From 4538d5ec07b84af401c3eb3d0d143d8b5aa079a5 Mon Sep 17 00:00:00 2001 From: Zhi Zhou Date: Mon, 27 Mar 2017 13:53:57 +0000 Subject: PD#141694 move audio related code out of libplayer move from libplayer version: ---38b6d1 commit 38b6d1442acf10b7e302128ba7793cb5dcdbd18d depends version: --0d580fc65b020fc9723e235249635ef22acf44f3 Change-Id: I2deeefb3415409d591eec471bc02820a6bf70661 Signed-off-by: Zhi Zhou --- diff --git a/Android.mk b/Android.mk new file mode 100644 index 0000000..5053e7d --- a/dev/null +++ b/Android.mk @@ -0,0 +1 @@ +include $(call all-subdir-makefiles) diff --git a/amadec/Android.mk b/amadec/Android.mk new file mode 100755 index 0000000..51fcaa8 --- a/dev/null +++ b/amadec/Android.mk @@ -0,0 +1,282 @@ +LOCAL_PATH:= $(call my-dir) +include $(TOP)/hardware/amlogic/media/media_base_config.mk +AMAVUTILS_INCLUDE=$(AMAVUTILS_PATH)/include/ +ifeq ($(BUILD_WITH_BOOT_PLAYER),true) +include $(CLEAR_VARS) + +LOCAL_CFLAGS := \ + -fPIC -D_POSIX_SOURCE + + + +ifneq (0, $(shell expr $(PLATFORM_VERSION) \>= 5.0)) +ALSA_LIB_DIR=vendor/amlogic/external/alsa-lib/ +else +ALSA_LIB_DIR=external/alsa-lib/ +endif +LOCAL_C_INCLUDES:= \ + $(LOCAL_PATH)/include \ + $(AMAVUTILS_INCLUDE) \ + $(TOP)/$(ALSA_LIB_DIR)/include + + +ifneq (0, $(shell expr $(PLATFORM_VERSION) \> 4.1.0)) + LOCAL_CFLAGS += -D_VERSION_JB +else + ifneq (0, $(shell expr $(PLATFORM_VERSION) \> 4.0.0)) + LOCAL_CFLAGS += -D_VERSION_ICS + endif +endif + +LOCAL_CFLAGS += -DALSA_OUT +#ifdef DOLBY_UDC +LOCAL_CFLAGS+=-DDOLBY_USE_ARMDEC +#endif +LOCAL_SHARED_LIBRARIES += libasound + +LOCAL_SRC_FILES := \ + adec-external-ctrl.c adec-internal-mgt.c adec-ffmpeg-mgt.c adec-message.c adec-pts-mgt.c feeder.c adec_write.c adec_read.c\ + dsp/audiodsp-ctl.c audio_out/alsa-out.c audio_out/aml_resample.c audiodsp_update_format.c spdif_api.c pcmenc_api.c \ + dts_transenc_api.c dts_enc.c adec_omx_brige.c adec-wfd.c + +LOCAL_MODULE := libamadec_alsa + +LOCAL_ARM_MODE := arm + +include $(BUILD_STATIC_LIBRARY) + +endif + +include $(CLEAR_VARS) + +LOCAL_CFLAGS := \ + -fPIC -D_POSIX_SOURCE +#ifdef DOLBY_UDC + LOCAL_CFLAGS+=-DDOLBY_USE_ARMDEC +#endif + +ifdef DOLBY_DS1_UDC + LOCAL_CFLAGS += -DDOLBY_DS1_UDC +endif + +LOCAL_C_INCLUDES:= \ + $(LOCAL_PATH)/include \ + $(AMAVUTILS_INCLUDE) + +# PLATFORM_SDK_VERSION: +# 4.4 = 19 +# 4.3 = 18 +# 4.2 = 17 +LOCAL_CFLAGS += -DANDROID_PLATFORM_SDK_VERSION=$(PLATFORM_SDK_VERSION) + +ifneq (0, $(shell expr $(PLATFORM_VERSION) \>= 4.3)) + LOCAL_CFLAGS += -DANDROID_VERSION_JBMR2_UP=1 + ifneq ($(TARGET_BOARD_PLATFORM),meson6) + LOCAL_CFLAGS += -DUSE_ARM_AUDIO_DEC + endif +endif + +ifneq (0, $(shell expr $(PLATFORM_VERSION) \> 4.1.0)) + LOCAL_CFLAGS += -D_VERSION_JB +else + ifneq (0, $(shell expr $(PLATFORM_VERSION) \> 4.0.0)) + LOCAL_CFLAGS += -D_VERSION_ICS + endif +endif + +LOCAL_SRC_FILES := \ + adec-external-ctrl.c adec-internal-mgt.c adec-ffmpeg-mgt.c adec-message.c adec-pts-mgt.c feeder.c adec_write.c adec_read.c\ + dsp/audiodsp-ctl.c audio_out/android-out.cpp audio_out/aml_resample.c audiodsp_update_format.c spdif_api.c pcmenc_api.c \ + dts_transenc_api.c dts_enc.c adec_omx_brige.c adec-wfd.c + +LOCAL_MODULE := libamadec + +LOCAL_ARM_MODE := arm + + +include $(BUILD_STATIC_LIBRARY) + + +include $(CLEAR_VARS) + +LOCAL_CFLAGS := \ + -fPIC -D_POSIX_SOURCE +#ifdef DOLBY_UDC + LOCAL_CFLAGS+=-DDOLBY_USE_ARMDEC +#endif + + + +LOCAL_C_INCLUDES:= \ + $(LOCAL_PATH)/include \ + $(AMAVUTILS_INCLUDE) + + +LOCAL_CFLAGS += -DANDROID_PLATFORM_SDK_VERSION=$(PLATFORM_SDK_VERSION) + +ifneq (0, $(shell expr $(PLATFORM_VERSION) \>= 4.3)) + LOCAL_CFLAGS += -DANDROID_VERSION_JBMR2_UP=1 +endif + +ifneq (0, $(shell expr $(PLATFORM_VERSION) \> 4.1.0)) + LOCAL_CFLAGS += -D_VERSION_JB +else + ifneq (0, $(shell expr $(PLATFORM_VERSION) \> 4.0.0)) + LOCAL_CFLAGS += -D_VERSION_ICS + endif +endif + +LOCAL_SRC_FILES := \ + adec-external-ctrl.c adec-internal-mgt.c adec-ffmpeg-mgt.c adec-message.c adec-pts-mgt.c feeder.c adec_write.c adec_read.c\ + dsp/audiodsp-ctl.c audio_out/android-out.cpp audio_out/aml_resample.c audiodsp_update_format.c \ + spdif_api.c pcmenc_api.c dts_transenc_api.c dts_enc.c adec_omx_brige.c adec-wfd.c + +LOCAL_MODULE := libamadec + +LOCAL_ARM_MODE := arm +################################################## +#$(shell cp $(LOCAL_PATH)/acodec_lib/*.so $(TARGET_OUT)/lib) +################################################### +LOCAL_SHARED_LIBRARIES += libutils libmedia libz libbinder libdl libcutils libc libamadec_omx_api libamavutils + +LOCAL_PRELINK_MODULE := false +LOCAL_MODULE_TAGS := optional +include $(BUILD_SHARED_LIBRARY) + + +###################module make file for libamadec_omx_api ###################################### +include $(CLEAR_VARS) + +LOCAL_CFLAGS := \ + -fPIC -D_POSIX_SOURCE -DDOLBY_DDPDEC51_MULTICHANNEL_ENDPOINT +LOCAL_CFLAGS += -DANDROID_PLATFORM_SDK_VERSION=$(PLATFORM_SDK_VERSION) +LOCAL_C_INCLUDES:= \ + $(LOCAL_PATH)/omx_audio/include \ + $(LOCAL_PATH)/omx_audio/../ \ + $(LOCAL_PATH)/omx_audio/../include \ + $(AMAVUTILS_INCLUDE) \ + frameworks/native/include/media/openmax \ + frameworks/av/include/media/stagefright \ + frameworks/native/include/utils + +LOCAL_SRC_FILES := \ + /omx_audio/adec_omx.cpp \ + /omx_audio/audio_mediasource.cpp \ + /omx_audio/DDP_mediasource.cpp \ + /omx_audio/ALAC_mediasource.cpp \ + /omx_audio/MP3_mediasource.cpp \ + /omx_audio/ASF_mediasource.cpp \ + /omx_audio/DTSHD_mediasource.cpp \ + /omx_audio/Vorbis_mediasource.cpp \ + /omx_audio/THD_mediasource.cpp + +LOCAL_MODULE := libamadec_omx_api +LOCAL_MODULE_TAGS := optional +LOCAL_ARM_MODE := arm + +LOCAL_SHARED_LIBRARIES += libutils libmedia libz libbinder libdl libcutils libc libstagefright \ + libstagefright_omx libstagefright_yuv liblog libamavutils libstagefright_foundation +LOCAL_PRELINK_MODULE := false +LOCAL_MODULE_TAGS := optional + +include $(BUILD_SHARED_LIBRARY) +######################################################### + + +###################module make wfd audioout api ###################################### +include $(CLEAR_VARS) + +LOCAL_CFLAGS := \ + -fPIC -D_POSIX_SOURCE -DDOLBY_DDPDEC51_MULTICHANNEL_ENDPOINT + +ifneq (0, $(shell expr $(PLATFORM_VERSION) \>= 4.3)) + LOCAL_CFLAGS += -DANDROID_VERSION_JBMR2_UP=1 +endif +ifneq (0, $(shell expr $(PLATFORM_VERSION) \> 4.1.0)) + LOCAL_CFLAGS += -D_VERSION_JB +else + ifneq (0, $(shell expr $(PLATFORM_VERSION) \> 4.0.0)) + LOCAL_CFLAGS += -D_VERSION_ICS + endif +endif +LOCAL_CFLAGS += -DANDROID_PLATFORM_SDK_VERSION=$(PLATFORM_SDK_VERSION) +LOCAL_C_INCLUDES:= \ + external/tinyalsa/include + +LOCAL_SRC_FILES := \ + adec-wfd-out.cpp + +LOCAL_MODULE := libamadec_wfd_out +LOCAL_MODULE_TAGS := optional +LOCAL_ARM_MODE := arm + +LOCAL_SHARED_LIBRARIES += libutils libtinyalsa liblog libmedia libcutils libc + +LOCAL_PRELINK_MODULE := false +LOCAL_MODULE_TAGS := optional + +include $(BUILD_SHARED_LIBRARY) +######################################################### + + +# +# audio_firmware module +# includes all audio firmware files, which are modules themselves. +# +ifeq (0, $(shell expr $(PLATFORM_VERSION) \>= 6.0)) +include $(CLEAR_VARS) + +ifeq ($(TARGET_BOARD_PLATFORM),meson6) + audio_firmware_dir := firmware-m6 +else ifeq ($(TARGET_BOARD_PLATFORM),meson8) + audio_firmware_dir := firmware-m8 +else + audio_firmware_dir := firmware +endif + +# generate md5 checksum files +$(shell cd $(LOCAL_PATH)/$(audio_firmware_dir) && { \ +for f in *.bin; do \ + md5sum "$$f" > "$$f".checksum; \ +done;}) + +# gather list of relative filenames +audio_firmware_files := $(wildcard $(LOCAL_PATH)/$(audio_firmware_dir)/*.bin) +audio_firmware_files += $(wildcard $(LOCAL_PATH)/$(audio_firmware_dir)/*.checksum) +audio_firmware_files := $(patsubst $(LOCAL_PATH)/%,%,$(audio_firmware_files)) + +# define function to create a module for each file +# $(1): filename +define _add-audio-firmware-module + include $$(CLEAR_VARS) + LOCAL_MODULE := audio-firmware_$(notdir $(1)) + LOCAL_MODULE_STEM := $(notdir $(1)) + _audio_firmware_modules += $$(LOCAL_MODULE) + LOCAL_SRC_FILES := $1 + LOCAL_MODULE_TAGS := optional + LOCAL_MODULE_CLASS := ETC + LOCAL_MODULE_PATH := $$(TARGET_OUT_ETC)/firmware + include $$(BUILD_PREBUILT) +endef + +# create modules, one for each file +_audio_firmware_modules := +_audio_firmware := +$(foreach _firmware, $(audio_firmware_files), \ + $(eval $(call _add-audio-firmware-module,$(_firmware)))) + +#LOCAL_PATH := $(call my-dir) + +include $(CLEAR_VARS) + +LOCAL_MODULE := audio_firmware +LOCAL_MODULE_CLASS := ETC +LOCAL_MODULE_TAGS := optional + +LOCAL_REQUIRED_MODULES := $(_audio_firmware_modules) + +include $(BUILD_PHONY_PACKAGE) + +_audio_firmware_modules := +_audio_firmware := +endif diff --git a/amadec/acodec_lib_50/libstagefright_soft_dcvdec.so b/amadec/acodec_lib_50/libstagefright_soft_dcvdec.so new file mode 100644 index 0000000..fdf1cfc --- a/dev/null +++ b/amadec/acodec_lib_50/libstagefright_soft_dcvdec.so @@ -0,0 +1,80 @@ +ELF + + + + + + + + + + + + + + + + +03/K +I@ciyDJ0PzD +J{DFX`0 F2 F6 F +J{DFX` F F + F +It F4FX_X +C pt=D @`T`ѽ? + EohBFhoB1F@` o` +J0JPg@`o`oohB+FFUFF +gJ 0ohBFF Fhdx BLFR` + o` +9F0F'@h,a/d +c +G "AFv)F*F@FvFPF+i +ji +DjaZ*acI cJyDzDXJ +hd"Mh! + n" +  O +  HxDpG;HxDpG9HxDpG6HxDpG4HxDpG1HxDpG/HxDpG,HxDpG*HxDpG'HxDpG%HxDpG"HxDpG HxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpG HxDpG HxDpGHxDpGHxDpGHxDpG + + + +/oo +@-@ +L + + + + + + + + + + + + + + +A  + "&Dlibstagefright_soft_dcvdec.so diff --git a/amadec/acodec_lib_android_n/libstagefright_soft_dtshd.so b/amadec/acodec_lib_android_n/libstagefright_soft_dtshd.so new file mode 100644 index 0000000..083cd3a --- a/dev/null +++ b/amadec/acodec_lib_android_n/libstagefright_soft_dtshd.so @@ -0,0 +1,272 @@ +ELF + + + + + + + + + + + + + + + +YI.Jb!L]1N2[0ٟqXAfo' ̪uͽD(7XMJ8vPO)G8_E>)ӡl"_ +i +/=cݦ@5?8=K 4 +`G? jQ + + + +03/K + Ff`(F(F됱 FHfxD +p IyD F F FIFJ + + + +t + +HxD +% a* xDIFG*E +h  p FN!` +`*&HG +xDE*  FaIF8H&gxD +a*aJAJ$A +4A* !QdP!l`lb!`K1bdhd +FP +dxpphh +p<HIJxDKyDzD{DJIyD F2 F4 F6IFJ + +` O&HxD +hhhI +~D + + +I@1JKyDzD {D +s +~DohEB0((F((3bK$ + +A + + + + +FB +`$% + @BOaD#8. +!p!`p( +p Fp'IF*F8FEЪiFVF +P +@ +! +xxxCbN + +XF)Fn ` + F" + !@ !Oq +" +`pGF +`pGF +K + ! +C +C +DD@ +``( )  +" 8O` ` p`O@O +D +``!Fh0` p`phO(  +yOy,yy2?GbB"C1 p`dF + p`?GBCB!\ @18FiBa` p`B WB% dXL]FO +Fh9D`,` +F +l>`(F𽀵)O + 1 + + ! +@ + B@iFD + + !(F + -&)FhpC +@ + B@iFD + + !0F + + !BPI +AF +! +/ +@ +@  +! + +` + +` + +` +! F +FhD0`Fh@@ + + #BA +AF + !(F +(F! +QF +( B٠ i +H + + +@ + +D +Fh)D1` +FhA` ` +@ +( B٠ i +D + +HxD +F%FhBrB` +FIbxDIeIcIg +G +g,be|uuguguUuguugugu F(F(jHq +03B6u. +7/6.4#0! +4 +P + +9FPFPF +hAX +h+ uF(h48(`L)@>uF +DlEgYF/+Ѳ  +DlEbPEbPL=F)$Ѳ)LQ p%Os ` +Dl +DlEb + +EP:EP9F + +FE bO + +*I`X(I`X( +H,xD +FFFTI + p +@B +I +K"yD +F +I +K"yD +I +K@iyD +ے +I +I +D<  +8F08F !0 +!0Oq +& +8 +IBO +AX + +'F + +X   +)_(4DP + +E +(m=Fok + +\E(   E6$0B/F%3O +8F!, +0F!"\ +j + +B 0F +   +) 鲪("4D:F + +o + +PFaf'cp +!ZOq +3 +`pG + + J I KzDyD +JO zD +( D<00 +ڪ +BȿFIJIBzD9 )320F/`(h@I0yD(`pCP,6? + )$܀)6А)OР)@ +"1O@ + +6 +A + + + + +xD +!F +(FoBF +HxD + GpGF + h)F2Fi FG? +Nreu h +- - е?D + +pJ +OT + FoG  +A +p + bh^h +B& +xD + dxDpGp($ +HxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpG}HxDpG{HxDpGxHxDpGvHxDpGsHxDpGqHxDpGnHxDpGlHxDpGiHxDpGgHxDpGdHxDpGbHxDpG_HxDpG]HxDpGZHxDpGXHxDpGUHxDpGSHxDpGPHxDpGMHxDpGJHxDpGHHxDpGEHxDpGCHxDpG@HxDpG>HxDpG;HxDpG9HxDpG6HxDpG4HxDpG1HxDpG/HxDpG,HxDpG*HxDpG'HxDpG%HxDpG"HxDpG HxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpG HxDpG HxDpGHxDpGHxDpGHxDpG +?o/o C02 +@-@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +A  + "&Dlibstagefright_soft_dtshd.so diff --git a/amadec/acodec_lib_android_n/libstagefright_soft_truehddec.so b/amadec/acodec_lib_android_n/libstagefright_soft_truehddec.so new file mode 100644 index 0000000..871f18f --- a/dev/null +++ b/amadec/acodec_lib_android_n/libstagefright_soft_truehddec.so @@ -0,0 +1,87 @@ +ELF + + + + + + + + + + + +jQ+N{F{p I)G59~ kd3HE;a":(/כyVygXyzgҍ15e/b6gų~LcmV5?8x,T{8(PK& ̪qXٟ=~|I){OD>~hrM8CE+-T`3wGQPAʳ~x,Q~u + +03/K +p IyD F F FIFJ +) +` `G +D*bh)F  p @Ft!` +`*HG +xDD* @F a)F\HxD + +! 1,Yqm`@mb I JyDzD0 +ushu!#yD + +@q7hBA +q @hh +pHIJxDKyDzD{DIyD F F FIFJ + +# +#Z(F!F:F#T7>(N +BBLۤ/?/ /?o BBѴ?7  +F3 +FˆFsrBAAB!JzDO> + + + + )$܀)6А)OР)@ +"1O@ + +6 +A + + + + +xD +!F +(FoBF +HxD + GpGF + h)F2Fi FG? +Nreu h +- - е?D + +pJ +OT + FoG  +p + bh^h +B& +xD + dxDpGp($ +HxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpG}HxDpG{HxDpGxHxDpGvHxDpGsHxDpGqHxDpGnHxDpGlHxDpGiHxDpGgHxDpGdHxDpGbHxDpG_HxDpG]HxDpGZHxDpGXHxDpGUHxDpGSHxDpGPHxDpGMHxDpGJHxDpGHHxDpGEHxDpGCHxDpG@HxDpG>HxDpG;HxDpG9HxDpG6HxDpG4HxDpG1HxDpG/HxDpG,HxDpG*HxDpG'HxDpG%HxDpG"HxDpG HxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpGHxDpG HxDpG HxDpGHxDpGHxDpGHxDpGB + +?o/o C02 +@-@ +8t + + + + + + + + + + + + + + + +A  + "&Dlibstagefright_soft_truehddec.so + + diff --git a/amadec/acodec_lib_mx/libstagefright_soft_ddpdec.so b/amadec/acodec_lib_mx/libstagefright_soft_ddpdec.so new file mode 100755 index 0000000..556f9ef --- a/dev/null +++ b/amadec/acodec_lib_mx/libstagefright_soft_ddpdec.so @@ -0,0 +1,113 @@ +ELF + + + + + + + + + + + + + + +6 +IyD"A +0@d\ \% +zD P 0 + +h +ZJڊBZʁڋ +ZJڌBZʂڍ‚ +ZJڎBZʃ@1ڏ@3ƒ@0:EP +2 +5 +Kt F + 5K DpDppprDrrr +t  +`` + J@J  rErrrpEppp +8F1FIF` +  rErrrpEppp +gH0hBгFhchB0F^F[` +HF X I +p   + rErrrpEppp +g0hBгFhchB0F^F[` +"F8Fl aFd + +#(FiF K%"{DO5  + 0* +* +iDD+6z+.D)hA "N +QA!FrBVE(VFVF +O O +B2 +EF + +*JDAyb*OAyb8z +@ *"+,3 +hhB@ ]00LJDLHDzDxD+ Fi#ih FB)i]u_B iU_OU +# +p PFB)0 +h_̿P +HF,h"#HF +< >DaQ Q~DKF[}Q|KQz[ +QtKQr[Qx Qv +d,K.[QdKQb[ ~Qh Qf +[ HJL!`bLkN{ k{@A K +[( *K[Fj "02 k"{DaK[ k{ +f@kB{\k^{ + f\k^{dTaK[HJaLajHJ l!LNۍ+;NAhjbP+R;+;FXkZ{D!K[H k"{<>DF۝T+V;na(*0K2[`b$&HA(*46dKf[ K[B +";,+.;N$&8:J!N,. +f{D0K2[ +dKf[h8: d4K6[@KB[HJj!DFlaTVB`+b;HAdfNA@BLNh jXZ\k^{` +";x z(*P RLa,.ˍ۝˝ +hHJN " jB+;$+&;J!@L NJ.^$&ˍ +۝4˝6F!PkR{ +;DXKZ[lA\^fhkj{0k2{jlnH!prLatˍv8:۝<>D+F;TVJxKz[`bdkf{˝۝N!<>DF "FTkV{@kB{DaKHKJ[LAA0 24K6[(+*;,.aHJ8k:{!aJNxz  +@B   +`b$ & +";k{L NP+R;XZ\K^[hkj{ln!pr<>dKf[tKv[$ &AD FT+V;xzk{쁶Aʁxz$&{k +{ak +{ k{D+F; a k{@kB{a$&4 6,.0+2;@kB{4 68k:{(*dTLKN[TV[,.j`b!0+2; +";PkR{dkf{a8k:{HkJ{xKz[a!aXZ(*8:¡A[K +[ȡA8:K +[K[k{AH JK[ K[\+^;@kB{DFfV!PkR{A "K[46$K&[ a@kB{0k2{`b,.< >A$K&[LKN[d+f;X+Z;46TVAaʡahj(*D F4 6!( * +, . + 8 :028 :4K6[ HJ   j@BXZ "ۍ<> K[ "HkJ{TˍVnDkF{ȁd˝f۶L+N;\+^; h jln +!졶j`bAPkR{K[$k&{(K*[aDFln K[ +\^,.$ &8K:[An^(+*;02d!4K6[,..^ XZA(X02DFd[AXKZ[K[46AġdHKJ[a$TA8:dK[A@BK[LKN[ơk{A*aPR¡$AD+F;\K^[*!CMJ "K +[̡HˍJ "T˝V COJ}~KO +$ &JO +IO*(+*;HO* O,.O02O + O +NO46OOꀛDOjXkZ{COjDOCODOꅜCO8:DOK[@ BH+J;COJDO +OJK[OOjDkF{OJO* +";OjO*DO*OʒDOB> D BmUBF_PNU7 +܊T \܋ԁ \$܌T(\,܍Ԃ0\4܎T8\<@1܏@3ԃ@2Eܔ$? +HP\d@Xx4` + + + + + + +[%s]BuildDate--%s BuildTime--%s + + + + + + + + + + + + + + + + + + + +A  + ",Dlibstagefright_soft_ddpdec.so diff --git a/amadec/acodec_lib_mx/libstagefright_soft_dtshd.so b/amadec/acodec_lib_mx/libstagefright_soft_dtshd.so new file mode 100755 index 0000000..67e1409 --- a/dev/null +++ b/amadec/acodec_lib_mx/libstagefright_soft_dtshd.so @@ -0,0 +1,121 @@ +ELF + + + + + + + +LB +I +I +JyDzDO + F1FP + h + d Fq1Ffii1aeO ++in jih +@ +E + + +  + +RCs#ji+iha +zhhJ=QF F)F 0a@##QF0h + F1F{hhBhB +hh-h6h+l%  + F F +P@@@  J!O +  +' + +I JyDzDF(Fz F F +p +N F~D ` +L J|DzD!FN J!F zDHJ !FzD@۸ +F$"@3BFp +hDF +K{Dh +hBIHxDh!sE@K{Dh"HxDhDM }D+hվIJyDzDIJyDzD"h%l `#hH`h:I JyDhzDز + +Z-G+*F8Fzh +h"YK{Dh#h VIWJyDlzDహ +h#h OIOJ[hyDzDMK{DhB`LIyD h#KHxDhII IJyDzDzHIyD hX`FI FJFyDzDl  B]h;`{` +"(`8F +I +J3FyDzDnO0#hB,< +hF`F + _!iPB(F) 'J 9FzD h# +LU +3Jk + +ri0hD#Q3aqa(@LBРMBРJBПIB0Fa0Fx?HBКLB@׃a0FG#q0i + +D + +D!1aTta +KB M LB MB$% +#* +zB dDA#TG2 +-@P@ +)ى + +;E!B1ara0iB +# *#*d0F0#s` + +B#BhBRB`OpC@B +! +!F FJ! F!F F!F F<! F /2S, +/F6 ! F 7Z?.є + +! F  + ! F\ 7XE@ + F!'0B# + + + +  + + +2I 2JCFyDO5zD(D"$I"I"F +>" +/"hѰR (FO0s# + +2t` + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +A  + ",Dlibstagefright_soft_dtshd.so + diff --git a/amadec/adec-armdec-mgt.h b/amadec/adec-armdec-mgt.h new file mode 100644 index 0000000..c7f78a9 --- a/dev/null +++ b/amadec/adec-armdec-mgt.h @@ -0,0 +1,57 @@ +#ifndef ADEC_ARMDEC_MGT_H +#define ADEC_ARMDEC_MGT_H + + +#include +#include +#include + +//#define AUDIO_ARC_DECODER 0 +//#define AUDIO_ARM_DECODER 1 +//#define AUDIO_FFMPEG_DECODER 2 + +#define DEFAULT_PCM_BUFFER_SIZE 192000*2//default out buffer size + +#define AUDIO_EXTRA_DATA_SIZE (4096) +typedef struct _audio_info { + int bitrate; + int samplerate; + int channels; + int file_profile; +} AudioInfo; + +/* audio decoder operation*/ +typedef struct audio_decoder_operations audio_decoder_operations_t; +struct audio_decoder_operations { + const char * name; + int nAudioDecoderType; + int nInBufSize; + int nOutBufSize; + int (*init)(audio_decoder_operations_t *); + int (*decode)(audio_decoder_operations_t *, char *outbuf, int *outlen, char *inbuf, int inlen); + int (*release)(audio_decoder_operations_t *); + int (*getinfo)(audio_decoder_operations_t *, AudioInfo *pAudioInfo); + void * priv_data;//point to audec + void * priv_dec_data;//decoder private data + void *pdecoder; // decoder instance + int channels; + unsigned long pts; + int samplerate; + int bps; + int extradata_size; ///< extra data size + char extradata[AUDIO_EXTRA_DATA_SIZE]; + int NchOriginal; + int lfepresent; +}; + +enum AVSampleFormat { + AV_SAMPLE_FMT_NONE = -1, + AV_SAMPLE_FMT_U8, ///< unsigned 8 bits + AV_SAMPLE_FMT_S16, ///< signed 16 bits + AV_SAMPLE_FMT_S32, ///< signed 32 bits + AV_SAMPLE_FMT_FLT, ///< float + AV_SAMPLE_FMT_DBL, ///< double + AV_SAMPLE_FMT_NB ///< Number of sample formats. DO NOT USE if linking dynamically +}; +#define AVCODEC_MAX_AUDIO_FRAME_SIZE 500*1024 +#endif diff --git a/amadec/adec-external-ctrl.c b/amadec/adec-external-ctrl.c new file mode 100644 index 0000000..021e6f8 --- a/dev/null +++ b/amadec/adec-external-ctrl.c @@ -0,0 +1,899 @@ +/** + * \file adec-external-ctrl.c + * \brief Audio Dec Lib Functions + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ + +#include +#include +#include +#include + +#include +#include + +#include +#include + + + +int audio_decode_basic_init(void) +{ +#ifndef ALSA_OUT + android_basic_init(); +#endif + amthreadpool_system_init(); + + return 0; +} + +/** + * \brief init audio dec + * \param handle pointer to player private data + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_init(void **handle, arm_audio_info *a_ainfo) +{ + int ret; + aml_audio_dec_t *audec; + + if (*handle) { + adec_print("Existing an audio dec instance!Need not to create it !"); + return -1; + } + + audec = (aml_audio_dec_t *)malloc(sizeof(aml_audio_dec_t)); + if (audec == NULL) { + adec_print("malloc failed! not enough memory !"); + return -1; + } + //set param for arm audio decoder + memset(audec, 0, sizeof(aml_audio_dec_t)); + audec->channels = a_ainfo->channels; + audec->samplerate = a_ainfo->sample_rate; + audec->format = a_ainfo->format; + audec->adsp_ops.dsp_file_fd = a_ainfo->handle; + audec->adsp_ops.amstream_fd = a_ainfo->handle; + audec->extradata_size = a_ainfo->extradata_size; + audec->SessionID = a_ainfo->SessionID; + audec->dspdec_not_supported = a_ainfo->dspdec_not_supported; + audec->droppcm_flag = 0; + audec->bitrate = a_ainfo->bitrate; + audec->block_align = a_ainfo->block_align; + audec->codec_id = a_ainfo->codec_id; + audec->auto_mute = a_ainfo->automute; + audec->has_video=a_ainfo->has_video; + if (a_ainfo->droppcm_flag) { + audec->droppcm_flag = a_ainfo->droppcm_flag; + a_ainfo->droppcm_flag = 0; + } + if (a_ainfo->extradata_size > 0 && a_ainfo->extradata_size <= AUDIO_EXTRA_DATA_SIZE) { + memcpy((char*)audec->extradata, (char*)a_ainfo->extradata, a_ainfo->extradata_size); + } + audec->adsp_ops.audec = audec; + // adec_print("audio_decode_init pcodec = %d, pcodec->ctxCodec = %d!\n", pcodec, pcodec->ctxCodec); + ret = audiodec_init(audec); + if (ret) { + adec_print("adec init failed!"); + return -1; + } + + *handle = (void *)audec; + + return 0; +} + +/** + * \brief start audio dec + * \param handle pointer to player private data + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_start(void *handle) +{ + int ret; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + cmd = adec_message_alloc(); + if (cmd) { + cmd->ctrl_cmd = CMD_START; + ret = adec_send_message(audec, cmd); + } else { + adec_print("message alloc failed, no memory!"); + ret = -1; + } + + return ret; +} + +/** + * \brief pause audio dec + * \param handle pointer to player private data + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_pause(void *handle) +{ + int ret; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + cmd = adec_message_alloc(); + if (cmd) { + cmd->ctrl_cmd = CMD_PAUSE; + ret = adec_send_message(audec, cmd); + } else { + adec_print("message alloc failed, no memory!"); + ret = -1; + } + + return ret; +} + +/** + * \brief resume audio dec + * \param handle pointer to player private data + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_resume(void *handle) +{ + int ret; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + cmd = adec_message_alloc(); + if (cmd) { + cmd->ctrl_cmd = CMD_RESUME; + ret = adec_send_message(audec, cmd); + } else { + adec_print("message alloc failed, no memory!"); + ret = -1; + } + + return ret; +} + +/** + * \brief stop audio dec + * \param handle pointer to player private data + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_stop(void *handle) +{ + int ret; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + audec->need_stop = 1; + + cmd = adec_message_alloc(); + if (cmd) { + cmd->ctrl_cmd = CMD_STOP; + ret = adec_send_message(audec, cmd); + amthreadpool_pool_thread_cancel(audec->thread_pid); + } else { + adec_print("message alloc failed, no memory!"); + ret = -1; + } + + return ret; +} + +/** + * \brief release audio dec + * \param handle pointer to player private data + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_release(void **handle) +{ + int ret; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *) * handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + cmd = adec_message_alloc(); + if (cmd) { + cmd->ctrl_cmd = CMD_RELEASE; + ret = adec_send_message(audec, cmd); + } else { + adec_print("message alloc failed, no memory!"); + ret = -1; + } + + ret = amthreadpool_pthread_join(audec->thread_pid, NULL); + + free(*handle); + *handle = NULL; + + return ret; + +} + +/** + * \brief set auto-mute state in audio decode + * \param handle pointer to player private data + * \param stat 1 = enable automute, 0 = disable automute + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_automute(void *handle, int stat) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + adec_print("[%s:%d]set automute %d!\n", __FUNCTION__, __LINE__, stat); + //audec->auto_mute = 1; + audec->auto_mute = stat; + return 0; +} + +/** + * \brief mute audio output + * \param handle pointer to player private data + * \param en 1 = mute output, 0 = unmute output + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_set_mute(void *handle, int en) +{ + int ret; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + cmd = adec_message_alloc(); + if (cmd) { + cmd->ctrl_cmd = CMD_MUTE; + cmd->value.en = en; + cmd->has_arg = 1; + ret = adec_send_message(audec, cmd); + } else { + adec_print("message alloc failed, no memory!"); + ret = -1; + } + + return ret; +} + +/** + * \brief set audio volume + * \param handle pointer to player private data + * \param vol volume value + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_set_volume(void *handle, float vol) +{ + int ret; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + cmd = adec_message_alloc(); + if (cmd) { + cmd->ctrl_cmd = CMD_SET_VOL; + cmd->value.volume = vol; + audec->volume = vol; + cmd->has_arg = 1; + ret = adec_send_message(audec, cmd); + } else { + adec_print("message alloc failed, no memory!"); + ret = -1; + } + + return ret; +} + +/** + * \brief set audio pre-gain + * \param handle pointer to player private data + * \param gain pre-gain value + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_set_pre_gain(void *handle, float gain) +{ + int ret = 0; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + if (!handle) { + adec_print("audio handle is NULL !\n"); + ret = -1; + } else { + audec->pre_gain_enable = 1; + //audec->pre_gain = powf(10.0f, gain/20); + adec_print("[%s] set pre-gain[%f] \n", __FUNCTION__, audec->pre_gain); + } + return ret; +} + +/** + * \brief set audio decode pre-mute + * \param handle pointer to player private data + * \param mute pre-mute value + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_set_pre_mute(void *handle, uint mute) +{ + int ret = 0; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + if (!handle) { + adec_print("audio handle is NULL !\n"); + ret = -1; + } else { + audec->pre_mute = mute; + adec_print("[%s] set pre-mute[%d] \n", __FUNCTION__, audec->pre_mute); + } + return ret; +} + +/** + * \brief set audio volume + * \param handle pointer to player private data + * \param vol volume value + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_set_lrvolume(void *handle, float lvol, float rvol) +{ + int ret; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + cmd = adec_message_alloc(); + if (cmd) { + cmd->ctrl_cmd = CMD_SET_LRVOL; + cmd->value.volume = lvol; + audec->volume = lvol; + cmd->has_arg = 1; + cmd->value_ext.volume = rvol; + audec->volume_ext = rvol; + ret = adec_send_message(audec, cmd); + } else { + adec_print("message alloc failed, no memory!"); + ret = -1; + } + + return ret; +} + +/** + * \brief set audio volume + * \param handle pointer to player private data + * \param vol volume value + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_get_volume(void *handle, float *vol) +{ + int ret = 0; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + *vol = audec->volume; + + return ret; +} + +/** + * \brief get audio pre-gain + * \param handle pointer to player private data + * \param gain pre-gain value + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_get_pre_gain(void *handle, float *gain) +{ + int ret = 0; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + //*gain = 20*log10f((float)audec->pre_gain); + + return ret; +} + +/** + * \brief get audio decode pre-mute + * \param handle pointer to player private data + * \param mute pre-mute value + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_get_pre_mute(void *handle, uint *mute) +{ + int ret = 0; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + *mute = audec->pre_mute; + + return ret; +} + +/** + * \brief set audio volume + * \param handle pointer to player private data + * \param lvol: left volume value,rvol:right volume value + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_decode_get_lrvolume(void *handle, float *lvol, float* rvol) +{ + int ret = 0; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + *lvol = audec->volume; + *rvol = audec->volume_ext; + + return ret; +} + +/** + * \brief swap audio left and right channels + * \param handle pointer to player private data + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_channels_swap(void *handle) +{ + int ret; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + cmd = adec_message_alloc(); + if (cmd) { + audec->soundtrack = HW_CHANNELS_SWAP; + cmd->ctrl_cmd = CMD_CHANL_SWAP; + ret = adec_send_message(audec, cmd); + } else { + adec_print("message alloc failed, no memory!"); + ret = -1; + } + + return ret; +} + +/** + * \brief output left channel + * \param handle pointer to player private data + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_channel_left_mono(void *handle) +{ + int ret; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + cmd = adec_message_alloc(); + if (cmd) { + audec->soundtrack = HW_LEFT_CHANNEL_MONO; + cmd->ctrl_cmd = CMD_LEFT_MONO; + ret = adec_send_message(audec, cmd); + } else { + adec_print("message alloc failed, no memory!"); + ret = -1; + } + + return ret; +} + +/** + * \brief output right channel + * \param handle pointer to player private data + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_channel_right_mono(void *handle) +{ + int ret; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + cmd = adec_message_alloc(); + if (cmd) { + audec->soundtrack = HW_RIGHT_CHANNEL_MONO; + cmd->ctrl_cmd = CMD_RIGHT_MONO; + ret = adec_send_message(audec, cmd); + } else { + adec_print("message alloc failed, no memory!"); + ret = -1; + } + + return ret; +} + +/** + * \brief output left and right channels + * \param handle pointer to player private data + * \return 0 on success otherwise -1 if an error occurred + */ +int audio_channel_stereo(void *handle) +{ + int ret; + adec_cmd_t *cmd; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + cmd = adec_message_alloc(); + if (cmd) { + audec->soundtrack = HW_STEREO_MODE; + cmd->ctrl_cmd = CMD_STEREO; + ret = adec_send_message(audec, cmd); + } else { + adec_print("message alloc failed, no memory!"); + ret = -1; + } + + return ret; +} + +int audio_channel_lrmix_flag_set(void *handle, int enable) +{ + int ret = 0; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + if (!handle) { + adec_print("audio handle is NULL !\n"); + ret = -1; + } else { + audec->mix_lr_channel_enable = enable; + adec_print("[%s] set audec->mix_lr_channel_enable/%d \n", __FUNCTION__, audec->mix_lr_channel_enable); + } + return ret; +} + +int audio_decpara_get(void *handle, int *pfs, int *pch ,int *lfepresent) +{ + int ret = 0; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + if (!handle) { + adec_print("audio handle is NULL !\n"); + ret = -1; + } else if (pfs != NULL && pch != NULL && lfepresent != NULL) { + if (audec->adec_ops != NULL) { //armdecoder case + *pch = audec->adec_ops->NchOriginal; + *lfepresent = audec->adec_ops->lfepresent; + } else { //DSP case + *pch = audec->channels; + } + *pfs = audec->samplerate; + } + return ret; +} +/** + * \brief check output mute or not + * \param handle pointer to player private data + * \return 1 = output is mute, 0 = output not mute + */ +int audio_output_muted(void *handle) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + return audec->muted; +} + +/** + * \brief check audiodec ready or not + * \param handle pointer to player private data + * \return 1 = audiodec is ready, 0 = audiodec not ready + */ +int audio_dec_ready(void *handle) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + if (audec->state > INITTED) { + return 1; + } else { + return 0; + } +} + +/** + * \brief get audio dsp decoded frame number + * \param handle pointer to player private data + * \return n = audiodec frame number, -1 = error + */ +int audio_get_decoded_nb_frames(void *handle) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + audec->decoded_nb_frames = audiodsp_get_decoded_nb_frames(&audec->adsp_ops); + //adec_print("audio_get_decoded_nb_frames: %d!", audec->decoded_nb_frames); + if (audec->decoded_nb_frames >= 0) { + return audec->decoded_nb_frames; + } else { + return -2; + } +} + +/** + * \brief set av sync threshold in ms. + * \param handle pointer to player private data + * \param threshold av sync time threshold in ms + */ +int audio_set_av_sync_threshold(void *handle, int threshold) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + if ((threshold > 500) || (threshold < 60)) { + adec_print("threshold %d id too small or too large.\n", threshold); + } + + audec->avsync_threshold = threshold * 90; + return 0; +} +int audio_get_soundtrack(void *handle, int* strack) +{ + int ret = 0; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + *strack = audec->soundtrack; + + return ret; +} + +int audio_get_pcm_level(void* handle) +{ + aml_audio_dec_t* audec = (aml_audio_dec_t*)handle; + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + + return audiodsp_get_pcm_level(&audec->adsp_ops); + +} + +int audio_set_skip_bytes(void* handle, unsigned int bytes) +{ + aml_audio_dec_t* audec = (aml_audio_dec_t*) handle; + if (!handle) { + adec_print("audio handle is NULL !!\n"); + return -1; + } + + return audiodsp_set_skip_bytes(&audec->adsp_ops, bytes); +} + +int audio_get_pts(void* handle) +{ + aml_audio_dec_t* audec = (aml_audio_dec_t*)handle; + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + return audiodsp_get_pts(&audec->adsp_ops); +} +/* + @get the audio decoder enabled status ,special for dts/dolby audio , + @note that :this should be called after audio_decode_start, + @because the status was got from decoder. + @default set a invalid value -1.so if got value -1,it means have not got the decoder status.try again. + @return 0:disable ; 1:enable ; + +*/ +int audio_decoder_get_enable_status(void* handle) +{ + aml_audio_dec_t* audec = (aml_audio_dec_t*)handle; + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + return audec->audio_decoder_enabled; +} + +/** + * \brief get audio decoder cached latency + * \param handle pointer to player private data + * \return n = audio decoder cached latency ms, -1 = error + */ +int audio_get_decoded_pcm_delay(void *handle) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + if (!audec) { + adec_print("audec null\n"); + return -1; + } + buffer_stream_t *g_bst = audec->g_bst; + if (!handle) { + adec_print("audio handle is NULL !\n"); + return -1; + } + if (!g_bst) { + return 0; + } else if (audec->samplerate && audec->channels) { + return g_bst->buf_level * 1000 / (audec->samplerate * audec->channels * 2); + } else { + return 0; + } +} +/** + * \brief check if the audio format supported by audio decoder + * \param handle pointer to player private data + * \return 0 = diable,1 = enable, -1 = error + */ +int audio_get_format_supported(int format) +{ + int enable = 1; + if (format == ACODEC_FMT_DRA) { + if (access("/system/lib/libdra.so",F_OK)) { + enable = 0; + } + } + else if (format < ACODEC_FMT_MPEG || format > ACODEC_FMT_WMAVOI) { + adec_print("unsupported format %d\n",format); + enable = 0; + } + return enable; +} +int audio_decoder_set_trackrate(void* handle, void *rate) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + audio_out_operations_t *aout_ops = NULL; + if (!audec) { + adec_print("audio handle is NULL !\n"); + return -1; + } + aout_ops = &audec->aout_ops; + if (aout_ops->set_track_rate) + return aout_ops->set_track_rate(audec,rate); + return 0; +} + +/** + * \brief set audio associate decode en/dis-able + * \param handle pointer to player private data + * \return 0 =success, -1 = error + */ +int audio_set_associate_enable(void* handle, unsigned int enable) +{ + int ret = 0; + //enable it after dual-decoder code merged to android N +#if 0 + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + if (!handle) { + adec_print("audio handle is NULL !\n"); + ret = -1; + } else { + audec->associate_audio_enable = enable; + adec_print("[%s]-[associate_audio_enable:%d]\n", __FUNCTION__, audec->associate_audio_enable); + } +#endif + return ret; +} + +/** + * \brief send the audio-associate data to destination buffer + * \param handle pointer to player private data + * \param buf pointer of the destination buffer address + * \param size which means that the length of request size + * \return [0, size], the length that have writen to destination buffer. + * \return -1, handle or other error + */ +int audio_send_associate_data(void* handle, uint8_t *buf, size_t size) +{ +#if 0 + int ret = 0; + aml_audio_dec_t *audec = (aml_audio_dec_t *)handle; + if (!handle) { + adec_print("audio handle is NULL !\n"); + ret = -1; + } else { + if ((audec->associate_dec_supported) && (audec->g_assoc_bst)) { + if (audec->associate_audio_enable == 1) { + ret = write_es_buffer(buf, audec->g_assoc_bst, size); + } + else { + adec_print("[%s]-[associate_audio_enable:%d]\n", __FUNCTION__, audec->associate_audio_enable); + ret = reset_buffer(audec->g_assoc_bst); + } + } + else { + adec_print("[%s]-[associate_dec_supported:%d]-[g_assoc_bst:%p]\n", + __FUNCTION__, audec->associate_dec_supported, audec->g_assoc_bst); + ret = -1; + } + } + + return ret; +#else + return size; +#endif +} diff --git a/amadec/adec-ffmpeg-mgt.c b/amadec/adec-ffmpeg-mgt.c new file mode 100644 index 0000000..2a84c45 --- a/dev/null +++ b/amadec/adec-ffmpeg-mgt.c @@ -0,0 +1,1550 @@ +#include +#include +#include +#include +#include +#include +#include + +#include "audiodsp_update_format.h" +#include "adec_omx_brige.h" +#include "adec_reg.h" +#include +#include +#include "Amsysfsutils.h" +#include "amconfigutils.h" + +#include +#include +#include + +extern int read_buffer(unsigned char *buffer, int size); +void *audio_decode_loop(void *args); +void *audio_dtsdecode_loop(void *args); +void *audio_getpackage_loop(void *args); +static int set_sysfs_int(const char *path, int val); +static void stop_decode_thread(aml_audio_dec_t *audec); + +/*audio decoder list structure*/ +typedef struct { + //enum CodecID codec_id; + int codec_id; + char name[64]; +} audio_lib_t; + +audio_lib_t audio_lib_list[] = { + {ACODEC_FMT_AAC, "libfaad.so"}, + {ACODEC_FMT_AAC_LATM, "libfaad.so"}, + {ACODEC_FMT_APE, "libape.so"}, + {ACODEC_FMT_MPEG, "libmad.so"}, + {ACODEC_FMT_MPEG2, "libmad.so"}, + {ACODEC_FMT_MPEG1, "libmad.so"}, + {ACODEC_FMT_FLAC, "libflac.so"}, + {ACODEC_FMT_COOK, "libcook.so"}, + {ACODEC_FMT_RAAC, "libraac.so"}, + {ACODEC_FMT_AMR, "libamr.so"}, + + {ACODEC_FMT_PCM_S16BE, "libpcm.so"}, + {ACODEC_FMT_PCM_S16LE, "libpcm.so"}, + {ACODEC_FMT_PCM_U8, "libpcm.so"}, + {ACODEC_FMT_PCM_BLURAY, "libpcm.so"}, + {ACODEC_FMT_WIFIDISPLAY, "libpcm.so"}, + {ACODEC_FMT_ALAW, "libpcm.so"}, + {ACODEC_FMT_MULAW, "libpcm.so"}, + {ACODEC_FMT_ADPCM, "libadpcm.so"}, + {ACODEC_FMT_DRA, "libdra.so"}, + 0 +} ; + +int find_audio_lib(aml_audio_dec_t *audec) +{ + int i; + int num; + audio_lib_t *f; + + adec_print("[%s %d]audec->format/%d audec->codec_id/0x%x\n", __FUNCTION__, __LINE__, audec->format, audec->codec_id); + num = ARRAY_SIZE(audio_lib_list); + audio_decoder_operations_t *adec_ops = audec->adec_ops; + //------------------------- + if (find_omx_lib(audec)) { + return 0; + } + //----------------------- + for (i = 0; i < num; i++) { + f = &audio_lib_list[i]; + if (f->codec_id == audec->format) { + void *fd = dlopen(audio_lib_list[i].name, RTLD_NOW); + if (fd != 0) { + adec_ops->init = dlsym(fd, "audio_dec_init"); + adec_ops->decode = dlsym(fd, "audio_dec_decode"); + adec_ops->release = dlsym(fd, "audio_dec_release"); + adec_ops->getinfo = dlsym(fd, "audio_dec_getinfo"); + } else { + adec_print("cant find decoder lib\n"); + return -1; + } + return 0; + } + } + return -1; +} + + +audio_decoder_operations_t AudioArmDecoder = { + "FFmpegDecoder", + AUDIO_ARM_DECODER, + 0, +}; +static int FFmpegDecoderInit(audio_decoder_operations_t *adec_ops) +{ + return 0; +} +static int FFmpegDecode(audio_decoder_operations_t *adec_ops, char *outbuf, int *outlen, char *inbuf, int inlen) +{ + int ret; + return ret; +} +static int FFmpegDecoderRelease(audio_decoder_operations_t *adec_ops) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)(adec_ops->priv_data); + return 0; +} +audio_decoder_operations_t AudioFFmpegDecoder = { + .name = "FFmpegDecoder", + .nAudioDecoderType = AUDIO_FFMPEG_DECODER, + .init = FFmpegDecoderInit, + .decode = FFmpegDecode, + .release = FFmpegDecoderRelease, + .getinfo = NULL, +}; + +int package_list_free(aml_audio_dec_t * audec) +{ + lp_lock(&(audec->pack_list.tslock)); + while (audec->pack_list.pack_num) { + struct package * p = audec->pack_list.first; + audec->pack_list.first = audec->pack_list.first->next; + free(p->data); + free(p); + audec->pack_list.pack_num--; + } + lp_unlock(&(audec->pack_list.tslock)); + return 0; +} +static int64_t gettime_ms(void) +{ + struct timeval tv; + gettimeofday(&tv, NULL); + return (int64_t)tv.tv_sec * 1000 + tv.tv_usec/1000; +} + + +int package_list_init(aml_audio_dec_t * audec) +{ + audec->pack_list.first = NULL; + audec->pack_list.pack_num = 0; + audec->pack_list.current = NULL; + lp_lock_init(&(audec->pack_list.tslock), NULL); + return 0; +} + +int package_add(aml_audio_dec_t * audec, char * data, int size) +{ + lp_lock(&(audec->pack_list.tslock)); + if (audec->pack_list.pack_num == 4) { //enough + lp_unlock(&(audec->pack_list.tslock)); + return -2; + } + struct package *p = malloc(sizeof(struct package)); + if (!p) { //malloc failed + lp_unlock(&(audec->pack_list.tslock)); + return -1; + } + p->data = data; + p->size = size; + if (audec->pack_list.pack_num == 0) { //first package + audec->pack_list.first = p; + audec->pack_list.current = p; + audec->pack_list.pack_num = 1; + } else { + audec->pack_list.current->next = p; + audec->pack_list.current = p; + audec->pack_list.pack_num++; + } + lp_unlock(&(audec->pack_list.tslock)); + return 0; +} + +struct package * package_get(aml_audio_dec_t * audec) { + lp_lock(&(audec->pack_list.tslock)); + if (audec->pack_list.pack_num == 0) { + lp_unlock(&(audec->pack_list.tslock)); + return NULL; + } + struct package *p = audec->pack_list.first; + if (audec->pack_list.pack_num == 1) { + audec->pack_list.first = NULL; + audec->pack_list.pack_num = 0; + audec->pack_list.current = NULL; + } else if (audec->pack_list.pack_num > 1) { + audec->pack_list.first = audec->pack_list.first->next; + audec->pack_list.pack_num--; + } + lp_unlock(&(audec->pack_list.tslock)); + return p; +} + + +int armdec_stream_read(dsp_operations_t *dsp_ops, char *buffer, int size) +{ + int read_size = 0; + aml_audio_dec_t *audec = (aml_audio_dec_t *)dsp_ops->audec; + read_size = read_pcm_buffer(buffer, audec->g_bst, size); + audec->out_len_after_last_valid_pts += read_size; + return read_size; +} + +int armdec_stream_read_raw(dsp_operations_t *dsp_ops, char *buffer, int size) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)dsp_ops->audec; + return read_pcm_buffer(buffer, audec->g_bst_raw, size); +} +unsigned long armdec_get_pts(dsp_operations_t *dsp_ops) +{ + unsigned long val, offset; + unsigned long pts; + int data_width, channels, samplerate; + unsigned long long frame_nums ; + unsigned long delay_pts; + char value[PROPERTY_VALUE_MAX]; + aml_audio_dec_t *audec = (aml_audio_dec_t *)dsp_ops->audec; + audio_out_operations_t * aout_ops = &audec->aout_ops; + float track_speed = 1.0f; + if (aout_ops->track_rate != 8.8f) + track_speed = aout_ops->track_rate; + switch (audec->g_bst->data_width) { + case AV_SAMPLE_FMT_U8: + data_width = 8; + break; + case AV_SAMPLE_FMT_S16: + data_width = 16; + break; + case AV_SAMPLE_FMT_S32: + data_width = 32; + break; + default: + data_width = 16; + } + + int pts_delta = 0; + if ( property_get("media.libplayer.pts_delta",value,NULL) > 0) + { + pts_delta = atoi(value); + } + + channels = audec->g_bst->channels; + samplerate = audec->g_bst->samplerate; + if (!channels || !samplerate) { + adec_print("warning ::::zero channels %d, sample rate %d \n", channels, samplerate); + if (!samplerate) { + samplerate = 48000; + } + if (!channels) { + channels = 2; + } + } + offset = audec->decode_offset; + if (dsp_ops->dsp_file_fd >= 0) { + if (audec->g_bst->format != ACODEC_FMT_COOK && audec->g_bst->format != ACODEC_FMT_RAAC) { + //when first look up apts,set offset 0 + if (!audec->first_apts_lookup_over) { + offset = 0; + } + ioctl(dsp_ops->dsp_file_fd, AMSTREAM_IOC_APTS_LOOKUP, &offset); + } + //for cook/raac should wait to get first apts from decoder + else { + int wait_count = 10; + while (offset == 0xffffffff && wait_count-- > 0) { + amthreadpool_thread_usleep(10000); + } + offset = audec->decode_offset; + if (offset == 0xffffffff) { + adec_print(" cook/raac get apts 100 ms timeout \n"); + } + + } + } else { + adec_print("====abuf have not open!\n", val); + } + + if (am_getconfig_bool("media.arm.audio.apts_add")) { + offset = 0; + } + pts = offset; + if (!audec->first_apts_lookup_over) { + audec->last_valid_pts = pts; + audec->first_apts_lookup_over = 1; + return pts; + } + + if (audec->use_get_out_posion && audec->aout_ops.get_out_position) { + /*add by zz*/ + int64_t postion, time_us; + struct timespec timenow; + int ret; + ret = audec->aout_ops.get_out_position(audec, &postion, &time_us); + if (!ret) { + int decodered_samples; + int cache_samples; + int delay_us, t_us; + decodered_samples = audec->decode_pcm_offset * 8 /(channels * data_width); + cache_samples = decodered_samples - postion; + if (cache_samples < 0) + cache_samples = 0; + delay_us = 1000 * (cache_samples * 1000 / samplerate); + clock_gettime(CLOCK_MONOTONIC, &timenow); + t_us = timenow.tv_sec * 1000000LL + timenow.tv_nsec/1000 - time_us; + if (t_us > 0) + delay_us -= t_us; + if (delay_us < 0) + delay_us = 0; + delay_pts = delay_us * 90/1000; + if (pts == 0) { + int outsamples = postion - audec->last_out_postion ; + /*delay_us out samples after last refresh pts*/ + delay_us = 1000 * (outsamples * 1000 / samplerate); + delay_us = delay_us * track_speed; + if (delay_us < 0) + delay_us = 0; + pts = audec->last_valid_pts + delay_us * 90 /1000; + audec->last_valid_pts = pts; + pts += 90000 / 1000 * pts_delta; + audec->last_out_postion = postion; + audec->last_get_postion_time_us = time_us; + return pts; + } + audec->last_out_postion = postion; + audec->last_get_postion_time_us = time_us; + } else { + delay_pts = 0;/*audio track not ready? used buf_level add for pts*/ + } + } else { + delay_pts = 0; + } + if (delay_pts == 0) + { + if (pts == 0) { + if (audec->last_valid_pts) { + pts = audec->last_valid_pts; + } + frame_nums = (audec->out_len_after_last_valid_pts * 8 / (data_width * channels)); + pts += (frame_nums * 90000 / samplerate); + pts += 90000 / 1000 * pts_delta; + if (pts < 0) + pts = 0; + //adec_print("decode_offset:%d out_pcm:%d pts:%d \n",decode_offset,out_len_after_last_valid_pts,pts); + return pts; + } + { + int len = audec->g_bst->buf_level + audec->pcm_cache_size; + frame_nums = (len * 8 / (data_width * channels)); + delay_pts = (frame_nums * 90000 / samplerate); + } + } + delay_pts = delay_pts * track_speed; + if (pts > delay_pts) { + pts -= delay_pts; + } else { + pts = 0; + } + val = pts; + audec->last_valid_pts = pts; + audec->out_len_after_last_valid_pts = 0; + //adec_print("====get pts:%ld offset:%ld frame_num:%lld delay:%ld \n",val,decode_offset,frame_nums,delay_pts); + + val += 90000 / 1000 * pts_delta; // for a/v sync test,some times audio ahead video +28ms.so add +15ms to apts to ..... + if (val < 0) + val = 0; + return val; +} + +unsigned long armdec_get_pcrscr(dsp_operations_t *dsp_ops) +{ + unsigned int val; + if (dsp_ops->dsp_file_fd < 0) { + adec_print("read error!! audiodsp have not opened\n"); + return -1; + } + ioctl(dsp_ops->dsp_file_fd, AMSTREAM_IOC_PCRSCR, &val); + return val; +} +unsigned long armdec_set_pts(dsp_operations_t *dsp_ops, unsigned long apts) +{ + if (dsp_ops->dsp_file_fd < 0) { + adec_print("armdec_set_apts err!\n"); + return -1; + } + ioctl(dsp_ops->dsp_file_fd, AMSTREAM_IOC_SET_APTS, &apts); + return 0; +} +int armdec_set_skip_bytes(dsp_operations_t* dsp_ops, unsigned int bytes) +{ + return 0; +} +static int set_sysfs_int(const char *path, int val) +{ + return amsysfs_set_sysfs_int(path, val); +} +int get_decoder_status(void *p, struct adec_status *adec) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)p; + if (audec && audec->g_bst) { + adec->channels = audec->g_bst->channels; + adec->sample_rate = audec->g_bst->samplerate; + adec->resolution = audec->g_bst->data_width; + adec->error_count = audec->nDecodeErrCount; //need count + adec->status = (audec->state > INITTED) ? 1 : 0; + return 0; + } else { + return -1; + } +} + +/** + * \brief register audio decoder + * \param audec pointer to audec ,codec_type + * \return 0 on success otherwise -1 if an error occurred + */ +int RegisterDecode(aml_audio_dec_t *audec, int type) +{ + switch (type) { + case AUDIO_ARM_DECODER: + memset(&AudioArmDecoder, 0, sizeof(audio_decoder_operations_t)); + audec->adec_ops = &AudioArmDecoder; + find_audio_lib(audec); + audec->adec_ops->priv_data = audec; + break; + case AUDIO_FFMPEG_DECODER: + audec->adec_ops = &AudioFFmpegDecoder; + audec->adec_ops->priv_data = audec; + break; + default: + audec->adec_ops = &AudioFFmpegDecoder; + audec->adec_ops->priv_data = audec; + break; + } + return 0; +} + +static int InBufferInit(aml_audio_dec_t *audec) +{ + int ret = uio_init(audec); + if (ret < 0) { + adec_print("uio init error! \n"); + return -1; + } + return 0; +} +static int InBufferRelease(aml_audio_dec_t *audec) +{ + // close(audec->fd_uio); + // audec->fd_uio=-1; + uio_deinit(audec); + return 0; +} + + +static int OutBufferInit(aml_audio_dec_t *audec) +{ + audec->g_bst = malloc(sizeof(buffer_stream_t)); + if (!audec->g_bst) { + adec_print("[%s %d]g_bst malloc failed! \n", __FUNCTION__, __LINE__); + audec->g_bst = NULL; + return -1; + } else { + adec_print("[%s %d] audec->g_bst/%p", __FUNCTION__, __LINE__, audec->g_bst); + } + + memset(audec->g_bst, 0, sizeof(buffer_stream_t)); + + if (audec->adec_ops->nOutBufSize <= 0) { //set default if not set + audec->adec_ops->nOutBufSize = DEFAULT_PCM_BUFFER_SIZE; + } + + int ret = init_buff(audec->g_bst, audec->adec_ops->nOutBufSize); + if (ret == -1) { + adec_print("[%s %d]pcm buffer init failed !\n", __FUNCTION__, __LINE__); + return -1; + } + adec_print("[%s %d]pcm buffer init ok buf_size:%d\n", __FUNCTION__, __LINE__, audec->g_bst->buf_length); + + audec->g_bst->data_width = audec->data_width = AV_SAMPLE_FMT_S16; + + if (audec->channels > 0) { + audec->g_bst->channels = audec->channels; + } + if (audec->samplerate > 0) { + audec->g_bst->samplerate = audec->samplerate; + } + audec->g_bst->format = audec->format; + + return 0; +} +static int OutBufferInit_raw(aml_audio_dec_t *audec) +{ + audec->g_bst_raw = malloc(sizeof(buffer_stream_t)); + if (!audec->g_bst_raw) { + adec_print("[%s %d]g_bst_raw malloc failed!\n", __FUNCTION__, __LINE__); + audec->g_bst_raw = NULL; + return -1; + } else { + adec_print("[%s %d] audec->audec->g_bst_raw/%p", __FUNCTION__, __LINE__, audec->g_bst_raw); + } + + if (audec->adec_ops->nOutBufSize <= 0) { //set default if not set + audec->adec_ops->nOutBufSize = DEFAULT_PCM_BUFFER_SIZE; + } + if ((audec->format == ACODEC_FMT_DTS || audec->format == ACODEC_FMT_TRUEHD) && amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw") == 2) { + audec->adec_ops->nOutBufSize *= 2; + } + int ret = init_buff(audec->g_bst_raw, audec->adec_ops->nOutBufSize); + if (ret == -1) { + adec_print("[%s %d]raw_buf init failed !\n", __FUNCTION__, __LINE__); + return -1; + } + adec_print("[%s %d]raw buffer init ok buf_size/%d\n", __FUNCTION__, __LINE__, audec->g_bst_raw->buf_length); + + audec->g_bst_raw->data_width = audec->data_width = AV_SAMPLE_FMT_S16; + if (audec->channels > 0) { + audec->g_bst_raw->channels = audec->channels; + } else { + audec->g_bst_raw->channels = audec->channels = 2; + } + + if (audec->samplerate > 0) { + audec->g_bst_raw->samplerate = audec->samplerate; + } else { + audec->g_bst_raw->samplerate = audec->samplerate = 48000; + } + + return 0; +} +static int OutBufferRelease(aml_audio_dec_t *audec) +{ + if (audec->g_bst) { + adec_print("[%s %d] audec->g_bst/%p", __FUNCTION__, __LINE__, audec->g_bst); + release_buffer(audec->g_bst); + audec->g_bst = NULL; + } + return 0; +} + +static int OutBufferRelease_raw(aml_audio_dec_t *audec) +{ + if (audec->g_bst_raw) { + adec_print("[%s %d] audec->g_bst_raw/%p", __FUNCTION__, __LINE__, audec->g_bst_raw); + release_buffer(audec->g_bst_raw); + audec->g_bst_raw = NULL; + } + return 0; +} + +static int enable_raw_output(aml_audio_dec_t *audec) +{ + int enable = 0; + enable = amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw"); + if (enable) { + if (audec->format == ACODEC_FMT_AC3 || audec->format == ACODEC_FMT_EAC3 || audec->format == ACODEC_FMT_DTS || + audec->format == ACODEC_FMT_TRUEHD) { + return 1; + } + } + return 0; +} +static int audio_codec_init(aml_audio_dec_t *audec) +{ + //reset static&global + audec->exit_decode_thread = 0; + audec->exit_decode_thread_success = 0; + audec->decode_offset = 0; + audec->decode_pcm_offset = 0; + audec->nDecodeErrCount = 0; + audec->g_bst = NULL; + audec->g_bst_raw = NULL; + audec->fd_uio = -1; + audec->last_valid_pts = 0; + audec->out_len_after_last_valid_pts = 0; + audec->pcm_cache_size = 0; + audec->sn_threadid = -1; + audec->sn_getpackage_threadid = -1; + audec->OmxFirstFrameDecoded = 0; + audec->use_get_out_posion = am_getconfig_bool_def("media.audio.pts.use_get_posion", 0); + package_list_init(audec); + while (0 != set_sysfs_int(DECODE_ERR_PATH, DECODE_NONE_ERR)) { + adec_print("[%s %d]set codec fatal failed ! \n", __FUNCTION__, __LINE__); + amthreadpool_thread_usleep(100000); + } + + adec_print("[%s %d]param:data_width:%d samplerate:%d channel:%d \n", + __FUNCTION__, __LINE__, audec->data_width, audec->samplerate, audec->channels); + + audec->data_width = AV_SAMPLE_FMT_S16; + if (audec->channels > 0) { + int NumChSave = audec->channels; + audec->channels = (audec->channels > 2 ? 2 : audec->channels); + audec->adec_ops->channels = audec->channels; + if (audec->format == ACODEC_FMT_PCM_S16BE || audec->format == ACODEC_FMT_PCM_S16LE || + audec->format == ACODEC_FMT_PCM_U8 || audec->format == ACODEC_FMT_PCM_BLURAY || + audec->format == ACODEC_FMT_WIFIDISPLAY || audec->format == ACODEC_FMT_ALAW || + audec->format == ACODEC_FMT_MULAW || audec->format == ACODEC_FMT_ADPCM) { + audec->adec_ops->channels = NumChSave; + } + } + //for raac/cook audio pts are updated from audio decoder,so set a invalid pts default. + else if (audec->format == ACODEC_FMT_RAAC || audec->format == ACODEC_FMT_COOK) { + audec->decode_offset = 0xffffffff; + } + if (audec->samplerate > 0) { + audec->adec_ops->samplerate = audec->samplerate; + } else { + // audec->adec_ops->samplerate=audec->samplerate=48000; + } + switch (audec->data_width) { + case AV_SAMPLE_FMT_U8: + audec->adec_ops->bps = 8; + break; + case AV_SAMPLE_FMT_S16: + audec->adec_ops->bps = 16; + break; + case AV_SAMPLE_FMT_S32: + audec->adec_ops->bps = 32; + break; + default: + audec->adec_ops->bps = 16; + } + adec_print("[%s %d]param_applied: bps:%d samplerate:%d channel:%d \n", + __FUNCTION__, __LINE__, audec->adec_ops->bps, audec->adec_ops->samplerate, audec->adec_ops->channels); + + audec->adec_ops->extradata_size = audec->extradata_size; + if (audec->extradata_size > 0) { + memcpy(audec->adec_ops->extradata, audec->extradata, audec->extradata_size); + } + + int ret = 0; + if (!audec->StageFrightCodecEnableType) { //1-decoder init + ret = audec->adec_ops->init(audec->adec_ops); + } + if (ret == -1) { + adec_print("[%s %d]adec_ops init err\n", __FUNCTION__, __LINE__); + goto err1; + } + + ret = OutBufferInit(audec); //2-pcm_buffer init + if (ret == -1) { + adec_print("[%s %d]out buffer init err\n", __FUNCTION__, __LINE__); + goto err2; + } + if (enable_raw_output(audec)) { + ret = OutBufferInit_raw(audec); + if (ret == -1) { + adec_print("[%s %d]out_raw buffer init err\n", __FUNCTION__, __LINE__); + OutBufferRelease_raw(audec); + goto err2; + } + } + ret = InBufferInit(audec); //3-init uio + if (ret == -1) { + adec_print("====in buffer init err \n"); + goto err3; + } + + //4-other init + audec->adsp_ops.dsp_on = 1; + audec->adsp_ops.dsp_read = armdec_stream_read; + audec->adsp_ops.get_cur_pts = armdec_get_pts; + audec->adsp_ops.get_cur_pcrscr = armdec_get_pcrscr; + audec->adsp_ops.set_cur_apts = armdec_set_pts; + audec->adsp_ops.set_skip_bytes = armdec_set_skip_bytes; + audec->adsp_ops.dsp_read_raw = armdec_stream_read_raw; + audec->pcm_bytes_readed = 0; + audec->raw_bytes_readed = 0; + audec->raw_frame_size = 0; + audec->pcm_frame_size = 0; + audec->i2s_iec958_sync_flag = 1; + audec->i2s_iec958_sync_gate = 0; + audec->codec_type = 0; + return 0; + +err1: + audec->adec_ops->release(audec->adec_ops); + return -1; +err2: + audec->adec_ops->release(audec->adec_ops); + OutBufferRelease(audec); + return -1; +err3: + audec->adec_ops->release(audec->adec_ops); + OutBufferRelease(audec); + InBufferRelease(audec); + OutBufferRelease_raw(audec); + return -1; +} +int audio_codec_release(aml_audio_dec_t *audec) +{ + //1-decode thread quit + if (!audec->StageFrightCodecEnableType) { + stop_decode_thread(audec);//1-decode thread quit + audec->adec_ops->release(audec->adec_ops);//2-decoder release + } else { + stop_decode_thread_omx(audec); + } + + InBufferRelease(audec);//3-uio uninit + OutBufferRelease(audec);//4-outbufferrelease + OutBufferRelease_raw(audec); + audec->adsp_ops.dsp_on = -1;//5-other release + audec->adsp_ops.dsp_read = NULL; + audec->adsp_ops.get_cur_pts = NULL; + audec->adsp_ops.dsp_file_fd = -1; + + return 0; +} + + +static int audio_hardware_ctrl(hw_command_t cmd) +{ + int fd; + fd = open(AUDIO_CTRL_DEVICE, O_RDONLY); + if (fd < 0) { + adec_print("Open Device %s Failed!", AUDIO_CTRL_DEVICE); + return -1; + } + + switch (cmd) { + case HW_CHANNELS_SWAP: + ioctl(fd, AMAUDIO_IOC_SET_CHANNEL_SWAP, 0); + break; + + case HW_LEFT_CHANNEL_MONO: + ioctl(fd, AMAUDIO_IOC_SET_LEFT_MONO, 0); + break; + + case HW_RIGHT_CHANNEL_MONO: + ioctl(fd, AMAUDIO_IOC_SET_RIGHT_MONO, 0); + break; + + case HW_STEREO_MODE: + ioctl(fd, AMAUDIO_IOC_SET_STEREO, 0); + break; + + default: + adec_print("Unknow Command %d!", cmd); + break; + + }; + + close(fd); + return 0; +} + +static int get_first_apts_flag(dsp_operations_t *dsp_ops) +{ + int val; + if (dsp_ops->dsp_file_fd < 0) { + adec_print("[%s %d]read error!! audiodsp have not opened\n", __FUNCTION__, __LINE__); + return -1; + } + ioctl(dsp_ops->dsp_file_fd, GET_FIRST_APTS_FLAG, &val); + return val; +} + + +/** + * \brief start audio dec when receive START command. + * \param audec pointer to audec + */ +static int start_adec(aml_audio_dec_t *audec) +{ + int ret; + audio_out_operations_t *aout_ops = &audec->aout_ops; + dsp_operations_t *dsp_ops = &audec->adsp_ops; + unsigned long vpts, apts; + int times = 0; + char buf[32]; + apts = vpts = 0; + audec->no_first_apts = 0; + audec->apts_start_flag = 0; + audec->first_apts = 0; + + char value[PROPERTY_VALUE_MAX] = {0}; + int wait_count = 100; + if (property_get("media.amadec.wait_count", value, NULL) > 0) { + wait_count = atoi(value); + } + adec_print("wait first apts count :%d \n", wait_count); + + if (audec->state == INITTED) { + //get info from the audiodsp == can get from amstreamer + while ((!get_first_apts_flag(dsp_ops)) && (!audec->need_stop) && (!audec->no_first_apts)) { + adec_print("wait first pts checkin complete !"); + if (amthreadpool_on_requare_exit(pthread_self())) { + adec_print("[%s:%d] quick interrupt \n", __FUNCTION__, __LINE__); + break; + } + times++; + if (times >= wait_count) { + amsysfs_get_sysfs_str(TSYNC_VPTS, buf, sizeof(buf));// read vpts + if (sscanf(buf, "0x%lx", &vpts) < 1) { + adec_print("unable to get vpts from: %s", buf); + return -1; + } + // save vpts to apts + if (vpts == 0) { // vpts invalid too + times = 0; // loop again + continue; + } + adec_print("## can't get first apts, save vpts to apts,vpts=%lx, \n", vpts); + sprintf(buf, "0x%lx", vpts); + amsysfs_set_sysfs_str(TSYNC_APTS, buf); + audec->no_first_apts = 1; + } + amthreadpool_thread_usleep(100000); + } + adec_print("get first apts ok, times:%d need_stop:%d auto_mute %d\n", times, audec->need_stop, audec->auto_mute); + if (audec->need_stop) { + return 0; + } + + /*start the the pts scr,...*/ + ret = adec_pts_start(audec); + if (audec->auto_mute) { + avsync_en(0); + adec_pts_pause(); + while ((!audec->need_stop) && track_switch_pts(audec)) { + amthreadpool_thread_usleep(1000); + } + avsync_en(1); + adec_pts_resume(); + audec->auto_mute = 0; + } + if (audec->tsync_mode == TSYNC_MODE_PCRMASTER) { + adec_print("[wcs-%s]-before audio track start,sleep 200ms\n",__FUNCTION__); + amthreadpool_thread_usleep(200 * 1000); //200ms + } + aout_ops->start(audec); + audec->state = ACTIVE; + } else { + adec_print("amadec status invalid, start adec failed \n"); + return -1; + } + + return 0; +} + +/** + * \brief pause audio dec when receive PAUSE command. + * \param audec pointer to audec + */ +static void pause_adec(aml_audio_dec_t *audec) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + if (audec->state == ACTIVE) { + audec->state = PAUSED; + adec_pts_pause(); + aout_ops->pause(audec); + } +} + +/** + * \brief resume audio dec when receive RESUME command. + * \param audec pointer to audec + */ +static void resume_adec(aml_audio_dec_t *audec) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + if (audec->state == PAUSED) { + audec->state = ACTIVE; + audec->refresh_pts_readytime_ms = gettime_ms() + + am_getconfig_int_def("media.amadec.wait_fresh_ms", 200); + aout_ops->resume(audec); + adec_pts_resume(); + } +} + +/** + * \brief stop audio dec when receive STOP command. + * \param audec pointer to audec + */ +static void stop_adec(aml_audio_dec_t *audec) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + adec_print("[%s %d]audec->state/%d\n", __FUNCTION__, __LINE__, audec->state); + if (audec->state > INITING) { + char buf[64]; + + audec->state = STOPPED; + aout_ops->mute(audec, 1); //mute output, some repeat sound in audioflinger after stop + aout_ops->stop(audec); + audio_codec_release(audec); + + sprintf(buf, "0x%lx", 0); + amsysfs_set_sysfs_str(TSYNC_FIRSTAPTS, buf); + } +} + +/** + * \brief release audio dec when receive RELEASE command. + * \param audec pointer to audec + */ +static void release_adec(aml_audio_dec_t *audec) +{ + audec->state = TERMINATED; +} + +/** + * \brief mute audio dec when receive MUTE command. + * \param audec pointer to audec + * \param en 1 = mute, 0 = unmute + */ +static void mute_adec(aml_audio_dec_t *audec, int en) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + if (aout_ops->mute) { + adec_print("%s the output !\n", (en ? "mute" : "unmute")); + aout_ops->mute(audec, en); + audec->muted = en; + } +} + +/** + * \brief set volume to audio dec when receive SET_VOL command. + * \param audec pointer to audec + * \param vol volume value + */ +static void adec_set_volume(aml_audio_dec_t *audec, float vol) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + if (aout_ops->set_volume) { + adec_print("set audio volume! vol = %f\n", vol); + aout_ops->set_volume(audec, vol); + } +} + +/** + * \brief set volume to audio dec when receive SET_LRVOL command. + * \param audec pointer to audec + * \param lvol left channel volume value + * \param rvol right channel volume value + */ +static void adec_set_lrvolume(aml_audio_dec_t *audec, float lvol, float rvol) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + if (aout_ops->set_lrvolume) { + adec_print("set audio volume! left vol = %f,right vol:%f\n", lvol, rvol); + aout_ops->set_lrvolume(audec, lvol, rvol); + } +} +static void adec_flag_check(aml_audio_dec_t *audec) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + if (audec->auto_mute && (audec->state > INITTED)) { + aout_ops->pause(audec); + amthreadpool_thread_usleep(10000); + while ((!audec->need_stop) && track_switch_pts(audec)) { + amthreadpool_thread_usleep(1000); + } + aout_ops->resume(audec); + audec->auto_mute = 0; + } +} + + +static void start_decode_thread(aml_audio_dec_t *audec) +{ + if (audec->state != INITTED) { + adec_print("decode not inited quit \n"); + return; + } + + pthread_t tid; + int ret = amthreadpool_pthread_create_name(&tid, NULL, (void *)audio_getpackage_loop, (void *)audec, "getpackagelp"); + audec->sn_getpackage_threadid = tid; + adec_print("[%s]Create get package thread success! tid = %d\n", __FUNCTION__, tid); + + ret = amthreadpool_pthread_create_name(&tid, NULL, (void *)audio_decode_loop, (void *)audec, "decodeloop"); + if (ret != 0) { + adec_print("[%s]Create ffmpeg decode thread failed!\n", __FUNCTION__); + return; + } + audec->sn_threadid = tid; + audec->audio_decoder_enabled = 0x1; + pthread_setname_np(tid, "AmadecDecodeLP"); + adec_print("[%s]Create ffmpeg decode thread success! tid = %d\n", __FUNCTION__, tid); +} +static void stop_decode_thread(aml_audio_dec_t *audec) +{ + audec->exit_decode_thread = 1; + int ret = amthreadpool_pthread_join(audec->sn_threadid, NULL); + adec_print("[%s]decode thread exit success\n", __FUNCTION__); + ret = amthreadpool_pthread_join(audec->sn_getpackage_threadid, NULL); + adec_print("[%s]get package thread exit success\n", __FUNCTION__); + + audec->sn_threadid = -1; + audec->sn_getpackage_threadid = -1; +} + +/* --------------------------------------------------------------------------*/ +/** +* @brief getNextFrameSize Get next frame size +* +* @param[in] format audio format +* +* @return -1: no frame_size use default 0: need get again non_zero: success +*/ +/* --------------------------------------------------------------------------*/ + +static int get_frame_size(aml_audio_dec_t *audec) +{ + int frame_szie = 0; + int ret = 0; + int extra_data = 8; //? + StartCode *start_code = &audec->start_code; + + if (start_code->status == 0 || start_code->status == 3) { + memset(start_code, 0, sizeof(StartCode)); + } + /*ape case*/ + if (audec->format == ACODEC_FMT_APE) { + if (start_code->status == 0) { //have not get the sync data + ret = read_buffer(start_code->buff, 4); + if (ret <= 0) { + return 0; + } + start_code->size = 4; + start_code->status = 1; + } + + if (start_code->status == 1) { //start find sync word + if (start_code->size < 4) { + ret = read_buffer(start_code->buff + start_code->size, 4 - start_code->size); + if (ret <= 0) { + return 0; + } + start_code->size = 4; + } + if (start_code->size == 4) { + if ((start_code->buff[0] == 'A') && (start_code->buff[1] == 'P') && (start_code->buff[2] == 'T') && (start_code->buff[3] == 'S')) { + start_code->size = 0; + start_code->status = 2; //sync word found ,start find frame size + } else { + start_code->size = 3; + start_code->buff[0] = start_code->buff[1]; + start_code->buff[1] = start_code->buff[2]; + start_code->buff[2] = start_code->buff[3]; + return 0; + } + } + + } + + if (start_code->status == 2) { + ret = read_buffer(start_code->buff, 4); + if (ret <= 0) { + return 0; + } + start_code->size = 4; + frame_szie = start_code->buff[3] << 24 | start_code->buff[2] << 16 | start_code->buff[1] << 8 | start_code->buff[0] + extra_data; + frame_szie = (frame_szie + 3) & (~3); + start_code->status = 3; //found frame size + return frame_szie; + } + } + return -1; +} +// check if audio format info changed,if changed, apply new parameters to audio track +static void check_audio_info_changed(aml_audio_dec_t *audec) +{ + buffer_stream_t *g_bst = audec->g_bst; + AudioInfo g_AudioInfo = {0}; + int BufLevelAllowDoFmtChg = 0; + audio_decoder_operations_t *adec_ops = audec->adec_ops; + adec_ops->getinfo(audec->adec_ops, &g_AudioInfo); + if (g_AudioInfo.channels != 0 && g_AudioInfo.samplerate != 0) { + if ((g_AudioInfo.channels != g_bst->channels) || (g_AudioInfo.samplerate != g_bst->samplerate)) { + // the first time we get sample rate/channel num info,we use that to set audio track. + if (audec->channels == 0 || audec->samplerate == 0) { + g_bst->channels = audec->channels = g_AudioInfo.channels; + g_bst->samplerate = audec->samplerate = g_AudioInfo.samplerate; + } else { + //experienc value:0.2 Secs + BufLevelAllowDoFmtChg = audec->samplerate * audec->channels * (audec->adec_ops->bps >> 3) / 5; + while ((audec->format_changed_flag || g_bst->buf_level > BufLevelAllowDoFmtChg) && !audec->exit_decode_thread) { + amthreadpool_thread_usleep(20000); + } + if (!audec->exit_decode_thread) { + adec_print("[%s]Info Changed: src:sample:%d channel:%d dest sample:%d channel:%d PCMBufLevel:%d\n", + __FUNCTION__, audec->samplerate, audec->channels, g_AudioInfo.samplerate, g_AudioInfo.channels, g_bst->buf_level); + g_bst->channels = g_AudioInfo.channels; + g_bst->samplerate = g_AudioInfo.samplerate; + if (audec->state == ACTIVE) + audec->aout_ops.pause(audec); + audec->format_changed_flag = 1; + } + } + } + } +} +void *audio_getpackage_loop(void *args) +{ + int ret; + aml_audio_dec_t *audec; + audio_decoder_operations_t *adec_ops; + int nNextFrameSize = 0; //next read frame size + int inlen = 0;//real data size in in_buf + int nInBufferSize = 0; //full buffer size + char *inbuf = NULL;//real buffer + int rlen = 0;//read buffer ret size + int nAudioFormat; + unsigned wfd = 0; + if (am_getconfig_bool("media.libplayer.wfd")) { + wfd = 1; + } + + adec_print("[%s]adec_getpackage_loop start!\n", __FUNCTION__); + audec = (aml_audio_dec_t *)args; + adec_ops = audec->adec_ops; + nAudioFormat = audec->format; + inlen = 0; + nNextFrameSize = adec_ops->nInBufSize; + while (1) { +exit_decode_loop: + if (audec->exit_decode_thread) { /*detect quit condition*/ + if (inbuf) { + free(inbuf); + } + package_list_free(audec); + break; + } + + nNextFrameSize = get_frame_size(audec); /*step 2 get read buffer size*/ + if (nNextFrameSize == -1) { + nNextFrameSize = adec_ops->nInBufSize; + } else if (nNextFrameSize == 0) { + amthreadpool_thread_usleep(1000); + continue; + } + + nInBufferSize = nNextFrameSize;/*step 3 read buffer*/ + if (inbuf != NULL) { + free(inbuf); + inbuf = NULL; + } + inbuf = malloc(nInBufferSize); + + int nNextReadSize = nInBufferSize; + int nRet = 0; + int nReadErrCount = 0; + int nCurrentReadCount = 0; + int nReadSizePerTime = 1 * 1024; + rlen = 0; + int sleeptime = 0; + while (nNextReadSize > 0 && !audec->exit_decode_thread) { + if (nNextReadSize <= nReadSizePerTime) { + nReadSizePerTime = nNextReadSize; + } + nRet = read_buffer(inbuf + rlen, nReadSizePerTime); //read 10K per time + if (nRet <= 0) { + sleeptime++; + amthreadpool_thread_usleep(1000); + continue; + } + rlen += nRet; + nNextReadSize -= nRet; + if (wfd && nAudioFormat == ACODEC_FMT_AAC) { + if (rlen > 300) { + break; + } + } + } + // adec_print(" read data %d,sleep time %d ms \n", rlen,sleeptime); + + sleeptime = 0; + nCurrentReadCount = rlen; + rlen += inlen; + ret = -1; + while ((ret = package_add(audec, inbuf, rlen)) && !audec->exit_decode_thread) { + amthreadpool_thread_usleep(1000); + } + if (ret) { + free(inbuf); + } + inbuf = NULL; + } +QUIT: + adec_print("[%s]Exit adec_getpackage_loop Thread finished!", __FUNCTION__); + pthread_exit(NULL); + return NULL; +} + +static char pcm_buf_tmp[AVCODEC_MAX_AUDIO_FRAME_SIZE];//max frame size out buf +void *audio_decode_loop(void *args) +{ + int ret; + aml_audio_dec_t *audec; + audio_out_operations_t *aout_ops; + audio_decoder_operations_t *adec_ops; + int nNextFrameSize = 0; //next read frame size + int inlen = 0;//real data size in in_buf + int nRestLen = 0; //left data after last decode + int nInBufferSize = 0; //full buffer size + //int nStartDecodePoint=0;//start decode point in in_buf + char *inbuf = NULL;//real buffer + int rlen = 0;//read buffer ret size + char *pRestData = NULL; + char *inbuf2; + + int dlen = 0;//decode size one time + int declen = 0;//current decoded size + int nCurrentReadCount = 0; + int needdata = 0; + char startcode[5]; + int extra_data = 8; + int nCodecID; + int nAudioFormat; + char *outbuf = pcm_buf_tmp; + int outlen = 0; + struct package *p_Package; + buffer_stream_t *g_bst; + AudioInfo g_AudioInfo; + adec_print("[%s]adec_armdec_loop start!\n", __FUNCTION__); + audec = (aml_audio_dec_t *)args; + aout_ops = &audec->aout_ops; + adec_ops = audec->adec_ops; + memset(outbuf, 0, AVCODEC_MAX_AUDIO_FRAME_SIZE); + g_bst = audec->g_bst; + + nAudioFormat = audec->format; + g_bst->format = audec->format; + inlen = 0; + nNextFrameSize = adec_ops->nInBufSize; + adec_ops->nAudioDecoderType = audec->format; + while (1) { +exit_decode_loop: + + if (audec->exit_decode_thread) { //detect quit condition + if (inbuf) { + free(inbuf); + inbuf = NULL; + } + if (pRestData) { + free(pRestData); + pRestData = NULL; + } + audec->exit_decode_thread_success = 1; + break; + } + //step 2 get read buffer size + p_Package = package_get(audec); + if (!p_Package) { + amthreadpool_thread_usleep(1000); + continue; + } + if (inbuf != NULL) { + free(inbuf); + inbuf = NULL; + } + + if (inlen && pRestData) { + rlen = p_Package->size + inlen; + inbuf = malloc(rlen); + memcpy(inbuf, pRestData, inlen); + memcpy(inbuf + inlen, p_Package->data, p_Package->size); + free(pRestData); + free(p_Package->data); + pRestData = NULL; + p_Package->data = NULL; + } else { + rlen = p_Package->size; + inbuf = p_Package->data; + p_Package->data = NULL; + } + free(p_Package); + p_Package = NULL; + + nCurrentReadCount = rlen; + inlen = rlen; + declen = 0; + if (nCurrentReadCount > 0) { + while (declen < rlen && !audec->exit_decode_thread) { + outlen = AVCODEC_MAX_AUDIO_FRAME_SIZE; + if (nAudioFormat == ACODEC_FMT_COOK || nAudioFormat == ACODEC_FMT_RAAC || nAudioFormat == ACODEC_FMT_AMR) { + if (needdata > 0) { + pRestData = malloc(inlen); + if (pRestData) { + memcpy(pRestData, (uint8_t *)(inbuf + declen), inlen); + } + needdata = 0; + break; + } + } + + dlen = adec_ops->decode(audec->adec_ops, outbuf, &outlen, inbuf + declen, inlen); + if (outlen > 0) { + check_audio_info_changed(audec); + } + if (outlen > AVCODEC_MAX_AUDIO_FRAME_SIZE) { + adec_print("!!!!!fatal error,out buffer overwriten,out len %d,actual %d", outlen, AVCODEC_MAX_AUDIO_FRAME_SIZE); + } + if (dlen <= 0) { + + if (nAudioFormat == ACODEC_FMT_APE) { + inlen = 0; + } else if (inlen > 0) { + pRestData = malloc(inlen); + if (pRestData) { + memcpy(pRestData, (uint8_t *)(inbuf + declen), inlen); + } + } + audec->nDecodeErrCount++;//decode failed, add err_count + needdata = 0; + break; + } + audec->nDecodeErrCount = 0; //decode success reset to 0 + declen += dlen; + inlen -= dlen; + + /* decoder input buffer not enough,need new data burst */ + if (nAudioFormat == ACODEC_FMT_COOK || nAudioFormat == ACODEC_FMT_RAAC || nAudioFormat == ACODEC_FMT_AMR) { + if (inlen <= declen) { + needdata ++; + } + } + // for aac decoder, if decoder cost es data but no pcm output,may need more data ,which is needed by frame resync + else if (nAudioFormat == ACODEC_FMT_AAC_LATM || nAudioFormat == ACODEC_FMT_AAC) { + if (outlen == 0 && inlen) { + pRestData = malloc(inlen); + if (pRestData) { + memcpy(pRestData, (uint8_t *)(inbuf + declen), inlen); + } + audec->decode_offset += dlen; //update es offset for apts look up + break; + } + } + //write to the pcm buffer + if (nAudioFormat == ACODEC_FMT_RAAC || nAudioFormat == ACODEC_FMT_COOK) { + audec->decode_offset = audec->adec_ops->pts; + } else { + audec->decode_offset += dlen; + } + audec->decode_pcm_offset += outlen; + audec->pcm_cache_size = outlen; + if (g_bst) { + int wlen = 0; + while (outlen && !audec->exit_decode_thread) { + if (g_bst->buf_length - g_bst->buf_level < outlen) { + amthreadpool_thread_usleep(100000); + continue; + } + wlen = write_pcm_buffer(outbuf, g_bst, outlen); + outlen -= wlen; + audec->pcm_cache_size -= wlen; + } + } + } + } else { + amthreadpool_thread_usleep(1000); + continue; + } + } + + adec_print("[%s]exit adec_armdec_loop Thread finished!", __FUNCTION__); + pthread_exit(NULL); +error: + pthread_exit(NULL); + return NULL; +} + +void *adec_armdec_loop(void *args) +{ + int ret; + aml_audio_dec_t *audec; + audio_out_operations_t *aout_ops; + adec_cmd_t *msg = NULL; + + audec = (aml_audio_dec_t *)args; + aout_ops = &audec->aout_ops; + + // codec init + audec->state = INITING; + while (1) { + if (audec->need_stop) { + goto MSG_LOOP; + } + + ret = audio_codec_init(audec); + if (ret == 0) { + break; + } + usleep(10000); + } + audec->state = INITTED; + + //start decode thread + while (1) { + if (audec->need_stop) { + //no need to call release, will do it in stop_adec + goto MSG_LOOP; + } + if (audec->StageFrightCodecEnableType) { + start_decode_thread_omx(audec); + if (audec->OmxFirstFrameDecoded != 1) { // just one case, need_stop == 1 + //usleep(10000); // no need + continue; + } + } else { + start_decode_thread(audec); + } + //ok + break; + } + + //aout init + while (1) { + if (audec->need_stop) { + //no need to call release, will do it in stop_adec + goto MSG_LOOP; + } + //wait the audio sr/ch ready to set audio track. + adec_print("wait audio sr/channel begin \n"); + while (((!audec->channels) || (!audec->samplerate)) && !audec->need_stop) { + amthreadpool_thread_usleep(10000); + } + adec_print("wait audio sr/channel done \n"); + ret = aout_ops->init(audec); + if (ret) { + adec_print("[%s %d]Audio out device init failed!", __FUNCTION__, __LINE__); + amthreadpool_thread_usleep(10000); + continue; + } + //ok + break; + } + + //wait first pts decoded + start_adec(audec); + +MSG_LOOP: + do { + + adec_reset_track(audec); + adec_flag_check(audec); + if (audec->state == ACTIVE) + adec_refresh_pts(audec); + msg = adec_get_message(audec); + if (!msg) { + amthreadpool_thread_usleep(10 * 1000); //if not wait,need changed to amthread usleep + continue; + } + + switch (msg->ctrl_cmd) { + case CMD_START: + + adec_print("Receive START Command!\n"); + //------------------------ + if (!audec->StageFrightCodecEnableType) { + start_decode_thread(audec); + } + //------------------------ + start_adec(audec); + break; + + case CMD_PAUSE: + + adec_print("Receive PAUSE Command!"); + pause_adec(audec); + break; + + case CMD_RESUME: + + adec_print("Receive RESUME Command!"); + resume_adec(audec); + break; + + case CMD_STOP: + + adec_print("Receive STOP Command!"); + stop_adec(audec); + break; + + case CMD_MUTE: + + adec_print("Receive Mute Command!"); + if (msg->has_arg) { + mute_adec(audec, msg->value.en); + } + break; + + case CMD_SET_VOL: + + adec_print("Receive Set Vol Command!"); + if (msg->has_arg) { + adec_set_volume(audec, msg->value.volume); + } + break; + case CMD_SET_LRVOL: + + adec_print("Receive Set LRVol Command!"); + if (msg->has_arg) { + adec_set_lrvolume(audec, msg->value.volume, msg->value_ext.volume); + } + break; + + case CMD_CHANL_SWAP: + + adec_print("Receive Channels Swap Command!"); + audio_hardware_ctrl(HW_CHANNELS_SWAP); + break; + + case CMD_LEFT_MONO: + + adec_print("Receive Left Mono Command!"); + audio_hardware_ctrl(HW_LEFT_CHANNEL_MONO); + break; + + case CMD_RIGHT_MONO: + + adec_print("Receive Right Mono Command!"); + audio_hardware_ctrl(HW_RIGHT_CHANNEL_MONO); + break; + + case CMD_STEREO: + + adec_print("Receive Stereo Command!"); + audio_hardware_ctrl(HW_STEREO_MODE); + break; + + case CMD_RELEASE: + + adec_print("Receive RELEASE Command!"); + release_adec(audec); + break; + + default: + adec_print("Unknow Command!"); + break; + + } + + if (msg) { + adec_message_free(msg); + msg = NULL; + } + } while (audec->state != TERMINATED); + + adec_print("Exit Message Loop Thread!"); + pthread_exit(NULL); + return NULL; +} + + diff --git a/amadec/adec-internal-mgt.c b/amadec/adec-internal-mgt.c new file mode 100644 index 0000000..f51a912 --- a/dev/null +++ b/amadec/adec-internal-mgt.c @@ -0,0 +1,772 @@ +/** + * \file adec-internal-mgt.c + * \brief Audio Dec Message Loop Thread + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include "audiodsp_update_format.h" + +#define MULTICH_SUPPORT_PROPERTY "media.multich.support.info" +#define PCM_88_96_SUPPORT "media.libplayer.88_96K" + +extern int RegisterDecode(aml_audio_dec_t *audec, int type); +extern void get_output_func(struct aml_audio_dec* audec); + +static int64_t gettime_ms(void) +{ + struct timeval tv; + gettimeofday(&tv, NULL); + return (int64_t)tv.tv_sec * 1000 + tv.tv_usec/1000; +} + + + +static int set_tsync_enable(int enable) +{ + + char *path = "/sys/class/tsync/enable"; + return amsysfs_set_sysfs_int(path, enable); +} + +typedef struct { + // int no; + int audio_id; + char type[16]; +} audio_type_t; + +audio_type_t audio_type[] = { + {ACODEC_FMT_AAC, "aac"}, + {ACODEC_FMT_AC3, "ac3"}, + {ACODEC_FMT_DTS, "dts"}, + {ACODEC_FMT_FLAC, "flac"}, + {ACODEC_FMT_COOK, "cook"}, + {ACODEC_FMT_AMR, "amr"}, + {ACODEC_FMT_RAAC, "raac"}, + {ACODEC_FMT_WMA, "wma"}, + {ACODEC_FMT_WMAPRO, "wmapro"}, + {ACODEC_FMT_ALAC, "alac"}, + {ACODEC_FMT_VORBIS, "vorbis"}, + {ACODEC_FMT_AAC_LATM, "aac_latm"}, + {ACODEC_FMT_APE, "ape"}, + {ACODEC_FMT_MPEG, "mp3"},//mp3 + {ACODEC_FMT_MPEG2, "mp3"},//mp2 + {ACODEC_FMT_MPEG1, "mp3"},//mp1 + {ACODEC_FMT_EAC3, "eac3"}, + {ACODEC_FMT_TRUEHD, "thd"}, + {ACODEC_FMT_PCM_S16BE, "pcm"}, + {ACODEC_FMT_PCM_S16LE, "pcm"}, + {ACODEC_FMT_PCM_U8, "pcm"}, + {ACODEC_FMT_PCM_BLURAY, "pcm"}, + {ACODEC_FMT_WIFIDISPLAY, "pcm"}, + {ACODEC_FMT_ALAW, "pcm"}, + {ACODEC_FMT_MULAW, "pcm"}, + + {ACODEC_FMT_ADPCM, "adpcm"}, + {ACODEC_FMT_WMAVOI, "wmavoi"}, + {ACODEC_FMT_DRA, "dra"}, + {ACODEC_FMT_NULL, "null"}, + +}; + +extern int match_types(const char *filetypestr, const char *typesetting); + +static int audio_decoder = AUDIO_ARC_DECODER; +static int audio_hardware_ctrl(hw_command_t cmd) +{ + int fd; + + fd = open(AUDIO_CTRL_DEVICE, O_RDONLY); + if (fd < 0) { + adec_print("Open Device %s Failed!", AUDIO_CTRL_DEVICE); + return -1; + } + + switch (cmd) { + case HW_CHANNELS_SWAP: + ioctl(fd, AMAUDIO_IOC_SET_CHANNEL_SWAP, 0); + break; + + case HW_LEFT_CHANNEL_MONO: + ioctl(fd, AMAUDIO_IOC_SET_LEFT_MONO, 0); + break; + + case HW_RIGHT_CHANNEL_MONO: + ioctl(fd, AMAUDIO_IOC_SET_RIGHT_MONO, 0); + break; + + case HW_STEREO_MODE: + ioctl(fd, AMAUDIO_IOC_SET_STEREO, 0); + break; + + default: + adec_print("Unknow Command %d!", cmd); + break; + + }; + + close(fd); + + return 0; + +} + +/** + * \brief start audio dec when receive START command. + * \param audec pointer to audec + */ +static void start_adec(aml_audio_dec_t *audec) +{ + int ret; + audio_out_operations_t *aout_ops = &audec->aout_ops; + dsp_operations_t *dsp_ops = &audec->adsp_ops; + unsigned long vpts, apts; + int times = 0; + char buf[32]; + apts = vpts = 0; + + char value[PROPERTY_VALUE_MAX] = {0}; + int wait_count = 100; + if (property_get("media.amadec.wait_count", value, NULL) > 0) { + wait_count = atoi(value); + } + adec_print("wait first apts count :%d \n", wait_count); + + audec->no_first_apts = 0; + if (audec->state == INITTED) { + + while ((!audiodsp_get_first_pts_flag(dsp_ops)) && (!audec->need_stop) && (!audec->no_first_apts)) { + adec_print("wait first pts checkin complete times=%d,!\n", times); + times++; + + if (times >= wait_count) { + // read vpts + amsysfs_get_sysfs_str(TSYNC_VPTS, buf, sizeof(buf)); + if (sscanf(buf, "0x%lx", &vpts) < 1) { + adec_print("unable to get vpts from: %s", buf); + return; + } + + // save vpts to apts + adec_print("## can't get first apts, save vpts to apts,vpts=%lx, \n", vpts); + + sprintf(buf, "0x%lx", vpts); + + amsysfs_set_sysfs_str(TSYNC_APTS, buf); + + audec->no_first_apts = 1; + } + amthreadpool_thread_usleep(100000); + } + /*Since audio_track->start consumed too much time + *for the first time after platform restart, + *so execute start cmd before adec_pts_start + */ + aout_ops->start(audec); + aout_ops->pause(audec); + /*start the the pts scr,...*/ + ret = adec_pts_start(audec); + + //adec_pts_droppcm(audec); + + if (audec->auto_mute) { + avsync_en(0); + audiodsp_automute_on(dsp_ops); + adec_pts_pause(); + + while ((!audec->need_stop) && track_switch_pts(audec)) { + amthreadpool_thread_usleep(1000); + } + + audiodsp_automute_off(dsp_ops); + avsync_en(1); + adec_pts_resume(); + + audec->auto_mute = 0; + } + + aout_ops->resume(audec); + audec->state = ACTIVE; + + } +} + +/** + * \brief pause audio dec when receive PAUSE command. + * \param audec pointer to audec + */ +static void pause_adec(aml_audio_dec_t *audec) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + + if (audec->state == ACTIVE) { + audec->state = PAUSED; + adec_pts_pause(); + aout_ops->pause(audec); + } +} + +/** + * \brief resume audio dec when receive RESUME command. + * \param audec pointer to audec + */ +static void resume_adec(aml_audio_dec_t *audec) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + + if (audec->state == PAUSED) { + audec->state = ACTIVE; + audec->refresh_pts_readytime_ms = gettime_ms() + + am_getconfig_int_def("media.amadec.wait_fresh_ms", 200); + aout_ops->resume(audec); + adec_pts_resume(); + } +} + +/** + * \brief stop audio dec when receive STOP command. + * \param audec pointer to audec + */ +static void stop_adec(aml_audio_dec_t *audec) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + + if (audec->state > INITING) { + audec->state = STOPPED; + aout_ops->mute(audec, 1); //mute output, some repeat sound in audioflinger after stop + aout_ops->stop(audec); + feeder_release(audec); + } +} + +/** + * \brief release audio dec when receive RELEASE command. + * \param audec pointer to audec + */ +static void release_adec(aml_audio_dec_t *audec) +{ + audec->state = TERMINATED; +} + +/** + * \brief mute audio dec when receive MUTE command. + * \param audec pointer to audec + * \param en 1 = mute, 0 = unmute + */ +static void mute_adec(aml_audio_dec_t *audec, int en) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + + if (aout_ops->mute) { + adec_print("%s the output !\n", (en ? "mute" : "unmute")); + aout_ops->mute(audec, en); + audec->muted = en; + } +} + +/** + * \brief set volume to audio dec when receive SET_VOL command. + * \param audec pointer to audec + * \param vol volume value + */ +static void adec_set_volume(aml_audio_dec_t *audec, float vol) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + + if (aout_ops->set_volume) { + adec_print("set audio volume! vol = %f\n", vol); + aout_ops->set_volume(audec, vol); + } +} + +/** + * \brief set volume to audio dec when receive SET_LRVOL command. + * \param audec pointer to audec + * \param lvol left channel volume value + * \param rvol right channel volume value + */ +static void adec_set_lrvolume(aml_audio_dec_t *audec, float lvol, float rvol) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + + if (aout_ops->set_lrvolume) { + adec_print("set audio volume! left vol = %f,right vol:%f\n", lvol, rvol); + aout_ops->set_lrvolume(audec, lvol, rvol); + } +} +static void adec_flag_check(aml_audio_dec_t *audec) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + + if (audec->auto_mute && (audec->state > INITTED) && (audec->state != PAUSED)) { + aout_ops->pause(audec); + adec_print("automute, pause audio out!\n"); + amthreadpool_thread_usleep(10000); + while ((!audec->need_stop) && track_switch_pts(audec)) { + amthreadpool_thread_usleep(1000); + } + aout_ops->resume(audec); + adec_print("resume audio out, automute invalid\n"); + audec->auto_mute = 0; + } +} + +static int write_buffer(char *outbuf, int outlen) +{ + return 0; +} + + +static void *adec_message_loop(void *args) +{ + int ret; + aml_audio_dec_t *audec; + audio_out_operations_t *aout_ops; + adec_cmd_t *msg = NULL; + + audec = (aml_audio_dec_t *)args; + aout_ops = &audec->aout_ops; + + while (!audec->need_stop) { + audec->state = INITING; + ret = feeder_init(audec); + if (ret == 0) { + ret = aout_ops->init(audec); + if (ret) { + adec_print("Audio out device init failed!"); + feeder_release(audec); + continue; + } + audec->state = INITTED; + adec_print("Audio out device init ok!"); + start_adec(audec); + if (dtsenc_init() != -1) { + dtsenc_start(); + } + + break; + } + + if (!audec->need_stop) { + amthreadpool_thread_usleep(100000); + } + } + + do { + //if(message_pool_empty(audec)) + //{ + //adec_print("there is no message !\n"); + // amthreadpool_thread_usleep(100000); + // continue; + //} + adec_reset_track(audec); + adec_flag_check(audec); + + msg = adec_get_message(audec); + if (!msg) { + amthreadpool_thread_usleep(100000); + continue; + } + + switch (msg->ctrl_cmd) { + case CMD_START: + + adec_print("Receive START Command!\n"); + start_adec(audec); + dtsenc_start(); + break; + + case CMD_PAUSE: + + adec_print("Receive PAUSE Command!"); + pause_adec(audec); + dtsenc_pause(); + break; + + case CMD_RESUME: + + adec_print("Receive RESUME Command!"); + resume_adec(audec); + dtsenc_resume(); + break; + + case CMD_STOP: + + adec_print("Receive STOP Command!"); + adec_print("audec->state=%d (INITING/3) when Rec_STOP_CMD\n", audec->state); + stop_adec(audec); + dtsenc_stop(); + break; + + case CMD_MUTE: + + adec_print("Receive Mute Command!"); + if (msg->has_arg) { + mute_adec(audec, msg->value.en); + } + break; + + case CMD_SET_VOL: + + adec_print("Receive Set Vol Command!"); + if (msg->has_arg) { + adec_set_volume(audec, msg->value.volume); + } + break; + case CMD_SET_LRVOL: + + adec_print("Receive Set LRVol Command!"); + if (msg->has_arg) { + adec_set_lrvolume(audec, msg->value.volume, msg->value_ext.volume); + } + break; + + case CMD_CHANL_SWAP: + + adec_print("Receive Channels Swap Command!"); + audio_hardware_ctrl(HW_CHANNELS_SWAP); + break; + + case CMD_LEFT_MONO: + + adec_print("Receive Left Mono Command!"); + audio_hardware_ctrl(HW_LEFT_CHANNEL_MONO); + break; + + case CMD_RIGHT_MONO: + + adec_print("Receive Right Mono Command!"); + audio_hardware_ctrl(HW_RIGHT_CHANNEL_MONO); + break; + + case CMD_STEREO: + + adec_print("Receive Stereo Command!"); + audio_hardware_ctrl(HW_STEREO_MODE); + break; + + case CMD_RELEASE: + + adec_print("Receive RELEASE Command!"); + release_adec(audec); + dtsenc_release(); + break; + + default: + adec_print("Unknow Command!"); + break; + + } + + if (msg) { + adec_message_free(msg); + msg = NULL; + } + } while (audec->state != TERMINATED); + + adec_print("Exit Message Loop Thread!"); + pthread_exit(NULL); + return NULL; +} + +/** + * \brief start audio dec + * \param audec pointer to audec + * \return 0 on success otherwise -1 if an error occurred + */ +int match_types(const char *filetypestr, const char *typesetting) +{ + const char * psets = typesetting; + const char *psetend; + int psetlen = 0; + char typestr[64] = ""; + if (filetypestr == NULL || typesetting == NULL) { + return 0; + } + + while (psets && psets[0] != '\0') { + psetlen = 0; + psetend = strchr(psets, ','); + if (psetend != NULL && psetend > psets && psetend - psets < 64) { + psetlen = psetend - psets; + memcpy(typestr, psets, psetlen); + typestr[psetlen] = '\0'; + psets = &psetend[1]; //skip ";" + } else { + strcpy(typestr, psets); + psets = NULL; + } + if (strlen(typestr) > 0 && (strlen(typestr) == strlen(filetypestr))) { + if (strstr(filetypestr, typestr) != NULL) { + return 1; + } + } + } + return 0; +} + +/* +digital_raw: +0 2ch PCM +1 spdif passthrough ,for DTS,DD +2 HDMI passthrough for DD,DTSHD,TrueHD +3 Multi-channel PCM HDMI passthrough +*/ +static void set_multichs_prop() +{ + char * infobuf; + int channel = 0; + int dgraw = 0; + dgraw = amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw"); + infobuf = (char *)malloc(1024 * sizeof(char)); + property_set(PCM_88_96_SUPPORT, "0"); + if (infobuf == NULL) { + adec_print("%s: malloc infobuf failed.\n", __FUNCTION__); + } else { + int fd = open("/sys/class/amhdmitx/amhdmitx0/aud_cap", O_RDONLY); + if (fd != -1) { + int nread = read(fd, infobuf, 1024); + int i; + nread = nread - 5; + for (i = 0; i < nread; i++) { + if ((infobuf[i] == 'P') && (infobuf[i + 1] == 'C') && (infobuf[i + 2] == 'M')) { + if (dgraw == 3) { // if configured mutli-channel output,check if the HDMI sink support multi-channel PCM output + if (infobuf[i + 5] == '8') { + property_set(MULTICH_SUPPORT_PROPERTY, "hdmi8"); + channel = channel < 8 ? 8 : channel; + } + if (infobuf[i + 5] == '6') { + property_set(MULTICH_SUPPORT_PROPERTY, "hdmi6"); + channel = channel < 6 ? 6 : channel; + } + if (infobuf[i + 5] == '2') { + property_set(MULTICH_SUPPORT_PROPERTY, "hdmi2"); + channel = channel < 2 ? 2 : channel; + } + } else { + property_set(MULTICH_SUPPORT_PROPERTY, "hdmi2"); + channel = channel < 2 ? 2 : channel; + } + } else if ( + ((infobuf[i] == '8') && (infobuf[i + 1] == '8') && (infobuf[i + 2] == '.') && (infobuf[i + 3] == '2')) + || ((infobuf[i] == '9') && (infobuf[i + 1] == '6'))) { + property_set(PCM_88_96_SUPPORT, "1"); + } + } + if (channel == 0) { + property_set(MULTICH_SUPPORT_PROPERTY, "speaker"); + } + adec_print("%s: aud_cap support channel number: %d ch\n", __FUNCTION__, channel); + close(fd); + free(infobuf); + infobuf = NULL; + } else { + adec_print("%s: open hdmi driver aud_cap node failed \n", __FUNCTION__); + free(infobuf); + infobuf = NULL; + } + } +} + +static int set_audio_decoder(aml_audio_dec_t *audec) +{ + int audio_id; + int i; + int num; + int ret; + audio_type_t *t; + char value[PROPERTY_VALUE_MAX]; + + + audio_id = audec->format; + + num = ARRAY_SIZE(audio_type); + for (i = 0; i < num; i++) { + t = &audio_type[i]; + if (t->audio_id == audio_id) { + break; + } + } + + if (match_types(t->type, "thd") || match_types(t->type, "wmavoi") || match_types(t->type, "dra") ) { + adec_print("audio format is %s, so chose AUDIO_ARM_DECODER", t->type); + audio_decoder = AUDIO_ARM_DECODER; + goto exit; + } + + + ret = property_get("media.arm.audio.decoder", value, NULL); + adec_print("media.amplayer.audiocodec = %s, t->type = %s\n", value, t->type); + if (ret > 0 && match_types(t->type, value)) { + char type_value[] = "ac3,eac3"; + set_multichs_prop(); + if (match_types(t->type, type_value)) { +#ifdef DOLBY_USE_ARMDEC + adec_print("DOLBY_USE_ARMDEC=%d", DOLBY_USE_ARMDEC); +#ifndef USE_ARM_AUDIO_DEC + if (access("/system/etc/firmware/audiodsp_codec_ddp_dcv.bin",0 /*F_OK*/)) { +#endif + audio_decoder = AUDIO_ARM_DECODER; +#ifndef USE_ARM_AUDIO_DEC + }else{ + audio_decoder = AUDIO_ARC_DECODER; + } +#endif +#else + audio_decoder = AUDIO_ARC_DECODER; + adec_print(" is not DEFINED,use ARC_Decoder\n!"); +#endif + } +#ifndef USE_ARM_AUDIO_DEC + else if (match_types(t->type, "dts")) { + if (access("/system/etc/firmware/audiodsp_codec_dtshd.bin", 0/*F_OK*/)) { + adec_print("using no license dts component"); + audio_decoder = AUDIO_ARM_DECODER; + } else { + adec_print("using audiodsp dts decoder"); + audio_decoder = AUDIO_ARC_DECODER; + } + } +#endif + else { + audio_decoder = AUDIO_ARM_DECODER; + } + goto exit; + } + + ret = property_get("media.arc.audio.decoder", value, NULL); + adec_print("media.amplayer.audiocodec = %s, t->type = %s\n", value, t->type); + if (ret > 0 && match_types(t->type, value)) { + if (audec->dspdec_not_supported == 0) { + audio_decoder = AUDIO_ARC_DECODER; + } else { + audio_decoder = AUDIO_ARM_DECODER; + adec_print("[%s:%d]arc decoder not support this audio yet,switch to ARM decoder \n", __FUNCTION__, __LINE__); + } + goto exit; + } + + ret = property_get("media.ffmpeg.audio.decoder", value, NULL); + adec_print("media.amplayer.audiocodec = %s, t->type = %s\n", value, t->type); + if (ret > 0 && match_types(t->type, value)) { + audio_decoder = AUDIO_FFMPEG_DECODER; + goto exit; + } + + audio_decoder = AUDIO_ARC_DECODER; //set arc decoder as default + if (audec->dspdec_not_supported == 1) { + audio_decoder = AUDIO_ARM_DECODER; + adec_print("[%s:%d]arc decoder not support this audio yet,switch to ARM decoder \n", __FUNCTION__, __LINE__); + } +exit: + if (am_getconfig_bool("media.libplayer.wfd") && (audio_id == ACODEC_FMT_WIFIDISPLAY || audio_id == ACODEC_FMT_AAC)) { + adec_print("wfd use arm decoder \n"); + audio_decoder = AUDIO_ARMWFD_DECODER; + } + return 0; +} + +int get_audio_decoder(void) +{ + //adec_print("audio_decoder = %d\n", audio_decoder); + return audio_decoder; +} + +int vdec_pts_pause(void) +{ + return amsysfs_set_sysfs_str(TSYNC_EVENT, "VIDEO_PAUSE:0x1"); +} + +int adec_thread_wait(aml_audio_dec_t *audec, int microseconds) +{ + struct timespec pthread_ts; + struct timeval now; + adec_thread_mgt_t *mgt = &audec->thread_mgt; + int ret; + + gettimeofday(&now, NULL); + pthread_ts.tv_sec = now.tv_sec + (microseconds + now.tv_usec) / 1000000; + pthread_ts.tv_nsec = ((microseconds + now.tv_usec) * 1000) % 1000000000; + pthread_mutex_lock(&mgt->pthread_mutex); + ret = pthread_cond_timedwait(&mgt->pthread_cond, &mgt->pthread_mutex, &pthread_ts); + pthread_mutex_unlock(&mgt->pthread_mutex); + return ret; +} +int adec_thread_wakeup(aml_audio_dec_t *audec) +{ + adec_thread_mgt_t *mgt = &audec->thread_mgt; + int ret; + + pthread_mutex_lock(&mgt->pthread_mutex); + ret = pthread_cond_signal(&mgt->pthread_cond); + pthread_mutex_unlock(&mgt->pthread_mutex); + + return ret; +} + +int audiodec_init(aml_audio_dec_t *audec) +{ + int ret = 0; + pthread_t tid; + char value[PROPERTY_VALUE_MAX] = {0}; + unsigned wfd = 0; + adec_print("audiodec_init!"); + adec_message_pool_init(audec); + get_output_func(audec); + int nCodecType = audec->format; + set_audio_decoder(audec); + audec->format_changed_flag = 0; + audec->audio_decoder_enabled = -1;//default set a invalid value + audec->mix_lr_channel_enable = -1; + audec->pre_gain_enable = -1; + audec->pre_gain = 1.0; + audec->pre_mute = 0; + audec->VersionNum = -1; + audec->refresh_pts_readytime_ms = 0; + if (am_getconfig_bool("media.libplayer.wfd")) { + wfd = 1; + } + if (get_audio_decoder() == AUDIO_ARC_DECODER) { + audec->adsp_ops.dsp_file_fd = -1; + ret = amthreadpool_pthread_create(&tid, NULL, (void *)adec_message_loop, (void *)audec); + pthread_setname_np(tid, "AmadecMsgloop"); + } else if (wfd && (nCodecType == ACODEC_FMT_AAC || nCodecType == ACODEC_FMT_WIFIDISPLAY)) { + adec_print("using wfd audio decoder \n"); + ret = amthreadpool_pthread_create(&tid, NULL, (void *)adec_wfddec_msg_loop, (void *)audec); + audec->audio_decoder_enabled = 0x1; + pthread_setname_np(tid, "AmadecWFDMsgloop"); + } else { + int codec_type = get_audio_decoder(); + RegisterDecode(audec, codec_type); + ret = amthreadpool_pthread_create(&tid, NULL, (void *)adec_armdec_loop, (void *)audec); + pthread_mutex_init(&audec->thread_mgt.pthread_mutex, NULL); + pthread_cond_init(&audec->thread_mgt.pthread_cond, NULL); + audec->thread_mgt.pthread_id = tid; + pthread_setname_np(tid, "AmadecArmdecLP"); + } + if (ret != 0) { + adec_print("Create adec main thread failed!\n"); + return ret; + } + adec_print("Create adec main thread success! tid = %d\n", tid); + audec->thread_pid = tid; + return ret; +} diff --git a/amadec/adec-message.c b/amadec/adec-message.c new file mode 100644 index 0000000..004adf0 --- a/dev/null +++ b/amadec/adec-message.c @@ -0,0 +1,156 @@ +/** + * \file adec-message.c + * \brief Audio Dec Message Handlers + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#include +#include +#include +#include +#include + +/** + * \brief message is empty or not + * \param pool pointer to message pool + * \return TREU when empty, otherwise FALSE + */ +adec_bool_t message_pool_empty(aml_audio_dec_t *audec) +{ + message_pool_t *pool = &audec->message_pool; + + if (pool->message_num == 0) { + return TRUE; + } else { + return FALSE; + } +} + +/** + * \brief init the adec message pool + * \param audec pointer to audec + * \return 0 on success + */ +int adec_message_pool_init(aml_audio_dec_t *audec) +{ + message_pool_t *pool; + + pool = &audec->message_pool; + pool->message_in_index = 0; + pool->message_out_index = 0; + pool->message_num = 0; + memset(pool->message_lise, 0, sizeof(pool->message_lise)); + pthread_mutex_init(&pool->msg_mutex, NULL); + + return 0; +} + +/** + * \brief alloc new message + * \return pointer to the new message + */ +adec_cmd_t *adec_message_alloc(void) +{ + adec_cmd_t *cmd; + + cmd = (adec_cmd_t *)malloc(sizeof(adec_cmd_t)); + if (cmd) { + memset(cmd, 0, sizeof(adec_cmd_t)); + } + + return cmd; +} + +/** + * \brief free the message + * \param cmd pointer to message + * \return 0 on success + */ +int adec_message_free(adec_cmd_t *cmd) +{ + if (cmd) { + free(cmd); + } + + cmd = NULL; + + return 0; +} + +/** + * \brief send a message + * \param audec pointer to audec + * \param cmd pointer to message + * \return 0 on success otherwise -1 + */ +int adec_send_message(aml_audio_dec_t *audec, adec_cmd_t *cmd) +{ + + int ret = -1; + message_pool_t *pool; + + pool = &audec->message_pool; + + int retry_count = 0; + adec_thread_wakeup(audec); + while (pool->message_num > MESSAGE_NUM_MAX / 2) { + usleep(1000 * 10); + if (retry_count++ > (pool->message_num - MESSAGE_NUM_MAX / 2) * 10) { + break; + } + } + + pthread_mutex_lock(&pool->msg_mutex); + if (pool->message_num < MESSAGE_NUM_MAX) { + pool->message_lise[pool->message_in_index] = cmd; + pool->message_in_index = (pool->message_in_index + 1) % MESSAGE_NUM_MAX; + pool->message_num += 1; + ret = 0; + } else { + /* message pool is full */ + adec_print("message pool is full! delete the oldest message!"); + adec_cmd_t *oldestcmd; + oldestcmd = pool->message_lise[pool->message_in_index]; + free(oldestcmd); + pool->message_out_index = (pool->message_out_index + 1) % MESSAGE_NUM_MAX; + pool->message_lise[pool->message_in_index] = cmd; + pool->message_in_index = (pool->message_in_index + 1) % MESSAGE_NUM_MAX; + ret = 0; + } + amthreadpool_thread_wake(audec->thread_pid); + pthread_mutex_unlock(&pool->msg_mutex); + + return ret; +} + +/** + * \brief get a message + * \param audec pointer to audec + * \return pointer to message otherwise NULL if an error occurred + */ +adec_cmd_t *adec_get_message(aml_audio_dec_t *audec) +{ + + message_pool_t *pool; + adec_cmd_t *cmd = NULL; + + pool = &audec->message_pool; + if (!pool) { + adec_print("message pool is null! get message failed!"); + return NULL; + } + + pthread_mutex_lock(&pool->msg_mutex); + if (pool->message_num > 0) { + cmd = pool->message_lise[pool->message_out_index]; + pool->message_out_index = (pool->message_out_index + 1) % MESSAGE_NUM_MAX; + pool->message_num -= 1; + } + pthread_mutex_unlock(&pool->msg_mutex); + + return cmd; +} diff --git a/amadec/adec-message.h b/amadec/adec-message.h new file mode 100644 index 0000000..575ba50 --- a/dev/null +++ b/amadec/adec-message.h @@ -0,0 +1,61 @@ +/** + * \file adec-message.h + * \brief Definitiond Of Audio Dec Types And Structures + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#ifndef ADEC_MESSAGE_H +#define ADEC_MESSAGE_H + +#include + +ADEC_BEGIN_DECLS + +#define MESSAGE_NUM_MAX 12 + +typedef enum { + CMD_START = 1 << 0, + CMD_PAUSE = 1 << 1, + CMD_RESUME = 1 << 2, + CMD_STOP = 1 << 3, + CMD_MUTE = 1 << 4, + CMD_SET_VOL = 1 << 5, + CMD_GET_VOL = 1 << 6, + CMD_CHANL_SWAP = 1 << 7, + CMD_LEFT_MONO = 1 << 8, + CMD_RIGHT_MONO = 1 << 9, + CMD_STEREO = 1 << 10, + CMD_SET_LRVOL = 1 << 20, + CMD_RELEASE = 1 << 31, +} ctrl_cmd_t; + + +typedef struct { + int type; /* 1 = reply; 0 = no reply */ + int has_arg; /* 1 = value is valid; 0 = value is unvalid */ + ctrl_cmd_t ctrl_cmd; + union { + int en; + float volume; + } value; + union { + int en; + float volume; + } value_ext; +} adec_cmd_t; + +typedef struct { + adec_cmd_t * message_lise[MESSAGE_NUM_MAX + 1]; + int message_in_index; + int message_out_index; + int message_num; + pthread_mutex_t msg_mutex; +} message_pool_t; + +ADEC_END_DECLS + +#endif diff --git a/amadec/adec-pts-mgt.c b/amadec/adec-pts-mgt.c new file mode 100755 index 0000000..fd627f7 --- a/dev/null +++ b/amadec/adec-pts-mgt.c @@ -0,0 +1,1107 @@ +/** + * \file adec-pts-mgt.c + * \brief Functions Of Pts Manage. + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "Amsysfsutils.h" +#include "amconfigutils.h" + +#define DROP_PCM_DURATION_THRESHHOLD 4 //unit:s +#define DROP_PCM_MAX_TIME 1000 // unit :ms +#define DROP_PCM_PTS_DIFF_THRESHHOLD 90000*10 +#define DROP_PCM_RESET_PCR_THRESHOLD 90000/2 + +int adec_pts_droppcm(aml_audio_dec_t *audec); +int vdec_pts_resume(void); +static int vdec_pts_pause(void); +int droppcm_use_size(aml_audio_dec_t *audec, int drop_size); +void droppcm_prop_ctrl(int *audio_ahead, int *pts_ahead_val); +int droppcm_get_refpts(aml_audio_dec_t *audec, unsigned long *refpts); + +extern int match_types(const char *filetypestr, const char *typesetting); + +static int64_t gettime(void) +{ + struct timeval tv; + gettimeofday(&tv, NULL); + return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec; +} + +int sysfs_get_int(char *path, unsigned long *val) +{ + char buf[64]; + + if (amsysfs_get_sysfs_str(path, buf, sizeof(buf)) == -1) { + adec_print("unable to open file %s,err: %s", path, strerror(errno)); + return -1; + } + if (sscanf(buf, "0x%lx", val) < 1) { + adec_print("unable to get pts from: %s", buf); + return -1; + } + + return 0; +} +/* +get vpts when refresh apts, do not use sys write servie as it is too slow sometimes. +*/ +static int mysysfs_get_sysfs_int16(const char *path) +{ + int fd; + char valstr[64]; + int val; + fd = open(path, O_RDONLY); + if (fd >= 0) { + memset(valstr, 0, 64); + read(fd, valstr, 64 - 1); + valstr[strlen(valstr)] = '\0'; + close(fd); + } else { + adec_print("unable to open file %s\n", path); + return -1; + } + if (sscanf(valstr, "0x%x", &val) < 1) { + adec_print("unable to get pts from: %s", valstr); + return -1; + } + return val; +} + +static int mysysfs_get_sysfs_int(const char *path) +{ + int fd; + int val = 0; + char bcmd[16]; + fd = open(path, O_RDONLY); + if (fd >= 0) { + read(fd, bcmd, sizeof(bcmd)); + val = strtol(bcmd, NULL, 10); + close(fd); + } else { + adec_print("unable to open file %s,err: %s", path, strerror(errno)); + } + return val; +} + +static int set_tsync_enable(int enable) +{ + char *path = "/sys/class/tsync/enable"; + return amsysfs_set_sysfs_int(path, enable); +} +/** + * \brief calc current pts + * \param audec pointer to audec + * \return aurrent audio pts + */ +unsigned long adec_calc_pts(aml_audio_dec_t *audec) +{ + unsigned long pts, delay_pts; + audio_out_operations_t *out_ops; + dsp_operations_t *dsp_ops; + + out_ops = &audec->aout_ops; + dsp_ops = &audec->adsp_ops; + + pts = dsp_ops->get_cur_pts(dsp_ops); + if (pts == -1) { + adec_print("get get_cur_pts failed\n"); + return -1; + } + dsp_ops->kernel_audio_pts = pts; + + if (out_ops == NULL || out_ops->latency == NULL) { + adec_print("cur_out is NULL!\n "); + return -1; + } + delay_pts = out_ops->latency(audec) * 90; + + if (!audec->apts_start_flag) { + return pts; + } + + int diff = abs(delay_pts - pts); + // in some case, audio latency got from audiotrack is bigger than pts, so when delay_pts-pts < 100ms ,so set apts to 0. + //because 100ms pcr-apts diff cause apts reset . + if (delay_pts/*+audec->first_apts*/ < pts) { + pts -= delay_pts; + } else if (diff < 9000) { + pts = 0; + } + return pts; +} + +/** + * \brief start pts manager + * \param audec pointer to audec + * \return 0 on success otherwise -1 + */ +int adec_pts_start(aml_audio_dec_t *audec) +{ + unsigned long pts = 0; + char *file; + char buf[64]; + dsp_operations_t *dsp_ops; + char value[PROPERTY_VALUE_MAX] = {0}; + int tsync_mode; + unsigned long first_apts = 0; + + adec_print("adec_pts_start"); + dsp_ops = &audec->adsp_ops; + memset(buf, 0, sizeof(buf)); + + if (audec->avsync_threshold <= 0) { + if (am_getconfig_bool("media.libplayer.wfd")) { + audec->avsync_threshold = SYSTIME_CORRECTION_THRESHOLD * 2 / 3; + adec_print("use 2/3 default av sync threshold!\n"); + } else { + audec->avsync_threshold = SYSTIME_CORRECTION_THRESHOLD; + adec_print("use default av sync threshold!\n"); + } + } + + first_apts = adec_calc_pts(audec); + if (sysfs_get_int(TSYNC_FIRSTAPTS, &audec->first_apts) == -1) { + adec_print("## [%s::%d] unable to get first_apts! \n", __FUNCTION__, __LINE__); + return -1; + } + + adec_print("av sync threshold is %d , no_first_apts=%d,first_apts = 0x%x, audec->first_apts = 0x%x \n", audec->avsync_threshold, audec->no_first_apts, first_apts, audec->first_apts); + + + dsp_ops->last_pts_valid = 0; + + //default enable drop pcm + int enable_drop_pcm = 1; + if (property_get("sys.amplayer.drop_pcm", value, NULL) > 0) { + enable_drop_pcm = atoi(value); + } + adec_print("[%s:%d] enable_drop_pcm :%d \n", __FUNCTION__, __LINE__, enable_drop_pcm); + if (enable_drop_pcm) { + char *path = "/sys/class/tsync/enable"; + char buf[32] = ""; + + if (amsysfs_get_sysfs_str(path, buf, 32) >= 0) { + if (!strncmp(buf, "1: enabled", 10)) { + adec_pts_droppcm(audec); + } + } else { + adec_print("## [%s::%d] unable to get tsync enable status! \n", __FUNCTION__, __LINE__); + } + } + + // before audio start or pts start + if (amsysfs_set_sysfs_str(TSYNC_EVENT, "AUDIO_PRE_START") == -1) { + return -1; + } + + amthreadpool_thread_usleep(1000); + + if (audec->no_first_apts) { + if (amsysfs_get_sysfs_str(TSYNC_APTS, buf, sizeof(buf)) == -1) { + adec_print("unable to open file %s,err: %s", TSYNC_APTS, strerror(errno)); + return -1; + } + + if (sscanf(buf, "0x%lx", &pts) < 1) { + adec_print("unable to get vpts from: %s", buf); + return -1; + } + + } else { + pts = adec_calc_pts(audec); + + if (pts == -1) { + + adec_print("pts==-1"); + + if (amsysfs_get_sysfs_str(TSYNC_APTS, buf, sizeof(buf)) == -1) { + adec_print("unable to open file %s,err: %s", TSYNC_APTS, strerror(errno)); + return -1; + } + + if (sscanf(buf, "0x%lx", &pts) < 1) { + adec_print("unable to get apts from: %s", buf); + return -1; + } + } + } + + return 0; +} + +static void enable_slowsync_repeate() +{ + const char * slowsync_path = "/sys/class/tsync/slowsync_enable"; + const char * slowsync_repeate_path = "/sys/class/video/slowsync_repeat_enable"; + //amsysfs_set_sysfs_int(slowsync_path, 1); + amsysfs_set_sysfs_int(slowsync_repeate_path, 1); + adec_print("enable slowsync repeate. \n"); +} + +int adec_pts_droppcm(aml_audio_dec_t *audec) +{ + unsigned long refpts, apts, oldapts; + int ret, drop_size, droppts, dropms; + char value[PROPERTY_VALUE_MAX] = {0}; + int64_t starttime, endtime; + int audio_ahead = 0; + unsigned pts_ahead_val = SYSTIME_CORRECTION_THRESHOLD; + int diff; + int sync_switch_ms = 200; // ms + int count = 0; + + unsigned long cur_pcr; + struct am_io_param am_io; + + starttime = gettime(); + + int samplerate = 0; + int channels = 0; + //ARM based decoder,should got from decoder + adec_print("adec_pts_droppcm start get audio sr/ch info \n"); + while (!audec->need_stop) { + if (audec->g_bst) { + samplerate = audec->g_bst->samplerate; + channels = audec->g_bst->channels; + } + //DSP decoder must have got audio info when feeder_init + else { + samplerate = audec->samplerate; + channels = audec->channels; + } + if (!samplerate || !channels) { + amthreadpool_thread_usleep(10000); + continue; + } + break; + } + adec_print("adec_pts_droppcm get audio sr/ch info done sr %d, ch %d \n", samplerate, channels); + + // drop pcm according to media.amplayer.dropms + memset(value, 0, sizeof(value)); + if (property_get("media.amplayer.dropms", value, NULL) > 0) { + dropms = atoi(value); + audec->droppcm_ms = dropms; + drop_size = dropms * (audec->samplerate / 1000) * audec->channels * 2; + if (drop_size > 0) { + if (droppcm_use_size(audec, drop_size) == -1) { + adec_print("[%s::%d] data not enough, drop failed! \n", __FUNCTION__, __LINE__); + } + + if (am_getconfig_bool("media.amplayer.dropmsquit")) { + adec_print("[%s::%d] fast droppcm: %d ms! \n", __FUNCTION__, __LINE__, dropms); + return 0; + } + } + } + + // pre drop, according to first check in vpts + + adec_print("[%s::%d] start pre drop ! \n", __FUNCTION__, __LINE__); + if (am_getconfig_bool("media.amplayer.pre_droppcm")) { + unsigned long checkin_firstvpts = 0; + while (!checkin_firstvpts) { + if (audec->need_stop) { + return 0; + } + if (sysfs_get_int(TSYNC_CHECKIN_FIRSTVPTS, &checkin_firstvpts) == -1) { + adec_print("## [%s::%d] unable to get TSYNC_CHECKIN_FIRSTVPTS! \n", __FUNCTION__, __LINE__); + return -1; + } + if (count >= 50) { + adec_print("Unable to get checkin_firstvpts, failed to pre_droppcm\n"); + break; + } else if (checkin_firstvpts) { + adec_print("get checkin_firstvpts, checkin_firstvpts=0x%x\n",checkin_firstvpts); + break; + } + count++; + amthreadpool_thread_usleep(20000); // 20ms + } + if (checkin_firstvpts) { + apts = adec_calc_pts(audec); + diff = (apts > checkin_firstvpts) ? (apts - checkin_firstvpts) : (checkin_firstvpts - apts); + adec_print("before drop pre --apts 0x%x,checkin_firstvpts 0x%x,apts %s, diff 0x%x\n", apts, checkin_firstvpts, (apts > checkin_firstvpts) ? "big" : "small", diff); + if ((apts < checkin_firstvpts) && (diff < DROP_PCM_PTS_DIFF_THRESHHOLD)) { + droppts = checkin_firstvpts - apts; + audec->droppcm_ms = droppts / 90; + drop_size = (droppts / 90) * (audec->samplerate / 1000) * audec->channels * 2; + adec_print("[%s::%d]pre audec->samplerated = %d, audec->channels = %d! \n", __FUNCTION__, __LINE__, audec->samplerate, audec->channels); + adec_print("[%s::%d]pre droppts:0x%x, drop_size=%d, audio ahead %d,ahead pts value %d \n", __FUNCTION__, __LINE__, + droppts, drop_size, audio_ahead, pts_ahead_val); + if (droppcm_use_size(audec, drop_size) == -1) { + adec_print("[%s::%d] timeout! data not enough! \n", __FUNCTION__, __LINE__); + } + oldapts = apts; + apts = adec_calc_pts(audec); + diff = (apts > checkin_firstvpts) ? (apts - checkin_firstvpts) : (checkin_firstvpts - apts); + adec_print("after drop pre:--apts 0x%x,droped:0x%x, checkin_firstvpts 0x%x,apts %s, diff 0x%x\n", apts, apts - oldapts, checkin_firstvpts, (apts > checkin_firstvpts) ? "big" : "small", diff); + } + } + } + + if (droppcm_get_refpts(audec, &refpts) == -1) { + adec_print("[%s::%d] get refpts failed! \n", __FUNCTION__, __LINE__); + return -1; + } + + while (!audec->first_apts) { + unsigned long first_apts = 0; + + if (audec->need_stop) { + return 0; + } + + if (count > 10) { + break; + } + + first_apts = adec_calc_pts(audec); + + if (sysfs_get_int(TSYNC_FIRSTAPTS, &audec->first_apts) == -1) { + adec_print("## [%s::%d] unable to get first_apts! \n", __FUNCTION__, __LINE__); + return -1; + } + count++; + amthreadpool_thread_usleep(50000); // 50ms + adec_print("wait audec->first_apts first_apts = 0x%x, audec->first_apts = 0x%x\n", first_apts, audec->first_apts); + } + diff = (audec->first_apts > refpts) ? (audec->first_apts - refpts) : (refpts - audec->first_apts); + adec_print("before drop --audec->first_apts 0x%x,refpts 0x%x,audec->first_apts %s, diff 0x%x\n", audec->first_apts, refpts, (audec->first_apts > refpts) ? "big" : "small", diff); + { + sysfs_get_int(TSYNC_PCRSCR, &cur_pcr); + ioctl(audec->adsp_ops.amstream_fd, AMSTREAM_IOC_AB_STATUS, (unsigned long)&am_io); + adec_print("before drop ab_level=%x, cur_pcr=%x", am_io.status.data_len, cur_pcr); + } + if (property_get("media.amplayer.sync_switch_ms", value, NULL) > 0) { + sync_switch_ms = atoi(value); + } + + if (am_getconfig_bool("media.libplayer.show_firstframe") && + audec->tsync_mode == TSYNC_MODE_PCRMASTER) { + const char * show_first_frame = "/sys/class/video/show_first_frame_nosync"; + amsysfs_set_sysfs_int(show_first_frame, 1); + sync_switch_ms = 10000;//10s + } + adec_print("sync switch setting: %d ms \n", sync_switch_ms); + //auto switch -- if diff not too much, using slow sync + if (audec->first_apts >= refpts || diff / 90 < sync_switch_ms) { + //enable_slowsync_repeate(); + adec_print("diff less than %d (ms), use slowsync repeate mode \n", sync_switch_ms); + return 0; + } + //when start to play,may audio discontinue happens, in this case, don't drop pcm operation +#if 1 + else if (diff > DROP_PCM_PTS_DIFF_THRESHHOLD) { + adec_print("pts diff 0x%x bigger than %d (ms), don't drop pcm \n", diff, DROP_PCM_PTS_DIFF_THRESHHOLD * 1000 / 90000); + return 0; + } +#endif + // calculate ahead pcm size + droppcm_prop_ctrl(&audio_ahead, &pts_ahead_val); + + // drop pcm + droppts = refpts - audec->first_apts + pts_ahead_val * audio_ahead; + audec->droppcm_ms = droppts / 90; + drop_size = (droppts / 90) * (audec->samplerate / 1000) * audec->channels * 2; + adec_print("[%s::%d] audec->samplerated = %d, audec->channels = %d! \n", __FUNCTION__, __LINE__, audec->samplerate, audec->channels); + adec_print("[%s::%d] droppts:0x%x, drop_size=%d, audio ahead %d,ahead pts value %d \n", __FUNCTION__, __LINE__, + droppts, drop_size, audio_ahead, pts_ahead_val); + if (droppcm_use_size(audec, drop_size) == -1) { + adec_print("[%s::%d] timeout! data not enough! \n", __FUNCTION__, __LINE__); + } + + // show apts refpts after droppcm + if (sysfs_get_int(TSYNC_VPTS, &refpts) == -1) { + adec_print("## [%s::%d] unable to get vpts! \n", __FUNCTION__, __LINE__); + return -1; + } + + oldapts = audec->first_apts; + apts = adec_calc_pts(audec); + diff = (apts > refpts) ? (apts - refpts) : (refpts - apts); + adec_print("after drop:--apts 0x%x,droped:0x%x, vpts 0x%x,apts %s, diff 0x%x\n", apts, apts - oldapts, refpts, (apts > refpts) ? "big" : "small", diff); + if (diff > DROP_PCM_RESET_PCR_THRESHOLD){ + char buf[64]; + sprintf(buf, "0x%lx", apts); + adec_print("## [%s::%d] reset pcr =0x%x \n", __FUNCTION__, __LINE__); + if (amsysfs_set_sysfs_str(TSYNC_PCRSCR, buf)){ + adec_print("## [%s::%d] reset pcr error \n", __FUNCTION__, __LINE__); + } + } + + { + sysfs_get_int(TSYNC_PCRSCR, &cur_pcr); + ioctl(audec->adsp_ops.amstream_fd, AMSTREAM_IOC_AB_STATUS, (unsigned long)&am_io); + adec_print("after drop ab_level=%x, cur_pcr=%x", am_io.status.data_len, cur_pcr); + } + + endtime = gettime(); + adec_print("==starttime is :%lld ms endtime is:%lld ms usetime:%lld ms \n", starttime / 1000 , endtime / 1000 , (endtime - starttime) / 1000); + + return 0; +} + +/** + * \brief pause pts manager + * \return 0 on success otherwise -1 + */ +int adec_pts_pause(void) +{ + adec_print("adec_pts_pause"); + return amsysfs_set_sysfs_str(TSYNC_EVENT, "AUDIO_PAUSE"); +} + +/** + * \brief resume pts manager + * \return 0 on success otherwise -1 + */ +int adec_pts_resume(void) +{ + adec_print("adec_pts_resume"); + return amsysfs_set_sysfs_str(TSYNC_EVENT, "AUDIO_RESUME"); + +} + +/** + * \brief refresh current audio pts + * \param audec pointer to audec + * \return 0 on success otherwise -1 + */ +static int apts_interrupt = 0; +static int pcrmaster_droppcm_flag = 0; +static int pre_filltime = -1; +int adec_refresh_pts(aml_audio_dec_t *audec) +{ + unsigned long pts; + unsigned long systime; + unsigned long last_pts = audec->adsp_ops.last_audio_pts; + unsigned long last_kernel_pts = audec->adsp_ops.kernel_audio_pts; + int apts_start_flag = 0;//store the last flag + int samplerate = 48000; + int channels = 2; + char buf[64]; + char ret_val = -1; + if (audec->auto_mute == 1) { + return 0; + } + if (pre_filltime == -1) { + char value[PROPERTY_VALUE_MAX] = {0}; + if (property_get("media.amadec.prefilltime", value, NULL) > 0) { + pre_filltime = atoi(value); + } else { + pre_filltime = 170; + } + adec_print("[%s:%d] amadec- pre_filltime:%d ms. \n", __FUNCTION__, __LINE__, pre_filltime); + } + + apts_start_flag = audec->apts_start_flag; + //if the audio start has not been triggered to tsync,calculate the audio pcm data which writen to audiotrack + if (!audec->apts_start_flag) { + int latency; + int wait = pre_filltime; + if (audec->g_bst) { + samplerate = audec->g_bst->samplerate; + channels = audec->g_bst->channels; + } + //DSP decoder must have got audio info when feeder_init + else { + samplerate = audec->samplerate; + channels = audec->channels; + } + // 170 ms audio hal have triggered the output hw. + latency = audec->aout_ops.latency(audec); + if (latency > 0 && ((audec->pcm_bytes_readed * 1000 / (samplerate * channels * 2)) >= wait)) { + adec_print("unable to getsystime--\n\n [[[%lld,%d,%d,%d,%d]]]\n", + audec->pcm_bytes_readed + ,samplerate + ,channels + ,wait, + latency); + audec->apts_start_flag = 1; + if (!am_getconfig_bool("libplayer.slowsync.disable")) + enable_slowsync_repeate(); + } + } + memset(buf, 0, sizeof(buf)); + + systime = audec->adsp_ops.get_cur_pcrscr(&audec->adsp_ops); + if (systime == -1) { + adec_print("unable to getsystime"); + audec->pcrscr64 = 0; + return -1; + } + + /* get audio time stamp */ + pts = adec_calc_pts(audec); + if (pts != -1 && (apts_start_flag != audec->apts_start_flag)) { + adec_print("audio pts start from 0x%lx", pts); + sprintf(buf, "AUDIO_START:0x%lx", pts); + if (amsysfs_set_sysfs_str(TSYNC_EVENT, buf) == -1) { + return -1; + } + } + if (pts == -1 || last_pts == pts) { + //close(fd); + //if (pts == -1) { + audec->pcrscr64 = (int64_t)systime; + return -1; + //} + } +#if 1 + unsigned int u32_vpts = mysysfs_get_sysfs_int16(TSYNC_VPTS); + unsigned int last_checkin_apts = mysysfs_get_sysfs_int16(TSYNC_LAST_CHECKIN_APTS); + //int play_mode = mysysfs_get_sysfs_int(TSYNC_PCR_PLAY_MODE); + + if (audec->tsync_mode == TSYNC_MODE_PCRMASTER && audec->pcrtsync_enable + && ((((int64_t)pts) - audec->last_apts64 > TIME_UNIT90K / 10) || ((int64_t)pts < audec->last_apts64))) { + + int64_t apts64 = (int64_t)pts; + int64_t pcrscr64 = (int64_t)systime; + audec->apts64 = apts64; + audec->pcrscr64 = pcrscr64; + + if (audec->adis_flag && abs(audec->pcrscr64 - audec->last_apts64) > APTS_DISCONTINUE_THRESHOLD) { + audec->adis_flag = 0; + adec_print("[%s:%d] pcr discontinue: last_pcr:%llx, pcr:%llx, --\n", __FUNCTION__, __LINE__, audec->last_pcrscr64, audec->pcrscr64); + } + audec->last_pcrscr64 = pcrscr64; + if (apts64 < audec->last_apts64) { + audec->last_apts64 = apts64; + } + + unsigned int adiff = (unsigned int)((int64_t)last_checkin_apts - apts64); + adec_print("## tsync_mode:%d, pcr:%llx,apts:%llx, u32_vpts = 0x%x,lastapts:%llx, flag:%d,%d,---\n", + audec->tsync_mode, pcrscr64, apts64, u32_vpts, audec->last_apts64, pcrmaster_droppcm_flag, audec->adis_flag); + //adec_print("## tsync_mode:%d,apts:%llx,last_checkin_apts=0x%x,diff=%ld, play_mode=%d\n", + // audec->tsync_mode, apts64, last_checkin_apts, adiff, play_mode); + // drop pcm + if (pcrscr64 - apts64 > audec->pcrmaster_droppcm_thsh && abs(pcrscr64 - apts64) < 3 * 90000 && abs(u32_vpts - apts64) >= 45000) { + if (pcrmaster_droppcm_flag++ > 20) { + int drop_size, droppts; + droppts = pcrscr64 - apts64; + audec->droppcm_ms = droppts / 90; + drop_size = (droppts / 90) * (audec->samplerate / 1000) * audec->channels * 2; + pcrmaster_droppcm_flag = 0; + adec_print("## pcrmaster, droppcm pcr:%lx,apts:%lx,lastapts:%lx,---\n", systime, pts, last_pts); + + if (droppcm_use_size(audec, drop_size) == -1) { + adec_print("[%s::%d] timeout! data not enough! \n", __FUNCTION__, __LINE__); + } + } + } else { + pcrmaster_droppcm_flag = 0; + } + } +#endif + if ((abs(pts - last_pts) > APTS_DISCONTINUE_THRESHOLD) && (audec->adsp_ops.last_pts_valid)) { + /* report audio time interruption */ + adec_print("pts = %lx, last pts = %lx, u32_vpts=0x%x, pcr=0x%lx\n", pts, last_pts, u32_vpts, systime); + + adec_print("audio time interrupt: 0x%lx->0x%lx, 0x%lx\n", last_pts, pts, abs(pts - last_pts)); + int tsync_pcr_discontinue = 0; + unsigned int adiff = (unsigned int)((unsigned long)last_checkin_apts - pts); + if (audec->tsync_mode == TSYNC_MODE_PCRMASTER) { + tsync_pcr_discontinue = mysysfs_get_sysfs_int16(TSYNC_PCR_DISCONTINUE); + adec_print("%s,tsync_pcr_discontinue=0x%x-\n",__FUNCTION__,tsync_pcr_discontinue); + //adec_print("audio interrupt:%d,apts:%llx,last_checkin_apts=0x%x,diff=%ld, play_mode=%d\n", + // audec->tsync_mode, pts, last_checkin_apts, adiff,play_mode); + + } + if (audec->tsync_mode == TSYNC_MODE_PCRMASTER && audec->pcrtsync_enable && (tsync_pcr_discontinue & VIDEO_DISCONTINUE)) { + unsigned long tsync_pcr_dispoint = 0; + int count = 50; + audec->apts64 = (int64_t)pts; + audec->adis_flag = 0; + + do { + if (sysfs_get_int(TSYNC_PCR_DISPOINT, &tsync_pcr_dispoint) == -1) { + adec_print("## [%s::%d] unable to get TSYNC_PCR_DISPOINT! \n", __FUNCTION__, __LINE__); + audec->adis_flag = 100; + break; + } + amthreadpool_thread_usleep(20000); + count--; + } while (tsync_pcr_dispoint == 0 && count > 0); + + if (tsync_pcr_dispoint != 0) { + int64_t apts64 = (int64_t)pts; + int64_t pcrscr64 = (int64_t)tsync_pcr_dispoint; + audec->pcrscr64 = (int64_t)pcrscr64; + audec->tsync_pcr_dispoint = (int64_t)tsync_pcr_dispoint; + audec->adis_flag = 100; + + adec_print("## pcrmaster, tsync_pcr_dispoint,pcr:%lx,apts:%lx,lastapts:%lx,---\n", tsync_pcr_dispoint, pts, last_pts); + // drop pcm, if larger than 10s, not to drop pcm + if (pcrscr64 - apts64 > APTS_DISCONTINUE_THRESHOLD && pcrscr64 - apts64 < 10 * 90000) { + int drop_size, droppts; + droppts = pcrscr64 - apts64; + + audec->droppcm_ms = droppts / 90; + + drop_size = (droppts / 90) * (audec->samplerate / 1000) * audec->channels * 2; + adec_print("## pcrmaster, droppcm pcr:%lx,apts:%lx,lastapts:%lx,---\n", systime, pts, last_pts); + + if (droppcm_use_size(audec, drop_size) == -1) { + adec_print("[%s::%d] timeout! data not enough! \n", __FUNCTION__, __LINE__); + } + } + } + } + + sprintf(buf, "AUDIO_TSTAMP_DISCONTINUITY:0x%lx", pts); + + if (amsysfs_set_sysfs_str(TSYNC_EVENT, buf) == -1) { + adec_print("unable to open file %s,err: %s", TSYNC_EVENT, strerror(errno)); + return -1; + } + + audec->adsp_ops.last_audio_pts = pts; + audec->adsp_ops.last_pts_valid = 1; + adec_print("[%s:%d]set automute orig %d!\n", __FUNCTION__, __LINE__, audec->auto_mute); + audec->auto_mute = 0; + apts_interrupt = 5; + return 0; + } + + if (last_kernel_pts == audec->adsp_ops.kernel_audio_pts) { + audec->pcrscr64 = (int64_t)systime; + return 0; + } + + audec->adsp_ops.last_audio_pts = pts; + audec->adsp_ops.last_pts_valid = 1; + + if (abs(pts - systime) < audec->avsync_threshold) { + apts_interrupt = 0; + return 0; + } else if (apts_interrupt > 0) { + apts_interrupt --; + return 0; + } + + /* report apts-system time difference */ + if (!apts_start_flag) { + return 0; + } + + {/*add by zz*/ + /* + reget pts to make sure pts is calc has no errors. + because we may have accuracy problem on + many thread update the pts related infos. + */ + unsigned long re_getpts = adec_calc_pts(audec); + if (abs(pts - re_getpts) > 900) { /*100 ms * 10%*/ + /*ignore this diff.*/ + adec_print("## [%s::%d] ixet apts: %d ,%d \n", + __FUNCTION__, __LINE__, + pts, re_getpts); + return 0; + } else { + /*used new pts.*/ + pts = re_getpts; + } + } + if (audec->refresh_pts_readytime_ms > 0) { + /*pts_readytime not reached ,wait and delay reset apts.*/ + if (audec->refresh_pts_readytime_ms > gettime()/1000) + return 0; + audec->refresh_pts_readytime_ms = 0; + } +#if 0 + if (audec->apts_reset_scr_delay_ms > 0) { + unsigned long vpts = 0; + if ((vpts = mysysfs_get_sysfs_int16(TSYNC_VPTS)) < 0) { + adec_print("## [%s::%d] unable to get vpts! \n", __FUNCTION__, __LINE__); + return -1; + } + //adec_print("vpts %x,last apts %x \n,diff %x \n",vpts,audec->last_checkout_apts,abs(vpts-audec->last_discontinue_apts)); + if ((gettime() - audec->last_discontinue_time) < audec->apts_reset_scr_delay_ms * 1000 && (abs(vpts - audec->last_discontinue_apts) > audec->avsync_threshold)) { + return 0; + } else { + adec_print("after %lld ms,apts reset scr delay time out \n", (gettime() - audec->last_discontinue_time) / 1000); + audec->apts_reset_scr_delay_ms = 0; + } + } else if (abs(pts - last_pts) >= 90000 && abs(pts - last_pts) < APTS_DISCONTINUE_THRESHOLD) { + audec->last_discontinue_time = gettime(); + audec->last_discontinue_apts = pts; + audec->apts_reset_scr_delay_ms = audio_get_decoded_pcm_delay(audec)/*+audec->aout_ops.latency(audec)+100*/; + adec_print("apts reset time delay %d ms,pts diff 0x%x,timestamp %d ms \n", audec->apts_reset_scr_delay_ms, abs(pts - last_pts), + abs(pts - last_pts) / 90); + return 0; + } +#endif + + if (audec->adsp_ops.set_cur_apts) { + ret_val = audec->adsp_ops.set_cur_apts(&audec->adsp_ops, pts); + } else { + sprintf(buf, "0x%lx", pts); + ret_val = amsysfs_set_sysfs_str(TSYNC_APTS, buf); + } + if (ret_val == -1) { + adec_print("unable to open file %s,err: %s", TSYNC_APTS, strerror(errno)); + return -1; + } + if (abs(pts - systime) >= 90000 / 10) { + //adec_print("report apts as 0x%x,system pts=0x%x, difference= %ld\n", pts, systime, (pts - systime)); + } + return 0; +} + +/** + * \brief Disable or Enable av sync + * \param e 1 = enable, 0 = disable + * \return 0 on success otherwise -1 + */ +int avsync_en(int e) +{ + return amsysfs_set_sysfs_int(TSYNC_ENABLE, e); +} + +/** + * \brief calc pts when switch audio track + * \param audec pointer to audec + * \return 0 on success otherwise -1 + * + * When audio track switch occurred, use this function to judge audio should + * be played or not. If system time fall behind audio pts , and their difference + * is greater than SYSTIME_CORRECTION_THRESHOLD, auido should wait for + * video. Otherwise audio can be played. + */ +int track_switch_pts(aml_audio_dec_t *audec) +{ + unsigned long vpts; + unsigned long apts; + unsigned long pcr; + char buf[32]; + + memset(buf, 0, sizeof(buf)); + + pcr = audec->adsp_ops.get_cur_pcrscr(&audec->adsp_ops); + if (pcr == -1) { + adec_print("unable to get pcr"); + return 1; + } + + apts = adec_calc_pts(audec); + if (apts == -1) { + adec_print("unable to get apts"); + return 1; + } + + if ((apts > pcr) && (apts - pcr > 0x100000)) { + return 0; + } + + if (abs(apts - pcr) < audec->avsync_threshold || (apts <= pcr)) { + return 0; + } else { + return 1; + } + +} +static int vdec_pts_pause(void) +{ + char *path = "/sys/class/video_pause"; + return amsysfs_set_sysfs_int(path, 1); + +} +int vdec_pts_resume(void) +{ + adec_print("vdec_pts_resume\n"); + return amsysfs_set_sysfs_str(TSYNC_EVENT, "VIDEO_PAUSE:0x0"); +} + +#define DROPPCM_TMPBUF_SIZE (8*1024) +int droppcm_use_size(aml_audio_dec_t *audec, int drop_size) +{ + char value[PROPERTY_VALUE_MAX] = {0}; + char buffer[DROPPCM_TMPBUF_SIZE]; + int drop_duration = drop_size / audec->channels / 2 / audec->samplerate; + int nDropCount = 0; + int size = drop_size; + int ret = 0; + int drop_max_time = DROP_PCM_MAX_TIME; // unit:ms + int64_t start_time, nDropConsumeTime; + char platformtype[20]; + char *buffer_raw = NULL; + int drop_raw = 0; + int drop_raw_size = 0; + int nDropCount_raw = 0; + if (audec->codec_type > 0) { + buffer_raw = malloc(DROPPCM_TMPBUF_SIZE * audec->codec_type); + if (buffer_raw == NULL) { + adec_print("[%s %d]WARNING:malloc memory for buffer_raw failed!\n", __FUNCTION__, __LINE__); + } else { + drop_raw = 1; + } + } + memset(platformtype, 0, sizeof(platformtype)); + memset(value, 0, sizeof(value)); + if (property_get("media.amplayer.dropmaxtime", value, NULL) > 0) { + drop_max_time = atoi(value); + } + + if (audec->droppcm_ms > 50) { + drop_max_time = audec->droppcm_ms - 50; + } + memset(value, 0, sizeof(value)); + if (property_get("ro.board.platform", value, NULL) > 0) { + if (match_types("meson6", value)) { + memcpy(platformtype, "meson6", 6); + } else if (match_types("meson8", value)) { + memcpy(platformtype, "meson8", 6); + } + } + + start_time = gettime(); + adec_print("before droppcm: drop_size=%d, nDropCount:%d, drop_max_time:%d,platform:%s, ---\n", drop_size, nDropCount, drop_max_time, platformtype); + while (drop_size > 0 && !audec->need_stop/*&& drop_duration < DROP_PCM_DURATION_THRESHHOLD*/) { + ret = audec->adsp_ops.dsp_read(&audec->adsp_ops, buffer, MIN(drop_size, DROPPCM_TMPBUF_SIZE)); + if (drop_raw > 0 && ret > 0) { + drop_raw_size = ret * audec->codec_type; + nDropCount_raw = 0; + while (drop_raw_size > 0) { + drop_raw_size -= audec->adsp_ops.dsp_read_raw(&audec->adsp_ops, buffer_raw, drop_raw_size); + nDropCount_raw++; + if (nDropCount_raw > 10) { + adec_print("[%s %d]WARNING:no enough rawdata/%d to Drop,break!\n", __FUNCTION__, __LINE__, drop_raw_size); + break; + } + } + } + //apts = adec_calc_pts(audec); + //adec_print("==drop_size=%d, ret=%d, nDropCount:%d apts=0x%x,-----------------\n",drop_size, ret, nDropCount,apts); + nDropConsumeTime = gettime() - start_time; + if (nDropConsumeTime / 1000 > drop_max_time) { + adec_print("==ret:%d no pcm nDropCount:%d ,nDropConsumeTime:%lld reached drop_max_time:%d, \n", ret, nDropCount, nDropConsumeTime / 1000, drop_max_time); + drop_size -= ret; + ret = -1; + break; + } + if (ret == 0) { //no data in pcm buf + if (nDropCount >= 40) { + ret = -1; + break; + } else { + nDropCount++; + } + if (!strcmp(platformtype, "messon8")) { + amthreadpool_thread_usleep(50000); // 10ms + } else { + amthreadpool_thread_usleep(50000); // 50ms + } + adec_print("==ret:0 no pcm nDropCount:%d \n", nDropCount); + } else { + nDropCount = 0; + drop_size -= ret; + } + } + if (buffer_raw != NULL) { + free(buffer_raw); + } + adec_print("after droppcm: drop_size=%d, droped:%d, nDropConsumeTime:%lld us,---\n", drop_size, size - drop_size, nDropConsumeTime); + + return ret; +} + +void droppcm_prop_ctrl(int *audio_ahead, int *pts_ahead_val) +{ + char value[PROPERTY_VALUE_MAX] = {0}; + + if (am_getconfig_bool("media.libplayer.wfd")) { + *pts_ahead_val = *pts_ahead_val * 2 / 3; + } + + if (property_get("media.amplayer.apts", value, NULL) > 0) { + if (!strcmp(value, "slow")) { + *audio_ahead = -1; + } else if (!strcmp(value, "fast")) { + *audio_ahead = 1; + } + } + memset(value, 0, sizeof(value)); + if (property_get("media.amplayer.apts_val", value, NULL) > 0) { + *pts_ahead_val = atoi(value); + } +} + +int droppcm_get_refpts(aml_audio_dec_t *audec, unsigned long *refpts) +{ + char value[PROPERTY_VALUE_MAX] = {0}; + char buf[32]; + char tsync_mode_str[10]; + int tsync_mode; + int circount = 3000; // default: 3000ms + int refmode = TSYNC_MODE_AMASTER; + int64_t start_time = gettime(); + unsigned long firstvpts = 0; + unsigned long cur_vpts = 0; + audio_out_operations_t * aout_ops = &audec->aout_ops; + if (amsysfs_get_sysfs_str(TSYNC_MODE, buf, sizeof(buf)) == -1) { + adec_print("unable to get tsync_mode from: %s", buf); + return -1; + } + if (sscanf(buf, "%d: %s", &tsync_mode, tsync_mode_str) < 1) { + adec_print("unable to get tsync_mode from: %s", buf); + return -1; + } + if ((tsync_mode == TSYNC_MODE_AMASTER && !strcmp(tsync_mode_str, "amaster")) + || (tsync_mode == TSYNC_MODE_VMASTER && !strcmp(tsync_mode_str, "vmaster") && audec->droppcm_flag)/* switch audio flag, firstvpts is unvalid when switch audio*/) { + refmode = TSYNC_MODE_AMASTER; + } else if (tsync_mode == TSYNC_MODE_VMASTER && !strcmp(tsync_mode_str, "vmaster") && !audec->droppcm_flag) { + refmode = TSYNC_MODE_VMASTER; + } else if (tsync_mode == TSYNC_MODE_PCRMASTER && !strcmp(tsync_mode_str, "pcrmaster")) { + refmode = TSYNC_MODE_PCRMASTER; + } + + adec_print("## [%s::%d] refmode:%d, tsync_mode:%d,%s, droppcm_flag:%d, ---\n", __FUNCTION__, __LINE__, + refmode, tsync_mode, tsync_mode_str, audec->droppcm_flag); + if (refmode == TSYNC_MODE_AMASTER || refmode == TSYNC_MODE_VMASTER) { + if (sysfs_get_int(TSYNC_VPTS, refpts) == -1) { + adec_print("## [%s::%d] unable to get vpts! \n", __FUNCTION__, __LINE__); + return -1; + } + adec_print("## [%s::%d] default vpts:0x%x, ---\n", __FUNCTION__, __LINE__, *refpts); + } else if (tsync_mode == TSYNC_MODE_PCRMASTER && !strcmp(tsync_mode_str, "pcrmaster")) { + if (sysfs_get_int(TSYNC_PCRSCR, refpts) == -1) { + adec_print("## [%s::%d] unable to get pts_pcrscr! \n", __FUNCTION__, __LINE__); + return -1; + } + int wait_count = 0; + while ((*refpts) == 0) { + if (audec->need_stop) { + return 0; + } + sysfs_get_int(TSYNC_PCRSCR, refpts); + //amthreadpool_thread_usleep(100000); + wait_count++; + adec_print("## [%s::%d] wait_count = %d, refpts = 0x%x ---\n", __FUNCTION__, __LINE__, wait_count, *refpts); + if (wait_count == 1) { //wait 2s + break; + } + } + adec_print("## [%s::%d] pcrmaster, refpts:0x%x, ---\n", __FUNCTION__, __LINE__, *refpts); + } + + memset(value, 0, sizeof(value)); + if (property_get("media.amplayer.dropwaitxms", value, NULL) > 0) { + circount = atoi(value); + } + adec_print("drop wait max ms = %d \n", circount); + + //media.amplayer.refmode : 0 vpts 1 other case +#if 0 + int use_vpts = 1; + if (property_get("media.amplayer.refmode", value, NULL) > 0) { + if (atoi(value) != 0) { + use_vpts = 0; + } + } + + if (use_vpts == 0) { + return 0; + } + adec_print("drop pcm use_vpts = %d \n", use_vpts); +#endif + + unsigned long checkin_firstvpts = 0; + while ((!firstvpts || !checkin_firstvpts)) { + if (audec->need_stop) { + return 0; + } + aout_ops = &audec->aout_ops; + if (aout_ops) { + /*cts if audio track rate is set,skip */ + if (aout_ops->track_rate != 8.8f) + return 0; + } + if (sysfs_get_int(TSYNC_FIRSTVPTS, &firstvpts) == -1) { + adec_print("## [%s::%d] unable to get firstpts! \n", __FUNCTION__, __LINE__); + return -1; + } + + if (sysfs_get_int(TSYNC_CHECKIN_FIRSTVPTS, &checkin_firstvpts) == -1) { + adec_print("## [%s::%d] unable to get TSYNC_CHECKIN_FIRSTVPTS! \n", __FUNCTION__, __LINE__); + return -1; + } + + if (gettime() - start_time >= (circount * 1000)) { + adec_print("## [%s::%d] max time reached! %d ms \n", __FUNCTION__, __LINE__, circount); + break; + } + amthreadpool_thread_usleep(10000); // 10ms + } + adec_print("## [%s::%d] firstvpts:0x%x, use:%lld us, maxtime:%d ms, ---\n", __FUNCTION__, __LINE__, firstvpts, gettime() - start_time, circount); + + if (sysfs_get_int(TSYNC_VPTS, &cur_vpts) == -1) { + adec_print("## [%s::%d] unable to get vpts! \n", __FUNCTION__, __LINE__); + return -1; + } + + if (audec->tsync_mode == TSYNC_MODE_PCRMASTER) { + if (cur_vpts && cur_vpts < firstvpts && cur_vpts != checkin_firstvpts) { + *refpts = cur_vpts; + } else if (firstvpts) { + *refpts = firstvpts; + } else { + *refpts = checkin_firstvpts; + } + } else { + if (firstvpts) { + *refpts = firstvpts; + } else { + *refpts = cur_vpts; + } + } + adec_print("## [%s::%d] cur_vpts:0x%x,checkin_firstvpts=0x%x,firstvpts:0x%x refpts:0x%x, ---\n", + __FUNCTION__, __LINE__, cur_vpts, checkin_firstvpts, firstvpts, *refpts); + + + return 0; +} + +int adec_get_tsync_info(int *tsync_mode) +{ + char value[PROPERTY_VALUE_MAX] = {0}; + char buf[32]; + char tsync_mode_str[10]; + + if (amsysfs_get_sysfs_str(TSYNC_MODE, buf, sizeof(buf)) == -1) { + adec_print("unable to get tsync_mode from: %s", buf); + return -1; + } + if (sscanf(buf, "%d: %s", tsync_mode, tsync_mode_str) < 1) { + adec_print("unable to get tsync_mode from: %s", buf); + return -1; + } + + if (tsync_mode == TSYNC_MODE_AMASTER && !strcmp(tsync_mode_str, "amaster")) { + *tsync_mode = TSYNC_MODE_AMASTER; + } else if (tsync_mode == TSYNC_MODE_VMASTER && !strcmp(tsync_mode_str, "vmaster")) { + *tsync_mode = TSYNC_MODE_VMASTER; + } else if (tsync_mode == TSYNC_MODE_PCRMASTER && !strcmp(tsync_mode_str, "pcrmaster")) { + *tsync_mode = TSYNC_MODE_PCRMASTER; + } + + return *tsync_mode; +} diff --git a/amadec/adec-pts-mgt.h b/amadec/adec-pts-mgt.h new file mode 100644 index 0000000..517b69a --- a/dev/null +++ b/amadec/adec-pts-mgt.h @@ -0,0 +1,82 @@ +/** + * \file adec-pts-mgt.h + * \brief Function prototypes of Pts manage. + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#ifndef ADEC_PTS_H +#define ADEC_PTS_H + +#include +#define TIME_UNIT90K 90000 +ADEC_BEGIN_DECLS + +typedef enum { + TSYNC_MODE_VMASTER, + TSYNC_MODE_AMASTER, + TSYNC_MODE_PCRMASTER, +} tsync_mode_t; + +#define AMSTREAM_IOC_MAGIC 'S' +#define AMSTREAM_IOC_GET_LAST_CHECKIN_APTS _IOR(AMSTREAM_IOC_MAGIC, 0xa9, unsigned long) +#define AMSTREAM_IOC_GET_LAST_CHECKIN_VPTS _IOR(AMSTREAM_IOC_MAGIC, 0xaa, unsigned long) +#define AMSTREAM_IOC_GET_LAST_CHECKOUT_APTS _IOR(AMSTREAM_IOC_MAGIC, 0xab, unsigned long) +#define AMSTREAM_IOC_GET_LAST_CHECKOUT_VPTS _IOR(AMSTREAM_IOC_MAGIC, 0xac, unsigned long) +#define AMSTREAM_IOC_AB_STATUS _IOR(AMSTREAM_IOC_MAGIC, 0x09, int) + +#define TSYNC_PCR_DISPOINT "/sys/class/tsync_pcr/tsync_pcr_discontinue_point" +#define TSYNC_PCRSCR "/sys/class/tsync/pts_pcrscr" +#define TSYNC_EVENT "/sys/class/tsync/event" +#define TSYNC_APTS "/sys/class/tsync/pts_audio" +#define TSYNC_VPTS "/sys/class/tsync/pts_video" +#define TSYNC_ENABLE "/sys/class/tsync/enable" +#define TSYNC_LAST_CHECKIN_APTS "/sys/class/tsync/last_checkin_apts" +#define TSYNC_MODE "/sys/class/tsync/mode" +#define TSYNC_FIRSTVPTS "/sys/class/tsync/firstvpts" +#define TSYNC_FIRSTAPTS "/sys/class/tsync/firstapts" +#define TSYNC_CHECKIN_FIRSTVPTS "/sys/class/tsync/checkin_firstvpts" +#define TSYNC_PCR_DISCONTINUE "/sys/class/tsync_pcr/tsync_pcr_discontinue" +#define TSYNC_PCR_PLAY_MODE "/sys/class/tsync_pcr/play_mode" + +#define SYSTIME_CORRECTION_THRESHOLD (90000*6/100)//modified for amlogic-pd-91949 +#define APTS_DISCONTINUE_THRESHOLD (90000*3) +#define REFRESH_PTS_TIME_MS (1000/10) +#define VIDEO_DISCONTINUE 0x02 + +//#define abs(x) ({ \ +// long __x = (x); \ +// (__x < 0) ? -__x : __x; \ +// }) + + +/**********************************************************************/ +int sysfs_get_int(char *path, unsigned long *val); +unsigned long adec_calc_pts(aml_audio_dec_t *audec); +int adec_pts_start(aml_audio_dec_t *audec); +int adec_pts_pause(void); +int adec_pts_resume(void); +int adec_refresh_pts(aml_audio_dec_t *audec); +int avsync_en(int e); +int track_switch_pts(aml_audio_dec_t *audec); +int adec_get_tsync_info(int *tsync_mode); + +struct buf_status { + int size; + int data_len; + int free_len; + unsigned int read_pointer; + unsigned int write_pointer; +}; + +struct am_io_param { + int data; + int len; //buffer size; + struct buf_status status; +}; +ADEC_END_DECLS + +#endif diff --git a/amadec/adec-wfd-out.cpp b/amadec/adec-wfd-out.cpp new file mode 100644 index 0000000..e184560 --- a/dev/null +++ b/amadec/adec-wfd-out.cpp @@ -0,0 +1,361 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +//get android media stream volume +#define CODE_CALC_VOLUME +#ifdef CODE_CALC_VOLUME +#include +#define EXTERN_TAG extern "C" +namespace android +{ +#else +#define EXTERN_TAG +#endif +#define LOG_TAG "wfd-output" +#define adec_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) + +// default using tinyalsa +#include + + + +//"/sys/class/switch/hdmi/state" +#define HDMI_SWITCH_STATE_PATH "/sys/class/amhdmitx/amhdmitx0/hpd_state" + +// audio PCM output configuration +#define WFD_PERIOD_SIZE 1024 +#define WFD_PERIOD_NUM 4 +static struct pcm_config wfd_config_out; +static struct pcm *wfd_pcm; +static char cache_buffer_bytes[64]; +static int cached_len=0; +static const char *const SOUND_CARDS_PATH = "/proc/asound/cards"; +static int tv_mode = 0; +static int getprop_bool(const char * path) +{ + char buf[PROPERTY_VALUE_MAX]; + int ret = -1; + ret = property_get(path, buf, NULL); + if (ret > 0) { + if (strcasecmp(buf,"true") == 0 || strcmp(buf,"1") == 0) { + return 1; + } + } + return 0; +} +static int get_hdmi_switch_state() +{ + return 0; +#if 0 + int state = 0; + int fd = -1; + char bcmd[16] = {0}; + fd = open(HDMI_SWITCH_STATE_PATH, O_RDONLY); + if (fd >= 0) { + read(fd, bcmd, sizeof(bcmd)); + state = strtol(bcmd, NULL, 10); + close(fd); + }else { + adec_print("unable to open file %s,err: %s", HDMI_SWITCH_STATE_PATH, strerror(errno)); + } + return state; +#endif +} +#ifdef CODE_CALC_VOLUME +// save the last volume in case get vol failure, which cause the volume value large gap +static float last_vol = 1.0; +static float get_android_stream_volume() +{ + float vol = last_vol; +#if defined(ANDROID_VERSION_JBMR2_UP) + unsigned int sr = 0; +#else + int sr = 0; +#endif +#if ANDROID_PLATFORM_SDK_VERSION >= 21 + audio_stream_type_t media_type = AUDIO_STREAM_SYSTEM; +#else + audio_stream_type_t media_type = AUDIO_STREAM_MUSIC; +#endif + + AudioSystem::getOutputSamplingRate(&sr,AUDIO_STREAM_MUSIC); + if(sr > 0){ + audio_io_handle_t handle = -1; + handle = AudioSystem::getOutput(AUDIO_STREAM_MUSIC, + 48000, + AUDIO_FORMAT_PCM_16_BIT, + AUDIO_CHANNEL_OUT_STEREO, +#if defined(_VERSION_ICS) + AUDIO_POLICY_OUTPUT_FLAG_INDIRECT +#else //JB... + AUDIO_OUTPUT_FLAG_PRIMARY +#endif + ); + if(handle > 0){ + if(AudioSystem::getStreamVolume(media_type,&vol,handle) == NO_ERROR){ + last_vol = vol; + // adec_print("stream volume %f \n",vol); + } + else + adec_print("get stream volume failed\n"); + } + else + adec_print("get output handle failed\n"); + } + return vol; + +} +static void apply_stream_volume(float vol,char *buf,int size) +{ + int i; + short *sample = (short*)buf; + for(i = 0;i < size/sizeof(short);i++) + sample[i] = vol*sample[i]; +} +#endif +static int get_aml_card(){ + int card = -1, err = 0; + int fd = -1; + unsigned fileSize = 512; + char *read_buf = NULL, *pd = NULL; + fd = open(SOUND_CARDS_PATH, O_RDONLY); + if (fd < 0) { + adec_print("ERROR: failed to open config file %s error: %d\n", SOUND_CARDS_PATH, errno); + close(fd); + return -EINVAL; + } + + read_buf = (char *)malloc(fileSize); + if (!read_buf) { + adec_print("Failed to malloc read_buf"); + close(fd); + return -ENOMEM; + } + memset(read_buf, 0x0, fileSize); + err = read(fd, read_buf, fileSize); + if (fd < 0) { + adec_print("ERROR: failed to read config file %s error: %d\n", SOUND_CARDS_PATH, errno); + free(read_buf); + close(fd); + return -EINVAL; + } + pd = strstr(read_buf, "AML"); + card = *(pd - 3) - '0'; + +OUT: + free(read_buf); + close(fd); + return card; +} +static int get_spdif_port() { + return 0; +#if 0 + int port = -1, err = 0; + int fd = -1; + unsigned fileSize = 512; + char *read_buf = NULL, *pd = NULL; + static const char *const SOUND_PCM_PATH = "/proc/asound/pcm"; + fd = open(SOUND_PCM_PATH, O_RDONLY); + if (fd < 0) { + adec_print("ERROR: failed to open config file %s error: %d\n", SOUND_PCM_PATH, errno); + close(fd); + return -EINVAL; + } + + read_buf = (char *)malloc(fileSize); + if (!read_buf) { + adec_print("Failed to malloc read_buf"); + close(fd); + return -ENOMEM; + } + memset(read_buf, 0x0, fileSize); + err = read(fd, read_buf, fileSize); + if (fd < 0) { + adec_print("ERROR: failed to read config file %s error: %d\n", SOUND_PCM_PATH, errno); + free(read_buf); + close(fd); + return -EINVAL; + } + pd = strstr(read_buf, "SPDIF"); + if(!pd) + goto OUT; + adec_print("%s \n",pd ); + + port = *(pd -3) - '0'; + adec_print("%s \n",(pd -3) ); + +OUT: + free(read_buf); + close(fd); + return port; +#endif +} + +EXTERN_TAG int pcm_output_init(int sr,int ch) +{ + int card = 0; + int device = 2; + cached_len = 0; + tv_mode = getprop_bool("ro.platform.has.tvuimode"); + wfd_config_out.channels = 2; + wfd_config_out.rate = 48000; + wfd_config_out.period_size = WFD_PERIOD_SIZE; + wfd_config_out.period_count = WFD_PERIOD_NUM; + wfd_config_out.format = PCM_FORMAT_S16_LE; + wfd_config_out.start_threshold = WFD_PERIOD_SIZE; + wfd_config_out.avail_min = 0;//SHORT_PERIOD_SIZE; + card = get_aml_card(); + if(card < 0) + { + card = 0; + adec_print("get aml card fail, use default \n"); + } + // if hdmi state on + if(get_hdmi_switch_state()) + device = get_spdif_port(); + else + device = 0; //i2s output for analog output + if(device < 0) + { + device = 0; + adec_print("get aml card device fail, use default \n"); + } + device = 0; + adec_print("open output device card %d, device %d \n",card,device); + if(sr < 32000|| sr > 48000 || ch != 2){ + adec_print("wfd output: not right parameter sr %d,ch %d \n",sr,ch); + return -1; + } + wfd_config_out.rate = sr; + wfd_config_out.channels = ch; + if (tv_mode) { + wfd_config_out.channels = 8; + wfd_config_out.format = PCM_FORMAT_S32_LE; + wfd_config_out.period_size = WFD_PERIOD_SIZE; + wfd_config_out.period_count = WFD_PERIOD_NUM; + wfd_config_out.start_threshold = WFD_PERIOD_SIZE; + } + wfd_pcm = pcm_open(card, device, PCM_OUT /*| PCM_MMAP | PCM_NOIRQ*/, &wfd_config_out); + if (!pcm_is_ready(wfd_pcm)) { + adec_print("wfd cannot open pcm_out driver: %s", pcm_get_error(wfd_pcm)); + pcm_close(wfd_pcm); + return -1; + } + adec_print("pcm_output_init done wfd : %p,\n",wfd_pcm); + return 0; + +} + +EXTERN_TAG int pcm_output_write(char *buf,unsigned size) +{ + + int ret = 0; + char *data, *data_dst; + char *data_src; + char outbuf[8192]; + int total_len,ouput_len; +#ifdef CODE_CALC_VOLUME + float vol = get_android_stream_volume(); + apply_stream_volume(vol,buf,size); +#endif + if(size < 64) + return 0; + if(size > sizeof(outbuf)){ + adec_print("write size tooo big %d \n",size); + } + total_len = size + cached_len; + + //adec_print("total_len(%d) = + cached_len111(%d)", size, cached_len); + + data_src = (char *)cache_buffer_bytes; + data_dst = (char *)outbuf; + + + + /*write_back data from cached_buffer*/ + if(cached_len){ + memcpy((void *)data_dst, (void *)data_src, cached_len); + data_dst += cached_len; + } + ouput_len = total_len &(~0x3f); + data = (char*)buf; + + memcpy((void *)data_dst, (void *)data, ouput_len-cached_len); + data += (ouput_len-cached_len); + cached_len = total_len & 0x3f; + data_src = (char *)cache_buffer_bytes; + + /*save data to cached_buffer*/ + if(cached_len){ + memcpy((void *)data_src, (void *)data, cached_len); + } + char *write_buf = outbuf; + int *tmp_buffer = NULL; + if (tv_mode) { + tmp_buffer = (int*)malloc(ouput_len*8); + if (tmp_buffer == NULL) { + ALOGE("malloc tmp_buffer failed\n"); + return -1; + } + int i; + int out_frames = ouput_len/4; + short *in_buffer = (short*)outbuf; + for (i = 0; i < out_frames; i ++) { + tmp_buffer[8*i] = ((int)(in_buffer[2*i])) << 16; + tmp_buffer[8*i + 1] = ((int)(in_buffer[2*i + 1])) << 16; + tmp_buffer[8*i + 2] = ((int)(in_buffer[2*i])) << 16; + tmp_buffer[8*i + 3] = ((int)(in_buffer[2*i + 1])) << 16; + tmp_buffer[8*i + 4] = 0; + tmp_buffer[8*i + 5] = 0; + tmp_buffer[8*i + 6] = 0; + tmp_buffer[8*i + 7] = 0; + } + write_buf = (char*)tmp_buffer; + ouput_len = ouput_len*8; + } + ret = pcm_write(wfd_pcm,write_buf,ouput_len); + if(ret < 0 ){ + adec_print("pcm_output_write failed ? \n"); + } + if (tmp_buffer) { + free(tmp_buffer); + } + //adec_print("write size %d ,ret %d \n",size,ret); + return ret; +} +EXTERN_TAG int pcm_output_uninit() +{ + if(wfd_pcm) + pcm_close(wfd_pcm); + wfd_pcm = NULL; + adec_print("pcm_output_uninit done \n"); + return 0; +} +EXTERN_TAG int pcm_output_latency() +{ +#if 1 + struct timespec tstamp; + unsigned int avail = 0; + int ret; + ret = pcm_get_htimestamp(wfd_pcm,&avail, &tstamp); + //adec_print("pcm_get_latency ret %d,latency %d \n",ret,avail*1000/48000); + if(ret) + return ret; + else + return avail*1000/wfd_config_out.rate; +#else + return pcm_hw_lantency(wfd_pcm); +#endif +} +#ifdef CODE_CALC_VOLUME +} +#endif diff --git a/amadec/adec-wfd.c b/amadec/adec-wfd.c new file mode 100644 index 0000000..c1faf4d --- a/dev/null +++ b/amadec/adec-wfd.c @@ -0,0 +1,811 @@ +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include "audiodsp_update_format.h" + +typedef struct { + int codec_id; + char name[64]; +} audio_lib_t; + +typedef int (*fn_pcm_output_init)(int sr, int ch); +typedef int (*fn_pcm_output_write)(char *buf, unsigned size); +typedef int (*fn_pcm_output_uninit)(); +typedef int (*fn_pcm_output_latency)(); + + +typedef void (*fn_audio_set_exit_flag)(); + + +static audio_lib_t wfd_audio_lib_list[] = { + {ACODEC_FMT_WIFIDISPLAY, "libpcm_wfd.so"}, + {ACODEC_FMT_AAC, "libaac_helix.so"}, + 0 +} ; +static audio_decoder_operations_t WFDAudioDecoder = { + "WFDDecoder", + AUDIO_ARM_DECODER, + 0, +}; + +static fn_pcm_output_init wfd_out_init = NULL; +static fn_pcm_output_write wfd_out_write = NULL; +static fn_pcm_output_uninit wfd_out_uninit = NULL; +static fn_pcm_output_latency wfd_out_latency = NULL; + + +static fn_audio_set_exit_flag wfd_adec_exit = NULL; +static void *dec_mLibHandle = NULL; +static void *out_mLibHandle = NULL; +static void *audio_wfd_decode_loop(void *args); +static void stop_wfd_decode_thread(aml_audio_dec_t *audec); +static int wfd_register_audio_lib(aml_audio_dec_t *audec) +{ + int i; + int num; + audio_lib_t *f; + adec_print("wfd audec->format %d,audec->codec_id %x", audec->format, audec->codec_id); + num = ARRAY_SIZE(wfd_audio_lib_list); + audio_decoder_operations_t *adec_ops = audec->adec_ops; + for (i = 0; i < num; i++) { + f = &wfd_audio_lib_list[i]; + if (f->codec_id == audec->format) { + dec_mLibHandle = dlopen(wfd_audio_lib_list[i].name, RTLD_NOW); + if (dec_mLibHandle) { + adec_ops->init = dlsym(dec_mLibHandle, "audio_dec_init"); + adec_ops->decode = dlsym(dec_mLibHandle, "audio_dec_decode"); + adec_ops->release = dlsym(dec_mLibHandle, "audio_dec_release"); + adec_ops->getinfo = dlsym(dec_mLibHandle, "audio_dec_getinfo"); + wfd_adec_exit = dlsym(dec_mLibHandle, "audio_set_exit_flag"); + if (!adec_ops->init || !adec_ops->decode || !adec_ops->release || !adec_ops->getinfo || !wfd_adec_exit) { + adec_print("in %s,decode func not implemented %p %p %p %p \n", wfd_audio_lib_list[i].name, \ + adec_ops->init, adec_ops->decode, adec_ops->release, adec_ops->getinfo); + goto error; + } + } else { + adec_print("wfd cant find decoder lib\n"); + goto error; + } + return 0; + } + } +error: + if (dec_mLibHandle) { + dlclose(dec_mLibHandle); + } + dec_mLibHandle = NULL; + return -1; +} +static int wfd_register_output_lib(aml_audio_dec_t *audec) +{ + out_mLibHandle = dlopen("libamadec_wfd_out.so", RTLD_NOW); + if (out_mLibHandle) { + wfd_out_init = dlsym(out_mLibHandle, "pcm_output_init"); + wfd_out_write = dlsym(out_mLibHandle, "pcm_output_write"); + wfd_out_uninit = dlsym(out_mLibHandle, "pcm_output_uninit"); + wfd_out_latency = dlsym(out_mLibHandle, "pcm_output_latency"); + + if (!wfd_out_init || !wfd_out_write || !wfd_out_uninit || !wfd_out_latency) { + adec_print("wfd load output lib api failed\n"); + goto error; + } + } else { + goto error; + } + return 0; +error: + if (out_mLibHandle) { + dlclose(out_mLibHandle); + } + out_mLibHandle = NULL; + return -1; + + +} +static void wfd_unregister_lib() +{ + if (out_mLibHandle) { + dlclose(out_mLibHandle); + } + out_mLibHandle = NULL; + if (dec_mLibHandle) { + dlclose(dec_mLibHandle); + } + dec_mLibHandle = NULL; +} +extern int read_buffer(unsigned char *buffer, int size); + + +static int wfd_dec_pcm_read(dsp_operations_t *dsp_ops, char *buffer, int len) +{ + return 0; +} +static unsigned long wfd_dec_get_pts(dsp_operations_t *dsp_ops) +{ + unsigned long val, offset; + unsigned long pts; + int data_width, channels, samplerate; + unsigned long long frame_nums ; + unsigned long delay_pts; + samplerate = 48000; + aml_audio_dec_t *audec = (aml_audio_dec_t *)dsp_ops->audec; + offset = audec->decode_offset; + + if (dsp_ops->dsp_file_fd >= 0) { + ioctl(dsp_ops->dsp_file_fd, AMSTREAM_IOC_APTS_LOOKUP, &offset); + } else { + adec_print("====abuf have not open!\n", val); + } + pts = offset; + if (pts == 0) { + if (audec->last_valid_pts) { + pts = audec->last_valid_pts; + } + frame_nums = (audec->out_len_after_last_valid_pts * 8 / (16 * 2)); + adec_print("decode_offset:%d out_pcm:%d pts:%d \n", audec->decode_offset, audec->out_len_after_last_valid_pts, pts); + pts += (frame_nums * 90000 / samplerate); + return pts; + } + audec->last_valid_pts = pts; + audec->out_len_after_last_valid_pts = 0; + return pts; +} + +static unsigned long wfd_dec_get_pcrscr(dsp_operations_t *dsp_ops) +{ + unsigned long val; + if (dsp_ops->dsp_file_fd < 0) { + adec_print("read error!! audiodsp have not opened\n"); + return -1; + } + ioctl(dsp_ops->dsp_file_fd, AMSTREAM_IOC_PCRSCR, &val); + return val; +} +unsigned long wfd_dec_set_pts(dsp_operations_t *dsp_ops, unsigned long apts) +{ + if (dsp_ops->dsp_file_fd < 0) { + adec_print("armdec_set_apts err!\n"); + return -1; + } + ioctl(dsp_ops->dsp_file_fd, AMSTREAM_IOC_SET_APTS, &apts); + return 0; +} +static int wfd_dec_set_skip_bytes(dsp_operations_t* dsp_ops, unsigned int bytes) +{ + return 0; +} +static int set_sysfs_int(const char *path, int val) +{ + return amsysfs_set_sysfs_int(path, val); +} + + +static int wfd_audio_codec_release(aml_audio_dec_t *audec) +{ + if (wfd_adec_exit) { + wfd_adec_exit(); + } + stop_wfd_decode_thread(audec); + if (wfd_out_uninit) { + wfd_out_uninit(); + } + audec->adec_ops->release(audec->adec_ops); + wfd_unregister_lib(); + adec_print("wfd audio_codec_release done\n"); + return 0; +} + + +static int get_first_apts_flag(dsp_operations_t *dsp_ops) +{ + int val; + if (dsp_ops->dsp_file_fd < 0) { + adec_print("[%s %d]read error!! audiodsp have not opened\n", __FUNCTION__, __LINE__); + return -1; + } + ioctl(dsp_ops->dsp_file_fd, GET_FIRST_APTS_FLAG, &val); + return val; +} + + +/** + * \brief start audio dec when receive START command. + * \param audec pointer to audec + */ +static void start_adec(aml_audio_dec_t *audec) +{ + int ret; + audio_out_operations_t *aout_ops = &audec->aout_ops; + dsp_operations_t *dsp_ops = &audec->adsp_ops; + unsigned long vpts, apts; + int times = 0; + char buf[32]; + apts = vpts = 0; + audec->no_first_apts = 0; + + if (audec->state == INITTED) { + audec->state = ACTIVE; + //get info from the audiodsp == can get from amstreamer + while ((!get_first_apts_flag(dsp_ops)) && (!audec->need_stop) && (!audec->no_first_apts)) { + adec_print("wait first pts checkin complete !"); + times++; + if (times >= 5) { + amsysfs_get_sysfs_str(TSYNC_VPTS, buf, sizeof(buf));// read vpts + if (sscanf(buf, "0x%lx", &vpts) < 1) { + adec_print("unable to get vpts from: %s", buf); + return; + } + // save vpts to apts + adec_print("## can't get first apts, save vpts to apts,vpts=%lx, \n", vpts); + sprintf(buf, "0x%lx", vpts); + amsysfs_set_sysfs_str(TSYNC_APTS, buf); + audec->no_first_apts = 1; + } + amthreadpool_thread_usleep(100000); + } + + /*start the the pts scr,...*/ + ret = adec_pts_start(audec); + if (audec->auto_mute) { + avsync_en(0); + adec_pts_pause(); + while ((!audec->need_stop) && track_switch_pts(audec)) { + amthreadpool_thread_usleep(1000); + } + avsync_en(1); + adec_pts_resume(); + audec->auto_mute = 0; + } +#ifdef OUT_USE_AUDIOTRACK + aout_ops->start(audec); +#endif + } +} + +/** + * \brief pause audio dec when receive PAUSE command. + * \param audec pointer to audec + */ +static void pause_adec(aml_audio_dec_t *audec) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + if (audec->state == ACTIVE) { + audec->state = PAUSED; + adec_pts_pause(); +#ifdef OUT_USE_AUDIOTRACK + aout_ops->pause(audec); +#endif + } +} + +/** + * \brief resume audio dec when receive RESUME command. + * \param audec pointer to audec + */ +static void resume_adec(aml_audio_dec_t *audec) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + if (audec->state == PAUSED) { + audec->state = ACTIVE; +#ifdef OUT_USE_AUDIOTRACK + aout_ops->resume(audec); +#endif + adec_pts_resume(); + } +} + +/** + * \brief stop audio dec when receive STOP command. + * \param audec pointer to audec + */ +static void stop_adec(aml_audio_dec_t *audec) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + adec_print("[%s %d]audec->state/%d\n", __FUNCTION__, __LINE__, audec->state); + if (audec->state > INITING) { + audec->state = STOPPED; +#ifdef OUT_USE_AUDIOTRACK + aout_ops->mute(audec, 1); //mute output, some repeat sound in audioflinger after stop + aout_ops->stop(audec); +#endif + wfd_audio_codec_release(audec); + } +} + +/** + * \brief release audio dec when receive RELEASE command. + * \param audec pointer to audec + */ +static void release_adec(aml_audio_dec_t *audec) +{ + audec->state = TERMINATED; +} + +/** + * \brief mute audio dec when receive MUTE command. + * \param audec pointer to audec + * \param en 1 = mute, 0 = unmute + */ +static void mute_adec(aml_audio_dec_t *audec, int en) +{ +#ifdef OUT_USE_AUDIOTRACK + audio_out_operations_t *aout_ops = &audec->aout_ops; + if (aout_ops->mute) { + adec_print("%s the output !\n", (en ? "mute" : "unmute")); + aout_ops->mute(audec, en); + audec->muted = en; + } +#endif +} + +/** + * \brief set volume to audio dec when receive SET_VOL command. + * \param audec pointer to audec + * \param vol volume value + */ +static void adec_set_volume(aml_audio_dec_t *audec, float vol) +{ +#ifdef OUT_USE_AUDIOTRACK + audio_out_operations_t *aout_ops = &audec->aout_ops; + if (aout_ops->set_volume) { + adec_print("set audio volume! vol = %f\n", vol); + aout_ops->set_volume(audec, vol); + } +#endif +} + +/** + * \brief set volume to audio dec when receive SET_LRVOL command. + * \param audec pointer to audec + * \param lvol left channel volume value + * \param rvol right channel volume value + */ +static void adec_set_lrvolume(aml_audio_dec_t *audec, float lvol, float rvol) +{ +#ifdef OUT_USE_AUDIOTRACK + audio_out_operations_t *aout_ops = &audec->aout_ops; + if (aout_ops->set_lrvolume) { + adec_print("set audio volume! left vol = %f,right vol:%f\n", lvol, rvol); + aout_ops->set_lrvolume(audec, lvol, rvol); + } +#endif +} +static void adec_flag_check(aml_audio_dec_t *audec) +{ + audio_out_operations_t *aout_ops = &audec->aout_ops; + if (audec->auto_mute && (audec->state > INITTED)) { + aout_ops->pause(audec); + amthreadpool_thread_usleep(10000); + while ((!audec->need_stop) && track_switch_pts(audec)) { + amthreadpool_thread_usleep(1000); + } +#ifdef OUT_USE_AUDIOTRACK + aout_ops->resume(audec); +#endif + audec->auto_mute = 0; + } +} + + +static void start_wfd_decode_thread(aml_audio_dec_t *audec) +{ + int ret = -1; + if (audec->state != INITTED) { + adec_print("decode not inited quit \n"); + return; + } + pthread_t tid; + ret = amthreadpool_pthread_create(&tid, NULL, (void *)audio_wfd_decode_loop, (void *)audec); + if (ret != 0) { + adec_print("[%s]Create ffmpeg decode thread failed!\n", __FUNCTION__); + return; + } + audec->sn_threadid = tid; + pthread_setname_np(tid, "AmadecDecodeWFD"); + adec_print("[%s]Create WFD audio decode thread success! tid = %d\n", __FUNCTION__, tid); +} +static void stop_wfd_decode_thread(aml_audio_dec_t *audec) +{ + adec_print("enter stop_wfd_decode_thread \n"); + audec->exit_decode_thread = 1; + int ret = amthreadpool_pthread_join(audec->sn_threadid, NULL); + adec_print("[%s]wfd decode thread exit success\n", __FUNCTION__); + audec->exit_decode_thread = 0; + audec->sn_threadid = -1; + +} + +static int wfd_audio_codec_init(aml_audio_dec_t *audec) +{ + int ret = 0; + audec->exit_decode_thread = 0; + audec->fd_uio = -1; + audec->sn_threadid = -1; + audec->adsp_ops.dsp_on = 1; + //TODO : get the actual sample rate /channel num + audec->data_width = AV_SAMPLE_FMT_S16; + audec->channels = 2; + audec->samplerate = 48000; + + audec->adsp_ops.dsp_read = wfd_dec_pcm_read; + audec->adsp_ops.get_cur_pts = wfd_dec_get_pts; + audec->adsp_ops.get_cur_pcrscr = wfd_dec_get_pcrscr; + audec->adsp_ops.set_cur_apts = wfd_dec_set_pts; + audec->adsp_ops.set_skip_bytes = wfd_dec_set_skip_bytes; + audec->adsp_ops.dsp_read_raw = NULL; + while (0 != set_sysfs_int(DECODE_ERR_PATH, DECODE_NONE_ERR)) { + adec_print("[%s %d]set codec fatal failed ! \n", __FUNCTION__, __LINE__); + amthreadpool_thread_usleep(100000); + } + /* + //enable uio interface + ret = uio_init(audec); + if (ret < 0) { + adec_print("wfd uio init error! \n"); + return -1; + } + */ + // register decoder lib + memset(&WFDAudioDecoder, 0, sizeof(audio_decoder_operations_t)); + audec->adec_ops = &WFDAudioDecoder; + audec->adec_ops->priv_data = audec; + if (wfd_register_audio_lib(audec)) { + adec_print("wfd register decoder failed \n"); + return -1; + } + if (wfd_register_output_lib(audec)) { + adec_print("wfd register output failed \n"); + return -1; + } + // output init,not init here as we should get the sr/ch info when decode one frame +#if 0 + if (wfd_out_init()) { + adec_print("wfd init pcm output device failed\n"); + return -1; + } +#endif + ret = audec->adec_ops->init(audec->adec_ops); + if (ret) { + adec_print("wfd audio decoder init failed \n"); + goto error1; + } + + + adec_print("wfd audio_codec_init ok \n"); + return 0; +error1: + wfd_out_uninit(); + return -1; + +} +#define RESAMPLE_FRAMES 128 +static short date_temp[1024 * 4 * 2]; + +static void audio_resample_api(char* buffer, unsigned int *size, int Chnum, int enable, int delta) +{ + short *pbuf; + int resample_enable; + int resample_type; + int resample_delta; + int frame_read; + int num_sample = 0; + int i, j, k, h; + int request = *size; + int dsp_read = 0; + static int last_resample_enable = 0; + pbuf = (short*)date_temp; + unsigned index = 0; + float mPhaseFraction; + float phaseIncrement ; + float mPhaseFraction1; + unsigned in_sr; + unsigned out_sr; + short *input; + short *output; + unsigned frames = 0; + in_sr = (RESAMPLE_FRAMES - 1); + out_sr = (RESAMPLE_FRAMES - delta - 1); + phaseIncrement = (float)in_sr / out_sr; + resample_enable = enable; + resample_delta = delta; + + if (last_resample_enable != resample_enable) { + adec_print("resample changed: %s\n", resample_enable ? "Enabled" : "Disabled"); + last_resample_enable = resample_enable; + } + + if (resample_enable && resample_delta && *size >= RESAMPLE_FRAMES * sizeof(short)*Chnum) { + //adec_print("resample start ... %d, step=%d\n", *size, resample_delta); + if (resample_delta < 0) { + // *size = *size*RESAMPLE_FRAMES/(RESAMPLE_FRAMES-resample_delta); + } + memcpy(pbuf, buffer, *size); + frame_read = *size / (sizeof(short) * Chnum); //dsp_pcm_read(audec, pbuf, *size); // return mono sample number + dsp_read += frame_read; + k = 0; + while (frame_read >= RESAMPLE_FRAMES) { + mPhaseFraction = 0; + mPhaseFraction1 = 0; + index = 0; + input = (short*)pbuf + frames * Chnum; + output = (short*)buffer + k * Chnum; + for (j = 0; j < RESAMPLE_FRAMES - resample_delta; j++) { + output[2 * j] = input[index * 2] + (short)((input[(index + 1) * 2] - input[index * 2]) * mPhaseFraction1); + output[2 * j + 1] = input[index * 2 + 1] + (short)((input[(index + 1) * 2 + 1] - input[index * 2 + 1]) * mPhaseFraction1); + mPhaseFraction += phaseIncrement; + index = mPhaseFraction; + mPhaseFraction1 = mPhaseFraction - index; + k++; + } + frames += RESAMPLE_FRAMES; + frame_read -= RESAMPLE_FRAMES; + } + if (frame_read > 0) { + memcpy((short*)buffer + k * Chnum, (short*)pbuf + frames * Chnum, frame_read * sizeof(short)* Chnum); + k += frame_read; + } + + + num_sample = k * sizeof(short) * Chnum; + *size = k * sizeof(short) * Chnum; + } + // adec_print("resample size from %d to %d, original %d\n", request, *size, dsp_read); +} + +static int skip_thred = 400; +static int up_thred = 100; +static int dn_thred = 200; +static int dn_resample_delta = 2; +static int up_resample_delta = -4; +static void set_wfd_pcm_thredhold() +{ + + char value[PROPERTY_VALUE_MAX]; + if (property_get("media.wfd.skip", value, NULL) > 0) { + skip_thred = atoi(value); + } + if (property_get("media.wfd.up", value, NULL) > 0) { + up_thred = atoi(value); + } + if (property_get("media.wfd.dn", value, NULL) > 0) { + dn_thred = atoi(value); + } + if (property_get("media.wfd.dn_delta", value, NULL) > 0) { + dn_resample_delta = atoi(value); + } + if (property_get("media.wfd.up_delta", value, NULL) > 0) { + up_resample_delta = atoi(value); + } +} +void *audio_wfd_decode_loop(void *args) +{ + int ret; + aml_audio_dec_t *audec; + audio_out_operations_t *aout_ops; + audio_decoder_operations_t *adec_ops; + short outbuf[2048]; + int outlen = 0; + int write_size = 0; + int in_latency = 0; + int out_latency = 0; + int total_latency = 0; + int out_init_flag = 0; + char value[PROPERTY_VALUE_MAX]; + unsigned char debug_latency = 0; + adec_print("audio_wfd_decode_loop start!\n"); + audec = (aml_audio_dec_t *)args; + aout_ops = &audec->aout_ops; + adec_ops = audec->adec_ops; + if (property_get("media.wfd.debug_latency", value, NULL) > 0) { + debug_latency = atoi(value); + } + while (!audec->exit_decode_thread) { + outlen = 0; + // adec_refresh_pts(audec); + set_wfd_pcm_thredhold(); + audec->decode_offset = adec_ops->decode(adec_ops, outbuf, &outlen, (char*)&in_latency, 0); + + if (outlen > 0) { + if (!out_init_flag) { + if (wfd_out_init(adec_ops->samplerate, adec_ops->channels)) { + adec_print("wfd init pcm output device failed\n"); + continue; + } + out_init_flag = 1; + } + out_latency = wfd_out_latency(); + if (out_latency < 0) { + out_latency = 0; + } + total_latency = in_latency + out_latency; + audec->out_len_after_last_valid_pts += outlen; + if (debug_latency) { + adec_print("latency in %d ms,out %d ms.total %d ms\n", in_latency, out_latency, total_latency); + if (total_latency < 150) { + if (property_get("sys.pkginfo", value, NULL) > 0) { + adec_print("latency pkg info %s \n", value); + } + } + } + if (total_latency > skip_thred) { + if (debug_latency) { + adec_print(" total latency %d ms ,skip bytes %d \n", total_latency, outlen); + } + outlen = 0; + } else if (total_latency > dn_thred) { + audio_resample_api(outbuf, &outlen, 2, 1, dn_resample_delta); + } else if (total_latency < up_thred) { + audio_resample_api(outbuf, &outlen, 2, 1, up_resample_delta); + } + if (debug_latency) { + adec_print("wfd dec out %d byts pcm \n", outlen); + } + write_size = wfd_out_write(outbuf, outlen); + } + //TODO decode function + } + adec_print("exit audio_wfd_decode_loop Thread finished!\n"); + pthread_exit(NULL); +error: + pthread_exit(NULL); + return NULL; +} + + +/* + WFD audio decoder control thread +*/ +void *adec_wfddec_msg_loop(void *args) +{ + int ret; + aml_audio_dec_t *audec; + audio_out_operations_t *aout_ops; + adec_cmd_t *msg = NULL; + audec = (aml_audio_dec_t *)args; + aout_ops = &audec->aout_ops; + adec_print("adec_wfddec_loop in \n"); + while (!audec->need_stop) { + audec->state = INITING; + ret = wfd_audio_codec_init(audec); + if (ret == 0) { + { +#ifdef OUT_USE_AUDIOTRACK + ret = aout_ops->init(audec); + if (ret) { + adec_print("WFD Audio out device init failed!\n"); + wfd_audio_codec_release(audec); + continue; + } +#endif + audec->state = INITTED; + start_wfd_decode_thread(audec); + start_adec(audec); + } + break; + } + + if (!audec->need_stop) { + amthreadpool_thread_usleep(100000); + } + } + + do { + + adec_reset_track(audec); + adec_flag_check(audec); + msg = adec_get_message(audec); + if (!msg) { + amthreadpool_thread_usleep(100000); + continue; + } + + switch (msg->ctrl_cmd) { + case CMD_START: + + adec_print("Receive START Command!\n"); + start_wfd_decode_thread(audec); + start_adec(audec); + break; + + case CMD_PAUSE: + + adec_print("Receive PAUSE Command!"); + pause_adec(audec); + break; + + case CMD_RESUME: + + adec_print("Receive RESUME Command!"); + resume_adec(audec); + break; + + case CMD_STOP: + + adec_print("Receive STOP Command!"); + stop_adec(audec); + break; + + case CMD_MUTE: + + adec_print("Receive Mute Command!"); + if (msg->has_arg) { + mute_adec(audec, msg->value.en); + } + break; + + case CMD_SET_VOL: + + adec_print("Receive Set Vol Command!"); + if (msg->has_arg) { + adec_set_volume(audec, msg->value.volume); + } + break; + case CMD_SET_LRVOL: + + adec_print("Receive Set LRVol Command!"); + if (msg->has_arg) { + adec_set_lrvolume(audec, msg->value.volume, msg->value_ext.volume); + } + break; +#if 0 + case CMD_CHANL_SWAP: + + adec_print("Receive Channels Swap Command!"); + audio_hardware_ctrl(HW_CHANNELS_SWAP); + break; + + case CMD_LEFT_MONO: + + adec_print("Receive Left Mono Command!"); + audio_hardware_ctrl(HW_LEFT_CHANNEL_MONO); + break; + + case CMD_RIGHT_MONO: + + adec_print("Receive Right Mono Command!"); + audio_hardware_ctrl(HW_RIGHT_CHANNEL_MONO); + break; + + case CMD_STEREO: + + adec_print("Receive Stereo Command!"); + audio_hardware_ctrl(HW_STEREO_MODE); + break; +#endif + case CMD_RELEASE: + + adec_print("Receive RELEASE Command!"); + release_adec(audec); + break; + + default: + adec_print("Unknow Command!"); + break; + + } + + if (msg) { + adec_message_free(msg); + msg = NULL; + } + } while (audec->state != TERMINATED); + + adec_print("Exit adec_wfddec_msg_loop!"); + pthread_exit(NULL); + return NULL; +} + + + diff --git a/amadec/adec_omx_brige.c b/amadec/adec_omx_brige.c new file mode 100644 index 0000000..1ee68c2 --- a/dev/null +++ b/amadec/adec_omx_brige.c @@ -0,0 +1,284 @@ +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include "adec_omx_brige.h" +#include +#include "Amsysfsutils.h" +#include "amconfigutils.h" + +#define LOG_TAG "Adec_omx_bridge" +#define adec_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define SIZE_FOR_MX_BYPASS (48*1024) //about 0.25s for 48K_16bit + +int find_omx_lib(aml_audio_dec_t *audec) +{ + audio_decoder_operations_t *adec_ops = audec->adec_ops; + audec->StageFrightCodecEnableType = 0; + audec->parm_omx_codec_init = NULL; + audec->parm_omx_codec_read = NULL; + audec->parm_omx_codec_close = NULL; + audec->parm_omx_codec_start = NULL; + audec->parm_omx_codec_pause = NULL; + audec->parm_omx_codec_get_declen = NULL; + audec->parm_omx_codec_get_FS = NULL; + audec->parm_omx_codec_get_Nch = NULL; + + if (audec->format == ACODEC_FMT_AC3) { +#ifndef USE_ARM_AUDIO_DEC + audec->adec_ops->nOutBufSize = SIZE_FOR_MX_BYPASS; +#endif + audec->StageFrightCodecEnableType = OMX_ENABLE_CODEC_AC3; + } else if (audec->format == ACODEC_FMT_EAC3) { +#ifndef USE_ARM_AUDIO_DEC + audec->adec_ops->nOutBufSize = SIZE_FOR_MX_BYPASS; +#endif + audec->StageFrightCodecEnableType = OMX_ENABLE_CODEC_EAC3; + } else if (audec->format == ACODEC_FMT_ALAC) { + audec->StageFrightCodecEnableType = OMX_ENABLE_CODEC_ALAC; + } else if (audec->format == ACODEC_FMT_MPEG || audec->format == ACODEC_FMT_MPEG1 || audec->format == ACODEC_FMT_MPEG2) { + if (0/*!am_getconfig_bool("media.libplayer.usemad")*/) { + audec->StageFrightCodecEnableType = OMX_ENABLE_CODEC_MPEG_LAYER_II; //mpeg1-3, new omx libmpg123 + } + } else if (audec->format == ACODEC_FMT_WMA) { + audec->StageFrightCodecEnableType = OMX_ENABLE_CODEC_WMA; + } else if (audec->format == ACODEC_FMT_WMAPRO) { + audec->StageFrightCodecEnableType = OMX_ENABLE_CODEC_WMAPRO; + } else if (audec->format == ACODEC_FMT_DTS) { +#ifndef USE_ARM_AUDIO_DEC + audec->adec_ops->nOutBufSize = SIZE_FOR_MX_BYPASS; +#endif + audec->StageFrightCodecEnableType = OMX_ENABLE_CODEC_DTSHD; + } else if (audec->format == ACODEC_FMT_VORBIS) { + audec->StageFrightCodecEnableType = OMX_ENABLE_CODEC_VORBIS; + } else if (audec->format == ACODEC_FMT_TRUEHD) { + audec->StageFrightCodecEnableType = OMX_ENABLE_CODEC_TRUEHD; + } else if (audec->format == ACODEC_FMT_WMAVOI) { + audec->StageFrightCodecEnableType = OMX_ENABLE_CODEC_WMAVOI; + } + + adec_print("%s %d audec->format=%d \n", __FUNCTION__, __LINE__, audec->format); + + if (audec->StageFrightCodecEnableType) { + int *fd = NULL; + fd = dlopen("libamadec_omx_api.so", RTLD_NOW); + if (fd != NULL) { + audec->parm_omx_codec_init = dlsym(fd, "arm_omx_codec_init"); + audec->parm_omx_codec_read = dlsym(fd, "arm_omx_codec_read"); + audec->parm_omx_codec_close = dlsym(fd, "arm_omx_codec_close"); + audec->parm_omx_codec_start = dlsym(fd, "arm_omx_codec_start"); + audec->parm_omx_codec_pause = dlsym(fd, "arm_omx_codec_pause"); + audec->parm_omx_codec_get_declen = dlsym(fd, "arm_omx_codec_get_declen"); + audec->parm_omx_codec_get_FS = dlsym(fd, "arm_omx_codec_get_FS"); + audec->parm_omx_codec_get_Nch = dlsym(fd, "arm_omx_codec_get_Nch"); + } else { + adec_print("[NOTE]cant find libamadec_omx_api.so ,StageFrightCodecEnableType=0\n"); + audec->StageFrightCodecEnableType = 0; + return 0; + } + } + + if (audec->parm_omx_codec_init == NULL || audec->parm_omx_codec_read == NULL || audec->parm_omx_codec_close == NULL || + audec->parm_omx_codec_start == NULL || audec->parm_omx_codec_pause == NULL || audec->parm_omx_codec_get_declen == NULL || + audec->parm_omx_codec_get_FS == NULL || audec->parm_omx_codec_get_Nch == NULL + ) { + adec_print("[NOTE]load func_api in libamadec_omx_api.so faided, StageFrightCodecEnableType=0\n"); + audec->StageFrightCodecEnableType = 0; + return 0; + } + adec_print("%s %d StageFrightCodecEnableType=%d \n", __FUNCTION__, __LINE__, audec->StageFrightCodecEnableType); + return audec->StageFrightCodecEnableType; +} + +static char pcm_buf_tmp[AVCODEC_MAX_AUDIO_FRAME_SIZE];//max frame size out buf +void omx_codec_Release(); +extern int read_buffer(unsigned char *buffer, int size); + +void *audio_decode_loop_omx(void *args) +{ + int ret; + aml_audio_dec_t *audec; + audio_out_operations_t *aout_ops; + audio_decoder_operations_t *adec_ops; + + int nNextFrameSize = 0; //next read frame size + int nAudioFormat; + char *inbuf = NULL;//real buffer + int dlen = 0;//decode size one time + int outlen = 0; + char *outbuf = pcm_buf_tmp, *outbuf_raw; + int outlen_raw = 0; + int rawoutput_enable; + buffer_stream_t *g_bst, *g_bst_raw; + AudioInfo g_AudioInfo = {0}; + adec_print("\n\naudio_decode_loop_omx start!\n"); + + audec = (aml_audio_dec_t *)args; + aout_ops = &audec->aout_ops; + adec_ops = audec->adec_ops; + memset(outbuf, 0, AVCODEC_MAX_AUDIO_FRAME_SIZE); + nAudioFormat = audec->format; + nNextFrameSize = adec_ops->nInBufSize; + g_bst = audec->g_bst; + g_bst_raw = audec->g_bst_raw; + + rawoutput_enable = amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw"); + adec_print("rawoutput_enable/%d", rawoutput_enable); + if (rawoutput_enable == 1 && audec->StageFrightCodecEnableType == OMX_ENABLE_CODEC_TRUEHD) { + adec_print("truehd passthrough enable only when hdmi passthr\n"); + rawoutput_enable = 0; + } + if (audec->parm_omx_codec_init && audec->parm_omx_codec_start) { + (*audec->parm_omx_codec_init)(audec, audec->StageFrightCodecEnableType, (void*)read_buffer, &audec->exit_decode_thread); + (*audec->parm_omx_codec_start)(audec); + } else { + audec->exit_decode_thread = 1; + adec_print("audio_decode_loop_omx start failed!"); + } + audec->OmxFirstFrameDecoded = 0; + while (1) { +exit_decode_loop: + if (audec->exit_decode_thread) { //detect quit condition + break; + } + outbuf = pcm_buf_tmp; + outlen = AVCODEC_MAX_AUDIO_FRAME_SIZE; + (*audec->parm_omx_codec_read)(audec, outbuf, &outlen, &audec->exit_decode_thread); + + outlen_raw = 0; + if (audec->StageFrightCodecEnableType == OMX_ENABLE_CODEC_DTSHD || + audec->StageFrightCodecEnableType == OMX_ENABLE_CODEC_TRUEHD) { + int outlen0 = outlen; + if (outlen > 8) { + memcpy(&outlen, outbuf, 4); + outbuf += 4; + if (outlen + 8 < outlen0) { + memcpy(&outlen_raw, outbuf + outlen, 4); + outbuf_raw = outbuf + outlen + 4; + } + } else { + outlen = 0; + } + } else if ((audec->StageFrightCodecEnableType == OMX_ENABLE_CODEC_AC3) || + (audec->StageFrightCodecEnableType == OMX_ENABLE_CODEC_EAC3)) { + if (outlen > 8) { + memcpy(&outlen, outbuf, 4); + outbuf += 4; + memcpy(&outlen_raw, outbuf + outlen, 4); + outbuf_raw = outbuf + outlen + 4; + memset(outbuf + outlen, 0, 4); + } else { + outlen = 0; + } + } + if (outlen > 0) { + memset(&g_AudioInfo, 0, sizeof(AudioInfo)); + g_AudioInfo.channels = (*audec->parm_omx_codec_get_Nch)(audec); + g_AudioInfo.samplerate = (*audec->parm_omx_codec_get_FS)(audec); + if (g_AudioInfo.channels != 0 && g_AudioInfo.samplerate != 0) { + if (!audec->OmxFirstFrameDecoded) { + g_bst->channels = audec->channels = g_AudioInfo.channels; + g_bst->samplerate = audec->samplerate = g_AudioInfo.samplerate; + audec->OmxFirstFrameDecoded = 1; + } else if (audec->OmxFirstFrameDecoded == 1) { + if ((g_AudioInfo.channels != g_bst->channels) || (g_AudioInfo.samplerate != g_bst->samplerate)) { + while (audec->format_changed_flag && !audec->exit_decode_thread) { + amthreadpool_thread_usleep(20000); + } + if (!audec->exit_decode_thread) { + adec_print("Info Changed: src:sample:%d channel:%d dest sample:%d channel:%d \n", + g_bst->samplerate, g_bst->channels, g_AudioInfo.samplerate, g_AudioInfo.channels); + g_bst->channels = g_AudioInfo.channels; + g_bst->samplerate = g_AudioInfo.samplerate; + aout_ops->pause(audec); + audec->format_changed_flag = 1; + } + } + } + } + } + if (outlen > 0) { + dlen = (*audec->parm_omx_codec_get_declen)(audec); + } else { + dlen = 0; + } + //write to the pcm buffer + audec->decode_offset += dlen; + audec->pcm_cache_size = outlen; + + if (g_bst) { + int wlen = 0; + while (outlen && !audec->exit_decode_thread) { + if ((g_bst->buf_length - g_bst->buf_level) < outlen) { + amthreadpool_thread_usleep(20000); + continue; + } + wlen = write_pcm_buffer(outbuf, g_bst, outlen); + outlen -= wlen; + audec->pcm_cache_size -= wlen; + } + + while (rawoutput_enable && !audec->exit_decode_thread && outlen_raw && aout_ops->audio_out_raw_enable) { + if (g_bst_raw->buf_length - g_bst_raw->buf_level < outlen_raw) { + amthreadpool_thread_usleep(20000); + continue; + } + wlen = write_pcm_buffer(outbuf_raw, g_bst_raw, outlen_raw); + outlen_raw -= wlen; + } + } + } + + adec_print("[%s %d] has stepped out decodeloop \n", __FUNCTION__, __LINE__); + if (audec->StageFrightCodecEnableType && audec->parm_omx_codec_close) { + (*audec->parm_omx_codec_close)(audec); + } + adec_print("Exit audio_decode_loop_omx Thread finished!"); + pthread_exit(NULL); + return NULL; +} + + +void start_decode_thread_omx(aml_audio_dec_t *audec) +{ + int ret; + pthread_t tid; + int wait_aout_ops_start_time = 0; + + ret = amthreadpool_pthread_create(&tid, NULL, (void *)audio_decode_loop_omx, (void *)audec); + if (ret != 0) { + adec_print("Create thread failed!\n"); + return; + } + audec->sn_threadid = tid; + pthread_setname_np(tid, "AmadecDecodeLP"); + adec_print("Create thread success! tid = %d\n", tid); + + while ((!audec->need_stop) && (!audec->OmxFirstFrameDecoded)) { + amthreadpool_thread_usleep(50); + wait_aout_ops_start_time++; + } + adec_print("[%s] start thread finished: OmxFirstFrameDecoded=%d> used time: %d*50(us)\n", __FUNCTION__, audec->OmxFirstFrameDecoded, wait_aout_ops_start_time); + +} + + +void stop_decode_thread_omx(aml_audio_dec_t *audec) +{ + audec->exit_decode_thread = 1; + int ret = amthreadpool_pthread_join(audec->sn_threadid, NULL); + //audec->exit_decode_thread = 0; + audec->sn_threadid = -1; + audec->sn_getpackage_threadid = -1; +} + + + + diff --git a/amadec/adec_omx_brige.h b/amadec/adec_omx_brige.h new file mode 100644 index 0000000..d49d3e0 --- a/dev/null +++ b/amadec/adec_omx_brige.h @@ -0,0 +1,56 @@ + +#ifndef __ADEC_OMXDDPDEC_BRIGE_H__ +#define __ADEC_OMXDDPDEC_BRIGE_H__ + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + + + +enum OMX_CodecID { + OMX_ENABLE_CODEC_NULL = 0, + OMX_ENABLE_CODEC_AC3, + OMX_ENABLE_CODEC_EAC3, + OMX_ENABLE_CODEC_AMR_NB, + OMX_ENABLE_CODEC_AMR_WB, + OMX_ENABLE_CODEC_MPEG, + OMX_ENABLE_CODEC_MPEG_LAYER_I, + OMX_ENABLE_CODEC_MPEG_LAYER_II, + OMX_ENABLE_CODEC_AAC, + OMX_ENABLE_CODEC_QCELP, + OMX_ENABLE_CODEC_VORBIS, + OMX_ENABLE_CODEC_G711_ALAW, + OMX_ENABLE_CODEC_G711_MLAW, + OMX_ENABLE_CODEC_RAW, + OMX_ENABLE_CODEC_ADPCM_IMA, + OMX_ENABLE_CODEC_ADPCM_MS, + OMX_ENABLE_CODEC_FLAC, + OMX_ENABLE_CODEC_AAC_ADTS, + OMX_ENABLE_CODEC_ALAC, + OMX_ENABLE_CODEC_AAC_ADIF, + OMX_ENABLE_CODEC_AAC_LATM, + OMX_ENABLE_CODEC_ADTS_PROFILE, + OMX_ENABLE_CODEC_WMA, + OMX_ENABLE_CODEC_WMAPRO, + OMX_ENABLE_CONTAINER_WAV, + OMX_ENABLE_CONTAINER_AIFF, + OMX_ENABLE_CODEC_DTSHD, + OMX_ENABLE_CODEC_TRUEHD, + OMX_ENABLE_CODEC_WMAVOI, +}; + + +void stop_decode_thread_omx(aml_audio_dec_t *audec); +void start_decode_thread_omx(aml_audio_dec_t *audec); +int find_omx_lib(aml_audio_dec_t *audec); +#endif + diff --git a/amadec/adec_read.c b/amadec/adec_read.c new file mode 100644 index 0000000..c1a9b57 --- a/dev/null +++ b/amadec/adec_read.c @@ -0,0 +1,200 @@ +#include +#include // strcmp +#include // clock +#include +#include + +#include +#include +#include +#include + +#include "Amsysfsutils.h" +#include "amconfigutils.h" + + +#define ASTREAM_DEV "/dev/uio0" +#define ASTREAM_ADDR "/sys/class/astream/astream-dev/uio0/maps/map0/addr" +#define ASTREAM_SIZE "/sys/class/astream/astream-dev/uio0/maps/map0/size" +#define ASTREAM_OFFSET "/sys/class/astream/astream-dev/uio0/maps/map0/offset" +#define ADDR_OFFSET "/sys/class/astream/addr_offset" + + +#define AIU_AIFIFO_CTRL 0x1580 +#define AIU_AIFIFO_STATUS 0x1581 +#define AIU_AIFIFO_GBIT 0x1582 +#define AIU_AIFIFO_CLB 0x1583 +#define AIU_MEM_AIFIFO_START_PTR 0x1584 +#define AIU_MEM_AIFIFO_CURR_PTR 0x1585 +#define AIU_MEM_AIFIFO_END_PTR 0x1586 +#define AIU_MEM_AIFIFO_BYTES_AVAIL 0x1587 +#define AIU_MEM_AIFIFO_CONTROL 0x1588 +#define AIU_MEM_AIFIFO_MAN_WP 0x1589 +#define AIU_MEM_AIFIFO_MAN_RP 0x158a +#define AIU_MEM_AIFIFO_LEVEL 0x158b +#define AIU_MEM_AIFIFO_BUF_CNTL 0x158c +#define AIU_MEM_AIFIFO_BUF_WRAP_COUNT 0x158d +#define AIU_MEM_AIFIFO2_BUF_WRAP_COUNT 0x158e +#define AIU_MEM_AIFIFO_MEM_CTL 0x158f + +volatile unsigned* reg_base = 0; +#define READ_MPEG_REG(reg) reg_base[reg-AIU_AIFIFO_CTRL] +#define WRITE_MPEG_REG(reg, val) reg_base[reg-AIU_AIFIFO_CTRL]=val +#define AIFIFO_READY (((READ_MPEG_REG(AIU_MEM_AIFIFO_CONTROL)&(1<<9)))) +#define min(x,y) ((xfd_uio = open(ASTREAM_DEV, O_RDWR); + if (audec->fd_uio < 0) { + adec_print("error open UIO 0\n"); + return -1; + } + phys_start = get_num_infile(ASTREAM_ADDR); + phys_size = get_num_infile(ASTREAM_SIZE); + phys_offset = get_num_infile(ASTREAM_OFFSET); + addr_offset = get_num_infile(ADDR_OFFSET); + + adec_print("add=%08x, size=%08x, phy_offset=%08x, addr_offset=%d\n", + phys_start, phys_size, phys_offset, addr_offset); + + phys_size = (phys_size + pagesize - 1) & (~(pagesize - 1)); + memmap = mmap(NULL, phys_size, PROT_READ | PROT_WRITE, MAP_SHARED, audec->fd_uio, 0 * pagesize); + + adec_print("memmap = %x , pagesize = %x\n", memmap, pagesize); + if (memmap == MAP_FAILED) { + adec_print("map /dev/uio0 failed\n"); + return -1; + } + if (phys_offset == 0) + phys_offset = ((AIU_AIFIFO_CTRL + addr_offset) << 2) & (pagesize - 1); + reg_base = memmap + phys_offset; + return 0; +} + +int uio_deinit(aml_audio_dec_t *audec) +{ + if (audec->fd_uio >= 0) { + close(audec->fd_uio); + } + audec->fd_uio = -1; + + if (memmap != NULL && memmap != MAP_FAILED) { + munmap(memmap, phys_size); + } + adec_print("audio_dec_release done \n"); + return 0; +} + + +static inline void waiting_bits(int bits) +{ + int bytes; + bytes = READ_MPEG_REG(AIU_MEM_AIFIFO_BYTES_AVAIL); + while (bytes * 8 < bits) { + if (amthreadpool_on_requare_exit(0)) { + break; + } + amthreadpool_thread_usleep(1000); + bytes = READ_MPEG_REG(AIU_MEM_AIFIFO_BYTES_AVAIL); + } +} + + +#define EXTRA_DATA_SIZE 128 +int read_buffer(unsigned char *buffer, int size) +{ + int bytes; + int len; + unsigned char *p = buffer; + int tmp; + int space; + int i; + int wait_times = 0, fifo_ready_wait = 0; + + int iii; + + iii = READ_MPEG_REG(AIU_MEM_AIFIFO_LEVEL) - EXTRA_DATA_SIZE; + // adec_print("read_buffer start iii = %d!!\n", iii); + + static int cc = 0; + len = 0; +#if 0 + while (size >= iii) { + cc++ ; + amthreadpool_thread_usleep(1000); + iii = READ_MPEG_REG(AIU_MEM_AIFIFO_LEVEL) - EXTRA_DATA_SIZE; + if (cc % 2000 == 0) { + adec_print("read_buffer start in while iii = %d!!exit_decode_thread:%d \n", iii, exit_decode_thread); + } + if (exit_decode_thread) { + goto out; + } + } +#endif + if ((size >= iii)) { + return 0; + } + + // adec_print("read_buffer start while iii= %d!!\n", iii); + for (len = 0; len < size;) { + space = (size - len); + bytes = READ_MPEG_REG(AIU_MEM_AIFIFO_BYTES_AVAIL); + //adec_print("read_buffer start AIU_MEM_AIFIFO_BYTES_AVAIL bytes= %d!!\n", bytes); + wait_times = 0; + while (bytes == 0) { + waiting_bits((space > 128) ? 128 * 8 : (space * 8)); /*wait 32 bytes,if the space is less than 32 bytes,wait the space bits*/ + bytes = READ_MPEG_REG(AIU_MEM_AIFIFO_BYTES_AVAIL); + + adec_print("read_buffer while AIU_MEM_AIFIFO_BYTES_AVAIL = %d!!\n", bytes); + wait_times++; + if (wait_times > 10 || amthreadpool_on_requare_exit(0)) { + adec_print("goto out!!\n"); + goto out; + } + } + bytes = min(space, bytes); + + //adec_print("read_buffer while bytes = %d!!\n", bytes); + for (i = 0; i < bytes; i++) { + while (!AIFIFO_READY) { + fifo_ready_wait++; + amthreadpool_thread_usleep(1000); + if (fifo_ready_wait > 100 || amthreadpool_on_requare_exit(0)) { + adec_print("FATAL err,AIFIFO is not ready,check!!\n"); + return 0; + } + } + WRITE_MPEG_REG(AIU_AIFIFO_GBIT, 8); + tmp = READ_MPEG_REG(AIU_AIFIFO_GBIT); + //adec_print("read_buffer while tmp = %d!!\n", tmp); + + *p++ = tmp & 0xff; + fifo_ready_wait = 0; + + } + len += bytes; + } +out: + //stream_in_offset+=len; + return len; +} + + diff --git a/amadec/adec_reg.h b/amadec/adec_reg.h new file mode 100644 index 0000000..799c1b3 --- a/dev/null +++ b/amadec/adec_reg.h @@ -0,0 +1,76 @@ +//----------------------------------------------------------------------------- +// add for AIFIFO channel (old $cdrom/rtl/cdr_top/getbit) +//----------------------------------------------------------------------------- +// Bit 3 CRC pop aififo enable +// Bit 2 writing to this bit to 1 causes CRC module reset +// Bit 1 enable aififo +// Bit 0 writing to this bit to 1 causes aififo soft reset +#define AIU_AIFIFO_CTRL 0x1580 +//'h0000 +// AIFIFO status register +// Bit 13 //aififo request to dcu status +// Bit 12 //dcu select status +// Bit 11:5 //aififo word counter number +// Bit 4:0 //how many bits left in the first pop register +#define AIU_AIFIFO_STATUS 0x1581 +// Same fucntion as the AIGBIT of AIFIFO in CDROM module +// write to this register how many bits wanna pop, +// and reading this register gets the corresponding bits data +#define AIU_AIFIFO_GBIT 0x1582 +// Same function as the AICLB of AIFIFO in CDROM module +// return the leading zeros by reading this registers +#define AIU_AIFIFO_CLB 0x1583 +// -------------------------------------------- +// AIFIFO DDR Interface +// -------------------------------------------- +// The AIFIFO start pointer into DDR memory is a 32-bit number +// The Start pointer will automatically be truncated to land on +// an 8-byte boundary. That is, bits [2:0] = 0; +#define AIU_MEM_AIFIFO_START_PTR 0x1584 +// The current pointer points so some location between the START and END +// pointers. The current pointer is a BYTE pointer. That is, you can +// point to any BYTE address within the START/END range +#define AIU_MEM_AIFIFO_CURR_PTR 0x1585 +#define AIU_MEM_AIFIFO_END_PTR 0x1586 +#define AIU_MEM_AIFIFO_BYTES_AVAIL 0x1587 +// AIFIFO FIFO Control +// bit [15:11] unused +// bit [10] use_level Set this bit to 1 to enable filling of the FIFO controlled by the buffer +// level control. If this bit is 0, then use bit[1] to control the enabling of filling +// bit [9] Data Ready. This bit is set when data can be popped +// bit [8] fill busy This bit will be high when we're fetching data from the DDR memory +// To reset this module, set cntl_enable = 0, and then wait for busy = 0. +// After that you can pulse cntl_init to start over +// bit [7] cntl_endian_jic Just in case endian. last minute byte swap of the data out of +// the FIFO to getbit +// bit [6] unused +// bits [5:3] endian: see $lib/rtl/ddr_endian.v +// bit [2] cntl_empty_en Set to 1 to enable reading the DDR memory FIFO and filling the pipeline to get-bit +// Set cntl_empty_en = cntl_fill_en = 0 when pulsing cntl_init +// bit [1] cntl_fill_en Set to 1 to enable reading data from DDR memory +// bit [0] cntl_init: After setting the read pointers, sizes, channel masks +// and read masks, set this bit to 1 and then to 0 +// NOTE: You don't need to pulse cntl_init if only the start address is +// being changed +#define AIU_MEM_AIFIFO_CONTROL 0x1588 +// -------------------------------------------- +// AIFIFO Buffer Level Manager +// -------------------------------------------- +#define AIU_MEM_AIFIFO_MAN_WP 0x1589 +#define AIU_MEM_AIFIFO_MAN_RP 0x158a +#define AIU_MEM_AIFIFO_LEVEL 0x158b +// +// bit [1] manual mode Set to 1 for manual write pointer mode +// bit [0] Init Set high then low after everything has been initialized +#define AIU_MEM_AIFIFO_BUF_CNTL 0x158c + +#define AIU_MEM_AIFIFO_BUF_WRAP_COUNT 0x158d +#define AIU_MEM_AIFIFO2_BUF_WRAP_COUNT 0x158e +// bit 29:24 A_brst_num +// bit 21:16 A_id +// bit 15:0 level_hold +#define AIU_MEM_AIFIFO_MEM_CTL 0x158f + +int uio_init(aml_audio_dec_t *audec); +int uio_deinit(aml_audio_dec_t *audec); + diff --git a/amadec/adec_write.c b/amadec/adec_write.c new file mode 100644 index 0000000..0cad7fe --- a/dev/null +++ b/amadec/adec_write.c @@ -0,0 +1,189 @@ +#include + +int init_buff(buffer_stream_t *bs, int length) +{ + //unsigned char *buffer=malloc(DEFAULT_BUFFER_SIZE); + unsigned char *buffer = malloc(length); + if (!buffer) { + printf("Err:malloc failed \n"); + bs->data = NULL; + return -1; + } + bs->data = buffer; + //bs->buf_length=DEFAULT_BUFFER_SIZE; + bs->buf_length = length; + bs->buf_level = 0; + bs->rd_ptr = bs->wr_ptr = bs->data; + bs->bInited = 1; + bs->nMutex = 1; + pthread_mutex_init(&bs->nMutex1, NULL); + return 1; +} + +int reset_buffer(buffer_stream_t *bs) +{ + if (bs->bInited == 0) { + return -1; + } + //bs->buf_length=DEFAULT_BUFFER_SIZE; + bs->buf_level = 0; + bs->rd_ptr = bs->wr_ptr = bs->data; + bs->nMutex = 1; + return 0; +} + +int release_buffer(buffer_stream_t *bs) +{ + if (bs->data) { + free(bs->data); + } + free(bs); + bs = NULL; + return 1; +} + +//1 empty 0 not empty -1 not inited +int is_buffer_empty(buffer_stream_t *bs) +{ + if (bs->bInited == 0) { + return -1; + } + if (bs->buf_level == 0) { + return 1; + } else { + return 0; + } +} +//1 full 0 not full -1 not inited +int is_buffer_full(buffer_stream_t *bs) +{ + if (bs->bInited == 0) { + return -1; + } + if (bs->buf_level == bs->buf_length) { + return 1; + } else { + return 0; + } + +} + +int get_buffer_length(buffer_stream_t *bs) +{ + if (bs->bInited == 0) { + return -1; + } + return bs->buf_level; +} + +static int read_data(char * out, buffer_stream_t *bs, int size) +{ + if (bs->bInited == 0) { + return -1; //read failed + } + int ret = is_buffer_empty(bs); + if (ret == 1) { + //printf("=====buffer empty \n"); + return 0;//buffer empty + } + int len = MIN(bs->buf_level, size); + if (bs->wr_ptr > bs->rd_ptr) { + memcpy(out, bs->rd_ptr, len); + bs->rd_ptr += len; + bs->buf_level -= len; + if (bs->rd_ptr == (bs->data + bs->buf_length)) { + bs->rd_ptr = bs->data; + } + //printf("=====read ok: condition 1 read :%d byte \n",len); + return len; + } else if (len < (bs->data + bs->buf_length - bs->rd_ptr)) { + memcpy(out, bs->rd_ptr, len); + bs->rd_ptr += len; + bs->buf_level -= len; + if (bs->rd_ptr == (bs->data + bs->buf_length)) { + bs->rd_ptr = bs->data; + } + //printf("=====read ok: condition 2 read :%d byte \n",len); + return len; + + } else { + int tail_len = (bs->data + bs->buf_length - bs->rd_ptr); + memcpy(out, bs->rd_ptr, tail_len); + memcpy(out + tail_len, bs->data, len - tail_len); + bs->rd_ptr = bs->data + len - tail_len; + bs->buf_level -= len; + if (bs->rd_ptr == (bs->data + bs->buf_length)) { + bs->rd_ptr = bs->data; + } + //printf("=====read ok: condition 3 read :%d byte \n",len); + return len; + } + +} + +int read_pcm_buffer(char * out, buffer_stream_t *bs, int size) +{ + int ret = 0; + pthread_mutex_lock(&bs->nMutex1); + ret = read_data(out, bs, size); + pthread_mutex_unlock(&bs->nMutex1); + return ret; +} +static int write_data(char *in, buffer_stream_t *bs, int size) +{ + if (bs->bInited == 0) { + return -1; //not inited + } + int ret = is_buffer_full(bs); + if (ret == 1) { + + //printf("=====buffer full \n"); + return 0;//buffer full + } + //start write data + int len = MIN(bs->buf_length - bs->buf_level, size); + if (bs->wr_ptr < bs->rd_ptr) { + memcpy(bs->wr_ptr, in, len); + bs->wr_ptr += len; + bs->buf_level += len; + if (bs->wr_ptr == (bs->data + bs->buf_length)) { + bs->wr_ptr = bs->data; + } + //printf("=====write ok: condition 1 write :%d byte \n",len); + return len; + } else if (len < (bs->data + bs->buf_length - bs->wr_ptr)) { + memcpy(bs->wr_ptr, in, len); + bs->wr_ptr += len; + bs->buf_level += len; + if (bs->wr_ptr == (bs->data + bs->buf_length)) { + bs->wr_ptr = bs->data; + } + //printf("=====write ok: condition 2 write :%d byte \n",len); + return len; + + } else { + int tail_len = (bs->data + bs->buf_length - bs->wr_ptr); + memcpy(bs->wr_ptr, in, tail_len); + memcpy(bs->data, in + tail_len, len - tail_len); + bs->wr_ptr = bs->data + len - tail_len; + bs->buf_level += len; + if (bs->wr_ptr == (bs->data + bs->buf_length)) { + bs->wr_ptr = bs->data; + } + //printf("=====write ok: condition 3 write :%d byte \n",len); + return len; + } + +} + +int write_pcm_buffer(char * in, buffer_stream_t *bs, int size) +{ + int ret = 0; + pthread_mutex_lock(&bs->nMutex1); + ret = write_data(in, bs, size); + pthread_mutex_unlock(&bs->nMutex1); + return ret; +} + + + diff --git a/amadec/adec_write.h b/amadec/adec_write.h new file mode 100644 index 0000000..7c7376e --- a/dev/null +++ b/amadec/adec_write.h @@ -0,0 +1,42 @@ + +#ifndef __ADEC_WRITE_H__ +#define __ADEC_WRITE_H__ + +#include +#include +#include +#include + +#define DEFAULT_BUFFER_SIZE 1024*1024 +#define MIN(a,b) (a>b)?b:a + +typedef struct buffer_stream_st { + int buf_length; + int buf_level; + unsigned char * data; + unsigned char * rd_ptr; + unsigned char * wr_ptr; + int bInited; + int nMutex; + int data_width; + int channels; + int samplerate; + int format; + pthread_mutex_t nMutex1; + +} buffer_stream_t; + +int init_buff(buffer_stream_t *bs, int length); +int reset_buffer(buffer_stream_t *bs); +int release_buffer(buffer_stream_t *bs); + +int is_buffer_empty(buffer_stream_t *bs); + +int is_buffer_full(buffer_stream_t *bs); +int get_buffer_length(buffer_stream_t *bs); +int read_pcm_buffer(char * out, buffer_stream_t *bs, int size); +int write_pcm_buffer(char * in, buffer_stream_t *bs, int size); +int get_pcmbuf_level(); + + +#endif diff --git a/amadec/audio-dec.h b/amadec/audio-dec.h new file mode 100644 index 0000000..13c7935 --- a/dev/null +++ b/amadec/audio-dec.h @@ -0,0 +1,314 @@ +/** + * \file audio-dec.h + * \brief Definitiond Of Audio Dec Types And Structures + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#ifndef AUDIO_DEC_H +#define AUDIO_DEC_H + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +ADEC_BEGIN_DECLS + +#define AUDIO_CTRL_DEVICE "/dev/amaudio_ctl" + +#define AMAUDIO_IOC_MAGIC 'A' +#define AMAUDIO_IOC_SET_LEFT_MONO _IOW(AMAUDIO_IOC_MAGIC, 0x0e, int) +#define AMAUDIO_IOC_SET_RIGHT_MONO _IOW(AMAUDIO_IOC_MAGIC, 0x0f, int) +#define AMAUDIO_IOC_SET_STEREO _IOW(AMAUDIO_IOC_MAGIC, 0x10, int) +#define AMAUDIO_IOC_SET_CHANNEL_SWAP _IOW(AMAUDIO_IOC_MAGIC, 0x11, int) + +//should in accordance with ../amcodec/include/amports/amstream.h +#define AMAUDIO_IOC_SET_RESAMPLE_DELTA _IOW(AMAUDIO_IOC_MAGIC, 0x1d, unsigned long) + +//for ffmpeg audio decode +#define AMSTREAM_IOC_MAGIC 'S' +#define AMSTREAM_IOC_APTS_LOOKUP _IOR(AMSTREAM_IOC_MAGIC, 0x81, int) +#define GET_FIRST_APTS_FLAG _IOR(AMSTREAM_IOC_MAGIC, 0x82, int) + +//----------------------------------------------- +//copy from file: "../amcodec/include/amports/amstream.h" +#ifndef AMSTREAM_IOC_PCRSCR +#define AMSTREAM_IOC_PCRSCR _IOR(AMSTREAM_IOC_MAGIC, 0x42, int) +#endif +#ifndef AMSTREAM_IOC_SET_APTS +#define AMSTREAM_IOC_SET_APTS _IOW(AMSTREAM_IOC_MAGIC, 0xa8, int) +#endif + +//----------------------------------------------- + + +/*******************************************************************************************/ + +typedef struct aml_audio_dec aml_audio_dec_t; +#define DECODE_ERR_PATH "/sys/class/audiodsp/codec_fatal_err" +#define DECODE_NONE_ERR 0 +#define DECODE_INIT_ERR 1 +#define DECODE_FATAL_ERR 2 +#define lock_t pthread_mutex_t +#define lp_lock_init(x,v) pthread_mutex_init(x,v) +#define lp_lock(x) pthread_mutex_lock(x) +#define lp_unlock(x) pthread_mutex_unlock(x) +typedef enum { + HW_STEREO_MODE = 0, + HW_LEFT_CHANNEL_MONO, + HW_RIGHT_CHANNEL_MONO, + HW_CHANNELS_SWAP, +} hw_command_t; +struct package { + char *data;//buf ptr + int size; //package size + struct package * next;//next ptr +}; + +typedef struct { + struct package *first; + int pack_num; + struct package *current; + lock_t tslock; +} Package_List; + +typedef struct adec_thread_mgt { + pthread_mutex_t pthread_mutex; + pthread_cond_t pthread_cond; + pthread_t pthread_id; +} adec_thread_mgt_t; + +typedef struct { + char buff[10]; + int size; + int status;//0 init 1 finding sync word 2 finding framesize 3 frame size found +} StartCode; +typedef void (*fp_arm_omx_codec_init)(aml_audio_dec_t*, int, void*, int*); +typedef void (*fp_arm_omx_codec_read)(aml_audio_dec_t*, unsigned char *, unsigned *, int *); +typedef void (*fp_arm_omx_codec_close)(aml_audio_dec_t*); +typedef void (*fp_arm_omx_codec_start)(aml_audio_dec_t*); +typedef void (*fp_arm_omx_codec_pause)(aml_audio_dec_t*); +typedef int (*fp_arm_omx_codec_get_declen)(aml_audio_dec_t*); +typedef int (*fp_arm_omx_codec_get_FS)(aml_audio_dec_t*); +typedef int (*fp_arm_omx_codec_get_Nch)(aml_audio_dec_t*); +typedef int (*fp_arm_omx_codex_read_assoc_data)(aml_audio_dec_t *,unsigned char *, int, int *); + +struct aml_audio_dec { + adec_state_t state; + pthread_t thread_pid; + adec_audio_format_t format; + int channels; + int samplerate; + int data_width; + int bitrate; + int block_align; + int codec_id; + int need_stop; + int auto_mute; + int muted; + int decoded_nb_frames; + int avsync_threshold; + float volume; //left or main volume + float volume_ext; //right + float pre_gain; //gain scope[-12dB,12dB] + int pre_gain_enable; + uint pre_mute; + int64_t refresh_pts_readytime_ms; + //codec_para_t *pcodec; + hw_command_t soundtrack; + audio_out_operations_t aout_ops; + dsp_operations_t adsp_ops; + message_pool_t message_pool; + audio_decoder_operations_t *adec_ops;//non audiodsp decoder operations + int extradata_size; ///< extra data size + char extradata[AUDIO_EXTRA_DATA_SIZE]; + audio_session_t SessionID; + int format_changed_flag; + unsigned dspdec_not_supported;//check some profile that audiodsp decoder can not support,we switch to arm decoder + int droppcm_flag; // drop pcm flag, if switch audio (1) + int no_first_apts; // if can't get the first apts (1), default (0) + int apts_start_flag; + uint64_t first_apts; + int StageFrightCodecEnableType; + int64_t pcm_bytes_readed; + int64_t raw_bytes_readed; + float codec_type; + int raw_frame_size; + int pcm_frame_size; + int i2s_iec958_sync_flag; + int max_bytes_readded_diff; + int i2s_iec958_sync_gate; + + buffer_stream_t *g_bst; + buffer_stream_t *g_bst_raw; + pthread_t sn_threadid;//same as the def: 'pthread_t thread_pid;' + pthread_t sn_getpackage_threadid;//same as the def: 'pthread_t thread_pid;' + int exit_decode_thread; + int exit_decode_thread_success; + unsigned long decode_offset; + int64_t decode_pcm_offset; + int use_get_out_posion; + int nDecodeErrCount; + int fd_uio; + uint64_t last_valid_pts; + int out_len_after_last_valid_pts; + int64_t last_out_postion; + int64_t last_get_postion_time_us; + int pcm_cache_size; + Package_List pack_list; + StartCode start_code; + + void *arm_omx_codec; + fp_arm_omx_codec_init parm_omx_codec_init; + fp_arm_omx_codec_read parm_omx_codec_read ; + fp_arm_omx_codec_close parm_omx_codec_close; + fp_arm_omx_codec_start parm_omx_codec_start; + fp_arm_omx_codec_pause parm_omx_codec_pause; + fp_arm_omx_codec_get_declen parm_omx_codec_get_declen; + fp_arm_omx_codec_get_FS parm_omx_codec_get_FS; + fp_arm_omx_codec_get_Nch parm_omx_codec_get_Nch; + int OmxFirstFrameDecoded; + int tsync_mode; + adec_thread_mgt_t thread_mgt; + int dtshdll_flag; + int first_apts_lookup_over; + int audio_decoder_enabled; // if the audio decoder is enabled. if not enabled, muted pcm are output + + //dvb pcr master + int fill_trackzero_thrsh; + int droppcm_ms; + int adis_flag; + int tsync_pcr_dispoint; + int pcrtsync_enable; + int pcrmaster_droppcm_thsh; + int64_t pcrscr64; + int64_t apts64; + int64_t last_apts64; + int64_t last_pcrscr64; + int mix_lr_channel_enable; + + //code to handle small pts discontinue (1s < diff < 3s ) + int last_discontinue_apts;//the apts when audio has little discontinue + int apts_reset_scr_delay_ms; + int64_t last_discontinue_time; //the time when littile discontinue happens + + int VersionNum; + int DTSHDIEC958_FS; + int DTSHDIEC958_PktFrmSize; + int DTSHDIEC958_PktType; + int DTSHDPCM_SamsInFrmAtMaxSR; + unsigned int has_video; + int associate_dec_supported;//support associate or not + unsigned int associate_audio_enable;//control output associate audio + buffer_stream_t *g_assoc_bst; + fp_arm_omx_codex_read_assoc_data parm_omx_codec_read_assoc_data; + int mixing_level;//def=50, mixing level between main and associate, [0,100] +}; + +//from amcodec +typedef struct { + int sample_rate; ///< audio stream sample rate + int channels; ///< audio stream channels + int format; ///< codec format id + int bitrate; + int block_align; + int codec_id; //original codecid corespingding to ffmepg + int handle; ///< codec device handler + int extradata_size; ///< extra data size + char extradata[AUDIO_EXTRA_DATA_SIZE]; + int SessionID; + int dspdec_not_supported;//check some profile that audiodsp decoder can not support,we switch to arm decoder + int droppcm_flag; // drop pcm flag, if switch audio (1) + int automute; + unsigned int has_video; + int associate_dec_supported;//support associate or not + int mixing_level;//def=50, mixing level between main and associate, [0,100] +} arm_audio_info; + +typedef struct { + int valid; ///< audio extradata valid(1) or invalid(0), set by dsp + int sample_rate; ///< audio stream sample rate + int channels; ///< audio stream channels + int bitrate; ///< audio stream bit rate + int codec_id; ///< codec format id + int block_align; ///< audio block align from ffmpeg + int extradata_size; ///< extra data size + char extradata[512];; ///< extra data information for decoder +} Asf_audio_info_t; + +//status check +struct adec_status { + unsigned int channels; + unsigned int sample_rate; + unsigned int resolution; + unsigned int error_count; + unsigned int status; +}; + +//audio decoder type, default arc +#define AUDIO_ARC_DECODER 0 +#define AUDIO_ARM_DECODER 1 +#define AUDIO_FFMPEG_DECODER 2 +#define AUDIO_ARMWFD_DECODER 3 + +//reference from " /amcodec/include/amports/aformat.h" +#define ACODEC_FMT_NULL -1 +#define ACODEC_FMT_MPEG 0 +#define ACODEC_FMT_PCM_S16LE 1 +#define ACODEC_FMT_AAC 2 +#define ACODEC_FMT_AC3 3 +#define ACODEC_FMT_ALAW 4 +#define ACODEC_FMT_MULAW 5 +#define ACODEC_FMT_DTS 6 +#define ACODEC_FMT_PCM_S16BE 7 +#define ACODEC_FMT_FLAC 8 +#define ACODEC_FMT_COOK 9 +#define ACODEC_FMT_PCM_U8 10 +#define ACODEC_FMT_ADPCM 11 +#define ACODEC_FMT_AMR 12 +#define ACODEC_FMT_RAAC 13 +#define ACODEC_FMT_WMA 14 +#define ACODEC_FMT_WMAPRO 15 +#define ACODEC_FMT_PCM_BLURAY 16 +#define ACODEC_FMT_ALAC 17 +#define ACODEC_FMT_VORBIS 18 +#define ACODEC_FMT_AAC_LATM 19 +#define ACODEC_FMT_APE 20 +#define ACODEC_FMT_EAC3 21 +#define ACODEC_FMT_WIFIDISPLAY 22 +#define ACODEC_FMT_DRA 23 +#define ACODEC_FMT_TRUEHD 25 +#define ACODEC_FMT_MPEG1 26 //AFORMAT_MPEG-->mp3,AFORMAT_MPEG1-->mp1,AFROMAT_MPEG2-->mp2 +#define ACODEC_FMT_MPEG2 27 +#define ACODEC_FMT_WMAVOI 28 + + + + + +/***********************************************************************************************/ +extern void android_basic_init(void); +int audiodec_init(aml_audio_dec_t *aml_audio_dec); +int adec_message_pool_init(aml_audio_dec_t *); +adec_cmd_t *adec_message_alloc(void); +int adec_message_free(adec_cmd_t *); +int adec_send_message(aml_audio_dec_t *, adec_cmd_t *); +adec_cmd_t *adec_get_message(aml_audio_dec_t *); +int feeder_init(aml_audio_dec_t *); +int feeder_release(aml_audio_dec_t *); +void *adec_armdec_loop(void *args); +void *adec_wfddec_msg_loop(void *args); +int adec_thread_wait(aml_audio_dec_t *audec, int microseconds); +int adec_thread_wakeup(aml_audio_dec_t *audec); + +ADEC_END_DECLS +#endif diff --git a/amadec/audio_out/alsa-out.c b/amadec/audio_out/alsa-out.c new file mode 100644 index 0000000..388e516 --- a/dev/null +++ b/amadec/audio_out/alsa-out.c @@ -0,0 +1,1082 @@ +/** + * \file alsa-out.c + * \brief Functions of Auduo output control for Linux Platform + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#include +#include +#include +#include +#include +#include +//#include +#include + +#include +#include +#include +#include +#include +#include + + +#define USE_INTERPOLATION + +static snd_pcm_sframes_t (*readi_func)(snd_pcm_t *handle, void *buffer, snd_pcm_uframes_t size); +static snd_pcm_sframes_t (*writei_func)(snd_pcm_t *handle, const void *buffer, snd_pcm_uframes_t size); +static snd_pcm_sframes_t (*readn_func)(snd_pcm_t *handle, void **bufs, snd_pcm_uframes_t size); +static snd_pcm_sframes_t (*writen_func)(snd_pcm_t *handle, void **bufs, snd_pcm_uframes_t size); + +static float alsa_default_vol = 1.0; +static int hdmi_out = 0; +static int fragcount = 16; +static snd_pcm_uframes_t chunk_size = 1024; +static char output_buffer[64 * 1024]; +static unsigned char decode_buffer[OUTPUT_BUFFER_SIZE + 64]; +#define PERIOD_SIZE 1024 +#define PERIOD_NUM 4 + +#ifdef USE_INTERPOLATION +static int pass1_history[8][8]; +#pragma align_to(64,pass1_history) +static int pass2_history[8][8]; +#pragma align_to(64,pass2_history) +static short pass1_interpolation_output[0x4000]; +#pragma align_to(64,pass1_interpolation_output) +static short interpolation_output[0x8000]; +#pragma align_to(64,interpolation_output) +static int tv_mode = 0; +static int getprop_bool(const char * path) +{ + char buf[PROPERTY_VALUE_MAX]; + int ret = -1; + ret = property_get(path, buf, NULL); + if (ret > 0) { + if (strcasecmp(buf,"true") == 0 || strcmp(buf,"1") == 0) + return 1; + } + return 0; +} +static inline short CLIPTOSHORT(int x) +{ + short res; +#if 0 + __asm__ __volatile__( + "min r0, %1, 0x7fff\r\n" + "max r0, r0, -0x8000\r\n" + "mov %0, r0\r\n" + :"=r"(res) + :"r"(x) + :"r0" + ); +#else + if (x > 0x7fff) { + res = 0x7fff; + } else if (x < -0x8000) { + res = -0x8000; + } else { + res = x; + } +#endif + return res; +} + +static int set_sysfs_type(const char *path, const char *type) +{ + int ret = -1; + int fd = open(path, O_CREAT | O_RDWR | O_TRUNC, 0644); + if (fd >= 0) { + char set_type[10] = {0}; + int length = snprintf(set_type, sizeof(set_type), "%s", type); + if (length > 0) + ret = write(fd, set_type, length); + adec_print("%s , %s\n", path, set_type); + close(fd); + }else{ + adec_print("open hdmi-tx node:%s failed!\n", path); + } + return ret; +} + + +static void pcm_interpolation(int interpolation, unsigned num_channel, unsigned num_sample, short *samples) +{ + int i, k, l, ch; + int *s; + short *d; + for (ch = 0; ch < num_channel; ch++) { + s = pass1_history[ch]; + if (interpolation < 2) { + d = interpolation_output; + } else { + d = pass1_interpolation_output; + } + for (i = 0, k = l = ch; i < num_sample; i++, k += num_channel) { + s[0] = s[1]; + s[1] = s[2]; + s[2] = s[3]; + s[3] = s[4]; + s[4] = s[5]; + s[5] = samples[k]; + d[l] = s[2]; + l += num_channel; + d[l] = CLIPTOSHORT((150 * (s[2] + s[3]) - 25 * (s[1] + s[4]) + 3 * (s[0] + s[5]) + 128) >> 8); + l += num_channel; + } + if (interpolation >= 2) { + s = pass2_history[ch]; + d = interpolation_output; + for (i = 0, k = l = ch; i < num_sample * 2; i++, k += num_channel) { + s[0] = s[1]; + s[1] = s[2]; + s[2] = s[3]; + s[3] = s[4]; + s[4] = s[5]; + s[5] = pass1_interpolation_output[k]; + d[l] = s[2]; + l += num_channel; + d[l] = CLIPTOSHORT((150 * (s[2] + s[3]) - 25 * (s[1] + s[4]) + 3 * (s[0] + s[5]) + 128) >> 8); + l += num_channel; + } + } + } +} +#endif + + +static int set_params(alsa_param_t *alsa_params) +{ + snd_pcm_hw_params_t *hwparams; + snd_pcm_sw_params_t *swparams; + // snd_pcm_uframes_t buffer_size; + // snd_pcm_uframes_t boundary; + // unsigned int period_time = 0; + // unsigned int buffer_time = 0; + snd_pcm_uframes_t bufsize; + int err; + unsigned int rate; + snd_pcm_uframes_t start_threshold, stop_threshold; + snd_pcm_hw_params_alloca(&hwparams); + snd_pcm_sw_params_alloca(&swparams); + + err = snd_pcm_hw_params_any(alsa_params->handle, hwparams); + if (err < 0) { + adec_print("Broken configuration for this PCM: no configurations available"); + return err; + } + + err = snd_pcm_hw_params_set_access(alsa_params->handle, hwparams, + SND_PCM_ACCESS_RW_INTERLEAVED); + if (err < 0) { + adec_print("Access type not available"); + return err; + } + if (tv_mode) { + alsa_params->format = SND_PCM_FORMAT_S32_LE; + } + err = snd_pcm_hw_params_set_format(alsa_params->handle,hwparams,alsa_params->format); + if (err < 0) { + adec_print("Sample format non available"); + return err; + } + alsa_params->format = SND_PCM_FORMAT_S16_LE; + if (tv_mode) { + alsa_params->channelcount = 8; + } + err = snd_pcm_hw_params_set_channels(alsa_params->handle, hwparams, alsa_params->channelcount); + alsa_params->channelcount = 2; + if (err < 0) { + adec_print("Channels count non available"); + return err; + } + + rate = alsa_params->rate; + err = snd_pcm_hw_params_set_rate_near(alsa_params->handle, hwparams, &alsa_params->rate, 0); + assert(err >= 0); +#if 0 + err = snd_pcm_hw_params_get_buffer_time_max(hwparams, &buffer_time, 0); + assert(err >= 0); + if (buffer_time > 500000) { + buffer_time = 500000; + } + + period_time = buffer_time / 4; + + err = snd_pcm_hw_params_set_period_time_near(handle, hwparams, + &period_time, 0); + assert(err >= 0); + + err = snd_pcm_hw_params_set_buffer_time_near(handle, hwparams, + &buffer_time, 0); + assert(err >= 0); + +#endif + alsa_params->bits_per_sample = snd_pcm_format_physical_width(alsa_params->format); + //bits_per_frame = bits_per_sample * hwparams.realchanl; + alsa_params->bits_per_frame = alsa_params->bits_per_sample * alsa_params->channelcount; + adec_print("bits_per_sample %d,bits_per_frame %d\n",alsa_params->bits_per_sample,alsa_params->bits_per_frame); + bufsize = PERIOD_NUM * PERIOD_SIZE; + + if (tv_mode) { + set_sysfs_type("/sys/class/amhdmitx/amhdmitx0/aud_output_chs", "2:1"); + } + + err = snd_pcm_hw_params_set_buffer_size_near(alsa_params->handle, hwparams, &bufsize); + if (err < 0) { + adec_print("Unable to set buffer size \n"); + return err; + } + err = snd_pcm_hw_params_set_period_size_near(alsa_params->handle, hwparams, &chunk_size, NULL); + if (err < 0) { + adec_print("Unable to set period size \n"); + return err; + } + + //err = snd_pcm_hw_params_set_periods_near(handle, hwparams, &fragcount, NULL); + //if (err < 0) { + // adec_print("Unable to set periods \n"); + // return err; + //} + + err = snd_pcm_hw_params(alsa_params->handle, hwparams); + if (err < 0) { + adec_print("Unable to install hw params:"); + return err; + } + + err = snd_pcm_hw_params_get_buffer_size(hwparams, &bufsize); + if (err < 0) { + adec_print("Unable to get buffersize \n"); + return err; + } + alsa_params->buffer_size = bufsize * alsa_params->bits_per_frame / 8; + +#if 1 + err = snd_pcm_sw_params_current(alsa_params->handle, swparams); + if (err < 0) { + adec_print("??Unable to get sw-parameters\n"); + return err; + } + + //err = snd_pcm_sw_params_get_boundary(swparams, &boundary); + //if (err < 0){ + // adec_print("Unable to get boundary\n"); + // return err; + //} + + //err = snd_pcm_sw_params_set_start_threshold(handle, swparams, bufsize); + //if (err < 0) { + // adec_print("Unable to set start threshold \n"); + // return err; + //} + + //err = snd_pcm_sw_params_set_stop_threshold(handle, swparams, buffer_size); + //if (err < 0) { + // adec_print("Unable to set stop threshold \n"); + // return err; + //} + + // err = snd_pcm_sw_params_set_silence_size(handle, swparams, buffer_size); + // if (err < 0) { + // adec_print("Unable to set silence size \n"); + // return err; + // } + + err = snd_pcm_sw_params(alsa_params->handle, swparams); + if (err < 0) { + adec_print("Unable to get sw-parameters\n"); + return err; + } + + //snd_pcm_sw_params_free(swparams); +#endif + + + //chunk_bytes = chunk_size * bits_per_frame / 8; + + return 0; +} + +static int alsa_get_hdmi_state() +{ + return 0; +#if 0 + int fd = -1, err = 0, state = 0; + unsigned fileSize = 32; + char *read_buf = NULL; + static const char *const HDMI_STATE_PATH = "/sys/class/switch/hdmi/state"; + + fd = open(HDMI_STATE_PATH, O_RDONLY); + if (fd < 0) { + adec_print("ERROR: failed to open config file %s error: %d\n", HDMI_STATE_PATH, errno); + close(fd); + return -EINVAL; + } + + read_buf = (char *)malloc(fileSize); + if (!read_buf) { + adec_print("Failed to malloc read_buf"); + goto OUT; + } + memset(read_buf, 0x0, fileSize); + err = read(fd, read_buf, fileSize); + if (fd < 0) { + adec_print("ERROR: failed to read config file %s error: %d\n", HDMI_STATE_PATH, errno); + goto OUT; + } + + if (*read_buf == '1') { + state = 1; + } + +OUT: + free(read_buf); + close(fd); + return state; +#endif +} + +static int alsa_get_aml_card() +{ + int card = -1, err = 0; + int fd = -1; + unsigned fileSize = 512; + char *read_buf = NULL, *pd = NULL; + static const char *const SOUND_CARDS_PATH = "/proc/asound/cards"; + fd = open(SOUND_CARDS_PATH, O_RDONLY); + if (fd < 0) { + adec_print("ERROR: failed to open config file %s error: %d\n", SOUND_CARDS_PATH, errno); + close(fd); + return -EINVAL; + } + + read_buf = (char *)malloc(fileSize); + if (!read_buf) { + adec_print("Failed to malloc read_buf"); + close(fd); + return -ENOMEM; + } + memset(read_buf, 0x0, fileSize); + err = read(fd, read_buf, fileSize); + if (fd < 0) { + adec_print("ERROR: failed to read config file %s error: %d\n", SOUND_CARDS_PATH, errno); + free(read_buf); + close(fd); + return -EINVAL; + } + pd = strstr(read_buf, "AML"); + card = *(pd - 3) - '0'; + +OUT: + free(read_buf); + close(fd); + return card; +} + +static int alsa_get_spdif_port() +{ +/* for pcm output,i2s/958 share the same data from i2s,so always use device 0 as i2s output */ + return 0; + int port = -1, err = 0; + int fd = -1; + unsigned fileSize = 512; + char *read_buf = NULL, *pd = NULL; + static const char *const SOUND_PCM_PATH = "/proc/asound/pcm"; + fd = open(SOUND_PCM_PATH, O_RDONLY); + if (fd < 0) { + adec_print("ERROR: failed to open config file %s error: %d\n", SOUND_PCM_PATH, errno); + close(fd); + return -EINVAL; + } + + read_buf = (char *)malloc(fileSize); + if (!read_buf) { + adec_print("Failed to malloc read_buf"); + close(fd); + return -ENOMEM; + } + memset(read_buf, 0x0, fileSize); + err = read(fd, read_buf, fileSize); + if (fd < 0) { + adec_print("ERROR: failed to read config file %s error: %d\n", SOUND_PCM_PATH, errno); + free(read_buf); + close(fd); + return -EINVAL; + } + pd = strstr(read_buf, "SPDIF"); + if (!pd) { + goto OUT; + } + adec_print("%s \n", pd); + + port = *(pd - 3) - '0'; + adec_print("%s \n", (pd - 3)); + +OUT: + free(read_buf); + close(fd); + return port; +} + +static size_t pcm_write(alsa_param_t * alsa_param, u_char * data, size_t count) +{ + snd_pcm_sframes_t r; + size_t result = 0; + int i; + short *sample = (short*)data; + /* + if (count < chunk_size) { + snd_pcm_format_set_silence(hwparams.format, data + count * bits_per_frame / 8, (chunk_size - count) * hwparams.channels); + count = chunk_size; + } + */ + /* volume control for bootplayer */ + if (alsa_default_vol != 1.0) { + for (i = 0;i < count*2;i++) { + sample[i] = (short)(alsa_default_vol*(float)sample[i]); + } + } + // dump pcm data here +#if 0 + FILE *fp1=fopen("/data/audio_out.pcm","a+"); + if (fp1) { + int flen=fwrite((char *)data,1,count*2*2,fp1); + adec_print("flen = %d---outlen=%d ", flen, count*2*2); + fclose(fp1); + }else{ + adec_print("could not open file:audio_out.pcm"); + } +#endif + int *tmp_buffer = NULL; + int bits_per_frame = alsa_param->bits_per_frame; + if (tv_mode) { + tmp_buffer = (int*)malloc(count*8*4); + if (tmp_buffer == NULL) { + adec_print("malloc tmp_buffer failed\n"); + return -1; + } + int i; + int out_frames = count; + short *in_buffer = (short*)data; + for (i = 0; i < out_frames; i ++) { + tmp_buffer[8*i] = ((int)(in_buffer[2*i])) << 16; + tmp_buffer[8*i + 1] = ((int)(in_buffer[2*i + 1])) << 16; + tmp_buffer[8*i + 2] = ((int)(in_buffer[2*i])) << 16; + tmp_buffer[8*i + 3] = ((int)(in_buffer[2*i + 1])) << 16; + tmp_buffer[8*i + 4] = 0; + tmp_buffer[8*i + 5] = 0; + tmp_buffer[8*i + 6] = 0; + tmp_buffer[8*i + 7] = 0; + } + data = (char*)tmp_buffer; + bits_per_frame = bits_per_frame*8;//8ch,32bit + } + while (count > 0) { + r = writei_func(alsa_param->handle, data, count); + + if (r == -EINTR) { + r = 0; + } + if (r == -ESTRPIPE) { + while ((r = snd_pcm_resume(alsa_param->handle)) == -EAGAIN) { + amthreadpool_thread_usleep(1000); + } + } + + if (r < 0) { + printf("xun in\n"); + if ((r = snd_pcm_prepare(alsa_param->handle)) < 0) { + result = 0; + goto done; + } + } + + if (r > 0) { + result += r; + count -= r; + data += r * bits_per_frame / 8; + } + } +done: + if (tmp_buffer) { + free(tmp_buffer); + } + return result; +} + +static unsigned oversample_play(alsa_param_t * alsa_param, char * src, unsigned count) +{ + int frames = 0; + int ret, i; + unsigned short * to, *from; + to = (unsigned short *)output_buffer; + from = (unsigned short *)src; + + if (alsa_param->realchanl == 2) { + if (alsa_param->oversample == -1) { + frames = count * 8 / alsa_param->bits_per_frame; + frames = frames & (~(32 - 1)); + for (i = 0; i < (frames * 2); i += 4) { // i for sample + *to++ = *from++; + *to ++ = *from++; + from += 2; + } + ret = pcm_write(alsa_param, output_buffer, frames / 2); + ret = ret * alsa_param->bits_per_frame / 8; + ret = ret * 2; + } else if (alsa_param->oversample == 1) { + frames = count * 8 / alsa_param->bits_per_frame; + frames = frames & (~(16 - 1)); +#ifdef USE_INTERPOLATION + pcm_interpolation(1, alsa_param->realchanl, frames, (short*)src); + memcpy(output_buffer, interpolation_output, (frames * alsa_param->bits_per_frame / 4)); +#else + short l, r; + for (i = 0; i < (frames * 2); i += 2) { + l = *from++; + r = *from++; + *to++ = l; + *to++ = r; + *to++ = l; + *to++ = r; + } +#endif + ret = pcm_write(alsa_param, output_buffer, frames * 2); + ret = ret * alsa_param->bits_per_frame / 8; + ret = ret / 2; + } else if (alsa_param->oversample == 2) { + frames = count * 8 / alsa_param->bits_per_frame; + frames = frames & (~(8 - 1)); +#ifdef USE_INTERPOLATION + pcm_interpolation(2, alsa_param->realchanl, frames, (short*)src); + memcpy(output_buffer, interpolation_output, (frames * alsa_param->bits_per_frame / 2)); +#else + short l, r; + for (i = 0; i < (frames * 2); i += 2) { + l = *from++; + r = *from++; + *to++ = l; + *to++ = r; + *to++ = l; + *to++ = r; + *to++ = l; + *to++ = r; + *to++ = l; + *to++ = r; + } +#endif + ret = pcm_write(alsa_param, output_buffer, frames * 4); + ret = ret * alsa_param->bits_per_frame / 8; + ret = ret / 4; + } + } else if (alsa_param->realchanl == 1) { + if (alsa_param->oversample == -1) { + frames = count * 8 / alsa_param->bits_per_frame; + frames = frames & (~(32 - 1)); + for (i = 0; i < (frames * 2); i += 2) { + *to++ = *from; + *to++ = *from++; + from++; + } + ret = pcm_write(alsa_param, output_buffer, frames); + ret = ret * alsa_param->bits_per_frame / 8; + } else if (alsa_param->oversample == 0) { + frames = count * 8 / (alsa_param->bits_per_frame >> 1); + frames = frames & (~(16 - 1)); + for (i = 0; i < (frames); i++) { + *to++ = *from; + *to++ = *from++; + } + ret = pcm_write(alsa_param, output_buffer, frames); + ret = ret * (alsa_param->bits_per_frame) / 8; + ret = ret / 2; + } else if (alsa_param->oversample == 1) { + frames = count * 8 / (alsa_param->bits_per_frame >> 1); + frames = frames & (~(8 - 1)); +#ifdef USE_INTERPOLATION + pcm_interpolation(1, alsa_param->realchanl, frames, (short*)src); + from = (unsigned short*)interpolation_output; + for (i = 0; i < (frames * 2); i++) { + *to++ = *from; + *to++ = *from++; + } +#else + for (i = 0; i < (frames); i++) { + *to++ = *from; + *to++ = *from; + *to++ = *from; + *to++ = *from++; + } +#endif + ret = pcm_write(alsa_param, output_buffer, frames * 2); + ret = ret * (alsa_param->bits_per_frame) / 8; + ret = ret / 4; + } else if (alsa_param->oversample == 2) { + frames = count * 8 / (alsa_param->bits_per_frame >> 1); + frames = frames & (~(8 - 1)); +#ifdef USE_INTERPOLATION + pcm_interpolation(2, alsa_param->realchanl, frames, (short*)src); + from = (unsigned short*)interpolation_output; + for (i = 0; i < (frames * 4); i++) { + *to++ = *from; + *to++ = *from++; + } +#else + for (i = 0; i < (frames); i++) { + *to++ = *from; + *to++ = *from; + *to++ = *from; + *to++ = *from; + *to++ = *from; + *to++ = *from; + *to++ = *from; + *to++ = *from++; + } +#endif + ret = pcm_write(alsa_param, output_buffer, frames * 4); + ret = ret * (alsa_param->bits_per_frame) / 8; + ret = ret / 8; + } + } + + return ret; +} + +static int alsa_play(alsa_param_t * alsa_param, char * data, unsigned len) +{ + size_t l = 0, r; + + if (!alsa_param->flag) { + l = len * 8 / alsa_param->bits_per_frame; + l = l & (~(32 - 1)); /*driver only support 32 frames each time */ + r = pcm_write(alsa_param, data, l); + r = r * alsa_param->bits_per_frame / 8; + } else { + r = oversample_play(alsa_param, data, len); + } + + return r ; +} + +static int alsa_swtich_port(alsa_param_t *alsa_params, int card, int port) +{ + char dev[10] = {0}; + adec_print("card = %d, port = %d\n", card, port); + sprintf(dev, "hw:%d,%d", (card >= 0) ? card : 0, (port >= 0) ? port : 0); + pthread_mutex_lock(&alsa_params->playback_mutex); + snd_pcm_drop(alsa_params->handle); + snd_pcm_close(alsa_params->handle); + alsa_params->handle = NULL; + int err = snd_pcm_open(&alsa_params->handle, dev, SND_PCM_STREAM_PLAYBACK, 0); + + if (err < 0) { + adec_print("audio open error: %s", snd_strerror(err)); + pthread_mutex_unlock(&alsa_params->playback_mutex); + return -1; + } + + set_params(alsa_params); + pthread_mutex_unlock(&alsa_params->playback_mutex); + + return 0; +} + +static void *alsa_playback_loop(void *args) +{ + int len = 0; + int len2 = 0; + int offset = 0; + aml_audio_dec_t *audec; + alsa_param_t *alsa_params; + unsigned char *buffer = (unsigned char *)(((unsigned long)decode_buffer + 32) & (~0x1f)); + + char value[PROPERTY_VALUE_MAX]={0}; + audec = (aml_audio_dec_t *)args; + alsa_params = (alsa_param_t *)audec->aout_ops.private_data; + + // bootplayer default volume configuration + if (property_get("media.amplayer.boot_vol",value,NULL) > 0) { + alsa_default_vol = atof(value); + if (alsa_default_vol < 0.0 || alsa_default_vol > 1.0 ) { + adec_print("wrong alsa default volume %f, set to 1.0 \n",alsa_default_vol); + alsa_default_vol = 1.0; + } + } + adec_print("alsa default volume %f \n",alsa_default_vol); + /* pthread_mutex_init(&alsa_params->playback_mutex, NULL); + pthread_cond_init(&alsa_params->playback_cond, NULL);*/ + + while (!alsa_params->wait_flag && alsa_params->stop_flag == 0) { + amthreadpool_thread_usleep(10000); + } + + adec_print("alsa playback loop start to run !\n"); + + while (!alsa_params->stop_flag) { +#if 0 + if (hdmi_out == 0) { + adec_print("===dynmiac get hdmi plugin state===\n"); + if (alsa_get_hdmi_state() == 1) { + if (alsa_swtich_port(alsa_params, alsa_get_aml_card(), alsa_get_spdif_port()) == -1) { + adec_print("switch to hdmi port failed.\n"); + goto exit; + } + + hdmi_out = 1; + adec_print("[%s,%d]get hdmi device, use hdmi device \n", __FUNCTION__, __LINE__); + } + } else if (alsa_get_hdmi_state() == 0) { + if (alsa_swtich_port(alsa_params, alsa_get_aml_card(), 0) == -1) { + adec_print("switch to default port failed.\n"); + goto exit; + } + + hdmi_out = 0; + adec_print("[%s,%d]get default device, use default device \n", __FUNCTION__, __LINE__); + } +#endif + while ((len < (128 * 2)) && (!alsa_params->stop_flag)) { + if (offset > 0) { + memcpy(buffer, buffer + offset, len); + } + len2 = audec->adsp_ops.dsp_read(&audec->adsp_ops, (buffer + len), (OUTPUT_BUFFER_SIZE - len)); + len = len + len2; + offset = 0; + } + audec->pcm_bytes_readed += len; + while (alsa_params->pause_flag) { + amthreadpool_thread_usleep(10000); + } + if (alsa_params->stop_flag) { + goto exit; + } + adec_refresh_pts(audec); + + len2 = alsa_play(alsa_params, (buffer + offset), len); + if (len2 >= 0) { + len -= len2; + offset += len2; + } else { + len = 0; + offset = 0; + } + } +exit: + adec_print("Exit alsa playback loop !\n"); + pthread_exit(NULL); + return NULL; +} + +/** + * \brief output initialization + * \param audec pointer to audec + * \return 0 on success otherwise negative error code + */ +int alsa_init(struct aml_audio_dec* audec) +{ + adec_print("alsa out init"); + char sound_card_dev[10] = {0}; + int sound_card_id = 0; + int sound_dev_id = 0; + int err; + pthread_t tid; + alsa_param_t *alsa_param; + audio_out_operations_t *out_ops = &audec->aout_ops; + tv_mode = getprop_bool("ro.platform.has.tvuimode"); + alsa_param = (alsa_param_t *)malloc(sizeof(alsa_param_t)); + if (!alsa_param) { + adec_print("alloc alsa_param failed, not enough memory!"); + return -1; + } + memset(alsa_param, 0, sizeof(alsa_param_t)); + + if (audec->samplerate >= (88200 + 96000) / 2) { + alsa_param->flag = 1; + alsa_param->oversample = -1; + alsa_param->rate = 48000; + } else if (audec->samplerate >= (64000 + 88200) / 2) { + alsa_param->flag = 1; + alsa_param->oversample = -1; + alsa_param->rate = 44100; + } else if (audec->samplerate >= (48000 + 64000) / 2) { + alsa_param->flag = 1; + alsa_param->oversample = -1; + alsa_param->rate = 32000; + } else if (audec->samplerate >= (44100 + 48000) / 2) { + alsa_param->oversample = 0; + alsa_param->rate = 48000; + if (audec->channels == 1) { + alsa_param->flag = 1; + } else if (audec->channels == 2) { + alsa_param->flag = 0; + } + } else if (audec->samplerate >= (32000 + 44100) / 2) { + alsa_param->oversample = 0; + alsa_param->rate = 44100; + if (audec->channels == 1) { + alsa_param->flag = 1; + } else if (audec->channels == 2) { + alsa_param->flag = 0; + } + } else if (audec->samplerate >= (24000 + 32000) / 2) { + alsa_param->oversample = 0; + alsa_param->rate = 32000; + if (audec->channels == 1) { + alsa_param->flag = 1; + } else if (audec->channels == 2) { + alsa_param->flag = 0; + } + } else if (audec->samplerate >= (22050 + 24000) / 2) { + alsa_param->flag = 1; + alsa_param->oversample = 1; + alsa_param->rate = 48000; + } else if (audec->samplerate >= (16000 + 22050) / 2) { + alsa_param->flag = 1; + alsa_param->oversample = 1; + alsa_param->rate = 44100; + } else if (audec->samplerate >= (12000 + 16000) / 2) { + alsa_param->flag = 1; + alsa_param->oversample = 1; + alsa_param->rate = 32000; + } else if (audec->samplerate >= (11025 + 12000) / 2) { + alsa_param->flag = 1; + alsa_param->oversample = 2; + alsa_param->rate = 48000; + } else if (audec->samplerate >= (8000 + 11025) / 2) { + alsa_param->flag = 1; + alsa_param->oversample = 2; + alsa_param->rate = 44100; + } else { + alsa_param->flag = 1; + alsa_param->oversample = 2; + alsa_param->rate = 32000; + } + + alsa_param->channelcount = 2; + alsa_param->realchanl = audec->channels; + //alsa_param->rate = audec->samplerate; + alsa_param->format = SND_PCM_FORMAT_S16_LE; + alsa_param->wait_flag = 0; + +#ifdef USE_INTERPOLATION + memset(pass1_history, 0, 64 * sizeof(int)); + memset(pass2_history, 0, 64 * sizeof(int)); +#endif + + sound_card_id = alsa_get_aml_card(); + if (sound_card_id < 0) { + sound_card_id = 0; + adec_print("get aml card fail, use default \n"); + } +#if 0 + if (alsa_get_hdmi_state() == 1) { + sound_dev_id = alsa_get_spdif_port(); + if (sound_dev_id < 0) { + sound_dev_id = 0; + adec_print("get aml card device fail, use default \n"); + } else { + hdmi_out = 1; + } + adec_print("get hdmi device, use hdmi device \n"); + } +#endif + sprintf(sound_card_dev, "hw:%d,%d", sound_card_id, sound_dev_id); + err = snd_pcm_open(&alsa_param->handle, sound_card_dev, SND_PCM_STREAM_PLAYBACK, 0); + if (err < 0) { + adec_print("audio open error: %s", snd_strerror(err)); + return -1; + } + readi_func = snd_pcm_readi; + writei_func = snd_pcm_writei; + readn_func = snd_pcm_readn; + writen_func = snd_pcm_writen; + + set_params(alsa_param); + + out_ops->private_data = (void *)alsa_param; + + /*TODO: create play thread */ + pthread_mutex_init(&alsa_param->playback_mutex, NULL); + pthread_cond_init(&alsa_param->playback_cond, NULL); + err = amthreadpool_pthread_create(&tid, NULL, (void *)alsa_playback_loop, (void *)audec); + if (err != 0) { + adec_print("alsa_playback_loop thread create failed!"); + snd_pcm_close(alsa_param->handle); + return -1; + } + pthread_setname_np(tid, "ALSAOUTLOOP"); + + adec_print("Create alsa playback loop thread success ! tid = %d\n", tid); + + alsa_param->playback_tid = tid; + + return 0; +} + +/** + * \brief start output + * \param audec pointer to audec + * \return 0 on success otherwise negative error code + * + * Call alsa_start(), then the callback will start being called. + */ +int alsa_start(struct aml_audio_dec* audec) +{ + adec_print("alsa out start!\n"); + + audio_out_operations_t *out_ops = &audec->aout_ops; + alsa_param_t *alsa_param = (alsa_param_t *)out_ops->private_data; + + pthread_mutex_lock(&alsa_param->playback_mutex); + adec_print("yvonne pthread_cond_signalalsa_param->wait_flag=1\n"); + alsa_param->wait_flag = 1; //yvonneadded + pthread_cond_signal(&alsa_param->playback_cond); + pthread_mutex_unlock(&alsa_param->playback_mutex); + adec_print("exit alsa out start!\n"); + + return 0; +} + +/** + * \brief pause output + * \param audec pointer to audec + * \return 0 on success otherwise negative error code + */ +int alsa_pause(struct aml_audio_dec* audec) +{ + adec_print("alsa out pause\n"); + + int res; + alsa_param_t *alsa_params; + + alsa_params = (alsa_param_t *)audec->aout_ops.private_data; + pthread_mutex_lock(&alsa_params->playback_mutex); + + alsa_params->pause_flag = 1; + while ((res = snd_pcm_pause(alsa_params->handle, 1)) == -EAGAIN) { + sleep(1); + } + pthread_mutex_unlock(&alsa_params->playback_mutex); + adec_print("exit alsa out pause\n"); + + return res; +} + +/** + * \brief resume output + * \param audec pointer to audec + * \return 0 on success otherwise negative error code + */ +int alsa_resume(struct aml_audio_dec* audec) +{ + adec_print("alsa out rsume\n"); + + int res; + alsa_param_t *alsa_params; + + alsa_params = (alsa_param_t *)audec->aout_ops.private_data; + pthread_mutex_lock(&alsa_params->playback_mutex); + + alsa_params->pause_flag = 0; + while ((res = snd_pcm_pause(alsa_params->handle, 0)) == -EAGAIN) { + sleep(1); + } + pthread_mutex_unlock(&alsa_params->playback_mutex); + + return res; +} + +/** + * \brief stop output + * \param audec pointer to audec + * \return 0 on success otherwise negative error code + */ +int alsa_stop(struct aml_audio_dec* audec) +{ + adec_print("enter alsa out stop\n"); + + alsa_param_t *alsa_params; + + alsa_params = (alsa_param_t *)audec->aout_ops.private_data; + pthread_mutex_lock(&alsa_params->playback_mutex); + alsa_params->pause_flag = 0; + alsa_params->stop_flag = 1; + //alsa_params->wait_flag = 0; + pthread_cond_signal(&alsa_params->playback_cond); + amthreadpool_pthread_join(alsa_params->playback_tid, NULL); + pthread_cond_destroy(&alsa_params->playback_cond); + + + snd_pcm_drop(alsa_params->handle); + snd_pcm_close(alsa_params->handle); + pthread_mutex_unlock(&alsa_params->playback_mutex); + pthread_mutex_destroy(&alsa_params->playback_mutex); + + free(alsa_params); + audec->aout_ops.private_data = NULL; + adec_print("exit alsa out stop\n"); + + return 0; +} + +static int alsa_get_space(alsa_param_t * alsa_param) +{ + snd_pcm_status_t *status; + int ret; + int bits_per_sample = alsa_param->bits_per_sample; + snd_pcm_status_alloca(&status); + if ((ret = snd_pcm_status(alsa_param->handle, status)) < 0) { + adec_print("Cannot get pcm status \n"); + return 0; + } + ret = snd_pcm_status_get_avail(status) * alsa_param->bits_per_sample / 8; + if (ret > alsa_param->buffer_size) { + ret = alsa_param->buffer_size; + } + return ret; +} + +/** + * \brief get output latency in ms + * \param audec pointer to audec + * \return output latency + */ +unsigned long alsa_latency(struct aml_audio_dec* audec) +{ + int buffered_data; + int sample_num; + alsa_param_t *alsa_param = (alsa_param_t *)audec->aout_ops.private_data; + int bits_per_sample = alsa_param->bits_per_sample; + if (tv_mode) { + bits_per_sample = bits_per_sample*4; + } + buffered_data = alsa_param->buffer_size - alsa_get_space(alsa_param); + sample_num = buffered_data / (alsa_param->channelcount * (bits_per_sample / 8)); /*16/2*/ + return ((sample_num * 1000) / alsa_param->rate); +} + +static int alsa_mute(struct aml_audio_dec* audec, adec_bool_t en) +{ + return 0; +} +/** + * \brief get output handle + * \param audec pointer to audec + */ +void get_output_func(struct aml_audio_dec* audec) +{ + audio_out_operations_t *out_ops = &audec->aout_ops; + + out_ops->init = alsa_init; + out_ops->start = alsa_start; + out_ops->pause = alsa_pause; + out_ops->resume = alsa_resume; + out_ops->mute = alsa_mute; + out_ops->stop = alsa_stop; + out_ops->latency = alsa_latency; +} diff --git a/amadec/audio_out/aml_resample.c b/amadec/audio_out/aml_resample.c new file mode 100644 index 0000000..f124ed1 --- a/dev/null +++ b/amadec/audio_out/aml_resample.c @@ -0,0 +1,708 @@ + + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "aml_resample.h" +#include "Amsysfsutils.h" +#include "amconfigutils.h" + + +af_resampe_ctl_t af_resampler_ctx = {0}; +static int pcmfd = -1; +static int get_sysfs_int(const char *path) +{ + int fd; + int val = 0; + char bcmd[16] = {0};; + fd = open(path, O_RDONLY); + if (fd >= 0) { + read(fd, bcmd, 16); + if (bcmd[0] == 'O' && bcmd[1] == 'N') { + val = 1; + } + + else if (bcmd[0] == 'O' && bcmd[1] == 'F') { + val = 0; + } + + else if (bcmd[0] == 'N' && bcmd[1] == 'O') { + val = 0; + } + + else if (bcmd[0] == 'D' && bcmd[1] == 'W') { + val = 1; + } + + else if (bcmd[0] == 'U' && bcmd[1] == 'P') { + val = 2; + } + + //adec_print("value=%s coresponding val=%d\n",bcmd,val); + + close(fd); + } else { + //adec_print("open %s failed\n",path); + } + return val; +} + +static int get_sysfs_str(const char *path, char *valstr, int size) +{ + return amsysfs_get_sysfs_str(path, valstr, size); +} + + +int af_get_resample_enable_flag() +{ + //return get_sysfs_int("sys/class/amaudio/enable_resample"); + return af_resampler_ctx.enable_resample; +} + +int af_get_resample_type() +{ + //return get_sysfs_int("sys/class/amaudio/resample_type"); + return af_resampler_ctx.resample_type; +} + +int af_set_resample_type(int val) +{ + //return amsysfs_set_sysfs_int("sys/class/amaudio/resample_type", val); + af_resampler_ctx.resample_type = val; + return 1; +} + + +void af_resample_linear_init(struct aml_audio_dec *audec) +{ + char value[1028] = {0}; + af_resampe_ctl_t *paf_resampe_ctl; + paf_resampe_ctl = &af_resampler_ctx; + memset(paf_resampe_ctl, 0, sizeof(af_resampe_ctl_t)); + adec_print("af_resample_linear_init 140821-1407"); + audec->pcrtsync_enable = 1; + if (property_get("media.libplayer.pcrtsync_enable", value, NULL) > 0) { + if (!strcmp(value, "0") || !strcmp(value, "false")) { + audec->pcrtsync_enable = 0; + } + } + if (audec->tsync_mode == TSYNC_MODE_PCRMASTER && audec->pcrtsync_enable) { + paf_resampe_ctl->enable_resample = 1; + if (property_get("media.libplayer.enable_resample", value, NULL) > 0) { + paf_resampe_ctl->enable_resample = atoi(value); + } + amsysfs_set_sysfs_int("sys/class/amaudio/enable_resample", paf_resampe_ctl->enable_resample); + //property_set("media.libplayer.resampledelta", "1"); + audec->fill_trackzero_thrsh = TIME_UNIT90K / 2; + if (property_get("media.libplayer.fillzerothrsh", value, NULL) > 0) { + audec->fill_trackzero_thrsh = atoi(value); + } + // add for dolby av sync test + if (property_get("media.libplayer.dolby_test", value, NULL) > 0) { + audec->fill_trackzero_thrsh = 27000; + } + audec->pcrmaster_droppcm_thsh = TIME_UNIT90K / 2; + if (property_get("media.libplayer.pcrdroppcmthsh", value, NULL) > 0) { + audec->pcrmaster_droppcm_thsh = atoi(value); + } + if (pcmfd == -1) { + pcmfd = open("/data/tmp/pcmdump.dat", O_CREAT | O_RDWR, 0666); + if (pcmfd < 0) { + adec_print("creat pcmdump failed!fd=%d\n", pcmfd); + } + } + adec_print("## pcrmaster enable resample,tsync_enable:%d, fill_trackzero_thrsh:%d, ! --\n", audec->pcrtsync_enable, audec->fill_trackzero_thrsh); + } +} + +void af_resample_linear_stop(struct aml_audio_dec *audec) +{ + adec_print("[%s:%d]", __FUNCTION__, __LINE__); + if (audec->tsync_mode == TSYNC_MODE_PCRMASTER) { + amsysfs_set_sysfs_int("sys/class/amaudio/enable_resample", 0); + if (pcmfd >= 0) { + close(pcmfd); + pcmfd = -1; + } + adec_print("## pcrmaster recovery enable_resample! --\n"); + } +} + +static int dsp_pcm_read(aml_audio_dec_t*audec, char *data_in, int len) +{ + int pcm_ret = 0, pcm_cnt_bytes = 0; + int wait_times = 0; + while (pcm_cnt_bytes < len) { + pcm_ret = audec->adsp_ops.dsp_read(&audec->adsp_ops, data_in + pcm_cnt_bytes, len - pcm_cnt_bytes); + if (pcm_ret <= 0) { //indicate there is no data in dsp_buf,still try to read more data: +#if 0 + wait_times++; + adec_print("wait dsp times: %d\n", wait_times); + //usleep(20); + if (wait_times > 1) { + adec_print("NOTE:dsp no enough data!"); + break; + } +#else + //adec_print("can not read out PCM : %d\n", pcm_ret); + break; +#endif + } + pcm_cnt_bytes += pcm_ret; + } + audec->pcm_bytes_readed += pcm_cnt_bytes; + return pcm_cnt_bytes / sizeof(short); +} + +static int pcrmaster_dsp_pcm_read(aml_audio_dec_t*audec, char *data_in, int len) +{ + int pcm_ret = 0, pcm_cnt_bytes = 0; + int wait_times = 0; + while (pcm_cnt_bytes < len) { + pcm_ret = audec->adsp_ops.dsp_read(&audec->adsp_ops, data_in + pcm_cnt_bytes, len - pcm_cnt_bytes); + if (pcm_ret <= 0) { //indicate there is no data in dsp_buf,still try to read more data: +#if 0 + wait_times++; + adec_print("wait dsp times: %d\n", wait_times); + //usleep(20); + if (wait_times > 1) { + adec_print("NOTE:dsp no enough data!"); + break; + } +#else + //adec_print("can not read out PCM : %d\n", pcm_ret); + break; +#endif + } + pcm_cnt_bytes += pcm_ret; + } + audec->pcm_bytes_readed += pcm_cnt_bytes; + return pcm_cnt_bytes; +} + + +void af_resample_api(char* buffer, unsigned int * size, int Chnum, aml_audio_dec_t* audec, int enable, int delta); + +void af_pcrmaster_resample_api(char *buffer, unsigned int *size, int Chnum, aml_audio_dec_t *audec/*, int enable, int delta*/) +{ + int resample_delta = 0; + char value[1028] = {0}; + + int resample_enable = af_resampler_ctx.enable_resample;//enable; + + if (af_resampler_ctx.resample_type == RESAMPLE_TYPE_DOWN) { + resample_delta = 1; + if (property_get("media.libplayer.resampledelta", value, NULL) > 0) { + resample_delta = atoi(value); + } + } else if (af_resampler_ctx.resample_type == RESAMPLE_TYPE_UP) { + resample_delta = -1; + if (property_get("media.libplayer.resampledelta", value, NULL) > 0) { + resample_delta = -atoi(value); + } + } else if (af_resampler_ctx.resample_type == RESAMPLE_TYPE_NONE) { + resample_enable = 0; + resample_delta = 0; + } + //call normal resample api + af_resample_api(buffer, size, Chnum, audec, resample_enable, resample_delta); +} + +#if 1 +af_resampe_ctl_t* af_resampler_ctx_get() +{ + return &af_resampler_ctx; +} + +static void af_resample_linear_coef_get(af_resampe_ctl_t *paf_resampe_ctl) +{ + int SampNumIn = paf_resampe_ctl->SampNumIn; + int SampNumOut = paf_resampe_ctl->SampNumOut; + int *pCoefArray = paf_resampe_ctl->InterpolateCoefArray; + short *pindex = paf_resampe_ctl->InterpolateIndexArray; + int i; + int step_i = (((SampNumIn - 1)) << 14) / (SampNumOut - 1); + int step_forward = 0; + int insert_pos_int = 0; + + if (SampNumIn == SampNumOut) { + for (i = 0; i < SampNumOut; i++) { + pindex[i] = i; + pCoefArray[i] = 0; + } + return; + } + + step_forward = 0; + for (i = 1; i <= SampNumOut - 2; i++) { + step_forward += step_i; + insert_pos_int += Q14_INT_GET(step_forward); + pindex[i] = insert_pos_int; + pCoefArray[i] = Q14_FRA_GET(step_forward); + step_forward = Q14_FRA_GET(step_forward); + } + pindex[0] = 0; + pCoefArray[0] = 0; + pindex[SampNumOut - 1] = SampNumOut - 1; + pCoefArray[SampNumOut - 1] = 0; +} + + +static int audiodsp_set_pcm_resample_delta(int resample_num_delta) +{ + int utils_fd, ret; + + utils_fd = open("/dev/amaudio_utils", O_RDWR); + if (utils_fd >= 0) { + ret = ioctl(utils_fd, AMAUDIO_IOC_SET_RESAMPLE_DELTA, resample_num_delta); + if (ret < 0) { + adec_print(" AMAUDIO_IOC_SET_RESAMPLE_DELTA failed\n"); + close(utils_fd); + return -1; + } + //adec_print("Notify kernel: \n",resample_num_delta); + close(utils_fd); + return 0; + } + return -1; +} +void af_resample_set_SampsNumRatio(af_resampe_ctl_t *paf_resampe_ctl) +{ + char value[1028] = {0}; + int resample_type = af_get_resample_type(); + int default_DELTA_NUMSAMPS = RESAMPLE_DELTA_NUMSAMPS; + if (property_get("media.libplayer.resampledelta", value, NULL) > 0) { + default_DELTA_NUMSAMPS = atoi(value); + } + if (am_getconfig_bool("media.libplayer.wfd")) { + default_DELTA_NUMSAMPS = 2; + } + audiodsp_set_pcm_resample_delta(default_DELTA_NUMSAMPS); + paf_resampe_ctl->LastResamType = resample_type; + //adec_print("ReSample Coef Init: type/%d DELTA_NUMSAMPS/%d ",resample_type,default_DELTA_NUMSAMPS); + //memset(paf_resampe_ctl,0,sizeof(af_resampe_ctl_t)); + if (resample_type == RESAMPLE_TYPE_NONE) { + paf_resampe_ctl->SampNumIn = DEFALT_NUMSAMPS_PERCH; + paf_resampe_ctl->SampNumOut = DEFALT_NUMSAMPS_PERCH; + } else if (resample_type == RESAMPLE_TYPE_DOWN) { + paf_resampe_ctl->SampNumIn = DEFALT_NUMSAMPS_PERCH + default_DELTA_NUMSAMPS; + paf_resampe_ctl->SampNumOut = DEFALT_NUMSAMPS_PERCH ; + } else if (resample_type == RESAMPLE_TYPE_UP) { + paf_resampe_ctl->SampNumIn = DEFALT_NUMSAMPS_PERCH - default_DELTA_NUMSAMPS; + paf_resampe_ctl->SampNumOut = DEFALT_NUMSAMPS_PERCH; + } + af_resample_linear_coef_get(paf_resampe_ctl); + paf_resampe_ctl->ResevedSampsValid = 0; + paf_resampe_ctl->OutSampReserveLen = 0; + paf_resampe_ctl->InitFlag = 1; + +} + + +int af_get_delta_inputsampnum(af_resampe_ctl_t *paf_resampe_ctl, int Nch) +{ + return paf_resampe_ctl->SampNumIn * Nch - paf_resampe_ctl->ResevedSampsValid; + +} + +void af_get_unpro_inputsampnum(af_resampe_ctl_t *paf_resampe_ctl, short *buf, int *num) +{ + if (*num >= paf_resampe_ctl->ResevedSampsValid) { + memcpy(buf, paf_resampe_ctl->ResevedBuf, paf_resampe_ctl->ResevedSampsValid * sizeof(short)); + *num = paf_resampe_ctl->ResevedSampsValid; + paf_resampe_ctl->ResevedSampsValid = 0; + + } else { //*num < paf_resampe_ctl->ResevedSampsValid + memcpy(buf, paf_resampe_ctl->ResevedBuf, (*num)*sizeof(short)); + memmove(paf_resampe_ctl->ResevedBuf, + paf_resampe_ctl->ResevedBuf + (*num), + (paf_resampe_ctl->ResevedSampsValid - (*num))*sizeof(short) + ); + paf_resampe_ctl->ResevedSampsValid -= (*num); + } + +} + + + +void af_get_pcm_in_resampler(af_resampe_ctl_t *paf_resampe_ctl, short*buf, int *len) +{ + int NumSamp_out = *len; + int rest_pcm_nums = 0; + if ((NumSamp_out >= 0) && (NumSamp_out < paf_resampe_ctl->OutSampReserveLen)) { + rest_pcm_nums = paf_resampe_ctl->OutSampReserveLen - NumSamp_out; + memcpy(buf, paf_resampe_ctl->OutSampReserveBuf, NumSamp_out * sizeof(short)); + memmove(paf_resampe_ctl->OutSampReserveBuf, + paf_resampe_ctl->OutSampReserveBuf + NumSamp_out, + rest_pcm_nums * sizeof(short)); + + } else if (NumSamp_out >= paf_resampe_ctl->OutSampReserveLen) { + memcpy(buf, paf_resampe_ctl->OutSampReserveBuf, + paf_resampe_ctl->OutSampReserveLen * sizeof(short)); + NumSamp_out = paf_resampe_ctl->OutSampReserveLen; + rest_pcm_nums = 0; + } + *len = NumSamp_out; + paf_resampe_ctl->OutSampReserveLen = rest_pcm_nums; +} + +void af_resample_process_linear_inner(af_resampe_ctl_t *paf_resampe_ctl, short *data_in, int *NumSamp_in, short* data_out, int* NumSamp_out, int NumCh) +{ + + int index, ChId; + int NumSampsPerCh_in = (*NumSamp_in) / NumCh; + int NumSampsPerCh_Pre = paf_resampe_ctl->ResevedSampsValid / NumCh; + + int NumSampsPerCh_out; + short buf16_in[MAX_NUMSAMPS_PERCH]; + short buf16_in_valid; + short *pPreSamps = paf_resampe_ctl->ResevedBuf; + short *pindex = paf_resampe_ctl->InterpolateIndexArray; + int *pcoef = paf_resampe_ctl->InterpolateCoefArray; + int input_offset = 0, output_offset = 0; + int cur_out_samp_reserve_num = 0; + + if (!paf_resampe_ctl->InitFlag) { + af_resample_set_SampsNumRatio(paf_resampe_ctl); + } + //indecate at the end of pcm stream + if (NumSampsPerCh_Pre + NumSampsPerCh_in < paf_resampe_ctl->SampNumIn) { + memcpy(pPreSamps + paf_resampe_ctl->ResevedSampsValid, data_in, (*NumSamp_in)*sizeof(short)); + paf_resampe_ctl->ResevedSampsValid += (*NumSamp_in); + //memcpy(data_out,paf_resampe_ctl->ResevedBuf,paf_resampe_ctl->ResevedSampsValid); + //*NumSamp_out=paf_resampe_ctl->ResevedSampsValid; + *NumSamp_out = 0; + } else { + int NumSampsPerCh_Rest = NumSampsPerCh_Pre + NumSampsPerCh_in - paf_resampe_ctl->SampNumIn; + input_offset += (paf_resampe_ctl->SampNumIn - NumSampsPerCh_Pre) * NumCh; + output_offset += paf_resampe_ctl->OutSampReserveLen; + memcpy(pPreSamps + paf_resampe_ctl->ResevedSampsValid, data_in, sizeof(short)*input_offset); + memcpy(data_out, paf_resampe_ctl->OutSampReserveBuf, sizeof(short)*paf_resampe_ctl->OutSampReserveLen); + buf16_in_valid = paf_resampe_ctl->SampNumIn; + for (ChId = 0; ChId < NumCh; ChId++) { + for (index = 0; index < buf16_in_valid; index++) { + buf16_in[index] = pPreSamps[NumCh * index + ChId]; + } + for (index = 0; index < paf_resampe_ctl->SampNumOut - 1; index++) { + int pos = pindex[index]; + short t16; + t16 = buf16_in[pos] + Q14_INT_GET((pcoef[index] * (buf16_in[pos + 1] - buf16_in[pos]))); + data_out[output_offset + NumCh * index + ChId] = t16; + } + data_out[output_offset + NumCh * (paf_resampe_ctl->SampNumOut - 1) + ChId] = buf16_in[buf16_in_valid - 1]; + } + output_offset += paf_resampe_ctl->SampNumOut * NumCh; + paf_resampe_ctl->ResevedSampsValid = 0; + + while (NumSampsPerCh_Rest > paf_resampe_ctl->SampNumIn) { + buf16_in_valid = paf_resampe_ctl->SampNumIn; + for (ChId = 0; ChId < NumCh; ChId++) { + for (index = 0; index < buf16_in_valid; index++) { + buf16_in[index] = data_in[input_offset + NumCh * index + ChId]; + } + for (index = 0; index < paf_resampe_ctl->SampNumOut - 1; index++) { + int pos = pindex[index]; + short t16; + t16 = buf16_in[pos] + Q14_INT_GET(((int64_t)pcoef[index] * (buf16_in[pos + 1] - buf16_in[pos]))); + data_out[output_offset + NumCh * index + ChId] = t16; + } + data_out[output_offset + NumCh * (paf_resampe_ctl->SampNumOut - 1) + ChId] = buf16_in[buf16_in_valid - 1]; + } + NumSampsPerCh_Rest -= paf_resampe_ctl->SampNumIn; + input_offset += paf_resampe_ctl->SampNumIn * NumCh; + output_offset += paf_resampe_ctl->SampNumOut * NumCh; + } + cur_out_samp_reserve_num = output_offset % (DEFALT_NUMSAMPS_PERCH * NumCh) ; + paf_resampe_ctl->OutSampReserveLen = cur_out_samp_reserve_num; + + memcpy(paf_resampe_ctl->OutSampReserveBuf, + data_out + output_offset - cur_out_samp_reserve_num, + sizeof(short)*cur_out_samp_reserve_num); + *NumSamp_out = output_offset - cur_out_samp_reserve_num; + + if (input_offset < (*NumSamp_in)) { + memcpy(pPreSamps, data_in + input_offset, sizeof(short)*NumSampsPerCh_Rest * NumCh); + paf_resampe_ctl->ResevedSampsValid = NumSampsPerCh_Rest * NumCh; + } else { + paf_resampe_ctl->ResevedSampsValid = 0; + } + } +} + +void af_resample_stop_process(af_resampe_ctl_t *paf_resampe_ctl) +{ + //memcpy(pPreservedSamps,paf_resampe_ctl->OutSampReserveBuf,sizeof(short)*paf_resampe_ctl->OutSampReserveLen); + //memcpy(pPreservedSamps+paf_resampe_ctl->OutSampReserveLen,paf_resampe_ctl->ResevedBuf,sizeof(short)*paf_resampe_ctl->ResevedSampsValid); + //*SampNum=paf_resampe_ctl->OutSampReserveLen + paf_resampe_ctl->ResevedSampsValid; + // paf_resampe_ctl->ResevedSampsValid=0; + //paf_resampe_ctl->OutSampReserveLen=0; + if (paf_resampe_ctl->InitFlag != 0) { + audiodsp_set_pcm_resample_delta(0); + } + paf_resampe_ctl->InitFlag = 0; + paf_resampe_ctl->LastResamType = 0; + // adec_print("resample stop INIT_FLAG=%d\n",paf_resampe_ctl->InitFlag); +} + +#define MAXCH_NUMBER 8 +#define MAXFRAMESIZE 8192 +short date_temp[MAXCH_NUMBER*MAXFRAMESIZE]; +extern int android_reset_track(struct aml_audio_dec* audec); +/** + * try to read as much data as len from dsp buffer + */ + +static void dump_pcm_bin(char *path, char *buf, int size) +{ + FILE *fp = fopen(path, "ab+"); + if (fp != NULL) { + fwrite(buf, 1, size, fp); + fclose(fp); + } +} + +#define RESAMPLE_FRAMES 128 +void af_resample_api(char* buffer, unsigned int * size, int Chnum, aml_audio_dec_t* audec, int enable, int delta) +{ + short data_in[RESAMPLE_FRAMES * 2]; + short *pbuf; + int resample_enable; + int resample_type; + int resample_delta; + int sample_read; + int num_sample = 0; + int i, j, k, h; + int request = *size; + int dsp_read = 0; + static int last_resample_enable = 0; + static int last_delta = 0; + pbuf = (short*)date_temp; + unsigned index = 0; + float mPhaseFraction; + float phaseIncrement ; + float mPhaseFraction1; + unsigned in_sr; + unsigned out_sr; + short *input; + short *output; + unsigned frames = 0; + in_sr = (RESAMPLE_FRAMES - 1); + out_sr = (RESAMPLE_FRAMES - delta - 1); + phaseIncrement = (float)in_sr / out_sr; + resample_enable = enable; + //resample_delta = 0;i + resample_delta = delta; + + if (last_resample_enable != resample_enable || last_delta != delta) { + adec_print("resample changed: %s,delta %d\n", resample_enable ? "Enabled" : "Disabled", delta); + last_resample_enable = resample_enable; + last_delta = delta; + } + + if (resample_enable && resample_delta && *size >= RESAMPLE_FRAMES * sizeof(short)*Chnum) { + //adec_print("resample start ... %d, step=%d\n", *size, resample_delta); + if (resample_delta < 0) { + *size = *size * RESAMPLE_FRAMES / (RESAMPLE_FRAMES - resample_delta); + *size &= ~(2 * Chnum - 1); + } + sample_read = dsp_pcm_read(audec, pbuf, *size); // return mono sample number + dsp_read += sample_read; + //adec_print("dsp read %d\n", sample_read); + k = 0; + while (sample_read >= RESAMPLE_FRAMES * Chnum) { + mPhaseFraction = 0; + mPhaseFraction1 = 0; + index = 0; + input = (short*)pbuf + frames * Chnum; + output = (short*)buffer + k * Chnum; + for (j = 0; j < RESAMPLE_FRAMES - resample_delta; j++) { + if (Chnum == 2) { + output[2 * j] = input[index * 2] + (short)((input[(index + 1) * 2] - input[index * 2]) * mPhaseFraction1); + output[2 * j + 1] = input[index * 2 + 1] + (short)((input[(index + 1) * 2 + 1] - input[index * 2 + 1]) * mPhaseFraction1); + } else if (Chnum == 1) { + output[j] = input[index] + (short)((input[(index + 1)] - input[index]) * mPhaseFraction1); + } else { + adec_print("fatal error,only support 1 ch ,2ch audio sample \n"); + return ; + } + mPhaseFraction += phaseIncrement; + index = mPhaseFraction; + mPhaseFraction1 = mPhaseFraction - index; + k++; + } + frames += RESAMPLE_FRAMES; + sample_read -= RESAMPLE_FRAMES * Chnum; + } + if (sample_read > 0) { + memcpy((short*)buffer + k * Chnum, (short*)pbuf + frames * Chnum, sample_read * sizeof(short)); + k += sample_read / Chnum; + } + + + num_sample = k * sizeof(short) * Chnum; + if (num_sample < *size) { + sample_read = dsp_pcm_read(audec, pbuf, *size - num_sample); + dsp_read += sample_read; + if (sample_read > 0) { + memcpy((short*)buffer + k * Chnum, pbuf, sample_read * sizeof(short)); + k += sample_read / Chnum; + } + } + *size = k * sizeof(short) * Chnum; + //adec_print("resample end ... %d\n", *size); + } else { + sample_read = dsp_pcm_read(audec, pbuf, *size - num_sample); + memcpy(buffer, pbuf, sample_read * sizeof(short)); + *size = sample_read * sizeof(short); + } + //adec_print("resample size from %d to %d, original %d\n", request, *size, dsp_read); +} + +void af_resample_api_normal(char *buffer, unsigned int *size, int Chnum, aml_audio_dec_t *audec) +{ + int len; + int resample_enable; + af_resampe_ctl_t *paf_resampe_ctl; + short data_in[MAX_NUMSAMPS_PERCH * DEFALT_NUMCH], *data_out; + short outbuftmp16[MAX_NUMSAMPS_PERCH * DEFALT_NUMCH]; + int NumSamp_in, NumSamp_out, NumCh, NumSampRequir = 0; + static int print_flag = 0; + int outbuf_offset = 0; + int dsp_format_changed_flag = 0; + static int pcm_left_len = -1; + //------------------------------------------ + NumCh = Chnum; //buffer->channelCount; + resample_enable = af_get_resample_enable_flag(); + paf_resampe_ctl = af_resampler_ctx_get(); + data_out = date_temp; //buffer->i16 + NumSamp_out = *size / sizeof(short); //buffer->size/sizeof(short); + if (NumSamp_out > MAXCH_NUMBER * MAXFRAMESIZE) { + NumSamp_out = MAXCH_NUMBER * MAXFRAMESIZE; + } + NumSampRequir = NumSamp_out; + int resample_type = af_get_resample_type(); + + //adec_print("REQURE_NUM-----------------------------%d\n",NumSamp_out); + + //------------------------------- + //add this part for support rapid Resample_Type covet: + if (resample_enable) { + if (paf_resampe_ctl->LastResamType != resample_type) { + //adec_print("ReSample Type Changed: FromTYpe/%d ToType/%d \n", + // paf_resampe_ctl->LastResamType,resample_type); + amsysfs_set_sysfs_int("sys/class/amaudio/resample_type", resample_type); + if ((paf_resampe_ctl->OutSampReserveLen == 0) // to ensure phase continue: + && (paf_resampe_ctl->ResevedSampsValid == 0)) { + //adec_print("ReSample Type Changed: ENABLE"); + af_resample_stop_process(paf_resampe_ctl); + } else { + //adec_print("ReSample Type Changed DISABLE:"); + // adec_print(" OutSampSaved/%d InSampSaved/%d in Resampler!", + // paf_resampe_ctl->OutSampReserveLen,paf_resampe_ctl->ResevedSampsValid); + resample_enable = 0; + } + + } + } + //------------------------------- + if (resample_enable) { + int pcm_cnt = 0; + if (!paf_resampe_ctl->InitFlag) { + af_resample_set_SampsNumRatio(paf_resampe_ctl); + } + af_get_pcm_in_resampler(paf_resampe_ctl, data_out + outbuf_offset, &NumSampRequir); + + //adec_print("RETURN_SIZE_1:%d OutSampReserve=%d \n",NumSampRequir,paf_resampe_ctl->OutSampReserveLen); + + outbuf_offset += NumSampRequir; + NumSamp_out -= NumSampRequir; + while (NumSamp_out >= DEFALT_NUMSAMPS_PERCH * NumCh) { + int delta_input_sampsnum = af_get_delta_inputsampnum(paf_resampe_ctl, NumCh); + NumSamp_in = dsp_pcm_read(audec, (char*)data_in, delta_input_sampsnum * sizeof(short)); + af_resample_process_linear_inner(paf_resampe_ctl, data_in, &NumSamp_in, data_out + outbuf_offset, &pcm_cnt, NumCh); + + //adec_print("RETURN_SIZE_2:%d OutSampReserve=%d \n",pcm_cnt,paf_resampe_ctl->OutSampReserveLen); + + if (pcm_cnt == 0) { + goto resample_out; + } + outbuf_offset += pcm_cnt; + NumSamp_out -= pcm_cnt; + } + + if (NumSamp_out > 0) { + int delta_input_sampsnum = af_get_delta_inputsampnum(paf_resampe_ctl, NumCh); + NumSamp_in = dsp_pcm_read(audec, (char*)data_in, delta_input_sampsnum * sizeof(short)); + af_resample_process_linear_inner(paf_resampe_ctl, data_in, &NumSamp_in, outbuftmp16, &pcm_cnt, NumCh); + if (pcm_cnt == 0) { + goto resample_out; + } + + //adec_print("RETURN_SIZE_3:%d OutSampReserve=%d \n",NumSamp_out,pcm_cnt-NumSamp_out); + + memcpy(data_out + outbuf_offset, outbuftmp16, NumSamp_out * sizeof(short)); + outbuf_offset += NumSamp_out; + memcpy(paf_resampe_ctl->OutSampReserveBuf, outbuftmp16 + NumSamp_out, (pcm_cnt - NumSamp_out)*sizeof(short)); + paf_resampe_ctl->OutSampReserveLen = (pcm_cnt - NumSamp_out); + } + + } else { + if (paf_resampe_ctl->OutSampReserveLen > 0) { + af_get_pcm_in_resampler(paf_resampe_ctl, data_out + outbuf_offset, &NumSampRequir); + //adec_print("RETURN_SIZE_4:%d OutSampReserve=%d \n",NumSampRequir,paf_resampe_ctl->OutSampReserveLen); + outbuf_offset += NumSampRequir; + NumSamp_out -= NumSampRequir; + NumSampRequir = NumSamp_out; + } + + if (paf_resampe_ctl->ResevedSampsValid > 0) { + af_get_unpro_inputsampnum(paf_resampe_ctl, data_out + outbuf_offset, &NumSampRequir); + //adec_print("RETURN_SIZE_5:%d OutSampReserve=%d \n",NumSampRequir,paf_resampe_ctl->ResevedSampsValid); + outbuf_offset += NumSampRequir; + NumSamp_out -= NumSampRequir; + } + + if ((paf_resampe_ctl->OutSampReserveLen == 0) && (paf_resampe_ctl->ResevedSampsValid == 0)) { + af_resample_stop_process(paf_resampe_ctl); + } + + if (NumSamp_out > 0) { + len = audec->adsp_ops.dsp_read(&audec->adsp_ops, (char*)(data_out + outbuf_offset), NumSamp_out * sizeof(short)); + outbuf_offset += len / sizeof(short); + audec->pcm_bytes_readed += len; + } + } +resample_out: + + *size = outbuf_offset * sizeof(short); + memcpy(buffer, data_out, *size); + if (pcmfd >= 0) { + write(pcmfd, buffer, *size); + } + //------------------------------------ + dsp_format_changed_flag = audiodsp_format_update(audec); + if (dsp_format_changed_flag > 0) { + pcm_left_len = audiodsp_get_pcm_left_len(); + } + if (pcm_left_len >= 0) { + if (pcm_left_len > (*size)) { + pcm_left_len -= (*size); + memset((char*)(data_out), 0, *size); + } else if (pcm_left_len <= (*size)) { + memset((char*)(data_out), 0, pcm_left_len); + pcm_left_len = -1; + + } + } + //dump_pcm_bin("/data/post1.pcm",(char*)(buffer->i16),buffer->size); + //--------------------------------------------- + +} +#endif diff --git a/amadec/audio_out/aml_resample.h b/amadec/audio_out/aml_resample.h new file mode 100644 index 0000000..150cbff --- a/dev/null +++ b/amadec/audio_out/aml_resample.h @@ -0,0 +1,86 @@ + +#ifndef __AML_RESAMPLE_H__ +#define __AML_RESAMPLE_H__ + +#include +#include +#include +#define Q14(ratio) ((ratio)*(1<<14)) +#define Q14_INT_GET(value) ((value)>>14) +#define Q14_FRA_GET(value) ((value)&0x3fff) + +#define RESAMPLE_DELTA_NUMSAMPS 1 +#define DEFALT_NUMSAMPS_PERCH 128 +#define MAX_NUMSAMPS_PERCH (DEFALT_NUMSAMPS_PERCH + RESAMPLE_DELTA_NUMSAMPS) +#define DEFALT_NUMCH 2 + +#define RESAMPLE_TYPE_NONE 0 +#define RESAMPLE_TYPE_DOWN 1 +#define RESAMPLE_TYPE_UP 2 + +#define RESAMPLE_DOWN_FORCE_PCR_SLOW 3 + +typedef struct af_resampe_ctl_s { + int SampNumIn; + int SampNumOut; + int InterpolateCoefArray[MAX_NUMSAMPS_PERCH]; + short InterpolateIndexArray[MAX_NUMSAMPS_PERCH]; + short ResevedBuf[MAX_NUMSAMPS_PERCH*DEFALT_NUMCH]; + short ResevedSampsValid; + short OutSampReserveBuf[MAX_NUMSAMPS_PERCH*DEFALT_NUMCH]; + short OutSampReserveLen; + short InitFlag; + short LastResamType; + int resample_type; + short enable_resample; +} af_resampe_ctl_t; + +void af_resample_linear_init(struct aml_audio_dec* audec); + +void af_resample_linear_stop(struct aml_audio_dec* audec); + +int af_get_resample_enable_flag(); + +af_resampe_ctl_t* af_resampler_ctx_get(); + +void af_resample_set_SampsNumRatio(af_resampe_ctl_t *paf_resampe_ctl); + +void af_get_pcm_in_resampler(af_resampe_ctl_t *paf_resampe_ctl, short*buf, int *len); + + +void af_resample_process_linear_inner(af_resampe_ctl_t *paf_resampe_ctl, + short *data_in, int *NumSamp_in, + short* data_out, int* NumSamp_out, int NumCh); +void af_resample_stop_process(af_resampe_ctl_t *paf_resampe_ctl); + + +int af_get_delta_inputsampnum(af_resampe_ctl_t *paf_resampe_ctl, int Nch); + +void af_get_unpro_inputsampnum(af_resampe_ctl_t *paf_resampe_ctl, short *buf, int *num); + +void af_resample_api_normal(char *buffer, unsigned int *size, int Chnum, aml_audio_dec_t *audec); + +void af_resample_api(char* buffer, unsigned int * size, int Chnum, aml_audio_dec_t* audec, int enable, int delta); + +int af_set_resample_type(int val); + +void af_pcrmaster_resample_api(char *buffer, unsigned int *size, int Chnum, aml_audio_dec_t *audec/*, int enable, int delta*/); + +#endif + + + + + + + + + + + + + + + + + diff --git a/amadec/audio_out/android-out.cpp b/amadec/audio_out/android-out.cpp new file mode 100755 index 0000000..d380ca3 --- a/dev/null +++ b/amadec/audio_out/android-out.cpp @@ -0,0 +1,1640 @@ +/** + * \file android-out.cpp + * \brief Functions of Auduo output control for Android Platform + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +extern "C" { +#include +#include +#include +#include "aml_resample.h" +#include +#include +#include +} +#include "adec-external-ctrl.h" +namespace android +{ + +#if ANDROID_PLATFORM_SDK_VERSION >= 21 +//android 5.0 level= 20 +#define AUDIO_FORMAT_EAC3 AUDIO_FORMAT_E_AC3 +#endif +#if ANDROID_PLATFORM_SDK_VERSION >= 23 +#define AUDIO_FORMAT_DTS_MASTER 0x0E000000UL +#endif +#define DOLBY_SYSTEM_CHANNEL "ds1.audio.multichannel.support" +static Mutex mLock; +static Mutex mLock_raw; +//get default output sample rate which maybe changed by raw output +static int default_sr = 48000; +static int fill_audiotrack_zero = 0; +static int buffering_audio_data = 0; +static int skip_unnormal_discontinue = 0; +static int unnormal_discontinue = 0; +static int unnormal_discontinue1 = 0; +extern "C" int get_audio_decoder(void); +static int get_digitalraw_mode(void) +{ + return amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw"); +} +#define DTSETC_DECODE_VERSION_CORE 350 +#define DTSETC_DECODE_VERSION_M6_M8 380 +#define DTSHD_IEC958_PKTTYPE_CORE 0 //common feature for DTSETC_DECODE_VERSION 350/380,so set it to 0 by default +#define DTSHD_IEC958_PKTTYPE_SINGLEI2S 1 +#define DTSHD_IEC958_PKTTYPE_FOURI2S 2 + +void restore_system_samplerate(struct aml_audio_dec* audec) +{ +#if defined(ANDROID_VERSION_JBMR2_UP) + unsigned int sr = 0; +#else + int sr = 0; +#endif + if( audec->format == ACODEC_FMT_TRUEHD || + (audec->format==ACODEC_FMT_DTS && audec->VersionNum==DTSETC_DECODE_VERSION_M6_M8 && audec->DTSHDIEC958_FS>192000 && amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw")==2)) + { + ;//do nothing + }else if(audec->samplerate == 48000 || (audec->format != ACODEC_FMT_DTS && \ + audec->format != ACODEC_FMT_AC3 && audec->format != ACODEC_FMT_EAC3 && + audec->format != ACODEC_FMT_TRUEHD)) + return ; + audio_io_handle_t handle = -1; +//for mx, raw/pcm use the same audio hal +#ifndef USE_ARM_AUDIO_DEC + handle = AudioSystem::getOutput(AUDIO_STREAM_MUSIC, + 48000, + AUDIO_FORMAT_PCM_16_BIT, + AUDIO_CHANNEL_OUT_STEREO, +#if defined(_VERSION_ICS) + AUDIO_POLICY_OUTPUT_FLAG_INDIRECT +#else //JB... + AUDIO_OUTPUT_FLAG_PRIMARY +#endif + ); + if(handle > 0){ + char str[64]; + memset(str,0,sizeof(str)); + sprintf(str,"sampling_rate=%d",default_sr); + AudioSystem::setParameters(handle, String8(str)); + } +#else +//for M8, raw/pcm output use different HAL, so only check the raw output device + handle = AudioSystem::getOutput(AUDIO_STREAM_MUSIC, + 48000, + AUDIO_FORMAT_AC3, //use AC3 as the format tag for all raw output + AUDIO_CHANNEL_OUT_STEREO, +#if defined(_VERSION_ICS) + AUDIO_POLICY_OUTPUT_FLAG_INDIRECT +#else //JB... + AUDIO_OUTPUT_FLAG_DIRECT +#endif + ); + + if(handle > 0){ + char str[64]; + memset(str,0,sizeof(str)); + sprintf(str,"sampling_rate=%d",default_sr); + AudioSystem::setParameters(handle, String8(str)); +#if ANDROID_PLATFORM_SDK_VERSION >= 22 + AudioSystem::releaseOutput(handle, AUDIO_STREAM_DEFAULT, AUDIO_SESSION_OUTPUT_STAGE); +#else + AudioSystem::releaseOutput(handle); +#endif + }else{ + adec_print("WARNIN: handle/%d resetore sysFs failed!\n",handle); + } +#endif +} + +#if defined(ANDROID_VERSION_JBMR2_UP) +static size_t old_frame_count = 0; +#else +static int old_frame_count = 0; +#endif + +void restore_system_framesize() +{ + if(old_frame_count == 0){ + adec_print("frame size can't be zero !\n"); + return; + } + adec_print("restore system frame size\n"); + int sr = 0; + audio_io_handle_t handle = -1; + handle = AudioSystem::getOutput(AUDIO_STREAM_MUSIC, + 48000, + AUDIO_FORMAT_PCM_16_BIT, + AUDIO_CHANNEL_OUT_STEREO, +#if defined(_VERSION_ICS) + AUDIO_POLICY_OUTPUT_FLAG_INDIRECT +#else //JB... + AUDIO_OUTPUT_FLAG_PRIMARY +#endif + ); + if(handle > 0){ + char str[64]; + int ret; + memset(str,0,sizeof(str)); +#if defined(ANDROID_VERSION_JBMR2_UP) + sprintf(str,"frame_count=%zd",old_frame_count); + ret = AudioSystem::setParameters(handle, String8(str)); + adec_print("restore frame success: %zd\n", old_frame_count); +#else + sprintf(str,"frame_count=%zd",old_frame_count); + ret = AudioSystem::setParameters(handle, String8(str)); + adec_print("restore frame success: %zd\n", old_frame_count); +#endif + } +} + +void reset_system_samplerate(struct aml_audio_dec* audec) +{ + unsigned digital_raw = 0; + audio_io_handle_t handle = -1; + int dtsFS_88_96_Directout=0; + digital_raw = get_digitalraw_mode(); + if(audec->format == ACODEC_FMT_DTS && audec->samplerate>48000 && !digital_raw) + { + char tmp[128]={0}; + if(property_get("media.libplayer.88_96K", tmp, "0") > 0 && !strcmp(tmp, "1")) + dtsFS_88_96_Directout=1; + } + if(!audec || (!digital_raw && audec->channels!=8 && !dtsFS_88_96_Directout)) + return; + /* + 1)32k,44k dts + 2) 32k,44k ac3 + 3)44.1k eac3 when hdmi passthrough + 4)32k,44k eac3 when spdif pasthrough + */ + adec_print("[%s %d]format %d,audec->samplerate%d DTSHDIEC958_FS/%d\n",__FUNCTION__,__LINE__,audec->format ,audec->samplerate,audec->DTSHDIEC958_FS ); + int Samplerate=audec->samplerate; + int dts_raw_reset_sysFS=0; + if( (audec->format == ACODEC_FMT_DTS && digital_raw==1) + ||(audec->format == ACODEC_FMT_DTS && digital_raw==2 && audec->VersionNum!=DTSETC_DECODE_VERSION_M6_M8) + ||(audec->format == ACODEC_FMT_DTS && digital_raw==2 && audec->VersionNum==DTSETC_DECODE_VERSION_M6_M8 && audec->DTSHDIEC958_PktType==DTSHD_IEC958_PKTTYPE_CORE) + ) + { //DTS raw_stream Directoutput + if(audec->samplerate%48000!=0) + dts_raw_reset_sysFS=1; + if(audec->samplerate==32000 || audec->samplerate==44100) + Samplerate=audec->samplerate; + else if(audec->samplerate==88200 || audec->samplerate==96000) + Samplerate=audec->samplerate/2; + else if(audec->samplerate==176400 || audec->samplerate==192000) + Samplerate=audec->samplerate/4; + else{ + adec_print("[%s %d] Unvalid samplerate/%d for DTSCore Rawoutput\n",__FUNCTION__,__LINE__,audec->samplerate); + return; + } + }else if(audec->format == ACODEC_FMT_DTS && digital_raw==2 && audec->VersionNum==DTSETC_DECODE_VERSION_M6_M8 && audec->DTSHDIEC958_PktType==DTSHD_IEC958_PKTTYPE_SINGLEI2S){ + //DTSHD SingleI2s raw_stream Directoutput + if(audec->DTSHDIEC958_FS==48000||audec->DTSHDIEC958_FS==44100) + { + Samplerate=audec->DTSHDIEC958_FS; + }else if(audec->DTSHDIEC958_FS==192000||audec->DTSHDIEC958_FS==1764000){ + Samplerate =audec->DTSHDIEC958_FS/4; + }else{ + adec_print("[%s %d] Unvalid DTSHDIEC958_FS/%d for DTSHD RawOutput\n",__FUNCTION__,__LINE__,audec->DTSHDIEC958_FS); + return; + } + if(Samplerate%48000!=0) + dts_raw_reset_sysFS=1; + }else if(audec->format==ACODEC_FMT_DTS && digital_raw==2&& audec->VersionNum==DTSETC_DECODE_VERSION_M6_M8&& audec->DTSHDIEC958_PktType==DTSHD_IEC958_PKTTYPE_FOURI2S){ + //DTSLL FourI2s raw_stream Directoutput + if(audec->DTSHDIEC958_FS==192000||audec->DTSHDIEC958_FS==384000 || audec->DTSHDIEC958_FS==768000 || + audec->DTSHDIEC958_FS==176400||audec->DTSHDIEC958_FS==352800 || audec->DTSHDIEC958_FS==705600) + { + Samplerate=audec->DTSHDIEC958_FS/4; + }else{ + adec_print("[%s %d] Unvalid DTSHDIEC958_FS/%d for DTSLL RawOutput\n",__FUNCTION__,__LINE__,audec->DTSHDIEC958_FS); + return; + } + if(Samplerate!=48000) + dts_raw_reset_sysFS=1; + }else if(audec->format == ACODEC_FMT_DTS&& (audec->samplerate>48000|| (audec->channels==8&&audec->samplerate!=48000))){ + //DTS HD_PCM(FS>48000) Directoutput/8ch DTS_PCM output + dts_raw_reset_sysFS=1; + Samplerate=audec->samplerate; + }else if(audec->format == ACODEC_FMT_TRUEHD && (digital_raw == 1 || digital_raw == 2)){ + //Dobly TrueHD RawOutput + Samplerate = 192000; + } + if( (audec->format == ACODEC_FMT_AC3 && (audec->samplerate == 32000 || audec->samplerate == 44100)) + ||(audec->format == ACODEC_FMT_EAC3 && digital_raw == 2 && audec->samplerate == 44100) + ||(audec->format == ACODEC_FMT_EAC3 && digital_raw == 1 && (audec->samplerate == 32000 || audec->samplerate == 44100)) + || dts_raw_reset_sysFS + ||(audec->format == ACODEC_FMT_TRUEHD && (digital_raw == 1 || digital_raw == 2)/* && + (audec->samplerate == 192000 || audec->samplerate == 96000)*/)) + + { + adec_print("[%s %d]Change AudioSysFS to/%d\n",__FUNCTION__,__LINE__,Samplerate); + int sr = 0; + if(/*sr*/48000 != Samplerate){ +#ifndef USE_ARM_AUDIO_DEC + handle = AudioSystem::getOutput(AUDIO_STREAM_MUSIC, + 48000, + AUDIO_FORMAT_PCM_16_BIT, + AUDIO_CHANNEL_OUT_STEREO, +#if defined(_VERSION_ICS) + AUDIO_POLICY_OUTPUT_FLAG_INDIRECT +#else //JB... + AUDIO_OUTPUT_FLAG_PRIMARY +#endif + ); + if(handle > 0){ + char str[64]; + memset(str,0,sizeof(str)); + sprintf(str,"sampling_rate=%d",audec->samplerate); + AudioSystem::setParameters(handle, String8(str)); + } +#else + //for M8, raw/pcm output use different HAL, so only check the raw output device + handle = AudioSystem::getOutput(AUDIO_STREAM_MUSIC, + 48000, + AUDIO_FORMAT_AC3, //use AC3 as the format tag for all raw output + AUDIO_CHANNEL_OUT_STEREO, +#if defined(_VERSION_ICS) + AUDIO_POLICY_OUTPUT_FLAG_INDIRECT +#else //JB... + AUDIO_OUTPUT_FLAG_DIRECT +#endif + ); + + if(handle > 0){ + char str[64]; + memset(str,0,sizeof(str)); + sprintf(str,"sampling_rate=%d",Samplerate); + AudioSystem::setParameters(handle, String8(str)); +#if ANDROID_PLATFORM_SDK_VERSION >= 22 + AudioSystem::releaseOutput(handle, AUDIO_STREAM_DEFAULT, AUDIO_SESSION_OUTPUT_STAGE); +#else + AudioSystem::releaseOutput(handle); +#endif + }else{ + adec_print("WARNIN:handle/%d reset sysFs failed!\n",handle); + } +#endif + + } + + + } +} + +/** + * \brief callback function invoked by android + * \param event type of event notified + * \param user pointer to context for use by the callback receiver + * \param info pointer to optional parameter according to event type + */ + +#define AMSTREAM_IOC_MAGIC 'S' +#define AMSTREAM_IOC_GET_LAST_CHECKIN_APTS _IOR(AMSTREAM_IOC_MAGIC, 0xa9, unsigned long) +#define AMSTREAM_IOC_GET_LAST_CHECKIN_VPTS _IOR(AMSTREAM_IOC_MAGIC, 0xaa, unsigned long) +#define AMSTREAM_IOC_GET_LAST_CHECKOUT_APTS _IOR(AMSTREAM_IOC_MAGIC, 0xab, unsigned long) +#define AMSTREAM_IOC_GET_LAST_CHECKOUT_VPTS _IOR(AMSTREAM_IOC_MAGIC, 0xac, unsigned long) +#define AMSTREAM_IOC_AB_STATUS _IOR(AMSTREAM_IOC_MAGIC, 0x09, int) + +static unsigned long long ttt = 0; + +static int resample = 0, last_resample = 0, resample_step = 0, last_step=0; +static int xxx; +static int diff_record[0x40], diff_wp = 0; +static int wfd_enable = 0, bytes_skipped = 0x7fffffff; +static int wfd_ds_thrdhold = 250; //audio pts delay threadhold for down sampling +static int wfd_us_thrdhold = 150;//audio pts delay threadhold for up sampling + +#if ANDROID_PLATFORM_SDK_VERSION >= 19 +static sp mpAudioTrack; +static sp mpAudioTrack_raw; +#endif + +struct buf_status { + int size; + int data_len; + int free_len; + unsigned int read_pointer; + unsigned int write_pointer; +}; + +struct am_io_param { + int data; + int len; //buffer size; + struct buf_status status; +}; + +static int mix_lr_channel_enable=0; +static int pre_gain_enable=0; +static void momo2_mode_mix(short*buf, int nsamps, int channels) +{ + int i; + int step=4;//assume deffault pcm format: bitwidth/2bytes channels/2 + short tmpL,tmpR; + int tmpSum; + short *p16tmp=(short*)buf; + if(channels!=2) + return; + for(i=0;i32767 ?32767 : tmpSum; + tmpSum=tmpSum<-32768?-32768: tmpSum; + p16tmp[i]=(tmpSum&0x0000ffff); + p16tmp[i+1]=(tmpSum&0x0000ffff); + } +} + +static void apply_audio_pregain(void *buf, int size, float gain) { + int i; + short *sample = (short*)buf; + for (i = 0; i < size/sizeof(short); i++) + sample[i] = gain*sample[i]; +} + +#define RESAMPLE_THRESHOLD (30 * TIME_UNIT90K / 1000) +void audioCallback(int event, void* user, void *info) +{ + int len, i; + unsigned last_checkin, last_checkout; + unsigned diff, diff_avr; + AudioTrack::Buffer *buffer = static_cast(info); + aml_audio_dec_t *audec = static_cast(user); + audio_out_operations_t *out_ops = &audec->aout_ops; + dsp_operations_t *dsp_ops = &audec->adsp_ops; + unsigned long apts, pcrscr; + struct am_io_param am_io; + + if (event != AudioTrack::EVENT_MORE_DATA) { + //adec_refresh_pts(audec); + adec_print(" ****************** audioCallback: event = %d g_bst->buf_level/%d g_bst_raw->buf_level/%d [-1:mean unknown] \n", event,audec->g_bst==NULL?-1:audec->g_bst->buf_level,audec->g_bst_raw==NULL?-1:audec->g_bst_raw->buf_level); + return; + } + + if (buffer == NULL || buffer->size == 0) { + adec_print("audioCallback: Wrong buffer\n"); + return; + } + + if(wfd_enable){ + ioctl(audec->adsp_ops.amstream_fd, AMSTREAM_IOC_GET_LAST_CHECKIN_APTS, &last_checkin); + last_checkout = dsp_ops->get_cur_pts(dsp_ops); + if(last_checkin < last_checkout){ + diff = 0; + }else{ + diff = (last_checkin-last_checkout)/90; + } + + //ioctl(audec->adsp_ops.amstream_fd, AMSTREAM_IOC_GET_LAST_CHECKOUT_APTS, (int)&last_checkout); + } + if(wfd_enable){ + // filtering + diff_record[diff_wp++] = diff; + diff_wp = diff_wp & 0x3f; + + diff_avr = 0; + for (i=0;i<0x40;i++) diff_avr+=diff_record[i]; + diff_avr = diff_avr / 0x40; + + // if ((xxx++ % 30) == 0) + // adec_print("audioCallback start: request %d, in: %d, out: %d, diff: %d, filtered: %d",buffer->size, last_checkin/90, last_checkout/90, diff, diff_avr); + if(bytes_skipped == 0 && diff < 200){ + if(dsp_ops->set_skip_bytes) + dsp_ops->set_skip_bytes(&audec->adsp_ops, 0x7fffffff); + bytes_skipped = 0x7fffffff; + } + + if(diff >1000){ // too much data in audiobuffer,should be skipped + if(dsp_ops->set_skip_bytes) + dsp_ops->set_skip_bytes(&audec->adsp_ops, 0); + bytes_skipped = 0; + adec_print("skip more data: last_checkin[%d]-last_checkout[%d]=%d, diff=%d\n", last_checkin/90, last_checkout/90, (last_checkin-last_checkout)/90, diff); + } + + if (diff_avr > /*220*/wfd_ds_thrdhold) { + resample = 1; resample_step = 2; + } else if (diff_avrtsync_mode == TSYNC_MODE_PCRMASTER && audec->pcrtsync_enable) { + if (audec->adis_flag <= 0) { + unsigned long apts, pcrscr; + int64_t apts64, pcrscr64; + + apts64 = audec->apts64; + pcrscr64 = audec->pcrscr64; + + if (apts64 && pcrscr64 && (abs(apts64 - pcrscr64) <= 90000*60*10)) { + ioctl(audec->adsp_ops.amstream_fd, AMSTREAM_IOC_AB_STATUS, (unsigned long)&am_io); + //adec_print("ab_level=%x, ab_rd_ptr=%x", am_io.status.data_len, am_io.status.read_pointer); + + if (abs(apts64 - pcrscr64) >= 90000*30 && unnormal_discontinue < 400) { // avoid replay apts would be pause + unnormal_discontinue++; + skip_unnormal_discontinue = 0; + unnormal_discontinue1 = 0; + } else if (abs(apts64 - pcrscr64) < 90000*30 && abs(apts64 - pcrscr64) >= 90000*3 && unnormal_discontinue1 < 200) { + unnormal_discontinue1 ++; + unnormal_discontinue = 0; + skip_unnormal_discontinue = 0; + } + //if (((apts64 - pcrscr64) > (int64_t)(audec->fill_trackzero_thrsh)) ||((apts64 > pcrscr64) && (am_io.status.data_len < 0x200))) { + if ((apts64 - pcrscr64) > (int64_t)(audec->fill_trackzero_thrsh)) { + adec_print("[%s:%d] %d, thrsh:%d, apts64:%lld, pcrscr64:%lld, diff:%lld, lastapts:%lx, pcmsize:%d, abuffer_lv:0x%x\n", + __FUNCTION__, __LINE__, fill_audiotrack_zero, audec->fill_trackzero_thrsh,apts64, pcrscr64, apts64-pcrscr64,audec->adsp_ops.last_audio_pts,buffer->size, am_io.status.data_len); + if (skip_unnormal_discontinue++ > 10) { + memset((char*)(buffer->i16), 0, buffer->size); + if (!fill_audiotrack_zero) { + adec_pts_pause(); + } + fill_audiotrack_zero = audec->fill_trackzero_thrsh/(20*90); + adec_print("[%s:%d] %d, thrsh:%d, apts64:%lld, pcrscr64:%lld, diff:%lld, lastapts:%lx, pcmsize:%d, abuffer_lv:0x%x\n", + __FUNCTION__, __LINE__, fill_audiotrack_zero, audec->fill_trackzero_thrsh,apts64, pcrscr64, apts64-pcrscr64,audec->adsp_ops.last_audio_pts,buffer->size, am_io.status.data_len); + return; + } + } else { + if (skip_unnormal_discontinue>0) { + adec_print("[%s:%d], skip_unnormal_discontinue:%d, fill_audiotrack_zero:%d, apts-pcr:%lld, ---------------------------\n",__FUNCTION__, __LINE__, skip_unnormal_discontinue,fill_audiotrack_zero,apts64 - pcrscr64); + skip_unnormal_discontinue = 0; + } + unnormal_discontinue = 0; + unnormal_discontinue1 = 0; + } + if ((fill_audiotrack_zero > 0) && ((apts64 - pcrscr64) > (int64_t)(70*TIME_UNIT90K/1000))) { + fill_audiotrack_zero--; + + if (!fill_audiotrack_zero) { + adec_pts_resume(); + skip_unnormal_discontinue = 0; + unnormal_discontinue = 0; + unnormal_discontinue1 = 0; + } + + memset((char*)(buffer->i16), 0, buffer->size); + adec_print("## %d, %d, apts bigger than pcr, 2222 apts64:%lld, pcrscr64:%lld, diff:%lld, \n", fill_audiotrack_zero, buffering_audio_data, apts64, pcrscr64, apts64-pcrscr64); + return; + } else { + if (fill_audiotrack_zero > 0 && ((apts64 - pcrscr64) <= (int64_t)(70*TIME_UNIT90K/1000)) + && ((apts64 - pcrscr64) > 0)) { + fill_audiotrack_zero = 0; + adec_pts_resume(); + skip_unnormal_discontinue = 0; + unnormal_discontinue = 0; + unnormal_discontinue1 = 0; + adec_print("[%s:%d], fill enough! ---------------------------\n",__FUNCTION__, __LINE__); + } + } + + if (audec->apts64 - audec->last_apts64 > RESAMPLE_THRESHOLD) { + int64_t diff_discontinue = abs(pcrscr64 - apts64); + if (diff_discontinue > (int64_t)(TIME_UNIT90K * 3)) { + adec_print("discontinue: #pcrmaster: %lld, %lld, %lld, %d,%d,--------\n", apts64, pcrscr64, + apts64 - pcrscr64, RESAMPLE_THRESHOLD, ((pcrscr64 - apts64) > (int64_t)(100 * TIME_UNIT90K / 1000))); + af_set_resample_type(RESAMPLE_TYPE_NONE); + } else if ((pcrscr64 - apts64) > (int64_t)RESAMPLE_THRESHOLD) { + af_set_resample_type(RESAMPLE_TYPE_DOWN); + adec_print("down: #pcrmaster enable:%d, %lld, %lld, %lld, --------\n", af_get_resample_enable_flag(),apts64,pcrscr64,pcrscr64-apts64); + } else if ((apts64 - pcrscr64) > (int64_t)RESAMPLE_THRESHOLD) { + af_set_resample_type(RESAMPLE_TYPE_UP); + adec_print("up: #pcrmaster enable:%d, %lld, %lld, %lld, --------\n", af_get_resample_enable_flag(), apts64,pcrscr64,apts64-pcrscr64); + } else { + adec_print("none: #pcrmaster: %lld, %lld, %lld, %d,%d,--------\n", + apts64,pcrscr64,apts64-pcrscr64,RESAMPLE_THRESHOLD,((pcrscr64 - apts64) > (int64_t)(100*TIME_UNIT90K/1000))); + af_set_resample_type(RESAMPLE_TYPE_NONE); + } + audec->last_apts64 = apts64; + } + } + } else { + audec->adis_flag--; + adec_print("[%s:%d], pcr:%llx, apts:%llx, tsync_pcr_dispoint:%llx, adis_flag:%d,-------------\n",__FUNCTION__, __LINE__, + audec->pcrscr64, audec->apts64, audec->tsync_pcr_dispoint,audec->adis_flag); + } + } +#endif + if (audec->adsp_ops.dsp_on) { + int channels; + #if ANDROID_PLATFORM_SDK_VERSION >= 19 + channels = mpAudioTrack->channelCount(); + #elif defined(ANDROID_VERSION_JBMR2_UP) + AudioTrack *track = (AudioTrack *)out_ops->private_data; + channels = track->channelCount(); + #else + channels = buffer->channelCount; + #endif + if (wfd_enable) { + af_resample_api((char*)(buffer->i16), (unsigned int*)&buffer->size, channels, audec, resample, resample_step); + } else if (audec->tsync_mode == TSYNC_MODE_PCRMASTER) { + af_pcrmaster_resample_api((char*)(buffer->i16), (unsigned int*)&buffer->size, channels, audec); + } else { + af_resample_api_normal((char*)(buffer->i16), (unsigned int*)&buffer->size, channels, audec); + } + if (!audec->pre_mute) { + if (audec->pre_gain_enable >= 0) { + pre_gain_enable = audec->pre_gain_enable; + } + if (pre_gain_enable) { + apply_audio_pregain(buffer->i16, buffer->size, audec->pre_gain); + } + if (audec->mix_lr_channel_enable >= 0) + mix_lr_channel_enable = audec->mix_lr_channel_enable; + if (mix_lr_channel_enable && channels == 2) { + momo2_mode_mix((short*)(buffer->i16), buffer->size/2,channels); + } + } else { + //mute the buffer by pre-mute flag on + memset(buffer->i16, 0, buffer->size); + } + } else { + adec_print("audioCallback: dsp not work!\n"); + } + + + if(wfd_enable){ + if (buffer->size==0) { + adec_print("no sample from DSP !!! in: %d, out: %d, diff: %d, filtered: %d", last_checkin/90, last_checkout/90, (last_checkin-last_checkout)/90, diff_avr); + + ioctl(audec->adsp_ops.amstream_fd, AMSTREAM_IOC_AB_STATUS, (unsigned long)&am_io); + if (am_io.status.size > 0) + adec_print("ab_level=%x,ab_size=%x, alevel:%f, ab_rd_ptr=%x", + am_io.status.data_len, am_io.status.size, (float)(am_io.status.data_len)/(am_io.status.size), am_io.status.read_pointer); + } + } + return; +} +#ifdef USE_ARM_AUDIO_DEC +//------------------------------------------------------------------------- +static void i2s_iec958_sync_force(struct aml_audio_dec* audec,int bytes_readed_diff_allowd) +{ + int bytes_err= audec->raw_bytes_readed-audec->pcm_bytes_readed*audec->codec_type; + int bytes_cnt; + int len; + int goon_read_data_flag=1; + char tmp[2048]; + int64_t tmp64; + #if 0 + if(-bytes_err>bytes_readed_diff_allowd) + { + //958 is lower than i2s :so we discard data + bytes_err=-bytes_err; + int raw_size_discard=bytes_err-bytes_readed_diff_allowd; + bytes_cnt=0; + while(bytes_cntneed_stop){ + len=audec->adsp_ops.dsp_read_raw(&audec->adsp_ops,tmp,(raw_size_discard-bytes_cnt)>2048?2048:(raw_size_discard-bytes_cnt)); + bytes_cnt+=len; + if (len=0) + break; + } + audec->raw_bytes_readed+=bytes_cnt; + }else if(bytes_err>bytes_readed_diff_allowd){ + //958 is faster than i2s + int pcm_size_discard=(bytes_err-bytes_readed_diff_allowd)/audec->codec_type; + bytes_cnt=0; + while(bytes_cntneed_stop){ + len=audec->adsp_ops.dsp_read(&audec->adsp_ops,tmp,(pcm_size_discard-bytes_cnt)>2048?2048:(pcm_size_discard-bytes_cnt)); + bytes_cnt+=len; + if (len=0) + break; + } + audec->pcm_bytes_readed+=bytes_cnt; + } + #endif + tmp64=audec->pcm_bytes_readed>audec->raw_bytes_readed? audec->raw_bytes_readed:audec->pcm_bytes_readed; + audec->pcm_bytes_readed -=tmp64; + audec->raw_bytes_readed -=tmp64; +}; +void audioCallback_raw(int event, void* user, void *info) +{ + int len; + AudioTrack::Buffer *buffer = static_cast(info); + aml_audio_dec_t *audec = static_cast(user); + if (event != AudioTrack::EVENT_MORE_DATA) { + adec_print("[%s %d]audioCallback: event = %d \n",__FUNCTION__,__LINE__, event); + return; + } + if (buffer == NULL || buffer->size == 0) { + adec_print("[%s %d]audioCallback: Wrong buffer\n",__FUNCTION__,__LINE__); + return; + } + + if(audec->i2s_iec958_sync_flag && audec->raw_bytes_readed< audec->i2s_iec958_sync_gate) + { char tmp[4096]; + int readed_bytes=0; + int bytes_readed_diff=audec->raw_bytes_readed-audec->pcm_bytes_readed*audec->codec_type; + if(bytes_readed_diff==0){ + //adec_print("NOTE: bytes_readed_diff/0 audec->pcm_bytes_readed/%d\n",audec->pcm_bytes_readed); + while(audec->pcm_bytes_readed==0 && !audec->need_stop){ + amthreadpool_thread_usleep(2000); + } + adec_print("NOTE:i2s has started read pcm\n"); + } + + bytes_readed_diff=audec->raw_bytes_readed-audec->pcm_bytes_readed*audec->codec_type; + if(bytes_readed_diff>0){//iec958 was faster than i2s: + //adec_print("Iec958 faster than I2s: bytes_readed_diff/%d (SyncGate/%d RawBytesReaded/%lld PcmBytesReaded/%lld codec_type/%f)\n", + // bytes_readed_diff,audec->i2s_iec958_sync_gate,audec->raw_bytes_readed,audec->pcm_bytes_readed,audec->codec_type); + buffer->size /=8; + buffer->size-= (buffer->size%audec->raw_frame_size); + memset((char*)(buffer->i16),0,buffer->size); + return; + }else if(bytes_readed_diff<0){//iec958 was slower than i2s: + while((audec->raw_bytes_readed-audec->pcm_bytes_readed*audec->codec_type)<0 && + (audec->raw_bytes_readed i2s_iec958_sync_gate) && + !audec->need_stop + ) + { + bytes_readed_diff=audec->pcm_bytes_readed*audec->codec_type-audec->raw_bytes_readed; + //adec_print("iec958 was slower than i2s:bytes_readed_diff/%d\n",-bytes_readed_diff); + while(bytes_readed_diff && !audec->need_stop){ + readed_bytes=audec->adsp_ops.dsp_read_raw(&audec->adsp_ops,tmp,bytes_readed_diff>4096?4096: bytes_readed_diff); + audec->raw_bytes_readed+=readed_bytes; + bytes_readed_diff-=readed_bytes; + if(readed_bytes==0) + break; + } + } + //audec->i2s_iec958_sync_flag=0; + } + } + + if (audec->adsp_ops.dsp_on) { + int bytes_cnt=0; + while(bytes_cntsize && !audec->need_stop){ + len=audec->adsp_ops.dsp_read_raw(&audec->adsp_ops, (char*)(buffer->i16)+bytes_cnt,buffer->size-bytes_cnt); + bytes_cnt+=len; + if (len == 0) + break; + } + buffer->size=bytes_cnt; + audec->raw_bytes_readed+=bytes_cnt; + } else { + adec_print("[%s %d]audioCallback: dsp not work!\n",__FUNCTION__,__LINE__); + } +// memset raw data when start playback to walkround HDMI audio format changed noise for some kind of TV set + if(audec->format != ACODEC_FMT_TRUEHD ){ + if(audec->raw_bytes_readed < 16*4*1024) + memset((char *)(buffer->i16),0,buffer->size); + } + return; +} + +extern "C" int android_init_raw(struct aml_audio_dec* audec) +{ + Mutex::Autolock _l(mLock_raw); + adec_print("[%s %d]android raw_out init",__FUNCTION__,__LINE__); + status_t status; + AudioTrack *track; + audio_out_operations_t *out_ops = &audec->aout_ops; + int SampleRate=audec->samplerate; + out_ops->private_data_raw=NULL; + audio_format_t aformat = AUDIO_FORMAT_INVALID; + if((audec->format!=ACODEC_FMT_DTS) && + (audec->format != ACODEC_FMT_AC3) && + (audec->format != ACODEC_FMT_EAC3) && + (audec->format != ACODEC_FMT_TRUEHD)) + { + adec_print("[%s %d]NOTE: now just ACODEC_FMT_DTS_rawoutpu was support! ",__FUNCTION__,__LINE__); + return 0; + }else if(amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw")==0){ + adec_print("[%s %d]DIGITAL_RAW WAS DISABLE !",__FUNCTION__,__LINE__); + return 0; + } + + if (audec->format == ACODEC_FMT_DTS) + aformat = AUDIO_FORMAT_DTS; + else if(audec->format == ACODEC_FMT_AC3) + aformat = AUDIO_FORMAT_AC3; + else if(audec->format == ACODEC_FMT_EAC3) + aformat = AUDIO_FORMAT_EAC3; + else if(audec->format == ACODEC_FMT_TRUEHD) + aformat = AUDIO_FORMAT_TRUEHD; + + if(audec->format == ACODEC_FMT_TRUEHD){ + audec->codec_type=16; + } + + int dgraw = amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw"); + if (dgraw == 1 ) { + if((audec->format == ACODEC_FMT_AC3) || + (audec->format == ACODEC_FMT_EAC3)){ + /*if spdif pass through,force to DD otuput */ + aformat = AUDIO_FORMAT_AC3; + audec->codec_type=1; + }else if(audec->format==ACODEC_FMT_DTS){ + if(audec->samplerate==88200 || audec->samplerate==96000){ + audec->codec_type=0.50; + SampleRate=audec->samplerate/2; + }else if(audec->samplerate==176400 || audec->samplerate==192000){ + audec->codec_type=0.25; + SampleRate=audec->samplerate/4; + }else if(audec->samplerate==352800 || audec->samplerate==384000){ + adec_print("[%s %d]NOTE:Current FS/%d was support! ",__FUNCTION__,__LINE__,audec->samplerate); + return 0; + }else{//audec->samplerate<=48000 + audec->codec_type=1; + } + } + }else if(dgraw == 2 ){ + if(audec->format == ACODEC_FMT_AC3){ + audec->codec_type=1; + }else if(audec->format == ACODEC_FMT_EAC3){ + audec->codec_type=4; + }else if(audec->format==ACODEC_FMT_DTS &&(audec->VersionNum!=DTSETC_DECODE_VERSION_M6_M8 ||audec->DTSHDIEC958_PktType==DTSHD_IEC958_PKTTYPE_CORE)){ + if(audec->samplerate==88200 || audec->samplerate==96000){ + audec->codec_type=0.50; + SampleRate=SampleRate/2; + }else if(audec->samplerate==176400 || audec->samplerate==192000){ + audec->codec_type=0.25; + SampleRate=SampleRate/4; + }else if(audec->samplerate==352800 || audec->samplerate==384000){ + adec_print("[%s %d]NOTE:Current FS/%d was support! ",__FUNCTION__,__LINE__,audec->samplerate); + return 0; + }else{//audec->samplerate<=48000 + audec->codec_type=1; + } + }else if(audec->format==ACODEC_FMT_DTS && audec->VersionNum==DTSETC_DECODE_VERSION_M6_M8){ + int unvalidpara=0; + if(audec->DTSHDIEC958_PktType==DTSHD_IEC958_PKTTYPE_SINGLEI2S){ + if(audec->DTSHDIEC958_FS==48000||audec->DTSHDIEC958_FS==44100) + { + SampleRate=audec->DTSHDIEC958_FS; + }else if(audec->DTSHDIEC958_FS==192000||audec->DTSHDIEC958_FS==176400){// clock need Mutiple 4 + SampleRate=audec->DTSHDIEC958_FS/4; + #if ANDROID_PLATFORM_SDK_VERSION >= 21//android 5.0 + aformat = (audio_format_t)AUDIO_FORMAT_DTS_HD; + SampleRate=audec->DTSHDIEC958_FS; + #endif + }else{ + unvalidpara=1; + } + }else if(audec->DTSHDIEC958_PktType==DTSHD_IEC958_PKTTYPE_FOURI2S){// clock need Mutiple 4 + if(audec->DTSHDIEC958_FS==192000||audec->DTSHDIEC958_FS==384000 || audec->DTSHDIEC958_FS==768000 || + audec->DTSHDIEC958_FS==176400||audec->DTSHDIEC958_FS==352800 || audec->DTSHDIEC958_FS==705600) + { + SampleRate=audec->DTSHDIEC958_FS/4; + #if ANDROID_PLATFORM_SDK_VERSION >= 21//android 5.0 + aformat = (audio_format_t)AUDIO_FORMAT_DTS_MASTER; + SampleRate=audec->DTSHDIEC958_FS; + #endif + }else{ + unvalidpara=2; + } + }else{ + unvalidpara=3; + } + if(unvalidpara){ + adec_print("[%s %d]NOTE:Unvalid Paras/%d for RawOutput:PCM_FS/%d IEC958_FS/%d PCMSamsInFrm/%d IEC958PktFrmSize/%d ", + __FUNCTION__,__LINE__,unvalidpara,audec->samplerate,audec->DTSHDIEC958_FS,audec->DTSHDPCM_SamsInFrmAtMaxSR,audec->DTSHDIEC958_PktFrmSize); + return 0; + } + audec->codec_type=audec->DTSHDIEC958_FS/audec->samplerate; + } + } + + if(audec->format == ACODEC_FMT_TRUEHD){ + SampleRate=192000; + } + adec_print("[%s %d]SampleRate used for init rawoutput:%d\n",__FUNCTION__,__LINE__,SampleRate); + +#if ANDROID_PLATFORM_SDK_VERSION < 19 + track = new AudioTrack(); + if (track == NULL) { + adec_print("[%s %d]AudioTrack_raw Create Failed!",__FUNCTION__,__LINE__); + return -1; + } +#else + mpAudioTrack_raw = new AudioTrack(); + track = mpAudioTrack_raw.get(); +#endif + + audio_session_t SessionID = AUDIO_SESSION_NONE;//audec->SessionID; + adec_print("[%s %d]SessionID = %d audec->codec_type/%f audec->samplerate/%d",__FUNCTION__,__LINE__,SessionID,audec->codec_type,audec->samplerate); + int flags = AUDIO_OUTPUT_FLAG_DIRECT; +//only defined from android M +#if ANDROID_PLATFORM_SDK_VERSION >= 23 + flags |= AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO; +#endif + status = track->set(AUDIO_STREAM_MUSIC, + SampleRate, + aformat, + AUDIO_CHANNEL_OUT_STEREO, + 0, // frameCount + (audio_output_flags_t)flags, + audioCallback_raw, + audec, // user when callback + 0, // notificationFrames + 0, // shared buffer + false, // threadCanCallJava + SessionID); // sessionId + if (status != NO_ERROR) { + adec_print("[%s %d]track->set returns %d",__FUNCTION__,__LINE__, status); + adec_print("[%s %d]audio out samplet %d",__FUNCTION__,__LINE__, audec->samplerate); + adec_print("[%s %d]audio out channels %d",__FUNCTION__,__LINE__, audec->channels); +#if ANDROID_PLATFORM_SDK_VERSION < 19 + delete track; + track = NULL; +#else + track = NULL; + mpAudioTrack_raw.clear(); +#endif + out_ops->audio_out_raw_enable = 0; + out_ops->private_data_raw=NULL; + return -1; + } + + out_ops->private_data_raw= (void *)track; + + //1/10=0.1s=100ms + audec->raw_frame_size=audec->channels*(audec->adec_ops->bps>>3); + audec->max_bytes_readded_diff=audec->samplerate*audec->raw_frame_size*audec->codec_type/10; + audec->i2s_iec958_sync_gate=audec->samplerate*audec->raw_frame_size*audec->codec_type*0.4;//400ms + return 0; +} +#endif +//------------------------------------------------------------------------- +/** + * \brief output initialization + * \param audec pointer to audec + * \return 0 on success otherwise negative error code + */ +extern "C" int android_init(struct aml_audio_dec* audec) +{ + Mutex::Autolock _l(mLock); + status_t status; + AudioTrack *track; + audio_out_operations_t *out_ops = &audec->aout_ops; + char wfd_prop[PROPERTY_VALUE_MAX]; + fill_audiotrack_zero = 0; + buffering_audio_data = 0; + skip_unnormal_discontinue = 0; + unnormal_discontinue = 0; + unnormal_discontinue1 = 0; + ttt = 0; + resample = 0; + last_resample = 0; + xxx = 0; + memset(&diff_record[0], 0, 0x40*sizeof(diff_record[0])); + diff_wp = 0; + if (get_audio_decoder() == AUDIO_ARC_DECODER) { + wfd_ds_thrdhold = 220; + wfd_us_thrdhold = 180; + + } + else{ + wfd_ds_thrdhold = 250; + wfd_us_thrdhold = 150; + } + adec_print("up/down sampling thread %d /%d ms \n",wfd_us_thrdhold,wfd_ds_thrdhold); + if(property_get("media.libplayer.wfd", wfd_prop, "0") > 0){ + wfd_enable = (strcmp(wfd_prop, "1") == 0); + if(wfd_enable) + { + audio_io_handle_t handle = AudioSystem::getOutput(AUDIO_STREAM_MUSIC, + 48000, + AUDIO_FORMAT_PCM_16_BIT, + AUDIO_CHANNEL_OUT_STEREO, +#if defined(_VERSION_ICS) + AUDIO_POLICY_OUTPUT_FLAG_INDIRECT +#else //JB... + AUDIO_OUTPUT_FLAG_PRIMARY +#endif + ); + if(handle > 0){ + char str[64]; + status_t ret; + memset(str,0,sizeof(str)); + // backup old framecount +#if ANDROID_PLATFORM_SDK_VERSION >= 21 //FIXME on 5.0 + AudioSystem::getFrameCount(handle,&old_frame_count); +#else + AudioSystem::getFrameCount(handle, AUDIO_STREAM_MUSIC, &old_frame_count); +#endif + + sprintf(str,"frame_count=%d",256); + ret = AudioSystem::setParameters(handle, String8(str)); + if(ret != 0){ + adec_print("change frame count failed: ret = %d\n", ret); + } + adec_print("wfd: %s", str); + } + } + }else{ + wfd_enable = 0; + } + + adec_get_tsync_info(&(audec->tsync_mode)); + adec_print("wfd_enable = %d, tsync_mode=%d, ", wfd_enable, audec->tsync_mode); + //-------------------------------------------- + //alwas effect in case: + //1: rawoutput==1 && format==ACODEC_FMT_AC3 && (FS==32000 ||FS = =44100) + //2: rawoutput==1 && format==ACODEC_FMT_EC3 && (FS==32000 ||FS = =44100) + //3: rawoutput==1 && format==ACODEC_FMT_DTS && (FS==32000 ||FS = =44100||FS = =88200||FS = =96000|| FS = =176400|| FS = =192000) + //4: rawoutput==2 && format==ACODEC_FMT_EC3 && FS==44100 + //5: rawoutput==2 && format==ACODEC_FMT_DTS && (FS= =32000||FS = =44100||FS = =88200||FS = =96000|| FS = =176400|| FS = =192000) + //6: rawoutput==0 && format==ACODEC_FMT_AC3 && CH==8 + //summary:always effect in case: rawoutput>0 && (format=ACODEC_FMT_DTS or ACODEC_FMT_AC3) or 8chPCM _output +/*after 6.0,need not this code*/ +#if ANDROID_PLATFORM_SDK_VERSION < 23 + reset_system_samplerate(audec); +#endif + int user_raw_enable = amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw"); +#ifdef USE_ARM_AUDIO_DEC + out_ops->audio_out_raw_enable = user_raw_enable && (audec->format == ACODEC_FMT_DTS || + audec->format == ACODEC_FMT_AC3 || + audec->format == ACODEC_FMT_EAC3|| + (audec->format == ACODEC_FMT_TRUEHD && user_raw_enable == 2)); + if(out_ops->audio_out_raw_enable) + android_init_raw(audec); +#endif + //--------------------------- + adec_print("[%s %d]android out init",__FUNCTION__,__LINE__); +#if ANDROID_PLATFORM_SDK_VERSION < 19 + track = new AudioTrack(); + if (track == NULL) { + adec_print("[%s %d]AudioTrack Create Failed!",__FUNCTION__,__LINE__); + return -1; + } +#else + mpAudioTrack = new AudioTrack(); + track = mpAudioTrack.get(); +#endif + + audio_session_t SessionID = audec->SessionID; + adec_print("[%s %d]SessionID = %d audec->dtshdll_flag/%d audec->channels/%d",__FUNCTION__,__LINE__,SessionID,audec->dtshdll_flag,audec->channels); +#if defined(_VERSION_JB) + char tmp[128]={0}; + int FS_88_96_enable=0; + if (property_get("media.libplayer.88_96K", tmp, "0") > 0 && !strcmp(tmp, "1")) { + FS_88_96_enable=1; + if (audec->format == ACODEC_FMT_DTS && audec->samplerate>48000 && !user_raw_enable) + { + adec_print("set digital_codec to AUDIO_FORMAT_DTS_PCM_88K_96K"); + } + } + if( audec->channels == 8 || + (audec->format ==ACODEC_FMT_DTS && audec->samplerate>48000 && user_raw_enable==0 && FS_88_96_enable==1 ) + ) + { //8ch PCM: use direct output + //DTS PCMoutput && FS>48000: use direct output + audio_channel_mask_t ChMask; + audio_output_flags_t Flag; + audio_format_t aformat; + memset(tmp,0,sizeof(tmp)); + if(audec->channels == 8){ + adec_print("create multi-channel track use DirectOutput\n"); + property_set(DOLBY_SYSTEM_CHANNEL,"true"); + property_get(DOLBY_SYSTEM_CHANNEL, tmp, "0"); + if(!strcmp(tmp, "true")) + { + adec_print("[%s %d]ds1.audio.multichannel.support set success!\n",__FUNCTION__,__LINE__); + }else{ + adec_print("[%s %d]ds1.audio.multichannel.support set fail!\n",__FUNCTION__,__LINE__); + } + ChMask=AUDIO_CHANNEL_OUT_7POINT1; + Flag=AUDIO_OUTPUT_FLAG_DEEP_BUFFER; + aformat=AUDIO_FORMAT_PCM_16_BIT; + }else{ + adec_print("create HD-PCM(Fs/%d>48000)Direct Ouputtrack\n",audec->samplerate); + ChMask=AUDIO_CHANNEL_OUT_STEREO; + Flag =AUDIO_OUTPUT_FLAG_DIRECT; +//TODO +#if ANDROID_PLATFORM_SDK_VERSION < 23 + aformat = AUDIO_FORMAT_DTS; +#else + aformat = AUDIO_FORMAT_PCM_16_BIT; +#endif + } + status = track->set(AUDIO_STREAM_MUSIC, + audec->samplerate, + aformat, + ChMask, + 0, // frameCount + Flag/*AUDIO_OUTPUT_FLAG_NONE*/, // flags + audioCallback, + audec, // user when callback + 0, // notificationFrames + 0, // shared buffer + false, // threadCanCallJava + SessionID); // sessionId + }else{ +//here calculate the min framecount and set the audiotrack +//refered to android_media_AudioTrack_get_min_buff_size +//return frameCount * channelCount * bytesPerSample; + size_t frameCount = 0; + status = AudioTrack::getMinFrameCount(&frameCount, AUDIO_STREAM_DEFAULT,audec->samplerate); + if (status == NO_ERROR) { + frameCount = audec->channels*2*frameCount; + } + else + frameCount = 0; + + status = track->set(AUDIO_STREAM_MUSIC, + audec->samplerate, + AUDIO_FORMAT_PCM_16_BIT, + (audec->channels == 1) ? AUDIO_CHANNEL_OUT_MONO : AUDIO_CHANNEL_OUT_STEREO, + frameCount, // frameCount + AUDIO_OUTPUT_FLAG_NONE, // flags + audioCallback, + audec, // user when callback + 0, // notificationFrames + 0, // shared buffer + false, // threadCanCallJava + SessionID); // sessionId + } + +#elif defined(_VERSION_ICS) + status = track->set(AUDIO_STREAM_MUSIC, + audec->samplerate, + AUDIO_FORMAT_PCM_16_BIT, + (audec->channels == 1) ? AUDIO_CHANNEL_OUT_MONO : AUDIO_CHANNEL_OUT_STEREO, + 0, // frameCount + 0, // flags + audioCallback, + audec, // user when callback + 0, // notificationFrames + 0, // shared buffer + false, // threadCanCallJava + SessionID); // sessionId +#else // GB or lower: + status = track->set(AudioSystem::MUSIC, + audec->samplerate, + AudioSystem::PCM_16_BIT, + (audec->channels == 1) ? AudioSystem::CHANNEL_OUT_MONO : AudioSystem::CHANNEL_OUT_STEREO, + 0, // frameCount + 0, // flags + audioCallback, + audec, // user when callback + 0, // notificationFrames + 0, // shared buffer + SessionID); +#endif + + if (status != NO_ERROR) { + adec_print("[%s %d]track->set returns %d", __FUNCTION__,__LINE__,status); + adec_print("[%s %d]audio out samplet %d" , __FUNCTION__,__LINE__, audec->samplerate); + adec_print("[%s %d]audio out channels %d", __FUNCTION__,__LINE__,audec->channels); +#if ANDROID_PLATFORM_SDK_VERSION < 19 + delete track; + track = NULL; +#else + track = NULL; + mpAudioTrack.clear(); +#endif + if(audec->channels == 8){ + property_set(DOLBY_SYSTEM_CHANNEL,"false"); + } + return -1; + + } + af_resample_linear_init(audec); + out_ops->private_data = (void *)track; + return 0; +} +#ifdef USE_ARM_AUDIO_DEC +extern "C" int android_start_raw(struct aml_audio_dec* audec) +{ + Mutex::Autolock _l(mLock_raw); + adec_print("[%s %d]android raw_out start",__FUNCTION__,__LINE__); + status_t status; + audio_out_operations_t *out_ops = &audec->aout_ops; + +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data_raw; +#else + AudioTrack *track = mpAudioTrack_raw.get(); +#endif + if (track == 0) { + adec_print("[%s %d]No track instance!\n",__FUNCTION__,__LINE__); + return -1; + } + + status = track->initCheck(); + if (status != NO_ERROR) { +#if ANDROID_PLATFORM_SDK_VERSION < 19 + delete track; +#else + mpAudioTrack_raw.clear(); +#endif + out_ops->private_data_raw= NULL; + return -1; + } + + track->start(); + adec_print("[%s %d]AudioTrack_raw initCheck OK and started.",__FUNCTION__,__LINE__); + return 0; +} +#endif +/** + * \brief start output + * \param audec pointer to audec + * \return 0 on success otherwise negative error code + * + * Call android_start(), then the callback will start being called. + */ +extern "C" int android_start(struct aml_audio_dec* audec) +{ + + Mutex::Autolock _l(mLock); + status_t status; + audio_out_operations_t *out_ops = &audec->aout_ops; +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data; +#else + AudioTrack *track = mpAudioTrack.get(); +#endif + + +#ifdef USE_ARM_AUDIO_DEC + i2s_iec958_sync_force(audec,0); + if(out_ops->audio_out_raw_enable) + android_start_raw(audec); +#endif + adec_print("android out start"); + ttt = 0; + resample = 0; + last_resample = 0; + xxx = 0; + memset(&diff_record[0], 0, 0x40*sizeof(diff_record[0])); + diff_wp = 0; + if (track == 0) { + adec_print("No track instance!\n"); + return -1; + } + status = track->initCheck(); + if (status != NO_ERROR) { +#if ANDROID_PLATFORM_SDK_VERSION < 19 + delete track; +#else + mpAudioTrack.clear(); +#endif + out_ops->private_data = NULL; + return -1; + } + track->start(); + adec_print("AudioTrack initCheck OK and started."); + + return 0; +} + +extern "C" int android_pause_raw(struct aml_audio_dec* audec) +{ + Mutex::Autolock _l(mLock_raw); + adec_print("[%s %d]android raw_out pause",__FUNCTION__,__LINE__); + audio_out_operations_t *out_ops = &audec->aout_ops; + +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data_raw; +#else + AudioTrack *track = mpAudioTrack_raw.get(); +#endif + if (track == 0) { + adec_print("[%s %d]No track instance!\n",__FUNCTION__,__LINE__); + return -1; + } + track->pause(); + return 0; +} + +/** + * \brief pause output + * \param audec pointer to audec + * \return 0 on success otherwise negative error code + */ +extern "C" int android_pause(struct aml_audio_dec* audec) +{ + + Mutex::Autolock _l(mLock); + audio_out_operations_t *out_ops = &audec->aout_ops; +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data; +#else + AudioTrack *track = mpAudioTrack.get(); +#endif +#ifdef USE_ARM_AUDIO_DEC + if(out_ops->audio_out_raw_enable) + android_pause_raw(audec); +#endif + adec_print("android out pause"); + + if (track == 0) { + adec_print("No track instance!\n"); + return -1; + } + + track->pause(); +#ifdef USE_ARM_AUDIO_DEC + adec_print("[%s %d] PRE_PAUSE:raw_bytes_readed/%lld pcm_bytes_readed/%lld delta/%lld\n",__FUNCTION__,__LINE__, + audec->raw_bytes_readed,audec->pcm_bytes_readed,audec->pcm_bytes_readed-audec->raw_bytes_readed); + i2s_iec958_sync_force(audec,0); + adec_print("[%s %d] POST_PAUSE:raw_bytes_readed/%lld pcm_bytes_readed/%lld delta/%lld\n",__FUNCTION__,__LINE__, + audec->raw_bytes_readed,audec->pcm_bytes_readed,audec->pcm_bytes_readed-audec->raw_bytes_readed); + audec->i2s_iec958_sync_flag=1; +#endif + return 0; +} + +extern "C" int android_resume_raw(struct aml_audio_dec* audec) +{ + Mutex::Autolock _l(mLock_raw); + adec_print("[%s %d]android raw_out resume",__FUNCTION__,__LINE__); + + audio_out_operations_t *out_ops = &audec->aout_ops; +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data_raw; +#else + AudioTrack *track = mpAudioTrack_raw.get(); +#endif + if (track == 0) { + adec_print("[%s %d]No track instance!\n",__FUNCTION__,__LINE__); + return -1; + } + track->start(); + return 0; +} +/** + * \brief resume output + * \param audec pointer to audec + * \return 0 on success otherwise negative error code + */ +extern "C" int android_resume(struct aml_audio_dec* audec) +{ + + Mutex::Autolock _l(mLock); + audio_out_operations_t *out_ops = &audec->aout_ops; +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data; +#else + AudioTrack *track = mpAudioTrack.get(); +#endif + +#ifdef USE_ARM_AUDIO_DEC + i2s_iec958_sync_force(audec,0); + if(out_ops->audio_out_raw_enable) + android_resume_raw(audec); +#endif + adec_print("android out resume"); + ttt = 0; + resample = 0; + last_resample = 0; + xxx = 0; + memset(&diff_record[0], 0, 0x40*sizeof(diff_record[0])); + diff_wp = 0; + if (track == 0) { + adec_print("No track instance!\n"); + return -1; + } + track->start(); + + return 0; +} +#ifdef USE_ARM_AUDIO_DEC +extern "C" int android_stop_raw(struct aml_audio_dec* audec) +{ + Mutex::Autolock _l(mLock_raw); + adec_print("[%s %d]android raw_out stop",__FUNCTION__,__LINE__); + + audio_out_operations_t *out_ops = &audec->aout_ops; +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data_raw; +#else + AudioTrack *track = mpAudioTrack_raw.get(); +#endif + + if (track == 0){ + adec_print("[%s %d]No track instance!\n",__FUNCTION__,__LINE__); + return -1; + } + track->stop(); + /* release AudioTrack */ +#if ANDROID_PLATFORM_SDK_VERSION < 19 + delete track; +#else + mpAudioTrack_raw.clear(); +#endif + + out_ops->private_data_raw= NULL; + return 0; +} +#endif +/** + * \brief stop output + * \param audec pointer to audec + * \return 0 on success otherwise negative error code + */ +extern "C" int android_stop(struct aml_audio_dec* audec) +{ + Mutex::Autolock _l(mLock); + audio_out_operations_t *out_ops = &audec->aout_ops; +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data; +#else + AudioTrack *track = mpAudioTrack.get(); +#endif +#ifdef USE_ARM_AUDIO_DEC + if(out_ops->audio_out_raw_enable) + android_stop_raw(audec); +#endif + adec_print("android out stop"); + if(audec->channels == 8){ + property_set(DOLBY_SYSTEM_CHANNEL,"false"); + } + if (track == 0){ + adec_print("No track instance!\n"); + return -1; + } + + track->stop(); + /* release AudioTrack */ +#if ANDROID_PLATFORM_SDK_VERSION < 19 + delete track; +#else + mpAudioTrack.clear(); +#endif + out_ops->private_data = NULL; +/*after 6.0,not need this code*/ +#if ANDROID_PLATFORM_SDK_VERSION < 23 + restore_system_samplerate(audec); +#endif + if(wfd_enable){ + restore_system_framesize(); + } + return 0; +} + +/** + * \brief get output latency in ms + * \param audec pointer to audec + * \return output latency + */ +extern "C" unsigned long android_latency(struct aml_audio_dec* audec) +{ + unsigned long latency; + audio_out_operations_t *out_ops = &audec->aout_ops; + +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data; +#else + AudioTrack *track = mpAudioTrack.get(); +#endif + if (audec->use_get_out_posion && audec->aout_ops.get_out_position) + return 0; + if (track) { + status_t s; + int ret = -1; + int64_t write_samples; + int cache_samples; + int delay_us, t_us; + AudioTimestamp timestamp; + s = track->getTimestamp(timestamp); + if (s != NO_ERROR || timestamp.mPosition < 1) { + /* + timestamp.mPosition <= 0 we think audio not have start. + the latency is not accurate + */ + return 0; + } else { + struct timespec timenow; + write_samples = audec->pcm_bytes_readed/(audec->channels * 2); + cache_samples = write_samples - timestamp.mPosition; + if (cache_samples < 0) + cache_samples = 0; + delay_us = 1000 * (cache_samples * 1000 / audec->samplerate); + clock_gettime(CLOCK_MONOTONIC, &timenow); + t_us = (timenow.tv_sec - timestamp.mTime.tv_sec) * 1000000LL + + (timenow.tv_nsec- timestamp.mTime.tv_nsec)/1000; + delay_us -=t_us; + if (delay_us < 0) + delay_us =0; + return delay_us/1000; + } + } + if (track) { + latency = track->latency(); + return latency; + } + return 0; +} + +/** + * \brief get output latency in ms + * \param audec pointer to audec + * \return output latency + */ +extern "C" int android_get_position(struct aml_audio_dec* audec, + int64_t *position, + int64_t *timeus) +{ + audio_out_operations_t *out_ops = &audec->aout_ops; + AudioTimestamp timestamp; + status_t s; + int ret = -1 ; +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data; +#else + AudioTrack *track = mpAudioTrack.get(); +#endif + + if (track) { + s = track->getTimestamp(timestamp); + if (s == NO_ERROR) { + *position = timestamp.mPosition; + *timeus = timestamp.mTime.tv_sec * 1000000LL + timestamp.mTime.tv_nsec / 1000; + return 0; + } + } + return ret; +} + + +#ifndef ANDROID_VERSION_JBMR2_UP +/** + * \brief mute output + * \param audec pointer to audec + * \param en 1 = mute, 0 = unmute + * \return 0 on success otherwise negative error code + */ +extern "C" int android_mute_raw(struct aml_audio_dec* audec, adec_bool_t en) +{ + Mutex::Autolock _l(mLock_raw); + adec_print("[%s %d]android raw_out mute",__FUNCTION__,__LINE__); + + audio_out_operations_t *out_ops = &audec->aout_ops; +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data_raw; +#else + AudioTrack *track = mpAudioTrack_raw.get(); +#endif + if (track == 0) { + adec_print("No track instance!\n"); + return -1; + } + + track->mute(en); + return 0; +} +#endif +extern "C" int android_mute(struct aml_audio_dec* audec, adec_bool_t en) +{ + Mutex::Autolock _l(mLock); + adec_print("android out mute"); + + audio_out_operations_t *out_ops = &audec->aout_ops; +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data; +#else + AudioTrack *track = mpAudioTrack.get(); +#endif + if (!track) { + adec_print("No track instance!\n"); + return -1; + } + +#ifdef ANDROID_VERSION_JBMR2_UP +#else + #ifdef USE_ARM_AUDIO_DEC + if(out_ops->audio_out_raw_enable) + android_mute_raw(audec,en); + #endif + track->mute(en); +#endif + + return 0; +} + +/** + * \brief set output volume + * \param audec pointer to audec + * \param vol volume value + * \return 0 on success otherwise negative error code + */ +extern "C" int android_set_volume(struct aml_audio_dec* audec, float vol) +{ + Mutex::Autolock _l(mLock); + adec_print("android set volume"); + + audio_out_operations_t *out_ops = &audec->aout_ops; +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data; +#else + AudioTrack *track = mpAudioTrack.get(); +#endif + if (!track) { + adec_print("No track instance!\n"); + return -1; + } + + track->setVolume(vol, vol); + + return 0; +} + +/** + * \brief set left/right output volume + * \param audec pointer to audec + * \param lvol refer to left volume value + * \param rvol refer to right volume value + * \return 0 on success otherwise negative error code + */ +extern "C" int android_set_lrvolume(struct aml_audio_dec* audec, float lvol,float rvol) +{ + Mutex::Autolock _l(mLock); + adec_print("android set left and right volume separately"); + + audio_out_operations_t *out_ops = &audec->aout_ops; +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data; +#else + AudioTrack *track = mpAudioTrack.get(); +#endif + if (!track) { + adec_print("No track instance!\n"); + return -1; + } + + track->setVolume(lvol, rvol); + + return 0; +} +extern "C" int android_set_track_rate(struct aml_audio_dec* audec,void *rate) +{ +#if ANDROID_PLATFORM_SDK_VERSION >= 23 + Mutex::Autolock _l(mLock); + adec_print("android_set_track_rate"); + struct AudioPlaybackRate Rate = *(struct AudioPlaybackRate*)rate; + audio_out_operations_t *out_ops = &audec->aout_ops; +#if ANDROID_PLATFORM_SDK_VERSION < 19 + AudioTrack *track = (AudioTrack *)out_ops->private_data; +#else + AudioTrack *track = mpAudioTrack.get(); +#endif + if (!track) { + adec_print("No track instance!\n"); + return -1; + } + + track->setPlaybackRate(Rate); + out_ops->track_rate = Rate.mSpeed; +#endif + return 0; +} + +extern "C" void android_basic_init() +{ + Mutex::Autolock _l(mLock); + adec_print("android basic init!"); + sp proc(ProcessState::self()); +} + +/** + * \brief get output handle + * \param audec pointer to audec + */ +extern "C" void get_output_func(struct aml_audio_dec* audec) +{ + audio_out_operations_t *out_ops = &audec->aout_ops; + + out_ops->init = android_init; + out_ops->start = android_start; + out_ops->pause = android_pause; + out_ops->resume = android_resume; + out_ops->stop = android_stop; + out_ops->latency = android_latency; + out_ops->mute = android_mute; + out_ops->set_volume = android_set_volume; + out_ops->set_lrvolume = android_set_lrvolume; + out_ops->set_track_rate = android_set_track_rate; + out_ops->get_out_position = android_get_position; + out_ops->audio_out_raw_enable = 1; + /* default set a invalid value*/ + out_ops->track_rate = 8.8f; +} + +} + diff --git a/amadec/audiodsp_update_format.c b/amadec/audiodsp_update_format.c new file mode 100644 index 0000000..abb0e9b --- a/dev/null +++ b/amadec/audiodsp_update_format.c @@ -0,0 +1,188 @@ +/** + * \file audiodsp-ctl.c + * \brief Functions of Auduodsp control + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "adec-external-ctrl.h" +#include "Amsysfsutils.h" +#include "amconfigutils.h" + +static int reset_track_enable = 0; +void adec_reset_track_enable(int enable_flag) +{ + reset_track_enable = enable_flag; + adec_print("reset_track_enable=%d\n", reset_track_enable); +} + +static int get_sysfs_int(const char *path) +{ + return amsysfs_get_sysfs_int(path); +} + +static int set_sysfs_int(const char *path, int val) +{ + return amsysfs_set_sysfs_int(path, val); +} + +static int audiodsp_get_format_changed_flag() +{ + return get_sysfs_int("/sys/class/audiodsp/format_change_flag"); + +} + +void audiodsp_set_format_changed_flag(int val) +{ + set_sysfs_int("/sys/class/audiodsp/format_change_flag", val); + +} + +static int audiodsp_get_pcm_resample_enable() +{ + int utils_fd, ret; + unsigned long value; + + utils_fd = open("/dev/amaudio_utils", O_RDWR); + if (utils_fd >= 0) { + ret = ioctl(utils_fd, AMAUDIO_IOC_GET_RESAMPLE_ENA, &value); + if (ret < 0) { + adec_print("AMAUDIO_IOC_GET_RESAMPLE_ENA failed\n"); + close(utils_fd); + return -1; + } + close(utils_fd); + return value; + } + return -1; +} + +static int audiodsp_set_pcm_resample_enable(unsigned long enable) +{ + int utils_fd, ret; + + utils_fd = open("/dev/amaudio_utils", O_RDWR); + if (utils_fd >= 0) { + ret = ioctl(utils_fd, AMAUDIO_IOC_SET_RESAMPLE_ENA, enable); + if (ret < 0) { + adec_print("AMAUDIO_IOC_SET_RESAMPLE_ENA failed\n"); + close(utils_fd); + return -1; + } + close(utils_fd); + return 0; + } + return -1; +} + +void adec_reset_track(aml_audio_dec_t *audec) +{ + if (audec->format_changed_flag && audec->state >= INITTED && !audec->need_stop) { + buffer_stream_t *g_bst = audec->g_bst; + adec_print("reset audio_track: samplerate=%d channels=%d\n", (g_bst == NULL) ? audec->samplerate : g_bst->samplerate, (g_bst == NULL) ? audec->channels : g_bst->channels); + audio_out_operations_t *out_ops = &audec->aout_ops; + out_ops->mute(audec, 1); + out_ops->pause(audec); + out_ops->stop(audec); + if (g_bst != NULL) { + //4.4 code maybe run on 4.2 hardware platform: g_bst==NULL on 4.2,so add this condition + audec->channels = g_bst->channels; + audec->samplerate = g_bst->samplerate; + } + out_ops->init(audec); + if (audec->state == ACTIVE) { + out_ops->start(audec); + } + audec->format_changed_flag = 0; + } +} + +int audiodsp_format_update(aml_audio_dec_t *audec) +{ + int m_fmt; + int ret = -1; + unsigned long val; + dsp_operations_t *dsp_ops = &audec->adsp_ops; + + if (dsp_ops->dsp_file_fd < 0 || get_audio_decoder() != AUDIO_ARC_DECODER) { + return ret; + } + + ret = 0; + if (1/*audiodsp_get_format_changed_flag()*/) { + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_CHANNELS_NUM, &val); + if (val != (unsigned long) - 1) { + if (audec->channels != val) { + //adec_print("dsp_format_update: pre_channels=%d cur_channels=%d\n", audec->channels,val); + audec->channels = val; + ret = 1; + } + } + + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_SAMPLERATE, &val); + if (val != (unsigned long) - 1) { + if (audec->samplerate != val) { + //adec_print("dsp_format_update: pre_samplerate=%d cur_samplerate=%d\n", audec->samplerate,val); + audec->samplerate = val; + ret = 2; + } + } +#if 1 + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_BITS_PER_SAMPLE, &val); + if (val != (unsigned long) - 1) { + if (audec->data_width != val) { + //adec_print("dsp_format_update: pre_data_width=%d cur_data_width=%d\n", audec->data_width,val); + audec->data_width = val; + ret = 3; + } + } +#endif + //audiodsp_set_format_changed_flag(0); + + if (am_getconfig_bool("media.libplayer.wfd")) { + ret = ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_PCM_LEVEL, &val); + if (ret == 0) { + //adec_print("pcm level == 0x%x\n", val); + if ((val < 0x1000) && (1 == audiodsp_get_pcm_resample_enable())) { + // adec_print("disable pcm down resample"); + // audiodsp_set_pcm_resample_enable(0); + } + } + } + } + if (ret > 0) { + audec->format_changed_flag = ret; + adec_print("dsp_format_update: audec->format_changed_flag = %d \n", audec->format_changed_flag); + } + return ret; +} + + + +int audiodsp_get_pcm_left_len() +{ + return get_sysfs_int("/sys/class/audiodsp/pcm_left_len"); + +} + + + + diff --git a/amadec/dsp/audiodsp-ctl.c b/amadec/dsp/audiodsp-ctl.c new file mode 100644 index 0000000..8d0a05c --- a/dev/null +++ b/amadec/dsp/audiodsp-ctl.c @@ -0,0 +1,471 @@ +/** + * \file audiodsp-ctl.c + * \brief Functions of Auduodsp control + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include "Amsysfsutils.h" +#include "amconfigutils.h" + +firmware_s_t firmware_list[] = { + {0, MCODEC_FMT_MPEG123, "audiodsp_codec_mad.bin"}, + {1, MCODEC_FMT_AAC, "audiodsp_codec_aac_helix.bin"}, + {2, MCODEC_FMT_AC3 | MCODEC_FMT_EAC3, "audiodsp_codec_ddp_dcv.bin"}, + {3, MCODEC_FMT_DTS, "audiodsp_codec_dtshd.bin"}, + {4, MCODEC_FMT_FLAC, "audiodsp_codec_flac.bin"}, + {5, MCODEC_FMT_COOK, "audiodsp_codec_cook.bin"}, + {6, MCODEC_FMT_AMR, "audiodsp_codec_amr.bin"}, + {7, MCODEC_FMT_RAAC, "audiodsp_codec_raac.bin"}, + {8, MCODEC_FMT_ADPCM, "audiodsp_codec_adpcm.bin"}, + {9, MCODEC_FMT_WMA, "audiodsp_codec_wma.bin"}, + {10, MCODEC_FMT_PCM, "audiodsp_codec_pcm.bin"}, + {11, MCODEC_FMT_WMAPRO, "audiodsp_codec_wmapro.bin"}, + {12, MCODEC_FMT_ALAC, "audiodsp_codec_alac.bin"}, + {13, MCODEC_FMT_VORBIS, "audiodsp_codec_vorbis.bin"}, + {14, MCODEC_FMT_AAC_LATM, "audiodsp_codec_aac.bin"}, + {15, MCODEC_FMT_APE, "audiodsp_codec_ape.bin"}, + +}; + +/** + * \brief register audio firmware + * \param fd dsp handle + * \param fmt audio format + * \param name audio firmware name + * \return 0 on success otherwise negative error code + */ +static int register_firmware(int fd, int fmt, char *name) +{ + int ret; + audiodsp_cmd_t cmd; + + cmd.cmd = AUDIODSP_REGISTER_FIRMWARE; + cmd.fmt = fmt; + cmd.data = name; + cmd.data_len = strlen(name); + + ret = ioctl(fd, AUDIODSP_REGISTER_FIRMWARE, &cmd); + + return ret; +} + +/** + * \brief switch audio format + * \param fmt audio format + * \return new format on success otherwise zero + */ +static int switch_audiodsp(adec_audio_format_t fmt) +{ + switch (fmt) { + case ADEC_AUDIO_FORMAT_MPEG: + return MCODEC_FMT_MPEG123; + + case ADEC_AUDIO_FORMAT_AAC_LATM: + return MCODEC_FMT_AAC_LATM; + + case ADEC_AUDIO_FORMAT_AAC: + return MCODEC_FMT_AAC; + + case ADEC_AUDIO_FORMAT_AC3: + return MCODEC_FMT_AC3; + case ADEC_AUDIO_FORMAT_EAC3: + return MCODEC_FMT_EAC3; + + case ADEC_AUDIO_FORMAT_DTS: + return MCODEC_FMT_DTS; + + case ADEC_AUDIO_FORMAT_FLAC: + return MCODEC_FMT_FLAC; + + case ADEC_AUDIO_FORMAT_COOK: + return MCODEC_FMT_COOK; + + case ADEC_AUDIO_FORMAT_AMR: + return MCODEC_FMT_AMR; + + case ADEC_AUDIO_FORMAT_RAAC: + return MCODEC_FMT_RAAC; + + case ADEC_AUDIO_FORMAT_ADPCM: + return MCODEC_FMT_ADPCM; + + case ADEC_AUDIO_FORMAT_PCM_S16BE: + case ADEC_AUDIO_FORMAT_PCM_S16LE: + case ADEC_AUDIO_FORMAT_PCM_U8: + case ADEC_AUDIO_AFORMAT_PCM_BLURAY: + case ADEC_AUDIO_FORMAT_PCM_WIFIDISPLAY: + return MCODEC_FMT_PCM; + + case ADEC_AUDIO_FORMAT_WMA: + return MCODEC_FMT_WMA; + + case ADEC_AUDIO_FORMAT_WMAPRO: + return MCODEC_FMT_WMAPRO; + case ADEC_AUDIO_AFORMAT_ALAC: + return MCODEC_FMT_ALAC; + case ADEC_AUDIO_AFORMAT_VORBIS: + return MCODEC_FMT_VORBIS; + case ADEC_AUDIO_FORMAT_APE: + return MCODEC_FMT_APE; + default: + return 0; + } +} + +/** + * \brief find audio firmware through audio format + * \param fmt audio format + * \return firmware_s struct otherwise null + */ +static firmware_s_t * find_firmware_by_fmt(int m_fmt) +{ + int i; + int num; + firmware_s_t *f; + + num = ARRAY_SIZE(firmware_list); + + for (i = 0; i < num; i++) { + f = &firmware_list[i]; + if (f->fmt & m_fmt) { + return f; + } + } + + return NULL; +} + + +/** + * \brief init audiodsp + * \param dsp_ops pointer to dsp operation struct + * \return 0 on success otherwise -1 if an error occurred + */ +int audiodsp_init(dsp_operations_t *dsp_ops) +{ + int i; + int fd = -1; + int num; + int ret; + firmware_s_t *f; + + num = ARRAY_SIZE(firmware_list); + + if (dsp_ops->dsp_file_fd < 0) { + fd = open(DSP_DEV_NOD, O_RDONLY, 0644); + } + + if (fd < 0) { + adec_print("unable to open audio dsp %s,err: %s", DSP_DEV_NOD, strerror(errno)); + return -1; + } + ioctl(fd, AUDIODSP_UNREGISTER_ALLFIRMWARE, 0); + for (i = 0; i < num; i++) { + f = &firmware_list[i]; + ret = register_firmware(fd, f->fmt, f->name); + if (ret != 0) { + adec_print("register firmware error=%d,fmt:%d,name:%s\n", ret, f->fmt, f->name); + } + } + if (i > 0) { + ret = 0; //ignore the some fmt register error,for compatible some old kernel.can't support muti filename, + } + if (ret != 0) { + close(fd); + + } + + dsp_ops->dsp_file_fd = fd; + + return ret; +} + +/** + * \brief start audiodsp + * \param dsp_ops pointer to dsp operation struct + * \return 0 on success otherwise negative code error + */ +static err_count = 0; + +#define PARSER_WAIT_MAX 100 +int audiodsp_start(aml_audio_dec_t *audec) +{ + int m_fmt; + int ret = -1; + unsigned long val; + dsp_operations_t *dsp_ops = &audec->adsp_ops; + + if (dsp_ops->dsp_file_fd < 0) { + return -1; + } + + if (am_getconfig_bool("media.libplayer.wfd")) { + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_SET_PCM_BUF_SIZE, 8 * 1024); + } else { + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_SET_PCM_BUF_SIZE, 32 * 1024); + } + + m_fmt = switch_audiodsp(audec->format); + adec_print("[%s:%d] audio_fmt=%d\n", __FUNCTION__, __LINE__, m_fmt); + + if (find_firmware_by_fmt(m_fmt) == NULL) { + return -2; + } + + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_SET_FMT, m_fmt); + + ret = ioctl(dsp_ops->dsp_file_fd, AUDIODSP_START, 0); + if (ret != 0) { + return -3; + } + + if (audec->need_stop) { //in case stop command comes now + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_STOP, 0); + return -5; + } + + ret = ioctl(dsp_ops->dsp_file_fd, AUDIODSP_DECODE_START, 0); + err_count = 0; + if (ret == 0) { + do { + ret = ioctl(dsp_ops->dsp_file_fd, AUDIODSP_WAIT_FORMAT, 0); + if (ret != 0 && !audec->need_stop) { + err_count++; + amthreadpool_thread_usleep(1000 * 20); + if (err_count > PARSER_WAIT_MAX) { + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_STOP, 0);//audiodsp_start failed,should stop audiodsp + adec_print("[%s:%d] audio dsp not ready for decode PCM in 2s\n", __FUNCTION__, __LINE__); + return -4; + } + } + } while (!audec->need_stop && (ret != 0)); + } + + if (ret != 0) { + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_STOP, 0);//audiodsp_start failed,should stop audiodsp + return -4; + } + + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_CHANNELS_NUM, &val); + if (val != (unsigned long) - 1) { + audec->channels = val; + } + + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_SAMPLERATE, &val); + if (val != (unsigned long) - 1) { + audec->samplerate = val; + } + + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_BITS_PER_SAMPLE, &val); + if (val != (unsigned long) - 1) { + audec->data_width = val; + } + adec_print("channels == %d, samplerate == %d\n", audec->channels, audec->samplerate); + return ret; +} + +/** + * \brief stop audiodsp + * \param dsp_ops pointer to dsp operation struct + * \return 0 on success otherwise -1 if an error occurred + */ +int audiodsp_stop(dsp_operations_t *dsp_ops) +{ + int ret; + + if (dsp_ops->dsp_file_fd < 0) { + return -1; + } + + ret = ioctl(dsp_ops->dsp_file_fd, AUDIODSP_STOP, 0); + + return ret; +} + +/** + * \brief release audiodsp + * \param dsp_ops pointer to dsp operation struct + * \return 0 on success otherwise -1 if an error occurred + */ +int audiodsp_release(dsp_operations_t *dsp_ops) +{ + if (dsp_ops->dsp_file_fd < 0) { + return -1; + } + + close(dsp_ops->dsp_file_fd); + + dsp_ops->dsp_file_fd = -1; + + return 0; +} + +/** + * \brief read pcm data from audiodsp + * \param dsp_ops pointer to dsp operation struct + * \param buffer point to buffer where storing pcm data + * \param size read data length + * \return the number of bytes read + */ +int audiodsp_stream_read(dsp_operations_t *dsp_ops, char *buffer, int size) +{ + if (dsp_ops->dsp_file_fd < 0) { + adec_print("read error!! audiodsp have not opened\n"); + return 0; + } + + return read(dsp_ops->dsp_file_fd, buffer, size); +} + +/** + * \brief get current audio pts + * \param dsp_ops pointer to dsp operation struct + * \return current audio pts otherwise -1 if an error occurred + */ +unsigned long audiodsp_get_pts(dsp_operations_t *dsp_ops) +{ + unsigned long val; + + if (dsp_ops->dsp_file_fd < 0) { + adec_print("read error!! audiodsp have not opened\n"); + return -1; + } + + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_PTS, &val); + + return val; +} + +/** + * \brief get current audio pcrscr + * \param dsp_ops pointer to dsp operation struct + * \return current audio pcrscr otherwise -1 if an error occurred + */ +unsigned long audiodsp_get_pcrscr(dsp_operations_t *dsp_ops) +{ + unsigned long val; + + if (dsp_ops->dsp_file_fd < 0) { + adec_print("read error!! audiodsp have not opened\n"); + return -1; + } + + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_SYNC_GET_PCRSCR, &val); + + return val; +} +/** + * \brief set current audio pts + * \param dsp_ops pointer to dsp operation struct + * \return 0 on success otherwise -1 if an error occurred + */ +int audiodsp_set_apts(dsp_operations_t *dsp_ops, unsigned long apts) +{ + + if (dsp_ops->dsp_file_fd < 0) { + adec_print("read error!! audiodsp have not opened\n"); + return -1; + } + + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_SYNC_SET_APTS, &apts); + + return 0; +} +/** + * \brief get decoded audio frame number + * \param dsp_ops pointer to dsp operation struct + * \return audiodsp decoded frame number, -1 if an error occurred + */ +int audiodsp_get_decoded_nb_frames(dsp_operations_t *dsp_ops) +{ + int val = -1; + if (dsp_ops && dsp_ops->dsp_file_fd) { + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_DECODED_NB_FRAMES, &val); + } + //adec_print("get audio decoded frame number==%d\n",val); + return val; +} + +int audiodsp_get_first_pts_flag(dsp_operations_t *dsp_ops) +{ + int val; + + if (dsp_ops->dsp_file_fd < 0) { + adec_print("read error!! audiodsp have not opened\n"); + return -1; + } + + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_FIRST_PTS_FLAG, &val); + + return val; +} + +int audiodsp_automute_on(dsp_operations_t *dsp_ops) +{ + int ret; + + if (dsp_ops->dsp_file_fd < 0) { + adec_print("read error!! audiodsp have not opened\n"); + return -1; + } + + ret = ioctl(dsp_ops->dsp_file_fd, AUDIODSP_AUTOMUTE_ON, 0); + + return ret; +} + +int audiodsp_automute_off(dsp_operations_t *dsp_ops) +{ + int ret; + + if (dsp_ops->dsp_file_fd < 0) { + adec_print("read error!! audiodsp have not opened\n"); + return -1; + } + + ret = ioctl(dsp_ops->dsp_file_fd, AUDIODSP_AUTOMUTE_OFF, 0); + + return ret; +} + + +int audiodsp_get_pcm_level(dsp_operations_t* dsp_ops) +{ + int val = 0; + if (dsp_ops->dsp_file_fd < 0) { + adec_print("read error !! audiodsp have not opened\n"); + return -1; + } + + ioctl(dsp_ops->dsp_file_fd, AUDIODSP_GET_PCM_LEVEL, &val); + return val; +} + +int audiodsp_set_skip_bytes(dsp_operations_t* dsp_ops, unsigned int bytes) +{ + if (dsp_ops->dsp_file_fd < 0) { + adec_print("read error !! audiodsp have not opened\n"); + return -1; + } + + return ioctl(dsp_ops->dsp_file_fd, AUDIODSP_SKIP_BYTES, bytes); +} diff --git a/amadec/dts_enc.c b/amadec/dts_enc.c new file mode 100644 index 0000000..f95742e --- a/dev/null +++ b/amadec/dts_enc.c @@ -0,0 +1,209 @@ +#include +#include +#include +#include +#include +#include +#include +#include "dts_enc.h" +#include "dts_transenc_api.h" +#include +#include + +#include "Amsysfsutils.h" +#include "amconfigutils.h" +#include "spdif_api.h" + +typedef enum { + IDLE, + TERMINATED, + STOPPED, + INITTED, + ACTIVE, + PAUSED, +} dtsenc_state_t; + +typedef struct { + dtsenc_state_t state; + pthread_t thread_pid; + int raw_mode; + int dts_flag; +} dtsenc_info_t; + + +static dtsenc_info_t dtsenc_info; +static void *dts_enc_loop(); + +#define DIGITAL_RAW_PATH "sys/class/audiodsp/digital_raw" +#define FORMAT_PATH "/sys/class/astream/format" + +extern int match_types(const char *filetypestr, const char *typesetting); + +static int get_dts_mode(void) +{ + int val = 0; + char bcmd[28]; + amsysfs_get_sysfs_str(DIGITAL_RAW_PATH, bcmd, 28); + val = bcmd[21] & 0xf; + return val; + +} + +static int get_dts_format(void) +{ + char format[21]; + int len; + + format[0] = 0; + + amsysfs_get_sysfs_str(FORMAT_PATH, format, 21); + if (strncmp(format, "NA", 2) == 0) { + return 0; + } + adec_print("amadec format: %s", format); + if (strncmp(format, "amadec_dts", 10) == 0) { + return 1; + } + return 0; +} + +static int get_cpu_type(void) +{ + char value[PROPERTY_VALUE_MAX]; + int ret = property_get("ro.board.platform", value, NULL); + adec_print("ro.board.platform = %s\n", value); + if (ret > 0 && match_types("meson6", value)) { + return 1; + } + return 0; +} +int dtsenc_init() +{ + return 0; + int ret; + memset(&dtsenc_info, 0, sizeof(dtsenc_info_t)); + dtsenc_info.dts_flag = get_dts_format(); + if (!dtsenc_info.dts_flag) { + return -1; + } + dtsenc_info.raw_mode = get_dts_mode(); + //dtsenc_info.raw_mode=1;//default open + if (!dtsenc_info.raw_mode) { + return -1; + } + if (!get_cpu_type()) { //if cpu !=m6 ,skip + return -1; + } + + //adec_print("====dts_flag:%d raw_mode:%d \n",dtsenc_info.dts_flag,dtsenc_info.raw_mode); + + ret = dts_transenc_init(); + if (ret != 1) { + adec_print("====dts_trancenc init failed \n"); + return -1; + } + dtsenc_info.state = INITTED; + + pthread_t tid; + ret = amthreadpool_pthread_create(&tid, NULL, (void *)dts_enc_loop, NULL); + if (ret != 0) { + dtsenc_release(); + return -1; + } + pthread_setname_np(tid, "AmadecDtsEncLP"); + dtsenc_info.thread_pid = tid; + adec_print("====dts_enc init success \n"); + return 0; +} +int dtsenc_start() +{ + return 0; + int ret; + if (dtsenc_info.state != INITTED) { + return -1; + } + dtsenc_info.state = ACTIVE; + adec_print("====dts_enc thread start success \n"); + return 0; +} +int dtsenc_pause() +{ + return 0; + if (dtsenc_info.state == ACTIVE) { + dtsenc_info.state = PAUSED; + } + return 0; +} +int dtsenc_resume() +{ + return 0; + if (dtsenc_info.state == PAUSED) { + dtsenc_info.state = ACTIVE; + } + return 0; +} +int dtsenc_stop() +{ + return 0; + if (dtsenc_info.state < INITTED) { + return -1; + } + dtsenc_info.state = STOPPED; + //jone the thread + if (dtsenc_info.thread_pid <= 0) { + return -1; + } + int ret = amthreadpool_pthread_join(dtsenc_info.thread_pid, NULL); + dtsenc_info.thread_pid = 0; + if (dtsenc_info.state != STOPPED) { + return -1; + } + dts_transenc_deinit(); + adec_print("====dts_enc stop ok\n"); + return 0; +} +int dtsenc_release() +{ + return 0; + memset(&dtsenc_info, 0, sizeof(dtsenc_info_t)); + // dtsenc_info.state=TERMINATED; + adec_print("====dts_enc release ok\n"); + return 0; +} + +static void *dts_enc_loop() +{ + return 0; + int ret; + while (1) { + switch (dtsenc_info.state) { + case INITTED: + amthreadpool_thread_usleep(10000); + continue; + case ACTIVE: + break; + case PAUSED: + iec958buf_fill_zero(); + amthreadpool_thread_usleep(100000); + continue; + case STOPPED: + goto quit_loop; + default: + goto err; + } + //shaoshuai --non_block + ret = dts_transenc_process_frame(); + //amthreadpool_thread_usleep(100000); + //adec_print("====dts_enc thread is running \n"); + } +quit_loop: + adec_print("====dts_enc thread exit success \n"); + pthread_exit(NULL); + return NULL; +err: + adec_print("====dts_enc thread exit success err\n"); + pthread_exit(NULL); + return NULL; +} + + diff --git a/amadec/dts_enc.h b/amadec/dts_enc.h new file mode 100644 index 0000000..5fcfad3 --- a/dev/null +++ b/amadec/dts_enc.h @@ -0,0 +1,11 @@ +#ifndef DTS_ENC_H +#define DTS_ENC_H +int dtsenc_init(); +int dtsenc_start(); +int dtsenc_pause(); +int dtsenc_resume(); +int dtsenc_stop(); +int dtsenc_release(); + +#endif + diff --git a/amadec/dts_transenc_api.c b/amadec/dts_transenc_api.c new file mode 100644 index 0000000..6aba807 --- a/dev/null +++ b/amadec/dts_transenc_api.c @@ -0,0 +1,143 @@ + +#include +#include +#include +#include +#include +#include + +#include "dts_transenc_api.h" +#include "pcmenc_api.h" //xujian +#include "spdif_api.h" //xujian +#include +#include + +pcm51_encoded_info_t dts_transenc_info; +static int dts_init_flag = 0; +char *stream; //input raw pcm +char *output; +static int write_success_flag = 1; +unsigned int input_size; +unsigned int output_size; +static int nNumFrmCoded; +//sjw added ; param set by shaoshuai +typedef struct { + int (*enc_init)(pcm51_encoded_info_t dts_transenc_info, unsigned int *input_size, unsigned int *output_size); + int (*enc_encode)(pcm51_encoded_info_t dts_transenc_info, char *stream, unsigned char *output, unsigned int output_size); + int (*enc_release)(); +} ecoder_operations; + +static ecoder_operations enc_ops; + +int dts_transenc_init() +{ + int rv; + dts_init_flag = 0; + write_success_flag = 1; + rv = pcmenc_init();//xujian + if (rv == -1) { + adec_print("==pcmenc_init failed \n"); + goto err1; + } + rv = iec958_init();//xujian + if (rv != 0) { + adec_print("==iec958_init failed ret:%d\n", rv); + goto err2; + } + rv = pcmenc_get_pcm_info(&dts_transenc_info);//xujian + if (dts_transenc_info.LFEFlag > 1) { + dts_transenc_info.LFEFlag = 1; + } + void *fd_dtsenc = dlopen("libdtsenc.so", RTLD_NOW); + if (fd_dtsenc != 0) { + enc_ops.enc_init = dlsym(fd_dtsenc, "init"); + enc_ops.enc_encode = dlsym(fd_dtsenc, "encode_frame"); + enc_ops.enc_release = dlsym(fd_dtsenc, "release"); + } else { + adec_print("==find libdtsenc.so failed \n"); + goto err3; + } + + rv = enc_ops.enc_init(dts_transenc_info, &input_size, &output_size);//encode init + if (rv != 0) { + goto err4; + } + + stream = (char *)malloc(input_size); //malloc input buf + output = malloc(output_size); //malloc output buf + + dts_init_flag = 1; + + return dts_init_flag; +err1: + return -1; +err2: + pcmenc_deinit();//xujian + return -1; +err3: + pcmenc_deinit();//xujian + iec958_deinit();//xujian + return -1; +err4: + pcmenc_deinit();//xujian + iec958_deinit();//xujian + dlclose(fd_dtsenc); + return -1; +} + +int dts_transenc_process_frame() +{ + int rv; + if (write_success_flag) { + rv = pcmenc_read_pcm(stream, input_size); //xujian + if (rv == 0) { /* no enough pcm data in the buffer */ + //adec_print("=====read data failed :%d input_size:%d \n",rv,input_size); + if (iec958_check_958buf_level() == 0) { + adec_print("transenc:insert zero pcm data \n"); + memset(stream, 0, input_size); //insert zero pcm data when 958 hw buffer underrun + } else { + amthreadpool_thread_usleep(1000); + return -1; + } + } +#ifdef DUMP_FILE + FILE *fp1 = fopen("/mnt/sda4/a.pcm", "a+"); + fwrite(stream, 1, input_size, fp1); + fclose(fp1); +#endif + + rv = enc_ops.enc_encode(dts_transenc_info, stream, output, (unsigned int)&output_size);//encode frame +#ifdef DUMP_FILE + FILE *fp2 = fopen("/mnt/sda4/a.dts", "a+"); + fwrite(output, 1, output_size, fp2); + fclose(fp2); +#endif + rv = iec958_pack_frame(output, output_size); + } + rv = iec958_packed_frame_write_958buf(output, output_size); + if (rv == -1) { + write_success_flag = 0; + amthreadpool_thread_usleep(1000); + } else { + write_success_flag = 1; + } + + //adec_print("===pack frame write 958 ret:%d size:%d \n",rv,output_size); + return 1; +} + +int dts_transenc_deinit() +{ + iec958_deinit();//xujian + pcmenc_deinit();//xujian + enc_ops.enc_release(); + if (stream) { + free(stream); + } + stream = NULL; + if (output) { + free(output); + } + output = NULL; + return 1; +} diff --git a/amadec/dts_transenc_api.h b/amadec/dts_transenc_api.h new file mode 100644 index 0000000..dba3dbc --- a/dev/null +++ b/amadec/dts_transenc_api.h @@ -0,0 +1,19 @@ +// $Id: DTSTranscode1m5.h,v 1.14 2007-08-09 01:41:03 dyee Exp $ +#ifndef DTSTRANSCODE1M5_H_INCLUDED +#define DTSTRANSCODE1M5_H_INCLUDED + +/*typedef struct pcm51_encoded_info_s +{ + unsigned int InfoValidFlag; + unsigned int SampFs; + unsigned int NumCh; + unsigned int AcMode; + unsigned int LFEFlag; + unsigned int BitsPerSamp; +}pcm51_encoded_info_t;*/ + +int dts_transenc_init(); +int dts_transenc_process_frame(); +int dts_transenc_deinit(); + +#endif // DTSTRANSCODE1M5_H_INCLUDED diff --git a/amadec/feeder.c b/amadec/feeder.c new file mode 100644 index 0000000..e8c4234 --- a/dev/null +++ b/amadec/feeder.c @@ -0,0 +1,231 @@ +/** + * \file feeder.c + * \brief Functions of Feeder + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#include +#include +#include +#include + +#include +#include + +#include "audiodsp.h" +#include "Amsysfsutils.h" +#include "amconfigutils.h" + +extern int audiodsp_start(aml_audio_dec_t *audec); +/** + * \brief get audio format + * \return audio format on success otherwise ADEC_AUDIO_FORMAT_UNKNOWN + */ +static adec_audio_format_t get_audio_format(void) +{ + char format[21]; + int len; + + format[0] = 0; + + amsysfs_get_sysfs_str(FORMAT_PATH, format, 21); + if (strncmp(format, "NA", 2) == 0) { + return ADEC_AUDIO_FORMAT_UNKNOWN; + } + + adec_print("amadec format: %s", format); + + if (strncmp(format, "amadec_mpeg", 11) == 0) { + return ADEC_AUDIO_FORMAT_MPEG; + } + + if (strncmp(format, "amadec_pcm_s16le", 16) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_PCM_S16LE; + } + + if (strncmp(format, "amadec_pcm_s16be", 16) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_PCM_S16BE; + } + + if (strncmp(format, "amadec_pcm_u8", 13) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_PCM_U8; + } + + if (strncmp(format, "amadec_adpcm", 12) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_ADPCM; + } + + if (strncmp(format, "amadec_aac_latm", 15) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_AAC_LATM; + } + + if (strncmp(format, "amadec_aac", 10) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_AAC; + } + + if (strncmp(format, "amadec_ac3", 10) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_AC3; + } + if (strncmp(format, "amadec_eac3", 11) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_EAC3; + } + + if (strncmp(format, "amadec_alaw", 11) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_ALAW; + } + + if (strncmp(format, "amadec_mulaw", 12) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_MULAW; + } + + if (strncmp(format, "amadec_dts", 10) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_DTS; + } + + if (strncmp(format, "amadec_flac", 11) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_FLAC; + } + + if (strncmp(format, "amadec_cook", 11) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_COOK; + } + + if (strncmp(format, "amadec_amr", 10) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_AMR; + } + + if (strncmp(format, "amadec_raac", 11) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_RAAC; + } + + if (strncmp(format, "amadec_wmapro", 13) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_WMAPRO; + } + + if (strncmp(format, "amadec_wma", 10) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_WMA; + } + + if (strncmp(format, "amadec_pcm_bluray", 10) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_AFORMAT_PCM_BLURAY; + } + if (strncmp(format, "amadec_alac", 11) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_AFORMAT_ALAC; + } + if (strncmp(format, "amadec_vorbis", 13) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_AFORMAT_VORBIS; + } + if (strncmp(format, "amadec_ape", 10) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_APE; + } + if (strncmp(format, "amadec_pcm_widi", 15) == 0) { + /*TODO: get format/channel numer/sample rate etc */ + return ADEC_AUDIO_FORMAT_PCM_WIFIDISPLAY; + } + + adec_print("audio format unknow."); + + return ADEC_AUDIO_FORMAT_UNKNOWN; +} + +/** + * \brief init feeder + * \param audec pointer to audec + * \return 0 on success otherwise -1 if an error occurred + */ +int feeder_init(aml_audio_dec_t *audec) +{ + int ret; + dsp_operations_t *dsp_ops; + + dsp_ops = &audec->adsp_ops; + + audec->format = get_audio_format(); + if (audec->format == ADEC_AUDIO_FORMAT_UNKNOWN) { + adec_print("Unknown audio format!"); + return -1; + } + + ret = audiodsp_init(dsp_ops); + if (ret) { + adec_print("audio dsp init failed!"); + return -1; + } + + ret = audiodsp_start(audec); + if (ret == 0) { + dsp_ops->dsp_on = 1; + dsp_ops->dsp_read = audiodsp_stream_read; + dsp_ops->get_cur_pts = audiodsp_get_pts; + dsp_ops->get_cur_pcrscr = audiodsp_get_pcrscr; + dsp_ops->set_cur_apts = audiodsp_set_apts; + dsp_ops->set_skip_bytes = audiodsp_set_skip_bytes; + audec->audio_decoder_enabled = 0x1; + } else { + audiodsp_release(dsp_ops); + dsp_ops->dsp_on = 0; + dsp_ops->dsp_read = NULL; + dsp_ops->get_cur_pts = NULL; + dsp_ops->get_cur_pcrscr = NULL; + dsp_ops->set_skip_bytes = NULL; + + /* TODO: amport init */ + } + + return ret; +} + +/** + * \brief release feeder + * \param audec pointer to audec + * \return 0 on success otherwise -1 if an error occurred + */ +int feeder_release(aml_audio_dec_t *audec) +{ + int ret; + dsp_operations_t *dsp_ops; + + dsp_ops = &audec->adsp_ops; + + ret = audiodsp_stop(dsp_ops); + if (ret) { + adec_print("audiodsp stop failed!"); + return -1; + } + + ret = audiodsp_release(dsp_ops); + if (ret) { + adec_print("audiodsp release failed!"); + return -1; + } + + dsp_ops->dsp_on = 0; + dsp_ops->dsp_read = NULL; + + return ret; +} diff --git a/amadec/feeder.h b/amadec/feeder.h new file mode 100644 index 0000000..18f4eec --- a/dev/null +++ b/amadec/feeder.h @@ -0,0 +1,26 @@ +/** + * \file feeder.h + * \brief Some Macros for Feeder + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#ifndef FEEDER_H +#define FEEDER_H + +#include + +ADEC_BEGIN_DECLS + +#define FORMAT_PATH "/sys/class/astream/format" +#define CHANNUM_PATH "/sys/class/astream/channum" +#define SAMPLE_RATE_PATH "/sys/class/astream/samplerate" +#define DATAWIDTH_PATH "/sys/class/astream/datawidth" +#define AUDIOPTS_PATH "/sys/class/astream/pts" + +ADEC_END_DECLS + +#endif diff --git a/amadec/include/adec-external-ctrl.h b/amadec/include/adec-external-ctrl.h new file mode 100644 index 0000000..2814840 --- a/dev/null +++ b/amadec/include/adec-external-ctrl.h @@ -0,0 +1,63 @@ +/** + * \file adec-external-ctrl.h + * \brief Function prototypes of Audio Dec + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#ifndef ADEC_EXTERNAL_H +#define ADEC_EXTERNAL_H + +#ifdef __cplusplus +extern "C" +{ +#endif + + int audio_decode_init(void **handle, arm_audio_info *pcodec); + int audio_decode_start(void *handle); + int audio_decode_pause(void *handle); + int audio_decode_resume(void *handle); + int audio_decode_stop(void *handle); + int audio_decode_release(void **handle); + int audio_decode_automute(void *, int); + int audio_decode_set_mute(void *handle, int); + int audio_decode_set_volume(void *, float); + int audio_decode_get_volume(void *, float *); + int audio_decode_set_pre_gain(void *, float); + int audio_decode_get_pre_gain(void *, float *); + int audio_decode_set_pre_mute(void *, uint); + int audio_decode_get_pre_mute(void *, uint *); + int audio_channels_swap(void *); + int audio_channel_left_mono(void *); + int audio_channel_right_mono(void *); + int audio_channel_stereo(void *); + int audio_output_muted(void *handle); + int audio_dec_ready(void *handle); + int audio_get_decoded_nb_frames(void *handle); + + int audio_decode_set_lrvolume(void *, float lvol, float rvol); + int audio_decode_get_lrvolume(void *, float* lvol, float* rvol); + int audio_set_av_sync_threshold(void *, int); + int audio_get_soundtrack(void *, int*); + int get_audio_decoder(void); + int get_decoder_status(void *p, struct adec_status *adec); + int audio_channel_lrmix_flag_set(void *, int enable); + int audio_decpara_get(void *handle, int *pfs, int *pch,int *lfepresent); + int audio_get_format_supported(int format); + int audio_get_pts(void* handle); + int audio_set_skip_bytes(void* handle, unsigned int bytes); + int audio_get_pcm_level(void* handle); + int audio_get_decoded_pcm_delay(void *handle); + int audio_decode_basic_init(void); + int audio_decoder_set_trackrate(void* handle, void *rate); + int audio_decoder_get_enable_status(void* handle); + int audio_set_associate_enable(void *handle, unsigned int enable); + int audio_send_associate_data(void *handle, uint8_t *buf, size_t size); +#ifdef __cplusplus +} +#endif + +#endif diff --git a/amadec/include/adec-macros.h b/amadec/include/adec-macros.h new file mode 100755 index 0000000..e9a5197 --- a/dev/null +++ b/amadec/include/adec-macros.h @@ -0,0 +1,41 @@ +/** + * \file adec-macros.h + * \brief Some Macros for Audio Dec + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#ifndef ADEC_MACROS_H +#define ADEC_MACROS_H + + +#ifdef __cplusplus +#define ADEC_BEGIN_DECLS extern "C" { +#define ADEC_END_DECLS } +#else +#define ADEC_BEGIN_DECLS +#define ADEC_END_DECLS +#endif + + +#ifndef TRUE +#define TRUE 1 +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + +typedef unsigned int adec_bool_t; + +#ifndef ARRAY_SIZE +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +#endif + +#define MAX(X, Y) ((X) > (Y)) ? (X) : (Y) +#define MIN(X, Y) ((X) < (Y)) ? (X) : (Y) + +#endif diff --git a/amadec/include/adec-types.h b/amadec/include/adec-types.h new file mode 100644 index 0000000..d8e3b80 --- a/dev/null +++ b/amadec/include/adec-types.h @@ -0,0 +1,53 @@ +/** + * \file adec-types.h + * \brief Definitiond Of Audio Dec Types + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#ifndef ADEC_TYPES_H +#define ADEC_TYPES_H +typedef enum { + ADEC_AUDIO_FORMAT_UNKNOWN = -1, + ADEC_AUDIO_FORMAT_MPEG = 0, + ADEC_AUDIO_FORMAT_PCM_S16LE, + ADEC_AUDIO_FORMAT_AAC, + ADEC_AUDIO_FORMAT_AC3, + ADEC_AUDIO_FORMAT_ALAW, + ADEC_AUDIO_FORMAT_MULAW, + ADEC_AUDIO_FORMAT_DTS, + ADEC_AUDIO_FORMAT_PCM_S16BE, + ADEC_AUDIO_FORMAT_FLAC, + ADEC_AUDIO_FORMAT_COOK, + ADEC_AUDIO_FORMAT_PCM_U8, + ADEC_AUDIO_FORMAT_ADPCM, + ADEC_AUDIO_FORMAT_AMR, + ADEC_AUDIO_FORMAT_RAAC, + ADEC_AUDIO_FORMAT_WMA, + ADEC_AUDIO_FORMAT_WMAPRO, + ADEC_AUDIO_AFORMAT_PCM_BLURAY, + ADEC_AUDIO_AFORMAT_ALAC, + ADEC_AUDIO_AFORMAT_VORBIS, + ADEC_AUDIO_FORMAT_AAC_LATM, + ADEC_AUDIO_FORMAT_APE, + ADEC_AUDIO_FORMAT_EAC3, + ADEC_AUDIO_FORMAT_PCM_WIFIDISPLAY, + ADEC_AUDIO_FORMAT_MAX, +} adec_audio_format_t; + +#define VALID_FMT(f) ((f>ADEC_AUDIO_FORMAT_UNKNOWN)&& (f + +ADEC_BEGIN_DECLS + +struct aml_audio_dec; + +typedef struct { + void *private_data; + void *private_data_raw; + int (*init)(struct aml_audio_dec *); + int (*start)(struct aml_audio_dec *); + int (*pause)(struct aml_audio_dec *); + int (*resume)(struct aml_audio_dec *); + int (*stop)(struct aml_audio_dec *); + unsigned long(*latency)(struct aml_audio_dec *); /* get latency in ms */ + int (*mute)(struct aml_audio_dec *, adec_bool_t); /* 1: enable mute ; 0: disable mute */ + int (*set_volume)(struct aml_audio_dec *, float); + int (*set_lrvolume)(struct aml_audio_dec *, float, float); + int (*set_track_rate)(struct aml_audio_dec *, void *rate); + int (*get_out_position)(struct aml_audio_dec *, int64_t *position, + int64_t * time_us); + int audio_out_raw_enable; + float track_rate; +} audio_out_operations_t; + +ADEC_END_DECLS + +#endif diff --git a/amadec/include/audiodsp.h b/amadec/include/audiodsp.h new file mode 100644 index 0000000..7c1e15e --- a/dev/null +++ b/amadec/include/audiodsp.h @@ -0,0 +1,142 @@ +/** + * \file audiodsp.h + * \brief Definitiond Of Audiodsp Types And Structures + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#ifndef AUDIODSP_H +#define AUDIODSP_H + +#include +#include +#include "../audio-dec.h" + +ADEC_BEGIN_DECLS + +#define DSP_DEV_NOD "/dev/audiodsp0" + +#ifdef ANDROID +#define AUDIODSP_SET_FMT _IOW('a',1,long) +#define AUDIODSP_START _IOW('a',2,long) +#define AUDIODSP_STOP _IOW('a',3,long) +#define AUDIODSP_DECODE_START _IOW('a',4,long) +#define AUDIODSP_DECODE_STOP _IOW('a',5,long) +#define AUDIODSP_REGISTER_FIRMWARE _IOW('a',6,long) +#define AUDIODSP_UNREGISTER_ALLFIRMWARE _IOW('a',7,long) +#define AUDIODSP_SYNC_SET_APTS _IOW('a', 10, unsigned long) +#define AUDIODSP_WAIT_FORMAT _IOW('a',11,long) + +#define AUDIODSP_SKIP_BYTES _IOW('a', 13, unsigned long) + +#define AUDIODSP_GET_CHANNELS_NUM _IOR('r',1,long) +#define AUDIODSP_GET_SAMPLERATE _IOR('r',2,long) +#define AUDIODSP_GET_BITS_PER_SAMPLE _IOR('r',3,long) +#define AUDIODSP_GET_PTS _IOR('r',4,long) +#define AUDIODSP_GET_DECODED_NB_FRAMES _IOR('r',5,long) +#define AUDIODSP_GET_FIRST_PTS_FLAG _IOR('r',6,long) +#define AUDIODSP_SYNC_GET_APTS _IOR('r',7,unsigned long) +#define AUDIODSP_SYNC_GET_PCRSCR _IOR('r',8,unsigned long) +#define AUDIODSP_AUTOMUTE_ON _IOW('r',9,unsigned long) +#define AUDIODSP_AUTOMUTE_OFF _IOW('r',10,unsigned long) +#define AUDIODSP_GET_PCM_LEVEL _IOR('r',12,unsigned long) +#define AUDIODSP_SET_PCM_BUF_SIZE _IOW('r',13,long) +#define AMAUDIO_IOC_SET_RESAMPLE_ENA _IOW('A', 0x19, unsigned long) +#define AMAUDIO_IOC_GET_RESAMPLE_ENA _IOR('A', 0x1a, unsigned long) +#else + +#define AUDIODSP_SET_FMT _IOW('a',1,sizeof(long)) +#define AUDIODSP_START _IOW('a',2,sizeof(long)) +#define AUDIODSP_STOP _IOW('a',3,sizeof(long)) +#define AUDIODSP_DECODE_START _IOW('a',4,sizeof(long)) +#define AUDIODSP_DECODE_STOP _IOW('a',5,sizeof(long)) +#define AUDIODSP_REGISTER_FIRMWARE _IOW('a',6,sizeof(long)) +#define AUDIODSP_UNREGISTER_ALLFIRMWARE _IOW('a',7,sizeof(long)) +#define AUDIODSP_WAIT_FORMAT _IOW('a',11,long) + + +#define AUDIODSP_GET_CHANNELS_NUM _IOR('r',1,sizeof(long)) +#define AUDIODSP_GET_SAMPLERATE _IOR('r',2,sizeof(long)) +#define AUDIODSP_GET_BITS_PER_SAMPLE _IOR('r',3,sizeof(long)) +#define AUDIODSP_GET_PTS _IOR('r',4,sizeof(long)) +#define AUDIODSP_GET_DECODED_NB_FRAMES _IOR('r',5,sizeof(long)) +#define AUDIODSP_GET_FIRST_PTS_FLAG _IOR('r',6,sizeof(long)) +#endif + + +#define MCODEC_FMT_MPEG123 (1<<0) +#define MCODEC_FMT_AAC (1<<1) +#define MCODEC_FMT_AC3 (1<<2) +#define MCODEC_FMT_DTS (1<<3) +#define MCODEC_FMT_FLAC (1<<4) +#define MCODEC_FMT_COOK (1<<5) +#define MCODEC_FMT_AMR (1<<6) +#define MCODEC_FMT_RAAC (1<<7) +#define MCODEC_FMT_ADPCM (1<<8) +#define MCODEC_FMT_WMA (1<<9) +#define MCODEC_FMT_PCM (1<<10) +#define MCODEC_FMT_WMAPRO (1<<11) +#define MCODEC_FMT_ALAC (1<<12) +#define MCODEC_FMT_VORBIS (1<<13) +#define MCODEC_FMT_AAC_LATM (1<<14) +#define MCODEC_FMT_APE (1<<15) +#define MCODEC_FMT_EAC3 (1<<16) + +/*********************************************************************************************/ +typedef struct dsp_operations dsp_operations_t; + +struct dsp_operations { + int dsp_file_fd; + int dsp_on; + unsigned long kernel_audio_pts; + unsigned long last_audio_pts; + unsigned long last_pts_valid; + int (*dsp_read)(dsp_operations_t *dsp_ops, char *buffer, int len); /* read pcm stream from dsp */ + int (*dsp_read_raw)(dsp_operations_t *dsp_ops, char *buffer, int len); /* read raw stream from dsp */ + unsigned long(*get_cur_pts)(dsp_operations_t *); + unsigned long(*get_cur_pcrscr)(dsp_operations_t *); + int (*set_cur_apts)(dsp_operations_t *dsp_ops, unsigned long apts); + int (*set_skip_bytes)(dsp_operations_t *dsp_ops, unsigned int skip_bytes); + + int amstream_fd; + void *audec; +}; + +typedef struct { + int cmd; + int fmt; + int data_len; + char *data; +} audiodsp_cmd_t; + +typedef struct { + int id; + int fmt; + char name[64]; +} firmware_s_t; + + +/************************************************************************************************/ + +int audiodsp_stream_read(dsp_operations_t *dsp_ops, char *buffer, int size); +unsigned long audiodsp_get_pts(dsp_operations_t *dsp_ops); +unsigned long audiodsp_get_pcrscr(dsp_operations_t *dsp_ops); +int audiodsp_set_apts(dsp_operations_t *dsp_ops, unsigned long apts); +int audiodsp_get_decoded_nb_frames(dsp_operations_t *dsp_ops); +int audiodsp_get_first_pts_flag(dsp_operations_t *dsp_ops); +int audiodsp_automute_on(dsp_operations_t *dsp_ops); +int audiodsp_automute_off(dsp_operations_t *dsp_ops); +int audiodsp_set_skip_bytes(dsp_operations_t* dsp_ops, unsigned int bytes); +int audiodsp_get_pcm_level(dsp_operations_t* dsp_ops); + +int audiodsp_init(dsp_operations_t *dsp_ops); +//int audiodsp_start(aml_audio_dec_t *audec); +int audiodsp_stop(dsp_operations_t *dsp_ops); +int audiodsp_release(dsp_operations_t *dsp_ops); + +ADEC_END_DECLS + +#endif diff --git a/amadec/include/audiodsp_update_format.h b/amadec/include/audiodsp_update_format.h new file mode 100644 index 0000000..27180d8 --- a/dev/null +++ b/amadec/include/audiodsp_update_format.h @@ -0,0 +1,25 @@ +#ifndef __AUDIODSP_UPDATE_FORMAT_H__ +#define __AUDIODSP_UPDATE_FORMAT_H__ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +void adec_reset_track_enable(int enable_flag); +void adec_reset_track(aml_audio_dec_t *audec); +int audiodsp_format_update(aml_audio_dec_t *audec); +void audiodsp_set_format_changed_flag(int val); + +int audiodsp_get_pcm_left_len(); + +#endif \ No newline at end of file diff --git a/amadec/include/log-print.h b/amadec/include/log-print.h new file mode 100644 index 0000000..639f4ba --- a/dev/null +++ b/amadec/include/log-print.h @@ -0,0 +1,26 @@ +/** + * \file log-print.h + * \brief Definitiond Of Print Functions + * \version 1.0.0 + * \date 2011-03-08 + */ +/* Copyright (C) 2007-2011, Amlogic Inc. + * All right reserved + * + */ +#ifndef LOG_PRINT_H +#define LOG_PRINT_H + +#ifdef ANDROID +#include +#include +#include +#include +#define LOG_TAG "amadec" +#define adec_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#else +#define adec_print(f,s...) fprintf(stderr,f,##s) +#endif + + +#endif diff --git a/amadec/omx_audio/ALAC_mediasource.cpp b/amadec/omx_audio/ALAC_mediasource.cpp new file mode 100755 index 0000000..c8e6f42 --- a/dev/null +++ b/amadec/omx_audio/ALAC_mediasource.cpp @@ -0,0 +1,205 @@ +#include +#include +#include +#include +#include +#include "ALAC_mediasource.h" + +extern "C" int read_buffer(unsigned char *buffer,int size); + +#define LOG_TAG "ALAC_Medissource" +#define ALOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define ALOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__) + +#define MaxFrameSize 16384 + +namespace android { + +int ALAC_MediaSource::set_ALAC_MetaData(aml_audio_dec_t *audec) +{ + mMeta->setInt32(kKeyChannelCount, audec->channels); + ChNum = audec->channels; + mMeta->setInt32(kKeySampleRate, audec->samplerate); + sample_rate = audec->samplerate; + mMeta->setInt32(kKeyExtraDataSize, audec->extradata_size); + extradata_size = audec->extradata_size; + mMeta->setData(kKeyExtraData,0,audec->extradata,audec->extradata_size); + + ALOGI("channel_number = [%d], samplerate = [%d], extradata_size = [%d]\n",ChNum,sample_rate,extradata_size); + + return 0; +} +int ALAC_MediaSource::MediaSourceRead_buffer(unsigned char *buffer,int size) +{ + int readcnt=0; + int readsum=0; + if(fpread_buffer!=NULL) + { int sleep_time=0; + while((readsum 200){ //wait for max 2s to get audio data + ALOGE("[%s] Can't get data from audiobuffer,wait for %d ms\n ", __FUNCTION__,sleep_time*10); + } + } + if(*pStop_ReadBuf_Flag==1) + { + ALOGI("[%s] End of Stream: *pStop_ReadBuf_Flag==1\n ", __FUNCTION__); + } + return readsum; + }else{ + ALOGE("[%s]ERR: fpread_buffer=NULL\n ", __FUNCTION__); + return 0; + } +} + +//------------------------------------------------------------------------- +ALAC_MediaSource::ALAC_MediaSource(void *read_buffer, aml_audio_dec_t *audec) +{ + ALOGI("[%s] in line (%d) \n",__FUNCTION__,__LINE__); + mStarted=false; + mMeta=new MetaData; + mDataSource=NULL; + mGroup=NULL; + mCurrentTimeUs=0; + pStop_ReadBuf_Flag=NULL; + fpread_buffer=(fp_read_buffer)read_buffer; + sample_rate=0; + ChNum=0; + frame_size=0; + bytes_readed_sum=0; + bytes_readed_sum_pre=0; + set_ALAC_MetaData(audec); + +} +ALAC_MediaSource::~ALAC_MediaSource() +{ + ALOGI("[%s] in line (%d) \n",__FUNCTION__,__LINE__); + if (mStarted) + stop(); +} +int ALAC_MediaSource::GetSampleRate() +{ + return sample_rate; +} + +int ALAC_MediaSource::GetChNum() +{ + return ChNum; +} + +int* ALAC_MediaSource::Get_pStop_ReadBuf_Flag() +{ + return pStop_ReadBuf_Flag; +} + +int ALAC_MediaSource::Set_pStop_ReadBuf_Flag(int *pStop) +{ + pStop_ReadBuf_Flag = pStop; + return 0; +} + +int ALAC_MediaSource::GetReadedBytes() +{ int bytes_used = 0; + bytes_used=bytes_readed_sum-bytes_readed_sum_pre; + if(bytes_used<0) + { + ALOGI("[%s]WARING: bytes_readed_sum(%lld) < bytes_readed_sum_pre(%lld) \n",__FUNCTION__, + bytes_readed_sum,bytes_readed_sum_pre); + bytes_used=0; + } + bytes_readed_sum_pre=bytes_readed_sum; + return bytes_used; +} + +sp ALAC_MediaSource::getFormat() { + ALOGI("[%s] in line (%d) \n",__FUNCTION__,__LINE__); + return mMeta; +} + +status_t ALAC_MediaSource::start(MetaData *params) +{ + ALOGI("[%s] in line (%d) \n",__FUNCTION__,__LINE__); + mGroup = new MediaBufferGroup; + mGroup->add_buffer(new MediaBuffer(MaxFrameSize)); + mStarted = true; + return OK; +} + +status_t ALAC_MediaSource::stop() +{ + ALOGI("[%s] in line (%d) \n",__FUNCTION__,__LINE__); + delete mGroup; + mGroup = NULL; + mStarted = false; + return OK; +} + +status_t ALAC_MediaSource::read(MediaBuffer **out, const ReadOptions *options) +{ + *out = NULL; + unsigned char header_buffer[5]; + frame_size = 0; + + if (*pStop_ReadBuf_Flag==1){ + ALOGI("Stop_ReadBuf_Flag==1 stop read_buf [%s %d]",__FUNCTION__,__LINE__); + return ERROR_END_OF_STREAM; + } + + MediaSourceRead_buffer(header_buffer,4); + while(1){ + if((header_buffer[0] == 0x11)&&(header_buffer[1] == 0x22)&&(header_buffer[2] == 0x33)&&(header_buffer[3] == 0x44)){ + break; + } + MediaSourceRead_buffer(&header_buffer[4],1); + header_buffer[0] = header_buffer[1]; + header_buffer[1] = header_buffer[2]; + header_buffer[2] = header_buffer[3]; + header_buffer[3] = header_buffer[4]; + + if (*pStop_ReadBuf_Flag==1){ + ALOGI("Stop_ReadBuf_Flag==1 stop read_buf [%s %d]",__FUNCTION__,__LINE__); + return ERROR_END_OF_STREAM; + } + } + + MediaSourceRead_buffer(header_buffer,2); + frame_size = header_buffer[0]<<8 | header_buffer[1]; + //ALOGI("frame_size = %d \n",frame_size); + + if(frame_size<=0) + { + ALOGV("WARNING: Invalid frame_size %d \n",frame_size); + return ERROR_END_OF_STREAM; + } + + MediaBuffer *buffer; + status_t err = mGroup->acquire_buffer(&buffer); + if (err != OK) { + return err; + } + + if (MediaSourceRead_buffer((unsigned char*)(buffer->data()),frame_size) != frame_size) + { + buffer->release(); + buffer = NULL; + return ERROR_END_OF_STREAM; + } + bytes_readed_sum+=frame_size; + buffer->set_range(0, frame_size); + buffer->meta_data()->setInt64(kKeyTime, mCurrentTimeUs); + + *out = buffer; + return OK; +} + + + + +} // namespace android + diff --git a/amadec/omx_audio/ALAC_mediasource.h b/amadec/omx_audio/ALAC_mediasource.h new file mode 100644 index 0000000..a9f0358 --- a/dev/null +++ b/amadec/omx_audio/ALAC_mediasource.h @@ -0,0 +1,62 @@ +#ifndef MEDIA_ALACMEDIASOURCE_H_ +#define MEDIA_ALACMEDIASOURCE_H_ + +#include "MediaSource.h" +#include "DataSource.h" +#include "MediaBufferGroup.h" +#include "MetaData.h" +#include "audio_mediasource.h" +#include "../audio-dec.h" + +namespace android +{ + +typedef int (*fp_read_buffer)(unsigned char *, int); + +class ALAC_MediaSource : public AudioMediaSource +{ +public: + ALAC_MediaSource(void *read_buffer, aml_audio_dec_t *audec); + + status_t start(MetaData *params = NULL); + status_t stop(); + sp getFormat(); + status_t read(MediaBuffer **buffer, const ReadOptions *options = NULL); + + int GetReadedBytes(); + int GetSampleRate(); + int GetChNum(); + int* Get_pStop_ReadBuf_Flag(); + int Set_pStop_ReadBuf_Flag(int *pStop); + + int set_ALAC_MetaData(aml_audio_dec_t *audec); + int MediaSourceRead_buffer(unsigned char *buffer, int size); + + fp_read_buffer fpread_buffer; + + int sample_rate; + int ChNum; + int frame_size; + int *pStop_ReadBuf_Flag; + int extradata_size; + int64_t bytes_readed_sum_pre; + int64_t bytes_readed_sum; +protected: + virtual ~ALAC_MediaSource(); + +private: + bool mStarted; + sp mDataSource; + sp mMeta; + MediaBufferGroup *mGroup; + int64_t mCurrentTimeUs; + int mBytesReaded; + + ALAC_MediaSource(const ALAC_MediaSource &); + ALAC_MediaSource &operator=(const ALAC_MediaSource &); +}; + + +} + +#endif diff --git a/amadec/omx_audio/ASF_mediasource.cpp b/amadec/omx_audio/ASF_mediasource.cpp new file mode 100755 index 0000000..a78226f --- a/dev/null +++ b/amadec/omx_audio/ASF_mediasource.cpp @@ -0,0 +1,184 @@ +#include +#include +#include +#include +#include +#include "ASF_mediasource.h" +#include "audio-dec.h" +extern "C" int read_buffer(unsigned char *buffer,int size); + +#define LOG_TAG "Asf_Medissource" +#define ALOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define ALOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__) + + +namespace android { + +int Asf_MediaSource::set_Asf_MetaData(aml_audio_dec_t *audec) +{ + Asf_audio_info_t *paudio_info=(Asf_audio_info_t*)audec->extradata; + + sample_rate=audec->samplerate=paudio_info->sample_rate; + ChNum =audec->channels =paudio_info->channels>2? 2: paudio_info->channels; + block_align=paudio_info->block_align; + mMeta->setInt32(kKeySampleRate,paudio_info->sample_rate ); + mMeta->setInt32(kKeyChannelCount, paudio_info->channels); + mMeta->setInt32(kKeyBitRate,paudio_info->bitrate); +/* + if(paudio_info->codec_id==CODEC_ID_WMAV1_FFMPEG) + paudio_info->codec_id=CODEC_ID_WMAV1_OMX; + else if(paudio_info->codec_id==CODEC_ID_WMAV2_FFMPEG) + paudio_info->codec_id=CODEC_ID_WMAV2_OMX; +*/ + mMeta->setInt32(kKeyCodecID,paudio_info->codec_id); + mMeta->setData(kKeyExtraData,0,paudio_info->extradata,paudio_info->extradata_size); + mMeta->setInt32(kKeyExtraDataSize, paudio_info->extradata_size); + mMeta->setInt32(kKeyBlockAlign,paudio_info->block_align); + + ALOGI("ASF-->channels/%d samplerate/%d bitrate/%d codec_ID/0x%x extradata_size/%d block_align/%d\n",ChNum,sample_rate, + paudio_info->bitrate,paudio_info->codec_id,paudio_info->extradata_size,block_align); + + if(ChNum==1 && paudio_info->codec_id==CODEC_ID_WMAV2){ + ChNum=2; + ALOGI("ASF-->here ChNum:change mono to stero!\n"); + } + return 0; +} +int Asf_MediaSource::MediaSourceRead_buffer(unsigned char *buffer,int size) +{ + int readcnt=0; + int readsum=0; + if(fpread_buffer!=NULL) + { int sleep_time=0; + while((readsum Asf_MediaSource::getFormat() { + ALOGI("[%s] in line (%d) \n",__FUNCTION__,__LINE__); + return mMeta; +} + +status_t Asf_MediaSource::start(MetaData *params) +{ + ALOGI("[%s] in line (%d) \n",__FUNCTION__,__LINE__); + mGroup = new MediaBufferGroup; + mGroup->add_buffer(new MediaBuffer(block_align)); + mStarted = true; + return OK; +} + +status_t Asf_MediaSource::stop() +{ + ALOGI("[%s] in line (%d) \n",__FUNCTION__,__LINE__); + delete mGroup; + mGroup = NULL; + mStarted = false; + return OK; +} + +status_t Asf_MediaSource::read(MediaBuffer **out, const ReadOptions *options) +{ + *out = NULL; + int readedbytes = 0; + unsigned char header_buffer[5]; + frame_size = 0; + + if (*pStop_ReadBuf_Flag==1){ + ALOGI("Stop_ReadBuf_Flag==1 stop read_buf [%s %d]",__FUNCTION__,__LINE__); + return ERROR_END_OF_STREAM; + } + + MediaBuffer *buffer; + status_t err = mGroup->acquire_buffer(&buffer); + if (err != OK) { + return err; + } + + if (MediaSourceRead_buffer((unsigned char*)(buffer->data()),block_align) != block_align) + { + buffer->release(); + buffer = NULL; + return ERROR_END_OF_STREAM; + } + + buffer->set_range(0, block_align); + buffer->meta_data()->setInt64(kKeyTime, mCurrentTimeUs); + + *out = buffer; + return OK; +} + + + + +} // namespace android diff --git a/amadec/omx_audio/ASF_mediasource.h b/amadec/omx_audio/ASF_mediasource.h new file mode 100644 index 0000000..1de9db4 --- a/dev/null +++ b/amadec/omx_audio/ASF_mediasource.h @@ -0,0 +1,127 @@ +#ifndef MEDIA_ASF_MEDIASOURCE_H_ +#define MEDIA_ASF_MEDIASOURCE_H_ + +#include "MediaSource.h" +#include "DataSource.h" +#include "MediaBufferGroup.h" +#include "MetaData.h" +#include "audio_mediasource.h" +#include "../audio-dec.h" + +namespace android +{ + +typedef int (*fp_read_buffer)(unsigned char *, int); + +//should corespond to the CodecID defined in +enum { + CODEC_ID_MP2 = 0x15000, + CODEC_ID_MP3, ///< preferred ID for decoding MPEG audio layer 1, 2 or 3 + CODEC_ID_AAC, + CODEC_ID_AC3, + CODEC_ID_DTS, + CODEC_ID_VORBIS, + CODEC_ID_DVAUDIO, + CODEC_ID_WMAV1, + CODEC_ID_WMAV2, + CODEC_ID_MACE3, + CODEC_ID_MACE6, + CODEC_ID_VMDAUDIO, + CODEC_ID_FLAC, + CODEC_ID_MP3ADU, + CODEC_ID_MP3ON4, + CODEC_ID_SHORTEN, + CODEC_ID_ALAC, + CODEC_ID_WESTWOOD_SND1, + CODEC_ID_GSM, ///< as in Berlin toast format + CODEC_ID_QDM2, + CODEC_ID_COOK, + CODEC_ID_TRUESPEECH, + CODEC_ID_TTA, + CODEC_ID_SMACKAUDIO, + CODEC_ID_QCELP, + CODEC_ID_WAVPACK, + CODEC_ID_DSICINAUDIO, + CODEC_ID_IMC, + CODEC_ID_MUSEPACK7, + CODEC_ID_MLP, + CODEC_ID_GSM_MS, /* as found in WAV */ + CODEC_ID_ATRAC3, + CODEC_ID_VOXWARE, + CODEC_ID_APE, + CODEC_ID_NELLYMOSER, + CODEC_ID_MUSEPACK8, + CODEC_ID_SPEEX, + CODEC_ID_WMAVOICE, + CODEC_ID_WMAPRO, + CODEC_ID_WMALOSSLESS, + CODEC_ID_ATRAC3P, + CODEC_ID_EAC3, + CODEC_ID_SIPR, + CODEC_ID_MP1, + CODEC_ID_TWINVQ, + CODEC_ID_TRUEHD, + CODEC_ID_MP4ALS, + CODEC_ID_ATRAC1, + CODEC_ID_BINKAUDIO_RDFT, + CODEC_ID_BINKAUDIO_DCT, + CODEC_ID_AAC_LATM, + CODEC_ID_QDMC, + CODEC_ID_CELT, +}; + +#define CODEC_ID_WMAV1_OMX 0x160 +#define CODEC_ID_WMAV2_OMX 0x161 +#define CODEC_ID_WMAPRO_OMX + + + + +class Asf_MediaSource : public AudioMediaSource +{ +public: + Asf_MediaSource(void *read_buffer, aml_audio_dec_t *audec); + + status_t start(MetaData *params = NULL); + status_t stop(); + sp getFormat(); + status_t read(MediaBuffer **buffer, const ReadOptions *options = NULL); + + int GetReadedBytes(); + int GetSampleRate(); + int GetChNum(); + int* Get_pStop_ReadBuf_Flag(); + int Set_pStop_ReadBuf_Flag(int *pStop); + + int set_Asf_MetaData(aml_audio_dec_t *audec); + int MediaSourceRead_buffer(unsigned char *buffer, int size); + + fp_read_buffer fpread_buffer; + + int sample_rate; + int ChNum; + int frame_size; + int *pStop_ReadBuf_Flag; + int extradata_size; + int64_t bytes_readed_sum_pre; + int64_t bytes_readed_sum; +protected: + virtual ~Asf_MediaSource(); + +private: + bool mStarted; + sp mDataSource; + sp mMeta; + MediaBufferGroup *mGroup; + int64_t mCurrentTimeUs; + int mBytesReaded; + int block_align; + Asf_MediaSource(const Asf_MediaSource &); + Asf_MediaSource &operator=(const Asf_MediaSource &); +}; + + +} + +#endif + diff --git a/amadec/omx_audio/Android.mk b/amadec/omx_audio/Android.mk new file mode 100755 index 0000000..db2ae11 --- a/dev/null +++ b/amadec/omx_audio/Android.mk @@ -0,0 +1,34 @@ +LOCAL_PATH:= $(call my-dir) + +include $(CLEAR_VARS) + +LOCAL_CFLAGS := \ + -fPIC -D_POSIX_SOURCE -DDOLBY_DDPDEC51_MULTICHANNEL_ENDPOINT + +LOCAL_C_INCLUDES:= \ + $(LOCAL_PATH)/include \ + $(LOCAL_PATH)/../ \ + $(LOCAL_PATH)/../include \ + frameworks/native/include/media/openmax \ + frameworks/av/include/media/stagefright \ + frameworks/native/include/utils + +LOCAL_SRC_FILES := \ + adec_omx.cpp audio_mediasource.cpp + #../adec_read.c + +LOCAL_MODULE := libamadec_omx_api + +LOCAL_ARM_MODE := arm + +LOCAL_SHARED_LIBRARIES += libutils libmedia libz libbinder libdl libcutils libc libstagefright \ + libstagefright_omx libstagefright_yuv libmedia_native liblog \ + libstagefright_foundation + +LOCAL_PRELINK_MODULE := false +LOCAL_MODULE_TAGS := optional + +include $(BUILD_SHARED_LIBRARY) + + + diff --git a/amadec/omx_audio/DDP_mediasource.cpp b/amadec/omx_audio/DDP_mediasource.cpp new file mode 100755 index 0000000..ef2bfd9 --- a/dev/null +++ b/amadec/omx_audio/DDP_mediasource.cpp @@ -0,0 +1,528 @@ +#include +#include +#include +#include +#include +#include "DDP_mediasource.h" + +extern "C" int read_buffer(unsigned char *buffer,int size); + +#define LOG_TAG "DDP_Medissource" +#define ALOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define ALOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__) + +namespace android { + + +DDPerr DDP_MediaSource::ddbs_init(DDPshort * buf, DDPshort bitptr,DDP_BSTRM *p_bstrm) +{ + p_bstrm->buf = buf; + p_bstrm->bitptr = bitptr; + p_bstrm->data = *buf; + return 0; +} + + +DDPerr DDP_MediaSource::ddbs_unprj(DDP_BSTRM *p_bstrm,DDPshort *p_data, DDPshort numbits) +{ + DDPushort data; + *p_data = (DDPshort)((p_bstrm->data << p_bstrm->bitptr) & msktab[numbits]); + p_bstrm->bitptr += numbits; + if (p_bstrm->bitptr >= BITSPERWRD) + { + p_bstrm->buf++; + p_bstrm->data = *p_bstrm->buf; + p_bstrm->bitptr -= BITSPERWRD; + data = (DDPushort)p_bstrm->data; + *p_data |= ((data >> (numbits - p_bstrm->bitptr)) & msktab[numbits]); + } + *p_data = (DDPshort)((DDPushort)(*p_data) >> (BITSPERWRD - numbits)); + return 0; +} + + +int DDP_MediaSource::Get_ChNum_DD(void *buf)//at least need:56bit(=7 bytes) +{ + int numch=0; + DDP_BSTRM bstrm={0}; + DDP_BSTRM *p_bstrm=&bstrm; + short tmp=0,acmod,lfeon,fscod,frmsizecod; + ddbs_init((short*)buf,0,p_bstrm); + + ddbs_unprj(p_bstrm, &tmp, 16); + if (tmp!= SYNCWRD) + { + ALOGI("Invalid synchronization word"); + return 0; + } + ddbs_unprj(p_bstrm, &tmp, 16); + ddbs_unprj(p_bstrm, &fscod, 2); + if (fscod == MAXFSCOD) + { + ALOGI("Invalid sampling rate code"); + return 0; + } + + if (fscod == 0) sample_rate = 48000; + else if (fscod == 1) sample_rate = 44100; + else if (fscod == 2) sample_rate = 32000; + + ddbs_unprj(p_bstrm, &frmsizecod, 6); + if (frmsizecod >= MAXDDDATARATE) + { + ALOGI("Invalid frame size code"); + return 0; + } + + frame_size=frmsizetab[fscod][frmsizecod]; + + ddbs_unprj(p_bstrm, &tmp, 5); + if (!ISDD(tmp)) + { + ALOGI("Unsupported bitstream id"); + return 0; + } + + ddbs_unprj(p_bstrm, &tmp, 3); + ddbs_unprj(p_bstrm, &acmod, 3); + + if ((acmod!= MODE10) && (acmod& 0x1)) + { + ddbs_unprj(p_bstrm, &tmp, 2); + } + if (acmod& 0x4) + { + ddbs_unprj(p_bstrm, &tmp, 2); + } + + if (acmod == MODE20) + { + ddbs_unprj(p_bstrm,&tmp, 2); + } + ddbs_unprj(p_bstrm, &lfeon, 1); + + + numch = chanary[acmod]; + //numch+=lfeon; + ChNumOriginal=numch; + if (0) + { + if (numch >= 3) + numch = 8; + else + numch = 2; + }else{ + numch = 2; + } + ChNum=numch; + //ALOGI("DEBUG:numch=%d sample_rate=%d %p [%s %d]",ChNum,sample_rate,this,__FUNCTION__,__LINE__); + return numch; + +} +int DDP_MediaSource::Get_ChNum_DDP(void *buf)//at least need:40bit(=5 bytes) +{ + + int numch=0; + DDP_BSTRM bstrm={0}; + DDP_BSTRM *p_bstrm=&bstrm; + short tmp=0,acmod,lfeon,strmtyp; + + ddbs_init((short*)buf,0,p_bstrm); + + ddbs_unprj(p_bstrm, &tmp, 16); + if (tmp!= SYNCWRD) + { + ALOGI("Invalid synchronization word"); + return 0; + } + + ddbs_unprj(p_bstrm, &strmtyp, 2); + ddbs_unprj(p_bstrm, &tmp, 3); + ddbs_unprj(p_bstrm, &tmp, 11); + frame_size=tmp+1; + //--------------------------- + if (strmtyp != 0 && strmtyp != 2) + { + return 0; + } + //--------------------------- + ddbs_unprj(p_bstrm, &tmp, 2); + + if (tmp== 0x3) + { + ALOGI("Half sample rate unsupported"); + return 0; + }else{ + if (tmp == 0) sample_rate = 48000; + else if (tmp == 1) sample_rate = 44100; + else if (tmp == 2) sample_rate = 32000; + + ddbs_unprj(p_bstrm, &tmp, 2); + } + + ddbs_unprj(p_bstrm, &acmod, 3); + ddbs_unprj(p_bstrm, &lfeon, 1); + + numch = chanary[acmod]; + //numch+=lfeon; + + ChNumOriginal=numch; + if (0) + { + if (numch >= 3) + numch = 8; + else + numch = 2; + }else{ + numch = 2; + } + ChNum=numch; + //ALOGI("DEBUG:numch=%d sample_rate=%d %p [%s %d]",ChNum,sample_rate,this,__FUNCTION__,__LINE__); + return numch; + +} + + +DDPerr DDP_MediaSource::ddbs_skip( DDP_BSTRM *p_bstrm, DDPshort numbits) +{ + p_bstrm->bitptr += numbits; + while (p_bstrm->bitptr >= BITSPERWRD) + { + p_bstrm->buf++; + p_bstrm->data = *p_bstrm->buf; + p_bstrm->bitptr -= BITSPERWRD; + } + + return 0; +} + + +DDPerr DDP_MediaSource::ddbs_getbsid(DDP_BSTRM *p_inbstrm, DDPshort *p_bsid) +{ + DDP_BSTRM bstrm; + + ddbs_init(p_inbstrm->buf, p_inbstrm->bitptr, &bstrm); + ddbs_skip(&bstrm, BS_BITOFFSET); + ddbs_unprj(&bstrm, p_bsid, 5); + if (!ISDDP(*p_bsid) && !ISDD(*p_bsid)) + { + ALOGI("Unsupported bitstream id"); + } + + return 0; +} + + +int DDP_MediaSource::Get_ChNum_AC3_Frame(void *buf) +{ + DDP_BSTRM bstrm={0}; + DDP_BSTRM *p_bstrm=&bstrm; + DDPshort bsid; + int chnum=0; + uint8_t ptr8[PTR_HEAD_SIZE]; + + memcpy(ptr8,buf,PTR_HEAD_SIZE); + + + //ALOGI("LZG->ptr_head:0x%x 0x%x 0x%x 0x%x 0x%x 0x%x \n", + // ptr8[0],ptr8[1],ptr8[2], ptr8[3],ptr8[4],ptr8[5] ); + if ((ptr8[0] == 0x0b) && (ptr8[1] == 0x77)) + { + int i; + uint8_t tmp; + for (i = 0; i < PTR_HEAD_SIZE; i += 2) + { + tmp=ptr8[i]; + ptr8[i]=ptr8[i+1]; + ptr8[i+1]=tmp; + } + } + + + ddbs_init((short*)ptr8,0,p_bstrm); + ddbs_getbsid(p_bstrm, &bsid); + //ALOGI("LZG->bsid=%d \n", bsid ); + if (ISDDP(bsid)) + { + Get_ChNum_DDP(ptr8); + }else if (ISDD(bsid)){ + Get_ChNum_DD(ptr8); + } + + return chnum; +} + +//##################################################### + +DDP_MediaSource::DDP_MediaSource(void *read_buffer) +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + mStarted=false; + mMeta=new MetaData; + mDataSource=NULL; + mGroup=NULL; + mBytesReaded=0; + mCurrentTimeUs=0; + pStop_ReadBuf_Flag=NULL; + fpread_buffer=(fp_read_buffer)read_buffer; + sample_rate=0; + ChNum=0; + frame_size=0; + bytes_readed_sum_pre=0; + bytes_readed_sum=0; + extractor_cost_bytes = 0; + extractor_cost_bytes_last = 0; + mMeta->setInt32(kKeyChannelCount, 2); + mMeta->setInt32(kKeySampleRate, /*audec->samplerate*/48000); + memset(frame.rawbuf, 0, 6144); + memset(frame_length_his,0,sizeof(frame_length_his)); + frame.len = 0; + ChNumOriginal=0; +} + +DDP_MediaSource::~DDP_MediaSource() +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + if (mStarted) { + stop(); + } +} + +int DDP_MediaSource::GetSampleRate() +{ + return sample_rate; +} +int DDP_MediaSource::GetChNumOriginal() +{ + return ChNumOriginal; + +} +int DDP_MediaSource::GetChNum() +{ + return ChNum; +} + +int* DDP_MediaSource::Get_pStop_ReadBuf_Flag() +{ + return pStop_ReadBuf_Flag; +} + +int DDP_MediaSource::Set_pStop_ReadBuf_Flag(int *pStop) +{ + pStop_ReadBuf_Flag = pStop; + + return 0; +} + +int DDP_MediaSource::SetReadedBytes(int size) +{ + mBytesReaded=size; + return 0; +} + +int DDP_MediaSource::GetReadedBytes() +{ + int bytes_used; +#if 0 + bytes_used=bytes_readed_sum-bytes_readed_sum_pre; + if (bytes_used < 0) + { + ALOGI("[%s]bytes_readed_sum(%lld) < bytes_readed_sum_pre(%lld) \n",__FUNCTION__,bytes_readed_sum,bytes_readed_sum_pre); + bytes_used=0; + } + bytes_readed_sum_pre=bytes_readed_sum; +#endif + bytes_used = extractor_cost_bytes; + bytes_used -= extractor_cost_bytes_last; + extractor_cost_bytes_last += bytes_used; + return bytes_used; +} + +sp DDP_MediaSource::getFormat() { + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + return mMeta; +} + +status_t DDP_MediaSource::start(MetaData *params) +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + mGroup = new MediaBufferGroup; + mGroup->add_buffer(new MediaBuffer(4096)); + mStarted = true; + return OK; +} + +status_t DDP_MediaSource::stop() +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + delete mGroup; + mGroup = NULL; + mStarted = false; + return OK; +} + + +static int calc_dd_frame_size(int code) +{ + static const int FrameSize32K[] = { 96, 96, 120, 120, 144, 144, 168, 168, 192, 192, 240, 240, 288, 288, 336, 336, 384, 384, 480, 480, 576, 576, 672, 672, 768, 768, 960, 960, 1152, 1152, 1344, 1344, 1536, 1536, 1728, 1728, 1920, 1920 }; + static const int FrameSize44K[] = { 69, 70, 87, 88, 104, 105, 121, 122, 139, 140, 174, 175, 208, 209, 243, 244, 278, 279, 348, 349, 417, 418, 487, 488, 557, 558, 696, 697, 835, 836, 975, 976, 114, 1115, 1253, 1254, 1393, 1394 }; + static const int FrameSize48K[] = { 64, 64, 80, 80, 96, 96, 112, 112, 128, 128, 160, 160, 192, 192, 224, 224, 256, 256, 320, 320, 384, 384, 448, 448, 512, 512, 640, 640, 768, 768, 896, 896, 1024, 1024, 1152, 1152, 1280, 1280 }; + + int fscod = (code >> 6) & 0x3; + int frmsizcod = code & 0x3f; + + if (fscod == 0) return 2 * FrameSize48K[frmsizcod]; + if (fscod == 1) return 2 * FrameSize44K[frmsizcod]; + if (fscod == 2) return 2 * FrameSize32K[frmsizcod]; + + return 0; +} +int DDP_MediaSource::get_frame_size(void) +{ + int i; + unsigned sum = 0; + unsigned valid_his_num = 0; + for (i = 0; i < FRAME_RECORD_NUM; i++) { + if (frame_length_his[i] > 0) { + valid_his_num ++; + sum += frame_length_his[i]; + } + } + + if (valid_his_num == 0) { + return 768; + } + return sum / valid_his_num; +} +void DDP_MediaSource::store_frame_size(int lastFrameLen) +{ + /* record the frame length into the history buffer */ + int i = 0; + for (i = 0; i < FRAME_RECORD_NUM - 1; i++) { + frame_length_his[i] = frame_length_his[i + 1]; + } + frame_length_his[FRAME_RECORD_NUM - 1] = lastFrameLen; +} +int DDP_MediaSource::MediaSourceRead_buffer(unsigned char *buffer,int size) +{ + int readcnt=0; + int readsum=0; + if(fpread_buffer!=NULL) + { + int sleep_time=0; + while ((readsum < size) && (*pStop_ReadBuf_Flag == 0)) + { + readcnt=fpread_buffer(buffer+readsum,size-readsum); + if (readcnt < (size - readsum)) + { + sleep_time++; + usleep(10000); + } + readsum+=readcnt; + if ((sleep_time > 0) && (sleep_time % 100 == 0)) + { //wait for max 10s to get audio data + ALOGE("[%s] Can't get data from audiobuffer,wait for %d ms\n ", __FUNCTION__,sleep_time*10); + } + } + bytes_readed_sum +=readsum; + if (*pStop_ReadBuf_Flag == 1) + { + ALOGI("[%s] End of Stream: *pStop_ReadBuf_Flag==1\n ", __FUNCTION__); + } + return readsum; + }else{ + ALOGE("[%s]ERR: fpread_buffer=NULL\n ", __FUNCTION__); + return 0; + } +} + +status_t DDP_MediaSource::read(MediaBuffer **out, const ReadOptions *options) +{ + *out = NULL; + int readdiff = 0; + int read_delta = 0; + int read_size =0; + while(1){ + frame_size = 0; + read_size = get_frame_size()+PTR_HEAD_SIZE+read_delta; + if (read_size > frame.len) + read_size -= frame.len; + /*check if the read_size exceed buffer size*/ + if ((frame.len+read_size) > 6144) { + read_size = 6144 - frame.len; + } + frame.len += MediaSourceRead_buffer(frame.rawbuf + frame.len, read_size/* - frame.len*/); + if(frame.len < PTR_HEAD_SIZE){ + ALOGI("WARNING: fpread_buffer read failed [%s %d]!\n",__FUNCTION__,__LINE__); + return ERROR_END_OF_STREAM; + } + + if (*pStop_ReadBuf_Flag==1){ + ALOGI("Stop_ReadBuf_Flag==1 stop read_buf [%s %d]",__FUNCTION__,__LINE__); + return ERROR_END_OF_STREAM; + } + + unsigned short head; + head = frame.rawbuf[0] << 8 | frame.rawbuf[1]; + + if(head == 0x0b77 || head == 0x770b){ + Get_ChNum_AC3_Frame(frame.rawbuf); + frame_size=frame_size*2; + + if ((frame_size == 0) || (frame_size < PTR_HEAD_SIZE) || (frame_size > 4096)) + { + ALOGI("frame_size %d error\n",frame_size); + memcpy((char*)(frame.rawbuf),(char *)(frame.rawbuf+1), frame.len-1); + frame.len -= 1; + readdiff ++; + continue; + } + /* if framesize bigger than current frame size + syncword size.read more */ + if (frame_size > (frame.len - 2)) { + ALOGI("frame size %d exceed cached size %d,read more\n",frame_size,frame.len); + read_delta = frame_size - (frame.len -2); + continue; + } + head = (frame.rawbuf[frame_size] << 8) | frame.rawbuf[frame_size + 1]; + + if (head == 0x0b77 || head == 0x770b) { + ALOGI("next frame is ok,frame size %d\n",frame_size); + break; + }else{ + ALOGI("=====next frame sync word error %x,resync\n",head); + memmove((char*)(frame.rawbuf),(char *)(frame.rawbuf+1), frame.len-1); + frame.len -= 1; + readdiff ++; + } + }else{ + memmove((char*)(frame.rawbuf),(char *)(frame.rawbuf+1), frame.len-1); + frame.len -= 1; + readdiff ++; + } + } + read_delta = 0; + MediaBuffer *buffer; + status_t err = mGroup->acquire_buffer(&buffer); + + if (err != OK) { + return err; + } + + memcpy((unsigned char*)(buffer->data()), (unsigned char*)frame.rawbuf, frame_size); + memmove((unsigned char*)frame.rawbuf, (unsigned char*)(frame.rawbuf+frame_size), frame.len - frame_size); + frame.len -= frame_size; + buffer->set_range(0, frame_size); + buffer->meta_data()->setInt64(kKeyTime, mCurrentTimeUs); + buffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); + + *out = buffer; + if (readdiff > 0) + { + extractor_cost_bytes += readdiff; + } + store_frame_size(frame_size); + return OK; +} + +} // namespace android + diff --git a/amadec/omx_audio/DDP_mediasource.h b/amadec/omx_audio/DDP_mediasource.h new file mode 100644 index 0000000..b5d0160 --- a/dev/null +++ b/amadec/omx_audio/DDP_mediasource.h @@ -0,0 +1,141 @@ +#ifndef MEDIA_DDPMEDIASOURCE_H_ +#define MEDIA_DDPMEDIASOURCE_H_ + +#include "MediaSource.h" +#include "DataSource.h" +#include "MediaBufferGroup.h" +#include "MetaData.h" +#include "audio_mediasource.h" + +namespace android { + +#define DDPshort short +#define DDPerr short +#define DDPushort unsigned short +#define BYTESPERWRD 2 +#define BITSPERWRD (BYTESPERWRD*8) +#define SYNCWRD ((DDPshort)0x0b77) +#define MAXFSCOD 3 +#define MAXDDDATARATE 38 +#define BS_STD 8 +#define ISDD(bsid) ((bsid) <= BS_STD) +#define MAXCHANCFGS 8 +#define BS_AXE 16 +#define ISDDP(bsid) ((bsid) <= BS_AXE && (bsid) > 10) +#define BS_BITOFFSET 40 +#define PTR_HEAD_SIZE 7 //20 +#define FRAME_RECORD_NUM 40 + typedef struct { + DDPshort *buf; + DDPshort bitptr; + DDPshort data; + } DDP_BSTRM; + + typedef struct { + unsigned char rawbuf[6144]; + int len; + } BUF_T; + + const DDPshort chanary[MAXCHANCFGS] = { 2, 1, 2, 3, 3, 4, 4, 5 }; + enum { MODE11 = 0, MODE_RSVD = 0, MODE10, MODE20, + MODE30, MODE21, MODE31, MODE22, MODE32 + }; + + const DDPushort msktab[] = { + 0x0000, 0x8000, 0xc000, 0xe000, + 0xf000, 0xf800, 0xfc00, 0xfe00, + 0xff00, 0xff80, 0xffc0, 0xffe0, + 0xfff0, 0xfff8, 0xfffc, 0xfffe, 0xffff + }; + + const DDPshort frmsizetab[MAXFSCOD][MAXDDDATARATE] = { + /* 48kHz */ + { + 64, 64, 80, 80, 96, 96, 112, 112, + 128, 128, 160, 160, 192, 192, 224, 224, + 256, 256, 320, 320, 384, 384, 448, 448, + 512, 512, 640, 640, 768, 768, 896, 896, + 1024, 1024, 1152, 1152, 1280, 1280}, + /* 44.1kHz */ + { + 69, 70, 87, 88, 104, 105, 121, 122, + 139, 140, 174, 175, 208, 209, 243, 244, + 278, 279, 348, 349, 417, 418, 487, 488, + 557, 558, 696, 697, 835, 836, 975, 976, + 1114, 1115, 1253, 1254, 1393, 1394}, + /* 32kHz */ + { + 96, 96, 120, 120, 144, 144, 168, 168, + 192, 192, 240, 240, 288, 288, 336, 336, + 384, 384, 480, 480, 576, 576, 672, 672, + 768, 768, 960, 960, 1152, 1152, 1344, 1344, + 1536, 1536, 1728, 1728, 1920, 1920} + }; + + typedef int (*fp_read_buffer) (unsigned char *, int); + + class DDP_MediaSource:public AudioMediaSource { + public: + DDP_MediaSource(void *read_buffer); + + status_t start(MetaData * params = NULL); + status_t stop(); + sp < MetaData > getFormat(); + status_t read(MediaBuffer ** buffer, + const ReadOptions * options = NULL); + + int GetReadedBytes(); + int GetSampleRate(); + int GetChNum(); + virtual int GetChNumOriginal(); + int *Get_pStop_ReadBuf_Flag(); + int Set_pStop_ReadBuf_Flag(int *pStop); + + int SetReadedBytes(int size); + int MediaSourceRead_buffer(unsigned char *buffer, int size); + + fp_read_buffer fpread_buffer; + + //---------------------------------------- + DDPerr ddbs_init(DDPshort * buf, DDPshort bitptr, + DDP_BSTRM * p_bstrm); + DDPerr ddbs_unprj(DDP_BSTRM * p_bstrm, DDPshort * p_data, + DDPshort numbits); + int Get_ChNum_DD(void *buf); + int Get_ChNum_DDP(void *buf); + DDPerr ddbs_skip(DDP_BSTRM * p_bstrm, DDPshort numbits); + DDPerr ddbs_getbsid(DDP_BSTRM * p_inbstrm, DDPshort * p_bsid); + int Get_ChNum_AC3_Frame(void *buf); + int get_frame_size(void); + void store_frame_size(int lastFrameLen); + //--------------------------------------- + + int sample_rate; + int ChNum; + int frame_size; + BUF_T frame; + int64_t bytes_readed_sum_pre; + int64_t bytes_readed_sum; + int extractor_cost_bytes; + int extractor_cost_bytes_last; + int *pStop_ReadBuf_Flag; + int ChNumOriginal; + int frame_length_his[FRAME_RECORD_NUM]; +protected: + virtual ~ DDP_MediaSource(); + + private: + bool mStarted; + sp < DataSource > mDataSource; + sp < MetaData > mMeta; + MediaBufferGroup *mGroup; + int64_t mCurrentTimeUs; + int mBytesReaded; + + DDP_MediaSource(const DDP_MediaSource &); + DDP_MediaSource & operator=(const DDP_MediaSource &); + }; + +} + +#endif diff --git a/amadec/omx_audio/DTSHD_mediasource.cpp b/amadec/omx_audio/DTSHD_mediasource.cpp new file mode 100644 index 0000000..84cb1b5 --- a/dev/null +++ b/amadec/omx_audio/DTSHD_mediasource.cpp @@ -0,0 +1,316 @@ +#include +#include +#include +#include +#include +#include "DTSHD_mediasource.h" + +extern "C" int read_buffer(unsigned char *buffer,int size); + +#define LOG_TAG "DTSHD_Medissource" +#define ALOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define ALOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__) + + +namespace android { +static int AML_Match_DTS_SyncWord(uint32_t ui32Temp0, uint32_t ui32Temp1) +{ + /* 16-bit bit core stream*/ + if( ui32Temp0 == AML_DCA_SW_CORE_16 || ui32Temp0 == AML_DCA_SW_CORE_14 || + ui32Temp0 == AML_DCA_SW_CORE_16M || ui32Temp0 == AML_DCA_SW_CORE_14M || + ui32Temp0 == AML_DCA_SW_SUBSTREAM|| ui32Temp0 ==AML_DCA_SW_SUBSTREAM_M) + { + return 1; + } + + if ((ui32Temp0 & 0xffffff00) == (AML_DCA_SW_CORE_24 & 0xffffff00) && + ((ui32Temp1 >> 16) & 0xFF)== (AML_DCA_SW_CORE_24 & 0xFF)) + { + return 1; + } + return 0; +} +static int AML_DCA_Estimate_Frame_size( unsigned char *buf,int size,int *syncpos) +{ + int i32Index=0; + int result=0; + unsigned int ui32Sword0=0,ui32Sword1=0; + unsigned int ui32Sword0_save=0; + int first_sync_Detected=0,first_sync_pos=-1; + int frame_size=0; + *syncpos=0; + for (i32Index=0; i32Index+7setInt32(kKeyChannelCount,/* audec->channels > 0?audec->channels:*/2); + mMeta->setInt32(kKeySampleRate, /*audec->samplerate> 0?audec->samplerate:*/48000); +} + + +Dtshd_MediaSource::~Dtshd_MediaSource() +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + if (FirFraBuf) + free(FirFraBuf); + if (mStarted) { + stop(); + } +} + + +int Dtshd_MediaSource::GetSampleRate() +{ + return sample_rate; +} + +int Dtshd_MediaSource::GetChNum() +{ + return ChNum; +} +int Dtshd_MediaSource::SetSampleRate(int samplerate) +{ + sample_rate = samplerate; + return OK ; +} + +int* Dtshd_MediaSource::Get_pStop_ReadBuf_Flag() +{ + return pStop_ReadBuf_Flag; +} + +int Dtshd_MediaSource::Set_pStop_ReadBuf_Flag(int *pStop) +{ + pStop_ReadBuf_Flag = pStop; + return 0; +} + +int Dtshd_MediaSource::GetReadedBytes() +{ + return frame_size; +} + +sp Dtshd_MediaSource::getFormat() +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + return mMeta; +} + +status_t Dtshd_MediaSource::start(MetaData *params) +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + mGroup = new MediaBufferGroup; + mGroup->add_buffer(new MediaBuffer(AML_DCA_INPUT_DATA_LEN_PTIME)); + mStarted = true; + return OK; +} + +status_t Dtshd_MediaSource::stop() +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + delete mGroup; + mGroup = NULL; + mStarted = false; + return OK; +} + + +int Dtshd_MediaSource::MediaSourceRead_buffer(unsigned char *buffer,int size) +{ + int readcnt=0; + int readsum=0; + if (fpread_buffer != NULL) + { + int sleep_time=0; + while ((readsum < size)&& (*pStop_ReadBuf_Flag == 0)) + { + readcnt=fpread_buffer(buffer+readsum,size-readsum); + if (readcnt < (size-readsum)) + { + sleep_time++; + usleep(10000); + } + readsum+=readcnt; + if ((sleep_time > 0) && (sleep_time%100 == 0) ) + { //wait for max 10s to get audio data + ALOGE("[%s] Can't get data from audiobuffer,wait for %d ms\n ", __FUNCTION__,sleep_time*10); + } + } + bytes_readed_sum +=readsum; + if (*pStop_ReadBuf_Flag == 1) + { + ALOGI("[%s] End of Stream: *pStop_ReadBuf_Flag==1\n ", __FUNCTION__); + } + return readsum; + }else{ + ALOGE("[%s]ERR: fpread_buffer=NULL\n ", __FUNCTION__); + return 0; + } +} + + +status_t Dtshd_MediaSource::read(MediaBuffer **out, const ReadOptions *options) +{ + *out = NULL; + int read_bytes_per_time; + MediaBuffer *buffer; + int byte_readed=0; + status_t err; + if (!FrameSizeDetectFlag) + { + FirFraBuf=(unsigned char*)malloc(AML_DCA_INPUT_DATA_LEN_PTIME); + if (FirFraBuf == NULL) + { + ALOGE("[%s %d] mallco memory for failed!\n",__FUNCTION__,__LINE__); + return ERROR_END_OF_STREAM; + } + FirFraBuf_Len=AML_DCA_INPUT_DATA_LEN_PTIME; + if (MediaSourceRead_buffer(FirFraBuf,FirFraBuf_Len) != FirFraBuf_Len) + { + ALOGE("[%s %d] Stream Lengh <%d> Err!\n",__FUNCTION__,__LINE__,FirFraBuf_Len); + return ERROR_END_OF_STREAM; + } + + frame_size= AML_DCA_Estimate_Frame_size(FirFraBuf,FirFraBuf_Len,&FirFraBuf_Offset); + if (frame_size == 0) + { + ALOGE("[%s %d] Detect Frame_size Err!\n",__FUNCTION__,__LINE__); + return ERROR_END_OF_STREAM; + } + FrameSizeDetectFlag=1; + } + + err = mGroup->acquire_buffer(&buffer); + if (err != OK) { + ALOGE("[%s %d] mGroup->acquire_buffer ERR!\n",__FUNCTION__,__LINE__); + return err; + } + + if (FrameNumReaded == 0 && FirFraBuf_Offset > 0) + { + int pre_suspend_bytes=0; + int redunt=FirFraBuf_Offset%4; + if(redunt) + pre_suspend_bytes=4-redunt; + unsigned char zarray[32]={0}; + memcpy((unsigned char*)(buffer->data()),FirFraBuf,FirFraBuf_Offset); + memcpy((unsigned char*)(buffer->data())+FirFraBuf_Offset, zarray, pre_suspend_bytes); + memcpy((unsigned char*)(buffer->data())+FirFraBuf_Offset+pre_suspend_bytes,FirFraBuf+FirFraBuf_Offset, frame_size); + memcpy(zarray,FirFraBuf,32); + ALOGI("[%s %d] pre_suspend_bytes/%d %s \n",__FUNCTION__,__LINE__,pre_suspend_bytes,zarray); + + buffer->set_range(0, pre_suspend_bytes+FirFraBuf_Offset+frame_size); + buffer->meta_data()->setInt64(kKeyTime, mCurrentTimeUs); + buffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); + *out = buffer; + FirFraBuf_Offset+=frame_size; + FrameNumReaded++; + return OK; + } + + if (FirFraBuf_Offset < FirFraBuf_Len) + { + if (FirFraBuf_Len-FirFraBuf_Offset >= frame_size) + { + byte_readed=frame_size; + }else{ + byte_readed=(FirFraBuf_Len-FirFraBuf_Offset); + } + memcpy((unsigned char*)(buffer->data()),FirFraBuf+FirFraBuf_Offset,byte_readed); + FirFraBuf_Offset+=byte_readed; + if (MediaSourceRead_buffer((unsigned char*)(buffer->data())+byte_readed,frame_size-byte_readed) != (frame_size-byte_readed)) + { + buffer->release(); + buffer = NULL; + return ERROR_END_OF_STREAM; + } + + buffer->set_range(0,frame_size); + }else{ + //for dtshd coceless high samplerate stream ,framesize got maybe inaccurate and causes frozen issues + //some coceless stream framesize about 100 bytes and need push scores of frames to decoder and paser out + //one real dts frame,so change the framesize to 10k. + if (sample_rate == 96000) + frame_size = AML_DCA_INPUT_DATA_LEN_PTIME; + if (MediaSourceRead_buffer((unsigned char*)(buffer->data()), frame_size) != frame_size) + { + buffer->release(); + buffer = NULL; + return ERROR_END_OF_STREAM; + } + + buffer->set_range(0,frame_size); + } + + buffer->meta_data()->setInt64(kKeyTime, mCurrentTimeUs); + buffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); + *out = buffer; + FrameNumReaded++; + return OK; +} + + +} // namespace android + + diff --git a/amadec/omx_audio/DTSHD_mediasource.h b/amadec/omx_audio/DTSHD_mediasource.h new file mode 100644 index 0000000..f9f74f9 --- a/dev/null +++ b/amadec/omx_audio/DTSHD_mediasource.h @@ -0,0 +1,74 @@ +#ifndef MEDIA_DTSHD_MEDIASOURCE_H_ +#define MEDIA_DTSHD_MEDIASOURCE_H_ + +#include "MediaSource.h" +#include "DataSource.h" +#include "MediaBufferGroup.h" +#include "MetaData.h" +#include "audio_mediasource.h" + +namespace android +{ +//for dtsexpress stream,sometimes vbuf is full and abuf has not 40k and cause block about 5s. +#define AML_DCA_INPUT_DATA_LEN_PTIME (10*1024) +#define AML_DCA_OMX_DECODER_NUMBUF 2 +#define AML_DCA_SW_CORE_16M 0x7ffe8001 +#define AML_DCA_SW_CORE_14M 0x1fffe800 +#define AML_DCA_SW_CORE_24M 0xfe80007f +#define AML_DCA_SW_CORE_16 0xfe7f0180 +#define AML_DCA_SW_CORE_14 0xff1f00e8 +#define AML_DCA_SW_CORE_24 0x80fe7f01 +#define AML_DCA_SW_SUBSTREAM_M 0x64582025 +#define AML_DCA_SW_SUBSTREAM 0x58642520 + +typedef int (*fp_read_buffer)(unsigned char *, int); +class Dtshd_MediaSource : public AudioMediaSource +{ +public: + Dtshd_MediaSource(void *read_buffer); + + status_t start(MetaData *params = NULL); + status_t stop(); + sp getFormat(); + status_t read(MediaBuffer **buffer, const ReadOptions *options = NULL); + + int GetReadedBytes(); + int GetSampleRate(); + virtual int SetSampleRate(int samplerate); + int GetChNum(); + int* Get_pStop_ReadBuf_Flag(); + int Set_pStop_ReadBuf_Flag(int *pStop); + int MediaSourceRead_buffer(unsigned char *buffer, int size); + + fp_read_buffer fpread_buffer; + int sample_rate; + int ChNum; + int frame_size; + int FrameSizeDetectFlag; + unsigned char * FirFraBuf; + int FirFraBuf_Len; + int FirFraBuf_Offset; + int FrameNumReaded; + int *pStop_ReadBuf_Flag; + int64_t bytes_readed_sum_pre; + int64_t bytes_readed_sum; +protected: + virtual ~Dtshd_MediaSource(); + +private: + bool mStarted; + sp mDataSource; + sp mMeta; + MediaBufferGroup *mGroup; + int64_t mCurrentTimeUs; + int mBytesReaded; + int block_align; + Dtshd_MediaSource(const Dtshd_MediaSource &); + Dtshd_MediaSource &operator=(const Dtshd_MediaSource &); +}; + + +} + +#endif + diff --git a/amadec/omx_audio/MP3_mediasource.cpp b/amadec/omx_audio/MP3_mediasource.cpp new file mode 100755 index 0000000..adf2799 --- a/dev/null +++ b/amadec/omx_audio/MP3_mediasource.cpp @@ -0,0 +1,579 @@ +#include +#include +#include +#include +#include +#include "MP3_mediasource.h" + +extern "C" int read_buffer(unsigned char *buffer,int size); + +#define LOG_TAG "MP3_Mediasource" +#define ALOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define ALOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__) + +#define kMaxReadBytes 4096 +#define MaxFrameSize 4096 +static const uint32_t kMask = 0xfffe0c00; + +namespace android { + +uint32_t U32_AT(const uint8_t *ptr) +{ + return ptr[0] << 24 | ptr[1] << 16 | ptr[2] << 8 | ptr[3]; +} +inline bool MP3_MediaSource::GetMPEGAudioFrameSize(uint32_t header, int *frame_size, + int *out_sampling_rate, int *out_channels, int *out_bitrate, int *out_num_samples) { + *frame_size = 0; + + if (out_sampling_rate) { + *out_sampling_rate = 0; + } + + if (out_channels) { + *out_channels = 0; + } + + if (out_bitrate) { + *out_bitrate = 0; + } + + if (out_num_samples) { + *out_num_samples = 1152; + } + + if ((header & 0xffe00000) != 0xffe00000) { + return false; + } + + unsigned version = (header >> 19) & 3; + + if (version == 0x01) { + return false; + } + + unsigned layer = (header >> 17) & 3; + + if (layer == 0x00) { + return false; + } + + unsigned protection = (header >> 16) & 1; + + unsigned bitrate_index = (header >> 12) & 0x0f; + + if (bitrate_index == 0 || bitrate_index == 0x0f) { + // Disallow "free" bitrate. + return false; + } + + unsigned sampling_rate_index = (header >> 10) & 3; + + if (sampling_rate_index == 3) { + return false; + } + + static const int kSamplingRateV1[] = { 44100, 48000, 32000 }; + int sampling_rate = kSamplingRateV1[sampling_rate_index]; + if (version == 2 /* V2 */) { + sampling_rate /= 2; + } else if (version == 0 /* V2.5 */) { + sampling_rate /= 4; + } + + unsigned padding = (header >> 9) & 1; + + if (layer == 3) { + // layer I + + static const int kBitrateV1[] = { + 32, 64, 96, 128, 160, 192, 224, 256, + 288, 320, 352, 384, 416, 448 + }; + + static const int kBitrateV2[] = { + 32, 48, 56, 64, 80, 96, 112, 128, + 144, 160, 176, 192, 224, 256 + }; + + int bitrate = + (version == 3 /* V1 */) + ? kBitrateV1[bitrate_index - 1] + : kBitrateV2[bitrate_index - 1]; + + if (out_bitrate) { + *out_bitrate = bitrate; + } + + *frame_size = (12000 * bitrate / sampling_rate + padding) * 4; + + if (out_num_samples) { + *out_num_samples = 384; + } + } else { + // layer II or III + + static const int kBitrateV1L2[] = { + 32, 48, 56, 64, 80, 96, 112, 128, + 160, 192, 224, 256, 320, 384 + }; + + static const int kBitrateV1L3[] = { + 32, 40, 48, 56, 64, 80, 96, 112, + 128, 160, 192, 224, 256, 320 + }; + + static const int kBitrateV2[] = { + 8, 16, 24, 32, 40, 48, 56, 64, + 80, 96, 112, 128, 144, 160 + }; + + int bitrate; + if (version == 3 /* V1 */) { + bitrate = (layer == 2 /* L2 */) + ? kBitrateV1L2[bitrate_index - 1] + : kBitrateV1L3[bitrate_index - 1]; + + if (out_num_samples) { + *out_num_samples = 1152; + } + } else { + // V2 (or 2.5) + + bitrate = kBitrateV2[bitrate_index - 1]; + if (out_num_samples) { + *out_num_samples = (layer == 1 /* L3 */) ? 576 : 1152; + } + } + + if (out_bitrate) { + *out_bitrate = bitrate; + } + + if (version == 3 /* V1 */) { + *frame_size = 144000 * bitrate / sampling_rate + padding; + } else { + // V2 or V2.5 + size_t tmp = (layer == 1 /* L3 */) ? 72000 : 144000; + *frame_size = tmp * bitrate / sampling_rate + padding; + } + } + + if (out_sampling_rate) { + *out_sampling_rate = sampling_rate; + } + + if (out_channels) { + int channel_mode = (header >> 6) & 3; + + *out_channels = (channel_mode == 3) ? 1 : 2; + } + + return true; +} +int MP3_MediaSource::MediaSourceRead_buffer(unsigned char *buffer,int size) +{ + int readcnt=0; + int readsum=0; + + if(fpread_buffer!=NULL){ + int sleep_time=0; + while((readsum0) && (sleep_time%100==0)){ //wait for max 10s to get audio data + ALOGE("[%s] Can't get data from audiobuffer,wait for %d ms\n ", __FUNCTION__,sleep_time*10); + } + } + bytes_readed_sum +=readsum; + if(*pStop_ReadBuf_Flag==1) + { + ALOGI("[%s] End of Stream: *pStop_ReadBuf_Flag==1\n ", __FUNCTION__); + } + return readsum; + }else{ + ALOGE("[%s]ERR: fpread_buffer=NULL\n ", __FUNCTION__); + return 0; + } +} + +unsigned int MP3_MediaSource::Find_header(unsigned char *buffer, int *frame_size, + int *out_sampling_rate, int *out_channels,int *out_bitrate, int *out_num_samples) +{ + unsigned int readedbytes = 0; + unsigned char header_buffer[5]; + + readedbytes = MediaSourceRead_buffer(header_buffer,4); + + if (readedbytes < 4) + { + ALOGI("Read MP3 header is fail [%s %d]",__FUNCTION__,__LINE__); + return 0; + } + + while(1){ + uint32_t header = U32_AT((const uint8_t *)header_buffer); + if(GetMPEGAudioFrameSize(header, frame_size, out_sampling_rate,out_channels, + out_bitrate, out_num_samples)){ + break; + } + MediaSourceRead_buffer(&header_buffer[4],1); + memmove(&header_buffer[0],&header_buffer[1],4); + readedbytes++; + if (*pStop_ReadBuf_Flag==1){ + ALOGI("Stop_ReadBuf_Flag==1 stop read_buf [%s %d]",__FUNCTION__,__LINE__); + return 0; + } + } + memcpy(&buffer[0],&header_buffer[0],4); + return readedbytes; +} + +bool MP3_MediaSource::refind_header(unsigned char *buffer, int *frame_size, unsigned char *header_buffer, + int offset, int *readbytes) +{ + int readedbytes; + unsigned char *pos_buffer = buffer; + + memcpy(&header_buffer[0],pos_buffer,4); + pos_buffer += 4; + + for(readedbytes = 4; readedbytes < offset; readedbytes++){ + uint32_t header = U32_AT((const uint8_t *)header_buffer); + + if(GetMPEGAudioFrameSize(header, frame_size, NULL,NULL,NULL, NULL)){ + *readbytes = readedbytes; + return true; + } + memcpy(&header_buffer[4],pos_buffer++,1); + memmove(&header_buffer[0],&header_buffer[1],4); + if (*pStop_ReadBuf_Flag==1){ + ALOGI("Stop_ReadBuf_Flag==1 stop read_buf [%s %d]",__FUNCTION__,__LINE__); + return false; + } + } + return false; +} + + +unsigned int MP3_MediaSource::Resync(uint32_t pos) +{ + unsigned char header_buffer[10]; + uint32_t first_header = 0; + uint32_t test_header = 0; + int offset = 0; + int readbytes = 0; + uint32_t counter = 0; + int framesize = 0; + uint32_t position = pos; + uint8_t *buffer; + int left_bytes = 0; + ResyncOccurFlag=2; + SyncWordPosArray[0] = bytes_readed_sum; +BeginResync: + + ALOGI("Resync start!\n"); + left_bytes = 0; + buffer = buf; + offset = 0; + Resync_framesize[0] = 0; + Resync_framesize[1] = 0; + Resync_framesize[2] = 0; + + if(position == 0){ + readbytes = Find_header(header_buffer,&framesize,NULL,NULL,NULL,NULL); + first_header = U32_AT((const uint8_t *)header_buffer); + memcpy(buf,&header_buffer[0],4); + Resync_framesize[0] = framesize; + }else{ + Resync_framesize[0] = framesize = frame_size; + } + SyncWordPosArray[1] = bytes_readed_sum-4;//first syncword pos: + first_header = U32_AT((const uint8_t *)header_buffer); + position = 0; + + if(MediaSourceRead_buffer(buf+4,framesize-4) != (framesize-4)){ + ALOGE("Read MP3 data is fail [%s %d]",__FUNCTION__,__LINE__); + return ERROR_END_OF_STREAM; + } + offset += framesize; + Resynced_flag = 1; + + //ALOGI("first offset = [%d]\n",offset); + + do{ + readbytes = MediaSourceRead_buffer(header_buffer,4); + memcpy(buffer+offset,&header_buffer[0],4); + offset += 4; + test_header = U32_AT((const uint8_t *)header_buffer); + +Compare: + if(!GetMPEGAudioFrameSize(test_header,&framesize,NULL,NULL,NULL,NULL) || + (test_header & kMask != first_header & kMask)) + { + if(refind_header(buffer+4, &framesize, &header_buffer[0],offset-4,&readbytes) == false) + { + goto BeginResync; //can't find first header in loaded data + }else{ + first_header = U32_AT((const uint8_t *)header_buffer); //reset the first header + Resynced_flag = 1; + Resync_framesize[0] = framesize; + Resync_framesize[1] = 0; + offset -= readbytes; + memmove(buffer,buffer+readbytes,offset); + if(framesize > offset){ + readbytes = MediaSourceRead_buffer(buffer+offset,framesize - offset); + offset = framesize; + continue; + }else{ + test_header = U32_AT((const uint8_t *)(buffer+framesize)); + } goto Compare; + } + }else{ + Resynced_flag ++; + SyncWordPosArray[Resynced_flag] = bytes_readed_sum-4;//first syncword pos: + if(Resynced_flag > 3){ + ALOGI("Resynced out![%s %d]",__FUNCTION__,__LINE__); + Resynced_flag = 3; + break; + } + + left_bytes = offset - 4 - Resync_framesize[0] - Resync_framesize[1]; + Resync_framesize[Resynced_flag-1] = framesize; + + if(left_bytes == 0){ + readbytes = MediaSourceRead_buffer(buffer+offset,framesize - 4); + offset += (framesize - 4); + }else if((left_bytes < framesize) && (left_bytes > 0)){ + readbytes = MediaSourceRead_buffer(buffer+offset,framesize - left_bytes - 4); + offset += (framesize - left_bytes - 4); + }else if(left_bytes > framesize){ + test_header = U32_AT((const uint8_t *)(buffer+framesize+Resync_framesize[Resynced_flag-2])); + goto Compare; + }else{ + ALOGE("offset [%d] is invalid!left_bytes [%d] framesize [%d] [%s %d]", + offset,left_bytes,framesize,__FUNCTION__,__LINE__); + } + } + } while (Resynced_flag != 3); + ALOGI("SyncWordPosArray:%lld/ %lld/ %lld/ %lld/ %lld", + SyncWordPosArray[0],SyncWordPosArray[1],SyncWordPosArray[2],SyncWordPosArray[3],SyncWordPosArray[4]); + Resync_pos = 0; + return first_header; +} + +int MP3_MediaSource::set_MP3_MetaData(aml_audio_dec_t *audec) +{ + mMeta->setInt32(kKeyChannelCount, audec->channels); + ChNum = audec->channels; + mMeta->setInt32(kKeySampleRate, audec->samplerate); + sample_rate = audec->samplerate; + + ALOGI("channel_number = [%d], samplerate = [%d]\n",ChNum,sample_rate); + + return 0; +} + + +//------------------------------------------------------------------------- +MP3_MediaSource::MP3_MediaSource(void *read_buffer, aml_audio_dec_t *audec, int *exit) +{ + ALOGI("[%s] in line (%d) \n",__FUNCTION__,__LINE__); + mStarted=false; + mMeta=new MetaData; + mDataSource=NULL; + mGroup=NULL; + mCurrentTimeUs=0; + pStop_ReadBuf_Flag=exit; + fpread_buffer=(fp_read_buffer)read_buffer; + sample_rate=0; + ChNum=0; + frame_size=0; + bitrate = 0; + num_samples = 0; + Resynced_flag = 0; + buf = NULL; + mFixedHeader = 0; + start_flag = 1; + + set_MP3_MetaData(audec); + buf=(uint8_t *) malloc (sizeof(uint8_t)*kMaxReadBytes); + ResyncOccurFlag=0; + memset(SyncWordPosArray,0,sizeof(int64_t)*5); + if(buf == NULL){ + ALOGE("Malloc buffer is fail! [%s] [%d]\n",__FUNCTION__,__LINE__); + } + +} + +MP3_MediaSource::~MP3_MediaSource() +{ + ALOGI("[%s] in line (%d) \n",__FUNCTION__,__LINE__); + + free( buf ); + buf = NULL; + + if (mStarted) + stop(); +} +int MP3_MediaSource::GetSampleRate() +{ + return sample_rate; +} + +int MP3_MediaSource::GetChNum() +{ + return ChNum; +} + +int* MP3_MediaSource::Get_pStop_ReadBuf_Flag() +{ + return pStop_ReadBuf_Flag; +} + +int MP3_MediaSource::Set_pStop_ReadBuf_Flag(int *pStop) +{ + pStop_ReadBuf_Flag = pStop; + return 0; +} + +int MP3_MediaSource::GetReadedBytes() +{ int bytes_used = 0; + + if(ResyncOccurFlag){ + if(ResyncOccurFlag==2){ + bytes_used=SyncWordPosArray[ResyncOccurFlag]-SyncWordPosArray[0]; + }else{ + bytes_used=SyncWordPosArray[ResyncOccurFlag]-SyncWordPosArray[ResyncOccurFlag-1]; + } + ResyncOccurFlag++; + if(ResyncOccurFlag==5) + ResyncOccurFlag=0; + }else{ + bytes_used=frame_size;//bytes_readed_sum-bytes_readed_sum_pre; + } + if(bytes_used<0) + { + ALOGI("[%s]WARING: bytes_readed_sum(%lld) < bytes_readed_sum_pre(%lld) \n",__FUNCTION__, + bytes_readed_sum,bytes_readed_sum_pre); + bytes_used=0; + } + bytes_readed_sum_pre=bytes_readed_sum; + return bytes_used; +} + +sp MP3_MediaSource::getFormat() { + ALOGI("[%s] in line (%d) \n",__FUNCTION__,__LINE__); + return mMeta; +} + +status_t MP3_MediaSource::start(MetaData *params) +{ + ALOGI("[%s] in line (%d) \n",__FUNCTION__,__LINE__); + mGroup = new MediaBufferGroup; + mGroup->add_buffer(new MediaBuffer(MaxFrameSize)); + mStarted = true; + return OK; +} + +status_t MP3_MediaSource::stop() +{ + ALOGI("[%s] in line (%d) \n",__FUNCTION__,__LINE__); + delete mGroup; + mGroup = NULL; + mStarted = false; + return OK; +} + +status_t MP3_MediaSource::read(MediaBuffer **out, const ReadOptions *options) +{ + *out = NULL; + uint32_t readedbytes = 0; + unsigned char header_buffer[5]; + frame_size = 0; + uint32_t header = 0; + + if (*pStop_ReadBuf_Flag==1){ + ALOGI("Stop_ReadBuf_Flag==1 stop read_buf [%s %d]",__FUNCTION__,__LINE__); + return ERROR_END_OF_STREAM; + } + + if(start_flag == 1){ + ALOGI("Start Resync the begin of stream [%s %d]",__FUNCTION__,__LINE__); + mFixedHeader = Resync(0); + start_flag = 0; + } + + MediaBuffer *buffer; + status_t err = mGroup->acquire_buffer(&buffer); + if (err != OK) { + return err; + } + +Read_data: + + if(Resynced_flag){ //read data from resync buffer + if (*pStop_ReadBuf_Flag==1){ + ALOGI("Stop_ReadBuf_Flag==1 stop read_buf [%s %d]",__FUNCTION__,__LINE__); + buffer->release(); + buffer = NULL; + return ERROR_END_OF_STREAM; + } + frame_size = Resync_framesize[3-Resynced_flag]; + memcpy((unsigned char*)(buffer->data()),&buf[Resync_pos],frame_size); + Resync_pos += frame_size; + Resynced_flag--; + }else{ + readedbytes = Find_header(header_buffer,&frame_size,&sample_rate,&ChNum,&bitrate,&num_samples); + + uint32_t header = U32_AT((const uint8_t *)header_buffer); + + if((header & kMask) != (mFixedHeader & kMask)){ + if (*pStop_ReadBuf_Flag==1){ + ALOGI("Stop_ReadBuf_Flag==1 stop read_buf [%s %d]",__FUNCTION__,__LINE__); + buffer->release(); + buffer = NULL; + return ERROR_END_OF_STREAM; + } + while(ResyncOccurFlag && *pStop_ReadBuf_Flag==0 ) + usleep(10000); + mFixedHeader = Resync(4); + memcpy(&buf[0],&header_buffer[0],4); + ALOGI("[%s]Resync the MP3! \n",__FUNCTION__); + goto Read_data; + } + + //ALOGI("frame_size = %d,sample_rate = %d,ChNum = %d, bitrate = %d, num_samples = %d readedbytes = %d\n", + // frame_size,sample_rate,ChNum,bitrate,num_samples,readedbytes); + + if(frame_size<=0) + { + ALOGE("WARNING: Invalid frame_size %d \n",frame_size); + return ERROR_END_OF_STREAM; + } + + memcpy((unsigned char*)(buffer->data()),&header_buffer[0],4); + + if (MediaSourceRead_buffer(((unsigned char*)buffer->data()+4),(frame_size-4)) != (frame_size-4)){ + buffer->release(); + buffer = NULL; + return ERROR_END_OF_STREAM; + } + } + + buffer->set_range(0, frame_size); + buffer->meta_data()->setInt64(kKeyTime, mCurrentTimeUs); + buffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); + + *out = buffer; + return OK; +} + + + + +} // namespace android + diff --git a/amadec/omx_audio/MP3_mediasource.h b/amadec/omx_audio/MP3_mediasource.h new file mode 100644 index 0000000..685ae09 --- a/dev/null +++ b/amadec/omx_audio/MP3_mediasource.h @@ -0,0 +1,80 @@ +#ifndef MEDIA_MP3MEDIASOURCE_H_ +#define MEDIA_MP3MEDIASOURCE_H_ + +#include "MediaSource.h" +#include "DataSource.h" +#include "MediaBufferGroup.h" +#include "MetaData.h" +#include "audio_mediasource.h" +#include "../audio-dec.h" + +namespace android +{ + +typedef int (*fp_read_buffer)(unsigned char *, int); + +class MP3_MediaSource : public AudioMediaSource +{ +public: + MP3_MediaSource(void *read_buffer, aml_audio_dec_t *audec, int *exit); + + status_t start(MetaData *params = NULL); + status_t stop(); + sp getFormat(); + status_t read(MediaBuffer **buffer, const ReadOptions *options = NULL); + + int GetReadedBytes(); + int GetSampleRate(); + int GetChNum(); + int* Get_pStop_ReadBuf_Flag(); + int Set_pStop_ReadBuf_Flag(int *pStop); + + int set_MP3_MetaData(aml_audio_dec_t *audec); + int MediaSourceRead_buffer(unsigned char *buffer, int size); + + inline bool GetMPEGAudioFrameSize(uint32_t header, int *frame_size, int *out_sampling_rate, + int *out_channels, int *out_bitrate, int *out_num_samples); + unsigned int Find_header(unsigned char *buffer, int *frame_size, int *out_sampling_rate, + int *out_channels, int *out_bitrate, int *out_num_samples); + bool refind_header(unsigned char *buffer, int *frame_size, unsigned char *header_buffer, + int offset, int *readbytes); + unsigned int Resync(uint32_t pos); + + fp_read_buffer fpread_buffer; + + int sample_rate; + int ChNum; + int frame_size; + int bitrate; + int num_samples; + + int *pStop_ReadBuf_Flag; + int64_t bytes_readed_sum_pre; + int64_t bytes_readed_sum; + +protected: + virtual ~MP3_MediaSource(); + +private: + bool mStarted; + sp mDataSource; + sp mMeta; + MediaBufferGroup *mGroup; + int64_t mCurrentTimeUs; + int Resynced_flag; + uint8_t *buf; + int Resync_framesize[3]; + int Resync_pos; + uint32_t mFixedHeader; + int start_flag; + int64_t SyncWordPosArray[5]; + int ResyncOccurFlag; + + MP3_MediaSource(const MP3_MediaSource &); + MP3_MediaSource &operator=(const MP3_MediaSource &); +}; + + +} + +#endif diff --git a/amadec/omx_audio/THD_mediasource.cpp b/amadec/omx_audio/THD_mediasource.cpp new file mode 100644 index 0000000..e29df93 --- a/dev/null +++ b/amadec/omx_audio/THD_mediasource.cpp @@ -0,0 +1,229 @@ +#include +#include +#include +#include +#include +#include "THD_mediasource.h" + +extern "C" int read_buffer(unsigned char *buffer,int size); + +#define LOG_TAG "THD_Medissource" +#define ALOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define ALOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__) + +namespace android { + +THD_MediaSource::THD_MediaSource(void *read_buffer) +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + mStarted=false; + mMeta=new MetaData; + mDataSource=NULL; + mGroup=NULL; + mBytesReaded=0; + mCurrentTimeUs=0; + pStop_ReadBuf_Flag=NULL; + fpread_buffer=(fp_read_buffer)read_buffer; + sample_rate=48000;//96000; + ChNum=2; + frame_size=0; + bytes_readed_sum_pre=0; + bytes_readed_sum=0; + mSyncMain = false; + mMeta->setInt32(kKeyChannelCount, 2); + mMeta->setInt32(kKeySampleRate, 48000); +} + +THD_MediaSource::~THD_MediaSource() +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + if (mStarted) { + stop(); + } +} + +int THD_MediaSource::GetSampleRate() +{ + return sample_rate; +} + +int THD_MediaSource::GetChNum() +{ + return ChNum; +} + +int* THD_MediaSource::Get_pStop_ReadBuf_Flag() +{ + return pStop_ReadBuf_Flag; +} + +int THD_MediaSource::Set_pStop_ReadBuf_Flag(int *pStop) +{ + pStop_ReadBuf_Flag = pStop; + + return 0; +} + +int THD_MediaSource::SetReadedBytes(int size) +{ + mBytesReaded=size; + return 0; +} + +int THD_MediaSource::GetReadedBytes() +{ + int bytes_used; + bytes_used=bytes_readed_sum-bytes_readed_sum_pre; + if(bytes_used<0) + { + ALOGI("[%s]bytes_readed_sum(%lld) < bytes_readed_sum_pre(%lld) \n",__FUNCTION__,bytes_readed_sum,bytes_readed_sum_pre); + bytes_used=0; + } + bytes_readed_sum_pre=bytes_readed_sum; + return bytes_used; +} + +sp THD_MediaSource::getFormat() { + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + return mMeta; +} + +status_t THD_MediaSource::start(MetaData *params) +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + mGroup = new MediaBufferGroup; + mGroup->add_buffer(new MediaBuffer(4096)); + mStarted = true; + return OK; +} + +status_t THD_MediaSource::stop() +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); + delete mGroup; + mGroup = NULL; + mStarted = false; + return OK; +} + +int THD_MediaSource::MediaSourceRead_buffer(unsigned char *buffer,int size) +{ + int readcnt=0; + int readsum=0; + if(fpread_buffer!=NULL) + { + int sleep_time=0; + while((readsum0) && (sleep_time%100==0)){ //wait for max 10s to get audio data + ALOGE("[%s] Can't get data from audiobuffer,wait for %d ms\n ", __FUNCTION__,sleep_time*10); + } + } + bytes_readed_sum +=readsum; + if(*pStop_ReadBuf_Flag==1) + { + ALOGI("[%s] End of Stream: *pStop_ReadBuf_Flag==1\n ", __FUNCTION__); + } + return readsum; + }else{ + ALOGE("[%s]ERR: fpread_buffer=NULL\n ", __FUNCTION__); + return 0; + } +} + +status_t THD_MediaSource::read(MediaBuffer **out, const ReadOptions *options) +{ + *out = NULL; + uint fourheader = 0; //au size and crc check and timing + uint syncheader = 0; //truehd sync words(word:four bytes) + uchar byte; + uchar byte2[2]; + uint ausize; //access unit size(byte) + uint i = 0; + + if(!mSyncMain){ + while(1)//max frame length is 4000 bytes + { + ALOGI("=======find sync main=====\n"); + if(MediaSourceRead_buffer((uchar*)&byte, 1) < 1){ + ALOGI("[%s,%d]read raw data from buffer failed\n",__FUNCTION__,__LINE__); + return ERROR_END_OF_STREAM; + } + fourheader = (fourheader << 8) | (syncheader >> 24); + syncheader = (syncheader << 8) | byte; + if(syncheader == TRUEHDSYNC){ + ausize = ((fourheader >> 16) & 0x0fff) << 1; + ChNum = 2; + sample_rate = 48000;//96000; + mSyncMain = true; + ALOGI("truehd: main sync word find ok\n"); + break; + } + } +#if 0 + if(i >= MAX_AUSIZE) + { + ALOGI("ERROR: can not find truehd main sync\n"); + return ERROR_UNSUPPORTED; + } +#endif + }else{ + if(MediaSourceRead_buffer((uchar*)&byte2, 2) < 2){ + ALOGI("[%s,%d]read raw data from buffer failed\n",__FUNCTION__,__LINE__); + return ERROR_END_OF_STREAM; + } + ausize = (((byte2[0]<< 8) | byte2[1]) & 0x0fff) << 1; + } + + if((ausize < MIN_AUSIZE) || (ausize > MAX_AUSIZE)){ + ALOGI("ERROR: access unit size can not accept!!!\n"); + return ERROR_UNSUPPORTED; + } + + + MediaBuffer *buffer; + status_t err = mGroup->acquire_buffer(&buffer); + if (err != OK) { + ALOGI("acquire_buffer buffer failed.\n"); + return err; + } + + if(syncheader == TRUEHDSYNC){ + memcpy((uchar *)(buffer->data()), &fourheader, 4); + memcpy((uchar *)((unsigned long)buffer->data() + 4), &syncheader, 4); + if (MediaSourceRead_buffer((uchar*)((unsigned long)buffer->data() + 8), ausize - 8) != (ausize - 8)) { + ALOGI("[%s %d]stream read failed\n",__FUNCTION__,__LINE__); + buffer->release(); + buffer = NULL; + return ERROR_END_OF_STREAM; + } + char *ptr = (char *)((unsigned long)buffer->data() + 8); + sample_rate = ((ptr[0] >> 4) & 0xf) & 8 ? 44100 : 48000; + ALOGI("[%s:%d] sample_rate = %d\n", __FUNCTION__, __LINE__, sample_rate); + }else{ + memcpy((uchar *)(buffer->data()), &byte2, 2); + if (MediaSourceRead_buffer((uchar*)((unsigned long)buffer->data() + 2), ausize - 2) != (ausize - 2)) { + ALOGI("[%s %d]stream read failed\n",__FUNCTION__,__LINE__); + buffer->release(); + buffer = NULL; + return ERROR_END_OF_STREAM; + } + } + + + buffer->set_range(0, ausize); + buffer->meta_data()->setInt64(kKeyTime, mCurrentTimeUs); + buffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); + + *out = buffer; + return OK; +} + +} // namespace android + diff --git a/amadec/omx_audio/THD_mediasource.h b/amadec/omx_audio/THD_mediasource.h new file mode 100644 index 0000000..e8d9c65 --- a/dev/null +++ b/amadec/omx_audio/THD_mediasource.h @@ -0,0 +1,74 @@ +#ifndef MEDIA_THDMEDIASOURCE_H_ +#define MEDIA_THDMEDIASOURCE_H_ + +#include "MediaSource.h" +#include "DataSource.h" +#include "MediaBufferGroup.h" +#include "MetaData.h" +#include "audio_mediasource.h" + +#define TRUEHDSYNC 0xf8726fba //main sync header +#define MAX_AUSIZE 4000 //max access unit size +#define MIN_AUSIZE 6 //min access unit size + +typedef unsigned char uchar; +typedef unsigned short ushort; +typedef unsigned int uint; + + + +namespace android +{ + +typedef int (*fp_read_buffer)(unsigned char *, int); + +class THD_MediaSource : public AudioMediaSource +{ +public: + THD_MediaSource(void *read_buffer); + + status_t start(MetaData *params = NULL); + status_t stop(); + sp getFormat(); + status_t read(MediaBuffer **buffer, const ReadOptions *options = NULL); + + int GetReadedBytes(); + int GetSampleRate(); + int GetChNum(); + int* Get_pStop_ReadBuf_Flag(); + int Set_pStop_ReadBuf_Flag(int *pStop); + + int SetReadedBytes(int size); + int MediaSourceRead_buffer(unsigned char *buffer, int size); + + fp_read_buffer fpread_buffer; + + int StreamAnalysis(char *buffer); + + int sample_rate; + int ChNum; + int frame_size; + int64_t bytes_readed_sum_pre; + int64_t bytes_readed_sum; + int* pStop_ReadBuf_Flag; + +protected: + virtual ~THD_MediaSource(); + +private: + bool mStarted; + sp mDataSource; + sp mMeta; + MediaBufferGroup *mGroup; + int64_t mCurrentTimeUs; + int mBytesReaded; + bool mSyncMain; + + THD_MediaSource(const THD_MediaSource &); + THD_MediaSource &operator=(const THD_MediaSource &); +}; + + +} + +#endif diff --git a/amadec/omx_audio/Vorbis_mediasource.cpp b/amadec/omx_audio/Vorbis_mediasource.cpp new file mode 100755 index 0000000..f74bc15 --- a/dev/null +++ b/amadec/omx_audio/Vorbis_mediasource.cpp @@ -0,0 +1,245 @@ +#include +#include +#include +#include +#include +#include "Vorbis_mediasource.h" +#include "audio-dec.h" + + +#define LOG_TAG "Vorbis_Medissource" +#define ALOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define ALOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__) +extern "C" int read_buffer(unsigned char *buffer, int size); +namespace android +{ + +Vorbis_MediaSource::Vorbis_MediaSource(void *read_buffer, aml_audio_dec_t *audec) +{ + ALOGI("%s %d \n", __FUNCTION__, __LINE__); + + mStarted = false; + mMeta = new MetaData; + mDataSource = NULL; + mGroup = NULL; + mBytesReaded = 0; + mCurrentTimeUs = 0; + pStop_ReadBuf_Flag = NULL; + fpread_buffer = (fp_read_buffer)read_buffer; + sample_rate = audec->samplerate; + ChNum = audec->channels > 2 ? 2 : audec->channels; + bytes_readed_sum_pre = 0; + bytes_readed_sum = 0; + FrameNumReaded = 0; + packt_size = 0; + mMeta->setInt32(kKeyChannelCount, audec->channels > 0 ? audec->channels : 2); + mMeta->setInt32(kKeySampleRate, audec->samplerate > 0 ? audec->samplerate : 48000); + +} + + +Vorbis_MediaSource::~Vorbis_MediaSource() +{ + ALOGI("%s %d \n", __FUNCTION__, __LINE__); + if (mStarted) { + stop(); + } +} + + +int Vorbis_MediaSource::GetSampleRate() +{ + return sample_rate; +} + +int Vorbis_MediaSource::GetChNum() +{ + return ChNum; +} + +int* Vorbis_MediaSource::Get_pStop_ReadBuf_Flag() +{ + return pStop_ReadBuf_Flag; +} + +int Vorbis_MediaSource::Set_pStop_ReadBuf_Flag(int *pStop) +{ + pStop_ReadBuf_Flag = pStop; + return 0; +} + +int Vorbis_MediaSource::GetReadedBytes() +{ + if (1/*FrameNumReaded<2*/) { + int bytes_used; + bytes_used = bytes_readed_sum - bytes_readed_sum_pre; + if (bytes_used < 0) { + ALOGI("[%s]bytes_readed_sum(%lld) < bytes_readed_sum_pre(%lld) \n", __FUNCTION__, bytes_readed_sum, bytes_readed_sum_pre); + bytes_used = 0; + } + bytes_readed_sum_pre = bytes_readed_sum; + return bytes_used; + } else { + return packt_size; + } +} + +sp Vorbis_MediaSource::getFormat() +{ + ALOGI("%s %d \n", __FUNCTION__, __LINE__); + return mMeta; +} + +status_t Vorbis_MediaSource::start(MetaData *params) +{ + ALOGI("%s %d \n", __FUNCTION__, __LINE__); + mGroup = new MediaBufferGroup; + mGroup->add_buffer(new MediaBuffer(8192)); + mStarted = true; + return OK; +} + +status_t Vorbis_MediaSource::stop() +{ + ALOGI("%s %d \n", __FUNCTION__, __LINE__); + delete mGroup; + mGroup = NULL; + mStarted = false; + return OK; +} + + +int Vorbis_MediaSource::MediaSourceRead_buffer(unsigned char *buffer, int size) +{ + int readcnt = 0; + int readsum = 0; + if (fpread_buffer != NULL) { + int sleep_time = 0; + while ((readsum < size) && (*pStop_ReadBuf_Flag == 0)) { + readcnt = fpread_buffer(buffer + readsum, size - readsum); + if (readcnt < (size - readsum)) { + sleep_time++; + usleep(10000); + } + readsum += readcnt; + if (sleep_time > 200) { //wait for max 2s to get audio data + ALOGE("[%s] Can't get data from audiobuffer,wait for %d ms\n ", __FUNCTION__, sleep_time * 10); + return 0; + } + } + + if (*pStop_ReadBuf_Flag == 1) { + ALOGI("[%s] End of Stream: *pStop_ReadBuf_Flag==1\n ", __FUNCTION__); + } + return readsum; + } else { + ALOGE("[%s]ERR: fpread_buffer=NULL\n ", __FUNCTION__); + return 0; + } +} + +static void dump_pcm_bin(char *path, char *buf, int size) +{ + FILE *fp = fopen(path, "ab+"); + if (fp != NULL) { + fwrite(buf, 1, size, fp); + fclose(fp); + } +} + +status_t Vorbis_MediaSource::read(MediaBuffer **out, const ReadOptions *options) +{ + + *out = NULL; + int read_bytes_per_time; + MediaBuffer *buffer; + int byte_readed = 0; + status_t err; + + int SyncFlag = 0, readedbytes = 0; + int pkt_size = 0; + uint8_t ptr_head[4] = {0}; + int buf_getted = 0; + //for android N, need player to insert the numPageSamples at the end of input buffer + //android M and before,which is done by OMXCodec itself. + int32_t numPageSamples = -1; + //android N and later +#if ANDROID_PLATFORM_SDK_VERSION >= 24 + int32_t insert_byte = 4; +#else + int32_t insert_byte = 0; +#endif +re_read: + + //---------------------------------- + if (MediaSourceRead_buffer(&ptr_head[0], 4) < 4) { + ALOGI("WARNING: fpread_buffer readbytes failed [%s %d]!\n", __FUNCTION__, __LINE__); + return ERROR_END_OF_STREAM; + } + + while (!SyncFlag) { + if (ptr_head[0] == 'H' && ptr_head[1] == 'E' && ptr_head[2] == 'A' && ptr_head[3] == 'D') { + SyncFlag = 1; + break; + } + ptr_head[0] = ptr_head[1]; + ptr_head[1] = ptr_head[2]; + ptr_head[2] = ptr_head[3]; + if (MediaSourceRead_buffer(&ptr_head[3], 1) < 1) { + ALOGI("WARNING: fpread_buffer readbytes failed [%s %d]!\n", __FUNCTION__, __LINE__); + return ERROR_END_OF_STREAM; + } + + if (*pStop_ReadBuf_Flag == 1) { + ALOGI("Stop_ReadBuf_Flag==1 stop read_buf [%s %d]", __FUNCTION__, __LINE__); + return ERROR_END_OF_STREAM; + } + } + + if (MediaSourceRead_buffer((unsigned char*)(&pkt_size), 4) < 4) { + ALOGI("WARNING: fpread_buffer readbytes failed [%s %d]!\n", __FUNCTION__, __LINE__); + return ERROR_END_OF_STREAM; + } + + if (!buf_getted) { + buf_getted = 1; + err = mGroup->acquire_buffer(&buffer); + if (err != OK) { + ALOGE("[%s %d] mGroup->acquire_buffer ERR!\n", __FUNCTION__, __LINE__); + return err; + } + } + //mediasource should wait abuf data util player finish it + while (MediaSourceRead_buffer((unsigned char*)(buffer->data()), pkt_size) < pkt_size && (*pStop_ReadBuf_Flag == 0)) { + ALOGW("WARNING: fpread_buffer readbytes failed [%s %d]!\n", __FUNCTION__, __LINE__); + } + if (*pStop_ReadBuf_Flag == 1) { + buffer->release(); + buffer = NULL; + return ERROR_END_OF_STREAM; + } + + if (insert_byte > 0) { + buffer->set_range(0, pkt_size + insert_byte); + memcpy((unsigned char*)(buffer->data()) + pkt_size, &numPageSamples, sizeof(numPageSamples)); + } + buffer->meta_data()->setInt64(kKeyTime, mCurrentTimeUs); + buffer->meta_data()->setInt32(kKeyIsSyncFrame, 1); + bytes_readed_sum += (pkt_size + 8); + ALOGV("vorbis package size %d,num %d\n", pkt_size, FrameNumReaded); + FrameNumReaded++; + if (FrameNumReaded == 2) { + goto re_read; + } + if (FrameNumReaded > 3) { + packt_size = pkt_size; + buffer->meta_data()->setInt32(kKeyValidSamples, -1); + } + *out = buffer; + return OK; +} + + +} // namespace android + + diff --git a/amadec/omx_audio/Vorbis_mediasource.h b/amadec/omx_audio/Vorbis_mediasource.h new file mode 100644 index 0000000..f94b133 --- a/dev/null +++ b/amadec/omx_audio/Vorbis_mediasource.h @@ -0,0 +1,58 @@ +#ifndef MEDIA_VORBIS_MEDIASOURCE_H_ +#define MEDIA_VORBIS_MEDIASOURCE_H_ + +#include "MediaSource.h" +#include "DataSource.h" +#include "MediaBufferGroup.h" +#include "MetaData.h" +#include "audio_mediasource.h" +#include "audio-dec.h" + +namespace android +{ + +typedef int (*fp_read_buffer)(unsigned char *, int); +class Vorbis_MediaSource : public AudioMediaSource +{ +public: + Vorbis_MediaSource(void *read_buffer, aml_audio_dec_t *audec); + + status_t start(MetaData *params = NULL); + status_t stop(); + sp getFormat(); + status_t read(MediaBuffer **buffer, const ReadOptions *options = NULL); + + int GetReadedBytes(); + int GetSampleRate(); + int GetChNum(); + int* Get_pStop_ReadBuf_Flag(); + int Set_pStop_ReadBuf_Flag(int *pStop); + int MediaSourceRead_buffer(unsigned char *buffer, int size); + + fp_read_buffer fpread_buffer; + int sample_rate; + int ChNum; + int packt_size; + int *pStop_ReadBuf_Flag; + int64_t bytes_readed_sum_pre; + int64_t bytes_readed_sum; + int FrameNumReaded; +protected: + virtual ~Vorbis_MediaSource(); +private: + bool mStarted; + sp mDataSource; + sp mMeta; + MediaBufferGroup *mGroup; + int64_t mCurrentTimeUs; + int mBytesReaded; + int block_align; + Vorbis_MediaSource(const Vorbis_MediaSource &); + Vorbis_MediaSource &operator=(const Vorbis_MediaSource &); +}; + + +} + +#endif + diff --git a/amadec/omx_audio/adec_omx.cpp b/amadec/omx_audio/adec_omx.cpp new file mode 100644 index 0000000..ccde626 --- a/dev/null +++ b/amadec/omx_audio/adec_omx.cpp @@ -0,0 +1,421 @@ +/* +interface to call OMX codec +*/ + +#include +#include +#include "../adec_omx_brige.h" +#include "adec_omx.h" +#include "audio_mediasource.h" +#include "DDP_mediasource.h" +#include "ALAC_mediasource.h" +#include "MP3_mediasource.h" +#include "ASF_mediasource.h" +#include "DTSHD_mediasource.h" +#include "Vorbis_mediasource.h" +#include "THD_mediasource.h" +#include +#include +#include +#include +#include +#include +#define LOG_TAG "Adec_OMX" +#define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__) + +namespace android { + +//##################################################### + +AmlOMXCodec::AmlOMXCodec(int codec_type,void *read_buffer,int *exit,aml_audio_dec_t *audec) +{ + m_codec=NULL; + status_t m_OMXClientConnectStatus=m_OMXClient.connect(); + lock_init(); + locked(); + buf_decode_offset=0; + buf_decode_offset_pre=0; + if(m_OMXClientConnectStatus != OK){ + LOGE("Err:omx client connect error\n"); + }else{ + const char *mine_type=NULL; + audec->data_width=AV_SAMPLE_FMT_S16; + omx_codec_type=0; + if(audec->channels>0){ + audec->channels=(audec->channels>2? 2:audec->channels); + audec->adec_ops->channels=audec->channels; + }else + audec->adec_ops->channels=audec->channels=2; + + if(audec->samplerate>0) + audec->adec_ops->samplerate=audec->samplerate; + else + audec->adec_ops->samplerate=audec->samplerate=48000; + + LOGI("Data_width:%d Samplerate:%d Channel:%d \n",audec->data_width,audec->samplerate,audec->channels); + + if(codec_type==OMX_ENABLE_CODEC_AC3) + { + mine_type=MEDIA_MIMETYPE_AUDIO_AC3; + m_OMXMediaSource = new DDP_MediaSource(read_buffer); + } + else if(codec_type==OMX_ENABLE_CODEC_EAC3) + { + mine_type=MEDIA_MIMETYPE_AUDIO_EC3; + m_OMXMediaSource = new DDP_MediaSource(read_buffer); + } + else if(codec_type==OMX_ENABLE_CODEC_ALAC) + { + mine_type=MEDIA_MIMETYPE_AUDIO_ALAC; + m_OMXMediaSource = new ALAC_MediaSource(read_buffer,audec); + } + else if(codec_type==OMX_ENABLE_CODEC_MPEG_LAYER_II) + { + mine_type=MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II; + //mine_type=MEDIA_MIMETYPE_AUDIO_MPEG; + m_OMXMediaSource = new MP3_MediaSource(read_buffer,audec,exit); + }else if(codec_type==OMX_ENABLE_CODEC_WMA){ + mine_type=MEDIA_MIMETYPE_AUDIO_WMA; + m_OMXMediaSource = new Asf_MediaSource(read_buffer,audec); + }else if(codec_type==OMX_ENABLE_CODEC_WMAPRO){ + mine_type=MEDIA_MIMETYPE_AUDIO_WMAPRO; + m_OMXMediaSource = new Asf_MediaSource(read_buffer,audec); + }else if(codec_type==OMX_ENABLE_CODEC_DTSHD){ + mine_type=MEDIA_MIMETYPE_AUDIO_DTSHD; + m_OMXMediaSource = new Dtshd_MediaSource(read_buffer); + }else if(codec_type==OMX_ENABLE_CODEC_VORBIS){ + mine_type=MEDIA_MIMETYPE_AUDIO_VORBIS; + m_OMXMediaSource=new Vorbis_MediaSource(read_buffer,audec); + }else if(codec_type == OMX_ENABLE_CODEC_TRUEHD){ + mine_type = MEDIA_MIMETYPE_AUDIO_TRUEHD; + m_OMXMediaSource = new THD_MediaSource(read_buffer); + }else if(codec_type==OMX_ENABLE_CODEC_WMAVOI){ + mine_type=MEDIA_MIMETYPE_AUDIO_FFMPEG; + m_OMXMediaSource = new Asf_MediaSource(read_buffer,audec); + } + omx_codec_type=codec_type; + LOGI("mine_type=%s %s %d \n",mine_type,__FUNCTION__,__LINE__); + + m_OMXMediaSource->Set_pStop_ReadBuf_Flag(exit); + + sp metadata = m_OMXMediaSource->getFormat(); + metadata->setCString(kKeyMIMEType,mine_type); + + m_codec = SimpleDecodingSource::Create( + m_OMXMediaSource, + 0, + 0); + + if (m_codec != NULL) + { + LOGI("OMXCodec::Create success %s %d \n",__FUNCTION__,__LINE__); + }else{ + LOGE("Err: OMXCodec::Create failed %s %d \n",__FUNCTION__,__LINE__); + } + } + unlocked(); +} + + +AmlOMXCodec::~AmlOMXCodec() +{ + + m_OMXMediaSource=NULL; + m_codec=NULL; +} + + +status_t AmlOMXCodec::read(unsigned char *buf,unsigned *size,int *exit) +{ + if (m_codec == NULL) { + LOGE("m_codec==NULL %s %d failed!\n",__FUNCTION__,__LINE__); + return !OK; + } + MediaBuffer *srcBuffer; + status_t status; + m_OMXMediaSource->Set_pStop_ReadBuf_Flag(exit); + + if(*exit) + { + LOGI("NOTE:exit flag enabled! [%s %d] \n",__FUNCTION__,__LINE__); + *size=0; + return OK; + } + + status= m_codec->read(&srcBuffer,NULL); + + if(srcBuffer==NULL) + { + if (status == INFO_FORMAT_CHANGED) { + ALOGI("format changed \n"); + } + *size=0; + return OK; + } + if(*size>srcBuffer->range_length()) //surpose buf is large enough + *size=srcBuffer->range_length(); + if(status == OK && (*size!=0) ){ + memcpy(buf, (void*)((unsigned long)srcBuffer->data() + srcBuffer->range_offset()), *size); + srcBuffer->set_range(srcBuffer->range_offset() + (*size),srcBuffer->range_length() - (*size)); + srcBuffer->meta_data()->findInt64(kKeyTime, &buf_decode_offset); + } + + if (srcBuffer->range_length() == 0) { + srcBuffer->release(); + srcBuffer = NULL; + } + return OK; +} + +status_t AmlOMXCodec::start(aml_audio_dec_t *audec) +{ + LOGI("[%s %d] \n",__FUNCTION__,__LINE__); + if (m_codec == NULL) { + LOGE("m_codec==NULL %s %d failed!\n",__FUNCTION__,__LINE__); + return !OK; + } + status_t status = m_codec->start(); + if(omx_codec_type==OMX_ENABLE_CODEC_AC3 ||omx_codec_type==OMX_ENABLE_CODEC_EAC3 \ + || omx_codec_type==OMX_ENABLE_CODEC_DTSHD || omx_codec_type== OMX_ENABLE_CODEC_TRUEHD){ + android::sp output_format=m_codec->getFormat(); + int enable_flag = 0; + output_format->findInt32(android::kKeyAudioFlag, &enable_flag); + LOGI("dts/dolby audio enable flag %d \n",enable_flag); + audec->audio_decoder_enabled = enable_flag; + } + if (status != OK) + { + LOGE("Err:OMX client can't start OMX decoder?! status=%d (0x%08x)\n", (int)status, (int)status); + m_codec = NULL; + } + return status; +} + +void AmlOMXCodec::stop() +{ + LOGI("[%s %d] enter \n",__FUNCTION__,__LINE__); + if(m_codec != NULL){ + if(m_OMXMediaSource->Get_pStop_ReadBuf_Flag()) + *m_OMXMediaSource->Get_pStop_ReadBuf_Flag()=1; + m_codec->pause(); + m_codec->stop(); + wp tmp = m_codec; + m_codec.clear(); + while (tmp.promote() != NULL) { + LOGI("[%s %d]wait m_codec free OK!\n",__FUNCTION__,__LINE__); + usleep(1000); + } + + //m_OMXMediaSource->stop();//stop in omxcodec + m_OMXClient.disconnect(); + m_OMXMediaSource=NULL; + m_codec=NULL; + }else + LOGE("m_codec==NULL m_codec->stop() failed! %s %d \n",__FUNCTION__,__LINE__); +} + +void AmlOMXCodec::pause() +{ + LOGI("[%s %d] \n",__FUNCTION__,__LINE__); + if(m_codec != NULL) + m_codec->pause(); + else + LOGE("m_codec==NULL m_codec->pause() failed! %s %d \n",__FUNCTION__,__LINE__); +} + +int AmlOMXCodec::GetDecBytes() +{ + int used_len=0; + + if (omx_codec_type == OMX_ENABLE_CODEC_AC3 || omx_codec_type == OMX_ENABLE_CODEC_EAC3) + { + used_len += m_OMXMediaSource->GetReadedBytes(); + } + + if(omx_codec_type==OMX_ENABLE_CODEC_AC3 ||omx_codec_type==OMX_ENABLE_CODEC_EAC3|| omx_codec_type==OMX_ENABLE_CODEC_DTSHD) + { + used_len += (buf_decode_offset - buf_decode_offset_pre); + buf_decode_offset_pre=buf_decode_offset; + return used_len; + }else{ + return m_OMXMediaSource->GetReadedBytes(); + } +} + +void AmlOMXCodec::lock_init() +{ + pthread_mutexattr_t attr; + pthread_mutexattr_init(&attr); + pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_SHARED); + pthread_mutex_init(&lock, &attr); + pthread_mutexattr_destroy(&attr); +} +void AmlOMXCodec::locked() +{ + pthread_mutex_lock(&lock); +} +void AmlOMXCodec::unlocked() +{ + pthread_mutex_unlock(&lock); +} + +}; // namespace android + +//##################################################### +extern "C" +{ + +android::AmlOMXCodec *arm_omx_codec=NULL; + +void arm_omx_codec_init(aml_audio_dec_t *audec,int codec_type,void *readbuffer,int *exit) +{ + char value[128]={0}; + int ret=0; + android::AmlOMXCodec *arm_omx_codec=NULL; + amsysfs_write_prop("media.libplayer.dtsopt0", "1"); + LOGI("property_set ret/%d\n",ret); + arm_omx_codec=new android::AmlOMXCodec(codec_type,readbuffer,exit,audec); + if(arm_omx_codec==NULL){ + property_set("media.libplayer.dtsopt0", "0"); + LOGE("Err:arm_omx_codec_init failed\n"); + } + if(property_get("media.libplayer.dtsopt0",value,NULL) > 0) + { + LOGI("[%s %d] media.libplayer.dtsopt0/%s \n",__FUNCTION__,__LINE__,value); + }else{ + LOGE("[%s %d] property_set failed\n",__FUNCTION__,__LINE__); + } + LOGI("[%s %d] arm_omx_codec=%p \n",__FUNCTION__,__LINE__,arm_omx_codec); + audec->arm_omx_codec=arm_omx_codec; +} + +void arm_omx_codec_start(aml_audio_dec_t *audec) +{ + android::AmlOMXCodec *arm_omx_codec=(android::AmlOMXCodec *)(audec->arm_omx_codec); + if(arm_omx_codec!=NULL){ + arm_omx_codec->locked(); + arm_omx_codec->start(audec); + arm_omx_codec->unlocked(); + }else + LOGE("arm_omx_codec==NULL arm_omx_codec->start failed! %s %d \n",__FUNCTION__,__LINE__); +} + +void arm_omx_codec_pause(aml_audio_dec_t *audec) +{ + android::AmlOMXCodec *arm_omx_codec=(android::AmlOMXCodec *)(audec->arm_omx_codec); + if(arm_omx_codec!=NULL){ + arm_omx_codec->locked(); + arm_omx_codec->pause(); + arm_omx_codec->unlocked(); + }else + LOGE("arm_omx_codec==NULL arm_omx_codec->pause failed! %s %d \n",__FUNCTION__,__LINE__); +} + +void arm_omx_codec_read(aml_audio_dec_t *audec,unsigned char *buf,unsigned *size,int *exit) +{ + android::AmlOMXCodec *arm_omx_codec=(android::AmlOMXCodec *)(audec->arm_omx_codec); + if(arm_omx_codec!=NULL){ + arm_omx_codec->locked(); + arm_omx_codec->read(buf,size,exit); + arm_omx_codec->unlocked(); + }else + LOGE("arm_omx_codec==NULL arm_omx_codec->read failed! %s %d \n",__FUNCTION__,__LINE__); +} + +void arm_omx_codec_close(aml_audio_dec_t *audec) +{ + int ret=0; + char value[128]={0}; + android::AmlOMXCodec *arm_omx_codec=(android::AmlOMXCodec *)(audec->arm_omx_codec); + amsysfs_write_prop("media.libplayer.dtsopt0", "0"); + LOGI("property_set ret/%d\n",ret); + if(arm_omx_codec!=NULL){ + arm_omx_codec->locked(); + arm_omx_codec->stop(); + arm_omx_codec->unlocked(); + delete arm_omx_codec; + arm_omx_codec=NULL; + }else{ + LOGI("NOTE:arm_omx_codec==NULL arm_omx_codec_close() do nothing! %s %d \n",__FUNCTION__,__LINE__); + } + if(property_get("media.libplayer.dtsopt0",value,NULL) > 0) + { + LOGI("[%s %d] media.libplayer.dtsopt0/%s \n",__FUNCTION__,__LINE__,value); + }else{ + LOGE("[%s %d] property_set failed\n",__FUNCTION__,__LINE__); + } +} + +int arm_omx_codec_get_declen(aml_audio_dec_t *audec) +{ + int declen=0; + android::AmlOMXCodec *arm_omx_codec=(android::AmlOMXCodec *)(audec->arm_omx_codec); + if(arm_omx_codec!=NULL){ + arm_omx_codec->locked(); + declen=arm_omx_codec->GetDecBytes(); + arm_omx_codec->unlocked(); + }else{ + LOGI("NOTE:arm_omx_codec==NULL arm_omx_codec_get_declen() return 0! %s %d \n",__FUNCTION__,__LINE__); + } + + return declen; + +} + +#define DTSETC_DECODE_VERSION_CORE 350 +#define DTSETC_DECODE_VERSION_M6_M8 380 +int arm_omx_codec_get_FS(aml_audio_dec_t *audec) +{ + android::AmlOMXCodec *arm_omx_codec=(android::AmlOMXCodec *)(audec->arm_omx_codec); + if(arm_omx_codec!=NULL){ + arm_omx_codec->locked(); + if(arm_omx_codec->omx_codec_type==OMX_ENABLE_CODEC_DTSHD){ + int sampleRate=0; + android::sp output_format=arm_omx_codec->m_codec->getFormat(); + output_format->findInt32(android::kKeySampleRate, &sampleRate); + if (audec->VersionNum == -1 || (audec->VersionNum == DTSETC_DECODE_VERSION_M6_M8 && audec->DTSHDIEC958_FS == 0) ) + { + output_format->findInt32(android::kKeyDtsDecoderVer,&audec->VersionNum); + output_format->findInt32(android::kKeyDts958Fs,&audec->DTSHDIEC958_FS); + output_format->findInt32(android::kKeyDts958PktSize,&audec->DTSHDIEC958_PktFrmSize); + output_format->findInt32(android::kKeyDts958PktType,&audec->DTSHDIEC958_PktType); + output_format->findInt32(android::kKeyDtsPcmSampsInFrmMaxFs,&audec->DTSHDPCM_SamsInFrmAtMaxSR); + } + arm_omx_codec->unlocked(); + arm_omx_codec->m_OMXMediaSource->SetSampleRate(sampleRate); + return sampleRate; + }else{ + arm_omx_codec->unlocked(); + return arm_omx_codec->m_OMXMediaSource->GetSampleRate(); + } + }else{ + LOGI("NOTE:arm_omx_codec==NULL arm_omx_codec_get_FS() return 0! %s %d \n",__FUNCTION__,__LINE__); + return 0; + } +} + +int arm_omx_codec_get_Nch(aml_audio_dec_t *audec) +{ + android::AmlOMXCodec *arm_omx_codec=(android::AmlOMXCodec *)(audec->arm_omx_codec); + if(arm_omx_codec!=NULL){ + arm_omx_codec->locked(); + if(arm_omx_codec->omx_codec_type==OMX_ENABLE_CODEC_DTSHD){ + int numChannels=0; + android::sp output_format=arm_omx_codec->m_codec->getFormat(); + output_format->findInt32(android::kKeyChannelCount, &numChannels); + arm_omx_codec->unlocked(); + return numChannels; + }else{ + arm_omx_codec->unlocked(); + audec->adec_ops->NchOriginal =arm_omx_codec->m_OMXMediaSource->GetChNumOriginal(); + return arm_omx_codec->m_OMXMediaSource->GetChNum(); + } + }else{ + LOGI("NOTE:arm_omx_codec==NULL arm_omx_codec_get_Nch() return 0! %s %d \n",__FUNCTION__,__LINE__); + return 0; + } +} + + +} // namespace android diff --git a/amadec/omx_audio/adec_omx.h b/amadec/omx_audio/adec_omx.h new file mode 100644 index 0000000..4812073 --- a/dev/null +++ b/amadec/omx_audio/adec_omx.h @@ -0,0 +1,71 @@ +#ifndef MEDIA_ADECOMX_H_ +#define MEDIA_ADECOMX_H_ + +#include "OMX_Index.h" +#include "OMX_Core.h" +#include "OMXClient.h" +#include "audio_mediasource.h" +#include "../audio-dec.h" + +namespace android +{ + +static const char *MEDIA_MIMETYPE_AUDIO_AC3 = "audio/ac3"; +static const char *MEDIA_MIMETYPE_AUDIO_EC3 = "audio/eac3"; +static const char *MEDIA_MIMETYPE_AUDIO_AMR_NB = "audio/3gpp"; +static const char *MEDIA_MIMETYPE_AUDIO_AMR_WB = "audio/amr-wb"; +static const char *MEDIA_MIMETYPE_AUDIO_MPEG = "audio/mpeg"; //mp3 +static const char *MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_I = "audio/mpeg-L1"; +static const char *MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II = "audio/mpeg-L2"; +static const char *MEDIA_MIMETYPE_AUDIO_AAC = "audio/mp4a-latm"; +static const char *MEDIA_MIMETYPE_AUDIO_QCELP = "audio/qcelp"; +static const char *MEDIA_MIMETYPE_AUDIO_VORBIS = "audio/vorbis"; +static const char *MEDIA_MIMETYPE_AUDIO_G711_ALAW = "audio/g711-alaw"; +static const char *MEDIA_MIMETYPE_AUDIO_G711_MLAW = "audio/g711-mlaw"; +static const char *MEDIA_MIMETYPE_AUDIO_RAW = "audio/raw"; +static const char *MEDIA_MIMETYPE_AUDIO_ADPCM_IMA = "audio/adpcm-ima"; +static const char *MEDIA_MIMETYPE_AUDIO_ADPCM_MS = "audio/adpcm-ms"; +static const char *MEDIA_MIMETYPE_AUDIO_FLAC = "audio/flac"; +static const char *MEDIA_MIMETYPE_AUDIO_AAC_ADTS = "audio/aac-adts"; +static const char *MEDIA_MIMETYPE_AUDIO_ALAC = "audio/alac"; +static const char *MEDIA_MIMETYPE_AUDIO_AAC_ADIF = "audio/aac-adif"; +static const char *MEDIA_MIMETYPE_AUDIO_AAC_LATM = "audio/aac-latm"; +static const char *MEDIA_MIMETYPE_AUDIO_ADTS_PROFILE = "audio/adts"; +static const char *MEDIA_MIMETYPE_AUDIO_WMA = "audio/wma"; +static const char *MEDIA_MIMETYPE_AUDIO_WMAPRO = "audio/wmapro"; +static const char *MEDIA_MIMETYPE_AUDIO_DTSHD = "audio/dtshd"; +static const char *MEDIA_MIMETYPE_AUDIO_TRUEHD = "audio/truehd"; +static const char *MEDIA_MIMETYPE_AUDIO_FFMPEG = "audio/ffmpeg"; + +class AmlOMXCodec +{ +public: + + AmlOMXCodec(int codec_type, void *read_buffer, int *exit, aml_audio_dec *audec); + + OMXClient m_OMXClient; + sp m_OMXMediaSource; + int read(unsigned char *buf, unsigned *size, int *exit); + virtual status_t start(aml_audio_dec_t *audec); + void pause(); + void stop(); + int GetDecBytes(); + void lock_init(); + void locked(); + void unlocked(); + int started_flag; + int omx_codec_type; + //protected: + virtual ~AmlOMXCodec(); + //private: + sp m_codec; + pthread_mutex_t lock; + int64_t buf_decode_offset; + int64_t buf_decode_offset_pre; + +}; + + +} + +#endif diff --git a/amadec/omx_audio/audio_mediasource.cpp b/amadec/omx_audio/audio_mediasource.cpp new file mode 100755 index 0000000..16333ac --- a/dev/null +++ b/amadec/omx_audio/audio_mediasource.cpp @@ -0,0 +1,37 @@ +/* +add a mediasource interface just like stagefright player +for the input port data feed of OMX decoder +author: jian.xu@amlogic.com +27/2/2013 +*/ + +#include +#include +#include +#include +#include + +#include "audio_mediasource.h" + +extern "C" int read_buffer(unsigned char *buffer,int size); + +#define LOG_TAG "Audio_Medissource" +#define ALOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define ALOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__) + +namespace android { + +AudioMediaSource::AudioMediaSource() +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); +} + + +AudioMediaSource::~AudioMediaSource() +{ + ALOGI("%s %d \n",__FUNCTION__,__LINE__); +} + + +} // namespace android + diff --git a/amadec/omx_audio/audio_mediasource.h b/amadec/omx_audio/audio_mediasource.h new file mode 100644 index 0000000..957f843 --- a/dev/null +++ b/amadec/omx_audio/audio_mediasource.h @@ -0,0 +1,46 @@ +#ifndef OMX_AUDIOMEDIASOURCE_H_ +#define OMX_AUDIOMEDIASOURCE_H_ + +#include "MediaSource.h" +#include "DataSource.h" +#include "MediaBufferGroup.h" +#include "MetaData.h" + +namespace android +{ + +class AudioMediaSource : public MediaSource +{ +public: + virtual status_t start(MetaData *params = NULL) = 0; + virtual status_t stop() = 0; + virtual sp getFormat() = 0; + virtual status_t read(MediaBuffer **buffer, const ReadOptions *options = NULL) = 0; + + virtual int GetReadedBytes() = 0; + virtual int GetSampleRate() = 0; + virtual int SetSampleRate(int sample_rate){ + return 0; + }; + virtual int GetChNum() = 0; + virtual int GetChNumOriginal() { + return 0; + }; + virtual int* Get_pStop_ReadBuf_Flag() = 0; + virtual int Set_pStop_ReadBuf_Flag(int *pStop) = 0; + +protected: + + AudioMediaSource(); + virtual ~AudioMediaSource(); + +private: + + AudioMediaSource(const AudioMediaSource &); + AudioMediaSource &operator=(const AudioMediaSource &); +}; + + +} + +#endif diff --git a/amadec/omx_audio/audio_medissource.h b/amadec/omx_audio/audio_medissource.h new file mode 100644 index 0000000..35cf23b --- a/dev/null +++ b/amadec/omx_audio/audio_medissource.h @@ -0,0 +1,137 @@ + +/* +#include +#include +#include +#include +#include +#include +#include +#include +#include +*/ +#include "MediaSource.h" +#include "DataSource.h" +#include "MediaBufferGroup.h" +#include "MetaData.h" +namespace android +{ + + +#define DSPshort short +#define DSPerr short +#define DSPushort unsigned short /*!< DSP unsigned integer */ +#define GBL_BYTESPERWRD 2 /*!< Bytes per packed word */ +#define GBL_BITSPERWRD (GBL_BYTESPERWRD*8) /*!< Bytes per packed word */ +#define GBL_SYNCWRD ((DSPshort)0x0b77) /*!< AC-3 frame sync word */ +#define GBL_MAXFSCOD 3 /*!< Number of defined sample rates */ +#define GBL_MAXDDDATARATE 38 /*!< Number of defined data rates */ +#define BSI_BSID_STD 8 /*!< Standard ATSC A/52 bit-stream ID */ +#define BSI_ISDD(bsid) ((bsid) <= BSI_BSID_STD) +#define GBL_MAXCHANCFGS 8 /*!< Maximum number of channel configs */ +#define BSI_BSID_AXE 16 /*!< Annex E bitstream ID */ +#define BSI_ISDDP(bsid) ((bsid) <= BSI_BSID_AXE && (bsid) > 10) +#define BSI_BSID_BITOFFSET 40 /*!< Used to skip ahead to bit-stream ID */ +#define PTR_HEAD_SIZE 20 + + +/*! \brief Bit Stream Operations module decode-side state variable structure */ +typedef struct { + DSPshort *p_pkbuf; /*!< Pointer to bitstream buffer */ + DSPshort pkbitptr; /*!< Bit count within bitstream word */ + DSPshort pkdata; /*!< Current bitstream word */ +#if defined(DEBUG) + const DSPshort *p_start_pkbuf; /*!< Pointer to beginning of bitstream buffer */ +#endif /* defined(DEBUG) */ +} BSOD_BSTRM; + + +const DSPshort gbl_chanary[GBL_MAXCHANCFGS] = { 2, 1, 2, 3, 3, 4, 4, 5 }; +/* audio coding modes */ +enum { GBL_MODE11 = 0, GBL_MODE_RSVD = 0, GBL_MODE10, GBL_MODE20, + GBL_MODE30, GBL_MODE21, GBL_MODE31, GBL_MODE22, GBL_MODE32 + }; + +const DSPushort gbl_msktab[] = { + 0x0000, 0x8000, 0xc000, 0xe000, + 0xf000, 0xf800, 0xfc00, 0xfe00, + 0xff00, 0xff80, 0xffc0, 0xffe0, + 0xfff0, 0xfff8, 0xfffc, 0xfffe, 0xffff +}; + + +/*! Words per frame table based on sample rate and data rate codes */ +const DSPshort gbl_frmsizetab[GBL_MAXFSCOD][GBL_MAXDDDATARATE] = { + /* 48kHz */ + { + 64, 64, 80, 80, 96, 96, 112, 112, + 128, 128, 160, 160, 192, 192, 224, 224, + 256, 256, 320, 320, 384, 384, 448, 448, + 512, 512, 640, 640, 768, 768, 896, 896, + 1024, 1024, 1152, 1152, 1280, 1280 + }, + /* 44.1kHz */ + { + 69, 70, 87, 88, 104, 105, 121, 122, + 139, 140, 174, 175, 208, 209, 243, 244, + 278, 279, 348, 349, 417, 418, 487, 488, + 557, 558, 696, 697, 835, 836, 975, 976, + 1114, 1115, 1253, 1254, 1393, 1394 + }, + /* 32kHz */ + { + 96, 96, 120, 120, 144, 144, 168, 168, + 192, 192, 240, 240, 288, 288, 336, 336, + 384, 384, 480, 480, 576, 576, 672, 672, + 768, 768, 960, 960, 1152, 1152, 1344, 1344, + 1536, 1536, 1728, 1728, 1920, 1920 + } +}; + + + +typedef int (*fp_read_buffer)(unsigned char *, int); +struct AudioMediaSource : public MediaSource { + AudioMediaSource(void *read_buffer); + virtual status_t start(MetaData *params = NULL); + virtual status_t stop(); + virtual sp getFormat(); + virtual status_t read(MediaBuffer **buffer, const ReadOptions *options = NULL); + int GetReadedBytes(); + int SetReadedBytes(int size); + int MediaSourceRead_buffer(unsigned char *buffer, int size); + fp_read_buffer fpread_buffer; + + //---------------------------------------- + DSPerr bsod_init(DSPshort * p_pkbuf, DSPshort pkbitptr, BSOD_BSTRM *p_bstrm); + DSPerr bsod_unprj(BSOD_BSTRM *p_bstrm, DSPshort *p_data, DSPshort numbits); + int Get_ChNum_DD(void *buf); + int Get_ChNum_DDP(void *buf); + DSPerr bsod_skip(BSOD_BSTRM *p_bstrm, DSPshort numbits); + DSPerr bsid_getbsid(BSOD_BSTRM *p_inbstrm, DSPshort *p_bsid); + int Get_ChNum_AC3_Frame(void *buf); + //--------------------------------------- + + int sample_rate; + int ChNum; + int frame_size; + int64_t bytes_readed_sum_pre; + int64_t bytes_readed_sum; + int *pStop_ReadBuf_Flag; +protected: + virtual ~AudioMediaSource(); + +private: + bool mStarted; + sp mDataSource; + sp mMeta; + MediaBufferGroup *mGroup; + int64_t mCurrentTimeUs; + int mBytesReaded; + + AudioMediaSource(const AudioMediaSource &); + AudioMediaSource &operator=(const AudioMediaSource &); +}; + + +} diff --git a/amadec/pcmenc_api.c b/amadec/pcmenc_api.c new file mode 100644 index 0000000..09c3626 --- a/dev/null +++ b/amadec/pcmenc_api.c @@ -0,0 +1,147 @@ +/************************************************************************************* + * @file pcmenc_api.c + * @brief + * + * Detailed description starts here. + * + * @author jian.xu, jian.xu@amlogic.com + * + * @internal + * Created 20124-26 + * Revision v1.0 + * Compiler gcc/g++ + * Company Amlogic Inc. + * Copyright Copyright (c) 2011, herbert.hu + * + * This source code is released for free distribution under the terms of the + * GNU General Public License as published by the Free Software Foundation. + ************************************************************************************* + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "pcmenc_api.h" +#define AUDIODSP_PCMENC_DEV_NAME "/dev/audiodsp_pcmenc" + +static char *map_buf = (void *)-1L; +static unsigned read_offset = 0; +static unsigned buffer_size = 0; +static int dev_fd = -1; +#include +int pcmenc_init() +{ + buffer_size = 0; + read_offset = 0; + dev_fd = -1; + dev_fd = open(AUDIODSP_PCMENC_DEV_NAME, O_RDONLY); + if (dev_fd < 0) { + //printf("can not open %s\n", AUDIODSP_PCMENC_DEV_NAME); + adec_print("can not open %s\n", AUDIODSP_PCMENC_DEV_NAME); + return -1; + } + ioctl(dev_fd, AUDIODSP_PCMENC_GET_RING_BUF_SIZE, &buffer_size); + /* mapping the kernel buffer to user space to acess */ + map_buf = mmap(0, buffer_size, PROT_READ , MAP_PRIVATE, dev_fd, 0); + if (map_buf == (void*)-1L) { + //printf("pcmenc:mmap failed,err id %d \n",errno); + adec_print("pcmenc:mmap failed,err id %d \n", errno); + close(dev_fd); + return -1; + } + return 0; +} +static unsigned pcm_read_num = 0; +static int pcmenc_skip_pcm(int size) +{ + int ring_buf_content = 0; + int len = 0; + int tail = 0; + ioctl(dev_fd, AUDIODSP_PCMENC_GET_RING_BUF_CONTENT, &ring_buf_content); + if (ring_buf_content > size) { + if (read_offset + size > buffer_size) { + //tail = size - read_offset; + tail = buffer_size - read_offset; + // memcpy(inputbuf,map_buf+read_offset,tail); + read_offset = 0; + // memcpy(inputbuf+tail,map_buf+read_offset,size-tail); + read_offset = size - tail; + } else { + // memcpy(inputbuf,map_buf+read_offset,size); + read_offset += size; + + } + pcm_read_num += size; + ioctl(dev_fd, AUDIODSP_PCMENC_SET_RING_BUF_RPTR, read_offset); + return size; + } else { + return 0; + } + +} +int pcmenc_read_pcm(char *inputbuf, uint size) +{ + unsigned int ring_buf_content = 0; + int len = 0; + int tail = 0; + ioctl(dev_fd, AUDIODSP_PCMENC_GET_RING_BUF_CONTENT, &ring_buf_content); + if (ring_buf_content > buffer_size * 4 / 5) { + pcmenc_skip_pcm(size * 4); + memset(inputbuf, 0, size); + adec_print("pcmenc buffer full,skip %d bytes \n", 4 * size); + return size; + + //ioctl(dev_fd, AUDIODSP_PCMENC_GET_RING_BUF_CONTENT, &ring_buf_content); + } + //adec_print("read num %d,countent %d,total %d\n",pcm_read_num,ring_buf_content,pcm_read_num+ring_buf_content); + if (ring_buf_content > size) { + if (read_offset + size > buffer_size) { + //tail = size - read_offset; + tail = buffer_size - read_offset; + memcpy(inputbuf, map_buf + read_offset, tail); + read_offset = 0; + memcpy(inputbuf + tail, map_buf + read_offset, size - tail); + read_offset = size - tail; + } else { + memcpy(inputbuf, map_buf + read_offset, size); + read_offset += size; + + } + pcm_read_num += size; + ioctl(dev_fd, AUDIODSP_PCMENC_SET_RING_BUF_RPTR, read_offset); + return size; + } else { + return 0; + } +} +int pcmenc_get_pcm_info(pcm51_encoded_info_t *info) +{ + int ret; + ret = ioctl(dev_fd, AUDIODSP_PCMENC_GET_PCMINFO, info); + if (ret) { + return ret; + } + adec_print("InfoValidFlag %d,SampFs %d,NumCh %d,AcMode %d,LFEFlag %d,BitsPerSamp %d \n", \ + info->InfoValidFlag, info->SampFs, info->NumCh, info->AcMode, info->LFEFlag, info->BitsPerSamp); + return 0; + +} +int pcmenc_deinit() +{ + pcm_read_num = 0; + + if (map_buf != (void *)-1L) { + munmap(map_buf, buffer_size); + } + if (dev_fd >= 0) { + close(dev_fd); + } + return 0; +} \ No newline at end of file diff --git a/amadec/pcmenc_api.h b/amadec/pcmenc_api.h new file mode 100644 index 0000000..618faf9 --- a/dev/null +++ b/amadec/pcmenc_api.h @@ -0,0 +1,25 @@ +#ifndef __PCMENC_API_H +#define __PCMENC_API_H + +typedef struct pcm51_encoded_info_s { + unsigned int InfoValidFlag; + unsigned int SampFs; + unsigned int NumCh; + unsigned int AcMode; + unsigned int LFEFlag; + unsigned int BitsPerSamp; +} pcm51_encoded_info_t; + + +#define AUDIODSP_PCMENC_GET_RING_BUF_SIZE _IOR('l', 0x01, unsigned long) +#define AUDIODSP_PCMENC_GET_RING_BUF_CONTENT _IOR('l', 0x02, unsigned long) +#define AUDIODSP_PCMENC_GET_RING_BUF_SPACE _IOR('l', 0x03, unsigned long) +#define AUDIODSP_PCMENC_SET_RING_BUF_RPTR _IOW('l', 0x04, unsigned long) +#define AUDIODSP_PCMENC_GET_PCMINFO _IOR('l', 0x05, unsigned long) + + +extern int pcmenc_init(); +extern int pcmenc_read_pcm(char *inputbuf, uint size); +extern int pcmenc_deinit(); +extern int pcmenc_get_pcm_info(pcm51_encoded_info_t *info); +#endif \ No newline at end of file diff --git a/amadec/spdif_api.c b/amadec/spdif_api.c new file mode 100644 index 0000000..58d2788 --- a/dev/null +++ b/amadec/spdif_api.c @@ -0,0 +1,306 @@ +/************************************************************************************* + * @file spdif_api.c + * @brief + * Simple SPDIF test tools + * Detailed description starts here. + * + * @author jian.xu jian.xu@amlogic.com + * + * @internal + * Created 2012-4-19 + * Revision v1.0 + * Compiler gcc/g++ + * Company Amlogic Inc. + * Copyright Copyright (c) 2011, + * + * This source code is released for free distribution under the terms of the + * GNU General Public License as published by the Free Software Foundation. + ************************************************************************************* + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "spdif_api.h" +#include +#define AUDIO_SPDIF_DEV_NAME "/dev/audio_spdif" + +static unsigned hw_rd_offset = 0; +static unsigned wr_offset = 0; +static unsigned iec958_buffer_size = 0; +static int dev_fd = -1; +static int use_kernel_wr = 0x1; +static unsigned stream_type = STREAM_DTS; +static short iec958_buf[6144 / 2]; +static char *map_buf = (void *)-1L; +static unsigned first_write = 1; +#define IEC958_LANTENCY 20 +int iec958_init() +{ + int ret = 0; + iec958_buffer_size = 0; + hw_rd_offset = 0; + wr_offset = 0; + first_write = 1; + dev_fd = open(AUDIO_SPDIF_DEV_NAME, /*O_RDONLY|O_WRONLY*/O_RDWR); + if (dev_fd < 0) { + printf("can not open %s\n", AUDIO_SPDIF_DEV_NAME); + ret = -1; + goto exit; + } + /* call 958 module init here */ + ioctl(dev_fd, AUDIO_SPDIF_SET_958_INIT_PREPARE, 1); + /* get 958 dma buffer size */ + ioctl(dev_fd, AUDIO_SPDIF_GET_958_BUF_SIZE, &iec958_buffer_size); + //adec_print("iec958 buffer size %x\n",iec958_buffer_size); + wr_offset = hw_rd_offset + 4 * 48000 * IEC958_LANTENCY / 1000; //delay + if (wr_offset >= iec958_buffer_size) { + wr_offset = iec958_buffer_size; + } + ioctl(dev_fd, AUDIO_SPDIF_SET_958_WR_OFFSET, &wr_offset); + /* mapping the kernel 958 dma buffer to user space to acess */ + map_buf = mmap(0, iec958_buffer_size, PROT_READ | PROT_WRITE, MAP_SHARED/*MAP_PRIVATE*/, dev_fd, 0); + if (map_buf == (void *)-1L) { + printf("mmap failed,error num %d \n", errno); + ret = -2; + goto exit1; + } + /* enable 958 outout */ + // ioctl(dev_fd, AUDIO_SPDIF_SET_958_ENABLE,1); + return 0; +exit3: + if (map_buf != (void *)-1L) { + munmap(map_buf, iec958_buffer_size); + } +exit1: + if (dev_fd >= 0) { + close(dev_fd); + } +exit: + return ret; +} + +/* + @param in buf, the input buffer for 61937 package,to be modify + @param in frame_size,the input data len + @return , the packaged data length,maybe different than input length +*/ +/* note ::: now fixed on 1.5M dts stream,maybe different */ +int iec958_pack_frame(char *buf, int frame_size) +{ + + short *left, *right, *pp; + int i, j; + if (stream_type == STREAM_AC3) { + iec958_buf[0] = 0xF872; + iec958_buf[1] = 0x4E1F; + iec958_buf[2] = ((/*dd_bsmod*/0 & 7) << 8) | 1; + iec958_buf[3] = frame_size * 8; //frame_size*8;//Pd as the Length-code + memcpy((char*)iec958_buf + 8, buf, frame_size); + memset((char*)iec958_buf + frame_size + 8, 0, 6144 - frame_size - 8); + pp = (short*)iec958_buf; + left = (short*)buf; + right = left + 16; + for (j = 0; j < 6144; j += 64) { + for (i = 0; i < 16 ; i++) { + *left++ = *pp; + pp++; + *right++ = *pp; + pp++; + } + left += 16; + right += 16; + } + return 6144; + } + /* dts iec60937 package according to DTS type and block num per frame */ + else if (stream_type == STREAM_DTS) { + iec958_buf[0] = 0xF872; + iec958_buf[1] = 0x4E1F; + iec958_buf[2] = 11;//2 block per frame,DTS type I + iec958_buf[3] = 2040 * 8; //frame_size*8;//Pd as the Length-code + memcpy((char*)iec958_buf + 8, buf, frame_size); + memset((char*)iec958_buf + frame_size + 8, 0, 6144 - frame_size - 8); + pp = (short*)iec958_buf; + left = (short*)buf; + right = left + 16; + for (j = 0; j < 2048; j += 64) { + for (i = 0; i < 16 ; i++) { + *left++ = *pp; + pp++; + *right++ = *pp; + pp++; + } + left += 16; + right += 16; + } + return 2048; + + } + /*raw wave file */ + else { + memcpy(iec958_buf, buf, frame_size); + pp = (short*)iec958_buf; + left = (short*)buf; + right = left + 16; + for (j = 0; j < frame_size; j += 64) { + for (i = 0; i < 16 ; i++) { + *left++ = *pp; + pp++; + *right++ = *pp; + pp++; + } + left += 16; + right += 16; + } + return (frame_size >> 6) << 6; + } + return 0; +} +#define ALIGN 4096 +static int iec958_buf_space_size(int dev_fd) +{ + int space = 0; + ioctl(dev_fd, AUDIO_SPDIF_GET_958_BUF_RD_OFFSET, &hw_rd_offset); + if (first_write == 1) { + if (hw_rd_offset >= wr_offset || (wr_offset - hw_rd_offset) < (4 * 48000 * IEC958_LANTENCY / 1000)) { + adec_print("reset iec958 hw wr ptr\n"); + wr_offset = hw_rd_offset + 4 * 48000 * IEC958_LANTENCY / 1000; //delay + if (wr_offset >= iec958_buffer_size) { + wr_offset = wr_offset - iec958_buffer_size; + } + } + first_write = 0; + } + if (wr_offset > hw_rd_offset) { + space = iec958_buffer_size + hw_rd_offset - wr_offset; + } else { + space = hw_rd_offset - wr_offset; + } + return space > ALIGN ? (space - ALIGN) : 0/*&(~4095)*/; +} +int iec958_packed_frame_write_958buf(char *buf, int frame_size) +{ + int tail = 0; + int ret; + /* check if i2s enable but 958 not enable */ + int status_958 = 0; + int status_i2s = 0; + ioctl(dev_fd, AUDIO_SPDIF_GET_958_ENABLE_STATUS, &status_958); + if (status_958 == 0) { + ioctl(dev_fd, AUDIO_SPDIF_GET_I2S_ENABLE_STATUS, &status_i2s); + if (status_i2s) { + status_958 = 1; + ioctl(dev_fd, AUDIO_SPDIF_SET_958_ENABLE, status_958); + adec_print("spdif api:enable 958 output\n"); + } else { + adec_print("discard data and wait i2s enable\n"); + return 0;//output are not enable yet,just return and wait + } + } + while (iec958_buf_space_size(dev_fd) < frame_size) { + // printf("iec958 buffer full,space size %d,write size %d\n",iec958_buf_space_size(dev_fd),frame_size); + //adec_print("iec958 buffer full,space size %d,write size %d\n",iec958_buf_space_size(dev_fd),frame_size); + //usleep(5); + return -1; + } + if (wr_offset == iec958_buffer_size) { + wr_offset = 0; + } + if (frame_size + wr_offset > iec958_buffer_size) { + tail = iec958_buffer_size - wr_offset; + ioctl(dev_fd, AUDIO_SPDIF_SET_958_WR_OFFSET, &wr_offset); + //printf("0 tail %d,wr offset %d\n",tail,wr_offset); + if (!use_kernel_wr) { + memcpy(map_buf + wr_offset, buf, tail); + ret = msync(map_buf, iec958_buffer_size, MS_INVALIDATE | MS_SYNC); + if (ret) { + printf("msync0 err %d,error id %d addr %p\n", ret, errno, map_buf + wr_offset); + } + } else { + write(dev_fd, buf, tail); + } + wr_offset = 0; + ioctl(dev_fd, AUDIO_SPDIF_SET_958_WR_OFFSET, &wr_offset); + //printf("1 tail %d,wr offset %d\n",frame_size-tail,wr_offset); + if (!use_kernel_wr) { + memcpy(map_buf, buf + tail, frame_size - tail); + ret = msync(map_buf, iec958_buffer_size, MS_INVALIDATE | MS_SYNC); + if (ret) { + printf("msync1 err %d,error id %d addr %p\n", ret, errno, map_buf); + } + } else { + write(dev_fd, buf + tail, frame_size - tail); + } + wr_offset = frame_size - tail; + ioctl(dev_fd, AUDIO_SPDIF_SET_958_WR_OFFSET, &wr_offset); + + } else { + ioctl(dev_fd, AUDIO_SPDIF_SET_958_WR_OFFSET, &wr_offset); + //printf("2 tail %d,wr offset %d\n",frame_size,wr_offset); + if (!use_kernel_wr) { + memcpy(map_buf + wr_offset, buf, frame_size); + ret = msync(map_buf + wr_offset, frame_size, MS_ASYNC | MS_INVALIDATE); + if (ret) { + printf("msync2 err %d,error id %d addr %p\n", ret, errno, map_buf + wr_offset); + } + } else { + write(dev_fd, buf, frame_size); + } + wr_offset += frame_size; + ioctl(dev_fd, AUDIO_SPDIF_SET_958_WR_OFFSET, &wr_offset); + + } + return 0; +} +int iec958buf_fill_zero() +{ + unsigned int zero_filled_cnt = 0, i2s_status = 0, write_ret = 0; + char zerobuf[2048] = {0}; + ioctl(dev_fd, AUDIO_SPDIF_GET_I2S_ENABLE_STATUS, &i2s_status); + while ((zero_filled_cnt < iec958_buffer_size) && i2s_status) { + write_ret = iec958_packed_frame_write_958buf(zerobuf, 2048); + if (write_ret) { + break; + } + zero_filled_cnt += 2048; + ioctl(dev_fd, AUDIO_SPDIF_GET_I2S_ENABLE_STATUS, &i2s_status); + } + return 0; + +} +/* + @return 0:means 958 hw buffer maybe underrun,may need fill zero data + @return 1:means 958 hw buffer level is fine +*/ +#define IEC958_LEVEL_THREAD 4096 +int iec958_check_958buf_level() +{ + int status_958 = 0; + int hw_958_level = 0; + ioctl(dev_fd, AUDIO_SPDIF_GET_958_ENABLE_STATUS, &status_958); + if (status_958) { + hw_958_level = iec958_buffer_size - iec958_buf_space_size(dev_fd); + if (hw_958_level < IEC958_LEVEL_THREAD) { + return 0; + } + } + return 1; +} +int iec958_deinit() +{ + if (map_buf != (void *)-1L) { + munmap(map_buf, iec958_buffer_size); + } + if (dev_fd >= 0) { + close(dev_fd); + } + return 0; +} diff --git a/amadec/spdif_api.h b/amadec/spdif_api.h new file mode 100644 index 0000000..77aff0a --- a/dev/null +++ b/amadec/spdif_api.h @@ -0,0 +1,26 @@ +#ifndef __SPDIF_API_H__ +#define __SPDIF_API_H__ + +enum { + STREAM_AC3 = 0, + STREAM_DTS, + STREAM_PCM, +}; + +#define AUDIO_SPDIF_GET_958_BUF_SIZE _IOR('s', 0x01, unsigned long) +#define AUDIO_SPDIF_GET_958_BUF_CONTENT _IOR('s', 0x02, unsigned long) +#define AUDIO_SPDIF_GET_958_BUF_SPACE _IOR('s', 0x03, unsigned long) +#define AUDIO_SPDIF_GET_958_BUF_RD_OFFSET _IOR('s', 0x04, unsigned long) +#define AUDIO_SPDIF_GET_958_ENABLE_STATUS _IOR('s', 0x05, unsigned long) +#define AUDIO_SPDIF_GET_I2S_ENABLE_STATUS _IOR('s', 0x06, unsigned long) +#define AUDIO_SPDIF_SET_958_ENABLE _IOW('s', 0x07, unsigned long) +#define AUDIO_SPDIF_SET_958_INIT_PREPARE _IOW('s', 0x08, unsigned long) +#define AUDIO_SPDIF_SET_958_WR_OFFSET _IOW('s', 0x09, unsigned long) + +extern int iec958_init(); +extern int iec958_pack_frame(char *buf, int frame_size); +extern int iec958_packed_frame_write_958buf(char *buf, int frame_size); +extern int iec958_deinit(); +extern int iec958_check_958buf_level(); +extern int iec958buf_fill_zero(); +#endif diff --git a/audio_codec/Android.mk b/audio_codec/Android.mk new file mode 100755 index 0000000..5053e7d --- a/dev/null +++ b/audio_codec/Android.mk @@ -0,0 +1 @@ +include $(call all-subdir-makefiles) diff --git a/audio_codec/config.mk b/audio_codec/config.mk new file mode 100644 index 0000000..a933058 --- a/dev/null +++ b/audio_codec/config.mk @@ -0,0 +1,10 @@ + +LIBAUDIO_PATH:= $(call my-dir)/../ + +LOCAL_C_INCLUDES += \ + $(LIBAUDIO_PATH)/amadec/include \ + $(LIBAUDIO_PATH)/amadec/ \ + +include $(TOP)/hardware/amlogic/media/media_base_config.mk + +LOCAL_C_INCLUDES += $(AMACODEC_PATH)/include/ diff --git a/audio_codec/libadpcm/Android.mk b/audio_codec/libadpcm/Android.mk new file mode 100755 index 0000000..8e840d4 --- a/dev/null +++ b/audio_codec/libadpcm/Android.mk @@ -0,0 +1,12 @@ +LOCAL_PATH := $(call my-dir) + +include $(CLEAR_VARS) + +LOCAL_SHARED_LIBRARIES += libutils libmedia libz libbinder libdl libcutils libc +LOCAL_MODULE := libadpcm +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +LOCAL_ARM_MODE := arm +LOCAL_MODULE_TAGS := optional +include $(LOCAL_PATH)/../config.mk + +include $(BUILD_SHARED_LIBRARY) diff --git a/audio_codec/libadpcm/adpcm.h b/audio_codec/libadpcm/adpcm.h new file mode 100644 index 0000000..c03f2a0 --- a/dev/null +++ b/audio_codec/libadpcm/adpcm.h @@ -0,0 +1,346 @@ +#ifndef AMADEC_ADPCM_H +#define AMADEC_ADPCM_H + + +#define WAVE_TASK_STK_SIZE (2048*4) +#define WAVE_BLOCK_SIZE 2048 + +typedef struct { + unsigned int start; + int size; + unsigned int sr; + unsigned int ch; + unsigned int bps; + int wr; + int blk; + unsigned int sr_factor; + unsigned int last_rd; + unsigned int last_pts; + unsigned int totalSamplePlayed; + unsigned int totalSampleDecoded; + unsigned int totalSample; +} t_adpcm_output_buf_manager; + +//------------------------------------ +//copy from amffmepg/libavcodec/avcodec.h" +enum CodecID { + CODEC_ID_NONE, + + /* video codecs */ + CODEC_ID_MPEG1VIDEO, + CODEC_ID_MPEG2VIDEO, ///< preferred ID for MPEG-1/2 video decoding + CODEC_ID_MPEG2VIDEO_XVMC, + CODEC_ID_H261, + CODEC_ID_H263, + CODEC_ID_RV10, + CODEC_ID_RV20, + CODEC_ID_MJPEG, + CODEC_ID_MJPEGB, + CODEC_ID_LJPEG, + CODEC_ID_SP5X, + CODEC_ID_JPEGLS, + CODEC_ID_MPEG4, + CODEC_ID_RAWVIDEO, + CODEC_ID_MSMPEG4V1, + CODEC_ID_MSMPEG4V2, + CODEC_ID_MSMPEG4V3, + CODEC_ID_WMV1, + CODEC_ID_WMV2, + CODEC_ID_H263P, + CODEC_ID_H263I, + CODEC_ID_FLV1, + CODEC_ID_SVQ1, + CODEC_ID_SVQ3, + CODEC_ID_DVVIDEO, + CODEC_ID_HUFFYUV, + CODEC_ID_CYUV, + CODEC_ID_H264, + CODEC_ID_INDEO3, + CODEC_ID_VP3, + CODEC_ID_THEORA, + CODEC_ID_ASV1, + CODEC_ID_ASV2, + CODEC_ID_FFV1, + CODEC_ID_4XM, + CODEC_ID_VCR1, + CODEC_ID_CLJR, + CODEC_ID_MDEC, + CODEC_ID_ROQ, + CODEC_ID_INTERPLAY_VIDEO, + CODEC_ID_XAN_WC3, + CODEC_ID_XAN_WC4, + CODEC_ID_RPZA, + CODEC_ID_CINEPAK, + CODEC_ID_WS_VQA, + CODEC_ID_MSRLE, + CODEC_ID_MSVIDEO1, + CODEC_ID_IDCIN, + CODEC_ID_8BPS, + CODEC_ID_SMC, + CODEC_ID_FLIC, + CODEC_ID_TRUEMOTION1, + CODEC_ID_VMDVIDEO, + CODEC_ID_MSZH, + CODEC_ID_ZLIB, + CODEC_ID_QTRLE, + CODEC_ID_SNOW, + CODEC_ID_TSCC, + CODEC_ID_ULTI, + CODEC_ID_QDRAW, + CODEC_ID_VIXL, + CODEC_ID_QPEG, + CODEC_ID_XVID, + CODEC_ID_PNG, + CODEC_ID_PPM, + CODEC_ID_PBM, + CODEC_ID_PGM, + CODEC_ID_PGMYUV, + CODEC_ID_PAM, + CODEC_ID_FFVHUFF, + CODEC_ID_RV30, + CODEC_ID_RV40, + CODEC_ID_VC1, + CODEC_ID_WMV3, + CODEC_ID_LOCO, + CODEC_ID_WNV1, + CODEC_ID_AASC, + CODEC_ID_INDEO2, + CODEC_ID_FRAPS, + CODEC_ID_TRUEMOTION2, + CODEC_ID_BMP, + CODEC_ID_CSCD, + CODEC_ID_MMVIDEO, + CODEC_ID_ZMBV, + CODEC_ID_AVS, + CODEC_ID_SMACKVIDEO, + CODEC_ID_NUV, + CODEC_ID_KMVC, + CODEC_ID_FLASHSV, + CODEC_ID_CAVS, + CODEC_ID_JPEG2000, + CODEC_ID_VMNC, + CODEC_ID_VP5, + CODEC_ID_VP6, + CODEC_ID_VP6F, + CODEC_ID_TARGA, + CODEC_ID_DSICINVIDEO, + CODEC_ID_TIERTEXSEQVIDEO, + CODEC_ID_TIFF, + CODEC_ID_GIF, + CODEC_ID_FFH264, + CODEC_ID_DXA, + CODEC_ID_DNXHD, + CODEC_ID_THP, + CODEC_ID_SGI, + CODEC_ID_C93, + CODEC_ID_BETHSOFTVID, + CODEC_ID_PTX, + CODEC_ID_TXD, + CODEC_ID_VP6A, + CODEC_ID_AMV, + CODEC_ID_VB, + CODEC_ID_PCX, + CODEC_ID_SUNRAST, + CODEC_ID_INDEO4, + CODEC_ID_INDEO5, + CODEC_ID_MIMIC, + CODEC_ID_RL2, + CODEC_ID_8SVX_EXP, + CODEC_ID_8SVX_FIB, + CODEC_ID_ESCAPE124, + CODEC_ID_DIRAC, + CODEC_ID_BFI, + CODEC_ID_CMV, + CODEC_ID_MOTIONPIXELS, + CODEC_ID_TGV, + CODEC_ID_TGQ, + CODEC_ID_TQI, + CODEC_ID_AURA, + CODEC_ID_AURA2, + CODEC_ID_V210X, + CODEC_ID_TMV, + CODEC_ID_V210, + CODEC_ID_DPX, + CODEC_ID_MAD, + CODEC_ID_FRWU, + CODEC_ID_FLASHSV2, + CODEC_ID_CDGRAPHICS, + CODEC_ID_R210, + CODEC_ID_ANM, + CODEC_ID_BINKVIDEO, + CODEC_ID_IFF_ILBM, + CODEC_ID_IFF_BYTERUN1, + CODEC_ID_KGV1, + CODEC_ID_YOP, + CODEC_ID_VP8, + CODEC_ID_PICTOR, + CODEC_ID_ANSI, + CODEC_ID_A64_MULTI, + CODEC_ID_A64_MULTI5, + CODEC_ID_R10K, + CODEC_ID_MXPEG, + CODEC_ID_LAGARITH, + CODEC_ID_PRORES, + CODEC_ID_JV, + CODEC_ID_DFA, + CODEC_ID_8SVX_RAW, + + /* H264 MVC type */ + CODEC_ID_H264MVC, + + /* various PCM "codecs" */ + CODEC_ID_PCM_S16LE = 0x10000, + CODEC_ID_PCM_S16BE, + CODEC_ID_PCM_U16LE, + CODEC_ID_PCM_U16BE, + CODEC_ID_PCM_S8, + CODEC_ID_PCM_U8, + CODEC_ID_PCM_MULAW, + CODEC_ID_PCM_ALAW, + CODEC_ID_PCM_S32LE, + CODEC_ID_PCM_S32BE, + CODEC_ID_PCM_U32LE, + CODEC_ID_PCM_U32BE, + CODEC_ID_PCM_S24LE, + CODEC_ID_PCM_S24BE, + CODEC_ID_PCM_U24LE, + CODEC_ID_PCM_U24BE, + CODEC_ID_PCM_S24DAUD, + CODEC_ID_PCM_ZORK, + CODEC_ID_PCM_S16LE_PLANAR, + CODEC_ID_PCM_DVD, + CODEC_ID_PCM_F32BE, + CODEC_ID_PCM_F32LE, + CODEC_ID_PCM_F64BE, + CODEC_ID_PCM_F64LE, + CODEC_ID_PCM_BLURAY, + CODEC_ID_PCM_LXF, + CODEC_ID_S302M, + CODEC_ID_PCM_WIFIDISPLAY, + + /* various ADPCM codecs */ + CODEC_ID_ADPCM_IMA_QT = 0x11000, + CODEC_ID_ADPCM_IMA_WAV, + CODEC_ID_ADPCM_IMA_DK3, + CODEC_ID_ADPCM_IMA_DK4, + CODEC_ID_ADPCM_IMA_WS, + CODEC_ID_ADPCM_IMA_SMJPEG, + CODEC_ID_ADPCM_MS, + CODEC_ID_ADPCM_4XM, + CODEC_ID_ADPCM_XA, + CODEC_ID_ADPCM_ADX, + CODEC_ID_ADPCM_EA, + CODEC_ID_ADPCM_G726, + CODEC_ID_ADPCM_CT, + CODEC_ID_ADPCM_SWF, + CODEC_ID_ADPCM_YAMAHA, + CODEC_ID_ADPCM_SBPRO_4, + CODEC_ID_ADPCM_SBPRO_3, + CODEC_ID_ADPCM_SBPRO_2, + CODEC_ID_ADPCM_THP, + CODEC_ID_ADPCM_IMA_AMV, + CODEC_ID_ADPCM_EA_R1, + CODEC_ID_ADPCM_EA_R3, + CODEC_ID_ADPCM_EA_R2, + CODEC_ID_ADPCM_IMA_EA_SEAD, + CODEC_ID_ADPCM_IMA_EA_EACS, + CODEC_ID_ADPCM_EA_XAS, + CODEC_ID_ADPCM_EA_MAXIS_XA, + CODEC_ID_ADPCM_IMA_ISS, + CODEC_ID_ADPCM_G722, + + /* AMR */ + CODEC_ID_AMR_NB = 0x12000, + CODEC_ID_AMR_WB, + + /* RealAudio codecs*/ + CODEC_ID_RA_144 = 0x13000, + CODEC_ID_RA_288, + + /* various DPCM codecs */ + CODEC_ID_ROQ_DPCM = 0x14000, + CODEC_ID_INTERPLAY_DPCM, + CODEC_ID_XAN_DPCM, + CODEC_ID_SOL_DPCM, + + /* audio codecs */ + CODEC_ID_MP2 = 0x15000, + CODEC_ID_MP3, ///< preferred ID for decoding MPEG audio layer 1, 2 or 3 + CODEC_ID_AAC, + CODEC_ID_AC3, + CODEC_ID_DTS, + CODEC_ID_VORBIS, + CODEC_ID_DVAUDIO, + CODEC_ID_WMAV1, + CODEC_ID_WMAV2, + CODEC_ID_MACE3, + CODEC_ID_MACE6, + CODEC_ID_VMDAUDIO, + CODEC_ID_SONIC, + CODEC_ID_SONIC_LS, + CODEC_ID_FLAC, + CODEC_ID_MP3ADU, + CODEC_ID_MP3ON4, + CODEC_ID_SHORTEN, + CODEC_ID_ALAC, + CODEC_ID_WESTWOOD_SND1, + CODEC_ID_GSM, ///< as in Berlin toast format + CODEC_ID_QDM2, + CODEC_ID_COOK, + CODEC_ID_TRUESPEECH, + CODEC_ID_TTA, + CODEC_ID_SMACKAUDIO, + CODEC_ID_QCELP, + CODEC_ID_WAVPACK, + CODEC_ID_DSICINAUDIO, + CODEC_ID_IMC, + CODEC_ID_MUSEPACK7, + CODEC_ID_MLP, + CODEC_ID_GSM_MS, /* as found in WAV */ + CODEC_ID_ATRAC3, + CODEC_ID_VOXWARE, + CODEC_ID_APE, + CODEC_ID_NELLYMOSER, + CODEC_ID_MUSEPACK8, + CODEC_ID_SPEEX, + CODEC_ID_WMAVOICE, + CODEC_ID_WMAPRO, + CODEC_ID_WMALOSSLESS, + CODEC_ID_ATRAC3P, + CODEC_ID_EAC3, + CODEC_ID_SIPR, + CODEC_ID_MP1, + CODEC_ID_TWINVQ, + CODEC_ID_TRUEHD, + CODEC_ID_MP4ALS, + CODEC_ID_ATRAC1, + CODEC_ID_BINKAUDIO_RDFT, + CODEC_ID_BINKAUDIO_DCT, + CODEC_ID_AAC_LATM, + CODEC_ID_QDMC, + CODEC_ID_CELT, + + /* subtitle codecs */ + CODEC_ID_DVD_SUBTITLE = 0x17000, + CODEC_ID_DVB_SUBTITLE, + CODEC_ID_TEXT, ///< raw UTF-8 text + CODEC_ID_XSUB, + CODEC_ID_SSA, + CODEC_ID_MOV_TEXT, + CODEC_ID_HDMV_PGS_SUBTITLE, + CODEC_ID_DVB_TELETEXT, + CODEC_ID_SRT, + CODEC_ID_MICRODVD, + + /* other specific kind of codecs (generally used for attachments) */ + CODEC_ID_TTF = 0x18000, + + CODEC_ID_PROBE = 0x19000, ///< codec_id is not known (like CODEC_ID_NONE) but lavf should attempt to identify it + + CODEC_ID_MPEG2TS = 0x20000, /**< _FAKE_ codec to indicate a raw MPEG-2 TS + * stream (only used by libavformat) */ + CODEC_ID_FFMETADATA = 0x21000, ///< Dummy codec for streams containing only metadata information. +}; + + +#endif diff --git a/audio_codec/libadpcm/adpcm_decode.c b/audio_codec/libadpcm/adpcm_decode.c new file mode 100644 index 0000000..8f7f5ca --- a/dev/null +++ b/audio_codec/libadpcm/adpcm_decode.c @@ -0,0 +1,841 @@ +#define LOG_TAG "AdpcmDecoder" + +#include +#include +#include "adpcm.h" +#include "../../amadec/adec-armdec-mgt.h" +#include "../../amadec/audio-dec.h" +#include +#include +#include +#include +#define PRINTF(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) + + +typedef struct { + int ValidDataLen; + int UsedDataLen; + unsigned char *BufStart; + unsigned char *pcur; +} pcm_read_ctl_t; + + +static int pcm_read_init(pcm_read_ctl_t *pcm_read_ctx, unsigned char* inbuf, int size) +{ + pcm_read_ctx->ValidDataLen = size; + pcm_read_ctx->UsedDataLen = 0; + pcm_read_ctx->BufStart = inbuf; + pcm_read_ctx->pcur = inbuf; + return 0; +} + +static int pcm_read(pcm_read_ctl_t *pcm_read_ctx, unsigned char* outbuf, int size) +{ + int bytes_read = 0; + if (size <= pcm_read_ctx->ValidDataLen) { + memcpy(outbuf, pcm_read_ctx->pcur, size); + pcm_read_ctx->ValidDataLen -= size; + pcm_read_ctx->UsedDataLen += size; + pcm_read_ctx->pcur += size; + bytes_read = size; + } + return bytes_read; +} + +struct t_wave_buf { + void *addr; + unsigned size; +}; +static unsigned wave_timestamplen = 0; +static unsigned wave_timestamp = 0; + +static int adpcm_step[89] = { + 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, + 19, 21, 23, 25, 28, 31, 34, 37, 41, 45, + 50, 55, 60, 66, 73, 80, 88, 97, 107, 118, + 130, 143, 157, 173, 190, 209, 230, 253, 279, 307, + 337, 371, 408, 449, 494, 544, 598, 658, 724, 796, + 876, 963, 1060, 1166, 1282, 1411, 1552, 1707, 1878, 2066, + 2272, 2499, 2749, 3024, 3327, 3660, 4026, 4428, 4871, 5358, + 5894, 6484, 7132, 7845, 8630, 9493, 10442, 11487, 12635, 13899, + 15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767 +}; + +static int adpcm_index[16] = { + -1, -1, -1, -1, 2, 4, 6, 8, + -1, -1, -1, -1, 2, 4, 6, 8 +}; + +// useful macros +// clamp a number between 0 and 88 +#define CLAMP_0_TO_88(x) if (x < 0) x = 0; else if (x > 88) x = 88; +// clamp a number within a signed 16-bit range +#define CLAMP_S16(x) if (x < -32768) x = -32768; \ + else if (x > 32767) x = 32767; +// clamp a number above 16 +#define CLAMP_ABOVE_16(x) if (x < 16) x = 16; +// sign extend a 16-bit value +#define SE_16BIT(x) if (x & 0x8000) x -= 0x10000; +// sign extend a 4-bit value +#define SE_4BIT(x) if (x & 0x8) x -= 0x10; +static t_adpcm_output_buf_manager g_mgr; +static int block_align = 0; +static int offset = 0; +//extern unsigned char buffer[1024*64]; +static unsigned char *pwavebuf = NULL; +static struct t_wave_buf wave_decoder_buffer[] = {{0, 0}, {0, 0}}; // 0 - stream, 1 - pcm + + +static int adpcm_init(aml_audio_dec_t *audec) +{ + audio_decoder_operations_t *adec_ops = (audio_decoder_operations_t *)audec->adec_ops; + PRINTF("[%s]audec->format/%d adec_ops->samplerate/%d adec_ops->channels/%d\n", + __FUNCTION__, audec->format, adec_ops->samplerate, adec_ops->channels); + + wave_decoder_buffer[0].addr = malloc(WAVE_BLOCK_SIZE); + if (wave_decoder_buffer[0].addr == 0) { + PRINTF("[%s %d]Error: malloc adpcm buffer failed!\n", __FUNCTION__, __LINE__); + return -1; + } + wave_decoder_buffer[0].size = WAVE_BLOCK_SIZE; + wave_decoder_buffer[1].addr = malloc(WAVE_BLOCK_SIZE * 4 * 4); + if (wave_decoder_buffer[1].addr == 0) { + PRINTF("[%s %d]Error: malloc adpcm buffer failed!\n", __FUNCTION__, __LINE__); + return -1; + } + adec_ops->nInBufSize = WAVE_BLOCK_SIZE; + adec_ops->nOutBufSize = 0; + wave_decoder_buffer[1].size = WAVE_BLOCK_SIZE * 4 * 4; // 2byte, 2ch, compress ratio 4 + g_mgr.start = 0; + g_mgr.size = 0; + g_mgr.bps = audec->data_width; + g_mgr.ch = adec_ops->channels; + g_mgr.sr = adec_ops->samplerate; + g_mgr.wr = 0; + g_mgr.last_rd = 0; + g_mgr.totalSample = 0; + g_mgr.totalSamplePlayed = 0; + g_mgr.totalSampleDecoded = 0; + g_mgr.last_pts = 0; + g_mgr.blk = 0; + + block_align = audec->block_align; + wave_timestamplen = 0; + PRINTF("[%s %d]block_align/%d audec->codec_id/0x%x\n", __FUNCTION__, __LINE__, block_align, audec->codec_id); + return 0; +} + +#define CHECK_DATA_ENOUGH_SUB(Ctl,NeedBytes,UsedSetIfNo) { \ + if((Ctl)->ValidDataLen < (NeedBytes)){ \ + PRINTF("[%s %d]NOTE--> no enough data\n",__FUNCTION__,__LINE__);\ + (Ctl)->UsedDataLen-=(UsedSetIfNo); \ + return -1; \ + } \ +} + +#define CHECK_DATA_ENOUGH_SET(Ctl,NeedBytes,UsedSetIfNo) { \ + if((Ctl)->ValidDataLen < (NeedBytes)){ \ + PRINTF("[%s %d]NOTE--> no enough data\n",__FUNCTION__,__LINE__);\ + (Ctl)->UsedDataLen=(UsedSetIfNo); \ + return -1; \ + } \ +} + +static int refill(aml_audio_dec_t *audec, pcm_read_ctl_t *pcm_read_ctx, unsigned char* buf, int len) +{ + static unsigned refill_timestamp_len = 0; + unsigned char *pbuf = buf; + unsigned char tmp_a = 0; + unsigned char tmp_p = 0; + unsigned char tmp_t = 0; + unsigned char tmp_s = 0; + int len_bak = len; + int tmp = 0; + if (wave_timestamplen == 0) { // when no apts found + unsigned char timestamp[4] = {0}; + unsigned char block_length[4] = {0}; + + CHECK_DATA_ENOUGH_SET(pcm_read_ctx, 4, 0) + pcm_read(pcm_read_ctx, &tmp_a, 1); + pcm_read(pcm_read_ctx, &tmp_p, 1); + pcm_read(pcm_read_ctx, &tmp_t, 1); + pcm_read(pcm_read_ctx, &tmp_s, 1); + + if (tmp_a == 'A' && tmp_p == 'P' && tmp_t == 'T' && tmp_s == 'S') { + CHECK_DATA_ENOUGH_SET(pcm_read_ctx, 8, 0) + pcm_read(pcm_read_ctx, timestamp, 4); + wave_timestamp = (timestamp[0] << 24) | (timestamp[1] << 16) | (timestamp[2] << 8) | (timestamp[3]); + pcm_read(pcm_read_ctx, block_length, 4); + wave_timestamplen = (block_length[0] << 24) | (block_length[1] << 16) | (block_length[2] << 8) | (block_length[3]); + refill_timestamp_len = wave_timestamplen; + + CHECK_DATA_ENOUGH_SET(pcm_read_ctx, refill_timestamp_len, 0) + + } else if (tmp_a == 'R' && tmp_p == 'I' && tmp_t == 'F' && tmp_s == 'F') { + if ((audec->codec_id == CODEC_ID_ADPCM_IMA_WAV) || (audec->codec_id == CODEC_ID_ADPCM_MS)) { + tmp = len; + while (tmp) { + CHECK_DATA_ENOUGH_SET(pcm_read_ctx, 8, 0) + pcm_read(pcm_read_ctx, ×tamp[0], 1); + tmp --; + if (timestamp[0] == 'd') { + pcm_read(pcm_read_ctx, ×tamp[1], 3); + tmp -= 3; + if ((timestamp[0] == 'd') && (timestamp[1] == 'a') && (timestamp[2] == 't') && (timestamp[3] == 'a')) { + break; + } + } + } + pcm_read(pcm_read_ctx, timestamp, 4); + wave_timestamplen = 0; + wave_timestamp = 0xffffffff; + + CHECK_DATA_ENOUGH_SUB(pcm_read_ctx, len, 0) + } else { + *pbuf++ = tmp_a; + *pbuf++ = tmp_p; + *pbuf++ = tmp_t; + *pbuf++ = tmp_s; + len -= 4; + wave_timestamplen = 0; + wave_timestamp = 0xffffffff; + + CHECK_DATA_ENOUGH_SET(pcm_read_ctx, len, 0) + } + } else { + *pbuf++ = tmp_a; + *pbuf++ = tmp_p; + *pbuf++ = tmp_t; + *pbuf++ = tmp_s; + len -= 4; + CHECK_DATA_ENOUGH_SET(pcm_read_ctx, len, 0) + wave_timestamplen = 0; + wave_timestamp = 0xffffffff; + } + } + + if (wave_timestamplen) { + pcm_read(pcm_read_ctx, pbuf, refill_timestamp_len); + return refill_timestamp_len; + } else { + pcm_read(pcm_read_ctx, pbuf, len); + return len_bak; + } + +} + +/*IMA ADPCM*/ +#define le2me_16(x) (x) +#define MS_IMA_ADPCM_PREAMBLE_SIZE 4 +#define LE_16(x) (le2me_16(*(unsigned short *)(x))) + +static void decode_nibbles(unsigned short *output, + int output_size, int channels, + int predictor_l, int index_l, + int predictor_r, int index_r) +{ + int step[2]; + int predictor[2]; + int index[2]; + int diff; + int i; + int sign; + int delta; + int channel_number = 0; + + step[0] = adpcm_step[index_l]; + step[1] = adpcm_step[index_r]; + predictor[0] = predictor_l; + predictor[1] = predictor_r; + index[0] = index_l; + index[1] = index_r; + + for (i = 0; i < output_size; i++) { + delta = output[i]; + + index[channel_number] += adpcm_index[delta]; + CLAMP_0_TO_88(index[channel_number]); + + sign = delta & 8; + delta = delta & 7; + + diff = step[channel_number] >> 3; + if (delta & 4) { + diff += step[channel_number]; + } + if (delta & 2) { + diff += step[channel_number] >> 1; + } + if (delta & 1) { + diff += step[channel_number] >> 2; + } + + if (sign) { + predictor[channel_number] -= diff; + } else { + predictor[channel_number] += diff; + } + + CLAMP_S16(predictor[channel_number]); + output[i] = predictor[channel_number]; + step[channel_number] = adpcm_step[index[channel_number]]; + + // toggle channel + channel_number ^= channels - 1; + + } +} + +static int ima_adpcm_decode_block(unsigned short *output, + unsigned char *input, int channels, int block_size) +{ + int predictor_l = 0; + int predictor_r = 0; + int index_l = 0; + int index_r = 0; + int i; + int channel_counter; + int channel_index; + int channel_index_l; + int channel_index_r; + + predictor_l = LE_16(&input[0]); + SE_16BIT(predictor_l); + index_l = input[2]; + if (channels == 2) { + predictor_r = LE_16(&input[4]); + SE_16BIT(predictor_r); + index_r = input[6]; + } + + if (channels == 1) + for (i = 0; i < (block_size - MS_IMA_ADPCM_PREAMBLE_SIZE * channels); i++) { + output[i * 2 + 0] = input[MS_IMA_ADPCM_PREAMBLE_SIZE + i] & 0x0F; + output[i * 2 + 1] = input[MS_IMA_ADPCM_PREAMBLE_SIZE + i] >> 4; + } + else { + // encoded as 8 nibbles (4 bytes) per channel; switch channel every + // 4th byte + channel_counter = 0; + channel_index_l = 0; + channel_index_r = 1; + channel_index = channel_index_l; + for (i = 0; + i < (block_size - MS_IMA_ADPCM_PREAMBLE_SIZE * channels); i++) { + output[channel_index + 0] = + input[MS_IMA_ADPCM_PREAMBLE_SIZE * 2 + i] & 0x0F; + output[channel_index + 2] = + input[MS_IMA_ADPCM_PREAMBLE_SIZE * 2 + i] >> 4; + channel_index += 4; + channel_counter++; + if (channel_counter == 4) { + channel_index_l = channel_index; + channel_index = channel_index_r; + } else if (channel_counter == 8) { + channel_index_r = channel_index; + channel_index = channel_index_l; + channel_counter = 0; + } + } + } + + decode_nibbles(output, + (block_size - MS_IMA_ADPCM_PREAMBLE_SIZE * channels) * 2, + channels, + predictor_l, index_l, + predictor_r, index_r); + + return (block_size - MS_IMA_ADPCM_PREAMBLE_SIZE * channels) * 2; +} +#define MSADPCM_ADAPT_COEFF_COUNT 7 +static int AdaptationTable [] = { + 230, 230, 230, 230, 307, 409, 512, 614, + 768, 614, 512, 409, 307, 230, 230, 230 +} ; + +/* TODO : The first 7 coef's are are always hardcode and must +appear in the actual WAVE file. They should be read in +in case a sound program added extras to the list. */ + +static int AdaptCoeff1 [MSADPCM_ADAPT_COEFF_COUNT] = { + 256, 512, 0, 192, 240, 460, 392 +} ; + +static int AdaptCoeff2 [MSADPCM_ADAPT_COEFF_COUNT] = { + 0, -256, 0, 64, 0, -208, -232 +} ; + +static int ms_adpcm_decode_block(short *pcm_buf, unsigned char *buf, int channel, int block) +{ + int sampleblk = 2036; + short bpred[2]; + short idelta[2]; + int blockindx = 0; + int sampleindx = 0; + short bytecode = 0; + int predict = 0; + int current = 0; + int delta = 0; + int i = 0; + int j = 0; + short s0 = 0; + short s1 = 0; + short s2 = 0; + short s3 = 0; + short s4 = 0; + short s5 = 0; + + //sampleblk = sample_block; + j = 0; + if (channel == 1) { + bpred[0] = buf[0]; + bpred[1] = 0; + if (bpred[0] >= 7) { + //printf("sync error\n"); + //goto _exit; + } + idelta[0] = buf[1] | buf[2] << 8; + idelta[1] = 0; + + s1 = buf[3] | buf[4] << 8; + s0 = buf[5] | buf[6] << 8; + + blockindx = 7; + sampleindx = 2; + } else if (channel == 2) { + bpred[0] = buf[0]; + bpred[1] = buf[1]; + if (bpred[0] >= 7 || bpred[1] >= 7) { + //printf("sync error\n"); + //goto _exit; + } + idelta[0] = buf[2] | buf[3] << 8; + idelta[1] = buf[4] | buf[5] << 8; + + s2 = buf[6] | buf[7] << 8; + s3 = buf[8] | buf[9] << 8; + s0 = buf[10] | buf[11] << 8; + s1 = buf[12] | buf[13] << 8; + blockindx = 14; + sampleindx = 4; + } + + /*-------------------------------------------------------- + This was left over from a time when calculations were done + as ints rather than shorts. Keep this around as a reminder + in case I ever find a file which decodes incorrectly. + + if (chan_idelta [0] & 0x8000) + chan_idelta [0] -= 0x10000 ; + if (chan_idelta [1] & 0x8000) + chan_idelta [1] -= 0x10000 ; + --------------------------------------------------------*/ + + /* Pull apart the packed 4 bit samples and store them in their + ** correct sample positions. + */ + + /* Decode the encoded 4 bit samples. */ + int chan; + + for (i = channel * 2;/*i> 4) & 0x0f; + s3 = bytecode & 0x0f; + } else if (channel == 2) { + s4 = (bytecode >> 4) & 0x0f; + s5 = bytecode & 0x0f; + } + sampleindx++; + sampleindx++; + + } + } + chan = (channel > 1) ? (i % 2) : 0; + + if (channel == 1) { + bytecode = s2 & 0x0f; + } else if (channel == 2) { + bytecode = s4 & 0x0f; + } + /* Compute next Adaptive Scale Factor (ASF) */ + delta = idelta[chan]; + + /* => / 256 => FIXED_POINT_ADAPTATION_BASE == 256 */ + idelta[chan] = (AdaptationTable[bytecode] * delta) >> 8; + + if (idelta[chan] < 16) { + idelta[chan] = 16; + } + if (bytecode & 0x8) { + bytecode -= 0x10; + } + /* => / 256 => FIXED_POINT_COEFF_BASE == 256 */ + + if (channel == 1) { + predict = s1 * AdaptCoeff1[bpred[chan]]; + predict += s0 * AdaptCoeff2[bpred[chan]]; + } else if (channel == 2) { + predict = s2 * AdaptCoeff1[bpred[chan]]; + predict += s0 * AdaptCoeff2[bpred[chan]]; + } + + predict >>= 8; + current = bytecode * delta + predict; +#if 1 + if (current > 32767) { + current = 32767 ; + } else if (current < -32768) { + current = -32768 ; + } +#else + current = _min(current, 32767); + current = _max(current, -32768); +#endif + if (channel == 1) { + s2 = current; + } else if (channel == 2) { + s4 = current; + } + + pcm_buf[j++] = s0; + + if (channel == 1) { + s0 = s1; + s1 = s2; + s2 = s3; + } else if (channel == 2) { + s0 = s1; + s1 = s2; + s2 = s3; + s3 = s4; + s4 = s5; + } + } + + if (channel == 1) { + pcm_buf[j++] = s0; + pcm_buf[j++] = s1; + } else if (channel == 2) { + pcm_buf[j++] = s0; + pcm_buf[j++] = s1; + pcm_buf[j++] = s2; + pcm_buf[j++] = s3; + } + + return j; +} + + +/* + * u-law, A-law and linear PCM conversions. + */ + +#define SIGN_BIT (0x80) /* Sign bit for a A-law byte. */ +#define QUANT_MASK (0xf) /* Quantization field mask. */ +#define NSEGS (8) /* Number of A-law segments. */ +#define SEG_SHIFT (4) /* Left shift for segment number. */ +#define SEG_MASK (0x70) /* Segment field mask. */ +//static short seg_end[8] = {0xFF, 0x1FF, 0x3FF, 0x7FF, 0xFFF, 0x1FFF, 0x3FFF, 0x7FFF}; +#define BIAS (0x84) /* Bias for linear code. */ + +/* + * alaw2linear() - Convert an A-law value to 16-bit linear PCM + * + */ +int alaw2linear(unsigned char a_val) +{ + int t; + int seg; + a_val ^= 0x55; + t = (a_val & QUANT_MASK) << 4; + seg = ((unsigned)a_val & SEG_MASK) >> SEG_SHIFT; + switch (seg) { + case 0: + t += 8; + break; + case 1: + t += 0x108; + break; + default: + t += 0x108; + t <<= seg - 1; + } + return ((a_val & SIGN_BIT) ? t : -t); +} +/* + * ulaw2linear() - Convert a u-law value to 16-bit linear PCM + * + * First, a biased linear code is derived from the code word. An unbiased + * output can then be obtained by subtracting 33 from the biased code. + * + * Note that this function expects to be passed the complement of the + * original code word. This is in keeping with ISDN conventions. + */ +int ulaw2linear(unsigned char u_val) +{ + int t; + /* Complement to obtain normal u-law value. */ + u_val = ~u_val; + /* + * Extract and bias the quantization bits. Then + * shift up by the segment number and subtract out the bias. + */ + t = ((u_val & QUANT_MASK) << 3) + BIAS; + t <<= ((unsigned)u_val & SEG_MASK) >> SEG_SHIFT; + return ((u_val & SIGN_BIT) ? (BIAS - t) : (t - BIAS)); +} + +int runalawdecoder(aml_audio_dec_t *audec, pcm_read_ctl_t *pcm_read_ctx, unsigned char *buf, int len) +{ + int i = 0; + int tmp = 0; + short *pcm_buf = (short*)wave_decoder_buffer[1].addr; + + tmp = refill(audec, pcm_read_ctx, pwavebuf, WAVE_BLOCK_SIZE); + if (tmp < 0) { + return -1; + } + for (i = 0; i < tmp; i++) { + pcm_buf[i] = alaw2linear(pwavebuf[i]); + } + memcpy(buf, (char*)pcm_buf, 2 * WAVE_BLOCK_SIZE); + return (WAVE_BLOCK_SIZE) * 2; +} +int runulawdecoder(aml_audio_dec_t *audec, pcm_read_ctl_t *pcm_read_ctx, unsigned char *buf, int len) +{ + int i = 0; + short *pcm_buf = (short*)wave_decoder_buffer[1].addr; + int tmp = 0; + + tmp = refill(audec, pcm_read_ctx, pwavebuf, WAVE_BLOCK_SIZE); + if (tmp < 0) { + return -1; + } + for (i = 0; i < tmp; i++) { + pcm_buf[i] = ulaw2linear(pwavebuf[i]); + } + memcpy(buf, (char*)pcm_buf, 2 * WAVE_BLOCK_SIZE); + return (WAVE_BLOCK_SIZE) * 2; + +} +int runimaadpcmdecoder(aml_audio_dec_t *audec, pcm_read_ctl_t *pcm_read_ctx, unsigned char *buf, int len) +{ + short *pcm_buf = (short*)wave_decoder_buffer[1].addr; + int Output_Size = 0; + int tmp = 0; + char buffer[5]; + unsigned block_size = 0; + int UsedDataLenSave = 0; + if (!block_align) { + CHECK_DATA_ENOUGH_SET(pcm_read_ctx, 4, 0) + pcm_read(pcm_read_ctx, buffer, 4); + while (1) { + if ((buffer[0] == 0x11) && (buffer[1] == 0x22) && (buffer[2] == 0x33) && (buffer[3] == 0x44)) { //sync word + break; + } + CHECK_DATA_ENOUGH_SUB(pcm_read_ctx, 1, 3) + pcm_read(pcm_read_ctx, &buffer[4], 1); + memmove(buffer, &buffer[1], 4); + } + CHECK_DATA_ENOUGH_SUB(pcm_read_ctx, 2, 4) + pcm_read(pcm_read_ctx, buffer, 2); + + block_size = (buffer[0] << 8) | buffer[1]; + CHECK_DATA_ENOUGH_SUB(pcm_read_ctx, block_size, 6) + } else { + block_size = block_align; + CHECK_DATA_ENOUGH_SET(pcm_read_ctx, block_size, 0) + } + + if (block_size < 4) { + PRINTF("[%s %d]imaadpcm block align not valid: %d\n", __FUNCTION__, __LINE__, block_size); + return 0; + } + + UsedDataLenSave = pcm_read_ctx->UsedDataLen; + tmp = refill(audec, pcm_read_ctx, pwavebuf, block_size); + if (tmp < 0) { + pcm_read_ctx->UsedDataLen = UsedDataLenSave; + return -1; + } + + if (tmp != block_size) { + PRINTF("[%s %d]imaadpcm: data missalign\n", __FUNCTION__, __LINE__); + } + Output_Size = ima_adpcm_decode_block((unsigned short *)pcm_buf, pwavebuf, g_mgr.ch, block_size); + memcpy(buf, (char*)pcm_buf, 2 * Output_Size); + return Output_Size * 2; + +} + +int runmsadpcmdecoder(aml_audio_dec_t *audec, pcm_read_ctl_t *pcm_read_ctx, unsigned char *buf, int len) +{ + short *pcm_buf = (short*)wave_decoder_buffer[1].addr; + int Output_Size = 0; + unsigned tmp = 0; + char buffer[5]; + unsigned block_size = 0; + int UsedDataLenSave = 0; + if (!block_align) { + CHECK_DATA_ENOUGH_SET(pcm_read_ctx, 4, 0) + pcm_read(pcm_read_ctx, buffer, 4); + while (1) { + if ((buffer[0] == 0x11) && (buffer[1] == 0x22) && (buffer[2] == 0x33) && (buffer[3] == 0x44)) { //sync word + break; + } + CHECK_DATA_ENOUGH_SUB(pcm_read_ctx, 1, 3) + pcm_read(pcm_read_ctx, &buffer[4], 1); + memmove(buffer, &buffer[1], 4); + } + + CHECK_DATA_ENOUGH_SUB(pcm_read_ctx, 2, 4) + pcm_read(pcm_read_ctx, buffer, 2); + block_size = (buffer[0] << 8) | buffer[1]; + CHECK_DATA_ENOUGH_SUB(pcm_read_ctx, block_size, 6) + } else { + block_size = block_align; + CHECK_DATA_ENOUGH_SET(pcm_read_ctx, block_size, 0) + } + + if (block_size < 4) { + PRINTF("[%s %d]msadpcm block align not valid: %d\n", __FUNCTION__, __LINE__, block_size); + return 0; + } + + UsedDataLenSave = pcm_read_ctx->UsedDataLen; + tmp = refill(audec, pcm_read_ctx, pwavebuf, block_size); + if (tmp < 0) { + pcm_read_ctx->UsedDataLen = UsedDataLenSave; + return -1; + + } + if (tmp != block_size) { + PRINTF("[%s %d]msadpcm: data missalign\n", __FUNCTION__, __LINE__); + } + + Output_Size = ms_adpcm_decode_block(pcm_buf, pwavebuf, g_mgr.ch, block_size); + Output_Size = Output_Size - Output_Size % g_mgr.ch; + memcpy(buf, (char*)pcm_buf, 2 * Output_Size); + return Output_Size * 2; + +} + + +enum SampleFormat { + SAMPLE_FMT_NONE = -1, + SAMPLE_FMT_U8, ///< unsigned 8 bits + SAMPLE_FMT_S16, ///< signed 16 bits + SAMPLE_FMT_S32, ///< signed 32 bits + SAMPLE_FMT_FLT, ///< float + SAMPLE_FMT_DBL, ///< double + SAMPLE_FMT_NB ///< Number of sample formats. DO NOT USE if dynamically linking to libavcodec +}; + +int runpcmdecoder(aml_audio_dec_t *audec, pcm_read_ctl_t *pcm_read_ctx, unsigned char *buf, int len) +{ + int i/*, j*/; + short *pcm_buf = (short*)wave_decoder_buffer[1].addr; + int tmp = 0; + offset = 0; + if (g_mgr.bps == SAMPLE_FMT_U8) { + tmp = refill(audec, pcm_read_ctx, pwavebuf, WAVE_BLOCK_SIZE); + if (tmp < 0) { + return -1; + } + for (i = 0; i < tmp;) { + pcm_buf[i] = (pwavebuf[i] - 0x80) << 8; + i++; + pcm_buf[i] = (pwavebuf[i] - 0x80) << 8; + i++; + pcm_buf[i] = (pwavebuf[i] - 0x80) << 8; + i++; + pcm_buf[i] = (pwavebuf[i] - 0x80) << 8; + i++; + } + return (WAVE_BLOCK_SIZE) * 2; + } else { + if (refill(audec, pcm_read_ctx, pwavebuf, WAVE_BLOCK_SIZE) < 0) { + return -1; + }; + return ((WAVE_BLOCK_SIZE >> 1) * 2); + } +} + +static int adpcm_decode_frame(aml_audio_dec_t *audec, pcm_read_ctl_t *pcm_read_ctx, unsigned char *buf, int len) +{ + int buf_size = 0; + pwavebuf = (unsigned char*)wave_decoder_buffer[0].addr; + + switch (audec->codec_id) { + case CODEC_ID_PCM_ALAW: + buf_size = runalawdecoder(audec, pcm_read_ctx, buf, len); + break; + + case CODEC_ID_PCM_MULAW: + buf_size = runulawdecoder(audec, pcm_read_ctx, buf, len); + break; + + case CODEC_ID_ADPCM_IMA_WAV: + buf_size = runimaadpcmdecoder(audec, pcm_read_ctx, buf, len); + break; + + case CODEC_ID_ADPCM_MS: + buf_size = runmsadpcmdecoder(audec, pcm_read_ctx, buf, len); + break; + default: + buf_size = runpcmdecoder(audec, pcm_read_ctx, buf, len); + break; + } + return buf_size; +} + +static int adpcm_decode_release(void) +{ + if (wave_decoder_buffer[0].addr) { + free(wave_decoder_buffer[0].addr); + wave_decoder_buffer[0].addr = 0; + wave_decoder_buffer[0].size = 0; + } + if (wave_decoder_buffer[1].addr) { + free(wave_decoder_buffer[1].addr); + wave_decoder_buffer[1].addr = 0; + wave_decoder_buffer[1].size = 0; + } + return 0; +} + +int audio_dec_decode(audio_decoder_operations_t *adec_ops, char *outbuf, int *outlen, char *inbuf, int inlen) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)(adec_ops->priv_data); + pcm_read_ctl_t pcm_read_ctl = {0}; + pcm_read_init(&pcm_read_ctl, inbuf, inlen); + *outlen = adpcm_decode_frame(audec, &pcm_read_ctl, outbuf, *outlen); + return pcm_read_ctl.UsedDataLen; + +} +int audio_dec_init(audio_decoder_operations_t *adec_ops) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)(adec_ops->priv_data); + //PRINTF("\n\n[%s]BuildDate--%s BuildTime--%s", __FUNCTION__, __DATE__, __TIME__); + adpcm_init(audec); + return 0; +} + +int audio_dec_release(audio_decoder_operations_t *adec_ops) +{ + adpcm_decode_release(); + return 0; +} + +int audio_dec_getinfo(audio_decoder_operations_t *adec_ops, void *pAudioInfo) +{ + return 0; +} + + diff --git a/audio_codec/libamr/Android.mk b/audio_codec/libamr/Android.mk new file mode 100755 index 0000000..03ae3df --- a/dev/null +++ b/audio_codec/libamr/Android.mk @@ -0,0 +1,25 @@ +LOCAL_PATH := $(call my-dir) + +################################################################################ +include $(CLEAR_VARS) +LOCAL_MODULE := libamr + +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +LOCAL_ARM_MODE := arm +LOCAL_C_INCLUDES := $(LOCAL_PATH)/ + + +include $(BUILD_STATIC_LIBRARY) + +################################################################################# +include $(CLEAR_VARS) +LOCAL_SHARED_LIBRARIES += libutils libmedia libz libbinder libdl libcutils libc +LOCAL_MODULE := libamr +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +LOCAL_ARM_MODE := arm +LOCAL_MODULE_TAGS := optional +LOCAL_C_INCLUDES := $(LOCAL_PATH)/ + +LOCAL_PRELINK_MODULE := false + +include $(BUILD_SHARED_LIBRARY) \ No newline at end of file diff --git a/audio_codec/libamr/Makefile b/audio_codec/libamr/Makefile new file mode 100755 index 0000000..d6c3786 --- a/dev/null +++ b/audio_codec/libamr/Makefile @@ -0,0 +1,5 @@ +OBJ=$(OBJTREE)/codecs/codec_amr +TARGET=audiodsp_codec_amr.elf +OBJS = $(patsubst %.c, %.o, $(wildcard *.c */*.c)) + +include $(SRCTREE)/inc.mk diff --git a/audio_codec/libamr/amr_decode.c b/audio_codec/libamr/amr_decode.c new file mode 100644 index 0000000..319f31e --- a/dev/null +++ b/audio_codec/libamr/amr_decode.c @@ -0,0 +1,186 @@ + +#include "sp_dec.h" + +#include "../../amadec/adec-armdec-mgt.h" +#include +#include "interf_dec.h" +#include "dec_if.h" + +#define LOG_TAG "AmrDecoder" +#define amr_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) + +#define DefaultReadSize 2*1024 +#define DefaultOutBufSize 16*1024 + + + +typedef void (*_AMR_DECODE_FRAME)(void*, short*, short *outlen, char *inbuf, int *consume); + +static _AMR_DECODE_FRAME amr_decode_frame_fun; +static int SampleRateOut = 0; +static void * destate = NULL; +static const short amrnb_block_size[16] = { 12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 0 }; + +#if 0 +int amr_read(unsigned char *pBuffer, int n) +{ + int i; + i = read_buffer(pBuffer, n); + return i; +} +#endif + +void * Decoder_Init() +{ + if (SampleRateOut == 8000) { + return (void *)Decoder_Interface_init(); + } else { + return (void *)D_IF_init(); + } +} +void amrnb_decode_frame(void* destate, short* pOutBuffer, short *outlen, char *inbuf, int *consume) +{ + enum Mode dec_mode; + int read_size; + unsigned char analysis[32]; + char *tpbuf; + tpbuf = inbuf; + + memset(analysis, 0, 32); + //amr_read(analysis, 1); + analysis[0] = *tpbuf++; + + dec_mode = (analysis[0] >> 3) & 0x000F; + read_size = amrnb_block_size[dec_mode]; + + //note: the logic modification of this time refer from : + // when (dec_mode==15) and (read_size==0), ie,dec_mode==RX_NO_DATA + // still need to send data to decoder: + //amr_read(&analysis[1], read_size ); + memcpy(&analysis[1], tpbuf, read_size); + *consume = read_size + 1; + /* call decoder */ + Decoder_Interface_Decode(destate, analysis, pOutBuffer, 0); +} + +//note:maybe this decoder logic has some problem and too old now ,but can not find where +// its souce comes from, so just let maitain current situations!!: +void amrwb_decode_frame(void* destate, short* pOutBuffer, short *outlen, char *inbuf, int *consume) +{ + unsigned char serial[61]; + short mode; + char *tpbuf; + tpbuf = inbuf; + + static const short amrwb_block_size[16] = {18, 24, 33, 37, 41, 47, 51, 59, 61, 6, 6, 0, 0, 0, 1, 1}; + //amr_read(serial, 1); + serial[0] = *tpbuf++; + + mode = (short)((serial[0] >> 3) & 0x0F); + + if (amrwb_block_size[mode] - 1 > 0) { + //amr_read(&serial[1], amrwb_block_size[mode] - 1 ); + memcpy(&serial[1], tpbuf, amrwb_block_size[mode] - 1); + tpbuf += amrwb_block_size[mode] - 1; + D_IF_decode(destate, serial, pOutBuffer, 0); + } else { + *outlen = -1; + amr_print("[%s %d]decoder err!\n", __FUNCTION__, __LINE__); + // empty frame??? need clean history??? + // memset(pOutBuffer, 0, 320*2); + } + *consume += tpbuf - inbuf; +} +//static int amr_decode_frame(unsigned char *buf, int maxlen, struct frame_fmt *fmt) +int audio_dec_decode(audio_decoder_operations_t *adec_ops, char *outbuf, int *outlen, char *inbuf, int inlen) +{ + //amr_print("[%s:%d]enter into amr_decoder\n", __FUNCTION__,__LINE__); + int res = 0; + int consume = 0; + short synth[320]; + int outputSample; + short out_ret = 0; + memset(synth, 0, 320 * sizeof(short)); + if (SampleRateOut == 8000) { + outputSample = 160; + } else { + outputSample = 160 * 2; + } + amr_decode_frame_fun(destate, synth, &out_ret, inbuf, &consume); + + if (out_ret < 0) { + *outlen = 0; + return consume; + } + memcpy(outbuf, (char*)synth, outputSample * 2); + *outlen = outputSample * 2; + return consume; +} + + +//static int amr_decode_init(struct frame_fmt * fmt) +int audio_dec_init(audio_decoder_operations_t *adec_ops) +{ + //struct audio_info *real_data; + //real_data = (struct audio_info *)fmt->private_data; + //amr_print("\n\n[%s]BuildDate--%s BuildTime--%s", __FUNCTION__, __DATE__, __TIME__); + if (adec_ops->samplerate == 16000) { + SampleRateOut = 16000; + } else { + SampleRateOut = 8000; + } + destate = NULL; + destate = Decoder_Init(); + if (SampleRateOut == 8000) { + amr_decode_frame_fun = amrnb_decode_frame; + } else { + amr_decode_frame_fun = amrwb_decode_frame; + } + //fmt->valid=CHANNEL_VALID | SAMPLE_RATE_VALID | DATA_WIDTH_VALID; + //fmt->sample_rate = SampleRateOut; + //fmt->channel_num = real_data->channels; + //fmt->data_width = 16; + adec_ops->nInBufSize = DefaultReadSize; + adec_ops->nOutBufSize = DefaultOutBufSize; + amr_print("amr %s ,sr %d,ch num %d\n", (SampleRateOut == 8000) ? "NB" : "WB", adec_ops->samplerate, adec_ops->channels); + return 0; +} + +void Decoder_exit(void *st) +{ + if (SampleRateOut == 8000) { + Decoder_Interface_exit(st); + } else { + D_IF_exit(st); + } +} + +//static int amr_decode_release(void) +int audio_dec_release(audio_decoder_operations_t *adec_ops) +{ + Decoder_exit(destate); + return 0; +} + +int audio_dec_getinfo(audio_decoder_operations_t *adec_ops, void *pAudioInfo) +{ + return 0; +} + +#if 0 +static struct codec_type amr_codec = { + .name = "amr", + .init = amr_decode_init, + .release = amr_decode_release, + .decode_frame = amr_decode_frame, +}; + + +void __used amr_codec_init(void) +{ + amr_print("register amr lib \n"); + register_codec(&amr_codec); +} + +CODEC_INIT(amr_codec_init); +#endif diff --git a/audio_codec/libamr/amr_decode.h b/audio_codec/libamr/amr_decode.h new file mode 100644 index 0000000..a5ed286 --- a/dev/null +++ b/audio_codec/libamr/amr_decode.h @@ -0,0 +1,8 @@ + + + +typedef struct { + + +} amr_decoder_info_t; + diff --git a/audio_codec/libamr/dec.h b/audio_codec/libamr/dec.h new file mode 100755 index 0000000..e25e711 --- a/dev/null +++ b/audio_codec/libamr/dec.h @@ -0,0 +1,18 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#ifndef DEC_H +#define DEC_H + +#include "typedef.h" + +void D_MAIN_reset(void *st, Word16 reset_all); +Word32 D_MAIN_init(void **spd_state); +void D_MAIN_close(void **spd_state); +Word32 D_MAIN_decode(Word16 mode, Word16 prms[], Word16 synth16k[], + void *spd_state, UWord8 frame_type); + +#endif + diff --git a/audio_codec/libamr/dec_acelp.c b/audio_codec/libamr/dec_acelp.c new file mode 100644 index 0000000..ab13bd8 --- a/dev/null +++ b/audio_codec/libamr/dec_acelp.c @@ -0,0 +1,620 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +//#include +#include +#include +#include +#include +#include "typedef.h" +#include "dec_util.h" + +#define L_SUBFR 64 /* Subframe size */ +#define PRED_ORDER 4 +#define MEAN_ENER 30 /* average innovation energy */ +extern const Word16 D_ROM_ph_imp_low[]; +extern const Word16 D_ROM_ph_imp_mid[]; + + +/* + * D_ACELP_add_pulse + * + * Parameters: + * pos I: position of pulse + * nb_pulse I: number of pulses + * track I: track + * code O: fixed codebook + * + * Function: + * Add pulses to fixed codebook + * + * Returns: + * void + */ +static void D_ACELP_add_pulse(Word32 pos[], Word32 nb_pulse, + Word32 track, Word16 code[]) +{ + Word32 i, k; + + for (k = 0; k < nb_pulse; k++) { + /* i = ((pos[k] & (16-1))*NB_TRACK) + track; */ + i = ((pos[k] & (16 - 1)) << 2) + track; + + if ((pos[k] & 16) == 0) { + code[i] = (Word16)(code[i] + 512); + } else { + code[i] = (Word16)(code[i] - 512); + } + } + + return; +} + + +/* + * D_ACELP_decode_1p_N1 + * + * Parameters: + * index I: pulse index + * N I: number of bits for position + * offset I: offset + * pos O: position of the pulse + + * + * Function: + * Decode 1 pulse with N+1 bits + * + * Returns: + * void + */ +static void D_ACELP_decode_1p_N1(Word32 index, Word32 N, + Word32 offset, Word32 pos[]) +{ + Word32 i, pos1, mask; + + mask = ((1 << N) - 1); + + /* + * Decode 1 pulse with N+1 bits + */ + pos1 = ((index & mask) + offset); + i = ((index >> N) & 1); + + if (i == 1) { + pos1 += 16; + } + + pos[0] = pos1; + + return; +} + + +/* + * D_ACELP_decode_2p_2N1 + * + * Parameters: + * index I: pulse index + * N I: number of bits for position + * offset I: offset + * pos O: position of the pulse + * + * Function: + * Decode 2 pulses with 2*N+1 bits + * + * Returns: + * void + */ +static void D_ACELP_decode_2p_2N1(Word32 index, Word32 N, + Word32 offset, Word32 pos[]) +{ + Word32 i, pos1, pos2; + Word32 mask; + + mask = ((1 << N) - 1); + + /* + * Decode 2 pulses with 2*N+1 bits + */ + pos1 = (((index >> N) & mask) + offset); + i = (index >> (2 * N)) & 1; + pos2 = ((index & mask) + offset); + + if ((pos2 - pos1) < 0) { + if (i == 1) { + pos1 += 16; + } else { + pos2 += 16; + } + } else { + if (i == 1) { + pos1 += 16; + pos2 += 16; + } + } + + pos[0] = pos1; + pos[1] = pos2; + + return; +} + + +/* + * D_ACELP_decode_3p_3N1 + * + * Parameters: + * index I: pulse index + * N I: number of bits for position + * offset I: offset + * pos O: position of the pulse + * + * Function: + * Decode 3 pulses with 3*N+1 bits + * + * Returns: + * void + */ +static void D_ACELP_decode_3p_3N1(Word32 index, Word32 N, + Word32 offset, Word32 pos[]) +{ + Word32 j, mask, idx; + + /* + * Decode 3 pulses with 3*N+1 bits + */ + mask = ((1 << ((2 * N) - 1)) - 1); + idx = index & mask; + j = offset; + + if (((index >> ((2 * N) - 1)) & 1) == 1) { + j += (1 << (N - 1)); + } + + D_ACELP_decode_2p_2N1(idx, N - 1, j, pos); + mask = ((1 << (N + 1)) - 1); + idx = (index >> (2 * N)) & mask; + D_ACELP_decode_1p_N1(idx, N, offset, pos + 2); + + return; +} + + +/* + * D_ACELP_decode_4p_4N1 + * + * Parameters: + * index I: pulse index + * N I: number of bits for position + * offset I: offset + * pos O: position of the pulse + * + * Function: + * Decode 4 pulses with 4*N+1 bits + * + * Returns: + * void + */ +static void D_ACELP_decode_4p_4N1(Word32 index, Word32 N, + Word32 offset, Word32 pos[]) +{ + Word32 j, mask, idx; + + /* + * Decode 4 pulses with 4*N+1 bits + */ + mask = ((1 << ((2 * N) - 1)) - 1); + idx = index & mask; + j = offset; + + if (((index >> ((2 * N) - 1)) & 1) == 1) { + j += (1 << (N - 1)); + } + + D_ACELP_decode_2p_2N1(idx, N - 1, j, pos); + mask = ((1 << ((2 * N) + 1)) - 1); + idx = (index >> (2 * N)) & mask; + D_ACELP_decode_2p_2N1(idx, N, offset, pos + 2); + + return; +} + + +/* + * D_ACELP_decode_4p_4N + * + * Parameters: + * index I: pulse index + * N I: number of bits for position + * offset I: offset + * pos O: position of the pulse + * + * Function: + * Decode 4 pulses with 4*N bits + * + * Returns: + * void + */ +static void D_ACELP_decode_4p_4N(Word32 index, Word32 N, + Word32 offset, Word32 pos[]) +{ + Word32 j, n_1; + + /* + * Decode 4 pulses with 4*N bits + */ + n_1 = N - 1; + j = offset + (1 << n_1); + + switch ((index >> ((4 * N) - 2)) & 3) { + case 0: + if (((index >> ((4 * n_1) + 1)) & 1) == 0) { + D_ACELP_decode_4p_4N1(index, n_1, offset, pos); + } else { + D_ACELP_decode_4p_4N1(index, n_1, j, pos); + } + break; + + case 1: + D_ACELP_decode_1p_N1((index >> ((3 * n_1) + 1)), n_1, offset, pos); + D_ACELP_decode_3p_3N1(index, n_1, j, pos + 1); + break; + + case 2: + D_ACELP_decode_2p_2N1((index >> ((2 * n_1) + 1)), n_1, offset, pos); + D_ACELP_decode_2p_2N1(index, n_1, j, pos + 2); + break; + + case 3: + D_ACELP_decode_3p_3N1((index >> (n_1 + 1)), n_1, offset, pos); + D_ACELP_decode_1p_N1(index, n_1, j, pos + 3); + break; + } + + return; +} + + +/* + * D_ACELP_decode_5p_5N + * + * Parameters: + * index I: pulse index + * N I: number of bits for position + * offset I: offset + * pos O: position of the pulse + * + * Function: + * Decode 5 pulses with 5*N bits + * + * Returns: + * void + */ +static void D_ACELP_decode_5p_5N(Word32 index, Word32 N, + Word32 offset, Word32 pos[]) +{ + Word32 j, n_1; + Word32 idx; + + /* + * Decode 5 pulses with 5*N bits + */ + n_1 = N - 1; + j = offset + (1 << n_1); + idx = (index >> ((2 * N) + 1)); + + if (((index >> ((5 * N) - 1)) & 1) == 0) { + D_ACELP_decode_3p_3N1(idx, n_1, offset, pos); + D_ACELP_decode_2p_2N1(index, N, offset, pos + 3); + } else { + D_ACELP_decode_3p_3N1(idx, n_1, j, pos); + D_ACELP_decode_2p_2N1(index, N, offset, pos + 3); + } + + return; +} + + +/* + * D_ACELP_decode_6p_6N_2 + * + * Parameters: + * index I: pulse index + * N I: number of bits for position + * offset I: offset + * pos O: position of the pulse + * + * Function: + * Decode 6 pulses with 6*N-2 bits + * + * Returns: + * void + */ +static void D_ACELP_decode_6p_6N_2(Word32 index, Word32 N, + Word32 offset, Word32 pos[]) +{ + Word32 j, n_1, offsetA, offsetB; + + n_1 = N - 1; + j = offset + (1 << n_1); + offsetA = offsetB = j; + + if (((index >> ((6 * N) - 5)) & 1) == 0) { + offsetA = offset; + } else { + offsetB = offset; + } + + switch ((index >> ((6 * N) - 4)) & 3) { + case 0: + D_ACELP_decode_5p_5N(index >> N, n_1, offsetA, pos); + D_ACELP_decode_1p_N1(index, n_1, offsetA, pos + 5); + break; + + case 1: + D_ACELP_decode_5p_5N(index >> N, n_1, offsetA, pos); + D_ACELP_decode_1p_N1(index, n_1, offsetB, pos + 5); + break; + + case 2: + D_ACELP_decode_4p_4N(index >> ((2 * n_1) + 1), n_1, offsetA, pos); + D_ACELP_decode_2p_2N1(index, n_1, offsetB, pos + 4); + break; + + case 3: + D_ACELP_decode_3p_3N1(index >> ((3 * n_1) + 1), n_1, offset, pos); + D_ACELP_decode_3p_3N1(index, n_1, j, pos + 3); + break; + } + + return; +} + + +/* + * D_ACELP_decode_2t + * + * Parameters: + * index I: 12 bits index + * code O: (Q9) algebraic (fixed) codebook excitation + * + * Function: + * 12 bits algebraic codebook decoder. + * 2 tracks x 32 positions per track = 64 samples. + * + * 12 bits --> 2 pulses in a frame of 64 samples. + * + * All pulses can have two (2) possible amplitudes: +1 or -1. + * Each pulse can have 32 possible positions. + * + * codevector length 64 + * number of track 2 + * number of position 32 + * + * Returns: + * void + */ +void D_ACELP_decode_2t(Word16 index, Word16 code[]) +{ + Word32 i0, i1; + + memset(code, 0, 64 * sizeof(Word16)); + + /* decode the positions and signs of pulses and build the codeword */ + i0 = (index >> 5) & 0x0000003E; + i1 = ((index & 0x0000001F) << 1) + 1; + + if (((index >> 6) & 32) == 0) { + code[i0] = 512; + } else { + code[i0] = -512; + } + + if ((index & 32) == 0) { + code[i1] = 512; + } else { + code[i1] = -512; + } + + return; +} + + +/* + * D_ACELP_decode_4t + * + * Parameters: + * index I: index + * mode I: speech mode + * code I: (Q9) algebraic (fixed) codebook excitation + * + * Function: + * 20, 36, 44, 52, 64, 72, 88 bits algebraic codebook. + * 4 tracks x 16 positions per track = 64 samples. + * + * 20 bits 5+5+5+5 --> 4 pulses in a frame of 64 samples. + * 36 bits 9+9+9+9 --> 8 pulses in a frame of 64 samples. + * 44 bits 13+9+13+9 --> 10 pulses in a frame of 64 samples. + * 52 bits 13+13+13+13 --> 12 pulses in a frame of 64 samples. + * 64 bits 2+2+2+2+14+14+14+14 --> 16 pulses in a frame of 64 samples. + * 72 bits 10+2+10+2+10+14+10+14 --> 18 pulses in a frame of 64 samples. + * 88 bits 11+11+11+11+11+11+11+11 --> 24 pulses in a frame of 64 samples. + * + * All pulses can have two (2) possible amplitudes: +1 or -1. + * Each pulse can sixteen (16) possible positions. + * + * codevector length 64 + * number of track 4 + * number of position 16 + * + * Returns: + * void + */ +void D_ACELP_decode_4t(Word16 index[], Word16 nbbits, Word16 code[]) +{ + Word32 k, L_index, pos[6]; + + memset(code, 0, 64 * sizeof(Word16)); + + /* decode the positions and signs of pulses and build the codeword */ + if (nbbits == 20) { + for (k = 0; k < 4; k++) { + L_index = index[k]; + D_ACELP_decode_1p_N1(L_index, 4, 0, pos); + D_ACELP_add_pulse(pos, 1, k, code); + } + } else if (nbbits == 36) { + for (k = 0; k < 4; k++) { + L_index = index[k]; + D_ACELP_decode_2p_2N1(L_index, 4, 0, pos); + D_ACELP_add_pulse(pos, 2, k, code); + } + } else if (nbbits == 44) { + for (k = 0; k < 4 - 2; k++) { + L_index = index[k]; + D_ACELP_decode_3p_3N1(L_index, 4, 0, pos); + D_ACELP_add_pulse(pos, 3, k, code); + } + + for (k = 2; k < 4; k++) { + L_index = index[k]; + D_ACELP_decode_2p_2N1(L_index, 4, 0, pos); + D_ACELP_add_pulse(pos, 2, k, code); + } + } else if (nbbits == 52) { + for (k = 0; k < 4; k++) { + L_index = index[k]; + D_ACELP_decode_3p_3N1(L_index, 4, 0, pos); + D_ACELP_add_pulse(pos, 3, k, code); + } + } else if (nbbits == 64) { + for (k = 0; k < 4; k++) { + L_index = ((index[k] << 14) + index[k + 4]); + D_ACELP_decode_4p_4N(L_index, 4, 0, pos); + D_ACELP_add_pulse(pos, 4, k, code); + } + } else if (nbbits == 72) { + for (k = 0; k < 4 - 2; k++) { + L_index = ((index[k] << 10) + index[k + 4]); + D_ACELP_decode_5p_5N(L_index, 4, 0, pos); + D_ACELP_add_pulse(pos, 5, k, code); + } + + for (k = 2; k < 4; k++) { + L_index = ((index[k] << 14) + index[k + 4]); + D_ACELP_decode_4p_4N(L_index, 4, 0, pos); + D_ACELP_add_pulse(pos, 4, k, code); + } + } else if (nbbits == 88) { + for (k = 0; k < 4; k++) { + L_index = ((index[k] << 11) + index[k + 4]); + D_ACELP_decode_6p_6N_2(L_index, 4, 0, pos); + D_ACELP_add_pulse(pos, 6, k, code); + } + } + return; +} + + +/* + * D_ACELP_phase_dispersion + * + * Parameters: + * gain_code I: (Q0) gain of code + * gain_pit I: (Q14) gain of pitch + * code I/O: code vector + * mode I: level, 0=hi, 1=lo, 2=off + * disp_mem I/O: static memory (size = 8) + * + * Function: + * An adaptive anti-sparseness post-processing procedure is + * applied to the fixed codebook vector in order to + * reduce perceptual artifacts arising from the sparseness + * of the algebraic fixed codebook vectors with only + * a few non-zero samples per subframe. + * + * Returns: + * void + */ +void D_ACELP_phase_dispersion(Word16 gain_code, Word16 gain_pit, Word16 code[], + Word16 mode, Word16 disp_mem[]) +{ + Word32 code2[2 * L_SUBFR] = {0}; + Word32 i, j, state; + Word16 *prev_gain_pit, *prev_gain_code, *prev_state; + + prev_state = disp_mem; + prev_gain_code = disp_mem + 1; + prev_gain_pit = disp_mem + 2; + + if (gain_pit < 9830) { /* 0.6 in Q14 */ + state = 0; + } else if (gain_pit < 14746) { /* 0.9 in Q14 */ + state = 1; + } else { + state = 2; + } + + for (i = 5; i > 0; i--) { + prev_gain_pit[i] = prev_gain_pit[i - 1]; + } + prev_gain_pit[0] = gain_pit; + + if ((gain_code - *prev_gain_code) > (*prev_gain_code << 1)) { + /* onset */ + if (state < 2) { + state = state + 1; + } + } else { + j = 0; + + for (i = 0; i < 6; i++) { + if (prev_gain_pit[i] < 9830) { /* 0.6 in Q14 */ + j = (j + 1); + } + } + + if (j > 2) { + state = 0; + } + + if ((state - *prev_state) > 1) { + state = state - 1; + } + } + *prev_gain_code = gain_code; + *prev_state = (Word16)state; + + /* circular convolution */ + state = state + mode; /* level of dispersion */ + + if (state == 0) { + for (i = 0; i < L_SUBFR; i++) { + if (code[i] != 0) { + for (j = 0; j < L_SUBFR; j++) { + code2[i + j] = code2[i + j] + + (((code[i] * D_ROM_ph_imp_low[j]) + 0x4000) >> 15); + } + } + } + } else if (state == 1) { + for (i = 0; i < L_SUBFR; i++) { + if (code[i] != 0) { + for (j = 0; j < L_SUBFR; j++) { + code2[i + j] = code2[i + j] + + (((code[i] * D_ROM_ph_imp_mid[j]) + 0x4000) >> 15); + } + } + } + } + + if (state < 2) { + for (i = 0; i < L_SUBFR; i++) { + code[i] = (Word16)(code2[i] + code2[i + L_SUBFR]); + } + } + + return; +} diff --git a/audio_codec/libamr/dec_acelp.h b/audio_codec/libamr/dec_acelp.h new file mode 100755 index 0000000..ac39c57 --- a/dev/null +++ b/audio_codec/libamr/dec_acelp.h @@ -0,0 +1,17 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#ifndef DEC_ACELP_H +#define DEC_ACELP_H + +#include "typedef.h" + +void D_ACELP_decode_2t(Word16 index, Word16 code[]); +void D_ACELP_decode_4t(Word16 index[], Word16 nbbits, Word16 code[]); +void D_ACELP_phase_dispersion(Word16 gain_code, Word16 gain_pit, Word16 code[], + Word16 mode, Word16 disp_mem[]); + +#endif + diff --git a/audio_codec/libamr/dec_dtx.c b/audio_codec/libamr/dec_dtx.c new file mode 100644 index 0000000..f6c9caf --- a/dev/null +++ b/audio_codec/libamr/dec_dtx.c @@ -0,0 +1,683 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#include +#include +#include +#include "typedef.h" +#include "dec_dtx.h" +#include "dec_lpc.h" +#include "dec_util.h" + + +#define MAX_31 (Word32)0x3FFFFFFF +#define L_FRAME 256 /* Frame size */ +#define RX_SPEECH_LOST 2 +#define RX_SPEECH_BAD 3 +#define RX_SID_FIRST 4 +#define RX_SID_UPDATE 5 +#define RX_SID_BAD 6 +#define RX_NO_DATA 7 +#define ISF_GAP 128 /* 50 */ +#define D_DTX_MAX_EMPTY_THRESH 50 +#define GAIN_FACTOR 75 +#define ISF_FACTOR_LOW 256 +#define ISF_FACTOR_STEP 2 +#define ISF_DITH_GAP 448 +#define D_DTX_HANG_CONST 7 /* yields eight frames of SP HANGOVER */ +#define D_DTX_ELAPSED_FRAMES_THRESH (24 + 7 - 1) +#define RANDOM_INITSEED 21845 /* own random init value */ + + +/* + * D_DTX_reset + * + * Parameters: + * st O: state struct + * + * Function: + * Initializes state memory + * + * Returns: + * non-zero with error, zero for ok + */ +int D_DTX_reset(D_DTX_State *st, const Word16 *isf_init) +{ + Word32 i; + + if (st == (D_DTX_State*)NULL) { + return(-1); + } + st->mem_since_last_sid = 0; + st->mem_true_sid_period_inv = (1 << 13); /* 0.25 in Q15 */ + st->mem_log_en = 3500; + st->mem_log_en_prev = 3500; + + /* low level noise for better performance in DTX handover cases */ + st->mem_cng_seed = RANDOM_INITSEED; + st->mem_hist_ptr = 0; + + /* Init isf_hist[] and decoder log frame energy */ + memcpy(st->mem_isf, isf_init, M * sizeof(Word16)); + memcpy(st->mem_isf_prev, isf_init, M * sizeof(Word16)); + + for (i = 0; i < D_DTX_HIST_SIZE; i++) { + memcpy(&st->mem_isf_buf[i * M], isf_init, M * sizeof(Word16)); + st->mem_log_en_buf[i] = 3500; + } + st->mem_dtx_hangover_count = D_DTX_HANG_CONST; + st->mem_dec_ana_elapsed_count = 127; + st->mem_sid_frame = 0; + st->mem_valid_data = 0; + st->mem_dtx_hangover_added = 0; + st->mem_dtx_global_state = SPEECH; + st->mem_data_updated = 0; + st->mem_dither_seed = RANDOM_INITSEED; + st->mem_cn_dith = 0; + + return(0); +} + + +/* + * D_DTX_init + * + * Parameters: + * st I/O: state struct + * + * Function: + * Allocates state memory and initializes state memory + * + * Returns: + * non-zero with error, zero for ok + */ +int D_DTX_init(D_DTX_State **st, const Word16 *isf_init) +{ + D_DTX_State *s; + + if (st == (D_DTX_State**)NULL) { + return(-1); + } + + *st = NULL; + + /* allocate memory */ + if ((s = (D_DTX_State*)malloc(sizeof(D_DTX_State))) == NULL) { + return(-1); + } + + D_DTX_reset(s, isf_init); + *st = s; + + return(0); +} + + +/* + * D_DTX_exit + * + * Parameters: + * state I/0: State struct + * + * Function: + * The memory used for state memory is freed + * + * Returns: + * void + */ +void D_DTX_exit(D_DTX_State **st) +{ + if (st == NULL || *st == NULL) { + return; + } + + /* deallocate memory */ + free(*st); + *st = NULL; + + return; +} + + +/* + * D_DTX_rx_handler + * + * Parameters: + * st I/O: State struct + * frame_type I: Frame type + * + * Function: + * Analyze received frame + * + * Table of new SPD synthesis states + * + * | previous SPD_synthesis_state + * Incoming | + * frame_type | SPEECH | DTX | D_DTX_MUTE + * --------------------------------------------------------------- + * RX_SPEECH_GOOD , | | | + * RX_SPEECH_PR_DEGRADED | SPEECH | SPEECH | SPEECH + * ---------------------------------------------------------------- + * RX_SPEECH_BAD, | SPEECH | DTX | D_DTX_MUTE + * ---------------------------------------------------------------- + * RX_SID_FIRST, | DTX | DTX/(D_DTX_MUTE)| D_DTX_MUTE + * ---------------------------------------------------------------- + * RX_SID_UPDATE, | DTX | DTX | DTX + * ---------------------------------------------------------------- + * RX_SID_BAD, | DTX | DTX/(D_DTX_MUTE)| D_DTX_MUTE + * ---------------------------------------------------------------- + * RX_NO_DATA, | SPEECH | DTX/(D_DTX_MUTE)| D_DTX_MUTE + * RX_SPARE |(class2 garb.)| | + * ---------------------------------------------------------------- + * + * Returns: + * new state + */ +UWord8 D_DTX_rx_handler(D_DTX_State *st, UWord8 frame_type) +{ + UWord8 newState; + UWord8 encState; + + /* DTX if SID frame or previously in DTX{_MUTE} + * and (NO_RX OR BAD_SPEECH) + */ + if ((frame_type == RX_SID_FIRST) | (frame_type == RX_SID_UPDATE) | + (frame_type == RX_SID_BAD) | (((st->mem_dtx_global_state == DTX) | + (st->mem_dtx_global_state == D_DTX_MUTE)) & ((frame_type == RX_NO_DATA) | + (frame_type == RX_SPEECH_BAD) | (frame_type == RX_SPEECH_LOST)))) { + newState = DTX; + + /* stay in mute for these input types */ + if ((st->mem_dtx_global_state == D_DTX_MUTE) & + ((frame_type == RX_SID_BAD) | (frame_type == RX_SID_FIRST) | + (frame_type == RX_SPEECH_LOST) | (frame_type == RX_NO_DATA))) { + newState = D_DTX_MUTE; + } + + /* evaluate if noise parameters are too old */ + /* since_last_sid is reset when CN parameters have been updated */ + st->mem_since_last_sid = D_UTIL_saturate(st->mem_since_last_sid + 1); + + /* no update of sid parameters in DTX for a Word32 while */ + if ((frame_type != RX_SID_UPDATE) && + (st->mem_since_last_sid > D_DTX_MAX_EMPTY_THRESH)) { + newState = D_DTX_MUTE; + } + } else { + newState = SPEECH; + st->mem_since_last_sid = 0; + } + + /* + * reset the decAnaElapsed Counter when receiving CNI data the first + * time, to robustify counter missmatch after handover + * this might delay the bwd CNI analysis in the new decoder slightly. + */ + if ((st->mem_data_updated == 0) & (frame_type == RX_SID_UPDATE)) { + st->mem_dec_ana_elapsed_count = 0; + } + + /* + * update the SPE-SPD DTX hangover synchronization + * to know when SPE has added dtx hangover + */ + st->mem_dec_ana_elapsed_count++; + + /* saturate */ + if (st->mem_dec_ana_elapsed_count > 127) { + st->mem_dec_ana_elapsed_count = 127; + } + + st->mem_dtx_hangover_added = 0; + + if ((frame_type == RX_SID_FIRST) | (frame_type == RX_SID_UPDATE) | + (frame_type == RX_SID_BAD) | (frame_type == RX_NO_DATA)) { + encState = DTX; + } else { + encState = SPEECH; + } + + if (encState == SPEECH) { + st->mem_dtx_hangover_count = D_DTX_HANG_CONST; + } else { + if (st->mem_dec_ana_elapsed_count > D_DTX_ELAPSED_FRAMES_THRESH) { + st->mem_dtx_hangover_added = 1; + st->mem_dec_ana_elapsed_count = 0; + st->mem_dtx_hangover_count = 0; + } else if (st->mem_dtx_hangover_count == 0) { + st->mem_dec_ana_elapsed_count = 0; + } else { + st->mem_dtx_hangover_count--; + } + } + + if (newState != SPEECH) { + /* + * DTX or D_DTX_MUTE + * CN data is not in a first SID, first SIDs are marked as SID_BAD + * but will do backwards analysis if a hangover period has been added + * according to the state machine above + */ + st->mem_sid_frame = 0; + st->mem_valid_data = 0; + + if (frame_type == RX_SID_FIRST) { + st->mem_sid_frame = 1; + } else if (frame_type == RX_SID_UPDATE) { + st->mem_sid_frame = 1; + st->mem_valid_data = 1; + } else if (frame_type == RX_SID_BAD) { + st->mem_sid_frame = 1; + st->mem_dtx_hangover_added = 0; /* use old data */ + } + } + + return newState; + + /* newState is used by both SPEECH AND DTX synthesis routines */ +} + + +/* + * D_DTX_cn_dithering + * + * Parameters: + * isf I/O: CN ISF vector + * L_log_en_int I/O: energy parameter + * dither_seed I/O: random seed + * + * Function: + * Confort noise dithering + * + * Returns: + * void + */ +static void D_DTX_cn_dithering(Word16 isf[M], Word32 *L_log_en_int, + Word16 *dither_seed) +{ + Word32 temp, temp1, i, dither_fac, rand_dith, rand_dith2; + + /* Insert comfort noise dithering for energy parameter */ + rand_dith = D_UTIL_random(dither_seed) >> 1; + rand_dith2 = D_UTIL_random(dither_seed) >> 1; + rand_dith = rand_dith + rand_dith2; + *L_log_en_int = *L_log_en_int + ((rand_dith * GAIN_FACTOR) << 1); + + if (*L_log_en_int < 0) { + *L_log_en_int = 0; + } + + /* Insert comfort noise dithering for spectral parameters (ISF-vector) */ + dither_fac = ISF_FACTOR_LOW; + rand_dith = D_UTIL_random(dither_seed) >> 1; + rand_dith2 = D_UTIL_random(dither_seed) >> 1; + rand_dith = rand_dith + rand_dith2; + temp = isf[0] + (((rand_dith * dither_fac) + 0x4000) >> 15); + + /* Make sure that isf[0] will not get negative values */ + if (temp < ISF_GAP) { + isf[0] = ISF_GAP; + } else { + isf[0] = (Word16)temp; + } + + for (i = 1; i < M - 1; i++) { + dither_fac = dither_fac + ISF_FACTOR_STEP; + rand_dith = D_UTIL_random(dither_seed) >> 1; + rand_dith2 = D_UTIL_random(dither_seed) >> 1; + rand_dith = rand_dith + rand_dith2; + temp = isf[i] + (((rand_dith * dither_fac) + 0x4000) >> 15); + temp1 = temp - isf[i - 1]; + + /* Make sure that isf spacing remains at least ISF_DITH_GAP Hz */ + if (temp1 < ISF_DITH_GAP) { + isf[i] = (Word16)(isf[i - 1] + ISF_DITH_GAP); + } else { + isf[i] = (Word16)temp; + } + } + + /* Make sure that isf[M-2] will not get values above 16384 */ + if (isf[M - 2] > 16384) { + isf[M - 2] = 16384; + } + + return; +} + + +/* + * D_DTX_exe + * + * Parameters: + * st I/O: state struct + * exc2 O: CN excitation + * new_state I: New DTX state + * prms I: Vector of synthesis parameters + * isf O: CN ISF vector + * + * Function: + * Confort noise generation + * + * Returns: + * void + */ +void D_DTX_exe(D_DTX_State *st, Word16 *exc2, Word16 new_state, Word16 isf[], + Word16 **prms) +{ + + Word32 i, j, L_tmp, ptr; + Word32 exp0, int_fac; + Word32 gain; + Word32 L_isf[M], L_log_en_int, level32, ener32; + Word16 log_en_index; + Word16 tmp_int_length; + Word16 exp, log_en_int_e, log_en_int_m, level; + + + /* + * This function is called if synthesis state is not SPEECH. + * The globally passed inputs to this function are + * st->sid_frame + * st->valid_data + * st->dtxHangoverAdded + * new_state (SPEECH, DTX, D_DTX_MUTE) + */ + if ((st->mem_dtx_hangover_added != 0) & (st->mem_sid_frame != 0)) { + /* sid_first after dtx hangover period + * or sid_upd after dtxhangover + * consider twice the last frame + */ + ptr = st->mem_hist_ptr + 1; + + if (ptr == D_DTX_HIST_SIZE) { + ptr = 0; + } + + memcpy(&st->mem_isf_buf[ptr * M], &st->mem_isf_buf[st->mem_hist_ptr * M], + M * sizeof(Word16)); + + st->mem_log_en_buf[ptr] = st->mem_log_en_buf[st->mem_hist_ptr]; + + /* compute mean log energy and isf from decoded signal (SID_FIRST) */ + st->mem_log_en = 0; + memset(L_isf, 0, M * sizeof(Word32)); + + /* average energy and isf */ + for (i = 0; i < D_DTX_HIST_SIZE; i++) { + /* + * Division by D_DTX_HIST_SIZE = 8 has been done in dtx_buffer log_en + * is in Q10 + */ + st->mem_log_en = (Word16)(st->mem_log_en + st->mem_log_en_buf[i]); + + for (j = 0; j < M; j++) { + L_isf[j] = L_isf[j] + st->mem_isf_buf[i * M + j]; + } + } + + /* st->log_en in Q9 */ + st->mem_log_en = (Word16)(st->mem_log_en >> 1); + + /* + * Add 2 in Q9, in order to have only positive values for Pow2 + * this value is subtracted back after Pow2 function + */ + st->mem_log_en = (Word16)(st->mem_log_en + 1024); + + if (st->mem_log_en < 0) { + st->mem_log_en = 0; + } + + for (j = 0; j < M; j++) { + st->mem_isf[j] = (Word16)(L_isf[j] >> 3); /* divide by 8 */ + } + } + + if (st->mem_sid_frame != 0) { + /* + * Set old SID parameters, always shift + * even if there is no new valid_data + */ + memcpy(st->mem_isf_prev, st->mem_isf, M * sizeof(Word16)); + st->mem_log_en_prev = st->mem_log_en; + + if (st->mem_valid_data != 0) { /* new data available (no CRC) */ + /* st->true_sid_period_inv = 1.0f/st->since_last_sid; */ + + /* + * Compute interpolation factor, since the division only works + * for values of since_last_sid < 32 we have to limit + * the interpolation to 32 frames + */ + tmp_int_length = st->mem_since_last_sid; + + if (tmp_int_length > 32) { + tmp_int_length = 32; + } + + if (tmp_int_length >= 2) { + st->mem_true_sid_period_inv = + (Word16)(0x2000000 / (tmp_int_length << 10)); + } else { + st->mem_true_sid_period_inv = 1 << 14; /* 0.5 it Q15 */ + } + + D_LPC_isf_noise_d(*prms, st->mem_isf); + (*prms) += 5; + log_en_index = *(*prms)++; + + /* read background noise stationarity information */ + st->mem_cn_dith = *(*prms)++; + + /* + * st->log_en = (Float32)log_en_index / 2.625 - 2.0; + * log2(E) in Q9 (log2(E) lies in between -2:22) + */ + st->mem_log_en = (Word16)(log_en_index << (15 - 6)); + + /* Divide by 2.625 */ + st->mem_log_en = (Word16)((st->mem_log_en * 12483) >> 15); + + /* + * Subtract 2 in Q9 is done later, after Pow2 function + * no interpolation at startup after coder reset + * or when SID_UPD has been received right after SPEECH + */ + if ((st->mem_data_updated == 0) || + (st->mem_dtx_global_state == SPEECH)) { + memcpy(st->mem_isf_prev, st->mem_isf, M * sizeof(Word16)); + st->mem_log_en_prev = st->mem_log_en; + } + } /* endif valid_data */ + } /* endif sid_frame */ + + if ((st->mem_sid_frame != 0) && (st->mem_valid_data != 0)) { + st->mem_since_last_sid = 0; + } + + /* Interpolate SID info */ + if (st->mem_since_last_sid < 32) { + int_fac = st->mem_since_last_sid << 10; /* Q10 */ + } else { + int_fac = 32767; + } + /* Q10 * Q15 -> Q10 */ + int_fac = (int_fac * st->mem_true_sid_period_inv) >> 15; + + /* Maximize to 1.0 in Q10 */ + if (int_fac > 1024) { + int_fac = 1024; + } + int_fac = int_fac << 4; /* Q10 -> Q14 */ + L_log_en_int = (int_fac * st->mem_log_en) << 1; /* Q14 * Q9 -> Q24 */ + + for (i = 0; i < M; i++) { + /* Q14 * Q15 -> Q14 */ + isf[i] = (Word16)((int_fac * st->mem_isf[i]) >> 15); + } + int_fac = 16384 - int_fac; /* 1-k in Q14 */ + + /* ( Q14 * Q9 -> Q24 ) + Q24 -> Q24 */ + L_log_en_int = L_log_en_int + ((int_fac * st->mem_log_en_prev) << 1); + + for (i = 0; i < M; i++) { + /* Q14 + (Q14 * Q15 -> Q14) -> Q14 */ + L_tmp = isf[i] + ((int_fac * st->mem_isf_prev[i]) >> 15); + isf[i] = (Word16)(L_tmp << 1); /* Q14 -> Q15 */ + } + + /* If background noise is non-stationary, insert comfort noise dithering */ + if (st->mem_cn_dith != 0) { + D_DTX_cn_dithering(isf, &L_log_en_int, &st->mem_dither_seed); + } + + /* L_log_en_int corresponds to log2(E)+2 in Q24, i.e log2(gain)+1 in Q25 */ + L_log_en_int = (L_log_en_int >> 9); /* Q25 -> Q16 */ + + /* Find integer part */ + log_en_int_e = (Word16)((L_log_en_int) >> 16); + + /* Find fractional part */ + log_en_int_m = (Word16)((L_log_en_int - (log_en_int_e << 16)) >> 1); + + /* + * Subtract 2 from L_log_en_int in Q9, + * i.e divide the gain by 2 (energy by 4) + * Add 16 in order to have the result of pow2 in Q16 + */ + log_en_int_e = (Word16)(log_en_int_e + (16 - 1)); + + /* level = (Float32)( pow( 2.0f, log_en ) ); */ + level32 = D_UTIL_pow2(log_en_int_e, log_en_int_m); /* Q16 */ + exp0 = D_UTIL_norm_l(level32); + level32 = (level32 << exp0); /* level in Q31 */ + exp0 = (15 - exp0); + level = (Word16)(level32 >> 16); /* level in Q15 */ + + /* generate white noise vector */ + for (i = 0; i < L_FRAME; i++) { + exc2[i] = (Word16)((D_UTIL_random(&(st->mem_cng_seed)) >> 4)); + } + + /* gain = level / sqrt(ener) * sqrt(L_FRAME) */ + /* energy of generated excitation */ + ener32 = D_UTIL_dot_product12(exc2, exc2, L_FRAME, &exp); + D_UTIL_normalised_inverse_sqrt(&ener32, &exp); + gain = ener32 >> 16; + gain = (level * gain) >> 15; /* gain in Q15 */ + + /* Multiply by sqrt(L_FRAME)=16, i.e. shift left by 4 */ + exp = (Word16)(exp0 + exp + 4); + + if (exp >= 0) { + for (i = 0; i < L_FRAME; i++) { + L_tmp = (exc2[i] * gain) >> 15; /* Q0 * Q15 */ + exc2[i] = (Word16)(L_tmp << exp); + } + } else { + exp = (Word16) - exp; + + for (i = 0; i < L_FRAME; i++) { + L_tmp = (exc2[i] * gain) >> 15; /* Q0 * Q15 */ + exc2[i] = (Word16)(L_tmp >> exp); + } + } + + if (new_state == D_DTX_MUTE) { + /* + * mute comfort noise as it has been quite a long time since + * last SID update was performed + */ + tmp_int_length = st->mem_since_last_sid; + + if (tmp_int_length > 32) { + tmp_int_length = 32; + } + + /* safety guard against division by zero */ + if (tmp_int_length <= 0) { + tmp_int_length = 8; + } + st->mem_true_sid_period_inv = D_UTIL_saturate((0x02000000 / (tmp_int_length << 10))); + st->mem_since_last_sid = 0; + st->mem_log_en_prev = st->mem_log_en; + + /* subtract 1/8 in Q9 (energy), i.e -3/8 dB */ + st->mem_log_en = D_UTIL_saturate(st->mem_log_en - 64); + } + + /* reset interpolation length timer if data has been updated. */ + if ((st->mem_sid_frame != 0) && ((st->mem_valid_data != 0) || + ((st->mem_valid_data == 0) && (st->mem_dtx_hangover_added) != 0))) { + st->mem_since_last_sid = 0; + st->mem_data_updated = 1; + } + + return; +} + + +/* + * D_DTX_activity_update + * + * Parameters: + * st I/O: state struct + * isf O: ISF vector + * exc O: excitation + * + * Function: + * Confort noise generation + * + * Returns: + * void + */ +void D_DTX_activity_update(D_DTX_State *st, Word16 isf[], Word16 exc[]) +{ + + Word32 L_frame_en, log_en; + Word32 i; + Word16 log_en_e, log_en_m; + + st->mem_hist_ptr = (Word16)(st->mem_hist_ptr + 1); + + if (st->mem_hist_ptr == D_DTX_HIST_SIZE) { + st->mem_hist_ptr = 0; + } + + memcpy(&st->mem_isf_buf[st->mem_hist_ptr * M], isf, M * sizeof(Word16)); + + /* compute log energy based on excitation frame energy in Q0 */ + L_frame_en = 0; + + for (i = 0; i < L_FRAME; i++) { + L_frame_en = L_frame_en + (exc[i] * exc[i]); + if (L_frame_en > MAX_31) { + L_frame_en = MAX_31; + break; + } + } + + /* + * log_en = + * (Float32)log10(L_frame_en/(Float32)L_FRAME)/(Float32)log10(2.0f); + */ + D_UTIL_log2(L_frame_en, &log_en_e, &log_en_m); + + /* + * convert exponent and mantissa to Word16 Q7. + * Q7 is used to simplify averaging in dtx_enc + */ + log_en = log_en_e << 7; /* Q7 */ + log_en = log_en + (log_en_m >> (15 - 7)); + + /* Divide by L_FRAME = 256, i.e subtract 8 in Q7 = 1024 */ + log_en = log_en - 1024; + + /* insert into log energy buffer */ + st->mem_log_en_buf[st->mem_hist_ptr] = (Word16)log_en; + + return; +} diff --git a/audio_codec/libamr/dec_dtx.h b/audio_codec/libamr/dec_dtx.h new file mode 100644 index 0000000..b8219bc --- a/dev/null +++ b/audio_codec/libamr/dec_dtx.h @@ -0,0 +1,49 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#ifndef DEC_DTX_H +#define DEC_DTX_H + +#include "typedef.h" + +#define M 16 /* Order of LP filter */ +#define SPEECH 0 +#define DTX 1 +#define D_DTX_MUTE 2 +#define D_DTX_HIST_SIZE 8 + +typedef struct { + Word16 mem_isf_buf[M * D_DTX_HIST_SIZE]; /* ISF vector history (8 frames)*/ + Word16 mem_isf[M]; /* ISF vector */ + Word16 mem_isf_prev[M]; /* Previous ISF vector */ + Word16 mem_log_en_buf[D_DTX_HIST_SIZE];/* logarithmic frame energy history*/ + Word16 mem_true_sid_period_inv; /* inverse of true SID update rate */ + Word16 mem_log_en; /* logarithmic frame energy */ + Word16 mem_log_en_prev; /* previous logarithmic frame energy */ + Word16 mem_cng_seed; /* Comfort noise excitation seed */ + Word16 mem_hist_ptr; /* index to beginning of LSF history */ + Word16 mem_dither_seed; /* comfort noise dithering seed */ + Word16 mem_cn_dith; /* background noise stationarity information*/ + Word16 mem_since_last_sid; /* number of frames since last SID frame */ + + UWord8 mem_dec_ana_elapsed_count;/* counts elapsed speech frames after DTX*/ + UWord8 mem_dtx_global_state; /* DTX state flags */ + UWord8 mem_data_updated; /* flags CNI updates */ + UWord8 mem_dtx_hangover_count;/* counts down in hangover period */ + UWord8 mem_sid_frame; /* flags SID frames */ + UWord8 mem_valid_data; /* flags SID frames containing valid data */ + UWord8 mem_dtx_hangover_added;/* flags hangover period at end of speech */ + +} D_DTX_State; + +int D_DTX_init(D_DTX_State **st, const Word16 *isf_init); +int D_DTX_reset(D_DTX_State *st, const Word16 *isf_init); +void D_DTX_exit(D_DTX_State **st); +UWord8 D_DTX_rx_handler(D_DTX_State *st, UWord8 frame_type); +void D_DTX_exe(D_DTX_State *st, Word16 *exc2, Word16 new_state, + Word16 isf[], Word16 **prms); +void D_DTX_activity_update(D_DTX_State *st, Word16 isf[], Word16 exc[]); + +#endif diff --git a/audio_codec/libamr/dec_gain.c b/audio_codec/libamr/dec_gain.c new file mode 100644 index 0000000..aa69cf2 --- a/dev/null +++ b/audio_codec/libamr/dec_gain.c @@ -0,0 +1,853 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#include +#include "typedef.h" +#include "dec_util.h" + +#define L_SUBFR 64 /* Subframe size */ +#define L_LTPHIST 5 +#define ONE_PER_3 10923 +#define ONE_PER_LTPHIST 6554 +#define UP_SAMP 4 +#define L_INTERPOL2 16 + +extern const Word16 D_ROM_inter4_2[]; +extern const Word16 D_ROM_pdown_unusable[]; +extern const Word16 D_ROM_pdown_usable[]; +extern const Word16 D_ROM_cdown_unusable[]; +extern const Word16 D_ROM_cdown_usable[]; +extern const Word16 D_ROM_qua_gain6b[]; +extern const Word16 D_ROM_qua_gain7b[]; + +/* + * D_GAIN_init + * + * Parameters: + * mem O: static memory + * + * Function: + * Initialisation of 2nd order quantiser energy predictor. + * + * Returns: + * void + */ +void D_GAIN_init(Word16 *mem) +{ + + /* 4nd order quantizer energy predictor (init to -14.0 in Q10) */ + mem[0] = -14336; /* past_qua_en[0] */ + mem[1] = -14336; /* past_qua_en[1] */ + mem[2] = -14336; /* past_qua_en[2] */ + mem[3] = -14336; /* past_qua_en[3] */ + /* + * mem[4] = 0; past_gain_pit + * mem[5] = 0; past_gain_code + * mem[6] = 0; prev_gc + * mem[7 - 11] = 0; pbuf[i] + * mem[12 - 16] = 0; gbuf[i] + * mem[17 - 21] = 0; pbuf2[i] + */ + memset(&mem[4], 0, 18 * sizeof(Word16)); + + mem[22] = 21845; /* seed */ + return; +} + + +/* + * D_GAIN_median + * + * Parameters: + * buf I: previous gains + * + * Function: + * Median of gains + * + * Returns: + * median of 5 previous gains + */ +static Word16 D_GAIN_median(Word16 x[]) +{ + Word16 x1, x2, x3, x4, x5; + Word16 tmp; + x1 = x[ - 2]; + x2 = x[ - 1]; + x3 = x[0]; + x4 = x[1]; + x5 = x[2]; + + if (x2 < x1) { + tmp = x1; + x1 = x2; + x2 = tmp; + } + + if (x3 < x1) { + tmp = x1; + x1 = x3; + x3 = tmp; + } + + if (x4 < x1) { + tmp = x1; + x1 = x4; + x4 = tmp; + } + + if (x5 < x1) { + x5 = x1; + } + + if (x3 < x2) { + tmp = x2; + x2 = x3; + x3 = tmp; + } + + if (x4 < x2) { + tmp = x2; + x2 = x4; + x4 = tmp; + } + + if (x5 < x2) { + x5 = x2; + } + + if (x4 < x3) { + x3 = x4; + } + + if (x5 < x3) { + x3 = x5; + } + + return(x3); +} + + +/* + * D_GAIN_decode + * + * Parameters: + * index I: Quantization index + * nbits I: number of bits (6 or 7) + * code I: Innovative code vector + * L_subfr I: Subframe size + * gain_pit O: (Q14) Quantized pitch gain + * gain_code O: (Q16) Quantized codebook gain + * bfi I: Bad frame indicator + * prev_bfi I: Previous BF indicator + * state I: State of BFH + * unusable_frame I: UF indicator + * vad_hist I: number of non-speech frames + * mem I/O: static memory (4 words) + * + * + * Function: + * Decoding of pitch and codebook gains + * + * Returns: + * void + */ +void D_GAIN_decode(Word16 index, Word16 nbits, Word16 code[], Word16 *gain_pit, + Word32 *gain_cod, Word16 bfi, Word16 prev_bfi, + Word16 state, Word16 unusable_frame, Word16 vad_hist, + Word16 *mem) +{ + + Word32 gcode0, qua_ener, L_tmp; + const Word16 * p; + Word16 *past_gain_pit, *past_gain_code, *past_qua_en, *prev_gc; + Word16 *gbuf, *pbuf, *pbuf2; + Word16 i, tmp, exp, frac, exp_gcode0, gcode_inov; + Word16 g_code; + + past_qua_en = mem; + past_gain_pit = mem + 4; + past_gain_code = mem + 5; + prev_gc = mem + 6; + pbuf = mem + 7; + gbuf = mem + 12; + pbuf2 = mem + 17; + + /* + * Find energy of code and compute: + * + * L_tmp = 1.0 / sqrt(energy of code/ L_subfr) + */ + L_tmp = D_UTIL_dot_product12(code, code, L_SUBFR, &exp); + exp = (Word16)(exp - (18 + 6)); /* exp: -18 (code in Q9), -6 (/L_subfr) */ + D_UTIL_normalised_inverse_sqrt(&L_tmp, &exp); + + if (exp > 3) { + L_tmp <<= (exp - 3); + } else { + L_tmp >>= (3 - exp); + } + + gcode_inov = (Word16)(L_tmp >> 16); /* g_code_inov in Q12 */ + + /* + * Case of erasure. + */ + if (bfi != 0) { + tmp = D_GAIN_median(&pbuf[2]); + *past_gain_pit = tmp; + + if (*past_gain_pit > 15565) { + *past_gain_pit = 15565; /* 0.95 in Q14 */ + } + + if (unusable_frame != 0) { + *gain_pit = + (Word16)((D_ROM_pdown_unusable[state] * *past_gain_pit) >> 15); + } else { + *gain_pit = + (Word16)((D_ROM_pdown_usable[state] * *past_gain_pit) >> 15); + } + + tmp = D_GAIN_median(&gbuf[2]); + + if (vad_hist > 2) { + *past_gain_code = tmp; + } else { + if (unusable_frame != 0) { + *past_gain_code = + (Word16)((D_ROM_cdown_unusable[state] * tmp) >> 15); + } else { + *past_gain_code = + (Word16)((D_ROM_cdown_usable[state] * tmp) >> 15); + } + } + + /* update table of past quantized energies */ + L_tmp = past_qua_en[0] + past_qua_en[1] + past_qua_en[2] + past_qua_en[3]; + qua_ener = L_tmp >> 2; + qua_ener = qua_ener - 3072; /* -3 in Q10 */ + + if (qua_ener < - 14336) { + qua_ener = -14336; /* -14 in Q10 */ + } + + past_qua_en[3] = past_qua_en[2]; + past_qua_en[2] = past_qua_en[1]; + past_qua_en[1] = past_qua_en[0]; + past_qua_en[0] = (Word16)qua_ener; + + for (i = 1; i < 5; i++) { + gbuf[i - 1] = gbuf[i]; + } + gbuf[4] = *past_gain_code; + + for (i = 1; i < 5; i++) { + pbuf[i - 1] = pbuf[i]; + } + pbuf[4] = *past_gain_pit; + + /* adjust gain according to energy of code */ + /* past_gain_code(Q3) * gcode_inov(Q12) => Q16 */ + *gain_cod = (*past_gain_code * gcode_inov) << 1; + + return; + } + + /* + * Compute gcode0. + * = Sum(i=0,1) pred[i]*past_qua_en[i] + mean_ener - ener_code + */ + + /* MEAN_ENER in Q24 = 0x1e000000 */ + /* MA prediction coeff = {0.5, 0.4, 0.3, 0.2} in Q13 */ + L_tmp = 0xF000000 + (4096 * past_qua_en[0]); /* Q13*Q10 -> Q24 */ + L_tmp = L_tmp + (3277 * past_qua_en[1]); /* Q13*Q10 -> Q24 */ + L_tmp = L_tmp + (2458 * past_qua_en[2]); /* Q13*Q10 -> Q24 */ + L_tmp = L_tmp + (1638 * past_qua_en[3]); /* Q13*Q10 -> Q24 */ + gcode0 = L_tmp >> 15; /* From Q24 to Q8 */ + + /* + * gcode0 = pow(10.0, gcode0/20) + * = pow(2, 3.321928*gcode0/20) + * = pow(2, 0.166096*gcode0) + */ + L_tmp = (gcode0 * 5443) >> 7; + /* *0.166096 in Q15 -> Q24, From Q24 to Q16 */ + D_UTIL_l_extract(L_tmp, &exp_gcode0, &frac); + /* Extract exponant of gcode0 */ + gcode0 = D_UTIL_pow2(14, frac); /* Put 14 as exponant so that */ + + /* + * output of Pow2() will be: + * 16384 < Pow2() <= 32767 + */ + exp_gcode0 = (Word16)(exp_gcode0 - 14); + + /* Read the quantized gains */ + if (nbits == 6) { + p = &D_ROM_qua_gain6b[(index << 1)]; + } else { + p = &D_ROM_qua_gain7b[(index << 1)]; + } + + *gain_pit = *p++; /* selected pitch gain in Q14 */ + g_code = *p++; /* selected code gain in Q11 */ + L_tmp = g_code * gcode0; + exp_gcode0 += 5; + + if (exp_gcode0 >= 0) { + *gain_cod = L_tmp << exp_gcode0; /* gain of code in Q16 */ + } else { + *gain_cod = L_tmp >> -exp_gcode0; /* gain of code in Q16 */ + } + + if (prev_bfi == 1) { + L_tmp = (*prev_gc * 5120) << 1; /* prev_gc(Q3) * 1.25(Q12) = Q16 */ + + /* if((*gain_cod > ((*prev_gc) * 1.25)) && (*gain_cod > 100.0)) */ + if ((*gain_cod > L_tmp) & (*gain_cod > 6553600)) { + *gain_cod = L_tmp; + } + } + + /* keep past gain code in Q3 for frame erasure (can saturate) */ + L_tmp = (*gain_cod + 0x1000) >> 13; + + if (L_tmp < 32768) { + *past_gain_code = (Word16)L_tmp; + } else { + *past_gain_code = 32767; + } + + *past_gain_pit = *gain_pit; + *prev_gc = *past_gain_code; + + for (i = 1; i < 5; i++) { + gbuf[i - 1] = gbuf[i]; + } + gbuf[4] = *past_gain_code; + + for (i = 1; i < 5; i++) { + pbuf[i - 1] = pbuf[i]; + } + pbuf[4] = *past_gain_pit; + + for (i = 1; i < 5; i++) { + pbuf2[i - 1] = pbuf2[i]; + } + pbuf2[4] = *past_gain_pit; + + /* adjust gain according to energy of code */ + D_UTIL_l_extract(*gain_cod, &exp, &frac); + L_tmp = D_UTIL_mpy_32_16(exp, frac, gcode_inov); + + if (L_tmp < 0xFFFFFFF) { + *gain_cod = (L_tmp << 3); /* gcode_inov in Q12 */ + } else { + *gain_cod = 0x7FFFFFFF; + } + + /* + * qua_ener = 20*log10(g_code) + * = 6.0206*log2(g_code) + * = 6.0206*(log2(g_codeQ11) - 11) + */ + L_tmp = (Word32)(g_code); + D_UTIL_log2(L_tmp, &exp, &frac); + exp = (Word16)(exp - 11); + L_tmp = D_UTIL_mpy_32_16(exp, frac, 24660); /* x 6.0206 in Q12 */ + qua_ener = L_tmp >> 3; /* result in Q10 */ + + /* update table of past quantized energies */ + past_qua_en[3] = past_qua_en[2]; + past_qua_en[2] = past_qua_en[1]; + past_qua_en[1] = past_qua_en[0]; + past_qua_en[0] = (Word16)qua_ener; + + return; +} + + +/* + * D_GAIN_adaptive_control + * + * Parameters: + * sig_in I: postfilter input signal + * sig_out I/O: postfilter output signal + * l_trm I: subframe size + * + * Function: + * Adaptive gain control is used to compensate for + * the gain difference between the non-emphasized excitation and + * emphasized excitation. + * + * Returns: + * void + */ +void D_GAIN_adaptive_control(Word16 *sig_in, Word16 *sig_out, Word16 l_trm) +{ + Word32 s, temp, i, exp; + Word32 gain_in, gain_out, g0; + + /* calculate gain_out with exponent */ + temp = sig_out[0] >> 2; + s = temp * temp; + + for (i = 1; i < l_trm; i++) { + temp = sig_out[i] >> 2; + s += temp * temp; + } + + s <<= 1; + + if (s == 0) { + return; + } + exp = (D_UTIL_norm_l(s) - 1); + + if (exp >= 0) { + gain_out = ((s << exp) + 0x8000) >> 16; + } else { + gain_out = ((s >> -exp) + 0x8000) >> 16; + } + + /* calculate gain_in with exponent */ + temp = sig_in[0] >> 2; + s = temp * temp; + + for (i = 1; i < l_trm; i++) { + temp = sig_in[i] >> 2; + s += temp * temp; + } + + s <<= 1; + + if (s == 0) { + g0 = 0; + } else { + i = D_UTIL_norm_l(s); + s = ((s << i) + 0x8000) >> 16; + + if ((s < 32768) & (s > 0)) { + gain_in = s; + } else { + gain_in = 32767; + } + exp = exp - i; + + /* + * g0 = sqrt(gain_in/gain_out) + */ + s = (gain_out << 15) / gain_in; + s = s << (7 - exp); /* s = gain_out / gain_in */ + s = D_UTIL_inverse_sqrt(s); + g0 = ((s << 9) + 0x8000) >> 16; + } + + /* sig_out(n) = gain(n) sig_out(n) */ + for (i = 0; i < l_trm; i++) { + s = (sig_out[i] * g0) >> 13; + sig_out[i] = D_UTIL_saturate(s); + } + + return; +} + + +/* + * D_GAIN_insert_lag + * + * Parameters: + * array I/O: pitch lag history + * n I: history size + * x I: lag value + * + * Function: + * Insert lag into correct location + * + * Returns: + * void + */ +static void D_GAIN_insert_lag(Word16 array[], Word32 n, Word16 x) +{ + Word32 i; + + for (i = n - 1; i >= 0; i--) { + if (x < array[i]) { + array[i + 1] = array[i]; + } else { + break; + } + } + + array[i + 1] = x; +} + + +/* + * D_GAIN_sort_lag + * + * Parameters: + * array I/O: pitch lag history + * n I: history size + * + * Function: + * Sorting of the lag history + * + * Returns: + * void + */ +static void D_GAIN_sort_lag(Word16 array[], Word16 n) +{ + Word32 i; + + for (i = 0; i < n; i++) { + D_GAIN_insert_lag(array, i, array[i]); + } +} + + +/* + * D_GAIN_lag_concealment_init + * + * Parameters: + * lag_hist O: pitch lag history + * + * Function: + * Initialise lag history to 64 + * + * Returns: + * void + */ +void D_GAIN_lag_concealment_init(Word16 lag_hist[]) +{ + Word32 i; + + for (i = 0; i < L_LTPHIST; i++) { + lag_hist[i] = 64; + } +} + + +/* + * D_GAIN_lag_concealment + * + * Parameters: + * gain_hist I: gain history + * lag_hist I: pitch lag history + * T0 O: current lag + * old_T0 I: previous lag + * seed I/O: seed for random + * unusable_frame I: lost frame + * + * Function: + * Concealment of LTP lags during bad frames + * + * Returns: + * void + */ +void D_GAIN_lag_concealment(Word16 gain_hist[], Word16 lag_hist[], + Word32 *T0, Word16 *old_T0, Word16 *seed, + Word16 unusable_frame) +{ + Word32 i, lagDif, tmp, tmp2, D2, meanLag = 0; + Word16 lag_hist2[L_LTPHIST] = {0}; + Word16 maxLag, minLag, lastLag; + Word16 minGain, lastGain, secLastGain; + Word16 D; + + /* + * Is lag index such that it can be aplied directly + * or does it has to be subtituted + */ + lastGain = gain_hist[4]; + secLastGain = gain_hist[3]; + lastLag = lag_hist[0]; + + /* SMALLEST history lag */ + minLag = lag_hist[0]; + + for (i = 1; i < L_LTPHIST; i++) { + if (lag_hist[i] < minLag) { + minLag = lag_hist[i]; + } + } + + /* BIGGEST history lag */ + maxLag = lag_hist[0]; + + for (i = 1; i < L_LTPHIST; i++) { + if (lag_hist[i] > maxLag) { + maxLag = lag_hist[i]; + } + } + + /* SMALLEST history gain */ + minGain = gain_hist[0]; + + for (i = 1; i < L_LTPHIST; i++) { + if (gain_hist[i] < minGain) { + minGain = gain_hist[i]; + } + } + + /* Difference between MAX and MIN lag */ + lagDif = maxLag - minLag; + + if (unusable_frame != 0) { + /* + * LTP-lag for RX_SPEECH_LOST + * Recognition of the LTP-history + */ + if ((minGain > 8192) & (lagDif < 10)) { + *T0 = *old_T0; + } else if ((lastGain > 8192) && (secLastGain > 8192)) { + *T0 = lag_hist[0]; + } else { + /* + * SORT + * The sorting of the lag history + */ + for (i = 0; i < L_LTPHIST; i++) { + lag_hist2[i] = lag_hist[i]; + } + D_GAIN_sort_lag(lag_hist2, 5); + + /* + * Lag is weighted towards bigger lags + * and random variation is added + */ + lagDif = (lag_hist2[4] - lag_hist2[2]); + + if (lagDif > 40) { + lagDif = 40; + } + + D = D_UTIL_random(seed); /* D={-1, ...,1} */ + + /* D2={-lagDif/2..lagDif/2} */ + tmp = lagDif >> 1; + D2 = (tmp * D) >> 15; + tmp = (lag_hist2[2] + lag_hist2[3]) + lag_hist2[4]; + *T0 = ((tmp * ONE_PER_3) >> 15) + D2; + } + + /* New lag is not allowed to be bigger or smaller than last lag values */ + if (*T0 > maxLag) { + *T0 = maxLag; + } + + if (*T0 < minLag) { + *T0 = minLag; + } + } else { + /* + * LTP-lag for RX_BAD_FRAME + * MEAN lag + */ + meanLag = 0; + + for (i = 0; i < L_LTPHIST; i++) { + meanLag = meanLag + lag_hist[i]; + } + + meanLag = (meanLag * ONE_PER_LTPHIST) >> 15; + tmp = *T0 - maxLag; + tmp2 = *T0 - lastLag; + + if ((lagDif < 10) & (*T0 > (minLag - 5)) & (tmp < 5)) { + *T0 = *T0; + } else if ((lastGain > 8192) & (secLastGain > 8192) & ((tmp2 > - 10) + & (tmp2 < 10))) { + *T0 = *T0; + } else if ((minGain < 6554) & (lastGain == minGain) & ((*T0 > minLag) + & (*T0 < maxLag))) { + *T0 = *T0; + } else if ((lagDif < 70) & (*T0 > minLag) & (*T0 < maxLag)) { + *T0 = *T0; + } else if ((*T0 > meanLag) & (*T0 < maxLag)) { + *T0 = *T0; + } else { + if ((minGain > 8192) & (lagDif < 10)) { + *T0 = lag_hist[0]; + } else if ((lastGain > 8192) & (secLastGain > 8192)) { + *T0 = lag_hist[0]; + } else { + /* + * SORT + * The sorting of the lag history + */ + for (i = 0; i < L_LTPHIST; i++) { + lag_hist2[i] = lag_hist[i]; + } + + D_GAIN_sort_lag(lag_hist2, 5); + + /* + * Lag is weighted towards bigger lags + * and random variation is added + */ + lagDif = lag_hist2[4] - lag_hist2[2]; + + if (lagDif > 40) { + lagDif = 40; + } + + D = D_UTIL_random(seed); /* D={-1,.., 1} */ + + /* D2={-lagDif/2..lagDif/2} */ + tmp = lagDif >> 1; + D2 = (tmp * D) >> 15; + tmp = (lag_hist2[2] + lag_hist2[3]) + lag_hist2[4]; + *T0 = ((tmp * ONE_PER_3) >> 15) + D2; + } + + /* + * New lag is not allowed to be bigger or + * smaller than last lag values + */ + if (*T0 > maxLag) { + *T0 = maxLag; + } + + if (*T0 < minLag) { + *T0 = minLag; + } + } + } +} + + +/* + * D_GAIN_adaptive_codebook_excitation + * + * Parameters: + * exc I/O: excitation buffer + * T0 I: integer pitch lag + * frac I: fraction of lag + * + * Function: + * Compute the result of Word32 term prediction with fractional + * interpolation of resolution 1/4. + * + * Returns: + * interpolated signal (adaptive codebook excitation) + */ +void D_GAIN_adaptive_codebook_excitation(Word16 exc[], Word32 T0, Word32 frac) +{ + Word32 i, j, k, sum; + Word16 *x; + + x = &exc[ - T0]; + frac = -(frac); + + if (frac < 0) { + frac = (frac + UP_SAMP); + x--; + } + x = x - L_INTERPOL2 + 1; + + for (j = 0; j < L_SUBFR + 1; j++) { + sum = 0L; + + for (i = 0, k = ((UP_SAMP - 1) - frac); i < 2 * L_INTERPOL2; i++, + k += UP_SAMP) { + sum += x[i] * D_ROM_inter4_2[k]; + } + sum = (sum + 0x2000) >> 14; + + exc[j] = D_UTIL_saturate(sum); + + x++; + } + return; +} + + +/* + * D_GAIN_pitch_sharpening + * + * Parameters: + * x I/O: impulse response (or algebraic code) + * pit_lag I: pitch lag + * sharp I: (Q15) pitch sharpening factor + * + * Function: + * Performs Pitch sharpening routine for one subframe. + * + * Returns: + * void + */ +void D_GAIN_pitch_sharpening(Word16 *x, Word32 pit_lag, Word16 sharp) +{ + Word32 i; + Word32 tmp; + + for (i = pit_lag; i < L_SUBFR; i++) { + tmp = x[i] << 15; + tmp += x[i - pit_lag] * sharp; + x[i] = (Word16)((tmp + 0x4000) >> 15); + } + return; +} + + +/* + * D_GAIN_find_voice_factor + * + * Parameters: + * exc I: pitch excitation + * Q_exc I: exc format + * gain_pit I: (Q14) gain of pitch + * code I: (Q9) fixed codebook excitation + * gain_code I: (Q0) gain of code + * L_subfr I: subframe length + * + * Function: + * Find the voicing factor. + * + * Returns: + * (Q15) 1=voice to -1=unvoiced + */ +Word16 D_GAIN_find_voice_factor(Word16 exc[], Word16 Q_exc, + Word16 gain_pit, Word16 code[], + Word16 gain_code, Word16 L_subfr) +{ + + Word32 tmp, ener1, ener2, i; + Word16 exp, exp1, exp2; + + ener1 = (D_UTIL_dot_product12(exc, exc, L_subfr, &exp1)) >> 16; + exp1 = (Word16)(exp1 - (Q_exc + Q_exc)); + tmp = (gain_pit * gain_pit) << 1; + exp = D_UTIL_norm_l(tmp); + tmp = (tmp << exp) >> 16; + ener1 = (ener1 * tmp) >> 15; + exp1 = (Word16)((exp1 - exp) - 10); /* 10 -> gain_pit Q14 to Q9 */ + ener2 = D_UTIL_dot_product12(code, code, L_subfr, &exp2) >> 16; + exp = D_UTIL_norm_s(gain_code); + tmp = gain_code << exp; + tmp = (tmp * tmp) >> 15; + ener2 = (ener2 * tmp) >> 15; + exp2 = (Word16)(exp2 - (exp << 1)); + i = exp1 - exp2; + + if (i >= 0) { + ener1 = ener1 >> 1; + ener2 = ener2 >> (i + 1); + } else if (i > (-16)) { + ener1 = ener1 >> (1 - i); + ener2 = ener2 >> 1; + } else { + ener1 = 0; + ener2 = ener2 >> 1; + } + + tmp = ener1 - ener2; + ener1 = (ener1 + ener2) + 1; + tmp = (tmp << 15) / ener1; + + return((Word16)tmp); +} diff --git a/audio_codec/libamr/dec_gain.h b/audio_codec/libamr/dec_gain.h new file mode 100644 index 0000000..42e4524 --- a/dev/null +++ b/audio_codec/libamr/dec_gain.h @@ -0,0 +1,28 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#ifndef DEC_GAIN_H +#define DEC_GAIN_H + +#include "typedef.h" + +void D_GAIN_init(Word16 *mem); +void D_GAIN_decode(Word16 index, Word16 nbits, Word16 code[], Word16 *gain_pit, + Word32 *gain_cod, Word16 bfi, Word16 prev_bfi, + Word16 state, Word16 unusable_frame, Word16 vad_hist, + Word16 *mem); +void D_GAIN_adaptive_control(Word16 *sig_in, Word16 *sig_out, Word16 l_trm); +void D_GAIN_lag_concealment_init(Word16 lag_hist[]); +void D_GAIN_lag_concealment(Word16 gain_hist[], Word16 lag_hist[], Word32 *T0, + Word16 *old_T0, Word16 *seed, + Word16 unusable_frame); +void D_GAIN_adaptive_codebook_excitation(Word16 exc[], Word32 T0, Word32 frac); +void D_GAIN_pitch_sharpening(Word16 *x, Word32 pit_lag, Word16 sharp); +Word16 D_GAIN_find_voice_factor(Word16 exc[], Word16 Q_exc, Word16 gain_pit, + Word16 code[], Word16 gain_code, + Word16 L_subfr); + +#endif + diff --git a/audio_codec/libamr/dec_if.c b/audio_codec/libamr/dec_if.c new file mode 100644 index 0000000..00f57cf --- a/dev/null +++ b/audio_codec/libamr/dec_if.c @@ -0,0 +1,834 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#include +#include +#include "typedef.h" +#include "dec_if.h" +#include "if_rom.h" +#include "dec.h" + +#define L_FRAME16k 320 /* Frame size at 16kHz */ +#define MODE_7k 0 /* modes */ +#define MODE_9k 1 +#define MODE_12k 2 +#define MODE_14k 3 +#define MODE_16k 4 +#define MODE_18k 5 +#define MODE_20k 6 +#define MODE_23k 7 +#define MODE_24k 8 +#define MRDTX 9 +#define NUM_OF_MODES 10 +#define LOST_FRAME 14 +#define MRNO_DATA 15 +#define EHF_MASK (Word16)0x0008 /* homing frame pattern */ + +typedef struct { + Word16 reset_flag_old; /* previous was homing frame */ + Word16 prev_ft; /* previous frame type */ + Word16 prev_mode; /* previous mode */ + void *decoder_state; /* Points decoder state */ +} WB_dec_if_state; + +#ifdef ENABLE_CPU2_DECODER +CPU2_DATA_START +#endif + +Word16 nb_of_param_first[NUM_OF_SPMODES] = { + 9, 14, 15, + 15, 15, 19, + 19, 19, 19 +}; + +#ifdef ENABLE_CPU2_DECODER +CPU2_DATA_END +#endif + +extern const Word16 mode_7k[]; +extern const Word16 mode_9k[]; +extern const Word16 mode_12k[]; +extern const Word16 mode_14k[]; +extern const Word16 mode_16k[]; +extern const Word16 mode_18k[]; +extern const Word16 mode_20k[]; +extern const Word16 mode_23k[]; +extern const Word16 mode_24k[]; +extern const Word16 mode_DTX[]; + +extern const Word16 nb_of_param[]; + +extern const Word16 dfh_M7k[]; +extern const Word16 dfh_M9k[]; +extern const Word16 dfh_M12k[]; +extern const Word16 dfh_M14k[]; +extern const Word16 dfh_M16k[]; +extern const Word16 dfh_M18k[]; +extern const Word16 dfh_M20k[]; +extern const Word16 dfh_M23k[]; +extern const Word16 dfh_M24k[]; + +/* overall table with the parameters of the + decoder homing frames for all modes */ + +extern const Word16 *dhf[10]; + +/* + * Decoder_Interface_Homing_Frame_test + * + * Parameters: + * input_frame I: input parameters + * mode I: speech mode + * + * Function: + * Check parameters for matching homing frame + * + * Returns: + * If homing frame + */ +Word16 D_IF_homing_frame_test(Word16 input_frame[], Word16 mode) +{ + + if (mode != MODE_24k) { + /* perform test for COMPLETE parameter frame */ + return (Word16)!memcmp(input_frame, dhf[mode], nb_of_param[mode] * sizeof(Word16)); + } else { + /* discard high-band energy */ + return (Word16)!( + (memcmp(input_frame, dhf[MODE_24k], 19 * sizeof(Word16))) | + (memcmp(input_frame + 20, dhf[MODE_24k] + 20, 11 * sizeof(Word16))) | + (memcmp(input_frame + 32, dhf[MODE_24k] + 32, 11 * sizeof(Word16))) | + (memcmp(input_frame + 44, dhf[MODE_24k] + 44, 11 * sizeof(Word16)))); + + } +} + + +Word16 D_IF_homing_frame_test_first(Word16 input_frame[], Word16 mode) +{ + /* perform test for FIRST SUBFRAME of parameter frame ONLY */ + return (Word16)!memcmp(input_frame, dhf[mode], nb_of_param_first[mode] * sizeof(Word16)); +} + +#ifdef IF2 +/* + * D_IF_conversion + * + * + * Parameters: + * param O: AMR parameters + * stream I: input bitstream + * frame_type O: frame type + * speech_mode O: speech mode in DTX + * fqi O: frame quality indicator + * + * Function: + * Unpacks IF2 octet stream + * + * Returns: + * mode used mode + */ +Word16 D_IF_conversion(Word16 *param, UWord8 *stream, UWord8 *frame_type, + Word16 *speech_mode, Word16 *fqi) +{ + Word32 mode; + Word32 j; + Word16 const *mask; + + memset(param, 0, PRMNO_24k << 1); + mode = *stream >> 4; + *fqi = (Word16)((*stream >> 3) & 0x1); + *stream <<= (HEADER_SIZE - 1); + + switch (mode) { + case MRDTX: + mask = mode_DTX; + + for (j = HEADER_SIZE; j < T_NBBITS_SID; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + /* get SID type bit */ + + *frame_type = RX_SID_FIRST; + + if (*stream & 0x80) { + *frame_type = RX_SID_UPDATE; + } + + *stream <<= 1; + + /* speech mode indicator */ + *speech_mode = (Word16)(*stream >> 4); + break; + + case MRNO_DATA: + *frame_type = RX_NO_DATA; + break; + + case LOST_FRAME: + *frame_type = RX_SPEECH_LOST; + break; + + case MODE_7k: + mask = mode_7k; + + for (j = HEADER_SIZE; j < T_NBBITS_7k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_9k: + mask = mode_9k; + + for (j = HEADER_SIZE; j < T_NBBITS_9k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_12k: + mask = mode_12k; + + for (j = HEADER_SIZE; j < T_NBBITS_12k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_14k: + mask = mode_14k; + + for (j = HEADER_SIZE; j < T_NBBITS_14k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_16k: + mask = mode_16k; + + for (j = HEADER_SIZE; j < T_NBBITS_16k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_18k: + mask = mode_18k; + + for (j = HEADER_SIZE; j < T_NBBITS_18k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_20k: + mask = mode_20k; + + for (j = HEADER_SIZE; j < T_NBBITS_20k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_23k: + mask = mode_23k; + + for (j = HEADER_SIZE; j < T_NBBITS_23k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_24k: + mask = mode_24k; + + for (j = HEADER_SIZE; j < T_NBBITS_24k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + + } + + *frame_type = RX_SPEECH_GOOD; + break; + + default: + *frame_type = RX_SPEECH_LOST; + *fqi = 0; + break; + + } + + if (*fqi == 0) { + if (*frame_type == RX_SPEECH_GOOD) { + *frame_type = RX_SPEECH_BAD; + } + if ((*frame_type == RX_SID_FIRST) | (*frame_type == RX_SID_UPDATE)) { + *frame_type = RX_SID_BAD; + } + } + + return (Word16)mode; +} + +#else + +/* + * D_IF_mms_conversion + * + * + * Parameters: + * param O: AMR parameters + * stream I: input bitstream + * frame_type O: frame type + * speech_mode O: speech mode in DTX + * fqi O: frame quality indicator + * + * Function: + * Unpacks MMS formatted octet stream (see RFC 3267, section 5.3) + * + * Returns: + * mode used mode + */ +Word16 D_IF_mms_conversion(Word16 *param, UWord8 *stream, UWord8 *frame_type, + Word16 *speech_mode, Word16 *fqi) +{ + Word32 mode; + Word32 j; + Word16 const *mask; + + memset(param, 0, PRMNO_24k << 1); + + *fqi = (Word16)((*stream >> 2) & 0x01); + mode = (Word32)((*stream >> 3) & 0x0F); + + stream++; + + switch (mode) { + case MRDTX: + mask = mode_DTX; + + for (j = 1; j <= NBBITS_SID; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + /* get SID type bit */ + + *frame_type = RX_SID_FIRST; + + if (*stream & 0x80) { + *frame_type = RX_SID_UPDATE; + } + + *stream <<= 1; + + /* speech mode indicator */ + *speech_mode = (Word16)(*stream >> 4); + break; + + case MRNO_DATA: + *frame_type = RX_NO_DATA; + break; + + case LOST_FRAME: + *frame_type = RX_SPEECH_LOST; + break; + + case MODE_7k: + mask = mode_7k; + + for (j = 1; j <= NBBITS_7k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_9k: + mask = mode_9k; + + for (j = 1; j <= NBBITS_9k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_12k: + mask = mode_12k; + + for (j = 1; j <= NBBITS_12k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_14k: + mask = mode_14k; + + for (j = 1; j <= NBBITS_14k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_16k: + mask = mode_16k; + + for (j = 1; j <= NBBITS_16k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_18k: + mask = mode_18k; + + for (j = 1; j <= NBBITS_18k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_20k: + mask = mode_20k; + + for (j = 1; j <= NBBITS_20k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_23k: + mask = mode_23k; + + for (j = 1; j <= NBBITS_23k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + + } + + *frame_type = RX_SPEECH_GOOD; + break; + + case MODE_24k: + mask = mode_24k; + + for (j = 1; j <= NBBITS_24k; j++) { + if (*stream & 0x80) { + param[*mask] = (Word16)(param[*mask] + * (mask + 1)); + } + + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + + } + + *frame_type = RX_SPEECH_GOOD; + break; + + default: + *frame_type = RX_SPEECH_LOST; + *fqi = 0; + break; + + } + + if (*fqi == 0) { + if (*frame_type == RX_SPEECH_GOOD) { + *frame_type = RX_SPEECH_BAD; + } + if ((*frame_type == RX_SID_FIRST) | (*frame_type == RX_SID_UPDATE)) { + *frame_type = RX_SID_BAD; + } + } + + return (Word16)mode; +} + +#endif + +/* + * D_IF_decode + * + * + * Parameters: + * st B: pointer to state structure + * bits I: bitstream form the encoder + * synth O: decoder output + * lfi I: lost frame indicator + * _good_frame, _bad_frame, _lost_frame, _no_frame + * + * Function: + * Decoding one frame of speech. Lost frame indicator can be used + * to inform encoder about the problems in the received frame. + * _good_frame:good speech or sid frame is received. + * _bad_frame: frame with possible bit errors + * _lost_frame:speech of sid frame is lost in transmission + * _no_frame: indicates non-received frames in dtx-operation + * Returns: + * + */ +void D_IF_decode(void *st, UWord8 *bits, Word16 *synth, Word32 lfi) +{ + Word32 i; + Word16 mode = 0; /* AMR mode */ + Word16 speech_mode = MODE_7k; /* speech mode */ + Word16 fqi; /* frame quality indicator */ + + Word16 prm[PRMNO_24k]; /* AMR parameters */ + + UWord8 frame_type; /* frame type */ + Word16 reset_flag = 0; /* reset flag */ + WB_dec_if_state * s; /* pointer to structure */ + + s = (WB_dec_if_state*)st; + + /* bits -> param, if needed */ + if ((lfi == _good_frame) | (lfi == _bad_frame)) { + /* add fqi data */ +#ifdef IF2 + *bits = (UWord8)((Word32) * bits & ~(lfi << 3)); +#else + *bits = (UWord8)((Word32) * bits & ~(lfi << 2)); +#endif + /* + * extract mode information and frame_type, + * octets to parameters + */ +#ifdef IF2 + mode = D_IF_conversion(prm, bits, &frame_type, &speech_mode, &fqi); +#else + mode = D_IF_mms_conversion(prm, bits, &frame_type, &speech_mode, &fqi); +#endif + + } else if (lfi == _no_frame) { + frame_type = RX_NO_DATA; + } else { + frame_type = RX_SPEECH_LOST; + } + + /* + * if no mode information + * guess one from the previous frame + */ + if ((frame_type == RX_SPEECH_LOST) | (frame_type == RX_NO_DATA)) { + mode = s->prev_mode; + } + + if (mode == MRDTX) { + mode = speech_mode; + } + + /* if homed: check if this frame is another homing frame */ + if (s->reset_flag_old == 1) { + /* only check until end of first subframe */ + reset_flag = D_IF_homing_frame_test_first(prm, mode); + } + + /* produce encoder homing frame if homed & input=decoder homing frame */ + if ((reset_flag != 0) && (s->reset_flag_old != 0)) { + for (i = 0; i < L_FRAME16k; i++) { + synth[i] = EHF_MASK; + } + } else { + D_MAIN_decode(mode, prm, synth, s->decoder_state, frame_type); + } + + for (i = 0; i < L_FRAME16k; i++) { /* Delete the 2 LSBs (14-bit input) */ + synth[i] = (Word16)(synth[i] & 0xfffC); + } + + /* if not homed: check whether current frame is a homing frame */ + if ((s->reset_flag_old == 0) & (mode < 9)) { + /* check whole frame */ + reset_flag = D_IF_homing_frame_test(prm, mode); + } + /* reset decoder if current frame is a homing frame */ + if (reset_flag != 0) { + D_MAIN_reset(s->decoder_state, 1); + } + s->reset_flag_old = reset_flag; + + s->prev_ft = frame_type; + s->prev_mode = mode; +} + +/* + * D_IF_reset + * + * Parameters: + * st O: state struct + * + * Function: + * Reset homing frame counter + * + * Returns: + * void + */ +void D_IF_reset(WB_dec_if_state *st) +{ + st->reset_flag_old = 1; + st->prev_ft = RX_SPEECH_GOOD; + st->prev_mode = MODE_7k; /* minimum bitrate */ +} + +/* + * D_IF_init + * + * Parameters: + * + * Function: + * Allocates state memory and initializes state memory + * + * Returns: + * pointer to encoder interface structure + */ +void *D_IF_init(void) +{ + WB_dec_if_state *s = NULL; + + /* allocate memory */ + if ((s = (WB_dec_if_state*)malloc(sizeof(WB_dec_if_state))) == NULL) { + return NULL; + } + + D_MAIN_init(&(s->decoder_state)); + if (s->decoder_state == NULL) { + free(s); + return NULL; + } + + D_IF_reset(s); + + return (void *)s; +} + +/* + * D_IF_exit + * + * Parameters: + * state I: state structure + * + * Function: + * The memory used for state memory is freed + * + * Returns: + * Void + */ +void D_IF_exit(void *state) +{ + WB_dec_if_state *s; + + s = (WB_dec_if_state *)state; + + /* free memory */ + D_MAIN_close(&s->decoder_state); + free(s); + state = NULL; +} diff --git a/audio_codec/libamr/dec_if.h b/audio_codec/libamr/dec_if.h new file mode 100755 index 0000000..b914218 --- a/dev/null +++ b/audio_codec/libamr/dec_if.h @@ -0,0 +1,23 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#ifndef DEC_IF_H +#define DEC_IF_H + +#include "typedef.h" + +#define NB_SERIAL_MAX 61 /* max serial size */ +#define L_FRAME16k 320 /* Frame size at 16kHz */ + +#define _good_frame 0 +#define _bad_frame 1 +#define _lost_frame 2 +#define _no_frame 3 + +void D_IF_decode(void *st, UWord8 *bits, Word16 *synth, Word32 bfi); +void * D_IF_init(void); +void D_IF_exit(void *state); + +#endif diff --git a/audio_codec/libamr/dec_lpc.c b/audio_codec/libamr/dec_lpc.c new file mode 100644 index 0000000..2bcf8c4 --- a/dev/null +++ b/audio_codec/libamr/dec_lpc.c @@ -0,0 +1,789 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#include +#include +#include +#include +#include +//#include +#include "typedef.h" +#include "dec_util.h" + +#define M 16 /* Order of LP filter */ +#define MP1 (M + 1) +#define M16k 20 +#define NC16k (M16k / 2) +#define MU 10923 /* Prediction factor (1.0/3.0) in Q15 */ +#define L_MEANBUF 3 +#define ALPHA 29491 /* 0. 9 in Q15 */ +#define ONE_ALPHA (32768-ALPHA) /* (1.0 - ALPHA) in Q15 */ +#define ORDER 16 /* order of linear prediction filter */ +#define ISF_GAP 128 /* 50 Hz */ +#define INV_LENGTH 2731 /* 1/12 */ + +extern const Word16 D_ROM_dico1_isf[]; +extern const Word16 D_ROM_dico2_isf[]; +extern const Word16 D_ROM_dico21_isf_36b[]; +extern const Word16 D_ROM_dico22_isf_36b[]; +extern const Word16 D_ROM_dico23_isf_36b[]; +extern const Word16 D_ROM_dico21_isf[]; +extern const Word16 D_ROM_dico22_isf[]; +extern const Word16 D_ROM_dico23_isf[]; +extern const Word16 D_ROM_dico24_isf[]; +extern const Word16 D_ROM_dico25_isf[]; +extern const Word16 D_ROM_dico1_isf_noise[]; +extern const Word16 D_ROM_dico2_isf_noise[]; +extern const Word16 D_ROM_dico3_isf_noise[]; +extern const Word16 D_ROM_dico4_isf_noise[]; +extern const Word16 D_ROM_dico5_isf_noise[]; +extern const Word16 D_ROM_mean_isf[]; +extern const Word16 D_ROM_mean_isf_noise[]; +extern const Word16 D_ROM_cos[]; + + +/* + * D_LPC_isf_reorder + * + * Parameters: + * isf I/O: vector of isfs + * min_dist I: quantized ISFs (in frequency domain) + * n I: LPC order + * + * Function: + * To make sure that the isfs are properly order and to keep a certain + * minimum distance between consecutive isfs. + * + * Returns: + * void + */ +static void D_LPC_isf_reorder(Word16 *isf, Word16 min_dist, Word16 n) +{ + Word32 i, isf_min; + + isf_min = min_dist; + + for (i = 0; i < n - 1; i++) { + if (isf[i] < isf_min) { + isf[i] = (Word16)isf_min; + } + isf_min = isf[i] + min_dist; + } + + return; +} + + +/* + * D_LPC_isf_noise_d + * + * Parameters: + * indice I: indices of the selected codebook entries + * isf_q O: quantized ISFs (in frequency domain) + * + * Function: + * Decoding of ISF parameters + * + * Returns: + * void + */ +void D_LPC_isf_noise_d(Word16 *indice, Word16 *isf_q) +{ + Word32 i; + + for (i = 0; i < 2; i++) { + isf_q[i] = D_ROM_dico1_isf_noise[indice[0] * 2 + i]; + } + + for (i = 0; i < 3; i++) { + isf_q[i + 2] = D_ROM_dico2_isf_noise[indice[1] * 3 + i]; + } + + for (i = 0; i < 3; i++) { + isf_q[i + 5] = D_ROM_dico3_isf_noise[indice[2] * 3 + i]; + } + + for (i = 0; i < 4; i++) { + isf_q[i + 8] = D_ROM_dico4_isf_noise[indice[3] * 4 + i]; + } + + for (i = 0; i < 4; i++) { + isf_q[i + 12] = D_ROM_dico5_isf_noise[indice[4] * 4 + i]; + } + + for (i = 0; i < ORDER; i++) { + isf_q[i] = (Word16)(isf_q[i] + D_ROM_mean_isf_noise[i]); + } + + D_LPC_isf_reorder(isf_q, ISF_GAP, ORDER); + + return; +} + + +/* + * D_LPC_isf_isp_conversion + * + * Parameters: + * isp O: (Q15) isp[m] (range: -1<=val<1) + * isf I: (Q15) isf[m] normalized (range: 0.0 <= val <= 0.5) + * m I: LPC order + * + * Function: + * Transformation isf to isp + * + * ISP are immitance spectral pair in cosine domain (-1 to 1). + * ISF are immitance spectral pair in frequency domain (0 to 6400). + * Returns: + * void + */ +void D_LPC_isf_isp_conversion(Word16 isf[], Word16 isp[], Word16 m) +{ + Word32 i, ind, offset, tmp; + + for (i = 0; i < m - 1; i++) { + isp[i] = isf[i]; + } + isp[m - 1] = (Word16)(isf[m - 1] << 1); + + for (i = 0; i < m; i++) { + ind = isp[i] >> 7; /* ind = b7-b15 of isf[i] */ + offset = isp[i] & 0x007f; /* offset = b0-b6 of isf[i] */ + + /* isp[i] = table[ind]+ ((table[ind+1]-table[ind])*offset) / 128 */ + tmp = (D_ROM_cos[ind + 1] - D_ROM_cos[ind]) * offset; + isp[i] = (Word16)(D_ROM_cos[ind] + (tmp >> 7)); + } + return; +} + + +/* + * D_LPC_isp_pol_get + * + * Parameters: + * isp I: Immitance spectral pairs (cosine domaine) + * f O: the coefficients of F1 or F2 + * n I: no of coefficients (m/2) + * k16 I: 16k flag + * + * Function: + * Find the polynomial F1(z) or F2(z) from the ISPs. + * This is performed by expanding the product polynomials: + * + * F1(z) = product ( 1 - 2 isp_i z^-1 + z^-2 ) + * i=0,2,4,6,8 + * F2(z) = product ( 1 - 2 isp_i z^-1 + z^-2 ) + * i=1,3,5,7 + * + * where isp_i are the ISPs in the cosine domain. + * + * Returns: + * void + */ +static void D_LPC_isp_pol_get(Word16 *isp, Word32 *f, Word32 n, Word16 k16) +{ + Word32 i, j, t0, s1, s2; + Word16 hi, lo; + + s1 = 8388608; + s2 = 512; + + if (k16) { + s1 >>= 2; + s2 >>= 2; + } + + /* All computation in Q23 */ + f[0] = s1; /* f[0] = 1.0; in Q23 */ + f[1] = isp[0] * (-s2); /* f[1] = -2.0*isp[0] in Q23 */ + f += 2; /* Advance f pointer */ + isp += 2; /* Advance isp pointer */ + + for (i = 2; i <= n; i++) { + *f = f[ - 2]; + + for (j = 1; j < i; j++, f--) { + D_UTIL_l_extract(f[- 1], &hi, &lo); + t0 = D_UTIL_mpy_32_16(hi, lo, *isp); /* t0 = f[-1] * isp */ + t0 = (t0 << 1); + *f = (*f - t0); /* *f -= t0 */ + *f = (*f + f[ - 2]); /* *f += f[-2] */ + } + + *f = *f - (*isp * s2); /* *f -= isp << 8 */ + f += i; /* Advance f pointer */ + isp += 2; /* Advance isp pointer */ + } + + return; +} + + +/* + * D_LPC_isp_a_conversion + * + * Parameters: + * isp I: (Q15) Immittance spectral pairs + * a O: (Q12) Predictor coefficients (order = M) + * m I: order of LP filter + * + * Function: + * Convert ISPs to predictor coefficients a[] + * + * Returns: + * void + */ +void D_LPC_isp_a_conversion(Word16 isp[], Word16 a[], Word32 adaptive_scaling, + Word16 m) +{ + Word32 j, i, nc, tmax, q, q_sug, r; + Word32 f1[NC16k + 1], f2[NC16k]; + Word32 t0; + Word16 hi, lo; + + nc = m >> 1; + + if (nc > 8) { + D_LPC_isp_pol_get(&isp[0], f1, nc, 1); + + for (i = 0; i <= nc; i++) { + f1[i] = (f1[i] << 2); + } + } else { + D_LPC_isp_pol_get(&isp[0], f1, nc, 0); + } + + if (nc > 8) { + D_LPC_isp_pol_get(&isp[1], f2, nc - 1, 1); + + for (i = 0; i <= nc - 1; i++) { + f2[i] = (f2[i] << 2); + } + } else { + D_LPC_isp_pol_get(&isp[1], f2, nc - 1, 0); + } + + /* + * Multiply F2(z) by (1 - z^-2) + */ + for (i = nc - 1; i > 1; i--) { + f2[i] = f2[i] - f2[i - 2]; /* f2[i] -= f2[i-2]; */ + } + + /* + * Scale F1(z) by (1+isp[m-1]) and F2(z) by (1-isp[m-1]) + */ + for (i = 0; i < nc; i++) { + /* f1[i] *= (1.0 + isp[M-1]); */ + D_UTIL_l_extract(f1[i], &hi, &lo); + t0 = D_UTIL_mpy_32_16(hi, lo, isp[m - 1]); + f1[i] = f1[i] + t0; + + /* f2[i] *= (1.0 - isp[M-1]); */ + D_UTIL_l_extract(f2[i], &hi, &lo); + t0 = D_UTIL_mpy_32_16(hi, lo, isp[m - 1]); + f2[i] = f2[i] - t0; + } + + /* + * A(z) = (F1(z)+F2(z))/2 + * F1(z) is symmetric and F2(z) is antisymmetric + */ + + /* a[0] = 1.0; */ + a[0] = 4096; + tmax = 1; + + for (i = 1, j = m - 1; i < nc; i++, j--) { + /* a[i] = 0.5*(f1[i] + f2[i]); */ + t0 = f1[i] + f2[i]; /* f1[i] + f2[i] */ + tmax |= labs(t0); + a[i] = (Word16)((t0 + 0x800) >> 12); /* from Q23 to Q12 and * 0.5 */ + + /* a[j] = 0.5*(f1[i] - f2[i]); */ + t0 = (f1[i] - f2[i]); /* f1[i] - f2[i] */ + tmax |= labs(t0); + a[j] = (Word16)((t0 + 0x800) >> 12); /* from Q23 to Q12 and * 0.5 */ + } + + /* rescale data if overflow has occured and reprocess the loop */ + + if (adaptive_scaling) { + q = 4 - D_UTIL_norm_l(tmax); /* adaptive scaling enabled */ + } else { + q = 0; /* adaptive scaling disabled */ + } + + if (q > 0) { + q_sug = 12 + q; + r = 1 << (q_sug - 1); + + for (i = 1, j = m - 1; i < nc; i++, j--) { + /* a[i] = 0.5*(f1[i] + f2[i]); */ + t0 = f1[i] + f2[i]; /* f1[i] + f2[i] */ + a[i] = (Word16)((t0 + r) >> q_sug); /* from Q23 to Q12 and * 0.5 */ + + /* a[j] = 0.5*(f1[i] - f2[i]); */ + t0 = f1[i] - f2[i]; /* f1[i] - f2[i] */ + a[j] = (Word16)((t0 + r) >> q_sug); /* from Q23 to Q12 and * 0.5 */ + } + a[0] = (Word16)(a[0] >> q); + } else { + q_sug = 12; + r = 1 << (q_sug - 1); + q = 0; + } + + /* a[NC] = 0.5*f1[NC]*(1.0 + isp[M-1]); */ + D_UTIL_l_extract(f1[nc], &hi, &lo); + t0 = D_UTIL_mpy_32_16(hi, lo, isp[m - 1]); + t0 = f1[nc] + t0; + a[nc] = (Word16)((t0 + r) >> q_sug); /* from Q23 to Q12 and * 0.5 */ + + /* a[m] = isp[m-1]; */ + a[m] = (Word16)((isp[m - 1] >> (2 + q)) + 1); /* from Q15 to Q12 */ + a[m] = (Word16)(a[m] >> 1); + + return; +} + + +/* + * D_LPC_a_weight + * + * Parameters: + * a I: LP filter coefficients + * ap O: weighted LP filter coefficients + * gamma I: weighting factor + * m I: order of LP filter + * + * Function: + * Weighting of LP filter coefficients, ap[i] = a[i] * (gamma^i). + * + * Returns: + * void + */ +void D_LPC_a_weight(Word16 a[], Word16 ap[], Word16 gamma, Word16 m) +{ + Word32 i, fac; + + ap[0] = a[0]; + fac = gamma; + + for (i = 1; i < m; i++) { + ap[i] = (Word16)(((a[i] * fac) + 0x4000) >> 15); + fac = ((fac * gamma) + 0x4000) >> 15; + } + + ap[m] = (Word16)(((a[m] * fac) + 0x4000) >> 15); + + return; +} + + +/* + * D_LPC_isf_2s3s_decode + * + * Parameters: + * indice I: quantisation indices + * isf_q O: quantised ISFs in the cosine domain + * past_isfq I/O: past ISF quantizer + * isfold I: past quantised ISF + * isf_buf O: isf buffer + * bfi I: Bad frame indicator + * + * Function: + * Decoding of ISF parameters. + * + * Returns: + * void + */ +void D_LPC_isf_2s3s_decode(Word16 *indice, Word16 *isf_q, Word16 *past_isfq, + Word16 *isfold, Word16 *isf_buf, Word16 bfi) +{ + + Word32 ref_isf[M]; + Word32 L_tmp, i, j; + Word16 tmp; + + if (bfi == 0) { /* Good frame */ + for (i = 0; i < 9; i++) { + isf_q[i] = D_ROM_dico1_isf[indice[0] * 9 + i]; + } + + for (i = 0; i < 7; i++) { + isf_q[i + 9] = D_ROM_dico2_isf[indice[1] * 7 + i]; + } + + for (i = 0; i < 5; i++) { + isf_q[i] = + (Word16)(isf_q[i] + D_ROM_dico21_isf_36b[indice[2] * 5 + i]); + } + + for (i = 0; i < 4; i++) { + isf_q[i + 5] = + (Word16)(isf_q[i + 5] + D_ROM_dico22_isf_36b[indice[3] * 4 + i]); + } + + for (i = 0; i < 7; i++) { + isf_q[i + 9] = + (Word16)(isf_q[i + 9] + D_ROM_dico23_isf_36b[indice[4] * 7 + i]); + } + + for (i = 0; i < ORDER; i++) { + tmp = isf_q[i]; + isf_q[i] = + (Word16)((tmp + D_ROM_mean_isf[i]) + ((MU * past_isfq[i]) >> 15)); + past_isfq[i] = tmp; + } + + for (i = 0; i < M; i++) { + for (j = (L_MEANBUF - 1); j > 0; j--) { + isf_buf[j * M + i] = isf_buf[(j - 1) * M + i]; + } + isf_buf[i] = isf_q[i]; + } + + } else { + /* bad frame */ + + for (i = 0; i < M; i++) { + L_tmp = D_ROM_mean_isf[i]; + + for (j = 0; j < L_MEANBUF; j++) { + L_tmp = L_tmp + isf_buf[j * M + i]; + } + ref_isf[i] = (L_tmp + 0x1) >> 2; + } + + /* use the past ISFs slightly shifted towards their mean */ + for (i = 0; i < ORDER; i++) { + isf_q[i] = (Word16)((((ALPHA * isfold[i]) >> 15) + + ((ONE_ALPHA * ref_isf[i]) >> 15))); + } + + /* estimate past quantized residual to be used in next frame */ + for (i = 0; i < ORDER; i++) { + /* predicted ISF */ + L_tmp = ref_isf[i] + ((past_isfq[i] * MU) >> 15); + /* past_isfq[i] *= 0.5 */ + past_isfq[i] = (Word16)((isf_q[i] - L_tmp) >> 1); + } + } + + D_LPC_isf_reorder(isf_q, ISF_GAP, ORDER); + + return; +} + + +/* + * D_LPC_isf_2s5s_decode + * + * Parameters: + * indice I: quantization indices + * isf_q O: quantized ISFs in the cosine domain + * past_isfq I/O: past ISF quantizer + * isfold I: past quantized ISF + * isf_buf O: isf buffer + * bfi I: Bad frame indicator + * + * Function: + * Decoding of ISF parameters. + * + * Returns: + * void + */ +void D_LPC_isf_2s5s_decode(Word16 *indice, Word16 *isf_q, Word16 *past_isfq, + Word16 *isfold, Word16 *isf_buf, Word16 bfi) +{ + Word32 ref_isf[M]; + Word32 i, j, L_tmp; + Word16 tmp; + + if (bfi == 0) { /* Good frame */ + for (i = 0; i < 9; i++) { + isf_q[i] = D_ROM_dico1_isf[indice[0] * 9 + i]; + } + + for (i = 0; i < 7; i++) { + isf_q[i + 9] = D_ROM_dico2_isf[indice[1] * 7 + i]; + } + + for (i = 0; i < 3; i++) { + isf_q[i] = (Word16)(isf_q[i] + D_ROM_dico21_isf[indice[2] * 3 + i]); + } + + for (i = 0; i < 3; i++) { + isf_q[i + 3] = + (Word16)(isf_q[i + 3] + D_ROM_dico22_isf[indice[3] * 3 + i]); + } + + for (i = 0; i < 3; i++) { + isf_q[i + 6] = + (Word16)(isf_q[i + 6] + D_ROM_dico23_isf[indice[4] * 3 + i]); + } + + for (i = 0; i < 3; i++) { + isf_q[i + 9] = + (Word16)(isf_q[i + 9] + D_ROM_dico24_isf[indice[5] * 3 + i]); + } + + for (i = 0; i < 4; i++) { + isf_q[i + 12] = + (Word16)(isf_q[i + 12] + D_ROM_dico25_isf[indice[6] * 4 + i]); + } + + for (i = 0; i < ORDER; i++) { + tmp = isf_q[i]; + isf_q[i] = + (Word16)((tmp + D_ROM_mean_isf[i]) + ((MU * past_isfq[i]) >> 15)); + past_isfq[i] = tmp; + } + + + for (i = 0; i < M; i++) { + for (j = (L_MEANBUF - 1); j > 0; j--) { + isf_buf[j * M + i] = isf_buf[(j - 1) * M + i]; + } + isf_buf[i] = isf_q[i]; + } + + } else { + /* bad frame */ + + for (i = 0; i < M; i++) { + L_tmp = D_ROM_mean_isf[i]; + + for (j = 0; j < L_MEANBUF; j++) { + L_tmp = L_tmp + isf_buf[j * M + i]; + } + + ref_isf[i] = (L_tmp + 0x1) >> 2; + } + + /* use the past ISFs slightly shifted towards their mean */ + for (i = 0; i < ORDER; i++) { + isf_q[i] = (Word16)(((ALPHA * isfold[i]) >> 15) + + ((ONE_ALPHA * ref_isf[i]) >> 15)); + } + + /* estimate past quantized residual to be used in next frame */ + for (i = 0; i < ORDER; i++) { + /* predicted ISF */ + L_tmp = ref_isf[i] + ((past_isfq[i] * MU) >> 15); + /* past_isfq[i] *= 0.5 */ + past_isfq[i] = (Word16)((isf_q[i] - L_tmp) >> 1); + } + } + + D_LPC_isf_reorder(isf_q, ISF_GAP, ORDER); + + return; +} + + +/* + * D_LPC_int_isp_find + * + * Parameters: + * isp_old I: isps from past frame + * isp_new I: isps from present frame + * frac I: (Q15) fraction for 3 first subfr + * Az O: LP coefficients in 4 subframes + * + * Function: + * Find the interpolated ISP parameters for all subframes. + * + * Returns: + * void + */ +void D_LPC_int_isp_find(Word16 isp_old[], Word16 isp_new[], + const Word16 frac[], Word16 Az[]) +{ + Word32 tmp, i, k, fac_old, fac_new; + Word16 isp[M]; + + for (k = 0; k < 3; k++) { + fac_new = frac[k]; + fac_old = (32767 - fac_new) + 1; /* 1.0 - fac_new */ + + for (i = 0; i < M; i++) { + tmp = isp_old[i] * fac_old; + tmp += isp_new[i] * fac_new; + isp[i] = (Word16)((tmp + 0x4000) >> 15); + } + + D_LPC_isp_a_conversion(isp, Az, 0, M); + Az += MP1; + } + + /* 4th subframe: isp_new (frac=1.0) */ + D_LPC_isp_a_conversion(isp_new, Az, 0, M); + + return; +} + + +/* + * D_LPC_isf_extrapolation + * + * Parameters: + * HfIsf I/O: ISF vector + * + * Function: + * Conversion of 16th-order 12.8kHz ISF vector + * into 20th-order 16kHz ISF vector + * + * Returns: + * void + */ +void D_LPC_isf_extrapolation(Word16 HfIsf[]) +{ + Word32 IsfDiff[M - 2]; + Word32 IsfCorr[3]; + Word32 tmp, tmp2, tmp3, mean, i; + Word32 MaxCorr, exp, exp2, coeff; + Word16 hi, lo; + + HfIsf[M16k - 1] = HfIsf[M - 1]; + + /* Difference vector */ + for (i = 1; i < M - 1; i++) { + IsfDiff[i - 1] = HfIsf[i] - HfIsf[i - 1]; + } + + tmp = 0; + + /* Mean of difference vector */ + for (i = 3; i < (M - 1); i++) { + tmp = tmp + (IsfDiff[i - 1] * INV_LENGTH); + } + + mean = (tmp + 0x4000) >> 15; + IsfCorr[0] = 0; + IsfCorr[1] = 0; + IsfCorr[2] = 0; + tmp = 0; + + for (i = 0; i < M - 2; i++) { + if (IsfDiff[i] > tmp) { + tmp = IsfDiff[i]; + } + } + + exp = D_UTIL_norm_s((Word16)tmp); + + for (i = 0; i < M - 2; i++) { + IsfDiff[i] = IsfDiff[i] << exp; + } + + mean = mean << exp; + + for (i = 7; i < M - 2; i++) { + tmp2 = IsfDiff[i] - mean; + tmp3 = IsfDiff[i - 2] - mean; + tmp = (tmp2 * tmp3) << 1; + D_UTIL_l_extract(tmp, &hi, &lo); + tmp = D_UTIL_mpy_32(hi, lo, hi, lo); + IsfCorr[0] = (IsfCorr[0] + tmp); + } + + for (i = 7; i < M - 2; i++) { + tmp2 = IsfDiff[i] - mean; + tmp3 = IsfDiff[i - 3] - mean; + tmp = (tmp2 * tmp3) << 1; + D_UTIL_l_extract(tmp, &hi, &lo); + tmp = D_UTIL_mpy_32(hi, lo, hi, lo); + IsfCorr[1] = (IsfCorr[1] + tmp); + } + + for (i = 7; i < M - 2; i++) { + tmp2 = IsfDiff[i] - mean; + tmp3 = IsfDiff[i - 4] - mean; + tmp = (tmp2 * tmp3) << 1; + D_UTIL_l_extract(tmp, &hi, &lo); + tmp = D_UTIL_mpy_32(hi, lo, hi, lo); + IsfCorr[2] = (IsfCorr[2] + tmp); + } + + if (IsfCorr[0] > IsfCorr[1]) { + MaxCorr = 0; + } else { + MaxCorr = 1; + } + + if (IsfCorr[2] > IsfCorr[MaxCorr]) { + MaxCorr = 2; + } + + MaxCorr = MaxCorr + 1; /* Maximum correlation of difference vector */ + + for (i = M - 1; i < (M16k - 1); i++) { + tmp = (HfIsf[i - 1 - MaxCorr] - HfIsf[i - 2 - MaxCorr]); + HfIsf[i] = (Word16)(HfIsf[i - 1] + tmp); + } + + /* tmp=7965+(HfIsf[2]-HfIsf[3]-HfIsf[4])/6; */ + tmp = HfIsf[4] + HfIsf[3]; + tmp = HfIsf[2] - tmp; + tmp = (tmp * 5461) >> 15; + tmp = tmp + 20390; + + if (tmp > 19456) { + /* Maximum value of ISF should be at most 7600 Hz */ + tmp = 19456; + } + + tmp = tmp - HfIsf[M - 2]; + tmp2 = HfIsf[M16k - 2] - HfIsf[M - 2]; + exp2 = D_UTIL_norm_s((Word16)tmp2); + exp = D_UTIL_norm_s((Word16)tmp); + exp = exp - 1; + tmp = tmp << exp; + tmp2 = tmp2 << exp2; + coeff = (tmp << 15) / tmp2; /* Coefficient for stretching the ISF vector */ + exp = exp2 - exp; + + if (exp >= 0) { + for (i = M - 1; i < M16k - 1; i++) { + tmp = ((HfIsf[i] - HfIsf[i - 1]) * coeff) >> 15; + IsfDiff[i - (M - 1)] = tmp << exp; + } + } else { + exp = 15 - exp; + + for (i = M - 1; i < M16k - 1; i++) { + IsfDiff[i - (M - 1)] = ((HfIsf[i] - HfIsf[i - 1]) * coeff) >> exp; + } + } + + for (i = M; i < (M16k - 1); i++) { + /* The difference between ISF(n) and ISF(n-2) should be at least 500 Hz */ + tmp = ((IsfDiff[i - (M - 1)] + IsfDiff[i - M]) - 1280); + + if (tmp < 0) { + if (IsfDiff[i - (M - 1)] > IsfDiff[i - M]) { + IsfDiff[i - M] = (1280 - IsfDiff[i - (M - 1)]); + } else { + IsfDiff[i - (M - 1)] = (1280 - IsfDiff[i - M]); + } + } + } + + for (i = M - 1; i < M16k - 1; i++) { + HfIsf[i] = (Word16)(HfIsf[i - 1] + IsfDiff[i - (M - 1)]); + } + + for (i = 0; i < M16k - 1; i++) { + HfIsf[i] = (Word16)((HfIsf[i] * 13107) >> 14); + /* Scale the ISF vector correctly for 16000 kHz */ + } + + D_LPC_isf_isp_conversion(HfIsf, HfIsf, M16k); + + return; +} diff --git a/audio_codec/libamr/dec_lpc.h b/audio_codec/libamr/dec_lpc.h new file mode 100644 index 0000000..a58a755 --- a/dev/null +++ b/audio_codec/libamr/dec_lpc.h @@ -0,0 +1,25 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#ifndef DEC_LPC_H +#define DEC_LPC_H + +#include "typedef.h" + +void D_LPC_isf_noise_d(Word16 *indice, Word16 *isf_q); +void D_LPC_isf_isp_conversion(Word16 isf[], Word16 isp[], Word16 m); +void D_LPC_isp_a_conversion(Word16 isp[], Word16 a[], Word32 adaptive_scaling, + Word16 m); +void D_LPC_a_weight(Word16 a[], Word16 ap[], Word16 gamma, Word16 m); +void D_LPC_isf_2s3s_decode(Word16 *indice, Word16 *isf_q, Word16* past_isfq, + Word16 *isfold, Word16 *isf_buf, Word16 bfi); +void D_LPC_isf_2s5s_decode(Word16 *indice, Word16 *isf_q, Word16 *past_isfq, + Word16 *isfold, Word16 *isf_buf, Word16 bfi); +void D_LPC_int_isp_find(Word16 isp_old[], Word16 isp_new[], + const Word16 frac[], Word16 Az[]); +void D_LPC_isf_extrapolation(Word16 HfIsf[]); + +#endif + diff --git a/audio_codec/libamr/dec_main.c b/audio_codec/libamr/dec_main.c new file mode 100644 index 0000000..ad67186 --- a/dev/null +++ b/audio_codec/libamr/dec_main.c @@ -0,0 +1,842 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#include +#include +#include +#include +#include "typedef.h" +#include "dec_main.h" +#include "dec_dtx.h" +#include "dec_acelp.h" +#include "dec_gain.h" +#include "dec_lpc.h" +#include "dec_util.h" + + +#define MAX_16 (Word16)0x7fff +#define MIN_16 (Word16)0x8000 + +#define L_FRAME 256 /* Frame size */ +#define NB_SUBFR 4 /* Number of subframe per frame */ +#define L_SUBFR 64 /* Subframe size */ +#define MODE_7k 0 /* modes */ +#define MODE_9k 1 +#define MODE_12k 2 +#define MODE_14k 3 +#define MODE_16k 4 +#define MODE_18k 5 +#define MODE_20k 6 +#define MODE_23k 7 +#define MODE_24k 8 +#define RX_SPEECH_PROBABLY_DEGRADED 1 /* rx types */ +#define RX_SPEECH_LOST 2 +#define RX_SPEECH_BAD 3 +#define RX_NO_DATA 7 +#define Q_MAX 8 /* scaling max for signal */ +#define PIT_SHARP 27853 /* pitch sharpening factor = 0.85 Q15 */ +#define PIT_MIN 34 /* Minimum pitch lag with resolution 1/4 */ +#define PIT_FR2 128 /* Minimum pitch lag with resolution 1/2 */ +#define PIT_FR1_9b 160 /* Minimum pitch lag with resolution 1 */ +#define PIT_FR1_8b 92 /* Minimum pitch lag with resolution 1 */ + +extern const Word16 D_ROM_isp[]; +extern const Word16 D_ROM_isf[]; +extern const Word16 D_ROM_interpol_frac[]; + +#ifdef WIN32 +#pragma warning( disable : 4310) +#endif + +/* + * Decoder_reset + * + * Parameters: + * st I/O: pointer to state structure + * reset_all I: perform full reset + * + * Function: + * Initialisation of variables for the decoder section. + * + * + * Returns: + * void + */ +void D_MAIN_reset(void *st, Word16 reset_all) +{ + Word32 i; + + Decoder_State *dec_state; + + dec_state = (Decoder_State*)st; + memset(dec_state->mem_exc, 0, (PIT_MAX + L_INTERPOL) * sizeof(Word16)); + memset(dec_state->mem_isf_q, 0, M * sizeof(Word16)); + dec_state->mem_T0_frac = 0; /* old pitch value = 64.0 */ + dec_state->mem_T0 = 64; + dec_state->mem_first_frame = 1; + dec_state->mem_gc_thres = 0; + dec_state->mem_tilt_code = 0; + memset(dec_state->mem_ph_disp, 0, 8 * sizeof(Word16)); + + /* scaling memories for excitation */ + dec_state->mem_q = Q_MAX; + dec_state->mem_subfr_q[3] = Q_MAX; + dec_state->mem_subfr_q[2] = Q_MAX; + dec_state->mem_subfr_q[1] = Q_MAX; + dec_state->mem_subfr_q[0] = Q_MAX; + + if (reset_all != 0) { + /* routines initialization */ + D_GAIN_init(dec_state->mem_gain); + memset(dec_state->mem_oversamp, 0, (2 * 12) * sizeof(Word16)); + memset(dec_state->mem_sig_out, 0, 6 * sizeof(Word16)); + memset(dec_state->mem_hf, 0, (31 - 1) * sizeof(Word16)); + memset(dec_state->mem_hf3, 0, (31 - 1) * sizeof(Word16)); + memset(dec_state->mem_hp400, 0, 6 * sizeof(Word16)); + D_GAIN_lag_concealment_init(dec_state->mem_lag); + + /* isp initialization */ + memcpy(dec_state->mem_isp, D_ROM_isp, M * sizeof(Word16)); + memcpy(dec_state->mem_isf, D_ROM_isf, M * sizeof(Word16)); + + for (i = 0; i < L_MEANBUF; i++) { + memcpy(&dec_state->mem_isf_buf[i * M], D_ROM_isf, M * sizeof(Word16)); + } + + /* variable initialization */ + dec_state->mem_deemph = 0; + dec_state->mem_seed = 21845; /* init random with 21845 */ + dec_state->mem_seed2 = 21845; + dec_state->mem_seed3 = 21845; + dec_state->mem_state = 0; + dec_state->mem_bfi = 0; + + /* Static vectors to zero */ + memset(dec_state->mem_syn_hf, 0, M16k * sizeof(Word16)); + memset(dec_state->mem_syn_hi, 0, M * sizeof(Word16)); + memset(dec_state->mem_syn_lo, 0, M * sizeof(Word16)); + D_DTX_reset(dec_state->dtx_decSt, D_ROM_isf); + dec_state->mem_vad_hist = 0; + } + + return; +} + + +/* + * Decoder_init + * + * Parameters: + * spd_state O: pointer to state structure + * + * Function: + * Initialization of variables for the decoder section. + * Memory allocation. + * + * Returns: + * return zero if succesful + */ +Word32 D_MAIN_init(void **spd_state) +{ + /* Decoder states */ + Decoder_State *st; + + *spd_state = NULL; + + /* + * Memory allocation for coder state. + */ + if ((st = (Decoder_State*)malloc(sizeof(Decoder_State))) == NULL) { + return(-1); + } + + st->dtx_decSt = NULL; + D_DTX_init(&st->dtx_decSt, D_ROM_isf); + D_MAIN_reset((void *)st, 1); + *spd_state = (void *)st; + + return(0); +} + + +/* + * Decoder_close + * + * Parameters: + * spd_state I: pointer to state structure + * + * Function: + * Free coder memory. + * + * Returns: + * void + */ +void D_MAIN_close(void **spd_state) +{ + D_DTX_exit(&(((Decoder_State *)(*spd_state))->dtx_decSt)); + free(*spd_state); + + return; +} + + +/* + * Decoder_exe + * + * Parameters: + * mode I: used mode + * prms I: parameter vector + * synth_out O: synthesis speech + * spe_state B: state structure + * frame_type I: received frame type + * + * Function: + * Main decoder routine. + * + * Returns: + * 0 if successful + */ +Word32 D_MAIN_decode(Word16 mode, Word16 prms[], Word16 synth16k[], + void *spd_state, UWord8 frame_type) +{ + + Word32 code2[L_SUBFR]; /* algebraic codevector */ + Word32 L_tmp, L_tmp2, L_gain_code, L_stab_fac; + Word32 i, j, i_subfr, pit_flag; + Word32 T0, T0_frac, T0_max, select, T0_min = 0; + + Word16 exc2[L_FRAME]; /* excitation vector */ + Word16 Aq[NB_SUBFR * (M + 1)]; /* A(z) quantized for the 4 subframes */ + Word16 code[L_SUBFR]; /* algebraic codevector */ + Word16 excp[L_SUBFR]; /* excitation vector */ + Word16 HfIsf[M16k]; + Word16 ispnew[M]; /* immittance spectral pairs at 4nd sfr*/ + Word16 isf[M]; /* ISF (frequency domain) at 4nd sfr */ + Word16 isf_tmp[M]; /* ISF tmp */ + Word16 ind[8]; /* quantization indices */ + + Word16 index, fac, voice_fac, max, Q_new = 0; + Word16 gain_pit, gain_code, gain_code_lo, tmp; + Word16 corr_gain = 0; + UWord16 pit_sharp = 0; + + Word16 *exc; /* Excitation vector */ + Word16 *p_Aq; /* ptr to A(z) for the 4 subframes */ + Word16 *p_isf; /* prt to isf */ + + Decoder_State *st; /* Decoder states */ + UWord8 newDTXState, bfi, unusable_frame; + UWord8 vad_flag; + + st = (Decoder_State*)spd_state; + + /* find the new DTX state SPEECH OR DTX */ + newDTXState = D_DTX_rx_handler(st->dtx_decSt, frame_type); + + if (newDTXState != SPEECH) { + D_DTX_exe(st->dtx_decSt, exc2, newDTXState, isf, &prms); + } + + /* SPEECH action state machine */ + if ((frame_type == RX_SPEECH_BAD) | + (frame_type == RX_SPEECH_PROBABLY_DEGRADED)) { + /* bfi for all index, bits are not usable */ + bfi = 1; + unusable_frame = 0; + } else if ((frame_type == RX_NO_DATA) | (frame_type == RX_SPEECH_LOST)) { + /* bfi only for lsf, gains and pitch period */ + bfi = 1; + unusable_frame = 1; + } else { + bfi = 0; + unusable_frame = 0; + } + + if (bfi != 0) { + st->mem_state = (UWord8)(st->mem_state + 1); + + if (st->mem_state > 6) { + st->mem_state = 6; + } + } else { + st->mem_state = (UWord8)(st->mem_state >> 1); + } + + /* + * If this frame is the first speech frame after CNI period, + * set the BFH state machine to an appropriate state depending + * on whether there was DTX muting before start of speech or not + * If there was DTX muting, the first speech frame is muted. + * If there was no DTX muting, the first speech frame is not + * muted. The BFH state machine starts from state 5, however, to + * keep the audible noise resulting from a SID frame which is + * erroneously interpreted as a good speech frame as small as + * possible (the decoder output in this case is quickly muted) + */ + + if (st->dtx_decSt->mem_dtx_global_state == DTX) { + st->mem_state = 5; + st->mem_bfi = 0; + } else if (st->dtx_decSt->mem_dtx_global_state == D_DTX_MUTE) { + st->mem_state = 5; + st->mem_bfi = 1; + } + + if (newDTXState == SPEECH) { + vad_flag = (UWord8)(*prms++); + + if (bfi == 0) { + if (vad_flag == 0) { + st->mem_vad_hist = (Word16)(st->mem_vad_hist + 1); + + if (st->mem_vad_hist > 32767) { + st->mem_vad_hist = 32767; + } + } else { + st->mem_vad_hist = 0; + } + } + } + + /* + * DTX-CNG + */ + if (newDTXState != SPEECH) { /* CNG mode */ + /* + * increase slightly energy of noise below 200 Hz + * Convert ISFs to the cosine domain + */ + D_LPC_isf_isp_conversion(isf, ispnew, M); + D_LPC_isp_a_conversion(ispnew, Aq, 1, M); + memcpy(isf_tmp, st->mem_isf, M * sizeof(Word16)); + + for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR) { + j = (i_subfr >> 6); + + for (i = 0; i < M; i++) { + L_tmp = (isf_tmp[i] * (32767 - D_ROM_interpol_frac[j])) << 1; + L_tmp = L_tmp + ((isf[i] * D_ROM_interpol_frac[j]) << 1); + HfIsf[i] = (Word16)((L_tmp + 0x8000) >> 16); + } + + D_UTIL_dec_synthesis(Aq, &exc2[i_subfr], 0, &synth16k[i_subfr * 5 / 4], + (Word16) 1, HfIsf, mode, newDTXState, bfi, st); + } + + /* reset speech coder memories */ + D_MAIN_reset(st, 0); + memcpy(st->mem_isf, isf, M * sizeof(Word16)); + st->mem_bfi = bfi; + st->dtx_decSt->mem_dtx_global_state = (UWord8)newDTXState; + + return(0); + } + + /* + * ACELP + */ + + exc = st->mem_exc + PIT_MAX + L_INTERPOL; + + /* Decode the ISFs */ + if (mode <= MODE_7k) { + ind[0] = *prms++; + ind[1] = *prms++; + ind[2] = *prms++; + ind[3] = *prms++; + ind[4] = *prms++; + D_LPC_isf_2s3s_decode(ind, isf, st->mem_isf_q, st->mem_isf, + st->mem_isf_buf, bfi); + } else { + ind[0] = *prms++; + ind[1] = *prms++; + ind[2] = *prms++; + ind[3] = *prms++; + ind[4] = *prms++; + ind[5] = *prms++; + ind[6] = *prms++; + D_LPC_isf_2s5s_decode(ind, isf, st->mem_isf_q, st->mem_isf, + st->mem_isf_buf, bfi); + } + + /* Convert ISFs to the cosine domain */ + D_LPC_isf_isp_conversion(isf, ispnew, M); + + if (st->mem_first_frame != 0) { + st->mem_first_frame = 0; + memcpy(st->mem_isp, ispnew, M * sizeof(Word16)); + } + + /* Find the interpolated ISPs and convert to a[] for all subframes */ + D_LPC_int_isp_find(st->mem_isp, ispnew, D_ROM_interpol_frac, Aq); + + /* update isp memory for the next frame */ + memcpy(st->mem_isp, ispnew, M * sizeof(Word16)); + + /* Check stability on isf : distance between old isf and current isf */ + L_tmp = 0; + p_isf = st->mem_isf; + + for (i = 0; i < M - 1; i++) { + tmp = (Word16)((isf[i] - p_isf[i])); + L_tmp = L_tmp + (tmp * tmp); + } + + if (L_tmp < 3276928) { + L_tmp = L_tmp >> 7; + L_tmp = (L_tmp * 26214) >> 15; /* tmp = L_tmp*0.8/256 */ + L_tmp = 20480 - L_tmp; /* 1.25 - tmp */ + L_stab_fac = L_tmp << 1; /* Q14 -> Q15 with saturation */ + + if (L_stab_fac > 0x7FFF) { + L_stab_fac = 0x7FFF; + } + } else { + L_stab_fac = 0x0; + } + + memcpy(isf_tmp, st->mem_isf, M * sizeof(Word16)); + memcpy(st->mem_isf, isf, M * sizeof(Word16)); + + /* + * Loop for every subframe in the analysis frame + * + * The subframe size is L_SUBFR and the loop is repeated L_FRAME/L_SUBFR + * times + * - decode the pitch delay and filter mode + * - decode algebraic code + * - decode pitch and codebook gains + * - find voicing factor and tilt of code for next subframe + * - find the excitation and compute synthesis speech + */ + + p_Aq = Aq; /* pointer to interpolated LPC parameters */ + + for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR) { + pit_flag = i_subfr; + + if ((i_subfr == (2 * L_SUBFR)) & (mode > MODE_7k)) { + pit_flag = 0; + } + + /* + * - Decode pitch lag + * Lag indeces received also in case of BFI, + * so that the parameter pointer stays in sync. + */ + + if (pit_flag == 0) { + if (mode <= MODE_9k) { + index = *prms++; + + if (index < ((PIT_FR1_8b - PIT_MIN) * 2)) { + T0 = (PIT_MIN + (index >> 1)); + T0_frac = (index - ((T0 - PIT_MIN) << 1)); + T0_frac = (T0_frac << 1); + } else { + T0 = index + (PIT_FR1_8b - ((PIT_FR1_8b - PIT_MIN) * 2)); + T0_frac = 0; + } + } else { + index = *prms++; + + if (index < ((PIT_FR2 - PIT_MIN) * 4)) { + T0 = PIT_MIN + (index >> 2); + T0_frac = index - ((T0 - PIT_MIN) << 2); + } else if (index < + ((((PIT_FR2 - PIT_MIN) * 4) + ((PIT_FR1_9b - PIT_FR2) * 2)))) { + index = (Word16)((index - ((PIT_FR2 - PIT_MIN) * 4))); + T0 = PIT_FR2 + (index >> 1); + T0_frac = index - ((T0 - PIT_FR2) << 1); + T0_frac = T0_frac << 1; + } else { + T0 = index + (PIT_FR1_9b - ((PIT_FR2 - PIT_MIN) * 4) - + ((PIT_FR1_9b - PIT_FR2) * 2)); + T0_frac = 0; + } + } + + /* find T0_min and T0_max for subframe 2 and 4 */ + T0_min = T0 - 8; + + if (T0_min < PIT_MIN) { + T0_min = PIT_MIN; + } + + T0_max = T0_min + 15; + + if (T0_max > PIT_MAX) { + T0_max = PIT_MAX; + T0_min = T0_max - 15; + } + } else { + /* if subframe 2 or 4 */ + + if (mode <= MODE_9k) { + index = *prms++; + T0 = T0_min + (index >> 1); + T0_frac = index - ((T0 - T0_min) << 1); + T0_frac = T0_frac << 1; + } else { + index = *prms++; + T0 = T0_min + (index >> 2); + T0_frac = index - ((T0 - T0_min) << 2); + } + } + + /* check BFI after pitch lag decoding */ + if (bfi != 0) { /* if frame erasure */ + D_GAIN_lag_concealment(&(st->mem_gain[17]), st->mem_lag, &T0, + &(st->mem_T0), &(st->mem_seed3), unusable_frame); + T0_frac = 0; + } + + /* + * Find the pitch gain, the interpolation filter + * and the adaptive codebook vector. + */ + + D_GAIN_adaptive_codebook_excitation(&exc[i_subfr], T0, T0_frac); + + if (unusable_frame) { + select = 1; + } else { + if (mode <= MODE_9k) { + select = 0; + } else { + select = *prms++; + } + } + + if (select == 0) { + /* find pitch excitation with lp filter */ + for (i = 0; i < L_SUBFR; i++) { + L_tmp = 2949 * exc[i - 1 + i_subfr]; + L_tmp = L_tmp + (10486 * exc[i + i_subfr]); + L_tmp = L_tmp + (2949 * exc[i + 1 + i_subfr]); + code[i] = (Word16)((L_tmp + 0x2000) >> 14); + } + + memcpy(&exc[i_subfr], code, L_SUBFR * sizeof(Word16)); + } + + /* + * Decode innovative codebook. + * Add the fixed-gain pitch contribution to code[]. + */ + + if (unusable_frame != 0) { + /* the innovative code doesn't need to be scaled (see Q_gain2) */ + for (i = 0; i < L_SUBFR; i++) { + code[i] = (Word16)(D_UTIL_random(&(st->mem_seed)) >> 3); + } + } else if (mode <= MODE_7k) { + ind[0] = *prms++; + D_ACELP_decode_2t(ind[0], code); + } else if (mode <= MODE_9k) { + memcpy(ind, prms, 4 * sizeof(Word16)); + prms += 4; + D_ACELP_decode_4t(ind, 20, code); + } else if (mode <= MODE_12k) { + memcpy(ind, prms, 4 * sizeof(Word16)); + prms += 4; + D_ACELP_decode_4t(ind, 36, code); + } else if (mode <= MODE_14k) { + memcpy(ind, prms, 4 * sizeof(Word16)); + prms += 4; + D_ACELP_decode_4t(ind, 44, code); + } else if (mode <= MODE_16k) { + memcpy(ind, prms, 4 * sizeof(Word16)); + prms += 4; + D_ACELP_decode_4t(ind, 52, code); + } else if (mode <= MODE_18k) { + memcpy(ind, prms, 8 * sizeof(Word16)); + prms += 8; + D_ACELP_decode_4t(ind, 64, code); + } else if (mode <= MODE_20k) { + memcpy(ind, prms, 8 * sizeof(Word16)); + prms += 8; + D_ACELP_decode_4t(ind, 72, code); + } else { + memcpy(ind, prms, 8 * sizeof(Word16)); + prms += 8; + D_ACELP_decode_4t(ind, 88, code); + } + + tmp = 0; + D_UTIL_preemph(code, st->mem_tilt_code, L_SUBFR, &tmp); + + L_tmp = T0; + + if (T0_frac > 2) { + L_tmp = L_tmp + 1; + } + + D_GAIN_pitch_sharpening(code, L_tmp, PIT_SHARP); + + /* + * Decode codebooks gains. + */ + index = *prms++; /* codebook gain index */ + + if (mode <= MODE_9k) { + D_GAIN_decode(index, 6, code, &gain_pit, &L_gain_code, bfi, + st->mem_bfi, st->mem_state, unusable_frame, st->mem_vad_hist, + st->mem_gain); + } else { + D_GAIN_decode(index, 7, code, &gain_pit, &L_gain_code, bfi, + st->mem_bfi, st->mem_state, unusable_frame, st->mem_vad_hist, + st->mem_gain); + } + + /* find best scaling to perform on excitation (Q_new) */ + tmp = st->mem_subfr_q[0]; + + for (i = 1; i < 4; i++) { + if (st->mem_subfr_q[i] < tmp) { + tmp = st->mem_subfr_q[i]; + } + } + + /* limit scaling (Q_new) to Q_MAX */ + if (tmp > Q_MAX) { + tmp = Q_MAX; + } + + Q_new = 0; + L_tmp = L_gain_code; /* L_gain_code in Q16 */ + + while ((L_tmp < 0x08000000L) && (Q_new < tmp)) { + L_tmp = (L_tmp << 1); + Q_new = (Word16)((Q_new + 1)); + } + + if (L_tmp < 0x7FFF7FFF) { + gain_code = (Word16)((L_tmp + 0x8000) >> 16); + /* scaled gain_code with Qnew */ + } else { + gain_code = 32767; + } + + if (Q_new > st->mem_q) { + D_UTIL_signal_up_scale(exc + i_subfr - (PIT_MAX + L_INTERPOL), + PIT_MAX + L_INTERPOL + L_SUBFR, (Word16)(Q_new - st->mem_q)); + } else { + D_UTIL_signal_down_scale(exc + i_subfr - (PIT_MAX + L_INTERPOL), + PIT_MAX + L_INTERPOL + L_SUBFR, (Word16)(st->mem_q - Q_new)); + } + + st->mem_q = Q_new; + + /* + * Update parameters for the next subframe. + * - tilt of code: 0.0 (unvoiced) to 0.5 (voiced) + */ + if (bfi == 0) { + /* LTP-Lag history update */ + for (i = 4; i > 0; i--) { + st->mem_lag[i] = st->mem_lag[i - 1]; + } + st->mem_lag[0] = (Word16)T0; + st->mem_T0 = (Word16)T0; + st->mem_T0_frac = 0; /* Remove fraction in case of BFI */ + } + + /* find voice factor in Q15 (1=voiced, -1=unvoiced) */ + memcpy(exc2, &exc[i_subfr], L_SUBFR * sizeof(Word16)); + D_UTIL_signal_down_scale(exc2, L_SUBFR, 3); + + /* post processing of excitation elements */ + if (mode <= MODE_9k) { + pit_sharp = (Word16)(gain_pit << 1); + + if (pit_sharp > 16384) { + if (pit_sharp > 32767) { + pit_sharp = 32767; + } + + for (i = 0; i < L_SUBFR; i++) { + L_tmp = (exc2[i] * pit_sharp) >> 15; + L_tmp = L_tmp * gain_pit; + excp[i] = (Word16)((L_tmp + 0x8000) >> 16); + } + } + } + + voice_fac = D_GAIN_find_voice_factor(exc2, -3, gain_pit, code, gain_code, + L_SUBFR); + + /* tilt of code for next subframe: 0.5=voiced, 0=unvoiced */ + st->mem_tilt_code = (Word16)((voice_fac >> 2) + 8192); + + /* + * Find the total excitation. + * Find synthesis speech corresponding to exc[]. + * Find maximum value of excitation for next scaling + */ + memcpy(exc2, &exc[i_subfr], L_SUBFR * sizeof(Word16)); + max = 1; + + for (i = 0; i < L_SUBFR; i++) { + L_tmp = (code[i] * gain_code) << 5; + L_tmp = L_tmp + (exc[i + i_subfr] * gain_pit); + L_tmp = (L_tmp + 0x2000) >> 14; + + if ((L_tmp > MIN_16) & (L_tmp < 32768)) { + exc[i + i_subfr] = (Word16)L_tmp; + tmp = (Word16)(abs(L_tmp)); + + if (tmp > max) { + max = tmp; + } + } else if (L_tmp > MAX_16) { + exc[i + i_subfr] = MAX_16; + max = MAX_16; + } else { + exc[i + i_subfr] = MIN_16; + max = MAX_16; + } + } + + /* tmp = scaling possible according to max value of excitation */ + tmp = (Word16)((D_UTIL_norm_s(max) + Q_new) - 1); + st->mem_subfr_q[3] = st->mem_subfr_q[2]; + st->mem_subfr_q[2] = st->mem_subfr_q[1]; + st->mem_subfr_q[1] = st->mem_subfr_q[0]; + st->mem_subfr_q[0] = tmp; + + /* + * phase dispersion to enhance noise in low bit rate + */ + + /* L_gain_code in Q16 */ + D_UTIL_l_extract(L_gain_code, &gain_code, &gain_code_lo); + + if (mode <= MODE_7k) { + j = 0; /* high dispersion for rate <= 7.5 kbit/s */ + } else if (mode <= MODE_9k) { + j = 1; /* low dispersion for rate <= 9.6 kbit/s */ + } else { + j = 2; /* no dispersion for rate > 9.6 kbit/s */ + } + + D_ACELP_phase_dispersion(gain_code, gain_pit, code, (Word16)j, + st->mem_ph_disp); + + /* + * noise enhancer + * - Enhance excitation on noise. (modify gain of code) + * If signal is noisy and LPC filter is stable, move gain + * of code 1.5 dB toward gain of code threshold. + * This decrease by 3 dB noise energy variation. + */ + L_tmp = 16384 - (voice_fac >> 1); /* 1=unvoiced, 0=voiced */ + fac = (Word16)((L_stab_fac * L_tmp) >> 15); + L_tmp = L_gain_code; + + if (L_tmp < st->mem_gc_thres) { + L_tmp = (L_tmp + D_UTIL_mpy_32_16(gain_code, gain_code_lo, 6226)); + + if (L_tmp > st->mem_gc_thres) { + L_tmp = st->mem_gc_thres; + } + } else { + L_tmp = D_UTIL_mpy_32_16(gain_code, gain_code_lo, 27536); + + if (L_tmp < st->mem_gc_thres) { + L_tmp = st->mem_gc_thres; + } + } + st->mem_gc_thres = L_tmp; + L_gain_code = + D_UTIL_mpy_32_16(gain_code, gain_code_lo, (Word16)(32767 - fac)); + D_UTIL_l_extract(L_tmp, &gain_code, &gain_code_lo); + L_gain_code = + L_gain_code + D_UTIL_mpy_32_16(gain_code, gain_code_lo, fac); + + /* + * pitch enhancer + * - Enhance excitation on voice. (HP filtering of code) + * On voiced signal, filtering of code by a smooth fir HP + * filter to decrease energy of code in low frequency. + */ + + L_tmp2 = (voice_fac >> 3) + 4096; /* 0.25=voiced, 0=unvoiced */ + L_tmp = (code[0] << 15) - (code[1] * L_tmp2); + code2[0] = (L_tmp + 0x4000) >> 15; + + for (i = 1; i < L_SUBFR - 1; i++) { + L_tmp = code[i] << 15; + L_tmp = L_tmp - (code[i + 1] * L_tmp2); + L_tmp = L_tmp - (code[i - 1] * L_tmp2); + code2[i] = (L_tmp + 0x4000) >> 15; + } + + L_tmp = code[L_SUBFR - 1] << 15; + L_tmp = L_tmp - (code[L_SUBFR - 2] * L_tmp2); + code2[L_SUBFR - 1] = (L_tmp + 0x4000) >> 15; + + /* build excitation */ + gain_code = (Word16)(((L_gain_code << Q_new) + 0x8000) >> 16); + + for (i = 0; i < L_SUBFR; i++) { + L_tmp = (code2[i] * gain_code) << 5; + L_tmp = L_tmp + (exc2[i] * gain_pit); + L_tmp = (L_tmp + 0x2000) >> 14; + + exc2[i] = D_UTIL_saturate(L_tmp); + } + + if (mode <= MODE_9k) { + if (pit_sharp > 16384) { + for (i = 0; i < L_SUBFR; i++) { + L_tmp = (excp[i] + exc2[i]); + excp[i] = D_UTIL_saturate(L_tmp); + } + + D_GAIN_adaptive_control(exc2, excp, L_SUBFR); + memcpy(exc2, excp, L_SUBFR * sizeof(Word16)); + } + } + + if (mode <= MODE_7k) { + j = (i_subfr >> 6); + + for (i = 0; i < M; i++) { + L_tmp = isf_tmp[i] * (32767 - D_ROM_interpol_frac[j]); + L_tmp = L_tmp + (isf[i] * D_ROM_interpol_frac[j]); + HfIsf[i] = (Word16)((L_tmp + 0x4000) >> 15); + } + } else { + memset(st->mem_syn_hf, 0, (M16k - M) * sizeof(Word16)); + } + + if (mode >= MODE_24k) { + corr_gain = *prms++; + D_UTIL_dec_synthesis(p_Aq, exc2, Q_new, &synth16k[i_subfr * 5 / 4], + corr_gain, HfIsf, mode, newDTXState, bfi, st); + } else { + D_UTIL_dec_synthesis(p_Aq, exc2, Q_new, &synth16k[i_subfr * 5 / 4], 0, + HfIsf, mode, newDTXState, bfi, st); + } + + p_Aq += (M + 1); /* interpolated LPC parameters for next subframe */ + } + + /* + * Update signal for next frame + * -> save past of exc[] + * -> save pitch parameters. + */ + + //memmove(st->mem_exc, &st->mem_exc[L_FRAME], (PIT_MAX + L_INTERPOL) * sizeof(Word16)); + memcpy(st->mem_exc, &st->mem_exc[L_FRAME], (PIT_MAX + L_INTERPOL) * sizeof(Word16)); + D_UTIL_signal_down_scale(exc, L_FRAME, Q_new); + D_DTX_activity_update(st->dtx_decSt, isf, exc); + st->dtx_decSt->mem_dtx_global_state = (UWord8)newDTXState; + st->mem_bfi = bfi; + + return(0); +} diff --git a/audio_codec/libamr/dec_main.h b/audio_codec/libamr/dec_main.h new file mode 100644 index 0000000..a033a89 --- a/dev/null +++ b/audio_codec/libamr/dec_main.h @@ -0,0 +1,57 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#ifndef DEC_MAIN_H +#define DEC_MAIN_H + +#include "typedef.h" +#include "dec_dtx.h" + +#define L_FRAME 256 /* Frame size */ +#define PIT_MAX 231 /* Maximum pitch lag */ +#define L_INTERPOL (16 + 1) /* Length of filter for interpolation */ +#define L_MEANBUF 3 +#define L_FILT 12 /* Delay of up-sampling filter */ +#define L_FILT16k 15 /* Delay of down-sampling filter */ +#define M16k 20 /* Order of LP filter */ + +typedef struct { + Word32 mem_gc_thres; /* threshold for noise enhancer */ + Word16 mem_exc[(L_FRAME + 1) + PIT_MAX + L_INTERPOL];/* old excitation vector */ + Word16 mem_isf_buf[L_MEANBUF * M];/* isf buffer(frequency domain) */ + Word16 mem_hf[2 * L_FILT16k]; /* HF band-pass filter memory */ + Word16 mem_hf2[2 * L_FILT16k]; /* HF band-pass filter memory */ + Word16 mem_hf3[2 * L_FILT16k]; /* HF band-pass filter memory */ + Word16 mem_oversamp[2 * L_FILT]; /* synthesis oversampled filter memory */ + Word16 mem_gain[23]; /* gain decoder memory */ + Word16 mem_syn_hf[M16k]; /* HF synthesis memory */ + Word16 mem_isp[M]; /* old isp (immittance spectral pairs) */ + Word16 mem_isf[M]; /* old isf (frequency domain) */ + Word16 mem_isf_q[M]; /* past isf quantizer */ + Word16 mem_syn_hi[M]; /* modified synthesis memory (MSB) */ + Word16 mem_syn_lo[M]; /* modified synthesis memory (LSB) */ + Word16 mem_ph_disp[8]; /* phase dispersion memory */ + Word16 mem_sig_out[6]; /* hp50 filter memory for synthesis */ + Word16 mem_hp400[6]; /* hp400 filter memory for synthesis */ + Word16 mem_lag[5]; /* LTP lag history */ + Word16 mem_subfr_q[4]; /* old maximum scaling factor */ + Word16 mem_tilt_code; /* tilt of code */ + Word16 mem_q; /* old scaling factor */ + Word16 mem_deemph; /* speech deemph filter memory */ + Word16 mem_seed; /* random memory for frame erasure */ + Word16 mem_seed2; /* random memory for HF generation */ + Word16 mem_seed3; /* random memory for lag concealment */ + Word16 mem_T0; /* old pitch lag */ + Word16 mem_T0_frac; /* old pitch fraction lag */ + UWord16 mem_vad_hist; /* VAD history */ + D_DTX_State *dtx_decSt; + UWord8 mem_bfi; /* Previous BFI */ + UWord8 mem_state; /* BGH state machine memory */ + UWord8 mem_first_frame; /* First frame indicator */ + +} Decoder_State; + +#endif + diff --git a/audio_codec/libamr/dec_rom.c b/audio_codec/libamr/dec_rom.c new file mode 100644 index 0000000..6752a62 --- a/dev/null +++ b/audio_codec/libamr/dec_rom.c @@ -0,0 +1,2114 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#include "typedef.h" + +#define L_SUBFR 64 /* Subframe size */ +#define L_FIR 31 +#define ORDER 16 /* Order of linear prediction filter */ +#define M 16 /* Order of LP filter */ +#define NB_SUBFR 4 /* Number of subframe per frame */ +#define UP_SAMP 4 +#define L_INTERPOL2 16 + +#define SIZE_BK1 256 +#define SIZE_BK2 256 +#define SIZE_BK21 64 +#define SIZE_BK22 128 +#define SIZE_BK23 128 +#define SIZE_BK24 32 +#define SIZE_BK25 32 +#define SIZE_BK21_36b 128 +#define SIZE_BK22_36b 128 +#define SIZE_BK23_36b 64 +#define SIZE_BK_NOISE1 64 +#define SIZE_BK_NOISE2 64 +#define SIZE_BK_NOISE3 64 +#define SIZE_BK_NOISE4 32 +#define SIZE_BK_NOISE5 32 + +/* 16-byte align start */ +#ifdef ENABLE_CPU2_DECODER +CPU2_DATA_START +#endif +/* + * isf codebooks: two-stage VQ with split-by-5 in 2nd stage + * + * codebook vector dimension number of vectors + * ~~~~~~~~ ~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~ + * 1_1 9 256 + * 1_2 7 256 + * 2_1 3 64 + * 2_2 3 128 + * 2_3 3 128 + * 2_4 3 32 + * 2_5 4 32 + */ + +/* + * 1st stage codebook; 1st split: isf0 to isf8 + */ + +const Word16 D_ROM_dico1_isf[SIZE_BK1 * 9] = { + + 579, 1081, 1035, 390, 3, -263, -198, -82, 38, + 18, -68, -12, 313, 761, 405, 249, 111, -76, + 740, 1263, 1292, 1006, 997, 1019, 1017, 976, 923, + -91, 827, 948, 648, 613, 535, 522, 490, 421, + 41, -44, -281, -472, 652, 534, 193, 135, -90, + 41, -121, -356, -60, 663, 307, 61, -48, -344, + 557, 946, 1049, 867, 846, 990, 1112, 1262, 1241, + -118, -204, 328, 512, 870, 793, 610, 402, 186, + 156, 293, 74, -338, -475, -897, -594, -161, -497, + 226, 131, -138, 307, 169, -271, -164, -387, -624, + 62, -32, -61, -252, -541, -828, -1027, -523, -662, + 102, -61, 141, 112, -270, -251, -541, 25, -150, + 6, -132, -356, -686, -96, -322, -522, -31, -326, + -36, -209, -521, -229, 307, -132, -5, -99, -384, + 60, -51, -237, -668, -973, -407, -708, -75, -172, + 26, -138, -266, 111, -302, 43, -278, -356, -359, + 570, 822, 496, -154, -312, -92, 137, 279, 371, + -146, 368, 409, 68, 6, 77, 167, 202, 162, + 633, 898, 996, 756, 662, 683, 783, 909, 996, + -103, 294, 607, 415, 483, 462, 480, 431, 408, + -120, -338, -612, -524, 584, 331, 92, 433, 276, + -178, -293, -154, -41, 269, 100, -9, 213, 160, + 830, 736, 278, 820, 1254, 686, 712, 1039, 473, + -218, -304, 463, 454, 397, 273, 202, 286, 273, + -232, 7, 6, -388, -472, -427, -378, -167, -100, + -294, -183, 134, -47, 101, -88, -84, -117, -3, + 57, 17, -202, -634, -989, -1119, -533, 176, -36, + 120, -28, 23, 111, -319, 318, -22, -77, 266, + -271, -464, -434, -658, -640, -385, -385, -99, -69, + -198, -259, -266, -44, -39, -139, -137, 171, 66, + 9, -145, -377, -846, -1000, -111, -325, 342, 135, + -81, -286, -380, 192, -57, 307, 76, -24, -140, + 677, 702, 247, 56, 249, 141, -105, -236, -99, + 36, -39, -69, 348, 198, -93, 322, 91, -72, + 503, 885, 1508, 1307, 1282, 1172, 1119, 1209, 1061, + 416, 719, 989, 1227, 1001, 1052, 954, 741, 1044, + -127, -376, -657, 139, 623, 223, 501, 306, 220, + -113, -384, -796, 504, 438, 85, 213, -83, -194, + 585, 1132, 1233, 1091, 1247, 1433, 1512, 1448, 1314, + -174, -422, 7, 1155, 1089, 1182, 1003, 945, 806, + 8, -126, -317, -103, -351, -695, -98, -268, -537, + 33, -103, -290, 167, -39, -407, 44, -208, -375, + 104, -23, -64, -291, -637, -851, -1084, -61, -112, + -75, -306, -434, 218, -148, -354, -680, -133, -216, + -121, -377, -718, -97, -130, -361, -156, -379, -599, + -56, -254, -586, 235, 157, -214, 11, -260, -149, + -124, -267, -397, -580, -593, -527, -805, -385, 346, + -193, -440, -708, -351, -141, -255, -499, -147, -185, + 448, 660, 494, 208, 509, 461, 338, 291, 149, + -223, 88, 335, 159, 212, 191, 286, 308, 205, + -31, 469, 803, 659, 619, 658, 843, 987, 1113, + -171, -242, 514, 362, 295, 524, 552, 694, 585, + -64, -308, -448, -21, 284, 786, 446, 289, 92, + -218, -390, -7, 169, 206, 330, 352, 408, 358, + -36, 702, 959, 859, 861, 1115, 1269, 1357, 1305, + -133, -341, -65, 678, 417, 440, 486, 518, 780, + 33, -44, -191, -344, -461, -755, -201, 217, -31, + -353, -547, -44, 123, -61, -68, -79, 29, 60, + 73, -57, -406, -766, -1243, -1203, 240, 400, 165, + -73, -282, -601, -213, -171, -375, 332, 35, -103, + -29, -207, -553, -476, -638, -908, 172, -22, -135, + -192, -239, -164, -103, -111, -47, 153, 125, 110, + -1, -203, -570, -1030, -1424, -535, 155, 1, 147, + -333, -653, -865, -197, -158, -21, -44, 95, 108, + 389, 588, 490, 33, -237, -524, -628, -136, -260, + 40, -177, -462, 453, 862, 380, 131, -130, -405, + 842, 1678, 1841, 1549, 1474, 1256, 1082, 905, 742, + 370, 1216, 1768, 1633, 1212, 636, 22, -330, 71, + -76, -281, -741, -742, 898, 619, 277, 71, -222, + -32, -265, -556, -25, 994, 682, 305, 126, -165, + 73, 738, 893, 968, 993, 1768, 2273, 1840, 1391, + -69, -349, -585, 234, 1158, 903, 626, 510, 251, + -1, -99, -272, -210, -603, -351, -540, -811, -383, + -16, -230, -504, 410, 149, -205, -343, -651, -639, + 103, -9, -227, -205, -562, -781, -1079, -1208, -156, + 143, 63, -135, -67, -317, -602, -784, -1154, -640, + -144, -391, -674, -622, -200, -254, -660, -947, -395, + -40, -250, -625, 27, 543, 94, -131, -386, -673, + -123, -371, -757, -451, -564, -614, -415, -711, -35, + -116, -309, -593, -268, 239, -33, -338, -650, -135, + 94, 251, 554, 57, -312, -423, -154, -57, 235, + -268, -71, 381, 114, -44, -87, 125, 173, 133, + 1513, 1714, 1238, 534, 276, 315, 461, 459, 508, + -131, -19, 1149, 670, 486, 356, 309, 369, 296, + -223, -501, -899, -722, -70, 6, 131, 310, 394, + -99, -303, -517, 249, 64, -53, 135, -11, 453, + -147, -399, -730, -401, 817, 738, 802, 749, 575, + -154, -435, -739, 800, 593, 366, 529, 318, 326, + -224, 45, -39, -387, -515, -518, -608, -384, -321, + -315, -377, 143, -101, -113, -377, -177, -144, -12, + 117, 40, -239, -651, -1051, -581, -737, -990, -328, + 26, -50, -157, -23, -453, -283, -531, -546, 192, + -252, -501, -743, -589, -627, -499, -328, -118, -72, + -324, -494, -244, -306, -144, -177, -262, -135, -78, + -36, -234, -519, -961, -1290, -314, -479, -371, -45, + -95, -292, -535, -8, -300, 112, -164, -277, 198, + -99, -128, 880, 836, 579, 351, 23, -95, -217, + -27, -258, 124, 1011, 597, 425, 144, 7, -73, + 421, 1293, 1640, 1623, 1742, 1617, 1499, 1284, 1006, + -95, 752, 1680, 1569, 1618, 1436, 1200, 980, 712, + -69, -300, -683, -435, 1132, 899, 504, 332, 109, + -74, -323, -637, 563, 1074, 608, 371, 105, -49, + -78, 831, 1194, 1110, 1378, 1481, 1492, 1365, 1217, + -259, -121, 1440, 1334, 1628, 1490, 1438, 1223, 933, + -82, -306, -613, -222, -378, -675, -545, -671, -845, + 53, -124, -347, 422, 52, -125, -270, -529, 9, + 79, -89, -320, -662, -999, -1199, -1243, -676, -297, + -68, -273, -611, 137, -146, -397, -627, -845, -220, + -112, -346, -797, -826, 234, -132, -188, -278, -522, + -159, -405, -734, -419, 293, 74, -167, -167, 184, + -153, -437, -833, -1080, -336, -472, -561, -340, -253, + -169, -423, -820, -904, -131, -19, -346, -604, 31, + 33, -31, 312, 62, -148, 49, -59, 564, 486, + -306, -333, 194, -44, 67, 72, 147, 205, 243, + -207, -49, 1360, 983, 969, 991, 1014, 1110, 973, + -211, -172, 883, 627, 711, 674, 705, 798, 746, + -88, -325, -763, -974, 687, 908, 514, 382, 172, + -292, -612, -805, 63, 131, 270, 259, 352, 348, + -235, -84, 955, 818, 1120, 1289, 1559, 1480, 1285, + -180, -461, -614, 657, 691, 745, 854, 783, 713, + -97, -309, -477, -614, -777, -734, -768, -526, -472, + -344, -476, -35, -169, 49, -77, -150, -240, -141, + -52, -268, -639, -919, -1278, -1113, -342, -333, -151, + -68, -242, -585, -73, -209, -478, -159, -429, 133, + -197, -499, -1005, -1268, -272, -224, -105, -67, 17, + -363, -618, -414, -116, -62, 20, 10, 116, 108, + -195, -475, -906, -1260, -891, -441, -277, -142, -28, + -226, -519, -950, -700, -275, -266, -116, -105, 82, + 404, 511, 520, 327, 17, -194, -333, -536, -586, + -114, -130, 276, 237, 204, 342, 135, -16, -111, + 670, 1208, 1168, 860, 742, 601, 528, 403, 309, + 397, 621, 966, 752, 579, 398, 400, 329, 252, + 191, 180, -137, -467, 272, 106, -95, 17, -192, + -80, -290, -626, 194, 598, 196, 21, -281, 77, + 510, 864, 1108, 807, 939, 902, 925, 717, 481, + 137, 367, 534, 764, 670, 382, 296, 153, 84, + 303, 497, 144, -85, -125, -539, -482, -464, -764, + 233, 347, 68, -147, 169, -210, -242, -226, -482, + 307, 422, 154, -175, -386, -722, -724, -904, -1015, + 309, 308, 160, -60, -470, -420, -598, -791, -219, + 68, 121, -137, -560, -146, -446, -515, -494, -729, + 130, 53, -227, 46, 474, 32, -161, -192, -490, + 213, 164, -71, -465, -876, -161, -456, -587, -48, + 218, 117, 39, 177, -194, -88, -226, -418, 50, + 210, 547, 569, 279, 121, -44, -50, 10, -84, + 58, 140, 182, -5, 267, 117, 106, 211, 198, + 539, 835, 913, 719, 617, 544, 591, 565, 642, + 153, 559, 872, 460, 222, 108, 188, 180, 183, + 158, 119, 284, -153, -271, 229, 87, 110, -57, + -183, 82, 118, 21, 13, 40, 118, 191, 185, + 162, 889, 654, 108, -34, 244, 488, 561, 532, + 163, 56, 609, 341, 50, 329, 68, 266, 218, + 100, 206, 18, -304, -107, -436, -487, -65, -306, + -86, 154, 134, -30, -45, -73, -104, -80, -96, + 245, 330, 10, -440, -849, -1082, 79, 40, -265, + 196, 372, 272, -181, -493, -389, 275, 80, -59, + 2, -12, -246, -505, -100, -436, 21, -187, -431, + -221, -48, 36, -271, -186, -147, -109, 26, 71, + 213, 140, 72, -351, -620, -84, -363, 69, 46, + 91, 167, -3, -95, -99, -105, -48, 114, 147, + 259, 249, 172, 607, 406, 52, 59, -189, -320, + 115, -85, -54, 574, 128, 226, -59, -253, 130, + -62, 1033, 1308, 1035, 1127, 1098, 1029, 961, 823, + 39, 364, 757, 940, 728, 660, 659, 583, 770, + -115, -338, -760, -471, 394, 37, 441, 178, 6, + -57, -305, -525, 796, 453, 188, -4, -114, 248, + 71, 444, 797, 731, 1096, 1157, 1222, 1029, 811, + 135, 359, 551, 425, 749, 815, 874, 704, 502, + 132, 247, 0, -206, -449, -750, -258, -514, -633, + 248, 249, 91, 121, -195, -499, -90, -282, -435, + 78, 20, -277, -623, -983, -1224, -415, -458, -639, + 347, 509, 208, -179, -464, -728, -76, -237, -486, + -103, -343, -756, -713, -265, -609, -191, -398, -636, + -121, -383, -749, 567, 252, -36, -354, -417, -50, + 204, 100, -149, -650, -1081, -47, -7, -263, 111, + -46, -180, -267, -324, -562, -394, -692, 398, 292, + 482, 670, 683, 624, 442, 165, 116, 36, -149, + 108, 247, 291, 247, 355, 122, 109, 224, 296, + -14, 945, 990, 801, 755, 815, 847, 913, 892, + 292, 349, 725, 482, 388, 329, 429, 620, 667, + -34, 197, 213, -127, 84, 494, 620, 575, 375, + 126, 207, 172, 167, 362, 202, 296, 395, 455, + -6, 250, 539, 467, 636, 801, 1149, 1287, 1118, + 27, 240, 369, 280, 440, 411, 634, 892, 953, + 159, 170, -58, -395, -797, -690, 77, -211, -334, + -5, -28, -13, -74, -335, -603, 300, 88, -205, + 82, -33, -364, -698, -1203, -1153, 110, -146, -289, + 113, 1, -243, -588, -994, -496, 414, 160, 42, + -56, -247, -440, -693, -996, -479, 11, -178, -357, + -151, -353, -327, -211, -340, 141, 65, 425, 453, + 34, -169, -455, -932, -1215, 138, 499, 256, 324, + 68, 139, -15, -547, -478, 17, 306, 502, 481, + -32, -134, 445, 129, -143, -244, -503, -507, -599, + 61, -140, -345, 496, 458, -2, 20, -227, -514, + 394, 1765, 1666, 1339, 1117, 806, 642, 479, 380, + 215, 519, 920, 1053, 1090, 791, 528, 290, 155, + -54, -233, -647, -602, 639, 294, -2, -167, -442, + -78, -315, -791, -113, 820, 403, 158, -116, -356, + 529, 1851, 2003, 1228, 622, -41, -416, 344, 819, + -105, -379, -236, 1224, 893, 749, 568, 356, 214, + -17, -199, -144, 50, -283, -247, -578, -846, -1087, + 69, -11, -381, -206, 209, -284, -387, -416, -716, + 39, -5, -145, -374, -682, -909, -1074, -1169, -1066, + 287, 226, 67, -221, -662, -171, -421, -642, -707, + -132, -348, -538, -448, -20, -4, -354, -748, -933, + 4, -75, -289, -598, 317, 52, -208, -297, -559, + -88, -264, -358, -589, -631, -248, -523, -822, -1071, + 70, -8, 54, -314, -515, 92, -146, -274, -493, + 199, 62, 391, 158, -141, 71, -219, -203, -207, + 152, 40, 329, 162, -29, 48, -149, 108, 127, + 635, 1058, 883, 492, 372, 312, 317, 274, 241, + 267, 722, 1256, 882, 625, 248, 8, -81, -60, + -58, -138, -291, -600, -12, -2, -39, 147, 117, + -107, -345, -513, 459, 76, 92, -272, 388, 262, + 362, 516, 203, -409, -716, -831, -331, 185, 209, + -117, -391, -298, 671, 292, 538, 257, 166, -38, + -102, -319, -194, -283, -573, -262, -579, -219, -444, + -235, 78, 11, -168, -101, -229, -263, -321, -123, + 70, 50, -170, -599, -996, -588, -263, -516, -455, + 394, 363, 229, -136, -538, 21, -183, -348, -201, + -124, -368, -640, -879, -847, -209, -409, -494, -515, + -127, -341, -541, -425, -510, -10, -252, -473, -291, + 84, -69, -201, -676, -868, 103, -311, -132, -320, + 5, -173, -188, -297, -628, 197, -57, 7, -11, + 49, -160, 56, 558, 111, 33, -311, -440, -463, + -1, -246, -307, 862, 453, 139, -170, -355, -232, + 279, 966, 1642, 1478, 1463, 1123, 795, 525, 339, + -197, -38, 1702, 1331, 1252, 950, 692, 504, 426, + -108, -344, -861, -1172, 444, 354, 88, -46, -220, + -53, -321, -494, 1113, 744, 364, 198, -34, -75, + 457, 955, 1177, 1214, 1427, 1457, 1345, 917, 539, + -69, 199, 897, 1140, 1343, 1183, 977, 742, 522, + 122, 44, -269, 27, -155, -562, -307, -590, -773, + 154, 42, -160, 252, -129, -305, -471, -733, -371, + 135, 185, -82, -416, -722, -913, -504, -743, -880, + 149, 214, -84, -329, -680, -835, -426, -661, -81, + -128, -380, -735, -998, -337, 17, -182, -467, -697, + -84, -290, -510, -592, 13, 440, 154, -38, -279, + 70, -61, -246, -727, -1047, -80, -381, -535, -704, + 178, -2, -146, -670, -938, 482, 138, 63, 65, + -11, 15, 772, 443, 142, -20, -209, -126, -161, + -32, -249, 95, 552, 124, 30, -343, 82, -86, + 148, 751, 1515, 1105, 867, 606, 474, 448, 399, + -163, -257, 899, 1097, 906, 751, 502, 390, 294, + -51, -258, -447, -806, -368, 763, 464, 364, 183, + -166, -374, -367, 87, 35, 399, 418, 856, 833, + -205, -310, 588, 778, 785, 1065, 1118, 1245, 1157, + -173, -312, 107, 345, 400, 790, 870, 1113, 1001, + -7, -120, -387, -410, -614, -943, -226, -384, -491, + -203, -288, -51, -331, -90, -178, -408, -573, -338, + 56, -29, -273, -627, -1041, -798, -247, -467, 148, + 66, -2, -205, -205, -575, -349, -57, -352, -58, + -45, -225, -471, -924, -497, 77, -32, 44, -135, + -277, -491, -497, -502, -424, -202, -137, 77, 96, + 26, -179, -469, -1008, -1260, 262, -35, -132, -259, + -66, -232, -447, -533, -789, -191, -100, -267, 364 +}; + +/* + * 1st stage codebook; 2nd split: isf9 to isf15 + */ + +const Word16 D_ROM_dico2_isf[SIZE_BK2 * 7] = { + + 1357, 1313, 1136, 784, 438, 181, 145, + 636, 648, 667, 568, 442, 217, 362, + 427, 440, 674, 524, 332, 117, -417, + 121, 295, 468, 465, 230, 44, -221, + -147, -240, 149, 80, 390, 278, 106, + -418, -556, 552, 511, 235, 144, -95, + 43, 193, 274, 150, 67, 34, -273, + -43, -126, 171, 416, 282, 63, -354, + -372, -86, -344, -108, -94, -182, -89, + -600, -840, -200, 465, 258, -11, -253, + -48, 329, 97, -290, -543, -795, -354, + -570, -117, 187, 10, -133, -416, -76, + -618, -129, -247, -371, 45, -76, 277, + -1022, -1079, 126, 474, 254, 127, 52, + -281, 76, -167, -361, -283, -551, -283, + -119, -52, -1, 134, -32, -204, -415, + 1064, 827, 637, 684, 464, 209, 12, + 482, 416, 449, 371, 335, 294, 194, + 719, 576, 365, 135, 113, 91, -199, + 298, 176, 493, 366, 194, 163, 36, + -35, -236, -259, -36, -4, 99, 152, + -98, -306, -27, 228, 90, 111, -86, + 91, 13, -211, -258, -106, 86, -64, + 73, -35, -57, -31, 162, 35, -192, + -109, -335, -629, -66, -61, -128, 322, + -495, -669, -728, 193, 31, -220, 122, + 324, 95, -89, -91, -409, -710, -154, + 0, -234, 92, 33, -343, -609, -220, + -343, -408, -476, -655, -153, 82, 222, + -490, -745, -255, 49, -48, 135, -127, + 119, -67, -328, -390, -272, -545, -56, + -57, -130, -10, -7, -164, -47, -22, + 984, 1064, 961, 568, 210, -27, 16, + 811, 691, 754, 514, 224, -35, 166, + 662, 704, 618, 386, 57, -211, -257, + 510, 359, 418, 393, 91, -144, -18, + -193, -31, -27, 223, 89, -143, 24, + -112, -98, 471, 319, 185, 3, 175, + 252, 146, -47, 272, 48, -211, -234, + 146, 69, 203, 364, 68, -52, 51, + -259, -478, -697, -349, -758, -501, 63, + -501, -769, -289, 79, -311, -497, -106, + 251, 53, -235, -469, -895, -884, 145, + -416, -551, 140, -133, -523, -775, 44, + -326, -423, -713, -497, -86, -431, 99, + -757, -772, -160, -76, -46, -32, 379, + 85, -35, -200, -401, -663, -1040, -247, + -180, -330, -92, -376, 27, -183, -110, + 1279, 1086, 781, 502, 324, 164, 157, + 682, 466, 449, 277, 146, 28, 409, + 635, 472, 390, 107, -232, -538, -139, + 196, 396, 332, 213, 209, -29, -81, + 150, -95, -312, 76, -77, -320, -50, + 46, 9, 47, 175, 139, 30, 384, + 218, 206, -24, -250, -96, -276, -183, + 26, 119, 38, 14, -4, -133, -52, + -477, -614, -987, -715, -631, -813, 200, + -744, -1009, -1065, -745, -631, -171, 18, + -137, -251, -483, -613, -980, -1203, 12, + -605, -767, -562, -686, -1088, -515, 58, + -202, -428, -782, -1072, -96, -234, -179, + -480, -709, -1070, -897, -131, -92, 321, + -145, -193, -512, -729, -572, -765, -210, + -331, -585, -525, -631, -281, -208, -303, + 1165, 1104, 939, 828, 716, 426, 155, + 6, -109, 820, 778, 415, 113, -27, + 381, 339, 314, 265, 121, -9, -474, + -373, 47, 584, 442, 99, -231, -113, + -496, -38, -285, 262, 305, 170, 4, + -587, -556, 69, 66, 471, 354, 13, + -138, 70, -18, 106, 67, 167, -302, + -445, -141, 185, 191, 151, 83, -133, + -257, -521, -720, -198, 134, -46, -182, + -819, -1168, -777, 512, 359, 95, -113, + 137, -2, -74, -138, -401, -114, -371, + -242, -466, 204, 223, -31, -212, -192, + -532, -637, -466, -686, 256, 277, -139, + -1141, -1244, -381, -75, -54, 14, 88, + -311, 115, -143, -499, -343, 124, -416, + -616, -147, -135, 43, -4, 121, -369, + 835, 783, 641, 390, 355, 350, 64, + 72, 194, 443, 467, 436, 219, 372, + 464, 369, 192, 4, -156, -72, -226, + 57, 206, 303, 205, 188, 101, 265, + -40, -205, -488, -184, 276, 64, -26, + -217, -433, -297, 137, 328, 308, -289, + 378, 81, -308, -465, 57, -37, 227, + -100, 24, -36, -151, 199, 8, 143, + -426, -697, -1059, -133, 388, 161, 321, + -644, -1023, -1271, 39, 66, -123, 70, + 372, 177, -173, -556, -553, -304, -189, + -117, -369, -425, -122, -462, -152, -73, + -649, -850, -1189, -767, 497, 360, 222, + -798, -1139, -1455, -190, 430, 234, 179, + 42, -94, -405, -692, 38, -202, -246, + -169, -366, -290, -88, -64, 32, -292, + 1010, 923, 938, 710, 465, 230, 342, + 217, 300, 1054, 675, 68, -458, -179, + 78, 453, 316, 18, -237, -496, -243, + 167, 21, 424, 215, -91, -303, -170, + -290, -81, -70, -67, 40, 54, -59, + -353, -427, -90, 53, 94, 9, 54, + -28, 318, 283, 15, -240, -58, 79, + -75, -121, 229, 35, 58, 6, -133, + -351, -514, -744, -834, -705, -137, 164, + -1124, -1388, -1055, -230, -73, 40, 36, + -163, -233, -532, -785, -1170, -697, 96, + -788, -959, -246, -430, -624, -165, -8, + -856, -540, -630, -907, -337, -70, 76, + -937, -1042, -659, -733, -208, 199, -26, + -523, 78, -98, -501, -869, -890, -81, + -624, -703, -45, -348, -25, 87, -186, + 1005, 823, 546, 249, 90, -22, 207, + 298, 397, 381, 319, 200, 62, 303, + 473, 379, 133, -247, -632, -441, 75, + 284, 208, 391, 115, -25, 44, 95, + -72, 79, -95, -63, -129, -293, 203, + -164, -349, 115, 122, 69, -1, 378, + 348, 170, 99, 58, -179, -302, 188, + -190, -2, 150, 23, -51, -11, 216, + -615, -863, -1090, -1427, -802, -48, -6, + -961, -1276, -1548, -727, -58, 56, 223, + -124, -255, -561, -988, -1277, -148, -82, + -480, -660, -891, -1191, -1339, -325, 20, + -621, -917, -1296, -1350, 264, 289, 50, + -844, -1022, -1345, -1329, -293, 46, 278, + -260, -468, -829, -1176, -533, -560, -78, + -215, -484, -822, -1233, -791, 15, -138, + 1301, 1317, 1262, 1048, 716, 357, -64, + 578, 824, 925, 802, 630, 362, 102, + 470, 925, 767, 514, 327, 190, -112, + 225, 492, 495, 437, 598, 384, -45, + 43, 82, -42, 175, 519, 342, -64, + -304, -154, 159, 576, 403, 221, 327, + 214, 244, 122, -62, 312, 92, -160, + 218, 208, 310, 268, 306, 323, -199, + -285, -269, -79, -124, -143, -153, 236, + -205, -384, -426, 344, 59, -185, -184, + -272, 247, 126, -210, -518, -468, 78, + -99, -120, 502, 160, -280, -557, 304, + -423, -17, -283, -443, 215, 212, -140, + -564, -684, -228, 510, 361, 130, 323, + -428, 335, 98, -65, 36, -215, -246, + -362, 51, 364, -16, -234, 150, -165, + 914, 883, 751, 653, 676, 464, -153, + 631, 545, 535, 720, 596, 360, -81, + 783, 712, 512, 439, 341, 251, -391, + 497, 417, 249, 372, 295, 173, -193, + 128, -110, -385, 93, 39, 173, -231, + 216, -59, -253, 462, 389, 154, 69, + 455, 270, -4, -337, -49, 233, -322, + 307, 143, 53, 218, 128, 236, -156, + -37, -186, -240, -411, -110, 9, 399, + -140, -365, -628, 258, 380, 214, 277, + 131, 454, 177, -285, -520, 108, -214, + 77, -141, 201, -123, -490, -131, 60, + -14, -194, -521, -741, 273, 362, -33, + -362, -566, -287, -228, 161, 237, 317, + -269, 195, -75, -375, -204, 11, 77, + -128, -264, -156, -223, -475, 265, 27, + 1238, 1147, 916, 689, 432, 210, -280, + 800, 664, 879, 726, 411, 160, -164, + 454, 686, 536, 275, 147, 46, 111, + 303, 486, 512, 355, 241, 181, -69, + 79, 92, 29, 147, 233, 52, 17, + -171, 289, 131, 439, 271, 3, -10, + 413, 241, 144, 174, 155, -2, 14, + 58, 217, 247, 219, 149, 175, -18, + 228, -8, -240, -206, -513, -191, 202, + -96, -272, -454, 33, -300, -575, 46, + -10, -108, -246, -347, -770, -535, 9, + -326, -430, -61, -321, -704, -299, 201, + -1, -280, -603, -419, -185, 18, -36, + -516, -522, -379, -291, -181, -97, 27, + -159, -313, -525, -224, -510, -831, -197, + -292, -459, -59, -310, -562, -143, -351, + 1066, 912, 631, 389, 207, 86, -224, + 596, 512, 596, 505, 314, 122, -48, + 787, 861, 441, -93, -303, 33, -190, + 257, 469, 337, 51, 15, 298, -93, + 295, 73, -119, 25, 36, 23, 108, + -28, -3, -32, 114, 21, 185, 107, + 482, 305, 15, -279, -319, 52, 96, + 226, 46, 115, 72, -136, 133, -125, + 18, -207, -559, -590, -503, -482, 321, + -571, -789, -951, -172, -441, -538, 113, + 181, 14, -310, -641, -1001, -202, 159, + -136, -393, -433, -513, -911, -144, -22, + 72, -265, -706, -954, -159, 53, 332, + -338, -591, -852, -383, -395, 56, 44, + 43, -158, -464, -897, -631, -157, -294, + -161, -128, -328, -573, -483, -125, 11, + 1017, 906, 1051, 1005, 679, 341, -102, + 359, 334, 1567, 1314, 723, 105, 10, + -65, 726, 529, 301, 220, 43, -273, + -510, 436, 719, 566, 358, 179, 114, + -560, 298, 133, -120, 342, 225, 14, + -899, -101, 217, 617, 400, 146, -58, + -41, 352, 82, -196, 39, 121, -167, + -212, 59, 447, 284, 423, 250, -169, + -371, -484, -596, 30, -41, 249, 22, + -372, -650, -794, 477, 445, 216, -79, + -352, 275, 17, -443, -929, 92, 19, + -699, -696, 431, 264, -49, -310, 182, + -978, -217, -430, -400, 101, 261, 72, + -929, -889, -357, -13, 463, 378, 236, + -826, 56, 30, -299, -360, -128, -51, + -878, -299, -111, 75, 65, 36, 3, + 817, 368, -25, 354, 697, 591, -173, + 309, 212, 222, 751, 484, 140, -56, + 593, 379, 70, -8, 258, 180, 110, + 165, -46, 255, 297, 219, 273, 105, + 160, -70, -358, -181, 379, 330, 319, + -238, -369, -198, 740, 580, 319, -143, + 201, 109, -202, -456, 328, 276, -141, + 203, 170, 111, 42, 207, 360, 188, + -345, -399, -513, -233, 650, 422, 81, + -635, -961, -1220, 463, 539, 204, 209, + 202, -25, -194, -498, -787, 193, -143, + -449, -538, 195, -106, -331, 68, 62, + -228, -477, -840, -576, 317, 128, 283, + -671, -937, -807, -114, 391, 335, -62, + 246, 2, -314, -679, -303, 180, -88, + -107, -272, 90, -198, -28, 290, -112, + 885, 1149, 1021, 712, 496, 281, -83, + 269, 492, 787, 643, 347, 70, 124, + 336, 636, 499, 92, -229, -179, 191, + 26, 402, 564, 340, 149, -11, 135, + -440, 561, 470, 204, -72, -186, 140, + -720, 14, 355, 229, 68, -133, 465, + 110, 310, 103, 12, 106, 29, 158, + -178, 113, 161, 142, 121, 115, 27, + -651, -414, -645, -152, -164, -13, -429, + -639, -944, -681, -104, -81, 52, -189, + -663, -164, -316, -683, -954, -205, -83, + -609, -669, -172, -517, -694, 283, -80, + -646, -152, -383, -678, -246, -40, -143, + -747, -796, -745, -390, -98, 43, 275, + -599, -199, -398, -433, -436, -538, 31, + -1107, -568, -376, -265, -126, -21, 1, + 847, 573, 308, 392, 305, 101, 55, + 273, 293, 201, 267, 346, 201, 123, + 727, 480, 226, 2, -65, -138, 164, + 273, 208, 173, 292, 12, 253, 174, + 340, 207, 180, 88, 116, 46, 475, + -460, -166, -30, 13, 110, 173, 396, + 137, 88, 43, -137, -94, 34, 284, + 96, -14, 226, 40, 63, 70, 130, + -467, -735, -1012, -1174, -307, 305, -67, + -612, -920, -1146, -567, -8, 92, -25, + -182, -271, -492, -754, -857, 287, -75, + -494, -787, -689, -683, -709, 137, -326, + -288, -550, -903, -1105, 334, 321, -62, + -354, -653, -834, -445, 1, 377, -152, + -162, -306, -608, -937, -297, 247, -192, + -234, -477, -244, -488, -266, 342, -332 +}; + +/* + * 2nd stage codebook; 1st split: isf2_0 to isf2_2 + */ +const Word16 D_ROM_dico21_isf[SIZE_BK21 * 3] = { + + 329, 409, 249, + -33, 505, 160, + -29, -14, 582, + -262, 127, 354, + 145, 237, 175, + -152, 245, 122, + 27, 42, 340, + -84, -93, 311, + 285, 222, -156, + 47, -43, -504, + 234, 121, 385, + 104, -317, 45, + 176, 195, 8, + 104, -59, -94, + 177, 53, 192, + -34, -127, 152, + 570, 277, -34, + -67, -329, -639, + -157, -272, 462, + -177, -462, 198, + 322, 179, 115, + -386, 171, 19, + 19, -12, 195, + -120, -252, 201, + 304, 36, -336, + -128, -221, -380, + 171, -185, 296, + -242, -312, 23, + 198, 39, 16, + -3, -177, -111, + 111, -93, 76, + -92, -223, 4, + 177, 406, -44, + -168, 380, -149, + -4, 273, 331, + -420, 513, 277, + 21, 247, 47, + -58, 131, -2, + -3, 134, 180, + -145, 40, 175, + 189, 74, -145, + -27, -45, -325, + 370, -114, -21, + -83, -415, -173, + 77, 95, -51, + -40, -30, -67, + 71, 88, 86, + -35, -98, 14, + 69, 197, -334, + -196, 79, -231, + -348, -137, 218, + -352, -89, -85, + 47, 201, -130, + -165, 37, -15, + -43, 3, 86, + -161, -108, 79, + 83, 21, -237, + -81, -149, -238, + 150, -186, -251, + -186, -249, -162, + -19, 66, -139, + -26, -50, -181, + 24, 11, 0, + -130, -105, -98 +}; + + + +/* + * 2nd stage codebook; 2nd split: isf2_3 to isf2_5 + */ +const Word16 D_ROM_dico22_isf[SIZE_BK22 * 3] = { + + -127, 310, 42, + -242, 197, 5, + -151, 84, -17, + -214, 127, -149, + -247, -131, 159, + -268, -267, -95, + -217, 1, -79, + -271, -80, -185, + -45, 436, 159, + 165, 199, 391, + -33, 81, 187, + -66, -42, 355, + -298, -57, 343, + -108, -537, 226, + -144, -23, 193, + 176, -402, 87, + 53, 296, 25, + -84, 253, -104, + -58, 105, -126, + -169, 174, -314, + -48, 44, -294, + -164, -417, -242, + -139, 3, -194, + -155, -207, -211, + 119, 322, 213, + 333, 50, 380, + 237, 247, -2, + 466, -16, 201, + 238, -255, -107, + 67, -440, -149, + 122, -88, -139, + 88, -247, -73, + -41, 231, 167, + -62, 155, 16, + -65, 16, 77, + -68, -2, -63, + -151, -300, 160, + -18, -333, 54, + -56, -94, 5, + 2, -190, 14, + 92, 148, 209, + 108, 9, 272, + 108, 35, 110, + 142, -85, 145, + 47, -157, 279, + 3, -320, 246, + 43, -72, 68, + 86, -217, 135, + 36, 140, 79, + 56, 175, -49, + 26, 45, 3, + 73, 55, -101, + 109, -183, -242, + -4, -283, -242, + 48, -68, -48, + -6, -153, -122, + 161, 196, 96, + 232, 80, 190, + 165, 97, 11, + 258, -31, 71, + 267, -77, -91, + 311, -209, 87, + 152, -14, -22, + 150, -149, 9, + -324, 557, 187, + -384, 307, 46, + -251, 27, 77, + -365, 77, -52, + -482, -84, 160, + -424, -515, -64, + -294, -120, -4, + -476, -116, -109, + -97, 318, 365, + 106, 627, 445, + -190, 120, 287, + -146, 65, 619, + -427, 242, 363, + -361, -371, 432, + -347, 102, 168, + -629, 195, -14, + -65, 476, -47, + -297, 320, -168, + -55, 356, -264, + -391, 82, -286, + -51, -31, -556, + -178, -399, -586, + -205, -49, -360, + -343, -238, -337, + 220, 457, 58, + 561, 467, 259, + 340, 270, -168, + 450, 77, -280, + 60, 167, -413, + 133, -252, -492, + 216, 157, -290, + 282, 0, -495, + -226, 293, 183, + -157, 135, 122, + -158, -59, 39, + -133, -118, -97, + -332, -309, 113, + -160, -425, -6, + -149, -211, 24, + -80, -277, -90, + -11, 125, 338, + 130, -71, 465, + 5, -45, 184, + 237, -95, 253, + -139, -197, 297, + -19, -300, 511, + -63, -152, 139, + 250, -289, 336, + 124, 339, -150, + 34, 176, -208, + 171, 166, -116, + 94, 38, -229, + 75, -65, -339, + -78, -205, -385, + 0, -30, -163, + -56, -110, -242, + 321, 244, 194, + 505, 238, -1, + 317, 116, 65, + 309, 88, -74, + 452, -51, -50, + 334, -217, -290, + 211, 41, -152, + 238, -55, -260 +}; + + +/* + * 2nd stage codebook; 3rd split: isf2_6 to isf2_8 + */ +const Word16 D_ROM_dico23_isf[SIZE_BK23 * 3] = { + + -10, 151, 359, + 136, 298, 223, + 255, -104, 290, + 423, 6, 183, + -270, -269, -98, + -52, -82, 13, + -82, -274, -97, + 90, -246, -72, + -299, -70, 421, + -88, 365, 430, + 187, -318, 381, + 380, 37, 488, + -373, -316, 79, + -308, -101, 5, + -135, -451, 8, + 72, -421, -154, + 180, 170, -121, + 62, 177, -40, + 326, 80, -105, + 248, 263, -5, + -168, -181, -221, + -2, -23, -158, + -14, -149, -121, + 119, -91, -147, + 119, 332, -153, + 49, 303, 34, + 442, -55, -69, + 217, 454, 58, + -359, -187, -375, + -42, 50, -274, + -8, -267, -249, + 85, -86, -346, + -77, -40, 345, + 89, 134, 219, + 156, -80, 160, + 108, 40, 116, + -158, -206, 29, + 5, -32, 175, + -65, -158, 146, + 55, -78, 73, + -114, -222, 353, + -47, 81, 211, + 49, -151, 268, + 105, 4, 302, + -263, -132, 183, + -151, -28, 201, + -177, -307, 166, + 101, -221, 130, + 74, 58, -98, + 32, 44, 13, + 194, 30, -142, + 170, 96, 8, + -136, -119, -91, + -65, 8, -55, + 3, -188, 12, + 45, -63, -49, + 149, -21, -19, + 24, 144, 95, + 254, -22, 60, + 161, 196, 96, + -158, -61, 48, + -70, 33, 82, + -23, -321, 58, + 155, -147, 5, + -364, 328, 77, + -21, 453, 173, + -108, 82, 630, + 367, 263, 208, + -300, -62, -176, + -205, 143, -158, + -169, -410, -264, + 257, -269, -100, + -636, 289, -2, + -292, 627, 173, + -382, -363, 387, + 248, 524, 447, + -521, -111, -107, + -395, 118, -274, + -343, -680, -125, + -172, -447, -663, + 75, 148, -367, + -79, 263, -94, + 249, 148, -286, + 380, 271, -162, + -142, -4, -186, + -57, 111, -125, + -35, -108, -254, + 100, 29, -242, + -80, 303, -264, + -78, 464, -57, + 248, -22, -494, + 661, 662, 44, + -193, -40, -330, + -178, 145, -337, + -90, -199, -400, + -40, -23, -498, + -192, 114, 315, + -41, 244, 190, + 88, -97, 485, + 241, 80, 212, + -246, 40, 87, + -156, 147, 134, + -2, -334, 239, + 308, -203, 110, + -459, 251, 422, + -218, 310, 228, + -86, -346, 654, + 184, 175, 425, + -481, -63, 169, + -349, 117, 188, + -125, -560, 310, + 158, -416, 94, + 46, 171, -192, + -63, 157, 14, + 256, -35, -271, + 322, 123, 53, + -214, 4, -76, + -156, 86, -18, + 128, -197, -232, + 265, -90, -98, + -308, 332, -145, + -131, 308, 58, + 509, 59, -339, + 562, 196, -14, + -378, 100, -47, + -234, 202, 1, + 104, -270, -493, + 319, -210, -325 +}; + + +/* + * 2nd stage codebook; 4th split: isf2_9 to isf2_11 + */ +const Word16 D_ROM_dico24_isf[SIZE_BK24 * 3] = { + + -79, -89, -4, + -171, 77, -211, + 160, -193, 98, + 120, -103, 323, + 32, -22, -129, + 72, 78, -268, + 182, -76, -66, + 309, 99, -145, + -229, -157, -84, + -383, 98, -71, + -90, -352, 12, + -284, -178, 178, + -65, -125, -166, + -87, -175, -351, + 42, -198, -48, + 154, -140, -243, + -77, 18, 108, + -39, 355, 91, + 87, 8, 155, + -4, 158, 239, + 128, 95, -54, + 7, 246, -124, + 258, 15, 89, + 206, 216, 98, + -201, 9, 18, + -312, 233, 204, + -39, -174, 155, + -144, -9, 284, + -57, 70, -69, + -157, 187, 18, + 54, -30, 23, + 24, 135, 55 +}; + + +/* + * 2nd stage codebook; 5th split: isf2_12 to isf2_15 + */ +const Word16 D_ROM_dico25_isf[SIZE_BK25 * 4] = { + + 169, 142, -119, 115, + 206, -20, 94, 226, + -106, 313, -21, 16, + -62, 161, 71, 255, + -89, 101, -185, 125, + 72, -30, -201, 344, + -258, 33, -8, 81, + -104, -154, 72, 296, + 144, -68, -268, -25, + 81, -78, -87, 106, + 22, 155, -186, -119, + -46, -28, 27, 91, + -114, -37, -175, -33, + -94, -222, -189, 122, + -132, -119, -191, -270, + -172, -173, 18, -43, + 279, 135, -42, -128, + 187, -86, 229, -138, + 159, 240, 140, 46, + 69, 25, 227, 77, + 21, 115, 13, 8, + 68, -248, 126, 81, + -150, 137, 207, -9, + -154, -133, 289, 67, + 143, -37, -86, -326, + 180, -32, 19, -23, + 26, 168, 116, -233, + -32, -26, 118, -78, + 3, -8, -45, -115, + 57, -215, -54, -83, + -209, 112, -22, -167, + -91, -151, 168, -262 +}; + +/* + * isf codebooks: two-stage VQ with split-by-3 in 2nd stage + * 1st stage is kept the same as the 46 bit quantizer + * + * codebook vector dimension number of vectors + * ~~~~~~~~ ~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~ + * 1_1 9 256 + * 1_2 7 256 + * 2_1 5 128 + * 2_2 4 128 + * 2_3 7 64 + */ + +const Word16 D_ROM_dico21_isf_36b[SIZE_BK21_36b * 5] = { + + -52, -96, 212, 315, -73, + 82, -204, 363, 136, -197, + -126, -331, 183, 218, 143, + -49, -41, 557, 230, 72, + 2, -73, 163, 377, 221, + 133, 111, 278, 215, -110, + -102, -20, 284, 113, 273, + 84, 319, 290, 18, 85, + -25, -5, 125, 132, -204, + -38, -5, 286, -9, -356, + -140, -256, 92, 117, -189, + -144, 191, 313, 51, -98, + 167, -10, 44, 247, 36, + 381, 197, 238, 74, 6, + 38, -408, 29, -3, -85, + 92, 266, 157, -25, -200, + 161, -121, 70, 84, -140, + -16, -86, 112, -94, -189, + -269, -270, 351, 107, -24, + -68, -67, 492, -103, -155, + -53, -131, 62, 122, 10, + 135, 84, 283, -55, -120, + -12, -219, 331, -81, 167, + 220, -136, 147, -172, -42, + 140, -95, -109, -88, -194, + 0, -2, -4, -33, -381, + -66, -217, 152, -186, -402, + 244, 108, 156, -140, -395, + 113, -136, -196, 110, -24, + 214, 118, 11, -64, -131, + -110, -286, -6, -332, 16, + 94, 97, 79, -291, -205, + -5, -39, -20, 252, -96, + 76, 174, 101, 163, 61, + -69, -239, -55, 399, 6, + -115, 319, 164, 275, 196, + -15, 36, -47, 331, 121, + 226, 209, 271, 325, 184, + 13, -80, -218, 471, 353, + 288, 378, 16, -51, 251, + 174, 116, 52, 149, -279, + 235, 276, 39, 120, -48, + 0, -108, -108, 241, -339, + -93, 534, 45, 33, -87, + 194, 149, -71, 405, -44, + 409, 370, 81, -186, -154, + 25, -102, -448, 124, -173, + 22, 408, -110, -310, -214, + -26, 23, -83, 114, 14, + -110, 164, 52, 223, -82, + 37, -25, -263, 306, -15, + -466, 415, 292, 165, -18, + 29, -19, -171, 155, 182, + 179, 144, -27, 231, 258, + -103, -247, -396, 238, 113, + 375, -154, -109, -4, 156, + 98, 85, -292, -5, -124, + 116, 139, -116, -98, -294, + -14, -83, -278, -117, -378, + 106, 33, -106, -344, -484, + 119, 17, -412, 138, 166, + 384, 101, -204, 88, -156, + -121, -284, -300, -1, -166, + 280, 33, -152, -313, -81, + -37, 22, 229, 153, 37, + -60, -83, 236, -8, -41, + -169, -228, 126, -20, 363, + -235, 17, 364, -156, 156, + -25, -30, 72, 144, 156, + 153, -26, 256, 97, 144, + -21, -37, 48, -65, 250, + 63, 77, 273, -128, 124, + -129, -26, 40, 9, -115, + -6, 82, 38, -90, -182, + -336, -13, 28, 158, 91, + -30, 241, 137, -170, -17, + 146, 14, -11, 33, 61, + 192, 197, 54, -84, 85, + 23, -200, -78, -29, 140, + 122, 237, 106, -341, 136, + -57, -142, -85, -16, -74, + -59, -90, -8, -187, -20, + -211, -267, 216, -179, -110, + -50, -7, 220, -267, -70, + -57, -42, -17, -15, 71, + 32, 21, 63, -137, 33, + -137, -175, 104, -68, 97, + -67, -43, 133, -301, 221, + -116, -200, -81, -92, -272, + -64, -41, -54, -244, -220, + -287, -242, -50, -87, -89, + -245, 236, 102, -166, -295, + 66, 24, -162, -71, 95, + 66, 136, -90, -220, -36, + -98, -161, -222, -188, 29, + -18, 18, -19, -415, 9, + 49, 61, 100, 39, -56, + -111, 82, 135, -31, 52, + -90, -153, -93, 189, 182, + -214, 295, 119, -74, 284, + 2, 137, 37, 47, 182, + 92, 117, 184, -53, 373, + -21, -14, -35, 136, 391, + 146, 129, -164, -28, 333, + 92, 80, -84, 100, -134, + -8, 217, -32, 3, -47, + -151, 251, -215, 142, 92, + -224, 310, -172, -275, 98, + 159, 155, -177, 112, 53, + 205, 27, 8, -240, 192, + 169, 120, -319, -201, 106, + 11, 36, -86, -237, 455, + -109, -154, -163, 174, -55, + -38, 32, -101, -78, -59, + -205, -321, -97, 69, 79, + -310, 44, 18, -185, 34, + -115, -20, -148, -39, 203, + -29, 154, -30, -158, 166, + -45, -131, -317, -24, 363, + -165, -205, -112, -222, 265, + -32, -44, -150, 54, -193, + -6, -38, -255, -169, -115, + -266, 87, -189, -36, -169, + -60, -87, -266, -436, -170, + -68, -81, -278, 24, 38, + -23, -19, -155, -256, 141, + -61, -226, -565, -175, 71, + 9, -29, -237, -515, 263 +}; + +const Word16 D_ROM_dico22_isf_36b[SIZE_BK22_36b * 4] = { + + -298, -6, 95, 31, + -213, -87, -122, 261, + 4, -49, 208, 14, + -129, -110, 30, 118, + -214, 258, 110, -235, + -41, -18, -126, 120, + 103, 65, 127, -37, + 126, -36, -24, 25, + -138, -67, -278, -186, + -164, -194, -201, 78, + -211, -87, -51, -221, + -174, -79, -94, -39, + 23, -6, -157, -240, + 22, -110, -153, -68, + 148, -5, -2, -149, + -1, -135, -39, -179, + 68, 360, -117, -15, + 137, 47, -278, 146, + 136, 260, 135, 65, + 61, 116, -45, 97, + 231, 379, 87, -120, + 338, 177, -272, 3, + 266, 156, 28, -69, + 260, 84, -85, 86, + -266, 154, -256, -182, + -17, -65, -304, -6, + -40, 175, -151, -180, + -27, 27, -87, -63, + 121, 114, -166, -469, + 159, -66, -323, -231, + 214, 152, -141, -212, + 137, 36, -184, -51, + -282, -237, 40, 10, + -48, -235, -37, 251, + -54, -323, 136, 29, + -88, -174, 213, 198, + -390, 99, -63, -375, + 107, -169, -164, 424, + 69, -111, 141, -167, + 74, -129, 65, 144, + -353, -207, -205, -109, + -160, -386, -355, 98, + -176, -493, -20, -143, + -252, -432, -2, 216, + -90, -174, -168, -411, + 13, -284, -229, -160, + -87, -279, 34, -251, + -75, -263, -58, -42, + 420, 53, -211, -358, + 384, -35, -374, 396, + 68, -228, 323, -2, + 167, -307, 192, 194, + 459, 329, -5, -332, + 375, 79, -7, 313, + 282, -124, 200, -92, + 271, -162, -70, 180, + -157, -298, -514, -309, + 58, -163, -546, 18, + 124, -364, 167, -238, + 83, -411, -117, 96, + 140, -112, -388, -624, + 259, -133, -317, 41, + 163, -130, -64, -334, + 226, -165, -124, -110, + -466, -61, 6, 229, + -153, 205, -145, 242, + -159, 48, 195, 148, + -58, 28, 31, 279, + -303, 185, 279, -4, + -61, 197, 59, 86, + -114, 123, 168, -52, + 35, 36, 100, 126, + -407, 102, -77, -40, + -338, -1, -342, 156, + -179, 105, -34, -97, + -185, 84, -35, 108, + -133, 107, -91, -357, + -180, 54, -229, 24, + -44, 47, 47, -182, + -66, 13, 45, 4, + -339, 251, 64, 226, + -42, 101, -350, 275, + -99, 398, 142, 121, + 111, 12, -102, 260, + 0, 505, 260, -94, + 161, 285, -96, 224, + -4, 206, 314, 33, + 167, 139, 88, 204, + -235, 316, -60, -25, + -8, -150, -312, 201, + -36, 292, 61, -104, + -40, 174, -162, 42, + -21, 402, -29, -351, + 21, 152, -360, -93, + 57, 191, 212, -196, + 76, 158, -21, -69, + -328, -185, 331, 119, + -53, 285, 56, 337, + -107, -24, 405, 29, + -18, 137, 272, 277, + -255, 22, 173, -191, + 295, 322, 325, 302, + 21, -27, 332, -178, + 119, 13, 271, 129, + -455, -180, 116, -191, + -227, 62, -148, 524, + -176, -287, 282, -157, + -243, 13, 199, 430, + -59, -49, 115, -365, + 72, -172, -137, 93, + -138, -126, 141, -84, + 5, -124, 38, -20, + -258, 311, 601, 213, + 94, 130, -61, 502, + -1, -157, 485, 313, + 146, -74, 158, 345, + 276, 135, 280, -57, + 490, 252, 99, 43, + 267, -74, 429, 105, + 278, -23, 119, 94, + -542, 488, 257, -115, + -84, -244, -438, 478, + -113, -545, 387, 101, + -95, -306, 111, 498, + 95, 166, 22, -301, + 420, -15, -58, -78, + 270, 29, 122, -282, + 160, -240, 50, -38 +}; + +const Word16 D_ROM_dico23_isf_36b[SIZE_BK23_36b * 7] = { + + 81, -18, 68, -27, -122, -280, -4, + 45, -177, 209, -30, -136, -74, 131, + -44, 101, -75, -88, -48, -137, -54, + -245, -28, 63, -18, -112, -103, 58, + -79, -6, 220, -65, 114, -35, -50, + 109, -65, 143, -114, 129, 76, 125, + 166, 90, -61, -242, 186, -74, -43, + -46, -92, 49, -227, 24, -155, 39, + 67, 85, 99, -42, 53, -184, -281, + 142, -122, 0, 21, -142, -15, -17, + 223, 92, -21, -48, -82, -14, -167, + 51, -37, -243, -30, -90, 18, -56, + 54, 105, 74, 86, 69, 13, -101, + 196, 72, -89, 43, 65, 19, 39, + 121, 34, 131, -82, 25, 213, -156, + 101, -102, -136, -21, 57, 214, 22, + 36, -124, 205, 204, 58, -156, -83, + 83, -117, 137, 137, 85, 116, 44, + -92, -148, -68, 11, -102, -197, -220, + -76, -185, -58, 132, -26, -183, 85, + -7, -31, -2, 23, 205, -151, 10, + -27, -37, -5, -18, 292, 131, 1, + 117, -168, 9, -93, 80, -59, -125, + -182, -244, 98, -24, 135, -22, 94, + 221, 97, 106, 42, 43, -160, 83, + 25, -64, -21, 6, 14, -15, 154, + 126, 15, -140, 150, -10, -207, -114, + 79, -63, -211, -70, -28, -217, 165, + 46, 38, -22, 281, 132, -62, 109, + 112, 54, -112, -93, 208, 27, 296, + 115, 10, -147, 41, 216, 42, -276, + 50, -115, -254, 167, 117, -2, 61, + 17, 144, 34, -72, -186, -150, 272, + -29, -66, -89, -95, -149, 129, 251, + 122, 0, -50, -234, -91, 36, 26, + -105, -102, -88, -121, -236, -7, -11, + -204, 109, 5, -191, 105, -15, 163, + -80, 32, -24, -209, 41, 294, 70, + -106, -94, -204, -118, 120, -50, -37, + -82, -241, 46, -131, -29, 150, -55, + 33, 155, 120, -89, -8, 7, 62, + 213, 82, 61, 18, -161, 144, 152, + 30, 131, 65, -87, -255, -17, -107, + -8, 85, -64, 51, -162, 223, -53, + -134, 261, 69, -56, 218, 72, -111, + 2, 155, -113, -87, 49, 85, -28, + -163, 42, -1, -196, 7, 39, -245, + 14, -137, -79, 11, -160, 202, -293, + -94, 33, 208, 100, 56, -44, 326, + -78, -41, 232, 13, -142, 227, 80, + -16, -87, 201, 33, -133, 15, -183, + -58, -192, -47, 184, -128, 133, 99, + -205, 11, -155, 78, 52, 72, 141, + -246, 26, 99, 151, 59, 115, -64, + -79, -47, -16, -14, 6, 47, -43, + -72, -178, -27, 162, 112, 43, -174, + -175, 238, 186, 71, -54, -188, -76, + -225, 233, 39, -39, -158, 122, 44, + -26, 43, 84, 130, -93, -51, 22, + 3, 92, -150, 136, -182, -57, 97, + -131, 179, -78, 80, 91, -165, 90, + -2, 148, 15, 130, 65, 175, 117, + -138, 114, -137, 132, 3, -10, -186, + 140, -4, -37, 254, -62, 92, -109 +}; + +/* + * isf codebooks: split-by-5 VQ + * + * codebook vector dimension number of vectors + * ~~~~~~~~ ~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~ + * 1 2 64 + * 2 3 64 + * 3 3 64 + * 4 4 32 + * 5 4 32 + */ + +/* + * 1st split: isf0 to isf1 + */ +const Word16 D_ROM_dico1_isf_noise[SIZE_BK_NOISE1 * 2] = { + -269, -673, + -222, -537, + -233, -430, + -138, -451, + -212, -331, + -192, -241, + -87, -231, + -191, -128, + -70, -106, + -164, -6, + 74, -179, + 27, -33, + -102, 74, + -162, 115, + -94, 172, + -6, 130, + -143, 234, + 14, 218, + -65, 270, + 88, 182, + -124, 341, + -44, 381, + 38, 335, + 117, 274, + -112, 454, + 74, 431, + -5, 488, + 175, 384, + -83, 561, + 122, 529, + 21, 601, + 229, 481, + 231, 303, + 226, 608, + 300, 372, + 210, 187, + 306, 265, + 328, 473, + 382, 331, + 371, 132, + 139, 58, + 365, 21, + 250, -82, + 443, 218, + 483, 110, + 426, 415, + 579, 222, + 518, 333, + 573, 448, + 455, 529, + 685, 329, + 332, 580, + 595, 593, + 468, 645, + 762, 517, + 326, 709, + 485, 793, + 130, 684, + 671, 737, + 354, 876, + 88, 806, + -65, 706, + -35, 1016, + 266, 1123 +}; + + +/* + * 2nd split: isf2 to isf4 + */ +const Word16 D_ROM_dico2_isf_noise[SIZE_BK_NOISE2 * 3] = { + -824, -884, -949, + -805, -456, -418, + -442, -438, -541, + -217, -578, -793, + -168, -444, -582, + -287, -492, -274, + -552, -297, -300, + -163, -333, -358, + -370, -232, -232, + -175, -358, -159, + -381, -21, -357, + -184, -159, -162, + -53, -191, -280, + 18, -267, -215, + -138, 61, -283, + 71, -95, -294, + 13, -156, -546, + 0, -83, -79, + 44, 97, -316, + 178, -52, -213, + 222, -261, -422, + 237, -118, -44, + 141, 145, -132, + 363, 81, -287, + 213, 65, 34, + -107, 94, -5, + 91, -29, 126, + -355, 51, -41, + -219, -76, 145, + -63, 100, 244, + -719, 44, 27, + -572, -124, 155, + -423, 133, 315, + -917, 71, 224, + -268, 318, 131, + -93, -190, 420, + -97, 122, 491, + -79, 317, 355, + 130, 100, 325, + 86, -293, 210, + 133, 258, 161, + 176, -73, 465, + 195, 300, 384, + 348, 22, 221, + 376, 183, 409, + 377, 286, 202, + 242, 213, 659, + 257, 565, 248, + 344, 408, -76, + 405, 440, 509, + 612, 385, 379, + 536, 607, 216, + -56, 582, 192, + 100, 517, 567, + -365, 448, 445, + 728, 347, 10, + 505, 357, 759, + 636, 582, 658, + 335, 517, 852, + 378, 809, 572, + -195, 878, 829, + 529, 707, 987, + 918, 726, 392, + 1250, 997, 1063 +}; + +/* + * 3rd split: isf5 to isf7 + */ +const Word16 D_ROM_dico3_isf_noise[SIZE_BK_NOISE3 * 3] = { + -805, -838, -774, + -522, -627, -828, + -477, -486, -603, + -295, -481, -634, + -366, -384, -393, + -186, -414, -396, + -237, -394, -106, + -252, -202, -275, + -61, -177, -442, + -84, -198, -199, + -179, -125, -31, + -72, -47, -163, + -298, -220, 215, + -64, -168, 251, + -133, 156, -59, + -30, -2, 127, + 54, 66, -61, + -233, 21, 251, + 209, -50, 32, + 33, 194, 136, + -117, -18, 475, + 202, 46, 309, + 256, 185, 53, + 35, 200, 390, + 200, 263, 242, + -216, 302, 294, + 128, 358, 0, + 19, 431, 287, + 224, 447, 280, + 367, 165, 213, + 397, 314, 319, + 383, 379, 75, + 277, 325, 462, + 394, 505, 334, + 251, 98, -213, + 450, 153, 448, + 565, 226, 76, + 470, 383, 502, + 635, 390, 278, + 237, 135, 620, + 342, 401, 649, + 331, 551, 518, + 130, 418, 592, + 531, 306, 737, + 729, 389, 580, + 497, 557, 699, + 296, 383, 874, + 283, 624, 759, + 126, 622, 476, + 559, 595, 472, + 382, 770, 616, + 719, 613, 745, + 540, 639, 928, + 517, 826, 801, + 684, 811, 604, + 752, 786, 857, + 933, 661, 350, + 694, 450, 1061, + 562, 911, 1051, + 824, 813, 1104, + 758, 1047, 882, + 1140, 917, 889, + 1039, 1246, 1426, + 1483, 1666, 1876 +}; + +/* + * 4th split: isf8 to isf11 + */ +const Word16 D_ROM_dico4_isf_noise[SIZE_BK_NOISE4 * 4] = { + -776, -854, -891, -920, + -552, -610, -663, -741, + -321, -370, -476, -565, + 274, -160, -456, 201, + 265, 67, -160, -306, + -8, -210, 79, 272, + 163, 236, 307, 308, + 578, 317, 64, 298, + -9, 197, 342, 620, + 343, 232, 314, 622, + 173, 149, 548, 527, + 356, 370, 481, 376, + 135, 444, 488, 556, + 391, 471, 487, 653, + 228, 424, 576, 835, + 422, 372, 722, 682, + 295, 673, 693, 635, + 539, 596, 590, 449, + 475, 618, 659, 818, + 735, 517, 491, 673, + 602, 346, 257, 877, + 625, 635, 849, 720, + 727, 818, 698, 595, + 653, 481, 690, 1139, + 814, 762, 704, 908, + 507, 747, 898, 936, + 848, 855, 924, 785, + 646, 1037, 882, 795, + 772, 845, 1024, 1151, + 1133, 983, 818, 921, + 940, 1068, 1252, 1302, + 1588, 1767, 1718, 1513 +}; + +/* + * 5th split: isf12 to isf15 + */ +const Word16 D_ROM_dico5_isf_noise[SIZE_BK_NOISE5 * 4] = { + -810, -879, -945, -254, + 248, 184, 671, 128, + 288, 703, 918, 99, + 658, 558, 662, 219, + 552, 585, 910, 208, + 559, 804, 759, 119, + 606, 774, 921, -139, + 782, 761, 748, 208, + 756, 708, 983, 56, + 544, 864, 1010, 152, + 737, 698, 987, 299, + 771, 924, 879, 103, + 536, 785, 961, 405, + 667, 916, 801, 328, + 738, 705, 773, 439, + 823, 871, 992, 355, + 640, 1004, 1052, 369, + 724, 822, 949, 597, + 415, 655, 729, 482, + 1009, 896, 793, 363, + 908, 803, 687, -25, + 1016, 838, 1011, 189, + 947, 1112, 942, 222, + 914, 1049, 981, 527, + 956, 987, 1011, -120, + 781, 1049, 1121, 92, + 1178, 1053, 884, 47, + 1123, 1059, 1182, 118, + 933, 972, 1277, 357, + 1109, 918, 1101, 503, + 1039, 1286, 1220, 317, + 1351, 1207, 1010, 326 +}; + +/* + * Table of pitch and codebook gains + * + * g_pitch(Q14), g_code(Q11) + * + * pitch gain are ordered in table to reduce complexity + * during quantization of gains. + */ + +/* Number of quantization level is 64 */ +const Word16 D_ROM_qua_gain6b[64 * 2] = { + 1566, 1332, + 1577, 3557, + 3071, 6490, + 4193, 10163, + 4496, 2534, + 5019, 4488, + 5586, 15614, + 5725, 1422, + 6453, 580, + 6724, 6831, + 7657, 3527, + 8072, 2099, + 8232, 5319, + 8827, 8775, + 9740, 2868, + 9856, 1465, + 10087, 12488, + 10241, 4453, + 10859, 6618, + 11321, 3587, + 11417, 1800, + 11643, 2428, + 11718, 988, + 12312, 5093, + 12523, 8413, + 12574, 26214, + 12601, 3396, + 13172, 1623, + 13285, 2423, + 13418, 6087, + 13459, 12810, + 13656, 3607, + 14111, 4521, + 14144, 1229, + 14425, 1871, + 14431, 7234, + 14445, 2834, + 14628, 10036, + 14860, 17496, + 15161, 3629, + 15209, 5819, + 15299, 2256, + 15518, 4722, + 15663, 1060, + 15759, 7972, + 15939, 11964, + 16020, 2996, + 16086, 1707, + 16521, 4254, + 16576, 6224, + 16894, 2380, + 16906, 681, + 17213, 8406, + 17610, 3418, + 17895, 5269, + 18168, 11748, + 18230, 1575, + 18607, 32767, + 18728, 21684, + 19137, 2543, + 19422, 6577, + 19446, 4097, + 19450, 9056, + 20371, 14885 +}; + +/* Number of quantization level is 128 */ +const Word16 D_ROM_qua_gain7b[128 * 2] = { + 204, 441, + 464, 1977, + 869, 1077, + 1072, 3062, + 1281, 4759, + 1647, 1539, + 1845, 7020, + 1853, 634, + 1995, 2336, + 2351, 15400, + 2661, 1165, + 2702, 3900, + 2710, 10133, + 3195, 1752, + 3498, 2624, + 3663, 849, + 3984, 5697, + 4214, 3399, + 4415, 1304, + 4695, 2056, + 5376, 4558, + 5386, 676, + 5518, 23554, + 5567, 7794, + 5644, 3061, + 5672, 1513, + 5957, 2338, + 6533, 1060, + 6804, 5998, + 6820, 1767, + 6937, 3837, + 7277, 414, + 7305, 2665, + 7466, 11304, + 7942, 794, + 8007, 1982, + 8007, 1366, + 8326, 3105, + 8336, 4810, + 8708, 7954, + 8989, 2279, + 9031, 1055, + 9247, 3568, + 9283, 1631, + 9654, 6311, + 9811, 2605, + 10120, 683, + 10143, 4179, + 10245, 1946, + 10335, 1218, + 10468, 9960, + 10651, 3000, + 10951, 1530, + 10969, 5290, + 11203, 2305, + 11325, 3562, + 11771, 6754, + 11839, 1849, + 11941, 4495, + 11954, 1298, + 11975, 15223, + 11977, 883, + 11986, 2842, + 12438, 2141, + 12593, 3665, + 12636, 8367, + 12658, 1594, + 12886, 2628, + 12984, 4942, + 13146, 1115, + 13224, 524, + 13341, 3163, + 13399, 1923, + 13549, 5961, + 13606, 1401, + 13655, 2399, + 13782, 3909, + 13868, 10923, + 14226, 1723, + 14232, 2939, + 14278, 7528, + 14439, 4598, + 14451, 984, + 14458, 2265, + 14792, 1403, + 14818, 3445, + 14899, 5709, + 15017, 15362, + 15048, 1946, + 15069, 2655, + 15405, 9591, + 15405, 4079, + 15570, 7183, + 15687, 2286, + 15691, 1624, + 15699, 3068, + 15772, 5149, + 15868, 1205, + 15970, 696, + 16249, 3584, + 16338, 1917, + 16424, 2560, + 16483, 4438, + 16529, 6410, + 16620, 11966, + 16839, 8780, + 17030, 3050, + 17033, 18325, + 17092, 1568, + 17123, 5197, + 17351, 2113, + 17374, 980, + 17566, 26214, + 17609, 3912, + 17639, 32767, + 18151, 7871, + 18197, 2516, + 18202, 5649, + 18679, 3283, + 18930, 1370, + 19271, 13757, + 19317, 4120, + 19460, 1973, + 19654, 10018, + 19764, 6792, + 19912, 5135, + 20040, 2841, + 21234, 19833 +}; + +/* + * 1/4 resolution interpolation filter (-3 dB at 0.856*fs/2) in Q14 + */ +const Word16 D_ROM_inter4_2[UP_SAMP * 2 * L_INTERPOL2] = { + 0, 1, 2, 1, + -2, -7, -10, -7, + 4, 19, 28, 22, + -2, -33, -55, -49, + -10, 47, 91, 92, + 38, -52, -133, -153, + -88, 43, 175, 231, + 165, -9, -209, -325, + -275, -60, 226, 431, + 424, 175, -213, -544, + -619, -355, 153, 656, + 871, 626, -16, -762, + -1207, -1044, -249, 853, + 1699, 1749, 780, -923, + -2598, -3267, -2147, 968, + 5531, 10359, 14031, 15401, + 14031, 10359, 5531, 968, + -2147, -3267, -2598, -923, + 780, 1749, 1699, 853, + -249, -1044, -1207, -762, + -16, 626, 871, 656, + 153, -355, -619, -544, + -213, 175, 424, 431, + 226, -60, -275, -325, + -209, -9, 165, 231, + 175, 43, -88, -153, + -133, -52, 38, 92, + 91, 47, -10, -49, + -55, -33, -2, 22, + 28, 19, 4, -7, + -10, -7, -2, 1, + 2, 1, 0, 0 +}; + +/* + * 1/5 resolution interpolation filter (in Q14) + * -1.5dB @ 6kHz, -6dB @ 6.4kHz, -10dB @ 6.6kHz, -20dB @ 6.9kHz, -25dB @ 7kHz, -55dB @ 8kHz + */ +const Word16 D_ROM_fir_up[120] = { + -1, -4, -7, -6, 0, + 12, 24, 30, 23, 0, + -33, -62, -73, -52, 0, + 68, 124, 139, 96, 0, + -119, -213, -235, -160, 0, + 191, 338, 368, 247, 0, + -291, -510, -552, -369, 0, + 430, 752, 812, 542, 0, + -634, -1111, -1204, -809, 0, + 963, 1708, 1881, 1288, 0, + -1616, -2974, -3432, -2496, 0, + 3792, 8219, 12368, 15317, 16384, + 15317, 12368, 8219, 3792, 0, + -2496, -3432, -2974, -1616, 0, + 1288, 1881, 1708, 963, 0, + -809, -1204, -1111, -634, 0, + 542, 812, 752, 430, 0, + -369, -552, -510, -291, 0, + 247, 368, 338, 191, 0, + -160, -235, -213, -119, 0, + 96, 139, 124, 68, 0, + -52, -73, -62, -33, 0, + 23, 30, 24, 12, 0, + -6, -7, -4, -1, 0 +}; + +/* table x4/5 */ +const Word16 D_ROM_fir_down[120] = { + -1, -3, -6, -5, + 0, 9, 19, 24, + 18, 0, -26, -50, + -58, -41, 0, 54, + 99, 111, 77, 0, + -95, -170, -188, -128, + 0, 153, 270, 294, + 198, 0, -233, -408, + -441, -295, 0, 344, + 601, 649, 434, 0, + -507, -888, -964, -647, + 0, 770, 1366, 1505, + 1030, 0, -1293, -2379, + -2746, -1997, 0, 3034, + 6575, 9894, 12254, 13107, + 12254, 9894, 6575, 3034, + 0, -1997, -2746, -2379, + -1293, 0, 1030, 1505, + 1366, 770, 0, -647, + -964, -888, -507, 0, + 434, 649, 601, 344, + 0, -295, -441, -408, + -233, 0, 198, 294, + 270, 153, 0, -128, + -188, -170, -95, 0, + 77, 111, 99, 54, + 0, -41, -58, -50, + -26, 0, 18, 24, + 19, 9, 0, -5, + -6, -3, -1, 0 +}; + +/* + * Impulse response with phase dispersion + */ + +/* 2.0 - 6.4 kHz phase dispersion */ +const Word16 D_ROM_ph_imp_low[L_SUBFR] = { + 20182, 9693, 3270, -3437, 2864, -5240, 1589, -1357, + 600, 3893, -1497, -698, 1203, -5249, 1199, 5371, + -1488, -705, -2887, 1976, 898, 721, -3876, 4227, + -5112, 6400, -1032, -4725, 4093, -4352, 3205, 2130, + -1996, -1835, 2648, -1786, -406, 573, 2484, -3608, + 3139, -1363, -2566, 3808, -639, -2051, -541, 2376, + 3932, -6262, 1432, -3601, 4889, 370, 567, -1163, + -2854, 1914, 39, -2418, 3454, 2975, -4021, 3431 +}; + +/* 3.2 - 6.4 kHz phase dispersion */ +const Word16 D_ROM_ph_imp_mid[L_SUBFR] = { + 24098, 10460, -5263, -763, 2048, -927, 1753, -3323, + 2212, 652, -2146, 2487, -3539, 4109, -2107, -374, + -626, 4270, -5485, 2235, 1858, -2769, 744, 1140, + -763, -1615, 4060, -4574, 2982, -1163, 731, -1098, + 803, 167, -714, 606, -560, 639, 43, -1766, + 3228, -2782, 665, 763, 233, -2002, 1291, 1871, + -3470, 1032, 2710, -4040, 3624, -4214, 5292, -4270, + 1563, 108, -580, 1642, -2458, 957, 544, 2540 +}; + +/* + * Table for synthesis of signal at 16kHz with HF extension. + */ +const Word16 D_ROM_hp_gain[16] = { + 3624, 4673, 5597, 6479, 7425, 8378, 9324, 10264, + 11210, 12206, 13391, 14844, 16770, 19655, 24289, 32728 +}; + +/* + * isp and isf tables for initialization + */ +const Word16 D_ROM_isp[M] = { + 32138, 30274, 27246, 23170, 18205, 12540, 6393, 0, + -6393, -12540, -18205, -23170, -27246, -30274, -32138, 1475 +}; + +const Word16 D_ROM_isf[M] = { + 1024, 2048, 3072, 4096, 5120, 6144, 7168, 8192, + 9216, 10240, 11264, 12288, 13312, 14336, 15360, 3840 +}; + +/* + * means of ISFs + */ +const Word16 D_ROM_mean_isf[ORDER] = { + 738, 1326, 2336, 3578, 4596, 5662, 6711, 7730, + 8750, 9753, 10705, 11728, 12833, 13971, 15043, 4037 +}; + +const Word16 D_ROM_mean_isf_noise[ORDER] = { + 478, 1100, 2213, 3267, 4219, 5222, 6198, 7240, + 8229, 9153, 10098, 11108, 12144, 13184, 14165, 3803 +}; + +/* 16-byte align end */ + +/* + * LTP gain & fixed codebook gain consealement + */ + +/* pitch gain weight */ +const Word16 D_ROM_pdown_unusable[7] = {32767, 31130, 29491, 24576, 7537, 1638, 328}; +const Word16 D_ROM_cdown_unusable[7] = {32767, 16384, 8192, 8192, 8192, 4915, 3277}; + +/* codebook gain weight */ +const Word16 D_ROM_pdown_usable[7] = {32767, 32113, 31457, 24576, 7537, 1638, 328}; +const Word16 D_ROM_cdown_usable[7] = {32767, 32113, 32113, 32113, 32113, 32113, 22938}; + + +/* + * filter coefficients (gain=4.0) + */ +const Word16 D_ROM_fir_6k_7k[L_FIR] = { + -32, 47, 32, -27, -369, + 1122, -1421, 0, 3798, -8880, + 12349, -10984, 3548, 7766, -18001, + 22118, -18001, 7766, 3548, -10984, + 12349, -8880, 3798, 0, -1421, + 1122, -369, -27, 32, 47, + -32 +}; + +const Word16 D_ROM_fir_7k[L_FIR] = { + -21, 47, -89, 146, -203, + 229, -177, 0, 335, -839, + 1485, -2211, 2931, -3542, 3953, + 28682, 3953, -3542, 2931, -2211, + 1485, -839, 335, 0, -177, + 229, -203, 146, -89, 47, + -21 +}; + +/* + * LPC interpolation coef {0.45, 0.8, 0.96, 1.0}; in Q15 + */ +const Word16 D_ROM_interpol_frac[NB_SUBFR] = {14746, 26214, 31457, 32767}; + +/* + * Math tables + */ +const Word16 D_ROM_pow2[33] = { + 16384, 16743, 17109, 17484, 17867, 18258, 18658, 19066, 19484, 19911, + 20347, 20792, 21247, 21713, 22188, 22674, 23170, 23678, 24196, 24726, + 25268, 25821, 26386, 26964, 27554, 28158, 28774, 29405, 30048, 30706, + 31379, 32066, 32767 +}; + +const Word16 D_ROM_isqrt[49] = { + 32767, 31790, 30894, 30070, 29309, 28602, 27945, 27330, 26755, 26214, + 25705, 25225, 24770, 24339, 23930, 23541, 23170, 22817, 22479, 22155, + 21845, 21548, 21263, 20988, 20724, 20470, 20225, 19988, 19760, 19539, + 19326, 19119, 18919, 18725, 18536, 18354, 18176, 18004, 17837, 17674, + 17515, 17361, 17211, 17064, 16921, 16782, 16646, 16514, 16384 +}; + +const Word16 D_ROM_log2[33] = { + 0, 1455, 2866, 4236, 5568, 6863, 8124, 9352, 10549, 11716, + 12855, 13967, 15054, 16117, 17156, 18172, 19167, 20142, 21097, 22033, + 22951, 23852, 24735, 25603, 26455, 27291, 28113, 28922, 29716, 30497, + 31266, 32023, 32767 +}; + +/* table of cos(x) in Q15 */ +const Word16 D_ROM_cos[129] = { + 32767, + 32758, 32729, 32679, 32610, 32522, 32413, 32286, 32138, + 31972, 31786, 31581, 31357, 31114, 30853, 30572, 30274, + 29957, 29622, 29269, 28899, 28511, 28106, 27684, 27246, + 26791, 26320, 25833, 25330, 24812, 24279, 23732, 23170, + 22595, 22006, 21403, 20788, 20160, 19520, 18868, 18205, + 17531, 16846, 16151, 15447, 14733, 14010, 13279, 12540, + 11793, 11039, 10279, 9512, 8740, 7962, 7180, 6393, + 5602, 4808, 4011, 3212, 2411, 1608, 804, 0, + -804, -1608, -2411, -3212, -4011, -4808, -5602, -6393, + -7180, -7962, -8740, -9512, -10279, -11039, -11793, -12540, + -13279, -14010, -14733, -15447, -16151, -16846, -17531, -18205, + -18868, -19520, -20160, -20788, -21403, -22006, -22595, -23170, + -23732, -24279, -24812, -25330, -25833, -26320, -26791, -27246, + -27684, -28106, -28511, -28899, -29269, -29622, -29957, -30274, + -30572, -30853, -31114, -31357, -31581, -31786, -31972, -32138, + -32286, -32413, -32522, -32610, -32679, -32729, -32758, -32768 +}; + +#ifdef ENABLE_CPU2_DECODER +CPU2_DATA_END +#endif + + + diff --git a/audio_codec/libamr/dec_util.c b/audio_codec/libamr/dec_util.c new file mode 100644 index 0000000..9d0f6c5 --- a/dev/null +++ b/audio_codec/libamr/dec_util.c @@ -0,0 +1,1304 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#include +#include +#include +#include +#include +//#include +#include "typedef.h" +#include "dec_main.h" +#include "dec_lpc.h" + +#define MAX_16 (Word16)0x7FFF +#define MIN_16 (Word16)0x8000 +#define L_SUBFR 64 /* Subframe size */ +#define L_SUBFR16k 80 /* Subframe size at 16kHz */ +#define M16k 20 /* Order of LP filter */ +#define PREEMPH_FAC 22282 /* preemphasis factor (0.68 in Q15) */ +#define FAC4 4 +#define FAC5 5 +#define UP_FAC 20480 /* 5/4 in Q14 */ +#define INV_FAC5 6554 /* 1/5 in Q15 */ +#define NB_COEF_UP 12 +#define L_FIR 31 +#define MODE_7k 0 +#define MODE_24k 8 + + +extern const Word16 D_ROM_pow2[]; +extern const Word16 D_ROM_isqrt[]; +extern const Word16 D_ROM_log2[]; +extern const Word16 D_ROM_fir_up[]; +extern const Word16 D_ROM_fir_6k_7k[]; +extern const Word16 D_ROM_fir_7k[]; +extern const Word16 D_ROM_hp_gain[]; + +#ifdef WIN32 +#pragma warning( disable : 4310) +#endif +/* + * D_UTIL_random + * + * Parameters: + * seed I/O: seed for random number + * + * Function: + * Signed 16 bits random generator. + * + * Returns: + * random number + */ +Word16 D_UTIL_random(Word16 *seed) +{ + /*static Word16 seed = 21845;*/ + *seed = (Word16)(*seed * 31821L + 13849L); + return(*seed); +} + + +/* + * D_UTIL_pow2 + * + * Parameters: + * exponant I: (Q0) Integer part. (range: 0 <= val <= 30) + * fraction I: (Q15) Fractionnal part. (range: 0.0 <= val < 1.0) + * + * Function: + * L_x = pow(2.0, exponant.fraction) (exponant = interger part) + * = pow(2.0, 0.fraction) << exponant + * + * Algorithm: + * + * The function Pow2(L_x) is approximated by a table and linear + * interpolation. + * + * 1 - i = bit10 - b15 of fraction, 0 <= i <= 31 + * 2 - a = bit0 - b9 of fraction + * 3 - L_x = table[i] << 16 - (table[i] - table[i + 1]) * a * 2 + * 4 - L_x = L_x >> (30-exponant) (with rounding) + * + * Returns: + * range 0 <= val <= 0x7fffffff + */ +Word32 D_UTIL_pow2(Word16 exponant, Word16 fraction) +{ + Word32 L_x, tmp, i, exp; + Word16 a; + + L_x = fraction * 32; /* L_x = fraction<<6 */ + i = L_x >> 15; /* Extract b10-b16 of fraction */ + a = (Word16)(L_x); /* Extract b0-b9 of fraction */ + a = (Word16)(a & (Word16)0x7fff); + L_x = D_ROM_pow2[i] << 16; /* table[i] << 16 */ + tmp = D_ROM_pow2[i] - D_ROM_pow2[i + 1]; /* table[i] - table[i+1] */ + tmp = L_x - ((tmp * a) << 1); /* L_x -= tmp*a*2 */ + exp = 30 - exponant; + if (exp <= 31) { + L_x = tmp >> exp; + + if ((1 << (exp - 1)) & tmp) { + L_x++; + } + } else { + L_x = 0; + } + + return(L_x); +} + + +/* + * D_UTIL_norm_l + * + * Parameters: + * L_var1 I: 32 bit Word32 signed integer (Word32) whose value + * falls in the range 0x8000 0000 <= var1 <= 0x7fff ffff. + * + * Function: + * Produces the number of left shifts needed to normalize the 32 bit + * variable L_var1 for positive values on the interval with minimum of + * 1073741824 and maximum of 2147483647, and for negative values on + * the interval with minimum of -2147483648 and maximum of -1073741824; + * in order to normalize the result, the following operation must be done : + * norm_L_var1 = L_shl(L_var1,norm_l(L_var1)). + * + * Returns: + * 16 bit Word16 signed integer (Word16) whose value falls in the range + * 0x0000 0000 <= var_out <= 0x0000 001f. + */ +Word16 D_UTIL_norm_l(Word32 L_var1) +{ + Word16 var_out; + + if (L_var1 == 0) { + var_out = 0; + } else { + if (L_var1 == (Word32)0xffffffffL) { + var_out = 31; + } else { + if (L_var1 < 0) { + L_var1 = ~L_var1; + } + + for (var_out = 0; L_var1 < (Word32)0x40000000L; var_out++) { + L_var1 <<= 1; + } + } + } + + return(var_out); +} + + +/* + * D_UTIL_norm_s + * + * Parameters: + * L_var1 I: 32 bit Word32 signed integer (Word32) whose value + * falls in the range 0xffff 8000 <= var1 <= 0x0000 7fff. + * + * Function: + * Produces the number of left shift needed to normalize the 16 bit + * variable var1 for positive values on the interval with minimum + * of 16384 and maximum of 32767, and for negative values on + * the interval with minimum of -32768 and maximum of -16384. + * + * Returns: + * 16 bit Word16 signed integer (Word16) whose value falls in the range + * 0x0000 0000 <= var_out <= 0x0000 000f. + */ +Word16 D_UTIL_norm_s(Word16 var1) +{ + Word16 var_out; + + if (var1 == 0) { + var_out = 0; + } else { + if (var1 == -1) { + var_out = 15; + } else { + if (var1 < 0) { + var1 = (Word16)~var1; + } + + for (var_out = 0; var1 < 0x4000; var_out++) { + var1 <<= 1; + } + } + } + return(var_out); +} + + +/* + * D_UTIL_dot_product12 + * + * Parameters: + * x I: 12bit x vector + * y I: 12bit y vector + * lg I: vector length + * exp O: exponent of result (0..+30) + * + * Function: + * Compute scalar product of using accumulator. + * The result is normalized (in Q31) with exponent (0..30). + * + * Returns: + * Q31 normalised result (1 < val <= -1) + */ +Word32 D_UTIL_dot_product12(Word16 x[], Word16 y[], Word16 lg, Word16 *exp) +{ + Word32 sum, i, sft; + + sum = 0L; + + for (i = 0; i < lg; i++) { + sum += x[i] * y[i]; + } + sum = (sum << 1) + 1; + + /* Normalize acc in Q31 */ + sft = D_UTIL_norm_l(sum); + sum = sum << sft; + *exp = (Word16)(30 - sft); /* exponent = 0..30 */ + + return(sum); +} + + +/* + * D_UTIL_normalised_inverse_sqrt + * + * Parameters: + * frac I/O: (Q31) normalized value (1.0 < frac <= 0.5) + * exp I/O: exponent (value = frac x 2^exponent) + * + * Function: + * Compute 1/sqrt(value). + * If value is negative or zero, result is 1 (frac=7fffffff, exp=0). + * + * The function 1/sqrt(value) is approximated by a table and linear + * interpolation. + * 1. If exponant is odd then shift fraction right once. + * 2. exponant = -((exponant - 1) >> 1) + * 3. i = bit25 - b30 of fraction, 16 <= i <= 63 ->because of normalization. + * 4. a = bit10 - b24 + * 5. i -= 16 + * 6. fraction = table[i]<<16 - (table[i] - table[i+1]) * a * 2 + * + * Returns: + * void + */ +void D_UTIL_normalised_inverse_sqrt(Word32 *frac, Word16 *exp) +{ + Word32 i, tmp; + Word16 a; + + if (*frac <= (Word32)0) { + *exp = 0; + *frac = 0x7fffffffL; + return; + } + + if ((*exp & 0x1) == 1) { /* If exponant odd -> shift right */ + *frac = *frac >> 1; + } + *exp = (Word16)(-((*exp - 1) >> 1)); + *frac = *frac >> 9; + i = *frac >> 16; /* Extract b25-b31 */ + *frac = *frac >> 1; + a = (Word16)(*frac); /* Extract b10-b24 */ + a = (Word16)(a & (Word16)0x7fff); + i = i - 16; + *frac = D_ROM_isqrt[i] << 16; /* table[i] << 16 */ + tmp = D_ROM_isqrt[i] - D_ROM_isqrt[i + 1]; /* table[i] - table[i+1]) */ + *frac = *frac - ((tmp * a) << 1); /* frac -= tmp*a*2 */ + + return; +} + + +/* + * D_UTIL_inverse_sqrt + * + * Parameters: + * L_x I/O: (Q0) input value (range: 0<=val<=7fffffff) + * + * Function: + * Compute 1/sqrt(L_x). + * If value is negative or zero, result is 1 (7fffffff). + * + * The function 1/sqrt(value) is approximated by a table and linear + * interpolation. + * 1. Normalization of L_x + * 2. call Normalised_Inverse_sqrt(L_x, exponant) + * 3. L_y = L_x << exponant + * + * Returns: + * (Q31) output value (range: 0 <= val < 1) + */ +Word32 D_UTIL_inverse_sqrt(Word32 L_x) +{ + Word32 L_y; + Word16 exp; + + exp = D_UTIL_norm_l(L_x); + L_x = (L_x << exp); /* L_x is normalized */ + exp = (Word16)(31 - exp); + D_UTIL_normalised_inverse_sqrt(&L_x, &exp); + + if (exp < 0) { + L_y = (L_x >> -exp); /* denormalization */ + } else { + L_y = (L_x << exp); /* denormalization */ + } + + return(L_y); +} + + +/* + * D_UTIL_normalised_log2 + * + * Parameters: + * L_x I: input value (normalized) + * exp I: norm_l (L_x) + * exponent O: Integer part of Log2. (range: 0<=val<=30) + * fraction O: Fractional part of Log2. (range: 0<=val<1) + * + * Function: + * Computes log2(L_x, exp), where L_x is positive and + * normalized, and exp is the normalisation exponent + * If L_x is negative or zero, the result is 0. + * + * The function Log2(L_x) is approximated by a table and linear + * interpolation. The following steps are used to compute Log2(L_x) + * + * 1. exponent = 30 - norm_exponent + * 2. i = bit25 - b31 of L_x; 32 <= i <= 63 (because of normalization). + * 3. a = bit10 - b24 + * 4. i -= 32 + * 5. fraction = table[i] << 16 - (table[i] - table[i + 1]) * a * 2 + * + * + * Returns: + * void + */ +static void D_UTIL_normalised_log2(Word32 L_x, Word16 exp, Word16 *exponent, + Word16 *fraction) +{ + Word32 i, a, tmp; + Word32 L_y; + + if (L_x <= 0) { + *exponent = 0; + *fraction = 0; + return; + } + + *exponent = (Word16)(30 - exp); + + L_x = L_x >> 10; + i = L_x >> 15; /* Extract b25-b31 */ + a = L_x; /* Extract b10-b24 of fraction */ + a = a & 0x00007fff; + i = i - 32; + L_y = D_ROM_log2[i] << 16; /* table[i] << 16 */ + tmp = D_ROM_log2[i] - D_ROM_log2[i + 1]; /* table[i] - table[i+1] */ + L_y = L_y - ((tmp * a) << 1); /* L_y -= tmp*a*2 */ + *fraction = (Word16)(L_y >> 16); + + return; +} + + +/* + * D_UTIL_log2 + * + * Parameters: + * L_x I: input value + * exponent O: Integer part of Log2. (range: 0<=val<=30) + * fraction O: Fractional part of Log2. (range: 0<=val<1) + * + * Function: + * Computes log2(L_x), where L_x is positive. + * If L_x is negative or zero, the result is 0. + * + * Returns: + * void + */ +void D_UTIL_log2(Word32 L_x, Word16 *exponent, Word16 *fraction) +{ + Word16 exp; + + exp = D_UTIL_norm_l(L_x); + D_UTIL_normalised_log2((L_x << exp), exp, exponent, fraction); +} + + +/* + * D_UTIL_l_extract + * + * Parameters: + * L_32 I: 32 bit integer. + * hi O: b16 to b31 of L_32 + * lo O: (L_32 - hi<<16)>>1 + * + * Function: + * Extract from a 32 bit integer two 16 bit DPF. + * + * Returns: + * void + */ +void D_UTIL_l_extract(Word32 L_32, Word16 *hi, Word16 *lo) +{ + *hi = (Word16)(L_32 >> 16); + *lo = (Word16)((L_32 >> 1) - (*hi * 32768)); + + return; +} + + +/* + * D_UTIL_mpy_32_16 + * + * Parameters: + * hi I: hi part of 32 bit number + * lo I: lo part of 32 bit number + * n I: 16 bit number + * + * Function: + * Multiply a 16 bit integer by a 32 bit (DPF). The result is divided + * by 2^15. + * + * L_32 = (hi1*lo2)<<1 + ((lo1*lo2)>>15)<<1 + * + * Returns: + * 32 bit result + */ +Word32 D_UTIL_mpy_32_16(Word16 hi, Word16 lo, Word16 n) +{ + Word32 L_32; + + L_32 = hi * n; + L_32 += (lo * n) >> 15; + + return(L_32 << 1); +} + + +/* + * D_UTIL_mpy_32 + * + * Parameters: + * hi1 I: hi part of first number + * lo1 I: lo part of first number + * hi2 I: hi part of second number + * lo2 I: lo part of second number + * + * Function: + * Multiply two 32 bit integers (DPF). The result is divided by 2^31 + * + * L_32 = (hi1*lo2)<<1 + ((lo1*lo2)>>15)<<1 + * + * Returns: + * 32 bit result + */ +Word32 D_UTIL_mpy_32(Word16 hi1, Word16 lo1, Word16 hi2, Word16 lo2) +{ + Word32 L_32; + + L_32 = hi1 * hi2; + L_32 += (hi1 * lo2) >> 15; + L_32 += (lo1 * hi2) >> 15; + + return(L_32 << 1); +} + +/* + * D_UTIL_saturate + * + * Parameters: + * inp I: 32-bit number + * + * Function: + * Saturation to 16-bit number + * + * Returns: + * 16-bit number + */ +Word16 D_UTIL_saturate(Word32 inp) +{ + Word16 out; + if ((inp < MAX_16) & (inp > MIN_16)) { + out = (Word16)inp; + } else { + if (inp > 0) { + out = MAX_16; + } else { + out = MIN_16; + } + } + + return(out); +} + +/* + * D_UTIL_signal_up_scale + * + * Parameters: + * x I/O: signal to scale + * lg I: size of x[] + * exp I: exponent: x = round(x << exp) + * + * Function: + * Scale signal up to get maximum of dynamic. + * + * Returns: + * 32 bit result + */ +void D_UTIL_signal_up_scale(Word16 x[], Word16 lg, Word16 exp) +{ + Word32 i, tmp; + + for (i = 0; i < lg; i++) { + tmp = x[i] << exp; + x[i] = D_UTIL_saturate(tmp); + } + + return; +} + + +/* + * D_UTIL_signal_down_scale + * + * Parameters: + * x I/O: signal to scale + * lg I: size of x[] + * exp I: exponent: x = round(x << exp) + * + * Function: + * Scale signal up to get maximum of dynamic. + * + * Returns: + * 32 bit result + */ +void D_UTIL_signal_down_scale(Word16 x[], Word16 lg, Word16 exp) +{ + Word32 i, tmp; + + for (i = 0; i < lg; i++) { + tmp = x[i] << 16; + tmp = tmp >> exp; + x[i] = (Word16)((tmp + 0x8000) >> 16); + } + + return; +} + + +/* + * D_UTIL_deemph_32 + * + * Parameters: + * x_hi I: input signal (bit31..16) + * x_lo I: input signal (bit15..4) + * y O: output signal (x16) + * mu I: (Q15) deemphasis factor + * L I: vector size + * mem I/O: memory (y[-1]) + * + * Function: + * Filtering through 1/(1-mu z^-1) + * + * Returns: + * void + */ +static void D_UTIL_deemph_32(Word16 x_hi[], Word16 x_lo[], Word16 y[], + Word16 mu, Word16 L, Word16 *mem) +{ + Word32 i, fac; + Word32 tmp; + + fac = mu >> 1; /* Q15 --> Q14 */ + + /* L_tmp = hi<<16 + lo<<4 */ + tmp = (x_hi[0] << 12) + x_lo[0]; + tmp = (tmp << 6) + (*mem * fac); + tmp = (tmp + 0x2000) >> 14; + y[0] = D_UTIL_saturate(tmp); + + for (i = 1; i < L; i++) { + tmp = (x_hi[i] << 12) + x_lo[i]; + tmp = (tmp << 6) + (y[i - 1] * fac); + tmp = (tmp + 0x2000) >> 14; + y[i] = D_UTIL_saturate(tmp); + } + + *mem = y[L - 1]; + + return; +} + + +/* + * D_UTIL_synthesis_32 + * + * Parameters: + * a I: LP filter coefficients + * m I: order of LP filter + * exc I: excitation + * Qnew I: exc scaling = 0(min) to 8(max) + * sig_hi O: synthesis high + * sig_lo O: synthesis low + * lg I: size of filtering + * + * Function: + * Perform the synthesis filtering 1/A(z). + * + * Returns: + * void + */ +static void D_UTIL_synthesis_32(Word16 a[], Word16 m, Word16 exc[], + Word16 Qnew, Word16 sig_hi[], Word16 sig_lo[], + Word16 lg) +{ + Word32 i, j, a0, s; + Word32 tmp, tmp2; + + /* See if a[0] is scaled */ + s = D_UTIL_norm_s((Word16)a[0]) - 2; + + a0 = a[0] >> (4 + Qnew); /* input / 16 and >>Qnew */ + + /* Do the filtering. */ + for (i = 0; i < lg; i++) { + tmp = 0; + + for (j = 1; j <= m; j++) { + tmp -= sig_lo[i - j] * a[j]; + } + + tmp = tmp >> (15 - 4); /* -4 : sig_lo[i] << 4 */ + + tmp2 = exc[i] * a0; + + for (j = 1; j <= m; j++) { + tmp2 -= sig_hi[i - j] * a[j]; + } + + tmp += tmp2 << 1; + tmp <<= s; + + /* sig_hi = bit16 to bit31 of synthesis */ + sig_hi[i] = (Word16)(tmp >> 13); + + /* sig_lo = bit4 to bit15 of synthesis */ + sig_lo[i] = (Word16)((tmp >> 1) - (sig_hi[i] * 4096)); + } + + return; +} + + +/* + * D_UTIL_hp50_12k8 + * + * Parameters: + * signal I/O: signal + * lg I: lenght of signal + * mem I/O: filter memory [6] + * + * Function: + * 2nd order high pass filter with cut off frequency at 50 Hz. + * + * Algorithm: + * + * y[i] = b[0]*x[i] + b[1]*x[i-1] + b[2]*x[i-2] + * + a[1]*y[i-1] + a[2]*y[i-2]; + * + * b[3] = {0.989501953f, -1.979003906f, 0.989501953f}; + * a[3] = {1.000000000F, 1.978881836f,-0.966308594f}; + * + * + * Returns: + * void + */ +static void D_UTIL_hp50_12k8(Word16 signal[], Word16 lg, Word16 mem[]) +{ + Word32 i, L_tmp; + Word16 y2_hi, y2_lo, y1_hi, y1_lo, x0, x1, x2; + + y2_hi = mem[0]; + y2_lo = mem[1]; + y1_hi = mem[2]; + y1_lo = mem[3]; + x0 = mem[4]; + x1 = mem[5]; + + for (i = 0; i < lg; i++) { + x2 = x1; + x1 = x0; + x0 = signal[i]; + + /* y[i] = b[0]*x[i] + b[1]*x[i-1] + b140[2]*x[i-2] */ + /* + a[1]*y[i-1] + a[2] * y[i-2]; */ + L_tmp = 8192L; /* rounding to maximise precision */ + L_tmp = L_tmp + (y1_lo * 16211); + L_tmp = L_tmp + (y2_lo * (-8021)); + L_tmp = L_tmp >> 14; + L_tmp = L_tmp + (y1_hi * 32422); + L_tmp = L_tmp + (y2_hi * (-16042)); + L_tmp = L_tmp + (x0 * 8106); + L_tmp = L_tmp + (x1 * (-16212)); + L_tmp = L_tmp + (x2 * 8106); + L_tmp = L_tmp << 2; /* coeff Q11 --> Q14 */ + y2_hi = y1_hi; + y2_lo = y1_lo; + D_UTIL_l_extract(L_tmp, &y1_hi, &y1_lo); + L_tmp = (L_tmp + 0x4000) >> 15; /* coeff Q14 --> Q15 with saturation */ + signal[i] = D_UTIL_saturate(L_tmp); + + } + mem[0] = y2_hi; + mem[1] = y2_lo; + mem[2] = y1_hi; + mem[3] = y1_lo; + mem[4] = x0; + mem[5] = x1; + + return; +} + + +/* + * D_UTIL_interpol + * + * Parameters: + * x I: input vector + * fir I: filter coefficient + * frac I: fraction (0..resol) + * up_samp I: resolution + * nb_coef I: number of coefficients + * + * Function: + * Fractional interpolation of signal at position (frac/up_samp) + * + * Returns: + * result of interpolation + */ +Word16 D_UTIL_interpol(Word16 *x, Word16 const *fir, Word16 frac, + Word16 resol, Word16 nb_coef) +{ + Word32 i, k; + Word32 sum; + + x = x - nb_coef + 1; + sum = 0L; + + for (i = 0, k = ((resol - 1) - frac); i < 2 * nb_coef; i++, + k = (Word16)(k + resol)) { + sum = sum + (x[i] * fir[k]); + } + + if ((sum < 536846336) & (sum > -536879104)) { + sum = (sum + 0x2000) >> 14; + } else if (sum > 536846336) { + sum = 32767; + } else { + sum = -32768; + } + + return((Word16)sum); /* saturation can occur here */ +} + + +/* + * D_UTIL_up_samp + * + * Parameters: + * res_d I: signal to upsampling + * res_u O: upsampled output + * L_frame I: length of output + * + * Function: + * Upsampling + * + * Returns: + * void + */ +static void D_UTIL_up_samp(Word16 *sig_d, Word16 *sig_u, Word16 L_frame) +{ + Word32 pos, i, j; + Word16 frac; + + pos = 0; /* position with 1/5 resolution */ + + for (j = 0; j < L_frame; j++) { + i = (pos * INV_FAC5) >> 15; /* integer part = pos * 1/5 */ + frac = (Word16)(pos - ((i << 2) + i)); /* frac = pos - (pos/5)*5 */ + sig_u[j] = D_UTIL_interpol(&sig_d[i], D_ROM_fir_up, frac, FAC5, NB_COEF_UP); + pos = pos + FAC4; /* position + 4/5 */ + } + + return; +} + + +/* + * D_UTIL_oversamp_16k + * + * Parameters: + * sig12k8 I: signal to oversampling + * lg I: length of input + * sig16k O: oversampled signal + * mem I/O: memory (2*12) + * + * Function: + * Oversampling from 12.8kHz to 16kHz + * + * Returns: + * void + */ +static void D_UTIL_oversamp_16k(Word16 sig12k8[], Word16 lg, Word16 sig16k[], + Word16 mem[]) +{ + Word16 lg_up; + Word16 signal[L_SUBFR + (2 * NB_COEF_UP)]; + + memcpy(signal, mem, (2 * NB_COEF_UP) * sizeof(Word16)); + memcpy(signal + (2 * NB_COEF_UP), sig12k8, lg * sizeof(Word16)); + lg_up = (Word16)(((lg * UP_FAC) >> 15) << 1); + D_UTIL_up_samp(signal + NB_COEF_UP, sig16k, lg_up); + memcpy(mem, signal + lg, (2 * NB_COEF_UP) * sizeof(Word16)); + + return; +} + + +/* + * D_UTIL_hp400_12k8 + * + * Parameters: + * signal I/O: signal + * lg I: lenght of signal + * mem I/O: filter memory [6] + * + * Function: + * 2nd order high pass filter with cut off frequency at 400 Hz. + * + * Algorithm: + * + * y[i] = b[0]*x[i] + b[1]*x[i-1] + b[2]*x[i-2] + * + a[1]*y[i-1] + a[2]*y[i-2]; + * + * b[3] = {0.893554687, -1.787109375, 0.893554687}; + * a[3] = {1.000000000, 1.787109375, -0.864257812}; + * + * + * Returns: + * void + */ +void D_UTIL_hp400_12k8(Word16 signal[], Word16 lg, Word16 mem[]) +{ + + Word32 i, L_tmp; + Word16 y2_hi, y2_lo, y1_hi, y1_lo, x0, x1, x2; + + y2_hi = mem[0]; + y2_lo = mem[1]; + y1_hi = mem[2]; + y1_lo = mem[3]; + x0 = mem[4]; + x1 = mem[5]; + + for (i = 0; i < lg; i++) { + x2 = x1; + x1 = x0; + x0 = signal[i]; + + /* y[i] = b[0]*x[i] + b[1]*x[i-1] + b140[2]*x[i-2] */ + /* + a[1]*y[i-1] + a[2] * y[i-2]; */ + L_tmp = 8192L + (y1_lo * 29280); + L_tmp = L_tmp + (y2_lo * (-14160)); + L_tmp = (L_tmp >> 14); + L_tmp = L_tmp + (y1_hi * 58560); + L_tmp = L_tmp + (y2_hi * (-28320)); + L_tmp = L_tmp + (x0 * 1830); + L_tmp = L_tmp + (x1 * (-3660)); + L_tmp = L_tmp + (x2 * 1830); + L_tmp = (L_tmp << 1); /* coeff Q12 --> Q13 */ + y2_hi = y1_hi; + y2_lo = y1_lo; + D_UTIL_l_extract(L_tmp, &y1_hi, &y1_lo); + + /* signal is divided by 16 to avoid overflow in energy computation */ + signal[i] = (Word16)((L_tmp + 0x8000) >> 16); + } + mem[0] = y2_hi; + mem[1] = y2_lo; + mem[2] = y1_hi; + mem[3] = y1_lo; + mem[4] = x0; + mem[5] = x1; + + return; +} + + +/* + * D_UTIL_synthesis + * + * Parameters: + * a I: LP filter coefficients + * m I: order of LP filter + * x I: input signal + * y O: output signal + * lg I: size of filtering + * mem I/O: initial filter states + * update_m I: update memory flag + * + * Function: + * Perform the synthesis filtering 1/A(z). + * + * Returns: + * void + */ +static void D_UTIL_synthesis(Word16 a[], Word16 m, Word16 x[], Word16 y[], + Word16 lg, Word16 mem[], Word16 update) +{ + Word32 i, j, tmp, s; + Word16 y_buf[L_SUBFR16k + M16k], a0; + Word16 *yy; + + yy = &y_buf[m]; + + /* See if a[0] is scaled */ + s = D_UTIL_norm_s(a[0]) - 2; + /* copy initial filter states into synthesis buffer */ + memcpy(y_buf, mem, m * sizeof(Word16)); + + a0 = (Word16)(a[0] >> 1); /* input / 2 */ + + /* Do the filtering. */ + for (i = 0; i < lg; i++) { + tmp = x[i] * a0; + + for (j = 1; j <= m; j++) { + tmp -= a[j] * yy[i - j]; + } + tmp <<= s; + + y[i] = yy[i] = (Word16)((tmp + 0x800) >> 12); + } + + /* Update memory if required */ + if (update) { + memcpy(mem, &yy[lg - m], m * sizeof(Word16)); + } + + return; +} + + +/* + * D_UTIL_bp_6k_7k + * + * Parameters: + * signal I/O: signal + * lg I: lenght of signal + * mem I/O: filter memory [4] + * + * Function: + * 15th order band pass 6kHz to 7kHz FIR filter. + * + * Returns: + * void + */ +void D_UTIL_bp_6k_7k(Word16 signal[], Word16 lg, Word16 mem[]) +{ + Word32 x[L_SUBFR16k + (L_FIR - 1)]; + Word32 i, j, tmp; + + for (i = 0; i < (L_FIR - 1); i++) { + x[i] = (Word16)mem[i]; /* gain of filter = 4 */ + } + + for (i = 0; i < lg; i++) { + x[i + L_FIR - 1] = signal[i] >> 2; /* gain of filter = 4 */ + } + + for (i = 0; i < lg; i++) { + tmp = 0; + + for (j = 0; j < L_FIR; j++) { + tmp += x[i + j] * D_ROM_fir_6k_7k[j]; + } + + signal[i] = (Word16)((tmp + 0x4000) >> 15); + } + + for (i = 0; i < (L_FIR - 1); i++) { + mem[i] = (Word16)x[lg + i]; /* gain of filter = 4 */ + } + + return; +} + + +/* + * D_UTIL_hp_7k + * + * Parameters: + * signal I/O: ISF vector + * lg I: length of signal + * mem I/O: memory (30) + * + * Function: + * 15th order high pass 7kHz FIR filter + * + * Returns: + * void + */ +static void D_UTIL_hp_7k(Word16 signal[], Word16 lg, Word16 mem[]) +{ + + Word32 i, j, tmp; + Word16 x[L_SUBFR16k + (L_FIR - 1)]; + + memcpy(x, mem, (L_FIR - 1) * sizeof(Word16)); + memcpy(&x[L_FIR - 1], signal, lg * sizeof(Word16)); + + for (i = 0; i < lg; i++) { + tmp = 0; + + for (j = 0; j < L_FIR; j++) { + tmp += x[i + j] * D_ROM_fir_7k[j]; + } + + signal[i] = (Word16)((tmp + 0x4000) >> 15); + } + + memcpy(mem, x + lg, (L_FIR - 1) * sizeof(Word16)); + + return; +} + + +/* + * D_UTIL_Dec_synthesis + * + * Parameters: + * Aq I: quantized Az + * exc I: excitation at 12kHz + * Q_new I: scaling performed on exc + * synth16k O: 16kHz synthesis signal + * prms I: parameters + * HfIsf I/O: High frequency ISF:s + * mode I: codec mode + * newDTXState I: dtx state + * bfi I: bad frame indicator + * st I/O: State structure + * + * Function: + * Synthesis of signal at 16kHz with HF extension. + * + * Returns: + * void + */ +void D_UTIL_dec_synthesis(Word16 Aq[], Word16 exc[], Word16 Q_new, + Word16 synth16k[], Word16 prms, Word16 HfIsf[], + Word16 mode, Word16 newDTXState, Word16 bfi, + Decoder_State *st) +{ + Word32 tmp, i; + Word16 exp; + Word16 ener, exp_ener; + Word32 fac; + Word16 synth_hi[M + L_SUBFR], synth_lo[M + L_SUBFR]; + Word16 synth[L_SUBFR]; + Word16 HF[L_SUBFR16k]; /* High Frequency vector */ + Word16 Ap[M16k + 1]; + Word16 HfA[M16k + 1]; + Word16 HF_corr_gain; + Word16 HF_gain_ind; + Word32 gain1, gain2; + Word16 weight1, weight2; + + /* + * Speech synthesis + * + * - Find synthesis speech corresponding to exc2[]. + * - Perform fixed deemphasis and hp 50hz filtering. + * - Oversampling from 12.8kHz to 16kHz. + */ + memcpy(synth_hi, st->mem_syn_hi, M * sizeof(Word16)); + memcpy(synth_lo, st->mem_syn_lo, M * sizeof(Word16)); + D_UTIL_synthesis_32(Aq, M, exc, Q_new, synth_hi + M, synth_lo + M, L_SUBFR); + memcpy(st->mem_syn_hi, synth_hi + L_SUBFR, M * sizeof(Word16)); + memcpy(st->mem_syn_lo, synth_lo + L_SUBFR, M * sizeof(Word16)); + D_UTIL_deemph_32(synth_hi + M, synth_lo + M, synth, PREEMPH_FAC, L_SUBFR, + &(st->mem_deemph)); + D_UTIL_hp50_12k8(synth, L_SUBFR, st->mem_sig_out); + D_UTIL_oversamp_16k(synth, L_SUBFR, synth16k, st->mem_oversamp); + + /* + * HF noise synthesis + * + * - Generate HF noise between 5.5 and 7.5 kHz. + * - Set energy of noise according to synthesis tilt. + * tilt > 0.8 ==> - 14 dB (voiced) + * tilt 0.5 ==> - 6 dB (voiced or noise) + * tilt < 0.0 ==> 0 dB (noise) + */ + + /* generate white noise vector */ + for (i = 0; i < L_SUBFR16k; i++) { + HF[i] = (Word16)(D_UTIL_random(&(st->mem_seed2)) >> 3); + } + + /* energy of excitation */ + D_UTIL_signal_down_scale(exc, L_SUBFR, 3); + Q_new = (Word16)(Q_new - 3); + ener = (Word16)(D_UTIL_dot_product12(exc, exc, L_SUBFR, &exp_ener) >> 16); + exp_ener = (Word16)(exp_ener - (Q_new << 1)); + + /* set energy of white noise to energy of excitation */ + tmp = (Word16)(D_UTIL_dot_product12(HF, HF, L_SUBFR16k, &exp) >> 16); + + if (tmp > ener) { + tmp = tmp >> 1; /* Be sure tmp < ener */ + exp = (Word16)(exp + 1); + } + + tmp = (tmp << 15) / ener; + + if (tmp > 32767) { + tmp = 32767; + } + + tmp = tmp << 16; /* result is normalized */ + exp = (Word16)(exp - exp_ener); + D_UTIL_normalised_inverse_sqrt(&tmp, &exp); + + /* L_tmp x 2, L_tmp in Q31 */ + /* tmp = 2 x sqrt(ener_exc/ener_hf) */ + if (exp >= 0) { + tmp = tmp >> (15 - exp); + } else { + tmp = tmp >> (-exp); + tmp = tmp >> 15; + } + + /* saturation */ + if (tmp > 0x7FFF) { + tmp = 0x7FFF; + } + + for (i = 0; i < L_SUBFR16k; i++) { + HF[i] = (Word16)((HF[i] * tmp) >> 15); + } + + /* find tilt of synthesis speech (tilt: 1=voiced, -1=unvoiced) */ + D_UTIL_hp400_12k8(synth, L_SUBFR, st->mem_hp400); + tmp = 0L; + + for (i = 0; i < L_SUBFR; i++) { + tmp = tmp + (synth[i] * synth[i]); + } + + tmp = (tmp << 1) + 1; + exp = D_UTIL_norm_l(tmp); + ener = (Word16)((tmp << exp) >> 16); /* ener = r[0] */ + tmp = 0L; + + for (i = 1; i < L_SUBFR; i++) { + tmp = tmp + (synth[i] * synth[i - 1]); + } + + tmp = (tmp << 1) + 1; + tmp = (tmp << exp) >> 16; /* tmp = r[1] */ + + if (tmp > 0) { + fac = ((tmp << 15) / ener); + + if (fac > 32767) { + fac = 32767; + } + } else { + fac = 0; + } + + /* modify energy of white noise according to synthesis tilt */ + gain1 = (32767 - fac); + gain2 = ((32767 - fac) * 20480) >> 15; + gain2 = (gain2 << 1); + + if (gain2 > 32767) { + gain2 = 32767; + } + + if (st->mem_vad_hist > 0) { + weight1 = 0; + weight2 = 32767; + } else { + weight1 = 32767; + weight2 = 0; + } + + tmp = (weight1 * gain1) >> 15; + tmp = tmp + ((weight2 * gain2) >> 15); + + if (tmp != 0) { + tmp = tmp + 1; + } + + if (tmp < 3277) { + tmp = 3277; /* 0.1 in Q15 */ + } + + if ((mode == MODE_24k) & (bfi == 0)) { + /* HF correction gain */ + HF_gain_ind = prms; + HF_corr_gain = D_ROM_hp_gain[HF_gain_ind]; + + /* HF gain */ + for (i = 0; i < L_SUBFR16k; i++) { + HF[i] = (Word16)(((HF[i] * HF_corr_gain) >> 15) << 1); + } + } else { + for (i = 0; i < L_SUBFR16k; i++) { + HF[i] = (Word16)((HF[i] * tmp) >> 15); + } + } + + if ((mode <= MODE_7k) & (newDTXState == SPEECH)) { + D_LPC_isf_extrapolation(HfIsf); + D_LPC_isp_a_conversion(HfIsf, HfA, 0, M16k); + D_LPC_a_weight(HfA, Ap, 29491, M16k); /* fac=0.9 */ + D_UTIL_synthesis(Ap, M16k, HF, HF, L_SUBFR16k, st->mem_syn_hf, 1); + } else { + /* synthesis of noise: 4.8kHz..5.6kHz --> 6kHz..7kHz */ + D_LPC_a_weight(Aq, Ap, 19661, M); /* fac=0.6 */ + D_UTIL_synthesis(Ap, M, HF, HF, L_SUBFR16k, st->mem_syn_hf + (M16k - M), 1); + } + + /* noise High Pass filtering (1ms of delay) */ + D_UTIL_bp_6k_7k(HF, L_SUBFR16k, st->mem_hf); + + if (mode == MODE_24k) { + /* Low Pass filtering (7 kHz) */ + D_UTIL_hp_7k(HF, L_SUBFR16k, st->mem_hf3); + } + + /* add filtered HF noise to speech synthesis */ + for (i = 0; i < L_SUBFR16k; i++) { + tmp = (synth16k[i] + HF[i]); + synth16k[i] = D_UTIL_saturate(tmp); + } + + return; +} + + +/* + * D_UTIL_preemph + * + * Parameters: + * x I/O: signal + * mu I: preemphasis factor + * lg I: vector size + * mem I/O: memory (x[-1]) + * + * Function: + * Filtering through 1 - mu z^-1 + * + * + * Returns: + * void + */ +void D_UTIL_preemph(Word16 x[], Word16 mu, Word16 lg, Word16 *mem) +{ + Word32 i, L_tmp; + Word16 temp; + + temp = x[lg - 1]; + + for (i = lg - 1; i > 0; i--) { + L_tmp = x[i] << 15; + L_tmp = L_tmp - (x[i - 1] * mu); + x[i] = (Word16)((L_tmp + 0x4000) >> 15); + } + + L_tmp = x[0] << 15; + L_tmp = L_tmp - (*mem * mu); + x[0] = (Word16)((L_tmp + 0x4000) >> 15); + *mem = temp; + + return; +} diff --git a/audio_codec/libamr/dec_util.h b/audio_codec/libamr/dec_util.h new file mode 100644 index 0000000..0d5c5bd --- a/dev/null +++ b/audio_codec/libamr/dec_util.h @@ -0,0 +1,33 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#ifndef DEC_UTIL_H +#define DEC_UTIL_H + +#include "typedef.h" +#include "dec_main.h" + +Word16 D_UTIL_random(Word16 *seed); + +Word32 D_UTIL_pow2(Word16 exponant, Word16 fraction); +Word16 D_UTIL_norm_l(Word32 L_var1); +Word16 D_UTIL_norm_s(Word16 var1); +Word32 D_UTIL_dot_product12(Word16 x[], Word16 y[], Word16 lg, Word16 *exp); +void D_UTIL_normalised_inverse_sqrt(Word32 *frac, Word16 *exp); +Word32 D_UTIL_inverse_sqrt(Word32 L_x); +void D_UTIL_log2(Word32 L_x, Word16 *exponent, Word16 *fraction); +void D_UTIL_l_extract(Word32 L_32, Word16 *hi, Word16 *lo); +Word32 D_UTIL_mpy_32_16(Word16 hi, Word16 lo, Word16 n); +Word32 D_UTIL_mpy_32(Word16 hi1, Word16 lo1, Word16 hi2, Word16 lo2); +Word16 D_UTIL_saturate(Word32 inp); +void D_UTIL_signal_up_scale(Word16 x[], Word16 lg, Word16 exp); +void D_UTIL_signal_down_scale(Word16 x[], Word16 lg, Word16 exp); +void D_UTIL_dec_synthesis(Word16 Aq[], Word16 exc[], Word16 Q_new, + Word16 synth16k[], Word16 prms, Word16 HfIsf[], + Word16 mode, Word16 newDTXState, Word16 bfi, + Decoder_State *st); +void D_UTIL_preemph(Word16 x[], Word16 mu, Word16 lg, Word16 *mem); + +#endif diff --git a/audio_codec/libamr/if_rom.c b/audio_codec/libamr/if_rom.c new file mode 100644 index 0000000..094d2dd --- a/dev/null +++ b/audio_codec/libamr/if_rom.c @@ -0,0 +1,1030 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#ifndef IF_H +#define IF_H + +#include "typedef.h" + +/* + * definition of constants + */ +#define NUM_OF_SPMODES 9 + +/* number of parameters */ +#define PRMNO_7k 18 +#define PRMNO_9k 32 +#define PRMNO_12k 36 +#define PRMNO_14k 36 +#define PRMNO_16k 36 +#define PRMNO_18k 52 +#define PRMNO_20k 52 +#define PRMNO_23k 52 +#define PRMNO_24k 56 +#define PRMNO_SID 7 +#define NB_PARM_MAX PRMNO_24k + +/* number of bits */ +#ifndef NBBITS_7k +#define NBBITS_7k 132 +#define NBBITS_9k 177 +#define NBBITS_12k 253 +#define NBBITS_14k 285 +#define NBBITS_16k 317 +#define NBBITS_18k 365 +#define NBBITS_20k 397 +#define NBBITS_23k 461 +#define NBBITS_24k 477 +#define NBBITS_SID 35 +#endif + +/* number of total bits */ +#define HEADER_SIZE 6 /* real size + 1 */ +#define T_NBBITS_7k (NBBITS_7k + HEADER_SIZE) +#define T_NBBITS_9k (NBBITS_9k + HEADER_SIZE) +#define T_NBBITS_12k (NBBITS_12k + HEADER_SIZE) +#define T_NBBITS_14k (NBBITS_14k + HEADER_SIZE) +#define T_NBBITS_16k (NBBITS_16k + HEADER_SIZE) +#define T_NBBITS_18k (NBBITS_18k + HEADER_SIZE) +#define T_NBBITS_20k (NBBITS_20k + HEADER_SIZE) +#define T_NBBITS_23k (NBBITS_23k + HEADER_SIZE) +#define T_NBBITS_24k (NBBITS_24k + HEADER_SIZE) +#define T_NBBITS_SID (NBBITS_SID + HEADER_SIZE) + +#define TX_SPEECH 0 +#define TX_SID_FIRST 1 +#define TX_SID_UPDATE 2 +#define TX_NO_DATA 3 + +#define RX_SPEECH_GOOD 0 +#define RX_SPEECH_PROBABLY_DEGRADED 1 +#define RX_SPEECH_LOST 2 +#define RX_SPEECH_BAD 3 +#define RX_SID_FIRST 4 +#define RX_SID_UPDATE 5 +#define RX_SID_BAD 6 +#define RX_NO_DATA 7 + +#ifdef ENABLE_CPU2_DECODER +CPU2_DATA_START +#endif + +/* One encoded frame (bytes) */ +/* + * 6 bytes are used both for mode 9 and 10. + * Mode 9 is used in encoder and mode 10 in IF2 + */ +#ifdef IF2 +const UWord8 block_size[16] = {18, 23, 33, 37, 41, 47, 51, 59, 61, 6, 6, 0, 0, 0, 1, 1}; +#else +const UWord8 block_size[16] = {18, 24, 33, 37, 41, 47, 51, 59, 61, 6, 6, 0, 0, 0, 1, 1}; +#endif +/* + * tables + */ + +const Word16 mode_7k[NBBITS_7k << 1] = { + 0, 0x1, 1, 0x8, 1, 0x4, 1, 0x2, + 8, 0x2, 11, 0x2, 14, 0x2, 17, 0x2, + 8, 0x1, 11, 0x1, 1, 0x1, 1, 0x10, + 6, 0x80, 6, 0x40, 6, 0x20, 6, 0x10, + 8, 0x10, 11, 0x10, 14, 0x10, 17, 0x10, + 8, 0x4, 11, 0x4, 14, 0x4, 17, 0x4, + 14, 0x1, 17, 0x1, 17, 0x8, 6, 0x8, + 6, 0x4, 11, 0x20, 17, 0x20, 1, 0x80, + 1, 0x20, 8, 0x20, 14, 0x20, 11, 0x8, + 14, 0x8, 8, 0x8, 1, 0x40, 9, 0x10, + 15, 0x10, 15, 0x8, 12, 0x10, 3, 0x10, + 3, 0x2, 3, 0x1, 9, 0x8, 12, 0x8, + 3, 0x20, 3, 0x8, 3, 0x4, 3, 0x40, + 2, 0x8, 12, 0x4, 6, 0x2, 12, 0x2, + 9, 0x4, 15, 0x4, 2, 0x4, 4, 0x40, + 4, 0x20, 4, 0x10, 4, 0x8, 4, 0x4, + 2, 0x2, 2, 0x1, 6, 0x1, 12, 0x1, + 9, 0x2, 15, 0x2, 2, 0x80, 2, 0x20, + 2, 0x40, 2, 0x10, 9, 0x1, 15, 0x1, + 4, 0x2, 4, 0x1, 5, 0x20, 5, 0x10, + 5, 0x4, 5, 0x8, 5, 0x2, 5, 0x1, + 7, 0x800, 7, 0x20, 10, 0x800, 10, 0x20, + 13, 0x800, 13, 0x20, 16, 0x800, 16, 0x20, + 7, 0x400, 10, 0x400, 13, 0x400, 16, 0x400, + 7, 0x10, 10, 0x10, 13, 0x10, 16, 0x10, + 7, 0x200, 10, 0x200, 13, 0x200, 16, 0x200, + 7, 0x8, 10, 0x8, 13, 0x8, 16, 0x8, + 7, 0x100, 10, 0x100, 13, 0x100, 16, 0x100, + 7, 0x4, 10, 0x4, 13, 0x4, 16, 0x4, + 7, 0x80, 10, 0x80, 13, 0x80, 16, 0x80, + 7, 0x2, 10, 0x2, 13, 0x2, 16, 0x2, + 7, 0x40, 10, 0x40, 13, 0x40, 16, 0x40, + 7, 0x1, 10, 0x1, 13, 0x1, 16, 0x1 +}; + +const Word16 mode_9k[NBBITS_9k << 1] = { + 0, 0x1, 1, 0x10, 1, 0x4, 1, 0x2, + 1, 0x8, 1, 0x20, 8, 0x80, 8, 0x40, + 8, 0x20, 20, 0x80, 20, 0x40, 20, 0x20, + 13, 0x20, 19, 0x20, 25, 0x20, 31, 0x20, + 13, 0x1, 19, 0x1, 25, 0x1, 31, 0x1, + 13, 0x8, 19, 0x8, 25, 0x8, 31, 0x8, + 13, 0x4, 19, 0x4, 25, 0x4, 31, 0x4, + 13, 0x2, 19, 0x2, 25, 0x2, 31, 0x2, + 13, 0x10, 19, 0x10, 25, 0x10, 31, 0x10, + 8, 0x10, 20, 0x10, 8, 0x8, 1, 0x40, + 1, 0x80, 14, 0x10, 20, 0x8, 26, 0x10, + 3, 0x8, 3, 0x2, 2, 0x10, 3, 0x20, + 3, 0x10, 3, 0x4, 2, 0x1, 4, 0x10, + 2, 0x8, 2, 0x40, 2, 0x4, 4, 0x20, + 4, 0x40, 3, 0x1, 4, 0x8, 1, 0x1, + 2, 0x2, 8, 0x4, 20, 0x4, 5, 0x20, + 14, 0x8, 26, 0x8, 2, 0x80, 5, 0x8, + 2, 0x20, 14, 0x4, 26, 0x4, 8, 0x2, + 20, 0x2, 4, 0x2, 4, 0x4, 14, 0x2, + 26, 0x2, 5, 0x4, 5, 0x2, 4, 0x1, + 7, 0x1, 5, 0x10, 5, 0x40, 8, 0x1, + 20, 0x1, 6, 0x10, 5, 0x1, 6, 0x4, + 6, 0x8, 6, 0x2, 14, 0x1, 26, 0x1, + 6, 0x1, 7, 0x10, 7, 0x8, 7, 0x4, + 7, 0x2, 9, 0x10, 10, 0x10, 11, 0x10, + 12, 0x10, 15, 0x10, 16, 0x10, 17, 0x10, + 18, 0x10, 21, 0x10, 22, 0x10, 23, 0x10, + 24, 0x10, 27, 0x10, 28, 0x10, 29, 0x10, + 30, 0x10, 9, 0x8, 15, 0x8, 21, 0x8, + 27, 0x8, 10, 0x8, 16, 0x8, 22, 0x8, + 28, 0x8, 11, 0x8, 17, 0x8, 23, 0x8, + 29, 0x8, 12, 0x8, 18, 0x8, 24, 0x8, + 30, 0x8, 9, 0x4, 15, 0x4, 21, 0x4, + 27, 0x4, 10, 0x4, 16, 0x4, 22, 0x4, + 28, 0x4, 11, 0x4, 17, 0x4, 23, 0x4, + 29, 0x4, 12, 0x4, 18, 0x4, 24, 0x4, + 30, 0x4, 9, 0x2, 15, 0x2, 21, 0x2, + 27, 0x2, 10, 0x2, 16, 0x2, 22, 0x2, + 28, 0x2, 11, 0x2, 17, 0x2, 23, 0x2, + 29, 0x2, 12, 0x2, 18, 0x2, 24, 0x2, + 30, 0x2, 9, 0x1, 15, 0x1, 21, 0x1, + 27, 0x1, 10, 0x1, 16, 0x1, 22, 0x1, + 28, 0x1, 11, 0x1, 17, 0x1, 23, 0x1, + 29, 0x1, 12, 0x1, 18, 0x1, 24, 0x1, + 30, 0x1 +}; + +const Word16 mode_12k[NBBITS_12k << 1] = { + 0, 0x1, 1, 0x10, 1, 0x4, 14, 0x40, + 21, 0x40, 28, 0x40, 35, 0x40, 1, 0x2, + 1, 0x8, 1, 0x20, 8, 0x100, 8, 0x80, + 8, 0x40, 8, 0x20, 8, 0x10, 22, 0x100, + 22, 0x80, 22, 0x40, 22, 0x20, 22, 0x10, + 14, 0x20, 21, 0x20, 28, 0x20, 35, 0x20, + 14, 0x1, 21, 0x1, 28, 0x1, 35, 0x1, + 14, 0x8, 21, 0x8, 28, 0x8, 35, 0x8, + 14, 0x4, 21, 0x4, 28, 0x4, 35, 0x4, + 15, 0x20, 29, 0x20, 14, 0x2, 21, 0x2, + 28, 0x2, 35, 0x2, 14, 0x10, 21, 0x10, + 28, 0x10, 35, 0x10, 8, 0x8, 1, 0x40, + 1, 0x80, 15, 0x10, 29, 0x10, 22, 0x8, + 3, 0x8, 3, 0x2, 2, 0x10, 3, 0x20, + 3, 0x10, 3, 0x4, 2, 0x1, 4, 0x10, + 2, 0x8, 2, 0x40, 2, 0x4, 4, 0x20, + 4, 0x40, 3, 0x1, 4, 0x8, 1, 0x1, + 2, 0x2, 8, 0x4, 22, 0x4, 5, 0x20, + 15, 0x8, 29, 0x8, 2, 0x80, 5, 0x8, + 2, 0x20, 15, 0x4, 29, 0x4, 8, 0x2, + 22, 0x2, 4, 0x2, 4, 0x4, 15, 0x2, + 29, 0x2, 5, 0x4, 5, 0x2, 4, 0x1, + 7, 0x1, 5, 0x10, 5, 0x40, 8, 0x1, + 22, 0x1, 6, 0x10, 5, 0x1, 6, 0x4, + 6, 0x8, 6, 0x2, 15, 0x1, 29, 0x1, + 6, 0x1, 7, 0x10, 7, 0x8, 7, 0x4, + 7, 0x2, 9, 0x1, 16, 0x1, 23, 0x1, + 30, 0x1, 10, 0x100, 11, 0x100, 12, 0x100, + 13, 0x100, 17, 0x100, 18, 0x100, 19, 0x100, + 20, 0x100, 24, 0x100, 25, 0x100, 26, 0x100, + 27, 0x100, 31, 0x100, 32, 0x100, 33, 0x100, + 34, 0x100, 10, 0x80, 17, 0x80, 24, 0x80, + 31, 0x80, 10, 0x8, 17, 0x8, 24, 0x8, + 31, 0x8, 11, 0x80, 18, 0x80, 25, 0x80, + 32, 0x80, 11, 0x8, 18, 0x8, 25, 0x8, + 32, 0x8, 12, 0x80, 19, 0x80, 26, 0x80, + 33, 0x80, 12, 0x8, 19, 0x8, 26, 0x8, + 33, 0x8, 13, 0x80, 20, 0x80, 27, 0x80, + 34, 0x80, 13, 0x8, 20, 0x8, 27, 0x8, + 34, 0x8, 10, 0x40, 17, 0x40, 24, 0x40, + 31, 0x40, 10, 0x4, 17, 0x4, 24, 0x4, + 31, 0x4, 11, 0x40, 18, 0x40, 25, 0x40, + 32, 0x40, 11, 0x4, 18, 0x4, 25, 0x4, + 32, 0x4, 12, 0x40, 19, 0x40, 26, 0x40, + 33, 0x40, 12, 0x4, 19, 0x4, 26, 0x4, + 33, 0x4, 13, 0x40, 20, 0x40, 27, 0x40, + 34, 0x40, 13, 0x4, 20, 0x4, 27, 0x4, + 34, 0x4, 10, 0x20, 17, 0x20, 24, 0x20, + 31, 0x20, 10, 0x2, 17, 0x2, 24, 0x2, + 31, 0x2, 11, 0x20, 18, 0x20, 25, 0x20, + 32, 0x20, 11, 0x2, 18, 0x2, 25, 0x2, + 32, 0x2, 12, 0x20, 19, 0x20, 26, 0x20, + 33, 0x20, 12, 0x2, 19, 0x2, 26, 0x2, + 33, 0x2, 13, 0x20, 20, 0x20, 27, 0x20, + 34, 0x20, 13, 0x2, 20, 0x2, 27, 0x2, + 34, 0x2, 10, 0x10, 17, 0x10, 24, 0x10, + 31, 0x10, 10, 0x1, 17, 0x1, 24, 0x1, + 31, 0x1, 11, 0x10, 18, 0x10, 25, 0x10, + 32, 0x10, 11, 0x1, 18, 0x1, 25, 0x1, + 32, 0x1, 12, 0x10, 19, 0x10, 26, 0x10, + 33, 0x10, 12, 0x1, 19, 0x1, 26, 0x1, + 33, 0x1, 13, 0x10, 20, 0x10, 27, 0x10, + 34, 0x10, 13, 0x1, 20, 0x1, 27, 0x1, + 34, 0x1 +}; + +const Word16 mode_14k[NBBITS_14k << 1] = { + 0, 0x1, 1, 0x10, 1, 0x4, 14, 0x40, + 21, 0x40, 28, 0x40, 35, 0x40, 1, 0x2, + 1, 0x8, 1, 0x20, 8, 0x100, 8, 0x80, + 8, 0x40, 8, 0x20, 8, 0x10, 22, 0x100, + 22, 0x80, 22, 0x40, 22, 0x20, 22, 0x10, + 14, 0x20, 21, 0x20, 28, 0x20, 35, 0x20, + 14, 0x1, 21, 0x1, 28, 0x1, 35, 0x1, + 14, 0x8, 21, 0x8, 28, 0x8, 35, 0x8, + 14, 0x4, 21, 0x4, 28, 0x4, 35, 0x4, + 15, 0x20, 29, 0x20, 14, 0x2, 21, 0x2, + 28, 0x2, 35, 0x2, 14, 0x10, 21, 0x10, + 28, 0x10, 35, 0x10, 8, 0x8, 1, 0x40, + 1, 0x80, 15, 0x10, 29, 0x10, 22, 0x8, + 3, 0x8, 3, 0x2, 2, 0x10, 3, 0x20, + 3, 0x10, 3, 0x4, 2, 0x1, 4, 0x10, + 2, 0x8, 2, 0x40, 2, 0x4, 4, 0x20, + 4, 0x40, 3, 0x1, 4, 0x8, 1, 0x1, + 2, 0x2, 8, 0x4, 22, 0x4, 5, 0x20, + 15, 0x8, 29, 0x8, 2, 0x80, 5, 0x8, + 2, 0x20, 15, 0x4, 29, 0x4, 8, 0x2, + 22, 0x2, 4, 0x2, 4, 0x4, 15, 0x2, + 29, 0x2, 5, 0x4, 5, 0x2, 4, 0x1, + 7, 0x1, 5, 0x10, 5, 0x40, 8, 0x1, + 22, 0x1, 6, 0x10, 5, 0x1, 6, 0x4, + 6, 0x8, 6, 0x2, 15, 0x1, 29, 0x1, + 6, 0x1, 7, 0x10, 7, 0x8, 7, 0x4, + 7, 0x2, 9, 0x1, 16, 0x1, 23, 0x1, + 30, 0x1, 10, 0x80, 17, 0x80, 24, 0x80, + 31, 0x80, 11, 0x80, 18, 0x80, 25, 0x80, + 32, 0x80, 10, 0x1000, 17, 0x1000, 24, 0x1000, + 31, 0x1000, 10, 0x40, 17, 0x40, 24, 0x40, + 31, 0x40, 11, 0x1000, 18, 0x1000, 25, 0x1000, + 32, 0x1000, 11, 0x40, 18, 0x40, 25, 0x40, + 32, 0x40, 12, 0x100, 19, 0x100, 26, 0x100, + 33, 0x100, 13, 0x100, 20, 0x100, 27, 0x100, + 34, 0x100, 12, 0x80, 19, 0x80, 26, 0x80, + 33, 0x80, 13, 0x80, 20, 0x80, 27, 0x80, + 34, 0x80, 12, 0x40, 19, 0x40, 26, 0x40, + 33, 0x40, 13, 0x40, 20, 0x40, 27, 0x40, + 34, 0x40, 12, 0x20, 19, 0x20, 26, 0x20, + 33, 0x20, 13, 0x20, 20, 0x20, 27, 0x20, + 34, 0x20, 10, 0x20, 17, 0x20, 24, 0x20, + 31, 0x20, 11, 0x20, 18, 0x20, 25, 0x20, + 32, 0x20, 10, 0x10, 17, 0x10, 24, 0x10, + 31, 0x10, 11, 0x10, 18, 0x10, 25, 0x10, + 32, 0x10, 12, 0x10, 19, 0x10, 26, 0x10, + 33, 0x10, 13, 0x10, 20, 0x10, 27, 0x10, + 34, 0x10, 10, 0x800, 17, 0x800, 24, 0x800, + 31, 0x800, 10, 0x8, 17, 0x8, 24, 0x8, + 31, 0x8, 11, 0x800, 18, 0x800, 25, 0x800, + 32, 0x800, 11, 0x8, 18, 0x8, 25, 0x8, + 32, 0x8, 12, 0x8, 19, 0x8, 26, 0x8, + 33, 0x8, 13, 0x8, 20, 0x8, 27, 0x8, + 34, 0x8, 10, 0x400, 17, 0x400, 24, 0x400, + 31, 0x400, 10, 0x4, 17, 0x4, 24, 0x4, + 31, 0x4, 11, 0x400, 18, 0x400, 25, 0x400, + 32, 0x400, 11, 0x4, 18, 0x4, 25, 0x4, + 32, 0x4, 12, 0x4, 19, 0x4, 26, 0x4, + 33, 0x4, 13, 0x4, 20, 0x4, 27, 0x4, + 34, 0x4, 10, 0x200, 17, 0x200, 24, 0x200, + 31, 0x200, 10, 0x2, 17, 0x2, 24, 0x2, + 31, 0x2, 11, 0x200, 18, 0x200, 25, 0x200, + 32, 0x200, 11, 0x2, 18, 0x2, 25, 0x2, + 32, 0x2, 12, 0x2, 19, 0x2, 26, 0x2, + 33, 0x2, 13, 0x2, 20, 0x2, 27, 0x2, + 34, 0x2, 10, 0x100, 17, 0x100, 24, 0x100, + 31, 0x100, 10, 0x1, 17, 0x1, 24, 0x1, + 31, 0x1, 11, 0x100, 18, 0x100, 25, 0x100, + 32, 0x100, 11, 0x1, 18, 0x1, 25, 0x1, + 32, 0x1, 12, 0x1, 19, 0x1, 26, 0x1, + 33, 0x1, 13, 0x1, 20, 0x1, 27, 0x1, + 34, 0x1 +}; + +const Word16 mode_16k[NBBITS_16k << 1] = { + 0, 0x1, 1, 0x10, 1, 0x4, 14, 0x40, + 21, 0x40, 28, 0x40, 35, 0x40, 1, 0x2, + 1, 0x8, 1, 0x20, 8, 0x100, 8, 0x80, + 8, 0x40, 8, 0x20, 8, 0x10, 22, 0x100, + 22, 0x80, 22, 0x40, 22, 0x20, 22, 0x10, + 14, 0x20, 21, 0x20, 28, 0x20, 35, 0x20, + 14, 0x1, 21, 0x1, 28, 0x1, 35, 0x1, + 14, 0x8, 21, 0x8, 28, 0x8, 35, 0x8, + 14, 0x4, 21, 0x4, 28, 0x4, 35, 0x4, + 15, 0x20, 29, 0x20, 14, 0x2, 21, 0x2, + 28, 0x2, 35, 0x2, 14, 0x10, 21, 0x10, + 28, 0x10, 35, 0x10, 8, 0x8, 1, 0x40, + 1, 0x80, 15, 0x10, 29, 0x10, 22, 0x8, + 3, 0x8, 3, 0x2, 2, 0x10, 3, 0x20, + 3, 0x10, 3, 0x4, 2, 0x1, 4, 0x10, + 2, 0x8, 2, 0x40, 2, 0x4, 4, 0x20, + 4, 0x40, 3, 0x1, 4, 0x8, 1, 0x1, + 2, 0x2, 8, 0x4, 22, 0x4, 5, 0x20, + 15, 0x8, 29, 0x8, 2, 0x80, 5, 0x8, + 2, 0x20, 15, 0x4, 29, 0x4, 8, 0x2, + 22, 0x2, 4, 0x2, 4, 0x4, 15, 0x2, + 29, 0x2, 5, 0x4, 5, 0x2, 4, 0x1, + 7, 0x1, 5, 0x10, 5, 0x40, 8, 0x1, + 22, 0x1, 6, 0x10, 5, 0x1, 6, 0x4, + 6, 0x8, 6, 0x2, 15, 0x1, 29, 0x1, + 6, 0x1, 7, 0x10, 7, 0x8, 7, 0x4, + 7, 0x2, 9, 0x1, 16, 0x1, 23, 0x1, + 30, 0x1, 10, 0x40, 17, 0x40, 24, 0x40, + 31, 0x40, 11, 0x40, 18, 0x40, 25, 0x40, + 32, 0x40, 12, 0x40, 19, 0x40, 26, 0x40, + 33, 0x40, 13, 0x40, 20, 0x40, 27, 0x40, + 34, 0x40, 10, 0x1000, 17, 0x1000, 24, 0x1000, + 31, 0x1000, 11, 0x1000, 18, 0x1000, 25, 0x1000, + 32, 0x1000, 12, 0x1000, 19, 0x1000, 26, 0x1000, + 33, 0x1000, 13, 0x1000, 20, 0x1000, 27, 0x1000, + 34, 0x1000, 10, 0x80, 17, 0x80, 24, 0x80, + 31, 0x80, 11, 0x80, 18, 0x80, 25, 0x80, + 32, 0x80, 12, 0x80, 19, 0x80, 26, 0x80, + 33, 0x80, 13, 0x80, 20, 0x80, 27, 0x80, + 34, 0x80, 10, 0x800, 17, 0x800, 24, 0x800, + 31, 0x800, 11, 0x800, 18, 0x800, 25, 0x800, + 32, 0x800, 12, 0x800, 19, 0x800, 26, 0x800, + 33, 0x800, 13, 0x800, 20, 0x800, 27, 0x800, + 34, 0x800, 10, 0x400, 17, 0x400, 24, 0x400, + 31, 0x400, 10, 0x20, 17, 0x20, 24, 0x20, + 31, 0x20, 10, 0x4, 17, 0x4, 24, 0x4, + 31, 0x4, 11, 0x400, 18, 0x400, 25, 0x400, + 32, 0x400, 11, 0x20, 18, 0x20, 25, 0x20, + 32, 0x20, 11, 0x4, 18, 0x4, 25, 0x4, + 32, 0x4, 12, 0x400, 19, 0x400, 26, 0x400, + 33, 0x400, 12, 0x20, 19, 0x20, 26, 0x20, + 33, 0x20, 12, 0x4, 19, 0x4, 26, 0x4, + 33, 0x4, 13, 0x400, 20, 0x400, 27, 0x400, + 34, 0x400, 13, 0x20, 20, 0x20, 27, 0x20, + 34, 0x20, 13, 0x4, 20, 0x4, 27, 0x4, + 34, 0x4, 10, 0x200, 17, 0x200, 24, 0x200, + 31, 0x200, 10, 0x10, 17, 0x10, 24, 0x10, + 31, 0x10, 10, 0x2, 17, 0x2, 24, 0x2, + 31, 0x2, 11, 0x200, 18, 0x200, 25, 0x200, + 32, 0x200, 11, 0x10, 18, 0x10, 25, 0x10, + 32, 0x10, 11, 0x2, 18, 0x2, 25, 0x2, + 32, 0x2, 12, 0x200, 19, 0x200, 26, 0x200, + 33, 0x200, 12, 0x10, 19, 0x10, 26, 0x10, + 33, 0x10, 12, 0x2, 19, 0x2, 26, 0x2, + 33, 0x2, 13, 0x200, 20, 0x200, 27, 0x200, + 34, 0x200, 13, 0x10, 20, 0x10, 27, 0x10, + 34, 0x10, 13, 0x2, 20, 0x2, 27, 0x2, + 34, 0x2, 10, 0x100, 17, 0x100, 24, 0x100, + 31, 0x100, 10, 0x8, 17, 0x8, 24, 0x8, + 31, 0x8, 10, 0x1, 17, 0x1, 24, 0x1, + 31, 0x1, 11, 0x100, 18, 0x100, 25, 0x100, + 32, 0x100, 11, 0x8, 18, 0x8, 25, 0x8, + 32, 0x8, 11, 0x1, 18, 0x1, 25, 0x1, + 32, 0x1, 12, 0x100, 19, 0x100, 26, 0x100, + 33, 0x100, 12, 0x8, 19, 0x8, 26, 0x8, + 33, 0x8, 12, 0x1, 19, 0x1, 26, 0x1, + 33, 0x1, 13, 0x100, 20, 0x100, 27, 0x100, + 34, 0x100, 13, 0x8, 20, 0x8, 27, 0x8, + 34, 0x8, 13, 0x1, 20, 0x1, 27, 0x1, + 34, 0x1 +}; + +const Word16 mode_18k[NBBITS_18k << 1] = { + 0, 0x1, 1, 0x10, 1, 0x4, 18, 0x40, + 29, 0x40, 40, 0x40, 51, 0x40, 1, 0x2, + 1, 0x8, 1, 0x20, 8, 0x100, 8, 0x80, + 8, 0x40, 8, 0x20, 8, 0x10, 30, 0x100, + 30, 0x80, 30, 0x40, 30, 0x20, 30, 0x10, + 18, 0x20, 29, 0x20, 40, 0x20, 51, 0x20, + 18, 0x1, 29, 0x1, 40, 0x1, 51, 0x1, + 18, 0x8, 29, 0x8, 40, 0x8, 51, 0x8, + 18, 0x4, 29, 0x4, 40, 0x4, 51, 0x4, + 19, 0x20, 41, 0x20, 18, 0x2, 29, 0x2, + 40, 0x2, 51, 0x2, 18, 0x10, 29, 0x10, + 40, 0x10, 51, 0x10, 8, 0x8, 1, 0x40, + 1, 0x80, 19, 0x10, 41, 0x10, 30, 0x8, + 3, 0x8, 3, 0x2, 2, 0x10, 3, 0x20, + 3, 0x10, 3, 0x4, 2, 0x1, 4, 0x10, + 2, 0x8, 2, 0x40, 2, 0x4, 4, 0x20, + 4, 0x40, 3, 0x1, 4, 0x8, 1, 0x1, + 2, 0x2, 8, 0x4, 30, 0x4, 5, 0x20, + 19, 0x8, 41, 0x8, 2, 0x80, 5, 0x8, + 2, 0x20, 19, 0x4, 41, 0x4, 8, 0x2, + 30, 0x2, 4, 0x2, 4, 0x4, 19, 0x2, + 41, 0x2, 5, 0x4, 5, 0x2, 4, 0x1, + 7, 0x1, 5, 0x10, 5, 0x40, 8, 0x1, + 30, 0x1, 6, 0x10, 5, 0x1, 6, 0x4, + 6, 0x8, 6, 0x2, 19, 0x1, 41, 0x1, + 6, 0x1, 7, 0x10, 7, 0x8, 7, 0x4, + 7, 0x2, 9, 0x1, 20, 0x1, 31, 0x1, + 42, 0x1, 28, 0x1, 45, 0x1, 21, 0x1, + 17, 0x1, 22, 0x1, 11, 0x1, 39, 0x1, + 10, 0x1, 12, 0x1, 50, 0x1, 23, 0x2, + 23, 0x1, 43, 0x1, 25, 0x1, 10, 0x2, + 33, 0x1, 44, 0x1, 13, 0x2, 32, 0x1, + 22, 0x2, 26, 0x1, 46, 0x2, 35, 0x2, + 13, 0x1, 16, 0x1, 12, 0x2, 14, 0x1, + 43, 0x2, 15, 0x1, 24, 0x1, 24, 0x2, + 21, 0x2, 34, 0x1, 44, 0x2, 46, 0x1, + 49, 0x1, 11, 0x2, 45, 0x2, 27, 0x1, + 48, 0x1, 47, 0x1, 34, 0x2, 32, 0x2, + 38, 0x1, 37, 0x1, 33, 0x2, 36, 0x1, + 50, 0x20, 35, 0x1, 26, 0x2000, 15, 0x40, + 27, 0x2000, 15, 0x20, 26, 0x40, 50, 0x40, + 17, 0x200, 47, 0x2000, 14, 0x2000, 27, 0x40, + 17, 0x20, 48, 0x40, 14, 0x40, 28, 0x40, + 16, 0x20, 27, 0x20, 16, 0x2000, 14, 0x20, + 28, 0x20, 25, 0x20, 49, 0x40, 47, 0x40, + 25, 0x2000, 39, 0x20, 14, 0x200, 48, 0x20, + 26, 0x20, 25, 0x40, 16, 0x200, 49, 0x20, + 17, 0x400, 47, 0x20, 49, 0x2000, 39, 0x40, + 14, 0x400, 17, 0x2000, 27, 0x200, 37, 0x40, + 17, 0x40, 15, 0x2000, 17, 0x80, 28, 0x200, + 37, 0x20, 38, 0x40, 27, 0x400, 14, 0x80, + 28, 0x2000, 16, 0x400, 50, 0x2000, 16, 0x40, + 48, 0x80, 15, 0x200, 49, 0x200, 48, 0x2000, + 49, 0x400, 38, 0x2000, 26, 0x200, 50, 0x200, + 25, 0x200, 15, 0x400, 39, 0x400, 36, 0x20, + 38, 0x20, 47, 0x80, 50, 0x10, 50, 0x400, + 26, 0x80, 36, 0x40, 47, 0x200, 48, 0x200, + 28, 0x400, 39, 0x200, 25, 0x400, 27, 0x80, + 39, 0x2000, 50, 0x80, 38, 0x200, 15, 0x80, + 25, 0x80, 17, 0x10, 28, 0x80, 26, 0x400, + 37, 0x2000, 38, 0x80, 49, 0x80, 47, 0x400, + 38, 0x400, 15, 0x10, 36, 0x2000, 16, 0x80, + 49, 0x10, 36, 0x80, 36, 0x200, 36, 0x400, + 39, 0x80, 37, 0x200, 37, 0x400, 48, 0x400, + 36, 0x10, 47, 0x10, 16, 0x10, 14, 0x10, + 27, 0x10, 39, 0x10, 14, 0x1000, 28, 0x10, + 25, 0x10, 48, 0x10, 27, 0x1000, 37, 0x10, + 37, 0x80, 38, 0x10, 17, 0x8, 26, 0x1000, + 26, 0x10, 50, 0x8, 14, 0x8, 25, 0x1000, + 17, 0x1000, 47, 0x8, 16, 0x1000, 28, 0x1000, + 47, 0x1000, 15, 0x1000, 36, 0x8, 15, 0x8, + 28, 0x8, 17, 0x100, 49, 0x8, 27, 0x8, + 50, 0x1000, 48, 0x1000, 48, 0x8, 39, 0x8, + 37, 0x1000, 26, 0x8, 17, 0x4, 47, 0x4, + 14, 0x100, 50, 0x4, 48, 0x4, 38, 0x1000, + 28, 0x100, 27, 0x100, 39, 0x100, 16, 0x4, + 16, 0x100, 25, 0x8, 16, 0x8, 15, 0x4, + 14, 0x4, 39, 0x1000, 39, 0x4, 37, 0x8, + 36, 0x1000, 38, 0x8, 27, 0x4, 15, 0x100, + 25, 0x4, 36, 0x4, 49, 0x100, 26, 0x4, + 49, 0x1000, 28, 0x4, 49, 0x4, 37, 0x4, + 26, 0x100, 47, 0x100, 25, 0x100, 50, 0x100, + 38, 0x4, 48, 0x100, 38, 0x100, 37, 0x100, + 36, 0x100, 50, 0x2, 26, 0x800, 17, 0x2, + 14, 0x800, 28, 0x800, 27, 0x800, 25, 0x800, + 37, 0x800, 14, 0x2, 47, 0x800, 49, 0x800, + 47, 0x2, 49, 0x2, 17, 0x800, 38, 0x800, + 15, 0x800, 39, 0x2, 16, 0x2, 15, 0x2, + 50, 0x800, 48, 0x800, 27, 0x2, 37, 0x2, + 28, 0x2, 48, 0x2, 16, 0x800, 25, 0x2, + 26, 0x2, 39, 0x800, 36, 0x800, 36, 0x2, + 38, 0x2 +}; + +const Word16 mode_20k[NBBITS_20k << 1] = { + 0, 0x1, 1, 0x10, 1, 0x4, 18, 0x40, + 29, 0x40, 40, 0x40, 51, 0x40, 1, 0x2, + 1, 0x8, 1, 0x20, 8, 0x100, 8, 0x80, + 8, 0x40, 8, 0x20, 8, 0x10, 30, 0x100, + 30, 0x80, 30, 0x40, 30, 0x20, 30, 0x10, + 18, 0x20, 29, 0x20, 40, 0x20, 51, 0x20, + 18, 0x1, 29, 0x1, 40, 0x1, 51, 0x1, + 18, 0x8, 29, 0x8, 40, 0x8, 51, 0x8, + 18, 0x4, 29, 0x4, 40, 0x4, 51, 0x4, + 19, 0x20, 41, 0x20, 18, 0x2, 29, 0x2, + 40, 0x2, 51, 0x2, 18, 0x10, 29, 0x10, + 40, 0x10, 51, 0x10, 8, 0x8, 1, 0x40, + 1, 0x80, 19, 0x10, 41, 0x10, 30, 0x8, + 3, 0x8, 3, 0x2, 2, 0x10, 3, 0x20, + 3, 0x10, 3, 0x4, 2, 0x1, 4, 0x10, + 2, 0x8, 2, 0x40, 2, 0x4, 4, 0x20, + 4, 0x40, 3, 0x1, 4, 0x8, 1, 0x1, + 2, 0x2, 8, 0x4, 30, 0x4, 5, 0x20, + 19, 0x8, 41, 0x8, 2, 0x80, 5, 0x8, + 2, 0x20, 19, 0x4, 41, 0x4, 8, 0x2, + 30, 0x2, 4, 0x2, 4, 0x4, 19, 0x2, + 41, 0x2, 5, 0x4, 5, 0x2, 4, 0x1, + 7, 0x1, 5, 0x10, 5, 0x40, 8, 0x1, + 30, 0x1, 6, 0x10, 5, 0x1, 6, 0x4, + 6, 0x8, 6, 0x2, 19, 0x1, 41, 0x1, + 6, 0x1, 7, 0x10, 7, 0x8, 7, 0x4, + 7, 0x2, 9, 0x1, 20, 0x1, 31, 0x1, + 42, 0x1, 10, 0x8, 11, 0x8, 15, 0x100, + 46, 0x2, 14, 0x100, 43, 0x8, 21, 0x8, + 48, 0x100, 22, 0x8, 44, 0x8, 24, 0x2, + 45, 0x2, 26, 0x100, 23, 0x2, 35, 0x2, + 12, 0x2, 25, 0x100, 36, 0x100, 22, 0x200, + 47, 0x100, 10, 0x200, 33, 0x8, 32, 0x8, + 13, 0x2, 34, 0x2, 24, 0x1, 11, 0x200, + 13, 0x1, 28, 0x2000, 16, 0x2000, 37, 0x100, + 21, 0x200, 23, 0x1, 46, 0x1, 35, 0x1, + 45, 0x1, 27, 0x2000, 50, 0x2000, 43, 0x200, + 12, 0x1, 44, 0x200, 49, 0x2000, 17, 0x2000, + 32, 0x200, 33, 0x200, 34, 0x1, 39, 0x2000, + 38, 0x2000, 10, 0x10, 10, 0x100, 22, 0x10, + 11, 0x100, 15, 0x80, 26, 0x80, 43, 0x100, + 21, 0x10, 25, 0x80, 22, 0x100, 11, 0x10, + 50, 0x10, 44, 0x100, 44, 0x10, 47, 0x80, + 16, 0x1000, 14, 0x80, 21, 0x100, 32, 0x100, + 43, 0x10, 17, 0x10, 33, 0x100, 27, 0x100, + 48, 0x80, 32, 0x10, 10, 0x4, 33, 0x10, + 28, 0x1000, 28, 0x20, 21, 0x4, 17, 0x1000, + 44, 0x4, 37, 0x80, 32, 0x4, 39, 0x10, + 27, 0x1000, 27, 0x10, 39, 0x20, 15, 0x40, + 27, 0x20, 36, 0x80, 17, 0x20, 49, 0x1000, + 50, 0x20, 16, 0x20, 43, 0x4, 49, 0x10, + 25, 0x40, 49, 0x20, 14, 0x40, 16, 0x10, + 39, 0x100, 26, 0x40, 11, 0x4, 28, 0x10, + 27, 0x200, 16, 0x100, 39, 0x1000, 28, 0x200, + 49, 0x100, 50, 0x100, 50, 0x1000, 28, 0x100, + 48, 0x40, 17, 0x40, 17, 0x200, 17, 0x100, + 50, 0x40, 22, 0x4, 16, 0x200, 16, 0x40, + 38, 0x1000, 50, 0x200, 39, 0x200, 38, 0x20, + 38, 0x10, 47, 0x40, 28, 0x40, 37, 0x40, + 33, 0x4, 49, 0x200, 50, 0x8, 39, 0x8, + 39, 0x40, 36, 0x40, 17, 0x8, 49, 0x40, + 27, 0x8, 15, 0x8, 27, 0x40, 38, 0x8, + 28, 0x8, 38, 0x100, 38, 0x200, 26, 0x8, + 49, 0x8, 14, 0x8, 22, 0x80, 38, 0x40, + 10, 0x80, 47, 0x8, 43, 0x1, 26, 0x4, + 11, 0x1, 16, 0x8, 44, 0x80, 28, 0x800, + 47, 0x4, 11, 0x80, 15, 0x4, 21, 0x1, + 21, 0x80, 27, 0x800, 10, 0x1, 43, 0x80, + 44, 0x1, 25, 0x8, 48, 0x8, 33, 0x1, + 27, 0x4, 25, 0x4, 36, 0x4, 36, 0x8, + 17, 0x4, 32, 0x1, 27, 0x80, 14, 0x4, + 50, 0x2, 17, 0x800, 15, 0x20, 50, 0x4, + 16, 0x4, 48, 0x4, 38, 0x4, 33, 0x80, + 16, 0x800, 37, 0x8, 39, 0x4, 25, 0x20, + 22, 0x1, 32, 0x80, 37, 0x4, 17, 0x2, + 49, 0x4, 26, 0x20, 39, 0x800, 14, 0x20, + 50, 0x800, 39, 0x2, 17, 0x80, 16, 0x80, + 49, 0x800, 47, 0x20, 48, 0x20, 28, 0x4, + 38, 0x800, 28, 0x2, 10, 0x2, 50, 0x80, + 38, 0x2, 28, 0x80, 16, 0x2, 25, 0x2, + 15, 0x2, 39, 0x80, 49, 0x2, 49, 0x80, + 27, 0x2, 36, 0x20, 26, 0x2, 44, 0x2, + 44, 0x40, 22, 0x2, 37, 0x20, 36, 0x2, + 33, 0x2, 32, 0x2, 11, 0x2, 47, 0x2, + 21, 0x2, 10, 0x40, 14, 0x2, 43, 0x40, + 22, 0x40, 37, 0x2, 48, 0x2, 43, 0x2, + 11, 0x40, 38, 0x80, 25, 0x200, 21, 0x40, + 48, 0x200, 14, 0x200, 15, 0x200, 50, 0x1, + 37, 0x200, 33, 0x40, 26, 0x200, 32, 0x40, + 27, 0x400, 36, 0x200, 28, 0x400, 47, 0x200, + 17, 0x1, 17, 0x400, 39, 0x1, 16, 0x400, + 50, 0x400, 26, 0x10, 16, 0x1, 49, 0x1, + 27, 0x1, 15, 0x10, 39, 0x400, 25, 0x10, + 28, 0x1, 49, 0x400, 38, 0x400, 14, 0x10, + 38, 0x1, 47, 0x1, 47, 0x10, 48, 0x10, + 36, 0x10, 26, 0x1, 25, 0x1, 37, 0x10, + 14, 0x1, 15, 0x1, 21, 0x20, 43, 0x20, + 37, 0x1, 48, 0x1, 11, 0x20, 44, 0x20, + 10, 0x20, 36, 0x1, 22, 0x20, 33, 0x20, + 32, 0x20 +}; + +const Word16 mode_23k[NBBITS_23k << 1] = { + 0, 0x1, 1, 0x10, 1, 0x4, 18, 0x40, + 29, 0x40, 40, 0x40, 51, 0x40, 1, 0x2, + 1, 0x8, 1, 0x20, 8, 0x100, 8, 0x80, + 8, 0x40, 8, 0x20, 8, 0x10, 30, 0x100, + 30, 0x80, 30, 0x40, 30, 0x20, 30, 0x10, + 18, 0x20, 29, 0x20, 40, 0x20, 51, 0x20, + 18, 0x1, 29, 0x1, 40, 0x1, 51, 0x1, + 18, 0x8, 29, 0x8, 40, 0x8, 51, 0x8, + 18, 0x4, 29, 0x4, 40, 0x4, 51, 0x4, + 19, 0x20, 41, 0x20, 18, 0x2, 29, 0x2, + 40, 0x2, 51, 0x2, 18, 0x10, 29, 0x10, + 40, 0x10, 51, 0x10, 8, 0x8, 1, 0x40, + 1, 0x80, 19, 0x10, 41, 0x10, 30, 0x8, + 3, 0x8, 3, 0x2, 2, 0x10, 3, 0x20, + 3, 0x10, 3, 0x4, 2, 0x1, 4, 0x10, + 2, 0x8, 2, 0x40, 2, 0x4, 4, 0x20, + 4, 0x40, 3, 0x1, 4, 0x8, 1, 0x1, + 2, 0x2, 8, 0x4, 30, 0x4, 5, 0x20, + 19, 0x8, 41, 0x8, 2, 0x80, 5, 0x8, + 2, 0x20, 19, 0x4, 41, 0x4, 8, 0x2, + 30, 0x2, 4, 0x2, 4, 0x4, 19, 0x2, + 41, 0x2, 5, 0x4, 5, 0x2, 4, 0x1, + 7, 0x1, 5, 0x10, 5, 0x40, 8, 0x1, + 30, 0x1, 6, 0x10, 5, 0x1, 6, 0x4, + 6, 0x8, 6, 0x2, 19, 0x1, 41, 0x1, + 6, 0x1, 7, 0x10, 7, 0x8, 7, 0x4, + 7, 0x2, 9, 0x1, 20, 0x1, 31, 0x1, + 42, 0x1, 23, 0x400, 24, 0x400, 22, 0x400, + 12, 0x400, 10, 0x400, 46, 0x400, 13, 0x400, + 21, 0x400, 35, 0x400, 44, 0x400, 43, 0x400, + 33, 0x400, 11, 0x400, 23, 0x100, 45, 0x400, + 34, 0x400, 24, 0x100, 35, 0x100, 13, 0x100, + 11, 0x100, 23, 0x200, 46, 0x100, 22, 0x100, + 10, 0x100, 13, 0x200, 10, 0x200, 46, 0x200, + 43, 0x100, 21, 0x100, 12, 0x100, 21, 0x200, + 32, 0x400, 22, 0x200, 12, 0x200, 45, 0x200, + 45, 0x100, 44, 0x200, 44, 0x100, 24, 0x200, + 35, 0x200, 11, 0x200, 32, 0x100, 32, 0x200, + 43, 0x200, 33, 0x100, 34, 0x100, 33, 0x200, + 34, 0x200, 23, 0x80, 10, 0x80, 24, 0x80, + 12, 0x80, 13, 0x80, 11, 0x80, 43, 0x80, + 46, 0x80, 22, 0x80, 21, 0x80, 50, 0x200, + 35, 0x80, 45, 0x80, 13, 0x4, 11, 0x4, + 33, 0x80, 10, 0x40, 32, 0x80, 43, 0x4, + 17, 0x200, 47, 0x200, 21, 0x4, 14, 0x200, + 44, 0x80, 24, 0x4, 12, 0x4, 22, 0x4, + 10, 0x4, 13, 0x40, 25, 0x200, 16, 0x200, + 11, 0x40, 39, 0x200, 23, 0x4, 35, 0x4, + 44, 0x40, 45, 0x4, 49, 0x200, 35, 0x40, + 27, 0x200, 46, 0x4, 34, 0x80, 28, 0x200, + 15, 0x200, 26, 0x200, 23, 0x40, 16, 0x20, + 36, 0x200, 46, 0x40, 15, 0x40, 37, 0x200, + 24, 0x40, 38, 0x200, 43, 0x40, 48, 0x200, + 22, 0x40, 10, 0x8, 45, 0x40, 12, 0x40, + 48, 0x40, 26, 0x20, 17, 0x400, 23, 0x8, + 49, 0x400, 15, 0x400, 48, 0x10, 17, 0x20, + 33, 0x40, 21, 0x40, 49, 0x40, 25, 0x20, + 50, 0x40, 26, 0x40, 28, 0x400, 27, 0x40, + 13, 0x8, 34, 0x4, 44, 0x4, 27, 0x20, + 21, 0x8, 32, 0x40, 22, 0x8, 50, 0x400, + 27, 0x400, 48, 0x20, 14, 0x400, 32, 0x4, + 17, 0x40, 16, 0x40, 34, 0x40, 15, 0x20, + 39, 0x10, 24, 0x8, 47, 0x40, 13, 0x20, + 17, 0x10, 28, 0x40, 47, 0x400, 45, 0x8, + 25, 0x10, 16, 0x10, 33, 0x4, 39, 0x20, + 14, 0x40, 28, 0x20, 49, 0x20, 12, 0x8, + 36, 0x400, 50, 0x20, 25, 0x400, 39, 0x40, + 23, 0x20, 14, 0x10, 26, 0x10, 47, 0x20, + 38, 0x40, 37, 0x400, 14, 0x20, 36, 0x20, + 15, 0x10, 16, 0x400, 11, 0x20, 25, 0x40, + 48, 0x400, 26, 0x400, 44, 0x8, 43, 0x8, + 49, 0x10, 10, 0x20, 43, 0x20, 39, 0x400, + 11, 0x8, 50, 0x10, 21, 0x2, 37, 0x40, + 21, 0x20, 28, 0x10, 47, 0x10, 37, 0x20, + 35, 0x8, 24, 0x20, 38, 0x20, 46, 0x20, + 32, 0x8, 10, 0x10, 23, 0x1, 37, 0x10, + 13, 0x10, 21, 0x1, 27, 0x10, 33, 0x20, + 36, 0x40, 23, 0x10, 46, 0x8, 12, 0x20, + 24, 0x2, 13, 0x1, 10, 0x1, 44, 0x20, + 22, 0x20, 38, 0x10, 24, 0x1, 38, 0x400, + 32, 0x20, 45, 0x20, 43, 0x1, 44, 0x10, + 34, 0x8, 35, 0x1, 46, 0x1, 22, 0x2, + 33, 0x1, 36, 0x10, 35, 0x20, 43, 0x10, + 45, 0x1, 23, 0x2, 22, 0x1, 12, 0x1, + 13, 0x2, 14, 0x100, 27, 0x8, 11, 0x1, + 12, 0x2, 11, 0x2, 17, 0x100, 44, 0x1, + 21, 0x10, 24, 0x10, 45, 0x10, 16, 0x100, + 22, 0x10, 48, 0x8, 11, 0x10, 43, 0x2, + 28, 0x100, 27, 0x100, 10, 0x2, 32, 0x2, + 33, 0x8, 17, 0x8, 35, 0x2, 47, 0x100, + 15, 0x100, 12, 0x10, 16, 0x8, 39, 0x8, + 15, 0x8, 34, 0x20, 34, 0x1, 44, 0x2, + 27, 0x4, 45, 0x2, 35, 0x10, 46, 0x10, + 33, 0x2, 50, 0x100, 48, 0x100, 26, 0x8, + 25, 0x8, 25, 0x100, 50, 0x8, 14, 0x8, + 32, 0x1, 49, 0x100, 26, 0x100, 39, 0x100, + 38, 0x8, 17, 0x4, 28, 0x8, 37, 0x100, + 46, 0x2, 50, 0x4, 36, 0x100, 34, 0x10, + 15, 0x4, 14, 0x4, 33, 0x10, 49, 0x8, + 32, 0x10, 48, 0x4, 38, 0x100, 34, 0x2, + 47, 0x4, 25, 0x4, 36, 0x8, 26, 0x4, + 37, 0x8, 16, 0x4, 48, 0x2, 28, 0x4, + 37, 0x4, 39, 0x4, 47, 0x8, 36, 0x4, + 17, 0x2, 38, 0x4, 49, 0x4, 27, 0x2, + 14, 0x2, 25, 0x2, 50, 0x2, 28, 0x2, + 15, 0x2, 47, 0x2, 39, 0x2, 26, 0x2, + 16, 0x2, 49, 0x2, 37, 0x2, 47, 0x80, + 36, 0x2, 38, 0x2, 16, 0x80, 14, 0x80, + 17, 0x80, 50, 0x80, 39, 0x80, 28, 0x80, + 49, 0x80, 15, 0x80, 38, 0x80, 25, 0x80, + 37, 0x80, 26, 0x80, 27, 0x80, 48, 0x80, + 50, 0x1, 36, 0x80, 39, 0x1, 14, 0x1, + 49, 0x1, 26, 0x1, 25, 0x1, 15, 0x1, + 48, 0x1, 38, 0x1, 27, 0x1, 28, 0x1, + 16, 0x1, 17, 0x1, 47, 0x1, 37, 0x1, + 36, 0x1 +}; + +const Word16 mode_24k[NBBITS_24k << 1] = { + 0, 0x1, 1, 0x10, 1, 0x4, 18, 0x40, + 30, 0x40, 42, 0x40, 54, 0x40, 1, 0x2, + 1, 0x8, 1, 0x20, 8, 0x100, 8, 0x80, + 8, 0x40, 8, 0x20, 8, 0x10, 32, 0x100, + 32, 0x80, 32, 0x40, 32, 0x20, 32, 0x10, + 18, 0x20, 30, 0x20, 42, 0x20, 54, 0x20, + 18, 0x1, 30, 0x1, 42, 0x1, 54, 0x1, + 18, 0x8, 30, 0x8, 42, 0x8, 54, 0x8, + 18, 0x4, 30, 0x4, 42, 0x4, 54, 0x4, + 20, 0x20, 44, 0x20, 18, 0x2, 30, 0x2, + 42, 0x2, 54, 0x2, 18, 0x10, 30, 0x10, + 42, 0x10, 54, 0x10, 8, 0x8, 1, 0x40, + 1, 0x80, 20, 0x10, 44, 0x10, 32, 0x8, + 3, 0x8, 3, 0x2, 2, 0x10, 3, 0x20, + 3, 0x10, 3, 0x4, 2, 0x1, 4, 0x10, + 2, 0x8, 2, 0x40, 2, 0x4, 4, 0x20, + 4, 0x40, 3, 0x1, 4, 0x8, 1, 0x1, + 2, 0x2, 8, 0x4, 32, 0x4, 5, 0x20, + 19, 0x8, 19, 0x4, 19, 0x2, 19, 0x1, + 31, 0x8, 31, 0x4, 31, 0x2, 31, 0x1, + 43, 0x8, 43, 0x4, 43, 0x2, 43, 0x1, + 55, 0x8, 55, 0x4, 55, 0x2, 55, 0x1, + 20, 0x8, 44, 0x8, 2, 0x80, 5, 0x8, + 2, 0x20, 20, 0x4, 44, 0x4, 8, 0x2, + 32, 0x2, 4, 0x2, 4, 0x4, 20, 0x2, + 44, 0x2, 5, 0x4, 5, 0x2, 4, 0x1, + 7, 0x1, 5, 0x10, 5, 0x40, 8, 0x1, + 32, 0x1, 6, 0x10, 5, 0x1, 6, 0x4, + 6, 0x8, 6, 0x2, 20, 0x1, 44, 0x1, + 6, 0x1, 7, 0x10, 7, 0x8, 7, 0x4, + 7, 0x2, 9, 0x1, 21, 0x1, 33, 0x1, + 45, 0x1, 24, 0x400, 25, 0x400, 23, 0x400, + 12, 0x400, 10, 0x400, 49, 0x400, 13, 0x400, + 22, 0x400, 37, 0x400, 47, 0x400, 46, 0x400, + 35, 0x400, 11, 0x400, 24, 0x100, 48, 0x400, + 36, 0x400, 25, 0x100, 37, 0x100, 13, 0x100, + 11, 0x100, 24, 0x200, 49, 0x100, 23, 0x100, + 10, 0x100, 13, 0x200, 10, 0x200, 49, 0x200, + 46, 0x100, 22, 0x100, 12, 0x100, 22, 0x200, + 34, 0x400, 23, 0x200, 12, 0x200, 48, 0x200, + 48, 0x100, 47, 0x200, 47, 0x100, 25, 0x200, + 37, 0x200, 11, 0x200, 34, 0x100, 34, 0x200, + 46, 0x200, 35, 0x100, 36, 0x100, 35, 0x200, + 36, 0x200, 24, 0x80, 10, 0x80, 25, 0x80, + 12, 0x80, 13, 0x80, 11, 0x80, 46, 0x80, + 49, 0x80, 23, 0x80, 22, 0x80, 53, 0x200, + 37, 0x80, 48, 0x80, 13, 0x4, 11, 0x4, + 35, 0x80, 10, 0x40, 34, 0x80, 46, 0x4, + 17, 0x200, 50, 0x200, 22, 0x4, 14, 0x200, + 47, 0x80, 25, 0x4, 12, 0x4, 23, 0x4, + 10, 0x4, 13, 0x40, 26, 0x200, 16, 0x200, + 11, 0x40, 41, 0x200, 24, 0x4, 37, 0x4, + 47, 0x40, 48, 0x4, 52, 0x200, 37, 0x40, + 28, 0x200, 49, 0x4, 36, 0x80, 29, 0x200, + 15, 0x200, 27, 0x200, 24, 0x40, 16, 0x20, + 38, 0x200, 49, 0x40, 15, 0x40, 39, 0x200, + 25, 0x40, 40, 0x200, 46, 0x40, 51, 0x200, + 23, 0x40, 10, 0x8, 48, 0x40, 12, 0x40, + 51, 0x40, 27, 0x20, 17, 0x400, 24, 0x8, + 52, 0x400, 15, 0x400, 51, 0x10, 17, 0x20, + 35, 0x40, 22, 0x40, 52, 0x40, 26, 0x20, + 53, 0x40, 27, 0x40, 29, 0x400, 28, 0x40, + 13, 0x8, 36, 0x4, 47, 0x4, 28, 0x20, + 22, 0x8, 34, 0x40, 23, 0x8, 53, 0x400, + 28, 0x400, 51, 0x20, 14, 0x400, 34, 0x4, + 17, 0x40, 16, 0x40, 36, 0x40, 15, 0x20, + 41, 0x10, 25, 0x8, 50, 0x40, 13, 0x20, + 17, 0x10, 29, 0x40, 50, 0x400, 48, 0x8, + 26, 0x10, 16, 0x10, 35, 0x4, 41, 0x20, + 14, 0x40, 29, 0x20, 52, 0x20, 12, 0x8, + 38, 0x400, 53, 0x20, 26, 0x400, 41, 0x40, + 24, 0x20, 14, 0x10, 27, 0x10, 50, 0x20, + 40, 0x40, 39, 0x400, 14, 0x20, 38, 0x20, + 15, 0x10, 16, 0x400, 11, 0x20, 26, 0x40, + 51, 0x400, 27, 0x400, 47, 0x8, 46, 0x8, + 52, 0x10, 10, 0x20, 46, 0x20, 41, 0x400, + 11, 0x8, 53, 0x10, 22, 0x2, 39, 0x40, + 22, 0x20, 29, 0x10, 50, 0x10, 39, 0x20, + 37, 0x8, 25, 0x20, 40, 0x20, 49, 0x20, + 34, 0x8, 10, 0x10, 24, 0x1, 39, 0x10, + 13, 0x10, 22, 0x1, 28, 0x10, 35, 0x20, + 38, 0x40, 24, 0x10, 49, 0x8, 12, 0x20, + 25, 0x2, 13, 0x1, 10, 0x1, 47, 0x20, + 23, 0x20, 40, 0x10, 25, 0x1, 40, 0x400, + 34, 0x20, 48, 0x20, 46, 0x1, 47, 0x10, + 36, 0x8, 37, 0x1, 49, 0x1, 23, 0x2, + 35, 0x1, 38, 0x10, 37, 0x20, 46, 0x10, + 48, 0x1, 24, 0x2, 23, 0x1, 12, 0x1, + 13, 0x2, 14, 0x100, 28, 0x8, 11, 0x1, + 12, 0x2, 11, 0x2, 17, 0x100, 47, 0x1, + 22, 0x10, 25, 0x10, 48, 0x10, 16, 0x100, + 23, 0x10, 51, 0x8, 11, 0x10, 46, 0x2, + 29, 0x100, 28, 0x100, 10, 0x2, 34, 0x2, + 35, 0x8, 17, 0x8, 37, 0x2, 50, 0x100, + 15, 0x100, 12, 0x10, 16, 0x8, 41, 0x8, + 15, 0x8, 36, 0x20, 36, 0x1, 47, 0x2, + 28, 0x4, 48, 0x2, 37, 0x10, 49, 0x10, + 35, 0x2, 53, 0x100, 51, 0x100, 27, 0x8, + 26, 0x8, 26, 0x100, 53, 0x8, 14, 0x8, + 34, 0x1, 52, 0x100, 27, 0x100, 41, 0x100, + 40, 0x8, 17, 0x4, 29, 0x8, 39, 0x100, + 49, 0x2, 53, 0x4, 38, 0x100, 36, 0x10, + 15, 0x4, 14, 0x4, 35, 0x10, 52, 0x8, + 34, 0x10, 51, 0x4, 40, 0x100, 36, 0x2, + 50, 0x4, 26, 0x4, 38, 0x8, 27, 0x4, + 39, 0x8, 16, 0x4, 51, 0x2, 29, 0x4, + 39, 0x4, 41, 0x4, 50, 0x8, 38, 0x4, + 17, 0x2, 40, 0x4, 52, 0x4, 28, 0x2, + 14, 0x2, 26, 0x2, 53, 0x2, 29, 0x2, + 15, 0x2, 50, 0x2, 41, 0x2, 27, 0x2, + 16, 0x2, 52, 0x2, 39, 0x2, 50, 0x80, + 38, 0x2, 40, 0x2, 16, 0x80, 14, 0x80, + 17, 0x80, 53, 0x80, 41, 0x80, 29, 0x80, + 52, 0x80, 15, 0x80, 40, 0x80, 26, 0x80, + 39, 0x80, 27, 0x80, 28, 0x80, 51, 0x80, + 53, 0x1, 38, 0x80, 41, 0x1, 14, 0x1, + 52, 0x1, 27, 0x1, 26, 0x1, 15, 0x1, + 51, 0x1, 40, 0x1, 28, 0x1, 29, 0x1, + 16, 0x1, 17, 0x1, 50, 0x1, 39, 0x1, + 38, 0x1 +}; + +const Word16 mode_DTX[NBBITS_SID << 1] = { + 0, 0x20, 0, 0x10, 0, 0x8, 0, 0x4, + 0, 0x2, 0, 0x1, 1, 0x20, 1, 0x10, + 1, 0x8, 1, 0x4, 1, 0x2, 1, 0x1, + 2, 0x20, 2, 0x10, 2, 0x8, 2, 0x4, + 2, 0x2, 2, 0x1, 3, 0x10, 3, 0x8, + 3, 0x4, 3, 0x2, 3, 0x1, 4, 0x10, + 4, 0x8, 4, 0x4, 4, 0x2, 4, 0x1, + 5, 0x20, 5, 0x10, 5, 0x8, 5, 0x4, + 5, 0x2, 5, 0x1, 6, 0x1 +}; + +const Word16 nb_of_param[NUM_OF_SPMODES] = { + PRMNO_7k, PRMNO_9k, PRMNO_12k, + PRMNO_14k, PRMNO_16k, PRMNO_18k, + PRMNO_20k, PRMNO_23k, PRMNO_24k +}; + +const Word16 dfh_M7k[PRMNO_7k] = { + 0, 49, 131, + 84, 5, 50, + 29, 2015, 8, + 0, 2061, 8, + 1, 3560, 8, + 0, 2981, 8 +}; + +const Word16 dfh_M9k[PRMNO_9k] = { + 0, 49, 131, + 55, 49, 38, + 26, 29, 29, + 3, 15, 7, + 15, 8, 16, + 13, 7, 17, + 16, 8, 0, + 16, 20, 16, + 27, 8, 23, + 0, 27, 0, + 27, 8 +}; + +const Word16 dfh_M12k[PRMNO_12k] = { + 0, 49, 131, + 55, 49, 38, + 26, 29, 58, + 1, 7, 63, + 127, 15, 70, + 37, 1, 209, + 210, 224, 96, + 31, 7, 1, + 256, 260, 271, + 443, 31, 47, + 0, 400, 238, + 436, 347, 31 +}; + +const Word16 dfh_M14k[PRMNO_14k] = { + 0, 49, 131, + 55, 49, 38, + 26, 29, 58, + 1, 3847, 3845, + 63, 127, 70, + 34, 0, 3128, + 4517, 192, 96, + 0, 2, 1, + 4160, 8036, 267, + 443, 31, 46, + 0, 3840, 7091, + 432, 395, 31 +}; + +const Word16 dfh_M16k[PRMNO_16k] = { + 0, 49, 131, + 55, 49, 38, + 26, 29, 58, + 1, 3847, 3845, + 3847, 3843, 70, + 31, 0, 3648, + 4764, 824, 2864, + 0, 6, 1, + 4160, 5220, 4319, + 7131, 31, 47, + 0, 112, 3764, + 219, 211, 31 +}; + +const Word16 dfh_M18k[PRMNO_18k] = { + 0, 49, 131, + 55, 49, 38, + 26, 29, 58, + 1, 3, 2, + 3, 2, 7223, + 703, 7223, 703, + 70, 0, 1, + 3, 2, 2, + 3, 9475, 9483, + 3090, 8737, 0, + 0, 1, 0, + 0, 2, 0, + 4112, 4400, 8415, + 14047, 31, 38, + 0, 2, 1, + 3, 1, 91, + 426, 13545, 12955, + 0 +}; + +const Word16 dfh_M20k[PRMNO_20k] = { + 0, 49, 131, + 55, 49, 38, + 26, 29, 58, + 1, 161, 759, + 3, 2, 127, + 516, 6167, 447, + 70, 11, 1, + 264, 641, 2, + 3, 123, 562, + 8347, 4354, 0, + 1, 1, 264, + 408, 3, 0, + 256, 308, 9487, + 14047, 31, 46, + 0, 320, 885, + 2, 2, 464, + 439, 11347, 12739, + 0 +}; + +const Word16 dfh_M23k[PRMNO_23k] = { + 0, 49, 131, + 55, 49, 38, + 26, 29, 58, + 1, 1154, 1729, + 1154, 1761, 447, + 1519, 959, 495, + 70, 27, 1, + 1800, 1253, 665, + 1960, 546, 164, + 1043, 335, 0, + 28, 1, 580, + 196, 1187, 383, + 1031, 1052, 359, + 1531, 31, 45, + 1, 1024, 893, + 1272, 1920, 101, + 876, 203, 1119, + 31 +}; + +const Word16 dfh_M24k[PRMNO_24k] = { + 0, 49, 131, + 55, 49, 38, + 26, 29, 58, + 1, 1729, 1154, + 1761, 1154, 1519, + 959, 495, 447, + 70, 3, 42, + 1, 580, 1436, + 1362, 1250, 901, + 714, 24, 45, + 0, 0, 0, + 1, 68, 708, + 1212, 383, 1048, + 1611, 1756, 1467, + 31, 1, 23, + 0, 1536, 1460, + 861, 1554, 410, + 1368, 1008, 594, + 31, 0 +}; + +/* + * overall table with the parameters of the + * decoder homing frames for all modes + */ + +const Word16 *dhf[10] = { + dfh_M7k, + dfh_M9k, + dfh_M12k, + dfh_M14k, + dfh_M16k, + dfh_M18k, + dfh_M20k, + dfh_M23k, + dfh_M24k, + dfh_M24k +}; + +#ifdef ENABLE_CPU2_DECODER +CPU2_DATA_END +#endif + +#endif diff --git a/audio_codec/libamr/if_rom.h b/audio_codec/libamr/if_rom.h new file mode 100755 index 0000000..c0fa70c --- a/dev/null +++ b/audio_codec/libamr/if_rom.h @@ -0,0 +1,70 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#ifndef IF_ROM_H +#define IF_ROM_H + +#include "typedef.h" + +/* + * definition of constants + */ +#define NUM_OF_SPMODES 9 + +/* number of parameters */ +#define PRMNO_7k 18 +#define PRMNO_9k 32 +#define PRMNO_12k 36 +#define PRMNO_14k 36 +#define PRMNO_16k 36 +#define PRMNO_18k 52 +#define PRMNO_20k 52 +#define PRMNO_23k 52 +#define PRMNO_24k 56 +#define PRMNO_SID 7 +#define NB_PARM_MAX PRMNO_24k + +/* number of bits */ +#ifndef NBBITS_7k +#define NBBITS_7k 132 +#define NBBITS_9k 177 +#define NBBITS_12k 253 +#define NBBITS_14k 285 +#define NBBITS_16k 317 +#define NBBITS_18k 365 +#define NBBITS_20k 397 +#define NBBITS_23k 461 +#define NBBITS_24k 477 +#define NBBITS_SID 35 +#endif + +/* number of total bits */ +#define HEADER_SIZE 6 /* real size + 1 */ +#define T_NBBITS_7k (NBBITS_7k + HEADER_SIZE) +#define T_NBBITS_9k (NBBITS_9k + HEADER_SIZE) +#define T_NBBITS_12k (NBBITS_12k + HEADER_SIZE) +#define T_NBBITS_14k (NBBITS_14k + HEADER_SIZE) +#define T_NBBITS_16k (NBBITS_16k + HEADER_SIZE) +#define T_NBBITS_18k (NBBITS_18k + HEADER_SIZE) +#define T_NBBITS_20k (NBBITS_20k + HEADER_SIZE) +#define T_NBBITS_23k (NBBITS_23k + HEADER_SIZE) +#define T_NBBITS_24k (NBBITS_24k + HEADER_SIZE) +#define T_NBBITS_SID (NBBITS_SID + HEADER_SIZE) + +#define TX_SPEECH 0 +#define TX_SID_FIRST 1 +#define TX_SID_UPDATE 2 +#define TX_NO_DATA 3 + +#define RX_SPEECH_GOOD 0 +#define RX_SPEECH_PROBABLY_DEGRADED 1 +#define RX_SPEECH_LOST 2 +#define RX_SPEECH_BAD 3 +#define RX_SID_FIRST 4 +#define RX_SID_UPDATE 5 +#define RX_SID_BAD 6 +#define RX_NO_DATA 7 + +#endif diff --git a/audio_codec/libamr/interf_dec.c b/audio_codec/libamr/interf_dec.c new file mode 100644 index 0000000..291ef20 --- a/dev/null +++ b/audio_codec/libamr/interf_dec.c @@ -0,0 +1,906 @@ +/* + * =================================================================== + * TS 26.104 + * R99 V3.5.0 2003-03 + * REL-4 V4.4.0 2003-03 + * REL-5 V5.1.0 2003-03 + * 3GPP AMR Floating-point Speech Codec + * =================================================================== + * + */ + +/* + * interf_dec.c + * + * + * Project: + * AMR Floating-Point Codec + * + * Contains: + * This module provides means to conversion from 3GPP or ETSI + * bitstream to AMR parameters + */ + +/* + * include files + */ +#include +#include +#include +#include "typedef.h" +#include "sp_dec.h" +#include "interf_rom.h" +#include "rom_dec.h" + +/* + * definition of constants + */ +#define EHF_MASK 0x0008 /* encoder homing frame pattern */ +typedef + +struct { + int reset_flag_old; /* previous was homing frame */ + + + enum RXFrameType prev_ft; /* previous frame type */ + enum Mode prev_mode; /* previous mode */ + void *decoder_State; /* Points decoder state */ + + +} dec_interface_State; + +#ifdef ETSI + + +/* + * Bin2Int + * + * + * Parameters: + * no_of_bits I: number of bits associated with value + * bits O: address where bits are written + * + * Function: + * Read nuber of bits from the array and convert to integer. + * + * Returns: + * value + */ +static Word16 Bin2Int(Word16 no_of_bits, Word16 *bitstream) +{ + Word32 value, i, bit; + + + value = 0; + + for (i = 0; i < no_of_bits; i++) { + value = value << 1; + bit = *bitstream++; + + if (bit == 0x1) { + value = value + 1; + } + } + return(Word16)(value); +} + + +/* + * Bits2Prm + * + * + * Parameters: + * mode I: AMR mode + * bits I: serial bits + * param O: AMR parameters + * + * Function: + * Retrieves the vector of encoder parameters from + * the received serial bits in a frame. + * + * Returns: + * void + */ +static void Bits2Prm(enum Mode mode, Word16 bits[], Word16 prm[]) +{ + Word32 i; + + + switch (mode) { + case MR122: + for (i = 0; i < PRMNO_MR122; i++) { + prm[i] = Bin2Int(bitno_MR122[i], bits); + bits += bitno_MR122[i]; + } + break; + + case MR102: + for (i = 0; i < PRMNO_MR102; i++) { + prm[i] = Bin2Int(bitno_MR102[i], bits); + bits += bitno_MR102[i]; + } + break; + + case MR795: + for (i = 0; i < PRMNO_MR795; i++) { + prm[i] = Bin2Int(bitno_MR795[i], bits); + bits += bitno_MR795[i]; + } + break; + + case MR74: + for (i = 0; i < PRMNO_MR74; i++) { + prm[i] = Bin2Int(bitno_MR74[i], bits); + bits += bitno_MR74[i]; + } + break; + + case MR67: + for (i = 0; i < PRMNO_MR67; i++) { + prm[i] = Bin2Int(bitno_MR67[i], bits); + bits += bitno_MR67[i]; + } + break; + + case MR59: + for (i = 0; i < PRMNO_MR59; i++) { + prm[i] = Bin2Int(bitno_MR59[i], bits); + bits += bitno_MR59[i]; + } + break; + + case MR515: + for (i = 0; i < PRMNO_MR515; i++) { + prm[i] = Bin2Int(bitno_MR515[i], bits); + bits += bitno_MR515[i]; + } + break; + + case MR475: + for (i = 0; i < PRMNO_MR475; i++) { + prm[i] = Bin2Int(bitno_MR475[i], bits); + bits += bitno_MR475[i]; + } + break; + + case MRDTX: + for (i = 0; i < PRMNO_MRDTX; i++) { + prm[i] = Bin2Int(bitno_MRDTX[i], bits); + bits += bitno_MRDTX[i]; + } + break; + } + return; +} + +#else + +#ifndef IF2 + +/* + * DecoderMMS + * + * + * Parameters: + * param O: AMR parameters + * stream I: input bitstream + * frame_type O: frame type + * speech_mode O: speech mode in DTX + * + * Function: + * AMR file storage format frame to decoder parameters + * + * Returns: + * mode used mode + */ +enum Mode DecoderMMS(Word16 *param, UWord8 *stream, enum RXFrameType + *frame_type, enum Mode *speech_mode, Word16 *q_bit) +{ + enum Mode mode; + Word32 j; + Word16 *mask; + + + memset(param, 0, PRMNO_MR122 << 1); + *q_bit = 0x01 & (*stream >> 2); + mode = 0x0F & (*stream >> 3); + stream++; + + if (mode == MRDTX) { + mask = order_MRDTX; + + for (j = 1; j < 36; j++) { + if (*stream & 0x80) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + + /* get SID type bit */ + + *frame_type = RX_SID_FIRST; + if (*stream & 0x80) { + *frame_type = RX_SID_UPDATE; + } + + /* since there is update, use it */ + /* *frame_type = RX_SID_UPDATE; */ + + /* speech mode indicator */ + *speech_mode = (*stream >> 4) && 0x07; + + } else if (mode == 15) { + *frame_type = RX_NO_DATA; + } else if (mode == MR475) { + mask = order_MR475; + + for (j = 1; j < 96; j++) { + if (*stream & 0x80) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR515) { + mask = order_MR515; + + for (j = 1; j < 104; j++) { + if (*stream & 0x80) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR59) { + mask = order_MR59; + + for (j = 1; j < 119; j++) { + if (*stream & 0x80) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR67) { + mask = order_MR67; + + for (j = 1; j < 135; j++) { + if (*stream & 0x80) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR74) { + mask = order_MR74; + + for (j = 1; j < 149; j++) { + if (*stream & 0x80) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR795) { + mask = order_MR795; + + for (j = 1; j < 160; j++) { + if (*stream & 0x80) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR102) { + mask = order_MR102; + + for (j = 1; j < 205; j++) { + if (*stream & 0x80) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR122) { + mask = order_MR122; + + for (j = 1; j < 245; j++) { + if (*stream & 0x80) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream <<= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else { + *frame_type = RX_SPEECH_BAD; + } + return mode; +} + +#else + +/* + * Decoder3GPP + * + * + * Parameters: + * param O: AMR parameters + * stream I: input bitstream + * frame_type O: frame type + * speech_mode O: speech mode in DTX + * + * Function: + * Resets state memory + * + * Returns: + * mode used mode + */ +enum Mode Decoder3GPP(Word16 *param, UWord8 *stream, enum RXFrameType + *frame_type, enum Mode *speech_mode) +{ + enum Mode mode; + Word32 j; + Word16 *mask; + + + memset(param, 0, PRMNO_MR122 << 1); + mode = 0xF & *stream; + *stream >>= 4; + + if (mode == MRDTX) { + mask = order_MRDTX; + + for (j = 5; j < 40; j++) { + if (*stream & 0x1) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream >>= 1; + } else { + stream++; + } + } + + /* get SID type bit */ + + *frame_type = RX_SID_FIRST; + if (*stream) { + *frame_type = RX_SID_UPDATE; + } + + /* since there is update, use it */ + /* *frame_type = RX_SID_UPDATE; */ + stream++; + + /* speech mode indicator */ + *speech_mode = *stream; + } else if (mode == 15) { + *frame_type = RX_NO_DATA; + } else if (mode == MR475) { + mask = order_MR475; + + for (j = 5; j < 100; j++) { + if (*stream & 0x1) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream >>= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR515) { + mask = order_MR515; + + for (j = 5; j < 108; j++) { + if (*stream & 0x1) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream >>= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR59) { + mask = order_MR59; + + for (j = 5; j < 123; j++) { + if (*stream & 0x1) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream >>= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR67) { + mask = order_MR67; + + for (j = 5; j < 139; j++) { + if (*stream & 0x1) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream >>= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR74) { + mask = order_MR74; + + for (j = 5; j < 153; j++) { + if (*stream & 0x1) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream >>= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR795) { + mask = order_MR795; + + for (j = 5; j < 164; j++) { + if (*stream & 0x1) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream >>= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR102) { + mask = order_MR102; + + for (j = 5; j < 209; j++) { + if (*stream & 0x1) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream >>= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else if (mode == MR122) { + mask = order_MR122; + + for (j = 5; j < 249; j++) { + if (*stream & 0x1) { + param[ * mask] = (short)(param[ * mask] + * (mask + 1)); + } + mask += 2; + + if (j % 8) { + *stream >>= 1; + } else { + stream++; + } + } + *frame_type = RX_SPEECH_GOOD; + } else { + *frame_type = RX_SPEECH_BAD; + } + return mode; +} +#endif +#endif + +/* + * Decoder_Interface_reset + * + * + * Parameters: + * st O: state struct + * + * Function: + * Reset homing frame counter + * + * Returns: + * void + */ +void Decoder_Interface_reset(dec_interface_State *st) +{ + st->reset_flag_old = 1; + st->prev_ft = RX_SPEECH_GOOD; + st->prev_mode = MR475; /* minimum bitrate */ +} + + +/* + * Decoder_Interface_init + * + * + * Parameters: + * void + * + * Function: + * Allocates state memory and initializes state memory + * + * Returns: + * success : pointer to structure + * failure : NULL + */ +static dec_interface_State g_dec_interface_State; +void * Decoder_Interface_init(void) +{ + dec_interface_State * s; + + /* allocate memory */ + /*if ( ( s = ( dec_interface_State * ) tlsf_malloc( sizeof( dec_interface_State ) ) ) == + NULL ) { + fprintf( stderr, "Decoder_Interface_init: " + "can not malloc state structure\n" ); + return NULL; + }*/ + s = &g_dec_interface_State; + + s->decoder_State = Speech_Decode_Frame_init(); + + if (s->decoder_State == NULL) { + // tlsf_free( s ); + return NULL; + } + Decoder_Interface_reset(s); + return (void *)s; +} + + +/* + * Decoder_Interface_exit + * + * + * Parameters: + * state I: state structure + * + * Function: + * The memory used for state memory is freed + * + * Returns: + * Void + */ +void Decoder_Interface_exit(void *state) +{ + dec_interface_State * s; + s = (dec_interface_State *)state; + + /* free memory */ + Speech_Decode_Frame_exit(s->decoder_State); + // tlsf_free( s ); + s = NULL; + state = NULL; +} + + +/* + * Decoder_Interface_Decode + * + * + * Parameters: + * st B: state structure + * bits I: bit stream + * synth O: synthesized speech + * bfi I: bad frame indicator + * + * Function: + * Decode bit stream to synthesized speech + * + * Returns: + * Void + */ +void Decoder_Interface_Decode(void *st, + +#ifndef ETSI + UWord8 *bits, + +#else + Word16 *bits, +#endif + + Word16 *synth, int bfi) +{ + enum Mode mode; /* AMR mode */ + +#ifndef ETSI + enum Mode speech_mode = MR475; /* speech mode */ +#endif + + Word16 prm[PRMNO_MR122]; /* AMR parameters */ + + enum RXFrameType frame_type; /* frame type */ + dec_interface_State * s; /* pointer to structure */ + + const Word16 *homing; /* pointer to homing frame */ + Word16 homingSize; /* frame size for homing frame */ + Word32 i; /* counter */ + Word32 resetFlag = 1; /* homing frame */ + +#ifndef ETSI +#ifndef IF2 + Word16 q_bit; +#endif +#endif + + s = (dec_interface_State *)st; + +#ifndef ETSI + + /* + * extract mode information and frametype, + * octets to parameters + */ +#ifdef IF2 + mode = Decoder3GPP(prm, bits, &frame_type, &speech_mode); +#else + mode = DecoderMMS(prm, bits, &frame_type, &speech_mode, &q_bit); + if (!bfi) { + bfi = 1 - q_bit; + } +#endif + + /* + * if no mode information + * guess one from the previous frame + */ + if (frame_type == RX_SPEECH_BAD) { + if (s->prev_ft > 3) { + frame_type = RX_SID_BAD; + mode = MRDTX; + } else { + mode = s->prev_mode; + } + } else if (frame_type == RX_NO_DATA) { + mode = s->prev_mode; + } + + if (bfi == 1) { + if (mode < 8) { + frame_type = RX_SPEECH_BAD; + } else if (mode != 15) { + frame_type = RX_SID_BAD; + } + } + +#else + bfi = 0; + frame_type = bits[0]; + + switch (frame_type) { + case 0: + frame_type = RX_SPEECH_GOOD; + mode = bits[245]; + Bits2Prm(mode, &bits[1], prm); + break; + + case 1: + frame_type = RX_SID_FIRST; + mode = s->prev_mode; + break; + + case 2: + frame_type = RX_SID_UPDATE; + mode = s->prev_mode; + Bits2Prm(MRDTX, &bits[1], prm); + break; + + case 3: + frame_type = RX_NO_DATA; + mode = s->prev_mode; + break; + } + +#endif + + /* test for homing frame */ + if (s->reset_flag_old == 1) { + switch (mode) { + case MR122: + homing = dhf_MR122; + homingSize = 18; + break; + + case MR102: + homing = dhf_MR102; + homingSize = 12; + break; + + case MR795: + homing = dhf_MR795; + homingSize = 8; + break; + + case MR74: + homing = dhf_MR74; + homingSize = 7; + break; + + case MR67: + homing = dhf_MR67; + homingSize = 7; + break; + + case MR59: + homing = dhf_MR59; + homingSize = 7; + break; + + case MR515: + homing = dhf_MR515; + homingSize = 7; + break; + + case MR475: + homing = dhf_MR475; + homingSize = 7; + break; + + default: + homing = NULL; + homingSize = 0; + break; + } + + for (i = 0; i < homingSize; i++) { + resetFlag = prm[i] ^ homing[i]; + + if (resetFlag) { + break; + } + } + } + + if ((resetFlag == 0) && (s->reset_flag_old != 0)) { + for (i = 0; i < 160; i++) { + synth[i] = EHF_MASK; + } + } else { + Speech_Decode_Frame(s->decoder_State, mode, prm, frame_type, synth); + } + + if (s->reset_flag_old == 0) { + /* check whole frame */ + switch (mode) { + case MR122: + homing = dhf_MR122; + homingSize = PRMNO_MR122; + break; + + case MR102: + homing = dhf_MR102; + homingSize = PRMNO_MR102; + break; + + case MR795: + homing = dhf_MR795; + homingSize = PRMNO_MR795; + break; + + case MR74: + homing = dhf_MR74; + homingSize = PRMNO_MR74; + break; + + case MR67: + homing = dhf_MR67; + homingSize = PRMNO_MR67; + break; + + case MR59: + homing = dhf_MR59; + homingSize = PRMNO_MR59; + break; + + case MR515: + homing = dhf_MR515; + homingSize = PRMNO_MR515; + break; + + case MR475: + homing = dhf_MR475; + homingSize = PRMNO_MR475; + break; + + default: + homing = NULL; + homingSize = 0; + } + + for (i = 0; i < homingSize; i++) { + resetFlag = prm[i] ^ homing[i]; + + if (resetFlag) { + break; + } + } + } + + /* reset decoder if current frame is a homing frame */ + if (resetFlag == 0) { + Speech_Decode_Frame_reset(s->decoder_State); + } + s->reset_flag_old = !resetFlag; + s->prev_ft = frame_type; + s->prev_mode = mode; +} diff --git a/audio_codec/libamr/interf_dec.h b/audio_codec/libamr/interf_dec.h new file mode 100644 index 0000000..2570ee9 --- a/dev/null +++ b/audio_codec/libamr/interf_dec.h @@ -0,0 +1,56 @@ +/* + * =================================================================== + * TS 26.104 + * R99 V3.5.0 2003-03 + * REL-4 V4.4.0 2003-03 + * REL-5 V5.1.0 2003-03 + * 3GPP AMR Floating-point Speech Codec + * =================================================================== + * + */ + +/* + * interf_dec.h + * + * + * Project: + * AMR Floating-Point Codec + * + * Contains: + * Defines interface to AMR decoder + * + */ + +#ifndef _interf_dec_h_ +#define _interf_dec_h_ + +/* + * Function prototypes + */ +/* + * Conversion from packed bitstream to endoded parameters + * Decoding parameters to speech + */ +void Decoder_Interface_Decode(void *st, + +#ifndef ETSI + unsigned char *bits, + +#else + short *bits, +#endif + + short *synth, int bfi); + +/* + * Reserve and init. memory + */ +void *Decoder_Interface_init(void); + +/* + * Exit and free memory + */ +void Decoder_Interface_exit(void *state); + +#endif + diff --git a/audio_codec/libamr/interf_rom.h b/audio_codec/libamr/interf_rom.h new file mode 100644 index 0000000..fca6916 --- a/dev/null +++ b/audio_codec/libamr/interf_rom.h @@ -0,0 +1,1788 @@ +/* + * =================================================================== + * TS 26.104 + * R99 V3.5.0 2003-03 + * REL-4 V4.4.0 2003-03 + * REL-5 V5.1.0 2003-03 + * 3GPP AMR Floating-point Speech Codec + * =================================================================== + * + */ + +/* + * interf_rom.h + * + * + * Project: + * AMR Floating-Point Codec + * + * Contains: + * Tables: Subjective importance + * Homing frames + * + * + */ + +#ifndef _interf_rom_h_ +#define _interf_rom_h_ + +/* + * include files + */ +#include"typedef.h" + +/* + * definition of constants + */ + +/* number of parameters */ +#define PRMNO_MR475 17 +#define PRMNO_MR515 19 +#define PRMNO_MR59 19 +#define PRMNO_MR67 19 +#define PRMNO_MR74 19 +#define PRMNO_MR795 23 +#define PRMNO_MR102 39 +#define PRMNO_MR122 57 +#define PRMNO_MRDTX 5 + +#ifdef ENABLE_CPU2_DECODER +CPU2_DATA_START +#endif + +/* + * tables + */ +#ifndef IF2 +#ifndef ETSI +static const UWord8 block_size[16] = { 13, 14, 16, 18, 20, 21, 27, 32, + 6 , 0 , 0 , 0 , 0 , 0 , 0 , 1 + }; + +static const UWord8 toc_byte[16] = {0x04, 0x0C, 0x14, 0x1C, 0x24, 0x2C, 0x34, 0x3C, + 0x44, 0x4C, 0x54, 0x5C, 0x64, 0x6C, 0x74, 0x7C + }; +#endif +#else +/* One encoded frame (bytes) */ +static const UWord8 block_size[16] = { 13, 14, 16, 18, 19, 21, 26, 31, + 5 , 0 , 0 , 0 , 0 , 0 , 0 , 1 + }; +#endif + +/* Subjective importance of the speech encoded bits */ +static Word16 order_MR475[] = { + 0, 0x80, + 0, 0x40, + 0, 0x20, + 0, 0x10, + 0, 0x8, + 0, 0x4, + 0, 0x2, + 0, 0x1, + 1, 0x80, + 1, 0x40, + 1, 0x20, + 1, 0x10, + 1, 0x8, + 1, 0x4, + 1, 0x2, + 1, 0x1, + 3, 0x80, + 3, 0x40, + 3, 0x20, + 3, 0x10, + 3, 0x8, + 3, 0x4, + 7, 0x8, + 7, 0x4, + 10, 0x8, + 10, 0x4, + 14, 0x8, + 14, 0x4, + 6, 0x1, + 6, 0x2, + 6, 0x4, + 6, 0x8, + 13, 0x1, + 13, 0x2, + 13, 0x4, + 13, 0x8, + 2, 0x20, + 2, 0x10, + 2, 0x4, + 2, 0x1, + 13, 0x10, + 13, 0x20, + 13, 0x40, + 13, 0x80, + 3, 0x2, + 3, 0x1, + 6, 0x10, + 6, 0x20, + 6, 0x40, + 6, 0x80, + 5, 0x2, + 5, 0x1, + 2, 0x40, + 2, 0x8, + 2, 0x2, + 7, 0x2, + 7, 0x1, + 9, 0x2, + 9, 0x1, + 10, 0x2, + 10, 0x1, + 12, 0x2, + 12, 0x1, + 14, 0x2, + 14, 0x1, + 16, 0x2, + 16, 0x1, + 4, 0x20, + 4, 0x10, + 4, 0x4, + 4, 0x2, + 8, 0x20, + 8, 0x10, + 8, 0x4, + 8, 0x2, + 11, 0x20, + 11, 0x10, + 11, 0x4, + 11, 0x2, + 15, 0x20, + 15, 0x10, + 15, 0x4, + 15, 0x2, + 4, 0x8, + 8, 0x8, + 11, 0x8, + 15, 0x8, + 4, 0x1, + 8, 0x1, + 11, 0x1, + 15, 0x1, + 4, 0x40, + 8, 0x40, + 11, 0x40, + 15, 0x40 +}; +static Word16 order_MR515[] = { + 0, 0x1, + 0, 0x2, + 0, 0x4, + 0, 0x8, + 0, 0x10, + 0, 0x20, + 0, 0x40, + 0, 0x80, + 1, 0x1, + 1, 0x2, + 1, 0x4, + 1, 0x8, + 1, 0x10, + 1, 0x20, + 1, 0x40, + 1, 0x80, + 3, 0x80, + 3, 0x40, + 3, 0x20, + 3, 0x10, + 3, 0x8, + 7, 0x8, + 11, 0x8, + 15, 0x8, + 6, 0x1, + 6, 0x2, + 6, 0x4, + 10, 0x1, + 10, 0x2, + 10, 0x4, + 14, 0x1, + 14, 0x2, + 14, 0x4, + 18, 0x1, + 18, 0x2, + 18, 0x4, + 6, 0x8, + 10, 0x8, + 14, 0x8, + 18, 0x8, + 3, 0x4, + 7, 0x4, + 11, 0x4, + 15, 0x4, + 2, 0x10, + 6, 0x10, + 10, 0x10, + 14, 0x10, + 18, 0x10, + 3, 0x2, + 7, 0x2, + 11, 0x2, + 2, 0x20, + 2, 0x4, + 2, 0x1, + 6, 0x20, + 10, 0x20, + 14, 0x20, + 18, 0x20, + 2, 0x2, + 3, 0x1, + 7, 0x1, + 11, 0x1, + 15, 0x2, + 2, 0x8, + 2, 0x40, + 15, 0x1, + 5, 0x1, + 5, 0x2, + 9, 0x1, + 9, 0x2, + 13, 0x1, + 4, 0x4, + 8, 0x4, + 12, 0x4, + 16, 0x4, + 13, 0x2, + 17, 0x1, + 17, 0x2, + 4, 0x2, + 8, 0x2, + 12, 0x2, + 16, 0x2, + 4, 0x20, + 8, 0x20, + 4, 0x10, + 8, 0x10, + 12, 0x20, + 12, 0x10, + 16, 0x20, + 16, 0x10, + 4, 0x40, + 8, 0x40, + 12, 0x40, + 16, 0x40, + 4, 0x1, + 8, 0x1, + 12, 0x1, + 16, 0x1, + 4, 0x8, + 8, 0x8, + 12, 0x8, + 16, 0x8 +}; +static Word16 order_MR59[] = { + 0, 0x80, + 0, 0x40, + 0, 0x8, + 0, 0x4, + 0, 0x10, + 0, 0x2, + 0, 0x1, + 0, 0x20, + 1, 0x8, + 1, 0x2, + 1, 0x100, + 1, 0x80, + 1, 0x20, + 1, 0x10, + 1, 0x4, + 1, 0x40, + 1, 0x1, + 3, 0x20, + 11, 0x20, + 3, 0x10, + 11, 0x10, + 3, 0x40, + 11, 0x40, + 3, 0x80, + 11, 0x80, + 3, 0x8, + 11, 0x8, + 7, 0x8, + 15, 0x8, + 6, 0x1, + 10, 0x1, + 14, 0x1, + 18, 0x1, + 3, 0x4, + 11, 0x4, + 7, 0x4, + 15, 0x4, + 6, 0x2, + 10, 0x2, + 14, 0x2, + 18, 0x2, + 7, 0x2, + 15, 0x2, + 3, 0x2, + 11, 0x2, + 3, 0x1, + 11, 0x1, + 6, 0x4, + 10, 0x4, + 14, 0x4, + 18, 0x4, + 6, 0x8, + 10, 0x8, + 14, 0x8, + 18, 0x8, + 6, 0x10, + 10, 0x10, + 14, 0x10, + 18, 0x10, + 2, 0x40, + 2, 0x10, + 2, 0x4, + 2, 0x8, + 2, 0x80, + 2, 0x100, + 2, 0x20, + 2, 0x2, + 17, 0x1, + 5, 0x2, + 13, 0x2, + 17, 0x2, + 9, 0x2, + 9, 0x1, + 5, 0x1, + 13, 0x1, + 2, 0x1, + 6, 0x20, + 10, 0x20, + 14, 0x20, + 18, 0x20, + 7, 0x1, + 15, 0x1, + 4, 0x4, + 8, 0x4, + 12, 0x4, + 16, 0x4, + 4, 0x8, + 8, 0x8, + 12, 0x8, + 16, 0x8, + 4, 0x40, + 8, 0x40, + 12, 0x40, + 16, 0x40, + 4, 0x80, + 8, 0x80, + 12, 0x80, + 16, 0x80, + 4, 0x100, + 8, 0x100, + 12, 0x100, + 16, 0x100, + 4, 0x1, + 8, 0x1, + 12, 0x1, + 16, 0x1, + 4, 0x2, + 8, 0x2, + 12, 0x2, + 16, 0x2, + 4, 0x10, + 8, 0x10, + 12, 0x10, + 16, 0x10, + 4, 0x20, + 8, 0x20, + 12, 0x20, + 16, 0x20 +}; +static Word16 order_MR67[] = { + 0, 0x80, + 0, 0x40, + 0, 0x8, + 0, 0x10, + 0, 0x4, + 0, 0x2, + 1, 0x8, + 0, 0x1, + 0, 0x20, + 1, 0x100, + 1, 0x80, + 1, 0x20, + 1, 0x2, + 1, 0x10, + 1, 0x4, + 1, 0x40, + 3, 0x20, + 11, 0x20, + 3, 0x10, + 11, 0x10, + 3, 0x40, + 11, 0x40, + 3, 0x80, + 11, 0x80, + 3, 0x8, + 11, 0x8, + 1, 0x1, + 7, 0x8, + 15, 0x8, + 7, 0x4, + 15, 0x4, + 3, 0x4, + 11, 0x4, + 7, 0x2, + 15, 0x2, + 6, 0x40, + 10, 0x40, + 14, 0x40, + 18, 0x40, + 3, 0x2, + 11, 0x2, + 6, 0x8, + 10, 0x8, + 14, 0x8, + 18, 0x8, + 6, 0x4, + 10, 0x4, + 14, 0x4, + 18, 0x4, + 7, 0x1, + 15, 0x1, + 3, 0x1, + 11, 0x1, + 2, 0x40, + 2, 0x4, + 6, 0x2, + 10, 0x2, + 14, 0x2, + 18, 0x2, + 2, 0x10, + 2, 0x8, + 2, 0x80, + 2, 0x100, + 2, 0x20, + 2, 0x2, + 2, 0x1, + 6, 0x10, + 10, 0x10, + 14, 0x10, + 18, 0x10, + 5, 0x1, + 9, 0x1, + 13, 0x1, + 17, 0x1, + 6, 0x1, + 10, 0x1, + 14, 0x1, + 18, 0x1, + 5, 0x2, + 9, 0x2, + 13, 0x2, + 17, 0x2, + 18, 0x20, + 14, 0x20, + 10, 0x20, + 6, 0x20, + 5, 0x4, + 9, 0x4, + 13, 0x4, + 17, 0x4, + 4, 0x4, + 8, 0x4, + 12, 0x4, + 16, 0x4, + 4, 0x20, + 8, 0x20, + 12, 0x20, + 16, 0x20, + 4, 0x40, + 8, 0x40, + 12, 0x40, + 16, 0x40, + 4, 0x200, + 8, 0x200, + 12, 0x200, + 16, 0x200, + 4, 0x400, + 8, 0x400, + 12, 0x400, + 16, 0x400, + 4, 0x1, + 8, 0x1, + 12, 0x1, + 16, 0x1, + 4, 0x2, + 8, 0x2, + 12, 0x2, + 16, 0x2, + 4, 0x8, + 8, 0x8, + 12, 0x8, + 16, 0x8, + 4, 0x10, + 8, 0x10, + 12, 0x10, + 16, 0x10, + 4, 0x80, + 8, 0x80, + 12, 0x80, + 16, 0x80, + 4, 0x100, + 8, 0x100, + 12, 0x100, + 16, 0x100 +}; +static Word16 order_MR74[] = { + 0, 0x80, + 0, 0x40, + 0, 0x20, + 0, 0x10, + 0, 0x8, + 0, 0x4, + 0, 0x2, + 0, 0x1, + 1, 0x100, + 1, 0x80, + 1, 0x40, + 1, 0x20, + 1, 0x10, + 1, 0x8, + 1, 0x4, + 1, 0x2, + 1, 0x1, + 3, 0x80, + 11, 0x80, + 3, 0x40, + 11, 0x40, + 3, 0x20, + 11, 0x20, + 3, 0x10, + 11, 0x10, + 3, 0x8, + 11, 0x8, + 6, 0x40, + 10, 0x40, + 14, 0x40, + 18, 0x40, + 6, 0x20, + 10, 0x20, + 14, 0x20, + 18, 0x20, + 6, 0x8, + 10, 0x8, + 14, 0x8, + 18, 0x8, + 6, 0x4, + 10, 0x4, + 14, 0x4, + 18, 0x4, + 7, 0x10, + 15, 0x10, + 7, 0x8, + 15, 0x8, + 2, 0x10, + 2, 0x8, + 2, 0x4, + 2, 0x100, + 2, 0x80, + 2, 0x40, + 3, 0x4, + 7, 0x4, + 11, 0x4, + 15, 0x4, + 6, 0x2, + 10, 0x2, + 14, 0x2, + 18, 0x2, + 2, 0x20, + 2, 0x2, + 2, 0x1, + 5, 0x1, + 9, 0x1, + 13, 0x1, + 17, 0x1, + 6, 0x1, + 10, 0x1, + 14, 0x1, + 18, 0x1, + 5, 0x2, + 9, 0x2, + 13, 0x2, + 17, 0x2, + 5, 0x4, + 9, 0x4, + 6, 0x10, + 10, 0x10, + 14, 0x10, + 18, 0x10, + 13, 0x4, + 17, 0x4, + 5, 0x8, + 9, 0x8, + 13, 0x8, + 17, 0x8, + 3, 0x2, + 3, 0x1, + 7, 0x2, + 7, 0x1, + 11, 0x2, + 11, 0x1, + 15, 0x2, + 15, 0x1, + 4, 0x20, + 4, 0x10, + 4, 0x8, + 4, 0x4, + 4, 0x2, + 4, 0x1, + 8, 0x20, + 8, 0x10, + 8, 0x8, + 8, 0x4, + 8, 0x2, + 8, 0x1, + 12, 0x20, + 12, 0x10, + 12, 0x8, + 12, 0x4, + 12, 0x2, + 12, 0x1, + 16, 0x20, + 16, 0x10, + 16, 0x8, + 16, 0x4, + 16, 0x2, + 16, 0x1, + 4, 0x1000, + 8, 0x1000, + 12, 0x1000, + 16, 0x1000, + 4, 0x800, + 8, 0x800, + 12, 0x800, + 16, 0x800, + 4, 0x400, + 8, 0x400, + 12, 0x400, + 16, 0x400, + 4, 0x200, + 8, 0x200, + 12, 0x200, + 16, 0x200, + 4, 0x100, + 8, 0x100, + 12, 0x100, + 16, 0x100, + 4, 0x80, + 8, 0x80, + 12, 0x80, + 16, 0x80, + 4, 0x40, + 8, 0x40, + 12, 0x40, + 16, 0x40 +}; +static Word16 order_MR795[] = { + 0, 0x1, + 0, 0x2, + 0, 0x4, + 0, 0x8, + 0, 0x10, + 0, 0x20, + 0, 0x40, + 1, 0x8, + 1, 0x2, + 1, 0x100, + 1, 0x80, + 1, 0x20, + 1, 0x10, + 1, 0x4, + 1, 0x40, + 1, 0x1, + 2, 0x40, + 2, 0x10, + 2, 0x4, + 2, 0x8, + 2, 0x80, + 2, 0x100, + 2, 0x20, + 7, 0x10, + 12, 0x10, + 17, 0x10, + 22, 0x10, + 7, 0x8, + 12, 0x8, + 17, 0x8, + 22, 0x8, + 7, 0x4, + 12, 0x4, + 17, 0x4, + 22, 0x4, + 6, 0x8, + 11, 0x8, + 16, 0x8, + 21, 0x8, + 6, 0x4, + 11, 0x4, + 16, 0x4, + 21, 0x4, + 3, 0x80, + 13, 0x80, + 3, 0x40, + 13, 0x40, + 3, 0x20, + 13, 0x20, + 3, 0x10, + 13, 0x10, + 3, 0x8, + 13, 0x8, + 8, 0x20, + 18, 0x20, + 8, 0x10, + 18, 0x10, + 8, 0x8, + 18, 0x8, + 7, 0x2, + 12, 0x2, + 17, 0x2, + 22, 0x2, + 3, 0x4, + 13, 0x4, + 8, 0x4, + 18, 0x4, + 0, 0x80, + 0, 0x100, + 2, 0x2, + 2, 0x1, + 3, 0x2, + 13, 0x2, + 3, 0x1, + 13, 0x1, + 8, 0x2, + 18, 0x2, + 8, 0x1, + 18, 0x1, + 6, 0x2, + 11, 0x2, + 16, 0x2, + 21, 0x2, + 7, 0x1, + 12, 0x1, + 17, 0x1, + 22, 0x1, + 6, 0x1, + 11, 0x1, + 16, 0x1, + 21, 0x1, + 15, 0x1, + 15, 0x2, + 15, 0x4, + 4, 0x2, + 9, 0x2, + 14, 0x2, + 19, 0x2, + 4, 0x10, + 9, 0x10, + 14, 0x10, + 19, 0x10, + 4, 0x80, + 9, 0x80, + 14, 0x80, + 19, 0x80, + 4, 0x800, + 9, 0x800, + 14, 0x800, + 19, 0x800, + 15, 0x8, + 20, 0x1, + 20, 0x2, + 20, 0x4, + 20, 0x8, + 10, 0x1, + 10, 0x2, + 10, 0x4, + 10, 0x8, + 5, 0x1, + 5, 0x2, + 5, 0x4, + 5, 0x8, + 4, 0x1, + 4, 0x4, + 4, 0x8, + 4, 0x20, + 4, 0x100, + 4, 0x1000, + 9, 0x1, + 9, 0x4, + 9, 0x8, + 9, 0x20, + 9, 0x100, + 9, 0x1000, + 14, 0x1, + 14, 0x4, + 14, 0x8, + 14, 0x20, + 14, 0x100, + 14, 0x1000, + 19, 0x1, + 19, 0x4, + 19, 0x8, + 19, 0x20, + 19, 0x100, + 19, 0x1000, + 4, 0x40, + 9, 0x40, + 14, 0x40, + 19, 0x40, + 4, 0x400, + 9, 0x400, + 14, 0x400, + 19, 0x400, + 4, 0x200, + 9, 0x200, + 14, 0x200, + 19, 0x200, + 0, 0x1, + 0, 0x2, + 0, 0x4, + 0, 0x8, + 0, 0x10, + 0, 0x20, + 0, 0x40, + 1, 0x8, + 1, 0x2, + 1, 0x100, + 1, 0x80, + 1, 0x20, + 1, 0x10, + 1, 0x4, + 1, 0x40, + 1, 0x1, + 2, 0x40, + 2, 0x10, + 2, 0x4, + 2, 0x8, + 2, 0x80, + 2, 0x100, + 2, 0x20, + 7, 0x10, + 12, 0x10, + 17, 0x10, + 22, 0x10, + 7, 0x8, + 12, 0x8, + 17, 0x8, + 22, 0x8, + 7, 0x4, + 12, 0x4, + 17, 0x4, + 22, 0x4, + 6, 0x8, + 11, 0x8, + 16, 0x8, + 21, 0x8, + 6, 0x4, + 11, 0x4, + 16, 0x4, + 21, 0x4, + 3, 0x80, + 13, 0x80, + 3, 0x40, + 13, 0x40, + 3, 0x20, + 13, 0x20, + 3, 0x10, + 13, 0x10, + 3, 0x8, + 13, 0x8, + 8, 0x20, + 18, 0x20, + 8, 0x10, + 18, 0x10, + 8, 0x8, + 18, 0x8, + 7, 0x2, + 12, 0x2, + 17, 0x2, + 22, 0x2, + 3, 0x4, + 13, 0x4, + 8, 0x4, + 18, 0x4, + 0, 0x80, + 0, 0x100, + 2, 0x2, + 2, 0x1, + 3, 0x2, + 13, 0x2, + 3, 0x1, + 13, 0x1, + 8, 0x2, + 18, 0x2, + 8, 0x1, + 18, 0x1, + 6, 0x2, + 11, 0x2, + 16, 0x2, + 21, 0x2, + 7, 0x1, + 12, 0x1, + 17, 0x1, + 22, 0x1, + 6, 0x1, + 11, 0x1, + 16, 0x1, + 21, 0x1, + 15, 0x1, + 15, 0x2, + 15, 0x4, + 4, 0x2, + 9, 0x2, + 14, 0x2, + 19, 0x2, + 4, 0x10, + 9, 0x10, + 14, 0x10, + 19, 0x10, + 4, 0x80, + 9, 0x80, + 14, 0x80, + 19, 0x80, + 4, 0x800, + 9, 0x800, + 14, 0x800, + 19, 0x800, + 15, 0x8, + 20, 0x1, + 20, 0x2, + 20, 0x4, + 20, 0x8, + 10, 0x1, + 10, 0x2, + 10, 0x4, + 10, 0x8, + 5, 0x1, + 5, 0x2, + 5, 0x4, + 5, 0x8, + 4, 0x1, + 4, 0x4, + 4, 0x8, + 4, 0x20, + 4, 0x100, + 4, 0x1000, + 9, 0x1, + 9, 0x4, + 9, 0x8, + 9, 0x20, + 9, 0x100, + 9, 0x1000, + 14, 0x1, + 14, 0x4, + 14, 0x8, + 14, 0x20, + 14, 0x100, + 14, 0x1000, + 19, 0x1, + 19, 0x4, + 19, 0x8, + 19, 0x20, + 19, 0x100, + 19, 0x1000, + 4, 0x40, + 9, 0x40, + 14, 0x40, + 19, 0x40, + 4, 0x400, + 9, 0x400, + 14, 0x400, + 19, 0x400, + 4, 0x200, + 9, 0x200, + 14, 0x200, + 19, 0x200 +}; +static Word16 order_MR102[] = { + 0, 0x1, + 0, 0x2, + 0, 0x4, + 0, 0x8, + 0, 0x10, + 0, 0x20, + 0, 0x40, + 0, 0x80, + 1, 0x1, + 1, 0x2, + 1, 0x4, + 1, 0x8, + 1, 0x10, + 1, 0x20, + 1, 0x40, + 1, 0x80, + 1, 0x100, + 3, 0x80, + 3, 0x40, + 3, 0x20, + 3, 0x10, + 3, 0x8, + 3, 0x4, + 21, 0x80, + 21, 0x40, + 21, 0x20, + 21, 0x10, + 21, 0x8, + 21, 0x4, + 12, 0x10, + 12, 0x8, + 30, 0x10, + 30, 0x8, + 11, 0x40, + 11, 0x8, + 11, 0x4, + 20, 0x40, + 20, 0x8, + 20, 0x4, + 29, 0x40, + 29, 0x8, + 29, 0x4, + 38, 0x40, + 38, 0x8, + 38, 0x4, + 3, 0x2, + 3, 0x1, + 21, 0x2, + 21, 0x1, + 12, 0x4, + 12, 0x2, + 30, 0x4, + 30, 0x2, + 11, 0x20, + 20, 0x20, + 29, 0x20, + 38, 0x20, + 2, 0x40, + 2, 0x4, + 2, 0x10, + 2, 0x8, + 2, 0x80, + 2, 0x100, + 2, 0x20, + 2, 0x2, + 2, 0x1, + 7, 0x1, + 6, 0x1, + 5, 0x1, + 4, 0x1, + 16, 0x1, + 15, 0x1, + 14, 0x1, + 13, 0x1, + 25, 0x1, + 24, 0x1, + 23, 0x1, + 22, 0x1, + 34, 0x1, + 33, 0x1, + 32, 0x1, + 31, 0x1, + 11, 0x2, + 11, 0x10, + 11, 0x1, + 20, 0x2, + 20, 0x10, + 20, 0x1, + 29, 0x2, + 29, 0x10, + 29, 0x1, + 38, 0x2, + 38, 0x10, + 38, 0x1, + 12, 0x1, + 30, 0x1, + 17, 0x200, + 17, 0x100, + 18, 0x100, + 18, 0x200, + 18, 0x80, + 17, 0x80, + 18, 0x20, + 17, 0x20, + 17, 0x40, + 18, 0x40, + 19, 0x40, + 19, 0x20, + 18, 0x10, + 19, 0x8, + 17, 0x10, + 19, 0x10, + 17, 0x8, + 18, 0x8, + 26, 0x200, + 26, 0x100, + 27, 0x100, + 27, 0x200, + 27, 0x80, + 26, 0x80, + 27, 0x20, + 26, 0x20, + 26, 0x40, + 27, 0x40, + 28, 0x40, + 28, 0x20, + 27, 0x10, + 28, 0x8, + 26, 0x10, + 28, 0x10, + 26, 0x8, + 27, 0x8, + 35, 0x200, + 35, 0x100, + 36, 0x100, + 36, 0x200, + 36, 0x80, + 35, 0x80, + 36, 0x20, + 35, 0x20, + 35, 0x40, + 36, 0x40, + 37, 0x40, + 37, 0x20, + 36, 0x10, + 37, 0x8, + 35, 0x10, + 37, 0x10, + 35, 0x8, + 36, 0x8, + 8, 0x200, + 8, 0x100, + 9, 0x100, + 9, 0x200, + 9, 0x80, + 8, 0x80, + 9, 0x20, + 8, 0x20, + 8, 0x40, + 9, 0x40, + 10, 0x40, + 10, 0x20, + 9, 0x10, + 10, 0x8, + 8, 0x10, + 10, 0x10, + 8, 0x8, + 9, 0x8, + 37, 0x4, + 35, 0x1, + 36, 0x1, + 37, 0x1, + 35, 0x4, + 37, 0x2, + 35, 0x2, + 36, 0x4, + 36, 0x2, + 28, 0x4, + 26, 0x1, + 27, 0x1, + 28, 0x1, + 26, 0x4, + 28, 0x2, + 26, 0x2, + 27, 0x4, + 27, 0x2, + 19, 0x4, + 17, 0x1, + 18, 0x1, + 19, 0x1, + 17, 0x4, + 19, 0x2, + 17, 0x2, + 18, 0x4, + 18, 0x2, + 10, 0x4, + 8, 0x1, + 9, 0x1, + 10, 0x1, + 8, 0x4, + 10, 0x2, + 8, 0x2, + 9, 0x4, + 9, 0x2 +}; +static Word16 order_MR122[] = { + 0, 0x40, + 0, 0x20, + 0, 0x10, + 0, 0x8, + 0, 0x4, + 0, 0x2, + 0, 0x1, + 1, 0x80, + 1, 0x40, + 1, 0x20, + 1, 0x10, + 1, 0x8, + 1, 0x4, + 1, 0x2, + 1, 0x1, + 2, 0x1, + 2, 0x100, + 2, 0x80, + 2, 0x40, + 2, 0x20, + 2, 0x10, + 2, 0x8, + 2, 0x4, + 2, 0x2, + 3, 0x80, + 3, 0x40, + 3, 0x20, + 3, 0x10, + 3, 0x8, + 5, 0x100, + 31, 0x100, + 5, 0x80, + 31, 0x80, + 5, 0x40, + 31, 0x40, + 5, 0x20, + 31, 0x20, + 5, 0x10, + 31, 0x10, + 5, 0x8, + 31, 0x8, + 5, 0x4, + 31, 0x4, + 5, 0x2, + 31, 0x2, + 5, 0x1, + 31, 0x1, + 6, 0x8, + 19, 0x8, + 32, 0x8, + 45, 0x8, + 6, 0x4, + 19, 0x4, + 32, 0x4, + 45, 0x4, + 6, 0x2, + 19, 0x2, + 32, 0x2, + 45, 0x2, + 17, 0x10, + 30, 0x10, + 43, 0x10, + 56, 0x10, + 17, 0x8, + 30, 0x8, + 43, 0x8, + 56, 0x8, + 17, 0x4, + 30, 0x4, + 43, 0x4, + 56, 0x4, + 18, 0x20, + 44, 0x20, + 18, 0x10, + 44, 0x10, + 18, 0x8, + 44, 0x8, + 18, 0x4, + 44, 0x4, + 18, 0x2, + 44, 0x2, + 3, 0x4, + 3, 0x2, + 3, 0x1, + 4, 0x20, + 4, 0x10, + 4, 0x8, + 4, 0x4, + 6, 0x1, + 19, 0x1, + 32, 0x1, + 45, 0x1, + 17, 0x2, + 30, 0x2, + 43, 0x2, + 56, 0x2, + 7, 0x8, + 20, 0x8, + 33, 0x8, + 46, 0x8, + 8, 0x8, + 21, 0x8, + 34, 0x8, + 47, 0x8, + 17, 0x1, + 30, 0x1, + 43, 0x1, + 56, 0x1, + 9, 0x8, + 22, 0x8, + 35, 0x8, + 48, 0x8, + 10, 0x8, + 23, 0x8, + 36, 0x8, + 49, 0x8, + 11, 0x8, + 24, 0x8, + 37, 0x8, + 50, 0x8, + 4, 0x2, + 4, 0x1, + 7, 0x1, + 7, 0x2, + 7, 0x4, + 8, 0x1, + 8, 0x2, + 8, 0x4, + 9, 0x1, + 9, 0x2, + 9, 0x4, + 10, 0x1, + 10, 0x2, + 10, 0x4, + 11, 0x1, + 11, 0x2, + 11, 0x4, + 20, 0x1, + 20, 0x2, + 20, 0x4, + 21, 0x1, + 21, 0x2, + 21, 0x4, + 22, 0x1, + 22, 0x2, + 22, 0x4, + 23, 0x1, + 23, 0x2, + 23, 0x4, + 24, 0x1, + 24, 0x2, + 24, 0x4, + 33, 0x1, + 33, 0x2, + 33, 0x4, + 34, 0x1, + 34, 0x2, + 34, 0x4, + 35, 0x1, + 35, 0x2, + 35, 0x4, + 36, 0x1, + 36, 0x2, + 36, 0x4, + 37, 0x1, + 37, 0x2, + 37, 0x4, + 46, 0x1, + 46, 0x2, + 46, 0x4, + 47, 0x1, + 47, 0x2, + 47, 0x4, + 48, 0x1, + 48, 0x2, + 48, 0x4, + 49, 0x1, + 49, 0x2, + 49, 0x4, + 50, 0x1, + 50, 0x2, + 50, 0x4, + 12, 0x1, + 12, 0x2, + 12, 0x4, + 13, 0x1, + 13, 0x2, + 13, 0x4, + 14, 0x1, + 14, 0x2, + 14, 0x4, + 15, 0x1, + 15, 0x2, + 15, 0x4, + 16, 0x1, + 16, 0x2, + 16, 0x4, + 25, 0x1, + 25, 0x2, + 25, 0x4, + 26, 0x1, + 26, 0x2, + 26, 0x4, + 27, 0x1, + 27, 0x2, + 27, 0x4, + 28, 0x1, + 28, 0x2, + 28, 0x4, + 29, 0x1, + 29, 0x2, + 29, 0x4, + 38, 0x1, + 38, 0x2, + 38, 0x4, + 39, 0x1, + 39, 0x2, + 39, 0x4, + 40, 0x1, + 40, 0x2, + 40, 0x4, + 41, 0x1, + 41, 0x2, + 41, 0x4, + 42, 0x1, + 42, 0x2, + 42, 0x4, + 51, 0x1, + 51, 0x2, + 51, 0x4, + 52, 0x1, + 52, 0x2, + 52, 0x4, + 53, 0x1, + 53, 0x2, + 53, 0x4, + 54, 0x1, + 54, 0x2, + 54, 0x4, + 55, 0x1, + 55, 0x2, + 55, 0x4, + 18, 0x1, + 44, 0x1 +}; +static Word16 order_MRDTX[] = { + 0, 0x4, + 0, 0x2, + 0, 0x1, + 1, 0x80, + 1, 0x40, + 1, 0x20, + 1, 0x10, + 1, 0x8, + 1, 0x4, + 1, 0x2, + 1, 0x1, + 2, 0x100, + 2, 0x80, + 2, 0x40, + 2, 0x20, + 2, 0x10, + 2, 0x8, + 2, 0x4, + 2, 0x2, + 2, 0x1, + 3, 0x100, + 3, 0x80, + 3, 0x40, + 3, 0x20, + 3, 0x10, + 3, 0x8, + 3, 0x4, + 3, 0x2, + 3, 0x1, + 4, 0x20, + 4, 0x10, + 4, 0x8, + 4, 0x4, + 4, 0x2, + 4, 0x1 +}; + +/* Homing frames for the decoder */ +static const Word16 dhf_MR475[PRMNO_MR475] = { + 0x00F8, + 0x009D, + 0x001C, + 0x0066, + 0x0000, + 0x0003, + 0x0028, + 0x000F, + 0x0038, + 0x0001, + 0x000F, + 0x0031, + 0x0002, + 0x0008, + 0x000F, + 0x0026, + 0x0003 +}; +static const Word16 dhf_MR515[PRMNO_MR515] = { + 0x00F8, + 0x009D, + 0x001C, + 0x0066, + 0x0000, + 0x0003, + 0x0037, + 0x000F, + 0x0000, + 0x0003, + 0x0005, + 0x000F, + 0x0037, + 0x0003, + 0x0037, + 0x000F, + 0x0023, + 0x0003, + 0x001F +}; +static const Word16 dhf_MR59[PRMNO_MR59] = { + 0x00F8, + 0x00E3, + 0x002F, + 0x00BD, + 0x0000, + 0x0003, + 0x0037, + 0x000F, + 0x0001, + 0x0003, + 0x000F, + 0x0060, + 0x00F9, + 0x0003, + 0x0037, + 0x000F, + 0x0000, + 0x0003, + 0x0037 +}; +static const Word16 dhf_MR67[PRMNO_MR67] = { + 0x00F8, + 0x00E3, + 0x002F, + 0x00BD, + 0x0002, + 0x0007, + 0x0000, + 0x000F, + 0x0098, + 0x0007, + 0x0061, + 0x0060, + 0x05C5, + 0x0007, + 0x0000, + 0x000F, + 0x0318, + 0x0007, + 0x0000 +}; +static const Word16 dhf_MR74[PRMNO_MR74] = { + 0x00F8, + 0x00E3, + 0x002F, + 0x00BD, + 0x0006, + 0x000F, + 0x0000, + 0x001B, + 0x0208, + 0x000F, + 0x0062, + 0x0060, + 0x1BA6, + 0x000F, + 0x0000, + 0x001B, + 0x0006, + 0x000F, + 0x0000 +}; +static const Word16 dhf_MR795[PRMNO_MR795] = { + 0x00C2, + 0x00E3, + 0x002F, + 0x00BD, + 0x0006, + 0x000F, + 0x000A, + 0x0000, + 0x0039, + 0x1C08, + 0x0007, + 0x000A, + 0x000B, + 0x0063, + 0x11A6, + 0x000F, + 0x0001, + 0x0000, + 0x0039, + 0x09A0, + 0x000F, + 0x0002, + 0x0001 +}; +static const Word16 dhf_MR102[PRMNO_MR102] = { + 0x00F8, + 0x00E3, + 0x002F, + 0x0045, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x001B, + 0x0000, + 0x0001, + 0x0000, + 0x0001, + 0x0326, + 0x00CE, + 0x007E, + 0x0051, + 0x0062, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x015A, + 0x0359, + 0x0076, + 0x0000, + 0x001B, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x017C, + 0x0215, + 0x0038, + 0x0030 +}; +static const Word16 dhf_MR122[PRMNO_MR122] = { + 0x0004, + 0x002A, + 0x00DB, + 0x0096, + 0x002A, + 0x0156, + 0x000B, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0036, + 0x000B, + 0x0000, + 0x000F, + 0x000E, + 0x000C, + 0x000D, + 0x0000, + 0x0001, + 0x0005, + 0x0007, + 0x0001, + 0x0008, + 0x0024, + 0x0000, + 0x0001, + 0x0000, + 0x0005, + 0x0006, + 0x0001, + 0x0002, + 0x0004, + 0x0007, + 0x0004, + 0x0002, + 0x0003, + 0x0036, + 0x000B, + 0x0000, + 0x0002, + 0x0004, + 0x0000, + 0x0003, + 0x0006, + 0x0001, + 0x0007, + 0x0006, + 0x0005, + 0x0000 +}; + + +/* parameter sizes (# of bits), one table per mode */ +static const Word16 bitno_MR475[PRMNO_MR475] = { + 8, 8, 7, /* LSP VQ */ + 8, 7, 2, 8, /* first subframe */ + 4, 7, 2, /* second subframe */ + 4, 7, 2, 8, /* third subframe */ + 4, 7, 2 /* fourth subframe */ +}; +static const Word16 bitno_MR515[PRMNO_MR515] = { + 8, 8, 7, /* LSP VQ */ + 8, 7, 2, 6, /* first subframe */ + 4, 7, 2, 6, /* second subframe */ + 4, 7, 2, 6, /* third subframe */ + 4, 7, 2, 6 /* fourth subframe */ +}; +static const Word16 bitno_MR59[PRMNO_MR59] = { + 8, 9, 9, /* LSP VQ */ + 8, 9, 2, 6, /* first subframe */ + 4, 9, 2, 6, /* second subframe */ + 8, 9, 2, 6, /* third subframe */ + 4, 9, 2, 6 /* fourth subframe */ +}; +static const Word16 bitno_MR67[PRMNO_MR67] = { + 8, 9, 9, /* LSP VQ */ + 8, 11, 3, 7, /* first subframe */ + 4, 11, 3, 7, /* second subframe */ + 8, 11, 3, 7, /* third subframe */ + 4, 11, 3, 7 /* fourth subframe */ +}; +static const Word16 bitno_MR74[PRMNO_MR74] = { + 8, 9, 9, /* LSP VQ */ + 8, 13, 4, 7, /* first subframe */ + 5, 13, 4, 7, /* second subframe */ + 8, 13, 4, 7, /* third subframe */ + 5, 13, 4, 7 /* fourth subframe */ +}; +static const Word16 bitno_MR795[PRMNO_MR795] = { + 9, 9, 9, /* LSP VQ */ + 8, 13, 4, 4, 5, /* first subframe */ + 6, 13, 4, 4, 5, /* second subframe */ + 8, 13, 4, 4, 5, /* third subframe */ + 6, 13, 4, 4, 5 /* fourth subframe */ +}; +static const Word16 bitno_MR102[PRMNO_MR102] = { + 8, 9, 9, /* LSP VQ */ + 8, 1, 1, 1, 1, 10, 10, 7, 7, /* first subframe */ + 5, 1, 1, 1, 1, 10, 10, 7, 7, /* second subframe */ + 8, 1, 1, 1, 1, 10, 10, 7, 7, /* third subframe */ + 5, 1, 1, 1, 1, 10, 10, 7, 7 /* fourth subframe */ +}; +static const Word16 bitno_MR122[PRMNO_MR122] = { + 7, 8, 9, 8, 6, /* LSP VQ */ + 9, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 5, /* first subframe */ + 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 5, /* second subframe */ + 9, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 5, /* third subframe */ + 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 5 /* fourth subframe */ +}; +static const Word16 bitno_MRDTX[PRMNO_MRDTX] = { + 3, 8, 9, 9, 6 +}; + +#ifdef ENABLE_CPU2_DECODER +CPU2_DATA_END +#endif + +#endif diff --git a/audio_codec/libamr/rom_dec.h b/audio_codec/libamr/rom_dec.h new file mode 100644 index 0000000..787cf91 --- a/dev/null +++ b/audio_codec/libamr/rom_dec.h @@ -0,0 +1,13274 @@ +/* + * =================================================================== + * TS 26.104 + * R99 V3.5.0 2003-03 + * REL-4 V4.4.0 2003-03 + * REL-5 V5.1.0 2003-03 + * 3GPP AMR Floating-point Speech Codec + * =================================================================== + * + */ + +/* + * rom_dec.h + * + * + * Project: + * AMR Floating-Point Codec + * + * Contains: + * This file contains all the tables needed by AMR decoder functions. + * + */ + +#ifndef _ROM_DEC_H_ +#define _ROM_DEC_H_ + +/* + * include files + */ +#include"typedef.h" +#include"interf_rom.h" + +/* + * definition of constants + */ +#define M 10 /* Order of LP filter */ +#define MP1 (M+1) /* Order of LP filter + 1 */ +#define L_WINDOW 240 /* Window size in LP analysis */ +#define L_NEXT 40 /* Overhead in LP analysis */ +#define LTPG_MEM_SIZE 5 /* number of stored past LTP coding gains + 1 */ +#define N_FRAME 7 /* old pitch gains in average calculation */ +#define DTX_HIST_SIZE 8 /* DTX history size */ +#define L_TOTAL 320 /* Total size of speech buffer. */ +#define L_FRAME 160 /* Frame size */ +#define L_FRAME_BY2 80 /* Frame size divided by 2 */ +#define L_SUBFR 40 /* Subframe size */ +#define L_CODE 40 /* codevector length */ +#define PIT_MAX 143 /* Maximum pitch lag */ +#define PIT_MIN 20 /* Minimum pitch lag */ +#define PIT_MIN_MR122 18 /* Minimum pitch lag (MR122 mode) */ +#define L_INTERPOL (10+1) /* Length of filter for interpolation */ +#define NPRED 4 /* number of prediction taps */ +#define SHARPMIN 0 /* Minimum value of pitch sharpening */ +#define MAX_PRM_SIZE 57 /* max. num. of params */ +#define L_INTER_SRCH 4 /* Length of filter for CL LTP search interpolation */ +#define GP_CLIP 0.95F /* Pitch gain clipping */ +#define UP_SAMP_MAX 6 +#define NB_TRACK 5 /* number of tracks */ +#define NB_TRACK_MR102 4 /* number of tracks mode mr102 */ +#define STEP 5 /* codebook step size */ +#define STEP_MR102 4 /* codebook step size mode mr102 */ +#define NC M/2 /* Order of LP filter divided by 2 */ + +/* vad */ +#define COMPLEN 9 /* Number of sub-bands used by VAD */ +#define L_ENERGYHIST 60 +#define L_CBGAINHIST 7 +#define PHDGAINMEMSIZE 5 +#define MIN_ENERGY -14336 /* 14 Q10 */ +#define MIN_ENERGY_MR122 -2381 /* 14 / (20*log10(2)) Q10 */ +#define PN_INITIAL_SEED 0x70816958L /* Pseudo noise generator seed value */ +#define MIN_16 (Word16)-32768 +#define MAX_16 (Word16)0x7fff +#define MAX_32 (Word32)0x7fffffffL +#define EXPCONST 5243 /* 0.16 in Q15 */ +#define DTX_MAX_EMPTY_THRESH 50 +#define DTX_ELAPSED_FRAMES_THRESH (24 + 7 -1) +#define LSF_GAP 205 /* Minimum distance between LSF after quantization; 50 Hz = 205 */ +#define LSP_PRED_FAC_MR122 21299 /* MR122 LSP prediction factor (0.65 Q15) */ +#define POS_CODE 8191 +#define NEG_CODE 8191 +#define NMAX 9 /* largest N used in median calculation */ +#define MEAN_ENER_MR122 783741L /* 36/(20*log10(2)) (Q17) */ +#define SHARPMAX 13017 /* Maximum value of pitch sharpening */ +#define FRAMEENERGYLIMIT 17578 /* 150 */ +#define LOWERNOISELIMIT 20 /* 5 */ +#define UPPERNOISELIMIT 1953 /* 50 */ +#define AZ_SIZE (4*M+4) /* Size of array of LP filters in 4 subfr.s */ +#define AGC_FAC 29491 /* Factor for automatic gain control 0.9 */ +#define PHDGAINMEMSIZE 5 +#define PHDTHR1LTP 9830 /* 0.6 in Q14 */ +#define PHDTHR2LTP 14746 /* 0.9 in Q14 */ +#define ONFACTPLUS1 16384 /* 2.0 in Q13 */ +#define ONLENGTH 2 +#define DTX_HANG_CONST 7 /* yields eight frames of SP HANGOVER */ + +/* number of parameters */ +#define PRMNO_MR475 17 +#define PRMNO_MR515 19 +#define PRMNO_MR59 19 +#define PRMNO_MR67 19 +#define PRMNO_MR74 19 +#define PRMNO_MR795 23 +#define PRMNO_MR102 39 +#define PRMNO_MR122 57 +#define PRMNO_MRDTX 5 + +#ifdef ENABLE_CPU2_DECODER +CPU2_DATA_START +#endif + +/* + * tables + */ + +/* level adjustment for different modes Q11 */ +static const Word16 dtx_log_en_adjust[9] = { + - 1023, + /* MR475 */ - 878, + /* MR515 */ - 732, + /* MR59 */ - 586, + /* MR67 */ - 440, + /* MR74 */ - 294, + /* MR795 */ - 148, + /* MR102 */ 0, + /* MR122 */ 0, + /* MRDTX */ +}; + +/* attenuation factors for codebook gain */ +static const Word32 cdown[7] = { + 32767, + 32112, + 32112, + 32112, + 32112, + 32112, + 22937 +}; + +/* attenuation factors for adaptive codebook gain */ +static const Word32 pdown[7] = { + 32767, + 32112, + 32112, + 26214, + 9830, + 6553, + 6553 +}; + +/* algebraic code book gain MA predictor coefficients */ +static const Word32 pred[NPRED] = { + 5571, + 4751, + 2785, + 1556 +}; + +/* algebraic code book gain MA predictor coefficients (MR122) */ +static const Word32 pred_MR122[NPRED] = { + 44, + 37, + 22, + 12 +}; + +static const Word32 gamma4_gamma3_MR122[M] = { + 22938, + 16057, + 11240, + 7868, + 5508, + 3856, + 2699, + 1889, + 1322, + 925 +}; +static const Word32 gamma3[M] = { + 18022, + 9912, + 5451, + 2998, + 1649, + 907, + 499, + 274, + 151, + 83 +}; +static const Word32 gamma4_MR122[M] = { + 24576, + 18432, + 13824, + 10368, + 7776, + 5832, + 4374, + 3281, + 2461, + 1846 +}; + + +/* adaptive codebook gain quantization table (MR122, MR795) */ +#define NB_QUA_PITCH 16 +static const Word32 qua_gain_pitch[NB_QUA_PITCH] = { + 0, + 3277, + 6556, + 8192, + 9830, + 11469, + 12288, + 13107, + 13926, + 14746, + 15565, + 16384, + 17203, + 18022, + 18842, + 19661 +}; + +/* fixed codebook gain quantization table (MR122, MR795) */ +#define NB_QUA_CODE 32 +static const Word32 qua_gain_code[NB_QUA_CODE * 3] = { + /* gain factor (g_fac) and quantized energy error (qua_ener_MR122, qua_ener) + * are stored: + * + * qua_ener_MR122 = log2(g_fac) (not the rounded floating point value, but + * the value the original EFR algorithm + * calculates from g_fac [using Log2]) + * qua_ener = 20*log10(g_fac); (rounded floating point value) + * + * + * g_fac (Q11), + * qua_ener_MR122 (Q10), + * qua_ener (Q10) + */ 159, + - 3776, + - 22731, + 206, + - 3394, + - 20428, + 268, + - 3005, + - 18088, + 349, + - 2615, + - 15739, + 419, + - 2345, + - 14113, + 482, + - 2138, + - 12867, + 554, + - 1932, + - 11629, + 637, + - 1726, + - 10387, + 733, + - 1518, + - 9139, + 842, + - 1314, + - 7906, + 969, + - 1106, + - 6656, + 1114, + - 900, + - 5416, + 1281, + - 694, + - 4173, + 1473, + - 487, + - 2931, + 1694, + - 281, + - 1688, + 1948, + - 75, + - 445, + 2241, + 133, + 801, + 2577, + 339, + 2044, + 2963, + 545, + 3285, + 3408, + 752, + 4530, + 3919, + 958, + 5772, + 4507, + 1165, + 7016, + 5183, + 1371, + 8259, + 5960, + 1577, + 9501, + 6855, + 1784, + 10745, + 7883, + 1991, + 11988, + 9065, + 2197, + 13231, + 10425, + 2404, + 14474, + 12510, + 2673, + 16096, + 16263, + 3060, + 18429, + 21142, + 3448, + 20763, + 27485, + 3836, + 23097 +}; + +/* gray coding table */ +static const Word8 gray[8] = { + 0, + 1, + 3, + 2, + 6, + 4, + 5, + 7 +}; + +/* gray decoding table */ +static const Word32 dgray[8] = { + 0, + 1, + 3, + 2, + 5, + 6, + 4, + 7 +}; + +/* table[i] = sqrt((i+16)*2^-6) * 2^15, i.e. sqrt(x) scaled Q15 */ +static const Word32 sqrt_table[49] = { + 16384, + 16888, + 17378, + 17854, + 18318, + 18770, + 19212, + 19644, + 20066, + 20480, + 20886, + 21283, + 21674, + 22058, + 22435, + 22806, + 23170, + 23530, + 23884, + 24232, + 24576, + 24915, + 25249, + 25580, + 25905, + 26227, + 26545, + 26859, + 27170, + 27477, + 27780, + 28081, + 28378, + 28672, + 28963, + 29251, + 29537, + 29819, + 30099, + 30377, + 30652, + 30924, + 31194, + 31462, + 31727, + 31991, + 32252, + 32511, + 32767 +}; + +static const Word32 inv_sqrt_table[49] = { + 32767, + 31790, + 30894, + 30070, + 29309, + 28602, + 27945, + 27330, + 26755, + 26214, + 25705, + 25225, + 24770, + 24339, + 23930, + 23541, + 23170, + 22817, + 22479, + 22155, + 21845, + 21548, + 21263, + 20988, + 20724, + 20470, + 20225, + 19988, + 19760, + 19539, + 19326, + 19119, + 18919, + 18725, + 18536, + 18354, + 18176, + 18004, + 17837, + 17674, + 17515, + 17361, + 17211, + 17064, + 16921, + 16782, + 16646, + 16514, + 16384 +}; +/* table used inbase 2 logharithm computation */ +static const Word32 log2_table[33] = { + 0, + 1455, + 2866, + 4236, + 5568, + 6863, + 8124, + 9352, + 10549, + 11716, + 12855, + 13967, + 15054, + 16117, + 17156, + 18172, + 19167, + 20142, + 21097, + 22033, + 22951, + 23852, + 24735, + 25603, + 26455, + 27291, + 28113, + 28922, + 29716, + 30497, + 31266, + 32023, + 32767 +}; + +/* table used in 2 to the power computation */ +static const Word32 pow2_table[33] = { + 16384, + 16743, + 17109, + 17484, + 17867, + 18258, + 18658, + 19066, + 19484, + 19911, + 20347, + 20792, + 21247, + 21713, + 22188, + 22674, + 23170, + 23678, + 24196, + 24726, + 25268, + 25821, + 26386, + 26964, + 27554, + 28158, + 28774, + 29405, + 30048, + 30706, + 31379, + 32066, + 32767 +}; + +/* table of cos(x) */ +static const Word32 cos_table[65] = { + 32767, + 32729, + 32610, + 32413, + 32138, + 31786, + 31357, + 30853, + 30274, + 29622, + 28899, + 28106, + 27246, + 26320, + 25330, + 24279, + 23170, + 22006, + 20788, + 19520, + 18205, + 16846, + 15447, + 14010, + 12540, + 11039, + 9512, + 7962, + 6393, + 4808, + 3212, + 1608, + 0, + - 1608, + - 3212, + - 4808, + - 6393, + - 7962, + - 9512, + - 11039, + - 12540, + - 14010, + - 15447, + - 16846, + - 18205, + - 19520, + - 20788, + - 22006, + - 23170, + - 24279, + - 25330, + - 26320, + - 27246, + - 28106, + - 28899, + - 29622, + - 30274, + - 30853, + - 31357, + - 31786, + - 32138, + - 32413, + - 32610, + - 32729, + - 32768 +}; + +/* slope used to compute y = acos(x) */ +static const Word32 acos_slope[64] = { + - 26887, + - 8812, + - 5323, + - 3813, + - 2979, + - 2444, + - 2081, + - 1811, + - 1608, + - 1450, + - 1322, + - 1219, + - 1132, + - 1059, + - 998, + - 946, + - 901, + - 861, + - 827, + - 797, + - 772, + - 750, + - 730, + - 713, + - 699, + - 687, + - 677, + - 668, + - 662, + - 657, + - 654, + - 652, + - 652, + - 654, + - 657, + - 662, + - 668, + - 677, + - 687, + - 699, + - 713, + - 730, + - 750, + - 772, + - 797, + - 827, + - 861, + - 901, + - 946, + - 998, + - 1059, + - 1132, + - 1219, + - 1322, + - 1450, + - 1608, + - 1811, + - 2081, + - 2444, + - 2979, + - 3813, + - 5323, + - 8812, + - 26887 +}; + +/* All impulse responses are in Q15 */ +/* phase dispersion impulse response (MR795) */ +static const Word32 ph_imp_low_MR795[] = { + 26777, + 801, + 2505, + - 683, + - 1382, + 582, + 604, + - 1274, + 3511, + - 5894, + 4534, + - 499, + - 1940, + 3011, + - 5058, + 5614, + - 1990, + - 1061, + - 1459, + 4442, + - 700, + - 5335, + 4609, + 452, + - 589, + - 3352, + 2953, + 1267, + - 1212, + - 2590, + 1731, + 3670, + - 4475, + - 975, + 4391, + - 2537, + 949, + - 1363, + - 979, + 5734 +}; +/* phase dispersion impulse response (MR795) */ +static const Word32 ph_imp_mid_MR795[] = { + 30274, + 3831, + - 4036, + 2972, + - 1048, + - 1002, + 2477, + - 3043, + 2815, + - 2231, + 1753, + - 1611, + 1714, + - 1775, + 1543, + - 1008, + 429, + - 169, + 472, + - 1264, + 2176, + - 2706, + 2523, + - 1621, + 344, + 826, + - 1529, + 1724, + - 1657, + 1701, + - 2063, + 2644, + - 3060, + 2897, + - 1978, + 557, + 780, + - 1369, + 842, + 655 +}; + +/* phase dispersion impulse response (MR475 - MR67) */ +static const Word32 ph_imp_low[] = { + 14690, + 11518, + 1268, + - 2761, + - 5671, + 7514, + - 35, + - 2807, + - 3040, + 4823, + 2952, + - 8424, + 3785, + 1455, + 2179, + - 8637, + 8051, + - 2103, + - 1454, + 777, + 1108, + - 2385, + 2254, + - 363, + - 674, + - 2103, + 6046, + - 5681, + 1072, + 3123, + - 5058, + 5312, + - 2329, + - 3728, + 6924, + - 3889, + 675, + - 1775, + 29, + 10145 +}; + +/* phase dispersion impulse response (MR475 - MR67) */ +static const Word32 ph_imp_mid[] = { + 30274, + 3831, + - 4036, + 2972, + - 1048, + - 1002, + 2477, + - 3043, + 2815, + - 2231, + 1753, + - 1611, + 1714, + - 1775, + 1543, + - 1008, + 429, + - 169, + 472, + - 1264, + 2176, + - 2706, + 2523, + - 1621, + 344, + 826, + - 1529, + 1724, + - 1657, + 1701, + - 2063, + 2644, + - 3060, + 2897, + - 1978, + 557, + 780, + - 1369, + 842, + 655 +}; + +/* initialization table for the MA predictor in DTX */ +#define PAST_RQ_INIT_SIZE 8 + +/* initalization table for MA predictor in dtx mode */ +static const Word32 past_rq_init[80] = { + - 258, + - 318, + - 439, + - 634, + - 656, + - 773, + - 711, + - 502, + - 268, + - 193, + - 2, + 125, + 122, + - 39, + - 9, + 105, + 129, + 283, + 372, + 575, + - 277, + - 324, + - 197, + - 487, + - 445, + - 362, + - 292, + - 27, + 177, + 543, + 342, + 517, + 516, + 130, + 27, + - 104, + - 120, + - 140, + - 74, + - 56, + - 564, + - 943, + - 1520, + - 965, + - 814, + - 526, + - 322, + - 2, + 159, + 657, + - 312, + - 284, + - 386, + - 597, + - 493, + - 526, + - 418, + - 229, + 105, + 449, + - 557, + - 870, + - 1075, + - 919, + - 950, + - 752, + - 709, + - 316, + 62, + 486, + - 314, + - 191, + - 203, + - 330, + - 160, + - 103, + - 51, + 131, + 338, + 515 +}; + +#define ALPHA 29491 +#define ONE_ALPHA 3277 +/* LSF means (not in MR122) */ +static const Word32 mean_lsf_3[10] = { + 1546, + 2272, + 3778, + 5488, + 6972, + 8382, + 10047, + 11229, + 12766, + 13714 +}; + +#define ALPHA_122 31128 +#define ONE_ALPHA_122 1639 +/* LSF means ->normalize frequency domain */ +static const Word32 mean_lsf_5[10] = { + 1384, + 2077, + 3420, + 5108, + 6742, + 8122, + 9863, + 11092, + 12714, + 13701 +}; + +/* LSF prediction factors (not in MR122) */ +static const Word32 pred_fac[10] = { + 9556, + 10769, + 12571, + 13292, + 14381, + 11651, + 10588, + 9767, + 8593, + 6484 +}; +#define DICO1_SIZE_3 256 +#define DICO2_SIZE_3 512 +#define DICO3_SIZE_3 512 + +/* 1st LSF quantizer (not in MR122 and MR795) */ +static const Word32 dico1_lsf_3[] = { + 6, + 82, + - 131, + 154, + - 56, + - 735, + 183, + - 65, + - 265, + 9, + - 210, + - 361, + 113, + 718, + 1817, + 1010, + 1214, + 1573, + 857, + 1333, + 2276, + 827, + 1568, + 1933, + 717, + 1989, + 2206, + 838, + 1172, + 1823, + 721, + 1000, + 2154, + 286, + 476, + 1509, + - 247, + - 531, + 230, + 147, + - 82, + 569, + 26, + - 177, + - 944, + - 27, + - 273, + 692, + - 164, + - 264, + - 183, + 224, + 790, + 1039, + 899, + 946, + 601, + 485, + 771, + 1150, + 524, + 677, + 903, + - 140, + 375, + 778, + 410, + 676, + 429, + 301, + 530, + 1009, + 719, + 646, + 38, + 226, + 367, + 40, + 145, + - 45, + - 505, + 290, + 121, + - 121, + 302, + 127, + 166, + - 124, + - 383, + - 956, + - 358, + - 455, + - 977, + 715, + 878, + 894, + 978, + 923, + 211, + 477, + 272, + 64, + 188, + - 78, + 17, + - 143, + - 65, + 38, + 643, + 586, + 621, + - 134, + - 426, + - 651, + 347, + 545, + 2820, + 1188, + 2726, + 2442, + 142, + - 80, + 1735, + 283, + 130, + 461, + - 262, + - 399, + - 1145, + - 411, + 155, + 430, + 329, + 375, + 779, + 53, + - 226, + - 139, + - 129, + - 236, + 1682, + 285, + 744, + 1327, + 738, + 697, + 1664, + 312, + 409, + 266, + 325, + 720, + 135, + 1, + 221, + 453, + 8, + 203, + 145, + 299, + 640, + 760, + 29, + 468, + 638, + 103, + 429, + 379, + 420, + 954, + 932, + 1326, + 1210, + 1258, + 704, + 1012, + 1152, + - 166, + - 444, + - 266, + - 316, + - 130, + - 376, + 191, + 1151, + 1904, + - 240, + - 543, + - 1260, + - 112, + 268, + 1207, + 70, + 1062, + 1583, + 278, + 1360, + 1574, + - 258, + - 272, + - 768, + 19, + 563, + 2240, + - 3, + - 265, + 135, + - 295, + - 591, + - 388, + 140, + 354, + - 206, + - 260, + - 504, + - 795, + - 433, + - 718, + - 1319, + 109, + 331, + 962, + - 429, + - 87, + 652, + - 296, + 426, + 1019, + - 239, + 775, + 851, + 489, + 1334, + 1073, + - 334, + - 332, + 25, + 543, + 1206, + 1807, + 326, + 61, + 727, + 578, + 849, + 1405, + - 208, + - 277, + 329, + - 152, + 64, + 669, + - 434, + - 678, + - 727, + - 454, + - 71, + 251, + 605, + 480, + 254, + - 482, + 11, + 996, + - 289, + 395, + 486, + 722, + 1049, + 1440, + - 30, + - 316, + - 786, + - 106, + - 115, + - 619, + 861, + 1474, + 1412, + 1055, + 1366, + 1184, + 812, + 1237, + 925, + 42, + - 251, + - 576, + 342, + 141, + - 454, + - 168, + - 80, + 1359, + - 342, + - 656, + - 1763, + 100, + 821, + 725, + 990, + 747, + 800, + 332, + 440, + 568, + 663, + 379, + 852, + 112, + 165, + - 369, + 597, + 910, + 282, + - 8, + 834, + 1281, + - 352, + 572, + 695, + 462, + 2246, + 1806, + 345, + 190, + 1374, + 416, + 915, + 2166, + 168, + - 82, + 280, + - 516, + - 446, + 840, + 47, + 533, + 44, + - 362, + - 711, + - 1143, + 22, + 193, + 1472, + - 85, + 233, + 1813, + - 62, + 579, + 1504, + 550, + 944, + 1749, + 723, + 650, + 1148, + 972, + 884, + 1395, + - 425, + 643, + 0, + 1000, + 952, + 1098, + 249, + 1446, + 672, + - 334, + - 87, + 2172, + - 554, + 1882, + 2672, + 140, + 1826, + 1853, + 920, + 1749, + 2590, + 1076, + 1933, + 2038, + - 137, + - 443, + - 1555, + 1269, + 1174, + 468, + - 493, + - 122, + 1521, + - 451, + 1033, + 1214, + 482, + 1695, + 1118, + 815, + 649, + 384, + - 446, + - 692, + 107, + - 319, + - 605, + - 118, + - 207, + - 505, + 525, + - 468, + - 12, + 2736, + 75, + 1934, + 1305, + 880, + 2358, + 2267, + 1285, + 1575, + 2004, + - 48, + - 304, + - 1186, + - 435, + - 461, + - 251, + - 366, + - 404, + - 547, + - 289, + - 605, + - 597, + - 538, + - 810, + - 165, + - 120, + 3, + 356, + 639, + 1241, + 1502, + 96, + 177, + 750, + - 435, + - 585, + - 1174, + - 356, + 109, + - 79, + - 485, + 288, + 2005, + 9, + 1116, + 731, + 880, + 2134, + 946, + - 265, + 1585, + 1065, + 1157, + 1210, + 843, + - 498, + - 668, + 431, + 374, + 321, + - 229, + 1440, + 2101, + 1381, + 449, + 461, + 1155, + - 105, + 39, + - 384, + - 263, + 367, + 182, + - 371, + - 660, + 773, + - 188, + 1151, + 971, + 1333, + 1632, + 1435, + 774, + 1267, + 1221, + - 482, + - 832, + - 1489, + - 237, + - 210, + 860, + 890, + 1615, + 1064, + 472, + 1062, + 1192, + 185, + 1077, + 989, + - 568, + - 992, + - 1704, + - 449, + - 902, + - 2043, + - 142, + - 377, + - 458, + - 210, + - 554, + - 1029, + - 11, + 1133, + 2265, + - 329, + - 675, + - 893, + - 250, + 657, + 1187, + 519, + 1510, + 1779, + 520, + 539, + 1403, + 527, + 1421, + 1302, + - 563, + - 871, + - 1248, + - 147, + - 463, + 879, + - 76, + 2334, + 2840, + 563, + 2573, + 2385, + 632, + 1926, + 2920, + 719, + 2023, + 1840, + - 545, + - 723, + 1108, + 129, + - 125, + 884, + 1417, + 1632, + 925, + - 94, + 1566, + 1751, + - 341, + 1533, + 1551, + 591, + 395, + - 274, + - 76, + 981, + 2831, + 153, + 2985, + 1844, + 1032, + 2565, + 2749, + 1508, + 2832, + 1879, + 791, + 1199, + 538, + - 190, + - 453, + 1489, + - 278, + - 548, + 1158, + - 245, + 1941, + 2044, + 1024, + 1560, + 1650, + 512, + 253, + 466, + - 62, + - 323, + 1151, + - 473, + - 376, + 507, + - 433, + 1380, + 2162, + 899, + 1943, + 1445, + 134, + 704, + 440, + 460, + 525, + - 28, + - 450, + 279, + 1338, + 0, + 971, + 252, + - 445, + - 627, + - 991, + - 348, + - 602, + - 1424, + 398, + 712, + 1656, + - 107, + 314, + - 178, + 93, + 2226, + 2238, + 518, + 849, + 656, + - 462, + - 711, + - 447, + 174, + - 34, + 1191, + - 119, + 42, + 1005, + - 372, + 274, + 758, + 1036, + 2352, + 1838, + 675, + 1724, + 1498, + 430, + 1286, + 2133, + - 129, + - 439, + 0, + - 373, + 800, + 2144, + 6, + 1587, + 2478, + 478, + 596, + 2128, + - 428, + - 736, + 1505, + 385, + 178, + 980, + 139, + 449, + 1225, + - 526, + - 842, + - 982, + 145, + 1554, + 1242, + 623, + 1448, + 656, + 349, + 1016, + 1482, + 31, + - 280, + 415, + - 316, + 724, + 1641, + 360, + 1058, + 556, + - 436, + - 358, + 1201, + - 355, + 1123, + 1939, + 401, + 1584, + 2248, + - 527, + - 1012, + 355, + 233, + 238, + 2233, + - 550, + - 897, + - 639, + - 365, + - 501, + 1957, + 389, + 1860, + 1621, + 162, + 1132, + 1264, + - 237, + 1174, + 1390, + - 640, + - 411, + 116, + - 228, + 1694, + 2298, + 1639, + 2186, + 2267, + 562, + 1273, + 2658, + 323, + 338, + 1774, + 578, + 1107, + 852, + 22, + 594, + 934, + - 143, + 718, + 446 +}; + +/* 2nd LSF quantizer (not in MR122) */ +static const Word32 dico2_lsf_3[] = { + 50, + 71, + - 9, + - 338, + - 698, + - 1407, + 102, + - 138, + - 820, + - 310, + - 469, + - 1147, + 414, + 67, + - 267, + 1060, + 814, + 1441, + 1548, + 1360, + 1272, + 1754, + 1895, + 1661, + 2019, + 2133, + 1820, + 1808, + 2318, + 1845, + 644, + - 93, + 454, + 858, + 329, + - 136, + 489, + - 258, + - 128, + - 198, + - 745, + - 41, + - 52, + - 265, + - 985, + 346, + 137, + 479, + - 1741, + - 748, + - 684, + - 1163, + - 1725, + - 367, + - 895, + - 1145, + - 784, + - 488, + - 946, + - 968, + - 85, + - 390, + - 725, + 215, + - 340, + - 171, + 1020, + 916, + 1969, + 564, + 179, + 746, + 662, + 977, + 1734, + 887, + 622, + 914, + 939, + 856, + 1165, + 309, + 688, + 803, + 917, + 161, + 570, + 118, + - 20, + - 283, + - 816, + - 42, + 204, + - 1228, + - 325, + - 462, + - 963, + - 202, + - 143, + - 988, + - 484, + - 361, + - 702, + - 978, + - 477, + - 302, + - 790, + - 1188, + - 100, + - 786, + - 1088, + - 1054, + - 947, + - 1684, + - 202, + - 843, + - 782, + - 1039, + - 1378, + - 901, + - 624, + - 110, + - 85, + 356, + 213, + - 10, + - 493, + 364, + 774, + 425, + 822, + 479, + - 83, + 557, + 520, + - 992, + - 1560, + - 572, + - 603, + - 741, + - 26, + - 502, + - 638, + - 903, + 209, + 306, + 147, + - 316, + - 593, + - 596, + - 85, + - 211, + - 225, + - 918, + - 529, + 117, + 233, + - 439, + - 738, + 1101, + 751, + 633, + 1457, + 1716, + 1511, + 1765, + 1457, + 910, + 1122, + 1156, + 849, + 1354, + 868, + 470, + - 871, + - 1150, + - 1796, + - 871, + - 861, + - 992, + - 118, + 155, + 212, + - 1051, + - 849, + - 606, + - 1117, + - 1849, + - 2750, + - 1019, + - 1427, + - 1869, + 370, + - 184, + - 414, + 959, + 493, + 104, + 958, + 1039, + 543, + 154, + 653, + 201, + 1249, + 507, + 150, + 663, + 503, + 230, + 623, + 777, + 675, + 659, + 88, + - 110, + 843, + 244, + 224, + 382, + 541, + 302, + 724, + 433, + 666, + 1166, + 734, + 341, + - 138, + 20, + - 397, + - 1183, + - 424, + - 46, + - 321, + - 352, + - 124, + 1333, + 1021, + 1080, + 262, + 366, + 723, + 922, + 283, + - 551, + 31, + - 636, + - 611, + - 689, + - 697, + - 415, + - 952, + - 779, + - 201, + - 1329, + - 598, + - 359, + - 953, + - 1285, + 166, + 493, + 305, + 221, + 846, + 703, + 610, + 840, + 936, + 774, + - 723, + - 1324, + - 1261, + - 357, + - 1025, + - 1388, + - 1096, + - 1376, + - 365, + - 1416, + - 1881, + - 608, + - 1798, + - 1727, + - 674, + - 545, + - 1173, + - 703, + 678, + 786, + 148, + - 123, + 696, + 1288, + 644, + 350, + - 10, + 414, + 614, + 15, + 137, + 344, + - 211, + - 814, + - 1512, + - 819, + - 391, + - 930, + - 588, + 47, + - 591, + - 898, + - 909, + - 1097, + - 163, + - 1272, + - 1167, + - 157, + - 1464, + - 1525, + - 389, + - 1274, + - 1188, + - 624, + 671, + 213, + 454, + 124, + - 274, + - 525, + - 729, + - 496, + - 152, + - 1344, + 122, + 135, + - 2905, + - 589, + - 394, + - 1728, + 441, + - 50, + 1476, + 904, + 787, + 316, + 236, + - 440, + - 347, + 217, + 413, + - 911, + - 917, + 121, + - 455, + - 932, + 202, + - 92, + - 465, + - 375, + 488, + 390, + 474, + 876, + 729, + 316, + - 1815, + - 1312, + - 669, + 87, + 962, + 432, + 563, + - 249, + - 1058, + 250, + 285, + 1105, + 1141, + 427, + 696, + - 1038, + - 1664, + - 1582, + - 948, + 346, + 160, + - 309, + - 272, + - 858, + 670, + 624, + 1250, + - 944, + - 408, + - 666, + - 606, + - 320, + - 384, + - 492, + 230, + 65, + 334, + - 50, + - 16, + - 16, + - 690, + - 1397, + 1791, + 1716, + 1399, + 2478, + 2063, + 1404, + 1245, + 1471, + 1426, + - 382, + - 1037, + - 2, + 173, + - 398, + 1145, + 1491, + 2024, + 1801, + 772, + 1274, + 1506, + 1429, + 1735, + 2001, + 1079, + 1218, + 1273, + - 1154, + - 1851, + - 1329, + - 808, + - 1133, + - 1096, + - 451, + - 1033, + - 1722, + 65, + 578, + - 84, + - 1476, + - 2434, + - 1778, + - 765, + - 1366, + - 494, + - 218, + - 594, + - 931, + 337, + - 236, + 562, + 2357, + 2662, + 1938, + 1489, + 1276, + 874, + 189, + 358, + 374, + - 1519, + - 2281, + - 2346, + - 967, + - 1271, + - 2095, + - 628, + - 1188, + - 1542, + 1661, + 1043, + 546, + 565, + 1061, + 732, + - 64, + - 836, + - 434, + - 436, + - 96, + 203, + 1078, + 1216, + 1636, + 907, + 1534, + 986, + 326, + 965, + 845, + 142, + - 84, + 197, + 470, + 2379, + 1570, + 1133, + 470, + 1214, + 395, + 1376, + 1200, + 1125, + 1042, + 348, + - 543, + - 1234, + - 376, + - 215, + - 181, + 481, + - 1947, + - 1621, + - 210, + - 750, + - 1185, + 390, + 29, + - 399, + 27, + 820, + 1236, + 755, + 695, + 979, + 409, + - 174, + 1197, + 1035, + 912, + 1356, + 1846, + - 992, + - 1437, + 484, + - 1485, + - 1700, + 208, + - 412, + 1204, + 1432, + - 271, + 896, + 1144, + - 416, + 1777, + 1434, + - 1696, + - 2644, + - 204, + - 1789, + - 1551, + 1033, + - 1656, + - 1559, + 1303, + - 1253, + - 1589, + 1081, + - 669, + - 1095, + - 66, + - 682, + 320, + - 345, + 659, + 305, + 1069, + - 1292, + - 804, + - 19, + - 1635, + - 1291, + 29, + - 1683, + - 497, + 71, + - 287, + - 7, + - 100, + - 494, + - 962, + - 237, + 852, + 1881, + 1740, + - 1217, + - 1387, + 227, + - 660, + 302, + 373, + 96, + 1087, + 1257, + - 1074, + - 1669, + 160, + 485, + 2076, + 1798, + - 934, + - 220, + 552, + - 596, + - 612, + 237, + 336, + 1720, + 879, + 643, + 629, + 434, + 1267, + 522, + 1633, + 15, + 244, + - 441, + 1475, + 717, + 184, + 1819, + 1590, + 1709, + 988, + 261, + 937, + 2093, + 2345, + 1520, + 2139, + 1858, + 1606, + - 577, + - 579, + - 1203, + - 956, + 135, + - 488, + - 464, + 51, + - 338, + - 629, + - 348, + - 723, + 1146, + 2073, + 1442, + 2192, + 1466, + 911, + - 1444, + - 1572, + - 2278, + 1400, + 710, + 1297, + 1335, + 633, + 928, + 1434, + 2194, + 2594, + 2422, + 2204, + 1881, + 982, + 2242, + 1854, + 380, + 792, + 1145, + - 63, + - 539, + 414, + - 252, + - 964, + - 314, + - 1261, + - 683, + - 780, + - 831, + - 526, + - 1005, + - 1666, + - 1135, + - 424, + - 1611, + - 452, + - 299, + 1268, + 1048, + 642, + 1147, + 853, + 856, + - 675, + - 336, + 139, + 2268, + 1343, + 1418, + 29, + 768, + 797, + - 1224, + 423, + 564, + - 1318, + - 1082, + 245, + - 1302, + - 812, + 573, + - 1298, + - 1617, + 646, + - 968, + 834, + 723, + 993, + 1652, + 2027, + - 191, + - 817, + 432, + 662, + 60, + 198, + 626, + 997, + 1330, + 1648, + 1963, + 1289, + - 1597, + - 93, + - 45, + - 1088, + 37, + - 84, + 1653, + 2607, + 2337, + 1065, + 2040, + 2377, + 1139, + 2326, + 2118, + 859, + 357, + 1510, + 664, + 1227, + 1099, + 479, + 1360, + 912, + 1897, + 1754, + 2019, + 1168, + 1909, + 1784, + 399, + 34, + 256, + - 593, + - 304, + - 1053, + 547, + 1694, + 1407, + 647, + - 99, + - 341, + 1492, + 1647, + 1190, + 38, + - 644, + - 212, + 395, + 846, + 222, + - 704, + - 765, + - 716, + - 724, + - 1964, + - 2804, + - 150, + 291, + - 82, + 1233, + 1459, + 1007, + - 140, + - 155, + 153, + 439, + 297, + 1568, + - 1529, + - 410, + - 636, + 1536, + 455, + - 237, + - 1328, + - 139, + - 260, + 531, + 554, + 868, + 269, + 1264, + 606, + - 233, + 883, + 463, + 742, + 600, + - 120, + - 73, + 421, + 212, + - 439, + - 58, + 804, + - 1286, + - 1241, + 728, + 294, + - 490, + 50, + - 591, + - 905, + - 1254, + 42, + - 687, + 147, + - 25, + 273, + 596, + - 311, + 1213, + 601, + - 754, + 849, + 584, + 429, + 607, + 587, + - 602, + - 166, + 461, + - 796, + - 823, + 777, + 1380, + 910, + 1755, + 119, + 1417, + 972, + - 219, + - 880, + - 1596, + - 1049, + - 1010, + 438, + - 713, + - 1379, + 78, + 0, + - 447, + - 1179, + - 1136, + - 1319, + - 1573, + 2248, + 1767, + 1309, + 946, + 1583, + 1432, + 1150, + 482, + 436, + - 469, + - 1108, + 618, + - 447, + - 966, + 1088, + - 1252, + - 1515, + - 114, + - 1104, + - 2008, + - 579, + 210, + 613, + 497, + - 1975, + - 1437, + 642, + - 1269, + - 856, + 1011, + - 1646, + - 1185, + 1063, + - 1555, + - 672, + 1204, + - 1692, + - 1114, + 623, + - 979, + - 1326, + - 1277, + 539, + - 147, + 894, + - 1354, + - 897, + - 434, + 888, + 475, + 428, + 153, + - 384, + 338, + - 1492, + - 511, + 359, + - 974, + - 1115, + - 470, + 105, + - 550, + 677, + - 937, + - 1145, + 877, + 380, + - 260, + 210, + 1685, + 924, + 1256, + 1775, + 1190, + 1095, + 1419, + 631, + 533, + 627, + 299, + - 347, + - 411, + - 534, + 647, + - 650, + 29, + - 595, + - 378, + - 1367, + 1563, + 1402, + 1121, + 1465, + 1089, + 1410, + 648, + - 2096, + - 1090, + - 6, + 311, + - 194, + - 869, + - 639, + - 831, + 416, + - 1162, + - 1224, + 1349, + - 1247, + - 941, + 1813, + - 2193, + - 1987, + 453, + - 619, + - 1367, + - 956, + - 1606, + - 1972, + - 1507, + - 1175, + - 1057, + - 1104, + - 377, + 601, + 201, + 1876, + 825, + 374, + - 430, + - 1323, + 29, + - 1397, + - 1249, + - 1331, + - 1007, + - 1504, + 960, + - 1401, + - 2009, + 197, + - 1379, + - 1949, + - 236, + - 1077, + 123, + 422, + 615, + 1269, + 546, + - 306, + 1526, + 904, + 1194, + 1788, + 1177, + - 626, + - 884, + - 1526, + 199, + 766, + 1504, + - 1065, + 862, + 197, + - 1034, + - 1773, + - 887, + - 800, + 145, + 599, + - 1134, + - 519, + 626, + - 1205, + - 1926, + 500, + - 910, + - 1041, + - 1395, + - 1476, + - 1567, + - 969, + - 523, + 842, + 34, + 1794, + 646, + 862, + - 1207, + - 1888, + - 1002, + - 78, + - 9, + - 672, + 1044, + 759, + 80, + - 600, + 1139, + 1019, + 57, + 2000, + 1422, + - 833, + 1414, + 1121, + - 1202, + 1630, + 1260, + - 461, + 1420, + 1244, + 1537, + 975, + 253, + - 283, + 324, + - 359, + 599, + - 195, + 106, + 588, + 62, + - 587, + - 757, + 645, + 205, + 51, + 1201, + 758, + - 1209, + 673, + - 390, + - 624, + 1581, + 941, + - 151, + 1023, + 735, + 2820, + 1301, + 690, + - 302, + 524, + - 99, + - 900, + - 1588, + - 1189, + 1084, + 251, + 238, + 2014, + 1792, + 1010, + 1245, + 1633, + 1741, + - 1227, + - 1540, + - 1208, + - 621, + 456, + - 109, + 40, + - 65, + 788, + - 805, + - 699, + - 1350, + - 583, + 904, + 832, + - 801, + 532, + 594, + 1972, + 1408, + 1351, + - 1177, + - 1880, + - 2114, + - 773, + 568, + 948, + - 1015, + 1079, + 1260, + - 1111, + 482, + - 130, + 1778, + 1044, + 780, + - 1491, + 245, + 912, + - 316, + - 1141, + - 917, + - 536, + - 1442, + - 2346, + - 785, + - 1546, + - 1988, + - 2003, + 257, + 909, + - 1849, + - 633, + - 1209, + - 1538, + - 1918, + - 1054, + 1606, + 2239, + 1576, + - 567, + - 1500, + - 1544, + - 1279, + 195, + 1369, + - 817, + 293, + 1219, + - 525, + 630, + 1197, + - 1698, + - 2425, + - 1840, + - 303, + 731, + 747, + - 1169, + - 251, + 269, + - 950, + - 75, + 1684, + - 1182, + - 453, + 1005, + - 1599, + 585, + 378, + - 2075, + - 571, + - 427, + - 529, + - 1159, + - 1171, + - 283, + - 205, + - 564, + - 796, + 1246, + 717, + 2277, + 927, + 539, + - 454, + 559, + 440, + - 717, + 1460, + 1615, + - 1030, + 1052, + 1610, + - 1169, + - 138, + 847, + 226, + 39, + - 612, + - 1251, + - 106, + - 729, + - 651, + 968, + 1302, + - 714, + - 636, + 1727, + 353, + 1069, + 410, + - 798, + - 156, + 1099, + - 574, + 918, + 446, + - 1310, + 1012, + 466, + 1408, + 1591, + 765, + 1429, + 1380, + 1757, + 1949, + 1956, + 2378, + 1578, + 2047, + 2148, + 916, + 98, + - 7, + 1893, + 1418, + 2141, + 348, + 1405, + 1579, + 152, + 1134, + 1801, + - 267, + 154, + 1395, + - 1166, + 469, + 1054, + - 1142, + - 405, + - 1073, + - 1341, + - 2264, + - 1581, + - 364, + 869, + 1706, + - 1162, + 549, + 1550, + - 1225, + - 1932, + - 1666, + - 1485, + - 1977, + - 2055, + - 1727, + - 906, + - 98, + - 1897, + 233, + 1492, + 892, + 108, + - 331, + - 1728, + - 1170, + - 1700, + - 1060, + 1980, + 1790, + - 1070, + - 1741, + - 1909, + - 11, + 1539, + 1317, + - 1600, + 94, + 497, + 421, + 443, + - 197, + - 1578, + - 349, + - 994, + - 599, + - 539, + 1140, + - 965, + - 1419, + - 129, + - 1341, + 175, + - 447, + - 375, + 1311, + 2055, + - 371, + - 650, + - 307, + - 1073, + 605, + 365, + - 2057, + - 113, + 430, + 652, + 914, + 967, + - 1012, + - 1586, + - 2323, + 1505, + 1248, + 559, + 262, + - 486, + - 401, + - 1727, + 1342, + 1546, + 50, + 56, + 432, + - 330, + 119, + - 604, + - 1517, + - 1080, + - 810, + 946, + 1127, + 1055, + - 1400, + - 1703, + - 1712, + - 1270, + - 704, + - 1317, + 807, + 1821, + 1143, + 2760, + 1606, + 2171, + 1120, + 409, + - 150, + - 147, + 404, + 959, + 2439, + 1911, + 2189, + - 906, + - 141, + - 866, + - 904, + - 142, + - 458, + - 557, + - 708, + - 1679, + - 830, + - 1431, + - 1583, + - 1842, + - 1346, + - 1086, + - 1604, + - 272, + 915, + - 1196, + 772, + 1056, + - 638, + - 1234, + - 1897, + - 500, + - 81, + - 822, + - 1289, + - 1613, + - 735, + - 117, + 785, + 168, + - 1090, + 1133, + 922, + - 1096, + - 746, + 1384, + 287, + - 547, + - 1063, + - 1376, + - 2201, + - 1204, + - 2176, + - 1570, + - 1757, + - 1511, + - 2241, + - 771, + - 1737, + 1099, + 830, + - 1588, + 724, + 1243, + - 1542, + 693, + 805, + - 1690, + - 240, + 1665, + - 1700, + - 4, + - 668, + 2149, + 816, + 1042, + - 818, + - 1841, + 22, + - 764, + - 507, + 449, + - 1151, + - 617, + 289, + - 843, + - 1596, + - 240, + 498, + - 234, + - 657, + - 752, + 480, + 1678, + - 319, + - 481, + 193, + - 811, + 171, + - 119, + - 2128, + - 202, + - 848, + 1717, + 1140, + 1700 +}; + +/* 3rd LSF quantizer (not in MR122, MR515 and MR475) */ +static const Word32 dico3_lsf_3[] = { + 67, + - 17, + 66, + - 12, + - 1690, + - 581, + - 104, + - 272, + - 1076, + - 1186, + - 1845, + - 376, + - 1140, + - 926, + - 420, + - 58, + - 259, + - 656, + - 1134, + - 553, + 1788, + 1227, + 455, + 129, + 462, + 441, + - 240, + - 528, + 840, + 514, + 130, + - 75, + 1114, + 623, + 153, + 216, + 1068, + 564, + - 6, + - 276, + 1119, + 727, + 190, + - 68, + 704, + 306, + 119, + - 264, + 329, + 61, + - 100, + 156, + 364, + 123, + 183, + - 208, + - 171, + - 123, + 220, + - 65, + - 306, + - 62, + 402, + 17, + - 660, + - 938, + - 266, + 0, + 385, + 235, + 276, + 285, + 320, + 268, + - 336, + - 200, + - 724, + 17, + - 84, + 381, + - 544, + 429, + 494, + 519, + - 117, + 288, + 304, + 329, + 643, + 157, + 701, + 508, + 1200, + 625, + 796, + 608, + 998, + 421, + 492, + 632, + 1204, + 780, + 446, + 132, + 1257, + 844, + 547, + 449, + 829, + 658, + 541, + 470, + 1132, + 1258, + 918, + 639, + 547, + 51, + 423, + 279, + 9, + 392, + 83, + 94, + 542, + 543, + 229, + - 147, + - 198, + 129, + 194, + - 185, + - 863, + - 1321, + - 302, + 30, + - 597, + - 629, + - 19, + 114, + - 900, + - 1081, + 466, + 353, + - 1483, + - 1573, + 15, + - 143, + - 1708, + - 2059, + - 751, + 196, + - 1876, + - 2067, + - 642, + - 258, + - 2335, + - 1470, + - 450, + - 564, + - 584, + - 186, + - 872, + - 414, + - 1805, + - 988, + - 1125, + - 1310, + - 726, + - 1129, + 28, + 169, + - 1039, + - 864, + - 718, + - 246, + 484, + 36, + - 233, + - 49, + 265, + 67, + 289, + 467, + 178, + 543, + 810, + 540, + 84, + 282, + 672, + 703, + - 975, + - 777, + 129, + 287, + - 938, + - 227, + 955, + 595, + - 1617, + - 289, + 836, + 649, + - 1847, + - 215, + 1106, + 718, + - 2034, + - 1085, + 650, + 440, + - 2101, + - 529, + 907, + 575, + - 2011, + - 336, + 670, + 204, + - 2389, + - 692, + 360, + 137, + - 2156, + - 2204, + - 9, + 280, + - 266, + 119, + 39, + 193, + 78, + - 59, + - 120, + 226, + - 975, + - 858, + - 781, + - 1095, + - 619, + - 413, + - 451, + - 842, + - 1216, + - 1321, + - 813, + - 883, + - 1376, + - 1615, + - 394, + - 428, + - 737, + - 1113, + - 549, + - 790, + - 880, + - 975, + - 967, + - 642, + - 985, + - 886, + - 1273, + - 1361, + - 473, + - 804, + - 1401, + - 1407, + 160, + - 265, + - 919, + - 275, + - 248, + - 250, + - 718, + - 380, + 97, + - 103, + - 375, + - 229, + - 415, + - 193, + - 135, + - 555, + 628, + 361, + 119, + 216, + 579, + 364, + 391, + 209, + 634, + 522, + - 154, + - 148, + 526, + 389, + 170, + 33, + 105, + 267, + 64, + 380, + - 1503, + - 1000, + - 30, + - 369, + - 1070, + 58, + 647, + 223, + - 1520, + - 291, + 621, + 307, + - 1531, + 156, + 762, + 404, + - 2029, + 141, + 734, + 499, + - 1849, + - 650, + 306, + 512, + - 187, + - 104, + - 59, + 438, + 134, + - 230, + 156, + - 186, + - 61, + - 260, + - 16, + 10, + - 569, + - 3, + - 421, + - 297, + - 1725, + - 521, + - 346, + 178, + - 1362, + - 59, + - 44, + 157, + - 2146, + - 461, + - 470, + - 349, + - 2170, + - 1, + - 369, + - 121, + - 1579, + - 373, + - 900, + - 1015, + - 1117, + - 591, + - 613, + - 784, + - 561, + 122, + - 75, + - 449, + - 4, + - 171, + - 123, + - 372, + 192, + 168, + - 76, + - 132, + 252, + - 107, + 340, + 210, + 392, + 509, + 272, + 181, + - 109, + 145, + 218, + 119, + - 416, + - 263, + 485, + 265, + - 181, + - 8, + - 286, + 226, + - 244, + - 218, + 69, + - 290, + - 158, + 191, + - 1, + - 64, + - 592, + - 90, + 213, + - 96, + 255, + 435, + 178, + - 80, + - 369, + - 18, + - 33, + - 80, + - 42, + 415, + 140, + - 222, + 1143, + 651, + 649, + 329, + 767, + 556, + 249, + 235, + 948, + 413, + 442, + 279, + 141, + 339, + 356, + 557, + - 470, + - 170, + 99, + 237, + - 569, + - 800, + 352, + 565, + 282, + 473, + 470, + 332, + - 199, + - 690, + - 1284, + - 917, + - 193, + - 426, + - 800, + - 1122, + - 26, + - 371, + - 490, + - 193, + 637, + 595, + 519, + 330, + 408, + - 115, + 79, + 12, + 477, + 87, + - 103, + - 376, + - 666, + - 347, + - 277, + - 291, + - 510, + - 481, + 169, + 297, + - 829, + - 738, + - 205, + - 171, + - 320, + - 540, + 328, + 283, + - 859, + - 958, + 442, + - 2, + 556, + 686, + 130, + 56, + 1383, + 1012, + 755, + 427, + 612, + 741, + 628, + 553, + - 339, + - 796, + 134, + 277, + - 633, + - 1085, + - 2, + - 246, + - 880, + - 1035, + - 1607, + - 1064, + - 994, + - 474, + - 1138, + - 488, + - 414, + - 795, + 73, + - 206, + - 8, + - 139, + 439, + 204, + - 176, + - 578, + 23, + 131, + - 269, + - 757, + - 191, + 245, + - 109, + - 338, + 112, + 316, + 120, + - 406, + - 118, + 611, + - 180, + - 186, + - 645, + 115, + - 173, + 34, + - 518, + - 489, + - 151, + 61, + - 583, + - 844, + 220, + - 138, + - 681, + - 1020, + 391, + - 17, + - 598, + - 321, + 157, + - 295, + 129, + 155, + - 926, + - 875, + - 987, + 285, + 241, + - 83, + - 125, + - 125, + 620, + 597, + 432, + 92, + 393, + 78, + 409, + 61, + - 393, + - 739, + - 413, + - 748, + 83, + 54, + 361, + 27, + - 1084, + 130, + - 337, + - 694, + - 1565, + 297, + 318, + - 19, + - 1873, + 36, + 51, + - 317, + - 2323, + - 246, + 231, + - 84, + - 2306, + - 783, + 40, + - 179, + - 2233, + - 930, + - 474, + - 462, + - 754, + - 86, + - 288, + - 626, + - 2411, + - 455, + - 63, + 171, + - 1099, + - 1094, + - 26, + - 143, + - 1193, + - 455, + - 406, + - 381, + - 605, + - 210, + - 96, + - 51, + - 580, + - 476, + - 276, + - 15, + - 1195, + - 634, + - 1203, + - 881, + - 378, + - 221, + - 669, + - 952, + 594, + 178, + - 403, + - 676, + 763, + 327, + 601, + 290, + 172, + 300, + 203, + 157, + - 56, + - 336, + 356, + 24, + - 228, + - 296, + - 259, + - 29, + - 186, + 263, + 416, + 14, + - 353, + 373, + - 12, + - 216, + 257, + 96, + 174, + 57, + - 1526, + - 616, + - 954, + - 499, + - 497, + - 152, + - 333, + 125, + 105, + 200, + 179, + - 97, + - 331, + - 224, + 765, + 697, + 760, + 256, + 301, + 59, + 455, + - 85, + 204, + 288, + - 514, + 240, + 251, + - 109, + 256, + 417, + - 34, + - 413, + 101, + 430, + 384, + 156, + - 31, + - 10, + 206, + 426, + 589, + 145, + 143, + 71, + 808, + 906, + 333, + 349, + 986, + 938, + 589, + 331, + 1300, + 824, + 187, + 509, + 1062, + 653, + 379, + 466, + 1462, + 937, + 401, + 274, + 787, + 861, + 265, + 2, + 609, + 553, + 28, + 305, + 926, + 340, + 106, + 386, + 241, + - 267, + - 147, + 225, + - 178, + - 534, + 347, + 502, + - 643, + - 381, + 397, + 30, + - 651, + - 733, + - 435, + 398, + - 407, + - 726, + - 484, + - 248, + - 789, + - 914, + - 438, + - 476, + - 498, + - 390, + 75, + - 295, + - 964, + - 590, + - 606, + 150, + - 121, + - 49, + - 155, + - 78, + 935, + 550, + 389, + 38, + - 321, + 127, + 424, + 315, + - 285, + - 113, + 283, + 259, + 658, + 203, + 322, + 486, + 903, + 505, + 748, + 417, + 611, + 423, + 555, + 512, + 239, + - 83, + - 578, + - 19, + - 339, + - 731, + 349, + 13, + - 934, + - 1399, + - 114, + - 360, + 107, + 692, + 182, + 90, + - 1243, + - 1538, + - 1551, + - 725, + - 568, + - 903, + - 1363, + - 525, + - 517, + - 853, + - 861, + - 1004, + - 168, + - 690, + - 835, + 63, + - 137, + - 556, + - 547, + 144, + - 286, + - 817, + 485, + 319, + - 147, + - 408, + 526, + 246, + - 347, + - 434, + 297, + - 28, + - 290, + - 471, + - 1110, + - 1285, + - 460, + - 359, + - 988, + - 794, + 1347, + 1299, + 690, + 523, + 1216, + 1068, + 1094, + 757, + 825, + 1140, + 752, + 494, + 1252, + 1365, + 1195, + 898, + 521, + 1053, + 532, + 432, + - 334, + - 216, + - 313, + - 263, + - 160, + 52, + - 472, + - 155, + 127, + 136, + - 380, + 44, + 851, + 410, + - 162, + - 489, + 123, + - 255, + - 796, + - 667, + 1090, + 917, + 789, + 493, + 1397, + 1197, + 558, + 202, + - 51, + - 118, + - 342, + - 701, + 83, + 108, + - 42, + - 441, + 61, + 95, + 287, + 256, + - 27, + 89, + 524, + 531, + 351, + 227, + 592, + 545, + 697, + 155, + - 164, + 307, + 638, + 274, + - 489, + - 50, + 754, + 240, + - 166, + - 124, + - 116, + - 579, + - 1212, + - 63, + 190, + - 295, + - 1040, + - 1296, + 147, + - 376, + - 177, + - 113, + 841, + 1241, + 1051, + 668, + 2, + 293, + 551, + 304, + - 1096, + - 953, + - 248, + 376, + - 750, + - 965, + 87, + 516, + - 275, + - 516, + 689, + 391, + - 379, + - 643, + 876, + 594, + - 390, + - 1013, + - 645, + 573, + - 107, + - 568, + - 689, + - 826, + - 1025, + - 27, + - 328, + - 203, + 861, + 749, + 548, + 233, + - 1660, + - 1043, + 451, + 108, + - 660, + - 620, + 430, + 236, + 21, + - 396, + - 1158, + - 631, + 1372, + 1298, + 967, + 577, + 1125, + 1125, + 589, + 454, + - 323, + - 865, + - 467, + 153, + - 468, + - 699, + - 804, + - 509, + - 392, + - 718, + - 204, + - 35, + - 603, + - 1093, + - 567, + - 162, + - 505, + - 1004, + - 102, + 350, + 219, + 224, + 423, + 252, + 395, + 591, + 608, + 363, + - 746, + - 96, + 373, + 172, + 171, + 295, + 714, + 339, + 233, + 77, + 107, + 277, + 157, + 153, + - 499, + - 356, + 1547, + 1073, + 576, + 494, + - 292, + - 339, + - 504, + - 592, + - 903, + - 72, + - 619, + - 481, + - 1594, + - 1117, + - 567, + - 254, + - 793, + - 507, + - 564, + - 291, + - 492, + - 532, + 502, + 560, + - 382, + 427, + 600, + 230, + - 227, + 477, + 251, + 75, + 285, + 842, + 813, + 476, + - 1310, + - 1333, + 186, + 377, + - 587, + - 917, + 643, + 381, + - 1186, + - 553, + 411, + 82, + - 1127, + - 820, + - 174, + - 540, + - 604, + 119, + 543, + 205, + - 380, + 657, + 909, + 567, + 112, + - 298, + - 374, + 114, + - 857, + - 251, + 56, + 159, + 401, + 345, + - 34, + - 140, + - 111, + - 607, + 41, + 614, + 355, + - 114, + - 77, + 474, + 578, + 56, + 1450, + 924, + 1098, + 1420, + 741, + 400, + 246, + 22, + 588, + 313, + - 121, + 327, + 831, + 472, + - 1138, + - 608, + 856, + 552, + - 1241, + - 1072, + 638, + 600, + - 358, + 254, + - 333, + - 303, + - 646, + 739, + 358, + 74, + 1226, + 1671, + 1221, + 849, + 2241, + 1624, + 983, + 636, + 1841, + 1477, + 749, + 384, + 350, + 263, + 87, + 128, + - 1902, + - 941, + - 144, + - 64, + - 1734, + - 255, + 288, + - 31, + - 2644, + - 1238, + 366, + 235, + - 1643, + - 1092, + - 1344, + - 304, + - 541, + - 1075, + - 1116, + 123, + - 1178, + - 252, + - 816, + - 180, + - 1016, + 533, + 565, + 233, + - 487, + - 430, + - 188, + 334, + 867, + 1236, + 534, + 171, + - 1590, + - 1607, + 635, + 630, + - 2196, + 310, + 924, + 412, + - 2358, + - 328, + 956, + 529, + - 2639, + - 377, + 630, + 278, + - 2602, + 317, + 799, + 299, + - 2406, + 133, + 340, + 31, + - 2156, + - 1468, + 131, + 125, + - 1184, + - 490, + - 139, + 46, + - 744, + 447, + 891, + 564, + 67, + - 451, + 646, + 604, + - 553, + - 429, + - 876, + 396, + 162, + - 66, + 1305, + 915, + 479, + 579, + 1088, + 794, + 450, + 278, + 566, + 324, + - 1057, + - 154, + 148, + - 177, + - 2545, + 168, + 1070, + 592, + - 2351, + - 42, + 819, + 345, + - 2344, + - 707, + 721, + 250, + - 2175, + - 1497, + - 309, + 122, + - 78, + - 73, + 120, + 173, + - 4, + 262, + - 263, + - 261, + - 431, + - 64, + - 405, + - 732, + - 2609, + 116, + - 83, + - 193, + - 1525, + - 944, + - 477, + - 725, + - 508, + 307, + 170, + 172, + 832, + 417, + 832, + 686, + - 225, + 177, + 894, + 818, + - 482, + - 389, + 1279, + 1039, + - 383, + 201, + - 350, + 40, + 730, + 635, + 226, + 526, + 503, + 462, + 338, + 398, + 535, + 714, + 40, + - 282, + 1482, + 1471, + 1085, + 731, + 1561, + 1072, + 909, + 693, + 1419, + 1282, + 889, + 879, + 1153, + 728, + 1186, + 840, + - 226, + 1130, + 949, + 689, + - 494, + - 986, + - 1556, + - 128, + - 568, + - 721, + - 713, + - 26, + 317, + 524, + 70, + 135, + - 405, + - 865, + - 1766, + - 652, + - 174, + - 801, + 885, + 773, + - 153, + - 91, + 1099, + 751, + - 506, + - 1149, + 853, + 646, + 241, + 782, + 519, + 539, + 1853, + 1700, + 1101, + 684, + - 1249, + - 1486, + - 464, + 188, + - 893, + - 1409, + - 1312, + - 341, + - 135, + 438, + - 175, + 18, + 1111, + 976, + 319, + 208, + - 1430, + - 1768, + 83, + 458, + - 530, + - 1000, + 307, + 129, + - 840, + - 15, + - 29, + - 356, + - 911, + - 924, + - 1147, + - 242, + - 119, + - 528, + 127, + - 133, + - 761, + - 765, + 190, + - 83, + - 315, + 895, + 522, + 231, + - 222, + 102, + - 63, + - 428, + 316, + 699, + 379, + 70, + 25, + 716, + 314, + - 108, + 507, + 874, + 566, + 238, + 108, + 941, + 519, + 195, + 425, + - 60, + - 427, + 257, + 139, + - 103, + - 630, + 446, + 334, + 370, + 412, + 48, + - 172, + - 690, + - 283, + 557, + 187, + - 286, + 158, + 483, + 140, + 270, + - 344, + - 631, + 924, + 579, + - 116, + 132, + 142, + 466, + - 68, + - 64, + 230, + - 145, + - 302, + - 542, + - 803, + - 912, + 1018, + 737, + - 773, + 1015, + 630, + 297, + - 2596, + 95, + 445, + 336, + - 2122, + 491, + 510, + 191, + - 1253, + 161, + - 2, + - 324, + - 1450, + - 633, + - 712, + - 105, + - 842, + - 254, + - 411, + 100, + - 640, + - 290, + 1010, + 763, + - 650, + 313, + 1169, + 730, + 140, + 505, + 1030, + 766, + 772, + 287, + 1067, + 823, + 495, + 749, + 305, + 323, + - 164, + 462, + 78, + 399, + - 342, + - 874, + 69, + 597, + - 16, + 620, + 621, + 337, + - 138, + - 444, + - 265, + 218, + 84, + - 450, + 953, + 666, + - 222, + - 803, + 541, + 604, + - 921, + - 1376, + 244, + 116, + - 841, + - 723, + 630, + 588, + 140, + 663, + 294, + 368, + 935, + 1046, + 881, + 759, + 1746, + 1464, + 916, + 628, + 436, + 963, + 281, + 1, + - 119, + 74, + 542, + 213, + 1, + - 567, + 301, + 241, + 260, + 435, + 222, + 396, + 936, + 957, + 1108, + 703, + 510, + 506, + 808, + 478, + 601, + 694, + 960, + 620, + 972, + 741, + 980, + 600, + 834, + 717, + 767, + 684, + 643, + 972, + 935, + 638, + 501, + 661, + 720, + 851, + - 105, + - 632, + - 303, + - 117, + - 429, + 130, + 789, + 442, + - 522, + - 188, + 704, + 373, + - 759, + 42, + 814, + 523, + - 531, + - 1137, + 373, + 578, + - 682, + - 1203, + - 455, + 285, + - 1163, + - 1577, + - 1098, + 44, + 81, + - 82, + 712, + 363, + 477, + 246, + 954, + 622, + 1604, + 1622, + 1277, + 891, + 1409, + 859, + 924, + 892, + 774, + 1041, + 947, + 1142, + 40, + - 546, + - 75, + 288, + - 616, + - 106, + - 697, + - 26, + - 169, + - 160, + - 891, + - 739, + - 279, + - 384, + - 1029, + - 350, + 1781, + 1308, + 1046, + 816, + 1580, + 1533, + 1472, + 1178, + 1505, + 1076, + 1216, + 899, + 890, + 904, + 564, + 654, + 920, + 692, + 1021, + 856, + - 493, + 132, + 177, + 505, + 71, + 195, + - 28, + 97, + 456, + 351, + - 164, + 88, + 439, + 278, + - 40, + 350, + 1395, + 949, + 234, + - 95, + - 805, + - 472, + 38, + - 163, + 367, + - 98, + 489, + 523, + 1025, + 1178, + 1212, + 906, + 319, + 1314, + 814, + 461, + - 123, + - 543, + - 804, + 447, + - 748, + - 324, + - 897, + - 1127, + - 737, + - 501, + - 789, + - 713, + 715, + 777, + 1239, + 922, + 1949, + 1939, + 1368, + 865, + 730, + 880, + 758, + 388, + - 871, + 454, + 17, + - 251, + - 381, + - 810, + - 1583, + 239, + - 521, + - 966, + - 792, + 259, + - 890, + - 1358, + - 770, + - 73, + 166, + 349, + - 212, + 323, + - 840, + - 301, + 473, + 435, + - 679, + - 464, + 728, + 351, + - 156, + - 199, + 667, + 432, + 29, + - 252, + 415, + 480, + - 731, + - 379, + 145, + 559, + - 528, + - 631, + - 1158, + - 159, + 445, + 273, + 123, + 639, + 373, + - 126, + 800, + 568, + 84, + - 162, + 720, + 712, + - 830, + - 536, + - 185, + 222, + 408, + 452, + 501, + 771, + - 897, + - 1355, + - 67, + 442, + - 792, + - 1406, + 566, + 602, + 167, + - 326, + 509, + 330, + - 95, + - 626, + - 730, + - 344, + 1668, + 1217, + 779, + 455, + 1316, + 828, + 584, + 719, + 404, + - 31, + 1013, + 789, + 89, + 107, + 891, + 549, + 871, + 1581, + 917, + 671, + 866, + 1479, + 1289, + 854, + 391, + 1068, + 1122, + 812, + 78, + - 562, + 345, + 563, + 429, + - 103, + 417, + 787, + - 122, + - 437, + 411, + 788, + - 913, + - 417, + 602, + 754, + - 226, + - 16, + 151, + 760, + - 700, + 118, + - 104, + - 14, + - 1128, + 48, + 284, + 393, + - 390, + - 419, + - 639, + - 116, + - 910, + 306, + 316, + - 13, + 1207, + 984, + 821, + 669, + - 1195, + - 693, + 140, + - 213, + - 884, + - 416, + - 199, + - 558, + - 616, + 245, + - 404, + - 664, + 262, + 56, + - 617, + - 724, + - 85, + - 491, + - 320, + - 656, + - 570, + - 831, + - 129, + - 528, + - 1506, + - 63, + - 367, + - 385, + - 358, + - 321, + 4, + 51, + - 366, + - 214, + 319, + 511, + 146, + 671, + - 17, + - 291, + - 110, + 464, + - 139, + - 496, + - 202, + 220, + - 312, + - 631, + - 660, + - 73, + - 655, + - 820, + - 662, + - 653, + - 1288, + - 857, + - 430, + - 953, + - 959, + - 264, + - 49, + - 468, + - 72, + - 381, + - 350, + - 563, + - 193, + - 407, + 55, + - 408, + - 803, + 11, + - 309, + 649, + 188, + - 198, + - 512, + 461, + - 79, + - 458, + - 1318, + - 263, + - 134, + - 523, + - 1657, + - 435, + - 495, + - 765, + 57, + - 347, + - 414, + 434, + - 1141, + - 242, + - 664, + - 857, + 34, + - 68, + - 707, + - 338 +}; +#define MR515_3_SIZE 128 + +/* 3rd LSF quantizer (MR515 and MR475) */ +static const Word32 mr515_3_lsf[] = { + 419, + 163, + - 30, + - 262, + - 455, + - 789, + - 1430, + - 721, + 1006, + 664, + 269, + 25, + 619, + 260, + 183, + 96, + - 968, + - 1358, + - 388, + 135, + - 693, + 835, + 456, + 154, + 1105, + 703, + 569, + 363, + 1625, + 1326, + 985, + 748, + - 220, + 219, + 76, + - 208, + - 1455, + - 1662, + 49, + 149, + - 964, + - 172, + - 752, + - 336, + 625, + 209, + - 250, + - 66, + - 1017, + - 838, + - 2, + 317, + - 2168, + - 1485, + - 138, + 123, + - 1876, + - 2099, + - 521, + 85, + - 967, + - 366, + - 695, + - 881, + - 921, + - 1011, + - 763, + - 949, + - 124, + - 256, + - 352, + - 660, + 178, + 463, + 354, + 304, + - 1744, + - 591, + - 282, + 79, + - 2249, + 175, + 867, + 499, + - 138, + - 180, + - 181, + - 21, + - 2291, + - 1241, + - 460, + - 520, + - 771, + 451, + - 10, + - 308, + 271, + - 65, + 4, + 214, + - 279, + - 435, + - 43, + - 348, + - 670, + 35, + - 65, + - 211, + 806, + 535, + 85, + 297, + 57, + 239, + 722, + 493, + 225, + 661, + 840, + 547, + - 540, + - 376, + 14, + 349, + 469, + 721, + 331, + 162, + - 544, + - 752, + - 62, + - 10, + 398, + - 88, + 724, + 701, + - 19, + - 533, + - 94, + 601, + 136, + - 71, + - 681, + - 747, + - 166, + - 344, + 261, + - 50, + 161, + - 52, + 485, + 337, + - 1675, + 50, + 190, + - 93, + - 2282, + - 231, + - 194, + - 82, + - 95, + - 595, + - 154, + 128, + 894, + 501, + 588, + 457, + - 345, + 206, + 122, + 110, + - 631, + - 227, + - 569, + 3, + 408, + 239, + 397, + 226, + - 197, + - 2, + 128, + 491, + 1281, + 904, + 292, + 215, + 538, + 306, + 259, + 509, + - 677, + - 1047, + 13, + 321, + - 679, + - 588, + - 358, + - 212, + - 558, + 243, + 646, + 479, + 486, + 342, + 634, + 532, + 107, + 802, + 331, + 136, + - 112, + - 398, + - 1031, + - 286, + - 326, + - 705, + 288, + 272, + 1299, + 1144, + 1178, + 860, + - 423, + 121, + - 385, + - 148, + - 295, + - 302, + - 834, + - 819, + 16, + - 24, + - 201, + - 476, + 555, + 91, + - 245, + 294, + - 38, + - 379, + - 962, + - 1221, + - 1191, + - 1518, + - 273, + - 395, + - 390, + - 1013, + - 645, + 573, + - 1843, + - 1030, + 505, + 468, + 744, + 947, + 609, + 493, + - 689, + - 1172, + - 628, + - 135, + - 1026, + 195, + 411, + 196, + 1582, + 1147, + 575, + 337, + - 1239, + - 777, + - 648, + - 142, + 595, + 825, + 967, + 735, + - 1206, + - 970, + - 81, + - 342, + - 745, + 13, + - 72, + 375, + 454, + 19, + 1407, + 921, + - 1647, + - 172, + 861, + 562, + 928, + 1537, + 1063, + 740, + - 2472, + - 952, + 264, + 82, + - 502, + - 965, + - 1334, + 123, + 867, + 1236, + 534, + 171, + - 2320, + - 460, + 780, + 363, + - 1190, + - 617, + 252, + - 61, + - 174, + 34, + 1011, + 788, + - 2333, + 247, + 423, + 153, + - 16, + - 355, + 262, + 449, + - 1576, + - 1073, + - 544, + - 371, + - 615, + - 305, + 1051, + 805, + 687, + 528, + 6, + - 182, + 935, + 875, + 1002, + 809, + 199, + 257, + 126, + 76, + - 584, + - 1138, + 599, + 556, + - 1105, + - 1391, + - 1591, + - 519, + - 977, + - 1325, + 108, + 347, + - 722, + - 975, + 365, + 101, + - 145, + 681, + 249, + - 153, + 0, + - 334, + - 570, + 159, + 412, + 285, + - 336, + - 617, + - 953, + - 966, + 887, + 689, + - 1251, + 84, + - 185, + - 398, + - 592, + 433, + 1044, + 653, + 85, + 329, + - 40, + 361, + - 433, + - 705, + 466, + 574, + - 154, + 654, + 592, + 290, + - 167, + 72, + 349, + 175, + 674, + 297, + 977, + 720, + 1235, + 1204, + 757, + 488, + - 400, + - 269, + 538, + 372, + - 1350, + - 1387, + - 1194, + - 91, + 1262, + 876, + 775, + 700, + - 599, + - 38, + - 430, + - 722, + 1976, + 1630, + 991, + 608, + 111, + 276, + - 226, + - 96, + - 947, + - 388, + - 11, + - 7, + - 303, + - 531, + - 839, + 338, + 1734, + 1710, + 1405, + 1013, + - 516, + - 855, + - 645, + 210, + - 688, + - 416, + 513, + 230, + - 822, + - 637, + - 1146, + - 320, + - 952, + - 658, + - 694, + 183, + - 114, + - 623, + 818, + 674, + - 191, + - 204, + 731, + 635, + 51, + 1221, + 883, + 576, + - 954, + - 431, + 826, + 598, + - 342, + - 755, + - 900, + - 407, + - 1126, + - 354, + - 206, + - 512, + - 547, + - 810, + - 357, + - 620, + 66, + 515, + - 73, + - 410, + - 872, + - 945, + - 1444, + - 1227, + 191, + - 17, + - 544, + - 231, + - 1540, + - 544, + - 901, + - 886 +}; +#define MR795_1_SIZE 512 + +/* 1st LSF quantizer (MR795) */ +static const Word32 mr795_1_lsf[] = { + - 890, + - 1550, + - 2541, + - 819, + - 970, + 175, + - 826, + - 1234, + - 762, + - 599, + - 22, + 634, + - 811, + - 987, + - 902, + - 323, + 203, + 26, + - 383, + - 235, + - 781, + - 399, + 1262, + 906, + - 932, + - 1399, + - 1380, + - 624, + 93, + 87, + - 414, + - 539, + - 691, + 37, + 633, + 510, + - 387, + - 476, + - 1330, + 399, + 66, + 263, + - 407, + - 49, + - 335, + - 417, + 1041, + 1865, + - 779, + - 1089, + - 1440, + - 746, + - 858, + 832, + - 581, + - 759, + - 371, + - 673, + - 506, + 2088, + - 560, + - 634, + - 1179, + 271, + 241, + 14, + - 438, + - 244, + - 397, + 463, + 1202, + 1047, + - 606, + - 797, + - 1438, + - 51, + - 323, + 481, + - 224, + - 584, + - 527, + 494, + 881, + 682, + - 433, + - 306, + - 1002, + 554, + 659, + 222, + 171, + - 160, + - 353, + 681, + 1798, + 1565, + - 852, + - 1181, + - 1695, + - 336, + - 666, + 114, + - 581, + - 756, + - 744, + - 195, + 375, + 497, + - 465, + - 804, + - 1098, + 154, + 282, + - 131, + - 50, + - 191, + - 719, + 323, + 732, + 1542, + - 722, + - 819, + - 1404, + 105, + - 250, + 185, + - 178, + - 502, + - 742, + 321, + 510, + 1111, + - 323, + - 567, + - 966, + 127, + 484, + 338, + - 160, + 52, + - 338, + 732, + 1367, + 1554, + - 626, + - 802, + - 1696, + - 286, + - 586, + 676, + - 695, + - 343, + - 370, + - 490, + 295, + 1893, + - 630, + - 574, + - 1014, + - 80, + 645, + - 69, + - 6, + - 318, + - 364, + 782, + 1450, + 1038, + - 313, + - 733, + - 1395, + 120, + 60, + 477, + - 264, + - 585, + - 123, + 711, + 1245, + 633, + - 91, + - 355, + - 1016, + 771, + 758, + 261, + 253, + 81, + - 474, + 930, + 2215, + 1720, + - 808, + - 1099, + - 1925, + - 560, + - 782, + 169, + - 804, + - 1074, + - 188, + - 626, + - 55, + 1405, + - 694, + - 716, + - 1194, + - 660, + 354, + 329, + - 514, + - 55, + - 543, + 366, + 1033, + 1182, + - 658, + - 959, + - 1357, + - 55, + - 184, + 93, + - 605, + - 286, + - 662, + 404, + 449, + 827, + - 286, + - 350, + - 1263, + 628, + 306, + 227, + - 16, + 147, + - 623, + 186, + 923, + 2146, + - 674, + - 890, + - 1606, + - 443, + - 228, + 339, + - 369, + - 790, + - 409, + 231, + 86, + 1469, + - 448, + - 581, + - 1061, + 594, + 450, + - 177, + - 124, + - 170, + - 447, + 671, + 1159, + 1404, + - 476, + - 667, + - 1511, + - 77, + - 138, + 716, + - 177, + - 372, + - 381, + 451, + 934, + 915, + - 250, + - 432, + - 822, + 272, + 828, + 446, + 26, + 19, + - 31, + 698, + 1692, + 2168, + - 646, + - 977, + - 1924, + - 179, + - 473, + 268, + - 379, + - 745, + - 691, + 11, + 127, + 1033, + - 488, + - 917, + - 825, + 61, + 323, + 135, + 147, + - 145, + - 686, + 685, + 786, + 1682, + - 506, + - 848, + - 1297, + 35, + 90, + 222, + - 23, + - 346, + - 670, + 455, + 591, + 1287, + - 203, + - 593, + - 1086, + 652, + 352, + 437, + 39, + 63, + - 457, + 841, + 1265, + 2105, + - 520, + - 882, + - 1584, + - 328, + - 711, + 1421, + - 596, + - 342, + - 70, + 209, + 173, + 1928, + - 423, + - 598, + - 921, + 421, + 605, + - 38, + - 2, + - 245, + - 127, + 896, + 1969, + 1135, + - 379, + - 518, + - 1579, + 173, + 118, + 753, + - 55, + - 381, + - 52, + 985, + 1021, + 753, + - 2, + - 291, + - 891, + 753, + 992, + 423, + 264, + 131, + - 196, + 895, + 2274, + 2543, + - 635, + - 1088, + - 2499, + - 529, + - 982, + 526, + - 764, + - 830, + - 548, + - 436, + 316, + 599, + - 675, + - 940, + - 746, + - 57, + 236, + - 11, + - 201, + - 81, + - 798, + 16, + 845, + 1558, + - 737, + - 985, + - 1212, + - 468, + 17, + 290, + - 279, + - 584, + - 700, + 183, + 822, + 705, + - 265, + - 492, + - 1187, + 421, + 152, + 468, + - 390, + 166, + - 268, + 39, + 1550, + 1868, + - 635, + - 966, + - 1571, + - 453, + - 492, + 910, + - 284, + - 1027, + - 75, + - 181, + - 133, + 1852, + - 445, + - 624, + - 1174, + 420, + 367, + - 49, + - 389, + - 212, + - 169, + 707, + 1073, + 1208, + - 539, + - 710, + - 1449, + 83, + - 163, + 484, + - 236, + - 543, + - 355, + 338, + 1175, + 814, + - 246, + - 309, + - 958, + 606, + 760, + 60, + 166, + - 8, + - 163, + - 306, + 1849, + 2563, + - 747, + - 1025, + - 1783, + - 419, + - 446, + 209, + - 718, + - 566, + - 534, + - 506, + 693, + 857, + - 463, + - 697, + - 1082, + 325, + 431, + - 206, + - 15, + - 8, + - 763, + 545, + 919, + 1518, + - 611, + - 783, + - 1313, + 256, + - 55, + 208, + - 165, + - 348, + - 662, + 321, + 680, + 930, + - 326, + - 429, + - 951, + 484, + 446, + 570, + - 197, + 72, + - 73, + 909, + 1455, + 1741, + - 563, + - 737, + - 1974, + - 124, + - 416, + 718, + - 478, + - 404, + - 314, + - 16, + 446, + 1636, + - 551, + - 537, + - 750, + - 58, + 638, + 214, + 55, + - 185, + - 271, + 1148, + 1301, + 1212, + - 483, + - 671, + - 1264, + 117, + 285, + 543, + - 204, + - 391, + - 111, + 513, + 1538, + 854, + - 114, + - 190, + - 978, + 877, + 595, + 464, + 260, + 260, + - 311, + 748, + 2283, + 2216, + - 517, + - 945, + - 2171, + - 326, + - 708, + 378, + - 812, + - 691, + - 232, + - 560, + 687, + 1409, + - 732, + - 690, + - 836, + - 359, + 645, + 386, + - 265, + 62, + - 678, + 145, + 1644, + 1208, + - 555, + - 988, + - 1233, + - 78, + 14, + 114, + - 327, + - 358, + - 489, + 392, + 677, + 697, + - 201, + - 236, + - 1140, + 693, + 449, + 178, + - 243, + 256, + - 433, + 611, + 1385, + 2456, + - 612, + - 901, + - 1464, + - 307, + - 17, + 499, + - 315, + - 667, + - 254, + 256, + 428, + 1463, + - 486, + - 422, + - 1056, + 655, + 370, + 18, + - 102, + - 185, + - 276, + 755, + 1578, + 1335, + - 488, + - 603, + - 1418, + 182, + - 93, + 870, + - 73, + - 458, + - 348, + 835, + 862, + 957, + - 282, + - 333, + - 746, + 547, + 839, + 428, + 273, + - 89, + 13, + 940, + 1708, + 2576, + - 418, + - 1084, + - 1758, + - 44, + - 358, + 259, + - 497, + - 643, + - 560, + 99, + 557, + 961, + - 421, + - 766, + - 917, + 295, + 326, + 184, + 175, + 15, + - 626, + 532, + 878, + 1981, + - 443, + - 768, + - 1275, + 221, + 156, + 268, + 39, + - 363, + - 505, + 695, + 772, + 1140, + - 162, + - 459, + - 912, + 709, + 444, + 658, + 25, + 303, + - 312, + 1268, + 1410, + 1715, + - 297, + - 766, + - 1836, + - 263, + - 108, + 1070, + - 406, + - 13, + - 129, + 57, + 438, + 2734, + - 374, + - 487, + - 835, + 304, + 696, + 164, + 104, + - 235, + 5, + 1611, + 1900, + 1399, + - 229, + - 582, + - 1325, + 405, + 192, + 817, + - 87, + - 438, + 111, + 1028, + 1199, + 993, + 68, + - 175, + - 934, + 1033, + 1117, + 451, + 478, + 200, + - 248, + 2127, + 2696, + 2042, + - 835, + - 1323, + - 2131, + - 799, + - 692, + 466, + - 812, + - 1032, + - 469, + - 622, + 288, + 920, + - 701, + - 841, + - 1070, + - 411, + 512, + 8, + - 390, + - 91, + - 744, + - 30, + 1043, + 1161, + - 822, + - 1148, + - 1156, + - 294, + - 46, + 110, + - 411, + - 374, + - 678, + 214, + 531, + 668, + - 406, + - 420, + - 1194, + 487, + 232, + 303, + - 318, + 91, + - 472, + 123, + 1232, + 2445, + - 722, + - 952, + - 1495, + - 738, + - 675, + 1332, + - 543, + - 606, + - 211, + - 95, + - 98, + 1508, + - 549, + - 514, + - 1193, + 473, + 211, + 73, + - 288, + - 112, + - 389, + 537, + 1332, + 1258, + - 567, + - 755, + - 1545, + 71, + - 283, + 632, + - 170, + - 481, + - 493, + 681, + 1002, + 817, + - 356, + - 331, + - 877, + 419, + 706, + 346, + 241, + - 34, + - 326, + 377, + 1950, + 1883, + - 727, + - 1075, + - 1625, + - 233, + - 543, + 116, + - 524, + - 806, + - 585, + - 73, + 478, + 729, + - 288, + - 925, + - 1143, + 173, + 447, + - 52, + 68, + - 229, + - 606, + 449, + 529, + 1797, + - 591, + - 875, + - 1363, + 183, + - 144, + 324, + - 103, + - 452, + - 666, + 623, + 488, + 1176, + - 238, + - 511, + - 1004, + 326, + 552, + 458, + 136, + 108, + - 319, + 626, + 1343, + 1883, + - 490, + - 646, + - 1730, + - 186, + - 449, + 984, + - 738, + - 76, + - 170, + - 550, + 755, + 2560, + - 496, + - 510, + - 947, + 210, + 694, + - 52, + 84, + - 322, + - 199, + 1090, + 1625, + 1224, + - 376, + - 603, + - 1396, + 343, + 74, + 632, + - 175, + - 502, + - 32, + 972, + 1332, + 734, + 52, + - 295, + - 1113, + 1065, + 918, + 160, + 393, + 107, + - 397, + 1214, + 2649, + 1741, + - 632, + - 1201, + - 1891, + - 719, + - 277, + 353, + - 651, + - 880, + - 122, + - 211, + 209, + 1338, + - 562, + - 714, + - 1059, + - 208, + 388, + 159, + - 320, + - 61, + - 551, + 293, + 1092, + 1443, + - 648, + - 865, + - 1253, + - 49, + - 143, + 305, + - 401, + - 227, + - 585, + 561, + 532, + 927, + - 117, + - 443, + - 1188, + 507, + 436, + 292, + - 79, + 233, + - 458, + 671, + 1025, + 2396, + - 633, + - 842, + - 1525, + - 308, + - 286, + 640, + - 373, + - 621, + - 407, + 418, + 253, + 1305, + - 315, + - 581, + - 1137, + 572, + 685, + - 281, + 61, + - 68, + - 371, + 991, + 1101, + 1498, + - 493, + - 683, + - 1362, + - 47, + 164, + 704, + - 256, + - 314, + - 268, + 631, + 949, + 1052, + - 118, + - 348, + - 833, + 68, + 1180, + 568, + 152, + 117, + 34, + 1113, + 1902, + 2239, + - 601, + - 959, + - 1706, + - 143, + - 489, + 480, + - 332, + - 655, + - 574, + 54, + 353, + 1192, + - 462, + - 652, + - 796, + 150, + 549, + 112, + 195, + - 111, + - 515, + 679, + 1108, + 1647, + - 558, + - 749, + - 1217, + - 9, + 272, + 341, + - 53, + - 265, + - 535, + 489, + 843, + 1298, + - 120, + - 482, + - 1032, + 632, + 543, + 408, + 179, + 306, + - 526, + 1124, + 1464, + 2244, + - 417, + - 786, + - 1562, + - 224, + - 384, + 1364, + - 377, + - 459, + - 25, + 385, + 489, + 2174, + - 332, + - 651, + - 829, + 544, + 553, + 61, + 22, + - 113, + - 89, + 1128, + 1725, + 1524, + - 216, + - 373, + - 1653, + 161, + 316, + 908, + - 165, + - 222, + - 67, + 1362, + 1175, + 789, + 73, + - 252, + - 767, + 738, + 932, + 616, + 362, + 246, + - 126, + 787, + 2654, + 3027, + - 691, + - 1106, + - 2190, + - 565, + - 588, + 524, + - 590, + - 979, + - 490, + - 263, + 397, + 982, + - 577, + - 837, + - 945, + - 22, + 435, + - 49, + - 190, + - 118, + - 629, + - 88, + 1240, + 1513, + - 636, + - 1051, + - 1019, + - 291, + 189, + 259, + - 257, + - 470, + - 629, + 145, + 945, + 894, + - 326, + - 364, + - 1094, + 543, + 260, + 630, + - 202, + 189, + - 209, + 357, + 1379, + 2091, + - 569, + - 1075, + - 1449, + - 714, + - 239, + 919, + - 420, + - 705, + - 84, + - 109, + - 114, + 2407, + - 413, + - 529, + - 1177, + 482, + 368, + 131, + - 186, + - 72, + - 131, + 861, + 1255, + 1220, + - 611, + - 658, + - 1341, + 227, + - 121, + 631, + - 176, + - 489, + - 218, + 745, + 1175, + 957, + - 321, + - 148, + - 936, + 671, + 966, + 216, + 340, + - 3, + - 143, + 469, + 1848, + 2437, + - 729, + - 961, + - 1683, + - 213, + - 254, + 321, + - 511, + - 438, + - 521, + - 126, + 725, + 903, + - 340, + - 685, + - 1032, + 316, + 480, + 20, + 23, + - 89, + - 551, + 353, + 1051, + 1789, + - 544, + - 757, + - 1364, + 298, + - 25, + 436, + - 100, + - 392, + - 519, + 467, + 754, + 1078, + - 210, + - 398, + - 1078, + 620, + 658, + 630, + 33, + 147, + - 178, + 921, + 1687, + 1921, + - 325, + - 528, + - 1978, + 2, + - 285, + 910, + - 371, + - 490, + - 230, + 0, + 597, + 2010, + - 496, + - 395, + - 834, + 37, + 945, + 245, + 181, + - 160, + - 144, + 1481, + 1373, + 1357, + - 355, + - 601, + - 1270, + 298, + 322, + 672, + - 193, + - 336, + 77, + 1089, + 1533, + 922, + 177, + - 39, + - 1125, + 996, + 781, + 536, + 456, + 366, + - 432, + 1415, + 2440, + 2279, + - 466, + - 758, + - 2325, + - 303, + - 509, + 387, + - 727, + - 557, + 66, + - 145, + 643, + 1248, + - 544, + - 676, + - 916, + - 225, + 862, + 588, + - 152, + 40, + - 533, + 423, + 1423, + 1558, + - 572, + - 843, + - 1145, + - 128, + 85, + 461, + - 238, + - 257, + - 584, + 605, + 748, + 861, + 24, + - 202, + - 1409, + 797, + 487, + 303, + - 181, + 364, + - 182, + 616, + 1378, + 2942, + - 494, + - 852, + - 1441, + - 292, + 61, + 812, + - 84, + - 723, + - 182, + 555, + 532, + 1506, + - 365, + - 493, + - 1057, + 822, + 588, + 11, + - 14, + - 18, + - 230, + 1001, + 1401, + 1451, + - 474, + - 569, + - 1292, + 302, + 62, + 1062, + - 70, + - 376, + - 222, + 982, + 974, + 1149, + - 196, + - 234, + - 795, + 479, + 1098, + 499, + 362, + 58, + 70, + 1147, + 2069, + 2857, + - 487, + - 878, + - 1824, + 73, + - 288, + 348, + - 358, + - 500, + - 508, + 199, + 721, + 1242, + - 78, + - 697, + - 795, + 361, + 536, + 196, + 374, + 110, + - 735, + 847, + 1051, + 1896, + - 366, + - 713, + - 1182, + 315, + 320, + 429, + 72, + - 215, + - 450, + 759, + 886, + 1363, + - 30, + - 428, + - 834, + 861, + 627, + 796, + 118, + 468, + - 279, + 1355, + 1883, + 1893, + - 188, + - 642, + - 1612, + 63, + - 175, + 1198, + - 418, + - 211, + 51, + 414, + 587, + 2601, + - 234, + - 557, + - 858, + 424, + 889, + 222, + 136, + - 101, + 83, + 1413, + 2278, + 1383, + - 84, + - 445, + - 1389, + 414, + 313, + 1045, + 29, + - 343, + 65, + 1552, + 1647, + 980, + 183, + - 91, + - 829, + 1273, + 1413, + 360, + 553, + 272, + - 107, + 1587, + 3149, + 2603 +}; +#define DICO1_SIZE_5 128 +#define DICO2_SIZE_5 256 +#define DICO3_SIZE_5 256 +#define DICO4_SIZE_5 256 +#define DICO5_SIZE_5 64 + +/* 1st LSF quantizer (MR122) */ +static const Word32 dico1_lsf_5[DICO1_SIZE_5 * 4] = { + - 451, + - 1065, + - 529, + - 1305, + - 450, + - 756, + - 497, + - 863, + - 384, + - 619, + - 413, + - 669, + - 317, + - 538, + - 331, + - 556, + - 414, + - 508, + - 424, + - 378, + - 274, + - 324, + - 434, + - 614, + - 226, + - 500, + - 232, + - 514, + - 263, + - 377, + - 298, + - 410, + - 151, + - 710, + - 174, + - 818, + - 149, + - 412, + - 156, + - 429, + - 288, + - 462, + - 186, + - 203, + - 170, + - 302, + - 191, + - 321, + - 131, + - 147, + - 297, + - 395, + - 228, + - 214, + - 245, + - 192, + - 67, + - 316, + - 71, + - 327, + - 104, + - 205, + - 94, + - 183, + - 143, + - 38, + - 193, + - 95, + 16, + - 76, + - 124, + - 248, + 23, + - 237, + 24, + - 244, + 18, + - 136, + 44, + - 111, + - 33, + - 24, + - 25, + 0, + 149, + 19, + 23, + - 143, + 158, + - 169, + 174, + - 181, + 133, + - 55, + 165, + - 26, + 111, + 84, + 98, + 75, + 87, + 183, + - 115, + - 11, + - 8, + 130, + 11, + 170, + 254, + 77, + 205, + 17, + 183, + 112, + 262, + 194, + 202, + 287, + 95, + 189, + - 42, + - 105, + 234, + 179, + 39, + 186, + 163, + 345, + 332, + 199, + 299, + 161, + - 54, + 285, + - 78, + 281, + - 133, + 141, + - 182, + 111, + 249, + 341, + 271, + 364, + 93, + 403, + 75, + 391, + 92, + 510, + - 138, + 220, + - 185, + - 29, + - 34, + 361, + - 115, + 320, + 3, + 554, + 99, + 286, + 218, + 591, + - 245, + 406, + - 268, + 453, + 0, + 580, + 25, + 606, + 275, + 532, + 148, + 450, + - 73, + 739, + - 285, + 518, + - 288, + 94, + - 203, + 674, + - 140, + - 74, + 205, + 714, + - 114, + 299, + 176, + 923, + 182, + 557, + 240, + 705, + - 16, + 513, + 485, + 593, + 293, + 384, + 451, + 617, + - 38, + 50, + 563, + 529, + 303, + 209, + 459, + 363, + 433, + 452, + 450, + 454, + 367, + 606, + 477, + 741, + 432, + 353, + 368, + 267, + 361, + 716, + 273, + 583, + 453, + 166, + 510, + 172, + 201, + 629, + 274, + 191, + 568, + 639, + 302, + 298, + 634, + 387, + 643, + 350, + 587, + 560, + 612, + 565, + 600, + 788, + 487, + 672, + 512, + 1015, + 321, + 333, + 357, + 854, + - 125, + 413, + 474, + 712, + 17, + - 151, + 564, + 285, + 270, + - 241, + 971, + 889, + 489, + 220, + 510, + 896, + 549, + 924, + 327, + 825, + 290, + 911, + 540, + 1108, + 158, + 805, + 199, + 957, + 511, + 730, + 100, + 874, + 13, + 791, + 435, + 632, + 676, + 972, + 249, + 900, + 467, + 1218, + 781, + 1074, + 585, + 785, + - 23, + 669, + 267, + 1043, + 619, + 1084, + 615, + 1145, + 622, + 905, + 916, + 1049, + 80, + 331, + 584, + 1075, + 89, + 639, + 988, + 961, + 770, + 720, + 798, + 699, + 492, + 447, + 899, + 627, + 271, + 1188, + 725, + 1333, + 87, + 603, + 832, + 1603, + 616, + 1127, + 890, + 1505, + 1000, + 1156, + 866, + 1009, + 995, + 827, + 1149, + 858, + 817, + 1450, + 773, + 1320, + 500, + 1389, + 312, + 1153, + - 20, + 1084, + 64, + 1283, + 2, + 1172, + 399, + 1869, + 514, + 1706, + 502, + 1636, + 886, + 1522, + 416, + 600, + 1131, + 1350, + 1275, + 1390, + 889, + 1795, + 914, + 1766, + 227, + 1183, + 1250, + 1826, + 505, + 1854, + 919, + 2353, + - 199, + 431, + 152, + 1735, + - 213, + - 28, + 392, + 1334, + - 153, + - 52, + 978, + 1151, + - 323, + - 400, + 813, + 1703, + - 136, + 84, + 1449, + 2015, + - 331, + - 143, + - 137, + 1192, + - 256, + 534, + - 157, + 1031, + - 307, + - 439, + 542, + 731, + - 329, + - 420, + - 97, + 616, + - 362, + - 168, + - 322, + 366, + - 247, + - 110, + - 211, + 89, + - 196, + - 309, + 20, + 59, + - 364, + - 463, + - 286, + 89, + - 336, + 175, + - 432, + 141, + - 379, + - 190, + - 434, + - 196, + - 79, + 150, + - 278, + - 227, + - 280, + 166, + - 555, + - 422, + - 155, + 541, + - 366, + 54, + - 29, + - 83, + - 301, + - 774, + 186, + 628, + - 397, + - 264, + 242, + 293, + - 197, + - 585, + 124, + 410, + 53, + - 133, + 10, + 340, + - 570, + - 1065, + 65, + - 446, + 68, + - 493, + 383, + 937, + - 357, + - 711, + - 359, + - 250, + - 677, + - 1068, + 292, + - 26, + 363, + 6, + 607, + 1313, + - 127, + - 10, + 1513, + 1886, + 713, + 972, + 1469, + 2181, + 1443, + 2016 +}; + +/* 2nd LSF quantizer (MR122) */ +static const Word32 dico2_lsf_5[DICO2_SIZE_5 * 4] = { + - 1631, + - 1600, + - 1796, + - 2290, + - 1027, + - 1770, + - 1100, + - 2025, + - 1277, + - 1388, + - 1367, + - 1534, + - 947, + - 1461, + - 972, + - 1524, + - 999, + - 1222, + - 1020, + - 1172, + - 815, + - 987, + - 992, + - 1371, + - 1216, + - 1006, + - 1289, + - 1094, + - 744, + - 1268, + - 755, + - 1293, + - 862, + - 923, + - 905, + - 984, + - 678, + - 1051, + - 685, + - 1050, + - 1087, + - 985, + - 1062, + - 679, + - 989, + - 641, + - 1127, + - 976, + - 762, + - 654, + - 890, + - 806, + - 833, + - 1091, + - 706, + - 629, + - 621, + - 806, + - 640, + - 812, + - 775, + - 634, + - 779, + - 543, + - 996, + - 565, + - 1075, + - 580, + - 546, + - 611, + - 572, + - 619, + - 760, + - 290, + - 879, + - 526, + - 823, + - 462, + - 795, + - 253, + - 553, + - 415, + - 589, + - 439, + - 533, + - 340, + - 692, + - 935, + - 505, + - 772, + - 702, + - 1131, + - 263, + - 306, + - 971, + - 483, + - 445, + - 74, + - 555, + - 548, + - 614, + - 129, + - 693, + - 234, + - 396, + - 246, + - 475, + - 250, + - 265, + - 404, + - 376, + - 514, + - 417, + - 510, + - 300, + - 313, + - 334, + - 664, + - 463, + - 814, + - 386, + - 704, + - 337, + - 615, + - 234, + - 201, + - 233, + - 239, + - 167, + - 567, + - 203, + - 619, + - 147, + - 415, + - 115, + - 352, + - 166, + - 750, + - 171, + - 761, + - 270, + - 879, + - 264, + - 903, + - 367, + - 744, + 43, + - 475, + 14, + - 653, + 43, + - 670, + 11, + - 448, + - 59, + - 521, + - 126, + - 119, + - 155, + - 613, + - 42, + - 863, + - 27, + - 931, + 136, + - 483, + 183, + - 468, + 55, + - 298, + 55, + - 304, + 313, + - 609, + 313, + - 720, + 322, + - 167, + 100, + - 541, + - 3, + - 119, + - 111, + - 187, + 233, + - 236, + 260, + - 234, + 26, + - 165, + 134, + - 45, + - 40, + - 549, + 360, + - 203, + 378, + - 388, + 450, + - 383, + 275, + 20, + 182, + - 103, + 246, + - 111, + 431, + 37, + 462, + - 146, + 487, + - 157, + - 284, + - 59, + 503, + - 184, + 24, + 53, + - 3, + 54, + 122, + 259, + 333, + 66, + 484, + 104, + 436, + 68, + 195, + 116, + 190, + 206, + 269, + - 9, + 482, + 352, + 382, + 285, + 399, + 277, + 452, + 256, + 69, + 186, + 13, + 297, + - 13, + 259, + - 95, + 30, + 56, + 394, + 196, + 425, + 205, + 456, + 281, + 577, + 15, + 191, + 375, + 290, + 407, + 576, + - 56, + 227, + 544, + 405, + 0, + 549, + - 92, + 528, + - 229, + 351, + - 245, + 338, + - 362, + 435, + 167, + 527, + - 75, + 302, + 91, + 824, + 129, + 599, + 496, + 679, + 186, + 749, + 153, + 737, + - 281, + 600, + - 348, + 615, + - 236, + 769, + 41, + 881, + 38, + 890, + - 220, + 841, + - 357, + 883, + - 393, + 903, + - 634, + 474, + - 444, + 850, + - 175, + 678, + - 493, + 242, + - 519, + 785, + - 714, + 582, + - 541, + 366, + - 543, + 434, + - 597, + 500, + - 765, + 222, + - 702, + 917, + - 743, + 962, + - 869, + 501, + - 899, + 548, + - 379, + 200, + - 435, + 157, + - 819, + 214, + - 861, + 157, + - 614, + 40, + - 632, + 94, + - 883, + - 54, + - 741, + 516, + - 501, + 298, + - 614, + - 171, + - 870, + - 161, + - 865, + - 23, + - 818, + 93, + - 1015, + - 267, + - 662, + - 359, + - 549, + 2, + - 442, + - 121, + - 377, + 0, + - 227, + 33, + - 414, + - 126, + - 129, + 212, + - 934, + 34, + - 1082, + - 282, + - 1119, + - 268, + - 710, + - 825, + - 420, + - 191, + - 1076, + - 928, + - 917, + - 93, + - 628, + - 358, + 97, + 7, + - 206, + - 393, + - 101, + 24, + - 203, + 38, + - 168, + 83, + - 599, + - 423, + - 279, + 426, + - 700, + 118, + - 75, + 206, + - 981, + - 673, + - 680, + 417, + - 367, + 37, + - 279, + 474, + - 129, + - 318, + 319, + 296, + - 626, + - 39, + 343, + 602, + - 696, + - 39, + - 303, + 940, + 104, + 233, + - 380, + 137, + - 36, + 269, + - 75, + - 214, + 120, + 43, + - 529, + - 477, + 459, + 164, + - 202, + - 229, + - 49, + - 167, + 609, + 792, + 98, + - 220, + 915, + 148, + 293, + 283, + 869, + 91, + 575, + 394, + 326, + - 78, + 717, + 67, + 365, + - 323, + 616, + - 36, + 731, + 27, + 619, + 238, + 632, + 273, + 448, + 99, + 801, + 476, + 869, + 273, + 685, + 64, + 789, + 72, + 1021, + 217, + 793, + 459, + 734, + 360, + 646, + 480, + 360, + 322, + 429, + 464, + 638, + 430, + 756, + 363, + 1000, + 404, + 683, + 528, + 602, + 615, + 655, + 413, + 946, + 687, + 937, + 602, + 904, + 604, + 555, + 737, + 786, + 662, + 467, + 654, + 362, + 589, + 929, + 710, + 498, + 478, + 415, + 420, + 693, + 883, + 813, + 683, + 781, + 925, + 913, + 939, + 726, + 732, + 491, + 853, + 531, + 948, + 734, + 963, + 315, + 808, + 761, + 755, + 1144, + 760, + 655, + 1076, + 826, + 1057, + 1091, + 838, + 1003, + 808, + 1047, + 1133, + 659, + 1101, + 992, + 1050, + 1074, + 1075, + 971, + 694, + 1226, + 1054, + 571, + 841, + 884, + 1404, + 1379, + 1096, + 1080, + 861, + 1231, + 735, + 1284, + 760, + 1272, + 991, + 1367, + 1053, + 1257, + 700, + 1050, + 534, + 988, + 453, + 1264, + 599, + 1140, + 679, + 1621, + 815, + 1384, + 521, + 1317, + 393, + 1564, + 805, + 1448, + 686, + 1068, + 648, + 875, + 307, + 1083, + 361, + 1047, + 317, + 1417, + 964, + 675, + 571, + 1152, + 79, + 1114, + - 47, + 1530, + 311, + 1721, + 314, + 1166, + 689, + 514, + - 94, + 349, + 282, + 1412, + 328, + 1025, + 487, + - 65, + 57, + 805, + 970, + 36, + 62, + 769, + - 263, + 791, + - 346, + 637, + 699, + - 137, + 620, + 534, + 541, + - 735, + 194, + 711, + 300, + - 268, + - 863, + 926, + 769, + - 708, + - 428, + 506, + 174, + - 892, + - 630, + 435, + 547, + - 1435, + - 258, + 621, + 471, + - 1018, + - 1368, + - 393, + 521, + - 920, + - 686, + - 25, + 20, + - 982, + - 1156, + 340, + 9, + - 1558, + - 1135, + - 352, + 48, + - 1579, + - 402, + - 887, + 6, + - 1156, + - 888, + - 548, + - 352, + - 1643, + - 1168, + - 159, + 610, + - 2024, + - 963, + - 225, + 193, + - 1656, + - 1960, + - 245, + - 493, + - 964, + - 1680, + - 936, + - 635, + - 1299, + - 1744, + - 1388, + - 604, + - 1540, + - 835, + - 1397, + - 135, + - 1588, + - 290, + - 1670, + - 712, + - 2011, + - 1632, + - 1663, + - 27, + - 2258, + - 811, + - 1157, + 184, + - 1265, + 189, + - 1367, + 586, + - 2011, + 201, + - 790, + 712, + - 1210, + 3, + - 1033, + 808, + - 1251, + 830, + - 111, + 635, + - 1636, + 447, + - 463, + - 949, + - 445, + - 928, + - 504, + - 1162, + - 501, + - 1211, + 144, + - 351, + - 372, + - 1052, + - 283, + - 1059, + - 279, + - 1123, + - 575, + - 1438, + - 587, + - 1614, + - 935, + - 984, + 229, + 690, + - 921, + - 719, + - 403, + 1362, + - 685, + - 465, + 874, + 397, + - 509, + - 46, + 317, + 1334, + - 485, + 456, + 813, + 439, + - 411, + 339, + 898, + 1067, + - 425, + 46, + 1441, + 497, + - 909, + - 800, + 1465, + 1046, + - 254, + - 321, + 1430, + 1165, + 68, + 350, + 1034, + 666, + 370, + 11, + 1311, + 790, + 143, + 232, + 1041, + 1562, + - 114, + 663, + 1616, + 1078, + 454, + 579, + 1275, + 1040, + - 76, + 909, + 752, + 1067, + 153, + 512, + 348, + 1214, + 614, + 385, + 1843, + 808, + 269, + 1034, + 203, + 1086, + 652, + 1017, + 1783, + 1130, + 429, + 1327, + 387, + 1384, + - 49, + 1183, + - 72, + 1215, + - 416, + 1001, + 544, + 1749, + - 352, + 1223, + - 502, + 1199, + - 589, + 569, + - 227, + 1630, + - 142, + 1578, + - 230, + 1715, + - 714, + 1288, + - 838, + 1398, + 1131, + 1357, + - 208, + 1232, + 437, + 965, + - 929, + 818, + 811, + 1410, + 859, + 1507, + 164, + 1212, + 1387, + 1793, + 484, + 1874, + 456, + 2063, + 996, + 1170, + 1326, + 1402, + 1316, + 1360, + 1135, + 1262, + 1234, + 1618, + 1361, + 1768, + 1421, + 1227, + 1584, + 1347, + 854, + 672, + 1685, + 1566, + 1139, + 1270, + 2016, + 1825, + 1773, + 1581, + 1532, + 1460, + 1487, + 946, + 1659, + 1021, + 1744, + 1212, + 1392, + 977, + 1772, + 1161, + 1826, + 1164, + 1718, + 1429, + 1973, + 1591, + 1185, + 864, + 2132, + 1061, + 1799, + 814, + 1838, + 757, + 2104, + 1315, + 2054, + 1258, + 2113, + 915, + 2331, + 930, + 1467, + 1147, + 2590, + 1439, + 2245, + 1744, + 2090, + 1620, + 2358, + 1454, + 2666, + 1506, + 1876, + 1837, + 2070, + 1975, + 1739, + 1577, + 682, + 1289, + 1584, + 2045, + 1454, + 2098, + 2498, + 2004, + 2711, + 2066, + 726, + 1588, + 2756, + 2336, + 228, + 847, + 2456, + 1659, + 36, + 301, + 1942, + 1957, + - 446, + - 96, + 2154, + 1396, + 1533, + 1101, + 14, + 608, + - 923, + - 732, + 1383, + 1982, + 1345, + 952, + - 680, + 321, + 1281, + 1268, + - 1594, + 365, + 941, + 946, + - 1737, + - 822, + 2374, + 2787, + 1821, + 2788 +}; + +/* 3rd LSF quantizer (MR122) */ +static const Word32 dico3_lsf_5[DICO3_SIZE_5 * 4] = { + - 1812, + - 2275, + - 1879, + - 2537, + - 1640, + - 1848, + - 1695, + - 2004, + - 1220, + - 1912, + - 1221, + - 2106, + - 1559, + - 1588, + - 1573, + - 1556, + - 1195, + - 1615, + - 1224, + - 1727, + - 1359, + - 1151, + - 1616, + - 1948, + - 1274, + - 1391, + - 1305, + - 1403, + - 1607, + - 1179, + - 1676, + - 1311, + - 1443, + - 1478, + - 1367, + - 898, + - 1256, + - 1059, + - 1331, + - 1134, + - 982, + - 1133, + - 1149, + - 1504, + - 1080, + - 1308, + - 1020, + - 1183, + - 980, + - 1486, + - 967, + - 1495, + - 988, + - 922, + - 1047, + - 1077, + - 838, + - 1179, + - 858, + - 1222, + - 1131, + - 1041, + - 1064, + - 767, + - 872, + - 1157, + - 701, + - 880, + - 706, + - 906, + - 774, + - 1016, + - 578, + - 1080, + - 801, + - 1478, + - 591, + - 1111, + - 592, + - 1146, + - 713, + - 1388, + - 640, + - 1376, + - 597, + - 1059, + - 416, + - 903, + - 686, + - 832, + - 661, + - 708, + - 444, + - 868, + - 490, + - 921, + - 374, + - 776, + - 619, + - 1170, + - 585, + - 549, + - 769, + - 795, + - 435, + - 659, + - 530, + - 741, + - 498, + - 837, + - 357, + - 597, + - 279, + - 871, + - 243, + - 887, + - 282, + - 665, + - 280, + - 667, + - 165, + - 560, + - 394, + - 903, + - 362, + - 410, + - 448, + - 583, + - 409, + - 574, + - 313, + - 357, + - 637, + - 548, + - 570, + - 436, + - 896, + - 504, + - 382, + - 757, + - 58, + - 481, + - 165, + - 618, + - 191, + - 374, + - 234, + - 382, + - 222, + - 683, + - 25, + - 480, + - 418, + - 359, + - 730, + - 353, + - 324, + - 157, + - 432, + - 322, + - 394, + - 303, + - 284, + - 104, + - 601, + - 289, + - 556, + - 196, + - 588, + - 150, + - 659, + - 608, + - 473, + - 24, + - 68, + - 448, + - 474, + - 8, + - 506, + - 45, + - 748, + - 184, + - 844, + - 252, + - 901, + - 91, + - 584, + - 97, + - 652, + 138, + - 764, + - 131, + - 678, + - 12, + - 670, + 165, + - 259, + - 3, + - 840, + - 107, + - 909, + 37, + - 992, + 44, + - 854, + - 415, + - 839, + 13, + - 1001, + - 271, + - 1026, + - 309, + - 798, + - 478, + - 832, + - 488, + - 943, + 168, + - 1112, + - 387, + - 1185, + - 101, + - 1183, + - 40, + - 941, + - 316, + - 1030, + - 770, + - 1044, + - 625, + - 1081, + - 538, + - 1224, + - 299, + - 1312, + - 436, + - 1197, + - 663, + - 1167, + - 161, + - 1216, + - 690, + - 1237, + - 831, + - 1432, + - 720, + - 1403, + - 493, + - 898, + - 740, + - 922, + - 801, + - 1102, + - 402, + - 1579, + - 964, + - 1061, + - 638, + - 1269, + - 1438, + - 1499, + - 934, + - 1502, + - 895, + - 1598, + - 564, + - 1723, + - 717, + - 606, + - 597, + - 1166, + - 1085, + - 1369, + - 468, + - 1946, + - 1493, + - 1838, + - 953, + - 1932, + - 931, + - 1499, + - 188, + - 1635, + - 421, + - 1457, + - 338, + - 1448, + - 22, + - 1942, + - 422, + - 2006, + - 249, + - 496, + - 114, + - 1910, + - 755, + - 1289, + 174, + - 1451, + - 109, + - 482, + - 257, + - 1221, + - 508, + - 1617, + 151, + - 1694, + 208, + - 654, + 107, + - 1651, + 29, + - 1141, + 279, + - 1215, + 306, + - 1228, + - 506, + - 730, + - 175, + - 1236, + - 101, + - 969, + 551, + - 870, + 278, + - 823, + 315, + - 563, + 376, + - 1051, + 228, + - 507, + 280, + - 599, + 281, + - 758, + 253, + - 305, + 379, + - 755, + - 134, + - 611, + 660, + - 824, + 536, + - 817, + 646, + - 413, + 49, + - 341, + 177, + - 453, + 526, + - 482, + 589, + - 71, + 339, + - 657, + 264, + - 244, + 295, + - 237, + 315, + - 387, + 569, + - 506, + - 9, + - 377, + 14, + - 160, + 661, + - 216, + 40, + - 308, + - 46, + 95, + 214, + - 242, + 167, + - 86, + 192, + - 56, + 27, + - 76, + 31, + 36, + 309, + - 106, + - 182, + - 113, + 74, + - 441, + - 22, + 23, + 139, + 81, + - 11, + 44, + 15, + - 87, + - 137, + - 118, + - 207, + - 158, + - 58, + 272, + - 92, + - 156, + - 441, + 8, + - 136, + 128, + - 221, + 101, + - 218, + 40, + - 197, + - 76, + - 456, + 9, + - 445, + 33, + - 423, + 226, + 60, + 73, + - 222, + 156, + - 399, + 280, + - 318, + 245, + - 341, + 166, + - 499, + 339, + - 190, + 327, + - 219, + 325, + - 137, + - 89, + - 596, + 100, + - 627, + 144, + - 677, + 487, + 28, + 252, + - 391, + 214, + - 41, + 282, + - 28, + 99, + - 286, + 331, + 49, + 459, + - 388, + 565, + - 369, + 436, + 28, + 336, + - 9, + 397, + - 167, + 618, + 34, + 596, + - 17, + 561, + - 140, + 299, + 79, + 522, + 125, + 203, + 2, + 244, + 288, + 255, + 211, + 175, + 82, + 596, + 187, + 517, + 108, + 381, + 255, + 365, + 297, + 497, + 352, + 327, + - 82, + 25, + 210, + 371, + 245, + 261, + 3, + 545, + 449, + 140, + 294, + 44, + 295, + 212, + 347, + 244, + 494, + 331, + 528, + 201, + 307, + 349, + 411, + 613, + 284, + 614, + 413, + 464, + 322, + 624, + 397, + 97, + 200, + - 160, + 384, + 149, + 362, + 495, + 525, + 269, + 585, + 33, + 491, + - 121, + 433, + 427, + 611, + 498, + 516, + 171, + 443, + 497, + 666, + 440, + 275, + 566, + 575, + 146, + 639, + 155, + 670, + - 33, + 173, + 212, + 696, + - 166, + 601, + - 191, + 695, + - 489, + 503, + 175, + 742, + 214, + 476, + 372, + 1083, + 578, + 530, + 586, + 777, + 425, + 874, + 315, + 841, + 374, + 848, + - 165, + 565, + 35, + 991, + - 39, + 1062, + 329, + 712, + 786, + 840, + 645, + 795, + 661, + 676, + 571, + 918, + 632, + 1079, + 673, + 817, + 318, + 388, + 874, + 1012, + 564, + 848, + 880, + 620, + 557, + 479, + 671, + 453, + 692, + 468, + 840, + 642, + 844, + 645, + 506, + 428, + 897, + 567, + 837, + 387, + 962, + 499, + 691, + 561, + 939, + 926, + 783, + 296, + 790, + 268, + 1028, + 530, + 874, + 329, + 548, + 143, + 675, + 291, + 503, + 66, + 1041, + 359, + 786, + 97, + 805, + 33, + 837, + 470, + 511, + 49, + 1092, + 327, + 1174, + 323, + 3, + 242, + 872, + 474, + 689, + 429, + 1329, + 678, + 1042, + 620, + 1109, + 664, + 321, + 193, + 889, + 950, + 1153, + 874, + 893, + 635, + 877, + 862, + 948, + 913, + 1293, + 665, + 1320, + 639, + 997, + 793, + 1402, + 1030, + 1176, + 1012, + 1110, + 959, + 1410, + 925, + 1403, + 915, + 543, + 862, + 1116, + 1222, + 835, + 1190, + 835, + 1190, + 959, + 1148, + 1147, + 1376, + 1300, + 1193, + 1415, + 1231, + 1335, + 1341, + 746, + 1092, + 1711, + 1283, + 1389, + 1073, + 1334, + 1566, + 1153, + 1475, + 1645, + 1137, + 1825, + 1220, + 1056, + 1382, + 1521, + 1730, + 1632, + 1545, + 1620, + 1542, + 855, + 1596, + 865, + 1667, + 693, + 885, + 1716, + 1519, + 1167, + 1296, + 2209, + 1760, + 1952, + 1493, + 2020, + 1482, + 1534, + 1866, + 1694, + 2008, + 1566, + 748, + 1761, + 825, + 294, + 1392, + 1084, + 2058, + 621, + 1315, + 365, + 1287, + 198, + 1028, + 488, + 1408, + 249, + 403, + 1014, + 1561, + 324, + 363, + 1645, + 1044, + 193, + 367, + 2034, + 1859, + - 251, + 579, + 750, + 994, + - 243, + 30, + 1325, + 879, + - 28, + - 169, + 624, + 917, + - 453, + 159, + 186, + 1370, + - 614, + 6, + 537, + 392, + - 94, + - 291, + 781, + 229, + - 128, + - 298, + 245, + 491, + - 701, + - 648, + 972, + 789, + - 501, + - 640, + 178, + 255, + - 365, + - 390, + - 255, + 317, + - 958, + - 294, + - 191, + 228, + - 775, + - 447, + 157, + - 237, + - 657, + - 720, + - 407, + 92, + - 117, + - 611, + 334, + - 230, + - 679, + - 1084, + - 144, + - 317, + - 901, + - 861, + - 738, + - 360, + - 85, + - 727, + - 90, + - 787, + 100, + - 22, + - 391, + - 263, + - 56, + - 73, + - 337, + - 754, + 5, + - 189, + - 706, + - 624, + 89, + - 344, + - 135, + - 1113, + - 353, + - 237, + - 684, + - 1135, + - 275, + - 1102, + - 269, + - 1203, + 152, + 145, + - 722, + - 1232, + 49, + 80, + - 1248, + - 776, + - 248, + 391, + - 732, + - 547, + 469, + 218, + - 255, + - 864, + 69, + 366, + - 166, + - 485, + - 688, + 191, + - 1212, + - 1196, + - 170, + - 169, + - 1308, + - 1631, + 321, + 470, + - 1419, + - 1243, + - 64, + 272, + - 1361, + - 248, + 492, + 565, + - 721, + - 609, + 195, + 485, + - 573, + - 133, + 427, + 202, + - 171, + - 118, + 199, + 575, + 2, + - 31, + 694, + 755, + - 1366, + - 39, + 552, + 557, + - 489, + 271, + 680, + 537, + 13, + - 453, + 855, + 954, + - 133, + - 52, + - 81, + 738, + - 1169, + 637, + 1055, + 1059, + - 95, + 676, + 1259, + 1081, + 489, + 305, + - 449, + 954, + - 534, + 996, + - 969, + 866, + - 1058, + 1059, + - 1294, + 618, + - 1416, + 617, + - 458, + 1366, + - 159, + 1821, + - 774, + - 528, + - 14, + 1110, + - 1202, + - 901, + - 772, + 433, + - 1256, + - 1255, + - 1011, + - 302, + - 602, + - 585, + - 759, + - 1618, + - 760, + - 1549, + - 840, + - 1921, + - 816, + - 539, + - 1769, + - 2235, + - 227, + - 36, + - 2034, + - 1831, + - 2107, + - 1126, + - 2471, + - 1816, + - 1470, + 252, + - 2701, + - 415, + - 571, + - 467, + 1509, + 1554, + 2180, + 1975, + 2326, + 2020 +}; + +/* 4th LSF quantizer (MR122) */ +static const Word32 dico4_lsf_5[DICO4_SIZE_5 * 4] = { + - 1857, + - 1681, + - 1857, + - 1755, + - 2056, + - 1150, + - 2134, + - 1654, + - 1619, + - 1099, + - 1704, + - 1131, + - 1345, + - 1608, + - 1359, + - 1638, + - 1338, + - 1293, + - 1325, + - 1265, + - 1664, + - 1649, + - 1487, + - 851, + - 1346, + - 1832, + - 1413, + - 2188, + - 1282, + - 681, + - 1785, + - 1649, + - 966, + - 1082, + - 1183, + - 1676, + - 1054, + - 1073, + - 1142, + - 1158, + - 1207, + - 744, + - 1274, + - 997, + - 934, + - 1383, + - 927, + - 1416, + - 1010, + - 1305, + - 783, + - 955, + - 1049, + - 900, + - 993, + - 817, + - 737, + - 823, + - 972, + - 1189, + - 738, + - 1094, + - 738, + - 1154, + - 784, + - 801, + - 810, + - 786, + - 892, + - 520, + - 1000, + - 818, + - 644, + - 965, + - 577, + - 882, + - 541, + - 694, + - 671, + - 917, + - 595, + - 642, + - 646, + - 615, + - 956, + - 621, + - 925, + - 515, + - 727, + - 483, + - 815, + - 485, + - 840, + - 578, + - 440, + - 713, + - 578, + - 325, + - 657, + - 670, + - 386, + - 570, + - 441, + - 666, + - 514, + - 787, + - 392, + - 529, + - 522, + - 453, + - 487, + - 423, + - 616, + - 585, + - 617, + - 157, + - 662, + - 268, + - 680, + - 348, + - 322, + - 323, + - 632, + - 444, + - 304, + - 430, + - 332, + - 458, + - 277, + - 468, + - 659, + - 793, + - 319, + - 636, + - 227, + - 554, + - 373, + - 347, + - 334, + - 210, + - 456, + - 192, + - 530, + - 242, + - 216, + - 198, + - 366, + - 370, + - 338, + - 161, + - 409, + - 748, + - 107, + - 380, + - 294, + - 643, + - 223, + - 665, + - 234, + - 741, + - 141, + - 496, + - 130, + - 510, + - 139, + - 327, + - 172, + - 305, + - 306, + - 580, + - 164, + - 263, + - 262, + - 172, + - 67, + - 402, + 31, + - 366, + - 10, + - 436, + - 86, + - 527, + 71, + - 377, + - 22, + - 609, + - 12, + - 678, + - 67, + - 319, + 63, + - 191, + 35, + - 181, + - 39, + - 242, + 126, + - 167, + - 140, + - 544, + 155, + - 297, + 174, + - 297, + 38, + - 8, + 117, + - 380, + 197, + - 452, + 240, + - 522, + 223, + - 103, + 110, + - 187, + 87, + - 155, + 169, + - 47, + 157, + 26, + - 83, + - 100, + 128, + 80, + 209, + - 62, + 6, + 7, + 22, + 5, + 318, + - 20, + 248, + - 45, + - 200, + - 63, + 156, + - 69, + 250, + - 183, + 369, + - 126, + - 113, + - 76, + - 142, + - 122, + - 64, + - 254, + - 31, + 35, + - 177, + - 71, + - 7, + 171, + 93, + 27, + 108, + 212, + - 330, + - 209, + - 123, + - 70, + - 279, + 95, + - 96, + 20, + - 188, + - 61, + - 314, + 87, + - 300, + - 78, + - 354, + - 134, + 11, + 122, + - 140, + 122, + - 275, + 152, + - 293, + 140, + - 82, + 138, + - 321, + - 111, + - 480, + - 156, + - 359, + 76, + - 254, + - 40, + - 635, + - 96, + - 522, + 79, + - 507, + 8, + - 268, + 303, + - 539, + 68, + - 446, + 61, + - 522, + 306, + 111, + 189, + - 435, + 122, + - 379, + 166, + - 571, + - 398, + - 632, + - 74, + - 747, + - 95, + - 455, + 194, + - 952, + 83, + - 798, + 192, + - 755, + 192, + - 781, + - 162, + - 619, + 234, + - 663, + - 297, + - 488, + - 109, + - 964, + - 132, + - 838, + - 68, + - 843, + 58, + - 1112, + - 86, + - 805, + - 299, + - 944, + - 253, + - 778, + - 50, + - 965, + - 549, + - 352, + - 98, + - 992, + - 343, + - 1117, + - 315, + - 1117, + - 307, + - 1155, + - 374, + - 637, + - 230, + - 1166, + - 43, + - 1299, + - 100, + - 925, + - 393, + - 1274, + - 600, + - 689, + - 130, + - 1479, + - 312, + - 1321, + - 254, + - 1464, + - 442, + - 1292, + - 613, + - 1261, + - 503, + - 1501, + - 368, + - 1322, + 26, + - 1432, + - 66, + - 1743, + - 161, + - 1644, + - 467, + - 1760, + - 548, + - 1393, + - 568, + - 1556, + - 871, + - 1495, + - 1034, + - 1387, + - 571, + - 1917, + - 528, + - 1783, + - 123, + - 1897, + - 231, + - 2054, + - 323, + - 2052, + - 906, + - 1976, + - 567, + - 1917, + - 620, + - 2047, + - 989, + - 1077, + - 370, + - 2031, + - 704, + - 2355, + - 749, + - 2740, + - 1089, + - 1909, + 159, + - 2012, + 248, + - 626, + - 123, + - 2339, + - 962, + - 669, + - 408, + - 1379, + - 1174, + - 452, + - 364, + - 1044, + - 735, + - 132, + 183, + - 1620, + - 752, + - 547, + - 307, + - 777, + - 1261, + - 98, + 41, + - 880, + - 1091, + - 257, + 97, + - 1602, + - 1833, + 31, + - 26, + - 644, + - 561, + - 180, + - 546, + - 385, + - 1095, + - 410, + - 802, + - 414, + - 827, + - 457, + - 970, + - 490, + - 1109, + - 215, + - 916, + - 144, + - 937, + - 493, + - 1269, + - 517, + - 1507, + 181, + 101, + - 332, + - 889, + - 836, + - 937, + - 559, + - 429, + - 629, + - 547, + - 183, + - 337, + - 545, + - 82, + - 250, + - 286, + 5, + - 132, + - 348, + - 252, + - 293, + - 472, + - 158, + 100, + - 29, + 197, + - 236, + - 424, + - 861, + - 213, + - 140, + - 7, + - 427, + - 443, + 187, + - 97, + - 684, + - 736, + - 293, + 258, + - 368, + - 152, + - 150, + 392, + - 609, + 175, + - 142, + 299, + - 138, + 152, + - 119, + 329, + - 486, + - 52, + 293, + 198, + - 183, + 117, + 175, + 331, + - 58, + - 274, + 231, + 300, + - 288, + 330, + - 305, + 372, + - 111, + 409, + - 9, + 423, + 83, + 256, + 67, + 367, + - 19, + 248, + 91, + 113, + - 35, + 406, + - 191, + 154, + 238, + 296, + 5, + 197, + 141, + 221, + 313, + 198, + 211, + 421, + 244, + 334, + 88, + 426, + - 243, + 454, + 202, + 552, + - 5, + 403, + 291, + 185, + 219, + 301, + 251, + 138, + 128, + 69, + 197, + 288, + - 140, + - 61, + 188, + 361, + 197, + 598, + 442, + 273, + 290, + 143, + 472, + 482, + 157, + 370, + 415, + 321, + 372, + 385, + 402, + 552, + 155, + 24, + 550, + 263, + - 11, + 21, + 360, + 227, + 147, + - 254, + 424, + 97, + 366, + - 13, + 375, + 141, + 449, + 232, + 396, + 507, + 474, + 272, + 701, + 324, + 362, + - 47, + 587, + 148, + 543, + 69, + 400, + - 51, + 561, + 59, + 220, + - 10, + 352, + 147, + 206, + 211, + 653, + 185, + 563, + 297, + 565, + 284, + 594, + 121, + 766, + 192, + 398, + 118, + 642, + 434, + 233, + 264, + 481, + 467, + 129, + - 165, + 699, + 239, + 90, + 26, + 342, + 474, + - 55, + 27, + 388, + 94, + - 172, + 0, + 725, + 379, + - 60, + 337, + 370, + 465, + 95, + 319, + 806, + 595, + 78, + 260, + 497, + 851, + 210, + 560, + 458, + 574, + - 464, + 202, + 497, + 625, + - 202, + 152, + 48, + 712, + - 20, + 566, + 100, + 715, + 455, + 468, + 411, + 605, + 319, + 646, + 195, + 615, + 401, + 538, + 680, + 739, + 201, + 667, + 434, + 954, + 454, + 425, + 646, + 491, + 606, + 681, + 416, + 508, + 497, + 822, + 426, + 815, + 660, + 647, + 628, + 716, + 697, + 466, + 618, + 457, + 685, + 460, + 365, + 309, + 721, + 567, + 836, + 601, + 609, + 300, + 825, + 459, + 943, + 687, + 681, + 533, + 915, + 598, + 591, + 243, + 876, + 451, + 874, + 420, + 786, + 317, + 732, + 220, + 922, + 317, + 1108, + 367, + 531, + 466, + 1028, + 649, + 1053, + 615, + 1034, + 553, + 829, + 602, + 1021, + 799, + 927, + 803, + 878, + 763, + 799, + 496, + 1373, + 773, + 585, + 770, + 803, + 930, + 1099, + 793, + 1222, + 862, + 1209, + 895, + 1025, + 727, + 772, + 845, + 1172, + 1115, + 867, + 1021, + 830, + 1013, + 841, + 910, + 506, + 703, + 1239, + 1077, + 620, + 819, + 1196, + 1083, + 1155, + 1081, + 1142, + 907, + 1547, + 1121, + 1309, + 648, + 1343, + 612, + 1484, + 988, + 1479, + 937, + 985, + 1328, + 955, + 1341, + 429, + 910, + 841, + 1338, + 564, + 1179, + 412, + 1156, + 1427, + 1320, + 1434, + 1330, + 640, + 760, + 1726, + 1410, + 190, + 555, + 1073, + 1005, + 426, + 257, + 839, + 980, + 235, + 231, + 1520, + 1167, + 109, + 293, + 1014, + 1569, + 305, + 142, + 1148, + 539, + - 291, + - 108, + 1213, + 972, + 22, + - 216, + 667, + 828, + - 482, + 438, + 453, + 1431, + - 581, + - 422, + 789, + 387, + - 358, + - 454, + 174, + 780, + - 36, + - 372, + 390, + - 134, + - 629, + 160, + - 306, + 751, + - 1258, + - 331, + 177, + 522, + - 248, + 574, + - 251, + 639, + - 531, + 407, + - 596, + 394, + - 419, + 789, + - 617, + 801, + - 986, + 399, + - 857, + 727, + - 7, + 518, + - 703, + 310, + - 1143, + - 24, + - 1002, + 287, + - 960, + 363, + - 1299, + 312, + - 1534, + 245, + - 1557, + 305, + 28, + 153, + - 859, + - 175, + - 33, + 332, + - 1398, + - 154, + 212, + 410, + - 593, + - 197, + - 1092, + - 704, + - 904, + - 65, + 282, + 367, + - 918, + - 686, + 345, + 93, + - 258, + - 357, + 696, + 644, + - 693, + - 28, + 448, + 493, + - 273, + 193, + 527, + 546, + - 243, + - 513, + 384, + - 136, + 273, + - 353, + 512, + - 142, + 537, + - 198, + 941, + 750, + 83, + 248, + 578, + 861, + - 56, + 592, + 842, + 44, + 892, + 24, + 33, + 890, + - 16, + 982, + 831, + 1398, + 1535, + 1898, + 1716, + 1376, + 1948, + 1465 +}; + +/* 5th LSF quantizer (MR122) */ +static const Word32 dico5_lsf_5[DICO5_SIZE_5 * 4] = { + - 1002, + - 929, + - 1096, + - 1203, + - 641, + - 931, + - 604, + - 961, + - 779, + - 673, + - 835, + - 788, + - 416, + - 664, + - 458, + - 766, + - 652, + - 521, + - 662, + - 495, + - 1023, + - 509, + - 1023, + - 428, + - 444, + - 552, + - 368, + - 449, + - 479, + - 211, + - 1054, + - 903, + - 316, + - 249, + - 569, + - 591, + - 569, + - 275, + - 541, + - 191, + - 716, + - 188, + - 842, + - 264, + - 333, + - 248, + - 318, + - 228, + - 275, + 1, + - 567, + - 228, + - 115, + - 221, + - 238, + - 374, + - 197, + - 507, + - 222, + - 579, + - 258, + - 432, + - 61, + - 244, + - 345, + 2, + - 338, + 39, + - 215, + - 169, + - 58, + 0, + - 56, + - 6, + - 203, + - 131, + 1, + - 186, + - 5, + - 211, + 6, + - 380, + 11, + - 418, + - 116, + 131, + - 134, + 113, + 89, + - 4, + 71, + - 2, + - 19, + - 192, + 262, + 24, + 189, + 151, + - 133, + - 109, + 186, + - 153, + 166, + - 219, + 37, + 139, + 193, + 171, + 337, + 124, + 158, + - 61, + 141, + 226, + - 13, + 190, + 231, + 34, + 354, + 109, + 316, + 201, + 244, + 164, + 330, + - 85, + 390, + - 84, + 254, + 327, + 257, + 335, + 491, + 147, + 476, + 105, + 54, + 77, + 437, + 370, + 421, + 314, + 449, + 342, + 329, + 126, + 673, + 292, + 571, + 388, + 243, + 193, + 653, + 320, + 621, + 280, + 194, + 380, + 517, + 581, + 45, + 323, + 111, + 422, + 489, + 395, + 734, + 534, + 622, + 546, + 486, + 502, + 318, + 572, + 189, + 550, + 385, + 422, + - 157, + 153, + - 125, + 382, + - 197, + 386, + - 263, + 334, + 228, + 697, + - 188, + 1, + 51, + 297, + - 507, + 213, + - 376, + 397, + - 24, + 255, + - 547, + 89, + - 502, + - 94, + 387, + 179, + - 620, + 68, + - 684, + 112, + - 642, + - 350, + - 260, + 172, + - 438, + - 324, + 264, + 648, + - 964, + - 4, + - 1121, + 7, + - 134, + 134, + - 1133, + - 306, + 143, + 96, + - 420, + - 497, + - 1221, + - 350, + - 1527, + - 685, + - 161, + 72, + 873, + 691, + 732, + 283, + 921, + 353, + 334, + 475, + 1095, + 821, + 864, + 524, + 843, + 497, + 714, + 711, + 788, + 750, + 1076, + 714, + 1204, + 753 +}; + + + +/* Scaling factors for the lsp variability operation */ +static const Word16 lsf_hist_mean_scale[M] = { + 20000, + 20000, + 20000, + 20000, + 20000, + 18000, + 16384, + 8192, + 0, + 0 +}; + +/* + * The tables contains the following data: + * + * g_pitch (Q14), + * g_fac (Q12), (g_code = g_code0*g_fac), + * qua_ener_MR122 (Q10), (log2(g_fac)) + * qua_ener (Q10) (20*log10(g_fac)) + * + * The log2() and log10() values are calculated on the fixed point value + * (g_fac Q12) and not on the original floating point value of g_fac + * to make the quantizer/MA predictdor use corresponding values. + */ + +#define MR475_VQ_SIZE 256 + +/* The table contains the following data: + * + * g_pitch(0) (Q14) for sub- + * g_fac(0) (Q12) frame 0 and 2 + * g_pitch(1) (Q14) for sub- + * g_fac(2) (Q12) frame 1 and 3 + * + */ +static const Word32 table_gain_MR475[MR475_VQ_SIZE * 4] = { + /* + * g_pit(0), + * g_fac(0), + * g_pit(1), + * g_fac(1) + */ 812, + 128, + 542, + 140, + 2873, + 1135, + 2266, + 3402, + 2067, + 563, + 12677, + 647, + 4132, + 1798, + 5601, + 5285, + 7689, + 374, + 3735, + 441, + 10912, + 2638, + 11807, + 2494, + 20490, + 797, + 5218, + 675, + 6724, + 8354, + 5282, + 1696, + 1488, + 428, + 5882, + 452, + 5332, + 4072, + 3583, + 1268, + 2469, + 901, + 15894, + 1005, + 14982, + 3271, + 10331, + 4858, + 3635, + 2021, + 2596, + 835, + 12360, + 4892, + 12206, + 1704, + 13432, + 1604, + 9118, + 2341, + 3968, + 1538, + 5479, + 9936, + 3795, + 417, + 1359, + 414, + 3640, + 1569, + 7995, + 3541, + 11405, + 645, + 8552, + 635, + 4056, + 1377, + 16608, + 6124, + 11420, + 700, + 2007, + 607, + 12415, + 1578, + 11119, + 4654, + 13680, + 1708, + 11990, + 1229, + 7996, + 7297, + 13231, + 5715, + 2428, + 1159, + 2073, + 1941, + 6218, + 6121, + 3546, + 1804, + 8925, + 1802, + 8679, + 1580, + 13935, + 3576, + 13313, + 6237, + 6142, + 1130, + 5994, + 1734, + 14141, + 4662, + 11271, + 3321, + 12226, + 1551, + 13931, + 3015, + 5081, + 10464, + 9444, + 6706, + 1689, + 683, + 1436, + 1306, + 7212, + 3933, + 4082, + 2713, + 7793, + 704, + 15070, + 802, + 6299, + 5212, + 4337, + 5357, + 6676, + 541, + 6062, + 626, + 13651, + 3700, + 11498, + 2408, + 16156, + 716, + 12177, + 751, + 8065, + 11489, + 6314, + 2256, + 4466, + 496, + 7293, + 523, + 10213, + 3833, + 8394, + 3037, + 8403, + 966, + 14228, + 1880, + 8703, + 5409, + 16395, + 4863, + 7420, + 1979, + 6089, + 1230, + 9371, + 4398, + 14558, + 3363, + 13559, + 2873, + 13163, + 1465, + 5534, + 1678, + 13138, + 14771, + 7338, + 600, + 1318, + 548, + 4252, + 3539, + 10044, + 2364, + 10587, + 622, + 13088, + 669, + 14126, + 3526, + 5039, + 9784, + 15338, + 619, + 3115, + 590, + 16442, + 3013, + 15542, + 4168, + 15537, + 1611, + 15405, + 1228, + 16023, + 9299, + 7534, + 4976, + 1990, + 1213, + 11447, + 1157, + 12512, + 5519, + 9475, + 2644, + 7716, + 2034, + 13280, + 2239, + 16011, + 5093, + 8066, + 6761, + 10083, + 1413, + 5002, + 2347, + 12523, + 5975, + 15126, + 2899, + 18264, + 2289, + 15827, + 2527, + 16265, + 10254, + 14651, + 11319, + 1797, + 337, + 3115, + 397, + 3510, + 2928, + 4592, + 2670, + 7519, + 628, + 11415, + 656, + 5946, + 2435, + 6544, + 7367, + 8238, + 829, + 4000, + 863, + 10032, + 2492, + 16057, + 3551, + 18204, + 1054, + 6103, + 1454, + 5884, + 7900, + 18752, + 3468, + 1864, + 544, + 9198, + 683, + 11623, + 4160, + 4594, + 1644, + 3158, + 1157, + 15953, + 2560, + 12349, + 3733, + 17420, + 5260, + 6106, + 2004, + 2917, + 1742, + 16467, + 5257, + 16787, + 1680, + 17205, + 1759, + 4773, + 3231, + 7386, + 6035, + 14342, + 10012, + 4035, + 442, + 4194, + 458, + 9214, + 2242, + 7427, + 4217, + 12860, + 801, + 11186, + 825, + 12648, + 2084, + 12956, + 6554, + 9505, + 996, + 6629, + 985, + 10537, + 2502, + 15289, + 5006, + 12602, + 2055, + 15484, + 1653, + 16194, + 6921, + 14231, + 5790, + 2626, + 828, + 5615, + 1686, + 13663, + 5778, + 3668, + 1554, + 11313, + 2633, + 9770, + 1459, + 14003, + 4733, + 15897, + 6291, + 6278, + 1870, + 7910, + 2285, + 16978, + 4571, + 16576, + 3849, + 15248, + 2311, + 16023, + 3244, + 14459, + 17808, + 11847, + 2763, + 1981, + 1407, + 1400, + 876, + 4335, + 3547, + 4391, + 4210, + 5405, + 680, + 17461, + 781, + 6501, + 5118, + 8091, + 7677, + 7355, + 794, + 8333, + 1182, + 15041, + 3160, + 14928, + 3039, + 20421, + 880, + 14545, + 852, + 12337, + 14708, + 6904, + 1920, + 4225, + 933, + 8218, + 1087, + 10659, + 4084, + 10082, + 4533, + 2735, + 840, + 20657, + 1081, + 16711, + 5966, + 15873, + 4578, + 10871, + 2574, + 3773, + 1166, + 14519, + 4044, + 20699, + 2627, + 15219, + 2734, + 15274, + 2186, + 6257, + 3226, + 13125, + 19480, + 7196, + 930, + 2462, + 1618, + 4515, + 3092, + 13852, + 4277, + 10460, + 833, + 17339, + 810, + 16891, + 2289, + 15546, + 8217, + 13603, + 1684, + 3197, + 1834, + 15948, + 2820, + 15812, + 5327, + 17006, + 2438, + 16788, + 1326, + 15671, + 8156, + 11726, + 8556, + 3762, + 2053, + 9563, + 1317, + 13561, + 6790, + 12227, + 1936, + 8180, + 3550, + 13287, + 1778, + 16299, + 6599, + 16291, + 7758, + 8521, + 2551, + 7225, + 2645, + 18269, + 7489, + 16885, + 2248, + 17882, + 2884, + 17265, + 3328, + 9417, + 20162, + 11042, + 8320, + 1286, + 620, + 1431, + 583, + 5993, + 2289, + 3978, + 3626, + 5144, + 752, + 13409, + 830, + 5553, + 2860, + 11764, + 5908, + 10737, + 560, + 5446, + 564, + 13321, + 3008, + 11946, + 3683, + 19887, + 798, + 9825, + 728, + 13663, + 8748, + 7391, + 3053, + 2515, + 778, + 6050, + 833, + 6469, + 5074, + 8305, + 2463, + 6141, + 1865, + 15308, + 1262, + 14408, + 4547, + 13663, + 4515, + 3137, + 2983, + 2479, + 1259, + 15088, + 4647, + 15382, + 2607, + 14492, + 2392, + 12462, + 2537, + 7539, + 2949, + 12909, + 12060, + 5468, + 684, + 3141, + 722, + 5081, + 1274, + 12732, + 4200, + 15302, + 681, + 7819, + 592, + 6534, + 2021, + 16478, + 8737, + 13364, + 882, + 5397, + 899, + 14656, + 2178, + 14741, + 4227, + 14270, + 1298, + 13929, + 2029, + 15477, + 7482, + 15815, + 4572, + 2521, + 2013, + 5062, + 1804, + 5159, + 6582, + 7130, + 3597, + 10920, + 1611, + 11729, + 1708, + 16903, + 3455, + 16268, + 6640, + 9306, + 1007, + 9369, + 2106, + 19182, + 5037, + 12441, + 4269, + 15919, + 1332, + 15357, + 3512, + 11898, + 14141, + 16101, + 6854, + 2010, + 737, + 3779, + 861, + 11454, + 2880, + 3564, + 3540, + 9057, + 1241, + 12391, + 896, + 8546, + 4629, + 11561, + 5776, + 8129, + 589, + 8218, + 588, + 18728, + 3755, + 12973, + 3149, + 15729, + 758, + 16634, + 754, + 15222, + 11138, + 15871, + 2208, + 4673, + 610, + 10218, + 678, + 15257, + 4146, + 5729, + 3327, + 8377, + 1670, + 19862, + 2321, + 15450, + 5511, + 14054, + 5481, + 5728, + 2888, + 7580, + 1346, + 14384, + 5325, + 16236, + 3950, + 15118, + 3744, + 15306, + 1435, + 14597, + 4070, + 12301, + 15696, + 7617, + 1699, + 2170, + 884, + 4459, + 4567, + 18094, + 3306, + 12742, + 815, + 14926, + 907, + 15016, + 4281, + 15518, + 8368, + 17994, + 1087, + 2358, + 865, + 16281, + 3787, + 15679, + 4596, + 16356, + 1534, + 16584, + 2210, + 16833, + 9697, + 15929, + 4513, + 3277, + 1085, + 9643, + 2187, + 11973, + 6068, + 9199, + 4462, + 8955, + 1629, + 10289, + 3062, + 16481, + 5155, + 15466, + 7066, + 13678, + 2543, + 5273, + 2277, + 16746, + 6213, + 16655, + 3408, + 20304, + 3363, + 18688, + 1985, + 14172, + 12867, + 15154, + 15703, + 4473, + 1020, + 1681, + 886, + 4311, + 4301, + 8952, + 3657, + 5893, + 1147, + 11647, + 1452, + 15886, + 2227, + 4582, + 6644, + 6929, + 1205, + 6220, + 799, + 12415, + 3409, + 15968, + 3877, + 19859, + 2109, + 9689, + 2141, + 14742, + 8830, + 14480, + 2599, + 1817, + 1238, + 7771, + 813, + 19079, + 4410, + 5554, + 2064, + 3687, + 2844, + 17435, + 2256, + 16697, + 4486, + 16199, + 5388, + 8028, + 2763, + 3405, + 2119, + 17426, + 5477, + 13698, + 2786, + 19879, + 2720, + 9098, + 3880, + 18172, + 4833, + 17336, + 12207, + 5116, + 996, + 4935, + 988, + 9888, + 3081, + 6014, + 5371, + 15881, + 1667, + 8405, + 1183, + 15087, + 2366, + 19777, + 7002, + 11963, + 1562, + 7279, + 1128, + 16859, + 1532, + 15762, + 5381, + 14708, + 2065, + 20105, + 2155, + 17158, + 8245, + 17911, + 6318, + 5467, + 1504, + 4100, + 2574, + 17421, + 6810, + 5673, + 2888, + 16636, + 3382, + 8975, + 1831, + 20159, + 4737, + 19550, + 7294, + 6658, + 2781, + 11472, + 3321, + 19397, + 5054, + 18878, + 4722, + 16439, + 2373, + 20430, + 4386, + 11353, + 26526, + 11593, + 3068, + 2866, + 1566, + 5108, + 1070, + 9614, + 4915, + 4939, + 3536, + 7541, + 878, + 20717, + 851, + 6938, + 4395, + 16799, + 7733, + 10137, + 1019, + 9845, + 964, + 15494, + 3955, + 15459, + 3430, + 18863, + 982, + 20120, + 963, + 16876, + 12887, + 14334, + 4200, + 6599, + 1220, + 9222, + 814, + 16942, + 5134, + 5661, + 4898, + 5488, + 1798, + 20258, + 3962, + 17005, + 6178, + 17929, + 5929, + 9365, + 3420, + 7474, + 1971, + 19537, + 5177, + 19003, + 3006, + 16454, + 3788, + 16070, + 2367, + 8664, + 2743, + 9445, + 26358, + 10856, + 1287, + 3555, + 1009, + 5606, + 3622, + 19453, + 5512, + 12453, + 797, + 20634, + 911, + 15427, + 3066, + 17037, + 10275, + 18883, + 2633, + 3913, + 1268, + 19519, + 3371, + 18052, + 5230, + 19291, + 1678, + 19508, + 3172, + 18072, + 10754, + 16625, + 6845, + 3134, + 2298, + 10869, + 2437, + 15580, + 6913, + 12597, + 3381, + 11116, + 3297, + 16762, + 2424, + 18853, + 6715, + 17171, + 9887, + 12743, + 2605, + 8937, + 3140, + 19033, + 7764, + 18347, + 3880, + 20475, + 3682, + 19602, + 3380, + 13044, + 19373, + 10526, + 23124 +}; + + +/* table used in 'high' rates: MR67 MR74 */ +#define VQ_SIZE_HIGHRATES 128 +static const Word32 table_gain_highrates[VQ_SIZE_HIGHRATES * 4] = { + /* + * Note: every 4th value (qua_ener) contains the original values from IS641 + * to ensure bit-exactness; however, they are not exactly the + * rounded value of (20*log10(g_fac)) + */ /* +* g_pit, +* g_fac, +* qua_ener_MR122, +* qua_ener +*/ 577, + 662, + - 2692, + - 16214, + 806, + 1836, + - 1185, + - 7135, + 3109, + 1052, + - 2008, + - 12086, + 4181, + 1387, + - 1600, + - 9629, + 2373, + 1425, + - 1560, + - 9394, + 3248, + 1985, + - 1070, + - 6442, + 1827, + 2320, + - 840, + - 5056, + 941, + 3314, + - 313, + - 1885, + 2351, + 2977, + - 471, + - 2838, + 3616, + 2420, + - 777, + - 4681, + 3451, + 3096, + - 414, + - 2490, + 2955, + 4301, + 72, + 434, + 1848, + 4500, + 139, + 836, + 3884, + 5416, + 413, + 2484, + 1187, + 7210, + 835, + 5030, + 3083, + 9000, + 1163, + 7002, + 7384, + 883, + - 2267, + - 13647, + 5962, + 1506, + - 1478, + - 8900, + 5155, + 2134, + - 963, + - 5800, + 7944, + 2009, + - 1052, + - 6335, + 6507, + 2250, + - 885, + - 5327, + 7670, + 2752, + - 588, + - 3537, + 5952, + 3016, + - 452, + - 2724, + 4898, + 3764, + - 125, + - 751, + 6989, + 3588, + - 196, + - 1177, + 8174, + 3978, + - 43, + - 260, + 6064, + 4404, + 107, + 645, + 7709, + 5087, + 320, + 1928, + 5523, + 6021, + 569, + 3426, + 7769, + 7126, + 818, + 4926, + 6060, + 7938, + 977, + 5885, + 5594, + 11487, + 1523, + 9172, + 10581, + 1356, + - 1633, + - 9831, + 9049, + 1597, + - 1391, + - 8380, + 9794, + 2035, + - 1033, + - 6220, + 8946, + 2415, + - 780, + - 4700, + 10296, + 2584, + - 681, + - 4099, + 9407, + 2734, + - 597, + - 3595, + 8700, + 3218, + - 356, + - 2144, + 9757, + 3395, + - 277, + - 1669, + 10177, + 3892, + - 75, + - 454, + 9170, + 4528, + 148, + 891, + 10152, + 5004, + 296, + 1781, + 9114, + 5735, + 497, + 2993, + 10500, + 6266, + 628, + 3782, + 10110, + 7631, + 919, + 5534, + 8844, + 8727, + 1117, + 6728, + 8956, + 12496, + 1648, + 9921, + 12924, + 976, + - 2119, + - 12753, + 11435, + 1755, + - 1252, + - 7539, + 12138, + 2328, + - 835, + - 5024, + 11388, + 2368, + - 810, + - 4872, + 10700, + 3064, + - 429, + - 2580, + 12332, + 2861, + - 530, + - 3192, + 11722, + 3327, + - 307, + - 1848, + 11270, + 3700, + - 150, + - 904, + 10861, + 4413, + 110, + 663, + 12082, + 4533, + 150, + 902, + 11283, + 5205, + 354, + 2132, + 11960, + 6305, + 637, + 3837, + 11167, + 7534, + 900, + 5420, + 12128, + 8329, + 1049, + 6312, + 10969, + 10777, + 1429, + 8604, + 10300, + 17376, + 2135, + 12853, + 13899, + 1681, + - 1316, + - 7921, + 12580, + 2045, + - 1026, + - 6179, + 13265, + 2439, + - 766, + - 4610, + 14033, + 2989, + - 465, + - 2802, + 13452, + 3098, + - 413, + - 2482, + 12396, + 3658, + - 167, + - 1006, + 13510, + 3780, + - 119, + - 713, + 12880, + 4272, + 62, + 374, + 13533, + 4861, + 253, + 1523, + 12667, + 5457, + 424, + 2552, + 13854, + 6106, + 590, + 3551, + 13031, + 6483, + 678, + 4084, + 13557, + 7721, + 937, + 5639, + 12957, + 9311, + 1213, + 7304, + 13714, + 11551, + 1532, + 9221, + 12591, + 15206, + 1938, + 11667, + 15113, + 1540, + - 1445, + - 8700, + 15072, + 2333, + - 832, + - 5007, + 14527, + 2511, + - 723, + - 4352, + 14692, + 3199, + - 365, + - 2197, + 15382, + 3560, + - 207, + - 1247, + 14133, + 3960, + - 50, + - 300, + 15102, + 4236, + 50, + 298, + 14332, + 4824, + 242, + 1454, + 14846, + 5451, + 422, + 2542, + 15306, + 6083, + 584, + 3518, + 14329, + 6888, + 768, + 4623, + 15060, + 7689, + 930, + 5602, + 14406, + 9426, + 1231, + 7413, + 15387, + 9741, + 1280, + 7706, + 14824, + 14271, + 1844, + 11102, + 13600, + 24939, + 2669, + 16067, + 16396, + 1969, + - 1082, + - 6517, + 16817, + 2832, + - 545, + - 3283, + 15713, + 2843, + - 539, + - 3248, + 16104, + 3336, + - 303, + - 1825, + 16384, + 3963, + - 49, + - 294, + 16940, + 4579, + 165, + 992, + 15711, + 4599, + 171, + 1030, + 16222, + 5448, + 421, + 2537, + 16832, + 6382, + 655, + 3945, + 15745, + 7141, + 821, + 4944, + 16326, + 7469, + 888, + 5343, + 16611, + 8624, + 1100, + 6622, + 17028, + 10418, + 1379, + 8303, + 15905, + 11817, + 1565, + 9423, + 16878, + 14690, + 1887, + 11360, + 16515, + 20870, + 2406, + 14483, + 18142, + 2083, + - 999, + - 6013, + 19401, + 3178, + - 375, + - 2257, + 17508, + 3426, + - 264, + - 1589, + 20054, + 4027, + - 25, + - 151, + 18069, + 4249, + 54, + 326, + 18952, + 5066, + 314, + 1890, + 17711, + 5402, + 409, + 2461, + 19835, + 6192, + 610, + 3676, + 17950, + 7014, + 795, + 4784, + 21318, + 7877, + 966, + 5816, + 17910, + 9289, + 1210, + 7283, + 19144, + 9290, + 1210, + 7284, + 20517, + 11381, + 1510, + 9089, + 18075, + 14485, + 1866, + 11234, + 19999, + 17882, + 2177, + 13108, + 18842, + 32764, + 3072, + 18494 +}; + +/* table used in 'low' rates: MR475, MR515, MR59 */ +#define VQ_SIZE_LOWRATES 64 +static const Word32 table_gain_lowrates[VQ_SIZE_LOWRATES * 4] = { + /* + * g_pit, + * g_fac, + * qua_ener_MR122, + * qua_ener + */ 10813, + 28753, + 2879, + 17333, + 20480, + 2785, + - 570, + - 3431, + 18841, + 6594, + 703, + 4235, + 6225, + 7413, + 876, + 5276, + 17203, + 10444, + 1383, + 8325, + 21626, + 1269, + - 1731, + - 10422, + 21135, + 4423, + 113, + 683, + 11304, + 1556, + - 1430, + - 8609, + 19005, + 12820, + 1686, + 10148, + 17367, + 2498, + - 731, + - 4398, + 17858, + 4833, + 244, + 1472, + 9994, + 2498, + - 731, + - 4398, + 17530, + 7864, + 964, + 5802, + 14254, + 1884, + - 1147, + - 6907, + 15892, + 3153, + - 387, + - 2327, + 6717, + 1802, + - 1213, + - 7303, + 18186, + 20193, + 2357, + 14189, + 18022, + 3031, + - 445, + - 2678, + 16711, + 5857, + 528, + 3181, + 8847, + 4014, + - 30, + - 180, + 15892, + 8970, + 1158, + 6972, + 18022, + 1392, + - 1594, + - 9599, + 16711, + 4096, + 0, + 0, + 8192, + 655, + - 2708, + - 16305, + 15237, + 13926, + 1808, + 10884, + 14254, + 3112, + - 406, + - 2444, + 14090, + 4669, + 193, + 1165, + 5406, + 2703, + - 614, + - 3697, + 13434, + 6553, + 694, + 4180, + 12451, + 901, + - 2237, + - 13468, + 12451, + 2662, + - 637, + - 3833, + 3768, + 655, + - 2708, + - 16305, + 14745, + 23511, + 2582, + 15543, + 19169, + 2457, + - 755, + - 4546, + 20152, + 5079, + 318, + 1913, + 6881, + 4096, + 0, + 0, + 20480, + 8560, + 1089, + 6556, + 19660, + 737, + - 2534, + - 15255, + 19005, + 4259, + 58, + 347, + 7864, + 2088, + - 995, + - 5993, + 11468, + 12288, + 1623, + 9771, + 15892, + 1474, + - 1510, + - 9090, + 15728, + 4628, + 180, + 1086, + 9175, + 1433, + - 1552, + - 9341, + 16056, + 7004, + 793, + 4772, + 14827, + 737, + - 2534, + - 15255, + 15073, + 2252, + - 884, + - 5321, + 5079, + 1228, + - 1780, + - 10714, + 13271, + 17326, + 2131, + 12827, + 16547, + 2334, + - 831, + - 5002, + 15073, + 5816, + 518, + 3118, + 3932, + 3686, + - 156, + - 938, + 14254, + 8601, + 1096, + 6598, + 16875, + 778, + - 2454, + - 14774, + 15073, + 3809, + - 107, + - 646, + 6062, + 614, + - 2804, + - 16879, + 9338, + 9256, + 1204, + 7251, + 13271, + 1761, + - 1247, + - 7508, + 13271, + 3522, + - 223, + - 1343, + 2457, + 1966, + - 1084, + - 6529, + 11468, + 5529, + 443, + 2668, + 10485, + 737, + - 2534, + - 15255, + 11632, + 3194, + - 367, + - 2212, + 1474, + 778, + - 2454, + - 14774 +}; + +static const Word32 inter6[61] = { + 29443, + 28346, + 25207, + 20449, + 14701, + 8693, + 3143, + - 1352, + - 4402, + - 5865, + - 5850, + - 4673, + - 2783, + - 672, + 1211, + 2536, + 3130, + 2991, + 2259, + 1170, + 0, + - 1001, + - 1652, + - 1868, + - 1666, + - 1147, + - 464, + 218, + 756, + 1060, + 1099, + 904, + 550, + 135, + - 245, + - 514, + - 634, + - 602, + - 451, + - 231, + 0, + 191, + 308, + 340, + 296, + 198, + 78, + - 36, + - 120, + - 163, + - 165, + - 132, + - 79, + - 19, + 34, + 73, + 91, + 89, + 70, + 38, + 0 +}; + +/* + * window for non-MR122 modesm; uses 40 samples lookahead + * used only in BuildCNParam + */ +static const Word32 window_200_40[L_WINDOW] = { + 2621, 2623, 2629, 2638, 2651, 2668, 2689, 2713, 2741, 2772, + 2808, 2847, 2890, 2936, 2986, 3040, 3097, 3158, 3223, 3291, + 3363, 3438, 3517, 3599, 3685, 3774, 3867, 3963, 4063, 4166, + 4272, 4382, 4495, 4611, 4731, 4853, 4979, 5108, 5240, 5376, + 5514, 5655, 5800, 5947, 6097, 6250, 6406, 6565, 6726, 6890, + 7057, 7227, 7399, 7573, 7750, 7930, 8112, 8296, 8483, 8672, + 8863, 9057, 9252, 9450, 9650, 9852, 10055, 10261, 10468, 10677, + 10888, 11101, 11315, 11531, 11748, 11967, 12187, 12409, 12632, 12856, + 13082, 13308, 13536, 13764, 13994, 14225, 14456, 14688, 14921, 15155, + 15389, 15624, 15859, 16095, 16331, 16568, 16805, 17042, 17279, 17516, + 17754, 17991, 18228, 18465, 18702, 18939, 19175, 19411, 19647, 19882, + 20117, 20350, 20584, 20816, 21048, 21279, 21509, 21738, 21967, 22194, + 22420, 22644, 22868, 23090, 23311, 23531, 23749, 23965, 24181, 24394, + 24606, 24816, 25024, 25231, 25435, 25638, 25839, 26037, 26234, 26428, + 26621, 26811, 26999, 27184, 27368, 27548, 27727, 27903, 28076, 28247, + 28415, 28581, 28743, 28903, 29061, 29215, 29367, 29515, 29661, 29804, + 29944, 30081, 30214, 30345, 30472, 30597, 30718, 30836, 30950, 31062, + 31170, 31274, 31376, 31474, 31568, 31659, 31747, 31831, 31911, 31988, + 32062, 32132, 32198, 32261, 32320, 32376, 32428, 32476, 32521, 32561, + 32599, 32632, 32662, 32688, 32711, 32729, 32744, 32755, 32763, 32767, + 32767, 32741, 32665, 32537, 32359, 32129, 31850, 31521, 31143, 30716, + 30242, 29720, 29151, 28538, 27879, 27177, 26433, 25647, 24821, 23957, + 23055, 22117, 21145, 20139, 19102, 18036, 16941, 15820, 14674, 13505, + 12315, 11106, 9879, 8637, 7381, 6114, 4838, 3554, 2264, 971 +}; + + + + +/* comparision optimization tables */ +/* definition of bad speech */ +static const UWord8 table_speech_bad[9] = {0, 0, 1, 1, 0, 0, 0, 1, 0}; +static const UWord8 table_SID[9] = {0, 0, 0, 0, 1, 1, 1, 0, 0}; +static const UWord8 table_DTX[9] = {0, 0, 0, 0, 1, 1, 1, 1, 0}; +static const UWord8 table_mute[9] = {0, 0, 0, 0, 1, 0, 1, 1, 0}; + +/* track start positions for fixed codebook routines */ +static const Word8 startPos[16] = { + 0, + 2, + 0, + 3, + 0, + 2, + 0, + 3, + 1, + 3, + 2, + 4, + 1, + 4, + 1, + 4 +}; + + + +#ifdef ENABLE_CPU2_DECODER +CPU2_DATA_END +#endif + +#endif + diff --git a/audio_codec/libamr/sp_dec.c b/audio_codec/libamr/sp_dec.c new file mode 100644 index 0000000..8ccca93 --- a/dev/null +++ b/audio_codec/libamr/sp_dec.c @@ -0,0 +1,6078 @@ +/* + * =================================================================== + * TS 26.104 + * R99 V3.5.0 2003-03 + * REL-4 V4.4.0 2003-03 + * REL-5 V5.1.0 2003-03 + * 3GPP AMR Floating-point Speech Codec + * =================================================================== + * + */ + +/* + * sp_dec.c + * + * + * Project: + * AMR Floating-Point Codec + * + * Contains: + * This module contains all the functions needed decoding AMR + * encoder parameters to 16-bit speech samples + * + */ +/* + * include files + */ +#include +#include +#include +#include +#include "sp_dec.h" +#include "rom_dec.h" + + +/* + * Declare structure types + */ +enum DTXStateType { + SPEECH = 0, DTX, DTX_MUTE +}; + +/* + * Decoder memory structure + */ +typedef struct { + /* history vector of past synthesis speech energy */ + Word32 frameEnergyHist[L_ENERGYHIST]; + + + /* state flags */ + Word16 bgHangover; /* counter; number of frames after last speech frame */ + + +} Bgn_scdState; +typedef struct { + Word32 hangCount; /* counter; */ + /* history vector of past synthesis speech energy */ + Word32 cbGainHistory[L_CBGAINHIST]; + Word16 hangVar; /* counter; */ + +} Cb_gain_averageState; +typedef struct { + Word32 lsp_meanSave[M]; /* Averaged LSPs saved for efficiency */ + + +} lsp_avgState; +typedef struct { + Word32 past_r_q[M]; /* Past quantized prediction error, Q15 */ + Word32 past_lsf_q[M]; /* Past dequantized lsfs, Q15 */ + + +} D_plsfState; +typedef struct { + Word32 pbuf[5]; + Word32 past_gain_pit; + Word32 prev_gp; + + +} ec_gain_pitchState; +typedef struct { + Word32 gbuf[5]; + Word32 past_gain_code; + Word32 prev_gc; + + +} ec_gain_codeState; +typedef struct { + /* + * normal MA predictor memory, Q10 + * (contains 20*log10(quaErr)) + */ + Word32 past_qua_en[4]; + + + /* + * MA predictor memory for MR122 mode, Q10 + * (contains log2(quaErr)) + */ + Word32 past_qua_en_MR122[4]; + + +} gc_predState; +typedef struct { + Word32 gainMem[PHDGAINMEMSIZE]; + Word32 prevCbGain; + Word32 prevState; + Word16 lockFull; + Word16 onset; + + +} ph_dispState; +typedef struct { + enum DTXStateType dtxGlobalState; /* contains previous state */ + + Word32 log_en; + Word32 old_log_en; + Word32 pn_seed_rx; + Word32 lsp[M]; + Word32 lsp_old[M]; + Word32 lsf_hist[M * DTX_HIST_SIZE]; + Word32 lsf_hist_mean[M * DTX_HIST_SIZE]; + Word32 log_en_hist[DTX_HIST_SIZE]; + Word32 true_sid_period_inv; + Word16 since_last_sid; + Word16 lsf_hist_ptr; + Word16 log_pg_mean; + Word16 log_en_hist_ptr; + Word16 log_en_adjust; + Word16 dtxHangoverCount; + Word16 decAnaElapsedCount; + Word16 sid_frame; + Word16 valid_data; + Word16 dtxHangoverAdded; + + + /* updated in main decoder */ + Word16 data_updated; /* marker to know if CNI data is ever renewed */ + + +} dtx_decState; +typedef struct { + Word32 past_gain; + + +} agcState; +typedef struct { + /* Excitation vector */ + Word32 old_exc[L_SUBFR + PIT_MAX + L_INTERPOL]; + Word32 *exc; + Word32 lsp_old[M]; + + + /* Filter's memory */ + Word32 mem_syn[M]; + + + /* pitch sharpening */ + Word32 sharp; + Word32 old_T0; + + + /* Variable holding received ltpLag, used in background noise and BFI */ + Word32 T0_lagBuff; + + + /* Variables for the source characteristic detector (SCD) */ + Word32 inBackgroundNoise; + Word32 voicedHangover; + Word32 ltpGainHistory[9]; + + + /* Memories for bad frame handling */ + Word32 excEnergyHist[9]; + Word16 prev_bf; + Word16 prev_pdf; + Word16 state; + Word16 nodataSeed; + + + Bgn_scdState * background_state; + Cb_gain_averageState * Cb_gain_averState; + lsp_avgState * lsp_avg_st; + D_plsfState * lsfState; + ec_gain_pitchState * ec_gain_p_st; + ec_gain_codeState * ec_gain_c_st; + gc_predState * pred_state; + ph_dispState * ph_disp_st; + dtx_decState * dtxDecoderState; +} Decoder_amrState; +typedef struct { + Word32 res2[L_SUBFR]; + Word32 mem_syn_pst[M]; + Word32 synth_buf[M + L_FRAME]; + Word32 preemph_state_mem_pre; + agcState * agc_state; +} Post_FilterState; +typedef struct { + Word32 y2_hi; + Word32 y2_lo; + Word32 y1_hi; + Word32 y1_lo; + Word32 x0; + Word32 x1; + + +} Post_ProcessState; +typedef struct { + Decoder_amrState * decoder_amrState; + Post_FilterState * post_state; + Post_ProcessState * postHP_state; +} Speech_Decode_FrameState; + + +/* + * CodAmrReset + * + * + * Parameters: + * state B: state structure + * mode I: AMR mode + * + * Function: + * Resets state memory + * + * Returns: + * void + */ +static void Decoder_amr_reset(Decoder_amrState *state, enum Mode mode) +{ + Word32 i; + + /* Cb_gain_average_reset */ + memset(state->Cb_gain_averState->cbGainHistory, 0, L_CBGAINHIST << 2); + state->Cb_gain_averState->hangVar = 0; + state->Cb_gain_averState->hangCount = 0; + + /* Initialize static pointer */ + state->exc = state->old_exc + PIT_MAX + L_INTERPOL; + + /* Static vectors to zero */ + memset(state->old_exc, 0, (PIT_MAX + L_INTERPOL) << 2); + + if (mode != MRDTX) { + memset(state->mem_syn, 0, M << 2); + } + + /* initialize pitch sharpening */ + state->sharp = SHARPMIN; + state->old_T0 = 40; + + /* Initialize state->lsp_old [] */ + if (mode != MRDTX) { + state->lsp_old[0] = 30000; + state->lsp_old[1] = 26000; + state->lsp_old[2] = 21000; + state->lsp_old[3] = 15000; + state->lsp_old[4] = 8000; + state->lsp_old[5] = 0; + state->lsp_old[6] = -8000; + state->lsp_old[7] = -15000; + state->lsp_old[8] = -21000; + state->lsp_old[9] = -26000; + } + + /* Initialize memories of bad frame handling */ + state->prev_bf = 0; + state->prev_pdf = 0; + state->state = 0; + state->T0_lagBuff = 40; + state->inBackgroundNoise = 0; + state->voicedHangover = 0; + + if (mode != MRDTX) { + memset(state->excEnergyHist, 0, 9 << 2); + } + memset(state->ltpGainHistory, 0, 9 << 2); + + if (mode != MRDTX) { + state->lsp_avg_st->lsp_meanSave[0] = 1384; + state->lsp_avg_st->lsp_meanSave[1] = 2077; + state->lsp_avg_st->lsp_meanSave[2] = 3420; + state->lsp_avg_st->lsp_meanSave[3] = 5108; + state->lsp_avg_st->lsp_meanSave[4] = 6742; + state->lsp_avg_st->lsp_meanSave[5] = 8122; + state->lsp_avg_st->lsp_meanSave[6] = 9863; + state->lsp_avg_st->lsp_meanSave[7] = 11092; + state->lsp_avg_st->lsp_meanSave[8] = 12714; + state->lsp_avg_st->lsp_meanSave[9] = 13701; + } + memset(state->lsfState->past_r_q, 0, M << 2); + + /* Past dequantized lsfs */ + state->lsfState->past_lsf_q[0] = 1384; + state->lsfState->past_lsf_q[1] = 2077; + state->lsfState->past_lsf_q[2] = 3420; + state->lsfState->past_lsf_q[3] = 5108; + state->lsfState->past_lsf_q[4] = 6742; + state->lsfState->past_lsf_q[5] = 8122; + state->lsfState->past_lsf_q[6] = 9863; + state->lsfState->past_lsf_q[7] = 11092; + state->lsfState->past_lsf_q[8] = 12714; + state->lsfState->past_lsf_q[9] = 13701; + + for (i = 0; i < 5; i++) { + state->ec_gain_p_st->pbuf[i] = 1640; + } + state->ec_gain_p_st->past_gain_pit = 0; + state->ec_gain_p_st->prev_gp = 16384; + + for (i = 0; i < 5; i++) { + state->ec_gain_c_st->gbuf[i] = 1; + } + state->ec_gain_c_st->past_gain_code = 0; + state->ec_gain_c_st->prev_gc = 1; + + if (mode != MRDTX) { + for (i = 0; i < NPRED; i++) { + state->pred_state->past_qua_en[i] = MIN_ENERGY; + state->pred_state->past_qua_en_MR122[i] = MIN_ENERGY_MR122; + } + } + state->nodataSeed = 21845; + + /* Static vectors to zero */ + memset(state->background_state->frameEnergyHist, 0, L_ENERGYHIST << 2); + + /* Initialize hangover handling */ + state->background_state->bgHangover = 0; + + /* phDispReset */ + memset(state->ph_disp_st->gainMem, 0, PHDGAINMEMSIZE << 2); + state->ph_disp_st->prevState = 0; + state->ph_disp_st->prevCbGain = 0; + state->ph_disp_st->lockFull = 0; + state->ph_disp_st->onset = 0; /* assume no onset in start */ + + if (mode != MRDTX) { + state->dtxDecoderState->since_last_sid = 0; + state->dtxDecoderState->true_sid_period_inv = 8192; + state->dtxDecoderState->log_en = 3500; + state->dtxDecoderState->old_log_en = 3500; + + /* low level noise for better performance in DTX handover cases*/ + state->dtxDecoderState->pn_seed_rx = PN_INITIAL_SEED; + + /* Initialize state->lsp [] */ + state->dtxDecoderState->lsp[0] = 30000; + state->dtxDecoderState->lsp[1] = 26000; + state->dtxDecoderState->lsp[2] = 21000; + state->dtxDecoderState->lsp[3] = 15000; + state->dtxDecoderState->lsp[4] = 8000; + state->dtxDecoderState->lsp[5] = 0; + state->dtxDecoderState->lsp[6] = -8000; + state->dtxDecoderState->lsp[7] = -15000; + state->dtxDecoderState->lsp[8] = -21000; + state->dtxDecoderState->lsp[9] = -26000; + + /* Initialize state->lsp_old [] */ + state->dtxDecoderState->lsp_old[0] = 30000; + state->dtxDecoderState->lsp_old[1] = 26000; + state->dtxDecoderState->lsp_old[2] = 21000; + state->dtxDecoderState->lsp_old[3] = 15000; + state->dtxDecoderState->lsp_old[4] = 8000; + state->dtxDecoderState->lsp_old[5] = 0; + state->dtxDecoderState->lsp_old[6] = -8000; + state->dtxDecoderState->lsp_old[7] = -15000; + state->dtxDecoderState->lsp_old[8] = -21000; + state->dtxDecoderState->lsp_old[9] = -26000; + state->dtxDecoderState->lsf_hist_ptr = 0; + state->dtxDecoderState->log_pg_mean = 0; + state->dtxDecoderState->log_en_hist_ptr = 0; + + /* initialize decoder lsf history */ + state->dtxDecoderState->lsf_hist[0] = 1384; + state->dtxDecoderState->lsf_hist[1] = 2077; + state->dtxDecoderState->lsf_hist[2] = 3420; + state->dtxDecoderState->lsf_hist[3] = 5108; + state->dtxDecoderState->lsf_hist[4] = 6742; + state->dtxDecoderState->lsf_hist[5] = 8122; + state->dtxDecoderState->lsf_hist[6] = 9863; + state->dtxDecoderState->lsf_hist[7] = 11092; + state->dtxDecoderState->lsf_hist[8] = 12714; + state->dtxDecoderState->lsf_hist[9] = 13701; + + for (i = 1; i < DTX_HIST_SIZE; i++) { + memcpy(&state->dtxDecoderState->lsf_hist[M * i], &state-> + dtxDecoderState->lsf_hist[0], M << 2); + } + memset(state->dtxDecoderState->lsf_hist_mean, 0, M * DTX_HIST_SIZE << 2); + + /* initialize decoder log frame energy */ + for (i = 0; i < DTX_HIST_SIZE; i++) { + state->dtxDecoderState->log_en_hist[i] = state->dtxDecoderState->log_en + ; + } + state->dtxDecoderState->log_en_adjust = 0; + state->dtxDecoderState->dtxHangoverCount = DTX_HANG_CONST; + state->dtxDecoderState->decAnaElapsedCount = 31; + state->dtxDecoderState->sid_frame = 0; + state->dtxDecoderState->valid_data = 0; + state->dtxDecoderState->dtxHangoverAdded = 0; + state->dtxDecoderState->dtxGlobalState = DTX; + state->dtxDecoderState->data_updated = 0; + } + return; +} + + +/* + * rx_dtx_handler + * + * + * Parameters: + * st->dtxGlobalState I: DTX state + * st->since_last_sid B: Frames after last SID frame + * st->data_updated I: SID update flag + * st->decAnaElapsedCount B: state machine that synch with the GSMEFR txDtx machine + * st->dtxHangoverAdded B: DTX hangover + * st->sid_frame O: SID frame indicator + * st->valid_data O: Vaild data indicator + * frame_type O: Frame type + * + * Function: + * Find the new DTX state + * + * Returns: + * DTXStateType DTX, DTX_MUTE or SPEECH + */ +static enum DTXStateType rx_dtx_handler(dtx_decState *st, enum RXFrameType frame_type) +{ + enum DTXStateType newState; + enum DTXStateType encState; + + /* DTX if SID frame or previously in DTX{_MUTE} and (NO_RX OR BAD_SPEECH) */ + if (table_SID[frame_type] | ((st->dtxGlobalState != SPEECH) & + table_speech_bad[frame_type])) { + newState = DTX; + + /* stay in mute for these input types */ + if ((st->dtxGlobalState == DTX_MUTE) & table_mute[frame_type]) { + newState = DTX_MUTE; + } + + /* + * evaluate if noise parameters are too old + * since_last_sid is reset when CN parameters have been updated + */ + st->since_last_sid += 1; + + /* no update of sid parameters in DTX for a long while */ + if ((frame_type != RX_SID_UPDATE) & (st->since_last_sid > DTX_MAX_EMPTY_THRESH)) { + newState = DTX_MUTE; + } + } else { + newState = SPEECH; + st->since_last_sid = 0; + } + + /* + * reset the decAnaElapsed Counter when receiving CNI data the first + * time, to robustify counter missmatch after handover + * this might delay the bwd CNI analysis in the new decoder slightly. + */ + if ((st->data_updated == 0) & (frame_type == RX_SID_UPDATE)) { + st->decAnaElapsedCount = 0; + } + + /* + * update the SPE-SPD DTX hangover synchronization + * to know when SPE has added dtx hangover + */ + st->decAnaElapsedCount += 1; + st->dtxHangoverAdded = 0; + encState = SPEECH; + + if (table_DTX[frame_type]) { + encState = DTX; + if ((frame_type == RX_NO_DATA) & (newState == SPEECH)) { + encState = SPEECH; + } + } + + if (encState == SPEECH) { + st->dtxHangoverCount = DTX_HANG_CONST; + } else { + if (st->decAnaElapsedCount > DTX_ELAPSED_FRAMES_THRESH) { + st->dtxHangoverAdded = 1; + st->decAnaElapsedCount = 0; + st->dtxHangoverCount = 0; + } else if (st->dtxHangoverCount == 0) { + st->decAnaElapsedCount = 0; + } else { + st->dtxHangoverCount -= 1; + } + } + + if (newState != SPEECH) { + /* + * DTX or DTX_MUTE + * CN data is not in a first SID, first SIDs are marked as SID_BAD + * but will do backwards analysis if a hangover period has been added + * according to the state machine above + */ + st->sid_frame = 0; + st->valid_data = 0; + + if (frame_type == RX_SID_FIRST) { + st->sid_frame = 1; + } else if (frame_type == RX_SID_UPDATE) { + st->sid_frame = 1; + st->valid_data = 1; + } else if (frame_type == RX_SID_BAD) { + st->sid_frame = 1; + + /* use old data */ + st->dtxHangoverAdded = 0; + } + } + + /* newState is used by both SPEECH AND DTX synthesis routines */ + return newState; +} + + +/* + * Lsf_lsp + * + * + * Parameters: + * lsf I: vector of LSFs + * lsp O: vector of LSPs + * + * Function: + * Transformation lsf to lsp, order M + * + * Returns: + * void + */ +static void Lsf_lsp(Word32 lsf[], Word32 lsp[]) +{ + Word32 i, ind, offset, tmp; + + + for (i = 0; i < M; i++) { + /* ind = b8-b15 of lsf[i] */ + ind = lsf[i] >> 8; + + /* offset = b0-b7 of lsf[i] */ + offset = lsf[i] & 0x00ff; + + /* lsp[i] = table[ind]+ ((table[ind+1]-table[ind])*offset) / 256 */ + tmp = ((cos_table[ind + 1] - cos_table[ind]) * offset) << 1; + lsp[i] = cos_table[ind] + (tmp >> 9); + } + return; +} + + +/* + * D_plsf_3 + * + * + * Parameters: + * st->past_lsf_q I: Past dequantized LFSs + * st->past_r_q B: past quantized residual + * mode I: AMR mode + * bfi B: bad frame indicator + * indice I: quantization indices of 3 submatrices, Q0 + * lsp1_q O: quantized 1st LSP vector + * + * Function: + * Decodes the LSP parameters using the received quantization indices. + * 1st order MA prediction and split by 3 vector quantization (split-VQ) + * + * Returns: + * void + */ +static void D_plsf_3(D_plsfState *st, enum Mode mode, Word16 bfi, Word16 * + indice, Word32 *lsp1_q) +{ + Word32 lsf1_r[M], lsf1_q[M]; + Word32 i, index, temp; + const Word32 *p_cb1, *p_cb2, *p_cb3, *p_dico; + + + /* if bad frame */ + if (bfi != 0) { + /* use the past LSFs slightly shifted towards their mean */ + for (i = 0; i < M; i++) { + /* lsfi_q[i] = ALPHA*past_lsf_q[i] + ONE_ALPHA*meanLsf[i]; */ + lsf1_q[i] = ((st->past_lsf_q[i] * ALPHA) >> 15) + ((mean_lsf_3[i] + * ONE_ALPHA) >> 15); + } + + /* estimate past quantized residual to be used in next frame */ + if (mode != MRDTX) { + for (i = 0; i < M; i++) { + /* temp = meanLsf[i] + pastR2_q[i] * pred_fac; */ + temp = mean_lsf_3[i] + ((st->past_r_q[i] * pred_fac[i]) >> 15); + st->past_r_q[i] = lsf1_q[i] - temp; + } + } else { + for (i = 0; i < M; i++) { + /* temp = meanLsf[i] + pastR2_q[i]; */ + temp = mean_lsf_3[i] + st->past_r_q[i]; + st->past_r_q[i] = lsf1_q[i] - temp; + } + } + } + + /* if good LSFs received */ + else { + if ((mode == MR475) | (mode == MR515)) { + /* MR475, MR515 */ + p_cb1 = dico1_lsf_3; + p_cb2 = dico2_lsf_3; + p_cb3 = mr515_3_lsf; + } else if (mode == MR795) { + /* MR795 */ + p_cb1 = mr795_1_lsf; + p_cb2 = dico2_lsf_3; + p_cb3 = dico3_lsf_3; + } else { + /* MR59, MR67, MR74, MR102, MRDTX */ + p_cb1 = dico1_lsf_3; + p_cb2 = dico2_lsf_3; + p_cb3 = dico3_lsf_3; + } + + /* decode prediction residuals from 3 received indices */ + index = *indice++; + p_dico = &p_cb1[index + index + index]; + index = *indice++; + lsf1_r[0] = *p_dico++; + lsf1_r[1] = *p_dico++; + lsf1_r[2] = *p_dico++; + + if ((mode == MR475) | (mode == MR515)) { + /* MR475, MR515 only using every second entry */ + index = index << 1; + } + p_dico = &p_cb2[index + index + index]; + index = *indice++; + lsf1_r[3] = *p_dico++; + lsf1_r[4] = *p_dico++; + lsf1_r[5] = *p_dico++; + p_dico = &p_cb3[index << 2]; + lsf1_r[6] = *p_dico++; + lsf1_r[7] = *p_dico++; + lsf1_r[8] = *p_dico++; + lsf1_r[9] = *p_dico++; + + /* Compute quantized LSFs and update the past quantized residual */ + if (mode != MRDTX) { + for (i = 0; i < M; i++) { + lsf1_q[i] = lsf1_r[i] + (mean_lsf_3[i] + ((st->past_r_q[i] * + pred_fac[i]) >> 15)); + } + memcpy(st->past_r_q, lsf1_r, M << 2); + } else { + for (i = 0; i < M; i++) { + lsf1_q[i] = lsf1_r[i] + (mean_lsf_3[i] + st->past_r_q[i]); + } + memcpy(st->past_r_q, lsf1_r, M << 2); + } + } + + /* verification that LSFs has minimum distance of LSF_GAP Hz */ + temp = LSF_GAP; + + for (i = 0; i < M; i++) { + if (lsf1_q[i] < temp) { + lsf1_q[i] = temp; + } + temp = lsf1_q[i] + LSF_GAP; + } + memcpy(st->past_lsf_q, lsf1_q, M << 2); + + /* convert LSFs to the cosine domain */ + Lsf_lsp(lsf1_q, lsp1_q); + return; +} + + +/* + * pseudonoise + * + * + * Parameters: + * shift_reg B: Old CN generator shift register state + * no_bits I: Number of bits + * + * Function: + * pseudonoise + * + * Returns: + * noise_bits + */ +static Word32 pseudonoise(Word32 *shift_reg, Word32 no_bits) +{ + Word32 noise_bits, Sn, i; + Word32 s_reg; + + + s_reg = *shift_reg; + noise_bits = 0; + + for (i = 0; i < no_bits; i++) { + /* State n == 31 */ + Sn = s_reg & 0x00000001L; + + /* State n == 3 */ + if (s_reg & 0x10000000L) { + Sn = Sn ^ 0x1L; + } else { + Sn = Sn ^ 0x0L; + } + noise_bits = (noise_bits << 1) | (s_reg & 1); + s_reg = s_reg >> 1; + + if (Sn & 1) { + s_reg = s_reg | 0x40000000L; + } + } + *shift_reg = s_reg; + return noise_bits; +} + + +/* + * Lsp_lsf + * + * + * Parameters: + * lsp I: LSP vector (range: -1<=val<1) + * lsf O: LSF vector Old CN generator shift register state + * + * Function: + * Transformation lsp to lsf, LPC order M + * lsf[i] = arccos(lsp[i])/(2*pi) + * + * Returns: + * void + */ +static void Lsp_lsf(Word32 lsp[], Word32 lsf[]) +{ + Word32 i, ind = 63; /* begin at end of table -1 */ + + + for (i = M - 1; i >= 0; i--) { + /* find value in table that is just greater than lsp[i] */ + while (cos_table[ind] < lsp[i]) { + ind--; + } + lsf[i] = ((((lsp[i] - cos_table[ind]) * acos_slope[ind]) + 0x800) + >> 12) + (ind << 8); + } + return; +} + + +/* + * Reorder_lsf + * + * + * Parameters: + * lsf B: vector of LSFs (range: 0<=val<=0.5) + * min_dist I: minimum required distance + * + * Function: + * Make sure that the LSFs are properly ordered and to keep a certain minimum + * distance between adjacent LSFs. LPC order = M. + * + * Returns: + * void + */ +static void Reorder_lsf(Word32 *lsf, Word32 min_dist) +{ + Word32 lsf_min, i; + + + lsf_min = min_dist; + + for (i = 0; i < M; i++) { + if (lsf[i] < lsf_min) { + lsf[i] = lsf_min; + } + lsf_min = lsf[i] + min_dist; + } +} + +/* VC5.0 Global optimization does not work with this function */ +#if _MSC_VER == 1100 +#pragma optimize( "g", off ) +#endif +/* + * Get_lsp_pol + * + * + * Parameters: + * lsp I: line spectral frequencies + * f O: polynomial F1(z) or F2(z) + * + * Function: + * Find the polynomial F1(z) or F2(z) from the LSPs. + * + * F1(z) = product ( 1 - 2 lsp[i] z^-1 + z^-2 ) + * i=0,2,4,6,8 + * F2(z) = product ( 1 - 2 lsp[i] z^-1 + z^-2 ) + * i=1,3,5,7,9 + * + * where lsp[] is the LSP vector in the cosine domain. + * + * The expansion is performed using the following recursion: + * + * f[0] = 1 + * b = -2.0 * lsp[0] + * f[1] = b + * for i=2 to 5 do + * b = -2.0 * lsp[2*i-2]; + * f[i] = b*f[i-1] + 2.0*f[i-2]; + * for j=i-1 down to 2 do + * f[j] = f[j] + b*f[j-1] + f[j-2]; + * f[1] = f[1] + b; + * + * Returns: + * void + */ +static void Get_lsp_pol(Word32 *lsp, Word32 *f) +{ + Word32 f0, f1, f2, f3, f4, f5; + Word32 l1, l2, l3, l4; + + /* f[0] = 1.0; */ + f0 = 16777216L; + + /* f1 = *lsp * -1024; */ + f1 = -lsp[0] << 10; + l1 = lsp[2]; + l2 = lsp[4]; + l3 = lsp[6]; + l4 = lsp[8]; + f2 = f0 << 1; + f2 -= (((f1 >> 16) * l1) + (((f1 & 0xFFFE) * l1) >> 16)) << 2; + f1 -= l1 << 10; + f3 = f1 << 1; + f3 -= (((f2 >> 16) * l2) + (((f2 & 0xFFFE) * l2) >> 16)) << 2; + f2 += f0; + f2 -= (((f1 >> 16) * l2) + (((f1 & 0xFFFE) * l2) >> 16)) << 2; + f1 -= l2 << 10; + f4 = f2 << 1; + f4 -= (((f3 >> 16) * l3) + (((f3 & 0xFFFE) * l3) >> 16)) << 2; + f3 += f1; + f3 -= (((f2 >> 16) * l3) + (((f2 & 0xFFFE) * l3) >> 16)) << 2; + f2 += f0; + f2 -= (((f1 >> 16) * l3) + (((f1 & 0xFFFE) * l3) >> 16)) << 2; + f1 -= l3 << 10; + f5 = f3 << 1; + f5 -= (((f4 >> 16) * l4) + (((f4 & 0xFFFE) * l4) >> 16)) << 2; + f4 += f2; + f4 -= (((f3 >> 16) * l4) + (((f3 & 0xFFFE) * l4) >> 16)) << 2; + f3 += f1; + f3 -= (((f2 >> 16) * l4) + (((f2 & 0xFFFE) * l4) >> 16)) << 2; + f2 += f0; + f2 -= (((f1 >> 16) * l4) + (((f1 & 0xFFFE) * l4) >> 16)) << 2; + f1 -= l4 << 10; + f[0] = f0; + f[1] = f1; + f[2] = f2; + f[3] = f3; + f[4] = f4; + f[5] = f5; + + return; +} +#if _MSC_VER == 1100 +#pragma optimize( "", on ) +#endif + + +/* + * Lsp_Az + * + * + * Parameters: + * lsp I: Line spectral frequencies + * a O: Predictor coefficients + * + * Function: + * Converts from the line spectral pairs (LSP) to LP coefficients, + * for a 10th order filter. + * + * Find the coefficients of F1(z) and F2(z) + * Multiply F1(z) by 1+z^{-1} and F2(z) by 1-z^{-1} + * A(z) = ( F1(z) + F2(z) ) / 2 + * + * Returns: + * void + */ +static void Lsp_Az(Word32 lsp[], Word32 a[]) +{ + Word32 f1[6], f2[6]; + Word32 T0, i, j; + + + Get_lsp_pol(&lsp[0], f1); + Get_lsp_pol(&lsp[1], f2); + + for (i = 5; i > 0; i--) { + f1[i] += f1[i - 1]; + f2[i] -= f2[i - 1]; + } + a[0] = 4096; + + for (i = 1, j = 10; i <= 5; i++, j--) { + T0 = f1[i] + f2[i]; + a[i] = (Word16)(T0 >> 13); /* emulate fixed point bug */ + if ((T0 & 4096) != 0) { + a[i]++; + } + T0 = f1[i] - f2[i]; + a[j] = (Word16)(T0 >> 13); /* emulate fixed point bug */ + + if ((T0 & 4096) != 0) { + a[j]++; + } + } + return; +} + + +/* + * A_Refl + * + * + * Parameters: + * a I: Directform coefficients + * refl O: Reflection coefficients + * + * Function: + * Converts from the directform coefficients to reflection coefficients + * + * Returns: + * void + */ +static void A_Refl(Word32 a[], Word32 refl[]) +{ + /* local variables */ + int normShift; + Word32 aState[M], bState[M]; + Word32 normProd, acc, temp, mult, scale, i, j; + + + /* initialize states */ + memcpy(aState, a, M << 2); + + /* backward Levinson recursion */ + for (i = M - 1; i >= 0; i--) { + if (labs(aState[i]) >= 4096) { + goto ExitRefl; + } + refl[i] = aState[i] << 3; + temp = (refl[i] * refl[i]) << 1; + acc = (MAX_32 - temp); + normShift = 0; + if (acc != 0) { + temp = acc; + while (!(temp & 0x40000000)) { + normShift++; + temp = temp << 1; + } + } else { + normShift = 0; + } + scale = 15 - normShift; + acc = (acc << normShift); + temp = (acc + (Word32)0x00008000L); + + if (temp > 0) { + normProd = temp >> 16; + mult = 0x20000000L / normProd; + } else { + mult = 16384; + } + + for (j = 0; j < i; j++) { + acc = aState[j] << 16; + acc -= (refl[i] * aState[i - j - 1]) << 1; + temp = (acc + (Word32)0x00008000L) >> 16; + temp = (mult * temp) << 1; + + if (scale > 0) { + if ((temp & ((Word32)1 << (scale - 1))) != 0) { + temp = (temp >> scale) + 1; + } else { + temp = (temp >> scale); + } + } else { + temp = (temp >> scale); + } + + if (labs(temp) > 32767) { + goto ExitRefl; + } + bState[j] = temp; + } + memcpy(aState, bState, i << 2); + } + return; +ExitRefl: + memset(refl, 0, M << 2); +} + + +/* + * Log2_norm + * + * + * Parameters: + * x I: input value + * exp I: exponent + * exponent O: Integer part of Log2. (range: 0<=val<=30) + * fraction O: Fractional part of Log2. (range: 0<=val<1) + * + * Function: + * Computes log2 + * + * Computes log2(L_x, exp), where L_x is positive and + * normalized, and exp is the normalisation exponent + * If L_x is negative or zero, the result is 0. + * + * The function Log2(L_x) is approximated by a table and linear + * interpolation. The following steps are used to compute Log2(L_x) + * + * exponent = 30-normExponent + * i = bit25-b31 of L_x; 32<=i<=63 (because of normalization). + * a = bit10-b24 + * i -=32 + * fraction = table[i]<<16 - (table[i] - table[i+1]) * a * 2 + * + * Returns: + * void + */ +static void Log2_norm(Word32 x, Word32 exp, Word32 *exponent, Word32 * + fraction) +{ + Word32 y, i, a; + + + if (x <= 0) { + *exponent = 0; + *fraction = 0; + return; + } + + /* Extract b25-b31 */ + i = x >> 25; + i = i - 32; + + /* Extract b10-b24 of fraction */ + a = x >> 9; + a = a & 0xFFFE; /* 2a */ + + /* fraction */ + y = (log2_table[i] << 16) - a * (log2_table[i] - log2_table[i + 1]); + *fraction = y >> 16; + *exponent = 30 - exp; + return; +} + + +/* + * Log2 + * + * + * Parameters: + * x I: input value + * exponent O: Integer part of Log2. (range: 0<=val<=30) + * fraction O: Fractional part of Log2. (range: 0<=val<1) + * + * Function: + * Computes log2(L_x) + * If x is negative or zero, the result is 0. + * + * Returns: + * void + */ +static void Log2(Word32 x, Word32 *exponent, Word32 *fraction) +{ + int tmp, exp = 0; + + if (x != 0) { + tmp = x; + while (!((tmp & 0x80000000) ^((tmp & 0x40000000) << 1))) { + exp++; + tmp = tmp << 1; + } + } + Log2_norm(x << exp, exp, exponent, fraction); +} + + +/* + * Pow2 + * + * + * Parameters: + * exponent I: Integer part. (range: 0<=val<=30) + * fraction O: Fractional part. (range: 0.0<=val<1.0) + * + * Function: + * pow(2.0, exponent.fraction) + * + * The function Pow2(L_x) is approximated by a table and linear interpolation. + * + * i = bit10-b15 of fraction, 0 <= i <= 31 + * a = biT0-b9 of fraction + * x = table[i]<<16 - (table[i] - table[i+1]) * a * 2 + * x = L_x >> (30-exponent) (with rounding) + * + * Returns: + * result (range: 0<=val<=0x7fffffff) + */ +static Word32 Pow2(Word32 exponent, Word32 fraction) +{ + Word32 i, a, tmp, x, exp; + + + /* Extract b10-b16 of fraction */ + i = fraction >> 10; + + /* Extract b0-b9 of fraction */ + a = (fraction << 5) & 0x7fff; + + /* table[i] << 16 */ + x = pow2_table[i] << 16; + + /* table[i] - table[i+1] */ + tmp = pow2_table[i] - pow2_table[i + 1]; + + /* L_x -= tmp*a*2 */ + x -= (tmp * a) << 1; + + if (exponent >= -1) { + exp = (30 - exponent); + + /* Rounding */ + if ((x & ((Word32)1 << (exp - 1))) != 0) { + x = (x >> exp) + 1; + } else { + x = x >> exp; + } + } else { + x = 0; + } + return(x); +} + + +/* + * Build_CN_code + * + * + * Parameters: + * seed B: Old CN generator shift register state + * cod O: Generated CN fixed codebook vector + * + * Function: + * Generate CN fixed codebook vector + * + * Returns: + * void + */ +static void Build_CN_code(Word32 *seed, Word32 cod[]) +{ + Word32 i, j, k; + + + memset(cod, 0, L_SUBFR << 2); + + for (k = 0; k < 10; k++) { + i = pseudonoise(seed, 2); /* generate pulse position */ + i = (i * 20) >> 1; + i = (i + k); + j = pseudonoise(seed, 1); /* generate sign */ + + if (j > 0) { + cod[i] = 4096; + } else { + cod[i] = -4096; + } + } + return; +} + + +/* + * Build_CN_param + * + * + * Parameters: + * seed B: Old CN generator shift register state + * nParam I: number of params + * paramSizeTable I: size of params + * parm O: CN Generated params + * + * Function: + * Generate parameters for comfort noise generation + * + * Returns: + * void + */ +static void Build_CN_param(Word16 *seed, enum Mode mode, Word16 parm[]) +{ + Word32 i; + const Word32 *p; + + + *seed = (Word16)((*seed * 31821) + 13849L); + p = &window_200_40[ * seed & 0x7F]; + + switch (mode) { + case MR122: + for (i = 0; i < PRMNO_MR122; i++) { + parm[i] = (Word16)(*p++ & ~(0xFFFF << bitno_MR122[i])); + } + break; + + case MR102: + for (i = 0; i < PRMNO_MR102; i++) { + parm[i] = (Word16)(*p++ & ~(0xFFFF << bitno_MR102[i])); + } + break; + + case MR795: + for (i = 0; i < PRMNO_MR795; i++) { + parm[i] = (Word16)(*p++ & ~(0xFFFF << bitno_MR795[i])); + } + break; + + case MR74: + for (i = 0; i < PRMNO_MR74; i++) { + parm[i] = (Word16)(*p++ & ~(0xFFFF << bitno_MR74[i])); + } + break; + + case MR67: + for (i = 0; i < PRMNO_MR67; i++) { + parm[i] = (Word16)(*p++ & ~(0xFFFF << bitno_MR67[i])); + } + break; + + case MR59: + for (i = 0; i < PRMNO_MR59; i++) { + parm[i] = (Word16)(*p++ & ~(0xFFFF << bitno_MR59[i])); + } + break; + + case MR515: + for (i = 0; i < PRMNO_MR515; i++) { + parm[i] = (Word16)(*p++ & ~(0xFFFF << bitno_MR515[i])); + } + break; + + case MR475: + for (i = 0; i < PRMNO_MR475; i++) { + parm[i] = (Word16)(*p++ & ~(0xFFFF << bitno_MR475[i])); + } + break; + } +} + + +/* + * Syn_filt + * + * + * Parameters: + * a I: prediction coefficients [M+1] + * x I: input signal + * y O: output signal + * lg I: size of filtering + * mem B: memory associated with this filtering + * update I: 0=no update, 1=update of memory. + * + * Function: + * Perform synthesis filtering through 1/A(z). + * + * Returns: + * void + */ +volatile int kk_entery = 0; +static Word32 Syn_filt(Word32 a[], Word32 x[], Word32 y[], Word32 lg, Word32 mem[] + , Word32 update) +{ + Word32 tmp[50]; /* malloc is slow */ + Word32 s, a0, overflow = 0; + Word32 *yy, *yy_limit; + + + /* Copy mem[] to yy[] */ + memcpy(tmp, mem, 40); + yy = tmp + M; + yy_limit = yy + lg; + a0 = a[0]; + kk_entery++; + /* Do the filtering. */ + while (yy < yy_limit) { + + s = *x++ * a0; + s -= yy[-1] * a[1]; + s -= yy[-2] * a[2]; + s -= yy[-3] * a[3]; + s -= yy[-4] * a[4]; + s -= yy[-5] * a[5]; + s -= yy[-6] * a[6]; + s -= yy[-7] * a[7]; + s -= yy[-8] * a[8]; + s -= yy[-9] * a[9]; + s -= yy[-10] * a[10]; + if (labs(s) < 0x7ffffff) { + *yy = (s + 0x800L) >> 12; + } else if (s > 0) { + *yy = 32767; + overflow = 1; + } else { + *yy = -32768; + overflow = 1; + } + yy++; + } + memcpy(y, &tmp[M], lg << 2); + + /* Update of memory if update==1 */ + if (update) { + memcpy(mem, &y[lg - M], 40); + } + return overflow; +} + +/* + * Syn_filt_overflow + * + * + * Parameters: + * a I: prediction coefficients [M+1] + * x I: input signal + * y O: output signal + * lg I: size of filtering + * mem B: memory associated with this filtering + * update I: 0=no update, 1=update of memory. + * + * Function: + * Perform synthesis filtering through 1/A(z). + * Saturate after every multiplication. + * Returns: + * void + */ +static void Syn_filt_overflow(Word32 a[], Word32 x[], Word32 y[], Word32 lg, Word32 mem[] + , Word32 update) +{ + Word32 tmp[50]; /* malloc is slow */ + Word32 i, j, s, a0; + Word32 *yy; + + + /* Copy mem[] to yy[] */ + memcpy(tmp, mem, 40); + yy = tmp + M; + a0 = a[0]; + + /* Do the filtering. */ + for (i = 0; i < lg; i++) { + s = x[i] * a0; + + for (j = 1; j <= M; j++) { + s -= a[j] * yy[ - j]; + if (s > 1073741823) { + s = 1073741823; + } else if (s < -1073741824) { + s = -1073741824; + } + } + + if (labs(s) < 0x7FFE800) { + *yy = (s + 0x800L) >> 12; + } else if (s > 0) { + *yy = 32767; + } else { + *yy = -32768; + } + yy++; + } + memcpy(y, &tmp[M], lg << 2); + + /* Update of memory if update==1 */ + if (update) { + memcpy(mem, &y[lg - M], 40); + } + return; +} + +/* + * dtx_dec + * + * + * Parameters: + * st B: DTX state struct + * mem_syn I: AMR decoder state + * lsfState B: LSF state struct + * pred_state->past_qua_en O: table of past quantized energies + * pred_state->past_qua_en_MR122 O: table of past quantized energies MR122 + * averState->hangVar O: + * averState->hangCount O: hangover variable + * new_state I: new DTX state + * mode I: AMR mode + * parm I: vector of synthesis parameters + * synth O: synthesised speech + * A_t O: decoded LP filter in 4 subframes + * + * Function: + * DTX + * + * Returns: + * void + */ +static void dtx_dec(dtx_decState *st, Word32 *mem_syn, D_plsfState *lsfState, + gc_predState *pred_state, Cb_gain_averageState *averState, enum + DTXStateType new_state, enum Mode mode, Word16 parm[], Word32 synth[], + Word32 A_t[]) +{ + Word32 ex[L_SUBFR], acoeff[11], acoeff_variab[M + 1], lsp_int[M]; + Word32 refl[M], lsf[M], lsf_int[M], lsf_int_variab[M], lsp_int_variab[M]; + Word32 i, j, int_fac, log_en_int, pred_err, log_pg_e, log_pg_m, log_pg; + Word32 negative, lsf_mean, lsf_variab_index, lsf_variab_factor, ptr; + Word16 log_en_index, log_en_int_e, log_en_int_m, level, ma_pred_init, + tmp_int_length; + + + if ((st->dtxHangoverAdded != 0) & (st->sid_frame != 0)) { + /* + * sidFirst after dtx hangover period + * or sidUpd after dtxhangover + */ + /* set log_en_adjust to correct value */ + st->log_en_adjust = dtx_log_en_adjust[mode]; + ptr = st->lsf_hist_ptr + M; + + if (ptr == 80) { + ptr = 0; + } + memcpy(&st->lsf_hist[ptr], &st->lsf_hist[st->lsf_hist_ptr], M << 2); + ptr = st->log_en_hist_ptr + 1; + + if (ptr == DTX_HIST_SIZE) { + ptr = 0; + } + st->log_en_hist[ptr] = st->log_en_hist[st->log_en_hist_ptr]; /* Q11 */ + + /* + * compute mean log energy and lsp + * from decoded signal (SID_FIRST) + */ + st->log_en = 0; + memset(lsf, 0, M << 2); + + /* average energy and lsp */ + for (i = 0; i < DTX_HIST_SIZE; i++) { + st->log_en = st->log_en + (st->log_en_hist[i] >> 3); + + for (j = 0; j < M; j++) { + lsf[j] += st->lsf_hist[i * M + j]; + } + } + + for (j = 0; j < M; j++) { + lsf[j] = lsf[j] >> 3; /* divide by 8 */ + } + Lsf_lsp(lsf, st->lsp); + + /* + * make log_en speech coder mode independent + * added again later before synthesis + */ + st->log_en = st->log_en - st->log_en_adjust; + + /* compute lsf variability vector */ + memcpy(st->lsf_hist_mean, st->lsf_hist, 80 << 2); + + for (i = 0; i < M; i++) { + lsf_mean = 0; + + /* compute mean lsf */ + for (j = 0; j < 8; j++) { + lsf_mean += st->lsf_hist_mean[i + j * M]; + } + lsf_mean = lsf_mean >> 3; + + /* + * subtract mean and limit to within reasonable limits + * moreover the upper lsf's are attenuated + */ + for (j = 0; j < 8; j++) { + /* subtract mean */ + st->lsf_hist_mean[i + j * M] = st->lsf_hist_mean[i + j * M] - + lsf_mean; + + /* attenuate deviation from mean, especially for upper lsf's */ + st->lsf_hist_mean[i + j * M] = (st->lsf_hist_mean[i + j * M] * + lsf_hist_mean_scale[i]) >> 15; + + /* limit the deviation */ + if (st->lsf_hist_mean[i + j * M] < 0) { + negative = 1; + } else { + negative = 0; + } + st->lsf_hist_mean[i + j * M] = labs(st->lsf_hist_mean[i + j * M]); + + /* apply soft limit */ + if (st->lsf_hist_mean[i + j * M] > 655) { + st->lsf_hist_mean[i + j * M] = 655 + ((st->lsf_hist_mean[i + j + * M] - 655) >> 2); + } + + /* apply hard limit */ + if (st->lsf_hist_mean[i + j * M] > 1310) { + st->lsf_hist_mean[i + j * M] = 1310; + } + + if (negative != 0) { + st->lsf_hist_mean[i + j * M] = -st->lsf_hist_mean[i + j * M]; + } + } + } + } + + if (st->sid_frame != 0) { + /* + * Set old SID parameters, always shift + * even if there is no new valid_data + */ + memcpy(st->lsp_old, st->lsp, M << 2); + st->old_log_en = st->log_en; + + if (st->valid_data != 0) { /* new data available (no CRC) */ + /* Compute interpolation factor, since the division only works + * for values of since_last_sid < 32 we have to limit the + * interpolation to 32 frames + */ + tmp_int_length = st->since_last_sid; + st->since_last_sid = 0; + + if (tmp_int_length > 32) { + tmp_int_length = 32; + } + + if (tmp_int_length >= 2) { + st->true_sid_period_inv = 0x2000000 / (tmp_int_length + << 10); + } else { + st->true_sid_period_inv = 16384; /* 0.5 it Q15 */ + } + memcpy(lsfState->past_r_q, &past_rq_init[parm[0] * M], M << 2); + D_plsf_3(lsfState, MRDTX, 0, &parm[1], st->lsp); + + /* reset for next speech frame */ + memset(lsfState->past_r_q, 0, M << 2); + log_en_index = parm[4]; + + /* Q11 and divide by 4 */ + st->log_en = (Word16)(log_en_index << 9); + + /* Subtract 2.5 in Q11 */ + st->log_en = (Word16)(st->log_en - 5120); + + /* Index 0 is reserved for silence */ + if (log_en_index == 0) { + st->log_en = MIN_16; + } + + /* + * no interpolation at startup after coder reset + * or when SID_UPD has been received right after SPEECH + */ + if ((st->data_updated == 0) || (st->dtxGlobalState == SPEECH)) { + memcpy(st->lsp_old, st->lsp, M << 2); + st->old_log_en = st->log_en; + } + } /* endif valid_data */ + + /* initialize gain predictor memory of other modes */ + ma_pred_init = (Word16)((st->log_en >> 1) - 9000); + + if (ma_pred_init > 0) { + ma_pred_init = 0; + } + + if (ma_pred_init < - 14436) { + ma_pred_init = -14436; + } + pred_state->past_qua_en[0] = ma_pred_init; + pred_state->past_qua_en[1] = ma_pred_init; + pred_state->past_qua_en[2] = ma_pred_init; + pred_state->past_qua_en[3] = ma_pred_init; + + /* past_qua_en for other modes than MR122 */ + ma_pred_init = (Word16)((5443 * ma_pred_init) >> 15); + + /* scale down by factor 20*log10(2) in Q15 */ + pred_state->past_qua_en_MR122[0] = ma_pred_init; + pred_state->past_qua_en_MR122[1] = ma_pred_init; + pred_state->past_qua_en_MR122[2] = ma_pred_init; + pred_state->past_qua_en_MR122[3] = ma_pred_init; + } /* endif sid_frame */ + + /* + * CN generation + * recompute level adjustment factor Q11 + * st->log_en_adjust = 0.9*st->log_en_adjust + + * 0.1*dtx_log_en_adjust[mode]); + */ + st->log_en_adjust = (Word16)(((st->log_en_adjust * 29491) >> 15) + (( + (dtx_log_en_adjust[mode] << 5) * 3277) >> 20)); + + /* Interpolate SID info */ + /* Q10 */ + if (st->since_last_sid > 30) { + int_fac = 32767; + } else { + int_fac = (Word16)((st->since_last_sid + 1) << 10); + } + + /* Q10 * Q15 -> Q10 */ + int_fac = (int_fac * st->true_sid_period_inv) >> 15; + + /* Maximize to 1.0 in Q10 */ + if (int_fac > 1024) { + int_fac = 1024; + } + + /* Q10 -> Q14 */ + int_fac = (Word16)(int_fac << 4); + + /* Q14 * Q11->Q26 */ + log_en_int = (int_fac * st->log_en) << 1; + + for (i = 0; i < M; i++) { + /* Q14 * Q15 -> Q14 */ + lsp_int[i] = (int_fac * st->lsp[i]) >> 15; + } + + /* 1-k in Q14 */ + int_fac = 16384 - int_fac; + + /* (Q14 * Q11 -> Q26) + Q26 -> Q26 */ + log_en_int += (int_fac * st->old_log_en) << 1; + + for (i = 0; i < M; i++) { + /* Q14 + (Q14 * Q15 -> Q14) -> Q14 */ + lsp_int[i] = lsp_int[i] + ((int_fac * st->lsp_old[i]) >> 15); + + /* Q14 -> Q15 */ + lsp_int[i] = lsp_int[i] << 1; + } + + /* compute the amount of lsf variability */ + /* -0.6 in Q12 */ + lsf_variab_factor = st->log_pg_mean - 2457; + + /* *0.3 Q12*Q15 -> Q12 */ + lsf_variab_factor = 4096 - ((lsf_variab_factor * 9830) >> 15); + + /* limit to values between 0..1 in Q12 */ + if (lsf_variab_factor >= 4096) { + lsf_variab_factor = 32767; + } else if (lsf_variab_factor < 0) { + lsf_variab_factor = 0; + } else { + lsf_variab_factor = lsf_variab_factor << 3; /* -> Q15 */ + } + + /* get index of vector to do variability with */ + lsf_variab_index = pseudonoise(&st->pn_seed_rx, 3); + + /* convert to lsf */ + Lsp_lsf(lsp_int, lsf_int); + + /* apply lsf variability */ + memcpy(lsf_int_variab, lsf_int, M << 2); + + for (i = 0; i < M; i++) { + lsf_int_variab[i] = lsf_int_variab[i] + ((lsf_variab_factor * st-> + lsf_hist_mean[i + lsf_variab_index * M]) >> 15); + } + + /* make sure that LSP's are ordered */ + Reorder_lsf(lsf_int, LSF_GAP); + Reorder_lsf(lsf_int_variab, LSF_GAP); + + /* copy lsf to speech decoders lsf state */ + memcpy(lsfState->past_lsf_q, lsf_int, M << 2); + + /* convert to lsp */ + Lsf_lsp(lsf_int, lsp_int); + Lsf_lsp(lsf_int_variab, lsp_int_variab); + + /* Compute acoeffs Q12 acoeff is used for level + * normalization and Post_Filter, acoeff_variab is + * used for synthesis filter + * by doing this we make sure that the level + * in high frequenncies does not jump up and down + */ + Lsp_Az(lsp_int, acoeff); + Lsp_Az(lsp_int_variab, acoeff_variab); + + /* For use in Post_Filter */ + memcpy(&A_t[0], acoeff, MP1 << 2); + memcpy(&A_t[MP1], acoeff, MP1 << 2); + memcpy(&A_t[MP1 << 1], acoeff, MP1 << 2); + memcpy(&A_t[MP1 + MP1 + MP1], acoeff, MP1 << 2); + + /* Compute reflection coefficients Q15 */ + A_Refl(&acoeff[1], refl); + + /* Compute prediction error in Q15 */ + /* 0.99997 in Q15 */ + pred_err = MAX_16; + + for (i = 0; i < M; i++) { + pred_err = (pred_err * (MAX_16 - ((refl[i] * refl[i]) >> 15))) >> + 15; + } + + /* compute logarithm of prediction gain */ + Log2(pred_err, &log_pg_e, &log_pg_m); + + /* convert exponent and mantissa to Word16 Q12 */ + /* Q12 */ + log_pg = (log_pg_e - 15) << 12; + /* saturate */ + if (log_pg < -32768) { + log_pg = -32768; + } + log_pg = (-(log_pg + (log_pg_m >> 3))) >> 1; + st->log_pg_mean = (Word16)(((29491 * st->log_pg_mean) >> 15) + ((3277 + * log_pg) >> 15)); + + /* Compute interpolated log energy */ + /* Q26 -> Q16 */ + log_en_int = log_en_int >> 10; + + /* Add 4 in Q16 */ + log_en_int += 262144L; + + /* subtract prediction gain */ + log_en_int = log_en_int - (log_pg << 4); + + /* adjust level to speech coder mode */ + log_en_int += st->log_en_adjust << 5; + log_en_int_e = (Word16)(log_en_int >> 16); + log_en_int_m = (Word16)((log_en_int - (log_en_int_e << 16)) >> 1); + + /* Q4 */ + level = (Word16)(Pow2(log_en_int_e, log_en_int_m)); + + for (i = 0; i < 4; i++) { + /* Compute innovation vector */ + Build_CN_code(&st->pn_seed_rx, ex); + + for (j = 0; j < L_SUBFR; j++) { + ex[j] = (level * ex[j]) >> 15; + } + + /* Synthesize */ + Syn_filt(acoeff_variab, ex, &synth[i * L_SUBFR], L_SUBFR, mem_syn, 1); + } /* next i */ + + /* reset codebook averaging variables */ + averState->hangVar = 20; + averState->hangCount = 0; + + if (new_state == DTX_MUTE) { + /* + * mute comfort noise as it has been quite a long time since + * last SID update was performed + */ + Word32 num, denom; + + + tmp_int_length = st->since_last_sid; + + if (tmp_int_length > 32) { + tmp_int_length = 32; + } + + if (tmp_int_length == 1) { + st->true_sid_period_inv = MAX_16; + } else { + num = 1024; + denom = (tmp_int_length << 10); + st->true_sid_period_inv = 0; + + for (i = 0; i < 15; i++) { + st->true_sid_period_inv <<= 1; + num <<= 1; + + if (num >= denom) { + num = num - denom; + st->true_sid_period_inv += 1; + } + } + } + st->since_last_sid = 0; + memcpy(st->lsp_old, st->lsp, M << 2); + st->old_log_en = st->log_en; + + /* subtract 1/8 in Q11 i.e -6/8 dB */ + st->log_en = st->log_en - 256; + if (st->log_en < -32768) { + st->log_en = -32768; + } + } + + /* + * reset interpolation length timer + * if data has been updated. + */ + if ((st->sid_frame != 0) & ((st->valid_data != 0) || ((st->valid_data + == 0) & (st->dtxHangoverAdded != 0)))) { + st->since_last_sid = 0; + st->data_updated = 1; + } + return; +} + + +/* + * lsp_avg + * + * + * Parameters: + * st->lsp_meanSave B: LSP averages + * lsp I: LSPs + * + * Function: + * Calculate the LSP averages + * + * Returns: + * void + */ +static void lsp_avg(lsp_avgState *st, Word32 *lsp) +{ + Word32 i, tmp; + + + for (i = 0; i < M; i++) { + /* mean = 0.84*mean */ + tmp = (st->lsp_meanSave[i] << 16); + tmp -= (EXPCONST * st->lsp_meanSave[i]) << 1; + + /* Add 0.16 of newest LSPs to mean */ + tmp += (EXPCONST * lsp[i]) << 1; + + /* Save means */ + tmp += 0x00008000L; + st->lsp_meanSave[i] = tmp >> 16; + } + return; +} + + +/* + * Int_lpc_1and3 + * + * + * Parameters: + * lsp_old I: LSP vector at the 4th subfr. of past frame [M] + * lsp_mid I: LSP vector at the 2nd subframe of present frame [M] + * lsp_new I: LSP vector at the 4th subframe of present frame [M] + * Az O: interpolated LP parameters in subframes 1 and 3 + * [AZ_SIZE] + * + * Function: + * Interpolates the LSPs and converts to LPC parameters + * to get a different LP filter in each subframe. + * + * The 20 ms speech frame is divided into 4 subframes. + * The LSPs are quantized and transmitted at the 2nd and + * 4th subframes (twice per frame) and interpolated at the + * 1st and 3rd subframe. + * + * Returns: + * void + */ +static void Int_lpc_1and3(Word32 lsp_old[], Word32 lsp_mid[], Word32 lsp_new[], + Word32 Az[]) +{ + Word32 lsp[M]; + Word32 i; + + Word32 *Az1; + Az1 = Az; + /* lsp[i] = lsp_mid[i] * 0.5 + lsp_old[i] * 0.5 */ + for (i = 0; i < 10; i++) { + lsp[i] = (lsp_mid[i] >> 1) + (lsp_old[i] >> 1); + } + + /* Subframe 1 */ + Lsp_Az(lsp, Az); + Az += MP1; + + /* Subframe 2 */ + Lsp_Az(lsp_mid, Az); + Az += MP1; + + for (i = 0; i < 10; i++) { + lsp[i] = (lsp_mid[i] >> 1) + (lsp_new[i] >> 1); + } + + /* Subframe 3 */ + Lsp_Az(lsp, Az); + Az += MP1; + + /* Subframe 4 */ + Lsp_Az(lsp_new, Az); + return; +} + + +/* + * Int_lpc_1to3 + * + * + * Parameters: + * lsp_old I: LSP vector at the 4th subframe of past frame [M] + * lsp_new I: LSP vector at the 4th subframe of present frame [M] + * Az O: interpolated LP parameters in all subframes + * [AZ_SIZE] + * + * Function: + * Interpolates the LSPs and converts to LPC parameters to get a different + * LP filter in each subframe. + * + * The 20 ms speech frame is divided into 4 subframes. + * The LSPs are quantized and transmitted at the 4th + * subframes (once per frame) and interpolated at the + * 1st, 2nd and 3rd subframe. + * + * Returns: + * void + */ +static void Int_lpc_1to3(Word32 lsp_old[], Word32 lsp_new[], Word32 Az[]) +{ + Word32 lsp[M]; + Word32 i; + + + for (i = 0; i < 10; i++) { + lsp[i] = (lsp_new[i] >> 2) + (lsp_old[i] - (lsp_old[i] >> 2)); + } + + /* Subframe 1 */ + Lsp_Az(lsp, Az); + Az += MP1; + + for (i = 0; i < 10; i++) { + lsp[i] = (lsp_old[i] >> 1) + (lsp_new[i] >> 1); + } + + /* Subframe 2 */ + Lsp_Az(lsp, Az); + Az += MP1; + + for (i = 0; i < 10; i++) { + lsp[i] = (lsp_old[i] >> 2) + (lsp_new[i] - (lsp_new[i] >> 2)); + } + + /* Subframe 3 */ + Lsp_Az(lsp, Az); + Az += MP1; + + /* Subframe 4 */ + Lsp_Az(lsp_new, Az); + return; +} + + +/* + * D_plsf_5 + * + * + * Parameters: + * st->past_lsf_q I: Past dequantized LFSs + * st->past_r_q B: past quantized residual + * bfi B: bad frame indicator + * indice I: quantization indices of 3 submatrices, Q0 + * lsp1_q O: quantized 1st LSP vector + * lsp2_q O: quantized 2nd LSP vector + * + * Function: + * Decodes the 2 sets of LSP parameters in a frame + * using the received quantization indices. + * + * Returns: + * void + */ +static void D_plsf_5(D_plsfState *st, Word16 bfi, Word16 *indice, Word32 *lsp1_q + , Word32 *lsp2_q) +{ + Word32 lsf1_r[M], lsf2_r[M], lsf1_q[M], lsf2_q[M]; + Word32 i, temp1, temp2, sign; + const Word32 *p_dico; + + + /* if bad frame */ + if (bfi != 0) { + /* use the past LSFs slightly shifted towards their mean */ + for (i = 0; i < M; i += 2) { + /* lsfi_q[i] = ALPHA*st->past_lsf_q[i] + ONE_ALPHA*meanLsf[i]; */ + lsf1_q[i] = ((st->past_lsf_q[i] * ALPHA_122) >> 15) + ((mean_lsf_5[i] + * ONE_ALPHA_122) >> 15); + lsf1_q[i + 1] = ((st->past_lsf_q[i + 1] * ALPHA_122) >> 15) + (( + mean_lsf_5[i + 1] * ONE_ALPHA_122) >> 15); + } + memcpy(lsf2_q, lsf1_q, M << 2); + + /* estimate past quantized residual to be used in next frame */ + for (i = 0; i < M; i += 2) { + /* temp = meanLsf[i] + st->past_r_q[i] * LSPPpred_facMR122; */ + temp1 = mean_lsf_5[i] + ((st->past_r_q[i] * LSP_PRED_FAC_MR122) >> + 15); + temp2 = mean_lsf_5[i + 1] + ((st->past_r_q[i + 1] * LSP_PRED_FAC_MR122 + ) >> 15); + st->past_r_q[i] = lsf2_q[i] - temp1; + st->past_r_q[i + 1] = lsf2_q[i + 1] - temp2; + } + } + + /* if good LSFs received */ + else { + /* decode prediction residuals from 5 received indices */ + p_dico = &dico1_lsf_5[indice[0] << 2]; + lsf1_r[0] = *p_dico++; + lsf1_r[1] = *p_dico++; + lsf2_r[0] = *p_dico++; + lsf2_r[1] = *p_dico++; + p_dico = &dico2_lsf_5[indice[1] << 2]; + lsf1_r[2] = *p_dico++; + lsf1_r[3] = *p_dico++; + lsf2_r[2] = *p_dico++; + lsf2_r[3] = *p_dico++; + sign = (Word16)(indice[2] & 1); + i = indice[2] >> 1; + p_dico = &dico3_lsf_5[i << 2]; + + if (sign == 0) { + lsf1_r[4] = *p_dico++; + lsf1_r[5] = *p_dico++; + lsf2_r[4] = *p_dico++; + lsf2_r[5] = *p_dico++; + } else { + lsf1_r[4] = (Word16)(-(*p_dico++)); + lsf1_r[5] = (Word16)(-(*p_dico++)); + lsf2_r[4] = (Word16)(-(*p_dico++)); + lsf2_r[5] = (Word16)(-(*p_dico++)); + } + p_dico = &dico4_lsf_5[(indice[3] << 2)]; + lsf1_r[6] = *p_dico++; + lsf1_r[7] = *p_dico++; + lsf2_r[6] = *p_dico++; + lsf2_r[7] = *p_dico++; + p_dico = &dico5_lsf_5[(indice[4] << 2)]; + lsf1_r[8] = *p_dico++; + lsf1_r[9] = *p_dico++; + lsf2_r[8] = *p_dico++; + lsf2_r[9] = *p_dico++; + + /* Compute quantized LSFs and update the past quantized residual */ + for (i = 0; i < M; i++) { + temp1 = mean_lsf_5[i] + ((st->past_r_q[i] * LSP_PRED_FAC_MR122) >> + 15); + lsf1_q[i] = lsf1_r[i] + temp1; + lsf2_q[i] = lsf2_r[i] + temp1; + st->past_r_q[i] = lsf2_r[i]; + } + } + + /* verification that LSFs have minimum distance of LSF_GAP Hz */ + Reorder_lsf(lsf1_q, LSF_GAP); + Reorder_lsf(lsf2_q, LSF_GAP); + memcpy(st->past_lsf_q, lsf2_q, M << 2); + + /* convert LSFs to the cosine domain */ + Lsf_lsp(lsf1_q, lsp1_q); + Lsf_lsp(lsf2_q, lsp2_q); + return; +} + + +/* + * Dec_lag3 + * + * + * Parameters: + * index I: received pitch index + * t0_min I: minimum of search range + * t0_max I: maximum of search range + * i_subfr I: subframe flag + * T0_prev I: integer pitch delay of last subframe used + * in 2nd and 4th subframes + * T0 O: integer part of pitch lag + * T0_frac O : fractional part of pitch lag + * flag4 I : flag for encoding with 4 bits + * Function: + * Decoding of fractional pitch lag with 1/3 resolution. + * Extract the integer and fraction parts of the pitch lag from + * the received adaptive codebook index. + * + * The fractional lag in 1st and 3rd subframes is encoded with 8 bits + * while that in 2nd and 4th subframes is relatively encoded with 4, 5 + * and 6 bits depending on the mode. + * + * Returns: + * void + */ +static void Dec_lag3(Word32 index, Word32 t0_min, Word32 t0_max, Word32 i_subfr + , Word32 T0_prev, Word32 *T0, Word32 *T0_frac, Word32 flag4) +{ + Word32 i, tmp_lag; + + + /* if 1st or 3rd subframe */ + if (i_subfr == 0) { + if (index < 197) { + *T0 = (((index + 2) * 10923) >> 15) + 19; + i = *T0 + *T0 + *T0; + *T0_frac = (index - i) + 58; + } else { + *T0 = index - 112; + *T0_frac = 0; + } + } + + /* 2nd or 4th subframe */ + else { + if (flag4 == 0) { + /* 'normal' decoding: either with 5 or 6 bit resolution */ + i = (((index + 2) * 10923) >> 15) - 1; + *T0 = i + t0_min; + i = i + i + i; + *T0_frac = (index - 2) - i; + } else { + /* decoding with 4 bit resolution */ + tmp_lag = T0_prev; + + if ((tmp_lag - t0_min) > 5) { + tmp_lag = t0_min + 5; + } + + if ((t0_max - tmp_lag) > 4) { + tmp_lag = t0_max - 4; + } + + if (index < 4) { + i = (tmp_lag - 5); + *T0 = i + index; + *T0_frac = 0; + } else { + if (index < 12) { + i = (((index - 5) * 10923) >> 15) - 1; + *T0 = i + tmp_lag; + i = i + i + i; + *T0_frac = (index - 9) - i; + } else { + i = (index - 12) + tmp_lag; + *T0 = i + 1; + *T0_frac = 0; + } + } + } /* end if (decoding with 4 bit resolution) */ + } + return; +} + + +/* + * Pred_lt_3or6_40 + * + * + * Parameters: + * exc B: excitation buffer + * T0 I: integer pitch lag + * frac I: fraction of lag + * flag3 I: if set, upsampling rate = 3 (6 otherwise) + * + * Function: + * Compute the result of long term prediction with fractional + * interpolation of resolution 1/3 or 1/6. (Interpolated past excitation). + * + * Once the fractional pitch lag is determined, + * the adaptive codebook vector v(n) is computed by interpolating + * the past excitation signal u(n) at the given integer delay k + * and phase (fraction) : + * + * 9 9 + * v(n) = SUM[ u(n-k-i) * b60(t+i*6) ] + SUM[ u(n-k+1+i) * b60(6-t+i*6) ], + * i=0 i=0 + * n = 0, ...,39, t = 0, ...,5. + * + * The interpolation filter b60 is based on a Hamming windowed sin(x)/x + * function truncated at 59 and padded with zeros at 60 (b60(60)=0)). + * The filter has a cut-off frequency (-3 dB) at 3 600 Hz in + * the over-sampled domain. + * + * Returns: + * void + */ +static void Pred_lt_3or6_40(Word32 exc[], Word32 T0, Word32 frac, Word32 flag3) +{ + Word32 s, i; + Word32 *x0, *x1, *x2; + const Word32 *c1, *c2; + + + x0 = &exc[ - T0]; + frac = -frac; + + if (flag3 != 0) { + frac <<= 1; /* inter_3l[k] = inter6[2*k] -> k' = 2*k */ + } + + if (frac < 0) { + frac += 6; + x0--; + } + c1 = &inter6[frac]; + c2 = &inter6[6 - frac]; + + for (i = 0; i < 40; i++) { + x1 = x0++; + x2 = x0; + s = x1[0] * c1[0]; + s += x1[ - 1] * c1[6]; + s += x1[ - 2] * c1[12]; + s += x1[ - 3] * c1[18]; + s += x1[ - 4] * c1[24]; + s += x1[ - 5] * c1[30]; + s += x1[ - 6] * c1[36]; + s += x1[ - 7] * c1[42]; + s += x1[ - 8] * c1[48]; + s += x1[ - 9] * c1[54]; + s += x2[0] * c2[0]; + s += x2[1] * c2[6]; + s += x2[2] * c2[12]; + s += x2[3] * c2[18]; + s += x2[4] * c2[24]; + s += x2[5] * c2[30]; + s += x2[6] * c2[36]; + s += x2[7] * c2[42]; + s += x2[8] * c2[48]; + s += x2[9] * c2[54]; + exc[i] = (s + 0x4000) >> 15; + + } +} + + +/* + * Dec_lag6 + * + * + * Parameters: + * index I: received pitch index + * pit_min I: minimum pitch lag + * pit_max I: maximum pitch lag + * i_subfr I: subframe flag + * T0 B: integer part of pitch lag + * T0_frac O : fractional part of pitch lag + * + * Function: + * Decoding of fractional pitch lag with 1/6 resolution. + * Extract the integer and fraction parts of the pitch lag from + * the received adaptive codebook index. + * + * The fractional lag in 1st and 3rd subframes is encoded with 9 bits + * while that in 2nd and 4th subframes is relatively encoded with 6 bits. + * Note that in relative encoding only 61 values are used. If the + * decoder receives 61, 62, or 63 as the relative pitch index, it means + * that a transmission error occurred. In this case, the pitch lag from + * previous subframe (actually from previous frame) is used. + * + * Returns: + * void + */ +static void Dec_lag6(Word32 index, Word32 pit_min, Word32 pit_max, Word32 + i_subfr, Word32 *T0, Word32 *T0_frac) +{ + Word32 t0_min, t0_max, i; + + + /* if 1st or 3rd subframe */ + if (i_subfr == 0) { + if (index < 463) { + /* T0 = (index+5)/6 + 17 */ + *T0 = (index + 5) / 6 + 17; + i = *T0 + *T0 + *T0; + + /* *T0_frac = index - T0*6 + 105 */ + *T0_frac = (index - (i + i)) + 105; + } else { + *T0 = index - 368; + *T0_frac = 0; + } + } + + /* second or fourth subframe */ + else { + /* find t0_min and t0_max for 2nd (or 4th) subframe */ + t0_min = *T0 - 5; + + if (t0_min < pit_min) { + t0_min = pit_min; + } + t0_max = t0_min + 9; + + if (t0_max > pit_max) { + t0_max = pit_max; + t0_min = t0_max - 9; + } + + /* i = (index+5)/6 - 1 */ + i = (index + 5) / 6 - 1; + *T0 = i + t0_min; + i = i + i + i; + *T0_frac = (index - 3) - (i + i); + } +} + + +/* + * decompress10 + * + * + * Parameters: + * MSBs I: MSB part of the index + * LSBs I: LSB part of the index + * index1 I: index for first pos in posIndex + * index2 I: index for second pos in posIndex + * index3 I: index for third pos in posIndex + * pos_indx O: position of 3 pulses (decompressed) + * Function: + * Decompression of the linear codeword + * + * Returns: + * void + */ +static void decompress10(Word32 MSBs, Word32 LSBs, Word32 index1, Word32 index2 + , Word32 index3, Word32 pos_indx[]) +{ + Word32 divMSB; + + if (MSBs > 124) { + MSBs = 124; + } + /* + * pos_indx[index1] = ((MSBs-25*(MSBs/25))%5)*2 + (LSBs-4*(LSBs/4))%2; + * pos_indx[index2] = ((MSBs-25*(MSBs/25))/5)*2 + (LSBs-4*(LSBs/4))/2; + * pos_indx[index3] = (MSBs/25)*2 + LSBs/4; + */ + divMSB = MSBs / 25; + pos_indx[index1] = (((MSBs - 25 * (divMSB)) % 5) << 1) + (LSBs & 0x1 + ); + pos_indx[index2] = (((MSBs - 25 * (divMSB)) / 5) << 1) + ((LSBs & + 0x2) >> 1); + pos_indx[index3] = (divMSB << 1) + (LSBs >> 2); + return; +} + + +/* + * decompress_codewords + * + * + * Parameters: + * indx I: position of 8 pulses (compressed) + * pos_indx O: position index of 8 pulses (position only) + * + * Function: + * Decompression of the linear codewords to 4+three indeces + * one bit from each pulse is made robust to errors by + * minimizing the phase shift of a bit error. + * + * i0,i4,i1 => one index (7+3) bits, 3 LSBs more robust + * i2,i6,i5 => one index (7+3) bits, 3 LSBs more robust + * i3,i7 => one index (5+2) bits, 2-3 LSbs more robust + * + * Returns: + * void + */ +static void decompress_codewords(Word16 indx[], Word32 pos_indx[]) +{ + Word32 ia, ib, MSBs, LSBs, MSBs0_24, tmp; + + + /* + * First index: 10x10x10 -> 2x5x2x5x2x5-> 125x2x2x2 -> 7+1x3 bits + * MSBs = indx[NB_TRACK]/8; + * LSBs = indx[NB_TRACK]%8; + */ + MSBs = *indx >> 3; + LSBs = *indx & 0x7; + decompress10(MSBs, LSBs, 0, 4, 1, pos_indx); + + /* + * Second index: 10x10x10 -> 2x5x2x5x2x5-> 125x2x2x2 -> 7+1x3 bits + * MSBs = indx[NB_TRACK+1]/8; + * LSBs = indx[NB_TRACK+1]%8; + */ + MSBs = indx[1] >> 3; + LSBs = indx[1] & 0x7; + decompress10(MSBs, LSBs, 2, 6, 5, pos_indx); + + /* + * Third index: 10x10 -> 2x5x2x5-> 25x2x2 -> 5+1x2 bits + * MSBs = indx[NB_TRACK+2]/4; + * LSBs = indx[NB_TRACK+2]%4; + * MSBs0_24 = (MSBs*25+12)/32; + * if ((MSBs0_24/5)%2==1) + * pos_indx[3] = (4-(MSBs0_24%5))*2 + LSBs%2; + * else + * pos_indx[3] = (MSBs0_24%5)*2 + LSBs%2; + * pos_indx[7] = (MSBs0_24/5)*2 + LSBs/2; + */ + MSBs = indx[2] >> 2; + LSBs = indx[2] & 0x3; + MSBs0_24 = (((MSBs * 25) + 12) >> 5); + tmp = (MSBs0_24 * 6554) >> 15; + ia = tmp & 0x1; + ib = (MSBs0_24 - (tmp * 5)); + + if (ia == 1) { + ib = 4 - ib; + } + pos_indx[3] = (ib << 1) + (LSBs & 0x1); + pos_indx[7] = (tmp << 1) + (LSBs >> 1); +} + + +/* + * decode_2i40_9bits + * + * + * Parameters: + * subNr I: subframe number + * sign I: signs of 2 pulses + * index I: Positions of the 2 pulses + * cod O: algebraic (fixed) codebook excitation + * + * Function: + * Algebraic codebook decoder + * + * Returns: + * void + */ +static void decode_2i40_9bits(Word32 subNr, Word32 sign, Word32 index, Word32 + cod[]) +{ + Word32 pos[2]; + Word32 i, j, k; + + + /* Decode the positions */ + /* table bit is the MSB */ + j = (index & 64) >> 6; + i = index & 7; + + /* pos0 =i*5+startPos[j*8+subNr*2] */ + i = (i + (i << 2)); + k = startPos[(j << 3) + (subNr << 1)]; + pos[0] = i + k; + index = index >> 3; + i = index & 7; + + /* pos1 =i*5+startPos[j*8+subNr*2+1] */ + i = (i + (i << 2)); + k = startPos[((j << 3) + (subNr << 1)) + 1]; + pos[1] = (Word16)(i + k); + + /* decode the signs and build the codeword */ + memset(cod, 0, L_SUBFR << 2); + + for (j = 0; j < 2; j++) { + i = sign & 1; + sign = sign >> 1; + + if (i != 0) { + cod[pos[j]] = 8191; /* +1.0 */ + } else { + cod[pos[j]] = -8192; /* -1.0 */ + } + } + return; +} + + +/* + * decode_2i40_11bits + * + * + * Parameters: + * sign I: signs of 2 pulses + * index I: Positions of the 2 pulses + * cod O: algebraic (fixed) codebook excitation + * + * Function: + * Algebraic codebook decoder + * + * Returns: + * void + */ +static void decode_2i40_11bits(Word32 sign, Word32 index, Word32 cod[]) +{ + Word32 pos[2]; + Word32 i, j; + + + /* Decode the positions */ + j = index & 1; + index = index >> 1; + i = index & 7; + + /* pos0 =i*5+1+j*2 */ + i = (i + (i << 2)); + i = (i + 1); + j = (j << 1); + pos[0] = i + j; + index = index >> 3; + j = index & 3; + index = index >> 2; + i = index & 7; + + if (j == 3) { + /* pos1 =i*5+4 */ + i = (i + (i << 2)); + pos[1] = i + 4; + } else { + /* pos1 =i*5+j */ + i = (i + (i << 2)); + pos[1] = i + j; + } + + /* decode the signs and build the codeword */ + memset(cod, 0, L_SUBFR << 2); + + for (j = 0; j < 2; j++) { + i = sign & 1; + sign = sign >> 1; + + if (i != 0) { + cod[pos[j]] = 8191; /* +1.0 */ + } else { + cod[pos[j]] = -8192; /* -1.0 */ + } + } + return; +} + + +/* + * decode_3i40_14bits + * + * + * Parameters: + * sign I: signs of 3 pulses + * index I: Positions of the 3 pulses + * cod O: algebraic (fixed) codebook excitation + * + * Function: + * Algebraic codebook decoder + * + * Returns: + * void + */ +static void decode_3i40_14bits(Word32 sign, Word32 index, Word32 cod[]) +{ + Word32 pos[3]; + Word32 i, j; + + + /* Decode the positions */ + i = index & 7; + + /* pos0 =i*5 */ + pos[0] = i + (i << 2); + index = index >> 3; + j = index & 1; + index = index >> 1; + i = index & 7; + + /* pos1 =i*5+1+j*2 */ + i = (i + (i << 2)); + i = (i + 1); + j = (j << 1); + pos[1] = i + j; + index = index >> 3; + j = index & 1; + index = index >> 1; + i = index & 7; + + /* pos2 =i*5+2+j*2 */ + i = (i + (i << 2)); + i = (i + 2); + j = (j << 1); + pos[2] = i + j; + + /* decode the signs and build the codeword */ + memset(cod, 0, L_SUBFR << 2); + + for (j = 0; j < 3; j++) { + i = sign & 1; + sign = sign >> 1; + + if (i > 0) { + cod[pos[j]] = 8191; /* +1.0 */ + } else { + cod[pos[j]] = -8192; /* -1.0 */ + } + } + return; +} + + +/* + * decode_3i40_14bits + * + * + * Parameters: + * sign I: signs of 4 pulses + * index I: Positions of the 4 pulses + * cod O: algebraic (fixed) codebook excitation + * + * Function: + * Algebraic codebook decoder + * + * Returns: + * void + */ +static void decode_4i40_17bits(Word32 sign, Word32 index, Word32 cod[]) +{ + Word32 pos[4]; + Word32 i, j; + + + /* Decode the positions */ + i = index & 7; + i = dgray[i]; + + /* pos0 =i*5 */ + pos[0] = i + (i << 2); + index = index >> 3; + i = index & 7; + i = dgray[i]; + + /* pos1 =i*5+1 */ + i = (i + (i << 2)); + pos[1] = i + 1; + index = index >> 3; + i = index & 7; + i = dgray[i]; + + /* pos2 =i*5+1 */ + i = (i + (i << 2)); + pos[2] = i + 2; + index = index >> 3; + j = index & 1; + index = index >> 1; + i = index & 7; + i = dgray[i]; + + /* pos3 =i*5+3+j */ + i = (i + (i << 2)); + i = (i + 3); + pos[3] = i + j; + + /* decode the signs and build the codeword */ + memset(cod, 0, L_SUBFR << 2); + + for (j = 0; j < 4; j++) { + i = sign & 1; + sign = sign >> 1; + + if (i != 0) { + cod[pos[j]] = 8191; + } else { + cod[pos[j]] = -8192; + } + } + return; +} + + +/* + * decode_8i40_31bits + * + * + * Parameters: + * index I: index of 8 pulses (sign+position) + * cod O: algebraic (fixed) codebook excitation + * + * Function: + * Algebraic codebook decoder + * + * Returns: + * void + */ +static void decode_8i40_31bits(Word16 index[], Word32 cod[]) +{ + Word32 linear_codewords[8]; + Word32 i, j, pos1, pos2, sign; + + + memset(cod, 0, L_CODE << 2); + decompress_codewords(&index[NB_TRACK_MR102], linear_codewords); + + /* decode the positions and signs of pulses and build the codeword */ + for (j = 0; j < NB_TRACK_MR102; j++) { + /* compute index i */ + i = linear_codewords[j]; + i <<= 2; + + /* position of pulse "j" */ + pos1 = i + j; + + if (index[j] == 0) { + sign = POS_CODE; /* +1.0 */ + } else { + sign = -NEG_CODE; /* -1.0 */ + } + + /* compute index i */ + i = linear_codewords[j + 4]; + i = i << 2; + + /* position of pulse "j+4" */ + pos2 = i + j; + cod[pos1] = sign; + + if (pos2 < pos1) { + sign = -(sign); + } + cod[pos2] = cod[pos2] + sign; + } + return; +} + + +/* + * decode_10i40_35bits + * + * + * Parameters: + * index I: index of 10 pulses (sign+position) + * cod O: algebraic (fixed) codebook excitation + * + * Function: + * Algebraic codebook decoder + * + * Returns: + * void + */ +static void decode_10i40_35bits(Word16 index[], Word32 cod[]) +{ + Word32 i, j, pos1, pos2, sign, tmp; + + + memset(cod, 0, L_CODE << 2); + + /* decode the positions and signs of pulses and build the codeword */ + for (j = 0; j < 5; j++) { + /* compute index i */ + tmp = index[j]; + i = tmp & 7; + i = dgray[i]; + i = (i * 5); + + /* position of pulse "j" */ + pos1 = (i + j); + i = (tmp >> 3) & 1; + + if (i == 0) { + sign = 4096; /* +1.0 */ + } else { + sign = -4096; /* -1.0 */ + } + + /* compute index i */ + i = index[j + 5] & 7; + i = dgray[i]; + i = i * 5; + + /* position of pulse "j+5" */ + pos2 = (i + j); + cod[pos1] = sign; + + if (pos2 < pos1) { + sign = -(sign); + } + cod[pos2] = cod[pos2] + sign; + } + return; +} + + +/* + * gmed_n + * + * + * Parameters: + * ind I: values + * n I: The number of gains (odd) + * + * Function: + * Calculates N-point median. + * + * Returns: + * index of the median value + */ +static Word32 gmed_n(Word32 ind[], Word32 n) +{ + Word32 tmp[NMAX], tmp2[NMAX]; + Word32 max, medianIndex, i, j, ix = 0; + + + for (i = 0; i < n; i++) { + tmp2[i] = ind[i]; + } + + for (i = 0; i < n; i++) { + max = -32767; + + for (j = 0; j < n; j++) { + if (tmp2[j] >= max) { + max = tmp2[j]; + ix = j; + } + } + tmp2[ix] = -32768; + tmp[i] = ix; + } + medianIndex = tmp[(n >> 1)]; + return(ind[medianIndex]); +} + + +/* + * ec_gain_pitch + * + * + * Parameters: + * st->pbuf I: last five gains + * st->past_gain_pit I: past gain + * state I: state of the state machine + * gain_pitch O: pitch gain + * + * Function: + * Calculates pitch from previous values. + * + * Returns: + * void + */ +static void ec_gain_pitch(ec_gain_pitchState *st, Word16 state, Word32 * + gain_pitch) +{ + Word32 tmp; + + + /* calculate median of last five gains */ + tmp = gmed_n(st->pbuf, 5); + + /* new gain = minimum(median, past_gain) * pdown[state] */ + if (tmp > st->past_gain_pit) { + tmp = st->past_gain_pit; + } + *gain_pitch = (tmp * pdown[state]) >> 15; +} + + +/* + * d_gain_pitch + * + * + * Parameters: + * mode I: AMR mode + * index I: index of quantization + * + * Function: + * Decodes the pitch gain using the received index + * + * Returns: + * gain + */ +static Word32 d_gain_pitch(enum Mode mode, Word32 index) +{ + Word32 gain; + + + if (mode == MR122) { + /* clear 2 LSBits */ + gain = (qua_gain_pitch[index] >> 2) << 2; + } else { + gain = qua_gain_pitch[index]; + } + return gain; +} + + +/* + * ec_gain_pitch_update + * + * + * Parameters: + * st->prev_gp B: previous pitch gain + * st->past_gain_pit O: past gain + * st->pbuf B: past gain buffer + * bfi I: bad frame indicator + * prev_bf I: previous frame was bad + * gain_pitch B: pitch gain + * + * Function: + * Update the pitch gain concealment state + * Limit gain_pitch if the previous frame was bad + * + * Returns: + * gain + */ +static void ec_gain_pitch_update(ec_gain_pitchState *st, Word32 bfi, + Word32 prev_bf, Word32 *gain_pitch) +{ + if (bfi == 0) { + if (prev_bf != 0) { + if (*gain_pitch > st->prev_gp) { + *gain_pitch = st->prev_gp; + } + } + st->prev_gp = *gain_pitch; + } + st->past_gain_pit = *gain_pitch; + + /* if (st->past_gain_pit > 1.0) */ + if (st->past_gain_pit > 16384) { + st->past_gain_pit = 16384; + } + st->pbuf[0] = st->pbuf[1]; + st->pbuf[1] = st->pbuf[2]; + st->pbuf[2] = st->pbuf[3]; + st->pbuf[3] = st->pbuf[4]; + st->pbuf[4] = st->past_gain_pit; +} + + +/* + * gc_pred (366) + * + * + * Parameters: + * st->past_qua_en I: MA predictor + * st->past_qua_en_MR122 I: MA predictor MR122 + * mode I: AMR mode + * code I: innovative codebook vector + * exp_gcode0 O: predicted gain factor (exponent) + * frac_gcode0 O: predicted gain factor (fraction) + * exp_en I: innovation energy (MR795) (exponent) + * frac_en I: innovation energy (MR795) (fraction) + * + * Function: + * MA prediction of the innovation energy + * + * Mean removed innovation energy (dB) in subframe n + * N-1 + * E(n) = 10*log(gc*gc * SUM[(code(i) * code(i)]/N) - EMean + * i=0 + * N=40 + * + * Mean innovation energy (dB) + * N-1 + * Ei(n) = 10*log(SUM[(code(i) * code(i)]/N) + * i=0 + * + * Predicted energy + * 4 + * Ep(n) = SUM[b(i) * R(n-i)] + * i=1 + * b = [0.68 0.58 0.34 0.19] + * R(k) is quantified prediction error at subframe k + * + * E_Mean = 36 dB (MR122) + * + * Predicted gain gc is found by + * + * gc = POW[10, 0.05 * (Ep(n) + EMean - Ei)] + * + * Returns: + * void + */ +static void gc_pred(gc_predState *st, enum Mode mode, Word32 *code, Word32 * + exp_gcode0, Word32 *frac_gcode0, Word32 *exp_en, Word32 *frac_en) +{ + Word32 exp, frac, ener_code = 0, i = 0; + + + /* energy of code: + * ener_code = sum(code[i]^2) + */ + while (i < L_SUBFR) { + ener_code += code[i] * code[i]; + i++; + } + + if ((0x3fffffff <= ener_code) | (ener_code < 0)) { + ener_code = MAX_32; + } else { + ener_code <<= 1; + } + + if (mode == MR122) { + Word32 ener; + + + /* ener_code = ener_code / lcode; lcode = 40; 1/40 = 26214 Q20 */ + ener_code = ((ener_code + 0x00008000L) >> 16) * 52428; + + /* Q9 * Q20 -> Q30 */ + /* energy of code: + * ener_code(Q17) = 10 * Log10(energy) / constant + * = 1/2 * Log2(energy) + * constant = 20*Log10(2) + */ + /* ener_code = 1/2 * Log2(ener_code); Note: Log2=log2+30 */ + Log2(ener_code, &exp, &frac); + ener_code = ((exp - 30) << 16) + (frac << 1); + + /* Q16 for log(), ->Q17 for 1/2 log() */ + /* + * predicted energy: + * ener(Q24) = (Emean + sum{pred[i]*pastEn[i]})/constant + * = MEAN_ENER + sum(pred[i]*past_qua_en[i]) + * constant = 20*Log10(2) + */ + ener = 0; + i = 0; + + while (i < 4) { + ener += st->past_qua_en_MR122[i] * pred_MR122[i]; + i++; + } + ener <<= 1; + ener += MEAN_ENER_MR122; + + /* + * predicted codebook gain + + * gc0 = Pow10( (ener*constant - ener_code*constant) / 20 ) + * = Pow2(ener-ener_code) + * = Pow2(int(d)+frac(d)) + */ + ener = (ener - ener_code) >> 1; /* Q16 */ + *exp_gcode0 = ener >> 16; + *frac_gcode0 = (ener >> 1) - (*exp_gcode0 << 15); + } + + /* all modes except 12.2 */ + else { + Word32 tmp, gcode0; + int exp_code; + + + /* + * Compute: meansEner - 10log10(ener_code/ LSufr) + */ + exp_code = 0; + if (ener_code != 0) { + while (!(ener_code & 0x40000000)) { + exp_code++; + ener_code = ener_code << 1; + } + } + + /* Log2 = log2 + 27 */ + Log2_norm(ener_code, exp_code, &exp, &frac); + + /* fact = 10/log2(10) = 3.01 = 24660 Q13 */ + /* Q0.Q15 * Q13 -> Q14 */ + tmp = (exp * (-49320)) + (((frac * (-24660)) >> 15) << 1); + + /* + * tmp = meansEner - 10log10(ener_code/L_SUBFR) + * = meansEner - 10log10(ener_code) + 10log10(L_SUBFR) + * = K - fact * Log2(ener_code) + * = K - fact * log2(ener_code) - fact*27 + * + * ==> K = meansEner + fact*27 + 10log10(L_SUBFR) + * + * meansEner = 33 = 540672 Q14 (MR475, MR515, MR59) + * meansEner = 28.75 = 471040 Q14 (MR67) + * meansEner = 30 = 491520 Q14 (MR74) + * meansEner = 36 = 589824 Q14 (MR795) + * meansEner = 33 = 540672 Q14 (MR102) + * 10log10(L_SUBFR) = 16.02 = 262481.51 Q14 + * fact * 27 = 1331640 Q14 + * ----------------------------------------- + * (MR475, MR515, MR59) K = 2134793.51 Q14 ~= 16678 * 64 * 2 + * (MR67) K = 2065161.51 Q14 ~= 32268 * 32 * 2 + * (MR74) K = 2085641.51 Q14 ~= 32588 * 32 * 2 + * (MR795) K = 2183945.51 Q14 ~= 17062 * 64 * 2 + * (MR102) K = 2134793.51 Q14 ~= 16678 * 64 * 2 + */ + if (mode == MR102) { + /* mean = 33 dB */ + tmp += 2134784; /* Q14 */ + } else if (mode == MR795) { + /* mean = 36 dB */ + tmp += 2183936; /* Q14 */ + + /* + * ener_code = * 2^27*2^exp_code + * frac_en = ener_code / 2^16 + * = * 2^11*2^exp_code + * = *2^11*2^exp * 2^exp_en + * := frac_en * 2^exp_en + * + * ==> exp_en = -11-exp_code; + */ + *frac_en = ener_code >> 16; + *exp_en = -11 - exp_code; + } else if (mode == MR74) { + /* mean = 30 dB */ + tmp += 2085632; /* Q14 */ + } else if (mode == MR67) { + /* mean = 28.75 dB */ + tmp += 2065152; /* Q14 */ + } else { /* MR59, MR515, MR475 */ + /* mean = 33 dB */ + tmp += 2134784; /* Q14 */ + } + + /* + * Compute gcode0 + * = Sum(i=0,3) pred[i]*past_qua_en[i] - ener_code + meanEner + */ + tmp = tmp << 9; /* Q23 */ + + /* Q13 * Q10 -> Q23 */ + i = 0; + + while (i < 4) { + tmp += pred[i] * st->past_qua_en[i]; + i++; + } + gcode0 = tmp >> 15; /* Q8 */ + + /* + * gcode0 = pow(10.0, gcode0/20) + * = pow(2, 3.3219*gcode0/20) + * = pow(2, 0.166*gcode0) + */ + /* 5439 Q15 = 0.165985 */ + /* (correct: 1/(20*log10(2)) 0.166096 = 5443 Q15) */ + /* For IS641 bitexactness */ + if (mode == MR74) { + /* Q8 * Q15 -> Q24 */ + tmp = gcode0 * 10878; + } else { + /* Q8 * Q15 -> Q24 */ + tmp = gcode0 * 10886; + } + tmp = tmp >> 9; /* -> Q15 */ + + /* -> Q0.Q15 */ + *exp_gcode0 = tmp >> 15; + *frac_gcode0 = tmp - (*exp_gcode0 * 32768); + } +} + + +/* + * gc_pred_update + * + * + * Parameters: + * st->past_qua_en B: MA predictor + * st->past_qua_en_MR122 B: MA predictor MR122 + * qua_ener_MR122 I: quantized energy for update (log2(quaErr)) + * qua_ener I: quantized energy for update (20*log10(quaErr)) + * + * Function: + * Update MA predictor with last quantized energy + * + * Returns: + * void + */ +static void gc_pred_update(gc_predState *st, Word32 qua_ener_MR122, + Word32 qua_ener) +{ + Word32 i; + + + for (i = 3; i > 0; i--) { + st->past_qua_en[i] = st->past_qua_en[i - 1]; + st->past_qua_en_MR122[i] = st->past_qua_en_MR122[i - 1]; + } + st->past_qua_en_MR122[0] = qua_ener_MR122; /* log2 (quaErr), Q10 */ + st->past_qua_en[0] = qua_ener; /* 20*log10(quaErr), Q10 */ +} + + +/* + * Dec_gain + * + * + * Parameters: + * pred_state->past_qua_en B: MA predictor + * pred_state->past_qua_en_MR122 B: MA predictor MR122 + * mode I: AMR mode + * index I: index of quantization + * code I: Innovative vector + * evenSubfr I: Flag for even subframes + * gain_pit O: Pitch gain + * gain_cod O: Code gain + * + * Function: + * Decode the pitch and codebook gains + * + * Returns: + * void + */ +static void Dec_gain(gc_predState *pred_state, enum Mode mode, Word32 index, + Word32 code[], Word32 evenSubfr, Word32 *gain_pit, Word32 *gain_cod) +{ + Word32 frac, gcode0, exp, qua_ener, qua_ener_MR122, g_code, tmp; + const Word32 *p; + + + /* Read the quantized gains (table depends on mode) */ + index = index << 2; + + if ((mode == MR102) || (mode == MR74) || (mode == MR67)) { + p = &table_gain_highrates[index]; + *gain_pit = *p++; + g_code = *p++; + qua_ener_MR122 = *p++; + qua_ener = *p; + } else { + if (mode == MR475) { + index = index + ((1 - evenSubfr) << 1); + p = &table_gain_MR475[index]; + *gain_pit = *p++; + g_code = *p++; + + /* + * calculate predictor update values (not stored in 4.75 + * quantizer table to save space): + * qua_ener = log2(g) + * qua_ener_MR122 = 20*log10(g) + */ + /* Log2(x Q12) = log2(x) + 12 */ + Log2(g_code, &exp, &frac); + exp = exp - 12; + tmp = frac >> 5; + + if ((frac & ((Word16)1 << 4)) != 0) { + tmp++; + } + qua_ener_MR122 = tmp + (exp << 10); + + /* 24660 Q12 ~= 6.0206 = 20*log10(2) */ + tmp = exp * 49320; + tmp += (((frac * 24660) >> 15) << 1); + + /* Q12 * Q0 = Q13 -> Q10 */ + qua_ener = ((tmp << 13) + 0x00008000L) >> 16; + } else { + p = &table_gain_lowrates[index]; + *gain_pit = *p++; + g_code = *p++; + qua_ener_MR122 = *p++; + qua_ener = *p; + } + } + + /* + * predict codebook gain + * gc0 = Pow2(int(d)+frac(d)) + * = 2^exp + 2^frac + * gcode0 (Q14) = 2^14*2^frac = gc0 * 2^(14-exp) + */ + gc_pred(pred_state, mode, code, &exp, &frac, NULL, NULL); + gcode0 = Pow2(14, frac); + + /* + * read quantized gains, update table of past quantized energies + * st->past_qua_en(Q10) = 20 * Log10(gFac) / constant + * = Log2(gFac) + * = qua_ener + * constant = 20*Log10(2) + */ + if (exp < 11) { + *gain_cod = (g_code * gcode0) >> (25 - exp); + } else { + tmp = ((g_code * gcode0) << (exp - 9)); + + if ((tmp >> (exp - 9)) != (g_code * gcode0)) { + *gain_cod = 0x7FFF; + } else { + *gain_cod = tmp >> 16; + } + } + + /* update table of past quantized energies */ + gc_pred_update(pred_state, qua_ener_MR122, qua_ener); + return; +} + + +/* + * gc_pred_average_limited + * + * + * Parameters: + * st->past_qua_en I: MA predictor + * st->past_qua_en_MR122 I: MA predictor MR122 + * ener_avg_MR122 O: everaged quantized energy (log2(quaErr)) + * ener_avg O: averaged quantized energy (20*log10(quaErr)) + * + * Function: + * Compute average limited quantized energy + * Returns: + * void + */ +static void gc_pred_average_limited(gc_predState *st, Word32 *ener_avg_MR122, + Word32 *ener_avg) +{ + Word32 av_pred_en, i; + + + /* do average in MR122 mode (log2() domain) */ + av_pred_en = 0; + + for (i = 0; i < NPRED; i++) { + av_pred_en = (av_pred_en + st->past_qua_en_MR122[i]); + } + + /* av_pred_en = 0.25*av_pred_en */ + av_pred_en = (av_pred_en * 8192) >> 15; + + /* if (av_pred_en < -14/(20Log10(2))) av_pred_en = .. */ + if (av_pred_en < MIN_ENERGY_MR122) { + av_pred_en = MIN_ENERGY_MR122; + } + *ener_avg_MR122 = (Word16)av_pred_en; + + /* do average for other modes (20*log10() domain) */ + av_pred_en = 0; + + for (i = 0; i < NPRED; i++) { + av_pred_en = (av_pred_en + st->past_qua_en[i]); + if (av_pred_en < -32768) { + av_pred_en = -32768; + } else if (av_pred_en > 32767) { + av_pred_en = 32767; + } + } + + /* av_pred_en = 0.25*av_pred_en */ + av_pred_en = (av_pred_en * 8192) >> 15; + + *ener_avg = av_pred_en; +} + + +/* + * ec_gain_code + * + * + * Parameters: + * st->gbuf I: last five gains + * st->past_gain_code I: past gain + * pred_state B: MA predictor state + * state I: state of the state machine + * gain_code O: decoded innovation gain + * + * Function: + * Conceal the codebook gain + * + * Returns: + * void + */ +static void ec_gain_code(ec_gain_codeState *st, gc_predState *pred_state, + Word16 state, Word32 *gain_code) +{ + Word32 tmp, qua_ener_MR122, qua_ener; + + + /* calculate median of last five gain values */ + tmp = gmed_n(st->gbuf, 5); + + /* new gain = minimum(median, past_gain) * cdown[state] */ + if (tmp > st->past_gain_code) { + tmp = st->past_gain_code; + } + tmp = (tmp * cdown[state]) >> 15; + *gain_code = tmp; + + /* + * update table of past quantized energies with average of + * current values + */ + gc_pred_average_limited(pred_state, &qua_ener_MR122, &qua_ener); + gc_pred_update(pred_state, qua_ener_MR122, qua_ener); +} + + +/* + * ec_gain_code_update + * + * + * Parameters: + * st->gbuf B: last five gains + * st->past_gain_code O: past gain + * st->prev_gc B previous gain + * bfi I: bad indicator + * prev_bf I: previous frame bad indicator + * gain_code O: decoded innovation gain + * + * Function: + * Update the codebook gain concealment state + * + * Returns: + * void + */ +static void ec_gain_code_update(ec_gain_codeState *st, Word16 bfi, + Word16 prev_bf, Word32 *gain_code) +{ + /* limit gain_code by previous good gain if previous frame was bad */ + if (bfi == 0) { + if (prev_bf != 0) { + if (*gain_code > st->prev_gc) { + *gain_code = st->prev_gc; + } + } + st->prev_gc = *gain_code; + } + + /* update EC states: previous gain, gain buffer */ + st->past_gain_code = *gain_code; + st->gbuf[0] = st->gbuf[1]; + st->gbuf[1] = st->gbuf[2]; + st->gbuf[2] = st->gbuf[3]; + st->gbuf[3] = st->gbuf[4]; + st->gbuf[4] = *gain_code; + return; +} + + +/* + * d_gain_code + * + * + * Parameters: + * pred_state B: MA predictor state + * mode I: AMR mode (MR795 or MR122) + * index I: received quantization index + * code I: innovation codevector + * gain_code O: decoded innovation gain + * + * Function: + * Decode the fixed codebook gain using the received index + * + * Returns: + * void + */ +static void d_gain_code(gc_predState *pred_state, enum Mode mode, Word32 index, + Word32 code[], Word32 *gain_code) +{ + Word32 g_code0, exp, frac, qua_ener_MR122, qua_ener; + Word32 exp_inn_en, frac_inn_en, tmp, tmp2, i; + const Word32 *p; + + + /* + * Decode codebook gain + */ + gc_pred(pred_state, mode, code, &exp, &frac, &exp_inn_en, &frac_inn_en); + p = &qua_gain_code[((index + index) + index)]; + + /* Different scalings between MR122 and the other modes */ + if (mode == MR122) { + /* predicted gain */ + g_code0 = Pow2(exp, frac); + + if (g_code0 <= 2047) { + g_code0 = g_code0 << 4; + } else { + g_code0 = 32767; + } + *gain_code = ((g_code0 * *p++) >> 15) << 1; + if (*gain_code & 0xFFFF8000) { + *gain_code = 32767; + } + + } else { + g_code0 = Pow2(14, frac); + tmp = (*p++ * g_code0) << 1; + exp = 9 - exp; + + if (exp > 0) { + tmp = tmp >> exp; + } else { + for (i = exp; i < 0; i++) { + tmp2 = tmp << 1; + if ((tmp ^ tmp2) & 0x80000000) { + tmp = (tmp & 0x80000000) ? 0x80000000 : 0x7FFFFFFF; + break; + } else { + tmp = tmp2; + } + } + } + *gain_code = tmp >> 16; + if (*gain_code & 0xFFFF8000) { + *gain_code = 32767; + } + } + + /* + * update table of past quantized energies + */ + qua_ener_MR122 = *p++; + qua_ener = *p++; + gc_pred_update(pred_state, qua_ener_MR122, qua_ener); + return; +} + + +/* + * Int_lsf + * + * + * Parameters: + * lsf_old I: LSF vector at the 4th subframe of past frame + * lsf_new I: LSF vector at the 4th subframe of present frame + * i_subfr I: current subframe + * lsf_out O: interpolated LSF parameters for current subframe + * + * Function: + * Interpolates the LSFs for selected subframe + * + * The LSFs are interpolated at the 1st, 2nd and 3rd + * ubframe and only forwarded at the 4th subframe. + * + * sf1: 3/4 F0 + 1/4 F1 + * sf2: 1/2 F0 + 1/2 F1 + * sf3: 1/4 F0 + 3/4 F1 + * sf4: F1 + * + * Returns: + * void + */ +static void Int_lsf(Word32 lsf_old[], Word32 lsf_new[], int i_subfr, Word32 + lsf_out[]) +{ + Word32 i; + + + switch (i_subfr) { + case 0: + for (i = 0; i < 10; i++) { + lsf_out[i] = lsf_old[i] - (lsf_old[i] >> 2) + (lsf_new[i] >> 2); + } + break; + + case 40: + for (i = 0; i < 10; i++) { + lsf_out[i] = (lsf_old[i] >> 1) + (lsf_new[i] >> 1); + } + break; + + case 80: + for (i = 0; i < 10; i++) { + lsf_out[i] = (lsf_old[i] >> 2) - (lsf_new[i] >> 2) + + lsf_new[i]; + } + break; + + case 120: + memcpy(lsf_out, lsf_new, M << 2); + break; + } +} + + +/* + * Cb_gain_average + * + * + * Parameters: + * st->cbGainHistory B: codebook gain history + * st->hangCount B: hangover counter + * mode I: AMR mode + * gain_code I: codebook gain + * lsp I: The LSP for the current frame + * lspAver I: The average of LSP for 8 frames + * bfi I: bad frame indication + * prev_bf I: previous bad frame indication + * pdfi I: potential degraded bad frame indication + * prev_pdf I: previous potential degraded bad frame indication + * inBackgroundNoise I: background noise decision + * voicedHangover I: number of frames after last voiced frame + * + * Function: + * The mixed codebook gain, used to make codebook gain more smooth in background + * + * + * Returns: + * void + */ +static Word32 Cb_gain_average(Cb_gain_averageState *st, enum Mode mode, Word32 + gain_code, Word32 lsp[], Word32 lspAver[], Word16 bfi, Word16 prev_bf, + Word16 pdfi, Word16 prev_pdf, Word32 inBackgroundNoise, Word32 + voicedHangover) +{ + Word32 tmp[M]; + Word32 i, cbGainMix, tmp_diff, bgMix, cbGainMean, sum, diff, tmp1, tmp2; + int shift1, shift2, shift; + + + /* set correct cbGainMix for MR74, MR795, MR122 */ + cbGainMix = gain_code; + + /* + * Store list of CB gain needed in the CB gain averaging * + */ + st->cbGainHistory[0] = st->cbGainHistory[1]; + st->cbGainHistory[1] = st->cbGainHistory[2]; + st->cbGainHistory[2] = st->cbGainHistory[3]; + st->cbGainHistory[3] = st->cbGainHistory[4]; + st->cbGainHistory[4] = st->cbGainHistory[5]; + st->cbGainHistory[5] = st->cbGainHistory[6]; + st->cbGainHistory[6] = gain_code; + + /* compute lsp difference */ + for (i = 0; i < M; i++) { + tmp1 = labs(lspAver[i] - lsp[i]); + shift1 = 0; + if (tmp1 != 0) { + while (!(tmp1 & 0x2000)) { + shift1++; + tmp1 = tmp1 << 1; + } + } + tmp2 = lspAver[i]; + shift2 = 0; + if (tmp2 != 0) { + while (!(tmp2 & 0x4000)) { + shift2++; + tmp2 = tmp2 << 1; + } + } + tmp[i] = (tmp1 << 15) / tmp2; + shift = 2 + shift1 - shift2; + + if (shift >= 0) { + tmp[i] = tmp[i] >> shift; + } else { + tmp[i] = tmp[i] << -(shift); + } + } + diff = *tmp + tmp[1] + tmp[2] + tmp[3] + tmp[4] + tmp[5] + tmp[6] + tmp[7] + + tmp[8] + tmp[9]; + + /* saturate */ + if (diff > 32767) { + diff = 32767; + } + + /* Compute hangover */ + st->hangVar += 1; + + if (diff <= 5325) { + st->hangVar = 0; + } + + if (st->hangVar > 10) { + /* Speech period, reset hangover variable */ + st->hangCount = 0; + } + + /* Compute mix constant (bgMix) */ + bgMix = 8192; + + /* MR475, MR515, MR59, MR67, MR102 */ + if ((mode <= MR67) | (mode == MR102)) { + /* disable mix if too short time since */ + if ((st->hangCount >= 40) & (diff <= 5325)) { /* 0.65 in Q13 */ + /* if errors and presumed noise make smoothing probability stronger */ + if (((((pdfi != 0) & (prev_pdf != 0)) | (bfi != 0) | ( + prev_bf != 0)) & ((voicedHangover > 1)) & ( + inBackgroundNoise != 0) & (mode < MR67))) { + /* bgMix = min(0.25, max(0.0, diff-0.55)) / 0.25; */ + tmp_diff = diff - 4506; /* 0.55 in Q13 */ + + /* max(0.0, diff-0.55) */ + tmp1 = 0; + + if (tmp_diff > 0) { + tmp1 = tmp_diff; + } + + /* min(0.25, tmp1) */ + if (2048 >= tmp1) { + bgMix = tmp1 << 2; + } + } else { + /* bgMix = min(0.25, max(0.0, diff-0.40)) / 0.25; */ + tmp_diff = diff - 3277; /* 0.4 in Q13 */ + + /* max(0.0, diff-0.40) */ + tmp1 = 0; + + if (tmp_diff > 0) { + tmp1 = tmp_diff; + } + + /* min(0.25, tmp1) */ + if (2048 >= tmp1) { + bgMix = tmp1 << 2; + } + } + } + + /* + * Smoothen the cb gain trajectory + * smoothing depends on mix constant bgMix + */ + sum = st->cbGainHistory[2] + st->cbGainHistory[3] + st->cbGainHistory[4] + + st->cbGainHistory[5] + st->cbGainHistory[6]; + + if (sum > 163822) { + cbGainMean = 32767; + } else { + cbGainMean = (3277 * sum + 0x00002000L) >> 14; /* Q1 */ + } + + /* more smoothing in error and bg noise (NB no DFI used here) */ + if (((bfi != 0) | (prev_bf != 0)) & (inBackgroundNoise != 0) & ( + mode < MR67)) { + sum = 9362 * (st->cbGainHistory[0] + st->cbGainHistory[1] + st-> + cbGainHistory[2] + st->cbGainHistory[3] + st->cbGainHistory[4] + + st->cbGainHistory[5] + st->cbGainHistory[6]); + cbGainMean = (sum + 0x00008000L) >> 16; /* Q1 */ + } + + /* cbGainMix = bgMix*cbGainMix + (1-bgMix)*cbGainMean; */ + sum = bgMix * cbGainMix; /* sum in Q14 */ + sum += cbGainMean << 13; + sum -= bgMix * cbGainMean; + cbGainMix = (sum + 0x00001000L) >> 13; + + /* Q1 */ + } + st->hangCount += 1; + if (st->hangCount & 0x80000000) { + st->hangCount = 40; + } + return cbGainMix; +} + + +/* + * ph_disp + * + * + * Parameters: + * state->gainMem B: LTP gain memory + * state->prevCbGain B: Codebook gain memory + * mode I: AMR mode + * x B: LTP excitation signal -> total excitation signal + * cbGain I: Codebook gain + * ltpGain I: LTP gain + * inno B: Innovation vector + * pitch_fac I: pitch factor used to scale the LTP excitation + * tmp_shift I: shift factor applied to sum of scaled LTP ex & innov. + * before rounding + * + * Function: + * Adaptive phase dispersion; forming of total excitation + * + * + * Returns: + * void + */ +static void ph_disp(ph_dispState *state, enum Mode mode, Word32 x[], + Word32 cbGain, Word32 ltpGain, Word32 inno[], + Word32 pitch_fac, Word32 tmp_shift) +{ + Word32 inno_sav[L_SUBFR], ps_poss[L_SUBFR]; + Word32 i, i1, impNr, temp1, temp2, j, nze, nPulse, ppos; + const Word32 *ph_imp; /* Pointer to phase dispersion filter */ + + + /* Update LTP gain memory */ + state->gainMem[4] = state->gainMem[3]; + state->gainMem[3] = state->gainMem[2]; + state->gainMem[2] = state->gainMem[1]; + state->gainMem[1] = state->gainMem[0]; + state->gainMem[0] = ltpGain; + + /* basic adaption of phase dispersion */ + /* no dispersion */ + impNr = 2; + + /* if (ltpGain < 0.9) */ + if (ltpGain < PHDTHR2LTP) { + /* maximum dispersion */ + impNr = 0; + + /* if (ltpGain > 0.6 */ + if (ltpGain > PHDTHR1LTP) { + /* medium dispersion */ + impNr = 1; + } + } + + /* onset indicator */ + /* onset = (cbGain > onFact * cbGainMem[0]) */ + temp1 = ((state->prevCbGain * ONFACTPLUS1) + 0x1000) >> 13; + + if (cbGain > temp1) { + state->onset = ONLENGTH; + } else { + if (state->onset > 0) { + state->onset--; + } + } + + /* + * if not onset, check ltpGain buffer and use max phase dispersion if + * half or more of the ltpGain-parameters say so + */ + if (state->onset == 0) { + /* Check LTP gain memory and set filter accordingly */ + i1 = 0; + + for (i = 0; i < PHDGAINMEMSIZE; i++) { + if (state->gainMem[i] < PHDTHR1LTP) { + i1++; + } + } + + if (i1 > 2) { + impNr = 0; + } + } + + /* Restrict decrease in phase dispersion to one step if not onset */ + if ((impNr > (state->prevState + 1)) & (state->onset == 0)) { + impNr--; + } + + /* if onset, use one step less phase dispersion */ + if ((impNr < 2) & (state->onset > 0)) { + impNr++; + } + + /* disable for very low levels */ + if (cbGain < 10) { + impNr = 2; + } + + if (state->lockFull == 1) { + impNr = 0; + } + + /* update static memory */ + state->prevState = impNr; + state->prevCbGain = cbGain; + + /* + * do phase dispersion for all modes but 12.2 and 7.4; + * don't modify the innovation if impNr >=2 (= no phase disp) + */ + if ((mode != MR122) & (mode != MR102) & (mode != MR74) & (impNr < 2) + ) { + /* + * track pulse positions, save innovation, + * and initialize new innovation + */ + nze = 0; + + for (i = 0; i < L_SUBFR; i++) { + if (inno[i] != 0) { + ps_poss[nze] = i; + nze++; + } + } + memcpy(inno_sav, inno, L_SUBFR << 2); + memset(inno, 0, L_SUBFR << 2); + + /* Choose filter corresponding to codec mode and dispersion criterium */ + ph_imp = ph_imp_mid; + + if (impNr == 0) { + ph_imp = ph_imp_low; + } + + if (mode == MR795) { + ph_imp = ph_imp_mid_MR795; + + if (impNr == 0) { + ph_imp = ph_imp_low_MR795; + } + } + + /* Do phase dispersion of innovation */ + for (nPulse = 0; nPulse < nze; nPulse++) { + ppos = ps_poss[nPulse]; + + /* circular convolution with impulse response */ + j = 0; + + for (i = ppos; i < L_SUBFR; i++) { + /* inno[i1] += inno_sav[ppos] * ph_imp[i1-ppos] */ + temp1 = (inno_sav[ppos] * ph_imp[j++]) >> 15; + inno[i] = inno[i] + temp1; + } + + for (i = 0; i < ppos; i++) { + /* inno[i] += inno_sav[ppos] * ph_imp[L_SUBFR-ppos+i] */ + temp1 = (inno_sav[ppos] * ph_imp[j++]) >> 15; + inno[i] = inno[i] + temp1; + } + } + } + + /* + * compute total excitation for synthesis part of decoder + * (using modified innovation if phase dispersion is active) + */ + for (i = 0; i < L_SUBFR; i++) { + /* x[i] = gain_pit*x[i] + cbGain*code[i]; */ + temp1 = x[i] * pitch_fac + inno[i] * cbGain; + temp2 = temp1 << tmp_shift; + x[i] = (temp2 + 0x4000) >> 15; + if (labs(x[i]) > 32767) { + if ((temp1 ^ temp2) & 0x80000000) { + x[i] = (temp1 & 0x80000000) ? -32768 : 32767; + } else { + x[i] = (temp2 & 0x80000000) ? -32768 : 32767; + } + } + } + return; +} + + +/* + * sqrt_l_exp + * + * + * Parameters: + * x I: input value + * exp O: right shift to be applied to result + * + * Function: + * Sqrt with exponent value. + * + * y = sqrt(x) + * x = f * 2^-e, 0.5 <= f < 1 (normalization) + * y = sqrt(f) * 2^(-e/2) + * + * a) e = 2k --> y = sqrt(f) * 2^-k + * (k = e div 2, 0.707 <= sqrt(f) < 1) + * b) e = 2k+1 --> y = sqrt(f/2) * 2^-k + * (k = e div 2, 0.5 <= sqrt(f/2) < 0.707) + * + * + * Returns: + * y output value + */ +static Word32 sqrt_l_exp(Word32 x, Word32 *exp) +{ + Word32 y, a, i, tmp; + int e; + + + if (x <= (Word32)0) { + *exp = 0; + return(Word32)0; + } + e = 0; + if (x != 0) { + tmp = x; + while (!(tmp & 0x40000000)) { + e++; + tmp = tmp << 1; + } + } + e = e & 0xFFFE; + x = (x << e); + *exp = (Word16)e; + x = (x >> 9); + i = (Word16)(x >> 16); + x = (x >> 1); + a = x & (Word16)0x7fff; + i = (i - 16); + y = (sqrt_table[i] << 16); + tmp = (sqrt_table[i] - sqrt_table[i + 1]); + y -= (tmp * a) << 1; + return(y); +} + + +/* + * Ex_ctrl + * + * + * Parameters: + * excitation B: Current subframe excitation + * excEnergy I: Exc. Energy, sqrt(totEx*totEx) + * exEnergyHist I: History of subframe energies + * voicedHangover I: number of frames after last voiced frame + * prevBFI I: Set i previous bad frame indicators + * carefulFlag I: Restrict dymamic in scaling + * + * Function: + * Charaterice synthesis speech and detect background noise + * + * Returns: + * background noise decision; 0 = no bgn, 1 = bgn + */ +static Word16 Ex_ctrl(Word32 excitation[], Word32 excEnergy, Word32 + exEnergyHist[], Word32 voicedHangover, Word16 prevBFI, Word16 carefulFlag + ) +{ + Word32 i, testEnergy, scaleFactor, avgEnergy, prevEnergy, T0; + int exp; + + + /* get target level */ + avgEnergy = gmed_n(exEnergyHist, 9); + prevEnergy = (exEnergyHist[7] + exEnergyHist[8]) >> 1; + + if (exEnergyHist[8] < prevEnergy) { + prevEnergy = exEnergyHist[8]; + } + + /* upscaling to avoid too rapid energy rises for some cases */ + if ((excEnergy5)) { + /* testEnergy = 4*prevEnergy; */ + testEnergy = prevEnergy << 2; + + if ((voicedHangover < 7) || prevBFI != 0) { + /* testEnergy = 3*prevEnergy */ + testEnergy = testEnergy - prevEnergy; + } + + if (avgEnergy > testEnergy) { + avgEnergy = testEnergy; + } + + /* scaleFactor=avgEnergy/excEnergy in Q0 */ + exp = 0; + if (excEnergy != 0) { + while (!(excEnergy & 0x4000)) { + exp++; + excEnergy = excEnergy << 1; + } + } + excEnergy = 536838144 / excEnergy; + T0 = (avgEnergy * excEnergy) << 1; + T0 = (T0 >> (20 - exp)); + + if (T0 > 32767) { + /* saturate */ + T0 = 32767; + } + scaleFactor = T0; + + /* test if scaleFactor > 3.0 */ + if ((carefulFlag != 0) & (scaleFactor > 3072)) { + scaleFactor = 3072; + } + + /* scale the excitation by scaleFactor */ + for (i = 0; i < L_SUBFR; i++) { + T0 = (scaleFactor * excitation[i]) << 1; + T0 = (T0 >> 11); + excitation[i] = T0; + } + } + return 0; +} + + +/* + * Inv_sqrt + * + * + * Parameters: + * x I: input value + * + * Function: + * 1/sqrt(x) + * + * Returns: + * y 1/sqrt(x) + */ +static Word32 Inv_sqrt(Word32 x) +{ + int i, a, tmp, exp; + Word32 y; + + + if (x <= (Word32)0) { + return((Word32)0x3fffffffL); + } + exp = 0; + while (!(x & 0x40000000)) { + exp++; + x = x << 1; + } + + /* x is normalized */ + exp = (30 - exp); + + /* If exponent even -> shift right */ + if ((exp & 1) == 0) { + x = (x >> 1); + } + exp = (exp >> 1); + exp = (exp + 1); + x = (x >> 9); + + /* Extract b25-b31 */ + i = (Word16)(x >> 16); + + /* Extract b10-b24 */ + x = (x >> 1); + a = x & (Word16)0x7fff; + i = (i - 16); + + /* table[i] << 16 */ + y = inv_sqrt_table[i] << 16; + + /* table[i] - table[i+1]) */ + tmp = (inv_sqrt_table[i] - inv_sqrt_table[i + 1]); + + /* y -= tmp*a*2 */ + y -= (tmp * a) << 1; + + /* denormalization */ + y = (y >> exp); + return(y); +} + + +/* + * energy_old + * + * + * Parameters: + * in I: input value + * + * Function: + * Energy of signal + * + * Returns: + * Energy + */ +static Word32 energy_old(Word32 in[]) +{ + Word32 temp, i, sum = 0; + + + for (i = 0; i < L_SUBFR; i += 8) { + temp = in[i] >> 2; + sum += temp * temp; + temp = in[i + 1] >> 2; + sum += temp * temp; + temp = in[i + 2] >> 2; + sum += temp * temp; + temp = in[i + 3] >> 2; + sum += temp * temp; + temp = in[i + 4] >> 2; + sum += temp * temp; + temp = in[i + 5] >> 2; + sum += temp * temp; + temp = in[i + 6] >> 2; + sum += temp * temp; + temp = in[i + 7] >> 2; + sum += temp * temp; + } + + if (sum & 0xC0000000) { + return 0x7FFFFFFF; + } + return(sum << 1); +} + + +/* + * energy_new + * + * + * Parameters: + * in I: input value + * + * Function: + * Energy of signal + * + * Returns: + * Energy + */ +static Word32 energy_new(Word32 in[]) +{ + Word32 i, s = 0, overflow = 0; + + s += in[0] * in[0]; + for (i = 1; i < L_SUBFR; i += 3) { + s += in[i] * in[i]; + s += in[i + 1] * in[i + 1]; + s += in[i + 2] * in[i + 2]; + + + if (s & 0xC0000000) { + overflow = 1; + break; + } + } + + /* check for overflow */ + if (overflow) { + s = energy_old(in); + } else { + s = (s >> 3); + } + return s; +} + + +/* + * agc2 + * + * + * Parameters: + * sig_in I: Post_Filter input signal + * sig_out B: Post_Filter output signal + * + * Function: + * Scales the excitation on a subframe basis + * + * Returns: + * Energy + */ +static void agc2(Word32 *sig_in, Word32 *sig_out) +{ + Word32 s; + int i, exp; + Word16 gain_in, gain_out, g0; + + + /* calculate gain_out with exponent */ + s = energy_new(sig_out); + + if (s == 0) { + return; + } + exp = 0; + while (!(s & 0x20000000)) { + exp++; + s = s << 1; + } + + gain_out = (Word16)((s + 0x00008000L) >> 16); + + /* calculate gain_in with exponent */ + s = energy_new(sig_in); + + if (s == 0) { + g0 = 0; + } else { + i = 0; + while (!(s & 0x40000000)) { + i++; + s = s << 1; + } + + if (s < 0x7fff7fff) { + gain_in = (Word16)((s + 0x00008000L) >> 16); + } else { + gain_in = 32767; + } + exp = (exp - i); + + /* + * g0 = sqrt(gain_in/gain_out); + */ + /* s = gain_out / gain_in */ + s = (gain_out << 15) / gain_in; + s = (s << 7); + + if (exp > 0) { + s = (s >> exp); + } else { + s = (s << (-exp)); + } + s = Inv_sqrt(s); + g0 = (Word16)(((s << 9) + 0x00008000L) >> 16); + } + + /* sig_out(n) = gain(n) * sig_out(n) */ + for (i = 0; i < L_SUBFR; i++) { + sig_out[i] = (sig_out[i] * g0) >> 12; + } + return; +} + + +/* + * Bgn_scd + * + * + * Parameters: + * st->frameEnergyHist B: Frame Energy memory + * st->bgHangover B: Background hangover counter + * ltpGainHist I: LTP gain history + * speech I: synthesis speech frame + * voicedHangover O: number of frames after last voiced frame + * + * Function: + * Charaterice synthesis speech and detect background noise + * + * Returns: + * inbgNoise background noise decision; 0 = no bgn, 1 = bgn + */ +static Word16 Bgn_scd(Bgn_scdState *st, Word32 ltpGainHist[], Word32 speech[], + Word32 *voicedHangover) +{ + Word32 temp, ltpLimit, frame_energyMin, currEnergy, noiseFloor, maxEnergy, + maxEnergyLastPart, s, i; + Word16 prevVoiced, inbgNoise; + + + /* + * Update the inBackgroundNoise flag (valid for use in next frame if BFI) + * it now works as a energy detector floating on top + * not as good as a VAD. + */ + s = 0; + + for (i = 0; i < L_FRAME; i++) { + s += speech[i] * speech[i]; + } + + if ((s < 0xFFFFFFF) & (s >= 0)) { + currEnergy = s >> 13; + } else { + currEnergy = 32767; + } + frame_energyMin = 32767; + + for (i = 0; i < L_ENERGYHIST; i++) { + if (st->frameEnergyHist[i] < frame_energyMin) { + frame_energyMin = st->frameEnergyHist[i]; + } + } + + /* Frame Energy Margin of 16 */ + noiseFloor = frame_energyMin << 4; + maxEnergy = st->frameEnergyHist[0]; + + for (i = 1; i < L_ENERGYHIST - 4; i++) { + if (maxEnergy < st->frameEnergyHist[i]) { + maxEnergy = st->frameEnergyHist[i]; + } + } + maxEnergyLastPart = st->frameEnergyHist[2 * L_ENERGYHIST / 3]; + + for (i = 2 * L_ENERGYHIST / 3 + 1; i < L_ENERGYHIST; i++) { + if (maxEnergyLastPart < st->frameEnergyHist[i]) { + maxEnergyLastPart = st->frameEnergyHist[i]; + } + } + + /* false */ + inbgNoise = 0; + + /* + * Do not consider silence as noise + * Do not consider continuous high volume as noise + * Or if the current noise level is very low + * Mark as noise if under current noise limit + * OR if the maximum energy is below the upper limit + */ + if ((maxEnergy > LOWERNOISELIMIT) & (currEnergy < FRAMEENERGYLIMIT) & ( + currEnergy > LOWERNOISELIMIT) & ((currEnergy < noiseFloor) || ( + maxEnergyLastPart < UPPERNOISELIMIT))) { + if ((st->bgHangover + 1) > 30) { + st->bgHangover = 30; + } else { + st->bgHangover += 1; + } + } else { + st->bgHangover = 0; + } + + /* make final decision about frame state, act somewhat cautiosly */ + if (st->bgHangover > 1) { + inbgNoise = 1; /* true */ + } + + for (i = 0; i < L_ENERGYHIST - 1; i++) { + st->frameEnergyHist[i] = st->frameEnergyHist[i + 1]; + } + st->frameEnergyHist[L_ENERGYHIST - 1] = currEnergy; + + /* + * prepare for voicing decision; + * tighten the threshold after some time in noise + */ + ltpLimit = 13926; /* 0.85 Q14 */ + + if (st->bgHangover > 8) { + ltpLimit = 15565; /* 0.95 Q14 */ + } + + if (st->bgHangover > 15) { + ltpLimit = 16383; /* 1.00 Q14 */ + } + + /* weak sort of voicing indication. */ + prevVoiced = 0; /* false */ + + if (gmed_n(<pGainHist[4], 5) > ltpLimit) { + prevVoiced = 1; /* true */ + } + + if (st->bgHangover > 20) { + if (gmed_n(ltpGainHist, 9) > ltpLimit) { + prevVoiced = 1; /* true */ + } else { + prevVoiced = 0; /* false */ + } + } + + if (prevVoiced) { + *voicedHangover = 0; + } else { + temp = *voicedHangover + 1; + + if (temp > 10) { + *voicedHangover = 10; + } else { + *voicedHangover = temp; + } + } + return inbgNoise; +} + + +/* + * dtx_dec_activity_update + * + * + * Parameters: + * st->lsf_hist_ptr B: LSF history pointer + * st->lsf_hist B: LSF history + * lsf I: lsf + * frame I: noise frame + * + * Function: + * Update lsp history and compute log energy. + * + * Returns: + * void + */ +static void dtx_dec_activity_update(dtx_decState *st, Word32 lsf[], Word32 + frame[]) +{ + Word32 frame_en; + Word32 log_en_e, log_en_m, log_en, i; + + + /* update lsp history */ + st->lsf_hist_ptr += M; + + if (st->lsf_hist_ptr == 80) { + st->lsf_hist_ptr = 0; + } + memcpy(&st->lsf_hist[st->lsf_hist_ptr], lsf, M << 2); + + /* compute log energy based on frame energy */ + frame_en = 0; /* Q0 */ + + for (i = 0; (i < L_FRAME); i ++) { + frame_en += frame[i] * frame[i]; + if (frame_en & 0x80000000) { + break; + } + } + + log_en = (frame_en & 0xC0000000) ? 0x7FFFFFFE : (Word32)frame_en << 1; + + Log2(log_en , &log_en_e, &log_en_m); + + /* convert exponent and mantissa to Word16 Q10 */ + log_en = log_en_e << 10; /* Q10 */ + log_en = log_en + (log_en_m >> 5); + + /* divide with L_FRAME i.e subtract with log2(L_FRAME) = 7.32193 */ + log_en = log_en - 8521; + + /* + * insert into log energy buffer, no division by two as + * log_en in decoder is Q11 + */ + st->log_en_hist_ptr += 1; + + if (st->log_en_hist_ptr == DTX_HIST_SIZE) { + st->log_en_hist_ptr = 0; + } + st->log_en_hist[st->log_en_hist_ptr] = log_en; /* Q11 */ +} + + +/* + * Decoder_amr + * + * + * Parameters: + * st B: State variables + * mode I: AMR mode + * parm I: vector of synthesis parameters + * frame_type I: received frame type + * synth O: synthesis speech + * A_t O: decoded LP filter in 4 subframes + * + * Function: + * Speech decoder routine + * + * Returns: + * void + */ +static void Decoder_amr(Decoder_amrState *st, enum Mode mode, Word16 parm[], + enum RXFrameType frame_type, Word32 synth[], Word32 A_t[]) +{ + /* LSPs */ + Word32 lsp_new[M]; + Word32 lsp_mid[M]; + + + /* LSFs */ + Word32 prev_lsf[M]; + Word32 lsf_i[M]; + + + /* Algebraic codevector */ + Word32 code[L_SUBFR]; + + + /* excitation */ + Word32 excp[L_SUBFR]; + Word32 exc_enhanced[L_SUBFR]; + + + /* Scalars */ + Word32 i, i_subfr, overflow, T0_frac, index, temp, temp2, subfrNr, excEnergy; + Word32 gain_code, gain_code_mix, pit_sharp, pit_flag, pitch_fac, t0_min, t0_max; + Word32 gain_pit = 0, evenSubfr = 0, T0 = 0, index_mr475 = 0; + Word32 *Az; /* Pointer on A_t */ + Word16 flag4, carefulFlag; + Word16 delta_frc_low, delta_frc_range, tmp_shift; + Word16 bfi = 0, pdfi = 0; + /* bad frame indication flag, potential degraded bad frame flag */ + + + enum DTXStateType newDTXState; /* SPEECH , DTX, DTX_MUTE */ + + /* find the new DTX state SPEECH OR DTX */ + newDTXState = rx_dtx_handler(st->dtxDecoderState, frame_type); + + /* DTX actions */ + if (newDTXState != SPEECH) { + Decoder_amr_reset(st, MRDTX); + dtx_dec(st->dtxDecoderState, st->mem_syn, st->lsfState, st->pred_state, + st->Cb_gain_averState, newDTXState, mode, parm, synth, A_t); + + /* update average lsp */ + Lsf_lsp(st->lsfState->past_lsf_q, st->lsp_old); + lsp_avg(st->lsp_avg_st, st->lsfState->past_lsf_q); + goto theEnd; + } + + /* SPEECH action state machine */ + if (table_speech_bad[frame_type]) { + bfi = 1; + + if (frame_type != RX_SPEECH_BAD) { + Build_CN_param(&st->nodataSeed, mode, parm); + } + } else if (frame_type == RX_SPEECH_DEGRADED) { + pdfi = 1; + } + + if (bfi != 0) { + st->state += 1; + } else if (st->state == 6) { + st->state = 5; + } else { + st->state = 0; + } + + if (st->state > 6) { + st->state = 6; + } + + /* + * If this frame is the first speech frame after CNI period, + * set the BFH state machine to an appropriate state depending + * on whether there was DTX muting before start of speech or not + * If there was DTX muting, the first speech frame is muted. + * If there was no DTX muting, the first speech frame is not + * muted. The BFH state machine starts from state 5, however, to + * keep the audible noise resulting from a SID frame which is + * erroneously interpreted as a good speech frame as small as + * possible (the decoder output in this case is quickly muted) + */ + if (st->dtxDecoderState->dtxGlobalState == DTX) { + st->state = 5; + st->prev_bf = 0; + } else if (st->dtxDecoderState->dtxGlobalState == DTX_MUTE) { + st->state = 5; + st->prev_bf = 1; + } + + /* save old LSFs for CB gain smoothing */ + memcpy(prev_lsf, st->lsfState->past_lsf_q, M << 2); + + /* + * decode LSF parameters and generate interpolated lpc coefficients + * for the 4 subframes + */ + if (mode != MR122) { + D_plsf_3(st->lsfState, mode, bfi, parm, lsp_new); + + /* Advance synthesis parameters pointer */ + parm += 3; + Int_lpc_1to3(st->lsp_old, lsp_new, A_t); + } else { + D_plsf_5(st->lsfState, bfi, parm, lsp_mid, lsp_new); + + /* Advance synthesis parameters pointer */ + parm += 5; + Int_lpc_1and3(st->lsp_old, lsp_mid, lsp_new, A_t); + } + + /* update the LSPs for the next frame */ + memcpy(st->lsp_old, lsp_new, M << 2); + + /* + * Loop for every subframe in the analysis frame + * + * The subframe size is L_SUBFR and the loop is repeated + * L_FRAME/L_SUBFR times * + * - decode the pitch delay + * - decode algebraic code + * - decode pitch and codebook gains + * - find the excitation and compute synthesis speech + */ + /* pointer to interpolated LPC parameters */ + Az = A_t; + evenSubfr = 0; + subfrNr = -1; + + for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR) { + subfrNr += 1; + evenSubfr = 1 - evenSubfr; + + /* flag for first and 3th subframe */ + pit_flag = i_subfr; + + if (i_subfr == L_FRAME_BY2) { + if ((mode != MR475) & (mode != MR515)) { + pit_flag = 0; + } + } + + /* pitch index */ + index = *parm++; + + /* + * decode pitch lag and find adaptive codebook vector. + */ + if (mode != MR122) { + /* + * flag4 indicates encoding with 4 bit resolution; + * this is needed for mode MR475, MR515, MR59 and MR67 + */ + flag4 = 0; + + if ((mode == MR475) || (mode == MR515) || (mode == MR59) || ( + mode == MR67)) { + flag4 = 1; + } + + /* + * get ranges for the t0_min and t0_max + * only needed in delta decoding + */ + delta_frc_low = 5; + delta_frc_range = 9; + + if (mode == MR795) { + delta_frc_low = 10; + delta_frc_range = 19; + } + t0_min = st->old_T0 - delta_frc_low; + + if (t0_min < PIT_MIN) { + t0_min = PIT_MIN; + } + t0_max = t0_min + delta_frc_range; + + if (t0_max > PIT_MAX) { + t0_max = PIT_MAX; + t0_min = t0_max - delta_frc_range; + } + Dec_lag3(index, t0_min, t0_max, pit_flag, st->old_T0, &T0, &T0_frac, + flag4); + st->T0_lagBuff = T0; + + if (bfi != 0) { + if (st->old_T0 < PIT_MAX) { + /* Graceful pitch degradation */ + st->old_T0 += 1; + } + T0 = st->old_T0; + T0_frac = 0; + + if ((st->inBackgroundNoise != 0) & (st->voicedHangover > 4) & ( + (mode == MR475) || (mode == MR515) || (mode == MR59))) { + T0 = st->T0_lagBuff; + } + } + Pred_lt_3or6_40(st->exc, T0, T0_frac, 1); + } else { + Dec_lag6(index, PIT_MIN_MR122, PIT_MAX, pit_flag, &T0, &T0_frac); + + if ((bfi != 0) || ((pit_flag != 0) & (index > 60))) { + st->T0_lagBuff = T0; + T0 = st->old_T0; + T0_frac = 0; + } + Pred_lt_3or6_40(st->exc, T0, T0_frac, 0); + } + + /* + * (MR122 only: Decode pitch gain.) + * Decode innovative codebook. + * set pitch sharpening factor + */ + /* MR475, MR515 */ + if ((mode == MR475) || (mode == MR515)) { + /* index of position */ + index = *parm++; + + /* signs */ + i = *parm++; + decode_2i40_9bits(subfrNr, i, index, code); + pit_sharp = st->sharp << 1; + } + + /* MR59 */ + else if (mode == MR59) { + /* index of position */ + index = *parm++; + + /* signs */ + i = *parm++; + decode_2i40_11bits(i, index, code); + pit_sharp = st->sharp << 1; + } + + /* MR67 */ + else if (mode == MR67) { + /* index of position */ + index = *parm++; + + /* signs */ + i = *parm++; + decode_3i40_14bits(i, index, code); + pit_sharp = st->sharp << 1; + } + + /* MR74, MR795 */ + else if (mode <= MR795) { + /* index of position */ + index = *parm++; + + /* signs */ + i = *parm++; + decode_4i40_17bits(i, index, code); + pit_sharp = st->sharp << 1; + } + + /* MR102 */ + else if (mode == MR102) { + decode_8i40_31bits(parm, code); + parm += 7; + pit_sharp = st->sharp << 1; + } + + /* MR122 */ + else { + index = *parm++; + + if (bfi != 0) { + ec_gain_pitch(st->ec_gain_p_st, st->state, &gain_pit); + } else { + gain_pit = d_gain_pitch(mode, index); + } + ec_gain_pitch_update(st->ec_gain_p_st, bfi, st->prev_bf, &gain_pit); + decode_10i40_35bits(parm, code); + parm += 10; + + /* + * pit_sharp = gain_pit; + * if (pit_sharp > 1.0) pit_sharp = 1.0; + */ + pit_sharp = gain_pit; + + if (pit_sharp > 16383) { + pit_sharp = 32767; + } else { + pit_sharp *= 2; + } + } + + /* + * Add the pitch contribution to code[]. + */ + for (i = T0; i < L_SUBFR; i++) { + temp = (code[i - T0] * pit_sharp) >> 15; + code[i] = code[i] + temp; + } + + /* + * Decode codebook gain (MR122) or both pitch + * gain and codebook gain (all others) + * Update pitch sharpening "sharp" with quantized gain_pit + */ + if (mode == MR475) { + /* read and decode pitch and code gain */ + if (evenSubfr != 0) { + /* index of gain(s) */ + index_mr475 = *parm++; + } + + if (bfi == 0) { + Dec_gain(st->pred_state, mode, index_mr475, code, evenSubfr, & + gain_pit, &gain_code); + } else { + ec_gain_pitch(st->ec_gain_p_st, st->state, &gain_pit); + ec_gain_code(st->ec_gain_c_st, st->pred_state, st->state, & + gain_code); + } + ec_gain_pitch_update(st->ec_gain_p_st, bfi, st->prev_bf, &gain_pit); + ec_gain_code_update(st->ec_gain_c_st, bfi, st->prev_bf, &gain_code); + pit_sharp = gain_pit; + + if (pit_sharp > SHARPMAX) { + pit_sharp = SHARPMAX; + } + } else if ((mode <= MR74) || (mode == MR102)) { + /* read and decode pitch and code gain */ + /* index of gain(s) */ + index = *parm++; + + if (bfi == 0) { + Dec_gain(st->pred_state, mode, index, code, evenSubfr, &gain_pit, & + gain_code); + } else { + ec_gain_pitch(st->ec_gain_p_st, st->state, &gain_pit); + ec_gain_code(st->ec_gain_c_st, st->pred_state, st->state, & + gain_code); + } + ec_gain_pitch_update(st->ec_gain_p_st, bfi, st->prev_bf, &gain_pit); + ec_gain_code_update(st->ec_gain_c_st, bfi, st->prev_bf, &gain_code); + pit_sharp = gain_pit; + + if (pit_sharp > SHARPMAX) { + pit_sharp = SHARPMAX; + } + + if (mode == MR102) { + if (st->old_T0 > (L_SUBFR + 5)) { + pit_sharp = pit_sharp >> 2; + } + } + } else { + /* read and decode pitch gain */ + /* index of gain(s) */ + index = *parm++; + + if (mode == MR795) { + /* decode pitch gain */ + if (bfi != 0) { + ec_gain_pitch(st->ec_gain_p_st, st->state, &gain_pit); + } else { + gain_pit = d_gain_pitch(mode, index); + } + ec_gain_pitch_update(st->ec_gain_p_st, bfi, st->prev_bf, &gain_pit + ); + + /* read and decode code gain */ + index = *parm++; + + if (bfi == 0) { + d_gain_code(st->pred_state, mode, index, code, &gain_code); + } else { + ec_gain_code(st->ec_gain_c_st, st->pred_state, st->state, & + gain_code); + } + ec_gain_code_update(st->ec_gain_c_st, bfi, st->prev_bf, &gain_code + ); + pit_sharp = gain_pit; + + if (pit_sharp > SHARPMAX) { + pit_sharp = SHARPMAX; + } + } else { /* MR122 */ + + if (bfi == 0) { + d_gain_code(st->pred_state, mode, index, code, &gain_code); + } else { + ec_gain_code(st->ec_gain_c_st, st->pred_state, st->state, & + gain_code); + } + ec_gain_code_update(st->ec_gain_c_st, bfi, st->prev_bf, &gain_code + ); + pit_sharp = gain_pit; + } + } + + /* + * store pitch sharpening for next subframe + * (for modes which use the previous pitch gain for + * pitch sharpening in the search phase) + * do not update sharpening in even subframes for MR475 + */ + if ((mode != MR475) || evenSubfr == 0) { + st->sharp = gain_pit; + + if (st->sharp > SHARPMAX) { + st->sharp = SHARPMAX; + } + } + + if (pit_sharp > 16383) { + pit_sharp = 32767; + } else { + pit_sharp *= 2; + } + + if (pit_sharp > 16384) { + for (i = 0; i < L_SUBFR; i++) { + temp = (st->exc[i] * pit_sharp) >> 15; + temp2 = (temp * gain_pit) << 1; + + if (mode == MR122) { + temp2 = (temp2 >> 1); + } + excp[i] = (temp2 + 0x00008000L) >> 16; + } + } + + /* + * Store list of LTP gains needed in the source + * characteristic detector (SCD) + */ + if (bfi == 0) { + for (i = 0; i < 8; i++) { + st->ltpGainHistory[i] = st->ltpGainHistory[i + 1]; + } + st->ltpGainHistory[8] = gain_pit; + } + + + /* + * Limit gain_pit if in background noise and BFI + * for MR475, MR515, MR59 + */ + if ((st->prev_bf != 0 || bfi != 0) & (st->inBackgroundNoise != 0) & ( + (mode == MR475) || (mode == MR515) || (mode == MR59))) { + /* if (gain_pit > 0.75) in Q14*/ + if (gain_pit > 12288) + /* gain_pit = (gain_pit-0.75)/2.0 + 0.75; */ + { + gain_pit = ((gain_pit - 12288) >> 1) + 12288; + } + + /* if (gain_pit > 0.90) in Q14*/ + if (gain_pit > 14745) { + gain_pit = 14745; + } + } + + /* + * Calculate CB mixed gain + */ + Int_lsf(prev_lsf, st->lsfState->past_lsf_q, i_subfr, lsf_i); + gain_code_mix = Cb_gain_average(st->Cb_gain_averState, mode, gain_code, + lsf_i, st->lsp_avg_st->lsp_meanSave, bfi, st->prev_bf, pdfi, st-> + prev_pdf, st->inBackgroundNoise, st->voicedHangover); + + /* make sure that MR74, MR795, MR122 have original codeGain*/ + /* MR74, MR795, MR122 */ + if ((mode > MR67) & (mode != MR102)) { + gain_code_mix = gain_code; + } + + /* + * Find the total excitation. + * Find synthesis speech corresponding to st->exc[]. + */ + /* MR475, MR515, MR59, MR67, MR74, MR795, MR102*/ + if (mode <= MR102) { + pitch_fac = gain_pit; + tmp_shift = 1; + } + + /* MR122 */ + else { + pitch_fac = gain_pit >> 1; + tmp_shift = 2; + } + + /* + * copy unscaled LTP excitation to exc_enhanced (used in phase + * dispersion below) and compute total excitation for LTP feedback + */ + memcpy(exc_enhanced, st->exc, L_SUBFR << 2); + + for (i = 0; i < L_SUBFR; i++) { + /* st->exc[i] = gain_pit*st->exc[i] + gain_code*code[i]; */ + temp = (st->exc[i] * pitch_fac) + (code[i] * gain_code); + temp2 = (temp << tmp_shift); + if (((temp2 >> 1) ^ temp2) & 0x40000000) { + if ((temp ^ temp2) & 0x80000000) { + temp2 = (temp & 0x80000000) ? (-1073741824L) : 1073725439; + } else { + temp2 = (temp2 & 0x80000000) ? (-1073741824L) : 1073725439; + } + } + st->exc[i] = (temp2 + 0x00004000L) >> 15; + } + /* + * Adaptive phase dispersion + */ + + /* free phase dispersion adaption */ + st->ph_disp_st->lockFull = 0; + + if (((mode == MR475) || (mode == MR515) || (mode == MR59)) & (st + ->voicedHangover > 3) & (st->inBackgroundNoise != 0) & (bfi != 0 + )) { + /* + * Always Use full Phase Disp. + * if error in bg noise + */ + st->ph_disp_st->lockFull = 1; + } + + /* + * apply phase dispersion to innovation (if enabled) and + * compute total excitation for synthesis part + */ + ph_disp(st->ph_disp_st, mode, exc_enhanced, gain_code_mix, gain_pit, code + , pitch_fac, tmp_shift); + + /* + * The Excitation control module are active during BFI. + * Conceal drops in signal energy if in bg noise. + */ + temp2 = 0; + + for (i = 0; i < L_SUBFR; i++) { + temp2 += (exc_enhanced[i] * exc_enhanced[i]); + } + + if (temp2 > 0x3FFFFFFF) { + excEnergy = 11584; + } else { + temp2 = sqrt_l_exp(temp2, &temp); + temp2 = (temp2 >> ((temp >> 1) + 15)); + excEnergy = temp2 >> 2; + } + + if (((mode == MR475) || (mode == MR515) || (mode == MR59)) & (st + ->voicedHangover > 5) & (st->inBackgroundNoise != 0) & (st-> + state < 4) & (((pdfi != 0) & (st->prev_pdf != 0)) || bfi != + 0 || st->prev_bf != 0)) { + carefulFlag = 0; + + if ((pdfi != 0) & (bfi == 0)) { + carefulFlag = 1; + } + Ex_ctrl(exc_enhanced, excEnergy, st->excEnergyHist, st->voicedHangover + , st->prev_bf, carefulFlag); + } + + if ((st->inBackgroundNoise != 0) & (bfi != 0 || st->prev_bf != 0) & ( + st->state < 4)) { + ; /* do nothing! */ + } else { + /* Update energy history for all modes */ + for (i = 0; i < 8; i++) { + st->excEnergyHist[i] = st->excEnergyHist[i + 1]; + } + st->excEnergyHist[8] = excEnergy; + } + + /* + * Excitation control module end. + */ + if (pit_sharp > 16384) { + for (i = 0; i < L_SUBFR; i++) { + excp[i] = excp[i] + exc_enhanced[i]; + if (labs(excp[i]) > 32767) { + excp[i] = (excp[i] & 0x80000000) ? -32768 : 32767; + } + } + agc2(exc_enhanced, excp); + overflow = Syn_filt(Az, excp, &synth[i_subfr], L_SUBFR, st->mem_syn, 0 + ); + } else { + overflow = Syn_filt(Az, exc_enhanced, &synth[i_subfr], L_SUBFR, st-> + mem_syn, 0); + } + + if (overflow) { + for (i = 0; i < PIT_MAX + L_INTERPOL + L_SUBFR; i++) { + st->old_exc[i] = st->old_exc[i] >> 2; + } + + for (i = 0; i < L_SUBFR; i++) { + exc_enhanced[i] = exc_enhanced[i] >> 2; + } + Syn_filt_overflow(Az, exc_enhanced, &synth[i_subfr], L_SUBFR, st->mem_syn, 1); + } else { + memcpy(st->mem_syn, &synth[i_subfr + 30], 40); + } + + /* + * Update signal for next frame. + * -> shift to the left by L_SUBFR st->exc[] + */ + memcpy(&st->old_exc[0], &st->old_exc[L_SUBFR], (PIT_MAX + L_INTERPOL) << + 2); + + /* interpolated LPC parameters for next subframe */ + Az += MP1; + + /* store T0 for next subframe */ + st->old_T0 = T0; + } + + /* + * Call the Source Characteristic Detector which updates + * st->inBackgroundNoise and st->voicedHangover. + */ + st->inBackgroundNoise = Bgn_scd(st->background_state, &(st->ltpGainHistory[ + 0]), &(synth[0]), &(st->voicedHangover)); + dtx_dec_activity_update(st->dtxDecoderState, st->lsfState->past_lsf_q, synth + ); + + /* store bfi for next subframe */ + st->prev_bf = bfi; + st->prev_pdf = pdfi; + + /* + * Calculate the LSF averages on the eight + * previous frames + */ + lsp_avg(st->lsp_avg_st, st->lsfState->past_lsf_q); +theEnd: + st->dtxDecoderState->dtxGlobalState = newDTXState; + return; +} + + +/* + * Residu40 + * + * + * Parameters: + * a I: prediction coefficients + * x I: speech signal + * y O: residual signal + * + * Function: + * The LP residual is computed by filtering the input + * speech through the LP inverse filter a(z) + * + * Returns: + * void + */ +static void Residu40(Word32 a[], Word32 x[], Word32 y[]) +{ + Word32 s, i, j; + + + for (i = 0; i < 40; i++) { + s = a[0] * x[i] + a[1] * x[i - 1] + a[2] * x[i - 2] + a[3] * x[i - 3]; + s += a[4] * x[i - 4] + a[5] * x[i - 5] + a[6] * x[i - 6] + a[7] * x[i - 7] + ; + s += a[8] * x[i - 8] + a[9] * x[i - 9] + a[10] * x[i - 10]; + y[i] = (s + 0x800) >> 12; + if (abs(y[i]) > 32767) { + /* go to safe mode */ + for (i = 0; i < 40; i++) { + s = a[0] * x[i]; + for (j = 1; j <= 10; j++) { + s += a[j] * x[i - j]; + if (s > 1073741823) { + s = 1073741823; + } else if (s < -1073741824) { + s = -1073741824; + } + } + y[i] = (s + 0x800) >> 12; + if (abs(y[i]) > 32767) { + y[i] = (y[i] & 0x80000000) ? -32768 : 32767; + } + } + return; + } + + } + return; +} + + +/* + * agc + * + * + * Parameters: + * st->past_gain B: gain memory + * sig_in I: Post_Filter input signal + * sig_out B: Post_Filter output signal + * agc_fac I: AGC factor + * + * Function: + * Scales the Post_Filter output on a subframe basis + * + * Returns: + * void + */ +static void agc(agcState *st, Word32 *sig_in, Word32 *sig_out, Word16 agc_fac) +{ + Word32 s, gain_in, gain_out, g0, gain; + int exp, i; + + + /* calculate gain_out with exponent */ + s = energy_new(sig_out); + + if (s == 0) { + st->past_gain = 0; + return; + } + exp = 0; + i = s; + while (!(i & 0x40000000)) { + exp++; + i = i << 1; + } + exp -= 1; + if (exp & 0x80000000) { + s >>= 1; + } else { + s <<= exp; + } + gain_out = (s + 0x00008000L) >> 16; + + /* calculate gain_in with exponent */ + s = energy_new(sig_in); + + if (s == 0) { + g0 = 0; + } else { + i = 0; + while (!(s & 0x40000000)) { + i++; + s = s << 1; + } + s = s + 0x00008000L; + + if (s >= 0) { + gain_in = s >> 16; + } else { + gain_in = 32767; + } + exp = (exp - i); + + /* + * g0 = (1-agc_fac) * sqrt(gain_in/gain_out); + */ + /* s = gain_out / gain_in */ + s = (gain_out << 15) / gain_in; + exp = 7 - exp; + + if (exp > 0) { + if (exp > 31) { + if (s) { + s = 2147483647; + } + } else { + s = s << exp ; + } + } else { + s = (s >> (-exp)); + } + if (s < 0) { + s = 2147483647; + } + s = Inv_sqrt(s); + i = ((s << 9) + 0x00008000L) >> 16; + if (i & 0xFFFF8000) { + i = 32767; + } + + /* g0 = i * (1-agc_fac) */ + g0 = (i * (32767 - agc_fac)) >> 15; + } + + /* + * compute gain[n] = agc_fac * gain[n-1] + (1-agc_fac) * sqrt(gain_in/gain_out) + * sig_out[n] = gain[n] * sig_out[n] + */ + gain = st->past_gain; + + for (i = 0; i < L_SUBFR; i++) { + gain = (gain * agc_fac) >> 15; + gain = gain + g0; + sig_out[i] = (sig_out[i] * gain) >> 12; + if (labs(sig_out[i]) > 32767) { + sig_out[i] = (sig_out[i] & 0x8000000) ? -32768 : 32767; + } + } + st->past_gain = gain; + return; +} + + +/* + * Post_Filter + * + * + * Parameters: + * st B: post filter states + * mode I: AMR mode + * syn B: synthesis speech + * Az_4 I: interpolated LPC parameters in all subfr. + * + * Function: + * Post_Filtering of synthesis speech. + * + * inverse filtering of syn[] through A(z/0.7) to get res2[] + * tilt compensation filtering; 1 - MU*k*z^-1 + * synthesis filtering through 1/A(z/0.75) + * adaptive gain control + * + * Returns: + * void + */ +static void Post_Filter(Post_FilterState *st, enum Mode mode, Word32 *syn, + Word32 *Az_4) +{ + Word32 h[22], Ap3[MP1], Ap4[MP1]; /* bandwidth expanded LP parameters */ + Word32 tmp, i_subfr, i, temp1, temp2, overflow = 0; + Word32 *Az, *p1, *p2, *syn_work = &st->synth_buf[M]; + const Word32 *pgamma3 = &gamma3[0]; + const Word32 *pgamma4 = &gamma4_gamma3_MR122[0]; + + + /* + * Post filtering + */ + memcpy(syn_work, syn, L_FRAME << 2); + Az = Az_4; + + if ((mode == MR122) || (mode == MR102)) { + pgamma3 = &gamma4_gamma3_MR122[0]; + pgamma4 = &gamma4_MR122[0]; + } + + for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR) { + /* Find weighted filter coefficients Ap3[] and Ap[4] */ + Ap3[0] = Az[0]; + Ap4[0] = Az[0]; + + for (i = 1; i <= 10; i++) { + Ap3[i] = (Az[i] * pgamma3[i - 1] + 0x4000) >> 15; + Ap4[i] = (Az[i] * pgamma4[i - 1] + 0x4000) >> 15; + } + + /* filtering of synthesis speech by A(z/0.7) to find res2[] */ + Residu40(Ap3, &syn_work[i_subfr], st->res2); + + /* tilt compensation filter */ + /* impulse response of A(z/0.7)/A(z/0.75) */ + memcpy(h, Ap3, MP1 << 2); + memset(&h[M + 1], 0, (22 - M - 1) << 2); + Syn_filt(Ap4, h, h, 22, &h[M + 1], 0); + + /* 1st correlation of h[] */ + tmp = 16777216 + h[1] * h[1]; + + for (i = 2; i < 22; i++) { + tmp += h[i] * h[i]; + if (tmp > 0x3FFF8000) { + break; + } + } + temp1 = tmp >> 15; + if (temp1 & 0xFFFF8000) { + temp1 = 32767; + } + + tmp = h[0] * h[1]; + + for (i = 1; i < 21; i++) { + tmp += h[i] * h[i + 1]; + if (abs(tmp) > 1073741823) { + tmp = 1073741823; + } + } + temp2 = tmp >> 15; + + if (temp2 <= 0) { + temp2 = 0; + } else { + tmp = temp2 * 26214; + temp2 = (tmp & 0xffff8000) / temp1; + } + + /* preemphasis */ + p1 = st->res2 + 39; + p2 = p1 - 1; + tmp = *p1; + + do { + *p1 = *p1 - ((temp2 * *p2--) >> 15); + if (abs(*p1) > 32767) { + *p1 = (*p1 & 0x80000000) ? -32768 : 32767; + } + p1--; + *p1 = *p1 - ((temp2 * *p2--) >> 15); + if (abs(*p1) > 32767) { + *p1 = (*p1 & 0x80000000) ? -32768 : 32767; + } + p1--; + *p1 = *p1 - ((temp2 * *p2--) >> 15); + if (abs(*p1) > 32767) { + *p1 = (*p1 & 0x80000000) ? -32768 : 32767; + } + p1--; + } while (p1 > st->res2); + *p1 = *p1 - ((temp2 * st->preemph_state_mem_pre) >> 15); + if (abs(*p1) > 32767) { + *p1 = (*p1 & 0x80000000) ? -32768 : 32767; + } + st->preemph_state_mem_pre = tmp; + + /* filtering through 1/A(z/0.75) */ + overflow = Syn_filt(Ap4, st->res2, &syn[i_subfr], L_SUBFR, st->mem_syn_pst, 0); + if (overflow) { + Syn_filt_overflow(Ap4, st->res2, &syn[i_subfr], L_SUBFR, st->mem_syn_pst, 1); + overflow = 0; + } else { + memcpy(st->mem_syn_pst, &syn[i_subfr + 30], 40); + } + + /* scale output to input */ + agc(st->agc_state, &syn_work[i_subfr], &syn[i_subfr], AGC_FAC); + Az += MP1; + } + + /* update syn_work[] buffer */ + memcpy(&syn_work[- M], &syn_work[L_FRAME - M], M << 2); + return; +} + + +/* + * Post_Process + * + * + * Parameters: + * st B: post filter states + * signal B: signal + * + * Function: + * Postprocessing of input speech. + * + * 2nd order high pass filtering with cut off frequency at 60 Hz. + * Multiplication of output by two. + * + * + * Returns: + * void + */ +static void Post_Process(Post_ProcessState *st, Word32 signal[]) +{ + Word32 x2, tmp, i = 0; + Word32 mask = 0x40000000; + + do { + x2 = st->x1; + st->x1 = st->x0; + st->x0 = signal[i]; + + /* + * y[i] = b[0]*x[i]*2 + b[1]*x[i-1]*2 + b140[2]*x[i-2]/2 + * + a[1]*y[i-1] + a[2] * y[i-2]; + */ + tmp = (st->y1_hi * 15836) + (((st->y1_lo * 15836) & (Word32)0xffff8000) >> 15); + tmp += (st->y2_hi * -7667) + (((st->y2_lo * (-7667)) & (Word32)0xffff8000) >> 15); + tmp += st->x0 * 7699; + tmp += st->x1 * -15398; + if (((tmp >> 1) ^ tmp) & mask) { + tmp = (tmp & 0x80000000) ? -1073741824 : 1073741823; + } + + tmp += x2 * 7699; + if (((tmp >> 1) ^ tmp) & mask) { + tmp = (tmp & 0x80000000) ? -1073741824 : 1073741823; + } + + tmp = tmp << 1; + if (((tmp >> 1) ^ tmp) & mask) { + tmp = (tmp & 0x80000000) ? -1073741824 : 1073741823; + } + + tmp = tmp << 1; + if (((tmp >> 1) ^ tmp) & mask) { + tmp = (tmp & 0x80000000) ? -1073741824 : 1073741823; + } + + if (labs(tmp) < 536862720) { + signal[i++] = (tmp + 0x00002000L) >> 14; + } else if (tmp > 0) { + signal[i++] = 32767; + } else { + signal[i++] = -32768; + } + st->y2_hi = st->y1_hi; + st->y2_lo = st->y1_lo; + st->y1_hi = tmp >> 15; + st->y1_lo = ((tmp << 1) - (st->y1_hi << 16)) >> 1; + } while (i < 160); + return; +} + + +/* + * Speech_Decode_Frame + * + * + * Parameters: + * st B: decoder memory + * mode I: AMR mode + * parm I: speech parameters + * frame_type I: Frame type + * synth O: synthesis speech + + * Function: + * Decode one frame + * + * Returns: + * void + */ +void Speech_Decode_Frame(void *st, enum Mode mode, Word16 *parm, enum + RXFrameType frame_type, Word16 *synth) +{ + Word32 Az_dec[AZ_SIZE]; /* Decoded Az for post-filter in 4 subframes*/ + Word32 synth_speech[L_FRAME]; + Word32 i; + + /* Synthesis */ + Decoder_amr(((Speech_Decode_FrameState *) st)->decoder_amrState, mode, + parm, frame_type, synth_speech, Az_dec); + Post_Filter(((Speech_Decode_FrameState *) st)->post_state, mode, + synth_speech, Az_dec); + + /* post HP filter, and 15->16 bits */ + Post_Process(((Speech_Decode_FrameState *) st)->postHP_state, + synth_speech); + + for (i = 0; i < L_FRAME; i++) { +#ifndef NO13BIT + /* Truncate to 13 bits */ + synth[i] = (Word16)(synth_speech[i] & 0xfff8); +#else + synth[i] = (Word16)(synth_speech[i]); +#endif + } + + + return; +} + + +/* + * Decoder_amr_exit + * + * + * Parameters: + * state I: state structure + * + * Function: + * The memory used for state memory is freed + * + * Returns: + * Void + */ +static void Decoder_amr_exit(Decoder_amrState **state) +{ + if (state == NULL || *state == NULL) { + return; + } + /* tlsf_free( ( *state )->lsfState ); + tlsf_free( ( *state )->ec_gain_p_st ); + tlsf_free( ( *state )->ec_gain_c_st ); + tlsf_free( ( *state )->pred_state ); + tlsf_free( ( *state )->background_state ); + tlsf_free( ( *state )->ph_disp_st ); + tlsf_free( ( *state )->Cb_gain_averState ); + tlsf_free( ( *state )->lsp_avg_st ); + tlsf_free( ( *state )->dtxDecoderState ); + */ + /* deallocate memory + tlsf_free( *state );*/ + *state = NULL; + return; +} + + +/* + * Post_Filter_exit + * + * + * Parameters: + * state I: state structure + * + * Function: + * The memory used for state memory is freed + * + * Returns: + * Void + */ +static void Post_Filter_exit(Post_FilterState **state) +{ + if (state == NULL || *state == NULL) { + return; + } + //tlsf_free( ( *state )->agc_state ); + + /* deallocate memory */ + //tlsf_free( *state ); + *state = NULL; + return; +} + + +/* + * Post_Process_reset + * + * + * Parameters: + * state B: state structure + * + * Function: + * Resets state memory + * + * Returns: + * -1 failure + */ +static int Post_Process_reset(Post_ProcessState *state) +{ + if ((Post_ProcessState *)state == NULL) { + //fprintf( stderr, "Post_Process_reset: invalid parameter\n" ); + return -1; + } + state->y2_hi = 0; + state->y2_lo = 0; + state->y1_hi = 0; + state->y1_lo = 0; + state->x0 = 0; + state->x1 = 0; + return 0; +} + + +/* + * Post_Process_exit + * + * + * Parameters: + * state I: state structure + * + * Function: + * The memory used for state memory is freed + * + * Returns: + * Void + */ +static void Post_Process_exit(Post_ProcessState **state) +{ + if (state == NULL || *state == NULL) { + return; + } + + /* deallocate memory */ + //tlsf_free( *state ); + *state = NULL; + return; +} + + +/* + * Decoder_amr_init + * + * + * Parameters: + * state O: state structure + * + * Function: + * Allocates state memory and initializes state memory + * + * Returns: + * success = 0 + */ +static Decoder_amrState g_Decoder_amrState; +static D_plsfState g_D_plsfState; +static ec_gain_pitchState g_ec_gain_pitchState; +static ec_gain_codeState g_ec_gain_codeState; +static dtx_decState g_dtx_decState; +static ph_dispState g_ph_dispState; +static Cb_gain_averageState g_Cb_gain_averageState; +static lsp_avgState g_lsp_avgState; +static Bgn_scdState g_Bgn_scdState; +static gc_predState g_gc_predState; +static int Decoder_amr_init(Decoder_amrState **state) +{ + Decoder_amrState * s; + + if ((Decoder_amrState *)state == NULL) { + //fprintf( stderr, "Decoder_amr_init: invalid parameter\n" ); + return -1; + } + *state = NULL; + + /* allocate memory + if ( ( s = ( Decoder_amrState * ) tlsf_malloc( sizeof( Decoder_amrState ) ) ) == + NULL ) { + fprintf( stderr, "Decoder_amr_init: can not malloc state structure\n" ); + return-1; + }*/ + s = &g_Decoder_amrState; + + /* DPlsf_init */ + /* allocate memory + if ( ( s->lsfState = ( D_plsfState * ) tlsf_malloc( sizeof( D_plsfState ) ) ) == + NULL ) { + fprintf( stderr, "DPlsf_init: can not malloc state structure\n" ); + return-1; + }*/ + s->lsfState = &g_D_plsfState; + + /* ecGainPitchInit */ + /* allocate memory + if ( ( s->ec_gain_p_st = ( ec_gain_pitchState * ) tlsf_malloc( sizeof( + ec_gain_pitchState ) ) ) == NULL ) { + fprintf( stderr, "ecGainPitchInit: can not malloc state structure\n" ); + return-1; + }*/ + s->ec_gain_p_st = &g_ec_gain_pitchState; + + /* ecGainCodeInit */ + /* allocate memory + if ( ( s->ec_gain_c_st = ( ec_gain_codeState * ) tlsf_malloc( sizeof( + ec_gain_codeState ) ) ) == NULL ) { + fprintf( stderr, "ecGainCodeInit: can not malloc state structure\n" ); + return-1; + }*/ + s->ec_gain_c_st = &g_ec_gain_codeState; + /* gcPredInit */ + /* allocate memory + if ( ( s->pred_state = ( gc_predState * ) tlsf_malloc( sizeof( gc_predState ) ) ) + == NULL ) { + fprintf( stderr, "gcPredInit: can not malloc state structure\n" ); + return-1; + }*/ + s->pred_state = &g_gc_predState; + /* Cb_gain_averageInit */ + /* allocate memory + if ( ( s->Cb_gain_averState = ( Cb_gain_averageState * ) tlsf_malloc( sizeof( + Cb_gain_averageState ) ) ) == NULL ) { + fprintf( stderr, "Cb_gain_averageInit: can not malloc state structure\n" ) + ; + return-1; + }*/ + s->Cb_gain_averState = &g_Cb_gain_averageState; + memset(s->Cb_gain_averState->cbGainHistory, 0, L_CBGAINHIST << 2); + + /* Initialize hangover handling */ + s->Cb_gain_averState->hangVar = 0; + s->Cb_gain_averState->hangCount = 0; + + /* lsp_avgInit */ + /* allocate memory + if ( ( s->lsp_avg_st = ( lsp_avgState * ) tlsf_malloc( sizeof( lsp_avgState ) ) ) + == NULL ) { + fprintf( stderr, "lsp_avgInit: can not malloc state structure\n" ); + return-1; + }*/ + s->lsp_avg_st = &g_lsp_avgState; + /* Bgn_scdInit */ + /* allocate memory + if ( ( s->background_state = ( Bgn_scdState * ) tlsf_malloc( sizeof( Bgn_scdState + ) ) ) == NULL ) { + fprintf( stderr, "Bgn_scdInit: can not malloc state structure\n" ); + return-1; + }*/ + s->background_state = &g_Bgn_scdState; + /* phDispInit */ + /* allocate memory + if ( ( s->ph_disp_st = ( ph_dispState * ) tlsf_malloc( sizeof( ph_dispState ) ) ) + == NULL ) { + fprintf( stderr, "phDispInit: can not malloc state structure\n" ); + return-1; + }*/ + s->ph_disp_st = &g_ph_dispState; + /* dtxDecInit */ + /* allocate memory + if ( ( s->dtxDecoderState = ( dtx_decState * ) tlsf_malloc( sizeof( dtx_decState ) + ) ) == NULL ) { + fprintf( stderr, "dtxDecInit: can not malloc state structure\n" ); + return-1; + }*/ + s->dtxDecoderState = &g_dtx_decState; + Decoder_amr_reset(s, 0); + *state = s; + return 0; +} + + +/* + * Post_Filter_reset + * + * + * Parameters: + * state B: state structure + * + * Function: + * Resets state memory + * + * Returns: + * -1 failure + */ +static int Post_Filter_reset(Post_FilterState *state) +{ + if ((Post_FilterState *)state == NULL) { + //fprintf( stderr, "Post_Filter_reset: invalid parameter\n" ); + return -1; + } + state->preemph_state_mem_pre = 0; + state->agc_state->past_gain = 4096; + memset(state->mem_syn_pst, 0, M << 2); + memset(state->res2, 0, L_SUBFR << 2); + memset(state->synth_buf, 0, (L_FRAME + M) << 2); + return 0; +} + + +/* + * Post_Filter_init + * + * + * Parameters: + * state O: state structure + * + * Function: + * Allocates state memory and initializes state memory + * + * Returns: + * success = 0 + */ +static Post_FilterState g_Post_FilterState; +static agcState g_agcState; +static int Post_Filter_init(Post_FilterState **state) +{ + Post_FilterState * s; + + if ((Post_FilterState *)state == NULL) { + //fprintf( stderr, "F057:invalid parameter\n" ); + return -1; + } + *state = NULL; + + /* allocate memory + if ( ( s = ( Post_FilterState * ) tlsf_malloc( sizeof( Post_FilterState ) ) ) == + NULL ) { + fprintf( stderr, "F057:can not malloc filter structure\n" ); + return-1; + }*/ + s = &g_Post_FilterState; + s->agc_state = NULL; + + /* allocate memory + if ( ( s->agc_state = ( agcState * ) tlsf_malloc( sizeof( agcState ) ) ) == NULL ) + { + fprintf( stderr, "agcInit: can not malloc state structure\n" ); + return-1; + }*/ + s->agc_state = &g_agcState; + Post_Filter_reset(s); + *state = s; + return 0; +} + + +/* + * Post_Process_init + * + * + * Parameters: + * state O: state structure + * + * Function: + * Allocates state memory and initializes state memory + * + * Returns: + * success = 0 + */ +static Post_ProcessState g_Post_ProcessState; +static int Post_Process_init(Post_ProcessState **state) +{ + Post_ProcessState * s; + + if ((Post_ProcessState *)state == NULL) { + //fprintf( stderr, "Post_Process_init: invalid parameter\n" ); + return -1; + } + *state = NULL; + + /* allocate memory + if ( ( s = ( Post_ProcessState * ) tlsf_malloc( sizeof( Post_ProcessState ) ) ) == + NULL ) { + fprintf( stderr, "Post_Process_init: can not malloc state structure\n" ); + return-1; + }*/ + s = &g_Post_ProcessState; + Post_Process_reset(s); + *state = s; + return 0; +} + + +/* + * Speech_Decode_Frame_exit + * + * + * Parameters: + * state I: state structure + * + * Function: + * The memory used for state memory is freed + * + * Returns: + * Void + */ +void Speech_Decode_Frame_exit(void **st) +{ + if (((Speech_Decode_FrameState *)(st)) == NULL) { + return; + } + Decoder_amr_exit(&(((Speech_Decode_FrameState *) st)->decoder_amrState + )); + Post_Filter_exit(&(((Speech_Decode_FrameState *) st)->post_state)); + Post_Process_exit(&(((Speech_Decode_FrameState *) st)->postHP_state)) + ; + + /* deallocate memory */ + //tlsf_free( (( Speech_Decode_FrameState * )st) ); + return; +} + + +/* + * Speech_Decode_Frame_reset + * + * + * Parameters: + * state B: state structure + * + * Function: + * Resets state memory + * + * Returns: + * -1 = failure + */ +int Speech_Decode_Frame_reset(void **st) +{ + Speech_Decode_FrameState * state; + + if (st == NULL || *st == NULL) { + return (-1); + } + state = (Speech_Decode_FrameState *)st; + Decoder_amr_reset(state->decoder_amrState, (enum Mode) 0); + Post_Filter_reset(state->post_state); + Post_Process_reset(state->postHP_state); + return 0; +} + + +/* + * Speech_Decode_Frame_init + * + * + * Parameters: + * state O: state structure + * + * Function: + * Allocates state memory and initializes state memory + * + * Returns: + * success = 0 + */ +static Speech_Decode_FrameState g_Speech_Decode_FrameState; + +void * Speech_Decode_Frame_init() +{ + Speech_Decode_FrameState * s; + + /* allocate memory + if ( ( s = ( Speech_Decode_FrameState * ) tlsf_malloc( sizeof( + Speech_Decode_FrameState ) ) ) == NULL ) { + fprintf( stderr, "Speech_Decode_Frame_init: can not malloc state " + "structure\n" ); + return NULL; + }*/ + s = &g_Speech_Decode_FrameState; + s->decoder_amrState = NULL; + s->post_state = NULL; + s->postHP_state = NULL; + + if (Decoder_amr_init(&s->decoder_amrState) || Post_Filter_init(&s-> + post_state) || Post_Process_init(&s->postHP_state)) { + Speech_Decode_Frame_exit((void **)(&s)); + return NULL; + } + return s; +} diff --git a/audio_codec/libamr/sp_dec.h b/audio_codec/libamr/sp_dec.h new file mode 100644 index 0000000..3739018 --- a/dev/null +++ b/audio_codec/libamr/sp_dec.h @@ -0,0 +1,83 @@ +/* + * =================================================================== + * TS 26.104 + * R99 V3.5.0 2003-03 + * REL-4 V4.4.0 2003-03 + * REL-5 V5.1.0 2003-03 + * 3GPP AMR Floating-point Speech Codec + * =================================================================== + * + */ + +/* + * sp_enc.h + * + * + * Project: + * AMR Floating-Point Codec + * + * Contains: + * Defines interface to AMR encoder + * + */ +#ifndef _SP_DEC_H_ +#define _SP_DEC_H_ + +/* + * definition of enumerated types + */ + +/* + * definition of modes for decoder + */ +enum Mode { MR475 = 0, + MR515, + MR59, + MR67, + MR74, + MR795, + MR102, + MR122, + MRDTX, + N_MODES /* number of (SPC) modes */ + }; + +/* Declaration recieved frame types */ +enum RXFrameType { RX_SPEECH_GOOD = 0, + RX_SPEECH_DEGRADED, + RX_ONSET, + RX_SPEECH_BAD, + RX_SID_FIRST, + RX_SID_UPDATE, + RX_SID_BAD, + RX_NO_DATA, + RX_N_FRAMETYPES /* number of frame types */ + }; + +/* + * Function prototypes + */ + +/* + * initialize one instance of the speech decoder + */ +void* Speech_Decode_Frame_init(); + +/* + * free status struct + */ +void Speech_Decode_Frame_exit(void **st); + +/* + * Decodes one frame from encoded parameters + */ +void Speech_Decode_Frame(void *st, enum Mode mode, short *serial, + enum RXFrameType frame_type, short *synth); + +/* + * reset speech decoder + */ +int Speech_Decode_Frame_reset(void **st); + +#endif + diff --git a/audio_codec/libamr/typedef.h b/audio_codec/libamr/typedef.h new file mode 100755 index 0000000..6cea8a4 --- a/dev/null +++ b/audio_codec/libamr/typedef.h @@ -0,0 +1,17 @@ +/* + *=================================================================== + * 3GPP AMR Wideband Floating-point Speech Codec + *=================================================================== + */ +#ifndef typedef_h +#define typedef_h +/* change these typedef declarations to correspond with your platform */ +typedef char Word8; +typedef unsigned char UWord8; +typedef short Word16; +typedef unsigned short UWord16; +typedef long Word32; +typedef double Float64; +typedef float Float32; + +#endif \ No newline at end of file diff --git a/audio_codec/libape/Android.mk b/audio_codec/libape/Android.mk new file mode 100755 index 0000000..3628031 --- a/dev/null +++ b/audio_codec/libape/Android.mk @@ -0,0 +1,28 @@ +LOCAL_PATH := $(call my-dir) + +include $(CLEAR_VARS) +LOCAL_MODULE := libape +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +LOCAL_ARM_MODE := arm +LOCAL_C_INCLUDES := $(LOCAL_PATH) \ + +ifeq ($(ARCH_ARM_HAVE_NEON),true) + LOCAL_CFLAGS += -D__ARM_HAVE_NEON -DOPT_NEON +endif +include $(BUILD_STATIC_LIBRARY) + +include $(CLEAR_VARS) + +LOCAL_SHARED_LIBRARIES += libutils libmedia libz libbinder libdl libcutils libc + +LOCAL_MODULE := libape +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +LOCAL_ARM_MODE := arm +LOCAL_MODULE_TAGS := optional +LOCAL_C_INCLUDES := $(LOCAL_PATH) \ +LOCAL_PRELINK_MODULE := false + +ifeq ($(ARCH_ARM_HAVE_NEON),true) + LOCAL_CFLAGS += -D__ARM_HAVE_NEON -DOPT_NEON +endif +include $(BUILD_SHARED_LIBRARY) diff --git a/audio_codec/libape/Ape_decoder.h b/audio_codec/libape/Ape_decoder.h new file mode 100644 index 0000000..c5dfa10 --- a/dev/null +++ b/audio_codec/libape/Ape_decoder.h @@ -0,0 +1,216 @@ + +/********************** +***********************/ +#ifndef APE_DECODER_H +#define APE_DECODER_H + +#ifdef ENABLE_CPU2_DECODER +#include "../TLSF/tlsf.h" +#endif + + + + +#define BLOCKS_PER_LOOP 1024 +#define MAX_CHANNELS 2 +#define MAX_BYTESPERSAMPLE 3 + +#define APE_FRAMECODE_MONO_SILENCE 1 +#define APE_FRAMECODE_STEREO_SILENCE 3 +#define APE_FRAMECODE_PSEUDO_STEREO 4 + +#define HISTORY_SIZE 512 +#define PREDICTOR_ORDER 8 +/** Total size of all predictor histories */ +#define PREDICTOR_SIZE 50 + +#define YDELAYA (18 + PREDICTOR_ORDER*4) +#define YDELAYB (18 + PREDICTOR_ORDER*3) +#define XDELAYA (18 + PREDICTOR_ORDER*2) +#define XDELAYB (18 + PREDICTOR_ORDER) + +#define YADAPTCOEFFSA 18 +#define XADAPTCOEFFSA 14 +#define YADAPTCOEFFSB 10 +#define XADAPTCOEFFSB 5 +#define APE_FILTER_LEVELS 3 +#define bswap_32(x) \ + ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \ + (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24)) + +/** + * Possible compression levels + * @{ + */ +enum APECompressionLevel { + COMPRESSION_LEVEL_FAST = 1000, + COMPRESSION_LEVEL_NORMAL = 2000, + COMPRESSION_LEVEL_HIGH = 3000, + COMPRESSION_LEVEL_EXTRA_HIGH = 4000, + COMPRESSION_LEVEL_INSANE = 5000 +}; +/** Filters applied to the decoded data */ +typedef struct APEFilter { + int16_t *coeffs; ///< actual coefficients used in filtering + int16_t *adaptcoeffs; ///< adaptive filter coefficients used for correcting of actual filter coefficients + int16_t *historybuffer; ///< filter memory + int16_t *delay; ///< filtered values + + int avg; +} APEFilter; + +typedef struct APERice { + uint32_t k; + uint32_t ksum; +} APERice; + +typedef struct APERangecoder { + uint32_t low; ///< low end of interval + uint32_t range; ///< length of interval + uint32_t help; ///< bytes_to_follow resp. intermediate value + unsigned int buffer; ///< buffer for input/output +} APERangecoder; + +/** Filter histories */ +typedef struct APEPredictor { + int32_t *buf; + + int32_t lastA[2]; + + int32_t filterA[2]; + int32_t filterB[2]; + + int32_t coeffsA[2][4]; ///< adaption coefficients + int32_t coeffsB[2][5]; ///< adaption coefficients + int32_t historybuffer[HISTORY_SIZE + PREDICTOR_SIZE]; +} APEPredictor; + +typedef struct { + unsigned current_decoding_frame; + unsigned channels; + unsigned bits_per_sample; + unsigned sample_rate; /* in Hz */ + unsigned blocksize; /* in samples (per channel) */ + void *ape_header_context;/*the ape stream info read from the header,should be same as the struct in demuxer*/ +} APE_Codec_Public_t; + +typedef struct { + void *APE_Decoder; + // DSPContext dsp; + int channels; + int samples; ///< samples left to decode in current frame + + int fileversion; ///< codec version, very important in decoding process + int compression_level; ///< compression levels + int fset; ///< which filter set to use (calculated from compression level) + int flags; ///< global decoder flags + + uint32_t CRC; ///< frame CRC + int frameflags; ///< frame flags + int currentframeblocks; ///< samples (per channel) in current frame + int blocksdecoded; ///< count of decoded samples in current frame + APEPredictor predictor; ///< predictor used for final reconstruction + + int32_t decoded0[BLOCKS_PER_LOOP]; ///< decoded data for the first channel + int32_t decoded1[BLOCKS_PER_LOOP]; ///< decoded data for the second channel + + int16_t* filterbuf[APE_FILTER_LEVELS]; ///< filter memory + + APERangecoder rc; ///< rangecoder used to decode actual values + APERice riceX; ///< rice code parameters for the second channel + APERice riceY; ///< rice code parameters for the first channel + APEFilter filters[APE_FILTER_LEVELS][2]; ///< filters used for reconstruction + + unsigned char *data; ///< current frame data + unsigned char *data_end; ///< frame data end + const unsigned char *ptr; ///< current position in frame data + const unsigned char *last_ptr; ///< position where last 4608-sample block ended + + int error; +} APE_COdec_Private_t; + +typedef struct { + APE_Codec_Public_t *public_data; + APE_COdec_Private_t *private_data; + +} APE_Decoder_t; +typedef struct { + unsigned pos; + int nblocks; + int size; + int skip; + unsigned pts; +} APEFrame; + +typedef struct { + /* Derived fields */ + unsigned junklength; + unsigned firstframe; + unsigned totalsamples; + int currentframe; + APEFrame *frames; + int sync_flag; + + /* Info from Descriptor Block */ + char magic[4]; + int fileversion; + int padding1; + unsigned descriptorlength; + unsigned headerlength; + unsigned seektablelength; + unsigned wavheaderlength; + unsigned audiodatalength; + unsigned audiodatalength_high; + unsigned wavtaillength; + char md5[16]; + + /* Info from Header Block */ + unsigned compressiontype; + unsigned formatflags; + unsigned blocksperframe; + unsigned finalframeblocks; + unsigned totalframes; + unsigned bps; + unsigned channels; + unsigned samplerate; + + /* Seektable */ + unsigned *seektable; +} APEContext; + +typedef enum { + APE_DECODE_INIT_FINISH = 0, + APE_DECODE_INIT_ERROR, + APE_DECODE_ONE_FRAME_FINISH, + APE_DECODE_REFILL_FRAME_FINISH, + APE_DECODE_CONTINUE, + APE_DECODE_END_OF_STREAM, + APE_DECODE_ERROR_ABORT, + APE_DECODE_MEM_MALLOC_ERROR +} APE_Decode_status_t; + + +APE_Decoder_t* ape_decoder_new(void* ape_head_context); +APE_Decode_status_t ape_decode_init(APE_Decoder_t *avctx); +APE_Decode_status_t ape_decode_frame(APE_Decoder_t * avctx, \ + void *data, int *data_size, \ + const unsigned char *buf, int buf_size); +void ape_decoder_delete(APE_Decoder_t *decoder); + +typedef struct _APEIOBuf { + int bytesLeft; + int thislop_decoded_size; + unsigned char *readPtr; + unsigned lastframesize; + short outBuf[MAX_CHANNELS][BLOCKS_PER_LOOP]; +} APEIOBuf; + +typedef struct { + unsigned bps; + unsigned channels; + unsigned samplerate; + unsigned compressiontype; + unsigned formatflags; + int fileversion; +} ape_extra_data; +#endif diff --git a/audio_codec/libape/amlogic_r30813_audio_ape_lib.c b/audio_codec/libape/amlogic_r30813_audio_ape_lib.c new file mode 100644 index 0000000..8ebca2a --- a/dev/null +++ b/audio_codec/libape/amlogic_r30813_audio_ape_lib.c @@ -0,0 +1 @@ +int audio_ape_lib_revision = 30813; diff --git a/audio_codec/libape/apedec.c b/audio_codec/libape/apedec.c new file mode 100644 index 0000000..ce5b4a0 --- a/dev/null +++ b/audio_codec/libape/apedec.c @@ -0,0 +1,1120 @@ +/* + * Monkey's Audio lossless audio decoder + * Copyright (c) 2007 Benjamin Zores + * based upon libdemac from Dave Chapman. + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include +#include +#include +#include +#include "Ape_decoder.h" +#include "../../amadec/adec-armdec-mgt.h" +#include +#ifdef __ARM_HAVE_NEON +#include +#endif +#include + +#define LOG_TAG "ApeDecoder" +#define audio_codec_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) + +static APEIOBuf apeiobuf = {0}; +static APE_Decoder_t *apedec; +static int read_buffersize_per_time = 102400 ; //100k +ape_extra_data headinfo ; + +//#include< +/** + * @file libavcodec/apedec.c + * Monkey's Audio lossless audio decoder + */ + + +/** @} */ +#define ALT_BITSTREAM_READER_LE +#define APE_FILTER_LEVELS 3 + +/** Filter orders depending on compression level */ +static const uint16_t ape_filter_orders[5][APE_FILTER_LEVELS] = { + { 0, 0, 0 }, + { 16, 0, 0 }, + { 64, 0, 0 }, + { 32, 256, 0 }, + { 16, 256, 1280 } +}; + +/** Filter fraction bits depending on compression level */ +static const uint8_t ape_filter_fracbits[5][APE_FILTER_LEVELS] = { + { 0, 0, 0 }, + { 11, 0, 0 }, + { 11, 0, 0 }, + { 10, 13, 0 }, + { 11, 13, 15 } +}; + +static inline uint32_t bytestream_get_be32(const uint8_t** ptr) +{ + uint32_t tmp; + tmp = (*ptr)[3] | ((*ptr)[2] << 8) | ((*ptr)[1] << 16) | ((*ptr)[0] << 24); + *ptr += 4; + return tmp; +} +static inline uint8_t bytestream_get_byte(const uint8_t** ptr) +{ + uint8_t tmp; + tmp = **ptr; + *ptr += 1; + return tmp; +} + +void * dsp_malloc(int size) +{ + return malloc(size); +} + +void dsp_free(void * buf) +{ + free(buf); +} + +void * dsp_realloc(void *ptr, size_t size) + +{ + return realloc(ptr, size); +} + + +/***build a new ape decoder instance***/ +APE_Decoder_t* ape_decoder_new(void* ape_head_context) +{ + APE_Decoder_t *decoder; + + decoder = (APE_Decoder_t*)dsp_malloc(sizeof(APE_Decoder_t)); + memset(decoder, 0, sizeof(APE_Decoder_t)); + if (!decoder) { + audio_codec_print("====malloc failed 1\n"); + return 0; + } + + decoder->public_data = (APE_Codec_Public_t*)dsp_malloc(sizeof(APE_Codec_Public_t)); + if (decoder->public_data == 0) { + audio_codec_print("====malloc failed 2\n"); + dsp_free(decoder); + return 0; + } else { + memset(decoder->public_data, 0, sizeof(APE_Codec_Public_t)); + } + + + decoder->private_data = (APE_COdec_Private_t*)dsp_malloc(sizeof(APE_COdec_Private_t)); + if (decoder->private_data == 0) { + audio_codec_print("====malloc failed 3\n"); + dsp_free(decoder->public_data); + dsp_free(decoder); + return 0; + } + memset(decoder->private_data, 0, sizeof(APE_COdec_Private_t)); + + decoder->public_data->current_decoding_frame = 0; + decoder->public_data->ape_header_context = ape_head_context; + + return decoder; +} + +void ape_decoder_delete(APE_Decoder_t *decoder) +{ + APE_COdec_Private_t *s = decoder->private_data; + int i = 0; + if (decoder->private_data->data) { + dsp_free(decoder->private_data->data); + decoder->private_data->data = NULL; + } + if (decoder->private_data->filterbuf[0]) { + for (i = 0; i < APE_FILTER_LEVELS; i++) { + if (s->filterbuf[i]) { + dsp_free(s->filterbuf[i]); + } + } + } + if (decoder->private_data) { + dsp_free(decoder->private_data); + decoder->private_data = NULL; + } + if (decoder->public_data) { + dsp_free(decoder->public_data); + decoder->public_data = NULL; + + } + dsp_free(decoder); + decoder = NULL ; + return ; +} +// TODO: dsputilize + +APE_Decode_status_t ape_decode_init(APE_Decoder_t *avctx) +{ + APE_COdec_Private_t *s = avctx->private_data; + APE_Codec_Public_t *p = avctx->public_data; + ape_extra_data *apecontext = (ape_extra_data *) avctx->public_data->ape_header_context; + int i; + audio_codec_print("===param==bps:%d channel:%d \n", apecontext->bps, apecontext->channels); + if (apecontext->bps != 16) { + audio_codec_print("OOnly 16-bit samples are supported\n"); + return APE_DECODE_INIT_ERROR; + } + if (apecontext->channels > 2) { + audio_codec_print("Only mono and stereo is supported\n"); + return APE_DECODE_INIT_ERROR; + } + s->APE_Decoder = avctx; + s->channels = apecontext->channels; + s->fileversion = apecontext->fileversion; + s->compression_level = apecontext->compressiontype; + s->flags = apecontext->formatflags; + /** some public parameter **/ + p->bits_per_sample = apecontext->bps; + p->sample_rate = apecontext->samplerate; + if (s->compression_level % 1000 || s->compression_level > COMPRESSION_LEVEL_INSANE) { + audio_codec_print("Incorrect compression level %d\n", s->compression_level); + return APE_DECODE_INIT_ERROR; + } + s->fset = s->compression_level / 1000 - 1; + for (i = 0; i < APE_FILTER_LEVELS; i++) { + if (!ape_filter_orders[s->fset][i]) { + break; + } + s->filterbuf[i] = (int16_t*)dsp_malloc((ape_filter_orders[s->fset][i] * 3 + HISTORY_SIZE) * 4); + if (s->filterbuf[i] == NULL) { + audio_codec_print("s->filterbuf[i] malloc error size:%d %d %d \n", (ape_filter_orders[s->fset][i] * 3 + HISTORY_SIZE) * 4, ape_filter_orders[s->fset][i], HISTORY_SIZE); + } + } + return APE_DECODE_INIT_FINISH; +} + +static int ape_decode_close(APE_Decoder_t * avctx) +{ + APE_COdec_Private_t *s = avctx->private_data; + int i; + + for (i = 0; i < APE_FILTER_LEVELS; i++) { + dsp_free(&s->filterbuf[i]); + } + + return 0; +} + +/** + * @defgroup rangecoder APE range decoder + * @{ + */ + +#define CODE_BITS 32 +#define TOP_VALUE ((unsigned int)1 << (CODE_BITS-1)) +#define SHIFT_BITS (CODE_BITS - 9) +#define EXTRA_BITS ((CODE_BITS-2) % 8 + 1) +#define BOTTOM_VALUE (TOP_VALUE >> 8) + +/** Start the decoder */ +static inline void range_start_decoding(APE_COdec_Private_t * ctx) +{ + ctx->rc.buffer = bytestream_get_byte(&ctx->ptr); + ctx->rc.low = ctx->rc.buffer >> (8 - EXTRA_BITS); + ctx->rc.range = (uint32_t) 1 << EXTRA_BITS; +} + +/** Perform normalization */ +static inline void range_dec_normalize(APE_COdec_Private_t * ctx) +{ + while (ctx->rc.range <= BOTTOM_VALUE) { + ctx->rc.buffer <<= 8; + if (ctx->ptr < ctx->data_end) { + ctx->rc.buffer += *ctx->ptr; + } + ctx->ptr++; + ctx->rc.low = (ctx->rc.low << 8) | ((ctx->rc.buffer >> 1) & 0xFF); + ctx->rc.range <<= 8; + if (ctx->rc.range == 0) { //in error condition.if == 0,no chance return,so added + return; + } + } +} + +/** + * Calculate culmulative frequency for next symbol. Does NO update! + * @param ctx decoder context + * @param tot_f is the total frequency or (code_value)1<rc.help = ctx->rc.range / tot_f; + return ctx->rc.low / ctx->rc.help; +} + +/** + * Decode value with given size in bits + * @param ctx decoder context + * @param shift number of bits to decode + */ +static inline int range_decode_culshift(APE_COdec_Private_t * ctx, int shift) +{ + range_dec_normalize(ctx); + ctx->rc.help = ctx->rc.range >> shift; + return ctx->rc.low / ctx->rc.help; +} + + +/** + * Update decoding state + * @param ctx decoder context + * @param sy_f the interval length (frequency of the symbol) + * @param lt_f the lower end (frequency sum of < symbols) + */ +static inline void range_decode_update(APE_COdec_Private_t * ctx, int sy_f, int lt_f) +{ + ctx->rc.low -= ctx->rc.help * lt_f; + ctx->rc.range = ctx->rc.help * sy_f; +} + +/** Decode n bits (n <= 16) without modelling */ +static inline int range_decode_bits(APE_COdec_Private_t * ctx, int n) +{ + int sym = range_decode_culshift(ctx, n); + range_decode_update(ctx, 1, sym); + return sym; +} + + +#define MODEL_ELEMENTS 64 + +/** + * Fixed probabilities for symbols in Monkey Audio version 3.97 + */ +static const uint16_t counts_3970[22] = { + 0, 14824, 28224, 39348, 47855, 53994, 58171, 60926, + 62682, 63786, 64463, 64878, 65126, 65276, 65365, 65419, + 65450, 65469, 65480, 65487, 65491, 65493, +}; + +/** + * Probability ranges for symbols in Monkey Audio version 3.97 + */ +static const uint16_t counts_diff_3970[21] = { + 14824, 13400, 11124, 8507, 6139, 4177, 2755, 1756, + 1104, 677, 415, 248, 150, 89, 54, 31, + 19, 11, 7, 4, 2, +}; + +/** + * Fixed probabilities for symbols in Monkey Audio version 3.98 + */ +static const uint16_t counts_3980[22] = { + 0, 19578, 36160, 48417, 56323, 60899, 63265, 64435, + 64971, 65232, 65351, 65416, 65447, 65466, 65476, 65482, + 65485, 65488, 65490, 65491, 65492, 65493, +}; + +/** + * Probability ranges for symbols in Monkey Audio version 3.98 + */ +static const uint16_t counts_diff_3980[21] = { + 19578, 16582, 12257, 7906, 4576, 2366, 1170, 536, + 261, 119, 65, 31, 19, 10, 6, 3, + 3, 2, 1, 1, 1, +}; + +/** + * Decode symbol + * @param ctx decoder context + * @param counts probability range start position + * @param counts_diff probability range widths + */ +static inline int range_get_symbol(APE_COdec_Private_t * ctx, + const uint16_t counts[], + const uint16_t counts_diff[]) +{ + int symbol, cf; + + cf = range_decode_culshift(ctx, 16); + + if (cf > 65492) { + symbol = cf - 65535 + 63; + range_decode_update(ctx, 1, cf); + if (cf > 65535) { + ctx->error = 1; + } + return symbol; + } + /* figure out the symbol inefficiently; a binary search would be much better */ + for (symbol = 0; counts[symbol + 1] <= cf; symbol++) { + ; + } + + range_decode_update(ctx, counts_diff[symbol], counts[symbol]); + + return symbol; +} +/** @} */ // group rangecoder + +static inline void update_rice(APERice *rice, int x) +{ + int lim = rice->k ? (1 << (rice->k + 4)) : 0; + rice->ksum += ((x + 1) / 2) - ((rice->ksum + 16) >> 5); + + if (rice->ksum < lim) { + rice->k--; + } else if (rice->ksum >= (1 << (rice->k + 5))) { + rice->k++; + } +} + +static inline int ape_decode_value(APE_COdec_Private_t * ctx, APERice *rice) +{ + int x, overflow; + + if (ctx->fileversion < 3990) { + int tmpk; + + overflow = range_get_symbol(ctx, counts_3970, counts_diff_3970); + + if (overflow == (MODEL_ELEMENTS - 1)) { + tmpk = range_decode_bits(ctx, 5); + overflow = 0; + } else { + tmpk = (rice->k < 1) ? 0 : rice->k - 1; + } + + if (tmpk <= 16) { + x = range_decode_bits(ctx, tmpk); + } else { + x = range_decode_bits(ctx, 16); + x |= (range_decode_bits(ctx, tmpk - 16) << 16); + } + x += overflow << tmpk; + } else { + int base, pivot; + + pivot = rice->ksum >> 5; + if (pivot == 0) { + pivot = 1; + } + + overflow = range_get_symbol(ctx, counts_3980, counts_diff_3980); + + if (overflow == (MODEL_ELEMENTS - 1)) { + overflow = range_decode_bits(ctx, 16) << 16; + overflow |= range_decode_bits(ctx, 16); + } + + base = range_decode_culfreq(ctx, pivot); + range_decode_update(ctx, 1, base); + + x = base + overflow * pivot; + } + + update_rice(rice, x); + + /* Convert to signed */ + if (x & 1) { + return (x >> 1) + 1; + } else { + return -(x >> 1); + } +} + +static void entropy_decode(APE_COdec_Private_t * ctx, int blockstodecode, int stereo) +{ + int32_t *decoded0 = ctx->decoded0; + int32_t *decoded1 = ctx->decoded1; + + ctx->blocksdecoded = blockstodecode; + + if (ctx->frameflags & APE_FRAMECODE_STEREO_SILENCE) { + /* We are pure silence, just memset the output buffer. */ + memset(decoded0, 0, blockstodecode * sizeof(int32_t)); + memset(decoded1, 0, blockstodecode * sizeof(int32_t)); + } else { + while (blockstodecode--) { + *decoded0++ = ape_decode_value(ctx, &ctx->riceY); + if (stereo) { + *decoded1++ = ape_decode_value(ctx, &ctx->riceX); + } + } + } + + if (ctx->blocksdecoded == ctx->currentframeblocks) { + range_dec_normalize(ctx); /* normalize to use up all bytes */ + } +} + +static void init_entropy_decoder(APE_COdec_Private_t * ctx) +{ + /* Read the CRC */ + ctx->CRC = bytestream_get_be32(&ctx->ptr); + + /* Read the frame flags if they exist */ + ctx->frameflags = 0; + if ((ctx->fileversion > 3820) && (ctx->CRC & 0x80000000)) { + ctx->CRC &= ~0x80000000; + + ctx->frameflags = bytestream_get_be32(&ctx->ptr); + } + + /* Keep a count of the blocks decoded in this frame */ + ctx->blocksdecoded = 0; + + /* Initialize the rice structs */ + ctx->riceX.k = 10; + ctx->riceX.ksum = (1 << ctx->riceX.k) * 16; + ctx->riceY.k = 10; + ctx->riceY.ksum = (1 << ctx->riceY.k) * 16; + + /* The first 8 bits of input are ignored. */ + ctx->ptr++; + + range_start_decoding(ctx); +} + +static const int32_t initial_coeffs[4] = { + 360, 317, -109, 98 +}; + +static void init_predictor_decoder(APE_COdec_Private_t * ctx) +{ + APEPredictor *p = &ctx->predictor; + + /* Zero the history buffers */ + memset(p->historybuffer, 0, PREDICTOR_SIZE * sizeof(int32_t)); + p->buf = p->historybuffer; + + /* Initialize and zero the coefficients */ + memcpy(p->coeffsA[0], initial_coeffs, sizeof(initial_coeffs)); + memcpy(p->coeffsA[1], initial_coeffs, sizeof(initial_coeffs)); + memset(p->coeffsB, 0, sizeof(p->coeffsB)); + + p->filterA[0] = p->filterA[1] = 0; + p->filterB[0] = p->filterB[1] = 0; + p->lastA[0] = p->lastA[1] = 0; +} + +/** Get inverse sign of integer (-1 for positive, 1 for negative and 0 for zero) */ +static inline int APESIGN(int32_t x) +{ + return (x < 0) - (x > 0); +} + +static int predictor_update_filter(APEPredictor *p, const int decoded, const int filter, const int delayA, const int delayB, const int adaptA, const int adaptB) +{ + int32_t predictionA, predictionB; + + p->buf[delayA] = p->lastA[filter]; + p->buf[adaptA] = APESIGN(p->buf[delayA]); + p->buf[delayA - 1] = p->buf[delayA] - p->buf[delayA - 1]; + p->buf[adaptA - 1] = APESIGN(p->buf[delayA - 1]); + + predictionA = p->buf[delayA ] * p->coeffsA[filter][0] + + p->buf[delayA - 1] * p->coeffsA[filter][1] + + p->buf[delayA - 2] * p->coeffsA[filter][2] + + p->buf[delayA - 3] * p->coeffsA[filter][3]; + + /* Apply a scaled first-order filter compression */ + p->buf[delayB] = p->filterA[filter ^ 1] - ((p->filterB[filter] * 31) >> 5); + p->buf[adaptB] = APESIGN(p->buf[delayB]); + p->buf[delayB - 1] = p->buf[delayB] - p->buf[delayB - 1]; + p->buf[adaptB - 1] = APESIGN(p->buf[delayB - 1]); + p->filterB[filter] = p->filterA[filter ^ 1]; + + predictionB = p->buf[delayB ] * p->coeffsB[filter][0] + + p->buf[delayB - 1] * p->coeffsB[filter][1] + + p->buf[delayB - 2] * p->coeffsB[filter][2] + + p->buf[delayB - 3] * p->coeffsB[filter][3] + + p->buf[delayB - 4] * p->coeffsB[filter][4]; + + p->lastA[filter] = decoded + ((predictionA + (predictionB >> 1)) >> 10); + p->filterA[filter] = p->lastA[filter] + ((p->filterA[filter] * 31) >> 5); + + if (!decoded) { // no need updating filter coefficients + return p->filterA[filter]; + } + + if (decoded > 0) { + p->coeffsA[filter][0] -= p->buf[adaptA ]; + p->coeffsA[filter][1] -= p->buf[adaptA - 1]; + p->coeffsA[filter][2] -= p->buf[adaptA - 2]; + p->coeffsA[filter][3] -= p->buf[adaptA - 3]; + + p->coeffsB[filter][0] -= p->buf[adaptB ]; + p->coeffsB[filter][1] -= p->buf[adaptB - 1]; + p->coeffsB[filter][2] -= p->buf[adaptB - 2]; + p->coeffsB[filter][3] -= p->buf[adaptB - 3]; + p->coeffsB[filter][4] -= p->buf[adaptB - 4]; + } else { + p->coeffsA[filter][0] += p->buf[adaptA ]; + p->coeffsA[filter][1] += p->buf[adaptA - 1]; + p->coeffsA[filter][2] += p->buf[adaptA - 2]; + p->coeffsA[filter][3] += p->buf[adaptA - 3]; + + p->coeffsB[filter][0] += p->buf[adaptB ]; + p->coeffsB[filter][1] += p->buf[adaptB - 1]; + p->coeffsB[filter][2] += p->buf[adaptB - 2]; + p->coeffsB[filter][3] += p->buf[adaptB - 3]; + p->coeffsB[filter][4] += p->buf[adaptB - 4]; + } + return p->filterA[filter]; +} + +static void predictor_decode_stereo(APE_COdec_Private_t * ctx, int count) +{ + int32_t predictionA, predictionB; + APEPredictor *p = &ctx->predictor; + int32_t *decoded0 = ctx->decoded0; + int32_t *decoded1 = ctx->decoded1; + + while (count--) { + /* Predictor Y */ + predictionA = predictor_update_filter(p, *decoded0, 0, YDELAYA, YDELAYB, YADAPTCOEFFSA, YADAPTCOEFFSB); + predictionB = predictor_update_filter(p, *decoded1, 1, XDELAYA, XDELAYB, XADAPTCOEFFSA, XADAPTCOEFFSB); + *(decoded0++) = predictionA; + *(decoded1++) = predictionB; + + /* Combined */ + p->buf++; + + /* Have we filled the history buffer? */ + if (p->buf == p->historybuffer + HISTORY_SIZE) { + memmove(p->historybuffer, p->buf, PREDICTOR_SIZE * sizeof(int32_t)); + p->buf = p->historybuffer; + } + } +} + +static void predictor_decode_mono(APE_COdec_Private_t * ctx, int count) +{ + APEPredictor *p = &ctx->predictor; + int32_t *decoded0 = ctx->decoded0; + int32_t predictionA, currentA, A; + + currentA = p->lastA[0]; + + while (count--) { + A = *decoded0; + + p->buf[YDELAYA] = currentA; + p->buf[YDELAYA - 1] = p->buf[YDELAYA] - p->buf[YDELAYA - 1]; + + predictionA = p->buf[YDELAYA ] * p->coeffsA[0][0] + + p->buf[YDELAYA - 1] * p->coeffsA[0][1] + + p->buf[YDELAYA - 2] * p->coeffsA[0][2] + + p->buf[YDELAYA - 3] * p->coeffsA[0][3]; + + currentA = A + (predictionA >> 10); + + p->buf[YADAPTCOEFFSA] = APESIGN(p->buf[YDELAYA ]); + p->buf[YADAPTCOEFFSA - 1] = APESIGN(p->buf[YDELAYA - 1]); + + if (A > 0) { + p->coeffsA[0][0] -= p->buf[YADAPTCOEFFSA ]; + p->coeffsA[0][1] -= p->buf[YADAPTCOEFFSA - 1]; + p->coeffsA[0][2] -= p->buf[YADAPTCOEFFSA - 2]; + p->coeffsA[0][3] -= p->buf[YADAPTCOEFFSA - 3]; + } else if (A < 0) { + p->coeffsA[0][0] += p->buf[YADAPTCOEFFSA ]; + p->coeffsA[0][1] += p->buf[YADAPTCOEFFSA - 1]; + p->coeffsA[0][2] += p->buf[YADAPTCOEFFSA - 2]; + p->coeffsA[0][3] += p->buf[YADAPTCOEFFSA - 3]; + } + + p->buf++; + + /* Have we filled the history buffer? */ + if (p->buf == p->historybuffer + HISTORY_SIZE) { + memmove(p->historybuffer, p->buf, PREDICTOR_SIZE * sizeof(int32_t)); + p->buf = p->historybuffer; + } + + p->filterA[0] = currentA + ((p->filterA[0] * 31) >> 5); + *(decoded0++) = p->filterA[0]; + } + + p->lastA[0] = currentA; +} + +static void do_init_filter(APEFilter *f, int16_t * buf, int order) +{ + f->coeffs = buf; + f->historybuffer = buf + order; + f->delay = f->historybuffer + order * 2; + f->adaptcoeffs = f->historybuffer + order; + + memset(f->historybuffer, 0, (order * 2) * sizeof(int16_t)); + memset(f->coeffs, 0, order * sizeof(int16_t)); + f->avg = 0; +} + +static void init_filter(APE_COdec_Private_t * ctx, APEFilter *f, int16_t * buf, int order) +{ + do_init_filter(&f[0], buf, order); + do_init_filter(&f[1], buf + order * 3 + HISTORY_SIZE, order); +} +static int32_t scalarproduct_int16_c(int16_t * v1, int16_t * v2, int order, int shift) +{ + int res = 0; + +#if !(defined __ARM_HAVE_NEON) + while (order--) { + res += (*v1++ * *v2++)/* >> shift*/; + } +#else + int j = order / 4; + int k = order % 4; + int32x4_t neonres = vdupq_n_s32(0); + + while (j--) { + neonres = vmlal_s16(neonres, vld1_s16(v1), vld1_s16(v2)); + v1 += 4; + v2 += 4; + } + + while (k--) { + res += (*v1++ * *v2++); + } + + res += vgetq_lane_s32(neonres, 0) + vgetq_lane_s32(neonres, 1) + + vgetq_lane_s32(neonres, 2) + vgetq_lane_s32(neonres, 3); +#endif + return res; +} +static void add_int16_c(int16_t * v1, int16_t * v2, int order) +{ +#if !(defined __ARM_HAVE_NEON) + while (order--) { + *v1++ += *v2++; + } +#else + int j = order / 8; + int k = order % 8; + int16x8_t neonv1; + + while (j--) { + neonv1 = vaddq_s16(vld1q_s16(v1), vld1q_s16(v2)); + vst1q_s16(v1, neonv1); + v1 += 8; + v2 += 8; + } + + while (k--) { + *v1++ += *v2++; + } +#endif +} + +static void sub_int16_c(int16_t * v1, int16_t * v2, int order) +{ +#if !(defined __ARM_HAVE_NEON) + while (order--) { + *v1++ -= *v2++; + } +#else + int j = order / 8; + int k = order % 8; + int16x8_t neonv1; + + while (j--) { + neonv1 = vsubq_s16(vld1q_s16(v1), vld1q_s16(v2)); + vst1q_s16(v1, neonv1); + v1 += 8; + v2 += 8; + } + + while (k--) { + *v1++ -= *v2++; + } +#endif +} +static inline int16_t av_clip_int16(int a) +{ + if ((a + 32768) & ~65535) { + return (a >> 31) ^ 32767; + } else { + return a; + } +} +static inline void do_apply_filter(APE_COdec_Private_t * ctx, int version, APEFilter *f, int32_t *data, int count, int order, int fracbits) +{ + int res; + int absres; + + while (count--) { + /* round fixedpoint scalar product */ + res = (scalarproduct_int16_c(f->delay - order, f->coeffs, order, 0) + (1 << (fracbits - 1))) >> fracbits; + + if (*data < 0) { + add_int16_c(f->coeffs, f->adaptcoeffs - order, order); + } else if (*data > 0) { + sub_int16_c(f->coeffs, f->adaptcoeffs - order, order); + } + + res += *data; + + *data++ = res; + + /* Update the output history */ + *f->delay++ = av_clip_int16(res); + + if (version < 3980) { + /* Version ??? to < 3.98 files (untested) */ + f->adaptcoeffs[0] = (res == 0) ? 0 : ((res >> 28) & 8) - 4; + f->adaptcoeffs[-4] >>= 1; + f->adaptcoeffs[-8] >>= 1; + } else { + /* Version 3.98 and later files */ + + /* Update the adaption coefficients */ + absres = (res < 0 ? -res : res); + + if (absres > (f->avg * 3)) { + *f->adaptcoeffs = ((res >> 25) & 64) - 32; + } else if (absres > (f->avg * 4) / 3) { + *f->adaptcoeffs = ((res >> 26) & 32) - 16; + } else if (absres > 0) { + *f->adaptcoeffs = ((res >> 27) & 16) - 8; + } else { + *f->adaptcoeffs = 0; + } + + f->avg += (absres - f->avg) / 16; + + f->adaptcoeffs[-1] >>= 1; + f->adaptcoeffs[-2] >>= 1; + f->adaptcoeffs[-8] >>= 1; + } + + f->adaptcoeffs++; + + /* Have we filled the history buffer? */ + if (f->delay == f->historybuffer + HISTORY_SIZE + (order * 2)) { + memmove(f->historybuffer, f->delay - (order * 2), + (order * 2) * sizeof(int16_t)); + f->delay = f->historybuffer + order * 2; + f->adaptcoeffs = f->historybuffer + order; + } + } +} + +static void apply_filter(APE_COdec_Private_t * ctx, APEFilter *f, + int32_t * data0, int32_t * data1, + int count, int order, int fracbits) +{ + do_apply_filter(ctx, ctx->fileversion, &f[0], data0, count, order, fracbits); + if (data1) { + do_apply_filter(ctx, ctx->fileversion, &f[1], data1, count, order, fracbits); + } +} + +static void ape_apply_filters(APE_COdec_Private_t * ctx, int32_t * decoded0, + int32_t * decoded1, int count) +{ + int i; + + for (i = 0; i < APE_FILTER_LEVELS; i++) { + if (!ape_filter_orders[ctx->fset][i]) { + break; + } + apply_filter(ctx, ctx->filters[i], decoded0, decoded1, count, ape_filter_orders[ctx->fset][i], ape_filter_fracbits[ctx->fset][i]); + } +} + +static void init_frame_decoder(APE_COdec_Private_t * ctx) +{ + int i; + init_entropy_decoder(ctx); + init_predictor_decoder(ctx); + + for (i = 0; i < APE_FILTER_LEVELS; i++) { + if (!ape_filter_orders[ctx->fset][i]) { + break; + } + init_filter(ctx, ctx->filters[i], ctx->filterbuf[i], ape_filter_orders[ctx->fset][i]); + } +} + +static void ape_unpack_mono(APE_COdec_Private_t * ctx, int count) +{ + int32_t left; + int32_t *decoded0 = ctx->decoded0; + int32_t *decoded1 = ctx->decoded1; + + if (ctx->frameflags & APE_FRAMECODE_STEREO_SILENCE) { + entropy_decode(ctx, count, 0); + /* We are pure silence, so we're done. */ + printf("pure silence mono\n"); + return; + } + + entropy_decode(ctx, count, 0); + ape_apply_filters(ctx, decoded0, NULL, count); + + /* Now apply the predictor decoding */ + predictor_decode_mono(ctx, count); + + /* Pseudo-stereo - just copy left channel to right channel */ + if (ctx->channels == 2) { + while (count--) { + left = *decoded0; + *(decoded1++) = *(decoded0++) = left; + } + } +} + +static void ape_unpack_stereo(APE_COdec_Private_t * ctx, int count) +{ + int32_t left, right; + int32_t *decoded0 = ctx->decoded0; + int32_t *decoded1 = ctx->decoded1; + + if (ctx->frameflags & APE_FRAMECODE_STEREO_SILENCE) { + /* We are pure silence, so we're done. */ + printf("Function %s:pure silence stereo\n,""ape_unpack_stereo"); + return; + } + + entropy_decode(ctx, count, 1); + ape_apply_filters(ctx, decoded0, decoded1, count); + + /* Now apply the predictor decoding */ + predictor_decode_stereo(ctx, count); + + /* Decorrelate and scale to output depth */ + while (count--) { + left = *decoded1 - (*decoded0 / 2); + right = left + *decoded0; + + *(decoded0++) = left; + *(decoded1++) = right; + } +} +static void bswap_buf(uint32_t *dst, const uint32_t *src, int w) +{ + int i; + + for (i = 0; i + 8 <= w; i += 8) { + dst[i + 0] = bswap_32(src[i + 0]); + dst[i + 1] = bswap_32(src[i + 1]); + dst[i + 2] = bswap_32(src[i + 2]); + dst[i + 3] = bswap_32(src[i + 3]); + dst[i + 4] = bswap_32(src[i + 4]); + dst[i + 5] = bswap_32(src[i + 5]); + dst[i + 6] = bswap_32(src[i + 6]); + dst[i + 7] = bswap_32(src[i + 7]); + } + for (; i < w; i++) { + dst[i + 0] = bswap_32(src[i + 0]); + } +} + +APE_Decode_status_t ape_decode_frame(APE_Decoder_t * avctx, \ + void *data, int *data_size , \ + const unsigned char * buf, int buf_size) +{ + + APE_COdec_Private_t *s = avctx->private_data; + //APEContext *apecontext =(APEContext *) avctx->public_data->ape_header_context; + int16_t *samples = data; + int nblocks; + int i, n; + int blockstodecode; + // unsigned *inputbuf; + if (buf_size == 0 && !s->samples) { + *data_size = 0; + printf("error parameter in:buf_size:%d\n", buf_size); + return APE_DECODE_ERROR_ABORT; + } + if (!s->samples) { //the new frame decode loop + if (s->data) { + s->data = dsp_realloc(s->data, (buf_size + 3) & ~3); + } else { + s->data = dsp_malloc((buf_size + 3) & ~3); + } + if (!s->data) { + printf("malloc for input frame failed,enlarge the mem pool!\r\n"); + } + bswap_buf((uint32_t*)s->data, (const uint32_t*)buf, buf_size >> 2); + s->ptr = s->last_ptr = s->data;//the current data position + s->data_end = s->data + buf_size; + nblocks = s->samples = bytestream_get_be32(&s->ptr);//the current frame block num + n = bytestream_get_be32(&s->ptr);//skip + if (n < 0 || n > 3) { + audio_codec_print("Incorrect offset passed:%d\n", n); + printf("current block num this frame is %d\n", nblocks); + s->data = NULL; + s->samples = 0; + return APE_DECODE_ERROR_ABORT; + } + s->ptr += n;// the begin of the data read loop + + s->currentframeblocks = nblocks; + buf += 4; + if (s->samples <= 0) { + printf("it seems that the samples num frame<= 0\n"); + *data_size = 0; + return APE_DECODE_ERROR_ABORT; + } + + //s->samples = apecontext->frames[apecontext->currentframe]->nblocks; + memset(s->decoded0, 0, sizeof(s->decoded0)); + memset(s->decoded1, 0, sizeof(s->decoded1)); + + /* Initialize the frame decoder */ + init_frame_decoder(s); + } + + if (!s->data) { + *data_size = 0; + printf("it seems that s->data== 0\n"); + return APE_DECODE_ERROR_ABORT; + } + + nblocks = s->samples; + blockstodecode = BLOCKS_PER_LOOP > nblocks ? nblocks : BLOCKS_PER_LOOP; + + s->error = 0; + + if ((s->channels == 1) || (s->frameflags & APE_FRAMECODE_PSEUDO_STEREO)) { + ape_unpack_mono(s, blockstodecode); + } else { + ape_unpack_stereo(s, blockstodecode); + } + + if (s->error || s->ptr > s->data_end) { + s->samples = 0; + *data_size = 0; + printf("Error decoding frame.error num 0x%x.s->ptr 0x%x bigger s->data_end %x\n", s->error, s->ptr, s->data_end); + return APE_DECODE_ERROR_ABORT; + } + + for (i = 0; i < blockstodecode; i++) { + *samples++ = s->decoded0[i]; + if (s->channels == 2) { + *samples++ = s->decoded1[i]; + } + } + + s->samples -= blockstodecode; + + *data_size = s->samples ? s->ptr - s->last_ptr : buf_size; + s->last_ptr = s->ptr; + return APE_DECODE_ONE_FRAME_FINISH; +} + +//confirmed one frame +int audio_dec_decode(audio_decoder_operations_t *adec_ops, char *outbuf, int *outlen, char *inbuf, int inlen) +{ + unsigned char buffer[5]; + unsigned current_framesize = 0; + char extra_data = 8; + unsigned int first_read = 0; + apeiobuf.bytesLeft = 0; + int nDecodedSize = 0; + if (apeiobuf.bytesLeft == 0) { + current_framesize = inlen;//sss + apeiobuf.readPtr = inbuf; + int buffersize_remain = current_framesize; + unsigned char * read_buf_ptr = apeiobuf.readPtr; + apeiobuf.bytesLeft += current_framesize; + apedec->public_data->current_decoding_frame++; + } + + if (apeiobuf.bytesLeft) { + int err = 0; + if ((err = ape_decode_frame(apedec, apeiobuf.outBuf, \ + &apeiobuf.thislop_decoded_size, \ + apeiobuf.readPtr, apeiobuf.bytesLeft)) != APE_DECODE_ONE_FRAME_FINISH) { + audio_codec_print("apeiobuf.thislop_decoded_size=%d\n", apeiobuf.thislop_decoded_size); + if (apeiobuf.thislop_decoded_size <= 0) { + audio_codec_print("error id:%d happened when decoding ape frame\n", err); + apeiobuf.bytesLeft = 0; + } + nDecodedSize = 0; + } else { + audio_codec_print("decode_one_frame_finished\n"); + audio_codec_print("Enter into write_buffer operation\n"); + int size = (apedec->private_data->blocksdecoded) * (apedec->private_data->channels) * 2; + *outlen = size; + nDecodedSize = apeiobuf.thislop_decoded_size; + audio_codec_print("apedec->private_data->blocksdecoded=%d\n", apedec->private_data->blocksdecoded); + audio_codec_print("apedec->private_data->channels=%d\n", apedec->private_data->channels); + audio_codec_print(">>>>>>>>>>>>>>>>size = %d\n", size); + memcpy(outbuf, (unsigned char*)apeiobuf.outBuf, size); + } + } + return nDecodedSize; + +} + +#define DefaultReadSize 1024*10 //read count from kernel audio buf one time +#define DefaultOutBufSize 1024*1024*2 +int audio_dec_init(audio_decoder_operations_t *adec_ops) +{ + int x = 1; + char *p = (char *)&x; + //audio_codec_print("\n\n[%s]BuildDate--%s BuildTime--%s", __FUNCTION__, __DATE__, __TIME__); + if (*p == 1) { + audio_codec_print("Little endian\n"); + } else { + audio_codec_print("Big endian\n"); + } + + apedec = NULL; + if (!apedec) { + headinfo.bps = adec_ops->bps; + headinfo.channels = adec_ops->channels; + headinfo.samplerate = adec_ops->samplerate; + headinfo.fileversion = ((*(adec_ops->extradata + 1)) << 8) | (*(adec_ops->extradata)); // the info below 3 row are based on ape.c encodec relatively + headinfo.compressiontype = ((*(adec_ops->extradata + 3)) << 8) | (*(adec_ops->extradata + 2)); + headinfo.formatflags = ((*(adec_ops->extradata + 5)) << 8) | (*(adec_ops->extradata + 4)); + /*pass the ape header info to the decoder instance**/ + apedec = ape_decoder_new((void*)&headinfo); + + } + if (!apedec) { + audio_codec_print("%s: FATAL ERROR creating the decoder instance\n", "ape"); + return -1; + } + if (ape_decode_init(apedec) != APE_DECODE_INIT_FINISH) { + audio_codec_print("%s: FATAL ERROR inititate the decoder instance\n", "ape"); + return -1; + } + adec_ops->nInBufSize = DefaultReadSize; + adec_ops->nOutBufSize = DefaultOutBufSize; + audio_codec_print("ape_Init.\n"); + return 0; +} +int audio_dec_release(audio_decoder_operations_t *adec_ops) +{ + return 0; +} +int audio_dec_getinfo(audio_decoder_operations_t *adec_ops, void *pAudioInfo) +{ + return 0; +} + + + + diff --git a/audio_codec/libcook/Android.mk b/audio_codec/libcook/Android.mk new file mode 100644 index 0000000..350ccff --- a/dev/null +++ b/audio_codec/libcook/Android.mk @@ -0,0 +1,28 @@ +LOCAL_PATH := $(call my-dir) + +include $(CLEAR_VARS) +LOCAL_MODULE := libcook +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +LOCAL_ARM_MODE := arm +LOCAL_C_INCLUDES := $(LOCAL_PATH) + +ifeq ($(ARCH_ARM_HAVE_NEON),true) + LOCAL_CFLAGS += -D__ARM_HAVE_NEON -DOPT_NEON +endif +include $(BUILD_STATIC_LIBRARY) + + + +include $(CLEAR_VARS) + +LOCAL_MODULE := libcook +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +LOCAL_ARM_MODE := arm +LOCAL_MODULE_TAGS := optional +LOCAL_C_INCLUDES := $(LOCAL_PATH) + +LOCAL_SHARED_LIBRARIES += libutils libmedia libz libbinder libdl libcutils libc + +LOCAL_PRELINK_MODULE := false + +include $(BUILD_SHARED_LIBRARY) diff --git a/audio_codec/libcook/aac_bitstream.h b/audio_codec/libcook/aac_bitstream.h new file mode 100644 index 0000000..845093c --- a/dev/null +++ b/audio_codec/libcook/aac_bitstream.h @@ -0,0 +1,133 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aac_bitstream.h,v 1.1.1.1.2.1 2005/05/04 18:21:58 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/* bitstream reader functions. No checking for end-of-bits included! */ + +#ifndef _BITSTREAM_H_ +#define _BITSTREAM_H_ + +#include "rm_memory.h" + +#ifdef __cplusplus +extern "C" { +#endif + + /** The bitstream structure. + * The idea of the bitstream reader is to keep a cache word that has the machine's + * largest native size. This word keeps the next-to-read bits left-aligned so that + * on a read, one shift suffices. + * The cache word is only refilled if it does not contain enough bits to satisy a + * a read request. Because the refill only happens in multiple of 8 bits, the maximum + * read size that is guaranteed to be always fulfilled is the number of bits in a long + * minus 8 (or the number of bits in a byte). + */ + + struct BITSTREAM ; + + /** read nBits bits from bitstream + * @param pBitstream the bitstream to read from + * @param nBits the number of bits to read. nBits must be <= 32, currently. + * @return the bits read, right-justified + */ + unsigned int readBits(struct BITSTREAM *pBitstream, int nBits) ; + + /** push bits back into the bitstream. + * This call is here to make look-ahead possible, where after reading the client + * may realize it has read too far ahead. It is guaranteed to succeed as long as + * you don't push more bits back than have been read in the last readBits() call. + * @param pBitstream the bitstream to push back into + * @param bits the bits to push back + * @param nBits the number of bits to push back. + * @return an error code, signalling success or failure. + */ + int unreadBits(struct BITSTREAM *pBitstream, int bits, int nBits) ; + + /** byte-align the bitstream read pointer. */ + void byteAlign(struct BITSTREAM *pBitstream) ; + + /** allocate memory for a new bitstream structure. + * @param ppBitstream a pointer to a bitstream handle, to be initialized on + * successfull return + * @param nBits the maximum number of bits this bitstream must be able to hold. + * nBits must be divisible by 32. + * @param pUserMem optional user-defined memory handle + * @param fpMalloc user-defined malloc() implementation + * @return an error code, signalling success or failure. + * @see reverseBitstream + */ + int newBitstream(struct BITSTREAM **ppBitstream, int nBits, + void* pUserMem, rm_malloc_func_ptr fpMalloc) ; + + /** free memory associated with a bitstream structure. + * @param pBitstream a bitstream handle + * @param pUserMem optional user-defined memory handle + * @param fpFree user-defined free() implementation + */ + void deleteBitstream(struct BITSTREAM *pBitstream, void *pUserMem, + rm_free_func_ptr fpFree) ; + + /** feed nbits bits to the bitstream, byte-wise. + * @param pBitstream the bitstream into which to feed the bytes + * @param input the input from which to read the bytes + * @param nbits the number of bits in the input. nbits must be divisible by 32 + * for reverseBitstream() to work. + * @return an error code, signalling success or failure. + * @see reverseBitstream + */ + + int feedBitstream(struct BITSTREAM *pBitstream, const unsigned char *input, int nbits) ; + + /** set bitstream position, relative to origin defined through feedBitstream(). + * @param pBitstream the bitstream + * @param position the position in bits (must be multiple of 8, currently). + * Always measured from beginning, regardless of direction. + * @param direction the direction of reading (+1/-1) + */ + + int setAtBitstream(struct BITSTREAM *pBitstream, int position, int direction) ; + + /** return the number of bits left until end-of-stream. + * @param pBitstream the bitstream + * @return the number of bits left + */ + int bitsLeftInBitstream(struct BITSTREAM *pBitstream) ; + +#ifdef __cplusplus +} +#endif + +#endif /* _BITSTREAM_H_ */ diff --git a/audio_codec/libcook/aac_decode.h b/audio_codec/libcook/aac_decode.h new file mode 100644 index 0000000..28f77d9 --- a/dev/null +++ b/audio_codec/libcook/aac_decode.h @@ -0,0 +1,148 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aac_decode.h,v 1.2.2.1 2005/05/04 18:21:58 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef AAC_DECODE_H +#define AAC_DECODE_H + +#include "helix_types.h" +#include "helix_result.h" +#include "ra_decode.h" + + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* aac decode struct */ + typedef struct aac_decode_struct { + void* pDecoder; + void* pFrameInfo; + UINT32 ulNumChannels; + UINT32 ulChannelMask; + UINT32 ulBlockSize; + UINT32 ulFrameSize; + UINT32 ulFramesPerBlock; + UINT32 ulSamplesPerFrame; + UINT32 ulSampleRateCore; + UINT32 ulSampleRateOut; + UINT32 ulDelayRemaining; + UINT32 ulSamplesToConceal; + HXBOOL bSBR; + } aac_decode; + + /* aac decode interface */ + + /* + * aac_decode_init + */ + HX_RESULT aac_decode_init(void* pInitParams, + UINT32 ulInitParamsSize, + ra_format_info* pStreamInfo, + void** pDecode, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* + * aac_decode_reset + */ + HX_RESULT aac_decode_reset(void* pDecode, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut); + + /* + * aac_decode_conceal + */ + HX_RESULT aac_decode_conceal(void* pDecode, + UINT32 ulNumSamples); + + /* + * aac_decode_decode + */ + HX_RESULT aac_decode_decode(void* pDecode, + UINT8* pData, + UINT32 ulNumBytes, + UINT32* pNumBytesConsumed, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut, + UINT32 ulFlags, + UINT32 ulTimeStamp); + + /* + * aac_decode_getmaxsize + */ + HX_RESULT aac_decode_getmaxsize(void* pDecode, + UINT32* pNumSamples); + + /* + * aac_decode_getchannels + */ + HX_RESULT aac_decode_getchannels(void* pDecode, + UINT32* pNumChannels); + + /* + * aac_decode_getchannelmask + */ + HX_RESULT aac_decode_getchannelmask(void* pDecode, + UINT32* pChannelMask); + + /* + * aac_decode_getrate + */ + HX_RESULT aac_decode_getrate(void* pDecode, + UINT32* pSampleRate); + + /* + * aac_decode_getdelay + */ + HX_RESULT aac_decode_getdelay(void* pDecode, + UINT32* pNumSamples); + + /* + * aac_decode_close + */ + HX_RESULT aac_decode_close(void* pDecode, + void* pUserMem, + rm_free_func_ptr fpFree); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef AAC_DECODE_H */ diff --git a/audio_codec/libcook/aac_reorder.h b/audio_codec/libcook/aac_reorder.h new file mode 100644 index 0000000..008beb0 --- a/dev/null +++ b/audio_codec/libcook/aac_reorder.h @@ -0,0 +1,53 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aac_reorder.h,v 1.1.1.1.2.1 2005/05/04 18:21:58 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef AAC_REORDER_H +#define AAC_REORDER_H + +#include "helix_types.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + void AACReorderPCMChannels(INT16 *pcmBuf, int nSamps, int nChans); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef AAC_REORDER_H */ diff --git a/audio_codec/libcook/assembly.h b/audio_codec/libcook/assembly.h new file mode 100644 index 0000000..aceb886 --- a/dev/null +++ b/audio_codec/libcook/assembly.h @@ -0,0 +1,119 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: assembly.h,v 1.13 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * assembly.h - inline assembly language functions and prototypes + * + * MULSHIFT32(x, y) signed multiply of two 32-bit integers (x and y), + * returns top 32-bits of 64-bit result + * CLIPTOSHORT(x) convert 32-bit integer to 16-bit short, + * clipping to [-32768, 32767] + * FASTABS(x) branchless absolute value of signed integer x + * CLZ(x) count leading zeros on signed integer x + **************************************************************************************/ + +#ifndef _ASSEMBLY_H +#define _ASSEMBLY_H + +#include "coder.h" + +/* toolchain: ARM gcc + * target architecture: ARM v.4 and above (requires 'M' type processor for 32x32->64 multiplier) + */ + +#if defined(__aarch64__) +static __inline__ int MULSHIFT32(int x, int y) +{ + long c; + c = (long)x * y; + return (int)c; +} +#else +static __inline__ int MULSHIFT32(int x, int y) +{ + int zlow; + __asm__ volatile("smull %0,%1,%2,%3" : "=&r"(zlow), "=r"(y) : "r"(x), "1"(y)); + return y; +} +#endif +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return (sizeof(int) * 8); + } + + numZeros = 0; + while (!(x & 0x80000000)) { + numZeros++; + x <<= 1; + } + + return numZeros; +} + + +#endif /* _ASSEMBLY_H */ diff --git a/audio_codec/libcook/challenge.h b/audio_codec/libcook/challenge.h new file mode 100644 index 0000000..3f9540f --- a/dev/null +++ b/audio_codec/libcook/challenge.h @@ -0,0 +1,132 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: challenge.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef _CHALLENGE_H_ +#define _CHALLENGE_H_ + +#include "helix_types.h" +#include "helix_utils.h" +#include "rm_memory.h" + + + +/* + * The original Challange structure and methods. Used in the + * Old PNA and as the first round in the new RTSP Challenge. + */ +struct Challenge { + BYTE text[33]; + BYTE response[33]; +}; + +struct Challenge* CreateChallenge(INT32 k1, + INT32 k2, + BYTE* k3, + BYTE* k4); + +struct Challenge* CreateChallengeFromPool(INT32 k1, + INT32 k2, + BYTE* k3, + BYTE* k4, + rm_malloc_func_ptr fpMalloc, + void* pMemoryPool); + +BYTE* ChallengeResponse1(BYTE* k1, BYTE* k2, + INT32 k3, INT32 k4, + struct Challenge* ch); +BYTE* ChallengeResponse2(BYTE* k1, BYTE* k2, + INT32 k3, INT32 k4, + struct Challenge* ch); + + + +/* + * The new RTSP Challenge structure and methods + */ +struct RealChallenge { + BYTE challenge[33]; + BYTE response[41]; + BYTE trap[9]; +}; + + +struct RealChallenge* CreateRealChallenge(); +struct RealChallenge* CreateRealChallengeFromPool(rm_malloc_func_ptr fpMalloc, + void* pMemoryPool); +BYTE* RealChallengeResponse1(BYTE* k1, BYTE* k2, + INT32 k3, INT32 k4, + struct RealChallenge* rch); +BYTE* RealChallengeResponse2(BYTE* k1, BYTE* k2, + INT32 k3, INT32 k4, + struct RealChallenge* rch); + + +void CalcCompanyIDKey(const char* companyID, + const char* starttime, + const char* guid, + const char* challenge, + const char* copyright, + UCHAR* outputKey); + +INT32 BinTo64(const BYTE* pInBuf, INT32 len, char* pOutBuf); + + +/* Support constants and values */ +extern const INT32 G2_BETA_EXPIRATION; + +extern const INT32 RC_MAGIC1; +extern const INT32 RC_MAGIC2; +extern const INT32 RC_MAGIC3; +extern const INT32 RC_MAGIC4; + +extern const unsigned char pRCMagic1[]; +extern const unsigned char pRCMagic2[]; + + +// This UUID was added in the 5.0 player to allow us to identify +// players from Progressive Networks. Other companies licensing this +// code must be assigned a different UUID. +#define HX_COMPANY_ID "92c4d14a-fa51-4bcb-8a67-7ac286f0ff7e" +#define HX_COMPANY_ID_KEY_SIZE 16 + + +extern const unsigned char HX_MAGIC_TXT_1[]; +extern const char pMagic2[]; + + + +#endif /*_CHALLENGE_H_*/ diff --git a/audio_codec/libcook/codec_defines.h b/audio_codec/libcook/codec_defines.h new file mode 100644 index 0000000..c143a75 --- a/dev/null +++ b/audio_codec/libcook/codec_defines.h @@ -0,0 +1,93 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: codec_defines.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef CODEC_DEFINES_H +#define CODEC_DEFINES_H + +/* Audio codec defines */ +#define RA_FORMAT_ID 0x2E7261FD /* RealAudio Stream */ +#define RA_NO_INTERLEAVER 0x496E7430 /* 'Int0' (no interleaver) */ +#define RA_INTERLEAVER_SIPR 0x73697072 /* interleaver used for SIPRO codec ("sipr") */ +#define RA_INTERLEAVER_GENR 0x67656E72 /* interleaver used for ra8lbr and ra8hbr codecs ("genr") */ +#define RA_INTERLEAVER_VBRS 0x76627273 /* Simple VBR interleaver ("vbrs") */ +#define RA_INTERLEAVER_VBRF 0x76627266 /* Simple VBR interleaver (with possibly fragmenting) ("vbrf") */ + +/* Video codec defines */ +#define HX_MEDIA_AUDIO 0x4155444FL /* 'AUDO' */ +#define HX_MEDIA_VIDEO 0x5649444FL /* 'VIDO' */ + +#define HX_RVTRVIDEO_ID 0x52565452 /* 'RVTR' (for rv20 codec) */ +#define HX_RVTR_RV30_ID 0x52565432 /* 'RVT2' (for rv30 codec) */ +#define HX_RV20VIDEO_ID 0x52563230 /* 'RV20' */ +#define HX_RV30VIDEO_ID 0x52563330 /* 'RV30' */ +#define HX_RV40VIDEO_ID 0x52563430 /* 'RV40' */ +#define HX_RVG2VIDEO_ID 0x52564732 /* 'RVG2' (raw TCK format) */ +#define HX_RV89COMBO_ID 0x54524F4D /* 'TROM' (raw TCK format) */ + +#define RV20_MAJOR_BITSTREAM_VERSION 2 + +#define RV30_MAJOR_BITSTREAM_VERSION 3 +#define RV30_BITSTREAM_VERSION 2 +#define RV30_PRODUCT_RELEASE 0 +#define RV30_FRONTEND_VERSION 2 + +#define RV40_MAJOR_BITSTREAM_VERSION 4 +#define RV40_BITSTREAM_VERSION 0 +#define RV40_PRODUCT_RELEASE 2 +#define RV40_FRONTEND_VERSION 0 + +#define RAW_BITSTREAM_MINOR_VERSION 128 + +#define RAW_RVG2_MAJOR_VERSION 2 +#define RAW_RVG2_BITSTREAM_VERSION RAW_BITSTREAM_MINOR_VERSION +#define RAW_RVG2_PRODUCT_RELEASE 0 +#define RAW_RVG2_FRONTEND_VERSION 0 + +#define RAW_RV8_MAJOR_VERSION 3 +#define RAW_RV8_BITSTREAM_VERSION RAW_BITSTREAM_MINOR_VERSION +#define RAW_RV8_PRODUCT_RELEASE 0 +#define RAW_RV8_FRONTEND_VERSION 0 + +#define RAW_RV9_MAJOR_VERSION 4 +#define RAW_RV9_BITSTREAM_VERSION RAW_BITSTREAM_MINOR_VERSION +#define RAW_RV9_PRODUCT_RELEASE 0 +#define RAW_RV9_FRONTEND_VERSION 0 + +#define WIDTHBYTES(i) ((unsigned long)((i+31)&(~31))/8) /* ULONG aligned ! */ +#define T_YUV420 10 + +#endif /* #ifndef CODEC_DEFINES_H */ diff --git a/audio_codec/libcook/coder.h b/audio_codec/libcook/coder.h new file mode 100644 index 0000000..5d6ae27 --- a/dev/null +++ b/audio_codec/libcook/coder.h @@ -0,0 +1,287 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: coder.h,v 1.9 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * coder.h - private, implementation-specific header file + **************************************************************************************/ + +#ifndef _CODER_H +#define _CODER_H + +#include "gecko2codec.h" /* contains public API */ +#include "statname.h" /* do name-mangling for static linking */ + +#if defined _WIN32 && defined _DEBUG && defined FORTIFY +#include "fortify.h" +#endif + +#define CODINGDELAY 2 /* frames of coding delay */ + +#ifndef ASSERT +#if defined (_WIN32) && defined (_M_IX86) && (defined (_DEBUG) || defined (REL_ENABLE_ASSERTS)) +#define ASSERT(x) if (!(x)) __asm int 3; +#else +#define ASSERT(x) /* do nothing */ +#endif +#endif + +#ifndef MAX +#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef MIN +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#endif + +/* do y <<= n, clipping to range [-2^30, 2^30 - 1] (i.e. output has one guard bit) */ +#define CLIP_2N_SHIFT(y, n) { \ + int sign = (y) >> 31; \ + if (sign != (y) >> (30 - (n))) { \ + (y) = sign ^ (0x3fffffff); \ + } else { \ + (y) = (y) << (n); \ + } \ +} + +#define FBITS_OUT_DQ 12 /* number of fraction bits in output of dequant */ +#define FBITS_LOST_IMLT 7 /* number of fraction bits lost (>> out) in IMLT */ +#define GBITS_IN_IMLT 4 /* min guard bits in for IMLT */ + +/* coder */ +#define NBINS 20 /* transform bins per region */ +#define MAXCATZNS (1 << 7) +#define NCPLBANDS 20 + +#define MAXNCHAN 2 +#define MAXNSAMP 1024 +#define MAXREGNS (MAXNSAMP/NBINS) + +#define MAXDECBUF 4 + +/* composite mlt */ +#define MAXCSAMP (2*MAXNSAMP) +#define MAXCREGN (2*MAXREGNS) +#define NUM_MLT_SIZES 3 +#define MAXNMLT 1024 +#define MAXCPLQBITS 6 + +/* gain control */ +#define NPARTS 8 /* parts per half-window */ +#define MAXNATS 8 +#define LOCBITS 3 /* must be log2(NPARTS)! */ +#define GAINBITS 4 /* must match clamping limits! */ +#define GAINMAX 4 +#define GAINMIN (-7) /* clamps to GAINMIN<=gain<=GAINMAX */ +#define GAINDIF (GAINMAX - GAINMIN) +#define CODE2GAIN(g) ((g) + GAINMIN) + +#define NUM_POWTABLES 13 /* number of distinct tables for power envelope coding */ +#define MAX_HUFF_BITS 16 /* max bits in any Huffman codeword (important - make sure this is true!) */ + +/* + * Random bit generator, using a 32-bit linear feedback shift register. + * Primitive polynomial is x^32 + x^7 + x^5 + x^3 + x^2 + x^1 + x^0. + * lfsr = state variable + * + * Update step: + * sign = (lfsr >> 31); + * lfsr = (lfsr << 1) ^ (sign & FEEDBACK); + */ +#define FEEDBACK ((1<<7)|(1<<5)|(1<<3)|(1<<2)|(1<<1)|(1<<0)) + +typedef struct _HuffInfo { + int maxBits; + unsigned char count[16]; /* number of codes at this length */ + int offset; +} HuffInfo; + +/* bitstream info */ +typedef struct _BitStreamInfo { + unsigned char *buf; + int off; + int key; +} BitStreamInfo; + +/* gain control info */ +typedef struct _GAINC { + short nats; /* number of attacks, [0..8]*/ + short loc[MAXNATS]; /* location of attack, [0..7] */ + short gain[MAXNATS]; /* gain code, [-7..8] */ + short maxExGain; /* max gain after expansion */ +} GAINC; + +/* buffers for decoding and reconstructing transform coefficients */ +typedef struct _DecBufs { + int decmlt[MAXNCHAN][MAXNSAMP]; + int overlap[MAXNCHAN][MAXNSAMP]; + + /* Categorize() */ + int maxcat[MAXCREGN]; + int mincat[MAXCREGN]; + int changes[2 * MAXCATZNS]; /* grows from middle outward */ + int maxheap[MAXCREGN + 1]; /* upheap sentinel */ + int minheap[MAXCREGN + 1]; /* upheap sentinel */ + + /* DecodeMLT() */ + int rmsIndex[MAXCREGN]; /* RMS power quant index */ + int catbuf[MAXCREGN]; + + /* JointDecodeMLT() */ + int cplindex[NCPLBANDS]; +} DecBufs; + +typedef struct _ { + short adts_hi; + short adts_lo; + short lostflag; + short jointflag; + short nChannels; + short nSamples; + short sampRate; + short xformIdx; + short gbMin[MAXNCHAN]; //2 + short xbits[MAXNCHAN][2]; //4 + GAINC dgainc[MAXNCHAN][CODINGDELAY]; //18*2*2=72 + short exgain[2 * NPARTS + 1]; + int decmlt[MAXNCHAN][MAXNSAMP]; + int (*overlap)[MAXNCHAN][MAXNSAMP]; +} DecodeInfo; + +typedef struct _Gecko2Info { + /* general codec params */ + int nRegions; + int nFrameBits; + int sampRate; + int cplStart; + int cplQbits; + int rateBits; + int cRegions; + int nCatzns; + int jointStereo; + + /* dither for dequant */ + int lfsr[MAXNCHAN]; + + /* transform info */ + int rateCode; + int rmsMax[MAXNCHAN]; + + /* bitstream info */ + BitStreamInfo bsi; + + short lostflag; + short nChannels; + short nSamples; + short xformIdx; + short gbMin[MAXNCHAN]; + short xbits[MAXNCHAN][2]; + + /* gain control info */ + GAINC dgainc[MAXNCHAN][CODINGDELAY]; + + /* data buffers */ + DecBufs db; + + /* decode info management */ + int rd; + int wr; + DecodeInfo block[4]; +} Gecko2Info; + +/* memory allocation */ +Gecko2Info *AllocateBuffers(void); +void FreeBuffers(Gecko2Info *gi); + +/* bitstream decoding */ +int DecodeSideInfo(Gecko2Info *gi, unsigned char *buf, int availbits, int ch); +unsigned int GetBits(BitStreamInfo *bsi, int nBits, int advanceFlag); +void AdvanceBitstream(BitStreamInfo *bsi, int nBits); + +/* huffman decoding */ +int DecodeHuffmanScalar(const unsigned short *huffTab, const HuffInfo *huffTabInfo, int bitBuf, int *val); + +/* gain control parameter decoding */ +int DecodeGainInfo(Gecko2Info *gi, GAINC *gainc, int availbits); +void CopyGainInfo(GAINC *gaincDest, GAINC *gaincSource); + +/* joint stereo parameter decoding */ +void JointDecodeMLT(Gecko2Info *gi, int *mltleft, int *mltrght); +int DecodeCoupleInfo(Gecko2Info *gi, int availbits); + +/* transform coefficient decoding */ +int DecodeEnvelope(Gecko2Info *gi, int availbits, int ch); +void CategorizeAndExpand(Gecko2Info *gi, int availbits); +int DecodeTransform(Gecko2Info *gi, int *mlt, int availbits, int *lfsrInit, int ch); + +/* inverse transform */ +void IMLTNoWindow(int tabidx, int *mlt, int gb); +void R4FFT(int tabidx, int *x); + +/* synthesis window, gain control, overlap-add */ +void DecWindowWithAttacks(int tabidx, int *buf1, int *overlap, short *pcm1, int nChans, GAINC *gainc0, GAINC *gainc1, short fbits[2]); +void DecWindowNoAttacks(int tabidx, int *buf1, int *overlap, short *pcm1, int nChans); + +/* bitpack.c */ +extern const unsigned char pkkey[4]; + +/* hufftabs.c */ +#define HUFFTAB_COUPLE_OFFSET 2 + +extern const HuffInfo huffTabCoupleInfo[5]; +extern const unsigned short huffTabCouple[119]; +extern const HuffInfo huffTabPowerInfo[13]; +extern const unsigned short huffTabPower[312]; +extern const HuffInfo huffTabVectorInfo[7]; +extern const unsigned short huffTabVector[1276]; + +/* trigtabs.c */ +extern const int nmltTab[3]; +extern const int window[256 + 512 + 1024]; +extern const int windowOffset[3]; +extern const int cos4sin4tab[256 + 512 + 1024]; +extern const int cos4sin4tabOffset[3]; +extern const int cos1sin1tab[514]; +extern const unsigned char bitrevtab[33 + 65 + 129]; +extern const int bitrevtabOffset[3]; +extern const int twidTabEven[4 * 6 + 16 * 6 + 64 * 6]; +extern const int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6]; + +#endif /* _CODER_H */ diff --git a/audio_codec/libcook/cook_codec.h b/audio_codec/libcook/cook_codec.h new file mode 100644 index 0000000..fc59bd6 --- a/dev/null +++ b/audio_codec/libcook/cook_codec.h @@ -0,0 +1,30 @@ +#ifndef COOK_CODEC_HEADERS +#define COOK_CODEC_HEADERS + + +#define SUB_FMT_VALID (1<<1) +#define CHANNEL_VALID (1<<2) +#define SAMPLE_RATE_VALID (1<<3) +#define DATA_WIDTH_VALID (1<<4) + +#define AUDIO_EXTRA_DATA_SIZE (2048*2) + +struct audio_info { + int valid; + int sample_rate; + int channels; + int bitrate; + int codec_id; + int block_align; + int extradata_size; + char extradata[AUDIO_EXTRA_DATA_SIZE]; +}; +#if 0 +typedef enum { + DECODE_INIT_ERR, + DECODE_FATAL_ERR, +} err_code_t; +#endif + +#endif + diff --git a/audio_codec/libcook/cook_decode.c b/audio_codec/libcook/cook_decode.c new file mode 100644 index 0000000..49d18ae --- a/dev/null +++ b/audio_codec/libcook/cook_decode.c @@ -0,0 +1,624 @@ +#include +#include +#include +#include +#include +#include +//#include + +#include "cook_codec.h" +//#include + +#ifndef __MW__ +#include +#else +#include +#endif +#include "cook_decode.h" +#include "rm_parse.h" +#include "ra_depack.h" +#include "ra_decode.h" + + + +/********arm decoder header file **********/ + +#include "../../amadec/adec-armdec-mgt.h" + +#include + +#define LOG_TAG "CookDecoder" +#define libcook_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) + +#define DefaultReadSize 32*1024 +#define DefaultOutBufSize 370*1024 + + +typedef struct { + rm_parser* pParser; + ra_depack* pDepack; + ra_decode* pDecode; + ra_format_info* pRaInfo; + rm_packet* pPacket; + ra_block* pBlock; + rm_stream_header* pHdr; + UINT32 usStreamNum; +} rm_info_t; + +typedef struct { + BYTE *buf; + int buf_len; + int buf_max; + int cousume; + int all_consume; +} cook_IObuf; + +struct frame_info { + int len; + unsigned long offset;/*steam start to here*/ + unsigned long buffered_len;/*data buffer in dsp,pcm datalen*/ + int reversed[1];/*for cache aligned 32 bytes*/ +}; + +static cook_IObuf cook_input; +static cook_IObuf cook_output; + +struct frame_info cur_frame; +static ra_decoder_info_t ra_dec_info ; +static rm_info_t ra_info ; +static char file_header[AUDIO_EXTRA_DATA_SIZE]; +#pragma align_to(64,file_header) +static char *cur_read_ptr = file_header; +static int reset = 0; +static void setsysfs(char * path, char * value) +{ + int fd = -1; + fd = open(path, O_RDWR); + if (fd >= 0) { + write(fd, value, 2); + close(fd); + fd = -1; + } else { + libcook_print("setsysfs: open file failed.\n"); + } +} + +static void rm_error(void* pError, HX_RESULT result, const char* pszMsg) +{ + //dsp_mailbox_send(1,M1B_IRQ7_DECODE_FATAL_ERR, 1, NULL, 0); + //trans_err_code(DECODE_FATAL_ERR); + //property_set("media.amplayer.noaudio", "1"); + setsysfs("/sys/class/audiodsp/codec_fatal_err", "2"); //Fatal error + libcook_print("rm_error pError=0x%08x result=0x%08x msg=%s\n", pError, result, pszMsg); + //while(1); +} + +//static int cook_decode_frame(unsigned char *buf, int maxlen, struct frame_fmt *fmt) +int audio_dec_decode(audio_decoder_operations_t *adec_ops, char *outbuf, int *outlen, char *inbuf, int inlen) +{ + //libcook_print("audio_dec_decode, inlen = %d, cook_input.buf_len = %d\n", inlen, cook_input.buf_len); + HX_RESULT retVal = HXR_OK; + UINT32 ulBytesConsumed = 0; + UINT32 ulTotalConsumed = 0; + UINT32 ulBytesLeft = 0; + UINT32 ulNumSamplesOut = 0; + UINT32 ulMaxSamples = 0; + UINT32 out_data_len = 0; + + //ra_dec_info.input_buf = buf; + //ra_dec_info.input_buffer_size = maxlen; + if (inlen > 0) { + int len = inlen - cook_input.buf_len; + int read_len; + read_len = (inlen > cook_input.buf_max) ? cook_input.buf_max : inlen; + if (len > 0) { + memcpy(cook_input.buf + cook_input.buf_len, + inbuf + cook_input.buf_len, read_len - cook_input.buf_len); + cook_input.buf_len += read_len - cook_input.buf_len; + } + } + //libcook_print("audio_dec_decoder cook_input.buf_len = %d\n", cook_input.buf_len); + while (cook_output.buf_len <= 0) { + retVal = rm_parser_get_packet(ra_info.pParser, &ra_info.pPacket); + if (retVal == HXR_OK) { + //if (ra_info.pPacket->usStream == ra_info.usStreamNum) + { + retVal = ra_depack_add_packet(ra_info.pDepack, ra_info.pPacket); + + } + rm_parser_destroy_packet(ra_info.pParser, &ra_info.pPacket); + } + if (retVal != HXR_OK) { + libcook_print("cook_decode_frame add packet failed\n"); + break; + } + if (cook_input.buf_len <= 2048) { + break; + } + } + + *outlen = 0; + if (cook_output.buf_len > 0) { + memcpy(outbuf, cook_output.buf, cook_output.buf_len); + (*outlen) = cook_output.buf_len; + cook_output.buf_len = 0; + } + + int ret = 0; + //ret = ra_dec_info.decoded_size + cook_input.cousume; + ret = cook_input.cousume; + //libcook_print("ret decoder = %d\n", ret); + cook_input.cousume = 0; + adec_ops->pts = cur_frame.offset; + cur_frame.offset = 0; + return ret; +} +static UINT32 rm_io_read(void* pUserRead, BYTE* pBuf, UINT32 ulBytesToRead) +{ + //memcpy(pBuf,cur_read_ptr,ulBytesToRead); + cur_read_ptr = cur_read_ptr + ulBytesToRead; + if ((unsigned)(cur_read_ptr - file_header) > AUDIO_EXTRA_DATA_SIZE) { + //trans_err_code(DECODE_INIT_ERR); + //property_set("media.amplayer.noaudio", "1"); + setsysfs("/sys/class/audiodsp/codec_fatal_err", "2"); //init err + libcook_print("warning :: cook.read byte exceed the the buffer then sent,%d \n", (unsigned)(cur_read_ptr - file_header)); + //while(1); + cur_read_ptr -= ulBytesToRead; + return 0; + + } + cur_read_ptr -= ulBytesToRead; + memcpy(pBuf, cur_read_ptr, ulBytesToRead); + cur_read_ptr = cur_read_ptr + ulBytesToRead; + return ulBytesToRead; + +} +static void rm_io_seek(void* pUserRead, UINT32 ulOffset, UINT32 ulOrigin) +{ + char * tptr = cur_read_ptr; + if (ulOrigin == HX_SEEK_ORIGIN_CUR) { + cur_read_ptr += ulOffset; + } else if (ulOrigin == HX_SEEK_ORIGIN_SET) { + cur_read_ptr = (char *)pUserRead + ulOffset; + } else if (ulOrigin == HX_SEEK_ORIGIN_END) { + cur_read_ptr = sizeof(file_header) + (char *)pUserRead - ulOffset; + } + if ((unsigned)(cur_read_ptr - file_header) > AUDIO_EXTRA_DATA_SIZE) { + //trans_err_code(DECODE_INIT_ERR); + //property_set("media.amplayer.noaudio", "1"); + setsysfs("/sys/class/audiodsp/codec_fatal_err", "2"); //init err + libcook_print("warning :: cook.seek buffer pos exceed the the buffer then sent,%d \n", (unsigned)(cur_read_ptr - file_header)); + cur_read_ptr = tptr; + //while(1); + } + +} +static unsigned rm_ab_read(void* pUserRead, BYTE* pBuf, UINT32 ulBytesToRead) +{ + int ret = 0; + //libcook_print("rm_ab_read, ulBytesToRead = %d\n", ulBytesToRead); + if (pBuf && ulBytesToRead) { + //libcook_print("enter into copy data, buf_len = %d\n",cook_input.buf_len); + if (cook_input.buf_len >= ulBytesToRead) { //ret = read_buffer(pBuf,ulBytesToRead); + memcpy(pBuf, cook_input.buf, ulBytesToRead); + ret = ulBytesToRead; + cook_input.buf_len -= ret; + //libcook_print("inpoint2 = %d, cook_input.buf_len = %d\n", cook_input.buf, cook_input.buf_len); + memcpy(cook_input.buf, cook_input.buf + ret, cook_input.buf_len); + } else { + libcook_print("rm_ab_read data is not enough \n"); + } + } + cook_input.cousume += ret; + cook_input.all_consume += ret; + return ret; +} +static void rm_ab_seek(void* pUserRead, UINT32 ulOffset, UINT32 ulOrigin) +{ + //libcook_print("rm_ab_seek, buf_len = %d\n",cook_input.buf_len); + int i; + if (ulOrigin == HX_SEEK_ORIGIN_CUR) { + if (ulOffset <= cook_input.buf_len) { + //memcpy(cook_input.buf, cook_input.buf + ulOffset, cook_input.buf_len - ulOffset); + cook_input.buf_len -= ulOffset; + cook_input.cousume += ulOffset; + int i; + BYTE * tmpbuf; + tmpbuf = cook_input.buf + ulOffset; + for (i = 0; i < cook_input.buf_len; i++) { + cook_input.buf[i] = tmpbuf[i]; + } + } else { + libcook_print("rm_ab_seek failed\n"); + } +#if 0 + for (i = 0; i < ulOffset; i++) { + ; //read_byte(); + } +#endif + } else if (/*ulOrigin == HX_SEEK_ORIGIN_SET*/0) { + int offbuf = ulOffset - cook_input.all_consume; + if (offbuf > 0) { + if (cook_input.buf_len > offbuf) { + memcpy(cook_input.buf, cook_input.buf + offbuf, + cook_input.buf_len - offbuf); + cook_input.buf_len -= offbuf; + cook_input.cousume += offbuf; + cook_input.all_consume += offbuf; + } else { + libcook_print("data is not enough\n"); + } + } + } +} +static HX_RESULT _ra_block_available(void* pAvail, UINT32 ulSubStream, ra_block* pBlock) +{ + //libcook_print("[%s,%d] enter into _ra_block_available\n", __FUNCTION__,__LINE__); + int len = 0, wlen; + int offset = 0; + HX_RESULT retVal = HXR_OK; + UINT32 ulBytesConsumed = 0; + UINT32 ulTotalConsumed = 0; + UINT32 ulBytesLeft = 0; + UINT32 ulNumSamplesOut = 0; + UINT32 ulMaxSamples = 0; + UINT32 out_data_len = 0; + UINT32 delay_pts = 0; + //BYTE* buf = ra_dec_info.input_buf;//passed from the audio dec thread + rm_info_t* pInfo = (rm_info_t*) pAvail; + if (pAvail && pBlock && pBlock->pData && pBlock->ulDataLen) { + ulBytesLeft = pBlock->ulDataLen; + if (retVal == HXR_OK && ulBytesLeft) { + retVal = ra_decode_decode(ra_dec_info.pDecode, + pBlock->pData + ulTotalConsumed, + pBlock->ulDataLen - ulTotalConsumed, + &ulBytesConsumed, + (UINT16*)ra_dec_info.pOutBuf, + ra_dec_info.ulOutBufSize / 2, + &ulNumSamplesOut, + pBlock->ulDataFlags, + pBlock->ulTimestamp * 90 + 1); + + if (retVal == HXR_OK) { + if (ulBytesConsumed) { + ulBytesLeft -= ulBytesConsumed; + ulTotalConsumed += ulBytesConsumed; + } + if (ulNumSamplesOut) { + len += ulNumSamplesOut * 2; + } + } else if (retVal == HXR_NO_DATA) { + libcook_print("ra decode not enough data.\n"); + return 0; + } else { + libcook_print("ra decode error.\n"); + return 0; + } + } + //ra_dec_info.decoded_size = out_data_len; + ra_dec_info.decoded_size = ulBytesConsumed; + } +#if 0 + FILE * fp1 = fopen("/data/audio_out", "a+"); + if (fp1) { + int flen = fwrite((char *)ra_dec_info.pOutBuf, 1, len, fp1); + libcook_print("flen = %d---outlen=%d ", flen, len); + fclose(fp1); + } else { + libcook_print("could not open file:audio_out"); + } +#endif + cur_frame.offset = pBlock->ulTimestamp * 90 + 1; + cur_frame.buffered_len = 0; + cur_frame.len = 0; + delay_pts = (ulNumSamplesOut / ra_info.pRaInfo->usNumChannels) * 90 / (ra_info.pRaInfo->ulSampleRate / 1000); + cur_frame.offset += delay_pts; + //refresh_swap_register1(cur_frame.offset+delay_pts, len); + //dsp_mailbox_send(1,M1B_IRQ4_DECODE_FINISH_FRAME,wlen,&cur_frame,sizeof(cur_frame)); +date_trans: + //wlen = write_buffer(ra_dec_info.pOutBuf + offset, len); + memcpy(cook_output.buf + cook_output.buf_len, ra_dec_info.pOutBuf, len); + cook_output.buf_len += len; + len = 0; +#if 0 + wlen = memcpy(cook_output.buf + cook_output.buf_len, ra_dec_info.pOutBuf + offset, len); + if (wlen > 0) { + offset += wlen; + cook_output.buf_len += wlen; + len -= wlen; + } + if (len > 0) { + goto date_trans; + } +#endif + //dsp_mailbox_send(1,M1B_IRQ4_DECODE_FINISH_FRAME,wlen,&cur_frame,sizeof(cur_frame)); + return retVal; +} +//static int cook_decode_init(struct frame_fmt * fmt) +int audio_dec_init(audio_decoder_operations_t *adec_ops) +{ + HX_RESULT retVal = HXR_OK; + unsigned ulNumStreams = 0; + rm_parser* pParser = HXNULL; + rm_stream_header *pHdr = HXNULL; + ra_depack *pRADpack = HXNULL; + ra_format_info *pRAInfo = HXNULL; + unsigned ulCodec4CC = 0; + int i; + struct audio_info real_data; + //libcook_print("\n\n[%s]BuildDate--%s BuildTime--%s", __FUNCTION__, __DATE__, __TIME__); + real_data.bitrate = adec_ops->bps; + real_data.channels = adec_ops->channels; + real_data.extradata_size = adec_ops->extradata_size; + real_data.sample_rate = adec_ops->samplerate; + + adec_ops->nInBufSize = DefaultReadSize; + adec_ops->nOutBufSize = DefaultOutBufSize; + + memset(real_data.extradata, 0, AUDIO_EXTRA_DATA_SIZE); + libcook_print("%d,%d\n", real_data.extradata_size, adec_ops->extradata_size); + for (i = 0; i < real_data.extradata_size; i++) { + real_data.extradata[i] = adec_ops->extradata[i]; + } + + + libcook_print("cook audioinfo four data [0x%x], [0x%x],[0x%x],[0x%x],[0x%x],[0x%x],[0x%x],[0x%x],\n", real_data.extradata[0], \ + real_data.extradata[1], real_data.extradata[2], real_data.extradata[3], \ + real_data.extradata[4], real_data.extradata[5], real_data.extradata[6], real_data.extradata[7]); + + memcpy(file_header, real_data.extradata, AUDIO_EXTRA_DATA_SIZE); + cur_frame.offset = 0; + if (cook_input.buf == NULL) { + cook_input.buf = (BYTE *)malloc(DefaultReadSize * sizeof(BYTE)); + if (cook_input.buf != NULL) { + memset(cook_input.buf, 0, DefaultReadSize); + cook_input.buf_len = 0; + cook_input.buf_max = DefaultReadSize; + cook_input.cousume = 0; + cook_input.all_consume = 0; + } else { + libcook_print("inbuf malloc failed\n"); + return -1; + } + } + if (cook_output.buf == NULL) { + cook_output.buf = (BYTE *)malloc(DefaultOutBufSize * sizeof(BYTE)); + if (cook_output.buf != NULL) { + memset(cook_output.buf, 0, DefaultOutBufSize); + cook_output.buf_len = 0; + cook_output.buf_max = DefaultOutBufSize; + cook_output.cousume = 0; + } else { + libcook_print("outbuf malloc failed\n"); + return -1; + } + } + + if (cook_input.buf == NULL || cook_output.buf == NULL) { + libcook_print("malloc buf failed\n"); + return -1; + + } + /**********wait for implement*******/ + //dsp_cache_wback((unsigned)file_header,AUDIO_EXTRA_DATA_SIZE); + + + /*clear up the decoder structure */ + + memset(&ra_dec_info, 0, sizeof(ra_decoder_info_t)); + memset(&ra_info, 0, sizeof(rm_info_t)); + cur_read_ptr = file_header; + + /* Create the parser struct */ + pParser = rm_parser_create(NULL, rm_error); + if (!pParser) { + libcook_print("[cook decode],create parser failed\n"); + return -1; + } + /* Set the stream into the parser */ +#if 0 + for (i = 0; i < AUDIO_EXTRA_DATA_SIZE / 8; i++) { + printk("%d header data [0x%x],[0x%x],[0x%x],[0x%x],[0x%x],[0x%x],[0x%x],[0x%x]\n\t", i, \ + file_header[i * 8 + 0], file_header[i * 8 + 1], file_header[i * 8 + 2], file_header[i * 8 + 3], \ + file_header[i * 8 + 4], file_header[i * 8 + 5], file_header[i * 8 + 6], file_header[i * 8 + 7]); + } +#endif + retVal = rm_parser_init_io(pParser, file_header, rm_io_read, rm_io_seek); + if (retVal != HXR_OK) { + libcook_print("[cook decode], parser init IO failed\n"); + rm_parser_destroy(&pParser); + return -1; + } + /* Read all the headers at the beginning of the .rm file */ + retVal = rm_parser_read_headers(pParser); + if (retVal != HXR_OK) { + libcook_print("[cook decode], parser read header failed\n"); + rm_parser_destroy(&pParser); + return -1; + } + libcook_print(" rm_parser_read_headers finished \n"); + + /* Get the number of streams */ + ulNumStreams = rm_parser_get_num_streams(pParser); + if (ulNumStreams == 0) { + libcook_print("[cook decode], no stream found\n"); + rm_parser_destroy(&pParser); + return -1; + } + for (i = 0; i < ulNumStreams && retVal == HXR_OK; i++) { + retVal = rm_parser_get_stream_header(pParser, i, &pHdr); + if (retVal == HXR_OK) { + if (rm_stream_is_realaudio(pHdr)) { + /* Create the RealAudio depacketizer */ + pRADpack = ra_depack_create((void*)pParser, _ra_block_available, NULL, rm_error); + if (!pRADpack) { + libcook_print("[cook decode], create depack failed\n"); + rm_parser_destroy_stream_header(pParser, &pHdr); + rm_parser_destroy(&pParser); + return -1; + } + /* Initialize the RA depacketizer with the stream header */ + retVal = ra_depack_init(pRADpack, pHdr); + if (retVal != HXR_OK) { + libcook_print("[cook decode],init depack failed\n"); + ra_depack_destroy(&pRADpack); + rm_parser_destroy_stream_header(pParser, &pHdr); + rm_parser_destroy(&pParser); + return -1; + } + /* + * Get the codec 4CC of substream 0. We + * arbitrarily choose substream 0 here. + */ + ulCodec4CC = ra_depack_get_codec_4cc(pRADpack, 0); + if (ulCodec4CC == 0x636F6F6B) { /* cook */ + retVal = ra_depack_get_codec_init_info(pRADpack, 0, &pRAInfo); + ra_info.pRaInfo = pRAInfo; + + } else if ((ulCodec4CC == 0x72616163) || (ulCodec4CC == 0x72616370)) + /* raac racp */ + { + retVal = ra_depack_get_codec_init_info(pRADpack, 0, &pRAInfo); + ra_info.pRaInfo = pRAInfo; + } + ra_info.pDepack = pRADpack; + + } + rm_parser_destroy_stream_header(pParser, &pHdr); + } + libcook_print("cook rm_parser_get_stream_header finished\n"); + + } + /* Set the stream into the parser */ + //retVal = rm_parser_init_io(pParser, 0, rm_ab_read, rm_ab_seek); + retVal = rm_parser_init_io(pParser, 0, rm_ab_read, rm_ab_seek); + if (retVal != HXR_OK) { + if (pRADpack) { + ra_depack_destroy(&pRADpack); + ra_info.pDepack = NULL; + } + if (pParser) { + rm_parser_destroy(&pParser); + } + libcook_print("[cook decode],rm_parser_init_io failed,errid %d\n", retVal); + return -1; + } + ra_info.pParser = pParser; + rm_parser_set_stream(&pParser, 0); + rm_parser_file_seek(pParser, 0); + ra_dec_info.pDecode = ra_decode_create(HXNULL, rm_error); + if (retVal != HXR_OK) { + if (pRADpack) { + ra_depack_destroy(&pRADpack); + ra_info.pDepack = NULL; + } + if (pParser) { + rm_parser_destroy(&pParser); + } + libcook_print("[cook decode],ra_decode_create failed,errid %d\n", retVal); + return -1; + } + ra_dec_info.ulStatus = RADEC_PLAY; + ra_dec_info.ulTotalSample = 0; + ra_dec_info.ulTotalSamplePlayed = 0; + UINT32 ulMaxSamples = 0; + if (ra_dec_info.pOutBuf) { + ra_decode_reset(ra_dec_info.pDecode, + (UINT16*)ra_dec_info.pOutBuf, + ra_dec_info.ulOutBufSize / 2, + &ulMaxSamples); + } + retVal = ra_decode_init(ra_dec_info.pDecode, ulCodec4CC, HXNULL, 0, ra_info.pRaInfo); + if (retVal != HXR_OK) { + if (pRADpack) { + ra_depack_destroy(&pRADpack); + ra_info.pDepack = NULL; + } + if (pParser) { + rm_parser_destroy(&pParser); + } + libcook_print("[cook decode],ra_decode_init failed,errid %d\n", retVal); + return -1; + } + if (ra_dec_info.pOutBuf) { + ra_decode_getmaxsize(ra_dec_info.pDecode, &ulMaxSamples); + if (ulMaxSamples * sizeof(UINT16) > ra_dec_info.ulOutBufSize) { + free(ra_dec_info.pOutBuf); + ra_dec_info.ulOutBufSize = ulMaxSamples * sizeof(UINT16); + ra_dec_info.pOutBuf = (BYTE*) malloc(ra_dec_info.ulOutBufSize); + } + } else { + ra_decode_getmaxsize(ra_dec_info.pDecode, &ulMaxSamples); + ra_dec_info.ulOutBufSize = ulMaxSamples * sizeof(UINT16); + if (ra_dec_info.ulOutBufSize > 0) { + ra_dec_info.pOutBuf = (BYTE*) malloc(ra_dec_info.ulOutBufSize); + if (ra_dec_info.pOutBuf == NULL) { + if (pRADpack) { + ra_depack_destroy(&pRADpack); + ra_info.pDepack = NULL; + } + if (pParser) { + rm_parser_destroy(&pParser); + ra_info.pParser = NULL; + } + libcook_print("[cook decode],dsp malloc failed,request %s bytes\n", ra_dec_info.ulOutBufSize); + return -1; + } + } + + } + + return 0; +} + +static void ra_depack_cleanup(void) +{ + /* Destroy the codec init info */ + if (ra_info.pRaInfo) { + ra_depack_destroy_codec_init_info(ra_info.pDepack, &ra_info.pRaInfo); + } + /* Destroy the depacketizer */ + if (ra_info.pDepack) { + ra_depack_destroy(&ra_info.pDepack); + } + /* If we have a packet, destroy it */ + if (ra_info.pPacket) { + rm_parser_destroy_packet(ra_info.pParser, &ra_info.pPacket); + } + if (ra_info.pParser) { + rm_parser_destroy(&ra_info.pParser); + } + memset(&ra_info, 0, sizeof(ra_info)); +} + + +//static int cook_decode_release(void) +int audio_dec_release(audio_decoder_operations_t *adec_ops) +{ + if (cook_input.buf != NULL) { + free(cook_input.buf); + cook_input.buf = NULL; + } + if (cook_output.buf != NULL) { + free(cook_output.buf); + cook_output.buf = NULL; + } + + ra_decode_destroy(ra_dec_info.pDecode); + ra_dec_info.pDecode = HXNULL; + if (ra_dec_info.pOutBuf) { + free(ra_dec_info.pOutBuf); + ra_dec_info.pOutBuf = HXNULL; + } + ra_dec_info.ulStatus = RADEC_IDLE; + ra_depack_cleanup(); + libcook_print(" cook decoder release \n"); + return 0; +} + +int audio_dec_getinfo(audio_decoder_operations_t *adec_ops, void *pAudioInfo) +{ + return 0; +} + + diff --git a/audio_codec/libcook/cook_decode.h b/audio_codec/libcook/cook_decode.h new file mode 100644 index 0000000..693a3b7 --- a/dev/null +++ b/audio_codec/libcook/cook_decode.h @@ -0,0 +1,35 @@ +#ifndef _AUDIO_CODEC_RA_H +#define _AUDIO_CODEC_RA_H + +#include "rm_parse.h" +#include "ra_depack.h" +#include "ra_decode.h" + + +typedef struct { + ra_decode* pDecode; + ra_format_info* pRaInfo; + BYTE* pOutBuf; + UINT32 ulOutBufSize; + UINT32 ulTotalSample; + UINT32 ulTotalSamplePlayed; + UINT32 ulStatus; + UINT32 input_buffer_size; + BYTE* input_buf; + UINT32 decoded_size; + +} ra_decoder_info_t; + +typedef enum { + DECODE_INIT_ERR, + DECODE_FATAL_ERR, +} error_code_t; + + +#define RADEC_IDLE 0 +#define RADEC_INIT 1 +#define RADEC_PLAY 2 +#define RADEC_PAUSE 3 + +#define USE_C_DECODER +#endif diff --git a/audio_codec/libcook/ga_config.h b/audio_codec/libcook/ga_config.h new file mode 100644 index 0000000..8e86923 --- a/dev/null +++ b/audio_codec/libcook/ga_config.h @@ -0,0 +1,86 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ga_config.h,v 1.1.1.1.2.1 2005/05/04 18:21:58 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/* parse an MPEG-4 general audio specific config structure from a bitstream */ + +#ifndef GA_CONFIG_H +#define GA_CONFIG_H + +#include "helix_types.h" +#include "helix_result.h" +#include "aac_bitstream.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + typedef struct ga_config_data_struct { + UINT32 audioObjectType; + UINT32 samplingFrequency; + UINT32 extensionSamplingFrequency; + UINT32 frameLength; + UINT32 coreCoderDelay; + UINT32 numChannels; + UINT32 numFrontChannels; + UINT32 numSideChannels; + UINT32 numBackChannels; + UINT32 numFrontElements; + UINT32 numSideElements; + UINT32 numBackElements; + UINT32 numLfeElements; + UINT32 numAssocElements; + UINT32 numValidCCElements; + HXBOOL bSBR; + } ga_config_data; + + enum AudioObjectType { + AACMAIN = 1, + AACLC = 2, + AACSSR = 3, + AACLTP = 4, + AACSBR = 5, + AACSCALABLE = 6, + TWINVQ = 7 + }; + + UINT32 ga_config_get_data(struct BITSTREAM *bs, ga_config_data *data); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef GA_CONFIG_H */ diff --git a/audio_codec/libcook/gecko2codec.c b/audio_codec/libcook/gecko2codec.c new file mode 100644 index 0000000..df5d077 --- a/dev/null +++ b/audio_codec/libcook/gecko2codec.c @@ -0,0 +1,833 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: gecko2codec.c,v 1.8 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * gecko2codec.c - public C API for Gecko2 decoder + **************************************************************************************/ + +#include +#include +#include +#include "coder.h" +//#include "includes.h" +//#include +//#include +#include "cook_decode.h" + +#ifndef USE_C_DECODER +//#define ENABLE_DUMP +//#define DBG_AMRISC +#endif +//#include + +#ifdef ENABLE_DUMP +#define DUMP_GAIN 0x0001 +#define DUMP_CPL 0x0002 +#define DUMP_ENV 0x0004 +#define DUMP_HUFF 0x0008 +#define DUMP_QUANT 0x0010 +#define DUMP_DECODE_INFO 0x0020 +unsigned int DumpMask = 0; +extern const int cplband[MAXREGNS]; +#endif + +FILE *pDumpFile = NULL; +unsigned int FrameCount = 0; + +#ifdef DBG_AMRISC + +// copy from ra.h + +#define MAXNCHAN 2 +#define NPARTS 8 +#define MAXNATS 8 +#define MAXBUF 4 + +/*********************************** variables in lmem16 ***************************/ +#define L_DECODEINFO 0 +#define ADTSHI_OFFSET 0 +#define ADTSLO_OFFSET 1 +#define LOSTFLAG_OFFSET 2 +#define NCHANNELS_OFFSET 3 +#define NSAMPLES_OFFSET 4 +#define SAMPLERATE_OFFSET 5 +#define XFORMIDX_OFFSET 6 +#define GBMIN_OFFSET 7 +//[MAXNCHAN] +#define XBITS_OFFSET 9 +//[MAXNCHAN][2] +#define DGAINC_OFFSET 13 +//[MAXNCHAN][CODINGDELAY]*sizeof(L_GAINC) = 2*2*18 = 72 +#define NATS_OFFSET 0 +#define LOC_OFFSET 1 +//MAXNATS +#define GAIN_OFFSET 9 +//MAXNATS +#define MAXEXGAIN_OFFSET 17 +#define EXGAIN_OFFSET 85 +// 17 +//13+18*4+17 = 102 +#define L_BITREV 128 +//129 + +/*********************************** variables in lmem24 ***************************/ + +#define L_DECMLT 0x400 +#define L_COS4SIN4 0x800 +#define L_COS1SIN1 0x800 +#define L_TWIDTAB 0x800 + +#define L_DECMLT_W 0x400 +//1024 +#define L_OVERLAP_W 0x800 +//256 +#define L_WINDOW 0xa00 +//256 +#define L_POW2NTAB 0xb00 +//128 +#define L_DECODEINFO_SWAP 0xb80 +//11+18*4+17 = 100 + +/*********************************** variables in sdram ***************************/ + +#define M_DECODE_INFO 0 +//128*MAXBUF +//PreMultiply +#define M_DECMLT (M_DECODE_INFO+128*MAXBUF) +//1024*2*MAXBUF +#define M_OVERLAP (M_DECMLT+(1024*2*MAXBUF)*3/2) +//1024*2 + +/*********************************** table in sdram ***************************/ + +//PreMultiply +#define M_COS4SIN4_1024 (M_OVERLAP+(1024*2)*3/2) +#define M_COS4SIN4_512 (M_COS4SIN4_1024+1024*3/2) +#define M_COS4SIN4_256 (M_COS4SIN4_512+512*3/2) + +//BitReverse +#define M_BITREV_1024 (M_COS4SIN4_256+256*3/2) +//132 +#define M_BITREV_512 (M_BITREV_1024+132) +//68 +#define M_BITREV_256 (M_BITREV_512+68) +//36 + +//PostMultiply +#define M_COS1SIN1 (M_BITREV_256+36) + +//R4FFT +#define M_TWIDTABEVEN (M_COS1SIN1+(514+2)*3/2) +//4*6 +//16*6 +//64*6 +#define M_TWIDTABODD (M_TWIDTABEVEN+((4+16+64)*6)*3/2) +//8*6 +//32*6 +//128*6 + +//InterpolatePCM & InterpolateOverlap +#define M_POW2NTAB (M_TWIDTABODD+((8+32+128)*6)*3/2) +//128 +#define M_WINDOWS_1024 (M_POW2NTAB+128*3/2) +//1024 +#define M_WINDOWS_512 (M_WINDOWS_1024+1024*3/2) +//512 +#define M_WINDOWS_256 (M_WINDOWS_512+512*3/2) +//256 + +//PCM swap +#define M_PCM_SWAP (M_WINDOWS_256+256*3/2) +//2048 + +#define M_END (M_PCM_SWAP+2048) + +// copy from debug.h + +#define BP_NEW_FRAME 0x0001 +#define BP_DECODE_INFO 0x0002 +#define BP_BEFORE_INVERSE_TRANSFORM 0x0004 +#define BP_PREMULTIPLY 0x0008 +#define BP_BITREVERSE 0x0010 +#define BP_R8FIRSTPASS 0x0020 +#define BP_R4CORE 0x0040 +#define BP_POSTMULTIPLY 0x0080 +#define BP_GAIN_CHANGES 0x0100 +#define BP_PCM 0x0200 +#define BP_OVERLAP 0x0400 +#define BP_DEBUG 0x1000 + +#define DBG_MASK 0x1fff + +#define BP_DUMP_LMEM16 0x8000 +#define BP_DUMP_LMEM24_1 0x4000 +#define BP_DUMP_LMEM24_2 0x2000 + +#define TRACE_CMD 0x51c +#define TRACE_REG0 0x51d +#define TRACE_REG1 0x51e +#define TRACE_REG2 0x51f +#define TRACE_MASK 0x520 + +#define M_LMEM16_DUMP (0x50000>>1) +// 2KB +#define M_LMEM24_1_DUMP (0x50800>>1) +// 3KB +#define M_LMEM24_2_DUMP (0x51400>>1) +// 3KB + +void ra_debug_init(void) +{ + WRITE_MPEG_REG(TRACE_CMD, 0x0); + WRITE_MPEG_REG(TRACE_REG0, 0x0); + WRITE_MPEG_REG(TRACE_REG1, 0x0); + WRITE_MPEG_REG(TRACE_REG2, 0x0); + WRITE_MPEG_REG(TRACE_MASK, BP_NEW_FRAME); +} + +void ra_debug_dump_decmlt(HGecko2Decoder hGecko2Decoder, int gb) +{ + Gecko2Info *gi; + unsigned rd; + unsigned ch, i; + + gi = (Gecko2Info *)hGecko2Decoder; + rd = READ_MPEG_REG(MREG_AUDIO_CTRL_REG5); + ch = READ_MPEG_REG(TRACE_REG0); + read_from_24bit_linear_format((M_LMEM24_1_DUMP << 1), &gi->block[rd].decmlt[ch][0], 1024); + for (i = 0; i < gi->nSamples; i++) { + if (!(i & 7)) { + fprintf(pDumpFile, "\n\t"); + } + if (gb < 8) { + fprintf(pDumpFile, "%06x ", ((gi->block[rd].decmlt[ch][i] + (1 << (7 - gb))) >> (8 - gb)) & 0xffffff); + } else { + fprintf(pDumpFile, "%06x ", (gi->block[rd].decmlt[ch][i] << (gb - 8)) & 0xffffff); + } + } + fprintf(pDumpFile, "\n"); +} + +void ra_debug_dump_overlap(HGecko2Decoder hGecko2Decoder, int gb) +{ + Gecko2Info *gi; + unsigned rd; + unsigned ch, i; + + gi = (Gecko2Info *)hGecko2Decoder; + rd = READ_MPEG_REG(MREG_AUDIO_CTRL_REG5); + ch = READ_MPEG_REG(TRACE_REG0); + read_from_24bit_linear_format((M_OVERLAP << 1), gi->db.overlap[ch], 1024); + for (i = 0; i < gi->nSamples; i++) { + if (!(i & 7)) { + fprintf(pDumpFile, "\n\t"); + } + if (gb < 8) { + fprintf(pDumpFile, "%06x ", ((gi->db.overlap[ch][i] + (1 << (7 - gb))) >> (8 - gb)) & 0xffffff); + } else { + fprintf(pDumpFile, "%06x ", (gi->db.overlap[ch][i] << (gb - 8)) & 0xffffff); + } + } + fprintf(pDumpFile, "\n"); +} + +unsigned dbg_frame = 0; +void ra_debug(HGecko2Decoder hGecko2Decoder) +{ + static short cur_breakpoint; + Gecko2Info *gi; + unsigned rd; + DecodeInfo *di; + unsigned ch, i, j; + short *pcm_output; + + if ((READ_MPEG_REG(TRACE_CMD) & 0x8000) == 0) { + return; + } + + gi = (Gecko2Info *)hGecko2Decoder; + rd = READ_MPEG_REG(MREG_AUDIO_CTRL_REG5); + di = &gi->block[rd]; + ch = READ_MPEG_REG(TRACE_REG0); + + cur_breakpoint = READ_MPEG_REG(TRACE_CMD) & 0x7fff; + if (cur_breakpoint) { + switch (cur_breakpoint) { + case BP_NEW_FRAME: + fprintf(pDumpFile, "\n----- Frame %d in %d-----\n", ++FrameCount, rd); + printf("Frame %d in %d-----\n", FrameCount, rd); + if (FrameCount >= dbg_frame) { + WRITE_MPEG_REG(TRACE_MASK, BP_NEW_FRAME | BP_DECODE_INFO/*|BP_BEFORE_INVERSE_TRANSFORM|BP_PREMULTIPLY|BP_BITREVERSE|BP_R8FIRSTPASS|BP_R4CORE*/ | BP_POSTMULTIPLY | BP_GAIN_CHANGES | BP_DEBUG); + } + + WRITE_MPEG_REG(TRACE_CMD, 0); + break; + case BP_DECODE_INFO: + read_from_16bit_linear_format((M_LMEM16_DUMP << 1), (short*)&gi->block[rd], 128); + fprintf(pDumpFile, "decode info: %d\n", rd); + fprintf(pDumpFile, "\tlost_flag: %d\n", di->lostflag); + fprintf(pDumpFile, "\tChannels: %d\n", di->nChannels); + fprintf(pDumpFile, "\tSamples: %d\n", di->nSamples); + fprintf(pDumpFile, "\txformIdx: %d\n", di->xformIdx); + fprintf(pDumpFile, "\tgbMin: %d %d\n", di->gbMin[0], di->gbMin[1]); + fprintf(pDumpFile, "\tgbOverlap: %d %d\n", READ_MPEG_REG(MREG_AUDIO_CTRL_REG2) & 0xff, READ_MPEG_REG(MREG_AUDIO_CTRL_REG2) >> 8); + fprintf(pDumpFile, "\txbits: %d %d %d %d\n", di->xbits[0][0], di->xbits[0][1], di->xbits[1][0], di->xbits[1][1]); + fprintf(pDumpFile, "\tGain:\n"); + for (ch = 0; ch < di->nChannels; ch++) { + for (j = 0; j < 2; j++) { + fprintf(pDumpFile, "\t\tChannel[%d][%d]: nats=%d maxExGain=%d\n", ch, j, di->dgainc[ch][j].nats, di->dgainc[ch][j].maxExGain); + if (di->dgainc[ch][j].nats) { + fprintf(pDumpFile, "\t\t\tloc: "); + for (i = 0; i < di->dgainc[ch][j].nats; i++) { + fprintf(pDumpFile, "%04x ", di->dgainc[ch][j].loc[i] & 0xffff); + } + fprintf(pDumpFile, "\n"); + + fprintf(pDumpFile, "\t\t\tgain:"); + for (i = 0; i < di->dgainc[ch][j].nats; i++) { + fprintf(pDumpFile, "%04x ", di->dgainc[ch][j].gain[i] & 0xffff); + } + fprintf(pDumpFile, "\n"); + } + } + } + WRITE_MPEG_REG(TRACE_CMD, 0); + break; + case BP_BEFORE_INVERSE_TRANSFORM: + fprintf(pDumpFile, "\nBefore Inverse transform:%d", READ_MPEG_REG(TRACE_REG0)); + ra_debug_dump_decmlt(gi, 0); + WRITE_MPEG_REG(TRACE_CMD, 0); + break; + case BP_PREMULTIPLY: + fprintf(pDumpFile, "\nAfter PreMultiply:"); + if (di->gbMin[ch] < 4) { + ra_debug_dump_decmlt(gi, -1); + } else { + ra_debug_dump_decmlt(gi, -1); + } + WRITE_MPEG_REG(TRACE_CMD, 0); + break; + case BP_BITREVERSE: + fprintf(pDumpFile, "\nAfter BitReverse:"); + if (di->gbMin[ch] < 4) { + ra_debug_dump_decmlt(gi, -1); + } else { + ra_debug_dump_decmlt(gi, -1); + } + WRITE_MPEG_REG(TRACE_CMD, 0); + break; + case BP_R8FIRSTPASS: + fprintf(pDumpFile, "\nAfter R8FirstPass:"); + if (di->gbMin[ch] < 4) { + ra_debug_dump_decmlt(gi, -1); + } else { + ra_debug_dump_decmlt(gi, -1); + } + WRITE_MPEG_REG(TRACE_CMD, 0); + break; + case BP_R4CORE: + fprintf(pDumpFile, "\nAfter R4Core:"); + if (di->gbMin[ch] < 4) { + ra_debug_dump_decmlt(gi, -4); + } else { + ra_debug_dump_decmlt(gi, -4); + } + WRITE_MPEG_REG(TRACE_CMD, 0); + break; + case BP_POSTMULTIPLY: + fprintf(pDumpFile, "\nAfter PostMultiply:"); + ra_debug_dump_decmlt(gi, -7); + WRITE_MPEG_REG(TRACE_CMD, 0); + break; + case BP_GAIN_CHANGES: + read_from_16bit_linear_format((M_LMEM16_DUMP << 1), (short*)&gi->block[rd], 128); + fprintf(pDumpFile, "\nAfter CalcGainChanges:"); + fprintf(pDumpFile, "\n\tgainc0->maxExGain=%04x, gainc1->maxExGain=%04x", di->dgainc[ch][0].maxExGain & 0xffff, di->dgainc[ch][1].maxExGain & 0xffff); + fprintf(pDumpFile, "\n\texgain:"); + for (i = 0; i < 2 * NPARTS + 1; i++) { + if ((i % NPARTS) == 0) { + fprintf(pDumpFile, "\n\t\t"); + } + fprintf(pDumpFile, "%04x ", di->exgain[i] & 0xffff); + } + fprintf(pDumpFile, "\n"); + WRITE_MPEG_REG(TRACE_CMD, 0); + break; + case BP_PCM: + pcm_output = AVMem_calloc(1024, sizeof(short)); + ch = READ_MPEG_REG(TRACE_REG0); + read_from_16bit_linear_format((M_LMEM16_DUMP << 1), (short*)pcm_output, di->nSamples); + fprintf(pDumpFile, "PCM:\n"); + for (i = 0; i < di->nSamples; i++) { + if (!(i & 31)) { + fprintf(pDumpFile, "\n\t"); + } + fprintf(pDumpFile, "%02x ", (*(pcm_output + i) >> 8) & 0xff); + } + fprintf(pDumpFile, "\n"); + AVMem_free(pcm_output); + WRITE_MPEG_REG(TRACE_CMD, 0); + break; + case BP_OVERLAP: + fprintf(pDumpFile, "\nOverlap:"); + ra_debug_dump_overlap(gi, READ_MPEG_REG(MREG_AUDIO_CTRL_REG2)); + WRITE_MPEG_REG(TRACE_CMD, 0); + break; + case BP_DEBUG: + fprintf(pDumpFile, "%06x %06x\n", ((READ_MPEG_REG(TRACE_REG0) << 8) | (READ_MPEG_REG(TRACE_REG1) & 0xff)), (READ_MPEG_REG(TRACE_REG2) << 8) | ((READ_MPEG_REG(TRACE_REG1) >> 8) & 0xff)); + WRITE_MPEG_REG(TRACE_CMD, 0); + break; + default: + printf("breakpoint not defined\n"); + break; + } + } +} +#endif + +/************************************************************************************** + * Function: Gecko2InitDecoder + * + * Description: initialize the fixed-point Gecko2 audio decoder + * + * Inputs: number of samples per frame + * number of channels + * number of frequency regions coded + * number of encoded bits per frame + * number of samples per second + * start region for coupling (joint stereo only) + * number of bits for each coupling scalefactor (joint stereo only) + * pointer to receive number of frames of coding delay + * + * Outputs: number of frames of coding delay (i.e. discard the PCM output from + * the first *codingDelay calls to Gecko2Decode()) + * + * Return: instance pointer, 0 if error (malloc fails, unsupported mode, etc.) + * + * Notes: this implementation is fully reentrant and thread-safe - the + * HGecko2Decoder instance pointer tracks all the state variables + * for each instance + **************************************************************************************/ +HGecko2Decoder Gecko2InitDecoder(int nSamples, int nChannels, int nRegions, int nFrameBits, int sampRate, + int cplStart, int cplQbits, int *codingDelay) +{ + Gecko2Info *gi; + +#ifdef ENABLE_DUMP + pDumpFile = fopen("ra_dump.txt", "w"); +#endif + + /* check parameters */ + if (nChannels < 0 || nChannels > MAXNCHAN) { + return 0; + } + if (nRegions < 0 || nRegions > MAXREGNS) { + return 0; + } + if (nFrameBits < 0 || cplStart < 0) { + return 0; + } + if (cplQbits && (cplQbits < 2 || cplQbits > 6)) { + return 0; + } + + gi = AllocateBuffers(); + if (!gi) { + return 0; + } + + /* if stereo, cplQbits == 0 means dual-mono, > 0 means joint stereo */ + gi->jointStereo = (nChannels == 2) && (cplQbits > 0); + + gi->nSamples = nSamples; + gi->nChannels = nChannels; + gi->nRegions = nRegions; + gi->nFrameBits = nFrameBits; + if (gi->nChannels == 2 && !gi->jointStereo) { + gi->nFrameBits /= 2; + } + gi->sampRate = sampRate; + + gi->rd = 0; + gi->wr = 0; + + //#ifndef USE_C_DECODER + // WRITE_MPEG_REG(MREG_AUDIO_CTRL_REG5, gi->rd); + // WRITE_MPEG_REG(MREG_AUDIO_CTRL_REG6, gi->wr); + //#endif + + if (gi->jointStereo) { + /* joint stereo */ + gi->cplStart = cplStart; + gi->cplQbits = cplQbits; + gi->rateBits = 5; + if (gi->nSamples > 256) { + gi->rateBits++; + } + if (gi->nSamples > 512) { + gi->rateBits++; + } + } else { + /* mono or dual-mono */ + gi->cplStart = 0; + gi->cplQbits = 0; + gi->rateBits = 5; + } + + gi->cRegions = gi->nRegions + gi->cplStart; + gi->nCatzns = (1 << gi->rateBits); + gi->lfsr[0] = gi->lfsr[1] = ('k' | 'e' << 8 | 'n' << 16 | 'c' << 24); /* well-chosen seed for dither generator */ + + /* validate tranform size */ + if (gi->nSamples == 256) { + gi->xformIdx = 0; + } else if (gi->nSamples == 512) { + gi->xformIdx = 1; + } else if (gi->nSamples == 1024) { + gi->xformIdx = 2; + } else { + Gecko2FreeDecoder(gi); + return 0; + } + + /* this is now 2, since lookahead MLT has been removed */ + *codingDelay = CODINGDELAY; + +#ifdef DBG_AMRISC + ra_debug_init(); +#endif + + return (HGecko2Decoder)gi; +} + +/************************************************************************************** + * Function: Gecko2FreeDecoder + * + * Description: free the fixed-point Gecko2 audio decoder + * + * Inputs: HGecko2Decoder instance pointer returned by Gecko2InitDecoder() + * + * Outputs: none + * + * Return: none + **************************************************************************************/ +void Gecko2FreeDecoder(HGecko2Decoder hGecko2Decoder) +{ + Gecko2Info *gi = (Gecko2Info *)hGecko2Decoder; + +#ifdef ENABLE_DUMP + if (pDumpFile) { + fclose(pDumpFile); + } +#endif + + if (!gi) { + return; + } + + FreeBuffers(gi); + + return; +} + +/************************************************************************************** + * Function: Gecko2ClearBadFrame + * + * Description: zero out pcm buffer if error decoding Gecko2 frame + * + * Inputs: pointer to initialized Gecko2Info struct + * pointer to pcm output buffer + * + * Outputs: zeroed out pcm buffer + * zeroed out data buffers (as if codec had been reinitialized) + * + * Return: none + **************************************************************************************/ +static void Gecko2ClearBadFrame(Gecko2Info *gi, short *outbuf) +{ + int i, ch; + + if (!gi || gi->nSamples * gi->nChannels > MAXNSAMP * MAXNCHAN || gi->nSamples * gi->nChannels < 0) { + return; + } + + /* clear PCM buffer */ + for (i = 0; i < gi->nSamples * gi->nChannels; i++) { + outbuf[i] = 0; + } + + /* clear internal data buffers */ + for (ch = 0; ch < gi->nChannels; ch++) { + for (i = 0; i < gi->nSamples; i++) { + gi->db.decmlt[ch][i] = 0; + gi->db.overlap[ch][i] = 0; + } + gi->xbits[ch][0] = gi->xbits[ch][1] = 0; + } + +} + +void ProduceDecodeInfo(HGecko2Decoder hGecko2Decoder, unsigned timestamp) +{ +#ifndef USE_C_DECODER + Gecko2Info *gi = (Gecko2Info *)hGecko2Decoder; + gi->wr = READ_MPEG_REG(MREG_AUDIO_CTRL_REG6); + gi->block[gi->wr].adts_hi = timestamp >> 16; + gi->block[gi->wr].adts_lo = timestamp & 0xffff; + gi->block[gi->wr].lostflag = gi->lostflag; + gi->block[gi->wr].jointflag = gi->jointStereo; + gi->block[gi->wr].nChannels = gi->nChannels; + gi->block[gi->wr].nSamples = gi->nSamples; + if (gi->sampRate <= 12000) { + gi->block[gi->wr].sampRate = 4; + } else if (gi->sampRate <= 24000) { + gi->block[gi->wr].sampRate = 2; + } else { + gi->block[gi->wr].sampRate = 1; + } + gi->block[gi->wr].xformIdx = gi->xformIdx; + memcpy(gi->block[gi->wr].gbMin, gi->gbMin, MAXNCHAN * sizeof(short)); + memcpy(gi->block[gi->wr].xbits, gi->xbits, 2 * MAXNCHAN * sizeof(short)); + CopyGainInfo(&gi->block[gi->wr].dgainc[0][0], &gi->dgainc[0][0]); + CopyGainInfo(&gi->block[gi->wr].dgainc[0][1], &gi->dgainc[0][1]); + CopyGainInfo(&gi->block[gi->wr].dgainc[1][0], &gi->dgainc[1][0]); + CopyGainInfo(&gi->block[gi->wr].dgainc[1][1], &gi->dgainc[1][1]); + gi->block[gi->wr].overlap = &gi->db.overlap; + write_to_16bit_linear_format((gi->wr) * 256, (short*)&gi->block[gi->wr], 128); + write_to_24bit_linear_format(MAXDECBUF * 256 + gi->wr * 2 * 1024 * 3, &(gi->db.decmlt[0][0]), 1024, gi->gbMin[0], 1); + write_to_24bit_linear_format(MAXDECBUF * 256 + gi->wr * 2 * 1024 * 3 + 1024 * 3, &(gi->db.decmlt[1][0]), 1024, gi->gbMin[1], 1); + gi->wr++; + gi->wr &= MAXDECBUF - 1; + WRITE_MPEG_REG(MREG_AUDIO_CTRL_REG6, gi->wr); +#endif +} + +int GetDecodeInfo(HGecko2Decoder hGecko2Decoder) +{ +#ifndef USE_C_DECODER + Gecko2Info *gi = (Gecko2Info *)hGecko2Decoder; + gi->rd = READ_MPEG_REG(MREG_AUDIO_CTRL_REG5); + gi->wr = READ_MPEG_REG(MREG_AUDIO_CTRL_REG6); + + while (((gi->wr + 1) & (MAXDECBUF - 1)) == gi->rd) { + gi->rd = READ_MPEG_REG(MREG_AUDIO_CTRL_REG5); + AVTimeDly(5); + if (AVTaskDelReq(OS_ID_SELF) == OS_TASK_DEL_REQ) { + return 0; + } + } +#endif + return 1; +} + +/************************************************************************************** + * Function: Gecko2Decode + * + * Description: decode one frame of audio data + * + * Inputs: HGecko2Decoder instance pointer returned by Gecko2InitDecoder() + * pointer to one encoded frame + * (nFrameBits / 8 bytes of data, byte-aligned) + * flag indicating lost frame (lostflag != 0 means lost) + * pointer to receive one decoded frame of PCM + * + * Outputs: one frame (nSamples * nChannels 16-bit samples) of decoded PCM + * + * Return: 0 if frame decoded okay, error code (< 0) if error + * + * Notes: to reduce memory and CPU usage, this only implements one-sided + * (backwards) interpolation for error concealment (no lookahead) + **************************************************************************************/ +int Gecko2Decode(HGecko2Decoder hGecko2Decoder, unsigned char *codebuf, int lostflag, short *outbuf, unsigned timestamp) +{ + int i, ch, availbits; + Gecko2Info *gi = (Gecko2Info *)hGecko2Decoder; + +#ifdef ENABLE_DUMP + int j; +#endif + + if (!gi) { + return -1; + } + + gi->lostflag = lostflag; + if (GetDecodeInfo(hGecko2Decoder)) { + if (!gi->lostflag) { + /* current frame is valid, decode it */ + if (gi->jointStereo) { + /* decode gain control info, coupling coefficients, and power envlope */ + availbits = DecodeSideInfo(gi, codebuf, gi->nFrameBits, 0); + if (availbits < 0) { + Gecko2ClearBadFrame(gi, outbuf); + return ERR_GECKO2_INVALID_SIDEINFO; + } + + /* reconstruct power envelope */ + CategorizeAndExpand(gi, availbits); + + /* reconstruct full MLT, including stereo decoupling */ + gi->gbMin[0] = gi->gbMin[1] = DecodeTransform(gi, gi->db.decmlt[0], availbits, &gi->lfsr[0], 0); + JointDecodeMLT(gi, gi->db.decmlt[0], gi->db.decmlt[1]); + gi->xbits[1][1] = gi->xbits[0][1]; + } else { + for (ch = 0; ch < gi->nChannels; ch++) { + /* decode gain control info and power envlope */ + availbits = DecodeSideInfo(gi, codebuf + (ch * gi->nFrameBits >> 3), gi->nFrameBits, ch); + if (availbits < 0) { + Gecko2ClearBadFrame(gi, outbuf); + return ERR_GECKO2_INVALID_SIDEINFO; + } + + /* reconstruct power envelope */ + CategorizeAndExpand(gi, availbits); + + /* reconstruct full MLT */ + gi->gbMin[ch] = DecodeTransform(gi, gi->db.decmlt[ch], availbits, &gi->lfsr[ch], ch); + + /* zero out non-coded regions */ + for (i = gi->nRegions * NBINS; i < gi->nSamples; i++) { + gi->db.decmlt[ch][i] = 0; + } + } + } + +#ifdef ENABLE_DUMP + if (DumpMask & DUMP_GAIN) { + fprintf(pDumpFile, "Gain:\n"); + for (ch = 0; ch < gi->nChannels; ch++) { + for (j = 0; j < 2; j++) { + fprintf(pDumpFile, "\tChannel[%d][%d]: nats=%d maxExGain=%d\n", ch, j, gi->dgainc[ch][j].nats, gi->dgainc[ch][j].maxExGain); + if (gi->dgainc[ch][j].nats) { + fprintf(pDumpFile, "\t\tloc: "); + for (i = 0; i < gi->dgainc[ch][j].nats; i++) { + fprintf(pDumpFile, "%08x ", gi->dgainc[ch][j].loc[i]); + } + fprintf(pDumpFile, "\n"); + + fprintf(pDumpFile, "\t\tgain:"); + for (i = 0; i < gi->dgainc[ch][j].nats; i++) { + fprintf(pDumpFile, "%08x ", gi->dgainc[ch][j].gain[i]); + } + fprintf(pDumpFile, "\n"); + } + } + } + } + if ((DumpMask & DUMP_CPL) && (gi->jointStereo)) { + fprintf(pDumpFile, "Couple:\n"); + fprintf(pDumpFile, "\t"); + for (i = cplband[gi->cplStart]; i <= cplband[gi->nRegions - 1]; i++) { + fprintf(pDumpFile, "%08x ", gi->db.cplindex[i]); + } + fprintf(pDumpFile, "\n"); + } + if (DumpMask & DUMP_ENV) { + fprintf(pDumpFile, "Envelope:\n"); + fprintf(pDumpFile, "\t"); + for (i = 0; i < gi->cRegions; i++) { + fprintf(pDumpFile, "%04x ", gi->db.rmsIndex[i] & 0xffff); + if ((i % 10) == 9) { + fprintf(pDumpFile, "\n\t"); + } + } + fprintf(pDumpFile, "\n"); + + for (ch = 0; ch < gi->nChannels; ch++) { + fprintf(pDumpFile, "\trmsMax[%d]=%08x\n", ch, gi->rmsMax[ch]); + } + } + if (DumpMask & DUMP_HUFF) { + fprintf(pDumpFile, "Huffman:\n"); + for (ch = 0; ch < gi->nChannels; ch++) { + fprintf(pDumpFile, "\tgbMin[%d]=%08x\n", ch, gi->gbMin[ch]); + } + } + if (DumpMask & DUMP_QUANT) { + fprintf(pDumpFile, "Dequant:\n"); + for (ch = 0; ch < gi->nChannels; ch++) { + fprintf(pDumpFile, "\tchannel %d:", ch); + for (i = 0; i < MAXNSAMP; i++) { + if (!(i & 7)) { + fprintf(pDumpFile, "\n\t"); + } + fprintf(pDumpFile, "%06x ", ((gi->db.decmlt[ch][i] + 0x80) >> 8) & 0xffffff); + } + fprintf(pDumpFile, "\n"); + } + } +#endif // ENABLE_DUMP + +#ifdef USE_C_DECODER + /* inverse transform, without window or overlap-add */ + for (ch = 0; ch < gi->nChannels; ch++) { + IMLTNoWindow(gi->xformIdx, gi->db.decmlt[ch], gi->gbMin[ch]); + } +#endif + } + + ProduceDecodeInfo(hGecko2Decoder, timestamp); +#ifdef DBG_AMRISC + gi->rd = READ_MPEG_REG(MREG_AUDIO_CTRL_REG5); + gi->wr = READ_MPEG_REG(MREG_AUDIO_CTRL_REG6); + while (gi->rd != gi->wr) { + ra_debug(gi); + gi->rd = READ_MPEG_REG(MREG_AUDIO_CTRL_REG5); + } +#endif +#ifdef USE_C_DECODER + for (ch = 0; ch < gi->nChannels; ch++) { + /* apply synthesis window, gain window, then overlap-add (interleaves stereo PCM LRLR...) */ + if (gi->dgainc[ch][0].nats || gi->dgainc[ch][1].nats || gi->xbits[ch][0] || gi->xbits[ch][1]) { + DecWindowWithAttacks(gi->xformIdx, gi->db.decmlt[ch], gi->db.overlap[ch], outbuf + ch, gi->nChannels, &gi->dgainc[ch][0], &gi->dgainc[ch][1], gi->xbits[ch]); + } else { + DecWindowNoAttacks(gi->xformIdx, gi->db.decmlt[ch], gi->db.overlap[ch], outbuf + ch, gi->nChannels); + } + + /* save gain settings for overlap */ + CopyGainInfo(&gi->dgainc[ch][0], &gi->dgainc[ch][1]); + gi->xbits[ch][0] = gi->xbits[ch][1]; + } +#endif + } + + return 0; +} diff --git a/audio_codec/libcook/gecko2codec.h b/audio_codec/libcook/gecko2codec.h new file mode 100644 index 0000000..0eda1f0 --- a/dev/null +++ b/audio_codec/libcook/gecko2codec.h @@ -0,0 +1,60 @@ +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * gecko2codec.h - public C API for Gecko2 decoder + **************************************************************************************/ + +#ifndef _GECKO2CODEC_H +#define _GECKO2CODEC_H + +//#include "includes.h" +#define _ARC32 + +#if defined(_WIN32) && !defined(_WIN32_WCE) + +#elif defined(_WIN32) && defined(_WIN32_WCE) && defined(ARM) + +#elif defined(_WIN32) && defined(WINCE_EMULATOR) + +#elif defined(ARM_ADS) + +#elif defined(_SYMBIAN) && defined(__WINS__) + +#elif defined(__GNUC__) && defined(ARM) + +#elif defined(__GNUC__) && defined(__i386__) + +#elif defined(_OPENWAVE) + +#elif defined(_ARC32) + +#else +#error No platform defined. See valid options in gecko2codec.h. +#endif + +#ifdef __cplusplus +extern "C" { +#endif + + typedef void *HGecko2Decoder; + + enum { + ERR_GECKO2_NONE = 0, + ERR_GECKO2_INVALID_SIDEINFO = -1, + + ERR_UNKNOWN = -9999 + }; + + /* public API */ + HGecko2Decoder Gecko2InitDecoder(int nSamples, int nChannels, int nRegions, int nFrameBits, int sampRate, int cplStart, int cplQbits, int *codingDelay); + void Gecko2FreeDecoder(HGecko2Decoder hGecko2Decoder); + int Gecko2Decode(HGecko2Decoder hGecko2Decoder, unsigned char *codebuf, int lostflag, short *outbuf, unsigned timestamp); + +#ifdef __cplusplus +} +#endif + +#endif /* _GECKO2CODEC_H */ + diff --git a/audio_codec/libcook/helix_config.h b/audio_codec/libcook/helix_config.h new file mode 100644 index 0000000..2b7b500 --- a/dev/null +++ b/audio_codec/libcook/helix_config.h @@ -0,0 +1,92 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: helix_config.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef HELIX_CONFIG_H +#define HELIX_CONFIG_H + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + + /******************************************************************** + * + * This file contains system wide configuration options. Please look + * through all the config options below to make sure the SDK is tuned + * best for your system. + * + ******************************************************************** + */ + + + /* + * Endian'ness. + * + * This package supports both compile-time and run-time determination + * of CPU byte ordering. If ARCH_IS_BIG_ENDIAN is defined as 0, the + * code will be compiled to run only on little-endian CPUs; if + * ARCH_IS_BIG_ENDIAN is defined as non-zero, the code will be + * compiled to run only on big-endian CPUs; if ARCH_IS_BIG_ENDIAN is + * not defined, the code will be compiled to run on either big- or + * little-endian CPUs, but will run slightly less efficiently on + * either one than if ARCH_IS_BIG_ENDIAN is defined. + * + * If you run on a BIG engian box uncomment this: + * + * #define ARCH_IS_BIG_ENDIAN 1 + * + * If you are on a LITTLE engian box uncomment this: + * + * #define ARCH_IS_BIG_ENDIAN 0 + * + * Or you can just leave it undefined and have it determined + * at runtime. + * + */ + + + + + + + + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef HELIX_CONFIG_H */ diff --git a/audio_codec/libcook/helix_mime_types.h b/audio_codec/libcook/helix_mime_types.h new file mode 100644 index 0000000..b848bd6 --- a/dev/null +++ b/audio_codec/libcook/helix_mime_types.h @@ -0,0 +1,56 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: helix_mime_types.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef HELIX_MIME_TYPES_H +#define HELIX_MIME_TYPES_H + +#define REALAUDIO_MIME_TYPE "audio/x-pn-realaudio" +#define REALAUDIO_MULTIRATE_MIME_TYPE "audio/x-pn-multirate-realaudio" +#define REALAUDIO_ENCRYPTED_MIME_TYPE "audio/x-pn-realaudio-encrypted" +#define REALVIDEO_MIME_TYPE "video/x-pn-realvideo" +#define REALVIDEO_MULTIRATE_MIME_TYPE "video/x-pn-multirate-realvideo" +#define REALVIDEO_ENCRYPTED_MIME_TYPE "video/x-pn-realvideo-encrypted" +#define REALEVENT_MIME_TYPE "application/x-pn-realevent" +#define REALEVENT_ENCRYPTED_MIME_TYPE "application/x-pn-realevent-encrypted" +#define REALIMAGEMAP_MIME_TYPE "application/x-pn-imagemap" +#define REALIMAGEMAP_ENCRYPTED_MIME_TYPE "application/x-pn-imagemap-encrypted" +#define IMAGEMAP_MIME_TYPE "image_map/x-pn-realvideo" +#define IMAGEMAP_ENCRYPTED_MIME_TYPE "image_map/x-pn-realvideo-encrypted" +#define SYNCMM_MIME_TYPE "syncMM/x-pn-realvideo" +#define SYNCMM_ENCRYPTED_MIME_TYPE "syncMM/x-pn-realvideo-encrypted" + +#endif /* #ifndef HELIX_MIME_TYPES_H */ diff --git a/audio_codec/libcook/helix_result.h b/audio_codec/libcook/helix_result.h new file mode 100644 index 0000000..6c600b4 --- a/dev/null +++ b/audio_codec/libcook/helix_result.h @@ -0,0 +1,107 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: helix_result.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef HELIX_RESULT_H +#define HELIX_RESULT_H + +#include "helix_types.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* Definition of HX_RESULT */ +#ifndef HX_RESULT + typedef INT32 HX_RESULT; +#endif /* #ifndef HX_RESULT */ + + /* FACILITY_ITF defintion */ +#ifndef FACILITY_ITF +#define FACILITY_ITF 4 +#endif + + /* General error definition macro */ +#ifndef MAKE_HX_FACILITY_RESULT +#define MAKE_HX_FACILITY_RESULT(sev,fac,code) \ + ((HX_RESULT) (((UINT32)(sev) << 31) | ((UINT32)(fac)<<16) | ((UINT32)(code)))) +#endif /* #ifndef MAKE_HX_FACILITY_RESULT */ + + /* Error definition macros with fac == FACILITY_ITF */ +#ifndef MAKE_HX_RESULT +#define MAKE_HX_RESULT(sev,fac,code) MAKE_HX_FACILITY_RESULT(sev, FACILITY_ITF, ((fac << 6) | (code))) +#endif /* #ifndef MAKE_HX_RESULT */ + +#define SS_GLO 0 /* General errors */ +#define SS_NET 1 /* Networking errors */ +#define SS_FIL 2 /* File errors */ +#define SS_DEC 8 /* Decoder errors */ +#define SS_DPR 63 /* Deprecated errors */ + +#define HXR_NOTIMPL MAKE_HX_FACILITY_RESULT(1,0,0x4001) /* 80004001 */ +#define HXR_OUTOFMEMORY MAKE_HX_FACILITY_RESULT(1,7,0x000e) /* 8007000e */ +#define HXR_INVALID_PARAMETER MAKE_HX_FACILITY_RESULT(1,7,0x0057) /* 80070057 */ +#define HXR_NOINTERFACE MAKE_HX_FACILITY_RESULT(1,0,0x4002) /* 80004002 */ +#define HXR_POINTER MAKE_HX_FACILITY_RESULT(1,0,0x4003) /* 80004003 */ +#define HXR_FAIL MAKE_HX_FACILITY_RESULT(1,0,0x4005) /* 80004005 */ +#define HXR_ACCESSDENIED MAKE_HX_FACILITY_RESULT(1,7,0x0005) /* 80070005 */ +#define HXR_OK MAKE_HX_FACILITY_RESULT(0,0,0) /* 00000000 */ + +#define HXR_INVALID_VERSION MAKE_HX_RESULT(1,SS_GLO,5) /* 80040005 */ +#define HXR_UNEXPECTED MAKE_HX_RESULT(1,SS_GLO,9) /* 80040009 */ +#define HXR_UNSUPPORTED_AUDIO MAKE_HX_RESULT(1,SS_GLO,15) /* 8004000f */ +#define HXR_NOT_SUPPORTED MAKE_HX_RESULT(1,SS_GLO,33) /* 80040021 */ + +#define HXR_NO_DATA MAKE_HX_RESULT(0,SS_NET,2) /* 00040042 */ + +#define HXR_AT_END MAKE_HX_RESULT(0,SS_FIL,0) /* 00040080 */ +#define HXR_INVALID_FILE MAKE_HX_RESULT(1,SS_FIL,1) /* 80040081 */ +#define HXR_CORRUPT_FILE MAKE_HX_RESULT(1,SS_FIL,17) /* 80040091 */ +#define HXR_READ_ERROR MAKE_HX_RESULT(1,SS_FIL,18) /* 80040092 */ + +#define HXR_BAD_FORMAT MAKE_HX_RESULT(1,SS_DPR,1) /* 80040fc1 */ + +#define HXR_DEC_NOT_FOUND MAKE_HX_RESULT(1,SS_DEC,1) /* 80040201 */ + + /* Define success and failure macros */ +#define HX_SUCCEEDED(status) (((UINT32) (status) >> 31) == 0) +#define HX_FAILED(status) (((UINT32) (status) >> 31) != 0) + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef HELIX_RESULT_H */ diff --git a/audio_codec/libcook/helix_types.h b/audio_codec/libcook/helix_types.h new file mode 100644 index 0000000..fbb7d56 --- a/dev/null +++ b/audio_codec/libcook/helix_types.h @@ -0,0 +1,305 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: helix_types.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef HELIX_TYPES_H +#define HELIX_TYPES_H +//#include +#include "string.h" +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* + * INT8 Type definition + * + * INT8 is a signed 8-bit type + */ +#ifndef INT8 + +#if defined(_SYMBIAN) + typedef TInt8 INT8; +#else /* #if defined(_SYMBIAN) */ + typedef char INT8; +#endif /* #if defined(_SYMBIAN) */ + +#endif /* #ifndef INT8 */ + + + /* + * CHAR - signed 8-bit value + */ + typedef INT8 CHAR; + + + /* + * UINT8 Type definition + * + * UINT8 is an unsigned 8-bit type + */ +#ifndef UINT8 + +#if defined(_SYMBIAN) + typedef TUint8 UINT8; +#else /* #if defined(_SYMBIAN) */ + typedef unsigned char UINT8; +#endif /* #if defined(_SYMBIAN) */ + +#endif /* #ifndef UINT8 */ + + /* + * BYTE Type definition + * + * BYTE is another name for a UINT8 + */ + typedef UINT8 BYTE; + + /* + * UCHAR Unsigned 8 bit value. + * + */ + typedef UINT8 UCHAR; + + /* + * INT16 Type definition + * + * INT16 is a signed 16-bit type + */ +#ifndef INT16 + +#if defined(_SYMBIAN) + typedef TInt16 INT16; +#else /* #if defined(_SYMBIAN) */ + typedef short int INT16; +#endif /* #if defined(_SYMBIAN) */ + +#endif /* #ifndef INT16 */ + + /* + * UINT16 Type definition + * + * UINT16 is an unsigned 16-bit type + */ +#ifndef UINT16 + +#if defined(_SYMBIAN) + typedef TUint16 UINT16; +#else /* #if defined(_SYMBIAN) */ + typedef unsigned short int UINT16; +#endif /* #if defined(_SYMBIAN) */ + +#endif /* #ifndef UINT16 */ + + /* + * INT32 Type definition + * + * INT32 is a signed 32-bit type + */ +#ifndef INT32 + +#if defined(_SYMBIAN) + typedef TInt32 INT32; +#elif defined(_UNIX) && defined(_LONG_IS_64) + typedef int INT32; +#elif defined(_VXWORKS) + typedef int INT32; +#else + typedef int INT32; +#endif + +#endif /* #ifndef INT32 */ + + /* + * LONG32 Type definition + * + * LONG32 is another name for a INT32 + */ + typedef INT32 LONG32; + + /* + * UINT32 Type definition + * + * UINT32 is an unsigned 32-bit type + */ +#ifndef UINT32 + +#if defined(_SYMBIAN) + typedef TUint32 UINT32; +#elif defined(_UNIX) && defined(_LONG_IS_64) + typedef unsigned int UINT32; +#elif defined(_VXWORKS) + typedef unsigned int UINT32; +#else + typedef unsigned long UINT32; +#endif + +#endif /* #ifndef UINT32 */ + + /* + * UFIXED32 Type definition + * + * UFIXED32 is another name for a UINT32 + */ + typedef UINT32 UFIXED32; + + /* + * ULONG32 Type definition + * + * ULONG32 is another name for a UINT32 + */ + typedef UINT32 ULONG32; + + /* + * HX_MOFTAG Type definition + * + * HX_MOFTAG is of type UINT32 + */ + typedef UINT32 HX_MOFTAG; + + /* + * HXBOOL Type definition + * + * HXBOOL is a boolean type + */ +#ifndef HXBOOL + +#if defined(_SYMBIAN) + typedef TBool HXBOOL; +#else /* #if defined(_SYMBIAN) */ + typedef int HXBOOL; +#endif /* #if defined(_SYMBIAN) */ + +#endif /* #ifndef HXBOOL */ + + /* + * BOOL Type definition + * + * BOOL is another name for a HXBOOL + */ + typedef HXBOOL BOOL; + + /* + * TRUE and FALSE definitions + */ +#ifdef TRUE +#undef TRUE +#endif + +#ifndef TRUE +#define TRUE 1 +#endif + +#ifdef FALSE +#undef FALSE +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + + /* + * HX_BITFIELD Type definition + * + * HX_BITFIELD is a bitfield type. It would + * be used in conjunction with a field width + * parameter like this: + * + * HX_BITFIELD foo:2; + */ +#ifndef HX_BITFIELD + + typedef unsigned char HX_BITFIELD; + +#endif + + /* + * HXFLOAT Type definition + * + * HXFLOAT is a single-precision floating-point type + */ +#ifndef HXFLOAT + + typedef float HXFLOAT; + +#endif /* #ifndef HXFLOAT */ + + /* + * HXDOUBLE Type definition + * + * HXDOUBLE is a double-precision floating-point type + */ +#ifndef HXDOUBLE + + typedef double HXDOUBLE; + +#endif /* #ifndef HXDOUBLE */ + + /* + * HXNULL definition + */ +#ifndef HXNULL +#define HXNULL ((void *)0) +#endif + + /* + * Helix DATE type. + */ + +#define HX_YEAR_OFFSET 1900 + + typedef struct system_time { + UINT16 second; /* 0-59 */ + UINT16 minute; /* 0-59 */ + UINT16 hour; /* 0-23 */ + UINT16 dayofweek; /* 0-6 (Sunday = 0) */ + UINT16 dayofmonth;/* 1-31 */ + UINT16 dayofyear; /* 1-366 (January 1 = 1) */ + UINT16 month; /* 1-12 (January = 1) */ + UINT16 year; /* year - 1900 or (year - HX_YEAR_OFFSET) */ + INT16 gmtDelta; /* Greenwich Mean Time Delta in +/- hours */ + } HX_DATETIME; + + HX_DATETIME HX_GET_DATETIME(void); + +#define HXEXPORT_PTR * +#define HXEXPORT +#define ENTRYPOINT(func) func + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef HELIX_TYPES_H */ diff --git a/audio_codec/libcook/helix_utils.h b/audio_codec/libcook/helix_utils.h new file mode 100644 index 0000000..40450ca --- a/dev/null +++ b/audio_codec/libcook/helix_utils.h @@ -0,0 +1,106 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: helix_utils.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef HELIX_UTILS_H +#define HELIX_UTILS_H + +#include "helix_config.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + + /* + * General support macros + * + */ + +#define HX_MAX(a, b) (((a) > (b)) ? (a) : (b)) +#define HX_MIN(a, b) (((a) < (b)) ? (a) : (b)) + + /* + * Macro: IS_BIG_ENDIAN() + * + * Endianness detection macro. + * Requires local test_int = 0xFF for correct operation. + * Set ARCH_IS_BIG_ENDIAN in helix_config.h for best performance. + * + */ + +#if !defined(ARCH_IS_BIG_ENDIAN) +#define IS_BIG_ENDIAN(test_int) ((*((char*)&test_int)) == 0) +#else +#define IS_BIG_ENDIAN(test_int) ARCH_IS_BIG_ENDIAN +#endif + + /* + * Macro: HX_GET_MAJOR_VERSION() + * + * Given the encoded product version, + * returns the major version number. + */ +#define HX_GET_MAJOR_VERSION(prodVer) ((prodVer >> 28) & 0xF) + + /* + * Macro: HX_GET_MINOR_VERSION() + * + * Given the encoded product version, + * returns the minor version number. + */ +#define HX_GET_MINOR_VERSION(prodVer) ((prodVer >> 20) & 0xFF) + + /* + * Macro: HX_ENCODE_PROD_VERSION() + * + * Given the major version, minor version, + * release number, and build number, + * returns the encoded product version. + */ +#define HX_ENCODE_PROD_VERSION(major,minor,release,build) \ + ((ULONG32)((ULONG32)major << 28) | ((ULONG32)minor << 20) | \ + ((ULONG32)release << 12) | (ULONG32)build) + +#define HX_GET_PRIVATE_FIELD(ulversion)(ulversion & (UINT32)0xFF) + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + + +#endif /* HELIX_UTILS_H */ + diff --git a/audio_codec/libcook/md5.h b/audio_codec/libcook/md5.h new file mode 100644 index 0000000..7cec16c --- a/dev/null +++ b/audio_codec/libcook/md5.h @@ -0,0 +1,113 @@ +/* + Copyright (C) 1999, 2002 Aladdin Enterprises. All rights reserved. + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + L. Peter Deutsch + ghost@aladdin.com + + */ + +/* + Independent implementation of MD5 (RFC 1321). + + This code implements the MD5 Algorithm defined in RFC 1321, whose + text is available at + http://www.ietf.org/rfc/rfc1321.txt + The code is derived from the text of the RFC, including the test suite + (section A.5) but excluding the rest of Appendix A. It does not include + any code or documentation that is identified in the RFC as being + copyrighted. + + The original and principal author of md5.h is L. Peter Deutsch + . Other authors are noted in the change history + that follows (in reverse chronological order): + + 2002-04-13 lpd Removed support for non-ANSI compilers; removed + references to Ghostscript; clarified derivation from RFC 1321; + now handles byte order either statically or dynamically. + 1999-11-04 lpd Edited comments slightly for automatic TOC extraction. + 1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5); + added conditionalization for C++ compilation from Martin + Purschke . + 1999-05-03 lpd Original version. + */ + +#ifndef md5_INCLUDED +# define md5_INCLUDED + + +#include "helix_types.h" +/* + * These should cause all callers and callees of the md5_ + * function names to use a unique Helix specific name space + * of HX_md5_xxx. This will facilitate the inclusion of our + * code into code bases that also use the md5_ functions. + */ + +#define md5_init HX_md5_init +#define md5_append HX_md5_append +#define md5_finish HX_md5_finish +#define MD5End HX_MD5End +#define MD5Data HX_MD5Data + + +/* + * This package supports both compile-time and run-time determination of CPU + * byte order. If ARCH_IS_BIG_ENDIAN is defined as 0, the code will be + * compiled to run only on little-endian CPUs; if ARCH_IS_BIG_ENDIAN is + * defined as non-zero, the code will be compiled to run only on big-endian + * CPUs; if ARCH_IS_BIG_ENDIAN is not defined, the code will be compiled to + * run on either big- or little-endian CPUs, but will run slightly less + * efficiently on either one than if ARCH_IS_BIG_ENDIAN is defined. + */ + +typedef unsigned char md5_byte_t; /* 8-bit byte */ +typedef unsigned int md5_word_t; /* 32-bit word */ + +/* Define the state of the MD5 Algorithm. */ +typedef struct md5_state_s { + md5_word_t count[2]; /* message length in bits, lsw first */ + md5_word_t abcd[4]; /* digest buffer */ + md5_byte_t buf[64]; /* accumulate block */ +} md5_state_t; + +#ifdef __cplusplus +extern "C" +{ +#endif + + /* Initialize the algorithm. */ + void md5_init(md5_state_t *pms); + + /* Append a string to the message. */ + void md5_append(md5_state_t *pms, const md5_byte_t *data, int nbytes); + + /* Finish the message and return the digest. */ + /* changed order to match expected usage. */ + void md5_finish(md5_byte_t digest[16], md5_state_t *pms); + + + char * MD5End(md5_state_t *ctx, char *p); + char * MD5Data(char *, const unsigned char *, unsigned int); + + +#ifdef __cplusplus +} /* end extern "C" */ +#endif + +#endif /* md5_INCLUDED */ diff --git a/audio_codec/libcook/memory_utils.c b/audio_codec/libcook/memory_utils.c new file mode 100644 index 0000000..3d411cb --- a/dev/null +++ b/audio_codec/libcook/memory_utils.c @@ -0,0 +1,100 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: memory_utils.c,v 1.1.1.1.2.1 2005/05/04 18:21:23 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "memory_utils.h" + +HX_RESULT rm_enforce_buffer_min_size(void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree, + BYTE** ppBuf, + UINT32* pulCurLen, + UINT32 ulReqLen) +{ + HX_RESULT retVal = HXR_OUTOFMEMORY; + + if (fpMalloc && fpFree && ppBuf && pulCurLen) { + if (ulReqLen > *pulCurLen) { + /* Allocate a new buffer */ + BYTE* pBuf = fpMalloc(pUserMem, ulReqLen); + if (pBuf) { + /* Was the old buffer allocated? */ + if (*ppBuf && *pulCurLen > 0) { + /* Copy the old buffer into the new one */ + memcpy(pBuf, *ppBuf, *pulCurLen); + /* Free the old buffer */ + fpFree(pUserMem, *ppBuf); + } + /* Assign the buffer out parameter */ + *ppBuf = pBuf; + /* Change the current size to the requested size */ + *pulCurLen = ulReqLen; + /* Clear the return value */ + retVal = HXR_OK; + } + } else { + /* Current buffer size is adequate - don't + * have to do anything here. + */ + retVal = HXR_OK; + } + } + + return retVal; +} + +BYTE* copy_buffer(void* pUserMem, + rm_malloc_func_ptr fpMalloc, + BYTE* pBuf, + UINT32 ulLen) +{ + BYTE* pRet = HXNULL; + + if (fpMalloc && pBuf && ulLen) { + /* Allocate a buffer */ + pRet = (BYTE*) fpMalloc(pUserMem, ulLen); + if (pRet) { + /* Copy the buffer */ + memcpy(pRet, pBuf, ulLen); + } + } + + return pRet; +} diff --git a/audio_codec/libcook/memory_utils.h b/audio_codec/libcook/memory_utils.h new file mode 100644 index 0000000..3c8992c --- a/dev/null +++ b/audio_codec/libcook/memory_utils.h @@ -0,0 +1,58 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: memory_utils.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef MEMORY_UTILS_H +#define MEMORY_UTILS_H + +//#include "includes.h" +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" + +HX_RESULT rm_enforce_buffer_min_size(void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree, + BYTE** ppBuf, + UINT32* pulCurLen, + UINT32 ulReqLen); + +BYTE* copy_buffer(void* pUserMem, + rm_malloc_func_ptr fpMalloc, + BYTE* pBuf, + UINT32 ulLen); + +#endif /* #ifndef MEMORY_UTILS_H */ diff --git a/audio_codec/libcook/pack_utils.c b/audio_codec/libcook/pack_utils.c new file mode 100644 index 0000000..23fcc8d --- a/dev/null +++ b/audio_codec/libcook/pack_utils.c @@ -0,0 +1,306 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: pack_utils.c,v 1.2.2.1 2005/05/04 18:21:23 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "memory_utils.h" +#include "pack_utils.h" + +void rm_pack32(UINT32 ulValue, BYTE** ppBuf, UINT32* pulLen) +{ + if (ppBuf && pulLen && *pulLen >= 4) { + BYTE* pBuf = *ppBuf; + pBuf[0] = (BYTE)((ulValue & 0xFF000000) >> 24); + pBuf[1] = (BYTE)((ulValue & 0x00FF0000) >> 16); + pBuf[2] = (BYTE)((ulValue & 0x0000FF00) >> 8); + pBuf[3] = (BYTE)(ulValue & 0x000000FF); + *ppBuf += 4; + *pulLen -= 4; + } +} + +void rm_pack32_le(UINT32 ulValue, BYTE** ppBuf, UINT32* pulLen) +{ + if (ppBuf && pulLen && *pulLen >= 4) { + BYTE* pBuf = *ppBuf; + pBuf[0] = (BYTE)(ulValue & 0x000000FF); + pBuf[1] = (BYTE)((ulValue & 0x0000FF00) >> 8); + pBuf[2] = (BYTE)((ulValue & 0x00FF0000) >> 16); + pBuf[3] = (BYTE)((ulValue & 0xFF000000) >> 24); + *ppBuf += 4; + *pulLen -= 4; + } +} + +void rm_pack16(UINT16 usValue, BYTE** ppBuf, UINT32* pulLen) +{ + if (ppBuf && pulLen && *pulLen >= 2) { + BYTE* pBuf = *ppBuf; + pBuf[0] = (BYTE)((usValue & 0x0000FF00) >> 8); + pBuf[1] = (BYTE)(usValue & 0x000000FF); + *ppBuf += 2; + *pulLen -= 2; + } +} + +void rm_pack16_le(UINT16 usValue, BYTE** ppBuf, UINT32* pulLen) +{ + if (ppBuf && pulLen && *pulLen >= 2) { + BYTE* pBuf = *ppBuf; + pBuf[0] = (BYTE)(usValue & 0x000000FF); + pBuf[1] = (BYTE)((usValue & 0x0000FF00) >> 8); + *ppBuf += 2; + *pulLen -= 2; + } +} + +void rm_pack8(BYTE ucValue, BYTE** ppBuf, UINT32* pulLen) +{ + if (ppBuf && pulLen && *pulLen > 0) { + BYTE* pBuf = *ppBuf; + pBuf[0] = (BYTE) ucValue; + *ppBuf += 1; + *pulLen -= 1; + } +} + +UINT32 rm_unpack32(BYTE** ppBuf, UINT32* pulLen) +{ + UINT32 ulRet = 0; + + if (ppBuf && pulLen && *pulLen >= 4) { + BYTE* pBuf = *ppBuf; + ulRet = (pBuf[0] << 24) | (pBuf[1] << 16) | (pBuf[2] << 8) | pBuf[3]; + *ppBuf += 4; + *pulLen -= 4; + } + + return ulRet; +} + +UINT16 rm_unpack16(BYTE** ppBuf, UINT32* pulLen) +{ + UINT16 usRet = 0; + + if (ppBuf && pulLen && *pulLen >= 2) { + BYTE* pBuf = *ppBuf; + usRet = (pBuf[0] << 8) | pBuf[1]; + *ppBuf += 2; + *pulLen -= 2; + } + + return usRet; +} + +UINT32 rm_unpack32_nse(BYTE* pBuf, UINT32 ulLen) +{ + UINT32 ulRet = 0; + + if (pBuf && ulLen >= 4) { + ulRet = (pBuf[0] << 24) | (pBuf[1] << 16) | (pBuf[2] << 8) | pBuf[3]; + } + + return ulRet; +} + +UINT16 rm_unpack16_nse(BYTE* pBuf, UINT32 ulLen) +{ + UINT16 usRet = 0; + + if (pBuf && ulLen >= 2) { + usRet = (pBuf[0] << 8) | pBuf[1]; + } + + return usRet; +} + +BYTE rm_unpack8(BYTE** ppBuf, UINT32* pulLen) +{ + BYTE ucRet = 0; + + if (ppBuf && pulLen && *pulLen > 0) { + BYTE* pBuf = *ppBuf; + ucRet = pBuf[0]; + *ppBuf += 1; + *pulLen -= 1; + } + + return ucRet; +} + +HX_RESULT rm_unpack_string(BYTE** ppBuf, + UINT32* pulLen, + UINT32 ulStrLen, + char** ppStr, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + HX_RESULT retVal = HXR_FAIL; + + if (ppBuf && pulLen && *pulLen >= ulStrLen && ppStr && fpMalloc && fpFree) { + /* Clear the return value */ + retVal = HXR_OK; + /* Do we actually have a string to unpack? */ + if (ulStrLen) { + /* If the string is already allocated, free it */ + if (*ppStr) { + fpFree(pUserMem, *ppStr); + *ppStr = HXNULL; + } + /* Allocate a buffer that it one more byte than the length */ + *ppStr = (char*) fpMalloc(pUserMem, ulStrLen + 1); + if (*ppStr) { + /* Copy the string buffer in */ + memcpy(*ppStr, *ppBuf, ulStrLen); + /* Put a NULL terminator on the end */ + (*ppStr)[ulStrLen] = '\0'; + /* Update the parsing buffer counters */ + *ppBuf += ulStrLen; + *pulLen -= ulStrLen; + } else { + retVal = HXR_OUTOFMEMORY; + } + } + } + + return retVal; +} + +HX_RESULT rm_unpack_buffer(BYTE** ppBuf, + UINT32* pulLen, + UINT32 ulBufLen, + BYTE** ppUnPackBuf, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + HX_RESULT retVal = HXR_FAIL; + + if (ppBuf && pulLen && *pulLen >= ulBufLen && ppUnPackBuf && fpMalloc && fpFree) { + /* Clear the return value */ + retVal = HXR_OK; + /* Do we have a buffer? */ + if (ulBufLen) { + /* If the string is already allocated, free it */ + if (*ppUnPackBuf) { + fpFree(pUserMem, *ppUnPackBuf); + *ppUnPackBuf = HXNULL; + } + /* Allocate a buffer that it one more byte than the length */ + *ppUnPackBuf = (BYTE*) fpMalloc(pUserMem, ulBufLen); + if (*ppUnPackBuf) { + /* Copy the string buffer in */ + memcpy(*ppUnPackBuf, *ppBuf, ulBufLen); + /* Update the parsing buffer counters */ + *ppBuf += ulBufLen; + *pulLen -= ulBufLen; + } else { + retVal = HXR_OUTOFMEMORY; + } + } + } + + return retVal; +} + +HX_RESULT rm_unpack_array(BYTE** ppBuf, + UINT32* pulLen, + UINT32 ulNumElem, + UINT32 ulElemSize, + void** ppArr, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + HX_RESULT retVal = HXR_FAIL; + + if (ppBuf && pulLen && *pulLen >= ulNumElem * ulElemSize && + ppArr && fpMalloc && fpFree) { + /* Clear the return value */ + retVal = HXR_OK; + /* Do we have any elements? */ + if (ulNumElem) { + /* If the array is already allocated, then free it */ + if (*ppArr) { + fpFree(pUserMem, *ppArr); + *ppArr = HXNULL; + } + /* Allocate space for the array */ + *ppArr = fpMalloc(pUserMem, ulNumElem * ulElemSize); + if (*ppArr) { + /* Is this a UINT32 or a UINT16? */ + UINT32 i = 0; + if (ulElemSize == sizeof(UINT32)) { + /* Unpack UINT32s */ + UINT32* pArr32 = (UINT32*) * ppArr; + for (i = 0; i < ulNumElem; i++) { + pArr32[i] = rm_unpack32(ppBuf, pulLen); + } + } else if (ulElemSize == sizeof(UINT16)) { + /* Unpack UINT16s */ + UINT16* pArr16 = (UINT16*) * ppArr; + for (i = 0; i < ulNumElem; i++) { + pArr16[i] = rm_unpack16(ppBuf, pulLen); + } + } + /* Clear the return value */ + retVal = HXR_OK; + } else { + retVal = HXR_OUTOFMEMORY; + } + } + } + + return retVal; +} + +UINT32 rm_unpack32_from_byte_string(BYTE** ppBuf, UINT32* pulLen) +{ + UINT32 ulRet = 0; + + if (ppBuf && *ppBuf && pulLen && *pulLen) { + UINT32 ulStrLen = rm_unpack8(ppBuf, pulLen); + if (ulStrLen == 4 && *pulLen >= ulStrLen) { + ulRet = rm_unpack32(ppBuf, pulLen); + } + } + + return ulRet; +} diff --git a/audio_codec/libcook/pack_utils.h b/audio_codec/libcook/pack_utils.h new file mode 100644 index 0000000..d5bf21f --- a/dev/null +++ b/audio_codec/libcook/pack_utils.h @@ -0,0 +1,93 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: pack_utils.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef PACK_UTILS_H +#define PACK_UTILS_H + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" + +/* Pack a 32-bit value big-endian */ +void rm_pack32(UINT32 ulValue, BYTE** ppBuf, UINT32* pulLen); +/* Pack a 32-bit value little-endian */ +void rm_pack32_le(UINT32 ulValue, BYTE** ppBuf, UINT32* pulLen); +/* Pack a 16-bit value big-endian */ +void rm_pack16(UINT16 usValue, BYTE** ppBuf, UINT32* pulLen); +/* Pack a 16-bit value little-endian */ +void rm_pack16_le(UINT16 usValue, BYTE** ppBuf, UINT32* pulLen); +void rm_pack8(BYTE ucValue, BYTE** ppBuf, UINT32* pulLen); + +/* Unpacking utilties */ +UINT32 rm_unpack32(BYTE** ppBuf, UINT32* pulLen); +UINT16 rm_unpack16(BYTE** ppBuf, UINT32* pulLen); +/* rm_unpack32() and rm_unpack16() have the side + * effect of incrementing *ppBuf and decrementing + * *pulLen. The functions below (rm_unpack32_nse() + * rm_unpack16_nse()) do not change pBuf and ulLen. + * That is, they have No Side Effect, hence the suffix + * _nse. + */ +UINT32 rm_unpack32_nse(BYTE* pBuf, UINT32 ulLen); +UINT16 rm_unpack16_nse(BYTE* pBuf, UINT32 ulLen); +BYTE rm_unpack8(BYTE** ppBuf, UINT32* pulLen); +HX_RESULT rm_unpack_string(BYTE** ppBuf, + UINT32* pulLen, + UINT32 ulStrLen, + char** ppStr, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); +HX_RESULT rm_unpack_buffer(BYTE** ppBuf, + UINT32* pulLen, + UINT32 ulBufLen, + BYTE** ppUnPackBuf, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); +HX_RESULT rm_unpack_array(BYTE** ppBuf, + UINT32* pulLen, + UINT32 ulNumElem, + UINT32 ulElemSize, + void** ppArr, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + +UINT32 rm_unpack32_from_byte_string(BYTE** ppBuf, UINT32* pulLen); + +#endif /* #ifndef PACK_UTILS_H */ diff --git a/audio_codec/libcook/packet_defines.h b/audio_codec/libcook/packet_defines.h new file mode 100644 index 0000000..5339f36 --- a/dev/null +++ b/audio_codec/libcook/packet_defines.h @@ -0,0 +1,48 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: packet_defines.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef PACKET_DEFINES_H +#define PACKET_DEFINES_H + +#define HX_KEYFRAME_FLAG 0x0002 +#define HX_KEYFRAME_RULE 0 +#define HX_NONKEYFRAME_RULE 1 +#define HX_THINNING_RULE 2 +#define HX_ASM_SWITCH_ON 1 +#define HX_ASM_SWITCH_OFF 2 + +#endif /* #ifndef PACKET_DEFINES_H */ diff --git a/audio_codec/libcook/ra8lbr_decode.c b/audio_codec/libcook/ra8lbr_decode.c new file mode 100644 index 0000000..729d99c --- a/dev/null +++ b/audio_codec/libcook/ra8lbr_decode.c @@ -0,0 +1,378 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ra8lbr_decode.c,v 1.2.2.1 2005/05/04 18:21:53 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +//#include +//#include +#include "helix_types.h" +#include "helix_result.h" +#include "ra8lbr_decode.h" +#include "ra_format_info.h" +#include "gecko2codec.h" +#include + +#define GECKO_VERSION ((1L<<24)|(0L<<16)|(0L<<8)|(3L)) +#define GECKO_MC1_VERSION ((2L<<24)|(0L<<16)|(0L<<8)|(0L)) + +HX_RESULT ra8lbr_unpack_opaque_data(ra8lbr_data* pData, + UINT8* pBuf, + UINT32 ulLength); + +/* + * ra8lbr_decode_init + */ +HX_RESULT +ra8lbr_decode_init(void* pInitParams, + UINT32 ulInitParamsSize, + ra_format_info* pStreamInfo, + void** pDecode, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + HX_RESULT retVal = HXR_FAIL; + ra8lbr_decode* pDec; + ra8lbr_data unpackedData; + UINT32 nChannels, frameSizeInBits; + + pDec = (ra8lbr_decode*) fpMalloc(pUserMem, sizeof(ra8lbr_decode)); + + if (pDec) { + memset(pDec, 0, sizeof(ra8lbr_decode)); + *pDecode = (void *)pDec; + retVal = ra8lbr_unpack_opaque_data(&unpackedData, + pStreamInfo->pOpaqueData, + pStreamInfo->ulOpaqueDataSize); + + if (retVal == HXR_OK) { + /* save the stream info and init data we'll need later */ + pDec->ulNumChannels = (UINT32)pStreamInfo->usNumChannels; + pDec->ulFrameSize = pStreamInfo->ulBitsPerFrame; + pDec->ulFramesPerBlock = pStreamInfo->ulGranularity / pDec->ulFrameSize; + pDec->ulSamplesPerFrame = unpackedData.nSamples; + pDec->ulSampleRate = pStreamInfo->ulSampleRate; + + /* multichannel not supported, use simple logic for channel mask */ + if (pDec->ulNumChannels == 1) { + pDec->ulChannelMask = 0x00004; + } else if (pDec->ulNumChannels == 2) { + pDec->ulChannelMask = 0x00003; + } else { + pDec->ulChannelMask = 0x00003; + } + if (pDec->ulNumChannels > 2) { + pDec->ulNumChannels = 2; + } + nChannels = pDec->ulNumChannels; + frameSizeInBits = pDec->ulFrameSize * 8; + + /* initialize the decoder backend and save a reference to it */ + + pDec->pDecoder = Gecko2InitDecoder(pDec->ulSamplesPerFrame / nChannels, + nChannels, + unpackedData.nRegions, + frameSizeInBits, + pDec->ulSampleRate, + unpackedData.cplStart, + unpackedData.cplQBits, + (INT32 *)&pDec->ulDelayFrames); + + /* Allocate a dummy input frame for flushing the decoder */ + pDec->pFlushData = (UCHAR *) fpMalloc(pUserMem, pDec->ulFrameSize); + + if (pDec->pDecoder == HXNULL || pDec->pFlushData == HXNULL) { + retVal = HXR_FAIL; + } else { + /* fill the dummy input frame with zeros */ + memset(pDec->pFlushData, 0, pDec->ulFrameSize); + + /* Set number of delay samples to discard on decoder start */ + pDec->ulDelayRemaining = pDec->ulDelayFrames * pDec->ulSamplesPerFrame; + } + } + } + + return retVal; +} + +HX_RESULT +ra8lbr_decode_reset(void* pDecode, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut) +{ + HX_RESULT retVal = HXR_FAIL; + ra8lbr_decode* pDec = (ra8lbr_decode*) pDecode; + UINT32 n, framesToDecode; + + *pNumSamplesOut = 0; + + if (pSamplesOut != HXNULL) { + framesToDecode = pDec->ulDelayFrames; + if (framesToDecode * pDec->ulSamplesPerFrame > ulNumSamplesAvail) { + framesToDecode = ulNumSamplesAvail / pDec->ulSamplesPerFrame; + } + + for (n = 0; n < framesToDecode; n++) { + retVal = Gecko2Decode(pDec->pDecoder, pDec->pFlushData, + 0xFFFFFFFFUL, (INT16 *)pSamplesOut + *pNumSamplesOut, 0); + *pNumSamplesOut += pDec->ulSamplesPerFrame; + } + + /* reset the delay compensation */ + pDec->ulDelayRemaining = pDec->ulDelayFrames * pDec->ulSamplesPerFrame; + } + + return retVal; +} + +HX_RESULT +ra8lbr_decode_conceal(void* pDecode, + UINT32 ulNumSamples) +{ + ra8lbr_decode* pDec = (ra8lbr_decode*) pDecode; + pDec->ulFramesToConceal = ulNumSamples / pDec->ulSamplesPerFrame; + + return HXR_OK; +} + +HX_RESULT +ra8lbr_decode_decode(void* pDecode, + UINT8* pData, + UINT32 ulNumBytes, + UINT32* pNumBytesConsumed, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut, + UINT32 ulFlags, + UINT32 ulTimeStamp) +{ + HX_RESULT retVal = HXR_FAIL; + ra8lbr_decode* pDec = (ra8lbr_decode*) pDecode; + UINT32 n, framesToDecode, lostFlag; + UINT8* inBuf = pData; + UINT16* outBuf = pSamplesOut; + + *pNumBytesConsumed = 0; + *pNumSamplesOut = 0; + framesToDecode = 0; + + if (pDec->ulFramesToConceal != 0) { + if (pDec->ulFramesToConceal > ulNumSamplesAvail / pDec->ulSamplesPerFrame) { + framesToDecode = ulNumSamplesAvail / pDec->ulSamplesPerFrame; + pDec->ulFramesToConceal -= framesToDecode; + } else { + framesToDecode = pDec->ulFramesToConceal; + pDec->ulFramesToConceal = 0; + } + + inBuf = pDec->pFlushData; + + for (n = 0; n < framesToDecode; n++) { + retVal = Gecko2Decode(pDec->pDecoder, inBuf, 0xFFFFFFFFUL, (INT16 *)outBuf, ulTimeStamp); + + if (retVal != 0) { + retVal = HXR_FAIL; + break; + } + + outBuf += pDec->ulSamplesPerFrame; + *pNumSamplesOut += pDec->ulSamplesPerFrame; + } + } else if (ulNumBytes % pDec->ulFrameSize == 0) { + framesToDecode = ulNumBytes / pDec->ulFrameSize; + + if (framesToDecode > ulNumSamplesAvail / pDec->ulSamplesPerFrame) { + framesToDecode = ulNumSamplesAvail / pDec->ulSamplesPerFrame; + } + + for (n = 0; n < framesToDecode; n++) { + lostFlag = !((ulFlags >> n) & 1); + + retVal = Gecko2Decode(pDec->pDecoder, inBuf, lostFlag, (INT16 *)outBuf, ulTimeStamp); + + if (retVal != 0) { + retVal = HXR_FAIL; + break; + } + + inBuf += pDec->ulFrameSize; + *pNumBytesConsumed += pDec->ulFrameSize; + outBuf += pDec->ulSamplesPerFrame; + *pNumSamplesOut += pDec->ulSamplesPerFrame; + } + } + + /* Discard invalid output samples */ + if (retVal == HXR_FAIL) { /* decoder error */ + *pNumSamplesOut = 0; + /* protect consumer ears by zeroing the output buffer, + just in case the error return code is disregarded. */ + memset(pSamplesOut, 0, pDec->ulSamplesPerFrame * framesToDecode * sizeof(UINT16)); + } else if (pDec->ulDelayRemaining > 0) { /* delay samples */ + if (pDec->ulDelayRemaining >= *pNumSamplesOut) { + pDec->ulDelayRemaining -= *pNumSamplesOut; + *pNumSamplesOut = 0; + } else { + *pNumSamplesOut -= pDec->ulDelayRemaining; + memmove(pSamplesOut, pSamplesOut + pDec->ulDelayRemaining, *pNumSamplesOut); + pDec->ulDelayRemaining = 0; + } + } + + return retVal; +} + +HX_RESULT +ra8lbr_decode_getmaxsize(void* pDecode, + UINT32* pNumSamples) +{ + ra8lbr_decode* pDec = (ra8lbr_decode *)pDecode; + *pNumSamples = pDec->ulSamplesPerFrame * pDec->ulFramesPerBlock; + + return HXR_OK; +} + +HX_RESULT +ra8lbr_decode_getchannels(void* pDecode, + UINT32* pNumChannels) +{ + ra8lbr_decode* pDec = (ra8lbr_decode *)pDecode; + *pNumChannels = pDec->ulNumChannels; + + return HXR_OK; +} + +HX_RESULT +ra8lbr_decode_getchannelmask(void* pDecode, + UINT32* pChannelMask) +{ + ra8lbr_decode* pDec = (ra8lbr_decode *)pDecode; + *pChannelMask = pDec->ulChannelMask; + return HXR_OK; +} + +HX_RESULT +ra8lbr_decode_getrate(void* pDecode, + UINT32* pSampleRate) +{ + ra8lbr_decode* pDec = (ra8lbr_decode *)pDecode; + *pSampleRate = pDec->ulSampleRate; + + return HXR_OK; +} + +HX_RESULT +ra8lbr_decode_getdelay(void* pDecode, + UINT32* pNumSamples) +{ + ra8lbr_decode* pDec = (ra8lbr_decode *)pDecode; + /* delay compensation is handled internally */ + *pNumSamples = 0; + + return HXR_OK; +} + +HX_RESULT +ra8lbr_decode_close(void* pDecode, + void* pUserMem, + rm_free_func_ptr fpFree) +{ + ra8lbr_decode* pDec = (ra8lbr_decode *)pDecode; + /* free the ra8lbr decoder */ + if (pDec->pDecoder) { + Gecko2FreeDecoder(pDec->pDecoder); + } + /* free the dummy input buffer */ + if (pDec->pFlushData) { + fpFree(pUserMem, pDec->pFlushData); + } + /* free the ra8lbr backend */ + fpFree(pUserMem, pDec); + + return HXR_OK; +} + +HX_RESULT +ra8lbr_unpack_opaque_data(ra8lbr_data* pData, + UINT8* pBuf, + UINT32 ulLength) +{ + HX_RESULT retVal = HXR_FAIL; + UINT8* off = pBuf; + + if (pBuf != HXNULL && ulLength != 0) { + retVal = HXR_OK; + + pData->version = ((INT32) * off++) << 24; + pData->version |= ((INT32) * off++) << 16; + pData->version |= ((INT32) * off++) << 8; + pData->version |= ((INT32) * off++); + + pData->nSamples = *off++ << 8; + pData->nSamples |= *off++; + + pData->nRegions = *off++ << 8; + pData->nRegions |= *off++; + //printk("version %d, sample per frame %d \n",pData->version,pData->nSamples); + if (pData->version >= GECKO_VERSION) { + pData->delay = ((INT32) * off++) << 24; + pData->delay |= ((INT32) * off++) << 16; + pData->delay |= ((INT32) * off++) << 8; + pData->delay |= ((INT32) * off++); + + pData->cplStart = *off++ << 8; + pData->cplStart |= *off++; + + pData->cplQBits = *off++ << 8; + pData->cplQBits |= *off++; + } else { + /* the fixed point ra8lbr decoder supports dual-mono decoding with + a single decoder instance if cplQBits is set to zero. */ + pData->cplStart = 0; + pData->cplQBits = 0; + } + + if (pData->version == GECKO_MC1_VERSION) { + pData->channelMask = ((INT32) * off++) << 24; + pData->channelMask |= ((INT32) * off++) << 16; + pData->channelMask |= ((INT32) * off++) << 8; + pData->channelMask |= ((INT32) * off++); + } + } + + return retVal; +} diff --git a/audio_codec/libcook/ra8lbr_decode.h b/audio_codec/libcook/ra8lbr_decode.h new file mode 100644 index 0000000..ef39e6f --- a/dev/null +++ b/audio_codec/libcook/ra8lbr_decode.h @@ -0,0 +1,161 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ra8lbr_decode.h,v 1.2.2.1 2005/05/04 18:21:53 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RA8LBR_DECODE_H +#define RA8LBR_DECODE_H + +#include "helix_types.h" +#include "helix_result.h" +#include "ra_decode.h" + + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* ra8lbr decode struct */ + typedef struct ra8lbr_decode_struct { + void* pDecoder; + UINT32 ulNumChannels; + UINT32 ulChannelMask; + UINT32 ulFrameSize; + UINT32 ulFramesPerBlock; + UINT32 ulSamplesPerFrame; + UINT32 ulSampleRate; + UINT32 ulDelayFrames; + UINT32 ulDelayRemaining; + UINT32 ulFramesToConceal; + UCHAR* pFlushData; + } ra8lbr_decode; + + /* ra8lbr opaque data struct */ + typedef struct ra8lbr_data_struct { + INT32 version; + INT16 nSamples; + INT16 nRegions; + INT32 delay; + UINT16 cplStart ; + UINT16 cplQBits ; + INT32 channelMask ; + } ra8lbr_data; + + /* ra8lbr decode interface */ + + /* + * ra8lbr_decode_init + */ + HX_RESULT ra8lbr_decode_init(void* pInitParams, + UINT32 ulInitParamsSize, + ra_format_info* pStreamInfo, + void** pDecode, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* + * ra8lbr_decode_reset + */ + HX_RESULT ra8lbr_decode_reset(void* pDecode, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut); + + /* + * ra8lbr_decode_conceal + */ + HX_RESULT ra8lbr_decode_conceal(void* pDecode, + UINT32 ulNumSamples); + + /* + * ra8lbr_decode_decode + */ + HX_RESULT ra8lbr_decode_decode(void* pDecode, + UINT8* pData, + UINT32 ulNumBytes, + UINT32* pNumBytesConsumed, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut, + UINT32 ulFlags, + UINT32 ulTimeStamp); + + /* + * ra8lbr_decode_getmaxsize + */ + HX_RESULT ra8lbr_decode_getmaxsize(void* pDecode, + UINT32* pNumSamples); + + /* + * ra8lbr_decode_getchannels + */ + HX_RESULT ra8lbr_decode_getchannels(void* pDecode, + UINT32* pNumChannels); + + /* + * ra8lbr_decode_getchannelmask + */ + HX_RESULT ra8lbr_decode_getchannelmask(void* pDecode, + UINT32* pChannelMask); + + /* + * ra8lbr_decode_getrate + */ + HX_RESULT ra8lbr_decode_getrate(void* pDecode, + UINT32* pSampleRate); + + /* + * ra8lbr_decode_getdelay + */ + HX_RESULT ra8lbr_decode_getdelay(void* pDecode, + UINT32* pNumSamples); + + /* + * ra8lbr_decode_close + */ + HX_RESULT ra8lbr_decode_close(void* pDecode, + void* pUserMem, + rm_free_func_ptr fpFree); + + HX_RESULT ra8lbr_unpack_opaque_data(ra8lbr_data* pData, + UINT8* pBuf, + UINT32 ulLength); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RA8LBR_DECODE_H */ diff --git a/audio_codec/libcook/ra_backend.h b/audio_codec/libcook/ra_backend.h new file mode 100644 index 0000000..d351c5b --- a/dev/null +++ b/audio_codec/libcook/ra_backend.h @@ -0,0 +1,94 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ra_backend.h,v 1.2.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RA_BACKEND_H__ +#define RA_BACKEND_H__ + +/* Unified RealAudio decoder backend interface */ + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "ra_format_info.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* ra decoder backend interface */ + + typedef HX_RESULT(*ra_decode_init_func_ptr)(void* pInitParams, + UINT32 ulInitParamsSize, + ra_format_info* pStreamInfo, + void** pDecode, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + typedef HX_RESULT(*ra_decode_reset_func_ptr)(void* pDecode, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut); + typedef HX_RESULT(*ra_decode_conceal_func_ptr)(void* pDecode, + UINT32 ulNumSamples); + typedef HX_RESULT(*ra_decode_decode_func_ptr)(void* pDecode, + UINT8* pData, + UINT32 ulNumBytes, + UINT32* pNumBytesConsumed, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut, + UINT32 ulFlags, + UINT32 ulTimeStamp); + typedef HX_RESULT(*ra_decode_getmaxsize_func_ptr)(void* pDecode, + UINT32* pNumSamples); + typedef HX_RESULT(*ra_decode_getchannels_func_ptr)(void* pDecode, + UINT32* pNumChannels); + typedef HX_RESULT(*ra_decode_getchannelmask_func_ptr)(void* pDecode, + UINT32* pChannelMask); + typedef HX_RESULT(*ra_decode_getrate_func_ptr)(void* pDecode, + UINT32* pSampleRate); + typedef HX_RESULT(*ra_decode_getdelay_func_ptr)(void* pDecode, + UINT32* pNumSamples); + typedef HX_RESULT(*ra_decode_close_func_ptr)(void* pDecode, + void* pUserMem, + rm_free_func_ptr fpFree); + +#ifdef __cplusplus +} +#endif + +#endif /* RA_BACKEND_H__ */ diff --git a/audio_codec/libcook/ra_bitpack.c b/audio_codec/libcook/ra_bitpack.c new file mode 100644 index 0000000..d9181db --- a/dev/null +++ b/audio_codec/libcook/ra_bitpack.c @@ -0,0 +1,197 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: bitpack.c,v 1.6 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * bitpack.c - bitstream parsing functions + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +const unsigned char pkkey[4] = { 0x37, 0xc5, 0x11, 0xf2 }; + +/************************************************************************************** + * Function: GetBits + * + * Description: get bits from bitstream, optionally advance bitstream pointer + * + * Inputs: pointer to initialized BitStreamInfo struct + * number of bits to get from bitstream + * flag to indicate whether to advance bitstream pointer or not + * + * Outputs: updated bitstream info struct (if advanceFlag set) + * + * Return: the next nBits bits of data from bitstream buffer (right-justified) + * + * Notes: nBits must be in range [0, 31], nBits outside this range masked by 0x1f + * for speed, does not indicate error if you overrun bit buffer + * if nBits = 0, returns 0 + * applies XOR key when reading (rather than using out-of-place buffer) + * reads byte-at-a-time (not cached 32-bit ints) so not designed to be + * especially fast (i.e. handy for Huffman decoding of a few symbols, + * but not optimal for decoding long sequences of codewords) + **************************************************************************************/ +unsigned int GetBits(BitStreamInfo *bsi, int nBits, int advanceFlag) +{ + int readBits, off, key, nBytes; + unsigned int data; + unsigned char *buf; + + nBits &= 0x1f; + if (!nBits) { + return 0; + } + + buf = bsi->buf; + off = bsi->off; + key = bsi->key; + + /* first, partial byte */ + data = ((unsigned int)(*buf++ ^ pkkey[key++])) << (24 + off); + key &= 0x03; + readBits = 8 - off; + + /* whole bytes */ + while (readBits < nBits && readBits <= 24) { + data |= ((unsigned int)(*buf++ ^ pkkey[key++])) << (24 - readBits); + key &= 0x03; + readBits += 8; + } + + /* final, partial byte (no need to update local key and readBits) */ + if (readBits < nBits) { + data |= ((unsigned int)(*buf++ ^ pkkey[key])) >> (readBits - 24); + } + + if (advanceFlag) { + nBytes = (bsi->off + nBits) >> 3; + bsi->buf += nBytes; + bsi->off = (bsi->off + nBits) & 0x07; + bsi->key = (bsi->key + nBytes) & 0x03; + } + + return (data >> (32 - nBits)); +} + +/************************************************************************************** + * Function: AdvanceBitstream + * + * Description: move bitstream pointer ahead + * + * Inputs: pointer to initialized BitStreamInfo struct + * number of bits to advance bitstream + * + * Outputs: updated bitstream info struct + * + * Return: none + * + * Notes: generally use following a GetBits(bsi, maxBits, 0) (i.e. no advance) + **************************************************************************************/ +void AdvanceBitstream(BitStreamInfo *bsi, int nBits) +{ + int nBytes; + + nBytes = (bsi->off + nBits) >> 3; + bsi->buf += nBytes; + bsi->off = (bsi->off + nBits) & 0x07; + bsi->key = (bsi->key + nBytes) & 0x03; +} + +/************************************************************************************** + * Function: DecodeSideInfo + * + * Description: parse bitstream and decode gain info, coupling info, power envelope, + * and categorization code + * + * Inputs: pointer to initialized Gecko2Info struct + * pointer to bitstream buffer (byte-aligned) + * number of bits available in buf + * channel index + * + * Outputs: filled-in dgainc structs, channel coupling indices (if joint stereo), + * power envelope index for each region, + * and rate code (selected categorization) + * + * Return: number of bits remaining in bitstream, -1 if out-of-bits + * + * Notes: encoder guarantees that gain, couple, envelope, and rateCode do + * not run out of bits + **************************************************************************************/ +int DecodeSideInfo(Gecko2Info *gi, unsigned char *buf, int availbits, int ch) +{ + BitStreamInfo *bsi = &(gi->bsi); + + /* init bitstream reader */ + bsi->buf = buf; + bsi->off = 0; + bsi->key = 0; + + /* decode gain info */ + availbits = DecodeGainInfo(gi, &(gi->dgainc[ch][1]), availbits); + if (availbits < 0) { + return -1; + } + + /* replicate gain control and decode coupling info, if joint stereo */ + if (gi->jointStereo) { + ASSERT(ch == 0); + CopyGainInfo(&gi->dgainc[1][1], &gi->dgainc[0][1]); + availbits = DecodeCoupleInfo(gi, availbits); + if (availbits < 0) { + return -1; + } + } + + /* decode power envelope (return error if runs out of bits) */ + availbits = DecodeEnvelope(gi, availbits, ch); + if (availbits < 0) { + return -1; + } + + /* decode rate code (return error if runs out of bits) */ + if (availbits < gi->rateBits) { + return -1; + } + gi->rateCode = GetBits(bsi, gi->rateBits, 1); + availbits -= gi->rateBits; + + return availbits; +} diff --git a/audio_codec/libcook/ra_buffers.c b/audio_codec/libcook/ra_buffers.c new file mode 100644 index 0000000..28aea79 --- a/dev/null +++ b/audio_codec/libcook/ra_buffers.c @@ -0,0 +1,127 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: buffers.c,v 1.2 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * buffers.c - allocation and freeing of internal RA8 decoder buffers + * + * All memory allocation for the codec is done in this file, so if you want + * to use something other the default malloc() and free() this is the only file + * you'll need to change. + **************************************************************************************/ + +//#include "includes.h" +#include +#include +#include +#include +#include "coder.h" + +/************************************************************************************** + * Function: ClearBuffer + * + * Description: fill buffer with 0's + * + * Inputs: pointer to buffer + * number of bytes to fill with 0 + * + * Outputs: cleared buffer + * + * Return: none + * + * Notes: slow, platform-independent equivalent to memset(buf, 0, nBytes) + **************************************************************************************/ +static void ClearBuffer(void *buf, int nBytes) +{ + int i; + unsigned char *cbuf = (unsigned char *)buf; + + //for (i = 0; i < nBytes; i++) + // cbuf[i] = 0; + memset(cbuf, 0, nBytes); + return; +} + +/************************************************************************************** + * Function: AllocateBuffers + * + * Description: allocate all the memory needed for the RA8 decoder + * + * Inputs: none + * + * Outputs: none + * + * Return: pointer to Gecko2Info structure, set to all 0's + **************************************************************************************/ +Gecko2Info *AllocateBuffers(void) +{ + Gecko2Info *gi; + + /* create new Gecko2Info structure */ + gi = (Gecko2Info *)malloc(sizeof(Gecko2Info)); + if (!gi) { + return 0; + } + ClearBuffer(gi, sizeof(Gecko2Info)); + + return gi; +} + +#define SAFE_FREE(x) {if (x) free(x); (x) = 0;} /* helper macro */ + +/************************************************************************************** + * Function: FreeBuffers + * + * Description: free all the memory used by the RA8 decoder + * + * Inputs: pointer to initialized Gecko2Info structure + * + * Outputs: none + * + * Return: none + **************************************************************************************/ +void FreeBuffers(Gecko2Info *gi) +{ + if (!gi) { + return; + } + + SAFE_FREE(gi); +} diff --git a/audio_codec/libcook/ra_category.c b/audio_codec/libcook/ra_category.c new file mode 100644 index 0000000..4412eb6 --- a/dev/null +++ b/audio_codec/libcook/ra_category.c @@ -0,0 +1,298 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: category.c,v 1.4 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Ken Cooke (kenc@real.com), Jon Recker (jrecker@real.com) + * October 2003 + * + * category.c - derivation of categorization (i.e. quantizer settings) for each frame + * + * This is Ken's super-fast version + * - uses incrementally updated heaps + * - 3x speedup vs. original + * + * Discussion of calculating the categories: + * This is a symmetrical operation, so the decoder goes through + * the same process as the encoder when computing the categorizations. + * The decoder first calculates a max bits/fine quantizer initial + * categorization based on a perceptual masking model. Then it + * builds them all and chooses the one given by rateCode, + * which is extracted from the bitstream. + * + * rmsIndex[i] is the RMS power of region i + * NCATZNS = (1 << RATEBITS) = max number of categorizations we can try + * + * cat runs from 0 to 7. Lower number means finer quantization. + * expbits_tab[i] tells us how many bits we should expect to spend + * coding a region with cat = i + **************************************************************************************/ + +#include "coder.h" + +/* heap indexing, where heap[1] is root */ +#define PARENT(i) ((i) >> 1) +#define LCHILD(i) ((i) << 1) +#define RCHILD(i) (LCHILD(i)+1) + +static const int expbits_tab[8] = { 52, 47, 43, 37, 29, 22, 16, 0 }; + +/************************************************************************************** + * Function: CategorizeAndExpand + * + * Description: derive the quantizer setting for each region, based on decoded power + * envelope, number of bits available, and rateCode index + * + * Inputs: pointer to initialized Gecko2Info struct + * number of bits remaining in bitstream for this frame + * + * Outputs: catbuf[], which contains the correct quantizer index (cat) for each + * region, based on the rateCode read from bitstream + * + * Return: none + **************************************************************************************/ +void CategorizeAndExpand(Gecko2Info *gi, int availbits) +{ + int r, n, k, val; + int offset, delta, cat; + int expbits, maxbits, minbits; + int maxptr, minptr; + int nminheap = 0, nmaxheap = 0; + int *cp; + int *maxcat = gi->db.maxcat; + int *mincat = gi->db.mincat; + int *changes = gi->db.changes; + int *maxheap = gi->db.maxheap; + int *minheap = gi->db.minheap; + int *rmsIndex = gi->db.rmsIndex; + int *catbuf = gi->db.catbuf; + int rateCode = gi->rateCode; + + /* it's okay not to zero-init maxheap/minheap[1 ... MAXCREGN] + * we don't read maxheap/minheap[1+] without putting something in them first + */ + maxheap[0] = 0x7fffffff; /* upheap sentinel */ + minheap[0] = 0x80000000; /* upheap sentinel */ + + /* Hack to compensate for different statistics at higher bits/sample */ + if (availbits > gi->nSamples) { + availbits = gi->nSamples + ((availbits - gi->nSamples) * 5 / 8); + } + /* + * Initial categorization. + * + * This attempts to assigns categories to regions using + * a simple approximation of perceptual masking. + * Offset is chosen via binary search for desired bits. + */ + offset = -32; /* start with minimum offset */ + for (delta = 32; delta > 0; delta >>= 1) { + + expbits = 0; + for (r = 0; r < gi->cRegions; r++) { + + /* Test categorization at (offset+delta) */ + cat = (offset + delta - rmsIndex[r]) / 2; + if (cat < 0) { + cat = 0; /* clip */ + } + if (cat > 7) { + cat = 7; /* clip */ + } + expbits += expbits_tab[cat]; /* tally expected bits */ + } + /* Find largest offset such that (expbits >= availbits-32) */ + if (expbits >= availbits - 32) { /* if still over budget, */ + offset += delta; /* choose increased offset */ + } + } + + /* Use the selected categorization */ + expbits = 0; + for (r = 0; r < gi->cRegions; r++) { + cat = (offset - rmsIndex[r]) / 2; + if (cat < 0) { + cat = 0; /* clip */ + } + if (cat > 7) { + cat = 7; /* clip */ + } + expbits += expbits_tab[cat]; + mincat[r] = cat; /* init */ + maxcat[r] = cat; /* init */ + + val = offset - rmsIndex[r] - 2 * cat; + val = (val << 16) | r; /* max favors high r, min favors low r */ + + /* build maxheap */ + if (cat < 7) { + /* insert at heap[N+1] */ + k = ++nmaxheap; + maxheap[k] = val; + /* upheap */ + while (val > maxheap[PARENT(k)]) { + maxheap[k] = maxheap[PARENT(k)]; + k = PARENT(k); + } + maxheap[k] = val; + } + + /* build minheap */ + if (cat > 0) { + /* insert at heap[N+1] */ + k = ++nminheap; + minheap[k] = val; + /* upheap */ + while (val < minheap[PARENT(k)]) { + minheap[k] = minheap[PARENT(k)]; + k = PARENT(k); + } + minheap[k] = val; + } + } + + /* init */ + minbits = expbits; + maxbits = expbits; + minptr = gi->nCatzns; /* grows up, post-increment */ + maxptr = gi->nCatzns; /* grows down, pre-decrement */ + + /* + * Derive additional categorizations. + * + * Each new categorization differs from the last in a single region, + * where the categories differ by one, and are ordered by decreasing + * expected bits. + */ + for (n = 1; n < gi->nCatzns; n++) { + /* Choose whether new cat should have larger/smaller bits */ + + if (maxbits + minbits <= 2 * availbits) { + /* if average is low, add one with more bits */ + if (!nminheap) { + /* printf("all quants at min\n"); */ + break; + } + r = minheap[1] & 0xffff; + + /* bump the chosen region */ + changes[--maxptr] = r; /* add to change list */ + maxbits -= expbits_tab[maxcat[r]]; /* sub old bits */ + maxcat[r] -= 1; /* dec category */ + maxbits += expbits_tab[maxcat[r]]; /* add new bits */ + + /* update heap[1] */ + k = 1; + if (maxcat[r] == 0) { + minheap[k] = minheap[nminheap--]; /* remove */ + } else { + minheap[k] += (2 << 16); /* update */ + } + + /* downheap */ + val = minheap[k]; + while (k <= PARENT(nminheap)) { + int child = LCHILD(k); + int right = RCHILD(k); + if ((right <= nminheap) && (minheap[right] < minheap[child])) { + child = right; + } + if (val < minheap[child]) { + break; + } + minheap[k] = minheap[child]; + k = child; + } + minheap[k] = val; + + } else { + /* average is high, add one with less bits */ + if (!nmaxheap) { + /* printf("all quants at max\n"); */ + break; + } + r = maxheap[1] & 0xffff; + + /* bump the chosen region */ + changes[minptr++] = r; /* add to change list */ + minbits -= expbits_tab[mincat[r]]; /* sub old bits */ + mincat[r] += 1; /* inc category */ + minbits += expbits_tab[mincat[r]]; /* add new bits */ + + /* update heap[1] */ + k = 1; + if (mincat[r] == 7) { + maxheap[k] = maxheap[nmaxheap--]; /* remove */ + } else { + maxheap[k] -= (2 << 16); /* update */ + } + + /* downheap */ + val = maxheap[k]; + while (k <= PARENT(nmaxheap)) { + int child = LCHILD(k); + int right = RCHILD(k); + if ((right <= nmaxheap) && (maxheap[right] > maxheap[child])) { + child = right; + } + if (val > maxheap[child]) { + break; + } + maxheap[k] = maxheap[child]; + k = child; + } + maxheap[k] = val; + } + } + + /* largest categorization */ + for (r = 0; r < gi->cRegions; r++) { + catbuf[r] = maxcat[r]; + } + + /* make sure rateCode is not greater than number of changes in list */ + ASSERT(rateCode <= (minptr - maxptr)); + + /* expand categories using change list, starting at max cat + * we change one region at a time (cat++ = coarser quantizer) + */ + cp = &changes[maxptr]; + while (rateCode--) { + catbuf[*cp++] += 1; + } + +} diff --git a/audio_codec/libcook/ra_couple.c b/audio_codec/libcook/ra_couple.c new file mode 100644 index 0000000..1f53c45 --- a/dev/null +++ b/audio_codec/libcook/ra_couple.c @@ -0,0 +1,224 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: couple.c,v 1.6 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * couple.c - joint stereo processing + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +/* coupling band widths, based on Zwicker critical-bandwidth */ +const int cplband[MAXREGNS] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, + 11, 11, + 12, 12, + 13, 13, + 14, 14, 14, + 15, 15, 15, 15, + 16, 16, 16, 16, 16, + 17, 17, 17, 17, 17, 17, + 18, 18, 18, 18, 18, 18, 18, + 19, 19, 19, 19, 19, 19, 19, 19, 19 +}; + +/* Lookup tables for reconstructed scaling factors - format = Q31 */ +static const int cplScale[3 + 7 + 15 + 31 + 63] = { + + /* cplScale2[3] */ + 0x79fc945f, 0x5a82799a, 0x26c59af8, + + /* cplScale3[7] */ + 0x7d9a93a4, 0x77ef8978, 0x701e9f27, 0x5a82799a, + 0x3dc04491, 0x2cb7094c, 0x18a6b4ed, + + /* cplScale4[15] */ + 0x7ee90962, 0x7c936c4f, 0x79fc9465, 0x770e9d8f, + 0x73a45b28, 0x6f749c4e, 0x69c04836, 0x5a82799a, + 0x481dac45, 0x3ef11955, 0x36df3415, 0x2f011d16, + 0x26c59ae8, 0x1d688afa, 0x10aaa6fd, + + /* cplScale5[31] */ + 0x7f7a8410, 0x7e66f9cf, 0x7d46e886, 0x7c18c36e, + 0x7adaa745, 0x798a3db9, 0x78249362, 0x76a5d7e1, + 0x7508f83e, 0x7346f452, 0x7155abbc, 0x6f257fbd, + 0x6c9c00f0, 0x6985577e, 0x655acbf3, 0x5a82799a, + 0x4e2ca29a, 0x4873cee8, 0x43bc1a9b, 0x3f7c6426, + 0x3b7ddcf1, 0x37a26159, 0x33d59802, 0x30072e43, + 0x2c27c13f, 0x28266a5d, 0x23edbab6, 0x1f5e6927, + 0x1a42fec7, 0x14294028, 0x0b8ab0db, + + /* cplScale6[63] */ + 0x7fbea8be, 0x7f39f9ab, 0x7eb28121, 0x7e281805, + 0x7d9a93a8, 0x7d09c543, 0x7c75796f, 0x7bdd7778, + 0x7b418090, 0x7aa14ee1, 0x79fc9466, 0x7952f983, + 0x78a41b51, 0x77ef897b, 0x7734c38d, 0x76733593, + 0x75aa33b1, 0x74d8f46c, 0x73fe8908, 0x7319d333, + 0x722976ad, 0x712bc4eb, 0x701e9f29, 0x6eff48fd, + 0x6dca2025, 0x6c7a2377, 0x6b081945, 0x6968e250, + 0x6789b6cc, 0x6545d976, 0x623e1923, 0x5a82799a, + 0x520d1a91, 0x4e47c3aa, 0x4b4243b5, 0x489d2fc3, + 0x46338b6a, 0x43f2498b, 0x41cdfe96, 0x3fbf1c82, + 0x3dc0448d, 0x3bcd6c20, 0x39e361f6, 0x37ff83c3, + 0x361f8e06, 0x34417ac7, 0x326368ee, 0x3083887b, + 0x2ea0091f, 0x2cb70944, 0x2ac683d0, 0x28cc3a99, + 0x26c59ae4, 0x24af97f2, 0x22867502, 0x20457311, + 0x1de64c41, 0x1b604f6f, 0x18a6b4dc, 0x15a521e0, + 0x1237205d, 0x0e0d0479, 0x08144f82 +}; + +static const int cplScaleOffset[7] = { 0, 0, 0, 3, 10, 25, 56}; + + +/************************************************************************************** + * Function: DecodeCoupleInfo + * + * Description: decode indices for joint stereo scale factors + * + * Inputs: pointer to initialized Gecko2Info struct + * number of bits remaining in bitstream for this frame + * + * Outputs: filled-in cplindex[] buffer, with one index per coupling band + * + * Return: number of bits remaining in bitstream, -1 if out-of-bits + * + * Notes: couple index info can either be direct-coded or Huffman-coded + **************************************************************************************/ +int DecodeCoupleInfo(Gecko2Info *gi, int availbits) +{ + int bandstart = cplband[gi->cplStart]; + int bandend = cplband[gi->nRegions - 1]; + int hufmode, nbits, b, cache; + int *cplindex = gi->db.cplindex; + BitStreamInfo *bsi = &(gi->bsi); + + if (availbits < 1) { + return -1; + } + + /* one-bit flag indicating Huffman or direct coding */ + hufmode = GetBits(bsi, 1, 1); + availbits--; + + if (hufmode) { + /* HUFFMAN */ + for (b = bandstart; b <= bandend; b++) { + cache = GetBits(bsi, MAX_HUFF_BITS, 0); + nbits = DecodeHuffmanScalar(huffTabCouple, &huffTabCoupleInfo[gi->cplQbits - HUFFTAB_COUPLE_OFFSET], cache, cplindex + b); + if (nbits > availbits) { + return -1; + } + availbits -= nbits; + AdvanceBitstream(bsi, nbits); + } + } else { + /* DIRECT */ + if (availbits < gi->cplQbits * (bandend - bandstart + 1)) { + return -1; + } + for (b = bandstart; b <= bandend; b++) { + cplindex[b] = GetBits(bsi, gi->cplQbits, 1); + availbits -= gi->cplQbits; + } + } + + return availbits; +} + +/************************************************************************************** + * Function: JointDecodeMLT + * + * Description: decode the jointly-coded MLT + * + * Inputs: pointer to initialized Gecko2Info struct + * mltleft[0, ... , cplStart-1] has non-coupled coefficients for left + * mltrght[0, ... , cplStart-1] has non-coupled coefficients for right + * mltleft[cplStart, ... , cRegions] has coupled coefficients + * + * Outputs: mltleft[0, ... , nRegions-1] has reconstructed coefficients for left + * mltrght[0, ... , nRegions-1] has reconstructed coefficients for right + * + * Return: none + **************************************************************************************/ +void JointDecodeMLT(Gecko2Info *gi, int *mltleft, int *mltrght) +{ + int scaleleft, scalerght; + int i, r, q; + int cplquant, cploffset; + int *cplindex = gi->db.cplindex; + + cplquant = (1 << gi->cplQbits) - 1; /* quant levels */ + cploffset = cplScaleOffset[gi->cplQbits]; + + /* reconstruct the stereo channels */ + for (r = gi->cplStart; r < gi->nRegions; r++) { + + /* + * dequantize the expanded coupling ratio + * expand = (q - (cplquant>>1)) * (2.0f/cplquant); + * + * square-law compression + * ratio = sqrt(fabs(expand)); + * if (expand < 0.0f) ratio = -ratio; + * + * reconstruct the scaling factors + * scaleleft = sqrt(0.5f - 0.5f * ratio); + * scalerght = sqrt(0.5f + 0.5f * ratio); + */ + q = cplindex[cplband[r]]; + scaleleft = cplScale[cploffset + q]; + scalerght = cplScale[cploffset + cplquant - 1 - q]; + + /* drop extra sign bit (max gain = 0.998) */ + for (i = 0; i < NBINS; i++) { + mltrght[NBINS * r + i] = MULSHIFT32(scalerght, mltleft[NBINS * r + i]) << 1; + mltleft[NBINS * r + i] = MULSHIFT32(scaleleft, mltleft[NBINS * r + i]) << 1; + } + } + + /* set non-coded regions to zero */ + for (i = gi->nRegions * NBINS; i < gi->nSamples; i++) { + mltleft[i] = 0; + mltrght[i] = 0; + } + + return; +} diff --git a/audio_codec/libcook/ra_decode.c b/audio_codec/libcook/ra_decode.c new file mode 100644 index 0000000..36322b6 --- a/dev/null +++ b/audio_codec/libcook/ra_decode.c @@ -0,0 +1,321 @@ +#include +#include "helix_types.h" +#include "helix_result.h" +#include "ra_decode.h" +#include "rm_memory.h" +#include "rm_error.h" +#include "rm_memory_default.h" + +//#include "ra8hbr_decode.h" +#include "ra8lbr_decode.h" +//#include "sipro_decode.h" +#include "aac_decode.h" +#include +//#include + +/* ra_decode_create() + * Creates RA decoder frontend struct, copies memory utilities. + * Returns struct pointer on success, NULL on failure. */ +ra_decode* +ra_decode_create(void* pUserError, + rm_error_func_ptr fpError) +{ + return ra_decode_create2(pUserError, + fpError, + HXNULL, + rm_memory_default_malloc, + rm_memory_default_free); +} + +ra_decode* +ra_decode_create2(void* pUserError, + rm_error_func_ptr fpError, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + ra_decode* pRet = HXNULL; + + if (fpMalloc && fpFree) { + pRet = (ra_decode*) fpMalloc(pUserMem, sizeof(ra_decode)); + + if (pRet) { + /* Zero out the struct */ + memset((void*) pRet, 0, sizeof(ra_decode)); + /* Assign the error function */ + pRet->fpError = fpError; + pRet->pUserError = pUserError; + /* Assign the memory functions */ + pRet->fpMalloc = fpMalloc; + pRet->fpFree = fpFree; + pRet->pUserMem = pUserMem; + } + } + + return pRet; +} + +/* ra_decode_destroy() + * Deletes the decoder backend and frontend instances. */ +void +ra_decode_destroy(ra_decode* pFrontEnd) +{ + rm_free_func_ptr fpFree; + void* pUserMem; + + if (pFrontEnd && pFrontEnd->fpFree) { + /* Save a pointer to fpFree and pUserMem */ + fpFree = pFrontEnd->fpFree; + pUserMem = pFrontEnd->pUserMem; + + if (pFrontEnd->pDecode && pFrontEnd->fpClose) { + /* Free the decoder instance and backend */ + pFrontEnd->fpClose(pFrontEnd->pDecode, + pUserMem, + fpFree); + } + + /* Free the ra_decode struct memory */ + fpFree(pUserMem, pFrontEnd); + } +} + +/* ra_decode_init() + * Selects decoder backend with fourCC code. + * Calls decoder backend init function with init params. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_init(ra_decode* pFrontEnd, + UINT32 ulFourCC, + void* pInitParams, + UINT32 ulInitParamsSize, + ra_format_info* pStreamInfo) +{ + HX_RESULT retVal = HXR_OK; + + /* Assign the backend function pointers */ + if (ulFourCC == 0x636F6F6B) { /* 'cook' */ + pFrontEnd->fpInit = ra8lbr_decode_init; + pFrontEnd->fpReset = ra8lbr_decode_reset; + pFrontEnd->fpConceal = ra8lbr_decode_conceal; + pFrontEnd->fpDecode = ra8lbr_decode_decode; + pFrontEnd->fpGetMaxSize = ra8lbr_decode_getmaxsize; + pFrontEnd->fpGetChannels = ra8lbr_decode_getchannels; + pFrontEnd->fpGetChannelMask = ra8lbr_decode_getchannelmask; + pFrontEnd->fpGetSampleRate = ra8lbr_decode_getrate; + pFrontEnd->fpMaxSamp = ra8lbr_decode_getdelay; + pFrontEnd->fpClose = ra8lbr_decode_close; + } +#if 0 + else if (ulFourCC == 0x72616163 || /* 'raac' */ + ulFourCC == 0x72616370) { /* 'racp' */ + pFrontEnd->fpInit = aac_decode_init; + pFrontEnd->fpReset = aac_decode_reset; + pFrontEnd->fpConceal = aac_decode_conceal; + pFrontEnd->fpDecode = aac_decode_decode; + pFrontEnd->fpGetMaxSize = aac_decode_getmaxsize; + pFrontEnd->fpGetChannels = aac_decode_getchannels; + pFrontEnd->fpGetChannelMask = aac_decode_getchannelmask; + pFrontEnd->fpGetSampleRate = aac_decode_getrate; + pFrontEnd->fpMaxSamp = aac_decode_getdelay; + pFrontEnd->fpClose = aac_decode_close; + } +#endif +#if 0 + else if (ulFourCC == 0x61747263) { /* 'atrc' */ + pFrontEnd->fpInit = ra8hbr_decode_init; + pFrontEnd->fpReset = ra8hbr_decode_reset; + pFrontEnd->fpConceal = ra8hbr_decode_conceal; + pFrontEnd->fpDecode = ra8hbr_decode_decode; + pFrontEnd->fpGetMaxSize = ra8hbr_decode_getmaxsize; + pFrontEnd->fpGetChannels = ra8hbr_decode_getchannels; + pFrontEnd->fpGetChannelMask = ra8hbr_decode_getchannelmask; + pFrontEnd->fpGetSampleRate = ra8hbr_decode_getrate; + pFrontEnd->fpMaxSamp = ra8hbr_decode_getdelay; + pFrontEnd->fpClose = ra8hbr_decode_close; + } else if (ulFourCC == 0x73697072) { /* 'sipr' */ + pFrontEnd->fpInit = sipro_decode_init; + pFrontEnd->fpReset = sipro_decode_reset; + pFrontEnd->fpConceal = sipro_decode_conceal; + pFrontEnd->fpDecode = sipro_decode_decode; + pFrontEnd->fpGetMaxSize = sipro_decode_getmaxsize; + pFrontEnd->fpGetChannels = sipro_decode_getchannels; + pFrontEnd->fpGetChannelMask = sipro_decode_getchannelmask; + pFrontEnd->fpGetSampleRate = sipro_decode_getrate; + pFrontEnd->fpMaxSamp = sipro_decode_getdelay; + pFrontEnd->fpClose = sipro_decode_close; + } +#endif + else { + /* error - codec not supported */ + //printk(" cook decode: not supported fourcc\n"); + retVal = HXR_DEC_NOT_FOUND; + } + + if (retVal == HXR_OK && pFrontEnd && pFrontEnd->fpInit && pStreamInfo) { + retVal = pFrontEnd->fpInit(pInitParams, ulInitParamsSize, pStreamInfo, + &pFrontEnd->pDecode, pFrontEnd->pUserMem, + pFrontEnd->fpMalloc, pFrontEnd->fpFree); + } + + return retVal; +} + +/* ra_decode_reset() + * Calls decoder backend reset function. + * Depending on which codec is in use, *pNumSamplesOut samples may + * be flushed. After reset, the decoder returns to its initial state. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_reset(ra_decode* pFrontEnd, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpReset) { + retVal = pFrontEnd->fpReset(pFrontEnd->pDecode, pSamplesOut, + ulNumSamplesAvail, pNumSamplesOut); + } + + return retVal; +} + +/* ra_decode_conceal() + * Calls decoder backend conceal function. + * On successive calls to ra_decode_decode(), the decoder will attempt + * to conceal ulNumSamples. No input data should be sent while concealed + * frames are being produced. Once the decoder has exhausted the concealed + * samples, it can proceed normally with decoding valid input data. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_conceal(ra_decode* pFrontEnd, + UINT32 ulNumSamples) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpConceal) { + retVal = pFrontEnd->fpConceal(pFrontEnd->pDecode, ulNumSamples); + } + + return retVal; +} + +/* ra_decode_decode() + * Calls decoder backend decode function. + * pData : input data (compressed frame). + * ulNumBytes : input data size in bytes. + * pNumBytesConsumed : amount of input data consumed by decoder. + * pSamplesOut : output data (uncompressed frame). + * ulNumSamplesAvail : size of output buffer. + * pNumSamplesOut : amount of ouput data produced by decoder. + * ulFlags : control flags for decoder. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_decode(ra_decode* pFrontEnd, + UINT8* pData, + UINT32 ulNumBytes, + UINT32* pNumBytesConsumed, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut, + UINT32 ulFlags, + UINT32 ulTimeStamp) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpDecode) { + retVal = pFrontEnd->fpDecode(pFrontEnd->pDecode, pData, ulNumBytes, + pNumBytesConsumed, pSamplesOut, + ulNumSamplesAvail, pNumSamplesOut, ulFlags, ulTimeStamp); + } + + return retVal; +} + + +/**************** Accessor Functions *******************/ +/* ra_decode_getmaxsize() + * pNumSamples receives the maximum number of samples produced + * by the decoder in response to a call to ra_decode_decode(). + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_getmaxsize(ra_decode* pFrontEnd, + UINT32* pNumSamples) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpGetMaxSize) { + retVal = pFrontEnd->fpGetMaxSize(pFrontEnd->pDecode, pNumSamples); + } + + return retVal; +} + +/* ra_decode_getchannels() + * pNumChannels receives the number of audio channels in the bitstream. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_getchannels(ra_decode* pFrontEnd, + UINT32* pNumChannels) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpGetChannels) { + retVal = pFrontEnd->fpGetChannels(pFrontEnd->pDecode, pNumChannels); + } + + return retVal; +} + +/* ra_decode_getchannelmask() + * pChannelMask receives the 32-bit mapping of the audio output channels. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_getchannelmask(ra_decode* pFrontEnd, + UINT32* pChannelMask) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpGetChannelMask) { + retVal = pFrontEnd->fpGetChannelMask(pFrontEnd->pDecode, pChannelMask); + } + + return retVal; +} + +/* ra_decode_getrate() + * pSampleRate receives the sampling rate of the output samples. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_getrate(ra_decode* pFrontEnd, + UINT32* pSampleRate) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpGetSampleRate) { + retVal = pFrontEnd->fpGetSampleRate(pFrontEnd->pDecode, pSampleRate); + } + + return retVal; +} + +/* ra_decode_getdelay() + * pNumSamples receives the number of invalid output samples + * produced by the decoder at startup. + * If non-zero, it is up to the user to discard these samples. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_getdelay(ra_decode* pFrontEnd, + UINT32* pNumSamples) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpMaxSamp) { + retVal = pFrontEnd->fpMaxSamp(pFrontEnd->pDecode, pNumSamples); + } + + return retVal; +} + diff --git a/audio_codec/libcook/ra_decode.h b/audio_codec/libcook/ra_decode.h new file mode 100644 index 0000000..b51ec0c --- a/dev/null +++ b/audio_codec/libcook/ra_decode.h @@ -0,0 +1,183 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ra_decode.h,v 1.2.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RA_DECODE_H +#define RA_DECODE_H + +/* Simple unified decoder frontend for RealAudio */ + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "rm_error.h" +#include "ra_format_info.h" +#include "ra_backend.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* The ra_decode struct contains the RealAudio decoder frontend + * function pointers and pointers to the backend. */ + + typedef struct ra_decode_struct { + void* pUserError; + rm_error_func_ptr fpError; + void* pUserMem; + rm_malloc_func_ptr fpMalloc; + rm_free_func_ptr fpFree; + + ra_decode_init_func_ptr fpInit; + ra_decode_reset_func_ptr fpReset; + ra_decode_conceal_func_ptr fpConceal; + ra_decode_decode_func_ptr fpDecode; + ra_decode_getmaxsize_func_ptr fpGetMaxSize; + ra_decode_getchannels_func_ptr fpGetChannels; + ra_decode_getchannelmask_func_ptr fpGetChannelMask; + ra_decode_getrate_func_ptr fpGetSampleRate; + ra_decode_getdelay_func_ptr fpMaxSamp; + ra_decode_close_func_ptr fpClose; + + void* pDecode; + } ra_decode; + + /* ra_decode_create() + * Creates RA decoder frontend struct, copies memory utilities. + * Returns struct pointer on success, NULL on failure. */ + ra_decode* ra_decode_create(void* pUserError, + rm_error_func_ptr fpError); + + ra_decode* ra_decode_create2(void* pUserError, + rm_error_func_ptr fpError, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* ra_decode_destroy() + * Deletes the decoder backend and frontend instances. */ + void ra_decode_destroy(ra_decode* pFrontEnd); + + /* ra_decode_init() + * Selects decoder backend with fourCC code. + * Calls decoder backend init function with init params. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_init(ra_decode* pFrontEnd, + UINT32 ulFourCC, + void* pInitParams, + UINT32 ulInitParamsSize, + ra_format_info* pStreamInfo); + + /* ra_decode_reset() + * Calls decoder backend reset function. + * Depending on which codec is in use, *pNumSamplesOut samples may + * be flushed. After reset, the decoder returns to its initial state. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_reset(ra_decode* pFrontEnd, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut); + + /* ra_decode_conceal() + * Calls decoder backend conceal function. + * On successive calls to ra_decode_decode(), the decoder will attempt + * to conceal ulNumSamples. No input data should be sent while concealed + * frames are being produced. Once the decoder has exhausted the concealed + * samples, it can proceed normally with decoding valid input data. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_conceal(ra_decode* pFrontEnd, + UINT32 ulNumSamples); + + /* ra_decode_decode() + * Calls decoder backend decode function. + * pData : input data (compressed frame). + * ulNumBytes : input data size in bytes. + * pNumBytesConsumed : amount of input data consumed by decoder. + * pSamplesOut : output data (uncompressed frame). + * ulNumSamplesAvail : size of output buffer. + * pNumSamplesOut : amount of ouput data produced by decoder. + * ulFlags : control flags for decoder. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_decode(ra_decode* pFrontEnd, + UINT8* pData, + UINT32 ulNumBytes, + UINT32* pNumBytesConsumed, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut, + UINT32 ulFlags, + UINT32 ulTimeStamp); + + + /**************** Accessor Functions *******************/ + /* ra_decode_getmaxsize() + * pNumSamples receives the maximum number of samples produced + * by the decoder in response to a call to ra_decode_decode(). + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_getmaxsize(ra_decode* pFrontEnd, + UINT32* pNumSamples); + + /* ra_decode_getchannels() + * pNumChannels receives the number of audio channels in the bitstream. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_getchannels(ra_decode* pFrontEnd, + UINT32* pNumChannels); + + /* ra_decode_getchannelmask() + * pChannelMask receives the 32-bit mapping of the audio output channels. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_getchannelmask(ra_decode* pFrontEnd, + UINT32* pChannelMask); + + /* ra_decode_getrate() + * pSampleRate receives the sampling rate of the output samples. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_getrate(ra_decode* pFrontEnd, + UINT32* pSampleRate); + + /* ra_decode_getdelay() + * pNumSamples receives the number of invalid output samples + * produced by the decoder at startup. + * If non-zero, it is up to the user to discard these samples. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_getdelay(ra_decode* pFrontEnd, + UINT32* pNumSamples); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RA_DECODE_H */ diff --git a/audio_codec/libcook/ra_depack.c b/audio_codec/libcook/ra_depack.c new file mode 100644 index 0000000..259459e --- a/dev/null +++ b/audio_codec/libcook/ra_depack.c @@ -0,0 +1,230 @@ +#include +#include "helix_types.h" +#include "helix_result.h" +#include "ra_depack.h" +#include "ra_depack_internal.h" +#include "rm_memory_default.h" +#include "rm_error_default.h" +#include "memory_utils.h" +#include "stream_hdr_utils.h" + +ra_depack* ra_depack_create(void* pAvail, + ra_block_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError) +{ + return ra_depack_create2(pAvail, + fpAvail, + pUserError, + fpError, + HXNULL, + rm_memory_default_malloc, + rm_memory_default_free); +} + +ra_depack* ra_depack_create2(void* pAvail, + ra_block_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + ra_depack* pRet = HXNULL; + + if (fpAvail && fpMalloc && fpFree) { + /* Allocate space for the ra_depack_internal struct + * by using the passed-in malloc function + */ + ra_depack_internal* pInt = + (ra_depack_internal*) fpMalloc(pUserMem, sizeof(ra_depack_internal)); + if (pInt) { + /* Zero out the struct */ + memset((void*) pInt, 0, sizeof(ra_depack_internal)); + /* Assign the frame callback members */ + pInt->pAvail = pAvail; + pInt->fpAvail = fpAvail; + /* + * Assign the error members. If the caller did not + * provide an error callback, then use the default + * rm_error_default(). + */ + if (fpError) { + pInt->fpError = fpError; + pInt->pUserError = pUserError; + } else { + pInt->fpError = rm_error_default; + pInt->pUserError = HXNULL; + } + /* Assign the memory functions */ + pInt->fpMalloc = fpMalloc; + pInt->fpFree = fpFree; + pInt->pUserMem = pUserMem; + /* Assign the return value */ + pRet = (ra_depack*) pInt; + } + } + + return pRet; +} + +HX_RESULT ra_depack_init(ra_depack* pDepack, rm_stream_header* header) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack && header) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Call the internal init */ + retVal = ra_depacki_init(pInt, header); + } + + return retVal; +} + +UINT32 ra_depack_get_num_substreams(ra_depack* pDepack) +{ + UINT32 ulRet = 0; + + if (pDepack) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Return the number of substreams */ + ulRet = pInt->multiStreamHdr.ulNumSubStreams; + } + + return ulRet; +} + +UINT32 ra_depack_get_codec_4cc(ra_depack* pDepack, UINT32 ulSubStream) +{ + UINT32 ulRet = 0; + + if (pDepack) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Make sure the substream index is legal */ + if (pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + ulRet = pInt->pSubStreamHdr[ulSubStream].ulCodecID; + } + } + + return ulRet; +} + +HX_RESULT ra_depack_get_codec_init_info(ra_depack* pDepack, + UINT32 ulSubStream, + ra_format_info** ppInfo) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack && ppInfo) { + /* Init local variables */ + UINT32 ulSize = sizeof(ra_format_info); + ra_format_info* pInfo = HXNULL; + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Allocate space for the struct */ + pInfo = ra_depacki_malloc(pInt, ulSize); + if (pInfo) { + /* NULL out the memory */ + memset(pInfo, 0, ulSize); + /* Fill in the init info struct */ + retVal = ra_depacki_get_format_info(pInt, ulSubStream, pInfo); + if (retVal == HXR_OK) { + /* Assign the out parameter */ + *ppInfo = pInfo; + } else { + /* We failed so free the memory we allocated */ + ra_depacki_free(pInt, pInfo); + } + } + } + + return retVal; +} + +void ra_depack_destroy_codec_init_info(ra_depack* pDepack, ra_format_info** ppInfo) +{ + if (pDepack && ppInfo && *ppInfo) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Clean up the format info struct */ + ra_depacki_cleanup_format_info(pInt, *ppInfo); + /* Delete the memory associated with it */ + ra_depacki_free(pInt, *ppInfo); + /* NULL the pointer out */ + *ppInfo = HXNULL; + } +} + +HX_RESULT ra_depack_add_packet(ra_depack* pDepack, rm_packet* packet) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack && packet) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Call the internal function */ + retVal = ra_depacki_add_packet(pInt, packet); + } + + return retVal; +} + +void ra_depack_destroy_block(ra_depack* pDepack, ra_block** ppBlock) +{ + if (pDepack && ppBlock && *ppBlock) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Free the data */ + if ((*ppBlock)->pData) { + ra_depacki_free(pInt, (*ppBlock)->pData); + (*ppBlock)->pData = HXNULL; + } + /* Free the memory itself */ + ra_depacki_free(pInt, *ppBlock); + /* Null out the pointer */ + *ppBlock = HXNULL; + } +} + +HX_RESULT ra_depack_seek(ra_depack* pDepack, UINT32 ulTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Call the internal seek function */ + retVal = ra_depacki_seek(pInt, ulTime); + } + + return retVal; +} + +void ra_depack_destroy(ra_depack** ppDepack) +{ + if (ppDepack) { + ra_depack_internal* pInt = (ra_depack_internal*) * ppDepack; + if (pInt && pInt->fpFree) { + /* Save a pointer to fpFree and pUserMem */ + rm_free_func_ptr fpFree = pInt->fpFree; + void* pUserMem = pInt->pUserMem; + /* Clean up multistream header */ + rm_cleanup_multistream_hdr(fpFree, pUserMem, &pInt->multiStreamHdr); + /* Clean up rule map */ + rm_cleanup_rule_map(fpFree, pUserMem, &pInt->rule2Flag); + /* Clean up the substream header array */ + ra_depacki_cleanup_substream_hdr_array(pInt); + /* Null everything out */ + memset(pInt, 0, sizeof(ra_depack_internal)); + /* Free the rm_parser_internal struct memory */ + fpFree(pUserMem, pInt); + /* NULL out the pointer */ + *ppDepack = HXNULL; + } + } +} + diff --git a/audio_codec/libcook/ra_depack.h b/audio_codec/libcook/ra_depack.h new file mode 100644 index 0000000..aedfd64 --- a/dev/null +++ b/audio_codec/libcook/ra_depack.h @@ -0,0 +1,177 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ra_depack.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RA_DEPACK_H +#define RA_DEPACK_H + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_error.h" +#include "rm_memory.h" +#include "rm_stream.h" +#include "rm_packet.h" +#include "ra_format_info.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* Encoded audio block definition. */ + typedef struct ra_block_struct { + BYTE* pData; + UINT32 ulDataLen; + UINT32 ulTimestamp; + UINT32 ulDataFlags; + } ra_block; + + /* Callback functions */ + typedef HX_RESULT(*ra_block_avail_func_ptr)(void* pAvail, + UINT32 ulSubStream, + ra_block* block); + + /* + * ra_depack definition. Opaque to user. + */ + typedef void ra_depack; + + /* + * ra_depack_create + * + * Users should use this function if they don't need to + * customize their memory allocation routines. In this + * case, the SDK will use malloc() and free() for + * memory allocation. + */ + ra_depack* ra_depack_create(void* pAvail, + ra_block_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError); + + /* + * ra_depack_create2 + * + * Users should use this function if they need to + * customize the memory allocation routines. + */ + ra_depack* ra_depack_create2(void* pAvail, + ra_block_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* + * ra_depack_init + * + * The depacketizer will be initialized with a RealAudio stream header. + */ + HX_RESULT ra_depack_init(ra_depack* pDepack, rm_stream_header* pHdr); + + /* + * ra_depack_get_num_substreams + * + * This accessor function tells how many audio substreams there are + * in this audio stream. For single-rate files, this will be 1. For + * SureStream audio streams, this could be greater than 1. + */ + UINT32 ra_depack_get_num_substreams(ra_depack* pDepack); + + /* + * ra_depack_get_codec_4cc + * + * This accessor function returns the 4cc of the codec. This 4cc + * will be used to determine which codec to use for this substream. + */ + UINT32 ra_depack_get_codec_4cc(ra_depack* pDepack, UINT32 ulSubStream); + + /* + * ra_depack_get_codec_init_info + * + * This function fills in the structure which is used to initialize the codec. + */ + HX_RESULT ra_depack_get_codec_init_info(ra_depack* pDepack, + UINT32 ulSubStream, + ra_format_info** ppInfo); + + /* + * ra_depack_destroy_codec_init_info + * + * This function frees the memory associated with the ra_format_info object + * created by ra_depack_get_codec_init_info(). + */ + void ra_depack_destroy_codec_init_info(ra_depack* pDepack, + ra_format_info** ppInfo); + + /* + * ra_depack_add_packet + * + * Put an audio packet into the depacketizer. When enough data is + * present to deinterleave, then the user will be called back + * on the rm_block_avail_func_ptr set in ra_depack_create(). + */ + HX_RESULT ra_depack_add_packet(ra_depack* pDepack, rm_packet* pPacket); + + /* + * ra_depack_destroy_block + * + * This method cleans up a block received via the + * ra_block_avail_func_ptr callback. + */ + void ra_depack_destroy_block(ra_depack* pDepack, ra_block** ppBlock); + + /* + * ra_depack_seek + * + * The user calls this function if the stream is seeked. It + * should be called before passing any post-seek packets. + */ + HX_RESULT ra_depack_seek(ra_depack* pDepack, UINT32 ulTime); + + /* + * ra_depack_destroy + * + * This cleans up all memory allocated by the ra_depack_* calls + */ + void ra_depack_destroy(ra_depack** ppDepack); + + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RA_DEPACK_H */ diff --git a/audio_codec/libcook/ra_depack_internal.c b/audio_codec/libcook/ra_depack_internal.c new file mode 100644 index 0000000..d889cbc --- a/dev/null +++ b/audio_codec/libcook/ra_depack_internal.c @@ -0,0 +1,1710 @@ +#include +#include + +#include +#include "helix_types.h" +#include "helix_result.h" +#include "pack_utils.h" +#include "string_utils.h" +#include "memory_utils.h" +#include "packet_defines.h" +#include "codec_defines.h" +#include "stream_hdr_utils.h" +#include "ra_depack_internal.h" +#include "rasl.h" + +/* Defines */ +#define TIMESTAMP_GAP_FUDGE_FACTOR 1 /* Maximum non-loss, non-seek gap in ms between packets */ +#define INITIAL_FRAG_BUFFER_SIZE 2048 /* Initial size of frag buffer */ +#define RA_COPY_BUF 0 + +void* ra_depacki_malloc(ra_depack_internal* pInt, UINT32 ulSize) +{ + void* pRet = HXNULL; + + if (pInt && pInt->fpMalloc) { + pRet = pInt->fpMalloc(pInt->pUserMem, ulSize); + } + + return pRet; +} + +void ra_depacki_free(ra_depack_internal* pInt, void* pMem) +{ + if (pInt && pInt->fpFree) { + pInt->fpFree(pInt->pUserMem, pMem); + } +} + +HX_RESULT ra_depacki_init(ra_depack_internal* pInt, rm_stream_header* hdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && hdr) { + /* Initialize local variables */ + UINT32 ulTmp = 0; + BYTE* pTmp = HXNULL; + /* Check if we have a "HasRelativeTS" property - OK if we don't */ + if (HX_SUCCEEDED(rm_stream_get_property_int(hdr, "TrackStartTime", &ulTmp))) { + pInt->bForceTrackStartTime = TRUE; + pInt->ulTrackStartTime = ulTmp; + } + /* Check if we have a "ZeroTimeOffset" property - OK if we don't */ + if (HX_SUCCEEDED(rm_stream_get_property_int(hdr, "TrackEndTime", &ulTmp))) { + pInt->bForceTrackEndTime = TRUE; + pInt->ulTrackEndTime = ulTmp; + } + /* Check if we have an EndTime property */ + if (HX_SUCCEEDED(rm_stream_get_property_int(hdr, "EndTime", &ulTmp))) { + pInt->bHasEndTime = TRUE; + pInt->ulEndTime = ulTmp; + } + /* Copy the stream duration */ + pInt->ulStreamDuration = hdr->ulDuration; + /* If we have an end time, then clip the duration */ + if (pInt->bHasEndTime && + pInt->ulEndTime && + pInt->ulStreamDuration > pInt->ulEndTime) { + pInt->ulStreamDuration = pInt->ulEndTime; + } + if (pInt->ulStreamDuration == 0) { + pInt->ulStreamDuration = 0x7fffffff; + } + /* Check if we have a "RMFF 1.0 Flags" property */ + retVal = rm_stream_get_property_buf(hdr, "RMFF 1.0 Flags", &pTmp, &ulTmp); + if (retVal == HXR_OK) { + /* Parse the "RMFF 1.0 Flags" property */ + retVal = ra_depacki_unpack_rule_map(pInt, &pInt->rule2Flag, + &pTmp, &ulTmp); + if (retVal == HXR_OK) { + /* Get the "OpaqueData" property */ + retVal = rm_stream_get_property_buf(hdr, "OpaqueData", &pTmp, &ulTmp); + if (retVal == HXR_OK) { + /* Unpack the opaque data */ + retVal = ra_depacki_unpack_opaque_data(pInt, pTmp, ulTmp); + } + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_unpack_rule_map(ra_depack_internal* pInt, + rm_rule_map* pMap, + BYTE** ppBuf, + UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + retVal = rm_unpack_rule_map(ppBuf, pulLen, + pInt->fpMalloc, + pInt->fpFree, + pInt->pUserMem, + pMap); + } + + return retVal; +} + +HX_RESULT ra_depacki_unpack_multistream_hdr(ra_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + retVal = rm_unpack_multistream_hdr(ppBuf, pulLen, + pInt->fpMalloc, + pInt->fpFree, + pInt->pUserMem, + &pInt->multiStreamHdr); + } + + return retVal; +} + +HX_RESULT ra_depacki_unpack_opaque_data(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pBuf && ulLen >= 4) { + /* Initialize local variables */ + UINT32 ulSize = 0; + UINT32 ulID = 0; + UINT32 i = 0; + UINT32 ulTmp = 0; + /* + * If the first four bytes are MLTI, then we + * know the opaque data contains a multistream header + * followed by several normal headers. So first we + * need to check the first four bytes. + */ + ulID = rm_unpack32(&pBuf, &ulLen); + /* Now back up 4 bytes */ + pBuf -= 4; + ulLen += 4; + /* Is this a multistream header? */ + if (ulID == RM_MULTIHEADER_OBJECT) { + /* Unpack the multistream header */ + retVal = ra_depacki_unpack_multistream_hdr(pInt, &pBuf, &ulLen); + if (retVal == HXR_OK) { + pInt->bStreamSwitchable = TRUE; + } + } else if (ulID == RA_FORMAT_ID) { + /* Single-rate stream */ + pInt->multiStreamHdr.ulNumSubStreams = 1; + /* Clear the stream switchable flag */ + pInt->bStreamSwitchable = FALSE; + /* Clear the return value */ + retVal = HXR_OK; + } + /* Clean up any existing substream header array */ + ra_depacki_cleanup_substream_hdr_array(pInt); + /* Set the return value */ + retVal = HXR_FAIL; + /* Allocate space for substream header array */ + ulSize = pInt->multiStreamHdr.ulNumSubStreams * sizeof(ra_substream_hdr); + pInt->pSubStreamHdr = (ra_substream_hdr*) ra_depacki_malloc(pInt, ulSize); + if (pInt->pSubStreamHdr) { + /* NULL out the memory */ + memset(pInt->pSubStreamHdr, 0, ulSize); + /* Clear the return value */ + retVal = HXR_OK; + /* Loop through and unpack each substream header */ + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams && retVal == HXR_OK; i++) { + /* Is this a multiheader? */ + if (pInt->bStreamSwitchable) { + /* + * If this is a multistream header, then there + * is a 4-byte length in front of every substream header + */ + if (ulLen >= 4) { + ulSize = rm_unpack32(&pBuf, &ulLen); + } else { + retVal = HXR_FAIL; + } + } else { + /* + * If this is not a multi-stream header, then + * the rest of the buffer is a single substream header + */ + ulSize = ulLen; + } + /* Make sure we have enough parsing buffer */ + if (ulLen >= ulSize) { + /* Now unpack an substream header */ + retVal = ra_depacki_unpack_substream_hdr(pInt, pBuf, ulSize, + &pInt->pSubStreamHdr[i]); + if (retVal == HXR_OK) { + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[i]; + /* + * If the interleaver ID is either VBRS of VBRF, + * then this is a VBR stream. + */ + if (pHdr->ulInterleaverID == RA_INTERLEAVER_VBRS || + pHdr->ulInterleaverID == RA_INTERLEAVER_VBRF) { + pHdr->bIsVBR = TRUE; + } + /* Compute the number of codec frames per superblock */ + if (pHdr->ulCodecFrameSize) { + pHdr->ulNumCodecFrames = pHdr->ulInterleaveBlockSize * + pHdr->ulInterleaveFactor / + pHdr->ulCodecFrameSize; + } + /* Compute the ms per block */ + if (pHdr->ulBytesPerMin) { + pHdr->dBlockDuration = ((double) pHdr->ulInterleaveBlockSize) * + 60000.0 / + ((double) pHdr->ulBytesPerMin); + } + /* Compute the superblock size and time */ + pHdr->ulSuperBlockSize = pHdr->ulInterleaveBlockSize * + pHdr->ulInterleaveFactor; + pHdr->ulSuperBlockTime = (UINT32)(pHdr->dBlockDuration * + ((double) pHdr->ulInterleaveFactor)); + /* Is this stream VBR? */ + if (pHdr->bIsVBR) { + /* Init the last sent block end time */ + pHdr->ulLastSentEndTime = 0; + /* + * Init the frag buffer members. The frag buffer + * willl be set up the first time it is needed. + */ + pHdr->pFragBuffer = HXNULL; + pHdr->ulFragBufferSize = 0; + pHdr->ulFragBufferOffset = 0; + pHdr->ulFragBufferTime = 0; + } else { + /* Set the return value */ + retVal = HXR_OUTOFMEMORY; + /* Set the superblock keyframe time */ + pHdr->bHasKeyTime = FALSE; + pHdr->ulKeyTime = 0; + /* Allocate the interleaved buffer */ + pHdr->pIBuffer = (BYTE*) ra_depacki_malloc(pInt, pHdr->ulSuperBlockSize); + if (pHdr->pIBuffer) { + /* Zero out the buffer */ + memset(pHdr->pIBuffer, 0, pHdr->ulSuperBlockSize); + /* Allocate the de-interleaved buffer */ + pHdr->pDBuffer = (BYTE*) ra_depacki_malloc(pInt, pHdr->ulSuperBlockSize); + if (pHdr->pDBuffer) { + /* Zero out the buffer */ + memset(pHdr->pDBuffer, 0, pHdr->ulSuperBlockSize); + /* Allocate the interleaved flags */ + ulTmp = pHdr->ulInterleaveFactor * sizeof(UINT32); + pHdr->pIPresentFlags = (UINT32*) ra_depacki_malloc(pInt, ulTmp); + if (pHdr->pIPresentFlags) { + /* Zero out the flags */ + memset(pHdr->pIPresentFlags, 0, ulTmp); + /* Allocate the de-interleaved flags */ + pHdr->pDPresentFlags = (UINT32*) ra_depacki_malloc(pInt, ulTmp); + if (pHdr->pDPresentFlags) { + /* Null out the memory */ + memset(pHdr->pDPresentFlags, 0, ulTmp); + /* Clear the return value */ + retVal = HXR_OK; + /* If this is GENR interleaving, then init the tables */ + if (pHdr->ulInterleaverID == RA_INTERLEAVER_GENR) { + retVal = ra_depacki_init_genr(pInt, i); + } + } + } + } + } + } + /* Update the buffer cursors */ + pBuf += ulSize; + ulLen -= ulSize; + } + } else { + retVal = HXR_FAIL; + } + } + } + } + + return retVal; +} + +void ra_depacki_cleanup_substream_hdr(ra_depack_internal* pInt, + ra_substream_hdr* hdr) +{ + if (pInt && hdr) { + if (hdr->pulInterleavePattern) { + ra_depacki_free(pInt, hdr->pulInterleavePattern); + hdr->pulInterleavePattern = HXNULL; + } + if (hdr->pOpaqueData) { + ra_depacki_free(pInt, hdr->pOpaqueData); + hdr->pOpaqueData = HXNULL; + } + if (hdr->pFragBuffer) { + ra_depacki_free(pInt, hdr->pFragBuffer); + hdr->pFragBuffer = HXNULL; + } + if (hdr->pIBuffer) { + ra_depacki_free(pInt, hdr->pIBuffer); + hdr->pIBuffer = HXNULL; + } + if (hdr->pDBuffer) { + ra_depacki_free(pInt, hdr->pDBuffer); + hdr->pDBuffer = HXNULL; + } + if (hdr->pIPresentFlags) { + ra_depacki_free(pInt, hdr->pIPresentFlags); + hdr->pIPresentFlags = HXNULL; + } + if (hdr->pDPresentFlags) { + ra_depacki_free(pInt, hdr->pDPresentFlags); + hdr->pDPresentFlags = HXNULL; + } + if (hdr->pulGENRPattern) { + ra_depacki_free(pInt, hdr->pulGENRPattern); + hdr->pulGENRPattern = HXNULL; + } + if (hdr->pulGENRBlockNum) { + ra_depacki_free(pInt, hdr->pulGENRBlockNum); + hdr->pulGENRBlockNum = HXNULL; + } + if (hdr->pulGENRBlockOffset) { + ra_depacki_free(pInt, hdr->pulGENRBlockOffset); + hdr->pulGENRBlockOffset = HXNULL; + } + } +} + +void ra_depacki_cleanup_substream_hdr_array(ra_depack_internal* pInt) +{ + if (pInt && pInt->pSubStreamHdr) { + UINT32 i = 0; + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams; i++) { + ra_depacki_cleanup_substream_hdr(pInt, &pInt->pSubStreamHdr[i]); + } + /* Free the header array */ + ra_depacki_free(pInt, pInt->pSubStreamHdr); + /* NULL out the pointer */ + pInt->pSubStreamHdr = HXNULL; + } +} + +HX_RESULT ra_depacki_unpack_substream_hdr(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pBuf && ulLen >= 6 && pHdr) { + UINT32 ulID = 0; + UINT16 usVersion = 0; + /* Clean up any existing header info */ + ra_depacki_cleanup_substream_hdr(pInt, pHdr); + /* Read the ID and the RAFormat version */ + ulID = rm_unpack32(&pBuf, &ulLen); + usVersion = rm_unpack16(&pBuf, &ulLen); + /* Sanity check on ID */ + if (ulID == RA_FORMAT_ID) { + /* Switch based on RAFormat version */ + switch (usVersion) { + case 3: + retVal = ra_depacki_unpack_raformat3(pInt, pBuf, ulLen, pHdr); + break; + case 4: + retVal = ra_depacki_unpack_raformat4(pInt, pBuf, ulLen, pHdr); + break; + case 5: + retVal = ra_depacki_unpack_raformat5(pInt, pBuf, ulLen, pHdr); + break; + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_unpack_raformat3(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr) +{ + return HXR_NOTIMPL; +} + +HX_RESULT ra_depacki_unpack_raformat4(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pBuf && ulLen >= 63 && pHdr) { + /* Skip first 10 bytes */ + pBuf += 10; + ulLen -= 10; + /* Read the version and revision */ + pHdr->usRAFormatVersion = rm_unpack16(&pBuf, &ulLen); + pHdr->usRAFormatRevision = rm_unpack16(&pBuf, &ulLen); + /* Sanity check */ + if (pHdr->usRAFormatVersion == 4 && + pHdr->usRAFormatRevision == 0) { + pHdr->usHeaderBytes = rm_unpack16(&pBuf, &ulLen); + pHdr->usFlavorIndex = rm_unpack16(&pBuf, &ulLen); + pHdr->ulGranularity = rm_unpack32(&pBuf, &ulLen); + pHdr->ulTotalBytes = rm_unpack32(&pBuf, &ulLen); + pHdr->ulBytesPerMin = rm_unpack32(&pBuf, &ulLen); + pHdr->ulBytesPerMin2 = rm_unpack32(&pBuf, &ulLen); + pHdr->ulInterleaveFactor = rm_unpack16(&pBuf, &ulLen); + pHdr->ulInterleaveBlockSize = rm_unpack16(&pBuf, &ulLen); + pHdr->ulUserData = rm_unpack32(&pBuf, &ulLen); + pHdr->ulSampleRate = rm_unpack32(&pBuf, &ulLen); + pHdr->ulSampleRate >>= 16; + pHdr->ulSampleSize = rm_unpack16(&pBuf, &ulLen); + pHdr->ulChannels = rm_unpack16(&pBuf, &ulLen); + pHdr->ulInterleaverID = rm_unpack32_from_byte_string(&pBuf, &ulLen); + pHdr->ulCodecID = rm_unpack32_from_byte_string(&pBuf, &ulLen); + pHdr->bIsInterleaved = rm_unpack8(&pBuf, &ulLen); + pHdr->bCopyByte = rm_unpack8(&pBuf, &ulLen); + pHdr->ucStreamType = rm_unpack8(&pBuf, &ulLen); + /* + * If the bIsInterleaved flag says we are + * not interleaved, then make sure the + * interleaverID is set to no interleaver. + */ + if (!pHdr->bIsInterleaved) { + pHdr->ulInterleaverID = RA_NO_INTERLEAVER; + } + /* If the interleave factor is 0, make it 1. */ + if (!pHdr->ulInterleaveFactor) { + pHdr->ulInterleaveFactor = 1; + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_unpack_raformat5(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pBuf && ulLen >= 68 && pHdr) { + /* Init local variables */ + UINT32 ulSize = 0; + UINT32 i = 0; + /* Skip first 10 bytes */ + pBuf += 10; + ulLen -= 10; + /* Read the version and revision */ + pHdr->usRAFormatVersion = rm_unpack16(&pBuf, &ulLen); + pHdr->usRAFormatRevision = rm_unpack16(&pBuf, &ulLen); + /* Sanity check */ + if (pHdr->usRAFormatVersion == 5 && + pHdr->usRAFormatRevision == 0) { + pHdr->usHeaderBytes = rm_unpack16(&pBuf, &ulLen); + pHdr->usFlavorIndex = rm_unpack16(&pBuf, &ulLen); + pHdr->ulGranularity = rm_unpack32(&pBuf, &ulLen); + pHdr->ulTotalBytes = rm_unpack32(&pBuf, &ulLen); + pHdr->ulBytesPerMin = rm_unpack32(&pBuf, &ulLen); + pHdr->ulBytesPerMin2 = rm_unpack32(&pBuf, &ulLen); + pHdr->ulInterleaveFactor = rm_unpack16(&pBuf, &ulLen); + pHdr->ulInterleaveBlockSize = rm_unpack16(&pBuf, &ulLen); + pHdr->ulCodecFrameSize = rm_unpack16(&pBuf, &ulLen); + pHdr->ulUserData = rm_unpack32(&pBuf, &ulLen); + pHdr->ulSampleRate = rm_unpack32(&pBuf, &ulLen); + pHdr->ulSampleRate >>= 16; + pHdr->ulActualSampleRate = rm_unpack32(&pBuf, &ulLen); + pHdr->ulActualSampleRate >>= 16; + pHdr->ulSampleSize = rm_unpack16(&pBuf, &ulLen); + pHdr->ulChannels = rm_unpack16(&pBuf, &ulLen); + pHdr->ulInterleaverID = rm_unpack32(&pBuf, &ulLen); + pHdr->ulCodecID = rm_unpack32(&pBuf, &ulLen); + pHdr->bIsInterleaved = rm_unpack8(&pBuf, &ulLen); + pHdr->bCopyByte = rm_unpack8(&pBuf, &ulLen); + pHdr->ucStreamType = rm_unpack8(&pBuf, &ulLen); + pHdr->ucScatterType = rm_unpack8(&pBuf, &ulLen); + pHdr->ulNumCodecFrames = pHdr->ulInterleaveFactor * + pHdr->ulInterleaveBlockSize / + pHdr->ulCodecFrameSize; + /* Clear the return value */ + retVal = HXR_OK; + /* + * If ucScatterType is non-zero, then we have + * to read in an interleave pattern. + */ + if (pHdr->ucScatterType) { + /* Set the return value */ + retVal = HXR_FAIL; + /* Allocate space for the interleave pattern */ + ulSize = pHdr->ulNumCodecFrames * sizeof(UINT32); + pHdr->pulInterleavePattern = ra_depacki_malloc(pInt, ulSize); + if (pHdr->pulInterleavePattern) { + /* NULL out all the memory */ + memset(pHdr->pulInterleavePattern, 0, ulSize); + /* Make sure we have enough parsing buffer left */ + if (ulLen >= ulSize) { + /* Read in the interleave pattern */ + for (i = 0; i < pHdr->ulNumCodecFrames; i++) { + pHdr->pulInterleavePattern[i] = rm_unpack16(&pBuf, &ulLen); + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + if (retVal == HXR_OK) { + /* Set the return value */ + retVal = HXR_FAIL; + /* Make sure we have four bytes */ + if (ulLen >= 4) { + /* Read in the opaque data size */ + pHdr->ulOpaqueDataSize = rm_unpack32(&pBuf, &ulLen); + /* Make sure we have this much parsing space left */ + if ((ulLen >= pHdr->ulOpaqueDataSize) && (pHdr->ulOpaqueDataSize > 0)) { + /* Allocate the buffer */ + pHdr->pOpaqueData = ra_depacki_malloc(pInt, pHdr->ulOpaqueDataSize); + if (pHdr->pOpaqueData) { + /* Copy the opaque data */ + memcpy(pHdr->pOpaqueData, pBuf, pHdr->ulOpaqueDataSize); + /* Clear the return value */ + retVal = HXR_OK; + /* + * If the bIsInterleaved flag says we are + * not interleaved, then make sure the + * interleaverID is set to no interleaver. + */ + if (!pHdr->bIsInterleaved) { + pHdr->ulInterleaverID = RA_NO_INTERLEAVER; + } + /* If the interleave factor is 0, make it 1. */ + if (!pHdr->ulInterleaveFactor) { + pHdr->ulInterleaveFactor = 1; + } + } + } else if (pHdr->ulOpaqueDataSize == 0) { + retVal = HXR_OK; + } + } + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_get_format_info(ra_depack_internal* pInt, + UINT32 ulSubStream, + ra_format_info* pInfo) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInfo && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Init local variables */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + if (pHdr) { + /* Clean up any existing format info */ + ra_depacki_cleanup_format_info(pInt, pInfo); + /* Assign members */ + pInfo->ulSampleRate = pHdr->ulSampleRate; + pInfo->ulActualRate = pHdr->ulActualSampleRate; + pInfo->usBitsPerSample = (UINT16) pHdr->ulSampleSize; + pInfo->usNumChannels = (UINT16) pHdr->ulChannels; + pInfo->usAudioQuality = 100; + pInfo->usFlavorIndex = pHdr->usFlavorIndex; + pInfo->ulBitsPerFrame = pHdr->ulCodecFrameSize; + pInfo->ulGranularity = pHdr->ulGranularity; + pInfo->ulOpaqueDataSize = pHdr->ulOpaqueDataSize; + /* Copy the opaque data buffer */ + pInfo->pOpaqueData = copy_buffer(pInt->pUserMem, + pInt->fpMalloc, + pHdr->pOpaqueData, + pHdr->ulOpaqueDataSize); + if (!pInfo->ulOpaqueDataSize || pInfo->pOpaqueData) { + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + + return retVal; +} + +void ra_depacki_cleanup_format_info(ra_depack_internal* pInt, + ra_format_info* pInfo) +{ + if (pInt && pInfo && pInfo->pOpaqueData) { + ra_depacki_free(pInt, pInfo->pOpaqueData); + pInfo->pOpaqueData = HXNULL; + } +} + +UINT32 ra_depacki_rule_to_flags(ra_depack_internal* pInt, UINT32 ulRule) +{ + UINT32 ulRet = 0; + + if (pInt && pInt->rule2Flag.pulMap && + ulRule < pInt->rule2Flag.ulNumRules) { + ulRet = pInt->rule2Flag.pulMap[ulRule]; + } + + return ulRet; +} + +HXBOOL ra_depacki_is_keyframe_rule(ra_depack_internal* pInt, UINT32 ulRule) +{ + UINT32 ulFlag = ra_depacki_rule_to_flags(pInt, ulRule); + return (ulFlag & HX_KEYFRAME_FLAG ? TRUE : FALSE); +} + +UINT32 ra_depacki_rule_to_substream(ra_depack_internal* pInt, UINT32 ulRule) +{ + UINT32 ulRet = 0; + + if (pInt && pInt->multiStreamHdr.rule2SubStream.pulMap && + ulRule < pInt->multiStreamHdr.rule2SubStream.ulNumRules) { + ulRet = pInt->multiStreamHdr.rule2SubStream.pulMap[ulRule]; + } + + return ulRet; +} + +HX_RESULT ra_depacki_add_packet(ra_depack_internal* pInt, + rm_packet* pPacket) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pPacket) { + /* Init local variables */ + UINT32 i = 0; + /* Was this packet lost? */ + if (!pPacket->ucLost) { + /* This packet was not lost, so we can look up the substream. */ + UINT32 ulSubStream = ra_depacki_rule_to_substream(pInt, pPacket->ucASMRule); + /* Sanity check */ + if (pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Is this substream VBR? */ + if (pInt->pSubStreamHdr[ulSubStream].bIsVBR) { + /* Add the VBR packet */ + retVal = ra_depacki_add_vbr_packet(pInt, ulSubStream, pPacket); + } else { + /* Add the non-VBR packet */ + retVal = ra_depacki_add_non_vbr_packet(pInt, ulSubStream, pPacket); + } + } + } else { + /* Are we multistream or single-stream? */ + if (pInt->bStreamSwitchable) { + /* + * We are multi-stream. Therefore, we don't know which + * substream this packet came from. So we simply set the + * flag saying some loss happened in each substream. + */ + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams; i++) { + pInt->pSubStreamHdr[i].bLossOccurred = TRUE; + } + /* Clear the return value */ + retVal = HXR_OK; + } else { + /* + * We are single substream, so we just pass the + * lost packet on. It has to be substream 0, of course. + */ + if (pInt->pSubStreamHdr && + pInt->multiStreamHdr.ulNumSubStreams) { + /* Is the single substream VBR? */ + if (pInt->pSubStreamHdr[0].bIsVBR) { + retVal = ra_depacki_add_vbr_packet(pInt, 0, pPacket); + } else { + retVal = ra_depacki_add_non_vbr_packet(pInt, 0, pPacket); + } + } + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_add_vbr_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pPacket) { + /* Is the packet lost? */ + if (!pPacket->ucLost) { + /* Packet was not lost */ + if (pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Init local variables */ + UINT32 ulNumAU = 0; + HXBOOL bFrag = FALSE; + UINT32 ulAUSize = 0; + UINT32 ulAUFragSize = 0; + /* Parse this VBR packet */ + retVal = ra_depacki_parse_vbr_packet(pInt, pPacket, &ulNumAU, &bFrag, + &ulAUSize, &ulAUFragSize); + if (retVal == HXR_OK) { + /* + * Are we within the tolerance? We expect to + * be if we didn't seek. Otherwise, we had loss. + */ + if (pPacket->ulTime > pHdr->ulLastSentEndTime + TIMESTAMP_GAP_FUDGE_FACTOR && + !pHdr->bSeeked) { + /* We need to send some loss packets */ + retVal = ra_depacki_generate_and_send_loss(pInt, + ulSubStream, + pHdr->ulLastSentEndTime, + pPacket->ulTime); + if (retVal == HXR_OK) { + pHdr->ulLastSentEndTime = pPacket->ulTime; + } + } + /* Have we just seeked? */ + if (pHdr->bSeeked) { + /* Clear any remaining fragment */ + ra_depacki_clear_frag_buffer(pInt, pHdr); + /* Set the last sent time to this time */ + pHdr->ulLastSentEndTime = pPacket->ulTime; + /* Clear the seeked flag */ + pHdr->bSeeked = FALSE; + } + /* Does this packet hold a fragmented AU? */ + if (bFrag) { + /* Handle the fragmented packet */ + retVal = ra_depacki_handle_frag_packet(pInt, ulSubStream, pPacket, + ulAUSize, ulAUFragSize); + } else { + /* Handle the non-fragmented packet */ + retVal = ra_depacki_handle_nonfrag_packet(pInt, ulSubStream, + pPacket, ulNumAU); + } + } + } + } else { + /* Packet is lost - not an error */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_add_non_vbr_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pPacket && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Init local variables */ + HXBOOL bKey = FALSE; + HXDOUBLE dTimeDiff = 0.0; + HXDOUBLE dBlockNum = 0; + UINT32 ulBlockNum = 0; + HXDOUBLE dTSOffset = 0.0; + UINT32 ulTSOffset = 0; + UINT32 ulPacketTime = pPacket->ulTime; + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Is the packet lost? */ + if (!pPacket->ucLost) { + /* Is this a keyframe packet? */ + bKey = ra_depacki_is_keyframe_rule(pInt, pPacket->ucASMRule); + /* + * We need to determine the index of this block + * in this superblock. We will do this by knowing + * the timestamp of this packet (block), the timestamp + * of the key block in this superblock, and the block + * duration. First we make sure we have a key block time. + */ + if (bKey && !pHdr->bHasKeyTime) { + /* We note the timestamp of this key block */ + pHdr->ulKeyTime = pPacket->ulTime; + /* Set the flag saying we have a key time */ + pHdr->bHasKeyTime = TRUE; + } + /* Now we should have a key time */ + if (pHdr->bHasKeyTime && ulPacketTime >= pHdr->ulKeyTime) { + /* + * Have we yet determined whether or + * not we need to adjust timestamps? + */ + if (!pHdr->bKnowIfAdjustNeeded) { + /* + * If the last packet was not lost and was a + * keyframe and this packet is not a keyframe + * and the timestamps are the same, then we need + * to adjust timestamps. + */ + if (pHdr->bHasLastPacket && + !pHdr->lastPacket.ucLost && + !bKey) { + /* Is this timestamp the same as the last packets? */ + if (ulPacketTime == pHdr->lastPacket.ulTime) { + pHdr->bAdjustTimestamps = TRUE; + } else { + pHdr->bAdjustTimestamps = FALSE; + } + /* Now we know */ + pHdr->bKnowIfAdjustNeeded = TRUE; + } + } + /* Do we need to adjust timestamps? */ + if (pHdr->bKnowIfAdjustNeeded && + pHdr->bAdjustTimestamps && + !bKey) { + dTSOffset = pHdr->ulBlockCount * pHdr->dBlockDuration; + ulTSOffset = (UINT32)(dTSOffset + 0.5); + ulPacketTime += ulTSOffset; + } + /* Compute the index of the block within the superblock */ + dTimeDiff = (HXDOUBLE)(ulPacketTime - pHdr->ulKeyTime); +#ifndef __ARC600__ + if (pHdr->dBlockDuration) +#else + if (pHdr->dBlockDuration == 0.0) { + ; + } else +#endif + + { + dBlockNum = dTimeDiff / pHdr->dBlockDuration; + } + ulBlockNum = (UINT32)(dBlockNum + 0.5); + /* Is this block beyond our superblock? */ + if (ulBlockNum >= pHdr->ulInterleaveFactor) { + /* + * We must have had loss at the end of the + * previous superblock, since we have received + * a packet in the next superblock without having + * sent the current superblock. Therefore, we attempt + * to finish out the current superblock and send it. + */ + retVal = ra_depacki_deinterleave_send(pInt, ulSubStream); + if (retVal == HXR_OK) { + /* Now we need to update the block index */ + if (bKey) { + /* + * This packet is a keyframe packet, so + * we simply assign the new time and set + * the block index to 0. + */ + pHdr->ulKeyTime = pPacket->ulTime; + ulBlockNum = 0; + } else { + /* + * This is not a keyframe packet, so we need to + * keep adding the superblock time to the key time + * and keep subtracting interleave factor to the block + * index until we reach the range [0,intereaveFactor-1] + * for the index. + */ + do { + pHdr->ulKeyTime += pHdr->ulSuperBlockTime; + ulBlockNum -= pHdr->ulInterleaveFactor; + } while (ulBlockNum < pHdr->ulInterleaveFactor); + } + } + } + /* Sanity check on buffer copy parameters */ + if (ulBlockNum < pHdr->ulInterleaveFactor && + ((UINT32) pPacket->usDataLen) == pHdr->ulInterleaveBlockSize && + pHdr->pIPresentFlags) { + /* Copy the data into the interleave buffer */ + memcpy(pHdr->pIBuffer + ulBlockNum * pHdr->ulInterleaveBlockSize, + pPacket->pData, + pHdr->ulInterleaveBlockSize); + /* Set all the flags to be present for this block */ + pHdr->pIPresentFlags[ulBlockNum] = 0xFFFFFFFF; + /* Increment the block count in this superblock */ + pHdr->ulBlockCount++; + /* Is this the last block in the superblock? */ + if (ulBlockNum == pHdr->ulInterleaveFactor - 1) { + /* Deinterleave and send the blocks */ + retVal = ra_depacki_deinterleave_send(pInt, ulSubStream); + } else { + /* Not ready to send yet. Clear the return */ + retVal = HXR_OK; + } + } + } else { + /* + * We don't have a key block time or the key block time + * that we have is greater than the packet time, so we + * can't compute what slot this block should be in. This + * probably occurred because of loss at the beginning of the + * stream. We have to throw this packet away. + */ + retVal = HXR_OK; + } + } else { + /* + * The packet was lost. For now, don't do anything + * with the packet. We will deduce loss based entirely + * on timestamps for now. + */ + retVal = HXR_OK; + } + /* Save the information about the last packet */ + pHdr->lastPacket.ulTime = pPacket->ulTime; + pHdr->lastPacket.usStream = pPacket->usStream; + pHdr->lastPacket.usASMFlags = pPacket->usASMFlags; + pHdr->lastPacket.ucASMRule = pPacket->ucASMRule; + pHdr->lastPacket.ucLost = pPacket->ucLost; + pHdr->bHasLastPacket = TRUE; + } + + return retVal; +} + +HX_RESULT ra_depacki_parse_vbr_packet(ra_depack_internal* pInt, + rm_packet* pPacket, + UINT32* pulNumAU, + HXBOOL* pbFragmented, + UINT32* pulAUSize, + UINT32* pulAUFragSize) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pPacket && pulNumAU && pbFragmented && + pulAUSize && pulAUFragSize && + pPacket->pData && pPacket->usDataLen) { + /* Init local variables */ + BYTE* pBuf = pPacket->pData; + UINT32 ulSize = pPacket->usDataLen; + UINT32 ulPacketSize = ulSize; + UINT32 ulAUHeaderSizeBits = 0; + UINT32 ulAUHeaderSize = 0; + UINT32 ulNumAU = 0; + UINT32 ulAUSize = 0; + UINT32 ulAUSizeTotal = 0; + UINT32 i = 0; + UINT32 ulExpectedSize = 0; + /* Sanity check on size */ + if (ulSize >= 2) { + /* Get the AU header size in bits */ + ulAUHeaderSizeBits = rm_unpack16(&pBuf, &ulSize); + /* Convert to bytes (rounding up to next byte) */ + ulAUHeaderSize = (ulAUHeaderSizeBits + 7) >> 3; + /* + * Sanity check to make sure that the AU header size is + * greater than 0 and a multiple of 2 bytes + */ + if (ulAUHeaderSize && !(ulAUHeaderSize & 1)) { + /* + * Since we know that each AU header is 2 bytes, then + * we know that the number of AU's in this packet is + * ulAUHeaderSize / 2. + */ + ulNumAU = ulAUHeaderSize >> 1; + /* + * The audio/mpeg-generic spec says that each packet + * can either have a complete AU, a fragment of a single + * AU, or multiple complete AUs. Therefore, if the + * number of AUs is greater than 1, then we know we + * have ulNumAU *complete* AUs. Therefore, for more + * than one AU, we know what the exact size of the + * packet should be, and that should match up with + * the data size of the packet. + */ + retVal = HXR_OK; + for (i = 0; i < ulNumAU && retVal == HXR_OK; i++) { + if (ulSize >= 2) { + ulAUSize = rm_unpack16(&pBuf, &ulSize); + ulAUSizeTotal += ulAUSize; + } else { + retVal = HXR_FAIL; + } + } + if (retVal == HXR_OK) { + /* Compute the expected size of the packet */ + ulExpectedSize = 2 + /* AU header size (16 bits) */ + ulNumAU * 2 + /* AU sizes */ + ulAUSizeTotal; /* the AU's themselves */ + /* + * Check this against the actual size. If we have + * 1 AU, then the expected size can be greater than + * the actual size due to fragmentation. If we have + * more than more AU, then the expected size MUST + * match the actual size. + */ + if (ulNumAU > 1) { + if (ulExpectedSize == ulPacketSize) { + /* Multiple AUs, no fragmentation */ + *pbFragmented = FALSE; + } else { + /* Something wrong */ + retVal = HXR_FAIL; + } + } else if (ulNumAU == 1) { + if (ulExpectedSize > ulPacketSize) { + /* Fragmented single AU */ + *pbFragmented = TRUE; + } else { + /* Single AU, no fragmentation */ + *pbFragmented = FALSE; + } + /* Set the AU size */ + *pulAUSize = ulAUSizeTotal; + *pulAUFragSize = ulPacketSize - 4; + } + /* Assign the number of AU out parameter */ + if (retVal == HXR_OK) { + *pulNumAU = ulNumAU; + } + } + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_generate_and_send_loss(ra_depack_internal* pInt, + UINT32 ulSubStream, + UINT32 ulFirstStartTime, + UINT32 ulLastEndTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && ulSubStream < pInt->multiStreamHdr.ulNumSubStreams && + ulLastEndTime > ulFirstStartTime) { + HXDOUBLE dAUDuration = pInt->pSubStreamHdr[ulSubStream].dBlockDuration; + HXDOUBLE dDiff = ulLastEndTime - ulFirstStartTime; + UINT32 ulNumLossPackets = 0; + UINT32 i = 0; + UINT32 ulTSOffset = 0; + UINT32 ulTime = 0; + /* Compute the number of packets */ +#ifndef __ARC600__ + if (dAUDuration != 0.0) +#else + if (dAUDuration == 0.0) { + ; + } else +#endif + { + ulNumLossPackets = (UINT32)(dDiff / dAUDuration); + } + /* Clear the return value */ + retVal = HXR_OK; + /* Generate loss packets */ + for (i = 0; i < ulNumLossPackets && HX_SUCCEEDED(retVal); i++) { + ulTSOffset = (UINT32)(i * dAUDuration); + ulTime = ulFirstStartTime + ulTSOffset; + retVal = ra_depacki_send_block(pInt, + ulSubStream, + HXNULL, + 0, + ulTime, + 0); /* Flags of 0 indicate loss */ + } + } + + return retVal; +} + +#if RA_COPY_BUF +void ra_depacki_free_block(ra_block* pBlock) +{ + /* Free the data */ + if (pBlock->pData) { + AVMem_free(pBlock->pData); + pBlock->pData = HXNULL; + } +} +#endif + +HX_RESULT ra_depacki_send_block(ra_depack_internal* pInt, + UINT32 ulSubStream, + BYTE* pBuf, + UINT32 ulLen, + UINT32 ulTime, + UINT32 ulFlags) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->fpAvail) { + /* Allocate space for a ra_block structure */ + ra_block Block; + memset(&Block, 0, sizeof(Block)); + { + /* Clear the return value */ + retVal = HXR_OK; + /* Copy the buffer */ + if (pBuf && ulLen) { +#if RA_COPY_BUF + Block.pData = copy_buffer(pInt->pUserMem, + pInt->fpMalloc, + pBuf, ulLen); + if (Block.pData) { + Block.ulDataLen = ulLen; + } else { + retVal = HXR_OUTOFMEMORY; + } +#else + Block.pData = pBuf; + Block.ulDataLen = ulLen; +#endif + } + if (retVal == HXR_OK) { + /* Assign the timestamp and flags */ + Block.ulTimestamp = ulTime; + Block.ulDataFlags = ulFlags; + /* Send the block */ + retVal = pInt->fpAvail(pInt->pAvail, + ulSubStream, + &Block); + } +#if RA_COPY_BUF + ra_depacki_free_block(&Block); +#endif + } + } + + return retVal; +} + +HX_RESULT ra_depacki_handle_frag_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket, + UINT32 ulAUSize, + UINT32 ulAUFragSize) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && pPacket && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + UINT32 ulPacketSize = (UINT32) pPacket->usDataLen; + UINT32 ulPacketOffset = (ulPacketSize >= ulAUFragSize ? + ulPacketSize - ulAUFragSize : 0); + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Clear the return value */ + retVal = HXR_OK; + /* Have we allocated the frag buffer yet? */ + if (!pHdr->pFragBuffer) { + retVal = ra_depacki_init_frag_buffer(pInt, pHdr); + } + if (HX_SUCCEEDED(retVal)) { + /* + * Do we have a current fragment, and if so, is it + * a different timestamp from this fragment? + */ + if (pHdr->bHasFrag && pHdr->ulFragBufferTime != pPacket->ulTime) { + /* Clear the frag buffer */ + ra_depacki_clear_frag_buffer(pInt, pHdr); + } + /* + * Are we currently processing a fragment? If not, + * then initialize this fragment, resizing the + * buffer if necessary. + */ + if (!pHdr->bHasFrag) { + /* Make sure the buffer size is big enough */ + if (ulAUSize > pHdr->ulFragBufferSize) { + retVal = ra_depacki_resize_frag_buffer(pInt, pHdr, ulAUSize); + } + if (HX_SUCCEEDED(retVal)) { + /* Init the members for this fragment */ + pHdr->ulFragBufferOffset = 0; + pHdr->ulFragBufferTime = pPacket->ulTime; + pHdr->ulFragBufferAUSize = ulAUSize; + pHdr->bHasFrag = TRUE; + } + } + if (HX_SUCCEEDED(retVal)) { + /* Make sure we have room for the memcpy */ + if (pHdr->ulFragBufferOffset + ulAUFragSize <= pHdr->ulFragBufferSize && + ulPacketOffset + ulAUFragSize <= ulPacketSize) { + /* Copy this buffer in */ + memcpy(pHdr->pFragBuffer + pHdr->ulFragBufferOffset, + pPacket->pData + ulPacketOffset, + ulAUFragSize); + /* Update the frag buffer offset */ + pHdr->ulFragBufferOffset += ulAUFragSize; + /* Have we finished the fragmented AU? */ + if (pHdr->ulFragBufferOffset >= pHdr->ulFragBufferAUSize) { + /* Send the frag buffer */ + retVal = ra_depacki_send_block(pInt, ulSubStream, + pHdr->pFragBuffer, + pHdr->ulFragBufferAUSize, + pHdr->ulFragBufferTime, + 0xFFFFFFFF); + /* Whether we succeed or not, clear the frag buffer */ + ra_depacki_clear_frag_buffer(pInt, pHdr); + } + } else { + retVal = HXR_FAIL; + } + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_handle_nonfrag_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket, + UINT32 ulNumAU) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && pPacket && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Init the local variables */ + UINT32 ulAUDataSizeSum = 0; + UINT32 i = 0; + BYTE* pBuf = pPacket->pData; + UINT32 ulLen = pPacket->usDataLen; + UINT32 ulTSOffset = 0; + UINT32 ulAUSize = 0; + UINT32 ulBufOffset = 0; + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* + * We can clear the frag queue. If there was no + * loss in the last fragmented AU, then it was + * cleared after the packet was created. If there + * WAS loss in the last fragmented AU, then we + * just handled it by generating loss packets. + */ + ra_depacki_clear_frag_buffer(pInt, pHdr); + /* Clear the return value */ + retVal = HXR_OK; + /* Step through the packet sending blocks */ + for (i = 0; i < ulNumAU && HX_SUCCEEDED(retVal); i++) { + /* Set the return value */ + retVal = HXR_FAIL; + /* Compute the time offset for this block */ + ulTSOffset = (UINT32)(i * pHdr->dBlockDuration); + /* Compute the buffer offset for the AU size */ + ulBufOffset = 2 + (i << 1); + /* Sanity check on packet size */ + if (ulBufOffset + 1 < ulLen) { + /* Parse out the size of this AU */ + ulAUSize = rm_unpack16_nse(pBuf + ulBufOffset, + ulLen - ulBufOffset); + /* Compute the offset of the AU */ + ulBufOffset = 2 + ulNumAU * 2 + ulAUDataSizeSum; + /* Sanity check on size */ + if (ulBufOffset + ulAUSize <= ulLen) { + /* Send this AU */ + retVal = ra_depacki_send_block(pInt, + ulSubStream, + pBuf + ulBufOffset, + ulAUSize, + pPacket->ulTime + ulTSOffset, + 0xFFFFFFFF); + if (retVal == HXR_OK) { + /* Update the AU data size sum */ + ulAUDataSizeSum += ulAUSize; + } + } + } + } + if (HX_SUCCEEDED(retVal)) { + /* Update the end time of the last block sent */ + ulTSOffset = (UINT32)(ulNumAU * pHdr->dBlockDuration); + pHdr->ulLastSentEndTime = pPacket->ulTime + ulTSOffset; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_init_frag_buffer(ra_depack_internal* pInt, + ra_substream_hdr* pHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pHdr && !pHdr->pFragBuffer) { + /* Allocate the frag buffer */ + pHdr->pFragBuffer = ra_depacki_malloc(pInt, INITIAL_FRAG_BUFFER_SIZE); + if (pHdr->pFragBuffer) { + /* Zero out the buffer */ + memset(pHdr->pFragBuffer, 0, INITIAL_FRAG_BUFFER_SIZE); + /* Init the members */ + pHdr->ulFragBufferSize = INITIAL_FRAG_BUFFER_SIZE; + pHdr->ulFragBufferTime = 0; + pHdr->ulFragBufferOffset = 0; + pHdr->ulFragBufferAUSize = 0; + pHdr->bHasFrag = FALSE; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_resize_frag_buffer(ra_depack_internal* pInt, + ra_substream_hdr* pHdr, + UINT32 ulNewSize) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pHdr && pHdr->pFragBuffer) { + /* Allocate a new buffer */ + BYTE* pNewBuf = ra_depacki_malloc(pInt, ulNewSize); + if (pNewBuf) { + /* Copy the old buffer */ + if (pHdr->ulFragBufferOffset) { + memcpy(pNewBuf, pHdr->pFragBuffer, pHdr->ulFragBufferOffset); + } + /* NULL out the rest of the buffer */ + memset(pNewBuf + pHdr->ulFragBufferOffset, 0, + ulNewSize - pHdr->ulFragBufferOffset); + /* Free the old buffer */ + ra_depacki_free(pInt, pHdr->pFragBuffer); + /* Assign the members. We won't change time or offset */ + pHdr->pFragBuffer = pNewBuf; + pHdr->ulFragBufferSize = ulNewSize; + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +void ra_depacki_clear_frag_buffer(ra_depack_internal* pInt, + ra_substream_hdr* hdr) +{ + if (pInt && hdr && hdr->bHasFrag) { + /* Clear the frag buffer members */ + hdr->bHasFrag = FALSE; + hdr->ulFragBufferAUSize = 0; + hdr->ulFragBufferOffset = 0; + hdr->ulFragBufferTime = 0; + } +} + +HX_RESULT ra_depacki_seek(ra_depack_internal* pInt, UINT32 ulTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr) { + /* + * Loop through all the substream headers + * and set the bSeeked flag. + */ + UINT32 i = 0; + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams; i++) { + pInt->pSubStreamHdr[i].bSeeked = TRUE; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_deinterleave_send(ra_depack_internal* pInt, UINT32 ulSubStream) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams && + pInt->fpAvail) { + /* Init local variables */ + UINT32 i = 0; + UINT32 ulTimeOffset = 0; + UINT32 ulTimestamp = 0; + HXDOUBLE dTimeOffset = 0.0; + ra_block Block; + /* Deinterleave the superblock */ + retVal = ra_depacki_deinterleave(pInt, ulSubStream); + if (retVal == HXR_OK) { + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Send the blocks from the deinterleave buffer */ + for (i = 0; i < pHdr->ulBlockCount&& i < pHdr->ulInterleaveFactor && HX_SUCCEEDED(retVal); i++) { + /* Set the return value */ + retVal = HXR_OUTOFMEMORY; + /* Compute the time offset for this block */ + dTimeOffset = i * pHdr->dBlockDuration; + ulTimeOffset = (UINT32) dTimeOffset; + ulTimestamp = pHdr->ulKeyTime + ulTimeOffset; + /* Make sure the time is less than the stream duration */ + if (ulTimestamp <= pInt->ulStreamDuration) { +#if RA_COPY_BUF + /* Alloc and copy the buffer */ + Block.pData = copy_buffer(pInt->pUserMem, + pInt->fpMalloc, + pHdr->pDBuffer + i * pHdr->ulInterleaveBlockSize, + pHdr->ulInterleaveBlockSize); +#else + Block.pData = pHdr->pDBuffer + i * pHdr->ulInterleaveBlockSize; +#endif + if (Block.pData) { + Block.ulDataLen = pHdr->ulInterleaveBlockSize; + Block.ulTimestamp = ulTimestamp; + Block.ulDataFlags = pHdr->pDPresentFlags[i]; + /* Send the block */ + retVal = pInt->fpAvail(pInt->pAvail, ulSubStream, &Block); + } +#if RA_COPY_BUF + ra_depacki_free_block(&Block); +#endif + } else { + /* + * Block is after the stream duration, so clear + * the return value and break out of the loop. + */ + retVal = HXR_OK; + break; + } + } + /* Clear the interleaving buffers */ + memset(pHdr->pIBuffer, 0, pHdr->ulSuperBlockSize); + memset(pHdr->pDBuffer, 0, pHdr->ulSuperBlockSize); + memset(pHdr->pIPresentFlags, 0, pHdr->ulInterleaveFactor * sizeof(UINT32)); + memset(pHdr->pDPresentFlags, 0, pHdr->ulInterleaveFactor * sizeof(UINT32)); + /* Clear the state */ + pHdr->bHasKeyTime = FALSE; + pHdr->ulKeyTime = 0; + pHdr->ulBlockCount = 0; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_deinterleave(ra_depack_internal* pInt, UINT32 ulSubStream) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Get the interleaver ID */ + UINT32 ulID = pInt->pSubStreamHdr[ulSubStream].ulInterleaverID; + /* Switch based on ID */ + switch (ulID) { +#if 0 + case RA_INTERLEAVER_SIPR: + retVal = ra_depacki_deinterleave_sipr(pInt, ulSubStream); + break; +#endif + case RA_INTERLEAVER_GENR: + retVal = ra_depacki_deinterleave_genr(pInt, ulSubStream); + break; + case RA_NO_INTERLEAVER: + retVal = ra_depacki_deinterleave_no(pInt, ulSubStream); + break; + } + } + + return retVal; +} + +#if 0 +HX_RESULT ra_depacki_deinterleave_sipr(ra_depack_internal* pInt, UINT32 ulSubStream) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Sanity check */ + if (pHdr->pIBuffer && pHdr->pDBuffer && + pHdr->pIPresentFlags && pHdr->pDPresentFlags) { + /* + * This is an in-place interleaving, so copy from + * pIBuffer to pDBuffer and then we will do the + * de-interleaving in-place in pDBuffer. + */ + memcpy(pHdr->pDBuffer, pHdr->pIBuffer, pHdr->ulSuperBlockSize); + /* Copy the flags */ + memcpy(pHdr->pDPresentFlags, pHdr->pIPresentFlags, + pHdr->ulInterleaveFactor * sizeof(UINT32)); + /* Do the de-interleave */ + RASL_DeInterleave((char*) pHdr->pDBuffer, + pHdr->ulSuperBlockSize, + pHdr->usFlavorIndex, + pHdr->pDPresentFlags); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} +#endif + +HX_RESULT ra_depacki_init_genr(ra_depack_internal* pInt, UINT32 ulSubStream) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Init local variables */ + UINT32 ulFramesPerBlock = 0; + UINT32 ulSize = 0; + UINT32 ulBlockIndx = 0; + UINT32 ulFrameIndx = 0; + UINT32 ulIndx = 0; + UINT32 i = 0; + UINT32 j = 0; + UINT32 ulCount = 0; + HXBOOL bEven = FALSE; + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Sanity check */ + if (pHdr->ulCodecFrameSize && pHdr->ulNumCodecFrames) { + /* Compute the codec frames per block */ + ulFramesPerBlock = pHdr->ulInterleaveBlockSize / pHdr->ulCodecFrameSize; + /* Allocate space for the block num and offset */ + ulSize = pHdr->ulNumCodecFrames * sizeof(UINT32); + pHdr->pulGENRBlockNum = (UINT32*) ra_depacki_malloc(pInt, ulSize); + if (pHdr->pulGENRBlockNum) { + pHdr->pulGENRBlockOffset = (UINT32*) ra_depacki_malloc(pInt, ulSize); + if (pHdr->pulGENRBlockOffset) { + pHdr->pulGENRPattern = (UINT32*) ra_depacki_malloc(pInt, ulSize); + if (pHdr->pulGENRPattern) { + /* Initialize the block num and offset arrays */ + for (ulBlockIndx = 0; ulBlockIndx < pHdr->ulInterleaveFactor; ulBlockIndx++) { + for (ulFrameIndx = 0; ulFrameIndx < ulFramesPerBlock; ulFrameIndx++) { + ulIndx = ulBlockIndx * ulFramesPerBlock + ulFrameIndx; + pHdr->pulGENRBlockNum[ulIndx] = ulBlockIndx; + pHdr->pulGENRBlockOffset[ulIndx] = ulFrameIndx; + } + } + /* Do we have a pattern from the stream header? */ + if (pHdr->pulInterleavePattern) { + /* Copy the pattern from the stream header */ + memcpy(pHdr->pulGENRPattern, + pHdr->pulInterleavePattern, + ulSize); + /* + * Check the pattern for validity by making sure + * that each frame index is used once and only + * once in the interleave pattern. + */ + retVal = HXR_OK; + for (i = 0; i < pHdr->ulNumCodecFrames; i++) { + /* Init the count */ + ulCount = 0; + /* Count how many times index i appears in table */ + for (j = 0; j < pHdr->ulNumCodecFrames; j++) { + if (pHdr->pulGENRPattern[j] == i) { + ulCount++; + } + } + /* Make sure it's just once */ + if (ulCount != 1) { + retVal = HXR_FAIL; + break; + } + } + } else { + /* Clear the return value */ + retVal = HXR_OK; + /* + * We don't have a stream header pattern, so + * we generate the standard interleave pattern. + */ + if (pHdr->ulInterleaveFactor == 1) { + for (i = 0; i < pHdr->ulNumCodecFrames; i++) { + pHdr->pulGENRPattern[i] = i; + } + } else { + bEven = TRUE; + ulCount = 0; + ulBlockIndx = 0; + ulFrameIndx = 0; + while (ulCount < pHdr->ulNumCodecFrames) { + pHdr->pulGENRPattern[ulCount] = ulBlockIndx * ulFramesPerBlock + ulFrameIndx; + ulCount++; + ulBlockIndx += 2; + if (ulBlockIndx >= pHdr->ulInterleaveFactor) { + if (bEven) { + bEven = FALSE; + ulBlockIndx = 1; + } else { + bEven = TRUE; + ulBlockIndx = 0; + ulFrameIndx++; + } + } + } + } + } + } + } + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_deinterleave_genr(ra_depack_internal* pInt, UINT32 ulSubStream) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Init local variables */ + UINT32 fi = 0; + UINT32 fo = 0; + UINT32 ulBlkIndxIn = 0; + UINT32 ulBlkIndxOut = 0; + UINT32 ulBlkOffset = 0; + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Sanity check */ + if (pHdr->pIBuffer && pHdr->pDBuffer && + pHdr->pIPresentFlags && pHdr->pDPresentFlags) { + /* Set all the output flags to present initially */ + memset(pHdr->pDPresentFlags, 0xFF, + pHdr->ulInterleaveFactor * sizeof(UINT32)); + /* Deinterleave the data */ + for (fo = 0; fo < pHdr->ulNumCodecFrames; fo++) { + /* Copy the data */ + fi = pHdr->pulGENRPattern[fo]; + memcpy(pHdr->pDBuffer + fo * pHdr->ulCodecFrameSize, + pHdr->pIBuffer + fi * pHdr->ulCodecFrameSize, + pHdr->ulCodecFrameSize); + /* Look up which block this frame comes from */ + ulBlkIndxIn = pHdr->pulGENRBlockNum[fi]; + /* Is this codec frame present? */ + if (!pHdr->pIPresentFlags[ulBlkIndxIn]) { + /* + * Frame was part of a lost block. So clear + * the bit that says the frame was present. + */ + ulBlkIndxOut = pHdr->pulGENRBlockNum[fo]; + ulBlkOffset = pHdr->pulGENRBlockOffset[fo]; + pHdr->pDPresentFlags[ulBlkIndxOut] ^= (1 << ulBlkOffset); + } + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_deinterleave_no(ra_depack_internal* pInt, UINT32 ulSubStream) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Init local variables */ + UINT32 fi = 0; + UINT32 fo = 0; + UINT32 ulBlkIndxIn = 0; + UINT32 ulBlkIndxOut = 0; + UINT32 ulBlkOffset = 0; + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Sanity check */ + if (pHdr->pIBuffer && pHdr->pDBuffer && + pHdr->pIPresentFlags && pHdr->pDPresentFlags) { + /* Set all the output flags to present initially */ + memset(pHdr->pDPresentFlags, 0xFF, + pHdr->ulInterleaveFactor * sizeof(UINT32)); + /* Deinterleave the data */ + for (fo = 0; fo < pHdr->ulNumCodecFrames; fo++) { + /* Copy the data */ + fi = fo; + memcpy(pHdr->pDBuffer + fo * pHdr->ulCodecFrameSize, + pHdr->pIBuffer + fi * pHdr->ulCodecFrameSize, + pHdr->ulCodecFrameSize); + /* Look up which block this frame comes from */ + ulBlkIndxIn = pHdr->pulGENRBlockNum[fi]; + /* Is this codec frame present? */ + if (!pHdr->pIPresentFlags[ulBlkIndxIn]) { + /* + * Frame was part of a lost block. So clear + * the bit that says the frame was present. + */ + ulBlkIndxOut = pHdr->pulGENRBlockNum[fo]; + ulBlkOffset = pHdr->pulGENRBlockOffset[fo]; + pHdr->pDPresentFlags[ulBlkIndxOut] ^= (1 << ulBlkOffset); + } + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} diff --git a/audio_codec/libcook/ra_depack_internal.h b/audio_codec/libcook/ra_depack_internal.h new file mode 100644 index 0000000..d139598 --- a/dev/null +++ b/audio_codec/libcook/ra_depack_internal.h @@ -0,0 +1,232 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ra_depack_internal.h,v 1.1.1.1.2.1 2005/05/04 18:21:33 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RA_DEPACK_INTERNAL_H +#define RA_DEPACK_INTERNAL_H + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "rm_error.h" +#include "ra_depack.h" +#include "stream_hdr_structs.h" + +#ifdef __cplusplus +extern "C" { +#endif + + /* + * Internal substream header struct + */ + typedef struct ra_substream_hdr_struct { + UINT16 usRAFormatVersion; /* 3, 4, or 5 */ + UINT16 usRAFormatRevision; /* should be 0 */ + UINT16 usHeaderBytes; /* size of raheader info */ + UINT16 usFlavorIndex; /* compression type */ + UINT32 ulGranularity; /* size of one block of encoded data */ + UINT32 ulTotalBytes; /* total bytes of ra data */ + UINT32 ulBytesPerMin; /* data rate of encoded and interleaved data */ + UINT32 ulBytesPerMin2; /* data rate of interleaved or non-interleaved data */ + UINT32 ulInterleaveFactor; /* number of blocks per superblock */ + UINT32 ulInterleaveBlockSize; /* size of each interleave block */ + UINT32 ulCodecFrameSize; /* size of each audio frame */ + UINT32 ulUserData; /* extra field for user data */ + UINT32 ulSampleRate; /* sample rate of decoded audio */ + UINT32 ulActualSampleRate; /* sample rate of decoded audio */ + UINT32 ulSampleSize; /* bits per sample in decoded audio */ + UINT32 ulChannels; /* number of audio channels in decoded audio */ + UINT32 ulInterleaverID; /* interleaver 4cc */ + UINT32 ulCodecID; /* codec 4cc */ + BYTE bIsInterleaved; /* 1 if file has been interleaved */ + BYTE bCopyByte; /* copy enable byte, if 1 allow copies (SelectiveRecord) */ + BYTE ucStreamType; /* i.e. LIVE_STREAM, FILE_STREAM */ + BYTE ucScatterType; /* the interleave pattern type 0==cyclic,1==pattern */ + UINT32 ulNumCodecFrames; /* number of codec frames in a superblock */ + UINT32* pulInterleavePattern; /* the pattern of interleave if not cyclic */ + UINT32 ulOpaqueDataSize; /* size of the codec specific data */ + BYTE* pOpaqueData; /* codec specific data */ + HXDOUBLE dBlockDuration; /* Duration in ms of audio "block" */ + UINT32 ulLastSentEndTime; /* Ending time of last sent audio frame */ + BYTE* pFragBuffer; /* Intermediate buffer for reconstructing VBR packets */ + UINT32 ulFragBufferSize; /* Size of intermediate buffer */ + UINT32 ulFragBufferAUSize; /* Size of AU being reconstructed */ + UINT32 ulFragBufferOffset; /* Current offset within AU */ + UINT32 ulFragBufferTime; /* Timestamp of AU being reconstructed */ + UINT32 ulSuperBlockSize; /* ulInterleaveBlockSize * ulInterleaveFactor */ + UINT32 ulSuperBlockTime; /* dBlockDuration * ulInterleaveFactor */ + UINT32 ulKeyTime; /* Timestamp of keyframe packet */ + BYTE* pIBuffer; /* Buffer holding interleaved blocks */ + BYTE* pDBuffer; /* Buffer holding de-interleaved blocks */ + UINT32* pIPresentFlags; /* number of UINT32s: ulInterleaveBlockSize */ + UINT32* pDPresentFlags; /* number of UINT32s: ulInterleaveBlockSize */ + UINT32 ulBlockCount; /* number of blocks currently in superblock */ + UINT32* pulGENRPattern; /* Interleave pattern for GENR interleaver */ + UINT32* pulGENRBlockNum; + UINT32* pulGENRBlockOffset; + rm_packet lastPacket; + HX_BITFIELD bIsVBR : 1; + HX_BITFIELD bSeeked : 1; + HX_BITFIELD bLossOccurred : 1; + HX_BITFIELD bHasKeyTime : 1; /* Do we have a time for the key slot? */ + HX_BITFIELD bHasFrag : 1; + HX_BITFIELD bAdjustTimestamps : 1; + HX_BITFIELD bKnowIfAdjustNeeded : 1; + HX_BITFIELD bHasLastPacket : 1; + } ra_substream_hdr; + + /* + * Internal ra_depack struct + */ + typedef struct ra_depack_internal_struct { + void* pAvail; + ra_block_avail_func_ptr fpAvail; + rm_error_func_ptr fpError; + void* pUserError; + rm_malloc_func_ptr fpMalloc; + rm_free_func_ptr fpFree; + void* pUserMem; + rm_rule_map rule2Flag; + rm_multistream_hdr multiStreamHdr; + ra_substream_hdr* pSubStreamHdr; + UINT32 ulTrackStartTime; + UINT32 ulTrackEndTime; + UINT32 ulEndTime; + UINT32 ulStreamDuration; + HX_BITFIELD bForceTrackStartTime : 1; + HX_BITFIELD bForceTrackEndTime : 1; + HX_BITFIELD bStreamSwitchable : 1; + HX_BITFIELD bAllVBR : 1; + HX_BITFIELD bAllNonVBR : 1; + HX_BITFIELD bHasEndTime : 1; + } ra_depack_internal; + + /* + * Internal ra_depack functions + */ + void* ra_depacki_malloc(ra_depack_internal* pInt, UINT32 ulSize); + void ra_depacki_free(ra_depack_internal* pInt, void* pMem); + HX_RESULT ra_depacki_init(ra_depack_internal* pInt, rm_stream_header* hdr); + HX_RESULT ra_depacki_unpack_rule_map(ra_depack_internal* pInt, + rm_rule_map* pMap, + BYTE** ppBuf, + UINT32* pulLen); + HX_RESULT ra_depacki_unpack_multistream_hdr(ra_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen); + HX_RESULT ra_depacki_unpack_opaque_data(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen); + void ra_depacki_cleanup_substream_hdr(ra_depack_internal* pInt, + ra_substream_hdr* hdr); + void ra_depacki_cleanup_substream_hdr_array(ra_depack_internal* pInt); + HX_RESULT ra_depacki_unpack_substream_hdr(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr); + HX_RESULT ra_depacki_unpack_raformat3(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr); + HX_RESULT ra_depacki_unpack_raformat4(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr); + HX_RESULT ra_depacki_unpack_raformat5(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr); + HX_RESULT ra_depacki_get_format_info(ra_depack_internal* pInt, + UINT32 ulSubStream, + ra_format_info* pInfo); + void ra_depacki_cleanup_format_info(ra_depack_internal* pInt, + ra_format_info* pInfo); + UINT32 ra_depacki_rule_to_flags(ra_depack_internal* pInt, UINT32 ulRule); + HXBOOL ra_depacki_is_keyframe_rule(ra_depack_internal* pInt, UINT32 ulRule); + UINT32 ra_depacki_rule_to_substream(ra_depack_internal* pInt, UINT32 ulRule); + HX_RESULT ra_depacki_add_packet(ra_depack_internal* pInt, + rm_packet* pPacket); + HX_RESULT ra_depacki_add_vbr_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket); + HX_RESULT ra_depacki_add_non_vbr_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket); + HX_RESULT ra_depacki_parse_vbr_packet(ra_depack_internal* pInt, + rm_packet* pPacket, + UINT32* pulNumAU, + HXBOOL* pbFragmented, + UINT32* pulAUSize, + UINT32* pulAUFragSize); + HX_RESULT ra_depacki_generate_and_send_loss(ra_depack_internal* pInt, + UINT32 ulSubStream, + UINT32 ulFirstStartTime, + UINT32 ulLastEndTime); + HX_RESULT ra_depacki_send_block(ra_depack_internal* pInt, + UINT32 ulSubStream, + BYTE* pBuf, + UINT32 ulLen, + UINT32 ulTime, + UINT32 ulFlags); + HX_RESULT ra_depacki_handle_frag_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket, + UINT32 ulAUSize, + UINT32 ulAUFragSize); + HX_RESULT ra_depacki_handle_nonfrag_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket, + UINT32 ulNumAU); + HX_RESULT ra_depacki_init_frag_buffer(ra_depack_internal* pInt, + ra_substream_hdr* pHdr); + HX_RESULT ra_depacki_resize_frag_buffer(ra_depack_internal* pInt, + ra_substream_hdr* pHdr, + UINT32 ulNewSize); + void ra_depacki_clear_frag_buffer(ra_depack_internal* pInt, + ra_substream_hdr* hdr); + HX_RESULT ra_depacki_seek(ra_depack_internal* pInt, UINT32 ulTime); + HX_RESULT ra_depacki_deinterleave_send(ra_depack_internal* pInt, UINT32 ulSubStream); + HX_RESULT ra_depacki_deinterleave(ra_depack_internal* pInt, UINT32 ulSubStream); + HX_RESULT ra_depacki_deinterleave_sipr(ra_depack_internal* pInt, UINT32 ulSubStream); + HX_RESULT ra_depacki_init_genr(ra_depack_internal* pInt, UINT32 ulSubStream); + HX_RESULT ra_depacki_deinterleave_genr(ra_depack_internal* pInt, UINT32 ulSubStream); + HX_RESULT ra_depacki_deinterleave_no(ra_depack_internal* pInt, UINT32 ulSubStream); + +#ifdef __cplusplus +} +#endif + +#endif /* #ifndef RA_DEPACK_INTERNAL_H */ diff --git a/audio_codec/libcook/ra_envelope.c b/audio_codec/libcook/ra_envelope.c new file mode 100644 index 0000000..87a7f33 --- a/dev/null +++ b/audio_codec/libcook/ra_envelope.c @@ -0,0 +1,123 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: envelope.c,v 1.6 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * envelope.c - power envelope reconstruction + **************************************************************************************/ + +#include "coder.h" + +/* coding params for rms[0] */ +#define RMS0BITS 6 /* bits for env[0] */ +#define RMS0MIN -6 /* arbitrary! */ +#define CODE2RMS(i) ((i)+(RMS0MIN)) + +/************************************************************************************** + * Function: DecodeEnvelope + * + * Description: decode the power envelope + * + * Inputs: pointer to initialized Gecko2Info struct + * number of bits remaining in bitstream for this frame + * index of current channel + * + * Outputs: rmsIndex[0, ..., cregsions-1] has power index for each region + * updated rmsMax with largest value of rmsImdex for this channel + * + * Return: number of bits remaining in bitstream, -1 if out-of-bits + **************************************************************************************/ +int DecodeEnvelope(Gecko2Info *gi, int availbits, int ch) +{ + int r, code, nbits, rprime, cache, rmsMax; + int *rmsIndex = gi->db.rmsIndex; + BitStreamInfo *bsi = &(gi->bsi); + + if (availbits < RMS0BITS) { + return -1; + } + + /* unpack first index */ + code = GetBits(bsi, RMS0BITS, 1); + availbits -= RMS0BITS; + rmsIndex[0] = CODE2RMS(code); + + /* check for escape code */ + /* ASSERT(rmsIndex[0] != 0); */ + + rmsMax = rmsIndex[0]; + for (r = 1; r < gi->cRegions; r++) { + + /* for interleaved regions, choose a reasonable table */ + if (r < 2 * gi->cplStart) { + rprime = r >> 1; + if (rprime < 1) { + rprime = 1; + } + } else { + rprime = r - gi->cplStart; + } + + /* above NUM_POWTABLES, always use the same Huffman table */ + if (rprime > NUM_POWTABLES) { + rprime = NUM_POWTABLES; + } + + cache = GetBits(bsi, MAX_HUFF_BITS, 0); + nbits = DecodeHuffmanScalar(huffTabPower, &huffTabPowerInfo[rprime - 1], cache, &code); + + /* ran out of bits coding power envelope - should not happen (encoder spec) */ + if (nbits > availbits) { + return -1; + } + + availbits -= nbits; + AdvanceBitstream(bsi, nbits); + + /* encoder uses differential coding with differences constrained to the range [-12, 11] */ + rmsIndex[r] = rmsIndex[r - 1] + (code - 12); + if (rmsIndex[r] > rmsMax) { + rmsMax = rmsIndex[r]; + } + } + gi->rmsMax[ch] = rmsMax; + + return availbits; +} diff --git a/audio_codec/libcook/ra_fft.c b/audio_codec/libcook/ra_fft.c new file mode 100644 index 0000000..6091de9 --- a/dev/null +++ b/audio_codec/libcook/ra_fft.c @@ -0,0 +1,368 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: fft.c,v 1.4 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Ken Cooke (kenc@real.com), Jon Recker(jrecker@real.com) + * October 2003 + * + * fft.c - Ken's highly optimized radix-4 DIT FFT, with optional radix-8 first pass + * for odd powers of 2 + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +#define NUM_FFT_SIZES 3 +static const int nfftTab[NUM_FFT_SIZES] = {128, 256, 512}; +static const int nfftlog2Tab[NUM_FFT_SIZES] = {7, 8, 9}; + +#define SQRT1_2 1518500250 /* sqrt(1/2) in Q31 */ + +#define swapcplx(p0,p1) \ + t = p0; t1 = *(&(p0)+1); p0 = p1; *(&(p0)+1) = *(&(p1)+1); p1 = t; *(&(p1)+1) = t1 + +/************************************************************************************** + * Function: BitReverse + * + * Description: Ken's fast in-place bit reverse, using super-small table + * + * Inputs: buffer of samples + * table index (for transform size) + * + * Outputs: bit-reversed samples in same buffer + * + * Return: none + **************************************************************************************/ +static void BitReverse(int *inout, int tabidx) +{ + /* 1st part: non-id */ + int *part0, *part1; + int a, b, t, t1; + const unsigned char* tab = bitrevtab + bitrevtabOffset[tabidx]; + int nbits = nfftlog2Tab[tabidx]; + + part0 = inout; + part1 = inout + (1 << nbits); + + while ((a = *tab++) != 0) { + b = *tab++; + + swapcplx(part0[4 * a + 0], part0[4 * b + 0]); /* 0xxx0 <-> 0yyy0 */ + swapcplx(part0[4 * a + 2], part1[4 * b + 0]); /* 0xxx1 <-> 1yyy0 */ + swapcplx(part1[4 * a + 0], part0[4 * b + 2]); /* 1xxx0 <-> 0yyy1 */ + swapcplx(part1[4 * a + 2], part1[4 * b + 2]); /* 1xxx1 <-> 1yyy1 */ + } + + do { + swapcplx(part0[4 * a + 2], part1[4 * a + 0]); /* 0xxx1 <-> 1xxx0 */ + } while ((a = *tab++) != 0); +} + +/************************************************************************************** + * Function: R4FirstPass + * + * Description: radix-4 trivial pass for decimation-in-time FFT + * + * Inputs: buffer of (bit-reversed) samples + * number of R4 butterflies per group (i.e. nfft / 4) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 3 guard bits, gains no integer bits, + * guard bits out = guard bits in - 3 + **************************************************************************************/ +static void R4FirstPass(int *x, int bg) +{ + int ar, ai, br, bi, cr, ci, dr, di; + + for (; bg != 0; bg--) { + + ar = x[0] + x[2]; + br = x[0] - x[2]; + ai = x[1] + x[3]; + bi = x[1] - x[3]; + cr = x[4] + x[6]; + dr = x[4] - x[6]; + ci = x[5] + x[7]; + di = x[5] - x[7]; + + x[0] = ar + cr; + x[4] = ar - cr; + x[1] = ai + ci; + x[5] = ai - ci; + x[2] = br + di; + x[6] = br - di; + x[3] = bi - dr; + x[7] = bi + dr; + + x += 8; + } +} + +/************************************************************************************** + * Function: R8FirstPass + * + * Description: radix-8 trivial pass for decimation-in-time FFT + * + * Inputs: buffer of (bit-reversed) samples + * number of R8 butterflies per group (i.e. nfft / 8) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 3 guard bits, gains 1 integer bit, + * guard bits out = guard bits in - 3 + **************************************************************************************/ +static void R8FirstPass(int *x, int bg) +{ + int ar, ai, br, bi, cr, ci, dr, di; + int sr, si, tr, ti, ur, ui, vr, vi; + int wr, wi, xr, xi, yr, yi, zr, zi; + + for (; bg != 0; bg--) { + + ar = x[0] + x[2]; + br = x[0] - x[2]; + ai = x[1] + x[3]; + bi = x[1] - x[3]; + cr = x[4] + x[6]; + dr = x[4] - x[6]; + ci = x[5] + x[7]; + di = x[5] - x[7]; + + sr = ar + cr; + ur = ar - cr; + si = ai + ci; + ui = ai - ci; + tr = br - di; + vr = br + di; + ti = bi + dr; + vi = bi - dr; + + ar = x[ 8] + x[10]; + br = x[ 8] - x[10]; + ai = x[ 9] + x[11]; + bi = x[ 9] - x[11]; + cr = x[12] + x[14]; + dr = x[12] - x[14]; + ci = x[13] + x[15]; + di = x[13] - x[15]; + + wr = (ar + cr) >> 1; + yr = (ar - cr) >> 1; + wi = (ai + ci) >> 1; + yi = (ai - ci) >> 1; + + /* gain 1 bit per R8 pass */ + x[ 0] = (sr >> 1) + wr; + x[ 8] = (sr >> 1) - wr; + x[ 1] = (si >> 1) + wi; + x[ 9] = (si >> 1) - wi; + x[ 4] = (ur >> 1) + yi; + x[12] = (ur >> 1) - yi; + x[ 5] = (ui >> 1) - yr; + x[13] = (ui >> 1) + yr; + + ar = br - di; + cr = br + di; + ai = bi + dr; + ci = bi - dr; + + /* gain 1 bit from mul by Q31 */ + xr = MULSHIFT32(SQRT1_2, ar - ai); + xi = MULSHIFT32(SQRT1_2, ar + ai); + zr = MULSHIFT32(SQRT1_2, cr - ci); + zi = MULSHIFT32(SQRT1_2, cr + ci); + + x[ 6] = (tr >> 1) - xr; + x[14] = (tr >> 1) + xr; + x[ 7] = (ti >> 1) - xi; + x[15] = (ti >> 1) + xi; + x[ 2] = (vr >> 1) + zi; + x[10] = (vr >> 1) - zi; + x[ 3] = (vi >> 1) - zr; + x[11] = (vi >> 1) + zr; + + x += 16; + } +} + +/************************************************************************************** + * Function: R4Core + * + * Description: radix-4 pass for decimation-in-time FFT + * number of R4 butterflies per group + * number of R4 groups per pass + * pointer to twiddle factors tables + * + * Inputs: buffer of samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: gain 2 integer bits per pass (see notes on R4FFT for scaling info) + * for final multiply, can use SMLAL (if it pays off - needs extra + * mov rLO, #0 before SMLAL if using inline asm from C) + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + **************************************************************************************/ +static void R4Core(int *x, int bg, int gp, int *wtab) +{ + int ar, ai, br, bi, cr, ci, dr, di, tr, ti; + int wd, ws, wi; + int i, j, step; + int *xptr, *wptr; + + for (; bg != 0; gp <<= 2, bg >>= 2) { + + step = 2 * gp; + xptr = x; + + for (i = bg; i != 0; i--) { + + wptr = wtab; + + for (j = gp; j != 0; j--) { + + ar = xptr[0]; + ai = xptr[1]; + xptr += step; + + ws = wptr[0]; + wi = wptr[1]; + br = xptr[0]; + bi = xptr[1]; + wd = ws + 2 * wi; + tr = MULSHIFT32(wi, br + bi); + br = MULSHIFT32(wd, br) - tr; + bi = MULSHIFT32(ws, bi) + tr; + xptr += step; + + ws = wptr[2]; + wi = wptr[3]; + cr = xptr[0]; + ci = xptr[1]; + wd = ws + 2 * wi; + tr = MULSHIFT32(wi, cr + ci); + cr = MULSHIFT32(wd, cr) - tr; + ci = MULSHIFT32(ws, ci) + tr; + xptr += step; + + ws = wptr[4]; + wi = wptr[5]; + dr = xptr[0]; + di = xptr[1]; + wd = ws + 2 * wi; + tr = MULSHIFT32(wi, dr + di); + dr = MULSHIFT32(wd, dr) - tr; + di = MULSHIFT32(ws, di) + tr; + wptr += 6; + + /* have now gained 1 bit for br,bi,cr,ci,dr,di + * gain 1 more bit for by skipping 2*br,bi,cr,ci,dr,di in additions + * manually >> 2 on ar,ai to normalize (trivial case, no mul) + * net gain = 2 int bits per x[i], per R4 pass + */ + tr = ar; + ti = ai; + ar = (tr >> 2) - br; + ai = (ti >> 2) - bi; + br = (tr >> 2) + br; + bi = (ti >> 2) + bi; + + tr = cr; + ti = ci; + cr = tr + dr; + ci = di - ti; + dr = tr - dr; + di = di + ti; + + xptr[0] = ar + ci; + xptr[1] = ai + dr; + xptr -= step; + xptr[0] = br - cr; + xptr[1] = bi - di; + xptr -= step; + xptr[0] = ar - ci; + xptr[1] = ai - dr; + xptr -= step; + xptr[0] = br + cr; + xptr[1] = bi + di; + xptr += 2; + } + xptr += 3 * step; + } + wtab += 3 * step; + } +} + + +/************************************************************************************** + * Function: R4FFT + * + * Description: Ken's very fast in-place radix-4 decimation-in-time FFT + * + * Inputs: table index (for transform size) + * buffer of samples (non bit-reversed) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 4 guard bits in for nfft = [128, 256, 512] + * gains log2(nfft) - 2 int bits total + **************************************************************************************/ +void R4FFT(int tabidx, int *x) +{ + int order = nfftlog2Tab[tabidx]; + int nfft = nfftTab[tabidx]; + + /* decimation in time */ + BitReverse(x, tabidx); + + if (order & 0x1) { + R8FirstPass(x, nfft >> 3); + R4Core(x, nfft >> 5, 8, (int *)twidTabOdd); + } else { + R4FirstPass(x, nfft >> 2); + R4Core(x, nfft >> 4, 4, (int *)twidTabEven); + } +} diff --git a/audio_codec/libcook/ra_format_info.h b/audio_codec/libcook/ra_format_info.h new file mode 100644 index 0000000..98293ff --- a/dev/null +++ b/audio_codec/libcook/ra_format_info.h @@ -0,0 +1,60 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ra_format_info.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RA_FORMAT_INFO_H +#define RA_FORMAT_INFO_H + +#include "helix_types.h" + +/* + * ra_format_info struct + * + */ +typedef struct ra_format_info_struct { + UINT32 ulSampleRate; + UINT32 ulActualRate; + UINT16 usBitsPerSample; + UINT16 usNumChannels; + UINT16 usAudioQuality; + UINT16 usFlavorIndex; + UINT32 ulBitsPerFrame; + UINT32 ulGranularity; + UINT32 ulOpaqueDataSize; + BYTE* pOpaqueData; +} ra_format_info; + +#endif /* #ifndef RA_FORMAT_INFO_H */ diff --git a/audio_codec/libcook/ra_gainctrl.c b/audio_codec/libcook/ra_gainctrl.c new file mode 100644 index 0000000..9e4d741 --- a/dev/null +++ b/audio_codec/libcook/ra_gainctrl.c @@ -0,0 +1,584 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: gainctrl.c,v 1.6 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * gainctrl.c - time-domain gain control processing + * + * Discussion of interpolating gain control window: + * gain ranges from -7 to 4 so window ranges from 2^-7 to 2^4 + * If gain0 != gain1, we start at 2^gain0 and increase logarithmically + * to a final value of gain1 + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +#define MAX_NPSAMPS (1024 / NPARTS) +#define MAX_LOGNPSAMPS 7 /* log2(MAX_NPSAMPS) */ +#define FRAC_MASK (MAX_NPSAMPS - 1) + +static const int npsampsTab[NUM_MLT_SIZES] = {256 / NPARTS, 512 / NPARTS, 1024 / NPARTS}; +static const int nplog2Tab[NUM_MLT_SIZES] = {5, 6, 7}; + +/* 2^(x/128) - format = Q30 */ +static const int POW2NTAB[128] = { + 0x40000000, 0x4058f6a8, 0x40b268fa, 0x410c57a2, 0x4166c34c, 0x41c1aca7, 0x421d1462, 0x4278fb2b, + 0x42d561b4, 0x433248ae, 0x438fb0cb, 0x43ed9ac0, 0x444c0740, 0x44aaf702, 0x450a6abb, 0x456a6323, + 0x45cae0f2, 0x462be4e2, 0x468d6fae, 0x46ef8210, 0x47521cc6, 0x47b5408c, 0x4818ee22, 0x487d2646, + 0x48e1e9ba, 0x4947393f, 0x49ad1598, 0x4a137f88, 0x4a7a77d4, 0x4ae1ff43, 0x4b4a169c, 0x4bb2bea5, + 0x4c1bf829, 0x4c85c3f1, 0x4cf022ca, 0x4d5b157e, 0x4dc69cdd, 0x4e32b9b4, 0x4e9f6cd4, 0x4f0cb70c, + 0x4f7a9930, 0x4fe91413, 0x50582888, 0x50c7d765, 0x51382182, 0x51a907b4, 0x521a8ad7, 0x528cabc3, + 0x52ff6b55, 0x5372ca68, 0x53e6c9da, 0x545b6a8b, 0x54d0ad5a, 0x55469329, 0x55bd1cdb, 0x56344b52, + 0x56ac1f75, 0x57249a29, 0x579dbc57, 0x581786e6, 0x5891fac1, 0x590d18d3, 0x5988e209, 0x5a055751, + 0x5a82799a, 0x5b0049d4, 0x5b7ec8f2, 0x5bfdf7e5, 0x5c7dd7a4, 0x5cfe6923, 0x5d7fad59, 0x5e01a53f, + 0x5e8451d0, 0x5f07b405, 0x5f8bccdb, 0x60109d51, 0x60962665, 0x611c6919, 0x61a3666d, 0x622b1f66, + 0x62b39509, 0x633cc85b, 0x63c6ba64, 0x64516c2e, 0x64dcdec3, 0x6569132f, 0x65f60a7f, 0x6683c5c3, + 0x6712460b, 0x67a18c68, 0x683199ed, 0x68c26fb1, 0x69540ec9, 0x69e6784d, 0x6a79ad56, 0x6b0daeff, + 0x6ba27e65, 0x6c381ca6, 0x6cce8ae1, 0x6d65ca38, 0x6dfddbcc, 0x6e96c0c3, 0x6f307a41, 0x6fcb096f, + 0x70666f76, 0x7102ad80, 0x719fc4b9, 0x723db650, 0x72dc8374, 0x737c2d55, 0x741cb528, 0x74be1c20, + 0x75606374, 0x76038c5b, 0x76a7980f, 0x774c87cc, 0x77f25cce, 0x78991854, 0x7940bb9e, 0x79e947ef, + 0x7a92be8b, 0x7b3d20b6, 0x7be86fba, 0x7c94acde, 0x7d41d96e, 0x7deff6b6, 0x7e9f0606, 0x7f4f08ae, +}; + +/************************************************************************************** + * Function: DecodeGainInfo + * + * Description: decode the gain window parameters for each frame + * + * Inputs: pointer to initialized Gecko2Info struct + * pointer to uninitialized GAINC struct + * number of bits remaining in bitstream for this frame + * + * Outputs: GAINC struct filled in with number and location of attacks, and gains + * + * Return: number of bits remaining in bitstream, -1 if out-of-bits + **************************************************************************************/ +int DecodeGainInfo(Gecko2Info *gi, GAINC *gainc, int availbits) +{ + int i, nbits, code; + BitStreamInfo *bsi = &(gi->bsi); + + /* unpack nattacks */ + nbits = 0; + do { + code = GetBits(bsi, 1, 1); /* count bits until zero reached */ + nbits++; + } while (code); + gainc->nats = nbits - 1; /* nats = number of ones */ + availbits -= nbits; + + if (availbits < 0) { + return -1; + } + + ASSERT(gainc->nats <= MAXNATS); + + /* unpack any location/gain pairs */ + if (gainc->nats > 0) { + for (i = 0; i < gainc->nats; i++) { + /* location */ + gainc->loc[i] = GetBits(bsi, LOCBITS, 1); + availbits -= LOCBITS; + + /* gain code */ + code = GetBits(bsi, 1, 1); + availbits--; + + if (!code) { + gainc->gain[i] = -1; + } else { + code = GetBits(bsi, GAINBITS, 1); + availbits -= GAINBITS; + gainc->gain[i] = CODE2GAIN(code); + } + } + } + gainc->maxExGain = 0; + + if (availbits < 0) { + return -1; + } + + return availbits; +} + +/************************************************************************************** + * Function: CopyGainInfo + * + * Description: copy contents of one GAINC struct into another one + * + * Inputs: pointer to initialized GAINC struct (source) + * pointer to uninitialized GAINC struct (destination) + * + * Outputs: gaincDest which is identical to gaincSource + * + * Return: none + * + * Notes: this prevents compiler from generating a memcpy for gainc0 = gainc1 + * (we want to avoid a CRT lib call, for portability of asm) + **************************************************************************************/ +void CopyGainInfo(GAINC *gaincDest, GAINC *gaincSource) +{ + int nBytes = sizeof(GAINC); + unsigned char *d = (unsigned char *)gaincDest; + unsigned char *s = (unsigned char *)gaincSource; + + for (; nBytes != 0; nBytes--) { + *d++ = *s++; + } + +} + +/************************************************************************************** + * Function: CalcGainChanges + * + * Description: reconstruct segmented gain window + * + * Inputs: pointer to uninitialized exgain array + * pointer to old (overlap) and current gain info structs + * + * Outputs: exgain[0, ... 2*NPARTS] with expanded gains at each switch point + * + * Return: none + * + * Notes: each frame is divided into NPARTS segments, with + * npsamps = nSamples / NPARTS samples in each one + * the gain window can only change at these boundaries + * if exgain[i] != exgain[i-1] the gain is interpolated logarithmically + * between the two points (buf[(i-1)*npsamps to buf[i*npsamps]) + **************************************************************************************/ +static void CalcGainChanges(short *exgain, GAINC *gainc0, GAINC *gainc1) +{ + short i, nats, maxGain, offset; + + /* second half - expand gains, working backwards */ + exgain[NPARTS + NPARTS] = 0; /* always finish at 1.0 */ + nats = gainc1->nats; /* gain changes left */ + for (i = NPARTS - 1; i >= 0; i--) { + if (nats && (i == gainc1->loc[nats - 1])) { /* at gain change */ + exgain[i + NPARTS] = gainc1->gain[--nats]; /* use it */ + } else { + exgain[i + NPARTS] = exgain[i + NPARTS + 1]; /* repeat last gain */ + } + } + + /* pull any discontinuity through first half by offsetting all + * gains with starting gain of second half + */ + offset = exgain[NPARTS]; + + /* first half - expand gains, working backwards */ + nats = gainc0->nats; /* gain changes left */ + for (i = NPARTS - 1; i >= 0; i--) { + if (nats && (i == gainc0->loc[nats - 1])) { /* at gain change */ + exgain[i] = gainc0->gain[--nats] + offset; /* use it */ + } else { + exgain[i] = exgain[i + 1]; /* repeat last gain */ + } + } + + /* find max gain for each half (input and overlap) */ + maxGain = 0; + for (i = 0; i <= NPARTS; i++) { + if (exgain[i] > maxGain) { + maxGain = exgain[i]; + } + } + gainc0->maxExGain = maxGain; + + maxGain = 0; + for (i = NPARTS; i <= 2 * NPARTS; i++) { + if (exgain[i] > maxGain) { + maxGain = exgain[i]; + } + } + gainc1->maxExGain = maxGain; + + return; +} + +/************************************************************************************** + * Function: InterpolatePCM + * + * Description: apply gain window to first half of current frame, and overlap-add + * with second half of previous frame, to produce PCM output + * + * Inputs: table index (for transform size) + * pointer to initialized exgain array (NPARTS+1 gain values) + * first half of IMLT output for current frame (buf), + * synthesis window has not yet been applied + * overlap from previous frame (buf + MAXNMLT), synthesis and gain + * windows were already applied + * max exgain for first half of current frame + * buffer for output PCM + * number of channels + * number of fraction bits present in current and overlap data + * + * Outputs: nSamples samples of 16-bit PCM output + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + **************************************************************************************/ +static void InterpolatePCM(int tabidx, short *exgain, int *buf, int *overlap, short maxGain, short *pcm, int nChans, int fbitsPCM, int fbitsOver) +{ + int in, npsamps, part; + int shiftLo, shiftHi, currGainLo, currGainHi, gainDiffLo, gainDiffHi; + int gainLo0, gainLo1, gainHi0, gainHi1, w0, w1, f0, f1, oc; + int *over0, *over1, shift[2], rndMask; + short *pcm0, *pcm1; + const int *wnd; + + shift[0] = 0; + shift[1] = 0; + rndMask = 0; + if (fbitsPCM > fbitsOver) { + shift[0] = MIN(fbitsPCM - fbitsOver, 31); + fbitsPCM = fbitsOver; + } else if (fbitsPCM < fbitsOver) { + shift[1] = MIN(fbitsOver - fbitsPCM, 31); + } + + if (fbitsPCM > 0) { + rndMask = (1 << (fbitsPCM - 1)); + } + ASSERT(fbitsPCM >= 0); + + npsamps = npsampsTab[tabidx]; + over0 = overlap;//buf + MAXNMLT; + over1 = over0 + NPARTS * npsamps - 1; + buf += (nmltTab[tabidx] >> 1) - 1; + + wnd = window + windowOffset[tabidx]; + pcm0 = pcm; + pcm1 = pcm + (NPARTS * npsamps - 1) * nChans; + + gainLo1 = exgain[0]; + gainHi0 = exgain[NPARTS]; + + for (part = 0; part < NPARTS / 2; part++) { + npsamps = npsampsTab[tabidx]; + + gainLo0 = gainLo1; + gainLo1 = exgain[part + 1]; + gainHi1 = gainHi0; + gainHi0 = exgain[NPARTS - part - 1]; + + currGainHi = gainHi1 << MAX_LOGNPSAMPS; + gainDiffHi = (gainHi0 - gainHi1) << (MAX_LOGNPSAMPS - nplog2Tab[tabidx]); + currGainHi += gainDiffHi; + + currGainLo = gainLo0 << MAX_LOGNPSAMPS; + gainDiffLo = (gainLo1 - gainLo0) << (MAX_LOGNPSAMPS - nplog2Tab[tabidx]); + + /* interpolate the gain window: in = in * 2^(gain0) * 2^((gain1 - gain0)*i/npsamps) */ + if (gainDiffLo || gainDiffHi) { + /* slow path - interpolated section of gain window */ + for (; npsamps != 0; npsamps--) { + in = *buf--; + w0 = *wnd++; + w1 = *wnd++; + + shiftLo = maxGain - (currGainLo >> MAX_LOGNPSAMPS) + shift[0]; + oc = *over0++; + f0 = MULSHIFT32(w0, in); + f0 = MULSHIFT32(POW2NTAB[currGainLo & FRAC_MASK], f0) << 2; + *pcm0 = CLIPTOSHORT(((f0 >> shiftLo) + (oc >> shift[1]) + rndMask) >> fbitsPCM); + pcm0 += nChans; + currGainLo += gainDiffLo; + + shiftHi = maxGain - (currGainHi >> MAX_LOGNPSAMPS) + shift[0]; + oc = *over1--; + f1 = MULSHIFT32(w1, in); + f1 = MULSHIFT32(POW2NTAB[currGainHi & FRAC_MASK], f1) << 2; + *pcm1 = CLIPTOSHORT(((f1 >> shiftHi) + (oc >> shift[1]) + rndMask) >> fbitsPCM); + pcm1 -= nChans; + currGainHi += gainDiffHi; + } + } else { + /* fast path - constant section of gain window */ + shiftLo = maxGain - gainLo0 + shift[0]; + shiftHi = maxGain - gainHi1 + shift[0]; + for (; npsamps != 0; npsamps--) { + in = *buf--; + w0 = *wnd++; + w1 = *wnd++; + + oc = *over0++; + f0 = MULSHIFT32(w0, in); + *pcm0 = CLIPTOSHORT(((f0 >> shiftLo) + (oc >> shift[1]) + rndMask) >> fbitsPCM); + pcm0 += nChans; + + oc = *over1--; + f1 = MULSHIFT32(w1, in); + *pcm1 = CLIPTOSHORT(((f1 >> shiftHi) + (oc >> shift[1]) + rndMask) >> fbitsPCM); + pcm1 -= nChans; + } + } + } +} + +/************************************************************************************** + * Function: InterpolateOverlap + * + * Description: apply gain window to second half of current frame, and save for + * overlap-add next frame + * + * Inputs: table index (for transform size) + * pointer to initialized exgain array (NPARTS+1 gain values) + * second half of IMLT output for current frame (buf + nmlt/2), + * synthesis window has not yet been applied + * max exgain for second half of current frame + * + * Outputs: nSamples samples of gain windowed data for overlap + * (stored at buf + MAXNMLT) + * + * Return: none + **************************************************************************************/ +static void InterpolateOverlap(int tabidx, short *exgain, int *buf, int *overlap, short maxGain) +{ + int in, npsamps, part; + int shiftLo, shiftHi, currGainLo, currGainHi, gainDiffLo, gainDiffHi; + int gainLo0, gainLo1, gainHi0, gainHi1, w0, w1; + int *over0, *over1; + const int *wnd; + + npsamps = npsampsTab[tabidx]; + over0 = overlap;//buf + MAXNMLT; + over1 = over0 + NPARTS * npsamps - 1; + buf += (nmltTab[tabidx] >> 1); + wnd = window + windowOffset[tabidx]; + + gainLo1 = exgain[0]; + gainHi0 = exgain[NPARTS]; + + for (part = 0; part < NPARTS / 2; part++) { + npsamps = npsampsTab[tabidx]; + + gainLo0 = gainLo1; + gainLo1 = exgain[part + 1]; + gainHi1 = gainHi0; + gainHi0 = exgain[NPARTS - part - 1]; + + currGainHi = gainHi1 << MAX_LOGNPSAMPS; + gainDiffHi = (gainHi0 - gainHi1) << (MAX_LOGNPSAMPS - nplog2Tab[tabidx]); + currGainHi += gainDiffHi; + + currGainLo = gainLo0 << MAX_LOGNPSAMPS; + gainDiffLo = (gainLo1 - gainLo0) << (MAX_LOGNPSAMPS - nplog2Tab[tabidx]); + + /* interpolate the gain window: in = in * 2^(gain0) * 2^((gain1 - gain0)*i/npsamps) */ + if (gainDiffLo || gainDiffHi) { + /* slow path - interpolated section of gain window */ + for (; npsamps != 0; npsamps--) { + in = *buf++; + w0 = *wnd++; + w1 = *wnd++; + + shiftLo = maxGain - (currGainLo >> MAX_LOGNPSAMPS); + w1 = MULSHIFT32(w1, in) >> shiftLo; + *over0++ = MULSHIFT32(POW2NTAB[currGainLo & FRAC_MASK], w1) << 2; + currGainLo += gainDiffLo; + + shiftHi = maxGain - (currGainHi >> MAX_LOGNPSAMPS); + w0 = -MULSHIFT32(w0, in) >> shiftHi; + *over1-- = MULSHIFT32(POW2NTAB[currGainHi & FRAC_MASK], w0) << 2; + currGainHi += gainDiffHi; + } + } else { + /* fast path - constant section of gain window */ + shiftLo = maxGain - gainLo0; + shiftHi = maxGain - gainHi1; + for (; npsamps != 0; npsamps--) { + in = *buf++; + w0 = *wnd++; + w1 = *wnd++; + + *over0++ = MULSHIFT32(w1, in) >> shiftLo; + *over1-- = -MULSHIFT32(w0, in) >> shiftHi; + } + } + } +} + +/* default fraction bits, not counting any extras from dequantizer */ +#define FBITS_OUT_IMLT (FBITS_OUT_DQ - FBITS_LOST_IMLT) + +/************************************************************************************** + * Function: DecWindowWithAttacks + * + * Description: apply synthesis window, perform gain windowing of current frame, + * do overlap-add, and produce one frame of decoded PCM + * (general case - either gain window has attacks or the default Q format + * is not being used) + * + * Inputs: table index (for transform size) + * input buffer (output of IMLT, before synthesis window) + * buffer for output PCM + * number of channels + * gain control structs for overlap and current frames + * number of extra integer bits present in current and overlap data + * (relative to the default format of FBITS_OUT_IMLT) + * + * Outputs: nSamples samples of 16-bit PCM output + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + **************************************************************************************/ +void DecWindowWithAttacks(int tabidx, int *buf, int *overlap, short *pcm, int nChans, GAINC *gainc0, GAINC *gainc1, short xbits[2]) +{ + int i, s, fbitsPCM, fbitsOver; + short exgain[2 * NPARTS + 1]; + + fbitsOver = FBITS_OUT_IMLT - xbits[0] - gainc0->maxExGain; + CalcGainChanges(exgain, gainc0, gainc1); + fbitsPCM = FBITS_OUT_IMLT - xbits[1] - gainc0->maxExGain; + + /* this is EXTREMELY unlikely (gain window so high that we would have negative fraction bits) + * so just do << and clip whole frame to 0 fraction bits + * can think of this as artifically adding fraction bits, or just doing gain window + * in 2 stages (first pass = window by constant power of 2, second pass = window + * by original gain window / constant power of 2) + * whole purpose is so Interpolate functions can be hard-coded to >> only (fast) + */ + s = 0; + if (fbitsOver < 0 || fbitsPCM < 0) { + s = MAX(-fbitsOver, -fbitsPCM); + for (i = 0; i < npsampsTab[tabidx]*NPARTS; i++) { + CLIP_2N_SHIFT(buf[i], s); + } + for (i = 0; i < npsampsTab[tabidx]*NPARTS; i++) { + CLIP_2N_SHIFT(overlap[i], s); + } + //for (i = MAXNSAMP; i < MAXNSAMP + npsampsTab[tabidx]*NPARTS; i++) + // CLIP_2N_SHIFT(buf[i], s); + fbitsOver += s; + fbitsPCM += s; + } + + InterpolatePCM(tabidx, exgain, buf, overlap, gainc0->maxExGain, pcm, nChans, fbitsPCM, fbitsOver); + InterpolateOverlap(tabidx, exgain + NPARTS, buf, overlap, gainc1->maxExGain); + + /* undo extreme gain window scaling */ + if (s) { + for (i = 0; i < npsampsTab[tabidx]*NPARTS; i++) { + buf[i] >>= s; + } + for (i = 0; i < npsampsTab[tabidx]*NPARTS; i++) { + overlap[i] >>= s; + } + //for (i = MAXNSAMP; i < MAXNSAMP + npsampsTab[tabidx]*NPARTS; i++) + // buf[i] >>= s; + } + + return; +} + +/************************************************************************************** + * Function: DecWindowNoAttacks + * + * Description: apply synthesis window, perform gain windowing of current frame, + * do overlap-add, and produce one frame of decoded PCM + * (fast case - no gain window attacks and the data is in the default + * Q format with FBITS_OUT_IMLT fraction bits in input) + * + * Inputs: table index (for transform size) + * input buffer (output of IMLT, before synthesis window) + * pcm buffer + * number of channels + * + * Outputs: nSamples samples of 16-bit PCM output + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + * this should fit in registers on ARM - make sure compiler does this + * correctly! + **************************************************************************************/ +void DecWindowNoAttacks(int tabidx, int *buf0, int *overlap, short *pcm0, int nChans) +{ + int nmlt, nmltHalf; + int in, oc, w0, w1, f0, f1; + int *buf1, *over0, *over1; + short *pcm1; + const int *wnd; + + nmlt = nmltTab[tabidx]; + nmltHalf = nmlt >> 1; + + over0 = overlap;//buf0 + MAXNMLT; + over1 = over0 + nmlt - 1; + + buf0 += nmltHalf; + buf1 = buf0 - 1; + wnd = window + windowOffset[tabidx]; + pcm1 = pcm0 + (nmlt - 1) * nChans; + + for (; nmltHalf != 0; nmltHalf--) { + /* load window coefficients */ + w0 = *wnd++; + w1 = *wnd++; + + /* apply window to generate first N samples */ + in = *buf1--; + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + /* overlap-add with second N samples from last frame */ + oc = *over0; + *pcm0 = CLIPTOSHORT((f0 + oc + (1 << (FBITS_OUT_IMLT - 1))) >> FBITS_OUT_IMLT); + pcm0 += nChans; + oc = *over1; + *pcm1 = CLIPTOSHORT((f1 + oc + (1 << (FBITS_OUT_IMLT - 1))) >> FBITS_OUT_IMLT); + pcm1 -= nChans; + + /* apply window to generate second nmlt samples, save for overlap with next frame */ + in = *buf0++; + *over0++ = MULSHIFT32(w1, in); + *over1-- = -MULSHIFT32(w0, in); + } + + return; +} diff --git a/audio_codec/libcook/ra_huffman.c b/audio_codec/libcook/ra_huffman.c new file mode 100644 index 0000000..ca54770 --- a/dev/null +++ b/audio_codec/libcook/ra_huffman.c @@ -0,0 +1,86 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: huffman.c,v 1.6 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * huffman.c - Wolfgang's implementation of Moffat-Turpin style Huffman decoder + **************************************************************************************/ + +#include "coder.h" + +/************************************************************************************** + * Function: DecodeHuffmanScalar + * + * Description: decode one Huffman symbol from bitstream + * + * Inputs: pointers to table and info + * right-aligned bit buffer with MAX_HUFF_BITS bits + * pointer to receive decoded symbol + * + * Outputs: decoded symbol + * + * Return: number of bits in symbol + **************************************************************************************/ +int DecodeHuffmanScalar(const unsigned short *huffTab, const HuffInfo *huffTabInfo, int bitBuf, int *val) +{ + const unsigned char *countPtr; + unsigned int cache, total, count, t; + const unsigned short *map; + + map = huffTab + huffTabInfo->offset; + countPtr = huffTabInfo->count; + cache = (unsigned int)(bitBuf << (17 - MAX_HUFF_BITS)); + + total = 0; + count = *countPtr++; + t = count << 16; + + while (cache >= t) { + cache -= t; + cache <<= 1; + total += count; + count = *countPtr++; + t = count << 16; + } + *val = map[total + (cache >> 16)]; + + /* return number of bits in symbol */ + return (countPtr - huffTabInfo->count); +} diff --git a/audio_codec/libcook/ra_hufftabs.c b/audio_codec/libcook/ra_hufftabs.c new file mode 100644 index 0000000..f20eb26 --- a/dev/null +++ b/audio_codec/libcook/ra_hufftabs.c @@ -0,0 +1,244 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: hufftabs.c,v 1.2 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * hufftabs.c - Huffman symbol tables + **************************************************************************************/ + +#include "coder.h" + +const HuffInfo huffTabCoupleInfo[5] = { + /* table 0 = unused */ + /* table 1 = unused */ + { 2, {1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, + { 6, {1, 1, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 3}, + { 8, {1, 0, 2, 2, 2, 2, 2, 4, 0, 0, 0, 0, 0, 0, 0, 0}, 10}, + {10, {1, 0, 2, 0, 4, 4, 4, 4, 4, 8, 0, 0, 0, 0, 0, 0}, 25}, + {16, {1, 0, 1, 1, 4, 4, 8, 8, 9, 9, 8, 2, 2, 3, 1, 2}, 56}, +}; + +const unsigned short huffTabCouple[119] = { + /* couple table 2 [3] */ + 1, 0, 2, + + /* couple table 3 [7] */ + 3, 2, 4, 5, 1, 0, 6, + + /* couple table 4 [15] */ + 7, 6, 8, 5, 9, 4, 10, 3, 11, 2, 12, 0, 1, 13, 14, + + /* couple table 5 [31] */ + 15, 14, 16, 12, 13, 17, 18, 10, 11, 19, 20, 8, 9, 21, 22, 6, + 7, 23, 24, 4, 5, 25, 26, 0, 1, 2, 3, 27, 28, 29, 30, + + /* couple table 6 [63] */ + 31, 30, 32, 28, 29, 33, 34, 26, 27, 35, 36, 22, 23, 24, 25, 37, + 38, 39, 40, 18, 19, 20, 21, 41, 42, 43, 44, 13, 14, 15, 16, 17, + 45, 46, 47, 48, 9, 10, 11, 12, 49, 50, 51, 52, 53, 5, 6, 7, + 8, 54, 55, 56, 57, 4, 58, 3, 59, 2, 60, 61, 1, 0, 62 +}; + +const HuffInfo huffTabPowerInfo[13] = { + {12, {0, 0, 3, 8, 3, 1, 1, 1, 1, 0, 2, 4, 0, 0, 0, 0}, 0}, + {16, {0, 0, 6, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 0, 3, 2}, 24}, + {14, {0, 0, 3, 8, 3, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 0}, 48}, + {13, {0, 0, 5, 4, 3, 0, 3, 0, 3, 1, 1, 0, 4, 0, 0, 0}, 72}, + {14, {0, 0, 5, 3, 4, 3, 1, 1, 1, 1, 1, 1, 1, 2, 0, 0}, 96}, + {14, {0, 0, 5, 4, 3, 0, 2, 3, 1, 1, 1, 1, 1, 2, 0, 0}, 120}, + {16, {0, 1, 4, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 4}, 144}, + {15, {0, 1, 4, 2, 3, 0, 3, 0, 3, 1, 1, 1, 0, 3, 2, 0}, 168}, + {13, {0, 0, 6, 2, 2, 2, 2, 2, 3, 1, 1, 1, 2, 0, 0, 0}, 192}, + {14, {0, 0, 6, 2, 2, 3, 0, 3, 1, 1, 1, 1, 0, 4, 0, 0}, 216}, + {14, {0, 1, 3, 4, 2, 3, 0, 2, 3, 1, 1, 1, 1, 2, 0, 0}, 240}, + {16, {0, 1, 3, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 4}, 264}, + {14, {0, 1, 4, 2, 3, 0, 3, 1, 1, 1, 1, 0, 1, 6, 0, 0}, 288}, +}; + +const unsigned short huffTabPower[312] = { + /* power table 0 [24] */ + 10, 11, 12, 0, 4, 5, 6, 7, 8, 9, 13, 2, 3, 14, 1, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + /* power table 1 [24] */ + 6, 7, 8, 9, 10, 11, 5, 12, 3, 4, 13, 2, 14, 1, 15, 0, + 16, 17, 18, 19, 20, 21, 22, 23, + /* power table 2 [24] */ + 11, 12, 13, 5, 6, 7, 8, 9, 10, 14, 15, 4, 16, 17, 3, 18, + 2, 19, 1, 20, 0, 21, 22, 23, + /* power table 3 [24] */ + 9, 10, 11, 12, 13, 8, 14, 15, 16, 6, 7, 17, 4, 5, 18, 2, + 3, 19, 1, 20, 0, 21, 22, 23, + /* power table 4 [24] */ + 10, 11, 12, 13, 14, 8, 9, 15, 6, 7, 16, 17, 4, 5, 18, 19, + 3, 20, 2, 21, 0, 1, 22, 23, + /* power table 5 [24] */ + 9, 10, 11, 12, 13, 7, 8, 14, 15, 6, 16, 17, 5, 18, 3, 4, + 19, 2, 20, 1, 0, 21, 22, 23, + /* power table 6 [24] */ + 12, 9, 10, 11, 13, 8, 14, 7, 15, 16, 6, 17, 5, 18, 4, 19, + 3, 20, 0, 2, 1, 21, 22, 23, + /* power table 7 [24] */ + 12, 10, 11, 13, 14, 9, 15, 7, 8, 16, 5, 6, 17, 4, 18, 19, + 3, 2, 20, 0, 1, 21, 22, 23, + /* power table 8 [24] */ + 8, 9, 10, 11, 12, 13, 7, 14, 6, 15, 5, 16, 4, 17, 3, 18, + 0, 1, 2, 19, 20, 21, 22, 23, + /* power table 9 [24] */ + 8, 9, 10, 11, 12, 13, 7, 14, 6, 15, 4, 5, 16, 3, 17, 18, + 19, 2, 20, 1, 0, 21, 22, 23, + /* power table 10 [24] */ + 12, 10, 11, 13, 7, 8, 9, 14, 6, 15, 4, 5, 16, 3, 17, 2, + 18, 19, 1, 20, 21, 0, 22, 23, + /* power table 11 [24] */ + 12, 11, 13, 14, 8, 9, 10, 15, 6, 7, 16, 5, 17, 18, 4, 19, + 3, 2, 1, 20, 0, 21, 22, 23, + /* power table 12 [24] */ + 12, 10, 11, 13, 14, 9, 15, 8, 16, 17, 6, 7, 18, 5, 19, 4, + 20, 0, 1, 2, 3, 21, 22, 23, +}; + +const HuffInfo huffTabVectorInfo[7] = { + {16, { 1, 0, 0, 2, 2, 5, 8, 15, 31, 33, 28, 17, 15, 8, 8, 8}, 0}, + {16, { 1, 0, 0, 2, 4, 5, 7, 16, 18, 12, 11, 7, 3, 5, 1, 2}, 181}, + {16, { 1, 0, 1, 2, 4, 2, 5, 8, 7, 8, 2, 3, 1, 1, 1, 2}, 275}, + {16, { 0, 1, 0, 2, 5, 12, 7, 27, 22, 41, 32, 41, 55, 23, 32, 220}, 323}, + {15, { 0, 1, 0, 5, 7, 4, 8, 9, 17, 10, 13, 17, 12, 14, 92, 0}, 843}, + {15, { 0, 1, 0, 5, 6, 8, 8, 8, 4, 7, 11, 23, 21, 10, 80, 0}, 1052}, + {11, { 1, 0, 0, 5, 0, 9, 1, 7, 4, 3, 2, 0, 0, 0, 0, 0}, 1244}, + +}; + +const unsigned short huffTabVector[1276] = { + /* vector table 0 [181] */ + 0x0000, 0x1010, 0x1001, 0x2011, 0x1002, 0x1020, 0x1030, 0x2021, 0x2012, 0x1003, 0x1040, 0x1050, 0x2031, 0x2041, 0x2022, 0x2013, + 0x1004, 0x2014, 0x1060, 0x1070, 0x1080, 0x2051, 0x2061, 0x2032, 0x2042, 0x2023, 0x2024, 0x1005, 0x2015, 0x1006, 0x2016, 0x1007, + 0x2017, 0x1090, 0x10a0, 0x2071, 0x2081, 0x2091, 0x20a1, 0x2052, 0x2062, 0x2072, 0x2082, 0x2033, 0x2043, 0x2053, 0x2063, 0x2034, + 0x2044, 0x2054, 0x2025, 0x2035, 0x2045, 0x2026, 0x2036, 0x2027, 0x2037, 0x1008, 0x2018, 0x2028, 0x1009, 0x2019, 0x100a, 0x201a, + 0x10b0, 0x20b1, 0x2092, 0x20a2, 0x20b2, 0x2073, 0x2083, 0x2093, 0x20a3, 0x2064, 0x2074, 0x2084, 0x2094, 0x2055, 0x2065, 0x2075, + 0x2085, 0x2046, 0x2056, 0x2047, 0x2057, 0x2038, 0x2048, 0x2058, 0x2029, 0x2039, 0x2049, 0x2059, 0x202a, 0x203a, 0x100b, 0x201b, + 0x202b, 0x10c0, 0x10d0, 0x20c1, 0x20d1, 0x20c2, 0x20b3, 0x20a4, 0x20b4, 0x2095, 0x20a5, 0x2066, 0x2076, 0x2086, 0x2067, 0x2077, + 0x2087, 0x2068, 0x2078, 0x2069, 0x204a, 0x205a, 0x203b, 0x204b, 0x100c, 0x201c, 0x202c, 0x100d, 0x201d, 0x20d2, 0x20c3, 0x20c4, + 0x20b5, 0x2096, 0x20a6, 0x2097, 0x20a7, 0x2088, 0x20a8, 0x2079, 0x2089, 0x206a, 0x205b, 0x206b, 0x203c, 0x202d, 0x20d3, 0x20d4, + 0x20c5, 0x20b6, 0x20c6, 0x20b7, 0x2098, 0x207a, 0x208a, 0x207b, 0x204c, 0x205c, 0x206c, 0x203d, 0x204d, 0x20d5, 0x20c7, 0x20b8, + 0x2099, 0x20a9, 0x209a, 0x20aa, 0x205d, 0x20d6, 0x20d7, 0x20c8, 0x20ba, 0x208b, 0x209b, 0x207c, 0x206d, 0x20d8, 0x20b9, 0x20c9, + 0x20ab, 0x208c, 0x209c, 0x207d, 0x208d, + + /* vector table 1 [94] */ + 0x0000, 0x1010, 0x1001, 0x1020, 0x2011, 0x1002, 0x2012, 0x1030, 0x2021, 0x2022, 0x1003, 0x2013, 0x1040, 0x2031, 0x2041, 0x2032, + 0x2023, 0x1004, 0x2014, 0x1050, 0x1060, 0x2051, 0x2061, 0x2042, 0x2052, 0x2033, 0x2043, 0x2024, 0x2034, 0x1005, 0x2015, 0x2025, + 0x1006, 0x2016, 0x2026, 0x1070, 0x2071, 0x2081, 0x2062, 0x2072, 0x2053, 0x2063, 0x2044, 0x2054, 0x2035, 0x2045, 0x2036, 0x1007, + 0x2017, 0x2027, 0x1008, 0x2018, 0x2028, 0x1080, 0x1090, 0x2082, 0x2073, 0x2064, 0x2055, 0x2065, 0x2046, 0x2037, 0x2038, 0x1009, + 0x2019, 0x2091, 0x2092, 0x2083, 0x2074, 0x2084, 0x2075, 0x2056, 0x2066, 0x2047, 0x2048, 0x2029, 0x2093, 0x2085, 0x2076, 0x2057, + 0x2067, 0x2058, 0x2039, 0x2094, 0x2086, 0x2049, 0x2095, 0x2077, 0x2087, 0x2068, 0x2059, 0x2096, 0x2078, 0x2069, + + /* vector table 2 [48] */ + 0x0000, 0x1001, 0x1010, 0x2011, 0x1020, 0x2021, 0x1002, 0x2012, 0x2022, 0x2013, 0x1030, 0x2031, 0x2032, 0x1003, 0x2023, 0x1040, + 0x2041, 0x2042, 0x2033, 0x1004, 0x2014, 0x2024, 0x1005, 0x1050, 0x2051, 0x2043, 0x2034, 0x2015, 0x2025, 0x1006, 0x1060, 0x2061, + 0x2052, 0x2062, 0x2053, 0x2044, 0x2035, 0x2016, 0x2045, 0x2026, 0x2063, 0x2054, 0x2036, 0x2046, 0x2064, 0x2055, 0x2065, 0x2056, + + /* vector table 3 [520] */ + 0x0000, 0x1200, 0x1001, 0x1040, 0x2240, 0x1008, 0x2048, 0x2009, 0x1400, 0x2440, 0x2208, 0x3248, 0x2201, 0x2041, 0x3241, 0x3209, + 0x3049, 0x4249, 0x1002, 0x200a, 0x1080, 0x2088, 0x3288, 0x1010, 0x2050, 0x2011, 0x3051, 0x1600, 0x2640, 0x2280, 0x2480, 0x2408, + 0x3448, 0x3488, 0x3250, 0x2401, 0x3441, 0x3281, 0x3409, 0x4449, 0x3089, 0x4289, 0x3211, 0x4251, 0x2202, 0x2042, 0x3242, 0x320a, + 0x304a, 0x424a, 0x2012, 0x3052, 0x1003, 0x200b, 0x10c0, 0x22c0, 0x20c8, 0x32c8, 0x2210, 0x2090, 0x3290, 0x1018, 0x2058, 0x2081, + 0x4489, 0x3411, 0x3091, 0x4291, 0x2019, 0x3059, 0x3212, 0x4252, 0x304b, 0x2013, 0x1004, 0x200c, 0x1800, 0x2840, 0x2680, 0x24c0, + 0x1100, 0x2608, 0x3648, 0x3688, 0x34c8, 0x2410, 0x3450, 0x3258, 0x2098, 0x2601, 0x3641, 0x3481, 0x20c1, 0x32c1, 0x4649, 0x30c9, + 0x42c9, 0x4451, 0x4491, 0x42d1, 0x4259, 0x3099, 0x3442, 0x3282, 0x340a, 0x444a, 0x308a, 0x428a, 0x3092, 0x4292, 0x201a, 0x305a, + 0x2203, 0x2043, 0x320b, 0x424b, 0x3053, 0x2300, 0x2808, 0x3308, 0x3490, 0x20d0, 0x32d0, 0x2218, 0x3298, 0x1020, 0x2060, 0x34c1, + 0x3609, 0x4689, 0x30d1, 0x3219, 0x4299, 0x2021, 0x3061, 0x2402, 0x2082, 0x3482, 0x448a, 0x3412, 0x4452, 0x3243, 0x340b, 0x3213, + 0x4253, 0x201b, 0x305b, 0x2044, 0x2014, 0x2880, 0x26c0, 0x3848, 0x36c8, 0x2108, 0x2610, 0x3650, 0x34d0, 0x2110, 0x3310, 0x2418, + 0x3498, 0x3681, 0x3301, 0x44c9, 0x46c9, 0x4309, 0x3611, 0x4651, 0x44d1, 0x4459, 0x42d9, 0x30a1, 0x3642, 0x20c2, 0x464a, 0x42ca, + 0x4492, 0x30d2, 0x42d2, 0x321a, 0x425a, 0x445a, 0x309a, 0x429a, 0x2022, 0x444b, 0x308b, 0x428b, 0x304c, 0x3054, 0x2500, 0x3888, + 0x3508, 0x3850, 0x3690, 0x3458, 0x20d8, 0x32d8, 0x2220, 0x3260, 0x20a0, 0x32a0, 0x2801, 0x3841, 0x2101, 0x3809, 0x4849, 0x3109, + 0x4509, 0x4691, 0x3111, 0x4311, 0x3419, 0x4499, 0x30d9, 0x3221, 0x4261, 0x42a1, 0x2602, 0x3682, 0x32c2, 0x34c2, 0x360a, 0x468a, + 0x30ca, 0x44ca, 0x3612, 0x44d2, 0x449a, 0x3062, 0x4262, 0x2403, 0x3443, 0x2083, 0x3283, 0x4453, 0x4293, 0x321b, 0x425b, 0x309b, + 0x2204, 0x3244, 0x320c, 0x424c, 0x3214, 0x36d0, 0x3510, 0x20e0, 0x3501, 0x4889, 0x4851, 0x3502, 0x310a, 0x430a, 0x450a, 0x4852, + 0x465a, 0x30da, 0x30a2, 0x3483, 0x42cb, 0x3413, 0x3093, 0x4493, 0x3063, 0x2084, 0x444c, 0x4254, 0x28c0, 0x38c8, 0x2810, 0x3658, + 0x3518, 0x2820, 0x3460, 0x36c1, 0x4709, 0x46d1, 0x4659, 0x44a1, 0x36c2, 0x4692, 0x3112, 0x341a, 0x42da, 0x3222, 0x3422, 0x2603, + 0x360b, 0x448b, 0x42d3, 0x44d3, 0x445b, 0x2023, 0x3284, 0x20c4, 0x340c, 0x360c, 0x428c, 0x3414, 0x2700, 0x2900, 0x3708, 0x3908, + 0x3890, 0x38d0, 0x3710, 0x2618, 0x2818, 0x3858, 0x3698, 0x3898, 0x34d8, 0x36d8, 0x38d8, 0x2118, 0x3318, 0x3718, 0x2420, 0x2620, + 0x3660, 0x3860, 0x34a0, 0x36a0, 0x32e0, 0x34e0, 0x36e0, 0x2120, 0x3320, 0x3881, 0x38c1, 0x3701, 0x3901, 0x48c9, 0x4909, 0x3811, + 0x4891, 0x48d1, 0x4511, 0x4711, 0x3619, 0x3819, 0x4859, 0x4699, 0x4899, 0x44d9, 0x46d9, 0x48d9, 0x3119, 0x4319, 0x4519, 0x4719, + 0x3421, 0x3621, 0x3821, 0x4461, 0x4661, 0x4861, 0x46a1, 0x30e1, 0x42e1, 0x44e1, 0x46e1, 0x3121, 0x4321, 0x2802, 0x3842, 0x3882, + 0x38c2, 0x2102, 0x3302, 0x3702, 0x380a, 0x484a, 0x488a, 0x46ca, 0x48ca, 0x470a, 0x3812, 0x4652, 0x4892, 0x46d2, 0x48d2, 0x4312, + 0x4512, 0x4712, 0x361a, 0x381a, 0x485a, 0x469a, 0x489a, 0x44da, 0x46da, 0x311a, 0x431a, 0x451a, 0x3622, 0x4462, 0x4662, 0x42a2, + 0x44a2, 0x46a2, 0x30e2, 0x42e2, 0x44e2, 0x2803, 0x3643, 0x3843, 0x3683, 0x3883, 0x20c3, 0x32c3, 0x34c3, 0x36c3, 0x38c3, 0x2103, + 0x3303, 0x3503, 0x3703, 0x380b, 0x464b, 0x484b, 0x468b, 0x488b, 0x30cb, 0x44cb, 0x46cb, 0x48cb, 0x310b, 0x430b, 0x450b, 0x470b, + 0x3613, 0x3813, 0x4653, 0x4853, 0x4693, 0x4893, 0x30d3, 0x46d3, 0x3113, 0x4313, 0x4513, 0x341b, 0x361b, 0x381b, 0x465b, 0x485b, + 0x429b, 0x449b, 0x469b, 0x30db, 0x42db, 0x44db, 0x46db, 0x311b, 0x431b, 0x3223, 0x3423, 0x3623, 0x4263, 0x4463, 0x4663, 0x30a3, + 0x42a3, 0x44a3, 0x30e3, 0x42e3, 0x2404, 0x2604, 0x2804, 0x3444, 0x3644, 0x3844, 0x3484, 0x3684, 0x32c4, 0x34c4, 0x36c4, 0x2104, + 0x3304, 0x380c, 0x464c, 0x484c, 0x308c, 0x448c, 0x468c, 0x30cc, 0x42cc, 0x44cc, 0x46cc, 0x310c, 0x430c, 0x3614, 0x4454, 0x4654, + 0x3094, 0x4294, 0x4494, 0x4694, 0x30d4, 0x42d4, 0x44d4, 0x201c, 0x321c, 0x341c, 0x361c, 0x305c, 0x425c, 0x445c, 0x465c, 0x309c, + 0x429c, 0x449c, 0x30dc, 0x42dc, 0x2024, 0x3224, 0x3064, 0x4264, + + /* vector table 4 [209] */ + 0x0000, 0x1200, 0x1040, 0x1008, 0x1001, 0x2009, 0x2240, 0x2208, 0x2048, 0x3248, 0x2201, 0x2041, 0x3049, 0x3241, 0x3209, 0x4249, + 0x1002, 0x1400, 0x2440, 0x1080, 0x3288, 0x1010, 0x2011, 0x3051, 0x200a, 0x2280, 0x3448, 0x2088, 0x2050, 0x3250, 0x4289, 0x4251, + 0x2042, 0x304a, 0x2408, 0x2210, 0x2401, 0x3441, 0x2081, 0x3281, 0x3409, 0x4449, 0x3089, 0x3211, 0x2202, 0x3242, 0x320a, 0x424a, + 0x2012, 0x3052, 0x1003, 0x1600, 0x2640, 0x2480, 0x3488, 0x2090, 0x3290, 0x3091, 0x4291, 0x2019, 0x200b, 0x10c0, 0x22c0, 0x20c8, + 0x32c8, 0x1018, 0x2058, 0x3481, 0x4489, 0x4451, 0x3059, 0x308a, 0x3212, 0x4252, 0x2608, 0x3648, 0x2410, 0x3450, 0x3609, 0x42c9, + 0x3411, 0x3219, 0x3442, 0x2082, 0x3282, 0x444a, 0x428a, 0x2203, 0x2043, 0x320b, 0x304b, 0x3490, 0x2218, 0x3258, 0x2601, 0x3641, + 0x32c1, 0x4649, 0x30c9, 0x4259, 0x2402, 0x340a, 0x3243, 0x2680, 0x20d0, 0x32d0, 0x2098, 0x20c1, 0x4491, 0x30d1, 0x2602, 0x3092, + 0x4292, 0x201a, 0x305a, 0x424b, 0x2013, 0x24c0, 0x26c0, 0x3688, 0x34c8, 0x36c8, 0x2610, 0x3650, 0x3690, 0x34d0, 0x2418, 0x2618, + 0x3458, 0x3658, 0x3298, 0x3498, 0x20d8, 0x32d8, 0x3681, 0x34c1, 0x36c1, 0x4689, 0x44c9, 0x46c9, 0x3611, 0x4651, 0x4691, 0x42d1, + 0x44d1, 0x3419, 0x3619, 0x4459, 0x4659, 0x3099, 0x4299, 0x4499, 0x30d9, 0x42d9, 0x3642, 0x3482, 0x3682, 0x20c2, 0x32c2, 0x34c2, + 0x360a, 0x464a, 0x448a, 0x468a, 0x30ca, 0x42ca, 0x44ca, 0x3412, 0x3612, 0x4452, 0x4652, 0x4492, 0x30d2, 0x42d2, 0x321a, 0x341a, + 0x425a, 0x445a, 0x309a, 0x429a, 0x2403, 0x2603, 0x3443, 0x3643, 0x2083, 0x3283, 0x3483, 0x20c3, 0x32c3, 0x340b, 0x360b, 0x444b, + 0x464b, 0x308b, 0x428b, 0x448b, 0x30cb, 0x42cb, 0x3213, 0x3413, 0x3053, 0x4253, 0x4453, 0x3093, 0x4293, 0x201b, 0x321b, 0x305b, + 0x425b, + + /* vector table 5 [192] */ + 0x0000, 0x1100, 0x1040, 0x1010, 0x1004, 0x1001, 0x2140, 0x2050, 0x2014, 0x2101, 0x2041, 0x2005, 0x2110, 0x3150, 0x2104, 0x2044, + 0x3054, 0x2011, 0x3105, 0x3015, 0x3144, 0x3114, 0x4154, 0x3141, 0x3111, 0x3051, 0x3045, 0x4055, 0x1200, 0x1008, 0x4151, 0x4145, + 0x4115, 0x5155, 0x1002, 0x2006, 0x2240, 0x1080, 0x1020, 0x2009, 0x2180, 0x2090, 0x2060, 0x2024, 0x2018, 0x2102, 0x2012, 0x2210, + 0x3190, 0x2120, 0x3064, 0x2048, 0x2201, 0x2081, 0x2021, 0x3019, 0x2042, 0x3016, 0x3250, 0x2204, 0x3244, 0x2084, 0x3184, 0x3094, + 0x3124, 0x3148, 0x3058, 0x3241, 0x3181, 0x3091, 0x3061, 0x3085, 0x3025, 0x4125, 0x4065, 0x3049, 0x3142, 0x3112, 0x3052, 0x3106, + 0x3046, 0x3160, 0x3214, 0x4254, 0x4194, 0x4164, 0x2108, 0x3118, 0x3211, 0x3121, 0x4161, 0x3205, 0x5165, 0x3109, 0x4149, 0x4119, + 0x4059, 0x5159, 0x4152, 0x4146, 0x4116, 0x4056, 0x2280, 0x20a0, 0x4251, 0x4191, 0x4185, 0x4215, 0x4095, 0x3029, 0x2022, 0x200a, + 0x3290, 0x2220, 0x3260, 0x31a0, 0x3284, 0x4294, 0x3224, 0x4264, 0x30a4, 0x41a4, 0x2208, 0x3248, 0x2088, 0x3188, 0x3218, 0x4158, + 0x4258, 0x3098, 0x4198, 0x2028, 0x3128, 0x3068, 0x4168, 0x3281, 0x4291, 0x3221, 0x4261, 0x30a1, 0x41a1, 0x4245, 0x4285, 0x5255, + 0x5195, 0x5295, 0x4225, 0x5265, 0x40a5, 0x51a5, 0x3209, 0x4249, 0x3089, 0x4189, 0x4219, 0x5259, 0x4099, 0x5199, 0x4129, 0x4069, + 0x5169, 0x2202, 0x3242, 0x2082, 0x3182, 0x3212, 0x4252, 0x3092, 0x4192, 0x3122, 0x3062, 0x4162, 0x3206, 0x4246, 0x3086, 0x4186, + 0x4216, 0x5156, 0x5256, 0x4096, 0x5196, 0x3026, 0x4126, 0x4066, 0x5166, 0x310a, 0x304a, 0x414a, 0x301a, 0x411a, 0x405a, 0x515a, + + /* vector table 6 [32] */ + 0x0000, 0x1100, 0x1040, 0x1010, 0x1004, 0x1001, 0x2140, 0x2110, 0x2050, 0x2104, 0x2044, 0x2014, 0x2101, 0x2011, 0x2005, 0x2041, + 0x3150, 0x3144, 0x3054, 0x3141, 0x3051, 0x3045, 0x3015, 0x3114, 0x3111, 0x3105, 0x4055, 0x4154, 0x4145, 0x4115, 0x4151, 0x5155, +}; diff --git a/audio_codec/libcook/ra_mlt.c b/audio_codec/libcook/ra_mlt.c new file mode 100644 index 0000000..6947ca1 --- a/dev/null +++ b/audio_codec/libcook/ra_mlt.c @@ -0,0 +1,357 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: mlt.c,v 1.5 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * mlt.c - fast MLT/IMLT functions + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +static const int postSkip[NUM_MLT_SIZES] = {7, 3, 1}; + +/************************************************************************************** + * Function: PreMultiply + * + * Description: pre-twiddle stage of MDCT + * + * Inputs: table index (for transform size) + * buffer of nmlt samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out - loses (1+tabidx) int bits + * normalization by 2/sqrt(N) is rolled into tables here + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + * should asm code (compiler not doing free pointer updates, etc.) + **************************************************************************************/ +static void PreMultiply(int tabidx, int *zbuf1) +{ + int i, nmlt, ar1, ai1, ar2, ai2, z1, z2; + int t, cms2, cps2a, sin2a, cps2b, sin2b; + int *zbuf2; + const int *csptr; + + nmlt = nmltTab[tabidx]; + zbuf2 = zbuf1 + nmlt - 1; + csptr = cos4sin4tab + cos4sin4tabOffset[tabidx]; + + /* whole thing should fit in registers - verify that compiler does this */ + for (i = nmlt >> 2; i != 0; i--) { + /* cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) */ + cps2a = *csptr++; + sin2a = *csptr++; + cps2b = *csptr++; + sin2b = *csptr++; + + ar1 = *(zbuf1 + 0); + ai2 = *(zbuf1 + 1); + ai1 = *(zbuf2 + 0); + ar2 = *(zbuf2 - 1); + + /* gain 1 int bit from MULSHIFT32, but drop 2, 3, or 4 int bits from table scaling */ + t = MULSHIFT32(sin2a, ar1 + ai1); + z2 = MULSHIFT32(cps2a, ai1) - t; + cms2 = cps2a - 2 * sin2a; + z1 = MULSHIFT32(cms2, ar1) + t; + *zbuf1++ = z1; + *zbuf1++ = z2; + + t = MULSHIFT32(sin2b, ar2 + ai2); + z2 = MULSHIFT32(cps2b, ai2) - t; + cms2 = cps2b - 2 * sin2b; + z1 = MULSHIFT32(cms2, ar2) + t; + *zbuf2-- = z2; + *zbuf2-- = z1; + + } + + /* Note on scaling... + * assumes 1 guard bit in, gains (1 + tabidx) fraction bits + * i.e. gain 1, 2, or 3 fraction bits, for nSamps = 256, 512, 1024 + * (left-shifting, since table scaled by 2 / sqrt(nSamps)) + * this offsets the fact that each extra pass in FFT gains one more int bit + */ + return; +} + +/************************************************************************************** + * Function: PostMultiply + * + * Description: post-twiddle stage of MDCT + * + * Inputs: table index (for transform size) + * buffer of nmlt samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out - gains 1 int bit + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + * should asm code (compiler not doing free pointer updates, etc.) + **************************************************************************************/ +static void PostMultiply(int tabidx, int *fft1) +{ + int i, nmlt, ar1, ai1, ar2, ai2, skipFactor; + int t, cms2, cps2, sin2; + int *fft2; + const int *csptr; + + nmlt = nmltTab[tabidx]; + csptr = cos1sin1tab; + skipFactor = postSkip[tabidx]; + fft2 = fft1 + nmlt - 1; + + /* load coeffs for first pass + * cps2 = (cos+sin)/2, sin2 = sin/2, cms2 = (cos-sin)/2 + */ + cps2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + cms2 = cps2 - 2 * sin2; + + for (i = nmlt >> 2; i != 0; i--) { + ar1 = *(fft1 + 0); + ai1 = *(fft1 + 1); + ar2 = *(fft2 - 1); + ai2 = *(fft2 + 0); + + /* gain 1 int bit from MULSHIFT32, and one since coeffs are stored as 0.5 * (cos+sin), 0.5*sin */ + t = MULSHIFT32(sin2, ar1 + ai1); + *fft2-- = t - MULSHIFT32(cps2, ai1); + *fft1++ = t + MULSHIFT32(cms2, ar1); + + cps2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + + ai2 = -ai2; + t = MULSHIFT32(sin2, ar2 + ai2); + *fft2-- = t - MULSHIFT32(cps2, ai2); + cms2 = cps2 - 2 * sin2; + *fft1++ = t + MULSHIFT32(cms2, ar2); + + } + + /* Note on scaling... + * assumes 1 guard bit in, gains 2 int bits + * max gain of abs(cos) + abs(sin) = sqrt(2) = 1.414, so current format + * guarantees 1 guard bit in output + */ + return; +} + +/************************************************************************************** + * Function: PreMultiplyRescale + * + * Description: pre-twiddle stage of MDCT, with rescaling for extra guard bits + * + * Inputs: table index (for transform size) + * buffer of nmlt samples + * number of guard bits to add to input before processing + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: see notes on PreMultiply(), above + **************************************************************************************/ +static void PreMultiplyRescale(int tabidx, int *zbuf1, int es) +{ + int i, nmlt, ar1, ai1, ar2, ai2, z1, z2; + int t, cms2, cps2a, sin2a, cps2b, sin2b; + int *zbuf2; + const int *csptr; + + nmlt = nmltTab[tabidx]; + zbuf2 = zbuf1 + nmlt - 1; + csptr = cos4sin4tab + cos4sin4tabOffset[tabidx]; + + /* whole thing should fit in registers - verify that compiler does this */ + for (i = nmlt >> 2; i != 0; i--) { + /* cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) */ + cps2a = *csptr++; + sin2a = *csptr++; + cps2b = *csptr++; + sin2b = *csptr++; + + ar1 = *(zbuf1 + 0) >> es; + ai1 = *(zbuf2 + 0) >> es; + ai2 = *(zbuf1 + 1) >> es; + + /* gain 1 int bit from MULSHIFT32, but drop 2, 3, or 4 int bits from table scaling */ + t = MULSHIFT32(sin2a, ar1 + ai1); + z2 = MULSHIFT32(cps2a, ai1) - t; + cms2 = cps2a - 2 * sin2a; + z1 = MULSHIFT32(cms2, ar1) + t; + *zbuf1++ = z1; + *zbuf1++ = z2; + + ar2 = *(zbuf2 - 1) >> es; /* do here to free up register used for es */ + + t = MULSHIFT32(sin2b, ar2 + ai2); + z2 = MULSHIFT32(cps2b, ai2) - t; + cms2 = cps2b - 2 * sin2b; + z1 = MULSHIFT32(cms2, ar2) + t; + *zbuf2-- = z2; + *zbuf2-- = z1; + + } + + /* see comments in PreMultiply() for notes on scaling */ + return; +} + +/************************************************************************************** + * Function: PostMultiplyRescale + * + * Description: post-twiddle stage of MDCT, with rescaling for extra guard bits + * + * Inputs: table index (for transform size) + * buffer of nmlt samples + * number of guard bits to remove from output + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: clips output to [-2^30, 2^30 - 1], guaranteeing at least 1 guard bit + * see notes on PostMultiply(), above + **************************************************************************************/ +static void PostMultiplyRescale(int tabidx, int *fft1, int es) +{ + int i, nmlt, ar1, ai1, ar2, ai2, skipFactor, z; + int t, cs2, sin2; + int *fft2; + const int *csptr; + + nmlt = nmltTab[tabidx]; + csptr = cos1sin1tab; + skipFactor = postSkip[tabidx]; + fft2 = fft1 + nmlt - 1; + + /* load coeffs for first pass + * cps2 = (cos+sin)/2, sin2 = sin/2, cms2 = (cos-sin)/2 + */ + cs2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + + for (i = nmlt >> 2; i != 0; i--) { + ar1 = *(fft1 + 0); + ai1 = *(fft1 + 1); + ai2 = *(fft2 + 0); + + /* gain 1 int bit from MULSHIFT32, and one since coeffs are stored as 0.5 * (cos+sin), 0.5*sin */ + t = MULSHIFT32(sin2, ar1 + ai1); + z = t - MULSHIFT32(cs2, ai1); + CLIP_2N_SHIFT(z, es); + *fft2-- = z; + cs2 -= 2 * sin2; + z = t + MULSHIFT32(cs2, ar1); + CLIP_2N_SHIFT(z, es); + *fft1++ = z; + + cs2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + + ar2 = *fft2; + ai2 = -ai2; + t = MULSHIFT32(sin2, ar2 + ai2); + z = t - MULSHIFT32(cs2, ai2); + CLIP_2N_SHIFT(z, es); + *fft2-- = z; + cs2 -= 2 * sin2; + z = t + MULSHIFT32(cs2, ar2); + CLIP_2N_SHIFT(z, es); + *fft1++ = z; + cs2 += 2 * sin2; + + } + + /* see comments in PostMultiply() for notes on scaling */ + return; +} + +/************************************************************************************** + * Function: IMLTNoWindow + * + * Description: inverse MLT without window or overlap-add + * + * Inputs: table index (for transform size) + * buffer of nmlt samples + * number of guard bits in the input buffer + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: operates in-place, and generates nmlt output samples from nmlt input + * samples (doesn't do synthesis window which expands to 2*nmlt samples) + * if number of guard bits in input is < GBITS_IN_IMLT, the input is + * scaled (>>) before the IMLT and rescaled (<<, with clipping) after + * the IMLT (rare) + * the output has FBITS_LOST_IMLT fewer fraction bits than the input + * the output will always have at least 1 guard bit + **************************************************************************************/ +void IMLTNoWindow(int tabidx, int *mlt, int gb) +{ + int es; + + /* fast in-place DCT-IV - adds guard bits if necessary */ + if (gb < GBITS_IN_IMLT) { + es = GBITS_IN_IMLT - gb; + PreMultiplyRescale(tabidx, mlt, es); + R4FFT(tabidx, mlt); + PostMultiplyRescale(tabidx, mlt, es); + } else { + PreMultiply(tabidx, mlt); + R4FFT(tabidx, mlt); + PostMultiply(tabidx, mlt); + } + + return; +} + diff --git a/audio_codec/libcook/ra_sqvh.c b/audio_codec/libcook/ra_sqvh.c new file mode 100644 index 0000000..6528185 --- a/dev/null +++ b/audio_codec/libcook/ra_sqvh.c @@ -0,0 +1,431 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sqvh.c,v 1.6 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * sqvh.c - Huffman decoding, unpacking, and dequantization of MLT coefficients + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +static const int vpr_tab[7] = {10, 10, 10, 5, 5, 4, 4}; /* number of vectors in one region (20 bins) */ + +/************************************************************************************** + * Function: DecodeHuffmanVectors + * + * Description: decode vector Huffman symbols from bitstream for one region + * + * Inputs: pointer to initialized BitStreamInfo struct + * cat for this region + * buffer to receive decoded symbols + * number of bits remaining in bitstream + * + * Outputs: NBINS decoded symbols + * + * Return: number of bits left in bitstream, -1 if ran out of bits + * + * Notes: the alphabet of decoded symbols has been remapped from the + * floating-pt reference, to replace the Horner-method polynomial + * evaluation with shift-and-mask (i.e. change of basis to replace + * 1/(kmax+1) with 1/(2^n) for unpacking vectorized codes) + * uses byte-cache Huffman decoder and conditional logic which is + * ARM-friendly + * this has been carefully arranged to compile well with ADS, so if you + * change anything, make sure you study the assembly code carefully! + * consider fusing with loop over all nRegions (rather than function call + * per loop) to avoid refilling cache each call + **************************************************************************************/ +static int DecodeHuffmanVectors(BitStreamInfo *bsi, int cat, int *k, int bitsLeft) +{ + int nBits, startBits, vpr, v, vPacked; + int off, key, cachedBits, padBits; + unsigned int cache, count, t, total, cw; + unsigned char *buf, *countCurr; + const unsigned char *countBase; + const unsigned short *map; + + buf = bsi->buf; + off = bsi->off; + key = bsi->key; + + countBase = huffTabVectorInfo[cat].count; + map = huffTabVector + huffTabVectorInfo[cat].offset; + startBits = bitsLeft; + vpr = vpr_tab[cat]; + + /* initially fill cache with any partial byte */ + cache = 0; + cachedBits = (8 - off) & 0x07; + if (cachedBits) { + cache = (unsigned int)((*buf++) ^ pkkey[key++]) << (32 - cachedBits); + } + key &= 0x03; + bitsLeft -= cachedBits; + + padBits = 0; + while (vpr > 0) { + /* refill cache - assumes cachedBits <= 24 */ + if (bitsLeft >= 8) { + /* load 1 new byte into left-justified cache */ + cache |= (unsigned int)((*buf++) ^ pkkey[key++]) << (24 - cachedBits); + key &= 0x03; + cachedBits += 8; + bitsLeft -= 8; + } else { + /* last time through, pad cache with zeros and drain cache */ + if (cachedBits + bitsLeft <= 0) { + return -1; + } + if (bitsLeft > 0) { + cache |= (unsigned int)((*buf++) ^ pkkey[key++]) << (24 - cachedBits); + } + key &= 0x03; + cachedBits += bitsLeft; + bitsLeft = 0; + + cache &= (signed int)0x80000000 >> (cachedBits - 1); + padBits = 21; + cachedBits += padBits; /* okay if this is > 32 (0's automatically shifted in from right) */ + } + + /* max bits per Huffman symbol = 16, max sign bits = 5, so 21 bits will do */ + while (vpr > 0 && cachedBits >= 21) { + /* left-justify to bit 16 */ + cw = cache >> (32 - 17); + countCurr = (unsigned char *)countBase; + count = *countCurr++; + t = count << 16; + total = 0; + + while (cw >= t) { + cw -= t; + cw <<= 1; + total += count; + count = *countCurr++; + t = count << 16; + } + + nBits = countCurr - countBase; + cachedBits -= nBits; + cache <<= nBits; + + vPacked = (int)map[total + (cw >> 16)]; + + /* sign bits */ + nBits = (vPacked >> 12) & 0x0f; + cachedBits -= nBits; + if (cachedBits < padBits) { + return -1; + } + + /* should create good asm with conditional instruction execution on ARM + * format of vPacked: + * bits 12-15 = number of sign bits + * 4 bits/coef for cat = 0, 1, 2 (bits 0-3, 4-7) + * 3 bits/coef for cat = 3, 4 (bits 0-2, 3-5, 6-8. 9-11) + * 2 bits/coef for cat = 5, 6 (bits 0-1, 2-3, 4-5. 6-7, 8-9) + */ + if (cat < 3) { + v = (vPacked >> 0) & 0x0f; + if (v) { + v |= (cache & 0x80000000); + cache <<= 1; + } *k++ = v; + v = (vPacked >> 4) & 0x0f; + if (v) { + v |= (cache & 0x80000000); + cache <<= 1; + } *k++ = v; + } else if (cat < 5) { + v = (vPacked >> 0) & 0x07; + if (v) { + v |= (cache & 0x80000000); + cache <<= 1; + } *k++ = v; + v = (vPacked >> 3) & 0x07; + if (v) { + v |= (cache & 0x80000000); + cache <<= 1; + } *k++ = v; + v = (vPacked >> 6) & 0x07; + if (v) { + v |= (cache & 0x80000000); + cache <<= 1; + } *k++ = v; + v = (vPacked >> 9) & 0x07; + if (v) { + v |= (cache & 0x80000000); + cache <<= 1; + } *k++ = v; + } else { + v = (vPacked >> 0) & 0x03; + if (v) { + v |= (cache & 0x80000000); + cache <<= 1; + } *k++ = v; + v = (vPacked >> 2) & 0x03; + if (v) { + v |= (cache & 0x80000000); + cache <<= 1; + } *k++ = v; + v = (vPacked >> 4) & 0x03; + if (v) { + v |= (cache & 0x80000000); + cache <<= 1; + } *k++ = v; + v = (vPacked >> 6) & 0x03; + if (v) { + v |= (cache & 0x80000000); + cache <<= 1; + } *k++ = v; + v = (vPacked >> 8) & 0x03; + if (v) { + v |= (cache & 0x80000000); + cache <<= 1; + } *k++ = v; + } + vpr--; + } + } + + return startBits - bitsLeft - (cachedBits - padBits); +} + +/* Q28 - first column (0's) are dither + * rows ..... cat = [0, 7] + * columns .. k = [0, kmax_tab[cat]] + * qcOffset[cat] is starting index for k = 0 + * + * qcTab[0] scaled by 1.0 + * qcTab[1] scaled by sqrt(2) + * + * lower cat = shorter vectors = finer Q = higher expected bits + * higher cat = longer vectors = coarser Q = lower expected bits + * + * kmax_tab[8] = { 13, 9, 6, 4, 3, 2, 1, 0 }; + */ +static const int qcTab[2][14 + 10 + 7 + 5 + 4 + 3 + 2 + 1] = { + { + /* quant_centroid_tab * 1.0 */ + 0x00000000, 0x0645a1c8, 0x0c2d0e50, 0x11eb8520, 0x17a1cac0, 0x1d4fdf40, 0x22ed9180, 0x28a7ef80, 0x2e49ba40, 0x33eb8500, 0x39916880, 0x3f126e80, 0x449ba600, 0x4b958100, + 0x00000000, 0x08b43960, 0x10f5c280, 0x19020c40, 0x21168740, 0x2922d100, 0x3126e980, 0x38fdf3c0, 0x411eb880, 0x49eb8500, + 0x00000000, 0x0bef9db0, 0x176c8b40, 0x22e147c0, 0x2e1cac00, 0x39581080, 0x450e5600, + 0x00000000, 0x10189380, 0x20000000, 0x2fe35400, 0x3fc28f40, + 0x00000000, 0x1522d0e0, 0x2b3f7d00, 0x3fba5e40, + 0x02d413cc, 0x1a831260, 0x37db22c0, + 0x04000000, 0x1f6c8b40, + 0x0b504f33 + }, + { + /* quant_centroid_tab * sqrt(2) */ + 0x00000000, 0x08deb4dc, 0x11382ec8, 0x1957bba7, 0x216bb2a8, 0x297413e1, 0x31654988, 0x397f0b29, 0x41760b9f, 0x496d0c14, 0x5169d7b1, 0x593280ab, 0x6106bff4, 0x6ae454b2, + 0x00000000, 0x0c4f2f4d, 0x17fc2cf0, 0x235ddce6, 0x2ecb22d2, 0x3a2cd2c9, 0x4582ecca, 0x50994ee6, 0x5c17f595, 0x6889e5e1, + 0x00000000, 0x10e14b25, 0x212064ce, 0x3153e8c5, 0x413653ba, 0x5118bf09, 0x61a8f143, + 0x00000000, 0x16c35fec, 0x2d413ccc, 0x43b94edf, 0x5a2b95ca, + 0x00000000, 0x1de40c9b, 0x3d2972e9, 0x5a20002f, + 0x04000000, 0x257e5e73, 0x4efe081d, + 0x05a82799, 0x2c70b401, + 0x10000000 + }, +}; + +static const int qcOffset[8] = { 0, 14, 24, 31, 36, 40, 43, 45 }; + +/************************************************************************************** + * Function: ScalarDequant + * + * Description: dequantize transform coefficients (in-place) + * + * Inputs: buffer of decoded/un-vectorized symbols with sign in bit 31 + * cat (quantizer) for this region + * pointer to dequantizer table (either scaled by 1.0 or sqrt(2.0)) + * right-shift amount (i.e. 2^-n for normalizing to correct Q format) + * pointer to current contents of dither lfsr + * current guard bit mask + * + * Outputs: NBINS dequantized coefficients + * updated dither generator + * + * Return: updated guard bit mask + * + * Notes: assumes that shift is in range [0, 31] + **************************************************************************************/ +static int ScalarDequant(int *buf, int cat, const int *dqTab, int shift, int *lfsrInit, int gbMask) +{ + int i, k; + int dq, sign, lfsr; + + lfsr = *lfsrInit; + + /* multiply dequantized value (from centroid table) or the dither value (if quantized coeff == 0) + * with the power in this region (from envelope) + * + * implements: + * buf[i] = quant_centroid_tab[cat][buf[i]] * pow(2, DQ_FRACBITS_OUT + scale / 2.0) + * + * example (for testing with Q28 qcTab): + * fixdeqnt = (int)((double)qcTab[0][qcOffset[cat] + k] / (double)(1 << 28) * pow(2, DQ_FRACBITS_OUT + scale / 2.0)); + * *buf++ = fixdeqnt * (sign ? -1 : 1); + * + * output format = Q(FBITS_OUT_DQ) = Q12 (currently) + */ + for (i = NBINS; i != 0; i--) { + k = *buf; + if (k == 0 || cat == 7) { + /* update the LFSR, producing a random sign */ + sign = (lfsr >> 31); + lfsr = (lfsr << 1) ^(sign & FEEDBACK); + dq = dqTab[0] >> shift; + gbMask |= dq; + *buf++ = (dq ^ sign) - sign; /* inflict the sign */ + } else { + /* for stepsize[cat]*buf[i], use centroid[cat][buf[i]] */ + sign = k >> 31; + k &= 0x7fffffff; + dq = dqTab[k] >> shift; + gbMask |= dq; + *buf++ = (dq ^ sign) - sign; /* inflict the sign */ + } + } + *lfsrInit = lfsr; + + /* fast way to bound min guard bits is just to return shift (smallest shift = min number of GB's) + * tighter bound is OR'ing all the dequantized values together before applying sign (done here) + */ + return gbMask; +} + +/************************************************************************************** + * Function: DecodeTransform + * + * Description: recover MLT coefficients from scalar-quantized, vector Huffman codes + * + * Inputs: pointer to initialized Gecko2Info struct + * buffer to receive dequantized coefficients + * number of bits remaining in bitstream + * pointer to current contents of dither lfsr + * channel index + * + * Outputs: nRegions*NBINS dequantized coefficients per channel + * updated dither generator + * + * Return: minimum number of guard bits in coefficients + * + * Notes: for joint stereo, does in-place deinterleaving into left and right + * halves of mlt buffer + * (left starts at mlt[0], right starts at mlt[MAXNSAMP]) + **************************************************************************************/ +int DecodeTransform(Gecko2Info *gi, int *mlt, int availbits, int *lfsrInit, int ch) +{ + int r, gbMask, gbMin, bitsUsed, shift, fbits, rmsMax; + int *dest, *catbuf, *rmsIndex; + const int *dqTab; + BitStreamInfo *bsi = &(gi->bsi); + + catbuf = gi->db.catbuf; + rmsIndex = gi->db.rmsIndex; + + /* huffman decode - does joint stereo deinterleaving if necessary */ + for (r = 0; r < gi->cRegions; r++) { + if (r < 2 * gi->cplStart) { + dest = mlt + NBINS * (r >> 1) + MAXNSAMP * (r & 0x01); + } else { + dest = mlt + NBINS * (r - gi->cplStart); + } + + if (catbuf[r] < 7) { + /* cat == 7 means region was not coded, and dequantizer will just add power-normalized dither */ + bitsUsed = DecodeHuffmanVectors(bsi, catbuf[r], dest, availbits); + if (bitsUsed < 0 || bitsUsed > availbits) { + break; + } + AdvanceBitstream(bsi, bitsUsed); + availbits -= bitsUsed; + } + } + + /* if ran out of bits, use dither in rest of regions (zero scalars) */ + for (; r < gi->cRegions; r++) { + catbuf[r] = 7; + } + + /* for very large coefficients, we override the default format with fewer fraction bits, to avoid saturation + * range of rmsIndex = [-31, 63] (from encoder) + */ + fbits = FBITS_OUT_DQ; + rmsMax = gi->rmsMax[ch]; + if ((rmsMax >> 1) > (28 - fbits)) { + fbits = 28 - (rmsMax >> 1); + if (fbits < 0) { + fbits = 0; + } + } + + /* dequantize - stops at cRegions*NBINS (doesn't zero out above this) */ + gbMask = 0; + for (r = 0; r < gi->cRegions; r++) { + if (r < 2 * gi->cplStart) { + dest = mlt + NBINS * (r >> 1) + MAXNSAMP * (r & 0x01); + } else { + dest = mlt + NBINS * (r - gi->cplStart); + } + + /* qcTab = Q28 */ + dqTab = qcTab[rmsIndex[r] & 0x01] + qcOffset[catbuf[r]]; + shift = (28 - fbits - (rmsIndex[r] >> 1)); + shift = MIN(shift, 31); /* underflow to +/- 0 */ + shift = MAX(shift, 0); /* saturate exponent, could only happen for gigantic rmsMax (never seen in practice) */ + + gbMask = ScalarDequant(dest, catbuf[r], dqTab, shift, lfsrInit, gbMask); + } + + /* save the number of extra fraction bits we needed, if any */ + gi->xbits[ch][1] = FBITS_OUT_DQ - fbits; + + /* calculate minimum number of guard bits in mlt[] */ + gbMin = CLZ(gbMask) - 1; + if (gbMin < 0) { + gbMin = 0; + } + + /* mlt[] values are Q31 * 2^bExp (i.e. Q(31-bExp) = Q(DQ_FRACBITS_OUT)) */ + return gbMin; +} diff --git a/audio_codec/libcook/ra_trigtabs.c b/audio_codec/libcook/ra_trigtabs.c new file mode 100644 index 0000000..c31bc37 --- a/dev/null +++ b/audio_codec/libcook/ra_trigtabs.c @@ -0,0 +1,932 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: trigtabs.c,v 1.5 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * trigtabs.c - tables of sin, cos, etc. for MLT + **************************************************************************************/ + +#include "coder.h" + +const int nmltTab[NUM_MLT_SIZES] = {256, 512, 1024}; + +const int cos4sin4tabOffset[3] = {0, 256, 768}; + +/* PreMultiply() tables + * format = Q31 * 2^[-2, -3, -4] for nmlt = [256, 512, 1024] + * reordered for sequential access + * + * sqrt2divn = sqrt(2.0 / nmlt); + * for (i = 0; i < nmlt/4; i++) { + * angle = (i + 0.25) * M_PI / nmlt; + * x = sqrt2divn * (cos(angle) + sin(angle)); + * x = sqrt2divn * sin(angle); + * + * angle = (nmlt/2 - 1 - i + 0.25) * M_PI / nmlt; + * x = sqrt2divn * (cos(angle) + sin(angle)); + * x = sqrt2divn * sin(angle); + * } + */ +const int cos4sin4tab[256 + 512 + 1024] = { + /* 256 */ + 0x2d64b9da, 0x00238b03, 0x2dab5fdf, 0x2d40bf2f, 0x2df19534, 0x00b1b556, 0x2e37592c, 0x2d3e90e6, + 0x2e7cab1c, 0x013fd8d0, 0x2ec18a58, 0x2d3aa413, 0x2f05f637, 0x01cdeff5, 0x2f49ee0f, 0x2d34f8de, + 0x2f8d713a, 0x025bf54b, 0x2fd07f0f, 0x2d2d8f7d, 0x301316eb, 0x02e9e359, 0x30553828, 0x2d24683a, + 0x3096e223, 0x0377b4a4, 0x30d8143b, 0x2d19836f, 0x3118cdcf, 0x040563b7, 0x31590e3e, 0x2d0ce188, + 0x3198d4ea, 0x0492eb1a, 0x31d82137, 0x2cfe8302, 0x3216f287, 0x05204559, 0x32554840, 0x2cee6869, + 0x329321c7, 0x05ad6d00, 0x32d07e85, 0x2cdc925e, 0x330d5de3, 0x063a5c9f, 0x3349bf48, 0x2cc90190, + 0x3385a222, 0x06c70ec6, 0x33c105db, 0x2cb3b6c1, 0x33fbe9e2, 0x07537e09, 0x34364da6, 0x2c9cb2c2, + 0x34703095, 0x07dfa4fe, 0x34a99221, 0x2c83f677, 0x34e271bd, 0x086b7e3d, 0x351acedd, 0x2c6982d3, + 0x3552a8f4, 0x08f70463, 0x3589ff7a, 0x2c4d58dc, 0x35c0d1e7, 0x0982320e, 0x35f71fb1, 0x2c2f79a9, + 0x362ce855, 0x0a0d01e1, 0x36622b4c, 0x2c0fe65e, 0x3696e814, 0x0a976e82, 0x36cb1e2a, 0x2beea035, + 0x36fecd0e, 0x0b21729b, 0x3731f440, 0x2bcba876, 0x37649341, 0x0bab08d9, 0x3796a996, 0x2ba70079, + 0x37c836c2, 0x0c342bee, 0x37f93a4b, 0x2b80a9a9, 0x3829b3b9, 0x0cbcd691, 0x3859a292, 0x2b58a580, + 0x38890663, 0x0d45037e, 0x38b7deb4, 0x2b2ef588, 0x38e62b13, 0x0dccad74, 0x3913eb0e, 0x2b039b5e, + 0x39411e33, 0x0e53cf38, 0x396dc414, 0x2ad698ae, 0x3999dc42, 0x0eda6395, 0x39c5664f, 0x2aa7ef32, + 0x39f061d2, 0x0f60655a, 0x3a1ace5f, 0x2a77a0b9, 0x3a44ab8e, 0x0fe5cf5d, 0x3a6df8f8, 0x2a45af1e, + 0x3a96b636, 0x106a9c79, 0x3abee2e5, 0x2a121c4e, 0x3ae67ea1, 0x10eec790, 0x3b0d8909, 0x29dcea48, + 0x3b3401bb, 0x11724b88, 0x3b59e85a, 0x29a61b17, 0x3b7f3c87, 0x11f52351, 0x3ba3fde7, 0x296db0d8, + 0x3bc82c1f, 0x127749de, 0x3bebc6d5, 0x2933adb9, 0x3c0ecdb2, 0x12f8ba2b, 0x3c314060, 0x28f813f6, + 0x3c531e88, 0x13796f3b, 0x3c7467d9, 0x28bae5db, 0x3c951bff, 0x13f96417, 0x3cb53aaa, 0x287c25c3, + 0x3cd4c38b, 0x147893d1, 0x3cf3b653, 0x283bd61b, 0x3d1212b7, 0x14f6f981, 0x3d2fd86c, 0x27f9f95d, + 0x3d4d0728, 0x15749047, 0x3d699ea3, 0x27b69213, 0x3d859e96, 0x15f1534d, 0x3da106bd, 0x2771a2d6, + 0x3dbbd6d4, 0x166d3dc3, 0x3dd60e99, 0x272b2e4f, 0x3defadca, 0x16e84ae2, 0x3e08b42a, 0x26e33735, + 0x3e212179, 0x176275eb, 0x3e38f57c, 0x2699c04e, 0x3e502ff9, 0x17dbba29, 0x3e66d0b4, 0x264ecc6f, + 0x3e7cd778, 0x185412ef, 0x3e92440d, 0x26025e7c, 0x3ea7163f, 0x18cb7b99, 0x3ebb4ddb, 0x25b47968, + 0x3eceeaad, 0x1941ef8d, 0x3ee1ec87, 0x25652032, 0x3ef45338, 0x19b76a39, 0x3f061e95, 0x251455eb, + 0x3f174e70, 0x1a2be716, 0x3f27e29f, 0x24c21daf, 0x3f37dafa, 0x1a9f61a7, 0x3f473759, 0x246e7aab, + 0x3f55f796, 0x1b11d578, 0x3f641b8d, 0x24197017, 0x3f71a31b, 0x1b833e1e, 0x3f7e8e1e, 0x23c3013a, + 0x3f8adc77, 0x1bf3973c, 0x3f968e07, 0x236b316b, 0x3fa1a2b2, 0x1c62dc7b, 0x3fac1a5b, 0x2312040b, + 0x3fb5f4ea, 0x1cd10993, 0x3fbf3246, 0x22b77c8b, 0x3fc7d258, 0x1d3e1a43, 0x3fcfd50b, 0x225b9e68, + 0x3fd73a4a, 0x1daa0a57, 0x3fde0205, 0x21fe6d2c, 0x3fe42c2a, 0x1e14d5a5, 0x3fe9b8a9, 0x219fec71, + 0x3feea776, 0x1e7e7811, 0x3ff2f884, 0x21401fd9, 0x3ff6abc8, 0x1ee6ed86, 0x3ff9c13a, 0x20df0b17, + 0x3ffc38d1, 0x1f4e31ff, 0x3ffe1288, 0x207cb1e9, 0x3fff4e59, 0x1fb44180, 0x3fffec43, 0x2019181a, + + /* 512 */ + 0x40191d0b, 0x001921fb, 0x404b3977, 0x3fffd396, 0x407d2e39, 0x007da998, 0x40aefb34, 0x3fff0e32, + 0x40e0a049, 0x00e22fff, 0x41121d58, 0x3ffdaae7, 0x41437244, 0x0146b438, 0x41749eee, 0x3ffba9b8, + 0x41a5a337, 0x01ab354b, 0x41d67f02, 0x3ff90aaa, 0x42073231, 0x020fb240, 0x4237bca4, 0x3ff5cdc3, + 0x42681e3f, 0x02742a1f, 0x429856e4, 0x3ff1f30b, 0x42c86674, 0x02d89bf0, 0x42f84cd2, 0x3fed7a8c, + 0x432809e1, 0x033d06bb, 0x43579d83, 0x3fe86452, 0x4387079a, 0x03a16988, 0x43b6480a, 0x3fe2b067, + 0x43e55eb6, 0x0405c361, 0x44144b7f, 0x3fdc5edc, 0x44430e4b, 0x046a134c, 0x4471a6fa, 0x3fd56fbe, + 0x44a01572, 0x04ce5854, 0x44ce5994, 0x3fcde320, 0x44fc7345, 0x0532917f, 0x452a6269, 0x3fc5b913, + 0x455826e2, 0x0596bdd7, 0x4585c094, 0x3fbcf1ad, 0x45b32f64, 0x05fadc66, 0x45e07336, 0x3fb38d02, + 0x460d8bed, 0x065eec33, 0x463a796e, 0x3fa98b2a, 0x46673b9d, 0x06c2ec48, 0x4693d25e, 0x3f9eec3e, + 0x46c03d96, 0x0726dbae, 0x46ec7d29, 0x3f93b058, 0x471890fd, 0x078ab96e, 0x474478f6, 0x3f87d792, + 0x477034f8, 0x07ee8493, 0x479bc4ea, 0x3f7b620c, 0x47c728af, 0x08523c25, 0x47f2602e, 0x3f6e4fe3, + 0x481d6b4b, 0x08b5df30, 0x484849ed, 0x3f60a138, 0x4872fbf8, 0x09196cbc, 0x489d8153, 0x3f52562c, + 0x48c7d9e2, 0x097ce3d5, 0x48f2058d, 0x3f436ee3, 0x491c0438, 0x09e04385, 0x4945d5ca, 0x3f33eb81, + 0x496f7a2a, 0x0a438ad7, 0x4998f13d, 0x3f23cc2e, 0x49c23aea, 0x0aa6b8d5, 0x49eb5718, 0x3f13110f, + 0x4a1445ad, 0x0b09cc8c, 0x4a3d0690, 0x3f01ba50, 0x4a6599a7, 0x0b6cc506, 0x4a8dfeda, 0x3eefc81a, + 0x4ab63610, 0x0bcfa150, 0x4ade3f30, 0x3edd3a9a, 0x4b061a21, 0x0c326075, 0x4b2dc6cc, 0x3eca11fe, + 0x4b554516, 0x0c950182, 0x4b7c94e8, 0x3eb64e75, 0x4ba3b62a, 0x0cf78383, 0x4bcaa8c3, 0x3ea1f02f, + 0x4bf16c9c, 0x0d59e586, 0x4c18019c, 0x3e8cf75f, 0x4c3e67ac, 0x0dbc2698, 0x4c649eb4, 0x3e77643a, + 0x4c8aa69d, 0x0e1e45c6, 0x4cb07f4f, 0x3e6136f3, 0x4cd628b2, 0x0e80421e, 0x4cfba2b0, 0x3e4a6fc1, + 0x4d20ed31, 0x0ee21aaf, 0x4d46081f, 0x3e330ede, 0x4d6af362, 0x0f43ce86, 0x4d8faee3, 0x3e1b1482, + 0x4db43a8d, 0x0fa55cb4, 0x4dd89648, 0x3e0280e9, 0x4dfcc1ff, 0x1006c446, 0x4e20bd9a, 0x3de9544f, + 0x4e448903, 0x1068044e, 0x4e682425, 0x3dcf8ef3, 0x4e8b8eea, 0x10c91bda, 0x4eaec93b, 0x3db53113, + 0x4ed1d303, 0x112a09fc, 0x4ef4ac2d, 0x3d9a3af2, 0x4f1754a2, 0x118acdc4, 0x4f39cc4d, 0x3d7eacd2, + 0x4f5c131a, 0x11eb6643, 0x4f7e28f3, 0x3d6286f6, 0x4fa00dc3, 0x124bd28c, 0x4fc1c175, 0x3d45c9a4, + 0x4fe343f4, 0x12ac11af, 0x5004952c, 0x3d287523, 0x5025b508, 0x130c22c1, 0x5046a374, 0x3d0a89bc, + 0x5067605b, 0x136c04d2, 0x5087eba9, 0x3cec07b8, 0x50a8454b, 0x13cbb6f8, 0x50c86d2b, 0x3cccef62, + 0x50e86337, 0x142b3846, 0x5108275a, 0x3cad4107, 0x5127b981, 0x148a87d1, 0x51471999, 0x3c8cfcf6, + 0x5166478e, 0x14e9a4ac, 0x5185434c, 0x3c6c237e, 0x51a40cc2, 0x15488dee, 0x51c2a3db, 0x3c4ab4ef, + 0x51e10886, 0x15a742ac, 0x51ff3aae, 0x3c28b19e, 0x521d3a42, 0x1605c1fd, 0x523b072f, 0x3c0619dc, + 0x5258a163, 0x16640af7, 0x527608cb, 0x3be2ee01, 0x52933d56, 0x16c21cb2, 0x52b03ef1, 0x3bbf2e62, + 0x52cd0d8a, 0x171ff646, 0x52e9a910, 0x3b9adb57, 0x53061170, 0x177d96ca, 0x5322469a, 0x3b75f53c, + 0x533e487d, 0x17dafd59, 0x535a1705, 0x3b507c69, 0x5375b224, 0x1838290c, 0x539119c7, 0x3b2a713d, + 0x53ac4dde, 0x189518fc, 0x53c74e58, 0x3b03d414, 0x53e21b23, 0x18f1cc45, 0x53fcb431, 0x3adca54e, + 0x54171970, 0x194e4201, 0x54314ad0, 0x3ab4e54c, 0x544b4841, 0x19aa794d, 0x546511b2, 0x3a8c9470, + 0x547ea715, 0x1a067145, 0x54980858, 0x3a63b31d, 0x54b1356d, 0x1a622907, 0x54ca2e44, 0x3a3a41b9, + 0x54e2f2ce, 0x1abd9faf, 0x54fb82fb, 0x3a1040a8, 0x5513debc, 0x1b18d45c, 0x552c0602, 0x39e5b054, + 0x5543f8be, 0x1b73c62d, 0x555bb6e2, 0x39ba9125, 0x5573405f, 0x1bce7442, 0x558a9525, 0x398ee385, + 0x55a1b528, 0x1c28ddbb, 0x55b8a058, 0x3962a7e0, 0x55cf56a8, 0x1c8301b9, 0x55e5d809, 0x3935dea4, + 0x55fc246e, 0x1cdcdf5e, 0x56123bc8, 0x3908883f, 0x56281e0b, 0x1d3675cb, 0x563dcb28, 0x38daa520, + 0x56534313, 0x1d8fc424, 0x566885be, 0x38ac35ba, 0x567d931b, 0x1de8c98c, 0x56926b1f, 0x387d3a7e, + 0x56a70dbc, 0x1e418528, 0x56bb7ae5, 0x384db3e0, 0x56cfb28e, 0x1e99f61d, 0x56e3b4aa, 0x381da256, + 0x56f7812e, 0x1ef21b90, 0x570b180c, 0x37ed0657, 0x571e7938, 0x1f49f4a8, 0x5731a4a8, 0x37bbe05a, + 0x57449a4e, 0x1fa1808c, 0x57575a20, 0x378a30d8, 0x5769e411, 0x1ff8be65, 0x577c3816, 0x3757f84c, + 0x578e5625, 0x204fad5b, 0x57a03e31, 0x37253733, 0x57b1f02f, 0x20a64c97, 0x57c36c16, 0x36f1ee09, + 0x57d4b1d9, 0x20fc9b44, 0x57e5c16f, 0x36be1d4c, 0x57f69acc, 0x2152988d, 0x58073de7, 0x3689c57d, + 0x5817aab5, 0x21a8439e, 0x5827e12d, 0x3654e71d, 0x5837e143, 0x21fd9ba3, 0x5847aaee, 0x361f82af, + 0x58573e25, 0x22529fca, 0x58669add, 0x35e998b5, 0x5875c10e, 0x22a74f40, 0x5884b0ad, 0x35b329b5, + 0x589369b3, 0x22fba936, 0x58a1ec15, 0x357c3636, 0x58b037cb, 0x234facda, 0x58be4ccc, 0x3544bebf, + 0x58cc2b0f, 0x23a3595e, 0x58d9d28b, 0x350cc3d8, 0x58e74339, 0x23f6adf3, 0x58f47d10, 0x34d4460c, + 0x59018008, 0x2449a9cc, 0x590e4c18, 0x349b45e7, 0x591ae13a, 0x249c4c1b, 0x59273f64, 0x3461c3f5, + 0x59336690, 0x24ee9415, 0x593f56b6, 0x3427c0c3, 0x594b0fce, 0x254080ef, 0x595691d2, 0x33ed3ce1, + 0x5961dcba, 0x259211df, 0x596cf080, 0x33b238e0, 0x5977cd1c, 0x25e3461b, 0x59827288, 0x3376b551, + 0x598ce0bd, 0x26341cdb, 0x599717b5, 0x333ab2c6, 0x59a11769, 0x26849558, 0x59aadfd4, 0x32fe31d5, + 0x59b470ef, 0x26d4aecb, 0x59bdcab4, 0x32c13311, 0x59c6ed1e, 0x2724686e, 0x59cfd827, 0x3283b712, + 0x59d88bc9, 0x2773c17d, 0x59e10800, 0x3245be70, 0x59e94cc5, 0x27c2b934, 0x59f15a15, 0x320749c3, + 0x59f92fe9, 0x28114ed0, 0x5a00ce3d, 0x31c859a5, 0x5a08350c, 0x285f8190, 0x5a0f6452, 0x3188eeb2, + 0x5a165c0a, 0x28ad50b1, 0x5a1d1c31, 0x31490986, 0x5a23a4c1, 0x28fabb75, 0x5a29f5b7, 0x3108aabf, + 0x5a300f0f, 0x2947c11c, 0x5a35f0c5, 0x30c7d2fb, 0x5a3b9ad5, 0x299460e8, 0x5a410d3c, 0x308682dc, + 0x5a4647f8, 0x29e09a1c, 0x5a4b4b03, 0x3044bb00, 0x5a50165c, 0x2a2c6bfd, 0x5a54a9ff, 0x30027c0c, + 0x5a5905ea, 0x2a77d5ce, 0x5a5d2a1a, 0x2fbfc6a3, 0x5a61168c, 0x2ac2d6d6, 0x5a64cb3e, 0x2f7c9b69, + 0x5a68482d, 0x2b0d6e5c, 0x5a6b8d58, 0x2f38fb03, 0x5a6e9abd, 0x2b579ba8, 0x5a717059, 0x2ef4e619, + 0x5a740e2a, 0x2ba15e03, 0x5a767430, 0x2eb05d53, 0x5a78a269, 0x2beab4b6, 0x5a7a98d3, 0x2e6b615a, + 0x5a7c576d, 0x2c339f0e, 0x5a7dde36, 0x2e25f2d8, 0x5a7f2d2e, 0x2c7c1c55, 0x5a804453, 0x2de01278, + 0x5a8123a4, 0x2cc42bd9, 0x5a81cb21, 0x2d99c0e7, 0x5a823acb, 0x2d0bcce8, 0x5a82729f, 0x2d52fed2, + + /* 1024 */ + 0x5a943d5e, 0x0011c583, 0x5ab7ba6c, 0x5a8269e6, 0x5adb297d, 0x0058db81, 0x5afe8a8b, 0x5a82241c, + 0x5b21dd90, 0x009ff149, 0x5b452288, 0x5a81a67e, 0x5b68596d, 0x00e706ad, 0x5b8b8239, 0x5a80f10b, + 0x5bae9ce7, 0x012e1b84, 0x5bd1a971, 0x5a8003c5, 0x5bf4a7d2, 0x01752fa0, 0x5c179806, 0x5a7edeac, + 0x5c3a7a05, 0x01bc42d5, 0x5c5d4dcc, 0x5a7d81c0, 0x5c801354, 0x020354f9, 0x5ca2ca99, 0x5a7bed02, + 0x5cc57394, 0x024a65df, 0x5ce80e41, 0x5a7a2074, 0x5d0a9a9a, 0x0291755b, 0x5d2d189a, 0x5a781c16, + 0x5d4f883b, 0x02d88342, 0x5d71e979, 0x5a75dfea, 0x5d943c4e, 0x031f8f67, 0x5db680b4, 0x5a736bf1, + 0x5dd8b6a7, 0x0366999f, 0x5dfade20, 0x5a70c02c, 0x5e1cf71c, 0x03ada1bd, 0x5e3f0194, 0x5a6ddc9e, + 0x5e60fd84, 0x03f4a798, 0x5e82eae5, 0x5a6ac148, 0x5ea4c9b3, 0x043bab01, 0x5ec699e9, 0x5a676e2c, + 0x5ee85b82, 0x0482abce, 0x5f0a0e77, 0x5a63e34b, 0x5f2bb2c5, 0x04c9a9d3, 0x5f4d4865, 0x5a6020a9, + 0x5f6ecf53, 0x0510a4e3, 0x5f90478a, 0x5a5c2648, 0x5fb1b104, 0x05579cd4, 0x5fd30bbc, 0x5a57f429, + 0x5ff457ad, 0x059e9179, 0x601594d1, 0x5a538a50, 0x6036c325, 0x05e582a7, 0x6057e2a2, 0x5a4ee8bf, + 0x6078f344, 0x062c7032, 0x6099f505, 0x5a4a0f79, 0x60bae7e1, 0x067359ed, 0x60dbcbd1, 0x5a44fe81, + 0x60fca0d2, 0x06ba3faf, 0x611d66de, 0x5a3fb5db, 0x613e1df0, 0x07012149, 0x615ec603, 0x5a3a3589, + 0x617f5f12, 0x0747fe92, 0x619fe918, 0x5a347d8e, 0x61c06410, 0x078ed75d, 0x61e0cff5, 0x5a2e8df0, + 0x62012cc2, 0x07d5ab7e, 0x62217a72, 0x5a2866b0, 0x6241b8ff, 0x081c7aca, 0x6261e866, 0x5a2207d3, + 0x628208a1, 0x08634516, 0x62a219aa, 0x5a1b715d, 0x62c21b7e, 0x08aa0a35, 0x62e20e17, 0x5a14a352, + 0x6301f171, 0x08f0c9fb, 0x6321c585, 0x5a0d9db6, 0x63418a50, 0x0937843e, 0x63613fcd, 0x5a06608d, + 0x6380e5f6, 0x097e38d1, 0x63a07cc7, 0x59feebdc, 0x63c0043b, 0x09c4e789, 0x63df7c4d, 0x59f73fa8, + 0x63fee4f8, 0x0a0b903b, 0x641e3e38, 0x59ef5bf4, 0x643d8806, 0x0a5232ba, 0x645cc260, 0x59e740c7, + 0x647bed3f, 0x0a98cedb, 0x649b08a0, 0x59deee25, 0x64ba147d, 0x0adf6473, 0x64d910d1, 0x59d66413, + 0x64f7fd98, 0x0b25f356, 0x6516dacd, 0x59cda296, 0x6535a86b, 0x0b6c7b59, 0x6554666d, 0x59c4a9b4, + 0x657314cf, 0x0bb2fc50, 0x6591b38c, 0x59bb7973, 0x65b0429f, 0x0bf9760f, 0x65cec204, 0x59b211d8, + 0x65ed31b5, 0x0c3fe86b, 0x660b91af, 0x59a872e8, 0x6629e1ec, 0x0c865339, 0x66482267, 0x599e9cab, + 0x6666531d, 0x0cccb64d, 0x66847408, 0x59948f25, 0x66a28524, 0x0d13117c, 0x66c0866d, 0x598a4a5d, + 0x66de77dc, 0x0d59649a, 0x66fc596f, 0x597fce5a, 0x671a2b20, 0x0d9faf7c, 0x6737ecea, 0x59751b21, + 0x67559eca, 0x0de5f1f7, 0x677340ba, 0x596a30ba, 0x6790d2b6, 0x0e2c2bdf, 0x67ae54ba, 0x595f0f2b, + 0x67cbc6c0, 0x0e725d09, 0x67e928c5, 0x5953b67c, 0x68067ac3, 0x0eb88549, 0x6823bcb7, 0x594826b2, + 0x6840ee9b, 0x0efea475, 0x685e106c, 0x593c5fd5, 0x687b2224, 0x0f44ba62, 0x689823bf, 0x593061ed, + 0x68b5153a, 0x0f8ac6e3, 0x68d1f68f, 0x59242d01, 0x68eec7b9, 0x0fd0c9cd, 0x690b88b5, 0x5917c118, + 0x6928397e, 0x1016c2f7, 0x6944da10, 0x590b1e3a, 0x69616a65, 0x105cb233, 0x697dea7b, 0x58fe446f, + 0x699a5a4c, 0x10a29758, 0x69b6b9d3, 0x58f133bf, 0x69d3090e, 0x10e8723a, 0x69ef47f6, 0x58e3ec32, + 0x6a0b7689, 0x112e42ae, 0x6a2794c1, 0x58d66dcf, 0x6a43a29a, 0x11740889, 0x6a5fa010, 0x58c8b8a0, + 0x6a7b8d1e, 0x11b9c3a0, 0x6a9769c1, 0x58baccad, 0x6ab335f4, 0x11ff73c7, 0x6acef1b2, 0x58aca9fe, + 0x6aea9cf8, 0x124518d5, 0x6b0637c1, 0x589e509c, 0x6b21c208, 0x128ab29d, 0x6b3d3bcb, 0x588fc090, + 0x6b58a503, 0x12d040f6, 0x6b73fdae, 0x5880f9e4, 0x6b8f45c7, 0x1315c3b3, 0x6baa7d49, 0x5871fc9f, + 0x6bc5a431, 0x135b3aab, 0x6be0ba7b, 0x5862c8cb, 0x6bfbc021, 0x13a0a5b2, 0x6c16b521, 0x58535e72, + 0x6c319975, 0x13e6049e, 0x6c4c6d1a, 0x5843bd9e, 0x6c67300b, 0x142b5743, 0x6c81e245, 0x5833e657, + 0x6c9c83c3, 0x14709d78, 0x6cb71482, 0x5823d8a7, 0x6cd1947c, 0x14b5d711, 0x6cec03af, 0x5813949a, + 0x6d066215, 0x14fb03e3, 0x6d20afac, 0x58031a37, 0x6d3aec6e, 0x154023c4, 0x6d551858, 0x57f2698b, + 0x6d6f3365, 0x15853689, 0x6d893d93, 0x57e1829e, 0x6da336dc, 0x15ca3c08, 0x6dbd1f3c, 0x57d0657c, + 0x6dd6f6b1, 0x160f3417, 0x6df0bd35, 0x57bf122f, 0x6e0a72c5, 0x16541e89, 0x6e24175c, 0x57ad88c1, + 0x6e3daaf8, 0x1698fb36, 0x6e572d93, 0x579bc93e, 0x6e709f2a, 0x16ddc9f2, 0x6e89ffb9, 0x5789d3b1, + 0x6ea34f3d, 0x17228a93, 0x6ebc8db0, 0x5777a824, 0x6ed5bb10, 0x17673cef, 0x6eeed758, 0x576546a2, + 0x6f07e285, 0x17abe0dc, 0x6f20dc92, 0x5752af38, 0x6f39c57d, 0x17f0762e, 0x6f529d40, 0x573fe1f0, + 0x6f6b63d8, 0x1834fcbc, 0x6f841942, 0x572cded6, 0x6f9cbd79, 0x1879745b, 0x6fb5507a, 0x5719a5f6, + 0x6fcdd241, 0x18bddce1, 0x6fe642ca, 0x5706375c, 0x6ffea212, 0x19023625, 0x7016f014, 0x56f29314, + 0x702f2ccd, 0x19467ffb, 0x70475839, 0x56deb929, 0x705f7255, 0x198aba3a, 0x70777b1c, 0x56caa9a8, + 0x708f728b, 0x19cee4b7, 0x70a7589f, 0x56b6649e, 0x70bf2d53, 0x1a12ff49, 0x70d6f0a4, 0x56a1ea17, + 0x70eea28e, 0x1a5709c6, 0x7106430e, 0x568d3a1f, 0x711dd220, 0x1a9b0403, 0x71354fc0, 0x567854c4, + 0x714cbbeb, 0x1adeedd7, 0x7164169d, 0x56633a12, 0x717b5fd3, 0x1b22c717, 0x71929789, 0x564dea16, + 0x71a9bdba, 0x1b668f9a, 0x71c0d265, 0x563864dd, 0x71d7d585, 0x1baa4737, 0x71eec716, 0x5622aa75, + 0x7205a716, 0x1bededc2, 0x721c7580, 0x560cbaeb, 0x72333251, 0x1c318314, 0x7249dd86, 0x55f6964d, + 0x7260771b, 0x1c750701, 0x7276ff0d, 0x55e03ca8, 0x728d7557, 0x1cb87960, 0x72a3d9f7, 0x55c9ae0a, + 0x72ba2cea, 0x1cfbda08, 0x72d06e2b, 0x55b2ea81, 0x72e69db7, 0x1d3f28cf, 0x72fcbb8c, 0x559bf21a, + 0x7312c7a5, 0x1d82658c, 0x7328c1ff, 0x5584c4e5, 0x733eaa96, 0x1dc59015, 0x73548168, 0x556d62f0, + 0x736a4671, 0x1e08a840, 0x737ff9ae, 0x5555cc48, 0x73959b1b, 0x1e4bade4, 0x73ab2ab4, 0x553e00fd, + 0x73c0a878, 0x1e8ea0d9, 0x73d61461, 0x5526011d, 0x73eb6e6e, 0x1ed180f4, 0x7400b69a, 0x550dccb7, + 0x7415ece2, 0x1f144e0d, 0x742b1144, 0x54f563d9, 0x744023bc, 0x1f5707f9, 0x74552446, 0x54dcc694, + 0x746a12df, 0x1f99ae91, 0x747eef85, 0x54c3f4f5, 0x7493ba34, 0x1fdc41aa, 0x74a872e8, 0x54aaef0d, + 0x74bd199f, 0x201ec11d, 0x74d1ae55, 0x5491b4eb, 0x74e63108, 0x20612cbf, 0x74faa1b3, 0x5478469e, + 0x750f0054, 0x20a38468, 0x75234ce8, 0x545ea437, 0x7537876c, 0x20e5c7ee, 0x754bafdc, 0x5444cdc4, + 0x755fc635, 0x2127f72a, 0x7573ca75, 0x542ac356, 0x7587bc98, 0x216a11f2, 0x759b9c9b, 0x541084fc, + 0x75af6a7b, 0x21ac181e, 0x75c32634, 0x53f612c8, 0x75d6cfc5, 0x21ee0984, 0x75ea672a, 0x53db6cca, + 0x75fdec60, 0x222fe5fc, 0x76115f63, 0x53c09311, 0x7624c031, 0x2271ad5e, 0x76380ec8, 0x53a585ae, + 0x764b4b23, 0x22b35f80, 0x765e7540, 0x538a44b3, 0x76718d1c, 0x22f4fc3b, 0x768492b4, 0x536ed02f, + 0x76978605, 0x23368365, 0x76aa670d, 0x53532835, 0x76bd35c7, 0x2377f4d7, 0x76cff232, 0x53374cd4, + 0x76e29c4b, 0x23b95068, 0x76f5340e, 0x531b3e1e, 0x7707b979, 0x23fa95f0, 0x771a2c88, 0x52fefc25, + 0x772c8d3a, 0x243bc546, 0x773edb8b, 0x52e286f9, 0x77511778, 0x247cde42, 0x776340ff, 0x52c5dead, + 0x7775581d, 0x24bde0bd, 0x77875cce, 0x52a90351, 0x77994f11, 0x24fecc8d, 0x77ab2ee2, 0x528bf4f9, + 0x77bcfc3f, 0x253fa18c, 0x77ceb725, 0x526eb3b5, 0x77e05f91, 0x25805f90, 0x77f1f581, 0x52513f99, + 0x780378f1, 0x25c10672, 0x7814e9df, 0x523398b5, 0x78264849, 0x2601960b, 0x7837942b, 0x5215bf1c, + 0x7848cd83, 0x26420e32, 0x7859f44f, 0x51f7b2e1, 0x786b088c, 0x26826ebf, 0x787c0a36, 0x51d97417, + 0x788cf94c, 0x26c2b78b, 0x789dd5cb, 0x51bb02cf, 0x78ae9fb0, 0x2702e86e, 0x78bf56f9, 0x519c5f1d, + 0x78cffba3, 0x27430141, 0x78e08dab, 0x517d8913, 0x78f10d0f, 0x278301dc, 0x790179cd, 0x515e80c5, + 0x7911d3e2, 0x27c2ea18, 0x79221b4b, 0x513f4645, 0x79325006, 0x2802b9cc, 0x79427210, 0x511fd9a8, + 0x79528167, 0x284270d3, 0x79627e08, 0x51003b00, 0x797267f2, 0x28820f04, 0x79823f20, 0x50e06a61, + 0x79920392, 0x28c19438, 0x79a1b545, 0x50c067de, 0x79b15435, 0x29010048, 0x79c0e062, 0x50a0338c, + 0x79d059c8, 0x2940530d, 0x79dfc064, 0x507fcd7d, 0x79ef1436, 0x297f8c60, 0x79fe5539, 0x505f35c7, + 0x7a0d836d, 0x29beac1a, 0x7a1c9ece, 0x503e6c7d, 0x7a2ba75a, 0x29fdb213, 0x7a3a9d0f, 0x501d71b3, + 0x7a497feb, 0x2a3c9e26, 0x7a584feb, 0x4ffc457e, 0x7a670d0d, 0x2a7b702b, 0x7a75b74f, 0x4fdae7f2, + 0x7a844eae, 0x2aba27fc, 0x7a92d329, 0x4fb95925, 0x7aa144bc, 0x2af8c571, 0x7aafa367, 0x4f979929, + 0x7abdef25, 0x2b374865, 0x7acc27f7, 0x4f75a815, 0x7ada4dd8, 0x2b75b0b0, 0x7ae860c7, 0x4f5385fd, + 0x7af660c2, 0x2bb3fe2c, 0x7b044dc7, 0x4f3132f7, 0x7b1227d3, 0x2bf230b3, 0x7b1feee5, 0x4f0eaf17, + 0x7b2da2fa, 0x2c30481e, 0x7b3b4410, 0x4eebfa72, 0x7b48d225, 0x2c6e4447, 0x7b564d36, 0x4ec9151f, + 0x7b63b543, 0x2cac2509, 0x7b710a49, 0x4ea5ff33, 0x7b7e4c45, 0x2ce9ea3b, 0x7b8b7b36, 0x4e82b8c3, + 0x7b989719, 0x2d2793b9, 0x7ba59fee, 0x4e5f41e5, 0x7bb295b0, 0x2d65215d, 0x7bbf7860, 0x4e3b9aaf, + 0x7bcc47fa, 0x2da29300, 0x7bd9047c, 0x4e17c337, 0x7be5ade6, 0x2ddfe87d, 0x7bf24434, 0x4df3bb93, + 0x7bfec765, 0x2e1d21ae, 0x7c0b3777, 0x4dcf83d9, 0x7c179467, 0x2e5a3e6c, 0x7c23de35, 0x4dab1c20, + 0x7c3014de, 0x2e973e93, 0x7c3c3860, 0x4d86847e, 0x7c4848ba, 0x2ed421fd, 0x7c5445e9, 0x4d61bd0a, + 0x7c602fec, 0x2f10e883, 0x7c6c06c0, 0x4d3cc5da, 0x7c77ca65, 0x2f4d9202, 0x7c837ad8, 0x4d179f06, + 0x7c8f1817, 0x2f8a1e52, 0x7c9aa221, 0x4cf248a3, 0x7ca618f3, 0x2fc68d4f, 0x7cb17c8d, 0x4cccc2ca, + 0x7cbcccec, 0x3002ded4, 0x7cc80a0f, 0x4ca70d91, 0x7cd333f3, 0x303f12bc, 0x7cde4a98, 0x4c81290f, + 0x7ce94dfb, 0x307b28e0, 0x7cf43e1a, 0x4c5b155c, 0x7cff1af5, 0x30b7211d, 0x7d09e489, 0x4c34d290, + 0x7d149ad5, 0x30f2fb4d, 0x7d1f3dd6, 0x4c0e60c2, 0x7d29cd8c, 0x312eb74b, 0x7d3449f5, 0x4be7c009, + 0x7d3eb30f, 0x316a54f3, 0x7d4908d9, 0x4bc0f07e, 0x7d534b50, 0x31a5d41f, 0x7d5d7a74, 0x4b99f238, + 0x7d679642, 0x31e134ac, 0x7d719eba, 0x4b72c550, 0x7d7b93da, 0x321c7673, 0x7d85759f, 0x4b4b69de, + 0x7d8f4409, 0x32579951, 0x7d98ff17, 0x4b23dff9, 0x7da2a6c6, 0x32929d22, 0x7dac3b15, 0x4afc27bb, + 0x7db5bc02, 0x32cd81c1, 0x7dbf298d, 0x4ad4413c, 0x7dc883b4, 0x33084709, 0x7dd1ca75, 0x4aac2c94, + 0x7ddafdce, 0x3342ecd6, 0x7de41dc0, 0x4a83e9dc, 0x7ded2a47, 0x337d7304, 0x7df62362, 0x4a5b792e, + 0x7dff0911, 0x33b7d970, 0x7e07db52, 0x4a32daa1, 0x7e109a24, 0x33f21ff4, 0x7e194584, 0x4a0a0e4f, + 0x7e21dd73, 0x342c466e, 0x7e2a61ed, 0x49e11452, 0x7e32d2f4, 0x34664cb9, 0x7e3b3083, 0x49b7ecc2, + 0x7e437a9c, 0x34a032b1, 0x7e4bb13c, 0x498e97b9, 0x7e53d462, 0x34d9f833, 0x7e5be40c, 0x49651550, + 0x7e63e03b, 0x35139d1b, 0x7e6bc8eb, 0x493b65a2, 0x7e739e1d, 0x354d2145, 0x7e7b5fce, 0x491188c6, + 0x7e830dff, 0x3586848e, 0x7e8aa8ac, 0x48e77ed9, 0x7e922fd6, 0x35bfc6d3, 0x7e99a37c, 0x48bd47f3, + 0x7ea1039b, 0x35f8e7f0, 0x7ea85033, 0x4892e42e, 0x7eaf8943, 0x3631e7c3, 0x7eb6aeca, 0x486853a5, + 0x7ebdc0c6, 0x366ac627, 0x7ec4bf36, 0x483d9672, 0x7ecbaa1a, 0x36a382fa, 0x7ed28171, 0x4812acaf, + 0x7ed94538, 0x36dc1e19, 0x7edff570, 0x47e79676, 0x7ee69217, 0x37149760, 0x7eed1b2c, 0x47bc53e3, + 0x7ef390ae, 0x374ceeae, 0x7ef9f29d, 0x4790e510, 0x7f0040f6, 0x378523df, 0x7f067bba, 0x47654a18, + 0x7f0ca2e7, 0x37bd36d1, 0x7f12b67c, 0x47398316, 0x7f18b679, 0x37f52760, 0x7f1ea2dc, 0x470d9024, + 0x7f247ba5, 0x382cf56c, 0x7f2a40d2, 0x46e1715d, 0x7f2ff263, 0x3864a0d0, 0x7f359057, 0x46b526de, + 0x7f3b1aad, 0x389c296b, 0x7f409164, 0x4688b0c1, 0x7f45f47b, 0x38d38f1b, 0x7f4b43f2, 0x465c0f22, + 0x7f507fc7, 0x390ad1bd, 0x7f55a7fa, 0x462f421c, 0x7f5abc8a, 0x3941f12f, 0x7f5fbd77, 0x460249cb, + 0x7f64aabf, 0x3978ed4f, 0x7f698461, 0x45d5264b, 0x7f6e4a5e, 0x39afc5fc, 0x7f72fcb4, 0x45a7d7b7, + 0x7f779b62, 0x39e67b13, 0x7f7c2668, 0x457a5e2c, 0x7f809dc5, 0x3a1d0c73, 0x7f850179, 0x454cb9c5, + 0x7f895182, 0x3a5379fa, 0x7f8d8de1, 0x451eea9f, 0x7f91b694, 0x3a89c387, 0x7f95cb9a, 0x44f0f0d5, + 0x7f99ccf4, 0x3abfe8f8, 0x7f9dbaa0, 0x44c2cc85, 0x7fa1949e, 0x3af5ea2b, 0x7fa55aee, 0x44947dcb, + 0x7fa90d8e, 0x3b2bc700, 0x7facac7f, 0x446604c2, 0x7fb037bf, 0x3b617f55, 0x7fb3af4e, 0x44376189, + 0x7fb7132b, 0x3b971308, 0x7fba6357, 0x4408943c, 0x7fbd9fd0, 0x3bcc81fa, 0x7fc0c896, 0x43d99cf7, + 0x7fc3dda9, 0x3c01cc08, 0x7fc6df08, 0x43aa7bd8, 0x7fc9ccb2, 0x3c36f113, 0x7fcca6a7, 0x437b30fb, + 0x7fcf6ce8, 0x3c6bf0f9, 0x7fd21f72, 0x434bbc7e, 0x7fd4be46, 0x3ca0cb9a, 0x7fd74964, 0x431c1e7e, + 0x7fd9c0ca, 0x3cd580d4, 0x7fdc247a, 0x42ec5719, 0x7fde7471, 0x3d0a1088, 0x7fe0b0b1, 0x42bc666b, + 0x7fe2d938, 0x3d3e7a95, 0x7fe4ee06, 0x428c4c93, 0x7fe6ef1c, 0x3d72bedb, 0x7fe8dc78, 0x425c09ae, + 0x7feab61a, 0x3da6dd39, 0x7fec7c02, 0x422b9ddb, 0x7fee2e30, 0x3ddad590, 0x7fefcca4, 0x41fb0935, + 0x7ff1575d, 0x3e0ea7bf, 0x7ff2ce5b, 0x41ca4bdd, 0x7ff4319d, 0x3e4253a6, 0x7ff58125, 0x419965f0, + 0x7ff6bcf0, 0x3e75d926, 0x7ff7e500, 0x4168578b, 0x7ff8f954, 0x3ea9381e, 0x7ff9f9ec, 0x413720ce, + 0x7ffae6c7, 0x3edc7070, 0x7ffbbfe6, 0x4105c1d6, 0x7ffc8549, 0x3f0f81fb, 0x7ffd36ee, 0x40d43ac3, + 0x7ffdd4d7, 0x3f426c9f, 0x7ffe5f03, 0x40a28bb2, 0x7ffed572, 0x3f75303e, 0x7fff3824, 0x4070b4c2, + 0x7fff8719, 0x3fa7ccb9, 0x7fffc251, 0x403eb613, 0x7fffe9cb, 0x3fda41ef, 0x7ffffd88, 0x400c8fc2, +}; + +/* PostMultiply() tables + * format = Q31 + * reordered for sequential access + * decimate (skip by 4 or 8) for smaller transforms (512, 256) + * + * for (i = 0; i <= (512/2); i++) { + * angle = i * M_PI / 1024; + * x = 0.5*(cos(angle) + sin(angle)); + * x = 0.5*sin(angle); + * } + */ +const int cos1sin1tab[514] = { + 0x40000000, 0x00000000, 0x40323034, 0x003243f1, 0x406438cf, 0x006487c4, 0x409619b2, 0x0096cb58, + 0x40c7d2bd, 0x00c90e90, 0x40f963d3, 0x00fb514b, 0x412accd4, 0x012d936c, 0x415c0da3, 0x015fd4d2, + 0x418d2621, 0x0192155f, 0x41be162f, 0x01c454f5, 0x41eeddaf, 0x01f69373, 0x421f7c84, 0x0228d0bb, + 0x424ff28f, 0x025b0caf, 0x42803fb2, 0x028d472e, 0x42b063d0, 0x02bf801a, 0x42e05ecb, 0x02f1b755, + 0x43103085, 0x0323ecbe, 0x433fd8e1, 0x03562038, 0x436f57c1, 0x038851a2, 0x439ead09, 0x03ba80df, + 0x43cdd89a, 0x03ecadcf, 0x43fcda59, 0x041ed854, 0x442bb227, 0x0451004d, 0x445a5fe8, 0x0483259d, + 0x4488e37f, 0x04b54825, 0x44b73ccf, 0x04e767c5, 0x44e56bbd, 0x0519845e, 0x4513702a, 0x054b9dd3, + 0x454149fc, 0x057db403, 0x456ef916, 0x05afc6d0, 0x459c7d5a, 0x05e1d61b, 0x45c9d6af, 0x0613e1c5, + 0x45f704f7, 0x0645e9af, 0x46240816, 0x0677edbb, 0x4650dff1, 0x06a9edc9, 0x467d8c6d, 0x06dbe9bb, + 0x46aa0d6d, 0x070de172, 0x46d662d6, 0x073fd4cf, 0x47028c8d, 0x0771c3b3, 0x472e8a76, 0x07a3adff, + 0x475a5c77, 0x07d59396, 0x47860275, 0x08077457, 0x47b17c54, 0x08395024, 0x47dcc9f9, 0x086b26de, + 0x4807eb4b, 0x089cf867, 0x4832e02d, 0x08cec4a0, 0x485da887, 0x09008b6a, 0x4888443d, 0x09324ca7, + 0x48b2b335, 0x09640837, 0x48dcf556, 0x0995bdfd, 0x49070a84, 0x09c76dd8, 0x4930f2a6, 0x09f917ac, + 0x495aada2, 0x0a2abb59, 0x49843b5f, 0x0a5c58c0, 0x49ad9bc2, 0x0a8defc3, 0x49d6ceb3, 0x0abf8043, + 0x49ffd417, 0x0af10a22, 0x4a28abd6, 0x0b228d42, 0x4a5155d6, 0x0b540982, 0x4a79d1ff, 0x0b857ec7, + 0x4aa22036, 0x0bb6ecef, 0x4aca4065, 0x0be853de, 0x4af23270, 0x0c19b374, 0x4b19f641, 0x0c4b0b94, + 0x4b418bbe, 0x0c7c5c1e, 0x4b68f2cf, 0x0cada4f5, 0x4b902b5c, 0x0cdee5f9, 0x4bb7354d, 0x0d101f0e, + 0x4bde1089, 0x0d415013, 0x4c04bcf8, 0x0d7278eb, 0x4c2b3a84, 0x0da39978, 0x4c518913, 0x0dd4b19a, + 0x4c77a88e, 0x0e05c135, 0x4c9d98de, 0x0e36c82a, 0x4cc359ec, 0x0e67c65a, 0x4ce8eb9f, 0x0e98bba7, + 0x4d0e4de2, 0x0ec9a7f3, 0x4d33809c, 0x0efa8b20, 0x4d5883b7, 0x0f2b650f, 0x4d7d571c, 0x0f5c35a3, + 0x4da1fab5, 0x0f8cfcbe, 0x4dc66e6a, 0x0fbdba40, 0x4deab226, 0x0fee6e0d, 0x4e0ec5d1, 0x101f1807, + 0x4e32a956, 0x104fb80e, 0x4e565c9f, 0x10804e06, 0x4e79df95, 0x10b0d9d0, 0x4e9d3222, 0x10e15b4e, + 0x4ec05432, 0x1111d263, 0x4ee345ad, 0x11423ef0, 0x4f06067f, 0x1172a0d7, 0x4f289692, 0x11a2f7fc, + 0x4f4af5d1, 0x11d3443f, 0x4f6d2427, 0x12038584, 0x4f8f217e, 0x1233bbac, 0x4fb0edc1, 0x1263e699, + 0x4fd288dc, 0x1294062f, 0x4ff3f2bb, 0x12c41a4f, 0x50152b47, 0x12f422db, 0x5036326e, 0x13241fb6, + 0x50570819, 0x135410c3, 0x5077ac37, 0x1383f5e3, 0x50981eb1, 0x13b3cefa, 0x50b85f74, 0x13e39be9, + 0x50d86e6d, 0x14135c94, 0x50f84b87, 0x144310dd, 0x5117f6ae, 0x1472b8a5, 0x51376fd0, 0x14a253d1, + 0x5156b6d9, 0x14d1e242, 0x5175cbb5, 0x150163dc, 0x5194ae52, 0x1530d881, 0x51b35e9b, 0x15604013, + 0x51d1dc80, 0x158f9a76, 0x51f027eb, 0x15bee78c, 0x520e40cc, 0x15ee2738, 0x522c270f, 0x161d595d, + 0x5249daa2, 0x164c7ddd, 0x52675b72, 0x167b949d, 0x5284a96e, 0x16aa9d7e, 0x52a1c482, 0x16d99864, + 0x52beac9f, 0x17088531, 0x52db61b0, 0x173763c9, 0x52f7e3a6, 0x1766340f, 0x5314326d, 0x1794f5e6, + 0x53304df6, 0x17c3a931, 0x534c362d, 0x17f24dd3, 0x5367eb03, 0x1820e3b0, 0x53836c66, 0x184f6aab, + 0x539eba45, 0x187de2a7, 0x53b9d48f, 0x18ac4b87, 0x53d4bb34, 0x18daa52f, 0x53ef6e23, 0x1908ef82, + 0x5409ed4b, 0x19372a64, 0x5424389d, 0x196555b8, 0x543e5007, 0x19937161, 0x5458337a, 0x19c17d44, + 0x5471e2e6, 0x19ef7944, 0x548b5e3b, 0x1a1d6544, 0x54a4a56a, 0x1a4b4128, 0x54bdb862, 0x1a790cd4, + 0x54d69714, 0x1aa6c82b, 0x54ef4171, 0x1ad47312, 0x5507b76a, 0x1b020d6c, 0x551ff8ef, 0x1b2f971e, + 0x553805f2, 0x1b5d100a, 0x554fde64, 0x1b8a7815, 0x55678236, 0x1bb7cf23, 0x557ef15a, 0x1be51518, + 0x55962bc0, 0x1c1249d8, 0x55ad315b, 0x1c3f6d47, 0x55c4021d, 0x1c6c7f4a, 0x55da9df7, 0x1c997fc4, + 0x55f104dc, 0x1cc66e99, 0x560736bd, 0x1cf34baf, 0x561d338d, 0x1d2016e9, 0x5632fb3f, 0x1d4cd02c, + 0x56488dc5, 0x1d79775c, 0x565deb11, 0x1da60c5d, 0x56731317, 0x1dd28f15, 0x568805c9, 0x1dfeff67, + 0x569cc31b, 0x1e2b5d38, 0x56b14b00, 0x1e57a86d, 0x56c59d6a, 0x1e83e0eb, 0x56d9ba4e, 0x1eb00696, + 0x56eda1a0, 0x1edc1953, 0x57015352, 0x1f081907, 0x5714cf59, 0x1f340596, 0x572815a8, 0x1f5fdee6, + 0x573b2635, 0x1f8ba4dc, 0x574e00f2, 0x1fb7575c, 0x5760a5d5, 0x1fe2f64c, 0x577314d2, 0x200e8190, + 0x57854ddd, 0x2039f90f, 0x579750ec, 0x20655cac, 0x57a91df2, 0x2090ac4d, 0x57bab4e6, 0x20bbe7d8, + 0x57cc15bc, 0x20e70f32, 0x57dd406a, 0x21122240, 0x57ee34e5, 0x213d20e8, 0x57fef323, 0x21680b0f, + 0x580f7b19, 0x2192e09b, 0x581fccbc, 0x21bda171, 0x582fe804, 0x21e84d76, 0x583fcce6, 0x2212e492, + 0x584f7b58, 0x223d66a8, 0x585ef351, 0x2267d3a0, 0x586e34c7, 0x22922b5e, 0x587d3fb0, 0x22bc6dca, + 0x588c1404, 0x22e69ac8, 0x589ab1b9, 0x2310b23e, 0x58a918c6, 0x233ab414, 0x58b74923, 0x2364a02e, + 0x58c542c5, 0x238e7673, 0x58d305a6, 0x23b836ca, 0x58e091bd, 0x23e1e117, 0x58ede700, 0x240b7543, + 0x58fb0568, 0x2434f332, 0x5907eced, 0x245e5acc, 0x59149d87, 0x2487abf7, 0x5921172e, 0x24b0e699, + 0x592d59da, 0x24da0a9a, 0x59396584, 0x250317df, 0x59453a24, 0x252c0e4f, 0x5950d7b3, 0x2554edd1, + 0x595c3e2a, 0x257db64c, 0x59676d82, 0x25a667a7, 0x597265b4, 0x25cf01c8, 0x597d26b8, 0x25f78497, + 0x5987b08a, 0x261feffa, 0x59920321, 0x264843d9, 0x599c1e78, 0x2670801a, 0x59a60288, 0x2698a4a6, + 0x59afaf4c, 0x26c0b162, 0x59b924bc, 0x26e8a637, 0x59c262d5, 0x2710830c, 0x59cb698f, 0x273847c8, + 0x59d438e5, 0x275ff452, 0x59dcd0d3, 0x27878893, 0x59e53151, 0x27af0472, 0x59ed5a5c, 0x27d667d5, + 0x59f54bee, 0x27fdb2a7, 0x59fd0603, 0x2824e4cc, 0x5a048895, 0x284bfe2f, 0x5a0bd3a1, 0x2872feb6, + 0x5a12e720, 0x2899e64a, 0x5a19c310, 0x28c0b4d2, 0x5a20676c, 0x28e76a37, 0x5a26d42f, 0x290e0661, + 0x5a2d0957, 0x29348937, 0x5a3306de, 0x295af2a3, 0x5a38ccc2, 0x2981428c, 0x5a3e5afe, 0x29a778db, + 0x5a43b190, 0x29cd9578, 0x5a48d074, 0x29f3984c, 0x5a4db7a6, 0x2a19813f, 0x5a526725, 0x2a3f503a, + 0x5a56deec, 0x2a650525, 0x5a5b1efa, 0x2a8a9fea, 0x5a5f274b, 0x2ab02071, 0x5a62f7dd, 0x2ad586a3, + 0x5a6690ae, 0x2afad269, 0x5a69f1bb, 0x2b2003ac, 0x5a6d1b03, 0x2b451a55, 0x5a700c84, 0x2b6a164d, + 0x5a72c63b, 0x2b8ef77d, 0x5a754827, 0x2bb3bdce, 0x5a779246, 0x2bd8692b, 0x5a79a498, 0x2bfcf97c, + 0x5a7b7f1a, 0x2c216eaa, 0x5a7d21cc, 0x2c45c8a0, 0x5a7e8cac, 0x2c6a0746, 0x5a7fbfbb, 0x2c8e2a87, + 0x5a80baf6, 0x2cb2324c, 0x5a817e5d, 0x2cd61e7f, 0x5a8209f1, 0x2cf9ef09, 0x5a825db0, 0x2d1da3d5, + 0x5a82799a, 0x2d413ccd, +}; + +const int windowOffset[3] = {0, 256, 768}; + +/* Synthesis window + * format = Q31 + * reordered for sequential access + * + * for (i = 0; i < nmlt / 2; i++) { + * angle = (i + 0.5) * M_PI / (2.0 * nmlt); + * x = sin(angle); + * + * angle = (nmlt - 1 - i + 0.5) * M_PI / (2.0 * nmlt); + * x = sin(angle); + * } + */ +const int window[256 + 512 + 1024] = { + /* 256 point window */ + 0x006487e3, 0x7fffd886, 0x012d96b1, 0x7ffe9cb2, 0x01f6a297, 0x7ffc250f, 0x02bfa9a4, 0x7ff871a2, + 0x0388a9ea, 0x7ff38274, 0x0451a177, 0x7fed5791, 0x051a8e5c, 0x7fe5f108, 0x05e36ea9, 0x7fdd4eec, + 0x06ac406f, 0x7fd37153, 0x077501be, 0x7fc85854, 0x083db0a7, 0x7fbc040a, 0x09064b3a, 0x7fae7495, + 0x09cecf89, 0x7f9faa15, 0x0a973ba5, 0x7f8fa4b0, 0x0b5f8d9f, 0x7f7e648c, 0x0c27c389, 0x7f6be9d4, + 0x0cefdb76, 0x7f5834b7, 0x0db7d376, 0x7f434563, 0x0e7fa99e, 0x7f2d1c0e, 0x0f475bff, 0x7f15b8ee, + 0x100ee8ad, 0x7efd1c3c, 0x10d64dbd, 0x7ee34636, 0x119d8941, 0x7ec8371a, 0x1264994e, 0x7eabef2c, + 0x132b7bf9, 0x7e8e6eb2, 0x13f22f58, 0x7e6fb5f4, 0x14b8b17f, 0x7e4fc53e, 0x157f0086, 0x7e2e9cdf, + 0x16451a83, 0x7e0c3d29, 0x170afd8d, 0x7de8a670, 0x17d0a7bc, 0x7dc3d90d, 0x18961728, 0x7d9dd55a, + 0x195b49ea, 0x7d769bb5, 0x1a203e1b, 0x7d4e2c7f, 0x1ae4f1d6, 0x7d24881b, 0x1ba96335, 0x7cf9aef0, + 0x1c6d9053, 0x7ccda169, 0x1d31774d, 0x7ca05ff1, 0x1df5163f, 0x7c71eaf9, 0x1eb86b46, 0x7c4242f2, + 0x1f7b7481, 0x7c116853, 0x203e300d, 0x7bdf5b94, 0x21009c0c, 0x7bac1d31, 0x21c2b69c, 0x7b77ada8, + 0x22847de0, 0x7b420d7a, 0x2345eff8, 0x7b0b3d2c, 0x24070b08, 0x7ad33d45, 0x24c7cd33, 0x7a9a0e50, + 0x2588349d, 0x7a5fb0d8, 0x26483f6c, 0x7a24256f, 0x2707ebc7, 0x79e76ca7, 0x27c737d3, 0x79a98715, + 0x288621b9, 0x796a7554, 0x2944a7a2, 0x792a37fe, 0x2a02c7b8, 0x78e8cfb2, 0x2ac08026, 0x78a63d11, + 0x2b7dcf17, 0x786280bf, 0x2c3ab2b9, 0x781d9b65, 0x2cf72939, 0x77d78daa, 0x2db330c7, 0x7790583e, + 0x2e6ec792, 0x7747fbce, 0x2f29ebcc, 0x76fe790e, 0x2fe49ba7, 0x76b3d0b4, 0x309ed556, 0x76680376, + 0x3158970e, 0x761b1211, 0x3211df04, 0x75ccfd42, 0x32caab6f, 0x757dc5ca, 0x3382fa88, 0x752d6c6c, + 0x343aca87, 0x74dbf1ef, 0x34f219a8, 0x7489571c, 0x35a8e625, 0x74359cbd, 0x365f2e3b, 0x73e0c3a3, + 0x3714f02a, 0x738acc9e, 0x37ca2a30, 0x7333b883, 0x387eda8e, 0x72db8828, 0x3932ff87, 0x72823c67, + 0x39e6975e, 0x7227d61c, 0x3a99a057, 0x71cc5626, 0x3b4c18ba, 0x716fbd68, 0x3bfdfecd, 0x71120cc5, + 0x3caf50da, 0x70b34525, 0x3d600d2c, 0x70536771, 0x3e10320d, 0x6ff27497, 0x3ebfbdcd, 0x6f906d84, + 0x3f6eaeb8, 0x6f2d532c, 0x401d0321, 0x6ec92683, 0x40cab958, 0x6e63e87f, 0x4177cfb1, 0x6dfd9a1c, + 0x42244481, 0x6d963c54, 0x42d0161e, 0x6d2dd027, 0x437b42e1, 0x6cc45698, 0x4425c923, 0x6c59d0a9, + 0x44cfa740, 0x6bee3f62, 0x4578db93, 0x6b81a3cd, 0x4621647d, 0x6b13fef5, 0x46c9405c, 0x6aa551e9, + 0x47706d93, 0x6a359db9, 0x4816ea86, 0x69c4e37a, 0x48bcb599, 0x69532442, 0x4961cd33, 0x68e06129, + 0x4a062fbd, 0x686c9b4b, 0x4aa9dba2, 0x67f7d3c5, 0x4b4ccf4d, 0x67820bb7, 0x4bef092d, 0x670b4444, + 0x4c9087b1, 0x66937e91, 0x4d31494b, 0x661abbc5, 0x4dd14c6e, 0x65a0fd0b, 0x4e708f8f, 0x6526438f, + 0x4f0f1126, 0x64aa907f, 0x4faccfab, 0x642de50d, 0x5049c999, 0x63b0426d, 0x50e5fd6d, 0x6331a9d4, + 0x518169a5, 0x62b21c7b, 0x521c0cc2, 0x62319b9d, 0x52b5e546, 0x61b02876, 0x534ef1b5, 0x612dc447, + 0x53e73097, 0x60aa7050, 0x547ea073, 0x60262dd6, 0x55153fd4, 0x5fa0fe1f, 0x55ab0d46, 0x5f1ae274, + 0x56400758, 0x5e93dc1f, 0x56d42c99, 0x5e0bec6e, 0x57677b9d, 0x5d8314b1, 0x57f9f2f8, 0x5cf95638, + 0x588b9140, 0x5c6eb258, 0x591c550e, 0x5be32a67, 0x59ac3cfd, 0x5b56bfbd, 0x5a3b47ab, 0x5ac973b5, + + /* 512 point window */ + 0x003243f5, 0x7ffff621, 0x0096cbc1, 0x7fffa72c, 0x00fb5330, 0x7fff0943, 0x015fda03, 0x7ffe1c65, + 0x01c45ffe, 0x7ffce093, 0x0228e4e2, 0x7ffb55ce, 0x028d6870, 0x7ff97c18, 0x02f1ea6c, 0x7ff75370, + 0x03566a96, 0x7ff4dbd9, 0x03bae8b2, 0x7ff21553, 0x041f6480, 0x7feeffe1, 0x0483ddc3, 0x7feb9b85, + 0x04e8543e, 0x7fe7e841, 0x054cc7b1, 0x7fe3e616, 0x05b137df, 0x7fdf9508, 0x0615a48b, 0x7fdaf519, + 0x067a0d76, 0x7fd6064c, 0x06de7262, 0x7fd0c8a3, 0x0742d311, 0x7fcb3c23, 0x07a72f45, 0x7fc560cf, + 0x080b86c2, 0x7fbf36aa, 0x086fd947, 0x7fb8bdb8, 0x08d42699, 0x7fb1f5fc, 0x09386e78, 0x7faadf7c, + 0x099cb0a7, 0x7fa37a3c, 0x0a00ece8, 0x7f9bc640, 0x0a6522fe, 0x7f93c38c, 0x0ac952aa, 0x7f8b7227, + 0x0b2d7baf, 0x7f82d214, 0x0b919dcf, 0x7f79e35a, 0x0bf5b8cb, 0x7f70a5fe, 0x0c59cc68, 0x7f671a05, + 0x0cbdd865, 0x7f5d3f75, 0x0d21dc87, 0x7f531655, 0x0d85d88f, 0x7f489eaa, 0x0de9cc40, 0x7f3dd87c, + 0x0e4db75b, 0x7f32c3d1, 0x0eb199a4, 0x7f2760af, 0x0f1572dc, 0x7f1baf1e, 0x0f7942c7, 0x7f0faf25, + 0x0fdd0926, 0x7f0360cb, 0x1040c5bb, 0x7ef6c418, 0x10a4784b, 0x7ee9d914, 0x11082096, 0x7edc9fc6, + 0x116bbe60, 0x7ecf1837, 0x11cf516a, 0x7ec14270, 0x1232d979, 0x7eb31e78, 0x1296564d, 0x7ea4ac58, + 0x12f9c7aa, 0x7e95ec1a, 0x135d2d53, 0x7e86ddc6, 0x13c0870a, 0x7e778166, 0x1423d492, 0x7e67d703, + 0x148715ae, 0x7e57dea7, 0x14ea4a1f, 0x7e47985b, 0x154d71aa, 0x7e37042a, 0x15b08c12, 0x7e26221f, + 0x16139918, 0x7e14f242, 0x1676987f, 0x7e0374a0, 0x16d98a0c, 0x7df1a942, 0x173c6d80, 0x7ddf9034, + 0x179f429f, 0x7dcd2981, 0x1802092c, 0x7dba7534, 0x1864c0ea, 0x7da77359, 0x18c7699b, 0x7d9423fc, + 0x192a0304, 0x7d808728, 0x198c8ce7, 0x7d6c9ce9, 0x19ef0707, 0x7d58654d, 0x1a517128, 0x7d43e05e, + 0x1ab3cb0d, 0x7d2f0e2b, 0x1b161479, 0x7d19eebf, 0x1b784d30, 0x7d048228, 0x1bda74f6, 0x7ceec873, + 0x1c3c8b8c, 0x7cd8c1ae, 0x1c9e90b8, 0x7cc26de5, 0x1d00843d, 0x7cabcd28, 0x1d6265dd, 0x7c94df83, + 0x1dc4355e, 0x7c7da505, 0x1e25f282, 0x7c661dbc, 0x1e879d0d, 0x7c4e49b7, 0x1ee934c3, 0x7c362904, + 0x1f4ab968, 0x7c1dbbb3, 0x1fac2abf, 0x7c0501d2, 0x200d888d, 0x7bebfb70, 0x206ed295, 0x7bd2a89e, + 0x20d0089c, 0x7bb9096b, 0x21312a65, 0x7b9f1de6, 0x219237b5, 0x7b84e61f, 0x21f3304f, 0x7b6a6227, + 0x225413f8, 0x7b4f920e, 0x22b4e274, 0x7b3475e5, 0x23159b88, 0x7b190dbc, 0x23763ef7, 0x7afd59a4, + 0x23d6cc87, 0x7ae159ae, 0x243743fa, 0x7ac50dec, 0x2497a517, 0x7aa8766f, 0x24f7efa2, 0x7a8b9348, + 0x2558235f, 0x7a6e648a, 0x25b84012, 0x7a50ea47, 0x26184581, 0x7a332490, 0x26783370, 0x7a151378, + 0x26d809a5, 0x79f6b711, 0x2737c7e3, 0x79d80f6f, 0x27976df1, 0x79b91ca4, 0x27f6fb92, 0x7999dec4, + 0x2856708d, 0x797a55e0, 0x28b5cca5, 0x795a820e, 0x29150fa1, 0x793a6361, 0x29743946, 0x7919f9ec, + 0x29d34958, 0x78f945c3, 0x2a323f9e, 0x78d846fb, 0x2a911bdc, 0x78b6fda8, 0x2aefddd8, 0x789569df, + 0x2b4e8558, 0x78738bb3, 0x2bad1221, 0x7851633b, 0x2c0b83fa, 0x782ef08b, 0x2c69daa6, 0x780c33b8, + 0x2cc815ee, 0x77e92cd9, 0x2d263596, 0x77c5dc01, 0x2d843964, 0x77a24148, 0x2de2211e, 0x777e5cc3, + 0x2e3fec8b, 0x775a2e89, 0x2e9d9b70, 0x7735b6af, 0x2efb2d95, 0x7710f54c, 0x2f58a2be, 0x76ebea77, + 0x2fb5fab2, 0x76c69647, 0x30133539, 0x76a0f8d2, 0x30705217, 0x767b1231, 0x30cd5115, 0x7654e279, + 0x312a31f8, 0x762e69c4, 0x3186f487, 0x7607a828, 0x31e39889, 0x75e09dbd, 0x32401dc6, 0x75b94a9c, + 0x329c8402, 0x7591aedd, 0x32f8cb07, 0x7569ca99, 0x3354f29b, 0x75419de7, 0x33b0fa84, 0x751928e0, + 0x340ce28b, 0x74f06b9e, 0x3468aa76, 0x74c7663a, 0x34c4520d, 0x749e18cd, 0x351fd918, 0x74748371, + 0x357b3f5d, 0x744aa63f, 0x35d684a6, 0x74208150, 0x3631a8b8, 0x73f614c0, 0x368cab5c, 0x73cb60a8, + 0x36e78c5b, 0x73a06522, 0x37424b7b, 0x73752249, 0x379ce885, 0x73499838, 0x37f76341, 0x731dc70a, + 0x3851bb77, 0x72f1aed9, 0x38abf0ef, 0x72c54fc1, 0x39060373, 0x7298a9dd, 0x395ff2c9, 0x726bbd48, + 0x39b9bebc, 0x723e8a20, 0x3a136712, 0x7211107e, 0x3a6ceb96, 0x71e35080, 0x3ac64c0f, 0x71b54a41, + 0x3b1f8848, 0x7186fdde, 0x3b78a007, 0x71586b74, 0x3bd19318, 0x7129931f, 0x3c2a6142, 0x70fa74fc, + 0x3c830a50, 0x70cb1128, 0x3cdb8e09, 0x709b67c0, 0x3d33ec39, 0x706b78e3, 0x3d8c24a8, 0x703b44ad, + 0x3de4371f, 0x700acb3c, 0x3e3c2369, 0x6fda0cae, 0x3e93e950, 0x6fa90921, 0x3eeb889c, 0x6f77c0b3, + 0x3f430119, 0x6f463383, 0x3f9a5290, 0x6f1461b0, 0x3ff17cca, 0x6ee24b57, 0x40487f94, 0x6eaff099, + 0x409f5ab6, 0x6e7d5193, 0x40f60dfb, 0x6e4a6e66, 0x414c992f, 0x6e174730, 0x41a2fc1a, 0x6de3dc11, + 0x41f93689, 0x6db02d29, 0x424f4845, 0x6d7c3a98, 0x42a5311b, 0x6d48047e, 0x42faf0d4, 0x6d138afb, + 0x4350873c, 0x6cdece2f, 0x43a5f41e, 0x6ca9ce3b, 0x43fb3746, 0x6c748b3f, 0x4450507e, 0x6c3f055d, + 0x44a53f93, 0x6c093cb6, 0x44fa0450, 0x6bd3316a, 0x454e9e80, 0x6b9ce39b, 0x45a30df0, 0x6b66536b, + 0x45f7526b, 0x6b2f80fb, 0x464b6bbe, 0x6af86c6c, 0x469f59b4, 0x6ac115e2, 0x46f31c1a, 0x6a897d7d, + 0x4746b2bc, 0x6a51a361, 0x479a1d67, 0x6a1987b0, 0x47ed5be6, 0x69e12a8c, 0x48406e08, 0x69a88c19, + 0x48935397, 0x696fac78, 0x48e60c62, 0x69368bce, 0x49389836, 0x68fd2a3d, 0x498af6df, 0x68c387e9, + 0x49dd282a, 0x6889a4f6, 0x4a2f2be6, 0x684f8186, 0x4a8101de, 0x68151dbe, 0x4ad2a9e2, 0x67da79c3, + 0x4b2423be, 0x679f95b7, 0x4b756f40, 0x676471c0, 0x4bc68c36, 0x67290e02, 0x4c177a6e, 0x66ed6aa1, + 0x4c6839b7, 0x66b187c3, 0x4cb8c9dd, 0x6675658c, 0x4d092ab0, 0x66390422, 0x4d595bfe, 0x65fc63a9, + 0x4da95d96, 0x65bf8447, 0x4df92f46, 0x65826622, 0x4e48d0dd, 0x6545095f, 0x4e984229, 0x65076e25, + 0x4ee782fb, 0x64c99498, 0x4f369320, 0x648b7ce0, 0x4f857269, 0x644d2722, 0x4fd420a4, 0x640e9386, + 0x50229da1, 0x63cfc231, 0x5070e92f, 0x6390b34a, 0x50bf031f, 0x635166f9, 0x510ceb40, 0x6311dd64, + 0x515aa162, 0x62d216b3, 0x51a82555, 0x6292130c, 0x51f576ea, 0x6251d298, 0x524295f0, 0x6211557e, + 0x528f8238, 0x61d09be5, 0x52dc3b92, 0x618fa5f7, 0x5328c1d0, 0x614e73da, 0x537514c2, 0x610d05b7, + 0x53c13439, 0x60cb5bb7, 0x540d2005, 0x60897601, 0x5458d7f9, 0x604754bf, 0x54a45be6, 0x6004f819, + 0x54efab9c, 0x5fc26038, 0x553ac6ee, 0x5f7f8d46, 0x5585adad, 0x5f3c7f6b, 0x55d05faa, 0x5ef936d1, + 0x561adcb9, 0x5eb5b3a2, 0x566524aa, 0x5e71f606, 0x56af3750, 0x5e2dfe29, 0x56f9147e, 0x5de9cc33, + 0x5742bc06, 0x5da5604f, 0x578c2dba, 0x5d60baa7, 0x57d5696d, 0x5d1bdb65, 0x581e6ef1, 0x5cd6c2b5, + 0x58673e1b, 0x5c9170bf, 0x58afd6bd, 0x5c4be5b0, 0x58f838a9, 0x5c0621b2, 0x594063b5, 0x5bc024f0, + 0x598857b2, 0x5b79ef96, 0x59d01475, 0x5b3381ce, 0x5a1799d1, 0x5aecdbc5, 0x5a5ee79a, 0x5aa5fda5, + + /* 1024 point window */ + 0x001921fb, 0x7ffffd88, 0x004b65ee, 0x7fffe9cb, 0x007da9d4, 0x7fffc251, 0x00afeda8, 0x7fff8719, + 0x00e23160, 0x7fff3824, 0x011474f6, 0x7ffed572, 0x0146b860, 0x7ffe5f03, 0x0178fb99, 0x7ffdd4d7, + 0x01ab3e97, 0x7ffd36ee, 0x01dd8154, 0x7ffc8549, 0x020fc3c6, 0x7ffbbfe6, 0x024205e8, 0x7ffae6c7, + 0x027447b0, 0x7ff9f9ec, 0x02a68917, 0x7ff8f954, 0x02d8ca16, 0x7ff7e500, 0x030b0aa4, 0x7ff6bcf0, + 0x033d4abb, 0x7ff58125, 0x036f8a51, 0x7ff4319d, 0x03a1c960, 0x7ff2ce5b, 0x03d407df, 0x7ff1575d, + 0x040645c7, 0x7fefcca4, 0x04388310, 0x7fee2e30, 0x046abfb3, 0x7fec7c02, 0x049cfba7, 0x7feab61a, + 0x04cf36e5, 0x7fe8dc78, 0x05017165, 0x7fe6ef1c, 0x0533ab20, 0x7fe4ee06, 0x0565e40d, 0x7fe2d938, + 0x05981c26, 0x7fe0b0b1, 0x05ca5361, 0x7fde7471, 0x05fc89b8, 0x7fdc247a, 0x062ebf22, 0x7fd9c0ca, + 0x0660f398, 0x7fd74964, 0x06932713, 0x7fd4be46, 0x06c5598a, 0x7fd21f72, 0x06f78af6, 0x7fcf6ce8, + 0x0729bb4e, 0x7fcca6a7, 0x075bea8c, 0x7fc9ccb2, 0x078e18a7, 0x7fc6df08, 0x07c04598, 0x7fc3dda9, + 0x07f27157, 0x7fc0c896, 0x08249bdd, 0x7fbd9fd0, 0x0856c520, 0x7fba6357, 0x0888ed1b, 0x7fb7132b, + 0x08bb13c5, 0x7fb3af4e, 0x08ed3916, 0x7fb037bf, 0x091f5d06, 0x7facac7f, 0x09517f8f, 0x7fa90d8e, + 0x0983a0a7, 0x7fa55aee, 0x09b5c048, 0x7fa1949e, 0x09e7de6a, 0x7f9dbaa0, 0x0a19fb04, 0x7f99ccf4, + 0x0a4c1610, 0x7f95cb9a, 0x0a7e2f85, 0x7f91b694, 0x0ab0475c, 0x7f8d8de1, 0x0ae25d8d, 0x7f895182, + 0x0b147211, 0x7f850179, 0x0b4684df, 0x7f809dc5, 0x0b7895f0, 0x7f7c2668, 0x0baaa53b, 0x7f779b62, + 0x0bdcb2bb, 0x7f72fcb4, 0x0c0ebe66, 0x7f6e4a5e, 0x0c40c835, 0x7f698461, 0x0c72d020, 0x7f64aabf, + 0x0ca4d620, 0x7f5fbd77, 0x0cd6da2d, 0x7f5abc8a, 0x0d08dc3f, 0x7f55a7fa, 0x0d3adc4e, 0x7f507fc7, + 0x0d6cda53, 0x7f4b43f2, 0x0d9ed646, 0x7f45f47b, 0x0dd0d01f, 0x7f409164, 0x0e02c7d7, 0x7f3b1aad, + 0x0e34bd66, 0x7f359057, 0x0e66b0c3, 0x7f2ff263, 0x0e98a1e9, 0x7f2a40d2, 0x0eca90ce, 0x7f247ba5, + 0x0efc7d6b, 0x7f1ea2dc, 0x0f2e67b8, 0x7f18b679, 0x0f604faf, 0x7f12b67c, 0x0f923546, 0x7f0ca2e7, + 0x0fc41876, 0x7f067bba, 0x0ff5f938, 0x7f0040f6, 0x1027d784, 0x7ef9f29d, 0x1059b352, 0x7ef390ae, + 0x108b8c9b, 0x7eed1b2c, 0x10bd6356, 0x7ee69217, 0x10ef377d, 0x7edff570, 0x11210907, 0x7ed94538, + 0x1152d7ed, 0x7ed28171, 0x1184a427, 0x7ecbaa1a, 0x11b66dad, 0x7ec4bf36, 0x11e83478, 0x7ebdc0c6, + 0x1219f880, 0x7eb6aeca, 0x124bb9be, 0x7eaf8943, 0x127d7829, 0x7ea85033, 0x12af33ba, 0x7ea1039b, + 0x12e0ec6a, 0x7e99a37c, 0x1312a230, 0x7e922fd6, 0x13445505, 0x7e8aa8ac, 0x137604e2, 0x7e830dff, + 0x13a7b1bf, 0x7e7b5fce, 0x13d95b93, 0x7e739e1d, 0x140b0258, 0x7e6bc8eb, 0x143ca605, 0x7e63e03b, + 0x146e4694, 0x7e5be40c, 0x149fe3fc, 0x7e53d462, 0x14d17e36, 0x7e4bb13c, 0x1503153a, 0x7e437a9c, + 0x1534a901, 0x7e3b3083, 0x15663982, 0x7e32d2f4, 0x1597c6b7, 0x7e2a61ed, 0x15c95097, 0x7e21dd73, + 0x15fad71b, 0x7e194584, 0x162c5a3b, 0x7e109a24, 0x165dd9f0, 0x7e07db52, 0x168f5632, 0x7dff0911, + 0x16c0cef9, 0x7df62362, 0x16f2443e, 0x7ded2a47, 0x1723b5f9, 0x7de41dc0, 0x17552422, 0x7ddafdce, + 0x17868eb3, 0x7dd1ca75, 0x17b7f5a3, 0x7dc883b4, 0x17e958ea, 0x7dbf298d, 0x181ab881, 0x7db5bc02, + 0x184c1461, 0x7dac3b15, 0x187d6c82, 0x7da2a6c6, 0x18aec0db, 0x7d98ff17, 0x18e01167, 0x7d8f4409, + 0x19115e1c, 0x7d85759f, 0x1942a6f3, 0x7d7b93da, 0x1973ebe6, 0x7d719eba, 0x19a52ceb, 0x7d679642, + 0x19d669fc, 0x7d5d7a74, 0x1a07a311, 0x7d534b50, 0x1a38d823, 0x7d4908d9, 0x1a6a0929, 0x7d3eb30f, + 0x1a9b361d, 0x7d3449f5, 0x1acc5ef6, 0x7d29cd8c, 0x1afd83ad, 0x7d1f3dd6, 0x1b2ea43a, 0x7d149ad5, + 0x1b5fc097, 0x7d09e489, 0x1b90d8bb, 0x7cff1af5, 0x1bc1ec9e, 0x7cf43e1a, 0x1bf2fc3a, 0x7ce94dfb, + 0x1c240786, 0x7cde4a98, 0x1c550e7c, 0x7cd333f3, 0x1c861113, 0x7cc80a0f, 0x1cb70f43, 0x7cbcccec, + 0x1ce80906, 0x7cb17c8d, 0x1d18fe54, 0x7ca618f3, 0x1d49ef26, 0x7c9aa221, 0x1d7adb73, 0x7c8f1817, + 0x1dabc334, 0x7c837ad8, 0x1ddca662, 0x7c77ca65, 0x1e0d84f5, 0x7c6c06c0, 0x1e3e5ee5, 0x7c602fec, + 0x1e6f342c, 0x7c5445e9, 0x1ea004c1, 0x7c4848ba, 0x1ed0d09d, 0x7c3c3860, 0x1f0197b8, 0x7c3014de, + 0x1f325a0b, 0x7c23de35, 0x1f63178f, 0x7c179467, 0x1f93d03c, 0x7c0b3777, 0x1fc4840a, 0x7bfec765, + 0x1ff532f2, 0x7bf24434, 0x2025dcec, 0x7be5ade6, 0x205681f1, 0x7bd9047c, 0x208721f9, 0x7bcc47fa, + 0x20b7bcfe, 0x7bbf7860, 0x20e852f6, 0x7bb295b0, 0x2118e3dc, 0x7ba59fee, 0x21496fa7, 0x7b989719, + 0x2179f64f, 0x7b8b7b36, 0x21aa77cf, 0x7b7e4c45, 0x21daf41d, 0x7b710a49, 0x220b6b32, 0x7b63b543, + 0x223bdd08, 0x7b564d36, 0x226c4996, 0x7b48d225, 0x229cb0d5, 0x7b3b4410, 0x22cd12bd, 0x7b2da2fa, + 0x22fd6f48, 0x7b1feee5, 0x232dc66d, 0x7b1227d3, 0x235e1826, 0x7b044dc7, 0x238e646a, 0x7af660c2, + 0x23beab33, 0x7ae860c7, 0x23eeec78, 0x7ada4dd8, 0x241f2833, 0x7acc27f7, 0x244f5e5c, 0x7abdef25, + 0x247f8eec, 0x7aafa367, 0x24afb9da, 0x7aa144bc, 0x24dfdf20, 0x7a92d329, 0x250ffeb7, 0x7a844eae, + 0x25401896, 0x7a75b74f, 0x25702cb7, 0x7a670d0d, 0x25a03b11, 0x7a584feb, 0x25d0439f, 0x7a497feb, + 0x26004657, 0x7a3a9d0f, 0x26304333, 0x7a2ba75a, 0x26603a2c, 0x7a1c9ece, 0x26902b39, 0x7a0d836d, + 0x26c01655, 0x79fe5539, 0x26effb76, 0x79ef1436, 0x271fda96, 0x79dfc064, 0x274fb3ae, 0x79d059c8, + 0x277f86b5, 0x79c0e062, 0x27af53a6, 0x79b15435, 0x27df1a77, 0x79a1b545, 0x280edb23, 0x79920392, + 0x283e95a1, 0x79823f20, 0x286e49ea, 0x797267f2, 0x289df7f8, 0x79627e08, 0x28cd9fc1, 0x79528167, + 0x28fd4140, 0x79427210, 0x292cdc6d, 0x79325006, 0x295c7140, 0x79221b4b, 0x298bffb2, 0x7911d3e2, + 0x29bb87bc, 0x790179cd, 0x29eb0957, 0x78f10d0f, 0x2a1a847b, 0x78e08dab, 0x2a49f920, 0x78cffba3, + 0x2a796740, 0x78bf56f9, 0x2aa8ced3, 0x78ae9fb0, 0x2ad82fd2, 0x789dd5cb, 0x2b078a36, 0x788cf94c, + 0x2b36ddf7, 0x787c0a36, 0x2b662b0e, 0x786b088c, 0x2b957173, 0x7859f44f, 0x2bc4b120, 0x7848cd83, + 0x2bf3ea0d, 0x7837942b, 0x2c231c33, 0x78264849, 0x2c52478a, 0x7814e9df, 0x2c816c0c, 0x780378f1, + 0x2cb089b1, 0x77f1f581, 0x2cdfa071, 0x77e05f91, 0x2d0eb046, 0x77ceb725, 0x2d3db928, 0x77bcfc3f, + 0x2d6cbb10, 0x77ab2ee2, 0x2d9bb5f6, 0x77994f11, 0x2dcaa9d5, 0x77875cce, 0x2df996a3, 0x7775581d, + 0x2e287c5a, 0x776340ff, 0x2e575af3, 0x77511778, 0x2e863267, 0x773edb8b, 0x2eb502ae, 0x772c8d3a, + 0x2ee3cbc1, 0x771a2c88, 0x2f128d99, 0x7707b979, 0x2f41482e, 0x76f5340e, 0x2f6ffb7a, 0x76e29c4b, + 0x2f9ea775, 0x76cff232, 0x2fcd4c19, 0x76bd35c7, 0x2ffbe95d, 0x76aa670d, 0x302a7f3a, 0x76978605, + 0x30590dab, 0x768492b4, 0x308794a6, 0x76718d1c, 0x30b61426, 0x765e7540, 0x30e48c22, 0x764b4b23, + 0x3112fc95, 0x76380ec8, 0x31416576, 0x7624c031, 0x316fc6be, 0x76115f63, 0x319e2067, 0x75fdec60, + 0x31cc7269, 0x75ea672a, 0x31fabcbd, 0x75d6cfc5, 0x3228ff5c, 0x75c32634, 0x32573a3f, 0x75af6a7b, + 0x32856d5e, 0x759b9c9b, 0x32b398b3, 0x7587bc98, 0x32e1bc36, 0x7573ca75, 0x330fd7e1, 0x755fc635, + 0x333debab, 0x754bafdc, 0x336bf78f, 0x7537876c, 0x3399fb85, 0x75234ce8, 0x33c7f785, 0x750f0054, + 0x33f5eb89, 0x74faa1b3, 0x3423d78a, 0x74e63108, 0x3451bb81, 0x74d1ae55, 0x347f9766, 0x74bd199f, + 0x34ad6b32, 0x74a872e8, 0x34db36df, 0x7493ba34, 0x3508fa66, 0x747eef85, 0x3536b5be, 0x746a12df, + 0x356468e2, 0x74552446, 0x359213c9, 0x744023bc, 0x35bfb66e, 0x742b1144, 0x35ed50c9, 0x7415ece2, + 0x361ae2d3, 0x7400b69a, 0x36486c86, 0x73eb6e6e, 0x3675edd9, 0x73d61461, 0x36a366c6, 0x73c0a878, + 0x36d0d746, 0x73ab2ab4, 0x36fe3f52, 0x73959b1b, 0x372b9ee3, 0x737ff9ae, 0x3758f5f2, 0x736a4671, + 0x37864477, 0x73548168, 0x37b38a6d, 0x733eaa96, 0x37e0c7cc, 0x7328c1ff, 0x380dfc8d, 0x7312c7a5, + 0x383b28a9, 0x72fcbb8c, 0x38684c19, 0x72e69db7, 0x389566d6, 0x72d06e2b, 0x38c278d9, 0x72ba2cea, + 0x38ef821c, 0x72a3d9f7, 0x391c8297, 0x728d7557, 0x39497a43, 0x7276ff0d, 0x39766919, 0x7260771b, + 0x39a34f13, 0x7249dd86, 0x39d02c2a, 0x72333251, 0x39fd0056, 0x721c7580, 0x3a29cb91, 0x7205a716, + 0x3a568dd4, 0x71eec716, 0x3a834717, 0x71d7d585, 0x3aaff755, 0x71c0d265, 0x3adc9e86, 0x71a9bdba, + 0x3b093ca3, 0x71929789, 0x3b35d1a5, 0x717b5fd3, 0x3b625d86, 0x7164169d, 0x3b8ee03e, 0x714cbbeb, + 0x3bbb59c7, 0x71354fc0, 0x3be7ca1a, 0x711dd220, 0x3c143130, 0x7106430e, 0x3c408f03, 0x70eea28e, + 0x3c6ce38a, 0x70d6f0a4, 0x3c992ec0, 0x70bf2d53, 0x3cc5709e, 0x70a7589f, 0x3cf1a91c, 0x708f728b, + 0x3d1dd835, 0x70777b1c, 0x3d49fde1, 0x705f7255, 0x3d761a19, 0x70475839, 0x3da22cd7, 0x702f2ccd, + 0x3dce3614, 0x7016f014, 0x3dfa35c8, 0x6ffea212, 0x3e262bee, 0x6fe642ca, 0x3e52187f, 0x6fcdd241, + 0x3e7dfb73, 0x6fb5507a, 0x3ea9d4c3, 0x6f9cbd79, 0x3ed5a46b, 0x6f841942, 0x3f016a61, 0x6f6b63d8, + 0x3f2d26a0, 0x6f529d40, 0x3f58d921, 0x6f39c57d, 0x3f8481dd, 0x6f20dc92, 0x3fb020ce, 0x6f07e285, + 0x3fdbb5ec, 0x6eeed758, 0x40074132, 0x6ed5bb10, 0x4032c297, 0x6ebc8db0, 0x405e3a16, 0x6ea34f3d, + 0x4089a7a8, 0x6e89ffb9, 0x40b50b46, 0x6e709f2a, 0x40e064ea, 0x6e572d93, 0x410bb48c, 0x6e3daaf8, + 0x4136fa27, 0x6e24175c, 0x416235b2, 0x6e0a72c5, 0x418d6729, 0x6df0bd35, 0x41b88e84, 0x6dd6f6b1, + 0x41e3abbc, 0x6dbd1f3c, 0x420ebecb, 0x6da336dc, 0x4239c7aa, 0x6d893d93, 0x4264c653, 0x6d6f3365, + 0x428fbabe, 0x6d551858, 0x42baa4e6, 0x6d3aec6e, 0x42e584c3, 0x6d20afac, 0x43105a50, 0x6d066215, + 0x433b2585, 0x6cec03af, 0x4365e65b, 0x6cd1947c, 0x43909ccd, 0x6cb71482, 0x43bb48d4, 0x6c9c83c3, + 0x43e5ea68, 0x6c81e245, 0x44108184, 0x6c67300b, 0x443b0e21, 0x6c4c6d1a, 0x44659039, 0x6c319975, + 0x449007c4, 0x6c16b521, 0x44ba74bd, 0x6bfbc021, 0x44e4d71c, 0x6be0ba7b, 0x450f2edb, 0x6bc5a431, + 0x45397bf4, 0x6baa7d49, 0x4563be60, 0x6b8f45c7, 0x458df619, 0x6b73fdae, 0x45b82318, 0x6b58a503, + 0x45e24556, 0x6b3d3bcb, 0x460c5cce, 0x6b21c208, 0x46366978, 0x6b0637c1, 0x46606b4e, 0x6aea9cf8, + 0x468a624a, 0x6acef1b2, 0x46b44e65, 0x6ab335f4, 0x46de2f99, 0x6a9769c1, 0x470805df, 0x6a7b8d1e, + 0x4731d131, 0x6a5fa010, 0x475b9188, 0x6a43a29a, 0x478546de, 0x6a2794c1, 0x47aef12c, 0x6a0b7689, + 0x47d8906d, 0x69ef47f6, 0x48022499, 0x69d3090e, 0x482badab, 0x69b6b9d3, 0x48552b9b, 0x699a5a4c, + 0x487e9e64, 0x697dea7b, 0x48a805ff, 0x69616a65, 0x48d16265, 0x6944da10, 0x48fab391, 0x6928397e, + 0x4923f97b, 0x690b88b5, 0x494d341e, 0x68eec7b9, 0x49766373, 0x68d1f68f, 0x499f8774, 0x68b5153a, + 0x49c8a01b, 0x689823bf, 0x49f1ad61, 0x687b2224, 0x4a1aaf3f, 0x685e106c, 0x4a43a5b0, 0x6840ee9b, + 0x4a6c90ad, 0x6823bcb7, 0x4a957030, 0x68067ac3, 0x4abe4433, 0x67e928c5, 0x4ae70caf, 0x67cbc6c0, + 0x4b0fc99d, 0x67ae54ba, 0x4b387af9, 0x6790d2b6, 0x4b6120bb, 0x677340ba, 0x4b89badd, 0x67559eca, + 0x4bb24958, 0x6737ecea, 0x4bdacc28, 0x671a2b20, 0x4c034345, 0x66fc596f, 0x4c2baea9, 0x66de77dc, + 0x4c540e4e, 0x66c0866d, 0x4c7c622d, 0x66a28524, 0x4ca4aa41, 0x66847408, 0x4ccce684, 0x6666531d, + 0x4cf516ee, 0x66482267, 0x4d1d3b7a, 0x6629e1ec, 0x4d455422, 0x660b91af, 0x4d6d60df, 0x65ed31b5, + 0x4d9561ac, 0x65cec204, 0x4dbd5682, 0x65b0429f, 0x4de53f5a, 0x6591b38c, 0x4e0d1c30, 0x657314cf, + 0x4e34ecfc, 0x6554666d, 0x4e5cb1b9, 0x6535a86b, 0x4e846a60, 0x6516dacd, 0x4eac16eb, 0x64f7fd98, + 0x4ed3b755, 0x64d910d1, 0x4efb4b96, 0x64ba147d, 0x4f22d3aa, 0x649b08a0, 0x4f4a4f89, 0x647bed3f, + 0x4f71bf2e, 0x645cc260, 0x4f992293, 0x643d8806, 0x4fc079b1, 0x641e3e38, 0x4fe7c483, 0x63fee4f8, + 0x500f0302, 0x63df7c4d, 0x50363529, 0x63c0043b, 0x505d5af1, 0x63a07cc7, 0x50847454, 0x6380e5f6, + 0x50ab814d, 0x63613fcd, 0x50d281d5, 0x63418a50, 0x50f975e6, 0x6321c585, 0x51205d7b, 0x6301f171, + 0x5147388c, 0x62e20e17, 0x516e0715, 0x62c21b7e, 0x5194c910, 0x62a219aa, 0x51bb7e75, 0x628208a1, + 0x51e22740, 0x6261e866, 0x5208c36a, 0x6241b8ff, 0x522f52ee, 0x62217a72, 0x5255d5c5, 0x62012cc2, + 0x527c4bea, 0x61e0cff5, 0x52a2b556, 0x61c06410, 0x52c91204, 0x619fe918, 0x52ef61ee, 0x617f5f12, + 0x5315a50e, 0x615ec603, 0x533bdb5d, 0x613e1df0, 0x536204d7, 0x611d66de, 0x53882175, 0x60fca0d2, + 0x53ae3131, 0x60dbcbd1, 0x53d43406, 0x60bae7e1, 0x53fa29ed, 0x6099f505, 0x542012e1, 0x6078f344, + 0x5445eedb, 0x6057e2a2, 0x546bbdd7, 0x6036c325, 0x54917fce, 0x601594d1, 0x54b734ba, 0x5ff457ad, + 0x54dcdc96, 0x5fd30bbc, 0x5502775c, 0x5fb1b104, 0x55280505, 0x5f90478a, 0x554d858d, 0x5f6ecf53, + 0x5572f8ed, 0x5f4d4865, 0x55985f20, 0x5f2bb2c5, 0x55bdb81f, 0x5f0a0e77, 0x55e303e6, 0x5ee85b82, + 0x5608426e, 0x5ec699e9, 0x562d73b2, 0x5ea4c9b3, 0x565297ab, 0x5e82eae5, 0x5677ae54, 0x5e60fd84, + 0x569cb7a8, 0x5e3f0194, 0x56c1b3a1, 0x5e1cf71c, 0x56e6a239, 0x5dfade20, 0x570b8369, 0x5dd8b6a7, + 0x5730572e, 0x5db680b4, 0x57551d80, 0x5d943c4e, 0x5779d65b, 0x5d71e979, 0x579e81b8, 0x5d4f883b, + 0x57c31f92, 0x5d2d189a, 0x57e7afe4, 0x5d0a9a9a, 0x580c32a7, 0x5ce80e41, 0x5830a7d6, 0x5cc57394, + 0x58550f6c, 0x5ca2ca99, 0x58796962, 0x5c801354, 0x589db5b3, 0x5c5d4dcc, 0x58c1f45b, 0x5c3a7a05, + 0x58e62552, 0x5c179806, 0x590a4893, 0x5bf4a7d2, 0x592e5e19, 0x5bd1a971, 0x595265df, 0x5bae9ce7, + 0x59765fde, 0x5b8b8239, 0x599a4c12, 0x5b68596d, 0x59be2a74, 0x5b452288, 0x59e1faff, 0x5b21dd90, + 0x5a05bdae, 0x5afe8a8b, 0x5a29727b, 0x5adb297d, 0x5a4d1960, 0x5ab7ba6c, 0x5a70b258, 0x5a943d5e, +}; + +/* bit reverse tables for FFT */ + +const int bitrevtabOffset[3] = {0, 33, 98}; + +const unsigned char bitrevtab[33 + 65 + 129] = { + /* bitrevtab0[33] */ + 0x1, 0x10, 0x2, 0x8, 0x3, 0x18, 0x5, 0x14, 0x6, 0xc, 0x7, 0x1c, 0x9, 0x12, 0xb, 0x1a, + 0xd, 0x16, 0xf, 0x1e, 0x13, 0x19, 0x17, 0x1d, 0x0, 0x4, 0xa, 0xe, 0x11, 0x15, 0x1b, 0x1f, 0x0, + + /* bitrevtab1[65] */ + 0x1, 0x20, 0x2, 0x10, 0x3, 0x30, 0x4, 0x8, 0x5, 0x28, 0x6, 0x18, 0x7, 0x38, 0x9, 0x24, + 0xa, 0x14, 0xb, 0x34, 0xd, 0x2c, 0xe, 0x1c, 0xf, 0x3c, 0x11, 0x22, 0x13, 0x32, 0x15, 0x2a, + 0x16, 0x1a, 0x17, 0x3a, 0x19, 0x26, 0x1b, 0x36, 0x1d, 0x2e, 0x1f, 0x3e, 0x23, 0x31, 0x25, 0x29, + 0x27, 0x39, 0x2b, 0x35, 0x2f, 0x3d, 0x37, 0x3b, 0x0, 0xc, 0x12, 0x1e, 0x21, 0x2d, 0x33, 0x3f, 0x0, + + /* bitrevtab2[129] */ + 0x1, 0x40, 0x2, 0x20, 0x3, 0x60, 0x4, 0x10, 0x5, 0x50, 0x6, 0x30, 0x7, 0x70, 0x9, 0x48, + 0xa, 0x28, 0xb, 0x68, 0xc, 0x18, 0xd, 0x58, 0xe, 0x38, 0xf, 0x78, 0x11, 0x44, 0x12, 0x24, + 0x13, 0x64, 0x15, 0x54, 0x16, 0x34, 0x17, 0x74, 0x19, 0x4c, 0x1a, 0x2c, 0x1b, 0x6c, 0x1d, 0x5c, + 0x1e, 0x3c, 0x1f, 0x7c, 0x21, 0x42, 0x23, 0x62, 0x25, 0x52, 0x26, 0x32, 0x27, 0x72, 0x29, 0x4a, + 0x2b, 0x6a, 0x2d, 0x5a, 0x2e, 0x3a, 0x2f, 0x7a, 0x31, 0x46, 0x33, 0x66, 0x35, 0x56, 0x37, 0x76, + 0x39, 0x4e, 0x3b, 0x6e, 0x3d, 0x5e, 0x3f, 0x7e, 0x43, 0x61, 0x45, 0x51, 0x47, 0x71, 0x4b, 0x69, + 0x4d, 0x59, 0x4f, 0x79, 0x53, 0x65, 0x57, 0x75, 0x5b, 0x6d, 0x5f, 0x7d, 0x67, 0x73, 0x6f, 0x7b, + 0x0, 0x8, 0x14, 0x1c, 0x22, 0x2a, 0x36, 0x3e, 0x41, 0x49, 0x55, 0x5d, 0x63, 0x6b, 0x77, 0x7f, 0x0, +}; + +const unsigned char uniqueIDTab[8] = {0x5f, 0x4b, 0x43, 0x5f, 0x5f, 0x4a, 0x52, 0x5f}; + +/* Twiddle tables for FFT + * format = Q31 + * + * for (k = 4; k <= N/4; k <<= 1) { + * for (j = 0; j < k; j++) { + * double wr1, wi1, wr2, wi2, wr3, wi3; + * + * wr1 = cos(1.0 * M_PI * j / (2*k)); + * wi1 = sin(1.0 * M_PI * j / (2*k)); + * wr1 = 0.5 * (wr1 + wi1); + * wi1 = 0.5 * -wi1; + * + * wr2 = cos(2.0 * M_PI * j / (2*k)); + * wi2 = sin(2.0 * M_PI * j / (2*k)); + * wr2 = 0.5 * (wr2 + wi2); + * wi2 = 0.5 * -wi2; + * + * wr3 = cos(3.0 * M_PI * j / (2*k)); + * wi3 = sin(3.0 * M_PI * j / (2*k)); + * wr3 = 0.5 * (wr3 + wi3); + * wi3 = 0.5 * -wi3; + * + * if (k & 0xaaaaaaaa) { + * w_odd[iodd++] = (float)wr2; + * w_odd[iodd++] = (float)wi2; + * w_odd[iodd++] = (float)wr1; + * w_odd[iodd++] = (float)wi1; + * w_odd[iodd++] = (float)wr3; + * w_odd[iodd++] = (float)wi3; + * } else { + * w_even[ieven++] = (float)wr2; + * w_even[ieven++] = (float)wi2; + * w_even[ieven++] = (float)wr1; + * w_even[ieven++] = (float)wi1; + * w_even[ieven++] = (float)wr3; + * w_even[ieven++] = (float)wi3; + * } + * } + * } + */ +const int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6] = { + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x539eba45, 0xe7821d59, + 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, + 0x539eba45, 0xc4df2862, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x22a2f4f8, 0xc4df2862, + 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, + 0xac6145bb, 0x187de2a7, 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x45f704f7, 0xf9ba1651, + 0x43103085, 0xfcdc1342, 0x48b2b335, 0xf69bf7c9, 0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, + 0x4fd288dc, 0xed6bf9d1, 0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, 0x553805f2, 0xe4a2eff6, + 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x569cc31b, 0xe1d4a2c8, + 0x4da1fab5, 0xf0730342, 0x5a6690ae, 0xd5052d97, 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, + 0x5a12e720, 0xce86ff2a, 0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, 0x57cc15bc, 0xc91af976, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a12e720, 0xce86ff2a, + 0x553805f2, 0xe4a2eff6, 0x4da1fab5, 0xc1eb0209, 0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, + 0x45f704f7, 0xc04ee4b8, 0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, 0x3cc85709, 0xc013bc39, + 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x4fd288dc, 0xc2c17d52, + 0x5987b08a, 0xd9e01006, 0x26b2a794, 0xc3bdbdf6, 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, + 0x1a4608ab, 0xc78e9a1d, 0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, 0x0d47d096, 0xcc983f70, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x396b3199, 0xc04ee4b8, + 0x5a6690ae, 0xd09441bb, 0xf2b82f6a, 0xd9e01006, 0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, + 0xe5b9f755, 0xe1d4a2c8, 0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, 0xd94d586c, 0xea70658a, + 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x1a4608ab, 0xc78e9a1d, + 0x57cc15bc, 0xc91af976, 0xc337a8f7, 0xfcdc1342, 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, + 0xba08fb09, 0x0645e9af, 0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, 0xb25e054b, 0x0f8cfcbe, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xf720e574, 0xd76619b6, + 0x51d1dc80, 0xc3bdbdf6, 0xa833ea44, 0x20e70f32, 0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, + 0xa5ed18e0, 0x2899e64a, 0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, 0xa5996f52, 0x2f6bbe45, + 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 0xd5558381, 0xed6bf9d1, + 0x48b2b335, 0xc0b15502, 0xaac7fa0e, 0x39daf5e8, 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, + 0xb02d7724, 0x3d3e82ae, 0xc694ce67, 0xf9ba1651, 0x43103085, 0xc013bc39, 0xb74d4ccb, 0x3f4eaafe, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x418d2621, 0xfe6deaa1, + 0x40c7d2bd, 0xff36f170, 0x424ff28f, 0xfda4f351, 0x43103085, 0xfcdc1342, 0x418d2621, 0xfe6deaa1, + 0x4488e37f, 0xfb4ab7db, 0x4488e37f, 0xfb4ab7db, 0x424ff28f, 0xfda4f351, 0x46aa0d6d, 0xf8f21e8e, + 0x45f704f7, 0xf9ba1651, 0x43103085, 0xfcdc1342, 0x48b2b335, 0xf69bf7c9, 0x475a5c77, 0xf82a6c6a, + 0x43cdd89a, 0xfc135231, 0x4aa22036, 0xf4491311, 0x48b2b335, 0xf69bf7c9, 0x4488e37f, 0xfb4ab7db, + 0x4c77a88e, 0xf1fa3ecb, 0x49ffd417, 0xf50ef5de, 0x454149fc, 0xfa824bfd, 0x4e32a956, 0xefb047f2, + 0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, 0x4fd288dc, 0xed6bf9d1, 0x4c77a88e, 0xf1fa3ecb, + 0x46aa0d6d, 0xf8f21e8e, 0x5156b6d9, 0xeb2e1dbe, 0x4da1fab5, 0xf0730342, 0x475a5c77, 0xf82a6c6a, + 0x52beac9f, 0xe8f77acf, 0x4ec05432, 0xeeee2d9d, 0x4807eb4b, 0xf7630799, 0x5409ed4b, 0xe6c8d59c, + 0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, 0x553805f2, 0xe4a2eff6, 0x50d86e6d, 0xebeca36c, + 0x495aada2, 0xf5d544a7, 0x56488dc5, 0xe28688a4, 0x51d1dc80, 0xea70658a, 0x49ffd417, 0xf50ef5de, + 0x573b2635, 0xe0745b24, 0x52beac9f, 0xe8f77acf, 0x4aa22036, 0xf4491311, 0x580f7b19, 0xde6d1f65, + 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x5471e2e6, 0xe61086bc, + 0x4bde1089, 0xf2beafed, 0x595c3e2a, 0xda8249b4, 0x553805f2, 0xe4a2eff6, 0x4c77a88e, 0xf1fa3ecb, + 0x59d438e5, 0xd8a00bae, 0x55f104dc, 0xe3399167, 0x4d0e4de2, 0xf136580d, 0x5a2d0957, 0xd6cb76c9, + 0x569cc31b, 0xe1d4a2c8, 0x4da1fab5, 0xf0730342, 0x5a6690ae, 0xd5052d97, 0x573b2635, 0xe0745b24, + 0x4e32a956, 0xefb047f2, 0x5a80baf6, 0xd34dcdb4, 0x57cc15bc, 0xdf18f0ce, 0x4ec05432, 0xeeee2d9d, + 0x5a7b7f1a, 0xd1a5ef90, 0x584f7b58, 0xddc29958, 0x4f4af5d1, 0xee2cbbc1, 0x5a56deec, 0xd00e2639, + 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 0x5a12e720, 0xce86ff2a, 0x592d59da, 0xdb25f566, + 0x50570819, 0xecabef3d, 0x59afaf4c, 0xcd110216, 0x5987b08a, 0xd9e01006, 0x50d86e6d, 0xebeca36c, + 0x592d59da, 0xcbacb0bf, 0x59d438e5, 0xd8a00bae, 0x5156b6d9, 0xeb2e1dbe, 0x588c1404, 0xca5a86c4, + 0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, 0x57cc15bc, 0xc91af976, 0x5a43b190, 0xd6326a88, + 0x5249daa2, 0xe9b38223, 0x56eda1a0, 0xc7ee77b3, 0x5a6690ae, 0xd5052d97, 0x52beac9f, 0xe8f77acf, + 0x55f104dc, 0xc6d569be, 0x5a7b7f1a, 0xd3de9156, 0x53304df6, 0xe83c56cf, 0x54d69714, 0xc5d03118, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a7b7f1a, 0xd1a5ef90, + 0x5409ed4b, 0xe6c8d59c, 0x5249daa2, 0xc402a33c, 0x5a6690ae, 0xd09441bb, 0x5471e2e6, 0xe61086bc, + 0x50d86e6d, 0xc33aee27, 0x5a43b190, 0xcf89e3e8, 0x54d69714, 0xe55937d5, 0x4f4af5d1, 0xc2884e6e, + 0x5a12e720, 0xce86ff2a, 0x553805f2, 0xe4a2eff6, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xcd8bbb6d, + 0x55962bc0, 0xe3edb628, 0x4bde1089, 0xc1633f8a, 0x5987b08a, 0xcc983f70, 0x55f104dc, 0xe3399167, + 0x49ffd417, 0xc0f1360b, 0x592d59da, 0xcbacb0bf, 0x56488dc5, 0xe28688a4, 0x4807eb4b, 0xc0950d1d, + 0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, 0x45f704f7, 0xc04ee4b8, 0x584f7b58, 0xc9edeb50, + 0x56eda1a0, 0xe123e6ad, 0x43cdd89a, 0xc01ed535, 0x57cc15bc, 0xc91af976, 0x573b2635, 0xe0745b24, + 0x418d2621, 0xc004ef3f, 0x573b2635, 0xc8507ea7, 0x57854ddd, 0xdfc606f1, 0x3f35b59d, 0xc0013bd3, + 0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, 0x3cc85709, 0xc013bc39, 0x55f104dc, 0xc6d569be, + 0x580f7b19, 0xde6d1f65, 0x3a45e1f7, 0xc03c6a07, 0x553805f2, 0xc6250a18, 0x584f7b58, 0xddc29958, + 0x37af354c, 0xc07b371e, 0x5471e2e6, 0xc57d965d, 0x588c1404, 0xdd196538, 0x350536f1, 0xc0d00db6, + 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x52beac9f, 0xc449d892, + 0x58fb0568, 0xdbcb0cce, 0x2f7afdfc, 0xc1bb5a11, 0x51d1dc80, 0xc3bdbdf6, 0x592d59da, 0xdb25f566, + 0x2c9caf6c, 0xc2517e31, 0x50d86e6d, 0xc33aee27, 0x595c3e2a, 0xda8249b4, 0x29aee694, 0xc2fd08a9, + 0x4fd288dc, 0xc2c17d52, 0x5987b08a, 0xd9e01006, 0x26b2a794, 0xc3bdbdf6, 0x4ec05432, 0xc2517e31, + 0x59afaf4c, 0xd93f4e9e, 0x23a8fb93, 0xc4935b3c, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xd8a00bae, + 0x2092f05f, 0xc57d965d, 0x4c77a88e, 0xc18e18a7, 0x59f54bee, 0xd8024d59, 0x1d719810, 0xc67c1e18, + 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 0x1a4608ab, 0xc78e9a1d, 0x49ffd417, 0xc0f1360b, + 0x5a2d0957, 0xd6cb76c9, 0x17115bc0, 0xc8b4ab32, 0x48b2b335, 0xc0b15502, 0x5a43b190, 0xd6326a88, + 0x13d4ae08, 0xc9edeb50, 0x475a5c77, 0xc07b371e, 0x5a56deec, 0xd59afadb, 0x10911f04, 0xcb39edca, + 0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, 0x0d47d096, 0xcc983f70, 0x4488e37f, 0xc02c64a6, + 0x5a72c63b, 0xd4710883, 0x09f9e6a1, 0xce0866b8, 0x43103085, 0xc013bc39, 0x5a7b7f1a, 0xd3de9156, + 0x06a886a0, 0xcf89e3e8, 0x418d2621, 0xc004ef3f, 0x5a80baf6, 0xd34dcdb4, 0x0354d741, 0xd11c3142, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x3e68fb62, 0xc004ef3f, + 0x5a80baf6, 0xd2317756, 0xfcab28bf, 0xd4710883, 0x3cc85709, 0xc013bc39, 0x5a7b7f1a, 0xd1a5ef90, + 0xf9577960, 0xd6326a88, 0x3b1e5335, 0xc02c64a6, 0x5a72c63b, 0xd11c3142, 0xf606195f, 0xd8024d59, + 0x396b3199, 0xc04ee4b8, 0x5a6690ae, 0xd09441bb, 0xf2b82f6a, 0xd9e01006, 0x37af354c, 0xc07b371e, + 0x5a56deec, 0xd00e2639, 0xef6ee0fc, 0xdbcb0cce, 0x35eaa2c7, 0xc0b15502, 0x5a43b190, 0xcf89e3e8, + 0xec2b51f8, 0xddc29958, 0x341dbfd3, 0xc0f1360b, 0x5a2d0957, 0xcf077fe1, 0xe8eea440, 0xdfc606f1, + 0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, 0xe5b9f755, 0xe1d4a2c8, 0x306c2624, 0xc18e18a7, + 0x59f54bee, 0xce0866b8, 0xe28e67f0, 0xe3edb628, 0x2e88013a, 0xc1eb0209, 0x59d438e5, 0xcd8bbb6d, + 0xdf6d0fa1, 0xe61086bc, 0x2c9caf6c, 0xc2517e31, 0x59afaf4c, 0xcd110216, 0xdc57046d, 0xe83c56cf, + 0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, 0xd94d586c, 0xea70658a, 0x28b1b544, 0xc33aee27, + 0x595c3e2a, 0xcc217822, 0xd651196c, 0xecabef3d, 0x26b2a794, 0xc3bdbdf6, 0x592d59da, 0xcbacb0bf, + 0xd3635094, 0xeeee2d9d, 0x24ada23d, 0xc449d892, 0x58fb0568, 0xcb39edca, 0xd0850204, 0xf136580d, + 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x2092f05f, 0xc57d965d, + 0x588c1404, 0xca5a86c4, 0xcafac90f, 0xf5d544a7, 0x1e7de5df, 0xc6250a18, 0x584f7b58, 0xc9edeb50, + 0xc850cab4, 0xf82a6c6a, 0x1c6427a9, 0xc6d569be, 0x580f7b19, 0xc9836582, 0xc5ba1e09, 0xfa824bfd, + 0x1a4608ab, 0xc78e9a1d, 0x57cc15bc, 0xc91af976, 0xc337a8f7, 0xfcdc1342, 0x1823dc7d, 0xc8507ea7, + 0x57854ddd, 0xc8b4ab32, 0xc0ca4a63, 0xff36f170, 0x15fdf758, 0xc91af976, 0x573b2635, 0xc8507ea7, + 0xbe72d9df, 0x0192155f, 0x13d4ae08, 0xc9edeb50, 0x56eda1a0, 0xc7ee77b3, 0xbc322766, 0x03ecadcf, + 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 0xba08fb09, 0x0645e9af, 0x0f7944a7, 0xcbacb0bf, + 0x56488dc5, 0xc730e997, 0xb7f814b5, 0x089cf867, 0x0d47d096, 0xcc983f70, 0x55f104dc, 0xc6d569be, + 0xb6002be9, 0x0af10a22, 0x0b145041, 0xcd8bbb6d, 0x55962bc0, 0xc67c1e18, 0xb421ef77, 0x0d415013, + 0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, 0xb25e054b, 0x0f8cfcbe, 0x06a886a0, 0xcf89e3e8, + 0x54d69714, 0xc5d03118, 0xb0b50a2f, 0x11d3443f, 0x0470ebdc, 0xd09441bb, 0x5471e2e6, 0xc57d965d, + 0xaf279193, 0x14135c94, 0x0238a1c6, 0xd1a5ef90, 0x5409ed4b, 0xc52d3d18, 0xadb6255e, 0x164c7ddd, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xfdc75e3a, 0xd3de9156, + 0x53304df6, 0xc4935b3c, 0xab2968ec, 0x1aa6c82b, 0xfb8f1424, 0xd5052d97, 0x52beac9f, 0xc449d892, + 0xaa0efb24, 0x1cc66e99, 0xf9577960, 0xd6326a88, 0x5249daa2, 0xc402a33c, 0xa9125e60, 0x1edc1953, + 0xf720e574, 0xd76619b6, 0x51d1dc80, 0xc3bdbdf6, 0xa833ea44, 0x20e70f32, 0xf4ebafbf, 0xd8a00bae, + 0x5156b6d9, 0xc37b2b6a, 0xa773ebfc, 0x22e69ac8, 0xf2b82f6a, 0xd9e01006, 0x50d86e6d, 0xc33aee27, + 0xa6d2a626, 0x24da0a9a, 0xf086bb59, 0xdb25f566, 0x50570819, 0xc2fd08a9, 0xa65050b4, 0x26c0b162, + 0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, 0xa5ed18e0, 0x2899e64a, 0xec2b51f8, 0xddc29958, + 0x4f4af5d1, 0xc2884e6e, 0xa5a92114, 0x2a650525, 0xea0208a8, 0xdf18f0ce, 0x4ec05432, 0xc2517e31, + 0xa58480e6, 0x2c216eaa, 0xe7dc2383, 0xe0745b24, 0x4e32a956, 0xc21d0eb8, 0xa57f450a, 0x2dce88aa, + 0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, 0xa5996f52, 0x2f6bbe45, 0xe39bd857, 0xe3399167, + 0x4d0e4de2, 0xc1bb5a11, 0xa5d2f6a9, 0x30f8801f, 0xe1821a21, 0xe4a2eff6, 0x4c77a88e, 0xc18e18a7, + 0xa62bc71b, 0x32744493, 0xdf6d0fa1, 0xe61086bc, 0x4bde1089, 0xc1633f8a, 0xa6a3c1d6, 0x33de87de, + 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 0xdb525dc3, 0xe8f77acf, + 0x4aa22036, 0xc114ccb9, 0xa7f084e7, 0x367c9a7e, 0xd94d586c, 0xea70658a, 0x49ffd417, 0xc0f1360b, + 0xa8c4d9cb, 0x37af8159, 0xd74e4abc, 0xebeca36c, 0x495aada2, 0xc0d00db6, 0xa9b7723b, 0x38cf1669, + 0xd5558381, 0xed6bf9d1, 0x48b2b335, 0xc0b15502, 0xaac7fa0e, 0x39daf5e8, 0xd3635094, 0xeeee2d9d, + 0x4807eb4b, 0xc0950d1d, 0xabf612b5, 0x3ad2c2e8, 0xd177fec6, 0xf0730342, 0x475a5c77, 0xc07b371e, + 0xad415361, 0x3bb6276e, 0xcf93d9dc, 0xf1fa3ecb, 0x46aa0d6d, 0xc063d405, 0xaea94927, 0x3c84d496, + 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, 0xb02d7724, 0x3d3e82ae, 0xcbe2402d, 0xf50ef5de, + 0x454149fc, 0xc03c6a07, 0xb1cd56aa, 0x3de2f148, 0xca155d39, 0xf69bf7c9, 0x4488e37f, 0xc02c64a6, + 0xb3885772, 0x3e71e759, 0xc850cab4, 0xf82a6c6a, 0x43cdd89a, 0xc01ed535, 0xb55ddfca, 0x3eeb3347, + 0xc694ce67, 0xf9ba1651, 0x43103085, 0xc013bc39, 0xb74d4ccb, 0x3f4eaafe, 0xc4e1accb, 0xfb4ab7db, + 0x424ff28f, 0xc00b1a20, 0xb955f293, 0x3f9c2bfb, 0xc337a8f7, 0xfcdc1342, 0x418d2621, 0xc004ef3f, + 0xbb771c81, 0x3fd39b5a, 0xc197049e, 0xfe6deaa1, 0x40c7d2bd, 0xc0013bd3, 0xbdb00d71, 0x3ff4e5e0, +}; + +const int twidTabEven[4 * 6 + 16 * 6 + 64 * 6] = { + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x5a82799a, 0xd2bec333, + 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, + 0x00000000, 0xd2bec333, 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x4b418bbe, 0xf383a3e2, + 0x45f704f7, 0xf9ba1651, 0x4fd288dc, 0xed6bf9d1, 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, + 0x58c542c5, 0xdc71898d, 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 0x5a12e720, 0xce86ff2a, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xcac933ae, + 0x569cc31b, 0xe1d4a2c8, 0x45f704f7, 0xc04ee4b8, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, + 0x3248d382, 0xc13ad060, 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 0x1a4608ab, 0xc78e9a1d, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x3248d382, 0xc13ad060, + 0x5a12e720, 0xce86ff2a, 0xe5b9f755, 0xe1d4a2c8, 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, + 0xcdb72c7e, 0xf383a3e2, 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 0xba08fb09, 0x0645e9af, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xee57aa21, 0xdc71898d, + 0x4fd288dc, 0xc2c17d52, 0xa5ed18e0, 0x2899e64a, 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, + 0xa73abd3b, 0x3536cc52, 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, 0xb02d7724, 0x3d3e82ae, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x43103085, 0xfcdc1342, + 0x418d2621, 0xfe6deaa1, 0x4488e37f, 0xfb4ab7db, 0x45f704f7, 0xf9ba1651, 0x43103085, 0xfcdc1342, + 0x48b2b335, 0xf69bf7c9, 0x48b2b335, 0xf69bf7c9, 0x4488e37f, 0xfb4ab7db, 0x4c77a88e, 0xf1fa3ecb, + 0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, 0x4fd288dc, 0xed6bf9d1, 0x4da1fab5, 0xf0730342, + 0x475a5c77, 0xf82a6c6a, 0x52beac9f, 0xe8f77acf, 0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, + 0x553805f2, 0xe4a2eff6, 0x51d1dc80, 0xea70658a, 0x49ffd417, 0xf50ef5de, 0x573b2635, 0xe0745b24, + 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x553805f2, 0xe4a2eff6, + 0x4c77a88e, 0xf1fa3ecb, 0x59d438e5, 0xd8a00bae, 0x569cc31b, 0xe1d4a2c8, 0x4da1fab5, 0xf0730342, + 0x5a6690ae, 0xd5052d97, 0x57cc15bc, 0xdf18f0ce, 0x4ec05432, 0xeeee2d9d, 0x5a7b7f1a, 0xd1a5ef90, + 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 0x5a12e720, 0xce86ff2a, 0x5987b08a, 0xd9e01006, + 0x50d86e6d, 0xebeca36c, 0x592d59da, 0xcbacb0bf, 0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, + 0x57cc15bc, 0xc91af976, 0x5a6690ae, 0xd5052d97, 0x52beac9f, 0xe8f77acf, 0x55f104dc, 0xc6d569be, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a6690ae, 0xd09441bb, + 0x5471e2e6, 0xe61086bc, 0x50d86e6d, 0xc33aee27, 0x5a12e720, 0xce86ff2a, 0x553805f2, 0xe4a2eff6, + 0x4da1fab5, 0xc1eb0209, 0x5987b08a, 0xcc983f70, 0x55f104dc, 0xe3399167, 0x49ffd417, 0xc0f1360b, + 0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, 0x45f704f7, 0xc04ee4b8, 0x57cc15bc, 0xc91af976, + 0x573b2635, 0xe0745b24, 0x418d2621, 0xc004ef3f, 0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, + 0x3cc85709, 0xc013bc39, 0x553805f2, 0xc6250a18, 0x584f7b58, 0xddc29958, 0x37af354c, 0xc07b371e, + 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x51d1dc80, 0xc3bdbdf6, + 0x592d59da, 0xdb25f566, 0x2c9caf6c, 0xc2517e31, 0x4fd288dc, 0xc2c17d52, 0x5987b08a, 0xd9e01006, + 0x26b2a794, 0xc3bdbdf6, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xd8a00bae, 0x2092f05f, 0xc57d965d, + 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 0x1a4608ab, 0xc78e9a1d, 0x48b2b335, 0xc0b15502, + 0x5a43b190, 0xd6326a88, 0x13d4ae08, 0xc9edeb50, 0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, + 0x0d47d096, 0xcc983f70, 0x43103085, 0xc013bc39, 0x5a7b7f1a, 0xd3de9156, 0x06a886a0, 0xcf89e3e8, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x3cc85709, 0xc013bc39, + 0x5a7b7f1a, 0xd1a5ef90, 0xf9577960, 0xd6326a88, 0x396b3199, 0xc04ee4b8, 0x5a6690ae, 0xd09441bb, + 0xf2b82f6a, 0xd9e01006, 0x35eaa2c7, 0xc0b15502, 0x5a43b190, 0xcf89e3e8, 0xec2b51f8, 0xddc29958, + 0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, 0xe5b9f755, 0xe1d4a2c8, 0x2e88013a, 0xc1eb0209, + 0x59d438e5, 0xcd8bbb6d, 0xdf6d0fa1, 0xe61086bc, 0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, + 0xd94d586c, 0xea70658a, 0x26b2a794, 0xc3bdbdf6, 0x592d59da, 0xcbacb0bf, 0xd3635094, 0xeeee2d9d, + 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x1e7de5df, 0xc6250a18, + 0x584f7b58, 0xc9edeb50, 0xc850cab4, 0xf82a6c6a, 0x1a4608ab, 0xc78e9a1d, 0x57cc15bc, 0xc91af976, + 0xc337a8f7, 0xfcdc1342, 0x15fdf758, 0xc91af976, 0x573b2635, 0xc8507ea7, 0xbe72d9df, 0x0192155f, + 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 0xba08fb09, 0x0645e9af, 0x0d47d096, 0xcc983f70, + 0x55f104dc, 0xc6d569be, 0xb6002be9, 0x0af10a22, 0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, + 0xb25e054b, 0x0f8cfcbe, 0x0470ebdc, 0xd09441bb, 0x5471e2e6, 0xc57d965d, 0xaf279193, 0x14135c94, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xfb8f1424, 0xd5052d97, + 0x52beac9f, 0xc449d892, 0xaa0efb24, 0x1cc66e99, 0xf720e574, 0xd76619b6, 0x51d1dc80, 0xc3bdbdf6, + 0xa833ea44, 0x20e70f32, 0xf2b82f6a, 0xd9e01006, 0x50d86e6d, 0xc33aee27, 0xa6d2a626, 0x24da0a9a, + 0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, 0xa5ed18e0, 0x2899e64a, 0xea0208a8, 0xdf18f0ce, + 0x4ec05432, 0xc2517e31, 0xa58480e6, 0x2c216eaa, 0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, + 0xa5996f52, 0x2f6bbe45, 0xe1821a21, 0xe4a2eff6, 0x4c77a88e, 0xc18e18a7, 0xa62bc71b, 0x32744493, + 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 0xd94d586c, 0xea70658a, + 0x49ffd417, 0xc0f1360b, 0xa8c4d9cb, 0x37af8159, 0xd5558381, 0xed6bf9d1, 0x48b2b335, 0xc0b15502, + 0xaac7fa0e, 0x39daf5e8, 0xd177fec6, 0xf0730342, 0x475a5c77, 0xc07b371e, 0xad415361, 0x3bb6276e, + 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, 0xb02d7724, 0x3d3e82ae, 0xca155d39, 0xf69bf7c9, + 0x4488e37f, 0xc02c64a6, 0xb3885772, 0x3e71e759, 0xc694ce67, 0xf9ba1651, 0x43103085, 0xc013bc39, + 0xb74d4ccb, 0x3f4eaafe, 0xc337a8f7, 0xfcdc1342, 0x418d2621, 0xc004ef3f, 0xbb771c81, 0x3fd39b5a, +}; + +/* for reference, here's the code to generate the bitreverse tables + +static int bitrev(int n, int nbits) +{ + int r, i; + + r = 0; + for (i = 0; i < nbits; i++) { + r <<= 1; + r |= (n & 1); + n >>= 1; + } + + return r; +} + +static void InitBitrevTable(unsigned char *out, int nbits) +{ + int i, t; + + for (i = 0; i < (1< +#include "helix_types.h" +#include "rasl.h" + +/* + * The interleave table was created with the following properties: + * -equal contributions from each block + * -symmetric (if table[i] = j, then table[j] = i), allows in-place interleave + * -random spacing between lost frames, except + * -no double losses + * Solution was generated by a random-walk optimization loop. + * + */ +/* Loss patterns for a five-block solution: +...X..X....X.X.....X.X.X........X..........X...X.X....X........X..X..X..X....... +.X..X....X........X...X..X.....X.X........X...X....X...X..X......X....X.......X. +..X..X.X.........X..........X.X...X...X..X...X.......X.....X.X.....X......X.X... +..........X.X..X....X......X.X......X...X...X...X.X.....X.....X.X......X.X...... +X.......X.....X.X.......X.X........X.X.X............X....X..X.......X......X.X.X +*/ +/* +static int RASL_InterleaveTable[RASL_NFRAMES * RASL_NBLOCKS] = { + 66, 21, 43, 3, 23, 47, 6, 32, 72, 19, 49, 11, 54, 13, 69, 63, + 65, 42, 18, 9, 58, 1, 22, 4, 78, 25, 70, 51, 33, 55, 46, 31, + 7, 28, 34, 74, 61, 76, 38, 67, 59, 41, 17, 2, 53, 45, 30, 5, + 48, 10, 50, 27, 71, 44, 12, 29, 56, 73, 20, 40, 64, 36, 62, 15, + 60, 16, 0, 39, 68, 14, 26, 52, 8, 57, 35, 75, 37, 77, 24, 79 +}; +*/ + +/* Loss pattern for a six-block solution +....X.X....X..........X........X....X..X....X........X....X....X....X....X.......X....X...X..... +.X.....X..........X....X...X..X...X...........X...X...X..X...........X.X...X............X.....X. +..X.......X..X......X...X............X...X.....X........X..X.....X....X...X..........X.X....X... +X........X.....X.X........X..X..........X....X......X.......X.X.............X..X.........X...X.X +............X.X.X....X......X...X..X.......X....X............X..X.X.....X.....X.X..X............ +...X.X..X..........X.....X.......X....X...X......X.X...X...........X.........X....X.X......X.... +*/ +static const int RASL_InterleaveTable[RASL_NFRAMES * RASL_NBLOCKS] = { + 63, 22, 44, 90, 4, 81, 6, 31, 86, 58, 36, 11, 68, 39, 73, 53, + 69, 57, 18, 88, 34, 71, 1, 23, 46, 94, 54, 27, 75, 50, 30, 7, + 70, 92, 20, 74, 10, 37, 85, 13, 56, 41, 87, 65, 2, 59, 24, 47, + 79, 93, 29, 89, 52, 15, 26, 95, 40, 17, 9, 45, 60, 76, 62, 0, + 64, 43, 66, 83, 12, 16, 32, 21, 72, 14, 35, 28, 61, 80, 78, 48, + 77, 5, 82, 67, 84, 38, 8, 42, 19, 51, 3, 91, 33, 49, 25, 55 +}; + +/* + * DeInterleave operates in-place!. + * + * Entry: + * buf points to NCODEBYTES * NFRAMES * NBLOCKS bytes of interleaved data. + * If an input block is bad, flag[block] should be set. + * + * Exit: + * data in buf is deinterleaved. + * flags[block] stores a bit array for each output block, + * where (flags[block] & (1 << F)) is set if Fth frame is bad. + */ +void +RASL_DeInterleave(char *buf, unsigned long ulBufSize, int type, ULONG32 * pFlags) +{ + char temp[RASL_MAXCODEBYTES]; /* space for swapping */ /* Flawfinder: ignore */ + INT32 inFlags[RASL_NBLOCKS]; /* save input flags */ + int nCodeBytes, nCodeBits; + int fi, fo; /* frame in/out */ + int blk; + int bitOffsetTo, bitOffsetFrom; /* for bit maniputlations */ + char *toPtr, *fromPtr; /* for bit maniputlations */ + unsigned long ulToBufSize; + unsigned long ulFromBufSize; + + nCodeBits = 0; + if (type == 0) { + nCodeBits = RA65_NCODEBITS; + } + if (type == 1) { + nCodeBits = RA85_NCODEBITS; + } + if (type == 2) { + nCodeBits = RA50_NCODEBITS; + } + if (type == 3) { + nCodeBits = RA160_NCODEBITS; + } else { + // wrong nCodeBits + while (1) { + ; + } + } + + + /* Save input flags, and initialize output flags */ + if (pFlags) + for (blk = 0; blk < RASL_NBLOCKS; blk++) { + inFlags[blk] = pFlags[blk]; /* save input */ + pFlags[blk] = 0; /* init output to no error */ + } + + + if (nCodeBits % 8 == 0) { + nCodeBytes = nCodeBits >> 3; + for (fi = 0; fi < RASL_NFRAMES * RASL_NBLOCKS; fi++) { + + fo = RASL_InterleaveTable[fi]; /* frame to swap with */ + /* + * Note that when (fo == fi), the frame doesn't move, + * and if (fo < fi), we have swapped it already. + */ + if (fo > fi) { /* do the swap if needed */ + memcpy(temp, buf + fo * nCodeBytes, nCodeBytes); /* Flawfinder: ignore */ + memcpy(buf + fo * nCodeBytes, buf + fi * nCodeBytes, nCodeBytes); /* Flawfinder: ignore */ + memcpy(buf + fi * nCodeBytes, temp, nCodeBytes); /* Flawfinder: ignore */ + } + + /* + * If frame came from bad block, set bit corresponding to new position. + * Only check one of the swapped pair, since other will be done when + * fi gets there. + */ + if (pFlags && inFlags[RASL_BLOCK_NUM(fi)]) { + pFlags[RASL_BLOCK_NUM(fo)] |= (1 << RASL_BLOCK_OFF(fo)); + } + } + } else { + for (fi = 0; fi < RASL_NFRAMES * RASL_NBLOCKS; fi++) { + + fo = RASL_InterleaveTable[fi]; /* frame to swap with */ + /* + * Note that when (fo == fi), the frame doesn't move, + * and if (fo < fi), we have swapped it already. + */ + if (fo > fi) { /* do the swap if needed */ + toPtr = temp; + ulToBufSize = RASL_MAXCODEBYTES; + fromPtr = buf; + ulFromBufSize = ulBufSize; + bitOffsetTo = 0; + bitOffsetFrom = fo * nCodeBits; + ra_bitcopy((unsigned char *)toPtr, ulToBufSize, (unsigned char *)fromPtr, ulFromBufSize, bitOffsetTo, bitOffsetFrom, nCodeBits); + + toPtr = buf; + ulToBufSize = ulBufSize; + fromPtr = buf; + ulFromBufSize = ulBufSize; + bitOffsetTo = fo * nCodeBits; + bitOffsetFrom = fi * nCodeBits; + ra_bitcopy((unsigned char *)toPtr, ulToBufSize, (unsigned char *)fromPtr, ulFromBufSize, bitOffsetTo, bitOffsetFrom, nCodeBits); + + toPtr = buf; + ulToBufSize = ulBufSize; + fromPtr = temp; + ulFromBufSize = RASL_MAXCODEBYTES; + bitOffsetTo = fi * nCodeBits; + bitOffsetFrom = 0; + ra_bitcopy((unsigned char *)toPtr, ulToBufSize, (unsigned char *)fromPtr, ulFromBufSize, bitOffsetTo, bitOffsetFrom, nCodeBits); + } + + /* + * If frame came from bad block, set bit corresponding to new position. + * Only check one of the swapped pair, since other will be done when + * fi gets there. + */ + if (pFlags && inFlags[RASL_BLOCK_NUM(fi)]) { + pFlags[RASL_BLOCK_NUM(fo)] |= (1 << RASL_BLOCK_OFF(fo)); + } + } + } +} + +void ra_bitcopy(unsigned char* toPtr, + unsigned long ulToBufSize, + unsigned char* fromPtr, + unsigned long ulFromBufSize, + int bitOffsetTo, + int bitOffsetFrom, + int numBits) +{ + unsigned char* pToLimit = toPtr + ulToBufSize; + unsigned char* pFromLimit = fromPtr + ulFromBufSize; + int bofMod8, botMod8, nbMod8, eightMinusBotMod8, eightMinusBofMod8, i, iMax; + unsigned char rightInword, leftInword, *byteOffsetFrom, *byteOffsetTo, + alignWord, endWord; + unsigned char lmask[9] = {0, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff}; /* Flawfinder: ignore */ + unsigned char rmask[9] = {0, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff}; /* Flawfinder: ignore */ + + int nibbleAlignFrom, nibbleAlignTo, alignCase = 30; // special case variables + unsigned char mask[2] = {0x0f, 0xf0}; /* Flawfinder: ignore */ + + bofMod8 = bitOffsetFrom & 0x07; // same as %8 + botMod8 = bitOffsetTo & 0x07; + nbMod8 = numBits & 0x07; + eightMinusBofMod8 = 8 - bofMod8; // don't want these evaluated every loop + eightMinusBotMod8 = 8 - botMod8; + byteOffsetFrom = fromPtr + (bitOffsetFrom >> 3); + byteOffsetTo = toPtr + (bitOffsetTo >> 3); + iMax = (numBits >> 3) - 1; // last output byte not handled inside a loop + + if (numBits >> 3 == 0) + // quick and easy if we have fewer than 8 bits to align + + { + leftInword = *(byteOffsetFrom++); + rightInword = *(byteOffsetFrom); + alignWord = (leftInword >> bofMod8) + (rightInword << (eightMinusBofMod8)); + alignWord &= rmask[nbMod8]; + + if (nbMod8 >= eightMinusBotMod8) // have more extra input bits than + // free space in current output byte + { + *(byteOffsetTo) &= rmask[botMod8]; + *(byteOffsetTo++) += (alignWord << botMod8); + *(byteOffsetTo) = ((*byteOffsetTo) & lmask[8 - (nbMod8 - eightMinusBotMod8)]) + + (alignWord >> eightMinusBotMod8); + } + + else // have fewer input bits than free space in current output byte + // be careful not to overwrite extra bits already in output byte + { + endWord = *(byteOffsetTo) & lmask[8 - (nbMod8 + botMod8)]; + *(byteOffsetTo) &= rmask[botMod8]; + *(byteOffsetTo) += ((alignWord << botMod8) + endWord); + } + return; // finished, return to calling function + } + + if (bitOffsetFrom % 4 == 0 && bitOffsetTo % 4 == 0) + // byte-packing done here is optimized for the common case of nibble-alignment + + { + nibbleAlignFrom = (bitOffsetFrom & 0x04) >> 2; // 0 implies whole-byte alignment + nibbleAlignTo = (bitOffsetTo & 0x04) >> 2; // 1 implies half-byte alignment + + + if (nibbleAlignFrom == nibbleAlignTo) // either src and dest both byte-aligned + // or both half byte-aligned + if (nibbleAlignFrom == 0) { + alignCase = 0; + } else { + alignCase = 3; + } + + + if (nibbleAlignFrom != nibbleAlignTo) + if (nibbleAlignFrom == 0) { + alignCase = 1; // src aligned, dest half aligned + } else { + alignCase = 2; // src half aligned, dest aligned + } + + switch (alignCase) { + case 0: + for (i = 0; i < iMax; i++) { + *byteOffsetTo++ = *byteOffsetFrom++; // copy byte-by-byte directly + } + break; + + case 1: + for (i = 0; i < iMax; i++) { // move two nibbles from src to dest each loop + // shift bits as necessary + *byteOffsetTo = (*byteOffsetTo & mask[0]) + + ((*byteOffsetFrom & mask[0]) << 4); + *++byteOffsetTo = ((*byteOffsetFrom++ & mask[1]) >> 4); + } + break; + + case 2: + for (i = 0; i < iMax; i++) { // same as case 1, but shift other direction + *byteOffsetTo = ((*byteOffsetFrom & mask[1]) >> 4); + *byteOffsetTo++ += ((*++byteOffsetFrom & mask[0]) << 4); + } + break; + + case 3: { + *byteOffsetTo &= mask[0]; // align first nibble, thereafter this is + *byteOffsetTo += (*byteOffsetFrom & mask[1]); // just like case 0 + for (i = 0; i < iMax; i++) { + *++byteOffsetTo = *++byteOffsetFrom; // copy byte-by-byte directly + } + } + break; + } + } + + else + // this code can handle all source and destination buffer offsets + + { + // take the first 8 desired bits from the input buffer, store them + // in alignWord, then break up alignWord into two pieces to + // fit in the free space in two consecutive output buffer bytes + + for (i = 0; i < iMax; i++) { + leftInword = *(byteOffsetFrom++); + rightInword = *(byteOffsetFrom); + alignWord = (leftInword >> bofMod8) + (rightInword << (eightMinusBofMod8)); + *(byteOffsetTo) = (*(byteOffsetTo) & rmask[botMod8]) + + (alignWord << (botMod8)); + *(++byteOffsetTo) = alignWord >> (eightMinusBotMod8); + } + } + // special section to set last byte in fromBuf correctly + + // even if byte packing was done with the code optimized for nibble-alignment, + // the tricky job of setting the last output byte is still done here + + leftInword = *(byteOffsetFrom++); + rightInword = *(byteOffsetFrom); + alignWord = (leftInword >> bofMod8) + (rightInword << (eightMinusBofMod8)); + *(byteOffsetTo) = (*(byteOffsetTo) & rmask[botMod8]) + + (alignWord << (botMod8)); + + if (nbMod8 >= eightMinusBotMod8) { + *(++byteOffsetTo) = alignWord >> (eightMinusBotMod8); + + leftInword = *(byteOffsetFrom++); + rightInword = *(byteOffsetFrom); + alignWord = (leftInword >> bofMod8) + (rightInword << (eightMinusBofMod8)); + alignWord &= rmask[nbMod8]; + *(byteOffsetTo++) += (alignWord << botMod8); + if (byteOffsetTo >= toPtr && byteOffsetTo < pToLimit) { + *(byteOffsetTo) = ((*byteOffsetTo) & lmask[8 - (nbMod8 - eightMinusBotMod8)]) + + (alignWord >> eightMinusBotMod8); + } + } + + else { + endWord = *(++byteOffsetTo) & lmask[8 - (nbMod8 + botMod8)]; + *(byteOffsetTo) = alignWord >> (eightMinusBotMod8); + leftInword = *(byteOffsetFrom++); + rightInword = *(byteOffsetFrom); + alignWord = (leftInword >> bofMod8) + (rightInword << (eightMinusBofMod8)); + alignWord &= rmask[nbMod8]; + *(byteOffsetTo) += ((alignWord << botMod8) + endWord); + } + + +} + diff --git a/audio_codec/libcook/rasl.h b/audio_codec/libcook/rasl.h new file mode 100644 index 0000000..9eff866 --- a/dev/null +++ b/audio_codec/libcook/rasl.h @@ -0,0 +1,71 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rasl.h,v 1.1.1.1.2.1 2005/05/04 18:21:33 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RASL_H +#define RASL_H + +#include "helix_types.h" + +/* Must regenerate table if these are changed! */ +#define RA50_NCODEBYTES 18.5 /* bytes per 5.0kbps sl frame */ +#define RA65_NCODEBYTES 14.5 /* bytes per 6.5kbps sl frame */ +#define RA85_NCODEBYTES 19 /* bytes per 8.5kbps sl frame */ +#define RA160_NCODEBYTES 20 /* bytes per 16.0kbps sl frame */ + +#define RA50_NCODEBITS 148 /* bits per 5.0kbps sl frame */ +#define RA65_NCODEBITS 116 /* bits per 6.5kbps sl frame */ +#define RA85_NCODEBITS 152 /* bits per 8.5kbps sl frame */ +#define RA160_NCODEBITS 160 /* bits per 16.0kbps sl frame */ + +#define RASL_MAXCODEBYTES 20 /* max bytes per sl frame */ +#define RASL_NFRAMES 16 /* frames per block - must match codec */ +#define RASL_NBLOCKS 6 /* blocks to interleave across */ +#define RASL_BLOCK_NUM(i) ((i) >> 4) /* assumes RASL_NFRAMES = 16 */ +#define RASL_BLOCK_OFF(i) ((i) & 0xf) /* assumes RASL_NFRAMES = 16 */ + + +void RASL_DeInterleave(char *buf, unsigned long ulBufSize, int type, ULONG32 * pFlags); + +void ra_bitcopy(unsigned char* toPtr, + unsigned long ulToBufSize, + unsigned char* fromPtr, + unsigned long ulFromBufSize, + int bitOffsetTo, + int bitOffsetFrom, + int numBits); + +#endif /* #ifndef RASL_H */ diff --git a/audio_codec/libcook/rdtpck.h b/audio_codec/libcook/rdtpck.h new file mode 100644 index 0000000..68251cd --- a/dev/null +++ b/audio_codec/libcook/rdtpck.h @@ -0,0 +1,153 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rdtpck.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RDTPACKET_H +#define RDTPACKET_H + +#include +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" + +#ifdef __cplusplus +extern "C" { +#endif + + + /* + * + * Packet util functions and types + * + */ + +#define RDT_ASM_ACTION_PKT 0xFF00 +#define RDT_BW_REPORT_PKT 0xFF01 +#define RDT_ACK_PKT 0xFF02 +#define RDT_RTT_REQUEST_PKT 0xFF03 +#define RDT_RTT_RESPONSE_PKT 0xFF04 +#define RDT_CONGESTION_PKT 0xFF05 +#define RDT_STREAM_END_PKT 0xFF06 +#define RDT_REPORT_PKT 0xFF07 +#define RDT_LATENCY_REPORT_PKT 0xFF08 +#define RDT_TRANS_INFO_RQST_PKT 0xFF09 +#define RDT_TRANS_INFO_RESP_PKT 0xFF0A +#define RDT_BANDWIDTH_PROBE_PKT 0xFF0B + +#define RDT_DATA_PACKET 0xFFFE +#define RDT_UNKNOWN_TYPE 0xFFFF + + + + /* + * + * The tngpkt.h file included below is auto-generated from the master + * header file which contains the bit by bit definitions of the packet + * structures(tngpkt.pm). The structures defined in tngpkt.h are + * easier to use compared to the actual packet definitions in + * tngpkt.pm. tngpkt.h also includes pack and unpack functions that + * can convert these structures to and from the binary wire format of + * the different packet types. + * + */ +#include "tngpkt.h" + + + /* All seq numbers will be marked as lost [beg, end]. */ + /* Caller is responsible for free'ing the bit-field that is allocated + * ( "pkt->data.data"). + */ + void createNAKPacket(struct TNGACKPacket* pkt, + UINT16 unStreamNum, + UINT16 unBegSeqNum, + UINT16 unEndSeqNum + ); + + void createNAKPacketFromPool(struct TNGACKPacket* pkt, + UINT16 unStreamNum, + UINT16 unBegSeqNum, + UINT16 unEndSeqNum, + rm_malloc_func_ptr fpMalloc, + void* pMemoryPool + ); + + + + /* All seq numbers will be marked as received [beg, end]. The caller + * must free the 'pkt->data.data' malloc'ed memory. + */ + void createACKPacket(struct TNGACKPacket* pkt, + UINT16 unStreamNum, + UINT16 unBegSeqNum, + UINT16 unEndSeqNum + ); + + void createACKPacketFromPool(struct TNGACKPacket* pkt, + UINT16 unStreamNum, + UINT16 unBegSeqNum, + UINT16 unEndSeqNum, + rm_malloc_func_ptr fpMalloc, + void* pMemoryPool + ); + + /* + * Returns the packet type of the packet in the buffer that was just + * read off of the wire + */ + UINT16 GetRDTPacketType(UINT8* pBuf, UINT32 nLen); + + + + /* + * Marshalling inline funcs. + */ + + UINT8 getbyte(UINT8* data); + UINT16 getshort(UINT8* data); + INT32 getlong(UINT8* data); + void putbyte(UINT8* data, INT8 v); + void putshort(UINT8* data, UINT16 v); + void putlong(UINT8* data, UINT32 v); + UINT8* addbyte(UINT8* cp, UINT8 data); + UINT8* addshort(UINT8* cp, UINT16 data); + UINT8* addlong(UINT8* cp, UINT32 data); + UINT8* addstring(UINT8* cp, const UINT8* string, int len); + +#ifdef __cplusplus +} +#endif + +#endif /* RDTPACKET_H */ diff --git a/audio_codec/libcook/rm_error.h b/audio_codec/libcook/rm_error.h new file mode 100644 index 0000000..b052baf --- a/dev/null +++ b/audio_codec/libcook/rm_error.h @@ -0,0 +1,54 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_error.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_ERROR_H +#define RM_ERROR_H + +#include "helix_types.h" +#include "helix_result.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + typedef void (*rm_error_func_ptr)(void* pUserError, HX_RESULT err, const char* msg); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_ERROR_H */ diff --git a/audio_codec/libcook/rm_error_default.c b/audio_codec/libcook/rm_error_default.c new file mode 100644 index 0000000..096650d --- a/dev/null +++ b/audio_codec/libcook/rm_error_default.c @@ -0,0 +1,58 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_error_default.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +//#include "includes.h" +#include "rm_error.h" +#include "rm_error_default.h" + +void rm_error_default(void* pUserError, HX_RESULT err, const char* msg) +{ + if (msg) { +#if 0 + printk( + "rm_error_default(pUserError=0x%08x,err=0x%08x,msg=%s\n", + pUserError, err, msg); +#endif + } else { +#if 0 + printk( + "rm_error_default(pUserError=0x%08x,err=0x%08x\n", + pUserError, err); +#endif + } +} diff --git a/audio_codec/libcook/rm_error_default.h b/audio_codec/libcook/rm_error_default.h new file mode 100644 index 0000000..2d6da08 --- a/dev/null +++ b/audio_codec/libcook/rm_error_default.h @@ -0,0 +1,53 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_error_default.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_ERROR_DEFAULT_H +#define RM_ERROR_DEFAULT_H + +#include "helix_types.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + void rm_error_default(void* pUserError, HX_RESULT err, const char* msg); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_ERROR_DEFAULT_H */ diff --git a/audio_codec/libcook/rm_io_default.c b/audio_codec/libcook/rm_io_default.c new file mode 100644 index 0000000..b84f994 --- a/dev/null +++ b/audio_codec/libcook/rm_io_default.c @@ -0,0 +1,101 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_io_default.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +//#include "includes.h" +//#include "avtimer.h" +//#include "aw_windows.h" +//#include "datasrc.h" + +#include "helix_types.h" +#include "rm_io_default.h" +#include "rm_parse.h" + +UINT32 rm_io_default_read(void* pUserRead, BYTE* pBuf, UINT32 ulBytesToRead) +{ + UINT32 ulRet = 0; +#if 0 + if (pBuf && ulBytesToRead) { + /* For default, the void* is a FILE* */ + INT32 fp = (INT32) pUserRead; + /* Read the number of bytes requested */ + ulRet = (UINT32) read(fp, pBuf, ulBytesToRead); + } +#endif + return ulRet; +} + +void rm_io_default_seek(void* pUserRead, UINT32 ulOffset, UINT32 ulOrigin) +{ +#if 0 + { + /* For default, the void* is a FILE* */ + INT32 fp = (INT32) pUserRead; + /* Do the seek */ + lseek(fp, ulOffset, ulOrigin); + } +#endif +} + +UINT32 rm_io_datasrc_read(void* pUserRead, BYTE* pBuf, UINT32 ulBytesToRead) +{ + UINT32 ulRet = 0; +#if 0 + DataSrc_t *ds = (DataSrc_t*)pUserRead; + + if (ds && pBuf && ulBytesToRead) { + ulRet = DataSrcRead(ds, pBuf, ulBytesToRead); + } +#endif + return ulRet; +} + +void rm_io_datasrc_seek(void* pUserRead, UINT32 ulOffset, UINT32 ulOrigin) +{ +#if 0 + DataSrc_t *ds = (DataSrc_t*)pUserRead; + + if (ds) { + if (ulOrigin == HX_SEEK_ORIGIN_CUR) { + DataSrcSeek(ds, ulOffset, SEEK_CUR); + } else if (ulOrigin == HX_SEEK_ORIGIN_SET) { + DataSrcSeek(ds, ulOffset, SEEK_SET); + } else if (ulOrigin == HX_SEEK_ORIGIN_END) { + DataSrcSeek(ds, ulOffset, SEEK_END); + } + } +#endif +} diff --git a/audio_codec/libcook/rm_io_default.h b/audio_codec/libcook/rm_io_default.h new file mode 100644 index 0000000..d1e3323 --- a/dev/null +++ b/audio_codec/libcook/rm_io_default.h @@ -0,0 +1,49 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_io_default.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_IO_DEFAULT_H +#define RM_IO_DEFAULT_H + +#include "helix_types.h" +#include "helix_result.h" + +UINT32 rm_io_default_read(void* pUserRead, BYTE* pBuf, UINT32 ulBytesToRead); +void rm_io_default_seek(void* pUserRead, UINT32 ulOffset, UINT32 ulOrigin); +UINT32 rm_io_datasrc_read(void* pUserRead, BYTE* pBuf, UINT32 ulBytesToRead); +void rm_io_datasrc_seek(void* pUserRead, UINT32 ulOffset, UINT32 ulOrigin); + +#endif /* #ifndef RM_IO_DEFAULT_H */ diff --git a/audio_codec/libcook/rm_memory.h b/audio_codec/libcook/rm_memory.h new file mode 100644 index 0000000..81e2919 --- a/dev/null +++ b/audio_codec/libcook/rm_memory.h @@ -0,0 +1,54 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_memory.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_MEMORY_H +#define RM_MEMORY_H + +#include "helix_types.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + typedef void* (*rm_malloc_func_ptr)(void* pUserMem, UINT32 ulSize); + typedef void (*rm_free_func_ptr)(void* pUserMem, void* ptr); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_MEMORY_H */ diff --git a/audio_codec/libcook/rm_memory_default.c b/audio_codec/libcook/rm_memory_default.c new file mode 100644 index 0000000..742574e --- a/dev/null +++ b/audio_codec/libcook/rm_memory_default.c @@ -0,0 +1,54 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_memory_default.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +//#include "includes.h" +#include +#include +#include +#include +#include "rm_memory.h" +#include "rm_memory_default.h" + +void* rm_memory_default_malloc(void* pUserMem, UINT32 ulSize) +{ + return (void *)malloc(ulSize); +} + +void rm_memory_default_free(void* pUserMem, void* ptr) +{ + free(ptr); +} diff --git a/audio_codec/libcook/rm_memory_default.h b/audio_codec/libcook/rm_memory_default.h new file mode 100644 index 0000000..297e441 --- a/dev/null +++ b/audio_codec/libcook/rm_memory_default.h @@ -0,0 +1,46 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_memory_default.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_MEMORY_DEFAULT_H +#define RM_MEMORY_DEFAULT_H + +#include "helix_types.h" + +void* rm_memory_default_malloc(void* pUserMem, UINT32 ulSize); +void rm_memory_default_free(void* pUserMem, void* ptr); + +#endif /* RM_MEMORY_DEFAULT_H */ diff --git a/audio_codec/libcook/rm_packet.c b/audio_codec/libcook/rm_packet.c new file mode 100644 index 0000000..47f172a --- a/dev/null +++ b/audio_codec/libcook/rm_packet.c @@ -0,0 +1,117 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_packet.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include "helix_types.h" +#include "rm_packet.h" + +UINT32 rm_packet_get_timestamp(rm_packet* packet) +{ + UINT32 ulRet = 0; + + if (packet) { + ulRet = packet->ulTime; + } + + return ulRet; +} + +UINT32 rm_packet_get_stream_number(rm_packet* packet) +{ + UINT32 ulRet = 0; + + if (packet) { + ulRet = packet->usStream; + } + + return ulRet; +} + +UINT32 rm_packet_get_asm_flags(rm_packet* packet) +{ + UINT32 ulRet = 0; + + if (packet) { + ulRet = packet->usASMFlags; + } + + return ulRet; +} + +UINT32 rm_packet_get_asm_rule_number(rm_packet* packet) +{ + UINT32 ulRet = 0; + + if (packet) { + ulRet = packet->ucASMRule; + } + + return ulRet; +} + +UINT32 rm_packet_get_data_length(rm_packet* packet) +{ + UINT32 ulRet = 0; + + if (packet) { + ulRet = packet->usDataLen; + } + + return ulRet; +} + +BYTE* rm_packet_get_data(rm_packet* packet) +{ + BYTE* pRet = HXNULL; + + if (packet) { + pRet = packet->pData; + } + + return pRet; +} + +HXBOOL rm_packet_is_lost(rm_packet* packet) +{ + HXBOOL bRet = FALSE; + + if (packet) { + bRet = (packet->ucLost ? TRUE : FALSE); + } + + return bRet; +} + diff --git a/audio_codec/libcook/rm_packet.h b/audio_codec/libcook/rm_packet.h new file mode 100644 index 0000000..e9c47ee --- a/dev/null +++ b/audio_codec/libcook/rm_packet.h @@ -0,0 +1,80 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_packet.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_PACKET_H +#define RM_PACKET_H + +#include "helix_types.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* + * Packet struct + * + * Users are strongly encouraged to use the + * accessor functions below to retrieve information + * from the packet, since the definition of this + * struct may change in the future. + */ + typedef struct rm_packet_struct { + UINT32 ulTime; + UINT16 usStream; + UINT16 usASMFlags; + BYTE ucASMRule; + BYTE ucLost; + UINT16 usDataLen; + BYTE* pData; + } rm_packet; + + /* + * Packet Accessor functions + */ + UINT32 rm_packet_get_timestamp(rm_packet* packet); + UINT32 rm_packet_get_stream_number(rm_packet* packet); + UINT32 rm_packet_get_asm_flags(rm_packet* packet); + UINT32 rm_packet_get_asm_rule_number(rm_packet* packet); + UINT32 rm_packet_get_data_length(rm_packet* packet); + BYTE* rm_packet_get_data(rm_packet* packet); + HXBOOL rm_packet_is_lost(rm_packet* packet); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_PACKET_H */ diff --git a/audio_codec/libcook/rm_parse.h b/audio_codec/libcook/rm_parse.h new file mode 100644 index 0000000..6bec67b --- a/dev/null +++ b/audio_codec/libcook/rm_parse.h @@ -0,0 +1,302 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_parse.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_PARSE_H +#define RM_PARSE_H + +#include +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "rm_error.h" +#include "rm_property.h" +#include "rm_stream.h" +#include "rm_packet.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* + * Seek origin definitions - these are + * exactly the same as the respective + * definitions in + */ +#define HX_SEEK_ORIGIN_SET 0 +#define HX_SEEK_ORIGIN_CUR 1 +#define HX_SEEK_ORIGIN_END 2 + + /* Function pointer definitions */ + typedef UINT32(*rm_read_func_ptr)(void* pUserRead, + BYTE* pBuf, /* Must be at least ulBytesToRead long */ + UINT32 ulBytesToRead); + typedef void (*rm_seek_func_ptr)(void* pUserRead, + UINT32 ulOffset, + UINT32 ulOrigin); + + /* + * rm_parser definition. This is opaque to the user. + */ + typedef void rm_parser; + + /* + * rm_parser_is_rm_file() + * + * Function which examines pBuf[0] up through pBuf[ulSize-1] and + * tries to determine if the buffer contains the beginning of an .rm file + */ + HXBOOL rm_parser_is_rm_file(BYTE* pBuf, UINT32 ulSize); + + /* + * rm_parser_create + * + * This creates an rm_parser object. The user may provide an + * optional error reporting function as well as a void* + * which will be passed into fpError. If fpError is NULL, then + * the parser will not print out any error messages by default + * and the user will have to interpret the error by the + * return value. + */ + rm_parser* rm_parser_create(void* pError, + rm_error_func_ptr fpError); + + /* + * rm_parser_create2 + * + * This creates an rm_parser object, using custom memory + * allocation and free functions that the user provides. + * If fpMalloc or fpFree are NULL, then the default + * allocation and free functions will be used. + */ + rm_parser* rm_parser_create2(void* pError, + rm_error_func_ptr fpError, + void* pMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* + * rm_parser_init_stdio + * + * Users would call this is they wanted to use stdio. This file + * would need to already be fopen()'d and would need to be fclose()'d + * after the library was finished. The parsing library would only + * call fread(), fseek(), and perhaps ftell() on it. + */ + HX_RESULT rm_parser_init_stdio(rm_parser* pParser, + FILE* fp); + + /* + * rm_parser_init_io + * + * If the user didn't want to use stdio, they would call + * this function to set up their own I/O. + */ + HX_RESULT rm_parser_init_io(rm_parser* pParser, + void* pUserRead, + rm_read_func_ptr fpRead, + rm_seek_func_ptr fpSeek); + + /* + * rm_parser_read_headers + * + * This function reads all the headers at the beginning + * of an .rm file. After this function is called, + * then the rm_get_xxx accessor functions can be + * called to get information about the file as a whole. + */ + HX_RESULT rm_parser_read_headers(rm_parser* pParser); + + /* + * File Info Accessor functions + * + * The most commonly-used properties of an .rm file can + * be accessed via the rm_parser_get_xxx accessor functions + * below. These functions return information about the .rm file as + * a whole, as opposed to stream header properties, which give + * information about a particular stream (i.e. - audio stream + * or video stream). + * + * For the title meta-data, the user can determine if this information + * is present by calling rm_parser_get_title_length(). This length + * is the length in bytes of the string INCLUDING the null + * terminator. If the title meta-data IS present, then the user + * can get read-only access to the title by calling rm_parser_get_title(). + * The user must not alter the memory that is returned; otherwise undefined + * behavior will result. + * + * The same applies for author, copyright, and comment meta-data. + */ + UINT32 rm_parser_get_max_bit_rate(rm_parser* pParser); + UINT32 rm_parser_get_avg_bit_rate(rm_parser* pParser); + UINT32 rm_parser_get_max_packet_size(rm_parser* pParser); + UINT32 rm_parser_get_avg_packet_size(rm_parser* pParser); + UINT32 rm_parser_get_num_packets(rm_parser* pParser); + UINT32 rm_parser_get_duration(rm_parser* pParser); + UINT32 rm_parser_get_preroll(rm_parser* pParser); + const char* rm_parser_get_title(rm_parser* pParser); + const char* rm_parser_get_author(rm_parser* pParser); + const char* rm_parser_get_copyright(rm_parser* pParser); + const char* rm_parser_get_comment(rm_parser* pParser); + UINT32 rm_parser_get_num_streams(rm_parser* pParser); + UINT32 rm_parser_get_stream_number(rm_parser* pParser, UINT32 ulStreamNum); + + /* + * General file property accessors + * + * The most commonly-used properties of an .rm file + * can be obtained with the rm_parser_get_xxx accessors above. + * Alternatively, all of the file-level properties may + * be obtained as an array of rm_property structs. This + * array will include all of the common-used properties + * above as well as any other properties that may be + * present in the file. + */ + HX_RESULT rm_parser_get_file_properties(rm_parser* pParser, + rm_property** ppProp, + UINT32* pulNumProps); + + /* + * This function destroys an array of properties created + * by either rm_parser_get_file_properties or + * by rm_parser_get_stream_properties. + */ + void rm_parser_destroy_properties(rm_parser* pParser, + rm_property** ppProp, + UINT32* pulNumProps); + + /* + * rm_parser_get_stream_header + * + * This retrieves a stream header from the file. The number + * of stream headers in the file can be found by calling + * rm_get_num_streams(). Stream header properties may + * be obtained by using the accessor functions found + * in rm_stream.h. These accessors cover the most + * commonly used properties. The entire set of properties + * may be retrieved using rm_parser_get_stream_properties(). + */ + HX_RESULT rm_parser_get_stream_header(rm_parser* pParser, + UINT32 ulStreamNum, + rm_stream_header** ppHdr); + + /* + * rm_parser_destroy_stream_header + * + * This function frees any memory associated with + * a stream header obtained by calling rm_parser_get_stream_header(). + */ + void rm_parser_destroy_stream_header(rm_parser* pParser, + rm_stream_header** ppHdr); + + /* + * rm_parser_get_packet + * + * After the headers had been read, the user can repeatedly + * call this function to retrieve packets from the .rm file. + */ + HX_RESULT rm_parser_get_packet(rm_parser* pParser, + rm_packet** ppPacket); + + /* + * rm_parser_destroy_packet + * + * This is called to clean up packets created by + * calls to rm_parser_get_packet(). + */ + void rm_parser_destroy_packet(rm_parser* pParser, + rm_packet** ppPacket); + + /* + * rm_parser_seek + * + * The user can call this function to seek to a + * certain time in the .rm file + */ + HX_RESULT rm_parser_seek(rm_parser* pParser, + UINT32 ulTime); + + /* + * rm_parser_seek + * + * The user can call this function to seek to a + * certain offset in the .rm file + */ + void rm_parser_file_seek(rm_parser* pParser, UINT32 ulOffset); + + /* + * rm_parser_skip + * + * The user can call this function to skip to a + * certain offset from current position + */ + void rm_parser_file_skip(rm_parser* pParser, UINT32 ulOffset); + + /* + * rm_parser_build_seek_table + * + * The user can call this function to build a seek table + * by index in the .rm file + */ + HX_RESULT rm_parser_build_seek_table(rm_parser* pParser); + + /* + * rm_parser_seek_in_seek_table + * + * The user can call this function to seek in the seek table + * to find a certain time in the .rm file + */ + HX_RESULT rm_parser_seek_in_seek_table(rm_parser* pParser, INT32 lStreamNumber, UINT32 ulSeekTime, INT32 lDirection, UINT32* pulFoundTime, UINT32* pulDataOffset, UINT32* pulIndex); + + /* + * rm_parser_destroy + * + * The user calls this to clean up + */ + void rm_parser_destroy(rm_parser** ppParser); + + UINT32 rm_parser_get_data_size(rm_parser* pParser); + UINT32 rm_parser_get_data_offset(rm_parser* pParser); + UINT32 rm_parser_get_index_offset(rm_parser* pParser); + void rm_parser_set_index_offset(rm_parser* pParser, UINT32 offset); + void rm_parser_set_stream(rm_parser** ppParser, UINT32 ulStreamNum); + void rm_parser_set_stream_size(rm_parser* pParser, UINT32 ulStreamSize); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_PARSE_H */ diff --git a/audio_codec/libcook/rm_parser.c b/audio_codec/libcook/rm_parser.c new file mode 100644 index 0000000..67a3982 --- a/dev/null +++ b/audio_codec/libcook/rm_parser.c @@ -0,0 +1,649 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_parser.c,v 1.1.1.1.2.1 2005/05/04 18:21:36 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include +#include "helix_types.h" +#include "helix_result.h" +#include "rm_parse.h" +#include "rm_parser_internal.h" +#include "rm_memory_default.h" +#include "rm_error_default.h" +#include "rm_io_default.h" +#include "memory_utils.h" +#include "pack_utils.h" + +/* + * We will create a buffer of this size to handle + * reading of headers. The buffer will get increased + * in size if we encounter a header bigger than this + * size. Therefore, we would like to pick a reasonable + * size so that the we don't have lots of little + * allocations. This size should be the maximum + * of the expected size of the headers in the .rm file. + * + * XXXMEH - run lots of .rm files to see what a good + * size to pick. + */ +#define RM_PARSER_INITIAL_READ_BUFFER_SIZE 256 + +HXBOOL rm_parser_is_rm_file(BYTE* pBuf, UINT32 ulSize) +{ + HXBOOL bRet = FALSE; + + /* Look for magic number ".RMF" at the beginning */ + if (ulSize >= 4) { + UINT32 ulID = rm_unpack32(&pBuf, &ulSize); + if (ulID == RM_HEADER_OBJECT) { + bRet = TRUE; + } + } + + return bRet; +} + +rm_parser* rm_parser_create(void* pError, + rm_error_func_ptr fpError) +{ + return rm_parser_create2(pError, + fpError, + HXNULL, + rm_memory_default_malloc, + rm_memory_default_free); +} + +rm_parser* rm_parser_create2(void* pError, + rm_error_func_ptr fpError, + void* pMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + rm_parser* pRet = HXNULL; + + if (fpMalloc) { + /* Allocate space for the rm_parser_internal struct + * by using the passed-in malloc function + */ + rm_parser_internal* pInt = (rm_parser_internal*) fpMalloc(pMem, sizeof(rm_parser_internal)); + if (pInt) { + /* Zero out the struct */ + memset((void*) pInt, 0, sizeof(rm_parser_internal)); + /* + * Assign the error members. If the user did not + * provide an error callback, then use the default + * rm_error_default(). + */ + if (fpError) { + pInt->fpError = fpError; + pInt->pUserError = pError; + } else { + pInt->fpError = rm_error_default; + pInt->pUserError = HXNULL; + } + /* Assign the memory functions */ + pInt->fpMalloc = fpMalloc; + pInt->fpFree = fpFree; + pInt->pUserMem = pMem; + /* Assign the return value */ + pRet = (rm_parser*) pInt; + } + } + + return pRet; +} + +HX_RESULT rm_parser_init_stdio(rm_parser* pParser, + FILE* fp) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser && fp) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Assign the default io functions */ + pInt->fpRead = rm_io_default_read; + pInt->fpSeek = rm_io_default_seek; + pInt->pUserRead = (void*) fp; + /* Clear the return value */ + retVal = HXR_OK; + } + + return retVal; +} + +HX_RESULT rm_parser_init_io(rm_parser* pParser, + void* pUserRead, + rm_read_func_ptr fpRead, + rm_seek_func_ptr fpSeek) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser && fpRead && fpSeek) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Assign the default io functions */ + pInt->fpRead = fpRead; + pInt->fpSeek = fpSeek; + pInt->pUserRead = pUserRead; + /* Clear the return value */ + retVal = HXR_OK; + } + + return retVal; +} + +HX_RESULT rm_parser_read_headers(rm_parser* pParser) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Clear the return value */ + retVal = HXR_OK; + /* Allocate the read buffer if necessary */ + if (!pInt->pReadBuffer) { + retVal = rm_enforce_buffer_min_size(pInt->pUserMem, + pInt->fpMalloc, + pInt->fpFree, + &pInt->pReadBuffer, + &pInt->ulReadBufferSize, + RM_PARSER_INITIAL_READ_BUFFER_SIZE); + if (retVal == HXR_OK) { + /* Set the number of bytes read to zero */ + pInt->ulNumBytesRead = 0; + } + } + if (retVal == HXR_OK) { + retVal = rm_parseri_read_all_headers(pInt); + } + } + + return retVal; +} + + +UINT32 rm_parser_get_max_bit_rate(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.max_bit_rate; + } + + return ulRet; +} + +UINT32 rm_parser_get_avg_bit_rate(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.avg_bit_rate; + } + + return ulRet; +} + +UINT32 rm_parser_get_max_packet_size(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.max_pkt_size; + } + + return ulRet; +} + +UINT32 rm_parser_get_avg_packet_size(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.avg_pkt_size; + } + + return ulRet; +} + +UINT32 rm_parser_get_num_packets(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.num_pkts; + } + + return ulRet; +} + +UINT32 rm_parser_get_duration(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.duration; + } + + return ulRet; +} + +UINT32 rm_parser_get_preroll(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.preroll; + } + + return ulRet; +} + +void rm_parser_set_index_offset(rm_parser* pParser, UINT32 offset) +{ + UINT32 ulRet = 0; + + if (pParser) { + ((rm_parser_internal*) pParser)->propHdr.index_offset = offset; + } +} + +UINT32 rm_parser_get_index_offset(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.index_offset; + } + + return ulRet; +} + +UINT32 rm_parser_get_data_offset(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.data_offset; + } + + return ulRet; +} + +UINT32 rm_parser_get_data_size(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->pDataHdr[0].size; + } + + return ulRet; +} + +const char* rm_parser_get_title(rm_parser* pParser) +{ + const char* pRet = HXNULL; + + if (pParser) { + pRet = (const char*)((rm_parser_internal*) pParser)->contHdr.title; + } + + return pRet; +} + +const char* rm_parser_get_author(rm_parser* pParser) +{ + const char* pRet = HXNULL; + + if (pParser) { + pRet = (const char*)((rm_parser_internal*) pParser)->contHdr.author; + } + + return pRet; +} + +const char* rm_parser_get_copyright(rm_parser* pParser) +{ + const char* pRet = HXNULL; + + if (pParser) { + pRet = (const char*)((rm_parser_internal*) pParser)->contHdr.copyright; + } + + return pRet; +} + +const char* rm_parser_get_comment(rm_parser* pParser) +{ + const char* pRet = HXNULL; + + if (pParser) { + pRet = (const char*)((rm_parser_internal*) pParser)->contHdr.comment; + } + + return pRet; +} + +UINT32 rm_parser_get_num_streams(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->ulNumStreams; + } + + return ulRet; +} + +UINT32 rm_parser_get_stream_number(rm_parser* pParser, UINT32 ulStreamNum) +{ + UINT32 ulRet = 0xffffffff; + + if (pParser) { + ulRet = rm_parseri_get_stream_number((rm_parser_internal*) pParser, ulStreamNum); + } + return ulRet; +} + +void rm_parser_set_stream_size(rm_parser* pParser, UINT32 ulStreamSize) +{ + if (pParser) { + rm_parseri_set_stream_size((rm_parser_internal*) pParser, ulStreamSize); + } +} + +HX_RESULT rm_parser_get_file_properties(rm_parser* pParser, + rm_property** ppProp, + UINT32* pulNumProps) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser && ppProp && pulNumProps) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + if (pInt->fpMalloc && pInt->fpFree) { + /* Get the number of file properties */ + UINT32 ulNum = rm_parseri_get_num_file_properties(pInt); + if (ulNum) { + /* Compute the size of the rm_property array */ + UINT32 ulSize = ulNum * sizeof(rm_property); + /* Allocate an array of this size */ + rm_property* pPropArr = pInt->fpMalloc(pInt->pUserMem, ulSize); + if (pPropArr) { + /* NULL out the memory */ + memset(pPropArr, 0, ulSize); + /* Collect the properties */ + retVal = rm_parseri_get_file_properties(pInt, pPropArr, ulNum); + if (retVal == HXR_OK) { + /* Assign the out parameters */ + *ppProp = pPropArr; + *pulNumProps = ulNum; + } else { + /* Free the array */ + pInt->fpFree(pInt->pUserMem, pPropArr); + } + } + } + } + } + + return retVal; +} + +void rm_parser_destroy_properties(rm_parser* pParser, + rm_property** ppProp, + UINT32* pulNumProps) +{ + if (pParser && ppProp && pulNumProps && *ppProp && *pulNumProps) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + if (pInt->fpFree) { + /* Get the pointer to the array */ + rm_property* pProp = *ppProp; + /* Clean up the properties */ + UINT32 i = 0; + for (i = 0; i < *pulNumProps; i++) { + rm_parseri_cleanup_rm_property(pInt, &pProp[i]); + } + /* Free the memory */ + pInt->fpFree(pInt->pUserMem, pProp); + /* NULL out the pointer */ + *ppProp = HXNULL; + /* Zero out the number of properties */ + *pulNumProps = 0; + } + } +} + +HX_RESULT rm_parser_get_stream_header(rm_parser* pParser, + UINT32 ulStreamNum, + rm_stream_header** ppHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser && ppHdr) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + if (pInt->fpMalloc) { + rm_stream_header* pHdr = (rm_stream_header*) pInt->fpMalloc(pInt->pUserMem, + sizeof(rm_stream_header)); + if (pHdr) { + /* NULL out the memory */ + memset(pHdr, 0, sizeof(rm_stream_header)); + /* Copy the stream header */ + retVal = rm_parseri_copy_stream_header(pInt, ulStreamNum, pHdr); + if (retVal == HXR_OK) { + /* Assign the out parameter */ + *ppHdr = pHdr; + } else { + /* Clean up the stream header */ + rm_parseri_cleanup_stream_header(pInt, pHdr); + /* Free the memory we allocated */ + pInt->fpFree(pInt->pUserMem, pHdr); + } + } + } + } + + return retVal; +} + +void rm_parser_destroy_stream_header(rm_parser* pParser, + rm_stream_header** ppHdr) +{ + if (pParser && ppHdr && *ppHdr) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Cleanup the stream header */ + rm_parseri_cleanup_stream_header(pInt, *ppHdr); + /* Free the memory associated with this header */ + pInt->fpFree(pInt->pUserMem, *ppHdr); + /* NULL out the pointer */ + *ppHdr = HXNULL; + } +} + +HX_RESULT rm_parser_get_packet(rm_parser* pParser, + rm_packet** ppPacket) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser && ppPacket) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Read the next packet */ + retVal = rm_parseri_read_next_packet(pInt, ppPacket); + } + + return retVal; +} + +void rm_parser_destroy_packet(rm_parser* pParser, + rm_packet** ppPacket) +{ + if (pParser && ppPacket && *ppPacket) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + if (pInt->fpFree) { + /* Free the packet data */ + if ((*ppPacket)->pData) { + pInt->fpFree(pInt->pUserMem, (*ppPacket)->pData); + (*ppPacket)->pData = HXNULL; + } + /* Free the packet */ + pInt->fpFree(pInt->pUserMem, *ppPacket); + *ppPacket = HXNULL; + } + } +} + +HX_RESULT rm_parser_seek(rm_parser* pParser, + UINT32 ulTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Read the next packet */ + retVal = rm_parseri_seek(pInt, ulTime); + } + + return retVal; +} + +HX_RESULT rm_parser_build_seek_table(rm_parser* pParser) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Read the next packet */ + retVal = rm_parseri_build_seek_table(pInt); + } + + return retVal; +} + +HX_RESULT rm_parser_seek_in_seek_table(rm_parser* pParser, INT32 lStreamNumber, UINT32 ulSeekTime, INT32 lDirection, UINT32* pulFoundTime, UINT32* pulDataOffset, UINT32* pulIndex) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Read the next packet */ + retVal = rm_parseri_search_seek_tables(pInt, lStreamNumber, ulSeekTime, lDirection, pulFoundTime, pulDataOffset, pulIndex); + } + + return retVal; +} + +void rm_parser_file_seek(rm_parser* pParser, UINT32 ulOffset) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Read the next packet */ + rm_parseri_file_seek(pInt, ulOffset, HX_SEEK_ORIGIN_SET); + } +} + +void rm_parser_file_skip(rm_parser* pParser, UINT32 ulOffset) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Read the next packet */ + rm_parseri_file_seek(pInt, ulOffset, HX_SEEK_ORIGIN_CUR); + } +} + +void rm_parser_destroy(rm_parser** ppParser) +{ + if (ppParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) * ppParser; + if (pInt && pInt->fpFree) { + /* Save a pointer to fpFree and pUserMem */ + rm_free_func_ptr fpFree = pInt->fpFree; + void* pUserMem = pInt->pUserMem; + /* Clean up the content header */ + rm_parseri_cleanup_content_hdr(pInt); + /* Clean up the media props headers */ + rm_parseri_cleanup_all_media_props_hdrs(pInt); + /* Clean up all logical stream headers */ + rm_parseri_cleanup_all_logical_stream_hdrs(pInt); + /* Clean up the logical fileinfo header */ + rm_parseri_cleanup_logical_fileinfo_hdr(pInt); + //rm_parseri_cleanup_logical_stream_hdr(pInt, pInt->pLogicalFileInfo); + /* Clean up the read buffer */ + rm_parseri_cleanup_read_buffer(pInt); + /* Free the stream num map */ + rm_parseri_cleanup_stream_num_map(pInt); + /* Clean up the stream info array */ + rm_parseri_cleanup_stream_info_array(pInt); + /* Clean up the stream header array */ + rm_parseri_cleanup_all_stream_headers(pInt); + /* Clean up the data header */ + rm_parseri_cleanup_all_data_headers(pInt); + /* Null everything out */ + memset(pInt, 0, sizeof(rm_parser_internal)); + /* Free the rm_parser_internal struct memory */ + fpFree(pUserMem, pInt); + /* NULL out the pointer */ + *ppParser = HXNULL; + } + } +} + +void rm_parser_set_stream(rm_parser** ppParser, UINT32 ulStreamNum) +{ + if (ppParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) * ppParser; + pInt->ulCurrentStream = ulStreamNum; + rm_parseri_file_seek(pInt, pInt->pMediaPropsHdr[pInt->ulCurrentStream].start_offset, HX_SEEK_ORIGIN_SET); + } +} \ No newline at end of file diff --git a/audio_codec/libcook/rm_parser_internal.c b/audio_codec/libcook/rm_parser_internal.c new file mode 100644 index 0000000..e492864 --- a/dev/null +++ b/audio_codec/libcook/rm_parser_internal.c @@ -0,0 +1,3342 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_parser_internal.c,v 1.2.2.1 2005/05/04 18:21:36 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include +#include +#include +//#include "includes.h" +//#include "ioapi.h" +//#include "datasrc.h" +#include "helix_types.h" +#include "helix_result.h" +#include "helix_utils.h" +#include "rm_parser_internal.h" +#include "rm_memory_default.h" +#include "memory_utils.h" +#include "pack_utils.h" +#include "string_utils.h" +#include "rm_stream.h" +#include "packet_defines.h" +#include "rv_format_info.h" + +#define RM_PARSER_LOGICAL_PREFIX "logical-" +#define RM_PARSER_LOGICAL_FILEINFO "logical-fileinfo" +#define RM_PARSER_NUM_RULE_BOOKS 9 +#define RM_PARSER_RULE_BOOK_BUFFER_SIZE 320 /* Big enough for format string and args */ + +#define RM_PARSER_LOGICAL_MULTIRATE_VIDEO "logical-video/x-pn-multirate-realvideo" +#define RM_PARSER_LOGICAL_MULTIRATE_AUDIO "logical-audio/x-pn-multirate-realaudio" + +static const char* g_pszRuleBook[] = { + /* VBR Real streams when max_bit_rate != 0 */ + "priority=%lu,AverageBandwidth=%lu,MaximumBandwidth=%lu," + "TimeStampDelivery=TRUE,PNMKeyFrameRule=T;" + "OnDepend=\"0\",priority=%lu,AverageBandwidth=0,MaximumBandwidth=0," + "TimeStampDelivery=TRUE,PNMNonKeyFrameRule=T;", + /* VBR Real streams when max_bit_rate == 0 */ + "priority=%lu,AverageBandwidth=%lu,TimeStampDelivery=TRUE,PNMKeyFrameRule=T;" + "OnDepend=\"0\",priority=%lu,AverageBandwidth=0,TimeStampDelivery=TRUE,PNMNonKeyFrameRule=T;", + /* Non-real-datatype VBR streams when max_bit_rate != 0 */ + "Marker=0,AverageBandwidth=%lu,MaximumBandwidth=%lu,TimeStampDelivery=TRUE;" + "Marker=1,AverageBandwidth=0,MaximumBandwidth=0,TimeStampDelivery=TRUE;", + /* Non-real-datatype VBR streams when max_bit_rate == 0 && avg_bit_rate != 0 */ + "Marker=0,AverageBandwidth=%lu,TimeStampDelivery=TRUE;" + "Marker=1,AverageBandwidth=0,TimeStampDelivery=TRUE;", + /* Non-real-datatype VBR streams when max_bit_rate == 0 && avg_bit_rate == 0 */ + "Marker=0,TimeStampDelivery=TRUE;" + "Marker=1,TimeStampDelivery=TRUE;", + /* CBR RealVideo */ + "#($Bandwidth >= %lu),priority=9,averagebandwidth=%lu,PNMKeyFrameRule=T;" + "#($Bandwidth >= %lu),OnDepend=\"0\",priority=5,averagebandwidth=0,PNMNonKeyFrameRule=T;" + "#($Bandwidth < %lu),priority=9,timestampdelivery=T,DropByN=T,PNMThinningRule=T;", + /* RealEvent streams */ + "TimeStampDelivery=T,priority=10,PNMKeyFrameRule=T;" + "TimeStampDelivery=T,priority=10,PNMNonKeyFrameRule=T;", + /* CBR RealAudio streams */ + "priority=5,averagebandwidth=%lu,PNMKeyFrameRule=T;" + "priority=5,averagebandwidth=0,PNMNonKeyFrameRule=T,OnDepend=\"0\",OffDepend=\"0\";", + /* CBR non-real-datatype streams */ + "Marker=0,priority=5,averagebandwidth=%lu;" + "Marker=1,priority=5,averagebandwidth=0;" +}; + +HX_RESULT rm_parseri_unpack_generic_hdr(rm_parser_internal* pInt, struct rm_generic_hdr* h) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && h) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= 10) { + /* Unpack the rm_generic_hdr */ + h->id = rm_unpack32(&pBuf, &ulLen); + h->size = rm_unpack32(&pBuf, &ulLen); + h->version = rm_unpack16(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + + +HX_RESULT rm_parseri_unpack_file_hdr(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= 18) { + /* Unpack the rm_file_hdr */ + pInt->fileHdr.id = rm_unpack32(&pBuf, &ulLen); + pInt->fileHdr.size = rm_unpack32(&pBuf, &ulLen); + pInt->fileHdr.version = rm_unpack16(&pBuf, &ulLen); + pInt->fileHdr.file_version = rm_unpack32(&pBuf, &ulLen); + pInt->fileHdr.num_headers = rm_unpack32(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } else if (ulLen == 16) { + /* Unpack the rm_file_hdr */ + pInt->fileHdr.id = rm_unpack32(&pBuf, &ulLen); + pInt->fileHdr.size = rm_unpack32(&pBuf, &ulLen); + pInt->fileHdr.version = rm_unpack16(&pBuf, &ulLen); + if (pInt->fileHdr.version == 0) { + pInt->fileHdr.file_version = rm_unpack16(&pBuf, &ulLen); + pInt->fileHdr.num_headers = rm_unpack32(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_properties_hdr(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= 50) { + /* Unpack the rm_properties_hdr */ + pInt->propHdr.id = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.size = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.version = rm_unpack16(&pBuf, &ulLen); + pInt->propHdr.max_bit_rate = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.avg_bit_rate = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.max_pkt_size = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.avg_pkt_size = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.num_pkts = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.duration = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.preroll = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.index_offset = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.data_offset = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.num_streams = rm_unpack16(&pBuf, &ulLen); + pInt->propHdr.flags = rm_unpack16(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_content_hdr(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= 12) { + /* Unpack the rm_content_hdr */ + pInt->contHdr.id = rm_unpack32(&pBuf, &ulLen); + pInt->contHdr.size = rm_unpack32(&pBuf, &ulLen); + pInt->contHdr.version = rm_unpack16(&pBuf, &ulLen); + pInt->contHdr.title_sz = rm_unpack16(&pBuf, &ulLen); + if (ulLen >= (UINT32) pInt->contHdr.title_sz + 2) { + rm_unpack_string(&pBuf, &ulLen, pInt->contHdr.title_sz, + &pInt->contHdr.title, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + pInt->contHdr.author_sz = rm_unpack16(&pBuf, &ulLen); + if (ulLen >= (UINT32) pInt->contHdr.author_sz + 2) { + rm_unpack_string(&pBuf, &ulLen, pInt->contHdr.author_sz, + &pInt->contHdr.author, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + pInt->contHdr.copyright_sz = rm_unpack16(&pBuf, &ulLen); + if (ulLen >= (UINT32) pInt->contHdr.copyright_sz + 2) { + rm_unpack_string(&pBuf, &ulLen, pInt->contHdr.copyright_sz, + &pInt->contHdr.copyright, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + pInt->contHdr.comment_sz = rm_unpack16(&pBuf, &ulLen); + if (ulLen >= pInt->contHdr.comment_sz) { + rm_unpack_string(&pBuf, &ulLen, pInt->contHdr.comment_sz, + &pInt->contHdr.comment, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + if (ulLen >= 4) { + if (RM_DATA_OBJECT == rm_unpack32_nse(pBuf, ulLen)) { + rm_parseri_file_seek(pInt, pInt->ulCurFileOffset - ulLen, HX_SEEK_ORIGIN_SET); + } + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + } + } + } + + return retVal; +} + +void rm_parseri_cleanup_content_hdr(rm_parser_internal* pInt) +{ + if (pInt) { + /* Delete the title string */ + if (pInt->contHdr.title) { + rm_parseri_free(pInt, pInt->contHdr.title); + pInt->contHdr.title = HXNULL; + } + /* Delete the author string */ + if (pInt->contHdr.author) { + rm_parseri_free(pInt, pInt->contHdr.author); + pInt->contHdr.author = HXNULL; + } + /* Delete the copyright string */ + if (pInt->contHdr.copyright) { + rm_parseri_free(pInt, pInt->contHdr.copyright); + pInt->contHdr.copyright = HXNULL; + } + /* Delete the comment string */ + if (pInt->contHdr.comment) { + rm_parseri_free(pInt, pInt->contHdr.comment); + pInt->contHdr.comment = HXNULL; + } + } +} + +HX_RESULT rm_parseri_unpack_media_props_hdr(rm_parser_internal* pInt, + struct rm_media_props_hdr* h) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && h) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + /* Unpack the rm_media_props_hdr */ + if (ulLen >= 41) { + h->id = rm_unpack32(&pBuf, &ulLen); + h->size = rm_unpack32(&pBuf, &ulLen); + h->version = rm_unpack16(&pBuf, &ulLen); + h->stream_num = rm_unpack16(&pBuf, &ulLen); + h->max_bit_rate = rm_unpack32(&pBuf, &ulLen); + h->avg_bit_rate = rm_unpack32(&pBuf, &ulLen); + h->max_pkt_size = rm_unpack32(&pBuf, &ulLen); + h->avg_pkt_size = rm_unpack32(&pBuf, &ulLen); + h->start_time = rm_unpack32(&pBuf, &ulLen); + h->preroll = rm_unpack32(&pBuf, &ulLen); + h->duration = rm_unpack32(&pBuf, &ulLen); + h->stream_name_sz = rm_unpack8(&pBuf, &ulLen); + if (ulLen >= (UINT32) h->stream_name_sz + 1) { + rm_unpack_string(&pBuf, &ulLen, h->stream_name_sz, &h->stream_name, + pInt->pUserMem, pInt->fpMalloc, pInt->fpFree); + h->mime_type_sz = rm_unpack8(&pBuf, &ulLen); + if (ulLen >= (UINT32) h->mime_type_sz + 4) { + rm_unpack_string(&pBuf, &ulLen, h->mime_type_sz, &h->mime_type, + pInt->pUserMem, pInt->fpMalloc, pInt->fpFree); + h->type_spec_sz = rm_unpack32(&pBuf, &ulLen); + if (ulLen >= (UINT32) h->type_spec_sz) { + rm_unpack_buffer(&pBuf, &ulLen, h->type_spec_sz, &h->type_spec, + pInt->pUserMem, pInt->fpMalloc, pInt->fpFree); + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + } + } + + return retVal; +} + +void rm_parseri_cleanup_media_props_hdr(rm_parser_internal* pInt, + struct rm_media_props_hdr* h) +{ + if (pInt && h) { + /* Delete the stream name string */ + if (h->stream_name) { + rm_parseri_free(pInt, h->stream_name); + h->stream_name = HXNULL; + } + /* Delete the mime type string */ + if (h->mime_type) { + rm_parseri_free(pInt, h->mime_type); + h->mime_type = HXNULL; + } + /* Delete the type specific data buffer */ + if (h->type_spec) { + rm_parseri_free(pInt, h->type_spec); + h->type_spec = HXNULL; + } + } +} + +void rm_parseri_cleanup_all_media_props_hdrs(rm_parser_internal* pInt) +{ + if (pInt && pInt->pMediaPropsHdr) { + /* Clean up each individual media properties header */ + UINT32 i = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + rm_parseri_cleanup_media_props_hdr(pInt, &pInt->pMediaPropsHdr[i]); + } + /* Free the memory for the array */ + rm_parseri_free(pInt, pInt->pMediaPropsHdr); + /* Zero out the number of media props headers */ + pInt->ulNumMediaPropsHdrs = 0; + pInt->ulNumMediaPropsHdrsAlloc = 0; + /* Null out the pointer */ + pInt->pMediaPropsHdr = HXNULL; + } +} + +HX_RESULT rm_parseri_unpack_name_value_map(rm_parser_internal* pInt, + struct rm_name_value_map* pMap, + BYTE** ppBuf, UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pMap && ppBuf && pulLen && *pulLen >= 7) { + /* Unpack the name-value map struct */ + pMap->size = rm_unpack32(ppBuf, pulLen); + pMap->version = rm_unpack16(ppBuf, pulLen); + pMap->name_sz = rm_unpack8(ppBuf, pulLen); + if (*pulLen >= (UINT32) pMap->name_sz + 6) { + rm_unpack_string(ppBuf, pulLen, pMap->name_sz, &pMap->name, + pInt->pUserMem, pInt->fpMalloc, pInt->fpFree); + pMap->type = rm_unpack32(ppBuf, pulLen); + pMap->value_sz = rm_unpack16(ppBuf, pulLen); + if (*pulLen >= pMap->value_sz) { + rm_unpack_buffer(ppBuf, pulLen, pMap->value_sz, &pMap->value, + pInt->pUserMem, pInt->fpMalloc, pInt->fpFree); + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + + return retVal; +} + +void rm_parseri_cleanup_name_value_map(rm_parser_internal* pInt, + struct rm_name_value_map* h) +{ + if (pInt && h) { + /* Delete the name string */ + if (h->name) { + rm_parseri_free(pInt, h->name); + h->name = HXNULL; + } + /* Delete the value buffer */ + if (h->value) { + rm_parseri_free(pInt, h->value); + h->value = HXNULL; + } + } +} + +void rm_parseri_cleanup_all_name_value_maps(rm_parser_internal* pInt, + struct rm_logical_stream_hdr* h) +{ + if (pInt && h && h->props) { + /* Clean up each name-value pair */ + UINT16 i = 0; + for (i = 0; i < h->num_props; i++) { + rm_parseri_cleanup_name_value_map(pInt, &h->props[i]); + } + /* Free the array of props */ + rm_parseri_free(pInt, h->props); + /* Zero out the number of props */ + h->num_props = 0; + /* NULL out the pointer */ + h->props = HXNULL; + } +} + +HX_RESULT rm_parseri_unpack_logical_stream_hdr(rm_parser_internal* pInt, + struct rm_media_props_hdr* mh, + struct rm_logical_stream_hdr* h) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && mh && mh->type_spec && mh->type_spec_sz > 0 && h) { + /* Assign temporary variables */ + BYTE* pBuf = mh->type_spec; + UINT32 ulLen = mh->type_spec_sz; + UINT32 ulSize = 0; + UINT16 i = 0; + /* Parse the logical stream header */ + if (ulLen >= 8) { + h->size = rm_unpack32(&pBuf, &ulLen); + h->version = rm_unpack16(&pBuf, &ulLen); + h->num_physical_streams = rm_unpack16(&pBuf, &ulLen); + if (ulLen >= (UINT32) 6 * h->num_physical_streams + 2) { + rm_unpack_array(&pBuf, &ulLen, h->num_physical_streams, sizeof(UINT16), + (void**) &h->physical_stream_num, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + rm_unpack_array(&pBuf, &ulLen, h->num_physical_streams, sizeof(UINT32), + (void**) &h->data_offsets, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + h->num_rules = rm_unpack16(&pBuf, &ulLen); + if (ulLen >= (UINT32) h->num_rules * 2 + 2) { + rm_unpack_array(&pBuf, &ulLen, h->num_rules, sizeof(UINT16), + (void**) &h->rule_stream_map, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + h->num_props = rm_unpack16(&pBuf, &ulLen); + /* Clean up any existing name-value pairs */ + rm_parseri_cleanup_all_name_value_maps(pInt, h); + /* Allocate an array of name value pairs */ + ulSize = h->num_props * sizeof(struct rm_name_value_map); + if (ulSize) { + h->props = (struct rm_name_value_map*) rm_parseri_malloc(pInt, ulSize); + if (h->props) { + /* NULL out the memory */ + memset(h->props, 0, ulSize); + /* Clear the return value */ + retVal = HXR_OK; + /* Unpack each of the name-value pairs */ + for (i = 0; i < h->num_props && retVal == HXR_OK; i++) { + retVal = rm_parseri_unpack_name_value_map(pInt, &h->props[i], + &pBuf, &ulLen); + } + } + } else { + /* No properties - not an error */ + retVal = HXR_OK; + } + } + } + } + } + + return retVal; +} + +UINT32 rm_parseri_get_num_logical_streams(rm_parser_internal* pInt) +{ + UINT32 ulRet = 0; + + if (pInt && pInt->pMediaPropsHdr) { + UINT32 i = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + const char* pszMimeType = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if (rm_parseri_is_logical_stream_mime_type(pszMimeType)) { + ulRet++; + } + } + } + + return ulRet; +} + +HXBOOL rm_parseri_is_logical_fileinfo_present(rm_parser_internal* pInt, UINT32* pulIndx) +{ + HXBOOL bRet = FALSE; + + if (pInt && pInt->pMediaPropsHdr && pulIndx) { + UINT32 i = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + const char* pszMimeType = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if (rm_parseri_is_logical_fileinfo_mime_type(pszMimeType)) { + bRet = TRUE; + *pulIndx = i; + break; + } + } + } + + return bRet; +} + +void rm_parseri_cleanup_logical_fileinfo_hdr(rm_parser_internal* pInt) +{ + if (pInt && pInt->pLogicalFileInfo) { + /* Clean up the struct */ + rm_parseri_cleanup_logical_stream_hdr(pInt, pInt->pLogicalFileInfo); + /* Free the struct memory */ + rm_parseri_free(pInt, pInt->pLogicalFileInfo); + /* NULL out the pointer */ + pInt->pLogicalFileInfo = HXNULL; + } +} + +HX_RESULT rm_parseri_unpack_all_logical_stream_hdrs(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Declare some local variables we need later */ + UINT32 ulSize = 0; + UINT32 ulIndx = 0; + UINT32 i = 0; + /* Get the number of media props headers that are logical streams */ + UINT32 ulNumLogical = rm_parseri_get_num_logical_streams(pInt); + if (ulNumLogical) { + /* Free any existing logical stream array */ + rm_parseri_cleanup_all_logical_stream_hdrs(pInt); + /* Compute the size of the logical stream header array */ + ulSize = ulNumLogical * sizeof(struct rm_logical_stream_hdr); + /* Allocate the array of logical stream headers */ + pInt->pLogicalStreamHdr = + (struct rm_logical_stream_hdr*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pLogicalStreamHdr) { + /* Zero out the memory */ + memset(pInt->pLogicalStreamHdr, 0, ulSize); + /* Assign the number of logical stream headers */ + pInt->ulNumLogicalStreamHdrs = ulNumLogical; + /* Clear the return value */ + retVal = HXR_OK; + /* + * Loop through all the media properties headers, and + * if a header is a logical stream, then unpack it + */ + for (i = 0; i < pInt->ulNumMediaPropsHdrs && retVal == HXR_OK; i++) { + const char* pszMimeType = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if (rm_parseri_is_logical_stream_mime_type(pszMimeType)) { + /* + * Unpack the logical stream. We don't have + * to worry about ulIndx being less than + * ulNumLogicalStreamHdrs since we already + * guaranteed above that ulNumLogicalStreamHdrs + * was correct. + */ + retVal = rm_parseri_unpack_logical_stream_hdr(pInt, + &pInt->pMediaPropsHdr[i], + &pInt->pLogicalStreamHdr[ulIndx]); + if (retVal == HXR_OK) { + ulIndx++; + } else { + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, "Failed to parse logical stream header."); + } + } + } + } + } else { + /* No logical streams - single-rate file */ + retVal = HXR_OK; + } + if (retVal == HXR_OK) { + /* Clean up any existing logical-fileinfo header */ + rm_parseri_cleanup_logical_fileinfo_hdr(pInt); + /* Do we have a logical-fileinfo header? */ + if (rm_parseri_is_logical_fileinfo_present(pInt, &ulIndx)) { + /* Compute the size of the logical fileinfo */ + ulSize = sizeof(struct rm_logical_stream_hdr); + /* Allocate space for the struct */ + pInt->pLogicalFileInfo = + (struct rm_logical_stream_hdr*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pLogicalFileInfo) { + /* Zero out the memory */ + memset(pInt->pLogicalFileInfo, 0, ulSize); + /* Unpack the logical-fileinfo struct */ + retVal = rm_parseri_unpack_logical_stream_hdr(pInt, + &pInt->pMediaPropsHdr[ulIndx], + pInt->pLogicalFileInfo); + if (retVal != HXR_OK) { + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, "Failed to parse logical-fileinfo header."); + } + } else { + retVal = HXR_OUTOFMEMORY; + } + } + } + } + + return retVal; +} + +void rm_parseri_cleanup_logical_stream_hdr(rm_parser_internal* pInt, + struct rm_logical_stream_hdr* h) +{ + if (pInt && h) { + /* Delete the stream number array */ + if (h->physical_stream_num) { + rm_parseri_free(pInt, h->physical_stream_num); + h->physical_stream_num = HXNULL; + } + /* Delete the data offsets array */ + if (h->data_offsets) { + rm_parseri_free(pInt, h->data_offsets); + h->data_offsets = HXNULL; + } + /* Delete the rule-to-stream map */ + if (h->rule_stream_map) { + rm_parseri_free(pInt, h->rule_stream_map); + h->rule_stream_map = HXNULL; + } + /* Clean up the logical stream props */ + rm_parseri_cleanup_all_name_value_maps(pInt, h); + } +} + +void rm_parseri_cleanup_all_logical_stream_hdrs(rm_parser_internal* pInt) +{ + if (pInt && pInt->pLogicalStreamHdr) { + /* Clean up the individual logical stream headers */ + UINT32 i = 0; + for (i = 0; i < pInt->ulNumLogicalStreamHdrs; i++) { + rm_parseri_cleanup_logical_stream_hdr(pInt, &pInt->pLogicalStreamHdr[i]); + } + /* Free the memory of the array */ + rm_parseri_free(pInt, pInt->pLogicalStreamHdr); + /* NULL out the array pointer */ + pInt->pLogicalStreamHdr = HXNULL; + /* Zero out the array size and number of headers */ + pInt->ulNumLogicalStreamHdrs = 0; + } +} + +HX_RESULT rm_parseri_allocate_media_props_hdrs(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_OUTOFMEMORY; + + if (pInt) { + UINT32 ulSize = 0; + /* Clean up any existing media properties header array */ + rm_parseri_cleanup_all_media_props_hdrs(pInt); + /* + * Compute the number of stream properties headers + * we need to allocate. Normally this is propHdr.num_streams, + * but for file version > 0, it is possible to have file-info + * header for each stream but not all of them may be present. + */ + pInt->ulNumMediaPropsHdrsAlloc = pInt->propHdr.num_streams; + if (pInt->fileHdr.file_version != 0) { + if (pInt->ulNumMediaPropsHdrsAlloc > 2) { + pInt->ulNumMediaPropsHdrsAlloc = (pInt->ulNumMediaPropsHdrsAlloc - 1) * 2; + } + } + /* Calculate the size of the stream property header array */ + ulSize = pInt->ulNumMediaPropsHdrsAlloc * sizeof(struct rm_media_props_hdr); + /* Allocate the number of media properties headers */ + pInt->pMediaPropsHdr = + (struct rm_media_props_hdr*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pMediaPropsHdr) { + /* NULL out the memory */ + memset((void*) pInt->pMediaPropsHdr, 0, ulSize); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +void rm_parseri_cleanup_read_buffer(rm_parser_internal* pInt) +{ + if (pInt && pInt->pReadBuffer) { + rm_parseri_free(pInt, pInt->pReadBuffer); + pInt->pReadBuffer = HXNULL; + pInt->ulReadBufferSize = 0; + pInt->ulNumBytesRead = 0; + } +} + +UINT32 rm_parseri_get_media_props_hdr_stream_num(rm_parser_internal* pInt) +{ + UINT32 ulRet = 0; + + if (pInt && pInt->pReadBuffer && pInt->ulNumBytesRead >= 12) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + /* Skip directly to the stream_num */ + pBuf += 10; + ulLen -= 10; + /* Unpack the stream_num. */ + ulRet = (UINT32) rm_unpack16(&pBuf, &ulLen); + } + + return ulRet; +} + +HXBOOL rm_parseri_is_logical_stream_mime_type(const char* pszMimeType) +{ + HXBOOL bRet = FALSE; + + if (pszMimeType) { + if (!rm_parseri_is_logical_fileinfo_mime_type(pszMimeType)) { + if (!strncmp(pszMimeType, RM_PARSER_LOGICAL_PREFIX, + strlen(RM_PARSER_LOGICAL_PREFIX))) { + bRet = TRUE; + } + } + } + + return bRet; +} + +HXBOOL rm_parseri_is_logical_fileinfo_mime_type(const char* pszMimeType) +{ + HXBOOL bRet = FALSE; + + if (pszMimeType) { + if (!strcmp(pszMimeType, RM_PARSER_LOGICAL_FILEINFO)) { + bRet = TRUE; + } + } + + return bRet; +} + +HX_RESULT rm_parseri_read_next_header(rm_parser_internal* pInt, UINT32* pulID) +{ + HX_RESULT retVal = HXR_UNEXPECTED; + if (pInt && pulID) { + struct rm_generic_hdr genHdr; + UINT32 ulHeaderSize = 0; + UINT32 ulBytesToRead = 0; + UINT32 ulNumBytesRead = 0; + /* Set the return value */ + retVal = HXR_READ_ERROR; + /* Read a generic header into the read buffer */ + ulBytesToRead = RM_PARSER_GENERIC_HDR_SIZE; + ulNumBytesRead = rm_parseri_file_read(pInt, ulBytesToRead, 0); + /* Make sure we read enough */ + if (ulNumBytesRead == ulBytesToRead) { + /* Unpack a generic header */ + rm_parseri_unpack_generic_hdr(pInt, &genHdr); + /* + * Compute the size of the header. For + * most header types, this will be the size specified + * in the "size" field. However, for data chunk headers and + * index chunk headers, the "size" also includes the CONTENTS + * of the chunk (all the packets or all the index records). + * So for those chunks we must special case them. + */ + ulHeaderSize = genHdr.size; + if (genHdr.id == RM_DATA_OBJECT) { + ulHeaderSize = RM_PARSER_DATA_CHUNK_HEADER_SIZE; + } else if (genHdr.id == RM_INDEX_OBJECT) { + ulHeaderSize = RM_PARSER_INDEX_HEADER_SIZE; + } + /* Now compute how many bytes we still need to read */ + if (ulHeaderSize > RM_PARSER_GENERIC_HDR_SIZE) { + /* some incomplete downloaded file filled with 0xffffffff by downloader */ + if (ulHeaderSize != 0xffffffff) { + ulBytesToRead = ulHeaderSize - RM_PARSER_GENERIC_HDR_SIZE; + /* Read the rest of the chunk */ + ulNumBytesRead = rm_parseri_file_read(pInt, ulBytesToRead, RM_PARSER_GENERIC_HDR_SIZE); + if (ulNumBytesRead == ulBytesToRead) { + /* Assign the header id to the out parameter */ + *pulID = genHdr.id; + /* Clear the return value */ + retVal = HXR_OK; + } else { + /* Call back to error interface */ + rm_parseri_error(pInt, retVal, "Could not read chunk data."); + } + } else { + /* Call back to error interface */ + rm_parseri_error(pInt, retVal, "Could not read chunk data."); + } + } + } else { + /* Call back to error interface */ + rm_parseri_error(pInt, retVal, "Could not read chunk header."); + } + } + + return retVal; +} + +HX_RESULT rm_parseri_read_next_packet_header(rm_parser_internal* pInt, + struct rm_pkt_hdr* pPktHdr) +{ + HX_RESULT retVal = HXR_UNEXPECTED; + + if (pInt) { + UINT32 ulNumBytesRead = 0; + /* Change the error return */ + retVal = HXR_READ_ERROR; + /* Read the packet header into the read buffer */ + ulNumBytesRead = rm_parseri_file_read(pInt, RM_PARSER_PACKET_HEADER_SIZE, 0); + if (ulNumBytesRead == RM_PARSER_PACKET_HEADER_SIZE) { + /* Unpack the packet header */ + retVal = rm_parseri_unpack_pkt_hdr(pInt, pPktHdr); + } else { + /* Call back to error interface */ + rm_parseri_error(pInt, retVal, "Could not read packet header."); + } + } + + return retVal; +} + +HX_RESULT rm_parseri_setup_interleaved_streams(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_NOT_SUPPORTED; + + if (pInt && pInt->pMediaPropsHdr && pInt->ulNumMediaPropsHdrs) { + /* Declare some locals we'll need later */ + struct rm_media_props_hdr* pTmp = HXNULL; + UINT32 ulNumInterleaved = 0; + /* Allocate a temporary array of HXBOOLs */ + UINT32 ulSize = pInt->ulNumMediaPropsHdrs * sizeof(HXBOOL); + HXBOOL* pInterleaved = (HXBOOL*) rm_parseri_malloc(pInt, ulSize); + if (pInterleaved) { + /* Init them all the TRUE */ + UINT32 i = 0; + UINT32 j = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + pInterleaved[i] = TRUE; + } + /* + * Now run through the all the logical streams + * and remove the physical streams + */ + for (i = 0; i < pInt->ulNumLogicalStreamHdrs; i++) { + for (j = 0; j < (UINT32) pInt->pLogicalStreamHdr[i].num_physical_streams; j++) { + pInterleaved[pInt->pLogicalStreamHdr[i].physical_stream_num[j]] = FALSE; + } + } + /* + * Now remove the media props headers that + * are actually logical stream and logical fileinfo headers. + */ + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + const char* pszMimeType = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if (rm_parseri_is_logical_stream_mime_type(pszMimeType) || + rm_parseri_is_logical_fileinfo_mime_type(pszMimeType)) { + pInterleaved[i] = FALSE; + } + } + /* Now count the interleaved streams */ + ulNumInterleaved = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + if (pInterleaved[i]) { + ulNumInterleaved++; + } + } + /* Do we have any interleaved streams? */ + if (ulNumInterleaved) { + /* Allocate a new array of media props headers */ + retVal = HXR_OUTOFMEMORY; + ulSize = ulNumInterleaved * sizeof(struct rm_media_props_hdr); + pTmp = (struct rm_media_props_hdr*) rm_parseri_malloc(pInt, ulSize); + if (pTmp) { + /* Copy the media props headers which are interleaved */ + j = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + if (pInterleaved[i]) { + pInt->pMediaPropsHdr[i].start_offset = pInt->propHdr.data_offset; + pTmp[j++] = pInt->pMediaPropsHdr[i]; + } else { + rm_parseri_cleanup_media_props_hdr(pInt, &pInt->pMediaPropsHdr[i]); + } + } + /* Free the logical stream array. */ + rm_parseri_cleanup_all_logical_stream_hdrs(pInt); + /* Delete the memory associated with the old media props array */ + rm_parseri_free(pInt, pInt->pMediaPropsHdr); + /* Replace the old media props array with the new one */ + pInt->pMediaPropsHdr = pTmp; + /* Update the number of media props headers */ + pInt->ulNumMediaPropsHdrs = ulNumInterleaved; + pInt->ulNumMediaPropsHdrsAlloc = ulNumInterleaved; + /* Update the number of streams */ + pInt->ulNumStreams = ulNumInterleaved; + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + /* Free the temporary array */ + rm_parseri_free(pInt, pInterleaved); + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_logical_multirate_type_spec(rm_parser_internal* pInt, UINT32 index) +{ + HX_RESULT retVal = HXR_NOT_SUPPORTED; + UINT16 *pStreamNum; + unsigned char *pOffset; + UINT16 num_stream = 0; + int w = 0xFF; /* For run-time endianness detection */ + int i, j; + UINT16 stream_num; + UINT32 start_offset; + + if (pInt->pMediaPropsHdr[index].type_spec) { + memcpy(&num_stream, pInt->pMediaPropsHdr[index].type_spec + 6, sizeof(UINT16)); + num_stream = IS_BIG_ENDIAN(w) ? num_stream : BYTE_SWAP_UINT16(num_stream); + if (num_stream) { + pStreamNum = (UINT16*)(pInt->pMediaPropsHdr[index].type_spec + 8); + pOffset = (unsigned char*)(pInt->pMediaPropsHdr[index].type_spec + 8 + num_stream * sizeof(UINT16)); + for (i = 0; i < num_stream; i++) { + memcpy(&stream_num, pStreamNum, sizeof(UINT16)); + stream_num = IS_BIG_ENDIAN(w) ? stream_num : BYTE_SWAP_UINT16(stream_num); + for (j = 0; j < pInt->ulNumMediaPropsHdrs; j++) { + if (pInt->pMediaPropsHdr[j].stream_num == stream_num) { + memcpy((char*)&start_offset, (char*)pOffset, sizeof(UINT32)); + pInt->pMediaPropsHdr[j].start_offset = IS_BIG_ENDIAN(w) ? start_offset : BYTE_SWAP_UINT32(start_offset); + break; + } + } + pStreamNum++; + pOffset += 4; + } + retVal = HXR_OK; + } + } + return retVal; +} + +HX_RESULT rm_parseri_setup_multirate_streams(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_NOT_SUPPORTED; + + if (pInt && pInt->pMediaPropsHdr && pInt->ulNumMediaPropsHdrs) { + /* Declare some locals we'll need later */ + struct rm_media_props_hdr* pTmp = HXNULL; + UINT32 ulNumInterleaved = 0; + /* Allocate a temporary array of HXBOOLs */ + UINT32 ulSize = pInt->ulNumMediaPropsHdrs * sizeof(HXBOOL); + HXBOOL* pInterleaved = (HXBOOL*) rm_parseri_malloc(pInt, ulSize); + if (pInterleaved) { + UINT32 i = 0; + UINT32 j = 0; + /* + * Now get info from logical headers. + */ + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + const char* pszMimeType = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if ((!strcmp(pszMimeType, RM_PARSER_LOGICAL_MULTIRATE_VIDEO)) || + (!strcmp(pszMimeType, RM_PARSER_LOGICAL_MULTIRATE_AUDIO))) { + rm_parseri_unpack_logical_multirate_type_spec(pInt, i); + } + } + /* + * Now remove the media props headers that + * are actually logical stream and logical fileinfo headers. + */ + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + const char* pszMimeType = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if (rm_stream_is_realaudio_mimetype(pszMimeType) || + rm_stream_is_realvideo_mimetype(pszMimeType)) { + pInterleaved[i] = TRUE; + ulNumInterleaved++; + } else { + pInterleaved[i] = FALSE; + } + } + + /* Do we have any streams? */ + if (ulNumInterleaved > 0) { + /* Allocate a new array of media props headers */ + retVal = HXR_OUTOFMEMORY; + ulSize = ulNumInterleaved * sizeof(struct rm_media_props_hdr); + pTmp = (struct rm_media_props_hdr*) rm_parseri_malloc(pInt, ulSize); + if (pTmp) { + /* Copy the media props headers which are interleaved */ + j = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + if (pInterleaved[i]) { + pTmp[j++] = pInt->pMediaPropsHdr[i]; + } else { + rm_parseri_cleanup_media_props_hdr(pInt, &pInt->pMediaPropsHdr[i]); + } + } + /* Free the logical stream array. */ + rm_parseri_cleanup_all_logical_stream_hdrs(pInt); + /* Delete the memory associated with the old media props array */ + rm_parseri_free(pInt, pInt->pMediaPropsHdr); + /* Replace the old media props array with the new one */ + pInt->pMediaPropsHdr = pTmp; + /* Update the number of media props headers */ + pInt->ulNumMediaPropsHdrs = ulNumInterleaved; + pInt->ulNumMediaPropsHdrsAlloc = ulNumInterleaved; + /* Update the number of streams */ + pInt->ulNumStreams = ulNumInterleaved; + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + /* Free the temporary array */ + rm_parseri_free(pInt, pInterleaved); + } + + return retVal; +} + +HX_RESULT rm_parseri_read_all_headers(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Declare the chunk id local variable */ + UINT32 ulID = 0; + /* Seek back to the beginning of the file */ + rm_parseri_file_seek(pInt, 0, HX_SEEK_ORIGIN_SET); + /* Read the first header */ + retVal = rm_parseri_read_next_header(pInt, &ulID); + if (retVal == HXR_OK) { + /* + * If we don't encounter a RM_HEADER_OBJECT at the + * beginning of the file, then that's a problem. + */ + if (ulID == RM_HEADER_OBJECT) { + /* Unpack the .rm file header */ + retVal = rm_parseri_unpack_file_hdr(pInt); + if (retVal == HXR_OK) { + /* + * Check the version of this file header struct + * as well as the file_version to make sure we + * support this version of the .rm file. + */ + if ((pInt->fileHdr.version == 0 || pInt->fileHdr.version == 1) && + (pInt->fileHdr.file_version == 0 || pInt->fileHdr.file_version == 1)) { + /* + * Now loop and unpack until we have either unpacked + * the number of headers specified in the file header + * or we reach the first data chunk. + */ + HXBOOL bDone = FALSE; + UINT32 i = 0; + for (i = 0; i < pInt->fileHdr.num_headers && !bDone && retVal == HXR_OK; i++) { + /* Read the next header into the read buffer */ + retVal = rm_parseri_read_next_header(pInt, &ulID); + if (retVal == HXR_OK) { + /* Switch based on chunk 4cc */ + switch (ulID) { + case RM_PROPERTIES_OBJECT: { + /* Unpack the clip properties header */ + retVal = rm_parseri_unpack_properties_hdr(pInt); + if (retVal == HXR_OK) { + /* Allocate the media props array */ + retVal = rm_parseri_allocate_media_props_hdrs(pInt); + if (retVal == HXR_OK) { + /* Init the number of media props headers we've seen */ + pInt->ulNumMediaPropsHdrs = 0; + } + } + } + break; + case RM_MEDIA_PROPERTIES_OBJECT: { + /* + * Media properties headers aren't necessarily + * ordered in the file by stream_num. However, we would like + * be able to index them by stream_num. Therefore, we will + * first parse out the stream_num member and then place + * it in the array at that index. + */ + UINT32 ulStreamNum = rm_parseri_get_media_props_hdr_stream_num(pInt); + if (ulStreamNum < pInt->ulNumMediaPropsHdrsAlloc) { + /* Unpack the media properties header */ + retVal = rm_parseri_unpack_media_props_hdr(pInt, &pInt->pMediaPropsHdr[ulStreamNum]); + /* Increment the number of properties we've read */ + if (retVal == HXR_OK) { + /* Increment the number of media props headers we've seen */ + pInt->ulNumMediaPropsHdrs++; + } else { + /* Parsing of media props header failed. */ + retVal = HXR_CORRUPT_FILE; + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, "Failed to parse media props header - possibly a corrupt file."); + } + } else { + /* Illegal stream number */ + retVal = HXR_CORRUPT_FILE; + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, "Illegal stream number - possibly a corrupt file."); + } + } + break; + case RM_CONTENT_OBJECT: { + retVal = rm_parseri_unpack_content_hdr(pInt); + if (retVal != HXR_OK) { + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, + "Failed to parse content header - possibly a corrupt file."); + } + } + break; + case RM_DATA_OBJECT: { + bDone = TRUE; + } + break; + } + } + } + if (retVal == HXR_OK) { + /* Parse all the logical stream headers */ + retVal = rm_parseri_unpack_all_logical_stream_hdrs(pInt); + if (retVal == HXR_OK) { + /* + * Currently we only support single-rate files and + * SureStream files who have a backward-compatible + * single-rate section. So know we must determine + * if we can play this file. + */ + retVal = rm_parseri_setup_interleaved_streams(pInt); + if (retVal == HXR_OK) { + pInt->ulInterleavedStreamsFlag = 1; + /* Create some structures to hold stream info */ + retVal = rm_parseri_create_stream_structures(pInt); + if (retVal == HXR_OK) { + /* + * We will examine the first few packets + * of each stream to determine if there is + * a packet time offset. + */ + pInt->pDataHdr = rm_parseri_malloc(pInt, sizeof(struct rm_data_hdr)); + if (pInt->pDataHdr) { + retVal = rm_parseri_examine_initial_packets(pInt, 0); + if (retVal == HXR_OK) { + /* Create the stream headers */ + retVal = rm_parseri_create_all_stream_headers(pInt); + } + } else { + retVal = HXR_OUTOFMEMORY; + } + } + } else { + pInt->ulInterleavedStreamsFlag = 0; + retVal = rm_parseri_setup_multirate_streams(pInt); + if (retVal == HXR_OK) { + /* Create some structures to hold stream info */ + retVal = rm_parseri_create_stream_structures(pInt); + if (retVal == HXR_OK) { + /* + * We will examine the first few packets + * of each stream to determine if there is + * a packet time offset. + */ + pInt->pDataHdr = rm_parseri_malloc(pInt, pInt->ulNumStreams * sizeof(struct rm_data_hdr)); + if (pInt->pDataHdr) { + UINT32 j = 0; + for (j = 0; j < pInt->ulNumStreams; j++) { + retVal = rm_parseri_examine_initial_packets(pInt, j); + if (retVal != HXR_OK) { + break; + } + } + if (retVal == HXR_OK) { + /* Create the stream headers */ + retVal = rm_parseri_create_all_stream_headers(pInt); + } + } else { + retVal = HXR_OUTOFMEMORY; + } + } else { + /* + * This is a surestream file which has not backwards-compatible + * streams, which we do not support. + */ + retVal = HXR_NOT_SUPPORTED; + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, + "Unsupported file (SureStream file with no " + "compatible streams)"); + } + } else { + retVal = HXR_NOT_SUPPORTED; + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, + "Unsupported file (SureStream file with no " + "compatible streams)"); + } + } + } + } + } else { + /* + * This is a later version than we support */ + retVal = HXR_NOT_SUPPORTED; + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, "Unsupported file header version."); + } + } + } else { + /* + * The first four bytes of the file were + * not what we expected. This is likely not + * an .rm file. + * XXXMEH: is there a better error code for this? + */ + retVal = HXR_NOT_SUPPORTED; + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, + "First four bytes are are not \".RMF\" - this is not an .rm file"); + } + } + } + + return retVal; +} + +UINT32 rm_parseri_get_num_file_properties(rm_parser_internal* pInt) +{ + UINT32 ulRet = 0; + + if (pInt) { + /* + * We always put the "StreamCount" and "Flags" properties. + */ + ulRet += 2; + /* If we have a real datatype, then we will add "IsRealDataType" */ + if (rm_parseri_has_real_data_type(pInt)) { + ulRet++; + } + /* + * If we have a logical-fileinfo header, we will put in + * all the properties in it. + */ + if (pInt->pLogicalFileInfo) { + ulRet += pInt->pLogicalFileInfo->num_props; + } + /* Add "Title", "Author", "Copyright" if present */ + if (pInt->contHdr.title) { + ulRet++; + } + if (pInt->contHdr.author) { + ulRet++; + } + if (pInt->contHdr.copyright) { + ulRet++; + } + } + + return ulRet; +} + +HX_RESULT rm_parseri_get_file_properties(rm_parser_internal* pInt, + rm_property* pProp, UINT32 ulNumProp) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pProp && ulNumProp) { + /* Init the counter */ + UINT32 ulIndex = 0; + /* "StreamCount" property */ + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], "StreamCount", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->ulNumStreams, 0); + + if (retVal == HXR_OK) { + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], "Flags", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->propHdr.flags, 0); + } + if (retVal == HXR_OK && + rm_parseri_has_real_data_type(pInt)) { + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], "IsRealDataType", + RM_PROPERTY_TYPE_UINT32, + (void*) 1, 0); + } + if (retVal == HXR_OK && pInt->contHdr.title) { + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], "Title", + RM_PROPERTY_TYPE_BUFFER, + (void*) pInt->contHdr.title, + strlen(pInt->contHdr.title) + 1); + } + if (retVal == HXR_OK && pInt->contHdr.author) { + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], "Author", + RM_PROPERTY_TYPE_BUFFER, + (void*) pInt->contHdr.author, + strlen(pInt->contHdr.author) + 1); + } + if (retVal == HXR_OK && pInt->contHdr.copyright) { + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], "Copyright", + RM_PROPERTY_TYPE_BUFFER, + (void*) pInt->contHdr.copyright, + strlen(pInt->contHdr.copyright) + 1); + } + if (pInt->pLogicalFileInfo) { + UINT32 i = 0; + for (i = 0; i < (UINT32) pInt->pLogicalFileInfo->num_props && retVal == HXR_OK; i++) { + struct rm_name_value_map* pMap = &pInt->pLogicalFileInfo->props[i]; + UINT32 ulLength = pMap->value_sz; + if (pMap->type != RM_PROPERTY_TYPE_BUFFER) { + ulLength = 0; + } + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], + (const char*) pMap->name, + pMap->type, pMap->value, ulLength); + } + } + } + + return retVal; +} + +HXBOOL rm_parseri_has_real_data_type(rm_parser_internal* pInt) +{ + HXBOOL bRet = FALSE; + + if (pInt) { + bRet = pInt->bIsRealDataType; + } + + return bRet; +} + +HX_RESULT rm_parseri_set_rm_property(rm_parser_internal* pInt, rm_property* pProp, + const char* pszName, UINT32 ulType, + void* pValue, UINT32 ulValueLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pProp && pszName) { + /* Cleanup the existing property */ + rm_parseri_cleanup_rm_property(pInt, pProp); + /* Allocate space for the name */ + pProp->pName = (char*) rm_parseri_malloc(pInt, strlen(pszName) + 1); + if (pProp->pName) { + /* Copy the string */ + strcpy(pProp->pName, pszName); + /* Copy the type */ + pProp->ulType = ulType; + /* What type is this property? */ + switch (ulType) { + case RM_PROPERTY_TYPE_UINT32: { + pProp->pValue = pValue; + pProp->ulValueLen = 0; + retVal = HXR_OK; + } + break; + case RM_PROPERTY_TYPE_BUFFER: { + pProp->pValue = (BYTE*) rm_parseri_malloc(pInt, ulValueLen); + if (pProp->pValue) { + /* Copy the string */ + memcpy(pProp->pValue, pValue, ulValueLen); + /* Assign the length */ + pProp->ulValueLen = ulValueLen; + /* Clear the return value */ + retVal = HXR_OK; + } + } + break; + case RM_PROPERTY_TYPE_CSTRING: { + const char* pszValue = (const char*) pValue; + UINT32 ulLen = (UINT32) strlen(pszValue) + 1; + pProp->pValue = (BYTE*) rm_parseri_malloc(pInt, ulLen); + if (pProp->pValue) { + /* Copy the string */ + strcpy((char*) pProp->pValue, pszValue); + /* Assign the length */ + pProp->ulValueLen = ulLen; + /* Clear the return value */ + retVal = HXR_OK; + } + } + break; + } + } + } + + return retVal; +} + +void rm_parseri_cleanup_rm_property(rm_parser_internal* pInt, rm_property* pProp) +{ + if (pInt && pProp) { + /* Free the name string */ + if (pProp->pName) { + rm_parseri_free(pInt, pProp->pName); + pProp->pName = HXNULL; + } + /* + * If this is a RM_PROPERTY_TYPE_BUFFER or RM_PROPERTY_TYPE_CSTRING + * property, then the pValue is an allocated buffer. If this + * is an RM_PROPERTY_TYPE_UINT32 property, then pValue doesn't + * have any buffer associated with it. + */ + if (pProp->pValue && pProp->ulType != RM_PROPERTY_TYPE_UINT32) { + rm_parseri_free(pInt, pProp->pValue); + pProp->pValue = HXNULL; + } + } +} + +void rm_parseri_cleanup_stream_num_map(rm_parser_internal* pInt) +{ + if (pInt && pInt->pulStreamNumMap) { + rm_parseri_free(pInt, pInt->pulStreamNumMap); + pInt->pulStreamNumMap = HXNULL; + pInt->ulStreamNumMapSize = 0; + } +} + +void rm_parseri_cleanup_stream_info(rm_parser_internal* pInt, struct rm_stream_info* pInfo) +{ + if (pInt) { + /* Free the index entry array */ + if (pInfo->seekTable.pEntry) { + rm_parseri_free(pInt, pInfo->seekTable.pEntry); + pInfo->seekTable.pEntry = HXNULL; + } + } +} + +void rm_parseri_cleanup_stream_info_array(rm_parser_internal* pInt) +{ + if (pInt && pInt->pStreamInfo) { + /* Clean up each individual stream info */ + UINT32 i = 0; + for (i = 0; i < pInt->ulNumStreams; i++) { + rm_parseri_cleanup_stream_info(pInt, &pInt->pStreamInfo[i]); + } + /* Clean up the array */ + rm_parseri_free(pInt, pInt->pStreamInfo); + pInt->pStreamInfo = HXNULL; + } +} + +HX_RESULT rm_parseri_create_stream_structures(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->ulNumStreams) { + /* + * Compute the max stream number and the + * max duration across all streams. + */ + UINT32 i = 0; + UINT32 ulSize = 0; + UINT32 ulMaxStreamNum = pInt->pMediaPropsHdr[0].stream_num; + UINT32 ulMaxDuration = pInt->pMediaPropsHdr[0].duration; + UINT32 ulIndexMaxEntries = RM_INDEX_MAX_ENTRIES; + UINT32 ulIndexTimeGranularity = ulMaxDuration / ulIndexMaxEntries; + for (i = 1; i < pInt->ulNumStreams; i++) { + if (pInt->pMediaPropsHdr[i].stream_num > ulMaxStreamNum) { + ulMaxStreamNum = pInt->pMediaPropsHdr[i].stream_num; + } + if (pInt->pMediaPropsHdr[i].duration > ulMaxDuration) { + ulMaxDuration = pInt->pMediaPropsHdr[i].duration; + } + } + /* Assign the max duration */ + pInt->ulMaxDuration = ulMaxDuration; + /* Free any existing stream number map */ + rm_parseri_cleanup_stream_num_map(pInt); + /* Allocate the stream number map */ + pInt->ulStreamNumMapSize = ulMaxStreamNum + 1; + ulSize = pInt->ulStreamNumMapSize * sizeof(UINT32); + pInt->pulStreamNumMap = (UINT32*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pulStreamNumMap) { + /* Initialize all the stream numbers in the map */ + for (i = 0; i < pInt->ulStreamNumMapSize; i++) { + pInt->pulStreamNumMap[i] = RM_NO_STREAM_SET; + } + /* + * The stream number maps maps stream number to + * the index in the pMediaPropsHdr array. + */ + for (i = 0; i < pInt->ulNumStreams; i++) { + pInt->pulStreamNumMap[pInt->pMediaPropsHdr[i].stream_num] = i; + } + /* Clean up any existing stream info array */ + rm_parseri_cleanup_stream_info_array(pInt); + /* Allocate a stream info array */ + ulSize = pInt->ulNumStreams * sizeof(struct rm_stream_info); + pInt->pStreamInfo = (struct rm_stream_info*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pStreamInfo) { + /* Zero out the array */ + memset(pInt->pStreamInfo, 0, ulSize); + /* Clear the return value */ + retVal = HXR_OK; + /* Compute the index table parameters */ + if (ulIndexTimeGranularity > RM_INDEX_MAX_TIME_GRANULARITY) { + ulIndexTimeGranularity = RM_INDEX_MAX_TIME_GRANULARITY; + ulIndexMaxEntries = ulMaxDuration / ulIndexTimeGranularity; + if (ulIndexMaxEntries > RM_INDEX_MAX_ENTRIES) { + ulIndexMaxEntries = RM_INDEX_MAX_ENTRIES; + } + } else if (ulIndexTimeGranularity < RM_INDEX_MIN_TIME_GRANULARITY) { + ulIndexTimeGranularity = RM_INDEX_MIN_TIME_GRANULARITY; + ulIndexMaxEntries = ulMaxDuration / ulIndexTimeGranularity; + if (ulIndexMaxEntries < RM_INDEX_MIN_ENTRIES) { + ulIndexMaxEntries = RM_INDEX_MIN_ENTRIES; + } + } + ulSize = ulIndexMaxEntries * sizeof(struct rm_seek_table_entry); + /* Initialize the stream info */ + for (i = 0; i < pInt->ulNumStreams && retVal == HXR_OK; i++) { + /* Initialize the type flag */ + if (pInt->pMediaPropsHdr[i].mime_type) { + const char* pszStr = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if (rm_stream_is_realaudio_mimetype(pszStr)) { + pInt->pStreamInfo[i].bIsRealAudio = TRUE; + pInt->bIsRealDataType = TRUE; + } else if (rm_stream_is_realvideo_mimetype(pszStr)) { + pInt->pStreamInfo[i].bIsRealVideo = TRUE; + pInt->bIsRealDataType = TRUE; + } else if (rm_stream_is_realevent_mimetype(pszStr)) { + pInt->pStreamInfo[i].bIsRealEvent = TRUE; + pInt->bIsRealDataType = TRUE; + } + } + /* Initialize the index table */ + pInt->pStreamInfo[i].seekTable.pEntry = + (struct rm_seek_table_entry*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pStreamInfo[i].seekTable.pEntry) { + /* Zero out the memory */ + memset(pInt->pStreamInfo[i].seekTable.pEntry, 0, ulSize); + /* Init the parameters */ + pInt->pStreamInfo[i].seekTable.ulMaxEntries = ulIndexMaxEntries; + pInt->pStreamInfo[i].seekTable.ulTimeGranularity = ulIndexTimeGranularity; + pInt->pStreamInfo[i].seekTable.ulNumEntries = 0; + pInt->pStreamInfo[i].seekTable.ulLastTime = 0; + pInt->pStreamInfo[i].seekTable.ulRangeTime = 0; + } else { + retVal = HXR_OUTOFMEMORY; + } + } + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_examine_initial_packets(rm_parser_internal* pInt, UINT32 ulStreamNum) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + struct rm_pkt_hdr hdr; + UINT32 ulID = 0; + UINT32 i = 0; + UINT32 j = 0; + /* Seek to the data offset mentioned in the properties header */ + rm_parseri_file_seek(pInt, pInt->pMediaPropsHdr[ulStreamNum].start_offset, HX_SEEK_ORIGIN_SET); + /* + * Read the next header into the read buffer, + * which should be a data chunk + */ + retVal = rm_parseri_read_next_header(pInt, &ulID); + if (retVal == HXR_OK) { + /* Make sure it's a data chunk */ + if (ulID == RM_DATA_OBJECT) { + /* Parse the data chunk header */ + retVal = rm_parseri_unpack_data_hdr(pInt, ulStreamNum); + if (retVal == HXR_OK) { + /* Initialize the minimum first packet timestamp */ + pInt->ulMinFirstPacketTime = 0xFFFFFFFF; + /* + * Now we will look at the first few packet headers + * until either we have seen at least one packet + * of each stream or we have verified that the + * minimum timestamp across all streams is 0. + * We will loop as though we will look at all + * packets, but we will break out long before that. + */ + for (i = 0; i < pInt->pDataHdr[ulStreamNum].num_pkts && retVal == HXR_OK; i++) { + retVal = rm_parseri_read_next_packet_header(pInt, &hdr); + if (retVal == HXR_OK) { + /* Translate the stream number */ + UINT32 ulStreamNum = rm_parseri_translate_stream_number(pInt, hdr.stream_num); + if (ulStreamNum != RM_NO_STREAM_SET) { + /* Save the first timestamp of each stream */ + if (!pInt->pStreamInfo[ulStreamNum].bSeenFirstPacketTimeStamp) { + pInt->pStreamInfo[ulStreamNum].ulLastTimeStamp = hdr.timestamp; + pInt->pStreamInfo[ulStreamNum].bSeenFirstPacketTimeStamp = TRUE; + /* Update the min first timestamp */ + if (hdr.timestamp < pInt->ulMinFirstPacketTime) { + pInt->ulMinFirstPacketTime = hdr.timestamp; + } + } + /* Check if we've seen the first timestamp of all streams */ + for (j = 0; j < pInt->ulNumStreams; j++) { + if (!pInt->pStreamInfo[ulStreamNum].bSeenFirstPacketTimeStamp) { + break; + } + } + /* + * Stop if we've seen a packet from each stream + * or if we've already seen a timestamp of 0. + */ + if (j == pInt->ulNumStreams || pInt->ulMinFirstPacketTime == 0) { + /* Re-init the last timestamp for each stream */ + for (j = 0; j < pInt->ulNumStreams; j++) { + pInt->pStreamInfo[j].ulLastTimeStamp = 0xFFFFFFFF; + pInt->pStreamInfo[j].ulLastRule = 0; + } + /* Seek back to right after the data chunk header */ + rm_parseri_file_seek(pInt, + pInt->pMediaPropsHdr[ulStreamNum].start_offset + + RM_PARSER_DATA_CHUNK_HEADER_SIZE, + HX_SEEK_ORIGIN_SET); + /* Break out of the packet loop */ + break; + } else { + /* + * We need to keep reading packets, so + * seek past the data of this packet. + */ + rm_parseri_file_seek(pInt, + hdr.length - hdr.header_len, + HX_SEEK_ORIGIN_CUR); + } + } else { + retVal = HXR_INVALID_FILE; + } + } + } + } + } else { + retVal = HXR_INVALID_FILE; + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_data_hdr(rm_parser_internal* pInt, UINT32 DataNum) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= RM_PARSER_DATA_CHUNK_HEADER_SIZE) { + /* Unpack the rm_data_hdr */ + pInt->pDataHdr[DataNum].id = rm_unpack32(&pBuf, &ulLen); + pInt->pDataHdr[DataNum].size = rm_unpack32(&pBuf, &ulLen); + pInt->pDataHdr[DataNum].version = rm_unpack16(&pBuf, &ulLen); + pInt->pDataHdr[DataNum].num_pkts = rm_unpack32(&pBuf, &ulLen); + pInt->pDataHdr[DataNum].next_data_hdr = rm_unpack32(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_pkt_hdr(rm_parser_internal* pInt, + struct rm_pkt_hdr* pPktHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= RM_PARSER_PACKET_HEADER_SIZE) { + /* Unpack the rm_pkt_hdr */ + pPktHdr->version = rm_unpack16(&pBuf, &ulLen); + pPktHdr->length = rm_unpack16(&pBuf, &ulLen); + pPktHdr->stream_num = rm_unpack16(&pBuf, &ulLen); + pPktHdr->timestamp = rm_unpack32(&pBuf, &ulLen); + pPktHdr->flags = rm_unpack16(&pBuf, &ulLen); + if (pPktHdr->version == 1) { + rm_parseri_file_read(pInt, 1, 0); + pPktHdr->header_len = 13; + if (pPktHdr->flags == 0) { + pPktHdr->flags = 2; + } + } else { + pPktHdr->header_len = 12; + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_index_hdr(rm_parser_internal* pInt, + struct rm_index_hdr* hdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && hdr) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= RM_PARSER_INDEX_HEADER_SIZE) { + /* Unpack the rm_index_hdr */ + hdr->id = rm_unpack32(&pBuf, &ulLen); + hdr->size = rm_unpack32(&pBuf, &ulLen); + hdr->version = rm_unpack16(&pBuf, &ulLen); + hdr->num_recs = rm_unpack32(&pBuf, &ulLen); + hdr->stream_num = rm_unpack16(&pBuf, &ulLen); + hdr->next_index_hdr = rm_unpack32(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_index_rec(rm_parser_internal* pInt, + struct rm_index_rec* rec) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && rec) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= RM_PARSER_INDEX_RECORD_SIZE) { + /* Unpack the rm_index_rec */ + rec->version = rm_unpack16(&pBuf, &ulLen); + rec->timestamp = rm_unpack32(&pBuf, &ulLen); + rec->offset = rm_unpack32(&pBuf, &ulLen); + rec->num_pkts = rm_unpack32(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_read_next_index_rec(rm_parser_internal* pInt, + struct rm_index_rec* rec) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && rec) { + UINT32 ulNumBytesRead = 0; + /* Change the error return */ + retVal = HXR_READ_ERROR; + /* Read the packet header into the read buffer */ + ulNumBytesRead = rm_parseri_file_read(pInt, RM_PARSER_INDEX_RECORD_SIZE, 0); + if (ulNumBytesRead == RM_PARSER_INDEX_RECORD_SIZE) { + /* Unpack the packet header */ + retVal = rm_parseri_unpack_index_rec(pInt, rec); + } + } + + return retVal; +} + +UINT32 rm_parseri_translate_stream_number(rm_parser_internal* pInt, UINT32 ulNum) +{ + UINT32 ulRet = RM_NO_STREAM_SET; + + if (pInt && pInt->pulStreamNumMap && ulNum < pInt->ulStreamNumMapSize) { + ulRet = pInt->pulStreamNumMap[ulNum]; + } + + return ulRet; +} + +UINT32 rm_parseri_get_stream_number(rm_parser_internal* pInt, UINT32 ulNum) +{ + UINT32 ulRet = 0; + + if (pInt && pInt->pulStreamNumMap) { + for (ulRet = 0; ulRet < pInt->ulStreamNumMapSize; ulRet++) { + if (pInt->pulStreamNumMap[ulRet] == ulNum) { + return ulRet; + } + } + } + ulRet = RM_NO_STREAM_SET; + return ulRet; +} + +HX_RESULT rm_parseri_create_all_stream_headers(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->ulNumStreams) { + UINT32 i = 0; + UINT32 ulSize = 0; + /* Clean up any existing stream headers */ + rm_parseri_cleanup_all_stream_headers(pInt); + /* Allocate memory for the stream header array */ + ulSize = pInt->ulNumStreams * sizeof(rm_stream_header); + pInt->pStreamHdr = (rm_stream_header*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pStreamHdr) { + /* NULL out the memory */ + memset(pInt->pStreamHdr, 0, ulSize); + /* Clear the return value */ + retVal = HXR_OK; + /* Create all stream headers */ + for (i = 0; i < pInt->ulNumStreams && retVal == HXR_OK; i++) { + retVal = rm_parseri_create_stream_header(pInt, i, &pInt->pStreamHdr[i]); + } + } + } + return retVal; +} + +HX_RESULT rm_parseri_create_stream_header(rm_parser_internal* pInt, UINT32 i, rm_stream_header* hdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pMediaPropsHdr && i < pInt->ulNumStreams && hdr) { + UINT32 ulNumProps = 0; + UINT32 ulSize = 0; + /* + * Count the number of properties. Passing in + * HXNULL and 0 means just count and don't set + * the properties + */ + ulNumProps = rm_parseri_count_set_stream_header_props(pInt, i, hdr, + HXNULL, 0); + if (ulNumProps) { + /* Compute the size of the array */ + ulSize = ulNumProps * sizeof(rm_property); + /* Allocate the array */ + hdr->pProperty = (rm_property*) rm_parseri_malloc(pInt, ulSize); + if (hdr->pProperty) { + /* NULL out the array */ + memset(hdr->pProperty, 0, ulSize); + /* Set the number of properties */ + hdr->ulNumProperties = ulNumProps; + /* Call again, but this time pass in array */ + rm_parseri_count_set_stream_header_props(pInt, i, hdr, + hdr->pProperty, + hdr->ulNumProperties); + /* + * Now set the properties for which we + * have dedicated convenience members. These + * are also duplicated in the rm_property array. + */ + hdr->ulStreamNumber = i; + hdr->ulMaxBitRate = pInt->pMediaPropsHdr[i].max_bit_rate; + hdr->ulAvgBitRate = pInt->pMediaPropsHdr[i].avg_bit_rate; + hdr->ulMaxPacketSize = pInt->pMediaPropsHdr[i].max_pkt_size; + hdr->ulAvgPacketSize = pInt->pMediaPropsHdr[i].avg_pkt_size; + hdr->ulDuration = pInt->pMediaPropsHdr[i].duration; + hdr->ulPreroll = pInt->pMediaPropsHdr[i].preroll; + hdr->ulStartTime = pInt->pMediaPropsHdr[i].start_time; + hdr->ulStartOffset = pInt->pMediaPropsHdr[i].start_offset; + if (pInt->ulInterleavedStreamsFlag) { + hdr->ulStreamSize = pInt->pDataHdr->size; + } else { + hdr->ulStreamSize = pInt->pDataHdr[i].size; + } + hdr->pMimeType = copy_string(pInt->pUserMem, pInt->fpMalloc, + (const char*) pInt->pMediaPropsHdr[i].mime_type); + hdr->pStreamName = copy_string(pInt->pUserMem, pInt->fpMalloc, + (const char*) pInt->pMediaPropsHdr[i].stream_name); + hdr->pOpaqueData = copy_buffer(pInt->pUserMem, pInt->fpMalloc, + pInt->pMediaPropsHdr[i].type_spec, + pInt->pMediaPropsHdr[i].type_spec_sz); + hdr->ulOpaqueDataLen = pInt->pMediaPropsHdr[i].type_spec_sz; + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + return retVal; +} + +void rm_parseri_cleanup_all_stream_headers(rm_parser_internal* pInt) +{ + if (pInt && pInt->pStreamHdr) { + /* Free the memory associated with each stream header */ + UINT32 i = 0; + for (i = 0; i < pInt->ulNumStreams; i++) { + rm_parseri_cleanup_stream_header(pInt, &pInt->pStreamHdr[i]); + } + /* Free the memory for the array */ + rm_parseri_free(pInt, pInt->pStreamHdr); + /* NULL out the pointer */ + pInt->pStreamHdr = HXNULL; + } +} + +void rm_parseri_cleanup_stream_header(rm_parser_internal* pInt, rm_stream_header* hdr) +{ + if (pInt && hdr) { + /* Free the mime type string */ + if (hdr->pMimeType) { + rm_parseri_free(pInt, hdr->pMimeType); + hdr->pMimeType = HXNULL; + } + /* Free the stream name string */ + if (hdr->pStreamName) { + rm_parseri_free(pInt, hdr->pStreamName); + hdr->pStreamName = HXNULL; + } + /* Free the opaque data buffer */ + if (hdr->pOpaqueData) { + rm_parseri_free(pInt, hdr->pOpaqueData); + hdr->pOpaqueData = HXNULL; + hdr->ulOpaqueDataLen = 0; + } + /* Do we have any properties? */ + if (hdr->pProperty) { + /* Clean up each individual rm_property */ + UINT32 i = 0; + for (i = 0; i < hdr->ulNumProperties; i++) { + rm_parseri_cleanup_rm_property(pInt, &hdr->pProperty[i]); + } + /* Free the memory for the property array */ + rm_parseri_free(pInt, hdr->pProperty); + /* Null out the pointer */ + hdr->pProperty = HXNULL; + hdr->ulNumProperties = 0; + } + } +} + +void rm_parseri_cleanup_all_data_headers(rm_parser_internal* pInt) +{ + if (pInt && pInt->pDataHdr) { + rm_parseri_free(pInt, pInt->pDataHdr); + pInt->pDataHdr = HXNULL; + } +} + +UINT32 rm_parseri_count_set_stream_header_props(rm_parser_internal* pInt, UINT32 i, + rm_stream_header* hdr, + rm_property* pProp, UINT32 ulNumProps) +{ + UINT32 ulRet = 0; + + if (pInt && i < pInt->ulNumStreams && hdr) { + /* Initialize some local variables used later */ + UINT32 ulDuration = pInt->pMediaPropsHdr[i].duration; + UINT32 ulPreroll = pInt->pMediaPropsHdr[i].preroll; + UINT32 ulStreamingPreroll = 0; + UINT32 ulOldPreroll = 0; + UINT32 ulPreDecBufSize = 0; + UINT32 ulPreDecBufTime = 0; + HXDOUBLE dPreDecBufSize = 0.0; + HXBOOL bIsVBR = (pInt->pMediaPropsHdr[i].max_bit_rate != + pInt->pMediaPropsHdr[i].avg_bit_rate ? TRUE : FALSE); + HXBOOL bHasPreDataProps = FALSE; + HXDOUBLE dPreData = 0.0; + UINT32 ulPreData = 0; + char* pASMRuleBook = HXNULL; + BYTE* pBuf = HXNULL; + UINT32 ulLen = 0; + BYTE ucRuleToFlag[8]; + /* Set/count the "StreamNumber" property */ + + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "StreamNumber", + RM_PROPERTY_TYPE_UINT32, (void*) i, 0); + } + ulRet++; + /* Set/count the "MaxBitRate" property */ + if (pInt->pMediaPropsHdr[i].max_bit_rate) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "MaxBitRate", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->pMediaPropsHdr[i].max_bit_rate, 0); + } + ulRet++; + } + /* Set/count the "AvgBitRate" property */ + if (pInt->pMediaPropsHdr[i].avg_bit_rate) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "AvgBitRate", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->pMediaPropsHdr[i].avg_bit_rate, 0); + } + ulRet++; + } + /* Set/count the "MaxPacketSize" property */ + if (pInt->pMediaPropsHdr[i].max_pkt_size) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "MaxPacketSize", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->pMediaPropsHdr[i].max_pkt_size, 0); + } + ulRet++; + } + /* Set/count the "AvgPacketSize" property */ + if (pInt->pMediaPropsHdr[i].avg_pkt_size) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "AvgPacketSize", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->pMediaPropsHdr[i].avg_pkt_size, 0); + } + ulRet++; + } + /* Set/count the "StartTime" property */ + if (pInt->pMediaPropsHdr[i].start_time) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "StartTime", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->pMediaPropsHdr[i].start_time, 0); + } + ulRet++; + } + /* Set/count the "MimeType" property */ + if (pInt->pMediaPropsHdr[i].mime_type) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "MimeType", + RM_PROPERTY_TYPE_CSTRING, + (void*) pInt->pMediaPropsHdr[i].mime_type, 0); + } + ulRet++; + } + /* Set/count the "StreamName" property */ + if (pInt->pMediaPropsHdr[i].stream_name) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "StreamName", + RM_PROPERTY_TYPE_CSTRING, + (void*) pInt->pMediaPropsHdr[i].stream_name, 0); + } + ulRet++; + } + /* Set/count the "OpaqueData" property */ + if (pInt->pMediaPropsHdr[i].type_spec) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "OpaqueData", + RM_PROPERTY_TYPE_BUFFER, + (void*) pInt->pMediaPropsHdr[i].type_spec, + pInt->pMediaPropsHdr[i].type_spec_sz); + } + ulRet++; + } + /* Set/count the "intrinsicDurationType" property */ + if (pInt->pStreamInfo[i].bIsRealAudio || + pInt->pStreamInfo[i].bIsRealVideo || + pInt->pStreamInfo[i].bIsRealEvent) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "intrinsicDurationType", + RM_PROPERTY_TYPE_CSTRING, + (void*) "intrinsicDurationContinuous", 0); + } + ulRet++; + } + /* Set/count the "EndTime" property */ + if (pInt->pMediaPropsHdr[i].duration > pInt->propHdr.duration) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "EndTime", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->propHdr.duration, 0); + } + ulRet++; + } + /* Set/count the "EndOneRuleEndAll" property */ + if (pInt->pStreamInfo[i].bIsRealAudio || + pInt->pStreamInfo[i].bIsRealVideo) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "EndOneRuleEndAll", + RM_PROPERTY_TYPE_UINT32, (void*) 1, 0); + } + ulRet++; + } + /* Set/count the "CanBeStoppedAnyTime" property */ + if (pInt->pStreamInfo[i].bIsRealEvent) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "CanBeStoppedAnyTime", + RM_PROPERTY_TYPE_UINT32, (void*) 1, 0); + } + ulRet++; + } + /* Do some adjustments to duration */ + if (pInt->pStreamInfo[i].bIsRealEvent) { + /* + * If this is an event stream, then set the stream duration + * to the maximum duration across all streams. + */ + ulDuration = pInt->ulMaxDuration; + } + /* Subtract off the min first packet time */ + if (ulDuration > pInt->ulMinFirstPacketTime) { + ulDuration -= pInt->ulMinFirstPacketTime; + } + /* Set/count the "Duration" property */ + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "Duration", + RM_PROPERTY_TYPE_UINT32, + (void*) ulDuration, 0); + } + ulRet++; + /* Do some adjustments to preroll values */ + if (pInt->pStreamInfo[i].bIsRealAudio) { + /* Save the preroll */ + ulOldPreroll = ulPreroll; + /* + * RealAudio streams need to have 2 superblocks as the preroll value. + * Encoders put one superblock duration as the preroll. + */ + ulPreroll = (ulPreroll ? ulPreroll * 2 : 6000); + } + if (pInt->pStreamInfo[i].bIsRealVideo || + pInt->pStreamInfo[i].bIsRealAudio) { + /* Compute the pre-decode buffer size */ + if (pInt->pStreamInfo[i].bIsRealVideo) { + /* For VBR stream, the PreDecBufTime is the same as the actual preroll */ + if (bIsVBR) { + ulPreDecBufTime = ulPreroll; + } + /* + * If actual preroll is less than 1 sec, set preroll + * and PreDecBufTime to 1 sec more than ActualPreroll + */ + if (ulPreroll < 1000) { + if (ulOldPreroll == 0) { + ulOldPreroll = ulPreroll; + } + ulPreroll += 1000; + if (!bIsVBR) { + ulPreDecBufTime = ulPreroll; + } + } else if (!bIsVBR) { + /* + * Otherwise for CBR set the PreDecBufTime to + * twice the actual preroll + */ + ulPreDecBufTime = ulPreroll * 2; + } + /* Now compute pre-decode buffer size, rounding up */ + dPreDecBufSize = (((HXDOUBLE) ulPreDecBufTime) * + ((HXDOUBLE) pInt->pMediaPropsHdr[i].max_bit_rate) + + 7999.0) / 8000.0; + ulPreDecBufSize = (UINT32) dPreDecBufSize; + } + /* + * Cap the preroll at 5000 ms. + * XXXMEH - this assumes local playback + */ + if (ulPreroll > 5000) { + if (!ulOldPreroll) { + ulOldPreroll = ulPreroll; + } + ulStreamingPreroll = ulPreroll; + ulPreroll = 5000; + } + } + /* Set/count the "Preroll" property */ + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "Preroll", + RM_PROPERTY_TYPE_UINT32, + (void*) ulPreroll, 0); + } + ulRet++; + /* Set/count the "ActualPreroll" property */ + if (ulOldPreroll) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "ActualPreroll", + RM_PROPERTY_TYPE_UINT32, + (void*) ulOldPreroll, 0); + } + ulRet++; + } + /* Set/count the "StreamingPreroll" property */ + if (ulStreamingPreroll) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "StreamingPreroll", + RM_PROPERTY_TYPE_UINT32, + (void*) ulStreamingPreroll, 0); + } + ulRet++; + } + /* Set/count the "X-PreDecBufSize" property */ + if (ulPreDecBufSize) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "X-PreDecBufSize", + RM_PROPERTY_TYPE_UINT32, + (void*) ulPreDecBufSize, 0); + } + ulRet++; + } + /* Create the ASM rule book string */ + pASMRuleBook = rm_parseri_create_asm_rulebook(pInt, + pInt->pStreamInfo[i].bIsRealVideo, + pInt->pStreamInfo[i].bIsRealEvent, + (pInt->pMediaPropsHdr[i].type_spec_sz ? TRUE : FALSE), + pInt->pMediaPropsHdr[i].max_bit_rate, + pInt->pMediaPropsHdr[i].avg_bit_rate, + &bHasPreDataProps); + if (pASMRuleBook) { + /* Set/count the "ASMRuleBook" property */ + if (pProp) { + /* Set it into the property */ + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "ASMRuleBook", + RM_PROPERTY_TYPE_CSTRING, + (void*) pASMRuleBook, 0); + } + ulRet++; + } + /* Free the string */ + free_string(pInt->pUserMem, pInt->fpFree, &pASMRuleBook); + /* Set/count the pre-data related properties */ + if (bHasPreDataProps) { + dPreData = ((HXDOUBLE) ulPreroll) * + ((HXDOUBLE) pInt->pMediaPropsHdr[i].max_bit_rate) / + 8000.0; + ulPreData = (UINT32)(dPreData + 0.5); + if (ulPreData) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "PreData", + RM_PROPERTY_TYPE_UINT32, + (void*) ulPreData, 0); + rm_parseri_set_rm_property(pInt, &pProp[ulRet + 1], "PreDataAtStart", + RM_PROPERTY_TYPE_UINT32, (void*) 1, 0); + rm_parseri_set_rm_property(pInt, &pProp[ulRet + 2], "PreDataAfterSeek", + RM_PROPERTY_TYPE_UINT32, (void*) 1, 0); + rm_parseri_set_rm_property(pInt, &pProp[ulRet + 3], "PrerollAfterSeek", + RM_PROPERTY_TYPE_UINT32, (void*) 1, 0); + } + ulRet += 4; + } + } + /* Set/count the "RMFF 1.0 Flags" property */ + if (pInt->pStreamInfo[i].bIsRealVideo || + pInt->pStreamInfo[i].bIsRealEvent || + pInt->pMediaPropsHdr[i].type_spec_sz) { + if (pProp) { + if (pInt->pStreamInfo[i].bIsRealVideo) { + /* + * For video streams, we will set 3 rules. Rule 0 + * is a keyframe rule, rule 1 is a non-keyframe rule, + * and rule 2 is a keyframe (thinning) rule. + */ + BYTE* pBuf = &ucRuleToFlag[0]; + UINT32 ulLen = 8; + rm_pack16(3, &pBuf, &ulLen); + rm_pack16(HX_KEYFRAME_FLAG, &pBuf, &ulLen); + rm_pack16(0, &pBuf, &ulLen); + rm_pack16(HX_KEYFRAME_FLAG, &pBuf, &ulLen); + /* Set the property */ + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "RMFF 1.0 Flags", + RM_PROPERTY_TYPE_BUFFER, + (void*) &ucRuleToFlag[0], 8); + } else if (pInt->pStreamInfo[i].bIsRealEvent || + pInt->pMediaPropsHdr[i].type_spec_sz) { + /* + * For non-video streams, we will set 2 rules. Rule 0 + * is a keyframe rule, rule 1 is a non-keyframe rule. + */ + BYTE* pBuf = &ucRuleToFlag[0]; + UINT32 ulLen = 8; + rm_pack16(2, &pBuf, &ulLen); + rm_pack16(HX_KEYFRAME_FLAG, &pBuf, &ulLen); + rm_pack16(0, &pBuf, &ulLen); + /* Set the property */ + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "RMFF 1.0 Flags", + RM_PROPERTY_TYPE_BUFFER, + (void*) &ucRuleToFlag[0], 6); + } + } + ulRet++; + } + } + return ulRet; +} + +char* rm_parseri_create_asm_rulebook(rm_parser_internal* pInt, HXBOOL bIsRealVideo, + HXBOOL bIsRealEvent, HXBOOL bHasOpaqueData, + UINT32 ulMaxBitRate, UINT32 ulAvgBitRate, + HXBOOL* pbHasPreDataProps) +{ + char* pRet = HXNULL; + + if (pInt && pbHasPreDataProps) { + HXBOOL bIsVBR = (ulMaxBitRate != ulAvgBitRate ? TRUE : FALSE); + /* Allocate the output buffer */ + pRet = (char*) rm_parseri_malloc(pInt, RM_PARSER_RULE_BOOK_BUFFER_SIZE); + if (pRet) { + /* Is this a RealVideo stream? */ + if (bIsRealVideo) { + /* Is this VBR? */ + if (bIsVBR) { + if (ulMaxBitRate) { + /* VBR RealVideo with max_bit_rate != 0 */ + strcpy(pRet, g_pszRuleBook[0]);//, 9, ulAvgBitRate, ulMaxBitRate, 5); + } else { + /* VBR RealVideo with max_bit_rate == 0 */ + strcpy(pRet, g_pszRuleBook[1]);//, 9, ulAvgBitRate, 5); + } + /* Set the PreData flag */ + *pbHasPreDataProps = TRUE; + } else { + /* CBR video */ + strcpy(pRet, g_pszRuleBook[5]);//, ulAvgBitRate, ulAvgBitRate, + // ulAvgBitRate, ulAvgBitRate); + } + } else if (bIsRealEvent || bHasOpaqueData) { + /* This is most likely an event or audio stream */ + if (bIsRealEvent) { + /* RealEvent stream */ + strcpy(pRet, g_pszRuleBook[6]); + } else if (bIsVBR) { + /* Most likely an audio stream */ + if (ulMaxBitRate) { + /* VBR RealAudio with max_bit_rate != 0 */ + strcpy(pRet, g_pszRuleBook[0]);//, 5, ulAvgBitRate, ulMaxBitRate, 5); + } else { + /* VBR RealAudio with max_bit_rate == 0 */ + strcpy(pRet, g_pszRuleBook[1]);//, 5, ulAvgBitRate, 5); + } + /* Set the PreData flag */ + *pbHasPreDataProps = TRUE; + } else { + /* CBR RealAudio */ + strcpy(pRet, g_pszRuleBook[7]);//, ulAvgBitRate); + } + } else { + /* Non-RealAudio/RealVideo/RealEvent streams */ + if (bIsVBR) { + if (ulMaxBitRate) { + strcpy(pRet, g_pszRuleBook[2]);//, ulAvgBitRate, ulMaxBitRate); + } else if (ulAvgBitRate) { + strcpy(pRet, g_pszRuleBook[3]);//, ulAvgBitRate); + } else { + strcpy(pRet, g_pszRuleBook[4]); + } + } else { + /* CBR Non-RealAudio/RealVideo/RealEvent streams */ + strcpy(pRet, g_pszRuleBook[8]);//, ulAvgBitRate); + } + } + } + } + + return pRet; +} + +HX_RESULT rm_parseri_read_next_packet(rm_parser_internal* pInt, rm_packet** ppPacket) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && ppPacket) { + /* Make sure we're still in the range of the data chunk */ + if (pInt->ulCurFileOffset < pInt->pMediaPropsHdr[pInt->ulCurrentStream].start_offset + pInt->pDataHdr[pInt->ulCurrentStream].size) { + /* More packets to go - read the next one */ + struct rm_pkt_hdr hdr; + rm_packet* pPacket = HXNULL; + UINT32 ulStreamNum = 0; + UINT32 ulASMRule = 0; + UINT32 ulASMFlags = 0; + UINT32 ulLastPacketTime = 0; + UINT32 ulLastRule = 0; + UINT32 ulBytesRead = 0; + UINT32 ulDataSize = 0; + UINT32 ulPacketOffset = 0; + HXBOOL bSkipPacket = FALSE; + do { + retVal = rm_parseri_read_next_packet_header(pInt, &hdr); + if (retVal == HXR_OK) { + /* Assume the worst */ + retVal = HXR_FAIL; + /* Translate the stream number */ + ulStreamNum = rm_parseri_translate_stream_number(pInt, hdr.stream_num); + if (ulStreamNum != RM_NO_STREAM_SET) { + /* Get the rm_stream_info for this stream */ + struct rm_stream_info* pInfo = &pInt->pStreamInfo[ulStreamNum]; + if (pInfo) { + /* Clear the return value */ + retVal = HXR_OK; + /* Are we currently looking for keyframes? */ + if (pInt->ulKeyframesNeeded) { + /* + * Is this a keyframe, and do we need a keyframe + * for this stream? + */ + if (!pInfo->bNeedKeyframe || + ((hdr.flags & HX_KEYFRAME_FLAG) && + (!pInfo->keyFramePacket.bValid || + hdr.timestamp >= pInfo->keyFramePacket.ulTimestamp))) { + if (pInfo->bNeedKeyframe) { + pInfo->bNeedKeyframe = FALSE; + pInt->ulKeyframesNeeded--; + } + bSkipPacket = FALSE; + } else { + /* + * We need keyframes for this stream and + * this is not a keyframe. + */ + bSkipPacket = TRUE; + /* Seek past the data of this packet */ + rm_parseri_file_seek(pInt, + hdr.length - hdr.header_len, + HX_SEEK_ORIGIN_CUR); + } + } else { + bSkipPacket = FALSE; + } + } + } else { + /* Got a stream number we didn't expect */ + retVal = HXR_CORRUPT_FILE; + /* Call back to error interface */ + rm_parseri_error(pInt, retVal, "Unexpected stream number in packet."); + } + } + } while (HX_SUCCEEDED(retVal) && bSkipPacket); + /* Have we found a packet? */ + if (HX_SUCCEEDED(retVal)) { + /* Get the last packet time and rule for this stream */ + ulLastPacketTime = pInt->pStreamInfo[ulStreamNum].ulLastTimeStamp; + ulLastRule = pInt->pStreamInfo[ulStreamNum].ulLastRule; + /* Determine the ASM rules and flags */ + if (pInt->pStreamInfo[ulStreamNum].bIsRealVideo) { + /* + * If the time stamp for this packet is different from + * the timestamp of the next packet and either this packet + * is a keyframe or the last packet was a keyframe we can + * switch on this packet + */ + if (hdr.timestamp != ulLastPacketTime && + (hdr.flags & HX_KEYFRAME_FLAG || + ulLastRule == HX_KEYFRAME_RULE || + ulLastRule == HX_THINNING_RULE)) { + ulASMFlags = HX_ASM_SWITCH_ON | HX_ASM_SWITCH_OFF; + } else if (hdr.timestamp != ulLastPacketTime) { + /* If this is part of a different frame, we can switch off */ + ulASMFlags = HX_ASM_SWITCH_OFF; + } else { + /* + * If this packet has the same timestamp as the previous + * packet we cannot switch on or switch off here. + */ + ulASMFlags = 0; + } + /* Assign the ASM rule */ + ulASMRule = (hdr.flags & HX_KEYFRAME_FLAG ? HX_KEYFRAME_RULE : HX_NONKEYFRAME_RULE); + } else if (pInt->pStreamInfo[ulStreamNum].bIsRealAudio) { + /* + * For audio, the first block of the super block and the second block + * of the super block are ON since the first block and the second block + * are the first packets on their respective rule numbers + */ + if (hdr.flags & HX_KEYFRAME_FLAG || ulLastRule == HX_KEYFRAME_RULE) { + ulASMFlags = HX_ASM_SWITCH_ON | HX_ASM_SWITCH_OFF; + } else { + ulASMFlags = HX_ASM_SWITCH_OFF; + } + /* Assign the ASM rule */ + ulASMRule = (hdr.flags & HX_KEYFRAME_FLAG ? HX_KEYFRAME_RULE : HX_NONKEYFRAME_RULE); + } else { + /* Assign the ASM flags */ + ulASMFlags = HX_ASM_SWITCH_OFF; + ulASMFlags |= (hdr.flags & HX_KEYFRAME_FLAG ? HX_ASM_SWITCH_ON : 0); + /* Is this an event stream or file version 0? */ + if (pInt->pStreamInfo[ulStreamNum].bIsRealEvent || + pInt->fileHdr.file_version == 0) { + ulASMRule = (hdr.flags & HX_KEYFRAME_FLAG ? HX_KEYFRAME_RULE : HX_NONKEYFRAME_RULE); + } else { + /* + * In case of non-RM streams version 1 or later, the rule + * number is recorded directly into the upper 8 bits of the + * flags field (packet_group) + */ + ulASMRule = (UINT32)((hdr.flags >> 8) & 0x00FF); + } + } + /* Set the return value */ + retVal = HXR_OUTOFMEMORY; + /* Allocate space for the rm_packet */ + pPacket = (rm_packet*) rm_parseri_malloc(pInt, sizeof(rm_packet)); + if (pPacket) { + /* NULL out the packet */ + memset(pPacket, 0, sizeof(rm_packet)); + /* Compute the data size */ + ulDataSize = hdr.length - hdr.header_len; + /* Allocate space for the data */ + pPacket->pData = (BYTE*) rm_parseri_malloc(pInt, ulDataSize); + if (pPacket->pData) { + /* Read the data into the buffer */ + ulBytesRead = rm_parseri_file_read_buffer(pInt, pPacket->pData, ulDataSize); + if (ulBytesRead == ulDataSize) { + /* Assign the packet parameters */ + pPacket->ulTime = hdr.timestamp; + pPacket->usStream = (UINT16) ulStreamNum; + pPacket->usASMFlags = (UINT16) ulASMFlags; + pPacket->ucASMRule = (BYTE) ulASMRule; + pPacket->ucLost = FALSE; + pPacket->usDataLen = (UINT16) ulDataSize; + /* Update the last timestamp and rule */ + pInt->pStreamInfo[ulStreamNum].ulLastTimeStamp = hdr.timestamp; + pInt->pStreamInfo[ulStreamNum].ulLastRule = ulASMRule; + /* Compute the file offset of this packet */ + ulPacketOffset = pInt->ulCurFileOffset - + ulDataSize - hdr.header_len; + /* Update the seek table */ + rm_parseri_update_seek_table(pInt, + ulStreamNum, + hdr.timestamp, + ulPacketOffset, + hdr.flags); + /* Assign the out parameter */ + *ppPacket = pPacket; + /* Clear the return value */ + retVal = HXR_OK; + } else { + /* Could not read packet data */ + retVal = HXR_READ_ERROR; + /* Call back to error interface */ + rm_parseri_error(pInt, retVal, "Could not read packet data."); + } + } + if (retVal != HXR_OK) { + /* Free the packet data */ + if (pPacket->pData) { + rm_parseri_free(pInt, pPacket->pData); + pPacket->pData = HXNULL; + } + /* Free the packet */ + rm_parseri_free(pInt, pPacket); + pPacket = HXNULL; + } + } + } + } else { + /* We are finished reading packets from this chunk */ + retVal = HXR_AT_END; + } + } + + return retVal; +} + +UINT32 rm_parseri_file_read(rm_parser_internal* pInt, UINT32 ulBytesToRead, UINT32 ulReadBufferOffset) +{ + UINT32 ulRet = 0; + // DataSrc_t *ds = pInt->pUserRead; + UINT8 err; + + if (pInt && pInt->fpRead) { + /* Make sure our read buffer is big enough */ + HX_RESULT rv = rm_enforce_buffer_min_size(pInt->pUserMem, + pInt->fpMalloc, + pInt->fpFree, + &pInt->pReadBuffer, + &pInt->ulReadBufferSize, + ulReadBufferOffset + ulBytesToRead); + if (rv == HXR_OK) { + // if (ds&&ds->streaming_sem) + // AVMutexPend(ds->streaming_sem, 0, &err); + /* Seek the file */ + pInt->fpSeek(pInt->pUserRead, pInt->ulCurFileOffset, HX_SEEK_ORIGIN_SET); + /* Read in ulBytesToRead bytes */ + ulRet = pInt->fpRead(pInt->pUserRead, + pInt->pReadBuffer + ulReadBufferOffset, + ulBytesToRead); + /* Save the number of bytes in read buffer */ + pInt->ulNumBytesRead = ulRet + ulReadBufferOffset; + /* Advance the current file offset */ + pInt->ulCurFileOffset += ulRet; + // if (ds&&ds->streaming_sem) + // AVMutexPost(ds->streaming_sem); + } + } + + return ulRet; +} + +UINT32 rm_parseri_file_read_buffer(rm_parser_internal* pInt, BYTE* pBuf, UINT32 ulBytesToRead) +{ + UINT32 ulRet = 0; + // DataSrc_t *ds = pInt->pUserRead; + UINT8 err; + + if (pInt && pInt->fpRead) { + // if (ds&&ds->streaming_sem) + // AVMutexPend(ds->streaming_sem, 0, &err); + /* Seek the file */ + pInt->fpSeek(pInt->pUserRead, pInt->ulCurFileOffset, HX_SEEK_ORIGIN_SET); + /* Read in ulBytesToRead bytes */ + ulRet = pInt->fpRead(pInt->pUserRead, pBuf, ulBytesToRead); + /* Advance the current file offset */ + pInt->ulCurFileOffset += ulRet; + // if (ds&&ds->streaming_sem) + // AVMutexPost(ds->streaming_sem); + } + + return ulRet; +} + +void rm_parseri_file_seek(rm_parser_internal* pInt, UINT32 ulOffset, UINT32 ulOrigin) +{ + if (pInt && pInt->fpSeek) { + /* Seek the file */ + pInt->fpSeek(pInt->pUserRead, ulOffset, ulOrigin); + /* Update the current file offset */ + if (ulOrigin == HX_SEEK_ORIGIN_SET) { + pInt->ulCurFileOffset = ulOffset; + } else if (ulOrigin == HX_SEEK_ORIGIN_CUR) { + pInt->ulCurFileOffset += ulOffset; + } else if (ulOrigin == HX_SEEK_ORIGIN_END) { + /* + * XXXMEH - don't know file size, so not sure what to do here. + * We could require ftell-like functionality, or we could + * require some type of fstat-like functionality. + */ + rm_parseri_error(pInt, HXR_NOT_SUPPORTED, "File seek with end origin attempted - not suported."); + } + } +} + +void rm_parseri_set_stream_size(rm_parser_internal* pInt, UINT32 stream_size) +{ + if (pInt) { + UINT32 i = 0; + for (i = 0; i < pInt->ulNumStreams; i++) { + if (pInt->pStreamHdr[i].ulStreamSize == RM_PARSER_DATA_CHUNK_HEADER_SIZE) { + pInt->pStreamHdr[i].ulStreamSize = stream_size; + } + if (pInt->pDataHdr[i].size == RM_PARSER_DATA_CHUNK_HEADER_SIZE) { + pInt->pDataHdr[i].size = stream_size; + } + } + } +} + +HX_RESULT rm_parseri_copy_stream_header(rm_parser_internal* pInt, UINT32 i, rm_stream_header* pHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pHdr && i < pInt->ulNumStreams && pInt->pStreamHdr) { + UINT32 j = 0; + UINT32 ulSize = 0; + /* Clean up any existing header */ + rm_parseri_cleanup_stream_header(pInt, pHdr); + /* Copy the hard-coded members */ + pHdr->ulStreamNumber = pInt->pStreamHdr[i].ulStreamNumber; + pHdr->ulMaxBitRate = pInt->pStreamHdr[i].ulMaxBitRate; + pHdr->ulAvgBitRate = pInt->pStreamHdr[i].ulAvgBitRate; + pHdr->ulMaxPacketSize = pInt->pStreamHdr[i].ulMaxPacketSize; + pHdr->ulAvgPacketSize = pInt->pStreamHdr[i].ulAvgPacketSize; + pHdr->ulDuration = pInt->pStreamHdr[i].ulDuration; + pHdr->ulPreroll = pInt->pStreamHdr[i].ulPreroll; + pHdr->ulStartTime = pInt->pStreamHdr[i].ulStartTime; + pHdr->ulStartOffset = pInt->pStreamHdr[i].ulStartOffset; + pHdr->ulStreamSize = pInt->pStreamHdr[i].ulStreamSize; + pHdr->pMimeType = copy_string(pInt->pUserMem, pInt->fpMalloc, + pInt->pStreamHdr[i].pMimeType); + pHdr->pStreamName = copy_string(pInt->pUserMem, pInt->fpMalloc, + pInt->pStreamHdr[i].pStreamName); + pHdr->pOpaqueData = copy_buffer(pInt->pUserMem, pInt->fpMalloc, + pInt->pStreamHdr[i].pOpaqueData, + pInt->pStreamHdr[i].ulOpaqueDataLen); + if ((!pInt->pStreamHdr[i].pMimeType || pHdr->pMimeType) && + (!pInt->pStreamHdr[i].pStreamName || pHdr->pStreamName) && + (!pInt->pStreamHdr[i].pOpaqueData || pHdr->pOpaqueData)) { + /* Copy the properties array */ + if (pInt->pStreamHdr[i].ulNumProperties && + pInt->pStreamHdr[i].pProperty) { + /* Allocate space for the property array */ + ulSize = pInt->pStreamHdr[i].ulNumProperties * sizeof(rm_property); + pHdr->pProperty = (rm_property*) rm_parseri_malloc(pInt, ulSize); + if (pHdr->pProperty) { + /* NULL out the array */ + memset(pHdr->pProperty, 0, ulSize); + /* Copy each of the properties */ + retVal = HXR_OK; + for (j = 0; j < pInt->pStreamHdr[i].ulNumProperties && retVal == HXR_OK; j++) { + retVal = rm_parseri_set_rm_property(pInt, &pHdr->pProperty[j], + pInt->pStreamHdr[i].pProperty[j].pName, + pInt->pStreamHdr[i].pProperty[j].ulType, + (void*) pInt->pStreamHdr[i].pProperty[j].pValue, + pInt->pStreamHdr[i].pProperty[j].ulValueLen); + } + if (retVal == HXR_OK) { + /* Assign the number of properties */ + pHdr->ulNumProperties = pInt->pStreamHdr[i].ulNumProperties; + } + } + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_update_seek_table(rm_parser_internal* pInt, UINT32 ulStreamNum, + UINT32 ulTime, UINT32 ulOffset, UINT32 ulFlags) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pStreamInfo && ulStreamNum < pInt->ulNumStreams) { + struct rm_seek_table* pTable = &pInt->pStreamInfo[ulStreamNum].seekTable; + if (pTable) { + /* Was this a keyframe packet? */ + if (ulFlags & HX_KEYFRAME_FLAG) { + /* Do we have space left in the table? */ + if (pTable->pEntry && pTable->ulNumEntries < pTable->ulMaxEntries) { + /* + * If this is the first entry; or if this + * time is at least ulTimeGranularity greater + * than the last time added, then make an entry. + */ + if (!pTable->ulNumEntries || + (ulTime > pTable->ulLastTime && + ulTime - pTable->ulLastTime > pTable->ulTimeGranularity)) { + /* Update the last time */ + pTable->ulLastTime = ulTime; + /* Update the time range this table covers */ + if (ulTime > pTable->ulRangeTime) { + pTable->ulRangeTime = ulTime; + } + /* Make the new entry */ + pTable->pEntry[pTable->ulNumEntries].ulTime = ulTime; + pTable->pEntry[pTable->ulNumEntries].ulOffset = ulOffset; + /* Increment the number of entries */ + pTable->ulNumEntries++; + /* Clear the return value */ + retVal = HXR_OK; + } + } + } else { + /* + * This is not a keyframe, so we don't have to + * make an entry in the table, but we do need to + * update the time range that it covers. + */ + if (ulTime > pTable->ulRangeTime) { + pTable->ulRangeTime = ulTime; + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_update_time_range(rm_parser_internal* pInt, UINT32 ulStreamNum, + UINT32 ulTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pStreamInfo && ulStreamNum < pInt->ulNumStreams) { + /* Get the seek table for this stream */ + struct rm_seek_table* pTable = &pInt->pStreamInfo[ulStreamNum].seekTable; + if (pTable) { + /* Update the time range this table covers */ + if (ulTime > pTable->ulRangeTime) { + pTable->ulRangeTime = ulTime; + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_search_all_seek_tables(rm_parser_internal* pInt, UINT32 ulSeekTime, + UINT32* pulFoundTime, UINT32* pulFoundOffset) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pulFoundTime && pulFoundOffset && + pInt->ulNumStreams && pInt->pStreamInfo) { + /* Initialize local variables */ + UINT32 ulMaxTime = 0; + UINT32 ulMaxOffset = 0; + UINT32 i = 0; + UINT32 pulFoundIndex; + HX_RESULT status = HXR_FAIL; + /* Search the streams */ + for (i = 0; i < pInt->ulNumStreams; i++) { + /* Get the stream info struct */ + struct rm_stream_info* pInfo = &pInt->pStreamInfo[i]; + if (pInfo) { + status = rm_parseri_search_seek_table(&pInfo->seekTable, + ulSeekTime, + 0, + &pInfo->keyFramePacket.ulTimestamp, + &pInfo->keyFramePacket.ulFileOffset, + &pulFoundIndex); + if (status == HXR_OK) { + pInfo->keyFramePacket.bValid = TRUE; + if (pInfo->keyFramePacket.ulTimestamp > ulMaxTime) { + ulMaxTime = pInfo->keyFramePacket.ulTimestamp; + } + if (pInfo->keyFramePacket.ulFileOffset > ulMaxOffset) { + ulMaxOffset = pInfo->keyFramePacket.ulFileOffset; + } + } + /* + * If at least one stream succeeds, the overall search + * succeeds. Note that rm_parseri_search_seek_table() can + * return either HXR_AT_END or HXR_OK, both of which + * return HX_SUCCEEDED() == TRUE. That's why we have to + * specifically check for status == HXR_OK, as opposed + * to just HX_SUCCEEDED(status). + */ + if (HX_FAILED(retVal) || + (HX_SUCCEEDED(retVal) && status == HXR_OK)) { + retVal = status; + } + } + } + if (HX_SUCCEEDED(retVal)) { + *pulFoundTime = ulMaxTime; + *pulFoundOffset = ulMaxOffset; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_search_seek_tables(rm_parser_internal* pInt, INT32 lStreamNumber, UINT32 ulSeekTime, INT32 lDirection, + UINT32* pulFoundTime, UINT32* pulFoundOffset, UINT32* pulFoundIndex) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pulFoundTime && pulFoundOffset && + pInt->ulNumStreams && pInt->pStreamInfo) { + /* Initialize local variables */ + UINT32 ulMinTime = 0xffffffff; + UINT32 ulMinOffset = 0xffffffff; + UINT32 i = 0; + HX_RESULT status = HXR_FAIL; + struct rm_stream_info* pInfo = &pInt->pStreamInfo[lStreamNumber]; + /* Search the streams */ + { + /* Get the stream info struct */ + if (pInfo) { + retVal = rm_parseri_search_seek_table(&pInfo->seekTable, + ulSeekTime, + lDirection, + &pInfo->keyFramePacket.ulTimestamp, + &pInfo->keyFramePacket.ulFileOffset, + pulFoundIndex); + if (retVal == HXR_OK) { + pInfo->keyFramePacket.bValid = TRUE; + } + } + } + if (retVal == HXR_OK) { + *pulFoundTime = pInfo->keyFramePacket.ulTimestamp; + *pulFoundOffset = pInfo->keyFramePacket.ulFileOffset; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_search_seek_table(struct rm_seek_table* pTable, UINT32 ulSeekTime, INT32 lDirection, + UINT32* pulFoundTime, UINT32* pulFoundOffset, UINT32 *pulFoundIndex) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pTable && pulFoundTime && pulFoundOffset && pTable->ulNumEntries) { + /* Estimate index to seek from */ + UINT32 ulTableIdx = ulSeekTime / pTable->ulTimeGranularity; + /* + * If we've over-estimated, set the index at the + * last entry in the table. + */ + if (ulTableIdx >= pTable->ulNumEntries) { + ulTableIdx = pTable->ulNumEntries - 1; + } + /* Scan forward in the table */ + while (((ulTableIdx + 1) < (pTable->ulNumEntries - 1)) && + (pTable->pEntry[ulTableIdx + 1].ulTime < ulSeekTime)) { + ulTableIdx++; + } + /* Scan backwards in the table */ + while ((ulTableIdx > 0) && + (pTable->pEntry[ulTableIdx].ulTime > ulSeekTime)) { + ulTableIdx--; + } + if (lDirection) { + if ((lDirection > 0) && (ulTableIdx < pTable->ulNumEntries - 1)) { + ulTableIdx++; + } else if ((lDirection < 0) && (ulTableIdx > 0)) { + ulTableIdx--; + } + } + /* Report results */ + *pulFoundTime = pTable->pEntry[ulTableIdx].ulTime; + *pulFoundOffset = pTable->pEntry[ulTableIdx].ulOffset; + /* Set the return value */ + retVal = (ulSeekTime > pTable->ulRangeTime ? HXR_AT_END : HXR_OK); + } + + return retVal; +} + +HX_RESULT rm_parseri_search_index_chunk(rm_parser_internal* pInt, UINT32 ulSeekTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->propHdr.index_offset && pInt->pStreamInfo && + pInt->ulNumStreams) { + /* Initialize local variables */ + struct rm_index_hdr hdr; + struct rm_index_rec rec; + UINT32 ulChunkID = 0; + UINT32 ulStreamNum = 0; + UINT32 i = 0; + UINT32 ulIndexOffset = pInt->propHdr.index_offset; + /* Mark all keyframe packets as invalid */ + for (i = 0; i < pInt->ulNumStreams; i++) { + pInt->pStreamInfo[i].keyFramePacket.bValid = FALSE; + } + /* Clear the return value */ + retVal = HXR_OK; + /* Loop through all the index chunks */ + while (HX_SUCCEEDED(retVal) && + ulIndexOffset && + !rm_parseri_is_all_keyframes_found(pInt)) { + /* Seek the file to the next index chunk */ + rm_parseri_file_seek(pInt, ulIndexOffset, HX_SEEK_ORIGIN_SET); + /* Read the index header */ + retVal = rm_parseri_read_next_header(pInt, &ulChunkID); + if (retVal == HXR_OK) { + /* Assume the worst */ + retVal = HXR_FAIL; + /* Make sure this is an INDX header */ + if (ulChunkID == RM_INDEX_OBJECT) { + /* Parse the index header */ + retVal = rm_parseri_unpack_index_hdr(pInt, &hdr); + if (retVal == HXR_OK) { + /* + * Translate the stream number. If the + * stream number doesn't translate, then + * we will not consider it an error - we'll + * just go on to the next index chunk. + */ + ulStreamNum = rm_parseri_translate_stream_number(pInt, hdr.stream_num); + if (ulStreamNum != RM_NO_STREAM_SET) { + /* Get the rm_keyframe_packet struct */ + struct rm_keyframe_packet* pKey = + &pInt->pStreamInfo[ulStreamNum].keyFramePacket; + /* Read all the index records in this chunk */ + for (i = 0; i < hdr.num_recs && retVal == HXR_OK; i++) { + retVal = rm_parseri_read_next_index_rec(pInt, &rec); + if (retVal == HXR_OK) { + /* + * Set this record into the on-the-fly + * seek table. + */ + rm_parseri_update_seek_table(pInt, + ulStreamNum, + rec.timestamp, + rec.offset, + HX_KEYFRAME_FLAG); + /* + * Is the timestamp of the record + * greater than or equal to the seek time? + */ + if (rec.timestamp >= ulSeekTime) { + /* Do we have a valid keyframe for this stream? */ + if (!pKey->bValid) { + pKey->bValid = TRUE; + pKey->ulFileOffset = rec.offset; + pKey->ulTimestamp = rec.timestamp; + } + /* + * Now we can stop looking at index records + * for this stream + */ + break; + } else { + /* Save the keyframe info */ + pKey->bValid = TRUE; + pKey->ulFileOffset = rec.offset; + pKey->ulTimestamp = rec.timestamp; + } + } + } + } + /* + * Set the next index header. If there are + * no more index chunks, next_index_hdr will + * be zero. + */ + ulIndexOffset = hdr.next_index_hdr; + } + } + } + } + /* Find the first keyframe */ + if (HX_SUCCEEDED(retVal)) { + retVal = rm_parseri_find_first_keyframe(pInt); + } + } + + return retVal; +} + +HX_RESULT rm_parseri_build_seek_table(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + // not support seek without Interleaved Streams now + if (pInt->ulInterleavedStreamsFlag == 0) { + return HXR_FAIL; + } + + if (pInt && pInt->propHdr.index_offset && pInt->pStreamInfo && + pInt->ulNumStreams) { + /* Initialize local variables */ + struct rm_index_hdr hdr; + struct rm_index_rec rec; + UINT32 ulChunkID = 0; + UINT32 ulStreamNum = 0; + UINT32 i = 0; + UINT32 ulIndexOffset = pInt->propHdr.index_offset; + /* Mark all keyframe packets as invalid */ + for (i = 0; i < pInt->ulNumStreams; i++) { + pInt->pStreamInfo[i].keyFramePacket.bValid = FALSE; + } + /* Clear the return value */ + retVal = HXR_OK; + /* Loop through all the index chunks */ + while (HX_SUCCEEDED(retVal) && + ulIndexOffset && + !rm_parseri_is_all_keyframes_found(pInt)) { + /* Seek the file to the next index chunk */ + rm_parseri_file_seek(pInt, ulIndexOffset, HX_SEEK_ORIGIN_SET); + /* Read the index header */ + retVal = rm_parseri_read_next_header(pInt, &ulChunkID); + if (retVal == HXR_OK) { + /* Assume the worst */ + retVal = HXR_FAIL; + /* Make sure this is an INDX header */ + if (ulChunkID == RM_INDEX_OBJECT) { + /* Parse the index header */ + retVal = rm_parseri_unpack_index_hdr(pInt, &hdr); + if (retVal == HXR_OK) { + /* + * Translate the stream number. If the + * stream number doesn't translate, then + * we will not consider it an error - we'll + * just go on to the next index chunk. + */ + ulStreamNum = rm_parseri_translate_stream_number(pInt, hdr.stream_num); + if (ulStreamNum != RM_NO_STREAM_SET) { + /* Get the rm_keyframe_packet struct */ + struct rm_keyframe_packet* pKey = + &pInt->pStreamInfo[ulStreamNum].keyFramePacket; + /* Read all the index records in this chunk */ + for (i = 0; i < hdr.num_recs && retVal == HXR_OK; i++) { + retVal = rm_parseri_read_next_index_rec(pInt, &rec); + if (retVal == HXR_OK) { + /* + * Set this record into the on-the-fly + * seek table. + */ + rm_parseri_update_seek_table(pInt, + ulStreamNum, + rec.timestamp, + rec.offset, + HX_KEYFRAME_FLAG); + { + /* Save the keyframe info */ + pKey->bValid = TRUE; + pKey->ulFileOffset = rec.offset; + pKey->ulTimestamp = rec.timestamp; + } + } + } + } + /* + * Set the next index header. If there are + * no more index chunks, next_index_hdr will + * be zero. + */ + ulIndexOffset = hdr.next_index_hdr; + } + } + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_seek(rm_parser_internal* pInt, UINT32 ulSeekTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->ulNumStreams && pInt->pStreamInfo) { + /* Initialize local variables */ + UINT32 i = 0; + HX_RESULT status = HXR_OK; + UINT32 ulFoundTime = 0; + UINT32 ulDataOffset = 0; + /* Clear out stream state */ + for (i = 0; i < pInt->ulNumStreams; i++) { + pInt->pStreamInfo[i].bStreamDone = FALSE; + pInt->pStreamInfo[i].ulLastTimeStamp = 0xFFFFFFFF; + pInt->pStreamInfo[i].keyFramePacket.bValid = FALSE; + } + /* First we try to search the on-the-fly seek table */ + status = rm_parseri_search_all_seek_tables(pInt, ulSeekTime, + &ulFoundTime, &ulDataOffset); + if (status == HXR_OK) { + retVal = rm_parseri_find_first_packet_after_seek_time(pInt, + ulSeekTime, + ulDataOffset); + } else if (pInt->propHdr.index_offset && ulSeekTime) { + /* + * Try to find the offset via the index chunks + * at the end of the file + */ + retVal = rm_parseri_search_index_chunk(pInt, ulSeekTime); + } else if (status == HXR_AT_END) { + /* + * The on-the-fly seek table returned HXR_AT_END, + * which means the seek time was past it's range, + * so it returned the last entry it had in the table. + * If we can't use the index table at the end of the + * file, then we'll use this - it's better than starting + * at the beginning of the data chunk. + */ + retVal = rm_parseri_find_first_packet_after_seek_time(pInt, + ulSeekTime, + ulDataOffset); + } else { + /* + * Compute the offset of the first packet + * after the data chunk. + */ + ulDataOffset = pInt->propHdr.data_offset + + RM_PARSER_DATA_CHUNK_HEADER_SIZE; + /* Seek from the beginning of the data chunk */ + retVal = rm_parseri_find_first_packet_after_seek_time(pInt, + ulSeekTime, + ulDataOffset); + } + } + + return retVal; +} + +HXBOOL rm_parseri_is_all_keyframes_found(rm_parser_internal* pInt) +{ + HXBOOL bRet = FALSE; + + if (pInt && pInt->ulNumStreams && pInt->pStreamInfo) { + /* Init local variables */ + UINT32 i = 0; + /* Assume we have found all of them */ + bRet = TRUE; + /* Look through all streams */ + for (i = 0; i < pInt->ulNumStreams; i++) { + if (!pInt->pStreamInfo[i].keyFramePacket.bValid) { + bRet = FALSE; + break; + } + } + } + + return bRet; +} + +HXBOOL rm_parseri_is_a_keyframe_found(rm_parser_internal* pInt) +{ + HXBOOL bRet = FALSE; + + if (pInt && pInt->ulNumStreams && pInt->pStreamInfo) { + /* Init local variables */ + UINT32 i = 0; + /* Look through all streams */ + for (i = 0; i < pInt->ulNumStreams; i++) { + if (pInt->pStreamInfo[i].keyFramePacket.bValid) { + bRet = TRUE; + break; + } + } + } + + return bRet; +} + +HX_RESULT rm_parseri_find_first_packet_after_seek_time(rm_parser_internal* pInt, + UINT32 ulSeekTime, + UINT32 ulInitialOffset) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + UINT32 ulStreamNum = 0; + UINT32 ulOffset = 0; + struct rm_pkt_hdr hdr; + /* Clear the return value */ + retVal = HXR_OK; + /* Seek to the initial offset */ + rm_parseri_file_seek(pInt, ulInitialOffset, HX_SEEK_ORIGIN_SET); + /* + * Read packet headers until we find one + * which is greater than or equal to the seek time. + */ + while (HX_SUCCEEDED(retVal)) { + /* Read the next packet header */ + retVal = rm_parseri_read_next_packet_header(pInt, &hdr); + if (HX_SUCCEEDED(retVal)) { + /* Compute the offset of this packet */ + ulOffset = pInt->ulCurFileOffset - hdr.header_len; + /* + * Is the timestamp of this packet greater + * than or equal to the seek time? + */ + if (hdr.timestamp >= ulSeekTime) { + /* We're finished. */ + retVal = rm_parseri_find_first_keyframe(pInt); + break; + } else { + /* Assume the worst */ + retVal = HXR_FAIL; + /* Get the stream num */ + ulStreamNum = rm_parseri_translate_stream_number(pInt, hdr.stream_num); + if (ulStreamNum != RM_NO_STREAM_SET) { + /* Get the rm_keyframe_packet struct for this stream */ + struct rm_keyframe_packet* pKey = &pInt->pStreamInfo[ulStreamNum].keyFramePacket; + if (pKey) { + if (hdr.flags & HX_KEYFRAME_FLAG) { + if (!pKey->bValid || hdr.timestamp > pKey->ulTimestamp) { + /* Save the keyframe info */ + pKey->ulTimestamp = hdr.timestamp; + pKey->ulFileOffset = ulOffset; + pKey->bValid = TRUE; + /* Update the on-the-fly index table */ + rm_parseri_update_seek_table(pInt, + ulStreamNum, + hdr.timestamp, + ulOffset, + hdr.flags); + } + } else { + rm_parseri_update_time_range(pInt, + ulStreamNum, + hdr.timestamp); + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + /* + * If we've succeeded and we're not done, + * then seek to the next packet header. + */ + if (HX_SUCCEEDED(retVal)) { + rm_parseri_file_seek(pInt, + hdr.length - hdr.header_len, + HX_SEEK_ORIGIN_CUR); + } + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_find_first_keyframe(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pStreamInfo && pInt->ulNumStreams) { + UINT32 ulLowOffset = 0; + UINT32 ulLowStream = 0; + UINT32 ulNumValid = 0; + UINT32 i = 0; + /* + * Mark the number of keyframes needed as + * the number of streams. + */ + pInt->ulKeyframesNeeded = pInt->ulNumStreams; + for (i = 0; i < pInt->ulNumStreams; i++) { + pInt->pStreamInfo[i].bNeedKeyframe = TRUE; + } + /* Find the lowest offset of the valid keyframes */ + for (i = 0; i < pInt->ulNumStreams; i++) { + if (pInt->pStreamInfo[i].bNeedKeyframe && + pInt->pStreamInfo[i].keyFramePacket.bValid) { + /* Increment the number of valid keyframes */ + ulNumValid++; + /* Find the lowest keyframe time and stream */ + if (!ulLowOffset || + pInt->pStreamInfo[i].keyFramePacket.ulFileOffset < ulLowOffset) { + ulLowOffset = pInt->pStreamInfo[i].keyFramePacket.ulFileOffset; + ulLowStream = i; + } + } + } + /* Did we find any valid keyframes? */ + if (ulNumValid) { + /* Seek to the lowest offset */ + rm_parseri_file_seek(pInt, ulLowOffset, HX_SEEK_ORIGIN_SET); + /* Clear the return value */ + retVal = HXR_OK; + } else { + /* Clear the number of keyframes needed */ + pInt->ulKeyframesNeeded = 0; + } + } + + return retVal; +} + +void* rm_parseri_malloc(rm_parser_internal* pInt, UINT32 ulSize) +{ + void* pRet = HXNULL; + if (pInt && pInt->fpMalloc) { + pRet = pInt->fpMalloc(pInt->pUserMem, ulSize); + } + return pRet; +} + +void rm_parseri_free(rm_parser_internal* pInt, void* pMem) +{ + if (pInt && pInt->fpFree) { + pInt->fpFree(pInt->pUserMem, pMem); + } +} + +void rm_parseri_error(rm_parser_internal* pInt, HX_RESULT err, const char* pszMsg) +{ + if (pInt && pInt->fpError) { + pInt->fpError(pInt->pUserError, err, pszMsg); + } +} diff --git a/audio_codec/libcook/rm_parser_internal.h b/audio_codec/libcook/rm_parser_internal.h new file mode 100644 index 0000000..df76def --- a/dev/null +++ b/audio_codec/libcook/rm_parser_internal.h @@ -0,0 +1,420 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_parser_internal.h,v 1.2.2.1 2005/05/04 18:21:36 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_PARSER_INTERNAL_H +#define RM_PARSER_INTERNAL_H + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "rm_error.h" +#include "rm_parse.h" + +#ifdef __cplusplus +extern "C" { +#endif + + /* Defines */ +#define RM_HEADER_OBJECT 0x2E524D46 /* '.RMF' */ +#define RM_PROPERTIES_OBJECT 0x50524F50 /* 'PROP' */ +#define RM_MEDIA_PROPERTIES_OBJECT 0x4D445052 /* 'MDPR' */ +#define RM_CONTENT_OBJECT 0x434F4E54 /* 'CONT' */ +#define RM_DATA_OBJECT 0x44415441 /* 'DATA' */ +#define RM_INDEX_OBJECT 0x494E4458 /* 'INDX' */ +#define RM_MULTIHEADER_OBJECT 0x4D4C5449 /* 'MLTI' */ + +#define RM_NO_STREAM_SET 0xFFFFFFFF +#define RM_INDEX_MIN_ENTRIES 32 +#define RM_INDEX_MAX_ENTRIES 2048 +#define RM_INDEX_MIN_TIME_GRANULARITY 50 /* in milliseconds */ +#define RM_INDEX_MAX_TIME_GRANULARITY 15000 /* in milliseconds */ + + /* + * We explicitly define the size for structs + * to be read. That's because we can't use sizeof() + * to determine how much to read since struct + * alignment will make that value different. + */ +#define RM_PARSER_GENERIC_HDR_SIZE 10 +#define RM_PARSER_INDEX_HEADER_SIZE 20 +#define RM_PARSER_INDEX_RECORD_SIZE 14 +#define RM_PARSER_PACKET_HEADER_SIZE 12 +#define RM_PARSER_DATA_CHUNK_HEADER_SIZE 18 + + /* generic header -- most headers start like this */ + struct rm_generic_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + }; + + /* rm file header -- all real media files start with this header */ + struct rm_file_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT32 file_version; /* revision number for realmedia file */ + UINT32 num_headers; /* num headers in file (including this one) */ + }; + + /* rm properties header -- summarizes data for entire clip */ + struct rm_properties_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT32 max_bit_rate; /* maximum bit rate of clip */ + UINT32 avg_bit_rate; /* average bit rate of clip */ + UINT32 max_pkt_size; /* max length of packet in clip (bytes) */ + UINT32 avg_pkt_size; /* averge length of packet in clip (bytes) */ + UINT32 num_pkts; /* total packets in clip (all streams) */ + UINT32 duration; /* duration of clip (milliseconds) */ + UINT32 preroll; /* preroll time (milliseconds) */ + UINT32 index_offset; /* offset to beginning of index data */ + UINT32 data_offset; /* offset to beginning of packet data */ + UINT16 num_streams; /* total number of streams in clip */ + UINT32 flags; /* various and sundry */ + }; + + /* rm content header -- title, author, copyright */ + struct rm_content_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT16 title_sz; /* length of title field */ + char* title; /* title of clip */ + UINT16 author_sz; /* length of author field */ + char* author; /* author of clip */ + UINT16 copyright_sz; /* length of copyright field */ + char* copyright; /* copyright of clip */ + UINT16 comment_sz; /* length of comment field */ + char* comment; /* comment */ + }; + + /* rm media properties header -- stream info, one for each stream */ + struct rm_media_props_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT16 stream_num; /* stream number */ + UINT32 max_bit_rate; /* maximum bit rate of stream */ + UINT32 avg_bit_rate; /* average bit rate of stream */ + UINT32 max_pkt_size; /* max length of packet in stream (bytes) */ + UINT32 avg_pkt_size; /* averge length of packet in stream (bytes) */ + UINT32 start_time; /* start time of stream -- clip relative */ + UINT32 preroll; /* preroll time (milliseconds) */ + UINT32 duration; /* duration of stream (milliseconds) */ + BYTE stream_name_sz; /* length of stream_name field */ + char* stream_name; /* string name of stream */ + BYTE mime_type_sz; /* length of mime_type field */ + char* mime_type; /* MIME type of stream */ + UINT32 type_spec_sz; /* length of type_spec field */ + BYTE* type_spec; /* type specific data buffer */ + UINT32 start_offset; /* for non-interleaved stream only */ + }; + + /* rm name value header -- implements name/value pairs */ + struct rm_name_value_map { + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + BYTE name_sz; /* length of name field */ + char* name; /* name of property */ + UINT32 type; /* type of property */ + UINT16 value_sz; /* length of value field */ + BYTE* value; /* value of property */ + }; + + /* rm logical stream header -- used for surestream */ + struct rm_logical_stream_hdr { + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT16 num_physical_streams; /* number of actual streams */ + UINT16* physical_stream_num; /* array of stream numbers */ + UINT32* data_offsets; /* array of offsets to stream packets */ + UINT16 num_rules; /* number of ASM rules */ + UINT16* rule_stream_map; /* maps rules to streams */ + UINT16 num_props; /* number of name value properties */ + struct rm_name_value_map* props; /* array of name value properties */ + }; + + /* rm meta information -- clip meta data */ + struct rm_meta_data_hdr { + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT16 num_props; /* number of name value properties */ + struct rm_name_value_map* props; /* array of name value properties */ + }; + + /* rm data header -- this occurs before the start of packet data */ + struct rm_data_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT32 num_pkts; /* total number of packets in segment */ + UINT32 next_data_hdr; /* offset of next segment */ + }; + + /* rm index header -- this occurs before the start of index data */ + struct rm_index_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT32 num_recs; /* number of index records */ + UINT16 stream_num; /* stream number being indexed */ + UINT32 next_index_hdr; /* offset of next header */ + }; + + /* rm index record -- describes an index entry */ + struct rm_index_rec { + UINT16 version; /* record version */ + UINT32 timestamp; /* packet timestamp */ + UINT32 offset; /* offset of packet in file */ + UINT32 num_pkts; /* number of packets before this one in clip */ + }; + + /* rm packet header */ + struct rm_pkt_hdr_base { + UINT16 version; /* struct version */ + UINT16 length; /* length of header */ + }; + + struct rm_pkt_hdr { + UINT16 version; /* struct version */ + UINT16 length; /* length of header */ + UINT16 stream_num; /* stream number */ + UINT32 timestamp; /* packet timestamp */ + UINT16 flags; /* keyframe, etc. */ + BYTE header_len; + }; + + struct rm_pkt_hdr1 { + UINT16 version; /* struct version */ + UINT16 length; /* length of header */ + UINT16 stream_num; /* stream number */ + UINT32 timestamp; /* packet timestamp */ + UINT16 asm_rule; /* for surestream */ + BYTE asm_flags; + }; + + /* + * Internal struct which tracks stream info + */ + struct rm_seek_table_entry { + UINT32 ulTime; + UINT32 ulOffset; + }; + + struct rm_seek_table { + struct rm_seek_table_entry* pEntry; + UINT32 ulMaxEntries; + UINT32 ulNumEntries; + UINT32 ulLastTime; + UINT32 ulRangeTime; + UINT32 ulTimeGranularity; + }; + + struct rm_keyframe_packet { + UINT32 ulTimestamp; + UINT32 ulFileOffset; + HXBOOL bValid; + }; + + struct rm_stream_info { + UINT32 ulLastTimeStamp; + UINT32 ulLastRule; + struct rm_keyframe_packet keyFramePacket; + struct rm_seek_table seekTable; + HX_BITFIELD bIsRealAudio : 1; + HX_BITFIELD bIsRealVideo : 1; + HX_BITFIELD bIsRealEvent : 1; + HX_BITFIELD bStreamDone : 1; + HX_BITFIELD bNeedKeyframe : 1; + HX_BITFIELD bSeenFirstPacketTimeStamp : 1; + }; + + /* + * Parser struct + */ + typedef struct rm_parser_internal_struct { + rm_error_func_ptr fpError; + void* pUserError; + rm_malloc_func_ptr fpMalloc; + rm_free_func_ptr fpFree; + void* pUserMem; + rm_read_func_ptr fpRead; + rm_seek_func_ptr fpSeek; + void* pUserRead; + struct rm_file_hdr fileHdr; + struct rm_properties_hdr propHdr; + struct rm_content_hdr contHdr; + UINT32 ulNumStreams; + UINT32 ulNumMediaPropsHdrs; + UINT32 ulNumMediaPropsHdrsAlloc; + struct rm_media_props_hdr* pMediaPropsHdr; + UINT32 ulNumLogicalStreamHdrs; + struct rm_logical_stream_hdr* pLogicalStreamHdr; + struct rm_logical_stream_hdr* pLogicalFileInfo; + BYTE* pReadBuffer; /* Read buffer */ + UINT32 ulReadBufferSize; /* Allocated size of the read buffer */ + UINT32 ulNumBytesRead; /* Current number of bytes read into the buffer */ + UINT32 ulCurFileOffset; /* Current read offset into the file */ + UINT32 ulStreamNumMapSize; + UINT32* pulStreamNumMap; + UINT32 ulMaxDuration; + struct rm_stream_info* pStreamInfo; + struct rm_data_hdr* pDataHdr; + HXBOOL bIsRealDataType; + UINT32 ulMinFirstPacketTime; + rm_stream_header* pStreamHdr; + UINT32 ulKeyframesNeeded; + UINT32 ulInterleavedStreamsFlag; + UINT32 ulCurrentStream; + } rm_parser_internal; + + /* + * Internal parser functions + */ + HX_RESULT rm_parseri_unpack_generic_hdr(rm_parser_internal* pInt, struct rm_generic_hdr* h); + HX_RESULT rm_parseri_unpack_file_hdr(rm_parser_internal* pInt); + HX_RESULT rm_parseri_unpack_properties_hdr(rm_parser_internal* pInt); + HX_RESULT rm_parseri_unpack_content_hdr(rm_parser_internal* pInt); + void rm_parseri_cleanup_content_hdr(rm_parser_internal* pInt); + HX_RESULT rm_parseri_unpack_media_props_hdr(rm_parser_internal* pInt, + struct rm_media_props_hdr* h); + void rm_parseri_cleanup_media_props_hdr(rm_parser_internal* pInt, + struct rm_media_props_hdr* h); + void rm_parseri_cleanup_all_media_props_hdrs(rm_parser_internal* pInt); + HX_RESULT rm_parseri_unpack_name_value_map(rm_parser_internal* pInt, + struct rm_name_value_map* pMap, + BYTE** ppBuf, UINT32* pulLen); + void rm_parseri_cleanup_name_value_map(rm_parser_internal* pInt, + struct rm_name_value_map* h); + void rm_parseri_cleanup_all_name_value_maps(rm_parser_internal* pInt, + struct rm_logical_stream_hdr* h); + HX_RESULT rm_parseri_unpack_logical_stream_hdr(rm_parser_internal* pInt, + struct rm_media_props_hdr* mh, + struct rm_logical_stream_hdr* h); + UINT32 rm_parseri_get_num_logical_streams(rm_parser_internal* pInt); + HX_RESULT rm_parseri_unpack_all_logical_stream_hdrs(rm_parser_internal* pInt); + void rm_parseri_cleanup_logical_stream_hdr(rm_parser_internal* pInt, + struct rm_logical_stream_hdr* h); + void rm_parseri_cleanup_all_logical_stream_hdrs(rm_parser_internal* pInt); + HXBOOL rm_parseri_is_logical_fileinfo_present(rm_parser_internal* pInt, UINT32* pulIndx); + void rm_parseri_cleanup_logical_fileinfo_hdr(rm_parser_internal* pInt); + HX_RESULT rm_parseri_allocate_media_props_hdrs(rm_parser_internal* pInt); + void rm_parseri_cleanup_read_buffer(rm_parser_internal* pInt); + UINT32 rm_parseri_get_media_props_hdr_stream_num(rm_parser_internal* pInt); + HXBOOL rm_parseri_is_logical_stream_mime_type(const char* pszMimeType); + HXBOOL rm_parseri_is_logical_fileinfo_mime_type(const char* pszMimeType); + HX_RESULT rm_parseri_read_next_header(rm_parser_internal* pInt, UINT32* pulID); + HX_RESULT rm_parseri_setup_interleaved_streams(rm_parser_internal* pInt); + HX_RESULT rm_parseri_read_all_headers(rm_parser_internal* pInt); + UINT32 rm_parseri_get_num_file_properties(rm_parser_internal* pInt); + HX_RESULT rm_parseri_get_file_properties(rm_parser_internal* pInt, + rm_property* pProp, UINT32 ulNumProp); + HXBOOL rm_parseri_has_real_data_type(rm_parser_internal* pInt); + HX_RESULT rm_parseri_set_rm_property(rm_parser_internal* pInt, rm_property* pProp, + const char* pszName, UINT32 ulType, + void* pValue, UINT32 ulValueLen); + void rm_parseri_cleanup_rm_property(rm_parser_internal* pInt, rm_property* pProp); + void rm_parseri_cleanup_stream_num_map(rm_parser_internal* pInt); + void rm_parseri_cleanup_stream_info(rm_parser_internal* pInt, struct rm_stream_info* pInfo); + void rm_parseri_cleanup_stream_info_array(rm_parser_internal* pInt); + HX_RESULT rm_parseri_create_stream_structures(rm_parser_internal* pInt); + HX_RESULT rm_parseri_examine_initial_packets(rm_parser_internal* pInt, UINT32 StreamNum); + HX_RESULT rm_parseri_unpack_data_hdr(rm_parser_internal* pInt, UINT32 StreamNum); + HX_RESULT rm_parseri_unpack_pkt_hdr(rm_parser_internal* pInt, + struct rm_pkt_hdr* pPktHdr); + HX_RESULT rm_parseri_unpack_index_hdr(rm_parser_internal* pInt, + struct rm_index_hdr* hdr); + HX_RESULT rm_parseri_unpack_index_rec(rm_parser_internal* pInt, + struct rm_index_rec* rec); + HX_RESULT rm_parseri_read_next_index_rec(rm_parser_internal* pInt, + struct rm_index_rec* rec); + UINT32 rm_parseri_translate_stream_number(rm_parser_internal* pInt, UINT32 ulNum); + HX_RESULT rm_parseri_create_all_stream_headers(rm_parser_internal* pInt); + HX_RESULT rm_parseri_create_stream_header(rm_parser_internal* pInt, UINT32 i, + rm_stream_header* hdr); + void rm_parseri_cleanup_all_stream_headers(rm_parser_internal* pInt); + void rm_parseri_cleanup_stream_header(rm_parser_internal* pInt, rm_stream_header* hdr); + UINT32 rm_parseri_count_set_stream_header_props(rm_parser_internal* pInt, UINT32 i, + rm_stream_header* hdr, + rm_property* pProp, UINT32 ulNumProps); + char* rm_parseri_create_asm_rulebook(rm_parser_internal* pInt, HXBOOL bIsVideo, + HXBOOL bIsEvent, HXBOOL bHasOpaqueData, + UINT32 ulMaxBitRate, UINT32 ulAvgBitRate, + HXBOOL* pbHasPreDataProps); + HX_RESULT rm_parseri_read_next_packet(rm_parser_internal* pInt, rm_packet** ppPacket); + UINT32 rm_parseri_file_read(rm_parser_internal* pInt, UINT32 ulBytesToRead, UINT32 ulReadBufferOffset); + UINT32 rm_parseri_file_read_buffer(rm_parser_internal* pInt, BYTE* pBuf, UINT32 ulBytesToRead); + void rm_parseri_file_seek(rm_parser_internal* pInt, UINT32 ulOffset, UINT32 ulOrigin); + void rm_parseri_set_stream_size(rm_parser_internal* pInt, UINT32 stream_size); + HX_RESULT rm_parseri_copy_stream_header(rm_parser_internal* pInt, UINT32 i, rm_stream_header* pHdr); + HX_RESULT rm_parseri_update_seek_table(rm_parser_internal* pInt, UINT32 ulStreamNum, + UINT32 ulTime, UINT32 ulOffset, UINT32 ulFlags); + HX_RESULT rm_parseri_update_time_range(rm_parser_internal* pInt, UINT32 ulStreamNum, + UINT32 ulTime); + HX_RESULT rm_parseri_search_all_seek_tables(rm_parser_internal* pInt, UINT32 ulSeekTime, + UINT32* pulFoundTime, UINT32* pulFoundOffset); + HX_RESULT rm_parseri_search_seek_table(struct rm_seek_table* pTable, UINT32 ulSeekTime, INT32 lDirection, + UINT32* pulFoundTime, UINT32* pulFoundOffset, UINT32* pulFoundIndex); + HX_RESULT rm_parseri_search_index_chunk(rm_parser_internal* pInt, UINT32 ulSeekTime); + HX_RESULT rm_parseri_seek(rm_parser_internal* pInt, UINT32 ulSeekTime); + HXBOOL rm_parseri_is_all_keyframes_found(rm_parser_internal* pInt); + HXBOOL rm_parseri_is_a_keyframe_found(rm_parser_internal* pInt); + HX_RESULT rm_parseri_find_first_packet_after_seek_time(rm_parser_internal* pInt, + UINT32 ulSeekTime, + UINT32 ulInitialOffset); + HX_RESULT rm_parseri_find_first_keyframe(rm_parser_internal* pInt); + void* rm_parseri_malloc(rm_parser_internal* pInt, UINT32 ulSize); + void rm_parseri_free(rm_parser_internal* pInt, void* pMem); + void rm_parseri_error(rm_parser_internal* pInt, HX_RESULT err, const char* pszMsg); + + HX_RESULT rm_parseri_build_seek_table(rm_parser_internal* pInt); + HX_RESULT rm_parseri_search_seek_tables(rm_parser_internal* pInt, + INT32 lStreamNumber, + UINT32 ulSeekTime, + INT32 lDirection, + UINT32* pulFoundTime, + UINT32* pulFoundOffset, + UINT32* pulFoundIndex); + UINT32 rm_parseri_get_stream_number(rm_parser_internal* pInt, UINT32 ulNum); + void rm_parseri_cleanup_all_data_headers(rm_parser_internal* pInt); +#ifdef __cplusplus +} +#endif + +#endif /* #ifndef RM_PARSER_INTERNAL_H */ diff --git a/audio_codec/libcook/rm_property.c b/audio_codec/libcook/rm_property.c new file mode 100644 index 0000000..85fbfb2 --- a/dev/null +++ b/audio_codec/libcook/rm_property.c @@ -0,0 +1,105 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_property.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include "helix_types.h" +#include "rm_property.h" + +const char* rm_property_get_name(rm_property* prop) +{ + const char* pRet = HXNULL; + + if (prop) { + pRet = (const char*) prop->pName; + } + + return pRet; +} + +UINT32 rm_property_get_type(rm_property* prop) +{ + UINT32 ulRet = 0; + + if (prop) { + ulRet = prop->ulType; + } + + return ulRet; +} + +UINT32 rm_property_get_value_uint32(rm_property* prop) +{ + UINT32 ulRet = 0; + + if (prop) { + ulRet = (UINT32) prop->pValue; + } + + return ulRet; +} + +const char* rm_property_get_value_cstring(rm_property* prop) +{ + const char* pRet = HXNULL; + + if (prop) { + pRet = (const char*) prop->pValue; + } + + return pRet; +} + +UINT32 rm_property_get_value_buffer_length(rm_property* prop) +{ + UINT32 ulRet = 0; + + if (prop) { + ulRet = prop->ulValueLen; + } + + return ulRet; +} + +BYTE* rm_property_get_value_buffer(rm_property* prop) +{ + BYTE* pRet = HXNULL; + + if (prop) { + pRet = prop->pValue; + } + + return pRet; +} diff --git a/audio_codec/libcook/rm_property.h b/audio_codec/libcook/rm_property.h new file mode 100644 index 0000000..f27c557 --- a/dev/null +++ b/audio_codec/libcook/rm_property.h @@ -0,0 +1,107 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_property.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_PROPERTY_H +#define RM_PROPERTY_H + +#include "helix_types.h" + +#define RM_PROPERTY_TYPE_UINT32 0 +#define RM_PROPERTY_TYPE_BUFFER 1 +#define RM_PROPERTY_TYPE_CSTRING 2 + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* + * Property struct + * + * This struct can hold a UINT32 property, a CString + * property, or a buffer property. The members + * of this struct are as follows: + * + * pName: NULL-terminated string which holds the name + * ulType: This can be either RM_PROPERTY_TYPE_UINT32, + * RM_PROPERTY_TYPE_BUFFER, or RM_PROPERTY_TYPE_CSTRING. + * pValue and ulValueLen: + * 1) For type RM_PROPERTY_TYPE_UINT32, the value is held in + * the pValue pointer itself and ulValueLen is 0. + * 2) For type RM_PROPERTY_TYPE_BUFFER, the value is held in + * the buffer pointed to by pValue and the length of + * the buffer is ulValueLen. + * 3) For type RM_PROPERTY_TYPE_CSTRING, the value is a + * NULL terminated string in pValue. Therefore the pValue + * pointer can be re-cast as a (const char*) and the value + * string read from it. ulValueLen holds a length that + * is AT LEAST strlen((const char*) pValue) + 1. It may + * be more than that, so do not rely on ulValueLen being + * equal to strlen((const char*) pValue) + 1. + */ + + typedef struct rm_property_struct { + char* pName; + UINT32 ulType; + BYTE* pValue; + UINT32 ulValueLen; + } rm_property; + + /* + * rm_property Accessor Functions + * + * Users are strongly encouraged to use these accessor + * functions to retrieve information from the + * rm_property struct, since the definition of rm_property + * may change in the future. + * + * When retrieving the property name, the user should first + * call rm_property_get_name_length() to see that the name + * length is greater than 0. After that, the user can get + * read-only access to the name by calling rm_property_get_name(). + */ + const char* rm_property_get_name(rm_property* prop); + UINT32 rm_property_get_type(rm_property* prop); + UINT32 rm_property_get_value_uint32(rm_property* prop); + const char* rm_property_get_value_cstring(rm_property* prop); + UINT32 rm_property_get_value_buffer_length(rm_property* prop); + BYTE* rm_property_get_value_buffer(rm_property* prop); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_PROPERTY_H */ diff --git a/audio_codec/libcook/rm_stream.c b/audio_codec/libcook/rm_stream.c new file mode 100644 index 0000000..7ac99d0 --- a/dev/null +++ b/audio_codec/libcook/rm_stream.c @@ -0,0 +1,356 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_stream.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "helix_types.h" +#include "helix_mime_types.h" +#include "rm_property.h" +#include "rm_stream.h" + +UINT32 rm_stream_get_number(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulStreamNumber; + } + + return ulRet; +} + +UINT32 rm_stream_get_max_bit_rate(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulMaxBitRate; + } + + return ulRet; +} + +UINT32 rm_stream_get_avg_bit_rate(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulAvgBitRate; + } + + return ulRet; +} + +UINT32 rm_stream_get_max_packet_size(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulMaxPacketSize; + } + + return ulRet; +} + +UINT32 rm_stream_get_avg_packet_size(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulAvgPacketSize; + } + + return ulRet; +} + +UINT32 rm_stream_get_start_time(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulStartTime; + } + + return ulRet; +} + +UINT32 rm_stream_get_preroll(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulPreroll; + } + + return ulRet; +} + +UINT32 rm_stream_get_duration(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulDuration; + } + + return ulRet; +} + +UINT32 rm_stream_get_data_offset(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulStartOffset; + } + + return ulRet; +} + +UINT32 rm_stream_get_data_size(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulStreamSize; + } + + return ulRet; +} + +const char* rm_stream_get_name(rm_stream_header* hdr) +{ + const char* pRet = HXNULL; + + if (hdr) { + pRet = (const char*) hdr->pStreamName; + } + + return pRet; +} + +const char* rm_stream_get_mime_type(rm_stream_header* hdr) +{ + const char* pRet = HXNULL; + + if (hdr) { + pRet = (const char*) hdr->pMimeType; + } + + return pRet; +} + +UINT32 rm_stream_get_properties(rm_stream_header* hdr, rm_property** ppProp) +{ + UINT32 ulRet = 0; + + if (hdr && ppProp) { + *ppProp = hdr->pProperty; + ulRet = hdr->ulNumProperties; + } + + return ulRet; +} + +HXBOOL rm_stream_is_realaudio(rm_stream_header* hdr) +{ + HXBOOL bRet = FALSE; + + if (hdr) { + bRet = rm_stream_is_realaudio_mimetype((const char*) hdr->pMimeType); + } + + return bRet; +} + +HXBOOL rm_stream_is_realvideo(rm_stream_header* hdr) +{ + HXBOOL bRet = FALSE; + + if (hdr) { + bRet = rm_stream_is_realvideo_mimetype((const char*) hdr->pMimeType); + } + + return bRet; +} + +HXBOOL rm_stream_is_realevent(rm_stream_header* hdr) +{ + HXBOOL bRet = FALSE; + + if (hdr) { + bRet = rm_stream_is_realevent_mimetype((const char*) hdr->pMimeType); + } + + return bRet; +} + +HXBOOL rm_stream_is_realaudio_mimetype(const char* pszStr) +{ + HXBOOL bRet = FALSE; + + if (pszStr) { + if (!strcmp(pszStr, REALAUDIO_MIME_TYPE) || + !strcmp(pszStr, REALAUDIO_MULTIRATE_MIME_TYPE) || + !strcmp(pszStr, REALAUDIO_ENCRYPTED_MIME_TYPE)) { + bRet = TRUE; + } + } + + return bRet; +} + +HXBOOL rm_stream_is_realvideo_mimetype(const char* pszStr) +{ + HXBOOL bRet = FALSE; + + if (pszStr) { + if (!strcmp(pszStr, REALVIDEO_MIME_TYPE) || + !strcmp(pszStr, REALVIDEO_MULTIRATE_MIME_TYPE) || + !strcmp(pszStr, REALVIDEO_ENCRYPTED_MIME_TYPE)) { + bRet = TRUE; + } + } + + return bRet; +} + +HXBOOL rm_stream_is_realevent_mimetype(const char* pszStr) +{ + HXBOOL bRet = FALSE; + + if (pszStr) { + if (!strcmp(pszStr, REALEVENT_MIME_TYPE) || + !strcmp(pszStr, REALEVENT_ENCRYPTED_MIME_TYPE) || + !strcmp(pszStr, REALIMAGEMAP_MIME_TYPE) || + !strcmp(pszStr, REALIMAGEMAP_ENCRYPTED_MIME_TYPE) || + !strcmp(pszStr, IMAGEMAP_MIME_TYPE) || + !strcmp(pszStr, IMAGEMAP_ENCRYPTED_MIME_TYPE) || + !strcmp(pszStr, SYNCMM_MIME_TYPE) || + !strcmp(pszStr, SYNCMM_ENCRYPTED_MIME_TYPE)) { + bRet = TRUE; + } + } + + return bRet; +} + +HXBOOL rm_stream_is_real_mimetype(const char* pszStr) +{ + return rm_stream_is_realaudio_mimetype(pszStr) || + rm_stream_is_realvideo_mimetype(pszStr) || + rm_stream_is_realevent_mimetype(pszStr); +} + +HX_RESULT rm_stream_get_property_int(rm_stream_header* hdr, + const char* pszStr, + UINT32* pulVal) +{ + HX_RESULT retVal = HXR_FAIL; + + if (hdr && pszStr && pulVal && + hdr->pProperty && hdr->ulNumProperties) { + UINT32 i = 0; + for (i = 0; i < hdr->ulNumProperties; i++) { + rm_property* pProp = &hdr->pProperty[i]; + if (pProp->ulType == RM_PROPERTY_TYPE_UINT32 && + pProp->pName && + !strcmp(pszStr, (const char*) pProp->pName)) { + /* Assign the out parameter */ + *pulVal = (UINT32) pProp->pValue; + /* Clear the return value */ + retVal = HXR_OK; + break; + } + } + } + + return retVal; +} + +HX_RESULT rm_stream_get_property_buf(rm_stream_header* hdr, + const char* pszStr, + BYTE** ppBuf, + UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (hdr && pszStr && ppBuf && pulLen && + hdr->pProperty && hdr->ulNumProperties) { + UINT32 i = 0; + for (i = 0; i < hdr->ulNumProperties; i++) { + rm_property* pProp = &hdr->pProperty[i]; + if (pProp->ulType == RM_PROPERTY_TYPE_BUFFER && + pProp->pName && + !strcmp(pszStr, (const char*) pProp->pName)) { + /* Assign the out parameters */ + *ppBuf = pProp->pValue; + *pulLen = pProp->ulValueLen; + /* Clear the return value */ + retVal = HXR_OK; + break; + } + } + } + + return retVal; +} + +HX_RESULT rm_stream_get_property_str(rm_stream_header* hdr, + const char* pszStr, + char** ppszStr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (hdr && pszStr && ppszStr && + hdr->pProperty && hdr->ulNumProperties) { + UINT32 i = 0; + for (i = 0; i < hdr->ulNumProperties; i++) { + rm_property* pProp = &hdr->pProperty[i]; + if (pProp->ulType == RM_PROPERTY_TYPE_CSTRING && + pProp->pName && + !strcmp(pszStr, (const char*) pProp->pName)) { + /* Assign the out parameter */ + *ppszStr = (char*) pProp->pValue; + /* Clear the return value */ + retVal = HXR_OK; + break; + } + } + } + + return retVal; +} diff --git a/audio_codec/libcook/rm_stream.h b/audio_codec/libcook/rm_stream.h new file mode 100644 index 0000000..4728070 --- a/dev/null +++ b/audio_codec/libcook/rm_stream.h @@ -0,0 +1,115 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_stream.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_STREAM_H +#define RM_STREAM_H + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_property.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* + * Stream header definition. + * + * Users are strongly encouraged to use the accessor + * functions below to retrieve information from the + * rm_stream_header struct, since the definition + * may change in the future. + */ + typedef struct rm_stream_header_struct { + char* pMimeType; + char* pStreamName; + UINT32 ulStreamNumber; + UINT32 ulMaxBitRate; + UINT32 ulAvgBitRate; + UINT32 ulMaxPacketSize; + UINT32 ulAvgPacketSize; + UINT32 ulDuration; + UINT32 ulPreroll; + UINT32 ulStartTime; + UINT32 ulStartOffset; + UINT32 ulStreamSize; + UINT32 ulOpaqueDataLen; + BYTE* pOpaqueData; + UINT32 ulNumProperties; + rm_property* pProperty; + } rm_stream_header; + + /* + * These are the accessor functions used to retrieve + * information from the stream header + */ + UINT32 rm_stream_get_number(rm_stream_header* hdr); + UINT32 rm_stream_get_max_bit_rate(rm_stream_header* hdr); + UINT32 rm_stream_get_avg_bit_rate(rm_stream_header* hdr); + UINT32 rm_stream_get_max_packet_size(rm_stream_header* hdr); + UINT32 rm_stream_get_avg_packet_size(rm_stream_header* hdr); + UINT32 rm_stream_get_start_time(rm_stream_header* hdr); + UINT32 rm_stream_get_preroll(rm_stream_header* hdr); + UINT32 rm_stream_get_duration(rm_stream_header* hdr); + UINT32 rm_stream_get_data_offset(rm_stream_header* hdr); + UINT32 rm_stream_get_data_size(rm_stream_header* hdr); + const char* rm_stream_get_name(rm_stream_header* hdr); + const char* rm_stream_get_mime_type(rm_stream_header* hdr); + UINT32 rm_stream_get_properties(rm_stream_header* hdr, rm_property** ppProp); + HXBOOL rm_stream_is_realaudio(rm_stream_header* hdr); + HXBOOL rm_stream_is_realvideo(rm_stream_header* hdr); + HXBOOL rm_stream_is_realevent(rm_stream_header* hdr); + HXBOOL rm_stream_is_realaudio_mimetype(const char* pszStr); + HXBOOL rm_stream_is_realvideo_mimetype(const char* pszStr); + HXBOOL rm_stream_is_realevent_mimetype(const char* pszStr); + HXBOOL rm_stream_is_real_mimetype(const char* pszStr); + HX_RESULT rm_stream_get_property_int(rm_stream_header* hdr, + const char* pszStr, + UINT32* pulVal); + HX_RESULT rm_stream_get_property_buf(rm_stream_header* hdr, + const char* pszStr, + BYTE** ppBuf, + UINT32* pulLen); + HX_RESULT rm_stream_get_property_str(rm_stream_header* hdr, + const char* pszStr, + char** ppszStr); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_STREAM_H */ diff --git a/audio_codec/libcook/rm_stream_internal.h b/audio_codec/libcook/rm_stream_internal.h new file mode 100644 index 0000000..52c26aa --- a/dev/null +++ b/audio_codec/libcook/rm_stream_internal.h @@ -0,0 +1,77 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_stream_internal.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_STREAM_INTERNAL_H +#define RM_STREAM_INTERNAL_H + +#include "helix_types.h" +#include "rm_property.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* + * Internal stream header struct + * + * The public definition of rm_stream_header + * is void - opaque to the user. Properties of the + * stream header are accessed via accessor functions + * by the user. + */ + typedef struct rm_stream_header_internal_struct { + char* pMimeType; + char* pStreamName; + UINT32 ulStreamNumber; + UINT32 ulMaxBitRate; + UINT32 ulAvgBitRate; + UINT32 ulMaxPacketSize; + UINT32 ulAvgPacketSize; + UINT32 ulDuration; + UINT32 ulPreroll; + UINT32 ulStartTime; + UINT32 ulOpaqueDataLen; + BYTE* pOpaqueData; + UINT32 ulNumProperties; + rm_property* pProperty; + } rm_stream_header_internal; + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_STREAM_INTERNAL_H */ diff --git a/audio_codec/libcook/rv20backend.h b/audio_codec/libcook/rv20backend.h new file mode 100644 index 0000000..34afdef --- a/dev/null +++ b/audio_codec/libcook/rv20backend.h @@ -0,0 +1,69 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv20backend.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV20BACKEND_H__ +#define RV20BACKEND_H__ + +#include "helix_types.h" +#include "helix_result.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + //HX_RESULT _RV20toYUV420CustomMessage(UINT32 *msg_id, void *global); + HX_RESULT _RV20toYUV420CustomMessage(void *msg_id, void *global); + + HX_RESULT _RV20toYUV420HiveMessage(UINT32 *msg_id, void *global); + + HX_RESULT _RV20toYUV420Transform( + UCHAR *pRV10Packets, + UCHAR *pDecodedFrameBuffer, + void *pInputParams, + void *pOutputParams, + void *global + ); + + HX_RESULT _RV20toYUV420Free(void *global); + + HX_RESULT _RV20toYUV420Init(void *prv10Init, void **decoderState); + +#ifdef __cplusplus +} +#endif + +#endif /* RV20BACKEND_H__ */ diff --git a/audio_codec/libcook/rv30backend.h b/audio_codec/libcook/rv30backend.h new file mode 100644 index 0000000..a882ba0 --- a/dev/null +++ b/audio_codec/libcook/rv30backend.h @@ -0,0 +1,68 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv30backend.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV30BACKEND_H__ +#define RV30BACKEND_H__ + +#include "helix_types.h" +#include "helix_result.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + HX_RESULT _RV40toYUV420CustomMessage(UINT32 *msg_id, void *global); + + HX_RESULT _RV40toYUV420HiveMessage(UINT32 *msg_id, void *global); + + HX_RESULT _RV40toYUV420Transform( + UCHAR *pRV20Packets, + UCHAR *pDecodedFrameBuffer, + void *pInputParams, + void *pOutputParams, + void *global + ); + + HX_RESULT _RV40toYUV420Free(void *global); + + HX_RESULT _RV40toYUV420Init(void *prv10Init, void **decoderState); + +#ifdef __cplusplus +} +#endif + +#endif /* RV30BACKEND_H__ */ diff --git a/audio_codec/libcook/rv_backend.h b/audio_codec/libcook/rv_backend.h new file mode 100644 index 0000000..992306a --- a/dev/null +++ b/audio_codec/libcook/rv_backend.h @@ -0,0 +1,84 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_backend.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_BACKEND_H__ +#define RV_BACKEND_H__ + +/* Unified RealVideo decoder backend interface */ + +#include "helix_types.h" +#include "helix_result.h" +#include "rv_format_info.h" +#include "rv_backend_types.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* rv decoder backend interface */ + + typedef HX_RESULT(*rv_backend_init_fp)(void *prv10Init, + void **global); + typedef HX_RESULT(*rv_backend_decode_fp)(UCHAR *pRV10Packets, + UCHAR *pDecodedFrameBuffer, + void *pInputParams, + void *pOutputParams, + void *global); + typedef HX_RESULT(*rv_backend_custom_message_fp)(UINT32 *msg_id, + void *global); + typedef HX_RESULT(*rv_backend_hive_message_fp)(UINT32 *msg, + void *global); + typedef HX_RESULT(*rv_backend_free_fp)(void* global); + + + /* The rv_backend struct contains the RealVideo decoder backend + * function pointers. */ + + typedef struct rv_backend_struct { + rv_backend_init_fp fpInit; + rv_backend_decode_fp fpDecode; + rv_backend_custom_message_fp fpCustomMessage; + rv_backend_hive_message_fp fpHiveMessage; + rv_backend_free_fp fpFree; + } rv_backend; + + +#ifdef __cplusplus +} +#endif + +#endif /* RV_BACKEND_H__ */ diff --git a/audio_codec/libcook/rv_backend_types.h b/audio_codec/libcook/rv_backend_types.h new file mode 100644 index 0000000..0655d15 --- a/dev/null +++ b/audio_codec/libcook/rv_backend_types.h @@ -0,0 +1,198 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_backend_types.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_BACKEND_TYPES_H +#define RV_BACKEND_TYPES_H + +#include "rv_format_info.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + typedef struct rv_backend_init_params_struct { + UINT16 usOuttype; + UINT16 usPels; + UINT16 usLines; + UINT16 usPadWidth; /* number of columns of padding on right to get 16 x 16 block*/ + UINT16 usPadHeight; /* number of rows of padding on bottom to get 16 x 16 block*/ + + UINT16 pad_to_32; /* to keep struct member alignment independent of */ + /* compiler options */ + UINT32 ulInvariants; + /* ulInvariants specifies the invariant picture header bits */ + INT32 bPacketization; + UINT32 ulStreamVersion; + } rv_backend_init_params; + + typedef struct rv_backend_in_params_struct { + UINT32 dataLength; + INT32 bInterpolateImage; + UINT32 numDataSegments; + rv_segment *pDataSegments; + UINT32 flags; + /* 'flags' should be initialized by the front-end before each */ + /* invocation to decompress a frame. It is not updated by the decoder. */ + /* */ + /* If it contains RV_DECODE_MORE_FRAMES, it informs the decoder */ + /* that it is being called to extract the second or subsequent */ + /* frame that the decoder is emitting for a given input frame. */ + /* The front-end should set this only in response to seeing */ + /* an RV_DECODE_MORE_FRAMES indication in H263DecoderOutParams. */ + /* */ + /* If it contains RV_DECODE_DONT_DRAW, it informs the decoder */ + /* that it should decode the image (in order to produce a valid */ + /* reference frame for subsequent decoding), but that no image */ + /* should be returned. This provides a "hurry-up" mechanism. */ + UINT32 timestamp; + } rv_backend_in_params; + + typedef struct rv_backend_out_params_struct { + UINT32 numFrames; + UINT32 notes; + /* 'notes' is assigned by the transform function during each call to */ + /* decompress a frame. If upon return the notes parameter contains */ + /* the indication RV_DECODE_MORE_FRAMES, then the front-end */ + /* should invoke the decoder again to decompress the same image. */ + /* For this additional invocation, the front-end should first set */ + /* the RV_DECODE_MORE_FRAMES bit in the 'H263DecoderInParams.flags' */ + /* member, to indicate to the decoder that it is being invoked to */ + /* extract the next frame. */ + /* The front-end should continue invoking the decoder until the */ + /* RV_DECODE_MORE_FRAMES bit is not set in the 'notes' member. */ + /* For each invocation to decompress a frame in the same "MORE_FRAMES" */ + /* loop, the front-end should send in the same input image. */ + /* */ + /* If the decoder has no frames to return for display, 'numFrames' will */ + /* be set to zero. To avoid redundancy, the decoder does *not* set */ + /* the RV_DECODE_DONT_DRAW bit in 'notes' in this case. */ + + + UINT32 timestamp; + /* The 'temporal_offset' parameter is used in conjunction with the */ + /* RV_DECODE_MORE_FRAMES note, to assist the front-end in */ + /* determining when to display each returned frame. */ + /* If the decoder sets this to T upon return, the front-end should */ + /* attempt to display the returned image T milliseconds relative to */ + /* the front-end's idea of the presentation time corresponding to */ + /* the input image. */ + /* Be aware that this is a signed value, and will typically be */ + /* negative. */ + + UINT32 width; + UINT32 height; + /* Width and height of the returned frame. */ + /* This is the width and the height as signalled in the bitstream. */ + + } rv_backend_out_params; + + + /* definitions for output parameter notes */ + +#define RV_DECODE_MORE_FRAMES 0x00000001 +#define RV_DECODE_DONT_DRAW 0x00000002 +#define RV_DECODE_KEY_FRAME 0x00000004 + /* Indicates that the decompressed image is a key frame. */ + /* Note that enhancement layer EI frames are not key frames, in the */ + /* traditional sense, because they have dependencies on lower layer */ + /* frames. */ + +#define RV_DECODE_B_FRAME 0x00000008 + /* Indicates that the decompressed image is a B frame. */ + /* At most one of PIA_DDN_KEY_FRAME and PIA_DDN_B_FRAME will be set. */ + +#define RV_DECODE_DEBLOCKING_FILTER 0x00000010 + /* Indicates that the returned frame has gone through the */ + /* deblocking filter. */ + +#define RV_DECODE_FRU_FRAME 0x00000020 + /* Indicates that the decompressed image is a B frame. */ + /* At most one of PIA_DDN_KEY_FRAME and PIA_DDN_B_FRAME will be set. */ + +#define RV_DECODE_SCRAMBLED_BUFFER 0x00000040 + /* Indicates that the input buffer is scrambled for security */ + /* decoder should de-scramble the buffer before use it */ + +#define RV_DECODE_LAST_FRAME 0x00000200 + /* Indicates that the accompanying input frame is the last in the */ + /* current sequence. If input frame is a dummy frame, the decoder */ + /* flushes the latency frame to the output. */ + + /* definitions for decoding opaque data in bitstream header */ + /* Defines match ilvcmsg.h so that ulSPOExtra == rv10init.invariants */ +#define RV40_SPO_FLAG_UNRESTRICTEDMV 0x00000001 /* ANNEX D */ +#define RV40_SPO_FLAG_EXTENDMVRANGE 0x00000002 /* IMPLIES NEW VLC TABLES */ +#define RV40_SPO_FLAG_ADVMOTIONPRED 0x00000004 /* ANNEX F */ +#define RV40_SPO_FLAG_ADVINTRA 0x00000008 /* ANNEX I */ +#define RV40_SPO_FLAG_INLOOPDEBLOCK 0x00000010 /* ANNEX J */ +#define RV40_SPO_FLAG_SLICEMODE 0x00000020 /* ANNEX K */ +#define RV40_SPO_FLAG_SLICESHAPE 0x00000040 /* 0: free running; 1: rect */ +#define RV40_SPO_FLAG_SLICEORDER 0x00000080 /* 0: sequential; 1: arbitrary */ +#define RV40_SPO_FLAG_REFPICTSELECTION 0x00000100 /* ANNEX N */ +#define RV40_SPO_FLAG_INDEPENDSEGMENT 0x00000200 /* ANNEX R */ +#define RV40_SPO_FLAG_ALTVLCTAB 0x00000400 /* ANNEX S */ +#define RV40_SPO_FLAG_MODCHROMAQUANT 0x00000800 /* ANNEX T */ +#define RV40_SPO_FLAG_BFRAMES 0x00001000 /* SETS DECODE PHASE */ +#define RV40_SPO_BITS_DEBLOCK_STRENGTH 0x0000e000 /* deblocking strength */ +#define RV40_SPO_BITS_NUMRESAMPLE_IMAGES 0x00070000 /* max of 8 RPR images sizes */ +#define RV40_SPO_FLAG_FRUFLAG 0x00080000 /* FRU BOOL: if 1 then OFF; */ +#define RV40_SPO_FLAG_FLIP_FLIP_INTL 0x00100000 /* FLIP-FLOP interlacing; */ +#define RV40_SPO_FLAG_INTERLACE 0x00200000 /* de-interlacing prefilter has been applied; */ +#define RV40_SPO_FLAG_MULTIPASS 0x00400000 /* encoded with multipass; */ +#define RV40_SPO_FLAG_INV_TELECINE 0x00800000 /* inverse-telecine prefilter has been applied; */ +#define RV40_SPO_FLAG_VBR_ENCODE 0x01000000 /* encoded using VBR; */ +#define RV40_SPO_BITS_DEBLOCK_SHIFT 13 +#define RV40_SPO_BITS_NUMRESAMPLE_IMAGES_SHIFT 16 + +#define OUT_OF_DATE_DECODER 0x00000001 +#define OK_VERSION 0x00000000 + +#define CORRUPTED_BITSTREAM 0x00 +#define OK_DECODE 0x0f +#define INCOMPLETE_FRAME 0xffff +#define MALLOC_FAILURE 0x1111 + +#define RV10_DITHER_PARAMS 0x00001001 +#define RV10_POSTFILTER_PARAMS 0x00001002 +#define RV10_ADVANCED_MP_PARAMS 0x0001003 +#define RV10_TEMPORALINTERP_PARAMS 0x00001004 + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* RV_BACKEND_TYPES_H */ diff --git a/audio_codec/libcook/rv_decode.h b/audio_codec/libcook/rv_decode.h new file mode 100644 index 0000000..6d9c0d9 --- a/dev/null +++ b/audio_codec/libcook/rv_decode.h @@ -0,0 +1,208 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_decode.h,v 1.1.1.1.2.2 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_DECODE_H__ +#define RV_DECODE_H__ + +/* Simple unified decoder frontend for RealVideo */ + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "rm_error.h" +#include "rv_format_info.h" +#include "rv_decode_message.h" +#include "rv_backend.h" +#include "rv_backend_types.h" + +#ifdef __cplusplus +extern "C" { +#endif + + /* The rv_decode struct contains the RealVideo decoder frontend + * state variables and backend instance pointer. */ + + typedef struct rv_decode_struct { + rm_error_func_ptr fpError; + /* User defined error function. */ + + void* pUserError; + /* User defined parameter for error function. */ + + rm_malloc_func_ptr fpMalloc; + /* User defined malloc function. */ + + rm_free_func_ptr fpFree; + /* User defined free function. */ + + void* pUserMem; + /* User defined parameter for malloc and free functions. */ + + UINT32 ulSPOExtra; + /* The SPO Extra bits. Opaque data appended to bitstream header. */ + + UINT32 ulStreamVersion; + /* The stream version. Opaque data following the SPO Extra bits. */ + + UINT32 ulMajorBitstreamVersion; + /* The major bitstream version. Indicates RV7, RV8, RV9, etc. */ + + UINT32 ulMinorBitstreamVersion; + /* The minor bitstream version. Indicates minor revision or RAW. */ + + UINT32 ulNumResampledImageSizes; + /* The number of RPR sizes. Optional RV7 and RV8 opaque data. */ + + UINT32 ulEncodeSize; + /* The maximum encoded frame dimensions. Optional RV9 opaque data.*/ + + UINT32 ulLargestPels; + /* The maximum encoded frame width. */ + + UINT32 ulLargestLines; + /* The maximum encoded frame height. */ + + UINT32 pDimensions[2 * (8 + 1)]; + /* Table of encoded dimensions, including RPR sizes. */ + + UINT32 ulOutSize; + /* The maximum size of the output frame in bytes. */ + + UINT32 ulECCMask; + /* Mask for identifying ECC packets. */ + + UINT32 bInputFrameIsReference; + /* Identifies whether input frame is a key frame or not. */ + + UINT32 ulInputFrameQuant; + /* The input frame quantization parameter. */ + + rv_format_info *pBitstreamHeader; + /* The bitstream header. */ + + rv_frame *pInputFrame; + /* Pointer to the input frame struct. */ + + void *pDecodeState; + /* Pointer to decoder backend state. */ + + rv_backend *pDecode; + /* Decoder backend function pointers. */ + + rv_backend_init_params pInitParams; + /* Initialization parameters for the decoder backend. */ + + rv_backend_in_params pInputParams; + /* The decoder backend input parameter struct. */ + + rv_backend_out_params pOutputParams; + /* The decoder backend output parameter struct. */ + + } rv_decode; + + /* rv_decode_create() + * Creates RV decoder frontend struct, copies memory utilities. + * Returns struct pointer on success, NULL on failure. */ + rv_decode* rv_decode_create(void* pUserError, rm_error_func_ptr fpError); + + rv_decode* rv_decode_create2(void* pUserError, rm_error_func_ptr fpError, + void* pUserMem, rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* rv_decode_destroy() + * Deletes decoder backend instance, followed by frontend. */ + void rv_decode_destroy(rv_decode* pFrontEnd); + + /* rv_decode_init() + * Reads bitstream header, selects and initializes decoder backend. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT rv_decode_init(rv_decode* pFrontEnd, rv_format_info* pHeader); + + /* rv_decode_stream_input() + * Reads frame header and fills decoder input parameters struct. If there + * is packet loss and ECC packets exist, error correction is attempted. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT rv_decode_stream_input(rv_decode* pFrontEnd, rv_frame* pFrame); + + /* rv_decode_stream_decode() + * Calls decoder backend to decode issued frame and produce an output frame. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT rv_decode_stream_decode(rv_decode* pFrontEnd, UINT8* pOutput); + + /* rv_decode_stream_flush() + * Flushes the latency frame from the decoder backend after the last frame + * is delivered and decoded before a pause or the end-of-file. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT rv_decode_stream_flush(rv_decode* pFrontEnd, UINT8* pOutput); + + /* rv_decode_custom_message() + * Sends a custom message to the decoder backend. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT rv_decode_custom_message(rv_decode* pFrontEnd, RV_Custom_Message_ID *pMsg_id); + + + /**************** Accessor Functions *******************/ + /* rv_decode_max_output_size() + * Returns maximum size of YUV 4:2:0 output buffer in bytes. */ + UINT32 rv_decode_max_output_size(rv_decode* pFrontEnd); + + /* rv_decode_get_output_size() + * Returns size of most recent YUV 4:2:0 output buffer in bytes. */ + UINT32 rv_decode_get_output_size(rv_decode* pFrontEnd); + + /* rv_decode_get_output_dimensions() + * Returns width and height of most recent YUV output buffer. */ + HX_RESULT rv_decode_get_output_dimensions(rv_decode* pFrontEnd, UINT32* pWidth, + UINT32* pHeight); + + /* rv_decode_frame_valid() + * Checks decoder output parameters to see there is a valid output frame. + * Returns non-zero value if a valid output frame exists, else zero. */ + UINT32 rv_decode_frame_valid(rv_decode* pFrontEnd); + + /* rv_decode_more_frames() + * Checks decoder output parameters to see if more output frames can be + * produced without additional input frames. + * Returns non-zero value if more frames can be + * produced without additional input, else zero. */ + UINT32 rv_decode_more_frames(rv_decode* pFrontEnd); + +#ifdef __cplusplus +} +#endif + +#endif /* RV_DECODE_H__ */ diff --git a/audio_codec/libcook/rv_decode_message.h b/audio_codec/libcook/rv_decode_message.h new file mode 100644 index 0000000..63d5e6e --- a/dev/null +++ b/audio_codec/libcook/rv_decode_message.h @@ -0,0 +1,492 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_decode_message.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_DECODE_MESSAGE_H +#define RV_DECODE_MESSAGE_H + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* Define CPU scalability constants. Though these values range from */ + /* 0 to 100, they are *not* intended to indicate a CPU utilization percentage. */ + +#define CPU_Scalability_Maximum 100 + /* Maximum value for CPU usage setting: */ + /* no shortcuts taken, best possible quality at the cost of higher */ + /* CPU usage. This value is typically used for "off-line" compression. */ + +#define CPU_Scalability_Minimum 0 + /* Minimum value for CPU usage setting: */ + /* all implemented shortcuts taken, reduced CPU usage at the cost */ + /* of reduced video quality. */ + +#define CPU_Scalability_Default 50 + /* Default value for CPU usage setting: */ + /* this represents the normal mode of operation and is equivalent */ + /* to previously not choosing a CPU usage setting. */ + +#define RV89COMBO_MSG_ID_Decoder_CPU_Scalability 2002 + /* Allows for the setting and getting of the decoders CPU scalability parameter */ + + /* */ + /* Define formats for representing custom codec messages. */ + /* Custom codec messages have semantics unknown to the HIVE/RV layer. */ + /* The messages are defined by the underlying codec, and typically documented */ + /* for use by applications. */ + /* */ + + /* RV_Custom_Message_ID identifies a specific custom message. These */ + /* identifiers are not guaranteed to be unique among different codecs. */ + /* Thus an application using such messages, must have knowledge regarding */ + /* which codec is being used, and what custom messages it supports. */ + /* A codec will typically distribute a header file that defines its */ + /* custom messages. */ + /* */ + /* Specific custom messages will be passed into a codec via a structure whose */ + /* first member is a RV_Custom_Message_ID, and additional parameters */ + /* understood by the application and the codec. The size of each such */ + /* custom message structure is variable, depending on the specific message id. */ + /* Messages that require no values other than a message id, can be indicated */ + /* by using the RV_Custom_Message_ID as is. For such messages, there is no */ + /* need to wrap the message id within another structure. */ + + typedef UINT32 RV_Custom_Message_ID; + + /* RV_MSG_Simple is a structure used to pass custom messages which */ + /* take one or two 32-bit values. The "message_id" member identifies a */ + /* particular message, and the "value1" and "value2" members specify the */ + /* 32-bit values. The interpretation of the values depends on the message id. */ + /* They could be simple booleans (zero or non-zero), or arbitrary integers. */ + /* Some messages will use only value1, and not value2. */ + + typedef struct { + + RV_Custom_Message_ID message_id; + + INT32 value1; + INT32 value2; + + } RV_MSG_Simple; + + + /* The RV_MSG_DISABLE, RV_MSG_ENABLE and RV_MSG_GET values may be used as */ + /* controls when manipulating boolean-valued custom messages. Typically, */ + /* such messages will employ the RV_MSG_Simple structure. The message_id */ + /* will identify a boolean-valued option being manipulated. The "value1" */ + /* member will be set to one of RV_MSG_DISABLE, RV_MSG_ENABLE or RV_MSG_GET. */ + /* Depending on the message id, "value2" may specify additional information */ + /* such as a layer number for scalable video sequences. */ + /* */ + /* When value1 is RV_MSG_DISABLE or RV_MSG_ENABLE, the specified option */ + /* will be disabled or enabled, respectively. */ + /* When value1 is RV_MSG_GET, the current setting for the option (zero for */ + /* disabled and non-zero for enabled) will be returned in "value2". */ + +#define RV_MSG_DISABLE 0 +#define RV_MSG_ENABLE 1 +#define RV_MSG_GET 2 + + /* The RV_MSG_SET control, along with RV_MSG_GET, provide an alternative */ + /* way in which custom messages might use the RV_MSG_Simple structure. */ + /* When value1 is RV_MSG_SET, value2 indicates the value which is being */ + /* applied. The message_id provides the context to which value2 applies. */ + /* Again, refer to the documentation describing each custom message to see */ + /* if it uses RV_MSG_GET and RV_MSG_SET, or if it uses RV_MSG_DISABLE, */ + /* RV_MSG_ENABLE and RV_MSG_GET. */ + +#define RV_MSG_SET 3 + + + + + + /* Decoder postfilters: */ + /* - the smoothing postfilter is designed to remove general compression */ + /* artifacts, mosquito noise, and ringing noise. */ + /* - the annex J deblocking filter when used as a postfilter (annex J */ + /* not encoded in bitstream), removes blocking artifacts (block */ + /* edges) almost as efficiently as when used in-the-loop, i.e. encoded */ + /* in bitstream. */ + /* For the most video quality improvement, both filters should be used. */ + /* However, each filter takes up a certain amount of CPU cycles, and */ + /* for large formats, it may be too computationally expensive to use */ + /* both. */ + /* These filters are more effective, the lower the bitrate. */ + + /* */ + /* Define a custom decoder message for enabling the smoothing postfilter. */ + /* */ + /* This message must be sent with the RV_MSG_Simple structure. */ + /* Its value1 member should be RV_MSG_DISABLE, RV_MSG_ENABLE or RV_MSG_GET. */ + /* Its value2 is only used for RV_MSG_GET, in which case it is used to */ + /* return the current setting. */ + /* */ +#define RV_MSG_ID_Smoothing_Postfilter 17 + + /* Define a decoder message that helps the decoder determine when to display */ + /* frames. */ + /* */ + /* The SNR, spatial and temporal scalability features of H.263+ Annex O */ + /* have the property that frames are received at the decoder out of order, */ + /* or that multiple frames (enhancement layers) are received at the decoder */ + /* yet only one of these frames should be displayed. */ + /* */ + /* In the absence of apriori knowledge regarding the video sequence it is */ + /* going to receive, an H.263+ decoder might not know when it is okay to */ + /* go ahead and display a picture it has just decoded. */ + /* */ + /* To help solve this problem, the ILVC decoder can operate in two modes. */ + /* The first and default mode is termed "no latency". In this scenario, */ + /* the decoder assumes it will not be receiving B frames nor enhancement */ + /* layers. The decoder will decode and display the very first frame it sees. */ + /* If the decoder encounters any B frames or enhancement layers, it then */ + /* goes into latency mode (described below). When B frames or enhancement */ + /* layers are present under latency mode, some of these frame types will */ + /* not be displayed by the decoder at the beginning of a video sequence. */ + /* This is because the decoder either already displayed a frame for the */ + /* same temporal reference point, or because the decoder no longer has */ + /* the appropriate reference frames from which to decode a B frame. */ + /* */ + /* Under latency mode, the decoder will generally not display a decoded frame, */ + /* until it has detected that no enhancement layer frames or dependent */ + /* B frames will be coming. This detection usually occurs when a subsequent */ + /* non-B frame is encountered. This mode has the advantage that no frames */ + /* will be dropped at the beginning of a sequence. The disadvantage is that */ + /* a latency of one or more temporal references is introduced before a frame */ + /* is displayed. */ + /* */ + /* This message must be sent with the RV_MSG_Simple structure. */ + /* Its value1 member should be RV_MSG_DISABLE, RV_MSG_ENABLE or RV_MSG_GET. */ + /* For RV_MSG_GET, the current setting is returned in value2. */ + +#define RV_MSG_ID_Latency_Display_Mode 21 + + + + /* */ + /* Define a custom decoder message that enables/disables the error */ + /* concealment in the decoder. */ + /* */ + /* This message must be sent with the RV_MSG_Simple structure. */ + /* Its value1 member should be RV_MSG_DISABLE, RV_MSG_ENABLE or RV_MSG_GET. */ + /* Its value2 is only used for RV_MSG_GET, in which case it is used to */ + /* return the current setting. */ + /* */ +#define RV_MSG_ID_Error_Concealment 23 + + + /* #define RV_MSG_ID_* = 24; */ + /* // Obsolete, do not use 24. */ + /* #define RV_MSG_ID_* = 25; */ + /* // Obsolete, do not use 25. */ + + /* */ + /* Define a custom decoder message to be used when decoding a non-compliant */ + /* H.263+ bitstream, that informs the decoder about information which is */ + /* normally gleaned from parsing the picture header. In this scenario, the */ + /* encoder is generating a bitstream having a lean and mean picture header. */ + /* The invariant picture header contents are sent over the wire only once, */ + /* prior to streaming any bitstreams. */ + /* */ +#define RV_MSG_ID_Set_Picture_Header_Invariants 26 + /* */ + /* This message must be sent with the RV_MSG_Simple structure. */ + /* Its value1 member is interpreted as a bit mask, described below. */ + /* Its value2 member is not used. */ + /* */ + /* The following bits should be set or cleared, as appropriate, to indicate */ + /* which codec options will be enabled or disabled for the video sequence. */ + /* If any of these change, then the changes should be communicated to the */ + /* decoder via this custom message prior to it seeing any input frames */ + /* having the new state. */ + /* */ + + +#define RV_MSG_SPHI_Slice_Structured_Mode 0x20 + + + /* */ + /* Define messages that are used with the RealVideo bitstream, */ + /* to communicate the locations of slice boundaries between the front-end */ + /* codec and the back-end encoder or decoder. */ + /* */ + + typedef struct { + UINT32 is_valid; + UINT32 offset; + } RV_Segment_Info; + /* The RV_Segment_Info structure *MUST* be structurally equivalent */ + /* to the PNCODEC_SEGMENTINFO structure defined in the RealVideo */ + /* front-end. Typically an array of these structures is allocated, */ + /* with each element describing one slice in a compressed bit stream. */ + /* For the output of an encoder, is_valid is always true. 'offset' */ + /* indicates the offset of a slice within an associated bitstream. */ + /* The first slice is at offset 0. */ + + typedef struct { + RV_Custom_Message_ID message_id; + /* message_id must be RV_MSG_ID_Get_Encode_Segment_Info */ + /* or RV_MSG_ID_Set_Decode_Segment_Info. */ + + UINT32 number_of_segments; + + RV_Segment_Info *segment_info; + } RV_Segment_Info_MSG; + + +#define RV_MSG_ID_Set_Decode_Segment_Info 28 + /* This message, sent with the RV_Segment_Info_MSG structure, is used */ + /* to specify slice information to the decoder just prior to decoding */ + /* a bitstream. */ + /* number_of_segments should be set to one less than the number of */ + /* slices in the frame about to be decoded. */ + /* segment_info should point to an array of RV_Segment_Info */ + /* structures, which point to the slice offsets of the bitstream */ + /* that will be decoded next. */ + + + + /* */ + /* Define a custom decoder message for setting the smoothing postfilter's */ + /* strength. The strength ranges from 0 to RV_Maximum_Smoothing_Strength, */ + /* inclusive. */ + /* */ + /* This message must be sent with the RV_MSG_Simple structure. */ + /* Its value1 member should be RV_MSG_SET or RV_MSG_GET. */ + /* For RV_MSG_SET, value2 should be assigned the desired strength setting. */ + /* For RV_MSG_GET, value2 is assigned upon return to the current strength */ + /* setting. */ + /* */ +#define RV_MSG_ID_Smoothing_Strength 30 + +#define RV_Maximum_Smoothing_Strength 3 +#define RV_Default_Smoothing_Strength 1 + + + + /* Define a message to set the number of sizes, as well as the list of sizes */ + /* that are to be used for RealVideo-style RPR */ + /* This information is transmitted in the SPO (once). The front-end uses */ + /* the RV_MSG_ID_Set_RVDecoder_RPR_Data to communicate this information */ + /* to the back-end. Then, if num_sizes != 0, the back-end will read the */ + /* following information from the slice header: */ + /* .. */ + /* [TR (as before)] */ + /* if num_sizes != 0 */ + /* PCTSZ = getbits(log2(num_sizes)) */ + /* [MBA (as before)] */ + /* .. */ + + +#define RV_MSG_ID_Set_RVDecoder_RPR_Sizes 36 + + typedef struct { + + RV_Custom_Message_ID message_id; + /* message_id must be RV_MSG_ID_Set_RVDecoder_RPR_Sizes. */ + + UINT32 num_sizes; + /* The number of sizes to be used (switched between). */ + /* This number should include the original image size. */ + /* The maximum number of sizes is currently limited to 8. */ + + + UINT32 *sizes; + /* Pointer to array of image sizes. The array should have the */ + /* following format: */ + /* for (i = 0; i < num_sizes; i++) { */ + /* UINT32 horizontal_size[i] */ + /* UINT32 vertical_size[i] */ + /* } */ + /* This array should include the original image size */ + /* The order of sizes is not important. The decoder will */ + /* use PCTSZ as an index to look up in the array: */ + /* new_width = horizontal_size[PCTSZ] */ + /* new_height = vertical_size[PCTSZ] */ + + } RV_MSG_RVDecoder_RPR_Sizes; + + + + + /* Define a custom message to obtain timings for parts of the decode */ + /* For now, only the smoothing filte is interesting. */ + /* More could be added later */ + +#define RV_MSG_ID_Get_Decoder_Timings 42 + typedef struct { + + RV_Custom_Message_ID message_id; + + double smoothing_time; + double fru_time; + } RV_MSG_Get_Decoder_Timings; + + + /* */ + /* Define a custom message to set the video surface hardware */ + /* allocator and its properties */ + +#define RV_MSG_ID_Hw_Video_Memory 43 + /* */ + /* This message must be sent with the RV_MSG_Simple structure. */ + /* Its value1 member should be RV_MSG_DISABLE, RV_MSG_ENABLE or RV_MSG_GET. */ + /* For RV_MSG_GET, the current number of frame buffers is returned in value2, */ + /* and RV_MSG_ENABLE or RV_MSG_DISABLE returned in value1 */ + + + /* */ + /* Define a custom message to perform postfiltering into video */ + /* memory */ + /* */ +#define RV_MSG_ID_PostfilterFrame 44 + typedef struct { + + RV_Custom_Message_ID message_id; + UINT8 * data; + UINT8 * dest_buffer; + UINT32 dest_pitch; + INT32 cid_dest_color_format; + UINT32 flags; + } RV_MSG_PostfilterFrame; + + + + /* */ + /* Define a custom message to release frame from video */ + /* memory. */ + /* 'data' is a pointer to a DecodedFrame structure */ + /* */ + +#define RV_MSG_ID_ReleaseFrame 45 + typedef struct { + + RV_Custom_Message_ID message_id; + UINT8 * data; + } RV_MSG_ReleaseFrame; + + + /* */ + /* Define a custom message to retrieve latest DecodedFrame data */ + /* */ +#define RV_MSG_ID_RetrieveFrame 46 + typedef struct { + + RV_Custom_Message_ID message_id; + void * frame; + } RV_MSG_RetrieveFrame; + + + /* */ + /* Define a custom message to set the relied callback function */ + /* that is the function to be called in the renderer in case */ + /* it needs to blit (flip) a frame */ + /* */ + +#define RV_MSG_ID_SetReliefCallback 48 + typedef struct { + + RV_Custom_Message_ID message_id; + void * cmtm; + /* pointer to PN_CMTM struct (pncodec.h) */ + } RV_MSG_SetReliefCallback; + + /* */ + /* Define a custom message that enables/disables FRU */ + /* */ +#define RV_MSG_ID_Frame_Rate_Upsampling 49 + + + + /* */ + /* Define a custom message to get CPU performance counters from the decoder. */ + /* */ +#define RV_MSG_ID_Get_Decoder_Performance_Counters 52 + + typedef struct { + RV_Custom_Message_ID message_id; + UINT32 uNumCounters; + UINT32 *pCounters; + } RV_MSG_Get_Decoder_Performance_Counters; + + + /* */ + /* Define a custom message to enable and disable multithreading in the decoder */ + /* */ +#define RV_MSG_ID_Decoder_Multi_Threading 54 + + /* */ + /* Define a custom message to enable decoding of beta streams with multiple threads */ + /* */ +#define RV_MSG_ID_Decoder_Beta_Stream 55 + + /* */ + /* Define a custom message to signal RV8 bitstream */ + /* */ +#define RV_MSG_ID_RealVideo8 56 + + /* */ + /* Define a custom message to retrieve latest DecodedFrame data */ + /* */ +#define RV_MSG_ID_RetrieveFrameData 57 + typedef struct { + + RV_Custom_Message_ID message_id; + void * m_data; + UINT8 * m_pYPlane; + UINT8 * m_pUPlane; + UINT8 * m_pVPlane; + UINT32 m_pitch; + UINT32 m_width; + UINT32 m_height; + } RV_MSG_RetrieveFrameData; + + + + /* */ + /* Note to developers: */ + /* */ + /* Next available message ID is 58. */ + /* But 100 and above might already be in use, in "ccustmsg.h", so be careful. */ + /* */ + +#ifdef __cplusplus +} +#endif + +#endif /* RV_DECODE_MESSAGE_H */ diff --git a/audio_codec/libcook/rv_depack.c b/audio_codec/libcook/rv_depack.c new file mode 100644 index 0000000..72da4d3 --- a/dev/null +++ b/audio_codec/libcook/rv_depack.c @@ -0,0 +1,271 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_depack.c,v 1.1.1.1.2.1 2005/05/04 18:21:20 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "helix_types.h" +#include "helix_result.h" +#include "rv_depack.h" +#include "rv_depack_internal.h" +#include "rm_memory_default.h" +#include "rm_error_default.h" +#include "memory_utils.h" + +rv_depack* rv_depack_create(void* pAvail, + rv_frame_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError) +{ + return rv_depack_create2(pAvail, + fpAvail, + pUserError, + fpError, + HXNULL, + rm_memory_default_malloc, + rm_memory_default_free); +} + +rv_depack* rv_depack_create2(void* pAvail, + rv_frame_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + rv_depack* pRet = HXNULL; + + if (fpAvail && fpMalloc && fpFree) { + /* Allocate space for the rv_depack_internal struct + * by using the passed-in malloc function + */ + rv_depack_internal* pInt = + (rv_depack_internal*) fpMalloc(pUserMem, sizeof(rv_depack_internal)); + if (pInt) { + /* Zero out the struct */ + memset((void*) pInt, 0, sizeof(rv_depack_internal)); + /* Assign the frame callback members */ + pInt->pAvail = pAvail; + pInt->fpAvail = fpAvail; + /* + * Assign the error members. If the caller did not + * provide an error callback, then use the default + * rm_error_default(). + */ + if (fpError) { + pInt->fpError = fpError; + pInt->pUserError = pUserError; + } else { + pInt->fpError = rm_error_default; + pInt->pUserError = HXNULL; + } + /* Assign the memory functions */ + pInt->fpMalloc = fpMalloc; + pInt->fpFree = fpFree; + pInt->pUserMem = pUserMem; + /* Assign the return value */ + pRet = (rv_depack*) pInt; + } + } + + return pRet; +} + +HX_RESULT rv_depack_init(rv_depack* pDepack, rm_stream_header* header) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack && header) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + /* Call the internal init */ + retVal = rv_depacki_init(pInt, header); + } + + return retVal; +} + +UINT32 rv_depack_get_num_substreams(rv_depack* pDepack) +{ + UINT32 ulRet = 0; + + if (pDepack) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + /* Return the number of substreams */ + ulRet = pInt->multiStreamHdr.ulNumSubStreams; + } + + return ulRet; +} + +UINT32 rv_depack_get_codec_4cc(rv_depack* pDepack) +{ + UINT32 ulRet = 0; + + if (pDepack) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + if (pInt->pSubStreamHdr && + pInt->ulActiveSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Copy the subMOF tag */ + ulRet = pInt->pSubStreamHdr[pInt->ulActiveSubStream].ulSubMOFTag; + } + } + + return ulRet; +} + +HX_RESULT rv_depack_get_codec_init_info(rv_depack* pDepack, rv_format_info** ppInfo) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack && ppInfo) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + if (pInt->pSubStreamHdr && + pInt->ulActiveSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Clean up any existing format info */ + rv_depacki_cleanup_format_info(pInt, *ppInfo); + /* Allocate memory for the format info */ + *ppInfo = rv_depacki_malloc(pInt, sizeof(rv_format_info)); + if (*ppInfo) { + /* NULL out the memory */ + memset(*ppInfo, 0, sizeof(rv_format_info)); + /* Make a deep copy of the format info */ + retVal = rv_depacki_copy_format_info(pInt, + &pInt->pSubStreamHdr[pInt->ulActiveSubStream], + *ppInfo); + } + } + } + + return retVal; +} + +void rv_depack_destroy_codec_init_info(rv_depack* pDepack, rv_format_info** ppInfo) +{ + if (pDepack && ppInfo && *ppInfo) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + /* Clean up the format info's internal allocs */ + rv_depacki_cleanup_format_info(pInt, *ppInfo); + /* NULL it out */ + memset(*ppInfo, 0, sizeof(rv_format_info)); + /* Delete the memory associated with it */ + rv_depacki_free(pInt, *ppInfo); + /* NULL the pointer out */ + *ppInfo = HXNULL; + } +} + +HX_RESULT rv_depack_add_packet(rv_depack* pDepack, rm_packet* packet) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack && packet) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + /* Call the internal function */ + retVal = rv_depacki_add_packet(pInt, packet); + } + + return retVal; +} + +void rv_depack_destroy_frame(rv_depack* pDepack, rv_frame** ppFrame) +{ + if (pDepack && ppFrame && *ppFrame) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + /* Call the internal function */ + rv_depacki_cleanup_frame(pInt, ppFrame); + } +} + +HX_RESULT rv_depack_seek(rv_depack* pDepack, UINT32 ulTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + /* Call the internal function */ + retVal = rv_depacki_seek(pInt, ulTime); + } + + return retVal; +} + +void rv_depack_destroy(rv_depack** ppDepack) +{ + if (ppDepack) { + rv_depack_internal* pInt = (rv_depack_internal*) * ppDepack; + if (pInt && pInt->fpFree) { + /* Save a pointer to fpFree and pUserMem */ + rm_free_func_ptr fpFree = pInt->fpFree; + void* pUserMem = pInt->pUserMem; + /* Clean up the rule to flag map */ + if (pInt->rule2Flag.pulMap) { + rv_depacki_free(pInt, pInt->rule2Flag.pulMap); + pInt->rule2Flag.pulMap = HXNULL; + pInt->rule2Flag.ulNumRules = 0; + } + /* Clean up the rule to header map */ + if (pInt->multiStreamHdr.rule2SubStream.pulMap) { + rv_depacki_free(pInt, pInt->multiStreamHdr.rule2SubStream.pulMap); + pInt->multiStreamHdr.rule2SubStream.pulMap = HXNULL; + pInt->multiStreamHdr.rule2SubStream.ulNumRules = 0; + } + /* Clean up the format info array */ + rv_depacki_cleanup_format_info_array(pInt); + /* Clean up ignore header array */ + if (pInt->bIgnoreSubStream) { + rv_depacki_free(pInt, pInt->bIgnoreSubStream); + pInt->bIgnoreSubStream = HXNULL; + } + /* Clean up any current frame */ + rv_depacki_cleanup_frame(pInt, &pInt->pCurFrame); + /* Null everything out */ + memset(pInt, 0, sizeof(rv_depack_internal)); + /* Free the rm_parser_internal struct memory */ + fpFree(pUserMem, pInt); + /* NULL out the pointer */ + *ppDepack = HXNULL; + } + } +} + diff --git a/audio_codec/libcook/rv_depack.h b/audio_codec/libcook/rv_depack.h new file mode 100644 index 0000000..f5a2878 --- a/dev/null +++ b/audio_codec/libcook/rv_depack.h @@ -0,0 +1,162 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_depack.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_DEPACK_H +#define RV_DEPACK_H + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_error.h" +#include "rm_memory.h" +#include "rm_stream.h" +#include "rm_packet.h" +#include "rv_format_info.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* Callback functions */ + typedef HX_RESULT(*rv_frame_avail_func_ptr)(void* pAvail, UINT32 ulSubStreamNum, rv_frame* frame); + + /* + * rv_depack definition. Opaque to user. + */ + typedef void rv_depack; + + /* + * rv_depack_create + */ + rv_depack* rv_depack_create(void* pAvail, + rv_frame_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError); + + /* + * rv_depack_create2 + * + * This is the same as rv_depack_create(), but it allows + * the user to use custom memory allocation and free functions. + */ + rv_depack* rv_depack_create2(void* pAvail, + rv_frame_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* + * rv_depack_init + * + * This is initialized with a RealVideo rm_stream_header struct. + */ + HX_RESULT rv_depack_init(rv_depack* pDepack, rm_stream_header* header); + + /* + * rv_depack_get_num_substreams + * + * This accessor function tells how many video substreams there are + * in this video stream. For single-rate video streams, this will be 1. For + * SureStream video streams, this could be greater than 1. + */ + UINT32 rv_depack_get_num_substreams(rv_depack* pDepack); + + /* + * rv_depack_get_codec_4cc + * + * This accessor function returns the 4cc of the codec. This 4cc + * will be used to determine which codec to use. RealVideo always + * uses the same codec for all substreams. + */ + UINT32 rv_depack_get_codec_4cc(rv_depack* pDepack); + + /* + * rv_depack_get_codec_init_info + * + * This function fills in the structure which is used to initialize the codec. + */ + HX_RESULT rv_depack_get_codec_init_info(rv_depack* pDepack, rv_format_info** ppInfo); + + /* + * rv_depack_destroy_codec_init_info + * + * This function frees the memory associated with the rv_format_info object + * created by rv_depack_get_codec_init_info(). + */ + void rv_depack_destroy_codec_init_info(rv_depack* pDepack, rv_format_info** ppInfo); + + /* + * rv_depack_add_packet + * + * Put a video packet into the depacketizer. When enough data is + * present to depacketize, then the user will be called back + * on the rv_frame_avail_func_ptr set in rv_depack_create(). + */ + HX_RESULT rv_depack_add_packet(rv_depack* pDepack, rm_packet* packet); + + /* + * rv_depack_destroy_frame + * + * This cleans up a frame that was returned via + * the rv_frame_avail_func_ptr. + */ + void rv_depack_destroy_frame(rv_depack* pDepack, rv_frame** ppFrame); + + /* + * rv_depack_seek + * + * The user calls this function if the stream is seeked. It + * should be called before passing any post-seek packets. After calling + * rv_depack_seek(), no more pre-seek packets should be + * passed into rv_depack_add_packet(). + */ + HX_RESULT rv_depack_seek(rv_depack* pDepack, UINT32 ulTime); + + /* + * rv_depack_destroy + * + * This cleans up all memory allocated by the rv_depack_* calls + */ + void rv_depack_destroy(rv_depack** ppDepack); + + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RV_DEPACK_H */ diff --git a/audio_codec/libcook/rv_depack_internal.c b/audio_codec/libcook/rv_depack_internal.c new file mode 100644 index 0000000..951d7db --- a/dev/null +++ b/audio_codec/libcook/rv_depack_internal.c @@ -0,0 +1,1071 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_depack_internal.c,v 1.1.1.1.2.1 2005/05/04 18:21:20 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include +#include +//#include "includes.h" +#include "helix_types.h" +#include "helix_result.h" +#include "pack_utils.h" +#include "string_utils.h" +#include "memory_utils.h" +#include "packet_defines.h" +#include "codec_defines.h" +#include "stream_hdr_structs.h" +#include "stream_hdr_utils.h" +#include "rv_depack_internal.h" + +#define RM_MAX_UINT14 0x00003FFF +#define RM_MAX_UINT30 0x3FFFFFFF +#define MAX_INTERNAL_TIMESTAMP_DELTA 60000 + +void* rv_depacki_malloc(rv_depack_internal* pInt, UINT32 ulSize) +{ + void* pRet = HXNULL; + + if (pInt && pInt->fpMalloc) { + pRet = pInt->fpMalloc(pInt->pUserMem, ulSize); + } + + return pRet; +} + +void rv_depacki_free(rv_depack_internal* pInt, void* pMem) +{ + if (pInt && pInt->fpFree) { + pInt->fpFree(pInt->pUserMem, pMem); + } +} + +HX_RESULT rv_depacki_init(rv_depack_internal* pInt, rm_stream_header* hdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && hdr) { + /* Initialize local variables */ + UINT32 ulTmp = 0; + BYTE* pTmp = HXNULL; + UINT32 i = 0; + /* Check if we have a "HasRelativeTS" property - OK if we don't */ + if (HX_SUCCEEDED(rm_stream_get_property_int(hdr, "HasRelativeTS", &ulTmp))) { + pInt->bHasRelativeTimeStamps = (ulTmp ? TRUE : FALSE); + } + /* Check if we have a "ZeroTimeOffset" property - OK if we don't */ + if (HX_SUCCEEDED(rm_stream_get_property_int(hdr, "ZeroTimeOffset", &ulTmp))) { + pInt->ulZeroTimeOffset = ulTmp; + } + /* Check if we have a "RMFF 1.0 Flags" property */ + retVal = rm_stream_get_property_buf(hdr, "RMFF 1.0 Flags", &pTmp, &ulTmp); + if (retVal == HXR_OK) { + /* Unpack the rule2Flag map */ + rv_depacki_unpack_rule_map(pInt, &pInt->rule2Flag, &pTmp, &ulTmp); + /* Check if we have an "OpaqueData" property */ + retVal = rm_stream_get_property_buf(hdr, "OpaqueData", &pTmp, &ulTmp); + if (retVal == HXR_OK) { + /* Unpack the opaque data */ + retVal = rv_depacki_unpack_opaque_data(pInt, pTmp, ulTmp); + if (retVal == HXR_OK) { + /* + * Now that we've parsed all the headers, we need + * to see if there are any that need to be ignored. + * To do this, we parse the rules in the ASMRuleBook, + * and any rules that have "$OldPNMPlayer" as an expression, + * we will ignore. + */ + retVal = rv_depacki_check_rule_book(pInt, hdr); + if (retVal == HXR_OK) { + /* + * Now select the first non-ignored substream. If + * we are not surestream, this of course will be zero. + */ + pInt->ulActiveSubStream = 0; + if (pInt->bStreamSwitchable) { + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams; i++) { + if (!pInt->bIgnoreSubStream[i]) { + pInt->ulActiveSubStream = i; + break; + } + } + } + } + } + } + } + } + + return retVal; +} + +HX_RESULT rv_depacki_unpack_rule_map(rv_depack_internal* pInt, + rm_rule_map* pMap, + BYTE** ppBuf, + UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + retVal = rm_unpack_rule_map(ppBuf, pulLen, + pInt->fpMalloc, + pInt->fpFree, + pInt->pUserMem, + pMap); + } + + return retVal; +} + +HX_RESULT rv_depacki_unpack_multistream_hdr(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + retVal = rm_unpack_multistream_hdr(ppBuf, pulLen, + pInt->fpMalloc, + pInt->fpFree, + pInt->pUserMem, + &pInt->multiStreamHdr); + } + + return retVal; +} + +HX_RESULT rv_depacki_unpack_opaque_data(rv_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pBuf && ulLen >= 4) { + /* Initialize local variables */ + UINT32 ulSize = 0; + UINT32 ulID = 0; + UINT32 i = 0; + /* + * If the first four bytes are MLTI, then we + * know the opaque data contains a multistream header + * followed by several normal headers. So first we + * need to check the first four bytes. + */ + ulID = rm_unpack32(&pBuf, &ulLen); + /* Now back up 4 bytes */ + pBuf -= 4; + ulLen += 4; + /* Is this a multistream header? */ + if (ulID == RM_MULTIHEADER_OBJECT) { + /* Unpack the multistream header */ + retVal = rv_depacki_unpack_multistream_hdr(pInt, &pBuf, &ulLen); + if (retVal == HXR_OK) { + pInt->bStreamSwitchable = TRUE; + } + } else { + /* Single-rate stream */ + pInt->multiStreamHdr.ulNumSubStreams = 1; + /* Clear the stream switchable flag */ + pInt->bStreamSwitchable = FALSE; + /* Clear the return value */ + retVal = HXR_OK; + } + /* Clean up any existing substream header array */ + rv_depacki_cleanup_format_info_array(pInt); + /* Set the return value */ + retVal = HXR_FAIL; + /* Allocate space for substream header array */ + ulSize = pInt->multiStreamHdr.ulNumSubStreams * sizeof(rv_format_info); + pInt->pSubStreamHdr = (rv_format_info*) rv_depacki_malloc(pInt, ulSize); + if (pInt->pSubStreamHdr) { + /* NULL out the memory */ + memset(pInt->pSubStreamHdr, 0, ulSize); + /* Clear the return value */ + retVal = HXR_OK; + /* Loop through and unpack each substream header */ + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams && retVal == HXR_OK; i++) { + /* Is this a multiheader? */ + if (pInt->bStreamSwitchable) { + /* + * If this is a multistream header, then there + * is a 4-byte length in front of every substream header + */ + if (ulLen >= 4) { + ulSize = rm_unpack32(&pBuf, &ulLen); + } else { + retVal = HXR_FAIL; + } + } + /* Now unpack an substream header */ + retVal = rv_depacki_unpack_format_info(pInt, + &pInt->pSubStreamHdr[i], + &pBuf, &ulLen); + } + } + } + + return retVal; +} + +void rv_depacki_cleanup_format_info(rv_depack_internal* pInt, + rv_format_info* pInfo) +{ + if (pInt && pInfo && pInfo->pOpaqueData) { + rv_depacki_free(pInt, pInfo->pOpaqueData); + pInfo->pOpaqueData = HXNULL; + pInfo->ulOpaqueDataSize = 0; + } +} + +void rv_depacki_cleanup_format_info_array(rv_depack_internal* pInt) +{ + if (pInt && pInt->pSubStreamHdr) { + /* Clean up each individual rv_format_info */ + UINT32 i = 0; + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams; i++) { + rv_depacki_cleanup_format_info(pInt, &pInt->pSubStreamHdr[i]); + } + /* Clean up the array */ + rv_depacki_free(pInt, pInt->pSubStreamHdr); + pInt->pSubStreamHdr = HXNULL; + } +} + +HX_RESULT rv_depacki_unpack_format_info(rv_depack_internal* pInt, + rv_format_info* pInfo, + BYTE** ppBuf, + UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInfo && ppBuf && *ppBuf && pulLen && *pulLen >= 26) { + /* Clean up any existing opaque data */ + rv_depacki_cleanup_format_info(pInt, pInfo); + /* Unpack the format info struct */ + pInfo->ulLength = rm_unpack32(ppBuf, pulLen); + pInfo->ulMOFTag = rm_unpack32(ppBuf, pulLen); + pInfo->ulSubMOFTag = rm_unpack32(ppBuf, pulLen); + pInfo->usWidth = rm_unpack16(ppBuf, pulLen); + pInfo->usHeight = rm_unpack16(ppBuf, pulLen); + pInfo->usBitCount = rm_unpack16(ppBuf, pulLen); + pInfo->usPadWidth = rm_unpack16(ppBuf, pulLen); + pInfo->usPadHeight = rm_unpack16(ppBuf, pulLen); + pInfo->ufFramesPerSecond = rm_unpack32(ppBuf, pulLen); + /* Fix up the subMOF tag */ + if (pInfo->ulSubMOFTag == HX_RVTRVIDEO_ID) { + pInfo->ulSubMOFTag = HX_RV20VIDEO_ID; + } else if (pInfo->ulSubMOFTag == HX_RVTR_RV30_ID) { + pInfo->ulSubMOFTag = HX_RV30VIDEO_ID; + } + /* Compute the size of the opaque data */ + pInfo->ulOpaqueDataSize = pInfo->ulLength - 26; + /* Make sure we have enough left in the parsing buffer */ + if (*pulLen >= pInfo->ulOpaqueDataSize) { + /* Allocate a buffer of this size */ + pInfo->pOpaqueData = (BYTE*) rv_depacki_malloc(pInt, pInfo->ulOpaqueDataSize); + if (pInfo->pOpaqueData) { + /* Copy the buffer */ + memcpy(pInfo->pOpaqueData, *ppBuf, pInfo->ulOpaqueDataSize); + /* Advance the buffer */ + *ppBuf += pInfo->ulOpaqueDataSize; + *pulLen -= pInfo->ulOpaqueDataSize; + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + + return retVal; +} + +HX_RESULT rv_depacki_check_rule_book(rv_depack_internal* pInt, rm_stream_header* hdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && hdr) { + UINT32 ulSize = 0; + HXBOOL* pTmp = HXNULL; + char* pszRuleBook = HXNULL; + char* pStr = HXNULL; + char* pStrLimit = HXNULL; + UINT32 ulRule = 0; + UINT32 ulSubStream = 0; + const char* pszPNMStr = "$OldPNMPlayer"; + UINT32 ulPNMStrLen = strlen(pszPNMStr); + UINT32 ulNumRules = pInt->multiStreamHdr.rule2SubStream.ulNumRules; + UINT32 ulNumSubStreams = pInt->multiStreamHdr.ulNumSubStreams; + /* Is this SureStream? */ + if (pInt->bStreamSwitchable) { + /* Get the ASM Rule book */ + retVal = rm_stream_get_property_str(hdr, "ASMRuleBook", &pszRuleBook); + if (retVal == HXR_OK) { + /* Allocate space for the ignore header flags */ + ulSize = ulNumSubStreams * sizeof(HXBOOL); + pInt->bIgnoreSubStream = (HXBOOL*) rv_depacki_malloc(pInt, ulSize); + if (pInt->bIgnoreSubStream) { + /* NULL out the memory */ + memset(pInt->bIgnoreSubStream, 0, ulSize); + /* Allocate space for temporary boolean array */ + ulSize = ulNumRules * sizeof(HXBOOL); + pTmp = (HXBOOL*) rv_depacki_malloc(pInt, ulSize); + if (pTmp) { + /* NULL out the array */ + memset(pTmp, 0, ulSize); + /* Parse the string */ + pStr = pszRuleBook; + pStrLimit = pszRuleBook + strlen(pszRuleBook); + ulRule = 0; + while (pStr < pStrLimit && *pStr) { + while (pStr < pStrLimit && *pStr != ';') { + /* ignore quoted strings */ + if (*pStr == '"') { + /* step past open quote */ + pStr++; + /* ignore the string */ + while (pStr < pStrLimit && *pStr != '"') { + pStr++; + } + /* step past end quote occurs at bottom of while !';' loop. */ + } + + if (pStr + ulPNMStrLen < pStrLimit && *pStr == '$') { + /* check to see if we have a $OldPNMPlayer variable */ + if (!strncasecmp(pszPNMStr, pStr, ulPNMStrLen)) { + pStr += ulPNMStrLen; + pTmp[ulRule] = TRUE; + } + } + pStr++; + } + /* step past the ';' */ + pStr++; + /* next rule */ + ulRule++; + } + /* + * Now if pTmp[i] == TRUE, then we should ignore the + * substreams which correspond to rule i + */ + for (ulRule = 0; ulRule < ulNumRules; ulRule++) { + ulSubStream = rv_depacki_rule_to_substream(pInt, ulRule); + if (ulSubStream < ulNumSubStreams) { + pInt->bIgnoreSubStream[ulSubStream] = pTmp[ulRule]; + } + } + } + } + } + } else { + /* Not an error */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rv_depacki_copy_format_info(rv_depack_internal* pInt, + rv_format_info* pSrc, + rv_format_info* pDst) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pSrc && pDst) { + /* Clean up any existing format info */ + rv_depacki_cleanup_format_info(pInt, pDst); + /* Copy the members */ + pDst->ulLength = pSrc->ulLength; + pDst->ulMOFTag = pSrc->ulMOFTag; + pDst->ulSubMOFTag = pSrc->ulSubMOFTag; + pDst->usWidth = pSrc->usWidth; + pDst->usHeight = pSrc->usHeight; + pDst->usBitCount = pSrc->usBitCount; + pDst->usPadWidth = pSrc->usPadWidth; + pDst->usPadHeight = pSrc->usPadHeight; + pDst->ufFramesPerSecond = pSrc->ufFramesPerSecond; + pDst->ulOpaqueDataSize = pSrc->ulOpaqueDataSize; + /* Copy the opaque data buffer */ + pDst->pOpaqueData = copy_buffer(pInt->pUserMem, + pInt->fpMalloc, + pSrc->pOpaqueData, + pSrc->ulOpaqueDataSize); + if (pDst->pOpaqueData) { + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rv_depacki_add_packet(rv_depack_internal* pInt, + rm_packet* pPacket) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pPacket) { + /* Init local variables */ + BYTE* pBuf = pPacket->pData; + UINT32 ulLen = (UINT32) pPacket->usDataLen; + UINT32 ulSubStream = 0; + rv_frame_hdr hdr; + /* Clear the return value */ + retVal = HXR_OK; + /* Make sure we are not ignoring this substream */ + ulSubStream = rv_depacki_rule_to_substream(pInt, pPacket->ucASMRule); + if (!pInt->bStreamSwitchable || + !pInt->bIgnoreSubStream[ulSubStream]) { + /* Loop through the packet buffer */ + while (ulLen && retVal == HXR_OK) { + /* Parse the current point in the packet buffer */ + retVal = rv_depacki_parse_frame_header(pInt, &pBuf, &ulLen, pPacket, &hdr); + if (retVal == HXR_OK) { + /* Switch based on frame header type */ + switch (hdr.eType) { + case RVFrameTypePartial: + case RVFrameTypeLastPartial: + retVal = rv_depacki_handle_partial(pInt, &pBuf, &ulLen, pPacket, &hdr); + break; + case RVFrameTypeMultiple: + case RVFrameTypeWhole: + retVal = rv_depacki_handle_one_frame(pInt, &pBuf, &ulLen, pPacket, &hdr); + break; + } + } + } + } + } + + return retVal; +} + +UINT32 rv_depacki_rule_to_flags(rv_depack_internal* pInt, UINT32 ulRule) +{ + UINT32 ulRet = 0; + + if (pInt && + pInt->rule2Flag.pulMap && + ulRule < pInt->rule2Flag.ulNumRules) { + ulRet = pInt->rule2Flag.pulMap[ulRule]; + } + + return ulRet; +} + +UINT32 rv_depacki_rule_to_substream(rv_depack_internal* pInt, UINT32 ulRule) +{ + UINT32 ulRet = 0; + + if (pInt && + pInt->multiStreamHdr.rule2SubStream.pulMap && + ulRule < pInt->multiStreamHdr.rule2SubStream.ulNumRules) { + ulRet = pInt->multiStreamHdr.rule2SubStream.pulMap[ulRule]; + } + + return ulRet; +} + +HX_RESULT rv_depacki_parse_frame_header(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && ppBuf && pulLen && pFrameHdr && *pulLen >= 2 && + *ppBuf >= pPacket->pData && + *ppBuf < pPacket->pData + pPacket->usDataLen) { + /* Initialize local variables */ + UINT32 ulTmp = 0; + HXBOOL bTmp = FALSE; + UINT32 ulOrigPacketTimeStamp = 0; + UINT32 ulClippedPacketTS = 0; + UINT32 ulDelta = 0; + BYTE* pBufAtStart = *ppBuf; + /* Set the offset of the header in the packet */ + pFrameHdr->ulHeaderOffset = pBufAtStart - pPacket->pData; + /* Parse the RVFrameType */ + pFrameHdr->eType = (RVFrameType)((pBufAtStart[0] & 0xC0) >> 6); + /* Switch based on frame type */ + switch (pFrameHdr->eType) { + case RVFrameTypePartial: + case RVFrameTypeLastPartial: + /* Unpack the bit field */ + ulTmp = rm_unpack16(ppBuf, pulLen); + pFrameHdr->ulNumPackets = ((ulTmp & 0x00003F80) >> 7); + pFrameHdr->ulPacketNum = (ulTmp & 0x0000007F); + /* Read the frame size */ + retVal = rv_depacki_read_14_or_30(ppBuf, pulLen, + &pFrameHdr->bBrokenUpByUs, + &pFrameHdr->ulFrameSize); + if (retVal == HXR_OK) { + /* Read the partial size or offset */ + ulTmp = 0; + retVal = rv_depacki_read_14_or_30(ppBuf, pulLen, &bTmp, &ulTmp); + if (retVal == HXR_OK) { + /* Make sure we have one byte */ + if (*pulLen >= 1) { + /* Get the sequence number */ + pFrameHdr->ulSeqNum = rm_unpack8(ppBuf, pulLen); + /* Assign the timestamp */ + pFrameHdr->ulTimestamp = pPacket->ulTime; + /* Compute the header size */ + pFrameHdr->ulHeaderSize = *ppBuf - pBufAtStart; + /* Assign the partial frame size and the partial frame offset. */ + if (pFrameHdr->eType == RVFrameTypePartial) { + /* + * For partial frames the partial_size_or_offset + * member contains the offset into the frame. The size + * of the partial frame is just the amount of data + * in the packet minus the header size. + */ + pFrameHdr->ulPartialFrameOffset = ulTmp; + pFrameHdr->ulPartialFrameSize = ((UINT32) pPacket->usDataLen) - + pFrameHdr->ulHeaderSize; + } else { + /* + * For last-partial frames, there could be other frame + * data after this, so the partial_size_or_offset field + * contains the partial frame size, not offset. We then + * compute the offset by subtracting the overall frame + * size from the partial frame size. + */ + pFrameHdr->ulPartialFrameSize = ulTmp; + pFrameHdr->ulPartialFrameOffset = pFrameHdr->ulFrameSize - ulTmp; + } + } else { + retVal = HXR_FAIL; + } + } + } + break; + case RVFrameTypeWhole: + /* Skip the one-byte frame type */ + rm_unpack8(ppBuf, pulLen); + /* Unpack the sequence number */ + pFrameHdr->ulSeqNum = rm_unpack8(ppBuf, pulLen); + /* Compute the header size */ + pFrameHdr->ulHeaderSize = *ppBuf - pBufAtStart; + /* Assign the frame header members */ + pFrameHdr->ulNumPackets = 1; + pFrameHdr->ulPacketNum = 1; + pFrameHdr->ulFrameSize = ((UINT32) pPacket->usDataLen) - + pFrameHdr->ulHeaderSize; + pFrameHdr->ulTimestamp = pPacket->ulTime; + pFrameHdr->bBrokenUpByUs = FALSE; + pFrameHdr->ulPartialFrameOffset = 0; + pFrameHdr->ulPartialFrameSize = 0; + /* Clear return value */ + retVal = HXR_OK; + break; + case RVFrameTypeMultiple: + /* + * For multiple frames, we still set ulNumPackets + * and ulPacketNum to 1, even though we know + * there are multiple packets. + */ + pFrameHdr->ulNumPackets = 1; + pFrameHdr->ulPacketNum = 1; + /* Skip the frame type */ + rm_unpack8(ppBuf, pulLen); + /* Unpack the frame size */ + retVal = rv_depacki_read_14_or_30(ppBuf, pulLen, &bTmp, + &pFrameHdr->ulFrameSize); + if (retVal == HXR_OK) { + /* For multiple frames, there is no partial size or offset */ + pFrameHdr->ulPartialFrameOffset = 0; + pFrameHdr->ulPartialFrameSize = 0; + /* Unpack the timestamp */ + retVal = rv_depacki_read_14_or_30(ppBuf, pulLen, &bTmp, + &pFrameHdr->ulTimestamp); + if (retVal == HXR_OK) { + /* Does this stream have relative timestamps? */ + if (pInt->bHasRelativeTimeStamps) { + /* + * Yes, we have relative timestamps so offset + * the timestamp in the frame header by the + * packet timestamp. + */ + pFrameHdr->ulTimestamp += pPacket->ulTime; + } else { + /* No relative timestamps */ + ulOrigPacketTimeStamp = pPacket->ulTime + pInt->ulZeroTimeOffset; + /* + * Because of a bug in the original Write14or30() which didn't mask + * the high bytes of the timestamp before |ing them with the flags, + * it's possible to read frame headers that are screwed up. If the + * application using this class sets the timestamp of the network packet + * before unpacking the header, we can determine if this header is + * screwed up and fix it. + */ + /* + * If the time stamp returned is less than the packet timestamp + * something is screwed up. If the packet timestamp is > 14 bits, + * the frame timestamp is < the packet timestamp and the packet + * timestamp is < 14 bits then the Write14or30 bug described above + * may have occured. It's possible for rollover to occur and trigger + * this so we check for that too. If the bug occured, we want to read 30 bits. + */ + if (ulOrigPacketTimeStamp > RM_MAX_UINT14 && + ulOrigPacketTimeStamp > pFrameHdr->ulTimestamp && + pFrameHdr->ulTimestamp < RM_MAX_UINT14 && + /* + * check for rollover. If we assume ulOrigPacketTimeStamp is from before + * rollover and m_ulTimeStamp is from after, the left hand expression below + * should be a small number because m_ulPacketTimeSamp will be close to + * MAX_UINT30 and m_ulTimeStamp will be close to 0. I chose 60 seconds + * since two frames 60 seconds appart shouldn't be in the same packet + * due to latency considerations in the encoder. JEFFA 4/28/99 + */ + !(((RM_MAX_UINT30 - ulOrigPacketTimeStamp) + pFrameHdr->ulTimestamp) <= 60000UL)) { + /* We should have read 14 bits, so back up 2 bytes */ + *ppBuf -= 2; + *pulLen += 2; + /* Now read 32 bits instead */ + pFrameHdr->ulTimestamp = rm_unpack32(ppBuf, pulLen); + } + + /* Clip the timestamp at 30 bits */ + ulClippedPacketTS = (ulOrigPacketTimeStamp & RM_MAX_UINT30); + /* + * Much code in the system assumes full 32 bit typestamps; reconstruct + * them here. We assume child timestamps are no more than 2^30 - 1 away + */ + ulDelta = (pFrameHdr->ulTimestamp >= ulClippedPacketTS ? + pFrameHdr->ulTimestamp - ulClippedPacketTS : + RM_MAX_UINT30 - ulClippedPacketTS + pFrameHdr->ulTimestamp); + pFrameHdr->ulTimestamp = ulOrigPacketTimeStamp + ulDelta; + /* If we have a zero time offset, we need to offset this timestamp */ + pFrameHdr->ulTimestamp -= pInt->ulZeroTimeOffset; + + /* + * Ensure that we have not caused the timestamp to fall behind + * the packet timestamp when we have subtracted zero time offset + */ + if (pInt->ulZeroTimeOffset && + (((INT32) pFrameHdr->ulTimestamp) - ((INT32) pPacket->ulTime) < 0)) { + pFrameHdr->ulTimestamp = pPacket->ulTime; + } + + /* + * If older rmffplin is serving this slta stream and internal + * frame timestamp is much larger than pkt timestamp, then + * we are dealing with un-translated-for-slta-live internal + * frame timestamps (the above calculation w/ ulDelta made + * super-small timestamps into super-large ones). Here, we + * adjust and make the internal timestamp equal to the pkt timestamp + */ + if (pFrameHdr->ulTimestamp - pPacket->ulTime > MAX_INTERNAL_TIMESTAMP_DELTA) { + pFrameHdr->ulTimestamp = pPacket->ulTime; + } + } + /* Read the sequence number */ + pFrameHdr->ulSeqNum = rm_unpack8(ppBuf, pulLen); + } + } + break; + } + if (retVal == HXR_OK) { + /* Compute the number of bytes in the frame header we just parsed. */ + pFrameHdr->ulHeaderSize = *ppBuf - pBufAtStart; + } + } + + return retVal; +} + +HX_RESULT rv_depacki_read_14_or_30(BYTE** ppBuf, + UINT32* pulLen, + HXBOOL* pbHiBit, + UINT32* pulValue) +{ + HX_RESULT retVal = HXR_FAIL; + + if (ppBuf && pulLen && pbHiBit && pulValue && *ppBuf && *pulLen >= 2) { + /* Init local variables */ + UINT32 ulTmp = (*ppBuf)[0]; + /* Assign the high bit */ + *pbHiBit = ((ulTmp & 0x80) ? TRUE : FALSE); + /* + * Check the length bit. If it's 1, then + * this is a 14-bit value. If it's 0, then + * this is a 30-bit value. + */ + if (ulTmp & 0x40) { + /* + * This is a 14-bit value, so unpack 16 bits. + * We don't need to check the buffer size, since + * we already checked for a minimum of 2 bytes above. + */ + ulTmp = rm_unpack16(ppBuf, pulLen); + /* Mask out the upper two bits */ + *pulValue = (ulTmp & 0x00003FFF); + /* Clear the return value */ + retVal = HXR_OK; + } else { + /* This is a 30-bit value, so check size */ + if (*pulLen >= 4) { + /* Unpack 32 bits */ + ulTmp = rm_unpack32(ppBuf, pulLen); + /* Mask out the upper 2 bits */ + *pulValue = (ulTmp & 0x3FFFFFFF); + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + + return retVal; +} + +HX_RESULT rv_depacki_handle_partial(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && ppBuf && pulLen && pPacket && pFrameHdr && *ppBuf) { + /* Init local variables */ + UINT32 i = 0; + UINT32 ulOffset = 0; + HXBOOL bAllThere = FALSE; + /* Clear the reutrn value */ + retVal = HXR_OK; + /* + * If we have a current frame and its timestamp + * is different from the packet timestamp, + * then we will send it. + */ + if (pInt->pCurFrame && + pInt->pCurFrame->ulTimestamp != pPacket->ulTime) { + /* Send the current frame */ + retVal = rv_depacki_send_current_frame(pInt); + } + /* Do we have a current frame? */ + if (retVal == HXR_OK && !pInt->pCurFrame) { + /* We don't have a current frame, so create one */ + retVal = rv_depacki_create_frame(pInt, pPacket, pFrameHdr, + &pInt->pCurFrame); + } + if (retVal == HXR_OK) { + /* Set the return value */ + retVal = HXR_FAIL; + /* Sanity check */ + ulOffset = pFrameHdr->ulPartialFrameOffset + pFrameHdr->ulPartialFrameSize; + if (ulOffset <= pInt->pCurFrame->ulDataLen && + *pulLen >= pFrameHdr->ulPartialFrameSize && + pFrameHdr->ulPacketNum - 1 < pInt->pCurFrame->ulNumSegments) { + /* Copy the data into the frame data buffer */ + memcpy(pInt->pCurFrame->pData + pFrameHdr->ulPartialFrameOffset, + *ppBuf, + pFrameHdr->ulPartialFrameSize); + /* The segment indices in the frame header are 1-based */ + i = pFrameHdr->ulPacketNum - 1; + /* Update the segment information */ + pInt->pCurFrame->pSegment[i].bIsValid = TRUE; + pInt->pCurFrame->pSegment[i].ulOffset = pFrameHdr->ulPartialFrameOffset; + /* + * Set the offset for the segment after this one and all other + * segments until we find a valid one or we run out of segments. + * This allows a codec to know where missing data would go for + * single loss. For multiple loss in a row the offset is set + * to the same offset since the size of the missing segments + * isn't known. + */ + for (i = pFrameHdr->ulPacketNum; + i < pInt->pCurFrame->ulNumSegments && + !pInt->pCurFrame->pSegment[i].bIsValid; + i++) { + pInt->pCurFrame->pSegment[i].ulOffset = ulOffset; + } + /* Check to see if all segments are present */ + bAllThere = TRUE; + for (i = 0; i < pInt->pCurFrame->ulNumSegments && bAllThere; i++) { + bAllThere = pInt->pCurFrame->pSegment[i].bIsValid; + } + /* Clear the return value */ + retVal = HXR_OK; + /* Are all segments present? */ + if (bAllThere) { + /* We've got the entire packet, so send it */ + retVal = rv_depacki_send_current_frame(pInt); + } + if (retVal == HXR_OK) { + /* Advance the buffer */ + *ppBuf += pFrameHdr->ulPartialFrameSize; + *pulLen -= pFrameHdr->ulPartialFrameSize; + } + } + } + } + + return retVal; +} + +HX_RESULT rv_depacki_handle_one_frame(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && ppBuf && pulLen && pPacket && pFrameHdr && *ppBuf) { + /* If we have a current frame, send it */ + retVal = rv_depacki_send_current_frame(pInt); + if (retVal == HXR_OK) { + /* Create a current frame */ + retVal = rv_depacki_create_frame(pInt, pPacket, pFrameHdr, + &pInt->pCurFrame); + if (retVal == HXR_OK) { + /* Set the return value */ + retVal = HXR_FAIL; + /* Sanity check on parsed values */ + if (*pulLen >= pInt->pCurFrame->ulDataLen) { + /* Copy the data */ + memcpy(pInt->pCurFrame->pData, *ppBuf, + pInt->pCurFrame->ulDataLen); + /* Set the one and only segment */ + pInt->pCurFrame->pSegment[0].bIsValid = TRUE; + pInt->pCurFrame->pSegment[0].ulOffset = 0; + /* Send the frame we just created */ + retVal = rv_depacki_send_current_frame(pInt); + if (retVal == HXR_OK) { + /* Advance the buffer */ + *ppBuf += pFrameHdr->ulFrameSize; + *pulLen -= pFrameHdr->ulFrameSize; + } + } + } + } + } + + return retVal; +} + +HX_RESULT rv_depacki_send_current_frame(rv_depack_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->fpAvail) { + /* Init local variables */ + HXBOOL bDoSend = TRUE; + UINT32 i = 0; + /* Clear the return value */ + retVal = HXR_OK; + /* Do we have a current frame? Not an error if we don't. */ + if (pInt->pCurFrame) { + /* Was the packet broken up by us? */ + if (pInt->bBrokenUpByUs) { + /* + * Make sure all the segments are there; + * otherwise, don't send it. After leaving + * the for loop below, bDoSend will only + * be TRUE if all the segments are valid. + */ + for (i = 0; i < pInt->pCurFrame->ulNumSegments && bDoSend; i++) { + bDoSend = pInt->pCurFrame->pSegment[i].bIsValid; + } + /* Are we going to send this frame? */ + if (bDoSend && pInt->pCurFrame->ulNumSegments) { + /* Collapse all the segment info into 1 segment */ + pInt->pCurFrame->pSegment[0].bIsValid = TRUE; + pInt->pCurFrame->pSegment[0].ulOffset = 0; + /* Reset the number of segments to 1 */ + pInt->pCurFrame->ulNumSegments = 1; + } + } + /* Are we going to send this frame? */ + if (bDoSend) { + /* Call the frame available function pointer */ + retVal = pInt->fpAvail(pInt->pAvail, + pInt->ulActiveSubStream, + pInt->pCurFrame); + + } else { + /* Free the frame */ + rv_depacki_cleanup_frame(pInt, &pInt->pCurFrame); + } + /* NULL out the pointer */ + pInt->pCurFrame = HXNULL; + } + } + + return retVal; +} + +void rv_depacki_cleanup_frame(rv_depack_internal* pInt, + rv_frame** ppFrame) +{ + if (pInt && ppFrame && *ppFrame) { + /* Free the encoded frame buffer */ + if ((*ppFrame)->pData) { + rv_depacki_free(pInt, (*ppFrame)->pData); + (*ppFrame)->pData = HXNULL; + } + /* Free the segment array */ + if ((*ppFrame)->pSegment) { + rv_depacki_free(pInt, (*ppFrame)->pSegment); + (*ppFrame)->pSegment = HXNULL; + } + /* NULL out the frame */ + memset(*ppFrame, 0, sizeof(rv_frame)); + /* Delete the space for the frame struct itself */ + rv_depacki_free(pInt, *ppFrame); + /* NULL out the pointer */ + *ppFrame = HXNULL; + } +} + +HX_RESULT rv_depacki_create_frame(rv_depack_internal* pInt, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr, + rv_frame** ppFrame) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pPacket && pFrameHdr && ppFrame && + pFrameHdr->ulFrameSize && pFrameHdr->ulNumPackets) { + /* Init local variables */ + rv_frame* pFrame = HXNULL; + UINT32 ulSize = 0; + UINT32 ulSeqNum = 0; + UINT32 ulFlags = 0; + /* Clean out any existing frame */ + rv_depacki_cleanup_frame(pInt, ppFrame); + /* Allocate space rv_frame struct */ + pFrame = rv_depacki_malloc(pInt, sizeof(rv_frame)); + if (pFrame) { + /* NULL out the memory */ + memset(pFrame, 0, sizeof(rv_frame)); + /* Allocate enough space for the data */ + pFrame->pData = rv_depacki_malloc(pInt, pFrameHdr->ulFrameSize); + if (pFrame->pData) { + /* NULL out the memory */ + memset(pFrame->pData, 0, pFrameHdr->ulFrameSize); + /* Assign the data size */ + pFrame->ulDataLen = pFrameHdr->ulFrameSize; + /* Allocate space for segment array */ + ulSize = pFrameHdr->ulNumPackets * sizeof(rv_segment); + pFrame->pSegment = rv_depacki_malloc(pInt, ulSize); + if (pFrame->pSegment) { + /* + * NULL out the memory. This effectively sets + * all the bIsValid flags to FALSE and ulOffset + * values to zero. + */ + memset(pFrame->pSegment, 0, ulSize); + /* Assign the rest of the members of the frame struct */ + pFrame->ulNumSegments = pFrameHdr->ulNumPackets; + pFrame->ulTimestamp = pFrameHdr->ulTimestamp; + pFrame->bLastPacket = FALSE; + /* Look up the flags from the packet ASM rule */ + ulFlags = rv_depacki_rule_to_flags(pInt, pPacket->ucASMRule); + /* + * If this is a packet with only multiple frames and the + * packet is a keyframe packet, then we only want the FIRST frame + * to be labelled as a keyframe. If this packet has a + * last-partial frame followed by multiple frames, then + * we don't want ANY of the multiple frames to be labelled + * as a keyframe. To implement this logic, we can do + * the following check: if this is a multiple frames header + * AND that header did not start at the beginning of the packet, + * then we need to clear the keyframe flag. + */ + if (pFrameHdr->eType == RVFrameTypeMultiple && + pFrameHdr->ulHeaderOffset) { + ulFlags &= ~HX_KEYFRAME_FLAG; + } + /* Assign the frame flags */ + pFrame->usFlags = (UINT16) ulFlags; + /* Compute the output sequence number */ + if (pInt->bCreatedFirstFrame) { + /* + * The sequence number in the RV frame is only + * one byte, so every 256 frames, it rolls over + * from 255 back to 0. Check to see if we've + * rolled over with this frame. + */ + if (pFrameHdr->ulSeqNum < pInt->ulLastSeqNumIn) { + /* We rolled over */ + pInt->ulLastSeqNumOut += pFrameHdr->ulSeqNum + 256 - pInt->ulLastSeqNumIn; + } else { + pInt->ulLastSeqNumOut += pFrameHdr->ulSeqNum - pInt->ulLastSeqNumIn; + } + /* Save the last input sequence number */ + pInt->ulLastSeqNumIn = pFrameHdr->ulSeqNum; + } else { + /* + * Always start the output sequence number at 0, even + * if we lost a few packets and the actual input sequence + * number in the RV frame my not be 0. + */ + pInt->ulLastSeqNumOut = 0; + pInt->ulLastSeqNumIn = pFrameHdr->ulSeqNum; + pInt->bCreatedFirstFrame = TRUE; + } + /* Assign the sequence number */ + pFrame->usSequenceNum = (UINT16)(pInt->ulLastSeqNumOut & 0x0000FFFF); + /* Assign the broken-up-by-us flag */ + pInt->bBrokenUpByUs = pFrameHdr->bBrokenUpByUs; + /* Assign the out parameter */ + *ppFrame = pFrame; + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + } + + return retVal; +} + +HX_RESULT rv_depacki_seek(rv_depack_internal* pInt, UINT32 ulTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Clean up any existing partial frame */ + rv_depacki_cleanup_frame(pInt, &pInt->pCurFrame); + /* Clear the return value */ + retVal = HXR_OK; + } + + return retVal; +} + diff --git a/audio_codec/libcook/rv_depack_internal.h b/audio_codec/libcook/rv_depack_internal.h new file mode 100644 index 0000000..b0ebdea --- a/dev/null +++ b/audio_codec/libcook/rv_depack_internal.h @@ -0,0 +1,171 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_depack_internal.h,v 1.1.1.1.2.1 2005/05/04 18:21:20 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_DEPACK_INTERNAL_H +#define RV_DEPACK_INTERNAL_H + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "rm_error.h" +#include "rv_depack.h" +#include "stream_hdr_structs.h" + +#ifdef __cplusplus +extern "C" { +#endif + + /* Frame type enum */ + typedef enum + { + RVFrameTypePartial, + RVFrameTypeWhole, + RVFrameTypeLastPartial, + RVFrameTypeMultiple + } + RVFrameType; + + /* Struct which holds frame header info */ + typedef struct rv_frame_hdr_struct { + RVFrameType eType; + UINT32 ulPacketNum; + UINT32 ulNumPackets; + UINT32 ulFrameSize; + UINT32 ulPartialFrameSize; + UINT32 ulPartialFrameOffset; + UINT32 ulTimestamp; + UINT32 ulSeqNum; + UINT32 ulHeaderSize; + UINT32 ulHeaderOffset; + HXBOOL bBrokenUpByUs; + } rv_frame_hdr; + + /* + * Internal rv_depack struct + */ + typedef struct rv_depack_internal_struct { + void* pAvail; + rv_frame_avail_func_ptr fpAvail; + rm_error_func_ptr fpError; + void* pUserError; + rm_malloc_func_ptr fpMalloc; + rm_free_func_ptr fpFree; + void* pUserMem; + UINT32 ulZeroTimeOffset; + HX_BITFIELD bHasRelativeTimeStamps; + rm_rule_map rule2Flag; + rm_multistream_hdr multiStreamHdr; + rv_format_info* pSubStreamHdr; + HXBOOL* bIgnoreSubStream; + HXBOOL bStreamSwitchable; + UINT32 ulActiveSubStream; + rv_frame* pCurFrame; + HXBOOL bBrokenUpByUs; + HXBOOL bCreatedFirstFrame; + UINT32 ulLastSeqNumIn; + UINT32 ulLastSeqNumOut; + } rv_depack_internal; + + /* + * Internal rv_depack functions + */ + void* rv_depacki_malloc(rv_depack_internal* pInt, UINT32 ulSize); + void rv_depacki_free(rv_depack_internal* pInt, void* pMem); + HX_RESULT rv_depacki_init(rv_depack_internal* pInt, rm_stream_header* hdr); + HX_RESULT rv_depacki_unpack_rule_map(rv_depack_internal* pInt, + rm_rule_map* pMap, + BYTE** ppBuf, + UINT32* pulLen); + HX_RESULT rv_depacki_unpack_multistream_hdr(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen); + HX_RESULT rv_depacki_unpack_opaque_data(rv_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen); + void rv_depacki_cleanup_format_info(rv_depack_internal* pInt, + rv_format_info* pInfo); + void rv_depacki_cleanup_format_info_array(rv_depack_internal* pInt); + HX_RESULT rv_depacki_unpack_format_info(rv_depack_internal* pInt, + rv_format_info* pInfo, + BYTE** ppBuf, + UINT32* pulLen); + HX_RESULT rv_depacki_check_rule_book(rv_depack_internal* pInt, + rm_stream_header* hdr); + HX_RESULT rv_depacki_copy_format_info(rv_depack_internal* pInt, + rv_format_info* pSrc, + rv_format_info* pDst); + HX_RESULT rv_depacki_add_packet(rv_depack_internal* pInt, + rm_packet* pPacket); + UINT32 rv_depacki_rule_to_flags(rv_depack_internal* pInt, UINT32 ulRule); + UINT32 rv_depacki_rule_to_substream(rv_depack_internal* pInt, UINT32 ulRule); + HX_RESULT rv_depacki_parse_frame_header(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr); + HX_RESULT rv_depacki_read_14_or_30(BYTE** ppBuf, + UINT32* pulLen, + HXBOOL* pbHiBit, + UINT32* pulValue); + HX_RESULT rv_depacki_handle_partial(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr); + HX_RESULT rv_depacki_handle_one_frame(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr); + HX_RESULT rv_depacki_send_current_frame(rv_depack_internal* pInt); + void rv_depacki_cleanup_frame(rv_depack_internal* pInt, + rv_frame** ppFrame); + HX_RESULT rv_depacki_create_frame(rv_depack_internal* pInt, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr, + rv_frame** ppFrame); + void rv_depacki_check_to_clear_keyframe_flag(BYTE* pBuf, + UINT32 ulLen, + rm_packet* pkt, + rv_frame_hdr* hdr); + HX_RESULT rv_depacki_seek(rv_depack_internal* pInt, UINT32 ulTime); + +#ifdef __cplusplus +} +#endif + +#endif /* #ifndef RV_DEPACK_INTERNAL_H */ diff --git a/audio_codec/libcook/rv_format_info.h b/audio_codec/libcook/rv_format_info.h new file mode 100644 index 0000000..29554fe --- a/dev/null +++ b/audio_codec/libcook/rv_format_info.h @@ -0,0 +1,91 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_format_info.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_FORMAT_INFO_H +#define RV_FORMAT_INFO_H + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + +#include "helix_types.h" + + typedef struct rv_format_info_struct { + UINT32 ulLength; + UINT32 ulMOFTag; + UINT32 ulSubMOFTag; + UINT16 usWidth; + UINT16 usHeight; + UINT16 usBitCount; + UINT16 usPadWidth; + UINT16 usPadHeight; + UFIXED32 ufFramesPerSecond; + UINT32 ulOpaqueDataSize; + BYTE* pOpaqueData; + } rv_format_info; + + /* + * RV frame struct. + */ + typedef struct rv_segment_struct { + HXBOOL bIsValid; + UINT32 ulOffset; + } rv_segment; + + typedef struct rv_frame_struct { + UINT32 ulDataLen; + BYTE* pData; + UINT32 ulTimestamp; + UINT16 usSequenceNum; + UINT16 usFlags; + HXBOOL bLastPacket; + UINT32 ulNumSegments; + rv_segment* pSegment; + } rv_frame; + +#define BYTE_SWAP_UINT16(A) ((((UINT16)(A) & 0xff00) >> 8) | \ + (((UINT16)(A) & 0x00ff) << 8)) +#define BYTE_SWAP_UINT32(A) ((((UINT32)(A) & 0xff000000) >> 24) | \ + (((UINT32)(A) & 0x00ff0000) >> 8) | \ + (((UINT32)(A) & 0x0000ff00) << 8) | \ + (((UINT32)(A) & 0x000000ff) << 24)) + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RV_FORMAT_INFO_H */ diff --git a/audio_codec/libcook/statname.h b/audio_codec/libcook/statname.h new file mode 100644 index 0000000..9ceacce --- a/dev/null +++ b/audio_codec/libcook/statname.h @@ -0,0 +1,118 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: statname.h,v 1.6 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * statname.h - name mangling macros for static linking + **************************************************************************************/ + +#ifndef _STATNAME_H +#define _STATNAME_H + +/* define STAT_PREFIX to a unique name for static linking + * all the C functions and global variables will be mangled by the preprocessor + * e.g. void FFT(int *fftbuf) becomes void cook_FFT(int *fftbuf) + */ +#define STAT_PREFIX cook + +#define STATCC1(x,y,z) STATCC2(x,y,z) +#define STATCC2(x,y,z) x##y##z + +#ifdef STAT_PREFIX +#define STATNAME(func) STATCC1(STAT_PREFIX, _, func) +#else +#define STATNAME(func) func +#endif + +/* global functions */ +#define AllocateBuffers STATNAME(AllocateBuffers) +#define FreeBuffers STATNAME(FreeBuffers) + +#define DecodeSideInfo STATNAME(DecodeSideInfo) +#define GetBits STATNAME(GetBits) +#define AdvanceBitstream STATNAME(AdvanceBitstream) + +#define DecodeHuffmanScalar STATNAME(DecodeHuffmanScalar) + +#define DecodeGainInfo STATNAME(DecodeGainInfo) +#define CopyGainInfo STATNAME(CopyGainInfo) + +#define JointDecodeMLT STATNAME(JointDecodeMLT) +#define DecodeCoupleInfo STATNAME(DecodeCoupleInfo) + +#define DecodeEnvelope STATNAME(DecodeEnvelope) +#define CategorizeAndExpand STATNAME(CategorizeAndExpand) +#define DecodeTransform STATNAME(DecodeTransform) + +#define IMLTNoWindow STATNAME(IMLTNoWindow) +#define R4FFT STATNAME(R4FFT) + +#define DecWindowWithAttacks STATNAME(DecWindowWithAttacks) +#define DecWindowNoAttacks STATNAME(DecWindowNoAttacks) + +/* global (const) data */ +#define pkkey STATNAME(pkkey) + +#define huffTabCoupleInfo STATNAME(huffTabCoupleInfo) +#define huffTabCouple STATNAME(huffTabCouple) +#define huffTabPowerInfo STATNAME(huffTabPowerInfo) +#define huffTabPower STATNAME(huffTabPower) +#define huffTabVectorInfo STATNAME(huffTabVectorInfo) +#define huffTabVector STATNAME(huffTabVector) + +#define nmltTab STATNAME(nmltTab) +#define window STATNAME(window) +#define windowOffset STATNAME(windowOffset) +#define cos4sin4tab STATNAME(cos4sin4tab) +#define cos4sin4tabOffset STATNAME(cos4sin4tabOffset) +#define cos1sin1tab STATNAME(cos1sin1tab) +#define uniqueIDTab STATNAME(uniqueIDTab) +#define bitrevtab STATNAME(bitrevtab) +#define bitrevtabOffset STATNAME(bitrevtabOffset) +#define twidTabEven STATNAME(twidTabEven) +#define twidTabOdd STATNAME(twidTabOdd) + +/* assembly functions - either inline or in separate asm file */ +#define MULSHIFT32 STATNAME(MULSHIFT32) +#define CLIPTOSHORT STATNAME(CLIPTOSHORT) +#define FASTABS STATNAME(FASTABS) +#define CLZ STATNAME(CLZ) + +#endif /* _STATNAME_H */ diff --git a/audio_codec/libcook/stream_hdr_structs.h b/audio_codec/libcook/stream_hdr_structs.h new file mode 100644 index 0000000..433270f --- a/dev/null +++ b/audio_codec/libcook/stream_hdr_structs.h @@ -0,0 +1,66 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: stream_hdr_structs.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef STREAM_HDR_STRUCTS_H +#define STREAM_HDR_STRUCTS_H + +#include "helix_types.h" + +#ifdef __cplusplus +extern "C" { +#endif + + /* map an ASM rule to some other property */ + typedef struct rm_rule_map_struct { + UINT32 ulNumRules; + UINT32* pulMap; + } rm_rule_map; + + /* rm multistream header -- surestream */ + typedef struct rm_multistream_hdr_struct { + UINT32 ulID; /* unique identifier for this header */ + rm_rule_map rule2SubStream; /* mapping of ASM rule number to substream */ + UINT32 ulNumSubStreams; /* number of substreams */ + } rm_multistream_hdr; + +#define RM_MULTIHEADER_OBJECT 0x4D4C5449 /* 'MLTI' */ + +#ifdef __cplusplus +} +#endif + +#endif /* #ifndef STREAM_HDR_STRUCTS_H */ diff --git a/audio_codec/libcook/stream_hdr_utils.c b/audio_codec/libcook/stream_hdr_utils.c new file mode 100644 index 0000000..386e043 --- a/dev/null +++ b/audio_codec/libcook/stream_hdr_utils.c @@ -0,0 +1,136 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: stream_hdr_utils.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "pack_utils.h" +#include "memory_utils.h" +#include "stream_hdr_structs.h" +#include "stream_hdr_utils.h" + +HX_RESULT rm_unpack_rule_map(BYTE** ppBuf, + UINT32* pulLen, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree, + void* pUserMem, + rm_rule_map* pMap) +{ + HX_RESULT retVal = HXR_FAIL; + + if (ppBuf && pulLen && fpMalloc && fpFree && pMap && + *ppBuf && *pulLen >= 2) { + /* Initialize local variables */ + UINT32 ulSize = 0; + UINT32 i = 0; + /* Clean up any existing rule to flag map */ + rm_cleanup_rule_map(fpFree, pUserMem, pMap); + /* Unpack the number of rules */ + pMap->ulNumRules = rm_unpack16(ppBuf, pulLen); + if (pMap->ulNumRules && *pulLen >= pMap->ulNumRules * 2) { + /* Allocate the map array */ + ulSize = pMap->ulNumRules * sizeof(UINT32); + pMap->pulMap = (UINT32*) fpMalloc(pUserMem, ulSize); + if (pMap->pulMap) { + /* Zero out the memory */ + memset(pMap->pulMap, 0, ulSize); + /* Unpack each of the flags */ + for (i = 0; i < pMap->ulNumRules; i++) { + pMap->pulMap[i] = rm_unpack16(ppBuf, pulLen); + } + /* Clear the return value */ + retVal = HXR_OK; + } + } else { + /* No rules - not an error */ + retVal = HXR_OK; + } + } + + return retVal; +} + +void rm_cleanup_rule_map(rm_free_func_ptr fpFree, + void* pUserMem, + rm_rule_map* pMap) +{ + if (fpFree && pMap && pMap->pulMap) { + fpFree(pUserMem, pMap->pulMap); + pMap->pulMap = HXNULL; + pMap->ulNumRules = 0; + } +} + +HX_RESULT rm_unpack_multistream_hdr(BYTE** ppBuf, + UINT32* pulLen, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree, + void* pUserMem, + rm_multistream_hdr* hdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (ppBuf && pulLen && fpMalloc && fpFree && hdr && + *ppBuf && *pulLen >= 4) { + /* Unpack the multistream members */ + hdr->ulID = rm_unpack32(ppBuf, pulLen); + /* Unpack the rule to substream map */ + retVal = rm_unpack_rule_map(ppBuf, pulLen, + fpMalloc, fpFree, pUserMem, + &hdr->rule2SubStream); + if (retVal == HXR_OK) { + if (*pulLen >= 2) { + /* Unpack the number of substreams */ + hdr->ulNumSubStreams = rm_unpack16(ppBuf, pulLen); + } else { + retVal = HXR_FAIL; + } + } + } + + return retVal; +} + +void rm_cleanup_multistream_hdr(rm_free_func_ptr fpFree, + void* pUserMem, + rm_multistream_hdr* hdr) +{ + if (hdr) { + rm_cleanup_rule_map(fpFree, pUserMem, &hdr->rule2SubStream); + } +} diff --git a/audio_codec/libcook/stream_hdr_utils.h b/audio_codec/libcook/stream_hdr_utils.h new file mode 100644 index 0000000..2f5d4d3 --- a/dev/null +++ b/audio_codec/libcook/stream_hdr_utils.h @@ -0,0 +1,77 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: stream_hdr_utils.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef STREAM_HDR_UTILS_H +#define STREAM_HDR_UTILS_H + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "stream_hdr_structs.h" + +#ifdef __cplusplus +extern "C" { +#endif + + HX_RESULT rm_unpack_rule_map(BYTE** ppBuf, + UINT32* pulLen, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree, + void* pUserMem, + rm_rule_map* pMap); + + void rm_cleanup_rule_map(rm_free_func_ptr fpFree, + void* pUserMem, + rm_rule_map* pMap); + + HX_RESULT rm_unpack_multistream_hdr(BYTE** ppBuf, + UINT32* pulLen, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree, + void* pUserMem, + rm_multistream_hdr* hdr); + + void rm_cleanup_multistream_hdr(rm_free_func_ptr fpFree, + void* pUserMem, + rm_multistream_hdr* hdr); + + +#ifdef __cplusplus +} +#endif + +#endif /* #ifndef STREAM_HDR_UTILS_H */ diff --git a/audio_codec/libcook/string_utils.c b/audio_codec/libcook/string_utils.c new file mode 100644 index 0000000..45b3759 --- a/dev/null +++ b/audio_codec/libcook/string_utils.c @@ -0,0 +1,87 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: string_utils.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "string_utils.h" +#include "memory_utils.h" + +char* copy_string(void* pUserMem, + rm_malloc_func_ptr fpMalloc, + const char* pszStr) +{ + char* pRet = HXNULL; + + if (fpMalloc && pszStr) { + /* Allocate space for string */ + pRet = (char*) fpMalloc(pUserMem, strlen(pszStr) + 1); + if (pRet) { + /* Copy the string */ + strcpy(pRet, pszStr); + } + } + + return pRet; +} + +void free_string(void* pUserMem, + rm_free_func_ptr fpFree, + char** ppszStr) +{ + if (fpFree && ppszStr && *ppszStr) { + fpFree(pUserMem, *ppszStr); + *ppszStr = HXNULL; + } +} + +#if defined(_WINDOWS) + +#if !defined(_WINCE) + +int strcasecmp(const char* pszStr1, const char* pszStr2) +{ + return _stricmp(pszStr1, pszStr2); +} + +#endif /* #if !defined(_WINCE) */ + +int strncasecmp(const char* pszStr1, const char* pszStr2, int len) +{ + return _strnicmp(pszStr1, pszStr2, (size_t) len); +} + +#endif /* #if defined(_WINDOWS) */ + diff --git a/audio_codec/libcook/string_utils.h b/audio_codec/libcook/string_utils.h new file mode 100644 index 0000000..5337f52 --- a/dev/null +++ b/audio_codec/libcook/string_utils.h @@ -0,0 +1,62 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: string_utils.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef STRING_UTILS_H +#define STRING_UTILS_H + +#include "helix_types.h" +#include "rm_memory.h" +/* Create and copy a string */ +char* copy_string(void* pUserMem, + rm_malloc_func_ptr fpMalloc, + const char* pszStr); + +/* Free a string */ +void free_string(void* pUserMem, + rm_free_func_ptr fpFree, + char** ppszStr); + +#if defined(_WINDOWS) + +int strcasecmp(const char* pszStr1, const char* pszStr2); +int strncasecmp(const char* pszStr1, const char* pszStr2, int len); + +#elif defined(_UNIX) +#include +#endif + +#endif /* #ifndef STRING_UTILS_H */ diff --git a/audio_codec/libcook/tngpkt.h b/audio_codec/libcook/tngpkt.h new file mode 100644 index 0000000..3e2d0af --- a/dev/null +++ b/audio_codec/libcook/tngpkt.h @@ -0,0 +1,400 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: tngpkt.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/* + * This is generated code, do not modify. Look in + * /home/gregory/helix/protocol/transport/rdt/pub/tngpkt.pm to make + * modifications + */ + +#include "helix_types.h" +#include "rm_memory.h" + +#ifndef PMC_PREDEFINED_TYPES +#define PMC_PREDEFINED_TYPES + +typedef char* pmc_string; + +typedef struct _buffer { + UINT32 len; + INT8* data; +} buffer; +#endif/*PMC_PREDEFINED_TYPES*/ + + +#ifndef _TNGPKT_H_ +#define _TNGPKT_H_ + +struct TNGDataPacket { + UINT8 length_included_flag; + UINT8 need_reliable_flag; + UINT8 stream_id; + UINT8 is_reliable; + UINT16 seq_no; + UINT16 _packlenwhendone; + UINT8 back_to_back_packet; + UINT8 slow_data; + UINT8 asm_rule_number; + UINT32 timestamp; + UINT16 stream_id_expansion; + UINT16 total_reliable; + UINT16 asm_rule_number_expansion; + buffer data; +}; + +const UINT32 TNGDataPacket_static_size(); +UINT8* TNGDataPacket_pack(UINT8* buf, + UINT32 len, + struct TNGDataPacket* pkt); +UINT8* TNGDataPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGDataPacket* pkt); + +struct TNGMultiCastDataPacket { + UINT8 length_included_flag; + UINT8 need_reliable_flag; + UINT8 stream_id; + UINT8 is_reliable; + UINT16 seq_no; + UINT16 length; + UINT8 back_to_back_packet; + UINT8 slow_data; + UINT8 asm_rule_number; + UINT8 group_seq_no; + UINT32 timestamp; + UINT16 stream_id_expansion; + UINT16 total_reliable; + UINT16 asm_rule_number_expansion; + buffer data; +}; + +const UINT32 TNGMultiCastDataPacket_static_size(); + +UINT8* TNGMultiCastDataPacket_pack(UINT8* buf, + UINT32 len, + struct TNGMultiCastDataPacket* pkt); +UINT8* TNGMultiCastDataPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGMultiCastDataPacket* pkt); + + +struct TNGASMActionPacket { + UINT8 length_included_flag; + UINT8 stream_id; + UINT8 dummy0; + UINT8 dummy1; + UINT16 packet_type; + UINT16 reliable_seq_no; + UINT16 length; + UINT16 stream_id_expansion; + buffer data; +}; + +const UINT32 TNGASMActionPacket_static_size(); +UINT8* TNGASMActionPacket_pack(UINT8* buf, + UINT32 len, + struct TNGASMActionPacket* pkt); + +UINT8* TNGASMActionPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGASMActionPacket* pkt); + + + +struct TNGBandwidthReportPacket { + UINT8 length_included_flag; + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT16 packet_type; + UINT16 length; + UINT16 interval; + UINT32 bandwidth; + UINT8 sequence; +}; + +const UINT32 TNGBandwidthReportPacket_static_size(); +UINT8* TNGBandwidthReportPacket_pack(UINT8* buf, + UINT32 len, + struct TNGBandwidthReportPacket* pkt); +UINT8* TNGBandwidthReportPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGBandwidthReportPacket* pkt); + + + +struct TNGReportPacket { + UINT8 length_included_flag; + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT16 packet_type; + UINT16 length; + buffer data; +}; + +const UINT32 TNGReportPacket_static_size(); +UINT8* TNGReportPacket_pack(UINT8* buf, + UINT32 len, + struct TNGReportPacket* pkt); +UINT8* TNGReportPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGReportPacket* pkt); + + + +struct TNGACKPacket { + UINT8 length_included_flag; + UINT8 lost_high; + UINT8 dummy0; + UINT8 dummy1; + UINT16 packet_type; + UINT16 length; + buffer data; +}; + +const UINT32 TNGACKPacket_static_size(); +UINT8* TNGACKPacket_pack(UINT8* buf, + UINT32 len, + struct TNGACKPacket* pkt); +UINT8* TNGACKPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGACKPacket* pkt); + + +struct TNGRTTRequestPacket { + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT8 dummy3; + UINT16 packet_type; +}; + +const UINT32 TNGRTTRequestPacket_static_size(); +UINT8* TNGRTTRequestPacket_pack(UINT8* buf, + UINT32 len, + struct TNGRTTRequestPacket* pkt); +UINT8* TNGRTTRequestPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGRTTRequestPacket* pkt); + +struct TNGRTTResponsePacket { + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT8 dummy3; + UINT16 packet_type; + UINT32 timestamp_sec; + UINT32 timestamp_usec; +}; + +const UINT32 TNGRTTResponsePacket_static_size(); +UINT8* TNGRTTResponsePacket_pack(UINT8* buf, + UINT32 len, + struct TNGRTTResponsePacket* pkt); +UINT8* TNGRTTResponsePacket_unpack(UINT8* buf, + UINT32 len, + struct TNGRTTResponsePacket* pkt); + + +struct TNGCongestionPacket { + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT8 dummy3; + UINT16 packet_type; + INT32 xmit_multiplier; + INT32 recv_multiplier; +}; + +const UINT32 TNGCongestionPacket_static_size(); +UINT8* TNGCongestionPacket_pack(UINT8* buf, + UINT32 len, + struct TNGCongestionPacket* pkt); +UINT8* TNGCongestionPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGCongestionPacket* pkt); + + +struct TNGStreamEndPacket { + UINT8 need_reliable_flag; + UINT8 stream_id; + UINT8 packet_sent; + UINT8 ext_flag; + UINT16 packet_type; + UINT16 seq_no; + UINT32 timestamp; + UINT16 stream_id_expansion; + UINT16 total_reliable; + UINT8 reason_dummy[3]; + UINT32 reason_code; + pmc_string reason_text; +}; + +const UINT32 TNGStreamEndPacket_static_size(); +UINT8* TNGStreamEndPacket_pack(UINT8* buf, + UINT32 len, + struct TNGStreamEndPacket* pkt); + +/* TNGStreamEndPacket_unpack will malloc room for the reason_text. + * You must free this memory or it will be leaked */ +UINT8* TNGStreamEndPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGStreamEndPacket* pkt); + +UINT8* TNGStreamEndPacket_unpack_fromPool(UINT8* buf, + UINT32 len, + struct TNGStreamEndPacket* pkt, + rm_malloc_func_ptr fpMalloc, + void* pMemoryPool); + + + + +struct TNGLatencyReportPacket { + UINT8 length_included_flag; + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT16 packet_type; + UINT16 length; + UINT32 server_out_time; +}; + +const UINT32 TNGLatencyReportPacket_static_size(); +UINT8* TNGLatencyReportPacket_pack(UINT8* buf, + UINT32 len, + struct TNGLatencyReportPacket* pkt); +UINT8* TNGLatencyReportPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGLatencyReportPacket* pkt); + + + + +/* + * RDTFeatureLevel 3 packets + */ + +struct RDTTransportInfoRequestPacket { + UINT8 dummy0; + UINT8 dummy1; + UINT8 request_rtt_info; + UINT8 request_buffer_info; + UINT16 packet_type; + UINT32 request_time_ms; +}; + +const UINT32 RDTTransportInfoRequestPacket_static_size(); +UINT8* RDTTransportInfoRequestPacket_pack(UINT8* buf, + UINT32 len, + struct RDTTransportInfoRequestPacket* pkt); +UINT8* RDTTransportInfoRequestPacket_unpack(UINT8* buf, + UINT32 len, + struct RDTTransportInfoRequestPacket* pkt); + + + + +struct RDTBufferInfo { + UINT16 stream_id; + UINT32 lowest_timestamp; + UINT32 highest_timestamp; + UINT32 bytes_buffered; +}; + +const UINT32 RDTBufferInfo_static_size(); +UINT8* RDTBufferInfo_pack(UINT8* buf, + UINT32 len, struct RDTBufferInfo* pkt); +UINT8* RDTBufferInfo_unpack(UINT8* buf, + UINT32 len, struct RDTBufferInfo* pkt); + + + + +struct RDTTransportInfoResponsePacket { + UINT8 dummy0; + UINT8 dummy1; + UINT8 has_rtt_info; + UINT8 is_delayed; + UINT8 has_buffer_info; + UINT16 packet_type; + UINT32 request_time_ms; + UINT32 response_time_ms; + UINT16 buffer_info_count; + struct RDTBufferInfo *buffer_info; +}; + +const UINT32 RDTTransportInfoResponsePacket_static_size(); +UINT8* RDTTransportInfoResponsePacket_pack(UINT8* buf, + UINT32 len, + struct RDTTransportInfoResponsePacket* pkt); +UINT8* RDTTransportInfoResponsePacket_unpack(UINT8* buf, + UINT32 len, + struct RDTTransportInfoResponsePacket* pkt); + +UINT8* RDTTransportInfoResponsePacket_unpack_fromPool(UINT8* buf, + UINT32 len, + struct RDTTransportInfoResponsePacket* pkt, + rm_malloc_func_ptr fpMalloc, + void* pMemoryPool); + + + + + + +struct TNGBWProbingPacket { + UINT8 length_included_flag; + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT16 packet_type; + UINT16 length; + UINT8 seq_no; + UINT32 timestamp; + buffer data; +}; + +const UINT32 TNGBWProbingPacket_static_size(); +UINT8* TNGBWProbingPacket_pack(UINT8* buf, + UINT32 len, + struct TNGBWProbingPacket* pkt); +UINT8* TNGBWProbingPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGBWProbingPacket* pkt); +#endif /* _TNGPKT_H_ */ diff --git a/audio_codec/libfaad/Android.mk b/audio_codec/libfaad/Android.mk new file mode 100755 index 0000000..3a8b4dc --- a/dev/null +++ b/audio_codec/libfaad/Android.mk @@ -0,0 +1,101 @@ +LOCAL_PATH := $(call my-dir) + +include $(CLEAR_VARS) +LOCAL_MODULE := libfaad +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) + +#helix aac decoder enabled +#ENABLE_HELIX_AAC_DECODER := true +ifdef ENABLE_HELIX_AAC_DECODER +LOCAL_SRC_FILES += \ + helixaac/aacdec.c \ + helixaac/aactabs.c \ + helixaac/bitstream.c \ + helixaac/buffers.c \ + helixaac/dct4.c \ + helixaac/decelmnt.c \ + helixaac/dequant.c \ + helixaac/fft.c \ + helixaac/filefmt.c \ + helixaac/huffman_helix.c \ + helixaac/hufftabs.c \ + helixaac/imdct.c \ + helixaac/noiseless.c \ + helixaac/pns_helix.c \ + helixaac/sbr.c \ + helixaac/sbrfft.c \ + helixaac/sbrfreq.c \ + helixaac/sbrhfadj.c \ + helixaac/sbrhfgen.c \ + helixaac/sbrhuff.c \ + helixaac/sbrimdct.c \ + helixaac/sbrmath.c \ + helixaac/sbrqmf.c \ + helixaac/sbrside.c \ + helixaac/sbrtabs.c \ + helixaac/stproc.c \ + helixaac/tns_helix.c \ + helixaac/trigtabs.c \ + helixaac/trigtabs_fltgen.c +LOCAL_CFLAGS += -DUSE_DEFAULT_STDLIB -DUSE_HELIX_AAC_DECODER +endif +LOCAL_ARM_MODE := arm +LOCAL_C_INCLUDES := $(LOCAL_PATH) \ + $(LOCAL_PATH)/codebook +#aac helix include file +LOCAL_C_INCLUDES += $(LOCAL_PATH)/helixaac + +include $(BUILD_STATIC_LIBRARY) + +include $(CLEAR_VARS) + +LOCAL_SHARED_LIBRARIES += libutils libz libbinder libdl libcutils libc + +LOCAL_MODULE := libfaad +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +ifdef ENABLE_HELIX_AAC_DECODER +#helix aac files +LOCAL_SRC_FILES += \ + helixaac/aacdec.c \ + helixaac/aactabs.c \ + helixaac/bitstream.c \ + helixaac/buffers.c \ + helixaac/dct4.c \ + helixaac/decelmnt.c \ + helixaac/dequant.c \ + helixaac/fft.c \ + helixaac/filefmt.c \ + helixaac/huffman_helix.c \ + helixaac/hufftabs.c \ + helixaac/imdct.c \ + helixaac/noiseless.c \ + helixaac/pns_helix.c \ + helixaac/sbr.c \ + helixaac/sbrfft.c \ + helixaac/sbrfreq.c \ + helixaac/sbrhfadj.c \ + helixaac/sbrhfgen.c \ + helixaac/sbrhuff.c \ + helixaac/sbrimdct.c \ + helixaac/sbrmath.c \ + helixaac/sbrqmf.c \ + helixaac/sbrside.c \ + helixaac/sbrtabs.c \ + helixaac/stproc.c \ + helixaac/tns_helix.c \ + helixaac/trigtabs.c \ + helixaac/trigtabs_fltgen.c +LOCAL_CFLAGS += -DUSE_DEFAULT_STDLIB -DUSE_HELIX_AAC_DECODER +endif + +LOCAL_ARM_MODE := arm +LOCAL_MODULE_TAGS := optional +LOCAL_C_INCLUDES := $(LOCAL_PATH) \ + $(LOCAL_PATH)/codebook + +#aac helix include file +LOCAL_C_INCLUDES += $(LOCAL_PATH)/helixaac + +LOCAL_PRELINK_MODULE := false + +include $(BUILD_SHARED_LIBRARY) diff --git a/audio_codec/libfaad/Makefile b/audio_codec/libfaad/Makefile new file mode 100755 index 0000000..551d047 --- a/dev/null +++ b/audio_codec/libfaad/Makefile @@ -0,0 +1,130 @@ +#**************************************************************************** +# 通用的生成动态库?c/c++ GNU Makefile +# Writen By ZhuFeng,2007.2 +# 功能：自动从所有的.c?cpp文件列表中生成输出文件，可以生成动态库 +#**************************************************************************** + +#常用定义选项 +DW_NAME = faad +DW_VERSION = 1.1.0 +MACHINE = $(shell uname -m) +OUTPUT_BIN_PATH = ../bin/ +OUTPUT_INCLUDE_PATH = ./include/ +SRC_PATH = ./ + +SRC_FILES = $(wildcard $(SRC_PATH)*.c) + +EXPORT_INCLUDE_FILES = $(wildcard $(SRC_PATH)*.h) $(wildcard $(SRC_PATH)codebook/*.h) + +USING_LIBS = +USING_INCLUDES_PATH = + +#将会自动附加$(MACHINE)/$DEBUG +USING_LIBS_PATH = +DEBUG = YES +DEFINES = + +#通用定义 +G++ = g++ +GCC = gcc +LD = g++ + +DEBUG_CFLAGS := -c -Wall -shared -fPIC -Wno-format -g -DDEBUG -fexceptions -fnon-call-exceptions +RELEASE_CFLAGS := -c -Wall -shared -fPIC -Wno-unknown-pragmas -Wno-format -O3 -fexceptions -fnon-call-exceptions + +DEBUG_LDFLAGS := -g -shared -fPIC -Wl,-soname,lib$(DW_NAME).so +RELEASE_LDFLAGS := -shared -fPIC -Wl,-soname,lib$(DW_NAME).so + + +ifeq (YES, ${DEBUG}) + CFLAGS := ${DEBUG_CFLAGS} + LDFLAGS := ${DEBUG_LDFLAGS} + USING_LIBS_PATH := $(addsuffix $(MACHINE)/debug/,$(USING_LIBS_PATH)) + OUTPUT_PATH := $(OUTPUT_BIN_PATH) +else + CFLAGS := ${RELEASE_CFLAGS} + LDFLAGS := ${RELEASE_LDFLAGS} + USING_LIBS_PATH := $(addsuffix $(MACHINE)/release/,$(USING_LIBS_PATH)) + OUTPUT_PATH := $(OUTPUT_BIN_PATH)$(MACHINE)/release/ +endif + +#**************************************************************************** +# Makefile code common to all platforms +#**************************************************************************** + +CFLAGS += $(DEFINES) +CFLAGS += $(USING_INCLUDES_PATH) + +#**************************************************************************** +# 定义自动化编译宏，使用GCC方式 +#**************************************************************************** +# $(call make-depend,source-file,object-file,depend-file) +define make-depend + $(GCC) -MM -MF $3 -MP -MT $2 $(CFLAGS) $1 +endef + +OBJS = $(addsuffix .o,$(basename $(SRC_FILES))) +DEPENDS = $(addsuffix .d,$(basename $(SRC_FILES))) + +DW_SVNVER = $(shell svnversion . | sed "s/.*://") +DW_BUILD_DATE = $(shell date) + +OUTPUT = $(OUTPUT_PATH)lib$(DW_NAME).so.$(DW_VERSION) +CFLAGS += -DDW_SVNVER="\"$(DW_SVNVER)\"" -DDW_BUILD_DATE="\"$(DW_BUILD_DATE)\"" -DDW_VERSION="\"$(DW_VERSION)\"" + +VPATH = $(SRC_PATH) +EXPORT_INCLUDE_FILES := $(addprefix $(SRC_PATH),$(EXPORT_INCLUDE_FILES)) + + +default:$(OUTPUT) + @echo "Build_Version: $(DW_VERSION)" + @ln -sf ./lib$(DW_NAME).so.$(DW_VERSION) $(OUTPUT_PATH)lib$(DW_NAME).so + @cp $(EXPORT_INCLUDE_FILES) $(OUTPUT_INCLUDE_PATH) + @echo "$(OUTPUT) MAKE 处理完毕" + @echo "\\033[32m\\033[1m[生成]\\033[21m 执行完毕!" + @echo "$(OUTPUT) 被生?\\12$(EXPORT_INCLUDE_FILES)被复制到$(OUTPUT_INCLUDE_PATH)\\033[0m" + +$(OUTPUT):$(OBJS) + @mkdir -p $(OUTPUT_PATH) + $(LD) $(LDFLAGS) -o $@ $^ $(USING_LIBS_PATH) $(USING_LIBS) + @echo "\\033[35m\\033[1m[链接]\\033[21m $@ 执行完毕，总计更新处理?(words $?) 个文件\\033[0m" + +%.o:%.c + @$(call make-depend,$<,$@,$(subst .o,.d,$@)) + @$(GCC) $(CFLAGS) $< -o $@ + @echo "\\033[32m\\033[1m[编译]\\033[21m $< 执行完毕\\033[0m" + +%.o:%.cpp + @$(call make-depend,$<,$@,$(subst .o,.d,$@)) + @$(G++) $(CFLAGS) $< -o $@ + @echo "\\033[32m\\033[1m[编译]\\033[21m $< 执行完毕\\033[0m" + +-include $(DEPENDS) + +help: + @echo "\\033[1m\\033[33m============== 通用动态库MAKEFILE ==============\\033[0m" + @echo "\\033[33m 2007.2 Writen By ZhuFeng \\033[0m" + @echo "\\033[32m\\033[1mmake :\\033[21m 缺省调用方式，使用debug模式进行编译与连接，输出二进制文件到指定目录\\033[0m" + @echo "\\033[32m\\033[1mmake DEBUG=NO :\\033[21m 使用release模式进行编译与连接，输出二进制文件到指定目录 \\033[0m" + @echo "\\033[32m\\033[1mmake help :\\033[21m显示帮助信息\\033[0m" + @echo "\\033[32m\\033[1mmake rebuild :\\033[21m重新生成所有文件\\033[0m" + @echo "\\033[32m\\033[1mmake clean :\\033[21m清除生成的中间文件\\033[0m" + @echo "\\033[32m\\033[1mmake install :\\033[21m安装生成的文件到/usr/local/lib目录，拷贝头文件?usr/local/include目录\\033[0m" + + +rebuild:clean default + @echo "\\033[34m\\033[1m[rebuild]\\033[21m 执行完毕\\033[0m" +clean: + @rm -f *.o + @rm -f *.d + @echo "\\033[34m\\033[1m[clean]\\033[21m 执行完毕\\033[0m" +test: + @echo "SVN_VERSION:$(SVN_VERSION)" + @echo "DW_VERSION:$(DW_VERSION)" + @echo "OUTPUT:$(OUTPUT)" + + + + + + diff --git a/audio_codec/libfaad/analysis.h b/audio_codec/libfaad/analysis.h new file mode 100644 index 0000000..0464b1e --- a/dev/null +++ b/audio_codec/libfaad/analysis.h @@ -0,0 +1,52 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: analysis.h,v 1.18 2007/11/01 12:33:29 menno Exp $ +**/ + +#ifndef __ANALYSIS_H__ +#define __ANALYSIS_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + +#ifdef ANALYSIS +#define DEBUGDEC ,uint8_t print,uint16_t var,uint8_t *dbg +#define DEBUGVAR(A,B,C) ,A,B,C + extern uint16_t dbg_count; +#else +#define DEBUGDEC +#define DEBUGVAR(A,B,C) +#endif + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/audio.d b/audio_codec/libfaad/audio.d new file mode 100755 index 0000000..2504225 --- a/dev/null +++ b/audio_codec/libfaad/audio.d @@ -0,0 +1,3 @@ +audio.o: audio.c audio.h + +audio.h: diff --git a/audio_codec/libfaad/bits.c b/audio_codec/libfaad/bits.c new file mode 100644 index 0000000..727e047 --- a/dev/null +++ b/audio_codec/libfaad/bits.c @@ -0,0 +1,261 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: bits.c,v 1.44 2007/11/01 12:33:29 menno Exp $ +**/ +#include +#include "common.h" +#include "structs.h" + +#include "bits.h" + +/* initialize buffer, call once before first getbits or showbits */ +void faad_initbits(bitfile *ld, const void *_buffer, const uint32_t buffer_size) +{ + uint32_t tmp; + + if (ld == NULL) { + return; + } + + // useless + //memset(ld, 0, sizeof(bitfile)); + + if (buffer_size == 0 || _buffer == NULL) { + ld->error = 1; + return; + } + + ld->buffer = _buffer; + + ld->buffer_size = buffer_size; + ld->bytes_left = buffer_size; + + if (ld->bytes_left >= 4) { + tmp = getdword((uint32_t*)ld->buffer); + ld->bytes_left -= 4; + } else { + tmp = getdword_n((uint32_t*)ld->buffer, ld->bytes_left); + ld->bytes_left = 0; + } + ld->bufa = tmp; + + if (ld->bytes_left >= 4) { + tmp = getdword((uint32_t*)ld->buffer + 1); + ld->bytes_left -= 4; + } else { + tmp = getdword_n((uint32_t*)ld->buffer + 1, ld->bytes_left); + ld->bytes_left = 0; + } + ld->bufb = tmp; + + ld->start = (uint32_t*)ld->buffer; + ld->tail = ((uint32_t*)ld->buffer + 2); + + ld->bits_left = 32; + + ld->error = 0; +} + +void faad_endbits(bitfile *ld) +{ + // void +} + +uint32_t faad_get_processed_bits(bitfile *ld) +{ + return (uint32_t)(8 * (4 * (ld->tail - ld->start) - 4) - (ld->bits_left)); +} + +uint8_t faad_byte_align(bitfile *ld) +{ + int remainder = (32 - ld->bits_left) & 0x7; + + if (remainder) { + faad_flushbits(ld, 8 - remainder); + return (uint8_t)(8 - remainder); + } + return 0; +} + +void faad_flushbits_ex(bitfile *ld, uint32_t bits) +{ + uint32_t tmp; + + ld->bufa = ld->bufb; + if (ld->bytes_left >= 4) { + tmp = getdword(ld->tail); + ld->bytes_left -= 4; + } else { + tmp = getdword_n(ld->tail, ld->bytes_left); + ld->bytes_left = 0; + } + ld->bufb = tmp; + ld->tail++; + ld->bits_left += (32 - bits); + //ld->bytes_left -= 4; + // if (ld->bytes_left == 0) + // ld->no_more_reading = 1; + // if (ld->bytes_left < 0) + // ld->error = 1; +} + +/* rewind to beginning */ +void faad_rewindbits(bitfile *ld) +{ + uint32_t tmp; + + ld->bytes_left = ld->buffer_size; + + if (ld->bytes_left >= 4) { + tmp = getdword((uint32_t*)&ld->start[0]); + ld->bytes_left -= 4; + } else { + tmp = getdword_n((uint32_t*)&ld->start[0], ld->bytes_left); + ld->bytes_left = 0; + } + ld->bufa = tmp; + + if (ld->bytes_left >= 4) { + tmp = getdword((uint32_t*)&ld->start[1]); + ld->bytes_left -= 4; + } else { + tmp = getdword_n((uint32_t*)&ld->start[1], ld->bytes_left); + ld->bytes_left = 0; + } + ld->bufb = tmp; + + ld->bits_left = 32; + ld->tail = &ld->start[2]; +} + +/* reset to a certain point */ +void faad_resetbits(bitfile *ld, int bits) +{ + uint32_t tmp; + int words = bits >> 5; + int remainder = bits & 0x1F; + + ld->bytes_left = ld->buffer_size - words * 4; + + if (ld->bytes_left >= 4) { + tmp = getdword(&ld->start[words]); + ld->bytes_left -= 4; + } else { + tmp = getdword_n(&ld->start[words], ld->bytes_left); + ld->bytes_left = 0; + } + ld->bufa = tmp; + + if (ld->bytes_left >= 4) { + tmp = getdword(&ld->start[words + 1]); + ld->bytes_left -= 4; + } else { + tmp = getdword_n(&ld->start[words + 1], ld->bytes_left); + ld->bytes_left = 0; + } + ld->bufb = tmp; + + ld->bits_left = 32 - remainder; + ld->tail = &ld->start[words + 2]; + + /* recheck for reading too many bytes */ + ld->error = 0; + // if (ld->bytes_left == 0) + // ld->no_more_reading = 1; + // if (ld->bytes_left < 0) + // ld->error = 1; +} + +uint8_t *faad_getbitbuffer(bitfile *ld, uint32_t bits + DEBUGDEC) +{ + int i; + unsigned int temp; + int bytes = bits >> 3; + int remainder = bits & 0x7; + + uint8_t *buffer = (uint8_t*)faad_malloc((bytes + 1) * sizeof(uint8_t)); + + for (i = 0; i < bytes; i++) { + buffer[i] = (uint8_t)faad_getbits(ld, 8 DEBUGVAR(print, var, dbg)); + } + + if (remainder) { + temp = faad_getbits(ld, remainder DEBUGVAR(print, var, dbg)) << (8 - remainder); + + buffer[bytes] = (uint8_t)temp; + } + + return buffer; +} + +#ifdef DRM +/* return the original data buffer */ +void *faad_origbitbuffer(bitfile *ld) +{ + return (void*)ld->start; +} + +/* return the original data buffer size */ +uint32_t faad_origbitbuffer_size(bitfile *ld) +{ + return ld->buffer_size; +} +#endif + +/* reversed bit reading routines, used for RVLC and HCR */ +void faad_initbits_rev(bitfile *ld, void *buffer, + uint32_t bits_in_buffer) +{ + uint32_t tmp; + int32_t index; + + ld->buffer_size = bit2byte(bits_in_buffer); + + index = (bits_in_buffer + 31) / 32 - 1; + + ld->start = (uint32_t*)buffer + index - 2; + + tmp = getdword((uint32_t*)buffer + index); + ld->bufa = tmp; + + tmp = getdword((uint32_t*)buffer + index - 1); + ld->bufb = tmp; + + ld->tail = (uint32_t*)buffer + index; + + ld->bits_left = bits_in_buffer % 32; + if (ld->bits_left == 0) { + ld->bits_left = 32; + } + + ld->bytes_left = ld->buffer_size; + ld->error = 0; +} + +/* EOF */ diff --git a/audio_codec/libfaad/bits.d b/audio_codec/libfaad/bits.d new file mode 100755 index 0000000..1a23624 --- a/dev/null +++ b/audio_codec/libfaad/bits.d @@ -0,0 +1,18 @@ +bits.o: bits.c common.h neaacdec.h structs.h cfft.h sbr_dec.h ps_dec.h \ + bits.h analysis.h + +common.h: + +neaacdec.h: + +structs.h: + +cfft.h: + +sbr_dec.h: + +ps_dec.h: + +bits.h: + +analysis.h: diff --git a/audio_codec/libfaad/bits.h b/audio_codec/libfaad/bits.h new file mode 100644 index 0000000..b63dd23 --- a/dev/null +++ b/audio_codec/libfaad/bits.h @@ -0,0 +1,446 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: bits.h,v 1.45 2007/11/01 12:33:29 menno Exp $ +**/ + +#ifndef __BITS_H__ +#define __BITS_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "analysis.h" +#ifdef ANALYSIS +#include +#endif + +#define BYTE_NUMBIT 8 +#define BYTE_NUMBIT_LD 3 + //#define bit2byte(a) ((a+7)/BYTE_NUMBIT) +#define bit2byte(a) ((a+7)>>BYTE_NUMBIT_LD) + + typedef struct _bitfile { + /* bit input */ + uint32_t bufa; + uint32_t bufb; + uint32_t bits_left; + uint32_t buffer_size; /* size of the buffer in bytes */ + uint32_t bytes_left; + uint8_t error; + uint32_t *tail; + uint32_t *start; + const void *buffer; + } bitfile; + + +#if 0 + static uint32_t const bitmask[] = { + 0x0, 0x1, 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF, 0x1FF, + 0x3FF, 0x7FF, 0xFFF, 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF, + 0x1FFFF, 0x3FFFF, 0x7FFFF, 0xFFFFF, 0x1FFFFF, 0x3FFFFF, + 0x7FFFFF, 0xFFFFFF, 0x1FFFFFF, 0x3FFFFFF, 0x7FFFFFF, + 0xFFFFFFF, 0x1FFFFFFF, 0x3FFFFFFF, 0x7FFFFFFF + /* added bitmask 32, correct?!?!?! */ + , 0xFFFFFFFF + }; +#endif + + void faad_initbits(bitfile *ld, const void *buffer, const uint32_t buffer_size); + void faad_endbits(bitfile *ld); + void faad_initbits_rev(bitfile *ld, void *buffer, + uint32_t bits_in_buffer); + uint8_t faad_byte_align(bitfile *ld); + uint32_t faad_get_processed_bits(bitfile *ld); + void faad_flushbits_ex(bitfile *ld, uint32_t bits); + void faad_rewindbits(bitfile *ld); + void faad_resetbits(bitfile *ld, int bits); + uint8_t *faad_getbitbuffer(bitfile *ld, uint32_t bits + DEBUGDEC); +#ifdef DRM + void *faad_origbitbuffer(bitfile *ld); + uint32_t faad_origbitbuffer_size(bitfile *ld); +#endif + + /* circumvent memory alignment errors on ARM */ + static INLINE uint32_t getdword(void *mem) + { + uint32_t tmp; +#ifndef ARCH_IS_BIG_ENDIAN + ((uint8_t*)&tmp)[0] = ((uint8_t*)mem)[3]; + ((uint8_t*)&tmp)[1] = ((uint8_t*)mem)[2]; + ((uint8_t*)&tmp)[2] = ((uint8_t*)mem)[1]; + ((uint8_t*)&tmp)[3] = ((uint8_t*)mem)[0]; +#else + ((uint8_t*)&tmp)[0] = ((uint8_t*)mem)[0]; + ((uint8_t*)&tmp)[1] = ((uint8_t*)mem)[1]; + ((uint8_t*)&tmp)[2] = ((uint8_t*)mem)[2]; + ((uint8_t*)&tmp)[3] = ((uint8_t*)mem)[3]; +#endif + + return tmp; + } + + /* reads only n bytes from the stream instead of the standard 4 */ + static /*INLINE*/ uint32_t getdword_n(void *mem, int n) + { + uint32_t tmp = 0; +#ifndef ARCH_IS_BIG_ENDIAN + switch (n) { + case 3: + ((uint8_t*)&tmp)[1] = ((uint8_t*)mem)[2]; + case 2: + ((uint8_t*)&tmp)[2] = ((uint8_t*)mem)[1]; + case 1: + ((uint8_t*)&tmp)[3] = ((uint8_t*)mem)[0]; + default: + break; + } +#else + switch (n) { + case 3: + ((uint8_t*)&tmp)[2] = ((uint8_t*)mem)[2]; + case 2: + ((uint8_t*)&tmp)[1] = ((uint8_t*)mem)[1]; + case 1: + ((uint8_t*)&tmp)[0] = ((uint8_t*)mem)[0]; + default: + break; + } +#endif + + return tmp; + } + + static INLINE uint32_t faad_showbits(bitfile *ld, uint32_t bits) + { + if (bits <= ld->bits_left) { + //return (ld->bufa >> (ld->bits_left - bits)) & bitmask[bits]; + return (ld->bufa << (32 - ld->bits_left)) >> (32 - bits); + } + + bits -= ld->bits_left; + //return ((ld->bufa & bitmask[ld->bits_left]) << bits) | (ld->bufb >> (32 - bits)); + return ((ld->bufa & ((1 << ld->bits_left) - 1)) << bits) | (ld->bufb >> (32 - bits)); + } + + static INLINE void faad_flushbits(bitfile *ld, uint32_t bits) + { + /* do nothing if error */ + if (ld->error != 0) { + return; + } + + if (bits < ld->bits_left) { + ld->bits_left -= bits; + } else { + faad_flushbits_ex(ld, bits); + } + } + + /* return next n bits (right adjusted) */ + static /*INLINE*/ uint32_t faad_getbits(bitfile *ld, uint32_t n DEBUGDEC) + { + uint32_t ret; + + if (n == 0) { + return 0; + } + + ret = faad_showbits(ld, n); + faad_flushbits(ld, n); + +#ifdef ANALYSIS + if (print) { + fprintf(stdout, "%4d %2d bits, val: %4d, variable: %d %s\n", dbg_count++, n, ret, var, dbg); + } +#endif + + return ret; + } + + static INLINE uint8_t faad_get1bit(bitfile *ld DEBUGDEC) + { + uint8_t r; + + if (ld->bits_left > 0) { + ld->bits_left--; + r = (uint8_t)((ld->bufa >> ld->bits_left) & 1); + return r; + } + + /* bits_left == 0 */ +#if 0 + r = (uint8_t)(ld->bufb >> 31); + faad_flushbits_ex(ld, 1); +#else + r = (uint8_t)faad_getbits(ld, 1); +#endif + return r; + } + + /* reversed bitreading routines */ + static INLINE uint32_t faad_showbits_rev(bitfile *ld, uint32_t bits) + { + uint8_t i; + uint32_t B = 0; + + if (bits <= ld->bits_left) { + for (i = 0; i < bits; i++) { + if (ld->bufa & (1 << (i + (32 - ld->bits_left)))) { + B |= (1 << (bits - i - 1)); + } + } + return B; + } else { + for (i = 0; i < ld->bits_left; i++) { + if (ld->bufa & (1 << (i + (32 - ld->bits_left)))) { + B |= (1 << (bits - i - 1)); + } + } + for (i = 0; i < bits - ld->bits_left; i++) { + if (ld->bufb & (1 << (i + (32 - ld->bits_left)))) { + B |= (1 << (bits - ld->bits_left - i - 1)); + } + } + return B; + } + } + + static INLINE void faad_flushbits_rev(bitfile *ld, uint32_t bits) + { + /* do nothing if error */ + if (ld->error != 0) { + return; + } + + if (bits < ld->bits_left) { + ld->bits_left -= bits; + } else { + uint32_t tmp; + + ld->bufa = ld->bufb; + tmp = getdword(ld->start); + ld->bufb = tmp; + ld->start--; + ld->bits_left += (32 - bits); + + if (ld->bytes_left < 4) { + ld->error = 1; + ld->bytes_left = 0; + } else { + ld->bytes_left -= 4; + } + // if (ld->bytes_left == 0) + // ld->no_more_reading = 1; + } + } + + static /*INLINE*/ uint32_t faad_getbits_rev(bitfile *ld, uint32_t n + DEBUGDEC) + { + uint32_t ret; + + if (n == 0) { + return 0; + } + + ret = faad_showbits_rev(ld, n); + faad_flushbits_rev(ld, n); + +#ifdef ANALYSIS + if (print) { + fprintf(stdout, "%4d %2d bits, val: %4d, variable: %d %s\n", dbg_count++, n, ret, var, dbg); + } +#endif + + return ret; + } + +#ifdef DRM + /* CRC lookup table for G8 polynome in DRM standard */ + static const uint8_t crc_table_G8[256] = { + 0x0, 0x1d, 0x3a, 0x27, 0x74, 0x69, 0x4e, 0x53, + 0xe8, 0xf5, 0xd2, 0xcf, 0x9c, 0x81, 0xa6, 0xbb, + 0xcd, 0xd0, 0xf7, 0xea, 0xb9, 0xa4, 0x83, 0x9e, + 0x25, 0x38, 0x1f, 0x2, 0x51, 0x4c, 0x6b, 0x76, + 0x87, 0x9a, 0xbd, 0xa0, 0xf3, 0xee, 0xc9, 0xd4, + 0x6f, 0x72, 0x55, 0x48, 0x1b, 0x6, 0x21, 0x3c, + 0x4a, 0x57, 0x70, 0x6d, 0x3e, 0x23, 0x4, 0x19, + 0xa2, 0xbf, 0x98, 0x85, 0xd6, 0xcb, 0xec, 0xf1, + 0x13, 0xe, 0x29, 0x34, 0x67, 0x7a, 0x5d, 0x40, + 0xfb, 0xe6, 0xc1, 0xdc, 0x8f, 0x92, 0xb5, 0xa8, + 0xde, 0xc3, 0xe4, 0xf9, 0xaa, 0xb7, 0x90, 0x8d, + 0x36, 0x2b, 0xc, 0x11, 0x42, 0x5f, 0x78, 0x65, + 0x94, 0x89, 0xae, 0xb3, 0xe0, 0xfd, 0xda, 0xc7, + 0x7c, 0x61, 0x46, 0x5b, 0x8, 0x15, 0x32, 0x2f, + 0x59, 0x44, 0x63, 0x7e, 0x2d, 0x30, 0x17, 0xa, + 0xb1, 0xac, 0x8b, 0x96, 0xc5, 0xd8, 0xff, 0xe2, + 0x26, 0x3b, 0x1c, 0x1, 0x52, 0x4f, 0x68, 0x75, + 0xce, 0xd3, 0xf4, 0xe9, 0xba, 0xa7, 0x80, 0x9d, + 0xeb, 0xf6, 0xd1, 0xcc, 0x9f, 0x82, 0xa5, 0xb8, + 0x3, 0x1e, 0x39, 0x24, 0x77, 0x6a, 0x4d, 0x50, + 0xa1, 0xbc, 0x9b, 0x86, 0xd5, 0xc8, 0xef, 0xf2, + 0x49, 0x54, 0x73, 0x6e, 0x3d, 0x20, 0x7, 0x1a, + 0x6c, 0x71, 0x56, 0x4b, 0x18, 0x5, 0x22, 0x3f, + 0x84, 0x99, 0xbe, 0xa3, 0xf0, 0xed, 0xca, 0xd7, + 0x35, 0x28, 0xf, 0x12, 0x41, 0x5c, 0x7b, 0x66, + 0xdd, 0xc0, 0xe7, 0xfa, 0xa9, 0xb4, 0x93, 0x8e, + 0xf8, 0xe5, 0xc2, 0xdf, 0x8c, 0x91, 0xb6, 0xab, + 0x10, 0xd, 0x2a, 0x37, 0x64, 0x79, 0x5e, 0x43, + 0xb2, 0xaf, 0x88, 0x95, 0xc6, 0xdb, 0xfc, 0xe1, + 0x5a, 0x47, 0x60, 0x7d, 0x2e, 0x33, 0x14, 0x9, + 0x7f, 0x62, 0x45, 0x58, 0xb, 0x16, 0x31, 0x2c, + 0x97, 0x8a, 0xad, 0xb0, 0xe3, 0xfe, 0xd9, 0xc4, + }; + + static uint8_t faad_check_CRC(bitfile *ld, uint16_t len) + { + int bytes, rem; + unsigned int CRC; + unsigned int r = 255; /* Initialize to all ones */ + + /* CRC polynome used x^8 + x^4 + x^3 + x^2 +1 */ +#define GPOLY 0435 + + faad_rewindbits(ld); + + CRC = (unsigned int) ~faad_getbits(ld, 8 + DEBUGVAR(1, 999, "faad_check_CRC(): CRC")) & 0xFF; /* CRC is stored inverted */ + + bytes = len >> 3; + rem = len & 0x7; + + for (; bytes > 0; bytes--) { + r = crc_table_G8[(r ^ faad_getbits(ld, 8 DEBUGVAR(1, 998, ""))) & 0xFF]; + } + for (; rem > 0; rem--) { + r = ((r << 1) ^(((faad_get1bit(ld + DEBUGVAR(1, 998, "")) & 1) ^((r >> 7) & 1)) * GPOLY)) & 0xFF; + } + + if (r != CRC) + // if (0) + { + return 28; + } else { + return 0; + } + } + + static uint8_t tabFlipbits[256] = { + 0, 128, 64, 192, 32, 160, 96, 224, 16, 144, 80, 208, 48, 176, 112, 240, + 8, 136, 72, 200, 40, 168, 104, 232, 24, 152, 88, 216, 56, 184, 120, 248, + 4, 132, 68, 196, 36, 164, 100, 228, 20, 148, 84, 212, 52, 180, 116, 244, + 12, 140, 76, 204, 44, 172, 108, 236, 28, 156, 92, 220, 60, 188, 124, 252, + 2, 130, 66, 194, 34, 162, 98, 226, 18, 146, 82, 210, 50, 178, 114, 242, + 10, 138, 74, 202, 42, 170, 106, 234, 26, 154, 90, 218, 58, 186, 122, 250, + 6, 134, 70, 198, 38, 166, 102, 230, 22, 150, 86, 214, 54, 182, 118, 246, + 14, 142, 78, 206, 46, 174, 110, 238, 30, 158, 94, 222, 62, 190, 126, 254, + 1, 129, 65, 193, 33, 161, 97, 225, 17, 145, 81, 209, 49, 177, 113, 241, + 9, 137, 73, 201, 41, 169, 105, 233, 25, 153, 89, 217, 57, 185, 121, 249, + 5, 133, 69, 197, 37, 165, 101, 229, 21, 149, 85, 213, 53, 181, 117, 245, + 13, 141, 77, 205, 45, 173, 109, 237, 29, 157, 93, 221, 61, 189, 125, 253, + 3, 131, 67, 195, 35, 163, 99, 227, 19, 147, 83, 211, 51, 179, 115, 243, + 11, 139, 75, 203, 43, 171, 107, 235, 27, 155, 91, 219, 59, 187, 123, 251, + 7, 135, 71, 199, 39, 167, 103, 231, 23, 151, 87, 215, 55, 183, 119, 247, + 15, 143, 79, 207, 47, 175, 111, 239, 31, 159, 95, 223, 63, 191, 127, 255 + }; +#endif + +#ifdef ERROR_RESILIENCE + + /* Modified bit reading functions for HCR */ + + typedef struct { + /* bit input */ + uint32_t bufa; + uint32_t bufb; + int8_t len; + } bits_t; + + + static INLINE uint32_t showbits_hcr(bits_t *ld, uint8_t bits) + { + if (bits == 0) { + return 0; + } + if (ld->len <= 32) { + /* huffman_spectral_data_2 needs to read more than may be available, bits maybe + > ld->len, deliver 0 than */ + if (ld->len >= bits) { + return ((ld->bufa >> (ld->len - bits)) & (0xFFFFFFFF >> (32 - bits))); + } else { + return ((ld->bufa << (bits - ld->len)) & (0xFFFFFFFF >> (32 - bits))); + } + } else { + if ((ld->len - bits) < 32) { + return ((ld->bufb & (0xFFFFFFFF >> (64 - ld->len))) << (bits - ld->len + 32)) | + (ld->bufa >> (ld->len - bits)); + } else { + return ((ld->bufb >> (ld->len - bits - 32)) & (0xFFFFFFFF >> (32 - bits))); + } + } + } + + /* return 1 if position is outside of buffer, 0 otherwise */ + static INLINE int8_t flushbits_hcr(bits_t *ld, uint8_t bits) + { + ld->len -= bits; + + if (ld->len < 0) { + ld->len = 0; + return 1; + } else { + return 0; + } + } + + static INLINE int8_t getbits_hcr(bits_t *ld, uint8_t n, uint32_t *result) + { + *result = showbits_hcr(ld, n); + return flushbits_hcr(ld, n); + } + + static INLINE int8_t get1bit_hcr(bits_t *ld, uint8_t *result) + { + uint32_t res; + int8_t ret; + + ret = getbits_hcr(ld, 1, &res); + *result = (int8_t)(res & 1); + return ret; + } + +#endif + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/cfft.c b/audio_codec/libfaad/cfft.c new file mode 100644 index 0000000..222b70d --- a/dev/null +++ b/audio_codec/libfaad/cfft.c @@ -0,0 +1,988 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: cfft.c,v 1.35 2007/11/01 12:33:29 menno Exp $ +**/ + +/* + * Algorithmically based on Fortran-77 FFTPACK + * by Paul N. Swarztrauber(Version 4, 1985). + * + * Does even sized fft only + */ + +/* isign is +1 for backward and -1 for forward transforms */ +#include +#include "common.h" +#include "structs.h" + + +#include "cfft.h" +#include "cfft_tab.h" + + +/* static function declarations */ +static void passf2pos(const uint16_t ido, const uint16_t l1, const complex_t *cc, + complex_t *ch, const complex_t *wa); +static void passf2neg(const uint16_t ido, const uint16_t l1, const complex_t *cc, + complex_t *ch, const complex_t *wa); +static void passf3(const uint16_t ido, const uint16_t l1, const complex_t *cc, + complex_t *ch, const complex_t *wa1, const complex_t *wa2, const int8_t isign); +static void passf4pos(const uint16_t ido, const uint16_t l1, const complex_t *cc, complex_t *ch, + const complex_t *wa1, const complex_t *wa2, const complex_t *wa3); +static void passf4neg(const uint16_t ido, const uint16_t l1, const complex_t *cc, complex_t *ch, + const complex_t *wa1, const complex_t *wa2, const complex_t *wa3); +static void passf5(const uint16_t ido, const uint16_t l1, const complex_t *cc, complex_t *ch, + const complex_t *wa1, const complex_t *wa2, const complex_t *wa3, + const complex_t *wa4, const int8_t isign); +INLINE void cfftf1(uint16_t n, complex_t *c, complex_t *ch, + const uint16_t *ifac, const complex_t *wa, const int8_t isign); +static void cffti1(uint16_t n, complex_t *wa, uint16_t *ifac); + + +/*---------------------------------------------------------------------- + passf2, passf3, passf4, passf5. Complex FFT passes fwd and bwd. + ----------------------------------------------------------------------*/ + +static void passf2pos(const uint16_t ido, const uint16_t l1, const complex_t *cc, + complex_t *ch, const complex_t *wa) +{ + uint16_t i, k, ah, ac; + + if (ido == 1) { + for (k = 0; k < l1; k++) { + ah = 2 * k; + ac = 4 * k; + + RE(ch[ah]) = RE(cc[ac]) + RE(cc[ac + 1]); + RE(ch[ah + l1]) = RE(cc[ac]) - RE(cc[ac + 1]); + IM(ch[ah]) = IM(cc[ac]) + IM(cc[ac + 1]); + IM(ch[ah + l1]) = IM(cc[ac]) - IM(cc[ac + 1]); + } + } else { + for (k = 0; k < l1; k++) { + ah = k * ido; + ac = 2 * k * ido; + + for (i = 0; i < ido; i++) { + complex_t t2; + + RE(ch[ah + i]) = RE(cc[ac + i]) + RE(cc[ac + i + ido]); + RE(t2) = RE(cc[ac + i]) - RE(cc[ac + i + ido]); + + IM(ch[ah + i]) = IM(cc[ac + i]) + IM(cc[ac + i + ido]); + IM(t2) = IM(cc[ac + i]) - IM(cc[ac + i + ido]); + +#if 1 + ComplexMult(&IM(ch[ah + i + l1 * ido]), &RE(ch[ah + i + l1 * ido]), + IM(t2), RE(t2), RE(wa[i]), IM(wa[i])); +#else + ComplexMult(&RE(ch[ah + i + l1 * ido]), &IM(ch[ah + i + l1 * ido]), + RE(t2), IM(t2), RE(wa[i]), IM(wa[i])); +#endif + } + } + } +} + +static void passf2neg(const uint16_t ido, const uint16_t l1, const complex_t *cc, + complex_t *ch, const complex_t *wa) +{ + uint16_t i, k, ah, ac; + + if (ido == 1) { + for (k = 0; k < l1; k++) { + ah = 2 * k; + ac = 4 * k; + + RE(ch[ah]) = RE(cc[ac]) + RE(cc[ac + 1]); + RE(ch[ah + l1]) = RE(cc[ac]) - RE(cc[ac + 1]); + IM(ch[ah]) = IM(cc[ac]) + IM(cc[ac + 1]); + IM(ch[ah + l1]) = IM(cc[ac]) - IM(cc[ac + 1]); + } + } else { + for (k = 0; k < l1; k++) { + ah = k * ido; + ac = 2 * k * ido; + + for (i = 0; i < ido; i++) { + complex_t t2; + + RE(ch[ah + i]) = RE(cc[ac + i]) + RE(cc[ac + i + ido]); + RE(t2) = RE(cc[ac + i]) - RE(cc[ac + i + ido]); + + IM(ch[ah + i]) = IM(cc[ac + i]) + IM(cc[ac + i + ido]); + IM(t2) = IM(cc[ac + i]) - IM(cc[ac + i + ido]); + +#if 1 + ComplexMult(&RE(ch[ah + i + l1 * ido]), &IM(ch[ah + i + l1 * ido]), + RE(t2), IM(t2), RE(wa[i]), IM(wa[i])); +#else + ComplexMult(&IM(ch[ah + i + l1 * ido]), &RE(ch[ah + i + l1 * ido]), + IM(t2), RE(t2), RE(wa[i]), IM(wa[i])); +#endif + } + } + } +} + + +static void passf3(const uint16_t ido, const uint16_t l1, const complex_t *cc, + complex_t *ch, const complex_t *wa1, const complex_t *wa2, + const int8_t isign) +{ + static real_t taur = FRAC_CONST(-0.5); + static real_t taui = FRAC_CONST(0.866025403784439); + uint16_t i, k, ac, ah; + complex_t c2, c3, d2, d3, t2; + + if (ido == 1) { + if (isign == 1) { + for (k = 0; k < l1; k++) { + ac = 3 * k + 1; + ah = k; + + RE(t2) = RE(cc[ac]) + RE(cc[ac + 1]); + IM(t2) = IM(cc[ac]) + IM(cc[ac + 1]); + RE(c2) = RE(cc[ac - 1]) + MUL_F(RE(t2), taur); + IM(c2) = IM(cc[ac - 1]) + MUL_F(IM(t2), taur); + + RE(ch[ah]) = RE(cc[ac - 1]) + RE(t2); + IM(ch[ah]) = IM(cc[ac - 1]) + IM(t2); + + RE(c3) = MUL_F((RE(cc[ac]) - RE(cc[ac + 1])), taui); + IM(c3) = MUL_F((IM(cc[ac]) - IM(cc[ac + 1])), taui); + + RE(ch[ah + l1]) = RE(c2) - IM(c3); + IM(ch[ah + l1]) = IM(c2) + RE(c3); + RE(ch[ah + 2 * l1]) = RE(c2) + IM(c3); + IM(ch[ah + 2 * l1]) = IM(c2) - RE(c3); + } + } else { + for (k = 0; k < l1; k++) { + ac = 3 * k + 1; + ah = k; + + RE(t2) = RE(cc[ac]) + RE(cc[ac + 1]); + IM(t2) = IM(cc[ac]) + IM(cc[ac + 1]); + RE(c2) = RE(cc[ac - 1]) + MUL_F(RE(t2), taur); + IM(c2) = IM(cc[ac - 1]) + MUL_F(IM(t2), taur); + + RE(ch[ah]) = RE(cc[ac - 1]) + RE(t2); + IM(ch[ah]) = IM(cc[ac - 1]) + IM(t2); + + RE(c3) = MUL_F((RE(cc[ac]) - RE(cc[ac + 1])), taui); + IM(c3) = MUL_F((IM(cc[ac]) - IM(cc[ac + 1])), taui); + + RE(ch[ah + l1]) = RE(c2) + IM(c3); + IM(ch[ah + l1]) = IM(c2) - RE(c3); + RE(ch[ah + 2 * l1]) = RE(c2) - IM(c3); + IM(ch[ah + 2 * l1]) = IM(c2) + RE(c3); + } + } + } else { + if (isign == 1) { + for (k = 0; k < l1; k++) { + for (i = 0; i < ido; i++) { + ac = i + (3 * k + 1) * ido; + ah = i + k * ido; + + RE(t2) = RE(cc[ac]) + RE(cc[ac + ido]); + RE(c2) = RE(cc[ac - ido]) + MUL_F(RE(t2), taur); + IM(t2) = IM(cc[ac]) + IM(cc[ac + ido]); + IM(c2) = IM(cc[ac - ido]) + MUL_F(IM(t2), taur); + + RE(ch[ah]) = RE(cc[ac - ido]) + RE(t2); + IM(ch[ah]) = IM(cc[ac - ido]) + IM(t2); + + RE(c3) = MUL_F((RE(cc[ac]) - RE(cc[ac + ido])), taui); + IM(c3) = MUL_F((IM(cc[ac]) - IM(cc[ac + ido])), taui); + + RE(d2) = RE(c2) - IM(c3); + IM(d3) = IM(c2) - RE(c3); + RE(d3) = RE(c2) + IM(c3); + IM(d2) = IM(c2) + RE(c3); + +#if 1 + ComplexMult(&IM(ch[ah + l1 * ido]), &RE(ch[ah + l1 * ido]), + IM(d2), RE(d2), RE(wa1[i]), IM(wa1[i])); + ComplexMult(&IM(ch[ah + 2 * l1 * ido]), &RE(ch[ah + 2 * l1 * ido]), + IM(d3), RE(d3), RE(wa2[i]), IM(wa2[i])); +#else + ComplexMult(&RE(ch[ah + l1 * ido]), &IM(ch[ah + l1 * ido]), + RE(d2), IM(d2), RE(wa1[i]), IM(wa1[i])); + ComplexMult(&RE(ch[ah + 2 * l1 * ido]), &IM(ch[ah + 2 * l1 * ido]), + RE(d3), IM(d3), RE(wa2[i]), IM(wa2[i])); +#endif + } + } + } else { + for (k = 0; k < l1; k++) { + for (i = 0; i < ido; i++) { + ac = i + (3 * k + 1) * ido; + ah = i + k * ido; + + RE(t2) = RE(cc[ac]) + RE(cc[ac + ido]); + RE(c2) = RE(cc[ac - ido]) + MUL_F(RE(t2), taur); + IM(t2) = IM(cc[ac]) + IM(cc[ac + ido]); + IM(c2) = IM(cc[ac - ido]) + MUL_F(IM(t2), taur); + + RE(ch[ah]) = RE(cc[ac - ido]) + RE(t2); + IM(ch[ah]) = IM(cc[ac - ido]) + IM(t2); + + RE(c3) = MUL_F((RE(cc[ac]) - RE(cc[ac + ido])), taui); + IM(c3) = MUL_F((IM(cc[ac]) - IM(cc[ac + ido])), taui); + + RE(d2) = RE(c2) + IM(c3); + IM(d3) = IM(c2) + RE(c3); + RE(d3) = RE(c2) - IM(c3); + IM(d2) = IM(c2) - RE(c3); + +#if 1 + ComplexMult(&RE(ch[ah + l1 * ido]), &IM(ch[ah + l1 * ido]), + RE(d2), IM(d2), RE(wa1[i]), IM(wa1[i])); + ComplexMult(&RE(ch[ah + 2 * l1 * ido]), &IM(ch[ah + 2 * l1 * ido]), + RE(d3), IM(d3), RE(wa2[i]), IM(wa2[i])); +#else + ComplexMult(&IM(ch[ah + l1 * ido]), &RE(ch[ah + l1 * ido]), + IM(d2), RE(d2), RE(wa1[i]), IM(wa1[i])); + ComplexMult(&IM(ch[ah + 2 * l1 * ido]), &RE(ch[ah + 2 * l1 * ido]), + IM(d3), RE(d3), RE(wa2[i]), IM(wa2[i])); +#endif + } + } + } + } +} + + +static void passf4pos(const uint16_t ido, const uint16_t l1, const complex_t *cc, + complex_t *ch, const complex_t *wa1, const complex_t *wa2, + const complex_t *wa3) +{ + uint16_t i, k, ac, ah; + + if (ido == 1) { + for (k = 0; k < l1; k++) { + complex_t t1, t2, t3, t4; + + ac = 4 * k; + ah = k; + + RE(t2) = RE(cc[ac]) + RE(cc[ac + 2]); + RE(t1) = RE(cc[ac]) - RE(cc[ac + 2]); + IM(t2) = IM(cc[ac]) + IM(cc[ac + 2]); + IM(t1) = IM(cc[ac]) - IM(cc[ac + 2]); + RE(t3) = RE(cc[ac + 1]) + RE(cc[ac + 3]); + IM(t4) = RE(cc[ac + 1]) - RE(cc[ac + 3]); + IM(t3) = IM(cc[ac + 3]) + IM(cc[ac + 1]); + RE(t4) = IM(cc[ac + 3]) - IM(cc[ac + 1]); + + RE(ch[ah]) = RE(t2) + RE(t3); + RE(ch[ah + 2 * l1]) = RE(t2) - RE(t3); + + IM(ch[ah]) = IM(t2) + IM(t3); + IM(ch[ah + 2 * l1]) = IM(t2) - IM(t3); + + RE(ch[ah + l1]) = RE(t1) + RE(t4); + RE(ch[ah + 3 * l1]) = RE(t1) - RE(t4); + + IM(ch[ah + l1]) = IM(t1) + IM(t4); + IM(ch[ah + 3 * l1]) = IM(t1) - IM(t4); + } + } else { + for (k = 0; k < l1; k++) { + ac = 4 * k * ido; + ah = k * ido; + + for (i = 0; i < ido; i++) { + complex_t c2, c3, c4, t1, t2, t3, t4; + + RE(t2) = RE(cc[ac + i]) + RE(cc[ac + i + 2 * ido]); + RE(t1) = RE(cc[ac + i]) - RE(cc[ac + i + 2 * ido]); + IM(t2) = IM(cc[ac + i]) + IM(cc[ac + i + 2 * ido]); + IM(t1) = IM(cc[ac + i]) - IM(cc[ac + i + 2 * ido]); + RE(t3) = RE(cc[ac + i + ido]) + RE(cc[ac + i + 3 * ido]); + IM(t4) = RE(cc[ac + i + ido]) - RE(cc[ac + i + 3 * ido]); + IM(t3) = IM(cc[ac + i + 3 * ido]) + IM(cc[ac + i + ido]); + RE(t4) = IM(cc[ac + i + 3 * ido]) - IM(cc[ac + i + ido]); + + RE(c2) = RE(t1) + RE(t4); + RE(c4) = RE(t1) - RE(t4); + + IM(c2) = IM(t1) + IM(t4); + IM(c4) = IM(t1) - IM(t4); + + RE(ch[ah + i]) = RE(t2) + RE(t3); + RE(c3) = RE(t2) - RE(t3); + + IM(ch[ah + i]) = IM(t2) + IM(t3); + IM(c3) = IM(t2) - IM(t3); + +#if 1 + ComplexMult(&IM(ch[ah + i + l1 * ido]), &RE(ch[ah + i + l1 * ido]), + IM(c2), RE(c2), RE(wa1[i]), IM(wa1[i])); + ComplexMult(&IM(ch[ah + i + 2 * l1 * ido]), &RE(ch[ah + i + 2 * l1 * ido]), + IM(c3), RE(c3), RE(wa2[i]), IM(wa2[i])); + ComplexMult(&IM(ch[ah + i + 3 * l1 * ido]), &RE(ch[ah + i + 3 * l1 * ido]), + IM(c4), RE(c4), RE(wa3[i]), IM(wa3[i])); +#else + ComplexMult(&RE(ch[ah + i + l1 * ido]), &IM(ch[ah + i + l1 * ido]), + RE(c2), IM(c2), RE(wa1[i]), IM(wa1[i])); + ComplexMult(&RE(ch[ah + i + 2 * l1 * ido]), &IM(ch[ah + i + 2 * l1 * ido]), + RE(c3), IM(c3), RE(wa2[i]), IM(wa2[i])); + ComplexMult(&RE(ch[ah + i + 3 * l1 * ido]), &IM(ch[ah + i + 3 * l1 * ido]), + RE(c4), IM(c4), RE(wa3[i]), IM(wa3[i])); +#endif + } + } + } +} + +static void passf4neg(const uint16_t ido, const uint16_t l1, const complex_t *cc, + complex_t *ch, const complex_t *wa1, const complex_t *wa2, + const complex_t *wa3) +{ + uint16_t i, k, ac, ah; + + if (ido == 1) { + for (k = 0; k < l1; k++) { + complex_t t1, t2, t3, t4; + + ac = 4 * k; + ah = k; + + RE(t2) = RE(cc[ac]) + RE(cc[ac + 2]); + RE(t1) = RE(cc[ac]) - RE(cc[ac + 2]); + IM(t2) = IM(cc[ac]) + IM(cc[ac + 2]); + IM(t1) = IM(cc[ac]) - IM(cc[ac + 2]); + RE(t3) = RE(cc[ac + 1]) + RE(cc[ac + 3]); + IM(t4) = RE(cc[ac + 1]) - RE(cc[ac + 3]); + IM(t3) = IM(cc[ac + 3]) + IM(cc[ac + 1]); + RE(t4) = IM(cc[ac + 3]) - IM(cc[ac + 1]); + + RE(ch[ah]) = RE(t2) + RE(t3); + RE(ch[ah + 2 * l1]) = RE(t2) - RE(t3); + + IM(ch[ah]) = IM(t2) + IM(t3); + IM(ch[ah + 2 * l1]) = IM(t2) - IM(t3); + + RE(ch[ah + l1]) = RE(t1) - RE(t4); + RE(ch[ah + 3 * l1]) = RE(t1) + RE(t4); + + IM(ch[ah + l1]) = IM(t1) - IM(t4); + IM(ch[ah + 3 * l1]) = IM(t1) + IM(t4); + } + } else { + for (k = 0; k < l1; k++) { + ac = 4 * k * ido; + ah = k * ido; + + for (i = 0; i < ido; i++) { + complex_t c2, c3, c4, t1, t2, t3, t4; + + RE(t2) = RE(cc[ac + i]) + RE(cc[ac + i + 2 * ido]); + RE(t1) = RE(cc[ac + i]) - RE(cc[ac + i + 2 * ido]); + IM(t2) = IM(cc[ac + i]) + IM(cc[ac + i + 2 * ido]); + IM(t1) = IM(cc[ac + i]) - IM(cc[ac + i + 2 * ido]); + RE(t3) = RE(cc[ac + i + ido]) + RE(cc[ac + i + 3 * ido]); + IM(t4) = RE(cc[ac + i + ido]) - RE(cc[ac + i + 3 * ido]); + IM(t3) = IM(cc[ac + i + 3 * ido]) + IM(cc[ac + i + ido]); + RE(t4) = IM(cc[ac + i + 3 * ido]) - IM(cc[ac + i + ido]); + + RE(c2) = RE(t1) - RE(t4); + RE(c4) = RE(t1) + RE(t4); + + IM(c2) = IM(t1) - IM(t4); + IM(c4) = IM(t1) + IM(t4); + + RE(ch[ah + i]) = RE(t2) + RE(t3); + RE(c3) = RE(t2) - RE(t3); + + IM(ch[ah + i]) = IM(t2) + IM(t3); + IM(c3) = IM(t2) - IM(t3); + +#if 1 + ComplexMult(&RE(ch[ah + i + l1 * ido]), &IM(ch[ah + i + l1 * ido]), + RE(c2), IM(c2), RE(wa1[i]), IM(wa1[i])); + ComplexMult(&RE(ch[ah + i + 2 * l1 * ido]), &IM(ch[ah + i + 2 * l1 * ido]), + RE(c3), IM(c3), RE(wa2[i]), IM(wa2[i])); + ComplexMult(&RE(ch[ah + i + 3 * l1 * ido]), &IM(ch[ah + i + 3 * l1 * ido]), + RE(c4), IM(c4), RE(wa3[i]), IM(wa3[i])); +#else + ComplexMult(&IM(ch[ah + i + l1 * ido]), &RE(ch[ah + i + l1 * ido]), + IM(c2), RE(c2), RE(wa1[i]), IM(wa1[i])); + ComplexMult(&IM(ch[ah + i + 2 * l1 * ido]), &RE(ch[ah + i + 2 * l1 * ido]), + IM(c3), RE(c3), RE(wa2[i]), IM(wa2[i])); + ComplexMult(&IM(ch[ah + i + 3 * l1 * ido]), &RE(ch[ah + i + 3 * l1 * ido]), + IM(c4), RE(c4), RE(wa3[i]), IM(wa3[i])); +#endif + } + } + } +} + +static void passf5(const uint16_t ido, const uint16_t l1, const complex_t *cc, + complex_t *ch, const complex_t *wa1, const complex_t *wa2, const complex_t *wa3, + const complex_t *wa4, const int8_t isign) +{ + static real_t tr11 = FRAC_CONST(0.309016994374947); + static real_t ti11 = FRAC_CONST(0.951056516295154); + static real_t tr12 = FRAC_CONST(-0.809016994374947); + static real_t ti12 = FRAC_CONST(0.587785252292473); + uint16_t i, k, ac, ah; + complex_t c2, c3, c4, c5, d3, d4, d5, d2, t2, t3, t4, t5; + + if (ido == 1) { + if (isign == 1) { + for (k = 0; k < l1; k++) { + ac = 5 * k + 1; + ah = k; + + RE(t2) = RE(cc[ac]) + RE(cc[ac + 3]); + IM(t2) = IM(cc[ac]) + IM(cc[ac + 3]); + RE(t3) = RE(cc[ac + 1]) + RE(cc[ac + 2]); + IM(t3) = IM(cc[ac + 1]) + IM(cc[ac + 2]); + RE(t4) = RE(cc[ac + 1]) - RE(cc[ac + 2]); + IM(t4) = IM(cc[ac + 1]) - IM(cc[ac + 2]); + RE(t5) = RE(cc[ac]) - RE(cc[ac + 3]); + IM(t5) = IM(cc[ac]) - IM(cc[ac + 3]); + + RE(ch[ah]) = RE(cc[ac - 1]) + RE(t2) + RE(t3); + IM(ch[ah]) = IM(cc[ac - 1]) + IM(t2) + IM(t3); + + RE(c2) = RE(cc[ac - 1]) + MUL_F(RE(t2), tr11) + MUL_F(RE(t3), tr12); + IM(c2) = IM(cc[ac - 1]) + MUL_F(IM(t2), tr11) + MUL_F(IM(t3), tr12); + RE(c3) = RE(cc[ac - 1]) + MUL_F(RE(t2), tr12) + MUL_F(RE(t3), tr11); + IM(c3) = IM(cc[ac - 1]) + MUL_F(IM(t2), tr12) + MUL_F(IM(t3), tr11); + + ComplexMult(&RE(c5), &RE(c4), + ti11, ti12, RE(t5), RE(t4)); + ComplexMult(&IM(c5), &IM(c4), + ti11, ti12, IM(t5), IM(t4)); + + RE(ch[ah + l1]) = RE(c2) - IM(c5); + IM(ch[ah + l1]) = IM(c2) + RE(c5); + RE(ch[ah + 2 * l1]) = RE(c3) - IM(c4); + IM(ch[ah + 2 * l1]) = IM(c3) + RE(c4); + RE(ch[ah + 3 * l1]) = RE(c3) + IM(c4); + IM(ch[ah + 3 * l1]) = IM(c3) - RE(c4); + RE(ch[ah + 4 * l1]) = RE(c2) + IM(c5); + IM(ch[ah + 4 * l1]) = IM(c2) - RE(c5); + } + } else { + for (k = 0; k < l1; k++) { + ac = 5 * k + 1; + ah = k; + + RE(t2) = RE(cc[ac]) + RE(cc[ac + 3]); + IM(t2) = IM(cc[ac]) + IM(cc[ac + 3]); + RE(t3) = RE(cc[ac + 1]) + RE(cc[ac + 2]); + IM(t3) = IM(cc[ac + 1]) + IM(cc[ac + 2]); + RE(t4) = RE(cc[ac + 1]) - RE(cc[ac + 2]); + IM(t4) = IM(cc[ac + 1]) - IM(cc[ac + 2]); + RE(t5) = RE(cc[ac]) - RE(cc[ac + 3]); + IM(t5) = IM(cc[ac]) - IM(cc[ac + 3]); + + RE(ch[ah]) = RE(cc[ac - 1]) + RE(t2) + RE(t3); + IM(ch[ah]) = IM(cc[ac - 1]) + IM(t2) + IM(t3); + + RE(c2) = RE(cc[ac - 1]) + MUL_F(RE(t2), tr11) + MUL_F(RE(t3), tr12); + IM(c2) = IM(cc[ac - 1]) + MUL_F(IM(t2), tr11) + MUL_F(IM(t3), tr12); + RE(c3) = RE(cc[ac - 1]) + MUL_F(RE(t2), tr12) + MUL_F(RE(t3), tr11); + IM(c3) = IM(cc[ac - 1]) + MUL_F(IM(t2), tr12) + MUL_F(IM(t3), tr11); + + ComplexMult(&RE(c4), &RE(c5), + ti12, ti11, RE(t5), RE(t4)); + ComplexMult(&IM(c4), &IM(c5), + ti12, ti11, IM(t5), IM(t4)); + + RE(ch[ah + l1]) = RE(c2) + IM(c5); + IM(ch[ah + l1]) = IM(c2) - RE(c5); + RE(ch[ah + 2 * l1]) = RE(c3) + IM(c4); + IM(ch[ah + 2 * l1]) = IM(c3) - RE(c4); + RE(ch[ah + 3 * l1]) = RE(c3) - IM(c4); + IM(ch[ah + 3 * l1]) = IM(c3) + RE(c4); + RE(ch[ah + 4 * l1]) = RE(c2) - IM(c5); + IM(ch[ah + 4 * l1]) = IM(c2) + RE(c5); + } + } + } else { + if (isign == 1) { + for (k = 0; k < l1; k++) { + for (i = 0; i < ido; i++) { + ac = i + (k * 5 + 1) * ido; + ah = i + k * ido; + + RE(t2) = RE(cc[ac]) + RE(cc[ac + 3 * ido]); + IM(t2) = IM(cc[ac]) + IM(cc[ac + 3 * ido]); + RE(t3) = RE(cc[ac + ido]) + RE(cc[ac + 2 * ido]); + IM(t3) = IM(cc[ac + ido]) + IM(cc[ac + 2 * ido]); + RE(t4) = RE(cc[ac + ido]) - RE(cc[ac + 2 * ido]); + IM(t4) = IM(cc[ac + ido]) - IM(cc[ac + 2 * ido]); + RE(t5) = RE(cc[ac]) - RE(cc[ac + 3 * ido]); + IM(t5) = IM(cc[ac]) - IM(cc[ac + 3 * ido]); + + RE(ch[ah]) = RE(cc[ac - ido]) + RE(t2) + RE(t3); + IM(ch[ah]) = IM(cc[ac - ido]) + IM(t2) + IM(t3); + + RE(c2) = RE(cc[ac - ido]) + MUL_F(RE(t2), tr11) + MUL_F(RE(t3), tr12); + IM(c2) = IM(cc[ac - ido]) + MUL_F(IM(t2), tr11) + MUL_F(IM(t3), tr12); + RE(c3) = RE(cc[ac - ido]) + MUL_F(RE(t2), tr12) + MUL_F(RE(t3), tr11); + IM(c3) = IM(cc[ac - ido]) + MUL_F(IM(t2), tr12) + MUL_F(IM(t3), tr11); + + ComplexMult(&RE(c5), &RE(c4), + ti11, ti12, RE(t5), RE(t4)); + ComplexMult(&IM(c5), &IM(c4), + ti11, ti12, IM(t5), IM(t4)); + + IM(d2) = IM(c2) + RE(c5); + IM(d3) = IM(c3) + RE(c4); + RE(d4) = RE(c3) + IM(c4); + RE(d5) = RE(c2) + IM(c5); + RE(d2) = RE(c2) - IM(c5); + IM(d5) = IM(c2) - RE(c5); + RE(d3) = RE(c3) - IM(c4); + IM(d4) = IM(c3) - RE(c4); + +#if 1 + ComplexMult(&IM(ch[ah + l1 * ido]), &RE(ch[ah + l1 * ido]), + IM(d2), RE(d2), RE(wa1[i]), IM(wa1[i])); + ComplexMult(&IM(ch[ah + 2 * l1 * ido]), &RE(ch[ah + 2 * l1 * ido]), + IM(d3), RE(d3), RE(wa2[i]), IM(wa2[i])); + ComplexMult(&IM(ch[ah + 3 * l1 * ido]), &RE(ch[ah + 3 * l1 * ido]), + IM(d4), RE(d4), RE(wa3[i]), IM(wa3[i])); + ComplexMult(&IM(ch[ah + 4 * l1 * ido]), &RE(ch[ah + 4 * l1 * ido]), + IM(d5), RE(d5), RE(wa4[i]), IM(wa4[i])); +#else + ComplexMult(&RE(ch[ah + l1 * ido]), &IM(ch[ah + l1 * ido]), + RE(d2), IM(d2), RE(wa1[i]), IM(wa1[i])); + ComplexMult(&RE(ch[ah + 2 * l1 * ido]), &IM(ch[ah + 2 * l1 * ido]), + RE(d3), IM(d3), RE(wa2[i]), IM(wa2[i])); + ComplexMult(&RE(ch[ah + 3 * l1 * ido]), &IM(ch[ah + 3 * l1 * ido]), + RE(d4), IM(d4), RE(wa3[i]), IM(wa3[i])); + ComplexMult(&RE(ch[ah + 4 * l1 * ido]), &IM(ch[ah + 4 * l1 * ido]), + RE(d5), IM(d5), RE(wa4[i]), IM(wa4[i])); +#endif + } + } + } else { + for (k = 0; k < l1; k++) { + for (i = 0; i < ido; i++) { + ac = i + (k * 5 + 1) * ido; + ah = i + k * ido; + + RE(t2) = RE(cc[ac]) + RE(cc[ac + 3 * ido]); + IM(t2) = IM(cc[ac]) + IM(cc[ac + 3 * ido]); + RE(t3) = RE(cc[ac + ido]) + RE(cc[ac + 2 * ido]); + IM(t3) = IM(cc[ac + ido]) + IM(cc[ac + 2 * ido]); + RE(t4) = RE(cc[ac + ido]) - RE(cc[ac + 2 * ido]); + IM(t4) = IM(cc[ac + ido]) - IM(cc[ac + 2 * ido]); + RE(t5) = RE(cc[ac]) - RE(cc[ac + 3 * ido]); + IM(t5) = IM(cc[ac]) - IM(cc[ac + 3 * ido]); + + RE(ch[ah]) = RE(cc[ac - ido]) + RE(t2) + RE(t3); + IM(ch[ah]) = IM(cc[ac - ido]) + IM(t2) + IM(t3); + + RE(c2) = RE(cc[ac - ido]) + MUL_F(RE(t2), tr11) + MUL_F(RE(t3), tr12); + IM(c2) = IM(cc[ac - ido]) + MUL_F(IM(t2), tr11) + MUL_F(IM(t3), tr12); + RE(c3) = RE(cc[ac - ido]) + MUL_F(RE(t2), tr12) + MUL_F(RE(t3), tr11); + IM(c3) = IM(cc[ac - ido]) + MUL_F(IM(t2), tr12) + MUL_F(IM(t3), tr11); + + ComplexMult(&RE(c4), &RE(c5), + ti12, ti11, RE(t5), RE(t4)); + ComplexMult(&IM(c4), &IM(c5), + ti12, ti11, IM(t5), IM(t4)); + + IM(d2) = IM(c2) - RE(c5); + IM(d3) = IM(c3) - RE(c4); + RE(d4) = RE(c3) - IM(c4); + RE(d5) = RE(c2) - IM(c5); + RE(d2) = RE(c2) + IM(c5); + IM(d5) = IM(c2) + RE(c5); + RE(d3) = RE(c3) + IM(c4); + IM(d4) = IM(c3) + RE(c4); + +#if 1 + ComplexMult(&RE(ch[ah + l1 * ido]), &IM(ch[ah + l1 * ido]), + RE(d2), IM(d2), RE(wa1[i]), IM(wa1[i])); + ComplexMult(&RE(ch[ah + 2 * l1 * ido]), &IM(ch[ah + 2 * l1 * ido]), + RE(d3), IM(d3), RE(wa2[i]), IM(wa2[i])); + ComplexMult(&RE(ch[ah + 3 * l1 * ido]), &IM(ch[ah + 3 * l1 * ido]), + RE(d4), IM(d4), RE(wa3[i]), IM(wa3[i])); + ComplexMult(&RE(ch[ah + 4 * l1 * ido]), &IM(ch[ah + 4 * l1 * ido]), + RE(d5), IM(d5), RE(wa4[i]), IM(wa4[i])); +#else + ComplexMult(&IM(ch[ah + l1 * ido]), &RE(ch[ah + l1 * ido]), + IM(d2), RE(d2), RE(wa1[i]), IM(wa1[i])); + ComplexMult(&IM(ch[ah + 2 * l1 * ido]), &RE(ch[ah + 2 * l1 * ido]), + IM(d3), RE(d3), RE(wa2[i]), IM(wa2[i])); + ComplexMult(&IM(ch[ah + 3 * l1 * ido]), &RE(ch[ah + 3 * l1 * ido]), + IM(d4), RE(d4), RE(wa3[i]), IM(wa3[i])); + ComplexMult(&IM(ch[ah + 4 * l1 * ido]), &RE(ch[ah + 4 * l1 * ido]), + IM(d5), RE(d5), RE(wa4[i]), IM(wa4[i])); +#endif + } + } + } + } +} + + +/*---------------------------------------------------------------------- + cfftf1, cfftf, cfftb, cffti1, cffti. Complex FFTs. + ----------------------------------------------------------------------*/ + +static INLINE void cfftf1pos(uint16_t n, complex_t *c, complex_t *ch, + const uint16_t *ifac, const complex_t *wa, + const int8_t isign) +{ + uint16_t i; + uint16_t k1, l1, l2; + uint16_t na, nf, ip, iw, ix2, ix3, ix4, ido, idl1; + + nf = ifac[1]; + na = 0; + l1 = 1; + iw = 0; + + for (k1 = 2; k1 <= nf + 1; k1++) { + ip = ifac[k1]; + l2 = ip * l1; + ido = n / l2; + idl1 = ido * l1; + + switch (ip) { + case 4: + ix2 = iw + ido; + ix3 = ix2 + ido; + + if (na == 0) { + passf4pos((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw], &wa[ix2], &wa[ix3]); + } else { + passf4pos((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw], &wa[ix2], &wa[ix3]); + } + + na = 1 - na; + break; + case 2: + if (na == 0) { + passf2pos((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw]); + } else { + passf2pos((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw]); + } + + na = 1 - na; + break; + case 3: + ix2 = iw + ido; + + if (na == 0) { + passf3((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw], &wa[ix2], isign); + } else { + passf3((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw], &wa[ix2], isign); + } + + na = 1 - na; + break; + case 5: + ix2 = iw + ido; + ix3 = ix2 + ido; + ix4 = ix3 + ido; + + if (na == 0) { + passf5((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw], &wa[ix2], &wa[ix3], &wa[ix4], isign); + } else { + passf5((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw], &wa[ix2], &wa[ix3], &wa[ix4], isign); + } + + na = 1 - na; + break; + } + + l1 = l2; + iw += (ip - 1) * ido; + } + + if (na == 0) { + return; + } + + for (i = 0; i < n; i++) { + RE(c[i]) = RE(ch[i]); + IM(c[i]) = IM(ch[i]); + } +} + +static INLINE void cfftf1neg(uint16_t n, complex_t *c, complex_t *ch, + const uint16_t *ifac, const complex_t *wa, + const int8_t isign) +{ + uint16_t i; + uint16_t k1, l1, l2; + uint16_t na, nf, ip, iw, ix2, ix3, ix4, ido, idl1; + + nf = ifac[1]; + na = 0; + l1 = 1; + iw = 0; + + for (k1 = 2; k1 <= nf + 1; k1++) { + ip = ifac[k1]; + l2 = ip * l1; + ido = n / l2; + idl1 = ido * l1; + + switch (ip) { + case 4: + ix2 = iw + ido; + ix3 = ix2 + ido; + + if (na == 0) { + passf4neg((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw], &wa[ix2], &wa[ix3]); + } else { + passf4neg((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw], &wa[ix2], &wa[ix3]); + } + + na = 1 - na; + break; + case 2: + if (na == 0) { + passf2neg((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw]); + } else { + passf2neg((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw]); + } + + na = 1 - na; + break; + case 3: + ix2 = iw + ido; + + if (na == 0) { + passf3((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw], &wa[ix2], isign); + } else { + passf3((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw], &wa[ix2], isign); + } + + na = 1 - na; + break; + case 5: + ix2 = iw + ido; + ix3 = ix2 + ido; + ix4 = ix3 + ido; + + if (na == 0) { + passf5((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw], &wa[ix2], &wa[ix3], &wa[ix4], isign); + } else { + passf5((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw], &wa[ix2], &wa[ix3], &wa[ix4], isign); + } + + na = 1 - na; + break; + } + + l1 = l2; + iw += (ip - 1) * ido; + } + + if (na == 0) { + return; + } + + for (i = 0; i < n; i++) { + RE(c[i]) = RE(ch[i]); + IM(c[i]) = IM(ch[i]); + } +} + +void cfftf(cfft_info *cfft, complex_t *c) +{ + cfftf1neg(cfft->n, c, cfft->work, (const uint16_t*)cfft->ifac, (const complex_t*)cfft->tab, -1); +} + +void cfftb(cfft_info *cfft, complex_t *c) +{ + cfftf1pos(cfft->n, c, cfft->work, (const uint16_t*)cfft->ifac, (const complex_t*)cfft->tab, +1); +} + +static void cffti1(uint16_t n, complex_t *wa, uint16_t *ifac) +{ + static uint16_t ntryh[4] = {3, 4, 2, 5}; +#ifndef FIXED_POINT + real_t arg, argh, argld, fi; + uint16_t ido, ipm; + uint16_t i1, k1, l1, l2; + uint16_t ld, ii, ip; +#endif + uint16_t ntry = 0, i, j; + uint16_t ib; + uint16_t nf, nl, nq, nr; + + nl = n; + nf = 0; + j = 0; + +startloop: + j++; + + if (j <= 4) { + ntry = ntryh[j - 1]; + } else { + ntry += 2; + } + + do { + nq = nl / ntry; + nr = nl - ntry * nq; + + if (nr != 0) { + goto startloop; + } + + nf++; + ifac[nf + 1] = ntry; + nl = nq; + + if (ntry == 2 && nf != 1) { + for (i = 2; i <= nf; i++) { + ib = nf - i + 2; + ifac[ib + 1] = ifac[ib]; + } + ifac[2] = 2; + } + } while (nl != 1); + + ifac[0] = n; + ifac[1] = nf; + +#ifndef FIXED_POINT + argh = (real_t)2.0 * (real_t)M_PI / (real_t)n; + i = 0; + l1 = 1; + + for (k1 = 1; k1 <= nf; k1++) { + ip = ifac[k1 + 1]; + ld = 0; + l2 = l1 * ip; + ido = n / l2; + ipm = ip - 1; + + for (j = 0; j < ipm; j++) { + i1 = i; + RE(wa[i]) = 1.0; + IM(wa[i]) = 0.0; + ld += l1; + fi = 0; + argld = ld * argh; + + for (ii = 0; ii < ido; ii++) { + i++; + fi++; + arg = fi * argld; + RE(wa[i]) = (real_t)cos(arg); +#if 1 + IM(wa[i]) = (real_t)sin(arg); +#else + IM(wa[i]) = (real_t) - sin(arg); +#endif + } + + if (ip > 5) { + RE(wa[i1]) = RE(wa[i]); + IM(wa[i1]) = IM(wa[i]); + } + } + l1 = l2; + } +#endif +} + +cfft_info *cffti(uint16_t n) +{ + cfft_info *cfft = (cfft_info*)faad_malloc(sizeof(cfft_info)); + + cfft->n = n; + cfft->work = (complex_t*)faad_malloc(n * sizeof(complex_t)); + +#ifndef FIXED_POINT + cfft->tab = (complex_t*)faad_malloc(n * sizeof(complex_t)); + + cffti1(n, cfft->tab, cfft->ifac); +#else + cffti1(n, NULL, cfft->ifac); + + switch (n) { + case 64: + cfft->tab = (complex_t*)cfft_tab_64; + break; + case 512: + cfft->tab = (complex_t*)cfft_tab_512; + break; +#ifdef LD_DEC + case 256: + cfft->tab = (complex_t*)cfft_tab_256; + break; +#endif + +#ifdef ALLOW_SMALL_FRAMELENGTH + case 60: + cfft->tab = (complex_t*)cfft_tab_60; + break; + case 480: + cfft->tab = (complex_t*)cfft_tab_480; + break; +#ifdef LD_DEC + case 240: + cfft->tab = (complex_t*)cfft_tab_240; + break; +#endif +#endif + case 128: + cfft->tab = (complex_t*)cfft_tab_128; + break; + } +#endif + + return cfft; +} + +void cfftu(cfft_info *cfft) +{ + if (cfft->work) { + faad_free(cfft->work); + } +#ifndef FIXED_POINT + if (cfft->tab) { + faad_free(cfft->tab); + } +#endif + + if (cfft) { + faad_free(cfft); + } +} + diff --git a/audio_codec/libfaad/cfft.h b/audio_codec/libfaad/cfft.h new file mode 100644 index 0000000..2f828a3 --- a/dev/null +++ b/audio_codec/libfaad/cfft.h @@ -0,0 +1,55 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: cfft.h,v 1.24 2007/11/01 12:33:29 menno Exp $ +**/ + +#ifndef __CFFT_H__ +#define __CFFT_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + typedef struct { + uint16_t n; + uint16_t ifac[15]; + complex_t *work; + complex_t *tab; + } cfft_info; + + + void cfftf(cfft_info *cfft, complex_t *c); + void cfftb(cfft_info *cfft, complex_t *c); + cfft_info *cffti(uint16_t n); + void cfftu(cfft_info *cfft); + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/cfft_tab.h b/audio_codec/libfaad/cfft_tab.h new file mode 100644 index 0000000..6c9fee6 --- a/dev/null +++ b/audio_codec/libfaad/cfft_tab.h @@ -0,0 +1,1816 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: cfft_tab.h,v 1.21 2007/11/01 12:33:29 menno Exp $ +**/ + +#ifndef __CFFT_TAB_H__ +#define __CFFT_TAB_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef FIXED_POINT + + ALIGN static const complex_t cfft_tab_512[] = { + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.999924719333649), FRAC_CONST(0.012271538376808) }, + { FRAC_CONST(0.999698817729950), FRAC_CONST(0.024541229009628) }, + { FRAC_CONST(0.999322354793549), FRAC_CONST(0.036807224154472) }, + { FRAC_CONST(0.998795449733734), FRAC_CONST(0.049067676067352) }, + { FRAC_CONST(0.998118102550507), FRAC_CONST(0.061320740729570) }, + { FRAC_CONST(0.997290432453156), FRAC_CONST(0.073564566671848) }, + { FRAC_CONST(0.996312618255615), FRAC_CONST(0.085797317326069) }, + { FRAC_CONST(0.995184719562531), FRAC_CONST(0.098017141222954) }, + { FRAC_CONST(0.993906974792480), FRAC_CONST(0.110222205519676) }, + { FRAC_CONST(0.992479562759399), FRAC_CONST(0.122410677373409) }, + { FRAC_CONST(0.990902662277222), FRAC_CONST(0.134580716490746) }, + { FRAC_CONST(0.989176511764526), FRAC_CONST(0.146730467677116) }, + { FRAC_CONST(0.987301409244537), FRAC_CONST(0.158858150243759) }, + { FRAC_CONST(0.985277652740479), FRAC_CONST(0.170961901545525) }, + { FRAC_CONST(0.983105480670929), FRAC_CONST(0.183039888739586) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.978317379951477), FRAC_CONST(0.207111388444901) }, + { FRAC_CONST(0.975702106952667), FRAC_CONST(0.219101235270500) }, + { FRAC_CONST(0.972939968109131), FRAC_CONST(0.231058120727539) }, + { FRAC_CONST(0.970031261444092), FRAC_CONST(0.242980197072029) }, + { FRAC_CONST(0.966976463794708), FRAC_CONST(0.254865676164627) }, + { FRAC_CONST(0.963776051998138), FRAC_CONST(0.266712784767151) }, + { FRAC_CONST(0.960430502891541), FRAC_CONST(0.278519690036774) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.953306019306183), FRAC_CONST(0.302005946636200) }, + { FRAC_CONST(0.949528157711029), FRAC_CONST(0.313681751489639) }, + { FRAC_CONST(0.945607304573059), FRAC_CONST(0.325310319662094) }, + { FRAC_CONST(0.941544055938721), FRAC_CONST(0.336889863014221) }, + { FRAC_CONST(0.937339007854462), FRAC_CONST(0.348418682813644) }, + { FRAC_CONST(0.932992815971375), FRAC_CONST(0.359895050525665) }, + { FRAC_CONST(0.928506076335907), FRAC_CONST(0.371317207813263) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.919113874435425), FRAC_CONST(0.393992066383362) }, + { FRAC_CONST(0.914209723472595), FRAC_CONST(0.405241340398788) }, + { FRAC_CONST(0.909167945384979), FRAC_CONST(0.416429579257965) }, + { FRAC_CONST(0.903989315032959), FRAC_CONST(0.427555084228516) }, + { FRAC_CONST(0.898674488067627), FRAC_CONST(0.438616245985031) }, + { FRAC_CONST(0.893224298954010), FRAC_CONST(0.449611335992813) }, + { FRAC_CONST(0.887639641761780), FRAC_CONST(0.460538715124130) }, + { FRAC_CONST(0.881921231746674), FRAC_CONST(0.471396744251251) }, + { FRAC_CONST(0.876070082187653), FRAC_CONST(0.482183754444122) }, + { FRAC_CONST(0.870086967945099), FRAC_CONST(0.492898225784302) }, + { FRAC_CONST(0.863972842693329), FRAC_CONST(0.503538370132446) }, + { FRAC_CONST(0.857728600502014), FRAC_CONST(0.514102756977081) }, + { FRAC_CONST(0.851355195045471), FRAC_CONST(0.524589717388153) }, + { FRAC_CONST(0.844853579998016), FRAC_CONST(0.534997642040253) }, + { FRAC_CONST(0.838224709033966), FRAC_CONST(0.545324981212616) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.824589252471924), FRAC_CONST(0.565731823444366) }, + { FRAC_CONST(0.817584812641144), FRAC_CONST(0.575808227062225) }, + { FRAC_CONST(0.810457170009613), FRAC_CONST(0.585797905921936) }, + { FRAC_CONST(0.803207516670227), FRAC_CONST(0.595699310302734) }, + { FRAC_CONST(0.795836925506592), FRAC_CONST(0.605511009693146) }, + { FRAC_CONST(0.788346409797668), FRAC_CONST(0.615231633186340) }, + { FRAC_CONST(0.780737221240997), FRAC_CONST(0.624859511852264) }, + { FRAC_CONST(0.773010432720184), FRAC_CONST(0.634393334388733) }, + { FRAC_CONST(0.765167236328125), FRAC_CONST(0.643831551074982) }, + { FRAC_CONST(0.757208824157715), FRAC_CONST(0.653172850608826) }, + { FRAC_CONST(0.749136388301849), FRAC_CONST(0.662415802478790) }, + { FRAC_CONST(0.740951120853424), FRAC_CONST(0.671558976173401) }, + { FRAC_CONST(0.732654273509979), FRAC_CONST(0.680601000785828) }, + { FRAC_CONST(0.724247097969055), FRAC_CONST(0.689540565013886) }, + { FRAC_CONST(0.715730786323547), FRAC_CONST(0.698376297950745) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.698376238346100), FRAC_CONST(0.715730845928192) }, + { FRAC_CONST(0.689540505409241), FRAC_CONST(0.724247097969055) }, + { FRAC_CONST(0.680601000785828), FRAC_CONST(0.732654273509979) }, + { FRAC_CONST(0.671558916568756), FRAC_CONST(0.740951180458069) }, + { FRAC_CONST(0.662415742874146), FRAC_CONST(0.749136388301849) }, + { FRAC_CONST(0.653172791004181), FRAC_CONST(0.757208883762360) }, + { FRAC_CONST(0.643831551074982), FRAC_CONST(0.765167295932770) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.624859452247620), FRAC_CONST(0.780737280845642) }, + { FRAC_CONST(0.615231573581696), FRAC_CONST(0.788346409797668) }, + { FRAC_CONST(0.605511009693146), FRAC_CONST(0.795836925506592) }, + { FRAC_CONST(0.595699310302734), FRAC_CONST(0.803207516670227) }, + { FRAC_CONST(0.585797846317291), FRAC_CONST(0.810457170009613) }, + { FRAC_CONST(0.575808167457581), FRAC_CONST(0.817584812641144) }, + { FRAC_CONST(0.565731823444366), FRAC_CONST(0.824589312076569) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.545324981212616), FRAC_CONST(0.838224709033966) }, + { FRAC_CONST(0.534997642040253), FRAC_CONST(0.844853579998016) }, + { FRAC_CONST(0.524589657783508), FRAC_CONST(0.851355195045471) }, + { FRAC_CONST(0.514102697372437), FRAC_CONST(0.857728660106659) }, + { FRAC_CONST(0.503538429737091), FRAC_CONST(0.863972842693329) }, + { FRAC_CONST(0.492898195981979), FRAC_CONST(0.870086967945099) }, + { FRAC_CONST(0.482183724641800), FRAC_CONST(0.876070141792297) }, + { FRAC_CONST(0.471396654844284), FRAC_CONST(0.881921291351318) }, + { FRAC_CONST(0.460538715124130), FRAC_CONST(0.887639641761780) }, + { FRAC_CONST(0.449611306190491), FRAC_CONST(0.893224298954010) }, + { FRAC_CONST(0.438616186380386), FRAC_CONST(0.898674488067627) }, + { FRAC_CONST(0.427555114030838), FRAC_CONST(0.903989315032959) }, + { FRAC_CONST(0.416429549455643), FRAC_CONST(0.909168004989624) }, + { FRAC_CONST(0.405241280794144), FRAC_CONST(0.914209783077240) }, + { FRAC_CONST(0.393991947174072), FRAC_CONST(0.919113874435425) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.371317148208618), FRAC_CONST(0.928506076335907) }, + { FRAC_CONST(0.359894961118698), FRAC_CONST(0.932992815971375) }, + { FRAC_CONST(0.348418682813644), FRAC_CONST(0.937339007854462) }, + { FRAC_CONST(0.336889833211899), FRAC_CONST(0.941544055938721) }, + { FRAC_CONST(0.325310230255127), FRAC_CONST(0.945607364177704) }, + { FRAC_CONST(0.313681662082672), FRAC_CONST(0.949528217315674) }, + { FRAC_CONST(0.302005946636200), FRAC_CONST(0.953306019306183) }, + { FRAC_CONST(0.290284633636475), FRAC_CONST(0.956940352916718) }, + { FRAC_CONST(0.278519600629807), FRAC_CONST(0.960430562496185) }, + { FRAC_CONST(0.266712754964828), FRAC_CONST(0.963776051998138) }, + { FRAC_CONST(0.254865646362305), FRAC_CONST(0.966976463794708) }, + { FRAC_CONST(0.242980122566223), FRAC_CONST(0.970031261444092) }, + { FRAC_CONST(0.231058135628700), FRAC_CONST(0.972939968109131) }, + { FRAC_CONST(0.219101220369339), FRAC_CONST(0.975702106952667) }, + { FRAC_CONST(0.207111328840256), FRAC_CONST(0.978317379951477) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(0.183039888739586), FRAC_CONST(0.983105480670929) }, + { FRAC_CONST(0.170961856842041), FRAC_CONST(0.985277652740479) }, + { FRAC_CONST(0.158858075737953), FRAC_CONST(0.987301409244537) }, + { FRAC_CONST(0.146730497479439), FRAC_CONST(0.989176511764526) }, + { FRAC_CONST(0.134580686688423), FRAC_CONST(0.990902662277222) }, + { FRAC_CONST(0.122410625219345), FRAC_CONST(0.992479562759399) }, + { FRAC_CONST(0.110222116112709), FRAC_CONST(0.993906974792480) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(0.085797272622585), FRAC_CONST(0.996312618255615) }, + { FRAC_CONST(0.073564492166042), FRAC_CONST(0.997290432453156) }, + { FRAC_CONST(0.061320748180151), FRAC_CONST(0.998118102550507) }, + { FRAC_CONST(0.049067649990320), FRAC_CONST(0.998795449733734) }, + { FRAC_CONST(0.036807164549828), FRAC_CONST(0.999322414398193) }, + { FRAC_CONST(0.024541135877371), FRAC_CONST(0.999698817729950) }, + { FRAC_CONST(0.012271529063582), FRAC_CONST(0.999924719333649) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.012271616607904), FRAC_CONST(0.999924719333649) }, + { FRAC_CONST(-0.024541223421693), FRAC_CONST(0.999698817729950) }, + { FRAC_CONST(-0.036807250231504), FRAC_CONST(0.999322354793549) }, + { FRAC_CONST(-0.049067739397287), FRAC_CONST(0.998795449733734) }, + { FRAC_CONST(-0.061320833861828), FRAC_CONST(0.998118102550507) }, + { FRAC_CONST(-0.073564574122429), FRAC_CONST(0.997290432453156) }, + { FRAC_CONST(-0.085797362029552), FRAC_CONST(0.996312618255615) }, + { FRAC_CONST(-0.098017223179340), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(-0.110222205519676), FRAC_CONST(0.993906974792480) }, + { FRAC_CONST(-0.122410707175732), FRAC_CONST(0.992479503154755) }, + { FRAC_CONST(-0.134580776095390), FRAC_CONST(0.990902602672577) }, + { FRAC_CONST(-0.146730571985245), FRAC_CONST(0.989176511764526) }, + { FRAC_CONST(-0.158858165144920), FRAC_CONST(0.987301409244537) }, + { FRAC_CONST(-0.170961946249008), FRAC_CONST(0.985277652740479) }, + { FRAC_CONST(-0.183039978146553), FRAC_CONST(0.983105480670929) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.207111418247223), FRAC_CONST(0.978317379951477) }, + { FRAC_CONST(-0.219101309776306), FRAC_CONST(0.975702106952667) }, + { FRAC_CONST(-0.231058210134506), FRAC_CONST(0.972939908504486) }, + { FRAC_CONST(-0.242980197072029), FRAC_CONST(0.970031261444092) }, + { FRAC_CONST(-0.254865705966949), FRAC_CONST(0.966976463794708) }, + { FRAC_CONST(-0.266712844371796), FRAC_CONST(0.963776051998138) }, + { FRAC_CONST(-0.278519690036774), FRAC_CONST(0.960430502891541) }, + { FRAC_CONST(-0.290284723043442), FRAC_CONST(0.956940293312073) }, + { FRAC_CONST(-0.302006036043167), FRAC_CONST(0.953306019306183) }, + { FRAC_CONST(-0.313681721687317), FRAC_CONST(0.949528157711029) }, + { FRAC_CONST(-0.325310319662094), FRAC_CONST(0.945607304573059) }, + { FRAC_CONST(-0.336889922618866), FRAC_CONST(0.941544055938721) }, + { FRAC_CONST(-0.348418772220612), FRAC_CONST(0.937338948249817) }, + { FRAC_CONST(-0.359895050525665), FRAC_CONST(0.932992815971375) }, + { FRAC_CONST(-0.371317237615585), FRAC_CONST(0.928506076335907) }, + { FRAC_CONST(-0.382683515548706), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.393992036581039), FRAC_CONST(0.919113874435425) }, + { FRAC_CONST(-0.405241340398788), FRAC_CONST(0.914209723472595) }, + { FRAC_CONST(-0.416429519653320), FRAC_CONST(0.909168004989624) }, + { FRAC_CONST(-0.427555084228516), FRAC_CONST(0.903989315032959) }, + { FRAC_CONST(-0.438616245985031), FRAC_CONST(0.898674428462982) }, + { FRAC_CONST(-0.449611365795136), FRAC_CONST(0.893224298954010) }, + { FRAC_CONST(-0.460538804531097), FRAC_CONST(0.887639582157135) }, + { FRAC_CONST(-0.471396833658218), FRAC_CONST(0.881921231746674) }, + { FRAC_CONST(-0.482183903455734), FRAC_CONST(0.876070022583008) }, + { FRAC_CONST(-0.492898166179657), FRAC_CONST(0.870087027549744) }, + { FRAC_CONST(-0.503538370132446), FRAC_CONST(0.863972842693329) }, + { FRAC_CONST(-0.514102756977081), FRAC_CONST(0.857728600502014) }, + { FRAC_CONST(-0.524589717388153), FRAC_CONST(0.851355135440826) }, + { FRAC_CONST(-0.534997701644897), FRAC_CONST(0.844853520393372) }, + { FRAC_CONST(-0.545325100421906), FRAC_CONST(0.838224649429321) }, + { FRAC_CONST(-0.555570363998413), FRAC_CONST(0.831469535827637) }, + { FRAC_CONST(-0.565731763839722), FRAC_CONST(0.824589312076569) }, + { FRAC_CONST(-0.575808167457581), FRAC_CONST(0.817584812641144) }, + { FRAC_CONST(-0.585797905921936), FRAC_CONST(0.810457170009613) }, + { FRAC_CONST(-0.595699369907379), FRAC_CONST(0.803207516670227) }, + { FRAC_CONST(-0.605511128902435), FRAC_CONST(0.795836865901947) }, + { FRAC_CONST(-0.615231692790985), FRAC_CONST(0.788346350193024) }, + { FRAC_CONST(-0.624859631061554), FRAC_CONST(0.780737102031708) }, + { FRAC_CONST(-0.634393274784088), FRAC_CONST(0.773010492324829) }, + { FRAC_CONST(-0.643831551074982), FRAC_CONST(0.765167236328125) }, + { FRAC_CONST(-0.653172850608826), FRAC_CONST(0.757208824157715) }, + { FRAC_CONST(-0.662415802478790), FRAC_CONST(0.749136328697205) }, + { FRAC_CONST(-0.671559035778046), FRAC_CONST(0.740951061248779) }, + { FRAC_CONST(-0.680601119995117), FRAC_CONST(0.732654154300690) }, + { FRAC_CONST(-0.689540684223175), FRAC_CONST(0.724246978759766) }, + { FRAC_CONST(-0.698376238346100), FRAC_CONST(0.715730845928192) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.715730845928192), FRAC_CONST(0.698376238346100) }, + { FRAC_CONST(-0.724247157573700), FRAC_CONST(0.689540505409241) }, + { FRAC_CONST(-0.732654333114624), FRAC_CONST(0.680600941181183) }, + { FRAC_CONST(-0.740951240062714), FRAC_CONST(0.671558856964111) }, + { FRAC_CONST(-0.749136507511139), FRAC_CONST(0.662415623664856) }, + { FRAC_CONST(-0.757208824157715), FRAC_CONST(0.653172850608826) }, + { FRAC_CONST(-0.765167295932770), FRAC_CONST(0.643831551074982) }, + { FRAC_CONST(-0.773010492324829), FRAC_CONST(0.634393274784088) }, + { FRAC_CONST(-0.780737280845642), FRAC_CONST(0.624859452247620) }, + { FRAC_CONST(-0.788346469402313), FRAC_CONST(0.615231513977051) }, + { FRAC_CONST(-0.795836985111237), FRAC_CONST(0.605510950088501) }, + { FRAC_CONST(-0.803207635879517), FRAC_CONST(0.595699131488800) }, + { FRAC_CONST(-0.810457170009613), FRAC_CONST(0.585797846317291) }, + { FRAC_CONST(-0.817584812641144), FRAC_CONST(0.575808167457581) }, + { FRAC_CONST(-0.824589312076569), FRAC_CONST(0.565731763839722) }, + { FRAC_CONST(-0.831469655036926), FRAC_CONST(0.555570185184479) }, + { FRAC_CONST(-0.838224768638611), FRAC_CONST(0.545324862003326) }, + { FRAC_CONST(-0.844853639602661), FRAC_CONST(0.534997463226318) }, + { FRAC_CONST(-0.851355314254761), FRAC_CONST(0.524589538574219) }, + { FRAC_CONST(-0.857728600502014), FRAC_CONST(0.514102756977081) }, + { FRAC_CONST(-0.863972842693329), FRAC_CONST(0.503538370132446) }, + { FRAC_CONST(-0.870087027549744), FRAC_CONST(0.492898136377335) }, + { FRAC_CONST(-0.876070141792297), FRAC_CONST(0.482183694839478) }, + { FRAC_CONST(-0.881921350955963), FRAC_CONST(0.471396625041962) }, + { FRAC_CONST(-0.887639701366425), FRAC_CONST(0.460538566112518) }, + { FRAC_CONST(-0.893224298954010), FRAC_CONST(0.449611365795136) }, + { FRAC_CONST(-0.898674488067627), FRAC_CONST(0.438616245985031) }, + { FRAC_CONST(-0.903989315032959), FRAC_CONST(0.427555054426193) }, + { FRAC_CONST(-0.909168004989624), FRAC_CONST(0.416429489850998) }, + { FRAC_CONST(-0.914209783077240), FRAC_CONST(0.405241221189499) }, + { FRAC_CONST(-0.919113874435425), FRAC_CONST(0.393991917371750) }, + { FRAC_CONST(-0.923879623413086), FRAC_CONST(0.382683277130127) }, + { FRAC_CONST(-0.928506076335907), FRAC_CONST(0.371317237615585) }, + { FRAC_CONST(-0.932992815971375), FRAC_CONST(0.359895050525665) }, + { FRAC_CONST(-0.937339007854462), FRAC_CONST(0.348418653011322) }, + { FRAC_CONST(-0.941544115543365), FRAC_CONST(0.336889803409576) }, + { FRAC_CONST(-0.945607364177704), FRAC_CONST(0.325310200452805) }, + { FRAC_CONST(-0.949528217315674), FRAC_CONST(0.313681602478027) }, + { FRAC_CONST(-0.953306078910828), FRAC_CONST(0.302005797624588) }, + { FRAC_CONST(-0.956940352916718), FRAC_CONST(0.290284723043442) }, + { FRAC_CONST(-0.960430502891541), FRAC_CONST(0.278519690036774) }, + { FRAC_CONST(-0.963776051998138), FRAC_CONST(0.266712725162506) }, + { FRAC_CONST(-0.966976463794708), FRAC_CONST(0.254865586757660) }, + { FRAC_CONST(-0.970031261444092), FRAC_CONST(0.242980077862740) }, + { FRAC_CONST(-0.972939968109131), FRAC_CONST(0.231057971715927) }, + { FRAC_CONST(-0.975702166557312), FRAC_CONST(0.219101071357727) }, + { FRAC_CONST(-0.978317379951477), FRAC_CONST(0.207111403346062) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(-0.983105480670929), FRAC_CONST(0.183039844036102) }, + { FRAC_CONST(-0.985277652740479), FRAC_CONST(0.170961812138557) }, + { FRAC_CONST(-0.987301409244537), FRAC_CONST(0.158858031034470) }, + { FRAC_CONST(-0.989176511764526), FRAC_CONST(0.146730333566666) }, + { FRAC_CONST(-0.990902662277222), FRAC_CONST(0.134580522775650) }, + { FRAC_CONST(-0.992479503154755), FRAC_CONST(0.122410699725151) }, + { FRAC_CONST(-0.993906974792480), FRAC_CONST(0.110222198069096) }, + { FRAC_CONST(-0.995184719562531), FRAC_CONST(0.098017096519470) }, + { FRAC_CONST(-0.996312618255615), FRAC_CONST(0.085797227919102) }, + { FRAC_CONST(-0.997290492057800), FRAC_CONST(0.073564447462559) }, + { FRAC_CONST(-0.998118102550507), FRAC_CONST(0.061320584267378) }, + { FRAC_CONST(-0.998795449733734), FRAC_CONST(0.049067486077547) }, + { FRAC_CONST(-0.999322354793549), FRAC_CONST(0.036807239055634) }, + { FRAC_CONST(-0.999698817729950), FRAC_CONST(0.024541210383177) }, + { FRAC_CONST(-0.999924719333649), FRAC_CONST(0.012271485291421) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.999698817729950), FRAC_CONST(0.024541229009628) }, + { FRAC_CONST(0.998795449733734), FRAC_CONST(0.049067676067352) }, + { FRAC_CONST(0.997290432453156), FRAC_CONST(0.073564566671848) }, + { FRAC_CONST(0.995184719562531), FRAC_CONST(0.098017141222954) }, + { FRAC_CONST(0.992479562759399), FRAC_CONST(0.122410677373409) }, + { FRAC_CONST(0.989176511764526), FRAC_CONST(0.146730467677116) }, + { FRAC_CONST(0.985277652740479), FRAC_CONST(0.170961901545525) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.975702106952667), FRAC_CONST(0.219101235270500) }, + { FRAC_CONST(0.970031261444092), FRAC_CONST(0.242980197072029) }, + { FRAC_CONST(0.963776051998138), FRAC_CONST(0.266712784767151) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.949528157711029), FRAC_CONST(0.313681751489639) }, + { FRAC_CONST(0.941544055938721), FRAC_CONST(0.336889863014221) }, + { FRAC_CONST(0.932992815971375), FRAC_CONST(0.359895050525665) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.914209723472595), FRAC_CONST(0.405241340398788) }, + { FRAC_CONST(0.903989315032959), FRAC_CONST(0.427555084228516) }, + { FRAC_CONST(0.893224298954010), FRAC_CONST(0.449611335992813) }, + { FRAC_CONST(0.881921231746674), FRAC_CONST(0.471396744251251) }, + { FRAC_CONST(0.870086967945099), FRAC_CONST(0.492898225784302) }, + { FRAC_CONST(0.857728600502014), FRAC_CONST(0.514102756977081) }, + { FRAC_CONST(0.844853579998016), FRAC_CONST(0.534997642040253) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.817584812641144), FRAC_CONST(0.575808227062225) }, + { FRAC_CONST(0.803207516670227), FRAC_CONST(0.595699310302734) }, + { FRAC_CONST(0.788346409797668), FRAC_CONST(0.615231633186340) }, + { FRAC_CONST(0.773010432720184), FRAC_CONST(0.634393334388733) }, + { FRAC_CONST(0.757208824157715), FRAC_CONST(0.653172850608826) }, + { FRAC_CONST(0.740951120853424), FRAC_CONST(0.671558976173401) }, + { FRAC_CONST(0.724247097969055), FRAC_CONST(0.689540565013886) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.689540505409241), FRAC_CONST(0.724247097969055) }, + { FRAC_CONST(0.671558916568756), FRAC_CONST(0.740951180458069) }, + { FRAC_CONST(0.653172791004181), FRAC_CONST(0.757208883762360) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.615231573581696), FRAC_CONST(0.788346409797668) }, + { FRAC_CONST(0.595699310302734), FRAC_CONST(0.803207516670227) }, + { FRAC_CONST(0.575808167457581), FRAC_CONST(0.817584812641144) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.534997642040253), FRAC_CONST(0.844853579998016) }, + { FRAC_CONST(0.514102697372437), FRAC_CONST(0.857728660106659) }, + { FRAC_CONST(0.492898195981979), FRAC_CONST(0.870086967945099) }, + { FRAC_CONST(0.471396654844284), FRAC_CONST(0.881921291351318) }, + { FRAC_CONST(0.449611306190491), FRAC_CONST(0.893224298954010) }, + { FRAC_CONST(0.427555114030838), FRAC_CONST(0.903989315032959) }, + { FRAC_CONST(0.405241280794144), FRAC_CONST(0.914209783077240) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.359894961118698), FRAC_CONST(0.932992815971375) }, + { FRAC_CONST(0.336889833211899), FRAC_CONST(0.941544055938721) }, + { FRAC_CONST(0.313681662082672), FRAC_CONST(0.949528217315674) }, + { FRAC_CONST(0.290284633636475), FRAC_CONST(0.956940352916718) }, + { FRAC_CONST(0.266712754964828), FRAC_CONST(0.963776051998138) }, + { FRAC_CONST(0.242980122566223), FRAC_CONST(0.970031261444092) }, + { FRAC_CONST(0.219101220369339), FRAC_CONST(0.975702106952667) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(0.170961856842041), FRAC_CONST(0.985277652740479) }, + { FRAC_CONST(0.146730497479439), FRAC_CONST(0.989176511764526) }, + { FRAC_CONST(0.122410625219345), FRAC_CONST(0.992479562759399) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(0.073564492166042), FRAC_CONST(0.997290432453156) }, + { FRAC_CONST(0.049067649990320), FRAC_CONST(0.998795449733734) }, + { FRAC_CONST(0.024541135877371), FRAC_CONST(0.999698817729950) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.998795449733734), FRAC_CONST(0.049067676067352) }, + { FRAC_CONST(0.995184719562531), FRAC_CONST(0.098017141222954) }, + { FRAC_CONST(0.989176511764526), FRAC_CONST(0.146730467677116) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.970031261444092), FRAC_CONST(0.242980197072029) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.941544055938721), FRAC_CONST(0.336889863014221) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.903989315032959), FRAC_CONST(0.427555084228516) }, + { FRAC_CONST(0.881921231746674), FRAC_CONST(0.471396744251251) }, + { FRAC_CONST(0.857728600502014), FRAC_CONST(0.514102756977081) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.803207516670227), FRAC_CONST(0.595699310302734) }, + { FRAC_CONST(0.773010432720184), FRAC_CONST(0.634393334388733) }, + { FRAC_CONST(0.740951120853424), FRAC_CONST(0.671558976173401) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.671558916568756), FRAC_CONST(0.740951180458069) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.595699310302734), FRAC_CONST(0.803207516670227) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.514102697372437), FRAC_CONST(0.857728660106659) }, + { FRAC_CONST(0.471396654844284), FRAC_CONST(0.881921291351318) }, + { FRAC_CONST(0.427555114030838), FRAC_CONST(0.903989315032959) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.336889833211899), FRAC_CONST(0.941544055938721) }, + { FRAC_CONST(0.290284633636475), FRAC_CONST(0.956940352916718) }, + { FRAC_CONST(0.242980122566223), FRAC_CONST(0.970031261444092) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(0.146730497479439), FRAC_CONST(0.989176511764526) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(0.049067649990320), FRAC_CONST(0.998795449733734) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.049067739397287), FRAC_CONST(0.998795449733734) }, + { FRAC_CONST(-0.098017223179340), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(-0.146730571985245), FRAC_CONST(0.989176511764526) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.242980197072029), FRAC_CONST(0.970031261444092) }, + { FRAC_CONST(-0.290284723043442), FRAC_CONST(0.956940293312073) }, + { FRAC_CONST(-0.336889922618866), FRAC_CONST(0.941544055938721) }, + { FRAC_CONST(-0.382683515548706), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.427555084228516), FRAC_CONST(0.903989315032959) }, + { FRAC_CONST(-0.471396833658218), FRAC_CONST(0.881921231746674) }, + { FRAC_CONST(-0.514102756977081), FRAC_CONST(0.857728600502014) }, + { FRAC_CONST(-0.555570363998413), FRAC_CONST(0.831469535827637) }, + { FRAC_CONST(-0.595699369907379), FRAC_CONST(0.803207516670227) }, + { FRAC_CONST(-0.634393274784088), FRAC_CONST(0.773010492324829) }, + { FRAC_CONST(-0.671559035778046), FRAC_CONST(0.740951061248779) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.740951240062714), FRAC_CONST(0.671558856964111) }, + { FRAC_CONST(-0.773010492324829), FRAC_CONST(0.634393274784088) }, + { FRAC_CONST(-0.803207635879517), FRAC_CONST(0.595699131488800) }, + { FRAC_CONST(-0.831469655036926), FRAC_CONST(0.555570185184479) }, + { FRAC_CONST(-0.857728600502014), FRAC_CONST(0.514102756977081) }, + { FRAC_CONST(-0.881921350955963), FRAC_CONST(0.471396625041962) }, + { FRAC_CONST(-0.903989315032959), FRAC_CONST(0.427555054426193) }, + { FRAC_CONST(-0.923879623413086), FRAC_CONST(0.382683277130127) }, + { FRAC_CONST(-0.941544115543365), FRAC_CONST(0.336889803409576) }, + { FRAC_CONST(-0.956940352916718), FRAC_CONST(0.290284723043442) }, + { FRAC_CONST(-0.970031261444092), FRAC_CONST(0.242980077862740) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(-0.989176511764526), FRAC_CONST(0.146730333566666) }, + { FRAC_CONST(-0.995184719562531), FRAC_CONST(0.098017096519470) }, + { FRAC_CONST(-0.998795449733734), FRAC_CONST(0.049067486077547) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.997290432453156), FRAC_CONST(0.073564566671848) }, + { FRAC_CONST(0.989176511764526), FRAC_CONST(0.146730467677116) }, + { FRAC_CONST(0.975702106952667), FRAC_CONST(0.219101235270500) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.932992815971375), FRAC_CONST(0.359895050525665) }, + { FRAC_CONST(0.903989315032959), FRAC_CONST(0.427555084228516) }, + { FRAC_CONST(0.870086967945099), FRAC_CONST(0.492898225784302) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.788346469402313), FRAC_CONST(0.615231573581696) }, + { FRAC_CONST(0.740951120853424), FRAC_CONST(0.671558976173401) }, + { FRAC_CONST(0.689540505409241), FRAC_CONST(0.724247097969055) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.575808227062225), FRAC_CONST(0.817584812641144) }, + { FRAC_CONST(0.514102697372437), FRAC_CONST(0.857728660106659) }, + { FRAC_CONST(0.449611306190491), FRAC_CONST(0.893224298954010) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.313681751489639), FRAC_CONST(0.949528157711029) }, + { FRAC_CONST(0.242980241775513), FRAC_CONST(0.970031261444092) }, + { FRAC_CONST(0.170961856842041), FRAC_CONST(0.985277652740479) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(0.024541255086660), FRAC_CONST(0.999698817729950) }, + { FRAC_CONST(-0.049067739397287), FRAC_CONST(0.998795449733734) }, + { FRAC_CONST(-0.122410707175732), FRAC_CONST(0.992479503154755) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.266712725162506), FRAC_CONST(0.963776051998138) }, + { FRAC_CONST(-0.336889803409576), FRAC_CONST(0.941544055938721) }, + { FRAC_CONST(-0.405241340398788), FRAC_CONST(0.914209723472595) }, + { FRAC_CONST(-0.471396833658218), FRAC_CONST(0.881921231746674) }, + { FRAC_CONST(-0.534997701644897), FRAC_CONST(0.844853520393372) }, + { FRAC_CONST(-0.595699369907379), FRAC_CONST(0.803207516670227) }, + { FRAC_CONST(-0.653172850608826), FRAC_CONST(0.757208824157715) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.757208824157715), FRAC_CONST(0.653172850608826) }, + { FRAC_CONST(-0.803207516670227), FRAC_CONST(0.595699369907379) }, + { FRAC_CONST(-0.844853520393372), FRAC_CONST(0.534997701644897) }, + { FRAC_CONST(-0.881921231746674), FRAC_CONST(0.471396833658218) }, + { FRAC_CONST(-0.914209783077240), FRAC_CONST(0.405241221189499) }, + { FRAC_CONST(-0.941544115543365), FRAC_CONST(0.336889803409576) }, + { FRAC_CONST(-0.963776051998138), FRAC_CONST(0.266712725162506) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(-0.992479503154755), FRAC_CONST(0.122410699725151) }, + { FRAC_CONST(-0.998795449733734), FRAC_CONST(0.049067724496126) }, + { FRAC_CONST(-0.999698817729950), FRAC_CONST(-0.024541147053242) }, + { FRAC_CONST(-0.995184719562531), FRAC_CONST(-0.098017267882824) }, + { FRAC_CONST(-0.985277652740479), FRAC_CONST(-0.170961990952492) }, + { FRAC_CONST(-0.970031261444092), FRAC_CONST(-0.242980241775513) }, + { FRAC_CONST(-0.949528157711029), FRAC_CONST(-0.313681781291962) }, + { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) }, + { FRAC_CONST(-0.893224298954010), FRAC_CONST(-0.449611306190491) }, + { FRAC_CONST(-0.857728660106659), FRAC_CONST(-0.514102697372437) }, + { FRAC_CONST(-0.817584872245789), FRAC_CONST(-0.575808107852936) }, + { FRAC_CONST(-0.773010551929474), FRAC_CONST(-0.634393215179443) }, + { FRAC_CONST(-0.724247038364410), FRAC_CONST(-0.689540624618530) }, + { FRAC_CONST(-0.671558916568756), FRAC_CONST(-0.740951180458069) }, + { FRAC_CONST(-0.615231573581696), FRAC_CONST(-0.788346469402313) }, + { FRAC_CONST(-0.555570006370544), FRAC_CONST(-0.831469774246216) }, + { FRAC_CONST(-0.492898195981979), FRAC_CONST(-0.870086967945099) }, + { FRAC_CONST(-0.427554935216904), FRAC_CONST(-0.903989374637604) }, + { FRAC_CONST(-0.359895110130310), FRAC_CONST(-0.932992756366730) }, + { FRAC_CONST(-0.290284544229507), FRAC_CONST(-0.956940352916718) }, + { FRAC_CONST(-0.219101369380951), FRAC_CONST(-0.975702106952667) }, + { FRAC_CONST(-0.146730408072472), FRAC_CONST(-0.989176511764526) }, + { FRAC_CONST(-0.073564760386944), FRAC_CONST(-0.997290432453156) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.995184719562531), FRAC_CONST(0.098017141222954) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.881921231746674), FRAC_CONST(0.471396744251251) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.773010432720184), FRAC_CONST(0.634393334388733) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.471396654844284), FRAC_CONST(0.881921291351318) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.290284633636475), FRAC_CONST(0.956940352916718) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.382683515548706), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.555570363998413), FRAC_CONST(0.831469535827637) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.831469655036926), FRAC_CONST(0.555570185184479) }, + { FRAC_CONST(-0.923879623413086), FRAC_CONST(0.382683277130127) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.471396833658218), FRAC_CONST(0.881921231746674) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.881921231746674), FRAC_CONST(0.471396833658218) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(-0.995184719562531), FRAC_CONST(-0.098017267882824) }, + { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) }, + { FRAC_CONST(-0.773010551929474), FRAC_CONST(-0.634393215179443) }, + { FRAC_CONST(-0.555570006370544), FRAC_CONST(-0.831469774246216) }, + { FRAC_CONST(-0.290284544229507), FRAC_CONST(-0.956940352916718) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.000000011924881), FRAC_CONST(-1.000000000000000) } + }; + +#ifdef ALLOW_SMALL_FRAMELENGTH + ALIGN static const complex_t cfft_tab_480[] = { + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.999914348125458), FRAC_CONST(0.013089596293867) }, + { FRAC_CONST(0.999657332897186), FRAC_CONST(0.026176949962974) }, + { FRAC_CONST(0.999229013919830), FRAC_CONST(0.039259817451239) }, + { FRAC_CONST(0.998629510402679), FRAC_CONST(0.052335958927870) }, + { FRAC_CONST(0.997858941555023), FRAC_CONST(0.065403133630753) }, + { FRAC_CONST(0.996917307376862), FRAC_CONST(0.078459098935127) }, + { FRAC_CONST(0.995804905891418), FRAC_CONST(0.091501623392105) }, + { FRAC_CONST(0.994521915912628), FRAC_CONST(0.104528464376926) }, + { FRAC_CONST(0.993068456649780), FRAC_CONST(0.117537401616573) }, + { FRAC_CONST(0.991444885730743), FRAC_CONST(0.130526199936867) }, + { FRAC_CONST(0.989651381969452), FRAC_CONST(0.143492624163628) }, + { FRAC_CONST(0.987688362598419), FRAC_CONST(0.156434476375580) }, + { FRAC_CONST(0.985556066036224), FRAC_CONST(0.169349506497383) }, + { FRAC_CONST(0.983254909515381), FRAC_CONST(0.182235524058342) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.978147625923157), FRAC_CONST(0.207911700010300) }, + { FRAC_CONST(0.975342333316803), FRAC_CONST(0.220697447657585) }, + { FRAC_CONST(0.972369909286499), FRAC_CONST(0.233445376157761) }, + { FRAC_CONST(0.969230890274048), FRAC_CONST(0.246153295040131) }, + { FRAC_CONST(0.965925812721252), FRAC_CONST(0.258819043636322) }, + { FRAC_CONST(0.962455213069916), FRAC_CONST(0.271440446376801) }, + { FRAC_CONST(0.958819746971130), FRAC_CONST(0.284015357494354) }, + { FRAC_CONST(0.955019950866699), FRAC_CONST(0.296541601419449) }, + { FRAC_CONST(0.951056540012360), FRAC_CONST(0.309017002582550) }, + { FRAC_CONST(0.946930110454559), FRAC_CONST(0.321439445018768) }, + { FRAC_CONST(0.942641496658325), FRAC_CONST(0.333806872367859) }, + { FRAC_CONST(0.938191354274750), FRAC_CONST(0.346117079257965) }, + { FRAC_CONST(0.933580398559570), FRAC_CONST(0.358367949724197) }, + { FRAC_CONST(0.928809583187103), FRAC_CONST(0.370557427406311) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.918791174888611), FRAC_CONST(0.394743889570236) }, + { FRAC_CONST(0.913545429706573), FRAC_CONST(0.406736642122269) }, + { FRAC_CONST(0.908143162727356), FRAC_CONST(0.418659746646881) }, + { FRAC_CONST(0.902585268020630), FRAC_CONST(0.430511116981506) }, + { FRAC_CONST(0.896872758865356), FRAC_CONST(0.442288726568222) }, + { FRAC_CONST(0.891006529331207), FRAC_CONST(0.453990519046783) }, + { FRAC_CONST(0.884987652301788), FRAC_CONST(0.465614527463913) }, + { FRAC_CONST(0.878817081451416), FRAC_CONST(0.477158784866333) }, + { FRAC_CONST(0.872496008872986), FRAC_CONST(0.488621264696121) }, + { FRAC_CONST(0.866025388240814), FRAC_CONST(0.500000000000000) }, + { FRAC_CONST(0.859406411647797), FRAC_CONST(0.511293113231659) }, + { FRAC_CONST(0.852640151977539), FRAC_CONST(0.522498548030853) }, + { FRAC_CONST(0.845727801322937), FRAC_CONST(0.533614516258240) }, + { FRAC_CONST(0.838670551776886), FRAC_CONST(0.544639050960541) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.824126183986664), FRAC_CONST(0.566406250000000) }, + { FRAC_CONST(0.816641509532928), FRAC_CONST(0.577145218849182) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.801253795623779), FRAC_CONST(0.598324596881866) }, + { FRAC_CONST(0.793353319168091), FRAC_CONST(0.608761429786682) }, + { FRAC_CONST(0.785316884517670), FRAC_CONST(0.619093954563141) }, + { FRAC_CONST(0.777145922183990), FRAC_CONST(0.629320383071899) }, + { FRAC_CONST(0.768841803073883), FRAC_CONST(0.639438986778259) }, + { FRAC_CONST(0.760405957698822), FRAC_CONST(0.649448096752167) }, + { FRAC_CONST(0.751839756965637), FRAC_CONST(0.659345865249634) }, + { FRAC_CONST(0.743144810199738), FRAC_CONST(0.669130623340607) }, + { FRAC_CONST(0.734322488307953), FRAC_CONST(0.678800761699677) }, + { FRAC_CONST(0.725374400615692), FRAC_CONST(0.688354551792145) }, + { FRAC_CONST(0.716301918029785), FRAC_CONST(0.697790503501892) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.697790443897247), FRAC_CONST(0.716301977634430) }, + { FRAC_CONST(0.688354551792145), FRAC_CONST(0.725374400615692) }, + { FRAC_CONST(0.678800702095032), FRAC_CONST(0.734322547912598) }, + { FRAC_CONST(0.669130563735962), FRAC_CONST(0.743144869804382) }, + { FRAC_CONST(0.659345805644989), FRAC_CONST(0.751839816570282) }, + { FRAC_CONST(0.649448037147522), FRAC_CONST(0.760405957698822) }, + { FRAC_CONST(0.639438986778259), FRAC_CONST(0.768841862678528) }, + { FRAC_CONST(0.629320383071899), FRAC_CONST(0.777145981788635) }, + { FRAC_CONST(0.619093954563141), FRAC_CONST(0.785316944122314) }, + { FRAC_CONST(0.608761370182037), FRAC_CONST(0.793353378772736) }, + { FRAC_CONST(0.598324596881866), FRAC_CONST(0.801253855228424) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.577145159244537), FRAC_CONST(0.816641569137573) }, + { FRAC_CONST(0.566406250000000), FRAC_CONST(0.824126183986664) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.544638991355896), FRAC_CONST(0.838670611381531) }, + { FRAC_CONST(0.533614516258240), FRAC_CONST(0.845727801322937) }, + { FRAC_CONST(0.522498488426209), FRAC_CONST(0.852640211582184) }, + { FRAC_CONST(0.511293113231659), FRAC_CONST(0.859406411647797) }, + { FRAC_CONST(0.499999970197678), FRAC_CONST(0.866025447845459) }, + { FRAC_CONST(0.488621175289154), FRAC_CONST(0.872496068477631) }, + { FRAC_CONST(0.477158755064011), FRAC_CONST(0.878817141056061) }, + { FRAC_CONST(0.465614467859268), FRAC_CONST(0.884987652301788) }, + { FRAC_CONST(0.453990519046783), FRAC_CONST(0.891006529331207) }, + { FRAC_CONST(0.442288666963577), FRAC_CONST(0.896872758865356) }, + { FRAC_CONST(0.430511027574539), FRAC_CONST(0.902585327625275) }, + { FRAC_CONST(0.418659746646881), FRAC_CONST(0.908143162727356) }, + { FRAC_CONST(0.406736612319946), FRAC_CONST(0.913545489311218) }, + { FRAC_CONST(0.394743800163269), FRAC_CONST(0.918791234493256) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.370557397603989), FRAC_CONST(0.928809583187103) }, + { FRAC_CONST(0.358367860317230), FRAC_CONST(0.933580458164215) }, + { FRAC_CONST(0.346117049455643), FRAC_CONST(0.938191354274750) }, + { FRAC_CONST(0.333806812763214), FRAC_CONST(0.942641496658325) }, + { FRAC_CONST(0.321439474821091), FRAC_CONST(0.946930110454559) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(0.296541512012482), FRAC_CONST(0.955019950866699) }, + { FRAC_CONST(0.284015327692032), FRAC_CONST(0.958819746971130) }, + { FRAC_CONST(0.271440386772156), FRAC_CONST(0.962455272674561) }, + { FRAC_CONST(0.258819073438644), FRAC_CONST(0.965925812721252) }, + { FRAC_CONST(0.246153265237808), FRAC_CONST(0.969230890274048) }, + { FRAC_CONST(0.233445301651955), FRAC_CONST(0.972369909286499) }, + { FRAC_CONST(0.220697447657585), FRAC_CONST(0.975342333316803) }, + { FRAC_CONST(0.207911655306816), FRAC_CONST(0.978147625923157) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(0.182235524058342), FRAC_CONST(0.983254909515381) }, + { FRAC_CONST(0.169349446892738), FRAC_CONST(0.985556066036224) }, + { FRAC_CONST(0.156434372067451), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(0.143492594361305), FRAC_CONST(0.989651381969452) }, + { FRAC_CONST(0.130526125431061), FRAC_CONST(0.991444885730743) }, + { FRAC_CONST(0.117537401616573), FRAC_CONST(0.993068456649780) }, + { FRAC_CONST(0.104528419673443), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(0.091501533985138), FRAC_CONST(0.995804905891418) }, + { FRAC_CONST(0.078459084033966), FRAC_CONST(0.996917307376862) }, + { FRAC_CONST(0.065403074026108), FRAC_CONST(0.997858941555023) }, + { FRAC_CONST(0.052335973829031), FRAC_CONST(0.998629510402679) }, + { FRAC_CONST(0.039259787648916), FRAC_CONST(0.999229013919830) }, + { FRAC_CONST(0.026176875457168), FRAC_CONST(0.999657332897186) }, + { FRAC_CONST(0.013089597225189), FRAC_CONST(0.999914348125458) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.013089684769511), FRAC_CONST(0.999914348125458) }, + { FRAC_CONST(-0.026176963001490), FRAC_CONST(0.999657332897186) }, + { FRAC_CONST(-0.039259877055883), FRAC_CONST(0.999229013919830) }, + { FRAC_CONST(-0.052336059510708), FRAC_CONST(0.998629510402679) }, + { FRAC_CONST(-0.065403163433075), FRAC_CONST(0.997858941555023) }, + { FRAC_CONST(-0.078459173440933), FRAC_CONST(0.996917307376862) }, + { FRAC_CONST(-0.091501623392105), FRAC_CONST(0.995804905891418) }, + { FRAC_CONST(-0.104528509080410), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(-0.117537491023541), FRAC_CONST(0.993068456649780) }, + { FRAC_CONST(-0.130526214838028), FRAC_CONST(0.991444885730743) }, + { FRAC_CONST(-0.143492683768272), FRAC_CONST(0.989651381969452) }, + { FRAC_CONST(-0.156434446573257), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(-0.169349536299706), FRAC_CONST(0.985556066036224) }, + { FRAC_CONST(-0.182235598564148), FRAC_CONST(0.983254909515381) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.207911744713783), FRAC_CONST(0.978147566318512) }, + { FRAC_CONST(-0.220697522163391), FRAC_CONST(0.975342273712158) }, + { FRAC_CONST(-0.233445391058922), FRAC_CONST(0.972369909286499) }, + { FRAC_CONST(-0.246153354644775), FRAC_CONST(0.969230890274048) }, + { FRAC_CONST(-0.258819162845612), FRAC_CONST(0.965925812721252) }, + { FRAC_CONST(-0.271440476179123), FRAC_CONST(0.962455213069916) }, + { FRAC_CONST(-0.284015417098999), FRAC_CONST(0.958819687366486) }, + { FRAC_CONST(-0.296541571617126), FRAC_CONST(0.955019950866699) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.321439564228058), FRAC_CONST(0.946930110454559) }, + { FRAC_CONST(-0.333806872367859), FRAC_CONST(0.942641496658325) }, + { FRAC_CONST(-0.346117109060287), FRAC_CONST(0.938191294670105) }, + { FRAC_CONST(-0.358367949724197), FRAC_CONST(0.933580458164215) }, + { FRAC_CONST(-0.370557487010956), FRAC_CONST(0.928809523582459) }, + { FRAC_CONST(-0.382683515548706), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.394743859767914), FRAC_CONST(0.918791234493256) }, + { FRAC_CONST(-0.406736701726913), FRAC_CONST(0.913545429706573) }, + { FRAC_CONST(-0.418659836053848), FRAC_CONST(0.908143103122711) }, + { FRAC_CONST(-0.430511116981506), FRAC_CONST(0.902585268020630) }, + { FRAC_CONST(-0.442288637161255), FRAC_CONST(0.896872758865356) }, + { FRAC_CONST(-0.453990608453751), FRAC_CONST(0.891006469726563) }, + { FRAC_CONST(-0.465614557266235), FRAC_CONST(0.884987592697144) }, + { FRAC_CONST(-0.477158725261688), FRAC_CONST(0.878817141056061) }, + { FRAC_CONST(-0.488621354103088), FRAC_CONST(0.872495949268341) }, + { FRAC_CONST(-0.500000059604645), FRAC_CONST(0.866025388240814) }, + { FRAC_CONST(-0.511293053627014), FRAC_CONST(0.859406411647797) }, + { FRAC_CONST(-0.522498667240143), FRAC_CONST(0.852640092372894) }, + { FRAC_CONST(-0.533614575862885), FRAC_CONST(0.845727801322937) }, + { FRAC_CONST(-0.544639050960541), FRAC_CONST(0.838670551776886) }, + { FRAC_CONST(-0.555570363998413), FRAC_CONST(0.831469535827637) }, + { FRAC_CONST(-0.566406309604645), FRAC_CONST(0.824126124382019) }, + { FRAC_CONST(-0.577145218849182), FRAC_CONST(0.816641569137573) }, + { FRAC_CONST(-0.587785184383392), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(-0.598324656486511), FRAC_CONST(0.801253736019135) }, + { FRAC_CONST(-0.608761429786682), FRAC_CONST(0.793353319168091) }, + { FRAC_CONST(-0.619093894958496), FRAC_CONST(0.785316944122314) }, + { FRAC_CONST(-0.629320502281189), FRAC_CONST(0.777145862579346) }, + { FRAC_CONST(-0.639439046382904), FRAC_CONST(0.768841803073883) }, + { FRAC_CONST(-0.649448037147522), FRAC_CONST(0.760405957698822) }, + { FRAC_CONST(-0.659345924854279), FRAC_CONST(0.751839697360992) }, + { FRAC_CONST(-0.669130682945251), FRAC_CONST(0.743144810199738) }, + { FRAC_CONST(-0.678800761699677), FRAC_CONST(0.734322488307953) }, + { FRAC_CONST(-0.688354671001434), FRAC_CONST(0.725374281406403) }, + { FRAC_CONST(-0.697790503501892), FRAC_CONST(0.716301858425140) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.716302037239075), FRAC_CONST(0.697790324687958) }, + { FRAC_CONST(-0.725374460220337), FRAC_CONST(0.688354492187500) }, + { FRAC_CONST(-0.734322547912598), FRAC_CONST(0.678800702095032) }, + { FRAC_CONST(-0.743144929409027), FRAC_CONST(0.669130444526672) }, + { FRAC_CONST(-0.751839876174927), FRAC_CONST(0.659345746040344) }, + { FRAC_CONST(-0.760406017303467), FRAC_CONST(0.649448037147522) }, + { FRAC_CONST(-0.768841803073883), FRAC_CONST(0.639439046382904) }, + { FRAC_CONST(-0.777146041393280), FRAC_CONST(0.629320263862610) }, + { FRAC_CONST(-0.785316944122314), FRAC_CONST(0.619093894958496) }, + { FRAC_CONST(-0.793353319168091), FRAC_CONST(0.608761429786682) }, + { FRAC_CONST(-0.801253914833069), FRAC_CONST(0.598324477672577) }, + { FRAC_CONST(-0.809017062187195), FRAC_CONST(0.587785184383392) }, + { FRAC_CONST(-0.816641569137573), FRAC_CONST(0.577145218849182) }, + { FRAC_CONST(-0.824126303195953), FRAC_CONST(0.566406130790710) }, + { FRAC_CONST(-0.831469655036926), FRAC_CONST(0.555570185184479) }, + { FRAC_CONST(-0.838670551776886), FRAC_CONST(0.544639050960541) }, + { FRAC_CONST(-0.845727920532227), FRAC_CONST(0.533614337444305) }, + { FRAC_CONST(-0.852640211582184), FRAC_CONST(0.522498488426209) }, + { FRAC_CONST(-0.859406411647797), FRAC_CONST(0.511293053627014) }, + { FRAC_CONST(-0.866025388240814), FRAC_CONST(0.500000059604645) }, + { FRAC_CONST(-0.872496068477631), FRAC_CONST(0.488621145486832) }, + { FRAC_CONST(-0.878817141056061), FRAC_CONST(0.477158725261688) }, + { FRAC_CONST(-0.884987652301788), FRAC_CONST(0.465614557266235) }, + { FRAC_CONST(-0.891006588935852), FRAC_CONST(0.453990370035172) }, + { FRAC_CONST(-0.896872758865356), FRAC_CONST(0.442288637161255) }, + { FRAC_CONST(-0.902585268020630), FRAC_CONST(0.430511116981506) }, + { FRAC_CONST(-0.908143222332001), FRAC_CONST(0.418659597635269) }, + { FRAC_CONST(-0.913545489311218), FRAC_CONST(0.406736582517624) }, + { FRAC_CONST(-0.918791234493256), FRAC_CONST(0.394743859767914) }, + { FRAC_CONST(-0.923879623413086), FRAC_CONST(0.382683277130127) }, + { FRAC_CONST(-0.928809583187103), FRAC_CONST(0.370557337999344) }, + { FRAC_CONST(-0.933580458164215), FRAC_CONST(0.358367919921875) }, + { FRAC_CONST(-0.938191413879395), FRAC_CONST(0.346116900444031) }, + { FRAC_CONST(-0.942641556262970), FRAC_CONST(0.333806753158569) }, + { FRAC_CONST(-0.946930170059204), FRAC_CONST(0.321439445018768) }, + { FRAC_CONST(-0.951056599617004), FRAC_CONST(0.309016793966293) }, + { FRAC_CONST(-0.955020010471344), FRAC_CONST(0.296541452407837) }, + { FRAC_CONST(-0.958819746971130), FRAC_CONST(0.284015297889709) }, + { FRAC_CONST(-0.962455213069916), FRAC_CONST(0.271440476179123) }, + { FRAC_CONST(-0.965925872325897), FRAC_CONST(0.258818924427032) }, + { FRAC_CONST(-0.969230949878693), FRAC_CONST(0.246153235435486) }, + { FRAC_CONST(-0.972369909286499), FRAC_CONST(0.233445376157761) }, + { FRAC_CONST(-0.975342333316803), FRAC_CONST(0.220697283744812) }, + { FRAC_CONST(-0.978147625923157), FRAC_CONST(0.207911610603333) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(-0.983254909515381), FRAC_CONST(0.182235360145569) }, + { FRAC_CONST(-0.985556066036224), FRAC_CONST(0.169349402189255) }, + { FRAC_CONST(-0.987688362598419), FRAC_CONST(0.156434446573257) }, + { FRAC_CONST(-0.989651441574097), FRAC_CONST(0.143492430448532) }, + { FRAC_CONST(-0.991444885730743), FRAC_CONST(0.130526080727577) }, + { FRAC_CONST(-0.993068456649780), FRAC_CONST(0.117537356913090) }, + { FRAC_CONST(-0.994521915912628), FRAC_CONST(0.104528494179249) }, + { FRAC_CONST(-0.995804965496063), FRAC_CONST(0.091501489281654) }, + { FRAC_CONST(-0.996917366981506), FRAC_CONST(0.078459039330482) }, + { FRAC_CONST(-0.997858941555023), FRAC_CONST(0.065403148531914) }, + { FRAC_CONST(-0.998629570007324), FRAC_CONST(0.052335809916258) }, + { FRAC_CONST(-0.999229013919830), FRAC_CONST(0.039259742945433) }, + { FRAC_CONST(-0.999657332897186), FRAC_CONST(0.026176951825619) }, + { FRAC_CONST(-0.999914348125458), FRAC_CONST(0.013089434243739) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.999657332897186), FRAC_CONST(0.026176949962974) }, + { FRAC_CONST(0.998629510402679), FRAC_CONST(0.052335958927870) }, + { FRAC_CONST(0.996917307376862), FRAC_CONST(0.078459098935127) }, + { FRAC_CONST(0.994521915912628), FRAC_CONST(0.104528464376926) }, + { FRAC_CONST(0.991444885730743), FRAC_CONST(0.130526199936867) }, + { FRAC_CONST(0.987688362598419), FRAC_CONST(0.156434476375580) }, + { FRAC_CONST(0.983254909515381), FRAC_CONST(0.182235524058342) }, + { FRAC_CONST(0.978147625923157), FRAC_CONST(0.207911700010300) }, + { FRAC_CONST(0.972369909286499), FRAC_CONST(0.233445376157761) }, + { FRAC_CONST(0.965925812721252), FRAC_CONST(0.258819043636322) }, + { FRAC_CONST(0.958819746971130), FRAC_CONST(0.284015357494354) }, + { FRAC_CONST(0.951056540012360), FRAC_CONST(0.309017002582550) }, + { FRAC_CONST(0.942641496658325), FRAC_CONST(0.333806872367859) }, + { FRAC_CONST(0.933580398559570), FRAC_CONST(0.358367949724197) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.913545429706573), FRAC_CONST(0.406736642122269) }, + { FRAC_CONST(0.902585268020630), FRAC_CONST(0.430511116981506) }, + { FRAC_CONST(0.891006529331207), FRAC_CONST(0.453990519046783) }, + { FRAC_CONST(0.878817081451416), FRAC_CONST(0.477158784866333) }, + { FRAC_CONST(0.866025388240814), FRAC_CONST(0.500000000000000) }, + { FRAC_CONST(0.852640151977539), FRAC_CONST(0.522498548030853) }, + { FRAC_CONST(0.838670551776886), FRAC_CONST(0.544639050960541) }, + { FRAC_CONST(0.824126183986664), FRAC_CONST(0.566406250000000) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.793353319168091), FRAC_CONST(0.608761429786682) }, + { FRAC_CONST(0.777145922183990), FRAC_CONST(0.629320383071899) }, + { FRAC_CONST(0.760405957698822), FRAC_CONST(0.649448096752167) }, + { FRAC_CONST(0.743144810199738), FRAC_CONST(0.669130623340607) }, + { FRAC_CONST(0.725374400615692), FRAC_CONST(0.688354551792145) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.688354551792145), FRAC_CONST(0.725374400615692) }, + { FRAC_CONST(0.669130563735962), FRAC_CONST(0.743144869804382) }, + { FRAC_CONST(0.649448037147522), FRAC_CONST(0.760405957698822) }, + { FRAC_CONST(0.629320383071899), FRAC_CONST(0.777145981788635) }, + { FRAC_CONST(0.608761370182037), FRAC_CONST(0.793353378772736) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.566406250000000), FRAC_CONST(0.824126183986664) }, + { FRAC_CONST(0.544638991355896), FRAC_CONST(0.838670611381531) }, + { FRAC_CONST(0.522498488426209), FRAC_CONST(0.852640211582184) }, + { FRAC_CONST(0.499999970197678), FRAC_CONST(0.866025447845459) }, + { FRAC_CONST(0.477158755064011), FRAC_CONST(0.878817141056061) }, + { FRAC_CONST(0.453990519046783), FRAC_CONST(0.891006529331207) }, + { FRAC_CONST(0.430511027574539), FRAC_CONST(0.902585327625275) }, + { FRAC_CONST(0.406736612319946), FRAC_CONST(0.913545489311218) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.358367860317230), FRAC_CONST(0.933580458164215) }, + { FRAC_CONST(0.333806812763214), FRAC_CONST(0.942641496658325) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(0.284015327692032), FRAC_CONST(0.958819746971130) }, + { FRAC_CONST(0.258819073438644), FRAC_CONST(0.965925812721252) }, + { FRAC_CONST(0.233445301651955), FRAC_CONST(0.972369909286499) }, + { FRAC_CONST(0.207911655306816), FRAC_CONST(0.978147625923157) }, + { FRAC_CONST(0.182235524058342), FRAC_CONST(0.983254909515381) }, + { FRAC_CONST(0.156434372067451), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(0.130526125431061), FRAC_CONST(0.991444885730743) }, + { FRAC_CONST(0.104528419673443), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(0.078459084033966), FRAC_CONST(0.996917307376862) }, + { FRAC_CONST(0.052335973829031), FRAC_CONST(0.998629510402679) }, + { FRAC_CONST(0.026176875457168), FRAC_CONST(0.999657332897186) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.026176963001490), FRAC_CONST(0.999657332897186) }, + { FRAC_CONST(-0.052336059510708), FRAC_CONST(0.998629510402679) }, + { FRAC_CONST(-0.078459173440933), FRAC_CONST(0.996917307376862) }, + { FRAC_CONST(-0.104528509080410), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(-0.130526214838028), FRAC_CONST(0.991444885730743) }, + { FRAC_CONST(-0.156434446573257), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(-0.182235598564148), FRAC_CONST(0.983254909515381) }, + { FRAC_CONST(-0.207911744713783), FRAC_CONST(0.978147566318512) }, + { FRAC_CONST(-0.233445391058922), FRAC_CONST(0.972369909286499) }, + { FRAC_CONST(-0.258819162845612), FRAC_CONST(0.965925812721252) }, + { FRAC_CONST(-0.284015417098999), FRAC_CONST(0.958819687366486) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.333806872367859), FRAC_CONST(0.942641496658325) }, + { FRAC_CONST(-0.358367949724197), FRAC_CONST(0.933580458164215) }, + { FRAC_CONST(-0.382683515548706), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.406736701726913), FRAC_CONST(0.913545429706573) }, + { FRAC_CONST(-0.430511116981506), FRAC_CONST(0.902585268020630) }, + { FRAC_CONST(-0.453990608453751), FRAC_CONST(0.891006469726563) }, + { FRAC_CONST(-0.477158725261688), FRAC_CONST(0.878817141056061) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.998629510402679), FRAC_CONST(0.052335958927870) }, + { FRAC_CONST(0.994521915912628), FRAC_CONST(0.104528464376926) }, + { FRAC_CONST(0.987688362598419), FRAC_CONST(0.156434476375580) }, + { FRAC_CONST(0.978147625923157), FRAC_CONST(0.207911700010300) }, + { FRAC_CONST(0.965925812721252), FRAC_CONST(0.258819043636322) }, + { FRAC_CONST(0.951056540012360), FRAC_CONST(0.309017002582550) }, + { FRAC_CONST(0.933580398559570), FRAC_CONST(0.358367949724197) }, + { FRAC_CONST(0.913545429706573), FRAC_CONST(0.406736642122269) }, + { FRAC_CONST(0.891006529331207), FRAC_CONST(0.453990519046783) }, + { FRAC_CONST(0.866025388240814), FRAC_CONST(0.500000000000000) }, + { FRAC_CONST(0.838670551776886), FRAC_CONST(0.544639050960541) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.777145922183990), FRAC_CONST(0.629320383071899) }, + { FRAC_CONST(0.743144810199738), FRAC_CONST(0.669130623340607) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.669130563735962), FRAC_CONST(0.743144869804382) }, + { FRAC_CONST(0.629320383071899), FRAC_CONST(0.777145981788635) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.544638991355896), FRAC_CONST(0.838670611381531) }, + { FRAC_CONST(0.499999970197678), FRAC_CONST(0.866025447845459) }, + { FRAC_CONST(0.453990519046783), FRAC_CONST(0.891006529331207) }, + { FRAC_CONST(0.406736612319946), FRAC_CONST(0.913545489311218) }, + { FRAC_CONST(0.358367860317230), FRAC_CONST(0.933580458164215) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(0.258819073438644), FRAC_CONST(0.965925812721252) }, + { FRAC_CONST(0.207911655306816), FRAC_CONST(0.978147625923157) }, + { FRAC_CONST(0.156434372067451), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(0.104528419673443), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(0.052335973829031), FRAC_CONST(0.998629510402679) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.052336059510708), FRAC_CONST(0.998629510402679) }, + { FRAC_CONST(-0.104528509080410), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(-0.156434446573257), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(-0.207911744713783), FRAC_CONST(0.978147566318512) }, + { FRAC_CONST(-0.258819162845612), FRAC_CONST(0.965925812721252) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.358367949724197), FRAC_CONST(0.933580458164215) }, + { FRAC_CONST(-0.406736701726913), FRAC_CONST(0.913545429706573) }, + { FRAC_CONST(-0.453990608453751), FRAC_CONST(0.891006469726563) }, + { FRAC_CONST(-0.500000059604645), FRAC_CONST(0.866025388240814) }, + { FRAC_CONST(-0.544639050960541), FRAC_CONST(0.838670551776886) }, + { FRAC_CONST(-0.587785184383392), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(-0.629320502281189), FRAC_CONST(0.777145862579346) }, + { FRAC_CONST(-0.669130682945251), FRAC_CONST(0.743144810199738) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.743144929409027), FRAC_CONST(0.669130444526672) }, + { FRAC_CONST(-0.777146041393280), FRAC_CONST(0.629320263862610) }, + { FRAC_CONST(-0.809017062187195), FRAC_CONST(0.587785184383392) }, + { FRAC_CONST(-0.838670551776886), FRAC_CONST(0.544639050960541) }, + { FRAC_CONST(-0.866025388240814), FRAC_CONST(0.500000059604645) }, + { FRAC_CONST(-0.891006588935852), FRAC_CONST(0.453990370035172) }, + { FRAC_CONST(-0.913545489311218), FRAC_CONST(0.406736582517624) }, + { FRAC_CONST(-0.933580458164215), FRAC_CONST(0.358367919921875) }, + { FRAC_CONST(-0.951056599617004), FRAC_CONST(0.309016793966293) }, + { FRAC_CONST(-0.965925872325897), FRAC_CONST(0.258818924427032) }, + { FRAC_CONST(-0.978147625923157), FRAC_CONST(0.207911610603333) }, + { FRAC_CONST(-0.987688362598419), FRAC_CONST(0.156434446573257) }, + { FRAC_CONST(-0.994521915912628), FRAC_CONST(0.104528494179249) }, + { FRAC_CONST(-0.998629570007324), FRAC_CONST(0.052335809916258) }, + { FRAC_CONST(-1.000000000000000), FRAC_CONST(-0.000000087422777) }, + { FRAC_CONST(-0.998629510402679), FRAC_CONST(-0.052335985004902) }, + { FRAC_CONST(-0.994521856307983), FRAC_CONST(-0.104528672993183) }, + { FRAC_CONST(-0.987688302993774), FRAC_CONST(-0.156434610486031) }, + { FRAC_CONST(-0.978147566318512), FRAC_CONST(-0.207911789417267) }, + { FRAC_CONST(-0.965925812721252), FRAC_CONST(-0.258819073438644) }, + { FRAC_CONST(-0.951056540012360), FRAC_CONST(-0.309016972780228) }, + { FRAC_CONST(-0.933580398559570), FRAC_CONST(-0.358368098735809) }, + { FRAC_CONST(-0.913545429706573), FRAC_CONST(-0.406736731529236) }, + { FRAC_CONST(-0.891006529331207), FRAC_CONST(-0.453990548849106) }, + { FRAC_CONST(-0.866025269031525), FRAC_CONST(-0.500000178813934) }, + { FRAC_CONST(-0.838670492172241), FRAC_CONST(-0.544639170169830) }, + { FRAC_CONST(-0.809016942977905), FRAC_CONST(-0.587785363197327) }, + { FRAC_CONST(-0.777145922183990), FRAC_CONST(-0.629320442676544) }, + { FRAC_CONST(-0.743144810199738), FRAC_CONST(-0.669130623340607) }, + { FRAC_CONST(-0.707106649875641), FRAC_CONST(-0.707106888294220) }, + { FRAC_CONST(-0.669130504131317), FRAC_CONST(-0.743144869804382) }, + { FRAC_CONST(-0.629320323467255), FRAC_CONST(-0.777145981788635) }, + { FRAC_CONST(-0.587785065174103), FRAC_CONST(-0.809017121791840) }, + { FRAC_CONST(-0.544639110565186), FRAC_CONST(-0.838670551776886) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.996917307376862), FRAC_CONST(0.078459098935127) }, + { FRAC_CONST(0.987688362598419), FRAC_CONST(0.156434476375580) }, + { FRAC_CONST(0.972369909286499), FRAC_CONST(0.233445376157761) }, + { FRAC_CONST(0.951056540012360), FRAC_CONST(0.309017002582550) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.891006529331207), FRAC_CONST(0.453990519046783) }, + { FRAC_CONST(0.852640151977539), FRAC_CONST(0.522498548030853) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.760405957698822), FRAC_CONST(0.649448096752167) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.649448037147522), FRAC_CONST(0.760405957698822) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.522498488426209), FRAC_CONST(0.852640211582184) }, + { FRAC_CONST(0.453990519046783), FRAC_CONST(0.891006529331207) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(0.233445301651955), FRAC_CONST(0.972369909286499) }, + { FRAC_CONST(0.156434372067451), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(0.078459084033966), FRAC_CONST(0.996917307376862) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.987688362598419), FRAC_CONST(0.156434476375580) }, + { FRAC_CONST(0.951056540012360), FRAC_CONST(0.309017002582550) }, + { FRAC_CONST(0.891006529331207), FRAC_CONST(0.453990519046783) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.453990519046783), FRAC_CONST(0.891006529331207) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(0.156434372067451), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.156434446573257), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.453990608453751), FRAC_CONST(0.891006469726563) }, + { FRAC_CONST(-0.587785184383392), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.809017062187195), FRAC_CONST(0.587785184383392) }, + { FRAC_CONST(-0.891006588935852), FRAC_CONST(0.453990370035172) }, + { FRAC_CONST(-0.951056599617004), FRAC_CONST(0.309016793966293) }, + { FRAC_CONST(-0.987688362598419), FRAC_CONST(0.156434446573257) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.972369909286499), FRAC_CONST(0.233445376157761) }, + { FRAC_CONST(0.891006529331207), FRAC_CONST(0.453990519046783) }, + { FRAC_CONST(0.760405957698822), FRAC_CONST(0.649448096752167) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.156434372067451), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(-0.078459173440933), FRAC_CONST(0.996917307376862) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.522498667240143), FRAC_CONST(0.852640092372894) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.852640211582184), FRAC_CONST(0.522498488426209) }, + { FRAC_CONST(-0.951056599617004), FRAC_CONST(0.309016793966293) }, + { FRAC_CONST(-0.996917366981506), FRAC_CONST(0.078459039330482) }, + { FRAC_CONST(-0.987688302993774), FRAC_CONST(-0.156434610486031) }, + { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) }, + { FRAC_CONST(-0.809016942977905), FRAC_CONST(-0.587785363197327) }, + { FRAC_CONST(-0.649447917938232), FRAC_CONST(-0.760406076908112) }, + { FRAC_CONST(-0.453990221023560), FRAC_CONST(-0.891006648540497) }, + { FRAC_CONST(-0.233445450663567), FRAC_CONST(-0.972369909286499) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.951056540012360), FRAC_CONST(0.309017002582550) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.809017062187195), FRAC_CONST(0.587785184383392) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.951056599617004), FRAC_CONST(0.309016793966293) }, + { FRAC_CONST(-0.809016942977905), FRAC_CONST(-0.587785363197327) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.309017121791840), FRAC_CONST(-0.951056480407715) } + }; +#endif + + ALIGN static const complex_t cfft_tab_64[] = { + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.995184719562531), FRAC_CONST(0.098017141222954) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.881921231746674), FRAC_CONST(0.471396744251251) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.773010432720184), FRAC_CONST(0.634393334388733) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.471396654844284), FRAC_CONST(0.881921291351318) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.290284633636475), FRAC_CONST(0.956940352916718) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.382683515548706), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.555570363998413), FRAC_CONST(0.831469535827637) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.831469655036926), FRAC_CONST(0.555570185184479) }, + { FRAC_CONST(-0.923879623413086), FRAC_CONST(0.382683277130127) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.471396833658218), FRAC_CONST(0.881921231746674) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.881921231746674), FRAC_CONST(0.471396833658218) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(-0.995184719562531), FRAC_CONST(-0.098017267882824) }, + { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) }, + { FRAC_CONST(-0.773010551929474), FRAC_CONST(-0.634393215179443) }, + { FRAC_CONST(-0.555570006370544), FRAC_CONST(-0.831469774246216) }, + { FRAC_CONST(-0.290284544229507), FRAC_CONST(-0.956940352916718) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.000000011924881), FRAC_CONST(-1.000000000000000) } + }; + +#ifdef ALLOW_SMALL_FRAMELENGTH + ALIGN static const complex_t cfft_tab_60[] = { + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.994521915912628), FRAC_CONST(0.104528464376926) }, + { FRAC_CONST(0.978147625923157), FRAC_CONST(0.207911700010300) }, + { FRAC_CONST(0.951056540012360), FRAC_CONST(0.309017002582550) }, + { FRAC_CONST(0.913545429706573), FRAC_CONST(0.406736642122269) }, + { FRAC_CONST(0.866025388240814), FRAC_CONST(0.500000000000000) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.743144810199738), FRAC_CONST(0.669130623340607) }, + { FRAC_CONST(0.669130563735962), FRAC_CONST(0.743144869804382) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.499999970197678), FRAC_CONST(0.866025447845459) }, + { FRAC_CONST(0.406736612319946), FRAC_CONST(0.913545489311218) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(0.207911655306816), FRAC_CONST(0.978147625923157) }, + { FRAC_CONST(0.104528419673443), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.104528509080410), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(-0.207911744713783), FRAC_CONST(0.978147566318512) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.406736701726913), FRAC_CONST(0.913545429706573) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.978147625923157), FRAC_CONST(0.207911700010300) }, + { FRAC_CONST(0.913545429706573), FRAC_CONST(0.406736642122269) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.669130563735962), FRAC_CONST(0.743144869804382) }, + { FRAC_CONST(0.499999970197678), FRAC_CONST(0.866025447845459) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(0.104528419673443), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(-0.104528509080410), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.500000059604645), FRAC_CONST(0.866025388240814) }, + { FRAC_CONST(-0.669130682945251), FRAC_CONST(0.743144810199738) }, + { FRAC_CONST(-0.809017062187195), FRAC_CONST(0.587785184383392) }, + { FRAC_CONST(-0.913545489311218), FRAC_CONST(0.406736582517624) }, + { FRAC_CONST(-0.978147625923157), FRAC_CONST(0.207911610603333) }, + { FRAC_CONST(-1.000000000000000), FRAC_CONST(-0.000000087422777) }, + { FRAC_CONST(-0.978147566318512), FRAC_CONST(-0.207911789417267) }, + { FRAC_CONST(-0.913545429706573), FRAC_CONST(-0.406736731529236) }, + { FRAC_CONST(-0.809016942977905), FRAC_CONST(-0.587785363197327) }, + { FRAC_CONST(-0.669130504131317), FRAC_CONST(-0.743144869804382) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.951056540012360), FRAC_CONST(0.309017002582550) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.809017062187195), FRAC_CONST(0.587785184383392) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.951056599617004), FRAC_CONST(0.309016793966293) }, + { FRAC_CONST(-0.809016942977905), FRAC_CONST(-0.587785363197327) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.309017121791840), FRAC_CONST(-0.951056480407715) } + }; +#endif + +#ifdef LD_DEC + + ALIGN static const complex_t cfft_tab_256[] = { + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.999698817729950), FRAC_CONST(0.024541229009628) }, + { FRAC_CONST(0.998795449733734), FRAC_CONST(0.049067676067352) }, + { FRAC_CONST(0.997290432453156), FRAC_CONST(0.073564566671848) }, + { FRAC_CONST(0.995184719562531), FRAC_CONST(0.098017141222954) }, + { FRAC_CONST(0.992479562759399), FRAC_CONST(0.122410677373409) }, + { FRAC_CONST(0.989176511764526), FRAC_CONST(0.146730467677116) }, + { FRAC_CONST(0.985277652740479), FRAC_CONST(0.170961901545525) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.975702106952667), FRAC_CONST(0.219101235270500) }, + { FRAC_CONST(0.970031261444092), FRAC_CONST(0.242980197072029) }, + { FRAC_CONST(0.963776051998138), FRAC_CONST(0.266712784767151) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.949528157711029), FRAC_CONST(0.313681751489639) }, + { FRAC_CONST(0.941544055938721), FRAC_CONST(0.336889863014221) }, + { FRAC_CONST(0.932992815971375), FRAC_CONST(0.359895050525665) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.914209723472595), FRAC_CONST(0.405241340398788) }, + { FRAC_CONST(0.903989315032959), FRAC_CONST(0.427555084228516) }, + { FRAC_CONST(0.893224298954010), FRAC_CONST(0.449611335992813) }, + { FRAC_CONST(0.881921231746674), FRAC_CONST(0.471396744251251) }, + { FRAC_CONST(0.870086967945099), FRAC_CONST(0.492898225784302) }, + { FRAC_CONST(0.857728600502014), FRAC_CONST(0.514102756977081) }, + { FRAC_CONST(0.844853579998016), FRAC_CONST(0.534997642040253) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.817584812641144), FRAC_CONST(0.575808227062225) }, + { FRAC_CONST(0.803207516670227), FRAC_CONST(0.595699310302734) }, + { FRAC_CONST(0.788346409797668), FRAC_CONST(0.615231633186340) }, + { FRAC_CONST(0.773010432720184), FRAC_CONST(0.634393334388733) }, + { FRAC_CONST(0.757208824157715), FRAC_CONST(0.653172850608826) }, + { FRAC_CONST(0.740951120853424), FRAC_CONST(0.671558976173401) }, + { FRAC_CONST(0.724247097969055), FRAC_CONST(0.689540565013886) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.689540505409241), FRAC_CONST(0.724247097969055) }, + { FRAC_CONST(0.671558916568756), FRAC_CONST(0.740951180458069) }, + { FRAC_CONST(0.653172791004181), FRAC_CONST(0.757208883762360) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.615231573581696), FRAC_CONST(0.788346409797668) }, + { FRAC_CONST(0.595699310302734), FRAC_CONST(0.803207516670227) }, + { FRAC_CONST(0.575808167457581), FRAC_CONST(0.817584812641144) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.534997642040253), FRAC_CONST(0.844853579998016) }, + { FRAC_CONST(0.514102697372437), FRAC_CONST(0.857728660106659) }, + { FRAC_CONST(0.492898195981979), FRAC_CONST(0.870086967945099) }, + { FRAC_CONST(0.471396654844284), FRAC_CONST(0.881921291351318) }, + { FRAC_CONST(0.449611306190491), FRAC_CONST(0.893224298954010) }, + { FRAC_CONST(0.427555114030838), FRAC_CONST(0.903989315032959) }, + { FRAC_CONST(0.405241280794144), FRAC_CONST(0.914209783077240) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.359894961118698), FRAC_CONST(0.932992815971375) }, + { FRAC_CONST(0.336889833211899), FRAC_CONST(0.941544055938721) }, + { FRAC_CONST(0.313681662082672), FRAC_CONST(0.949528217315674) }, + { FRAC_CONST(0.290284633636475), FRAC_CONST(0.956940352916718) }, + { FRAC_CONST(0.266712754964828), FRAC_CONST(0.963776051998138) }, + { FRAC_CONST(0.242980122566223), FRAC_CONST(0.970031261444092) }, + { FRAC_CONST(0.219101220369339), FRAC_CONST(0.975702106952667) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(0.170961856842041), FRAC_CONST(0.985277652740479) }, + { FRAC_CONST(0.146730497479439), FRAC_CONST(0.989176511764526) }, + { FRAC_CONST(0.122410625219345), FRAC_CONST(0.992479562759399) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(0.073564492166042), FRAC_CONST(0.997290432453156) }, + { FRAC_CONST(0.049067649990320), FRAC_CONST(0.998795449733734) }, + { FRAC_CONST(0.024541135877371), FRAC_CONST(0.999698817729950) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.998795449733734), FRAC_CONST(0.049067676067352) }, + { FRAC_CONST(0.995184719562531), FRAC_CONST(0.098017141222954) }, + { FRAC_CONST(0.989176511764526), FRAC_CONST(0.146730467677116) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.970031261444092), FRAC_CONST(0.242980197072029) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.941544055938721), FRAC_CONST(0.336889863014221) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.903989315032959), FRAC_CONST(0.427555084228516) }, + { FRAC_CONST(0.881921231746674), FRAC_CONST(0.471396744251251) }, + { FRAC_CONST(0.857728600502014), FRAC_CONST(0.514102756977081) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.803207516670227), FRAC_CONST(0.595699310302734) }, + { FRAC_CONST(0.773010432720184), FRAC_CONST(0.634393334388733) }, + { FRAC_CONST(0.740951120853424), FRAC_CONST(0.671558976173401) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.671558916568756), FRAC_CONST(0.740951180458069) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.595699310302734), FRAC_CONST(0.803207516670227) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.514102697372437), FRAC_CONST(0.857728660106659) }, + { FRAC_CONST(0.471396654844284), FRAC_CONST(0.881921291351318) }, + { FRAC_CONST(0.427555114030838), FRAC_CONST(0.903989315032959) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.336889833211899), FRAC_CONST(0.941544055938721) }, + { FRAC_CONST(0.290284633636475), FRAC_CONST(0.956940352916718) }, + { FRAC_CONST(0.242980122566223), FRAC_CONST(0.970031261444092) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(0.146730497479439), FRAC_CONST(0.989176511764526) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(0.049067649990320), FRAC_CONST(0.998795449733734) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.049067739397287), FRAC_CONST(0.998795449733734) }, + { FRAC_CONST(-0.098017223179340), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(-0.146730571985245), FRAC_CONST(0.989176511764526) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.242980197072029), FRAC_CONST(0.970031261444092) }, + { FRAC_CONST(-0.290284723043442), FRAC_CONST(0.956940293312073) }, + { FRAC_CONST(-0.336889922618866), FRAC_CONST(0.941544055938721) }, + { FRAC_CONST(-0.382683515548706), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.427555084228516), FRAC_CONST(0.903989315032959) }, + { FRAC_CONST(-0.471396833658218), FRAC_CONST(0.881921231746674) }, + { FRAC_CONST(-0.514102756977081), FRAC_CONST(0.857728600502014) }, + { FRAC_CONST(-0.555570363998413), FRAC_CONST(0.831469535827637) }, + { FRAC_CONST(-0.595699369907379), FRAC_CONST(0.803207516670227) }, + { FRAC_CONST(-0.634393274784088), FRAC_CONST(0.773010492324829) }, + { FRAC_CONST(-0.671559035778046), FRAC_CONST(0.740951061248779) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.740951240062714), FRAC_CONST(0.671558856964111) }, + { FRAC_CONST(-0.773010492324829), FRAC_CONST(0.634393274784088) }, + { FRAC_CONST(-0.803207635879517), FRAC_CONST(0.595699131488800) }, + { FRAC_CONST(-0.831469655036926), FRAC_CONST(0.555570185184479) }, + { FRAC_CONST(-0.857728600502014), FRAC_CONST(0.514102756977081) }, + { FRAC_CONST(-0.881921350955963), FRAC_CONST(0.471396625041962) }, + { FRAC_CONST(-0.903989315032959), FRAC_CONST(0.427555054426193) }, + { FRAC_CONST(-0.923879623413086), FRAC_CONST(0.382683277130127) }, + { FRAC_CONST(-0.941544115543365), FRAC_CONST(0.336889803409576) }, + { FRAC_CONST(-0.956940352916718), FRAC_CONST(0.290284723043442) }, + { FRAC_CONST(-0.970031261444092), FRAC_CONST(0.242980077862740) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(-0.989176511764526), FRAC_CONST(0.146730333566666) }, + { FRAC_CONST(-0.995184719562531), FRAC_CONST(0.098017096519470) }, + { FRAC_CONST(-0.998795449733734), FRAC_CONST(0.049067486077547) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.997290432453156), FRAC_CONST(0.073564566671848) }, + { FRAC_CONST(0.989176511764526), FRAC_CONST(0.146730467677116) }, + { FRAC_CONST(0.975702106952667), FRAC_CONST(0.219101235270500) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.932992815971375), FRAC_CONST(0.359895050525665) }, + { FRAC_CONST(0.903989315032959), FRAC_CONST(0.427555084228516) }, + { FRAC_CONST(0.870086967945099), FRAC_CONST(0.492898225784302) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.788346469402313), FRAC_CONST(0.615231573581696) }, + { FRAC_CONST(0.740951120853424), FRAC_CONST(0.671558976173401) }, + { FRAC_CONST(0.689540505409241), FRAC_CONST(0.724247097969055) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.575808227062225), FRAC_CONST(0.817584812641144) }, + { FRAC_CONST(0.514102697372437), FRAC_CONST(0.857728660106659) }, + { FRAC_CONST(0.449611306190491), FRAC_CONST(0.893224298954010) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.313681751489639), FRAC_CONST(0.949528157711029) }, + { FRAC_CONST(0.242980241775513), FRAC_CONST(0.970031261444092) }, + { FRAC_CONST(0.170961856842041), FRAC_CONST(0.985277652740479) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(0.024541255086660), FRAC_CONST(0.999698817729950) }, + { FRAC_CONST(-0.049067739397287), FRAC_CONST(0.998795449733734) }, + { FRAC_CONST(-0.122410707175732), FRAC_CONST(0.992479503154755) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.266712725162506), FRAC_CONST(0.963776051998138) }, + { FRAC_CONST(-0.336889803409576), FRAC_CONST(0.941544055938721) }, + { FRAC_CONST(-0.405241340398788), FRAC_CONST(0.914209723472595) }, + { FRAC_CONST(-0.471396833658218), FRAC_CONST(0.881921231746674) }, + { FRAC_CONST(-0.534997701644897), FRAC_CONST(0.844853520393372) }, + { FRAC_CONST(-0.595699369907379), FRAC_CONST(0.803207516670227) }, + { FRAC_CONST(-0.653172850608826), FRAC_CONST(0.757208824157715) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.757208824157715), FRAC_CONST(0.653172850608826) }, + { FRAC_CONST(-0.803207516670227), FRAC_CONST(0.595699369907379) }, + { FRAC_CONST(-0.844853520393372), FRAC_CONST(0.534997701644897) }, + { FRAC_CONST(-0.881921231746674), FRAC_CONST(0.471396833658218) }, + { FRAC_CONST(-0.914209783077240), FRAC_CONST(0.405241221189499) }, + { FRAC_CONST(-0.941544115543365), FRAC_CONST(0.336889803409576) }, + { FRAC_CONST(-0.963776051998138), FRAC_CONST(0.266712725162506) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(-0.992479503154755), FRAC_CONST(0.122410699725151) }, + { FRAC_CONST(-0.998795449733734), FRAC_CONST(0.049067724496126) }, + { FRAC_CONST(-0.999698817729950), FRAC_CONST(-0.024541147053242) }, + { FRAC_CONST(-0.995184719562531), FRAC_CONST(-0.098017267882824) }, + { FRAC_CONST(-0.985277652740479), FRAC_CONST(-0.170961990952492) }, + { FRAC_CONST(-0.970031261444092), FRAC_CONST(-0.242980241775513) }, + { FRAC_CONST(-0.949528157711029), FRAC_CONST(-0.313681781291962) }, + { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) }, + { FRAC_CONST(-0.893224298954010), FRAC_CONST(-0.449611306190491) }, + { FRAC_CONST(-0.857728660106659), FRAC_CONST(-0.514102697372437) }, + { FRAC_CONST(-0.817584872245789), FRAC_CONST(-0.575808107852936) }, + { FRAC_CONST(-0.773010551929474), FRAC_CONST(-0.634393215179443) }, + { FRAC_CONST(-0.724247038364410), FRAC_CONST(-0.689540624618530) }, + { FRAC_CONST(-0.671558916568756), FRAC_CONST(-0.740951180458069) }, + { FRAC_CONST(-0.615231573581696), FRAC_CONST(-0.788346469402313) }, + { FRAC_CONST(-0.555570006370544), FRAC_CONST(-0.831469774246216) }, + { FRAC_CONST(-0.492898195981979), FRAC_CONST(-0.870086967945099) }, + { FRAC_CONST(-0.427554935216904), FRAC_CONST(-0.903989374637604) }, + { FRAC_CONST(-0.359895110130310), FRAC_CONST(-0.932992756366730) }, + { FRAC_CONST(-0.290284544229507), FRAC_CONST(-0.956940352916718) }, + { FRAC_CONST(-0.219101369380951), FRAC_CONST(-0.975702106952667) }, + { FRAC_CONST(-0.146730408072472), FRAC_CONST(-0.989176511764526) }, + { FRAC_CONST(-0.073564760386944), FRAC_CONST(-0.997290432453156) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.995184719562531), FRAC_CONST(0.098017141222954) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.881921231746674), FRAC_CONST(0.471396744251251) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.773010432720184), FRAC_CONST(0.634393334388733) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.471396654844284), FRAC_CONST(0.881921291351318) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.290284633636475), FRAC_CONST(0.956940352916718) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.382683515548706), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.555570363998413), FRAC_CONST(0.831469535827637) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.831469655036926), FRAC_CONST(0.555570185184479) }, + { FRAC_CONST(-0.923879623413086), FRAC_CONST(0.382683277130127) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.471396833658218), FRAC_CONST(0.881921231746674) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.881921231746674), FRAC_CONST(0.471396833658218) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(-0.995184719562531), FRAC_CONST(-0.098017267882824) }, + { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) }, + { FRAC_CONST(-0.773010551929474), FRAC_CONST(-0.634393215179443) }, + { FRAC_CONST(-0.555570006370544), FRAC_CONST(-0.831469774246216) }, + { FRAC_CONST(-0.290284544229507), FRAC_CONST(-0.956940352916718) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.000000011924881), FRAC_CONST(-1.000000000000000) } + }; + +#ifdef ALLOW_SMALL_FRAMELENGTH + ALIGN static const complex_t cfft_tab_240[] = { + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.999657332897186), FRAC_CONST(0.026176949962974) }, + { FRAC_CONST(0.998629510402679), FRAC_CONST(0.052335958927870) }, + { FRAC_CONST(0.996917307376862), FRAC_CONST(0.078459098935127) }, + { FRAC_CONST(0.994521915912628), FRAC_CONST(0.104528464376926) }, + { FRAC_CONST(0.991444885730743), FRAC_CONST(0.130526199936867) }, + { FRAC_CONST(0.987688362598419), FRAC_CONST(0.156434476375580) }, + { FRAC_CONST(0.983254909515381), FRAC_CONST(0.182235524058342) }, + { FRAC_CONST(0.978147625923157), FRAC_CONST(0.207911700010300) }, + { FRAC_CONST(0.972369909286499), FRAC_CONST(0.233445376157761) }, + { FRAC_CONST(0.965925812721252), FRAC_CONST(0.258819043636322) }, + { FRAC_CONST(0.958819746971130), FRAC_CONST(0.284015357494354) }, + { FRAC_CONST(0.951056540012360), FRAC_CONST(0.309017002582550) }, + { FRAC_CONST(0.942641496658325), FRAC_CONST(0.333806872367859) }, + { FRAC_CONST(0.933580398559570), FRAC_CONST(0.358367949724197) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.913545429706573), FRAC_CONST(0.406736642122269) }, + { FRAC_CONST(0.902585268020630), FRAC_CONST(0.430511116981506) }, + { FRAC_CONST(0.891006529331207), FRAC_CONST(0.453990519046783) }, + { FRAC_CONST(0.878817081451416), FRAC_CONST(0.477158784866333) }, + { FRAC_CONST(0.866025388240814), FRAC_CONST(0.500000000000000) }, + { FRAC_CONST(0.852640151977539), FRAC_CONST(0.522498548030853) }, + { FRAC_CONST(0.838670551776886), FRAC_CONST(0.544639050960541) }, + { FRAC_CONST(0.824126183986664), FRAC_CONST(0.566406250000000) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.793353319168091), FRAC_CONST(0.608761429786682) }, + { FRAC_CONST(0.777145922183990), FRAC_CONST(0.629320383071899) }, + { FRAC_CONST(0.760405957698822), FRAC_CONST(0.649448096752167) }, + { FRAC_CONST(0.743144810199738), FRAC_CONST(0.669130623340607) }, + { FRAC_CONST(0.725374400615692), FRAC_CONST(0.688354551792145) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.688354551792145), FRAC_CONST(0.725374400615692) }, + { FRAC_CONST(0.669130563735962), FRAC_CONST(0.743144869804382) }, + { FRAC_CONST(0.649448037147522), FRAC_CONST(0.760405957698822) }, + { FRAC_CONST(0.629320383071899), FRAC_CONST(0.777145981788635) }, + { FRAC_CONST(0.608761370182037), FRAC_CONST(0.793353378772736) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.566406250000000), FRAC_CONST(0.824126183986664) }, + { FRAC_CONST(0.544638991355896), FRAC_CONST(0.838670611381531) }, + { FRAC_CONST(0.522498488426209), FRAC_CONST(0.852640211582184) }, + { FRAC_CONST(0.499999970197678), FRAC_CONST(0.866025447845459) }, + { FRAC_CONST(0.477158755064011), FRAC_CONST(0.878817141056061) }, + { FRAC_CONST(0.453990519046783), FRAC_CONST(0.891006529331207) }, + { FRAC_CONST(0.430511027574539), FRAC_CONST(0.902585327625275) }, + { FRAC_CONST(0.406736612319946), FRAC_CONST(0.913545489311218) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.358367860317230), FRAC_CONST(0.933580458164215) }, + { FRAC_CONST(0.333806812763214), FRAC_CONST(0.942641496658325) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(0.284015327692032), FRAC_CONST(0.958819746971130) }, + { FRAC_CONST(0.258819073438644), FRAC_CONST(0.965925812721252) }, + { FRAC_CONST(0.233445301651955), FRAC_CONST(0.972369909286499) }, + { FRAC_CONST(0.207911655306816), FRAC_CONST(0.978147625923157) }, + { FRAC_CONST(0.182235524058342), FRAC_CONST(0.983254909515381) }, + { FRAC_CONST(0.156434372067451), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(0.130526125431061), FRAC_CONST(0.991444885730743) }, + { FRAC_CONST(0.104528419673443), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(0.078459084033966), FRAC_CONST(0.996917307376862) }, + { FRAC_CONST(0.052335973829031), FRAC_CONST(0.998629510402679) }, + { FRAC_CONST(0.026176875457168), FRAC_CONST(0.999657332897186) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.026176963001490), FRAC_CONST(0.999657332897186) }, + { FRAC_CONST(-0.052336059510708), FRAC_CONST(0.998629510402679) }, + { FRAC_CONST(-0.078459173440933), FRAC_CONST(0.996917307376862) }, + { FRAC_CONST(-0.104528509080410), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(-0.130526214838028), FRAC_CONST(0.991444885730743) }, + { FRAC_CONST(-0.156434446573257), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(-0.182235598564148), FRAC_CONST(0.983254909515381) }, + { FRAC_CONST(-0.207911744713783), FRAC_CONST(0.978147566318512) }, + { FRAC_CONST(-0.233445391058922), FRAC_CONST(0.972369909286499) }, + { FRAC_CONST(-0.258819162845612), FRAC_CONST(0.965925812721252) }, + { FRAC_CONST(-0.284015417098999), FRAC_CONST(0.958819687366486) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.333806872367859), FRAC_CONST(0.942641496658325) }, + { FRAC_CONST(-0.358367949724197), FRAC_CONST(0.933580458164215) }, + { FRAC_CONST(-0.382683515548706), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.406736701726913), FRAC_CONST(0.913545429706573) }, + { FRAC_CONST(-0.430511116981506), FRAC_CONST(0.902585268020630) }, + { FRAC_CONST(-0.453990608453751), FRAC_CONST(0.891006469726563) }, + { FRAC_CONST(-0.477158725261688), FRAC_CONST(0.878817141056061) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.998629510402679), FRAC_CONST(0.052335958927870) }, + { FRAC_CONST(0.994521915912628), FRAC_CONST(0.104528464376926) }, + { FRAC_CONST(0.987688362598419), FRAC_CONST(0.156434476375580) }, + { FRAC_CONST(0.978147625923157), FRAC_CONST(0.207911700010300) }, + { FRAC_CONST(0.965925812721252), FRAC_CONST(0.258819043636322) }, + { FRAC_CONST(0.951056540012360), FRAC_CONST(0.309017002582550) }, + { FRAC_CONST(0.933580398559570), FRAC_CONST(0.358367949724197) }, + { FRAC_CONST(0.913545429706573), FRAC_CONST(0.406736642122269) }, + { FRAC_CONST(0.891006529331207), FRAC_CONST(0.453990519046783) }, + { FRAC_CONST(0.866025388240814), FRAC_CONST(0.500000000000000) }, + { FRAC_CONST(0.838670551776886), FRAC_CONST(0.544639050960541) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.777145922183990), FRAC_CONST(0.629320383071899) }, + { FRAC_CONST(0.743144810199738), FRAC_CONST(0.669130623340607) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.669130563735962), FRAC_CONST(0.743144869804382) }, + { FRAC_CONST(0.629320383071899), FRAC_CONST(0.777145981788635) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.544638991355896), FRAC_CONST(0.838670611381531) }, + { FRAC_CONST(0.499999970197678), FRAC_CONST(0.866025447845459) }, + { FRAC_CONST(0.453990519046783), FRAC_CONST(0.891006529331207) }, + { FRAC_CONST(0.406736612319946), FRAC_CONST(0.913545489311218) }, + { FRAC_CONST(0.358367860317230), FRAC_CONST(0.933580458164215) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(0.258819073438644), FRAC_CONST(0.965925812721252) }, + { FRAC_CONST(0.207911655306816), FRAC_CONST(0.978147625923157) }, + { FRAC_CONST(0.156434372067451), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(0.104528419673443), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(0.052335973829031), FRAC_CONST(0.998629510402679) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.052336059510708), FRAC_CONST(0.998629510402679) }, + { FRAC_CONST(-0.104528509080410), FRAC_CONST(0.994521915912628) }, + { FRAC_CONST(-0.156434446573257), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(-0.207911744713783), FRAC_CONST(0.978147566318512) }, + { FRAC_CONST(-0.258819162845612), FRAC_CONST(0.965925812721252) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.358367949724197), FRAC_CONST(0.933580458164215) }, + { FRAC_CONST(-0.406736701726913), FRAC_CONST(0.913545429706573) }, + { FRAC_CONST(-0.453990608453751), FRAC_CONST(0.891006469726563) }, + { FRAC_CONST(-0.500000059604645), FRAC_CONST(0.866025388240814) }, + { FRAC_CONST(-0.544639050960541), FRAC_CONST(0.838670551776886) }, + { FRAC_CONST(-0.587785184383392), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(-0.629320502281189), FRAC_CONST(0.777145862579346) }, + { FRAC_CONST(-0.669130682945251), FRAC_CONST(0.743144810199738) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.743144929409027), FRAC_CONST(0.669130444526672) }, + { FRAC_CONST(-0.777146041393280), FRAC_CONST(0.629320263862610) }, + { FRAC_CONST(-0.809017062187195), FRAC_CONST(0.587785184383392) }, + { FRAC_CONST(-0.838670551776886), FRAC_CONST(0.544639050960541) }, + { FRAC_CONST(-0.866025388240814), FRAC_CONST(0.500000059604645) }, + { FRAC_CONST(-0.891006588935852), FRAC_CONST(0.453990370035172) }, + { FRAC_CONST(-0.913545489311218), FRAC_CONST(0.406736582517624) }, + { FRAC_CONST(-0.933580458164215), FRAC_CONST(0.358367919921875) }, + { FRAC_CONST(-0.951056599617004), FRAC_CONST(0.309016793966293) }, + { FRAC_CONST(-0.965925872325897), FRAC_CONST(0.258818924427032) }, + { FRAC_CONST(-0.978147625923157), FRAC_CONST(0.207911610603333) }, + { FRAC_CONST(-0.987688362598419), FRAC_CONST(0.156434446573257) }, + { FRAC_CONST(-0.994521915912628), FRAC_CONST(0.104528494179249) }, + { FRAC_CONST(-0.998629570007324), FRAC_CONST(0.052335809916258) }, + { FRAC_CONST(-1.000000000000000), FRAC_CONST(-0.000000087422777) }, + { FRAC_CONST(-0.998629510402679), FRAC_CONST(-0.052335985004902) }, + { FRAC_CONST(-0.994521856307983), FRAC_CONST(-0.104528672993183) }, + { FRAC_CONST(-0.987688302993774), FRAC_CONST(-0.156434610486031) }, + { FRAC_CONST(-0.978147566318512), FRAC_CONST(-0.207911789417267) }, + { FRAC_CONST(-0.965925812721252), FRAC_CONST(-0.258819073438644) }, + { FRAC_CONST(-0.951056540012360), FRAC_CONST(-0.309016972780228) }, + { FRAC_CONST(-0.933580398559570), FRAC_CONST(-0.358368098735809) }, + { FRAC_CONST(-0.913545429706573), FRAC_CONST(-0.406736731529236) }, + { FRAC_CONST(-0.891006529331207), FRAC_CONST(-0.453990548849106) }, + { FRAC_CONST(-0.866025269031525), FRAC_CONST(-0.500000178813934) }, + { FRAC_CONST(-0.838670492172241), FRAC_CONST(-0.544639170169830) }, + { FRAC_CONST(-0.809016942977905), FRAC_CONST(-0.587785363197327) }, + { FRAC_CONST(-0.777145922183990), FRAC_CONST(-0.629320442676544) }, + { FRAC_CONST(-0.743144810199738), FRAC_CONST(-0.669130623340607) }, + { FRAC_CONST(-0.707106649875641), FRAC_CONST(-0.707106888294220) }, + { FRAC_CONST(-0.669130504131317), FRAC_CONST(-0.743144869804382) }, + { FRAC_CONST(-0.629320323467255), FRAC_CONST(-0.777145981788635) }, + { FRAC_CONST(-0.587785065174103), FRAC_CONST(-0.809017121791840) }, + { FRAC_CONST(-0.544639110565186), FRAC_CONST(-0.838670551776886) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.996917307376862), FRAC_CONST(0.078459098935127) }, + { FRAC_CONST(0.987688362598419), FRAC_CONST(0.156434476375580) }, + { FRAC_CONST(0.972369909286499), FRAC_CONST(0.233445376157761) }, + { FRAC_CONST(0.951056540012360), FRAC_CONST(0.309017002582550) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.891006529331207), FRAC_CONST(0.453990519046783) }, + { FRAC_CONST(0.852640151977539), FRAC_CONST(0.522498548030853) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.760405957698822), FRAC_CONST(0.649448096752167) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.649448037147522), FRAC_CONST(0.760405957698822) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.522498488426209), FRAC_CONST(0.852640211582184) }, + { FRAC_CONST(0.453990519046783), FRAC_CONST(0.891006529331207) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(0.233445301651955), FRAC_CONST(0.972369909286499) }, + { FRAC_CONST(0.156434372067451), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(0.078459084033966), FRAC_CONST(0.996917307376862) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.987688362598419), FRAC_CONST(0.156434476375580) }, + { FRAC_CONST(0.951056540012360), FRAC_CONST(0.309017002582550) }, + { FRAC_CONST(0.891006529331207), FRAC_CONST(0.453990519046783) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.453990519046783), FRAC_CONST(0.891006529331207) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(0.156434372067451), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.156434446573257), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.453990608453751), FRAC_CONST(0.891006469726563) }, + { FRAC_CONST(-0.587785184383392), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.809017062187195), FRAC_CONST(0.587785184383392) }, + { FRAC_CONST(-0.891006588935852), FRAC_CONST(0.453990370035172) }, + { FRAC_CONST(-0.951056599617004), FRAC_CONST(0.309016793966293) }, + { FRAC_CONST(-0.987688362598419), FRAC_CONST(0.156434446573257) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.972369909286499), FRAC_CONST(0.233445376157761) }, + { FRAC_CONST(0.891006529331207), FRAC_CONST(0.453990519046783) }, + { FRAC_CONST(0.760405957698822), FRAC_CONST(0.649448096752167) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.156434372067451), FRAC_CONST(0.987688362598419) }, + { FRAC_CONST(-0.078459173440933), FRAC_CONST(0.996917307376862) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.522498667240143), FRAC_CONST(0.852640092372894) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.852640211582184), FRAC_CONST(0.522498488426209) }, + { FRAC_CONST(-0.951056599617004), FRAC_CONST(0.309016793966293) }, + { FRAC_CONST(-0.996917366981506), FRAC_CONST(0.078459039330482) }, + { FRAC_CONST(-0.987688302993774), FRAC_CONST(-0.156434610486031) }, + { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) }, + { FRAC_CONST(-0.809016942977905), FRAC_CONST(-0.587785363197327) }, + { FRAC_CONST(-0.649447917938232), FRAC_CONST(-0.760406076908112) }, + { FRAC_CONST(-0.453990221023560), FRAC_CONST(-0.891006648540497) }, + { FRAC_CONST(-0.233445450663567), FRAC_CONST(-0.972369909286499) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.951056540012360), FRAC_CONST(0.309017002582550) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.809017002582550), FRAC_CONST(0.587785243988037) }, + { FRAC_CONST(0.309016972780228), FRAC_CONST(0.951056540012360) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.809017062187195), FRAC_CONST(0.587785184383392) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.587785243988037), FRAC_CONST(0.809017002582550) }, + { FRAC_CONST(-0.309017032384872), FRAC_CONST(0.951056480407715) }, + { FRAC_CONST(-0.951056599617004), FRAC_CONST(0.309016793966293) }, + { FRAC_CONST(-0.809016942977905), FRAC_CONST(-0.587785363197327) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.309017121791840), FRAC_CONST(-0.951056480407715) } + }; +#endif + +#endif + + ALIGN static const complex_t cfft_tab_128[] = { + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.998795449733734), FRAC_CONST(0.049067676067352) }, + { FRAC_CONST(0.995184719562531), FRAC_CONST(0.098017141222954) }, + { FRAC_CONST(0.989176511764526), FRAC_CONST(0.146730467677116) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.970031261444092), FRAC_CONST(0.242980197072029) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.941544055938721), FRAC_CONST(0.336889863014221) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.903989315032959), FRAC_CONST(0.427555084228516) }, + { FRAC_CONST(0.881921231746674), FRAC_CONST(0.471396744251251) }, + { FRAC_CONST(0.857728600502014), FRAC_CONST(0.514102756977081) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.803207516670227), FRAC_CONST(0.595699310302734) }, + { FRAC_CONST(0.773010432720184), FRAC_CONST(0.634393334388733) }, + { FRAC_CONST(0.740951120853424), FRAC_CONST(0.671558976173401) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.671558916568756), FRAC_CONST(0.740951180458069) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.595699310302734), FRAC_CONST(0.803207516670227) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.514102697372437), FRAC_CONST(0.857728660106659) }, + { FRAC_CONST(0.471396654844284), FRAC_CONST(0.881921291351318) }, + { FRAC_CONST(0.427555114030838), FRAC_CONST(0.903989315032959) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.336889833211899), FRAC_CONST(0.941544055938721) }, + { FRAC_CONST(0.290284633636475), FRAC_CONST(0.956940352916718) }, + { FRAC_CONST(0.242980122566223), FRAC_CONST(0.970031261444092) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(0.146730497479439), FRAC_CONST(0.989176511764526) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(0.049067649990320), FRAC_CONST(0.998795449733734) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.049067739397287), FRAC_CONST(0.998795449733734) }, + { FRAC_CONST(-0.098017223179340), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(-0.146730571985245), FRAC_CONST(0.989176511764526) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.242980197072029), FRAC_CONST(0.970031261444092) }, + { FRAC_CONST(-0.290284723043442), FRAC_CONST(0.956940293312073) }, + { FRAC_CONST(-0.336889922618866), FRAC_CONST(0.941544055938721) }, + { FRAC_CONST(-0.382683515548706), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.427555084228516), FRAC_CONST(0.903989315032959) }, + { FRAC_CONST(-0.471396833658218), FRAC_CONST(0.881921231746674) }, + { FRAC_CONST(-0.514102756977081), FRAC_CONST(0.857728600502014) }, + { FRAC_CONST(-0.555570363998413), FRAC_CONST(0.831469535827637) }, + { FRAC_CONST(-0.595699369907379), FRAC_CONST(0.803207516670227) }, + { FRAC_CONST(-0.634393274784088), FRAC_CONST(0.773010492324829) }, + { FRAC_CONST(-0.671559035778046), FRAC_CONST(0.740951061248779) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.740951240062714), FRAC_CONST(0.671558856964111) }, + { FRAC_CONST(-0.773010492324829), FRAC_CONST(0.634393274784088) }, + { FRAC_CONST(-0.803207635879517), FRAC_CONST(0.595699131488800) }, + { FRAC_CONST(-0.831469655036926), FRAC_CONST(0.555570185184479) }, + { FRAC_CONST(-0.857728600502014), FRAC_CONST(0.514102756977081) }, + { FRAC_CONST(-0.881921350955963), FRAC_CONST(0.471396625041962) }, + { FRAC_CONST(-0.903989315032959), FRAC_CONST(0.427555054426193) }, + { FRAC_CONST(-0.923879623413086), FRAC_CONST(0.382683277130127) }, + { FRAC_CONST(-0.941544115543365), FRAC_CONST(0.336889803409576) }, + { FRAC_CONST(-0.956940352916718), FRAC_CONST(0.290284723043442) }, + { FRAC_CONST(-0.970031261444092), FRAC_CONST(0.242980077862740) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(-0.989176511764526), FRAC_CONST(0.146730333566666) }, + { FRAC_CONST(-0.995184719562531), FRAC_CONST(0.098017096519470) }, + { FRAC_CONST(-0.998795449733734), FRAC_CONST(0.049067486077547) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.995184719562531), FRAC_CONST(0.098017141222954) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.881921231746674), FRAC_CONST(0.471396744251251) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.773010432720184), FRAC_CONST(0.634393334388733) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.471396654844284), FRAC_CONST(0.881921291351318) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.290284633636475), FRAC_CONST(0.956940352916718) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.382683515548706), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.555570363998413), FRAC_CONST(0.831469535827637) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.831469655036926), FRAC_CONST(0.555570185184479) }, + { FRAC_CONST(-0.923879623413086), FRAC_CONST(0.382683277130127) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) }, + { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) }, + { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) }, + { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) }, + { FRAC_CONST(-0.471396833658218), FRAC_CONST(0.881921231746674) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.881921231746674), FRAC_CONST(0.471396833658218) }, + { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) }, + { FRAC_CONST(-0.995184719562531), FRAC_CONST(-0.098017267882824) }, + { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) }, + { FRAC_CONST(-0.773010551929474), FRAC_CONST(-0.634393215179443) }, + { FRAC_CONST(-0.555570006370544), FRAC_CONST(-0.831469774246216) }, + { FRAC_CONST(-0.290284544229507), FRAC_CONST(-0.956940352916718) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) }, + { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) }, + { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) }, + { FRAC_CONST(0.000000011924881), FRAC_CONST(-1.000000000000000) } + }; + +#endif + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/codebook/hcb.h b/audio_codec/libfaad/codebook/hcb.h new file mode 100644 index 0000000..4fca89a --- a/dev/null +++ b/audio_codec/libfaad/codebook/hcb.h @@ -0,0 +1,140 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcb.h,v 1.8 2007/11/01 12:34:10 menno Exp $ +**/ + +#ifndef __HCB_H__ +#define __HCB_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + /* + * Optimal huffman decoding for AAC taken from: + * "SELECTING AN OPTIMAL HUFFMAN DECODER FOR AAC" by + * VLADIMIR Z. MESAROVIC , RAGHUNATH RAO, MIROSLAV V. DOKIC, and SACHIN DEO + * AES paper 5436 + * + * 2 methods are used for huffman decoding: + * - binary search + * - 2-step table lookup + * + * The choice of the "optimal" method is based on the fact that if the + * memory size for the Two-step is exorbitantly high then the decision + * is Binary search for that codebook. However, for marginally more memory + * size, if Twostep outperforms even the best case of Binary then the + * decision is Two-step for that codebook. + * + * The following methods are used for the different tables. + * codebook "optimal" method + * HCB_1 2-Step + * HCB_2 2-Step + * HCB_3 Binary + * HCB_4 2-Step + * HCB_5 Binary + * HCB_6 2-Step + * HCB_7 Binary + * HCB_8 2-Step + * HCB_9 Binary + * HCB_10 2-Step + * HCB_11 2-Step + * HCB_SF Binary + * + */ + + +#define ZERO_HCB 0 +#define FIRST_PAIR_HCB 5 +#define ESC_HCB 11 +#define QUAD_LEN 4 +#define PAIR_LEN 2 +#define NOISE_HCB 13 +#define INTENSITY_HCB2 14 +#define INTENSITY_HCB 15 + + /* 1st step table */ + typedef struct { + uint8_t offset; + uint8_t extra_bits; + } hcb; + + /* 2nd step table with quadruple data */ + typedef struct { + uint8_t bits; + int8_t x; + int8_t y; + } hcb_2_pair; + + typedef struct { + uint8_t bits; + int8_t x; + int8_t y; + int8_t v; + int8_t w; + } hcb_2_quad; + + /* binary search table */ + typedef struct { + uint8_t is_leaf; + int8_t data[4]; + } hcb_bin_quad; + + typedef struct { + uint8_t is_leaf; + int8_t data[2]; + } hcb_bin_pair; + + hcb *hcb_table[]; + hcb_2_quad *hcb_2_quad_table[]; + hcb_2_pair *hcb_2_pair_table[]; + hcb_bin_pair *hcb_bin_table[]; + uint8_t hcbN[]; + uint8_t unsigned_cb[]; + int hcb_2_quad_table_size[]; + int hcb_2_pair_table_size[]; + int hcb_bin_table_size[]; + +#include "codebook/hcb_1.h" +#include "codebook/hcb_2.h" +#include "codebook/hcb_3.h" +#include "codebook/hcb_4.h" +#include "codebook/hcb_5.h" +#include "codebook/hcb_6.h" +#include "codebook/hcb_7.h" +#include "codebook/hcb_8.h" +#include "codebook/hcb_9.h" +#include "codebook/hcb_10.h" +#include "codebook/hcb_11.h" +#include "codebook/hcb_sf.h" + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/codebook/hcb_1.h b/audio_codec/libfaad/codebook/hcb_1.h new file mode 100644 index 0000000..86c7159 --- a/dev/null +++ b/audio_codec/libfaad/codebook/hcb_1.h @@ -0,0 +1,186 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcb_1.h,v 1.5 2007/11/01 12:34:11 menno Exp $ +**/ + +/* 2-step huffman table HCB_1 */ + + +/* 1st step: 5 bits + * 2^5 = 32 entries + * + * Used to find offset into 2nd step table and number of extra bits to get + */ +static hcb hcb1_1[] = { + { /* 00000 */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* 10000 */ 1, 0 }, + { /* 10001 */ 2, 0 }, + { /* 10010 */ 3, 0 }, + { /* 10011 */ 4, 0 }, + { /* 10100 */ 5, 0 }, + { /* 10101 */ 6, 0 }, + { /* 10110 */ 7, 0 }, + { /* 10111 */ 8, 0 }, + + /* 7 bit codewords */ + { /* 11000 */ 9, 2 }, + { /* 11001 */ 13, 2 }, + { /* 11010 */ 17, 2 }, + { /* 11011 */ 21, 2 }, + { /* 11100 */ 25, 2 }, + { /* 11101 */ 29, 2 }, + + /* 9 bit codewords */ + { /* 11110 */ 33, 4 }, + + /* 9/10/11 bit codewords */ + { /* 11111 */ 49, 6 } +}; + +/* 2nd step table + * + * Gives size of codeword and actual data (x,y,v,w) + */ +static hcb_2_quad hcb1_2[] = { + /* 1 bit codeword */ + { 1, 0, 0, 0, 0 }, + + /* 5 bit codewords */ + { 5, 1, 0, 0, 0 }, + { 5, -1, 0, 0, 0 }, + { 5, 0, 0, 0, -1 }, + { 5, 0, 1, 0, 0 }, + { 5, 0, 0, 0, 1 }, + { 5, 0, 0, -1, 0 }, + { 5, 0, 0, 1, 0 }, + { 5, 0, -1, 0, 0 }, + + /* 7 bit codewords */ + /* first 5 bits: 11000 */ + { 7, 1, -1, 0, 0 }, + { 7, -1, 1, 0, 0 }, + { 7, 0, 0, -1, 1 }, + { 7, 0, 1, -1, 0 }, + /* first 5 bits: 11001 */ + { 7, 0, -1, 1, 0 }, + { 7, 0, 0, 1, -1 }, + { 7, 1, 1, 0, 0 }, + { 7, 0, 0, -1, -1 }, + /* first 5 bits: 11010 */ + { 7, -1, -1, 0, 0 }, + { 7, 0, -1, -1, 0 }, + { 7, 1, 0, -1, 0 }, + { 7, 0, 1, 0, -1 }, + /* first 5 bits: 11011 */ + { 7, -1, 0, 1, 0 }, + { 7, 0, 0, 1, 1 }, + { 7, 1, 0, 1, 0 }, + { 7, 0, -1, 0, 1 }, + /* first 5 bits: 11100 */ + { 7, 0, 1, 1, 0 }, + { 7, 0, 1, 0, 1 }, + { 7, -1, 0, -1, 0 }, + { 7, 1, 0, 0, 1 }, + /* first 5 bits: 11101 */ + { 7, -1, 0, 0, -1 }, + { 7, 1, 0, 0, -1 }, + { 7, -1, 0, 0, 1 }, + { 7, 0, -1, 0, -1 }, + + /* 9 bit codeword */ + /* first 5 bits: 11110 */ + { 9, 1, 1, -1, 0 }, + { 9, -1, 1, -1, 0 }, + { 9, 1, -1, 1, 0 }, + { 9, 0, 1, 1, -1 }, + { 9, 0, 1, -1, 1 }, + { 9, 0, -1, 1, 1 }, + { 9, 0, -1, 1, -1 }, + { 9, 1, -1, -1, 0 }, + { 9, 1, 0, -1, 1 }, + { 9, 0, 1, -1, -1 }, + { 9, -1, 1, 1, 0 }, + { 9, -1, 0, 1, -1 }, + { 9, -1, -1, 1, 0 }, + { 9, 0, -1, -1, 1 }, + { 9, 1, -1, 0, 1 }, + { 9, 1, -1, 0, -1 }, + + /* 9/10/11 bit codewords */ + /* first 5 bits: 11111 */ + /* 9 bit: reading 11 bits -> 2 too much so 4 entries for each codeword */ + { 9, -1, 1, 0, -1 }, { 9, -1, 1, 0, -1 }, { 9, -1, 1, 0, -1 }, { 9, -1, 1, 0, -1 }, + { 9, -1, -1, -1, 0 }, { 9, -1, -1, -1, 0 }, { 9, -1, -1, -1, 0 }, { 9, -1, -1, -1, 0 }, + { 9, 0, -1, -1, -1 }, { 9, 0, -1, -1, -1 }, { 9, 0, -1, -1, -1 }, { 9, 0, -1, -1, -1 }, + { 9, 0, 1, 1, 1 }, { 9, 0, 1, 1, 1 }, { 9, 0, 1, 1, 1 }, { 9, 0, 1, 1, 1 }, + { 9, 1, 0, 1, -1 }, { 9, 1, 0, 1, -1 }, { 9, 1, 0, 1, -1 }, { 9, 1, 0, 1, -1 }, + { 9, 1, 1, 0, 1 }, { 9, 1, 1, 0, 1 }, { 9, 1, 1, 0, 1 }, { 9, 1, 1, 0, 1 }, + { 9, -1, 1, 0, 1 }, { 9, -1, 1, 0, 1 }, { 9, -1, 1, 0, 1 }, { 9, -1, 1, 0, 1 }, + { 9, 1, 1, 1, 0 }, { 9, 1, 1, 1, 0 }, { 9, 1, 1, 1, 0 }, { 9, 1, 1, 1, 0 }, + /* 10 bit: reading 11 bits -> 1 too much so 2 entries for each codeword */ + { 10, -1, -1, 0, 1 }, { 10, -1, -1, 0, 1 }, + { 10, -1, 0, -1, -1 }, { 10, -1, 0, -1, -1 }, + { 10, 1, 1, 0, -1 }, { 10, 1, 1, 0, -1 }, + { 10, 1, 0, -1, -1 }, { 10, 1, 0, -1, -1 }, + { 10, -1, 0, -1, 1 }, { 10, -1, 0, -1, 1 }, + { 10, -1, -1, 0, -1 }, { 10, -1, -1, 0, -1 }, + { 10, -1, 0, 1, 1 }, { 10, -1, 0, 1, 1 }, + { 10, 1, 0, 1, 1 }, { 10, 1, 0, 1, 1 }, + /* 11 bit */ + { 11, 1, -1, 1, -1 }, + { 11, -1, 1, -1, 1 }, + { 11, -1, 1, 1, -1 }, + { 11, 1, -1, -1, 1 }, + { 11, 1, 1, 1, 1 }, + { 11, -1, -1, 1, 1 }, + { 11, 1, 1, -1, -1 }, + { 11, -1, -1, 1, -1 }, + { 11, -1, -1, -1, -1 }, + { 11, 1, 1, -1, 1 }, + { 11, 1, -1, 1, 1 }, + { 11, -1, 1, 1, 1 }, + { 11, -1, 1, -1, -1 }, + { 11, -1, -1, -1, 1 }, + { 11, 1, -1, -1, -1 }, + { 11, 1, 1, 1, -1 } +}; diff --git a/audio_codec/libfaad/codebook/hcb_10.h b/audio_codec/libfaad/codebook/hcb_10.h new file mode 100644 index 0000000..d31dc81 --- a/dev/null +++ b/audio_codec/libfaad/codebook/hcb_10.h @@ -0,0 +1,312 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcb_10.h,v 1.5 2007/11/01 12:34:11 menno Exp $ +**/ + +/* 2-step huffman table HCB_10 */ + + +/* 1st step: 6 bits + * 2^6 = 64 entries + * + * Used to find offset into 2nd step table and number of extra bits to get + */ +static hcb hcb10_1[] = { + /* 4 bit codewords */ + { /* 000000 */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* 000100 */ 1, 0 }, + { /* */ 1, 0 }, + { /* */ 1, 0 }, + { /* */ 1, 0 }, + { /* 001000 */ 2, 0 }, + { /* */ 2, 0 }, + { /* */ 2, 0 }, + { /* */ 2, 0 }, + /* 5 bit codewords */ + { /* 001100 */ 3, 0 }, + { /* */ 3, 0 }, + { /* 001110 */ 4, 0 }, + { /* */ 4, 0 }, + { /* 010000 */ 5, 0 }, + { /* */ 5, 0 }, + { /* 010010 */ 6, 0 }, + { /* */ 6, 0 }, + { /* 010100 */ 7, 0 }, + { /* */ 7, 0 }, + { /* 010110 */ 8, 0 }, + { /* */ 8, 0 }, + { /* 011000 */ 9, 0 }, + { /* */ 9, 0 }, + { /* 011010 */ 10, 0 }, + { /* */ 10, 0 }, + /* 6 bit codewords */ + { /* 011100 */ 11, 0 }, + { /* 011101 */ 12, 0 }, + { /* 011110 */ 13, 0 }, + { /* 011111 */ 14, 0 }, + { /* 100000 */ 15, 0 }, + { /* 100001 */ 16, 0 }, + { /* 100010 */ 17, 0 }, + { /* 100011 */ 18, 0 }, + { /* 100100 */ 19, 0 }, + { /* 100101 */ 20, 0 }, + { /* 100110 */ 21, 0 }, + { /* 100111 */ 22, 0 }, + { /* 101000 */ 23, 0 }, + { /* 101001 */ 24, 0 }, + /* 7 bit codewords */ + { /* 101010 */ 25, 1 }, + { /* 101011 */ 27, 1 }, + { /* 101100 */ 29, 1 }, + { /* 101101 */ 31, 1 }, + { /* 101110 */ 33, 1 }, + { /* 101111 */ 35, 1 }, + { /* 110000 */ 37, 1 }, + { /* 110001 */ 39, 1 }, + /* 7/8 bit codewords */ + { /* 110010 */ 41, 2 }, + /* 8 bit codewords */ + { /* 110011 */ 45, 2 }, + { /* 110100 */ 49, 2 }, + { /* 110101 */ 53, 2 }, + { /* 110110 */ 57, 2 }, + { /* 110111 */ 61, 2 }, + /* 8/9 bit codewords */ + { /* 111000 */ 65, 3 }, + /* 9 bit codewords */ + { /* 111001 */ 73, 3 }, + { /* 111010 */ 81, 3 }, + { /* 111011 */ 89, 3 }, + /* 9/10 bit codewords */ + { /* 111100 */ 97, 4 }, + /* 10 bit codewords */ + { /* 111101 */ 113, 4 }, + { /* 111110 */ 129, 4 }, + /* 10/11/12 bit codewords */ + { /* 111111 */ 145, 6 } +}; + +/* 2nd step table + * + * Gives size of codeword and actual data (x,y,v,w) + */ +static hcb_2_pair hcb10_2[] = { + /* 4 bit codewords */ + { 4, 1, 1 }, + { 4, 1, 2 }, + { 4, 2, 1 }, + + /* 5 bit codewords */ + { 5, 2, 2 }, + { 5, 1, 0 }, + { 5, 0, 1 }, + { 5, 1, 3 }, + { 5, 3, 2 }, + { 5, 3, 1 }, + { 5, 2, 3 }, + { 5, 3, 3 }, + + /* 6 bit codewords */ + { 6, 2, 0 }, + { 6, 0, 2 }, + { 6, 2, 4 }, + { 6, 4, 2 }, + { 6, 1, 4 }, + { 6, 4, 1 }, + { 6, 0, 0 }, + { 6, 4, 3 }, + { 6, 3, 4 }, + { 6, 3, 0 }, + { 6, 0, 3 }, + { 6, 4, 4 }, + { 6, 2, 5 }, + { 6, 5, 2 }, + + /* 7 bit codewords */ + { 7, 1, 5 }, + { 7, 5, 1 }, + { 7, 5, 3 }, + { 7, 3, 5 }, + { 7, 5, 4 }, + { 7, 4, 5 }, + { 7, 6, 2 }, + { 7, 2, 6 }, + { 7, 6, 3 }, + { 7, 4, 0 }, + { 7, 6, 1 }, + { 7, 0, 4 }, + { 7, 1, 6 }, + { 7, 3, 6 }, + { 7, 5, 5 }, + { 7, 6, 4 }, + + /* 7/8 bit codewords */ + { 7, 4, 6 }, { 7, 4, 6 }, + { 8, 6, 5 }, + { 8, 7, 2 }, + + /* 8 bit codewords */ + { 8, 3, 7 }, + { 8, 2, 7 }, + { 8, 5, 6 }, + { 8, 8, 2 }, + { 8, 7, 3 }, + { 8, 5, 0 }, + { 8, 7, 1 }, + { 8, 0, 5 }, + { 8, 8, 1 }, + { 8, 1, 7 }, + { 8, 8, 3 }, + { 8, 7, 4 }, + { 8, 4, 7 }, + { 8, 2, 8 }, + { 8, 6, 6 }, + { 8, 7, 5 }, + { 8, 1, 8 }, + { 8, 3, 8 }, + { 8, 8, 4 }, + { 8, 4, 8 }, + + /* 8/9 bit codewords */ + { 8, 5, 7 }, { 8, 5, 7 }, + { 8, 8, 5 }, { 8, 8, 5 }, + { 8, 5, 8 }, { 8, 5, 8 }, + { 9, 7, 6 }, + { 9, 6, 7 }, + + /* 9 bit codewords */ + { 9, 9, 2 }, + { 9, 6, 0 }, + { 9, 6, 8 }, + { 9, 9, 3 }, + { 9, 3, 9 }, + { 9, 9, 1 }, + { 9, 2, 9 }, + { 9, 0, 6 }, + { 9, 8, 6 }, + { 9, 9, 4 }, + { 9, 4, 9 }, + { 9, 10, 2 }, + { 9, 1, 9 }, + { 9, 7, 7 }, + { 9, 8, 7 }, + { 9, 9, 5 }, + { 9, 7, 8 }, + { 9, 10, 3 }, + { 9, 5, 9 }, + { 9, 10, 4 }, + { 9, 2, 10 }, + { 9, 10, 1 }, + { 9, 3, 10 }, + { 9, 9, 6 }, + + /* 9/10 bit codewords */ + { 9, 6, 9 }, { 9, 6, 9 }, + { 9, 8, 0 }, { 9, 8, 0 }, + { 9, 4, 10 }, { 9, 4, 10 }, + { 9, 7, 0 }, { 9, 7, 0 }, + { 9, 11, 2 }, { 9, 11, 2 }, + { 10, 7, 9 }, + { 10, 11, 3 }, + { 10, 10, 6 }, + { 10, 1, 10 }, + { 10, 11, 1 }, + { 10, 9, 7 }, + + /* 10 bit codewords */ + { 10, 0, 7 }, + { 10, 8, 8 }, + { 10, 10, 5 }, + { 10, 3, 11 }, + { 10, 5, 10 }, + { 10, 8, 9 }, + { 10, 11, 5 }, + { 10, 0, 8 }, + { 10, 11, 4 }, + { 10, 2, 11 }, + { 10, 7, 10 }, + { 10, 6, 10 }, + { 10, 10, 7 }, + { 10, 4, 11 }, + { 10, 1, 11 }, + { 10, 12, 2 }, + { 10, 9, 8 }, + { 10, 12, 3 }, + { 10, 11, 6 }, + { 10, 5, 11 }, + { 10, 12, 4 }, + { 10, 11, 7 }, + { 10, 12, 5 }, + { 10, 3, 12 }, + { 10, 6, 11 }, + { 10, 9, 0 }, + { 10, 10, 8 }, + { 10, 10, 0 }, + { 10, 12, 1 }, + { 10, 0, 9 }, + { 10, 4, 12 }, + { 10, 9, 9 }, + + /* 10/11/12 bit codewords */ + { 10, 12, 6 }, { 10, 12, 6 }, { 10, 12, 6 }, { 10, 12, 6 }, + { 10, 2, 12 }, { 10, 2, 12 }, { 10, 2, 12 }, { 10, 2, 12 }, + { 10, 8, 10 }, { 10, 8, 10 }, { 10, 8, 10 }, { 10, 8, 10 }, + { 11, 9, 10 }, { 11, 9, 10 }, + { 11, 1, 12 }, { 11, 1, 12 }, + { 11, 11, 8 }, { 11, 11, 8 }, + { 11, 12, 7 }, { 11, 12, 7 }, + { 11, 7, 11 }, { 11, 7, 11 }, + { 11, 5, 12 }, { 11, 5, 12 }, + { 11, 6, 12 }, { 11, 6, 12 }, + { 11, 10, 9 }, { 11, 10, 9 }, + { 11, 8, 11 }, { 11, 8, 11 }, + { 11, 12, 8 }, { 11, 12, 8 }, + { 11, 0, 10 }, { 11, 0, 10 }, + { 11, 7, 12 }, { 11, 7, 12 }, + { 11, 11, 0 }, { 11, 11, 0 }, + { 11, 10, 10 }, { 11, 10, 10 }, + { 11, 11, 9 }, { 11, 11, 9 }, + { 11, 11, 10 }, { 11, 11, 10 }, + { 11, 0, 11 }, { 11, 0, 11 }, + { 11, 11, 11 }, { 11, 11, 11 }, + { 11, 9, 11 }, { 11, 9, 11 }, + { 11, 10, 11 }, { 11, 10, 11 }, + { 11, 12, 0 }, { 11, 12, 0 }, + { 11, 8, 12 }, { 11, 8, 12 }, + { 12, 12, 9 }, + { 12, 10, 12 }, + { 12, 9, 12 }, + { 12, 11, 12 }, + { 12, 12, 11 }, + { 12, 0, 12 }, + { 12, 12, 10 }, + { 12, 12, 12 } +}; diff --git a/audio_codec/libfaad/codebook/hcb_11.h b/audio_codec/libfaad/codebook/hcb_11.h new file mode 100644 index 0000000..e181735 --- a/dev/null +++ b/audio_codec/libfaad/codebook/hcb_11.h @@ -0,0 +1,415 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcb_11.h,v 1.5 2007/11/01 12:34:11 menno Exp $ +**/ + +/* 2-step huffman table HCB_11 */ + + +/* 1st step: 5 bits + * 2^5 = 32 entries + * + * Used to find offset into 2nd step table and number of extra bits to get + */ +static hcb hcb11_1[] = { + /* 4 bits */ + { /* 00000 */ 0, 0 }, + { /* */ 0, 0 }, + { /* 00010 */ 1, 0 }, + { /* */ 1, 0 }, + + /* 5 bits */ + { /* 00100 */ 2, 0 }, + { /* 00101 */ 3, 0 }, + { /* 00110 */ 4, 0 }, + { /* 00111 */ 5, 0 }, + { /* 01000 */ 6, 0 }, + { /* 01001 */ 7, 0 }, + + /* 6 bits */ + { /* 01010 */ 8, 1 }, + { /* 01011 */ 10, 1 }, + { /* 01100 */ 12, 1 }, + + /* 6/7 bits */ + { /* 01101 */ 14, 2 }, + + /* 7 bits */ + { /* 01110 */ 18, 2 }, + { /* 01111 */ 22, 2 }, + { /* 10000 */ 26, 2 }, + + /* 7/8 bits */ + { /* 10001 */ 30, 3 }, + + /* 8 bits */ + { /* 10010 */ 38, 3 }, + { /* 10011 */ 46, 3 }, + { /* 10100 */ 54, 3 }, + { /* 10101 */ 62, 3 }, + { /* 10110 */ 70, 3 }, + { /* 10111 */ 78, 3 }, + + /* 8/9 bits */ + { /* 11000 */ 86, 4 }, + + /* 9 bits */ + { /* 11001 */ 102, 4 }, + { /* 11010 */ 118, 4 }, + { /* 11011 */ 134, 4 }, + + /* 9/10 bits */ + { /* 11100 */ 150, 5 }, + + /* 10 bits */ + { /* 11101 */ 182, 5 }, + { /* 11110 */ 214, 5 }, + + /* 10/11/12 bits */ + { /* 11111 */ 246, 7 } +}; + +/* 2nd step table + * + * Gives size of codeword and actual data (x,y,v,w) + */ +static hcb_2_pair hcb11_2[] = { + /* 4 */ + { 4, 0, 0 }, + { 4, 1, 1 }, + + /* 5 */ + { 5, 16, 16 }, + { 5, 1, 0 }, + { 5, 0, 1 }, + { 5, 2, 1 }, + { 5, 1, 2 }, + { 5, 2, 2 }, + + /* 6 */ + { 6, 1, 3 }, + { 6, 3, 1 }, + { 6, 3, 2 }, + { 6, 2, 0 }, + { 6, 2, 3 }, + { 6, 0, 2 }, + + /* 6/7 */ + { 6, 3, 3 }, { 6, 3, 3 }, + { 7, 4, 1 }, + { 7, 1, 4 }, + + /* 7 */ + { 7, 4, 2 }, + { 7, 2, 4 }, + { 7, 4, 3 }, + { 7, 3, 4 }, + { 7, 3, 0 }, + { 7, 0, 3 }, + { 7, 5, 1 }, + { 7, 5, 2 }, + { 7, 2, 5 }, + { 7, 4, 4 }, + { 7, 1, 5 }, + { 7, 5, 3 }, + + /* 7/8 */ + { 7, 3, 5 }, { 7, 3, 5 }, + { 7, 5, 4 }, { 7, 5, 4 }, + { 8, 4, 5 }, + { 8, 6, 2 }, + { 8, 2, 6 }, + { 8, 6, 1 }, + + /* 8 */ + { 8, 6, 3 }, + { 8, 3, 6 }, + { 8, 1, 6 }, + { 8, 4, 16 }, + { 8, 3, 16 }, + { 8, 16, 5 }, + { 8, 16, 3 }, + { 8, 16, 4 }, + { 8, 6, 4 }, + { 8, 16, 6 }, + { 8, 4, 0 }, + { 8, 4, 6 }, + { 8, 0, 4 }, + { 8, 2, 16 }, + { 8, 5, 5 }, + { 8, 5, 16 }, + { 8, 16, 7 }, + { 8, 16, 2 }, + { 8, 16, 8 }, + { 8, 2, 7 }, + { 8, 7, 2 }, + { 8, 3, 7 }, + { 8, 6, 5 }, + { 8, 5, 6 }, + { 8, 6, 16 }, + { 8, 16, 10 }, + { 8, 7, 3 }, + { 8, 7, 1 }, + { 8, 16, 9 }, + { 8, 7, 16 }, + { 8, 1, 16 }, + { 8, 1, 7 }, + { 8, 4, 7 }, + { 8, 16, 11 }, + { 8, 7, 4 }, + { 8, 16, 12 }, + { 8, 8, 16 }, + { 8, 16, 1 }, + { 8, 6, 6 }, + { 8, 9, 16 }, + { 8, 2, 8 }, + { 8, 5, 7 }, + { 8, 10, 16 }, + { 8, 16, 13 }, + { 8, 8, 3 }, + { 8, 8, 2 }, + { 8, 3, 8 }, + { 8, 5, 0 }, + + /* 8/9 */ + { 8, 16, 14 }, { 8, 16, 14 }, + { 8, 11, 16 }, { 8, 11, 16 }, + { 8, 7, 5 }, { 8, 7, 5 }, + { 8, 4, 8 }, { 8, 4, 8 }, + { 8, 6, 7 }, { 8, 6, 7 }, + { 8, 7, 6 }, { 8, 7, 6 }, + { 8, 0, 5 }, { 8, 0, 5 }, + { 9, 8, 4 }, + { 9, 16, 15 }, + + /* 9 */ + { 9, 12, 16 }, + { 9, 1, 8 }, + { 9, 8, 1 }, + { 9, 14, 16 }, + { 9, 5, 8 }, + { 9, 13, 16 }, + { 9, 3, 9 }, + { 9, 8, 5 }, + { 9, 7, 7 }, + { 9, 2, 9 }, + { 9, 8, 6 }, + { 9, 9, 2 }, + { 9, 9, 3 }, + { 9, 15, 16 }, + { 9, 4, 9 }, + { 9, 6, 8 }, + { 9, 6, 0 }, + { 9, 9, 4 }, + { 9, 5, 9 }, + { 9, 8, 7 }, + { 9, 7, 8 }, + { 9, 1, 9 }, + { 9, 10, 3 }, + { 9, 0, 6 }, + { 9, 10, 2 }, + { 9, 9, 1 }, + { 9, 9, 5 }, + { 9, 4, 10 }, + { 9, 2, 10 }, + { 9, 9, 6 }, + { 9, 3, 10 }, + { 9, 6, 9 }, + { 9, 10, 4 }, + { 9, 8, 8 }, + { 9, 10, 5 }, + { 9, 9, 7 }, + { 9, 11, 3 }, + { 9, 1, 10 }, + { 9, 7, 0 }, + { 9, 10, 6 }, + { 9, 7, 9 }, + { 9, 3, 11 }, + { 9, 5, 10 }, + { 9, 10, 1 }, + { 9, 4, 11 }, + { 9, 11, 2 }, + { 9, 13, 2 }, + { 9, 6, 10 }, + + /* 9/10 */ + { 9, 13, 3 }, { 9, 13, 3 }, + { 9, 2, 11 }, { 9, 2, 11 }, + { 9, 16, 0 }, { 9, 16, 0 }, + { 9, 5, 11 }, { 9, 5, 11 }, + { 9, 11, 5 }, { 9, 11, 5 }, + { 10, 11, 4 }, + { 10, 9, 8 }, + { 10, 7, 10 }, + { 10, 8, 9 }, + { 10, 0, 16 }, + { 10, 4, 13 }, + { 10, 0, 7 }, + { 10, 3, 13 }, + { 10, 11, 6 }, + { 10, 13, 1 }, + { 10, 13, 4 }, + { 10, 12, 3 }, + { 10, 2, 13 }, + { 10, 13, 5 }, + { 10, 8, 10 }, + { 10, 6, 11 }, + { 10, 10, 8 }, + { 10, 10, 7 }, + { 10, 14, 2 }, + { 10, 12, 4 }, + { 10, 1, 11 }, + { 10, 4, 12 }, + + /* 10 */ + { 10, 11, 1 }, + { 10, 3, 12 }, + { 10, 1, 13 }, + { 10, 12, 2 }, + { 10, 7, 11 }, + { 10, 3, 14 }, + { 10, 5, 12 }, + { 10, 5, 13 }, + { 10, 14, 4 }, + { 10, 4, 14 }, + { 10, 11, 7 }, + { 10, 14, 3 }, + { 10, 12, 5 }, + { 10, 13, 6 }, + { 10, 12, 6 }, + { 10, 8, 0 }, + { 10, 11, 8 }, + { 10, 2, 12 }, + { 10, 9, 9 }, + { 10, 14, 5 }, + { 10, 6, 13 }, + { 10, 10, 10 }, + { 10, 15, 2 }, + { 10, 8, 11 }, + { 10, 9, 10 }, + { 10, 14, 6 }, + { 10, 10, 9 }, + { 10, 5, 14 }, + { 10, 11, 9 }, + { 10, 14, 1 }, + { 10, 2, 14 }, + { 10, 6, 12 }, + { 10, 1, 12 }, + { 10, 13, 8 }, + { 10, 0, 8 }, + { 10, 13, 7 }, + { 10, 7, 12 }, + { 10, 12, 7 }, + { 10, 7, 13 }, + { 10, 15, 3 }, + { 10, 12, 1 }, + { 10, 6, 14 }, + { 10, 2, 15 }, + { 10, 15, 5 }, + { 10, 15, 4 }, + { 10, 1, 14 }, + { 10, 9, 11 }, + { 10, 4, 15 }, + { 10, 14, 7 }, + { 10, 8, 13 }, + { 10, 13, 9 }, + { 10, 8, 12 }, + { 10, 5, 15 }, + { 10, 3, 15 }, + { 10, 10, 11 }, + { 10, 11, 10 }, + { 10, 12, 8 }, + { 10, 15, 6 }, + { 10, 15, 7 }, + { 10, 8, 14 }, + { 10, 15, 1 }, + { 10, 7, 14 }, + { 10, 9, 0 }, + { 10, 0, 9 }, + + /* 10/11/12 */ + { 10, 9, 13 }, { 10, 9, 13 }, { 10, 9, 13 }, { 10, 9, 13 }, + { 10, 9, 12 }, { 10, 9, 12 }, { 10, 9, 12 }, { 10, 9, 12 }, + { 10, 12, 9 }, { 10, 12, 9 }, { 10, 12, 9 }, { 10, 12, 9 }, + { 10, 14, 8 }, { 10, 14, 8 }, { 10, 14, 8 }, { 10, 14, 8 }, + { 10, 10, 13 }, { 10, 10, 13 }, { 10, 10, 13 }, { 10, 10, 13 }, + { 10, 14, 9 }, { 10, 14, 9 }, { 10, 14, 9 }, { 10, 14, 9 }, + { 10, 12, 10 }, { 10, 12, 10 }, { 10, 12, 10 }, { 10, 12, 10 }, + { 10, 6, 15 }, { 10, 6, 15 }, { 10, 6, 15 }, { 10, 6, 15 }, + { 10, 7, 15 }, { 10, 7, 15 }, { 10, 7, 15 }, { 10, 7, 15 }, + + { 11, 9, 14 }, { 11, 9, 14 }, + { 11, 15, 8 }, { 11, 15, 8 }, + { 11, 11, 11 }, { 11, 11, 11 }, + { 11, 11, 14 }, { 11, 11, 14 }, + { 11, 1, 15 }, { 11, 1, 15 }, + { 11, 10, 12 }, { 11, 10, 12 }, + { 11, 10, 14 }, { 11, 10, 14 }, + { 11, 13, 11 }, { 11, 13, 11 }, + { 11, 13, 10 }, { 11, 13, 10 }, + { 11, 11, 13 }, { 11, 11, 13 }, + { 11, 11, 12 }, { 11, 11, 12 }, + { 11, 8, 15 }, { 11, 8, 15 }, + { 11, 14, 11 }, { 11, 14, 11 }, + { 11, 13, 12 }, { 11, 13, 12 }, + { 11, 12, 13 }, { 11, 12, 13 }, + { 11, 15, 9 }, { 11, 15, 9 }, + { 11, 14, 10 }, { 11, 14, 10 }, + { 11, 10, 0 }, { 11, 10, 0 }, + { 11, 12, 11 }, { 11, 12, 11 }, + { 11, 9, 15 }, { 11, 9, 15 }, + { 11, 0, 10 }, { 11, 0, 10 }, + { 11, 12, 12 }, { 11, 12, 12 }, + { 11, 11, 0 }, { 11, 11, 0 }, + { 11, 12, 14 }, { 11, 12, 14 }, + { 11, 10, 15 }, { 11, 10, 15 }, + { 11, 13, 13 }, { 11, 13, 13 }, + { 11, 0, 13 }, { 11, 0, 13 }, + { 11, 14, 12 }, { 11, 14, 12 }, + { 11, 15, 10 }, { 11, 15, 10 }, + { 11, 15, 11 }, { 11, 15, 11 }, + { 11, 11, 15 }, { 11, 11, 15 }, + { 11, 14, 13 }, { 11, 14, 13 }, + { 11, 13, 0 }, { 11, 13, 0 }, + { 11, 0, 11 }, { 11, 0, 11 }, + { 11, 13, 14 }, { 11, 13, 14 }, + { 11, 15, 12 }, { 11, 15, 12 }, + { 11, 15, 13 }, { 11, 15, 13 }, + { 11, 12, 15 }, { 11, 12, 15 }, + { 11, 14, 0 }, { 11, 14, 0 }, + { 11, 14, 14 }, { 11, 14, 14 }, + { 11, 13, 15 }, { 11, 13, 15 }, + { 11, 12, 0 }, { 11, 12, 0 }, + { 11, 14, 15 }, { 11, 14, 15 }, + { 12, 0, 14 }, + { 12, 0, 12 }, + { 12, 15, 14 }, + { 12, 15, 0 }, + { 12, 0, 15 }, + { 12, 15, 15 } +}; diff --git a/audio_codec/libfaad/codebook/hcb_2.h b/audio_codec/libfaad/codebook/hcb_2.h new file mode 100644 index 0000000..0d9fb51 --- a/dev/null +++ b/audio_codec/libfaad/codebook/hcb_2.h @@ -0,0 +1,185 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcb_2.h,v 1.5 2007/11/01 12:34:11 menno Exp $ +**/ + +/* 2-step huffman table HCB_2 */ + + +/* 1st step: 5 bits + * 2^5 = 32 entries + * + * Used to find offset into 2nd step table and number of extra bits to get + */ +static hcb hcb2_1[] = { + { /* 00000 */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* 00100 */ 1, 0 }, + { /* */ 1, 0 }, + { /* 00110 */ 2, 0 }, + { /* 00111 */ 3, 0 }, + { /* 01000 */ 4, 0 }, + { /* 01001 */ 5, 0 }, + { /* 01010 */ 6, 0 }, + { /* 01011 */ 7, 0 }, + { /* 01100 */ 8, 0 }, + + /* 6 bit codewords */ + { /* 01101 */ 9, 1 }, + { /* 01110 */ 11, 1 }, + { /* 01111 */ 13, 1 }, + { /* 10000 */ 15, 1 }, + { /* 10001 */ 17, 1 }, + { /* 10010 */ 19, 1 }, + { /* 10011 */ 21, 1 }, + { /* 10100 */ 23, 1 }, + { /* 10101 */ 25, 1 }, + { /* 10110 */ 27, 1 }, + { /* 10111 */ 29, 1 }, + { /* 11000 */ 31, 1 }, + + /* 7 bit codewords */ + { /* 11001 */ 33, 2 }, + { /* 11010 */ 37, 2 }, + { /* 11011 */ 41, 2 }, + + /* 7/8 bit codewords */ + { /* 11100 */ 45, 3 }, + + /* 8 bit codewords */ + { /* 11101 */ 53, 3 }, + { /* 11110 */ 61, 3 }, + + /* 8/9 bit codewords */ + { /* 11111 */ 69, 4 } +}; + +/* 2nd step table + * + * Gives size of codeword and actual data (x,y,v,w) + */ +static hcb_2_quad hcb2_2[] = { + /* 3 bit codeword */ + { 3, 0, 0, 0, 0 }, + + /* 4 bit codeword */ + { 4, 1, 0, 0, 0 }, + + /* 5 bit codewords */ + { 5, -1, 0, 0, 0 }, + { 5, 0, 0, 0, 1 }, + { 5, 0, 0, -1, 0 }, + { 5, 0, 0, 0, -1 }, + { 5, 0, -1, 0, 0 }, + { 5, 0, 0, 1, 0 }, + { 5, 0, 1, 0, 0 }, + + /* 6 bit codewords */ + { 6, 0, -1, 1, 0 }, + { 6, -1, 1, 0, 0 }, + { 6, 0, 1, -1, 0 }, + { 6, 0, 0, 1, -1 }, + { 6, 0, 1, 0, -1 }, + { 6, 0, 0, -1, 1 }, + { 6, -1, 0, 0, -1 }, + { 6, 1, -1, 0, 0 }, + { 6, 1, 0, -1, 0 }, + { 6, -1, -1, 0, 0 }, + { 6, 0, 0, -1, -1 }, + { 6, 1, 0, 1, 0 }, + { 6, 1, 0, 0, 1 }, + { 6, 0, -1, 0, 1 }, + { 6, -1, 0, 1, 0 }, + { 6, 0, 1, 0, 1 }, + { 6, 0, -1, -1, 0 }, + { 6, -1, 0, 0, 1 }, + { 6, 0, -1, 0, -1 }, + { 6, -1, 0, -1, 0 }, + { 6, 1, 1, 0, 0 }, + { 6, 0, 1, 1, 0 }, + { 6, 0, 0, 1, 1 }, + { 6, 1, 0, 0, -1 }, + + /* 7 bit codewords */ + { 7, 0, 1, -1, 1 }, + { 7, 1, 0, -1, 1 }, + { 7, -1, 1, -1, 0 }, + { 7, 0, -1, 1, -1 }, + { 7, 1, -1, 1, 0 }, + { 7, 1, 1, 0, -1 }, + { 7, 1, 0, 1, 1 }, + { 7, -1, 1, 1, 0 }, + { 7, 0, -1, -1, 1 }, + { 7, 1, 1, 1, 0 }, + { 7, -1, 0, 1, -1 }, + { 7, -1, -1, -1, 0 }, + + /* 7/8 bit codewords */ + { 7, -1, 0, -1, 1 }, { 7, -1, 0, -1, 1 }, + { 7, 1, -1, -1, 0 }, { 7, 1, -1, -1, 0 }, + { 7, 1, 1, -1, 0 }, { 7, 1, 1, -1, 0 }, + { 8, 1, -1, 0, 1 }, + { 8, -1, 1, 0, -1 }, + + /* 8 bit codewords */ + { 8, -1, -1, 1, 0 }, + { 8, -1, 0, 1, 1 }, + { 8, -1, -1, 0, 1 }, + { 8, -1, -1, 0, -1 }, + { 8, 0, -1, -1, -1 }, + { 8, 1, 0, 1, -1 }, + { 8, 1, 0, -1, -1 }, + { 8, 0, 1, -1, -1 }, + { 8, 0, 1, 1, 1 }, + { 8, -1, 1, 0, 1 }, + { 8, -1, 0, -1, -1 }, + { 8, 0, 1, 1, -1 }, + { 8, 1, -1, 0, -1 }, + { 8, 0, -1, 1, 1 }, + { 8, 1, 1, 0, 1 }, + { 8, 1, -1, 1, -1 }, + + /* 8/9 bit codewords */ + { 8, -1, 1, -1, 1 }, { 8, -1, 1, -1, 1 }, + { 9, 1, -1, -1, 1 }, + { 9, -1, -1, -1, -1 }, + { 9, -1, 1, 1, -1 }, + { 9, -1, 1, 1, 1 }, + { 9, 1, 1, 1, 1 }, + { 9, -1, -1, 1, -1 }, + { 9, 1, -1, 1, 1 }, + { 9, -1, 1, -1, -1 }, + { 9, -1, -1, 1, 1 }, + { 9, 1, 1, -1, -1 }, + { 9, 1, -1, -1, -1 }, + { 9, -1, -1, -1, 1 }, + { 9, 1, 1, -1, 1 }, + { 9, 1, 1, 1, -1 } +}; diff --git a/audio_codec/libfaad/codebook/hcb_3.h b/audio_codec/libfaad/codebook/hcb_3.h new file mode 100644 index 0000000..6bcf66c --- a/dev/null +++ b/audio_codec/libfaad/codebook/hcb_3.h @@ -0,0 +1,196 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcb_3.h,v 1.5 2007/11/01 12:34:11 menno Exp $ +**/ + +/* Binary search huffman table HCB_3 */ + + +static hcb_bin_quad hcb3[] = { + { /* 0 */ 0, { 1, 2, 0, 0 } }, + { /* 1 */ 1, { 0, 0, 0, 0 } }, /* 0 */ + { /* 2 */ 0, { 1, 2, 0, 0 } }, + { /* 3 */ 0, { 2, 3, 0, 0 } }, + { /* 4 */ 0, { 3, 4, 0, 0 } }, + { /* 5 */ 0, { 4, 5, 0, 0 } }, + { /* 6 */ 0, { 5, 6, 0, 0 } }, + { /* 7 */ 0, { 6, 7, 0, 0 } }, + { /* 8 */ 0, { 7, 8, 0, 0 } }, + { /* 9 */ 1, { 1, 0, 0, 0 } }, /* 1000 */ + { /* 10 */ 1, { 0, 0, 0, 1 } }, /* 1001 */ + { /* 11 */ 1, { 0, 1, 0, 0 } }, /* 1010 */ + { /* 12 */ 1, { 0, 0, 1, 0 } }, /* 1011 */ + { /* 13 */ 0, { 4, 5, 0, 0 } }, + { /* 14 */ 0, { 5, 6, 0, 0 } }, + { /* 15 */ 0, { 6, 7, 0, 0 } }, + { /* 16 */ 0, { 7, 8, 0, 0 } }, + { /* 17 */ 1, { 1, 1, 0, 0 } }, + { /* 18 */ 1, { 0, 0, 1, 1 } }, + { /* 19 */ 0, { 6, 7, 0, 0 } }, + { /* 20 */ 0, { 7, 8, 0, 0 } }, + { /* 21 */ 0, { 8, 9, 0, 0 } }, + { /* 22 */ 0, { 9, 10, 0, 0 } }, + { /* 23 */ 0, { 10, 11, 0, 0 } }, + { /* 24 */ 0, { 11, 12, 0, 0 } }, + { /* 25 */ 1, { 0, 1, 1, 0 } }, /* 110100 */ + { /* 26 */ 1, { 0, 1, 0, 1 } }, /* 110101 */ + { /* 27 */ 1, { 1, 0, 1, 0 } }, /* 110110 */ + { /* 28 */ 1, { 0, 1, 1, 1 } }, /* 110111 */ + { /* 29 */ 1, { 1, 0, 0, 1 } }, /* 111000 */ + { /* 30 */ 1, { 1, 1, 1, 0 } }, /* 111001 */ + { /* 31 */ 0, { 6, 7, 0, 0 } }, + { /* 32 */ 0, { 7, 8, 0, 0 } }, + { /* 33 */ 0, { 8, 9, 0, 0 } }, + { /* 34 */ 0, { 9, 10, 0, 0 } }, + { /* 35 */ 0, { 10, 11, 0, 0 } }, + { /* 36 */ 0, { 11, 12, 0, 0 } }, + { /* 37 */ 1, { 1, 1, 1, 1 } }, /* 1110100 */ + { /* 38 */ 1, { 1, 0, 1, 1 } }, /* 1110101 */ + { /* 39 */ 1, { 1, 1, 0, 1 } }, /* 1110110 */ + { /* 40 */ 0, { 9, 10, 0, 0 } }, + { /* 41 */ 0, { 10, 11, 0, 0 } }, + { /* 42 */ 0, { 11, 12, 0, 0 } }, + { /* 43 */ 0, { 12, 13, 0, 0 } }, + { /* 44 */ 0, { 13, 14, 0, 0 } }, + { /* 45 */ 0, { 14, 15, 0, 0 } }, + { /* 46 */ 0, { 15, 16, 0, 0 } }, + { /* 47 */ 0, { 16, 17, 0, 0 } }, + { /* 48 */ 0, { 17, 18, 0, 0 } }, + { /* 49 */ 1, { 2, 0, 0, 0 } }, /* 11101110 */ + { /* 50 */ 1, { 0, 0, 0, 2 } }, /* 11101111 */ + { /* 51 */ 1, { 0, 0, 1, 2 } }, /* 11110000 */ + { /* 52 */ 1, { 2, 1, 0, 0 } }, /* 11110001 */ + { /* 53 */ 1, { 1, 2, 1, 0 } }, /* 11110010 */ + { /* 54 */ 0, { 13, 14, 0, 0 } }, + { /* 55 */ 0, { 14, 15, 0, 0 } }, + { /* 56 */ 0, { 15, 16, 0, 0 } }, + { /* 57 */ 0, { 16, 17, 0, 0 } }, + { /* 58 */ 0, { 17, 18, 0, 0 } }, + { /* 59 */ 0, { 18, 19, 0, 0 } }, + { /* 60 */ 0, { 19, 20, 0, 0 } }, + { /* 61 */ 0, { 20, 21, 0, 0 } }, + { /* 62 */ 0, { 21, 22, 0, 0 } }, + { /* 63 */ 0, { 22, 23, 0, 0 } }, + { /* 64 */ 0, { 23, 24, 0, 0 } }, + { /* 65 */ 0, { 24, 25, 0, 0 } }, + { /* 66 */ 0, { 25, 26, 0, 0 } }, + { /* 67 */ 1, { 0, 0, 2, 1 } }, + { /* 68 */ 1, { 0, 1, 2, 1 } }, + { /* 69 */ 1, { 1, 2, 0, 0 } }, + { /* 70 */ 1, { 0, 1, 1, 2 } }, + { /* 71 */ 1, { 2, 1, 1, 0 } }, + { /* 72 */ 1, { 0, 0, 2, 0 } }, + { /* 73 */ 1, { 0, 2, 1, 0 } }, + { /* 74 */ 1, { 0, 1, 2, 0 } }, + { /* 75 */ 1, { 0, 2, 0, 0 } }, + { /* 76 */ 1, { 0, 1, 0, 2 } }, + { /* 77 */ 1, { 2, 0, 1, 0 } }, + { /* 78 */ 1, { 1, 2, 1, 1 } }, + { /* 79 */ 1, { 0, 2, 1, 1 } }, + { /* 80 */ 1, { 1, 1, 2, 0 } }, + { /* 81 */ 1, { 1, 1, 2, 1 } }, + { /* 82 */ 0, { 11, 12, 0, 0 } }, + { /* 83 */ 0, { 12, 13, 0, 0 } }, + { /* 84 */ 0, { 13, 14, 0, 0 } }, + { /* 85 */ 0, { 14, 15, 0, 0 } }, + { /* 86 */ 0, { 15, 16, 0, 0 } }, + { /* 87 */ 0, { 16, 17, 0, 0 } }, + { /* 88 */ 0, { 17, 18, 0, 0 } }, + { /* 89 */ 0, { 18, 19, 0, 0 } }, + { /* 90 */ 0, { 19, 20, 0, 0 } }, + { /* 91 */ 0, { 20, 21, 0, 0 } }, + { /* 92 */ 0, { 21, 22, 0, 0 } }, + { /* 93 */ 1, { 1, 2, 0, 1 } }, /* 1111101010 */ + { /* 94 */ 1, { 1, 0, 2, 0 } }, /* 1111101011 */ + { /* 95 */ 1, { 1, 0, 2, 1 } }, /* 1111101100 */ + { /* 96 */ 1, { 0, 2, 0, 1 } }, /* 1111101101 */ + { /* 97 */ 1, { 2, 1, 1, 1 } }, /* 1111101110 */ + { /* 98 */ 1, { 1, 1, 1, 2 } }, /* 1111101111 */ + { /* 99 */ 1, { 2, 1, 0, 1 } }, /* 1111110000 */ + { /* 00 */ 1, { 1, 0, 1, 2 } }, /* 1111110001 */ + { /* 01 */ 1, { 0, 0, 2, 2 } }, /* 1111110010 */ + { /* 02 */ 1, { 0, 1, 2, 2 } }, /* 1111110011 */ + { /* 03 */ 1, { 2, 2, 1, 0 } }, /* 1111110100 */ + { /* 04 */ 1, { 1, 2, 2, 0 } }, /* 1111110101 */ + { /* 05 */ 1, { 1, 0, 0, 2 } }, /* 1111110110 */ + { /* 06 */ 1, { 2, 0, 0, 1 } }, /* 1111110111 */ + { /* 07 */ 1, { 0, 2, 2, 1 } }, /* 1111111000 */ + { /* 08 */ 0, { 7, 8, 0, 0 } }, + { /* 09 */ 0, { 8, 9, 0, 0 } }, + { /* 10 */ 0, { 9, 10, 0, 0 } }, + { /* 11 */ 0, { 10, 11, 0, 0 } }, + { /* 12 */ 0, { 11, 12, 0, 0 } }, + { /* 13 */ 0, { 12, 13, 0, 0 } }, + { /* 14 */ 0, { 13, 14, 0, 0 } }, + { /* 15 */ 1, { 2, 2, 0, 0 } }, /* 11111110010 */ + { /* 16 */ 1, { 1, 2, 2, 1 } }, /* 11111110011 */ + { /* 17 */ 1, { 1, 1, 0, 2 } }, /* 11111110100 */ + { /* 18 */ 1, { 2, 0, 1, 1 } }, /* 11111110101 */ + { /* 19 */ 1, { 1, 1, 2, 2 } }, /* 11111110110 */ + { /* 20 */ 1, { 2, 2, 1, 1 } }, /* 11111110111 */ + { /* 21 */ 1, { 0, 2, 2, 0 } }, /* 11111111000 */ + { /* 22 */ 1, { 0, 2, 1, 2 } }, /* 11111111001 */ + { /* 23 */ 0, { 6, 7, 0, 0 } }, + { /* 24 */ 0, { 7, 8, 0, 0 } }, + { /* 25 */ 0, { 8, 9, 0, 0 } }, + { /* 26 */ 0, { 9, 10, 0, 0 } }, + { /* 27 */ 0, { 10, 11, 0, 0 } }, + { /* 28 */ 0, { 11, 12, 0, 0 } }, + { /* 29 */ 1, { 1, 0, 2, 2 } }, /* 111111110100 */ + { /* 30 */ 1, { 2, 2, 0, 1 } }, /* 111111110101 */ + { /* 31 */ 1, { 2, 1, 2, 0 } }, /* 111111110110 */ + { /* 32 */ 1, { 2, 2, 2, 0 } }, /* 111111110111 */ + { /* 33 */ 1, { 0, 2, 2, 2 } }, /* 111111111000 */ + { /* 34 */ 1, { 2, 2, 2, 1 } }, /* 111111111001 */ + { /* 35 */ 1, { 2, 1, 2, 1 } }, /* 111111111010 */ + { /* 36 */ 1, { 1, 2, 1, 2 } }, /* 111111111011 */ + { /* 37 */ 1, { 1, 2, 2, 2 } }, /* 111111111100 */ + { /* 38 */ 0, { 3, 4, 0, 0 } }, + { /* 39 */ 0, { 4, 5, 0, 0 } }, + { /* 40 */ 0, { 5, 6, 0, 0 } }, + { /* 41 */ 1, { 0, 2, 0, 2 } }, /* 1111111111010 */ + { /* 42 */ 1, { 2, 0, 2, 0 } }, /* 1111111111011 */ + { /* 43 */ 1, { 1, 2, 0, 2 } }, /* 1111111111100 */ + { /* 44 */ 0, { 3, 4, 0, 0 } }, + { /* 45 */ 0, { 4, 5, 0, 0 } }, + { /* 46 */ 0, { 5, 6, 0, 0 } }, + { /* 47 */ 1, { 2, 0, 2, 1 } }, /* 11111111111010 */ + { /* 48 */ 1, { 2, 1, 1, 2 } }, /* 11111111111011 */ + { /* 49 */ 1, { 2, 1, 0, 2 } }, /* 11111111111100 */ + { /* 50 */ 0, { 3, 4, 0, 0 } }, + { /* 51 */ 0, { 4, 5, 0, 0 } }, + { /* 52 */ 0, { 5, 6, 0, 0 } }, + { /* 53 */ 1, { 2, 2, 2, 2 } }, /* 111111111111010 */ + { /* 54 */ 1, { 2, 2, 1, 2 } }, /* 111111111111011 */ + { /* 55 */ 1, { 2, 1, 2, 2 } }, /* 111111111111100 */ + { /* 56 */ 1, { 2, 0, 1, 2 } }, /* 111111111111101 */ + { /* 57 */ 1, { 2, 0, 0, 2 } }, /* 111111111111110 */ + { /* 58 */ 0, { 1, 2, 0, 0 } }, + { /* 59 */ 1, { 2, 2, 0, 2 } }, /* 1111111111111110 */ + { /* 60 */ 1, { 2, 0, 2, 2 } } /* 1111111111111111 */ +}; diff --git a/audio_codec/libfaad/codebook/hcb_4.h b/audio_codec/libfaad/codebook/hcb_4.h new file mode 100644 index 0000000..0e5e06e --- a/dev/null +++ b/audio_codec/libfaad/codebook/hcb_4.h @@ -0,0 +1,199 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcb_4.h,v 1.5 2007/11/01 12:34:11 menno Exp $ +**/ + +/* 2-step huffman table HCB_4 */ + + +/* 1st step: 5 bits + * 2^5 = 32 entries + * + * Used to find offset into 2nd step table and number of extra bits to get + */ +static hcb hcb4_1[] = { + /* 4 bit codewords */ + { /* 00000 */ 0, 0 }, + { /* */ 0, 0 }, + { /* 00010 */ 1, 0 }, + { /* */ 1, 0 }, + { /* 00100 */ 2, 0 }, + { /* */ 2, 0 }, + { /* 00110 */ 3, 0 }, + { /* */ 3, 0 }, + { /* 01000 */ 4, 0 }, + { /* */ 4, 0 }, + { /* 01010 */ 5, 0 }, + { /* */ 5, 0 }, + { /* 01100 */ 6, 0 }, + { /* */ 6, 0 }, + { /* 01110 */ 7, 0 }, + { /* */ 7, 0 }, + { /* 10000 */ 8, 0 }, + { /* */ 8, 0 }, + { /* 10010 */ 9, 0 }, + { /* */ 9, 0 }, + + /* 5 bit codewords */ + { /* 10100 */ 10, 0 }, + { /* 10101 */ 11, 0 }, + { /* 10110 */ 12, 0 }, + { /* 10111 */ 13, 0 }, + { /* 11000 */ 14, 0 }, + { /* 11001 */ 15, 0 }, + + /* 7 bit codewords */ + { /* 11010 */ 16, 2 }, + { /* 11011 */ 20, 2 }, + + /* 7/8 bit codewords */ + { /* 11100 */ 24, 3 }, + + /* 8 bit codewords */ + { /* 11101 */ 32, 3 }, + + /* 8/9 bit codewords */ + { /* 11110 */ 40, 4 }, + + /* 9/10/11/12 bit codewords */ + { /* 11111 */ 56, 7 } +}; + +/* 2nd step table + * + * Gives size of codeword and actual data (x,y,v,w) + */ +static hcb_2_quad hcb4_2[] = { + /* 4 bit codewords */ + { 4, 1, 1, 1, 1 }, + { 4, 0, 1, 1, 1 }, + { 4, 1, 1, 0, 1 }, + { 4, 1, 1, 1, 0 }, + { 4, 1, 0, 1, 1 }, + { 4, 1, 0, 0, 0 }, + { 4, 1, 1, 0, 0 }, + { 4, 0, 0, 0, 0 }, + { 4, 0, 0, 1, 1 }, + { 4, 1, 0, 1, 0 }, + + /* 5 bit codewords */ + { 5, 1, 0, 0, 1 }, + { 5, 0, 1, 1, 0 }, + { 5, 0, 0, 0, 1 }, + { 5, 0, 1, 0, 1 }, + { 5, 0, 0, 1, 0 }, + { 5, 0, 1, 0, 0 }, + + /* 7 bit codewords */ + /* first 5 bits: 11010 */ + { 7, 2, 1, 1, 1 }, + { 7, 1, 1, 2, 1 }, + { 7, 1, 2, 1, 1 }, + { 7, 1, 1, 1, 2 }, + /* first 5 bits: 11011 */ + { 7, 2, 1, 1, 0 }, + { 7, 2, 1, 0, 1 }, + { 7, 1, 2, 1, 0 }, + { 7, 2, 0, 1, 1 }, + + /* 7/8 bit codewords */ + /* first 5 bits: 11100 */ + { 7, 0, 1, 2, 1 }, { 7, 0, 1, 2, 1 }, + { 8, 0, 1, 1, 2 }, + { 8, 1, 1, 2, 0 }, + { 8, 0, 2, 1, 1 }, + { 8, 1, 0, 1, 2 }, + { 8, 1, 2, 0, 1 }, + { 8, 1, 1, 0, 2 }, + + /* 8 bit codewords */ + { 8, 1, 0, 2, 1 }, + { 8, 2, 1, 0, 0 }, + { 8, 2, 0, 1, 0 }, + { 8, 1, 2, 0, 0 }, + { 8, 2, 0, 0, 1 }, + { 8, 0, 1, 0, 2 }, + { 8, 0, 2, 1, 0 }, + { 8, 0, 0, 1, 2 }, + + /* 8/9 bit codewords */ + { 8, 0, 1, 2, 0 }, { 8, 0, 1, 2, 0 }, + { 8, 0, 2, 0, 1 }, { 8, 0, 2, 0, 1 }, + { 8, 1, 0, 0, 2 }, { 8, 1, 0, 0, 2 }, + { 8, 0, 0, 2, 1 }, { 8, 0, 0, 2, 1 }, + { 8, 1, 0, 2, 0 }, { 8, 1, 0, 2, 0 }, + { 8, 2, 0, 0, 0 }, { 8, 2, 0, 0, 0 }, + { 8, 0, 0, 0, 2 }, { 8, 0, 0, 0, 2 }, + { 9, 0, 2, 0, 0 }, + { 9, 0, 0, 2, 0 }, + + /* 9/10/11 bit codewords */ + /* 9 bit codewords repeated 2^3 = 8 times */ + { 9, 1, 2, 2, 1 }, { 9, 1, 2, 2, 1 }, { 9, 1, 2, 2, 1 }, { 9, 1, 2, 2, 1 }, + { 9, 1, 2, 2, 1 }, { 9, 1, 2, 2, 1 }, { 9, 1, 2, 2, 1 }, { 9, 1, 2, 2, 1 }, + { 9, 2, 2, 1, 1 }, { 9, 2, 2, 1, 1 }, { 9, 2, 2, 1, 1 }, { 9, 2, 2, 1, 1 }, + { 9, 2, 2, 1, 1 }, { 9, 2, 2, 1, 1 }, { 9, 2, 2, 1, 1 }, { 9, 2, 2, 1, 1 }, + { 9, 2, 1, 2, 1 }, { 9, 2, 1, 2, 1 }, { 9, 2, 1, 2, 1 }, { 9, 2, 1, 2, 1 }, + { 9, 2, 1, 2, 1 }, { 9, 2, 1, 2, 1 }, { 9, 2, 1, 2, 1 }, { 9, 2, 1, 2, 1 }, + { 9, 1, 1, 2, 2 }, { 9, 1, 1, 2, 2 }, { 9, 1, 1, 2, 2 }, { 9, 1, 1, 2, 2 }, + { 9, 1, 1, 2, 2 }, { 9, 1, 1, 2, 2 }, { 9, 1, 1, 2, 2 }, { 9, 1, 1, 2, 2 }, + { 9, 1, 2, 1, 2 }, { 9, 1, 2, 1, 2 }, { 9, 1, 2, 1, 2 }, { 9, 1, 2, 1, 2 }, + { 9, 1, 2, 1, 2 }, { 9, 1, 2, 1, 2 }, { 9, 1, 2, 1, 2 }, { 9, 1, 2, 1, 2 }, + { 9, 2, 1, 1, 2 }, { 9, 2, 1, 1, 2 }, { 9, 2, 1, 1, 2 }, { 9, 2, 1, 1, 2 }, + { 9, 2, 1, 1, 2 }, { 9, 2, 1, 1, 2 }, { 9, 2, 1, 1, 2 }, { 9, 2, 1, 1, 2 }, + /* 10 bit codewords repeated 2^2 = 4 times */ + { 10, 1, 2, 2, 0 }, { 10, 1, 2, 2, 0 }, { 10, 1, 2, 2, 0 }, { 10, 1, 2, 2, 0 }, + { 10, 2, 2, 1, 0 }, { 10, 2, 2, 1, 0 }, { 10, 2, 2, 1, 0 }, { 10, 2, 2, 1, 0 }, + { 10, 2, 1, 2, 0 }, { 10, 2, 1, 2, 0 }, { 10, 2, 1, 2, 0 }, { 10, 2, 1, 2, 0 }, + { 10, 0, 2, 2, 1 }, { 10, 0, 2, 2, 1 }, { 10, 0, 2, 2, 1 }, { 10, 0, 2, 2, 1 }, + { 10, 0, 1, 2, 2 }, { 10, 0, 1, 2, 2 }, { 10, 0, 1, 2, 2 }, { 10, 0, 1, 2, 2 }, + { 10, 2, 2, 0, 1 }, { 10, 2, 2, 0, 1 }, { 10, 2, 2, 0, 1 }, { 10, 2, 2, 0, 1 }, + { 10, 0, 2, 1, 2 }, { 10, 0, 2, 1, 2 }, { 10, 0, 2, 1, 2 }, { 10, 0, 2, 1, 2 }, + { 10, 2, 0, 2, 1 }, { 10, 2, 0, 2, 1 }, { 10, 2, 0, 2, 1 }, { 10, 2, 0, 2, 1 }, + { 10, 1, 0, 2, 2 }, { 10, 1, 0, 2, 2 }, { 10, 1, 0, 2, 2 }, { 10, 1, 0, 2, 2 }, + { 10, 2, 2, 2, 1 }, { 10, 2, 2, 2, 1 }, { 10, 2, 2, 2, 1 }, { 10, 2, 2, 2, 1 }, + { 10, 1, 2, 0, 2 }, { 10, 1, 2, 0, 2 }, { 10, 1, 2, 0, 2 }, { 10, 1, 2, 0, 2 }, + { 10, 2, 0, 1, 2 }, { 10, 2, 0, 1, 2 }, { 10, 2, 0, 1, 2 }, { 10, 2, 0, 1, 2 }, + { 10, 2, 1, 0, 2 }, { 10, 2, 1, 0, 2 }, { 10, 2, 1, 0, 2 }, { 10, 2, 1, 0, 2 }, + { 10, 1, 2, 2, 2 }, { 10, 1, 2, 2, 2 }, { 10, 1, 2, 2, 2 }, { 10, 1, 2, 2, 2 }, + /* 11 bit codewords repeated 2^1 = 2 times */ + { 11, 2, 1, 2, 2 }, { 11, 2, 1, 2, 2 }, + { 11, 2, 2, 1, 2 }, { 11, 2, 2, 1, 2 }, + { 11, 0, 2, 2, 0 }, { 11, 0, 2, 2, 0 }, + { 11, 2, 2, 0, 0 }, { 11, 2, 2, 0, 0 }, + { 11, 0, 0, 2, 2 }, { 11, 0, 0, 2, 2 }, + { 11, 2, 0, 2, 0 }, { 11, 2, 0, 2, 0 }, + { 11, 0, 2, 0, 2 }, { 11, 0, 2, 0, 2 }, + { 11, 2, 0, 0, 2 }, { 11, 2, 0, 0, 2 }, + { 11, 2, 2, 2, 2 }, { 11, 2, 2, 2, 2 }, + { 11, 0, 2, 2, 2 }, { 11, 0, 2, 2, 2 }, + { 11, 2, 2, 2, 0 }, { 11, 2, 2, 2, 0 }, + /* 12 bit codewords */ + { 12, 2, 2, 0, 2 }, + { 12, 2, 0, 2, 2 }, +}; diff --git a/audio_codec/libfaad/codebook/hcb_5.h b/audio_codec/libfaad/codebook/hcb_5.h new file mode 100644 index 0000000..f015641 --- a/dev/null +++ b/audio_codec/libfaad/codebook/hcb_5.h @@ -0,0 +1,196 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcb_5.h,v 1.5 2007/11/01 12:34:11 menno Exp $ +**/ + +/* Binary search huffman table HCB_5 */ + + +static hcb_bin_pair hcb5[] = { + { /* 0 */ 0, { 1, 2 } }, + { /* 1 */ 1, { 0, 0 } }, /* 0 */ + { /* 2 */ 0, { 1, 2 } }, + { /* 3 */ 0, { 2, 3 } }, + { /* 4 */ 0, { 3, 4 } }, + { /* 5 */ 0, { 4, 5 } }, + { /* 6 */ 0, { 5, 6 } }, + { /* 7 */ 0, { 6, 7 } }, + { /* 8 */ 0, { 7, 8 } }, + { /* 9 */ 1, { -1, 0 } }, /* 1000 */ + { /* 10 */ 1, { 1, 0 } }, /* 1001 */ + { /* 11 */ 1, { 0, 1 } }, /* 1010 */ + { /* 12 */ 1, { 0, -1 } }, /* 1011 */ + { /* 13 */ 0, { 4, 5 } }, + { /* 14 */ 0, { 5, 6 } }, + { /* 15 */ 0, { 6, 7 } }, + { /* 16 */ 0, { 7, 8 } }, + { /* 17 */ 1, { 1, -1 } }, + { /* 18 */ 1, { -1, 1 } }, + { /* 19 */ 1, { -1, -1 } }, + { /* 20 */ 1, { 1, 1 } }, + { /* 21 */ 0, { 4, 5 } }, + { /* 22 */ 0, { 5, 6 } }, + { /* 23 */ 0, { 6, 7 } }, + { /* 24 */ 0, { 7, 8 } }, + { /* 25 */ 0, { 8, 9 } }, + { /* 26 */ 0, { 9, 10 } }, + { /* 27 */ 0, { 10, 11 } }, + { /* 28 */ 0, { 11, 12 } }, + { /* 29 */ 0, { 12, 13 } }, + { /* 30 */ 0, { 13, 14 } }, + { /* 31 */ 0, { 14, 15 } }, + { /* 32 */ 0, { 15, 16 } }, + { /* 33 */ 1, { -2, 0 } }, + { /* 34 */ 1, { 0, 2 } }, + { /* 35 */ 1, { 2, 0 } }, + { /* 36 */ 1, { 0, -2 } }, + { /* 37 */ 0, { 12, 13 } }, + { /* 38 */ 0, { 13, 14 } }, + { /* 39 */ 0, { 14, 15 } }, + { /* 40 */ 0, { 15, 16 } }, + { /* 41 */ 0, { 16, 17 } }, + { /* 42 */ 0, { 17, 18 } }, + { /* 43 */ 0, { 18, 19 } }, + { /* 44 */ 0, { 19, 20 } }, + { /* 45 */ 0, { 20, 21 } }, + { /* 46 */ 0, { 21, 22 } }, + { /* 47 */ 0, { 22, 23 } }, + { /* 48 */ 0, { 23, 24 } }, + { /* 49 */ 1, { -2, -1 } }, + { /* 50 */ 1, { 2, 1 } }, + { /* 51 */ 1, { -1, -2 } }, + { /* 52 */ 1, { 1, 2 } }, + { /* 53 */ 1, { -2, 1 } }, + { /* 54 */ 1, { 2, -1 } }, + { /* 55 */ 1, { -1, 2 } }, + { /* 56 */ 1, { 1, -2 } }, + { /* 57 */ 1, { -3, 0 } }, + { /* 58 */ 1, { 3, 0 } }, + { /* 59 */ 1, { 0, -3 } }, + { /* 60 */ 1, { 0, 3 } }, + { /* 61 */ 0, { 12, 13 } }, + { /* 62 */ 0, { 13, 14 } }, + { /* 63 */ 0, { 14, 15 } }, + { /* 64 */ 0, { 15, 16 } }, + { /* 65 */ 0, { 16, 17 } }, + { /* 66 */ 0, { 17, 18 } }, + { /* 67 */ 0, { 18, 19 } }, + { /* 68 */ 0, { 19, 20 } }, + { /* 69 */ 0, { 20, 21 } }, + { /* 70 */ 0, { 21, 22 } }, + { /* 71 */ 0, { 22, 23 } }, + { /* 72 */ 0, { 23, 24 } }, + { /* 73 */ 1, { -3, -1 } }, + { /* 74 */ 1, { 1, 3 } }, + { /* 75 */ 1, { 3, 1 } }, + { /* 76 */ 1, { -1, -3 } }, + { /* 77 */ 1, { -3, 1 } }, + { /* 78 */ 1, { 3, -1 } }, + { /* 79 */ 1, { 1, -3 } }, + { /* 80 */ 1, { -1, 3 } }, + { /* 81 */ 1, { -2, 2 } }, + { /* 82 */ 1, { 2, 2 } }, + { /* 83 */ 1, { -2, -2 } }, + { /* 84 */ 1, { 2, -2 } }, + { /* 85 */ 0, { 12, 13 } }, + { /* 86 */ 0, { 13, 14 } }, + { /* 87 */ 0, { 14, 15 } }, + { /* 88 */ 0, { 15, 16 } }, + { /* 89 */ 0, { 16, 17 } }, + { /* 90 */ 0, { 17, 18 } }, + { /* 91 */ 0, { 18, 19 } }, + { /* 92 */ 0, { 19, 20 } }, + { /* 93 */ 0, { 20, 21 } }, + { /* 94 */ 0, { 21, 22 } }, + { /* 95 */ 0, { 22, 23 } }, + { /* 96 */ 0, { 23, 24 } }, + { /* 97 */ 1, { -3, -2 } }, + { /* 98 */ 1, { 3, -2 } }, + { /* 99 */ 1, { -2, 3 } }, + { /* 00 */ 1, { 2, -3 } }, + { /* 01 */ 1, { 3, 2 } }, + { /* 02 */ 1, { 2, 3 } }, + { /* 03 */ 1, { -3, 2 } }, + { /* 04 */ 1, { -2, -3 } }, + { /* 05 */ 1, { 0, -4 } }, + { /* 06 */ 1, { -4, 0 } }, + { /* 07 */ 1, { 4, 1 } }, + { /* 08 */ 1, { 4, 0 } }, + { /* 09 */ 0, { 12, 13 } }, + { /* 10 */ 0, { 13, 14 } }, + { /* 11 */ 0, { 14, 15 } }, + { /* 12 */ 0, { 15, 16 } }, + { /* 13 */ 0, { 16, 17 } }, + { /* 14 */ 0, { 17, 18 } }, + { /* 15 */ 0, { 18, 19 } }, + { /* 16 */ 0, { 19, 20 } }, + { /* 17 */ 0, { 20, 21 } }, + { /* 18 */ 0, { 21, 22 } }, + { /* 19 */ 0, { 22, 23 } }, + { /* 20 */ 0, { 23, 24 } }, + { /* 21 */ 1, { -4, -1 } }, + { /* 22 */ 1, { 0, 4 } }, + { /* 23 */ 1, { 4, -1 } }, + { /* 24 */ 1, { -1, -4 } }, + { /* 25 */ 1, { 1, 4 } }, + { /* 26 */ 1, { -1, 4 } }, + { /* 27 */ 1, { -4, 1 } }, + { /* 28 */ 1, { 1, -4 } }, + { /* 29 */ 1, { 3, -3 } }, + { /* 30 */ 1, { -3, -3 } }, + { /* 31 */ 1, { -3, 3 } }, + { /* 32 */ 1, { -2, 4 } }, + { /* 33 */ 1, { -4, -2 } }, + { /* 34 */ 1, { 4, 2 } }, + { /* 35 */ 1, { 2, -4 } }, + { /* 36 */ 1, { 2, 4 } }, + { /* 37 */ 1, { 3, 3 } }, + { /* 38 */ 1, { -4, 2 } }, + { /* 39 */ 0, { 6, 7 } }, + { /* 40 */ 0, { 7, 8 } }, + { /* 41 */ 0, { 8, 9 } }, + { /* 42 */ 0, { 9, 10 } }, + { /* 43 */ 0, { 10, 11 } }, + { /* 44 */ 0, { 11, 12 } }, + { /* 45 */ 1, { -2, -4 } }, + { /* 46 */ 1, { 4, -2 } }, + { /* 47 */ 1, { 3, -4 } }, + { /* 48 */ 1, { -4, -3 } }, + { /* 49 */ 1, { -4, 3 } }, + { /* 50 */ 1, { 3, 4 } }, + { /* 51 */ 1, { -3, 4 } }, + { /* 52 */ 1, { 4, 3 } }, + { /* 53 */ 1, { 4, -3 } }, + { /* 54 */ 1, { -3, -4 } }, + { /* 55 */ 0, { 2, 3 } }, + { /* 56 */ 0, { 3, 4 } }, + { /* 57 */ 1, { 4, -4 } }, + { /* 58 */ 1, { -4, 4 } }, + { /* 59 */ 1, { 4, 4 } }, + { /* 60 */ 1, { -4, -4 } } +}; diff --git a/audio_codec/libfaad/codebook/hcb_6.h b/audio_codec/libfaad/codebook/hcb_6.h new file mode 100644 index 0000000..dbbaa42 --- a/dev/null +++ b/audio_codec/libfaad/codebook/hcb_6.h @@ -0,0 +1,182 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcb_6.h,v 1.5 2007/11/01 12:34:11 menno Exp $ +**/ + +/* 2-step huffman table HCB_6 */ + + +/* 1st step: 5 bits + * 2^5 = 32 entries + * + * Used to find offset into 2nd step table and number of extra bits to get + */ +static hcb hcb6_1[] = { + /* 4 bit codewords */ + { /* 00000 */ 0, 0 }, + { /* */ 0, 0 }, + { /* 00010 */ 1, 0 }, + { /* */ 1, 0 }, + { /* 00100 */ 2, 0 }, + { /* */ 2, 0 }, + { /* 00110 */ 3, 0 }, + { /* */ 3, 0 }, + { /* 01000 */ 4, 0 }, + { /* */ 4, 0 }, + { /* 01010 */ 5, 0 }, + { /* */ 5, 0 }, + { /* 01100 */ 6, 0 }, + { /* */ 6, 0 }, + { /* 01110 */ 7, 0 }, + { /* */ 7, 0 }, + { /* 10000 */ 8, 0 }, + { /* */ 8, 0 }, + + /* 6 bit codewords */ + { /* 10010 */ 9, 1 }, + { /* 10011 */ 11, 1 }, + { /* 10100 */ 13, 1 }, + { /* 10101 */ 15, 1 }, + { /* 10110 */ 17, 1 }, + { /* 10111 */ 19, 1 }, + { /* 11000 */ 21, 1 }, + { /* 11001 */ 23, 1 }, + + /* 7 bit codewords */ + { /* 11010 */ 25, 2 }, + { /* 11011 */ 29, 2 }, + { /* 11100 */ 33, 2 }, + + /* 7/8 bit codewords */ + { /* 11101 */ 37, 3 }, + + /* 8/9 bit codewords */ + { /* 11110 */ 45, 4 }, + + /* 9/10/11 bit codewords */ + { /* 11111 */ 61, 6 } +}; + +/* 2nd step table + * + * Gives size of codeword and actual data (x,y,v,w) + */ +static hcb_2_pair hcb6_2[] = { + /* 4 bit codewords */ + { 4, 0, 0 }, + { 4, 1, 0 }, + { 4, 0, -1 }, + { 4, 0, 1 }, + { 4, -1, 0 }, + { 4, 1, 1 }, + { 4, -1, 1 }, + { 4, 1, -1 }, + { 4, -1, -1 }, + + /* 6 bit codewords */ + { 6, 2, -1 }, + { 6, 2, 1 }, + { 6, -2, 1 }, + { 6, -2, -1 }, + { 6, -2, 0 }, + { 6, -1, 2 }, + { 6, 2, 0 }, + { 6, 1, -2 }, + { 6, 1, 2 }, + { 6, 0, -2 }, + { 6, -1, -2 }, + { 6, 0, 2 }, + { 6, 2, -2 }, + { 6, -2, 2 }, + { 6, -2, -2 }, + { 6, 2, 2 }, + + /* 7 bit codewords */ + { 7, -3, 1 }, + { 7, 3, 1 }, + { 7, 3, -1 }, + { 7, -1, 3 }, + { 7, -3, -1 }, + { 7, 1, 3 }, + { 7, 1, -3 }, + { 7, -1, -3 }, + { 7, 3, 0 }, + { 7, -3, 0 }, + { 7, 0, -3 }, + { 7, 0, 3 }, + + /* 7/8 bit codewords */ + { 7, 3, 2 }, { 7, 3, 2 }, + { 8, -3, -2 }, + { 8, -2, 3 }, + { 8, 2, 3 }, + { 8, 3, -2 }, + { 8, 2, -3 }, + { 8, -2, -3 }, + + /* 8 bit codewords */ + { 8, -3, 2 }, { 8, -3, 2 }, + { 8, 3, 3 }, { 8, 3, 3 }, + { 9, 3, -3 }, + { 9, -3, -3 }, + { 9, -3, 3 }, + { 9, 1, -4 }, + { 9, -1, -4 }, + { 9, 4, 1 }, + { 9, -4, 1 }, + { 9, -4, -1 }, + { 9, 1, 4 }, + { 9, 4, -1 }, + { 9, -1, 4 }, + { 9, 0, -4 }, + + /* 9/10/11 bit codewords */ + { 9, -4, 2 }, { 9, -4, 2 }, { 9, -4, 2 }, { 9, -4, 2 }, + { 9, -4, -2 }, { 9, -4, -2 }, { 9, -4, -2 }, { 9, -4, -2 }, + { 9, 2, 4 }, { 9, 2, 4 }, { 9, 2, 4 }, { 9, 2, 4 }, + { 9, -2, -4 }, { 9, -2, -4 }, { 9, -2, -4 }, { 9, -2, -4 }, + { 9, -4, 0 }, { 9, -4, 0 }, { 9, -4, 0 }, { 9, -4, 0 }, + { 9, 4, 2 }, { 9, 4, 2 }, { 9, 4, 2 }, { 9, 4, 2 }, + { 9, 4, -2 }, { 9, 4, -2 }, { 9, 4, -2 }, { 9, 4, -2 }, + { 9, -2, 4 }, { 9, -2, 4 }, { 9, -2, 4 }, { 9, -2, 4 }, + { 9, 4, 0 }, { 9, 4, 0 }, { 9, 4, 0 }, { 9, 4, 0 }, + { 9, 2, -4 }, { 9, 2, -4 }, { 9, 2, -4 }, { 9, 2, -4 }, + { 9, 0, 4 }, { 9, 0, 4 }, { 9, 0, 4 }, { 9, 0, 4 }, + { 10, -3, -4 }, { 10, -3, -4 }, + { 10, -3, 4 }, { 10, -3, 4 }, + { 10, 3, -4 }, { 10, 3, -4 }, + { 10, 4, -3 }, { 10, 4, -3 }, + { 10, 3, 4 }, { 10, 3, 4 }, + { 10, 4, 3 }, { 10, 4, 3 }, + { 10, -4, 3 }, { 10, -4, 3 }, + { 10, -4, -3 }, { 10, -4, -3 }, + { 11, 4, 4 }, + { 11, -4, 4 }, + { 11, -4, -4 }, + { 11, 4, -4 } +}; diff --git a/audio_codec/libfaad/codebook/hcb_7.h b/audio_codec/libfaad/codebook/hcb_7.h new file mode 100644 index 0000000..f680693 --- a/dev/null +++ b/audio_codec/libfaad/codebook/hcb_7.h @@ -0,0 +1,162 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcb_7.h,v 1.5 2007/11/01 12:34:11 menno Exp $ +**/ + +/* Binary search huffman table HCB_7 */ + + +static hcb_bin_pair hcb7[] = { + { /* 0 */ 0, { 1, 2 } }, + { /* 1 */ 1, { 0, 0 } }, + { /* 2 */ 0, { 1, 2 } }, + { /* 3 */ 0, { 2, 3 } }, + { /* 4 */ 0, { 3, 4 } }, + { /* 5 */ 1, { 1, 0 } }, + { /* 6 */ 1, { 0, 1 } }, + { /* 7 */ 0, { 2, 3 } }, + { /* 8 */ 0, { 3, 4 } }, + { /* 9 */ 1, { 1, 1 } }, + { /* 10 */ 0, { 3, 4 } }, + { /* 11 */ 0, { 4, 5 } }, + { /* 12 */ 0, { 5, 6 } }, + { /* 13 */ 0, { 6, 7 } }, + { /* 14 */ 0, { 7, 8 } }, + { /* 15 */ 0, { 8, 9 } }, + { /* 16 */ 0, { 9, 10 } }, + { /* 17 */ 0, { 10, 11 } }, + { /* 18 */ 0, { 11, 12 } }, + { /* 19 */ 1, { 2, 1 } }, + { /* 20 */ 1, { 1, 2 } }, + { /* 21 */ 1, { 2, 0 } }, + { /* 22 */ 1, { 0, 2 } }, + { /* 23 */ 0, { 8, 9 } }, + { /* 24 */ 0, { 9, 10 } }, + { /* 25 */ 0, { 10, 11 } }, + { /* 26 */ 0, { 11, 12 } }, + { /* 27 */ 0, { 12, 13 } }, + { /* 28 */ 0, { 13, 14 } }, + { /* 29 */ 0, { 14, 15 } }, + { /* 30 */ 0, { 15, 16 } }, + { /* 31 */ 1, { 3, 1 } }, + { /* 32 */ 1, { 1, 3 } }, + { /* 33 */ 1, { 2, 2 } }, + { /* 34 */ 1, { 3, 0 } }, + { /* 35 */ 1, { 0, 3 } }, + { /* 36 */ 0, { 11, 12 } }, + { /* 37 */ 0, { 12, 13 } }, + { /* 38 */ 0, { 13, 14 } }, + { /* 39 */ 0, { 14, 15 } }, + { /* 40 */ 0, { 15, 16 } }, + { /* 41 */ 0, { 16, 17 } }, + { /* 42 */ 0, { 17, 18 } }, + { /* 43 */ 0, { 18, 19 } }, + { /* 44 */ 0, { 19, 20 } }, + { /* 45 */ 0, { 20, 21 } }, + { /* 46 */ 0, { 21, 22 } }, + { /* 47 */ 1, { 2, 3 } }, + { /* 48 */ 1, { 3, 2 } }, + { /* 49 */ 1, { 1, 4 } }, + { /* 50 */ 1, { 4, 1 } }, + { /* 51 */ 1, { 1, 5 } }, + { /* 52 */ 1, { 5, 1 } }, + { /* 53 */ 1, { 3, 3 } }, + { /* 54 */ 1, { 2, 4 } }, + { /* 55 */ 1, { 0, 4 } }, + { /* 56 */ 1, { 4, 0 } }, + { /* 57 */ 0, { 12, 13 } }, + { /* 58 */ 0, { 13, 14 } }, + { /* 59 */ 0, { 14, 15 } }, + { /* 60 */ 0, { 15, 16 } }, + { /* 61 */ 0, { 16, 17 } }, + { /* 62 */ 0, { 17, 18 } }, + { /* 63 */ 0, { 18, 19 } }, + { /* 64 */ 0, { 19, 20 } }, + { /* 65 */ 0, { 20, 21 } }, + { /* 66 */ 0, { 21, 22 } }, + { /* 67 */ 0, { 22, 23 } }, + { /* 68 */ 0, { 23, 24 } }, + { /* 69 */ 1, { 4, 2 } }, + { /* 70 */ 1, { 2, 5 } }, + { /* 71 */ 1, { 5, 2 } }, + { /* 72 */ 1, { 0, 5 } }, + { /* 73 */ 1, { 6, 1 } }, + { /* 74 */ 1, { 5, 0 } }, + { /* 75 */ 1, { 1, 6 } }, + { /* 76 */ 1, { 4, 3 } }, + { /* 77 */ 1, { 3, 5 } }, + { /* 78 */ 1, { 3, 4 } }, + { /* 79 */ 1, { 5, 3 } }, + { /* 80 */ 1, { 2, 6 } }, + { /* 81 */ 1, { 6, 2 } }, + { /* 82 */ 1, { 1, 7 } }, + { /* 83 */ 0, { 10, 11 } }, + { /* 84 */ 0, { 11, 12 } }, + { /* 85 */ 0, { 12, 13 } }, + { /* 86 */ 0, { 13, 14 } }, + { /* 87 */ 0, { 14, 15 } }, + { /* 88 */ 0, { 15, 16 } }, + { /* 89 */ 0, { 16, 17 } }, + { /* 90 */ 0, { 17, 18 } }, + { /* 91 */ 0, { 18, 19 } }, + { /* 92 */ 0, { 19, 20 } }, + { /* 93 */ 1, { 3, 6 } }, + { /* 94 */ 1, { 0, 6 } }, + { /* 95 */ 1, { 6, 0 } }, + { /* 96 */ 1, { 4, 4 } }, + { /* 97 */ 1, { 7, 1 } }, + { /* 98 */ 1, { 4, 5 } }, + { /* 99 */ 1, { 7, 2 } }, + { /* 00 */ 1, { 5, 4 } }, + { /* 01 */ 1, { 6, 3 } }, + { /* 02 */ 1, { 2, 7 } }, + { /* 03 */ 1, { 7, 3 } }, + { /* 04 */ 1, { 6, 4 } }, + { /* 05 */ 1, { 5, 5 } }, + { /* 06 */ 1, { 4, 6 } }, + { /* 07 */ 1, { 3, 7 } }, + { /* 08 */ 0, { 5, 6 } }, + { /* 09 */ 0, { 6, 7 } }, + { /* 10 */ 0, { 7, 8 } }, + { /* 11 */ 0, { 8, 9 } }, + { /* 12 */ 0, { 9, 10 } }, + { /* 13 */ 1, { 7, 0 } }, + { /* 14 */ 1, { 0, 7 } }, + { /* 15 */ 1, { 6, 5 } }, + { /* 16 */ 1, { 5, 6 } }, + { /* 17 */ 1, { 7, 4 } }, + { /* 18 */ 1, { 4, 7 } }, + { /* 19 */ 1, { 5, 7 } }, + { /* 20 */ 1, { 7, 5 } }, + { /* 21 */ 0, { 2, 3 } }, + { /* 22 */ 0, { 3, 4 } }, + { /* 23 */ 1, { 7, 6 } }, + { /* 24 */ 1, { 6, 6 } }, + { /* 25 */ 1, { 6, 7 } }, + { /* 26 */ 1, { 7, 7 } } +}; diff --git a/audio_codec/libfaad/codebook/hcb_8.h b/audio_codec/libfaad/codebook/hcb_8.h new file mode 100644 index 0000000..751a3ad --- a/dev/null +++ b/audio_codec/libfaad/codebook/hcb_8.h @@ -0,0 +1,173 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcb_8.h,v 1.5 2007/11/01 12:34:11 menno Exp $ +**/ + +/* 2-step huffman table HCB_8 */ + + +/* 1st step: 5 bits + * 2^5 = 32 entries + * + * Used to find offset into 2nd step table and number of extra bits to get + */ +static hcb hcb8_1[] = { + /* 3 bit codeword */ + { /* 00000 */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + { /* */ 0, 0 }, + + /* 4 bit codewords */ + { /* 00100 */ 1, 0 }, + { /* */ 1, 0 }, + { /* 00110 */ 2, 0 }, + { /* */ 2, 0 }, + { /* 01000 */ 3, 0 }, + { /* */ 3, 0 }, + { /* 01010 */ 4, 0 }, + { /* */ 4, 0 }, + { /* 01100 */ 5, 0 }, + { /* */ 5, 0 }, + + /* 5 bit codewords */ + { /* 01110 */ 6, 0 }, + { /* 01111 */ 7, 0 }, + { /* 10000 */ 8, 0 }, + { /* 10001 */ 9, 0 }, + { /* 10010 */ 10, 0 }, + { /* 10011 */ 11, 0 }, + { /* 10100 */ 12, 0 }, + + /* 6 bit codewords */ + { /* 10101 */ 13, 1 }, + { /* 10110 */ 15, 1 }, + { /* 10111 */ 17, 1 }, + { /* 11000 */ 19, 1 }, + { /* 11001 */ 21, 1 }, + + /* 7 bit codewords */ + { /* 11010 */ 23, 2 }, + { /* 11011 */ 27, 2 }, + { /* 11100 */ 31, 2 }, + + /* 7/8 bit codewords */ + { /* 11101 */ 35, 3 }, + + /* 8 bit codewords */ + { /* 11110 */ 43, 3 }, + + /* 8/9/10 bit codewords */ + { /* 11111 */ 51, 5 } +}; + +/* 2nd step table + * + * Gives size of codeword and actual data (x,y,v,w) + */ +static hcb_2_pair hcb8_2[] = { + /* 3 bit codeword */ + { 3, 1, 1 }, + + /* 4 bit codewords */ + { 4, 2, 1 }, + { 4, 1, 0 }, + { 4, 1, 2 }, + { 4, 0, 1 }, + { 4, 2, 2 }, + + /* 5 bit codewords */ + { 5, 0, 0 }, + { 5, 2, 0 }, + { 5, 0, 2 }, + { 5, 3, 1 }, + { 5, 1, 3 }, + { 5, 3, 2 }, + { 5, 2, 3 }, + + /* 6 bit codewords */ + { 6, 3, 3 }, + { 6, 4, 1 }, + { 6, 1, 4 }, + { 6, 4, 2 }, + { 6, 2, 4 }, + { 6, 3, 0 }, + { 6, 0, 3 }, + { 6, 4, 3 }, + { 6, 3, 4 }, + { 6, 5, 2 }, + + /* 7 bit codewords */ + { 7, 5, 1 }, + { 7, 2, 5 }, + { 7, 1, 5 }, + { 7, 5, 3 }, + { 7, 3, 5 }, + { 7, 4, 4 }, + { 7, 5, 4 }, + { 7, 0, 4 }, + { 7, 4, 5 }, + { 7, 4, 0 }, + { 7, 2, 6 }, + { 7, 6, 2 }, + + /* 7/8 bit codewords */ + { 7, 6, 1 }, { 7, 6, 1 }, + { 7, 1, 6 }, { 7, 1, 6 }, + { 8, 3, 6 }, + { 8, 6, 3 }, + { 8, 5, 5 }, + { 8, 5, 0 }, + + /* 8 bit codewords */ + { 8, 6, 4 }, + { 8, 0, 5 }, + { 8, 4, 6 }, + { 8, 7, 1 }, + { 8, 7, 2 }, + { 8, 2, 7 }, + { 8, 6, 5 }, + { 8, 7, 3 }, + + /* 8/9/10 bit codewords */ + { 8, 1, 7 }, { 8, 1, 7 }, { 8, 1, 7 }, { 8, 1, 7 }, + { 8, 5, 6 }, { 8, 5, 6 }, { 8, 5, 6 }, { 8, 5, 6 }, + { 8, 3, 7 }, { 8, 3, 7 }, { 8, 3, 7 }, { 8, 3, 7 }, + { 9, 6, 6 }, { 9, 6, 6 }, + { 9, 7, 4 }, { 9, 7, 4 }, + { 9, 6, 0 }, { 9, 6, 0 }, + { 9, 4, 7 }, { 9, 4, 7 }, + { 9, 0, 6 }, { 9, 0, 6 }, + { 9, 7, 5 }, { 9, 7, 5 }, + { 9, 7, 6 }, { 9, 7, 6 }, + { 9, 6, 7 }, { 9, 6, 7 }, + { 10, 5, 7 }, + { 10, 7, 0 }, + { 10, 0, 7 }, + { 10, 7, 7 } +}; diff --git a/audio_codec/libfaad/codebook/hcb_9.h b/audio_codec/libfaad/codebook/hcb_9.h new file mode 100644 index 0000000..37e3fdc --- a/dev/null +++ b/audio_codec/libfaad/codebook/hcb_9.h @@ -0,0 +1,372 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcb_9.h,v 1.5 2007/11/01 12:34:11 menno Exp $ +**/ + +/* Binary search huffman table HCB_9 */ + + +static hcb_bin_pair hcb9[] = { + { /* 0 */ 0, { 1, 2 } }, + { /* 1 */ 1, { 0, 0 } }, + { /* 2 */ 0, { 1, 2 } }, + { /* 3 */ 0, { 2, 3 } }, + { /* 4 */ 0, { 3, 4 } }, + { /* 5 */ 1, { 1, 0 } }, + { /* 6 */ 1, { 0, 1 } }, + { /* 7 */ 0, { 2, 3 } }, + { /* 8 */ 0, { 3, 4 } }, + { /* 9 */ 1, { 1, 1 } }, + { /* 10 */ 0, { 3, 4 } }, + { /* 11 */ 0, { 4, 5 } }, + { /* 12 */ 0, { 5, 6 } }, + { /* 13 */ 0, { 6, 7 } }, + { /* 14 */ 0, { 7, 8 } }, + { /* 15 */ 0, { 8, 9 } }, + { /* 16 */ 0, { 9, 10 } }, + { /* 17 */ 0, { 10, 11 } }, + { /* 18 */ 0, { 11, 12 } }, + { /* 19 */ 1, { 2, 1 } }, + { /* 20 */ 1, { 1, 2 } }, + { /* 21 */ 1, { 2, 0 } }, + { /* 22 */ 1, { 0, 2 } }, + { /* 23 */ 0, { 8, 9 } }, + { /* 24 */ 0, { 9, 10 } }, + { /* 25 */ 0, { 10, 11 } }, + { /* 26 */ 0, { 11, 12 } }, + { /* 27 */ 0, { 12, 13 } }, + { /* 28 */ 0, { 13, 14 } }, + { /* 29 */ 0, { 14, 15 } }, + { /* 30 */ 0, { 15, 16 } }, + { /* 31 */ 1, { 3, 1 } }, + { /* 32 */ 1, { 2, 2 } }, + { /* 33 */ 1, { 1, 3 } }, + { /* 34 */ 0, { 13, 14 } }, + { /* 35 */ 0, { 14, 15 } }, + { /* 36 */ 0, { 15, 16 } }, + { /* 37 */ 0, { 16, 17 } }, + { /* 38 */ 0, { 17, 18 } }, + { /* 39 */ 0, { 18, 19 } }, + { /* 40 */ 0, { 19, 20 } }, + { /* 41 */ 0, { 20, 21 } }, + { /* 42 */ 0, { 21, 22 } }, + { /* 43 */ 0, { 22, 23 } }, + { /* 44 */ 0, { 23, 24 } }, + { /* 45 */ 0, { 24, 25 } }, + { /* 46 */ 0, { 25, 26 } }, + { /* 47 */ 1, { 3, 0 } }, + { /* 48 */ 1, { 0, 3 } }, + { /* 49 */ 1, { 2, 3 } }, + { /* 50 */ 1, { 3, 2 } }, + { /* 51 */ 1, { 1, 4 } }, + { /* 52 */ 1, { 4, 1 } }, + { /* 53 */ 1, { 2, 4 } }, + { /* 54 */ 1, { 1, 5 } }, + { /* 55 */ 0, { 18, 19 } }, + { /* 56 */ 0, { 19, 20 } }, + { /* 57 */ 0, { 20, 21 } }, + { /* 58 */ 0, { 21, 22 } }, + { /* 59 */ 0, { 22, 23 } }, + { /* 60 */ 0, { 23, 24 } }, + { /* 61 */ 0, { 24, 25 } }, + { /* 62 */ 0, { 25, 26 } }, + { /* 63 */ 0, { 26, 27 } }, + { /* 64 */ 0, { 27, 28 } }, + { /* 65 */ 0, { 28, 29 } }, + { /* 66 */ 0, { 29, 30 } }, + { /* 67 */ 0, { 30, 31 } }, + { /* 68 */ 0, { 31, 32 } }, + { /* 69 */ 0, { 32, 33 } }, + { /* 70 */ 0, { 33, 34 } }, + { /* 71 */ 0, { 34, 35 } }, + { /* 72 */ 0, { 35, 36 } }, + { /* 73 */ 1, { 4, 2 } }, + { /* 74 */ 1, { 3, 3 } }, + { /* 75 */ 1, { 0, 4 } }, + { /* 76 */ 1, { 4, 0 } }, + { /* 77 */ 1, { 5, 1 } }, + { /* 78 */ 1, { 2, 5 } }, + { /* 79 */ 1, { 1, 6 } }, + { /* 80 */ 1, { 3, 4 } }, + { /* 81 */ 1, { 5, 2 } }, + { /* 82 */ 1, { 6, 1 } }, + { /* 83 */ 1, { 4, 3 } }, + { /* 84 */ 0, { 25, 26 } }, + { /* 85 */ 0, { 26, 27 } }, + { /* 86 */ 0, { 27, 28 } }, + { /* 87 */ 0, { 28, 29 } }, + { /* 88 */ 0, { 29, 30 } }, + { /* 89 */ 0, { 30, 31 } }, + { /* 90 */ 0, { 31, 32 } }, + { /* 91 */ 0, { 32, 33 } }, + { /* 92 */ 0, { 33, 34 } }, + { /* 93 */ 0, { 34, 35 } }, + { /* 94 */ 0, { 35, 36 } }, + { /* 95 */ 0, { 36, 37 } }, + { /* 96 */ 0, { 37, 38 } }, + { /* 97 */ 0, { 38, 39 } }, + { /* 98 */ 0, { 39, 40 } }, + { /* 99 */ 0, { 40, 41 } }, + { /* 00 */ 0, { 41, 42 } }, + { /* 01 */ 0, { 42, 43 } }, + { /* 02 */ 0, { 43, 44 } }, + { /* 03 */ 0, { 44, 45 } }, + { /* 04 */ 0, { 45, 46 } }, + { /* 05 */ 0, { 46, 47 } }, + { /* 06 */ 0, { 47, 48 } }, + { /* 07 */ 0, { 48, 49 } }, + { /* 08 */ 0, { 49, 50 } }, + { /* 09 */ 1, { 0, 5 } }, + { /* 10 */ 1, { 2, 6 } }, + { /* 11 */ 1, { 5, 0 } }, + { /* 12 */ 1, { 1, 7 } }, + { /* 13 */ 1, { 3, 5 } }, + { /* 14 */ 1, { 1, 8 } }, + { /* 15 */ 1, { 8, 1 } }, + { /* 16 */ 1, { 4, 4 } }, + { /* 17 */ 1, { 5, 3 } }, + { /* 18 */ 1, { 6, 2 } }, + { /* 19 */ 1, { 7, 1 } }, + { /* 20 */ 1, { 0, 6 } }, + { /* 21 */ 1, { 8, 2 } }, + { /* 22 */ 1, { 2, 8 } }, + { /* 23 */ 1, { 3, 6 } }, + { /* 24 */ 1, { 2, 7 } }, + { /* 25 */ 1, { 4, 5 } }, + { /* 26 */ 1, { 9, 1 } }, + { /* 27 */ 1, { 1, 9 } }, + { /* 28 */ 1, { 7, 2 } }, + { /* 29 */ 0, { 30, 31 } }, + { /* 30 */ 0, { 31, 32 } }, + { /* 31 */ 0, { 32, 33 } }, + { /* 32 */ 0, { 33, 34 } }, + { /* 33 */ 0, { 34, 35 } }, + { /* 34 */ 0, { 35, 36 } }, + { /* 35 */ 0, { 36, 37 } }, + { /* 36 */ 0, { 37, 38 } }, + { /* 37 */ 0, { 38, 39 } }, + { /* 38 */ 0, { 39, 40 } }, + { /* 39 */ 0, { 40, 41 } }, + { /* 40 */ 0, { 41, 42 } }, + { /* 41 */ 0, { 42, 43 } }, + { /* 42 */ 0, { 43, 44 } }, + { /* 43 */ 0, { 44, 45 } }, + { /* 44 */ 0, { 45, 46 } }, + { /* 45 */ 0, { 46, 47 } }, + { /* 46 */ 0, { 47, 48 } }, + { /* 47 */ 0, { 48, 49 } }, + { /* 48 */ 0, { 49, 50 } }, + { /* 49 */ 0, { 50, 51 } }, + { /* 50 */ 0, { 51, 52 } }, + { /* 51 */ 0, { 52, 53 } }, + { /* 52 */ 0, { 53, 54 } }, + { /* 53 */ 0, { 54, 55 } }, + { /* 54 */ 0, { 55, 56 } }, + { /* 55 */ 0, { 56, 57 } }, + { /* 56 */ 0, { 57, 58 } }, + { /* 57 */ 0, { 58, 59 } }, + { /* 58 */ 0, { 59, 60 } }, + { /* 59 */ 1, { 6, 0 } }, + { /* 60 */ 1, { 5, 4 } }, + { /* 61 */ 1, { 6, 3 } }, + { /* 62 */ 1, { 8, 3 } }, + { /* 63 */ 1, { 0, 7 } }, + { /* 64 */ 1, { 9, 2 } }, + { /* 65 */ 1, { 3, 8 } }, + { /* 66 */ 1, { 4, 6 } }, + { /* 67 */ 1, { 3, 7 } }, + { /* 68 */ 1, { 0, 8 } }, + { /* 69 */ 1, { 10, 1 } }, + { /* 70 */ 1, { 6, 4 } }, + { /* 71 */ 1, { 2, 9 } }, + { /* 72 */ 1, { 5, 5 } }, + { /* 73 */ 1, { 8, 0 } }, + { /* 74 */ 1, { 7, 0 } }, + { /* 75 */ 1, { 7, 3 } }, + { /* 76 */ 1, { 10, 2 } }, + { /* 77 */ 1, { 9, 3 } }, + { /* 78 */ 1, { 8, 4 } }, + { /* 79 */ 1, { 1, 10 } }, + { /* 80 */ 1, { 7, 4 } }, + { /* 81 */ 1, { 6, 5 } }, + { /* 82 */ 1, { 5, 6 } }, + { /* 83 */ 1, { 4, 8 } }, + { /* 84 */ 1, { 4, 7 } }, + { /* 85 */ 1, { 3, 9 } }, + { /* 86 */ 1, { 11, 1 } }, + { /* 87 */ 1, { 5, 8 } }, + { /* 88 */ 1, { 9, 0 } }, + { /* 89 */ 1, { 8, 5 } }, + { /* 90 */ 0, { 29, 30 } }, + { /* 91 */ 0, { 30, 31 } }, + { /* 92 */ 0, { 31, 32 } }, + { /* 93 */ 0, { 32, 33 } }, + { /* 94 */ 0, { 33, 34 } }, + { /* 95 */ 0, { 34, 35 } }, + { /* 96 */ 0, { 35, 36 } }, + { /* 97 */ 0, { 36, 37 } }, + { /* 98 */ 0, { 37, 38 } }, + { /* 99 */ 0, { 38, 39 } }, + { /* 00 */ 0, { 39, 40 } }, + { /* 01 */ 0, { 40, 41 } }, + { /* 02 */ 0, { 41, 42 } }, + { /* 03 */ 0, { 42, 43 } }, + { /* 04 */ 0, { 43, 44 } }, + { /* 05 */ 0, { 44, 45 } }, + { /* 06 */ 0, { 45, 46 } }, + { /* 07 */ 0, { 46, 47 } }, + { /* 08 */ 0, { 47, 48 } }, + { /* 09 */ 0, { 48, 49 } }, + { /* 10 */ 0, { 49, 50 } }, + { /* 11 */ 0, { 50, 51 } }, + { /* 12 */ 0, { 51, 52 } }, + { /* 13 */ 0, { 52, 53 } }, + { /* 14 */ 0, { 53, 54 } }, + { /* 15 */ 0, { 54, 55 } }, + { /* 16 */ 0, { 55, 56 } }, + { /* 17 */ 0, { 56, 57 } }, + { /* 18 */ 0, { 57, 58 } }, + { /* 19 */ 1, { 10, 3 } }, + { /* 20 */ 1, { 2, 10 } }, + { /* 21 */ 1, { 0, 9 } }, + { /* 22 */ 1, { 11, 2 } }, + { /* 23 */ 1, { 9, 4 } }, + { /* 24 */ 1, { 6, 6 } }, + { /* 25 */ 1, { 12, 1 } }, + { /* 26 */ 1, { 4, 9 } }, + { /* 27 */ 1, { 8, 6 } }, + { /* 28 */ 1, { 1, 11 } }, + { /* 29 */ 1, { 9, 5 } }, + { /* 30 */ 1, { 10, 4 } }, + { /* 31 */ 1, { 5, 7 } }, + { /* 32 */ 1, { 7, 5 } }, + { /* 33 */ 1, { 2, 11 } }, + { /* 34 */ 1, { 1, 12 } }, + { /* 35 */ 1, { 12, 2 } }, + { /* 36 */ 1, { 11, 3 } }, + { /* 37 */ 1, { 3, 10 } }, + { /* 38 */ 1, { 5, 9 } }, + { /* 39 */ 1, { 6, 7 } }, + { /* 40 */ 1, { 8, 7 } }, + { /* 41 */ 1, { 11, 4 } }, + { /* 42 */ 1, { 0, 10 } }, + { /* 43 */ 1, { 7, 6 } }, + { /* 44 */ 1, { 12, 3 } }, + { /* 45 */ 1, { 10, 0 } }, + { /* 46 */ 1, { 10, 5 } }, + { /* 47 */ 1, { 4, 10 } }, + { /* 48 */ 1, { 6, 8 } }, + { /* 49 */ 1, { 2, 12 } }, + { /* 50 */ 1, { 9, 6 } }, + { /* 51 */ 1, { 9, 7 } }, + { /* 52 */ 1, { 4, 11 } }, + { /* 53 */ 1, { 11, 0 } }, + { /* 54 */ 1, { 6, 9 } }, + { /* 55 */ 1, { 3, 11 } }, + { /* 56 */ 1, { 5, 10 } }, + { /* 57 */ 0, { 20, 21 } }, + { /* 58 */ 0, { 21, 22 } }, + { /* 59 */ 0, { 22, 23 } }, + { /* 60 */ 0, { 23, 24 } }, + { /* 61 */ 0, { 24, 25 } }, + { /* 62 */ 0, { 25, 26 } }, + { /* 63 */ 0, { 26, 27 } }, + { /* 64 */ 0, { 27, 28 } }, + { /* 65 */ 0, { 28, 29 } }, + { /* 66 */ 0, { 29, 30 } }, + { /* 67 */ 0, { 30, 31 } }, + { /* 68 */ 0, { 31, 32 } }, + { /* 69 */ 0, { 32, 33 } }, + { /* 70 */ 0, { 33, 34 } }, + { /* 71 */ 0, { 34, 35 } }, + { /* 72 */ 0, { 35, 36 } }, + { /* 73 */ 0, { 36, 37 } }, + { /* 74 */ 0, { 37, 38 } }, + { /* 75 */ 0, { 38, 39 } }, + { /* 76 */ 0, { 39, 40 } }, + { /* 77 */ 1, { 8, 8 } }, + { /* 78 */ 1, { 7, 8 } }, + { /* 79 */ 1, { 12, 5 } }, + { /* 80 */ 1, { 3, 12 } }, + { /* 81 */ 1, { 11, 5 } }, + { /* 82 */ 1, { 7, 7 } }, + { /* 83 */ 1, { 12, 4 } }, + { /* 84 */ 1, { 11, 6 } }, + { /* 85 */ 1, { 10, 6 } }, + { /* 86 */ 1, { 4, 12 } }, + { /* 87 */ 1, { 7, 9 } }, + { /* 88 */ 1, { 5, 11 } }, + { /* 89 */ 1, { 0, 11 } }, + { /* 90 */ 1, { 12, 6 } }, + { /* 91 */ 1, { 6, 10 } }, + { /* 92 */ 1, { 12, 0 } }, + { /* 93 */ 1, { 10, 7 } }, + { /* 94 */ 1, { 5, 12 } }, + { /* 95 */ 1, { 7, 10 } }, + { /* 96 */ 1, { 9, 8 } }, + { /* 97 */ 1, { 0, 12 } }, + { /* 98 */ 1, { 11, 7 } }, + { /* 99 */ 1, { 8, 9 } }, + { /* 00 */ 1, { 9, 9 } }, + { /* 01 */ 1, { 10, 8 } }, + { /* 02 */ 1, { 7, 11 } }, + { /* 03 */ 1, { 12, 7 } }, + { /* 04 */ 1, { 6, 11 } }, + { /* 05 */ 1, { 8, 11 } }, + { /* 06 */ 1, { 11, 8 } }, + { /* 07 */ 1, { 7, 12 } }, + { /* 08 */ 1, { 6, 12 } }, + { /* 09 */ 0, { 8, 9 } }, + { /* 10 */ 0, { 9, 10 } }, + { /* 11 */ 0, { 10, 11 } }, + { /* 12 */ 0, { 11, 12 } }, + { /* 13 */ 0, { 12, 13 } }, + { /* 14 */ 0, { 13, 14 } }, + { /* 15 */ 0, { 14, 15 } }, + { /* 16 */ 0, { 15, 16 } }, + { /* 17 */ 1, { 8, 10 } }, + { /* 18 */ 1, { 10, 9 } }, + { /* 19 */ 1, { 8, 12 } }, + { /* 20 */ 1, { 9, 10 } }, + { /* 21 */ 1, { 9, 11 } }, + { /* 22 */ 1, { 9, 12 } }, + { /* 23 */ 1, { 10, 11 } }, + { /* 24 */ 1, { 12, 9 } }, + { /* 25 */ 1, { 10, 10 } }, + { /* 26 */ 1, { 11, 9 } }, + { /* 27 */ 1, { 12, 8 } }, + { /* 28 */ 1, { 11, 10 } }, + { /* 29 */ 1, { 12, 10 } }, + { /* 30 */ 1, { 12, 11 } }, + { /* 31 */ 0, { 2, 3 } }, + { /* 32 */ 0, { 3, 4 } }, + { /* 33 */ 1, { 10, 12 } }, + { /* 34 */ 1, { 11, 11 } }, + { /* 35 */ 1, { 11, 12 } }, + { /* 36 */ 1, { 12, 12 } } +}; diff --git a/audio_codec/libfaad/codebook/hcb_sf.h b/audio_codec/libfaad/codebook/hcb_sf.h new file mode 100644 index 0000000..0fc9f59 --- a/dev/null +++ b/audio_codec/libfaad/codebook/hcb_sf.h @@ -0,0 +1,276 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcb_sf.h,v 1.7 2007/11/01 12:34:11 menno Exp $ +**/ + +/* Binary search huffman table HCB_SF */ + + +static uint8_t hcb_sf[][2] = { + { /* 0 */ 1, 2 }, + { /* 1 */ 60, 0 }, + { /* 2 */ 1, 2 }, + { /* 3 */ 2, 3 }, + { /* 4 */ 3, 4 }, + { /* 5 */ 59, 0 }, + { /* 6 */ 3, 4 }, + { /* 7 */ 4, 5 }, + { /* 8 */ 5, 6 }, + { /* 9 */ 61, 0 }, + { /* 10 */ 58, 0 }, + { /* 11 */ 62, 0 }, + { /* 12 */ 3, 4 }, + { /* 13 */ 4, 5 }, + { /* 14 */ 5, 6 }, + { /* 15 */ 57, 0 }, + { /* 16 */ 63, 0 }, + { /* 17 */ 4, 5 }, + { /* 18 */ 5, 6 }, + { /* 19 */ 6, 7 }, + { /* 20 */ 7, 8 }, + { /* 21 */ 56, 0 }, + { /* 22 */ 64, 0 }, + { /* 23 */ 55, 0 }, + { /* 24 */ 65, 0 }, + { /* 25 */ 4, 5 }, + { /* 26 */ 5, 6 }, + { /* 27 */ 6, 7 }, + { /* 28 */ 7, 8 }, + { /* 29 */ 66, 0 }, + { /* 30 */ 54, 0 }, + { /* 31 */ 67, 0 }, + { /* 32 */ 5, 6 }, + { /* 33 */ 6, 7 }, + { /* 34 */ 7, 8 }, + { /* 35 */ 8, 9 }, + { /* 36 */ 9, 10 }, + { /* 37 */ 53, 0 }, + { /* 38 */ 68, 0 }, + { /* 39 */ 52, 0 }, + { /* 40 */ 69, 0 }, + { /* 41 */ 51, 0 }, + { /* 42 */ 5, 6 }, + { /* 43 */ 6, 7 }, + { /* 44 */ 7, 8 }, + { /* 45 */ 8, 9 }, + { /* 46 */ 9, 10 }, + { /* 47 */ 70, 0 }, + { /* 48 */ 50, 0 }, + { /* 49 */ 49, 0 }, + { /* 50 */ 71, 0 }, + { /* 51 */ 6, 7 }, + { /* 52 */ 7, 8 }, + { /* 53 */ 8, 9 }, + { /* 54 */ 9, 10 }, + { /* 55 */ 10, 11 }, + { /* 56 */ 11, 12 }, + { /* 57 */ 72, 0 }, + { /* 58 */ 48, 0 }, + { /* 59 */ 73, 0 }, + { /* 60 */ 47, 0 }, + { /* 61 */ 74, 0 }, + { /* 62 */ 46, 0 }, + { /* 63 */ 6, 7 }, + { /* 64 */ 7, 8 }, + { /* 65 */ 8, 9 }, + { /* 66 */ 9, 10 }, + { /* 67 */ 10, 11 }, + { /* 68 */ 11, 12 }, + { /* 69 */ 76, 0 }, + { /* 70 */ 75, 0 }, + { /* 71 */ 77, 0 }, + { /* 72 */ 78, 0 }, + { /* 73 */ 45, 0 }, + { /* 74 */ 43, 0 }, + { /* 75 */ 6, 7 }, + { /* 76 */ 7, 8 }, + { /* 77 */ 8, 9 }, + { /* 78 */ 9, 10 }, + { /* 79 */ 10, 11 }, + { /* 80 */ 11, 12 }, + { /* 81 */ 44, 0 }, + { /* 82 */ 79, 0 }, + { /* 83 */ 42, 0 }, + { /* 84 */ 41, 0 }, + { /* 85 */ 80, 0 }, + { /* 86 */ 40, 0 }, + { /* 87 */ 6, 7 }, + { /* 88 */ 7, 8 }, + { /* 89 */ 8, 9 }, + { /* 90 */ 9, 10 }, + { /* 91 */ 10, 11 }, + { /* 92 */ 11, 12 }, + { /* 93 */ 81, 0 }, + { /* 94 */ 39, 0 }, + { /* 95 */ 82, 0 }, + { /* 96 */ 38, 0 }, + { /* 97 */ 83, 0 }, + { /* 98 */ 7, 8 }, + { /* 99 */ 8, 9 }, + { /* 00 */ 9, 10 }, + { /* 01 */ 10, 11 }, + { /* 02 */ 11, 12 }, + { /* 03 */ 12, 13 }, + { /* 04 */ 13, 14 }, + { /* 05 */ 37, 0 }, + { /* 06 */ 35, 0 }, + { /* 07 */ 85, 0 }, + { /* 08 */ 33, 0 }, + { /* 09 */ 36, 0 }, + { /* 10 */ 34, 0 }, + { /* 11 */ 84, 0 }, + { /* 12 */ 32, 0 }, + { /* 13 */ 6, 7 }, + { /* 14 */ 7, 8 }, + { /* 15 */ 8, 9 }, + { /* 16 */ 9, 10 }, + { /* 17 */ 10, 11 }, + { /* 18 */ 11, 12 }, + { /* 19 */ 87, 0 }, + { /* 20 */ 89, 0 }, + { /* 21 */ 30, 0 }, + { /* 22 */ 31, 0 }, + { /* 23 */ 8, 9 }, + { /* 24 */ 9, 10 }, + { /* 25 */ 10, 11 }, + { /* 26 */ 11, 12 }, + { /* 27 */ 12, 13 }, + { /* 28 */ 13, 14 }, + { /* 29 */ 14, 15 }, + { /* 30 */ 15, 16 }, + { /* 31 */ 86, 0 }, + { /* 32 */ 29, 0 }, + { /* 33 */ 26, 0 }, + { /* 34 */ 27, 0 }, + { /* 35 */ 28, 0 }, + { /* 36 */ 24, 0 }, + { /* 37 */ 88, 0 }, + { /* 38 */ 9, 10 }, + { /* 39 */ 10, 11 }, + { /* 40 */ 11, 12 }, + { /* 41 */ 12, 13 }, + { /* 42 */ 13, 14 }, + { /* 43 */ 14, 15 }, + { /* 44 */ 15, 16 }, + { /* 45 */ 16, 17 }, + { /* 46 */ 17, 18 }, + { /* 47 */ 25, 0 }, + { /* 48 */ 22, 0 }, + { /* 49 */ 23, 0 }, + { /* 50 */ 15, 16 }, + { /* 51 */ 16, 17 }, + { /* 52 */ 17, 18 }, + { /* 53 */ 18, 19 }, + { /* 54 */ 19, 20 }, + { /* 55 */ 20, 21 }, + { /* 56 */ 21, 22 }, + { /* 57 */ 22, 23 }, + { /* 58 */ 23, 24 }, + { /* 59 */ 24, 25 }, + { /* 60 */ 25, 26 }, + { /* 61 */ 26, 27 }, + { /* 62 */ 27, 28 }, + { /* 63 */ 28, 29 }, + { /* 64 */ 29, 30 }, + { /* 65 */ 90, 0 }, + { /* 66 */ 21, 0 }, + { /* 67 */ 19, 0 }, + { /* 68 */ 3, 0 }, + { /* 69 */ 1, 0 }, + { /* 70 */ 2, 0 }, + { /* 71 */ 0, 0 }, + { /* 72 */ 23, 24 }, + { /* 73 */ 24, 25 }, + { /* 74 */ 25, 26 }, + { /* 75 */ 26, 27 }, + { /* 76 */ 27, 28 }, + { /* 77 */ 28, 29 }, + { /* 78 */ 29, 30 }, + { /* 79 */ 30, 31 }, + { /* 80 */ 31, 32 }, + { /* 81 */ 32, 33 }, + { /* 82 */ 33, 34 }, + { /* 83 */ 34, 35 }, + { /* 84 */ 35, 36 }, + { /* 85 */ 36, 37 }, + { /* 86 */ 37, 38 }, + { /* 87 */ 38, 39 }, + { /* 88 */ 39, 40 }, + { /* 89 */ 40, 41 }, + { /* 90 */ 41, 42 }, + { /* 91 */ 42, 43 }, + { /* 92 */ 43, 44 }, + { /* 93 */ 44, 45 }, + { /* 94 */ 45, 46 }, + { /* 95 */ 98, 0 }, + { /* 96 */ 99, 0 }, + { /* 97 */ 100, 0 }, + { /* 98 */ 101, 0 }, + { /* 99 */ 102, 0 }, + { /* 00 */ 117, 0 }, + { /* 01 */ 97, 0 }, + { /* 02 */ 91, 0 }, + { /* 03 */ 92, 0 }, + { /* 04 */ 93, 0 }, + { /* 05 */ 94, 0 }, + { /* 06 */ 95, 0 }, + { /* 07 */ 96, 0 }, + { /* 08 */ 104, 0 }, + { /* 09 */ 111, 0 }, + { /* 10 */ 112, 0 }, + { /* 11 */ 113, 0 }, + { /* 12 */ 114, 0 }, + { /* 13 */ 115, 0 }, + { /* 14 */ 116, 0 }, + { /* 15 */ 110, 0 }, + { /* 16 */ 105, 0 }, + { /* 17 */ 106, 0 }, + { /* 18 */ 107, 0 }, + { /* 19 */ 108, 0 }, + { /* 20 */ 109, 0 }, + { /* 21 */ 118, 0 }, + { /* 22 */ 6, 0 }, + { /* 23 */ 8, 0 }, + { /* 24 */ 9, 0 }, + { /* 25 */ 10, 0 }, + { /* 26 */ 5, 0 }, + { /* 27 */ 103, 0 }, + { /* 28 */ 120, 0 }, + { /* 29 */ 119, 0 }, + { /* 30 */ 4, 0 }, + { /* 31 */ 7, 0 }, + { /* 32 */ 15, 0 }, + { /* 33 */ 16, 0 }, + { /* 34 */ 18, 0 }, + { /* 35 */ 20, 0 }, + { /* 36 */ 17, 0 }, + { /* 37 */ 11, 0 }, + { /* 38 */ 12, 0 }, + { /* 39 */ 14, 0 }, + { /* 40 */ 13, 0 } +}; diff --git a/audio_codec/libfaad/common.c b/audio_codec/libfaad/common.c new file mode 100644 index 0000000..ef9a03a --- a/dev/null +++ b/audio_codec/libfaad/common.c @@ -0,0 +1,558 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: common.c,v 1.27 2008/03/23 23:03:28 menno Exp $ +**/ + +/* just some common functions that could be used anywhere */ +#include +#include "common.h" +#include "structs.h" + +#include "syntax.h" + + +/* Returns the sample rate index based on the samplerate */ +uint8_t get_sr_index(const uint32_t samplerate) +{ + if (92017 <= samplerate) { + return 0; + } + if (75132 <= samplerate) { + return 1; + } + if (55426 <= samplerate) { + return 2; + } + if (46009 <= samplerate) { + return 3; + } + if (37566 <= samplerate) { + return 4; + } + if (27713 <= samplerate) { + return 5; + } + if (23004 <= samplerate) { + return 6; + } + if (18783 <= samplerate) { + return 7; + } + if (13856 <= samplerate) { + return 8; + } + if (11502 <= samplerate) { + return 9; + } + if (9391 <= samplerate) { + return 10; + } + if (16428320 <= samplerate) { + return 11; + } + + return 11; +} + +/* Returns the sample rate based on the sample rate index */ +uint32_t get_sample_rate(const uint8_t sr_index) +{ + static const uint32_t sample_rates[] = { + 96000, 88200, 64000, 48000, 44100, 32000, + 24000, 22050, 16000, 12000, 11025, 8000 + }; + + if (sr_index < 12) { + return sample_rates[sr_index]; + } + + return 0; +} + +uint8_t max_pred_sfb(const uint8_t sr_index) +{ + static const uint8_t pred_sfb_max[] = { + 33, 33, 38, 40, 40, 40, 41, 41, 37, 37, 37, 34 + }; + + + if (sr_index < 12) { + return pred_sfb_max[sr_index]; + } + + return 0; +} + +uint8_t max_tns_sfb(const uint8_t sr_index, const uint8_t object_type, + const uint8_t is_short) +{ + /* entry for each sampling rate + * 1 Main/LC long window + * 2 Main/LC short window + * 3 SSR long window + * 4 SSR short window + */ + static const uint8_t tns_sbf_max[][4] = { + {31, 9, 28, 7}, /* 96000 */ + {31, 9, 28, 7}, /* 88200 */ + {34, 10, 27, 7}, /* 64000 */ + {40, 14, 26, 6}, /* 48000 */ + {42, 14, 26, 6}, /* 44100 */ + {51, 14, 26, 6}, /* 32000 */ + {46, 14, 29, 7}, /* 24000 */ + {46, 14, 29, 7}, /* 22050 */ + {42, 14, 23, 8}, /* 16000 */ + {42, 14, 23, 8}, /* 12000 */ + {42, 14, 23, 8}, /* 11025 */ + {39, 14, 19, 7}, /* 8000 */ + {39, 14, 19, 7}, /* 7350 */ + {0, 0, 0, 0}, + {0, 0, 0, 0}, + {0, 0, 0, 0} + }; + uint8_t i = 0; + + if (is_short) { + i++; + } + if (object_type == SSR) { + i += 2; + } + + return tns_sbf_max[sr_index][i]; +} + +/* Returns 0 if an object type is decodable, otherwise returns -1 */ +int8_t can_decode_ot(const uint8_t object_type) +{ + switch (object_type) { + case LC: + return 0; + case MAIN: +#ifdef MAIN_DEC + return 0; +#else + return -1; +#endif + case SSR: +#ifdef SSR_DEC + return 0; +#else + return -1; +#endif + case LTP: +#ifdef LTP_DEC + return 0; +#else + return -1; +#endif + + /* ER object types */ +#ifdef ERROR_RESILIENCE + case ER_LC: +#ifdef DRM + case DRM_ER_LC: +#endif + return 0; + case ER_LTP: +#ifdef LTP_DEC + return 0; +#else + return -1; +#endif + case LD: +#ifdef LD_DEC + return 0; +#else + return -1; +#endif +#endif + } + + return -1; +} + +void *faad_malloc(size_t size) +{ +#if 0 // defined(_WIN32) && !defined(_WIN32_WCE) + return _aligned_malloc(size, 16); +#else // #ifdef 0 + return malloc(size); +#endif // #ifdef 0 +} + +/* common free function */ +void faad_free(void *b) +{ +#if 0 // defined(_WIN32) && !defined(_WIN32_WCE) + _aligned_free(b); +#else + free(b); +} +#endif + + static const uint8_t Parity [256] = { // parity + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0 + }; + + static uint32_t __r1 = 1; + static uint32_t __r2 = 1; + + + /* + * This is a simple random number generator with good quality for audio purposes. + * It consists of two polycounters with opposite rotation direction and different + * periods. The periods are coprime, so the total period is the product of both. + * + * ------------------------------------------------------------------------------------------------- + * +-> |31:30:29:28:27:26:25:24:23:22:21:20:19:18:17:16:15:14:13:12:11:10: 9: 8: 7: 6: 5: 4: 3: 2: 1: 0| + * | ------------------------------------------------------------------------------------------------- + * | | | | | | | + * | +--+--+--+-XOR-+--------+ + * | | + * +--------------------------------------------------------------------------------------+ + * + * ------------------------------------------------------------------------------------------------- + * |31:30:29:28:27:26:25:24:23:22:21:20:19:18:17:16:15:14:13:12:11:10: 9: 8: 7: 6: 5: 4: 3: 2: 1: 0| <-+ + * ------------------------------------------------------------------------------------------------- | + * | | | | | + * +--+----XOR----+--+ | + * | | + * +----------------------------------------------------------------------------------------+ + * + * + * The first has an period of 3*5*17*257*65537, the second of 7*47*73*178481, + * which gives a period of 18.410.713.077.675.721.215. The result is the + * XORed values of both generators. + */ + uint32_t ne_rng(uint32_t *__r1, uint32_t *__r2) + { + uint32_t t1, t2, t3, t4; + + t3 = t1 = *__r1; + t4 = t2 = *__r2; // Parity calculation is done via table lookup, this is also available + t1 &= 0xF5; + t2 >>= 25; // on CPUs without parity, can be implemented in C and avoid unpredictable + t1 = Parity [t1]; + t2 &= 0x63; // jumps and slow rotate through the carry flag operations. + t1 <<= 31; + t2 = Parity [t2]; + + return (*__r1 = (t3 >> 1) | t1) ^(*__r2 = (t4 + t4) | t2); + } + + static uint32_t ones32(uint32_t x) + { + x -= ((x >> 1) & 0x55555555); + x = (((x >> 2) & 0x33333333) + (x & 0x33333333)); + x = (((x >> 4) + x) & 0x0f0f0f0f); + x += (x >> 8); + x += (x >> 16); + + return (x & 0x0000003f); + } + + static uint32_t floor_log2(uint32_t x) + { +#if 1 + x |= (x >> 1); + x |= (x >> 2); + x |= (x >> 4); + x |= (x >> 8); + x |= (x >> 16); + + return (ones32(x) - 1); +#else + uint32_t count = 0; + + while (x >>= 1) { + count++; + } + + return count; +#endif + } + + /* returns position of first bit that is not 0 from msb, + * starting count at lsb */ + uint32_t wl_min_lzc(uint32_t x) + { +#if 1 + x |= (x >> 1); + x |= (x >> 2); + x |= (x >> 4); + x |= (x >> 8); + x |= (x >> 16); + + return (ones32(x)); +#else + uint32_t count = 0; + + while (x >>= 1) { + count++; + } + + return (count + 1); +#endif + } + +#ifdef FIXED_POINT + +#define TABLE_BITS 6 + /* just take the maximum number of bits for interpolation */ +#define INTERP_BITS (REAL_BITS-TABLE_BITS) + + static const real_t pow2_tab[] = { + REAL_CONST(1.000000000000000), REAL_CONST(1.010889286051701), REAL_CONST(1.021897148654117), + REAL_CONST(1.033024879021228), REAL_CONST(1.044273782427414), REAL_CONST(1.055645178360557), + REAL_CONST(1.067140400676824), REAL_CONST(1.078760797757120), REAL_CONST(1.090507732665258), + REAL_CONST(1.102382583307841), REAL_CONST(1.114386742595892), REAL_CONST(1.126521618608242), + REAL_CONST(1.138788634756692), REAL_CONST(1.151189229952983), REAL_CONST(1.163724858777578), + REAL_CONST(1.176396991650281), REAL_CONST(1.189207115002721), REAL_CONST(1.202156731452703), + REAL_CONST(1.215247359980469), REAL_CONST(1.228480536106870), REAL_CONST(1.241857812073484), + REAL_CONST(1.255380757024691), REAL_CONST(1.269050957191733), REAL_CONST(1.282870016078778), + REAL_CONST(1.296839554651010), REAL_CONST(1.310961211524764), REAL_CONST(1.325236643159741), + REAL_CONST(1.339667524053303), REAL_CONST(1.354255546936893), REAL_CONST(1.369002422974591), + REAL_CONST(1.383909881963832), REAL_CONST(1.398979672538311), REAL_CONST(1.414213562373095), + REAL_CONST(1.429613338391970), REAL_CONST(1.445180806977047), REAL_CONST(1.460917794180647), + REAL_CONST(1.476826145939499), REAL_CONST(1.492907728291265), REAL_CONST(1.509164427593423), + REAL_CONST(1.525598150744538), REAL_CONST(1.542210825407941), REAL_CONST(1.559004400237837), + REAL_CONST(1.575980845107887), REAL_CONST(1.593142151342267), REAL_CONST(1.610490331949254), + REAL_CONST(1.628027421857348), REAL_CONST(1.645755478153965), REAL_CONST(1.663676580326736), + REAL_CONST(1.681792830507429), REAL_CONST(1.700106353718524), REAL_CONST(1.718619298122478), + REAL_CONST(1.737333835273706), REAL_CONST(1.756252160373300), REAL_CONST(1.775376492526521), + REAL_CONST(1.794709075003107), REAL_CONST(1.814252175500399), REAL_CONST(1.834008086409342), + REAL_CONST(1.853979125083386), REAL_CONST(1.874167634110300), REAL_CONST(1.894575981586966), + REAL_CONST(1.915206561397147), REAL_CONST(1.936061793492294), REAL_CONST(1.957144124175400), + REAL_CONST(1.978456026387951), REAL_CONST(2.000000000000000) + }; + + static const real_t log2_tab[] = { + REAL_CONST(0.000000000000000), REAL_CONST(0.022367813028455), REAL_CONST(0.044394119358453), + REAL_CONST(0.066089190457772), REAL_CONST(0.087462841250339), REAL_CONST(0.108524456778169), + REAL_CONST(0.129283016944966), REAL_CONST(0.149747119504682), REAL_CONST(0.169925001442312), + REAL_CONST(0.189824558880017), REAL_CONST(0.209453365628950), REAL_CONST(0.228818690495881), + REAL_CONST(0.247927513443585), REAL_CONST(0.266786540694901), REAL_CONST(0.285402218862248), + REAL_CONST(0.303780748177103), REAL_CONST(0.321928094887362), REAL_CONST(0.339850002884625), + REAL_CONST(0.357552004618084), REAL_CONST(0.375039431346925), REAL_CONST(0.392317422778760), + REAL_CONST(0.409390936137702), REAL_CONST(0.426264754702098), REAL_CONST(0.442943495848728), + REAL_CONST(0.459431618637297), REAL_CONST(0.475733430966398), REAL_CONST(0.491853096329675), + REAL_CONST(0.507794640198696), REAL_CONST(0.523561956057013), REAL_CONST(0.539158811108031), + REAL_CONST(0.554588851677637), REAL_CONST(0.569855608330948), REAL_CONST(0.584962500721156), + REAL_CONST(0.599912842187128), REAL_CONST(0.614709844115208), REAL_CONST(0.629356620079610), + REAL_CONST(0.643856189774725), REAL_CONST(0.658211482751795), REAL_CONST(0.672425341971496), + REAL_CONST(0.686500527183218), REAL_CONST(0.700439718141092), REAL_CONST(0.714245517666123), + REAL_CONST(0.727920454563199), REAL_CONST(0.741466986401147), REAL_CONST(0.754887502163469), + REAL_CONST(0.768184324776926), REAL_CONST(0.781359713524660), REAL_CONST(0.794415866350106), + REAL_CONST(0.807354922057604), REAL_CONST(0.820178962415188), REAL_CONST(0.832890014164742), + REAL_CONST(0.845490050944375), REAL_CONST(0.857980995127572), REAL_CONST(0.870364719583405), + REAL_CONST(0.882643049361841), REAL_CONST(0.894817763307943), REAL_CONST(0.906890595608519), + REAL_CONST(0.918863237274595), REAL_CONST(0.930737337562886), REAL_CONST(0.942514505339240), + REAL_CONST(0.954196310386875), REAL_CONST(0.965784284662087), REAL_CONST(0.977279923499917), + REAL_CONST(0.988684686772166), REAL_CONST(1.000000000000000) + }; + + real_t pow2_fix(real_t val) + { + uint32_t x1, x2; + uint32_t errcorr; + uint32_t index_frac; + real_t retval; + int32_t whole = (val >> REAL_BITS); + + /* rest = [0..1] */ + int32_t rest = val - (whole << REAL_BITS); + + /* index into pow2_tab */ + int32_t index = rest >> (REAL_BITS - TABLE_BITS); + + + if (val == 0) { + return (1 << REAL_BITS); + } + + /* leave INTERP_BITS bits */ + index_frac = rest >> (REAL_BITS - TABLE_BITS - INTERP_BITS); + index_frac = index_frac & ((1 << INTERP_BITS) - 1); + + if (whole > 0) { + retval = 1 << whole; + } else { + retval = REAL_CONST(1) >> -whole; + } + + x1 = pow2_tab[index & ((1 << TABLE_BITS) - 1)]; + x2 = pow2_tab[(index & ((1 << TABLE_BITS) - 1)) + 1]; + errcorr = ((index_frac * (x2 - x1))) >> INTERP_BITS; + + if (whole > 0) { + retval = retval * (errcorr + x1); + } else { + retval = MUL_R(retval, (errcorr + x1)); + } + + return retval; + } + + int32_t pow2_int(real_t val) + { + uint32_t x1, x2; + uint32_t errcorr; + uint32_t index_frac; + real_t retval; + int32_t whole = (val >> REAL_BITS); + + /* rest = [0..1] */ + int32_t rest = val - (whole << REAL_BITS); + + /* index into pow2_tab */ + int32_t index = rest >> (REAL_BITS - TABLE_BITS); + + + if (val == 0) { + return 1; + } + + /* leave INTERP_BITS bits */ + index_frac = rest >> (REAL_BITS - TABLE_BITS - INTERP_BITS); + index_frac = index_frac & ((1 << INTERP_BITS) - 1); + + if (whole > 0) { + retval = 1 << whole; + } else { + retval = 0; + } + + x1 = pow2_tab[index & ((1 << TABLE_BITS) - 1)]; + x2 = pow2_tab[(index & ((1 << TABLE_BITS) - 1)) + 1]; + errcorr = ((index_frac * (x2 - x1))) >> INTERP_BITS; + + retval = MUL_R(retval, (errcorr + x1)); + + return retval; + } + + /* ld(x) = ld(x*y/y) = ld(x/y) + ld(y), with y=2^N and [1 <= (x/y) < 2] */ + int32_t log2_int(uint32_t val) + { + uint32_t frac; + uint32_t whole = (val); + int32_t exp = 0; + uint32_t index; + uint32_t index_frac; + uint32_t x1, x2; + uint32_t errcorr; + + /* error */ + if (val == 0) { + return -10000; + } + + exp = floor_log2(val); + exp -= REAL_BITS; + + /* frac = [1..2] */ + if (exp >= 0) { + frac = val >> exp; + } else { + frac = val << -exp; + } + + /* index in the log2 table */ + index = frac >> (REAL_BITS - TABLE_BITS); + + /* leftover part for linear interpolation */ + index_frac = frac & ((1 << (REAL_BITS - TABLE_BITS)) - 1); + + /* leave INTERP_BITS bits */ + index_frac = index_frac >> (REAL_BITS - TABLE_BITS - INTERP_BITS); + + x1 = log2_tab[index & ((1 << TABLE_BITS) - 1)]; + x2 = log2_tab[(index & ((1 << TABLE_BITS) - 1)) + 1]; + + /* linear interpolation */ + /* retval = exp + ((index_frac)*x2 + (1-index_frac)*x1) */ + + errcorr = (index_frac * (x2 - x1)) >> INTERP_BITS; + + return ((exp + REAL_BITS) << REAL_BITS) + errcorr + x1; + } + + /* ld(x) = ld(x*y/y) = ld(x/y) + ld(y), with y=2^N and [1 <= (x/y) < 2] */ + real_t log2_fix(uint32_t val) + { + uint32_t frac; + uint32_t whole = (val >> REAL_BITS); + int8_t exp = 0; + uint32_t index; + uint32_t index_frac; + uint32_t x1, x2; + uint32_t errcorr; + + /* error */ + if (val == 0) { + return -100000; + } + + exp = floor_log2(val); + exp -= REAL_BITS; + + /* frac = [1..2] */ + if (exp >= 0) { + frac = val >> exp; + } else { + frac = val << -exp; + } + + /* index in the log2 table */ + index = frac >> (REAL_BITS - TABLE_BITS); + + /* leftover part for linear interpolation */ + index_frac = frac & ((1 << (REAL_BITS - TABLE_BITS)) - 1); + + /* leave INTERP_BITS bits */ + index_frac = index_frac >> (REAL_BITS - TABLE_BITS - INTERP_BITS); + + x1 = log2_tab[index & ((1 << TABLE_BITS) - 1)]; + x2 = log2_tab[(index & ((1 << TABLE_BITS) - 1)) + 1]; + + /* linear interpolation */ + /* retval = exp + ((index_frac)*x2 + (1-index_frac)*x1) */ + + errcorr = (index_frac * (x2 - x1)) >> INTERP_BITS; + + return (exp << REAL_BITS) + errcorr + x1; + } +#endif diff --git a/audio_codec/libfaad/common.h b/audio_codec/libfaad/common.h new file mode 100644 index 0000000..e59f811 --- a/dev/null +++ b/audio_codec/libfaad/common.h @@ -0,0 +1,453 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: common.h,v 1.77 2009/02/05 00:51:03 menno Exp $ +**/ + +#ifndef __COMMON_H__ +#define __COMMON_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef HAVE_CONFIG_H +# include "../config.h" +#endif + +#include "neaacdec.h" +#include + +#define LOG_TAG "FaadDecoder" +#define audio_codec_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define DEBUG audio_codec_print +#define HAVE_MEMCPY 1 +#if 1 +#define INLINE __inline +#else +#define INLINE inline +#endif + +#if 0 //defined(_WIN32) && !defined(_WIN32_WCE) +#define ALIGN __declspec(align(16)) +#else +#define ALIGN +#endif + +#ifndef max +#define max(a, b) (((a) > (b)) ? (a) : (b)) +#endif +#ifndef min +#define min(a, b) (((a) < (b)) ? (a) : (b)) +#endif + + /* COMPILE TIME DEFINITIONS */ + + /* use double precision */ +#define USE_DOUBLE_PRECISION + /* use fixed point reals */ + //#define FIXED_POINT + //#define BIG_IQ_TABLE + + /* Use if target platform has address generators with autoincrement */ + //#define PREFER_POINTERS + +#ifdef _WIN32_WCE +#define FIXED_POINT +#endif + +#ifdef __BFIN__ +#define FIXED_POINT +#endif + +#define ERROR_RESILIENCE + + + /* Allow decoding of MAIN profile AAC */ +#define MAIN_DEC + /* Allow decoding of SSR profile AAC */ + //#define SSR_DEC + /* Allow decoding of LTP profile AAC */ +#define LTP_DEC + /* Allow decoding of LD profile AAC */ +#define LD_DEC + /* Allow decoding of Digital Radio Mondiale (DRM) */ + //#define DRM + //#define DRM_PS + + /* LD can't do without LTP */ +#ifdef LD_DEC +#ifndef ERROR_RESILIENCE +#define ERROR_RESILIENCE +#endif +#ifndef LTP_DEC +#define LTP_DEC +#endif +#endif + +#define ALLOW_SMALL_FRAMELENGTH + + + // Define LC_ONLY_DECODER if you want a pure AAC LC decoder (independant of SBR_DEC and PS_DEC) + //#define LC_ONLY_DECODER +#ifdef LC_ONLY_DECODER +#undef LD_DEC +#undef LTP_DEC +#undef MAIN_DEC +#undef SSR_DEC +#undef DRM +#undef ALLOW_SMALL_FRAMELENGTH +#undef ERROR_RESILIENCE +#endif + //#define DISABLE_SBR +#define SBR_DEC + //#define SBR_LOW_POWER +#define PS_DEC + +#ifdef SBR_LOW_POWER +#undef PS_DEC +#endif + + /* FIXED POINT: No MAIN decoding */ +#ifdef FIXED_POINT +# ifdef MAIN_DEC +# undef MAIN_DEC +# endif +#endif // FIXED_POINT + +#ifdef DRM +# ifndef ALLOW_SMALL_FRAMELENGTH +# define ALLOW_SMALL_FRAMELENGTH +# endif +# undef LD_DEC +# undef LTP_DEC +# undef MAIN_DEC +# undef SSR_DEC +#endif + + +#ifdef FIXED_POINT +#define DIV_R(A, B) (((int64_t)A << REAL_BITS)/B) +#define DIV_C(A, B) (((int64_t)A << COEF_BITS)/B) +#else +#define DIV_R(A, B) ((A)/(B)) +#define DIV_C(A, B) ((A)/(B)) +#endif + +#ifndef SBR_LOW_POWER +#define qmf_t complex_t +#define QMF_RE(A) RE(A) +#define QMF_IM(A) IM(A) +#else +#define qmf_t real_t +#define QMF_RE(A) (A) +#define QMF_IM(A) +#endif + + + /* END COMPILE TIME DEFINITIONS */ + +#if defined(_WIN32) && !defined(__MINGW32__) + +#include + + typedef unsigned __int64 uint64_t; + typedef unsigned __int32 uint32_t; + typedef unsigned __int16 uint16_t; + typedef unsigned __int8 uint8_t; + typedef signed __int64 int64_t; + typedef signed __int32 int32_t; + typedef signed __int16 int16_t; + typedef signed __int8 int8_t; + typedef float float32_t; + + +#else + +#include +#if HAVE_SYS_TYPES_H +# include +#endif +#if HAVE_SYS_STAT_H +# include +#endif +#if STDC_HEADERS +# include +# include +#else +# if HAVE_STDLIB_H +# include +# endif +#endif +#if HAVE_STRING_H +# if !STDC_HEADERS && HAVE_MEMORY_H +# include +# endif +# include +#endif +#if HAVE_STRINGS_H +# include +#endif +#if HAVE_INTTYPES_H +# include +#else +# if HAVE_STDINT_H +# include +# else + /* we need these... */ +#ifndef __TCS__ + //typedef unsigned long long uint64_t; + //typedef signed long long int64_t; +#else + typedef unsigned long uint64_t; + typedef signed long int64_t; +#endif + //typedef unsigned long uint32_t; + typedef unsigned short uint16_t; + typedef unsigned char uint8_t; + //typedef signed long int32_t; + typedef signed short int16_t; + typedef signed char int8_t; +# endif +#endif +#if HAVE_UNISTD_H + //# include +#endif + +#ifndef HAVE_FLOAT32_T + typedef float float32_t; +#endif + +#if STDC_HEADERS +# include +#else +# if !HAVE_STRCHR +# define strchr index +# define strrchr rindex +# endif + char *strchr(), *strrchr(); +# if !HAVE_MEMCPY +# define memcpy(d, s, n) bcopy((s), (d), (n)) +# define memmove(d, s, n) bcopy((s), (d), (n)) +# endif +#endif + +#endif + +#ifdef WORDS_BIGENDIAN +#define ARCH_IS_BIG_ENDIAN +#endif + + /* FIXED_POINT doesn't work with MAIN and SSR yet */ +#ifdef FIXED_POINT +#undef MAIN_DEC +#undef SSR_DEC +#endif + + +#if defined(FIXED_POINT) + +#include "fixed.h" + +#elif defined(USE_DOUBLE_PRECISION) + + typedef double real_t; + +#include + +#define MUL_R(A,B) ((A)*(B)) +#define MUL_C(A,B) ((A)*(B)) +#define MUL_F(A,B) ((A)*(B)) + + /* Complex multiplication */ + static INLINE void ComplexMult(real_t *y1, real_t *y2, + real_t x1, real_t x2, real_t c1, real_t c2) + { + *y1 = MUL_F(x1, c1) + MUL_F(x2, c2); + *y2 = MUL_F(x2, c1) - MUL_F(x1, c2); + } + +#define REAL_CONST(A) ((real_t)(A)) +#define COEF_CONST(A) ((real_t)(A)) +#define Q2_CONST(A) ((real_t)(A)) +#define FRAC_CONST(A) ((real_t)(A)) /* pure fractional part */ + +#else /* Normal floating point operation */ + + typedef float real_t; + +#define MUL_R(A,B) ((A)*(B)) +#define MUL_C(A,B) ((A)*(B)) +#define MUL_F(A,B) ((A)*(B)) + +#define REAL_CONST(A) ((real_t)(A)) +#define COEF_CONST(A) ((real_t)(A)) +#define Q2_CONST(A) ((real_t)(A)) +#define FRAC_CONST(A) ((real_t)(A)) /* pure fractional part */ + + /* Complex multiplication */ + static INLINE void ComplexMult(real_t *y1, real_t *y2, + real_t x1, real_t x2, real_t c1, real_t c2) + { + *y1 = MUL_F(x1, c1) + MUL_F(x2, c2); + *y2 = MUL_F(x2, c1) - MUL_F(x1, c2); + } + + +#if defined(_WIN32) && !defined(__MINGW32__) +#define HAS_LRINTF + static INLINE int lrintf(float f) + { + int i; + __asm { + fld f + fistp i + } + return i; + } +#elif (defined(__i386__) && defined(__GNUC__) && \ + !defined(__CYGWIN__) && !defined(__MINGW32__)) +#ifndef HAVE_LRINTF +#define HAS_LRINTF + // from http://www.stereopsis.com/FPU.html + static INLINE int lrintf(float f) + { + int i; + __asm__ __volatile__( + "flds %1 \n\t" + "fistpl %0 \n\t" + : "=m"(i) + : "m"(f)); + return i; + } +#endif /* HAVE_LRINTF */ +#endif + + +#ifdef __ICL /* only Intel C compiler has fmath ??? */ + +#include + +#define sin sinf +#define cos cosf +#define log logf +#define floor floorf +#define ceil ceilf +#define sqrt sqrtf + +#else + +#ifdef HAVE_LRINTF +# define HAS_LRINTF +# define _ISOC9X_SOURCE 1 +# define _ISOC99_SOURCE 1 +# define __USE_ISOC9X 1 +# define __USE_ISOC99 1 +#endif + +#include + +#ifdef HAVE_SINF +# define sin sinf +#error +#endif +#ifdef HAVE_COSF +# define cos cosf +#endif +#ifdef HAVE_LOGF +# define log logf +#endif +#ifdef HAVE_EXPF +# define exp expf +#endif +#ifdef HAVE_FLOORF +# define floor floorf +#endif +#ifdef HAVE_CEILF +# define ceil ceilf +#endif +#ifdef HAVE_SQRTF +# define sqrt sqrtf +#endif + +#endif + +#endif + +#ifndef HAS_LRINTF + /* standard cast */ +#define lrintf(f) ((int32_t)(f)) +#endif + + typedef real_t complex_t[2]; +#define RE(A) A[0] +#define IM(A) A[1] + + + /* common functions */ + uint8_t cpu_has_sse(void); + uint32_t ne_rng(uint32_t *__r1, uint32_t *__r2); + uint32_t wl_min_lzc(uint32_t x); +#ifdef FIXED_POINT +#define LOG2_MIN_INF REAL_CONST(-10000) + int32_t log2_int(uint32_t val); + int32_t log2_fix(uint32_t val); + int32_t pow2_int(real_t val); + real_t pow2_fix(real_t val); +#endif + uint8_t get_sr_index(const uint32_t samplerate); + uint8_t max_pred_sfb(const uint8_t sr_index); + uint8_t max_tns_sfb(const uint8_t sr_index, const uint8_t object_type, + const uint8_t is_short); + uint32_t get_sample_rate(const uint8_t sr_index); + int8_t can_decode_ot(const uint8_t object_type); + + void *faad_malloc(size_t size); + void faad_free(void *b); + + //#define PROFILE +#ifdef PROFILE + static int64_t faad_get_ts() + { + __asm { + rdtsc + } + } +#endif + +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif +#ifndef M_PI_2 /* PI/2 */ +#define M_PI_2 1.57079632679489661923 +#endif + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/decoder.c b/audio_codec/libfaad/decoder.c new file mode 100644 index 0000000..88edad5 --- a/dev/null +++ b/audio_codec/libfaad/decoder.c @@ -0,0 +1,2266 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: decoder.c,v 1.117 2009/02/05 00:51:03 menno Exp $ +**/ + +#include "common.h" +#include "structs.h" + +#include +#include +#include +#include + +#include "mp4.h" +#include "syntax.h" +#include "error.h" +#include "output.h" +#include "filtbank.h" +#include "drc.h" +#ifdef SBR_DEC +#include "sbr_dec.h" +#include "sbr_syntax.h" +#endif +#ifdef SSR_DEC +#include "ssr.h" +#include "ssr_fb.h" +#endif + +#ifdef USE_HELIX_AAC_DECODER +#include "aaccommon.h" +#include "aacdec.h" +int AACDataSource = 1; +static HAACDecoder hAACDecoder; +static short dec_buffer[1024 * 6 * 2]; +static short output_buffer[1024 * 2 * 2]; +static int adts_sample_rates[] = {96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350, 0, 0, 0}; + +static int FindAdtsSRIndex(int sr) +{ + int i; + + for (i = 0; i < 16; i++) { + if (sr == adts_sample_rates[i]) { + return i; + } + } + return 16 - 1; +} +static void MakeAdtsHeader(NeAACDecFrameInfo *hInfo, unsigned char *adts_header, int channel) +{ + unsigned char *data; + int old_format = 0; + int profile = hInfo->object_type; + if (profile == 5) { //sbr + profile = 2; + } + profile = (profile - 1) & 0x3; + int sr_index = ((hInfo->sbr == SBR_UPSAMPLED) || (hInfo->sbr == NO_SBR_UPSAMPLED)) ? + FindAdtsSRIndex(hInfo->samplerate / 2) : FindAdtsSRIndex(hInfo->samplerate); + int skip = (old_format) ? 8 : 7; + int framesize = skip + hInfo->bytesconsumed; + + if (hInfo->header_type == ADTS) { + framesize -= skip; + } + + // audio_codec_print("MakeAdtsHeader profile %d ,ch %d,sr_index %d\n",profile,channel,sr_index); + + data = adts_header; + memset(data, 0, 7 * sizeof(unsigned char)); + + data[0] += 0xFF; /* 8b: syncword */ + + data[1] += 0xF0; /* 4b: syncword */ + /* 1b: mpeg id = 0 */ + /* 2b: layer = 0 */ + data[1] += 1; /* 1b: protection absent */ + + data[2] += ((profile << 6) & 0xC0); /* 2b: profile */ + data[2] += ((sr_index << 2) & 0x3C); /* 4b: sampling_frequency_index */ + /* 1b: private = 0 */ + data[2] += ((channel >> 2) & 0x1); /* 1b: channel_configuration */ + + data[3] += ((channel << 6) & 0xC0); /* 2b: channel_configuration */ + /* 1b: original */ + /* 1b: home */ + /* 1b: copyright_id */ + /* 1b: copyright_id_start */ + data[3] += ((framesize >> 11) & 0x3); /* 2b: aac_frame_length */ + + data[4] += ((framesize >> 3) & 0xFF); /* 8b: aac_frame_length */ + + data[5] += ((framesize << 5) & 0xE0); /* 3b: aac_frame_length */ + data[5] += ((0x7FF >> 6) & 0x1F); /* 5b: adts_buffer_fullness */ + + data[6] += ((0x7FF << 2) & 0x3F); /* 6b: adts_buffer_fullness */ + /* 2b: num_raw_data_blocks */ + +} +#endif + +#ifdef ANALYSIS +uint16_t dbg_count; +#endif + +#define faad_log_info audio_codec_print + + +#ifdef NEW_CODE_CHECK_LATM +static unsigned char temp_bufer[200 * 1024]; +static int temp_size = 0; +#define LATM_LOG audio_codec_print +static const int pi_sample_rates[16] = { + 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, + 16000, 12000, 11025, 8000, 7350, 0, 0, 0 +}; +static int LOASSyncInfo(uint8_t p_header[LOAS_HEADER_SIZE], unsigned int *pi_header_size) +{ + *pi_header_size = 3; + return ((p_header[1] & 0x1f) << 8) + p_header[2]; +} + +static int Mpeg4GAProgramConfigElement(bitfile *ld,mpeg4_cfg_t *p_cfg) +{ + /* TODO compute channels count ? */ + int i_tag = faad_getbits(ld, 4); + //if (i_tag != 0x05) { + // return -1; + //} + faad_getbits(ld, 2 + 4); // object type + sampling index + int i_num_front = faad_getbits(ld, 4); + int i_num_side = faad_getbits(ld, 4); + int i_num_back = faad_getbits(ld, 4); + int i_num_lfe = faad_getbits(ld, 2); + int i_num_assoc_data = faad_getbits(ld, 3); + int i_num_valid_cc = faad_getbits(ld, 4); + int i,tmp; + if (faad_getbits(ld, 1)) { + faad_getbits(ld, 4); // mono downmix + } + if (faad_getbits(ld, 1)) { + faad_getbits(ld, 4); // stereo downmix + } + if (faad_getbits(ld, 1)) { + faad_getbits(ld, 2 + 1); // matrix downmix + pseudo_surround + } + + for (i = 0; i < i_num_front; i++) { + tmp = faad_get1bit(ld DEBUGVAR(1, 26, "program_config_element(): front_element_is_cpe")); + faad_getbits(ld, 4 DEBUGVAR(1, 27, "program_config_element(): front_element_tag_select")); + + if (tmp & 1) { + p_cfg->i_channel += 2; + } else { + p_cfg->i_channel++; + } + } + + for (i = 0; i < i_num_side; i++) { + tmp = faad_get1bit(ld DEBUGVAR(1, 28, "program_config_element(): side_element_is_cpe")); + faad_getbits(ld, 4 DEBUGVAR(1, 29, "program_config_element(): side_element_tag_select")); + + if (tmp & 1) { + p_cfg->i_channel += 2; + } else { + p_cfg->i_channel++; + } + } + + for (i = 0; i < i_num_back; i++) { + tmp = faad_get1bit(ld DEBUGVAR(1, 30, "program_config_element(): back_element_is_cpe")); + faad_getbits(ld, 4 DEBUGVAR(1, 31, "program_config_element(): back_element_tag_select")); + + if (tmp & 1) { + p_cfg->i_channel += 2; + } else { + p_cfg->i_channel++; + } + } + + for (i = 0; i < i_num_lfe; i++) { + tmp = (uint8_t)faad_getbits(ld, 4 DEBUGVAR(1, 32, "program_config_element(): lfe_element_tag_select")); + p_cfg->i_channel++; + } + + for (i = 0; i < i_num_assoc_data; i++) + faad_getbits(ld, 4 DEBUGVAR(1, 33, "program_config_element(): assoc_data_element_tag_select")); + + for (i = 0; i < i_num_valid_cc; i++) { + faad_get1bit(ld DEBUGVAR(1, 34, "program_config_element(): cc_element_is_ind_sw")); + faad_getbits(ld, 4 DEBUGVAR(1, 35, "program_config_element(): valid_cc_element_tag_select")); + } + faad_byte_align(ld); + int i_comment = faad_getbits(ld, 8); + faad_getbits(ld, i_comment * 8); + return 0; +} + +static int Mpeg4GASpecificConfig(mpeg4_cfg_t *p_cfg, bitfile *ld) +{ + p_cfg->i_frame_length = faad_getbits(ld, 1) ? 960 : 1024; + + if (faad_getbits(ld, 1)) { // depend on core coder + faad_getbits(ld, 14); // core coder delay + } + + int i_extension_flag = faad_getbits(ld, 1); + if (p_cfg->i_channel == 0) { + Mpeg4GAProgramConfigElement(ld,p_cfg); + } + if (p_cfg->i_object_type == 6 || p_cfg->i_object_type == 20) { + faad_getbits(ld, 3); // layer + } + + if (i_extension_flag) { + if (p_cfg->i_object_type == 22) { + faad_getbits(ld, 5 + 11); // numOfSubFrame + layer length + } + if (p_cfg->i_object_type == 17 || p_cfg->i_object_type == 19 || + p_cfg->i_object_type == 20 || p_cfg->i_object_type == 23) { + faad_getbits(ld, 1 + 1 + 1); // ER data : section scale spectral */ + } + if (faad_getbits(ld, 1)) { // extension 3 + LATM_LOG("Mpeg4GASpecificConfig: error 1\n"); + } + } + return 0; +} + +static int Mpeg4ReadAudioObjectType(bitfile *ld) +{ + int i_type = faad_getbits(ld, 5); + if (i_type == 31) { + i_type = 32 + faad_getbits(ld, 6); + } + return i_type; +} + +static int Mpeg4ReadAudioSamplerate(bitfile *ld) +{ + int i_index = faad_getbits(ld, 4); + if (i_index != 0x0f) { + return pi_sample_rates[i_index]; + } + return faad_getbits(ld, 24); +} + +static int Mpeg4ReadAudioSpecificInfo(mpeg4_cfg_t *p_cfg, int *pi_extra, uint8_t *p_extra, bitfile *ld, int i_max_size) +{ +#if 0 + static const char *ppsz_otype[] = { + "NULL", + "AAC Main", "AAC LC", "AAC SSR", "AAC LTP", "SBR", "AAC Scalable", + "TwinVQ", + "CELP", "HVXC", + "Reserved", "Reserved", + "TTSI", + "Main Synthetic", "Wavetables Synthesis", "General MIDI", + "Algorithmic Synthesis and Audio FX", + "ER AAC LC", + "Reserved", + "ER AAC LTP", "ER AAC Scalable", "ER TwinVQ", "ER BSAC", "ER AAC LD", + "ER CELP", "ER HVXC", "ER HILN", "ER Parametric", + "SSC", + "PS", "Reserved", "Escape", + "Layer 1", "Layer 2", "Layer 3", + "DST", + }; +#endif + const int i_pos_start = faad_get_processed_bits(ld); + bitfile s_sav = *ld; + int i_bits; + int i; + + memset(p_cfg, 0, sizeof(*p_cfg)); + *pi_extra = 0; + + p_cfg->i_object_type = Mpeg4ReadAudioObjectType(ld); + p_cfg->i_samplerate = Mpeg4ReadAudioSamplerate(ld); + + p_cfg->i_channel = faad_getbits(ld, 4); + if (p_cfg->i_channel == 7) { + p_cfg->i_channel = 8; // 7.1 + } else if (p_cfg->i_channel >= 8) { + p_cfg->i_channel = -1; + } + + p_cfg->i_sbr = -1; + p_cfg->i_ps = -1; + p_cfg->extension.i_object_type = 0; + p_cfg->extension.i_samplerate = 0; + if (p_cfg->i_object_type == 5 || (p_cfg->i_object_type == 29/*&&(faad_showbits(ld, 3) & 0x03 && !(faad_showbits(ld, 9) & 0x3F))*/)) { + p_cfg->i_sbr = 1; + if (p_cfg->i_object_type == 29) { + p_cfg->i_ps = 1; + } + p_cfg->extension.i_object_type = 5; + p_cfg->extension.i_samplerate = Mpeg4ReadAudioSamplerate(ld); + + p_cfg->i_object_type = Mpeg4ReadAudioObjectType(ld); + } + + switch (p_cfg->i_object_type) { + case 1: + case 2: + case 3: + case 4: + case 6: + case 7: + case 17: + case 19: + case 20: + case 21: + case 22: + case 23: + Mpeg4GASpecificConfig(p_cfg, ld); + break; + case 8: + // CelpSpecificConfig(); + break; + case 9: + // HvxcSpecificConfig(); + break; + case 12: + // TTSSSpecificConfig(); + break; + case 13: + case 14: + case 15: + case 16: + // StructuredAudioSpecificConfig(); + break; + case 24: + // ERCelpSpecificConfig(); + break; + case 25: + // ERHvxcSpecificConfig(); + break; + case 26: + case 27: + // ParametricSpecificConfig(); + break; + case 28: + // SSCSpecificConfig(); + break; + case 32: + case 33: + case 34: + // MPEG_1_2_SpecificConfig(); + break; + case 35: + // DSTSpecificConfig(); + break; + case 36: + // ALSSpecificConfig(); + break; + default: + // error + break; + } + switch (p_cfg->i_object_type) { + case 17: + case 19: + case 20: + case 21: + case 22: + case 23: + case 24: + case 25: + case 26: + case 27: { + int epConfig = faad_getbits(ld, 2); + if (epConfig == 2 || epConfig == 3) + //ErrorProtectionSpecificConfig(); + if (epConfig == 3) + if (faad_getbits(ld, 1)) { + // TODO : directMapping + } + break; + } + default: + break; + } + + if (p_cfg->extension.i_object_type != 5 && i_max_size > 0 && i_max_size - (faad_get_processed_bits(ld) - i_pos_start) >= 16 && + faad_getbits(ld, 11) == 0x2b7) { + p_cfg->extension.i_object_type = Mpeg4ReadAudioObjectType(ld); + if (p_cfg->extension.i_object_type == 5) { + p_cfg->i_sbr = faad_getbits(ld, 1); + if (p_cfg->i_sbr == 1) { + p_cfg->extension.i_samplerate = Mpeg4ReadAudioSamplerate(ld); + if (i_max_size > 0 && i_max_size - (faad_get_processed_bits(ld) - i_pos_start) >= 12 && faad_getbits(ld, 11) == 0x548) { + p_cfg->i_ps = faad_getbits(ld, 1); + } + } + } + } + + //fprintf(stderr, "Mpeg4ReadAudioSpecificInfo: t=%s(%d)f=%d c=%d sbr=%d\n", + // ppsz_otype[p_cfg->i_object_type], p_cfg->i_object_type, p_cfg->i_samplerate, p_cfg->i_channel, p_cfg->i_sbr); + + i_bits = faad_get_processed_bits(ld) - i_pos_start; + + *pi_extra = min((i_bits + 7) / 8, LATM_MAX_EXTRA_SIZE); + for (i = 0; i < *pi_extra; i++) { + const int i_read = min(8, i_bits - 8 * i); + p_extra[i] = faad_getbits(&s_sav, i_read) << (8 - i_read); + } + return i_bits; +} + +static int LatmGetValue(bitfile *ld) +{ + int i_bytes = faad_getbits(ld, 2); + int v = 0; + int i; + for (i = 0; i < i_bytes; i++) { + v = (v << 8) + faad_getbits(ld, 8); + } + + return v; +} + +static int LatmReadStreamMuxConfiguration(latm_mux_t *m, bitfile *ld) +{ + int i_mux_version; + int i_mux_versionA; + + i_mux_version = faad_getbits(ld, 1); + i_mux_versionA = 0; + if (i_mux_version) { + i_mux_versionA = faad_getbits(ld, 1); + } + + if (i_mux_versionA != 0) { /* support only A=0 */ + return -1; + } + + memset(m, 0, sizeof(*m)); + + if (i_mux_versionA == 0) + if (i_mux_version == 1) { + LatmGetValue(ld); /* taraBufferFullness */ + } + + m->b_same_time_framing = faad_getbits(ld, 1); + m->i_sub_frames = 1 + faad_getbits(ld, 6); + m->i_programs = 1 + faad_getbits(ld, 4); + if (m->i_programs > 1) { + return -1; + } + int i_program; + for (i_program = 0; i_program < m->i_programs; i_program++) { + m->pi_layers[i_program] = 1 + faad_getbits(ld, 3); + if (m->pi_layers[0] > 1) { + return -1; + } + int i_layer; + for (i_layer = 0; i_layer < m->pi_layers[i_program]; i_layer++) { + latm_stream_t *st = &m->stream[m->i_streams]; + unsigned char b_previous_cfg; + + m->pi_stream[i_program][i_layer] = m->i_streams; + st->i_program = i_program; + st->i_layer = i_layer; + + b_previous_cfg = 0; + if (i_program != 0 || i_layer != 0) { + b_previous_cfg = faad_getbits(ld, 1); + } + + if (b_previous_cfg) { + if (m->i_streams <= 0) { + LATM_LOG("assert failed \n"); + while (1) { + ; + } + } + st->cfg = m->stream[m->i_streams - 1].cfg; + } else { + int i_cfg_size = 0; + if (i_mux_version == 1) { + i_cfg_size = LatmGetValue(ld); + } + i_cfg_size -= Mpeg4ReadAudioSpecificInfo(&st->cfg, &st->i_extra, st->extra, ld, i_cfg_size); + if (i_cfg_size > 0) { + faad_flushbits(ld, i_cfg_size); + } + } + + st->i_frame_length_type = faad_getbits(ld, 3); + switch (st->i_frame_length_type) { + case 0: { + faad_flushbits(ld, 8); /* latmBufferFullnes */ + if (!m->b_same_time_framing) + if (st->cfg.i_object_type == 6 || st->cfg.i_object_type == 20 || + st->cfg.i_object_type == 8 || st->cfg.i_object_type == 24) { + faad_flushbits(ld, 6); /* eFrameOffset */ + } + break; + } + case 1: + st->i_frame_length = faad_getbits(ld, 9); + break; + case 3: + case 4: + case 5: + st->i_frame_length_index = faad_getbits(ld, 6); // celp + break; + case 6: + case 7: + st->i_frame_length_index = faad_getbits(ld, 1); // hvxc + default: + break; + } + /* Next stream */ + m->i_streams++; + } + } + + /* other data */ + if (faad_getbits(ld, 1)) { + if (i_mux_version == 1) { + m->i_other_data = LatmGetValue(ld); + } else { + int b_continue; + do { + b_continue = faad_getbits(ld, 1); + m->i_other_data = (m->i_other_data << 8) + faad_getbits(ld, 8); + } while (b_continue); + } + } + + /* crc */ + m->i_crc = -1; + if (faad_getbits(ld, 1)) { + m->i_crc = faad_getbits(ld, 8); + } + + return 0; +} +static int LOASParse(uint8_t *p_buffer, int i_buffer, decoder_sys_t *p_sys) +{ + bitfile ld = {0}; + int i_accumulated = 0; + const latm_stream_t *st; + faad_initbits(&ld, p_buffer, i_buffer); + int ret = 0; + //bs_init(&s, p_buffer, i_buffer); + + /* Read the stream mux configuration if present */ + if (!faad_getbits(&ld, 1) && !(ret = LatmReadStreamMuxConfiguration(&p_sys->latm, &ld)) && + p_sys->latm.i_streams > 0) { + st = &p_sys->latm.stream[0]; + + p_sys->i_channels = st->cfg.i_channel; + p_sys->i_rate = st->cfg.i_samplerate; + p_sys->i_frame_length = st->cfg.i_frame_length; + // LATM_LOG("ch %d, rate %d,frame len %d \n",p_sys->i_channels,p_sys->i_rate,p_sys->i_frame_length); + /* FIXME And if it changes ? */ + if (p_sys->i_channels && p_sys->i_rate && p_sys->i_frame_length > 0) { +#if 0 + if (!p_dec->fmt_out.i_extra && st->i_extra > 0) { + p_dec->fmt_out.i_extra = st->i_extra; + p_dec->fmt_out.p_extra = malloc(st->i_extra); + if (!p_dec->fmt_out.p_extra) { + p_dec->fmt_out.i_extra = 0; + return 0; + } + memcpy(p_dec->fmt_out.p_extra, st->extra, st->i_extra); + } +#endif + p_sys->b_latm_cfg = 1; + } + } + + /* Wait for the configuration */ + if (!p_sys->b_latm_cfg || ret < 0) { + return 0; + } + + /* FIXME do we need to split the subframe into independent packet ? */ + if (p_sys->latm.i_sub_frames > 1) { + printf("latm sub frames not yet supported, please send a sample"); + } + int i_sub; + for (i_sub = 0; i_sub < p_sys->latm.i_sub_frames; i_sub++) { + int pi_payload[LATM_MAX_PROGRAM][LATM_MAX_LAYER]; + if (p_sys->latm.b_same_time_framing) { + /* Payload length */ + int i_program, i_layer; + for (i_program = 0; i_program < p_sys->latm.i_programs; i_program++) { + for (i_layer = 0; i_layer < p_sys->latm.pi_layers[i_program]; i_layer++) { + latm_stream_t *st = &p_sys->latm.stream[p_sys->latm.pi_stream[i_program][i_layer]]; + if (st->i_frame_length_type == 0) { + int i_payload = 0; + for (;;) { + int i_tmp = faad_getbits(&ld, 8); + i_payload += i_tmp; + if (i_tmp != 255) { + break; + } + } + pi_payload[i_program][i_layer] = i_payload; + } else if (st->i_frame_length_type == 1) { + pi_payload[i_program][i_layer] = st->i_frame_length / 8; /* XXX not correct */ + } else if ((st->i_frame_length_type == 3) || + (st->i_frame_length_type == 5) || + (st->i_frame_length_type == 7)) { + faad_getbits(&ld, 2); // muxSlotLengthCoded + pi_payload[i_program][i_layer] = 0; /* TODO */ + } else { + pi_payload[i_program][i_layer] = 0; /* TODO */ + } + } + } + + /* Payload Data */ + // int i_program,i_layer; + for (i_program = 0; i_program < p_sys->latm.i_programs; i_program++) { + for (i_layer = 0; i_layer < p_sys->latm.pi_layers[i_program]; i_layer++) { + /* XXX we only extract 1 stream */ + if (i_program != 0 || i_layer != 0) { + break; + } + + if (pi_payload[i_program][i_layer] <= 0) { + continue; + } + + /* FIXME that's slow (and a bit ugly to write in place) */ + int i; + for (i = 0; i < pi_payload[i_program][i_layer]; i++) { + if (i_accumulated >= i_buffer) { + return 0; + } + p_buffer[i_accumulated++] = faad_getbits(&ld, 8); + } + } + } + } else { + const int i_chunks = faad_getbits(&ld, 4); + int pi_program[16]; + int pi_layer[16]; + + // printf( "latm without same time frameing not yet supported, please send a sample"); + int i_chunk; + for (i_chunk = 0; i_chunk < i_chunks; i_chunk++) { + const int streamIndex = faad_getbits(&ld, 4); + latm_stream_t *st = &p_sys->latm.stream[streamIndex]; + const int i_program = st->i_program; + const int i_layer = st->i_layer; + + pi_program[i_chunk] = i_program; + pi_layer[i_chunk] = i_layer; + + if (st->i_frame_length_type == 0) { + int i_payload = 0; + for (;;) { + int i_tmp = faad_getbits(&ld, 8); + i_payload += i_tmp; + if (i_tmp != 255) { + break; + } + } + pi_payload[i_program][i_layer] = i_payload; + faad_getbits(&ld, 1); // auEndFlag + } else if (st->i_frame_length_type == 1) { + pi_payload[i_program][i_layer] = st->i_frame_length / 8; /* XXX not correct */ + } else if ((st->i_frame_length_type == 3) || + (st->i_frame_length_type == 5) || + (st->i_frame_length_type == 7)) { + faad_getbits(&ld, 2); // muxSlotLengthCoded + } + } + // int i_chunk; + for (i_chunk = 0; i_chunk < i_chunks; i_chunk++) { + //const int i_program = pi_program[i_chunk]; + //const int i_layer = pi_layer[i_chunk]; + + /* TODO ? Payload */ + } + } + } + +#if 0 + if (p_sys->latm.i_other_data > 0) { + ; // TODO + } +#endif + faad_byte_align(&ld); + + return i_accumulated; +} + + +#endif + +/* static function declarations */ +static void* aac_frame_decode(NeAACDecStruct *hDecoder, + NeAACDecFrameInfo *hInfo, + unsigned char *buffer, + unsigned long buffer_size, + void **sample_buffer2, + unsigned long sample_buffer_size); +static void create_channel_config(NeAACDecStruct *hDecoder, + NeAACDecFrameInfo *hInfo); + + +char* NEAACDECAPI NeAACDecGetErrorMessage(unsigned char errcode) +{ + if (errcode >= NUM_ERROR_MESSAGES) { + return NULL; + } + return err_msg[errcode]; +} + +unsigned long NEAACDECAPI NeAACDecGetCapabilities(void) +{ + uint32_t cap = 0; + + /* can't do without it */ + cap += LC_DEC_CAP; + +#ifdef MAIN_DEC + cap += MAIN_DEC_CAP; +#endif +#ifdef LTP_DEC + cap += LTP_DEC_CAP; +#endif +#ifdef LD_DEC + cap += LD_DEC_CAP; +#endif +#ifdef ERROR_RESILIENCE + cap += ERROR_RESILIENCE_CAP; +#endif +#ifdef FIXED_POINT + cap += FIXED_POINT_CAP; +#endif + + return cap; +} + +const unsigned char mes[] = { 0x67, 0x20, 0x61, 0x20, 0x20, 0x20, 0x6f, 0x20, 0x72, 0x20, 0x65, 0x20, 0x6e, 0x20, 0x20, 0x20, 0x74, 0x20, 0x68, 0x20, 0x67, 0x20, 0x69, 0x20, 0x72, 0x20, 0x79, 0x20, 0x70, 0x20, 0x6f, 0x20, 0x63 }; +NeAACDecHandle NEAACDECAPI NeAACDecOpen(void) +{ + uint8_t i; + NeAACDecStruct *hDecoder = NULL; + + if ((hDecoder = (NeAACDecStruct*)faad_malloc(sizeof(NeAACDecStruct))) == NULL) { + return NULL; + } + + memset(hDecoder, 0, sizeof(NeAACDecStruct)); + + hDecoder->cmes = mes; + hDecoder->config.outputFormat = FAAD_FMT_16BIT; + hDecoder->config.defObjectType = MAIN; + hDecoder->config.defSampleRate = 44100; /* Default: 44.1kHz */ + hDecoder->config.downMatrix = 0x01; + hDecoder->adts_header_present = 0; + hDecoder->adif_header_present = 0; + hDecoder->latm_header_present = 0; +#ifdef ERROR_RESILIENCE + hDecoder->aacSectionDataResilienceFlag = 0; + hDecoder->aacScalefactorDataResilienceFlag = 0; + hDecoder->aacSpectralDataResilienceFlag = 0; +#endif + hDecoder->frameLength = 1024; + + hDecoder->frame = 0; + hDecoder->sample_buffer = NULL; + + hDecoder->__r1 = 1; + hDecoder->__r2 = 1; + + for (i = 0; i < MAX_CHANNELS; i++) { + hDecoder->window_shape_prev[i] = 0; + hDecoder->time_out[i] = NULL; + hDecoder->fb_intermed[i] = NULL; +#ifdef SSR_DEC + hDecoder->ssr_overlap[i] = NULL; + hDecoder->prev_fmd[i] = NULL; +#endif +#ifdef MAIN_DEC + hDecoder->pred_stat[i] = NULL; +#endif +#ifdef LTP_DEC + hDecoder->ltp_lag[i] = 0; + hDecoder->lt_pred_stat[i] = NULL; +#endif + } + +#ifdef SBR_DEC + for (i = 0; i < MAX_SYNTAX_ELEMENTS; i++) { + hDecoder->sbr[i] = NULL; + } +#endif + + hDecoder->drc = drc_init(REAL_CONST(1.0), REAL_CONST(1.0)); + hDecoder->last_ch_configure = -1; + hDecoder->last_sf_index = -1; + return hDecoder; +} + +NeAACDecConfigurationPtr NEAACDECAPI NeAACDecGetCurrentConfiguration(NeAACDecHandle hpDecoder) +{ + NeAACDecStruct* hDecoder = (NeAACDecStruct*)hpDecoder; + if (hDecoder) { + NeAACDecConfigurationPtr config = &(hDecoder->config); + + return config; + } + + return NULL; +} + +unsigned char NEAACDECAPI NeAACDecSetConfiguration(NeAACDecHandle hpDecoder, + NeAACDecConfigurationPtr config) +{ + NeAACDecStruct* hDecoder = (NeAACDecStruct*)hpDecoder; + if (hDecoder && config) { + /* check if we can decode this object type */ + if (can_decode_ot(config->defObjectType) < 0) { + return 0; + } + hDecoder->config.defObjectType = config->defObjectType; + + /* samplerate: anything but 0 should be possible */ + if (config->defSampleRate == 0) { + return 0; + } + hDecoder->config.defSampleRate = config->defSampleRate; + + /* check output format */ +#ifdef FIXED_POINT + if ((config->outputFormat < 1) || (config->outputFormat > 4)) { + return 0; + } +#else + if ((config->outputFormat < 1) || (config->outputFormat > 5)) { + return 0; + } +#endif + hDecoder->config.outputFormat = config->outputFormat; + + if (config->downMatrix > 1) { + return 0; + } + hDecoder->config.downMatrix = config->downMatrix; + + /* OK */ + return 1; + } + + return 0; +} + + +static int latmCheck(latm_header *latm, bitfile *ld) +{ + uint32_t good = 0, bad = 0, bits, m; + + while (ld->bytes_left) { + bits = faad_latm_frame(latm, ld); + if (bits == -1U) { + bad++; + } else { + good++; + while (bits > 0) { + m = min(bits, 8); + faad_getbits(ld, m DEBUGVAR(print, var, dbg)); + bits -= m; + } + } + } + + return (good > 0); +} + +#define SKIP_LATM_BYTE 16*4*2 +static int latm_check_internal(unsigned char *buffer, unsigned buffer_size, unsigned *byte_cost) +{ + latm_header l = {0}; + int is_latm = 0; + bitfile ld; + int byte_consumed = 0; + int byte_left = buffer_size; +retry: + memset(&l, 0, sizeof(latm_header)); + faad_initbits(&ld, buffer + byte_consumed, buffer_size - byte_consumed); + is_latm = latmCheck(&l, &ld); + if (is_latm && l.ASCbits > 0) { + is_latm = 1; + } else { + is_latm = 0; + byte_consumed += SKIP_LATM_BYTE; + byte_left -= SKIP_LATM_BYTE; + + } + if (is_latm == 0 && byte_left > 400) { + goto retry; + } +exit: + *byte_cost = byte_consumed; + return is_latm; +} + +long NEAACDECAPI NeAACDecInit(NeAACDecHandle hpDecoder, + unsigned char *buffer, + unsigned long buffer_size, + unsigned long *samplerate, + unsigned char *channels, + int is_latm_external, + int *skipbytes) +{ + uint32_t bits = 0; + bitfile ld; + adif_header adif; + adts_header adts; + NeAACDecStruct* hDecoder = (NeAACDecStruct*)hpDecoder; + faad_log_info("enter NeAACDecInit \r\n"); +#ifdef NEW_CODE_CHECK_LATM + int i_frame_size; + if (buffer_size > sizeof(temp_bufer)) { + LATM_LOG("init input buffer size tooo big %d, buffer size %d \n", buffer_size, sizeof(temp_bufer)); + buffer_size = sizeof(temp_bufer); + } + if (buffer_size > 0) { + memcpy(temp_bufer, buffer, buffer_size); + temp_size = buffer_size; + buffer = temp_bufer; + } + unsigned char *pbuffer = buffer; + int pbuffer_size = buffer_size; + decoder_sys_t *p_sys = &hDecoder->dec_sys; + latm_mux_t *m = &p_sys->latm; + latm_stream_t *st = NULL; +#endif + + if ((hDecoder == NULL) || (samplerate == NULL) || (channels == NULL)) { + return -1; + } + //memset(latm_payload,0,sizeof(latm_payload)); + hDecoder->sf_index = get_sr_index(hDecoder->config.defSampleRate); + hDecoder->object_type = hDecoder->config.defObjectType; + *samplerate = get_sample_rate(hDecoder->sf_index); + *channels = 1; + *samplerate = 0; + *channels = 0; + int latm_audio = 0; + unsigned byte_cost = 0; + if (buffer != NULL) { + int is_latm; + latm_header *l = &hDecoder->latm_config; + faad_initbits(&ld, buffer, buffer_size); +#ifdef NEW_CODE_CHECK_LATM + memset(&hDecoder->dec_sys, 0, sizeof(decoder_sys_t)); +NEXT_CHECK: + while (pbuffer_size >= 2) { + if (pbuffer[0] == 0x56 && (pbuffer[1] & 0xe0) == 0xe0) { //LOAS sync word detected + // LATM_LOG("find LOAS sync word pos %d\n",buffer_size-pbuffer_size); + break; + } + pbuffer++; + pbuffer_size--; + } + if (pbuffer_size < LOAS_HEADER_SIZE) { + LATM_LOG("check the loas frame failed\n"); + *skipbytes = buffer_size-pbuffer_size; + goto exit_check; + } + /* Check if frame is valid and get frame info */ + i_frame_size = ((pbuffer[1] & 0x1f) << 8) + pbuffer[2]; + if (i_frame_size <= 0 || i_frame_size > 6 * 768) { + LATM_LOG("i_frame_size/%d error\n",i_frame_size); + pbuffer++; + pbuffer_size--; + goto NEXT_CHECK; + } + if (pbuffer_size < (LOAS_HEADER_SIZE + i_frame_size)) { + LATM_LOG("[%s %d]buffer size %d small then frame size %d,\n", __FUNCTION__,__LINE__,pbuffer_size, i_frame_size+LOAS_HEADER_SIZE); + *skipbytes = buffer_size-pbuffer_size; + goto exit_check; + } +#if 1 + if (pbuffer[LOAS_HEADER_SIZE + i_frame_size] != 0x56 || (pbuffer[LOAS_HEADER_SIZE + i_frame_size + 1] & 0xe0) != 0xe0) { // next frame LOAS sync header detected + LATM_LOG("emulated sync word no (sync on following frame) \n"); + pbuffer++; + pbuffer_size--; + goto NEXT_CHECK; + } +#endif + pbuffer += LOAS_HEADER_SIZE; //skip header + pbuffer_size = pbuffer_size - LOAS_HEADER_SIZE; + //parse the playload of one real LOAS aac frame + i_frame_size = LOASParse(pbuffer, i_frame_size, p_sys); + if (i_frame_size <= 0) { + LATM_LOG("[%s %d]invalid i_frame_size/%d ,go on next check!...\n", __FUNCTION__, __LINE__, i_frame_size); + goto NEXT_CHECK; + } else { + LATM_LOG("latm detected\n"); + hDecoder->latm_header_present = 1; + } + //assue latm detected. start init code +exit_check: + if (m->i_streams > 0) { + st = &m->stream[m->i_streams - 1]; + } + memset(l, 0, sizeof(latm_header)); + if (st && st->i_extra || is_latm_external) { + int32_t x; + + hDecoder->latm_header_present = 1; + if (st && st->i_extra) { + x = NeAACDecInit2(hDecoder, st->extra, st->i_extra, samplerate, channels); + } else { + x = -1; + } + if (x != 0) { + hDecoder->latm_header_present = 0; + } +#ifdef USE_HELIX_AAC_DECODER + else { + hAACDecoder = AACInitDecoder(); + if (!hAACDecoder) { + faad_log_info("fatal error,helix aac decoder init failed\n"); + return -1; + } else { + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + if (aacDecInfo) { + aacDecInfo->format = AAC_FF_ADTS; + aacDecInfo->nChans = *channels; + } else { + LATM_LOG("aacDecInfo NULL\n"); + return NULL; + } + } + } +#endif + LATM_LOG("latm init ret %d \n", x); + return x; + } else +#else + memset(l, 0, sizeof(latm_header)); + is_latm = latmCheck(l, &ld); + l->inited = 0; + l->frameLength = 0; + faad_rewindbits(&ld); + if (is_latm && l->ASCbits > 0) { + int32_t x; + hDecoder->latm_header_present = 1; + x = NeAACDecInit2(hDecoder, l->ASC, (l->ASCbits + 7) / 8, samplerate, channels); + if (x != 0) { + hDecoder->latm_header_present = 0; + } + return x; + } else +#endif + /* Check if an ADIF header is present */ + if ((buffer[0] == 'A') && (buffer[1] == 'D') && + (buffer[2] == 'I') && (buffer[3] == 'F')) { + hDecoder->adif_header_present = 1; + faad_log_info("[%s %d]ADIF aac file detected\n", __FUNCTION__, __LINE__); + get_adif_header(&adif, &ld); + faad_byte_align(&ld); + + hDecoder->sf_index = adif.pce[0].sf_index; + hDecoder->object_type = adif.pce[0].object_type + 1; + + *samplerate = get_sample_rate(hDecoder->sf_index); + *channels = adif.pce[0].channels; + + memcpy(&(hDecoder->pce), &(adif.pce[0]), sizeof(program_config)); + hDecoder->pce_set = 1; + + bits = bit2byte(faad_get_processed_bits(&ld)); + + /* Check if an ADTS header is present */ + } else if (faad_showbits(&ld, 12) == 0xfff) { + hDecoder->adts_header_present = 1; + + adts.old_format = hDecoder->config.useOldADTSFormat; + adts_frame(&adts, &ld); + + hDecoder->sf_index = adts.sf_index; + hDecoder->object_type = adts.profile + 1; + if (adts.sf_index >= 0 && adts.sf_index < 12 && adts.channel_configuration > 0 && adts.channel_configuration <= 8) { + hDecoder->last_sf_index = hDecoder->sf_index; + hDecoder->last_ch_configure = adts.channel_configuration; + } + *samplerate = get_sample_rate(hDecoder->sf_index); + *channels = (adts.channel_configuration > 6) ? + 2 : adts.channel_configuration; + } else { + /*we guess it is a ADTS aac files and try to resync from the error*/ + int ii; + int adts_err = 0; + faad_log_info("[%s %d]guess it is a ADTS aac files and try to resync\n", __FUNCTION__, __LINE__); + faad_initbits(&ld, buffer, buffer_size); + for (ii = 0; ii < buffer_size; ii++) { + if ((faad_showbits(&ld, 16) & 0xfff6) != 0xFFF0) { + faad_getbits(&ld, 8 + DEBUGVAR(0, 0, "")); + } else { + bits = bit2byte(faad_get_processed_bits(&ld)); + hDecoder->adts_header_present = 1; + faad_log_info("[%s %d]resync and got ADTS header\n", __FUNCTION__, __LINE__); + adts.old_format = hDecoder->config.useOldADTSFormat; + adts_err = adts_frame(&adts, &ld); + if (adts_err == 5) { + return -1; + } + hDecoder->sf_index = adts.sf_index; + hDecoder->object_type = adts.profile + 1; + faad_log_info("sf index %d,object type %d \n", hDecoder->sf_index, hDecoder->object_type); + if (adts.sf_index >= 0 && adts.sf_index < 12 && adts.channel_configuration > 0 && adts.channel_configuration <= 8) { + hDecoder->last_sf_index = hDecoder->sf_index; + hDecoder->last_ch_configure = adts.channel_configuration; + } + *samplerate = get_sample_rate(hDecoder->sf_index); + if (*samplerate > 96000 || adts.channel_configuration > 6 || hDecoder->sf_index >= 12) { + return -1; + } + *channels = (adts.channel_configuration > 6) ? 2 : adts.channel_configuration; + faad_log_info("[%s %d]resync adts info:FS/%d object_type/%d chnum/%d\n", __FUNCTION__, __LINE__, *samplerate, hDecoder->object_type, channels); + break; + } + } + if (ii == buffer_size) { + faad_log_info("[%s %d]sync for adts frame failed\n", __FUNCTION__, __LINE__); + return -1; + } + } + } + if (ld.error) { + faad_endbits(&ld); + return -1; + } + faad_endbits(&ld); + +#if (defined(PS_DEC) || defined(DRM_PS)) + /* check if we have a mono file */ + if (*channels == 1) { + /* upMatrix to 2 channels for implicit signalling of PS */ + *channels = 2; + } +#endif + + hDecoder->channelConfiguration = *channels; + +#ifdef SBR_DEC + /* implicit signalling */ + if (*samplerate <= 24000 && (hDecoder->config.dontUpSampleImplicitSBR == 0)) { + *samplerate *= 2; + hDecoder->forceUpSampling = 1; + } else if (*samplerate > 24000 && (hDecoder->config.dontUpSampleImplicitSBR == 0)) { + hDecoder->downSampledSBR = 1; + } +#endif + + /* must be done before frameLength is divided by 2 for LD */ +#ifdef SSR_DEC + if (hDecoder->object_type == SSR) { + hDecoder->fb = ssr_filter_bank_init(hDecoder->frameLength / SSR_BANDS); + } else +#endif + hDecoder->fb = filter_bank_init(hDecoder->frameLength); + +#ifdef LD_DEC + if (hDecoder->object_type == LD) { + hDecoder->frameLength >>= 1; + } +#endif + + if (can_decode_ot(hDecoder->object_type) < 0) { + faad_log_info("[%s %d]object_type/%d can not support\n", __FUNCTION__, __LINE__, hDecoder->object_type); + return -1; + } + faad_log_info("[%s %d]aac init finished. cost bits%d\n", __FUNCTION__, __LINE__, bits); + return bits; +} + +/* Init the library using a DecoderSpecificInfo */ +int NEAACDECAPI NeAACDecInit2(NeAACDecHandle hpDecoder, + unsigned char *pBuffer, + unsigned long SizeOfDecoderSpecificInfo, + unsigned long *samplerate, + unsigned char *channels) +{ + NeAACDecStruct* hDecoder = (NeAACDecStruct*)hpDecoder; + int8_t rc; + mp4AudioSpecificConfig mp4ASC; + faad_log_info("enter NeAACDecInit2 \r\n"); + faad_log_info("extra data size %d\r\n", SizeOfDecoderSpecificInfo); + if ((hDecoder == NULL) + || (pBuffer == NULL) + || (SizeOfDecoderSpecificInfo < 2) + || (samplerate == NULL) + || (channels == NULL)) { + return -1; + } + + hDecoder->adif_header_present = 0; + hDecoder->adts_header_present = 0; + + /* decode the audio specific config */ + rc = AudioSpecificConfig2(pBuffer, SizeOfDecoderSpecificInfo, &mp4ASC, + &(hDecoder->pce), hDecoder->latm_header_present); + + /* copy the relevant info to the decoder handle */ + *samplerate = mp4ASC.samplingFrequency; + if (mp4ASC.channelsConfiguration) { + *channels = mp4ASC.channelsConfiguration; + } else { + *channels = hDecoder->pce.channels; + hDecoder->pce_set = 1; + } +#if (defined(PS_DEC) || defined(DRM_PS)) + /* check if we have a mono file */ + if (*channels == 1) { + /* upMatrix to 2 channels for implicit signalling of PS */ + *channels = 2; + } +#endif + hDecoder->sf_index = mp4ASC.samplingFrequencyIndex; + hDecoder->object_type = mp4ASC.objectTypeIndex; +#ifdef ERROR_RESILIENCE + hDecoder->aacSectionDataResilienceFlag = mp4ASC.aacSectionDataResilienceFlag; + hDecoder->aacScalefactorDataResilienceFlag = mp4ASC.aacScalefactorDataResilienceFlag; + hDecoder->aacSpectralDataResilienceFlag = mp4ASC.aacSpectralDataResilienceFlag; +#endif +#ifdef SBR_DEC + hDecoder->sbr_present_flag = mp4ASC.sbr_present_flag; + hDecoder->downSampledSBR = mp4ASC.downSampledSBR; + if (hDecoder->config.dontUpSampleImplicitSBR == 0) { + hDecoder->forceUpSampling = mp4ASC.forceUpSampling; + } else { + hDecoder->forceUpSampling = 0; + } + + /* AAC core decoder samplerate is 2 times as low */ + if (((hDecoder->sbr_present_flag == 1) && (!hDecoder->downSampledSBR)) || hDecoder->forceUpSampling == 1) { + hDecoder->sf_index = get_sr_index(mp4ASC.samplingFrequency / 2); + } +#endif + + if (rc != 0) { + return rc; + } + hDecoder->channelConfiguration = mp4ASC.channelsConfiguration; + if (mp4ASC.frameLengthFlag) +#ifdef ALLOW_SMALL_FRAMELENGTH + hDecoder->frameLength = 960; +#else + return -1; +#endif + + /* must be done before frameLength is divided by 2 for LD */ +#ifdef SSR_DEC + if (hDecoder->object_type == SSR) { + hDecoder->fb = ssr_filter_bank_init(hDecoder->frameLength / SSR_BANDS); + } else +#endif + hDecoder->fb = filter_bank_init(hDecoder->frameLength); + +#ifdef LD_DEC + if (hDecoder->object_type == LD) { + hDecoder->frameLength >>= 1; + } +#endif + faad_log_info("aac init2 finished\r\n"); + return 0; +} + +#ifdef DRM +char NEAACDECAPI NeAACDecInitDRM(NeAACDecHandle *hpDecoder, + unsigned long samplerate, + unsigned char channels) +{ + NeAACDecStruct** hDecoder = (NeAACDecStruct**)hpDecoder; + if (hDecoder == NULL) { + return 1; /* error */ + } + + NeAACDecClose(*hDecoder); + + *hDecoder = NeAACDecOpen(); + + /* Special object type defined for DRM */ + (*hDecoder)->config.defObjectType = DRM_ER_LC; + + (*hDecoder)->config.defSampleRate = samplerate; +#ifdef ERROR_RESILIENCE // This shoudl always be defined for DRM + (*hDecoder)->aacSectionDataResilienceFlag = 1; /* VCB11 */ + (*hDecoder)->aacScalefactorDataResilienceFlag = 0; /* no RVLC */ + (*hDecoder)->aacSpectralDataResilienceFlag = 1; /* HCR */ +#endif + (*hDecoder)->frameLength = 960; + (*hDecoder)->sf_index = get_sr_index((*hDecoder)->config.defSampleRate); + (*hDecoder)->object_type = (*hDecoder)->config.defObjectType; + + if ((channels == DRMCH_STEREO) || (channels == DRMCH_SBR_STEREO)) { + (*hDecoder)->channelConfiguration = 2; + } else { + (*hDecoder)->channelConfiguration = 1; + } + +#ifdef SBR_DEC + if ((channels == DRMCH_MONO) || (channels == DRMCH_STEREO)) { + (*hDecoder)->sbr_present_flag = 0; + } else { + (*hDecoder)->sbr_present_flag = 1; + } +#endif + + (*hDecoder)->fb = filter_bank_init((*hDecoder)->frameLength); + + return 0; +} +#endif + +void NEAACDECAPI NeAACDecClose(NeAACDecHandle hpDecoder) +{ + uint8_t i; + NeAACDecStruct* hDecoder = (NeAACDecStruct*)hpDecoder; +#ifdef USE_HELIX_AAC_DECODER + if (hAACDecoder) { + AACFreeDecoder(hAACDecoder); + hAACDecoder = NULL; + } +#endif + if (hDecoder == NULL) { + return; + } + +#ifdef PROFILE + //printk("AAC decoder total: %I64d cycles\n", hDecoder->cycles); + //printk("requant: %I64d cycles\n", hDecoder->requant_cycles); + //printk("spectral_data: %I64d cycles\n", hDecoder->spectral_cycles); + //printk("scalefactors: %I64d cycles\n", hDecoder->scalefac_cycles); + //printk("output: %I64d cycles\n", hDecoder->output_cycles); +#endif + + for (i = 0; i < MAX_CHANNELS; i++) { + if (hDecoder->time_out[i]) { + faad_free(hDecoder->time_out[i]); + } + if (hDecoder->fb_intermed[i]) { + faad_free(hDecoder->fb_intermed[i]); + } +#ifdef SSR_DEC + if (hDecoder->ssr_overlap[i]) { + faad_free(hDecoder->ssr_overlap[i]); + } + if (hDecoder->prev_fmd[i]) { + faad_free(hDecoder->prev_fmd[i]); + } +#endif +#ifdef MAIN_DEC + if (hDecoder->pred_stat[i]) { + faad_free(hDecoder->pred_stat[i]); + } +#endif +#ifdef LTP_DEC + if (hDecoder->lt_pred_stat[i]) { + faad_free(hDecoder->lt_pred_stat[i]); + } +#endif + } + +#ifdef SSR_DEC + if (hDecoder->object_type == SSR) { + ssr_filter_bank_end(hDecoder->fb); + } else +#endif + filter_bank_end(hDecoder->fb); + + drc_end(hDecoder->drc); + + if (hDecoder->sample_buffer) { + faad_free(hDecoder->sample_buffer); + } + + + if (hDecoder->sample_buffer_all) { + faad_free(hDecoder->sample_buffer_all); + } + +#ifdef SBR_DEC + for (i = 0; i < MAX_SYNTAX_ELEMENTS; i++) { + if (hDecoder->sbr[i]) { + sbrDecodeEnd(hDecoder->sbr[i]); + } + } +#endif + //why not free before? + if (hDecoder) { + faad_free(hDecoder); + } +} + +void NEAACDECAPI NeAACDecPostSeekReset(NeAACDecHandle hpDecoder, long frame) +{ + NeAACDecStruct* hDecoder = (NeAACDecStruct*)hpDecoder; + if (hDecoder) { + hDecoder->postSeekResetFlag = 1; + + if (frame != -1) { + hDecoder->frame = frame; + } + } +} + +static void create_channel_config(NeAACDecStruct *hDecoder, NeAACDecFrameInfo *hInfo) +{ + hInfo->num_front_channels = 0; + hInfo->num_side_channels = 0; + hInfo->num_back_channels = 0; + hInfo->num_lfe_channels = 0; + memset(hInfo->channel_position, 0, MAX_CHANNELS * sizeof(uint8_t)); + + if (hDecoder->downMatrix) { + hInfo->num_front_channels = 2; + hInfo->channel_position[0] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[1] = FRONT_CHANNEL_RIGHT; + return; + } + + /* check if there is a PCE */ + if (hDecoder->pce_set) { + uint8_t i, chpos = 0; + uint8_t chdir, back_center = 0; + + hInfo->num_front_channels = hDecoder->pce.num_front_channels; + hInfo->num_side_channels = hDecoder->pce.num_side_channels; + hInfo->num_back_channels = hDecoder->pce.num_back_channels; + hInfo->num_lfe_channels = hDecoder->pce.num_lfe_channels; + + chdir = hInfo->num_front_channels; + if (chdir & 1) { +#if (defined(PS_DEC) || defined(DRM_PS)) + /* When PS is enabled output is always stereo */ + hInfo->channel_position[chpos++] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[chpos++] = FRONT_CHANNEL_RIGHT; +#else + hInfo->channel_position[chpos++] = FRONT_CHANNEL_CENTER; + chdir--; +#endif + } + for (i = 0; i < chdir; i += 2) { + hInfo->channel_position[chpos++] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[chpos++] = FRONT_CHANNEL_RIGHT; + } + + for (i = 0; i < hInfo->num_side_channels; i += 2) { + hInfo->channel_position[chpos++] = SIDE_CHANNEL_LEFT; + hInfo->channel_position[chpos++] = SIDE_CHANNEL_RIGHT; + } + + chdir = hInfo->num_back_channels; + if (chdir & 1) { + back_center = 1; + chdir--; + } + for (i = 0; i < chdir; i += 2) { + hInfo->channel_position[chpos++] = BACK_CHANNEL_LEFT; + hInfo->channel_position[chpos++] = BACK_CHANNEL_RIGHT; + } + if (back_center) { + hInfo->channel_position[chpos++] = BACK_CHANNEL_CENTER; + } + + for (i = 0; i < hInfo->num_lfe_channels; i++) { + hInfo->channel_position[chpos++] = LFE_CHANNEL; + } + + } else { + switch (hDecoder->channelConfiguration) { + case 1: +#if (defined(PS_DEC) || defined(DRM_PS)) + /* When PS is enabled output is always stereo */ + hInfo->num_front_channels = 2; + hInfo->channel_position[0] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[1] = FRONT_CHANNEL_RIGHT; +#else + hInfo->num_front_channels = 1; + hInfo->channel_position[0] = FRONT_CHANNEL_CENTER; +#endif + break; + case 2: + hInfo->num_front_channels = 2; + hInfo->channel_position[0] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[1] = FRONT_CHANNEL_RIGHT; + break; + case 3: + hInfo->num_front_channels = 3; + hInfo->channel_position[0] = FRONT_CHANNEL_CENTER; + hInfo->channel_position[1] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[2] = FRONT_CHANNEL_RIGHT; + break; + case 4: + hInfo->num_front_channels = 3; + hInfo->num_back_channels = 1; + hInfo->channel_position[0] = FRONT_CHANNEL_CENTER; + hInfo->channel_position[1] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[2] = FRONT_CHANNEL_RIGHT; + hInfo->channel_position[3] = BACK_CHANNEL_CENTER; + break; + case 5: + hInfo->num_front_channels = 3; + hInfo->num_back_channels = 2; + hInfo->channel_position[0] = FRONT_CHANNEL_CENTER; + hInfo->channel_position[1] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[2] = FRONT_CHANNEL_RIGHT; + hInfo->channel_position[3] = BACK_CHANNEL_LEFT; + hInfo->channel_position[4] = BACK_CHANNEL_RIGHT; + break; + case 6: + hInfo->num_front_channels = 3; + hInfo->num_back_channels = 2; + hInfo->num_lfe_channels = 1; + hInfo->channel_position[0] = FRONT_CHANNEL_CENTER; + hInfo->channel_position[1] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[2] = FRONT_CHANNEL_RIGHT; + hInfo->channel_position[3] = BACK_CHANNEL_LEFT; + hInfo->channel_position[4] = BACK_CHANNEL_RIGHT; + hInfo->channel_position[5] = LFE_CHANNEL; + break; + case 7: + hInfo->num_front_channels = 3; + hInfo->num_side_channels = 2; + hInfo->num_back_channels = 2; + hInfo->num_lfe_channels = 1; + hInfo->channel_position[0] = FRONT_CHANNEL_CENTER; + hInfo->channel_position[1] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[2] = FRONT_CHANNEL_RIGHT; + hInfo->channel_position[3] = SIDE_CHANNEL_LEFT; + hInfo->channel_position[4] = SIDE_CHANNEL_RIGHT; + hInfo->channel_position[5] = BACK_CHANNEL_LEFT; + hInfo->channel_position[6] = BACK_CHANNEL_RIGHT; + hInfo->channel_position[7] = LFE_CHANNEL; + break; + default: { /* channelConfiguration == 0 || channelConfiguration > 7 */ + uint8_t i; + uint8_t ch = hDecoder->fr_channels - hDecoder->has_lfe; + if (ch & 1) { /* there's either a center front or a center back channel */ + uint8_t ch1 = (ch - 1) / 2; + if (hDecoder->first_syn_ele == ID_SCE) { + hInfo->num_front_channels = ch1 + 1; + hInfo->num_back_channels = ch1; + hInfo->channel_position[0] = FRONT_CHANNEL_CENTER; + for (i = 1; i <= ch1; i += 2) { + hInfo->channel_position[i] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[i + 1] = FRONT_CHANNEL_RIGHT; + } + for (i = ch1 + 1; i < ch; i += 2) { + hInfo->channel_position[i] = BACK_CHANNEL_LEFT; + hInfo->channel_position[i + 1] = BACK_CHANNEL_RIGHT; + } + } else { + hInfo->num_front_channels = ch1; + hInfo->num_back_channels = ch1 + 1; + for (i = 0; i < ch1; i += 2) { + hInfo->channel_position[i] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[i + 1] = FRONT_CHANNEL_RIGHT; + } + for (i = ch1; i < ch - 1; i += 2) { + hInfo->channel_position[i] = BACK_CHANNEL_LEFT; + hInfo->channel_position[i + 1] = BACK_CHANNEL_RIGHT; + } + hInfo->channel_position[ch - 1] = BACK_CHANNEL_CENTER; + } + } else { + uint8_t ch1 = (ch) / 2; + hInfo->num_front_channels = ch1; + hInfo->num_back_channels = ch1; + if (ch1 & 1) { + hInfo->channel_position[0] = FRONT_CHANNEL_CENTER; + for (i = 1; i <= ch1; i += 2) { + hInfo->channel_position[i] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[i + 1] = FRONT_CHANNEL_RIGHT; + } + for (i = ch1 + 1; i < ch - 1; i += 2) { + hInfo->channel_position[i] = BACK_CHANNEL_LEFT; + hInfo->channel_position[i + 1] = BACK_CHANNEL_RIGHT; + } + hInfo->channel_position[ch - 1] = BACK_CHANNEL_CENTER; + } else { + for (i = 0; i < ch1; i += 2) { + hInfo->channel_position[i] = FRONT_CHANNEL_LEFT; + hInfo->channel_position[i + 1] = FRONT_CHANNEL_RIGHT; + } + for (i = ch1; i < ch; i += 2) { + hInfo->channel_position[i] = BACK_CHANNEL_LEFT; + hInfo->channel_position[i + 1] = BACK_CHANNEL_RIGHT; + } + } + } + hInfo->num_lfe_channels = hDecoder->has_lfe; + for (i = ch; i < hDecoder->fr_channels; i++) { + hInfo->channel_position[i] = LFE_CHANNEL; + } + } + break; + } + } +} + +void* NEAACDECAPI NeAACDecDecode(NeAACDecHandle hpDecoder, + NeAACDecFrameInfo *hInfo, + unsigned char *buffer, + unsigned long buffer_size) +{ + NeAACDecStruct* hDecoder = (NeAACDecStruct*)hpDecoder; + return aac_frame_decode(hDecoder, hInfo, buffer, buffer_size, NULL, 0); +} + +void* NEAACDECAPI NeAACDecDecode2(NeAACDecHandle hpDecoder, + NeAACDecFrameInfo *hInfo, + unsigned char *buffer, + unsigned long buffer_size, + void **sample_buffer, + unsigned long sample_buffer_size) +{ + NeAACDecStruct* hDecoder = (NeAACDecStruct*)hpDecoder; + if ((sample_buffer == NULL) || (sample_buffer_size == 0)) { + hInfo->error = 27; + return NULL; + } + + return aac_frame_decode(hDecoder, hInfo, buffer, buffer_size, + sample_buffer, sample_buffer_size); +} + +#ifdef DRM + +#define ERROR_STATE_INIT 6 + +static void conceal_output(NeAACDecStruct *hDecoder, uint16_t frame_len, + uint8_t out_ch, void *sample_buffer) +{ + return; +} +#endif + +static int multi_sub_frame(NeAACDecStruct *hDecoder) +{ +#ifdef NEW_CODE_CHECK_LATM + int i_frame_size; + decoder_sys_t *p_sys = &hDecoder->dec_sys; + + if (hDecoder->latm_header_present && p_sys->latm.i_sub_frames > 1) + return 1; +#endif + + return 0; +} + +static void* aac_frame_decode(NeAACDecStruct *hDecoder, + NeAACDecFrameInfo *hInfo, + unsigned char *buffer, + unsigned long buffer_size, + void **sample_buffer2, + unsigned long sample_buffer_size) +{ + uint16_t i; + uint8_t channels = 0; + uint8_t output_channels = 0; + bitfile ld = {0}; + uint32_t bitsconsumed; + uint16_t frame_len; + void *sample_buffer; + uint32_t startbit = 0, endbit = 0, payload_bits = 0; + int b_multi_sub_frame; + int mux_length = 0; +#ifdef NEW_CODE_CHECK_LATM + int i_frame_size; + decoder_sys_t *p_sys = &hDecoder->dec_sys; +#endif +#ifdef PROFILE + int64_t count = faad_get_ts(); +#endif + + /* safety checks */ + if ((hDecoder == NULL) || (hInfo == NULL) || (buffer == NULL)) { + return NULL; + } + + frame_len = hDecoder->frameLength; + memset(hInfo, 0, sizeof(NeAACDecFrameInfo)); + memset(hDecoder->internal_channel, 0, MAX_CHANNELS * sizeof(hDecoder->internal_channel[0])); + +#ifdef USE_TIME_LIMIT + if ((TIME_LIMIT * get_sample_rate(hDecoder->sf_index)) > hDecoder->TL_count) { + hDecoder->TL_count += 1024; + } else { + hInfo->error = (NUM_ERROR_MESSAGES - 1); + goto error; + } +#endif + + + /* check for some common metadata tag types in the bitstream + * No need to return an error + */ + /* ID3 */ + if (buffer_size >= 128) { + if (memcmp(buffer, "TAG", 3) == 0) { + /* found it */ + hInfo->bytesconsumed = 128; /* 128 bytes fixed size */ + /* no error, but no output either */ + return NULL; + } + } +#ifdef NEW_CODE_CHECK_LATM + if (buffer_size > sizeof(temp_bufer)) { + LATM_LOG("input buffer size tooo big %d, buffer size %d \n", buffer_size, sizeof(temp_bufer)); + buffer_size = sizeof(temp_bufer); + } + if (buffer_size > 0) { + memcpy(temp_bufer, buffer, buffer_size); + temp_size = buffer_size; + buffer = temp_bufer; + } +NEXT_CHECK: + if (hDecoder->latm_header_present) { + while (buffer_size >= 7) { + if (buffer[0] == 0x56 && (buffer[1] & 0xe0) == 0xe0) { + + break; + } + buffer++; + buffer_size--; + } + if (buffer_size <= 2) { + LATM_LOG("check the loas frame failed\n"); + return NULL; + } + /* Check if frame is valid and get frame info */ + i_frame_size = ((buffer[1] & 0x1f) << 8) + buffer[2]; + //LATM_LOG("i_frame_size %d \n",i_frame_size); + mux_length = i_frame_size + 3; + if (i_frame_size <= 0) { + LATM_LOG("i_frame_size error\n"); + return NULL; + } + if (buffer_size < (LOAS_HEADER_SIZE + i_frame_size)) { + hInfo->error = 35; + LATM_LOG("buffer size small then frame size,need more data\n"); + return NULL; + } +#if 1 + if (buffer[3 + i_frame_size] != 0x56 || (buffer[3 + i_frame_size + 1] & 0xe0) != 0xe0) { + + LATM_LOG("emulated sync word (no sync on following frame) \n"); + buffer++; + buffer_size--; + goto NEXT_CHECK; + } +#endif + buffer += LOAS_HEADER_SIZE; //skip header + buffer_size = buffer_size - LOAS_HEADER_SIZE; + i_frame_size = LOASParse(buffer, i_frame_size, p_sys); + if (i_frame_size <= 0) { + goto NEXT_CHECK; + } else { + // LATM_LOG("latm detected\n"); + } + + } + + b_multi_sub_frame = multi_sub_frame(hDecoder); + + /* check if we want to use internal sample_buffer */ + if (sample_buffer_size == 0 && b_multi_sub_frame) { + if (hDecoder->sample_buffer_all) { + faad_free(hDecoder->sample_buffer_all); + } + hDecoder->sample_buffer_all = NULL; + } +#endif + +start_decode: + + /* initialize the bitstream */ + faad_initbits(&ld, buffer, buffer_size); + +#ifndef NEW_CODE_CHECK_LATM + if (hDecoder->latm_header_present) { + payload_bits = faad_latm_frame(&hDecoder->latm_config, &ld); + startbit = faad_get_processed_bits(&ld); + if (payload_bits == -1U) { + hInfo->error = 1; + goto error; + } + } +#endif +#ifdef DRM + if (hDecoder->object_type == DRM_ER_LC) { + /* We do not support stereo right now */ + if (0) { //(hDecoder->channelConfiguration == 2) + hInfo->error = 28; // Throw CRC error + goto error; + } + + faad_getbits(&ld, 8 + DEBUGVAR(1, 1, "NeAACDecDecode(): skip CRC")); + } +#endif + + if (hDecoder->adts_header_present) { + adts_header adts; + + adts.old_format = hDecoder->config.useOldADTSFormat; + if ((hInfo->error = adts_frame(&adts, &ld)) > 0) { + goto error; + } + if (adts.aac_frame_length > buffer_size) { + hInfo->error = 35; //more data needed + audio_codec_print("decoder need more data for adts frame,frame len %d,have %d \n", adts.aac_frame_length, buffer_size); + if (adts.aac_frame_length > 6 * 768) { + audio_codec_print("adts frame len exceed aac spec \n"); + hInfo->error = 36;// + goto error; + + } + //here need return to get more input data for decoder + faad_endbits(&ld); + return NULL; + } + if (adts.sf_index >= 12 || adts.channel_configuration > 6) { + audio_codec_print("adts sf/ch error,sf %d,ch config %d \n", adts.sf_index, adts.channel_configuration); + hDecoder->sf_index = 3; + hInfo->error = 12; + goto error; + } + hDecoder->sf_index = adts.sf_index; + if (adts.sf_index != hDecoder->last_sf_index && adts.channel_configuration != hDecoder->last_ch_configure) { + if (adts.sf_index >= 0 && adts.sf_index < 12 && adts.channel_configuration > 0 && adts.channel_configuration <= 8) { + hInfo->error = 34; + audio_codec_print("[%s %d]last_sf_index/%d,Ch/%d,Now %d/%d\n", __FUNCTION__, __LINE__, hDecoder->last_sf_index, hDecoder->last_ch_configure, adts.sf_index, adts.channel_configuration); + hDecoder->last_sf_index = hDecoder->sf_index; + hDecoder->last_ch_configure = adts.channel_configuration; + goto error; + } + } + } + +#ifdef ANALYSIS + dbg_count = 0; +#endif + + /* decode the complete bitstream */ +#ifdef DRM + if (/*(hDecoder->object_type == 6) ||*/ (hDecoder->object_type == DRM_ER_LC)) { + DRM_aac_scalable_main_element(hDecoder, hInfo, &ld, &hDecoder->pce, hDecoder->drc); + } else { +#endif + raw_data_block(hDecoder, hInfo, &ld, &hDecoder->pce, hDecoder->drc); +#ifdef DRM + } +#endif +#ifndef NEW_CODE_CHECK_LATM + if (hDecoder->latm_header_present) { + endbit = faad_get_processed_bits(&ld); + if (endbit - startbit > payload_bits) + DEBUG("[%s %d]ERROR, too many payload bits read: %u > %d. Please. report with a link to a sample\n", + __FUNCTION__, __LINE__, endbit - startbit, payload_bits); + if (hDecoder->latm_config.otherDataLenBits > 0) { + faad_getbits(&ld, hDecoder->latm_config.otherDataLenBits); + } + faad_byte_align(&ld); + } +#endif + + channels = hDecoder->fr_channels; + + if (hInfo->error > 0) { + goto error; + } + + /* safety check */ + if (channels == 0 || channels > MAX_CHANNELS) { + DEBUG("[%s %d]invalid Channels/%d\n", __FUNCTION__, __LINE__, channels); + hInfo->error = 12; + goto error; + } + + /* no more bit reading after this */ + bitsconsumed = faad_get_processed_bits(&ld); + hInfo->bytesconsumed = bit2byte(bitsconsumed); + if (mux_length && hDecoder->latm_header_present && !ld.error) { + if (p_sys->latm.i_sub_frames <= 1) + hInfo->bytesconsumed = mux_length; + } + if (ld.error) { + hInfo->error = 14; + goto error; + } + faad_endbits(&ld); + + + if (!hDecoder->adts_header_present && !hDecoder->adif_header_present +#if 1 + && !hDecoder->latm_header_present +#endif + ) { + if (hDecoder->channelConfiguration == 0) { + hDecoder->channelConfiguration = channels; + } + + if (channels == 8) { /* 7.1 */ + hDecoder->channelConfiguration = 7; + } + if (channels == 7) { /* not a standard channelConfiguration */ + hDecoder->channelConfiguration = 0; + } + } + + if ((channels == 5 || channels == 6) && hDecoder->config.downMatrix) { + hDecoder->downMatrix = 1; + output_channels = 2; + } else { + // output_channels = channels; + if (channels == 6 || channels == 4) { + output_channels = 2; + } else if (channels == 3 && hDecoder->config.downMatrix) { + output_channels = 2; + } else { + output_channels = channels; + } + } + +#if (defined(PS_DEC) || defined(DRM_PS)) + hDecoder->upMatrix = 0; + /* check if we have a mono file */ + if (output_channels == 1) { + /* upMatrix to 2 channels for implicit signalling of PS */ + hDecoder->upMatrix = 1; + output_channels = 2; + } +#endif + + /* Make a channel configuration based on either a PCE or a channelConfiguration */ + create_channel_config(hDecoder, hInfo); + + /* number of samples in this frame */ + hInfo->samples = frame_len * output_channels; + /* number of channels in this frame */ + hInfo->channels = output_channels; + /* samplerate */ + hInfo->samplerate = get_sample_rate(hDecoder->sf_index); + /* object type */ + hInfo->object_type = hDecoder->object_type; + /* sbr */ + hInfo->sbr = NO_SBR; + /* header type */ + hInfo->header_type = RAW; + if (hDecoder->adif_header_present) { + hInfo->header_type = ADIF; + } + if (hDecoder->adts_header_present) { + hInfo->header_type = ADTS; + } +#if 1 + if (hDecoder->latm_header_present) { + hInfo->header_type = LATM; + } +#endif +#if (defined(PS_DEC) || defined(DRM_PS)) + hInfo->ps = hDecoder->ps_used_global; +#endif + + /* check if frame has channel elements */ + if (channels == 0) { + hDecoder->frame++; + return NULL; + } + + /* allocate the buffer for the final samples */ + if ((hDecoder->sample_buffer == NULL) || + (hDecoder->alloced_channels != output_channels)) { + static const uint8_t str[] = { sizeof(int16_t), sizeof(int32_t), sizeof(int32_t), + sizeof(float32_t), sizeof(double), sizeof(int16_t), sizeof(int16_t), + sizeof(int16_t), sizeof(int16_t), 0, 0, 0 + }; + uint8_t stride = str[hDecoder->config.outputFormat - 1]; +#ifdef SBR_DEC + if (((hDecoder->sbr_present_flag == 1) && (!hDecoder->downSampledSBR)) || (hDecoder->forceUpSampling == 1)) { + stride = 2 * stride; + } +#endif + /* check if we want to use internal sample_buffer */ + if (sample_buffer_size == 0) { + if (hDecoder->sample_buffer) { + faad_free(hDecoder->sample_buffer); + } + hDecoder->sample_buffer = NULL; + hDecoder->sample_buffer = faad_malloc(frame_len * output_channels * stride); + } else if (sample_buffer_size < frame_len * output_channels * stride) { + /* provided sample buffer is not big enough */ + hInfo->error = 27; + return NULL; + } + hDecoder->alloced_channels = output_channels; + } + + if (sample_buffer_size == 0) { + sample_buffer = hDecoder->sample_buffer; + } else { + sample_buffer = *sample_buffer2; + } + +#ifdef SBR_DEC + if ((hDecoder->sbr_present_flag == 1) || (hDecoder->forceUpSampling == 1)) { + uint8_t ele; + + /* this data is different when SBR is used or when the data is upsampled */ + if (!hDecoder->downSampledSBR) { + frame_len *= 2; + hInfo->samples *= 2; + hInfo->samplerate *= 2; + } + + /* check if every element was provided with SBR data */ + for (ele = 0; ele < hDecoder->fr_ch_ele; ele++) { + if (hDecoder->sbr[ele] == NULL) { + hInfo->error = 25; + goto error; + } + } + + /* sbr */ + if (hDecoder->sbr_present_flag == 1) { + hInfo->object_type = HE_AAC; + hInfo->sbr = SBR_UPSAMPLED; + } else { + hInfo->sbr = NO_SBR_UPSAMPLED; + } + if (hDecoder->downSampledSBR) { + hInfo->sbr = SBR_DOWNSAMPLED; + } + } +#endif + + if (b_multi_sub_frame && sample_buffer_size == 0 && + hDecoder->sample_buffer_all == NULL) { + + hDecoder->sample_buffer_all = faad_malloc(p_sys->latm.i_sub_frames * hInfo->samples * 2); + } + + sample_buffer = output_to_PCM(hDecoder, hDecoder->time_out, sample_buffer, + output_channels, frame_len, hDecoder->config.outputFormat); + + if (b_multi_sub_frame && i_frame_size > 0 && sample_buffer_size == 0) { + + memcpy(hDecoder->sample_buffer_all,sample_buffer,hInfo->samples * 2); + hDecoder->sample_buffer_all += hInfo->samples * 2; + i_frame_size -= hInfo->bytesconsumed; + buffer += hInfo->bytesconsumed; + buffer_size -= hInfo->bytesconsumed; + if (i_frame_size > 0) + goto start_decode; + } + + if (b_multi_sub_frame && sample_buffer_size == 0) { + // calculate all sub_frames as one samples + hInfo->samples = hInfo->samples * p_sys->latm.i_sub_frames; + hDecoder->sample_buffer_all -= hInfo->samples * 2; + hInfo->bytesconsumed = mux_length; + return hDecoder->sample_buffer_all; + } + + +#ifdef DRM + //conceal_output(hDecoder, frame_len, output_channels, sample_buffer); +#endif + + + hDecoder->postSeekResetFlag = 0; + + hDecoder->frame++; +#ifdef LD_DEC + if (hDecoder->object_type != LD) { +#endif + if (hDecoder->frame <= 1) { + hInfo->samples = 0; + } +#ifdef LD_DEC + } else { + /* LD encoders will give lower delay */ + if (hDecoder->frame <= 0) { + hInfo->samples = 0; + } + } +#endif + + /* cleanup */ +#ifdef ANALYSIS + fflush(stdout); +#endif + +#ifdef PROFILE + count = faad_get_ts() - count; + hDecoder->cycles += count; +#endif + +#ifdef USE_HELIX_AAC_DECODER + /* Channel definitions */ +#define FRONT_CENTER (0) +#define FRONT_LEFT (1) +#define FRONT_RIGHT (2) +#define SIDE_LEFT (3) +#define SIDE_RIGHT (4) +#define BACK_LEFT (5) +#define LFE_CHANNEL (6) + + if (hDecoder->latm_header_present && !hInfo->error) { + unsigned char *dec_buf = buffer; + int dec_size = hInfo->bytesconsumed ; + int err; + int ch_num; + int sample_out; + int sum; + unsigned ch_map_scale[6] = {2, 4, 4, 2, 2, 0}; //full scale == 8 + short *ouput = dec_buffer; + unsigned char adts_header[7]; + unsigned char *pbuf = NULL; + unsigned char *inbuf = NULL; +#ifdef PS_DEC + if (hDecoder->ps_used_global) { + // LATM_LOG("decoder ps channel %d \n",channels); + if (channels == 2) { + channels = 1; + } + } +#endif + MakeAdtsHeader(hInfo, adts_header, channels); + pbuf = malloc(7 + dec_size); + if (!pbuf) { + LATM_LOG("malloc decoder buffer failed %d \n", dec_size); + return NULL; + } + dec_size += 7; + memcpy(pbuf, adts_header, 7); + memcpy(pbuf + 7, buffer, hInfo->bytesconsumed); + inbuf = pbuf; + err = AACDecode(hAACDecoder, &inbuf, &dec_size, dec_buffer); + if (pbuf) { + free(pbuf); + pbuf = NULL; + } + if (err == 0) { + AACFrameInfo aacFrameInfo = {0}; + AACGetLastFrameInfo(hAACDecoder, &aacFrameInfo); + hInfo->error = 0; + hInfo->bytesconsumed = mux_length; + hInfo->channels = aacFrameInfo.nChans > 2 ? 2 : aacFrameInfo.nChans; + hInfo->samplerate = aacFrameInfo.sampRateOut;; + if (aacFrameInfo.nChans > 2) { //should do downmix to 2ch output. + ch_num = aacFrameInfo.nChans; + sample_out = aacFrameInfo.outputSamps / ch_num * 2 * 2; //ch_num*sample_num*16bit + if (ch_num == 3 || ch_num == 4) { + ch_map_scale[0] = 4; //50% + ch_map_scale[1] = 4;//50% + ch_map_scale[2] = 4;//50% + ch_map_scale[3] = 0; + ch_map_scale[4] = 0; + ch_map_scale[5] = 0; + } + for (i = 0; i < aacFrameInfo.outputSamps / ch_num; i++) { + if (ch_num == 5 || ch_num == 6) { + output_buffer[i * 2] = ((int)(ouput[ch_num * i + FRONT_LEFT]) + + ((int)((((int)ouput[ch_num * i + FRONT_CENTER]) - + ((int)ouput[ch_num * i + SIDE_LEFT]) - + ((int)ouput[ch_num * i + SIDE_RIGHT])) * 707 / 1000))); + output_buffer[2 * i + 1] = ((int)(ouput[ch_num * i + FRONT_RIGHT]) + + ((int)((((int)ouput[ch_num * i + FRONT_CENTER]) + + ((int)ouput[ch_num * i + SIDE_LEFT]) + + ((int)ouput[ch_num * i + SIDE_RIGHT])) * 707 / 1000))); + } else { + sum = ((int)ouput[ch_num * i + FRONT_LEFT] * ch_map_scale[FRONT_LEFT] + (int)ouput[ch_num * i + FRONT_CENTER] * ch_map_scale[FRONT_CENTER] + (int)ouput[ch_num * i + BACK_LEFT] * ch_map_scale[BACK_LEFT]); + output_buffer[i * 2] = sum >> 3; + sum = ((int)ouput[ch_num * i + FRONT_RIGHT] * ch_map_scale[FRONT_RIGHT] + (int)ouput[ch_num * i + FRONT_CENTER] * ch_map_scale[FRONT_CENTER] + (int)ouput[ch_num * i + BACK_LEFT] * ch_map_scale[BACK_LEFT]); + output_buffer[2 * i + 1] = sum >> 3; + } + } + } else { + sample_out = aacFrameInfo.outputSamps * 2; //ch_num*sample_num*16bit + memcpy(output_buffer, dec_buffer, sample_out); + + } + hInfo->samples = sample_out / 2; + return output_buffer; + + } else { + LATM_LOG("decoder error id %d \n", err); + hInfo->error = err > 0 ? err : -err; + return NULL; + } + } +#endif + return sample_buffer; + +error: + + +#ifdef DRM + hDecoder->error_state = ERROR_STATE_INIT; +#endif + + /* reset filterbank state */ + for (i = 0; i < MAX_CHANNELS; i++) { + if (hDecoder->fb_intermed[i] != NULL) { + memset(hDecoder->fb_intermed[i], 0, hDecoder->frameLength * sizeof(real_t)); + } + } +#ifdef SBR_DEC + for (i = 0; i < MAX_SYNTAX_ELEMENTS; i++) { + if (hDecoder->sbr[i] != NULL) { + sbrReset(hDecoder->sbr[i]); + } + } +#endif + faad_endbits(&ld); + /* cleanup */ +#ifdef ANALYSIS + fflush(stdout); +#endif + + return NULL; +} + +int is_latm_aac(NeAACDecHandle hpDecoder) +{ + NeAACDecStruct* hDecoder = (NeAACDecStruct*)hpDecoder; + return hDecoder->latm_header_present; + +} + diff --git a/audio_codec/libfaad/drc.c b/audio_codec/libfaad/drc.c new file mode 100644 index 0000000..55b4483 --- a/dev/null +++ b/audio_codec/libfaad/drc.c @@ -0,0 +1,173 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: drc.c,v 1.28 2007/11/01 12:33:30 menno Exp $ +**/ +#include +#include "common.h" +#include "structs.h" + +#include +#include "syntax.h" +#include "drc.h" + +drc_info *drc_init(real_t cut, real_t boost) +{ + drc_info *drc = (drc_info*)faad_malloc(sizeof(drc_info)); + memset(drc, 0, sizeof(drc_info)); + + drc->ctrl1 = cut; + drc->ctrl2 = boost; + + drc->num_bands = 1; + drc->band_top[0] = 1024 / 4 - 1; + drc->dyn_rng_sgn[0] = 1; + drc->dyn_rng_ctl[0] = 0; + + return drc; +} + +void drc_end(drc_info *drc) +{ + if (drc) { + faad_free(drc); + } +} + +#ifdef FIXED_POINT +static real_t drc_pow2_table[] = { + COEF_CONST(0.5146511183), + COEF_CONST(0.5297315472), + COEF_CONST(0.5452538663), + COEF_CONST(0.5612310242), + COEF_CONST(0.5776763484), + COEF_CONST(0.5946035575), + COEF_CONST(0.6120267717), + COEF_CONST(0.6299605249), + COEF_CONST(0.6484197773), + COEF_CONST(0.6674199271), + COEF_CONST(0.6869768237), + COEF_CONST(0.7071067812), + COEF_CONST(0.7278265914), + COEF_CONST(0.7491535384), + COEF_CONST(0.7711054127), + COEF_CONST(0.7937005260), + COEF_CONST(0.8169577266), + COEF_CONST(0.8408964153), + COEF_CONST(0.8655365610), + COEF_CONST(0.8908987181), + COEF_CONST(0.9170040432), + COEF_CONST(0.9438743127), + COEF_CONST(0.9715319412), + COEF_CONST(1.0000000000), + COEF_CONST(1.0293022366), + COEF_CONST(1.0594630944), + COEF_CONST(1.0905077327), + COEF_CONST(1.1224620483), + COEF_CONST(1.1553526969), + COEF_CONST(1.1892071150), + COEF_CONST(1.2240535433), + COEF_CONST(1.2599210499), + COEF_CONST(1.2968395547), + COEF_CONST(1.3348398542), + COEF_CONST(1.3739536475), + COEF_CONST(1.4142135624), + COEF_CONST(1.4556531828), + COEF_CONST(1.4983070769), + COEF_CONST(1.5422108254), + COEF_CONST(1.5874010520), + COEF_CONST(1.6339154532), + COEF_CONST(1.6817928305), + COEF_CONST(1.7310731220), + COEF_CONST(1.7817974363), + COEF_CONST(1.8340080864), + COEF_CONST(1.8877486254), + COEF_CONST(1.9430638823) +}; +#endif + +void drc_decode(drc_info *drc, real_t *spec) +{ + uint16_t i, bd, top; +#ifdef FIXED_POINT + int32_t exp, frac; +#else + real_t factor, exp; +#endif + uint16_t bottom = 0; + + if (drc->num_bands == 1) { + drc->band_top[0] = 1024 / 4 - 1; + } + + for (bd = 0; bd < drc->num_bands; bd++) { + top = 4 * (drc->band_top[bd] + 1); + +#ifndef FIXED_POINT + /* Decode DRC gain factor */ + if (drc->dyn_rng_sgn[bd]) { /* compress */ + exp = (-drc->ctrl1 * drc->dyn_rng_ctl[bd] - (DRC_REF_LEVEL - drc->prog_ref_level)) / REAL_CONST(24.0); + } else { /* boost */ + exp = (drc->ctrl2 * drc->dyn_rng_ctl[bd] - (DRC_REF_LEVEL - drc->prog_ref_level)) / REAL_CONST(24.0); + } + factor = (real_t)pow(2.0, exp); + + /* Apply gain factor */ + for (i = bottom; i < top; i++) { + spec[i] *= factor; + } +#else + /* Decode DRC gain factor */ + if (drc->dyn_rng_sgn[bd]) { /* compress */ + exp = -1 * (drc->dyn_rng_ctl[bd] - (DRC_REF_LEVEL - drc->prog_ref_level)) / 24; + frac = -1 * (drc->dyn_rng_ctl[bd] - (DRC_REF_LEVEL - drc->prog_ref_level)) % 24; + } else { /* boost */ + exp = (drc->dyn_rng_ctl[bd] - (DRC_REF_LEVEL - drc->prog_ref_level)) / 24; + frac = (drc->dyn_rng_ctl[bd] - (DRC_REF_LEVEL - drc->prog_ref_level)) % 24; + } + + /* Apply gain factor */ + if (exp < 0) { + for (i = bottom; i < top; i++) { + spec[i] >>= -exp; + if (frac) { + spec[i] = MUL_R(spec[i], drc_pow2_table[frac + 23]); + } + } + } else { + for (i = bottom; i < top; i++) { + spec[i] <<= exp; + if (frac) { + spec[i] = MUL_R(spec[i], drc_pow2_table[frac + 23]); + } + } + } +#endif + + bottom = top; + } +} diff --git a/audio_codec/libfaad/drc.h b/audio_codec/libfaad/drc.h new file mode 100644 index 0000000..c8e6b45 --- a/dev/null +++ b/audio_codec/libfaad/drc.h @@ -0,0 +1,49 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: drc.h,v 1.22 2007/11/01 12:33:30 menno Exp $ +**/ + +#ifndef __DRC_H__ +#define __DRC_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#define DRC_REF_LEVEL 20*4 /* -20 dB */ + + + drc_info *drc_init(real_t cut, real_t boost); + void drc_end(drc_info *drc); + void drc_decode(drc_info *drc, real_t *spec); + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/drm_dec.c b/audio_codec/libfaad/drm_dec.c new file mode 100644 index 0000000..cc7dc5c --- a/dev/null +++ b/audio_codec/libfaad/drm_dec.c @@ -0,0 +1,912 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: drm_dec.c,v 1.9 2007/11/01 12:33:30 menno Exp $ +**/ + +#include +#include +#include +#include +#include "common.h" + +#ifdef DRM + +#include "sbr_dec.h" +#include "drm_dec.h" +#include "bits.h" + +/* constants */ +#define DECAY_CUTOFF 3 +#define DECAY_SLOPE 0.05f + +/* type definitaions */ +typedef const int8_t (*drm_ps_huff_tab)[2]; + + +/* binary search huffman tables */ +static const int8_t f_huffman_sa[][2] = { + { /*0*/ -15, 1 }, /* index 0: 1 bits: x */ + { 2, 3 }, /* index 1: 2 bits: 1x */ + { /*7*/ -8, 4 }, /* index 2: 3 bits: 10x */ + { 5, 6 }, /* index 3: 3 bits: 11x */ + { /*1*/ -14, /*-1*/ -16 }, /* index 4: 4 bits: 101x */ + { /*-2*/ -17, 7 }, /* index 5: 4 bits: 110x */ + { 8, 9 }, /* index 6: 4 bits: 111x */ + { /*2*/ -13, /*-3*/ -18 }, /* index 7: 5 bits: 1101x */ + { /*3*/ -12, 10 }, /* index 8: 5 bits: 1110x */ + { 11, 12 }, /* index 9: 5 bits: 1111x */ + { /*4*/ -11, /*5*/ -10 }, /* index 10: 6 bits: 11101x */ + { /*-4*/ -19, /*-5*/ -20 }, /* index 11: 6 bits: 11110x */ + { /*6*/ -9, 13 }, /* index 12: 6 bits: 11111x */ + { /*-7*/ -22, /*-6*/ -21 } /* index 13: 7 bits: 111111x */ +}; + +static const int8_t t_huffman_sa[][2] = { + { /*0*/ -15, 1 }, /* index 0: 1 bits: x */ + { 2, 3 }, /* index 1: 2 bits: 1x */ + { /*-1*/ -16, /*1*/ -14 }, /* index 2: 3 bits: 10x */ + { 4, 5 }, /* index 3: 3 bits: 11x */ + { /*-2*/ -17, /*2*/ -13 }, /* index 4: 4 bits: 110x */ + { 6, 7 }, /* index 5: 4 bits: 111x */ + { /*-3*/ -18, /*3*/ -12 }, /* index 6: 5 bits: 1110x */ + { 8, 9 }, /* index 7: 5 bits: 1111x */ + { /*-4*/ -19, /*4*/ -11 }, /* index 8: 6 bits: 11110x */ + { 10, 11 }, /* index 9: 6 bits: 11111x */ + { /*-5*/ -20, /*5*/ -10 }, /* index 10: 7 bits: 111110x */ + { /*-6*/ -21, 12 }, /* index 11: 7 bits: 111111x */ + { /*-7*/ -22, 13 }, /* index 12: 8 bits: 1111111x */ + { /*6*/ -9, /*7*/ -8 } /* index 13: 9 bits: 11111111x */ +}; + +static const int8_t f_huffman_pan[][2] = { + { /*0*/ -15, 1 }, /* index 0: 1 bits: x */ + { /*-1*/ -16, 2 }, /* index 1: 2 bits: 1x */ + { /*1*/ -14, 3 }, /* index 2: 3 bits: 11x */ + { 4, 5 }, /* index 3: 4 bits: 111x */ + { /*-2*/ -17, /*2*/ -13 }, /* index 4: 5 bits: 1110x */ + { 6, 7 }, /* index 5: 5 bits: 1111x */ + { /*-3*/ -18, /*3*/ -12 }, /* index 6: 6 bits: 11110x */ + { 8, 9 }, /* index 7: 6 bits: 11111x */ + { /*-4*/ -19, /*4*/ -11 }, /* index 8: 7 bits: 111110x */ + { 10, 11 }, /* index 9: 7 bits: 111111x */ + { /*-5*/ -20, /*5*/ -10 }, /* index 10: 8 bits: 1111110x */ + { 12, 13 }, /* index 11: 8 bits: 1111111x */ + { /*-6*/ -21, /*6*/ -9 }, /* index 12: 9 bits: 11111110x */ + { /*-7*/ -22, 14 }, /* index 13: 9 bits: 11111111x */ + { /*7*/ -8, 15 }, /* index 14: 10 bits: 111111111x */ + { 16, 17 }, /* index 15: 11 bits: 1111111111x */ + { /*-8*/ -23, /*8*/ -7 }, /* index 16: 12 bits: 11111111110x */ + { 18, 19 }, /* index 17: 12 bits: 11111111111x */ + { /*-10*/ -25, 20 }, /* index 18: 13 bits: 111111111110x */ + { 21, 22 }, /* index 19: 13 bits: 111111111111x */ + { /*-9*/ -24, /*9*/ -6 }, /* index 20: 14 bits: 1111111111101x */ + { /*10*/ -5, 23 }, /* index 21: 14 bits: 1111111111110x */ + { 24, 25 }, /* index 22: 14 bits: 1111111111111x */ + { /*-13*/ -28, /*-11*/ -26 }, /* index 23: 15 bits: 11111111111101x */ + { /*11*/ -4, /*13*/ -2 }, /* index 24: 15 bits: 11111111111110x */ + { 26, 27 }, /* index 25: 15 bits: 11111111111111x */ + { /*-14*/ -29, /*-12*/ -27 }, /* index 26: 16 bits: 111111111111110x */ + { /*12*/ -3, /*14*/ -1 } /* index 27: 16 bits: 111111111111111x */ +}; + +static const int8_t t_huffman_pan[][2] = { + { /*0*/ -15, 1 }, /* index 0: 1 bits: x */ + { /*-1*/ -16, 2 }, /* index 1: 2 bits: 1x */ + { /*1*/ -14, 3 }, /* index 2: 3 bits: 11x */ + { /*-2*/ -17, 4 }, /* index 3: 4 bits: 111x */ + { /*2*/ -13, 5 }, /* index 4: 5 bits: 1111x */ + { /*-3*/ -18, 6 }, /* index 5: 6 bits: 11111x */ + { /*3*/ -12, 7 }, /* index 6: 7 bits: 111111x */ + { /*-4*/ -19, 8 }, /* index 7: 8 bits: 1111111x */ + { /*4*/ -11, 9 }, /* index 8: 9 bits: 11111111x */ + { 10, 11 }, /* index 9: 10 bits: 111111111x */ + { /*-5*/ -20, /*5*/ -10 }, /* index 10: 11 bits: 1111111110x */ + { 12, 13 }, /* index 11: 11 bits: 1111111111x */ + { /*-6*/ -21, /*6*/ -9 }, /* index 12: 12 bits: 11111111110x */ + { 14, 15 }, /* index 13: 12 bits: 11111111111x */ + { /*-7*/ -22, /*7*/ -8 }, /* index 14: 13 bits: 111111111110x */ + { 16, 17 }, /* index 15: 13 bits: 111111111111x */ + { /*-8*/ -23, /*8*/ -7 }, /* index 16: 14 bits: 1111111111110x */ + { 18, 19 }, /* index 17: 14 bits: 1111111111111x */ + { /*-10*/ -25, /*10*/ -5 }, /* index 18: 15 bits: 11111111111110x */ + { 20, 21 }, /* index 19: 15 bits: 11111111111111x */ + { /*-9*/ -24, /*9*/ -6 }, /* index 20: 16 bits: 111111111111110x */ + { 22, 23 }, /* index 21: 16 bits: 111111111111111x */ + { 24, 25 }, /* index 22: 17 bits: 1111111111111110x */ + { 26, 27 }, /* index 23: 17 bits: 1111111111111111x */ + { /*-14*/ -29, /*-13*/ -28 }, /* index 24: 18 bits: 11111111111111100x */ + { /*-12*/ -27, /*-11*/ -26 }, /* index 25: 18 bits: 11111111111111101x */ + { /*11*/ -4, /*12*/ -3 }, /* index 26: 18 bits: 11111111111111110x */ + { /*13*/ -2, /*14*/ -1 } /* index 27: 18 bits: 11111111111111111x */ +}; + +/* There are 3 classes in the standard but the last 2 are identical */ +static const real_t sa_quant[8][2] = { + { FRAC_CONST(0.0000), FRAC_CONST(0.0000) }, + { FRAC_CONST(0.0501), FRAC_CONST(0.1778) }, + { FRAC_CONST(0.0706), FRAC_CONST(0.2818) }, + { FRAC_CONST(0.0995), FRAC_CONST(0.4467) }, + { FRAC_CONST(0.1399), FRAC_CONST(0.5623) }, + { FRAC_CONST(0.1957), FRAC_CONST(0.7079) }, + { FRAC_CONST(0.2713), FRAC_CONST(0.8913) }, + { FRAC_CONST(0.3699), FRAC_CONST(1.0000) }, +}; + +/* We don't need the actual quantizer values */ +#if 0 +static const real_t pan_quant[8][5] = { + { COEF_CONST(0.0000), COEF_CONST(0.0000), COEF_CONST(0.0000), COEF_CONST(0.0000), COEF_CONST(0.0000) }, + { COEF_CONST(0.1661), COEF_CONST(0.1661), COEF_CONST(0.3322), COEF_CONST(0.3322), COEF_CONST(0.3322) }, + { COEF_CONST(0.3322), COEF_CONST(0.3322), COEF_CONST(0.6644), COEF_CONST(0.8305), COEF_CONST(0.8305) }, + { COEF_CONST(0.4983), COEF_CONST(0.6644), COEF_CONST(0.9966), COEF_CONST(1.4949), COEF_CONST(1.6610) }, + { COEF_CONST(0.6644), COEF_CONST(0.9966), COEF_CONST(1.4949), COEF_CONST(2.1593), COEF_CONST(2.4914) }, + { COEF_CONST(0.8305), COEF_CONST(1.3288), COEF_CONST(2.1593), COEF_CONST(2.9897), COEF_CONST(3.4880) }, + { COEF_CONST(0.9966), COEF_CONST(1.8271), COEF_CONST(2.8236), COEF_CONST(3.8202), COEF_CONST(4.6507) }, + { COEF_CONST(1.3288), COEF_CONST(2.3253), COEF_CONST(3.4880), COEF_CONST(4.6507), COEF_CONST(5.8134) }, +}; +#endif + +/* 2^(pan_quant[x][y] */ +static const real_t pan_pow_2_pos[8][5] = { + { REAL_CONST(1.0000000), REAL_CONST(1.0000000), REAL_CONST(1.0000000), REAL_CONST(1.0000000), REAL_CONST(1.0000000) }, + { REAL_CONST(1.1220021), REAL_CONST(1.1220021), REAL_CONST(1.2589312), REAL_CONST(1.2589312), REAL_CONST(1.2589312) }, + { REAL_CONST(1.2589312), REAL_CONST(1.2589312), REAL_CONST(1.5849090), REAL_CONST(1.7783016), REAL_CONST(1.7783016) }, + { REAL_CONST(1.4125481), REAL_CONST(1.5849090), REAL_CONST(1.9952921), REAL_CONST(2.8184461), REAL_CONST(3.1623565) }, + { REAL_CONST(1.5849090), REAL_CONST(1.9952922), REAL_CONST(2.8184461), REAL_CONST(4.4669806), REAL_CONST(5.6232337) }, + { REAL_CONST(1.7783016), REAL_CONST(2.5119365), REAL_CONST(4.4669806), REAL_CONST(7.9430881), REAL_CONST(11.219994) }, + { REAL_CONST(1.9952921), REAL_CONST(3.5482312), REAL_CONST(7.0792671), REAL_CONST(14.125206), REAL_CONST(25.118876) }, + { REAL_CONST(2.5119365), REAL_CONST(5.0116998), REAL_CONST(11.219994), REAL_CONST(25.118876), REAL_CONST(56.235140) } +}; + +/* 2^(-pan_quant[x][y] */ +static const real_t pan_pow_2_neg[8][5] = { + { REAL_CONST(1), REAL_CONST(1), REAL_CONST(1), REAL_CONST(1), REAL_CONST(1) }, + { REAL_CONST(0.8912487), REAL_CONST(0.8912487), REAL_CONST(0.7943242), REAL_CONST(0.7943242), REAL_CONST(0.7943242) }, + { REAL_CONST(0.7943242), REAL_CONST(0.7943242), REAL_CONST(0.6309511), REAL_CONST(0.5623344), REAL_CONST(0.5623344) }, + { REAL_CONST(0.7079405), REAL_CONST(0.6309511), REAL_CONST(0.5011797), REAL_CONST(0.3548054), REAL_CONST(0.3162199) }, + { REAL_CONST(0.6309511), REAL_CONST(0.5011797), REAL_CONST(0.3548054), REAL_CONST(0.2238649), REAL_CONST(0.1778336) }, + { REAL_CONST(0.5623343), REAL_CONST(0.3980992), REAL_CONST(0.2238649), REAL_CONST(0.1258956), REAL_CONST(0.0891266) }, + { REAL_CONST(0.5011797), REAL_CONST(0.2818306), REAL_CONST(0.1412576), REAL_CONST(0.0707954), REAL_CONST(0.0398107) }, + { REAL_CONST(0.3980992), REAL_CONST(0.1995331), REAL_CONST(0.0891267), REAL_CONST(0.0398107), REAL_CONST(0.0177825) } +}; + +/* 2^(pan_quant[x][y]/30) */ +static const real_t pan_pow_2_30_pos[8][5] = { + { COEF_CONST(1), COEF_CONST(1), COEF_CONST(1), COEF_CONST(1), COEF_CONST(1) }, + { COEF_CONST(1.003845098), COEF_CONST(1.003845098), COEF_CONST(1.007704982), COEF_CONST(1.007704982), COEF_CONST(1.007704982) }, + { COEF_CONST(1.007704982), COEF_CONST(1.007704982), COEF_CONST(1.01546933), COEF_CONST(1.019373909), COEF_CONST(1.019373909) }, + { COEF_CONST(1.011579706), COEF_CONST(1.01546933), COEF_CONST(1.023293502), COEF_CONST(1.035142941), COEF_CONST(1.039123167) }, + { COEF_CONST(1.01546933), COEF_CONST(1.023293502), COEF_CONST(1.035142941), COEF_CONST(1.051155908), COEF_CONST(1.059252598) }, + { COEF_CONST(1.019373909), COEF_CONST(1.03117796), COEF_CONST(1.051155908), COEF_CONST(1.071518432), COEF_CONST(1.0839263) }, + { COEF_CONST(1.023293502), COEF_CONST(1.043118698), COEF_CONST(1.067414119), COEF_CONST(1.092277933), COEF_CONST(1.113439626) }, + { COEF_CONST(1.03117796), COEF_CONST(1.055195268), COEF_CONST(1.0839263), COEF_CONST(1.113439626), COEF_CONST(1.143756546) } +}; + +/* 2^(-pan_quant[x][y]/30) */ +static const real_t pan_pow_2_30_neg[8][5] = { + { COEF_CONST(1), COEF_CONST(1), COEF_CONST(1), COEF_CONST(1), COEF_CONST(1) }, + { COEF_CONST(0.99616963), COEF_CONST(0.99616963), COEF_CONST(0.992353931), COEF_CONST(0.992353931), COEF_CONST(0.99235393) }, + { COEF_CONST(0.992353931), COEF_CONST(0.992353931), COEF_CONST(0.984766325), COEF_CONST(0.980994305), COEF_CONST(0.980994305) }, + { COEF_CONST(0.988552848), COEF_CONST(0.984766325), COEF_CONST(0.977236734), COEF_CONST(0.966050157), COEF_CONST(0.962349827) }, + { COEF_CONST(0.984766325), COEF_CONST(0.977236734), COEF_CONST(0.966050157), COEF_CONST(0.951333663), COEF_CONST(0.944061881) }, + { COEF_CONST(0.980994305), COEF_CONST(0.969764715), COEF_CONST(0.951333663), COEF_CONST(0.933255062), COEF_CONST(0.922571949) }, + { COEF_CONST(0.977236734), COEF_CONST(0.958663671), COEF_CONST(0.936843519), COEF_CONST(0.915517901), COEF_CONST(0.898117847) }, + { COEF_CONST(0.969764715), COEF_CONST(0.947691892), COEF_CONST(0.922571949), COEF_CONST(0.898117847), COEF_CONST(0.874311936) } +}; + +static const real_t g_decayslope[MAX_SA_BAND] = { + FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.95), FRAC_CONST(0.9), FRAC_CONST(0.85), FRAC_CONST(0.8), + FRAC_CONST(0.75), FRAC_CONST(0.7), FRAC_CONST(0.65), FRAC_CONST(0.6), FRAC_CONST(0.55), FRAC_CONST(0.5), FRAC_CONST(0.45), + FRAC_CONST(0.4), FRAC_CONST(0.35), FRAC_CONST(0.3), FRAC_CONST(0.25), FRAC_CONST(0.2), FRAC_CONST(0.15), FRAC_CONST(0.1), + FRAC_CONST(0.05), FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), + FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), + FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0), + FRAC_CONST(0), FRAC_CONST(0), FRAC_CONST(0) +}; + +static const real_t sa_sqrt_1_minus[8][2] = { + { FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(0.998744206), FRAC_CONST(0.984066644) }, + { FRAC_CONST(0.997504707), FRAC_CONST(0.959473168) }, + { FRAC_CONST(0.995037562), FRAC_CONST(0.894683804) }, + { FRAC_CONST(0.990165638), FRAC_CONST(0.826933317) }, + { FRAC_CONST(0.980663811), FRAC_CONST(0.706312672) }, + { FRAC_CONST(0.962494836), FRAC_CONST(0.45341406) }, + { FRAC_CONST(0.929071574), FRAC_CONST(0) } +}; + +static const uint8_t sa_freq_scale[9] = { + 0, 1, 2, 3, 5, 7, 10, 13, 23 +}; + +static const uint8_t pan_freq_scale[21] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, + 11, 12, 13, 14, 15, 18, 22, 26, 32, 64 +}; + +static const uint8_t pan_quant_class[20] = { + 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 2, 2, 2, 2, 3, 3, 3, 4, 4, 4 +}; + +/* Inverse mapping lookup */ +static const uint8_t pan_inv_freq[64] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, + 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19 +}; + +static const uint8_t sa_inv_freq[MAX_SA_BAND] = { + 0, 1, 2, 3, 3, 4, 4, 5, 5, 5, 6, 6, 6, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7 +}; + +static const real_t filter_coeff[] = { + FRAC_CONST(0.65143905754106), + FRAC_CONST(0.56471812200776), + FRAC_CONST(0.48954165955695) +}; + +static const uint8_t delay_length[3] = { + 3, 4, 5 +}; + +static const real_t delay_fraction[] = { + FRAC_CONST(0.43), FRAC_CONST(0.75), FRAC_CONST(0.347) +}; + +static const real_t peak_decay = FRAC_CONST(0.76592833836465); + +static const real_t smooth_coeff = FRAC_CONST(0.25); + +/* Please note that these are the same tables as in plain PS */ +static const complex_t Q_Fract_allpass_Qmf[][3] = { + { { FRAC_CONST(0.7804303765), FRAC_CONST(0.6252426505) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.8550928831), FRAC_CONST(0.5184748173) } }, + { { FRAC_CONST(-0.4399392009), FRAC_CONST(0.8980275393) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.0643581524), FRAC_CONST(0.9979268909) } }, + { { FRAC_CONST(-0.9723699093), FRAC_CONST(-0.2334454209) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.9146071672), FRAC_CONST(0.4043435752) } }, + { { FRAC_CONST(0.0157073960), FRAC_CONST(-0.9998766184) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.7814115286), FRAC_CONST(-0.6240159869) } }, + { { FRAC_CONST(0.9792228341), FRAC_CONST(-0.2027871907) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.1920081824), FRAC_CONST(-0.9813933372) } }, + { { FRAC_CONST(0.4115142524), FRAC_CONST(0.9114032984) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.9589683414), FRAC_CONST(-0.2835132182) } }, + { { FRAC_CONST(-0.7996847630), FRAC_CONST(0.6004201174) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.6947838664), FRAC_CONST(0.7192186117) } }, + { { FRAC_CONST(-0.7604058385), FRAC_CONST(-0.6494481564) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.3164770305), FRAC_CONST(0.9486001730) } }, + { { FRAC_CONST(0.4679299891), FRAC_CONST(-0.8837655187) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.9874414206), FRAC_CONST(0.1579856575) } }, + { { FRAC_CONST(0.9645573497), FRAC_CONST(0.2638732493) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.5966450572), FRAC_CONST(-0.8025052547) } }, + { { FRAC_CONST(-0.0471066870), FRAC_CONST(0.9988898635) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.4357025325), FRAC_CONST(-0.9000906944) } }, + { { FRAC_CONST(-0.9851093888), FRAC_CONST(0.1719288528) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.9995546937), FRAC_CONST(-0.0298405960) } }, + { { FRAC_CONST(-0.3826831877), FRAC_CONST(-0.9238796234) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.4886211455), FRAC_CONST(0.8724960685) } }, + { { FRAC_CONST(0.8181498647), FRAC_CONST(-0.5750049949) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.5477093458), FRAC_CONST(0.8366686702) } }, + { { FRAC_CONST(0.7396308780), FRAC_CONST(0.6730127335) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.9951074123), FRAC_CONST(-0.0987988561) } }, + { { FRAC_CONST(-0.4954589605), FRAC_CONST(0.8686313629) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.3725017905), FRAC_CONST(-0.9280315042) } }, + { { FRAC_CONST(-0.9557929039), FRAC_CONST(-0.2940406799) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.6506417990), FRAC_CONST(-0.7593847513) } }, + { { FRAC_CONST(0.0784594864), FRAC_CONST(-0.9969173074) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.9741733670), FRAC_CONST(0.2258014232) } }, + { { FRAC_CONST(0.9900237322), FRAC_CONST(-0.1409008205) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.2502108514), FRAC_CONST(0.9681913853) } }, + { { FRAC_CONST(0.3534744382), FRAC_CONST(0.9354441762) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.7427945137), FRAC_CONST(0.6695194840) } }, + { { FRAC_CONST(-0.8358076215), FRAC_CONST(0.5490224361) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.9370992780), FRAC_CONST(-0.3490629196) } }, + { { FRAC_CONST(-0.7181259394), FRAC_CONST(-0.6959131360) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.1237744763), FRAC_CONST(-0.9923103452) } }, + { { FRAC_CONST(0.5224990249), FRAC_CONST(-0.8526399136) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.8226406574), FRAC_CONST(-0.5685616732) } }, + { { FRAC_CONST(0.9460852146), FRAC_CONST(0.3239179254) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.8844994903), FRAC_CONST(0.4665412009) } }, + { { FRAC_CONST(-0.1097348556), FRAC_CONST(0.9939609170) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.0047125919), FRAC_CONST(0.9999889135) } }, + { { FRAC_CONST(-0.9939610362), FRAC_CONST(0.1097337380) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.8888573647), FRAC_CONST(0.4581840038) } }, + { { FRAC_CONST(-0.3239168525), FRAC_CONST(-0.9460855722) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.8172453642), FRAC_CONST(-0.5762898922) } }, + { { FRAC_CONST(0.8526405096), FRAC_CONST(-0.5224980116) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.1331215799), FRAC_CONST(-0.9910997152) } }, + { { FRAC_CONST(0.6959123611), FRAC_CONST(0.7181267142) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.9403476119), FRAC_CONST(-0.3402152061) } }, + { { FRAC_CONST(-0.5490233898), FRAC_CONST(0.8358070254) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.7364512086), FRAC_CONST(0.6764906645) } }, + { { FRAC_CONST(-0.9354437590), FRAC_CONST(-0.3534754813) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.2593250275), FRAC_CONST(0.9657900929) } }, + { { FRAC_CONST(0.1409019381), FRAC_CONST(-0.9900235534) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.9762582779), FRAC_CONST(0.2166097313) } }, + { { FRAC_CONST(0.9969173670), FRAC_CONST(-0.0784583688) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.6434556246), FRAC_CONST(-0.7654833794) } }, + { { FRAC_CONST(0.2940396070), FRAC_CONST(0.9557932615) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.3812320232), FRAC_CONST(-0.9244794250) } }, + { { FRAC_CONST(-0.8686318994), FRAC_CONST(0.4954580069) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.9959943891), FRAC_CONST(-0.0894154981) } }, + { { FRAC_CONST(-0.6730118990), FRAC_CONST(-0.7396316528) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.5397993922), FRAC_CONST(0.8417937160) } }, + { { FRAC_CONST(0.5750059485), FRAC_CONST(-0.8181492686) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.4968227744), FRAC_CONST(0.8678520322) } }, + { { FRAC_CONST(0.9238792062), FRAC_CONST(0.3826842010) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.9992290139), FRAC_CONST(-0.0392601527) } }, + { { FRAC_CONST(-0.1719299555), FRAC_CONST(0.9851091504) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.4271997511), FRAC_CONST(-0.9041572809) } }, + { { FRAC_CONST(-0.9988899231), FRAC_CONST(0.0471055657) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.6041822433), FRAC_CONST(-0.7968461514) } }, + { { FRAC_CONST(-0.2638721764), FRAC_CONST(-0.9645576477) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.9859085083), FRAC_CONST(0.1672853529) } }, + { { FRAC_CONST(0.8837660551), FRAC_CONST(-0.4679289758) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.3075223565), FRAC_CONST(0.9515408874) } }, + { { FRAC_CONST(0.6494473219), FRAC_CONST(0.7604066133) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.7015317082), FRAC_CONST(0.7126382589) } }, + { { FRAC_CONST(-0.6004210114), FRAC_CONST(0.7996840477) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.9562535882), FRAC_CONST(-0.2925389707) } }, + { { FRAC_CONST(-0.9114028811), FRAC_CONST(-0.4115152657) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.1827499419), FRAC_CONST(-0.9831594229) } }, + { { FRAC_CONST(0.2027882934), FRAC_CONST(-0.9792225957) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.7872582674), FRAC_CONST(-0.6166234016) } }, + { { FRAC_CONST(0.9998766780), FRAC_CONST(-0.0157062728) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.9107555747), FRAC_CONST(0.4129458666) } }, + { { FRAC_CONST(0.2334443331), FRAC_CONST(0.9723701477) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.0549497530), FRAC_CONST(0.9984891415) } }, + { { FRAC_CONST(-0.8980280757), FRAC_CONST(0.4399381876) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.8599416018), FRAC_CONST(0.5103924870) } }, + { { FRAC_CONST(-0.6252418160), FRAC_CONST(-0.7804310918) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.8501682281), FRAC_CONST(-0.5265110731) } }, + { { FRAC_CONST(0.6252435446), FRAC_CONST(-0.7804297209) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.0737608299), FRAC_CONST(-0.9972759485) } }, + { { FRAC_CONST(0.8980270624), FRAC_CONST(0.4399402142) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.9183775187), FRAC_CONST(-0.3957053721) } }, + { { FRAC_CONST(-0.2334465086), FRAC_CONST(0.9723696709) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.7754954696), FRAC_CONST(0.6313531399) } }, + { { FRAC_CONST(-0.9998766184), FRAC_CONST(-0.0157085191) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.2012493610), FRAC_CONST(0.9795400500) } }, + { { FRAC_CONST(-0.2027861029), FRAC_CONST(-0.9792230725) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.9615978599), FRAC_CONST(0.2744622827) } }, + { { FRAC_CONST(0.9114037752), FRAC_CONST(-0.4115132093) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.6879743338), FRAC_CONST(-0.7257350087) } }, + { { FRAC_CONST(0.6004192233), FRAC_CONST(0.7996854186) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.3254036009), FRAC_CONST(-0.9455752373) } }, + { { FRAC_CONST(-0.6494490504), FRAC_CONST(0.7604051232) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.9888865948), FRAC_CONST(-0.1486719251) } }, + { { FRAC_CONST(-0.8837650418), FRAC_CONST(-0.4679309726) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.5890548825), FRAC_CONST(0.8080930114) } }, + { { FRAC_CONST(0.2638743520), FRAC_CONST(-0.9645570517) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.4441666007), FRAC_CONST(0.8959442377) } }, + { { FRAC_CONST(0.9988898039), FRAC_CONST(0.0471078083) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.9997915030), FRAC_CONST(0.0204183888) } }, + { { FRAC_CONST(0.1719277352), FRAC_CONST(0.9851095676) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.4803760946), FRAC_CONST(-0.8770626187) } }, + { { FRAC_CONST(-0.9238800406), FRAC_CONST(0.3826821446) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.5555707216), FRAC_CONST(-0.8314692974) } }, + { { FRAC_CONST(-0.5750041008), FRAC_CONST(-0.8181505203) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.9941320419), FRAC_CONST(0.1081734300) } } +}; + +static const complex_t Phi_Fract_Qmf[] = { + { FRAC_CONST(0.8181497455), FRAC_CONST(0.5750052333) }, + { FRAC_CONST(-0.2638730407), FRAC_CONST(0.9645574093) }, + { FRAC_CONST(-0.9969173074), FRAC_CONST(0.0784590989) }, + { FRAC_CONST(-0.4115143716), FRAC_CONST(-0.9114032984) }, + { FRAC_CONST(0.7181262970), FRAC_CONST(-0.6959127784) }, + { FRAC_CONST(0.8980275989), FRAC_CONST(0.4399391711) }, + { FRAC_CONST(-0.1097343117), FRAC_CONST(0.9939609766) }, + { FRAC_CONST(-0.9723699093), FRAC_CONST(0.2334453613) }, + { FRAC_CONST(-0.5490227938), FRAC_CONST(-0.8358073831) }, + { FRAC_CONST(0.6004202366), FRAC_CONST(-0.7996846437) }, + { FRAC_CONST(0.9557930231), FRAC_CONST(0.2940403223) }, + { FRAC_CONST(0.0471064523), FRAC_CONST(0.9988898635) }, + { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, + { FRAC_CONST(-0.6730124950), FRAC_CONST(-0.7396311164) }, + { FRAC_CONST(0.4679298103), FRAC_CONST(-0.8837656379) }, + { FRAC_CONST(0.9900236726), FRAC_CONST(0.1409012377) }, + { FRAC_CONST(0.2027872950), FRAC_CONST(0.9792228341) }, + { FRAC_CONST(-0.8526401520), FRAC_CONST(0.5224985480) }, + { FRAC_CONST(-0.7804304361), FRAC_CONST(-0.6252426505) }, + { FRAC_CONST(0.3239174187), FRAC_CONST(-0.9460853338) }, + { FRAC_CONST(0.9998766184), FRAC_CONST(-0.0157073177) }, + { FRAC_CONST(0.3534748554), FRAC_CONST(0.9354440570) }, + { FRAC_CONST(-0.7604059577), FRAC_CONST(0.6494480371) }, + { FRAC_CONST(-0.8686315417), FRAC_CONST(-0.4954586625) }, + { FRAC_CONST(0.1719291061), FRAC_CONST(-0.9851093292) }, + { FRAC_CONST(0.9851093292), FRAC_CONST(-0.1719291061) }, + { FRAC_CONST(0.4954586625), FRAC_CONST(0.8686315417) }, + { FRAC_CONST(-0.6494480371), FRAC_CONST(0.7604059577) }, + { FRAC_CONST(-0.9354440570), FRAC_CONST(-0.3534748554) }, + { FRAC_CONST(0.0157073177), FRAC_CONST(-0.9998766184) }, + { FRAC_CONST(0.9460853338), FRAC_CONST(-0.3239174187) }, + { FRAC_CONST(0.6252426505), FRAC_CONST(0.7804304361) }, + { FRAC_CONST(-0.5224985480), FRAC_CONST(0.8526401520) }, + { FRAC_CONST(-0.9792228341), FRAC_CONST(-0.2027872950) }, + { FRAC_CONST(-0.1409012377), FRAC_CONST(-0.9900236726) }, + { FRAC_CONST(0.8837656379), FRAC_CONST(-0.4679298103) }, + { FRAC_CONST(0.7396311164), FRAC_CONST(0.6730124950) }, + { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, + { FRAC_CONST(-0.9988898635), FRAC_CONST(-0.0471064523) }, + { FRAC_CONST(-0.2940403223), FRAC_CONST(-0.9557930231) }, + { FRAC_CONST(0.7996846437), FRAC_CONST(-0.6004202366) }, + { FRAC_CONST(0.8358073831), FRAC_CONST(0.5490227938) }, + { FRAC_CONST(-0.2334453613), FRAC_CONST(0.9723699093) }, + { FRAC_CONST(-0.9939609766), FRAC_CONST(0.1097343117) }, + { FRAC_CONST(-0.4399391711), FRAC_CONST(-0.8980275989) }, + { FRAC_CONST(0.6959127784), FRAC_CONST(-0.7181262970) }, + { FRAC_CONST(0.9114032984), FRAC_CONST(0.4115143716) }, + { FRAC_CONST(-0.0784590989), FRAC_CONST(0.9969173074) }, + { FRAC_CONST(-0.9645574093), FRAC_CONST(0.2638730407) }, + { FRAC_CONST(-0.5750052333), FRAC_CONST(-0.8181497455) }, + { FRAC_CONST(0.5750052333), FRAC_CONST(-0.8181497455) }, + { FRAC_CONST(0.9645574093), FRAC_CONST(0.2638730407) }, + { FRAC_CONST(0.0784590989), FRAC_CONST(0.9969173074) }, + { FRAC_CONST(-0.9114032984), FRAC_CONST(0.4115143716) }, + { FRAC_CONST(-0.6959127784), FRAC_CONST(-0.7181262970) }, + { FRAC_CONST(0.4399391711), FRAC_CONST(-0.8980275989) }, + { FRAC_CONST(0.9939609766), FRAC_CONST(0.1097343117) }, + { FRAC_CONST(0.2334453613), FRAC_CONST(0.9723699093) }, + { FRAC_CONST(-0.8358073831), FRAC_CONST(0.5490227938) }, + { FRAC_CONST(-0.7996846437), FRAC_CONST(-0.6004202366) }, + { FRAC_CONST(0.2940403223), FRAC_CONST(-0.9557930231) }, + { FRAC_CONST(0.9988898635), FRAC_CONST(-0.0471064523) }, + { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, + { FRAC_CONST(-0.7396311164), FRAC_CONST(0.6730124950) } +}; + + +/* static function declarations */ +static void drm_ps_sa_element(drm_ps_info *ps, bitfile *ld); +static void drm_ps_pan_element(drm_ps_info *ps, bitfile *ld); +static int8_t huff_dec(bitfile *ld, drm_ps_huff_tab huff); + + +uint16_t drm_ps_data(drm_ps_info *ps, bitfile *ld) +{ + uint16_t bits = (uint16_t)faad_get_processed_bits(ld); + + ps->drm_ps_data_available = 1; + + ps->bs_enable_sa = faad_get1bit(ld); + ps->bs_enable_pan = faad_get1bit(ld); + + if (ps->bs_enable_sa) { + drm_ps_sa_element(ps, ld); + } + + if (ps->bs_enable_pan) { + drm_ps_pan_element(ps, ld); + } + + bits = (uint16_t)faad_get_processed_bits(ld) - bits; + + return bits; +} + +static void drm_ps_sa_element(drm_ps_info *ps, bitfile *ld) +{ + drm_ps_huff_tab huff; + uint8_t band; + + ps->bs_sa_dt_flag = faad_get1bit(ld); + if (ps->bs_sa_dt_flag) { + huff = t_huffman_sa; + } else { + huff = f_huffman_sa; + } + + for (band = 0; band < DRM_NUM_SA_BANDS; band++) { + ps->bs_sa_data[band] = huff_dec(ld, huff); + } +} + +static void drm_ps_pan_element(drm_ps_info *ps, bitfile *ld) +{ + drm_ps_huff_tab huff; + uint8_t band; + + ps->bs_pan_dt_flag = faad_get1bit(ld); + if (ps->bs_pan_dt_flag) { + huff = t_huffman_pan; + } else { + huff = f_huffman_pan; + } + + for (band = 0; band < DRM_NUM_PAN_BANDS; band++) { + ps->bs_pan_data[band] = huff_dec(ld, huff); + } +} + +/* binary search huffman decoding */ +static int8_t huff_dec(bitfile *ld, drm_ps_huff_tab huff) +{ + uint8_t bit; + int16_t index = 0; + + while (index >= 0) { + bit = (uint8_t)faad_get1bit(ld); + index = huff[index][bit]; + } + + return index + 15; +} + + +static int8_t sa_delta_clip(drm_ps_info *ps, int8_t i) +{ + if (i < 0) { + /* printf(" SAminclip %d", i); */ + ps->sa_decode_error = 1; + return 0; + } else if (i > 7) { + /* printf(" SAmaxclip %d", i); */ + ps->sa_decode_error = 1; + return 7; + } else { + return i; + } +} + +static int8_t pan_delta_clip(drm_ps_info *ps, int8_t i) +{ + if (i < -7) { + /* printf(" PANminclip %d", i); */ + ps->pan_decode_error = 1; + return -7; + } else if (i > 7) { + /* printf(" PANmaxclip %d", i); */ + ps->pan_decode_error = 1; + return 7; + } else { + return i; + } +} + +static void drm_ps_delta_decode(drm_ps_info *ps) +{ + uint8_t band; + + if (ps->bs_enable_sa) { + if (ps->bs_sa_dt_flag && !ps->g_last_had_sa) { + /* wait until we get a DT frame */ + ps->bs_enable_sa = 0; + } else if (ps->bs_sa_dt_flag) { + /* DT frame, we have a last frame, so we can decode */ + ps->g_sa_index[0] = sa_delta_clip(ps, ps->g_prev_sa_index[0] + ps->bs_sa_data[0]); + } else { + /* DF always decodable */ + ps->g_sa_index[0] = sa_delta_clip(ps, ps->bs_sa_data[0]); + } + + for (band = 1; band < DRM_NUM_SA_BANDS; band++) { + if (ps->bs_sa_dt_flag && ps->g_last_had_sa) { + ps->g_sa_index[band] = sa_delta_clip(ps, ps->g_prev_sa_index[band] + ps->bs_sa_data[band]); + } else if (!ps->bs_sa_dt_flag) { + ps->g_sa_index[band] = sa_delta_clip(ps, ps->g_sa_index[band - 1] + ps->bs_sa_data[band]); + } + } + } + + /* An error during SA decoding implies PAN data will be undecodable, too */ + /* Also, we don't like on/off switching in PS, so we force to last settings */ + if (ps->sa_decode_error) { + ps->pan_decode_error = 1; + ps->bs_enable_pan = ps->g_last_had_pan; + ps->bs_enable_sa = ps->g_last_had_sa; + } + + + if (ps->bs_enable_sa) { + if (ps->sa_decode_error) { + for (band = 0; band < DRM_NUM_SA_BANDS; band++) { + ps->g_sa_index[band] = ps->g_last_good_sa_index[band]; + } + } else { + for (band = 0; band < DRM_NUM_SA_BANDS; band++) { + ps->g_last_good_sa_index[band] = ps->g_sa_index[band]; + } + } + } + + if (ps->bs_enable_pan) { + if (ps->bs_pan_dt_flag && !ps->g_last_had_pan) { + ps->bs_enable_pan = 0; + } else if (ps->bs_pan_dt_flag) { + ps->g_pan_index[0] = pan_delta_clip(ps, ps->g_prev_pan_index[0] + ps->bs_pan_data[0]); + } else { + ps->g_pan_index[0] = pan_delta_clip(ps, ps->bs_pan_data[0]); + } + + for (band = 1; band < DRM_NUM_PAN_BANDS; band++) { + if (ps->bs_pan_dt_flag && ps->g_last_had_pan) { + ps->g_pan_index[band] = pan_delta_clip(ps, ps->g_prev_pan_index[band] + ps->bs_pan_data[band]); + } else if (!ps->bs_pan_dt_flag) { + ps->g_pan_index[band] = pan_delta_clip(ps, ps->g_pan_index[band - 1] + ps->bs_pan_data[band]); + } + } + + if (ps->pan_decode_error) { + for (band = 0; band < DRM_NUM_PAN_BANDS; band++) { + ps->g_pan_index[band] = ps->g_last_good_pan_index[band]; + } + } else { + for (band = 0; band < DRM_NUM_PAN_BANDS; band++) { + ps->g_last_good_pan_index[band] = ps->g_pan_index[band]; + } + } + } +} + +static void drm_calc_sa_side_signal(drm_ps_info *ps, qmf_t X[38][64]) +{ + uint8_t s, b, k; + complex_t qfrac, tmp0, tmp, in, R0; + real_t peakdiff; + real_t nrg; + real_t power; + real_t transratio; + real_t new_delay_slopes[NUM_OF_LINKS]; + uint8_t temp_delay_ser[NUM_OF_LINKS]; + complex_t Phi_Fract; +#ifdef FIXED_POINT + uint32_t in_re, in_im; +#endif + + for (b = 0; b < sa_freq_scale[DRM_NUM_SA_BANDS]; b++) { + /* set delay indices */ + for (k = 0; k < NUM_OF_LINKS; k++) { + temp_delay_ser[k] = ps->delay_buf_index_ser[k]; + } + + RE(Phi_Fract) = RE(Phi_Fract_Qmf[b]); + IM(Phi_Fract) = IM(Phi_Fract_Qmf[b]); + + for (s = 0; s < NUM_OF_SUBSAMPLES; s++) { + const real_t gamma = REAL_CONST(1.5); + const real_t sigma = REAL_CONST(1.5625); + + RE(in) = QMF_RE(X[s][b]); + IM(in) = QMF_IM(X[s][b]); + +#ifdef FIXED_POINT + /* NOTE: all input is scaled by 2^(-5) because of fixed point QMF + * meaning that P will be scaled by 2^(-10) compared to floating point version + */ + in_re = ((abs(RE(in)) + (1 << (REAL_BITS - 1))) >> REAL_BITS); + in_im = ((abs(IM(in)) + (1 << (REAL_BITS - 1))) >> REAL_BITS); + power = in_re * in_re + in_im * in_im; +#else + power = MUL_R(RE(in), RE(in)) + MUL_R(IM(in), IM(in)); +#endif + + ps->peakdecay_fast[b] = MUL_F(ps->peakdecay_fast[b], peak_decay); + if (ps->peakdecay_fast[b] < power) { + ps->peakdecay_fast[b] = power; + } + + peakdiff = ps->prev_peakdiff[b]; + peakdiff += MUL_F((ps->peakdecay_fast[b] - power - ps->prev_peakdiff[b]), smooth_coeff); + ps->prev_peakdiff[b] = peakdiff; + + nrg = ps->prev_nrg[b]; + nrg += MUL_F((power - ps->prev_nrg[b]), smooth_coeff); + ps->prev_nrg[b] = nrg; + + if (MUL_R(peakdiff, gamma) <= nrg) { + transratio = sigma; + } else { + transratio = MUL_R(DIV_R(nrg, MUL_R(peakdiff, gamma)), sigma); + } + + for (k = 0; k < NUM_OF_LINKS; k++) { + new_delay_slopes[k] = MUL_F(g_decayslope[b], filter_coeff[k]); + } + + RE(tmp0) = RE(ps->d_buff[0][b]); + IM(tmp0) = IM(ps->d_buff[0][b]); + + RE(ps->d_buff[0][b]) = RE(ps->d_buff[1][b]); + IM(ps->d_buff[0][b]) = IM(ps->d_buff[1][b]); + + RE(ps->d_buff[1][b]) = RE(in); + IM(ps->d_buff[1][b]) = IM(in); + + ComplexMult(&RE(tmp), &IM(tmp), RE(tmp0), IM(tmp0), RE(Phi_Fract), IM(Phi_Fract)); + + RE(R0) = RE(tmp); + IM(R0) = IM(tmp); + + for (k = 0; k < NUM_OF_LINKS; k++) { + RE(qfrac) = RE(Q_Fract_allpass_Qmf[b][k]); + IM(qfrac) = IM(Q_Fract_allpass_Qmf[b][k]); + + RE(tmp0) = RE(ps->d2_buff[k][temp_delay_ser[k]][b]); + IM(tmp0) = IM(ps->d2_buff[k][temp_delay_ser[k]][b]); + + ComplexMult(&RE(tmp), &IM(tmp), RE(tmp0), IM(tmp0), RE(qfrac), IM(qfrac)); + + RE(tmp) += -MUL_F(new_delay_slopes[k], RE(R0)); + IM(tmp) += -MUL_F(new_delay_slopes[k], IM(R0)); + + RE(ps->d2_buff[k][temp_delay_ser[k]][b]) = RE(R0) + MUL_F(new_delay_slopes[k], RE(tmp)); + IM(ps->d2_buff[k][temp_delay_ser[k]][b]) = IM(R0) + MUL_F(new_delay_slopes[k], IM(tmp)); + + RE(R0) = RE(tmp); + IM(R0) = IM(tmp); + } + + QMF_RE(ps->SA[s][b]) = MUL_R(RE(R0), transratio); + QMF_IM(ps->SA[s][b]) = MUL_R(IM(R0), transratio); + + for (k = 0; k < NUM_OF_LINKS; k++) { + if (++temp_delay_ser[k] >= delay_length[k]) { + temp_delay_ser[k] = 0; + } + } + } + } + + for (k = 0; k < NUM_OF_LINKS; k++) { + ps->delay_buf_index_ser[k] = temp_delay_ser[k]; + } +} + +static void drm_add_ambiance(drm_ps_info *ps, qmf_t X_left[38][64], qmf_t X_right[38][64]) +{ + uint8_t s, b, ifreq, qclass; + real_t sa_map[MAX_SA_BAND], sa_dir_map[MAX_SA_BAND], k_sa_map[MAX_SA_BAND], k_sa_dir_map[MAX_SA_BAND]; + real_t new_dir_map, new_sa_map; + + if (ps->bs_enable_sa) { + /* Instead of dequantization and mapping, we use an inverse mapping + to look up all the values we need */ + for (b = 0; b < sa_freq_scale[DRM_NUM_SA_BANDS]; b++) { + const real_t inv_f_num_of_subsamples = FRAC_CONST(0.03333333333); + + ifreq = sa_inv_freq[b]; + qclass = (b != 0); + + sa_map[b] = sa_quant[ps->g_prev_sa_index[ifreq]][qclass]; + new_sa_map = sa_quant[ps->g_sa_index[ifreq]][qclass]; + + k_sa_map[b] = MUL_F(inv_f_num_of_subsamples, (new_sa_map - sa_map[b])); + + sa_dir_map[b] = sa_sqrt_1_minus[ps->g_prev_sa_index[ifreq]][qclass]; + new_dir_map = sa_sqrt_1_minus[ps->g_sa_index[ifreq]][qclass]; + + k_sa_dir_map[b] = MUL_F(inv_f_num_of_subsamples, (new_dir_map - sa_dir_map[b])); + + } + + for (s = 0; s < NUM_OF_SUBSAMPLES; s++) { + for (b = 0; b < sa_freq_scale[DRM_NUM_SA_BANDS]; b++) { + QMF_RE(X_right[s][b]) = MUL_F(QMF_RE(X_left[s][b]), sa_dir_map[b]) - MUL_F(QMF_RE(ps->SA[s][b]), sa_map[b]); + QMF_IM(X_right[s][b]) = MUL_F(QMF_IM(X_left[s][b]), sa_dir_map[b]) - MUL_F(QMF_IM(ps->SA[s][b]), sa_map[b]); + QMF_RE(X_left[s][b]) = MUL_F(QMF_RE(X_left[s][b]), sa_dir_map[b]) + MUL_F(QMF_RE(ps->SA[s][b]), sa_map[b]); + QMF_IM(X_left[s][b]) = MUL_F(QMF_IM(X_left[s][b]), sa_dir_map[b]) + MUL_F(QMF_IM(ps->SA[s][b]), sa_map[b]); + + sa_map[b] += k_sa_map[b]; + sa_dir_map[b] += k_sa_dir_map[b]; + } + for (b = sa_freq_scale[DRM_NUM_SA_BANDS]; b < NUM_OF_QMF_CHANNELS; b++) { + QMF_RE(X_right[s][b]) = QMF_RE(X_left[s][b]); + QMF_IM(X_right[s][b]) = QMF_IM(X_left[s][b]); + } + } + } else { + for (s = 0; s < NUM_OF_SUBSAMPLES; s++) { + for (b = 0; b < NUM_OF_QMF_CHANNELS; b++) { + QMF_RE(X_right[s][b]) = QMF_RE(X_left[s][b]); + QMF_IM(X_right[s][b]) = QMF_IM(X_left[s][b]); + } + } + } +} + +static void drm_add_pan(drm_ps_info *ps, qmf_t X_left[38][64], qmf_t X_right[38][64]) +{ + uint8_t s, b, qclass, ifreq; + real_t tmp, coeff1, coeff2; + real_t pan_base[MAX_PAN_BAND]; + real_t pan_delta[MAX_PAN_BAND]; + qmf_t temp_l, temp_r; + + if (ps->bs_enable_pan) { + for (b = 0; b < NUM_OF_QMF_CHANNELS; b++) { + /* Instead of dequantization, 20->64 mapping and 2^G(x,y) we do an + inverse mapping 64->20 and look up the 2^G(x,y) values directly */ + ifreq = pan_inv_freq[b]; + qclass = pan_quant_class[ifreq]; + + if (ps->g_prev_pan_index[ifreq] >= 0) { + pan_base[b] = pan_pow_2_pos[ps->g_prev_pan_index[ifreq]][qclass]; + } else { + pan_base[b] = pan_pow_2_neg[-ps->g_prev_pan_index[ifreq]][qclass]; + } + + /* 2^((a-b)/30) = 2^(a/30) * 1/(2^(b/30)) */ + /* a en b can be negative so we may need to inverse parts */ + if (ps->g_pan_index[ifreq] >= 0) { + if (ps->g_prev_pan_index[ifreq] >= 0) { + pan_delta[b] = MUL_C(pan_pow_2_30_pos[ps->g_pan_index[ifreq]][qclass], + pan_pow_2_30_neg[ps->g_prev_pan_index[ifreq]][qclass]); + } else { + pan_delta[b] = MUL_C(pan_pow_2_30_pos[ps->g_pan_index[ifreq]][qclass], + pan_pow_2_30_pos[-ps->g_prev_pan_index[ifreq]][qclass]); + } + } else { + if (ps->g_prev_pan_index[ifreq] >= 0) { + pan_delta[b] = MUL_C(pan_pow_2_30_neg[-ps->g_pan_index[ifreq]][qclass], + pan_pow_2_30_neg[ps->g_prev_pan_index[ifreq]][qclass]); + } else { + pan_delta[b] = MUL_C(pan_pow_2_30_neg[-ps->g_pan_index[ifreq]][qclass], + pan_pow_2_30_pos[-ps->g_prev_pan_index[ifreq]][qclass]); + } + } + } + + for (s = 0; s < NUM_OF_SUBSAMPLES; s++) { + /* PAN always uses all 64 channels */ + for (b = 0; b < NUM_OF_QMF_CHANNELS; b++) { + tmp = pan_base[b]; + + coeff2 = DIV_R(REAL_CONST(2.0), (REAL_CONST(1.0) + tmp)); + coeff1 = MUL_R(coeff2, tmp); + + QMF_RE(temp_l) = QMF_RE(X_left[s][b]); + QMF_IM(temp_l) = QMF_IM(X_left[s][b]); + QMF_RE(temp_r) = QMF_RE(X_right[s][b]); + QMF_IM(temp_r) = QMF_IM(X_right[s][b]); + + QMF_RE(X_left[s][b]) = MUL_R(QMF_RE(temp_l), coeff1); + QMF_IM(X_left[s][b]) = MUL_R(QMF_IM(temp_l), coeff1); + QMF_RE(X_right[s][b]) = MUL_R(QMF_RE(temp_r), coeff2); + QMF_IM(X_right[s][b]) = MUL_R(QMF_IM(temp_r), coeff2); + + /* 2^(a+k*b) = 2^a * 2^b * ... * 2^b */ + /* ^^^^^^^^^^^^^^^ k times */ + pan_base[b] = MUL_C(pan_base[b], pan_delta[b]); + } + } + } +} + +drm_ps_info *drm_ps_init(void) +{ + drm_ps_info *ps = (drm_ps_info*)faad_malloc(sizeof(drm_ps_info)); + + memset(ps, 0, sizeof(drm_ps_info)); + + return ps; +} + +void drm_ps_free(drm_ps_info *ps) +{ + faad_free(ps); +} + +/* main DRM PS decoding function */ +uint8_t drm_ps_decode(drm_ps_info *ps, uint8_t guess, qmf_t X_left[38][64], qmf_t X_right[38][64]) +{ + if (ps == NULL) { + memcpy(X_right, X_left, sizeof(qmf_t) * 30 * 64); + return 0; + } + + if (!ps->drm_ps_data_available && !guess) { + memcpy(X_right, X_left, sizeof(qmf_t) * 30 * 64); + memset(ps->g_prev_sa_index, 0, sizeof(ps->g_prev_sa_index)); + memset(ps->g_prev_pan_index, 0, sizeof(ps->g_prev_pan_index)); + return 0; + } + + /* if SBR CRC doesn't match out, we can assume decode errors to start with, + and we'll guess what the parameters should be */ + if (!guess) { + ps->sa_decode_error = 0; + ps->pan_decode_error = 0; + drm_ps_delta_decode(ps); + } else { + ps->sa_decode_error = 1; + ps->pan_decode_error = 1; + /* don't even bother decoding */ + } + + ps->drm_ps_data_available = 0; + + drm_calc_sa_side_signal(ps, X_left); + drm_add_ambiance(ps, X_left, X_right); + + if (ps->bs_enable_sa) { + ps->g_last_had_sa = 1; + + memcpy(ps->g_prev_sa_index, ps->g_sa_index, sizeof(int8_t) * DRM_NUM_SA_BANDS); + + } else { + ps->g_last_had_sa = 0; + } + + if (ps->bs_enable_pan) { + drm_add_pan(ps, X_left, X_right); + + ps->g_last_had_pan = 1; + + memcpy(ps->g_prev_pan_index, ps->g_pan_index, sizeof(int8_t) * DRM_NUM_PAN_BANDS); + + } else { + ps->g_last_had_pan = 0; + } + + + return 0; +} + +#endif diff --git a/audio_codec/libfaad/drm_dec.h b/audio_codec/libfaad/drm_dec.h new file mode 100644 index 0000000..95b06e1 --- a/dev/null +++ b/audio_codec/libfaad/drm_dec.h @@ -0,0 +1,99 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: drm_dec.h,v 1.8 2007/11/01 12:33:30 menno Exp $ +**/ + +#ifndef __DRM_DEC_H__ +#define __DRM_DEC_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "bits.h" + +#define DRM_PARAMETRIC_STEREO 0 +#define DRM_NUM_SA_BANDS 8 +#define DRM_NUM_PAN_BANDS 20 +#define NUM_OF_LINKS 3 +#define NUM_OF_QMF_CHANNELS 64 +#define NUM_OF_SUBSAMPLES 30 +#define MAX_SA_BAND 46 +#define MAX_PAN_BAND 64 +#define MAX_DELAY 5 + + typedef struct { + uint8_t drm_ps_data_available; + uint8_t bs_enable_sa; + uint8_t bs_enable_pan; + + uint8_t bs_sa_dt_flag; + uint8_t bs_pan_dt_flag; + + uint8_t g_last_had_sa; + uint8_t g_last_had_pan; + + int8_t bs_sa_data[DRM_NUM_SA_BANDS]; + int8_t bs_pan_data[DRM_NUM_PAN_BANDS]; + + int8_t g_sa_index[DRM_NUM_SA_BANDS]; + int8_t g_pan_index[DRM_NUM_PAN_BANDS]; + int8_t g_prev_sa_index[DRM_NUM_SA_BANDS]; + int8_t g_prev_pan_index[DRM_NUM_PAN_BANDS]; + + int8_t sa_decode_error; + int8_t pan_decode_error; + + int8_t g_last_good_sa_index[DRM_NUM_SA_BANDS]; + int8_t g_last_good_pan_index[DRM_NUM_PAN_BANDS]; + + qmf_t SA[NUM_OF_SUBSAMPLES][MAX_SA_BAND]; + + complex_t d_buff[2][MAX_SA_BAND]; + complex_t d2_buff[NUM_OF_LINKS][MAX_DELAY][MAX_SA_BAND]; + + uint8_t delay_buf_index_ser[NUM_OF_LINKS]; + + real_t prev_nrg[MAX_SA_BAND]; + real_t prev_peakdiff[MAX_SA_BAND]; + real_t peakdecay_fast[MAX_SA_BAND]; + } drm_ps_info; + + + uint16_t drm_ps_data(drm_ps_info *ps, bitfile *ld); + + drm_ps_info *drm_ps_init(void); + void drm_ps_free(drm_ps_info *ps); + + uint8_t drm_ps_decode(drm_ps_info *ps, uint8_t guess, qmf_t X_left[38][64], qmf_t X_right[38][64]); + +#ifdef __cplusplus +} +#endif +#endif + diff --git a/audio_codec/libfaad/error.c b/audio_codec/libfaad/error.c new file mode 100644 index 0000000..f048c30 --- a/dev/null +++ b/audio_codec/libfaad/error.c @@ -0,0 +1,72 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: error.c,v 1.33 2008/09/19 23:31:39 menno Exp $ +**/ + +#include "common.h" +#include "error.h" + +char *err_msg[] = { + "No error", + "Gain control not yet implemented", + "Pulse coding not allowed in short blocks", + "Invalid huffman codebook", + "Scalefactor out of range", + "Unable to find ADTS syncword", + "Channel coupling not yet implemented", + "Channel configuration not allowed in error resilient frame", + "Bit error in error resilient scalefactor decoding", + "Error decoding huffman scalefactor (bitstream error)", + "Error decoding huffman codeword (bitstream error)", + "Non existent huffman codebook number found", + "Invalid number of channels", + "Maximum number of bitstream elements exceeded", + "Input data buffer too small", + "Array index out of range", + "Maximum number of scalefactor bands exceeded", + "Quantised value out of range", + "LTP lag out of range", + "Invalid SBR parameter decoded", + "SBR called without being initialised", + "Unexpected channel configuration change", + "Error in program_config_element", + "First SBR frame is not the same as first AAC frame", + "Unexpected fill element with SBR data", + "Not all elements were provided with SBR data", + "LTP decoding not available", + "Output data buffer too small", + "CRC error in DRM data", + "PNS not allowed in DRM data stream", + "No standard extension payload allowed in DRM", + "PCE shall be the first element in a frame", + "Bitstream value not allowed by specification", + "MAIN prediction not initialised", + "channel cofigure and sample rate changed ", + " more data needed", +}; + diff --git a/audio_codec/libfaad/error.h b/audio_codec/libfaad/error.h new file mode 100644 index 0000000..36d2d47 --- a/dev/null +++ b/audio_codec/libfaad/error.h @@ -0,0 +1,44 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: error.h,v 1.27 2008/09/19 23:31:40 menno Exp $ +**/ + +#ifndef __ERROR_H__ +#define __ERROR_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#define NUM_ERROR_MESSAGES 36 + extern char *err_msg[]; + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/filtbank.c b/audio_codec/libfaad/filtbank.c new file mode 100644 index 0000000..c115c51 --- a/dev/null +++ b/audio_codec/libfaad/filtbank.c @@ -0,0 +1,408 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: filtbank.c,v 1.46 2009/01/26 23:51:15 menno Exp $ +**/ +#include +#include "common.h" +#include "structs.h" + +#include +#ifdef _WIN32_WCE +#define assert(x) +#else +#include +#endif + +#include "filtbank.h" +#include "syntax.h" +#include "kbd_win.h" +#include "sine_win.h" +#include "mdct.h" + + +fb_info *filter_bank_init(uint16_t frame_len) +{ + uint16_t nshort = frame_len / 8; +#ifdef LD_DEC + uint16_t frame_len_ld = frame_len / 2; +#endif + + fb_info *fb = (fb_info*)faad_malloc(sizeof(fb_info)); + memset(fb, 0, sizeof(fb_info)); + + /* normal */ + fb->mdct256 = faad_mdct_init(2 * nshort); + fb->mdct2048 = faad_mdct_init(2 * frame_len); +#ifdef LD_DEC + /* LD */ + fb->mdct1024 = faad_mdct_init(2 * frame_len_ld); +#endif + +#ifdef ALLOW_SMALL_FRAMELENGTH + if (frame_len == 1024) { +#endif + fb->long_window[0] = sine_long_1024; + fb->short_window[0] = sine_short_128; + fb->long_window[1] = kbd_long_1024; + fb->short_window[1] = kbd_short_128; +#ifdef LD_DEC + fb->ld_window[0] = sine_mid_512; + fb->ld_window[1] = ld_mid_512; +#endif +#ifdef ALLOW_SMALL_FRAMELENGTH + } else /* (frame_len == 960) */ { + fb->long_window[0] = sine_long_960; + fb->short_window[0] = sine_short_120; + fb->long_window[1] = kbd_long_960; + fb->short_window[1] = kbd_short_120; +#ifdef LD_DEC + fb->ld_window[0] = sine_mid_480; + fb->ld_window[1] = ld_mid_480; +#endif + } +#endif + + return fb; +} + +void filter_bank_end(fb_info *fb) +{ + if (fb != NULL) { +#ifdef PROFILE + printf("FB: %I64d cycles\n", fb->cycles); +#endif + + faad_mdct_end(fb->mdct256); + faad_mdct_end(fb->mdct2048); +#ifdef LD_DEC + faad_mdct_end(fb->mdct1024); +#endif + + faad_free(fb); + } +} + +static INLINE void imdct_long(fb_info *fb, real_t *in_data, real_t *out_data, uint16_t len) +{ +#ifdef LD_DEC + mdct_info *mdct = NULL; + + switch (len) { + case 2048: + case 1920: + mdct = fb->mdct2048; + break; + case 1024: + case 960: + mdct = fb->mdct1024; + break; + } + + faad_imdct(mdct, in_data, out_data); +#else + faad_imdct(fb->mdct2048, in_data, out_data); +#endif +} + + +#ifdef LTP_DEC +static INLINE void mdct(fb_info *fb, real_t *in_data, real_t *out_data, uint16_t len) +{ + mdct_info *mdct = NULL; + + switch (len) { + case 2048: + case 1920: + mdct = fb->mdct2048; + break; + case 256: + case 240: + mdct = fb->mdct256; + break; +#ifdef LD_DEC + case 1024: + case 960: + mdct = fb->mdct1024; + break; +#endif + } + + faad_mdct(mdct, in_data, out_data); +} +#endif + +void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape, + uint8_t window_shape_prev, real_t *freq_in, + real_t *time_out, real_t *overlap, + uint8_t object_type, uint16_t frame_len) +{ + int16_t i; + ALIGN real_t transf_buf[2 * 1024] = {0}; + + const real_t *window_long = NULL; + const real_t *window_long_prev = NULL; + const real_t *window_short = NULL; + const real_t *window_short_prev = NULL; + + uint16_t nlong = frame_len; + uint16_t nshort = frame_len / 8; + uint16_t trans = nshort / 2; + + uint16_t nflat_ls = (nlong - nshort) / 2; + +#ifdef PROFILE + int64_t count = faad_get_ts(); +#endif + + /* select windows of current frame and previous frame (Sine or KBD) */ +#ifdef LD_DEC + if (object_type == LD) { + window_long = fb->ld_window[window_shape]; + window_long_prev = fb->ld_window[window_shape_prev]; + } else { +#endif + window_long = fb->long_window[window_shape]; + window_long_prev = fb->long_window[window_shape_prev]; + window_short = fb->short_window[window_shape]; + window_short_prev = fb->short_window[window_shape_prev]; +#ifdef LD_DEC + } +#endif + +#if 0 + for (i = 0; i < 1024; i++) { + printf("%d\n", freq_in[i]); + } +#endif + +#if 0 + printf("%d %d\n", window_sequence, window_shape); +#endif + + switch (window_sequence) { + case ONLY_LONG_SEQUENCE: + /* perform iMDCT */ + imdct_long(fb, freq_in, transf_buf, 2 * nlong); + + /* add second half output of previous frame to windowed output of current frame */ + for (i = 0; i < nlong; i += 4) { + time_out[i] = overlap[i] + MUL_F(transf_buf[i], window_long_prev[i]); + time_out[i + 1] = overlap[i + 1] + MUL_F(transf_buf[i + 1], window_long_prev[i + 1]); + time_out[i + 2] = overlap[i + 2] + MUL_F(transf_buf[i + 2], window_long_prev[i + 2]); + time_out[i + 3] = overlap[i + 3] + MUL_F(transf_buf[i + 3], window_long_prev[i + 3]); + } + + /* window the second half and save as overlap for next frame */ + for (i = 0; i < nlong; i += 4) { + overlap[i] = MUL_F(transf_buf[nlong + i], window_long[nlong - 1 - i]); + overlap[i + 1] = MUL_F(transf_buf[nlong + i + 1], window_long[nlong - 2 - i]); + overlap[i + 2] = MUL_F(transf_buf[nlong + i + 2], window_long[nlong - 3 - i]); + overlap[i + 3] = MUL_F(transf_buf[nlong + i + 3], window_long[nlong - 4 - i]); + } + break; + + case LONG_START_SEQUENCE: + /* perform iMDCT */ + imdct_long(fb, freq_in, transf_buf, 2 * nlong); + + /* add second half output of previous frame to windowed output of current frame */ + for (i = 0; i < nlong; i += 4) { + time_out[i] = overlap[i] + MUL_F(transf_buf[i], window_long_prev[i]); + time_out[i + 1] = overlap[i + 1] + MUL_F(transf_buf[i + 1], window_long_prev[i + 1]); + time_out[i + 2] = overlap[i + 2] + MUL_F(transf_buf[i + 2], window_long_prev[i + 2]); + time_out[i + 3] = overlap[i + 3] + MUL_F(transf_buf[i + 3], window_long_prev[i + 3]); + } + + /* window the second half and save as overlap for next frame */ + /* construct second half window using padding with 1's and 0's */ + for (i = 0; i < nflat_ls; i++) { + overlap[i] = transf_buf[nlong + i]; + } + for (i = 0; i < nshort; i++) { + overlap[nflat_ls + i] = MUL_F(transf_buf[nlong + nflat_ls + i], window_short[nshort - i - 1]); + } + for (i = 0; i < nflat_ls; i++) { + overlap[nflat_ls + nshort + i] = 0; + } + break; + + case EIGHT_SHORT_SEQUENCE: + /* perform iMDCT for each short block */ + faad_imdct(fb->mdct256, freq_in + 0 * nshort, transf_buf + 2 * nshort * 0); + faad_imdct(fb->mdct256, freq_in + 1 * nshort, transf_buf + 2 * nshort * 1); + faad_imdct(fb->mdct256, freq_in + 2 * nshort, transf_buf + 2 * nshort * 2); + faad_imdct(fb->mdct256, freq_in + 3 * nshort, transf_buf + 2 * nshort * 3); + faad_imdct(fb->mdct256, freq_in + 4 * nshort, transf_buf + 2 * nshort * 4); + faad_imdct(fb->mdct256, freq_in + 5 * nshort, transf_buf + 2 * nshort * 5); + faad_imdct(fb->mdct256, freq_in + 6 * nshort, transf_buf + 2 * nshort * 6); + faad_imdct(fb->mdct256, freq_in + 7 * nshort, transf_buf + 2 * nshort * 7); + + /* add second half output of previous frame to windowed output of current frame */ + for (i = 0; i < nflat_ls; i++) { + time_out[i] = overlap[i]; + } + for (i = 0; i < nshort; i++) { + time_out[nflat_ls + i] = overlap[nflat_ls + i] + MUL_F(transf_buf[nshort * 0 + i], window_short_prev[i]); + time_out[nflat_ls + 1 * nshort + i] = overlap[nflat_ls + nshort * 1 + i] + MUL_F(transf_buf[nshort * 1 + i], window_short[nshort - 1 - i]) + MUL_F(transf_buf[nshort * 2 + i], window_short[i]); + time_out[nflat_ls + 2 * nshort + i] = overlap[nflat_ls + nshort * 2 + i] + MUL_F(transf_buf[nshort * 3 + i], window_short[nshort - 1 - i]) + MUL_F(transf_buf[nshort * 4 + i], window_short[i]); + time_out[nflat_ls + 3 * nshort + i] = overlap[nflat_ls + nshort * 3 + i] + MUL_F(transf_buf[nshort * 5 + i], window_short[nshort - 1 - i]) + MUL_F(transf_buf[nshort * 6 + i], window_short[i]); + if (i < trans) { + time_out[nflat_ls + 4 * nshort + i] = overlap[nflat_ls + nshort * 4 + i] + MUL_F(transf_buf[nshort * 7 + i], window_short[nshort - 1 - i]) + MUL_F(transf_buf[nshort * 8 + i], window_short[i]); + } + } + + /* window the second half and save as overlap for next frame */ + for (i = 0; i < nshort; i++) { + if (i >= trans) { + overlap[nflat_ls + 4 * nshort + i - nlong] = MUL_F(transf_buf[nshort * 7 + i], window_short[nshort - 1 - i]) + MUL_F(transf_buf[nshort * 8 + i], window_short[i]); + } + overlap[nflat_ls + 5 * nshort + i - nlong] = MUL_F(transf_buf[nshort * 9 + i], window_short[nshort - 1 - i]) + MUL_F(transf_buf[nshort * 10 + i], window_short[i]); + overlap[nflat_ls + 6 * nshort + i - nlong] = MUL_F(transf_buf[nshort * 11 + i], window_short[nshort - 1 - i]) + MUL_F(transf_buf[nshort * 12 + i], window_short[i]); + overlap[nflat_ls + 7 * nshort + i - nlong] = MUL_F(transf_buf[nshort * 13 + i], window_short[nshort - 1 - i]) + MUL_F(transf_buf[nshort * 14 + i], window_short[i]); + overlap[nflat_ls + 8 * nshort + i - nlong] = MUL_F(transf_buf[nshort * 15 + i], window_short[nshort - 1 - i]); + } + for (i = 0; i < nflat_ls; i++) { + overlap[nflat_ls + nshort + i] = 0; + } + break; + + case LONG_STOP_SEQUENCE: + /* perform iMDCT */ + imdct_long(fb, freq_in, transf_buf, 2 * nlong); + + /* add second half output of previous frame to windowed output of current frame */ + /* construct first half window using padding with 1's and 0's */ + for (i = 0; i < nflat_ls; i++) { + time_out[i] = overlap[i]; + } + for (i = 0; i < nshort; i++) { + time_out[nflat_ls + i] = overlap[nflat_ls + i] + MUL_F(transf_buf[nflat_ls + i], window_short_prev[i]); + } + for (i = 0; i < nflat_ls; i++) { + time_out[nflat_ls + nshort + i] = overlap[nflat_ls + nshort + i] + transf_buf[nflat_ls + nshort + i]; + } + + /* window the second half and save as overlap for next frame */ + for (i = 0; i < nlong; i++) { + overlap[i] = MUL_F(transf_buf[nlong + i], window_long[nlong - 1 - i]); + } + break; + } + +#if 0 + for (i = 0; i < 1024; i++) { + printf("%d\n", time_out[i]); + //printf("0x%.8X\n", time_out[i]); + } +#endif + + +#ifdef PROFILE + count = faad_get_ts() - count; + fb->cycles += count; +#endif +} + + +#ifdef LTP_DEC +/* only works for LTP -> no overlapping, no short blocks */ +void filter_bank_ltp(fb_info *fb, uint8_t window_sequence, uint8_t window_shape, + uint8_t window_shape_prev, real_t *in_data, real_t *out_mdct, + uint8_t object_type, uint16_t frame_len) +{ + int16_t i; + ALIGN real_t windowed_buf[2 * 1024] = {0}; + + const real_t *window_long = NULL; + const real_t *window_long_prev = NULL; + const real_t *window_short = NULL; + const real_t *window_short_prev = NULL; + + uint16_t nlong = frame_len; + uint16_t nshort = frame_len / 8; + uint16_t nflat_ls = (nlong - nshort) / 2; + + assert(window_sequence != EIGHT_SHORT_SEQUENCE); + +#ifdef LD_DEC + if (object_type == LD) { + window_long = fb->ld_window[window_shape]; + window_long_prev = fb->ld_window[window_shape_prev]; + } else { +#endif + window_long = fb->long_window[window_shape]; + window_long_prev = fb->long_window[window_shape_prev]; + window_short = fb->short_window[window_shape]; + window_short_prev = fb->short_window[window_shape_prev]; +#ifdef LD_DEC + } +#endif + + switch (window_sequence) { + case ONLY_LONG_SEQUENCE: + for (i = nlong - 1; i >= 0; i--) { + windowed_buf[i] = MUL_F(in_data[i], window_long_prev[i]); + windowed_buf[i + nlong] = MUL_F(in_data[i + nlong], window_long[nlong - 1 - i]); + } + mdct(fb, windowed_buf, out_mdct, 2 * nlong); + break; + + case LONG_START_SEQUENCE: + for (i = 0; i < nlong; i++) { + windowed_buf[i] = MUL_F(in_data[i], window_long_prev[i]); + } + for (i = 0; i < nflat_ls; i++) { + windowed_buf[i + nlong] = in_data[i + nlong]; + } + for (i = 0; i < nshort; i++) { + windowed_buf[i + nlong + nflat_ls] = MUL_F(in_data[i + nlong + nflat_ls], window_short[nshort - 1 - i]); + } + for (i = 0; i < nflat_ls; i++) { + windowed_buf[i + nlong + nflat_ls + nshort] = 0; + } + mdct(fb, windowed_buf, out_mdct, 2 * nlong); + break; + + case LONG_STOP_SEQUENCE: + for (i = 0; i < nflat_ls; i++) { + windowed_buf[i] = 0; + } + for (i = 0; i < nshort; i++) { + windowed_buf[i + nflat_ls] = MUL_F(in_data[i + nflat_ls], window_short_prev[i]); + } + for (i = 0; i < nflat_ls; i++) { + windowed_buf[i + nflat_ls + nshort] = in_data[i + nflat_ls + nshort]; + } + for (i = 0; i < nlong; i++) { + windowed_buf[i + nlong] = MUL_F(in_data[i + nlong], window_long[nlong - 1 - i]); + } + mdct(fb, windowed_buf, out_mdct, 2 * nlong); + break; + } +} +#endif diff --git a/audio_codec/libfaad/filtbank.h b/audio_codec/libfaad/filtbank.h new file mode 100644 index 0000000..bddc2ab --- a/dev/null +++ b/audio_codec/libfaad/filtbank.h @@ -0,0 +1,61 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: filtbank.h,v 1.27 2007/11/01 12:33:30 menno Exp $ +**/ + +#ifndef __FILTBANK_H__ +#define __FILTBANK_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + + fb_info *filter_bank_init(uint16_t frame_len); + void filter_bank_end(fb_info *fb); + +#ifdef LTP_DEC + void filter_bank_ltp(fb_info *fb, + uint8_t window_sequence, + uint8_t window_shape, + uint8_t window_shape_prev, + real_t *in_data, + real_t *out_mdct, + uint8_t object_type, + uint16_t frame_len); +#endif + + void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape, + uint8_t window_shape_prev, real_t *freq_in, + real_t *time_out, real_t *overlap, + uint8_t object_type, uint16_t frame_len); + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/fixed.h b/audio_codec/libfaad/fixed.h new file mode 100644 index 0000000..20f45cf --- a/dev/null +++ b/audio_codec/libfaad/fixed.h @@ -0,0 +1,287 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: fixed.h,v 1.32 2007/11/01 12:33:30 menno Exp $ +**/ + +#ifndef __FIXED_H__ +#define __FIXED_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(_WIN32_WCE) && defined(_ARM_) +#include +#endif + + +#define COEF_BITS 28 +#define COEF_PRECISION (1 << COEF_BITS) +#define REAL_BITS 14 // MAXIMUM OF 14 FOR FIXED POINT SBR +#define REAL_PRECISION (1 << REAL_BITS) + + /* FRAC is the fractional only part of the fixed point number [0.0..1.0) */ +#define FRAC_SIZE 32 /* frac is a 32 bit integer */ +#define FRAC_BITS 31 +#define FRAC_PRECISION ((uint32_t)(1 << FRAC_BITS)) +#define FRAC_MAX 0x7FFFFFFF + + typedef int32_t real_t; + + +#define REAL_CONST(A) (((A) >= 0) ? ((real_t)((A)*(REAL_PRECISION)+0.5)) : ((real_t)((A)*(REAL_PRECISION)-0.5))) +#define COEF_CONST(A) (((A) >= 0) ? ((real_t)((A)*(COEF_PRECISION)+0.5)) : ((real_t)((A)*(COEF_PRECISION)-0.5))) +#define FRAC_CONST(A) (((A) == 1.00) ? ((real_t)FRAC_MAX) : (((A) >= 0) ? ((real_t)((A)*(FRAC_PRECISION)+0.5)) : ((real_t)((A)*(FRAC_PRECISION)-0.5)))) + //#define FRAC_CONST(A) (((A) >= 0) ? ((real_t)((A)*(FRAC_PRECISION)+0.5)) : ((real_t)((A)*(FRAC_PRECISION)-0.5))) + +#define Q2_BITS 22 +#define Q2_PRECISION (1 << Q2_BITS) +#define Q2_CONST(A) (((A) >= 0) ? ((real_t)((A)*(Q2_PRECISION)+0.5)) : ((real_t)((A)*(Q2_PRECISION)-0.5))) + +#if defined(_WIN32) && !defined(_WIN32_WCE) + + /* multiply with real shift */ + static INLINE real_t MUL_R(real_t A, real_t B) + { + _asm { + mov eax, A + imul B + shrd eax, edx, REAL_BITS + } + } + + /* multiply with coef shift */ + static INLINE real_t MUL_C(real_t A, real_t B) + { + _asm { + mov eax, A + imul B + shrd eax, edx, COEF_BITS + } + } + + static INLINE real_t MUL_Q2(real_t A, real_t B) + { + _asm { + mov eax, A + imul B + shrd eax, edx, Q2_BITS + } + } + + static INLINE real_t MUL_SHIFT6(real_t A, real_t B) + { + _asm { + mov eax, A + imul B + shrd eax, edx, 6 + } + } + + static INLINE real_t MUL_SHIFT23(real_t A, real_t B) + { + _asm { + mov eax, A + imul B + shrd eax, edx, 23 + } + } + +#if 1 + static INLINE real_t _MulHigh(real_t A, real_t B) + { + _asm { + mov eax, A + imul B + mov eax, edx + } + } + + /* multiply with fractional shift */ + static INLINE real_t MUL_F(real_t A, real_t B) + { + return _MulHigh(A, B) << (FRAC_SIZE - FRAC_BITS); + } + + /* Complex multiplication */ + static INLINE void ComplexMult(real_t *y1, real_t *y2, + real_t x1, real_t x2, real_t c1, real_t c2) + { + *y1 = (_MulHigh(x1, c1) + _MulHigh(x2, c2)) << (FRAC_SIZE - FRAC_BITS); + *y2 = (_MulHigh(x2, c1) - _MulHigh(x1, c2)) << (FRAC_SIZE - FRAC_BITS); + } +#else + static INLINE real_t MUL_F(real_t A, real_t B) + { + _asm { + mov eax, A + imul B + shrd eax, edx, FRAC_BITS + } + } + + /* Complex multiplication */ + static INLINE void ComplexMult(real_t *y1, real_t *y2, + real_t x1, real_t x2, real_t c1, real_t c2) + { + *y1 = MUL_F(x1, c1) + MUL_F(x2, c2); + *y2 = MUL_F(x2, c1) - MUL_F(x1, c2); + } +#endif + +#elif defined(__GNUC__) && defined (__arm__) + + /* taken from MAD */ +#define arm_mul(x, y, SCALEBITS) \ +({ \ + uint32_t __hi; \ + uint32_t __lo; \ + uint32_t __result; \ + asm("smull %0, %1, %3, %4\n\t" \ + "movs %0, %0, lsr %5\n\t" \ + "adc %2, %0, %1, lsl %6" \ + : "=&r" (__lo), "=&r" (__hi), "=r" (__result) \ + : "%r" (x), "r" (y), \ + "M" (SCALEBITS), "M" (32 - (SCALEBITS)) \ + : "cc"); \ + __result; \ +}) + + static INLINE real_t MUL_R(real_t A, real_t B) + { + return arm_mul(A, B, REAL_BITS); + } + + static INLINE real_t MUL_C(real_t A, real_t B) + { + return arm_mul(A, B, COEF_BITS); + } + + static INLINE real_t MUL_Q2(real_t A, real_t B) + { + return arm_mul(A, B, Q2_BITS); + } + + static INLINE real_t MUL_SHIFT6(real_t A, real_t B) + { + return arm_mul(A, B, 6); + } + + static INLINE real_t MUL_SHIFT23(real_t A, real_t B) + { + return arm_mul(A, B, 23); + } + + static INLINE real_t _MulHigh(real_t x, real_t y) + { + uint32_t __lo; + uint32_t __hi; + asm("smull\t%0, %1, %2, %3" + : "=&r"(__lo), "=&r"(__hi) + : "%r"(x), "r"(y) + : "cc"); + return __hi; + } + + static INLINE real_t MUL_F(real_t A, real_t B) + { + return _MulHigh(A, B) << (FRAC_SIZE - FRAC_BITS); + } + + /* Complex multiplication */ + static INLINE void ComplexMult(real_t *y1, real_t *y2, + real_t x1, real_t x2, real_t c1, real_t c2) + { + int32_t tmp, yt1, yt2; + asm("smull %0, %1, %4, %6\n\t" + "smlal %0, %1, %5, %7\n\t" + "rsb %3, %4, #0\n\t" + "smull %0, %2, %5, %6\n\t" + "smlal %0, %2, %3, %7" + : "=&r"(tmp), "=&r"(yt1), "=&r"(yt2), "=r"(x1) + : "3"(x1), "r"(x2), "r"(c1), "r"(c2) + : "cc"); + *y1 = yt1 << (FRAC_SIZE - FRAC_BITS); + *y2 = yt2 << (FRAC_SIZE - FRAC_BITS); + } + +#else + + /* multiply with real shift */ +#define MUL_R(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (REAL_BITS-1))) >> REAL_BITS) + /* multiply with coef shift */ +#define MUL_C(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (COEF_BITS-1))) >> COEF_BITS) + /* multiply with fractional shift */ +#if defined(_WIN32_WCE) && defined(_ARM_) + /* eVC for PocketPC has an intrinsic function that returns only the high 32 bits of a 32x32 bit multiply */ + static INLINE real_t MUL_F(real_t A, real_t B) + { + return _MulHigh(A, B) << (32 - FRAC_BITS); + } +#else +#ifdef __BFIN__ +#define _MulHigh(X,Y) ({ int __xxo; \ + asm ( \ + "a1 = %2.H * %1.L (IS,M);\n\t" \ + "a0 = %1.H * %2.H, a1+= %1.H * %2.L (IS,M);\n\t"\ + "a1 = a1 >>> 16;\n\t" \ + "%0 = (a0 += a1);\n\t" \ + : "=d" (__xxo) : "d" (X), "d" (Y) : "A0","A1"); __xxo; }) + +#define MUL_F(X,Y) ({ int __xxo; \ + asm ( \ + "a1 = %2.H * %1.L (M);\n\t" \ + "a0 = %1.H * %2.H, a1+= %1.H * %2.L (M);\n\t" \ + "a1 = a1 >>> 16;\n\t" \ + "%0 = (a0 += a1);\n\t" \ + : "=d" (__xxo) : "d" (X), "d" (Y) : "A0","A1"); __xxo; }) +#else +#define _MulHigh(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (FRAC_SIZE-1))) >> FRAC_SIZE) +#define MUL_F(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (FRAC_BITS-1))) >> FRAC_BITS) +#endif +#endif +#define MUL_Q2(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (Q2_BITS-1))) >> Q2_BITS) +#define MUL_SHIFT6(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (6-1))) >> 6) +#define MUL_SHIFT23(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (23-1))) >> 23) + + /* Complex multiplication */ + static INLINE void ComplexMult(real_t *y1, real_t *y2, + real_t x1, real_t x2, real_t c1, real_t c2) + { + *y1 = (_MulHigh(x1, c1) + _MulHigh(x2, c2)) << (FRAC_SIZE - FRAC_BITS); + *y2 = (_MulHigh(x2, c1) - _MulHigh(x1, c2)) << (FRAC_SIZE - FRAC_BITS); + } + +#endif + + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/hcr.c b/audio_codec/libfaad/hcr.c new file mode 100644 index 0000000..db3faee --- a/dev/null +++ b/audio_codec/libfaad/hcr.c @@ -0,0 +1,422 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: hcr.c,v 1.26 2009/01/26 23:51:15 menno Exp $ +**/ +#include +#include "common.h" +#include "structs.h" + +#include + +#include "specrec.h" +#include "huffman.h" + +/* ISO/IEC 14496-3/Amd.1 + * 8.5.3.3: Huffman Codeword Reordering for AAC spectral data (HCR) + * + * HCR devides the spectral data in known fixed size segments, and + * sorts it by the importance of the data. The importance is firstly + * the (lower) position in the spectrum, and secondly the largest + * value in the used codebook. + * The most important data is written at the start of each segment + * (at known positions), the remaining data is interleaved inbetween, + * with the writing direction alternating. + * Data length is not increased. +*/ + +#ifdef ERROR_RESILIENCE + +/* 8.5.3.3.1 Pre-sorting */ + +#define NUM_CB 6 +#define NUM_CB_ER 22 +#define MAX_CB 32 +#define VCB11_FIRST 16 +#define VCB11_LAST 31 + +static const uint8_t PreSortCB_STD[NUM_CB] = +{ 11, 9, 7, 5, 3, 1}; + +static const uint8_t PreSortCB_ER[NUM_CB_ER] = +{ 11, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 9, 7, 5, 3, 1}; + +/* 8.5.3.3.2 Derivation of segment width */ + +static const uint8_t maxCwLen[MAX_CB] = {0, 11, 9, 20, 16, 13, 11, 14, 12, 17, 14, 49, + 0, 0, 0, 0, 14, 17, 21, 21, 25, 25, 29, 29, 29, 29, 33, 33, 33, 37, 37, 41 + }; + +#define segmentWidth(cb) min(maxCwLen[cb], ics->length_of_longest_codeword) + +/* bit-twiddling helpers */ +static const uint8_t S[] = {1, 2, 4, 8, 16}; +static const uint32_t B[] = {0x55555555, 0x33333333, 0x0F0F0F0F, 0x00FF00FF, 0x0000FFFF}; + +typedef struct { + uint8_t cb; + uint8_t decoded; + uint16_t sp_offset; + bits_t bits; +} codeword_t; + +/* rewind and reverse */ +/* 32 bit version */ +static uint32_t rewrev_word(uint32_t v, const uint8_t len) +{ + /* 32 bit reverse */ + v = ((v >> S[0]) & B[0]) | ((v << S[0]) & ~B[0]); + v = ((v >> S[1]) & B[1]) | ((v << S[1]) & ~B[1]); + v = ((v >> S[2]) & B[2]) | ((v << S[2]) & ~B[2]); + v = ((v >> S[3]) & B[3]) | ((v << S[3]) & ~B[3]); + v = ((v >> S[4]) & B[4]) | ((v << S[4]) & ~B[4]); + + /* shift off low bits */ + v >>= (32 - len); + + return v; +} + +/* 64 bit version */ +static void rewrev_lword(uint32_t *hi, uint32_t *lo, const uint8_t len) +{ + if (len <= 32) { + *hi = 0; + *lo = rewrev_word(*lo, len); + } else { + uint32_t t = *hi, v = *lo; + + /* double 32 bit reverse */ + v = ((v >> S[0]) & B[0]) | ((v << S[0]) & ~B[0]); + t = ((t >> S[0]) & B[0]) | ((t << S[0]) & ~B[0]); + v = ((v >> S[1]) & B[1]) | ((v << S[1]) & ~B[1]); + t = ((t >> S[1]) & B[1]) | ((t << S[1]) & ~B[1]); + v = ((v >> S[2]) & B[2]) | ((v << S[2]) & ~B[2]); + t = ((t >> S[2]) & B[2]) | ((t << S[2]) & ~B[2]); + v = ((v >> S[3]) & B[3]) | ((v << S[3]) & ~B[3]); + t = ((t >> S[3]) & B[3]) | ((t << S[3]) & ~B[3]); + v = ((v >> S[4]) & B[4]) | ((v << S[4]) & ~B[4]); + t = ((t >> S[4]) & B[4]) | ((t << S[4]) & ~B[4]); + + /* last 32<>32 bit swap is implicit below */ + + /* shift off low bits (this is really only one 64 bit shift) */ + *lo = (t >> (64 - len)) | (v << (len - 32)); + *hi = v >> (64 - len); + } +} + + +/* bits_t version */ +static void rewrev_bits(bits_t *bits) +{ + if (bits->len == 0) { + return; + } + rewrev_lword(&bits->bufb, &bits->bufa, bits->len); +} + + +/* merge bits of a to b */ +static void concat_bits(bits_t *b, bits_t *a) +{ + uint32_t bl, bh, al, ah; + + if (a->len == 0) { + return; + } + + al = a->bufa; + ah = a->bufb; + + if (b->len > 32) { + /* maskoff superfluous high b bits */ + bl = b->bufa; + bh = b->bufb & ((1 << (b->len - 32)) - 1); + /* left shift a b->len bits */ + ah = al << (b->len - 32); + al = 0; + } else { + bl = b->bufa & ((1 << (b->len)) - 1); + bh = 0; + ah = (ah << (b->len)) | (al >> (32 - b->len)); + al = al << b->len; + } + + /* merge */ + b->bufa = bl | al; + b->bufb = bh | ah; + + b->len += a->len; +} + +static uint8_t is_good_cb(uint8_t this_CB, uint8_t this_sec_CB) +{ + /* only want spectral data CB's */ + if ((this_sec_CB > ZERO_HCB && this_sec_CB <= ESC_HCB) || (this_sec_CB >= VCB11_FIRST && this_sec_CB <= VCB11_LAST)) { + if (this_CB < ESC_HCB) { + /* normal codebook pairs */ + return ((this_sec_CB == this_CB) || (this_sec_CB == this_CB + 1)); + } else { + /* escape codebook */ + return (this_sec_CB == this_CB); + } + } + return 0; +} + +static void read_segment(bits_t *segment, uint8_t segwidth, bitfile *ld) +{ + segment->len = segwidth; + + if (segwidth > 32) { + segment->bufb = faad_getbits(ld, segwidth - 32); + segment->bufa = faad_getbits(ld, 32); + + } else { + segment->bufa = faad_getbits(ld, segwidth); + segment->bufb = 0; + } +} + +static void fill_in_codeword(codeword_t *codeword, uint16_t index, uint16_t sp, uint8_t cb) +{ + codeword[index].sp_offset = sp; + codeword[index].cb = cb; + codeword[index].decoded = 0; + codeword[index].bits.len = 0; +} + +uint8_t reordered_spectral_data(NeAACDecStruct *hDecoder, ic_stream *ics, + bitfile *ld, int16_t *spectral_data) +{ + uint16_t PCWs_done; + uint16_t numberOfSegments, numberOfSets, numberOfCodewords; + + codeword_t codeword[512]; + bits_t segment[512]; + + uint16_t sp_offset[8]; + uint16_t g, i, sortloop, set, bitsread; + uint16_t bitsleft, codewordsleft; + uint8_t w_idx, sfb, this_CB, last_CB, this_sec_CB; + + const uint16_t nshort = hDecoder->frameLength / 8; + const uint16_t sp_data_len = ics->length_of_reordered_spectral_data; + + const uint8_t *PreSortCb; + + /* no data (e.g. silence) */ + if (sp_data_len == 0) { + return 0; + } + + /* since there is spectral data, at least one codeword has nonzero length */ + if (ics->length_of_longest_codeword == 0) { + return 10; + } + + if (sp_data_len < ics->length_of_longest_codeword) { + return 10; + } + + sp_offset[0] = 0; + for (g = 1; g < ics->num_window_groups; g++) { + sp_offset[g] = sp_offset[g - 1] + nshort * ics->window_group_length[g - 1]; + } + + PCWs_done = 0; + numberOfSegments = 0; + numberOfCodewords = 0; + bitsread = 0; + + /* VCB11 code books in use */ + if (hDecoder->aacSectionDataResilienceFlag) { + PreSortCb = PreSortCB_ER; + last_CB = NUM_CB_ER; + } else { + PreSortCb = PreSortCB_STD; + last_CB = NUM_CB; + } + + /* step 1: decode PCW's (set 0), and stuff data in easier-to-use format */ + for (sortloop = 0; sortloop < last_CB; sortloop++) { + /* select codebook to process this pass */ + this_CB = PreSortCb[sortloop]; + + /* loop over sfbs */ + for (sfb = 0; sfb < ics->max_sfb; sfb++) { + /* loop over all in this sfb, 4 lines per loop */ + for (w_idx = 0; 4 * w_idx < (min(ics->swb_offset[sfb + 1], ics->swb_offset_max) - ics->swb_offset[sfb]); w_idx++) { + for (g = 0; g < ics->num_window_groups; g++) { + for (i = 0; i < ics->num_sec[g]; i++) { + /* check whether sfb used here is the one we want to process */ + if ((ics->sect_start[g][i] <= sfb) && (ics->sect_end[g][i] > sfb)) { + /* check whether codebook used here is the one we want to process */ + this_sec_CB = ics->sect_cb[g][i]; + + if (is_good_cb(this_CB, this_sec_CB)) { + /* precalculate some stuff */ + uint16_t sect_sfb_size = ics->sect_sfb_offset[g][sfb + 1] - ics->sect_sfb_offset[g][sfb]; + uint8_t inc = (this_sec_CB < FIRST_PAIR_HCB) ? QUAD_LEN : PAIR_LEN; + uint16_t group_cws_count = (4 * ics->window_group_length[g]) / inc; + uint8_t segwidth = segmentWidth(this_sec_CB); + uint16_t cws; + + /* read codewords until end of sfb or end of window group (shouldn't only 1 trigger?) */ + for (cws = 0; (cws < group_cws_count) && ((cws + w_idx * group_cws_count) < sect_sfb_size); cws++) { + uint16_t sp = sp_offset[g] + ics->sect_sfb_offset[g][sfb] + inc * (cws + w_idx * group_cws_count); + + /* read and decode PCW */ + if (!PCWs_done) { + /* read in normal segments */ + if (bitsread + segwidth <= sp_data_len) { + read_segment(&segment[numberOfSegments], segwidth, ld); + bitsread += segwidth; + + huffman_spectral_data_2(this_sec_CB, &segment[numberOfSegments], &spectral_data[sp]); + + /* keep leftover bits */ + rewrev_bits(&segment[numberOfSegments]); + + numberOfSegments++; + } else { + /* remaining stuff after last segment, we unfortunately couldn't read + this in earlier because it might not fit in 64 bits. since we already + decoded (and removed) the PCW it is now guaranteed to fit */ + if (bitsread < sp_data_len) { + const uint8_t additional_bits = sp_data_len - bitsread; + + read_segment(&segment[numberOfSegments], additional_bits, ld); + segment[numberOfSegments].len += segment[numberOfSegments - 1].len; + rewrev_bits(&segment[numberOfSegments]); + + if (segment[numberOfSegments - 1].len > 32) { + segment[numberOfSegments - 1].bufb = segment[numberOfSegments].bufb + + showbits_hcr(&segment[numberOfSegments - 1], segment[numberOfSegments - 1].len - 32); + segment[numberOfSegments - 1].bufa = segment[numberOfSegments].bufa + + showbits_hcr(&segment[numberOfSegments - 1], 32); + } else { + segment[numberOfSegments - 1].bufa = segment[numberOfSegments].bufa + + showbits_hcr(&segment[numberOfSegments - 1], segment[numberOfSegments - 1].len); + segment[numberOfSegments - 1].bufb = segment[numberOfSegments].bufb; + } + segment[numberOfSegments - 1].len += additional_bits; + } + bitsread = sp_data_len; + PCWs_done = 1; + + fill_in_codeword(codeword, 0, sp, this_sec_CB); + } + } else { + fill_in_codeword(codeword, numberOfCodewords - numberOfSegments, sp, this_sec_CB); + } + numberOfCodewords++; + } + } + } + } + } + } + } + } + + if (numberOfSegments == 0) { + return 10; + } + + numberOfSets = numberOfCodewords / numberOfSegments; + + /* step 2: decode nonPCWs */ + for (set = 1; set <= numberOfSets; set++) { + uint16_t trial; + + for (trial = 0; trial < numberOfSegments; trial++) { + uint16_t codewordBase; + + for (codewordBase = 0; codewordBase < numberOfSegments; codewordBase++) { + const uint16_t segment_idx = (trial + codewordBase) % numberOfSegments; + const uint16_t codeword_idx = codewordBase + set * numberOfSegments - numberOfSegments; + + /* data up */ + if (codeword_idx >= numberOfCodewords - numberOfSegments) { + break; + } + + if (!codeword[codeword_idx].decoded && segment[segment_idx].len > 0) { + uint8_t tmplen; + + if (codeword[codeword_idx].bits.len != 0) { + concat_bits(&segment[segment_idx], &codeword[codeword_idx].bits); + } + + tmplen = segment[segment_idx].len; + + if (huffman_spectral_data_2(codeword[codeword_idx].cb, &segment[segment_idx], + &spectral_data[codeword[codeword_idx].sp_offset]) >= 0) { + codeword[codeword_idx].decoded = 1; + } else { + codeword[codeword_idx].bits = segment[segment_idx]; + codeword[codeword_idx].bits.len = tmplen; + } + + } + } + } + for (i = 0; i < numberOfSegments; i++) { + rewrev_bits(&segment[i]); + } + } + +#if 0 // Seems to give false errors + bitsleft = 0; + + for (i = 0; i < numberOfSegments && !bitsleft; i++) { + bitsleft += segment[i].len; + } + + if (bitsleft) { + return 10; + } + + codewordsleft = 0; + + for (i = 0; (i < numberOfCodewords - numberOfSegments) && (!codewordsleft); i++) + if (!codeword[i].decoded) { + codewordsleft++; + } + + if (codewordsleft) { + return 10; + } +#endif + + + return 0; + +} +#endif diff --git a/audio_codec/libfaad/helixaac/aaccommon.h b/audio_codec/libfaad/helixaac/aaccommon.h new file mode 100644 index 0000000..ab900b7 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/aaccommon.h @@ -0,0 +1,210 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aaccommon.h,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * aaccommon.h - implementation-independent API's, datatypes, and definitions + **************************************************************************************/ + +#ifndef _AACCOMMON_H +#define _AACCOMMON_H + +#include "aacdec.h" +#include "statname.h" + +#include +#include +#include +//#include +#define LOG_TAG "FaadDecoder" +#define audio_codec_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define printk audio_codec_print +#define LOCAL /*inline*/ + +/* 12-bit syncword */ +#define SYNCWORDH 0xff +#define SYNCWORDL 0xf0 + +#define SYNCWORD0 0x67 +#define SYNCWORD1 0x89 + +#define MAX_NCHANS_ELEM 2// /* max number of channels in any single bitstream element (SCE,CPE,CCE,LFE) */ + +#define ADTS_HEADER_BYTES 7 +#define NUM_SAMPLE_RATES 12 +#define NUM_DEF_CHAN_MAPS 8 +#define NUM_ELEMENTS 8 +#define MAX_NUM_PCE_ADIF 16 + +#define MAX_WIN_GROUPS 8 +#define MAX_SFB_SHORT 15 +#define MAX_SF_BANDS (MAX_SFB_SHORT*MAX_WIN_GROUPS) /* worst case = 15 sfb's * 8 windows for short block */ +#define MAX_MS_MASK_BYTES ((MAX_SF_BANDS + 7) >> 3) +#define MAX_PRED_SFB 41 +#define MAX_TNS_FILTERS 8 +#define MAX_TNS_COEFS 60 +#define MAX_TNS_ORDER 20 +#define MAX_PULSES 4 +#define MAX_GAIN_BANDS 3 +#define MAX_GAIN_WIN 8 +#define MAX_GAIN_ADJUST 7 + +#define NSAMPS_LONG 1024 +#define NSAMPS_SHORT 128 + +#define NUM_SYN_ID_BITS 3 +#define NUM_INST_TAG_BITS 4 + +#define EXT_SBR_DATA 0x0d +#define EXT_SBR_DATA_CRC 0x0e + +#define IS_ADIF(p) ((p)[0] == 'A' && (p)[1] == 'D' && (p)[2] == 'I' && (p)[3] == 'F') +#define GET_ELE_ID(p) ((AACElementID)(*(p) >> (8-NUM_SYN_ID_BITS))) + +/* AAC file format */ +enum { + AAC_FF_Unknown = 0, /* should be 0 on init */ + + AAC_FF_ADTS = 1, + AAC_FF_ADIF = 2, + AAC_FF_RAW = 3 + +}; + +/* syntactic element type */ +enum { + AAC_ID_INVALID = -1, + + AAC_ID_SCE = 0, + AAC_ID_CPE = 1, + AAC_ID_CCE = 2, + AAC_ID_LFE = 3, + AAC_ID_DSE = 4, + AAC_ID_PCE = 5, + AAC_ID_FIL = 6, + AAC_ID_END = 7 +}; + +typedef struct _AACDecInfo { + /* pointers to platform-specific state information */ + void *psInfoBase; /* baseline MPEG-4 LC decoding */ + void *psInfoSBR; /* MPEG-4 SBR decoding */ + + /* raw decoded data, before rounding to 16-bit PCM (for postprocessing such as SBR) */ + void *rawSampleBuf[AAC_MAX_NCHANS]; + int rawSampleBytes; + int rawSampleFBits; + + /* fill data (can be used for processing SBR or other extensions) */ + unsigned char *fillBuf; + int fillCount; + int fillExtType; + + /* block information */ + int prevBlockID; + int currBlockID; + int currInstTag; + int sbDeinterleaveReqd[MAX_NCHANS_ELEM]; + int adtsBlocksLeft; + + /* user-accessible info */ + int bitRate; + int nChans; + int sampRate; + int profile; + int format; + int sbrEnabled; + int tnsUsed; + int pnsUsed; + int frameCount; + int byteParsed; + int sampleDecoded; + unsigned audio_send_by_frame; + unsigned frame_length; +} AACDecInfo; + +/* decoder functions which must be implemented for each platform */ +AACDecInfo *AllocateBuffers(void); +void FreeBuffers(AACDecInfo *aacDecInfo); +void ClearBuffer(void *buf, int nBytes); + +int UnpackADTSHeader(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail); +int GetADTSChannelMapping(AACDecInfo *aacDecInfo, unsigned char *buf, int bitOffset, int bitsAvail); +int UnpackADIFHeader(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail); +int SetRawBlockParams(AACDecInfo *aacDecInfo, int copyLast, int nChans, int sampRate, int profile); +int PrepareRawBlock(AACDecInfo *aacDecInfo); +int FlushCodec(AACDecInfo *aacDecInfo); + +int DecodeNextElement(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail); +int DecodeNoiselessData(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail, int ch); + +int Dequantize(AACDecInfo *aacDecInfo, int ch); +int StereoProcess(AACDecInfo *aacDecInfo); +int DeinterleaveShortBlocks(AACDecInfo *aacDecInfo, int ch); +int PNS(AACDecInfo *aacDecInfo, int ch); +int TNSFilter(AACDecInfo *aacDecInfo, int ch); +int IMDCT(AACDecInfo *aacDecInfo, int ch, int chBase, short *outbuf); + +/* SBR specific functions */ +int InitSBR(AACDecInfo *aacDecInfo); +void FreeSBR(AACDecInfo *aacDecInfo); +int DecodeSBRBitstream(AACDecInfo *aacDecInfo, int chBase); +int DecodeSBRData(AACDecInfo *aacDecInfo, int chBase, short *outbuf); +int FlushCodecSBR(AACDecInfo *aacDecInfo); + +/* aactabs.c - global ROM tables */ +extern const int sampRateTab[NUM_SAMPLE_RATES]; +extern const int predSFBMax[NUM_SAMPLE_RATES]; +extern const int channelMapTab[NUM_DEF_CHAN_MAPS]; +extern const int elementNumChans[NUM_ELEMENTS]; +extern const unsigned char sfBandTotalShort[NUM_SAMPLE_RATES]; +extern const unsigned char sfBandTotalLong[NUM_SAMPLE_RATES]; +extern const int sfBandTabShortOffset[NUM_SAMPLE_RATES]; +extern const short sfBandTabShort[76]; +extern const int sfBandTabLongOffset[NUM_SAMPLE_RATES]; +extern const short sfBandTabLong[325]; +extern const int tnsMaxBandsShortOffset[AAC_NUM_PROFILES]; +extern const unsigned char tnsMaxBandsShort[2 * NUM_SAMPLE_RATES]; +extern const unsigned char tnsMaxOrderShort[AAC_NUM_PROFILES]; +extern const int tnsMaxBandsLongOffset[AAC_NUM_PROFILES]; +extern const unsigned char tnsMaxBandsLong[2 * NUM_SAMPLE_RATES]; +extern const unsigned char tnsMaxOrderLong[AAC_NUM_PROFILES]; + +#endif /* _AACCOMMON_H */ diff --git a/audio_codec/libfaad/helixaac/aacdec.c b/audio_codec/libfaad/helixaac/aacdec.c new file mode 100644 index 0000000..e8297a4 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/aacdec.c @@ -0,0 +1,508 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aacdec.c,v 1.1 2005/02/26 01:47:31 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * aacdec.c - platform-independent top level decoder API + **************************************************************************************/ +#include "aaccommon.h" +#include "bitstream.h" +#include +#include "aacdec.h" + +#define HELIX_MAX_DECODE_CH_NUM (6) + +/************************************************************************************** + * Function: AACInitDecoder + * + * Description: allocate memory for platform-specific data + * clear all the user-accessible fields + * initialize SBR decoder if enabled + * + * Inputs: none + * + * Outputs: none + * + * Return: handle to AAC decoder instance, 0 if malloc fails + **************************************************************************************/ +HAACDecoder AACInitDecoder(void) +{ + AACDecInfo *aacDecInfo; + + aacDecInfo = AllocateBuffers(); + if (!aacDecInfo) { + return 0; + } + +#ifdef AAC_ENABLE_SBR + if (InitSBR(aacDecInfo)) { + AACFreeDecoder(aacDecInfo); + return 0; + } +#endif + + return (HAACDecoder)aacDecInfo; +} + +/************************************************************************************** + * Function: AACFreeDecoder + * + * Description: free platform-specific data allocated by AACInitDecoder + * free SBR decoder if enabled + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * + * Outputs: none + * + * Return: none + **************************************************************************************/ +void AACFreeDecoder(HAACDecoder hAACDecoder) +{ + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (!aacDecInfo) { + return; + } + +#ifdef AAC_ENABLE_SBR + FreeSBR(aacDecInfo); +#endif + FreeBuffers(aacDecInfo); +} + +/************************************************************************************** + * Function: AACFindSyncWord + * + * Description: locate the next byte-alinged sync word in the raw AAC stream + * + * Inputs: buffer to search for sync word + * max number of bytes to search in buffer + * + * Outputs: none + * + * Return: offset to first sync word (bytes from start of buf) + * -1 if sync not found after searching nBytes + **************************************************************************************/ +int AACFindSyncWord(unsigned char *buf, int nBytes) +{ + int i; + + /* find byte-aligned syncword (12 bits = 0xFFF) */ + for (i = 0; i < nBytes - 1; i++) { + if ((buf[i + 0] & SYNCWORDH) == SYNCWORDH && (buf[i + 1] & SYNCWORDL) == SYNCWORDL) { + return i; + } + } + + return -1; +} + +/************************************************************************************** + * Function: AACGetLastFrameInfo + * + * Description: get info about last AAC frame decoded (number of samples decoded, + * sample rate, bit rate, etc.) + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * pointer to AACFrameInfo struct + * + * Outputs: filled-in AACFrameInfo struct + * + * Return: none + * + * Notes: call this right after calling AACDecode() + **************************************************************************************/ +void AACGetLastFrameInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo) +{ + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (!aacDecInfo) { + aacFrameInfo->format = 0; + aacFrameInfo->bitRate = 0; + aacFrameInfo->nChans = 0; + aacFrameInfo->sampRateCore = 0; + aacFrameInfo->sampRateOut = 0; + aacFrameInfo->bitsPerSample = 0; + aacFrameInfo->outputSamps = 0; + aacFrameInfo->profile = 0; + aacFrameInfo->tnsUsed = 0; + aacFrameInfo->pnsUsed = 0; + } else { + aacFrameInfo->format = aacDecInfo->format; + aacFrameInfo->nChans = aacDecInfo->nChans; + aacFrameInfo->sampRateCore = aacDecInfo->sampRate; + aacFrameInfo->sampRateOut = aacDecInfo->sampRate * (aacDecInfo->sbrEnabled ? 2 : 1); + aacFrameInfo->bitsPerSample = 16; + aacFrameInfo->outputSamps = aacDecInfo->nChans * AAC_MAX_NSAMPS * (aacDecInfo->sbrEnabled ? 2 : 1); + aacFrameInfo->profile = aacDecInfo->profile; + aacFrameInfo->tnsUsed = aacDecInfo->tnsUsed; + aacFrameInfo->pnsUsed = aacDecInfo->pnsUsed; + } +} + +void AACGetDecoderInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo) +{ + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (aacDecInfo) { + aacFrameInfo->format = aacDecInfo->format; + aacFrameInfo->nChans = aacDecInfo->nChans; + aacFrameInfo->sampRateCore = aacDecInfo->sampRate; + aacFrameInfo->sampRateOut = aacDecInfo->sampRate * (aacDecInfo->sbrEnabled ? 2 : 1); + aacFrameInfo->bitsPerSample = 16; + aacFrameInfo->outputSamps = aacDecInfo->nChans * AAC_MAX_NSAMPS * (aacDecInfo->sbrEnabled ? 2 : 1); + aacFrameInfo->profile = aacDecInfo->profile; + aacFrameInfo->tnsUsed = aacDecInfo->tnsUsed; + aacFrameInfo->pnsUsed = aacDecInfo->pnsUsed; + aacFrameInfo->total_byte_parsed = aacDecInfo->byteParsed; + aacFrameInfo->total_sample_decoded = aacDecInfo->sampleDecoded; + + if (aacDecInfo->bitRate) { + aacFrameInfo->bitRate = aacDecInfo->bitRate; + } else if (aacDecInfo->sampleDecoded > 0) { + aacFrameInfo->bitRate = (int)(((float)(aacDecInfo->byteParsed)) / ((float)aacDecInfo->sampleDecoded / (float)aacFrameInfo->sampRateOut)) << 3; + } + } +} + +/************************************************************************************** + * Function: AACSetRawBlockParams + * + * Description: set internal state variables for decoding a stream of raw data blocks + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * flag indicating source of parameters + * AACFrameInfo struct, with the members nChans, sampRate, and profile + * optionally filled-in + * + * Outputs: updated codec state + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: if copyLast == 1, then the codec sets up its internal state (for + * decoding raw blocks) based on previously-decoded ADTS header info + * if copyLast == 0, then the codec uses the values passed in + * aacFrameInfo to configure its internal state (useful when the + * source is MP4 format, for example) + **************************************************************************************/ +int AACSetRawBlockParams(HAACDecoder hAACDecoder, int copyLast, AACFrameInfo *aacFrameInfo) +{ + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (!aacDecInfo) { + return ERR_AAC_NULL_POINTER; + } + + aacDecInfo->format = AAC_FF_RAW; + aacDecInfo->audio_send_by_frame = aacFrameInfo->audio_send_by_frame; + if (copyLast) { + return SetRawBlockParams(aacDecInfo, 1, 0, 0, 0); + } else { + return SetRawBlockParams(aacDecInfo, 0, aacFrameInfo->nChans, aacFrameInfo->sampRateCore, aacFrameInfo->profile); + } +} + +/************************************************************************************** + * Function: AACFlushCodec + * + * Description: flush internal codec state (after seeking, for example) + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * + * Outputs: updated state variables in aacDecInfo + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int AACFlushCodec(HAACDecoder hAACDecoder) +{ + int ch; + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (!aacDecInfo) { + return ERR_AAC_NULL_POINTER; + } + /* reset common state variables which change per-frame + * don't touch state variables which are (usually) constant for entire clip + * (nChans, sampRate, profile, format, sbrEnabled) + */ + aacDecInfo->prevBlockID = AAC_ID_INVALID; + aacDecInfo->currBlockID = AAC_ID_INVALID; + aacDecInfo->currInstTag = -1; + for (ch = 0; ch < MAX_NCHANS_ELEM; ch++) { + aacDecInfo->sbDeinterleaveReqd[ch] = 0; + } + aacDecInfo->adtsBlocksLeft = 0; + aacDecInfo->tnsUsed = 0; + aacDecInfo->pnsUsed = 0; + + /* reset internal codec state (flush overlap buffers, etc.) */ + FlushCodec(aacDecInfo); +#ifdef AAC_ENABLE_SBR + FlushCodecSBR(aacDecInfo); +#endif + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: AACDecode + * + * Description: decode AAC frame + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * double pointer to buffer of AAC data + * pointer to number of valid bytes remaining in inbuf + * pointer to outbuf, big enough to hold one frame of decoded PCM samples + * (outbuf must be double-sized if SBR enabled) + * + * Outputs: PCM data in outbuf, interleaved LRLRLR... if stereo + * number of output samples = 1024 per channel (2048 if SBR enabled) + * updated inbuf pointer + * updated bytesLeft + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: inbuf pointer and bytesLeft are not updated until whole frame is + * successfully decoded, so if ERR_AAC_INDATA_UNDERFLOW is returned + * just call AACDecode again with more data in inbuf + **************************************************************************************/ +int AACDecode(HAACDecoder hAACDecoder, unsigned char **inbuf, int *bytesLeft, short *outbuf) +{ + int err, offset, bitOffset, bitsAvail; + int ch, baseChan, baseChanSBR, elementChans; + unsigned char *inptr; + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; +#ifdef AAC_ENABLE_SBR + int elementChansSBR; +#endif + + if (!aacDecInfo) { + return ERR_AAC_NULL_POINTER; + } + + /* make local copies (see "Notes" above) */ + inptr = *inbuf; + bitOffset = 0; + bitsAvail = (*bytesLeft) << 3; + + /* first time through figure out what the file format is */ + if (aacDecInfo->format == AAC_FF_Unknown) { + if (bitsAvail < 32) { + return ERR_AAC_INDATA_UNDERFLOW; + } + + if (IS_ADIF(inptr)) { + /* unpack ADIF header */ + aacDecInfo->format = AAC_FF_ADIF; + //printk("ADIF_DBG:ready step into UnpackADIFHeader()!\n"); + err = UnpackADIFHeader(aacDecInfo, &inptr, &bitOffset, &bitsAvail); + if (err) { + return err; + } + } else { + /* assume ADTS by default */ + aacDecInfo->format = AAC_FF_ADTS; + } + } + //printk("ADIF_DBG:aacDecInfo->format1=%d\n",aacDecInfo->format); + + /* if ADTS, search for start of next frame */ + if (aacDecInfo->format == AAC_FF_ADTS) { + /* can have 1-4 raw data blocks per ADTS frame (header only present for first one) */ + if (/*aacDecInfo->adtsBlocksLeft == 0*/1) { + offset = AACFindSyncWord(inptr, bitsAvail >> 3); + if (AACDataSource == 1) { + if (offset < 0) { //not find sync word in current buffer + return ERR_AAC_INVALID_ADTS_SYNCWORD; //ERR_AAC_INDATA_UNDERFLOW; + } + inptr += offset; + bitsAvail -= (offset << 3); + } + err = UnpackADTSHeader(aacDecInfo, &inptr, &bitOffset, &bitsAvail); + if (err) { + return err; + } + + if (aacDecInfo->nChans == -1) { + /* figure out implicit channel mapping if necessary */ + err = GetADTSChannelMapping(aacDecInfo, inptr, bitOffset, bitsAvail); + if (err) { + return err; + } + } + } + aacDecInfo->adtsBlocksLeft--; + } else if (aacDecInfo->format == AAC_FF_RAW) { + err = PrepareRawBlock(aacDecInfo); + if (err) { + return err; + } + } + + //printk("ADIF_DBG:aacDecInfo->nChans=%d aacDecInfo->sampRate=%d\n",aacDecInfo->nChans,aacDecInfo->sampRate); + /* check for valid number of channels */ + if (aacDecInfo->nChans > AAC_MAX_NCHANS || aacDecInfo->nChans <= 0) { + printk("AAC ERR: ERR_AAC_NCHANS_TOO_HIGH\n"); + return ERR_AAC_NCHANS_TOO_HIGH; + } + + /* will be set later if active in this frame */ + aacDecInfo->tnsUsed = 0; + aacDecInfo->pnsUsed = 0; + + bitOffset = 0; + baseChan = 0; + baseChanSBR = 0; + do { + /* parse next syntactic element */ + err = DecodeNextElement(aacDecInfo, &inptr, &bitOffset, &bitsAvail); + if (err) { + return err; + } + + elementChans = elementNumChans[aacDecInfo->currBlockID]; + if (baseChan + elementChans > AAC_MAX_NCHANS) { + return ERR_AAC_NCHANS_TOO_HIGH; + } + + /* noiseless decoder and dequantizer */ + for (ch = 0; ch < elementChans; ch++) { + err = DecodeNoiselessData(aacDecInfo, &inptr, &bitOffset, &bitsAvail, ch); + if (err) { + return err; + } + + if (Dequantize(aacDecInfo, ch)) { + return ERR_AAC_DEQUANT; + } + } + + /* mid-side and intensity stereo */ + if (aacDecInfo->currBlockID == AAC_ID_CPE) { + if (StereoProcess(aacDecInfo)) { + return ERR_AAC_STEREO_PROCESS; + } + } + + /* PNS, TNS, inverse transform */ + for (ch = 0; ch < elementChans; ch++) { + if (PNS(aacDecInfo, ch)) { + return ERR_AAC_PNS; + } + + if (aacDecInfo->sbDeinterleaveReqd[ch]) { + /* deinterleave short blocks, if required */ + if (DeinterleaveShortBlocks(aacDecInfo, ch)) { + return ERR_AAC_SHORT_BLOCK_DEINT; + } + aacDecInfo->sbDeinterleaveReqd[ch] = 0; + } + + if (TNSFilter(aacDecInfo, ch)) { + return ERR_AAC_TNS; + } + + if (IMDCT(aacDecInfo, ch, baseChan + ch, outbuf)) { + return ERR_AAC_IMDCT; + } + } + +#ifdef AAC_ENABLE_SBR + if (aacDecInfo->sbrEnabled && (aacDecInfo->currBlockID == AAC_ID_FIL || aacDecInfo->currBlockID == AAC_ID_LFE)) { + if (aacDecInfo->currBlockID == AAC_ID_LFE) { + elementChansSBR = elementNumChans[AAC_ID_LFE]; + } else if (aacDecInfo->currBlockID == AAC_ID_FIL && (aacDecInfo->prevBlockID == AAC_ID_SCE || aacDecInfo->prevBlockID == AAC_ID_CPE)) { + elementChansSBR = elementNumChans[aacDecInfo->prevBlockID]; + } else { + elementChansSBR = 0; + } + + if (baseChanSBR + elementChansSBR > AAC_MAX_NCHANS) { + return ERR_AAC_SBR_NCHANS_TOO_HIGH; + } + + /* parse SBR extension data if present (contained in a fill element) */ + if (DecodeSBRBitstream(aacDecInfo, baseChanSBR)) { + return ERR_AAC_SBR_BITSTREAM; + } + + /* apply SBR */ + if (DecodeSBRData(aacDecInfo, baseChanSBR, outbuf)) { + return ERR_AAC_SBR_DATA; + } + + baseChanSBR += elementChansSBR; + } +#endif + + baseChan += elementChans; + } while (aacDecInfo->currBlockID != AAC_ID_END); + + /* byte align after each raw_data_block */ + if (bitOffset) { + inptr++; + bitsAvail -= (8 - bitOffset); + bitOffset = 0; + if (bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + + /* update pointers */ + if (AACDataSource == 1) { + aacDecInfo->frameCount++; + aacDecInfo->byteParsed += inptr - *inbuf; + //printk(" decode one frame cost byte %d \n",inptr - *inbuf); + aacDecInfo->sampleDecoded += AAC_MAX_NSAMPS * (aacDecInfo->sbrEnabled ? 2 : 1); + *bytesLeft -= (inptr - *inbuf); + *inbuf = inptr; + } else { + aacDecInfo->frameCount++; + aacDecInfo->byteParsed = CalcBitsUsed(0, 0, 0) >> 3; + aacDecInfo->sampleDecoded += AAC_MAX_NSAMPS * (aacDecInfo->sbrEnabled ? 2 : 1); + *bytesLeft -= (CalcBitsUsed(0, 0, 0) >> 3); + // *inbuf = *inbuf+; + } + + + + return ERR_AAC_NONE; +} + diff --git a/audio_codec/libfaad/helixaac/aacdec.h b/audio_codec/libfaad/helixaac/aacdec.h new file mode 100644 index 0000000..6d22a9e --- a/dev/null +++ b/audio_codec/libfaad/helixaac/aacdec.h @@ -0,0 +1,206 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aacdec.h,v 1.8 2005/11/10 00:15:08 margotm Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * aacdec.h - public C API for AAC decoder + **************************************************************************************/ + +#ifndef _AACDEC_H +#define _AACDEC_H + +#define _ARC32 + +#if defined(_WIN32) && !defined(_WIN32_WCE) +# +#elif defined(_WIN32) && defined(_WIN32_WCE) && defined(ARM) +# +#elif defined(_WIN32) && defined(WINCE_EMULATOR) +# +#elif defined (__arm) && defined (__ARMCC_VERSION) +# +#elif defined(_SYMBIAN) && defined(__WINS__) +# +#elif defined(__GNUC__) && defined(__arm__) +# +#elif defined(__GNUC__) && defined(__i386__) +# +#elif defined(__GNUC__) && defined(__amd64__) +# +#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__POWERPC__)) +# +#elif defined(_OPENWAVE_SIMULATOR) || defined(_OPENWAVE_ARMULATOR) +# +#elif defined(_SOLARIS) && !defined(__GNUC__) +# +#elif defined(_ARC32) +#define __inline _Inline +#else +#error No platform defined. See valid options in aacdec.h +#endif + +#ifdef __cplusplus +extern "C" { +#endif + + /* according to spec (13818-7 section 8.2.2, 14496-3 section 4.5.3) + * max size of input buffer = + * 6144 bits = 768 bytes per SCE or CCE-I + * 12288 bits = 1536 bytes per CPE + * 0 bits = 0 bytes per CCE-D (uses bits from the SCE/CPE/CCE-I it is coupled to) + */ +#ifndef AAC_MAX_NCHANS /* if max channels isn't set in makefile, */ +#define AAC_MAX_NCHANS 6 /* set to default max number of channels */ +#endif +#define AAC_MAX_NSAMPS 1024 +#define AAC_MAINBUF_SIZE (768 * AAC_MAX_NCHANS) + +#define AAC_NUM_PROFILES 3 +#define AAC_PROFILE_MP 0 +#define AAC_PROFILE_LC 1 +#define AAC_PROFILE_SSR 2 + +#define AAC_INPUTBUF_SIZE (2 * 768 * 4) /* pick something big enough to hold a bunch of frames */ + + /* define these to enable decoder features */ +#ifndef __ARC600__ +#define HELIX_FEATURE_AUDIO_CODEC_AAC_SBR +#endif /* __ARC600__ */ +#if defined(HELIX_FEATURE_AUDIO_CODEC_AAC_SBR) +#define AAC_ENABLE_SBR +#endif // HELIX_FEATURE_AUDIO_CODEC_AAC_SBR. +#define AAC_ENABLE_MPEG4 + +#ifdef AAC_ENABLE_SBR +#define SBR_MUL 2 +#else +#define SBR_MUL 1 +#endif + + enum { + ERR_AAC_NONE = 0, + ERR_AAC_INDATA_UNDERFLOW = -1, + ERR_AAC_NULL_POINTER = -2, + ERR_AAC_INVALID_ADTS_HEADER = -3, + ERR_AAC_INVALID_ADIF_HEADER = -4, + ERR_AAC_INVALID_FRAME = -5, + ERR_AAC_MPEG4_UNSUPPORTED = -6, + ERR_AAC_CHANNEL_MAP = -7, + ERR_AAC_SYNTAX_ELEMENT = -8, + + ERR_AAC_DEQUANT = -9, + ERR_AAC_STEREO_PROCESS = -10, + ERR_AAC_PNS = -11, + ERR_AAC_SHORT_BLOCK_DEINT = -12, + ERR_AAC_TNS = -13, + ERR_AAC_IMDCT = -14, + ERR_AAC_NCHANS_TOO_HIGH = -15, + + ERR_AAC_SBR_INIT = -16, + ERR_AAC_SBR_BITSTREAM = -17, + ERR_AAC_SBR_DATA = -18, + ERR_AAC_SBR_PCM_FORMAT = -19, + ERR_AAC_SBR_NCHANS_TOO_HIGH = -20, + ERR_AAC_SBR_SINGLERATE_UNSUPPORTED = -21, + + ERR_AAC_RAWBLOCK_PARAMS = -22, + ERR_AAC_COFF_EXCEED_RANGE = -23, + ERR_AAC_HUFFMAN_DECODING = -24, + ERR_AAC_SPEC_NOT_MATCH = -25, + ERR_AAC_INVALID_ADTS_SYNCWORD = -26, + ERR_AAC_SSR_GAIN_NOT_ADDED = -27, + ERR_AAC_EXIT_DECODE = -28, + + ERR_UNKNOWN = -9999 + }; + + typedef struct _AACIOBuf { + int bytesLeft; + unsigned char *readPtr; + unsigned char readBuf[AAC_INPUTBUF_SIZE]; + short outBuf[AAC_MAX_NCHANS * AAC_MAX_NSAMPS * SBR_MUL]; + } AACIOBuf; + + typedef struct _AACFrameInfo { // should keep same as _audio_codec_config_aacdec_t in audio_codec_aac.h + int bitRate; + int nChans; + int sampRateCore; + int sampRateOut; + int bitsPerSample; + int outputSamps; + int profile; + int tnsUsed; + int pnsUsed; + int format; + unsigned total_byte_parsed; + unsigned total_sample_decoded; + unsigned audio_send_by_frame; + //#ifndef PRE_APOLLO + unsigned char *extra_data; + unsigned extradata_len; + //#endif + } AACFrameInfo; + + typedef void *HAACDecoder; + typedef void *HAACIOBuf; + + /* public C API */ + HAACDecoder AACInitDecoder(); + void AACFreeDecoder(HAACDecoder hAACDecoder); + int AACDecode(HAACDecoder hAACDecoder, unsigned char **inbuf, int *bytesLeft, short *outbuf); + + int AACFindSyncWord(unsigned char *buf, int nBytes); + void AACGetLastFrameInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo); + void AACGetDecoderInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo); + int AACSetRawBlockParams(HAACDecoder hAACDecoder, int copyLast, AACFrameInfo *aacFrameInfo); + int AACFlushCodec(HAACDecoder hAACDecoder); + +#ifdef HELIX_CONFIG_AAC_GENERATE_TRIGTABS_FLOAT + int AACInitTrigtabsFloat(void); + void AACFreeTrigtabsFloat(void); +#endif + + extern int AACDataSource; + +#ifdef __cplusplus +} +#endif + +#endif /* _AACDEC_H */ diff --git a/audio_codec/libfaad/helixaac/aactabs.c b/audio_codec/libfaad/helixaac/aactabs.c new file mode 100644 index 0000000..3cade7d --- a/dev/null +++ b/audio_codec/libfaad/helixaac/aactabs.c @@ -0,0 +1,157 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aactabs.c,v 1.1 2005/02/26 01:47:31 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * aactabs.c - platform-independent tables for AAC decoder (global, read-only) + **************************************************************************************/ + +#include "aaccommon.h" + +/* sample rates (table 4.5.1) */ +const int sampRateTab[NUM_SAMPLE_RATES] = { + 96000, 88200, 64000, 48000, 44100, 32000, + 24000, 22050, 16000, 12000, 11025, 8000 +}; + +/* max scalefactor band for prediction (main profile only) */ +const int predSFBMax[NUM_SAMPLE_RATES] = { + 33, 33, 38, 40, 40, 40, 41, 41, 37, 37, 37, 34 +}; + +/* channel mapping (table 1.6.3.4) (-1 = unknown, so need to determine mapping based on rules in 8.5.1) */ +const int channelMapTab[NUM_DEF_CHAN_MAPS] = { + -1, 1, 2, 3, 4, 5, 6, 8 +}; + +/* number of channels in each element (SCE, CPE, etc.) + * see AACElementID in aaccommon.h + */ +const int elementNumChans[NUM_ELEMENTS] = { + 1, 2, 0, 1, 0, 0, 0, 0 +}; + +/* total number of scale factor bands in one window */ +const unsigned char sfBandTotalShort[NUM_SAMPLE_RATES] = { + 12, 12, 12, 14, 14, 14, 15, 15, 15, 15, 15, 15 +}; + +const unsigned char sfBandTotalLong[NUM_SAMPLE_RATES] = { + 41, 41, 47, 49, 49, 51, 47, 47, 43, 43, 43, 40 +}; + +/* scale factor band tables */ +const int sfBandTabShortOffset[NUM_SAMPLE_RATES] = {0, 0, 0, 13, 13, 13, 28, 28, 44, 44, 44, 60}; + +const short sfBandTabShort[76] = { + /* short block 64, 88, 96 kHz [13] (tables 4.5.24, 4.5.26) */ + 0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128, + + /* short block 32, 44, 48 kHz [15] (table 4.5.15) */ + 0, 4, 8, 12, 16, 20, 28, 36, 44, 56, 68, 80, 96, 112, 128, + + /* short block 22, 24 kHz [16] (table 4.5.22) */ + 0, 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 64, 76, 92, 108, 128, + + /* short block 11, 12, 16 kHz [16] (table 4.5.20) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 40, 48, 60, 72, 88, 108, 128, + + /* short block 8 kHz [16] (table 4.5.18) */ + 0, 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 60, 72, 88, 108, 128 +}; + +const int sfBandTabLongOffset[NUM_SAMPLE_RATES] = {0, 0, 42, 90, 90, 140, 192, 192, 240, 240, 240, 284}; + +const short sfBandTabLong[325] = { + /* long block 88, 96 kHz [42] (table 4.5.25) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, + 56, 64, 72, 80, 88, 96, 108, 120, 132, 144, 156, 172, 188, 212, + 240, 276, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024, + + /* long block 64 kHz [48] (table 4.5.13) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 64, + 72, 80, 88, 100, 112, 124, 140, 156, 172, 192, 216, 240, 268, 304, 344, 384, + 424, 464, 504, 544, 584, 624, 664, 704, 744, 784, 824, 864, 904, 944, 984, 1024, + + /* long block 44, 48 kHz [50] (table 4.5.14) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, 80, 88, + 96, 108, 120, 132, 144, 160, 176, 196, 216, 240, 264, 292, 320, 352, 384, 416, 448, + 480, 512, 544, 576, 608, 640, 672, 704, 736, 768, 800, 832, 864, 896, 928, 1024, + + /* long block 32 kHz [52] (table 4.5.16) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, 80, 88, 96, + 108, 120, 132, 144, 160, 176, 196, 216, 240, 264, 292, 320, 352, 384, 416, 448, 480, 512, + 544, 576, 608, 640, 672, 704, 736, 768, 800, 832, 864, 896, 928, 960, 992, 1024, + + /* long block 22, 24 kHz [48] (table 4.5.21) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 52, 60, 68, 76, + 84, 92, 100, 108, 116, 124, 136, 148, 160, 172, 188, 204, 220, 240, 260, 284, + 308, 336, 364, 396, 432, 468, 508, 552, 600, 652, 704, 768, 832, 896, 960, 1024, + + /* long block 11, 12, 16 kHz [44] (table 4.5.19) */ + 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 100, 112, 124, + 136, 148, 160, 172, 184, 196, 212, 228, 244, 260, 280, 300, 320, 344, 368, + 396, 424, 456, 492, 532, 572, 616, 664, 716, 772, 832, 896, 960, 1024, + + /* long block 8 kHz [41] (table 4.5.17) */ + 0, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, + 172, 188, 204, 220, 236, 252, 268, 288, 308, 328, 348, 372, 396, 420, + 448, 476, 508, 544, 580, 620, 664, 712, 764, 820, 880, 944, 1024 +}; + + +/* TNS max bands (table 4.139) and max order (table 4.138) */ +const int tnsMaxBandsShortOffset[AAC_NUM_PROFILES] = {0, 0, 12}; + +const unsigned char tnsMaxBandsShort[2 * NUM_SAMPLE_RATES] = { + 9, 9, 10, 14, 14, 14, 14, 14, 14, 14, 14, 14, /* short block, Main/LC */ + 7, 7, 7, 6, 6, 6, 7, 7, 8, 8, 8, 7 /* short block, SSR */ +}; + +const unsigned char tnsMaxOrderShort[AAC_NUM_PROFILES] = {7, 7, 7}; + +const int tnsMaxBandsLongOffset[AAC_NUM_PROFILES] = {0, 0, 12}; + +const unsigned char tnsMaxBandsLong[2 * NUM_SAMPLE_RATES] = { + 31, 31, 34, 40, 42, 51, 46, 46, 42, 42, 42, 39, /* long block, Main/LC */ + 28, 28, 27, 26, 26, 26, 29, 29, 23, 23, 23, 19, /* long block, SSR */ +}; + +const unsigned char tnsMaxOrderLong[AAC_NUM_PROFILES] = {20, 12, 12}; diff --git a/audio_codec/libfaad/helixaac/assembly.h b/audio_codec/libfaad/helixaac/assembly.h new file mode 100644 index 0000000..a0f8095 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/assembly.h @@ -0,0 +1,631 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: assembly.h,v 1.9 2007/02/28 07:10:21 gahluwalia Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * assembly.h - inline assembly language functions and prototypes + * + * MULSHIFT32(x, y) signed multiply of two 32-bit integers (x and y), + * returns top 32-bits of 64-bit result + * CLIPTOSHORT(x) convert 32-bit integer to 16-bit short, + * clipping to [-32768, 32767] + * FASTABS(x) branchless absolute value of signed integer x + * CLZ(x) count leading zeros on signed integer x + * MADD64(sum64, x, y) 64-bit multiply accumulate: sum64 += (x*y) + **************************************************************************************/ + +#ifndef _ASSEMBLY_H +#define _ASSEMBLY_H + +/* toolchain: MSFT Visual C++ + * target architecture: x86 + */ +#if (defined (_WIN32) && !defined (_WIN32_WCE)) || (defined (__WINS__) && defined (_SYMBIAN)) || (defined (WINCE_EMULATOR)) || (defined (_OPENWAVE_SIMULATOR)) + +#pragma warning( disable : 4035 ) /* complains about inline asm not returning a value */ + +static __inline int MULSHIFT32(int x, int y) +{ + __asm { + mov eax, x + imul y + mov eax, edx + } +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +#ifdef __CW32__ +typedef long long Word64; +#else +typedef __int64 Word64; +#endif + +typedef union _U64 { + Word64 w64; + struct { + /* x86 = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +/* returns 64-bit value in [edx:eax] */ +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ +#if (defined (_SYMBIAN_61_) || defined (_SYMBIAN_70_)) && defined (__WINS__) && !defined (__CW32__) + /* Workaround for the Symbian emulator because of non existing longlong.lib and + * hence __allmul not defined. */ + __asm { + mov eax, x + imul y + add dword ptr sum64, eax + adc dword ptr sum64 + 4, edx + } +#else + sum64 += (Word64)x * (Word64)y; +#endif + + return sum64; +} + +/* toolchain: MSFT Embedded Visual C++ + * target architecture: ARM v.4 and above (require 'M' type processor for 32x32->64 multiplier) + */ +#elif defined (_WIN32) && defined (_WIN32_WCE) && defined (ARM) + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +/* implemented in asmfunc.s */ +#ifdef __cplusplus +extern "C" { +#endif + + typedef __int64 Word64; + + typedef union _U64 { + Word64 w64; + struct { + /* ARM WinCE = little endian */ + unsigned int lo32; + signed int hi32; + } r; + } U64; + + /* manual name mangling for just this platform (must match labels in .s file) */ +#define MULSHIFT32 raac_MULSHIFT32 +#define MADD64 raac_MADD64 + + int MULSHIFT32(int x, int y); + Word64 MADD64(Word64 sum64, int x, int y); + +#ifdef __cplusplus +} +#endif + +/* toolchain: ARM ADS or RealView + * target architecture: ARM v.4 and above (requires 'M' type processor for 32x32->64 multiplier) + */ +#elif (defined (__arm) && defined (__ARMCC_VERSION)) || (defined(HELIX_CONFIG_SYMBIAN_GENERATE_MMP) && !defined(__GCCE__)) + +static __inline int MULSHIFT32(int x, int y) +{ + /* rules for smull RdLo, RdHi, Rm, Rs: + * RdHi != Rm + * RdLo != Rm + * RdHi != RdLo + */ + int zlow; + __asm { + smull zlow, y, x, y + } + + return y; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; + + /* ARM code would look like this, but do NOT use inline asm in ADS for this, + because you can't safely use the status register flags intermixed with C code + + __asm { + mov numZeros, #1 + tst x, 0xffff0000 + addeq numZeros, numZeros, #16 + moveq x, x, lsl #16 + tst x, 0xff000000 + addeq numZeros, numZeros, #8 + moveq x, x, lsl #8 + tst x, 0xf0000000 + addeq numZeros, numZeros, #4 + moveq x, x, lsl #4 + tst x, 0xc0000000 + addeq numZeros, numZeros, #2 + moveq x, x, lsl #2 + sub numZeros, numZeros, x, lsr #31 + } + */ + /* reference: + numZeros = 0; + while (!(x & 0x80000000)) { + numZeros++; + x <<= 1; + } + */ +} + +typedef __int64 Word64; + +typedef union _U64 { + Word64 w64; + struct { + /* ARM ADS = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + U64 u; + u.w64 = sum64; + + __asm { + smlal u.r.lo32, u.r.hi32, x, y + } + + return u.w64; +} + +/* toolchain: ARM gcc + * target architecture: ARM v.4 and above (requires 'M' type processor for 32x32->64 multiplier) + */ +#elif defined(__GNUC__) && defined(__arm__) + +static __inline__ int MULSHIFT32(int x, int y) +{ + int zlow; + __asm__ volatile("smull %0,%1,%2,%3" : "=&r"(zlow), "=r"(y) : "r"(x), "1"(y) : "cc"); + return y; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return (sizeof(int) * 8); + } + + numZeros = 0; + while (!(x & 0x80000000)) { + numZeros++; + x <<= 1; + } + + return numZeros; +} + +typedef long long Word64; + +typedef union _U64 { + Word64 w64; + struct { + /* ARM ADS = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + U64 u; + u.w64 = sum64; + + __asm__ volatile("smlal %0,%1,%2,%3" : "+&r"(u.r.lo32), "+&r"(u.r.hi32) : "r"(x), "r"(y) : "cc"); + + return u.w64; +} + +/* toolchain: x86 gcc + * target architecture: x86 + */ +#elif defined(__GNUC__) && (defined(__i386__) || defined(__amd64__)) || (defined (_SOLARIS) && !defined (__GNUC__) && defined(_SOLARISX86)) + +typedef long long Word64; + +static __inline__ int MULSHIFT32(int x, int y) +{ + int z; + + z = (Word64)x * (Word64)y >> 32; + + return z; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +typedef union _U64 { + Word64 w64; + struct { + /* x86 = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + sum64 += (Word64)x * (Word64)y; + + return sum64; +} + +#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__POWERPC__)) || (defined (_SOLARIS) && !defined (__GNUC__) && !defined (_SOLARISX86)) + +typedef long long Word64; + +static __inline__ int MULSHIFT32(int x, int y) +{ + int z; + + z = (Word64)x * (Word64)y >> 32; + + return z; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +typedef union _U64 { + Word64 w64; + struct { + /* PowerPC = big endian */ + signed int hi32; + unsigned int lo32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + sum64 += (Word64)x * (Word64)y; + + return sum64; +} + +#else + +#error Unsupported platform in assembly.h + +#endif /* platforms */ + +#endif /* _ASSEMBLY_H */ diff --git a/audio_codec/libfaad/helixaac/assembly_mw.h b/audio_codec/libfaad/helixaac/assembly_mw.h new file mode 100644 index 0000000..335f4b0 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/assembly_mw.h @@ -0,0 +1,743 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: assembly.h,v 1.7 2005/11/10 00:04:40 margotm Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * assembly.h - inline assembly language functions and prototypes + * + * MULSHIFT32(x, y) signed multiply of two 32-bit integers (x and y), + * returns top 32-bits of 64-bit result + * CLIPTOSHORT(x) convert 32-bit integer to 16-bit short, + * clipping to [-32768, 32767] + * FASTABS(x) branchless absolute value of signed integer x + * CLZ(x) count leading zeros on signed integer x + * MADD64(sum64, x, y) 64-bit multiply accumulate: sum64 += (x*y) + **************************************************************************************/ + +#ifndef _ASSEMBLY_H +#define _ASSEMBLY_H + +//#define _Inline inline +#define _ARC32 +/* toolchain: MSFT Visual C++ + * target architecture: x86 + */ +#if (defined (_WIN32) && !defined (_WIN32_WCE)) || (defined (__WINS__) && defined (_SYMBIAN)) || (defined (WINCE_EMULATOR)) || (defined (_OPENWAVE_SIMULATOR)) + +#pragma warning( disable : 4035 ) /* complains about inline asm not returning a value */ + +static __inline int MULSHIFT32(int x, int y) +{ + __asm { + mov eax, x + imul y + mov eax, edx + } +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +#ifdef __CW32__ +typedef long long Word64; +#else +typedef __int64 Word64; +#endif + +typedef union _U64 { + Word64 w64; + struct { + /* x86 = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +/* returns 64-bit value in [edx:eax] */ +static __inline Word64 madd64(Word64 sum64, int x, int y) +{ +#if (defined (_SYMBIAN_61_) || defined (_SYMBIAN_70_)) && defined (__WINS__) && !defined (__CW32__) + /* Workaround for the Symbian emulator because of non existing longlong.lib and + * hence __allmul not defined. */ + __asm { + mov eax, x + imul y + add dword ptr sum64, eax + adc dword ptr sum64 + 4, edx + } +#else + sum64 += (Word64)x * (Word64)y; + + /* equivalent to return (sum + ((__int64)x * y)); */ +#endif +} + +#define SET_ZERO(x) x=0 +#define MADD64(sum64, x, y) sum64=madd64(sum64, x, y) +#define ADD64(x64, y64) x64 += y64; + +/* toolchain: MSFT Embedded Visual C++ + * target architecture: ARM v.4 and above (require 'M' type processor for 32x32->64 multiplier) + */ +#elif defined (_WIN32) && defined (_WIN32_WCE) && defined (ARM) + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +/* implemented in asmfunc.s */ +#ifdef __cplusplus +extern "C" { +#endif + + typedef __int64 Word64; + + typedef union _U64 { + Word64 w64; + struct { + /* ARM WinCE = little endian */ + unsigned int lo32; + signed int hi32; + } r; + } U64; + + /* manual name mangling for just this platform (must match labels in .s file) */ +#define MULSHIFT32 raac_MULSHIFT32 +#define MADD64 raac_MADD64 + + int MULSHIFT32(int x, int y); + Word64 MADD64(Word64 sum64, int x, int y); + +#ifdef __cplusplus +} +#endif + +/* toolchain: ARM ADS or RealView + * target architecture: ARM v.4 and above (requires 'M' type processor for 32x32->64 multiplier) + */ +#elif (defined (__arm) && defined (__ARMCC_VERSION)) || (defined(HELIX_CONFIG_SYMBIAN_GENERATE_MMP) && !defined(__GCCE__)) + +static __inline int MULSHIFT32(int x, int y) +{ + /* rules for smull RdLo, RdHi, Rm, Rs: + * RdHi != Rm + * RdLo != Rm + * RdHi != RdLo + */ + int zlow; + __asm { + smull zlow, y, x, y + } + + return y; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; + + /* ARM code would look like this, but do NOT use inline asm in ADS for this, + because you can't safely use the status register flags intermixed with C code + + __asm { + mov numZeros, #1 + tst x, 0xffff0000 + addeq numZeros, numZeros, #16 + moveq x, x, lsl #16 + tst x, 0xff000000 + addeq numZeros, numZeros, #8 + moveq x, x, lsl #8 + tst x, 0xf0000000 + addeq numZeros, numZeros, #4 + moveq x, x, lsl #4 + tst x, 0xc0000000 + addeq numZeros, numZeros, #2 + moveq x, x, lsl #2 + sub numZeros, numZeros, x, lsr #31 + } + */ + /* reference: + numZeros = 0; + while (!(x & 0x80000000)) { + numZeros++; + x <<= 1; + } + */ +} + +typedef __int64 Word64; + +typedef union _U64 { + Word64 w64; + struct { + /* ARM ADS = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + U64 u; + u.w64 = sum64; + + __asm { + smlal u.r.lo32, u.r.hi32, x, y + } + + return u.w64; +} + +/* toolchain: ARM gcc + * target architecture: ARM v.4 and above (requires 'M' type processor for 32x32->64 multiplier) + */ +#elif defined(__GNUC__) && defined(__arm__) + +static __inline__ int MULSHIFT32(int x, int y) +{ + int zlow; + __asm__ volatile("smull %0,%1,%2,%3" : "=&r"(zlow), "=r"(y) : "r"(x), "1"(y) : "cc"); + return y; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return (sizeof(int) * 8); + } + + numZeros = 0; + while (!(x & 0x80000000)) { + numZeros++; + x <<= 1; + } + + return numZeros; +} + +typedef long long Word64; + +typedef union _U64 { + Word64 w64; + struct { + /* ARM ADS = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + U64 u; + u.w64 = sum64; + + __asm__ volatile("smlal %0,%1,%2,%3" : "+&r"(u.r.lo32), "+&r"(u.r.hi32) : "r"(x), "r"(y) : "cc"); + + return u.w64; +} + +/* toolchain: x86 gcc + * target architecture: x86 + */ +#elif defined(__GNUC__) && (defined(__i386__) || defined(__amd64__)) || (defined (_SOLARIS) && !defined (__GNUC__) && defined(_SOLARISX86)) + +typedef long long Word64; + +static __inline__ int MULSHIFT32(int x, int y) +{ + int z; + + z = (Word64)x * (Word64)y >> 32; + + return z; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +typedef union _U64 { + Word64 w64; + struct { + /* x86 = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + sum64 += (Word64)x * (Word64)y; + + return sum64; +} + +#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__POWERPC__)) || (defined (_SOLARIS) && !defined (__GNUC__) && !defined (_SOLARISX86)) + +typedef long long Word64; + +static __inline__ int MULSHIFT32(int x, int y) +{ + int z; + + z = (Word64)x * (Word64)y >> 32; + + return z; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +typedef union _U64 { + Word64 w64; + struct { + /* PowerPC = big endian */ + signed int hi32; + unsigned int lo32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + sum64 += (Word64)x * (Word64)y; + + return sum64; +} + +#elif defined(_ARC32) + +_Asm _Inline int MULSHIFT32(int x, int y) +{ + % reg x, y + mullw 0, x, y + machlw % r0, x, y + % error +} + +_Asm _Inline short CLIPTOSHORT(int x) +{ + % reg x + min % r0, x, 0x7fff + max % r0, % r0, -0x8000 + % error +} + +_Asm _Inline int FASTABS(int x) +{ + % reg x + abs % r0, x + % error +} + +_Asm _Inline int CLZ(int x) +{ + /* assume x>0, if x<0 should return 0 */ + % reg x; + norm % r0, x + add % r0, % r0, 1 + % error +} +#endif +typedef struct { + unsigned int lo32; + signed int hi32; +} Word64; + +typedef union _U64 { + Word64 w64; + struct { + unsigned int lo32; + signed int hi32; + } r; +} U64; + +_Asm _Inline unsigned add64_lo(unsigned int xlo, unsigned int ylo) +{ + % reg xlo, ylo; + add.f % r0, xlo, ylo + % error +} + +_Asm _Inline int add64_hi(unsigned int xhi, unsigned int yhi) +{ + % reg xhi, yhi; + adc % r0, xhi, yhi + % error +} + +_Asm _Inline unsigned madd64_lo(unsigned lo, int a, int b) +{ + % reg lo, a, b; + mpy % r0, a, b + add.f % r0, lo, % r0 + % error +} + + +_Asm _Inline int madd64_hi(int hi, int a, int b) +{ + % reg hi, a, b; + mpyh % r0, a, b + adc % r0, hi, % r0 + % error +} + + + +_Asm _Inline void madd64(int a, int b) +{ + % reg a, b; + mulhlw 0, a, b + maclw 0, a, b + % error +} + +_Asm _Inline int madd64hi(int hi) +{ + % reg hi + //mov %r0, %acc2 + adc % r0, hi, % acc1 + % error +} + +_Asm _Inline int madd64lo(int lo) +{ + % reg lo + //mov %r0, %acc1 + add.f % r0, lo, % acc2 + % error +} + + + +#define SET_ZERO(x) x.lo32 = x.hi32 = 0 + +#define MADD64(w64, a, b) madd64(a, b); w64.lo32 = madd64lo(w64.lo32); w64.hi32 = madd64hi(w64.hi32); + +#define ADD64(x64, y64) x64.lo32 = add64_lo(x64.lo32,y64.lo32); x64.hi32 = add64_hi(x64.hi32,y64.hi32); + +#endif /* _ASSEMBLY_H */ diff --git a/audio_codec/libfaad/helixaac/bitstream.c b/audio_codec/libfaad/helixaac/bitstream.c new file mode 100644 index 0000000..3ae6eed --- a/dev/null +++ b/audio_codec/libfaad/helixaac/bitstream.c @@ -0,0 +1,261 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: bitstream.c,v 1.1.2.1.6.1 2005/10/19 00:18:49 gwright Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * bitstream.c - bitstream parsing functions + **************************************************************************************/ + +#include "bitstream.h" + +/************************************************************************************** + * Function: SetBitstreamPointer + * + * Description: initialize bitstream reader + * + * Inputs: pointer to BitStreamInfo struct + * number of bytes in bitstream + * pointer to byte-aligned buffer of data to read from + * + * Outputs: initialized bitstream info struct + * + * Return: none + **************************************************************************************/ +void SetBitstreamPointer(BitStreamInfo *bsi, int nBytes, unsigned char *buf) +{ + /* init bitstream */ + bsi->bytePtr = buf; + bsi->iCache = 0; /* 4-byte unsigned int */ + bsi->cachedBits = 0; /* i.e. zero bits in cache */ + bsi->nBytes = nBytes; +} + +/************************************************************************************** + * Function: RefillBitstreamCache + * + * Description: read new data from bitstream buffer into 32-bit cache + * + * Inputs: pointer to initialized BitStreamInfo struct + * + * Outputs: updated bitstream info struct + * + * Return: none + * + * Notes: only call when iCache is completely drained (resets bitOffset to 0) + * always loads 4 new bytes except when bsi->nBytes < 4 (end of buffer) + * stores data as big-endian in cache, regardless of machine endian-ness + **************************************************************************************/ +static __inline void RefillBitstreamCache(BitStreamInfo *bsi) +{ + int nBytes = bsi->nBytes; + + /* optimize for common case, independent of machine endian-ness */ + if (nBytes >= 4) { + bsi->iCache = (*bsi->bytePtr++) << 24; + bsi->iCache |= (*bsi->bytePtr++) << 16; + bsi->iCache |= (*bsi->bytePtr++) << 8; + bsi->iCache |= (*bsi->bytePtr++); + bsi->cachedBits = 32; + bsi->nBytes -= 4; + } else { + bsi->iCache = 0; + while (nBytes--) { + bsi->iCache |= (*bsi->bytePtr++); + bsi->iCache <<= 8; + } + bsi->iCache <<= ((3 - bsi->nBytes) * 8); + bsi->cachedBits = 8 * bsi->nBytes; + bsi->nBytes = 0; + } +} + +/************************************************************************************** + * Function: GetBits + * + * Description: get bits from bitstream, advance bitstream pointer + * + * Inputs: pointer to initialized BitStreamInfo struct + * number of bits to get from bitstream + * + * Outputs: updated bitstream info struct + * + * Return: the next nBits bits of data from bitstream buffer + * + * Notes: nBits must be in range [0, 31], nBits outside this range masked by 0x1f + * for speed, does not indicate error if you overrun bit buffer + * if nBits == 0, returns 0 + **************************************************************************************/ +unsigned int GetBits(BitStreamInfo *bsi, int nBits) +{ + unsigned int data, lowBits; + + nBits &= 0x1f; /* nBits mod 32 to avoid unpredictable results like >> by negative amount */ + data = bsi->iCache >> (31 - nBits); /* unsigned >> so zero-extend */ + data >>= 1; /* do as >> 31, >> 1 so that nBits = 0 works okay (returns 0) */ + bsi->iCache <<= nBits; /* left-justify cache */ + bsi->cachedBits -= nBits; /* how many bits have we drawn from the cache so far */ + + /* if we cross an int boundary, refill the cache */ + if (bsi->cachedBits < 0) { + lowBits = -bsi->cachedBits; + RefillBitstreamCache(bsi); + data |= bsi->iCache >> (32 - lowBits); /* get the low-order bits */ + + bsi->cachedBits -= lowBits; /* how many bits have we drawn from the cache so far */ + bsi->iCache <<= lowBits; /* left-justify cache */ + } + + return data; +} + +/************************************************************************************** + * Function: GetBitsNoAdvance + * + * Description: get bits from bitstream, do not advance bitstream pointer + * + * Inputs: pointer to initialized BitStreamInfo struct + * number of bits to get from bitstream + * + * Outputs: none (state of BitStreamInfo struct left unchanged) + * + * Return: the next nBits bits of data from bitstream buffer + * + * Notes: nBits must be in range [0, 31], nBits outside this range masked by 0x1f + * for speed, does not indicate error if you overrun bit buffer + * if nBits == 0, returns 0 + **************************************************************************************/ +unsigned int GetBitsNoAdvance(BitStreamInfo *bsi, int nBits) +{ + unsigned char *buf; + unsigned int data, iCache; + signed int lowBits; + + nBits &= 0x1f; /* nBits mod 32 to avoid unpredictable results like >> by negative amount */ + data = bsi->iCache >> (31 - nBits); /* unsigned >> so zero-extend */ + data >>= 1; /* do as >> 31, >> 1 so that nBits = 0 works okay (returns 0) */ + lowBits = nBits - bsi->cachedBits; /* how many bits do we have left to read */ + + /* if we cross an int boundary, read next bytes in buffer */ + if (lowBits > 0) { + iCache = 0; + buf = bsi->bytePtr; + while (lowBits > 0) { + iCache <<= 8; + if (buf < bsi->bytePtr + bsi->nBytes) { + iCache |= (unsigned int) * buf++; + } + lowBits -= 8; + } + lowBits = -lowBits; + data |= iCache >> lowBits; + } + + return data; +} + +/************************************************************************************** + * Function: AdvanceBitstream + * + * Description: move bitstream pointer ahead + * + * Inputs: pointer to initialized BitStreamInfo struct + * number of bits to advance bitstream + * + * Outputs: updated bitstream info struct + * + * Return: none + * + * Notes: generally used following GetBitsNoAdvance(bsi, maxBits) + **************************************************************************************/ +void AdvanceBitstream(BitStreamInfo *bsi, int nBits) +{ + nBits &= 0x1f; + if (nBits > bsi->cachedBits) { + nBits -= bsi->cachedBits; + RefillBitstreamCache(bsi); + } + bsi->iCache <<= nBits; + bsi->cachedBits -= nBits; +} + +/************************************************************************************** + * Function: CalcBitsUsed + * + * Description: calculate how many bits have been read from bitstream + * + * Inputs: pointer to initialized BitStreamInfo struct + * pointer to start of bitstream buffer + * bit offset into first byte of startBuf (0-7) + * + * Outputs: none + * + * Return: number of bits read from bitstream, as offset from startBuf:startOffset + **************************************************************************************/ +int CalcBitsUsed(BitStreamInfo *bsi, unsigned char *startBuf, int startOffset) +{ + int bitsUsed; + + bitsUsed = (bsi->bytePtr - startBuf) * 8; + bitsUsed -= bsi->cachedBits; + bitsUsed -= startOffset; + + return bitsUsed; +} + +/************************************************************************************** + * Function: ByteAlignBitstream + * + * Description: bump bitstream pointer to start of next byte + * + * Inputs: pointer to initialized BitStreamInfo struct + * + * Outputs: byte-aligned bitstream BitStreamInfo struct + * + * Return: none + * + * Notes: if bitstream is already byte-aligned, do nothing + **************************************************************************************/ +void ByteAlignBitstream(BitStreamInfo *bsi) +{ + int offset; + + offset = bsi->cachedBits & 0x07; + AdvanceBitstream(bsi, offset); +} diff --git a/audio_codec/libfaad/helixaac/bitstream.h b/audio_codec/libfaad/helixaac/bitstream.h new file mode 100644 index 0000000..5bfc54d --- a/dev/null +++ b/audio_codec/libfaad/helixaac/bitstream.h @@ -0,0 +1,74 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: bitstream.h,v 1.1.2.1 2005/02/26 02:05:12 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * bitstream.h - definitions of bitstream handling functions + **************************************************************************************/ + +#ifndef _BITSTREAM_H +#define _BITSTREAM_H + +#include "aaccommon.h" + +/* additional external symbols to name-mangle for static linking */ +#define SetBitstreamPointer STATNAME(SetBitstreamPointer) +#define GetBits STATNAME(GetBits) +#define GetBitsNoAdvance STATNAME(GetBitsNoAdvance) +#define AdvanceBitstream STATNAME(AdvanceBitstream) +#define CalcBitsUsed STATNAME(CalcBitsUsed) +#define ByteAlignBitstream STATNAME(ByteAlignBitstream) + +typedef struct _BitStreamInfo { + unsigned char *bytePtr; + unsigned int iCache; + int cachedBits; + int nBytes; +} BitStreamInfo; + +/* bitstream.c */ +void SetBitstreamPointer(BitStreamInfo *bsi, int nBytes, unsigned char *buf); +unsigned int GetBits(BitStreamInfo *bsi, int nBits); +unsigned int GetBitsNoAdvance(BitStreamInfo *bsi, int nBits); +void AdvanceBitstream(BitStreamInfo *bsi, int nBits); +int CalcBitsUsed(BitStreamInfo *bsi, unsigned char *startBuf, int startOffset); +void ByteAlignBitstream(BitStreamInfo *bsi); + +#endif /* _BITSTREAM_H */ diff --git a/audio_codec/libfaad/helixaac/buffers.c b/audio_codec/libfaad/helixaac/buffers.c new file mode 100644 index 0000000..2428213 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/buffers.c @@ -0,0 +1,140 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: buffers.c,v 1.1.2.1 2005/02/26 02:05:12 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * buffers.c - allocation and deallocation of internal AAC decoder buffers + **************************************************************************************/ + +#ifdef USE_DEFAULT_STDLIB +#include +#else +#include "hlxclib/stdlib.h" +#endif + +#include "coder.h" + +/************************************************************************************** + * Function: ClearBuffer + * + * Description: fill buffer with 0's + * + * Inputs: pointer to buffer + * number of bytes to fill with 0 + * + * Outputs: cleared buffer + * + * Return: none + * + * Notes: slow, platform-independent equivalent to memset(buf, 0, nBytes) + **************************************************************************************/ +void ClearBuffer(void *buf, int nBytes) +{ + int i; + unsigned char *cbuf = (unsigned char *)buf; + + for (i = 0; i < nBytes; i++) { + cbuf[i] = 0; + } + + return; +} + +/************************************************************************************** + * Function: AllocateBuffers + * + * Description: allocate all the memory needed for the AAC decoder + * + * Inputs: none + * + * Outputs: none + * + * Return: pointer to AACDecInfo structure, cleared to all 0's (except for + * pointer to platform-specific data structure) + * + * Notes: if one or more mallocs fail, function frees any buffers already + * allocated before returning + **************************************************************************************/ +AACDecInfo *AllocateBuffers(void) +{ + AACDecInfo *aacDecInfo; + + aacDecInfo = (AACDecInfo *)malloc(sizeof(AACDecInfo)); + if (!aacDecInfo) { + return 0; + } + ClearBuffer(aacDecInfo, sizeof(AACDecInfo)); + + aacDecInfo->psInfoBase = malloc(sizeof(PSInfoBase)); + if (!aacDecInfo->psInfoBase) { + FreeBuffers(aacDecInfo); + return 0; + } + ClearBuffer(aacDecInfo->psInfoBase, sizeof(PSInfoBase)); + + return aacDecInfo; +} + +#ifndef SAFE_FREE +#define SAFE_FREE(x) {if (x) free(x); (x) = 0;} /* helper macro */ +#endif + +/************************************************************************************** + * Function: FreeBuffers + * + * Description: frees all the memory used by the AAC decoder + * + * Inputs: pointer to initialized AACDecInfo structure + * + * Outputs: none + * + * Return: none + * + * Notes: safe to call even if some buffers were not allocated (uses SAFE_FREE) + **************************************************************************************/ +void FreeBuffers(AACDecInfo *aacDecInfo) +{ + if (!aacDecInfo) { + return; + } + + SAFE_FREE(aacDecInfo->psInfoBase); + SAFE_FREE(aacDecInfo); +} diff --git a/audio_codec/libfaad/helixaac/coder.h b/audio_codec/libfaad/helixaac/coder.h new file mode 100644 index 0000000..d57e5d7 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/coder.h @@ -0,0 +1,369 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: coder.h,v 1.2 2005/06/27 21:06:00 gwright Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * coder.h - definitions of platform-specific data structures, functions, and tables + **************************************************************************************/ + +#ifndef _CODER_H +#define _CODER_H + +#include "aaccommon.h" +#include "bitstream.h" + +#if 1//ndef ASSERT +#if 0// defined(_WIN32) && defined(_M_IX86) && (defined (_DEBUG) || defined (REL_ENABLE_ASSERTS)) +#define ASSERT(x) if (!(x)) __asm int 3; +#else +#define ASSERT(x,errid) do{if(!(x)) {/*printk(" aac decoder error ,errid %d\n",(errid));*/return (errid);}}while(0)/* do nothing */ +#endif +#endif + +#ifndef MAX +#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef MIN +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#endif + +#define NWINDOWS_LONG 1 +#define NWINDOWS_SHORT 8 + +#define DATA_BUF_SIZE 510 /* max count = 255 + 255 */ +#define FILL_BUF_SIZE 269 /* max count = 15 + 255 - 1*/ +#define ADIF_COPYID_SIZE 9 +#define MAX_COMMENT_BYTES 255 + +#define MAX_NUM_FCE 15 +#define MAX_NUM_SCE 15 +#define MAX_NUM_BCE 15 +#define MAX_NUM_LCE 3 +#define MAX_NUM_ADE 7 +#define MAX_NUM_CCE 15 + +#define CHAN_ELEM_IS_CPE(x) (((x) & 0x10) >> 4) /* bit 4 = SCE/CPE flag */ +#define CHAN_ELEM_GET_TAG(x) (((x) & 0x0f) >> 0) /* bits 3-0 = instance tag */ + +#define CHAN_ELEM_SET_CPE(x) (((x) & 0x01) << 4) /* bit 4 = SCE/CPE flag */ +#define CHAN_ELEM_SET_TAG(x) (((x) & 0x0f) << 0) /* bits 3-0 = instance tag */ + +#define MAX_HUFF_BITS 20 +#define HUFFTAB_SPEC_OFFSET 1 + +/* do y <<= n, clipping to range [-2^30, 2^30 - 1] (i.e. output has one guard bit) */ +#define CLIP_2N_SHIFT(y, n) { \ + int sign = (y) >> 31; \ + if (sign != (y) >> (30 - (n))) { \ + (y) = sign ^ (0x3fffffff); \ + } else { \ + (y) = (y) << (n); \ + } \ + } + +/* clip to [-2^n, 2^n-1], valid range of n = [1, 30] */ +#define CLIP_2N(val, n) { \ + if ((val) >> 31 != (val) >> (n)) \ + (val) = ((val) >> 31) ^ ((1 << (n)) - 1); \ + } + +#define SF_DQ_OFFSET 15 +#define FBITS_OUT_DQ 20 +#define FBITS_OUT_DQ_OFF (FBITS_OUT_DQ - SF_DQ_OFFSET) /* number of fraction bits out of dequant, including 2^15 bias */ + +#define FBITS_IN_IMDCT FBITS_OUT_DQ_OFF /* number of fraction bits into IMDCT */ +#define GBITS_IN_DCT4 4 /* min guard bits in for DCT4 */ + +#define FBITS_LOST_DCT4 1 /* number of fraction bits lost (>> out) in DCT-IV */ +#define FBITS_LOST_WND 1 /* number of fraction bits lost (>> out) in synthesis window (neg = gain frac bits) */ +#define FBITS_LOST_IMDCT (FBITS_LOST_DCT4 + FBITS_LOST_WND) +#define FBITS_OUT_IMDCT (FBITS_IN_IMDCT - FBITS_LOST_IMDCT) + +#define NUM_IMDCT_SIZES 2 + +/* additional external symbols to name-mangle for static linking */ +#define DecodeProgramConfigElement STATNAME(DecodeProgramConfigElement) +#define DecodeHuffmanScalar STATNAME(DecodeHuffmanScalar) +#define DecodeSpectrumLong STATNAME(DecodeSpectrumLong) +#define DecodeSpectrumShort STATNAME(DecodeSpectrumShort) +#define DecodeICSInfo STATNAME(DecodeICSInfo) +#define DCT4 STATNAME(DCT4) +#define R4FFT STATNAME(R4FFT) + +#define DecWindowOverlapNoClip STATNAME(DecWindowOverlapNoClip) +#define DecWindowOverlapLongStartNoClip STATNAME(DecWindowOverlapLongStartNoClip) +#define DecWindowOverlapLongStopNoClip STATNAME(DecWindowOverlapLongStopNoClip) +#define DecWindowOverlapShortNoClip STATNAME(DecWindowOverlapShortNoClip) + +#define huffTabSpecInfo STATNAME(huffTabSpecInfo) +#define huffTabSpec STATNAME(huffTabSpec) +#define huffTabScaleFactInfo STATNAME(huffTabScaleFactInfo) +#define huffTabScaleFact STATNAME(huffTabScaleFact) +#define cos4sin4tab STATNAME(cos4sin4tab) +#define cos4sin4tabOffset STATNAME(cos4sin4tabOffset) +#define cos1sin1tab STATNAME(cos1sin1tab) +#define sinWindow STATNAME(sinWindow) +#define sinWindowOffset STATNAME(sinWindowOffset) +#define kbdWindow STATNAME(kbdWindow) +#define kbdWindowOffset STATNAME(kbdWindowOffset) +#define bitrevtab STATNAME(bitrevtab) +#define bitrevtabOffset STATNAME(bitrevtabOffset) +#define uniqueIDTab STATNAME(uniqueIDTab) +#define twidTabEven STATNAME(twidTabEven) +#define twidTabOdd STATNAME(twidTabOdd) + +typedef struct _HuffInfo { + int maxBits; /* number of bits in longest codeword */ + unsigned char count[MAX_HUFF_BITS]; /* count[i] = number of codes with length i+1 bits */ + int offset; /* offset into symbol table */ +} HuffInfo; + +typedef struct _PulseInfo { + unsigned char pulseDataPresent; + unsigned char numPulse; + unsigned char startSFB; + unsigned char offset[MAX_PULSES]; + unsigned char amp[MAX_PULSES]; +} PulseInfo; + +typedef struct _TNSInfo { + unsigned char tnsDataPresent; + unsigned char numFilt[MAX_TNS_FILTERS]; /* max 1 filter each for 8 short windows, or 3 filters for 1 long window */ + unsigned char coefRes[MAX_TNS_FILTERS]; + unsigned char length[MAX_TNS_FILTERS]; + unsigned char order[MAX_TNS_FILTERS]; + unsigned char dir[MAX_TNS_FILTERS]; + signed char coef[MAX_TNS_COEFS]; /* max 3 filters * 20 coefs for 1 long window, or 1 filter * 7 coefs for each of 8 short windows */ +} TNSInfo; + +typedef struct _GainControlInfo { + unsigned char gainControlDataPresent; + unsigned char maxBand; + unsigned char adjNum[MAX_GAIN_BANDS][MAX_GAIN_WIN]; + unsigned char alevCode[MAX_GAIN_BANDS][MAX_GAIN_WIN][MAX_GAIN_ADJUST]; + unsigned char alocCode[MAX_GAIN_BANDS][MAX_GAIN_WIN][MAX_GAIN_ADJUST]; +} GainControlInfo; + +typedef struct _ICSInfo { + unsigned char icsResBit; + unsigned char winSequence; + unsigned char winShape; + unsigned char maxSFB; + unsigned char sfGroup; + unsigned char predictorDataPresent; + unsigned char predictorReset; + unsigned char predictorResetGroupNum; + unsigned char predictionUsed[MAX_PRED_SFB]; + unsigned char numWinGroup; + unsigned char winGroupLen[MAX_WIN_GROUPS]; +} ICSInfo; + +typedef struct _ADTSHeader { + /* fixed */ + unsigned char id; /* MPEG bit - should be 1 */ + unsigned char layer; /* MPEG layer - should be 0 */ + unsigned char protectBit; /* 0 = CRC word follows, 1 = no CRC word */ + unsigned char profile; /* 0 = main, 1 = LC, 2 = SSR, 3 = reserved */ + unsigned char sampRateIdx; /* sample rate index range = [0, 11] */ + unsigned char privateBit; /* ignore */ + unsigned char channelConfig; /* 0 = implicit, >0 = use default table */ + unsigned char origCopy; /* 0 = copy, 1 = original */ + unsigned char home; /* ignore */ + + /* variable */ + unsigned char copyBit; /* 1 bit of the 72-bit copyright ID (transmitted as 1 bit per frame) */ + unsigned char copyStart; /* 1 = this bit starts the 72-bit ID, 0 = it does not */ + int frameLength; /* length of frame */ + int bufferFull; /* number of 32-bit words left in enc buffer, 0x7FF = VBR */ + unsigned char numRawDataBlocks; /* number of raw data blocks in frame */ + + /* CRC */ + int crcCheckWord; /* 16-bit CRC check word (present if protectBit == 0) */ +} ADTSHeader; + +typedef struct _ADIFHeader { + unsigned char copyBit; /* 0 = no copyright ID, 1 = 72-bit copyright ID follows immediately */ + unsigned char origCopy; /* 0 = copy, 1 = original */ + unsigned char home; /* ignore */ + unsigned char bsType; /* bitstream type: 0 = CBR, 1 = VBR */ + int bitRate; /* bitRate: CBR = bits/sec, VBR = peak bits/frame, 0 = unknown */ + unsigned char numPCE; /* number of program config elements (max = 16) */ + int bufferFull; /* bits left in bit reservoir */ + unsigned char copyID[ADIF_COPYID_SIZE]; /* optional 72-bit copyright ID */ +} ADIFHeader; + +/* sizeof(ProgConfigElement) = 82 bytes (if KEEP_PCE_COMMENTS not defined) */ +typedef struct _ProgConfigElement { + unsigned char elemInstTag; /* element instance tag */ + unsigned char profile; /* 0 = main, 1 = LC, 2 = SSR, 3 = reserved */ + unsigned char sampRateIdx; /* sample rate index range = [0, 11] */ + unsigned char numFCE; /* number of front channel elements (max = 15) */ + unsigned char numSCE; /* number of side channel elements (max = 15) */ + unsigned char numBCE; /* number of back channel elements (max = 15) */ + unsigned char numLCE; /* number of LFE channel elements (max = 3) */ + unsigned char numADE; /* number of associated data elements (max = 7) */ + unsigned char numCCE; /* number of valid channel coupling elements (max = 15) */ + unsigned char monoMixdown; /* mono mixdown: bit 4 = present flag, bits 3-0 = element number */ + unsigned char stereoMixdown; /* stereo mixdown: bit 4 = present flag, bits 3-0 = element number */ + unsigned char matrixMixdown; /* matrix mixdown: bit 4 = present flag, bit 3 = unused, + bits 2-1 = index, bit 0 = pseudo-surround enable */ + unsigned char fce[MAX_NUM_FCE]; /* front element channel pair: bit 4 = SCE/CPE flag, bits 3-0 = inst tag */ + unsigned char sce[MAX_NUM_SCE]; /* side element channel pair: bit 4 = SCE/CPE flag, bits 3-0 = inst tag */ + unsigned char bce[MAX_NUM_BCE]; /* back element channel pair: bit 4 = SCE/CPE flag, bits 3-0 = inst tag */ + unsigned char lce[MAX_NUM_LCE]; /* instance tag for LFE elements */ + unsigned char ade[MAX_NUM_ADE]; /* instance tag for ADE elements */ + unsigned char cce[MAX_NUM_BCE]; /* channel coupling elements: bit 4 = switching flag, bits 3-0 = inst tag */ + +#ifdef KEEP_PCE_COMMENTS + /* make this optional - if not enabled, decoder will just skip comments */ + unsigned char commentBytes; + unsigned char commentField[MAX_COMMENT_BYTES]; +#endif + +} ProgConfigElement; + +/* state info struct for baseline (MPEG-4 LC) decoding */ +typedef struct _PSInfoBase { + /* header information */ + ADTSHeader fhADTS; + ADIFHeader fhADIF; + ProgConfigElement pce[MAX_NUM_PCE_ADIF]; + int dataCount; + unsigned char dataBuf[DATA_BUF_SIZE]; + int fillCount; + unsigned char fillBuf[FILL_BUF_SIZE]; + + /* state information which is the same throughout whole frame */ + int nChans; + int useImpChanMap; + int sampRateIdx; + + /* state information which can be overwritten by subsequent elements within frame */ + ICSInfo icsInfo[MAX_NCHANS_ELEM]; + + int commonWin; + short scaleFactors[MAX_NCHANS_ELEM][MAX_SF_BANDS]; + unsigned char sfbCodeBook[MAX_NCHANS_ELEM][MAX_SF_BANDS]; + + int msMaskPresent; + unsigned char msMaskBits[MAX_MS_MASK_BYTES]; + + int pnsUsed[MAX_NCHANS_ELEM]; + int pnsLastVal; + int intensityUsed[MAX_NCHANS_ELEM]; + + PulseInfo pulseInfo[MAX_NCHANS_ELEM]; + + TNSInfo tnsInfo[MAX_NCHANS_ELEM]; + int tnsLPCBuf[MAX_TNS_ORDER]; + int tnsWorkBuf[MAX_TNS_ORDER]; + + GainControlInfo gainControlInfo[MAX_NCHANS_ELEM]; + + int gbCurrent[MAX_NCHANS_ELEM]; + int coef[MAX_NCHANS_ELEM][AAC_MAX_NSAMPS]; +#ifdef AAC_ENABLE_SBR + int sbrWorkBuf[MAX_NCHANS_ELEM][AAC_MAX_NSAMPS]; +#endif + /* state information which must be saved for each element and used in next frame */ + int overlap[AAC_MAX_NCHANS][AAC_MAX_NSAMPS]; + int prevWinShape[AAC_MAX_NCHANS]; + +} PSInfoBase; + +/* private implementation-specific functions */ + +/* decelmnt.c */ +int DecodeProgramConfigElement(ProgConfigElement *pce, BitStreamInfo *bsi); + +/* huffman.c */ +int DecodeHuffmanScalar(const signed short *huffTab, const HuffInfo *huffTabInfo, unsigned int bitBuf, signed int *val); +int DecodeSpectrumLong(PSInfoBase *psi, BitStreamInfo *bsi, int ch); +int DecodeSpectrumShort(PSInfoBase *psi, BitStreamInfo *bsi, int ch); + +/* noiseless.c */ +void DecodeICSInfo(BitStreamInfo *bsi, ICSInfo *icsInfo, int sampRateIdx); + +/* dct4.c */ +void DCT4(int tabidx, int *coef, int gb); + +/* fft.c */ +void R4FFT(int tabidx, int *x); + +/* sbrimdct.c */ +void DecWindowOverlapNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev); +void DecWindowOverlapLongStartNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev); +void DecWindowOverlapLongStopNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev); +void DecWindowOverlapShortNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev); + +/* hufftabs.c */ +extern const HuffInfo huffTabSpecInfo[11]; +extern const signed short huffTabSpec[1241]; +extern const HuffInfo huffTabScaleFactInfo; +extern const signed short huffTabScaleFact[121]; + +/* trigtabs.c */ +extern const int cos4sin4tabOffset[NUM_IMDCT_SIZES]; +extern const int sinWindowOffset[NUM_IMDCT_SIZES]; +extern const int kbdWindowOffset[NUM_IMDCT_SIZES]; +extern const unsigned char bitrevtab[17 + 129]; +extern const int bitrevtabOffset[NUM_IMDCT_SIZES]; + +#ifdef HELIX_CONFIG_AAC_GENERATE_TRIGTABS_FLOAT +/* trigtabs_fltgen.c */ +extern int cos4sin4tab[128 + 1024]; +extern int cos1sin1tab[514]; +extern int sinWindow[128 + 1024]; +extern int kbdWindow[128 + 1024]; +extern int twidTabEven[4 * 6 + 16 * 6 + 64 * 6]; +extern int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6]; +#else +/* trigtabs.c */ +extern const int cos4sin4tab[128 + 1024]; +extern const int cos1sin1tab[514]; +extern const int sinWindow[128 + 1024]; +extern const int kbdWindow[128 + 1024]; +extern const int twidTabEven[4 * 6 + 16 * 6 + 64 * 6]; +extern const int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6]; +#endif + +#endif /* _CODER_H */ + diff --git a/audio_codec/libfaad/helixaac/dct4.c b/audio_codec/libfaad/helixaac/dct4.c new file mode 100644 index 0000000..3182479 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/dct4.c @@ -0,0 +1,337 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: dct4.c,v 1.1.2.1 2005/02/26 02:05:12 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * dct4.c - optimized DCT-IV + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +static const int nmdctTab[NUM_IMDCT_SIZES] = {128, 1024}; +static const int postSkip[NUM_IMDCT_SIZES] = {15, 1}; + +/************************************************************************************** + * Function: PreMultiply + * + * Description: pre-twiddle stage of DCT4 + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out, gains 5 (short) or 8 (long) frac bits + * i.e. gains 2-7= -5 int bits (short) or 2-10 = -8 int bits (long) + * normalization by -1/N is rolled into tables here (see trigtabs.c) + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + **************************************************************************************/ +static void PreMultiply(int tabidx, int *zbuf1) +{ + int i, nmdct, ar1, ai1, ar2, ai2, z1, z2; + int t, cms2, cps2a, sin2a, cps2b, sin2b; + int *zbuf2; + const int *csptr; + + nmdct = nmdctTab[tabidx]; + zbuf2 = zbuf1 + nmdct - 1; + csptr = cos4sin4tab + cos4sin4tabOffset[tabidx]; + + /* whole thing should fit in registers - verify that compiler does this */ + for (i = nmdct >> 2; i != 0; i--) { + /* cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) */ + cps2a = *csptr++; + sin2a = *csptr++; + cps2b = *csptr++; + sin2b = *csptr++; + + ar1 = *(zbuf1 + 0); + ai2 = *(zbuf1 + 1); + ai1 = *(zbuf2 + 0); + ar2 = *(zbuf2 - 1); + + /* gain 2 ints bit from MULSHIFT32 by Q30, but drop 7 or 10 int bits from table scaling of 1/M + * max per-sample gain (ignoring implicit scaling) = MAX(sin(angle)+cos(angle)) = 1.414 + * i.e. gain 1 GB since worst case is sin(angle) = cos(angle) = 0.707 (Q30), gain 2 from + * extra sign bits, and eat one in adding + */ + t = MULSHIFT32(sin2a, ar1 + ai1); + z2 = MULSHIFT32(cps2a, ai1) - t; + cms2 = cps2a - 2 * sin2a; + z1 = MULSHIFT32(cms2, ar1) + t; + *zbuf1++ = z1; /* cos*ar1 + sin*ai1 */ + *zbuf1++ = z2; /* cos*ai1 - sin*ar1 */ + + t = MULSHIFT32(sin2b, ar2 + ai2); + z2 = MULSHIFT32(cps2b, ai2) - t; + cms2 = cps2b - 2 * sin2b; + z1 = MULSHIFT32(cms2, ar2) + t; + *zbuf2-- = z2; /* cos*ai2 - sin*ar2 */ + *zbuf2-- = z1; /* cos*ar2 + sin*ai2 */ + } +} + +/************************************************************************************** + * Function: PostMultiply + * + * Description: post-twiddle stage of DCT4 + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out - gains 2 int bits + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + **************************************************************************************/ +static void PostMultiply(int tabidx, int *fft1) +{ + int i, nmdct, ar1, ai1, ar2, ai2, skipFactor; + int t, cms2, cps2, sin2; + int *fft2; + const int *csptr; + + nmdct = nmdctTab[tabidx]; + csptr = cos1sin1tab; + skipFactor = postSkip[tabidx]; + fft2 = fft1 + nmdct - 1; + + /* load coeffs for first pass + * cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) + */ + cps2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + cms2 = cps2 - 2 * sin2; + + for (i = nmdct >> 2; i != 0; i--) { + ar1 = *(fft1 + 0); + ai1 = *(fft1 + 1); + ar2 = *(fft2 - 1); + ai2 = *(fft2 + 0); + + /* gain 2 ints bit from MULSHIFT32 by Q30 + * max per-sample gain = MAX(sin(angle)+cos(angle)) = 1.414 + * i.e. gain 1 GB since worst case is sin(angle) = cos(angle) = 0.707 (Q30), gain 2 from + * extra sign bits, and eat one in adding + */ + t = MULSHIFT32(sin2, ar1 + ai1); + *fft2-- = t - MULSHIFT32(cps2, ai1); /* sin*ar1 - cos*ai1 */ + *fft1++ = t + MULSHIFT32(cms2, ar1); /* cos*ar1 + sin*ai1 */ + cps2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + + ai2 = -ai2; + t = MULSHIFT32(sin2, ar2 + ai2); + *fft2-- = t - MULSHIFT32(cps2, ai2); /* sin*ar1 - cos*ai1 */ + cms2 = cps2 - 2 * sin2; + *fft1++ = t + MULSHIFT32(cms2, ar2); /* cos*ar1 + sin*ai1 */ + } +} + +/************************************************************************************** + * Function: PreMultiplyRescale + * + * Description: pre-twiddle stage of DCT4, with rescaling for extra guard bits + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * number of guard bits to add to input before processing + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: see notes on PreMultiply(), above + **************************************************************************************/ +static void PreMultiplyRescale(int tabidx, int *zbuf1, int es) +{ + int i, nmdct, ar1, ai1, ar2, ai2, z1, z2; + int t, cms2, cps2a, sin2a, cps2b, sin2b; + int *zbuf2; + const int *csptr; + + nmdct = nmdctTab[tabidx]; + zbuf2 = zbuf1 + nmdct - 1; + csptr = cos4sin4tab + cos4sin4tabOffset[tabidx]; + + /* whole thing should fit in registers - verify that compiler does this */ + for (i = nmdct >> 2; i != 0; i--) { + /* cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) */ + cps2a = *csptr++; + sin2a = *csptr++; + cps2b = *csptr++; + sin2b = *csptr++; + + ar1 = *(zbuf1 + 0) >> es; + ai1 = *(zbuf2 + 0) >> es; + ai2 = *(zbuf1 + 1) >> es; + + t = MULSHIFT32(sin2a, ar1 + ai1); + z2 = MULSHIFT32(cps2a, ai1) - t; + cms2 = cps2a - 2 * sin2a; + z1 = MULSHIFT32(cms2, ar1) + t; + *zbuf1++ = z1; + *zbuf1++ = z2; + + ar2 = *(zbuf2 - 1) >> es; /* do here to free up register used for es */ + + t = MULSHIFT32(sin2b, ar2 + ai2); + z2 = MULSHIFT32(cps2b, ai2) - t; + cms2 = cps2b - 2 * sin2b; + z1 = MULSHIFT32(cms2, ar2) + t; + *zbuf2-- = z2; + *zbuf2-- = z1; + + } +} + +/************************************************************************************** + * Function: PostMultiplyRescale + * + * Description: post-twiddle stage of DCT4, with rescaling for extra guard bits + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * number of guard bits to remove from output + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: clips output to [-2^30, 2^30 - 1], guaranteeing at least 1 guard bit + * see notes on PostMultiply(), above + **************************************************************************************/ +static void PostMultiplyRescale(int tabidx, int *fft1, int es) +{ + int i, nmdct, ar1, ai1, ar2, ai2, skipFactor, z; + int t, cs2, sin2; + int *fft2; + const int *csptr; + + nmdct = nmdctTab[tabidx]; + csptr = cos1sin1tab; + skipFactor = postSkip[tabidx]; + fft2 = fft1 + nmdct - 1; + + /* load coeffs for first pass + * cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) + */ + cs2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + + for (i = nmdct >> 2; i != 0; i--) { + ar1 = *(fft1 + 0); + ai1 = *(fft1 + 1); + ai2 = *(fft2 + 0); + + t = MULSHIFT32(sin2, ar1 + ai1); + z = t - MULSHIFT32(cs2, ai1); + CLIP_2N_SHIFT(z, es); + *fft2-- = z; + cs2 -= 2 * sin2; + z = t + MULSHIFT32(cs2, ar1); + CLIP_2N_SHIFT(z, es); + *fft1++ = z; + + cs2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + + ar2 = *fft2; + ai2 = -ai2; + t = MULSHIFT32(sin2, ar2 + ai2); + z = t - MULSHIFT32(cs2, ai2); + CLIP_2N_SHIFT(z, es); + *fft2-- = z; + cs2 -= 2 * sin2; + z = t + MULSHIFT32(cs2, ar2); + CLIP_2N_SHIFT(z, es); + *fft1++ = z; + cs2 += 2 * sin2; + } +} + +/************************************************************************************** + * Function: DCT4 + * + * Description: type-IV DCT + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * number of guard bits in the input buffer + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: operates in-place + * if number of guard bits in input is < GBITS_IN_DCT4, the input is + * scaled (>>) before the DCT4 and rescaled (<<, with clipping) after + * the DCT4 (rare) + * the output has FBITS_LOST_DCT4 fewer fraction bits than the input + * the output will always have at least 1 guard bit (GBITS_IN_DCT4 >= 4) + * int bits gained per stage (PreMul + FFT + PostMul) + * short blocks = (-5 + 4 + 2) = 1 total + * long blocks = (-8 + 7 + 2) = 1 total + **************************************************************************************/ +void DCT4(int tabidx, int *coef, int gb) +{ + int es; + + /* fast in-place DCT-IV - adds guard bits if necessary */ + if (gb < GBITS_IN_DCT4) { + es = GBITS_IN_DCT4 - gb; + PreMultiplyRescale(tabidx, coef, es); + R4FFT(tabidx, coef); + PostMultiplyRescale(tabidx, coef, es); + } else { + PreMultiply(tabidx, coef); + R4FFT(tabidx, coef); + PostMultiply(tabidx, coef); + } +} diff --git a/audio_codec/libfaad/helixaac/decelmnt.c b/audio_codec/libfaad/helixaac/decelmnt.c new file mode 100644 index 0000000..4cd4ef8 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/decelmnt.c @@ -0,0 +1,445 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: decelmnt.c,v 1.1.2.1 2005/02/26 02:05:12 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * decelmnt.c - syntactic element decoding + **************************************************************************************/ + +#include "coder.h" + +/************************************************************************************** + * Function: DecodeSingleChannelElement + * + * Description: decode one SCE + * + * Inputs: BitStreamInfo struct pointing to start of SCE (14496-3, table 4.4.4) + * + * Outputs: updated element instance tag + * + * Return: 0 if successful, -1 if error + * + * Notes: doesn't decode individual channel stream (part of DecodeNoiselessData) + **************************************************************************************/ +static int DecodeSingleChannelElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + + /* read instance tag */ + aacDecInfo->currInstTag = GetBits(bsi, NUM_INST_TAG_BITS); + + return 0; +} + +/************************************************************************************** + * Function: DecodeChannelPairElement + * + * Description: decode one CPE + * + * Inputs: BitStreamInfo struct pointing to start of CPE (14496-3, table 4.4.5) + * + * Outputs: updated element instance tag + * updated commonWin + * updated ICS info, if commonWin == 1 + * updated mid-side stereo info, if commonWin == 1 + * + * Return: 0 if successful, -1 if error + * + * Notes: doesn't decode individual channel stream (part of DecodeNoiselessData) + **************************************************************************************/ +static int DecodeChannelPairElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + int sfb, gp, maskOffset; + unsigned char currBit, *maskPtr; + PSInfoBase *psi; + ICSInfo *icsInfo; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = psi->icsInfo; + + /* read instance tag */ + aacDecInfo->currInstTag = GetBits(bsi, NUM_INST_TAG_BITS); + + /* read common window flag and mid-side info (if present) + * store msMask bits in psi->msMaskBits[] as follows: + * long blocks - pack bits for each SFB in range [0, maxSFB) starting with lsb of msMaskBits[0] + * short blocks - pack bits for each SFB in range [0, maxSFB), for each group [0, 7] + * msMaskPresent = 0 means no M/S coding + * = 1 means psi->msMaskBits contains 1 bit per SFB to toggle M/S coding + * = 2 means all SFB's are M/S coded (so psi->msMaskBits is not needed) + */ + psi->commonWin = GetBits(bsi, 1); + if (psi->commonWin) { + DecodeICSInfo(bsi, icsInfo, psi->sampRateIdx); + psi->msMaskPresent = GetBits(bsi, 2); + if (psi->msMaskPresent == 1) { + maskPtr = psi->msMaskBits; + *maskPtr = 0; + maskOffset = 0; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + currBit = (unsigned char)GetBits(bsi, 1); + *maskPtr |= currBit << maskOffset; + if (++maskOffset == 8) { + maskPtr++; + *maskPtr = 0; + maskOffset = 0; + } + } + } + } + } + + return 0; +} + +/************************************************************************************** + * Function: DecodeLFEChannelElement + * + * Description: decode one LFE + * + * Inputs: BitStreamInfo struct pointing to start of LFE (14496-3, table 4.4.9) + * + * Outputs: updated element instance tag + * + * Return: 0 if successful, -1 if error + * + * Notes: doesn't decode individual channel stream (part of DecodeNoiselessData) + **************************************************************************************/ +static int DecodeLFEChannelElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + + /* read instance tag */ + aacDecInfo->currInstTag = GetBits(bsi, NUM_INST_TAG_BITS); + + return 0; +} + +/************************************************************************************** + * Function: DecodeDataStreamElement + * + * Description: decode one DSE + * + * Inputs: BitStreamInfo struct pointing to start of DSE (14496-3, table 4.4.10) + * + * Outputs: updated element instance tag + * filled in data stream buffer + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +static int DecodeDataStreamElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + unsigned int byteAlign, dataCount; + unsigned char *dataBuf; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + aacDecInfo->currInstTag = GetBits(bsi, NUM_INST_TAG_BITS); + byteAlign = GetBits(bsi, 1); + dataCount = GetBits(bsi, 8); + if (dataCount == 255) { + dataCount += GetBits(bsi, 8); + } + + if (byteAlign) { + ByteAlignBitstream(bsi); + } + + psi->dataCount = dataCount; + dataBuf = psi->dataBuf; + while (dataCount--) { + *dataBuf++ = GetBits(bsi, 8); + } + + return 0; +} + +/************************************************************************************** + * Function: DecodeProgramConfigElement + * + * Description: decode one PCE + * + * Inputs: BitStreamInfo struct pointing to start of PCE (14496-3, table 4.4.2) + * + * Outputs: filled-in ProgConfigElement struct + * updated BitStreamInfo struct + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: #define KEEP_PCE_COMMENTS to save the comment field of the PCE + * (otherwise we just skip it in the bitstream, to save memory) + **************************************************************************************/ +int DecodeProgramConfigElement(ProgConfigElement *pce, BitStreamInfo *bsi) +{ + int i; + + pce->elemInstTag = GetBits(bsi, 4); + pce->profile = GetBits(bsi, 2); + pce->sampRateIdx = GetBits(bsi, 4); + pce->numFCE = GetBits(bsi, 4); + pce->numSCE = GetBits(bsi, 4); + pce->numBCE = GetBits(bsi, 4); + pce->numLCE = GetBits(bsi, 2); + pce->numADE = GetBits(bsi, 3); + pce->numCCE = GetBits(bsi, 4); + + pce->monoMixdown = GetBits(bsi, 1) << 4; /* present flag */ + if (pce->monoMixdown) { + pce->monoMixdown |= GetBits(bsi, 4); /* element number */ + } + + pce->stereoMixdown = GetBits(bsi, 1) << 4; /* present flag */ + if (pce->stereoMixdown) { + pce->stereoMixdown |= GetBits(bsi, 4); /* element number */ + } + + pce->matrixMixdown = GetBits(bsi, 1) << 4; /* present flag */ + if (pce->matrixMixdown) { + pce->matrixMixdown |= GetBits(bsi, 2) << 1; /* index */ + pce->matrixMixdown |= GetBits(bsi, 1); /* pseudo-surround enable */ + } + + for (i = 0; i < pce->numFCE; i++) { + pce->fce[i] = GetBits(bsi, 1) << 4; /* is_cpe flag */ + pce->fce[i] |= GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numSCE; i++) { + pce->sce[i] = GetBits(bsi, 1) << 4; /* is_cpe flag */ + pce->sce[i] |= GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numBCE; i++) { + pce->bce[i] = GetBits(bsi, 1) << 4; /* is_cpe flag */ + pce->bce[i] |= GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numLCE; i++) { + pce->lce[i] = GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numADE; i++) { + pce->ade[i] = GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numCCE; i++) { + pce->cce[i] = GetBits(bsi, 1) << 4; /* independent/dependent flag */ + pce->cce[i] |= GetBits(bsi, 4); /* tag select */ + } + + + ByteAlignBitstream(bsi); + +#ifdef KEEP_PCE_COMMENTS + pce->commentBytes = GetBits(bsi, 8); + for (i = 0; i < pce->commentBytes; i++) { + pce->commentField[i] = GetBits(bsi, 8); + } +#else + /* eat comment bytes and throw away */ + i = GetBits(bsi, 8); + while (i--) { + GetBits(bsi, 8); + } +#endif + + return 0; +} + +/************************************************************************************** + * Function: DecodeFillElement + * + * Description: decode one fill element + * + * Inputs: BitStreamInfo struct pointing to start of fill element + * (14496-3, table 4.4.11) + * + * Outputs: updated element instance tag + * unpacked extension payload + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +static int DecodeFillElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + unsigned int fillCount; + unsigned char *fillBuf; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + fillCount = GetBits(bsi, 4); + if (fillCount == 15) { + fillCount += (GetBits(bsi, 8) - 1); + } + + psi->fillCount = fillCount; + fillBuf = psi->fillBuf; + while (fillCount--) { + *fillBuf++ = GetBits(bsi, 8); + } + + aacDecInfo->currInstTag = -1; /* fill elements don't have instance tag */ + aacDecInfo->fillExtType = 0; + +#ifdef AAC_ENABLE_SBR + /* check for SBR + * aacDecInfo->sbrEnabled is sticky (reset each raw_data_block), so for multichannel + * need to verify that all SCE/CPE/ICCE have valid SBR fill element following, and + * must upsample by 2 for LFE + */ + if (psi->fillCount > 0) { + aacDecInfo->fillExtType = (int)((psi->fillBuf[0] >> 4) & 0x0f); + if (aacDecInfo->fillExtType == EXT_SBR_DATA || aacDecInfo->fillExtType == EXT_SBR_DATA_CRC) { + aacDecInfo->sbrEnabled = 1; + } + } +#endif + + aacDecInfo->fillBuf = psi->fillBuf; + aacDecInfo->fillCount = psi->fillCount; + + return 0; +} + +/************************************************************************************** + * Function: DecodeNextElement + * + * Description: decode next syntactic element in AAC frame + * + * Inputs: valid AACDecInfo struct + * double pointer to buffer containing next element + * pointer to bit offset + * pointer to number of valid bits remaining in buf + * + * Outputs: type of element decoded (aacDecInfo->currBlockID) + * type of element decoded last time (aacDecInfo->prevBlockID) + * updated aacDecInfo state, depending on which element was decoded + * updated buffer pointer + * updated bit offset + * updated number of available bits + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int DecodeNextElement(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail) +{ + int err, bitsUsed; + PSInfoBase *psi; + BitStreamInfo bsi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + /* init bitstream reader */ + SetBitstreamPointer(&bsi, (*bitsAvail + 7) >> 3, *buf); + GetBits(&bsi, *bitOffset); + + /* read element ID (save last ID for SBR purposes) */ + aacDecInfo->prevBlockID = aacDecInfo->currBlockID; + aacDecInfo->currBlockID = GetBits(&bsi, NUM_SYN_ID_BITS); + + /* set defaults (could be overwritten by DecodeXXXElement(), depending on currBlockID) */ + psi->commonWin = 0; + + err = 0; + switch (aacDecInfo->currBlockID) { + case AAC_ID_SCE: + err = DecodeSingleChannelElement(aacDecInfo, &bsi); + break; + case AAC_ID_CPE: + err = DecodeChannelPairElement(aacDecInfo, &bsi); + break; + case AAC_ID_CCE: + /* TODO - implement CCE decoding */ + break; + case AAC_ID_LFE: + err = DecodeLFEChannelElement(aacDecInfo, &bsi); + break; + case AAC_ID_DSE: + err = DecodeDataStreamElement(aacDecInfo, &bsi); + break; + case AAC_ID_PCE: + err = DecodeProgramConfigElement(psi->pce + 0, &bsi); + break; + case AAC_ID_FIL: + err = DecodeFillElement(aacDecInfo, &bsi); + break; + case AAC_ID_END: + break; + } + if (err) { + return ERR_AAC_SYNTAX_ELEMENT; + } + + /* update bitstream reader */ + bitsUsed = CalcBitsUsed(&bsi, *buf, *bitOffset); + *buf += (bitsUsed + *bitOffset) >> 3; + *bitOffset = (bitsUsed + *bitOffset) & 0x07; + *bitsAvail -= bitsUsed; + + if (*bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + + return ERR_AAC_NONE; +} + diff --git a/audio_codec/libfaad/helixaac/dequant.c b/audio_codec/libfaad/helixaac/dequant.c new file mode 100644 index 0000000..43f4a5e --- a/dev/null +++ b/audio_codec/libfaad/helixaac/dequant.c @@ -0,0 +1,379 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: dequant.c,v 1.2 2005/05/20 18:05:41 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * dequant.c - transform coefficient dequantization and short-block deinterleaving + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" +#include + + +#define SF_OFFSET 100 + +/* pow(2, i/4.0) for i = [0,1,2,3], format = Q30 */ +static const int pow14[4] = { + 0x40000000, 0x4c1bf829, 0x5a82799a, 0x6ba27e65 +}; + +/* pow(2, i/4.0) * pow(j, 4.0/3.0) for i = [0,1,2,3], j = [0,1,2,...,15] + * format = Q28 for j = [0-3], Q25 for j = [4-15] + */ +static const int pow43_14[4][16] = { + { + 0x00000000, 0x10000000, 0x285145f3, 0x453a5cdb, /* Q28 */ + 0x0cb2ff53, 0x111989d6, 0x15ce31c8, 0x1ac7f203, /* Q25 */ + 0x20000000, 0x257106b9, 0x2b16b4a3, 0x30ed74b4, /* Q25 */ + 0x36f23fa5, 0x3d227bd3, 0x437be656, 0x49fc823c, /* Q25 */ + }, + { + 0x00000000, 0x1306fe0a, 0x2ff221af, 0x52538f52, + 0x0f1a1bf4, 0x1455ccc2, 0x19ee62a8, 0x1fd92396, + 0x260dfc14, 0x2c8694d8, 0x333dcb29, 0x3a2f5c7a, + 0x4157aed5, 0x48b3aaa3, 0x50409f76, 0x57fc3010, + }, + { + 0x00000000, 0x16a09e66, 0x39047c0f, 0x61e734aa, + 0x11f59ac4, 0x182ec633, 0x1ed66a45, 0x25dfc55a, + 0x2d413ccd, 0x34f3462d, 0x3cefc603, 0x4531ab69, + 0x4db4adf8, 0x56752054, 0x5f6fcfcd, 0x68a1eca1, + }, + { + 0x00000000, 0x1ae89f99, 0x43ce3e4b, 0x746d57b2, + 0x155b8109, 0x1cc21cdc, 0x24ac1839, 0x2d0a479e, + 0x35d13f33, 0x3ef80748, 0x48775c93, 0x524938cd, + 0x5c68841d, 0x66d0df0a, 0x717e7bfe, 0x7c6e0305, + }, +}; + +/* pow(j, 4.0 / 3.0) for j = [16,17,18,...,63], format = Q23 */ +static const int pow43[48] = { + 0x1428a2fa, 0x15db1bd6, 0x1796302c, 0x19598d85, + 0x1b24e8bb, 0x1cf7fcfa, 0x1ed28af2, 0x20b4582a, + 0x229d2e6e, 0x248cdb55, 0x26832fda, 0x28800000, + 0x2a832287, 0x2c8c70a8, 0x2e9bc5d8, 0x30b0ff99, + 0x32cbfd4a, 0x34eca001, 0x3712ca62, 0x393e6088, + 0x3b6f47e0, 0x3da56717, 0x3fe0a5fc, 0x4220ed72, + 0x44662758, 0x46b03e7c, 0x48ff1e87, 0x4b52b3f3, + 0x4daaebfd, 0x5007b497, 0x5268fc62, 0x54ceb29c, + 0x5738c721, 0x59a72a59, 0x5c19cd35, 0x5e90a129, + 0x610b9821, 0x638aa47f, 0x660db90f, 0x6894c90b, + 0x6b1fc80c, 0x6daeaa0d, 0x70416360, 0x72d7e8b0, + 0x75722ef9, 0x78102b85, 0x7ab1d3ec, 0x7d571e09, +}; + +/* sqrt(0.5), format = Q31 */ +#define SQRTHALF 0x5a82799a + +/* Minimax polynomial approximation to pow(x, 4/3), over the range + * poly43lo: x = [0.5, 0.7071] + * poly43hi: x = [0.7071, 1.0] + * + * Relative error < 1E-7 + * Coefs are scaled by 4, 2, 1, 0.5, 0.25 + */ +static const int poly43lo[5] = { 0x29a0bda9, 0xb02e4828, 0x5957aa1b, 0x236c498d, 0xff581859 }; +static const int poly43hi[5] = { 0x10852163, 0xd333f6a4, 0x46e9408b, 0x27c2cef0, 0xfef577b4 }; + +/* pow2exp[i] = pow(2, i*4/3) exponent */ +static const int pow2exp[8] = { 14, 13, 11, 10, 9, 7, 6, 5 }; + +/* pow2exp[i] = pow(2, i*4/3) fraction */ +static const int pow2frac[8] = { + 0x6597fa94, 0x50a28be6, 0x7fffffff, 0x6597fa94, + 0x50a28be6, 0x7fffffff, 0x6597fa94, 0x50a28be6 +}; + +/************************************************************************************** + * Function: DequantBlock + * + * Description: dequantize one block of transform coefficients (in-place) + * + * Inputs: quantized transform coefficients, range = [0, 8191] + * number of samples to dequantize + * scalefactor for this block of data, range = [0, 256] + * + * Outputs: dequantized transform coefficients in Q(FBITS_OUT_DQ_OFF) + * + * Return: guard bit mask (OR of abs value of all dequantized coefs) + * + * Notes: applies dequant formula y = pow(x, 4.0/3.0) * pow(2, (scale - 100)/4.0) + * * pow(2, FBITS_OUT_DQ_OFF) + * clips outputs to Q(FBITS_OUT_DQ_OFF) + * output has no minimum number of guard bits + **************************************************************************************/ +static int DequantBlock(int *inbuf, int nSamps, int scale) +{ + int iSamp, scalef, scalei, x, y, gbMask, shift, tab4[4]; + const int *tab16, *coef; + + if (nSamps <= 0) { + return 0; + } + + scale -= SF_OFFSET; /* new range = [-100, 156] */ + + /* with two's complement numbers, scalei/scalef factorization works for pos and neg values of scale: + * [+4...+7] >> 2 = +1, [ 0...+3] >> 2 = 0, [-4...-1] >> 2 = -1, [-8...-5] >> 2 = -2 ... + * (-1 & 0x3) = 3, (-2 & 0x3) = 2, (-3 & 0x3) = 1, (0 & 0x3) = 0 + * + * Example: 2^(-5/4) = 2^(-1) * 2^(-1/4) = 2^-2 * 2^(3/4) + */ + tab16 = pow43_14[scale & 0x3]; + scalef = pow14[scale & 0x3]; + scalei = (scale >> 2) + FBITS_OUT_DQ_OFF; + + /* cache first 4 values: + * tab16[j] = Q28 for j = [0,3] + * tab4[x] = x^(4.0/3.0) * 2^(0.25*scale), Q(FBITS_OUT_DQ_OFF) + */ + shift = 28 - scalei; + if (shift > 31) { + tab4[0] = tab4[1] = tab4[2] = tab4[3] = 0; + } else if (shift <= 0) { + shift = -shift; + if (shift > 31) { + shift = 31; + } + for (x = 0; x < 4; x++) { + y = tab16[x]; + if (y > (0x7fffffff >> shift)) { + y = 0x7fffffff; /* clip (rare) */ + } else { + y <<= shift; + } + tab4[x] = y; + } + } else { + tab4[0] = 0; + tab4[1] = tab16[1] >> shift; + tab4[2] = tab16[2] >> shift; + tab4[3] = tab16[3] >> shift; + } + + gbMask = 0; + do { + iSamp = *inbuf; + x = FASTABS(iSamp); + + if (x < 4) { + y = tab4[x]; + } else { + + if (x < 16) { + /* result: y = Q25 (tab16 = Q25) */ + y = tab16[x]; + shift = 25 - scalei; + } else if (x < 64) { + /* result: y = Q21 (pow43tab[j] = Q23, scalef = Q30) */ + y = pow43[x - 16]; + shift = 21 - scalei; + y = MULSHIFT32(y, scalef); + } else { + /* normalize to [0x40000000, 0x7fffffff] + * input x = [64, 8191] = [64, 2^13-1] + * ranges: + * shift = 7: 64 - 127 + * shift = 6: 128 - 255 + * shift = 5: 256 - 511 + * shift = 4: 512 - 1023 + * shift = 3: 1024 - 2047 + * shift = 2: 2048 - 4095 + * shift = 1: 4096 - 8191 + */ + x <<= 17; + shift = 0; + if (x < 0x08000000) { + x <<= 4, shift += 4; + } + if (x < 0x20000000) { + x <<= 2, shift += 2; + } + if (x < 0x40000000) { + x <<= 1, shift += 1; + } + + coef = (x < SQRTHALF) ? poly43lo : poly43hi; + + /* polynomial */ + y = coef[0]; + y = MULSHIFT32(y, x) + coef[1]; + y = MULSHIFT32(y, x) + coef[2]; + y = MULSHIFT32(y, x) + coef[3]; + y = MULSHIFT32(y, x) + coef[4]; + y = MULSHIFT32(y, pow2frac[shift]) << 3; + + /* fractional scale + * result: y = Q21 (pow43tab[j] = Q23, scalef = Q30) + */ + y = MULSHIFT32(y, scalef); /* now y is Q24 */ + shift = 24 - scalei - pow2exp[shift]; + } + + /* integer scale */ + if (shift <= 0) { + shift = -shift; + if (shift > 31) { + shift = 31; + } + + if (y > (0x7fffffff >> shift)) { + y = 0x7fffffff; /* clip (rare) */ + } else { + y <<= shift; + } + } else { + if (shift > 31) { + shift = 31; + } + y >>= shift; + } + } + + /* sign and store (gbMask used to count GB's) */ + gbMask |= y; + + /* apply sign */ + iSamp >>= 31; + y ^= iSamp; + y -= iSamp; + + *inbuf++ = y; + } while (--nSamps); + + return gbMask; +} + +/************************************************************************************** + * Function: Dequantize + * + * Description: dequantize all transform coefficients for one channel + * + * Inputs: valid AACDecInfo struct (including unpacked, quantized coefficients) + * index of current channel + * + * Outputs: dequantized coefficients, including short-block deinterleaving + * flags indicating if intensity and/or PNS is active + * minimum guard bit count for dequantized coefficients + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int Dequantize(AACDecInfo *aacDecInfo, int ch) +{ + int gp, cb, sfb, win, width, nSamps, gbMask; + int *coef; + const short *sfbTab; + unsigned char *sfbCodeBook; + short *scaleFactors; + PSInfoBase *psi; + ICSInfo *icsInfo; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + if (icsInfo->winSequence == 2) { + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + nSamps = NSAMPS_SHORT; + } else { + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + nSamps = NSAMPS_LONG; + } + coef = psi->coef[ch]; + sfbCodeBook = psi->sfbCodeBook[ch]; + scaleFactors = psi->scaleFactors[ch]; + + psi->intensityUsed[ch] = 0; + psi->pnsUsed[ch] = 0; + gbMask = 0; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + /* dequantize one scalefactor band (not necessary if codebook is intensity or PNS) + * for zero codebook, still run dequantizer in case non-zero pulse data was added + */ + cb = (int)(sfbCodeBook[sfb]); + width = sfbTab[sfb + 1] - sfbTab[sfb]; + if (cb >= 0 && cb <= 11) { + gbMask |= DequantBlock(coef, width, scaleFactors[sfb]); + } else if (cb == 13) { + psi->pnsUsed[ch] = 1; + } else if (cb == 14 || cb == 15) { + psi->intensityUsed[ch] = 1; /* should only happen if ch == 1 */ + } + coef += width; + } + coef += (nSamps - sfbTab[icsInfo->maxSFB]); + } + sfbCodeBook += icsInfo->maxSFB; + scaleFactors += icsInfo->maxSFB; + } + aacDecInfo->pnsUsed |= psi->pnsUsed[ch]; /* set flag if PNS used for any channel */ + + /* calculate number of guard bits in dequantized data */ + psi->gbCurrent[ch] = CLZ(gbMask) - 1; + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: DeinterleaveShortBlocks + * + * Description: deinterleave transform coefficients in short blocks for one channel + * + * Inputs: valid AACDecInfo struct (including unpacked, quantized coefficients) + * index of current channel + * + * Outputs: deinterleaved coefficients (window groups into 8 separate windows) + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: only necessary if deinterleaving not part of Huffman decoding + **************************************************************************************/ +int DeinterleaveShortBlocks(AACDecInfo *aacDecInfo, int ch) +{ + /* not used for this implementation - short block deinterleaving performed during Huffman decoding */ + return ERR_AAC_NONE; +} diff --git a/audio_codec/libfaad/helixaac/fft.c b/audio_codec/libfaad/helixaac/fft.c new file mode 100644 index 0000000..db17d27 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/fft.c @@ -0,0 +1,391 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: fft.c,v 1.1.2.1 2005/02/26 02:05:12 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * fft.c - Ken's optimized radix-4 DIT FFT, optional radix-8 first pass for odd log2(N) + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +#define NUM_FFT_SIZES 2 +static const int nfftTab[NUM_FFT_SIZES] = {64, 512}; +static const int nfftlog2Tab[NUM_FFT_SIZES] = {6, 9}; + +#define SQRT1_2 0x5a82799a /* sqrt(1/2) in Q31 */ + +#define swapcplx(p0,p1) \ + t = p0; t1 = *(&(p0)+1); p0 = p1; *(&(p0)+1) = *(&(p1)+1); p1 = t; *(&(p1)+1) = t1 + +/************************************************************************************** + * Function: BitReverse + * + * Description: Ken's fast in-place bit reverse, using super-small table + * + * Inputs: buffer of samples + * table index (for transform size) + * + * Outputs: bit-reversed samples in same buffer + * + * Return: none + **************************************************************************************/ +static void BitReverse(int *inout, int tabidx) +{ + int *part0, *part1; + int a, b, t, t1; + const unsigned char* tab = bitrevtab + bitrevtabOffset[tabidx]; + int nbits = nfftlog2Tab[tabidx]; + + part0 = inout; + part1 = inout + (1 << nbits); + + while ((a = *tab++) != 0) { + b = *tab++; + + swapcplx(part0[4 * a + 0], part0[4 * b + 0]); /* 0xxx0 <-> 0yyy0 */ + swapcplx(part0[4 * a + 2], part1[4 * b + 0]); /* 0xxx1 <-> 1yyy0 */ + swapcplx(part1[4 * a + 0], part0[4 * b + 2]); /* 1xxx0 <-> 0yyy1 */ + swapcplx(part1[4 * a + 2], part1[4 * b + 2]); /* 1xxx1 <-> 1yyy1 */ + } + + do { + swapcplx(part0[4 * a + 2], part1[4 * a + 0]); /* 0xxx1 <-> 1xxx0 */ + } while ((a = *tab++) != 0); +} + +/************************************************************************************** + * Function: R4FirstPass + * + * Description: radix-4 trivial pass for decimation-in-time FFT + * + * Inputs: buffer of (bit-reversed) samples + * number of R4 butterflies per group (i.e. nfft / 4) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 2 guard bits, gains no integer bits, + * guard bits out = guard bits in - 2 + **************************************************************************************/ +static void R4FirstPass(int *x, int bg) +{ + int ar, ai, br, bi, cr, ci, dr, di; + + for (; bg != 0; bg--) { + + ar = x[0] + x[2]; + br = x[0] - x[2]; + ai = x[1] + x[3]; + bi = x[1] - x[3]; + cr = x[4] + x[6]; + dr = x[4] - x[6]; + ci = x[5] + x[7]; + di = x[5] - x[7]; + + /* max per-sample gain = 4.0 (adding 4 inputs together) */ + x[0] = ar + cr; + x[4] = ar - cr; + x[1] = ai + ci; + x[5] = ai - ci; + x[2] = br + di; + x[6] = br - di; + x[3] = bi - dr; + x[7] = bi + dr; + + x += 8; + } +} + +/************************************************************************************** + * Function: R8FirstPass + * + * Description: radix-8 trivial pass for decimation-in-time FFT + * + * Inputs: buffer of (bit-reversed) samples + * number of R8 butterflies per group (i.e. nfft / 8) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 3 guard bits, gains 1 integer bit + * guard bits out = guard bits in - 3 (if inputs are full scale) + * or guard bits in - 2 (if inputs bounded to +/- sqrt(2)/2) + * see scaling comments in code + **************************************************************************************/ +static void R8FirstPass(int *x, int bg) +{ + int ar, ai, br, bi, cr, ci, dr, di; + int sr, si, tr, ti, ur, ui, vr, vi; + int wr, wi, xr, xi, yr, yi, zr, zi; + + for (; bg != 0; bg--) { + + ar = x[0] + x[2]; + br = x[0] - x[2]; + ai = x[1] + x[3]; + bi = x[1] - x[3]; + cr = x[4] + x[6]; + dr = x[4] - x[6]; + ci = x[5] + x[7]; + di = x[5] - x[7]; + + sr = ar + cr; + ur = ar - cr; + si = ai + ci; + ui = ai - ci; + tr = br - di; + vr = br + di; + ti = bi + dr; + vi = bi - dr; + + ar = x[ 8] + x[10]; + br = x[ 8] - x[10]; + ai = x[ 9] + x[11]; + bi = x[ 9] - x[11]; + cr = x[12] + x[14]; + dr = x[12] - x[14]; + ci = x[13] + x[15]; + di = x[13] - x[15]; + + /* max gain of wr/wi/yr/yi vs input = 2 + * (sum of 4 samples >> 1) + */ + wr = (ar + cr) >> 1; + yr = (ar - cr) >> 1; + wi = (ai + ci) >> 1; + yi = (ai - ci) >> 1; + + /* max gain of output vs input = 4 + * (sum of 4 samples >> 1 + sum of 4 samples >> 1) + */ + x[ 0] = (sr >> 1) + wr; + x[ 8] = (sr >> 1) - wr; + x[ 1] = (si >> 1) + wi; + x[ 9] = (si >> 1) - wi; + x[ 4] = (ur >> 1) + yi; + x[12] = (ur >> 1) - yi; + x[ 5] = (ui >> 1) - yr; + x[13] = (ui >> 1) + yr; + + ar = br - di; + cr = br + di; + ai = bi + dr; + ci = bi - dr; + + /* max gain of xr/xi/zr/zi vs input = 4*sqrt(2)/2 = 2*sqrt(2) + * (sum of 8 samples, multiply by sqrt(2)/2, implicit >> 1 from Q31) + */ + xr = MULSHIFT32(SQRT1_2, ar - ai); + xi = MULSHIFT32(SQRT1_2, ar + ai); + zr = MULSHIFT32(SQRT1_2, cr - ci); + zi = MULSHIFT32(SQRT1_2, cr + ci); + + /* max gain of output vs input = (2 + 2*sqrt(2) ~= 4.83) + * (sum of 4 samples >> 1, plus xr/xi/zr/zi with gain of 2*sqrt(2)) + * in absolute terms, we have max gain of appx 9.656 (4 + 0.707*8) + * but we also gain 1 int bit (from MULSHIFT32 or from explicit >> 1) + */ + x[ 6] = (tr >> 1) - xr; + x[14] = (tr >> 1) + xr; + x[ 7] = (ti >> 1) - xi; + x[15] = (ti >> 1) + xi; + x[ 2] = (vr >> 1) + zi; + x[10] = (vr >> 1) - zi; + x[ 3] = (vi >> 1) - zr; + x[11] = (vi >> 1) + zr; + + x += 16; + } +} + +/************************************************************************************** + * Function: R4Core + * + * Description: radix-4 pass for decimation-in-time FFT + * + * Inputs: buffer of samples + * number of R4 butterflies per group + * number of R4 groups per pass + * pointer to twiddle factors tables + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: gain 2 integer bits per pass (see scaling comments in code) + * min 1 GB in + * gbOut = gbIn - 1 (short block) or gbIn - 2 (long block) + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + **************************************************************************************/ +static void R4Core(int *x, int bg, int gp, int *wtab) +{ + int ar, ai, br, bi, cr, ci, dr, di, tr, ti; + int wd, ws, wi; + int i, j, step; + int *xptr, *wptr; + + for (; bg != 0; gp <<= 2, bg >>= 2) { + + step = 2 * gp; + xptr = x; + + /* max per-sample gain, per group < 1 + 3*sqrt(2) ~= 5.25 if inputs x are full-scale + * do 3 groups for long block, 2 groups for short block (gain 2 int bits per group) + * + * very conservative scaling: + * group 1: max gain = 5.25, int bits gained = 2, gb used = 1 (2^3 = 8) + * group 2: max gain = 5.25^2 = 27.6, int bits gained = 4, gb used = 1 (2^5 = 32) + * group 3: max gain = 5.25^3 = 144.7, int bits gained = 6, gb used = 2 (2^8 = 256) + */ + for (i = bg; i != 0; i--) { + + wptr = wtab; + + for (j = gp; j != 0; j--) { + + ar = xptr[0]; + ai = xptr[1]; + xptr += step; + + /* gain 2 int bits for br/bi, cr/ci, dr/di (MULSHIFT32 by Q30) + * gain 1 net GB + */ + ws = wptr[0]; + wi = wptr[1]; + br = xptr[0]; + bi = xptr[1]; + wd = ws + 2 * wi; + tr = MULSHIFT32(wi, br + bi); + br = MULSHIFT32(wd, br) - tr; /* cos*br + sin*bi */ + bi = MULSHIFT32(ws, bi) + tr; /* cos*bi - sin*br */ + xptr += step; + + ws = wptr[2]; + wi = wptr[3]; + cr = xptr[0]; + ci = xptr[1]; + wd = ws + 2 * wi; + tr = MULSHIFT32(wi, cr + ci); + cr = MULSHIFT32(wd, cr) - tr; + ci = MULSHIFT32(ws, ci) + tr; + xptr += step; + + ws = wptr[4]; + wi = wptr[5]; + dr = xptr[0]; + di = xptr[1]; + wd = ws + 2 * wi; + tr = MULSHIFT32(wi, dr + di); + dr = MULSHIFT32(wd, dr) - tr; + di = MULSHIFT32(ws, di) + tr; + wptr += 6; + + tr = ar; + ti = ai; + ar = (tr >> 2) - br; + ai = (ti >> 2) - bi; + br = (tr >> 2) + br; + bi = (ti >> 2) + bi; + + tr = cr; + ti = ci; + cr = tr + dr; + ci = di - ti; + dr = tr - dr; + di = di + ti; + + xptr[0] = ar + ci; + xptr[1] = ai + dr; + xptr -= step; + xptr[0] = br - cr; + xptr[1] = bi - di; + xptr -= step; + xptr[0] = ar - ci; + xptr[1] = ai - dr; + xptr -= step; + xptr[0] = br + cr; + xptr[1] = bi + di; + xptr += 2; + } + xptr += 3 * step; + } + wtab += 3 * step; + } +} + + +/************************************************************************************** + * Function: R4FFT + * + * Description: Ken's very fast in-place radix-4 decimation-in-time FFT + * + * Inputs: table index (for transform size) + * buffer of samples (non bit-reversed) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 5 guard bits in for nfft <= 512 + * gbOut = gbIn - 4 (assuming input is from PreMultiply) + * gains log2(nfft) - 2 int bits total + * so gain 7 int bits (LONG), 4 int bits (SHORT) + **************************************************************************************/ +void R4FFT(int tabidx, int *x) +{ + int order = nfftlog2Tab[tabidx]; + int nfft = nfftTab[tabidx]; + + /* decimation in time */ + BitReverse(x, tabidx); + + if (order & 0x1) { + /* long block: order = 9, nfft = 512 */ + R8FirstPass(x, nfft >> 3); /* gain 1 int bit, lose 2 GB */ + R4Core(x, nfft >> 5, 8, (int *)twidTabOdd); /* gain 6 int bits, lose 2 GB */ + } else { + /* short block: order = 6, nfft = 64 */ + R4FirstPass(x, nfft >> 2); /* gain 0 int bits, lose 2 GB */ + R4Core(x, nfft >> 4, 4, (int *)twidTabEven); /* gain 4 int bits, lose 1 GB */ + } +} diff --git a/audio_codec/libfaad/helixaac/filefmt.c b/audio_codec/libfaad/helixaac/filefmt.c new file mode 100644 index 0000000..9db47d4 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/filefmt.c @@ -0,0 +1,539 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: filefmt.c,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * filefmt.c - ADIF and ADTS header decoding, raw block handling + **************************************************************************************/ + +#include "coder.h" +#include + +/************************************************************************************** +* Function: UnpackADTSHeader +* +* Description: parse the ADTS frame header and initialize decoder state +* +* Inputs: valid AACDecInfo struct +* double pointer to buffer with complete ADTS frame header (byte aligned) +* header size = 7 bytes, plus 2 if CRC +* +* Outputs: filled in ADTS struct +* updated buffer pointer +* updated bit offset +* updated number of available bits +* +* Return: 0 if successful, error code (< 0) if error +* +* TODO: test CRC +* verify that fixed fields don't change between frames +**************************************************************************************/ +int UnpackADTSHeader(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail) +{ + int bitsUsed; + PSInfoBase *psi; + BitStreamInfo bsi; + ADTSHeader *fhADTS; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + fhADTS = &(psi->fhADTS); + + if (AACDataSource == 1) { + /* init bitstream reader */ + SetBitstreamPointer(&bsi, (*bitsAvail + 7) >> 3, *buf); + GetBits(&bsi, *bitOffset); + + /* verify that first 12 bits of header are syncword */ + if (GetBits(&bsi, 12) != 0x0fff) { + return ERR_AAC_INVALID_ADTS_HEADER; + } + } + /* fixed fields - should not change from frame to frame */ + fhADTS->id = GetBits(&bsi, 1); + fhADTS->layer = GetBits(&bsi, 2); + fhADTS->protectBit = GetBits(&bsi, 1); + fhADTS->profile = GetBits(&bsi, 2); + fhADTS->sampRateIdx = GetBits(&bsi, 4); + fhADTS->privateBit = GetBits(&bsi, 1); + fhADTS->channelConfig = GetBits(&bsi, 3); + fhADTS->origCopy = GetBits(&bsi, 1); + fhADTS->home = GetBits(&bsi, 1); + + /* variable fields - can change from frame to frame */ + fhADTS->copyBit = GetBits(&bsi, 1); + fhADTS->copyStart = GetBits(&bsi, 1); + fhADTS->frameLength = GetBits(&bsi, 13); + fhADTS->bufferFull = GetBits(&bsi, 11); + fhADTS->numRawDataBlocks = GetBits(&bsi, 2) + 1; + + /* note - MPEG4 spec, correction 1 changes how CRC is handled when protectBit == 0 and numRawDataBlocks > 1 */ + if (fhADTS->protectBit == 0) { + fhADTS->crcCheckWord = GetBits(&bsi, 16); + } + + /* byte align */ + ByteAlignBitstream(&bsi); /* should always be aligned anyway */ + + /* check validity of header */ + if (fhADTS->layer != 0 || fhADTS->profile != AAC_PROFILE_LC || + fhADTS->sampRateIdx >= NUM_SAMPLE_RATES || fhADTS->channelConfig >= NUM_DEF_CHAN_MAPS) { + return ERR_AAC_INVALID_ADTS_HEADER; + } + +#ifndef AAC_ENABLE_MPEG4 + if (fhADTS->id != 1) { + return ERR_AAC_MPEG4_UNSUPPORTED; + } +#endif + + /* update codec info */ + psi->sampRateIdx = fhADTS->sampRateIdx; + if (!psi->useImpChanMap) { + psi->nChans = channelMapTab[fhADTS->channelConfig]; + } + + /* syntactic element fields will be read from bitstream for each element */ + aacDecInfo->prevBlockID = AAC_ID_INVALID; + aacDecInfo->currBlockID = AAC_ID_INVALID; + aacDecInfo->currInstTag = -1; + + /* fill in user-accessible data (TODO - calc bitrate, handle tricky channel config cases) */ + aacDecInfo->bitRate = 0; + aacDecInfo->nChans = psi->nChans; + aacDecInfo->sampRate = sampRateTab[psi->sampRateIdx]; + aacDecInfo->profile = fhADTS->profile; + aacDecInfo->sbrEnabled = 0; + aacDecInfo->adtsBlocksLeft = fhADTS->numRawDataBlocks; + aacDecInfo->frame_length = fhADTS->frameLength; + if (AACDataSource == 1) { + /* update bitstream reader */ + bitsUsed = CalcBitsUsed(&bsi, *buf, *bitOffset); + *buf += (bitsUsed + *bitOffset) >> 3; + *bitOffset = (bitsUsed + *bitOffset) & 0x07; + *bitsAvail -= bitsUsed ; + if (*bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: GetADTSChannelMapping + * + * Description: determine the number of channels from implicit mapping rules + * + * Inputs: valid AACDecInfo struct + * pointer to start of raw_data_block + * bit offset + * bits available + * + * Outputs: updated number of channels + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: calculates total number of channels using rules in 14496-3, 4.5.1.2.1 + * does not attempt to deduce speaker geometry + **************************************************************************************/ +int GetADTSChannelMapping(AACDecInfo *aacDecInfo, unsigned char *buf, int bitOffset, int bitsAvail) +{ + int ch, nChans, elementChans, err; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + nChans = 0; + do { + /* parse next syntactic element */ + err = DecodeNextElement(aacDecInfo, &buf, &bitOffset, &bitsAvail); + if (err) { + return err; + } + + elementChans = elementNumChans[aacDecInfo->currBlockID]; + nChans += elementChans; + + for (ch = 0; ch < elementChans; ch++) { + err = DecodeNoiselessData(aacDecInfo, &buf, &bitOffset, &bitsAvail, ch); + if (err) { + return err; + } + } + } while (aacDecInfo->currBlockID != AAC_ID_END); + + if (nChans <= 0) { + return ERR_AAC_CHANNEL_MAP; + } + + /* update number of channels in codec state and user-accessible info structs */ + psi->nChans = nChans; + aacDecInfo->nChans = psi->nChans; + psi->useImpChanMap = 1; + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: GetNumChannelsADIF + * + * Description: get number of channels from program config elements in an ADIF file + * + * Inputs: array of filled-in program config element structures + * number of PCE's + * + * Outputs: none + * + * Return: total number of channels in file + * -1 if error (invalid number of PCE's or unsupported mode) + **************************************************************************************/ +static int GetNumChannelsADIF(ProgConfigElement *fhPCE, int nPCE) +{ + int i, j, nChans; + + if (nPCE < 1 || nPCE > MAX_NUM_PCE_ADIF) { + return -1; + } + + nChans = 0; + for (i = 0; i < nPCE; i++) { + /* for now: only support LC, no channel coupling */ +#if 0 + if (fhPCE[i].profile != AAC_PROFILE_LC || fhPCE[i].numCCE > 0) { + return -1; + } +#endif + + /* add up number of channels in all channel elements (assume all single-channel) */ + nChans += fhPCE[i].numFCE; + nChans += fhPCE[i].numSCE; + nChans += fhPCE[i].numBCE; + nChans += fhPCE[i].numLCE; + + /* add one more for every element which is a channel pair */ + for (j = 0; j < fhPCE[i].numFCE; j++) { + if (CHAN_ELEM_IS_CPE(fhPCE[i].fce[j])) { + nChans++; + } + } + for (j = 0; j < fhPCE[i].numSCE; j++) { + if (CHAN_ELEM_IS_CPE(fhPCE[i].sce[j])) { + nChans++; + } + } + for (j = 0; j < fhPCE[i].numBCE; j++) { + if (CHAN_ELEM_IS_CPE(fhPCE[i].bce[j])) { + nChans++; + } + } + + } + + return nChans; +} + +/************************************************************************************** + * Function: GetSampleRateIdxADIF + * + * Description: get sampling rate index from program config elements in an ADIF file + * + * Inputs: array of filled-in program config element structures + * number of PCE's + * + * Outputs: none + * + * Return: sample rate of file + * -1 if error (invalid number of PCE's or sample rate mismatch) + **************************************************************************************/ +static int GetSampleRateIdxADIF(ProgConfigElement *fhPCE, int nPCE) +{ + int i, idx; + + if (nPCE < 1 || nPCE > MAX_NUM_PCE_ADIF) { + return -1; + } + + /* make sure all PCE's have the same sample rate */ + idx = fhPCE[0].sampRateIdx; + for (i = 1; i < nPCE; i++) { + if (fhPCE[i].sampRateIdx != idx) { + return -1; + } + } + + return idx; +} + +/************************************************************************************** + * Function: UnpackADIFHeader + * + * Description: parse the ADIF file header and initialize decoder state + * + * Inputs: valid AACDecInfo struct + * double pointer to buffer with complete ADIF header + * (starting at 'A' in 'ADIF' tag) + * pointer to bit offset + * pointer to number of valid bits remaining in inbuf + * + * Outputs: filled-in ADIF struct + * updated buffer pointer + * updated bit offset + * updated number of available bits + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int UnpackADIFHeader(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail) +{ + int i, bitsUsed; + PSInfoBase *psi; + BitStreamInfo bsi; + ADIFHeader *fhADIF; + ProgConfigElement *pce; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + if (AACDataSource == 1) { + /* init bitstream reader */ + SetBitstreamPointer(&bsi, (*bitsAvail + 7) >> 3, *buf); + GetBits(&bsi, *bitOffset); + } + + /* unpack ADIF file header */ + fhADIF = &(psi->fhADIF); + pce = psi->pce; + + /* verify that first 32 bits of header are "ADIF" */ + if (GetBits(&bsi, 8) != 'A' || GetBits(&bsi, 8) != 'D' || GetBits(&bsi, 8) != 'I' || GetBits(&bsi, 8) != 'F') { + return ERR_AAC_INVALID_ADIF_HEADER; + } + + /* read ADIF header fields */ + fhADIF->copyBit = GetBits(&bsi, 1); + if (fhADIF->copyBit) { + for (i = 0; i < ADIF_COPYID_SIZE; i++) { + fhADIF->copyID[i] = GetBits(&bsi, 8); + } + } + fhADIF->origCopy = GetBits(&bsi, 1); + fhADIF->home = GetBits(&bsi, 1); + fhADIF->bsType = GetBits(&bsi, 1); + fhADIF->bitRate = GetBits(&bsi, 23); + fhADIF->numPCE = GetBits(&bsi, 4) + 1; /* add 1 (so range = [1, 16]) */ + + //if (fhADIF->bsType == 0) + // fhADIF->bufferFull = GetBits(&bsi, 20); + + /* parse all program config elements */ + for (i = 0; i < fhADIF->numPCE; i++) { + if (fhADIF->bsType == 0) { + fhADIF->bufferFull = GetBits(&bsi, 20); + } else { + fhADIF->bufferFull = 0; + } + DecodeProgramConfigElement(pce + i, &bsi); + + } + + /* byte align */ + ByteAlignBitstream(&bsi); + + /* update codec info */ + psi->nChans = GetNumChannelsADIF(pce, 1/*fhADIF->numPCE*/); + psi->sampRateIdx = GetSampleRateIdxADIF(pce, fhADIF->numPCE); + + /* check validity of header */ + if (psi->nChans < 0 || psi->sampRateIdx < 0 || psi->sampRateIdx >= NUM_SAMPLE_RATES) { + return ERR_AAC_INVALID_ADIF_HEADER; + } + + /* syntactic element fields will be read from bitstream for each element */ + aacDecInfo->prevBlockID = AAC_ID_INVALID; + aacDecInfo->currBlockID = AAC_ID_INVALID; + aacDecInfo->currInstTag = -1; + + /* fill in user-accessible data */ + aacDecInfo->bitRate = fhADIF->bitRate; + aacDecInfo->nChans = psi->nChans; + aacDecInfo->sampRate = sampRateTab[psi->sampRateIdx]; + aacDecInfo->profile = pce[0].profile; + aacDecInfo->sbrEnabled = 0; + + if (AACDataSource == 1) { + /* update bitstream reader */ + bitsUsed = CalcBitsUsed(&bsi, *buf, *bitOffset); + *buf += (bitsUsed + *bitOffset) >> 3; + *bitOffset = (bitsUsed + *bitOffset) & 0x07; + *bitsAvail -= bitsUsed ; + if (*bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: SetRawBlockParams + * + * Description: set internal state variables for decoding a stream of raw data blocks + * + * Inputs: valid AACDecInfo struct + * flag indicating source of parameters (from previous headers or passed + * explicitly by caller) + * number of channels + * sample rate + * profile ID + * + * Outputs: updated state variables in aacDecInfo + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: if copyLast == 1, then psi->nChans, psi->sampRateIdx, and + * aacDecInfo->profile are not changed (it's assumed that we already + * set them, such as by a previous call to UnpackADTSHeader()) + * if copyLast == 0, then the parameters we passed in are used instead + **************************************************************************************/ +int SetRawBlockParams(AACDecInfo *aacDecInfo, int copyLast, int nChans, int sampRate, int profile) +{ + int idx; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + if (!copyLast) { + aacDecInfo->profile = profile; + psi->nChans = nChans; + for (idx = 0; idx < NUM_SAMPLE_RATES; idx++) { + if (sampRate == sampRateTab[idx]) { + psi->sampRateIdx = idx; + break; + } + } + if (idx == NUM_SAMPLE_RATES) { + return ERR_AAC_INVALID_FRAME; + } + } + aacDecInfo->nChans = psi->nChans; + aacDecInfo->sampRate = sampRateTab[psi->sampRateIdx]; + + /* check validity of header */ + if (psi->sampRateIdx >= NUM_SAMPLE_RATES || psi->sampRateIdx < 0 || aacDecInfo->profile != AAC_PROFILE_LC) { + return ERR_AAC_RAWBLOCK_PARAMS; + } + + return ERR_AAC_NONE; +} +/************************************************************************************** + * Function: PrepareRawBlock + * + * Description: reset per-block state variables for raw blocks (no ADTS/ADIF headers) + * + * Inputs: valid AACDecInfo struct + * + * Outputs: updated state variables in aacDecInfo + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int PrepareRawBlock(AACDecInfo *aacDecInfo) +{ + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + /* syntactic element fields will be read from bitstream for each element */ + aacDecInfo->prevBlockID = AAC_ID_INVALID; + aacDecInfo->currBlockID = AAC_ID_INVALID; + aacDecInfo->currInstTag = -1; + + /* fill in user-accessible data */ + aacDecInfo->bitRate = 0; + aacDecInfo->sbrEnabled = 0; + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: FlushCodec + * + * Description: flush internal codec state (after seeking, for example) + * + * Inputs: valid AACDecInfo struct + * + * Outputs: updated state variables in aacDecInfo + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: only need to clear data which is persistent between frames + * (such as overlap buffer) + **************************************************************************************/ +int FlushCodec(AACDecInfo *aacDecInfo) +{ + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + ClearBuffer(psi->overlap, AAC_MAX_NCHANS * AAC_MAX_NSAMPS * sizeof(int)); + ClearBuffer(psi->prevWinShape, AAC_MAX_NCHANS * sizeof(int)); + + return ERR_AAC_NONE; +} diff --git a/audio_codec/libfaad/helixaac/huffman_helix.c b/audio_codec/libfaad/helixaac/huffman_helix.c new file mode 100644 index 0000000..fdf310f --- a/dev/null +++ b/audio_codec/libfaad/helixaac/huffman_helix.c @@ -0,0 +1,450 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: huffman.c,v 1.2 2005/05/24 16:01:55 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * huffman.c - Huffman decoding + **************************************************************************************/ + +#include "coder.h" + +/************************************************************************************** + * Function: DecodeHuffmanScalar + * + * Description: decode one Huffman symbol from bitstream + * + * Inputs: pointers to Huffman table and info struct + * left-aligned bit buffer with >= huffTabInfo->maxBits bits + * + * Outputs: decoded symbol in *val + * + * Return: number of bits in symbol + * + * Notes: assumes canonical Huffman codes: + * first CW always 0, we have "count" CW's of length "nBits" bits + * starting CW for codes of length nBits+1 = + * (startCW[nBits] + count[nBits]) << 1 + * if there are no codes at nBits, then we just keep << 1 each time + * (since count[nBits] = 0) + **************************************************************************************/ +int DecodeHuffmanScalar(const signed short *huffTab, const HuffInfo *huffTabInfo, unsigned int bitBuf, signed int *val) +{ + unsigned int count, start, shift, t; + const unsigned char *countPtr; + const signed short *map; + + map = huffTab + huffTabInfo->offset; + countPtr = huffTabInfo->count; + + start = 0; + count = 0; + shift = 32; + do { + start += count; + start <<= 1; + map += count; + count = *countPtr++; + shift--; + t = (bitBuf >> shift) - start; + } while (t >= count); + + *val = (signed int)map[t]; + return (countPtr - huffTabInfo->count); +} + +#define APPLY_SIGN(v, s) {(v) ^= ((signed int)(s) >> 31); (v) -= ((signed int)(s) >> 31);} + +#define GET_QUAD_SIGNBITS(v) (((unsigned int)(v) << 17) >> 29) /* bits 14-12, unsigned */ +#define GET_QUAD_W(v) (((signed int)(v) << 20) >> 29) /* bits 11-9, sign-extend */ +#define GET_QUAD_X(v) (((signed int)(v) << 23) >> 29) /* bits 8-6, sign-extend */ +#define GET_QUAD_Y(v) (((signed int)(v) << 26) >> 29) /* bits 5-3, sign-extend */ +#define GET_QUAD_Z(v) (((signed int)(v) << 29) >> 29) /* bits 2-0, sign-extend */ + +#define GET_PAIR_SIGNBITS(v) (((unsigned int)(v) << 20) >> 30) /* bits 11-10, unsigned */ +#define GET_PAIR_Y(v) (((signed int)(v) << 22) >> 27) /* bits 9-5, sign-extend */ +#define GET_PAIR_Z(v) (((signed int)(v) << 27) >> 27) /* bits 4-0, sign-extend */ + +#define GET_ESC_SIGNBITS(v) (((unsigned int)(v) << 18) >> 30) /* bits 13-12, unsigned */ +#define GET_ESC_Y(v) (((signed int)(v) << 20) >> 26) /* bits 11-6, sign-extend */ +#define GET_ESC_Z(v) (((signed int)(v) << 26) >> 26) /* bits 5-0, sign-extend */ + +/************************************************************************************** + * Function: UnpackZeros + * + * Description: fill a section of coefficients with zeros + * + * Inputs: number of coefficients + * + * Outputs: nVals zeros, starting at coef + * + * Return: none + * + * Notes: assumes nVals is always a multiple of 4 because all scalefactor bands + * are a multiple of 4 coefficients long + **************************************************************************************/ +static void UnpackZeros(int nVals, int *coef) +{ + while (nVals > 0) { + *coef++ = 0; + *coef++ = 0; + *coef++ = 0; + *coef++ = 0; + nVals -= 4; + } +} + +/************************************************************************************** + * Function: UnpackQuads + * + * Description: decode a section of 4-way vector Huffman coded coefficients + * + * Inputs BitStreamInfo struct pointing to start of codewords for this section + * index of Huffman codebook + * number of coefficients + * + * Outputs: nVals coefficients, starting at coef + * + * Return: none + * + * Notes: assumes nVals is always a multiple of 4 because all scalefactor bands + * are a multiple of 4 coefficients long + **************************************************************************************/ +static void UnpackQuads(BitStreamInfo *bsi, int cb, int nVals, int *coef) +{ + int w, x, y, z, maxBits, nCodeBits, nSignBits, val; + unsigned int bitBuf; + + maxBits = huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET].maxBits + 4; + while (nVals > 0) { + /* decode quad */ + bitBuf = GetBitsNoAdvance(bsi, maxBits) << (32 - maxBits); + nCodeBits = DecodeHuffmanScalar(huffTabSpec, &huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET], bitBuf, &val); + + w = GET_QUAD_W(val); + x = GET_QUAD_X(val); + y = GET_QUAD_Y(val); + z = GET_QUAD_Z(val); + + bitBuf <<= nCodeBits; + nSignBits = (int)GET_QUAD_SIGNBITS(val); + AdvanceBitstream(bsi, nCodeBits + nSignBits); + if (nSignBits) { + if (w) { + APPLY_SIGN(w, bitBuf); + bitBuf <<= 1; + } + if (x) { + APPLY_SIGN(x, bitBuf); + bitBuf <<= 1; + } + if (y) { + APPLY_SIGN(y, bitBuf); + bitBuf <<= 1; + } + if (z) { + APPLY_SIGN(z, bitBuf); + bitBuf <<= 1; + } + } + *coef++ = w; + *coef++ = x; + *coef++ = y; + *coef++ = z; + nVals -= 4; + } +} + +/************************************************************************************** + * Function: UnpackPairsNoEsc + * + * Description: decode a section of 2-way vector Huffman coded coefficients, + * using non-esc tables (5 through 10) + * + * Inputs BitStreamInfo struct pointing to start of codewords for this section + * index of Huffman codebook (must not be the escape codebook) + * number of coefficients + * + * Outputs: nVals coefficients, starting at coef + * + * Return: none + * + * Notes: assumes nVals is always a multiple of 2 because all scalefactor bands + * are a multiple of 4 coefficients long + **************************************************************************************/ +static void UnpackPairsNoEsc(BitStreamInfo *bsi, int cb, int nVals, int *coef) +{ + int y, z, maxBits, nCodeBits, nSignBits, val; + unsigned int bitBuf; + + maxBits = huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET].maxBits + 2; + while (nVals > 0) { + /* decode pair */ + bitBuf = GetBitsNoAdvance(bsi, maxBits) << (32 - maxBits); + nCodeBits = DecodeHuffmanScalar(huffTabSpec, &huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET], bitBuf, &val); + + y = GET_PAIR_Y(val); + z = GET_PAIR_Z(val); + + bitBuf <<= nCodeBits; + nSignBits = GET_PAIR_SIGNBITS(val); + AdvanceBitstream(bsi, nCodeBits + nSignBits); + if (nSignBits) { + if (y) { + APPLY_SIGN(y, bitBuf); + bitBuf <<= 1; + } + if (z) { + APPLY_SIGN(z, bitBuf); + bitBuf <<= 1; + } + } + *coef++ = y; + *coef++ = z; + nVals -= 2; + } +} + +/************************************************************************************** + * Function: UnpackPairsEsc + * + * Description: decode a section of 2-way vector Huffman coded coefficients, + * using esc table (11) + * + * Inputs BitStreamInfo struct pointing to start of codewords for this section + * index of Huffman codebook (must be the escape codebook) + * number of coefficients + * + * Outputs: nVals coefficients, starting at coef + * + * Return: none + * + * Notes: assumes nVals is always a multiple of 2 because all scalefactor bands + * are a multiple of 4 coefficients long + **************************************************************************************/ +static void UnpackPairsEsc(BitStreamInfo *bsi, int cb, int nVals, int *coef) +{ + int y, z, maxBits, nCodeBits, nSignBits, n, val; + unsigned int bitBuf; + + maxBits = huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET].maxBits + 2; + while (nVals > 0) { + /* decode pair with escape value */ + bitBuf = GetBitsNoAdvance(bsi, maxBits) << (32 - maxBits); + nCodeBits = DecodeHuffmanScalar(huffTabSpec, &huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET], bitBuf, &val); + + y = GET_ESC_Y(val); + z = GET_ESC_Z(val); + + bitBuf <<= nCodeBits; + nSignBits = GET_ESC_SIGNBITS(val); + AdvanceBitstream(bsi, nCodeBits + nSignBits); + + if (y == 16) { + n = 4; + while (GetBits(bsi, 1) == 1) { + n++; + } + y = (1 << n) + GetBits(bsi, n); + } + if (z == 16) { + n = 4; + while (GetBits(bsi, 1) == 1) { + n++; + } + z = (1 << n) + GetBits(bsi, n); + } + + if (nSignBits) { + if (y) { + APPLY_SIGN(y, bitBuf); + bitBuf <<= 1; + } + if (z) { + APPLY_SIGN(z, bitBuf); + bitBuf <<= 1; + } + } + + *coef++ = y; + *coef++ = z; + nVals -= 2; + } +} + +/************************************************************************************** + * Function: DecodeSpectrumLong + * + * Description: decode transform coefficients for frame with one long block + * + * Inputs: platform specific info struct + * BitStreamInfo struct pointing to start of spectral data + * (14496-3, table 4.4.29) + * index of current channel + * + * Outputs: decoded, quantized coefficients for this channel + * + * Return: none + * + * Notes: adds in pulse data if present + * fills coefficient buffer with zeros in any region not coded with + * codebook in range [1, 11] (including sfb's above sfbMax) + **************************************************************************************/ +int DecodeSpectrumLong(PSInfoBase *psi, BitStreamInfo *bsi, int ch) +{ + int i, sfb, cb, nVals, offset; + const short *sfbTab; + unsigned char *sfbCodeBook; + int *coef; + ICSInfo *icsInfo; + PulseInfo *pi; + + coef = psi->coef[ch]; + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + /* decode long block */ + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + sfbCodeBook = psi->sfbCodeBook[ch]; + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + cb = *sfbCodeBook++; + nVals = sfbTab[sfb + 1] - sfbTab[sfb]; + + if (cb == 0) { + UnpackZeros(nVals, coef); + } else if (cb <= 4) { + UnpackQuads(bsi, cb, nVals, coef); + } else if (cb <= 10) { + UnpackPairsNoEsc(bsi, cb, nVals, coef); + } else if (cb == 11) { + UnpackPairsEsc(bsi, cb, nVals, coef); + } else { + UnpackZeros(nVals, coef); + } + + coef += nVals; + } + + /* fill with zeros above maxSFB */ + nVals = NSAMPS_LONG - sfbTab[sfb]; + UnpackZeros(nVals, coef); + + /* add pulse data, if present */ + pi = &psi->pulseInfo[ch]; + if (pi->pulseDataPresent) { + coef = psi->coef[ch]; + offset = sfbTab[pi->startSFB]; + for (i = 0; i < pi->numPulse; i++) { + offset += pi->offset[i]; + if (coef[offset] > 0) { + coef[offset] += pi->amp[i]; + } else { + coef[offset] -= pi->amp[i]; + } + } + ASSERT(offset < NSAMPS_LONG, ERR_AAC_HUFFMAN_DECODING); + } + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: DecodeSpectrumShort + * + * Description: decode transform coefficients for frame with eight short blocks + * + * Inputs: platform specific info struct + * BitStreamInfo struct pointing to start of spectral data + * (14496-3, table 4.4.29) + * index of current channel + * + * Outputs: decoded, quantized coefficients for this channel + * + * Return: none + * + * Notes: fills coefficient buffer with zeros in any region not coded with + * codebook in range [1, 11] (including sfb's above sfbMax) + * deinterleaves window groups into 8 windows + **************************************************************************************/ +int DecodeSpectrumShort(PSInfoBase *psi, BitStreamInfo *bsi, int ch) +{ + int gp, cb, nVals = 0, win, offset, sfb; + const short *sfbTab; + unsigned char *sfbCodeBook; + int *coef; + ICSInfo *icsInfo; + coef = psi->coef[ch]; + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + /* decode short blocks, deinterleaving in-place */ + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + sfbCodeBook = psi->sfbCodeBook[ch]; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + nVals = sfbTab[sfb + 1] - sfbTab[sfb]; + cb = *sfbCodeBook++; + + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + offset = win * NSAMPS_SHORT; + if (cb == 0) { + UnpackZeros(nVals, coef + offset); + } else if (cb <= 4) { + UnpackQuads(bsi, cb, nVals, coef + offset); + } else if (cb <= 10) { + UnpackPairsNoEsc(bsi, cb, nVals, coef + offset); + } else if (cb == 11) { + UnpackPairsEsc(bsi, cb, nVals, coef + offset); + } else { + UnpackZeros(nVals, coef + offset); + } + } + coef += nVals; + } + + /* fill with zeros above maxSFB */ + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + offset = win * NSAMPS_SHORT; + nVals = NSAMPS_SHORT - sfbTab[sfb]; + UnpackZeros(nVals, coef + offset); + } + coef += nVals; + coef += (icsInfo->winGroupLen[gp] - 1) * NSAMPS_SHORT; + } + + ASSERT(coef == psi->coef[ch] + NSAMPS_LONG, ERR_AAC_COFF_EXCEED_RANGE); + return ERR_AAC_NONE; +} diff --git a/audio_codec/libfaad/helixaac/hufftabs.c b/audio_codec/libfaad/helixaac/hufftabs.c new file mode 100644 index 0000000..e153a61 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/hufftabs.c @@ -0,0 +1,177 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: hufftabs.c,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * hufftabs.c - Huffman symbol tables + **************************************************************************************/ + +#include "coder.h" + +const HuffInfo huffTabSpecInfo[11] = { + /* table 0 not used */ + {11, { 1, 0, 0, 0, 8, 0, 24, 0, 24, 8, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, + { 9, { 0, 0, 1, 1, 7, 24, 15, 19, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 81}, + {16, { 1, 0, 0, 4, 2, 6, 3, 5, 15, 15, 8, 9, 3, 3, 5, 2, 0, 0, 0, 0}, 162}, + {12, { 0, 0, 0, 10, 6, 0, 9, 21, 8, 14, 11, 2, 0, 0, 0, 0, 0, 0, 0, 0}, 243}, + {13, { 1, 0, 0, 4, 4, 0, 4, 12, 12, 12, 18, 10, 4, 0, 0, 0, 0, 0, 0, 0}, 324}, + {11, { 0, 0, 0, 9, 0, 16, 13, 8, 23, 8, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 405}, + {12, { 1, 0, 2, 1, 0, 4, 5, 10, 14, 15, 8, 4, 0, 0, 0, 0, 0, 0, 0, 0}, 486}, + {10, { 0, 0, 1, 5, 7, 10, 14, 15, 8, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 550}, + {15, { 1, 0, 2, 1, 0, 4, 3, 8, 11, 20, 31, 38, 32, 14, 4, 0, 0, 0, 0, 0}, 614}, + {12, { 0, 0, 0, 3, 8, 14, 17, 25, 31, 41, 22, 8, 0, 0, 0, 0, 0, 0, 0, 0}, 783}, + {12, { 0, 0, 0, 2, 6, 7, 16, 59, 55, 95, 43, 6, 0, 0, 0, 0, 0, 0, 0, 0}, 952}, +}; + +const signed short huffTabSpec[1241] = { + /* spectrum table 1 [81] (signed) */ + 0x0000, 0x0200, 0x0e00, 0x0007, 0x0040, 0x0001, 0x0038, 0x0008, 0x01c0, 0x03c0, 0x0e40, 0x0039, 0x0078, 0x01c8, 0x000f, 0x0240, + 0x003f, 0x0fc0, 0x01f8, 0x0238, 0x0047, 0x0e08, 0x0009, 0x0208, 0x01c1, 0x0048, 0x0041, 0x0e38, 0x0201, 0x0e07, 0x0207, 0x0e01, + 0x01c7, 0x0278, 0x0e78, 0x03c8, 0x004f, 0x0079, 0x01c9, 0x01cf, 0x03f8, 0x0239, 0x007f, 0x0e48, 0x0e0f, 0x0fc8, 0x01f9, 0x03c1, + 0x03c7, 0x0e47, 0x0ff8, 0x01ff, 0x0049, 0x020f, 0x0241, 0x0e41, 0x0248, 0x0fc1, 0x0e3f, 0x0247, 0x023f, 0x0e39, 0x0fc7, 0x0e09, + 0x0209, 0x03cf, 0x0e79, 0x0e4f, 0x03f9, 0x0249, 0x0fc9, 0x027f, 0x0fcf, 0x0fff, 0x0279, 0x03c9, 0x0e49, 0x0e7f, 0x0ff9, 0x03ff, + 0x024f, + /* spectrum table 2 [81] (signed) */ + 0x0000, 0x0200, 0x0e00, 0x0001, 0x0038, 0x0007, 0x01c0, 0x0008, 0x0040, 0x01c8, 0x0e40, 0x0078, 0x000f, 0x0047, 0x0039, 0x0e07, + 0x03c0, 0x0238, 0x0fc0, 0x003f, 0x0208, 0x0201, 0x01c1, 0x0e08, 0x0041, 0x01f8, 0x0e01, 0x01c7, 0x0e38, 0x0240, 0x0048, 0x0009, + 0x0207, 0x0079, 0x0239, 0x0e78, 0x01cf, 0x03c8, 0x0247, 0x0209, 0x0e48, 0x01f9, 0x0248, 0x0e0f, 0x0ff8, 0x0e39, 0x03f8, 0x0278, + 0x03c1, 0x0e47, 0x0fc8, 0x0e09, 0x0fc1, 0x0fc7, 0x01ff, 0x020f, 0x023f, 0x007f, 0x0049, 0x0e41, 0x0e3f, 0x004f, 0x03c7, 0x01c9, + 0x0241, 0x03cf, 0x0e79, 0x03f9, 0x0fff, 0x0e4f, 0x0e49, 0x0249, 0x0fcf, 0x03c9, 0x0e7f, 0x0fc9, 0x027f, 0x03ff, 0x0ff9, 0x0279, + 0x024f, + /* spectrum table 3 [81] (unsigned) */ + 0x0000, 0x1200, 0x1001, 0x1040, 0x1008, 0x2240, 0x2009, 0x2048, 0x2041, 0x2208, 0x3049, 0x2201, 0x3248, 0x4249, 0x3209, 0x3241, + 0x1400, 0x1002, 0x200a, 0x2440, 0x3288, 0x2011, 0x3051, 0x2280, 0x304a, 0x3448, 0x1010, 0x2088, 0x2050, 0x1080, 0x2042, 0x2408, + 0x4289, 0x3089, 0x3250, 0x4251, 0x3281, 0x2210, 0x3211, 0x2081, 0x4449, 0x424a, 0x3441, 0x320a, 0x2012, 0x3052, 0x3488, 0x3290, + 0x2202, 0x2401, 0x3091, 0x2480, 0x4291, 0x3242, 0x3409, 0x4252, 0x4489, 0x2090, 0x308a, 0x3212, 0x3481, 0x3450, 0x3490, 0x3092, + 0x4491, 0x4451, 0x428a, 0x4292, 0x2082, 0x2410, 0x3282, 0x3411, 0x444a, 0x3442, 0x4492, 0x448a, 0x4452, 0x340a, 0x2402, 0x3482, + 0x3412, + /* spectrum table 4 [81] (unsigned) */ + 0x4249, 0x3049, 0x3241, 0x3248, 0x3209, 0x1200, 0x2240, 0x0000, 0x2009, 0x2208, 0x2201, 0x2048, 0x1001, 0x2041, 0x1008, 0x1040, + 0x4449, 0x4251, 0x4289, 0x424a, 0x3448, 0x3441, 0x3288, 0x3409, 0x3051, 0x304a, 0x3250, 0x3089, 0x320a, 0x3281, 0x3242, 0x3211, + 0x2440, 0x2408, 0x2280, 0x2401, 0x2042, 0x2088, 0x200a, 0x2050, 0x2081, 0x2202, 0x2011, 0x2210, 0x1400, 0x1002, 0x1080, 0x1010, + 0x4291, 0x4489, 0x4451, 0x4252, 0x428a, 0x444a, 0x3290, 0x3488, 0x3450, 0x3091, 0x3052, 0x3481, 0x308a, 0x3411, 0x3212, 0x4491, + 0x3282, 0x340a, 0x3442, 0x4292, 0x4452, 0x448a, 0x2090, 0x2480, 0x2012, 0x2410, 0x2082, 0x2402, 0x4492, 0x3092, 0x3490, 0x3482, + 0x3412, + /* spectrum table 5 [81] (signed) */ + 0x0000, 0x03e0, 0x0020, 0x0001, 0x001f, 0x003f, 0x03e1, 0x03ff, 0x0021, 0x03c0, 0x0002, 0x0040, 0x001e, 0x03df, 0x0041, 0x03fe, + 0x0022, 0x03c1, 0x005f, 0x03e2, 0x003e, 0x03a0, 0x0060, 0x001d, 0x0003, 0x03bf, 0x0023, 0x0061, 0x03fd, 0x03a1, 0x007f, 0x003d, + 0x03e3, 0x03c2, 0x0042, 0x03de, 0x005e, 0x03be, 0x007e, 0x03c3, 0x005d, 0x0062, 0x0043, 0x03a2, 0x03dd, 0x001c, 0x0380, 0x0081, + 0x0080, 0x039f, 0x0004, 0x009f, 0x03fc, 0x0024, 0x03e4, 0x0381, 0x003c, 0x007d, 0x03bd, 0x03a3, 0x03c4, 0x039e, 0x0082, 0x005c, + 0x0044, 0x0063, 0x0382, 0x03dc, 0x009e, 0x007c, 0x039d, 0x0383, 0x0064, 0x03a4, 0x0083, 0x009d, 0x03bc, 0x009c, 0x0384, 0x0084, + 0x039c, + /* spectrum table 6 [81] (signed) */ + 0x0000, 0x0020, 0x001f, 0x0001, 0x03e0, 0x0021, 0x03e1, 0x003f, 0x03ff, 0x005f, 0x0041, 0x03c1, 0x03df, 0x03c0, 0x03e2, 0x0040, + 0x003e, 0x0022, 0x001e, 0x03fe, 0x0002, 0x005e, 0x03c2, 0x03de, 0x0042, 0x03a1, 0x0061, 0x007f, 0x03e3, 0x03bf, 0x0023, 0x003d, + 0x03fd, 0x0060, 0x03a0, 0x001d, 0x0003, 0x0062, 0x03be, 0x03c3, 0x0043, 0x007e, 0x005d, 0x03dd, 0x03a2, 0x0063, 0x007d, 0x03bd, + 0x03a3, 0x003c, 0x03fc, 0x0081, 0x0381, 0x039f, 0x0024, 0x009f, 0x03e4, 0x001c, 0x0382, 0x039e, 0x0044, 0x03dc, 0x0380, 0x0082, + 0x009e, 0x03c4, 0x0080, 0x005c, 0x0004, 0x03bc, 0x03a4, 0x007c, 0x009d, 0x0064, 0x0083, 0x0383, 0x039d, 0x0084, 0x0384, 0x039c, + 0x009c, + /* spectrum table 7 [64] (unsigned) */ + 0x0000, 0x0420, 0x0401, 0x0821, 0x0841, 0x0822, 0x0440, 0x0402, 0x0861, 0x0823, 0x0842, 0x0460, 0x0403, 0x0843, 0x0862, 0x0824, + 0x0881, 0x0825, 0x08a1, 0x0863, 0x0844, 0x0404, 0x0480, 0x0882, 0x0845, 0x08a2, 0x0405, 0x08c1, 0x04a0, 0x0826, 0x0883, 0x0865, + 0x0864, 0x08a3, 0x0846, 0x08c2, 0x0827, 0x0866, 0x0406, 0x04c0, 0x0884, 0x08e1, 0x0885, 0x08e2, 0x08a4, 0x08c3, 0x0847, 0x08e3, + 0x08c4, 0x08a5, 0x0886, 0x0867, 0x04e0, 0x0407, 0x08c5, 0x08a6, 0x08e4, 0x0887, 0x08a7, 0x08e5, 0x08e6, 0x08c6, 0x08c7, 0x08e7, + /* spectrum table 8 [64] (unsigned) */ + 0x0821, 0x0841, 0x0420, 0x0822, 0x0401, 0x0842, 0x0000, 0x0440, 0x0402, 0x0861, 0x0823, 0x0862, 0x0843, 0x0863, 0x0881, 0x0824, + 0x0882, 0x0844, 0x0460, 0x0403, 0x0883, 0x0864, 0x08a2, 0x08a1, 0x0845, 0x0825, 0x08a3, 0x0865, 0x0884, 0x08a4, 0x0404, 0x0885, + 0x0480, 0x0846, 0x08c2, 0x08c1, 0x0826, 0x0866, 0x08c3, 0x08a5, 0x04a0, 0x08c4, 0x0405, 0x0886, 0x08e1, 0x08e2, 0x0847, 0x08c5, + 0x08e3, 0x0827, 0x08a6, 0x0867, 0x08c6, 0x08e4, 0x04c0, 0x0887, 0x0406, 0x08e5, 0x08e6, 0x08c7, 0x08a7, 0x04e0, 0x0407, 0x08e7, + /* spectrum table 9 [169] (unsigned) */ + 0x0000, 0x0420, 0x0401, 0x0821, 0x0841, 0x0822, 0x0440, 0x0402, 0x0861, 0x0842, 0x0823, 0x0460, 0x0403, 0x0843, 0x0862, 0x0824, + 0x0881, 0x0844, 0x0825, 0x0882, 0x0863, 0x0404, 0x0480, 0x08a1, 0x0845, 0x0826, 0x0864, 0x08a2, 0x08c1, 0x0883, 0x0405, 0x0846, + 0x04a0, 0x0827, 0x0865, 0x0828, 0x0901, 0x0884, 0x08a3, 0x08c2, 0x08e1, 0x0406, 0x0902, 0x0848, 0x0866, 0x0847, 0x0885, 0x0921, + 0x0829, 0x08e2, 0x04c0, 0x08a4, 0x08c3, 0x0903, 0x0407, 0x0922, 0x0868, 0x0886, 0x0867, 0x0408, 0x0941, 0x08c4, 0x0849, 0x08a5, + 0x0500, 0x04e0, 0x08e3, 0x0942, 0x0923, 0x0904, 0x082a, 0x08e4, 0x08c5, 0x08a6, 0x0888, 0x0887, 0x0869, 0x0961, 0x08a8, 0x0520, + 0x0905, 0x0943, 0x084a, 0x0409, 0x0962, 0x0924, 0x08c6, 0x0981, 0x0889, 0x0906, 0x082b, 0x0925, 0x0944, 0x08a7, 0x08e5, 0x084b, + 0x082c, 0x0982, 0x0963, 0x086a, 0x08a9, 0x08c7, 0x0907, 0x0964, 0x040a, 0x08e6, 0x0983, 0x0540, 0x0945, 0x088a, 0x08c8, 0x084c, + 0x0926, 0x0927, 0x088b, 0x0560, 0x08c9, 0x086b, 0x08aa, 0x0908, 0x08e8, 0x0985, 0x086c, 0x0965, 0x08e7, 0x0984, 0x0966, 0x0946, + 0x088c, 0x08e9, 0x08ab, 0x040b, 0x0986, 0x08ca, 0x0580, 0x0947, 0x08ac, 0x08ea, 0x0928, 0x040c, 0x0967, 0x0909, 0x0929, 0x0948, + 0x08eb, 0x0987, 0x08cb, 0x090b, 0x0968, 0x08ec, 0x08cc, 0x090a, 0x0949, 0x090c, 0x092a, 0x092b, 0x092c, 0x094b, 0x0989, 0x094a, + 0x0969, 0x0988, 0x096a, 0x098a, 0x098b, 0x094c, 0x096b, 0x096c, 0x098c, + /* spectrum table 10 [169] (unsigned) */ + 0x0821, 0x0822, 0x0841, 0x0842, 0x0420, 0x0401, 0x0823, 0x0862, 0x0861, 0x0843, 0x0863, 0x0440, 0x0402, 0x0844, 0x0882, 0x0824, + 0x0881, 0x0000, 0x0883, 0x0864, 0x0460, 0x0403, 0x0884, 0x0845, 0x08a2, 0x0825, 0x08a1, 0x08a3, 0x0865, 0x08a4, 0x0885, 0x08c2, + 0x0846, 0x08c3, 0x0480, 0x08c1, 0x0404, 0x0826, 0x0866, 0x08a5, 0x08c4, 0x0886, 0x08c5, 0x08e2, 0x0867, 0x0847, 0x08a6, 0x0902, + 0x08e3, 0x04a0, 0x08e1, 0x0405, 0x0901, 0x0827, 0x0903, 0x08e4, 0x0887, 0x0848, 0x08c6, 0x08e5, 0x0828, 0x0868, 0x0904, 0x0888, + 0x08a7, 0x0905, 0x08a8, 0x08e6, 0x08c7, 0x0922, 0x04c0, 0x08c8, 0x0923, 0x0869, 0x0921, 0x0849, 0x0406, 0x0906, 0x0924, 0x0889, + 0x0942, 0x0829, 0x08e7, 0x0907, 0x0925, 0x08e8, 0x0943, 0x08a9, 0x0944, 0x084a, 0x0941, 0x086a, 0x0926, 0x08c9, 0x0500, 0x088a, + 0x04e0, 0x0962, 0x08e9, 0x0963, 0x0946, 0x082a, 0x0961, 0x0927, 0x0407, 0x0908, 0x0945, 0x086b, 0x08aa, 0x0909, 0x0965, 0x0408, + 0x0964, 0x084b, 0x08ea, 0x08ca, 0x0947, 0x088b, 0x082b, 0x0982, 0x0928, 0x0983, 0x0966, 0x08ab, 0x0984, 0x0967, 0x0985, 0x086c, + 0x08cb, 0x0520, 0x0948, 0x0540, 0x0981, 0x0409, 0x088c, 0x0929, 0x0986, 0x084c, 0x090a, 0x092a, 0x082c, 0x0968, 0x0987, 0x08eb, + 0x08ac, 0x08cc, 0x0949, 0x090b, 0x0988, 0x040a, 0x08ec, 0x0560, 0x094a, 0x0969, 0x096a, 0x040b, 0x096b, 0x092b, 0x094b, 0x0580, + 0x090c, 0x0989, 0x094c, 0x092c, 0x096c, 0x098b, 0x040c, 0x098a, 0x098c, + /* spectrum table 11 [289] (unsigned) */ + 0x0000, 0x2041, 0x2410, 0x1040, 0x1001, 0x2081, 0x2042, 0x2082, 0x2043, 0x20c1, 0x20c2, 0x1080, 0x2083, 0x1002, 0x20c3, 0x2101, + 0x2044, 0x2102, 0x2084, 0x2103, 0x20c4, 0x10c0, 0x1003, 0x2141, 0x2142, 0x2085, 0x2104, 0x2045, 0x2143, 0x20c5, 0x2144, 0x2105, + 0x2182, 0x2086, 0x2181, 0x2183, 0x20c6, 0x2046, 0x2110, 0x20d0, 0x2405, 0x2403, 0x2404, 0x2184, 0x2406, 0x1100, 0x2106, 0x1004, + 0x2090, 0x2145, 0x2150, 0x2407, 0x2402, 0x2408, 0x2087, 0x21c2, 0x20c7, 0x2185, 0x2146, 0x2190, 0x240a, 0x21c3, 0x21c1, 0x2409, + 0x21d0, 0x2050, 0x2047, 0x2107, 0x240b, 0x21c4, 0x240c, 0x2210, 0x2401, 0x2186, 0x2250, 0x2088, 0x2147, 0x2290, 0x240d, 0x2203, + 0x2202, 0x20c8, 0x1140, 0x240e, 0x22d0, 0x21c5, 0x2108, 0x2187, 0x21c6, 0x1005, 0x2204, 0x240f, 0x2310, 0x2048, 0x2201, 0x2390, + 0x2148, 0x2350, 0x20c9, 0x2205, 0x21c7, 0x2089, 0x2206, 0x2242, 0x2243, 0x23d0, 0x2109, 0x2188, 0x1180, 0x2244, 0x2149, 0x2207, + 0x21c8, 0x2049, 0x2283, 0x1006, 0x2282, 0x2241, 0x2245, 0x210a, 0x208a, 0x2246, 0x20ca, 0x2189, 0x2284, 0x2208, 0x2285, 0x2247, + 0x22c3, 0x204a, 0x11c0, 0x2286, 0x21c9, 0x20cb, 0x214a, 0x2281, 0x210b, 0x22c2, 0x2342, 0x218a, 0x2343, 0x208b, 0x1400, 0x214b, + 0x22c5, 0x22c4, 0x2248, 0x21ca, 0x2209, 0x1010, 0x210d, 0x1007, 0x20cd, 0x22c6, 0x2341, 0x2344, 0x2303, 0x208d, 0x2345, 0x220a, + 0x218b, 0x2288, 0x2287, 0x2382, 0x2304, 0x204b, 0x210c, 0x22c1, 0x20cc, 0x204d, 0x2302, 0x21cb, 0x20ce, 0x214c, 0x214d, 0x2384, + 0x210e, 0x22c7, 0x2383, 0x2305, 0x2346, 0x2306, 0x1200, 0x22c8, 0x208c, 0x2249, 0x2385, 0x218d, 0x228a, 0x23c2, 0x220b, 0x224a, + 0x2386, 0x2289, 0x214e, 0x22c9, 0x2381, 0x208e, 0x218c, 0x204c, 0x2348, 0x1008, 0x2347, 0x21cc, 0x2307, 0x21cd, 0x23c3, 0x2301, + 0x218e, 0x208f, 0x23c5, 0x23c4, 0x204e, 0x224b, 0x210f, 0x2387, 0x220d, 0x2349, 0x220c, 0x214f, 0x20cf, 0x228b, 0x22ca, 0x2308, + 0x23c6, 0x23c7, 0x220e, 0x23c1, 0x21ce, 0x1240, 0x1009, 0x224d, 0x224c, 0x2309, 0x2388, 0x228d, 0x2389, 0x230a, 0x218f, 0x21cf, + 0x224e, 0x23c8, 0x22cb, 0x22ce, 0x204f, 0x228c, 0x228e, 0x234b, 0x234a, 0x22cd, 0x22cc, 0x220f, 0x238b, 0x234c, 0x230d, 0x23c9, + 0x238a, 0x1280, 0x230b, 0x224f, 0x100a, 0x230c, 0x12c0, 0x230e, 0x228f, 0x234d, 0x100d, 0x238c, 0x23ca, 0x23cb, 0x22cf, 0x238d, + 0x1340, 0x100b, 0x234e, 0x23cc, 0x23cd, 0x230f, 0x1380, 0x238e, 0x234f, 0x1300, 0x238f, 0x100e, 0x100c, 0x23ce, 0x13c0, 0x100f, + 0x23cf, +}; + +const HuffInfo huffTabScaleFactInfo = +{19, { 1, 0, 1, 3, 2, 4, 3, 5, 4, 6, 6, 6, 5, 8, 4, 7, 3, 7, 46, 0}, 0}; + +/* note - includes offset of -60 (4.6.2.3 in spec) */ +const signed short huffTabScaleFact[121] = { + /* scale factor table [121] */ + 0, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, 6, -6, 7, -7, 8, + -8, 9, -9, 10, -10, -11, 11, 12, -12, 13, -13, 14, -14, 16, 15, 17, + 18, -15, -17, -16, 19, -18, -19, 20, -20, 21, -21, 22, -22, 23, -23, -25, + 25, -27, -24, -26, 24, -28, 27, 29, -30, -29, 26, -31, -34, -33, -32, -36, + 28, -35, -38, -37, 30, -39, -41, -57, -59, -58, -60, 38, 39, 40, 41, 42, + 57, 37, 31, 32, 33, 34, 35, 36, 44, 51, 52, 53, 54, 55, 56, 50, + 45, 46, 47, 48, 49, 58, -54, -52, -51, -50, -55, 43, 60, 59, -56, -53, + -45, -44, -42, -40, -43, -49, -48, -46, -47, +}; + diff --git a/audio_codec/libfaad/helixaac/imdct.c b/audio_codec/libfaad/helixaac/imdct.c new file mode 100644 index 0000000..1a20f28 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/imdct.c @@ -0,0 +1,596 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: imdct.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * imdct.c - inverse MDCT + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" +#include "aacdec.h" + +#define RND_VAL (1 << (FBITS_OUT_IMDCT-1)) + +#ifndef AAC_ENABLE_SBR + +/************************************************************************************** + * Function: DecWindowOverlap + * + * Description: apply synthesis window, do overlap-add, clip to 16-bit PCM, + * for winSequence LONG-LONG + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * number of channels + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 16-bit PCM, interleaved by nChans + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + * this should fit in registers on ARM + * + * TODO: ARM5E version with saturating overlap/add (QADD) + * asm code with free pointer updates, better load scheduling + **************************************************************************************/ +static void DecWindowOverlap(int *buf0, int *over0, short *pcm0, int nChans, int winTypeCurr, int winTypePrev) +{ + int in, w0, w1, f0, f1; + int *buf1, *over1; + short *pcm1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + pcm1 = pcm0 + (1024 - 1) * nChans; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + if (winTypeCurr == winTypePrev) { + /* cut window loads in half since current and overlap sections use same symmetric window */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } else { + /* different windows for current and overlap parts - should still fit in registers on ARM w/o stack spill */ + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } +} + +/************************************************************************************** + * Function: DecWindowOverlapLongStart + * + * Description: apply synthesis window, do overlap-add, clip to 16-bit PCM, + * for winSequence LONG-START + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * number of channels + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 16-bit PCM, interleaved by nChans + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + * this should fit in registers on ARM + * + * TODO: ARM5E version with saturating overlap/add (QADD) + * asm code with free pointer updates, better load scheduling + **************************************************************************************/ +static void DecWindowOverlapLongStart(int *buf0, int *over0, short *pcm0, int nChans, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1; + short *pcm1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + pcm1 = pcm0 + (1024 - 1) * nChans; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + i = 448; /* 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + in = *buf1--; + + *over1-- = 0; /* Wn = 0 for n = (2047, 2046, ... 1600) */ + *over0++ = in >> 1; /* Wn = 1 for n = (1024, 1025, ... 1471) */ + } while (--i); + + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + + /* do 64 more loops - 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; /* W[0], W[1], ... --> W[255], W[254], ... */ + w1 = *wndCurr++; /* W[127], W[126], ... --> W[128], W[129], ... */ + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); /* Wn = short window for n = (1599, 1598, ... , 1536) */ + *over0++ = MULSHIFT32(w1, in); /* Wn = short window for n = (1472, 1473, ... , 1535) */ + } while (over0 < over1); +} + +/************************************************************************************** + * Function: DecWindowOverlapLongStop + * + * Description: apply synthesis window, do overlap-add, clip to 16-bit PCM, + * for winSequence LONG-STOP + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * number of channels + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 16-bit PCM, interleaved by nChans + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + * this should fit in registers on ARM + * + * TODO: ARM5E version with saturating overlap/add (QADD) + * asm code with free pointer updates, better load scheduling + **************************************************************************************/ +static void DecWindowOverlapLongStop(int *buf0, int *over0, short *pcm0, int nChans, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1; + short *pcm1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + pcm1 = pcm0 + (1024 - 1) * nChans; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + + i = 448; /* 2 outputs, 2 overlaps per loop */ + do { + /* Wn = 0 for n = (0, 1, ... 447) */ + /* Wn = 1 for n = (576, 577, ... 1023) */ + in = *buf0++; + f1 = in >> 1; /* scale since skipping multiply by Q31 */ + + in = *over0; + *pcm0 = CLIPTOSHORT((in + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (--i); + + /* do 64 more loops - 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; /* W[0], W[1], ...W[63] */ + w1 = *wndPrev++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); +} + +/************************************************************************************** + * Function: DecWindowOverlapShort + * + * Description: apply synthesis window, do overlap-add, clip to 16-bit PCM, + * for winSequence EIGHT-SHORT (does all 8 short blocks) + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * number of channels + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 16-bit PCM, interleaved by nChans + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + * this should fit in registers on ARM + * + * TODO: ARM5E version with saturating overlap/add (QADD) + * asm code with free pointer updates, better load scheduling + **************************************************************************************/ +static void DecWindowOverlapShort(int *buf0, int *over0, short *pcm0, int nChans, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1; + short *pcm1; + const int *wndPrev, *wndCurr; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + + /* pcm[0-447] = 0 + overlap[0-447] */ + i = 448; + do { + f0 = *over0++; + f1 = *over0++; + *pcm0 = CLIPTOSHORT((f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + *pcm0 = CLIPTOSHORT((f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + i -= 2; + } while (i); + + /* pcm[448-575] = Wp[0-127] * block0[0-127] + overlap[448-575] */ + pcm1 = pcm0 + (128 - 1) * nChans; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + do { + w0 = *wndPrev++; /* W[0], W[1], ...W[63] */ + w1 = *wndPrev++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + /* save over0/over1 for next short block, in the slots just vacated */ + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + + /* pcm[576-703] = Wc[128-255] * block0[128-255] + Wc[0-127] * block1[0-127] + overlap[576-703] + * pcm[704-831] = Wc[128-255] * block1[128-255] + Wc[0-127] * block2[0-127] + overlap[704-831] + * pcm[832-959] = Wc[128-255] * block2[128-255] + Wc[0-127] * block3[0-127] + overlap[832-959] + */ + for (i = 0; i < 3; i++) { + pcm0 += 64 * nChans; + pcm1 = pcm0 + (128 - 1) * nChans; + over0 += 64; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *(over0 - 128); /* from last short block */ + in += *(over0 + 0); /* from last full frame */ + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *(over1 - 128); /* from last short block */ + in += *(over1 + 0); /* from last full frame */ + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + /* save over0/over1 for next short block, in the slots just vacated */ + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } + + /* pcm[960-1023] = Wc[128-191] * block3[128-191] + Wc[0-63] * block4[0-63] + overlap[960-1023] + * over[0-63] = Wc[192-255] * block3[192-255] + Wc[64-127] * block4[64-127] + */ + pcm0 += 64 * nChans; + over0 -= 832; /* points at overlap[64] */ + over1 = over0 + 128 - 1; /* points at overlap[191] */ + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *(over0 + 768); /* from last short block */ + in += *(over0 + 896); /* from last full frame */ + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *(over1 + 768); /* from last short block */ + *(over1 - 128) = in + f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); /* save in overlap[128-191] */ + *over0++ = MULSHIFT32(w1, in); /* save in overlap[64-127] */ + } while (over0 < over1); + + /* over0 now points at overlap[128] */ + + /* over[64-191] = Wc[128-255] * block4[128-255] + Wc[0-127] * block5[0-127] + * over[192-319] = Wc[128-255] * block5[128-255] + Wc[0-127] * block6[0-127] + * over[320-447] = Wc[128-255] * block6[128-255] + Wc[0-127] * block7[0-127] + * over[448-576] = Wc[128-255] * block7[128-255] + */ + for (i = 0; i < 3; i++) { + over0 += 64; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + /* from last short block */ + *(over0 - 128) -= f0; + *(over1 - 128) += f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } + + /* over[576-1024] = 0 */ + i = 448; + over0 += 64; + do { + *over0++ = 0; + *over0++ = 0; + *over0++ = 0; + *over0++ = 0; + i -= 4; + } while (i); +} + +#endif /* !AAC_ENABLE_SBR */ + +/************************************************************************************** + * Function: IMDCT + * + * Description: inverse transform and convert to 16-bit PCM + * + * Inputs: valid AACDecInfo struct + * index of current channel (0 for SCE/LFE, 0 or 1 for CPE) + * output channel (range = [0, nChans-1]) + * + * Outputs: complete frame of decoded PCM, after inverse transform + * + * Return: 0 if successful, -1 if error + * + * Notes: If AAC_ENABLE_SBR is defined at compile time then window + overlap + * does NOT clip to 16-bit PCM and does NOT interleave channels + * If AAC_ENABLE_SBR is NOT defined at compile time, then window + overlap + * does clip to 16-bit PCM and interleaves channels + * If SBR is enabled at compile time, but we don't know whether it is + * actually used for this frame (e.g. the first frame of a stream), + * we need to produce both clipped 16-bit PCM in outbuf AND + * unclipped 32-bit PCM in the SBR input buffer. In this case we make + * a separate pass over the 32-bit PCM to produce 16-bit PCM output. + * This inflicts a slight performance hit when decoding non-SBR files. + **************************************************************************************/ +int IMDCT(AACDecInfo *aacDecInfo, int ch, int chOut, short *outbuf) +{ + int i; + PSInfoBase *psi; + ICSInfo *icsInfo; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + outbuf += chOut; + + /* optimized type-IV DCT (operates inplace) */ + if (icsInfo->winSequence == 2) { + /* 8 short blocks */ + for (i = 0; i < 8; i++) { + DCT4(0, psi->coef[ch] + i * 128, psi->gbCurrent[ch]); + } + } else { + /* 1 long block */ + DCT4(1, psi->coef[ch], psi->gbCurrent[ch]); + } + +#ifdef AAC_ENABLE_SBR + /* window, overlap-add, don't clip to short (send to SBR decoder) + * store the decoded 32-bit samples in top half (second AAC_MAX_NSAMPS samples) of coef buffer + */ + if (icsInfo->winSequence == 0) { + DecWindowOverlapNoClip(psi->coef[ch], psi->overlap[chOut], psi->sbrWorkBuf[ch], icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 1) { + DecWindowOverlapLongStartNoClip(psi->coef[ch], psi->overlap[chOut], psi->sbrWorkBuf[ch], icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 2) { + DecWindowOverlapShortNoClip(psi->coef[ch], psi->overlap[chOut], psi->sbrWorkBuf[ch], icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 3) { + DecWindowOverlapLongStopNoClip(psi->coef[ch], psi->overlap[chOut], psi->sbrWorkBuf[ch], icsInfo->winShape, psi->prevWinShape[chOut]); + } + + if (!aacDecInfo->sbrEnabled) { + for (i = 0; i < AAC_MAX_NSAMPS; i++) { + *outbuf = CLIPTOSHORT((psi->sbrWorkBuf[ch][i] + RND_VAL) >> FBITS_OUT_IMDCT); + outbuf += aacDecInfo->nChans; + } + } + + aacDecInfo->rawSampleBuf[ch] = psi->sbrWorkBuf[ch]; + aacDecInfo->rawSampleBytes = sizeof(int); + aacDecInfo->rawSampleFBits = FBITS_OUT_IMDCT; +#else + /* window, overlap-add, round to PCM - optimized for each window sequence */ + if (icsInfo->winSequence == 0) { + DecWindowOverlap(psi->coef[ch], psi->overlap[chOut], outbuf, aacDecInfo->nChans, icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 1) { + DecWindowOverlapLongStart(psi->coef[ch], psi->overlap[chOut], outbuf, aacDecInfo->nChans, icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 2) { + DecWindowOverlapShort(psi->coef[ch], psi->overlap[chOut], outbuf, aacDecInfo->nChans, icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 3) { + DecWindowOverlapLongStop(psi->coef[ch], psi->overlap[chOut], outbuf, aacDecInfo->nChans, icsInfo->winShape, psi->prevWinShape[chOut]); + } + + aacDecInfo->rawSampleBuf[ch] = 0; + aacDecInfo->rawSampleBytes = 0; + aacDecInfo->rawSampleFBits = 0; +#endif + + psi->prevWinShape[chOut] = icsInfo->winShape; + + return 0; +} diff --git a/audio_codec/libfaad/helixaac/noiseless.c b/audio_codec/libfaad/helixaac/noiseless.c new file mode 100644 index 0000000..e519e9d --- a/dev/null +++ b/audio_codec/libfaad/helixaac/noiseless.c @@ -0,0 +1,513 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: noiseless.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * noiseless.c - decode channel info, scalefactors, quantized coefficients, + * scalefactor band codebook, and TNS coefficients from bitstream + **************************************************************************************/ + +#include "coder.h" +#include + + +/************************************************************************************** + * Function: DecodeICSInfo + * + * Description: decode individual channel stream info + * + * Inputs: BitStreamInfo struct pointing to start of ICS info + * (14496-3, table 4.4.6) + * sample rate index + * + * Outputs: updated icsInfo struct + * + * Return: none + **************************************************************************************/ +void DecodeICSInfo(BitStreamInfo *bsi, ICSInfo *icsInfo, int sampRateIdx) +{ + int sfb, g, mask; + + icsInfo->icsResBit = GetBits(bsi, 1); + icsInfo->winSequence = GetBits(bsi, 2); + icsInfo->winShape = GetBits(bsi, 1); + if (icsInfo->winSequence == 2) { + /* short block */ + icsInfo->maxSFB = GetBits(bsi, 4); + icsInfo->sfGroup = GetBits(bsi, 7); + icsInfo->numWinGroup = 1; + icsInfo->winGroupLen[0] = 1; + mask = 0x40; /* start with bit 6 */ + for (g = 0; g < 7; g++) { + if (icsInfo->sfGroup & mask) { + icsInfo->winGroupLen[icsInfo->numWinGroup - 1]++; + } else { + icsInfo->numWinGroup++; + icsInfo->winGroupLen[icsInfo->numWinGroup - 1] = 1; + } + mask >>= 1; + } + } else { + /* long block */ + icsInfo->maxSFB = GetBits(bsi, 6); + icsInfo->predictorDataPresent = GetBits(bsi, 1); + if (icsInfo->predictorDataPresent) { + icsInfo->predictorReset = GetBits(bsi, 1); + if (icsInfo->predictorReset) { + icsInfo->predictorResetGroupNum = GetBits(bsi, 5); + } + for (sfb = 0; sfb < MIN(icsInfo->maxSFB, predSFBMax[sampRateIdx]); sfb++) { + icsInfo->predictionUsed[sfb] = GetBits(bsi, 1); + } + } + icsInfo->numWinGroup = 1; + icsInfo->winGroupLen[0] = 1; + } +} + +/************************************************************************************** + * Function: DecodeSectionData + * + * Description: decode section data (scale factor band groupings and + * associated Huffman codebooks) + * + * Inputs: BitStreamInfo struct pointing to start of ICS info + * (14496-3, table 4.4.25) + * window sequence (short or long blocks) + * number of window groups (1 for long blocks, 1-8 for short blocks) + * max coded scalefactor band + * + * Outputs: index of Huffman codebook for each scalefactor band in each section + * + * Return: none + * + * Notes: sectCB, sectEnd, sfbCodeBook, ordered by window groups for short blocks + **************************************************************************************/ +static int DecodeSectionData(BitStreamInfo *bsi, int winSequence, int numWinGrp, int maxSFB, unsigned char *sfbCodeBook) +{ + int g, cb, sfb; + int sectLen, sectLenBits, sectLenIncr, sectEscapeVal; + + sectLenBits = (winSequence == 2 ? 3 : 5); + sectEscapeVal = (1 << sectLenBits) - 1; + + for (g = 0; g < numWinGrp; g++) { + sfb = 0; + while (sfb < maxSFB) { + cb = GetBits(bsi, 4); /* next section codebook */ + sectLen = 0; + do { + sectLenIncr = GetBits(bsi, sectLenBits); + sectLen += sectLenIncr; + } while (sectLenIncr == sectEscapeVal); + + sfb += sectLen; + while (sectLen--) { + *sfbCodeBook++ = (unsigned char)cb; + } + } + ASSERT(sfb == maxSFB, ERR_AAC_HUFFMAN_DECODING); + } + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: DecodeOneScaleFactor + * + * Description: decode one scalefactor using scalefactor Huffman codebook + * + * Inputs: BitStreamInfo struct pointing to start of next coded scalefactor + * + * Outputs: updated BitstreamInfo struct + * + * Return: one decoded scalefactor, including index_offset of -60 + **************************************************************************************/ +static int DecodeOneScaleFactor(BitStreamInfo *bsi) +{ + int nBits, val; + unsigned int bitBuf; + + /* decode next scalefactor from bitstream */ + bitBuf = GetBitsNoAdvance(bsi, huffTabScaleFactInfo.maxBits) << (32 - huffTabScaleFactInfo.maxBits); + nBits = DecodeHuffmanScalar(huffTabScaleFact, &huffTabScaleFactInfo, bitBuf, &val); + AdvanceBitstream(bsi, nBits); + + return val; +} + +/************************************************************************************** + * Function: DecodeScaleFactors + * + * Description: decode scalefactors, PNS energy, and intensity stereo weights + * + * Inputs: BitStreamInfo struct pointing to start of ICS info + * (14496-3, table 4.4.26) + * number of window groups (1 for long blocks, 1-8 for short blocks) + * max coded scalefactor band + * global gain (starting value for differential scalefactor coding) + * index of Huffman codebook for each scalefactor band in each section + * + * Outputs: decoded scalefactor for each section + * + * Return: none + * + * Notes: sfbCodeBook, scaleFactors ordered by window groups for short blocks + * for section with codebook 13, scaleFactors buffer has decoded PNS + * energy instead of regular scalefactor + * for section with codebook 14 or 15, scaleFactors buffer has intensity + * stereo weight instead of regular scalefactor + **************************************************************************************/ +static void DecodeScaleFactors(BitStreamInfo *bsi, int numWinGrp, int maxSFB, int globalGain, + unsigned char *sfbCodeBook, short *scaleFactors) +{ + int g, sfbCB, nrg, npf, val, sf, is; + + /* starting values for differential coding */ + sf = globalGain; + is = 0; + nrg = globalGain - 90 - 256; + npf = 1; + + for (g = 0; g < numWinGrp * maxSFB; g++) { + sfbCB = *sfbCodeBook++; + + if (sfbCB == 14 || sfbCB == 15) { + /* intensity stereo - differential coding */ + val = DecodeOneScaleFactor(bsi); + is += val; + *scaleFactors++ = (short)is; + } else if (sfbCB == 13) { + /* PNS - first energy is directly coded, rest are Huffman coded (npf = noise_pcm_flag) */ + if (npf) { + val = GetBits(bsi, 9); + npf = 0; + } else { + val = DecodeOneScaleFactor(bsi); + } + nrg += val; + *scaleFactors++ = (short)nrg; + } else if (sfbCB >= 1 && sfbCB <= 11) { + /* regular (non-zero) region - differential coding */ + val = DecodeOneScaleFactor(bsi); + sf += val; + *scaleFactors++ = (short)sf; + } else { + /* inactive scalefactor band if codebook 0 */ + *scaleFactors++ = 0; + } + } +} + +/************************************************************************************** + * Function: DecodePulseInfo + * + * Description: decode pulse information + * + * Inputs: BitStreamInfo struct pointing to start of pulse info + * (14496-3, table 4.4.7) + * + * Outputs: updated PulseInfo struct + * + * Return: none + **************************************************************************************/ +static void DecodePulseInfo(BitStreamInfo *bsi, PulseInfo *pi) +{ + int i; + + pi->numPulse = GetBits(bsi, 2) + 1; /* add 1 here */ + pi->startSFB = GetBits(bsi, 6); + for (i = 0; i < pi->numPulse; i++) { + pi->offset[i] = GetBits(bsi, 5); + pi->amp[i] = GetBits(bsi, 4); + } +} + +/************************************************************************************** + * Function: DecodeTNSInfo + * + * Description: decode TNS filter information + * + * Inputs: BitStreamInfo struct pointing to start of TNS info + * (14496-3, table 4.4.27) + * window sequence (short or long blocks) + * + * Outputs: updated TNSInfo struct + * buffer of decoded (signed) TNS filter coefficients + * + * Return: none + **************************************************************************************/ +static void DecodeTNSInfo(BitStreamInfo *bsi, int winSequence, TNSInfo *ti, signed char *tnsCoef) +{ + int i, w, f, coefBits, compress; + signed char c, s, n; + signed char sgnMask[3] = { 0x02, 0x04, 0x08}; + signed char negMask[3] = {~0x03, ~0x07, ~0x0f}; + unsigned char *filtLength, *filtOrder, *filtDir; + + filtLength = ti->length; + filtOrder = ti->order; + filtDir = ti->dir; + + if (winSequence == 2) { + /* short blocks */ + for (w = 0; w < NWINDOWS_SHORT; w++) { + ti->numFilt[w] = GetBits(bsi, 1); + if (ti->numFilt[w]) { + ti->coefRes[w] = GetBits(bsi, 1) + 3; + *filtLength = GetBits(bsi, 4); + *filtOrder = GetBits(bsi, 3); + if (*filtOrder) { + *filtDir++ = GetBits(bsi, 1); + compress = GetBits(bsi, 1); + coefBits = (int)ti->coefRes[w] - compress; /* 2, 3, or 4 */ + s = sgnMask[coefBits - 2]; + n = negMask[coefBits - 2]; + for (i = 0; i < *filtOrder; i++) { + c = GetBits(bsi, coefBits); + if (c & s) { + c |= n; + } + *tnsCoef++ = c; + } + } + filtLength++; + filtOrder++; + } + } + } else { + /* long blocks */ + ti->numFilt[0] = GetBits(bsi, 2); + if (ti->numFilt[0]) { + ti->coefRes[0] = GetBits(bsi, 1) + 3; + } + for (f = 0; f < ti->numFilt[0]; f++) { + *filtLength = GetBits(bsi, 6); + *filtOrder = GetBits(bsi, 5); + if (*filtOrder) { + *filtDir++ = GetBits(bsi, 1); + compress = GetBits(bsi, 1); + coefBits = (int)ti->coefRes[0] - compress; /* 2, 3, or 4 */ + s = sgnMask[coefBits - 2]; + n = negMask[coefBits - 2]; + for (i = 0; i < *filtOrder; i++) { + c = GetBits(bsi, coefBits); + if (c & s) { + c |= n; + } + *tnsCoef++ = c; + } + } + filtLength++; + filtOrder++; + } + } +} + +/* bitstream field lengths for gain control data: + * gainBits[winSequence][0] = maxWindow (how many gain windows there are) + * gainBits[winSequence][1] = locBitsZero (bits for alocCode if window == 0) + * gainBits[winSequence][2] = locBits (bits for alocCode if window != 0) + */ +static const unsigned char gainBits[4][3] = { + {1, 5, 5}, /* long */ + {2, 4, 2}, /* start */ + {8, 2, 2}, /* short */ + {2, 4, 5}, /* stop */ +}; + +/************************************************************************************** + * Function: DecodeGainControlInfo + * + * Description: decode gain control information (SSR profile only) + * + * Inputs: BitStreamInfo struct pointing to start of gain control info + * (14496-3, table 4.4.12) + * window sequence (short or long blocks) + * + * Outputs: updated GainControlInfo struct + * + * Return: none + **************************************************************************************/ +static void DecodeGainControlInfo(BitStreamInfo *bsi, int winSequence, GainControlInfo *gi) +{ + int bd, wd, ad; + int locBits, locBitsZero, maxWin; + + gi->maxBand = GetBits(bsi, 2); + maxWin = (int)gainBits[winSequence][0]; + locBitsZero = (int)gainBits[winSequence][1]; + locBits = (int)gainBits[winSequence][2]; + + for (bd = 1; bd <= gi->maxBand; bd++) { + for (wd = 0; wd < maxWin; wd++) { + gi->adjNum[bd][wd] = GetBits(bsi, 3); + for (ad = 0; ad < gi->adjNum[bd][wd]; ad++) { + gi->alevCode[bd][wd][ad] = GetBits(bsi, 4); + gi->alocCode[bd][wd][ad] = GetBits(bsi, (wd == 0 ? locBitsZero : locBits)); + } + } + } +} + +/************************************************************************************** + * Function: DecodeICS + * + * Description: decode individual channel stream + * + * Inputs: platform specific info struct + * BitStreamInfo struct pointing to start of individual channel stream + * (14496-3, table 4.4.24) + * index of current channel + * + * Outputs: updated section data, scale factor data, pulse data, TNS data, + * and gain control data + * + * Return: none + **************************************************************************************/ +static int DecodeICS(PSInfoBase *psi, BitStreamInfo *bsi, int ch) +{ + int globalGain; + ICSInfo *icsInfo; + PulseInfo *pi; + TNSInfo *ti; + GainControlInfo *gi; + int err = ERR_AAC_NONE; + + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + globalGain = GetBits(bsi, 8); + if (!psi->commonWin) { + DecodeICSInfo(bsi, icsInfo, psi->sampRateIdx); + } + + err = DecodeSectionData(bsi, icsInfo->winSequence, icsInfo->numWinGroup, icsInfo->maxSFB, psi->sfbCodeBook[ch]); + if (err) { + return err; + } + DecodeScaleFactors(bsi, icsInfo->numWinGroup, icsInfo->maxSFB, globalGain, psi->sfbCodeBook[ch], psi->scaleFactors[ch]); + + pi = &psi->pulseInfo[ch]; + pi->pulseDataPresent = GetBits(bsi, 1); + if (pi->pulseDataPresent) { + DecodePulseInfo(bsi, pi); + } + + ti = &psi->tnsInfo[ch]; + ti->tnsDataPresent = GetBits(bsi, 1); + if (ti->tnsDataPresent) { + DecodeTNSInfo(bsi, icsInfo->winSequence, ti, ti->coef); + } + + gi = &psi->gainControlInfo[ch]; + gi->gainControlDataPresent = GetBits(bsi, 1); + if (gi->gainControlDataPresent) { + /* disable SSR, as we can decode out this part */ + return ERR_AAC_SSR_GAIN_NOT_ADDED; + DecodeGainControlInfo(bsi, icsInfo->winSequence, gi); + } + return err; +} + +/************************************************************************************** + * Function: DecodeNoiselessData + * + * Description: decode noiseless data (side info and transform coefficients) + * + * Inputs: valid AACDecInfo struct + * double pointer to buffer pointing to start of individual channel stream + * (14496-3, table 4.4.24) + * pointer to bit offset + * pointer to number of valid bits remaining in buf + * index of current channel + * + * Outputs: updated global gain, section data, scale factor data, pulse data, + * TNS data, gain control data, and spectral data + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int DecodeNoiselessData(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail, int ch) +{ + int bitsUsed; + BitStreamInfo bsi; + PSInfoBase *psi; + ICSInfo *icsInfo; + int err = 0; + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + if (AACDataSource == 1) { + SetBitstreamPointer(&bsi, (*bitsAvail + 7) >> 3, *buf); + GetBits(&bsi, *bitOffset); + } else { + if (((*bitsAvail + 7) >> 3) < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + + err = DecodeICS(psi, &bsi, ch); + if (err) { + return err; + } + if (icsInfo->winSequence == 2) { + err = DecodeSpectrumShort(psi, &bsi, ch); + } else { + err = DecodeSpectrumLong(psi, &bsi, ch); + } + if (err) { + return err; + } + if (AACDataSource == 1) { + bitsUsed = CalcBitsUsed(&bsi, *buf, *bitOffset); + *buf += ((bitsUsed + *bitOffset) >> 3); + *bitOffset = ((bitsUsed + *bitOffset) & 0x07); + *bitsAvail -= bitsUsed; + if (*bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + aacDecInfo->sbDeinterleaveReqd[ch] = 0; + aacDecInfo->tnsUsed |= psi->tnsInfo[ch].tnsDataPresent; /* set flag if TNS used for any channel */ + + return ERR_AAC_NONE; +} diff --git a/audio_codec/libfaad/helixaac/pns_helix.c b/audio_codec/libfaad/helixaac/pns_helix.c new file mode 100644 index 0000000..2384593 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/pns_helix.c @@ -0,0 +1,371 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: pns.c,v 1.2 2005/03/10 17:01:56 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * pns.c - perceptual noise substitution + **************************************************************************************/ + +#include "coder.h" +#ifndef __MW__ +#include "assembly.h" +#else +#include "assembly_mw.h" +#endif /* __MW__ */ + +/************************************************************************************** + * Function: Get32BitVal + * + * Description: generate 32-bit unsigned random number + * + * Inputs: last number calculated (seed, first time through) + * + * Outputs: new number, saved in *last + * + * Return: 32-bit number, uniformly distributed between [0, 2^32) + * + * Notes: uses simple linear congruential generator + **************************************************************************************/ +static unsigned int Get32BitVal(unsigned int *last) +{ + unsigned int r = *last; + + /* use same coefs as MPEG reference code (classic LCG) + * use unsigned multiply to force reliable wraparound behavior in C (mod 2^32) + */ + r = (1664525U * r) + 1013904223U; + *last = r; + + return r; +} + +/* pow(2, i/4.0) for i = [0,1,2,3], format = Q30 */ +static const int pow14[4] = { + 0x40000000, 0x4c1bf829, 0x5a82799a, 0x6ba27e65 +}; + +#define NUM_ITER_INVSQRT 4 + +#define X0_COEF_2 0xc0000000 /* Q29: -2.0 */ +#define X0_OFF_2 0x60000000 /* Q29: 3.0 */ +#define Q26_3 0x0c000000 /* Q26: 3.0 */ + +/************************************************************************************** + * Function: InvRootR + * + * Description: use Newton's method to solve for x = 1/sqrt(r) + * + * Inputs: r in Q30 format, range = [0.25, 1] (normalize inputs to this range) + * + * Outputs: none + * + * Return: x = Q29, range = (1, 2) + * + * Notes: guaranteed to converge and not overflow for any r in this range + * + * xn+1 = xn - f(xn)/f'(xn) + * f(x) = 1/sqrt(r) - x = 0 (find root) + * = 1/x^2 - r + * f'(x) = -2/x^3 + * + * so xn+1 = xn/2 * (3 - r*xn^2) + * + * NUM_ITER_INVSQRT = 3, maxDiff = 1.3747e-02 + * NUM_ITER_INVSQRT = 4, maxDiff = 3.9832e-04 + **************************************************************************************/ +static int InvRootR(int r) +{ + int i, xn, t; + + /* use linear equation for initial guess + * x0 = -2*r + 3 (so x0 always >= correct answer in range [0.25, 1)) + * xn = Q29 (at every step) + */ + xn = (MULSHIFT32(r, X0_COEF_2) << 2) + X0_OFF_2; + + for (i = 0; i < NUM_ITER_INVSQRT; i++) { + t = MULSHIFT32(xn, xn); /* Q26 = Q29*Q29 */ + t = Q26_3 - (MULSHIFT32(r, t) << 2); /* Q26 = Q26 - (Q31*Q26 << 1) */ + xn = MULSHIFT32(xn, t) << (6 - 1); /* Q29 = (Q29*Q26 << 6), and -1 for division by 2 */ + } + + /* clip to range (1.0, 2.0) + * (because of rounding, this can converge to xn slightly > 2.0 when r is near 0.25) + */ + if (xn >> 30) { + xn = (1 << 30) - 1; + } + + return xn; +} + +/************************************************************************************** + * Function: ScaleNoiseVector + * + * Description: apply scaling to vector of noise coefficients for one scalefactor band + * + * Inputs: unscaled coefficients + * number of coefficients in vector (one scalefactor band of coefs) + * scalefactor for this band (i.e. noise energy) + * + * Outputs: nVals coefficients in Q(FBITS_OUT_DQ_OFF) + * + * Return: guard bit mask (OR of abs value of all noise coefs) + **************************************************************************************/ +static int ScaleNoiseVector(int *coef, int nVals, int sf) +{ + int i, c, spec, energy, sq, scalef, scalei, invSqrtEnergy, z, gbMask; + + energy = 0; + for (i = 0; i < nVals; i++) { + spec = coef[i]; + + /* max nVals = max SFB width = 96, so energy can gain < 2^7 bits in accumulation */ + sq = (spec * spec) >> 8; /* spec*spec range = (-2^30, 2^30) */ + energy += sq; + } + + /* unless nVals == 1 (or the number generator is broken...), this should not happen */ + if (energy == 0) { + return 0; /* coef[i] must = 0 for i = [0, nVals-1], so gbMask = 0 */ + } + + /* pow(2, sf/4) * pow(2, FBITS_OUT_DQ_OFF) */ + scalef = pow14[sf & 0x3]; + scalei = (sf >> 2) + FBITS_OUT_DQ_OFF; + + /* energy has implied factor of 2^-8 since we shifted the accumulator + * normalize energy to range [0.25, 1.0), calculate 1/sqrt(1), and denormalize + * i.e. divide input by 2^(30-z) and convert to Q30 + * output of 1/sqrt(i) now has extra factor of 2^((30-z)/2) + * for energy > 0, z is an even number between 0 and 28 + * final scaling of invSqrtEnergy: + * 2^(15 - z/2) to compensate for implicit 2^(30-z) factor in input + * +4 to compensate for implicit 2^-8 factor in input + */ + z = CLZ(energy) - 2; /* energy has at least 2 leading zeros (see acc loop) */ + z &= 0xfffffffe; /* force even */ + invSqrtEnergy = InvRootR(energy << z); /* energy << z must be in range [0x10000000, 0x40000000] */ + scalei -= (15 - z / 2 + 4); /* nInt = 1/sqrt(energy) in Q29 */ + + /* normalize for final scaling */ + z = CLZ(invSqrtEnergy) - 1; + invSqrtEnergy <<= z; + scalei -= (z - 3 - 2); /* -2 for scalef, z-3 for invSqrtEnergy */ + scalef = MULSHIFT32(scalef, invSqrtEnergy); /* scalef (input) = Q30, invSqrtEnergy = Q29 * 2^z */ + gbMask = 0; + + if (scalei < 0) { + scalei = -scalei; + if (scalei > 31) { + scalei = 31; + } + for (i = 0; i < nVals; i++) { + c = MULSHIFT32(coef[i], scalef) >> scalei; + gbMask |= FASTABS(c); + coef[i] = c; + } + } else { + /* for scalei <= 16, no clipping possible (coef[i] is < 2^15 before scaling) + * for scalei > 16, just saturate exponent (rare) + * scalef is close to full-scale (since we normalized invSqrtEnergy) + * remember, we are just producing noise here + */ + if (scalei > 16) { + scalei = 16; + } + for (i = 0; i < nVals; i++) { + c = MULSHIFT32(coef[i] << scalei, scalef); + coef[i] = c; + gbMask |= FASTABS(c); + } + } + + return gbMask; +} + +/************************************************************************************** + * Function: GenerateNoiseVector + * + * Description: create vector of noise coefficients for one scalefactor band + * + * Inputs: seed for number generator + * number of coefficients to generate + * + * Outputs: buffer of nVals coefficients, range = [-2^15, 2^15) + * updated seed for number generator + * + * Return: none + **************************************************************************************/ +static void GenerateNoiseVector(int *coef, int *last, int nVals) +{ + int i; + + for (i = 0; i < nVals; i++) { + coef[i] = ((signed int)Get32BitVal((unsigned int *)last)) >> 16; + } +} + +/************************************************************************************** + * Function: CopyNoiseVector + * + * Description: copy vector of noise coefficients for one scalefactor band from L to R + * + * Inputs: buffer of left coefficients + * number of coefficients to copy + * + * Outputs: buffer of right coefficients + * + * Return: none + **************************************************************************************/ +static void CopyNoiseVector(int *coefL, int *coefR, int nVals) +{ + int i; + + for (i = 0; i < nVals; i++) { + coefR[i] = coefL[i]; + } +} + +/************************************************************************************** + * Function: PNS + * + * Description: apply perceptual noise substitution, if enabled (MPEG-4 only) + * + * Inputs: valid AACDecInfo struct + * index of current channel + * + * Outputs: shaped noise in scalefactor bands where PNS is active + * updated minimum guard bit count for this channel + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +int PNS(AACDecInfo *aacDecInfo, int ch) +{ + int gp, sfb, win, width, nSamps, gb, gbMask; + int *coef; + const short *sfbTab; + unsigned char *sfbCodeBook; + short *scaleFactors; + int msMaskOffset, checkCorr, genNew; + unsigned char msMask; + unsigned char *msMaskPtr; + PSInfoBase *psi; + ICSInfo *icsInfo; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + if (!psi->pnsUsed[ch]) { + return 0; + } + + if (icsInfo->winSequence == 2) { + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + nSamps = NSAMPS_SHORT; + } else { + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + nSamps = NSAMPS_LONG; + } + coef = psi->coef[ch]; + sfbCodeBook = psi->sfbCodeBook[ch]; + scaleFactors = psi->scaleFactors[ch]; + checkCorr = (aacDecInfo->currBlockID == AAC_ID_CPE && psi->commonWin == 1 ? 1 : 0); + + gbMask = 0; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + msMaskPtr = psi->msMaskBits + ((gp * icsInfo->maxSFB) >> 3); + msMaskOffset = ((gp * icsInfo->maxSFB) & 0x07); + msMask = (*msMaskPtr++) >> msMaskOffset; + + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + width = sfbTab[sfb + 1] - sfbTab[sfb]; + if (sfbCodeBook[sfb] == 13) { + if (ch == 0) { + /* generate new vector, copy into ch 1 if it's possible that the channels will be correlated + * if ch 1 has PNS enabled for this SFB but it's uncorrelated (i.e. ms_used == 0), + * the copied values will be overwritten when we process ch 1 + */ + GenerateNoiseVector(coef, &psi->pnsLastVal, width); + if (checkCorr && psi->sfbCodeBook[1][gp * icsInfo->maxSFB + sfb] == 13) { + CopyNoiseVector(coef, psi->coef[1] + (coef - psi->coef[0]), width); + } + } else { + /* generate new vector if no correlation between channels */ + genNew = 1; + if (checkCorr && psi->sfbCodeBook[0][gp * icsInfo->maxSFB + sfb] == 13) { + if ((psi->msMaskPresent == 1 && (msMask & 0x01)) || psi->msMaskPresent == 2) { + genNew = 0; + } + } + if (genNew) { + GenerateNoiseVector(coef, &psi->pnsLastVal, width); + } + } + gbMask |= ScaleNoiseVector(coef, width, psi->scaleFactors[ch][gp * icsInfo->maxSFB + sfb]); + } + coef += width; + + /* get next mask bit (should be branchless on ARM) */ + msMask >>= 1; + if (++msMaskOffset == 8) { + msMask = *msMaskPtr++; + msMaskOffset = 0; + } + } + coef += (nSamps - sfbTab[icsInfo->maxSFB]); + } + sfbCodeBook += icsInfo->maxSFB; + scaleFactors += icsInfo->maxSFB; + } + + /* update guard bit count if necessary */ + gb = CLZ(gbMask) - 1; + if (psi->gbCurrent[ch] > gb) { + psi->gbCurrent[ch] = gb; + } + + return 0; +} diff --git a/audio_codec/libfaad/helixaac/sbr.c b/audio_codec/libfaad/helixaac/sbr.c new file mode 100644 index 0000000..fcf1fe4 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/sbr.c @@ -0,0 +1,433 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbr.c,v 1.4 2008/01/15 21:20:31 ehyche Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbr.c - top level functions for SBR + **************************************************************************************/ + +#if defined(REAL_FORMAT_SDK) +#include "rm_memory_shim.h" +#define malloc hx_realformatsdk_malloc +#define free hx_realformatsdk_free +#endif /* #if defined(REAL_FORMAT_SDK) */ + +#include "sbr.h" +#include + +/************************************************************************************** + * Function: InitSBRState + * + * Description: initialize PSInfoSBR struct at start of stream or after flush + * + * Inputs: valid AACDecInfo struct + * + * Outputs: PSInfoSBR struct with proper initial state + * + * Return: none + **************************************************************************************/ +static void InitSBRState(PSInfoSBR *psi) +{ + int i, ch; + unsigned char *c; + + if (!psi) { + return; + } + + /* clear SBR state structure */ + c = (unsigned char *)psi; + for (i = 0; i < (int)sizeof(PSInfoSBR); i++) { + *c++ = 0; + } + + /* initialize non-zero state variables */ + for (ch = 0; ch < AAC_MAX_NCHANS; ch++) { + psi->sbrChan[ch].reset = 1; + psi->sbrChan[ch].laPrev = -1; + } +} + +/************************************************************************************** + * Function: InitSBR + * + * Description: initialize SBR decoder + * + * Inputs: valid AACDecInfo struct + * + * Outputs: PSInfoSBR struct to hold SBR state information + * + * Return: 0 if successful, error code (< 0) if error + * + * Note: memory allocation for SBR is only done here + **************************************************************************************/ +int InitSBR(AACDecInfo *aacDecInfo) +{ + PSInfoSBR *psi; + + if (!aacDecInfo) { + return ERR_AAC_NULL_POINTER; + } + /* allocate SBR state structure */ + psi = (PSInfoSBR *)malloc(sizeof(PSInfoSBR)); + if (!psi) { + return ERR_AAC_SBR_INIT; + } + + InitSBRState(psi); + + aacDecInfo->psInfoSBR = psi; + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: FreeSBR + * + * Description: free SBR decoder + * + * Inputs: valid AACDecInfo struct + * + * Outputs: none + * + * Return: none + * + * Note: memory deallocation for SBR is only done here + **************************************************************************************/ +void FreeSBR(AACDecInfo *aacDecInfo) +{ + if (aacDecInfo && aacDecInfo->psInfoSBR) { + free(aacDecInfo->psInfoSBR); + } + + return; +} + +/************************************************************************************** + * Function: DecodeSBRBitstream + * + * Description: decode sideband information for SBR + * + * Inputs: valid AACDecInfo struct + * fill buffer with SBR extension block + * number of bytes in fill buffer + * base output channel (range = [0, nChans-1]) + * + * Outputs: initialized state structs (SBRHdr, SBRGrid, SBRFreq, SBRChan) + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: SBR payload should be in aacDecInfo->fillBuf + * returns with no error if fill buffer is not an SBR extension block, + * or if current block is not a fill block (e.g. for LFE upsampling) + **************************************************************************************/ +int DecodeSBRBitstream(AACDecInfo *aacDecInfo, int chBase) +{ + int headerFlag; + BitStreamInfo bsi; + PSInfoSBR *psi; + int err = ERR_AAC_NONE; + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoSBR) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoSBR *)(aacDecInfo->psInfoSBR); + + if (aacDecInfo->currBlockID != AAC_ID_FIL || (aacDecInfo->fillExtType != EXT_SBR_DATA && aacDecInfo->fillExtType != EXT_SBR_DATA_CRC)) { + return ERR_AAC_NONE; + } + + SetBitstreamPointer(&bsi, aacDecInfo->fillCount, aacDecInfo->fillBuf); + if (GetBits(&bsi, 4) != (unsigned int)aacDecInfo->fillExtType) { + return ERR_AAC_SBR_BITSTREAM; + } + + if (aacDecInfo->fillExtType == EXT_SBR_DATA_CRC) { + psi->crcCheckWord = GetBits(&bsi, 10); + } + + headerFlag = GetBits(&bsi, 1); + if (headerFlag) { + /* get sample rate index for output sample rate (2x base rate) */ + psi->sampRateIdx = GetSampRateIdx(2 * aacDecInfo->sampRate); + if (psi->sampRateIdx < 0 || psi->sampRateIdx >= NUM_SAMPLE_RATES) { + return ERR_AAC_SBR_BITSTREAM; + } else if (psi->sampRateIdx >= NUM_SAMPLE_RATES_SBR) { + return ERR_AAC_SBR_SINGLERATE_UNSUPPORTED; + } + + /* reset flag = 1 if header values changed */ + if (UnpackSBRHeader(&bsi, &(psi->sbrHdr[chBase]))) { + psi->sbrChan[chBase].reset = 1; + } + + /* first valid SBR header should always trigger CalcFreqTables(), since psi->reset was set in InitSBR() */ + if (psi->sbrChan[chBase].reset) { + CalcFreqTables(&(psi->sbrHdr[chBase + 0]), &(psi->sbrFreq[chBase]), psi->sampRateIdx); + } + + /* copy and reset state to right channel for CPE */ + if (aacDecInfo->prevBlockID == AAC_ID_CPE) { + psi->sbrChan[chBase + 1].reset = psi->sbrChan[chBase + 0].reset; + } + } + + + /* if no header has been received, upsample only */ + if (psi->sbrHdr[chBase].count == 0) { + return ERR_AAC_NONE; + } + + if (aacDecInfo->prevBlockID == AAC_ID_SCE) { + err = UnpackSBRSingleChannel(&bsi, psi, chBase); + } else if (aacDecInfo->prevBlockID == AAC_ID_CPE) { + err = UnpackSBRChannelPair(&bsi, psi, chBase); + } else { + return ERR_AAC_SBR_BITSTREAM; + } + ByteAlignBitstream(&bsi); + + return err; +} + +/************************************************************************************** + * Function: DecodeSBRData + * + * Description: apply SBR to one frame of PCM data + * + * Inputs: 1024 samples of decoded 32-bit PCM, before SBR + * size of input PCM samples (must be 4 bytes) + * number of fraction bits in input PCM samples + * base output channel (range = [0, nChans-1]) + * initialized state structs (SBRHdr, SBRGrid, SBRFreq, SBRChan) + * + * Outputs: 2048 samples of decoded 16-bit PCM, after SBR + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int DecodeSBRData(AACDecInfo *aacDecInfo, int chBase, short *outbuf) +{ + int k, l, ch, chBlock, qmfaBands, qmfsBands; + int upsampleOnly, gbIdx, gbMask; + int *inbuf; + short *outptr; + PSInfoSBR *psi; + SBRHeader *sbrHdr; + SBRGrid *sbrGrid; + SBRFreq *sbrFreq; + SBRChan *sbrChan; + int err = ERR_AAC_NONE; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoSBR) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoSBR *)(aacDecInfo->psInfoSBR); + + /* same header and freq tables for both channels in CPE */ + sbrHdr = &(psi->sbrHdr[chBase]); + sbrFreq = &(psi->sbrFreq[chBase]); + + /* upsample only if we haven't received an SBR header yet or if we have an LFE block */ + if (aacDecInfo->currBlockID == AAC_ID_LFE) { + chBlock = 1; + upsampleOnly = 1; + } else if (aacDecInfo->currBlockID == AAC_ID_FIL) { + if (aacDecInfo->prevBlockID == AAC_ID_SCE) { + chBlock = 1; + } else if (aacDecInfo->prevBlockID == AAC_ID_CPE) { + chBlock = 2; + } else { + return ERR_AAC_NONE; + } + + upsampleOnly = (sbrHdr->count == 0 ? 1 : 0); + if (aacDecInfo->fillExtType != EXT_SBR_DATA && aacDecInfo->fillExtType != EXT_SBR_DATA_CRC) { + return ERR_AAC_NONE; + } + } else { + /* ignore non-SBR blocks */ + return ERR_AAC_NONE; + } + + if (upsampleOnly) { + sbrFreq->kStart = 32; + sbrFreq->numQMFBands = 0; + } + + for (ch = 0; ch < chBlock; ch++) { + sbrGrid = &(psi->sbrGrid[chBase + ch]); + sbrChan = &(psi->sbrChan[chBase + ch]); + + if (aacDecInfo->rawSampleBuf[ch] == 0 || aacDecInfo->rawSampleBytes != 4) { + return ERR_AAC_SBR_PCM_FORMAT; + } + inbuf = (int *)aacDecInfo->rawSampleBuf[ch]; + outptr = outbuf + chBase + ch; + + /* restore delay buffers (could use ring buffer or keep in temp buffer for nChans == 1) */ + for (l = 0; l < HF_GEN; l++) { + for (k = 0; k < 64; k++) { + psi->XBuf[l][k][0] = psi->XBufDelay[chBase + ch][l][k][0]; + psi->XBuf[l][k][1] = psi->XBufDelay[chBase + ch][l][k][1]; + } + } + + /* step 1 - analysis QMF */ + qmfaBands = sbrFreq->kStart; + for (l = 0; l < 32; l++) { + gbMask = QMFAnalysis(inbuf + l * 32, psi->delayQMFA[chBase + ch], psi->XBuf[l + HF_GEN][0], + aacDecInfo->rawSampleFBits, &(psi->delayIdxQMFA[chBase + ch]), qmfaBands); + + gbIdx = ((l + HF_GEN) >> 5) & 0x01; + sbrChan->gbMask[gbIdx] |= gbMask; /* gbIdx = (0 if i < 32), (1 if i >= 32) */ + } + + if (upsampleOnly) { + /* no SBR - just run synthesis QMF to upsample by 2x */ + qmfsBands = 32; + for (l = 0; l < 32; l++) { + /* step 4 - synthesis QMF */ + QMFSynthesis(psi->XBuf[l + HF_ADJ][0], psi->delayQMFS[chBase + ch], &(psi->delayIdxQMFS[chBase + ch]), qmfsBands, outptr, aacDecInfo->nChans); + outptr += 64 * aacDecInfo->nChans; + } + } else { + /* if previous frame had lower SBR starting freq than current, zero out the synthesized QMF + * bands so they aren't used as sources for patching + * after patch generation, restore from delay buffer + * can only happen after header reset + */ + for (k = sbrFreq->kStartPrev; k < sbrFreq->kStart; k++) { + for (l = 0; l < sbrGrid->envTimeBorder[0] + HF_ADJ; l++) { + psi->XBuf[l][k][0] = 0; + psi->XBuf[l][k][1] = 0; + } + } + + /* step 2 - HF generation */ + err = GenerateHighFreq(psi, sbrGrid, sbrFreq, sbrChan, ch); + if (err) { + return err; + } + + /* restore SBR bands that were cleared before patch generation (time slots 0, 1 no longer needed) */ + for (k = sbrFreq->kStartPrev; k < sbrFreq->kStart; k++) { + for (l = HF_ADJ; l < sbrGrid->envTimeBorder[0] + HF_ADJ; l++) { + psi->XBuf[l][k][0] = psi->XBufDelay[chBase + ch][l][k][0]; + psi->XBuf[l][k][1] = psi->XBufDelay[chBase + ch][l][k][1]; + } + } + + /* step 3 - HF adjustment */ + err = AdjustHighFreq(psi, sbrHdr, sbrGrid, sbrFreq, sbrChan, ch); + if (err) { + return err; + } + + /* step 4 - synthesis QMF */ + qmfsBands = sbrFreq->kStartPrev + sbrFreq->numQMFBandsPrev; + for (l = 0; l < sbrGrid->envTimeBorder[0]; l++) { + /* if new envelope starts mid-frame, use old settings until start of first envelope in this frame */ + QMFSynthesis(psi->XBuf[l + HF_ADJ][0], psi->delayQMFS[chBase + ch], &(psi->delayIdxQMFS[chBase + ch]), qmfsBands, outptr, aacDecInfo->nChans); + outptr += 64 * aacDecInfo->nChans; + } + + qmfsBands = sbrFreq->kStart + sbrFreq->numQMFBands; + for (; l < 32; l++) { + /* use new settings for rest of frame (usually the entire frame, unless the first envelope starts mid-frame) */ + QMFSynthesis(psi->XBuf[l + HF_ADJ][0], psi->delayQMFS[chBase + ch], &(psi->delayIdxQMFS[chBase + ch]), qmfsBands, outptr, aacDecInfo->nChans); + outptr += 64 * aacDecInfo->nChans; + } + } + + /* save delay */ + for (l = 0; l < HF_GEN; l++) { + for (k = 0; k < 64; k++) { + psi->XBufDelay[chBase + ch][l][k][0] = psi->XBuf[l + 32][k][0]; + psi->XBufDelay[chBase + ch][l][k][1] = psi->XBuf[l + 32][k][1]; + } + } + sbrChan->gbMask[0] = sbrChan->gbMask[1]; + sbrChan->gbMask[1] = 0; + + if (sbrHdr->count > 0) { + sbrChan->reset = 0; + } + } + sbrFreq->kStartPrev = sbrFreq->kStart; + sbrFreq->numQMFBandsPrev = sbrFreq->numQMFBands; + + if (aacDecInfo->nChans > 0 && (chBase + ch) == aacDecInfo->nChans) { + psi->frameCount++; + } + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: FlushCodecSBR + * + * Description: flush internal SBR codec state (after seeking, for example) + * + * Inputs: valid AACDecInfo struct + * + * Outputs: updated state variables for SBR + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: SBR is heavily dependent on state from previous frames + * (e.g. delta coded scalefactors, previous envelope boundaries, etc.) + * On flush, we reset everything as if SBR had just been initialized + * for the first time. This triggers "upsample-only" mode until + * the first valid SBR header is received. Then SBR starts as usual. + **************************************************************************************/ +int FlushCodecSBR(AACDecInfo *aacDecInfo) +{ + PSInfoSBR *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoSBR) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoSBR *)(aacDecInfo->psInfoSBR); + + InitSBRState(psi); + + return 0; +} diff --git a/audio_codec/libfaad/helixaac/sbr.h b/audio_codec/libfaad/helixaac/sbr.h new file mode 100644 index 0000000..7d01905 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/sbr.h @@ -0,0 +1,380 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbr.h,v 1.2 2005/05/20 18:05:41 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbr.h - definitions of platform-specific SBR data structures, functions, and tables + **************************************************************************************/ + +#ifndef _SBR_H +#define _SBR_H + +#include "aaccommon.h" +#include "bitstream.h" +#ifndef ASSERT +#if defined(_WIN32) && defined(_M_IX86) && (defined (_DEBUG) || defined (REL_ENABLE_ASSERTS)) +#define ASSERT(x) if (!(x)) __asm int 3; +#else +#define ASSERT(x,errid) do{if(!(x)) {printk(" aac decoder error ,errid %d\n",(errid));return (errid);}}while(0)/* do nothing */ +#endif +#endif + +#ifndef MAX +#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef MIN +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#endif + +#define NUM_TIME_SLOTS 16 +#define SAMPLES_PER_SLOT 2 /* RATE in spec */ +#define NUM_SAMPLE_RATES_SBR 9 /* downsampled (single-rate) mode unsupported, so only use Fs_sbr >= 16 kHz */ + +#define MAX_NUM_ENV 5 +#define MAX_NUM_NOISE_FLOORS 2 +#define MAX_NUM_NOISE_FLOOR_BANDS 5 /* max Nq, see 4.6.18.3.6 */ +#define MAX_NUM_PATCHES 5 +#define MAX_NUM_SMOOTH_COEFS 5 + +#define HF_GEN 8 +#define HF_ADJ 2 + +#define MAX_QMF_BANDS 48 /* max QMF subbands covered by SBR (4.6.18.3.6) */ + +#define FBITS_IN_QMFA 14 +#define FBITS_LOST_QMFA (1 + 2 + 3 + 2 + 1) /* 1 from cTab, 2 in premul, 3 in FFT, 2 in postmul, 1 for implicit scaling by 2.0 */ +#define FBITS_OUT_QMFA (FBITS_IN_QMFA - FBITS_LOST_QMFA) + +#define MIN_GBITS_IN_QMFS 2 +#define FBITS_IN_QMFS FBITS_OUT_QMFA +#define FBITS_LOST_DCT4_64 (2 + 3 + 2) /* 2 in premul, 3 in FFT, 2 in postmul */ + +#define FBITS_OUT_DQ_ENV 29 /* dequantized env scalefactors are Q(29 - envDataDequantScale) */ +#define FBITS_OUT_DQ_NOISE 24 /* range of Q_orig = [2^-24, 2^6] */ +#define NOISE_FLOOR_OFFSET 6 + +/* see comments in ApplyBoost() */ +#define FBITS_GLIM_BOOST 24 +#define FBITS_QLIM_BOOST 14 + +#define MAX_HUFF_BITS 20 +#define NUM_QMF_DELAY_BUFS 10 +#define DELAY_SAMPS_QMFA (NUM_QMF_DELAY_BUFS * 32) +#define DELAY_SAMPS_QMFS (NUM_QMF_DELAY_BUFS * 128) + +/* additional external symbols to name-mangle for static linking */ +#define FFT32C STATNAME(FFT32C) +#define CalcFreqTables STATNAME(CalcFreqTables) +#define AdjustHighFreq STATNAME(AdjustHighFreq) +#define GenerateHighFreq STATNAME(GenerateHighFreq) +#define DecodeSBREnvelope STATNAME(DecodeSBREnvelope) +#define DecodeSBRNoise STATNAME(DecodeSBRNoise) +#define UncoupleSBREnvelope STATNAME(UncoupleSBREnvelope) +#define UncoupleSBRNoise STATNAME(UncoupleSBRNoise) +#define InvRNormalized STATNAME(InvRNormalized) +#define RatioPowInv STATNAME(RatioPowInv) +#define SqrtFix STATNAME(SqrtFix) +#define QMFAnalysis STATNAME(QMFAnalysis) +#define QMFSynthesis STATNAME(QMFSynthesis) +#define GetSampRateIdx STATNAME(GetSampRateIdx) +#define UnpackSBRHeader STATNAME(UnpackSBRHeader) +#define UnpackSBRSingleChannel STATNAME(UnpackSBRSingleChannel) +#define UnpackSBRChannelPair STATNAME(UnpackSBRChannelPair) + +/* asm functions */ +#define CVKernel1 STATNAME(CVKernel1) +#define CVKernel2 STATNAME(CVKernel2) +#define QMFAnalysisConv STATNAME(QMFAnalysisConv) +#define QMFSynthesisConv STATNAME(QMFSynthesisConv) + +#define k0Tab STATNAME(k0Tab) +#define k2Tab STATNAME(k2Tab) +#define goalSBTab STATNAME(goalSBTab) +#define huffTabSBR STATNAME(huffTabSBR) +#define huffTabSBRInfo STATNAME(huffTabSBRInfo) +#define log2Tab STATNAME(log2Tab) +#define noiseTab STATNAME(noiseTab) +#define cTabA STATNAME(cTabA) +#define cTabS STATNAME(cTabS) + +/* do y <<= n, clipping to range [-2^30, 2^30 - 1] (i.e. output has one guard bit) */ +#define CLIP_2N_SHIFT30(y, n) { \ + int sign = (y) >> 31; \ + if (sign != (y) >> (30 - (n))) { \ + (y) = sign ^ (0x3fffffff); \ + } else { \ + (y) = (y) << (n); \ + } \ +} + +#define CLIP_2N(y, n) { \ + int sign = (y) >> 31; \ + if (sign != ((y) >> (n))) { \ + (y) = sign ^ ((1 << (n)) - 1); \ + } \ +} + +enum { + SBR_GRID_FIXFIX = 0, + SBR_GRID_FIXVAR = 1, + SBR_GRID_VARFIX = 2, + SBR_GRID_VARVAR = 3 +}; + +enum { + HuffTabSBR_tEnv15 = 0, + HuffTabSBR_fEnv15 = 1, + HuffTabSBR_tEnv15b = 2, + HuffTabSBR_fEnv15b = 3, + HuffTabSBR_tEnv30 = 4, + HuffTabSBR_fEnv30 = 5, + HuffTabSBR_tEnv30b = 6, + HuffTabSBR_fEnv30b = 7, + HuffTabSBR_tNoise30 = 8, + HuffTabSBR_fNoise30 = 5, + HuffTabSBR_tNoise30b = 9, + HuffTabSBR_fNoise30b = 7 +}; + +typedef struct _HuffInfo { + int maxBits; /* number of bits in longest codeword */ + unsigned char count[MAX_HUFF_BITS]; /* count[i] = number of codes with length i+1 bits */ + int offset; /* offset into symbol table */ +} HuffInfo; + +/* need one SBRHeader per element (SCE/CPE), updated only on new header */ +typedef struct _SBRHeader { + int count; + + unsigned char ampRes; + unsigned char startFreq; + unsigned char stopFreq; + unsigned char crossOverBand; + unsigned char resBitsHdr; + unsigned char hdrExtra1; + unsigned char hdrExtra2; + + unsigned char freqScale; + unsigned char alterScale; + unsigned char noiseBands; + + unsigned char limiterBands; + unsigned char limiterGains; + unsigned char interpFreq; + unsigned char smoothMode; +} SBRHeader; + +/* need one SBRGrid per channel, updated every frame */ +typedef struct _SBRGrid { + unsigned char frameClass; + unsigned char ampResFrame; + unsigned char pointer; + + unsigned char numEnv; /* L_E */ + unsigned char envTimeBorder[MAX_NUM_ENV + 1]; /* t_E */ + unsigned char freqRes[MAX_NUM_ENV]; /* r */ + + unsigned char numNoiseFloors; /* L_Q */ + unsigned char noiseTimeBorder[MAX_NUM_NOISE_FLOORS + 1]; /* t_Q */ + + unsigned char numEnvPrev; + unsigned char numNoiseFloorsPrev; + unsigned char freqResPrev; +} SBRGrid; + +/* need one SBRFreq per element (SCE/CPE/LFE), updated only on header reset */ +typedef struct _SBRFreq { + int kStart; /* k_x */ + int nMaster; + int nHigh; + int nLow; + int nLimiter; /* N_l */ + int numQMFBands; /* M */ + int numNoiseFloorBands; /* Nq */ + + int kStartPrev; + int numQMFBandsPrev; + + unsigned char freqMaster[MAX_QMF_BANDS + 1]; /* not necessary to save this after derived tables are generated */ + unsigned char freqHigh[MAX_QMF_BANDS + 1]; + unsigned char freqLow[MAX_QMF_BANDS / 2 + 1]; /* nLow = nHigh - (nHigh >> 1) */ + unsigned char freqNoise[MAX_NUM_NOISE_FLOOR_BANDS + 1]; + unsigned char freqLimiter[MAX_QMF_BANDS / 2 + MAX_NUM_PATCHES]; /* max (intermediate) size = nLow + numPatches - 1 */ + + unsigned char numPatches; + unsigned char patchNumSubbands[MAX_NUM_PATCHES + 1]; + unsigned char patchStartSubband[MAX_NUM_PATCHES + 1]; +} SBRFreq; + +typedef struct _SBRChan { + int reset; + unsigned char deltaFlagEnv[MAX_NUM_ENV]; + unsigned char deltaFlagNoise[MAX_NUM_NOISE_FLOORS]; + + signed char envDataQuant[MAX_NUM_ENV][MAX_QMF_BANDS]; /* range = [0, 127] */ + signed char noiseDataQuant[MAX_NUM_NOISE_FLOORS][MAX_NUM_NOISE_FLOOR_BANDS]; + + unsigned char invfMode[2][MAX_NUM_NOISE_FLOOR_BANDS]; /* invfMode[0/1][band] = prev/curr */ + int chirpFact[MAX_NUM_NOISE_FLOOR_BANDS]; /* bwArray */ + unsigned char addHarmonicFlag[2]; /* addHarmonicFlag[0/1] = prev/curr */ + unsigned char addHarmonic[2][64]; /* addHarmonic[0/1][band] = prev/curr */ + + int gbMask[2]; /* gbMask[0/1] = XBuf[0-31]/XBuf[32-39] */ + signed char laPrev; + + int noiseTabIndex; + int sinIndex; + int gainNoiseIndex; + int gTemp[MAX_NUM_SMOOTH_COEFS][MAX_QMF_BANDS]; + int qTemp[MAX_NUM_SMOOTH_COEFS][MAX_QMF_BANDS]; + +} SBRChan; + +typedef struct _PSInfoSBR { + /* save for entire file */ + int frameCount; + int sampRateIdx; + + /* state info that must be saved for each channel */ + SBRHeader sbrHdr[AAC_MAX_NCHANS]; + SBRGrid sbrGrid[AAC_MAX_NCHANS]; + SBRFreq sbrFreq[AAC_MAX_NCHANS]; + SBRChan sbrChan[AAC_MAX_NCHANS]; + + /* temp variables, no need to save between blocks */ + unsigned char dataExtra; + unsigned char resBitsData; + unsigned char extendedDataPresent; + int extendedDataSize; + + signed char envDataDequantScale[MAX_NCHANS_ELEM][MAX_NUM_ENV]; + int envDataDequant[MAX_NCHANS_ELEM][MAX_NUM_ENV][MAX_QMF_BANDS]; + int noiseDataDequant[MAX_NCHANS_ELEM][MAX_NUM_NOISE_FLOORS][MAX_NUM_NOISE_FLOOR_BANDS]; + + int eCurr[MAX_QMF_BANDS]; + unsigned char eCurrExp[MAX_QMF_BANDS]; + unsigned char eCurrExpMax; + signed char la; + + int crcCheckWord; + int couplingFlag; + int envBand; + int eOMGainMax; + int gainMax; + int gainMaxFBits; + int noiseFloorBand; + int qp1Inv; + int qqp1Inv; + int sMapped; + int sBand; + int highBand; + + int sumEOrigMapped; + int sumECurrGLim; + int sumSM; + int sumQM; + int gLimBoost[MAX_QMF_BANDS]; + int qmLimBoost[MAX_QMF_BANDS]; + int smBoost[MAX_QMF_BANDS]; + + int smBuf[MAX_QMF_BANDS]; + int qmLimBuf[MAX_QMF_BANDS]; + int gLimBuf[MAX_QMF_BANDS]; + int gLimFbits[MAX_QMF_BANDS]; + + int gFiltLast[MAX_QMF_BANDS]; + int qFiltLast[MAX_QMF_BANDS]; + + /* large buffers */ + int delayIdxQMFA[AAC_MAX_NCHANS]; + int delayQMFA[AAC_MAX_NCHANS][DELAY_SAMPS_QMFA]; + int delayIdxQMFS[AAC_MAX_NCHANS]; + int delayQMFS[AAC_MAX_NCHANS][DELAY_SAMPS_QMFS]; + int XBufDelay[AAC_MAX_NCHANS][HF_GEN][64][2]; + int XBuf[32 + 8][64][2]; + +} PSInfoSBR; + +/* sbrfft.c */ +void FFT32C(int *x); + +/* sbrfreq.c */ +int CalcFreqTables(SBRHeader *sbrHdr, SBRFreq *sbrFreq, int sampRateIdx); + +/* sbrhfadj.c */ +int AdjustHighFreq(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch); + +/* sbrhfgen.c */ +int GenerateHighFreq(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch); + +/* sbrhuff.c */ +int DecodeSBREnvelope(BitStreamInfo *bsi, PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch); +int DecodeSBRNoise(BitStreamInfo *bsi, PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch); +void UncoupleSBREnvelope(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChanR); +void UncoupleSBRNoise(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChanR); + +/* sbrmath.c */ +int InvRNormalized(int r); +int RatioPowInv(int a, int b, int c); +int SqrtFix(int x, int fBitsIn, int *fBitsOut); + +/* sbrqmf.c */ +int QMFAnalysis(int *inbuf, int *delay, int *XBuf, int fBitsIn, int *delayIdx, int qmfaBands); +void QMFSynthesis(int *inbuf, int *delay, int *delayIdx, int qmfsBands, short *outbuf, int nChans); + +/* sbrside.c */ +int GetSampRateIdx(int sampRate); +int UnpackSBRHeader(BitStreamInfo *bsi, SBRHeader *sbrHdr); +int UnpackSBRSingleChannel(BitStreamInfo *bsi, PSInfoSBR *psi, int chOut); +int UnpackSBRChannelPair(BitStreamInfo *bsi, PSInfoSBR *psi, int chOut); + +/* sbrtabs.c */ +extern const unsigned char k0Tab[NUM_SAMPLE_RATES_SBR][16]; +extern const unsigned char k2Tab[NUM_SAMPLE_RATES_SBR][14]; +extern const unsigned char goalSBTab[NUM_SAMPLE_RATES_SBR]; +extern const HuffInfo huffTabSBRInfo[10]; +extern const signed short huffTabSBR[604]; +extern const int log2Tab[65]; +extern const int noiseTab[512 * 2]; +extern const int cTabA[165]; +extern const int cTabS[640]; + +#endif /* _SBR_H */ diff --git a/audio_codec/libfaad/helixaac/sbrfft.c b/audio_codec/libfaad/helixaac/sbrfft.c new file mode 100644 index 0000000..2f74fc5 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/sbrfft.c @@ -0,0 +1,368 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrfft.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * sbrfft.c - optimized FFT for SBR QMF filters + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +#define SQRT1_2 0x5a82799a + +/* swap RE{p0} with RE{p1} and IM{P0} with IM{P1} */ +#define swapcplx(p0,p1) \ + t = p0; t1 = *(&(p0)+1); p0 = p1; *(&(p0)+1) = *(&(p1)+1); p1 = t; *(&(p1)+1) = t1 + +/* nfft = 32, hard coded since small, fixed size FFT +static const unsigned char bitrevtab32[9] = { + 0x01, 0x04, 0x03, 0x06, 0x00, 0x02, 0x05, 0x07, 0x00, +}; +*/ + +/* twiddle table for radix 4 pass, format = Q31 */ +static const int twidTabOdd32[8 * 6] = { + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x539eba45, 0xe7821d59, + 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, + 0x539eba45, 0xc4df2862, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x22a2f4f8, 0xc4df2862, + 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, + 0xac6145bb, 0x187de2a7, 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, +}; + +/************************************************************************************** + * Function: BitReverse32 + * + * Description: Ken's fast in-place bit reverse + * + * Inputs: buffer of 32 complex samples + * + * Outputs: bit-reversed samples in same buffer + * + * Return: none +**************************************************************************************/ +static void BitReverse32(int *inout) +{ + int t, t1; + + swapcplx(inout[2], inout[32]); + swapcplx(inout[4], inout[16]); + swapcplx(inout[6], inout[48]); + swapcplx(inout[10], inout[40]); + swapcplx(inout[12], inout[24]); + swapcplx(inout[14], inout[56]); + swapcplx(inout[18], inout[36]); + swapcplx(inout[22], inout[52]); + swapcplx(inout[26], inout[44]); + swapcplx(inout[30], inout[60]); + swapcplx(inout[38], inout[50]); + swapcplx(inout[46], inout[58]); +} + +/************************************************************************************** + * Function: R8FirstPass32 + * + * Description: radix-8 trivial pass for decimation-in-time FFT (log2(N) = 5) + * + * Inputs: buffer of (bit-reversed) samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 3 guard bits, gains 1 integer bit + * guard bits out = guard bits in - 3 (if inputs are full scale) + * or guard bits in - 2 (if inputs bounded to +/- sqrt(2)/2) + * see scaling comments in fft.c for base AAC + * should compile with no stack spills on ARM (verify compiled output) + * current instruction count (per pass): 16 LDR, 16 STR, 4 SMULL, 61 ALU + **************************************************************************************/ +static void R8FirstPass32(int *r0) +{ + int r1, r2, r3, r4, r5, r6, r7; + int r8, r9, r10, r11, r12, r14; + + /* number of passes = fft size / 8 = 32 / 8 = 4 */ + r1 = (32 >> 3); + do { + + r2 = r0[8]; + r3 = r0[9]; + r4 = r0[10]; + r5 = r0[11]; + r6 = r0[12]; + r7 = r0[13]; + r8 = r0[14]; + r9 = r0[15]; + + r10 = r2 + r4; + r11 = r3 + r5; + r12 = r6 + r8; + r14 = r7 + r9; + + r2 -= r4; + r3 -= r5; + r6 -= r8; + r7 -= r9; + + r4 = r2 - r7; + r5 = r2 + r7; + r8 = r3 - r6; + r9 = r3 + r6; + + r2 = r4 - r9; + r3 = r4 + r9; + r6 = r5 - r8; + r7 = r5 + r8; + + r2 = MULSHIFT32(SQRT1_2, r2); /* can use r4, r5, r8, or r9 for constant and lo32 scratch reg */ + r3 = MULSHIFT32(SQRT1_2, r3); + r6 = MULSHIFT32(SQRT1_2, r6); + r7 = MULSHIFT32(SQRT1_2, r7); + + r4 = r10 + r12; + r5 = r10 - r12; + r8 = r11 + r14; + r9 = r11 - r14; + + r10 = r0[0]; + r11 = r0[2]; + r12 = r0[4]; + r14 = r0[6]; + + r10 += r11; + r12 += r14; + + r4 >>= 1; + r10 += r12; + r4 += (r10 >> 1); + r0[ 0] = r4; + r4 -= (r10 >> 1); + r4 = (r10 >> 1) - r4; + r0[ 8] = r4; + + r9 >>= 1; + r10 -= 2 * r12; + r4 = (r10 >> 1) + r9; + r0[ 4] = r4; + r4 = (r10 >> 1) - r9; + r0[12] = r4; + r10 += r12; + + r10 -= 2 * r11; + r12 -= 2 * r14; + + r4 = r0[1]; + r9 = r0[3]; + r11 = r0[5]; + r14 = r0[7]; + + r4 += r9; + r11 += r14; + + r8 >>= 1; + r4 += r11; + r8 += (r4 >> 1); + r0[ 1] = r8; + r8 -= (r4 >> 1); + r8 = (r4 >> 1) - r8; + r0[ 9] = r8; + + r5 >>= 1; + r4 -= 2 * r11; + r8 = (r4 >> 1) - r5; + r0[ 5] = r8; + r8 = (r4 >> 1) + r5; + r0[13] = r8; + r4 += r11; + + r4 -= 2 * r9; + r11 -= 2 * r14; + + r9 = r10 - r11; + r10 += r11; + r14 = r4 + r12; + r4 -= r12; + + r5 = (r10 >> 1) + r7; + r8 = (r4 >> 1) - r6; + r0[ 2] = r5; + r0[ 3] = r8; + + r5 = (r9 >> 1) - r2; + r8 = (r14 >> 1) - r3; + r0[ 6] = r5; + r0[ 7] = r8; + + r5 = (r10 >> 1) - r7; + r8 = (r4 >> 1) + r6; + r0[10] = r5; + r0[11] = r8; + + r5 = (r9 >> 1) + r2; + r8 = (r14 >> 1) + r3; + r0[14] = r5; + r0[15] = r8; + + r0 += 16; + r1--; + } while (r1 != 0); +} + +/************************************************************************************** + * Function: R4Core32 + * + * Description: radix-4 pass for 32-point decimation-in-time FFT + * + * Inputs: buffer of samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: gain 2 integer bits + * guard bits out = guard bits in - 1 (if inputs are full scale) + * see scaling comments in fft.c for base AAC + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + * should compile with no stack spills on ARM (verify compiled output) + * current instruction count (per pass): 16 LDR, 16 STR, 4 SMULL, 61 ALU + **************************************************************************************/ +static void R4Core32(int *r0) +{ + int r2, r3, r4, r5, r6, r7; + int r8, r9, r10, r12, r14; + int *r1; + + r1 = (int *)twidTabOdd32; + r10 = 8; + do { + /* can use r14 for lo32 scratch register in all MULSHIFT32 */ + r2 = r1[0]; + r3 = r1[1]; + r4 = r0[16]; + r5 = r0[17]; + r12 = r4 + r5; + r12 = MULSHIFT32(r3, r12); + r5 = MULSHIFT32(r2, r5) + r12; + r2 += 2 * r3; + r4 = MULSHIFT32(r2, r4) - r12; + + r2 = r1[2]; + r3 = r1[3]; + r6 = r0[32]; + r7 = r0[33]; + r12 = r6 + r7; + r12 = MULSHIFT32(r3, r12); + r7 = MULSHIFT32(r2, r7) + r12; + r2 += 2 * r3; + r6 = MULSHIFT32(r2, r6) - r12; + + r2 = r1[4]; + r3 = r1[5]; + r8 = r0[48]; + r9 = r0[49]; + r12 = r8 + r9; + r12 = MULSHIFT32(r3, r12); + r9 = MULSHIFT32(r2, r9) + r12; + r2 += 2 * r3; + r8 = MULSHIFT32(r2, r8) - r12; + + r2 = r0[0]; + r3 = r0[1]; + + r12 = r6 + r8; + r8 = r6 - r8; + r14 = r9 - r7; + r9 = r9 + r7; + + r6 = (r2 >> 2) - r4; + r7 = (r3 >> 2) - r5; + r4 += (r2 >> 2); + r5 += (r3 >> 2); + + r2 = r4 + r12; + r3 = r5 + r9; + r0[0] = r2; + r0[1] = r3; + r2 = r6 - r14; + r3 = r7 - r8; + r0[16] = r2; + r0[17] = r3; + r2 = r4 - r12; + r3 = r5 - r9; + r0[32] = r2; + r0[33] = r3; + r2 = r6 + r14; + r3 = r7 + r8; + r0[48] = r2; + r0[49] = r3; + + r0 += 2; + r1 += 6; + r10--; + } while (r10 != 0); +} + +/************************************************************************************** + * Function: FFT32C + * + * Description: Ken's very fast in-place radix-4 decimation-in-time FFT + * + * Inputs: buffer of 32 complex samples (before bit-reversal) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 3 guard bits in, gains 3 integer bits + * guard bits out = guard bits in - 2 + * (guard bit analysis includes assumptions about steps immediately + * before and after, i.e. PreMul and PostMul for DCT) + **************************************************************************************/ +void FFT32C(int *x) +{ + /* decimation in time */ + BitReverse32(x); + + /* 32-point complex FFT */ + R8FirstPass32(x); /* gain 1 int bit, lose 2 GB (making assumptions about input) */ + R4Core32(x); /* gain 2 int bits, lose 0 GB (making assumptions about input) */ +} diff --git a/audio_codec/libfaad/helixaac/sbrfreq.c b/audio_codec/libfaad/helixaac/sbrfreq.c new file mode 100644 index 0000000..5d4b331 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/sbrfreq.c @@ -0,0 +1,673 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrfreq.c,v 1.2 2005/05/20 18:05:41 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrfreq.c - frequency band table calculation for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +/************************************************************************************** + * Function: BubbleSort + * + * Description: in-place sort of unsigned chars + * + * Inputs: buffer of elements to sort + * number of elements to sort + * + * Outputs: sorted buffer + * + * Return: none + **************************************************************************************/ +static void BubbleSort(unsigned char *v, int nItems) +{ + int i; + unsigned char t; + + while (nItems >= 2) { + for (i = 0; i < nItems - 1; i++) { + if (v[i + 1] < v[i]) { + t = v[i + 1]; + v[i + 1] = v[i]; + v[i] = t; + } + } + nItems--; + } +} + +/************************************************************************************** + * Function: VMin + * + * Description: find smallest element in a buffer of unsigned chars + * + * Inputs: buffer of elements to search + * number of elements to search + * + * Outputs: none + * + * Return: smallest element in buffer + **************************************************************************************/ +static unsigned char VMin(unsigned char *v, int nItems) +{ + int i; + unsigned char vMin; + + vMin = v[0]; + for (i = 1; i < nItems; i++) { + if (v[i] < vMin) { + vMin = v[i]; + } + } + return vMin; +} + +/************************************************************************************** + * Function: VMax + * + * Description: find largest element in a buffer of unsigned chars + * + * Inputs: buffer of elements to search + * number of elements to search + * + * Outputs: none + * + * Return: largest element in buffer + **************************************************************************************/ +static unsigned char VMax(unsigned char *v, int nItems) +{ + int i; + unsigned char vMax; + + vMax = v[0]; + for (i = 1; i < nItems; i++) { + if (v[i] > vMax) { + vMax = v[i]; + } + } + return vMax; +} + +/************************************************************************************** + * Function: CalcFreqMasterScaleZero + * + * Description: calculate master frequency table when freqScale == 0 + * (4.6.18.3.2.1, figure 4.39) + * + * Inputs: alterScale flag + * index of first QMF subband in master freq table (k0) + * index of last QMF subband (k2) + * + * Outputs: master frequency table + * + * Return: number of bands in master frequency table + * + * Notes: assumes k2 - k0 <= 48 and k2 >= k0 (4.6.18.3.6) + **************************************************************************************/ +static int CalcFreqMasterScaleZero(unsigned char *freqMaster, int alterScale, int k0, int k2) +{ + int nMaster, k, nBands, k2Achieved, dk, vDk[64], k2Diff; + + if (alterScale) { + dk = 2; + nBands = 2 * ((k2 - k0 + 2) >> 2); + } else { + dk = 1; + nBands = 2 * ((k2 - k0) >> 1); + } + + if (nBands <= 0) { + return 0; + } + + k2Achieved = k0 + nBands * dk; + k2Diff = k2 - k2Achieved; + for (k = 0; k < nBands; k++) { + vDk[k] = dk; + } + + if (k2Diff > 0) { + k = nBands - 1; + while (k2Diff) { + vDk[k]++; + k--; + k2Diff--; + } + } else if (k2Diff < 0) { + k = 0; + while (k2Diff) { + vDk[k]--; + k++; + k2Diff++; + } + } + + nMaster = nBands; + freqMaster[0] = k0; + for (k = 1; k <= nBands; k++) { + freqMaster[k] = freqMaster[k - 1] + vDk[k - 1]; + } + + return nMaster; +} + +/* mBandTab[i] = temp1[i] / 2 */ +static const int mBandTab[3] = {6, 5, 4}; + +/* invWarpTab[i] = 1.0 / temp2[i], Q30 (see 4.6.18.3.2.1) */ +static const int invWarpTab[2] = {0x40000000, 0x313b13b1}; + +/************************************************************************************** + * Function: CalcFreqMasterScale + * + * Description: calculate master frequency table when freqScale > 0 + * (4.6.18.3.2.1, figure 4.39) + * + * Inputs: alterScale flag + * freqScale flag + * index of first QMF subband in master freq table (k0) + * index of last QMF subband (k2) + * + * Outputs: master frequency table + * + * Return: number of bands in master frequency table + * + * Notes: assumes k2 - k0 <= 48 and k2 >= k0 (4.6.18.3.6) + **************************************************************************************/ +static int CalcFreqMaster(unsigned char *freqMaster, int freqScale, int alterScale, int k0, int k2) +{ + int bands, twoRegions, k, k1, t, vLast, vCurr, pCurr; + int invWarp, nBands0, nBands1, change; + unsigned char vDk1Min, vDk0Max; + unsigned char *vDelta; + + if (freqScale < 1 || freqScale > 3) { + return -1; + } + + bands = mBandTab[freqScale - 1]; + invWarp = invWarpTab[alterScale]; + + /* tested for all k0 = [5, 64], k2 = [k0, 64] */ + if (k2 * 10000 > 22449 * k0) { + twoRegions = 1; + k1 = 2 * k0; + } else { + twoRegions = 0; + k1 = k2; + } + + /* tested for all k0 = [5, 64], k1 = [k0, 64], freqScale = [1,3] */ + t = (log2Tab[k1] - log2Tab[k0]) >> 3; /* log2(k1/k0), Q28 to Q25 */ + nBands0 = 2 * (((bands * t) + (1 << 24)) >> 25); /* multiply by bands/2, round to nearest int (mBandTab has factor of 1/2 rolled in) */ + + /* tested for all valid combinations of k0, k1, nBands (from sampRate, freqScale, alterScale) + * roundoff error can be a problem with fixpt (e.g. pCurr = 12.499999 instead of 12.50003) + * because successive multiplication always undershoots a little bit, but this + * doesn't occur in any of the ratios we encounter from the valid k0/k1 bands in the spec + */ + t = RatioPowInv(k1, k0, nBands0); + pCurr = k0 << 24; + vLast = k0; + vDelta = freqMaster + 1; /* operate in-place */ + for (k = 0; k < nBands0; k++) { + pCurr = MULSHIFT32(pCurr, t) << 8; /* keep in Q24 */ + vCurr = (pCurr + (1 << 23)) >> 24; + vDelta[k] = (vCurr - vLast); + vLast = vCurr; + } + + /* sort the deltas and find max delta for first region */ + BubbleSort(vDelta, nBands0); + vDk0Max = VMax(vDelta, nBands0); + + /* fill master frequency table with bands from first region */ + freqMaster[0] = k0; + for (k = 1; k <= nBands0; k++) { + freqMaster[k] += freqMaster[k - 1]; + } + + /* if only one region, then the table is complete */ + if (!twoRegions) { + return nBands0; + } + + /* tested for all k1 = [10, 64], k2 = [k0, 64], freqScale = [1,3] */ + t = (log2Tab[k2] - log2Tab[k1]) >> 3; /* log2(k1/k0), Q28 to Q25 */ + t = MULSHIFT32(bands * t, invWarp) << 2; /* multiply by bands/2, divide by warp factor, keep Q25 */ + nBands1 = 2 * ((t + (1 << 24)) >> 25); /* round to nearest int */ + + /* see comments above for calculations in first region */ + t = RatioPowInv(k2, k1, nBands1); + pCurr = k1 << 24; + vLast = k1; + vDelta = freqMaster + nBands0 + 1; /* operate in-place */ + for (k = 0; k < nBands1; k++) { + pCurr = MULSHIFT32(pCurr, t) << 8; /* keep in Q24 */ + vCurr = (pCurr + (1 << 23)) >> 24; + vDelta[k] = (vCurr - vLast); + vLast = vCurr; + } + + /* sort the deltas, adjusting first and last if the second region has smaller deltas than the first */ + vDk1Min = VMin(vDelta, nBands1); + if (vDk1Min < vDk0Max) { + BubbleSort(vDelta, nBands1); + change = vDk0Max - vDelta[0]; + if (change > ((vDelta[nBands1 - 1] - vDelta[0]) >> 1)) { + change = ((vDelta[nBands1 - 1] - vDelta[0]) >> 1); + } + vDelta[0] += change; + vDelta[nBands1 - 1] -= change; + } + BubbleSort(vDelta, nBands1); + + /* fill master frequency table with bands from second region + * Note: freqMaster[nBands0] = k1 + */ + for (k = 1; k <= nBands1; k++) { + freqMaster[k + nBands0] += freqMaster[k + nBands0 - 1]; + } + + return (nBands0 + nBands1); +} + +/************************************************************************************** + * Function: CalcFreqHigh + * + * Description: calculate high resolution frequency table (4.6.18.3.2.2) + * + * Inputs: master frequency table + * number of bands in master frequency table + * crossover band from header + * + * Outputs: high resolution frequency table + * + * Return: number of bands in high resolution frequency table + **************************************************************************************/ +static int CalcFreqHigh(unsigned char *freqHigh, unsigned char *freqMaster, int nMaster, int crossOverBand) +{ + int k, nHigh; + + nHigh = nMaster - crossOverBand; + + for (k = 0; k <= nHigh; k++) { + freqHigh[k] = freqMaster[k + crossOverBand]; + } + + return nHigh; +} + +/************************************************************************************** + * Function: CalcFreqLow + * + * Description: calculate low resolution frequency table (4.6.18.3.2.2) + * + * Inputs: high resolution frequency table + * number of bands in high resolution frequency table + * + * Outputs: low resolution frequency table + * + * Return: number of bands in low resolution frequency table + **************************************************************************************/ +static int CalcFreqLow(unsigned char *freqLow, unsigned char *freqHigh, int nHigh) +{ + int k, nLow, oddFlag; + + nLow = nHigh - (nHigh >> 1); + freqLow[0] = freqHigh[0]; + oddFlag = nHigh & 0x01; + + for (k = 1; k <= nLow; k++) { + freqLow[k] = freqHigh[2 * k - oddFlag]; + } + + return nLow; +} + +/************************************************************************************** + * Function: CalcFreqNoise + * + * Description: calculate noise floor frequency table (4.6.18.3.2.2) + * + * Inputs: low resolution frequency table + * number of bands in low resolution frequency table + * index of starting QMF subband for SBR (kStart) + * index of last QMF subband (k2) + * number of noise bands + * + * Outputs: noise floor frequency table + * + * Return: number of bands in noise floor frequency table + **************************************************************************************/ +static int CalcFreqNoise(unsigned char *freqNoise, unsigned char *freqLow, int nLow, int kStart, int k2, int noiseBands, int *err) +{ + int i, iLast, k, nQ, lTop, lBottom; + + lTop = log2Tab[k2]; + lBottom = log2Tab[kStart]; + nQ = noiseBands * ((lTop - lBottom) >> 2); /* Q28 to Q26, noiseBands = [0,3] */ + nQ = (nQ + (1 << 25)) >> 26; + if (nQ < 1) { + nQ = 1; + } + + if (!(nQ <= MAX_NUM_NOISE_FLOOR_BANDS)) { /* required from 4.6.18.3.6 */ + *err = ERR_AAC_SPEC_NOT_MATCH; + return ERR_AAC_SPEC_NOT_MATCH; + } + + iLast = 0; + freqNoise[0] = freqLow[0]; + for (k = 1; k <= nQ; k++) { + i = iLast + (nLow - iLast) / (nQ + 1 - k); /* truncating division */ + freqNoise[k] = freqLow[i]; + iLast = i; + } + + return nQ; +} + +/************************************************************************************** + * Function: BuildPatches + * + * Description: build high frequency patches (4.6.18.6.3) + * + * Inputs: master frequency table + * number of bands in low resolution frequency table + * index of first QMF subband in master freq table (k0) + * index of starting QMF subband for SBR (kStart) + * number of QMF bands in high resolution frequency table + * sample rate index + * + * Outputs: starting subband for each patch + * number of subbands in each patch + * + * Return: number of patches + **************************************************************************************/ +static int BuildPatches(unsigned char *patchNumSubbands, unsigned char *patchStartSubband, unsigned char *freqMaster, + int nMaster, int k0, int kStart, int numQMFBands, int sampRateIdx) +{ + int i, j, k; + int msb, sb, usb, numPatches, goalSB, oddFlag; + + msb = k0; + usb = kStart; + numPatches = 0; + goalSB = goalSBTab[sampRateIdx]; + + if (nMaster == 0) { + patchNumSubbands[0] = 0; + patchStartSubband[0] = 0; + return 0; + } + + if (goalSB < kStart + numQMFBands) { + k = 0; + for (i = 0; freqMaster[i] < goalSB; i++) { + k = i + 1; + } + } else { + k = nMaster; + } + + do { + j = k + 1; + do { + j--; + sb = freqMaster[j]; + oddFlag = (sb - 2 + k0) & 0x01; + } while (sb > k0 - 1 + msb - oddFlag); + + patchNumSubbands[numPatches] = MAX(sb - usb, 0); + patchStartSubband[numPatches] = k0 - oddFlag - patchNumSubbands[numPatches]; + + /* from MPEG reference code - slightly different from spec */ + if ((patchNumSubbands[numPatches] < 3) && (numPatches > 0)) { + break; + } + + if (patchNumSubbands[numPatches] > 0) { + usb = sb; + msb = sb; + numPatches++; + } else { + msb = kStart; + } + + if (freqMaster[k] - sb < 3) { + k = nMaster; + } + + } while (sb != (kStart + numQMFBands) && numPatches <= MAX_NUM_PATCHES); + + return numPatches; +} + +/************************************************************************************** + * Function: FindFreq + * + * Description: search buffer of unsigned chars for a specific value + * + * Inputs: buffer of elements to search + * number of elements to search + * value to search for + * + * Outputs: none + * + * Return: non-zero if the value is found anywhere in the buffer, zero otherwise + **************************************************************************************/ +static int FindFreq(unsigned char *freq, int nFreq, unsigned char val) +{ + int k; + + for (k = 0; k < nFreq; k++) { + if (freq[k] == val) { + return 1; + } + } + + return 0; +} + +/************************************************************************************** + * Function: RemoveFreq + * + * Description: remove one element from a buffer of unsigned chars + * + * Inputs: buffer of elements + * number of elements + * index of element to remove + * + * Outputs: new buffer of length nFreq-1 + * + * Return: none + **************************************************************************************/ +static void RemoveFreq(unsigned char *freq, int nFreq, int removeIdx) +{ + int k; + + if (removeIdx >= nFreq) { + return; + } + + for (k = removeIdx; k < nFreq - 1; k++) { + freq[k] = freq[k + 1]; + } +} + +/************************************************************************************** + * Function: CalcFreqLimiter + * + * Description: calculate limiter frequency table (4.6.18.3.2.3) + * + * Inputs: number of subbands in each patch + * low resolution frequency table + * number of bands in low resolution frequency table + * index of starting QMF subband for SBR (kStart) + * number of limiter bands + * number of patches + * + * Outputs: limiter frequency table + * + * Return: number of bands in limiter frequency table + **************************************************************************************/ +static int CalcFreqLimiter(unsigned char *freqLimiter, unsigned char *patchNumSubbands, unsigned char *freqLow, + int nLow, int kStart, int limiterBands, int numPatches) +{ + int k, bands, nLimiter, nOctaves; + int limBandsPerOctave[3] = {120, 200, 300}; /* [1.2, 2.0, 3.0] * 100 */ + unsigned char patchBorders[MAX_NUM_PATCHES + 1]; + + /* simple case */ + if (limiterBands == 0) { + freqLimiter[0] = freqLow[0] - kStart; + freqLimiter[1] = freqLow[nLow] - kStart; + return 1; + } + + bands = limBandsPerOctave[limiterBands - 1]; + patchBorders[0] = kStart; + + /* from MPEG reference code - slightly different from spec (top border) */ + for (k = 1; k < numPatches; k++) { + patchBorders[k] = patchBorders[k - 1] + patchNumSubbands[k - 1]; + } + patchBorders[k] = freqLow[nLow]; + + for (k = 0; k <= nLow; k++) { + freqLimiter[k] = freqLow[k]; + } + + for (k = 1; k < numPatches; k++) { + freqLimiter[k + nLow] = patchBorders[k]; + } + + k = 1; + nLimiter = nLow + numPatches - 1; + BubbleSort(freqLimiter, nLimiter + 1); + + while (k <= nLimiter) { + nOctaves = log2Tab[freqLimiter[k]] - log2Tab[freqLimiter[k - 1]]; /* Q28 */ + nOctaves = (nOctaves >> 9) * bands; /* Q19, max bands = 300 < 2^9 */ + if (nOctaves < (49 << 19)) { /* compare with 0.49*100, in Q19 */ + if (freqLimiter[k] == freqLimiter[k - 1] || FindFreq(patchBorders, numPatches + 1, freqLimiter[k]) == 0) { + RemoveFreq(freqLimiter, nLimiter + 1, k); + nLimiter--; + } else if (FindFreq(patchBorders, numPatches + 1, freqLimiter[k - 1]) == 0) { + RemoveFreq(freqLimiter, nLimiter + 1, k - 1); + nLimiter--; + } else { + k++; + } + } else { + k++; + } + } + + /* store limiter boundaries as offsets from kStart */ + for (k = 0; k <= nLimiter; k++) { + freqLimiter[k] -= kStart; + } + + return nLimiter; +} + +/************************************************************************************** + * Function: CalcFreqTables + * + * Description: calulate master and derived frequency tables, and patches + * + * Inputs: initialized SBRHeader struct for this SCE/CPE block + * initialized SBRFreq struct for this SCE/CPE block + * sample rate index of output sample rate (after SBR) + * + * Outputs: master and derived frequency tables, and patches + * + * Return: non-zero if error, zero otherwise + **************************************************************************************/ +int CalcFreqTables(SBRHeader *sbrHdr, SBRFreq *sbrFreq, int sampRateIdx) +{ + int k0, k2; + int err = ERR_AAC_NONE; + k0 = k0Tab[sampRateIdx][sbrHdr->startFreq]; + + if (sbrHdr->stopFreq == 14) { + k2 = 2 * k0; + } else if (sbrHdr->stopFreq == 15) { + k2 = 3 * k0; + } else { + k2 = k2Tab[sampRateIdx][sbrHdr->stopFreq]; + } + if (k2 > 64) { + k2 = 64; + } + + /* calculate master frequency table */ + if (sbrHdr->freqScale == 0) { + sbrFreq->nMaster = CalcFreqMasterScaleZero(sbrFreq->freqMaster, sbrHdr->alterScale, k0, k2); + } else { + sbrFreq->nMaster = CalcFreqMaster(sbrFreq->freqMaster, sbrHdr->freqScale, sbrHdr->alterScale, k0, k2); + } + + /* calculate high frequency table and related parameters */ + sbrFreq->nHigh = CalcFreqHigh(sbrFreq->freqHigh, sbrFreq->freqMaster, sbrFreq->nMaster, sbrHdr->crossOverBand); + sbrFreq->numQMFBands = sbrFreq->freqHigh[sbrFreq->nHigh] - sbrFreq->freqHigh[0]; + sbrFreq->kStart = sbrFreq->freqHigh[0]; + + /* calculate low frequency table */ + sbrFreq->nLow = CalcFreqLow(sbrFreq->freqLow, sbrFreq->freqHigh, sbrFreq->nHigh); + + /* calculate noise floor frequency table */ + sbrFreq->numNoiseFloorBands = CalcFreqNoise(sbrFreq->freqNoise, sbrFreq->freqLow, sbrFreq->nLow, sbrFreq->kStart, k2, sbrHdr->noiseBands, &err); + if (err) { + return err; + } + + /* calculate limiter table */ + sbrFreq->numPatches = BuildPatches(sbrFreq->patchNumSubbands, sbrFreq->patchStartSubband, sbrFreq->freqMaster, + sbrFreq->nMaster, k0, sbrFreq->kStart, sbrFreq->numQMFBands, sampRateIdx); + sbrFreq->nLimiter = CalcFreqLimiter(sbrFreq->freqLimiter, sbrFreq->patchNumSubbands, sbrFreq->freqLow, sbrFreq->nLow, sbrFreq->kStart, + sbrHdr->limiterBands, sbrFreq->numPatches); + + return ERR_AAC_NONE; +} diff --git a/audio_codec/libfaad/helixaac/sbrhfadj.c b/audio_codec/libfaad/helixaac/sbrhfadj.c new file mode 100644 index 0000000..d0a85ac --- a/dev/null +++ b/audio_codec/libfaad/helixaac/sbrhfadj.c @@ -0,0 +1,882 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrhfadj.c,v 1.1.2.3 2005/05/24 20:34:40 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrhfadj.c - high frequency adjustment for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +/* invBandTab[i] = 1.0 / (i + 1), Q31 */ +static const int invBandTab[64] = { + 0x7fffffff, 0x40000000, 0x2aaaaaab, 0x20000000, 0x1999999a, 0x15555555, 0x12492492, 0x10000000, + 0x0e38e38e, 0x0ccccccd, 0x0ba2e8ba, 0x0aaaaaab, 0x09d89d8a, 0x09249249, 0x08888889, 0x08000000, + 0x07878788, 0x071c71c7, 0x06bca1af, 0x06666666, 0x06186186, 0x05d1745d, 0x0590b216, 0x05555555, + 0x051eb852, 0x04ec4ec5, 0x04bda12f, 0x04924925, 0x0469ee58, 0x04444444, 0x04210842, 0x04000000, + 0x03e0f83e, 0x03c3c3c4, 0x03a83a84, 0x038e38e4, 0x03759f23, 0x035e50d8, 0x03483483, 0x03333333, + 0x031f3832, 0x030c30c3, 0x02fa0be8, 0x02e8ba2f, 0x02d82d83, 0x02c8590b, 0x02b93105, 0x02aaaaab, + 0x029cbc15, 0x028f5c29, 0x02828283, 0x02762762, 0x026a439f, 0x025ed098, 0x0253c825, 0x02492492, + 0x023ee090, 0x0234f72c, 0x022b63cc, 0x02222222, 0x02192e2a, 0x02108421, 0x02082082, 0x02000000, +}; + +/************************************************************************************** + * Function: EstimateEnvelope + * + * Description: estimate power of generated HF QMF bands in one time-domain envelope + * (4.6.18.7.3) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * index of current envelope + * + * Outputs: power of each QMF subband, stored as integer (Q0) * 2^N, N >= 0 + * + * Return: none + **************************************************************************************/ +static void EstimateEnvelope(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, int env) +{ + int i, m, iStart, iEnd, xre, xim, nScale, expMax; + int p, n, mStart, mEnd, invFact, t; + int *XBuf; + U64 eCurr; + unsigned char *freqBandTab; + + /* estimate current envelope */ + iStart = sbrGrid->envTimeBorder[env] + HF_ADJ; + iEnd = sbrGrid->envTimeBorder[env + 1] + HF_ADJ; + if (sbrGrid->freqRes[env]) { + n = sbrFreq->nHigh; + freqBandTab = sbrFreq->freqHigh; + } else { + n = sbrFreq->nLow; + freqBandTab = sbrFreq->freqLow; + } + + /* ADS should inline MADD64 (smlal) properly, but check to make sure */ + expMax = 0; + if (sbrHdr->interpFreq) { + for (m = 0; m < sbrFreq->numQMFBands; m++) { + eCurr.w64 = 0; + XBuf = psi->XBuf[iStart][sbrFreq->kStart + m]; + for (i = iStart; i < iEnd; i++) { + /* scale to int before calculating power (precision not critical, and avoids overflow) */ + xre = (*XBuf) >> FBITS_OUT_QMFA; + XBuf += 1; + xim = (*XBuf) >> FBITS_OUT_QMFA; + XBuf += (2 * 64 - 1); + eCurr.w64 = MADD64(eCurr.w64, xre, xre); + eCurr.w64 = MADD64(eCurr.w64, xim, xim); + } + + /* eCurr.w64 is now Q(64 - 2*FBITS_OUT_QMFA) (64-bit word) + * if energy is too big to fit in 32-bit word (> 2^31) scale down by power of 2 + */ + nScale = 0; + if (eCurr.r.hi32) { + nScale = (32 - CLZ(eCurr.r.hi32)) + 1; + t = (int)(eCurr.r.lo32 >> nScale); /* logical (unsigned) >> */ + t |= eCurr.r.hi32 << (32 - nScale); + } else if (eCurr.r.lo32 >> 31) { + nScale = 1; + t = (int)(eCurr.r.lo32 >> nScale); /* logical (unsigned) >> */ + } else { + t = (int)eCurr.r.lo32; + } + + invFact = invBandTab[(iEnd - iStart) - 1]; + psi->eCurr[m] = MULSHIFT32(t, invFact); + psi->eCurrExp[m] = nScale + 1; /* +1 for invFact = Q31 */ + if (psi->eCurrExp[m] > expMax) { + expMax = psi->eCurrExp[m]; + } + } + } else { + for (p = 0; p < n; p++) { + mStart = freqBandTab[p]; + mEnd = freqBandTab[p + 1]; + eCurr.w64 = 0; + for (i = iStart; i < iEnd; i++) { + XBuf = psi->XBuf[i][mStart]; + for (m = mStart; m < mEnd; m++) { + xre = (*XBuf++) >> FBITS_OUT_QMFA; + xim = (*XBuf++) >> FBITS_OUT_QMFA; + eCurr.w64 = MADD64(eCurr.w64, xre, xre); + eCurr.w64 = MADD64(eCurr.w64, xim, xim); + } + } + + nScale = 0; + if (eCurr.r.hi32) { + nScale = (32 - CLZ(eCurr.r.hi32)) + 1; + t = (int)(eCurr.r.lo32 >> nScale); /* logical (unsigned) >> */ + t |= eCurr.r.hi32 << (32 - nScale); + } else if (eCurr.r.lo32 >> 31) { + nScale = 1; + t = (int)(eCurr.r.lo32 >> nScale); /* logical (unsigned) >> */ + } else { + t = (int)eCurr.r.lo32; + } + + invFact = invBandTab[(iEnd - iStart) - 1]; + invFact = MULSHIFT32(invBandTab[(mEnd - mStart) - 1], invFact) << 1; + t = MULSHIFT32(t, invFact); + + for (m = mStart; m < mEnd; m++) { + psi->eCurr[m - sbrFreq->kStart] = t; + psi->eCurrExp[m - sbrFreq->kStart] = nScale + 1; /* +1 for invFact = Q31 */ + } + if (psi->eCurrExp[mStart - sbrFreq->kStart] > expMax) { + expMax = psi->eCurrExp[mStart - sbrFreq->kStart]; + } + } + } + psi->eCurrExpMax = expMax; +} + +/************************************************************************************** + * Function: GetSMapped + * + * Description: calculate SMapped (4.6.18.7.2) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current envelope + * index of current QMF band + * la flag for this envelope + * + * Outputs: none + * + * Return: 1 if a sinusoid is present in this band, 0 if not + **************************************************************************************/ +static int GetSMapped(SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int env, int band, int la) +{ + int bandStart, bandEnd, oddFlag, r; + + if (sbrGrid->freqRes[env]) { + /* high resolution */ + bandStart = band; + bandEnd = band + 1; + } else { + /* low resolution (see CalcFreqLow() for mapping) */ + oddFlag = sbrFreq->nHigh & 0x01; + bandStart = (band > 0 ? 2 * band - oddFlag : 0); /* starting index for freqLow[band] */ + bandEnd = 2 * (band + 1) - oddFlag; /* ending index for freqLow[band+1] */ + } + + /* sMapped = 1 if sIndexMapped == 1 for any frequency in this band */ + for (band = bandStart; band < bandEnd; band++) { + if (sbrChan->addHarmonic[1][band]) { + r = ((sbrFreq->freqHigh[band + 1] + sbrFreq->freqHigh[band]) >> 1); + if (env >= la || sbrChan->addHarmonic[0][r] == 1) { + return 1; + } + } + } + return 0; +} + +#define GBOOST_MAX 0x2830afd3 /* Q28, 1.584893192 squared */ +#define ACC_SCALE 6 + +/* squared version of table in 4.6.18.7.5 */ +static const int limGainTab[4] = {0x20138ca7, 0x40000000, 0x7fb27dce, 0x80000000}; /* Q30 (0x80000000 = sentinel for GMAX) */ + +/************************************************************************************** + * Function: CalcMaxGain + * + * Description: calculate max gain in one limiter band (4.6.18.7.5) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * index of current channel (0 for SCE, 0 or 1 for CPE) + * index of current envelope + * index of current limiter band + * number of fraction bits in dequantized envelope + * (max = Q(FBITS_OUT_DQ_ENV - 6) = Q23, can go negative) + * + * Outputs: updated gainMax, gainMaxFBits, and sumEOrigMapped in PSInfoSBR struct + * + * Return: none + **************************************************************************************/ +static void CalcMaxGain(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, int ch, int env, int lim, int fbitsDQ) +{ + int m, mStart, mEnd, q, z, r; + int sumEOrigMapped, sumECurr, gainMax, eOMGainMax, envBand; + unsigned char eCurrExpMax; + unsigned char *freqBandTab; + + mStart = sbrFreq->freqLimiter[lim]; /* these are offsets from kStart */ + mEnd = sbrFreq->freqLimiter[lim + 1]; + freqBandTab = (sbrGrid->freqRes[env] ? sbrFreq->freqHigh : sbrFreq->freqLow); + + /* calculate max gain to apply to signal in this limiter band */ + sumECurr = 0; + sumEOrigMapped = 0; + eCurrExpMax = psi->eCurrExpMax; + eOMGainMax = psi->eOMGainMax; + envBand = psi->envBand; + for (m = mStart; m < mEnd; m++) { + /* map current QMF band to appropriate envelope band */ + if (m == freqBandTab[envBand + 1] - sbrFreq->kStart) { + envBand++; + eOMGainMax = psi->envDataDequant[ch][env][envBand] >> ACC_SCALE; /* summing max 48 bands */ + } + sumEOrigMapped += eOMGainMax; + + /* easy test for overflow on ARM */ + sumECurr += (psi->eCurr[m] >> (eCurrExpMax - psi->eCurrExp[m])); + if (sumECurr >> 30) { + sumECurr >>= 1; + eCurrExpMax++; + } + } + psi->eOMGainMax = eOMGainMax; + psi->envBand = envBand; + + psi->gainMaxFBits = 30; /* Q30 tables */ + if (sumECurr == 0) { + /* any non-zero numerator * 1/EPS_0 is > G_MAX */ + gainMax = (sumEOrigMapped == 0 ? limGainTab[sbrHdr->limiterGains] : 0x80000000); + } else if (sumEOrigMapped == 0) { + /* 1/(any non-zero denominator) * EPS_0 * limGainTab[x] is appx. 0 */ + gainMax = 0; + } else { + /* sumEOrigMapped = Q(fbitsDQ - ACC_SCALE), sumECurr = Q(-eCurrExpMax) */ + gainMax = limGainTab[sbrHdr->limiterGains]; + if (sbrHdr->limiterGains != 3) { + q = MULSHIFT32(sumEOrigMapped, gainMax); /* Q(fbitsDQ - ACC_SCALE - 2), gainMax = Q30 */ + z = CLZ(sumECurr) - 1; + r = InvRNormalized(sumECurr << z); /* in = Q(z - eCurrExpMax), out = Q(29 + 31 - z + eCurrExpMax) */ + gainMax = MULSHIFT32(q, r); /* Q(29 + 31 - z + eCurrExpMax + fbitsDQ - ACC_SCALE - 2 - 32) */ + psi->gainMaxFBits = 26 - z + eCurrExpMax + fbitsDQ - ACC_SCALE; + } + } + psi->sumEOrigMapped = sumEOrigMapped; + psi->gainMax = gainMax; +} + +/************************************************************************************** + * Function: CalcNoiseDivFactors + * + * Description: calculate 1/(1+Q) and Q/(1+Q) (4.6.18.7.4; 4.6.18.7.5) + * + * Inputs: dequantized noise floor scalefactor + * + * Outputs: 1/(1+Q) and Q/(1+Q), format = Q31 + * + * Return: none + **************************************************************************************/ +static void CalcNoiseDivFactors(int q, int *qp1Inv, int *qqp1Inv) +{ + int z, qp1, t, s; + + /* 1 + Q_orig */ + qp1 = (q >> 1); + qp1 += (1 << (FBITS_OUT_DQ_NOISE - 1)); /* >> 1 to avoid overflow when adding 1.0 */ + z = CLZ(qp1) - 1; /* z <= 31 - FBITS_OUT_DQ_NOISE */ + qp1 <<= z; /* Q(FBITS_OUT_DQ_NOISE + z) = Q31 * 2^-(31 - (FBITS_OUT_DQ_NOISE + z)) */ + t = InvRNormalized(qp1) << 1; /* Q30 * 2^(31 - (FBITS_OUT_DQ_NOISE + z)), guaranteed not to overflow */ + + /* normalize to Q31 */ + s = (31 - (FBITS_OUT_DQ_NOISE - 1) - z - 1); /* clearly z >= 0, z <= (30 - (FBITS_OUT_DQ_NOISE - 1)) */ + *qp1Inv = (t >> s); /* s = [0, 31 - FBITS_OUT_DQ_NOISE] */ + *qqp1Inv = MULSHIFT32(t, q) << (32 - FBITS_OUT_DQ_NOISE - s); +} + +/************************************************************************************** + * Function: CalcComponentGains + * + * Description: calculate gain of envelope, sinusoids, and noise in one limiter band + * (4.6.18.7.5) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * index of current envelope + * index of current limiter band + * number of fraction bits in dequantized envelope + * + * Outputs: gains for envelope, sinusoids and noise + * number of fraction bits for envelope gain + * sum of the total gain for each component in this band + * other updated state variables + * + * Return: none + **************************************************************************************/ +static void CalcComponentGains(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch, int env, int lim, int fbitsDQ) +{ + int d, m, mStart, mEnd, q, qm, noiseFloor, sIndexMapped; + int shift, eCurr, maxFlag, gainMax, gainMaxFBits; + int gain, sm, z, r, fbitsGain, gainScale; + unsigned char *freqBandTab; + + mStart = sbrFreq->freqLimiter[lim]; /* these are offsets from kStart */ + mEnd = sbrFreq->freqLimiter[lim + 1]; + + gainMax = psi->gainMax; + gainMaxFBits = psi->gainMaxFBits; + + d = (env == psi->la || env == sbrChan->laPrev ? 0 : 1); + freqBandTab = (sbrGrid->freqRes[env] ? sbrFreq->freqHigh : sbrFreq->freqLow); + + /* figure out which noise floor this envelope is in (only 1 or 2 noise floors allowed) */ + noiseFloor = 0; + if (sbrGrid->numNoiseFloors == 2 && sbrGrid->noiseTimeBorder[1] <= sbrGrid->envTimeBorder[env]) { + noiseFloor++; + } + + psi->sumECurrGLim = 0; + psi->sumSM = 0; + psi->sumQM = 0; + /* calculate energy of noise to add in this limiter band */ + for (m = mStart; m < mEnd; m++) { + if (m == sbrFreq->freqNoise[psi->noiseFloorBand + 1] - sbrFreq->kStart) { + /* map current QMF band to appropriate noise floor band (NOTE: freqLimiter[0] == freqLow[0] = freqHigh[0]) */ + psi->noiseFloorBand++; + CalcNoiseDivFactors(psi->noiseDataDequant[ch][noiseFloor][psi->noiseFloorBand], &(psi->qp1Inv), &(psi->qqp1Inv)); + } + if (m == sbrFreq->freqHigh[psi->highBand + 1] - sbrFreq->kStart) { + psi->highBand++; + } + if (m == freqBandTab[psi->sBand + 1] - sbrFreq->kStart) { + psi->sBand++; + psi->sMapped = GetSMapped(sbrGrid, sbrFreq, sbrChan, env, psi->sBand, psi->la); + } + + /* get sIndexMapped for this QMF subband */ + sIndexMapped = 0; + r = ((sbrFreq->freqHigh[psi->highBand + 1] + sbrFreq->freqHigh[psi->highBand]) >> 1); + if (m + sbrFreq->kStart == r) { + /* r = center frequency, deltaStep = (env >= la || sIndexMapped'(r, numEnv'-1) == 1) */ + if (env >= psi->la || sbrChan->addHarmonic[0][r] == 1) { + sIndexMapped = sbrChan->addHarmonic[1][psi->highBand]; + } + } + + /* save sine flags from last envelope in this frame: + * addHarmonic[0][0...63] = saved sine present flag from previous frame, for each QMF subband + * addHarmonic[1][0...nHigh-1] = addHarmonic bit from current frame, for each high-res frequency band + * from MPEG reference code - slightly different from spec + * (sIndexMapped'(m,LE'-1) can still be 0 when numEnv == psi->la) + */ + if (env == sbrGrid->numEnv - 1) { + if (m + sbrFreq->kStart == r) { + sbrChan->addHarmonic[0][m + sbrFreq->kStart] = sbrChan->addHarmonic[1][psi->highBand]; + } else { + sbrChan->addHarmonic[0][m + sbrFreq->kStart] = 0; + } + } + + gain = psi->envDataDequant[ch][env][psi->sBand]; + qm = MULSHIFT32(gain, psi->qqp1Inv) << 1; + sm = (sIndexMapped ? MULSHIFT32(gain, psi->qp1Inv) << 1 : 0); + + /* three cases: (sMapped == 0 && delta == 1), (sMapped == 0 && delta == 0), (sMapped == 1) */ + if (d == 1 && psi->sMapped == 0) { + gain = MULSHIFT32(psi->qp1Inv, gain) << 1; + } else if (psi->sMapped != 0) { + gain = MULSHIFT32(psi->qqp1Inv, gain) << 1; + } + + /* gain, qm, sm = Q(fbitsDQ), gainMax = Q(fbitsGainMax) */ + eCurr = psi->eCurr[m]; + if (eCurr) { + z = CLZ(eCurr) - 1; + r = InvRNormalized(eCurr << z); /* in = Q(z - eCurrExp), out = Q(29 + 31 - z + eCurrExp) */ + gainScale = MULSHIFT32(gain, r); /* out = Q(29 + 31 - z + eCurrExp + fbitsDQ - 32) */ + fbitsGain = 29 + 31 - z + psi->eCurrExp[m] + fbitsDQ - 32; + } else { + /* if eCurr == 0, then gain is unchanged (divide by EPS = 1) */ + gainScale = gain; + fbitsGain = fbitsDQ; + } + + /* see if gain for this band exceeds max gain */ + maxFlag = 0; + if (gainMax != (int)0x80000000) { + if (fbitsGain >= gainMaxFBits) { + shift = MIN(fbitsGain - gainMaxFBits, 31); + maxFlag = ((gainScale >> shift) > gainMax ? 1 : 0); + } else { + shift = MIN(gainMaxFBits - fbitsGain, 31); + maxFlag = (gainScale > (gainMax >> shift) ? 1 : 0); + } + } + + if (maxFlag) { + /* gainScale > gainMax, calculate ratio with 32/16 division */ + q = 0; + r = gainScale; /* guaranteed > 0, else maxFlag could not have been set */ + z = CLZ(r); + if (z < 16) { + q = 16 - z; + r >>= q; /* out = Q(fbitsGain - q) */ + } + + z = CLZ(gainMax) - 1; + r = (gainMax << z) / r; /* out = Q((fbitsGainMax + z) - (fbitsGain - q)) */ + q = (gainMaxFBits + z) - (fbitsGain - q); /* r = Q(q) */ + if (q > 30) { + r >>= MIN(q - 30, 31); + } else { + z = MIN(30 - q, 30); + CLIP_2N_SHIFT30(r, z); /* let r = Q30 since range = [0.0, 1.0) (clip to 0x3fffffff = 0.99999) */ + } + + qm = MULSHIFT32(qm, r) << 2; + gain = MULSHIFT32(gain, r) << 2; + psi->gLimBuf[m] = gainMax; + psi->gLimFbits[m] = gainMaxFBits; + } else { + psi->gLimBuf[m] = gainScale; + psi->gLimFbits[m] = fbitsGain; + } + + /* sumSM, sumQM, sumECurrGLim = Q(fbitsDQ - ACC_SCALE) */ + psi->smBuf[m] = sm; + psi->sumSM += (sm >> ACC_SCALE); + + psi->qmLimBuf[m] = qm; + if (env != psi->la && env != sbrChan->laPrev && sm == 0) { + psi->sumQM += (qm >> ACC_SCALE); + } + + /* eCurr * gain^2 same as gain^2, before division by eCurr + * (but note that gain != 0 even if eCurr == 0, since it's divided by eps) + */ + if (eCurr) { + psi->sumECurrGLim += (gain >> ACC_SCALE); + } + } +} + +/************************************************************************************** + * Function: ApplyBoost + * + * Description: calculate and apply boost factor for envelope, sinusoids, and noise + * in this limiter band (4.6.18.7.5) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRFreq struct for this SCE/CPE block + * index of current limiter band + * number of fraction bits in dequantized envelope + * + * Outputs: envelope gain, sinusoids and noise after scaling by gBoost + * format = Q(FBITS_GLIM_BOOST) for envelope gain, + * = Q(FBITS_QLIM_BOOST) for noise + * = Q(FBITS_OUT_QMFA) for sinusoids + * + * Return: none + * + * Notes: after scaling, each component has at least 1 GB + **************************************************************************************/ +static void ApplyBoost(PSInfoSBR *psi, SBRFreq *sbrFreq, int lim, int fbitsDQ) +{ + int m, mStart, mEnd, q, z, r; + int sumEOrigMapped, gBoost; + + mStart = sbrFreq->freqLimiter[lim]; /* these are offsets from kStart */ + mEnd = sbrFreq->freqLimiter[lim + 1]; + + sumEOrigMapped = psi->sumEOrigMapped >> 1; + r = (psi->sumECurrGLim >> 1) + (psi->sumSM >> 1) + (psi->sumQM >> 1); /* 1 GB fine (sm and qm are mutually exclusive in acc) */ + if (r < (1 << (31 - 28))) { + /* any non-zero numerator * 1/EPS_0 is > GBOOST_MAX + * round very small r to zero to avoid scaling problems + */ + gBoost = (sumEOrigMapped == 0 ? (1 << 28) : GBOOST_MAX); + z = 0; + } else if (sumEOrigMapped == 0) { + /* 1/(any non-zero denominator) * EPS_0 is appx. 0 */ + gBoost = 0; + z = 0; + } else { + /* numerator (sumEOrigMapped) and denominator (r) have same Q format (before << z) */ + z = CLZ(r) - 1; /* z = [0, 27] */ + r = InvRNormalized(r << z); + gBoost = MULSHIFT32(sumEOrigMapped, r); + } + + /* gBoost = Q(28 - z) */ + if (gBoost > (GBOOST_MAX >> z)) { + gBoost = GBOOST_MAX; + z = 0; + } + gBoost <<= z; /* gBoost = Q28, minimum 1 GB */ + + /* convert gain, noise, sinusoids to fixed Q format, clipping if necessary + * (rare, usually only happens at very low bitrates, introduces slight + * distortion into final HF mapping, but should be inaudible) + */ + for (m = mStart; m < mEnd; m++) { + /* let gLimBoost = Q24, since in practice the max values are usually 16 to 20 + * unless limiterGains == 3 (limiter off) and eCurr ~= 0 (i.e. huge gain, but only + * because the envelope has 0 power anyway) + */ + q = MULSHIFT32(psi->gLimBuf[m], gBoost) << 2; /* Q(gLimFbits) * Q(28) --> Q(gLimFbits[m]-2) */ + r = SqrtFix(q, psi->gLimFbits[m] - 2, &z); + z -= FBITS_GLIM_BOOST; + if (z >= 0) { + psi->gLimBoost[m] = r >> MIN(z, 31); + } else { + z = MIN(30, -z); + CLIP_2N_SHIFT30(r, z); + psi->gLimBoost[m] = r; + } + + q = MULSHIFT32(psi->qmLimBuf[m], gBoost) << 2; /* Q(fbitsDQ) * Q(28) --> Q(fbitsDQ-2) */ + r = SqrtFix(q, fbitsDQ - 2, &z); + z -= FBITS_QLIM_BOOST; /* << by 14, since integer sqrt of x < 2^16, and we want to leave 1 GB */ + if (z >= 0) { + psi->qmLimBoost[m] = r >> MIN(31, z); + } else { + z = MIN(30, -z); + CLIP_2N_SHIFT30(r, z); + psi->qmLimBoost[m] = r; + } + + q = MULSHIFT32(psi->smBuf[m], gBoost) << 2; /* Q(fbitsDQ) * Q(28) --> Q(fbitsDQ-2) */ + r = SqrtFix(q, fbitsDQ - 2, &z); + z -= FBITS_OUT_QMFA; /* justify for adding to signal (xBuf) later */ + if (z >= 0) { + psi->smBoost[m] = r >> MIN(31, z); + } else { + z = MIN(30, -z); + CLIP_2N_SHIFT30(r, z); + psi->smBoost[m] = r; + } + } +} + +/************************************************************************************** + * Function: CalcGain + * + * Description: calculate and apply proper gain to HF components in one envelope + * (4.6.18.7.5) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * index of current envelope + * + * Outputs: envelope gain, sinusoids and noise after scaling + * + * Return: none + **************************************************************************************/ +static void CalcGain(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch, int env) +{ + int lim, fbitsDQ; + + /* initialize to -1 so that mapping limiter bands to env/noise bands works right on first pass */ + psi->envBand = -1; + psi->noiseFloorBand = -1; + psi->sBand = -1; + psi->highBand = -1; + + fbitsDQ = (FBITS_OUT_DQ_ENV - psi->envDataDequantScale[ch][env]); /* Q(29 - optional scalefactor) */ + for (lim = 0; lim < sbrFreq->nLimiter; lim++) { + /* the QMF bands are divided into lim regions (consecutive, non-overlapping) */ + CalcMaxGain(psi, sbrHdr, sbrGrid, sbrFreq, ch, env, lim, fbitsDQ); + CalcComponentGains(psi, sbrGrid, sbrFreq, sbrChan, ch, env, lim, fbitsDQ); + ApplyBoost(psi, sbrFreq, lim, fbitsDQ); + } +} + +/* hSmooth table from 4.7.18.7.6, format = Q31 */ +static const int hSmoothCoef[MAX_NUM_SMOOTH_COEFS] = { + 0x2aaaaaab, 0x2697a512, 0x1becfa68, 0x0ebdb043, 0x04130598, +}; + +/************************************************************************************** + * Function: MapHF + * + * Description: map HF components to proper QMF bands, with optional gain smoothing + * filter (4.6.18.7.6) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current envelope + * reset flag (can be non-zero for first envelope only) + * + * Outputs: complete reconstructed subband QMF samples for this envelope + * + * Return: none + * + * Notes: ensures that output has >= MIN_GBITS_IN_QMFS guard bits, + * so it's not necessary to check anything in the synth QMF + **************************************************************************************/ +static int MapHF(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int env, int hfReset) +{ + int noiseTabIndex, sinIndex, gainNoiseIndex, hSL; + int i, iStart, iEnd, m, idx, j, s, n, smre, smim; + int gFilt, qFilt, xre, xim, gbMask, gbIdx; + int *XBuf; + + noiseTabIndex = sbrChan->noiseTabIndex; + sinIndex = sbrChan->sinIndex; + gainNoiseIndex = sbrChan->gainNoiseIndex; /* oldest entries in filter delay buffer */ + + if (hfReset) { + noiseTabIndex = 2; /* starts at 1, double since complex */ + } + hSL = (sbrHdr->smoothMode ? 0 : 4); + + if (hfReset) { + for (i = 0; i < hSL; i++) { + for (m = 0; m < sbrFreq->numQMFBands; m++) { + sbrChan->gTemp[gainNoiseIndex][m] = psi->gLimBoost[m]; + sbrChan->qTemp[gainNoiseIndex][m] = psi->qmLimBoost[m]; + } + gainNoiseIndex++; + if (gainNoiseIndex == MAX_NUM_SMOOTH_COEFS) { + gainNoiseIndex = 0; + } + } + ASSERT(env == 0, ERR_AAC_SBR_BITSTREAM); /* should only be reset when env == 0 */ + } + + iStart = sbrGrid->envTimeBorder[env]; + iEnd = sbrGrid->envTimeBorder[env + 1]; + for (i = iStart; i < iEnd; i++) { + /* save new values in temp buffers (delay) + * we only store MAX_NUM_SMOOTH_COEFS most recent values, + * so don't keep storing the same value over and over + */ + if (i - iStart < MAX_NUM_SMOOTH_COEFS) { + for (m = 0; m < sbrFreq->numQMFBands; m++) { + sbrChan->gTemp[gainNoiseIndex][m] = psi->gLimBoost[m]; + sbrChan->qTemp[gainNoiseIndex][m] = psi->qmLimBoost[m]; + } + } + + /* see 4.6.18.7.6 */ + XBuf = psi->XBuf[i + HF_ADJ][sbrFreq->kStart]; + gbMask = 0; + for (m = 0; m < sbrFreq->numQMFBands; m++) { + if (env == psi->la || env == sbrChan->laPrev) { + /* no smoothing filter for gain, and qFilt = 0 (only need to do once) */ + if (i == iStart) { + psi->gFiltLast[m] = sbrChan->gTemp[gainNoiseIndex][m]; + psi->qFiltLast[m] = 0; + } + } else if (hSL == 0) { + /* no smoothing filter for gain, (only need to do once) */ + if (i == iStart) { + psi->gFiltLast[m] = sbrChan->gTemp[gainNoiseIndex][m]; + psi->qFiltLast[m] = sbrChan->qTemp[gainNoiseIndex][m]; + } + } else { + /* apply smoothing filter to gain and noise (after MAX_NUM_SMOOTH_COEFS, it's always the same) */ + if (i - iStart < MAX_NUM_SMOOTH_COEFS) { + gFilt = 0; + qFilt = 0; + idx = gainNoiseIndex; + for (j = 0; j < MAX_NUM_SMOOTH_COEFS; j++) { + /* sum(abs(hSmoothCoef[j])) for all j < 1.0 */ + gFilt += MULSHIFT32(sbrChan->gTemp[idx][m], hSmoothCoef[j]); + qFilt += MULSHIFT32(sbrChan->qTemp[idx][m], hSmoothCoef[j]); + idx--; + if (idx < 0) { + idx += MAX_NUM_SMOOTH_COEFS; + } + } + psi->gFiltLast[m] = gFilt << 1; /* restore to Q(FBITS_GLIM_BOOST) (gain of filter < 1.0, so no overflow) */ + psi->qFiltLast[m] = qFilt << 1; /* restore to Q(FBITS_QLIM_BOOST) */ + } + } + + if (psi->smBoost[m] != 0) { + /* add scaled signal and sinusoid, don't add noise (qFilt = 0) */ + smre = psi->smBoost[m]; + smim = smre; + + /* sinIndex: [0] xre += sm [1] xim += sm*s [2] xre -= sm [3] xim -= sm*s */ + s = (sinIndex >> 1); /* if 2 or 3, flip sign to subtract sm */ + s <<= 31; + smre ^= (s >> 31); + smre -= (s >> 31); + s ^= ((m + sbrFreq->kStart) << 31); + smim ^= (s >> 31); + smim -= (s >> 31); + + /* if sinIndex == 0 or 2, smim = 0; if sinIndex == 1 or 3, smre = 0 */ + s = sinIndex << 31; + smim &= (s >> 31); + s ^= 0x80000000; + smre &= (s >> 31); + + noiseTabIndex += 2; /* noise filtered by 0, but still need to bump index */ + } else { + /* add scaled signal and scaled noise */ + qFilt = psi->qFiltLast[m]; + n = noiseTab[noiseTabIndex++]; + smre = MULSHIFT32(n, qFilt) >> (FBITS_QLIM_BOOST - 1 - FBITS_OUT_QMFA); + + n = noiseTab[noiseTabIndex++]; + smim = MULSHIFT32(n, qFilt) >> (FBITS_QLIM_BOOST - 1 - FBITS_OUT_QMFA); + } + noiseTabIndex &= 1023; /* 512 complex numbers */ + + gFilt = psi->gFiltLast[m]; + xre = MULSHIFT32(gFilt, XBuf[0]); + xim = MULSHIFT32(gFilt, XBuf[1]); + CLIP_2N_SHIFT30(xre, 32 - FBITS_GLIM_BOOST); + CLIP_2N_SHIFT30(xim, 32 - FBITS_GLIM_BOOST); + + xre += smre; + *XBuf++ = xre; + xim += smim; + *XBuf++ = xim; + + gbMask |= FASTABS(xre); + gbMask |= FASTABS(xim); + } + /* update circular buffer index */ + gainNoiseIndex++; + if (gainNoiseIndex == MAX_NUM_SMOOTH_COEFS) { + gainNoiseIndex = 0; + } + + sinIndex++; + sinIndex &= 3; + + /* ensure MIN_GBITS_IN_QMFS guard bits in output + * almost never occurs in practice, but checking here makes synth QMF logic very simple + */ + if (gbMask >> (31 - MIN_GBITS_IN_QMFS)) { + XBuf = psi->XBuf[i + HF_ADJ][sbrFreq->kStart]; + for (m = 0; m < sbrFreq->numQMFBands; m++) { + xre = XBuf[0]; + xim = XBuf[1]; + CLIP_2N(xre, (31 - MIN_GBITS_IN_QMFS)); + CLIP_2N(xim, (31 - MIN_GBITS_IN_QMFS)); + *XBuf++ = xre; + *XBuf++ = xim; + } + CLIP_2N(gbMask, (31 - MIN_GBITS_IN_QMFS)); + } + gbIdx = ((i + HF_ADJ) >> 5) & 0x01; + sbrChan->gbMask[gbIdx] |= gbMask; + } + sbrChan->noiseTabIndex = noiseTabIndex; + sbrChan->sinIndex = sinIndex; + sbrChan->gainNoiseIndex = gainNoiseIndex; + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: AdjustHighFreq + * + * Description: adjust high frequencies and add noise and sinusoids (4.6.18.7) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * + * Outputs: complete reconstructed subband QMF samples for this channel + * + * Return: none + **************************************************************************************/ +int AdjustHighFreq(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch) +{ + int i, env, hfReset; + unsigned char frameClass, pointer; + int err = ERR_AAC_NONE; + frameClass = sbrGrid->frameClass; + pointer = sbrGrid->pointer; + + /* derive la from table 4.159 */ + if ((frameClass == SBR_GRID_FIXVAR || frameClass == SBR_GRID_VARVAR) && pointer > 0) { + psi->la = sbrGrid->numEnv + 1 - pointer; + } else if (frameClass == SBR_GRID_VARFIX && pointer > 1) { + psi->la = pointer - 1; + } else { + psi->la = -1; + } + + /* for each envelope, estimate gain and adjust SBR QMF bands */ + hfReset = sbrChan->reset; + for (env = 0; env < sbrGrid->numEnv; env++) { + EstimateEnvelope(psi, sbrHdr, sbrGrid, sbrFreq, env); + CalcGain(psi, sbrHdr, sbrGrid, sbrFreq, sbrChan, ch, env); + err = MapHF(psi, sbrHdr, sbrGrid, sbrFreq, sbrChan, env, hfReset); + if (err) { + return err; + } + hfReset = 0; /* only set for first envelope after header reset */ + } + + /* set saved sine flags to 0 for QMF bands outside of current frequency range */ + for (i = 0; i < sbrFreq->freqLimiter[0] + sbrFreq->kStart; i++) { + sbrChan->addHarmonic[0][i] = 0; + } + for (i = sbrFreq->freqLimiter[sbrFreq->nLimiter] + sbrFreq->kStart; i < 64; i++) { + sbrChan->addHarmonic[0][i] = 0; + } + sbrChan->addHarmonicFlag[0] = sbrChan->addHarmonicFlag[1]; + + /* save la for next frame */ + if (psi->la == sbrGrid->numEnv) { + sbrChan->laPrev = 0; + } else { + sbrChan->laPrev = -1; + } + return ERR_AAC_NONE; +} diff --git a/audio_codec/libfaad/helixaac/sbrhfgen.c b/audio_codec/libfaad/helixaac/sbrhfgen.c new file mode 100644 index 0000000..0ab7dad --- a/dev/null +++ b/audio_codec/libfaad/helixaac/sbrhfgen.c @@ -0,0 +1,655 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrhfgen.c,v 1.1.2.2 2005/05/19 21:00:01 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrhfgen.c - high frequency generation for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +#define FBITS_LPCOEFS 29 /* Q29 for range of (-4, 4) */ +#define MAG_16 (16 * (1 << (32 - (2*(32-FBITS_LPCOEFS))))) /* i.e. 16 in Q26 format */ +#define RELAX_COEF 0x7ffff79c /* 1.0 / (1.0 + 1e-6), Q31 */ + +/* newBWTab[prev invfMode][curr invfMode], format = Q31 (table 4.158) + * sample file which uses all of these: al_sbr_sr_64_2_fsaac32.aac + */ +static const int newBWTab[4][4] = { + {0x00000000, 0x4ccccccd, 0x73333333, 0x7d70a3d7}, + {0x4ccccccd, 0x60000000, 0x73333333, 0x7d70a3d7}, + {0x00000000, 0x60000000, 0x73333333, 0x7d70a3d7}, + {0x00000000, 0x60000000, 0x73333333, 0x7d70a3d7}, +}; + +/************************************************************************************** + * Function: CVKernel1 + * + * Description: kernel of covariance matrix calculation for p01, p11, p12, p22 + * + * Inputs: buffer of low-freq samples, starting at time index = 0, + * freq index = patch subband + * + * Outputs: 64-bit accumulators for p01re, p01im, p12re, p12im, p11re, p22re + * stored in accBuf + * + * Return: none + * + * Notes: this is carefully written to be efficient on ARM + * use the assembly code version in sbrcov.s when building for ARM! + **************************************************************************************/ +#if 0// (defined (__arm) && defined (__ARMCC_VERSION)) || (defined (_WIN32) && defined (_WIN32_WCE) && defined (ARM)) || (defined(__GNUC__) && defined(__arm__)) +#ifdef __cplusplus +extern "C" +#endif +void CVKernel1(int *XBuf, int *accBuf); +#else +void CVKernel1(int *XBuf, int *accBuf) +{ + U64 p01re, p01im, p12re, p12im, p11re, p22re; + int n, x0re, x0im, x1re, x1im; + + x0re = XBuf[0]; + x0im = XBuf[1]; + XBuf += (2 * 64); + x1re = XBuf[0]; + x1im = XBuf[1]; + XBuf += (2 * 64); + + p01re.w64 = p01im.w64 = 0; + p12re.w64 = p12im.w64 = 0; + p11re.w64 = 0; + p22re.w64 = 0; + + p12re.w64 = MADD64(p12re.w64, x1re, x0re); + p12re.w64 = MADD64(p12re.w64, x1im, x0im); + p12im.w64 = MADD64(p12im.w64, x0re, x1im); + p12im.w64 = MADD64(p12im.w64, -x0im, x1re); + p22re.w64 = MADD64(p22re.w64, x0re, x0re); + p22re.w64 = MADD64(p22re.w64, x0im, x0im); + for (n = (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6); n != 0; n--) { + /* 4 input, 3*2 acc, 1 ptr, 1 loop counter = 12 registers (use same for x0im, -x0im) */ + x0re = x1re; + x0im = x1im; + x1re = XBuf[0]; + x1im = XBuf[1]; + + p01re.w64 = MADD64(p01re.w64, x1re, x0re); + p01re.w64 = MADD64(p01re.w64, x1im, x0im); + p01im.w64 = MADD64(p01im.w64, x0re, x1im); + p01im.w64 = MADD64(p01im.w64, -x0im, x1re); + p11re.w64 = MADD64(p11re.w64, x0re, x0re); + p11re.w64 = MADD64(p11re.w64, x0im, x0im); + + XBuf += (2 * 64); + } + /* these can be derived by slight changes to account for boundary conditions */ + p12re.w64 += p01re.w64; + p12re.w64 = MADD64(p12re.w64, x1re, -x0re); + p12re.w64 = MADD64(p12re.w64, x1im, -x0im); + p12im.w64 += p01im.w64; + p12im.w64 = MADD64(p12im.w64, x0re, -x1im); + p12im.w64 = MADD64(p12im.w64, x0im, x1re); + p22re.w64 += p11re.w64; + p22re.w64 = MADD64(p22re.w64, x0re, -x0re); + p22re.w64 = MADD64(p22re.w64, x0im, -x0im); + + accBuf[0] = p01re.r.lo32; + accBuf[1] = p01re.r.hi32; + accBuf[2] = p01im.r.lo32; + accBuf[3] = p01im.r.hi32; + accBuf[4] = p11re.r.lo32; + accBuf[5] = p11re.r.hi32; + accBuf[6] = p12re.r.lo32; + accBuf[7] = p12re.r.hi32; + accBuf[8] = p12im.r.lo32; + accBuf[9] = p12im.r.hi32; + accBuf[10] = p22re.r.lo32; + accBuf[11] = p22re.r.hi32; +} +#endif + +/************************************************************************************** + * Function: CalcCovariance1 + * + * Description: calculate covariance matrix for p01, p12, p11, p22 (4.6.18.6.2) + * + * Inputs: buffer of low-freq samples, starting at time index 0, + * freq index = patch subband + * + * Outputs: complex covariance elements p01re, p01im, p12re, p12im, p11re, p22re + * (p11im = p22im = 0) + * format = integer (Q0) * 2^N, with scalefactor N >= 0 + * + * Return: scalefactor N + * + * Notes: outputs are normalized to have 1 GB (sign in at least top 2 bits) + **************************************************************************************/ +static int CalcCovariance1(int *XBuf, int *p01reN, int *p01imN, int *p12reN, int *p12imN, int *p11reN, int *p22reN) +{ + int accBuf[2 * 6]; + int n, z, s, loShift, hiShift, gbMask; + U64 p01re, p01im, p12re, p12im, p11re, p22re; + + CVKernel1(XBuf, accBuf); + p01re.r.lo32 = accBuf[0]; + p01re.r.hi32 = accBuf[1]; + p01im.r.lo32 = accBuf[2]; + p01im.r.hi32 = accBuf[3]; + p11re.r.lo32 = accBuf[4]; + p11re.r.hi32 = accBuf[5]; + p12re.r.lo32 = accBuf[6]; + p12re.r.hi32 = accBuf[7]; + p12im.r.lo32 = accBuf[8]; + p12im.r.hi32 = accBuf[9]; + p22re.r.lo32 = accBuf[10]; + p22re.r.hi32 = accBuf[11]; + + /* 64-bit accumulators now have 2*FBITS_OUT_QMFA fraction bits + * want to scale them down to integers (32-bit signed, Q0) + * with scale factor of 2^n, n >= 0 + * leave 2 GB's for calculating determinant, so take top 30 non-zero bits + */ + gbMask = ((p01re.r.hi32) ^(p01re.r.hi32 >> 31)) | ((p01im.r.hi32) ^(p01im.r.hi32 >> 31)); + gbMask |= ((p12re.r.hi32) ^(p12re.r.hi32 >> 31)) | ((p12im.r.hi32) ^(p12im.r.hi32 >> 31)); + gbMask |= ((p11re.r.hi32) ^(p11re.r.hi32 >> 31)) | ((p22re.r.hi32) ^(p22re.r.hi32 >> 31)); + if (gbMask == 0) { + s = p01re.r.hi32 >> 31; + gbMask = (p01re.r.lo32 ^ s) - s; + s = p01im.r.hi32 >> 31; + gbMask |= (p01im.r.lo32 ^ s) - s; + s = p12re.r.hi32 >> 31; + gbMask |= (p12re.r.lo32 ^ s) - s; + s = p12im.r.hi32 >> 31; + gbMask |= (p12im.r.lo32 ^ s) - s; + s = p11re.r.hi32 >> 31; + gbMask |= (p11re.r.lo32 ^ s) - s; + s = p22re.r.hi32 >> 31; + gbMask |= (p22re.r.lo32 ^ s) - s; + z = 32 + CLZ(gbMask); + } else { + gbMask = FASTABS(p01re.r.hi32) | FASTABS(p01im.r.hi32); + gbMask |= FASTABS(p12re.r.hi32) | FASTABS(p12im.r.hi32); + gbMask |= FASTABS(p11re.r.hi32) | FASTABS(p22re.r.hi32); + z = CLZ(gbMask); + } + + n = 64 - z; /* number of non-zero bits in bottom of 64-bit word */ + if (n <= 30) { + loShift = (30 - n); + *p01reN = p01re.r.lo32 << loShift; + *p01imN = p01im.r.lo32 << loShift; + *p12reN = p12re.r.lo32 << loShift; + *p12imN = p12im.r.lo32 << loShift; + *p11reN = p11re.r.lo32 << loShift; + *p22reN = p22re.r.lo32 << loShift; + return -(loShift + 2 * FBITS_OUT_QMFA); + } else if (n < 32 + 30) { + loShift = (n - 30); + hiShift = 32 - loShift; + *p01reN = (p01re.r.hi32 << hiShift) | (p01re.r.lo32 >> loShift); + *p01imN = (p01im.r.hi32 << hiShift) | (p01im.r.lo32 >> loShift); + *p12reN = (p12re.r.hi32 << hiShift) | (p12re.r.lo32 >> loShift); + *p12imN = (p12im.r.hi32 << hiShift) | (p12im.r.lo32 >> loShift); + *p11reN = (p11re.r.hi32 << hiShift) | (p11re.r.lo32 >> loShift); + *p22reN = (p22re.r.hi32 << hiShift) | (p22re.r.lo32 >> loShift); + return (loShift - 2 * FBITS_OUT_QMFA); + } else { + hiShift = n - (32 + 30); + *p01reN = p01re.r.hi32 >> hiShift; + *p01imN = p01im.r.hi32 >> hiShift; + *p12reN = p12re.r.hi32 >> hiShift; + *p12imN = p12im.r.hi32 >> hiShift; + *p11reN = p11re.r.hi32 >> hiShift; + *p22reN = p22re.r.hi32 >> hiShift; + return (32 - 2 * FBITS_OUT_QMFA - hiShift); + } + + return 0; +} + +/************************************************************************************** + * Function: CVKernel2 + * + * Description: kernel of covariance matrix calculation for p02 + * + * Inputs: buffer of low-freq samples, starting at time index = 0, + * freq index = patch subband + * + * Outputs: 64-bit accumulators for p02re, p02im stored in accBuf + * + * Return: none + * + * Notes: this is carefully written to be efficient on ARM + * use the assembly code version in sbrcov.s when building for ARM! + **************************************************************************************/ +#if 0// (defined (__arm) && defined (__ARMCC_VERSION)) || (defined (_WIN32) && defined (_WIN32_WCE) && defined (ARM)) || (defined(__GNUC__) && defined(__arm__)) +#ifdef __cplusplus +extern "C" +#endif +void CVKernel2(int *XBuf, int *accBuf); +#else +void CVKernel2(int *XBuf, int *accBuf) +{ + U64 p02re, p02im; + int n, x0re, x0im, x1re, x1im, x2re, x2im; + + p02re.w64 = p02im.w64 = 0; + + x0re = XBuf[0]; + x0im = XBuf[1]; + XBuf += (2 * 64); + x1re = XBuf[0]; + x1im = XBuf[1]; + XBuf += (2 * 64); + + for (n = (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6); n != 0; n--) { + /* 6 input, 2*2 acc, 1 ptr, 1 loop counter = 12 registers (use same for x0im, -x0im) */ + x2re = XBuf[0]; + x2im = XBuf[1]; + + p02re.w64 = MADD64(p02re.w64, x2re, x0re); + p02re.w64 = MADD64(p02re.w64, x2im, x0im); + p02im.w64 = MADD64(p02im.w64, x0re, x2im); + p02im.w64 = MADD64(p02im.w64, -x0im, x2re); + + x0re = x1re; + x0im = x1im; + x1re = x2re; + x1im = x2im; + XBuf += (2 * 64); + } + + accBuf[0] = p02re.r.lo32; + accBuf[1] = p02re.r.hi32; + accBuf[2] = p02im.r.lo32; + accBuf[3] = p02im.r.hi32; +} +#endif + +/************************************************************************************** + * Function: CalcCovariance2 + * + * Description: calculate covariance matrix for p02 (4.6.18.6.2) + * + * Inputs: buffer of low-freq samples, starting at time index = 0, + * freq index = patch subband + * + * Outputs: complex covariance element p02re, p02im + * format = integer (Q0) * 2^N, with scalefactor N >= 0 + * + * Return: scalefactor N + * + * Notes: outputs are normalized to have 1 GB (sign in at least top 2 bits) + **************************************************************************************/ +static int CalcCovariance2(int *XBuf, int *p02reN, int *p02imN) +{ + U64 p02re, p02im; + int n, z, s, loShift, hiShift, gbMask; + int accBuf[2 * 2]; + + CVKernel2(XBuf, accBuf); + p02re.r.lo32 = accBuf[0]; + p02re.r.hi32 = accBuf[1]; + p02im.r.lo32 = accBuf[2]; + p02im.r.hi32 = accBuf[3]; + + /* 64-bit accumulators now have 2*FBITS_OUT_QMFA fraction bits + * want to scale them down to integers (32-bit signed, Q0) + * with scale factor of 2^n, n >= 0 + * leave 1 GB for calculating determinant, so take top 30 non-zero bits + */ + gbMask = ((p02re.r.hi32) ^(p02re.r.hi32 >> 31)) | ((p02im.r.hi32) ^(p02im.r.hi32 >> 31)); + if (gbMask == 0) { + s = p02re.r.hi32 >> 31; + gbMask = (p02re.r.lo32 ^ s) - s; + s = p02im.r.hi32 >> 31; + gbMask |= (p02im.r.lo32 ^ s) - s; + z = 32 + CLZ(gbMask); + } else { + gbMask = FASTABS(p02re.r.hi32) | FASTABS(p02im.r.hi32); + z = CLZ(gbMask); + } + n = 64 - z; /* number of non-zero bits in bottom of 64-bit word */ + + if (n <= 30) { + loShift = (30 - n); + *p02reN = p02re.r.lo32 << loShift; + *p02imN = p02im.r.lo32 << loShift; + return -(loShift + 2 * FBITS_OUT_QMFA); + } else if (n < 32 + 30) { + loShift = (n - 30); + hiShift = 32 - loShift; + *p02reN = (p02re.r.hi32 << hiShift) | (p02re.r.lo32 >> loShift); + *p02imN = (p02im.r.hi32 << hiShift) | (p02im.r.lo32 >> loShift); + return (loShift - 2 * FBITS_OUT_QMFA); + } else { + hiShift = n - (32 + 30); + *p02reN = p02re.r.hi32 >> hiShift; + *p02imN = p02im.r.hi32 >> hiShift; + return (32 - 2 * FBITS_OUT_QMFA - hiShift); + } + + return 0; +} + +/************************************************************************************** + * Function: CalcLPCoefs + * + * Description: calculate linear prediction coefficients for one subband (4.6.18.6.2) + * + * Inputs: buffer of low-freq samples, starting at time index = 0, + * freq index = patch subband + * number of guard bits in input sample buffer + * + * Outputs: complex LP coefficients a0re, a0im, a1re, a1im, format = Q29 + * + * Return: none + * + * Notes: output coefficients (a0re, a0im, a1re, a1im) clipped to range (-4, 4) + * if the comples coefficients have magnitude >= 4.0, they are all + * set to 0 (see spec) + **************************************************************************************/ +static int CalcLPCoefs(int *XBuf, int *a0re, int *a0im, int *a1re, int *a1im, int gb) +{ + int zFlag, n1, n2, nd, d, dInv, tre, tim; + int p01re, p01im, p02re, p02im, p12re, p12im, p11re, p22re; + + /* pre-scale to avoid overflow - probably never happens in practice (see QMFA) + * max bit growth per accumulator = 38*2 = 76 mul-adds (X * X) + * using 64-bit MADD, so if X has n guard bits, X*X has 2n+1 guard bits + * gain 1 extra sign bit per multiply, so ensure ceil(log2(76/2) / 2) = 3 guard bits on inputs + */ + if (gb < 3) { + nd = 3 - gb; + for (n1 = (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6 + 2); n1 != 0; n1--) { + XBuf[0] >>= nd; + XBuf[1] >>= nd; + XBuf += (2 * 64); + } + XBuf -= (2 * 64 * (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6 + 2)); + } + + /* calculate covariance elements */ + n1 = CalcCovariance1(XBuf, &p01re, &p01im, &p12re, &p12im, &p11re, &p22re); + n2 = CalcCovariance2(XBuf, &p02re, &p02im); + + /* normalize everything to larger power of 2 scalefactor, call it n1 */ + if (n1 < n2) { + nd = MIN(n2 - n1, 31); + p01re >>= nd; + p01im >>= nd; + p12re >>= nd; + p12im >>= nd; + p11re >>= nd; + p22re >>= nd; + n1 = n2; + } else if (n1 > n2) { + nd = MIN(n1 - n2, 31); + p02re >>= nd; + p02im >>= nd; + } + + /* calculate determinant of covariance matrix (at least 1 GB in pXX) */ + d = MULSHIFT32(p12re, p12re) + MULSHIFT32(p12im, p12im); + d = MULSHIFT32(d, RELAX_COEF) << 1; + d = MULSHIFT32(p11re, p22re) - d; + //this assert always failed,no a fatal error when decoder sbr data ????. + //ASSERT(d >= 0,ERR_AAC_SBR_BITSTREAM); /* should never be < 0 */ + + zFlag = 0; + *a0re = *a0im = 0; + *a1re = *a1im = 0; + if (d > 0) { + /* input = Q31 d = Q(-2*n1 - 32 + nd) = Q31 * 2^(31 + 2*n1 + 32 - nd) + * inverse = Q29 dInv = Q29 * 2^(-31 - 2*n1 - 32 + nd) = Q(29 + 31 + 2*n1 + 32 - nd) + * + * numerator has same Q format as d, since it's sum of normalized squares + * so num * inverse = Q(-2*n1 - 32) * Q(29 + 31 + 2*n1 + 32 - nd) + * = Q(29 + 31 - nd), drop low 32 in MULSHIFT32 + * = Q(29 + 31 - 32 - nd) = Q(28 - nd) + */ + nd = CLZ(d) - 1; + d <<= nd; + dInv = InvRNormalized(d); + + /* 1 GB in pXX */ + tre = MULSHIFT32(p01re, p12re) - MULSHIFT32(p01im, p12im) - MULSHIFT32(p02re, p11re); + tre = MULSHIFT32(tre, dInv); + tim = MULSHIFT32(p01re, p12im) + MULSHIFT32(p01im, p12re) - MULSHIFT32(p02im, p11re); + tim = MULSHIFT32(tim, dInv); + + /* if d is extremely small, just set coefs to 0 (would have poor precision anyway) */ + if (nd > 28 || (FASTABS(tre) >> (28 - nd)) >= 4 || (FASTABS(tim) >> (28 - nd)) >= 4) { + zFlag = 1; + } else { + *a1re = tre << (FBITS_LPCOEFS - 28 + nd); /* i.e. convert Q(28 - nd) to Q(29) */ + *a1im = tim << (FBITS_LPCOEFS - 28 + nd); + } + } + + if (p11re) { + /* input = Q31 p11re = Q(-n1 + nd) = Q31 * 2^(31 + n1 - nd) + * inverse = Q29 dInv = Q29 * 2^(-31 - n1 + nd) = Q(29 + 31 + n1 - nd) + * + * numerator is Q(-n1 - 3) + * so num * inverse = Q(-n1 - 3) * Q(29 + 31 + n1 - nd) + * = Q(29 + 31 - 3 - nd), drop low 32 in MULSHIFT32 + * = Q(29 + 31 - 3 - 32 - nd) = Q(25 - nd) + */ + nd = CLZ(p11re) - 1; /* assume positive */ + p11re <<= nd; + dInv = InvRNormalized(p11re); + + /* a1re, a1im = Q29, so scaled by (n1 + 3) */ + tre = (p01re >> 3) + MULSHIFT32(p12re, *a1re) + MULSHIFT32(p12im, *a1im); + tre = -MULSHIFT32(tre, dInv); + tim = (p01im >> 3) - MULSHIFT32(p12im, *a1re) + MULSHIFT32(p12re, *a1im); + tim = -MULSHIFT32(tim, dInv); + + if (nd > 25 || (FASTABS(tre) >> (25 - nd)) >= 4 || (FASTABS(tim) >> (25 - nd)) >= 4) { + zFlag = 1; + } else { + *a0re = tre << (FBITS_LPCOEFS - 25 + nd); /* i.e. convert Q(25 - nd) to Q(29) */ + *a0im = tim << (FBITS_LPCOEFS - 25 + nd); + } + } + + /* see 4.6.18.6.2 - if magnitude of a0 or a1 >= 4 then a0 = a1 = 0 + * i.e. a0re < 4, a0im < 4, a1re < 4, a1im < 4 + * Q29*Q29 = Q26 + */ + if (zFlag || MULSHIFT32(*a0re, *a0re) + MULSHIFT32(*a0im, *a0im) >= MAG_16 || MULSHIFT32(*a1re, *a1re) + MULSHIFT32(*a1im, *a1im) >= MAG_16) { + *a0re = *a0im = 0; + *a1re = *a1im = 0; + } + + /* no need to clip - we never changed the XBuf data, just used it to calculate a0 and a1 */ + if (gb < 3) { + nd = 3 - gb; + for (n1 = (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6 + 2); n1 != 0; n1--) { + XBuf[0] <<= nd; + XBuf[1] <<= nd; + XBuf += (2 * 64); + } + } + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: GenerateHighFreq + * + * Description: generate high frequencies with SBR (4.6.18.6) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * + * Outputs: new high frequency samples starting at frequency kStart + * + * Return: none + **************************************************************************************/ +int GenerateHighFreq(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch) +{ + int band, newBW, c, t, gb, gbMask, gbIdx; + int currPatch, p, x, k, g, i, iStart, iEnd, bw, bwsq; + int a0re, a0im, a1re, a1im; + int x1re, x1im, x2re, x2im; + int ACCre, ACCim; + int *XBufLo, *XBufHi; + int err = ERR_AAC_NONE; + /* calculate array of chirp factors */ + for (band = 0; band < sbrFreq->numNoiseFloorBands; band++) { + c = sbrChan->chirpFact[band]; /* previous (bwArray') */ + newBW = newBWTab[sbrChan->invfMode[0][band]][sbrChan->invfMode[1][band]]; + + /* weighted average of new and old (can't overflow - total gain = 1.0) */ + if (newBW < c) { + t = MULSHIFT32(newBW, 0x60000000) + MULSHIFT32(0x20000000, c); /* new is smaller: 0.75*new + 0.25*old */ + } else { + t = MULSHIFT32(newBW, 0x74000000) + MULSHIFT32(0x0c000000, c); /* new is larger: 0.90625*new + 0.09375*old */ + } + t <<= 1; + + if (t < 0x02000000) { /* below 0.015625, clip to 0 */ + t = 0; + } + if (t > 0x7f800000) { /* clip to 0.99609375 */ + t = 0x7f800000; + } + + /* save curr as prev for next time */ + sbrChan->chirpFact[band] = t; + sbrChan->invfMode[0][band] = sbrChan->invfMode[1][band]; + } + + iStart = sbrGrid->envTimeBorder[0] + HF_ADJ; + iEnd = sbrGrid->envTimeBorder[sbrGrid->numEnv] + HF_ADJ; + + /* generate new high freqs from low freqs, patches, and chirp factors */ + k = sbrFreq->kStart; + g = 0; + bw = sbrChan->chirpFact[g]; + bwsq = MULSHIFT32(bw, bw) << 1; + + gbMask = (sbrChan->gbMask[0] | sbrChan->gbMask[1]); /* older 32 | newer 8 */ + gb = CLZ(gbMask) - 1; + + for (currPatch = 0; currPatch < sbrFreq->numPatches; currPatch++) { + for (x = 0; x < sbrFreq->patchNumSubbands[currPatch]; x++) { + /* map k to corresponding noise floor band */ + if (k >= sbrFreq->freqNoise[g + 1]) { + g++; + bw = sbrChan->chirpFact[g]; /* Q31 */ + bwsq = MULSHIFT32(bw, bw) << 1; /* Q31 */ + } + + p = sbrFreq->patchStartSubband[currPatch] + x; /* low QMF band */ + XBufHi = psi->XBuf[iStart][k]; + if (bw) { + err = CalcLPCoefs(psi->XBuf[0][p], &a0re, &a0im, &a1re, &a1im, gb); + if (err) { + return err; + } + a0re = MULSHIFT32(bw, a0re); /* Q31 * Q29 = Q28 */ + a0im = MULSHIFT32(bw, a0im); + a1re = MULSHIFT32(bwsq, a1re); + a1im = MULSHIFT32(bwsq, a1im); + + XBufLo = psi->XBuf[iStart - 2][p]; + + x2re = XBufLo[0]; /* RE{XBuf[n-2]} */ + x2im = XBufLo[1]; /* IM{XBuf[n-2]} */ + XBufLo += (64 * 2); + + x1re = XBufLo[0]; /* RE{XBuf[n-1]} */ + x1im = XBufLo[1]; /* IM{XBuf[n-1]} */ + XBufLo += (64 * 2); + + for (i = iStart; i < iEnd; i++) { + /* a0re/im, a1re/im are Q28 with at least 1 GB, + * so the summing for AACre/im is fine (1 GB in, plus 1 from MULSHIFT32) + */ + ACCre = MULSHIFT32(x2re, a1re) - MULSHIFT32(x2im, a1im); + ACCim = MULSHIFT32(x2re, a1im) + MULSHIFT32(x2im, a1re); + x2re = x1re; + x2im = x1im; + + ACCre += MULSHIFT32(x1re, a0re) - MULSHIFT32(x1im, a0im); + ACCim += MULSHIFT32(x1re, a0im) + MULSHIFT32(x1im, a0re); + x1re = XBufLo[0]; /* RE{XBuf[n]} */ + x1im = XBufLo[1]; /* IM{XBuf[n]} */ + XBufLo += (64 * 2); + + /* lost 4 fbits when scaling by a0re/im, a1re/im (Q28) */ + CLIP_2N_SHIFT30(ACCre, 4); + ACCre += x1re; + CLIP_2N_SHIFT30(ACCim, 4); + ACCim += x1im; + + XBufHi[0] = ACCre; + XBufHi[1] = ACCim; + XBufHi += (64 * 2); + + /* update guard bit masks */ + gbMask = FASTABS(ACCre); + gbMask |= FASTABS(ACCim); + gbIdx = (i >> 5) & 0x01; /* 0 if i < 32, 1 if i >= 32 */ + sbrChan->gbMask[gbIdx] |= gbMask; + } + } else { + XBufLo = (int *)psi->XBuf[iStart][p]; + for (i = iStart; i < iEnd; i++) { + XBufHi[0] = XBufLo[0]; + XBufHi[1] = XBufLo[1]; + XBufLo += (64 * 2); + XBufHi += (64 * 2); + } + } + k++; /* high QMF band */ + } + } + return ERR_AAC_NONE; +} + + diff --git a/audio_codec/libfaad/helixaac/sbrhuff.c b/audio_codec/libfaad/helixaac/sbrhuff.c new file mode 100644 index 0000000..35e759f --- a/dev/null +++ b/audio_codec/libfaad/helixaac/sbrhuff.c @@ -0,0 +1,494 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrhuff.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrhuff.c - functions for unpacking Huffman-coded envelope and noise data + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +/************************************************************************************** + * Function: DecodeHuffmanScalar + * + * Description: decode one Huffman symbol from bitstream + * + * Inputs: pointers to Huffman table and info struct + * left-aligned bit buffer with >= huffTabInfo->maxBits bits + * + * Outputs: decoded symbol in *val + * + * Return: number of bits in symbol + * + * Notes: assumes canonical Huffman codes: + * first CW always 0, we have "count" CW's of length "nBits" bits + * starting CW for codes of length nBits+1 = + * (startCW[nBits] + count[nBits]) << 1 + * if there are no codes at nBits, then we just keep << 1 each time + * (since count[nBits] = 0) + **************************************************************************************/ +static int DecodeHuffmanScalar(const signed short *huffTab, const HuffInfo *huffTabInfo, unsigned int bitBuf, signed int *val) +{ + unsigned int count, start, shift, t; + const unsigned char *countPtr; + const signed short *map; + + map = huffTab + huffTabInfo->offset; + countPtr = huffTabInfo->count; + + start = 0; + count = 0; + shift = 32; + do { + start += count; + start <<= 1; + map += count; + count = *countPtr++; + shift--; + t = (bitBuf >> shift) - start; + } while (t >= count); + + *val = (signed int)map[t]; + return (countPtr - huffTabInfo->count); +} + +/************************************************************************************** + * Function: DecodeOneSymbol + * + * Description: dequantize one Huffman symbol from bitstream, + * using table huffTabSBR[huffTabIndex] + * + * Inputs: BitStreamInfo struct pointing to start of next Huffman codeword + * index of Huffman table + * + * Outputs: bitstream advanced by number of bits in codeword + * + * Return: one decoded symbol + **************************************************************************************/ +static int DecodeOneSymbol(BitStreamInfo *bsi, int huffTabIndex) +{ + int nBits, val; + unsigned int bitBuf; + const HuffInfo *hi; + + hi = &(huffTabSBRInfo[huffTabIndex]); + + bitBuf = GetBitsNoAdvance(bsi, hi->maxBits) << (32 - hi->maxBits); + nBits = DecodeHuffmanScalar(huffTabSBR, hi, bitBuf, &val); + AdvanceBitstream(bsi, nBits); + + return val; +} + +/* [1.0, sqrt(2)], format = Q29 (one guard bit for decoupling) */ +static const int envDQTab[2] = {0x20000000, 0x2d413ccc}; + +/************************************************************************************** + * Function: DequantizeEnvelope + * + * Description: dequantize envelope scalefactors + * + * Inputs: number of scalefactors to process + * amplitude resolution flag for this frame (0 or 1) + * quantized envelope scalefactors + * + * Outputs: dequantized envelope scalefactors + * + * Return: extra int bits in output (6 + expMax) + * in other words, output format = Q(FBITS_OUT_DQ_ENV - (6 + expMax)) + * + * Notes: dequantized scalefactors have at least 2 GB + **************************************************************************************/ +static int DequantizeEnvelope(int nBands, int ampRes, signed char *envQuant, int *envDequant) +{ + int exp, expMax, i, scalei; + + if (nBands <= 0) { + return 0; + } + + /* scan for largest dequant value (do separately from envelope decoding to keep code cleaner) */ + expMax = 0; + for (i = 0; i < nBands; i++) { + if (envQuant[i] > expMax) { + expMax = envQuant[i]; + } + } + + /* dequantized envelope gains + * envDequant = 64*2^(envQuant / alpha) = 2^(6 + envQuant / alpha) + * if ampRes == 0, alpha = 2 and range of envQuant = [0, 127] + * if ampRes == 1, alpha = 1 and range of envQuant = [0, 63] + * also if coupling is on, envDequant is scaled by something in range [0, 2] + * so range of envDequant = [2^6, 2^69] (no coupling), [2^6, 2^70] (with coupling) + * + * typical range (from observation) of envQuant/alpha = [0, 27] --> largest envQuant ~= 2^33 + * output: Q(29 - (6 + expMax)) + * + * reference: 14496-3:2001(E)/4.6.18.3.5 and 14496-4:200X/FPDAM8/5.6.5.1.2.1.5 + */ + if (ampRes) { + do { + exp = *envQuant++; + scalei = MIN(expMax - exp, 31); + *envDequant++ = envDQTab[0] >> scalei; + } while (--nBands); + + return (6 + expMax); + } else { + expMax >>= 1; + do { + exp = *envQuant++; + scalei = MIN(expMax - (exp >> 1), 31); + *envDequant++ = envDQTab[exp & 0x01] >> scalei; + } while (--nBands); + + return (6 + expMax); + } + +} + +/************************************************************************************** + * Function: DequantizeNoise + * + * Description: dequantize noise scalefactors + * + * Inputs: number of scalefactors to process + * quantized noise scalefactors + * + * Outputs: dequantized noise scalefactors, format = Q(FBITS_OUT_DQ_NOISE) + * + * Return: none + * + * Notes: dequantized scalefactors have at least 2 GB + **************************************************************************************/ +static void DequantizeNoise(int nBands, signed char *noiseQuant, int *noiseDequant) +{ + int exp, scalei; + + if (nBands <= 0) { + return; + } + + /* dequantize noise floor gains (4.6.18.3.5): + * noiseDequant = 2^(NOISE_FLOOR_OFFSET - noiseQuant) + * + * range of noiseQuant = [0, 30] (see 4.6.18.3.6), NOISE_FLOOR_OFFSET = 6 + * so range of noiseDequant = [2^-24, 2^6] + */ + do { + exp = *noiseQuant++; + scalei = NOISE_FLOOR_OFFSET - exp + FBITS_OUT_DQ_NOISE; /* 6 + 24 - exp, exp = [0,30] */ + + if (scalei < 0) { + *noiseDequant++ = 0; + } else if (scalei < 30) { + *noiseDequant++ = 1 << scalei; + } else { + *noiseDequant++ = 0x3fffffff; /* leave 2 GB */ + } + + } while (--nBands); +} + +/************************************************************************************** + * Function: DecodeSBREnvelope + * + * Description: decode delta Huffman coded envelope scalefactors from bitstream + * + * Inputs: BitStreamInfo struct pointing to start of env data + * initialized PSInfoSBR struct + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * + * Outputs: dequantized env scalefactors for left channel (before decoupling) + * dequantized env scalefactors for right channel (if coupling off) + * or raw decoded env scalefactors for right channel (if coupling on) + * + * Return: none + **************************************************************************************/ +int DecodeSBREnvelope(BitStreamInfo *bsi, PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch) +{ + int huffIndexTime, huffIndexFreq, env, envStartBits, band, nBands, sf, lastEnv; + int freqRes, freqResPrev, dShift, i; + + if (psi->couplingFlag && ch) { + dShift = 1; + if (sbrGrid->ampResFrame) { + huffIndexTime = HuffTabSBR_tEnv30b; + huffIndexFreq = HuffTabSBR_fEnv30b; + envStartBits = 5; + } else { + huffIndexTime = HuffTabSBR_tEnv15b; + huffIndexFreq = HuffTabSBR_fEnv15b; + envStartBits = 6; + } + } else { + dShift = 0; + if (sbrGrid->ampResFrame) { + huffIndexTime = HuffTabSBR_tEnv30; + huffIndexFreq = HuffTabSBR_fEnv30; + envStartBits = 6; + } else { + huffIndexTime = HuffTabSBR_tEnv15; + huffIndexFreq = HuffTabSBR_fEnv15; + envStartBits = 7; + } + } + + /* range of envDataQuant[] = [0, 127] (see comments in DequantizeEnvelope() for reference) */ + for (env = 0; env < sbrGrid->numEnv; env++) { + nBands = (sbrGrid->freqRes[env] ? sbrFreq->nHigh : sbrFreq->nLow); + freqRes = (sbrGrid->freqRes[env]); + freqResPrev = (env == 0 ? sbrGrid->freqResPrev : sbrGrid->freqRes[env - 1]); + lastEnv = (env == 0 ? sbrGrid->numEnvPrev - 1 : env - 1); + if (lastEnv < 0) { + lastEnv = 0; /* first frame */ + } + + ASSERT(nBands <= MAX_QMF_BANDS, ERR_AAC_SBR_BITSTREAM); + + if (sbrChan->deltaFlagEnv[env] == 0) { + /* delta coding in freq */ + sf = GetBits(bsi, envStartBits) << dShift; + sbrChan->envDataQuant[env][0] = sf; + for (band = 1; band < nBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexFreq) << dShift; + sbrChan->envDataQuant[env][band] = sf + sbrChan->envDataQuant[env][band - 1]; + } + } else if (freqRes == freqResPrev) { + /* delta coding in time - same freq resolution for both frames */ + for (band = 0; band < nBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexTime) << dShift; + sbrChan->envDataQuant[env][band] = sf + sbrChan->envDataQuant[lastEnv][band]; + } + } else if (freqRes == 0 && freqResPrev == 1) { + /* delta coding in time - low freq resolution for new frame, high freq resolution for old frame */ + for (band = 0; band < nBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexTime) << dShift; + sbrChan->envDataQuant[env][band] = sf; + for (i = 0; i < sbrFreq->nHigh; i++) { + if (sbrFreq->freqHigh[i] == sbrFreq->freqLow[band]) { + sbrChan->envDataQuant[env][band] += sbrChan->envDataQuant[lastEnv][i]; + break; + } + } + } + } else if (freqRes == 1 && freqResPrev == 0) { + /* delta coding in time - high freq resolution for new frame, low freq resolution for old frame */ + for (band = 0; band < nBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexTime) << dShift; + sbrChan->envDataQuant[env][band] = sf; + for (i = 0; i < sbrFreq->nLow; i++) { + if (sbrFreq->freqLow[i] <= sbrFreq->freqHigh[band] && sbrFreq->freqHigh[band] < sbrFreq->freqLow[i + 1]) { + sbrChan->envDataQuant[env][band] += sbrChan->envDataQuant[lastEnv][i]; + break; + } + } + } + } + + /* skip coupling channel */ + if (ch != 1 || psi->couplingFlag != 1) { + psi->envDataDequantScale[ch][env] = DequantizeEnvelope(nBands, sbrGrid->ampResFrame, sbrChan->envDataQuant[env], psi->envDataDequant[ch][env]); + } + } + sbrGrid->numEnvPrev = sbrGrid->numEnv; + sbrGrid->freqResPrev = sbrGrid->freqRes[sbrGrid->numEnv - 1]; + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: DecodeSBRNoise + * + * Description: decode delta Huffman coded noise scalefactors from bitstream + * + * Inputs: BitStreamInfo struct pointing to start of noise data + * initialized PSInfoSBR struct + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * + * Outputs: dequantized noise scalefactors for left channel (before decoupling) + * dequantized noise scalefactors for right channel (if coupling off) + * or raw decoded noise scalefactors for right channel (if coupling on) + * + * Return: none + **************************************************************************************/ +int DecodeSBRNoise(BitStreamInfo *bsi, PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch) +{ + int huffIndexTime, huffIndexFreq, noiseFloor, band, dShift, sf, lastNoiseFloor; + + if (psi->couplingFlag && ch) { + dShift = 1; + huffIndexTime = HuffTabSBR_tNoise30b; + huffIndexFreq = HuffTabSBR_fNoise30b; + } else { + dShift = 0; + huffIndexTime = HuffTabSBR_tNoise30; + huffIndexFreq = HuffTabSBR_fNoise30; + } + + for (noiseFloor = 0; noiseFloor < sbrGrid->numNoiseFloors; noiseFloor++) { + lastNoiseFloor = (noiseFloor == 0 ? sbrGrid->numNoiseFloorsPrev - 1 : noiseFloor - 1); + if (lastNoiseFloor < 0) { + lastNoiseFloor = 0; /* first frame */ + } + + ASSERT(sbrFreq->numNoiseFloorBands <= MAX_QMF_BANDS, ERR_AAC_SBR_BITSTREAM); + + if (sbrChan->deltaFlagNoise[noiseFloor] == 0) { + /* delta coding in freq */ + sbrChan->noiseDataQuant[noiseFloor][0] = GetBits(bsi, 5) << dShift; + for (band = 1; band < sbrFreq->numNoiseFloorBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexFreq) << dShift; + sbrChan->noiseDataQuant[noiseFloor][band] = sf + sbrChan->noiseDataQuant[noiseFloor][band - 1]; + } + } else { + /* delta coding in time */ + for (band = 0; band < sbrFreq->numNoiseFloorBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexTime) << dShift; + sbrChan->noiseDataQuant[noiseFloor][band] = sf + sbrChan->noiseDataQuant[lastNoiseFloor][band]; + } + } + + /* skip coupling channel */ + if (ch != 1 || psi->couplingFlag != 1) { + DequantizeNoise(sbrFreq->numNoiseFloorBands, sbrChan->noiseDataQuant[noiseFloor], psi->noiseDataDequant[ch][noiseFloor]); + } + } + sbrGrid->numNoiseFloorsPrev = sbrGrid->numNoiseFloors; + return ERR_AAC_NONE; +} + +/* dqTabCouple[i] = 2 / (1 + 2^(12 - i)), format = Q30 */ +static const int dqTabCouple[25] = { + 0x0007ff80, 0x000ffe00, 0x001ff802, 0x003fe010, 0x007f8080, 0x00fe03f8, 0x01f81f82, 0x03e0f83e, + 0x07878788, 0x0e38e38e, 0x1999999a, 0x2aaaaaab, 0x40000000, 0x55555555, 0x66666666, 0x71c71c72, + 0x78787878, 0x7c1f07c2, 0x7e07e07e, 0x7f01fc08, 0x7f807f80, 0x7fc01ff0, 0x7fe007fe, 0x7ff00200, + 0x7ff80080, +}; + +/************************************************************************************** + * Function: UncoupleSBREnvelope + * + * Description: scale dequantized envelope scalefactors according to channel + * coupling rules + * + * Inputs: initialized PSInfoSBR struct including + * dequantized envelope data for left channel + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for right channel including + * quantized envelope scalefactors + * + * Outputs: dequantized envelope data for left channel (after decoupling) + * dequantized envelope data for right channel (after decoupling) + * + * Return: none + **************************************************************************************/ +void UncoupleSBREnvelope(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChanR) +{ + int env, band, nBands, scalei, E_1; + + scalei = (sbrGrid->ampResFrame ? 0 : 1); + for (env = 0; env < sbrGrid->numEnv; env++) { + nBands = (sbrGrid->freqRes[env] ? sbrFreq->nHigh : sbrFreq->nLow); + psi->envDataDequantScale[1][env] = psi->envDataDequantScale[0][env]; /* same scalefactor for L and R */ + for (band = 0; band < nBands; band++) { + /* clip E_1 to [0, 24] (scalefactors approach 0 or 2) */ + E_1 = sbrChanR->envDataQuant[env][band] >> scalei; + if (E_1 < 0) { + E_1 = 0; + } + if (E_1 > 24) { + E_1 = 24; + } + + /* envDataDequant[0] has 1 GB, so << by 2 is okay */ + psi->envDataDequant[1][env][band] = MULSHIFT32(psi->envDataDequant[0][env][band], dqTabCouple[24 - E_1]) << 2; + psi->envDataDequant[0][env][band] = MULSHIFT32(psi->envDataDequant[0][env][band], dqTabCouple[E_1]) << 2; + } + } +} + +/************************************************************************************** + * Function: UncoupleSBRNoise + * + * Description: scale dequantized noise floor scalefactors according to channel + * coupling rules + * + * Inputs: initialized PSInfoSBR struct including + * dequantized noise data for left channel + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel including + * quantized noise scalefactors + * + * Outputs: dequantized noise data for left channel (after decoupling) + * dequantized noise data for right channel (after decoupling) + * + * Return: none + **************************************************************************************/ +void UncoupleSBRNoise(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChanR) +{ + int noiseFloor, band, Q_1; + + for (noiseFloor = 0; noiseFloor < sbrGrid->numNoiseFloors; noiseFloor++) { + for (band = 0; band < sbrFreq->numNoiseFloorBands; band++) { + /* Q_1 should be in range [0, 24] according to 4.6.18.3.6, but check to make sure */ + Q_1 = sbrChanR->noiseDataQuant[noiseFloor][band]; + if (Q_1 < 0) { + Q_1 = 0; + } + if (Q_1 > 24) { + Q_1 = 24; + } + + /* noiseDataDequant[0] has 1 GB, so << by 2 is okay */ + psi->noiseDataDequant[1][noiseFloor][band] = MULSHIFT32(psi->noiseDataDequant[0][noiseFloor][band], dqTabCouple[24 - Q_1]) << 2; + psi->noiseDataDequant[0][noiseFloor][band] = MULSHIFT32(psi->noiseDataDequant[0][noiseFloor][band], dqTabCouple[Q_1]) << 2; + } + } +} diff --git a/audio_codec/libfaad/helixaac/sbrimdct.c b/audio_codec/libfaad/helixaac/sbrimdct.c new file mode 100644 index 0000000..abec008 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/sbrimdct.c @@ -0,0 +1,447 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrimdct.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrimdct.c - inverse MDCT without clipping or interleaving, for input to SBR + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +/************************************************************************************** + * Function: DecWindowOverlapNoClip + * + * Description: apply synthesis window, do overlap-add without clipping, + * for winSequence LONG-LONG + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 32-bit PCM, non-interleaved + * + * Return: none + * + * Notes: use this function when the decoded PCM is going to the SBR decoder + **************************************************************************************/ +void DecWindowOverlapNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev) +{ + int in, w0, w1, f0, f1; + int *buf1, *over1, *out1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + out1 = out0 + 1024 - 1; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + if (winTypeCurr == winTypePrev) { + /* cut window loads in half since current and overlap sections use same symmetric window */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } else { + /* different windows for current and overlap parts - should still fit in registers on ARM w/o stack spill */ + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } +} + +/************************************************************************************** + * Function: DecWindowOverlapLongStart + * + * Description: apply synthesis window, do overlap-add, without clipping + * for winSequence LONG-START + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 32-bit PCM, non-interleaved + * + * Return: none + * + * Notes: use this function when the decoded PCM is going to the SBR decoder + **************************************************************************************/ +void DecWindowOverlapLongStartNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1, *out1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + out1 = out0 + 1024 - 1; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + i = 448; /* 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + in = *buf1--; + + *over1-- = 0; /* Wn = 0 for n = (2047, 2046, ... 1600) */ + *over0++ = in >> 1; /* Wn = 1 for n = (1024, 1025, ... 1471) */ + } while (--i); + + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + + /* do 64 more loops - 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; /* W[0], W[1], ... --> W[255], W[254], ... */ + w1 = *wndCurr++; /* W[127], W[126], ... --> W[128], W[129], ... */ + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); /* Wn = short window for n = (1599, 1598, ... , 1536) */ + *over0++ = MULSHIFT32(w1, in); /* Wn = short window for n = (1472, 1473, ... , 1535) */ + } while (over0 < over1); +} + +/************************************************************************************** + * Function: DecWindowOverlapLongStop + * + * Description: apply synthesis window, do overlap-add, without clipping + * for winSequence LONG-STOP + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 32-bit PCM, non-interleaved + * + * Return: none + * + * Notes: use this function when the decoded PCM is going to the SBR decoder + **************************************************************************************/ +void DecWindowOverlapLongStopNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1, *out1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + out1 = out0 + 1024 - 1; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + + i = 448; /* 2 outputs, 2 overlaps per loop */ + do { + /* Wn = 0 for n = (0, 1, ... 447) */ + /* Wn = 1 for n = (576, 577, ... 1023) */ + in = *buf0++; + f1 = in >> 1; /* scale since skipping multiply by Q31 */ + + in = *over0; + *out0++ = in; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (--i); + + /* do 64 more loops - 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; /* W[0], W[1], ...W[63] */ + w1 = *wndPrev++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); +} + +/************************************************************************************** + * Function: DecWindowOverlapShort + * + * Description: apply synthesis window, do overlap-add, without clipping + * for winSequence EIGHT-SHORT (does all 8 short blocks) + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 32-bit PCM, non-interleaved + * + * Return: none + * + * Notes: use this function when the decoded PCM is going to the SBR decoder + **************************************************************************************/ +void DecWindowOverlapShortNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1, *out1; + const int *wndPrev, *wndCurr; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + + /* pcm[0-447] = 0 + overlap[0-447] */ + i = 448; + do { + f0 = *over0++; + f1 = *over0++; + *out0++ = f0; + *out0++ = f1; + i -= 2; + } while (i); + + /* pcm[448-575] = Wp[0-127] * block0[0-127] + overlap[448-575] */ + out1 = out0 + (128 - 1); + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + do { + w0 = *wndPrev++; /* W[0], W[1], ...W[63] */ + w1 = *wndPrev++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + /* save over0/over1 for next short block, in the slots just vacated */ + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + + /* pcm[576-703] = Wc[128-255] * block0[128-255] + Wc[0-127] * block1[0-127] + overlap[576-703] + * pcm[704-831] = Wc[128-255] * block1[128-255] + Wc[0-127] * block2[0-127] + overlap[704-831] + * pcm[832-959] = Wc[128-255] * block2[128-255] + Wc[0-127] * block3[0-127] + overlap[832-959] + */ + for (i = 0; i < 3; i++) { + out0 += 64; + out1 = out0 + 128 - 1; + over0 += 64; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *(over0 - 128); /* from last short block */ + in += *(over0 + 0); /* from last full frame */ + *out0++ = in - f0; + + in = *(over1 - 128); /* from last short block */ + in += *(over1 + 0); /* from last full frame */ + *out1-- = in + f1; + + /* save over0/over1 for next short block, in the slots just vacated */ + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } + + /* pcm[960-1023] = Wc[128-191] * block3[128-191] + Wc[0-63] * block4[0-63] + overlap[960-1023] + * over[0-63] = Wc[192-255] * block3[192-255] + Wc[64-127] * block4[64-127] + */ + out0 += 64; + over0 -= 832; /* points at overlap[64] */ + over1 = over0 + 128 - 1; /* points at overlap[191] */ + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *(over0 + 768); /* from last short block */ + in += *(over0 + 896); /* from last full frame */ + *out0++ = in - f0; + + in = *(over1 + 768); /* from last short block */ + *(over1 - 128) = in + f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); /* save in overlap[128-191] */ + *over0++ = MULSHIFT32(w1, in); /* save in overlap[64-127] */ + } while (over0 < over1); + + /* over0 now points at overlap[128] */ + + /* over[64-191] = Wc[128-255] * block4[128-255] + Wc[0-127] * block5[0-127] + * over[192-319] = Wc[128-255] * block5[128-255] + Wc[0-127] * block6[0-127] + * over[320-447] = Wc[128-255] * block6[128-255] + Wc[0-127] * block7[0-127] + * over[448-576] = Wc[128-255] * block7[128-255] + */ + for (i = 0; i < 3; i++) { + over0 += 64; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + /* from last short block */ + *(over0 - 128) -= f0; + *(over1 - 128) += f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } + + /* over[576-1024] = 0 */ + i = 448; + over0 += 64; + do { + *over0++ = 0; + *over0++ = 0; + *over0++ = 0; + *over0++ = 0; + i -= 4; + } while (i); +} diff --git a/audio_codec/libfaad/helixaac/sbrmath.c b/audio_codec/libfaad/helixaac/sbrmath.c new file mode 100644 index 0000000..784f909 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/sbrmath.c @@ -0,0 +1,198 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrmath.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrmath.c - fixed-point math functions for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +#define Q28_2 0x20000000 /* Q28: 2.0 */ +#define Q28_15 0x30000000 /* Q28: 1.5 */ + +#define NUM_ITER_IRN 5 + +/************************************************************************************** + * Function: InvRNormalized + * + * Description: use Newton's method to solve for x = 1/r + * + * Inputs: r = Q31, range = [0.5, 1) (normalize your inputs to this range) + * + * Outputs: none + * + * Return: x = Q29, range ~= [1.0, 2.0] + * + * Notes: guaranteed to converge and not overflow for any r in [0.5, 1) + * + * xn+1 = xn - f(xn)/f'(xn) + * f(x) = 1/r - x = 0 (find root) + * = 1/x - r + * f'(x) = -1/x^2 + * + * so xn+1 = xn - (1/xn - r) / (-1/xn^2) + * = xn * (2 - r*xn) + * + * NUM_ITER_IRN = 2, maxDiff = 6.2500e-02 (precision of about 4 bits) + * NUM_ITER_IRN = 3, maxDiff = 3.9063e-03 (precision of about 8 bits) + * NUM_ITER_IRN = 4, maxDiff = 1.5288e-05 (precision of about 16 bits) + * NUM_ITER_IRN = 5, maxDiff = 3.0034e-08 (precision of about 24 bits) + **************************************************************************************/ +int InvRNormalized(int r) +{ + int i, xn, t; + + /* r = [0.5, 1.0) + * 1/r = (1.0, 2.0] + * so use 1.5 as initial guess + */ + xn = Q28_15; + + /* xn = xn*(2.0 - r*xn) */ + for (i = NUM_ITER_IRN; i != 0; i--) { + t = MULSHIFT32(r, xn); /* Q31*Q29 = Q28 */ + t = Q28_2 - t; /* Q28 */ + xn = MULSHIFT32(xn, t) << 4; /* Q29*Q28 << 4 = Q29 */ + } + + return xn; +} + +#define NUM_TERMS_RPI 5 +#define LOG2_EXP_INV 0x58b90bfc /* 1/log2(e), Q31 */ + +/* invTab[x] = 1/(x+1), format = Q30 */ +static const int invTab[NUM_TERMS_RPI] = {0x40000000, 0x20000000, 0x15555555, 0x10000000, 0x0ccccccd}; + +/************************************************************************************** + * Function: RatioPowInv + * + * Description: use Taylor (MacLaurin) series expansion to calculate (a/b) ^ (1/c) + * + * Inputs: a = [1, 64], b = [1, 64], c = [1, 64], a >= b + * + * Outputs: none + * + * Return: y = Q24, range ~= [0.015625, 64] + **************************************************************************************/ +int RatioPowInv(int a, int b, int c) +{ + int lna, lnb, i, p, t, y; + + if (a < 1 || b < 1 || c < 1 || a > 64 || b > 64 || c > 64 || a < b) { + return 0; + } + + lna = MULSHIFT32(log2Tab[a], LOG2_EXP_INV) << 1; /* ln(a), Q28 */ + lnb = MULSHIFT32(log2Tab[b], LOG2_EXP_INV) << 1; /* ln(b), Q28 */ + p = (lna - lnb) / c; /* Q28 */ + + /* sum in Q24 */ + y = (1 << 24); + t = p >> 4; /* t = p^1 * 1/1! (Q24)*/ + y += t; + + for (i = 2; i <= NUM_TERMS_RPI; i++) { + t = MULSHIFT32(invTab[i - 1], t) << 2; + t = MULSHIFT32(p, t) << 4; /* t = p^i * 1/i! (Q24) */ + y += t; + } + + return y; +} + +/************************************************************************************** + * Function: SqrtFix + * + * Description: use binary search to calculate sqrt(q) + * + * Inputs: q = Q30 + * number of fraction bits in input + * + * Outputs: number of fraction bits in output + * + * Return: lo = Q(fBitsOut) + * + * Notes: absolute precision varies depending on fBitsIn + * normalizes input to range [0x200000000, 0x7fffffff] and takes + * floor(sqrt(input)), and sets fBitsOut appropriately + **************************************************************************************/ +int SqrtFix(int q, int fBitsIn, int *fBitsOut) +{ + int z, lo, hi, mid; + + if (q <= 0) { + *fBitsOut = fBitsIn; + return 0; + } + + /* force even fBitsIn */ + z = fBitsIn & 0x01; + q >>= z; + fBitsIn -= z; + + /* for max precision, normalize to [0x20000000, 0x7fffffff] */ + z = (CLZ(q) - 1); + z >>= 1; + q <<= (2 * z); + + /* choose initial bounds */ + lo = 1; + if (q >= 0x10000000) { + lo = 16384; /* (int)sqrt(0x10000000) */ + } + hi = 46340; /* (int)sqrt(0x7fffffff) */ + + /* do binary search with 32x32->32 multiply test */ + do { + mid = (lo + hi) >> 1; + if (mid * mid > q) { + hi = mid - 1; + } else { + lo = mid + 1; + } + } while (hi >= lo); + lo--; + + *fBitsOut = ((fBitsIn + 2 * z) >> 1); + return lo; +} diff --git a/audio_codec/libfaad/helixaac/sbrqmf.c b/audio_codec/libfaad/helixaac/sbrqmf.c new file mode 100644 index 0000000..6a9464a --- a/dev/null +++ b/audio_codec/libfaad/helixaac/sbrqmf.c @@ -0,0 +1,648 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrqmf.c,v 1.1.2.2 2005/05/19 21:00:01 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrqmf.c - analysis and synthesis QMF filters for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +/* PreMultiply64() table + * format = Q30 + * reordered for sequential access + * + * for (i = 0; i < 64/4; i++) { + * angle = (i + 0.25) * M_PI / nmdct; + * x = (cos(angle) + sin(angle)); + * x = sin(angle); + * + * angle = (nmdct/2 - 1 - i + 0.25) * M_PI / nmdct; + * x = (cos(angle) + sin(angle)); + * x = sin(angle); + * } + */ +static const int cos4sin4tab64[64] = { + 0x40c7d2bd, 0x00c90e90, 0x424ff28f, 0x3ff4e5e0, 0x43cdd89a, 0x03ecadcf, 0x454149fc, 0x3fc395f9, + 0x46aa0d6d, 0x070de172, 0x4807eb4b, 0x3f6af2e3, 0x495aada2, 0x0a2abb59, 0x4aa22036, 0x3eeb3347, + 0x4bde1089, 0x0d415013, 0x4d0e4de2, 0x3e44a5ef, 0x4e32a956, 0x104fb80e, 0x4f4af5d1, 0x3d77b192, + 0x50570819, 0x135410c3, 0x5156b6d9, 0x3c84d496, 0x5249daa2, 0x164c7ddd, 0x53304df6, 0x3b6ca4c4, + 0x5409ed4b, 0x19372a64, 0x54d69714, 0x3a2fcee8, 0x55962bc0, 0x1c1249d8, 0x56488dc5, 0x38cf1669, + 0x56eda1a0, 0x1edc1953, 0x57854ddd, 0x374b54ce, 0x580f7b19, 0x2192e09b, 0x588c1404, 0x35a5793c, + 0x58fb0568, 0x2434f332, 0x595c3e2a, 0x33de87de, 0x59afaf4c, 0x26c0b162, 0x59f54bee, 0x31f79948, + 0x5a2d0957, 0x29348937, 0x5a56deec, 0x2ff1d9c7, 0x5a72c63b, 0x2b8ef77d, 0x5a80baf6, 0x2dce88aa, +}; + +/* PostMultiply64() table + * format = Q30 + * reordered for sequential access + * + * for (i = 0; i <= (32/2); i++) { + * angle = i * M_PI / 64; + * x = (cos(angle) + sin(angle)); + * x = sin(angle); + * } + */ +static const int cos1sin1tab64[34] = { + 0x40000000, 0x00000000, 0x43103085, 0x0323ecbe, 0x45f704f7, 0x0645e9af, 0x48b2b335, 0x09640837, + 0x4b418bbe, 0x0c7c5c1e, 0x4da1fab5, 0x0f8cfcbe, 0x4fd288dc, 0x1294062f, 0x51d1dc80, 0x158f9a76, + 0x539eba45, 0x187de2a7, 0x553805f2, 0x1b5d100a, 0x569cc31b, 0x1e2b5d38, 0x57cc15bc, 0x20e70f32, + 0x58c542c5, 0x238e7673, 0x5987b08a, 0x261feffa, 0x5a12e720, 0x2899e64a, 0x5a6690ae, 0x2afad269, + 0x5a82799a, 0x2d413ccd, +}; + +/************************************************************************************** + * Function: PreMultiply64 + * + * Description: pre-twiddle stage of 64-point DCT-IV + * + * Inputs: buffer of 64 samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out, gains 2 int bits + * gbOut = gbIn + 1 + * output is limited to sqrt(2)/2 plus GB in full GB + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + **************************************************************************************/ +static void PreMultiply64(int *zbuf1) +{ + int i, ar1, ai1, ar2, ai2, z1, z2; + int t, cms2, cps2a, sin2a, cps2b, sin2b; + int *zbuf2; + const int *csptr; + + zbuf2 = zbuf1 + 64 - 1; + csptr = cos4sin4tab64; + + /* whole thing should fit in registers - verify that compiler does this */ + for (i = 64 >> 2; i != 0; i--) { + /* cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) */ + cps2a = *csptr++; + sin2a = *csptr++; + cps2b = *csptr++; + sin2b = *csptr++; + + ar1 = *(zbuf1 + 0); + ai2 = *(zbuf1 + 1); + ai1 = *(zbuf2 + 0); + ar2 = *(zbuf2 - 1); + + /* gain 2 ints bit from MULSHIFT32 by Q30 + * max per-sample gain (ignoring implicit scaling) = MAX(sin(angle)+cos(angle)) = 1.414 + * i.e. gain 1 GB since worst case is sin(angle) = cos(angle) = 0.707 (Q30), gain 2 from + * extra sign bits, and eat one in adding + */ + t = MULSHIFT32(sin2a, ar1 + ai1); + z2 = MULSHIFT32(cps2a, ai1) - t; + cms2 = cps2a - 2 * sin2a; + z1 = MULSHIFT32(cms2, ar1) + t; + *zbuf1++ = z1; /* cos*ar1 + sin*ai1 */ + *zbuf1++ = z2; /* cos*ai1 - sin*ar1 */ + + t = MULSHIFT32(sin2b, ar2 + ai2); + z2 = MULSHIFT32(cps2b, ai2) - t; + cms2 = cps2b - 2 * sin2b; + z1 = MULSHIFT32(cms2, ar2) + t; + *zbuf2-- = z2; /* cos*ai2 - sin*ar2 */ + *zbuf2-- = z1; /* cos*ar2 + sin*ai2 */ + } +} + +/************************************************************************************** + * Function: PostMultiply64 + * + * Description: post-twiddle stage of 64-point type-IV DCT + * + * Inputs: buffer of 64 samples + * number of output samples to calculate + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out, gains 2 int bits + * gbOut = gbIn + 1 + * output is limited to sqrt(2)/2 plus GB in full GB + * nSampsOut is rounded up to next multiple of 4, since we calculate + * 4 samples per loop + **************************************************************************************/ +static void PostMultiply64(int *fft1, int nSampsOut) +{ + int i, ar1, ai1, ar2, ai2; + int t, cms2, cps2, sin2; + int *fft2; + const int *csptr; + + csptr = cos1sin1tab64; + fft2 = fft1 + 64 - 1; + + /* load coeffs for first pass + * cps2 = (cos+sin)/2, sin2 = sin/2, cms2 = (cos-sin)/2 + */ + cps2 = *csptr++; + sin2 = *csptr++; + cms2 = cps2 - 2 * sin2; + + for (i = (nSampsOut + 3) >> 2; i != 0; i--) { + ar1 = *(fft1 + 0); + ai1 = *(fft1 + 1); + ar2 = *(fft2 - 1); + ai2 = *(fft2 + 0); + + /* gain 2 int bits (multiplying by Q30), max gain = sqrt(2) */ + t = MULSHIFT32(sin2, ar1 + ai1); + *fft2-- = t - MULSHIFT32(cps2, ai1); + *fft1++ = t + MULSHIFT32(cms2, ar1); + + cps2 = *csptr++; + sin2 = *csptr++; + + ai2 = -ai2; + t = MULSHIFT32(sin2, ar2 + ai2); + *fft2-- = t - MULSHIFT32(cps2, ai2); + cms2 = cps2 - 2 * sin2; + *fft1++ = t + MULSHIFT32(cms2, ar2); + } +} + +/************************************************************************************** + * Function: QMFAnalysisConv + * + * Description: convolution kernel for analysis QMF + * + * Inputs: pointer to coefficient table, reordered for sequential access + * delay buffer of size 32*10 = 320 real-valued PCM samples + * index for delay ring buffer (range = [0, 9]) + * + * Outputs: 64 consecutive 32-bit samples + * + * Return: none + * + * Notes: this is carefully written to be efficient on ARM + * use the assembly code version in sbrqmfak.s when building for ARM! + **************************************************************************************/ +#if 0// (defined (__arm) && defined (__ARMCC_VERSION)) || (defined (_WIN32) && defined (_WIN32_WCE) && defined (ARM)) || (defined(__GNUC__) && defined(__arm__)) +#ifdef __cplusplus +extern "C" +#endif +void QMFAnalysisConv(int *cTab, int *delay, int dIdx, int *uBuf); +#else +void QMFAnalysisConv(int *cTab, int *delay, int dIdx, int *uBuf) +{ + int k, dOff; + int *cPtr0, *cPtr1; + U64 u64lo, u64hi; + + dOff = dIdx * 32 + 31; + cPtr0 = cTab; + cPtr1 = cTab + 33 * 5 - 1; + + /* special first pass since we need to flip sign to create cTab[384], cTab[512] */ + u64lo.w64 = 0; + u64hi.w64 = 0; + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, -(*cPtr1--), delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, -(*cPtr1--), delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + + uBuf[0] = u64lo.r.hi32; + uBuf[32] = u64hi.r.hi32; + uBuf++; + dOff--; + + /* max gain for any sample in uBuf, after scaling by cTab, ~= 0.99 + * so we can just sum the uBuf values with no overflow problems + */ + for (k = 1; k <= 31; k++) { + u64lo.w64 = 0; + u64hi.w64 = 0; + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + + uBuf[0] = u64lo.r.hi32; + uBuf[32] = u64hi.r.hi32; + uBuf++; + dOff--; + } +} +#endif + +/************************************************************************************** + * Function: QMFAnalysis + * + * Description: 32-subband analysis QMF (4.6.18.4.1) + * + * Inputs: 32 consecutive samples of decoded 32-bit PCM, format = Q(fBitsIn) + * delay buffer of size 32*10 = 320 PCM samples + * number of fraction bits in input PCM + * index for delay ring buffer (range = [0, 9]) + * number of subbands to calculate (range = [0, 32]) + * + * Outputs: qmfaBands complex subband samples, format = Q(FBITS_OUT_QMFA) + * updated delay buffer + * updated delay index + * + * Return: guard bit mask + * + * Notes: output stored as RE{X0}, IM{X0}, RE{X1}, IM{X1}, ... RE{X31}, IM{X31} + * output stored in int buffer of size 64*2 = 128 + * (zero-filled from XBuf[2*qmfaBands] to XBuf[127]) + **************************************************************************************/ +int QMFAnalysis(int *inbuf, int *delay, int *XBuf, int fBitsIn, int *delayIdx, int qmfaBands) +{ + int n, y, shift, gbMask; + int *delayPtr, *uBuf, *tBuf; + + /* use XBuf[128] as temp buffer for reordering */ + uBuf = XBuf; /* first 64 samples */ + tBuf = XBuf + 64; /* second 64 samples */ + + /* overwrite oldest PCM with new PCM + * delay[n] has 1 GB after shifting (either << or >>) + */ + delayPtr = delay + (*delayIdx * 32); + if (fBitsIn > FBITS_IN_QMFA) { + shift = MIN(fBitsIn - FBITS_IN_QMFA, 31); + for (n = 32; n != 0; n--) { + y = (*inbuf) >> shift; + inbuf++; + *delayPtr++ = y; + } + } else { + shift = MIN(FBITS_IN_QMFA - fBitsIn, 30); + for (n = 32; n != 0; n--) { + y = *inbuf++; + CLIP_2N_SHIFT30(y, shift); + *delayPtr++ = y; + } + } + + QMFAnalysisConv((int *)cTabA, delay, *delayIdx, uBuf); + + /* uBuf has at least 2 GB right now (1 from clipping to Q(FBITS_IN_QMFA), one from + * the scaling by cTab (MULSHIFT32(*delayPtr--, *cPtr++), with net gain of < 1.0) + * TODO - fuse with QMFAnalysisConv to avoid separate reordering + */ + tBuf[2 * 0 + 0] = uBuf[0]; + tBuf[2 * 0 + 1] = uBuf[1]; + for (n = 1; n < 31; n++) { + tBuf[2 * n + 0] = -uBuf[64 - n]; + tBuf[2 * n + 1] = uBuf[n + 1]; + } + tBuf[2 * 31 + 1] = uBuf[32]; + tBuf[2 * 31 + 0] = -uBuf[33]; + + /* fast in-place DCT-IV - only need 2*qmfaBands output samples */ + PreMultiply64(tBuf); /* 2 GB in, 3 GB out */ + FFT32C(tBuf); /* 3 GB in, 1 GB out */ + PostMultiply64(tBuf, qmfaBands * 2); /* 1 GB in, 2 GB out */ + + /* TODO - roll into PostMultiply (if enough registers) */ + gbMask = 0; + for (n = 0; n < qmfaBands; n++) { + XBuf[2 * n + 0] = tBuf[ n + 0]; /* implicit scaling of 2 in our output Q format */ + gbMask |= FASTABS(XBuf[2 * n + 0]); + XBuf[2 * n + 1] = -tBuf[63 - n]; + gbMask |= FASTABS(XBuf[2 * n + 1]); + } + + /* fill top section with zeros for HF generation */ + for (; n < 64; n++) { + XBuf[2 * n + 0] = 0; + XBuf[2 * n + 1] = 0; + } + + *delayIdx = (*delayIdx == NUM_QMF_DELAY_BUFS - 1 ? 0 : *delayIdx + 1); + + /* minimum of 2 GB in output */ + return gbMask; +} + +/* lose FBITS_LOST_DCT4_64 in DCT4, gain 6 for implicit scaling by 1/64, lose 1 for cTab multiply (Q31) */ +#define FBITS_OUT_QMFS (FBITS_IN_QMFS - FBITS_LOST_DCT4_64 + 6 - 1) +#define RND_VAL (1 << (FBITS_OUT_QMFS-1)) + +/************************************************************************************** + * Function: QMFSynthesisConv + * + * Description: final convolution kernel for synthesis QMF + * + * Inputs: pointer to coefficient table, reordered for sequential access + * delay buffer of size 64*10 = 640 complex samples (1280 ints) + * index for delay ring buffer (range = [0, 9]) + * number of QMF subbands to process (range = [0, 64]) + * number of channels + * + * Outputs: 64 consecutive 16-bit PCM samples, interleaved by factor of nChans + * + * Return: none + * + * Notes: this is carefully written to be efficient on ARM + * use the assembly code version in sbrqmfsk.s when building for ARM! + **************************************************************************************/ +#if 0// (defined (__arm) && defined (__ARMCC_VERSION)) || (defined (_WIN32) && defined (_WIN32_WCE) && defined (ARM)) || (defined(__GNUC__) && defined(__arm__)) +#ifdef __cplusplus +extern "C" +#endif +void QMFSynthesisConv(int *cPtr, int *delay, int dIdx, short *outbuf, int nChans); +#else +void QMFSynthesisConv(int *cPtr, int *delay, int dIdx, short *outbuf, int nChans) +{ + int k, dOff0, dOff1; + U64 sum64; + + dOff0 = (dIdx) * 128; + dOff1 = dOff0 - 1; + if (dOff1 < 0) { + dOff1 += 1280; + } + + /* scaling note: total gain of coefs (cPtr[0]-cPtr[9] for any k) is < 2.0, so 1 GB in delay values is adequate */ + for (k = 0; k <= 63; k++) { + sum64.w64 = 0; + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + + dOff0++; + dOff1--; + *outbuf = CLIPTOSHORT((sum64.r.hi32 + RND_VAL) >> FBITS_OUT_QMFS); + outbuf += nChans; + } +} +#endif + +/************************************************************************************** + * Function: QMFSynthesis + * + * Description: 64-subband synthesis QMF (4.6.18.4.2) + * + * Inputs: 64 consecutive complex subband QMF samples, format = Q(FBITS_IN_QMFS) + * delay buffer of size 64*10 = 640 complex samples (1280 ints) + * index for delay ring buffer (range = [0, 9]) + * number of QMF subbands to process (range = [0, 64]) + * number of channels + * + * Outputs: 64 consecutive 16-bit PCM samples, interleaved by factor of nChans + * updated delay buffer + * updated delay index + * + * Return: none + * + * Notes: assumes MIN_GBITS_IN_QMFS guard bits in input, either from + * QMFAnalysis (if upsampling only) or from MapHF (if SBR on) + **************************************************************************************/ +void QMFSynthesis(int *inbuf, int *delay, int *delayIdx, int qmfsBands, short *outbuf, int nChans) +{ + int n, a0, a1, b0, b1, dOff0, dOff1, dIdx; + int *tBufLo, *tBufHi; + + dIdx = *delayIdx; + tBufLo = delay + dIdx * 128 + 0; + tBufHi = delay + dIdx * 128 + 127; + + /* reorder inputs to DCT-IV, only use first qmfsBands (complex) samples + * TODO - fuse with PreMultiply64 to avoid separate reordering steps + */ + for (n = 0; n < qmfsBands >> 1; n++) { + a0 = *inbuf++; + b0 = *inbuf++; + a1 = *inbuf++; + b1 = *inbuf++; + *tBufLo++ = a0; + *tBufLo++ = a1; + *tBufHi-- = b0; + *tBufHi-- = b1; + } + if (qmfsBands & 0x01) { + a0 = *inbuf++; + b0 = *inbuf++; + *tBufLo++ = a0; + *tBufHi-- = b0; + *tBufLo++ = 0; + *tBufHi-- = 0; + n++; + } + for (; n < 32; n++) { + *tBufLo++ = 0; + *tBufHi-- = 0; + *tBufLo++ = 0; + *tBufHi-- = 0; + } + + tBufLo = delay + dIdx * 128 + 0; + tBufHi = delay + dIdx * 128 + 64; + + /* 2 GB in, 3 GB out */ + PreMultiply64(tBufLo); + PreMultiply64(tBufHi); + + /* 3 GB in, 1 GB out */ + FFT32C(tBufLo); + FFT32C(tBufHi); + + /* 1 GB in, 2 GB out */ + PostMultiply64(tBufLo, 64); + PostMultiply64(tBufHi, 64); + + /* could fuse with PostMultiply64 to avoid separate pass */ + dOff0 = dIdx * 128; + dOff1 = dIdx * 128 + 64; + for (n = 32; n != 0; n--) { + a0 = (*tBufLo++); + a1 = (*tBufLo++); + b0 = (*tBufHi++); + b1 = -(*tBufHi++); + + delay[dOff0++] = (b0 - a0); + delay[dOff0++] = (b1 - a1); + delay[dOff1++] = (b0 + a0); + delay[dOff1++] = (b1 + a1); + } + + QMFSynthesisConv((int *)cTabS, delay, dIdx, outbuf, nChans); + + *delayIdx = (*delayIdx == NUM_QMF_DELAY_BUFS - 1 ? 0 : *delayIdx + 1); +} diff --git a/audio_codec/libfaad/helixaac/sbrside.c b/audio_codec/libfaad/helixaac/sbrside.c new file mode 100644 index 0000000..070af98 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/sbrside.c @@ -0,0 +1,634 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrside.c,v 1.2 2005/05/24 16:01:55 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrside.c - functions for unpacking side info from SBR bitstream + **************************************************************************************/ + +#include "sbr.h" + +/************************************************************************************** + * Function: GetSampRateIdx + * + * Description: get index of given sample rate + * + * Inputs: sample rate (in Hz) + * + * Outputs: none + * + * Return: index of sample rate (table 1.15 in 14496-3:2001(E)) + * -1 if sample rate not found in table + **************************************************************************************/ +int GetSampRateIdx(int sampRate) +{ + int idx; + + for (idx = 0; idx < NUM_SAMPLE_RATES; idx++) { + if (sampRate == sampRateTab[idx]) { + return idx; + } + } + + return -1; +} + +/************************************************************************************** + * Function: UnpackSBRHeader + * + * Description: unpack SBR header (table 4.56) + * + * Inputs: BitStreamInfo struct pointing to start of SBR header + * + * Outputs: initialized SBRHeader struct for this SCE/CPE block + * + * Return: non-zero if frame reset is triggered, zero otherwise + **************************************************************************************/ +int UnpackSBRHeader(BitStreamInfo *bsi, SBRHeader *sbrHdr) +{ + SBRHeader sbrHdrPrev; + + /* save previous values so we know whether to reset decoder */ + sbrHdrPrev.startFreq = sbrHdr->startFreq; + sbrHdrPrev.stopFreq = sbrHdr->stopFreq; + sbrHdrPrev.freqScale = sbrHdr->freqScale; + sbrHdrPrev.alterScale = sbrHdr->alterScale; + sbrHdrPrev.crossOverBand = sbrHdr->crossOverBand; + sbrHdrPrev.noiseBands = sbrHdr->noiseBands; + + sbrHdr->ampRes = GetBits(bsi, 1); + sbrHdr->startFreq = GetBits(bsi, 4); + sbrHdr->stopFreq = GetBits(bsi, 4); + sbrHdr->crossOverBand = GetBits(bsi, 3); + sbrHdr->resBitsHdr = GetBits(bsi, 2); + sbrHdr->hdrExtra1 = GetBits(bsi, 1); + sbrHdr->hdrExtra2 = GetBits(bsi, 1); + + if (sbrHdr->hdrExtra1) { + sbrHdr->freqScale = GetBits(bsi, 2); + sbrHdr->alterScale = GetBits(bsi, 1); + sbrHdr->noiseBands = GetBits(bsi, 2); + } else { + /* defaults */ + sbrHdr->freqScale = 2; + sbrHdr->alterScale = 1; + sbrHdr->noiseBands = 2; + } + + if (sbrHdr->hdrExtra2) { + sbrHdr->limiterBands = GetBits(bsi, 2); + sbrHdr->limiterGains = GetBits(bsi, 2); + sbrHdr->interpFreq = GetBits(bsi, 1); + sbrHdr->smoothMode = GetBits(bsi, 1); + } else { + /* defaults */ + sbrHdr->limiterBands = 2; + sbrHdr->limiterGains = 2; + sbrHdr->interpFreq = 1; + sbrHdr->smoothMode = 1; + } + sbrHdr->count++; + + /* if any of these have changed from previous frame, reset the SBR module */ + if (sbrHdr->startFreq != sbrHdrPrev.startFreq || sbrHdr->stopFreq != sbrHdrPrev.stopFreq || + sbrHdr->freqScale != sbrHdrPrev.freqScale || sbrHdr->alterScale != sbrHdrPrev.alterScale || + sbrHdr->crossOverBand != sbrHdrPrev.crossOverBand || sbrHdr->noiseBands != sbrHdrPrev.noiseBands + ) { + return -1; + } else { + return 0; + } +} + +/* cLog2[i] = ceil(log2(i)) (disregard i == 0) */ +static const unsigned char cLog2[9] = {0, 0, 1, 2, 2, 3, 3, 3, 3}; + +/************************************************************************************** + * Function: UnpackSBRGrid + * + * Description: unpack SBR grid (table 4.62) + * + * Inputs: BitStreamInfo struct pointing to start of SBR grid + * initialized SBRHeader struct for this SCE/CPE block + * + * Outputs: initialized SBRGrid struct for this channel + * + * Return: none + **************************************************************************************/ +static int UnpackSBRGrid(BitStreamInfo *bsi, SBRHeader *sbrHdr, SBRGrid *sbrGrid) +{ + int numEnvRaw, env, rel, pBits, border, middleBorder = 0; + unsigned char relBordLead[MAX_NUM_ENV], relBordTrail[MAX_NUM_ENV]; + unsigned char relBorder0[3], relBorder1[3], relBorder[3]; + unsigned char numRelBorder0, numRelBorder1, numRelBorder, numRelLead = 0, numRelTrail; + unsigned char absBordLead = 0, absBordTrail = 0, absBorder; + + sbrGrid->ampResFrame = sbrHdr->ampRes; + sbrGrid->frameClass = GetBits(bsi, 2); + switch (sbrGrid->frameClass) { + + case SBR_GRID_FIXFIX: + numEnvRaw = GetBits(bsi, 2); + sbrGrid->numEnv = (1 << numEnvRaw); + if (sbrGrid->numEnv == 1) { + sbrGrid->ampResFrame = 0; + } + + ASSERT(sbrGrid->numEnv == 1 || sbrGrid->numEnv == 2 || sbrGrid->numEnv == 4, ERR_AAC_SBR_BITSTREAM); + + sbrGrid->freqRes[0] = GetBits(bsi, 1); + for (env = 1; env < sbrGrid->numEnv; env++) { + sbrGrid->freqRes[env] = sbrGrid->freqRes[0]; + } + + absBordLead = 0; + absBordTrail = NUM_TIME_SLOTS; + numRelLead = sbrGrid->numEnv - 1; + numRelTrail = 0; + + /* numEnv = 1, 2, or 4 */ + if (sbrGrid->numEnv == 1) { + border = NUM_TIME_SLOTS / 1; + } else if (sbrGrid->numEnv == 2) { + border = NUM_TIME_SLOTS / 2; + } else { + border = NUM_TIME_SLOTS / 4; + } + + for (rel = 0; rel < numRelLead; rel++) { + relBordLead[rel] = border; + } + + middleBorder = (sbrGrid->numEnv >> 1); + + break; + + case SBR_GRID_FIXVAR: + absBorder = GetBits(bsi, 2) + NUM_TIME_SLOTS; + numRelBorder = GetBits(bsi, 2); + sbrGrid->numEnv = numRelBorder + 1; + for (rel = 0; rel < numRelBorder; rel++) { + relBorder[rel] = 2 * GetBits(bsi, 2) + 2; + } + + pBits = cLog2[sbrGrid->numEnv + 1]; + sbrGrid->pointer = GetBits(bsi, pBits); + + for (env = sbrGrid->numEnv - 1; env >= 0; env--) { + sbrGrid->freqRes[env] = GetBits(bsi, 1); + } + + absBordLead = 0; + absBordTrail = absBorder; + numRelLead = 0; + numRelTrail = numRelBorder; + + for (rel = 0; rel < numRelTrail; rel++) { + relBordTrail[rel] = relBorder[rel]; + } + + if (sbrGrid->pointer > 1) { + middleBorder = sbrGrid->numEnv + 1 - sbrGrid->pointer; + } else { + middleBorder = sbrGrid->numEnv - 1; + } + + break; + + case SBR_GRID_VARFIX: + absBorder = GetBits(bsi, 2); + numRelBorder = GetBits(bsi, 2); + sbrGrid->numEnv = numRelBorder + 1; + for (rel = 0; rel < numRelBorder; rel++) { + relBorder[rel] = 2 * GetBits(bsi, 2) + 2; + } + + pBits = cLog2[sbrGrid->numEnv + 1]; + sbrGrid->pointer = GetBits(bsi, pBits); + + for (env = 0; env < sbrGrid->numEnv; env++) { + sbrGrid->freqRes[env] = GetBits(bsi, 1); + } + + absBordLead = absBorder; + absBordTrail = NUM_TIME_SLOTS; + numRelLead = numRelBorder; + numRelTrail = 0; + + for (rel = 0; rel < numRelLead; rel++) { + relBordLead[rel] = relBorder[rel]; + } + + if (sbrGrid->pointer == 0) { + middleBorder = 1; + } else if (sbrGrid->pointer == 1) { + middleBorder = sbrGrid->numEnv - 1; + } else { + middleBorder = sbrGrid->pointer - 1; + } + + break; + + case SBR_GRID_VARVAR: + absBordLead = GetBits(bsi, 2); /* absBorder0 */ + absBordTrail = GetBits(bsi, 2) + NUM_TIME_SLOTS; /* absBorder1 */ + numRelBorder0 = GetBits(bsi, 2); + numRelBorder1 = GetBits(bsi, 2); + + sbrGrid->numEnv = numRelBorder0 + numRelBorder1 + 1; + ASSERT(sbrGrid->numEnv <= 5, ERR_AAC_SBR_BITSTREAM); + + for (rel = 0; rel < numRelBorder0; rel++) { + relBorder0[rel] = 2 * GetBits(bsi, 2) + 2; + } + + for (rel = 0; rel < numRelBorder1; rel++) { + relBorder1[rel] = 2 * GetBits(bsi, 2) + 2; + } + + pBits = cLog2[numRelBorder0 + numRelBorder1 + 2]; + sbrGrid->pointer = GetBits(bsi, pBits); + + for (env = 0; env < sbrGrid->numEnv; env++) { + sbrGrid->freqRes[env] = GetBits(bsi, 1); + } + + numRelLead = numRelBorder0; + numRelTrail = numRelBorder1; + + for (rel = 0; rel < numRelLead; rel++) { + relBordLead[rel] = relBorder0[rel]; + } + + for (rel = 0; rel < numRelTrail; rel++) { + relBordTrail[rel] = relBorder1[rel]; + } + + if (sbrGrid->pointer > 1) { + middleBorder = sbrGrid->numEnv + 1 - sbrGrid->pointer; + } else { + middleBorder = sbrGrid->numEnv - 1; + } + + break; + } + + /* build time border vector */ + sbrGrid->envTimeBorder[0] = absBordLead * SAMPLES_PER_SLOT; + + rel = 0; + border = absBordLead; + for (env = 1; env <= numRelLead; env++) { + border += relBordLead[rel++]; + sbrGrid->envTimeBorder[env] = border * SAMPLES_PER_SLOT; + } + + rel = 0; + border = absBordTrail; + for (env = sbrGrid->numEnv - 1; env > numRelLead; env--) { + border -= relBordTrail[rel++]; + sbrGrid->envTimeBorder[env] = border * SAMPLES_PER_SLOT; + } + + sbrGrid->envTimeBorder[sbrGrid->numEnv] = absBordTrail * SAMPLES_PER_SLOT; + + if (sbrGrid->numEnv > 1) { + sbrGrid->numNoiseFloors = 2; + sbrGrid->noiseTimeBorder[0] = sbrGrid->envTimeBorder[0]; + sbrGrid->noiseTimeBorder[1] = sbrGrid->envTimeBorder[middleBorder]; + sbrGrid->noiseTimeBorder[2] = sbrGrid->envTimeBorder[sbrGrid->numEnv]; + } else { + sbrGrid->numNoiseFloors = 1; + sbrGrid->noiseTimeBorder[0] = sbrGrid->envTimeBorder[0]; + sbrGrid->noiseTimeBorder[1] = sbrGrid->envTimeBorder[1]; + } + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: UnpackDeltaTimeFreq + * + * Description: unpack time/freq flags for delta coding of SBR envelopes (table 4.63) + * + * Inputs: BitStreamInfo struct pointing to start of dt/df flags + * number of envelopes + * number of noise floors + * + * Outputs: delta flags for envelope and noise floors + * + * Return: none + **************************************************************************************/ +static void UnpackDeltaTimeFreq(BitStreamInfo *bsi, int numEnv, unsigned char *deltaFlagEnv, + int numNoiseFloors, unsigned char *deltaFlagNoise) +{ + int env, noiseFloor; + + for (env = 0; env < numEnv; env++) { + deltaFlagEnv[env] = GetBits(bsi, 1); + } + + for (noiseFloor = 0; noiseFloor < numNoiseFloors; noiseFloor++) { + deltaFlagNoise[noiseFloor] = GetBits(bsi, 1); + } +} + +/************************************************************************************** + * Function: UnpackInverseFilterMode + * + * Description: unpack invf flags for chirp factor calculation (table 4.64) + * + * Inputs: BitStreamInfo struct pointing to start of invf flags + * number of noise floor bands + * + * Outputs: invf flags for noise floor bands + * + * Return: none + **************************************************************************************/ +static void UnpackInverseFilterMode(BitStreamInfo *bsi, int numNoiseFloorBands, unsigned char *mode) +{ + int n; + + for (n = 0; n < numNoiseFloorBands; n++) { + mode[n] = GetBits(bsi, 2); + } +} + +/************************************************************************************** + * Function: UnpackSinusoids + * + * Description: unpack sinusoid (harmonic) flags for each SBR subband (table 4.67) + * + * Inputs: BitStreamInfo struct pointing to start of sinusoid flags + * number of high resolution SBR subbands (nHigh) + * + * Outputs: sinusoid flags for each SBR subband, zero-filled above nHigh + * + * Return: none + **************************************************************************************/ +static void UnpackSinusoids(BitStreamInfo *bsi, int nHigh, int addHarmonicFlag, unsigned char *addHarmonic) +{ + int n; + + n = 0; + if (addHarmonicFlag) { + for (; n < nHigh; n++) { + addHarmonic[n] = GetBits(bsi, 1); + } + } + + /* zero out unused bands */ + for (; n < MAX_QMF_BANDS; n++) { + addHarmonic[n] = 0; + } +} + +/************************************************************************************** + * Function: CopyCouplingGrid + * + * Description: copy grid parameters from left to right for channel coupling + * + * Inputs: initialized SBRGrid struct for left channel + * + * Outputs: initialized SBRGrid struct for right channel + * + * Return: none + **************************************************************************************/ +static void CopyCouplingGrid(SBRGrid *sbrGridLeft, SBRGrid *sbrGridRight) +{ + int env, noiseFloor; + + sbrGridRight->frameClass = sbrGridLeft->frameClass; + sbrGridRight->ampResFrame = sbrGridLeft->ampResFrame; + sbrGridRight->pointer = sbrGridLeft->pointer; + + sbrGridRight->numEnv = sbrGridLeft->numEnv; + for (env = 0; env < sbrGridLeft->numEnv; env++) { + sbrGridRight->envTimeBorder[env] = sbrGridLeft->envTimeBorder[env]; + sbrGridRight->freqRes[env] = sbrGridLeft->freqRes[env]; + } + sbrGridRight->envTimeBorder[env] = sbrGridLeft->envTimeBorder[env]; /* borders are [0, numEnv] inclusive */ + + sbrGridRight->numNoiseFloors = sbrGridLeft->numNoiseFloors; + for (noiseFloor = 0; noiseFloor <= sbrGridLeft->numNoiseFloors; noiseFloor++) { + sbrGridRight->noiseTimeBorder[noiseFloor] = sbrGridLeft->noiseTimeBorder[noiseFloor]; + } + + /* numEnvPrev, numNoiseFloorsPrev, freqResPrev are updated in DecodeSBREnvelope() and DecodeSBRNoise() */ +} + +/************************************************************************************** + * Function: CopyCouplingInverseFilterMode + * + * Description: copy invf flags from left to right for channel coupling + * + * Inputs: invf flags for left channel + * number of noise floor bands + * + * Outputs: invf flags for right channel + * + * Return: none + **************************************************************************************/ +static void CopyCouplingInverseFilterMode(int numNoiseFloorBands, unsigned char *modeLeft, unsigned char *modeRight) +{ + int band; + + for (band = 0; band < numNoiseFloorBands; band++) { + modeRight[band] = modeLeft[band]; + } +} + +/************************************************************************************** + * Function: UnpackSBRSingleChannel + * + * Description: unpack sideband info (grid, delta flags, invf flags, envelope and + * noise floor configuration, sinusoids) for a single channel + * + * Inputs: BitStreamInfo struct pointing to start of sideband info + * initialized PSInfoSBR struct (after parsing SBR header and building + * frequency tables) + * base output channel (range = [0, nChans-1]) + * + * Outputs: updated PSInfoSBR struct (SBRGrid and SBRChan) + * + * Return: none + **************************************************************************************/ +int UnpackSBRSingleChannel(BitStreamInfo *bsi, PSInfoSBR *psi, int chBase) +{ + int bitsLeft; + int err = ERR_AAC_NONE; + SBRHeader *sbrHdr = &(psi->sbrHdr[chBase]); + SBRGrid *sbrGridL = &(psi->sbrGrid[chBase + 0]); + SBRFreq *sbrFreq = &(psi->sbrFreq[chBase]); + SBRChan *sbrChanL = &(psi->sbrChan[chBase + 0]); + + psi->dataExtra = GetBits(bsi, 1); + if (psi->dataExtra) { + psi->resBitsData = GetBits(bsi, 4); + } + + err = UnpackSBRGrid(bsi, sbrHdr, sbrGridL); + if (err) { + return err; + } + UnpackDeltaTimeFreq(bsi, sbrGridL->numEnv, sbrChanL->deltaFlagEnv, sbrGridL->numNoiseFloors, sbrChanL->deltaFlagNoise); + UnpackInverseFilterMode(bsi, sbrFreq->numNoiseFloorBands, sbrChanL->invfMode[1]); + + err = DecodeSBREnvelope(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + if (err) { + return err; + } + err = DecodeSBRNoise(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + if (err) { + return err; + } + + sbrChanL->addHarmonicFlag[1] = GetBits(bsi, 1); + UnpackSinusoids(bsi, sbrFreq->nHigh, sbrChanL->addHarmonicFlag[1], sbrChanL->addHarmonic[1]); + + psi->extendedDataPresent = GetBits(bsi, 1); + if (psi->extendedDataPresent) { + psi->extendedDataSize = GetBits(bsi, 4); + if (psi->extendedDataSize == 15) { + psi->extendedDataSize += GetBits(bsi, 8); + } + + bitsLeft = 8 * psi->extendedDataSize; + + /* get ID, unpack extension info, do whatever is necessary with it... */ + while (bitsLeft > 0) { + GetBits(bsi, 8); + bitsLeft -= 8; + } + } + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: UnpackSBRChannelPair + * + * Description: unpack sideband info (grid, delta flags, invf flags, envelope and + * noise floor configuration, sinusoids) for a channel pair + * + * Inputs: BitStreamInfo struct pointing to start of sideband info + * initialized PSInfoSBR struct (after parsing SBR header and building + * frequency tables) + * base output channel (range = [0, nChans-1]) + * + * Outputs: updated PSInfoSBR struct (SBRGrid and SBRChan for both channels) + * + * Return: none + **************************************************************************************/ +int UnpackSBRChannelPair(BitStreamInfo *bsi, PSInfoSBR *psi, int chBase) +{ + int bitsLeft, err = ERR_AAC_NONE; + SBRHeader *sbrHdr = &(psi->sbrHdr[chBase]); + SBRGrid *sbrGridL = &(psi->sbrGrid[chBase + 0]), *sbrGridR = &(psi->sbrGrid[chBase + 1]); + SBRFreq *sbrFreq = &(psi->sbrFreq[chBase]); + SBRChan *sbrChanL = &(psi->sbrChan[chBase + 0]), *sbrChanR = &(psi->sbrChan[chBase + 1]); + + psi->dataExtra = GetBits(bsi, 1); + if (psi->dataExtra) { + psi->resBitsData = GetBits(bsi, 4); + psi->resBitsData = GetBits(bsi, 4); + } + + psi->couplingFlag = GetBits(bsi, 1); + if (psi->couplingFlag) { + err = UnpackSBRGrid(bsi, sbrHdr, sbrGridL); + if (err) { + return err; + } + CopyCouplingGrid(sbrGridL, sbrGridR); + + UnpackDeltaTimeFreq(bsi, sbrGridL->numEnv, sbrChanL->deltaFlagEnv, sbrGridL->numNoiseFloors, sbrChanL->deltaFlagNoise); + UnpackDeltaTimeFreq(bsi, sbrGridR->numEnv, sbrChanR->deltaFlagEnv, sbrGridR->numNoiseFloors, sbrChanR->deltaFlagNoise); + + UnpackInverseFilterMode(bsi, sbrFreq->numNoiseFloorBands, sbrChanL->invfMode[1]); + CopyCouplingInverseFilterMode(sbrFreq->numNoiseFloorBands, sbrChanL->invfMode[1], sbrChanR->invfMode[1]); + + err = DecodeSBREnvelope(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + if (err) { + return err; + } + DecodeSBRNoise(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + DecodeSBREnvelope(bsi, psi, sbrGridR, sbrFreq, sbrChanR, 1); + DecodeSBRNoise(bsi, psi, sbrGridR, sbrFreq, sbrChanR, 1); + + /* pass RIGHT sbrChan struct */ + UncoupleSBREnvelope(psi, sbrGridL, sbrFreq, sbrChanR); + UncoupleSBRNoise(psi, sbrGridL, sbrFreq, sbrChanR); + + } else { + UnpackSBRGrid(bsi, sbrHdr, sbrGridL); + UnpackSBRGrid(bsi, sbrHdr, sbrGridR); + UnpackDeltaTimeFreq(bsi, sbrGridL->numEnv, sbrChanL->deltaFlagEnv, sbrGridL->numNoiseFloors, sbrChanL->deltaFlagNoise); + UnpackDeltaTimeFreq(bsi, sbrGridR->numEnv, sbrChanR->deltaFlagEnv, sbrGridR->numNoiseFloors, sbrChanR->deltaFlagNoise); + UnpackInverseFilterMode(bsi, sbrFreq->numNoiseFloorBands, sbrChanL->invfMode[1]); + UnpackInverseFilterMode(bsi, sbrFreq->numNoiseFloorBands, sbrChanR->invfMode[1]); + + DecodeSBREnvelope(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + DecodeSBREnvelope(bsi, psi, sbrGridR, sbrFreq, sbrChanR, 1); + DecodeSBRNoise(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + DecodeSBRNoise(bsi, psi, sbrGridR, sbrFreq, sbrChanR, 1); + } + + sbrChanL->addHarmonicFlag[1] = GetBits(bsi, 1); + UnpackSinusoids(bsi, sbrFreq->nHigh, sbrChanL->addHarmonicFlag[1], sbrChanL->addHarmonic[1]); + + sbrChanR->addHarmonicFlag[1] = GetBits(bsi, 1); + UnpackSinusoids(bsi, sbrFreq->nHigh, sbrChanR->addHarmonicFlag[1], sbrChanR->addHarmonic[1]); + + psi->extendedDataPresent = GetBits(bsi, 1); + if (psi->extendedDataPresent) { + psi->extendedDataSize = GetBits(bsi, 4); + if (psi->extendedDataSize == 15) { + psi->extendedDataSize += GetBits(bsi, 8); + } + + bitsLeft = 8 * psi->extendedDataSize; + + /* get ID, unpack extension info, do whatever is necessary with it... */ + while (bitsLeft > 0) { + GetBits(bsi, 8); + bitsLeft -= 8; + } + } + return ERR_AAC_NONE; +} diff --git a/audio_codec/libfaad/helixaac/sbrtabs.c b/audio_codec/libfaad/helixaac/sbrtabs.c new file mode 100644 index 0000000..d7ba798 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/sbrtabs.c @@ -0,0 +1,400 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrtabs.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrtabs.c - platform-independent tables for SBR (global, read-only) + **************************************************************************************/ + +#include "sbr.h" + +/* k0Tab[sampRateIdx][k] = k0 = startMin + offset(bs_start_freq) for given sample rate (4.6.18.3.2.1) + * downsampled (single-rate) SBR not currently supported + */ +const unsigned char k0Tab[NUM_SAMPLE_RATES_SBR][16] = { + { 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 23, 27, 31 }, /* 96 kHz */ + { 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 23, 27, 31 }, /* 88 kHz */ + { 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 23, 26, 30 }, /* 64 kHz */ + { 7, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 22, 24, 27, 31 }, /* 48 kHz */ + { 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 23, 25, 28, 32 }, /* 44 kHz */ + { 10, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 27, 29, 32 }, /* 32 kHz */ + { 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 27, 29, 32 }, /* 24 kHz */ + { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 26, 28, 30 }, /* 22 kHz */ + { 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 }, /* 16 kHz */ +}; + +/* k2Tab[sampRateIdx][k] = stopVector(bs_stop_freq) for given sample rate, bs_stop_freq = [0, 13] (4.6.18.3.2.1) + * generated with Matlab script calc_stopvec.m + * downsampled (single-rate) SBR not currently supported + */ +const unsigned char k2Tab[NUM_SAMPLE_RATES_SBR][14] = { + { 13, 15, 17, 19, 21, 24, 27, 31, 35, 39, 44, 50, 57, 64 }, /* 96 kHz */ + { 15, 17, 19, 21, 23, 26, 29, 33, 37, 41, 46, 51, 57, 64 }, /* 88 kHz */ + { 20, 22, 24, 26, 28, 31, 34, 37, 41, 45, 49, 54, 59, 64 }, /* 64 kHz */ + { 21, 23, 25, 27, 29, 32, 35, 38, 41, 45, 49, 54, 59, 64 }, /* 48 kHz */ + { 23, 25, 27, 29, 31, 34, 37, 40, 43, 47, 51, 55, 59, 64 }, /* 44 kHz */ + { 32, 34, 36, 38, 40, 42, 44, 46, 49, 52, 55, 58, 61, 64 }, /* 32 kHz */ + { 32, 34, 36, 38, 40, 42, 44, 46, 49, 52, 55, 58, 61, 64 }, /* 24 kHz */ + { 35, 36, 38, 40, 42, 44, 46, 48, 50, 52, 55, 58, 61, 64 }, /* 22 kHz */ + { 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 60, 62, 64 }, /* 16 kHz */ +}; + +/* NINT(2.048E6 / Fs) (figure 4.47) + * downsampled (single-rate) SBR not currently supported + */ +const unsigned char goalSBTab[NUM_SAMPLE_RATES_SBR] = { + 21, 23, 32, 43, 46, 64, 85, 93, 128 +}; + +const HuffInfo huffTabSBRInfo[10] = { + {19, { 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, 2, 7, 4, 8, 72, 0}, 0}, + {20, { 0, 2, 2, 2, 2, 2, 1, 3, 3, 2, 4, 4, 4, 3, 2, 5, 6, 13, 15, 46}, 121}, + {17, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 2, 0, 0, 1, 25, 10, 0, 0, 0}, 242}, + {19, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 3, 1, 0, 1, 1, 2, 1, 29, 2, 0}, 291}, + {19, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 1, 2, 5, 1, 4, 2, 3, 34, 0}, 340}, + {20, { 1, 1, 1, 1, 1, 1, 0, 2, 2, 2, 2, 2, 1, 2, 3, 4, 4, 7, 10, 16}, 403}, + {14, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 13, 2, 0, 0, 0, 0, 0, 0}, 466}, + {14, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 6, 8, 0, 0, 0, 0, 0, 0}, 491}, + {14, { 1, 1, 1, 1, 1, 1, 0, 2, 0, 1, 1, 0, 51, 2, 0, 0, 0, 0, 0, 0}, 516}, + { 8, { 1, 1, 1, 0, 1, 1, 0, 20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 579}, +}; + +/* Huffman tables from appendix 4.A.6.1, includes offset of -LAV[i] for table i */ +const signed short huffTabSBR[604] = { + /* SBR table sbr_tenv15 [121] (signed) */ + 0, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, -6, 6, -7, 7, -8, + -9, 8, -10, 9, -11, 10, -12, -13, 11, -14, 12, -15, -16, 13, -19, -18, + -17, 14, -24, -20, 16, -26, -21, 15, -23, -25, -22, -60, -59, -58, -57, -56, + -55, -54, -53, -52, -51, -50, -49, -48, -47, -46, -45, -44, -43, -42, -41, -40, + -39, -38, -37, -36, -35, -34, -33, -32, -31, -30, -29, -28, -27, 17, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, + 52, 53, 54, 55, 56, 57, 58, 59, 60, + /* SBR table sbr_fenv15 [121] (signed) */ + 0, -1, 1, -2, -3, 2, -4, 3, -5, 4, -6, 5, -7, 6, -8, 7, + -9, 8, -10, 9, -11, 10, 11, -12, 12, -13, 13, 14, -14, -15, 15, 16, + 17, -16, -17, -18, -19, 18, 19, -20, -21, 20, 21, -24, -23, -22, -26, -28, + 22, 23, 25, -41, -25, 26, 27, -30, -27, 24, 28, 44, -51, -46, -44, -43, + -37, -33, -31, -29, 30, 37, 42, 47, 48, -60, -59, -58, -57, -56, -55, -54, + -53, -52, -50, -49, -48, -47, -45, -42, -40, -39, -38, -36, -35, -34, -32, 29, + 31, 32, 33, 34, 35, 36, 38, 39, 40, 41, 43, 45, 46, 49, 50, 51, + 52, 53, 54, 55, 56, 57, 58, 59, 60, + /* SBR table sbr_tenv15b [49] (signed) */ + 0, 1, -1, 2, -2, 3, -3, 4, -4, -5, 5, -6, 6, 7, -7, 8, + -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -12, -11, -10, -9, + -8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, + 24, + /* SBR table sbr_fenv15b [49] (signed) */ + 0, -1, 1, -2, 2, 3, -3, -4, 4, -5, 5, -6, 6, -7, 7, 8, + -9, -8, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -12, -11, + -10, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, + 24, + /* SBR table sbr_tenv30 [63] (signed) */ + 0, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, -6, -7, 6, -8, 7, + -9, -10, 8, 9, 10, -13, -11, -12, -14, 11, 12, -31, -30, -29, -28, -27, + -26, -25, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + /* SBR table sbr_fenv30 [63] (signed) */ + 0, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, -6, 6, -7, 7, -8, + 8, 9, -9, -10, 10, 11, -11, -12, 12, 13, -13, -15, 14, 15, -14, 18, + -18, -24, -19, 16, 17, -22, -21, -16, 20, 21, 22, 25, -23, -20, 24, -31, + -30, -29, -28, -27, -26, -25, -17, 19, 23, 26, 27, 28, 29, 30, 31, + /* SBR table sbr_tenv30b [25] (signed) */ + 0, 1, -1, -2, 2, 3, -3, -4, 4, -5, -12, -11, -10, -9, -8, -7, + -6, 5, 6, 7, 8, 9, 10, 11, 12, + /* SBR table sbr_fenv30b [25] (signed) */ + 0, -1, 1, -2, 2, 3, -3, -4, 4, -5, 5, 6, -12, -11, -10, -9, + -8, -7, -6, 7, 8, 9, 10, 11, 12, + /* SBR table sbr_tnoise30 [63] (signed) */ + 0, 1, -1, -2, 2, -3, 3, -4, 4, -5, 5, 11, -31, -30, -29, -28, + -27, -26, -25, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -12, + -11, -10, -9, -8, -7, -6, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + /* SBR table sbr_tnoise30b [25] (signed) */ + 0, -1, 1, -2, 2, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, 3, + 4, 5, 6, 7, 8, 9, 10, 11, 12, +}; + +/* log2Tab[x] = floor(log2(x)), format = Q28 */ +const int log2Tab[65] = { + 0x00000000, 0x00000000, 0x10000000, 0x195c01a3, 0x20000000, 0x25269e12, 0x295c01a3, 0x2ceaecfe, + 0x30000000, 0x32b80347, 0x35269e12, 0x3759d4f8, 0x395c01a3, 0x3b350047, 0x3ceaecfe, 0x3e829fb6, + 0x40000000, 0x41663f6f, 0x42b80347, 0x43f782d7, 0x45269e12, 0x4646eea2, 0x4759d4f8, 0x48608280, + 0x495c01a3, 0x4a4d3c25, 0x4b350047, 0x4c1404ea, 0x4ceaecfe, 0x4dba4a47, 0x4e829fb6, 0x4f446359, + 0x50000000, 0x50b5d69b, 0x51663f6f, 0x52118b11, 0x52b80347, 0x5359ebc5, 0x53f782d7, 0x549101ea, + 0x55269e12, 0x55b88873, 0x5646eea2, 0x56d1fafd, 0x5759d4f8, 0x57dea15a, 0x58608280, 0x58df988f, + 0x595c01a3, 0x59d5d9fd, 0x5a4d3c25, 0x5ac24113, 0x5b350047, 0x5ba58feb, 0x5c1404ea, 0x5c80730b, + 0x5ceaecfe, 0x5d53847a, 0x5dba4a47, 0x5e1f4e51, 0x5e829fb6, 0x5ee44cd5, 0x5f446359, 0x5fa2f045, + 0x60000000 +}; + +/* coefficient table 4.A.87, format = Q31 + * reordered as: + * cTab[0], cTab[64], cTab[128], cTab[192], cTab[256], + * cTab[2], cTab[66], cTab[130], cTab[194], cTab[258], + * ... + * cTab[64], cTab[128], cTab[192], cTab[256], cTab[320] + * + * NOTE: cTab[1, 2, ... , 318, 319] = cTab[639, 638, ... 322, 321] + * except cTab[384] = -cTab[256], cTab[512] = -cTab[128] + */ +const int cTabA[165] = { + 0x00000000, 0x0055dba1, 0x01b2e41d, 0x09015651, 0x2e3a7532, 0xffed978a, 0x006090c4, 0x01fd3ba0, 0x08a24899, 0x311af3a4, + 0xfff0065d, 0x006b47fa, 0x024bf7a1, 0x082f552e, 0x33ff670e, 0xffef7b8b, 0x0075fded, 0x029e35b4, 0x07a8127d, 0x36e69691, + 0xffee1650, 0x00807994, 0x02f3e48d, 0x070bbf58, 0x39ce0477, 0xffecc31b, 0x008a7dd7, 0x034d01f0, 0x06593912, 0x3cb41219, + 0xffeb50b2, 0x009424c6, 0x03a966bb, 0x0590a67d, 0x3f962fb8, 0xffe9ca76, 0x009d10bf, 0x04083fec, 0x04b0adcb, 0x4272a385, + 0xffe88ba8, 0x00a520bb, 0x04694101, 0x03b8f8dc, 0x4547daea, 0xffe79e16, 0x00abe79e, 0x04cc2fcf, 0x02a99097, 0x4812f848, + 0xffe6d466, 0x00b1978d, 0x05303f87, 0x01816e06, 0x4ad237a2, 0xffe65416, 0x00b5c867, 0x05950122, 0x0040c496, 0x4d83976c, + 0xffe66dd0, 0x00b8394b, 0x05f9c051, 0xfee723c6, 0x5024d70e, 0xffe69423, 0x00b8c6b0, 0x065dd56a, 0xfd7475d8, 0x52b449de, + 0xffe75361, 0x00b73ab0, 0x06c0f0c0, 0xfbe8f5bd, 0x552f8ff7, 0xffe85b4b, 0x00b36acd, 0x0721bf22, 0xfa44a069, 0x579505f5, + 0xffea353a, 0x00acbd2f, 0x077fedb3, 0xf887507c, 0x59e2f69e, 0xffec8409, 0x00a3508f, 0x07da2b7f, 0xf6b1f3c3, 0x5c16d0ae, + 0xffef2395, 0x0096dcc2, 0x08303897, 0xf4c473c6, 0x5e2f6367, 0xfff294c3, 0x00872c63, 0x0880ffdd, 0xf2bf6ea4, 0x602b0c7f, + 0xfff681d6, 0x007400b8, 0x08cb4e23, 0xf0a3959f, 0x6207f220, 0xfffb42b0, 0x005d36df, 0x090ec1fc, 0xee71b2fe, 0x63c45243, + 0x00007134, 0x00426f36, 0x0949eaac, 0xec2a3f5f, 0x655f63f2, 0x0006b1cf, 0x0023b989, 0x097c1ee8, 0xe9cea84a, 0x66d76725, + 0x000d31b5, 0x0000e790, 0x09a3e163, 0xe75f8bb8, 0x682b39a4, 0x001471f8, 0xffda17f2, 0x09c0e59f, 0xe4de0cb0, 0x6959709d, + 0x001c3549, 0xffaea5d6, 0x09d19ca9, 0xe24b8f66, 0x6a619c5e, 0x0024dd50, 0xff7ee3f1, 0x09d5560b, 0xdfa93ab5, 0x6b42a864, + 0x002d8e42, 0xff4aabc8, 0x09caeb0f, 0xdcf898fb, 0x6bfbdd98, 0x003745f9, 0xff120d70, 0x09b18a1d, 0xda3b176a, 0x6c8c4c7a, + 0x004103f4, 0xfed4bec3, 0x09881dc5, 0xd7722f04, 0x6cf4073e, 0x004b6c46, 0xfe933dc0, 0x094d7ec2, 0xd49fd55f, 0x6d32730f, + 0x0055dba1, 0x01b2e41d, 0x09015651, 0x2e3a7532, 0x6d474e1d, +}; + +/* coefficient table 4.A.87, format = Q31 + * reordered as cTab[0], cTab[64], cTab[128], ... cTab[576], cTab[1], cTab[65], cTab[129], ... cTab[639] + * keeping full table (not using symmetry) to allow sequential access in synth filter inner loop + * format = Q31 + */ +const int cTabS[640] = { + 0x00000000, 0x0055dba1, 0x01b2e41d, 0x09015651, 0x2e3a7532, 0x6d474e1d, 0xd1c58ace, 0x09015651, 0xfe4d1be3, 0x0055dba1, + 0xffede50e, 0x005b5371, 0x01d78bfc, 0x08d3e41b, 0x2faa221c, 0x6d41d963, 0xd3337b3d, 0x09299ead, 0xfe70b8d1, 0x0050b177, + 0xffed978a, 0x006090c4, 0x01fd3ba0, 0x08a24899, 0x311af3a4, 0x6d32730f, 0xd49fd55f, 0x094d7ec2, 0xfe933dc0, 0x004b6c46, + 0xffefc9b9, 0x0065fde5, 0x02244a24, 0x086b1eeb, 0x328cc6f0, 0x6d18520e, 0xd60a46e5, 0x096d0e21, 0xfeb48d0d, 0x00465348, + 0xfff0065d, 0x006b47fa, 0x024bf7a1, 0x082f552e, 0x33ff670e, 0x6cf4073e, 0xd7722f04, 0x09881dc5, 0xfed4bec3, 0x004103f4, + 0xffeff6ca, 0x0070c8a5, 0x0274ba43, 0x07ee507c, 0x3572ec70, 0x6cc59bab, 0xd8d7f21f, 0x099ec3dc, 0xfef3f6ab, 0x003c1fa4, + 0xffef7b8b, 0x0075fded, 0x029e35b4, 0x07a8127d, 0x36e69691, 0x6c8c4c7a, 0xda3b176a, 0x09b18a1d, 0xff120d70, 0x003745f9, + 0xffeedfa4, 0x007b3875, 0x02c89901, 0x075ca90c, 0x385a49c4, 0x6c492217, 0xdb9b5b12, 0x09c018ce, 0xff2ef725, 0x00329ab6, + 0xffee1650, 0x00807994, 0x02f3e48d, 0x070bbf58, 0x39ce0477, 0x6bfbdd98, 0xdcf898fb, 0x09caeb0f, 0xff4aabc8, 0x002d8e42, + 0xffed651d, 0x0085c217, 0x03201116, 0x06b559c3, 0x3b415115, 0x6ba4629f, 0xde529086, 0x09d1fa23, 0xff6542d1, 0x00293718, + 0xffecc31b, 0x008a7dd7, 0x034d01f0, 0x06593912, 0x3cb41219, 0x6b42a864, 0xdfa93ab5, 0x09d5560b, 0xff7ee3f1, 0x0024dd50, + 0xffebe77b, 0x008f4bfc, 0x037ad438, 0x05f7fb90, 0x3e25b17e, 0x6ad73e8d, 0xe0fc421e, 0x09d52709, 0xff975c01, 0x002064f8, + 0xffeb50b2, 0x009424c6, 0x03a966bb, 0x0590a67d, 0x3f962fb8, 0x6a619c5e, 0xe24b8f66, 0x09d19ca9, 0xffaea5d6, 0x001c3549, + 0xffea9192, 0x0098b855, 0x03d8afe6, 0x05237f9d, 0x41058bc6, 0x69e29784, 0xe396a45d, 0x09cab9f2, 0xffc4e365, 0x0018703f, + 0xffe9ca76, 0x009d10bf, 0x04083fec, 0x04b0adcb, 0x4272a385, 0x6959709d, 0xe4de0cb0, 0x09c0e59f, 0xffda17f2, 0x001471f8, + 0xffe940f4, 0x00a1039c, 0x043889c6, 0x0437fb0a, 0x43de620a, 0x68c7269b, 0xe620c476, 0x09b3d77f, 0xffee183b, 0x0010bc63, + 0xffe88ba8, 0x00a520bb, 0x04694101, 0x03b8f8dc, 0x4547daea, 0x682b39a4, 0xe75f8bb8, 0x09a3e163, 0x0000e790, 0x000d31b5, + 0xffe83a07, 0x00a8739d, 0x049aa82f, 0x03343533, 0x46aea856, 0x6785c24d, 0xe89971b7, 0x099140a7, 0x00131c75, 0x0009aa3f, + 0xffe79e16, 0x00abe79e, 0x04cc2fcf, 0x02a99097, 0x4812f848, 0x66d76725, 0xe9cea84a, 0x097c1ee8, 0x0023b989, 0x0006b1cf, + 0xffe7746e, 0x00af374c, 0x04fe20be, 0x02186a91, 0x4973fef1, 0x661fd6b8, 0xeafee7f1, 0x0963ed46, 0x0033b927, 0x00039609, + 0xffe6d466, 0x00b1978d, 0x05303f87, 0x01816e06, 0x4ad237a2, 0x655f63f2, 0xec2a3f5f, 0x0949eaac, 0x00426f36, 0x00007134, + 0xffe6afee, 0x00b3d15c, 0x05626209, 0x00e42fa2, 0x4c2ca3df, 0x64964063, 0xed50a31d, 0x092d7970, 0x00504f41, 0xfffdfa25, + 0xffe65416, 0x00b5c867, 0x05950122, 0x0040c496, 0x4d83976c, 0x63c45243, 0xee71b2fe, 0x090ec1fc, 0x005d36df, 0xfffb42b0, + 0xffe681c6, 0x00b74c37, 0x05c76fed, 0xff96db90, 0x4ed62be3, 0x62ea6474, 0xef8d4d7b, 0x08edfeaa, 0x006928a0, 0xfff91fca, + 0xffe66dd0, 0x00b8394b, 0x05f9c051, 0xfee723c6, 0x5024d70e, 0x6207f220, 0xf0a3959f, 0x08cb4e23, 0x007400b8, 0xfff681d6, + 0xffe66fac, 0x00b8fe0d, 0x062bf5ec, 0xfe310657, 0x516eefb9, 0x611d58a3, 0xf1b461ab, 0x08a75da4, 0x007e0393, 0xfff48700, + 0xffe69423, 0x00b8c6b0, 0x065dd56a, 0xfd7475d8, 0x52b449de, 0x602b0c7f, 0xf2bf6ea4, 0x0880ffdd, 0x00872c63, 0xfff294c3, + 0xffe6fed4, 0x00b85f70, 0x068f8b44, 0xfcb1d740, 0x53f495aa, 0x5f30ff5f, 0xf3c4e887, 0x08594887, 0x008f87aa, 0xfff0e7ef, + 0xffe75361, 0x00b73ab0, 0x06c0f0c0, 0xfbe8f5bd, 0x552f8ff7, 0x5e2f6367, 0xf4c473c6, 0x08303897, 0x0096dcc2, 0xffef2395, + 0xffe80414, 0x00b58c8c, 0x06f1825d, 0xfb19b7bd, 0x56654bdd, 0x5d26be9b, 0xf5be0fa9, 0x08061671, 0x009da526, 0xffedc418, + 0xffe85b4b, 0x00b36acd, 0x0721bf22, 0xfa44a069, 0x579505f5, 0x5c16d0ae, 0xf6b1f3c3, 0x07da2b7f, 0x00a3508f, 0xffec8409, + 0xffe954d0, 0x00b06b68, 0x075112a2, 0xf96916f5, 0x58befacd, 0x5b001db8, 0xf79fa13a, 0x07ad8c26, 0x00a85e94, 0xffeb3849, + 0xffea353a, 0x00acbd2f, 0x077fedb3, 0xf887507c, 0x59e2f69e, 0x59e2f69e, 0xf887507c, 0x077fedb3, 0x00acbd2f, 0xffea353a, + 0xffeb3849, 0x00a85e94, 0x07ad8c26, 0xf79fa13a, 0x5b001db8, 0x58befacd, 0xf96916f5, 0x075112a2, 0x00b06b68, 0xffe954d0, + 0xffec8409, 0x00a3508f, 0x07da2b7f, 0xf6b1f3c3, 0x5c16d0ae, 0x579505f5, 0xfa44a069, 0x0721bf22, 0x00b36acd, 0xffe85b4b, + 0xffedc418, 0x009da526, 0x08061671, 0xf5be0fa9, 0x5d26be9b, 0x56654bdd, 0xfb19b7bd, 0x06f1825d, 0x00b58c8c, 0xffe80414, + 0xffef2395, 0x0096dcc2, 0x08303897, 0xf4c473c6, 0x5e2f6367, 0x552f8ff7, 0xfbe8f5bd, 0x06c0f0c0, 0x00b73ab0, 0xffe75361, + 0xfff0e7ef, 0x008f87aa, 0x08594887, 0xf3c4e887, 0x5f30ff5f, 0x53f495aa, 0xfcb1d740, 0x068f8b44, 0x00b85f70, 0xffe6fed4, + 0xfff294c3, 0x00872c63, 0x0880ffdd, 0xf2bf6ea4, 0x602b0c7f, 0x52b449de, 0xfd7475d8, 0x065dd56a, 0x00b8c6b0, 0xffe69423, + 0xfff48700, 0x007e0393, 0x08a75da4, 0xf1b461ab, 0x611d58a3, 0x516eefb9, 0xfe310657, 0x062bf5ec, 0x00b8fe0d, 0xffe66fac, + 0xfff681d6, 0x007400b8, 0x08cb4e23, 0xf0a3959f, 0x6207f220, 0x5024d70e, 0xfee723c6, 0x05f9c051, 0x00b8394b, 0xffe66dd0, + 0xfff91fca, 0x006928a0, 0x08edfeaa, 0xef8d4d7b, 0x62ea6474, 0x4ed62be3, 0xff96db90, 0x05c76fed, 0x00b74c37, 0xffe681c6, + 0xfffb42b0, 0x005d36df, 0x090ec1fc, 0xee71b2fe, 0x63c45243, 0x4d83976c, 0x0040c496, 0x05950122, 0x00b5c867, 0xffe65416, + 0xfffdfa25, 0x00504f41, 0x092d7970, 0xed50a31d, 0x64964063, 0x4c2ca3df, 0x00e42fa2, 0x05626209, 0x00b3d15c, 0xffe6afee, + 0x00007134, 0x00426f36, 0x0949eaac, 0xec2a3f5f, 0x655f63f2, 0x4ad237a2, 0x01816e06, 0x05303f87, 0x00b1978d, 0xffe6d466, + 0x00039609, 0x0033b927, 0x0963ed46, 0xeafee7f1, 0x661fd6b8, 0x4973fef1, 0x02186a91, 0x04fe20be, 0x00af374c, 0xffe7746e, + 0x0006b1cf, 0x0023b989, 0x097c1ee8, 0xe9cea84a, 0x66d76725, 0x4812f848, 0x02a99097, 0x04cc2fcf, 0x00abe79e, 0xffe79e16, + 0x0009aa3f, 0x00131c75, 0x099140a7, 0xe89971b7, 0x6785c24d, 0x46aea856, 0x03343533, 0x049aa82f, 0x00a8739d, 0xffe83a07, + 0x000d31b5, 0x0000e790, 0x09a3e163, 0xe75f8bb8, 0x682b39a4, 0x4547daea, 0x03b8f8dc, 0x04694101, 0x00a520bb, 0xffe88ba8, + 0x0010bc63, 0xffee183b, 0x09b3d77f, 0xe620c476, 0x68c7269b, 0x43de620a, 0x0437fb0a, 0x043889c6, 0x00a1039c, 0xffe940f4, + 0x001471f8, 0xffda17f2, 0x09c0e59f, 0xe4de0cb0, 0x6959709d, 0x4272a385, 0x04b0adcb, 0x04083fec, 0x009d10bf, 0xffe9ca76, + 0x0018703f, 0xffc4e365, 0x09cab9f2, 0xe396a45d, 0x69e29784, 0x41058bc6, 0x05237f9d, 0x03d8afe6, 0x0098b855, 0xffea9192, + 0x001c3549, 0xffaea5d6, 0x09d19ca9, 0xe24b8f66, 0x6a619c5e, 0x3f962fb8, 0x0590a67d, 0x03a966bb, 0x009424c6, 0xffeb50b2, + 0x002064f8, 0xff975c01, 0x09d52709, 0xe0fc421e, 0x6ad73e8d, 0x3e25b17e, 0x05f7fb90, 0x037ad438, 0x008f4bfc, 0xffebe77b, + 0x0024dd50, 0xff7ee3f1, 0x09d5560b, 0xdfa93ab5, 0x6b42a864, 0x3cb41219, 0x06593912, 0x034d01f0, 0x008a7dd7, 0xffecc31b, + 0x00293718, 0xff6542d1, 0x09d1fa23, 0xde529086, 0x6ba4629f, 0x3b415115, 0x06b559c3, 0x03201116, 0x0085c217, 0xffed651d, + 0x002d8e42, 0xff4aabc8, 0x09caeb0f, 0xdcf898fb, 0x6bfbdd98, 0x39ce0477, 0x070bbf58, 0x02f3e48d, 0x00807994, 0xffee1650, + 0x00329ab6, 0xff2ef725, 0x09c018ce, 0xdb9b5b12, 0x6c492217, 0x385a49c4, 0x075ca90c, 0x02c89901, 0x007b3875, 0xffeedfa4, + 0x003745f9, 0xff120d70, 0x09b18a1d, 0xda3b176a, 0x6c8c4c7a, 0x36e69691, 0x07a8127d, 0x029e35b4, 0x0075fded, 0xffef7b8b, + 0x003c1fa4, 0xfef3f6ab, 0x099ec3dc, 0xd8d7f21f, 0x6cc59bab, 0x3572ec70, 0x07ee507c, 0x0274ba43, 0x0070c8a5, 0xffeff6ca, + 0x004103f4, 0xfed4bec3, 0x09881dc5, 0xd7722f04, 0x6cf4073e, 0x33ff670e, 0x082f552e, 0x024bf7a1, 0x006b47fa, 0xfff0065d, + 0x00465348, 0xfeb48d0d, 0x096d0e21, 0xd60a46e5, 0x6d18520e, 0x328cc6f0, 0x086b1eeb, 0x02244a24, 0x0065fde5, 0xffefc9b9, + 0x004b6c46, 0xfe933dc0, 0x094d7ec2, 0xd49fd55f, 0x6d32730f, 0x311af3a4, 0x08a24899, 0x01fd3ba0, 0x006090c4, 0xffed978a, + 0x0050b177, 0xfe70b8d1, 0x09299ead, 0xd3337b3d, 0x6d41d963, 0x2faa221c, 0x08d3e41b, 0x01d78bfc, 0x005b5371, 0xffede50f, +}; + +/* noise table 4.A.88, format = Q31 */ +const int noiseTab[512 * 2] = { + 0x8010fd38, 0xb3dc7948, 0x7c4e2301, 0xa9904192, 0x121622a7, 0x86489625, 0xc3d53d25, 0xd0343fa9, + 0x674d6f70, 0x25f4e9fd, 0xce1a8c8b, 0x72a726c5, 0xfea6efc6, 0xaa4adb1a, 0x8b2dd628, 0xf14029e4, + 0x46321c1a, 0x604889a0, 0x33363b63, 0x815ed069, 0x802b4315, 0x8f2bf7f3, 0x85b86073, 0x745cfb46, + 0xc57886b3, 0xb76731f0, 0xa2a66772, 0x828ca631, 0x60cc145e, 0x1ad1010f, 0x090c83d4, 0x9bd7ba87, + 0x5f5aeea2, 0x8b4dbd99, 0x848e7b1e, 0x86bb9fa2, 0x26f18ae5, 0xc0b81194, 0x553407bf, 0x52c17953, + 0x755f468d, 0x166b04f8, 0xa5687981, 0x4343248b, 0xa6558d5e, 0xc5f6fab7, 0x80a4fb8c, 0x8cb53cb7, + 0x7da68a54, 0x9cd8df8a, 0xba05376c, 0xfcb58ee2, 0xfdd657a4, 0x005e35ca, 0x91c75c55, 0x367651e6, + 0x816abf85, 0x8f831c4f, 0x423f9c9c, 0x55aa919e, 0x80779834, 0xb59f4244, 0x800a095c, 0x7de9e0cc, + 0x46bda5cb, 0x4c184464, 0x2c438f71, 0x797216b5, 0x5035cee6, 0xa0c3a26e, 0x9d3f95fa, 0xd4a100c0, + 0x8ac30dac, 0x04b87397, 0x9e5ac516, 0x8b0b442e, 0x66210ad6, 0x88ba7598, 0x45b9bd33, 0xf0be5087, + 0x9261b85e, 0x364f6a31, 0x891c4b50, 0x23ad08ce, 0xf10366a6, 0x80414276, 0x1b562e06, 0x8be21591, + 0x9e798195, 0x7fb4045c, 0x7d9506cf, 0x854e691f, 0x9207f092, 0x7a94c9d5, 0x88911536, 0x3f45cc61, + 0x27059279, 0xa5b57109, 0x6d2bb67b, 0x3bdc5379, 0x74e662d8, 0x80348f8c, 0xf875e638, 0x5a8caea1, + 0x2459ae75, 0x2c54b939, 0x79ee3203, 0xb9bc8683, 0x9b6f630c, 0x9f45b351, 0x8563b2b9, 0xe5dbba41, + 0x697c7d0d, 0x7bb7c90e, 0xac900866, 0x8e6b5177, 0x8822dd37, 0x7fd5a91e, 0x7506da05, 0x82302aca, + 0xa5e4be04, 0x4b4288eb, 0x00b8bc9f, 0x4f1033e4, 0x7200d612, 0x43900c8c, 0xa815b900, 0x676ed1d4, + 0x5c5f23b2, 0xa758ee11, 0xaf73abfa, 0x11714ec0, 0x265239e0, 0xc50de679, 0x8a84e341, 0xa1438354, + 0x7f1a341f, 0x343ec96b, 0x696e71b0, 0xa13bde39, 0x81e75094, 0x80091111, 0x853a73bf, 0x80f9c1ee, + 0xe4980086, 0x886a8e28, 0xa7e89426, 0xdd93edd7, 0x7592100d, 0x0bfa8123, 0x850a26d4, 0x2e34f395, + 0x421b6c00, 0xa4a462e4, 0x4e3f5090, 0x3c189f4c, 0x3c971a56, 0xdd0376d2, 0x747a5367, 0x7bcbc9d7, + 0x3966be6a, 0x7efda616, 0x55445e15, 0x7ba2ab3f, 0x5fe684f2, 0x8cf42af9, 0x808c61c3, 0x4390c27b, + 0x7cac62ff, 0xea6cab22, 0x5d0902ad, 0xc27b7208, 0x7a27389d, 0x5820a357, 0xa29bbe59, 0x9df0f1fd, + 0x92bd67e5, 0x7195b587, 0x97cac65b, 0x8339807e, 0x8f72d832, 0x5fad8685, 0xa462d9d3, 0x81d46214, + 0x6ae93e1d, 0x6b23a5b9, 0xc2732874, 0x81795268, 0x7c568cb6, 0x668513ea, 0x428d024e, 0x66b78b3a, + 0xfee9ef03, 0x9ddcbb82, 0xa605f07e, 0x46dc55e0, 0x85415054, 0xc89ec271, 0x7c42edfb, 0x0befe59b, + 0x89b8f607, 0x6d732a1a, 0xa7081ebd, 0x7e403258, 0x21feeb7b, 0x5dd7a1e7, 0x23e3a31a, 0x129bc896, + 0xa11a6b54, 0x7f1e031c, 0xfdc1a4d1, 0x96402e53, 0xb9700f1a, 0x8168ecd6, 0x7d63d3cc, 0x87a70d65, + 0x81075a7a, 0x55c8caa7, 0xa95d00b5, 0x102b1652, 0x0bb30215, 0xe5b63237, 0xa446ca44, 0x82d4c333, + 0x67b2e094, 0x44c3d661, 0x33fd6036, 0xde1ea2a1, 0xa95e8e47, 0x78f66eb9, 0x6f2aef1e, 0xe8887247, + 0x80a3b70e, 0xfca0d9d3, 0x6bf0fd20, 0x0d5226de, 0xf4341c87, 0x5902df05, 0x7ff1a38d, 0xf02e5a5b, + 0x99f129af, 0x8ac63d01, 0x7b53f599, 0x7bb32532, 0x99ac59b0, 0x5255a80f, 0xf1320a41, 0x2497aa5c, + 0xcce60bd8, 0x787c634b, 0x7ed58c5b, 0x8a28eb3a, 0x24a5e647, 0x8b79a2c1, 0x955f5ce5, 0xa9d12bc4, + 0x7a1e20c6, 0x3eeda7ac, 0xf7be823a, 0x042924ce, 0x808b3f03, 0x364248da, 0xac2895e5, 0x69a8b5fa, + 0x97fe8b63, 0xbdeac9aa, 0x8073e0ad, 0x6c25dba7, 0x005e51d2, 0x52e74389, 0x59d3988c, 0xe5d1f39c, + 0x7b57dc91, 0x341adbe7, 0xa7d42b8d, 0x74e9f335, 0xd35bf7d8, 0x5b7c0a4b, 0x75bc0874, 0x552129bf, + 0x8144b70d, 0x6de93bbb, 0x5825f14b, 0x473ec5ca, 0x80a8f37c, 0xe6552d69, 0x7898360b, 0x806379b0, + 0xa9b59339, 0x3f6bf60c, 0xc367d731, 0x920ade99, 0x125592f7, 0x877e5ed1, 0xda895d95, 0x075f2ece, + 0x380e5f5e, 0x9b006b62, 0xd17a6dd2, 0x530a0e13, 0xf4cc9a14, 0x7d0a0ed4, 0x847c6e3f, 0xbaee4975, + 0x47131163, 0x64fb2cac, 0x5e2100a6, 0x7b756a42, 0xd87609f4, 0x98bfe48c, 0x0493745e, 0x836c5784, + 0x7e5ccb40, 0x3df6b476, 0x97700d28, 0x8bbd93fd, 0x56de9cdb, 0x680b4e65, 0xebc3d90e, 0x6d286793, + 0x6753712e, 0xe05c98a7, 0x3d2b6b85, 0xc4b18ddb, 0x7b59b869, 0x31435688, 0x811888e9, 0xe011ee7a, + 0x6a5844f9, 0x86ae35ea, 0xb4cbc10b, 0x01a6f5d6, 0x7a49ed64, 0x927caa49, 0x847ddaed, 0xae0d9bb6, + 0x836bdb04, 0x0fd810a6, 0x74fe126b, 0x4a346b5f, 0x80184d36, 0x5afd153c, 0x90cc8102, 0xe606d0e6, + 0xde69aa58, 0xa89f1222, 0xe06df715, 0x8fd16144, 0x0317c3e8, 0x22ce92fc, 0x690c3eca, 0x93166f02, + 0x71573414, 0x8d43cffb, 0xe8bd0bb6, 0xde86770f, 0x0bf99a41, 0x4633a661, 0xba064108, 0x7adafae3, + 0x2f6cde5d, 0xb350a52c, 0xa5ebfb0b, 0x74c57b46, 0xd3b603b5, 0x80b70892, 0xa7f7fa53, 0xd94b566c, + 0xdda3fd86, 0x6a635793, 0x3ed005ca, 0xc5f087d8, 0x31e3a746, 0x7a4278f9, 0x82def1f9, 0x06caa2b2, + 0xe9d2c349, 0x8940e7f7, 0x7feef8dd, 0x4a9b01f0, 0xacde69f8, 0x57ddc280, 0xf09e4ba4, 0xb6d9f729, + 0xb48c18f2, 0xd3654aa9, 0xca7a03c8, 0x14d57545, 0x7fda87a5, 0x0e411366, 0xb77d0df0, 0x8c2aa467, + 0x787f2590, 0x2d292db1, 0x9f12682c, 0x44ac364d, 0x1a4b31a6, 0x871f7ded, 0x7ff99167, 0x6630a1d5, + 0x25385eb9, 0x2d4dd549, 0xaf8a7004, 0x319ebe0f, 0x379ab730, 0x81dc56a4, 0x822d8523, 0x1ae8554c, + 0x18fa0786, 0x875f7de4, 0x85ca350f, 0x7de818dc, 0x7786a38f, 0xa5456355, 0x92e60f88, 0xf5526122, + 0x916039bc, 0xc561e2de, 0x31c42042, 0x7c82e290, 0x75d158b2, 0xb015bda1, 0x7220c750, 0x46565441, + 0xd0da1fdd, 0x7b777481, 0x782e73c6, 0x8cd72b7b, 0x7f1006aa, 0xfb30e51e, 0x87994818, 0x34e7c7db, + 0x7faae06b, 0xea74fbc0, 0xd20c7af4, 0xc44f396b, 0x06b4234e, 0xdf2e2a93, 0x2efb07c8, 0xce861911, + 0x7550ea05, 0xd8d90bbb, 0x58522eec, 0x746b3520, 0xce844ce9, 0x7f5cacc3, 0xda8f17e0, 0x2fedf9cb, + 0xb2f77ec4, 0x6f13f4c0, 0x834de085, 0x7b7ace4b, 0x713b16ac, 0x499c5ab0, 0x06a7961d, 0x1b39a48a, + 0xbb853e6e, 0x7c781cc1, 0xc0baebf5, 0x7dace394, 0x815ceebc, 0xcc7b27d4, 0x8274b181, 0xa2be40a2, + 0xdd01d5dc, 0x7fefeb14, 0x0813ec78, 0xba3077cc, 0xe5cf1e1c, 0xedcfacae, 0x54c43a9b, 0x5cd62a42, + 0x93806b55, 0x03095c5b, 0x8e076ae3, 0x71bfcd2a, 0x7ac1989b, 0x623bc71a, 0x5e15d4d2, 0xfb341dd1, + 0xd75dfbca, 0xd0da32be, 0xd4569063, 0x337869da, 0x3d30606a, 0xcd89cca2, 0x7dd2ae36, 0x028c03cd, + 0xd85e052c, 0xe8dc9ec5, 0x7ffd9241, 0xde5bf4c6, 0x88c4b235, 0x8228be2e, 0x7fe6ec64, 0x996abe6a, + 0xdeb0666d, 0x9eb86611, 0xd249b922, 0x18b3e26b, 0x80211168, 0x5f8bb99c, 0x6ecb0dd2, 0x4728ff8d, + 0x2ac325b8, 0x6e5169d2, 0x7ebbd68d, 0x05e41d17, 0xaaa19f28, 0x8ab238a6, 0x51f105be, 0x140809cc, + 0x7f7345d9, 0x3aae5a9d, 0xaecec6e4, 0x1afb3473, 0xf6229ed1, 0x8d55f467, 0x7e32003a, 0x70f30c14, + 0x6686f33f, 0xd0d45ed8, 0x644fab57, 0x3a3fbbd3, 0x0b255fc4, 0x679a1701, 0x90e17b6e, 0x325d537b, + 0xcd7b9b87, 0xaa7be2a2, 0x7d47c966, 0xa33dbce5, 0x8659c3bb, 0x72a41367, 0x15c446e0, 0x45fe8b0a, + 0x9d8ddf26, 0x84d47643, 0x7fabe0da, 0x36a70122, 0x7a28ebfe, 0x7c29b8b8, 0x7f760406, 0xbabe4672, + 0x23ea216e, 0x92bcc50a, 0x6d20dba2, 0xad5a7c7e, 0xbf3897f5, 0xabb793e1, 0x8391fc7e, 0xe270291c, + 0x7a248d58, 0x80f8fd15, 0x83ef19f3, 0x5e6ece7d, 0x278430c1, 0x35239f4d, 0xe09c073b, 0x50e78cb5, + 0xd4b811bd, 0xce834ee0, 0xf88aaa34, 0xf71da5a9, 0xe2b0a1d5, 0x7c3aef31, 0xe84eabca, 0x3ce25964, + 0xf29336d3, 0x8fa78b2c, 0xa3fc3415, 0x63e1313d, 0x7fbc74e0, 0x7340bc93, 0x49ae583b, 0x8b79de4b, + 0x25011ce9, 0x7b462279, 0x36007db0, 0x3da1599c, 0x77780772, 0xc845c9bb, 0x83ba68be, 0x6ee507d1, + 0x2f0159b8, 0x5392c4ed, 0x98336ff6, 0x0b3c7f11, 0xde697aac, 0x893fc8d0, 0x6b83f8f3, 0x47799a0d, + 0x801d9dfc, 0x8516a83e, 0x5f8d22ec, 0x0f8ba384, 0xa049dc4b, 0xdd920b05, 0x7a99bc9f, 0x9ad19344, + 0x7a345dba, 0xf501a13f, 0x3e58bf19, 0x7fffaf9a, 0x3b4e1511, 0x0e08b991, 0x9e157620, 0x7230a326, + 0x4977f9ff, 0x2d2bbae1, 0x607aa7fc, 0x7bc85d5f, 0xb441bbbe, 0x8d8fa5f2, 0x601cce26, 0xda1884f2, + 0x81c82d64, 0x200b709c, 0xcbd36abe, 0x8cbdddd3, 0x55ab61d3, 0x7e3ee993, 0x833f18aa, 0xffc1aaea, + 0x7362e16a, 0x7fb85db2, 0x904ee04c, 0x7f04dca6, 0x8ad7a046, 0xebe7d8f7, 0xfbc4c687, 0xd0609458, + 0x093ed977, 0x8e546085, 0x7f5b8236, 0x7c47e118, 0xa01f2641, 0x7ffb3e48, 0x05de7cda, 0x7fc281b9, + 0x8e0278fc, 0xd74e6d07, 0x94c24450, 0x7cf9e641, 0x2ad27871, 0x919fa815, 0x805fd205, 0x7758397f, + 0xe2c7e02c, 0x1828e194, 0x5613d6fe, 0xfb55359f, 0xf9699516, 0x8978ee26, 0x7feebad9, 0x77d71d82, + 0x55b28b60, 0x7e997600, 0x80821a6b, 0xc6d78af1, 0x691822ab, 0x7f6982a0, 0x7ef56f99, 0x5c307f40, + 0xac6f8b76, 0x42cc8ba4, 0x782c61d9, 0xa0224dd0, 0x7bd234d1, 0x74576e3b, 0xe38cfe9a, 0x491e66ef, + 0xc78291c5, 0x895bb87f, 0x924f7889, 0x71b89394, 0x757b779d, 0xc4a9c604, 0x5cdf7829, 0x8020e9df, + 0x805e8245, 0x4a82c398, 0x6360bd62, 0x78bb60fc, 0x09e0d014, 0x4b0ea180, 0xb841978b, 0x69a0e864, + 0x7df35977, 0x3284b0dd, 0x3cdc2efd, 0x57d31f5e, 0x541069cc, 0x1776e92e, 0x04309ea3, 0xa015eb2d, + 0xce7bfabc, 0x41b638f8, 0x8365932e, 0x846ab44c, 0xbbcc80cb, 0x8afa6cac, 0x7fc422ea, 0x4e403fc0, + 0xbfac9aee, 0x8e4c6709, 0x028e01fb, 0x6d160a9b, 0x7fe93004, 0x790f9cdc, 0x6a1f37a0, 0xf7e7ef30, + 0xb4ea0f04, 0x7bf4c8e6, 0xe981701f, 0xc258a9d3, 0x6acbbfba, 0xef5479c7, 0x079c8bd8, 0x1a410f56, + 0x6853b799, 0x86cd4f01, 0xc66e23b6, 0x34585565, 0x8d1fe00d, 0x7fcdba1a, 0x32c9717b, 0xa02f9f48, + 0xf64940db, 0x5ed7d8f1, 0x61b823b2, 0x356f8918, 0xa0a7151e, 0x793fc969, 0x530beaeb, 0x34e93270, + 0x4fc4ddb5, 0x88d58b6c, 0x36094774, 0xf620ac80, 0x03763a72, 0xf910c9a6, 0x6666fb2d, 0x752c8be8, + 0x9a6dfdd8, 0xd1a7117d, 0x51c1b1d4, 0x0a67773d, 0x43b32a79, 0x4cdcd085, 0x5f067d30, 0x05bfe92a, + 0x7ed7d203, 0xe71a3c85, 0x99127ce2, 0x8eb3cac4, 0xad4bbcea, 0x5c6a0fd0, 0x0eec04af, 0x94e95cd4, + 0x8654f921, 0x83eabb5d, 0xb058d7ca, 0x69f12d3c, 0x03d881b2, 0x80558ef7, 0x82938cb3, 0x2ec0e1d6, + 0x80044422, 0xd1e47051, 0x720fc6ff, 0x82b20316, 0x0d527b02, 0x63049a15, 0x7ad5b9ad, 0xd2a4641d, + 0x41144f86, 0x7b04917a, 0x15c4a2c0, 0x9da07916, 0x211df54a, 0x7fdd09af, 0xfe924f3f, 0x7e132cfe, + 0x9a1d18d6, 0x7c56508b, 0x80f0f0af, 0x8095ced6, 0x8037d0d7, 0x026719d1, 0xa55fec43, 0x2b1c7cb7, + 0xa5cd5ac1, 0x77639fad, 0x7fcd8b62, 0x81a18c27, 0xaee4912e, 0xeae9eebe, 0xeb3081de, 0x8532aada, + 0xc822362e, 0x86a649a9, 0x8031a71d, 0x7b319dc6, 0xea8022e6, 0x814bc5a9, 0x8f62f7a1, 0xa430ea17, + 0x388deafb, 0x883b5185, 0x776fe13c, 0x801c683f, 0x87c11b98, 0xb7cbc644, 0x8e9ad3e8, 0x3cf5a10c, + 0x7ff6a634, 0x949ef096, 0x9f84aa7c, 0x010af13f, 0x782d1de8, 0xf18e492a, 0x6cf63b01, 0x4301cd81, + 0x32d15c9e, 0x68ad8cef, 0xd09bd2d6, 0x908c5c15, 0xd1e36260, 0x2c5bfdd0, 0x88765a99, 0x93deba1e, + 0xac6ae342, 0xe865b84c, 0x0f4f2847, 0x7fdf0499, 0x78b1c9b3, 0x6a73261e, 0x601a96f6, 0xd2847933, + 0x489aa888, 0xe12e8093, 0x3bfa5a5f, 0xd96ba5f7, 0x7c8f4c8d, 0x80940c6f, 0xcef9dd1a, 0x7e1a055f, + 0x3483558b, 0x02b59cc4, 0x0c56333e, 0x05a5b813, 0x92d66287, 0x7516b679, 0x71bfe03f, 0x8056bf68, + 0xc24d0724, 0x8416bcf3, 0x234afbdb, 0x4b0d6f9c, 0xaba97333, 0x4b4f42b6, 0x7e8343ab, 0x7ffe2603, + 0xe590f73c, 0x45e10c76, 0xb07a6a78, 0xb35609d3, 0x1a027dfd, 0x90cb6e20, 0x82d3fe38, 0x7b409257, + 0x0e395afa, 0x1b802093, 0xcb0c6c59, 0x241e17e7, 0x1ee3ea0a, 0x41a82302, 0xab04350a, 0xf570beb7, + 0xbb444b9b, 0x83021459, 0x838d65dc, 0x1c439c84, 0x6fdcc454, 0xef9ef325, 0x18626c1c, 0x020d251f, + 0xc4aae786, 0x8614cb48, 0xf6f53ca6, 0x8710dbab, 0x89abec0d, 0xf29d41c1, 0x94b50336, 0xfdd49178, + 0x604658d1, 0x800e85be, 0xca1bb079, 0x7fa48eeb, 0xa3b7fafe, 0xd330436b, 0x64eb604c, 0x43a658ae, + 0x7caa1337, 0xddd445e6, 0x7efbf955, 0xb706ec71, 0x624a6b53, 0x9e0e231f, 0x97097248, 0xa1e1a17a, + 0x68dd2e44, 0x7f9d2e14, 0xddcc7074, 0x58324197, 0xc88fc426, 0x6d3640ae, 0x7ef83600, 0x759a0270, + 0x98b6d854, 0xd63c9b84, 0x372474a2, 0xe3f18cfd, 0x56ab0bdb, 0x85c9be7e, 0x47dfcfeb, 0xa5830d41, + 0x0ddd6283, 0xf4f480ad, 0x74c60e38, 0xab8943c3, 0xc1508fe7, 0x480cdc39, 0x8e097362, 0xa44793be, + 0x538b7e18, 0x545f5b41, 0x56529175, 0x9771a97e, 0xc2da7421, 0xea8265f2, 0x805d1163, 0x883c5d28, + 0x8ba94c48, 0x4f676e65, 0xf78735b3, 0xe1853671, 0x7f454f53, 0x18147f85, 0x7d09e15d, 0xdb4f3494, + 0x795c8973, 0x83310632, 0x85d8061c, 0x9a1a0ebf, 0xc125583c, 0x2a1b1a95, 0x7fd9103f, 0x71e98c72, + 0x40932ed7, 0x91ed227a, 0x3c5e560e, 0xe816dee9, 0xb0891b80, 0x600038ba, 0xc7d9a80d, 0x7fff5e09, + 0x7e3f4351, 0xbb6b4424, 0xb14448d4, 0x8d6bb7e1, 0xfb153626, 0xa68ad537, 0xd9782006, 0xf62f6991, + 0x359ba8c1, 0x02ccff0b, 0x91bf2256, 0x7ea71c4d, 0x560ce5df, 0xeeba289b, 0xa574c4e7, 0x9e04f6ee, + 0x7860a5ec, 0x0b8db4a2, 0x968ba3d7, 0x0b6c77df, 0xd6f3157d, 0x402eff1a, 0x49b820b3, 0x8152aebb, + 0xd180b0b6, 0x098604d4, 0x7ff92224, 0xede9c996, 0x89c58061, 0x829624c4, 0xc6e71ea7, 0xba94d915, + 0x389c3cf6, 0x5b4c5a06, 0x04b335e6, 0x516a8aab, 0x42c8d7d9, 0x92b12af6, 0x86c8549f, 0xfda98acf, + 0x819673b6, 0x69545dac, 0x6feaa230, 0x726e6d3f, 0x886ebdfe, 0x34f5730a, 0x7af63ba2, 0x77307bbf, + 0x7cd80630, 0x6e45efe0, 0x7f8ad7eb, 0x59d7df99, 0x86c70946, 0xda233629, 0x753f6cbf, 0x825eeb40, +}; diff --git a/audio_codec/libfaad/helixaac/statname.h b/audio_codec/libfaad/helixaac/statname.h new file mode 100644 index 0000000..127281c --- a/dev/null +++ b/audio_codec/libfaad/helixaac/statname.h @@ -0,0 +1,115 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: statname.h,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * statname.h - name mangling macros for static linking + **************************************************************************************/ + +#ifndef _STATNAME_H +#define _STATNAME_H + +/* define STAT_PREFIX to a unique name for static linking + * all the C functions and global variables will be mangled by the preprocessor + * e.g. void DCT4(...) becomes void raac_DCT4(...) + */ +#define STAT_PREFIX raac + +#define STATCC1(x,y,z) STATCC2(x,y,z) +#define STATCC2(x,y,z) x##y##z + +#ifdef STAT_PREFIX +#define STATNAME(func) STATCC1(STAT_PREFIX, _, func) +#else +#define STATNAME(func) func +#endif + +/* these symbols are common to all implementations */ +#define AllocateBuffers STATNAME(AllocateBuffers) +#define FreeBuffers STATNAME(FreeBuffers) +#define ClearBuffer STATNAME(ClearBuffer) + +#define SetRawBlockParams STATNAME(SetRawBlockParams) +#define PrepareRawBlock STATNAME(PrepareRawBlock) +#define FlushCodec STATNAME(FlushCodec) + +#define UnpackADTSHeader STATNAME(UnpackADTSHeader) +#define GetADTSChannelMapping STATNAME(GetADTSChannelMapping) +#define UnpackADIFHeader STATNAME(UnpackADIFHeader) +#define DecodeNextElement STATNAME(DecodeNextElement) +#define DecodeNoiselessData STATNAME(DecodeNoiselessData) +#define Dequantize STATNAME(Dequantize) +#define StereoProcess STATNAME(StereoProcess) +#define DeinterleaveShortBlocks STATNAME(DeinterleaveShortBlocks) +#define PNS STATNAME(PNS) +#define TNSFilter STATNAME(TNSFilter) +#define IMDCT STATNAME(IMDCT) + +#define InitSBR STATNAME(InitSBR) +#define DecodeSBRBitstream STATNAME(DecodeSBRBitstream) +#define DecodeSBRData STATNAME(DecodeSBRData) +#define FreeSBR STATNAME(FreeSBR) +#define FlushCodecSBR STATNAME(FlushCodecSBR) + +/* global ROM tables */ +#define sampRateTab STATNAME(sampRateTab) +#define predSFBMax STATNAME(predSFBMax) +#define channelMapTab STATNAME(channelMapTab) +#define elementNumChans STATNAME(elementNumChans) +#define sfBandTotalShort STATNAME(sfBandTotalShort) +#define sfBandTotalLong STATNAME(sfBandTotalLong) +#define sfBandTabShortOffset STATNAME(sfBandTabShortOffset) +#define sfBandTabShort STATNAME(sfBandTabShort) +#define sfBandTabLongOffset STATNAME(sfBandTabLongOffset) +#define sfBandTabLong STATNAME(sfBandTabLong) +#define tnsMaxBandsShortOffset STATNAME(tnsMaxBandsShortOffset) +#define tnsMaxBandsShort STATNAME(tnsMaxBandsShort) +#define tnsMaxOrderShort STATNAME(tnsMaxOrderShort) +#define tnsMaxBandsLongOffset STATNAME(tnsMaxBandsLongOffset) +#define tnsMaxBandsLong STATNAME(tnsMaxBandsLong) +#define tnsMaxOrderLong STATNAME(tnsMaxOrderLong) + +/* in your implementation's top-level include file (e.g. real\coder.h) you should + * add new #define sym STATNAME(sym) lines for all the + * additional global functions or variables which your + * implementation uses + */ + +#endif /* _STATNAME_H */ diff --git a/audio_codec/libfaad/helixaac/stproc.c b/audio_codec/libfaad/helixaac/stproc.c new file mode 100644 index 0000000..852fefa --- a/dev/null +++ b/audio_codec/libfaad/helixaac/stproc.c @@ -0,0 +1,251 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: stproc.c,v 1.3 2005/05/24 16:01:55 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * stproc.c - mid-side and intensity stereo processing + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +/* pow14[0][i] = -pow(2, i/4.0) + * pow14[1][i] = +pow(2, i/4.0) + * + * i = [0,1,2,3] + * format = Q30 + */ +static const int pow14[2][4] = { + { 0xc0000000, 0xb3e407d7, 0xa57d8666, 0x945d819b }, + { 0x40000000, 0x4c1bf829, 0x5a82799a, 0x6ba27e65 } +}; + +/************************************************************************************** + * Function: StereoProcessGroup + * + * Description: apply mid-side and intensity stereo to group of transform coefficients + * + * Inputs: dequantized transform coefficients for both channels + * pointer to appropriate scalefactor band table + * mid-side mask enabled flag + * buffer with mid-side mask (one bit for each scalefactor band) + * bit offset into mid-side mask buffer + * max coded scalefactor band + * buffer of codebook indices for right channel + * buffer of scalefactors for right channel, range = [0, 256] + * + * Outputs: updated transform coefficients in Q(FBITS_OUT_DQ_OFF) + * updated minimum guard bit count for both channels + * + * Return: none + * + * Notes: assume no guard bits in input + * gains 0 int bits + **************************************************************************************/ +static void StereoProcessGroup(int *coefL, int *coefR, const short *sfbTab, + int msMaskPres, unsigned char *msMaskPtr, int msMaskOffset, int maxSFB, + unsigned char *cbRight, short *sfRight, int *gbCurrent) +{ + int sfb, width, cbIdx, sf, cl, cr, scalef, scalei; + int gbMaskL, gbMaskR; + unsigned char msMask; + + msMask = (*msMaskPtr++) >> msMaskOffset; + gbMaskL = 0; + gbMaskR = 0; + + for (sfb = 0; sfb < maxSFB; sfb++) { + width = sfbTab[sfb + 1] - sfbTab[sfb]; /* assume >= 0 (see sfBandTabLong/sfBandTabShort) */ + cbIdx = cbRight[sfb]; + + if (cbIdx == 14 || cbIdx == 15) { + /* intensity stereo */ + if (msMaskPres == 1 && (msMask & 0x01)) { + cbIdx ^= 0x01; /* invert_intensity(): 14 becomes 15, or 15 becomes 14 */ + } + sf = -sfRight[sfb]; /* negative since we use identity 0.5^(x) = 2^(-x) (see spec) */ + cbIdx &= 0x01; /* choose - or + scale factor */ + scalef = pow14[cbIdx][sf & 0x03]; + scalei = (sf >> 2) + 2; /* +2 to compensate for scalef = Q30 */ + + if (scalei > 0) { + if (scalei > 30) { + scalei = 30; + } + do { + cr = MULSHIFT32(*coefL++, scalef); + CLIP_2N(cr, 31 - scalei); + cr <<= scalei; + gbMaskR |= FASTABS(cr); + *coefR++ = cr; + } while (--width > 0); + } else { + scalei = -scalei; + if (scalei > 31) { + scalei = 31; + } + do { + cr = MULSHIFT32(*coefL++, scalef) >> scalei; + gbMaskR |= FASTABS(cr); + *coefR++ = cr; + } while (--width > 0); + } + } else if (cbIdx != 13 && ((msMaskPres == 1 && (msMask & 0x01)) || msMaskPres == 2)) { + /* mid-side stereo (assumes no GB in inputs) */ + do { + cl = *coefL; + cr = *coefR; + + if ((FASTABS(cl) | FASTABS(cr)) >> 30) { + /* avoid overflow (rare) */ + cl >>= 1; + sf = cl + (cr >> 1); + CLIP_2N(sf, 30); + sf <<= 1; + cl = cl - (cr >> 1); + CLIP_2N(cl, 30); + cl <<= 1; + } else { + /* usual case */ + sf = cl + cr; + cl -= cr; + } + + *coefL++ = sf; + gbMaskL |= FASTABS(sf); + *coefR++ = cl; + gbMaskR |= FASTABS(cl); + } while (--width > 0); + + } else { + /* nothing to do */ + coefL += width; + coefR += width; + } + + /* get next mask bit (should be branchless on ARM) */ + msMask >>= 1; + if (++msMaskOffset == 8) { + msMask = *msMaskPtr++; + msMaskOffset = 0; + } + } + + cl = CLZ(gbMaskL) - 1; + if (gbCurrent[0] > cl) { + gbCurrent[0] = cl; + } + + cr = CLZ(gbMaskR) - 1; + if (gbCurrent[1] > cr) { + gbCurrent[1] = cr; + } + + return; +} + +/************************************************************************************** + * Function: StereoProcess + * + * Description: apply mid-side and intensity stereo, if enabled + * + * Inputs: valid AACDecInfo struct (including dequantized transform coefficients) + * + * Outputs: updated transform coefficients in Q(FBITS_OUT_DQ_OFF) + * updated minimum guard bit count for both channels + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +int StereoProcess(AACDecInfo *aacDecInfo) +{ + PSInfoBase *psi; + ICSInfo *icsInfo; + int gp, win, nSamps, msMaskOffset; + int *coefL, *coefR; + unsigned char *msMaskPtr; + const short *sfbTab; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + /* mid-side and intensity stereo require common_window == 1 (see MPEG4 spec, Correction 2, 2004) */ + if (psi->commonWin != 1 || aacDecInfo->currBlockID != AAC_ID_CPE) { + return ERR_AAC_NONE; + } + + /* nothing to do */ + if (!psi->msMaskPresent && !psi->intensityUsed[1]) { + return ERR_AAC_NONE; + } + + icsInfo = &(psi->icsInfo[0]); + if (icsInfo->winSequence == 2) { + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + nSamps = NSAMPS_SHORT; + } else { + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + nSamps = NSAMPS_LONG; + } + coefL = psi->coef[0]; + coefR = psi->coef[1]; + + /* do fused mid-side/intensity processing for each block (one long or eight short) */ + msMaskOffset = 0; + msMaskPtr = psi->msMaskBits; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + StereoProcessGroup(coefL, coefR, sfbTab, psi->msMaskPresent, + msMaskPtr, msMaskOffset, icsInfo->maxSFB, psi->sfbCodeBook[1] + gp * icsInfo->maxSFB, + psi->scaleFactors[1] + gp * icsInfo->maxSFB, psi->gbCurrent); + coefL += nSamps; + coefR += nSamps; + } + /* we use one bit per sfb, so there are maxSFB bits for each window group */ + msMaskPtr += (msMaskOffset + icsInfo->maxSFB) >> 3; + msMaskOffset = (msMaskOffset + icsInfo->maxSFB) & 0x07; + } + + ASSERT(coefL == psi->coef[0] + 1024, ERR_AAC_COFF_EXCEED_RANGE); + ASSERT(coefR == psi->coef[1] + 1024, ERR_AAC_COFF_EXCEED_RANGE); + return ERR_AAC_NONE; +} diff --git a/audio_codec/libfaad/helixaac/tns_helix.c b/audio_codec/libfaad/helixaac/tns_helix.c new file mode 100644 index 0000000..7607502 --- a/dev/null +++ b/audio_codec/libfaad/helixaac/tns_helix.c @@ -0,0 +1,307 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: tns.c,v 1.1.2.2 2005/05/24 20:34:40 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * tns.c - apply TNS to spectrum + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +#define FBITS_LPC_COEFS 20 + +/* inverse quantization tables for TNS filter coefficients, format = Q31 + * see bottom of file for table generation + * negative (vs. spec) since we use MADD for filter kernel + */ +static const int invQuant3[16] = { + 0x00000000, 0xc8767f65, 0x9becf22c, 0x83358feb, 0x83358feb, 0x9becf22c, 0xc8767f65, 0x00000000, + 0x2bc750e9, 0x5246dd49, 0x6ed9eba1, 0x7e0e2e32, 0x7e0e2e32, 0x6ed9eba1, 0x5246dd49, 0x2bc750e9, +}; + +static const int invQuant4[16] = { + 0x00000000, 0xe5632654, 0xcbf00dbe, 0xb4c373ee, 0xa0e0a15f, 0x9126145f, 0x8643c7b3, 0x80b381ac, + 0x7f7437ad, 0x7b1d1a49, 0x7294b5f2, 0x66256db2, 0x563ba8aa, 0x4362210e, 0x2e3d2abb, 0x17851aad, +}; + +/************************************************************************************** + * Function: DecodeLPCCoefs + * + * Description: decode LPC coefficients for TNS + * + * Inputs: order of TNS filter + * resolution of coefficients (3 or 4 bits) + * coefficients unpacked from bitstream + * scratch buffer (b) of size >= order + * + * Outputs: LPC coefficients in Q(FBITS_LPC_COEFS), in 'a' + * + * Return: none + * + * Notes: assumes no guard bits in input transform coefficients + * a[i] = Q(FBITS_LPC_COEFS), don't store a0 = 1.0 + * (so a[0] = first delay tap, etc.) + * max abs(a[i]) < log2(order), so for max order = 20 a[i] < 4.4 + * (up to 3 bits of gain) so a[i] has at least 31 - FBITS_LPC_COEFS - 3 + * guard bits + * to ensure no intermediate overflow in all-pole filter, set + * FBITS_LPC_COEFS such that number of guard bits >= log2(max order) + **************************************************************************************/ +static void DecodeLPCCoefs(int order, int res, signed char *filtCoef, int *a, int *b) +{ + int i, m, t; + const int *invQuantTab; + + if (res == 3) { + invQuantTab = invQuant3; + } else if (res == 4) { + invQuantTab = invQuant4; + } else { + return; + } + + for (m = 0; m < order; m++) { + t = invQuantTab[filtCoef[m] & 0x0f]; /* t = Q31 */ + for (i = 0; i < m; i++) { + b[i] = a[i] - (MULSHIFT32(t, a[m - i - 1]) << 1); + } + for (i = 0; i < m; i++) { + a[i] = b[i]; + } + a[m] = t >> (31 - FBITS_LPC_COEFS); + } +} + +/************************************************************************************** + * Function: FilterRegion + * + * Description: apply LPC filter to one region of coefficients + * + * Inputs: number of transform coefficients in this region + * direction flag (forward = 1, backward = -1) + * order of filter + * 'size' transform coefficients + * 'order' LPC coefficients in Q(FBITS_LPC_COEFS) + * scratch buffer for history (must be >= order samples long) + * + * Outputs: filtered transform coefficients + * + * Return: guard bit mask (OR of abs value of all filtered transform coefs) + * + * Notes: assumes no guard bits in input transform coefficients + * gains 0 int bits + * history buffer does not need to be preserved between regions + **************************************************************************************/ +static int FilterRegion(int size, int dir, int order, int *audioCoef, int *a, int *hist) +{ + int i, j, y, hi32, inc, gbMask; + U64 sum64; + + /* init history to 0 every time */ + for (i = 0; i < order; i++) { + hist[i] = 0; + } + + sum64.w64 = 0; /* avoid warning */ + gbMask = 0; + inc = (dir ? -1 : 1); + do { + /* sum64 = a0*y[n] = 1.0*y[n] */ + y = *audioCoef; + sum64.r.hi32 = y >> (32 - FBITS_LPC_COEFS); + sum64.r.lo32 = y << FBITS_LPC_COEFS; + + /* sum64 += (a1*y[n-1] + a2*y[n-2] + ... + a[order-1]*y[n-(order-1)]) */ + for (j = order - 1; j > 0; j--) { + sum64.w64 = MADD64(sum64.w64, hist[j], a[j]); + hist[j] = hist[j - 1]; + } + sum64.w64 = MADD64(sum64.w64, hist[0], a[0]); + y = (sum64.r.hi32 << (32 - FBITS_LPC_COEFS)) | (sum64.r.lo32 >> FBITS_LPC_COEFS); + + /* clip output (rare) */ + hi32 = sum64.r.hi32; + if ((hi32 >> 31) != (hi32 >> (FBITS_LPC_COEFS - 1))) { + y = (hi32 >> 31) ^ 0x7fffffff; + } + + hist[0] = y; + *audioCoef = y; + audioCoef += inc; + gbMask |= FASTABS(y); + } while (--size); + + return gbMask; +} + +/************************************************************************************** + * Function: TNSFilter + * + * Description: apply temporal noise shaping, if enabled + * + * Inputs: valid AACDecInfo struct + * index of current channel + * + * Outputs: updated transform coefficients + * updated minimum guard bit count for this channel + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +int TNSFilter(AACDecInfo *aacDecInfo, int ch) +{ + int win, winLen, nWindows, nSFB, filt, bottom, top, order, maxOrder, dir; + int start, end, size, tnsMaxBand, numFilt, gbMask; + int *audioCoef; + unsigned char *filtLength, *filtOrder, *filtRes, *filtDir; + signed char *filtCoef; + const unsigned char *tnsMaxBandTab; + const short *sfbTab; + ICSInfo *icsInfo; + TNSInfo *ti; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + ti = &psi->tnsInfo[ch]; + + if (!ti->tnsDataPresent) { + return 0; + } + + if (icsInfo->winSequence == 2) { + nWindows = NWINDOWS_SHORT; + winLen = NSAMPS_SHORT; + nSFB = sfBandTotalShort[psi->sampRateIdx]; + maxOrder = tnsMaxOrderShort[aacDecInfo->profile]; + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + tnsMaxBandTab = tnsMaxBandsShort + tnsMaxBandsShortOffset[aacDecInfo->profile]; + tnsMaxBand = tnsMaxBandTab[psi->sampRateIdx]; + } else { + nWindows = NWINDOWS_LONG; + winLen = NSAMPS_LONG; + nSFB = sfBandTotalLong[psi->sampRateIdx]; + maxOrder = tnsMaxOrderLong[aacDecInfo->profile]; + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + tnsMaxBandTab = tnsMaxBandsLong + tnsMaxBandsLongOffset[aacDecInfo->profile]; + tnsMaxBand = tnsMaxBandTab[psi->sampRateIdx]; + } + + if (tnsMaxBand > icsInfo->maxSFB) { + tnsMaxBand = icsInfo->maxSFB; + } + + filtRes = ti->coefRes; + filtLength = ti->length; + filtOrder = ti->order; + filtDir = ti->dir; + filtCoef = ti->coef; + + gbMask = 0; + audioCoef = psi->coef[ch]; + for (win = 0; win < nWindows; win++) { + bottom = nSFB; + numFilt = ti->numFilt[win]; + for (filt = 0; filt < numFilt; filt++) { + top = bottom; + bottom = top - *filtLength++; + bottom = MAX(bottom, 0); + order = *filtOrder++; + order = MIN(order, maxOrder); + + if (order) { + start = sfbTab[MIN(bottom, tnsMaxBand)]; + end = sfbTab[MIN(top, tnsMaxBand)]; + size = end - start; + if (size > 0) { + dir = *filtDir++; + if (dir) { + start = end - 1; + } + + DecodeLPCCoefs(order, filtRes[win], filtCoef, psi->tnsLPCBuf, psi->tnsWorkBuf); + gbMask |= FilterRegion(size, dir, order, audioCoef + start, psi->tnsLPCBuf, psi->tnsWorkBuf); + } + filtCoef += order; + } + } + audioCoef += winLen; + } + + /* update guard bit count if necessary */ + size = CLZ(gbMask) - 1; + if (psi->gbCurrent[ch] > size) { + psi->gbCurrent[ch] = size; + } + + return 0; +} + +/* Code to generate invQuantXXX[] tables + * { + * int res, i, t; + * double powScale, iqfac, iqfac_m, d; + * + * powScale = pow(2.0, 31) * -1.0; / ** make coefficients negative for using MADD in kernel ** / + * for (res = 3; res <= 4; res++) { + * iqfac = ( ((1 << (res-1)) - 0.5) * (2.0 / M_PI) ); + * iqfac_m = ( ((1 << (res-1)) + 0.5) * (2.0 / M_PI) ); + * printf("static const int invQuant%d[16] = {\n", res); + * for (i = 0; i < 16; i++) { + * / ** extend bottom 4 bits into signed, 2's complement number ** / + * t = (i << 28) >> 28; + * + * if (t >= 0) d = sin(t / iqfac); + * else d = sin(t / iqfac_m); + * + * d *= powScale; + * printf("0x%08x, ", (int)(d > 0 ? d + 0.5 : d - 0.5)); + * if ((i & 0x07) == 0x07) + * printf("\n"); + * } + * printf("};\n\n"); + * } + * } + */ + diff --git a/audio_codec/libfaad/helixaac/trigtabs.c b/audio_codec/libfaad/helixaac/trigtabs.c new file mode 100644 index 0000000..0a77b6f --- a/dev/null +++ b/audio_codec/libfaad/helixaac/trigtabs.c @@ -0,0 +1,1000 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: trigtabs.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * trigtabs.c - tables of sin, cos, etc. for IMDCT + **************************************************************************************/ + +#include "coder.h" + +const int cos4sin4tabOffset[NUM_IMDCT_SIZES] = {0, 128}; + +/* PreMultiply() tables + * format = Q30 * 2^[-7, -10] for nmdct = [128, 1024] + * reordered for sequential access + * + * invM = -1.0 / nmdct; + * for (i = 0; i < nmdct/4; i++) { + * angle = (i + 0.25) * M_PI / nmdct; + * x = invM * (cos(angle) + sin(angle)); + * x = invM * sin(angle); + * + * angle = (nmdct/2 - 1 - i + 0.25) * M_PI / nmdct; + * x = invM * (cos(angle) + sin(angle)); + * x = invM * sin(angle); + * } + */ +const int cos4sin4tab[128 + 1024] = { + /* 128 - format = Q30 * 2^-7 */ + 0xbf9bc731, 0xff9b783c, 0xbed5332c, 0xc002c697, 0xbe112251, 0xfe096c8d, 0xbd4f9c30, 0xc00f1c4a, + 0xbc90a83f, 0xfc77ae5e, 0xbbd44dd9, 0xc0254e27, 0xbb1a9443, 0xfae67ba2, 0xba6382a6, 0xc04558c0, + 0xb9af200f, 0xf9561237, 0xb8fd7373, 0xc06f3726, 0xb84e83ac, 0xf7c6afdc, 0xb7a25779, 0xc0a2e2e3, + 0xb6f8f57c, 0xf6389228, 0xb652643e, 0xc0e05401, 0xb5aeaa2a, 0xf4abf67e, 0xb50dcd90, 0xc1278104, + 0xb46fd4a4, 0xf3211a07, 0xb3d4c57c, 0xc1785ef4, 0xb33ca614, 0xf19839a6, 0xb2a77c49, 0xc1d2e158, + 0xb2154dda, 0xf01191f3, 0xb186206b, 0xc236fa3b, 0xb0f9f981, 0xee8d5f29, 0xb070de82, 0xc2a49a2e, + 0xafead4b9, 0xed0bdd25, 0xaf67e14f, 0xc31bb049, 0xaee80952, 0xeb8d475b, 0xae6b51ae, 0xc39c2a2f, + 0xadf1bf34, 0xea11d8c8, 0xad7b5692, 0xc425f410, 0xad081c5a, 0xe899cbf1, 0xac9814fd, 0xc4b8f8ad, + 0xac2b44cc, 0xe7255ad1, 0xabc1aff9, 0xc555215a, 0xab5b5a96, 0xe5b4bed8, 0xaaf84896, 0xc5fa5603, + 0xaa987dca, 0xe44830dd, 0xaa3bfde3, 0xc6a87d2d, 0xa9e2cc73, 0xe2dfe917, 0xa98cece9, 0xc75f7bfe, + 0xa93a6296, 0xe17c1f15, 0xa8eb30a7, 0xc81f363d, 0xa89f5a2b, 0xe01d09b4, 0xa856e20e, 0xc8e78e5b, + 0xa811cb1b, 0xdec2df18, 0xa7d017fc, 0xc9b86572, 0xa791cb39, 0xdd6dd4a2, 0xa756e73a, 0xca919b4e, + 0xa71f6e43, 0xdc1e1ee9, 0xa6eb6279, 0xcb730e70, 0xa6bac5dc, 0xdad3f1b1, 0xa68d9a4c, 0xcc5c9c14, + 0xa663e188, 0xd98f7fe6, 0xa63d9d2b, 0xcd4e2037, 0xa61aceaf, 0xd850fb8e, 0xa5fb776b, 0xce47759a, + 0xa5df9894, 0xd71895c9, 0xa5c7333e, 0xcf4875ca, 0xa5b2485a, 0xd5e67ec1, 0xa5a0d8b5, 0xd050f926, + 0xa592e4fd, 0xd4bae5ab, 0xa5886dba, 0xd160d6e5, 0xa5817354, 0xd395f8ba, 0xa57df60f, 0xd277e518, + /* 1024 - format = Q30 * 2^-10 */ + 0xbff3703e, 0xfff36f02, 0xbfda5824, 0xc0000b1a, 0xbfc149ed, 0xffc12b16, 0xbfa845a0, 0xc0003c74, + 0xbf8f4b3e, 0xff8ee750, 0xbf765acc, 0xc0009547, 0xbf5d744e, 0xff5ca3d0, 0xbf4497c8, 0xc0011594, + 0xbf2bc53d, 0xff2a60b4, 0xbf12fcb2, 0xc001bd5c, 0xbefa3e2a, 0xfef81e1d, 0xbee189a8, 0xc0028c9c, + 0xbec8df32, 0xfec5dc28, 0xbeb03eca, 0xc0038356, 0xbe97a875, 0xfe939af5, 0xbe7f1c36, 0xc004a188, + 0xbe669a10, 0xfe615aa3, 0xbe4e2209, 0xc005e731, 0xbe35b423, 0xfe2f1b50, 0xbe1d5062, 0xc0075452, + 0xbe04f6cb, 0xfdfcdd1d, 0xbdeca760, 0xc008e8e8, 0xbdd46225, 0xfdcaa027, 0xbdbc2720, 0xc00aa4f3, + 0xbda3f652, 0xfd98648d, 0xbd8bcfbf, 0xc00c8872, 0xbd73b36d, 0xfd662a70, 0xbd5ba15d, 0xc00e9364, + 0xbd439995, 0xfd33f1ed, 0xbd2b9c17, 0xc010c5c7, 0xbd13a8e7, 0xfd01bb24, 0xbcfbc00a, 0xc0131f9b, + 0xbce3e182, 0xfccf8634, 0xbccc0d53, 0xc015a0dd, 0xbcb44382, 0xfc9d533b, 0xbc9c8411, 0xc018498c, + 0xbc84cf05, 0xfc6b2259, 0xbc6d2461, 0xc01b19a7, 0xbc558428, 0xfc38f3ac, 0xbc3dee5f, 0xc01e112b, + 0xbc266309, 0xfc06c754, 0xbc0ee22a, 0xc0213018, 0xbbf76bc4, 0xfbd49d70, 0xbbdfffdd, 0xc024766a, + 0xbbc89e77, 0xfba2761e, 0xbbb14796, 0xc027e421, 0xbb99fb3e, 0xfb70517d, 0xbb82b972, 0xc02b7939, + 0xbb6b8235, 0xfb3e2fac, 0xbb54558d, 0xc02f35b1, 0xbb3d337b, 0xfb0c10cb, 0xbb261c04, 0xc0331986, + 0xbb0f0f2b, 0xfad9f4f8, 0xbaf80cf4, 0xc03724b6, 0xbae11561, 0xfaa7dc52, 0xbaca2878, 0xc03b573f, + 0xbab3463b, 0xfa75c6f8, 0xba9c6eae, 0xc03fb11d, 0xba85a1d4, 0xfa43b508, 0xba6edfb1, 0xc044324f, + 0xba582849, 0xfa11a6a3, 0xba417b9e, 0xc048dad1, 0xba2ad9b5, 0xf9df9be6, 0xba144291, 0xc04daaa1, + 0xb9fdb635, 0xf9ad94f0, 0xb9e734a4, 0xc052a1bb, 0xb9d0bde4, 0xf97b91e1, 0xb9ba51f6, 0xc057c01d, + 0xb9a3f0de, 0xf94992d7, 0xb98d9aa0, 0xc05d05c3, 0xb9774f3f, 0xf91797f0, 0xb9610ebe, 0xc06272aa, + 0xb94ad922, 0xf8e5a14d, 0xb934ae6d, 0xc06806ce, 0xb91e8ea3, 0xf8b3af0c, 0xb90879c7, 0xc06dc22e, + 0xb8f26fdc, 0xf881c14b, 0xb8dc70e7, 0xc073a4c3, 0xb8c67cea, 0xf84fd829, 0xb8b093ea, 0xc079ae8c, + 0xb89ab5e8, 0xf81df3c5, 0xb884e2e9, 0xc07fdf85, 0xb86f1af0, 0xf7ec143e, 0xb8595e00, 0xc08637a9, + 0xb843ac1d, 0xf7ba39b3, 0xb82e0549, 0xc08cb6f5, 0xb818698a, 0xf7886442, 0xb802d8e0, 0xc0935d64, + 0xb7ed5351, 0xf756940a, 0xb7d7d8df, 0xc09a2af3, 0xb7c2698e, 0xf724c92a, 0xb7ad0561, 0xc0a11f9d, + 0xb797ac5b, 0xf6f303c0, 0xb7825e80, 0xc0a83b5e, 0xb76d1bd2, 0xf6c143ec, 0xb757e455, 0xc0af7e33, + 0xb742b80d, 0xf68f89cb, 0xb72d96fd, 0xc0b6e815, 0xb7188127, 0xf65dd57d, 0xb7037690, 0xc0be7901, + 0xb6ee773a, 0xf62c2721, 0xb6d98328, 0xc0c630f2, 0xb6c49a5e, 0xf5fa7ed4, 0xb6afbce0, 0xc0ce0fe3, + 0xb69aeab0, 0xf5c8dcb6, 0xb68623d1, 0xc0d615cf, 0xb6716847, 0xf59740e5, 0xb65cb815, 0xc0de42b2, + 0xb648133e, 0xf565ab80, 0xb63379c5, 0xc0e69686, 0xb61eebae, 0xf5341ca5, 0xb60a68fb, 0xc0ef1147, + 0xb5f5f1b1, 0xf5029473, 0xb5e185d1, 0xc0f7b2ee, 0xb5cd255f, 0xf4d11308, 0xb5b8d05f, 0xc1007b77, + 0xb5a486d2, 0xf49f9884, 0xb59048be, 0xc1096add, 0xb57c1624, 0xf46e2504, 0xb567ef08, 0xc1128119, + 0xb553d36c, 0xf43cb8a7, 0xb53fc355, 0xc11bbe26, 0xb52bbec4, 0xf40b538b, 0xb517c5be, 0xc12521ff, + 0xb503d845, 0xf3d9f5cf, 0xb4eff65c, 0xc12eac9d, 0xb4dc2007, 0xf3a89f92, 0xb4c85548, 0xc1385dfb, + 0xb4b49622, 0xf37750f2, 0xb4a0e299, 0xc1423613, 0xb48d3ab0, 0xf3460a0d, 0xb4799e69, 0xc14c34df, + 0xb4660dc8, 0xf314cb02, 0xb45288cf, 0xc1565a58, 0xb43f0f82, 0xf2e393ef, 0xb42ba1e4, 0xc160a678, + 0xb4183ff7, 0xf2b264f2, 0xb404e9bf, 0xc16b193a, 0xb3f19f3e, 0xf2813e2a, 0xb3de6078, 0xc175b296, + 0xb3cb2d70, 0xf2501fb5, 0xb3b80628, 0xc1807285, 0xb3a4eaa4, 0xf21f09b1, 0xb391dae6, 0xc18b5903, + 0xb37ed6f1, 0xf1edfc3d, 0xb36bdec9, 0xc1966606, 0xb358f26f, 0xf1bcf777, 0xb34611e8, 0xc1a1998a, + 0xb3333d36, 0xf18bfb7d, 0xb320745c, 0xc1acf386, 0xb30db75d, 0xf15b086d, 0xb2fb063b, 0xc1b873f5, + 0xb2e860fa, 0xf12a1e66, 0xb2d5c79d, 0xc1c41ace, 0xb2c33a26, 0xf0f93d86, 0xb2b0b898, 0xc1cfe80a, + 0xb29e42f6, 0xf0c865ea, 0xb28bd943, 0xc1dbdba3, 0xb2797b82, 0xf09797b2, 0xb26729b5, 0xc1e7f591, + 0xb254e3e0, 0xf066d2fa, 0xb242aa05, 0xc1f435cc, 0xb2307c27, 0xf03617e2, 0xb21e5a49, 0xc2009c4e, + 0xb20c446d, 0xf0056687, 0xb1fa3a97, 0xc20d290d, 0xb1e83cc9, 0xefd4bf08, 0xb1d64b06, 0xc219dc03, + 0xb1c46551, 0xefa42181, 0xb1b28bad, 0xc226b528, 0xb1a0be1b, 0xef738e12, 0xb18efca0, 0xc233b473, + 0xb17d473d, 0xef4304d8, 0xb16b9df6, 0xc240d9de, 0xb15a00cd, 0xef1285f2, 0xb1486fc5, 0xc24e255e, + 0xb136eae1, 0xeee2117c, 0xb1257223, 0xc25b96ee, 0xb114058e, 0xeeb1a796, 0xb102a524, 0xc2692e83, + 0xb0f150e9, 0xee81485c, 0xb0e008e0, 0xc276ec16, 0xb0cecd09, 0xee50f3ed, 0xb0bd9d6a, 0xc284cf9f, + 0xb0ac7a03, 0xee20aa67, 0xb09b62d8, 0xc292d914, 0xb08a57eb, 0xedf06be6, 0xb079593f, 0xc2a1086d, + 0xb06866d7, 0xedc0388a, 0xb05780b5, 0xc2af5da2, 0xb046a6db, 0xed901070, 0xb035d94e, 0xc2bdd8a9, + 0xb025180e, 0xed5ff3b5, 0xb014631e, 0xc2cc7979, 0xb003ba82, 0xed2fe277, 0xaff31e3b, 0xc2db400a, + 0xafe28e4d, 0xecffdcd4, 0xafd20ab9, 0xc2ea2c53, 0xafc19383, 0xeccfe2ea, 0xafb128ad, 0xc2f93e4a, + 0xafa0ca39, 0xec9ff4d6, 0xaf90782a, 0xc30875e5, 0xaf803283, 0xec7012b5, 0xaf6ff945, 0xc317d31c, + 0xaf5fcc74, 0xec403ca5, 0xaf4fac12, 0xc32755e5, 0xaf3f9822, 0xec1072c4, 0xaf2f90a5, 0xc336fe37, + 0xaf1f959f, 0xebe0b52f, 0xaf0fa712, 0xc346cc07, 0xaeffc500, 0xebb10404, 0xaeefef6c, 0xc356bf4d, + 0xaee02658, 0xeb815f60, 0xaed069c7, 0xc366d7fd, 0xaec0b9bb, 0xeb51c760, 0xaeb11636, 0xc377160f, + 0xaea17f3b, 0xeb223c22, 0xae91f4cd, 0xc3877978, 0xae8276ed, 0xeaf2bdc3, 0xae73059f, 0xc398022f, + 0xae63a0e3, 0xeac34c60, 0xae5448be, 0xc3a8b028, 0xae44fd31, 0xea93e817, 0xae35be3f, 0xc3b9835a, + 0xae268be9, 0xea649105, 0xae176633, 0xc3ca7bba, 0xae084d1f, 0xea354746, 0xadf940ae, 0xc3db993e, + 0xadea40e4, 0xea060af9, 0xaddb4dc2, 0xc3ecdbdc, 0xadcc674b, 0xe9d6dc3b, 0xadbd8d82, 0xc3fe4388, + 0xadaec067, 0xe9a7bb28, 0xad9fffff, 0xc40fd037, 0xad914c4b, 0xe978a7dd, 0xad82a54c, 0xc42181e0, + 0xad740b07, 0xe949a278, 0xad657d7c, 0xc4335877, 0xad56fcaf, 0xe91aab16, 0xad4888a0, 0xc44553f2, + 0xad3a2153, 0xe8ebc1d3, 0xad2bc6ca, 0xc4577444, 0xad1d7907, 0xe8bce6cd, 0xad0f380c, 0xc469b963, + 0xad0103db, 0xe88e1a20, 0xacf2dc77, 0xc47c2344, 0xace4c1e2, 0xe85f5be9, 0xacd6b41e, 0xc48eb1db, + 0xacc8b32c, 0xe830ac45, 0xacbabf10, 0xc4a1651c, 0xacacd7cb, 0xe8020b52, 0xac9efd60, 0xc4b43cfd, + 0xac912fd1, 0xe7d3792b, 0xac836f1f, 0xc4c73972, 0xac75bb4d, 0xe7a4f5ed, 0xac68145d, 0xc4da5a6f, + 0xac5a7a52, 0xe77681b6, 0xac4ced2c, 0xc4ed9fe7, 0xac3f6cef, 0xe7481ca1, 0xac31f99d, 0xc50109d0, + 0xac249336, 0xe719c6cb, 0xac1739bf, 0xc514981d, 0xac09ed38, 0xe6eb8052, 0xabfcada3, 0xc5284ac3, + 0xabef7b04, 0xe6bd4951, 0xabe2555b, 0xc53c21b4, 0xabd53caa, 0xe68f21e5, 0xabc830f5, 0xc5501ce5, + 0xabbb323c, 0xe6610a2a, 0xabae4082, 0xc5643c4a, 0xaba15bc9, 0xe633023e, 0xab948413, 0xc5787fd6, + 0xab87b962, 0xe6050a3b, 0xab7afbb7, 0xc58ce77c, 0xab6e4b15, 0xe5d72240, 0xab61a77d, 0xc5a17330, + 0xab5510f3, 0xe5a94a67, 0xab488776, 0xc5b622e6, 0xab3c0b0b, 0xe57b82cd, 0xab2f9bb1, 0xc5caf690, + 0xab23396c, 0xe54dcb8f, 0xab16e43d, 0xc5dfee22, 0xab0a9c27, 0xe52024c9, 0xaafe612a, 0xc5f5098f, + 0xaaf23349, 0xe4f28e96, 0xaae61286, 0xc60a48c9, 0xaad9fee3, 0xe4c50914, 0xaacdf861, 0xc61fabc4, + 0xaac1ff03, 0xe497945d, 0xaab612ca, 0xc6353273, 0xaaaa33b8, 0xe46a308f, 0xaa9e61cf, 0xc64adcc7, + 0xaa929d10, 0xe43cddc4, 0xaa86e57e, 0xc660aab5, 0xaa7b3b1b, 0xe40f9c1a, 0xaa6f9de7, 0xc6769c2e, + 0xaa640de6, 0xe3e26bac, 0xaa588b18, 0xc68cb124, 0xaa4d157f, 0xe3b54c95, 0xaa41ad1e, 0xc6a2e98b, + 0xaa3651f6, 0xe3883ef2, 0xaa2b0409, 0xc6b94554, 0xaa1fc358, 0xe35b42df, 0xaa148fe6, 0xc6cfc472, + 0xaa0969b3, 0xe32e5876, 0xa9fe50c2, 0xc6e666d7, 0xa9f34515, 0xe3017fd5, 0xa9e846ad, 0xc6fd2c75, + 0xa9dd558b, 0xe2d4b916, 0xa9d271b2, 0xc714153e, 0xa9c79b23, 0xe2a80456, 0xa9bcd1e0, 0xc72b2123, + 0xa9b215ea, 0xe27b61af, 0xa9a76744, 0xc7425016, 0xa99cc5ee, 0xe24ed13d, 0xa99231eb, 0xc759a20a, + 0xa987ab3c, 0xe222531c, 0xa97d31e3, 0xc77116f0, 0xa972c5e1, 0xe1f5e768, 0xa9686738, 0xc788aeb9, + 0xa95e15e9, 0xe1c98e3b, 0xa953d1f7, 0xc7a06957, 0xa9499b62, 0xe19d47b1, 0xa93f722c, 0xc7b846ba, + 0xa9355658, 0xe17113e5, 0xa92b47e5, 0xc7d046d6, 0xa92146d7, 0xe144f2f3, 0xa917532e, 0xc7e8699a, + 0xa90d6cec, 0xe118e4f6, 0xa9039413, 0xc800aef7, 0xa8f9c8a4, 0xe0ecea09, 0xa8f00aa0, 0xc81916df, + 0xa8e65a0a, 0xe0c10247, 0xa8dcb6e2, 0xc831a143, 0xa8d3212a, 0xe0952dcb, 0xa8c998e3, 0xc84a4e14, + 0xa8c01e10, 0xe0696cb0, 0xa8b6b0b1, 0xc8631d42, 0xa8ad50c8, 0xe03dbf11, 0xa8a3fe57, 0xc87c0ebd, + 0xa89ab95e, 0xe012250a, 0xa89181df, 0xc8952278, 0xa88857dc, 0xdfe69eb4, 0xa87f3b57, 0xc8ae5862, + 0xa8762c4f, 0xdfbb2c2c, 0xa86d2ac8, 0xc8c7b06b, 0xa86436c2, 0xdf8fcd8b, 0xa85b503e, 0xc8e12a84, + 0xa852773f, 0xdf6482ed, 0xa849abc4, 0xc8fac69e, 0xa840edd1, 0xdf394c6b, 0xa8383d66, 0xc91484a8, + 0xa82f9a84, 0xdf0e2a22, 0xa827052d, 0xc92e6492, 0xa81e7d62, 0xdee31c2b, 0xa8160324, 0xc948664d, + 0xa80d9675, 0xdeb822a1, 0xa8053756, 0xc96289c9, 0xa7fce5c9, 0xde8d3d9e, 0xa7f4a1ce, 0xc97ccef5, + 0xa7ec6b66, 0xde626d3e, 0xa7e44294, 0xc99735c2, 0xa7dc2759, 0xde37b199, 0xa7d419b4, 0xc9b1be1e, + 0xa7cc19a9, 0xde0d0acc, 0xa7c42738, 0xc9cc67fa, 0xa7bc4262, 0xdde278ef, 0xa7b46b29, 0xc9e73346, + 0xa7aca18e, 0xddb7fc1e, 0xa7a4e591, 0xca021fef, 0xa79d3735, 0xdd8d9472, 0xa795967a, 0xca1d2de7, + 0xa78e0361, 0xdd634206, 0xa7867dec, 0xca385d1d, 0xa77f061c, 0xdd3904f4, 0xa7779bf2, 0xca53ad7e, + 0xa7703f70, 0xdd0edd55, 0xa768f095, 0xca6f1efc, 0xa761af64, 0xdce4cb44, 0xa75a7bdd, 0xca8ab184, + 0xa7535602, 0xdcbacedb, 0xa74c3dd4, 0xcaa66506, 0xa7453353, 0xdc90e834, 0xa73e3681, 0xcac23971, + 0xa7374760, 0xdc671768, 0xa73065ef, 0xcade2eb3, 0xa7299231, 0xdc3d5c91, 0xa722cc25, 0xcafa44bc, + 0xa71c13ce, 0xdc13b7c9, 0xa715692c, 0xcb167b79, 0xa70ecc41, 0xdbea292b, 0xa7083d0d, 0xcb32d2da, + 0xa701bb91, 0xdbc0b0ce, 0xa6fb47ce, 0xcb4f4acd, 0xa6f4e1c6, 0xdb974ece, 0xa6ee8979, 0xcb6be341, + 0xa6e83ee8, 0xdb6e0342, 0xa6e20214, 0xcb889c23, 0xa6dbd2ff, 0xdb44ce46, 0xa6d5b1a9, 0xcba57563, + 0xa6cf9e13, 0xdb1baff2, 0xa6c9983e, 0xcbc26eee, 0xa6c3a02b, 0xdaf2a860, 0xa6bdb5da, 0xcbdf88b3, + 0xa6b7d94e, 0xdac9b7a9, 0xa6b20a86, 0xcbfcc29f, 0xa6ac4984, 0xdaa0dde7, 0xa6a69649, 0xcc1a1ca0, + 0xa6a0f0d5, 0xda781b31, 0xa69b5929, 0xcc3796a5, 0xa695cf46, 0xda4f6fa3, 0xa690532d, 0xcc55309b, + 0xa68ae4df, 0xda26db54, 0xa685845c, 0xcc72ea70, 0xa68031a6, 0xd9fe5e5e, 0xa67aecbd, 0xcc90c412, + 0xa675b5a3, 0xd9d5f8d9, 0xa6708c57, 0xccaebd6e, 0xa66b70db, 0xd9adaadf, 0xa6666330, 0xccccd671, + 0xa6616355, 0xd9857489, 0xa65c714d, 0xcceb0f0a, 0xa6578d18, 0xd95d55ef, 0xa652b6b6, 0xcd096725, + 0xa64dee28, 0xd9354f2a, 0xa6493370, 0xcd27deb0, 0xa644868d, 0xd90d6053, 0xa63fe781, 0xcd467599, + 0xa63b564c, 0xd8e58982, 0xa636d2ee, 0xcd652bcb, 0xa6325d6a, 0xd8bdcad0, 0xa62df5bf, 0xcd840134, + 0xa6299bed, 0xd8962456, 0xa6254ff7, 0xcda2f5c2, 0xa62111db, 0xd86e962b, 0xa61ce19c, 0xcdc20960, + 0xa618bf39, 0xd8472069, 0xa614aab3, 0xcde13bfd, 0xa610a40c, 0xd81fc328, 0xa60cab43, 0xce008d84, + 0xa608c058, 0xd7f87e7f, 0xa604e34e, 0xce1ffde2, 0xa6011424, 0xd7d15288, 0xa5fd52db, 0xce3f8d05, + 0xa5f99f73, 0xd7aa3f5a, 0xa5f5f9ed, 0xce5f3ad8, 0xa5f2624a, 0xd783450d, 0xa5eed88a, 0xce7f0748, + 0xa5eb5cae, 0xd75c63ba, 0xa5e7eeb6, 0xce9ef241, 0xa5e48ea3, 0xd7359b78, 0xa5e13c75, 0xcebefbb0, + 0xa5ddf82d, 0xd70eec60, 0xa5dac1cb, 0xcedf2380, 0xa5d79950, 0xd6e85689, 0xa5d47ebc, 0xceff699f, + 0xa5d17210, 0xd6c1da0b, 0xa5ce734d, 0xcf1fcdf8, 0xa5cb8272, 0xd69b76fe, 0xa5c89f80, 0xcf405077, + 0xa5c5ca77, 0xd6752d79, 0xa5c30359, 0xcf60f108, 0xa5c04a25, 0xd64efd94, 0xa5bd9edc, 0xcf81af97, + 0xa5bb017f, 0xd628e767, 0xa5b8720d, 0xcfa28c10, 0xa5b5f087, 0xd602eb0a, 0xa5b37cee, 0xcfc3865e, + 0xa5b11741, 0xd5dd0892, 0xa5aebf82, 0xcfe49e6d, 0xa5ac75b0, 0xd5b74019, 0xa5aa39cd, 0xd005d42a, + 0xa5a80bd7, 0xd59191b5, 0xa5a5ebd0, 0xd027277e, 0xa5a3d9b8, 0xd56bfd7d, 0xa5a1d590, 0xd0489856, + 0xa59fdf57, 0xd5468389, 0xa59df70e, 0xd06a269d, 0xa59c1cb5, 0xd52123f0, 0xa59a504c, 0xd08bd23f, + 0xa59891d4, 0xd4fbdec9, 0xa596e14e, 0xd0ad9b26, 0xa5953eb8, 0xd4d6b42b, 0xa593aa14, 0xd0cf813e, + 0xa5922362, 0xd4b1a42c, 0xa590aaa2, 0xd0f18472, 0xa58f3fd4, 0xd48caee4, 0xa58de2f8, 0xd113a4ad, + 0xa58c940f, 0xd467d469, 0xa58b5319, 0xd135e1d9, 0xa58a2016, 0xd44314d3, 0xa588fb06, 0xd1583be2, + 0xa587e3ea, 0xd41e7037, 0xa586dac1, 0xd17ab2b3, 0xa585df8c, 0xd3f9e6ad, 0xa584f24b, 0xd19d4636, + 0xa58412fe, 0xd3d5784a, 0xa58341a5, 0xd1bff656, 0xa5827e40, 0xd3b12526, 0xa581c8d0, 0xd1e2c2fd, + 0xa5812154, 0xd38ced57, 0xa58087cd, 0xd205ac17, 0xa57ffc3b, 0xd368d0f3, 0xa57f7e9d, 0xd228b18d, + 0xa57f0ef5, 0xd344d011, 0xa57ead41, 0xd24bd34a, 0xa57e5982, 0xd320eac6, 0xa57e13b8, 0xd26f1138, + 0xa57ddbe4, 0xd2fd2129, 0xa57db204, 0xd2926b41, 0xa57d961a, 0xd2d97350, 0xa57d8825, 0xd2b5e151, +}; + +/* PostMultiply() tables + * format = Q30 + * reordered for sequential access + * decimate (skip by 16 instead of 2) for small transform (128) + * + * for (i = 0; i <= (512/2); i++) { + * angle = i * M_PI / 1024; + * x = (cos(angle) + sin(angle)); + * x = sin(angle); + * } + */ +const int cos1sin1tab[514] = { + /* format = Q30 */ + 0x40000000, 0x00000000, 0x40323034, 0x003243f1, 0x406438cf, 0x006487c4, 0x409619b2, 0x0096cb58, + 0x40c7d2bd, 0x00c90e90, 0x40f963d3, 0x00fb514b, 0x412accd4, 0x012d936c, 0x415c0da3, 0x015fd4d2, + 0x418d2621, 0x0192155f, 0x41be162f, 0x01c454f5, 0x41eeddaf, 0x01f69373, 0x421f7c84, 0x0228d0bb, + 0x424ff28f, 0x025b0caf, 0x42803fb2, 0x028d472e, 0x42b063d0, 0x02bf801a, 0x42e05ecb, 0x02f1b755, + 0x43103085, 0x0323ecbe, 0x433fd8e1, 0x03562038, 0x436f57c1, 0x038851a2, 0x439ead09, 0x03ba80df, + 0x43cdd89a, 0x03ecadcf, 0x43fcda59, 0x041ed854, 0x442bb227, 0x0451004d, 0x445a5fe8, 0x0483259d, + 0x4488e37f, 0x04b54825, 0x44b73ccf, 0x04e767c5, 0x44e56bbd, 0x0519845e, 0x4513702a, 0x054b9dd3, + 0x454149fc, 0x057db403, 0x456ef916, 0x05afc6d0, 0x459c7d5a, 0x05e1d61b, 0x45c9d6af, 0x0613e1c5, + 0x45f704f7, 0x0645e9af, 0x46240816, 0x0677edbb, 0x4650dff1, 0x06a9edc9, 0x467d8c6d, 0x06dbe9bb, + 0x46aa0d6d, 0x070de172, 0x46d662d6, 0x073fd4cf, 0x47028c8d, 0x0771c3b3, 0x472e8a76, 0x07a3adff, + 0x475a5c77, 0x07d59396, 0x47860275, 0x08077457, 0x47b17c54, 0x08395024, 0x47dcc9f9, 0x086b26de, + 0x4807eb4b, 0x089cf867, 0x4832e02d, 0x08cec4a0, 0x485da887, 0x09008b6a, 0x4888443d, 0x09324ca7, + 0x48b2b335, 0x09640837, 0x48dcf556, 0x0995bdfd, 0x49070a84, 0x09c76dd8, 0x4930f2a6, 0x09f917ac, + 0x495aada2, 0x0a2abb59, 0x49843b5f, 0x0a5c58c0, 0x49ad9bc2, 0x0a8defc3, 0x49d6ceb3, 0x0abf8043, + 0x49ffd417, 0x0af10a22, 0x4a28abd6, 0x0b228d42, 0x4a5155d6, 0x0b540982, 0x4a79d1ff, 0x0b857ec7, + 0x4aa22036, 0x0bb6ecef, 0x4aca4065, 0x0be853de, 0x4af23270, 0x0c19b374, 0x4b19f641, 0x0c4b0b94, + 0x4b418bbe, 0x0c7c5c1e, 0x4b68f2cf, 0x0cada4f5, 0x4b902b5c, 0x0cdee5f9, 0x4bb7354d, 0x0d101f0e, + 0x4bde1089, 0x0d415013, 0x4c04bcf8, 0x0d7278eb, 0x4c2b3a84, 0x0da39978, 0x4c518913, 0x0dd4b19a, + 0x4c77a88e, 0x0e05c135, 0x4c9d98de, 0x0e36c82a, 0x4cc359ec, 0x0e67c65a, 0x4ce8eb9f, 0x0e98bba7, + 0x4d0e4de2, 0x0ec9a7f3, 0x4d33809c, 0x0efa8b20, 0x4d5883b7, 0x0f2b650f, 0x4d7d571c, 0x0f5c35a3, + 0x4da1fab5, 0x0f8cfcbe, 0x4dc66e6a, 0x0fbdba40, 0x4deab226, 0x0fee6e0d, 0x4e0ec5d1, 0x101f1807, + 0x4e32a956, 0x104fb80e, 0x4e565c9f, 0x10804e06, 0x4e79df95, 0x10b0d9d0, 0x4e9d3222, 0x10e15b4e, + 0x4ec05432, 0x1111d263, 0x4ee345ad, 0x11423ef0, 0x4f06067f, 0x1172a0d7, 0x4f289692, 0x11a2f7fc, + 0x4f4af5d1, 0x11d3443f, 0x4f6d2427, 0x12038584, 0x4f8f217e, 0x1233bbac, 0x4fb0edc1, 0x1263e699, + 0x4fd288dc, 0x1294062f, 0x4ff3f2bb, 0x12c41a4f, 0x50152b47, 0x12f422db, 0x5036326e, 0x13241fb6, + 0x50570819, 0x135410c3, 0x5077ac37, 0x1383f5e3, 0x50981eb1, 0x13b3cefa, 0x50b85f74, 0x13e39be9, + 0x50d86e6d, 0x14135c94, 0x50f84b87, 0x144310dd, 0x5117f6ae, 0x1472b8a5, 0x51376fd0, 0x14a253d1, + 0x5156b6d9, 0x14d1e242, 0x5175cbb5, 0x150163dc, 0x5194ae52, 0x1530d881, 0x51b35e9b, 0x15604013, + 0x51d1dc80, 0x158f9a76, 0x51f027eb, 0x15bee78c, 0x520e40cc, 0x15ee2738, 0x522c270f, 0x161d595d, + 0x5249daa2, 0x164c7ddd, 0x52675b72, 0x167b949d, 0x5284a96e, 0x16aa9d7e, 0x52a1c482, 0x16d99864, + 0x52beac9f, 0x17088531, 0x52db61b0, 0x173763c9, 0x52f7e3a6, 0x1766340f, 0x5314326d, 0x1794f5e6, + 0x53304df6, 0x17c3a931, 0x534c362d, 0x17f24dd3, 0x5367eb03, 0x1820e3b0, 0x53836c66, 0x184f6aab, + 0x539eba45, 0x187de2a7, 0x53b9d48f, 0x18ac4b87, 0x53d4bb34, 0x18daa52f, 0x53ef6e23, 0x1908ef82, + 0x5409ed4b, 0x19372a64, 0x5424389d, 0x196555b8, 0x543e5007, 0x19937161, 0x5458337a, 0x19c17d44, + 0x5471e2e6, 0x19ef7944, 0x548b5e3b, 0x1a1d6544, 0x54a4a56a, 0x1a4b4128, 0x54bdb862, 0x1a790cd4, + 0x54d69714, 0x1aa6c82b, 0x54ef4171, 0x1ad47312, 0x5507b76a, 0x1b020d6c, 0x551ff8ef, 0x1b2f971e, + 0x553805f2, 0x1b5d100a, 0x554fde64, 0x1b8a7815, 0x55678236, 0x1bb7cf23, 0x557ef15a, 0x1be51518, + 0x55962bc0, 0x1c1249d8, 0x55ad315b, 0x1c3f6d47, 0x55c4021d, 0x1c6c7f4a, 0x55da9df7, 0x1c997fc4, + 0x55f104dc, 0x1cc66e99, 0x560736bd, 0x1cf34baf, 0x561d338d, 0x1d2016e9, 0x5632fb3f, 0x1d4cd02c, + 0x56488dc5, 0x1d79775c, 0x565deb11, 0x1da60c5d, 0x56731317, 0x1dd28f15, 0x568805c9, 0x1dfeff67, + 0x569cc31b, 0x1e2b5d38, 0x56b14b00, 0x1e57a86d, 0x56c59d6a, 0x1e83e0eb, 0x56d9ba4e, 0x1eb00696, + 0x56eda1a0, 0x1edc1953, 0x57015352, 0x1f081907, 0x5714cf59, 0x1f340596, 0x572815a8, 0x1f5fdee6, + 0x573b2635, 0x1f8ba4dc, 0x574e00f2, 0x1fb7575c, 0x5760a5d5, 0x1fe2f64c, 0x577314d2, 0x200e8190, + 0x57854ddd, 0x2039f90f, 0x579750ec, 0x20655cac, 0x57a91df2, 0x2090ac4d, 0x57bab4e6, 0x20bbe7d8, + 0x57cc15bc, 0x20e70f32, 0x57dd406a, 0x21122240, 0x57ee34e5, 0x213d20e8, 0x57fef323, 0x21680b0f, + 0x580f7b19, 0x2192e09b, 0x581fccbc, 0x21bda171, 0x582fe804, 0x21e84d76, 0x583fcce6, 0x2212e492, + 0x584f7b58, 0x223d66a8, 0x585ef351, 0x2267d3a0, 0x586e34c7, 0x22922b5e, 0x587d3fb0, 0x22bc6dca, + 0x588c1404, 0x22e69ac8, 0x589ab1b9, 0x2310b23e, 0x58a918c6, 0x233ab414, 0x58b74923, 0x2364a02e, + 0x58c542c5, 0x238e7673, 0x58d305a6, 0x23b836ca, 0x58e091bd, 0x23e1e117, 0x58ede700, 0x240b7543, + 0x58fb0568, 0x2434f332, 0x5907eced, 0x245e5acc, 0x59149d87, 0x2487abf7, 0x5921172e, 0x24b0e699, + 0x592d59da, 0x24da0a9a, 0x59396584, 0x250317df, 0x59453a24, 0x252c0e4f, 0x5950d7b3, 0x2554edd1, + 0x595c3e2a, 0x257db64c, 0x59676d82, 0x25a667a7, 0x597265b4, 0x25cf01c8, 0x597d26b8, 0x25f78497, + 0x5987b08a, 0x261feffa, 0x59920321, 0x264843d9, 0x599c1e78, 0x2670801a, 0x59a60288, 0x2698a4a6, + 0x59afaf4c, 0x26c0b162, 0x59b924bc, 0x26e8a637, 0x59c262d5, 0x2710830c, 0x59cb698f, 0x273847c8, + 0x59d438e5, 0x275ff452, 0x59dcd0d3, 0x27878893, 0x59e53151, 0x27af0472, 0x59ed5a5c, 0x27d667d5, + 0x59f54bee, 0x27fdb2a7, 0x59fd0603, 0x2824e4cc, 0x5a048895, 0x284bfe2f, 0x5a0bd3a1, 0x2872feb6, + 0x5a12e720, 0x2899e64a, 0x5a19c310, 0x28c0b4d2, 0x5a20676c, 0x28e76a37, 0x5a26d42f, 0x290e0661, + 0x5a2d0957, 0x29348937, 0x5a3306de, 0x295af2a3, 0x5a38ccc2, 0x2981428c, 0x5a3e5afe, 0x29a778db, + 0x5a43b190, 0x29cd9578, 0x5a48d074, 0x29f3984c, 0x5a4db7a6, 0x2a19813f, 0x5a526725, 0x2a3f503a, + 0x5a56deec, 0x2a650525, 0x5a5b1efa, 0x2a8a9fea, 0x5a5f274b, 0x2ab02071, 0x5a62f7dd, 0x2ad586a3, + 0x5a6690ae, 0x2afad269, 0x5a69f1bb, 0x2b2003ac, 0x5a6d1b03, 0x2b451a55, 0x5a700c84, 0x2b6a164d, + 0x5a72c63b, 0x2b8ef77d, 0x5a754827, 0x2bb3bdce, 0x5a779246, 0x2bd8692b, 0x5a79a498, 0x2bfcf97c, + 0x5a7b7f1a, 0x2c216eaa, 0x5a7d21cc, 0x2c45c8a0, 0x5a7e8cac, 0x2c6a0746, 0x5a7fbfbb, 0x2c8e2a87, + 0x5a80baf6, 0x2cb2324c, 0x5a817e5d, 0x2cd61e7f, 0x5a8209f1, 0x2cf9ef09, 0x5a825db0, 0x2d1da3d5, + 0x5a82799a, 0x2d413ccd, +}; + +const int sinWindowOffset[NUM_IMDCT_SIZES] = {0, 128}; + +/* Synthesis window - SIN + * format = Q31 for nmdct = [128, 1024] + * reordered for sequential access + * + * for (i = 0; i < nmdct/2; i++) { + * angle = (i + 0.5) * M_PI / (2.0 * nmdct); + * x = sin(angle); + * + * angle = (nmdct - 1 - i + 0.5) * M_PI / (2.0 * nmdct); + * x = sin(angle); + * } + */ +const int sinWindow[128 + 1024] = { + /* 128 - format = Q31 * 2^0 */ + 0x00c90f88, 0x7fff6216, 0x025b26d7, 0x7ffa72d1, 0x03ed26e6, 0x7ff09478, 0x057f0035, 0x7fe1c76b, + 0x0710a345, 0x7fce0c3e, 0x08a2009a, 0x7fb563b3, 0x0a3308bd, 0x7f97cebd, 0x0bc3ac35, 0x7f754e80, + 0x0d53db92, 0x7f4de451, 0x0ee38766, 0x7f2191b4, 0x1072a048, 0x7ef05860, 0x120116d5, 0x7eba3a39, + 0x138edbb1, 0x7e7f3957, 0x151bdf86, 0x7e3f57ff, 0x16a81305, 0x7dfa98a8, 0x183366e9, 0x7db0fdf8, + 0x19bdcbf3, 0x7d628ac6, 0x1b4732ef, 0x7d0f4218, 0x1ccf8cb3, 0x7cb72724, 0x1e56ca1e, 0x7c5a3d50, + 0x1fdcdc1b, 0x7bf88830, 0x2161b3a0, 0x7b920b89, 0x22e541af, 0x7b26cb4f, 0x24677758, 0x7ab6cba4, + 0x25e845b6, 0x7a4210d8, 0x27679df4, 0x79c89f6e, 0x28e5714b, 0x794a7c12, 0x2a61b101, 0x78c7aba2, + 0x2bdc4e6f, 0x78403329, 0x2d553afc, 0x77b417df, 0x2ecc681e, 0x77235f2d, 0x3041c761, 0x768e0ea6, + 0x31b54a5e, 0x75f42c0b, 0x3326e2c3, 0x7555bd4c, 0x34968250, 0x74b2c884, 0x36041ad9, 0x740b53fb, + 0x376f9e46, 0x735f6626, 0x38d8fe93, 0x72af05a7, 0x3a402dd2, 0x71fa3949, 0x3ba51e29, 0x71410805, + 0x3d07c1d6, 0x708378ff, 0x3e680b2c, 0x6fc19385, 0x3fc5ec98, 0x6efb5f12, 0x4121589b, 0x6e30e34a, + 0x427a41d0, 0x6d6227fa, 0x43d09aed, 0x6c8f351c, 0x452456bd, 0x6bb812d1, 0x46756828, 0x6adcc964, + 0x47c3c22f, 0x69fd614a, 0x490f57ee, 0x6919e320, 0x4a581c9e, 0x683257ab, 0x4b9e0390, 0x6746c7d8, + 0x4ce10034, 0x66573cbb, 0x4e210617, 0x6563bf92, 0x4f5e08e3, 0x646c59bf, 0x5097fc5e, 0x637114cc, + 0x51ced46e, 0x6271fa69, 0x53028518, 0x616f146c, 0x5433027d, 0x60686ccf, 0x556040e2, 0x5f5e0db3, + 0x568a34a9, 0x5e50015d, 0x57b0d256, 0x5d3e5237, 0x58d40e8c, 0x5c290acc, 0x59f3de12, 0x5b1035cf, + /* 1024 - format = Q31 * 2^0 */ + 0x001921fb, 0x7ffffd88, 0x004b65ee, 0x7fffe9cb, 0x007da9d4, 0x7fffc251, 0x00afeda8, 0x7fff8719, + 0x00e23160, 0x7fff3824, 0x011474f6, 0x7ffed572, 0x0146b860, 0x7ffe5f03, 0x0178fb99, 0x7ffdd4d7, + 0x01ab3e97, 0x7ffd36ee, 0x01dd8154, 0x7ffc8549, 0x020fc3c6, 0x7ffbbfe6, 0x024205e8, 0x7ffae6c7, + 0x027447b0, 0x7ff9f9ec, 0x02a68917, 0x7ff8f954, 0x02d8ca16, 0x7ff7e500, 0x030b0aa4, 0x7ff6bcf0, + 0x033d4abb, 0x7ff58125, 0x036f8a51, 0x7ff4319d, 0x03a1c960, 0x7ff2ce5b, 0x03d407df, 0x7ff1575d, + 0x040645c7, 0x7fefcca4, 0x04388310, 0x7fee2e30, 0x046abfb3, 0x7fec7c02, 0x049cfba7, 0x7feab61a, + 0x04cf36e5, 0x7fe8dc78, 0x05017165, 0x7fe6ef1c, 0x0533ab20, 0x7fe4ee06, 0x0565e40d, 0x7fe2d938, + 0x05981c26, 0x7fe0b0b1, 0x05ca5361, 0x7fde7471, 0x05fc89b8, 0x7fdc247a, 0x062ebf22, 0x7fd9c0ca, + 0x0660f398, 0x7fd74964, 0x06932713, 0x7fd4be46, 0x06c5598a, 0x7fd21f72, 0x06f78af6, 0x7fcf6ce8, + 0x0729bb4e, 0x7fcca6a7, 0x075bea8c, 0x7fc9ccb2, 0x078e18a7, 0x7fc6df08, 0x07c04598, 0x7fc3dda9, + 0x07f27157, 0x7fc0c896, 0x08249bdd, 0x7fbd9fd0, 0x0856c520, 0x7fba6357, 0x0888ed1b, 0x7fb7132b, + 0x08bb13c5, 0x7fb3af4e, 0x08ed3916, 0x7fb037bf, 0x091f5d06, 0x7facac7f, 0x09517f8f, 0x7fa90d8e, + 0x0983a0a7, 0x7fa55aee, 0x09b5c048, 0x7fa1949e, 0x09e7de6a, 0x7f9dbaa0, 0x0a19fb04, 0x7f99ccf4, + 0x0a4c1610, 0x7f95cb9a, 0x0a7e2f85, 0x7f91b694, 0x0ab0475c, 0x7f8d8de1, 0x0ae25d8d, 0x7f895182, + 0x0b147211, 0x7f850179, 0x0b4684df, 0x7f809dc5, 0x0b7895f0, 0x7f7c2668, 0x0baaa53b, 0x7f779b62, + 0x0bdcb2bb, 0x7f72fcb4, 0x0c0ebe66, 0x7f6e4a5e, 0x0c40c835, 0x7f698461, 0x0c72d020, 0x7f64aabf, + 0x0ca4d620, 0x7f5fbd77, 0x0cd6da2d, 0x7f5abc8a, 0x0d08dc3f, 0x7f55a7fa, 0x0d3adc4e, 0x7f507fc7, + 0x0d6cda53, 0x7f4b43f2, 0x0d9ed646, 0x7f45f47b, 0x0dd0d01f, 0x7f409164, 0x0e02c7d7, 0x7f3b1aad, + 0x0e34bd66, 0x7f359057, 0x0e66b0c3, 0x7f2ff263, 0x0e98a1e9, 0x7f2a40d2, 0x0eca90ce, 0x7f247ba5, + 0x0efc7d6b, 0x7f1ea2dc, 0x0f2e67b8, 0x7f18b679, 0x0f604faf, 0x7f12b67c, 0x0f923546, 0x7f0ca2e7, + 0x0fc41876, 0x7f067bba, 0x0ff5f938, 0x7f0040f6, 0x1027d784, 0x7ef9f29d, 0x1059b352, 0x7ef390ae, + 0x108b8c9b, 0x7eed1b2c, 0x10bd6356, 0x7ee69217, 0x10ef377d, 0x7edff570, 0x11210907, 0x7ed94538, + 0x1152d7ed, 0x7ed28171, 0x1184a427, 0x7ecbaa1a, 0x11b66dad, 0x7ec4bf36, 0x11e83478, 0x7ebdc0c6, + 0x1219f880, 0x7eb6aeca, 0x124bb9be, 0x7eaf8943, 0x127d7829, 0x7ea85033, 0x12af33ba, 0x7ea1039b, + 0x12e0ec6a, 0x7e99a37c, 0x1312a230, 0x7e922fd6, 0x13445505, 0x7e8aa8ac, 0x137604e2, 0x7e830dff, + 0x13a7b1bf, 0x7e7b5fce, 0x13d95b93, 0x7e739e1d, 0x140b0258, 0x7e6bc8eb, 0x143ca605, 0x7e63e03b, + 0x146e4694, 0x7e5be40c, 0x149fe3fc, 0x7e53d462, 0x14d17e36, 0x7e4bb13c, 0x1503153a, 0x7e437a9c, + 0x1534a901, 0x7e3b3083, 0x15663982, 0x7e32d2f4, 0x1597c6b7, 0x7e2a61ed, 0x15c95097, 0x7e21dd73, + 0x15fad71b, 0x7e194584, 0x162c5a3b, 0x7e109a24, 0x165dd9f0, 0x7e07db52, 0x168f5632, 0x7dff0911, + 0x16c0cef9, 0x7df62362, 0x16f2443e, 0x7ded2a47, 0x1723b5f9, 0x7de41dc0, 0x17552422, 0x7ddafdce, + 0x17868eb3, 0x7dd1ca75, 0x17b7f5a3, 0x7dc883b4, 0x17e958ea, 0x7dbf298d, 0x181ab881, 0x7db5bc02, + 0x184c1461, 0x7dac3b15, 0x187d6c82, 0x7da2a6c6, 0x18aec0db, 0x7d98ff17, 0x18e01167, 0x7d8f4409, + 0x19115e1c, 0x7d85759f, 0x1942a6f3, 0x7d7b93da, 0x1973ebe6, 0x7d719eba, 0x19a52ceb, 0x7d679642, + 0x19d669fc, 0x7d5d7a74, 0x1a07a311, 0x7d534b50, 0x1a38d823, 0x7d4908d9, 0x1a6a0929, 0x7d3eb30f, + 0x1a9b361d, 0x7d3449f5, 0x1acc5ef6, 0x7d29cd8c, 0x1afd83ad, 0x7d1f3dd6, 0x1b2ea43a, 0x7d149ad5, + 0x1b5fc097, 0x7d09e489, 0x1b90d8bb, 0x7cff1af5, 0x1bc1ec9e, 0x7cf43e1a, 0x1bf2fc3a, 0x7ce94dfb, + 0x1c240786, 0x7cde4a98, 0x1c550e7c, 0x7cd333f3, 0x1c861113, 0x7cc80a0f, 0x1cb70f43, 0x7cbcccec, + 0x1ce80906, 0x7cb17c8d, 0x1d18fe54, 0x7ca618f3, 0x1d49ef26, 0x7c9aa221, 0x1d7adb73, 0x7c8f1817, + 0x1dabc334, 0x7c837ad8, 0x1ddca662, 0x7c77ca65, 0x1e0d84f5, 0x7c6c06c0, 0x1e3e5ee5, 0x7c602fec, + 0x1e6f342c, 0x7c5445e9, 0x1ea004c1, 0x7c4848ba, 0x1ed0d09d, 0x7c3c3860, 0x1f0197b8, 0x7c3014de, + 0x1f325a0b, 0x7c23de35, 0x1f63178f, 0x7c179467, 0x1f93d03c, 0x7c0b3777, 0x1fc4840a, 0x7bfec765, + 0x1ff532f2, 0x7bf24434, 0x2025dcec, 0x7be5ade6, 0x205681f1, 0x7bd9047c, 0x208721f9, 0x7bcc47fa, + 0x20b7bcfe, 0x7bbf7860, 0x20e852f6, 0x7bb295b0, 0x2118e3dc, 0x7ba59fee, 0x21496fa7, 0x7b989719, + 0x2179f64f, 0x7b8b7b36, 0x21aa77cf, 0x7b7e4c45, 0x21daf41d, 0x7b710a49, 0x220b6b32, 0x7b63b543, + 0x223bdd08, 0x7b564d36, 0x226c4996, 0x7b48d225, 0x229cb0d5, 0x7b3b4410, 0x22cd12bd, 0x7b2da2fa, + 0x22fd6f48, 0x7b1feee5, 0x232dc66d, 0x7b1227d3, 0x235e1826, 0x7b044dc7, 0x238e646a, 0x7af660c2, + 0x23beab33, 0x7ae860c7, 0x23eeec78, 0x7ada4dd8, 0x241f2833, 0x7acc27f7, 0x244f5e5c, 0x7abdef25, + 0x247f8eec, 0x7aafa367, 0x24afb9da, 0x7aa144bc, 0x24dfdf20, 0x7a92d329, 0x250ffeb7, 0x7a844eae, + 0x25401896, 0x7a75b74f, 0x25702cb7, 0x7a670d0d, 0x25a03b11, 0x7a584feb, 0x25d0439f, 0x7a497feb, + 0x26004657, 0x7a3a9d0f, 0x26304333, 0x7a2ba75a, 0x26603a2c, 0x7a1c9ece, 0x26902b39, 0x7a0d836d, + 0x26c01655, 0x79fe5539, 0x26effb76, 0x79ef1436, 0x271fda96, 0x79dfc064, 0x274fb3ae, 0x79d059c8, + 0x277f86b5, 0x79c0e062, 0x27af53a6, 0x79b15435, 0x27df1a77, 0x79a1b545, 0x280edb23, 0x79920392, + 0x283e95a1, 0x79823f20, 0x286e49ea, 0x797267f2, 0x289df7f8, 0x79627e08, 0x28cd9fc1, 0x79528167, + 0x28fd4140, 0x79427210, 0x292cdc6d, 0x79325006, 0x295c7140, 0x79221b4b, 0x298bffb2, 0x7911d3e2, + 0x29bb87bc, 0x790179cd, 0x29eb0957, 0x78f10d0f, 0x2a1a847b, 0x78e08dab, 0x2a49f920, 0x78cffba3, + 0x2a796740, 0x78bf56f9, 0x2aa8ced3, 0x78ae9fb0, 0x2ad82fd2, 0x789dd5cb, 0x2b078a36, 0x788cf94c, + 0x2b36ddf7, 0x787c0a36, 0x2b662b0e, 0x786b088c, 0x2b957173, 0x7859f44f, 0x2bc4b120, 0x7848cd83, + 0x2bf3ea0d, 0x7837942b, 0x2c231c33, 0x78264849, 0x2c52478a, 0x7814e9df, 0x2c816c0c, 0x780378f1, + 0x2cb089b1, 0x77f1f581, 0x2cdfa071, 0x77e05f91, 0x2d0eb046, 0x77ceb725, 0x2d3db928, 0x77bcfc3f, + 0x2d6cbb10, 0x77ab2ee2, 0x2d9bb5f6, 0x77994f11, 0x2dcaa9d5, 0x77875cce, 0x2df996a3, 0x7775581d, + 0x2e287c5a, 0x776340ff, 0x2e575af3, 0x77511778, 0x2e863267, 0x773edb8b, 0x2eb502ae, 0x772c8d3a, + 0x2ee3cbc1, 0x771a2c88, 0x2f128d99, 0x7707b979, 0x2f41482e, 0x76f5340e, 0x2f6ffb7a, 0x76e29c4b, + 0x2f9ea775, 0x76cff232, 0x2fcd4c19, 0x76bd35c7, 0x2ffbe95d, 0x76aa670d, 0x302a7f3a, 0x76978605, + 0x30590dab, 0x768492b4, 0x308794a6, 0x76718d1c, 0x30b61426, 0x765e7540, 0x30e48c22, 0x764b4b23, + 0x3112fc95, 0x76380ec8, 0x31416576, 0x7624c031, 0x316fc6be, 0x76115f63, 0x319e2067, 0x75fdec60, + 0x31cc7269, 0x75ea672a, 0x31fabcbd, 0x75d6cfc5, 0x3228ff5c, 0x75c32634, 0x32573a3f, 0x75af6a7b, + 0x32856d5e, 0x759b9c9b, 0x32b398b3, 0x7587bc98, 0x32e1bc36, 0x7573ca75, 0x330fd7e1, 0x755fc635, + 0x333debab, 0x754bafdc, 0x336bf78f, 0x7537876c, 0x3399fb85, 0x75234ce8, 0x33c7f785, 0x750f0054, + 0x33f5eb89, 0x74faa1b3, 0x3423d78a, 0x74e63108, 0x3451bb81, 0x74d1ae55, 0x347f9766, 0x74bd199f, + 0x34ad6b32, 0x74a872e8, 0x34db36df, 0x7493ba34, 0x3508fa66, 0x747eef85, 0x3536b5be, 0x746a12df, + 0x356468e2, 0x74552446, 0x359213c9, 0x744023bc, 0x35bfb66e, 0x742b1144, 0x35ed50c9, 0x7415ece2, + 0x361ae2d3, 0x7400b69a, 0x36486c86, 0x73eb6e6e, 0x3675edd9, 0x73d61461, 0x36a366c6, 0x73c0a878, + 0x36d0d746, 0x73ab2ab4, 0x36fe3f52, 0x73959b1b, 0x372b9ee3, 0x737ff9ae, 0x3758f5f2, 0x736a4671, + 0x37864477, 0x73548168, 0x37b38a6d, 0x733eaa96, 0x37e0c7cc, 0x7328c1ff, 0x380dfc8d, 0x7312c7a5, + 0x383b28a9, 0x72fcbb8c, 0x38684c19, 0x72e69db7, 0x389566d6, 0x72d06e2b, 0x38c278d9, 0x72ba2cea, + 0x38ef821c, 0x72a3d9f7, 0x391c8297, 0x728d7557, 0x39497a43, 0x7276ff0d, 0x39766919, 0x7260771b, + 0x39a34f13, 0x7249dd86, 0x39d02c2a, 0x72333251, 0x39fd0056, 0x721c7580, 0x3a29cb91, 0x7205a716, + 0x3a568dd4, 0x71eec716, 0x3a834717, 0x71d7d585, 0x3aaff755, 0x71c0d265, 0x3adc9e86, 0x71a9bdba, + 0x3b093ca3, 0x71929789, 0x3b35d1a5, 0x717b5fd3, 0x3b625d86, 0x7164169d, 0x3b8ee03e, 0x714cbbeb, + 0x3bbb59c7, 0x71354fc0, 0x3be7ca1a, 0x711dd220, 0x3c143130, 0x7106430e, 0x3c408f03, 0x70eea28e, + 0x3c6ce38a, 0x70d6f0a4, 0x3c992ec0, 0x70bf2d53, 0x3cc5709e, 0x70a7589f, 0x3cf1a91c, 0x708f728b, + 0x3d1dd835, 0x70777b1c, 0x3d49fde1, 0x705f7255, 0x3d761a19, 0x70475839, 0x3da22cd7, 0x702f2ccd, + 0x3dce3614, 0x7016f014, 0x3dfa35c8, 0x6ffea212, 0x3e262bee, 0x6fe642ca, 0x3e52187f, 0x6fcdd241, + 0x3e7dfb73, 0x6fb5507a, 0x3ea9d4c3, 0x6f9cbd79, 0x3ed5a46b, 0x6f841942, 0x3f016a61, 0x6f6b63d8, + 0x3f2d26a0, 0x6f529d40, 0x3f58d921, 0x6f39c57d, 0x3f8481dd, 0x6f20dc92, 0x3fb020ce, 0x6f07e285, + 0x3fdbb5ec, 0x6eeed758, 0x40074132, 0x6ed5bb10, 0x4032c297, 0x6ebc8db0, 0x405e3a16, 0x6ea34f3d, + 0x4089a7a8, 0x6e89ffb9, 0x40b50b46, 0x6e709f2a, 0x40e064ea, 0x6e572d93, 0x410bb48c, 0x6e3daaf8, + 0x4136fa27, 0x6e24175c, 0x416235b2, 0x6e0a72c5, 0x418d6729, 0x6df0bd35, 0x41b88e84, 0x6dd6f6b1, + 0x41e3abbc, 0x6dbd1f3c, 0x420ebecb, 0x6da336dc, 0x4239c7aa, 0x6d893d93, 0x4264c653, 0x6d6f3365, + 0x428fbabe, 0x6d551858, 0x42baa4e6, 0x6d3aec6e, 0x42e584c3, 0x6d20afac, 0x43105a50, 0x6d066215, + 0x433b2585, 0x6cec03af, 0x4365e65b, 0x6cd1947c, 0x43909ccd, 0x6cb71482, 0x43bb48d4, 0x6c9c83c3, + 0x43e5ea68, 0x6c81e245, 0x44108184, 0x6c67300b, 0x443b0e21, 0x6c4c6d1a, 0x44659039, 0x6c319975, + 0x449007c4, 0x6c16b521, 0x44ba74bd, 0x6bfbc021, 0x44e4d71c, 0x6be0ba7b, 0x450f2edb, 0x6bc5a431, + 0x45397bf4, 0x6baa7d49, 0x4563be60, 0x6b8f45c7, 0x458df619, 0x6b73fdae, 0x45b82318, 0x6b58a503, + 0x45e24556, 0x6b3d3bcb, 0x460c5cce, 0x6b21c208, 0x46366978, 0x6b0637c1, 0x46606b4e, 0x6aea9cf8, + 0x468a624a, 0x6acef1b2, 0x46b44e65, 0x6ab335f4, 0x46de2f99, 0x6a9769c1, 0x470805df, 0x6a7b8d1e, + 0x4731d131, 0x6a5fa010, 0x475b9188, 0x6a43a29a, 0x478546de, 0x6a2794c1, 0x47aef12c, 0x6a0b7689, + 0x47d8906d, 0x69ef47f6, 0x48022499, 0x69d3090e, 0x482badab, 0x69b6b9d3, 0x48552b9b, 0x699a5a4c, + 0x487e9e64, 0x697dea7b, 0x48a805ff, 0x69616a65, 0x48d16265, 0x6944da10, 0x48fab391, 0x6928397e, + 0x4923f97b, 0x690b88b5, 0x494d341e, 0x68eec7b9, 0x49766373, 0x68d1f68f, 0x499f8774, 0x68b5153a, + 0x49c8a01b, 0x689823bf, 0x49f1ad61, 0x687b2224, 0x4a1aaf3f, 0x685e106c, 0x4a43a5b0, 0x6840ee9b, + 0x4a6c90ad, 0x6823bcb7, 0x4a957030, 0x68067ac3, 0x4abe4433, 0x67e928c5, 0x4ae70caf, 0x67cbc6c0, + 0x4b0fc99d, 0x67ae54ba, 0x4b387af9, 0x6790d2b6, 0x4b6120bb, 0x677340ba, 0x4b89badd, 0x67559eca, + 0x4bb24958, 0x6737ecea, 0x4bdacc28, 0x671a2b20, 0x4c034345, 0x66fc596f, 0x4c2baea9, 0x66de77dc, + 0x4c540e4e, 0x66c0866d, 0x4c7c622d, 0x66a28524, 0x4ca4aa41, 0x66847408, 0x4ccce684, 0x6666531d, + 0x4cf516ee, 0x66482267, 0x4d1d3b7a, 0x6629e1ec, 0x4d455422, 0x660b91af, 0x4d6d60df, 0x65ed31b5, + 0x4d9561ac, 0x65cec204, 0x4dbd5682, 0x65b0429f, 0x4de53f5a, 0x6591b38c, 0x4e0d1c30, 0x657314cf, + 0x4e34ecfc, 0x6554666d, 0x4e5cb1b9, 0x6535a86b, 0x4e846a60, 0x6516dacd, 0x4eac16eb, 0x64f7fd98, + 0x4ed3b755, 0x64d910d1, 0x4efb4b96, 0x64ba147d, 0x4f22d3aa, 0x649b08a0, 0x4f4a4f89, 0x647bed3f, + 0x4f71bf2e, 0x645cc260, 0x4f992293, 0x643d8806, 0x4fc079b1, 0x641e3e38, 0x4fe7c483, 0x63fee4f8, + 0x500f0302, 0x63df7c4d, 0x50363529, 0x63c0043b, 0x505d5af1, 0x63a07cc7, 0x50847454, 0x6380e5f6, + 0x50ab814d, 0x63613fcd, 0x50d281d5, 0x63418a50, 0x50f975e6, 0x6321c585, 0x51205d7b, 0x6301f171, + 0x5147388c, 0x62e20e17, 0x516e0715, 0x62c21b7e, 0x5194c910, 0x62a219aa, 0x51bb7e75, 0x628208a1, + 0x51e22740, 0x6261e866, 0x5208c36a, 0x6241b8ff, 0x522f52ee, 0x62217a72, 0x5255d5c5, 0x62012cc2, + 0x527c4bea, 0x61e0cff5, 0x52a2b556, 0x61c06410, 0x52c91204, 0x619fe918, 0x52ef61ee, 0x617f5f12, + 0x5315a50e, 0x615ec603, 0x533bdb5d, 0x613e1df0, 0x536204d7, 0x611d66de, 0x53882175, 0x60fca0d2, + 0x53ae3131, 0x60dbcbd1, 0x53d43406, 0x60bae7e1, 0x53fa29ed, 0x6099f505, 0x542012e1, 0x6078f344, + 0x5445eedb, 0x6057e2a2, 0x546bbdd7, 0x6036c325, 0x54917fce, 0x601594d1, 0x54b734ba, 0x5ff457ad, + 0x54dcdc96, 0x5fd30bbc, 0x5502775c, 0x5fb1b104, 0x55280505, 0x5f90478a, 0x554d858d, 0x5f6ecf53, + 0x5572f8ed, 0x5f4d4865, 0x55985f20, 0x5f2bb2c5, 0x55bdb81f, 0x5f0a0e77, 0x55e303e6, 0x5ee85b82, + 0x5608426e, 0x5ec699e9, 0x562d73b2, 0x5ea4c9b3, 0x565297ab, 0x5e82eae5, 0x5677ae54, 0x5e60fd84, + 0x569cb7a8, 0x5e3f0194, 0x56c1b3a1, 0x5e1cf71c, 0x56e6a239, 0x5dfade20, 0x570b8369, 0x5dd8b6a7, + 0x5730572e, 0x5db680b4, 0x57551d80, 0x5d943c4e, 0x5779d65b, 0x5d71e979, 0x579e81b8, 0x5d4f883b, + 0x57c31f92, 0x5d2d189a, 0x57e7afe4, 0x5d0a9a9a, 0x580c32a7, 0x5ce80e41, 0x5830a7d6, 0x5cc57394, + 0x58550f6c, 0x5ca2ca99, 0x58796962, 0x5c801354, 0x589db5b3, 0x5c5d4dcc, 0x58c1f45b, 0x5c3a7a05, + 0x58e62552, 0x5c179806, 0x590a4893, 0x5bf4a7d2, 0x592e5e19, 0x5bd1a971, 0x595265df, 0x5bae9ce7, + 0x59765fde, 0x5b8b8239, 0x599a4c12, 0x5b68596d, 0x59be2a74, 0x5b452288, 0x59e1faff, 0x5b21dd90, + 0x5a05bdae, 0x5afe8a8b, 0x5a29727b, 0x5adb297d, 0x5a4d1960, 0x5ab7ba6c, 0x5a70b258, 0x5a943d5e, +}; + +const int kbdWindowOffset[NUM_IMDCT_SIZES] = {0, 128}; + +/* Synthesis window - KBD + * format = Q31 for nmdct = [128, 1024] + * reordered for sequential access + * + * aacScaleFact = -sqrt(1.0 / (2.0 * nmdct)); + * for (i = 0; i < nmdct/2; i++) { + * x = kbdWindowRef[i] * aacScaleFact; + * x = kbdWindowRef[nmdct - 1 - i] * aacScaleFact; + * } + * Note: see below for code to generate kbdWindowRef[] + */ +const int kbdWindow[128 + 1024] = { + /* 128 - format = Q31 * 2^0 */ + 0x00016f63, 0x7ffffffe, 0x0003e382, 0x7ffffff1, 0x00078f64, 0x7fffffc7, 0x000cc323, 0x7fffff5d, + 0x0013d9ed, 0x7ffffe76, 0x001d3a9d, 0x7ffffcaa, 0x0029581f, 0x7ffff953, 0x0038b1bd, 0x7ffff372, + 0x004bd34d, 0x7fffe98b, 0x00635538, 0x7fffd975, 0x007fdc64, 0x7fffc024, 0x00a219f1, 0x7fff995b, + 0x00cacad0, 0x7fff5f5b, 0x00fab72d, 0x7fff0a75, 0x0132b1af, 0x7ffe9091, 0x01739689, 0x7ffde49e, + 0x01be4a63, 0x7ffcf5ef, 0x0213b910, 0x7ffbaf84, 0x0274d41e, 0x7ff9f73a, 0x02e2913a, 0x7ff7acf1, + 0x035de86c, 0x7ff4a99a, 0x03e7d233, 0x7ff0be3d, 0x0481457c, 0x7febb2f1, 0x052b357c, 0x7fe545d4, + 0x05e68f77, 0x7fdd2a02, 0x06b4386f, 0x7fd30695, 0x07950acb, 0x7fc675b4, 0x0889d3ef, 0x7fb703be, + 0x099351e0, 0x7fa42e89, 0x0ab230e0, 0x7f8d64d8, 0x0be70923, 0x7f7205f8, 0x0d325c93, 0x7f516195, + 0x0e9494ae, 0x7f2ab7d0, 0x100e0085, 0x7efd3997, 0x119ed2ef, 0x7ec8094a, 0x134720d8, 0x7e8a3ba7, + 0x1506dfdc, 0x7e42d906, 0x16dde50b, 0x7df0dee4, 0x18cbe3f7, 0x7d9341b4, 0x1ad06e07, 0x7d28ef02, + 0x1ceaf215, 0x7cb0cfcc, 0x1f1abc4f, 0x7c29cb20, 0x215ef677, 0x7b92c8eb, 0x23b6a867, 0x7aeab4ec, + 0x2620b8ec, 0x7a3081d0, 0x289beef5, 0x79632c5a, 0x2b26f30b, 0x7881be95, 0x2dc0511f, 0x778b5304, + 0x30667aa2, 0x767f17c0, 0x3317c8dd, 0x755c5178, 0x35d27f98, 0x74225e50, 0x3894cff3, 0x72d0b887, + 0x3b5cdb7b, 0x7166f8e7, 0x3e28b770, 0x6fe4d8e8, 0x40f6702a, 0x6e4a3491, 0x43c40caa, 0x6c970bfc, + 0x468f9231, 0x6acb8483, 0x495707f5, 0x68e7e994, 0x4c187ac7, 0x66ecad1c, 0x4ed200c5, 0x64da6797, + 0x5181bcea, 0x62b1d7b7, 0x5425e28e, 0x6073e1ae, 0x56bcb8c2, 0x5e218e16, 0x59449d76, 0x5bbc0875, + /* 1024 - format = Q31 * 2^0 */ + 0x0009962f, 0x7fffffa4, 0x000e16fb, 0x7fffff39, 0x0011ea65, 0x7ffffebf, 0x0015750e, 0x7ffffe34, + 0x0018dc74, 0x7ffffd96, 0x001c332e, 0x7ffffce5, 0x001f83f5, 0x7ffffc1f, 0x0022d59a, 0x7ffffb43, + 0x00262cc2, 0x7ffffa4f, 0x00298cc4, 0x7ffff942, 0x002cf81f, 0x7ffff81a, 0x003070c4, 0x7ffff6d6, + 0x0033f840, 0x7ffff573, 0x00378fd9, 0x7ffff3f1, 0x003b38a1, 0x7ffff24d, 0x003ef381, 0x7ffff085, + 0x0042c147, 0x7fffee98, 0x0046a2a8, 0x7fffec83, 0x004a9847, 0x7fffea44, 0x004ea2b7, 0x7fffe7d8, + 0x0052c283, 0x7fffe53f, 0x0056f829, 0x7fffe274, 0x005b4422, 0x7fffdf76, 0x005fa6dd, 0x7fffdc43, + 0x006420c8, 0x7fffd8d6, 0x0068b249, 0x7fffd52f, 0x006d5bc4, 0x7fffd149, 0x00721d9a, 0x7fffcd22, + 0x0076f828, 0x7fffc8b6, 0x007bebca, 0x7fffc404, 0x0080f8d9, 0x7fffbf06, 0x00861fae, 0x7fffb9bb, + 0x008b609e, 0x7fffb41e, 0x0090bbff, 0x7fffae2c, 0x00963224, 0x7fffa7e1, 0x009bc362, 0x7fffa13a, + 0x00a17009, 0x7fff9a32, 0x00a7386c, 0x7fff92c5, 0x00ad1cdc, 0x7fff8af0, 0x00b31da8, 0x7fff82ad, + 0x00b93b21, 0x7fff79f9, 0x00bf7596, 0x7fff70cf, 0x00c5cd57, 0x7fff672a, 0x00cc42b1, 0x7fff5d05, + 0x00d2d5f3, 0x7fff525c, 0x00d9876c, 0x7fff4729, 0x00e05769, 0x7fff3b66, 0x00e74638, 0x7fff2f10, + 0x00ee5426, 0x7fff221f, 0x00f58182, 0x7fff148e, 0x00fcce97, 0x7fff0658, 0x01043bb3, 0x7ffef776, + 0x010bc923, 0x7ffee7e2, 0x01137733, 0x7ffed795, 0x011b4631, 0x7ffec68a, 0x01233669, 0x7ffeb4ba, + 0x012b4827, 0x7ffea21d, 0x01337bb8, 0x7ffe8eac, 0x013bd167, 0x7ffe7a61, 0x01444982, 0x7ffe6533, + 0x014ce454, 0x7ffe4f1c, 0x0155a229, 0x7ffe3813, 0x015e834d, 0x7ffe2011, 0x0167880c, 0x7ffe070d, + 0x0170b0b2, 0x7ffdecff, 0x0179fd8b, 0x7ffdd1df, 0x01836ee1, 0x7ffdb5a2, 0x018d0500, 0x7ffd9842, + 0x0196c035, 0x7ffd79b3, 0x01a0a0ca, 0x7ffd59ee, 0x01aaa70a, 0x7ffd38e8, 0x01b4d341, 0x7ffd1697, + 0x01bf25b9, 0x7ffcf2f2, 0x01c99ebd, 0x7ffccdee, 0x01d43e99, 0x7ffca780, 0x01df0597, 0x7ffc7f9e, + 0x01e9f401, 0x7ffc563d, 0x01f50a22, 0x7ffc2b51, 0x02004844, 0x7ffbfecf, 0x020baeb1, 0x7ffbd0ab, + 0x02173db4, 0x7ffba0da, 0x0222f596, 0x7ffb6f4f, 0x022ed6a1, 0x7ffb3bfd, 0x023ae11f, 0x7ffb06d8, + 0x02471558, 0x7ffacfd3, 0x02537397, 0x7ffa96e0, 0x025ffc25, 0x7ffa5bf2, 0x026caf4a, 0x7ffa1efc, + 0x02798d4f, 0x7ff9dfee, 0x0286967c, 0x7ff99ebb, 0x0293cb1b, 0x7ff95b55, 0x02a12b72, 0x7ff915ab, + 0x02aeb7cb, 0x7ff8cdaf, 0x02bc706d, 0x7ff88351, 0x02ca559f, 0x7ff83682, 0x02d867a9, 0x7ff7e731, + 0x02e6a6d2, 0x7ff7954e, 0x02f51361, 0x7ff740c8, 0x0303ad9c, 0x7ff6e98e, 0x031275ca, 0x7ff68f8f, + 0x03216c30, 0x7ff632ba, 0x03309116, 0x7ff5d2fb, 0x033fe4bf, 0x7ff57042, 0x034f6773, 0x7ff50a7a, + 0x035f1975, 0x7ff4a192, 0x036efb0a, 0x7ff43576, 0x037f0c78, 0x7ff3c612, 0x038f4e02, 0x7ff35353, + 0x039fbfeb, 0x7ff2dd24, 0x03b06279, 0x7ff26370, 0x03c135ed, 0x7ff1e623, 0x03d23a8b, 0x7ff16527, + 0x03e37095, 0x7ff0e067, 0x03f4d84e, 0x7ff057cc, 0x040671f7, 0x7fefcb40, 0x04183dd3, 0x7fef3aad, + 0x042a3c22, 0x7feea5fa, 0x043c6d25, 0x7fee0d11, 0x044ed11d, 0x7fed6fda, 0x04616849, 0x7fecce3d, + 0x047432eb, 0x7fec2821, 0x04873140, 0x7feb7d6c, 0x049a6388, 0x7feace07, 0x04adca01, 0x7fea19d6, + 0x04c164ea, 0x7fe960c0, 0x04d53481, 0x7fe8a2aa, 0x04e93902, 0x7fe7df79, 0x04fd72aa, 0x7fe71712, + 0x0511e1b6, 0x7fe6495a, 0x05268663, 0x7fe57634, 0x053b60eb, 0x7fe49d83, 0x05507189, 0x7fe3bf2b, + 0x0565b879, 0x7fe2db0f, 0x057b35f4, 0x7fe1f110, 0x0590ea35, 0x7fe10111, 0x05a6d574, 0x7fe00af3, + 0x05bcf7ea, 0x7fdf0e97, 0x05d351cf, 0x7fde0bdd, 0x05e9e35c, 0x7fdd02a6, 0x0600acc8, 0x7fdbf2d2, + 0x0617ae48, 0x7fdadc40, 0x062ee814, 0x7fd9becf, 0x06465a62, 0x7fd89a5e, 0x065e0565, 0x7fd76eca, + 0x0675e954, 0x7fd63bf1, 0x068e0662, 0x7fd501b0, 0x06a65cc3, 0x7fd3bfe4, 0x06beecaa, 0x7fd2766a, + 0x06d7b648, 0x7fd1251e, 0x06f0b9d1, 0x7fcfcbda, 0x0709f775, 0x7fce6a7a, 0x07236f65, 0x7fcd00d8, + 0x073d21d2, 0x7fcb8ecf, 0x07570eea, 0x7fca1439, 0x077136dd, 0x7fc890ed, 0x078b99da, 0x7fc704c7, + 0x07a6380d, 0x7fc56f9d, 0x07c111a4, 0x7fc3d147, 0x07dc26cc, 0x7fc2299e, 0x07f777b1, 0x7fc07878, + 0x0813047d, 0x7fbebdac, 0x082ecd5b, 0x7fbcf90f, 0x084ad276, 0x7fbb2a78, 0x086713f7, 0x7fb951bc, + 0x08839206, 0x7fb76eaf, 0x08a04ccb, 0x7fb58126, 0x08bd446e, 0x7fb388f4, 0x08da7915, 0x7fb185ee, + 0x08f7eae7, 0x7faf77e5, 0x09159a09, 0x7fad5ead, 0x0933869f, 0x7fab3a17, 0x0951b0cd, 0x7fa909f6, + 0x097018b7, 0x7fa6ce1a, 0x098ebe7f, 0x7fa48653, 0x09ada248, 0x7fa23273, 0x09ccc431, 0x7f9fd249, + 0x09ec245b, 0x7f9d65a4, 0x0a0bc2e7, 0x7f9aec53, 0x0a2b9ff3, 0x7f986625, 0x0a4bbb9e, 0x7f95d2e7, + 0x0a6c1604, 0x7f933267, 0x0a8caf43, 0x7f908472, 0x0aad8776, 0x7f8dc8d5, 0x0ace9eb9, 0x7f8aff5c, + 0x0aeff526, 0x7f8827d3, 0x0b118ad8, 0x7f854204, 0x0b335fe6, 0x7f824dbb, 0x0b557469, 0x7f7f4ac3, + 0x0b77c879, 0x7f7c38e4, 0x0b9a5c2b, 0x7f7917e9, 0x0bbd2f97, 0x7f75e79b, 0x0be042d0, 0x7f72a7c3, + 0x0c0395ec, 0x7f6f5828, 0x0c2728fd, 0x7f6bf892, 0x0c4afc16, 0x7f6888c9, 0x0c6f0f4a, 0x7f650894, + 0x0c9362a8, 0x7f6177b9, 0x0cb7f642, 0x7f5dd5ff, 0x0cdcca26, 0x7f5a232a, 0x0d01de63, 0x7f565f00, + 0x0d273307, 0x7f528947, 0x0d4cc81f, 0x7f4ea1c2, 0x0d729db7, 0x7f4aa835, 0x0d98b3da, 0x7f469c65, + 0x0dbf0a92, 0x7f427e13, 0x0de5a1e9, 0x7f3e4d04, 0x0e0c79e7, 0x7f3a08f9, 0x0e339295, 0x7f35b1b4, + 0x0e5aebfa, 0x7f3146f8, 0x0e82861a, 0x7f2cc884, 0x0eaa60fd, 0x7f28361b, 0x0ed27ca5, 0x7f238f7c, + 0x0efad917, 0x7f1ed467, 0x0f237656, 0x7f1a049d, 0x0f4c5462, 0x7f151fdc, 0x0f75733d, 0x7f1025e3, + 0x0f9ed2e6, 0x7f0b1672, 0x0fc8735e, 0x7f05f146, 0x0ff254a1, 0x7f00b61d, 0x101c76ae, 0x7efb64b4, + 0x1046d981, 0x7ef5fcca, 0x10717d15, 0x7ef07e19, 0x109c6165, 0x7eeae860, 0x10c7866a, 0x7ee53b5b, + 0x10f2ec1e, 0x7edf76c4, 0x111e9279, 0x7ed99a58, 0x114a7971, 0x7ed3a5d1, 0x1176a0fc, 0x7ecd98eb, + 0x11a30910, 0x7ec77360, 0x11cfb1a1, 0x7ec134eb, 0x11fc9aa2, 0x7ebadd44, 0x1229c406, 0x7eb46c27, + 0x12572dbf, 0x7eade14c, 0x1284d7bc, 0x7ea73c6c, 0x12b2c1ed, 0x7ea07d41, 0x12e0ec42, 0x7e99a382, + 0x130f56a8, 0x7e92aee7, 0x133e010b, 0x7e8b9f2a, 0x136ceb59, 0x7e847402, 0x139c157b, 0x7e7d2d25, + 0x13cb7f5d, 0x7e75ca4c, 0x13fb28e6, 0x7e6e4b2d, 0x142b1200, 0x7e66af7f, 0x145b3a92, 0x7e5ef6f8, + 0x148ba281, 0x7e572150, 0x14bc49b4, 0x7e4f2e3b, 0x14ed300f, 0x7e471d70, 0x151e5575, 0x7e3eeea5, + 0x154fb9c9, 0x7e36a18e, 0x15815ced, 0x7e2e35e2, 0x15b33ec1, 0x7e25ab56, 0x15e55f25, 0x7e1d019e, + 0x1617bdf9, 0x7e14386e, 0x164a5b19, 0x7e0b4f7d, 0x167d3662, 0x7e02467e, 0x16b04fb2, 0x7df91d25, + 0x16e3a6e2, 0x7defd327, 0x17173bce, 0x7de66837, 0x174b0e4d, 0x7ddcdc0a, 0x177f1e39, 0x7dd32e53, + 0x17b36b69, 0x7dc95ec6, 0x17e7f5b3, 0x7dbf6d17, 0x181cbcec, 0x7db558f9, 0x1851c0e9, 0x7dab221f, + 0x1887017d, 0x7da0c83c, 0x18bc7e7c, 0x7d964b05, 0x18f237b6, 0x7d8baa2b, 0x19282cfd, 0x7d80e563, + 0x195e5e20, 0x7d75fc5e, 0x1994caee, 0x7d6aeed0, 0x19cb7335, 0x7d5fbc6d, 0x1a0256c2, 0x7d5464e6, + 0x1a397561, 0x7d48e7ef, 0x1a70cede, 0x7d3d453b, 0x1aa86301, 0x7d317c7c, 0x1ae03195, 0x7d258d65, + 0x1b183a63, 0x7d1977aa, 0x1b507d30, 0x7d0d3afc, 0x1b88f9c5, 0x7d00d710, 0x1bc1afe6, 0x7cf44b97, + 0x1bfa9f58, 0x7ce79846, 0x1c33c7e0, 0x7cdabcce, 0x1c6d293f, 0x7ccdb8e4, 0x1ca6c337, 0x7cc08c39, + 0x1ce0958a, 0x7cb33682, 0x1d1a9ff8, 0x7ca5b772, 0x1d54e240, 0x7c980ebd, 0x1d8f5c21, 0x7c8a3c14, + 0x1dca0d56, 0x7c7c3f2e, 0x1e04f59f, 0x7c6e17bc, 0x1e4014b4, 0x7c5fc573, 0x1e7b6a53, 0x7c514807, + 0x1eb6f633, 0x7c429f2c, 0x1ef2b80f, 0x7c33ca96, 0x1f2eaf9e, 0x7c24c9fa, 0x1f6adc98, 0x7c159d0d, + 0x1fa73eb2, 0x7c064383, 0x1fe3d5a3, 0x7bf6bd11, 0x2020a11e, 0x7be7096c, 0x205da0d8, 0x7bd7284a, + 0x209ad483, 0x7bc71960, 0x20d83bd1, 0x7bb6dc65, 0x2115d674, 0x7ba6710d, 0x2153a41b, 0x7b95d710, + 0x2191a476, 0x7b850e24, 0x21cfd734, 0x7b7415ff, 0x220e3c02, 0x7b62ee59, 0x224cd28d, 0x7b5196e9, + 0x228b9a82, 0x7b400f67, 0x22ca938a, 0x7b2e578a, 0x2309bd52, 0x7b1c6f0b, 0x23491783, 0x7b0a55a1, + 0x2388a1c4, 0x7af80b07, 0x23c85bbf, 0x7ae58ef5, 0x2408451a, 0x7ad2e124, 0x24485d7c, 0x7ac0014e, + 0x2488a48a, 0x7aacef2e, 0x24c919e9, 0x7a99aa7e, 0x2509bd3d, 0x7a8632f8, 0x254a8e29, 0x7a728858, + 0x258b8c50, 0x7a5eaa5a, 0x25ccb753, 0x7a4a98b9, 0x260e0ed3, 0x7a365333, 0x264f9271, 0x7a21d983, + 0x269141cb, 0x7a0d2b68, 0x26d31c80, 0x79f8489e, 0x2715222f, 0x79e330e4, 0x27575273, 0x79cde3f8, + 0x2799acea, 0x79b8619a, 0x27dc3130, 0x79a2a989, 0x281ededf, 0x798cbb85, 0x2861b591, 0x7976974e, + 0x28a4b4e0, 0x79603ca5, 0x28e7dc65, 0x7949ab4c, 0x292b2bb8, 0x7932e304, 0x296ea270, 0x791be390, + 0x29b24024, 0x7904acb3, 0x29f6046b, 0x78ed3e30, 0x2a39eed8, 0x78d597cc, 0x2a7dff02, 0x78bdb94a, + 0x2ac2347c, 0x78a5a270, 0x2b068eda, 0x788d5304, 0x2b4b0dae, 0x7874cacb, 0x2b8fb08a, 0x785c098d, + 0x2bd47700, 0x78430f11, 0x2c1960a1, 0x7829db1f, 0x2c5e6cfd, 0x78106d7f, 0x2ca39ba3, 0x77f6c5fb, + 0x2ce8ec23, 0x77dce45c, 0x2d2e5e0b, 0x77c2c86e, 0x2d73f0e8, 0x77a871fa, 0x2db9a449, 0x778de0cd, + 0x2dff77b8, 0x777314b2, 0x2e456ac4, 0x77580d78, 0x2e8b7cf6, 0x773ccaeb, 0x2ed1addb, 0x77214cdb, + 0x2f17fcfb, 0x77059315, 0x2f5e69e2, 0x76e99d69, 0x2fa4f419, 0x76cd6ba9, 0x2feb9b27, 0x76b0fda4, + 0x30325e96, 0x7694532e, 0x30793dee, 0x76776c17, 0x30c038b5, 0x765a4834, 0x31074e72, 0x763ce759, + 0x314e7eab, 0x761f4959, 0x3195c8e6, 0x76016e0b, 0x31dd2ca9, 0x75e35545, 0x3224a979, 0x75c4fedc, + 0x326c3ed8, 0x75a66aab, 0x32b3ec4d, 0x75879887, 0x32fbb159, 0x7568884b, 0x33438d81, 0x754939d1, + 0x338b8045, 0x7529acf4, 0x33d3892a, 0x7509e18e, 0x341ba7b1, 0x74e9d77d, 0x3463db5a, 0x74c98e9e, + 0x34ac23a7, 0x74a906cd, 0x34f48019, 0x74883fec, 0x353cf02f, 0x746739d8, 0x3585736a, 0x7445f472, + 0x35ce0949, 0x74246f9c, 0x3616b14c, 0x7402ab37, 0x365f6af0, 0x73e0a727, 0x36a835b5, 0x73be6350, + 0x36f11118, 0x739bdf95, 0x3739fc98, 0x73791bdd, 0x3782f7b2, 0x7356180e, 0x37cc01e3, 0x7332d410, + 0x38151aa8, 0x730f4fc9, 0x385e417e, 0x72eb8b24, 0x38a775e1, 0x72c7860a, 0x38f0b74d, 0x72a34066, + 0x393a053e, 0x727eba24, 0x39835f30, 0x7259f331, 0x39ccc49e, 0x7234eb79, 0x3a163503, 0x720fa2eb, + 0x3a5fafda, 0x71ea1977, 0x3aa9349e, 0x71c44f0c, 0x3af2c2ca, 0x719e439d, 0x3b3c59d7, 0x7177f71a, + 0x3b85f940, 0x71516978, 0x3bcfa07e, 0x712a9aaa, 0x3c194f0d, 0x71038aa4, 0x3c630464, 0x70dc395e, + 0x3cacbfff, 0x70b4a6cd, 0x3cf68155, 0x708cd2e9, 0x3d4047e1, 0x7064bdab, 0x3d8a131c, 0x703c670d, + 0x3dd3e27e, 0x7013cf0a, 0x3e1db580, 0x6feaf59c, 0x3e678b9b, 0x6fc1dac1, 0x3eb16449, 0x6f987e76, + 0x3efb3f01, 0x6f6ee0b9, 0x3f451b3d, 0x6f45018b, 0x3f8ef874, 0x6f1ae0eb, 0x3fd8d620, 0x6ef07edb, + 0x4022b3b9, 0x6ec5db5d, 0x406c90b7, 0x6e9af675, 0x40b66c93, 0x6e6fd027, 0x410046c5, 0x6e446879, + 0x414a1ec6, 0x6e18bf71, 0x4193f40d, 0x6decd517, 0x41ddc615, 0x6dc0a972, 0x42279455, 0x6d943c8d, + 0x42715e45, 0x6d678e71, 0x42bb235f, 0x6d3a9f2a, 0x4304e31a, 0x6d0d6ec5, 0x434e9cf1, 0x6cdffd4f, + 0x4398505b, 0x6cb24ad6, 0x43e1fcd1, 0x6c84576b, 0x442ba1cd, 0x6c56231c, 0x44753ec7, 0x6c27adfd, + 0x44bed33a, 0x6bf8f81e, 0x45085e9d, 0x6bca0195, 0x4551e06b, 0x6b9aca75, 0x459b581e, 0x6b6b52d5, + 0x45e4c52f, 0x6b3b9ac9, 0x462e2717, 0x6b0ba26b, 0x46777d52, 0x6adb69d3, 0x46c0c75a, 0x6aaaf11b, + 0x470a04a9, 0x6a7a385c, 0x475334b9, 0x6a493fb3, 0x479c5707, 0x6a18073d, 0x47e56b0c, 0x69e68f17, + 0x482e7045, 0x69b4d761, 0x4877662c, 0x6982e039, 0x48c04c3f, 0x6950a9c0, 0x490921f8, 0x691e341a, + 0x4951e6d5, 0x68eb7f67, 0x499a9a51, 0x68b88bcd, 0x49e33beb, 0x68855970, 0x4a2bcb1f, 0x6851e875, + 0x4a74476b, 0x681e3905, 0x4abcb04c, 0x67ea4b47, 0x4b050541, 0x67b61f63, 0x4b4d45c9, 0x6781b585, + 0x4b957162, 0x674d0dd6, 0x4bdd878c, 0x67182883, 0x4c2587c6, 0x66e305b8, 0x4c6d7190, 0x66ada5a5, + 0x4cb5446a, 0x66780878, 0x4cfcffd5, 0x66422e60, 0x4d44a353, 0x660c1790, 0x4d8c2e64, 0x65d5c439, + 0x4dd3a08c, 0x659f348e, 0x4e1af94b, 0x656868c3, 0x4e623825, 0x6531610d, 0x4ea95c9d, 0x64fa1da3, + 0x4ef06637, 0x64c29ebb, 0x4f375477, 0x648ae48d, 0x4f7e26e1, 0x6452ef53, 0x4fc4dcfb, 0x641abf46, + 0x500b7649, 0x63e254a2, 0x5051f253, 0x63a9afa2, 0x5098509f, 0x6370d083, 0x50de90b3, 0x6337b784, + 0x5124b218, 0x62fe64e3, 0x516ab455, 0x62c4d8e0, 0x51b096f3, 0x628b13bc, 0x51f6597b, 0x625115b8, + 0x523bfb78, 0x6216df18, 0x52817c72, 0x61dc701f, 0x52c6dbf5, 0x61a1c912, 0x530c198d, 0x6166ea36, + 0x535134c5, 0x612bd3d2, 0x53962d2a, 0x60f0862d, 0x53db024a, 0x60b50190, 0x541fb3b1, 0x60794644, + 0x546440ef, 0x603d5494, 0x54a8a992, 0x60012cca, 0x54eced2b, 0x5fc4cf33, 0x55310b48, 0x5f883c1c, + 0x5575037c, 0x5f4b73d2, 0x55b8d558, 0x5f0e76a5, 0x55fc806f, 0x5ed144e5, 0x56400452, 0x5e93dee1, + 0x56836096, 0x5e5644ec, 0x56c694cf, 0x5e187757, 0x5709a092, 0x5dda7677, 0x574c8374, 0x5d9c429f, + 0x578f3d0d, 0x5d5ddc24, 0x57d1ccf2, 0x5d1f435d, 0x581432bd, 0x5ce078a0, 0x58566e04, 0x5ca17c45, + 0x58987e63, 0x5c624ea4, 0x58da6372, 0x5c22f016, 0x591c1ccc, 0x5be360f6, 0x595daa0d, 0x5ba3a19f, + 0x599f0ad1, 0x5b63b26c, 0x59e03eb6, 0x5b2393ba, 0x5a214558, 0x5ae345e7, 0x5a621e56, 0x5aa2c951, +}; + + + +/* bit reverse tables for FFT */ + +const int bitrevtabOffset[NUM_IMDCT_SIZES] = {0, 17}; + +const unsigned char bitrevtab[17 + 129] = { + /* nfft = 64 */ + 0x01, 0x08, 0x02, 0x04, 0x03, 0x0c, 0x05, 0x0a, 0x07, 0x0e, 0x0b, 0x0d, 0x00, 0x06, 0x09, 0x0f, + 0x00, + + /* nfft = 512 */ + 0x01, 0x40, 0x02, 0x20, 0x03, 0x60, 0x04, 0x10, 0x05, 0x50, 0x06, 0x30, 0x07, 0x70, 0x09, 0x48, + 0x0a, 0x28, 0x0b, 0x68, 0x0c, 0x18, 0x0d, 0x58, 0x0e, 0x38, 0x0f, 0x78, 0x11, 0x44, 0x12, 0x24, + 0x13, 0x64, 0x15, 0x54, 0x16, 0x34, 0x17, 0x74, 0x19, 0x4c, 0x1a, 0x2c, 0x1b, 0x6c, 0x1d, 0x5c, + 0x1e, 0x3c, 0x1f, 0x7c, 0x21, 0x42, 0x23, 0x62, 0x25, 0x52, 0x26, 0x32, 0x27, 0x72, 0x29, 0x4a, + 0x2b, 0x6a, 0x2d, 0x5a, 0x2e, 0x3a, 0x2f, 0x7a, 0x31, 0x46, 0x33, 0x66, 0x35, 0x56, 0x37, 0x76, + 0x39, 0x4e, 0x3b, 0x6e, 0x3d, 0x5e, 0x3f, 0x7e, 0x43, 0x61, 0x45, 0x51, 0x47, 0x71, 0x4b, 0x69, + 0x4d, 0x59, 0x4f, 0x79, 0x53, 0x65, 0x57, 0x75, 0x5b, 0x6d, 0x5f, 0x7d, 0x67, 0x73, 0x6f, 0x7b, + 0x00, 0x08, 0x14, 0x1c, 0x22, 0x2a, 0x36, 0x3e, 0x41, 0x49, 0x55, 0x5d, 0x63, 0x6b, 0x77, 0x7f, + 0x00, + +}; + +const unsigned char uniqueIDTab[8] = {0x5f, 0x4b, 0x43, 0x5f, 0x5f, 0x4a, 0x52, 0x5f}; + +/* Twiddle tables for FFT + * format = Q30 + * + * for (k = 4; k <= N/4; k <<= 1) { + * for (j = 0; j < k; j++) { + * double wr1, wi1, wr2, wi2, wr3, wi3; + * + * wr1 = cos(1.0 * M_PI * j / (2*k)); + * wi1 = sin(1.0 * M_PI * j / (2*k)); + * wr1 = (wr1 + wi1); + * wi1 = -wi1; + * + * wr2 = cos(2.0 * M_PI * j / (2*k)); + * wi2 = sin(2.0 * M_PI * j / (2*k)); + * wr2 = (wr2 + wi2); + * wi2 = -wi2; + * + * wr3 = cos(3.0 * M_PI * j / (2*k)); + * wi3 = sin(3.0 * M_PI * j / (2*k)); + * wr3 = (wr3 + wi3); + * wi3 = -wi3; + * + * if (k & 0xaaaaaaaa) { + * w_odd[iodd++] = (float)wr2; + * w_odd[iodd++] = (float)wi2; + * w_odd[iodd++] = (float)wr1; + * w_odd[iodd++] = (float)wi1; + * w_odd[iodd++] = (float)wr3; + * w_odd[iodd++] = (float)wi3; + * } else { + * w_even[ieven++] = (float)wr2; + * w_even[ieven++] = (float)wi2; + * w_even[ieven++] = (float)wr1; + * w_even[ieven++] = (float)wi1; + * w_even[ieven++] = (float)wr3; + * w_even[ieven++] = (float)wi3; + * } + * } + * } + */ +const int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6] = { + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x539eba45, 0xe7821d59, + 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, + 0x539eba45, 0xc4df2862, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x22a2f4f8, 0xc4df2862, + 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, + 0xac6145bb, 0x187de2a7, 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x45f704f7, 0xf9ba1651, + 0x43103085, 0xfcdc1342, 0x48b2b335, 0xf69bf7c9, 0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, + 0x4fd288dc, 0xed6bf9d1, 0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, 0x553805f2, 0xe4a2eff6, + 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x569cc31b, 0xe1d4a2c8, + 0x4da1fab5, 0xf0730342, 0x5a6690ae, 0xd5052d97, 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, + 0x5a12e720, 0xce86ff2a, 0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, 0x57cc15bc, 0xc91af976, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a12e720, 0xce86ff2a, + 0x553805f2, 0xe4a2eff6, 0x4da1fab5, 0xc1eb0209, 0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, + 0x45f704f7, 0xc04ee4b8, 0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, 0x3cc85709, 0xc013bc39, + 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x4fd288dc, 0xc2c17d52, + 0x5987b08a, 0xd9e01006, 0x26b2a794, 0xc3bdbdf6, 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, + 0x1a4608ab, 0xc78e9a1d, 0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, 0x0d47d096, 0xcc983f70, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x396b3199, 0xc04ee4b8, + 0x5a6690ae, 0xd09441bb, 0xf2b82f6a, 0xd9e01006, 0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, + 0xe5b9f755, 0xe1d4a2c8, 0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, 0xd94d586c, 0xea70658a, + 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x1a4608ab, 0xc78e9a1d, + 0x57cc15bc, 0xc91af976, 0xc337a8f7, 0xfcdc1342, 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, + 0xba08fb09, 0x0645e9af, 0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, 0xb25e054b, 0x0f8cfcbe, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xf720e574, 0xd76619b6, + 0x51d1dc80, 0xc3bdbdf6, 0xa833ea44, 0x20e70f32, 0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, + 0xa5ed18e0, 0x2899e64a, 0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, 0xa5996f52, 0x2f6bbe45, + 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 0xd5558381, 0xed6bf9d1, + 0x48b2b335, 0xc0b15502, 0xaac7fa0e, 0x39daf5e8, 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, + 0xb02d7724, 0x3d3e82ae, 0xc694ce67, 0xf9ba1651, 0x43103085, 0xc013bc39, 0xb74d4ccb, 0x3f4eaafe, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x418d2621, 0xfe6deaa1, + 0x40c7d2bd, 0xff36f170, 0x424ff28f, 0xfda4f351, 0x43103085, 0xfcdc1342, 0x418d2621, 0xfe6deaa1, + 0x4488e37f, 0xfb4ab7db, 0x4488e37f, 0xfb4ab7db, 0x424ff28f, 0xfda4f351, 0x46aa0d6d, 0xf8f21e8e, + 0x45f704f7, 0xf9ba1651, 0x43103085, 0xfcdc1342, 0x48b2b335, 0xf69bf7c9, 0x475a5c77, 0xf82a6c6a, + 0x43cdd89a, 0xfc135231, 0x4aa22036, 0xf4491311, 0x48b2b335, 0xf69bf7c9, 0x4488e37f, 0xfb4ab7db, + 0x4c77a88e, 0xf1fa3ecb, 0x49ffd417, 0xf50ef5de, 0x454149fc, 0xfa824bfd, 0x4e32a956, 0xefb047f2, + 0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, 0x4fd288dc, 0xed6bf9d1, 0x4c77a88e, 0xf1fa3ecb, + 0x46aa0d6d, 0xf8f21e8e, 0x5156b6d9, 0xeb2e1dbe, 0x4da1fab5, 0xf0730342, 0x475a5c77, 0xf82a6c6a, + 0x52beac9f, 0xe8f77acf, 0x4ec05432, 0xeeee2d9d, 0x4807eb4b, 0xf7630799, 0x5409ed4b, 0xe6c8d59c, + 0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, 0x553805f2, 0xe4a2eff6, 0x50d86e6d, 0xebeca36c, + 0x495aada2, 0xf5d544a7, 0x56488dc5, 0xe28688a4, 0x51d1dc80, 0xea70658a, 0x49ffd417, 0xf50ef5de, + 0x573b2635, 0xe0745b24, 0x52beac9f, 0xe8f77acf, 0x4aa22036, 0xf4491311, 0x580f7b19, 0xde6d1f65, + 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x5471e2e6, 0xe61086bc, + 0x4bde1089, 0xf2beafed, 0x595c3e2a, 0xda8249b4, 0x553805f2, 0xe4a2eff6, 0x4c77a88e, 0xf1fa3ecb, + 0x59d438e5, 0xd8a00bae, 0x55f104dc, 0xe3399167, 0x4d0e4de2, 0xf136580d, 0x5a2d0957, 0xd6cb76c9, + 0x569cc31b, 0xe1d4a2c8, 0x4da1fab5, 0xf0730342, 0x5a6690ae, 0xd5052d97, 0x573b2635, 0xe0745b24, + 0x4e32a956, 0xefb047f2, 0x5a80baf6, 0xd34dcdb4, 0x57cc15bc, 0xdf18f0ce, 0x4ec05432, 0xeeee2d9d, + 0x5a7b7f1a, 0xd1a5ef90, 0x584f7b58, 0xddc29958, 0x4f4af5d1, 0xee2cbbc1, 0x5a56deec, 0xd00e2639, + 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 0x5a12e720, 0xce86ff2a, 0x592d59da, 0xdb25f566, + 0x50570819, 0xecabef3d, 0x59afaf4c, 0xcd110216, 0x5987b08a, 0xd9e01006, 0x50d86e6d, 0xebeca36c, + 0x592d59da, 0xcbacb0bf, 0x59d438e5, 0xd8a00bae, 0x5156b6d9, 0xeb2e1dbe, 0x588c1404, 0xca5a86c4, + 0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, 0x57cc15bc, 0xc91af976, 0x5a43b190, 0xd6326a88, + 0x5249daa2, 0xe9b38223, 0x56eda1a0, 0xc7ee77b3, 0x5a6690ae, 0xd5052d97, 0x52beac9f, 0xe8f77acf, + 0x55f104dc, 0xc6d569be, 0x5a7b7f1a, 0xd3de9156, 0x53304df6, 0xe83c56cf, 0x54d69714, 0xc5d03118, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a7b7f1a, 0xd1a5ef90, + 0x5409ed4b, 0xe6c8d59c, 0x5249daa2, 0xc402a33c, 0x5a6690ae, 0xd09441bb, 0x5471e2e6, 0xe61086bc, + 0x50d86e6d, 0xc33aee27, 0x5a43b190, 0xcf89e3e8, 0x54d69714, 0xe55937d5, 0x4f4af5d1, 0xc2884e6e, + 0x5a12e720, 0xce86ff2a, 0x553805f2, 0xe4a2eff6, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xcd8bbb6d, + 0x55962bc0, 0xe3edb628, 0x4bde1089, 0xc1633f8a, 0x5987b08a, 0xcc983f70, 0x55f104dc, 0xe3399167, + 0x49ffd417, 0xc0f1360b, 0x592d59da, 0xcbacb0bf, 0x56488dc5, 0xe28688a4, 0x4807eb4b, 0xc0950d1d, + 0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, 0x45f704f7, 0xc04ee4b8, 0x584f7b58, 0xc9edeb50, + 0x56eda1a0, 0xe123e6ad, 0x43cdd89a, 0xc01ed535, 0x57cc15bc, 0xc91af976, 0x573b2635, 0xe0745b24, + 0x418d2621, 0xc004ef3f, 0x573b2635, 0xc8507ea7, 0x57854ddd, 0xdfc606f1, 0x3f35b59d, 0xc0013bd3, + 0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, 0x3cc85709, 0xc013bc39, 0x55f104dc, 0xc6d569be, + 0x580f7b19, 0xde6d1f65, 0x3a45e1f7, 0xc03c6a07, 0x553805f2, 0xc6250a18, 0x584f7b58, 0xddc29958, + 0x37af354c, 0xc07b371e, 0x5471e2e6, 0xc57d965d, 0x588c1404, 0xdd196538, 0x350536f1, 0xc0d00db6, + 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x52beac9f, 0xc449d892, + 0x58fb0568, 0xdbcb0cce, 0x2f7afdfc, 0xc1bb5a11, 0x51d1dc80, 0xc3bdbdf6, 0x592d59da, 0xdb25f566, + 0x2c9caf6c, 0xc2517e31, 0x50d86e6d, 0xc33aee27, 0x595c3e2a, 0xda8249b4, 0x29aee694, 0xc2fd08a9, + 0x4fd288dc, 0xc2c17d52, 0x5987b08a, 0xd9e01006, 0x26b2a794, 0xc3bdbdf6, 0x4ec05432, 0xc2517e31, + 0x59afaf4c, 0xd93f4e9e, 0x23a8fb93, 0xc4935b3c, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xd8a00bae, + 0x2092f05f, 0xc57d965d, 0x4c77a88e, 0xc18e18a7, 0x59f54bee, 0xd8024d59, 0x1d719810, 0xc67c1e18, + 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 0x1a4608ab, 0xc78e9a1d, 0x49ffd417, 0xc0f1360b, + 0x5a2d0957, 0xd6cb76c9, 0x17115bc0, 0xc8b4ab32, 0x48b2b335, 0xc0b15502, 0x5a43b190, 0xd6326a88, + 0x13d4ae08, 0xc9edeb50, 0x475a5c77, 0xc07b371e, 0x5a56deec, 0xd59afadb, 0x10911f04, 0xcb39edca, + 0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, 0x0d47d096, 0xcc983f70, 0x4488e37f, 0xc02c64a6, + 0x5a72c63b, 0xd4710883, 0x09f9e6a1, 0xce0866b8, 0x43103085, 0xc013bc39, 0x5a7b7f1a, 0xd3de9156, + 0x06a886a0, 0xcf89e3e8, 0x418d2621, 0xc004ef3f, 0x5a80baf6, 0xd34dcdb4, 0x0354d741, 0xd11c3142, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x3e68fb62, 0xc004ef3f, + 0x5a80baf6, 0xd2317756, 0xfcab28bf, 0xd4710883, 0x3cc85709, 0xc013bc39, 0x5a7b7f1a, 0xd1a5ef90, + 0xf9577960, 0xd6326a88, 0x3b1e5335, 0xc02c64a6, 0x5a72c63b, 0xd11c3142, 0xf606195f, 0xd8024d59, + 0x396b3199, 0xc04ee4b8, 0x5a6690ae, 0xd09441bb, 0xf2b82f6a, 0xd9e01006, 0x37af354c, 0xc07b371e, + 0x5a56deec, 0xd00e2639, 0xef6ee0fc, 0xdbcb0cce, 0x35eaa2c7, 0xc0b15502, 0x5a43b190, 0xcf89e3e8, + 0xec2b51f8, 0xddc29958, 0x341dbfd3, 0xc0f1360b, 0x5a2d0957, 0xcf077fe1, 0xe8eea440, 0xdfc606f1, + 0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, 0xe5b9f755, 0xe1d4a2c8, 0x306c2624, 0xc18e18a7, + 0x59f54bee, 0xce0866b8, 0xe28e67f0, 0xe3edb628, 0x2e88013a, 0xc1eb0209, 0x59d438e5, 0xcd8bbb6d, + 0xdf6d0fa1, 0xe61086bc, 0x2c9caf6c, 0xc2517e31, 0x59afaf4c, 0xcd110216, 0xdc57046d, 0xe83c56cf, + 0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, 0xd94d586c, 0xea70658a, 0x28b1b544, 0xc33aee27, + 0x595c3e2a, 0xcc217822, 0xd651196c, 0xecabef3d, 0x26b2a794, 0xc3bdbdf6, 0x592d59da, 0xcbacb0bf, + 0xd3635094, 0xeeee2d9d, 0x24ada23d, 0xc449d892, 0x58fb0568, 0xcb39edca, 0xd0850204, 0xf136580d, + 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x2092f05f, 0xc57d965d, + 0x588c1404, 0xca5a86c4, 0xcafac90f, 0xf5d544a7, 0x1e7de5df, 0xc6250a18, 0x584f7b58, 0xc9edeb50, + 0xc850cab4, 0xf82a6c6a, 0x1c6427a9, 0xc6d569be, 0x580f7b19, 0xc9836582, 0xc5ba1e09, 0xfa824bfd, + 0x1a4608ab, 0xc78e9a1d, 0x57cc15bc, 0xc91af976, 0xc337a8f7, 0xfcdc1342, 0x1823dc7d, 0xc8507ea7, + 0x57854ddd, 0xc8b4ab32, 0xc0ca4a63, 0xff36f170, 0x15fdf758, 0xc91af976, 0x573b2635, 0xc8507ea7, + 0xbe72d9df, 0x0192155f, 0x13d4ae08, 0xc9edeb50, 0x56eda1a0, 0xc7ee77b3, 0xbc322766, 0x03ecadcf, + 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 0xba08fb09, 0x0645e9af, 0x0f7944a7, 0xcbacb0bf, + 0x56488dc5, 0xc730e997, 0xb7f814b5, 0x089cf867, 0x0d47d096, 0xcc983f70, 0x55f104dc, 0xc6d569be, + 0xb6002be9, 0x0af10a22, 0x0b145041, 0xcd8bbb6d, 0x55962bc0, 0xc67c1e18, 0xb421ef77, 0x0d415013, + 0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, 0xb25e054b, 0x0f8cfcbe, 0x06a886a0, 0xcf89e3e8, + 0x54d69714, 0xc5d03118, 0xb0b50a2f, 0x11d3443f, 0x0470ebdc, 0xd09441bb, 0x5471e2e6, 0xc57d965d, + 0xaf279193, 0x14135c94, 0x0238a1c6, 0xd1a5ef90, 0x5409ed4b, 0xc52d3d18, 0xadb6255e, 0x164c7ddd, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xfdc75e3a, 0xd3de9156, + 0x53304df6, 0xc4935b3c, 0xab2968ec, 0x1aa6c82b, 0xfb8f1424, 0xd5052d97, 0x52beac9f, 0xc449d892, + 0xaa0efb24, 0x1cc66e99, 0xf9577960, 0xd6326a88, 0x5249daa2, 0xc402a33c, 0xa9125e60, 0x1edc1953, + 0xf720e574, 0xd76619b6, 0x51d1dc80, 0xc3bdbdf6, 0xa833ea44, 0x20e70f32, 0xf4ebafbf, 0xd8a00bae, + 0x5156b6d9, 0xc37b2b6a, 0xa773ebfc, 0x22e69ac8, 0xf2b82f6a, 0xd9e01006, 0x50d86e6d, 0xc33aee27, + 0xa6d2a626, 0x24da0a9a, 0xf086bb59, 0xdb25f566, 0x50570819, 0xc2fd08a9, 0xa65050b4, 0x26c0b162, + 0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, 0xa5ed18e0, 0x2899e64a, 0xec2b51f8, 0xddc29958, + 0x4f4af5d1, 0xc2884e6e, 0xa5a92114, 0x2a650525, 0xea0208a8, 0xdf18f0ce, 0x4ec05432, 0xc2517e31, + 0xa58480e6, 0x2c216eaa, 0xe7dc2383, 0xe0745b24, 0x4e32a956, 0xc21d0eb8, 0xa57f450a, 0x2dce88aa, + 0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, 0xa5996f52, 0x2f6bbe45, 0xe39bd857, 0xe3399167, + 0x4d0e4de2, 0xc1bb5a11, 0xa5d2f6a9, 0x30f8801f, 0xe1821a21, 0xe4a2eff6, 0x4c77a88e, 0xc18e18a7, + 0xa62bc71b, 0x32744493, 0xdf6d0fa1, 0xe61086bc, 0x4bde1089, 0xc1633f8a, 0xa6a3c1d6, 0x33de87de, + 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 0xdb525dc3, 0xe8f77acf, + 0x4aa22036, 0xc114ccb9, 0xa7f084e7, 0x367c9a7e, 0xd94d586c, 0xea70658a, 0x49ffd417, 0xc0f1360b, + 0xa8c4d9cb, 0x37af8159, 0xd74e4abc, 0xebeca36c, 0x495aada2, 0xc0d00db6, 0xa9b7723b, 0x38cf1669, + 0xd5558381, 0xed6bf9d1, 0x48b2b335, 0xc0b15502, 0xaac7fa0e, 0x39daf5e8, 0xd3635094, 0xeeee2d9d, + 0x4807eb4b, 0xc0950d1d, 0xabf612b5, 0x3ad2c2e8, 0xd177fec6, 0xf0730342, 0x475a5c77, 0xc07b371e, + 0xad415361, 0x3bb6276e, 0xcf93d9dc, 0xf1fa3ecb, 0x46aa0d6d, 0xc063d405, 0xaea94927, 0x3c84d496, + 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, 0xb02d7724, 0x3d3e82ae, 0xcbe2402d, 0xf50ef5de, + 0x454149fc, 0xc03c6a07, 0xb1cd56aa, 0x3de2f148, 0xca155d39, 0xf69bf7c9, 0x4488e37f, 0xc02c64a6, + 0xb3885772, 0x3e71e759, 0xc850cab4, 0xf82a6c6a, 0x43cdd89a, 0xc01ed535, 0xb55ddfca, 0x3eeb3347, + 0xc694ce67, 0xf9ba1651, 0x43103085, 0xc013bc39, 0xb74d4ccb, 0x3f4eaafe, 0xc4e1accb, 0xfb4ab7db, + 0x424ff28f, 0xc00b1a20, 0xb955f293, 0x3f9c2bfb, 0xc337a8f7, 0xfcdc1342, 0x418d2621, 0xc004ef3f, + 0xbb771c81, 0x3fd39b5a, 0xc197049e, 0xfe6deaa1, 0x40c7d2bd, 0xc0013bd3, 0xbdb00d71, 0x3ff4e5e0, +}; + +const int twidTabEven[4 * 6 + 16 * 6 + 64 * 6] = { + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x5a82799a, 0xd2bec333, + 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, + 0x00000000, 0xd2bec333, 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x4b418bbe, 0xf383a3e2, + 0x45f704f7, 0xf9ba1651, 0x4fd288dc, 0xed6bf9d1, 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, + 0x58c542c5, 0xdc71898d, 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 0x5a12e720, 0xce86ff2a, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xcac933ae, + 0x569cc31b, 0xe1d4a2c8, 0x45f704f7, 0xc04ee4b8, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, + 0x3248d382, 0xc13ad060, 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 0x1a4608ab, 0xc78e9a1d, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x3248d382, 0xc13ad060, + 0x5a12e720, 0xce86ff2a, 0xe5b9f755, 0xe1d4a2c8, 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, + 0xcdb72c7e, 0xf383a3e2, 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 0xba08fb09, 0x0645e9af, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xee57aa21, 0xdc71898d, + 0x4fd288dc, 0xc2c17d52, 0xa5ed18e0, 0x2899e64a, 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, + 0xa73abd3b, 0x3536cc52, 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, 0xb02d7724, 0x3d3e82ae, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x43103085, 0xfcdc1342, + 0x418d2621, 0xfe6deaa1, 0x4488e37f, 0xfb4ab7db, 0x45f704f7, 0xf9ba1651, 0x43103085, 0xfcdc1342, + 0x48b2b335, 0xf69bf7c9, 0x48b2b335, 0xf69bf7c9, 0x4488e37f, 0xfb4ab7db, 0x4c77a88e, 0xf1fa3ecb, + 0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, 0x4fd288dc, 0xed6bf9d1, 0x4da1fab5, 0xf0730342, + 0x475a5c77, 0xf82a6c6a, 0x52beac9f, 0xe8f77acf, 0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, + 0x553805f2, 0xe4a2eff6, 0x51d1dc80, 0xea70658a, 0x49ffd417, 0xf50ef5de, 0x573b2635, 0xe0745b24, + 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x553805f2, 0xe4a2eff6, + 0x4c77a88e, 0xf1fa3ecb, 0x59d438e5, 0xd8a00bae, 0x569cc31b, 0xe1d4a2c8, 0x4da1fab5, 0xf0730342, + 0x5a6690ae, 0xd5052d97, 0x57cc15bc, 0xdf18f0ce, 0x4ec05432, 0xeeee2d9d, 0x5a7b7f1a, 0xd1a5ef90, + 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 0x5a12e720, 0xce86ff2a, 0x5987b08a, 0xd9e01006, + 0x50d86e6d, 0xebeca36c, 0x592d59da, 0xcbacb0bf, 0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, + 0x57cc15bc, 0xc91af976, 0x5a6690ae, 0xd5052d97, 0x52beac9f, 0xe8f77acf, 0x55f104dc, 0xc6d569be, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a6690ae, 0xd09441bb, + 0x5471e2e6, 0xe61086bc, 0x50d86e6d, 0xc33aee27, 0x5a12e720, 0xce86ff2a, 0x553805f2, 0xe4a2eff6, + 0x4da1fab5, 0xc1eb0209, 0x5987b08a, 0xcc983f70, 0x55f104dc, 0xe3399167, 0x49ffd417, 0xc0f1360b, + 0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, 0x45f704f7, 0xc04ee4b8, 0x57cc15bc, 0xc91af976, + 0x573b2635, 0xe0745b24, 0x418d2621, 0xc004ef3f, 0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, + 0x3cc85709, 0xc013bc39, 0x553805f2, 0xc6250a18, 0x584f7b58, 0xddc29958, 0x37af354c, 0xc07b371e, + 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x51d1dc80, 0xc3bdbdf6, + 0x592d59da, 0xdb25f566, 0x2c9caf6c, 0xc2517e31, 0x4fd288dc, 0xc2c17d52, 0x5987b08a, 0xd9e01006, + 0x26b2a794, 0xc3bdbdf6, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xd8a00bae, 0x2092f05f, 0xc57d965d, + 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 0x1a4608ab, 0xc78e9a1d, 0x48b2b335, 0xc0b15502, + 0x5a43b190, 0xd6326a88, 0x13d4ae08, 0xc9edeb50, 0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, + 0x0d47d096, 0xcc983f70, 0x43103085, 0xc013bc39, 0x5a7b7f1a, 0xd3de9156, 0x06a886a0, 0xcf89e3e8, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x3cc85709, 0xc013bc39, + 0x5a7b7f1a, 0xd1a5ef90, 0xf9577960, 0xd6326a88, 0x396b3199, 0xc04ee4b8, 0x5a6690ae, 0xd09441bb, + 0xf2b82f6a, 0xd9e01006, 0x35eaa2c7, 0xc0b15502, 0x5a43b190, 0xcf89e3e8, 0xec2b51f8, 0xddc29958, + 0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, 0xe5b9f755, 0xe1d4a2c8, 0x2e88013a, 0xc1eb0209, + 0x59d438e5, 0xcd8bbb6d, 0xdf6d0fa1, 0xe61086bc, 0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, + 0xd94d586c, 0xea70658a, 0x26b2a794, 0xc3bdbdf6, 0x592d59da, 0xcbacb0bf, 0xd3635094, 0xeeee2d9d, + 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x1e7de5df, 0xc6250a18, + 0x584f7b58, 0xc9edeb50, 0xc850cab4, 0xf82a6c6a, 0x1a4608ab, 0xc78e9a1d, 0x57cc15bc, 0xc91af976, + 0xc337a8f7, 0xfcdc1342, 0x15fdf758, 0xc91af976, 0x573b2635, 0xc8507ea7, 0xbe72d9df, 0x0192155f, + 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 0xba08fb09, 0x0645e9af, 0x0d47d096, 0xcc983f70, + 0x55f104dc, 0xc6d569be, 0xb6002be9, 0x0af10a22, 0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, + 0xb25e054b, 0x0f8cfcbe, 0x0470ebdc, 0xd09441bb, 0x5471e2e6, 0xc57d965d, 0xaf279193, 0x14135c94, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xfb8f1424, 0xd5052d97, + 0x52beac9f, 0xc449d892, 0xaa0efb24, 0x1cc66e99, 0xf720e574, 0xd76619b6, 0x51d1dc80, 0xc3bdbdf6, + 0xa833ea44, 0x20e70f32, 0xf2b82f6a, 0xd9e01006, 0x50d86e6d, 0xc33aee27, 0xa6d2a626, 0x24da0a9a, + 0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, 0xa5ed18e0, 0x2899e64a, 0xea0208a8, 0xdf18f0ce, + 0x4ec05432, 0xc2517e31, 0xa58480e6, 0x2c216eaa, 0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, + 0xa5996f52, 0x2f6bbe45, 0xe1821a21, 0xe4a2eff6, 0x4c77a88e, 0xc18e18a7, 0xa62bc71b, 0x32744493, + 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 0xd94d586c, 0xea70658a, + 0x49ffd417, 0xc0f1360b, 0xa8c4d9cb, 0x37af8159, 0xd5558381, 0xed6bf9d1, 0x48b2b335, 0xc0b15502, + 0xaac7fa0e, 0x39daf5e8, 0xd177fec6, 0xf0730342, 0x475a5c77, 0xc07b371e, 0xad415361, 0x3bb6276e, + 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, 0xb02d7724, 0x3d3e82ae, 0xca155d39, 0xf69bf7c9, + 0x4488e37f, 0xc02c64a6, 0xb3885772, 0x3e71e759, 0xc694ce67, 0xf9ba1651, 0x43103085, 0xc013bc39, + 0xb74d4ccb, 0x3f4eaafe, 0xc337a8f7, 0xfcdc1342, 0x418d2621, 0xc004ef3f, 0xbb771c81, 0x3fd39b5a, +}; + +/* for reference, here's the code to generate the bitreverse tables + short blocks: nbits = 4 (nfft = 64) + long blocks: nbits = 7 (nfft = 512) + +static int bitrev(int n, int nbits) +{ + int r, i; + + r = 0; + for (i = 0; i < nbits; i++) { + r <<= 1; + r |= (n & 1); + n >>= 1; + } + + return r; +} + +static void InitBitrevTable(unsigned char *out, int nbits) +{ + int i, t; + + for (i = 0; i < (1< KBD_THRESH); + + return i0; +} + +static double CalcW(double nRef, double n, double a) +{ + double i0Base, i0Curr, nTemp; + + i0Base = CalcI0(M_PI * a); + + nTemp = (n - nRef/4) / (nRef/4); + i0Curr = CalcI0( M_PI * a * sqrt(1.0 - nTemp*nTemp) ); + + return i0Curr / i0Base; +} + +void InitKBDWindow(int nmdct) +{ + int n, nRef; + double a, wBase, wCurr; + + nRef = nmdct * 2; + + / *** kbd window *** / + if (nmdct == 128) + a = 6.0; + else + a = 4.0; + + wBase = 0; + for (n = 0; n <= nRef/2; n++) + wBase += CalcW(nRef, n, a); + + / *** left *** / + wCurr = 0; + for (n = 0; n < nRef/2; n++) { + wCurr += CalcW(nRef, n, a); + kbdWindowRef[n] = sqrt(wCurr / wBase); + } + + / *** + * symmetry: + * kbd_right(n) = kbd_ldef(N_REF - 1 - n), n = [N_REF/2, N_REF - 1] + * + * wCurr = 0; + * for (n = N_REF-1; n >= N_REF/2; n--) { + * wCurr += CalcW(N_REF-n-1, a); + * kbdWindowRef[n] = sqrt(wCurr / wBase); + * } + * + *** / + return; +} +*/ diff --git a/audio_codec/libfaad/helixaac/trigtabs_fltgen.c b/audio_codec/libfaad/helixaac/trigtabs_fltgen.c new file mode 100644 index 0000000..b5ffa8e --- a/dev/null +++ b/audio_codec/libfaad/helixaac/trigtabs_fltgen.c @@ -0,0 +1,357 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: trigtabs_fltgen.c,v 1.2 2006/12/05 03:36:53 ehyche Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * June 2005 + * + * trigtabs_fltgen.c - low-ROM alternative to trigtabs.c + * generates large trig tables at runtime using floating-point + * math library + * MUST VERIFY that runtime-generated tables are bit-exact matches + * with ROM tables in trigtabs.c + **************************************************************************************/ +#ifdef HELIX_CONFIG_AAC_GENERATE_TRIGTABS_FLOAT + +#include +#include "coder.h" + +/* read-only tables */ +const int cos4sin4tabOffset[NUM_IMDCT_SIZES] = {0, 128}; +const int sinWindowOffset[NUM_IMDCT_SIZES] = {0, 128}; +const int kbdWindowOffset[NUM_IMDCT_SIZES] = {0, 128}; +const int bitrevtabOffset[NUM_IMDCT_SIZES] = {0, 17}; +const unsigned char bitrevtab[17 + 129] = { + /* nfft = 64 */ + 0x01, 0x08, 0x02, 0x04, 0x03, 0x0c, 0x05, 0x0a, 0x07, 0x0e, 0x0b, 0x0d, 0x00, 0x06, 0x09, 0x0f, + 0x00, + + /* nfft = 512 */ + 0x01, 0x40, 0x02, 0x20, 0x03, 0x60, 0x04, 0x10, 0x05, 0x50, 0x06, 0x30, 0x07, 0x70, 0x09, 0x48, + 0x0a, 0x28, 0x0b, 0x68, 0x0c, 0x18, 0x0d, 0x58, 0x0e, 0x38, 0x0f, 0x78, 0x11, 0x44, 0x12, 0x24, + 0x13, 0x64, 0x15, 0x54, 0x16, 0x34, 0x17, 0x74, 0x19, 0x4c, 0x1a, 0x2c, 0x1b, 0x6c, 0x1d, 0x5c, + 0x1e, 0x3c, 0x1f, 0x7c, 0x21, 0x42, 0x23, 0x62, 0x25, 0x52, 0x26, 0x32, 0x27, 0x72, 0x29, 0x4a, + 0x2b, 0x6a, 0x2d, 0x5a, 0x2e, 0x3a, 0x2f, 0x7a, 0x31, 0x46, 0x33, 0x66, 0x35, 0x56, 0x37, 0x76, + 0x39, 0x4e, 0x3b, 0x6e, 0x3d, 0x5e, 0x3f, 0x7e, 0x43, 0x61, 0x45, 0x51, 0x47, 0x71, 0x4b, 0x69, + 0x4d, 0x59, 0x4f, 0x79, 0x53, 0x65, 0x57, 0x75, 0x5b, 0x6d, 0x5f, 0x7d, 0x67, 0x73, 0x6f, 0x7b, + 0x00, 0x08, 0x14, 0x1c, 0x22, 0x2a, 0x36, 0x3e, 0x41, 0x49, 0x55, 0x5d, 0x63, 0x6b, 0x77, 0x7f, + 0x00, + +}; + +/* tables generated at runtime */ +int cos4sin4tab[128 + 1024]; +int cos1sin1tab[514]; +int sinWindow[128 + 1024]; +int kbdWindow[128 + 1024]; +int twidTabEven[4 * 6 + 16 * 6 + 64 * 6]; +int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6]; + +#define M_PI 3.14159265358979323846 +#define M2_30 1073741824.0 +#define M2_31 2147483648.0 + +#define MAX_DBL 2147483647.0 +#define MIN_DBL -2147483648.0 + +static int NormAndRound(double x, double q, double n) +{ + if (x >= 0.0) { + x = (x * q * n + 0.5); + } else { + x = (x * q * n - 0.5); + } + + /* clip */ + if (x > MAX_DBL) { + x = MAX_DBL; + } + if (x < MIN_DBL) { + x = MIN_DBL; + } + + return (int)x; +} + +static void Init_cos4sin4tab(int *tPtr, int nmdct) +{ + int i; + double angle1, angle2, invM, x1, x2, x3, x4; + + invM = -1.0 / (double)nmdct; + for (i = 0; i < nmdct / 4; i++) { + angle1 = (i + 0.25) * M_PI / nmdct; + angle2 = (nmdct / 2 - 1 - i + 0.25) * M_PI / nmdct; + + x1 = invM * (cos(angle1) + sin(angle1)); + x2 = invM * sin(angle1); + x3 = invM * (cos(angle2) + sin(angle2)); + x4 = invM * sin(angle2); + + tPtr[0] = NormAndRound(x1, M2_30, nmdct); + tPtr[1] = NormAndRound(x2, M2_30, nmdct); + tPtr[2] = NormAndRound(x3, M2_30, nmdct); + tPtr[3] = NormAndRound(x4, M2_30, nmdct); + tPtr += 4; + } +} + +static void Init_cos1sin1tab(int *tPtr) +{ + int i; + double angle, x1, x2; + + for (i = 0; i <= (512 / 2); i++) { + angle = i * M_PI / 1024; + x1 = (cos(angle) + sin(angle)); + x2 = sin(angle); + + tPtr[0] = NormAndRound(x1, M2_30, 1); + tPtr[1] = NormAndRound(x2, M2_30, 1); + tPtr += 2; + } +} + +static void Init_sinWindow(int *tPtr, int nmdct) +{ + int i; + double angle1, angle2, x1, x2; + + for (i = 0; i < nmdct / 2; i++) { + angle1 = (i + 0.5) * M_PI / (2.0 * nmdct); + angle2 = (nmdct - 1 - i + 0.5) * M_PI / (2.0 * nmdct); + x1 = sin(angle1); + x2 = sin(angle2); + + tPtr[0] = NormAndRound(x1, M2_31, 1); + tPtr[1] = NormAndRound(x2, M2_31, 1); + tPtr += 2; + } +} + + +#define KBD_THRESH 1e-12 + +static double CalcI0(double x) +{ + int k; + double i0, iTmp, iLast, x2, xPow, kFact; + + x2 = x / 2.0; + i0 = 0.0; + k = 0; + kFact = 1; + xPow = 1; + do { + iLast = i0; + iTmp = xPow / kFact; + i0 += (iTmp * iTmp); + k++; + kFact *= k; + xPow *= x2; + } while (fabs(i0 - iLast) > KBD_THRESH); + + return i0; +} + +static double CalcW(double nRef, double n, double a) +{ + double i0Base, i0Curr, nTemp; + + i0Base = CalcI0(M_PI * a); + + nTemp = (n - nRef / 4) / (nRef / 4); + i0Curr = CalcI0(M_PI * a * sqrt(1.0 - nTemp * nTemp)); + + return i0Curr / i0Base; +} + +static void Init_kbdWindow(int *tPtr, int nmdct) +{ + int n, nRef; + double a, wBase, wCurr, x1; + + nRef = nmdct * 2; + + /* kbd window */ + if (nmdct == 128) { + a = 6.0; + } else { + a = 4.0; + } + + wBase = 0; + for (n = 0; n <= nRef / 2; n++) { + wBase += CalcW(nRef, n, a); + } + + /* left */ + wCurr = 0; + for (n = 0; n < nmdct / 2; n++) { + wCurr += CalcW(nRef, n, a); + x1 = sqrt(wCurr / wBase); + tPtr[0] = NormAndRound(x1, M2_31, 1); + tPtr += 2; + } + tPtr--; + + /* right */ + for (n = nmdct / 2; n < nmdct; n++) { + wCurr += CalcW(nRef, n, a); + x1 = sqrt(wCurr / wBase); + tPtr[0] = NormAndRound(x1, M2_31, 1); + tPtr -= 2; + } + + /* symmetry: + * kbd_right(n) = kbd_ldef(N_REF - 1 - n), n = [N_REF/2, N_REF - 1] + * + * wCurr = 0; + * for (n = N_REF-1; n >= N_REF/2; n--) { + * wCurr += CalcW(N_REF-n-1, a); + * kbdWindowRef[n] = sqrt(wCurr / wBase); + * } + * + */ + return; +} + +static void Init_twidTabs(int *tPtrEven, int *tPtrOdd, int nfft) +{ + int j, k; + double wr1, wi1, wr2, wi2, wr3, wi3; + + for (k = 4; k <= nfft / 4; k <<= 1) { + for (j = 0; j < k; j++) { + wr1 = cos(1.0 * M_PI * j / (2 * k)); + wi1 = sin(1.0 * M_PI * j / (2 * k)); + wr1 = (wr1 + wi1); + wi1 = -wi1; + + wr2 = cos(2.0 * M_PI * j / (2 * k)); + wi2 = sin(2.0 * M_PI * j / (2 * k)); + wr2 = (wr2 + wi2); + wi2 = -wi2; + + wr3 = cos(3.0 * M_PI * j / (2 * k)); + wi3 = sin(3.0 * M_PI * j / (2 * k)); + wr3 = (wr3 + wi3); + wi3 = -wi3; + + if (k & 0xaaaaaaaa) { + tPtrOdd[0] = NormAndRound(wr2, M2_30, 1); + tPtrOdd[1] = NormAndRound(wi2, M2_30, 1); + tPtrOdd[2] = NormAndRound(wr1, M2_30, 1); + tPtrOdd[3] = NormAndRound(wi1, M2_30, 1); + tPtrOdd[4] = NormAndRound(wr3, M2_30, 1); + tPtrOdd[5] = NormAndRound(wi3, M2_30, 1); + tPtrOdd += 6; + } else { + tPtrEven[0] = NormAndRound(wr2, M2_30, 1); + tPtrEven[1] = NormAndRound(wi2, M2_30, 1); + tPtrEven[2] = NormAndRound(wr1, M2_30, 1); + tPtrEven[3] = NormAndRound(wi1, M2_30, 1); + tPtrEven[4] = NormAndRound(wr3, M2_30, 1); + tPtrEven[5] = NormAndRound(wi3, M2_30, 1); + tPtrEven += 6; + } + } + } +} + +/************************************************************************************** + * Function: AACInitTrigtabsFloat + * + * Description: generate AAC decoder tables using floating-point math library + * + * Inputs: none + * + * Outputs: initialized tables + * + * Return: 0 on success + * + * Notes: this function should ONLY be called when double-precision + * floating-point math is supported + * the generated tables must be bit-exact matches with read-only + * tables stored in trigtabs.c + * this initializes global tables in RAM, and is NOT thread-safe, + * so the caller must ensure that this function is not called + * from multiple threads + * this should be called exactly once, before the entrypoint function + * for the application or DLL is called + **************************************************************************************/ +int AACInitTrigtabsFloat(void) +{ + /* cos4sin4tab */ + Init_cos4sin4tab(cos4sin4tab + cos4sin4tabOffset[0], 128); + Init_cos4sin4tab(cos4sin4tab + cos4sin4tabOffset[1], 1024); + + /* cos1sin1tab */ + Init_cos1sin1tab(cos1sin1tab); + + /* sinWindow */ + Init_sinWindow(sinWindow + sinWindowOffset[0], 128); + Init_sinWindow(sinWindow + sinWindowOffset[1], 1024); + + /* kbdWindow */ + Init_kbdWindow(kbdWindow + kbdWindowOffset[0], 128); + Init_kbdWindow(kbdWindow + kbdWindowOffset[1], 1024); + + /* twidTabEven, twidTabOdd */ + Init_twidTabs(twidTabEven, twidTabOdd, 512); + + return 0; +} + +/************************************************************************************** + * Function: AACFreeTrigtabsFloat + * + * Description: free any memory allocated by AACInitTrigtabsFloat() + * + * Inputs: none + * + * Outputs: none + * + * Return: none + **************************************************************************************/ +void AACFreeTrigtabsFloat(void) +{ + return; +} + +#endif /* HELIX_CONFIG_AAC_GENERATE_TRIGTABS_FLOAT */ diff --git a/audio_codec/libfaad/huffman.c b/audio_codec/libfaad/huffman.c new file mode 100644 index 0000000..5702d13 --- a/dev/null +++ b/audio_codec/libfaad/huffman.c @@ -0,0 +1,582 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: huffman.c,v 1.26 2007/11/01 12:33:30 menno Exp $ +**/ +#include +#include "common.h" +#include "structs.h" + +#ifdef ANALYSIS +#include +#endif + +#include "bits.h" +#include "huffman.h" +#include "codebook/hcb.h" + + +/* static function declarations */ +static INLINE void huffman_sign_bits(bitfile *ld, int16_t *sp, uint8_t len); +static INLINE int16_t huffman_getescape(bitfile *ld, int16_t sp); +static uint8_t huffman_2step_quad(uint8_t cb, bitfile *ld, int16_t *sp); +static uint8_t huffman_2step_quad_sign(uint8_t cb, bitfile *ld, int16_t *sp); +static uint8_t huffman_2step_pair(uint8_t cb, bitfile *ld, int16_t *sp); +static uint8_t huffman_2step_pair_sign(uint8_t cb, bitfile *ld, int16_t *sp); +static uint8_t huffman_binary_quad(uint8_t cb, bitfile *ld, int16_t *sp); +static uint8_t huffman_binary_quad_sign(uint8_t cb, bitfile *ld, int16_t *sp); +static uint8_t huffman_binary_pair(uint8_t cb, bitfile *ld, int16_t *sp); +static uint8_t huffman_binary_pair_sign(uint8_t cb, bitfile *ld, int16_t *sp); +static int16_t huffman_codebook(uint8_t i); +static void vcb11_check_LAV(uint8_t cb, int16_t *sp); + +int8_t huffman_scale_factor(bitfile *ld) +{ + uint16_t offset = 0; + + while (hcb_sf[offset][1]) { + uint8_t b = faad_get1bit(ld + DEBUGVAR(1, 255, "huffman_scale_factor()")); + offset += hcb_sf[offset][b]; + + if (offset > 240) { + /* printf("ERROR: offset into hcb_sf = %d >240!\n", offset); */ + return -1; + } + } + + return hcb_sf[offset][0]; +} + + +hcb *hcb_table[] = { + 0, hcb1_1, hcb2_1, 0, hcb4_1, 0, hcb6_1, 0, hcb8_1, 0, hcb10_1, hcb11_1 +}; + +hcb_2_quad *hcb_2_quad_table[] = { + 0, hcb1_2, hcb2_2, 0, hcb4_2, 0, 0, 0, 0, 0, 0, 0 +}; + +hcb_2_pair *hcb_2_pair_table[] = { + 0, 0, 0, 0, 0, 0, hcb6_2, 0, hcb8_2, 0, hcb10_2, hcb11_2 +}; + +hcb_bin_pair *hcb_bin_table[] = { + 0, 0, 0, 0, 0, hcb5, 0, hcb7, 0, hcb9, 0, 0 +}; + +uint8_t hcbN[] = { 0, 5, 5, 0, 5, 0, 5, 0, 5, 0, 6, 5 }; + +/* defines whether a huffman codebook is unsigned or not */ +/* Table 4.6.2 */ +uint8_t unsigned_cb[] = { 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, + /* codebook 16 to 31 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 + }; + +int hcb_2_quad_table_size[] = { 0, 114, 86, 0, 185, 0, 0, 0, 0, 0, 0, 0 }; +int hcb_2_pair_table_size[] = { 0, 0, 0, 0, 0, 0, 126, 0, 83, 0, 210, 373 }; +int hcb_bin_table_size[] = { 0, 0, 0, 161, 0, 161, 0, 127, 0, 337, 0, 0 }; + +static INLINE void huffman_sign_bits(bitfile *ld, int16_t *sp, uint8_t len) +{ + uint8_t i; + + for (i = 0; i < len; i++) { + if (sp[i]) { + if (faad_get1bit(ld + DEBUGVAR(1, 5, "huffman_sign_bits(): sign bit")) & 1) { + sp[i] = -sp[i]; + } + } + } +} + +static INLINE int16_t huffman_getescape(bitfile *ld, int16_t sp) +{ + uint8_t neg, i; + int16_t j; + int16_t off; + + if (sp < 0) { + if (sp != -16) { + return sp; + } + neg = 1; + } else { + if (sp != 16) { + return sp; + } + neg = 0; + } + + for (i = 4; ; i++) { + if (faad_get1bit(ld + DEBUGVAR(1, 6, "huffman_getescape(): escape size")) == 0) { + break; + } + } + + off = (int16_t)faad_getbits(ld, i + DEBUGVAR(1, 9, "huffman_getescape(): escape")); + + j = off | (1 << i); + if (neg) { + j = -j; + } + + return j; +} + +static uint8_t huffman_2step_quad(uint8_t cb, bitfile *ld, int16_t *sp) +{ + uint32_t cw; + uint16_t offset = 0; + uint8_t extra_bits; + + cw = faad_showbits(ld, hcbN[cb]); + offset = hcb_table[cb][cw].offset; + extra_bits = hcb_table[cb][cw].extra_bits; + + if (extra_bits) { + /* we know for sure it's more than hcbN[cb] bits long */ + faad_flushbits(ld, hcbN[cb]); + offset += (uint16_t)faad_showbits(ld, extra_bits); + faad_flushbits(ld, hcb_2_quad_table[cb][offset].bits - hcbN[cb]); + } else { + faad_flushbits(ld, hcb_2_quad_table[cb][offset].bits); + } + + if (offset > hcb_2_quad_table_size[cb]) { + /* printf("ERROR: offset into hcb_2_quad_table = %d >%d!\n", offset, + hcb_2_quad_table_size[cb]); */ + return 10; + } + + sp[0] = hcb_2_quad_table[cb][offset].x; + sp[1] = hcb_2_quad_table[cb][offset].y; + sp[2] = hcb_2_quad_table[cb][offset].v; + sp[3] = hcb_2_quad_table[cb][offset].w; + + return 0; +} + +static uint8_t huffman_2step_quad_sign(uint8_t cb, bitfile *ld, int16_t *sp) +{ + uint8_t err = huffman_2step_quad(cb, ld, sp); + huffman_sign_bits(ld, sp, QUAD_LEN); + + return err; +} + +static uint8_t huffman_2step_pair(uint8_t cb, bitfile *ld, int16_t *sp) +{ + uint32_t cw; + uint16_t offset = 0; + uint8_t extra_bits; + + cw = faad_showbits(ld, hcbN[cb]); + offset = hcb_table[cb][cw].offset; + extra_bits = hcb_table[cb][cw].extra_bits; + + if (extra_bits) { + /* we know for sure it's more than hcbN[cb] bits long */ + faad_flushbits(ld, hcbN[cb]); + offset += (uint16_t)faad_showbits(ld, extra_bits); + faad_flushbits(ld, hcb_2_pair_table[cb][offset].bits - hcbN[cb]); + } else { + faad_flushbits(ld, hcb_2_pair_table[cb][offset].bits); + } + + if (offset > hcb_2_pair_table_size[cb]) { + /* printf("ERROR: offset into hcb_2_pair_table = %d >%d!\n", offset, + hcb_2_pair_table_size[cb]); */ + return 10; + } + + sp[0] = hcb_2_pair_table[cb][offset].x; + sp[1] = hcb_2_pair_table[cb][offset].y; + + return 0; +} + +static uint8_t huffman_2step_pair_sign(uint8_t cb, bitfile *ld, int16_t *sp) +{ + uint8_t err = huffman_2step_pair(cb, ld, sp); + huffman_sign_bits(ld, sp, PAIR_LEN); + + return err; +} + +static uint8_t huffman_binary_quad(uint8_t cb, bitfile *ld, int16_t *sp) +{ + uint16_t offset = 0; + + while (!hcb3[offset].is_leaf) { + uint8_t b = faad_get1bit(ld + DEBUGVAR(1, 255, "huffman_spectral_data():3")); + offset += hcb3[offset].data[b]; + } + + if (offset > hcb_bin_table_size[cb]) { + /* printf("ERROR: offset into hcb_bin_table = %d >%d!\n", offset, + hcb_bin_table_size[cb]); */ + return 10; + } + + sp[0] = hcb3[offset].data[0]; + sp[1] = hcb3[offset].data[1]; + sp[2] = hcb3[offset].data[2]; + sp[3] = hcb3[offset].data[3]; + + return 0; +} + +static uint8_t huffman_binary_quad_sign(uint8_t cb, bitfile *ld, int16_t *sp) +{ + uint8_t err = huffman_binary_quad(cb, ld, sp); + huffman_sign_bits(ld, sp, QUAD_LEN); + + return err; +} + +static uint8_t huffman_binary_pair(uint8_t cb, bitfile *ld, int16_t *sp) +{ + uint16_t offset = 0; + + while (!hcb_bin_table[cb][offset].is_leaf) { + uint8_t b = faad_get1bit(ld + DEBUGVAR(1, 255, "huffman_spectral_data():9")); + offset += hcb_bin_table[cb][offset].data[b]; + } + + if (offset > hcb_bin_table_size[cb]) { + /* printf("ERROR: offset into hcb_bin_table = %d >%d!\n", offset, + hcb_bin_table_size[cb]); */ + return 10; + } + + sp[0] = hcb_bin_table[cb][offset].data[0]; + sp[1] = hcb_bin_table[cb][offset].data[1]; + + return 0; +} + +static uint8_t huffman_binary_pair_sign(uint8_t cb, bitfile *ld, int16_t *sp) +{ + uint8_t err = huffman_binary_pair(cb, ld, sp); + huffman_sign_bits(ld, sp, PAIR_LEN); + + return err; +} + +static int16_t huffman_codebook(uint8_t i) +{ + static const uint32_t data = 16428320; + if (i == 0) { + return (int16_t)(data >> 16) & 0xFFFF; + } else { + return (int16_t)data & 0xFFFF; + } +} + +static void vcb11_check_LAV(uint8_t cb, int16_t *sp) +{ + static const uint16_t vcb11_LAV_tab[] = { + 16, 31, 47, 63, 95, 127, 159, 191, 223, + 255, 319, 383, 511, 767, 1023, 2047 + }; + uint16_t max = 0; + + if (cb < 16 || cb > 31) { + return; + } + + max = vcb11_LAV_tab[cb - 16]; + + if ((abs(sp[0]) > max) || (abs(sp[1]) > max)) { + sp[0] = 0; + sp[1] = 0; + } +} + +uint8_t huffman_spectral_data(uint8_t cb, bitfile *ld, int16_t *sp) +{ + switch (cb) { + case 1: /* 2-step method for data quadruples */ + case 2: + return huffman_2step_quad(cb, ld, sp); + case 3: /* binary search for data quadruples */ + return huffman_binary_quad_sign(cb, ld, sp); + case 4: /* 2-step method for data quadruples */ + return huffman_2step_quad_sign(cb, ld, sp); + case 5: /* binary search for data pairs */ + return huffman_binary_pair(cb, ld, sp); + case 6: /* 2-step method for data pairs */ + return huffman_2step_pair(cb, ld, sp); + case 7: /* binary search for data pairs */ + case 9: + return huffman_binary_pair_sign(cb, ld, sp); + case 8: /* 2-step method for data pairs */ + case 10: + return huffman_2step_pair_sign(cb, ld, sp); + case 12: { + uint8_t err = huffman_2step_pair(11, ld, sp); + sp[0] = huffman_codebook(0); + sp[1] = huffman_codebook(1); + return err; + } + case 11: { + uint8_t err = huffman_2step_pair_sign(11, ld, sp); + sp[0] = huffman_getescape(ld, sp[0]); + sp[1] = huffman_getescape(ld, sp[1]); + return err; + } +#ifdef ERROR_RESILIENCE + /* VCB11 uses codebook 11 */ + case 16: + case 17: + case 18: + case 19: + case 20: + case 21: + case 22: + case 23: + case 24: + case 25: + case 26: + case 27: + case 28: + case 29: + case 30: + case 31: { + uint8_t err = huffman_2step_pair_sign(11, ld, sp); + sp[0] = huffman_getescape(ld, sp[0]); + sp[1] = huffman_getescape(ld, sp[1]); + + /* check LAV (Largest Absolute Value) */ + /* this finds errors in the ESCAPE signal */ + vcb11_check_LAV(cb, sp); + + return err; + } +#endif + default: + /* Non existent codebook number, something went wrong */ + return 11; + } + + return 0; +} + + +#ifdef ERROR_RESILIENCE + +/* Special version of huffman_spectral_data +Will not read from a bitfile but a bits_t structure. +Will keep track of the bits decoded and return the number of bits remaining. +Do not read more than ld->len, return -1 if codeword would be longer */ + +int8_t huffman_spectral_data_2(uint8_t cb, bits_t *ld, int16_t *sp) +{ + uint32_t cw; + uint16_t offset = 0; + uint8_t extra_bits; + uint8_t i, vcb11 = 0; + + + switch (cb) { + case 1: /* 2-step method for data quadruples */ + case 2: + case 4: + + cw = showbits_hcr(ld, hcbN[cb]); + offset = hcb_table[cb][cw].offset; + extra_bits = hcb_table[cb][cw].extra_bits; + + if (extra_bits) { + /* we know for sure it's more than hcbN[cb] bits long */ + if (flushbits_hcr(ld, hcbN[cb])) { + return -1; + } + offset += (uint16_t)showbits_hcr(ld, extra_bits); + if (flushbits_hcr(ld, hcb_2_quad_table[cb][offset].bits - hcbN[cb])) { + return -1; + } + } else { + if (flushbits_hcr(ld, hcb_2_quad_table[cb][offset].bits)) { + return -1; + } + } + + sp[0] = hcb_2_quad_table[cb][offset].x; + sp[1] = hcb_2_quad_table[cb][offset].y; + sp[2] = hcb_2_quad_table[cb][offset].v; + sp[3] = hcb_2_quad_table[cb][offset].w; + break; + + case 6: /* 2-step method for data pairs */ + case 8: + case 10: + case 11: + /* VCB11 uses codebook 11 */ + case 16: + case 17: + case 18: + case 19: + case 20: + case 21: + case 22: + case 23: + case 24: + case 25: + case 26: + case 27: + case 28: + case 29: + case 30: + case 31: + + if (cb >= 16) { + /* store the virtual codebook */ + vcb11 = cb; + cb = 11; + } + + cw = showbits_hcr(ld, hcbN[cb]); + offset = hcb_table[cb][cw].offset; + extra_bits = hcb_table[cb][cw].extra_bits; + + if (extra_bits) { + /* we know for sure it's more than hcbN[cb] bits long */ + if (flushbits_hcr(ld, hcbN[cb])) { + return -1; + } + offset += (uint16_t)showbits_hcr(ld, extra_bits); + if (flushbits_hcr(ld, hcb_2_pair_table[cb][offset].bits - hcbN[cb])) { + return -1; + } + } else { + if (flushbits_hcr(ld, hcb_2_pair_table[cb][offset].bits)) { + return -1; + } + } + sp[0] = hcb_2_pair_table[cb][offset].x; + sp[1] = hcb_2_pair_table[cb][offset].y; + break; + + case 3: /* binary search for data quadruples */ + + while (!hcb3[offset].is_leaf) { + uint8_t b; + + if (get1bit_hcr(ld, &b)) { + return -1; + } + offset += hcb3[offset].data[b]; + } + + sp[0] = hcb3[offset].data[0]; + sp[1] = hcb3[offset].data[1]; + sp[2] = hcb3[offset].data[2]; + sp[3] = hcb3[offset].data[3]; + + break; + + case 5: /* binary search for data pairs */ + case 7: + case 9: + + while (!hcb_bin_table[cb][offset].is_leaf) { + uint8_t b; + + if (get1bit_hcr(ld, &b)) { + return -1; + } + offset += hcb_bin_table[cb][offset].data[b]; + } + + sp[0] = hcb_bin_table[cb][offset].data[0]; + sp[1] = hcb_bin_table[cb][offset].data[1]; + + break; + } + + /* decode sign bits */ + if (unsigned_cb[cb]) { + for (i = 0; i < ((cb < FIRST_PAIR_HCB) ? QUAD_LEN : PAIR_LEN); i++) { + if (sp[i]) { + uint8_t b; + if (get1bit_hcr(ld, &b)) { + return -1; + } + if (b != 0) { + sp[i] = -sp[i]; + } + } + } + } + + /* decode huffman escape bits */ + if ((cb == ESC_HCB) || (cb >= 16)) { + uint8_t k; + for (k = 0; k < 2; k++) { + if ((sp[k] == 16) || (sp[k] == -16)) { + uint8_t neg, i; + int32_t j; + uint32_t off; + + neg = (sp[k] < 0) ? 1 : 0; + + for (i = 4; ; i++) { + uint8_t b; + if (get1bit_hcr(ld, &b)) { + return -1; + } + if (b == 0) { + break; + } + } + + if (getbits_hcr(ld, i, &off)) { + return -1; + } + j = off + (1 << i); + sp[k] = (int16_t)((neg) ? -j : j); + } + } + + if (vcb11 != 0) { + /* check LAV (Largest Absolute Value) */ + /* this finds errors in the ESCAPE signal */ + vcb11_check_LAV(vcb11, sp); + } + } + return ld->len; +} + +#endif + diff --git a/audio_codec/libfaad/huffman.h b/audio_codec/libfaad/huffman.h new file mode 100644 index 0000000..3eaa9fe --- a/dev/null +++ b/audio_codec/libfaad/huffman.h @@ -0,0 +1,47 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: huffman.h,v 1.28 2007/11/01 12:33:30 menno Exp $ +**/ + +#ifndef __HUFFMAN_H__ +#define __HUFFMAN_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + int8_t huffman_scale_factor(bitfile *ld); + uint8_t huffman_spectral_data(uint8_t cb, bitfile *ld, int16_t *sp); +#ifdef ERROR_RESILIENCE + int8_t huffman_spectral_data_2(uint8_t cb, bits_t *ld, int16_t *sp); +#endif + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/ic_predict.c b/audio_codec/libfaad/ic_predict.c new file mode 100644 index 0000000..a85247a --- a/dev/null +++ b/audio_codec/libfaad/ic_predict.c @@ -0,0 +1,258 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: ic_predict.c,v 1.28 2007/11/01 12:33:31 menno Exp $ +**/ +#include +#include "common.h" +#include "structs.h" + +#ifdef MAIN_DEC + +#include "syntax.h" +#include "ic_predict.h" +#include "pns.h" + + +static void flt_round(float32_t *pf) +{ + int32_t flg; + uint32_t tmp, tmp1, tmp2; + + tmp = *(uint32_t*)pf; + flg = tmp & (uint32_t)0x00008000; + tmp &= (uint32_t)0xffff0000; + tmp1 = tmp; + /* round 1/2 lsb toward infinity */ + if (flg) { + tmp &= (uint32_t)0xff800000; /* extract exponent and sign */ + tmp |= (uint32_t)0x00010000; /* insert 1 lsb */ + tmp2 = tmp; /* add 1 lsb and elided one */ + tmp &= (uint32_t)0xff800000; /* extract exponent and sign */ + + *pf = *(float32_t*)&tmp1 + *(float32_t*)&tmp2 - *(float32_t*)&tmp; + } else { + *pf = *(float32_t*)&tmp; + } +} + +static int16_t quant_pred(float32_t x) +{ + int16_t q; + uint32_t *tmp = (uint32_t*)&x; + + q = (int16_t)(*tmp >> 16); + + return q; +} + +static float32_t inv_quant_pred(int16_t q) +{ + float32_t x; + uint32_t *tmp = (uint32_t*)&x; + *tmp = ((uint32_t)q) << 16; + + return x; +} + +static void ic_predict(pred_state *state, real_t input, real_t *output, uint8_t pred) +{ + uint16_t tmp; + int16_t i, j; + real_t dr1; + float32_t predictedvalue; + real_t e0, e1; + real_t k1, k2; + + real_t r[2]; + real_t COR[2]; + real_t VAR[2]; + + r[0] = inv_quant_pred(state->r[0]); + r[1] = inv_quant_pred(state->r[1]); + COR[0] = inv_quant_pred(state->COR[0]); + COR[1] = inv_quant_pred(state->COR[1]); + VAR[0] = inv_quant_pred(state->VAR[0]); + VAR[1] = inv_quant_pred(state->VAR[1]); + + +#if 1 + tmp = state->VAR[0]; + j = (tmp >> 7); + i = tmp & 0x7f; + if (j >= 128) { + j -= 128; + k1 = COR[0] * exp_table[j] * mnt_table[i]; + } else { + k1 = REAL_CONST(0); + } +#else + + { +#define B 0.953125 + real_t c = COR[0]; + real_t v = VAR[0]; + float32_t tmp; + if (c == 0 || v <= 1) { + k1 = 0; + } else { + tmp = B / v; + flt_round(&tmp); + k1 = c * tmp; + } + } +#endif + + if (pred) { +#if 1 + tmp = state->VAR[1]; + j = (tmp >> 7); + i = tmp & 0x7f; + if (j >= 128) { + j -= 128; + k2 = COR[1] * exp_table[j] * mnt_table[i]; + } else { + k2 = REAL_CONST(0); + } +#else + +#define B 0.953125 + real_t c = COR[1]; + real_t v = VAR[1]; + float32_t tmp; + if (c == 0 || v <= 1) { + k2 = 0; + } else { + tmp = B / v; + flt_round(&tmp); + k2 = c * tmp; + } +#endif + + predictedvalue = k1 * r[0] + k2 * r[1]; + flt_round(&predictedvalue); + *output = input + predictedvalue; + } + + /* calculate new state data */ + e0 = *output; + e1 = e0 - k1 * r[0]; + dr1 = k1 * e0; + + VAR[0] = ALPHA * VAR[0] + 0.5f * (r[0] * r[0] + e0 * e0); + COR[0] = ALPHA * COR[0] + r[0] * e0; + VAR[1] = ALPHA * VAR[1] + 0.5f * (r[1] * r[1] + e1 * e1); + COR[1] = ALPHA * COR[1] + r[1] * e1; + + r[1] = A * (r[0] - dr1); + r[0] = A * e0; + + state->r[0] = quant_pred(r[0]); + state->r[1] = quant_pred(r[1]); + state->COR[0] = quant_pred(COR[0]); + state->COR[1] = quant_pred(COR[1]); + state->VAR[0] = quant_pred(VAR[0]); + state->VAR[1] = quant_pred(VAR[1]); +} + +static void reset_pred_state(pred_state *state) +{ + state->r[0] = 0; + state->r[1] = 0; + state->COR[0] = 0; + state->COR[1] = 0; + state->VAR[0] = 0x3F80; + state->VAR[1] = 0x3F80; +} + +void pns_reset_pred_state(ic_stream *ics, pred_state *state) +{ + uint8_t sfb, g, b; + uint16_t i, offs, offs2; + + /* prediction only for long blocks */ + if (ics->window_sequence == EIGHT_SHORT_SEQUENCE) { + return; + } + + for (g = 0; g < ics->num_window_groups; g++) { + for (b = 0; b < ics->window_group_length[g]; b++) { + for (sfb = 0; sfb < ics->max_sfb; sfb++) { + if (is_noise(ics, g, sfb)) { + offs = ics->swb_offset[sfb]; + offs2 = min(ics->swb_offset[sfb + 1], ics->swb_offset_max); + + for (i = offs; i < offs2; i++) { + reset_pred_state(&state[i]); + } + } + } + } + } +} + +void reset_all_predictors(pred_state *state, uint16_t frame_len) +{ + uint16_t i; + + for (i = 0; i < frame_len; i++) { + reset_pred_state(&state[i]); + } +} + +/* intra channel prediction */ +void ic_prediction(ic_stream *ics, real_t *spec, pred_state *state, + uint16_t frame_len, uint8_t sf_index) +{ + uint8_t sfb; + uint16_t bin; + + if (ics->window_sequence == EIGHT_SHORT_SEQUENCE) { + reset_all_predictors(state, frame_len); + } else { + for (sfb = 0; sfb < max_pred_sfb(sf_index); sfb++) { + uint16_t low = ics->swb_offset[sfb]; + uint16_t high = min(ics->swb_offset[sfb + 1], ics->swb_offset_max); + + for (bin = low; bin < high; bin++) { + ic_predict(&state[bin], spec[bin], &spec[bin], + (ics->predictor_data_present && ics->pred.prediction_used[sfb])); + } + } + + if (ics->predictor_data_present) { + if (ics->pred.predictor_reset) { + for (bin = ics->pred.predictor_reset_group_number - 1; + bin < frame_len; bin += 30) { + reset_pred_state(&state[bin]); + } + } + } + } +} + +#endif diff --git a/audio_codec/libfaad/ic_predict.h b/audio_codec/libfaad/ic_predict.h new file mode 100644 index 0000000..6b97907 --- a/dev/null +++ b/audio_codec/libfaad/ic_predict.h @@ -0,0 +1,252 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: ic_predict.h,v 1.23 2007/11/01 12:33:31 menno Exp $ +**/ + +#ifdef MAIN_DEC + +#ifndef __IC_PREDICT_H__ +#define __IC_PREDICT_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#define ALPHA REAL_CONST(0.90625) +#define A REAL_CONST(0.953125) + + + void pns_reset_pred_state(ic_stream *ics, pred_state *state); + void reset_all_predictors(pred_state *state, uint16_t frame_len); + void ic_prediction(ic_stream *ics, real_t *spec, pred_state *state, + uint16_t frame_len, uint8_t sf_index); + + ALIGN static const real_t mnt_table[128] = { + COEF_CONST(0.9531250000), COEF_CONST(0.9453125000), + COEF_CONST(0.9375000000), COEF_CONST(0.9296875000), + COEF_CONST(0.9257812500), COEF_CONST(0.9179687500), + COEF_CONST(0.9101562500), COEF_CONST(0.9023437500), + COEF_CONST(0.8984375000), COEF_CONST(0.8906250000), + COEF_CONST(0.8828125000), COEF_CONST(0.8789062500), + COEF_CONST(0.8710937500), COEF_CONST(0.8671875000), + COEF_CONST(0.8593750000), COEF_CONST(0.8515625000), + COEF_CONST(0.8476562500), COEF_CONST(0.8398437500), + COEF_CONST(0.8359375000), COEF_CONST(0.8281250000), + COEF_CONST(0.8242187500), COEF_CONST(0.8203125000), + COEF_CONST(0.8125000000), COEF_CONST(0.8085937500), + COEF_CONST(0.8007812500), COEF_CONST(0.7968750000), + COEF_CONST(0.7929687500), COEF_CONST(0.7851562500), + COEF_CONST(0.7812500000), COEF_CONST(0.7773437500), + COEF_CONST(0.7734375000), COEF_CONST(0.7656250000), + COEF_CONST(0.7617187500), COEF_CONST(0.7578125000), + COEF_CONST(0.7539062500), COEF_CONST(0.7500000000), + COEF_CONST(0.7421875000), COEF_CONST(0.7382812500), + COEF_CONST(0.7343750000), COEF_CONST(0.7304687500), + COEF_CONST(0.7265625000), COEF_CONST(0.7226562500), + COEF_CONST(0.7187500000), COEF_CONST(0.7148437500), + COEF_CONST(0.7109375000), COEF_CONST(0.7070312500), + COEF_CONST(0.6992187500), COEF_CONST(0.6953125000), + COEF_CONST(0.6914062500), COEF_CONST(0.6875000000), + COEF_CONST(0.6835937500), COEF_CONST(0.6796875000), + COEF_CONST(0.6796875000), COEF_CONST(0.6757812500), + COEF_CONST(0.6718750000), COEF_CONST(0.6679687500), + COEF_CONST(0.6640625000), COEF_CONST(0.6601562500), + COEF_CONST(0.6562500000), COEF_CONST(0.6523437500), + COEF_CONST(0.6484375000), COEF_CONST(0.6445312500), + COEF_CONST(0.6406250000), COEF_CONST(0.6406250000), + COEF_CONST(0.6367187500), COEF_CONST(0.6328125000), + COEF_CONST(0.6289062500), COEF_CONST(0.6250000000), + COEF_CONST(0.6210937500), COEF_CONST(0.6210937500), + COEF_CONST(0.6171875000), COEF_CONST(0.6132812500), + COEF_CONST(0.6093750000), COEF_CONST(0.6054687500), + COEF_CONST(0.6054687500), COEF_CONST(0.6015625000), + COEF_CONST(0.5976562500), COEF_CONST(0.5937500000), + COEF_CONST(0.5937500000), COEF_CONST(0.5898437500), + COEF_CONST(0.5859375000), COEF_CONST(0.5820312500), + COEF_CONST(0.5820312500), COEF_CONST(0.5781250000), + COEF_CONST(0.5742187500), COEF_CONST(0.5742187500), + COEF_CONST(0.5703125000), COEF_CONST(0.5664062500), + COEF_CONST(0.5664062500), COEF_CONST(0.5625000000), + COEF_CONST(0.5585937500), COEF_CONST(0.5585937500), + COEF_CONST(0.5546875000), COEF_CONST(0.5507812500), + COEF_CONST(0.5507812500), COEF_CONST(0.5468750000), + COEF_CONST(0.5429687500), COEF_CONST(0.5429687500), + COEF_CONST(0.5390625000), COEF_CONST(0.5390625000), + COEF_CONST(0.5351562500), COEF_CONST(0.5312500000), + COEF_CONST(0.5312500000), COEF_CONST(0.5273437500), + COEF_CONST(0.5273437500), COEF_CONST(0.5234375000), + COEF_CONST(0.5195312500), COEF_CONST(0.5195312500), + COEF_CONST(0.5156250000), COEF_CONST(0.5156250000), + COEF_CONST(0.5117187500), COEF_CONST(0.5117187500), + COEF_CONST(0.5078125000), COEF_CONST(0.5078125000), + COEF_CONST(0.5039062500), COEF_CONST(0.5039062500), + COEF_CONST(0.5000000000), COEF_CONST(0.4980468750), + COEF_CONST(0.4960937500), COEF_CONST(0.4941406250), + COEF_CONST(0.4921875000), COEF_CONST(0.4902343750), + COEF_CONST(0.4882812500), COEF_CONST(0.4863281250), + COEF_CONST(0.4843750000), COEF_CONST(0.4824218750), + COEF_CONST(0.4804687500), COEF_CONST(0.4785156250) + }; + + ALIGN static const real_t exp_table[128] = { + COEF_CONST(0.50000000000000000000000000000000000000000000000000), + COEF_CONST(0.25000000000000000000000000000000000000000000000000), + COEF_CONST(0.12500000000000000000000000000000000000000000000000), + COEF_CONST(0.06250000000000000000000000000000000000000000000000), + COEF_CONST(0.03125000000000000000000000000000000000000000000000), + COEF_CONST(0.01562500000000000000000000000000000000000000000000), + COEF_CONST(0.00781250000000000000000000000000000000000000000000), + COEF_CONST(0.00390625000000000000000000000000000000000000000000), + COEF_CONST(0.00195312500000000000000000000000000000000000000000), + COEF_CONST(0.00097656250000000000000000000000000000000000000000), + COEF_CONST(0.00048828125000000000000000000000000000000000000000), + COEF_CONST(0.00024414062500000000000000000000000000000000000000), + COEF_CONST(0.00012207031250000000000000000000000000000000000000), + COEF_CONST(0.00006103515625000000000000000000000000000000000000), + COEF_CONST(0.00003051757812500000000000000000000000000000000000), + COEF_CONST(0.00001525878906250000000000000000000000000000000000), + COEF_CONST(0.00000762939453125000000000000000000000000000000000), + COEF_CONST(0.00000381469726562500000000000000000000000000000000), + COEF_CONST(0.00000190734863281250000000000000000000000000000000), + COEF_CONST(0.00000095367431640625000000000000000000000000000000), + COEF_CONST(0.00000047683715820312500000000000000000000000000000), + COEF_CONST(0.00000023841857910156250000000000000000000000000000), + COEF_CONST(0.00000011920928955078125000000000000000000000000000), + COEF_CONST(0.00000005960464477539062500000000000000000000000000), + COEF_CONST(0.00000002980232238769531300000000000000000000000000), + COEF_CONST(0.00000001490116119384765600000000000000000000000000), + COEF_CONST(0.00000000745058059692382810000000000000000000000000), + COEF_CONST(0.00000000372529029846191410000000000000000000000000), + COEF_CONST(0.00000000186264514923095700000000000000000000000000), + COEF_CONST(0.00000000093132257461547852000000000000000000000000), + COEF_CONST(0.00000000046566128730773926000000000000000000000000), + COEF_CONST(0.00000000023283064365386963000000000000000000000000), + COEF_CONST(0.00000000011641532182693481000000000000000000000000), + COEF_CONST(0.00000000005820766091346740700000000000000000000000), + COEF_CONST(0.00000000002910383045673370400000000000000000000000), + COEF_CONST(0.00000000001455191522836685200000000000000000000000), + COEF_CONST(0.00000000000727595761418342590000000000000000000000), + COEF_CONST(0.00000000000363797880709171300000000000000000000000), + COEF_CONST(0.00000000000181898940354585650000000000000000000000), + COEF_CONST(0.00000000000090949470177292824000000000000000000000), + COEF_CONST(0.00000000000045474735088646412000000000000000000000), + COEF_CONST(0.00000000000022737367544323206000000000000000000000), + COEF_CONST(0.00000000000011368683772161603000000000000000000000), + COEF_CONST(0.00000000000005684341886080801500000000000000000000), + COEF_CONST(0.00000000000002842170943040400700000000000000000000), + COEF_CONST(0.00000000000001421085471520200400000000000000000000), + COEF_CONST(0.00000000000000710542735760100190000000000000000000), + COEF_CONST(0.00000000000000355271367880050090000000000000000000), + COEF_CONST(0.00000000000000177635683940025050000000000000000000), + COEF_CONST(0.00000000000000088817841970012523000000000000000000), + COEF_CONST(0.00000000000000044408920985006262000000000000000000), + COEF_CONST(0.00000000000000022204460492503131000000000000000000), + COEF_CONST(0.00000000000000011102230246251565000000000000000000), + COEF_CONST(0.00000000000000005551115123125782700000000000000000), + COEF_CONST(0.00000000000000002775557561562891400000000000000000), + COEF_CONST(0.00000000000000001387778780781445700000000000000000), + COEF_CONST(0.00000000000000000693889390390722840000000000000000), + COEF_CONST(0.00000000000000000346944695195361420000000000000000), + COEF_CONST(0.00000000000000000173472347597680710000000000000000), + COEF_CONST(0.00000000000000000086736173798840355000000000000000), + COEF_CONST(0.00000000000000000043368086899420177000000000000000), + COEF_CONST(0.00000000000000000021684043449710089000000000000000), + COEF_CONST(0.00000000000000000010842021724855044000000000000000), + COEF_CONST(0.00000000000000000005421010862427522200000000000000), + COEF_CONST(0.00000000000000000002710505431213761100000000000000), + COEF_CONST(0.00000000000000000001355252715606880500000000000000), + COEF_CONST(0.00000000000000000000677626357803440270000000000000), + COEF_CONST(0.00000000000000000000338813178901720140000000000000), + COEF_CONST(0.00000000000000000000169406589450860070000000000000), + COEF_CONST(0.00000000000000000000084703294725430034000000000000), + COEF_CONST(0.00000000000000000000042351647362715017000000000000), + COEF_CONST(0.00000000000000000000021175823681357508000000000000), + COEF_CONST(0.00000000000000000000010587911840678754000000000000), + COEF_CONST(0.00000000000000000000005293955920339377100000000000), + COEF_CONST(0.00000000000000000000002646977960169688600000000000), + COEF_CONST(0.00000000000000000000001323488980084844300000000000), + COEF_CONST(0.00000000000000000000000661744490042422140000000000), + COEF_CONST(0.00000000000000000000000330872245021211070000000000), + COEF_CONST(0.00000000000000000000000165436122510605530000000000), + COEF_CONST(0.00000000000000000000000082718061255302767000000000), + COEF_CONST(0.00000000000000000000000041359030627651384000000000), + COEF_CONST(0.00000000000000000000000020679515313825692000000000), + COEF_CONST(0.00000000000000000000000010339757656912846000000000), + COEF_CONST(0.00000000000000000000000005169878828456423000000000), + COEF_CONST(0.00000000000000000000000002584939414228211500000000), + COEF_CONST(0.00000000000000000000000001292469707114105700000000), + COEF_CONST(0.00000000000000000000000000646234853557052870000000), + COEF_CONST(0.00000000000000000000000000323117426778526440000000), + COEF_CONST(0.00000000000000000000000000161558713389263220000000), + COEF_CONST(0.00000000000000000000000000080779356694631609000000), + COEF_CONST(0.00000000000000000000000000040389678347315804000000), + COEF_CONST(0.00000000000000000000000000020194839173657902000000), + COEF_CONST(0.00000000000000000000000000010097419586828951000000), + COEF_CONST(0.00000000000000000000000000005048709793414475600000), + COEF_CONST(0.00000000000000000000000000002524354896707237800000), + COEF_CONST(0.00000000000000000000000000001262177448353618900000), + COEF_CONST(0.00000000000000000000000000000631088724176809440000), + COEF_CONST(0.00000000000000000000000000000315544362088404720000), + COEF_CONST(0.00000000000000000000000000000157772181044202360000), + COEF_CONST(0.00000000000000000000000000000078886090522101181000), + COEF_CONST(0.00000000000000000000000000000039443045261050590000), + COEF_CONST(0.00000000000000000000000000000019721522630525295000), + COEF_CONST(0.00000000000000000000000000000009860761315262647600), + COEF_CONST(0.00000000000000000000000000000004930380657631323800), + COEF_CONST(0.00000000000000000000000000000002465190328815661900), + COEF_CONST(0.00000000000000000000000000000001232595164407830900), + COEF_CONST(0.00000000000000000000000000000000616297582203915470), + COEF_CONST(0.00000000000000000000000000000000308148791101957740), + COEF_CONST(0.00000000000000000000000000000000154074395550978870), + COEF_CONST(0.00000000000000000000000000000000077037197775489434), + COEF_CONST(0.00000000000000000000000000000000038518598887744717), + COEF_CONST(0.00000000000000000000000000000000019259299443872359), + COEF_CONST(0.00000000000000000000000000000000009629649721936179), + COEF_CONST(0.00000000000000000000000000000000004814824860968090), + COEF_CONST(0.00000000000000000000000000000000002407412430484045), + COEF_CONST(0.00000000000000000000000000000000001203706215242022), + COEF_CONST(0.00000000000000000000000000000000000601853107621011), + COEF_CONST(0.00000000000000000000000000000000000300926553810506), + COEF_CONST(0.00000000000000000000000000000000000150463276905253), + COEF_CONST(0.00000000000000000000000000000000000075231638452626), + COEF_CONST(0.00000000000000000000000000000000000037615819226313), + COEF_CONST(0.00000000000000000000000000000000000018807909613157), + COEF_CONST(0.00000000000000000000000000000000000009403954806578), + COEF_CONST(0.00000000000000000000000000000000000004701977403289), + COEF_CONST(0.00000000000000000000000000000000000002350988701645), + COEF_CONST(0.00000000000000000000000000000000000001175494350822), + COEF_CONST(0.0 /* 0000000000000000000000000000000000000587747175411 "floating point underflow" */), + COEF_CONST(0.0) + }; + +#ifdef __cplusplus +} +#endif +#endif + +#endif diff --git a/audio_codec/libfaad/iq_table.h b/audio_codec/libfaad/iq_table.h new file mode 100644 index 0000000..27c44e5 --- a/dev/null +++ b/audio_codec/libfaad/iq_table.h @@ -0,0 +1,16456 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: iq_table.h,v 1.20 2007/11/01 12:33:31 menno Exp $ +**/ + +#ifndef IQ_TABLE_H__ +#define IQ_TABLE_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + + /* !!!DON'T CHANGE IQ_TABLE_SIZE!!! */ + + +#ifndef FIXED_POINT + +#define IQ_TABLE_SIZE 8192 + +#ifdef _MSC_VER +#pragma warning(disable:4305) +#pragma warning(disable:4244) +#endif + + ALIGN static const real_t iq_table[IQ_TABLE_SIZE] = { + 0, + 1, + 2.5198420997897464, + 4.3267487109222245, + 6.3496042078727974, + 8.5498797333834844, + 10.902723556992836, + 13.390518279406722, + 15.999999999999998, + 18.720754407467133, + 21.544346900318832, + 24.463780996262464, + 27.47314182127996, + 30.567350940369842, + 33.741991698453212, + 36.993181114957046, + 40.317473596635935, + 43.711787041189993, + 47.173345095760126, + 50.699631325716943, + 54.288352331898118, + 57.937407704003519, + 61.6448652744185, + 65.408940536585988, + 69.227979374755591, + 73.100443455321638, + 77.024897778591622, + 80.999999999999986, + 85.024491212518527, + 89.097187944889555, + 93.216975178615741, + 97.382800224133163, + 101.59366732596474, + 105.84863288986224, + 110.14680124343441, + 114.4873208566006, + 118.86938096020653, + 123.29220851090024, + 127.75506545836058, + 132.25724627755247, + 136.79807573413572, + 141.37690685569191, + 145.99311908523086, + 150.6461165966291, + 155.33532675434674, + 160.06019870205279, + 164.82020206673349, + 169.61482576651861, + 174.44357691188537, + 179.30597979112557, + 184.20157493201927, + 189.12991823257562, + 194.09058015449685, + 199.08314497371677, + 204.1072100829694, + 209.16238534187647, + 214.24829247050752, + 219.36456448277784, + 224.51084515641216, + 229.6867885365223, + 234.89205847013176, + 240.12632816923249, + 245.38927980018505, + 250.68060409747261, + 255.99999999999991, + 261.34717430828869, + 266.72184136106449, + 272.12372272986045, + 277.55254693037961, + 283.0080491494619, + 288.48997098659891, + 293.99806020902247, + 299.53207051947408, + 305.0917613358298, + 310.67689758182206, + 316.28724948815585, + 321.92259240337177, + 327.58270661385535, + 333.26737717243742, + 338.97639373507025, + 344.70955040510125, + 350.46664558470013, + 356.24748183302603, + 362.05186573075139, + 367.87960775058258, + 373.73052213344511, + 379.60442677002078, + 385.50114308734607, + 391.42049594019937, + 397.36231350702371, + 403.32642719014467, + 409.31267152006262, + 415.32088406360799, + 421.35090533576471, + 427.40257871497619, + 433.4757503617617, + 439.5702691404793, + 445.68598654408271, + 451.82275662172759, + 457.98043590909128, + 464.15888336127773, + 470.35796028818726, + 476.5775302922363, + 482.81745920832043, + 489.07761504591741, + 495.35786793323581, + 501.65809006331688, + 507.97815564200368, + 514.31794083769648, + 520.67732373281672, + 527.05618427690604, + 533.45440424129174, + 539.87186717525128, + 546.30845836361505, + 552.76406478574609, + 559.23857507584194, + 565.73187948450413, + 572.24386984152341, + 578.77443951983378, + 585.32348340058843, + 591.89089783931263, + 598.47658063309257, + 605.08043098876044, + 611.70234949203643, + 618.3422380775919, + 624.99999999999977, + 631.67553980553748, + 638.36876330481164, + 645.07957754617485, + 651.80789078990415, + 658.55361248311499, + 665.31665323538357, + 672.09692479505225, + 678.8943400261943, + 685.70881288621433, + 692.540258404062, + 699.38859265903977, + 706.25373276018058, + 713.13559682617972, + 720.03410396586037, + 726.94917425915435, + 733.88072873858209, + 740.82868937121543, + 747.79297904110535, + 754.77352153216191, + 761.77024151147043, + 768.78306451302956, + 775.81191692189896, + 782.85672595874246, + 789.91741966475445, + 796.99392688695798, + 804.08617726386274, + 811.19410121147098, + 818.31762990962227, + 825.45669528866563, + 832.61123001644864, + 839.78116748561604, + 846.96644180120552, + 854.16698776853514, + 861.38274088137143, + 868.61363731036977, + 875.85961389178203, + 883.12060811641959, + 890.39655811886757, + 897.68740266694181, + 904.99308115138172, + 912.31353357577188, + 919.64870054668756, + 926.99852326405619, + 934.36294351172899, + 941.74190364825859, + 949.13534659787422, + 956.54321584165211, + 963.96545540887348, + 971.40200986856541, + 978.85282432122176, + 986.31784439069588, + 993.7970162162635, + 1001.29028644485, + 1008.797602223418, + 1016.3189111915103, + 1023.8541614739464, + 1031.4033016736653, + 1038.9662808647138, + 1046.5430485853758, + 1054.1335548314366, + 1061.7377500495838, + 1069.3555851309357, + 1076.9870114046978, + 1084.6319806319441, + 1092.2904449995174, + 1099.9623571140482, + 1107.6476699960892, + 1115.3463370743607, + 1123.058312180106, + 1130.7835495415541, + 1138.5220037784854, + 1146.273629896901, + 1154.0383832837879, + 1161.816219701986, + 1169.607095285146, + 1177.4109665327808, + 1185.2277903054078, + 1193.0575238197798, + 1200.9001246442001, + 1208.7555506939248, + 1216.6237602266442, + 1224.5047118380478, + 1232.3983644574657, + 1240.3046773435874, + 1248.2236100802568, + 1256.1551225723395, + 1264.099175041662, + 1272.0557280230228, + 1280.0247423602691, + 1288.0061792024444, + 1295.9999999999995, + 1304.006166501068, + 1312.0246407478062, + 1320.0553850727929, + 1328.0983620954903, + 1336.1535347187651, + 1344.2208661254647, + 1352.3003197750522, + 1360.3918594002962, + 1368.4954490040145, + 1376.6110528558709, + 1384.7386354892244, + 1392.8781616980295, + 1401.0295965337855, + 1409.1929053025353, + 1417.3680535619119, + 1425.5550071182327, + 1433.7537320236374, + 1441.9641945732744, + 1450.1863613025282, + 1458.4201989842913, + 1466.6656746262797, + 1474.9227554683875, + 1483.1914089800841, + 1491.4716028578516, + 1499.7633050226596, + 1508.0664836174794, + 1516.3811070048375, + 1524.7071437644029, + 1533.0445626906128, + 1541.3933327903342, + 1549.7534232805581, + 1558.1248035861302, + 1566.507443337515, + 1574.9013123685909, + 1583.3063807144795, + 1591.7226186094069, + 1600.1499964845941, + 1608.58848496618, + 1617.0380548731737, + 1625.4986772154357, + 1633.9703231916887, + 1642.4529641875577, + 1650.9465717736346, + 1659.4511177035752, + 1667.9665739122186, + 1676.4929125137353, + 1685.030105799801, + 1693.5781262377957, + 1702.136946469027, + 1710.7065393069795, + 1719.2868777355877, + 1727.8779349075323, + 1736.4796841425596, + 1745.092098925825, + 1753.7151529062583, + 1762.3488198949503, + 1770.9930738635628, + 1779.6478889427597, + 1788.3132394206564, + 1796.9890997412947, + 1805.6754445031333, + 1814.3722484575621, + 1823.0794865074322, + 1831.7971337056094, + 1840.5251652535437, + 1849.2635564998579, + 1858.0122829389563, + 1866.7713202096493, + 1875.5406440937966, + 1884.3202305149687, + 1893.110055537124, + 1901.9100953633042, + 1910.7203263343454, + 1919.5407249276057, + 1928.3712677557098, + 1937.2119315653083, + 1946.0626932358525, + 1954.923529778386, + 1963.79441833435, + 1972.6753361744036, + 1981.5662606972594, + 1990.467169428533, + 1999.3780400196069, + 2008.2988502465078, + 2017.2295780087982, + 2026.1702013284819, + 2035.1206983489212, + 2044.0810473337688, + 2053.0512266659125, + 2062.0312148464309, + 2071.0209904935646, + 2080.0205323416958, + 2089.0298192403443, + 2098.0488301531714, + 2107.0775441569995, + 2116.115940440839, + 2125.1639983049317, + 2134.2216971597995, + 2143.2890165253098, + 2152.3659360297484, + 2161.4524354089031, + 2170.5484945051617, + 2179.6540932666144, + 2188.7692117461711, + 2197.8938301006888, + 2207.0279285901042, + 2216.1714875765838, + 2225.324487523676, + 2234.4869089954782, + 2243.6587326558101, + 2252.8399392673982, + 2262.0305096910702, + 2271.2304248849537, + 2280.4396659036897, + 2289.6582138976523, + 2298.8860501121762, + 2308.1231558867926, + 2317.3695126544767, + 2326.6251019409005, + 2335.8899053636933, + 2345.1639046317132, + 2354.4470815443233, + 2363.7394179906792, + 2373.0408959490205, + 2382.3514974859731, + 2391.6712047558558, + 2400.9999999999991, + 2410.3378655460651, + 2419.6847838073813, + 2429.0407372822747, + 2438.4057085534191, + 2447.7796802871858, + 2457.1626352330004, + 2466.5545562227112, + 2475.9554261699564, + 2485.3652280695474, + 2494.7839449968492, + 2504.2115601071737, + 2513.6480566351788, + 2523.0934178942675, + 2532.5476272760025, + 2542.0106682495189, + 2551.482524360948, + 2560.9631792328441, + 2570.4526165636184, + 2579.9508201269791, + 2589.4577737713744, + 2598.9734614194458, + 2608.4978670674823, + 2618.0309747848837, + 2627.5727687136259, + 2637.1232330677353, + 2646.6823521327647, + 2656.2501102652768, + 2665.8264918923328, + 2675.4114815109842, + 2685.0050636877722, + 2694.6072230582295, + 2704.2179443263894, + 2713.8372122642972, + 2723.4650117115279, + 2733.1013275747096, + 2742.7461448270483, + 2752.3994485078601, + 2762.0612237221085, + 2771.7314556399419, + 2781.4101294962406, + 2791.0972305901655, + 2800.7927442847094, + 2810.4966560062589, + 2820.2089512441521, + 2829.9296155502466, + 2839.6586345384894, + 2849.3959938844923, + 2859.1416793251065, + 2868.8956766580086, + 2878.6579717412847, + 2888.4285504930212, + 2898.2073988908974, + 2907.9945029717837, + 2917.789848831344, + 2927.5934226236377, + 2937.4052105607311, + 2947.2251989123079, + 2957.0533740052865, + 2966.8897222234368, + 2976.734230007005, + 2986.5868838523397, + 2996.4476703115197, + 3006.3165759919889, + 3016.1935875561908, + 3026.0786917212095, + 3035.9718752584108, + 3045.8731249930906, + 3055.7824278041207, + 3065.6997706236039, + 3075.625140436528, + 3085.5585242804245, + 3095.4999092450298, + 3105.4492824719491, + 3115.4066311543256, + 3125.3719425365089, + 3135.3452039137287, + 3145.3264026317715, + 3155.3155260866592, + 3165.3125617243295, + 3175.3174970403229, + 3185.3303195794679, + 3195.35101693557, + 3205.3795767511078, + 3215.4159867169251, + 3225.460234571929, + 3235.5123081027928, + 3245.5721951436558, + 3255.63988357583, + 3265.7153613275095, + 3275.7986163734795, + 3285.8896367348289, + 3295.9884104786665, + 3306.0949257178395, + 3316.2091706106517, + 3326.331133360588, + 3336.4608022160378, + 3346.5981654700231, + 3356.7432114599264, + 3366.8959285672249, + 3377.0563052172211, + 3387.2243298787821, + 3397.3999910640764, + 3407.5832773283128, + 3417.7741772694862, + 3427.9726795281199, + 3438.1787727870123, + 3448.3924457709873, + 3458.6136872466445, + 3468.8424860221107, + 3479.0788309467976, + 3489.3227109111554, + 3499.5741148464344, + 3509.8330317244445, + 3520.0994505573185, + 3530.3733603972751, + 3540.6547503363886, + 3550.9436095063534, + 3561.239927078258, + 3571.5436922623535, + 3581.8548943078308, + 3592.1735225025936, + 3602.4995661730372, + 3612.8330146838275, + 3623.1738574376814, + 3633.5220838751502, + 3643.8776834744031, + 3654.2406457510142, + 3664.6109602577494, + 3674.9886165843564, + 3685.3736043573545, + 3695.7659132398294, + 3706.1655329312248, + 3716.5724531671399, + 3726.9866637191262, + 3737.4081543944876, + 3747.8369150360782, + 3758.2729355221072, + 3768.7162057659411, + 3779.1667157159077, + 3789.6244553551055, + 3800.0894147012082, + 3810.5615838062768, + 3821.0409527565694, + 3831.5275116723533, + 3842.0212507077194, + 3852.522160050396, + 3863.0302299215673, + 3873.5454505756893, + 3884.0678123003108, + 3894.5973054158922, + 3905.1339202756285, + 3915.6776472652732, + 3926.2284768029604, + 3936.7863993390338, + 3947.3514053558706, + 3957.9234853677135, + 3968.5026299204969, + 3979.0888295916798, + 3989.6820749900776, + 4000.2823567556948, + 4010.8896655595613, + 4021.5039921035655, + 4032.1253271202945, + 4042.7536613728694, + 4053.3889856547858, + 4064.0312907897551, + 4074.6805676315448, + 4085.3368070638221, + 4095.9999999999982, + 4106.6701373830711, + 4117.347210185475, + 4128.0312094089259, + 4138.722126084268, + 4149.4199512713267, + 4160.1246760587583, + 4170.8362915638982, + 4181.5547889326181, + 4192.2801593391769, + 4203.0123939860741, + 4213.7514841039101, + 4224.4974209512384, + 4235.2501958144258, + 4246.0098000075095, + 4256.7762248720574, + 4267.549461777031, + 4278.3295021186423, + 4289.1163373202198, + 4299.9099588320714, + 4310.7103581313495, + 4321.5175267219138, + 4332.3314561342004, + 4343.152137925088, + 4353.9795636777671, + 4364.8137250016052, + 4375.6546135320223, + 4386.5022209303588, + 4397.3565388837469, + 4408.2175591049827, + 4419.0852733324018, + 4429.9596733297531, + 4440.8407508860728, + 4451.7284978155603, + 4462.6229059574571, + 4473.5239671759227, + 4484.4316733599126, + 4495.3460164230582, + 4506.2669883035496, + 4517.1945809640119, + 4528.1287863913894, + 4539.069596596828, + 4550.0170036155587, + 4560.9709995067806, + 4571.931576353546, + 4582.898726262647, + 4593.8724413645004, + 4604.8527138130348, + 4615.8395357855816, + 4626.8328994827571, + 4637.8327971283588, + 4648.8392209692511, + 4659.8521632752563, + 4670.8716163390473, + 4681.8975724760394, + 4692.9300240242837, + 4703.9689633443595, + 4715.0143828192668, + 4726.0662748543255, + 4737.1246318770682, + 4748.1894463371373, + 4759.2607107061804, + 4770.3384174777493, + 4781.4225591671993, + 4792.5131283115852, + 4803.6101174695614, + 4814.7135192212854, + 4825.8233261683154, + 4836.9395309335096, + 4848.0621261609349, + 4859.1911045157631, + 4870.3264586841779, + 4881.4681813732768, + 4892.6162653109768, + 4903.7707032459193, + 4914.931487947375, + 4926.0986122051509, + 4937.2720688294967, + 4948.4518506510112, + 4959.637950520555, + 4970.8303613091521, + 4982.0290759079044, + 4993.2340872278974, + 5004.4453882001153, + 5015.6629717753467, + 5026.8868309241007, + 5038.1169586365131, + 5049.353347922266, + 5060.5959918104927, + 5071.8448833496996, + 5083.1000156076734, + 5094.3613816713996, + 5105.6289746469747, + 5116.9027876595246, + 5128.18281385312, + 5139.4690463906918, + 5150.7614784539473, + 5162.0601032432933, + 5173.3649139777472, + 5184.6759038948594, + 5195.9930662506322, + 5207.3163943194386, + 5218.6458813939435, + 5229.9815207850224, + 5241.3233058216847, + 5252.6712298509919, + 5264.025286237983, + 5275.3854683655954, + 5286.7517696345885, + 5298.1241834634639, + 5309.5027032883945, + 5320.887322563146, + 5332.2780347589978, + 5343.6748333646756, + 5355.0777118862716, + 5366.4866638471722, + 5377.901682787985, + 5389.3227622664635, + 5400.749895857437, + 5412.1830771527357, + 5423.622299761123, + 5435.067557308219, + 5446.5188434364318, + 5457.9761518048872, + 5469.4394760893592, + 5480.9088099821975, + 5492.3841471922606, + 5503.8654814448455, + 5515.3528064816201, + 5526.846116060552, + 5538.3454039558474, + 5549.8506639578736, + 5561.3618898731029, + 5572.8790755240361, + 5584.4022147491451, + 5595.9313014027975, + 5607.4663293552012, + 5619.0072924923297, + 5630.5541847158656, + 5642.1069999431284, + 5653.665732107017, + 5665.230375155943, + 5676.8009230537655, + 5688.3773697797333, + 5699.9597093284156, + 5711.5479357096474, + 5723.1420429484588, + 5734.7420250850209, + 5746.347876174581, + 5757.9595902874016, + 5769.5771615087006, + 5781.2005839385911, + 5792.8298516920213, + 5804.4649588987149, + 5816.1058997031105, + 5827.7526682643065, + 5839.4052587559972, + 5851.0636653664196, + 5862.7278822982908, + 5874.3979037687541, + 5886.0737240093204, + 5897.7553372658094, + 5909.4427377982956, + 5921.1359198810505, + 5932.8348778024874, + 5944.5396058651031, + 5956.2500983854261, + 5967.9663496939575, + 5979.6883541351208, + 5991.4161060672022, + 6003.1495998623004, + 6014.8888299062692, + 6026.6337905986684, + 6038.3844763527022, + 6050.1408815951781, + 6061.9030007664414, + 6073.6708283203316, + 6085.4443587241267, + 6097.2235864584891, + 6109.0085060174197, + 6120.7991119081998, + 6132.595398651345, + 6144.3973607805519, + 6156.2049928426459, + 6168.0182893975361, + 6179.8372450181578, + 6191.6618542904307, + 6203.4921118132024, + 6215.3280121982016, + 6227.1695500699925, + 6239.0167200659189, + 6250.8695168360628, + 6262.7279350431891, + 6274.5919693627056, + 6286.4616144826068, + 6298.3368651034316, + 6310.2177159382172, + 6322.1041617124456, + 6333.9961971640032, + 6345.8938170431311, + 6357.7970161123785, + 6369.7057891465583, + 6381.6201309327007, + 6393.5400362700075, + 6405.4654999698032, + 6417.3965168554978, + 6429.3330817625329, + 6441.2751895383453, + 6453.2228350423138, + 6465.176013145724, + 6477.134718731716, + 6489.0989466952469, + 6501.0686919430445, + 6513.0439493935628, + 6525.0247139769417, + 6537.010980634961, + 6549.002744321001, + 6560.9999999999973, + 6573.0027426483985, + 6585.0109672541284, + 6597.0246688165371, + 6609.0438423463656, + 6621.0684828657004, + 6633.0985854079354, + 6645.134145017727, + 6657.1751567509573, + 6669.2216156746908, + 6681.2735168671343, + 6693.3308554176001, + 6705.3936264264594, + 6717.461825005108, + 6729.535446275926, + 6741.6144853722335, + 6753.6989374382601, + 6765.7887976290967, + 6777.8840611106634, + 6789.9847230596661, + 6802.0907786635626, + 6814.2022231205201, + 6826.3190516393797, + 6838.4412594396181, + 6850.5688417513074, + 6862.701793815083, + 6874.840110882099, + 6886.9837882139991, + 6899.1328210828724, + 6911.2872047712199, + 6923.4469345719199, + 6935.6120057881863, + 6947.7824137335365, + 6959.9581537317536, + 6972.1392211168532, + 6984.3256112330409, + 6996.5173194346862, + 7008.7143410862773, + 7020.9166715623942, + 7033.1243062476678, + 7045.3372405367481, + 7057.5554698342685, + 7069.7789895548103, + 7082.0077951228714, + 7094.2418819728273, + 7106.4812455489018, + 7118.7258813051285, + 7130.9757847053224, + 7143.2309512230404, + 7155.4913763415516, + 7167.7570555538041, + 7180.0279843623894, + 7192.3041582795131, + 7204.5855728269571, + 7216.8722235360519, + 7229.1641059476406, + 7241.4612156120484, + 7253.7635480890503, + 7266.0710989478375, + 7278.3838637669869, + 7290.7018381344296, + 7303.0250176474174, + 7315.3533979124932, + 7327.6869745454596, + 7340.0257431713462, + 7352.3696994243801, + 7364.7188389479543, + 7377.0731573945968, + 7389.4326504259407, + 7401.7973137126937, + 7414.1671429346061, + 7426.5421337804428, + 7438.922281947951, + 7451.3075831438346, + 7463.6980330837177, + 7476.0936274921214, + 7488.4943621024304, + 7500.9002326568652, + 7513.3112349064522, + 7525.7273646109943, + 7538.1486175390446, + 7550.5749894678729, + 7563.0064761834419, + 7575.4430734803736, + 7587.8847771619248, + 7600.3315830399597, + 7612.7834869349153, + 7625.24048467578, + 7637.7025721000637, + 7650.1697450537677, + 7662.6419993913596, + 7675.1193309757446, + 7687.6017356782404, + 7700.0892093785433, + 7712.5817479647112, + 7725.079347333125, + 7737.5820033884729, + 7750.0897120437139, + 7762.6024692200581, + 7775.1202708469355, + 7787.6431128619733, + 7800.1709912109645, + 7812.7039018478481, + 7825.2418407346768, + 7837.7848038415968, + 7850.3327871468155, + 7862.8857866365806, + 7875.4437983051539, + 7888.006818154784, + 7900.5748421956796, + 7913.1478664459901, + 7925.725886931772, + 7938.3088996869719, + 7950.8969007533951, + 7963.4898861806851, + 7976.0878520262959, + 7988.6907943554688, + 8001.2987092412086, + 8013.911592764257, + 8026.5294410130691, + 8039.1522500837891, + 8051.7800160802271, + 8064.412735113835, + 8077.0504033036796, + 8089.6930167764222, + 8102.3405716662946, + 8114.9930641150731, + 8127.6504902720571, + 8140.3128462940449, + 8152.9801283453098, + 8165.6523325975786, + 8178.3294552300049, + 8191.0114924291529, + 8203.6984403889655, + 8216.3902953107463, + 8229.0870534031419, + 8241.7887108821069, + 8254.4952639708936, + 8267.2067089000211, + 8279.9230419072574, + 8292.6442592375952, + 8305.3703571432306, + 8318.101331883543, + 8330.8371797250657, + 8343.577896941475, + 8356.3234798135582, + 8369.0739246291978, + 8381.8292276833508, + 8394.5893852780209, + 8407.3543937222421, + 8420.1242493320569, + 8432.8989484304948, + 8445.6784873475499, + 8458.4628624201578, + 8471.2520699921806, + 8484.0461064143838, + 8496.8449680444082, + 8509.6486512467636, + 8522.4571523927953, + 8535.270467860666, + 8548.0885940353437, + 8560.9115273085663, + 8573.7392640788403, + 8586.5718007514006, + 8599.4091337382069, + 8612.2512594579148, + 8625.0981743358552, + 8637.9498748040205, + 8650.8063573010386, + 8663.6676182721567, + 8676.533654169225, + 8689.4044614506638, + 8702.2800365814601, + 8715.1603760331418, + 8728.0454762837508, + 8740.9353338178389, + 8753.8299451264356, + 8766.7293067070332, + 8779.6334150635721, + 8792.5422667064158, + 8805.4558581523324, + 8818.3741859244819, + 8831.2972465523908, + 8844.2250365719356, + 8857.1575525253265, + 8870.0947909610859, + 8883.0367484340295, + 8895.9834215052524, + 8908.934806742107, + 8921.8909007181846, + 8934.8517000132997, + 8947.817201213471, + 8960.7874009109, + 8973.7622957039603, + 8986.7418821971733, + 8999.7261570011924, + 9012.7151167327884, + 9025.7087580148236, + 9038.7070774762469, + 9051.7100717520643, + 9064.7177374833282, + 9077.7300713171153, + 9090.7470699065179, + 9103.7687299106146, + 9116.7950479944648, + 9129.8260208290812, + 9142.8616450914233, + 9155.9019174643727, + 9168.9468346367157, + 9181.9963933031358, + 9195.0505901641845, + 9208.1094219262741, + 9221.1728853016557, + 9234.240977008405, + 9247.3136937704076, + 9260.3910323173386, + 9273.472989384647, + 9286.5595617135423, + 9299.6507460509747, + 9312.7465391496207, + 9325.8469377678684, + 9338.9519386698012, + 9352.0615386251757, + 9365.1757344094131, + 9378.2945228035842, + 9391.4179005943843, + 9404.5458645741273, + 9417.6784115407263, + 9430.8155382976747, + 9443.9572416540359, + 9457.1035184244265, + 9470.2543654290002, + 9483.4097794934296, + 9496.5697574488931, + 9509.7342961320664, + 9522.9033923850911, + 9536.0770430555804, + 9549.2552449965824, + 9562.4379950665825, + 9575.6252901294793, + 9588.8171270545736, + 9602.0135027165488, + 9615.2144139954635, + 9628.4198577767274, + 9641.629830951093, + 9654.844330414644, + 9668.0633530687719, + 9681.286895820167, + 9694.5149555808002, + 9707.7475292679192, + 9720.9846138040157, + 9734.2262061168276, + 9747.4723031393187, + 9760.7229018096641, + 9773.9779990712323, + 9787.2375918725811, + 9800.5016771674327, + 9813.7702519146696, + 9827.0433130783094, + 9840.3208576275028, + 9853.602882536512, + 9866.8893847846994, + 9880.1803613565116, + 9893.4758092414686, + 9906.7757254341523, + 9920.0801069341851, + 9933.3889507462245, + 9946.7022538799429, + 9960.0200133500221, + 9973.3422261761298, + 9986.6688893829159, + 9999.9999999999945, + 10013.335555061929, + 10026.675551608221, + 10040.019986683301, + 10053.368857336509, + 10066.722160622081, + 10080.079893599144, + 10093.442053331697, + 10106.808636888598, + 10120.179641343551, + 10133.555063775095, + 10146.934901266595, + 10160.31915090622, + 10173.707809786936, + 10187.100875006496, + 10200.498343667417, + 10213.900212876984, + 10227.306479747222, + 10240.717141394889, + 10254.132194941467, + 10267.551637513146, + 10280.975466240814, + 10294.40367826004, + 10307.836270711066, + 10321.273240738796, + 10334.71458549278, + 10348.160302127204, + 10361.610387800878, + 10375.064839677221, + 10388.523654924258, + 10401.986830714593, + 10415.454364225412, + 10428.926252638465, + 10442.402493140049, + 10455.883082921007, + 10469.368019176709, + 10482.85729910704, + 10496.350919916393, + 10509.848878813653, + 10523.351173012188, + 10536.857799729838, + 10550.3687561889, + 10563.884039616123, + 10577.403647242685, + 10590.927576304197, + 10604.455824040679, + 10617.988387696556, + 10631.525264520642, + 10645.066451766135, + 10658.611946690598, + 10672.161746555956, + 10685.715848628475, + 10699.274250178762, + 10712.836948481747, + 10726.403940816675, + 10739.975224467091, + 10753.550796720834, + 10767.130654870027, + 10780.714796211059, + 10794.303218044579, + 10807.895917675487, + 10821.492892412922, + 10835.094139570248, + 10848.699656465047, + 10862.309440419107, + 10875.923488758415, + 10889.541798813138, + 10903.16436791762, + 10916.791193410372, + 10930.422272634056, + 10944.05760293548, + 10957.697181665582, + 10971.341006179427, + 10984.98907383619, + 10998.641381999149, + 11012.297928035676, + 11025.958709317223, + 11039.623723219316, + 11053.292967121541, + 11066.966438407539, + 11080.64413446499, + 11094.326052685608, + 11108.012190465128, + 11121.702545203296, + 11135.397114303863, + 11149.095895174571, + 11162.798885227143, + 11176.506081877278, + 11190.217482544635, + 11203.933084652828, + 11217.652885629415, + 11231.376882905886, + 11245.105073917659, + 11258.837456104062, + 11272.574026908333, + 11286.314783777601, + 11300.059724162888, + 11313.808845519083, + 11327.562145304952, + 11341.319620983111, + 11355.081270020033, + 11368.847089886023, + 11382.617078055218, + 11396.391232005579, + 11410.169549218874, + 11423.952027180676, + 11437.738663380349, + 11451.529455311042, + 11465.324400469679, + 11479.123496356951, + 11492.926740477304, + 11506.734130338931, + 11520.545663453764, + 11534.361337337466, + 11548.181149509423, + 11562.005097492724, + 11575.83317881417, + 11589.665391004253, + 11603.501731597149, + 11617.342198130715, + 11631.186788146468, + 11645.035499189589, + 11658.888328808911, + 11672.745274556904, + 11686.606333989675, + 11700.471504666955, + 11714.340784152086, + 11728.214170012021, + 11742.091659817312, + 11755.973251142101, + 11769.858941564111, + 11783.748728664636, + 11797.642610028539, + 11811.540583244237, + 11825.442645903697, + 11839.34879560242, + 11853.259029939445, + 11867.173346517333, + 11881.091742942155, + 11895.014216823492, + 11908.940765774427, + 11922.871387411526, + 11936.806079354839, + 11950.744839227897, + 11964.687664657684, + 11978.634553274653, + 11992.585502712702, + 12006.540510609168, + 12020.499574604828, + 12034.462692343877, + 12048.429861473938, + 12062.401079646032, + 12076.376344514589, + 12090.355653737433, + 12104.339004975769, + 12118.326395894188, + 12132.317824160644, + 12146.313287446457, + 12160.312783426305, + 12174.316309778205, + 12188.323864183525, + 12202.335444326955, + 12216.351047896511, + 12230.370672583531, + 12244.394316082657, + 12258.421976091831, + 12272.453650312296, + 12286.489336448574, + 12300.529032208471, + 12314.572735303058, + 12328.620443446678, + 12342.672154356922, + 12356.727865754638, + 12370.787575363909, + 12384.851280912055, + 12398.918980129623, + 12412.990670750381, + 12427.066350511306, + 12441.146017152583, + 12455.229668417589, + 12469.317302052901, + 12483.40891580827, + 12497.50450743663, + 12511.604074694078, + 12525.707615339878, + 12539.815127136444, + 12553.926607849342, + 12568.042055247275, + 12582.161467102082, + 12596.284841188726, + 12610.41217528529, + 12624.543467172971, + 12638.678714636069, + 12652.817915461985, + 12666.961067441209, + 12681.108168367316, + 12695.259216036962, + 12709.414208249869, + 12723.573142808827, + 12737.736017519681, + 12751.902830191326, + 12766.073578635704, + 12780.248260667788, + 12794.426874105588, + 12808.609416770132, + 12822.795886485468, + 12836.986281078653, + 12851.180598379744, + 12865.378836221802, + 12879.580992440871, + 12893.787064875984, + 12907.997051369144, + 12922.210949765335, + 12936.428757912496, + 12950.650473661524, + 12964.876094866273, + 12979.105619383534, + 12993.339045073039, + 13007.576369797454, + 13021.817591422368, + 13036.062707816285, + 13050.311716850629, + 13064.564616399723, + 13078.821404340792, + 13093.082078553954, + 13107.346636922217, + 13121.615077331464, + 13135.887397670458, + 13150.163595830827, + 13164.44366970706, + 13178.727617196502, + 13193.015436199352, + 13207.307124618648, + 13221.602680360265, + 13235.902101332911, + 13250.205385448118, + 13264.512530620239, + 13278.823534766434, + 13293.138395806676, + 13307.457111663734, + 13321.779680263176, + 13336.106099533356, + 13350.436367405409, + 13364.77048181325, + 13379.108440693562, + 13393.450241985796, + 13407.795883632158, + 13422.145363577607, + 13436.498679769853, + 13450.855830159346, + 13465.216812699266, + 13479.581625345529, + 13493.950266056772, + 13508.32273279435, + 13522.699023522329, + 13537.079136207483, + 13551.463068819286, + 13565.850819329906, + 13580.2423857142, + 13594.63776594971, + 13609.036958016657, + 13623.439959897927, + 13637.846769579081, + 13652.257385048335, + 13666.67180429656, + 13681.090025317284, + 13695.512046106669, + 13709.937864663521, + 13724.367478989278, + 13738.800887088004, + 13753.238086966385, + 13767.679076633727, + 13782.123854101939, + 13796.572417385545, + 13811.024764501659, + 13825.480893469998, + 13839.94080231286, + 13854.404489055134, + 13868.871951724283, + 13883.34318835034, + 13897.818196965914, + 13912.296975606168, + 13926.779522308825, + 13941.26583511416, + 13955.755912064991, + 13970.249751206682, + 13984.747350587126, + 13999.248708256751, + 14013.753822268511, + 14028.262690677873, + 14042.775311542828, + 14057.291682923867, + 14071.811802883994, + 14086.335669488704, + 14100.863280805994, + 14115.394634906341, + 14129.92972986271, + 14144.468563750548, + 14159.01113464777, + 14173.55744063476, + 14188.107479794369, + 14202.661250211901, + 14217.218749975118, + 14231.779977174227, + 14246.344929901879, + 14260.913606253163, + 14275.486004325601, + 14290.062122219146, + 14304.641958036171, + 14319.225509881464, + 14333.812775862236, + 14348.403754088098, + 14362.998442671067, + 14377.59683972556, + 14392.198943368388, + 14406.804751718748, + 14421.414262898223, + 14436.027475030774, + 14450.64438624274, + 14465.264994662828, + 14479.889298422106, + 14494.517295654005, + 14509.148984494313, + 14523.784363081166, + 14538.423429555049, + 14553.066182058781, + 14567.712618737527, + 14582.362737738777, + 14597.016537212348, + 14611.674015310382, + 14626.33517018734, + 14640.999999999993, + 14655.668502907418, + 14670.340677071003, + 14685.016520654426, + 14699.696031823671, + 14714.379208746999, + 14729.066049594967, + 14743.756552540408, + 14758.45071575843, + 14773.148537426418, + 14787.850015724018, + 14802.555148833142, + 14817.263934937961, + 14831.976372224897, + 14846.692458882624, + 14861.41219310206, + 14876.135573076363, + 14890.862597000923, + 14905.593263073371, + 14920.327569493558, + 14935.065514463557, + 14949.807096187662, + 14964.552312872382, + 14979.301162726431, + 14994.053643960735, + 15008.809754788414, + 15023.569493424788, + 15038.332858087369, + 15053.099846995858, + 15067.870458372134, + 15082.644690440264, + 15097.422541426484, + 15112.204009559202, + 15126.989093068994, + 15141.777790188597, + 15156.570099152905, + 15171.366018198967, + 15186.165545565986, + 15200.968679495301, + 15215.775418230402, + 15230.585760016909, + 15245.399703102579, + 15260.217245737298, + 15275.038386173073, + 15289.863122664035, + 15304.691453466432, + 15319.523376838621, + 15334.358891041069, + 15349.197994336346, + 15364.040684989128, + 15378.886961266177, + 15393.736821436356, + 15408.590263770609, + 15423.447286541972, + 15438.307888025554, + 15453.172066498542, + 15468.039820240196, + 15482.91114753184, + 15497.786046656869, + 15512.664515900733, + 15527.546553550939, + 15542.432157897045, + 15557.32132723066, + 15572.214059845435, + 15587.110354037064, + 15602.010208103273, + 15616.913620343823, + 15631.820589060506, + 15646.731112557136, + 15661.645189139546, + 15676.562817115593, + 15691.483994795139, + 15706.408720490062, + 15721.336992514242, + 15736.268809183561, + 15751.204168815901, + 15766.143069731135, + 15781.085510251132, + 15796.03148869974, + 15810.981003402798, + 15825.934052688119, + 15840.890634885489, + 15855.850748326673, + 15870.814391345401, + 15885.781562277361, + 15900.752259460214, + 15915.726481233565, + 15930.704225938984, + 15945.685491919978, + 15960.670277522009, + 15975.658581092481, + 15990.65040098073, + 16005.645735538035, + 16020.644583117599, + 16035.646942074556, + 16050.652810765967, + 16065.662187550806, + 16080.675070789974, + 16095.691458846273, + 16110.711350084424, + 16125.734742871053, + 16140.761635574685, + 16155.792026565747, + 16170.825914216561, + 16185.863296901338, + 16200.904172996183, + 16215.948540879079, + 16230.996398929899, + 16246.047745530386, + 16261.102579064163, + 16276.160897916721, + 16291.22270047542, + 16306.287985129484, + 16321.356750269995, + 16336.428994289896, + 16351.504715583982, + 16366.5839125489, + 16381.666583583141, + 16396.752727087041, + 16411.842341462776, + 16426.935425114363, + 16442.031976447644, + 16457.131993870298, + 16472.235475791829, + 16487.342420623561, + 16502.452826778641, + 16517.566692672033, + 16532.684016720516, + 16547.804797342676, + 16562.929032958902, + 16578.056721991394, + 16593.18786286415, + 16608.322454002962, + 16623.460493835417, + 16638.601980790896, + 16653.746913300558, + 16668.895289797354, + 16684.047108716015, + 16699.202368493046, + 16714.361067566726, + 16729.523204377107, + 16744.688777366009, + 16759.857784977012, + 16775.030225655464, + 16790.206097848466, + 16805.385400004874, + 16820.568130575302, + 16835.754288012104, + 16850.943870769381, + 16866.136877302983, + 16881.333306070494, + 16896.53315553123, + 16911.736424146249, + 16926.943110378332, + 16942.153212691992, + 16957.366729553454, + 16972.583659430682, + 16987.804000793338, + 17003.027752112816, + 17018.254911862205, + 17033.485478516312, + 17048.719450551645, + 17063.956826446421, + 17079.197604680547, + 17094.44178373563, + 17109.689362094967, + 17124.940338243552, + 17140.194710668064, + 17155.452477856852, + 17170.713638299967, + 17185.978190489128, + 17201.246132917724, + 17216.517464080825, + 17231.792182475165, + 17247.070286599141, + 17262.351774952826, + 17277.636646037936, + 17292.924898357855, + 17308.216530417623, + 17323.511540723921, + 17338.809927785089, + 17354.111690111105, + 17369.416826213594, + 17384.725334605821, + 17400.037213802683, + 17415.352462320716, + 17430.67107867809, + 17445.993061394587, + 17461.318408991636, + 17476.647119992274, + 17491.979192921168, + 17507.314626304586, + 17522.653418670423, + 17537.995568548187, + 17553.341074468986, + 17568.689934965536, + 17584.042148572156, + 17599.397713824768, + 17614.75662926089, + 17630.118893419625, + 17645.484504841683, + 17660.853462069354, + 17676.225763646511, + 17691.601408118619, + 17706.980394032718, + 17722.362719937424, + 17737.748384382936, + 17753.137385921014, + 17768.529723104999, + 17783.92539448979, + 17799.324398631856, + 17814.726734089225, + 17830.13239942148, + 17845.541393189767, + 17860.95371395678, + 17876.369360286772, + 17891.788330745527, + 17907.210623900395, + 17922.636238320254, + 17938.065172575527, + 17953.497425238176, + 17968.932994881692, + 17984.371880081104, + 17999.814079412972, + 18015.259591455371, + 18030.708414787914, + 18046.160547991731, + 18061.615989649465, + 18077.074738345284, + 18092.536792664861, + 18108.002151195393, + 18123.470812525571, + 18138.942775245599, + 18154.418037947191, + 18169.896599223546, + 18185.37845766938, + 18200.863611880886, + 18216.352060455767, + 18231.843801993204, + 18247.338835093873, + 18262.837158359936, + 18278.338770395032, + 18293.84366980429, + 18309.351855194309, + 18324.863325173166, + 18340.378078350412, + 18355.896113337069, + 18371.417428745623, + 18386.942023190033, + 18402.469895285718, + 18418.00104364955, + 18433.53546689987, + 18449.073163656474, + 18464.614132540602, + 18480.158372174956, + 18495.705881183676, + 18511.256658192357, + 18526.810701828035, + 18542.368010719183, + 18557.928583495715, + 18573.492418788985, + 18589.059515231773, + 18604.629871458303, + 18620.203486104212, + 18635.78035780658, + 18651.360485203899, + 18666.943866936086, + 18682.53050164448, + 18698.120387971841, + 18713.713524562332, + 18729.30991006154, + 18744.909543116457, + 18760.512422375479, + 18776.118546488418, + 18791.727914106479, + 18807.340523882274, + 18822.95637446981, + 18838.575464524489, + 18854.197792703111, + 18869.823357663863, + 18885.452158066328, + 18901.08419257147, + 18916.719459841639, + 18932.357958540564, + 18947.999687333362, + 18963.644644886521, + 18979.292829867907, + 18994.944240946759, + 19010.598876793687, + 19026.256736080668, + 19041.917817481048, + 19057.582119669532, + 19073.2496413222, + 19088.920381116473, + 19104.594337731145, + 19120.271509846356, + 19135.951896143604, + 19151.635495305738, + 19167.322306016948, + 19183.012326962784, + 19198.705556830122, + 19214.401994307198, + 19230.101638083579, + 19245.804486850167, + 19261.510539299208, + 19277.219794124274, + 19292.932250020265, + 19308.647905683421, + 19324.366759811302, + 19340.088811102793, + 19355.8140582581, + 19371.542499978754, + 19387.2741349676, + 19403.008961928797, + 19418.746979567823, + 19434.488186591469, + 19450.232581707827, + 19465.980163626304, + 19481.730931057613, + 19497.484882713761, + 19513.242017308068, + 19529.002333555141, + 19544.765830170898, + 19560.532505872539, + 19576.302359378566, + 19592.075389408761, + 19607.851594684209, + 19623.630973927269, + 19639.41352586159, + 19655.199249212103, + 19670.988142705017, + 19686.780205067826, + 19702.575435029288, + 19718.373831319448, + 19734.175392669615, + 19749.980117812371, + 19765.788005481569, + 19781.599054412323, + 19797.413263341008, + 19813.230631005274, + 19829.051156144014, + 19844.874837497395, + 19860.701673806827, + 19876.531663814985, + 19892.364806265789, + 19908.201099904403, + 19924.040543477258, + 19939.883135732012, + 19955.728875417579, + 19971.577761284105, + 19987.429792082985, + 20003.284966566847, + 20019.14328348956, + 20035.004741606219, + 20050.869339673161, + 20066.737076447946, + 20082.607950689362, + 20098.481961157428, + 20114.359106613385, + 20130.239385819699, + 20146.122797540058, + 20162.009340539353, + 20177.899013583716, + 20193.791815440476, + 20209.687744878182, + 20225.586800666591, + 20241.488981576669, + 20257.394286380597, + 20273.302713851754, + 20289.214262764715, + 20305.128931895277, + 20321.046720020415, + 20336.967625918318, + 20352.891648368361, + 20368.818786151114, + 20384.749038048347, + 20400.682402843009, + 20416.618879319249, + 20432.558466262391, + 20448.501162458953, + 20464.446966696629, + 20480.395877764302, + 20496.347894452025, + 20512.303015551031, + 20528.261239853735, + 20544.22256615372, + 20560.186993245738, + 20576.15451992572, + 20592.125144990758, + 20608.098867239107, + 20624.075685470198, + 20640.055598484618, + 20656.038605084115, + 20672.024704071595, + 20688.013894251126, + 20704.006174427926, + 20720.001543408373, + 20735.999999999989, + 20752.001543011454, + 20768.006171252597, + 20784.013883534382, + 20800.024678668931, + 20816.038555469506, + 20832.055512750507, + 20848.075549327474, + 20864.098664017085, + 20880.124855637161, + 20896.154123006647, + 20912.186464945626, + 20928.221880275312, + 20944.260367818049, + 20960.301926397311, + 20976.346554837684, + 20992.394251964895, + 21008.445016605787, + 21024.498847588318, + 21040.555743741574, + 21056.615703895754, + 21072.678726882168, + 21088.744811533252, + 21104.813956682538, + 21120.886161164683, + 21136.961423815443, + 21153.039743471683, + 21169.121118971379, + 21185.205549153605, + 21201.293032858535, + 21217.383568927453, + 21233.477156202731, + 21249.573793527841, + 21265.673479747358, + 21281.776213706937, + 21297.881994253334, + 21313.990820234398, + 21330.102690499054, + 21346.21760389733, + 21362.335559280327, + 21378.456555500241, + 21394.580591410333, + 21410.707665864964, + 21426.83777771956, + 21442.970925830628, + 21459.107109055756, + 21475.246326253604, + 21491.388576283895, + 21507.533858007431, + 21523.682170286087, + 21539.833511982797, + 21555.987881961566, + 21572.145279087465, + 21588.305702226615, + 21604.469150246216, + 21620.635622014521, + 21636.805116400832, + 21652.977632275521, + 21669.153168510009, + 21685.331723976764, + 21701.513297549318, + 21717.697888102244, + 21733.885494511167, + 21750.076115652759, + 21766.269750404736, + 21782.466397645861, + 21798.666056255934, + 21814.868725115801, + 21831.074403107345, + 21847.283089113484, + 21863.494782018177, + 21879.709480706417, + 21895.927184064229, + 21912.147890978667, + 21928.371600337818, + 21944.598311030797, + 21960.828021947746, + 21977.060731979829, + 21993.296440019243, + 22009.535144959198, + 22025.77684569393, + 22042.021541118691, + 22058.269230129757, + 22074.519911624411, + 22090.773584500959, + 22107.030247658717, + 22123.289899998013, + 22139.552540420187, + 22155.818167827587, + 22172.086781123569, + 22188.358379212495, + 22204.632960999726, + 22220.910525391639, + 22237.191071295601, + 22253.474597619981, + 22269.761103274148, + 22286.050587168469, + 22302.343048214312, + 22318.638485324027, + 22334.936897410968, + 22351.23828338947, + 22367.542642174871, + 22383.849972683485, + 22400.160273832618, + 22416.473544540564, + 22432.789783726603, + 22449.108990310986, + 22465.431163214958, + 22481.75630136074, + 22498.084403671528, + 22514.415469071497, + 22530.749496485802, + 22547.086484840562, + 22563.426433062879, + 22579.769340080824, + 22596.115204823436, + 22612.464026220721, + 22628.815803203655, + 22645.170534704179, + 22661.5282196552, + 22677.888856990587, + 22694.252445645168, + 22710.618984554734, + 22726.988472656034, + 22743.360908886778, + 22759.736292185622, + 22776.114621492186, + 22792.495895747044, + 22808.880113891719, + 22825.267274868678, + 22841.657377621348, + 22858.050421094096, + 22874.446404232243, + 22890.845325982053, + 22907.247185290722, + 22923.651981106406, + 22940.059712378195, + 22956.470378056114, + 22972.883977091129, + 22989.300508435153, + 23005.719971041017, + 23022.142363862498, + 23038.567685854305, + 23054.995935972078, + 23071.427113172387, + 23087.86121641273, + 23104.298244651531, + 23120.738196848146, + 23137.181071962848, + 23153.626868956846, + 23170.075586792263, + 23186.527224432142, + 23202.981780840448, + 23219.439254982066, + 23235.899645822796, + 23252.362952329357, + 23268.829173469378, + 23285.298308211408, + 23301.770355524899, + 23318.245314380223, + 23334.723183748658, + 23351.203962602387, + 23367.687649914504, + 23384.174244659007, + 23400.663745810798, + 23417.15615234568, + 23433.651463240367, + 23450.149677472462, + 23466.650794020472, + 23483.154811863806, + 23499.661729982763, + 23516.171547358543, + 23532.684262973235, + 23549.199875809823, + 23565.718384852185, + 23582.239789085092, + 23598.764087494197, + 23615.291279066041, + 23631.821362788058, + 23648.354337648565, + 23664.890202636761, + 23681.428956742733, + 23697.970598957443, + 23714.515128272738, + 23731.062543681343, + 23747.612844176863, + 23764.166028753778, + 23780.72209640744, + 23797.281046134085, + 23813.842876930816, + 23830.407587795606, + 23846.975177727301, + 23863.545645725622, + 23880.11899079115, + 23896.695211925336, + 23913.274308130498, + 23929.856278409821, + 23946.441121767348, + 23963.028837207989, + 23979.619423737513, + 23996.212880362549, + 24012.809206090584, + 24029.408399929966, + 24046.010460889898, + 24062.615387980433, + 24079.223180212492, + 24095.833836597827, + 24112.447356149063, + 24129.063737879667, + 24145.682980803951, + 24162.305083937081, + 24178.930046295067, + 24195.557866894767, + 24212.188544753884, + 24228.822078890964, + 24245.458468325389, + 24262.097712077397, + 24278.739809168052, + 24295.384758619261, + 24312.032559453768, + 24328.683210695162, + 24345.336711367858, + 24361.993060497109, + 24378.652257108995, + 24395.314300230442, + 24411.979188889192, + 24428.646922113825, + 24445.317498933746, + 24461.990918379193, + 24478.667179481225, + 24495.346281271726, + 24512.028222783407, + 24528.713003049801, + 24545.400621105266, + 24562.091075984976, + 24578.784366724925, + 24595.480492361927, + 24612.179451933614, + 24628.881244478438, + 24645.585869035654, + 24662.293324645343, + 24679.003610348394, + 24695.716725186514, + 24712.432668202211, + 24729.151438438807, + 24745.873034940436, + 24762.597456752032, + 24779.324702919344, + 24796.054772488926, + 24812.787664508123, + 24829.5233780251, + 24846.261912088819, + 24863.003265749034, + 24879.747438056307, + 24896.494428062004, + 24913.244234818278, + 24929.996857378079, + 24946.752294795166, + 24963.510546124078, + 24980.271610420157, + 24997.035486739525, + 25013.802174139113, + 25030.571671676629, + 25047.343978410572, + 25064.119093400237, + 25080.897015705697, + 25097.677744387816, + 25114.461278508239, + 25131.2476171294, + 25148.036759314517, + 25164.828704127583, + 25181.623450633375, + 25198.42099789745, + 25215.221344986145, + 25232.024490966574, + 25248.830434906627, + 25265.639175874974, + 25282.450712941049, + 25299.265045175071, + 25316.082171648024, + 25332.902091431668, + 25349.724803598532, + 25366.550307221914, + 25383.378601375884, + 25400.209685135269, + 25417.043557575678, + 25433.880217773472, + 25450.719664805783, + 25467.561897750507, + 25484.406915686297, + 25501.254717692573, + 25518.105302849512, + 25534.958670238051, + 25551.814818939893, + 25568.67374803748, + 25585.535456614027, + 25602.399943753502, + 25619.267208540619, + 25636.137250060852, + 25653.010067400432, + 25669.885659646327, + 25686.76402588627, + 25703.645165208734, + 25720.529076702944, + 25737.415759458876, + 25754.305212567244, + 25771.197435119517, + 25788.092426207899, + 25804.990184925344, + 25821.890710365547, + 25838.794001622944, + 25855.700057792714, + 25872.608877970775, + 25889.520461253778, + 25906.434806739118, + 25923.351913524923, + 25940.271780710063, + 25957.194407394138, + 25974.11979267748, + 25991.047935661154, + 26007.978835446964, + 26024.912491137442, + 26041.848901835841, + 26058.788066646157, + 26075.729984673108, + 26092.674655022136, + 26109.622076799409, + 26126.572249111829, + 26143.525171067016, + 26160.480841773315, + 26177.43926033979, + 26194.400425876229, + 26211.364337493149, + 26228.330994301767, + 26245.30039541404, + 26262.272539942627, + 26279.247427000919, + 26296.225055703002, + 26313.205425163702, + 26330.188534498539, + 26347.174382823756, + 26364.162969256304, + 26381.154292913852, + 26398.148352914774, + 26415.145148378149, + 26432.144678423778, + 26449.146942172156, + 26466.151938744493, + 26483.159667262702, + 26500.170126849403, + 26517.183316627921, + 26534.199235722277, + 26551.217883257199, + 26568.239258358124, + 26585.263360151173, + 26602.290187763181, + 26619.319740321676, + 26636.352016954883, + 26653.387016791727, + 26670.424738961825, + 26687.465182595493, + 26704.508346823739, + 26721.554230778267, + 26738.602833591467, + 26755.65415439643, + 26772.708192326929, + 26789.764946517433, + 26806.824416103096, + 26823.886600219761, + 26840.95149800396, + 26858.019108592915, + 26875.089431124517, + 26892.162464737365, + 26909.238208570721, + 26926.316661764544, + 26943.397823459472, + 26960.481692796813, + 26977.568268918571, + 26994.657550967422, + 27011.749538086722, + 27028.844229420498, + 27045.941624113464, + 27063.041721311005, + 27080.144520159181, + 27097.250019804727, + 27114.35821939505, + 27131.469118078236, + 27148.582715003027, + 27165.699009318858, + 27182.818000175819, + 27199.939686724665, + 27217.064068116837, + 27234.191143504428, + 27251.320912040203, + 27268.453372877593, + 27285.588525170693, + 27302.726368074269, + 27319.866900743735, + 27337.010122335181, + 27354.156032005358, + 27371.304628911668, + 27388.455912212183, + 27405.609881065626, + 27422.766534631384, + 27439.925872069507, + 27457.087892540683, + 27474.252595206275, + 27491.419979228293, + 27508.5900437694, + 27525.762787992917, + 27542.93821106281, + 27560.116312143706, + 27577.297090400876, + 27594.480545000242, + 27611.666675108383, + 27628.855479892518, + 27646.046958520514, + 27663.241110160889, + 27680.437933982801, + 27697.637429156068, + 27714.839594851132, + 27732.04443023909, + 27749.251934491687, + 27766.462106781299, + 27783.674946280949, + 27800.890452164302, + 27818.108623605654, + 27835.329459779954, + 27852.55295986278, + 27869.779123030345, + 27887.007948459504, + 27904.239435327745, + 27921.473582813196, + 27938.710390094613, + 27955.949856351392, + 27973.19198076355, + 27990.436762511745, + 28007.684200777272, + 28024.934294742041, + 28042.187043588601, + 28059.442446500128, + 28076.700502660427, + 28093.961211253929, + 28111.224571465693, + 28128.490582481401, + 28145.759243487362, + 28163.030553670509, + 28180.304512218394, + 28197.581118319198, + 28214.860371161725, + 28232.14226993539, + 28249.42681383024, + 28266.71400203693, + 28284.003833746745, + 28301.296308151585, + 28318.591424443959, + 28335.889181817001, + 28353.189579464462, + 28370.492616580705, + 28387.798292360701, + 28405.106606000048, + 28422.417556694945, + 28439.731143642206, + 28457.047366039264, + 28474.366223084147, + 28491.687713975512, + 28509.011837912611, + 28526.338594095305, + 28543.667981724069, + 28560.999999999982, + 28578.334648124732, + 28595.671925300605, + 28613.011830730498, + 28630.354363617909, + 28647.699523166943, + 28665.0473085823, + 28682.397719069289, + 28699.750753833818, + 28717.10641208239, + 28734.464693022121, + 28751.825595860708, + 28769.189119806462, + 28786.55526406828, + 28803.924027855664, + 28821.295410378701, + 28838.669410848088, + 28856.046028475103, + 28873.425262471628, + 28890.80711205013, + 28908.191576423673, + 28925.578654805915, + 28942.968346411097, + 28960.360650454055, + 28977.755566150216, + 28995.153092715591, + 29012.553229366786, + 29029.955975320987, + 29047.361329795975, + 29064.769292010107, + 29082.179861182336, + 29099.593036532187, + 29117.00881727978, + 29134.427202645813, + 29151.848191851568, + 29169.271784118911, + 29186.697978670283, + 29204.126774728706, + 29221.55817151779, + 29238.992168261717, + 29256.42876418525, + 29273.867958513725, + 29291.309750473058, + 29308.754139289747, + 29326.201124190855, + 29343.65070440403, + 29361.102879157483, + 29378.557647680012, + 29396.015009200975, + 29413.474962950309, + 29430.937508158524, + 29448.402644056692, + 29465.870369876469, + 29483.340684850071, + 29500.81358821028, + 29518.289079190454, + 29535.767157024511, + 29553.247820946945, + 29570.731070192807, + 29588.216903997723, + 29605.70532159787, + 29623.19632223, + 29640.689905131429, + 29658.186069540028, + 29675.684814694236, + 29693.186139833047, + 29710.690044196028, + 29728.196527023298, + 29745.705587555527, + 29763.217225033964, + 29780.731438700397, + 29798.248227797183, + 29815.76759156723, + 29833.289529254005, + 29850.81404010153, + 29868.341123354381, + 29885.870778257693, + 29903.403004057145, + 29920.937799998974, + 29938.475165329975, + 29956.015099297485, + 29973.557601149394, + 29991.102670134147, + 30008.650305500738, + 30026.200506498706, + 30043.753272378144, + 30061.308602389683, + 30078.866495784507, + 30096.426951814352, + 30113.989969731494, + 30131.55554878875, + 30149.123688239491, + 30166.694387337629, + 30184.267645337608, + 30201.843461494434, + 30219.42183506364, + 30237.002765301309, + 30254.586251464058, + 30272.172292809046, + 30289.760888593977, + 30307.35203807709, + 30324.94574051716, + 30342.541995173502, + 30360.140801305966, + 30377.742158174944, + 30395.346065041358, + 30412.952521166666, + 30430.561525812864, + 30448.173078242475, + 30465.787177718561, + 30483.403823504719, + 30501.02301486507, + 30518.644751064272, + 30536.269031367516, + 30553.895855040515, + 30571.525221349519, + 30589.157129561307, + 30606.791578943175, + 30624.428568762964, + 30642.06809828903, + 30659.710166790261, + 30677.35477353607, + 30695.001917796391, + 30712.651598841687, + 30730.303815942945, + 30747.958568371676, + 30765.615855399912, + 30783.275676300211, + 30800.938030345646, + 30818.602916809814, + 30836.270334966837, + 30853.940284091354, + 30871.612763458521, + 30889.287772344011, + 30906.965310024025, + 30924.645375775272, + 30942.327968874983, + 30960.013088600903, + 30977.700734231294, + 30995.390905044929, + 31013.083600321101, + 31030.778819339619, + 31048.476561380798, + 31066.17682572547, + 31083.879611654978, + 31101.584918451179, + 31119.29274539644, + 31137.003091773637, + 31154.715956866155, + 31172.431339957893, + 31190.14924033326, + 31207.869657277162, + 31225.592590075023, + 31243.318038012771, + 31261.046000376838, + 31278.776476454172, + 31296.50946553221, + 31314.24496689891, + 31331.98297984272, + 31349.7235036526, + 31367.466537618013, + 31385.212081028923, + 31402.960133175795, + 31420.710693349596, + 31438.463760841791, + 31456.219334944351, + 31473.977414949743, + 31491.738000150934, + 31509.501089841389, + 31527.266683315069, + 31545.034779866437, + 31562.80537879045, + 31580.578479382562, + 31598.35408093872, + 31616.132182755369, + 31633.91278412945, + 31651.695884358396, + 31669.481482740131, + 31687.269578573076, + 31705.060171156143, + 31722.853259788735, + 31740.648843770748, + 31758.446922402567, + 31776.247494985066, + 31794.050560819614, + 31811.85611920806, + 31829.664169452753, + 31847.474710856521, + 31865.287742722685, + 31883.103264355046, + 31900.921275057899, + 31918.741774136019, + 31936.564760894671, + 31954.390234639599, + 31972.21819467704, + 31990.048640313704, + 32007.881570856793, + 32025.716985613984, + 32043.554883893445, + 32061.395265003815, + 32079.238128254223, + 32097.083472954269, + 32114.931298414049, + 32132.781603944117, + 32150.634388855524, + 32168.48965245979, + 32186.347394068915, + 32204.207612995371, + 32222.07030855212, + 32239.935480052583, + 32257.803126810672, + 32275.673248140767, + 32293.545843357719, + 32311.420911776862, + 32329.298452713996, + 32347.178465485395, + 32365.060949407813, + 32382.945903798463, + 32400.83332797504, + 32418.723221255706, + 32436.615582959093, + 32454.510412404306, + 32472.407708910916, + 32490.307471798966, + 32508.209700388961, + 32526.114394001877, + 32544.021551959166, + 32561.931173582732, + 32579.843258194956, + 32597.757805118679, + 32615.674813677211, + 32633.594283194328, + 32651.516212994258, + 32669.440602401712, + 32687.367450741847, + 32705.296757340297, + 32723.228521523146, + 32741.162742616943, + 32759.099419948703, + 32777.038552845901, + 32794.980140636464, + 32812.924182648792, + 32830.87067821173, + 32848.819626654593, + 32866.77102730715, + 32884.724879499619, + 32902.681182562686, + 32920.639935827494, + 32938.601138625643, + 32956.56479028918, + 32974.530890150607, + 32992.499437542894, + 33010.470431799447, + 33028.443872254145, + 33046.419758241311, + 33064.39808909571, + 33082.378864152583, + 33100.36208274759, + 33118.347744216881, + 33136.335847897026, + 33154.326393125062, + 33172.31937923847, + 33190.314805575174, + 33208.312671473555, + 33226.312976272442, + 33244.315719311111, + 33262.320899929284, + 33280.328517467125, + 33298.33857126526, + 33316.351060664747, + 33334.365985007091, + 33352.383343634239, + 33370.403135888591, + 33388.42536111299, + 33406.450018650721, + 33424.477107845501, + 33442.506628041512, + 33460.53857858335, + 33478.572958816083, + 33496.609768085189, + 33514.649005736617, + 33532.690671116739, + 33550.734763572356, + 33568.781282450735, + 33586.830227099563, + 33604.881596866973, + 33622.935391101528, + 33640.991609152239, + 33659.050250368542, + 33677.111314100322, + 33695.174799697881, + 33713.240706511984, + 33731.309033893805, + 33749.37978119497, + 33767.452947767531, + 33785.528532963974, + 33803.606536137209, + 33821.686956640602, + 33839.769793827938, + 33857.855047053425, + 33875.942715671707, + 33894.032799037872, + 33912.125296507431, + 33930.220207436316, + 33948.317531180888, + 33966.417267097961, + 33984.519414544746, + 34002.623972878901, + 34020.730941458511, + 34038.840319642077, + 34056.952106788536, + 34075.066302257255, + 34093.182905408015, + 34111.301915601027, + 34129.42333219693, + 34147.547154556785, + 34165.673382042078, + 34183.80201401472, + 34201.933049837033, + 34220.06648887178, + 34238.202330482141, + 34256.340574031703, + 34274.481218884495, + 34292.624264404949, + 34310.769709957938, + 34328.91755490873, + 34347.067798623029, + 34365.220440466954, + 34383.375479807051, + 34401.532916010263, + 34419.692748443973, + 34437.854976475966, + 34456.01959947445, + 34474.18661680806, + 34492.356027845817, + 34510.527831957188, + 34528.702028512052, + 34546.878616880676, + 34565.05759643377, + 34583.238966542449, + 34601.422726578232, + 34619.608875913065, + 34637.797413919296, + 34655.988339969692, + 34674.181653437423, + 34692.37735369608, + 34710.575440119668, + 34728.775912082579, + 34746.978768959649, + 34765.184010126082, + 34783.391634957537, + 34801.60164283005, + 34819.814033120063, + 34838.028805204456, + 34856.24595846048, + 34874.465492265823, + 34892.687405998557, + 34910.911699037177, + 34929.138370760564, + 34947.367420548027, + 34965.598847779271, + 34983.832651834389, + 35002.068832093908, + 35020.307387938738, + 35038.548318750189, + 35056.79162390998, + 35075.03730280025, + 35093.285354803513, + 35111.535779302685, + 35129.788575681116, + 35148.043743322516, + 35166.301281611013, + 35184.561189931141, + 35202.823467667826, + 35221.088114206388, + 35239.355128932555, + 35257.624511232447, + 35275.896260492584, + 35294.170376099886, + 35312.446857441668, + 35330.725703905628, + 35349.006914879887, + 35367.290489752944, + 35385.576427913686, + 35403.864728751418, + 35422.155391655811, + 35440.448416016967, + 35458.743801225341, + 35477.041546671804, + 35495.341651747622, + 35513.644115844436, + 35531.948938354304, + 35550.256118669655, + 35568.565656183309, + 35586.877550288496, + 35605.191800378816, + 35623.508405848268, + 35641.827366091238, + 35660.148680502505, + 35678.472348477233, + 35696.798369410979, + 35715.126742699678, + 35733.457467739659, + 35751.790543927644, + 35770.125970660738, + 35788.46374733642, + 35806.803873352568, + 35825.146348107453, + 35843.49117099971, + 35861.838341428367, + 35880.187858792851, + 35898.539722492955, + 35916.893931928862, + 35935.250486501129, + 35953.609385610718, + 35971.970628658957, + 35990.334215047558, + 36008.700144178612, + 36027.068415454596, + 36045.439028278372, + 36063.811982053165, + 36082.187276182609, + 36100.564910070694, + 36118.944883121789, + 36137.327194740654, + 36155.711844332429, + 36174.098831302617, + 36192.488155057115, + 36210.87981500219, + 36229.273810544473, + 36247.670141091003, + 36266.068806049167, + 36284.469804826738, + 36302.873136831862, + 36321.278801473069, + 36339.686798159251, + 36358.097126299683, + 36376.509785304013, + 36394.924774582258, + 36413.342093544816, + 36431.761741602444, + 36450.183718166292, + 36468.608022647859, + 36487.034654459028, + 36505.463613012063, + 36523.894897719583, + 36542.328507994578, + 36560.764443250409, + 36579.202702900831, + 36597.643286359926, + 36616.086193042182, + 36634.531422362437, + 36652.978973735895, + 36671.428846578143, + 36689.881040305125, + 36708.335554333149, + 36726.792388078902, + 36745.251540959427, + 36763.713012392138, + 36782.176801794812, + 36800.642908585593, + 36819.111332182983, + 36837.582072005869, + 36856.055127473483, + 36874.530498005421, + 36893.008183021651, + 36911.488181942506, + 36929.970494188674, + 36948.455119181206, + 36966.942056341519, + 36985.431305091392, + 37003.922864852961, + 37022.416735048733, + 37040.912915101559, + 37059.411404434657, + 37077.91220247162, + 37096.415308636388, + 37114.920722353243, + 37133.428443046862, + 37151.938470142253, + 37170.450803064785, + 37188.965441240209, + 37207.482384094597, + 37226.001631054402, + 37244.523181546429, + 37263.047034997842, + 37281.573190836149, + 37300.101648489224, + 37318.632407385296, + 37337.165466952945, + 37355.700826621112, + 37374.238485819085, + 37392.778443976509, + 37411.320700523385, + 37429.865254890057, + 37448.412106507232, + 37466.961254805974, + 37485.512699217681, + 37504.066439174116, + 37522.622474107404, + 37541.180803449992, + 37559.741426634704, + 37578.304343094693, + 37596.869552263488, + 37615.43705357494, + 37634.006846463279, + 37652.578930363044, + 37671.153304709165, + 37689.729968936896, + 37708.308922481847, + 37726.890164779965, + 37745.473695267559, + 37764.059513381275, + 37782.647618558112, + 37801.238010235415, + 37819.830687850859, + 37838.425650842495, + 37857.022898648691, + 37875.622430708172, + 37894.224246460013, + 37912.828345343616, + 37931.434726798747, + 37950.043390265506, + 37968.654335184328, + 37987.267560995999, + 38005.883067141665, + 38024.500853062775, + 38043.120918201159, + 38061.743261998963, + 38080.367883898682, + 38098.994783343158, + 38117.623959775563, + 38136.255412639417, + 38154.889141378575, + 38173.525145437234, + 38192.163424259939, + 38210.803977291551, + 38229.446803977284, + 38248.091903762703, + 38266.739276093685, + 38285.388920416466, + 38304.040836177606, + 38322.695022824002, + 38341.351479802899, + 38360.010206561863, + 38378.671202548816, + 38397.334467211993, + 38415.999999999978, + 38434.667800361683, + 38453.33786774637, + 38472.010201603611, + 38490.684801383337, + 38509.361666535784, + 38528.040796511552, + 38546.722190761553, + 38565.405848737035, + 38584.091769889594, + 38602.779953671132, + 38621.470399533908, + 38640.163106930493, + 38658.858075313794, + 38677.555304137059, + 38696.254792853862, + 38714.956540918094, + 38733.660547783991, + 38752.366812906112, + 38771.075335739348, + 38789.78611573892, + 38808.499152360368, + 38827.214445059573, + 38845.931993292739, + 38864.651796516388, + 38883.373854187383, + 38902.098165762916, + 38920.824730700486, + 38939.553548457938, + 38958.284618493431, + 38977.017940265461, + 38995.753513232834, + 39014.491336854699, + 39033.231410590517, + 39051.973733900079, + 39070.718306243485, + 39089.465127081188, + 39108.214195873945, + 39126.965512082832, + 39145.719075169261, + 39164.474884594965, + 39183.232939821988, + 39201.99324031271, + 39220.755785529815, + 39239.52057493633, + 39258.287607995589, + 39277.056884171245, + 39295.828402927284, + 39314.602163728006, + 39333.378166038019, + 39352.15640932227, + 39370.936893046004, + 39389.719616674811, + 39408.504579674584, + 39427.291781511522, + 39446.081221652174, + 39464.872899563372, + 39483.666814712291, + 39502.462966566411, + 39521.261354593538, + 39540.06197826178, + 39558.864837039568, + 39577.669930395656, + 39596.47725779911, + 39615.286818719302, + 39634.098612625923, + 39652.912638988993, + 39671.728897278823, + 39690.547386966064, + 39709.368107521652, + 39728.191058416858, + 39747.016239123259, + 39765.84364911275, + 39784.673287857528, + 39803.505154830105, + 39822.339249503319, + 39841.175571350293, + 39860.014119844491, + 39878.854894459677, + 39897.697894669909, + 39916.54311994958, + 39935.390569773372, + 39954.240243616303, + 39973.092140953675, + 39991.946261261117, + 40010.802604014549, + 40029.661168690225, + 40048.521954764678, + 40067.384961714779, + 40086.250189017679, + 40105.117636150855, + 40123.98730259209, + 40142.859187819471, + 40161.733291311379, + 40180.609612546526, + 40199.488151003912, + 40218.368906162854, + 40237.25187750296, + 40256.137064504153, + 40275.024466646668, + 40293.914083411029, + 40312.805914278084, + 40331.699958728961, + 40350.596216245103, + 40369.494686308273, + 40388.39536840051, + 40407.298262004173, + 40426.20336660192, + 40445.110681676706, + 40464.020206711793, + 40482.931941190756, + 40501.845884597446, + 40520.762036416032, + 40539.680396130985, + 40558.600963227072, + 40577.523737189367, + 40596.448717503234, + 40615.375903654342, + 40634.305295128659, + 40653.236891412453, + 40672.170691992294, + 40691.106696355047, + 40710.044903987873, + 40728.985314378238, + 40747.927927013901, + 40766.872741382918, + 40785.819756973651, + 40804.768973274746, + 40823.720389775161, + 40842.674005964131, + 40861.629821331211, + 40880.587835366234, + 40899.548047559321, + 40918.510457400931, + 40937.475064381761, + 40956.441867992849, + 40975.410867725499, + 40994.382063071331, + 41013.355453522236, + 41032.331038570417, + 41051.308817708363, + 41070.288790428858, + 41089.270956224987, + 41108.255314590111, + 41127.241865017888, + 41146.23060700229, + 41165.221540037543, + 41184.214663618193, + 41203.209977239079, + 41222.207480395307, + 41241.207172582297, + 41260.209053295752, + 41279.213122031659, + 41298.219378286303, + 41317.227821556255, + 41336.23845133838, + 41355.251267129832, + 41374.266268428037, + 41393.283454730743, + 41412.302825535953, + 41431.324380341983, + 41450.348118647416, + 41469.374039951144, + 41488.402143752326, + 41507.432429550427, + 41526.464896845187, + 41545.499545136627, + 41564.536373925075, + 41583.575382711126, + 41602.616570995662, + 41621.659938279874, + 41640.705484065205, + 41659.753207853406, + 41678.803109146495, + 41697.855187446803, + 41716.909442256911, + 41735.965873079709, + 41755.02447941836, + 41774.085260776315, + 41793.148216657297, + 41812.213346565331, + 41831.280650004708, + 41850.350126480014, + 41869.421775496106, + 41888.495596558132, + 41907.571589171515, + 41926.649752841957, + 41945.730087075463, + 41964.812591378286, + 41983.897265256979, + 42002.984108218378, + 42022.073119769593, + 42041.164299418015, + 42060.257646671307, + 42079.353161037419, + 42098.450842024591, + 42117.550689141324, + 42136.652701896404, + 42155.756879798893, + 42174.863222358137, + 42193.971729083758, + 42213.082399485655, + 42232.195233074002, + 42251.310229359246, + 42270.427387852127, + 42289.546708063644, + 42308.668189505079, + 42327.791831687995, + 42346.917634124227, + 42366.045596325886, + 42385.175717805352, + 42404.307998075295, + 42423.442436648642, + 42442.579033038608, + 42461.717786758672, + 42480.858697322597, + 42500.001764244422, + 42519.146987038446, + 42538.294365219248, + 42557.443898301688, + 42576.595585800882, + 42595.749427232236, + 42614.90542211142, + 42634.063569954378, + 42653.223870277317, + 42672.386322596729, + 42691.55092642938, + 42710.717681292292, + 42729.886586702756, + 42749.057642178363, + 42768.23084723694, + 42787.406201396603, + 42806.58370417574, + 42825.76335509299, + 42844.945153667286, + 42864.129099417805, + 42883.315191864014, + 42902.503430525649, + 42921.693814922692, + 42940.88634457541, + 42960.081019004348, + 42979.277837730297, + 42998.476800274322, + 43017.677906157769, + 43036.881154902228, + 43056.086546029583, + 43075.294079061961, + 43094.503753521763, + 43113.715568931671, + 43132.929524814601, + 43152.145620693766, + 43171.363856092619, + 43190.584230534907, + 43209.806743544621, + 43229.031394646016, + 43248.258183363621, + 43267.487109222224, + 43286.718171746885, + 43305.951370462906, + 43325.186704895881, + 43344.42417457165, + 43363.663779016322, + 43382.905517756262, + 43402.149390318104, + 43421.395396228749, + 43440.643535015348, + 43459.89380620532, + 43479.146209326354, + 43498.400743906379, + 43517.657409473606, + 43536.916205556496, + 43556.177131683784, + 43575.44018738444, + 43594.705372187724, + 43613.972685623135, + 43633.242127220445, + 43652.513696509668, + 43671.787393021099, + 43691.063216285271, + 43710.341165833001, + 43729.621241195346, + 43748.903441903625, + 43768.187767489413, + 43787.474217484552, + 43806.762791421126, + 43826.053488831501, + 43845.346309248278, + 43864.641252204325, + 43883.938317232765, + 43903.237503866971, + 43922.538811640596, + 43941.842240087513, + 43961.147788741881, + 43980.455457138101, + 43999.765244810835, + 44019.077151295001, + 44038.391176125755, + 44057.70731883854, + 44077.02557896902, + 44096.345956053141, + 44115.668449627083, + 44134.993059227287, + 44154.319784390456, + 44173.648624653535, + 44192.979579553728, + 44212.312648628489, + 44231.647831415532, + 44250.985127452805, + 44270.324536278538, + 44289.666057431183, + 44309.009690449464, + 44328.355434872348, + 44347.703290239064, + 44367.053256089079, + 44386.405331962109, + 44405.759517398139, + 44425.115811937387, + 44444.474215120332, + 44463.834726487694, + 44483.197345580462, + 44502.562071939843, + 44521.928905107328, + 44541.297844624634, + 44560.668890033732, + 44580.042040876848, + 44599.417296696454, + 44618.794657035272, + 44638.174121436256, + 44657.555689442641, + 44676.939360597877, + 44696.325134445673, + 44715.713010530002, + 44735.102988395054, + 44754.495067585296, + 44773.88924764542, + 44793.285528120374, + 44812.683908555344, + 44832.084388495779, + 44851.486967487363, + 44870.891645076015, + 44890.298420807922, + 44909.707294229491, + 44929.118264887409, + 44948.531332328566, + 44967.946496100136, + 44987.363755749502, + 45006.783110824319, + 45026.204560872473, + 45045.628105442098, + 45065.053744081561, + 45084.48147633949, + 45103.911301764747, + 45123.343219906426, + 45142.777230313885, + 45162.21333253671, + 45181.651526124733, + 45201.091810628037, + 45220.534185596924, + 45239.978650581965, + 45259.425205133957, + 45278.873848803938, + 45298.324581143192, + 45317.777401703235, + 45337.232310035848, + 45356.68930569302, + 45376.148388226997, + 45395.60955719027, + 45415.072812135557, + 45434.538152615823, + 45454.005578184282, + 45473.475088394356, + 45492.946682799746, + 45512.420360954362, + 45531.896122412363, + 45551.373966728155, + 45570.853893456362, + 45590.33590215187, + 45609.819992369776, + 45629.306163665438, + 45648.794415594442, + 45668.284747712612, + 45687.777159576006, + 45707.27165074092, + 45726.768220763894, + 45746.266869201696, + 45765.767595611323, + 45785.270399550034, + 45804.775280575297, + 45824.282238244828, + 45843.79127211657, + 45863.302381748719, + 45882.815566699683, + 45902.33082652813, + 45921.848160792935, + 45941.367569053225, + 45960.889050868354, + 45980.41260579793, + 45999.938233401757, + 46019.465933239902, + 46038.995704872657, + 46058.527547860547, + 46078.06146176433, + 46097.597446144995, + 46117.135500563774, + 46136.675624582109, + 46156.217817761702, + 46175.762079664462, + 46195.308409852543, + 46214.856807888333, + 46234.407273334444, + 46253.959805753715, + 46273.51440470924, + 46293.071069764315, + 46312.629800482478, + 46332.190596427499, + 46351.753457163381, + 46371.318382254351, + 46390.885371264863, + 46410.45442375962, + 46430.025539303526, + 46449.598717461733, + 46469.17395779962, + 46488.751259882782, + 46508.33062327707, + 46527.912047548532, + 46547.495532263471, + 46567.081076988397, + 46586.668681290059, + 46606.258344735434, + 46625.850066891719, + 46645.443847326351, + 46665.039685606986, + 46684.637581301497, + 46704.237533978005, + 46723.839543204842, + 46743.443608550573, + 46763.049729583989, + 46782.657905874104, + 46802.268136990162, + 46821.880422501628, + 46841.494761978196, + 46861.111154989776, + 46880.729601106526, + 46900.350099898795, + 46919.97265093719, + 46939.597253792526, + 46959.223908035841, + 46978.852613238392, + 46998.483368971691, + 47018.11617480743, + 47037.751030317551, + 47057.387935074221, + 47077.026888649809, + 47096.66789061694, + 47116.310940548428, + 47135.956038017328, + 47155.603182596918, + 47175.252373860698, + 47194.903611382375, + 47214.556894735892, + 47234.212223495422, + 47253.869597235338, + 47273.52901553025, + 47293.19047795498, + 47312.853984084577, + 47332.519533494306, + 47352.187125759658, + 47371.856760456343, + 47391.528437160297, + 47411.202155447652, + 47430.877914894787, + 47450.555715078299, + 47470.235555574982, + 47489.917435961863, + 47509.601355816201, + 47529.287314715453, + 47548.975312237308, + 47568.665347959672, + 47588.357421460656, + 47608.051532318605, + 47627.747680112072, + 47647.445864419846, + 47667.14608482091, + 47686.848340894474, + 47706.552632219973, + 47726.258958377046, + 47745.967318945557, + 47765.677713505589, + 47785.390141637428, + 47805.104602921601, + 47824.821096938824, + 47844.539623270044, + 47864.260181496429, + 47883.982771199349, + 47903.707391960394, + 47923.434043361369, + 47943.162724984308, + 47962.893436411439, + 47982.626177225218, + 48002.36094700831, + 48022.097745343599, + 48041.836571814172, + 48061.57742600335, + 48081.32030749465, + 48101.065215871815, + 48120.81215071879, + 48140.56111161974, + 48160.312098159047, + 48180.065109921306, + 48199.820146491307, + 48219.577207454073, + 48239.336292394844, + 48259.097400899045, + 48278.860532552339, + 48298.625686940592, + 48318.392863649875, + 48338.162062266485, + 48357.933282376915, + 48377.706523567889, + 48397.481785426316, + 48417.259067539344, + 48437.038369494308, + 48456.819690878765, + 48476.603031280487, + 48496.388390287451, + 48516.175767487839, + 48535.965162470042, + 48555.756574822684, + 48575.550004134566, + 48595.345449994718, + 48615.142911992378, + 48634.942389716991, + 48654.743882758201, + 48674.547390705877, + 48694.352913150084, + 48714.160449681112, + 48733.969999889443, + 48753.781563365759, + 48773.595139700978, + 48793.410728486211, + 48813.228329312769, + 48833.047941772187, + 48852.869565456189, + 48872.693199956717, + 48892.518844865925, + 48912.346499776155, + 48932.176164279976, + 48952.007837970152, + 48971.841520439666, + 48991.677211281676, + 49011.514910089587, + 49031.354616456978, + 49051.196329977654, + 49071.04005024561, + 49090.885776855059, + 49110.733509400408, + 49130.583247476279, + 49150.434990677488, + 49170.288738599062, + 49190.144490836232, + 49210.002246984441, + 49229.86200663932, + 49249.723769396718, + 49269.587534852675, + 49289.453302603448, + 49309.32107224549, + 49329.190843375451, + 49349.062615590192, + 49368.936388486785, + 49388.812161662492, + 49408.689934714785, + 49428.569707241324, + 49448.45147883999, + 49468.335249108866, + 49488.22101764621, + 49508.108784050521, + 49527.99854792047, + 49547.890308854934, + 49567.784066453009, + 49587.679820313977, + 49607.57757003732, + 49627.477315222721, + 49647.379055470075, + 49667.28279037946, + 49687.188519551179, + 49707.096242585707, + 49727.005959083741, + 49746.917668646165, + 49766.831370874068, + 49786.747065368734, + 49806.66475173166, + 49826.584429564515, + 49846.506098469203, + 49866.429758047794, + 49886.355407902578, + 49906.283047636032, + 49926.212676850846, + 49946.144295149883, + 49966.077902136225, + 49986.013497413151, + 50005.951080584135, + 50025.890651252834, + 50045.832209023123, + 50065.775753499074, + 50085.721284284933, + 50105.668800985164, + 50125.618303204428, + 50145.569790547575, + 50165.523262619652, + 50185.478719025901, + 50205.436159371769, + 50225.395583262893, + 50245.356990305103, + 50265.320380104429, + 50285.285752267104, + 50305.253106399534, + 50325.222442108337, + 50345.193759000336, + 50365.16705668252, + 50385.142334762102, + 50405.119592846473, + 50425.098830543218, + 50445.080047460127, + 50465.063243205179, + 50485.048417386541, + 50505.035569612577, + 50525.024699491856, + 50545.015806633128, + 50565.008890645338, + 50585.003951137631, + 50605.00098771933, + 50624.999999999971, + 50645.000987589265, + 50665.003950097132, + 50685.008887133677, + 50705.015798309192, + 50725.024683234165, + 50745.035541519283, + 50765.048372775411, + 50785.063176613621, + 50805.079952645159, + 50825.098700481489, + 50845.119419734241, + 50865.142110015244, + 50885.166770936521, + 50905.193402110279, + 50925.222003148934, + 50945.252573665071, + 50965.285113271471, + 50985.319621581119, + 51005.356098207172, + 51025.394542762981, + 51045.434954862096, + 51065.477334118244, + 51085.521680145357, + 51105.567992557546, + 51125.616270969113, + 51145.66651499454, + 51165.718724248516, + 51185.772898345916, + 51205.829036901778, + 51225.887139531362, + 51245.947205850105, + 51266.009235473619, + 51286.073228017718, + 51306.139183098399, + 51326.207100331856, + 51346.276979334456, + 51366.348819722756, + 51386.42262111351, + 51406.498383123653, + 51426.57610537031, + 51446.655787470787, + 51466.737429042587, + 51486.82102970338, + 51506.906589071048, + 51526.994106763632, + 51547.083582399391, + 51567.175015596738, + 51587.268405974297, + 51607.363753150858, + 51627.461056745415, + 51647.56031637713, + 51667.661531665362, + 51687.764702229651, + 51707.869827689727, + 51727.976907665499, + 51748.085941777055, + 51768.196929644677, + 51788.309870888836, + 51808.42476513017, + 51828.541611989524, + 51848.660411087905, + 51868.781162046515, + 51888.90386448674, + 51909.028518030143, + 51929.155122298485, + 51949.283676913685, + 51969.414181497872, + 51989.546635673345, + 52009.681039062583, + 52029.817391288263, + 52049.955691973213, + 52070.095940740481, + 52090.238137213273, + 52110.382281014987, + 52130.5283717692, + 52150.676409099666, + 52170.826392630333, + 52190.97832198532, + 52211.132196788931, + 52231.288016665654, + 52251.445781240145, + 52271.60549013727, + 52291.76714298204, + 52311.930739399664, + 52332.096279015546, + 52352.263761455244, + 52372.433186344519, + 52392.604553309284, + 52412.777861975665, + 52432.953111969946, + 52453.130302918595, + 52473.309434448267, + 52493.490506185793, + 52513.67351775818, + 52533.858468792605, + 52554.045358916446, + 52574.234187757254, + 52594.42495494274, + 52614.617660100812, + 52634.812302859558, + 52655.008882847229, + 52675.20739969227, + 52695.407853023295, + 52715.610242469098, + 52735.814567658657, + 52756.02082822111, + 52776.229023785803, + 52796.439153982225, + 52816.651218440056, + 52836.865216789171, + 52857.081148659599, + 52877.29901368155, + 52897.518811485425, + 52917.740541701773, + 52937.964203961354, + 52958.18979789508, + 52978.417323134046, + 52998.646779309529, + 53018.878166052978, + 53039.111482996006, + 53059.346729770419, + 53079.583906008193, + 53099.823011341483, + 53120.0640454026, + 53140.307007824063, + 53160.551898238533, + 53180.79871627887, + 53201.047461578091, + 53221.2981337694, + 53241.550732486176, + 53261.805257361964, + 53282.061708030487, + 53302.32008412564, + 53322.580385281493, + 53342.842611132299, + 53363.106761312469, + 53383.372835456597, + 53403.640833199453, + 53423.910754175973, + 53444.18259802126, + 53464.456364370613, + 53484.732052859479, + 53505.009663123499, + 53525.289194798468, + 53545.570647520362, + 53565.854020925333, + 53586.139314649699, + 53606.426528329954, + 53626.715661602764, + 53647.006714104959, + 53667.299685473547, + 53687.59457534572, + 53707.891383358816, + 53728.190109150361, + 53748.490752358055, + 53768.793312619753, + 53789.09778957349, + 53809.404182857485, + 53829.712492110106, + 53850.022716969899, + 53870.334857075584, + 53890.648912066055, + 53910.964881580367, + 53931.28276525774, + 53951.602562737586, + 53971.924273659461, + 53992.24789766311, + 54012.57343438844, + 54032.90088347553, + 54053.23024456462, + 54073.561517296133, + 54093.894701310644, + 54114.22979624891, + 54134.566801751855, + 54154.90571746057, + 54175.246543016314, + 54195.589278060506, + 54215.933922234755, + 54236.280475180814, + 54256.628936540626, + 54276.97930595628, + 54297.331583070045, + 54317.685767524359, + 54338.041858961828, + 54358.399857025215, + 54378.759761357462, + 54399.121571601667, + 54419.485287401105, + 54439.850908399218, + 54460.218434239614, + 54480.587864566056, + 54500.95919902248, + 54521.332437252997, + 54541.707578901878, + 54562.084623613555, + 54582.46357103264, + 54602.844420803893, + 54623.227172572246, + 54643.611825982807, + 54663.998380680838, + 54684.386836311773, + 54704.777192521207, + 54725.169448954897, + 54745.563605258772, + 54765.959661078923, + 54786.357616061614, + 54806.757469853255, + 54827.159222100439, + 54847.562872449904, + 54867.968420548583, + 54888.375866043534, + 54908.785208582012, + 54929.196447811417, + 54949.609583379322, + 54970.024614933463, + 54990.441542121727, + 55010.86036459219, + 55031.28108199306, + 55051.703693972733, + 55072.128200179759, + 55092.554600262847, + 55112.982893870874, + 55133.413080652877, + 55153.845160258061, + 55174.279132335789, + 55194.714996535586, + 55215.152752507143, + 55235.592399900306, + 55256.033938365079, + 55276.477367551655, + 55296.92268711036, + 55317.369896691685, + 55337.818995946305, + 55358.269984525024, + 55378.72286207883, + 55399.177628258869, + 55419.634282716441, + 55440.092825103013, + 55460.553255070205, + 55481.015572269804, + 55501.479776353764, + 55521.945866974187, + 55542.413843783339, + 55562.883706433655, + 55583.355454577715, + 55603.82908786826, + 55624.304605958219, + 55644.782008500639, + 55665.261295148754, + 55685.742465555952, + 55706.225519375774, + 55726.710456261928, + 55747.197275868275, + 55767.685977848843, + 55788.176561857814, + 55808.669027549528, + 55829.163374578478, + 55849.659602599328, + 55870.157711266889, + 55890.657700236145, + 55911.159569162221, + 55931.663317700411, + 55952.168945506164, + 55972.676452235086, + 55993.185837542944, + 56013.697101085651, + 56034.210242519301, + 56054.72526150012, + 56075.242157684508, + 56095.760930729011, + 56116.281580290342, + 56136.804106025367, + 56157.328507591104, + 56177.85478464474, + 56198.382936843598, + 56218.912963845185, + 56239.444865307138, + 56259.978640887268, + 56280.514290243525, + 56301.051813034042, + 56321.591208917082, + 56342.13247755108, + 56362.675618594607, + 56383.220631706419, + 56403.767516545398, + 56424.316272770608, + 56444.866900041241, + 56465.419398016667, + 56485.973766356394, + 56506.530004720102, + 56527.088112767611, + 56547.648090158902, + 56568.209936554107, + 56588.773651613519, + 56609.339234997584, + 56629.9066863669, + 56650.47600538221, + 56671.04719170442, + 56691.620244994599, + 56712.195164913959, + 56732.771951123868, + 56753.350603285835, + 56773.931121061541, + 56794.513504112823, + 56815.097752101647, + 56835.683864690152, + 56856.271841540627, + 56876.86168231551, + 56897.453386677393, + 56918.046954289028, + 56938.642384813298, + 56959.239677913261, + 56979.838833252121, + 57000.439850493225, + 57021.04272930009, + 57041.647469336371, + 57062.254070265873, + 57082.862531752558, + 57103.472853460553, + 57124.085035054108, + 57144.699076197649, + 57165.314976555739, + 57185.932735793103, + 57206.552353574611, + 57227.173829565276, + 57247.797163430281, + 57268.42235483494, + 57289.049403444733, + 57309.678308925286, + 57330.30907094237, + 57350.941689161911, + 57371.576163249985, + 57392.212492872815, + 57412.850677696784, + 57433.490717388406, + 57454.132611614368, + 57474.776360041491, + 57495.421962336746, + 57516.069418167266, + 57536.718727200314, + 57557.36988910332, + 57578.022903543861, + 57598.677770189643, + 57619.334488708548, + 57639.993058768589, + 57660.653480037938, + 57681.315752184906, + 57701.979874877965, + 57722.64584778573, + 57743.31367057695, + 57763.983342920546, + 57784.654864485572, + 57805.328234941233, + 57826.003453956881, + 57846.680521202026, + 57867.359436346305, + 57888.040199059527, + 57908.722809011633, + 57929.407265872709, + 57950.093569313001, + 57970.781719002895, + 57991.471714612911, + 58012.16355581375, + 58032.857242276223, + 58053.552773671312, + 58074.25014967013, + 58094.949369943948, + 58115.650434164185, + 58136.353342002389, + 58157.058093130276, + 58177.764687219693, + 58198.47312394264, + 58219.183402971255, + 58239.895523977837, + 58260.609486634821, + 58281.325290614775, + 58302.042935590434, + 58322.762421234678, + 58343.483747220511, + 58364.206913221096, + 58384.931918909751, + 58405.658763959924, + 58426.3874480452, + 58447.117970839339, + 58467.85033201622, + 58488.584531249864, + 58509.320568214462, + 58530.058442584334, + 58550.798154033931, + 58571.539702237875, + 58592.283086870906, + 58613.028307607929, + 58633.775364123983, + 58654.52425609425, + 58675.274983194053, + 58696.027545098877, + 58716.781941484325, + 58737.538172026158, + 58758.296236400274, + 58779.056134282728, + 58799.817865349694, + 58820.581429277503, + 58841.346825742643, + 58862.114054421712, + 58882.883114991484, + 58903.654007128847, + 58924.426730510851, + 58945.201284814684, + 58965.977669717664, + 58986.755884897269, + 59007.535930031117, + 59028.317804796949, + 59049.101508872664, + 59069.887041936301, + 59090.674403666046, + 59111.463593740213, + 59132.254611837263, + 59153.047457635803, + 59173.84213081457, + 59194.638631052461, + 59215.436958028506, + 59236.237111421855, + 59257.039090911829, + 59277.842896177877, + 59298.648526899589, + 59319.455982756685, + 59340.26526342905, + 59361.076368596696, + 59381.889297939757, + 59402.704051138542, + 59423.520627873484, + 59444.339027825139, + 59465.159250674224, + 59485.9812961016, + 59506.805163788253, + 59527.630853415307, + 59548.458364664046, + 59569.287697215863, + 59590.118850752311, + 59610.951824955089, + 59631.786619506012, + 59652.623234087048, + 59673.461668380311, + 59694.301922068029, + 59715.143994832593, + 59735.987886356525, + 59756.833596322482, + 59777.681124413255, + 59798.530470311794, + 59819.381633701159, + 59840.234614264569, + 59861.089411685381, + 59881.94602564707, + 59902.804455833269, + 59923.664701927737, + 59944.526763614384, + 59965.390640577243, + 59986.256332500488, + 60007.123839068438, + 60027.993159965539, + 60048.864294876381, + 60069.737243485688, + 60090.612005478324, + 60111.488580539284, + 60132.366968353708, + 60153.247168606867, + 60174.129180984164, + 60195.013005171153, + 60215.898640853513, + 60236.786087717061, + 60257.675345447751, + 60278.566413731671, + 60299.459292255044, + 60320.353980704247, + 60341.25047876576, + 60362.148786126229, + 60383.048902472423, + 60403.950827491237, + 60424.854560869717, + 60445.76010229504, + 60466.667451454516, + 60487.57660803559, + 60508.487571725847, + 60529.400342212997, + 60550.314919184893, + 60571.231302329521, + 60592.149491335003, + 60613.069485889588, + 60633.991285681674, + 60654.914890399785, + 60675.840299732568, + 60696.767513368832, + 60717.696530997484, + 60738.627352307602, + 60759.55997698837, + 60780.494404729128, + 60801.430635219323, + 60822.368668148556, + 60843.308503206565, + 60864.250140083204, + 60885.193578468468, + 60906.138818052495, + 60927.085858525541, + 60948.034699578006, + 60968.985340900421, + 60989.937782183442, + 61010.892023117864, + 61031.848063394616, + 61052.805902704764, + 61073.765540739492, + 61094.726977190134, + 61115.690211748137, + 61136.655244105103, + 61157.622073952742, + 61178.590700982917, + 61199.561124887616, + 61220.533345358948, + 61241.507362089171, + 61262.483174770663, + 61283.460783095943, + 61304.440186757645, + 61325.421385448557, + 61346.404378861582, + 61367.389166689762, + 61388.375748626262, + 61409.364124364387, + 61430.354293597571, + 61451.346256019373, + 61472.340011323497, + 61493.335559203762, + 61514.332899354122, + 61535.332031468672, + 61556.332955241618, + 61577.335670367313, + 61598.340176540238, + 61619.346473454993, + 61640.354560806329, + 61661.3644382891, + 61682.376105598312, + 61703.389562429089, + 61724.404808476691, + 61745.42184343651, + 61766.440667004063, + 61787.461278874987, + 61808.483678745069, + 61829.507866310203, + 61850.533841266435, + 61871.561603309929, + 61892.591152136971, + 61913.622487443987, + 61934.655608927525, + 61955.690516284267, + 61976.727209211022, + 61997.765687404724, + 62018.805950562448, + 62039.847998381381, + 62060.891830558845, + 62081.93744679229, + 62102.984846779298, + 62124.034030217575, + 62145.084996804966, + 62166.137746239416, + 62187.19227821903, + 62208.248592442025, + 62229.306688606739, + 62250.366566411656, + 62271.428225555377, + 62292.491665736627, + 62313.556886654267, + 62334.623888007271, + 62355.692669494762, + 62376.763230815974, + 62397.835571670272, + 62418.909691757144, + 62439.98559077621, + 62461.063268427228, + 62482.142724410049, + 62503.223958424685, + 62524.306970171267, + 62545.39175935003, + 62566.478325661366, + 62587.566668805768, + 62608.656788483881, + 62629.748684396451, + 62650.842356244357, + 62671.937803728622, + 62693.035026550366, + 62714.134024410858, + 62735.234797011479, + 62756.337344053733, + 62777.441665239276, + 62798.547760269852, + 62819.655628847358, + 62840.765270673801, + 62861.876685451323, + 62882.989872882186, + 62904.104832668774, + 62925.221564513602, + 62946.340068119309, + 62967.460343188657, + 62988.582389424526, + 63009.70620652994, + 63030.831794208025, + 63051.959152162039, + 63073.08828009537, + 63094.219177711529, + 63115.351844714154, + 63136.486280806988, + 63157.622485693922, + 63178.760459078956, + 63199.900200666219, + 63221.041710159967, + 63242.184987264569, + 63263.330031684534, + 63284.476843124474, + 63305.625421289144, + 63326.775765883409, + 63347.927876612259, + 63369.081753180813, + 63390.237395294316, + 63411.39480265812, + 63432.553974977716, + 63453.714911958712, + 63474.877613306839, + 63496.042078727944, + 63517.208307927998, + 63538.376300613119, + 63559.546056489504, + 63580.717575263516, + 63601.890856641607, + 63623.065900330374, + 63644.242706036515, + 63665.421273466869, + 63686.601602328381, + 63707.783692328136, + 63728.967543173334, + 63750.153154571279, + 63771.340526229418, + 63792.529657855317, + 63813.720549156649, + 63834.913199841227, + 63856.107609616978, + 63877.303778191941, + 63898.501705274284, + 63919.7013905723, + 63940.902833794404, + 63962.106034649114, + 63983.310992845094, + 64004.517708091109, + 64025.726180096048, + 64046.936408568938, + 64068.1483932189, + 64089.362133755196, + 64110.577629887193, + 64131.794881324393, + 64153.013887776404, + 64174.234648952966, + 64195.457164563937, + 64216.681434319289, + 64237.907457929112, + 64259.135235103626, + 64280.36476555316, + 64301.596048988169, + 64322.829085119236, + 64344.06387365704, + 64365.300414312398, + 64386.538706796251, + 64407.778750819634, + 64429.020546093721, + 64450.26409232981, + 64471.509389239291, + 64492.756436533709, + 64514.005233924705, + 64535.255781124033, + 64556.50807784358, + 64577.762123795357, + 64599.017918691468, + 64620.275462244172, + 64641.534754165805, + 64662.795794168844, + 64684.058581965895, + 64705.323117269661, + 64726.589399792974, + 64747.857429248776, + 64769.127205350138, + 64790.398727810236, + 64811.671996342375, + 64832.947010659969, + 64854.223770476558, + 64875.502275505794, + 64896.782525461451, + 64918.064520057414, + 64939.348259007682, + 64960.633742026388, + 64981.920968827762, + 65003.209939126165, + 65024.500652636067, + 65045.793109072067, + 65067.087308148861, + 65088.383249581282, + 65109.680933084259, + 65130.980358372864, + 65152.28152516226, + 65173.584433167736, + 65194.889082104703, + 65216.195471688683, + 65237.503601635319, + 65258.813471660353, + 65280.125081479666, + 65301.438430809241, + 65322.753519365178, + 65344.070346863708, + 65365.388913021146, + 65386.709217553958, + 65408.031260178701, + 65429.355040612056, + 65450.680558570821, + 65472.00781377191, + 65493.336805932355, + 65514.66753476928, + 65535.999999999956, + 65557.334201341757, + 65578.670138512171, + 65600.007811228788, + 65621.347219209332, + 65642.688362171626, + 65664.031239833639, + 65685.375851913413, + 65706.722198129137, + 65728.070278199084, + 65749.420091841661, + 65770.771638775404, + 65792.124918718939, + 65813.479931391004, + 65834.836676510458, + 65856.195153796303, + 65877.5553629676, + 65898.917303743554, + 65920.280975843489, + 65941.646378986843, + 65963.013512893158, + 65984.382377282076, + 66005.752971873386, + 66027.125296386963, + 66048.499350542799, + 66069.875134061018, + 66091.252646661844, + 66112.631888065618, + 66134.01285799277, + 66155.395556163887, + 66176.779982299631, + 66198.166136120795, + 66219.554017348273, + 66240.943625703105, + 66262.334960906388, + 66283.728022679396, + 66305.122810743444, + 66326.519324820023, + 66347.917564630698, + 66369.317529897162, + 66390.719220341227, + 66412.122635684791, + 66433.527775649884, + 66454.934639958636, + 66476.343228333324, + 66497.753540496284, + 66519.165576169995, + 66540.57933507704, + 66561.994816940118, + 66583.412021482043, + 66604.830948425733, + 66626.251597494222, + 66647.673968410629, + 66669.098060898235, + 66690.523874680381, + 66711.951409480564, + 66733.380665022371, + 66754.811641029475, + 66776.244337225711, + 66797.678753334985, + 66819.11488908132, + 66840.552744188884, + 66861.992318381905, + 66883.433611384738, + 66904.876622921889, + 66926.321352717903, + 66947.767800497502, + 66969.215965985466, + 66990.665848906734, + 67012.117448986304, + 67033.570765949335, + 67055.025799521056, + 67076.482549426815, + 67097.941015392076, + 67119.401197142433, + 67140.863094403554, + 67162.326706901222, + 67183.792034361351, + 67205.259076509959, + 67226.72783307315, + 67248.198303777172, + 67269.670488348347, + 67291.144386513144, + 67312.619997998088, + 67334.09732252988, + 67355.576359835293, + 67377.057109641188, + 67398.53957167457, + 67420.023745662547, + 67441.50963133233, + 67462.99722841123, + 67484.486536626689, + 67505.977555706224, + 67527.470285377494, + 67548.964725368263, + 67570.460875406367, + 67591.9587352198, + 67613.458304536631, + 67634.95958308503, + 67656.462570593329, + 67677.967266789899, + 67699.473671403248, + 67720.981784162024, + 67742.491604794923, + 67764.003133030797, + 67785.516368598575, + 67807.031311227314, + 67828.547960646174, + 67850.066316584402, + 67871.58637877139, + 67893.108146936589, + 67914.63162080961, + 67936.156800120138, + 67957.683684597971, + 67979.212273973011, + 68000.742567975263, + 68022.274566334876, + 68043.808268782057, + 68065.343675047145, + 68086.880784860579, + 68108.419597952918, + 68129.960114054789, + 68151.502332896969, + 68173.04625421032, + 68194.591877725834, + 68216.139203174564, + 68237.688230287706, + 68259.238958796544, + 68280.791388432481, + 68302.345518927032, + 68323.901350011787, + 68345.458881418483, + 68367.018112878912, + 68388.579044125028, + 68410.141674888844, + 68431.706004902502, + 68453.272033898262, + 68474.839761608455, + 68496.409187765545, + 68517.980312102081, + 68539.553134350732, + 68561.127654244279, + 68582.70387151558, + 68604.281785897634, + 68625.861397123503, + 68647.44270492639, + 68669.025709039604, + 68690.610409196524, + 68712.196805130661, + 68733.784896575627, + 68755.374683265123, + 68776.966164932994, + 68798.559341313128, + 68820.154212139591, + 68841.750777146473, + 68863.349036068044, + 68884.948988638629, + 68906.550634592684, + 68928.153973664739, + 68949.75900558944, + 68971.365730101577, + 68992.974146935987, + 69014.584255827634, + 69036.196056511588, + 69057.809548723017, + 69079.424732197207, + 69101.041606669532, + 69122.660171875468, + 69144.280427550606, + 69165.902373430625, + 69187.526009251334, + 69209.151334748618, + 69230.778349658474, + 69252.40705371699, + 69274.037446660412, + 69295.669528225, + 69317.303298147192, + 69338.938756163494, + 69360.575902010532, + 69382.214735425005, + 69403.855256143754, + 69425.497463903681, + 69447.141358441833, + 69468.78693949533, + 69490.434206801394, + 69512.083160097391, + 69533.733799120717, + 69555.386123608929, + 69577.04013329967, + 69598.695827930685, + 69620.353207239794, + 69642.012270964973, + 69663.67301884426, + 69685.335450615792, + 69706.999566017839, + 69728.665364788743, + 69750.332846666963, + 69772.002011391058, + 69793.672858699691, + 69815.345388331611, + 69837.019600025669, + 69858.695493520849, + 69880.373068556204, + 69902.052324870907, + 69923.733262204216, + 69945.415880295492, + 69967.100178884211, + 69988.786157709939, + 70010.473816512356, + 70032.163155031216, + 70053.854173006403, + 70075.546870177874, + 70097.241246285717, + 70118.937301070109, + 70140.635034271298, + 70162.334445629691, + 70184.035534885741, + 70205.738301780017, + 70227.442746053217, + 70249.1488674461, + 70270.856665699539, + 70292.566140554511, + 70314.277291752107, + 70335.990119033493, + 70357.704622139936, + 70379.420800812819, + 70401.138654793613, + 70422.85818382389, + 70444.579387645339, + 70466.302265999722, + 70488.026818628918, + 70509.753045274876, + 70531.480945679708, + 70553.210519585555, + 70574.941766734701, + 70596.674686869505, + 70618.409279732456, + 70640.145545066101, + 70661.883482613106, + 70683.623092116264, + 70705.364373318414, + 70727.107325962526, + 70748.851949791671, + 70770.598244549008, + 70792.346209977783, + 70814.095845821372, + 70835.847151823225, + 70857.600127726895, + 70879.354773276034, + 70901.111088214413, + 70922.869072285859, + 70944.628725234332, + 70966.390046803877, + 70988.153036738629, + 71009.917694782853, + 71031.684020680885, + 71053.45201417715, + 71075.221675016204, + 71096.993002942661, + 71118.765997701266, + 71140.540659036851, + 71162.316986694335, + 71184.09498041874, + 71205.874639955218, + 71227.655965048951, + 71249.438955445294, + 71271.223610889632, + 71293.009931127483, + 71314.797915904477, + 71336.587564966307, + 71358.378878058764, + 71380.171854927772, + 71401.966495319313, + 71423.762798979486, + 71445.560765654489, + 71467.360395090596, + 71489.161687034211, + 71510.964641231811, + 71532.769257429973, + 71554.575535375348, + 71576.383474814749, + 71598.19307549503, + 71620.004337163133, + 71641.817259566145, + 71663.631842451214, + 71685.4480855656, + 71707.26598865664, + 71729.085551471784, + 71750.906773758586, + 71772.729655264673, + 71794.554195737772, + 71816.380394925713, + 71838.208252576442, + 71860.037768437964, + 71881.868942258385, + 71903.701773785942, + 71925.536262768932, + 71947.372408955751, + 71969.210212094898, + 71991.049671934976, + 72012.890788224686, + 72034.73356071279, + 72056.577989148165, + 72078.424073279821, + 72100.271812856794, + 72122.121207628254, + 72143.97225734347, + 72165.824961751801, + 72187.679320602692, + 72209.53533364569, + 72231.393000630429, + 72253.252321306645, + 72275.113295424177, + 72296.975922732949, + 72318.840202982959, + 72340.706135924338, + 72362.573721307272, + 72384.442958882093, + 72406.313848399179, + 72428.186389609036, + 72450.060582262216, + 72471.936426109431, + 72493.813920901433, + 72515.693066389096, + 72537.573862323392, + 72559.456308455352, + 72581.340404536139, + 72603.226150316987, + 72625.113545549248, + 72647.002589984331, + 72668.893283373764, + 72690.785625469172, + 72712.679616022273, + 72734.575254784853, + 72756.472541508803, + 72778.371475946144, + 72800.272057848939, + 72822.174286969355, + 72844.07816305969, + 72865.983685872285, + 72887.890855159596, + 72909.799670674183, + 72931.710132168693, + 72953.622239395845, + 72975.535992108475, + 72997.451390059519, + 73019.368433001961, + 73041.287120688925, + 73063.207452873612, + 73085.129429309294, + 73107.053049749389, + 73128.978313947344, + 73150.905221656736, + 73172.833772631217, + 73194.763966624567, + 73216.695803390612, + 73238.62928268328, + 73260.564404256627, + 73282.501167864757, + 73304.439573261901, + 73326.379620202337, + 73348.321308440485, + 73370.264637730841, + 73392.209607827957, + 73414.156218486532, + 73436.104469461323, + 73458.054360507173, + 73480.005891379056, + 73501.959061831993, + 73523.913871621116, + 73545.870320501665, + 73567.828408228932, + 73589.78813455833, + 73611.749499245358, + 73633.712502045615, + 73655.677142714747, + 73677.643421008557, + 73699.611336682879, + 73721.580889493693, + 73743.552079197019, + 73765.524905548999, + 73787.499368305856, + 73809.475467223907, + 73831.453202059551, + 73853.432572569291, + 73875.413578509717, + 73897.396219637507, + 73919.380495709411, + 73941.36640648231, + 73963.353951713143, + 73985.343131158952, + 74007.333944576865, + 74029.326391724098, + 74051.320472357969, + 74073.316186235883, + 74095.313533115303, + 74117.312512753837, + 74139.313124909138, + 74161.315369338976, + 74183.319245801191, + 74205.324754053727, + 74227.331893854629, + 74249.340664961986, + 74271.351067134034, + 74293.363100129049, + 74315.376763705441, + 74337.392057621662, + 74359.408981636298, + 74381.427535508003, + 74403.447718995507, + 74425.469531857671, + 74447.492973853383, + 74469.518044741693, + 74491.54474428168, + 74513.573072232539, + 74535.603028353551, + 74557.634612404087, + 74579.667824143602, + 74601.702663331642, + 74623.739129727837, + 74645.777223091936, + 74667.816943183716, + 74689.858289763113, + 74711.901262590094, + 74733.945861424741, + 74755.992086027225, + 74778.039936157802, + 74800.089411576817, + 74822.140512044702, + 74844.193237321961, + 74866.24758716923, + 74888.303561347187, + 74910.36115961663, + 74932.420381738411, + 74954.481227473516, + 74976.543696582972, + 74998.607788827925, + 75020.673503969607, + 75042.740841769322, + 75064.809801988464, + 75086.88038438854, + 75108.952588731103, + 75131.026414777836, + 75153.101862290467, + 75175.178931030852, + 75197.257620760924, + 75219.33793124267, + 75241.419862238225, + 75263.503413509738, + 75285.588584819503, + 75307.675375929874, + 75329.763786603318, + 75351.853816602365, + 75373.945465689612, + 75396.038733627807, + 75418.133620179724, + 75440.230125108254, + 75462.32824817636, + 75484.427989147109, + 75506.529347783653, + 75528.63232384919, + 75550.736917107075, + 75572.843127320695, + 75594.950954253538, + 75617.060397669193, + 75639.171457331307, + 75661.284133003646, + 75683.398424450032, + 75705.514331434402, + 75727.631853720741, + 75749.750991073175, + 75771.871743255862, + 75793.994110033076, + 75816.118091169177, + 75838.243686428585, + 75860.370895575848, + 75882.499718375562, + 75904.630154592422, + 75926.762203991224, + 75948.895866336825, + 75971.031141394182, + 75993.168028928325, + 76015.306528704401, + 76037.4466404876, + 76059.588364043215, + 76081.731699136653, + 76103.876645533353, + 76126.023202998884, + 76148.171371298871, + 76170.321150199044, + 76192.472539465205, + 76214.625538863256, + 76236.780148159174, + 76258.936367119008, + 76281.094195508922, + 76303.253633095141, + 76325.414679643975, + 76347.577334921851, + 76369.741598695226, + 76391.907470730686, + 76414.074950794879, + 76436.244038654564, + 76458.414734076548, + 76480.587036827754, + 76502.760946675175, + 76524.936463385893, + 76547.11358672705, + 76569.292316465915, + 76591.472652369819, + 76613.654594206164, + 76635.838141742468, + 76658.023294746308, + 76680.210052985349, + 76702.398416227341, + 76724.588384240138, + 76746.779956791637, + 76768.973133649866, + 76791.167914582897, + 76813.364299358902, + 76835.562287746157, + 76857.761879512967, + 76879.963074427797, + 76902.165872259109, + 76924.37027277553, + 76946.576275745727, + 76968.783880938441, + 76990.993088122515, + 77013.203897066895, + 77035.416307540567, + 77057.630319312622, + 77079.845932152239, + 77102.063145828695, + 77124.281960111301, + 77146.50237476948, + 77168.724389572759, + 77190.948004290723, + 77213.173218693031, + 77235.400032549442, + 77257.628445629802, + 77279.858457704031, + 77302.090068542122, + 77324.323277914169, + 77346.558085590339, + 77368.794491340886, + 77391.032494936138, + 77413.272096146524, + 77435.51329474253, + 77457.756090494731, + 77480.000483173804, + 77502.246472550498, + 77524.494058395634, + 77546.743240480107, + 77568.994018574944, + 77591.246392451198, + 77613.500361880026, + 77635.755926632657, + 77658.013086480438, + 77680.271841194757, + 77702.532190547092, + 77724.794134309021, + 77747.057672252195, + 77769.322804148323, + 77791.589529769248, + 77813.857848886837, + 77836.127761273063, + 77858.399266699998, + 77880.67236493979, + 77902.947055764627, + 77925.223338946831, + 77947.50121425878, + 77969.780681472927, + 77992.061740361838, + 78014.344390698127, + 78036.628632254491, + 78058.914464803747, + 78081.201888118725, + 78103.490901972415, + 78125.781506137821, + 78148.073700388064, + 78170.367484496339, + 78192.662858235926, + 78214.959821380166, + 78237.258373702498, + 78259.558514976452, + 78281.860244975614, + 78304.163563473659, + 78326.468470244363, + 78348.77496506153, + 78371.083047699125, + 78393.392717931114, + 78415.703975531578, + 78438.016820274701, + 78460.331251934695, + 78482.647270285903, + 78504.964875102727, + 78527.284066159627, + 78549.604843231195, + 78571.927206092048, + 78594.251154516911, + 78616.576688280606, + 78638.903807157985, + 78661.232510924034, + 78683.562799353778, + 78705.894672222363, + 78728.228129304945, + 78750.563170376859, + 78772.899795213423, + 78795.238003590101, + 78817.577795282399, + 78839.919170065928, + 78862.262127716356, + 78884.606668009452, + 78906.952790721043, + 78929.300495627045, + 78951.64978250346, + 78974.000651126378, + 78996.353101271932, + 79018.707132716358, + 79041.062745235977, + 79063.41993860717, + 79085.778712606436, + 79108.139067010285, + 79130.501001595389, + 79152.864516138419, + 79175.22961041618, + 79197.596284205531, + 79219.96453728342, + 79242.33436942687, + 79264.705780412987, + 79287.078770018954, + 79309.453338022009, + 79331.829484199508, + 79354.207208328866, + 79376.586510187582, + 79398.967389553218, + 79421.349846203433, + 79443.733879915948, + 79466.119490468584, + 79488.50667763922, + 79510.895441205823, + 79533.285780946433, + 79555.677696639163, + 79578.071188062226, + 79600.466254993895, + 79622.862897212515, + 79645.261114496549, + 79667.660906624471, + 79690.062273374875, + 79712.465214526455, + 79734.869729857935, + 79757.275819148126, + 79779.683482175955, + 79802.092718720378, + 79824.503528560454, + 79846.915911475327, + 79869.329867244203, + 79891.745395646343, + 79914.162496461155, + 79936.581169468045, + 79959.001414446553, + 79981.423231176261, + 80003.846619436852, + 80026.271579008084, + 80048.698109669771, + 80071.12621120183, + 80093.555883384237, + 80115.987125997053, + 80138.419938820414, + 80160.854321634528, + 80183.290274219689, + 80205.727796356281, + 80228.166887824715, + 80250.607548405547, + 80273.049777879336, + 80295.493576026798, + 80317.938942628651, + 80340.385877465727, + 80362.834380318949, + 80385.28445096928, + 80407.736089197788, + 80430.189294785596, + 80452.644067513917, + 80475.100407164035, + 80497.558313517322, + 80520.017786355209, + 80542.478825459213, + 80564.941430610925, + 80587.405601592007, + 80609.871338184195, + 80632.338640169342, + 80654.8075073293, + 80677.277939446067, + 80699.749936301683, + 80722.223497678278, + 80744.698623358039, + 80767.17531312324, + 80789.653566756242, + 80812.133384039465, + 80834.614764755403, + 80857.097708686648, + 80879.582215615854, + 80902.068285325731, + 80924.555917599093, + 80947.045112218824, + 80969.535868967869, + 80992.028187629272, + 81014.522067986123, + 81037.017509821613, + 81059.514512919006, + 81082.013077061609, + 81104.513202032831, + 81127.014887616184, + 81149.518133595193, + 81172.022939753486, + 81194.529305874807, + 81217.037231742899, + 81239.546717141639, + 81262.057761854958, + 81284.570365666848, + 81307.084528361403, + 81329.600249722775, + 81352.117529535186, + 81374.636367582949, + 81397.156763650448, + 81419.678717522125, + 81442.202228982511, + 81464.727297816222, + 81487.253923807933, + 81509.782106742379, + 81532.311846404409, + 81554.843142578902, + 81577.375995050839, + 81599.910403605274, + 81622.446368027333, + 81644.983888102215, + 81667.522963615178, + 81690.063594351581, + 81712.605780096841, + 81735.149520636449, + 81757.694815755967, + 81780.241665241047, + 81802.79006887741, + 81825.340026450824, + 81847.891537747171, + 81870.444602552379, + 81892.999220652477, + 81915.555391833506, + 81938.113115881672, + 81960.672392583176, + 81983.233221724338, + 82005.795603091537, + 82028.359536471224, + 82050.925021649906, + 82073.492058414209, + 82096.060646550788, + 82118.630785846399, + 82141.202476087841, + 82163.775717062032, + 82186.35050855593, + 82208.926850356569, + 82231.504742251054, + 82254.084184026578, + 82276.665175470393, + 82299.24771636985, + 82321.831806512317, + 82344.417445685307, + 82367.004633676348, + 82389.593370273054, + 82412.183655263143, + 82434.775488434374, + 82457.368869574595, + 82479.963798471697, + 82502.560274913689, + 82525.158298688606, + 82547.757869584602, + 82570.35898738986, + 82592.961651892678, + 82615.565862881398, + 82638.171620144421, + 82660.778923470265, + 82683.387772647475, + 82705.998167464713, + 82728.610107710658, + 82751.223593174116, + 82773.83862364394, + 82796.45519890904, + 82819.073318758441, + 82841.692982981185, + 82864.314191366429, + 82886.936943703375, + 82909.561239781324, + 82932.187079389638, + 82954.814462317736, + 82977.443388355125, + 83000.073857291369, + 83022.70586891612, + 83045.339423019104, + 83067.974519390089, + 83090.611157818959, + 83113.249338095629, + 83135.8890600101, + 83158.530323352461, + 83181.173127912858, + 83203.817473481497, + 83226.463359848669, + 83249.11078680474, + 83271.759754140134, + 83294.410261645375, + 83317.062309111003, + 83339.715896327703, + 83362.371023086147, + 83385.027689177165, + 83407.685894391587, + 83430.345638520361, + 83453.006921354478, + 83475.669742685001, + 83498.334102303095, + 83520.999999999942, + 83543.667435566866, + 83566.336408795192, + 83589.006919476349, + 83611.678967401851, + 83634.352552363242, + 83657.027674152167, + 83679.704332560359, + 83702.382527379552, + 83725.062258401638, + 83747.743525418511, + 83770.42632822218, + 83793.110666604684, + 83815.796540358162, + 83838.483949274829, + 83861.172893146941, + 83883.863371766842, + 83906.555384926964, + 83929.248932419752, + 83951.944014037799, + 83974.640629573696, + 83997.338778820151, + 84020.038461569929, + 84042.739677615857, + 84065.442426750829, + 84088.146708767847, + 84110.852523459922, + 84133.559870620171, + 84156.268750041796, + 84178.979161518029, + 84201.691104842204, + 84224.404579807713, + 84247.119586208006, + 84269.83612383662, + 84292.55419248715, + 84315.273791953281, + 84337.994922028738, + 84360.717582507335, + 84383.441773182945, + 84406.167493849513, + 84428.894744301069, + 84451.623524331691, + 84474.353833735542, + 84497.085672306828, + 84519.819039839858, + 84542.553936128999, + 84565.290360968676, + 84588.028314153402, + 84610.767795477717, + 84633.508804736295, + 84656.251341723822, + 84678.995406235073, + 84701.740998064924, + 84724.488117008252, + 84747.236762860062, + 84769.986935415407, + 84792.73863446941, + 84815.491859817252, + 84838.246611254188, + 84861.002888575575, + 84883.760691576768, + 84906.520020053256, + 84929.28087380057, + 84952.043252614312, + 84974.807156290146, + 84997.572584623806, + 85020.339537411113, + 85043.108014447949, + 85065.878015530237, + 85088.649540453989, + 85111.422589015303, + 85134.197161010321, + 85156.973256235244, + 85179.750874486374, + 85202.530015560071, + 85225.310679252725, + 85248.092865360857, + 85270.876573681016, + 85293.661804009811, + 85316.448556143951, + 85339.236829880188, + 85362.026625015351, + 85384.817941346351, + 85407.610778670132, + 85430.405136783724, + 85453.201015484257, + 85475.998414568865, + 85498.797333834795, + 85521.597773079353, + 85544.399732099904, + 85567.203210693886, + 85590.008208658808, + 85612.814725792239, + 85635.62276189182, + 85658.432316755265, + 85681.243390180331, + 85704.055981964877, + 85726.870091906807, + 85749.685719804082, + 85772.502865454764, + 85795.321528656961, + 85818.141709208852, + 85840.963406908675, + 85863.78662155474, + 85886.611352945445, + 85909.437600879217, + 85932.26536515457, + 85955.094645570091, + 85977.92544192441, + 86000.757754016275, + 86023.591581644432, + 86046.426924607746, + 86069.263782705122, + 86092.102155735556, + 86114.942043498071, + 86137.783445791807, + 86160.626362415918, + 86183.470793169676, + 86206.316737852379, + 86229.164196263402, + 86252.013168202204, + 86274.863653468303, + 86297.715651861261, + 86320.569163180728, + 86343.424187226425, + 86366.280723798132, + 86389.138772695675, + 86411.998333718977, + 86434.859406668009, + 86457.721991342827, + 86480.586087543532, + 86503.451695070296, + 86526.318813723352, + 86549.187443303032, + 86572.057583609683, + 86594.929234443756, + 86617.802395605773, + 86640.677066896271, + 86663.553248115903, + 86686.43093906538, + 86709.310139545443, + 86732.190849356964, + 86755.073068300815, + 86777.956796177954, + 86800.842032789442, + 86823.728777936354, + 86846.617031419853, + 86869.506793041175, + 86892.398062601613, + 86915.290839902518, + 86938.185124745316, + 86961.080916931489, + 86983.978216262592, + 87006.87702254027, + 87029.777335566177, + 87052.67915514209, + 87075.582481069796, + 87098.487313151185, + 87121.39365118822, + 87144.301494982894, + 87167.210844337285, + 87190.121699053532, + 87213.034058933845, + 87235.947923780506, + 87258.863293395829, + 87281.780167582241, + 87304.698546142172, + 87327.618428878181, + 87350.539815592856, + 87373.462706088845, + 87396.387100168897, + 87419.312997635774, + 87442.240398292357, + 87465.16930194154, + 87488.099708386319, + 87511.031617429733, + 87533.965028874911, + 87556.899942525008, + 87579.836358183282, + 87602.774275653021, + 87625.713694737613, + 87648.654615240492, + 87671.597036965148, + 87694.540959715145, + 87717.486383294105, + 87740.433307505737, + 87763.381732153779, + 87786.331657042057, + 87809.283081974456, + 87832.236006754916, + 87855.190431187453, + 87878.146355076155, + 87901.103778225151, + 87924.062700438633, + 87947.023121520891, + 87969.985041276246, + 87992.948459509105, + 88015.913376023906, + 88038.879790625171, + 88061.847703117513, + 88084.817113305573, + 88107.788020994049, + 88130.760425987726, + 88153.734328091465, + 88176.709727110137, + 88199.686622848749, + 88222.665015112303, + 88245.644903705906, + 88268.626288434709, + 88291.609169103947, + 88314.593545518903, + 88337.579417484914, + 88360.566784807408, + 88383.555647291854, + 88406.546004743795, + 88429.537856968818, + 88452.531203772611, + 88475.52604496089, + 88498.522380339447, + 88521.52020971413, + 88544.519532890874, + 88567.520349675644, + 88590.522659874507, + 88613.526463293543, + 88636.531759738922, + 88659.538549016899, + 88682.546830933745, + 88705.556605295846, + 88728.567871909589, + 88751.580630581491, + 88774.594881118086, + 88797.610623325963, + 88820.62785701183, + 88843.646581982393, + 88866.666798044462, + 88889.688505004888, + 88912.711702670611, + 88935.7363908486, + 88958.762569345898, + 88981.790237969632, + 89004.81939652696, + 89027.850044825114, + 89050.882182671412, + 89073.9158098732, + 89096.950926237885, + 89119.987531572973, + 89143.025625686001, + 89166.065208384563, + 89189.106279476357, + 89212.148838769106, + 89235.192886070581, + 89258.238421188667, + 89281.285443931265, + 89304.333954106376, + 89327.383951522017, + 89350.435435986306, + 89373.488407307406, + 89396.542865293537, + 89419.598809753006, + 89442.656240494165, + 89465.715157325409, + 89488.775560055219, + 89511.837448492137, + 89534.900822444746, + 89557.965681721733, + 89581.032026131812, + 89604.099855483742, + 89627.169169586399, + 89650.239968248672, + 89673.312251279538, + 89696.386018488018, + 89719.461269683205, + 89742.53800467425, + 89765.616223270365, + 89788.69592528083, + 89811.777110514988, + 89834.859778782207, + 89857.943929891975, + 89881.029563653807, + 89904.116679877261, + 89927.205278372014, + 89950.29535894774, + 89973.386921414218, + 89996.479965581268, + 90019.574491258769, + 90042.670498256688, + 90065.767986385021, + 90088.866955453836, + 90111.967405273259, + 90135.069335653476, + 90158.172746404758, + 90181.277637337407, + 90204.384008261797, + 90227.49185898836, + 90250.601189327586, + 90273.711999090039, + 90296.824288086325, + 90319.938056127125, + 90343.053303023189, + 90366.170028585286, + 90389.288232624298, + 90412.407914951138, + 90435.529075376777, + 90458.651713712257, + 90481.775829768681, + 90504.901423357209, + 90528.028494289058, + 90551.157042375504, + 90574.287067427911, + 90597.418569257643, + 90620.551547676194, + 90643.686002495073, + 90666.821933525847, + 90689.959340580186, + 90713.098223469773, + 90736.238582006365, + 90759.380416001804, + 90782.523725267951, + 90805.668509616764, + 90828.814768860233, + 90851.962502810435, + 90875.11171127946, + 90898.262394079517, + 90921.414551022855, + 90944.568181921743, + 90967.72328658856, + 90990.879864835719, + 91014.037916475718, + 91037.19744132107, + 91060.358439184391, + 91083.520909878338, + 91106.684853215629, + 91129.850269009039, + 91153.017157071401, + 91176.185517215621, + 91199.355349254649, + 91222.526653001492, + 91245.699428269247, + 91268.873674871036, + 91292.049392620058, + 91315.226581329553, + 91338.405240812834, + 91361.585370883287, + 91384.766971354344, + 91407.950042039476, + 91431.134582752245, + 91454.320593306256, + 91477.508073515171, + 91500.697023192712, + 91523.887442152685, + 91547.07933020893, + 91570.272687175326, + 91593.467512865856, + 91616.663807094534, + 91639.861569675442, + 91663.060800422725, + 91686.261499150554, + 91709.463665673218, + 91732.66729980502, + 91755.872401360321, + 91779.078970153569, + 91802.287005999257, + 91825.49650871192, + 91848.707478106167, + 91871.91991399668, + 91895.133816198169, + 91918.349184525418, + 91941.566018793281, + 91964.784318816659, + 91988.004084410495, + 92011.22531538982, + 92034.448011569708, + 92057.672172765277, + 92080.897798791746, + 92104.124889464365, + 92127.353444598411, + 92150.58346400928, + 92173.814947512379, + 92197.04789492322, + 92220.282306057314, + 92243.518180730272, + 92266.755518757753, + 92289.994319955469, + 92313.234584139194, + 92336.476311124774, + 92359.719500728082, + 92382.964152765067, + 92406.210267051734, + 92429.457843404161, + 92452.706881638471, + 92475.957381570814, + 92499.209343017443, + 92522.462765794655, + 92545.717649718805, + 92568.973994606305, + 92592.231800273614, + 92615.491066537259, + 92638.751793213814, + 92662.01398011994, + 92685.277627072326, + 92708.54273388772, + 92731.809300382942, + 92755.077326374871, + 92778.346811680414, + 92801.617756116568, + 92824.890159500384, + 92848.164021648947, + 92871.439342379424, + 92894.716121509016, + 92917.994358855023, + 92941.274054234746, + 92964.555207465572, + 92987.837818364962, + 93011.121886750407, + 93034.407412439468, + 93057.694395249753, + 93080.982834998955, + 93104.272731504767, + 93127.564084584999, + 93150.856894057491, + 93174.15115974014, + 93197.446881450916, + 93220.744059007804, + 93244.04269222889, + 93267.342780932304, + 93290.644324936235, + 93313.947324058914, + 93337.251778118633, + 93360.557686933767, + 93383.865050322696, + 93407.173868103928, + 93430.484140095941, + 93453.795866117362, + 93477.109045986799, + 93500.423679522952, + 93523.739766544561, + 93547.057306870454, + 93570.376300319491, + 93593.696746710571, + 93617.018645862699, + 93640.341997594893, + 93663.666801726242, + 93686.993058075881, + 93710.320766463032, + 93733.64992670693, + 93756.980538626914, + 93780.312602042337, + 93803.646116772637, + 93826.981082637285, + 93850.317499455836, + 93873.655367047861, + 93896.994685233032, + 93920.335453831038, + 93943.677672661666, + 93967.021341544707, + 93990.366460300051, + 94013.713028747632, + 94037.061046707429, + 94060.410513999494, + 94083.761430443905, + 94107.113795860845, + 94130.467610070496, + 94153.822872893157, + 94177.179584149111, + 94200.537743658759, + 94223.897351242529, + 94247.25840672091, + 94270.620909914433, + 94293.98486064373, + 94317.350258729421, + 94340.71710399224, + 94364.085396252936, + 94387.455135332348, + 94410.82632105134, + 94434.198953230851, + 94457.573031691878, + 94480.948556255447, + 94504.325526742658, + 94527.70394297468, + 94551.083804772716, + 94574.465111958023, + 94597.847864351934, + 94621.232061775823, + 94644.617704051096, + 94668.004790999272, + 94691.393322441872, + 94714.783298200506, + 94738.174718096794, + 94761.567581952477, + 94784.961889589307, + 94808.357640829097, + 94831.754835493703, + 94855.153473405066, + 94878.553554385173, + 94901.955078256055, + 94925.358044839784, + 94948.762453958523, + 94972.168305434476, + 94995.575599089891, + 95018.984334747074, + 95042.394512228391, + 95065.806131356265, + 95089.219191953176, + 95112.633693841635, + 95136.04963684424, + 95159.467020783617, + 95182.885845482466, + 95206.306110763529, + 95229.727816449609, + 95253.150962363579, + 95276.575548328314, + 95300.001574166803, + 95323.429039702052, + 95346.857944757154, + 95370.288289155214, + 95393.720072719429, + 95417.153295273019, + 95440.587956639298, + 95464.024056641589, + 95487.461595103305, + 95510.900571847902, + 95534.340986698866, + 95557.782839479783, + 95581.226130014256, + 95604.670858125959, + 95628.117023638595, + 95651.564626375985, + 95675.013666161918, + 95698.464142820303, + 95721.916056175076, + 95745.369406050231, + 95768.824192269807, + 95792.280414657915, + 95815.738073038709, + 95839.197167236387, + 95862.657697075221, + 95886.11966237954, + 95909.583062973688, + 95933.047898682111, + 95956.514169329268, + 95979.981874739708, + 96003.451014738006, + 96026.921589148798, + 96050.393597796792, + 96073.867040506724, + 96097.341917103375, + 96120.818227411626, + 96144.295971256375, + 96167.775148462577, + 96191.255758855244, + 96214.737802259449, + 96238.221278500292, + 96261.70618740299, + 96285.192528792715, + 96308.680302494788, + 96332.169508334526, + 96355.660146137321, + 96379.152215728609, + 96402.645716933868, + 96426.14064957868, + 96449.637013488609, + 96473.134808489311, + 96496.63403440651, + 96520.134691065963, + 96543.636778293469, + 96567.140295914898, + 96590.645243756153, + 96614.151621643221, + 96637.659429402134, + 96661.168666858954, + 96684.679333839798, + 96708.191430170875, + 96731.70495567839, + 96755.219910188665, + 96778.736293528011, + 96802.254105522836, + 96825.77334599958, + 96849.29401478474, + 96872.816111704873, + 96896.339636586577, + 96919.864589256511, + 96943.390969541389, + 96966.918777267958, + 96990.448012263048, + 97013.978674353522, + 97037.510763366285, + 97061.044279128328, + 97084.579221466673, + 97108.115590208385, + 97131.653385180587, + 97155.19260621049, + 97178.733253125291, + 97202.2753257523, + 97225.81882391886, + 97249.363747452342, + 97272.910096180189, + 97296.457869929916, + 97320.007068529041, + 97343.557691805196, + 97367.109739586012, + 97390.663211699197, + 97414.218107972498, + 97437.774428233737, + 97461.332172310766, + 97484.891340031507, + 97508.451931223899, + 97532.013945715982, + 97555.577383335811, + 97579.142243911512, + 97602.708527271257, + 97626.276233243261, + 97649.845361655811, + 97673.415912337223, + 97696.987885115886, + 97720.561279820206, + 97744.1360962787, + 97767.712334319876, + 97791.289993772341, + 97814.869074464703, + 97838.449576225685, + 97862.031498883996, + 97885.614842268449, + 97909.199606207883, + 97932.785790531183, + 97956.37339506732, + 97979.962419645264, + 98003.552864094076, + 98027.144728242856, + 98050.738011920766, + 98074.332714956996, + 98097.928837180807, + 98121.526378421506, + 98145.125338508456, + 98168.725717271067, + 98192.327514538789, + 98215.930730141132, + 98239.535363907664, + 98263.141415668011, + 98286.748885251814, + 98310.357772488816, + 98333.968077208759, + 98357.579799241488, + 98381.192938416847, + 98404.807494564782, + 98428.42346751524, + 98452.040857098269, + 98475.659663143917, + 98499.27988548232, + 98522.901523943656, + 98546.524578358163, + 98570.149048556093, + 98593.774934367786, + 98617.402235623624, + 98641.030952154048, + 98664.661083789513, + 98688.292630360564, + 98711.925591697771, + 98735.559967631794, + 98759.195757993293, + 98782.832962613014, + 98806.471581321734, + 98830.111613950285, + 98853.753060329575, + 98877.39592029051, + 98901.040193664099, + 98924.68588028138, + 98948.33297997342, + 98971.981492571387, + 98995.63141790645, + 99019.282755809851, + 99042.935506112874, + 99066.589668646877, + 99090.245243243233, + 99113.902229733401, + 99137.560627948857, + 99161.220437721131, + 99184.881658881859, + 99208.544291262631, + 99232.208334695169, + 99255.87378901121, + 99279.540654042547, + 99303.208929621018, + 99326.878615578535, + 99350.549711746993, + 99374.222217958435, + 99397.896134044888, + 99421.571459838422, + 99445.248195171211, + 99468.926339875441, + 99492.605893783344, + 99516.286856727209, + 99539.969228539398, + 99563.653009052287, + 99587.338198098325, + 99611.024795510006, + 99634.712801119866, + 99658.402214760499, + 99682.093036264545, + 99705.785265464699, + 99729.478902193689, + 99753.173946284325, + 99776.870397569437, + 99800.56825588191, + 99824.267521054688, + 99847.968192920773, + 99871.670271313182, + 99895.373756065004, + 99919.078647009388, + 99942.78494397951, + 99966.492646808634, + 99990.20175533001, + 100013.91226937699, + 100037.62418878295, + 100061.33751338134, + 100085.05224300563, + 100108.76837748935, + 100132.4859166661, + 100156.2048603695, + 100179.92520843323, + 100203.64696069101, + 100227.37011697664, + 100251.09467712394, + 100274.82064096678, + 100298.54800833909, + 100322.27677907483, + 100346.00695300807, + 100369.73852997283, + 100393.47150980328, + 100417.20589233354, + 100440.94167739789, + 100464.67886483055, + 100488.41745446586, + 100512.1574461382, + 100535.89883968196, + 100559.64163493161, + 100583.38583172169, + 100607.13142988674, + 100630.87842926137, + 100654.62682968024, + 100678.37663097809, + 100702.12783298964, + 100725.88043554971, + 100749.63443849317, + 100773.38984165489, + 100797.14664486986, + 100820.90484797307, + 100844.66445079957, + 100868.42545318443, + 100892.18785496285, + 100915.95165596998, + 100939.71685604109, + 100963.48345501146, + 100987.25145271645, + 101011.02084899142, + 101034.79164367182, + 101058.56383659317, + 101082.33742759094, + 101106.11241650078, + 101129.88880315828, + 101153.66658739912, + 101177.44576905905, + 101201.22634797383, + 101225.00832397929, + 101248.7916969113, + 101272.57646660579, + 101296.36263289873, + 101320.15019562612, + 101343.93915462404, + 101367.7295097286, + 101391.52126077596, + 101415.31440760233, + 101439.10895004397, + 101462.9048879372, + 101486.70222111834, + 101510.50094942382, + 101534.30107269008, + 101558.10259075361, + 101581.90550345098, + 101605.70981061876, + 101629.5155120936, + 101653.32260771218, + 101677.13109731126, + 101700.9409807276, + 101724.75225779804, + 101748.56492835947, + 101772.37899224881, + 101796.19444930303, + 101820.01129935916, + 101843.82954225427, + 101867.64917782549, + 101891.47020590997, + 101915.29262634492, + 101939.11643896763, + 101962.94164361537, + 101986.76824012553, + 102010.59622833549, + 102034.42560808272, + 102058.25637920471, + 102082.08854153901, + 102105.9220949232, + 102129.75703919494, + 102153.59337419191, + 102177.43109975185, + 102201.27021571253, + 102225.1107219118, + 102248.95261818753, + 102272.79590437764, + 102296.64058032009, + 102320.48664585294, + 102344.33410081422, + 102368.18294504205, + 102392.03317837461, + 102415.88480065008, + 102439.73781170673, + 102463.59221138287, + 102487.44799951684, + 102511.30517594704, + 102535.1637405119, + 102559.02369304992, + 102582.88503339965, + 102606.74776139967, + 102630.61187688859, + 102654.4773797051, + 102678.34426968795, + 102702.21254667587, + 102726.08221050771, + 102749.95326102231, + 102773.8256980586, + 102797.69952145554, + 102821.57473105213, + 102845.45132668741, + 102869.32930820051, + 102893.20867543056, + 102917.08942821674, + 102940.97156639832, + 102964.85508981455, + 102988.73999830478, + 103012.6262917084, + 103036.51396986481, + 103060.40303261351, + 103084.293479794, + 103108.18531124585, + 103132.07852680866, + 103155.97312632212, + 103179.8691096259, + 103203.76647655977, + 103227.66522696352, + 103251.56536067701, + 103275.46687754011, + 103299.36977739276, + 103323.27406007495, + 103347.1797254267, + 103371.0867732881, + 103394.99520349925, + 103418.90501590034, + 103442.81621033157, + 103466.72878663319, + 103490.64274464553, + 103514.55808420894, + 103538.4748051638, + 103562.39290735057, + 103586.31239060973, + 103610.23325478184, + 103634.15549970744, + 103658.07912522719, + 103682.00413118176, + 103705.93051741188, + 103729.85828375829, + 103753.78743006183, + 103777.71795616332, + 103801.64986190372, + 103825.58314712394, + 103849.51781166498, + 103873.4538553679, + 103897.39127807376, + 103921.33007962372, + 103945.27025985894, + 103969.21181862066, + 103993.15475575015, + 104017.0990710887, + 104041.0447644777, + 104064.99183575854, + 104088.94028477269, + 104112.89011136163, + 104136.84131536692, + 104160.79389663014, + 104184.74785499295, + 104208.70319029699, + 104232.65990238401, + 104256.61799109577, + 104280.57745627411, + 104304.53829776087, + 104328.50051539797, + 104352.46410902737, + 104376.42907849104, + 104400.39542363105, + 104424.36314428948, + 104448.33224030846, + 104472.3027115302, + 104496.27455779689, + 104520.24777895081, + 104544.22237483428, + 104568.19834528965, + 104592.17569015936, + 104616.15440928582, + 104640.13450251156, + 104664.1159696791, + 104688.09881063103, + 104712.08302520998, + 104736.06861325864, + 104760.05557461972, + 104784.043909136, + 104808.03361665027, + 104832.0246970054, + 104856.01715004431, + 104880.01097560991, + 104904.00617354522, + 104928.00274369326, + 104952.00068589712, + 104975.99999999993, + 105000.00068584486, + 105024.00274327511, + 105048.00617213396, + 105072.0109722647, + 105096.0171435107, + 105120.02468571534, + 105144.03359872208, + 105168.04388237436, + 105192.05553651576, + 105216.06856098982, + 105240.08295564017, + 105264.09872031047, + 105288.11585484444, + 105312.13435908582, + 105336.1542328784, + 105360.17547606604, + 105384.19808849262, + 105408.22207000206, + 105432.24742043833, + 105456.27413964548, + 105480.30222746753, + 105504.33168374863, + 105528.36250833291, + 105552.39470106458, + 105576.42826178786, + 105600.46319034706, + 105624.49948658649, + 105648.53715035053, + 105672.5761814836, + 105696.61657983017, + 105720.65834523473, + 105744.70147754184, + 105768.7459765961, + 105792.79184224214, + 105816.83907432464, + 105840.88767268835, + 105864.93763717801, + 105888.98896763846, + 105913.04166391456, + 105937.09572585119, + 105961.15115329332, + 105985.20794608595, + 106009.26610407409, + 106033.32562710284, + 106057.38651501729, + 106081.44876766266, + 106105.51238488412, + 106129.57736652695, + 106153.64371243643, + 106177.71142245791, + 106201.78049643678, + 106225.85093421848, + 106249.92273564848, + 106273.99590057228, + 106298.07042883546, + 106322.14632028362, + 106346.22357476239, + 106370.30219211751, + 106394.38217219469, + 106418.46351483969, + 106442.54621989837, + 106466.63028721658, + 106490.71571664025, + 106514.80250801529, + 106538.89066118775, + 106562.98017600364, + 106587.07105230905, + 106611.16328995011, + 106635.25688877302, + 106659.35184862395, + 106683.44816934918, + 106707.54585079502, + 106731.64489280782, + 106755.74529523395, + 106779.84705791986, + 106803.95018071201, + 106828.05466345693, + 106852.16050600118, + 106876.26770819137, + 106900.37626987413, + 106924.48619089619, + 106948.59747110425, + 106972.71011034511, + 106996.82410846559, + 107020.93946531253, + 107045.05618073288, + 107069.17425457356, + 107093.29368668159, + 107117.41447690397, + 107141.53662508781, + 107165.66013108024, + 107189.7849947284, + 107213.91121587952, + 107238.03879438085, + 107262.16773007967, + 107286.29802282334, + 107310.42967245923, + 107334.56267883476, + 107358.69704179741, + 107382.83276119467, + 107406.96983687414, + 107431.10826868335, + 107455.24805646999, + 107479.38920008171, + 107503.53169936626, + 107527.67555417139, + 107551.82076434491, + 107575.96732973469, + 107600.11525018861, + 107624.26452555459, + 107648.41515568066, + 107672.56714041479, + 107696.72047960508, + 107720.87517309963, + 107745.03122074658, + 107769.18862239413, + 107793.34737789053, + 107817.50748708403, + 107841.66894982298, + 107865.83176595572, + 107889.99593533068, + 107914.16145779629, + 107938.32833320105, + 107962.49656139348, + 107986.66614222217, + 108010.83707553572, + 108035.00936118282, + 108059.18299901215, + 108083.35798887245, + 108107.53433061253, + 108131.71202408121, + 108155.89106912735, + 108180.07146559987, + 108204.25321334775, + 108228.43631221994, + 108252.62076206553, + 108276.80656273357, + 108300.99371407321, + 108325.18221593359, + 108349.37206816394, + 108373.56327061349, + 108397.75582313156, + 108421.94972556747, + 108446.1449777706, + 108470.34157959036, + 108494.53953087622, + 108518.73883147769, + 108542.93948124432, + 108567.14148002568, + 108591.34482767139, + 108615.54952403114, + 108639.75556895464, + 108663.96296229165, + 108688.17170389196, + 108712.38179360541, + 108736.59323128188, + 108760.80601677128, + 108785.02014992358, + 108809.23563058881, + 108833.45245861699, + 108857.67063385822, + 108881.89015616261, + 108906.11102538036, + 108930.33324136167, + 108954.55680395682, + 108978.78171301607, + 109003.00796838976, + 109027.23556992831, + 109051.46451748211, + 109075.69481090162, + 109099.92645003737, + 109124.15943473989, + 109148.39376485976, + 109172.62944024763, + 109196.86646075416, + 109221.10482623006, + 109245.34453652608, + 109269.58559149304, + 109293.82799098175, + 109318.07173484311, + 109342.31682292801, + 109366.56325508743, + 109390.81103117237, + 109415.06015103387, + 109439.31061452301, + 109463.56242149093, + 109487.8155717888, + 109512.07006526781, + 109536.3259017792, + 109560.58308117429, + 109584.8416033044, + 109609.1014680209, + 109633.36267517522, + 109657.62522461878, + 109681.88911620311, + 109706.15434977971, + 109730.4209252002, + 109754.68884231619, + 109778.95810097932, + 109803.22870104131, + 109827.50064235389, + 109851.77392476884, + 109876.04854813802, + 109900.32451231324, + 109924.60181714644, + 109948.88046248957, + 109973.1604481946, + 109997.44177411357, + 110021.72444009855, + 110046.00844600165, + 110070.29379167501, + 110094.58047697082, + 110118.86850174134, + 110143.15786583882, + 110167.44856911557, + 110191.74061142397, + 110216.03399261639, + 110240.32871254528, + 110264.62477106311, + 110288.9221680224, + 110313.22090327571, + 110337.52097667565, + 110361.82238807483, + 110386.12513732594, + 110410.42922428172, + 110434.73464879491, + 110459.04141071832, + 110483.34950990479, + 110507.6589462072, + 110531.96971947847, + 110556.28182957157, + 110580.5952763395, + 110604.91005963532, + 110629.22617931209, + 110653.54363522294, + 110677.86242722106, + 110702.18255515963, + 110726.50401889188, + 110750.82681827113, + 110775.1509531507, + 110799.47642338395, + 110823.80322882428, + 110848.13136932514, + 110872.46084474004, + 110896.79165492248, + 110921.12379972603, + 110945.4572790043, + 110969.79209261097, + 110994.12824039967, + 111018.46572222417, + 111042.80453793822, + 111067.14468739564, + 111091.48617045028, + 111115.82898695602, + 111140.1731367668, + 111164.51861973655, + 111188.86543571933, + 111213.21358456917, + 111237.56306614014, + 111261.91388028639, + 111286.26602686207, + 111310.61950572141, + 111334.97431671864, + 111359.33045970804, + 111383.68793454397, + 111408.04674108078, + 111432.40687917286, + 111456.76834867468, + 111481.13114944073, + 111505.49528132551, + 111529.86074418361, + 111554.22753786964, + 111578.59566223821, + 111602.96511714405, + 111627.33590244185, + 111651.7080179864, + 111676.08146363248, + 111700.45623923496, + 111724.8323446487, + 111749.20977972864, + 111773.58854432974, + 111797.96863830699, + 111822.35006151545, + 111846.73281381019, + 111871.11689504632, + 111895.50230507903, + 111919.8890437635, + 111944.27711095495, + 111968.6665065087, + 111993.05723028004, + 112017.44928212435, + 112041.842661897, + 112066.23736945343, + 112090.63340464912, + 112115.03076733962, + 112139.42945738042, + 112163.82947462716, + 112188.23081893545, + 112212.63349016097, + 112237.03748815943, + 112261.44281278658, + 112285.84946389822, + 112310.25744135017, + 112334.66674499828, + 112359.07737469849, + 112383.48933030672, + 112407.90261167898, + 112432.31721867126, + 112456.73315113965, + 112481.15040894024, + 112505.56899192919, + 112529.98889996267, + 112554.41013289688, + 112578.8326905881, + 112603.25657289263, + 112627.68177966679, + 112652.10831076698, + 112676.53616604958, + 112700.96534537108, + 112725.39584858794, + 112749.82767555672, + 112774.26082613398, + 112798.6953001763, + 112823.13109754038, + 112847.56821808286, + 112872.00666166049, + 112896.44642813003, + 112920.88751734827, + 112945.32992917208, + 112969.77366345831, + 112994.21872006389, + 113018.66509884578, + 113043.11279966099, + 113067.56182236652, + 113092.01216681948, + 113116.46383287695, + 113140.9168203961, + 113165.37112923413, + 113189.82675924824, + 113214.28371029573, + 113238.74198223387, + 113263.20157492002, + 113287.66248821157, + 113312.12472196593, + 113336.58827604055, + 113361.05315029295, + 113385.51934458067, + 113409.98685876124, + 113434.45569269233, + 113458.92584623155, + 113483.39731923661, + 113507.87011156522, + 113532.34422307517, + 113556.81965362425, + 113581.2964030703, + 113605.77447127122, + 113630.25385808491, + 113654.73456336933, + 113679.2165869825, + 113703.69992878241, + 113728.18458862718, + 113752.67056637487, + 113777.15786188368, + 113801.64647501177, + 113826.13640561736, + 113850.62765355874, + 113875.12021869418, + 113899.61410088204, + 113924.1092999807, + 113948.60581584855, + 113973.10364834407, + 113997.60279732574, + 114022.1032626521, + 114046.60504418171, + 114071.10814177318, + 114095.61255528514, + 114120.11828457628, + 114144.62532950533, + 114169.13368993104, + 114193.6433657122, + 114218.15435670764, + 114242.66666277625, + 114267.18028377694, + 114291.69521956862, + 114316.21147001031, + 114340.72903496103, + 114365.24791427983, + 114389.7681078258, + 114414.2896154581, + 114438.81243703589, + 114463.33657241837, + 114487.8620214648, + 114512.38878403447, + 114536.91685998671, + 114561.44624918087, + 114585.97695147636, + 114610.5089667326, + 114635.04229480909, + 114659.57693556532, + 114684.11288886084, + 114708.65015455526, + 114733.18873250818, + 114757.72862257928, + 114782.26982462825, + 114806.81233851484, + 114831.35616409882, + 114855.90130123998, + 114880.44774979822, + 114904.99550963337, + 114929.5445806054, + 114954.09496257425, + 114978.64665539992, + 115003.19965894247, + 115027.75397306195, + 115052.30959761847, + 115076.86653247218, + 115101.42477748329, + 115125.984332512, + 115150.54519741859, + 115175.10737206334, + 115199.67085630659, + 115224.23565000873, + 115248.80175303014, + 115273.3691652313, + 115297.93788647266, + 115322.50791661476, + 115347.07925551817, + 115371.65190304347, + 115396.22585905129, + 115420.80112340231, + 115445.37769595724, + 115469.95557657682, + 115494.53476512182, + 115519.11526145306, + 115543.69706543141, + 115568.28017691776, + 115592.86459577303, + 115617.4503218582, + 115642.03735503425, + 115666.62569516223, + 115691.21534210323, + 115715.80629571836, + 115740.39855586876, + 115764.99212241563, + 115789.58699522018, + 115814.18317414368, + 115838.78065904744, + 115863.37944979276, + 115887.97954624105, + 115912.5809482537, + 115937.18365569216, + 115961.78766841792, + 115986.39298629249, + 116010.99960917742, + 116035.60753693432, + 116060.21676942479, + 116084.82730651053, + 116109.43914805322, + 116134.0522939146, + 116158.66674395646, + 116183.2824980406, + 116207.89955602887, + 116232.51791778316, + 116257.13758316539, + 116281.75855203751, + 116306.38082426153, + 116331.00439969949, + 116355.62927821343, + 116380.25545966547, + 116404.88294391775, + 116429.51173083246, + 116454.14182027178, + 116478.77321209799, + 116503.40590617337, + 116528.03990236025, + 116552.67520052097, + 116577.31180051794, + 116601.94970221359, + 116626.5889054704, + 116651.22941015086, + 116675.87121611751, + 116700.51432323294, + 116725.15873135976, + 116749.8044403606, + 116774.45145009817, + 116799.0997604352, + 116823.74937123443, + 116848.40028235866, + 116873.05249367072, + 116897.70600503348, + 116922.36081630984, + 116947.01692736275, + 116971.67433805518, + 116996.33304825013, + 117020.99305781067, + 117045.65436659988, + 117070.31697448085, + 117094.98088131678, + 117119.64608697082, + 117144.31259130624, + 117168.98039418629, + 117193.64949547425, + 117218.31989503348, + 117242.99159272734, + 117267.66458841923, + 117292.33888197262, + 117317.01447325097, + 117341.6913621178, + 117366.36954843666, + 117391.04903207115, + 117415.72981288488, + 117440.41189074152, + 117465.09526550474, + 117489.77993703831, + 117514.46590520597, + 117539.15316987153, + 117563.84173089883, + 117588.53158815173, + 117613.22274149416, + 117637.91519079007, + 117662.60893590341, + 117687.30397669821, + 117712.00031303853, + 117736.69794478847, + 117761.39687181212, + 117786.09709397367, + 117810.7986111373, + 117835.50142316725, + 117860.20552992777, + 117884.91093128319, + 117909.6176270978, + 117934.32561723603, + 117959.03490156225, + 117983.74547994092, + 118008.45735223651, + 118033.17051831353, + 118057.88497803656, + 118082.60073127014, + 118107.31777787894, + 118132.03611772758, + 118156.75575068076, + 118181.47667660323, + 118206.19889535972, + 118230.92240681504, + 118255.64721083404, + 118280.37330728157, + 118305.10069602253, + 118329.82937692189, + 118354.55934984458, + 118379.29061465565, + 118404.02317122012, + 118428.75701940308, + 118453.49215906965, + 118478.22859008498, + 118502.96631231424, + 118527.70532562268, + 118552.44562987552, + 118577.18722493808, + 118601.93011067568, + 118626.67428695368, + 118651.41975363747, + 118676.16651059251, + 118700.91455768423, + 118725.66389477813, + 118750.41452173979, + 118775.16643843475, + 118799.91964472862, + 118824.67414048707, + 118849.42992557574, + 118874.18699986035, + 118898.94536320666, + 118923.70501548045, + 118948.46595654752, + 118973.22818627374, + 118997.99170452499, + 119022.7565111672, + 119047.52260606633, + 119072.28998908834, + 119097.0586600993, + 119121.82861896523, + 119146.59986555226, + 119171.3723997265, + 119196.14622135412, + 119220.92133030134, + 119245.69772643436, + 119270.47540961947, + 119295.25437972297, + 119320.03463661121, + 119344.81618015055, + 119369.5990102074, + 119394.38312664822, + 119419.16852933947, + 119443.95521814766, + 119468.74319293935, + 119493.53245358112, + 119518.32299993958, + 119543.11483188139, + 119567.90794927324, + 119592.70235198183, + 119617.49803987393, + 119642.29501281632, + 119667.09327067583, + 119691.89281331931, + 119716.69364061367, + 119741.49575242582, + 119766.29914862274, + 119791.10382907141, + 119815.90979363887, + 119840.71704219218, + 119865.52557459843, + 119890.33539072477, + 119915.14649043836, + 119939.95887360642, + 119964.77254009615, + 119989.58748977486, + 120014.40372250983, + 120039.22123816841, + 120064.04003661797, + 120088.86011772591, + 120113.6814813597, + 120138.5041273868, + 120163.3280556747, + 120188.15326609099, + 120212.97975850321, + 120237.807532779, + 120262.63658878599, + 120287.46692639188, + 120312.29854546436, + 120337.13144587121, + 120361.9656274802, + 120386.80109015915, + 120411.63783377589, + 120436.47585819835, + 120461.31516329442, + 120486.15574893207, + 120510.99761497928, + 120535.84076130406, + 120560.68518777451, + 120585.53089425867, + 120610.3778806247, + 120635.22614674074, + 120660.07569247499, + 120684.92651769568, + 120709.77862227106, + 120734.63200606944, + 120759.48666895913, + 120784.3426108085, + 120809.19983148595, + 120834.05833085992, + 120858.91810879884, + 120883.77916517125, + 120908.64149984565, + 120933.5051126906, + 120958.37000357473, + 120983.23617236665, + 121008.10361893504, + 121032.97234314861, + 121057.84234487606, + 121082.71362398617, + 121107.58618034775, + 121132.46001382964, + 121157.33512430069, + 121182.21151162982, + 121207.08917568595, + 121231.96811633807, + 121256.84833345517, + 121281.72982690629, + 121306.61259656049, + 121331.49664228689, + 121356.38196395461, + 121381.26856143285, + 121406.15643459078, + 121431.04558329767, + 121455.93600742276, + 121480.82770683538, + 121505.72068140487, + 121530.61493100057, + 121555.51045549192, + 121580.40725474835, + 121605.30532863933, + 121630.20467703436, + 121655.10529980299, + 121680.00719681478, + 121704.91036793934, + 121729.81481304632, + 121754.72053200539, + 121779.62752468624, + 121804.53579095862, + 121829.44533069231, + 121854.3561437571, + 121879.26823002285, + 121904.1815893594, + 121929.09622163669, + 121954.01212672464, + 121978.92930449323, + 122003.84775481246, + 122028.76747755238, + 122053.68847258303, + 122078.61073977455, + 122103.53427899707, + 122128.45909012076, + 122153.38517301581, + 122178.31252755247, + 122203.24115360099, + 122228.17105103172, + 122253.10221971494, + 122278.03465952107, + 122302.96837032049, + 122327.90335198362, + 122352.83960438096, + 122377.777127383, + 122402.71592086025, + 122427.65598468333, + 122452.59731872278, + 122477.53992284928, + 122502.48379693348, + 122527.42894084606, + 122552.37535445779, + 122577.32303763942, + 122602.27199026172, + 122627.22221219557, + 122652.17370331181, + 122677.12646348133, + 122702.08049257506, + 122727.03579046397, + 122751.99235701906, + 122776.95019211136, + 122801.9092956119, + 122826.8696673918, + 122851.83130732219, + 122876.79421527422, + 122901.75839111909, + 122926.72383472799, + 122951.69054597223, + 122976.65852472307, + 123001.62777085182, + 123026.59828422987, + 123051.57006472857, + 123076.54311221937, + 123101.5174265737, + 123126.49300766307, + 123151.46985535898, + 123176.44796953299, + 123201.42735005668, + 123226.40799680166, + 123251.38990963959, + 123276.37308844214, + 123301.35753308103, + 123326.343243428, + 123351.33021935483, + 123376.31846073334, + 123401.30796743535, + 123426.29873933276, + 123451.29077629748, + 123476.28407820144, + 123501.2786449166, + 123526.27447631498, + 123551.27157226863, + 123576.26993264959, + 123601.26955732999, + 123626.27044618195, + 123651.27259907764, + 123676.27601588926, + 123701.28069648903, + 123726.28664074924, + 123751.29384854218, + 123776.30231974016, + 123801.31205421555, + 123826.32305184075, + 123851.33531248817, + 123876.34883603029, + 123901.36362233957, + 123926.37967128855, + 123951.39698274979, + 123976.41555659588, + 124001.43539269941, + 124026.45649093305, + 124051.47885116948, + 124076.50247328142, + 124101.5273571416, + 124126.55350262282, + 124151.58090959788, + 124176.60957793961, + 124201.63950752091, + 124226.67069821467, + 124251.70314989384, + 124276.73686243138, + 124301.7718357003, + 124326.80806957364, + 124351.84556392446, + 124376.88431862585, + 124401.92433355095, + 124426.96560857294, + 124452.00814356498, + 124477.05193840031, + 124502.0969929522, + 124527.14330709392, + 124552.19088069882, + 124577.23971364023, + 124602.28980579154, + 124627.34115702618, + 124652.3937672176, + 124677.44763623926, + 124702.50276396469, + 124727.55915026742, + 124752.61679502104, + 124777.67569809916, + 124802.73585937542, + 124827.79727872348, + 124852.85995601704, + 124877.92389112986, + 124902.98908393568, + 124928.05553430831, + 124953.1232421216, + 124978.19220724938, + 125003.26242956554, + 125028.33390894404, + 125053.40664525882, + 125078.48063838384, + 125103.55588819318, + 125128.63239456083, + 125153.71015736091, + 125178.78917646752, + 125203.86945175481, + 125228.95098309696, + 125254.03377036817, + 125279.1178134427, + 125304.20311219479, + 125329.28966649878, + 125354.37747622898, + 125379.46654125977, + 125404.55686146552, + 125429.6484367207, + 125454.74126689974, + 125479.83535187715, + 125504.93069152744, + 125530.02728572517, + 125555.12513434493, + 125580.22423726133, + 125605.32459434902, + 125630.4262054827, + 125655.52907053704, + 125680.63318938682, + 125705.73856190679, + 125730.84518797178, + 125755.9530674566, + 125781.06220023613, + 125806.17258618528, + 125831.28422517896, + 125856.39711709213, + 125881.51126179981, + 125906.62665917698, + 125931.74330909875, + 125956.86121144016, + 125981.98036607634, + 126007.10077288245, + 126032.22243173365, + 126057.34534250517, + 126082.46950507225, + 126107.59491931014, + 126132.72158509417, + 126157.84950229966, + 126182.97867080198, + 126208.10909047653, + 126233.24076119871, + 126258.37368284403, + 126283.50785528794, + 126308.64327840599, + 126333.77995207369, + 126358.91787616667, + 126384.0570505605, + 126409.19747513086, + 126434.3391497534, + 126459.48207430386, + 126484.62624865794, + 126509.77167269142, + 126534.9183462801, + 126560.06626929982, + 126585.21544162642, + 126610.36586313581, + 126635.51753370393, + 126660.67045320668, + 126685.82462152008, + 126710.98003852014, + 126736.13670408291, + 126761.29461808444, + 126786.45378040087, + 126811.61419090834, + 126836.77584948298, + 126861.93875600102, + 126887.10291033868, + 126912.26831237224, + 126937.43496197795, + 126962.60285903217, + 126987.77200341123, + 127012.94239499152, + 127038.11403364947, + 127063.2869192615, + 127088.46105170409, + 127113.63643085376, + 127138.81305658702, + 127163.99092878048, + 127189.17004731069, + 127214.35041205429, + 127239.53202288797, + 127264.71487968838, + 127289.89898233226, + 127315.08433069635, + 127340.27092465744, + 127365.45876409234, + 127390.64784887788, + 127415.83817889093, + 127441.02975400841, + 127466.22257410725, + 127491.41663906439, + 127516.61194875685, + 127541.80850306165, + 127567.00630185583, + 127592.20534501647, + 127617.4056324207, + 127642.60716394568, + 127667.80993946856, + 127693.01395886653, + 127718.21922201688, + 127743.42572879682, + 127768.63347908368, + 127793.84247275478, + 127819.05270968749, + 127844.26418975917, + 127869.47691284724, + 127894.69087882918, + 127919.90608758242, + 127945.12253898452, + 127970.34023291297, + 127995.55916924537, + 128020.77934785932, + 128046.00076863244, + 128071.22343144237, + 128096.44733616684, + 128121.67248268353, + 128146.89887087021, + 128172.12650060465, + 128197.35537176467, + 128222.5854842281, + 128247.81683787282, + 128273.04943257671, + 128298.28326821771, + 128323.51834467379, + 128348.75466182294, + 128373.99221954317, + 128399.23101771252, + 128424.47105620909, + 128449.71233491098, + 128474.95485369631, + 128500.19861244329, + 128525.44361103009, + 128550.68984933494, + 128575.93732723613, + 128601.18604461191, + 128626.43600134061, + 128651.68719730059, + 128676.93963237021, + 128702.1933064279, + 128727.44821935208, + 128752.70437102125, + 128777.96176131385, + 128803.22039010846, + 128828.48025728362, + 128853.74136271792, + 128879.00370628996, + 128904.26728787841, + 128929.53210736193, + 128954.79816461923, + 128980.06545952905, + 129005.33399197015, + 129030.60376182134, + 129055.87476896142, + 129081.14701326926, + 129106.42049462376, + 129131.6952129038, + 129156.97116798835, + 129182.24835975636, + 129207.52678808685, + 129232.80645285884, + 129258.08735395141, + 129283.36949124365, + 129308.65286461466, + 129333.9374739436, + 129359.22331910966, + 129384.51039999202, + 129409.79871646997, + 129435.08826842274, + 129460.37905572963, + 129485.67107826998, + 129510.96433592314, + 129536.25882856851, + 129561.55455608548, + 129586.85151835352, + 129612.14971525209, + 129637.4491466607, + 129662.74981245887, + 129688.0517125262, + 129713.35484674224, + 129738.65921498663, + 129763.96481713903, + 129789.27165307909, + 129814.57972268655, + 129839.88902584116, + 129865.19956242264, + 129890.51133231082, + 129915.82433538554, + 129941.13857152662, + 129966.45404061397, + 129991.7707425275, + 130017.08867714716, + 130042.4078443529, + 130067.72824402474, + 130093.04987604271, + 130118.37274028687, + 130143.69683663732, + 130169.02216497416, + 130194.34872517755, + 130219.67651712766, + 130245.0055407047, + 130270.33579578891, + 130295.66728226055, + 130320.99999999991, + 130346.33394888733, + 130371.66912880314, + 130397.00553962773, + 130422.34318124152, + 130447.68205352494, + 130473.02215635845, + 130498.36348962256, + 130523.70605319779, + 130549.0498469647, + 130574.39487080388, + 130599.74112459592, + 130625.08860822149, + 130650.43732156123, + 130675.78726449587, + 130701.13843690613, + 130726.49083867275, + 130751.84446967654, + 130777.19932979831, + 130802.5554189189, + 130827.91273691918, + 130853.27128368006, + 130878.63105908247, + 130903.99206300738, + 130929.35429533575, + 130954.71775594862, + 130980.08244472703, + 131005.44836155206, + 131030.81550630482, + 131056.18387886642, + 131081.55347911804, + 131106.92430694087, + 131132.29636221612, + 131157.66964482504, + 131183.0441546489, + 131208.41989156904, + 131233.79685546676, + 131259.17504622342, + 131284.55446372041, + 131309.93510783918, + 131335.31697846117, + 131360.70007546784, + 131386.0843987407, + 131411.46994816128, + 131436.85672361116, + 131462.24472497194, + 131487.63395212521, + 131513.02440495262, + 131538.41608333588, + 131563.80898715663, + 131589.2031162967, + 131614.59847063778, + 131639.9950500617, + 131665.39285445024, + 131690.79188368531, + 131716.19213764873, + 131741.59361622241, + 131766.99631928833, + 131792.40024672839, + 131817.80539842462, + 131843.21177425905, + 131868.61937411371, + 131894.02819787065, + 131919.43824541202, + 131944.84951661993, + 131970.26201137656, + 131995.67572956407, + 132021.09067106468, + 132046.50683576067, + 132071.9242235343, + 132097.34283426782, + 132122.76266784366, + 132148.1837241441, + 132173.60600305157, + 132199.02950444847, + 132224.45422821722, + 132249.88017424036, + 132275.30734240031, + 132300.73573257966, + 132326.16534466096, + 132351.59617852676, + 132377.02823405969, + 132402.46151114244, + 132427.89600965759, + 132453.33172948789, + 132478.76867051609, + 132504.20683262491, + 132529.64621569714, + 132555.08681961559, + 132580.5286442631, + 132605.97168952253, + 132631.41595527678, + 132656.86144140881, + 132682.30814780149, + 132707.75607433787, + 132733.20522090094, + 132758.65558737374, + 132784.10717363929, + 132809.55997958075, + 132835.01400508118, + 132860.46925002377, + 132885.92571429166, + 132911.38339776811, + 132936.84230033628, + 132962.30242187946, + 132987.76376228096, + 133013.22632142407, + 133038.69009919214, + 133064.15509546854, + 133089.62131013666, + 133115.08874307995, + 133140.55739418184, + 133166.02726332581, + 133191.49835039541, + 133216.97065527414, + 133242.44417784561, + 133267.91891799335, + 133293.39487560102, + 133318.87205055228, + 133344.35044273079, + 133369.83005202023, + 133395.31087830439, + 133420.79292146701, + 133446.27618139185, + 133471.76065796276, + 133497.24635106357, + 133522.73326057816, + 133548.22138639039, + 133573.71072838426, + 133599.20128644365, + 133624.69306045261, + 133650.1860502951, + 133675.68025585517, + 133701.1756770169, + 133726.67231366437, + 133752.17016568172, + 133777.66923295305, + 133803.16951536259, + 133828.67101279454, + 133854.17372513309, + 133879.67765226253, + 133905.18279406714, + 133930.68915043125, + 133956.19672123916, + 133981.70550637526, + 134007.21550572399, + 134032.7267191697, + 134058.23914659687, + 134083.75278789, + 134109.26764293358, + 134134.78371161217, + 134160.30099381026, + 134185.8194894125, + 134211.33919830353, + 134236.8601203679, + 134262.38225549037, + 134287.90560355558, + 134313.43016444831, + 134338.95593805326, + 134364.48292425525, + 134390.01112293909, + 134415.54053398955, + 134441.07115729159, + 134466.60299273001, + 134492.1360401898, + 134517.67029955584, + 134543.20577071316, + 134568.74245354676, + 134594.28034794159, + 134619.81945378278, + 134645.35977095537, + 134670.90129934452, + 134696.4440388353, + 134721.98798931291, + 134747.53315066252, + 134773.07952276937, + 134798.62710551871, + 134824.17589879577, + 134849.72590248589, + 134875.27711647438, + 134900.82954064661, + 134926.38317488792, + 134951.93801908373, + 134977.49407311951, + 135003.05133688069, + 135028.60981025276, + 135054.16949312127, + 135079.73038537172, + 135105.29248688967, + 135130.85579756077, + 135156.42031727062, + 135181.98604590484, + 135207.55298334916, + 135233.12112948924, + 135258.69048421088, + 135284.26104739975, + 135309.83281894168, + 135335.4057987225, + 135360.97998662802, + 135386.55538254412, + 135412.13198635669, + 135437.70979795168, + 135463.28881721498, + 135488.86904403262, + 135514.45047829056, + 135540.03311987486, + 135565.61696867159, + 135591.20202456677, + 135616.78828744654, + 135642.37575719706, + 135667.96443370447, + 135693.55431685498, + 135719.14540653475, + 135744.73770263011, + 135770.33120502727, + 135795.92591361253, + 135821.52182827223, + 135847.11894889272, + 135872.7172753604, + 135898.31680756161, + 135923.91754538284, + 135949.51948871053, + 135975.12263743114, + 136000.72699143123, + 136026.33255059729, + 136051.93931481591, + 136077.54728397369, + 136103.15645795723, + 136128.76683665317, + 136154.37841994822, + 136179.99120772901, + 136205.60519988232, + 136231.2203962949, + 136256.83679685349, + 136282.45440144493, + 136308.07320995603, + 136333.69322227367, + 136359.31443828469, + 136384.93685787608, + 136410.56048093468, + 136436.18530734754, + 136461.81133700156, + 136487.43856978384, + 136513.06700558143, + 136538.6966442813, + 136564.32748577066, + 136589.95952993655, + 136615.59277666616, + 136641.22722584667, + 136666.86287736523, + 136692.49973110916, + 136718.13778696564, + 136743.77704482197, + 136769.41750456547, + 136795.05916608346, + 136820.70202926331, + 136846.34609399244, + 136871.99136015819, + 136897.63782764805, + 136923.28549634948, + 136948.93436614997, + 136974.58443693706, + 137000.23570859825, + 137025.88818102115, + 137051.54185409332, + 137077.19672770242, + 137102.85280173609, + 137128.51007608202, + 137154.16855062786, + 137179.82822526142, + 137205.48909987041, + 137231.15117434258, + 137256.8144485658, + 137282.47892242789, + 137308.14459581667, + 137333.81146862009, + 137359.47954072602, + 137385.14881202241, + 137410.81928239719, + 137436.49095173844, + 137462.16381993407, + 137487.83788687221, + 137513.51315244089, + 137539.18961652822, + 137564.86727902229, + 137590.54613981131, + 137616.22619878338, + 137641.90745582676, + 137667.58991082967, + 137693.27356368033, + 137718.95841426702, + 137744.64446247809, + 137770.33170820182, + 137796.02015132661, + 137821.70979174081, + 137847.40062933284, + 137873.09266399115, + 137898.78589560417, + 137924.48032406042, + 137950.17594924837, + 137975.8727710566, + 138001.57078937365, + 138027.27000408815, + 138052.97041508864, + 138078.67202226384, + 138104.3748255024, + 138130.07882469296, + 138155.78401972432, + 138181.49041048516, + 138207.1979968643, + 138232.9067787505, + 138258.61675603263, + 138284.32792859949, + 138310.04029633995, + 138335.75385914298, + 138361.46861689744, + 138387.18456949232, + 138412.90171681659, + 138438.62005875923, + 138464.33959520931, + 138490.06032605586, + 138515.78225118798, + 138541.50537049473, + 138567.2296838653, + 138592.95519118884, + 138618.68189235451, + 138644.40978725153, + 138670.13887576913, + 138695.86915779658, + 138721.60063322316, + 138747.33330193823, + 138773.06716383106, + 138798.80221879104, + 138824.53846670757, + 138850.27590747006, + 138876.01454096794, + 138901.7543670907, + 138927.49538572782, + 138953.2375967688, + 138978.9810001032, + 139004.72559562061, + 139030.47138321059, + 139056.2183627628, + 139081.96653416683, + 139107.71589731239, + 139133.46645208917, + 139159.21819838689, + 139184.97113609532, + 139210.72526510421, + 139236.48058530336, + 139262.23709658257, + 139287.99479883176, + 139313.75369194071, + 139339.51377579942, + 139365.27505029776, + 139391.03751532568, + 139416.80117077316, + 139442.56601653024, + 139468.33205248689, + 139494.09927853322, + 139519.86769455927, + 139545.63730045516, + 139571.408096111, + 139597.18008141697, + 139622.95325626322, + 139648.72762054001, + 139674.5031741375, + 139700.27991694602, + 139726.05784885579, + 139751.83696975713, + 139777.61727954043, + 139803.39877809596, + 139829.18146531415, + 139854.96534108539, + 139880.75040530015, + 139906.53665784886, + 139932.32409862199, + 139958.11272751007, + 139983.90254440365, + 140009.69354919327, + 140035.48574176949, + 140061.27912202294, + 140087.07368984428, + 140112.86944512415, + 140138.66638775321, + 140164.4645176222, + 140190.26383462184, + 140216.06433864293, + 140241.86602957622, + 140267.66890731253, + 140293.47297174268, + 140319.27822275754, + 140345.08466024802, + 140370.89228410498, + 140396.70109421943, + 140422.51109048226, + 140448.32227278448, + 140474.13464101712, + 140499.94819507122, + 140525.76293483781, + 140551.57886020801, + 140577.3959710729, + 140603.21426732364, + 140629.03374885136, + 140654.85441554731, + 140680.67626730262, + 140706.49930400858, + 140732.32352555645, + 140758.1489318375, + 140783.97552274304, + 140809.80329816442, + 140835.63225799298, + 140861.46240212015, + 140887.29373043729, + 140913.12624283586, + 140938.95993920733, + 140964.79481944317, + 140990.63088343487, + 141016.46813107401, + 141042.30656225214, + 141068.14617686081, + 141093.98697479168, + 141119.82895593636, + 141145.6721201865, + 141171.51646743377, + 141197.36199756994, + 141223.20871048668, + 141249.05660607578, + 141274.90568422904, + 141300.75594483822, + 141326.6073877952, + 141352.4600129918, + 141378.31382031992, + 141404.16880967148, + 141430.02498093838, + 141455.8823340126, + 141481.74086878612, + 141507.60058515094, + 141533.46148299909, + 141559.32356222265, + 141585.18682271364, + 141611.05126436421, + 141636.9168870665, + 141662.78369071262, + 141688.65167519479, + 141714.5208404052, + 141740.39118623605, + 141766.26271257963, + 141792.1354193282, + 141818.00930637406, + 141843.88437360956, + 141869.760620927, + 141895.6380482188, + 141921.51665537735, + 141947.39644229505, + 141973.27740886438, + 141999.15955497778, + 142025.04288052776, + 142050.92738540689, + 142076.81306950765, + 142102.69993272264, + 142128.58797494444, + 142154.47719606571, + 142180.36759597904, + 142206.25917457714, + 142232.15193175265, + 142258.04586739838, + 142283.94098140698, + 142309.83727367126, + 142335.73474408401, + 142361.63339253806, + 142387.5332189262, + 142413.43422314132, + 142439.33640507635, + 142465.23976462413, + 142491.14430167765, + 142517.05001612983, + 142542.95690787368, + 142568.86497680223, + 142594.77422280848, + 142620.68464578551, + 142646.5962456264, + 142672.50902222423, + 142698.42297547215, + 142724.33810526333, + 142750.25441149093, + 142776.17189404817, + 142802.09055282827, + 142828.01038772447, + 142853.93139863008, + 142879.85358543837, + 142905.77694804268, + 142931.70148633636, + 142957.62720021277, + 142983.55408956532, + 143009.48215428743, + 143035.41139427255, + 143061.34180941415, + 143087.27339960571, + 143113.20616474075, + 143139.14010471283, + 143165.07521941551, + 143191.01150874238, + 143216.94897258704, + 143242.88761084314, + 143268.82742340435, + 143294.76841016437, + 143320.71057101688, + 143346.65390585564, + 143372.59841457437, + 143398.54409706692, + 143424.49095322701, + 143450.43898294857, + 143476.38818612538, + 143502.33856265133, + 143528.29011242036, + 143554.24283532638, + 143580.19673126334, + 143606.1518001252, + 143632.10804180597, + 143658.06545619969, + 143684.02404320039, + 143709.98380270213, + 143735.944734599, + 143761.90683878519, + 143787.87011515474, + 143813.83456360188, + 143839.8001840208, + 143865.76697630569, + 143891.73494035081, + 143917.7040760504, + 143943.67438329876, + 143969.6458619902, + 143995.61851201905, + 144021.59233327967, + 144047.56732566646, + 144073.54348907378, + 144099.52082339607, + 144125.49932852783, + 144151.4790043635, + 144177.45985079758, + 144203.44186772458, + 144229.42505503909, + 144255.40941263564, + 144281.39494040885, + 144307.38163825331, + 144333.36950606373, + 144359.35854373468, + 144385.34875116093, + 144411.34012823718, + 144437.33267485813, + 144463.32639091855, + 144489.32127631325, + 144515.31733093705, + 144541.31455468474, + 144567.3129474512, + 144593.3125091313, + 144619.31323961995, + 144645.31513881206, + 144671.31820660262, + 144697.32244288657, + 144723.32784755889, + 144749.33442051467, + 144775.34216164888, + 144801.35107085665, + 144827.36114803303, + 144853.37239307314, + 144879.38480587213, + 144905.39838632516, + 144931.41313432742, + 144957.4290497741, + 144983.44613256046, + 145009.46438258173, + 145035.48379973322, + 145061.50438391021, + 145087.52613500805, + 145113.54905292206, + 145139.57313754765, + 145165.59838878017, + 145191.62480651509, + 145217.65239064783, + 145243.68114107384, + 145269.71105768863, + 145295.74214038774, + 145321.77438906668, + 145347.80780362099, + 145373.84238394629, + 145399.87812993818, + 145425.91504149229, + 145451.95311850426, + 145477.9923608698, + 145504.03276848458, + 145530.07434124436, + 145556.11707904484, + 145582.16098178181, + 145608.20604935108, + 145634.25228164849, + 145660.29967856981, + 145686.34824001096, + 145712.39796586783, + 145738.4488560363, + 145764.50091041232, + 145790.55412889185, + 145816.60851137087, + 145842.66405774537, + 145868.72076791141, + 145894.77864176501, + 145920.83767920226, + 145946.89788011924, + 145972.95924441208, + 145999.02177197693, + 146025.08546270995, + 146051.15031650732, + 146077.21633326527, + 146103.28351288004, + 146129.35185524789, + 146155.42136026506, + 146181.49202782792, + 146207.56385783272, + 146233.63685017588, + 146259.71100475377, + 146285.78632146274, + 146311.86280019928, + 146337.94044085976, + 146364.01924334071, + 146390.09920753856, + 146416.18033334985, + 146442.26262067116, + 146468.34606939898, + 146494.43067942993, + 146520.51645066062, + 146546.60338298764, + 146572.69147630769, + 146598.78073051744, + 146624.87114551352, + 146650.96272119274, + 146677.05545745179, + 146703.14935418745, + 146729.2444112965, + 146755.34062867577, + 146781.43800622207, + 146807.53654383228, + 146833.63624140329, + 146859.73709883197, + 146885.83911601527, + 146911.94229285014, + 146938.04662923355, + 146964.15212506248, + 146990.25878023397, + 147016.36659464505, + 147042.47556819281, + 147068.58570077427, + 147094.6969922866, + 147120.80944262692, + 147146.92305169237, + 147173.03781938017, + 147199.15374558745, + 147225.27083021149, + 147251.38907314953, + 147277.50847429881, + 147303.62903355664, + 147329.75075082036, + 147355.87362598727, + 147381.99765895473, + 147408.12284962015, + 147434.24919788091, + 147460.37670363448, + 147486.50536677826, + 147512.63518720976, + 147538.76616482646, + 147564.89829952587, + 147591.03159120557, + 147617.16603976308, + 147643.30164509601, + 147669.43840710199, + 147695.57632567859, + 147721.71540072354, + 147747.85563213445, + 147773.99701980909, + 147800.13956364512, + 147826.28326354033, + 147852.42811939248, + 147878.57413109933, + 147904.72129855872, + 147930.86962166851, + 147957.01910032652, + 147983.16973443062, + 148009.32152387875, + 148035.47446856883, + 148061.62856839882, + 148087.78382326665, + 148113.94023307035, + 148140.09779770792, + 148166.25651707739, + 148192.41639107687, + 148218.57741960438, + 148244.73960255808, + 148270.90293983606, + 148297.0674313365, + 148323.23307695755, + 148349.39987659742, + 148375.56783015432, + 148401.73693752653, + 148427.90719861226, + 148454.07861330983, + 148480.25118151752, + 148506.42490313368, + 148532.59977805667, + 148558.77580618486, + 148584.95298741665, + 148611.13132165043, + 148637.31080878471, + 148663.49144871789, + 148689.6732413485, + 148715.85618657502, + 148742.040284296, + 148768.22553440998, + 148794.41193681557, + 148820.59949141133, + 148846.78819809589, + 148872.97805676793, + 148899.16906732606, + 148925.36122966901, + 148951.55454369547, + 148977.74900930419, + 149003.9446263939, + 149030.1413948634, + 149056.33931461151, + 149082.53838553699, + 149108.73860753875, + 149134.9399805156, + 149161.14250436646, + 149187.34617899026, + 149213.5510042859, + 149239.75698015234, + 149265.96410648854, + 149292.17238319354, + 149318.38181016635, + 149344.59238730598, + 149370.80411451156, + 149397.01699168212, + 149423.23101871679, + 149449.44619551473, + 149475.66252197503, + 149501.87999799693, + 149528.0986234796, + 149554.31839832227, + 149580.53932242419, + 149606.76139568459, + 149632.98461800278, + 149659.20898927809, + 149685.43450940982, + 149711.66117829733, + 149737.88899584001, + 149764.11796193724, + 149790.34807648844, + 149816.57933939309, + 149842.81175055061, + 149869.04530986046, + 149895.28001722222, + 149921.51587253538, + 149947.75287569952, + 149973.99102661415, + 150000.23032517891, + 150026.47077129342, + 150052.71236485732, + 150078.95510577026, + 150105.1989939319, + 150131.444029242, + 150157.69021160025, + 150183.93754090639, + 150210.18601706024, + 150236.43563996154, + 150262.68640951012, + 150288.93832560582, + 150315.19138814852, + 150341.44559703805, + 150367.70095217437, + 150393.95745345735, + 150420.21510078697, + 150446.47389406321, + 150472.73383318601, + 150498.99491805542, + 150525.25714857146, + 150551.52052463419, + 150577.78504614369, + 150604.05071300003, + 150630.31752510337, + 150656.58548235384, + 150682.85458465159, + 150709.1248318968, + 150735.39622398972, + 150761.66876083051, + 150787.9424423195, + 150814.21726835691, + 150840.49323884305, + 150866.77035367821, + 150893.04861276277, + 150919.32801599705, + 150945.60856328148, + 150971.89025451642, + 150998.17308960229, + 151024.45706843957, + 151050.74219092872, + 151077.02845697021, + 151103.31586646455, + 151129.60441931229, + 151155.894115414, + 151182.1849546702, + 151208.47693698155, + 151234.77006224863, + 151261.06433037209, + 151287.35974125259, + 151313.65629479082, + 151339.95399088747, + 151366.25282944329, + 151392.55281035902, + 151418.85393353543, + 151445.1561988733, + 151471.45960627345, + 151497.76415563675, + 151524.06984686397, + 151550.37667985607, + 151576.68465451393, + 151602.99377073845, + 151629.30402843058, + 151655.61542749128, + 151681.92796782157, + 151708.24164932242, + 151734.55647189484, + 151760.87243543993, + 151787.18953985872, + 151813.50778505235, + 151839.82717092187, + 151866.14769736846, + 151892.46936429327, + 151918.79217159748, + 151945.11611918229, + 151971.44120694889, + 151997.76743479856, + 152024.09480263255, + 152050.42331035214, + 152076.75295785864, + 152103.08374505339, + 152129.41567183775, + 152155.74873811303, + 152182.08294378067, + 152208.41828874208, + 152234.75477289871, + 152261.09239615197, + 152287.43115840337, + 152313.77105955439, + 152340.11209950657, + 152366.45427816146, + 152392.79759542056, + 152419.14205118554, + 152445.48764535793, + 152471.8343778394, + 152498.18224853161, + 152524.53125733617, + 152550.88140415482, + 152577.23268888926, + 152603.58511144121, + 152629.93867171241, + 152656.29336960468, + 152682.64920501978, + 152709.00617785956, + 152735.36428802583, + 152761.72353542043, + 152788.08391994529, + 152814.44544150229, + 152840.80809999333, + 152867.17189532038, + 152893.53682738543, + 152919.90289609041, + 152946.27010133737, + 152972.63844302832, + 152999.00792106529, + 153025.37853535041, + 153051.7502857857, + 153078.12317227334, + 153104.4971947154, + 153130.8723530141, + 153157.24864707157, + 153183.62607679001, + 153210.00464207167, + 153236.38434281875, + 153262.76517893354, + 153289.14715031831, + 153315.53025687535, + 153341.91449850702, + 153368.2998751156, + 153394.68638660354, + 153421.07403287315, + 153447.46281382689, + 153473.85272936718, + 153500.24377939643, + 153526.63596381716, + 153553.02928253182, + 153579.42373544298, + 153605.81932245308, + 153632.21604346478, + 153658.61389838057, + 153685.0128871031, + 153711.41300953497, + 153737.81426557881, + 153764.21665513728, + 153790.62017811305, + 153817.02483440886, + 153843.43062392739, + 153869.83754657139, + 153896.24560224367, + 153922.65479084692, + 153949.06511228404, + 153975.4765664578, + 154001.88915327107, + 154028.30287262669, + 154054.71772442761, + 154081.13370857667, + 154107.55082497682, + 154133.96907353101, + 154160.38845414223, + 154186.80896671346, + 154213.23061114774, + 154239.65338734805, + 154266.07729521746, + 154292.50233465908, + 154318.92850557598, + 154345.35580787127, + 154371.7842414481, + 154398.21380620965, + 154424.64450205903, + 154451.07632889951, + 154477.50928663427, + 154503.94337516659, + 154530.37859439969, + 154556.81494423689, + 154583.25242458144, + 154609.69103533673, + 154636.13077640603, + 154662.57164769279, + 154689.01364910032, + 154715.45678053208, + 154741.90104189145, + 154768.34643308193, + 154794.79295400696, + 154821.24060457002, + 154847.68938467462, + 154874.13929422433, + 154900.59033312264, + 154927.04250127316, + 154953.49579857948, + 154979.95022494521, + 155006.40578027396, + 155032.86246446942, + 155059.32027743524, + 155085.77921907514, + 155112.2392892928, + 155138.70048799197, + 155165.16281507642, + 155191.62627044989, + 155218.09085401625, + 155244.55656567923, + 155271.02340534274, + 155297.49137291059, + 155323.96046828668, + 155350.4306913749, + 155376.90204207919, + 155403.37452030348, + 155429.84812595171, + 155456.32285892789, + 155482.79871913602, + 155509.27570648011, + 155535.75382086422, + 155562.23306219239, + 155588.71343036872, + 155615.19492529731, + 155641.67754688227, + 155668.16129502779, + 155694.64616963797, + 155721.13217061706, + 155747.61929786921, + 155774.10755129869, + 155800.59693080973, + 155827.08743630661, + 155853.57906769359, + 155880.07182487496, + 155906.56570775513, + 155933.06071623837, + 155959.55685022907, + 155986.05410963166, + 156012.5524943505, + 156039.05200429002, + 156065.55263935472, + 156092.054399449, + 156118.5572844774, + 156145.06129434443, + 156171.5664289546, + 156198.07268821247, + 156224.5800720226, + 156251.08858028959, + 156277.59821291809, + 156304.10896981266, + 156330.62085087801, + 156357.1338560188, + 156383.64798513969, + 156410.16323814544, + 156436.67961494075, + 156463.1971154304, + 156489.71573951913, + 156516.23548711176, + 156542.75635811311, + 156569.27835242799, + 156595.80146996127, + 156622.32571061782, + 156648.85107430254, + 156675.37756092031, + 156701.90517037612, + 156728.43390257491, + 156754.96375742162, + 156781.49473482129, + 156808.02683467892, + 156834.5600568995, + 156861.09440138817, + 156887.62986804993, + 156914.16645678994, + 156940.70416751326, + 156967.24300012505, + 156993.78295453047, + 157020.32403063469, + 157046.8662283429, + 157073.40954756032, + 157099.9539881922, + 157126.49955014378, + 157153.04623332032, + 157179.59403762716, + 157206.14296296958, + 157232.69300925292, + 157259.24417638258, + 157285.79646426387, + 157312.34987280221, + 157338.90440190304, + 157365.46005147175, + 157392.01682141385, + 157418.57471163478, + 157445.13372204005, + 157471.69385253513, + 157498.25510302564, + 157524.81747341706, + 157551.38096361503, + 157577.9455735251, + 157604.51130305286, + 157631.07815210402, + 157657.64612058419, + 157684.21520839902, + 157710.78541545427, + 157737.35674165559, + 157763.92918690876, + 157790.50275111952, + 157817.07743419363, + 157843.65323603692, + 157870.23015655516, + 157896.80819565422, + 157923.3873532399, + 157949.96762921812, + 157976.54902349479, + 158003.13153597576, + 158029.71516656701, + 158056.29991517449, + 158082.88578170416, + 158109.47276606198, + 158136.06086815402, + 158162.65008788629, + 158189.24042516484, + 158215.83187989573, + 158242.42445198505, + 158269.01814133892, + 158295.61294786347, + 158322.20887146486, + 158348.80591204923, + 158375.4040695228, + 158402.00334379176, + 158428.60373476235, + 158455.2052423408, + 158481.80786643337, + 158508.41160694641, + 158535.01646378616, + 158561.62243685898, + 158588.2295260712, + 158614.8377313292, + 158641.44705253936, + 158668.05748960807, + 158694.66904244179, + 158721.28171094693, + 158747.89549502998, + 158774.5103945974, + 158801.12640955573, + 158827.74353981143, + 158854.36178527112, + 158880.9811458413, + 158907.60162142856, + 158934.22321193956, + 158960.84591728085, + 158987.46973735912, + 159014.09467208097, + 159040.72072135314, + 159067.3478850823, + 159093.97616317519, + 159120.60555553852, + 159147.23606207906, + 159173.8676827036, + 159200.50041731889, + 159227.13426583182, + 159253.76922814918, + 159280.40530417781, + 159307.04249382461, + 159333.68079699649, + 159360.32021360032, + 159386.96074354305, + 159413.60238673165, + 159440.24514307309, + 159466.88901247433, + 159493.53399484244, + 159520.18009008438, + 159546.82729810724, + 159573.47561881805, + 159600.12505212394, + 159626.77559793202, + 159653.42725614941, + 159680.08002668325, + 159706.73390944069, + 159733.38890432892, + 159760.04501125516, + 159786.70223012666, + 159813.36056085059, + 159840.02000333427, + 159866.68055748497, + 159893.34222320997, + 159920.00500041663, + 159946.66888901225, + 159973.33388890422, + 159999.99999999988, + 160026.66722220668, + 160053.33555543202, + 160080.0049995833, + 160106.67555456801, + 160133.3472202936, + 160160.0199966676, + 160186.6938835975, + 160213.36888099083, + 160240.04498875517, + 160266.72220679806, + 160293.40053502709, + 160320.07997334987, + 160346.76052167406, + 160373.44217990729, + 160400.1249479572, + 160426.80882573154, + 160453.49381313793, + 160480.17991008417, + 160506.86711647795, + 160533.55543222709, + 160560.24485723933, + 160586.93539142248, + 160613.62703468435, + 160640.31978693281, + 160667.01364807569, + 160693.70861802087, + 160720.40469667627, + 160747.1018839498, + 160773.80017974938, + 160800.49958398298, + 160827.20009655855, + 160853.90171738411, + 160880.60444636765, + 160907.30828341722, + 160934.01322844089, + 160960.71928134665, + 160987.42644204266, + 161014.13471043704, + 161040.84408643784, + 161067.55456995327, + 161094.26616089148, + 161120.97885916062, + 161147.69266466892, + 161174.40757732463, + 161201.12359703594, + 161227.84072371112, + 161254.55895725847, + 161281.27829758628, + 161307.99874460287, + 161334.72029821656, + 161361.44295833571, + 161388.1667248687, + 161414.89159772391, + 161441.61757680977, + 161468.34466203468, + 161495.07285330712, + 161521.80215053557, + 161548.53255362847, + 161575.26406249436, + 161601.99667704175, + 161628.7303971792, + 161655.46522281526, + 161682.20115385848, + 161708.93819021754, + 161735.67633180099, + 161762.41557851751, + 161789.15593027571, + 161815.89738698432, + 161842.63994855201, + 161869.38361488748, + 161896.1283858995, + 161922.87426149679, + 161949.62124158812, + 161976.36932608229, + 162003.1185148881, + 162029.8688079144, + 162056.62020507001, + 162083.37270626382, + 162110.12631140469, + 162136.88102040152, + 162163.63683316324, + 162190.39374959879, + 162217.15176961714, + 162243.91089312723, + 162270.67112003808, + 162297.43245025873, + 162324.19488369819, + 162350.9584202655, + 162377.72305986975, + 162404.48880242003, + 162431.25564782543, + 162458.02359599507, + 162484.79264683815, + 162511.56280026378, + 162538.33405618116, + 162565.10641449949, + 162591.87987512801, + 162618.65443797593, + 162645.43010295252, + 162672.20686996708, + 162698.98473892888, + 162725.76370974723, + 162752.54378233149, + 162779.32495659095, + 162806.10723243505, + 162832.89060977317, + 162859.67508851466, + 162886.46066856899, + 162913.24734984562, + 162940.03513225398, + 162966.82401570358, + 162993.6140001039, + 163020.40508536444, + 163047.19727139481, + 163073.99055810447, + 163100.78494540305, + 163127.58043320014, + 163154.37702140535, + 163181.17470992831, + 163207.97349867865, + 163234.77338756606, + 163261.57437650024, + 163288.37646539087, + 163315.17965414765, + 163341.98394268038, + 163368.78933089875, + 163395.59581871261, + 163422.40340603172, + 163449.2120927659, + 163476.02187882498, + 163502.83276411882, + 163529.6447485573, + 163556.45783205028, + 163583.2720145077, + 163610.08729583945, + 163636.90367595552, + 163663.72115476584, + 163690.53973218042, + 163717.35940810922, + 163744.18018246227, + 163771.00205514964, + 163797.82502608138, + 163824.64909516752, + 163851.4742623182, + 163878.3005274435, + 163905.12789045356, + 163931.95635125853, + 163958.78590976857, + 163985.61656589387, + 164012.44831954464, + 164039.28117063109, + 164066.11511906344, + 164092.95016475199, + 164119.78630760699, + 164146.62354753874, + 164173.46188445756, + 164200.30131827376, + 164227.14184889771, + 164253.98347623978, + 164280.82620021031, + 164307.67002071979, + 164334.51493767856, + 164361.3609509971, + 164388.20806058586, + 164415.05626635533, + 164441.905568216, + 164468.75596607837, + 164495.607459853, + 164522.4600494504, + 164549.31373478117, + 164576.16851575591, + 164603.02439228518, + 164629.88136427966, + 164656.73943164994, + 164683.59859430668, + 164710.45885216061, + 164737.32020512238, + 164764.1826531027, + 164791.04619601235, + 164817.91083376206, + 164844.77656626256, + 164871.64339342469, + 164898.51131515924, + 164925.38033137703, + 164952.25044198887, + 164979.1216469057, + 165005.9939460383, + 165032.86733929763, + 165059.7418265946, + 165086.61740784015, + 165113.4940829452 + }; + +#else + +#ifdef BIG_IQ_TABLE +#define IQ_TABLE_SIZE 8192 +#else +#define IQ_TABLE_SIZE 1026 +#endif + + ALIGN static const real_t iq_table[IQ_TABLE_SIZE] = { + REAL_CONST(0.0), + REAL_CONST(1.0 / 8.0), + REAL_CONST(2.5198420997897464 / 8.0), + REAL_CONST(4.3267487109222245 / 8.0), + REAL_CONST(6.3496042078727974 / 8.0), + REAL_CONST(8.5498797333834844 / 8.0), + REAL_CONST(10.902723556992836 / 8.0), + REAL_CONST(13.390518279406722 / 8.0), + REAL_CONST(15.999999999999998 / 8.0), + REAL_CONST(18.720754407467133 / 8.0), + REAL_CONST(21.544346900318832 / 8.0), + REAL_CONST(24.463780996262464 / 8.0), + REAL_CONST(27.47314182127996 / 8.0), + REAL_CONST(30.567350940369842 / 8.0), + REAL_CONST(33.741991698453212 / 8.0), + REAL_CONST(36.993181114957046 / 8.0), + REAL_CONST(40.317473596635935 / 8.0), + REAL_CONST(43.711787041189993 / 8.0), + REAL_CONST(47.173345095760126 / 8.0), + REAL_CONST(50.699631325716943 / 8.0), + REAL_CONST(54.288352331898118 / 8.0), + REAL_CONST(57.937407704003519 / 8.0), + REAL_CONST(61.6448652744185 / 8.0), + REAL_CONST(65.408940536585988 / 8.0), + REAL_CONST(69.227979374755591 / 8.0), + REAL_CONST(73.100443455321638 / 8.0), + REAL_CONST(77.024897778591622 / 8.0), + REAL_CONST(80.999999999999986 / 8.0), + REAL_CONST(85.024491212518527 / 8.0), + REAL_CONST(89.097187944889555 / 8.0), + REAL_CONST(93.216975178615741 / 8.0), + REAL_CONST(97.382800224133163 / 8.0), + REAL_CONST(101.59366732596474 / 8.0), + REAL_CONST(105.84863288986224 / 8.0), + REAL_CONST(110.14680124343441 / 8.0), + REAL_CONST(114.4873208566006 / 8.0), + REAL_CONST(118.86938096020653 / 8.0), + REAL_CONST(123.29220851090024 / 8.0), + REAL_CONST(127.75506545836058 / 8.0), + REAL_CONST(132.25724627755247 / 8.0), + REAL_CONST(136.79807573413572 / 8.0), + REAL_CONST(141.37690685569191 / 8.0), + REAL_CONST(145.99311908523086 / 8.0), + REAL_CONST(150.6461165966291 / 8.0), + REAL_CONST(155.33532675434674 / 8.0), + REAL_CONST(160.06019870205279 / 8.0), + REAL_CONST(164.82020206673349 / 8.0), + REAL_CONST(169.61482576651861 / 8.0), + REAL_CONST(174.44357691188537 / 8.0), + REAL_CONST(179.30597979112557 / 8.0), + REAL_CONST(184.20157493201927 / 8.0), + REAL_CONST(189.12991823257562 / 8.0), + REAL_CONST(194.09058015449685 / 8.0), + REAL_CONST(199.08314497371677 / 8.0), + REAL_CONST(204.1072100829694 / 8.0), + REAL_CONST(209.16238534187647 / 8.0), + REAL_CONST(214.24829247050752 / 8.0), + REAL_CONST(219.36456448277784 / 8.0), + REAL_CONST(224.51084515641216 / 8.0), + REAL_CONST(229.6867885365223 / 8.0), + REAL_CONST(234.89205847013176 / 8.0), + REAL_CONST(240.12632816923249 / 8.0), + REAL_CONST(245.38927980018505 / 8.0), + REAL_CONST(250.68060409747261 / 8.0), + REAL_CONST(255.99999999999991 / 8.0), + REAL_CONST(261.34717430828869 / 8.0), + REAL_CONST(266.72184136106449 / 8.0), + REAL_CONST(272.12372272986045 / 8.0), + REAL_CONST(277.55254693037961 / 8.0), + REAL_CONST(283.0080491494619 / 8.0), + REAL_CONST(288.48997098659891 / 8.0), + REAL_CONST(293.99806020902247 / 8.0), + REAL_CONST(299.53207051947408 / 8.0), + REAL_CONST(305.0917613358298 / 8.0), + REAL_CONST(310.67689758182206 / 8.0), + REAL_CONST(316.28724948815585 / 8.0), + REAL_CONST(321.92259240337177 / 8.0), + REAL_CONST(327.58270661385535 / 8.0), + REAL_CONST(333.26737717243742 / 8.0), + REAL_CONST(338.97639373507025 / 8.0), + REAL_CONST(344.70955040510125 / 8.0), + REAL_CONST(350.46664558470013 / 8.0), + REAL_CONST(356.24748183302603 / 8.0), + REAL_CONST(362.05186573075139 / 8.0), + REAL_CONST(367.87960775058258 / 8.0), + REAL_CONST(373.73052213344511 / 8.0), + REAL_CONST(379.60442677002078 / 8.0), + REAL_CONST(385.50114308734607 / 8.0), + REAL_CONST(391.42049594019937 / 8.0), + REAL_CONST(397.36231350702371 / 8.0), + REAL_CONST(403.32642719014467 / 8.0), + REAL_CONST(409.31267152006262 / 8.0), + REAL_CONST(415.32088406360799 / 8.0), + REAL_CONST(421.35090533576471 / 8.0), + REAL_CONST(427.40257871497619 / 8.0), + REAL_CONST(433.4757503617617 / 8.0), + REAL_CONST(439.5702691404793 / 8.0), + REAL_CONST(445.68598654408271 / 8.0), + REAL_CONST(451.82275662172759 / 8.0), + REAL_CONST(457.98043590909128 / 8.0), + REAL_CONST(464.15888336127773 / 8.0), + REAL_CONST(470.35796028818726 / 8.0), + REAL_CONST(476.5775302922363 / 8.0), + REAL_CONST(482.81745920832043 / 8.0), + REAL_CONST(489.07761504591741 / 8.0), + REAL_CONST(495.35786793323581 / 8.0), + REAL_CONST(501.65809006331688 / 8.0), + REAL_CONST(507.97815564200368 / 8.0), + REAL_CONST(514.31794083769648 / 8.0), + REAL_CONST(520.67732373281672 / 8.0), + REAL_CONST(527.05618427690604 / 8.0), + REAL_CONST(533.45440424129174 / 8.0), + REAL_CONST(539.87186717525128 / 8.0), + REAL_CONST(546.30845836361505 / 8.0), + REAL_CONST(552.76406478574609 / 8.0), + REAL_CONST(559.23857507584194 / 8.0), + REAL_CONST(565.73187948450413 / 8.0), + REAL_CONST(572.24386984152341 / 8.0), + REAL_CONST(578.77443951983378 / 8.0), + REAL_CONST(585.32348340058843 / 8.0), + REAL_CONST(591.89089783931263 / 8.0), + REAL_CONST(598.47658063309257 / 8.0), + REAL_CONST(605.08043098876044 / 8.0), + REAL_CONST(611.70234949203643 / 8.0), + REAL_CONST(618.3422380775919 / 8.0), + REAL_CONST(624.99999999999977 / 8.0), + REAL_CONST(631.67553980553748 / 8.0), + REAL_CONST(638.36876330481164 / 8.0), + REAL_CONST(645.07957754617485 / 8.0), + REAL_CONST(651.80789078990415 / 8.0), + REAL_CONST(658.55361248311499 / 8.0), + REAL_CONST(665.31665323538357 / 8.0), + REAL_CONST(672.09692479505225 / 8.0), + REAL_CONST(678.8943400261943 / 8.0), + REAL_CONST(685.70881288621433 / 8.0), + REAL_CONST(692.540258404062 / 8.0), + REAL_CONST(699.38859265903977 / 8.0), + REAL_CONST(706.25373276018058 / 8.0), + REAL_CONST(713.13559682617972 / 8.0), + REAL_CONST(720.03410396586037 / 8.0), + REAL_CONST(726.94917425915435 / 8.0), + REAL_CONST(733.88072873858209 / 8.0), + REAL_CONST(740.82868937121543 / 8.0), + REAL_CONST(747.79297904110535 / 8.0), + REAL_CONST(754.77352153216191 / 8.0), + REAL_CONST(761.77024151147043 / 8.0), + REAL_CONST(768.78306451302956 / 8.0), + REAL_CONST(775.81191692189896 / 8.0), + REAL_CONST(782.85672595874246 / 8.0), + REAL_CONST(789.91741966475445 / 8.0), + REAL_CONST(796.99392688695798 / 8.0), + REAL_CONST(804.08617726386274 / 8.0), + REAL_CONST(811.19410121147098 / 8.0), + REAL_CONST(818.31762990962227 / 8.0), + REAL_CONST(825.45669528866563 / 8.0), + REAL_CONST(832.61123001644864 / 8.0), + REAL_CONST(839.78116748561604 / 8.0), + REAL_CONST(846.96644180120552 / 8.0), + REAL_CONST(854.16698776853514 / 8.0), + REAL_CONST(861.38274088137143 / 8.0), + REAL_CONST(868.61363731036977 / 8.0), + REAL_CONST(875.85961389178203 / 8.0), + REAL_CONST(883.12060811641959 / 8.0), + REAL_CONST(890.39655811886757 / 8.0), + REAL_CONST(897.68740266694181 / 8.0), + REAL_CONST(904.99308115138172 / 8.0), + REAL_CONST(912.31353357577188 / 8.0), + REAL_CONST(919.64870054668756 / 8.0), + REAL_CONST(926.99852326405619 / 8.0), + REAL_CONST(934.36294351172899 / 8.0), + REAL_CONST(941.74190364825859 / 8.0), + REAL_CONST(949.13534659787422 / 8.0), + REAL_CONST(956.54321584165211 / 8.0), + REAL_CONST(963.96545540887348 / 8.0), + REAL_CONST(971.40200986856541 / 8.0), + REAL_CONST(978.85282432122176 / 8.0), + REAL_CONST(986.31784439069588 / 8.0), + REAL_CONST(993.7970162162635 / 8.0), + REAL_CONST(1001.29028644485 / 8.0), + REAL_CONST(1008.797602223418 / 8.0), + REAL_CONST(1016.3189111915103 / 8.0), + REAL_CONST(1023.8541614739464 / 8.0), + REAL_CONST(1031.4033016736653 / 8.0), + REAL_CONST(1038.9662808647138 / 8.0), + REAL_CONST(1046.5430485853758 / 8.0), + REAL_CONST(1054.1335548314366 / 8.0), + REAL_CONST(1061.7377500495838 / 8.0), + REAL_CONST(1069.3555851309357 / 8.0), + REAL_CONST(1076.9870114046978 / 8.0), + REAL_CONST(1084.6319806319441 / 8.0), + REAL_CONST(1092.2904449995174 / 8.0), + REAL_CONST(1099.9623571140482 / 8.0), + REAL_CONST(1107.6476699960892 / 8.0), + REAL_CONST(1115.3463370743607 / 8.0), + REAL_CONST(1123.058312180106 / 8.0), + REAL_CONST(1130.7835495415541 / 8.0), + REAL_CONST(1138.5220037784854 / 8.0), + REAL_CONST(1146.273629896901 / 8.0), + REAL_CONST(1154.0383832837879 / 8.0), + REAL_CONST(1161.816219701986 / 8.0), + REAL_CONST(1169.607095285146 / 8.0), + REAL_CONST(1177.4109665327808 / 8.0), + REAL_CONST(1185.2277903054078 / 8.0), + REAL_CONST(1193.0575238197798 / 8.0), + REAL_CONST(1200.9001246442001 / 8.0), + REAL_CONST(1208.7555506939248 / 8.0), + REAL_CONST(1216.6237602266442 / 8.0), + REAL_CONST(1224.5047118380478 / 8.0), + REAL_CONST(1232.3983644574657 / 8.0), + REAL_CONST(1240.3046773435874 / 8.0), + REAL_CONST(1248.2236100802568 / 8.0), + REAL_CONST(1256.1551225723395 / 8.0), + REAL_CONST(1264.099175041662 / 8.0), + REAL_CONST(1272.0557280230228 / 8.0), + REAL_CONST(1280.0247423602691 / 8.0), + REAL_CONST(1288.0061792024444 / 8.0), + REAL_CONST(1295.9999999999995 / 8.0), + REAL_CONST(1304.006166501068 / 8.0), + REAL_CONST(1312.0246407478062 / 8.0), + REAL_CONST(1320.0553850727929 / 8.0), + REAL_CONST(1328.0983620954903 / 8.0), + REAL_CONST(1336.1535347187651 / 8.0), + REAL_CONST(1344.2208661254647 / 8.0), + REAL_CONST(1352.3003197750522 / 8.0), + REAL_CONST(1360.3918594002962 / 8.0), + REAL_CONST(1368.4954490040145 / 8.0), + REAL_CONST(1376.6110528558709 / 8.0), + REAL_CONST(1384.7386354892244 / 8.0), + REAL_CONST(1392.8781616980295 / 8.0), + REAL_CONST(1401.0295965337855 / 8.0), + REAL_CONST(1409.1929053025353 / 8.0), + REAL_CONST(1417.3680535619119 / 8.0), + REAL_CONST(1425.5550071182327 / 8.0), + REAL_CONST(1433.7537320236374 / 8.0), + REAL_CONST(1441.9641945732744 / 8.0), + REAL_CONST(1450.1863613025282 / 8.0), + REAL_CONST(1458.4201989842913 / 8.0), + REAL_CONST(1466.6656746262797 / 8.0), + REAL_CONST(1474.9227554683875 / 8.0), + REAL_CONST(1483.1914089800841 / 8.0), + REAL_CONST(1491.4716028578516 / 8.0), + REAL_CONST(1499.7633050226596 / 8.0), + REAL_CONST(1508.0664836174794 / 8.0), + REAL_CONST(1516.3811070048375 / 8.0), + REAL_CONST(1524.7071437644029 / 8.0), + REAL_CONST(1533.0445626906128 / 8.0), + REAL_CONST(1541.3933327903342 / 8.0), + REAL_CONST(1549.7534232805581 / 8.0), + REAL_CONST(1558.1248035861302 / 8.0), + REAL_CONST(1566.507443337515 / 8.0), + REAL_CONST(1574.9013123685909 / 8.0), + REAL_CONST(1583.3063807144795 / 8.0), + REAL_CONST(1591.7226186094069 / 8.0), + REAL_CONST(1600.1499964845941 / 8.0), + REAL_CONST(1608.58848496618 / 8.0), + REAL_CONST(1617.0380548731737 / 8.0), + REAL_CONST(1625.4986772154357 / 8.0), + REAL_CONST(1633.9703231916887 / 8.0), + REAL_CONST(1642.4529641875577 / 8.0), + REAL_CONST(1650.9465717736346 / 8.0), + REAL_CONST(1659.4511177035752 / 8.0), + REAL_CONST(1667.9665739122186 / 8.0), + REAL_CONST(1676.4929125137353 / 8.0), + REAL_CONST(1685.030105799801 / 8.0), + REAL_CONST(1693.5781262377957 / 8.0), + REAL_CONST(1702.136946469027 / 8.0), + REAL_CONST(1710.7065393069795 / 8.0), + REAL_CONST(1719.2868777355877 / 8.0), + REAL_CONST(1727.8779349075323 / 8.0), + REAL_CONST(1736.4796841425596 / 8.0), + REAL_CONST(1745.092098925825 / 8.0), + REAL_CONST(1753.7151529062583 / 8.0), + REAL_CONST(1762.3488198949503 / 8.0), + REAL_CONST(1770.9930738635628 / 8.0), + REAL_CONST(1779.6478889427597 / 8.0), + REAL_CONST(1788.3132394206564 / 8.0), + REAL_CONST(1796.9890997412947 / 8.0), + REAL_CONST(1805.6754445031333 / 8.0), + REAL_CONST(1814.3722484575621 / 8.0), + REAL_CONST(1823.0794865074322 / 8.0), + REAL_CONST(1831.7971337056094 / 8.0), + REAL_CONST(1840.5251652535437 / 8.0), + REAL_CONST(1849.2635564998579 / 8.0), + REAL_CONST(1858.0122829389563 / 8.0), + REAL_CONST(1866.7713202096493 / 8.0), + REAL_CONST(1875.5406440937966 / 8.0), + REAL_CONST(1884.3202305149687 / 8.0), + REAL_CONST(1893.110055537124 / 8.0), + REAL_CONST(1901.9100953633042 / 8.0), + REAL_CONST(1910.7203263343454 / 8.0), + REAL_CONST(1919.5407249276057 / 8.0), + REAL_CONST(1928.3712677557098 / 8.0), + REAL_CONST(1937.2119315653083 / 8.0), + REAL_CONST(1946.0626932358525 / 8.0), + REAL_CONST(1954.923529778386 / 8.0), + REAL_CONST(1963.79441833435 / 8.0), + REAL_CONST(1972.6753361744036 / 8.0), + REAL_CONST(1981.5662606972594 / 8.0), + REAL_CONST(1990.467169428533 / 8.0), + REAL_CONST(1999.3780400196069 / 8.0), + REAL_CONST(2008.2988502465078 / 8.0), + REAL_CONST(2017.2295780087982 / 8.0), + REAL_CONST(2026.1702013284819 / 8.0), + REAL_CONST(2035.1206983489212 / 8.0), + REAL_CONST(2044.0810473337688 / 8.0), + REAL_CONST(2053.0512266659125 / 8.0), + REAL_CONST(2062.0312148464309 / 8.0), + REAL_CONST(2071.0209904935646 / 8.0), + REAL_CONST(2080.0205323416958 / 8.0), + REAL_CONST(2089.0298192403443 / 8.0), + REAL_CONST(2098.0488301531714 / 8.0), + REAL_CONST(2107.0775441569995 / 8.0), + REAL_CONST(2116.115940440839 / 8.0), + REAL_CONST(2125.1639983049317 / 8.0), + REAL_CONST(2134.2216971597995 / 8.0), + REAL_CONST(2143.2890165253098 / 8.0), + REAL_CONST(2152.3659360297484 / 8.0), + REAL_CONST(2161.4524354089031 / 8.0), + REAL_CONST(2170.5484945051617 / 8.0), + REAL_CONST(2179.6540932666144 / 8.0), + REAL_CONST(2188.7692117461711 / 8.0), + REAL_CONST(2197.8938301006888 / 8.0), + REAL_CONST(2207.0279285901042 / 8.0), + REAL_CONST(2216.1714875765838 / 8.0), + REAL_CONST(2225.324487523676 / 8.0), + REAL_CONST(2234.4869089954782 / 8.0), + REAL_CONST(2243.6587326558101 / 8.0), + REAL_CONST(2252.8399392673982 / 8.0), + REAL_CONST(2262.0305096910702 / 8.0), + REAL_CONST(2271.2304248849537 / 8.0), + REAL_CONST(2280.4396659036897 / 8.0), + REAL_CONST(2289.6582138976523 / 8.0), + REAL_CONST(2298.8860501121762 / 8.0), + REAL_CONST(2308.1231558867926 / 8.0), + REAL_CONST(2317.3695126544767 / 8.0), + REAL_CONST(2326.6251019409005 / 8.0), + REAL_CONST(2335.8899053636933 / 8.0), + REAL_CONST(2345.1639046317132 / 8.0), + REAL_CONST(2354.4470815443233 / 8.0), + REAL_CONST(2363.7394179906792 / 8.0), + REAL_CONST(2373.0408959490205 / 8.0), + REAL_CONST(2382.3514974859731 / 8.0), + REAL_CONST(2391.6712047558558 / 8.0), + REAL_CONST(2400.9999999999991 / 8.0), + REAL_CONST(2410.3378655460651 / 8.0), + REAL_CONST(2419.6847838073813 / 8.0), + REAL_CONST(2429.0407372822747 / 8.0), + REAL_CONST(2438.4057085534191 / 8.0), + REAL_CONST(2447.7796802871858 / 8.0), + REAL_CONST(2457.1626352330004 / 8.0), + REAL_CONST(2466.5545562227112 / 8.0), + REAL_CONST(2475.9554261699564 / 8.0), + REAL_CONST(2485.3652280695474 / 8.0), + REAL_CONST(2494.7839449968492 / 8.0), + REAL_CONST(2504.2115601071737 / 8.0), + REAL_CONST(2513.6480566351788 / 8.0), + REAL_CONST(2523.0934178942675 / 8.0), + REAL_CONST(2532.5476272760025 / 8.0), + REAL_CONST(2542.0106682495189 / 8.0), + REAL_CONST(2551.482524360948 / 8.0), + REAL_CONST(2560.9631792328441 / 8.0), + REAL_CONST(2570.4526165636184 / 8.0), + REAL_CONST(2579.9508201269791 / 8.0), + REAL_CONST(2589.4577737713744 / 8.0), + REAL_CONST(2598.9734614194458 / 8.0), + REAL_CONST(2608.4978670674823 / 8.0), + REAL_CONST(2618.0309747848837 / 8.0), + REAL_CONST(2627.5727687136259 / 8.0), + REAL_CONST(2637.1232330677353 / 8.0), + REAL_CONST(2646.6823521327647 / 8.0), + REAL_CONST(2656.2501102652768 / 8.0), + REAL_CONST(2665.8264918923328 / 8.0), + REAL_CONST(2675.4114815109842 / 8.0), + REAL_CONST(2685.0050636877722 / 8.0), + REAL_CONST(2694.6072230582295 / 8.0), + REAL_CONST(2704.2179443263894 / 8.0), + REAL_CONST(2713.8372122642972 / 8.0), + REAL_CONST(2723.4650117115279 / 8.0), + REAL_CONST(2733.1013275747096 / 8.0), + REAL_CONST(2742.7461448270483 / 8.0), + REAL_CONST(2752.3994485078601 / 8.0), + REAL_CONST(2762.0612237221085 / 8.0), + REAL_CONST(2771.7314556399419 / 8.0), + REAL_CONST(2781.4101294962406 / 8.0), + REAL_CONST(2791.0972305901655 / 8.0), + REAL_CONST(2800.7927442847094 / 8.0), + REAL_CONST(2810.4966560062589 / 8.0), + REAL_CONST(2820.2089512441521 / 8.0), + REAL_CONST(2829.9296155502466 / 8.0), + REAL_CONST(2839.6586345384894 / 8.0), + REAL_CONST(2849.3959938844923 / 8.0), + REAL_CONST(2859.1416793251065 / 8.0), + REAL_CONST(2868.8956766580086 / 8.0), + REAL_CONST(2878.6579717412847 / 8.0), + REAL_CONST(2888.4285504930212 / 8.0), + REAL_CONST(2898.2073988908974 / 8.0), + REAL_CONST(2907.9945029717837 / 8.0), + REAL_CONST(2917.789848831344 / 8.0), + REAL_CONST(2927.5934226236377 / 8.0), + REAL_CONST(2937.4052105607311 / 8.0), + REAL_CONST(2947.2251989123079 / 8.0), + REAL_CONST(2957.0533740052865 / 8.0), + REAL_CONST(2966.8897222234368 / 8.0), + REAL_CONST(2976.734230007005 / 8.0), + REAL_CONST(2986.5868838523397 / 8.0), + REAL_CONST(2996.4476703115197 / 8.0), + REAL_CONST(3006.3165759919889 / 8.0), + REAL_CONST(3016.1935875561908 / 8.0), + REAL_CONST(3026.0786917212095 / 8.0), + REAL_CONST(3035.9718752584108 / 8.0), + REAL_CONST(3045.8731249930906 / 8.0), + REAL_CONST(3055.7824278041207 / 8.0), + REAL_CONST(3065.6997706236039 / 8.0), + REAL_CONST(3075.625140436528 / 8.0), + REAL_CONST(3085.5585242804245 / 8.0), + REAL_CONST(3095.4999092450298 / 8.0), + REAL_CONST(3105.4492824719491 / 8.0), + REAL_CONST(3115.4066311543256 / 8.0), + REAL_CONST(3125.3719425365089 / 8.0), + REAL_CONST(3135.3452039137287 / 8.0), + REAL_CONST(3145.3264026317715 / 8.0), + REAL_CONST(3155.3155260866592 / 8.0), + REAL_CONST(3165.3125617243295 / 8.0), + REAL_CONST(3175.3174970403229 / 8.0), + REAL_CONST(3185.3303195794679 / 8.0), + REAL_CONST(3195.35101693557 / 8.0), + REAL_CONST(3205.3795767511078 / 8.0), + REAL_CONST(3215.4159867169251 / 8.0), + REAL_CONST(3225.460234571929 / 8.0), + REAL_CONST(3235.5123081027928 / 8.0), + REAL_CONST(3245.5721951436558 / 8.0), + REAL_CONST(3255.63988357583 / 8.0), + REAL_CONST(3265.7153613275095 / 8.0), + REAL_CONST(3275.7986163734795 / 8.0), + REAL_CONST(3285.8896367348289 / 8.0), + REAL_CONST(3295.9884104786665 / 8.0), + REAL_CONST(3306.0949257178395 / 8.0), + REAL_CONST(3316.2091706106517 / 8.0), + REAL_CONST(3326.331133360588 / 8.0), + REAL_CONST(3336.4608022160378 / 8.0), + REAL_CONST(3346.5981654700231 / 8.0), + REAL_CONST(3356.7432114599264 / 8.0), + REAL_CONST(3366.8959285672249 / 8.0), + REAL_CONST(3377.0563052172211 / 8.0), + REAL_CONST(3387.2243298787821 / 8.0), + REAL_CONST(3397.3999910640764 / 8.0), + REAL_CONST(3407.5832773283128 / 8.0), + REAL_CONST(3417.7741772694862 / 8.0), + REAL_CONST(3427.9726795281199 / 8.0), + REAL_CONST(3438.1787727870123 / 8.0), + REAL_CONST(3448.3924457709873 / 8.0), + REAL_CONST(3458.6136872466445 / 8.0), + REAL_CONST(3468.8424860221107 / 8.0), + REAL_CONST(3479.0788309467976 / 8.0), + REAL_CONST(3489.3227109111554 / 8.0), + REAL_CONST(3499.5741148464344 / 8.0), + REAL_CONST(3509.8330317244445 / 8.0), + REAL_CONST(3520.0994505573185 / 8.0), + REAL_CONST(3530.3733603972751 / 8.0), + REAL_CONST(3540.6547503363886 / 8.0), + REAL_CONST(3550.9436095063534 / 8.0), + REAL_CONST(3561.239927078258 / 8.0), + REAL_CONST(3571.5436922623535 / 8.0), + REAL_CONST(3581.8548943078308 / 8.0), + REAL_CONST(3592.1735225025936 / 8.0), + REAL_CONST(3602.4995661730372 / 8.0), + REAL_CONST(3612.8330146838275 / 8.0), + REAL_CONST(3623.1738574376814 / 8.0), + REAL_CONST(3633.5220838751502 / 8.0), + REAL_CONST(3643.8776834744031 / 8.0), + REAL_CONST(3654.2406457510142 / 8.0), + REAL_CONST(3664.6109602577494 / 8.0), + REAL_CONST(3674.9886165843564 / 8.0), + REAL_CONST(3685.3736043573545 / 8.0), + REAL_CONST(3695.7659132398294 / 8.0), + REAL_CONST(3706.1655329312248 / 8.0), + REAL_CONST(3716.5724531671399 / 8.0), + REAL_CONST(3726.9866637191262 / 8.0), + REAL_CONST(3737.4081543944876 / 8.0), + REAL_CONST(3747.8369150360782 / 8.0), + REAL_CONST(3758.2729355221072 / 8.0), + REAL_CONST(3768.7162057659411 / 8.0), + REAL_CONST(3779.1667157159077 / 8.0), + REAL_CONST(3789.6244553551055 / 8.0), + REAL_CONST(3800.0894147012082 / 8.0), + REAL_CONST(3810.5615838062768 / 8.0), + REAL_CONST(3821.0409527565694 / 8.0), + REAL_CONST(3831.5275116723533 / 8.0), + REAL_CONST(3842.0212507077194 / 8.0), + REAL_CONST(3852.522160050396 / 8.0), + REAL_CONST(3863.0302299215673 / 8.0), + REAL_CONST(3873.5454505756893 / 8.0), + REAL_CONST(3884.0678123003108 / 8.0), + REAL_CONST(3894.5973054158922 / 8.0), + REAL_CONST(3905.1339202756285 / 8.0), + REAL_CONST(3915.6776472652732 / 8.0), + REAL_CONST(3926.2284768029604 / 8.0), + REAL_CONST(3936.7863993390338 / 8.0), + REAL_CONST(3947.3514053558706 / 8.0), + REAL_CONST(3957.9234853677135 / 8.0), + REAL_CONST(3968.5026299204969 / 8.0), + REAL_CONST(3979.0888295916798 / 8.0), + REAL_CONST(3989.6820749900776 / 8.0), + REAL_CONST(4000.2823567556948 / 8.0), + REAL_CONST(4010.8896655595613 / 8.0), + REAL_CONST(4021.5039921035655 / 8.0), + REAL_CONST(4032.1253271202945 / 8.0), + REAL_CONST(4042.7536613728694 / 8.0), + REAL_CONST(4053.3889856547858 / 8.0), + REAL_CONST(4064.0312907897551 / 8.0), + REAL_CONST(4074.6805676315448 / 8.0), + REAL_CONST(4085.3368070638221 / 8.0), + REAL_CONST(4095.9999999999982 / 8.0), + REAL_CONST(4106.6701373830711 / 8.0), + REAL_CONST(4117.347210185475 / 8.0), + REAL_CONST(4128.0312094089259 / 8.0), + REAL_CONST(4138.722126084268 / 8.0), + REAL_CONST(4149.4199512713267 / 8.0), + REAL_CONST(4160.1246760587583 / 8.0), + REAL_CONST(4170.8362915638982 / 8.0), + REAL_CONST(4181.5547889326181 / 8.0), + REAL_CONST(4192.2801593391769 / 8.0), + REAL_CONST(4203.0123939860741 / 8.0), + REAL_CONST(4213.7514841039101 / 8.0), + REAL_CONST(4224.4974209512384 / 8.0), + REAL_CONST(4235.2501958144258 / 8.0), + REAL_CONST(4246.0098000075095 / 8.0), + REAL_CONST(4256.7762248720574 / 8.0), + REAL_CONST(4267.549461777031 / 8.0), + REAL_CONST(4278.3295021186423 / 8.0), + REAL_CONST(4289.1163373202198 / 8.0), + REAL_CONST(4299.9099588320714 / 8.0), + REAL_CONST(4310.7103581313495 / 8.0), + REAL_CONST(4321.5175267219138 / 8.0), + REAL_CONST(4332.3314561342004 / 8.0), + REAL_CONST(4343.152137925088 / 8.0), + REAL_CONST(4353.9795636777671 / 8.0), + REAL_CONST(4364.8137250016052 / 8.0), + REAL_CONST(4375.6546135320223 / 8.0), + REAL_CONST(4386.5022209303588 / 8.0), + REAL_CONST(4397.3565388837469 / 8.0), + REAL_CONST(4408.2175591049827 / 8.0), + REAL_CONST(4419.0852733324018 / 8.0), + REAL_CONST(4429.9596733297531 / 8.0), + REAL_CONST(4440.8407508860728 / 8.0), + REAL_CONST(4451.7284978155603 / 8.0), + REAL_CONST(4462.6229059574571 / 8.0), + REAL_CONST(4473.5239671759227 / 8.0), + REAL_CONST(4484.4316733599126 / 8.0), + REAL_CONST(4495.3460164230582 / 8.0), + REAL_CONST(4506.2669883035496 / 8.0), + REAL_CONST(4517.1945809640119 / 8.0), + REAL_CONST(4528.1287863913894 / 8.0), + REAL_CONST(4539.069596596828 / 8.0), + REAL_CONST(4550.0170036155587 / 8.0), + REAL_CONST(4560.9709995067806 / 8.0), + REAL_CONST(4571.931576353546 / 8.0), + REAL_CONST(4582.898726262647 / 8.0), + REAL_CONST(4593.8724413645004 / 8.0), + REAL_CONST(4604.8527138130348 / 8.0), + REAL_CONST(4615.8395357855816 / 8.0), + REAL_CONST(4626.8328994827571 / 8.0), + REAL_CONST(4637.8327971283588 / 8.0), + REAL_CONST(4648.8392209692511 / 8.0), + REAL_CONST(4659.8521632752563 / 8.0), + REAL_CONST(4670.8716163390473 / 8.0), + REAL_CONST(4681.8975724760394 / 8.0), + REAL_CONST(4692.9300240242837 / 8.0), + REAL_CONST(4703.9689633443595 / 8.0), + REAL_CONST(4715.0143828192668 / 8.0), + REAL_CONST(4726.0662748543255 / 8.0), + REAL_CONST(4737.1246318770682 / 8.0), + REAL_CONST(4748.1894463371373 / 8.0), + REAL_CONST(4759.2607107061804 / 8.0), + REAL_CONST(4770.3384174777493 / 8.0), + REAL_CONST(4781.4225591671993 / 8.0), + REAL_CONST(4792.5131283115852 / 8.0), + REAL_CONST(4803.6101174695614 / 8.0), + REAL_CONST(4814.7135192212854 / 8.0), + REAL_CONST(4825.8233261683154 / 8.0), + REAL_CONST(4836.9395309335096 / 8.0), + REAL_CONST(4848.0621261609349 / 8.0), + REAL_CONST(4859.1911045157631 / 8.0), + REAL_CONST(4870.3264586841779 / 8.0), + REAL_CONST(4881.4681813732768 / 8.0), + REAL_CONST(4892.6162653109768 / 8.0), + REAL_CONST(4903.7707032459193 / 8.0), + REAL_CONST(4914.931487947375 / 8.0), + REAL_CONST(4926.0986122051509 / 8.0), + REAL_CONST(4937.2720688294967 / 8.0), + REAL_CONST(4948.4518506510112 / 8.0), + REAL_CONST(4959.637950520555 / 8.0), + REAL_CONST(4970.8303613091521 / 8.0), + REAL_CONST(4982.0290759079044 / 8.0), + REAL_CONST(4993.2340872278974 / 8.0), + REAL_CONST(5004.4453882001153 / 8.0), + REAL_CONST(5015.6629717753467 / 8.0), + REAL_CONST(5026.8868309241007 / 8.0), + REAL_CONST(5038.1169586365131 / 8.0), + REAL_CONST(5049.353347922266 / 8.0), + REAL_CONST(5060.5959918104927 / 8.0), + REAL_CONST(5071.8448833496996 / 8.0), + REAL_CONST(5083.1000156076734 / 8.0), + REAL_CONST(5094.3613816713996 / 8.0), + REAL_CONST(5105.6289746469747 / 8.0), + REAL_CONST(5116.9027876595246 / 8.0), + REAL_CONST(5128.18281385312 / 8.0), + REAL_CONST(5139.4690463906918 / 8.0), + REAL_CONST(5150.7614784539473 / 8.0), + REAL_CONST(5162.0601032432933 / 8.0), + REAL_CONST(5173.3649139777472 / 8.0), + REAL_CONST(5184.6759038948594 / 8.0), + REAL_CONST(5195.9930662506322 / 8.0), + REAL_CONST(5207.3163943194386 / 8.0), + REAL_CONST(5218.6458813939435 / 8.0), + REAL_CONST(5229.9815207850224 / 8.0), + REAL_CONST(5241.3233058216847 / 8.0), + REAL_CONST(5252.6712298509919 / 8.0), + REAL_CONST(5264.025286237983 / 8.0), + REAL_CONST(5275.3854683655954 / 8.0), + REAL_CONST(5286.7517696345885 / 8.0), + REAL_CONST(5298.1241834634639 / 8.0), + REAL_CONST(5309.5027032883945 / 8.0), + REAL_CONST(5320.887322563146 / 8.0), + REAL_CONST(5332.2780347589978 / 8.0), + REAL_CONST(5343.6748333646756 / 8.0), + REAL_CONST(5355.0777118862716 / 8.0), + REAL_CONST(5366.4866638471722 / 8.0), + REAL_CONST(5377.901682787985 / 8.0), + REAL_CONST(5389.3227622664635 / 8.0), + REAL_CONST(5400.749895857437 / 8.0), + REAL_CONST(5412.1830771527357 / 8.0), + REAL_CONST(5423.622299761123 / 8.0), + REAL_CONST(5435.067557308219 / 8.0), + REAL_CONST(5446.5188434364318 / 8.0), + REAL_CONST(5457.9761518048872 / 8.0), + REAL_CONST(5469.4394760893592 / 8.0), + REAL_CONST(5480.9088099821975 / 8.0), + REAL_CONST(5492.3841471922606 / 8.0), + REAL_CONST(5503.8654814448455 / 8.0), + REAL_CONST(5515.3528064816201 / 8.0), + REAL_CONST(5526.846116060552 / 8.0), + REAL_CONST(5538.3454039558474 / 8.0), + REAL_CONST(5549.8506639578736 / 8.0), + REAL_CONST(5561.3618898731029 / 8.0), + REAL_CONST(5572.8790755240361 / 8.0), + REAL_CONST(5584.4022147491451 / 8.0), + REAL_CONST(5595.9313014027975 / 8.0), + REAL_CONST(5607.4663293552012 / 8.0), + REAL_CONST(5619.0072924923297 / 8.0), + REAL_CONST(5630.5541847158656 / 8.0), + REAL_CONST(5642.1069999431284 / 8.0), + REAL_CONST(5653.665732107017 / 8.0), + REAL_CONST(5665.230375155943 / 8.0), + REAL_CONST(5676.8009230537655 / 8.0), + REAL_CONST(5688.3773697797333 / 8.0), + REAL_CONST(5699.9597093284156 / 8.0), + REAL_CONST(5711.5479357096474 / 8.0), + REAL_CONST(5723.1420429484588 / 8.0), + REAL_CONST(5734.7420250850209 / 8.0), + REAL_CONST(5746.347876174581 / 8.0), + REAL_CONST(5757.9595902874016 / 8.0), + REAL_CONST(5769.5771615087006 / 8.0), + REAL_CONST(5781.2005839385911 / 8.0), + REAL_CONST(5792.8298516920213 / 8.0), + REAL_CONST(5804.4649588987149 / 8.0), + REAL_CONST(5816.1058997031105 / 8.0), + REAL_CONST(5827.7526682643065 / 8.0), + REAL_CONST(5839.4052587559972 / 8.0), + REAL_CONST(5851.0636653664196 / 8.0), + REAL_CONST(5862.7278822982908 / 8.0), + REAL_CONST(5874.3979037687541 / 8.0), + REAL_CONST(5886.0737240093204 / 8.0), + REAL_CONST(5897.7553372658094 / 8.0), + REAL_CONST(5909.4427377982956 / 8.0), + REAL_CONST(5921.1359198810505 / 8.0), + REAL_CONST(5932.8348778024874 / 8.0), + REAL_CONST(5944.5396058651031 / 8.0), + REAL_CONST(5956.2500983854261 / 8.0), + REAL_CONST(5967.9663496939575 / 8.0), + REAL_CONST(5979.6883541351208 / 8.0), + REAL_CONST(5991.4161060672022 / 8.0), + REAL_CONST(6003.1495998623004 / 8.0), + REAL_CONST(6014.8888299062692 / 8.0), + REAL_CONST(6026.6337905986684 / 8.0), + REAL_CONST(6038.3844763527022 / 8.0), + REAL_CONST(6050.1408815951781 / 8.0), + REAL_CONST(6061.9030007664414 / 8.0), + REAL_CONST(6073.6708283203316 / 8.0), + REAL_CONST(6085.4443587241267 / 8.0), + REAL_CONST(6097.2235864584891 / 8.0), + REAL_CONST(6109.0085060174197 / 8.0), + REAL_CONST(6120.7991119081998 / 8.0), + REAL_CONST(6132.595398651345 / 8.0), + REAL_CONST(6144.3973607805519 / 8.0), + REAL_CONST(6156.2049928426459 / 8.0), + REAL_CONST(6168.0182893975361 / 8.0), + REAL_CONST(6179.8372450181578 / 8.0), + REAL_CONST(6191.6618542904307 / 8.0), + REAL_CONST(6203.4921118132024 / 8.0), + REAL_CONST(6215.3280121982016 / 8.0), + REAL_CONST(6227.1695500699925 / 8.0), + REAL_CONST(6239.0167200659189 / 8.0), + REAL_CONST(6250.8695168360628 / 8.0), + REAL_CONST(6262.7279350431891 / 8.0), + REAL_CONST(6274.5919693627056 / 8.0), + REAL_CONST(6286.4616144826068 / 8.0), + REAL_CONST(6298.3368651034316 / 8.0), + REAL_CONST(6310.2177159382172 / 8.0), + REAL_CONST(6322.1041617124456 / 8.0), + REAL_CONST(6333.9961971640032 / 8.0), + REAL_CONST(6345.8938170431311 / 8.0), + REAL_CONST(6357.7970161123785 / 8.0), + REAL_CONST(6369.7057891465583 / 8.0), + REAL_CONST(6381.6201309327007 / 8.0), + REAL_CONST(6393.5400362700075 / 8.0), + REAL_CONST(6405.4654999698032 / 8.0), + REAL_CONST(6417.3965168554978 / 8.0), + REAL_CONST(6429.3330817625329 / 8.0), + REAL_CONST(6441.2751895383453 / 8.0), + REAL_CONST(6453.2228350423138 / 8.0), + REAL_CONST(6465.176013145724 / 8.0), + REAL_CONST(6477.134718731716 / 8.0), + REAL_CONST(6489.0989466952469 / 8.0), + REAL_CONST(6501.0686919430445 / 8.0), + REAL_CONST(6513.0439493935628 / 8.0), + REAL_CONST(6525.0247139769417 / 8.0), + REAL_CONST(6537.010980634961 / 8.0), + REAL_CONST(6549.002744321001 / 8.0), + REAL_CONST(6560.9999999999973 / 8.0), + REAL_CONST(6573.0027426483985 / 8.0), + REAL_CONST(6585.0109672541284 / 8.0), + REAL_CONST(6597.0246688165371 / 8.0), + REAL_CONST(6609.0438423463656 / 8.0), + REAL_CONST(6621.0684828657004 / 8.0), + REAL_CONST(6633.0985854079354 / 8.0), + REAL_CONST(6645.134145017727 / 8.0), + REAL_CONST(6657.1751567509573 / 8.0), + REAL_CONST(6669.2216156746908 / 8.0), + REAL_CONST(6681.2735168671343 / 8.0), + REAL_CONST(6693.3308554176001 / 8.0), + REAL_CONST(6705.3936264264594 / 8.0), + REAL_CONST(6717.461825005108 / 8.0), + REAL_CONST(6729.535446275926 / 8.0), + REAL_CONST(6741.6144853722335 / 8.0), + REAL_CONST(6753.6989374382601 / 8.0), + REAL_CONST(6765.7887976290967 / 8.0), + REAL_CONST(6777.8840611106634 / 8.0), + REAL_CONST(6789.9847230596661 / 8.0), + REAL_CONST(6802.0907786635626 / 8.0), + REAL_CONST(6814.2022231205201 / 8.0), + REAL_CONST(6826.3190516393797 / 8.0), + REAL_CONST(6838.4412594396181 / 8.0), + REAL_CONST(6850.5688417513074 / 8.0), + REAL_CONST(6862.701793815083 / 8.0), + REAL_CONST(6874.840110882099 / 8.0), + REAL_CONST(6886.9837882139991 / 8.0), + REAL_CONST(6899.1328210828724 / 8.0), + REAL_CONST(6911.2872047712199 / 8.0), + REAL_CONST(6923.4469345719199 / 8.0), + REAL_CONST(6935.6120057881863 / 8.0), + REAL_CONST(6947.7824137335365 / 8.0), + REAL_CONST(6959.9581537317536 / 8.0), + REAL_CONST(6972.1392211168532 / 8.0), + REAL_CONST(6984.3256112330409 / 8.0), + REAL_CONST(6996.5173194346862 / 8.0), + REAL_CONST(7008.7143410862773 / 8.0), + REAL_CONST(7020.9166715623942 / 8.0), + REAL_CONST(7033.1243062476678 / 8.0), + REAL_CONST(7045.3372405367481 / 8.0), + REAL_CONST(7057.5554698342685 / 8.0), + REAL_CONST(7069.7789895548103 / 8.0), + REAL_CONST(7082.0077951228714 / 8.0), + REAL_CONST(7094.2418819728273 / 8.0), + REAL_CONST(7106.4812455489018 / 8.0), + REAL_CONST(7118.7258813051285 / 8.0), + REAL_CONST(7130.9757847053224 / 8.0), + REAL_CONST(7143.2309512230404 / 8.0), + REAL_CONST(7155.4913763415516 / 8.0), + REAL_CONST(7167.7570555538041 / 8.0), + REAL_CONST(7180.0279843623894 / 8.0), + REAL_CONST(7192.3041582795131 / 8.0), + REAL_CONST(7204.5855728269571 / 8.0), + REAL_CONST(7216.8722235360519 / 8.0), + REAL_CONST(7229.1641059476406 / 8.0), + REAL_CONST(7241.4612156120484 / 8.0), + REAL_CONST(7253.7635480890503 / 8.0), + REAL_CONST(7266.0710989478375 / 8.0), + REAL_CONST(7278.3838637669869 / 8.0), + REAL_CONST(7290.7018381344296 / 8.0), + REAL_CONST(7303.0250176474174 / 8.0), + REAL_CONST(7315.3533979124932 / 8.0), + REAL_CONST(7327.6869745454596 / 8.0), + REAL_CONST(7340.0257431713462 / 8.0), + REAL_CONST(7352.3696994243801 / 8.0), + REAL_CONST(7364.7188389479543 / 8.0), + REAL_CONST(7377.0731573945968 / 8.0), + REAL_CONST(7389.4326504259407 / 8.0), + REAL_CONST(7401.7973137126937 / 8.0), + REAL_CONST(7414.1671429346061 / 8.0), + REAL_CONST(7426.5421337804428 / 8.0), + REAL_CONST(7438.922281947951 / 8.0), + REAL_CONST(7451.3075831438346 / 8.0), + REAL_CONST(7463.6980330837177 / 8.0), + REAL_CONST(7476.0936274921214 / 8.0), + REAL_CONST(7488.4943621024304 / 8.0), + REAL_CONST(7500.9002326568652 / 8.0), + REAL_CONST(7513.3112349064522 / 8.0), + REAL_CONST(7525.7273646109943 / 8.0), + REAL_CONST(7538.1486175390446 / 8.0), + REAL_CONST(7550.5749894678729 / 8.0), + REAL_CONST(7563.0064761834419 / 8.0), + REAL_CONST(7575.4430734803736 / 8.0), + REAL_CONST(7587.8847771619248 / 8.0), + REAL_CONST(7600.3315830399597 / 8.0), + REAL_CONST(7612.7834869349153 / 8.0), + REAL_CONST(7625.24048467578 / 8.0), + REAL_CONST(7637.7025721000637 / 8.0), + REAL_CONST(7650.1697450537677 / 8.0), + REAL_CONST(7662.6419993913596 / 8.0), + REAL_CONST(7675.1193309757446 / 8.0), + REAL_CONST(7687.6017356782404 / 8.0), + REAL_CONST(7700.0892093785433 / 8.0), + REAL_CONST(7712.5817479647112 / 8.0), + REAL_CONST(7725.079347333125 / 8.0), + REAL_CONST(7737.5820033884729 / 8.0), + REAL_CONST(7750.0897120437139 / 8.0), + REAL_CONST(7762.6024692200581 / 8.0), + REAL_CONST(7775.1202708469355 / 8.0), + REAL_CONST(7787.6431128619733 / 8.0), + REAL_CONST(7800.1709912109645 / 8.0), + REAL_CONST(7812.7039018478481 / 8.0), + REAL_CONST(7825.2418407346768 / 8.0), + REAL_CONST(7837.7848038415968 / 8.0), + REAL_CONST(7850.3327871468155 / 8.0), + REAL_CONST(7862.8857866365806 / 8.0), + REAL_CONST(7875.4437983051539 / 8.0), + REAL_CONST(7888.006818154784 / 8.0), + REAL_CONST(7900.5748421956796 / 8.0), + REAL_CONST(7913.1478664459901 / 8.0), + REAL_CONST(7925.725886931772 / 8.0), + REAL_CONST(7938.3088996869719 / 8.0), + REAL_CONST(7950.8969007533951 / 8.0), + REAL_CONST(7963.4898861806851 / 8.0), + REAL_CONST(7976.0878520262959 / 8.0), + REAL_CONST(7988.6907943554688 / 8.0), + REAL_CONST(8001.2987092412086 / 8.0), + REAL_CONST(8013.911592764257 / 8.0), + REAL_CONST(8026.5294410130691 / 8.0), + REAL_CONST(8039.1522500837891 / 8.0), + REAL_CONST(8051.7800160802271 / 8.0), + REAL_CONST(8064.412735113835 / 8.0), + REAL_CONST(8077.0504033036796 / 8.0), + REAL_CONST(8089.6930167764222 / 8.0), + REAL_CONST(8102.3405716662946 / 8.0), + REAL_CONST(8114.9930641150731 / 8.0), + REAL_CONST(8127.6504902720571 / 8.0), + REAL_CONST(8140.3128462940449 / 8.0), + REAL_CONST(8152.9801283453098 / 8.0), + REAL_CONST(8165.6523325975786 / 8.0), + REAL_CONST(8178.3294552300049 / 8.0), + REAL_CONST(8191.0114924291529 / 8.0), + REAL_CONST(8203.6984403889655 / 8.0), + REAL_CONST(8216.3902953107463 / 8.0), + REAL_CONST(8229.0870534031419 / 8.0), + REAL_CONST(8241.7887108821069 / 8.0), + REAL_CONST(8254.4952639708936 / 8.0), + REAL_CONST(8267.2067089000211 / 8.0), + REAL_CONST(8279.9230419072574 / 8.0), + REAL_CONST(8292.6442592375952 / 8.0), + REAL_CONST(8305.3703571432306 / 8.0), + REAL_CONST(8318.101331883543 / 8.0), + REAL_CONST(8330.8371797250657 / 8.0), + REAL_CONST(8343.577896941475 / 8.0), + REAL_CONST(8356.3234798135582 / 8.0), + REAL_CONST(8369.0739246291978 / 8.0), + REAL_CONST(8381.8292276833508 / 8.0), + REAL_CONST(8394.5893852780209 / 8.0), + REAL_CONST(8407.3543937222421 / 8.0), + REAL_CONST(8420.1242493320569 / 8.0), + REAL_CONST(8432.8989484304948 / 8.0), + REAL_CONST(8445.6784873475499 / 8.0), + REAL_CONST(8458.4628624201578 / 8.0), + REAL_CONST(8471.2520699921806 / 8.0), + REAL_CONST(8484.0461064143838 / 8.0), + REAL_CONST(8496.8449680444082 / 8.0), + REAL_CONST(8509.6486512467636 / 8.0), + REAL_CONST(8522.4571523927953 / 8.0), + REAL_CONST(8535.270467860666 / 8.0), + REAL_CONST(8548.0885940353437 / 8.0), + REAL_CONST(8560.9115273085663 / 8.0), + REAL_CONST(8573.7392640788403 / 8.0), + REAL_CONST(8586.5718007514006 / 8.0), + REAL_CONST(8599.4091337382069 / 8.0), + REAL_CONST(8612.2512594579148 / 8.0), + REAL_CONST(8625.0981743358552 / 8.0), + REAL_CONST(8637.9498748040205 / 8.0), + REAL_CONST(8650.8063573010386 / 8.0), + REAL_CONST(8663.6676182721567 / 8.0), + REAL_CONST(8676.533654169225 / 8.0), + REAL_CONST(8689.4044614506638 / 8.0), + REAL_CONST(8702.2800365814601 / 8.0), + REAL_CONST(8715.1603760331418 / 8.0), + REAL_CONST(8728.0454762837508 / 8.0), + REAL_CONST(8740.9353338178389 / 8.0), + REAL_CONST(8753.8299451264356 / 8.0), + REAL_CONST(8766.7293067070332 / 8.0), + REAL_CONST(8779.6334150635721 / 8.0), + REAL_CONST(8792.5422667064158 / 8.0), + REAL_CONST(8805.4558581523324 / 8.0), + REAL_CONST(8818.3741859244819 / 8.0), + REAL_CONST(8831.2972465523908 / 8.0), + REAL_CONST(8844.2250365719356 / 8.0), + REAL_CONST(8857.1575525253265 / 8.0), + REAL_CONST(8870.0947909610859 / 8.0), + REAL_CONST(8883.0367484340295 / 8.0), + REAL_CONST(8895.9834215052524 / 8.0), + REAL_CONST(8908.934806742107 / 8.0), + REAL_CONST(8921.8909007181846 / 8.0), + REAL_CONST(8934.8517000132997 / 8.0), + REAL_CONST(8947.817201213471 / 8.0), + REAL_CONST(8960.7874009109 / 8.0), + REAL_CONST(8973.7622957039603 / 8.0), + REAL_CONST(8986.7418821971733 / 8.0), + REAL_CONST(8999.7261570011924 / 8.0), + REAL_CONST(9012.7151167327884 / 8.0), + REAL_CONST(9025.7087580148236 / 8.0), + REAL_CONST(9038.7070774762469 / 8.0), + REAL_CONST(9051.7100717520643 / 8.0), + REAL_CONST(9064.7177374833282 / 8.0), + REAL_CONST(9077.7300713171153 / 8.0), + REAL_CONST(9090.7470699065179 / 8.0), + REAL_CONST(9103.7687299106146 / 8.0), + REAL_CONST(9116.7950479944648 / 8.0), + REAL_CONST(9129.8260208290812 / 8.0), + REAL_CONST(9142.8616450914233 / 8.0), + REAL_CONST(9155.9019174643727 / 8.0), + REAL_CONST(9168.9468346367157 / 8.0), + REAL_CONST(9181.9963933031358 / 8.0), + REAL_CONST(9195.0505901641845 / 8.0), + REAL_CONST(9208.1094219262741 / 8.0), + REAL_CONST(9221.1728853016557 / 8.0), + REAL_CONST(9234.240977008405 / 8.0), + REAL_CONST(9247.3136937704076 / 8.0), + REAL_CONST(9260.3910323173386 / 8.0), + REAL_CONST(9273.472989384647 / 8.0), + REAL_CONST(9286.5595617135423 / 8.0), + REAL_CONST(9299.6507460509747 / 8.0), + REAL_CONST(9312.7465391496207 / 8.0), + REAL_CONST(9325.8469377678684 / 8.0), + REAL_CONST(9338.9519386698012 / 8.0), + REAL_CONST(9352.0615386251757 / 8.0), + REAL_CONST(9365.1757344094131 / 8.0), + REAL_CONST(9378.2945228035842 / 8.0), + REAL_CONST(9391.4179005943843 / 8.0), + REAL_CONST(9404.5458645741273 / 8.0), + REAL_CONST(9417.6784115407263 / 8.0), + REAL_CONST(9430.8155382976747 / 8.0), + REAL_CONST(9443.9572416540359 / 8.0), + REAL_CONST(9457.1035184244265 / 8.0), + REAL_CONST(9470.2543654290002 / 8.0), + REAL_CONST(9483.4097794934296 / 8.0), + REAL_CONST(9496.5697574488931 / 8.0), + REAL_CONST(9509.7342961320664 / 8.0), + REAL_CONST(9522.9033923850911 / 8.0), + REAL_CONST(9536.0770430555804 / 8.0), + REAL_CONST(9549.2552449965824 / 8.0), + REAL_CONST(9562.4379950665825 / 8.0), + REAL_CONST(9575.6252901294793 / 8.0), + REAL_CONST(9588.8171270545736 / 8.0), + REAL_CONST(9602.0135027165488 / 8.0), + REAL_CONST(9615.2144139954635 / 8.0), + REAL_CONST(9628.4198577767274 / 8.0), + REAL_CONST(9641.629830951093 / 8.0), + REAL_CONST(9654.844330414644 / 8.0), + REAL_CONST(9668.0633530687719 / 8.0), + REAL_CONST(9681.286895820167 / 8.0), + REAL_CONST(9694.5149555808002 / 8.0), + REAL_CONST(9707.7475292679192 / 8.0), + REAL_CONST(9720.9846138040157 / 8.0), + REAL_CONST(9734.2262061168276 / 8.0), + REAL_CONST(9747.4723031393187 / 8.0), + REAL_CONST(9760.7229018096641 / 8.0), + REAL_CONST(9773.9779990712323 / 8.0), + REAL_CONST(9787.2375918725811 / 8.0), + REAL_CONST(9800.5016771674327 / 8.0), + REAL_CONST(9813.7702519146696 / 8.0), + REAL_CONST(9827.0433130783094 / 8.0), + REAL_CONST(9840.3208576275028 / 8.0), + REAL_CONST(9853.602882536512 / 8.0), + REAL_CONST(9866.8893847846994 / 8.0), + REAL_CONST(9880.1803613565116 / 8.0), + REAL_CONST(9893.4758092414686 / 8.0), + REAL_CONST(9906.7757254341523 / 8.0), + REAL_CONST(9920.0801069341851 / 8.0), + REAL_CONST(9933.3889507462245 / 8.0), + REAL_CONST(9946.7022538799429 / 8.0), + REAL_CONST(9960.0200133500221 / 8.0), + REAL_CONST(9973.3422261761298 / 8.0), + REAL_CONST(9986.6688893829159 / 8.0), + REAL_CONST(9999.9999999999945 / 8.0), + REAL_CONST(10013.335555061929 / 8.0), + REAL_CONST(10026.675551608221 / 8.0), + REAL_CONST(10040.019986683301 / 8.0), + REAL_CONST(10053.368857336509 / 8.0), + REAL_CONST(10066.722160622081 / 8.0), + REAL_CONST(10080.079893599144 / 8.0), + REAL_CONST(10093.442053331697 / 8.0), + REAL_CONST(10106.808636888598 / 8.0), + REAL_CONST(10120.179641343551 / 8.0), + REAL_CONST(10133.555063775095 / 8.0), + REAL_CONST(10146.934901266595 / 8.0), + REAL_CONST(10160.31915090622 / 8.0), + REAL_CONST(10173.707809786936 / 8.0), + REAL_CONST(10187.100875006496 / 8.0), + REAL_CONST(10200.498343667417 / 8.0), + REAL_CONST(10213.900212876984 / 8.0), + REAL_CONST(10227.306479747222 / 8.0), + REAL_CONST(10240.717141394889 / 8.0), + REAL_CONST(10254.132194941467 / 8.0), + REAL_CONST(10267.551637513146 / 8.0), + REAL_CONST(10280.975466240814 / 8.0), + REAL_CONST(10294.40367826004 / 8.0), + REAL_CONST(10307.836270711066 / 8.0), + REAL_CONST(10321.273240738796 / 8.0), + REAL_CONST(10334.71458549278 / 8.0) +#ifdef BIG_IQ_TABLE + , REAL_CONST(10348.160302127204 / 8.0), + REAL_CONST(10361.610387800878 / 8.0), + REAL_CONST(10375.064839677221 / 8.0), + REAL_CONST(10388.523654924258 / 8.0), + REAL_CONST(10401.986830714593 / 8.0), + REAL_CONST(10415.454364225412 / 8.0), + REAL_CONST(10428.926252638465 / 8.0), + REAL_CONST(10442.402493140049 / 8.0), + REAL_CONST(10455.883082921007 / 8.0), + REAL_CONST(10469.368019176709 / 8.0), + REAL_CONST(10482.85729910704 / 8.0), + REAL_CONST(10496.350919916393 / 8.0), + REAL_CONST(10509.848878813653 / 8.0), + REAL_CONST(10523.351173012188 / 8.0), + REAL_CONST(10536.857799729838 / 8.0), + REAL_CONST(10550.3687561889 / 8.0), + REAL_CONST(10563.884039616123 / 8.0), + REAL_CONST(10577.403647242685 / 8.0), + REAL_CONST(10590.927576304197 / 8.0), + REAL_CONST(10604.455824040679 / 8.0), + REAL_CONST(10617.988387696556 / 8.0), + REAL_CONST(10631.525264520642 / 8.0), + REAL_CONST(10645.066451766135 / 8.0), + REAL_CONST(10658.611946690598 / 8.0), + REAL_CONST(10672.161746555956 / 8.0), + REAL_CONST(10685.715848628475 / 8.0), + REAL_CONST(10699.274250178762 / 8.0), + REAL_CONST(10712.836948481747 / 8.0), + REAL_CONST(10726.403940816675 / 8.0), + REAL_CONST(10739.975224467091 / 8.0), + REAL_CONST(10753.550796720834 / 8.0), + REAL_CONST(10767.130654870027 / 8.0), + REAL_CONST(10780.714796211059 / 8.0), + REAL_CONST(10794.303218044579 / 8.0), + REAL_CONST(10807.895917675487 / 8.0), + REAL_CONST(10821.492892412922 / 8.0), + REAL_CONST(10835.094139570248 / 8.0), + REAL_CONST(10848.699656465047 / 8.0), + REAL_CONST(10862.309440419107 / 8.0), + REAL_CONST(10875.923488758415 / 8.0), + REAL_CONST(10889.541798813138 / 8.0), + REAL_CONST(10903.16436791762 / 8.0), + REAL_CONST(10916.791193410372 / 8.0), + REAL_CONST(10930.422272634056 / 8.0), + REAL_CONST(10944.05760293548 / 8.0), + REAL_CONST(10957.697181665582 / 8.0), + REAL_CONST(10971.341006179427 / 8.0), + REAL_CONST(10984.98907383619 / 8.0), + REAL_CONST(10998.641381999149 / 8.0), + REAL_CONST(11012.297928035676 / 8.0), + REAL_CONST(11025.958709317223 / 8.0), + REAL_CONST(11039.623723219316 / 8.0), + REAL_CONST(11053.292967121541 / 8.0), + REAL_CONST(11066.966438407539 / 8.0), + REAL_CONST(11080.64413446499 / 8.0), + REAL_CONST(11094.326052685608 / 8.0), + REAL_CONST(11108.012190465128 / 8.0), + REAL_CONST(11121.702545203296 / 8.0), + REAL_CONST(11135.397114303863 / 8.0), + REAL_CONST(11149.095895174571 / 8.0), + REAL_CONST(11162.798885227143 / 8.0), + REAL_CONST(11176.506081877278 / 8.0), + REAL_CONST(11190.217482544635 / 8.0), + REAL_CONST(11203.933084652828 / 8.0), + REAL_CONST(11217.652885629415 / 8.0), + REAL_CONST(11231.376882905886 / 8.0), + REAL_CONST(11245.105073917659 / 8.0), + REAL_CONST(11258.837456104062 / 8.0), + REAL_CONST(11272.574026908333 / 8.0), + REAL_CONST(11286.314783777601 / 8.0), + REAL_CONST(11300.059724162888 / 8.0), + REAL_CONST(11313.808845519083 / 8.0), + REAL_CONST(11327.562145304952 / 8.0), + REAL_CONST(11341.319620983111 / 8.0), + REAL_CONST(11355.081270020033 / 8.0), + REAL_CONST(11368.847089886023 / 8.0), + REAL_CONST(11382.617078055218 / 8.0), + REAL_CONST(11396.391232005579 / 8.0), + REAL_CONST(11410.169549218874 / 8.0), + REAL_CONST(11423.952027180676 / 8.0), + REAL_CONST(11437.738663380349 / 8.0), + REAL_CONST(11451.529455311042 / 8.0), + REAL_CONST(11465.324400469679 / 8.0), + REAL_CONST(11479.123496356951 / 8.0), + REAL_CONST(11492.926740477304 / 8.0), + REAL_CONST(11506.734130338931 / 8.0), + REAL_CONST(11520.545663453764 / 8.0), + REAL_CONST(11534.361337337466 / 8.0), + REAL_CONST(11548.181149509423 / 8.0), + REAL_CONST(11562.005097492724 / 8.0), + REAL_CONST(11575.83317881417 / 8.0), + REAL_CONST(11589.665391004253 / 8.0), + REAL_CONST(11603.501731597149 / 8.0), + REAL_CONST(11617.342198130715 / 8.0), + REAL_CONST(11631.186788146468 / 8.0), + REAL_CONST(11645.035499189589 / 8.0), + REAL_CONST(11658.888328808911 / 8.0), + REAL_CONST(11672.745274556904 / 8.0), + REAL_CONST(11686.606333989675 / 8.0), + REAL_CONST(11700.471504666955 / 8.0), + REAL_CONST(11714.340784152086 / 8.0), + REAL_CONST(11728.214170012021 / 8.0), + REAL_CONST(11742.091659817312 / 8.0), + REAL_CONST(11755.973251142101 / 8.0), + REAL_CONST(11769.858941564111 / 8.0), + REAL_CONST(11783.748728664636 / 8.0), + REAL_CONST(11797.642610028539 / 8.0), + REAL_CONST(11811.540583244237 / 8.0), + REAL_CONST(11825.442645903697 / 8.0), + REAL_CONST(11839.34879560242 / 8.0), + REAL_CONST(11853.259029939445 / 8.0), + REAL_CONST(11867.173346517333 / 8.0), + REAL_CONST(11881.091742942155 / 8.0), + REAL_CONST(11895.014216823492 / 8.0), + REAL_CONST(11908.940765774427 / 8.0), + REAL_CONST(11922.871387411526 / 8.0), + REAL_CONST(11936.806079354839 / 8.0), + REAL_CONST(11950.744839227897 / 8.0), + REAL_CONST(11964.687664657684 / 8.0), + REAL_CONST(11978.634553274653 / 8.0), + REAL_CONST(11992.585502712702 / 8.0), + REAL_CONST(12006.540510609168 / 8.0), + REAL_CONST(12020.499574604828 / 8.0), + REAL_CONST(12034.462692343877 / 8.0), + REAL_CONST(12048.429861473938 / 8.0), + REAL_CONST(12062.401079646032 / 8.0), + REAL_CONST(12076.376344514589 / 8.0), + REAL_CONST(12090.355653737433 / 8.0), + REAL_CONST(12104.339004975769 / 8.0), + REAL_CONST(12118.326395894188 / 8.0), + REAL_CONST(12132.317824160644 / 8.0), + REAL_CONST(12146.313287446457 / 8.0), + REAL_CONST(12160.312783426305 / 8.0), + REAL_CONST(12174.316309778205 / 8.0), + REAL_CONST(12188.323864183525 / 8.0), + REAL_CONST(12202.335444326955 / 8.0), + REAL_CONST(12216.351047896511 / 8.0), + REAL_CONST(12230.370672583531 / 8.0), + REAL_CONST(12244.394316082657 / 8.0), + REAL_CONST(12258.421976091831 / 8.0), + REAL_CONST(12272.453650312296 / 8.0), + REAL_CONST(12286.489336448574 / 8.0), + REAL_CONST(12300.529032208471 / 8.0), + REAL_CONST(12314.572735303058 / 8.0), + REAL_CONST(12328.620443446678 / 8.0), + REAL_CONST(12342.672154356922 / 8.0), + REAL_CONST(12356.727865754638 / 8.0), + REAL_CONST(12370.787575363909 / 8.0), + REAL_CONST(12384.851280912055 / 8.0), + REAL_CONST(12398.918980129623 / 8.0), + REAL_CONST(12412.990670750381 / 8.0), + REAL_CONST(12427.066350511306 / 8.0), + REAL_CONST(12441.146017152583 / 8.0), + REAL_CONST(12455.229668417589 / 8.0), + REAL_CONST(12469.317302052901 / 8.0), + REAL_CONST(12483.40891580827 / 8.0), + REAL_CONST(12497.50450743663 / 8.0), + REAL_CONST(12511.604074694078 / 8.0), + REAL_CONST(12525.707615339878 / 8.0), + REAL_CONST(12539.815127136444 / 8.0), + REAL_CONST(12553.926607849342 / 8.0), + REAL_CONST(12568.042055247275 / 8.0), + REAL_CONST(12582.161467102082 / 8.0), + REAL_CONST(12596.284841188726 / 8.0), + REAL_CONST(12610.41217528529 / 8.0), + REAL_CONST(12624.543467172971 / 8.0), + REAL_CONST(12638.678714636069 / 8.0), + REAL_CONST(12652.817915461985 / 8.0), + REAL_CONST(12666.961067441209 / 8.0), + REAL_CONST(12681.108168367316 / 8.0), + REAL_CONST(12695.259216036962 / 8.0), + REAL_CONST(12709.414208249869 / 8.0), + REAL_CONST(12723.573142808827 / 8.0), + REAL_CONST(12737.736017519681 / 8.0), + REAL_CONST(12751.902830191326 / 8.0), + REAL_CONST(12766.073578635704 / 8.0), + REAL_CONST(12780.248260667788 / 8.0), + REAL_CONST(12794.426874105588 / 8.0), + REAL_CONST(12808.609416770132 / 8.0), + REAL_CONST(12822.795886485468 / 8.0), + REAL_CONST(12836.986281078653 / 8.0), + REAL_CONST(12851.180598379744 / 8.0), + REAL_CONST(12865.378836221802 / 8.0), + REAL_CONST(12879.580992440871 / 8.0), + REAL_CONST(12893.787064875984 / 8.0), + REAL_CONST(12907.997051369144 / 8.0), + REAL_CONST(12922.210949765335 / 8.0), + REAL_CONST(12936.428757912496 / 8.0), + REAL_CONST(12950.650473661524 / 8.0), + REAL_CONST(12964.876094866273 / 8.0), + REAL_CONST(12979.105619383534 / 8.0), + REAL_CONST(12993.339045073039 / 8.0), + REAL_CONST(13007.576369797454 / 8.0), + REAL_CONST(13021.817591422368 / 8.0), + REAL_CONST(13036.062707816285 / 8.0), + REAL_CONST(13050.311716850629 / 8.0), + REAL_CONST(13064.564616399723 / 8.0), + REAL_CONST(13078.821404340792 / 8.0), + REAL_CONST(13093.082078553954 / 8.0), + REAL_CONST(13107.346636922217 / 8.0), + REAL_CONST(13121.615077331464 / 8.0), + REAL_CONST(13135.887397670458 / 8.0), + REAL_CONST(13150.163595830827 / 8.0), + REAL_CONST(13164.44366970706 / 8.0), + REAL_CONST(13178.727617196502 / 8.0), + REAL_CONST(13193.015436199352 / 8.0), + REAL_CONST(13207.307124618648 / 8.0), + REAL_CONST(13221.602680360265 / 8.0), + REAL_CONST(13235.902101332911 / 8.0), + REAL_CONST(13250.205385448118 / 8.0), + REAL_CONST(13264.512530620239 / 8.0), + REAL_CONST(13278.823534766434 / 8.0), + REAL_CONST(13293.138395806676 / 8.0), + REAL_CONST(13307.457111663734 / 8.0), + REAL_CONST(13321.779680263176 / 8.0), + REAL_CONST(13336.106099533356 / 8.0), + REAL_CONST(13350.436367405409 / 8.0), + REAL_CONST(13364.77048181325 / 8.0), + REAL_CONST(13379.108440693562 / 8.0), + REAL_CONST(13393.450241985796 / 8.0), + REAL_CONST(13407.795883632158 / 8.0), + REAL_CONST(13422.145363577607 / 8.0), + REAL_CONST(13436.498679769853 / 8.0), + REAL_CONST(13450.855830159346 / 8.0), + REAL_CONST(13465.216812699266 / 8.0), + REAL_CONST(13479.581625345529 / 8.0), + REAL_CONST(13493.950266056772 / 8.0), + REAL_CONST(13508.32273279435 / 8.0), + REAL_CONST(13522.699023522329 / 8.0), + REAL_CONST(13537.079136207483 / 8.0), + REAL_CONST(13551.463068819286 / 8.0), + REAL_CONST(13565.850819329906 / 8.0), + REAL_CONST(13580.2423857142 / 8.0), + REAL_CONST(13594.63776594971 / 8.0), + REAL_CONST(13609.036958016657 / 8.0), + REAL_CONST(13623.439959897927 / 8.0), + REAL_CONST(13637.846769579081 / 8.0), + REAL_CONST(13652.257385048335 / 8.0), + REAL_CONST(13666.67180429656 / 8.0), + REAL_CONST(13681.090025317284 / 8.0), + REAL_CONST(13695.512046106669 / 8.0), + REAL_CONST(13709.937864663521 / 8.0), + REAL_CONST(13724.367478989278 / 8.0), + REAL_CONST(13738.800887088004 / 8.0), + REAL_CONST(13753.238086966385 / 8.0), + REAL_CONST(13767.679076633727 / 8.0), + REAL_CONST(13782.123854101939 / 8.0), + REAL_CONST(13796.572417385545 / 8.0), + REAL_CONST(13811.024764501659 / 8.0), + REAL_CONST(13825.480893469998 / 8.0), + REAL_CONST(13839.94080231286 / 8.0), + REAL_CONST(13854.404489055134 / 8.0), + REAL_CONST(13868.871951724283 / 8.0), + REAL_CONST(13883.34318835034 / 8.0), + REAL_CONST(13897.818196965914 / 8.0), + REAL_CONST(13912.296975606168 / 8.0), + REAL_CONST(13926.779522308825 / 8.0), + REAL_CONST(13941.26583511416 / 8.0), + REAL_CONST(13955.755912064991 / 8.0), + REAL_CONST(13970.249751206682 / 8.0), + REAL_CONST(13984.747350587126 / 8.0), + REAL_CONST(13999.248708256751 / 8.0), + REAL_CONST(14013.753822268511 / 8.0), + REAL_CONST(14028.262690677873 / 8.0), + REAL_CONST(14042.775311542828 / 8.0), + REAL_CONST(14057.291682923867 / 8.0), + REAL_CONST(14071.811802883994 / 8.0), + REAL_CONST(14086.335669488704 / 8.0), + REAL_CONST(14100.863280805994 / 8.0), + REAL_CONST(14115.394634906341 / 8.0), + REAL_CONST(14129.92972986271 / 8.0), + REAL_CONST(14144.468563750548 / 8.0), + REAL_CONST(14159.01113464777 / 8.0), + REAL_CONST(14173.55744063476 / 8.0), + REAL_CONST(14188.107479794369 / 8.0), + REAL_CONST(14202.661250211901 / 8.0), + REAL_CONST(14217.218749975118 / 8.0), + REAL_CONST(14231.779977174227 / 8.0), + REAL_CONST(14246.344929901879 / 8.0), + REAL_CONST(14260.913606253163 / 8.0), + REAL_CONST(14275.486004325601 / 8.0), + REAL_CONST(14290.062122219146 / 8.0), + REAL_CONST(14304.641958036171 / 8.0), + REAL_CONST(14319.225509881464 / 8.0), + REAL_CONST(14333.812775862236 / 8.0), + REAL_CONST(14348.403754088098 / 8.0), + REAL_CONST(14362.998442671067 / 8.0), + REAL_CONST(14377.59683972556 / 8.0), + REAL_CONST(14392.198943368388 / 8.0), + REAL_CONST(14406.804751718748 / 8.0), + REAL_CONST(14421.414262898223 / 8.0), + REAL_CONST(14436.027475030774 / 8.0), + REAL_CONST(14450.64438624274 / 8.0), + REAL_CONST(14465.264994662828 / 8.0), + REAL_CONST(14479.889298422106 / 8.0), + REAL_CONST(14494.517295654005 / 8.0), + REAL_CONST(14509.148984494313 / 8.0), + REAL_CONST(14523.784363081166 / 8.0), + REAL_CONST(14538.423429555049 / 8.0), + REAL_CONST(14553.066182058781 / 8.0), + REAL_CONST(14567.712618737527 / 8.0), + REAL_CONST(14582.362737738777 / 8.0), + REAL_CONST(14597.016537212348 / 8.0), + REAL_CONST(14611.674015310382 / 8.0), + REAL_CONST(14626.33517018734 / 8.0), + REAL_CONST(14640.999999999993 / 8.0), + REAL_CONST(14655.668502907418 / 8.0), + REAL_CONST(14670.340677071003 / 8.0), + REAL_CONST(14685.016520654426 / 8.0), + REAL_CONST(14699.696031823671 / 8.0), + REAL_CONST(14714.379208746999 / 8.0), + REAL_CONST(14729.066049594967 / 8.0), + REAL_CONST(14743.756552540408 / 8.0), + REAL_CONST(14758.45071575843 / 8.0), + REAL_CONST(14773.148537426418 / 8.0), + REAL_CONST(14787.850015724018 / 8.0), + REAL_CONST(14802.555148833142 / 8.0), + REAL_CONST(14817.263934937961 / 8.0), + REAL_CONST(14831.976372224897 / 8.0), + REAL_CONST(14846.692458882624 / 8.0), + REAL_CONST(14861.41219310206 / 8.0), + REAL_CONST(14876.135573076363 / 8.0), + REAL_CONST(14890.862597000923 / 8.0), + REAL_CONST(14905.593263073371 / 8.0), + REAL_CONST(14920.327569493558 / 8.0), + REAL_CONST(14935.065514463557 / 8.0), + REAL_CONST(14949.807096187662 / 8.0), + REAL_CONST(14964.552312872382 / 8.0), + REAL_CONST(14979.301162726431 / 8.0), + REAL_CONST(14994.053643960735 / 8.0), + REAL_CONST(15008.809754788414 / 8.0), + REAL_CONST(15023.569493424788 / 8.0), + REAL_CONST(15038.332858087369 / 8.0), + REAL_CONST(15053.099846995858 / 8.0), + REAL_CONST(15067.870458372134 / 8.0), + REAL_CONST(15082.644690440264 / 8.0), + REAL_CONST(15097.422541426484 / 8.0), + REAL_CONST(15112.204009559202 / 8.0), + REAL_CONST(15126.989093068994 / 8.0), + REAL_CONST(15141.777790188597 / 8.0), + REAL_CONST(15156.570099152905 / 8.0), + REAL_CONST(15171.366018198967 / 8.0), + REAL_CONST(15186.165545565986 / 8.0), + REAL_CONST(15200.968679495301 / 8.0), + REAL_CONST(15215.775418230402 / 8.0), + REAL_CONST(15230.585760016909 / 8.0), + REAL_CONST(15245.399703102579 / 8.0), + REAL_CONST(15260.217245737298 / 8.0), + REAL_CONST(15275.038386173073 / 8.0), + REAL_CONST(15289.863122664035 / 8.0), + REAL_CONST(15304.691453466432 / 8.0), + REAL_CONST(15319.523376838621 / 8.0), + REAL_CONST(15334.358891041069 / 8.0), + REAL_CONST(15349.197994336346 / 8.0), + REAL_CONST(15364.040684989128 / 8.0), + REAL_CONST(15378.886961266177 / 8.0), + REAL_CONST(15393.736821436356 / 8.0), + REAL_CONST(15408.590263770609 / 8.0), + REAL_CONST(15423.447286541972 / 8.0), + REAL_CONST(15438.307888025554 / 8.0), + REAL_CONST(15453.172066498542 / 8.0), + REAL_CONST(15468.039820240196 / 8.0), + REAL_CONST(15482.91114753184 / 8.0), + REAL_CONST(15497.786046656869 / 8.0), + REAL_CONST(15512.664515900733 / 8.0), + REAL_CONST(15527.546553550939 / 8.0), + REAL_CONST(15542.432157897045 / 8.0), + REAL_CONST(15557.32132723066 / 8.0), + REAL_CONST(15572.214059845435 / 8.0), + REAL_CONST(15587.110354037064 / 8.0), + REAL_CONST(15602.010208103273 / 8.0), + REAL_CONST(15616.913620343823 / 8.0), + REAL_CONST(15631.820589060506 / 8.0), + REAL_CONST(15646.731112557136 / 8.0), + REAL_CONST(15661.645189139546 / 8.0), + REAL_CONST(15676.562817115593 / 8.0), + REAL_CONST(15691.483994795139 / 8.0), + REAL_CONST(15706.408720490062 / 8.0), + REAL_CONST(15721.336992514242 / 8.0), + REAL_CONST(15736.268809183561 / 8.0), + REAL_CONST(15751.204168815901 / 8.0), + REAL_CONST(15766.143069731135 / 8.0), + REAL_CONST(15781.085510251132 / 8.0), + REAL_CONST(15796.03148869974 / 8.0), + REAL_CONST(15810.981003402798 / 8.0), + REAL_CONST(15825.934052688119 / 8.0), + REAL_CONST(15840.890634885489 / 8.0), + REAL_CONST(15855.850748326673 / 8.0), + REAL_CONST(15870.814391345401 / 8.0), + REAL_CONST(15885.781562277361 / 8.0), + REAL_CONST(15900.752259460214 / 8.0), + REAL_CONST(15915.726481233565 / 8.0), + REAL_CONST(15930.704225938984 / 8.0), + REAL_CONST(15945.685491919978 / 8.0), + REAL_CONST(15960.670277522009 / 8.0), + REAL_CONST(15975.658581092481 / 8.0), + REAL_CONST(15990.65040098073 / 8.0), + REAL_CONST(16005.645735538035 / 8.0), + REAL_CONST(16020.644583117599 / 8.0), + REAL_CONST(16035.646942074556 / 8.0), + REAL_CONST(16050.652810765967 / 8.0), + REAL_CONST(16065.662187550806 / 8.0), + REAL_CONST(16080.675070789974 / 8.0), + REAL_CONST(16095.691458846273 / 8.0), + REAL_CONST(16110.711350084424 / 8.0), + REAL_CONST(16125.734742871053 / 8.0), + REAL_CONST(16140.761635574685 / 8.0), + REAL_CONST(16155.792026565747 / 8.0), + REAL_CONST(16170.825914216561 / 8.0), + REAL_CONST(16185.863296901338 / 8.0), + REAL_CONST(16200.904172996183 / 8.0), + REAL_CONST(16215.948540879079 / 8.0), + REAL_CONST(16230.996398929899 / 8.0), + REAL_CONST(16246.047745530386 / 8.0), + REAL_CONST(16261.102579064163 / 8.0), + REAL_CONST(16276.160897916721 / 8.0), + REAL_CONST(16291.22270047542 / 8.0), + REAL_CONST(16306.287985129484 / 8.0), + REAL_CONST(16321.356750269995 / 8.0), + REAL_CONST(16336.428994289896 / 8.0), + REAL_CONST(16351.504715583982 / 8.0), + REAL_CONST(16366.5839125489 / 8.0), + REAL_CONST(16381.666583583141 / 8.0), + REAL_CONST(16396.752727087041 / 8.0), + REAL_CONST(16411.842341462776 / 8.0), + REAL_CONST(16426.935425114363 / 8.0), + REAL_CONST(16442.031976447644 / 8.0), + REAL_CONST(16457.131993870298 / 8.0), + REAL_CONST(16472.235475791829 / 8.0), + REAL_CONST(16487.342420623561 / 8.0), + REAL_CONST(16502.452826778641 / 8.0), + REAL_CONST(16517.566692672033 / 8.0), + REAL_CONST(16532.684016720516 / 8.0), + REAL_CONST(16547.804797342676 / 8.0), + REAL_CONST(16562.929032958902 / 8.0), + REAL_CONST(16578.056721991394 / 8.0), + REAL_CONST(16593.18786286415 / 8.0), + REAL_CONST(16608.322454002962 / 8.0), + REAL_CONST(16623.460493835417 / 8.0), + REAL_CONST(16638.601980790896 / 8.0), + REAL_CONST(16653.746913300558 / 8.0), + REAL_CONST(16668.895289797354 / 8.0), + REAL_CONST(16684.047108716015 / 8.0), + REAL_CONST(16699.202368493046 / 8.0), + REAL_CONST(16714.361067566726 / 8.0), + REAL_CONST(16729.523204377107 / 8.0), + REAL_CONST(16744.688777366009 / 8.0), + REAL_CONST(16759.857784977012 / 8.0), + REAL_CONST(16775.030225655464 / 8.0), + REAL_CONST(16790.206097848466 / 8.0), + REAL_CONST(16805.385400004874 / 8.0), + REAL_CONST(16820.568130575302 / 8.0), + REAL_CONST(16835.754288012104 / 8.0), + REAL_CONST(16850.943870769381 / 8.0), + REAL_CONST(16866.136877302983 / 8.0), + REAL_CONST(16881.333306070494 / 8.0), + REAL_CONST(16896.53315553123 / 8.0), + REAL_CONST(16911.736424146249 / 8.0), + REAL_CONST(16926.943110378332 / 8.0), + REAL_CONST(16942.153212691992 / 8.0), + REAL_CONST(16957.366729553454 / 8.0), + REAL_CONST(16972.583659430682 / 8.0), + REAL_CONST(16987.804000793338 / 8.0), + REAL_CONST(17003.027752112816 / 8.0), + REAL_CONST(17018.254911862205 / 8.0), + REAL_CONST(17033.485478516312 / 8.0), + REAL_CONST(17048.719450551645 / 8.0), + REAL_CONST(17063.956826446421 / 8.0), + REAL_CONST(17079.197604680547 / 8.0), + REAL_CONST(17094.44178373563 / 8.0), + REAL_CONST(17109.689362094967 / 8.0), + REAL_CONST(17124.940338243552 / 8.0), + REAL_CONST(17140.194710668064 / 8.0), + REAL_CONST(17155.452477856852 / 8.0), + REAL_CONST(17170.713638299967 / 8.0), + REAL_CONST(17185.978190489128 / 8.0), + REAL_CONST(17201.246132917724 / 8.0), + REAL_CONST(17216.517464080825 / 8.0), + REAL_CONST(17231.792182475165 / 8.0), + REAL_CONST(17247.070286599141 / 8.0), + REAL_CONST(17262.351774952826 / 8.0), + REAL_CONST(17277.636646037936 / 8.0), + REAL_CONST(17292.924898357855 / 8.0), + REAL_CONST(17308.216530417623 / 8.0), + REAL_CONST(17323.511540723921 / 8.0), + REAL_CONST(17338.809927785089 / 8.0), + REAL_CONST(17354.111690111105 / 8.0), + REAL_CONST(17369.416826213594 / 8.0), + REAL_CONST(17384.725334605821 / 8.0), + REAL_CONST(17400.037213802683 / 8.0), + REAL_CONST(17415.352462320716 / 8.0), + REAL_CONST(17430.67107867809 / 8.0), + REAL_CONST(17445.993061394587 / 8.0), + REAL_CONST(17461.318408991636 / 8.0), + REAL_CONST(17476.647119992274 / 8.0), + REAL_CONST(17491.979192921168 / 8.0), + REAL_CONST(17507.314626304586 / 8.0), + REAL_CONST(17522.653418670423 / 8.0), + REAL_CONST(17537.995568548187 / 8.0), + REAL_CONST(17553.341074468986 / 8.0), + REAL_CONST(17568.689934965536 / 8.0), + REAL_CONST(17584.042148572156 / 8.0), + REAL_CONST(17599.397713824768 / 8.0), + REAL_CONST(17614.75662926089 / 8.0), + REAL_CONST(17630.118893419625 / 8.0), + REAL_CONST(17645.484504841683 / 8.0), + REAL_CONST(17660.853462069354 / 8.0), + REAL_CONST(17676.225763646511 / 8.0), + REAL_CONST(17691.601408118619 / 8.0), + REAL_CONST(17706.980394032718 / 8.0), + REAL_CONST(17722.362719937424 / 8.0), + REAL_CONST(17737.748384382936 / 8.0), + REAL_CONST(17753.137385921014 / 8.0), + REAL_CONST(17768.529723104999 / 8.0), + REAL_CONST(17783.92539448979 / 8.0), + REAL_CONST(17799.324398631856 / 8.0), + REAL_CONST(17814.726734089225 / 8.0), + REAL_CONST(17830.13239942148 / 8.0), + REAL_CONST(17845.541393189767 / 8.0), + REAL_CONST(17860.95371395678 / 8.0), + REAL_CONST(17876.369360286772 / 8.0), + REAL_CONST(17891.788330745527 / 8.0), + REAL_CONST(17907.210623900395 / 8.0), + REAL_CONST(17922.636238320254 / 8.0), + REAL_CONST(17938.065172575527 / 8.0), + REAL_CONST(17953.497425238176 / 8.0), + REAL_CONST(17968.932994881692 / 8.0), + REAL_CONST(17984.371880081104 / 8.0), + REAL_CONST(17999.814079412972 / 8.0), + REAL_CONST(18015.259591455371 / 8.0), + REAL_CONST(18030.708414787914 / 8.0), + REAL_CONST(18046.160547991731 / 8.0), + REAL_CONST(18061.615989649465 / 8.0), + REAL_CONST(18077.074738345284 / 8.0), + REAL_CONST(18092.536792664861 / 8.0), + REAL_CONST(18108.002151195393 / 8.0), + REAL_CONST(18123.470812525571 / 8.0), + REAL_CONST(18138.942775245599 / 8.0), + REAL_CONST(18154.418037947191 / 8.0), + REAL_CONST(18169.896599223546 / 8.0), + REAL_CONST(18185.37845766938 / 8.0), + REAL_CONST(18200.863611880886 / 8.0), + REAL_CONST(18216.352060455767 / 8.0), + REAL_CONST(18231.843801993204 / 8.0), + REAL_CONST(18247.338835093873 / 8.0), + REAL_CONST(18262.837158359936 / 8.0), + REAL_CONST(18278.338770395032 / 8.0), + REAL_CONST(18293.84366980429 / 8.0), + REAL_CONST(18309.351855194309 / 8.0), + REAL_CONST(18324.863325173166 / 8.0), + REAL_CONST(18340.378078350412 / 8.0), + REAL_CONST(18355.896113337069 / 8.0), + REAL_CONST(18371.417428745623 / 8.0), + REAL_CONST(18386.942023190033 / 8.0), + REAL_CONST(18402.469895285718 / 8.0), + REAL_CONST(18418.00104364955 / 8.0), + REAL_CONST(18433.53546689987 / 8.0), + REAL_CONST(18449.073163656474 / 8.0), + REAL_CONST(18464.614132540602 / 8.0), + REAL_CONST(18480.158372174956 / 8.0), + REAL_CONST(18495.705881183676 / 8.0), + REAL_CONST(18511.256658192357 / 8.0), + REAL_CONST(18526.810701828035 / 8.0), + REAL_CONST(18542.368010719183 / 8.0), + REAL_CONST(18557.928583495715 / 8.0), + REAL_CONST(18573.492418788985 / 8.0), + REAL_CONST(18589.059515231773 / 8.0), + REAL_CONST(18604.629871458303 / 8.0), + REAL_CONST(18620.203486104212 / 8.0), + REAL_CONST(18635.78035780658 / 8.0), + REAL_CONST(18651.360485203899 / 8.0), + REAL_CONST(18666.943866936086 / 8.0), + REAL_CONST(18682.53050164448 / 8.0), + REAL_CONST(18698.120387971841 / 8.0), + REAL_CONST(18713.713524562332 / 8.0), + REAL_CONST(18729.30991006154 / 8.0), + REAL_CONST(18744.909543116457 / 8.0), + REAL_CONST(18760.512422375479 / 8.0), + REAL_CONST(18776.118546488418 / 8.0), + REAL_CONST(18791.727914106479 / 8.0), + REAL_CONST(18807.340523882274 / 8.0), + REAL_CONST(18822.95637446981 / 8.0), + REAL_CONST(18838.575464524489 / 8.0), + REAL_CONST(18854.197792703111 / 8.0), + REAL_CONST(18869.823357663863 / 8.0), + REAL_CONST(18885.452158066328 / 8.0), + REAL_CONST(18901.08419257147 / 8.0), + REAL_CONST(18916.719459841639 / 8.0), + REAL_CONST(18932.357958540564 / 8.0), + REAL_CONST(18947.999687333362 / 8.0), + REAL_CONST(18963.644644886521 / 8.0), + REAL_CONST(18979.292829867907 / 8.0), + REAL_CONST(18994.944240946759 / 8.0), + REAL_CONST(19010.598876793687 / 8.0), + REAL_CONST(19026.256736080668 / 8.0), + REAL_CONST(19041.917817481048 / 8.0), + REAL_CONST(19057.582119669532 / 8.0), + REAL_CONST(19073.2496413222 / 8.0), + REAL_CONST(19088.920381116473 / 8.0), + REAL_CONST(19104.594337731145 / 8.0), + REAL_CONST(19120.271509846356 / 8.0), + REAL_CONST(19135.951896143604 / 8.0), + REAL_CONST(19151.635495305738 / 8.0), + REAL_CONST(19167.322306016948 / 8.0), + REAL_CONST(19183.012326962784 / 8.0), + REAL_CONST(19198.705556830122 / 8.0), + REAL_CONST(19214.401994307198 / 8.0), + REAL_CONST(19230.101638083579 / 8.0), + REAL_CONST(19245.804486850167 / 8.0), + REAL_CONST(19261.510539299208 / 8.0), + REAL_CONST(19277.219794124274 / 8.0), + REAL_CONST(19292.932250020265 / 8.0), + REAL_CONST(19308.647905683421 / 8.0), + REAL_CONST(19324.366759811302 / 8.0), + REAL_CONST(19340.088811102793 / 8.0), + REAL_CONST(19355.8140582581 / 8.0), + REAL_CONST(19371.542499978754 / 8.0), + REAL_CONST(19387.2741349676 / 8.0), + REAL_CONST(19403.008961928797 / 8.0), + REAL_CONST(19418.746979567823 / 8.0), + REAL_CONST(19434.488186591469 / 8.0), + REAL_CONST(19450.232581707827 / 8.0), + REAL_CONST(19465.980163626304 / 8.0), + REAL_CONST(19481.730931057613 / 8.0), + REAL_CONST(19497.484882713761 / 8.0), + REAL_CONST(19513.242017308068 / 8.0), + REAL_CONST(19529.002333555141 / 8.0), + REAL_CONST(19544.765830170898 / 8.0), + REAL_CONST(19560.532505872539 / 8.0), + REAL_CONST(19576.302359378566 / 8.0), + REAL_CONST(19592.075389408761 / 8.0), + REAL_CONST(19607.851594684209 / 8.0), + REAL_CONST(19623.630973927269 / 8.0), + REAL_CONST(19639.41352586159 / 8.0), + REAL_CONST(19655.199249212103 / 8.0), + REAL_CONST(19670.988142705017 / 8.0), + REAL_CONST(19686.780205067826 / 8.0), + REAL_CONST(19702.575435029288 / 8.0), + REAL_CONST(19718.373831319448 / 8.0), + REAL_CONST(19734.175392669615 / 8.0), + REAL_CONST(19749.980117812371 / 8.0), + REAL_CONST(19765.788005481569 / 8.0), + REAL_CONST(19781.599054412323 / 8.0), + REAL_CONST(19797.413263341008 / 8.0), + REAL_CONST(19813.230631005274 / 8.0), + REAL_CONST(19829.051156144014 / 8.0), + REAL_CONST(19844.874837497395 / 8.0), + REAL_CONST(19860.701673806827 / 8.0), + REAL_CONST(19876.531663814985 / 8.0), + REAL_CONST(19892.364806265789 / 8.0), + REAL_CONST(19908.201099904403 / 8.0), + REAL_CONST(19924.040543477258 / 8.0), + REAL_CONST(19939.883135732012 / 8.0), + REAL_CONST(19955.728875417579 / 8.0), + REAL_CONST(19971.577761284105 / 8.0), + REAL_CONST(19987.429792082985 / 8.0), + REAL_CONST(20003.284966566847 / 8.0), + REAL_CONST(20019.14328348956 / 8.0), + REAL_CONST(20035.004741606219 / 8.0), + REAL_CONST(20050.869339673161 / 8.0), + REAL_CONST(20066.737076447946 / 8.0), + REAL_CONST(20082.607950689362 / 8.0), + REAL_CONST(20098.481961157428 / 8.0), + REAL_CONST(20114.359106613385 / 8.0), + REAL_CONST(20130.239385819699 / 8.0), + REAL_CONST(20146.122797540058 / 8.0), + REAL_CONST(20162.009340539353 / 8.0), + REAL_CONST(20177.899013583716 / 8.0), + REAL_CONST(20193.791815440476 / 8.0), + REAL_CONST(20209.687744878182 / 8.0), + REAL_CONST(20225.586800666591 / 8.0), + REAL_CONST(20241.488981576669 / 8.0), + REAL_CONST(20257.394286380597 / 8.0), + REAL_CONST(20273.302713851754 / 8.0), + REAL_CONST(20289.214262764715 / 8.0), + REAL_CONST(20305.128931895277 / 8.0), + REAL_CONST(20321.046720020415 / 8.0), + REAL_CONST(20336.967625918318 / 8.0), + REAL_CONST(20352.891648368361 / 8.0), + REAL_CONST(20368.818786151114 / 8.0), + REAL_CONST(20384.749038048347 / 8.0), + REAL_CONST(20400.682402843009 / 8.0), + REAL_CONST(20416.618879319249 / 8.0), + REAL_CONST(20432.558466262391 / 8.0), + REAL_CONST(20448.501162458953 / 8.0), + REAL_CONST(20464.446966696629 / 8.0), + REAL_CONST(20480.395877764302 / 8.0), + REAL_CONST(20496.347894452025 / 8.0), + REAL_CONST(20512.303015551031 / 8.0), + REAL_CONST(20528.261239853735 / 8.0), + REAL_CONST(20544.22256615372 / 8.0), + REAL_CONST(20560.186993245738 / 8.0), + REAL_CONST(20576.15451992572 / 8.0), + REAL_CONST(20592.125144990758 / 8.0), + REAL_CONST(20608.098867239107 / 8.0), + REAL_CONST(20624.075685470198 / 8.0), + REAL_CONST(20640.055598484618 / 8.0), + REAL_CONST(20656.038605084115 / 8.0), + REAL_CONST(20672.024704071595 / 8.0), + REAL_CONST(20688.013894251126 / 8.0), + REAL_CONST(20704.006174427926 / 8.0), + REAL_CONST(20720.001543408373 / 8.0), + REAL_CONST(20735.999999999989 / 8.0), + REAL_CONST(20752.001543011454 / 8.0), + REAL_CONST(20768.006171252597 / 8.0), + REAL_CONST(20784.013883534382 / 8.0), + REAL_CONST(20800.024678668931 / 8.0), + REAL_CONST(20816.038555469506 / 8.0), + REAL_CONST(20832.055512750507 / 8.0), + REAL_CONST(20848.075549327474 / 8.0), + REAL_CONST(20864.098664017085 / 8.0), + REAL_CONST(20880.124855637161 / 8.0), + REAL_CONST(20896.154123006647 / 8.0), + REAL_CONST(20912.186464945626 / 8.0), + REAL_CONST(20928.221880275312 / 8.0), + REAL_CONST(20944.260367818049 / 8.0), + REAL_CONST(20960.301926397311 / 8.0), + REAL_CONST(20976.346554837684 / 8.0), + REAL_CONST(20992.394251964895 / 8.0), + REAL_CONST(21008.445016605787 / 8.0), + REAL_CONST(21024.498847588318 / 8.0), + REAL_CONST(21040.555743741574 / 8.0), + REAL_CONST(21056.615703895754 / 8.0), + REAL_CONST(21072.678726882168 / 8.0), + REAL_CONST(21088.744811533252 / 8.0), + REAL_CONST(21104.813956682538 / 8.0), + REAL_CONST(21120.886161164683 / 8.0), + REAL_CONST(21136.961423815443 / 8.0), + REAL_CONST(21153.039743471683 / 8.0), + REAL_CONST(21169.121118971379 / 8.0), + REAL_CONST(21185.205549153605 / 8.0), + REAL_CONST(21201.293032858535 / 8.0), + REAL_CONST(21217.383568927453 / 8.0), + REAL_CONST(21233.477156202731 / 8.0), + REAL_CONST(21249.573793527841 / 8.0), + REAL_CONST(21265.673479747358 / 8.0), + REAL_CONST(21281.776213706937 / 8.0), + REAL_CONST(21297.881994253334 / 8.0), + REAL_CONST(21313.990820234398 / 8.0), + REAL_CONST(21330.102690499054 / 8.0), + REAL_CONST(21346.21760389733 / 8.0), + REAL_CONST(21362.335559280327 / 8.0), + REAL_CONST(21378.456555500241 / 8.0), + REAL_CONST(21394.580591410333 / 8.0), + REAL_CONST(21410.707665864964 / 8.0), + REAL_CONST(21426.83777771956 / 8.0), + REAL_CONST(21442.970925830628 / 8.0), + REAL_CONST(21459.107109055756 / 8.0), + REAL_CONST(21475.246326253604 / 8.0), + REAL_CONST(21491.388576283895 / 8.0), + REAL_CONST(21507.533858007431 / 8.0), + REAL_CONST(21523.682170286087 / 8.0), + REAL_CONST(21539.833511982797 / 8.0), + REAL_CONST(21555.987881961566 / 8.0), + REAL_CONST(21572.145279087465 / 8.0), + REAL_CONST(21588.305702226615 / 8.0), + REAL_CONST(21604.469150246216 / 8.0), + REAL_CONST(21620.635622014521 / 8.0), + REAL_CONST(21636.805116400832 / 8.0), + REAL_CONST(21652.977632275521 / 8.0), + REAL_CONST(21669.153168510009 / 8.0), + REAL_CONST(21685.331723976764 / 8.0), + REAL_CONST(21701.513297549318 / 8.0), + REAL_CONST(21717.697888102244 / 8.0), + REAL_CONST(21733.885494511167 / 8.0), + REAL_CONST(21750.076115652759 / 8.0), + REAL_CONST(21766.269750404736 / 8.0), + REAL_CONST(21782.466397645861 / 8.0), + REAL_CONST(21798.666056255934 / 8.0), + REAL_CONST(21814.868725115801 / 8.0), + REAL_CONST(21831.074403107345 / 8.0), + REAL_CONST(21847.283089113484 / 8.0), + REAL_CONST(21863.494782018177 / 8.0), + REAL_CONST(21879.709480706417 / 8.0), + REAL_CONST(21895.927184064229 / 8.0), + REAL_CONST(21912.147890978667 / 8.0), + REAL_CONST(21928.371600337818 / 8.0), + REAL_CONST(21944.598311030797 / 8.0), + REAL_CONST(21960.828021947746 / 8.0), + REAL_CONST(21977.060731979829 / 8.0), + REAL_CONST(21993.296440019243 / 8.0), + REAL_CONST(22009.535144959198 / 8.0), + REAL_CONST(22025.77684569393 / 8.0), + REAL_CONST(22042.021541118691 / 8.0), + REAL_CONST(22058.269230129757 / 8.0), + REAL_CONST(22074.519911624411 / 8.0), + REAL_CONST(22090.773584500959 / 8.0), + REAL_CONST(22107.030247658717 / 8.0), + REAL_CONST(22123.289899998013 / 8.0), + REAL_CONST(22139.552540420187 / 8.0), + REAL_CONST(22155.818167827587 / 8.0), + REAL_CONST(22172.086781123569 / 8.0), + REAL_CONST(22188.358379212495 / 8.0), + REAL_CONST(22204.632960999726 / 8.0), + REAL_CONST(22220.910525391639 / 8.0), + REAL_CONST(22237.191071295601 / 8.0), + REAL_CONST(22253.474597619981 / 8.0), + REAL_CONST(22269.761103274148 / 8.0), + REAL_CONST(22286.050587168469 / 8.0), + REAL_CONST(22302.343048214312 / 8.0), + REAL_CONST(22318.638485324027 / 8.0), + REAL_CONST(22334.936897410968 / 8.0), + REAL_CONST(22351.23828338947 / 8.0), + REAL_CONST(22367.542642174871 / 8.0), + REAL_CONST(22383.849972683485 / 8.0), + REAL_CONST(22400.160273832618 / 8.0), + REAL_CONST(22416.473544540564 / 8.0), + REAL_CONST(22432.789783726603 / 8.0), + REAL_CONST(22449.108990310986 / 8.0), + REAL_CONST(22465.431163214958 / 8.0), + REAL_CONST(22481.75630136074 / 8.0), + REAL_CONST(22498.084403671528 / 8.0), + REAL_CONST(22514.415469071497 / 8.0), + REAL_CONST(22530.749496485802 / 8.0), + REAL_CONST(22547.086484840562 / 8.0), + REAL_CONST(22563.426433062879 / 8.0), + REAL_CONST(22579.769340080824 / 8.0), + REAL_CONST(22596.115204823436 / 8.0), + REAL_CONST(22612.464026220721 / 8.0), + REAL_CONST(22628.815803203655 / 8.0), + REAL_CONST(22645.170534704179 / 8.0), + REAL_CONST(22661.5282196552 / 8.0), + REAL_CONST(22677.888856990587 / 8.0), + REAL_CONST(22694.252445645168 / 8.0), + REAL_CONST(22710.618984554734 / 8.0), + REAL_CONST(22726.988472656034 / 8.0), + REAL_CONST(22743.360908886778 / 8.0), + REAL_CONST(22759.736292185622 / 8.0), + REAL_CONST(22776.114621492186 / 8.0), + REAL_CONST(22792.495895747044 / 8.0), + REAL_CONST(22808.880113891719 / 8.0), + REAL_CONST(22825.267274868678 / 8.0), + REAL_CONST(22841.657377621348 / 8.0), + REAL_CONST(22858.050421094096 / 8.0), + REAL_CONST(22874.446404232243 / 8.0), + REAL_CONST(22890.845325982053 / 8.0), + REAL_CONST(22907.247185290722 / 8.0), + REAL_CONST(22923.651981106406 / 8.0), + REAL_CONST(22940.059712378195 / 8.0), + REAL_CONST(22956.470378056114 / 8.0), + REAL_CONST(22972.883977091129 / 8.0), + REAL_CONST(22989.300508435153 / 8.0), + REAL_CONST(23005.719971041017 / 8.0), + REAL_CONST(23022.142363862498 / 8.0), + REAL_CONST(23038.567685854305 / 8.0), + REAL_CONST(23054.995935972078 / 8.0), + REAL_CONST(23071.427113172387 / 8.0), + REAL_CONST(23087.86121641273 / 8.0), + REAL_CONST(23104.298244651531 / 8.0), + REAL_CONST(23120.738196848146 / 8.0), + REAL_CONST(23137.181071962848 / 8.0), + REAL_CONST(23153.626868956846 / 8.0), + REAL_CONST(23170.075586792263 / 8.0), + REAL_CONST(23186.527224432142 / 8.0), + REAL_CONST(23202.981780840448 / 8.0), + REAL_CONST(23219.439254982066 / 8.0), + REAL_CONST(23235.899645822796 / 8.0), + REAL_CONST(23252.362952329357 / 8.0), + REAL_CONST(23268.829173469378 / 8.0), + REAL_CONST(23285.298308211408 / 8.0), + REAL_CONST(23301.770355524899 / 8.0), + REAL_CONST(23318.245314380223 / 8.0), + REAL_CONST(23334.723183748658 / 8.0), + REAL_CONST(23351.203962602387 / 8.0), + REAL_CONST(23367.687649914504 / 8.0), + REAL_CONST(23384.174244659007 / 8.0), + REAL_CONST(23400.663745810798 / 8.0), + REAL_CONST(23417.15615234568 / 8.0), + REAL_CONST(23433.651463240367 / 8.0), + REAL_CONST(23450.149677472462 / 8.0), + REAL_CONST(23466.650794020472 / 8.0), + REAL_CONST(23483.154811863806 / 8.0), + REAL_CONST(23499.661729982763 / 8.0), + REAL_CONST(23516.171547358543 / 8.0), + REAL_CONST(23532.684262973235 / 8.0), + REAL_CONST(23549.199875809823 / 8.0), + REAL_CONST(23565.718384852185 / 8.0), + REAL_CONST(23582.239789085092 / 8.0), + REAL_CONST(23598.764087494197 / 8.0), + REAL_CONST(23615.291279066041 / 8.0), + REAL_CONST(23631.821362788058 / 8.0), + REAL_CONST(23648.354337648565 / 8.0), + REAL_CONST(23664.890202636761 / 8.0), + REAL_CONST(23681.428956742733 / 8.0), + REAL_CONST(23697.970598957443 / 8.0), + REAL_CONST(23714.515128272738 / 8.0), + REAL_CONST(23731.062543681343 / 8.0), + REAL_CONST(23747.612844176863 / 8.0), + REAL_CONST(23764.166028753778 / 8.0), + REAL_CONST(23780.72209640744 / 8.0), + REAL_CONST(23797.281046134085 / 8.0), + REAL_CONST(23813.842876930816 / 8.0), + REAL_CONST(23830.407587795606 / 8.0), + REAL_CONST(23846.975177727301 / 8.0), + REAL_CONST(23863.545645725622 / 8.0), + REAL_CONST(23880.11899079115 / 8.0), + REAL_CONST(23896.695211925336 / 8.0), + REAL_CONST(23913.274308130498 / 8.0), + REAL_CONST(23929.856278409821 / 8.0), + REAL_CONST(23946.441121767348 / 8.0), + REAL_CONST(23963.028837207989 / 8.0), + REAL_CONST(23979.619423737513 / 8.0), + REAL_CONST(23996.212880362549 / 8.0), + REAL_CONST(24012.809206090584 / 8.0), + REAL_CONST(24029.408399929966 / 8.0), + REAL_CONST(24046.010460889898 / 8.0), + REAL_CONST(24062.615387980433 / 8.0), + REAL_CONST(24079.223180212492 / 8.0), + REAL_CONST(24095.833836597827 / 8.0), + REAL_CONST(24112.447356149063 / 8.0), + REAL_CONST(24129.063737879667 / 8.0), + REAL_CONST(24145.682980803951 / 8.0), + REAL_CONST(24162.305083937081 / 8.0), + REAL_CONST(24178.930046295067 / 8.0), + REAL_CONST(24195.557866894767 / 8.0), + REAL_CONST(24212.188544753884 / 8.0), + REAL_CONST(24228.822078890964 / 8.0), + REAL_CONST(24245.458468325389 / 8.0), + REAL_CONST(24262.097712077397 / 8.0), + REAL_CONST(24278.739809168052 / 8.0), + REAL_CONST(24295.384758619261 / 8.0), + REAL_CONST(24312.032559453768 / 8.0), + REAL_CONST(24328.683210695162 / 8.0), + REAL_CONST(24345.336711367858 / 8.0), + REAL_CONST(24361.993060497109 / 8.0), + REAL_CONST(24378.652257108995 / 8.0), + REAL_CONST(24395.314300230442 / 8.0), + REAL_CONST(24411.979188889192 / 8.0), + REAL_CONST(24428.646922113825 / 8.0), + REAL_CONST(24445.317498933746 / 8.0), + REAL_CONST(24461.990918379193 / 8.0), + REAL_CONST(24478.667179481225 / 8.0), + REAL_CONST(24495.346281271726 / 8.0), + REAL_CONST(24512.028222783407 / 8.0), + REAL_CONST(24528.713003049801 / 8.0), + REAL_CONST(24545.400621105266 / 8.0), + REAL_CONST(24562.091075984976 / 8.0), + REAL_CONST(24578.784366724925 / 8.0), + REAL_CONST(24595.480492361927 / 8.0), + REAL_CONST(24612.179451933614 / 8.0), + REAL_CONST(24628.881244478438 / 8.0), + REAL_CONST(24645.585869035654 / 8.0), + REAL_CONST(24662.293324645343 / 8.0), + REAL_CONST(24679.003610348394 / 8.0), + REAL_CONST(24695.716725186514 / 8.0), + REAL_CONST(24712.432668202211 / 8.0), + REAL_CONST(24729.151438438807 / 8.0), + REAL_CONST(24745.873034940436 / 8.0), + REAL_CONST(24762.597456752032 / 8.0), + REAL_CONST(24779.324702919344 / 8.0), + REAL_CONST(24796.054772488926 / 8.0), + REAL_CONST(24812.787664508123 / 8.0), + REAL_CONST(24829.5233780251 / 8.0), + REAL_CONST(24846.261912088819 / 8.0), + REAL_CONST(24863.003265749034 / 8.0), + REAL_CONST(24879.747438056307 / 8.0), + REAL_CONST(24896.494428062004 / 8.0), + REAL_CONST(24913.244234818278 / 8.0), + REAL_CONST(24929.996857378079 / 8.0), + REAL_CONST(24946.752294795166 / 8.0), + REAL_CONST(24963.510546124078 / 8.0), + REAL_CONST(24980.271610420157 / 8.0), + REAL_CONST(24997.035486739525 / 8.0), + REAL_CONST(25013.802174139113 / 8.0), + REAL_CONST(25030.571671676629 / 8.0), + REAL_CONST(25047.343978410572 / 8.0), + REAL_CONST(25064.119093400237 / 8.0), + REAL_CONST(25080.897015705697 / 8.0), + REAL_CONST(25097.677744387816 / 8.0), + REAL_CONST(25114.461278508239 / 8.0), + REAL_CONST(25131.2476171294 / 8.0), + REAL_CONST(25148.036759314517 / 8.0), + REAL_CONST(25164.828704127583 / 8.0), + REAL_CONST(25181.623450633375 / 8.0), + REAL_CONST(25198.42099789745 / 8.0), + REAL_CONST(25215.221344986145 / 8.0), + REAL_CONST(25232.024490966574 / 8.0), + REAL_CONST(25248.830434906627 / 8.0), + REAL_CONST(25265.639175874974 / 8.0), + REAL_CONST(25282.450712941049 / 8.0), + REAL_CONST(25299.265045175071 / 8.0), + REAL_CONST(25316.082171648024 / 8.0), + REAL_CONST(25332.902091431668 / 8.0), + REAL_CONST(25349.724803598532 / 8.0), + REAL_CONST(25366.550307221914 / 8.0), + REAL_CONST(25383.378601375884 / 8.0), + REAL_CONST(25400.209685135269 / 8.0), + REAL_CONST(25417.043557575678 / 8.0), + REAL_CONST(25433.880217773472 / 8.0), + REAL_CONST(25450.719664805783 / 8.0), + REAL_CONST(25467.561897750507 / 8.0), + REAL_CONST(25484.406915686297 / 8.0), + REAL_CONST(25501.254717692573 / 8.0), + REAL_CONST(25518.105302849512 / 8.0), + REAL_CONST(25534.958670238051 / 8.0), + REAL_CONST(25551.814818939893 / 8.0), + REAL_CONST(25568.67374803748 / 8.0), + REAL_CONST(25585.535456614027 / 8.0), + REAL_CONST(25602.399943753502 / 8.0), + REAL_CONST(25619.267208540619 / 8.0), + REAL_CONST(25636.137250060852 / 8.0), + REAL_CONST(25653.010067400432 / 8.0), + REAL_CONST(25669.885659646327 / 8.0), + REAL_CONST(25686.76402588627 / 8.0), + REAL_CONST(25703.645165208734 / 8.0), + REAL_CONST(25720.529076702944 / 8.0), + REAL_CONST(25737.415759458876 / 8.0), + REAL_CONST(25754.305212567244 / 8.0), + REAL_CONST(25771.197435119517 / 8.0), + REAL_CONST(25788.092426207899 / 8.0), + REAL_CONST(25804.990184925344 / 8.0), + REAL_CONST(25821.890710365547 / 8.0), + REAL_CONST(25838.794001622944 / 8.0), + REAL_CONST(25855.700057792714 / 8.0), + REAL_CONST(25872.608877970775 / 8.0), + REAL_CONST(25889.520461253778 / 8.0), + REAL_CONST(25906.434806739118 / 8.0), + REAL_CONST(25923.351913524923 / 8.0), + REAL_CONST(25940.271780710063 / 8.0), + REAL_CONST(25957.194407394138 / 8.0), + REAL_CONST(25974.11979267748 / 8.0), + REAL_CONST(25991.047935661154 / 8.0), + REAL_CONST(26007.978835446964 / 8.0), + REAL_CONST(26024.912491137442 / 8.0), + REAL_CONST(26041.848901835841 / 8.0), + REAL_CONST(26058.788066646157 / 8.0), + REAL_CONST(26075.729984673108 / 8.0), + REAL_CONST(26092.674655022136 / 8.0), + REAL_CONST(26109.622076799409 / 8.0), + REAL_CONST(26126.572249111829 / 8.0), + REAL_CONST(26143.525171067016 / 8.0), + REAL_CONST(26160.480841773315 / 8.0), + REAL_CONST(26177.43926033979 / 8.0), + REAL_CONST(26194.400425876229 / 8.0), + REAL_CONST(26211.364337493149 / 8.0), + REAL_CONST(26228.330994301767 / 8.0), + REAL_CONST(26245.30039541404 / 8.0), + REAL_CONST(26262.272539942627 / 8.0), + REAL_CONST(26279.247427000919 / 8.0), + REAL_CONST(26296.225055703002 / 8.0), + REAL_CONST(26313.205425163702 / 8.0), + REAL_CONST(26330.188534498539 / 8.0), + REAL_CONST(26347.174382823756 / 8.0), + REAL_CONST(26364.162969256304 / 8.0), + REAL_CONST(26381.154292913852 / 8.0), + REAL_CONST(26398.148352914774 / 8.0), + REAL_CONST(26415.145148378149 / 8.0), + REAL_CONST(26432.144678423778 / 8.0), + REAL_CONST(26449.146942172156 / 8.0), + REAL_CONST(26466.151938744493 / 8.0), + REAL_CONST(26483.159667262702 / 8.0), + REAL_CONST(26500.170126849403 / 8.0), + REAL_CONST(26517.183316627921 / 8.0), + REAL_CONST(26534.199235722277 / 8.0), + REAL_CONST(26551.217883257199 / 8.0), + REAL_CONST(26568.239258358124 / 8.0), + REAL_CONST(26585.263360151173 / 8.0), + REAL_CONST(26602.290187763181 / 8.0), + REAL_CONST(26619.319740321676 / 8.0), + REAL_CONST(26636.352016954883 / 8.0), + REAL_CONST(26653.387016791727 / 8.0), + REAL_CONST(26670.424738961825 / 8.0), + REAL_CONST(26687.465182595493 / 8.0), + REAL_CONST(26704.508346823739 / 8.0), + REAL_CONST(26721.554230778267 / 8.0), + REAL_CONST(26738.602833591467 / 8.0), + REAL_CONST(26755.65415439643 / 8.0), + REAL_CONST(26772.708192326929 / 8.0), + REAL_CONST(26789.764946517433 / 8.0), + REAL_CONST(26806.824416103096 / 8.0), + REAL_CONST(26823.886600219761 / 8.0), + REAL_CONST(26840.95149800396 / 8.0), + REAL_CONST(26858.019108592915 / 8.0), + REAL_CONST(26875.089431124517 / 8.0), + REAL_CONST(26892.162464737365 / 8.0), + REAL_CONST(26909.238208570721 / 8.0), + REAL_CONST(26926.316661764544 / 8.0), + REAL_CONST(26943.397823459472 / 8.0), + REAL_CONST(26960.481692796813 / 8.0), + REAL_CONST(26977.568268918571 / 8.0), + REAL_CONST(26994.657550967422 / 8.0), + REAL_CONST(27011.749538086722 / 8.0), + REAL_CONST(27028.844229420498 / 8.0), + REAL_CONST(27045.941624113464 / 8.0), + REAL_CONST(27063.041721311005 / 8.0), + REAL_CONST(27080.144520159181 / 8.0), + REAL_CONST(27097.250019804727 / 8.0), + REAL_CONST(27114.35821939505 / 8.0), + REAL_CONST(27131.469118078236 / 8.0), + REAL_CONST(27148.582715003027 / 8.0), + REAL_CONST(27165.699009318858 / 8.0), + REAL_CONST(27182.818000175819 / 8.0), + REAL_CONST(27199.939686724665 / 8.0), + REAL_CONST(27217.064068116837 / 8.0), + REAL_CONST(27234.191143504428 / 8.0), + REAL_CONST(27251.320912040203 / 8.0), + REAL_CONST(27268.453372877593 / 8.0), + REAL_CONST(27285.588525170693 / 8.0), + REAL_CONST(27302.726368074269 / 8.0), + REAL_CONST(27319.866900743735 / 8.0), + REAL_CONST(27337.010122335181 / 8.0), + REAL_CONST(27354.156032005358 / 8.0), + REAL_CONST(27371.304628911668 / 8.0), + REAL_CONST(27388.455912212183 / 8.0), + REAL_CONST(27405.609881065626 / 8.0), + REAL_CONST(27422.766534631384 / 8.0), + REAL_CONST(27439.925872069507 / 8.0), + REAL_CONST(27457.087892540683 / 8.0), + REAL_CONST(27474.252595206275 / 8.0), + REAL_CONST(27491.419979228293 / 8.0), + REAL_CONST(27508.5900437694 / 8.0), + REAL_CONST(27525.762787992917 / 8.0), + REAL_CONST(27542.93821106281 / 8.0), + REAL_CONST(27560.116312143706 / 8.0), + REAL_CONST(27577.297090400876 / 8.0), + REAL_CONST(27594.480545000242 / 8.0), + REAL_CONST(27611.666675108383 / 8.0), + REAL_CONST(27628.855479892518 / 8.0), + REAL_CONST(27646.046958520514 / 8.0), + REAL_CONST(27663.241110160889 / 8.0), + REAL_CONST(27680.437933982801 / 8.0), + REAL_CONST(27697.637429156068 / 8.0), + REAL_CONST(27714.839594851132 / 8.0), + REAL_CONST(27732.04443023909 / 8.0), + REAL_CONST(27749.251934491687 / 8.0), + REAL_CONST(27766.462106781299 / 8.0), + REAL_CONST(27783.674946280949 / 8.0), + REAL_CONST(27800.890452164302 / 8.0), + REAL_CONST(27818.108623605654 / 8.0), + REAL_CONST(27835.329459779954 / 8.0), + REAL_CONST(27852.55295986278 / 8.0), + REAL_CONST(27869.779123030345 / 8.0), + REAL_CONST(27887.007948459504 / 8.0), + REAL_CONST(27904.239435327745 / 8.0), + REAL_CONST(27921.473582813196 / 8.0), + REAL_CONST(27938.710390094613 / 8.0), + REAL_CONST(27955.949856351392 / 8.0), + REAL_CONST(27973.19198076355 / 8.0), + REAL_CONST(27990.436762511745 / 8.0), + REAL_CONST(28007.684200777272 / 8.0), + REAL_CONST(28024.934294742041 / 8.0), + REAL_CONST(28042.187043588601 / 8.0), + REAL_CONST(28059.442446500128 / 8.0), + REAL_CONST(28076.700502660427 / 8.0), + REAL_CONST(28093.961211253929 / 8.0), + REAL_CONST(28111.224571465693 / 8.0), + REAL_CONST(28128.490582481401 / 8.0), + REAL_CONST(28145.759243487362 / 8.0), + REAL_CONST(28163.030553670509 / 8.0), + REAL_CONST(28180.304512218394 / 8.0), + REAL_CONST(28197.581118319198 / 8.0), + REAL_CONST(28214.860371161725 / 8.0), + REAL_CONST(28232.14226993539 / 8.0), + REAL_CONST(28249.42681383024 / 8.0), + REAL_CONST(28266.71400203693 / 8.0), + REAL_CONST(28284.003833746745 / 8.0), + REAL_CONST(28301.296308151585 / 8.0), + REAL_CONST(28318.591424443959 / 8.0), + REAL_CONST(28335.889181817001 / 8.0), + REAL_CONST(28353.189579464462 / 8.0), + REAL_CONST(28370.492616580705 / 8.0), + REAL_CONST(28387.798292360701 / 8.0), + REAL_CONST(28405.106606000048 / 8.0), + REAL_CONST(28422.417556694945 / 8.0), + REAL_CONST(28439.731143642206 / 8.0), + REAL_CONST(28457.047366039264 / 8.0), + REAL_CONST(28474.366223084147 / 8.0), + REAL_CONST(28491.687713975512 / 8.0), + REAL_CONST(28509.011837912611 / 8.0), + REAL_CONST(28526.338594095305 / 8.0), + REAL_CONST(28543.667981724069 / 8.0), + REAL_CONST(28560.999999999982 / 8.0), + REAL_CONST(28578.334648124732 / 8.0), + REAL_CONST(28595.671925300605 / 8.0), + REAL_CONST(28613.011830730498 / 8.0), + REAL_CONST(28630.354363617909 / 8.0), + REAL_CONST(28647.699523166943 / 8.0), + REAL_CONST(28665.0473085823 / 8.0), + REAL_CONST(28682.397719069289 / 8.0), + REAL_CONST(28699.750753833818 / 8.0), + REAL_CONST(28717.10641208239 / 8.0), + REAL_CONST(28734.464693022121 / 8.0), + REAL_CONST(28751.825595860708 / 8.0), + REAL_CONST(28769.189119806462 / 8.0), + REAL_CONST(28786.55526406828 / 8.0), + REAL_CONST(28803.924027855664 / 8.0), + REAL_CONST(28821.295410378701 / 8.0), + REAL_CONST(28838.669410848088 / 8.0), + REAL_CONST(28856.046028475103 / 8.0), + REAL_CONST(28873.425262471628 / 8.0), + REAL_CONST(28890.80711205013 / 8.0), + REAL_CONST(28908.191576423673 / 8.0), + REAL_CONST(28925.578654805915 / 8.0), + REAL_CONST(28942.968346411097 / 8.0), + REAL_CONST(28960.360650454055 / 8.0), + REAL_CONST(28977.755566150216 / 8.0), + REAL_CONST(28995.153092715591 / 8.0), + REAL_CONST(29012.553229366786 / 8.0), + REAL_CONST(29029.955975320987 / 8.0), + REAL_CONST(29047.361329795975 / 8.0), + REAL_CONST(29064.769292010107 / 8.0), + REAL_CONST(29082.179861182336 / 8.0), + REAL_CONST(29099.593036532187 / 8.0), + REAL_CONST(29117.00881727978 / 8.0), + REAL_CONST(29134.427202645813 / 8.0), + REAL_CONST(29151.848191851568 / 8.0), + REAL_CONST(29169.271784118911 / 8.0), + REAL_CONST(29186.697978670283 / 8.0), + REAL_CONST(29204.126774728706 / 8.0), + REAL_CONST(29221.55817151779 / 8.0), + REAL_CONST(29238.992168261717 / 8.0), + REAL_CONST(29256.42876418525 / 8.0), + REAL_CONST(29273.867958513725 / 8.0), + REAL_CONST(29291.309750473058 / 8.0), + REAL_CONST(29308.754139289747 / 8.0), + REAL_CONST(29326.201124190855 / 8.0), + REAL_CONST(29343.65070440403 / 8.0), + REAL_CONST(29361.102879157483 / 8.0), + REAL_CONST(29378.557647680012 / 8.0), + REAL_CONST(29396.015009200975 / 8.0), + REAL_CONST(29413.474962950309 / 8.0), + REAL_CONST(29430.937508158524 / 8.0), + REAL_CONST(29448.402644056692 / 8.0), + REAL_CONST(29465.870369876469 / 8.0), + REAL_CONST(29483.340684850071 / 8.0), + REAL_CONST(29500.81358821028 / 8.0), + REAL_CONST(29518.289079190454 / 8.0), + REAL_CONST(29535.767157024511 / 8.0), + REAL_CONST(29553.247820946945 / 8.0), + REAL_CONST(29570.731070192807 / 8.0), + REAL_CONST(29588.216903997723 / 8.0), + REAL_CONST(29605.70532159787 / 8.0), + REAL_CONST(29623.19632223 / 8.0), + REAL_CONST(29640.689905131429 / 8.0), + REAL_CONST(29658.186069540028 / 8.0), + REAL_CONST(29675.684814694236 / 8.0), + REAL_CONST(29693.186139833047 / 8.0), + REAL_CONST(29710.690044196028 / 8.0), + REAL_CONST(29728.196527023298 / 8.0), + REAL_CONST(29745.705587555527 / 8.0), + REAL_CONST(29763.217225033964 / 8.0), + REAL_CONST(29780.731438700397 / 8.0), + REAL_CONST(29798.248227797183 / 8.0), + REAL_CONST(29815.76759156723 / 8.0), + REAL_CONST(29833.289529254005 / 8.0), + REAL_CONST(29850.81404010153 / 8.0), + REAL_CONST(29868.341123354381 / 8.0), + REAL_CONST(29885.870778257693 / 8.0), + REAL_CONST(29903.403004057145 / 8.0), + REAL_CONST(29920.937799998974 / 8.0), + REAL_CONST(29938.475165329975 / 8.0), + REAL_CONST(29956.015099297485 / 8.0), + REAL_CONST(29973.557601149394 / 8.0), + REAL_CONST(29991.102670134147 / 8.0), + REAL_CONST(30008.650305500738 / 8.0), + REAL_CONST(30026.200506498706 / 8.0), + REAL_CONST(30043.753272378144 / 8.0), + REAL_CONST(30061.308602389683 / 8.0), + REAL_CONST(30078.866495784507 / 8.0), + REAL_CONST(30096.426951814352 / 8.0), + REAL_CONST(30113.989969731494 / 8.0), + REAL_CONST(30131.55554878875 / 8.0), + REAL_CONST(30149.123688239491 / 8.0), + REAL_CONST(30166.694387337629 / 8.0), + REAL_CONST(30184.267645337608 / 8.0), + REAL_CONST(30201.843461494434 / 8.0), + REAL_CONST(30219.42183506364 / 8.0), + REAL_CONST(30237.002765301309 / 8.0), + REAL_CONST(30254.586251464058 / 8.0), + REAL_CONST(30272.172292809046 / 8.0), + REAL_CONST(30289.760888593977 / 8.0), + REAL_CONST(30307.35203807709 / 8.0), + REAL_CONST(30324.94574051716 / 8.0), + REAL_CONST(30342.541995173502 / 8.0), + REAL_CONST(30360.140801305966 / 8.0), + REAL_CONST(30377.742158174944 / 8.0), + REAL_CONST(30395.346065041358 / 8.0), + REAL_CONST(30412.952521166666 / 8.0), + REAL_CONST(30430.561525812864 / 8.0), + REAL_CONST(30448.173078242475 / 8.0), + REAL_CONST(30465.787177718561 / 8.0), + REAL_CONST(30483.403823504719 / 8.0), + REAL_CONST(30501.02301486507 / 8.0), + REAL_CONST(30518.644751064272 / 8.0), + REAL_CONST(30536.269031367516 / 8.0), + REAL_CONST(30553.895855040515 / 8.0), + REAL_CONST(30571.525221349519 / 8.0), + REAL_CONST(30589.157129561307 / 8.0), + REAL_CONST(30606.791578943175 / 8.0), + REAL_CONST(30624.428568762964 / 8.0), + REAL_CONST(30642.06809828903 / 8.0), + REAL_CONST(30659.710166790261 / 8.0), + REAL_CONST(30677.35477353607 / 8.0), + REAL_CONST(30695.001917796391 / 8.0), + REAL_CONST(30712.651598841687 / 8.0), + REAL_CONST(30730.303815942945 / 8.0), + REAL_CONST(30747.958568371676 / 8.0), + REAL_CONST(30765.615855399912 / 8.0), + REAL_CONST(30783.275676300211 / 8.0), + REAL_CONST(30800.938030345646 / 8.0), + REAL_CONST(30818.602916809814 / 8.0), + REAL_CONST(30836.270334966837 / 8.0), + REAL_CONST(30853.940284091354 / 8.0), + REAL_CONST(30871.612763458521 / 8.0), + REAL_CONST(30889.287772344011 / 8.0), + REAL_CONST(30906.965310024025 / 8.0), + REAL_CONST(30924.645375775272 / 8.0), + REAL_CONST(30942.327968874983 / 8.0), + REAL_CONST(30960.013088600903 / 8.0), + REAL_CONST(30977.700734231294 / 8.0), + REAL_CONST(30995.390905044929 / 8.0), + REAL_CONST(31013.083600321101 / 8.0), + REAL_CONST(31030.778819339619 / 8.0), + REAL_CONST(31048.476561380798 / 8.0), + REAL_CONST(31066.17682572547 / 8.0), + REAL_CONST(31083.879611654978 / 8.0), + REAL_CONST(31101.584918451179 / 8.0), + REAL_CONST(31119.29274539644 / 8.0), + REAL_CONST(31137.003091773637 / 8.0), + REAL_CONST(31154.715956866155 / 8.0), + REAL_CONST(31172.431339957893 / 8.0), + REAL_CONST(31190.14924033326 / 8.0), + REAL_CONST(31207.869657277162 / 8.0), + REAL_CONST(31225.592590075023 / 8.0), + REAL_CONST(31243.318038012771 / 8.0), + REAL_CONST(31261.046000376838 / 8.0), + REAL_CONST(31278.776476454172 / 8.0), + REAL_CONST(31296.50946553221 / 8.0), + REAL_CONST(31314.24496689891 / 8.0), + REAL_CONST(31331.98297984272 / 8.0), + REAL_CONST(31349.7235036526 / 8.0), + REAL_CONST(31367.466537618013 / 8.0), + REAL_CONST(31385.212081028923 / 8.0), + REAL_CONST(31402.960133175795 / 8.0), + REAL_CONST(31420.710693349596 / 8.0), + REAL_CONST(31438.463760841791 / 8.0), + REAL_CONST(31456.219334944351 / 8.0), + REAL_CONST(31473.977414949743 / 8.0), + REAL_CONST(31491.738000150934 / 8.0), + REAL_CONST(31509.501089841389 / 8.0), + REAL_CONST(31527.266683315069 / 8.0), + REAL_CONST(31545.034779866437 / 8.0), + REAL_CONST(31562.80537879045 / 8.0), + REAL_CONST(31580.578479382562 / 8.0), + REAL_CONST(31598.35408093872 / 8.0), + REAL_CONST(31616.132182755369 / 8.0), + REAL_CONST(31633.91278412945 / 8.0), + REAL_CONST(31651.695884358396 / 8.0), + REAL_CONST(31669.481482740131 / 8.0), + REAL_CONST(31687.269578573076 / 8.0), + REAL_CONST(31705.060171156143 / 8.0), + REAL_CONST(31722.853259788735 / 8.0), + REAL_CONST(31740.648843770748 / 8.0), + REAL_CONST(31758.446922402567 / 8.0), + REAL_CONST(31776.247494985066 / 8.0), + REAL_CONST(31794.050560819614 / 8.0), + REAL_CONST(31811.85611920806 / 8.0), + REAL_CONST(31829.664169452753 / 8.0), + REAL_CONST(31847.474710856521 / 8.0), + REAL_CONST(31865.287742722685 / 8.0), + REAL_CONST(31883.103264355046 / 8.0), + REAL_CONST(31900.921275057899 / 8.0), + REAL_CONST(31918.741774136019 / 8.0), + REAL_CONST(31936.564760894671 / 8.0), + REAL_CONST(31954.390234639599 / 8.0), + REAL_CONST(31972.21819467704 / 8.0), + REAL_CONST(31990.048640313704 / 8.0), + REAL_CONST(32007.881570856793 / 8.0), + REAL_CONST(32025.716985613984 / 8.0), + REAL_CONST(32043.554883893445 / 8.0), + REAL_CONST(32061.395265003815 / 8.0), + REAL_CONST(32079.238128254223 / 8.0), + REAL_CONST(32097.083472954269 / 8.0), + REAL_CONST(32114.931298414049 / 8.0), + REAL_CONST(32132.781603944117 / 8.0), + REAL_CONST(32150.634388855524 / 8.0), + REAL_CONST(32168.48965245979 / 8.0), + REAL_CONST(32186.347394068915 / 8.0), + REAL_CONST(32204.207612995371 / 8.0), + REAL_CONST(32222.07030855212 / 8.0), + REAL_CONST(32239.935480052583 / 8.0), + REAL_CONST(32257.803126810672 / 8.0), + REAL_CONST(32275.673248140767 / 8.0), + REAL_CONST(32293.545843357719 / 8.0), + REAL_CONST(32311.420911776862 / 8.0), + REAL_CONST(32329.298452713996 / 8.0), + REAL_CONST(32347.178465485395 / 8.0), + REAL_CONST(32365.060949407813 / 8.0), + REAL_CONST(32382.945903798463 / 8.0), + REAL_CONST(32400.83332797504 / 8.0), + REAL_CONST(32418.723221255706 / 8.0), + REAL_CONST(32436.615582959093 / 8.0), + REAL_CONST(32454.510412404306 / 8.0), + REAL_CONST(32472.407708910916 / 8.0), + REAL_CONST(32490.307471798966 / 8.0), + REAL_CONST(32508.209700388961 / 8.0), + REAL_CONST(32526.114394001877 / 8.0), + REAL_CONST(32544.021551959166 / 8.0), + REAL_CONST(32561.931173582732 / 8.0), + REAL_CONST(32579.843258194956 / 8.0), + REAL_CONST(32597.757805118679 / 8.0), + REAL_CONST(32615.674813677211 / 8.0), + REAL_CONST(32633.594283194328 / 8.0), + REAL_CONST(32651.516212994258 / 8.0), + REAL_CONST(32669.440602401712 / 8.0), + REAL_CONST(32687.367450741847 / 8.0), + REAL_CONST(32705.296757340297 / 8.0), + REAL_CONST(32723.228521523146 / 8.0), + REAL_CONST(32741.162742616943 / 8.0), + REAL_CONST(32759.099419948703 / 8.0), + REAL_CONST(32777.038552845901 / 8.0), + REAL_CONST(32794.980140636464 / 8.0), + REAL_CONST(32812.924182648792 / 8.0), + REAL_CONST(32830.87067821173 / 8.0), + REAL_CONST(32848.819626654593 / 8.0), + REAL_CONST(32866.77102730715 / 8.0), + REAL_CONST(32884.724879499619 / 8.0), + REAL_CONST(32902.681182562686 / 8.0), + REAL_CONST(32920.639935827494 / 8.0), + REAL_CONST(32938.601138625643 / 8.0), + REAL_CONST(32956.56479028918 / 8.0), + REAL_CONST(32974.530890150607 / 8.0), + REAL_CONST(32992.499437542894 / 8.0), + REAL_CONST(33010.470431799447 / 8.0), + REAL_CONST(33028.443872254145 / 8.0), + REAL_CONST(33046.419758241311 / 8.0), + REAL_CONST(33064.39808909571 / 8.0), + REAL_CONST(33082.378864152583 / 8.0), + REAL_CONST(33100.36208274759 / 8.0), + REAL_CONST(33118.347744216881 / 8.0), + REAL_CONST(33136.335847897026 / 8.0), + REAL_CONST(33154.326393125062 / 8.0), + REAL_CONST(33172.31937923847 / 8.0), + REAL_CONST(33190.314805575174 / 8.0), + REAL_CONST(33208.312671473555 / 8.0), + REAL_CONST(33226.312976272442 / 8.0), + REAL_CONST(33244.315719311111 / 8.0), + REAL_CONST(33262.320899929284 / 8.0), + REAL_CONST(33280.328517467125 / 8.0), + REAL_CONST(33298.33857126526 / 8.0), + REAL_CONST(33316.351060664747 / 8.0), + REAL_CONST(33334.365985007091 / 8.0), + REAL_CONST(33352.383343634239 / 8.0), + REAL_CONST(33370.403135888591 / 8.0), + REAL_CONST(33388.42536111299 / 8.0), + REAL_CONST(33406.450018650721 / 8.0), + REAL_CONST(33424.477107845501 / 8.0), + REAL_CONST(33442.506628041512 / 8.0), + REAL_CONST(33460.53857858335 / 8.0), + REAL_CONST(33478.572958816083 / 8.0), + REAL_CONST(33496.609768085189 / 8.0), + REAL_CONST(33514.649005736617 / 8.0), + REAL_CONST(33532.690671116739 / 8.0), + REAL_CONST(33550.734763572356 / 8.0), + REAL_CONST(33568.781282450735 / 8.0), + REAL_CONST(33586.830227099563 / 8.0), + REAL_CONST(33604.881596866973 / 8.0), + REAL_CONST(33622.935391101528 / 8.0), + REAL_CONST(33640.991609152239 / 8.0), + REAL_CONST(33659.050250368542 / 8.0), + REAL_CONST(33677.111314100322 / 8.0), + REAL_CONST(33695.174799697881 / 8.0), + REAL_CONST(33713.240706511984 / 8.0), + REAL_CONST(33731.309033893805 / 8.0), + REAL_CONST(33749.37978119497 / 8.0), + REAL_CONST(33767.452947767531 / 8.0), + REAL_CONST(33785.528532963974 / 8.0), + REAL_CONST(33803.606536137209 / 8.0), + REAL_CONST(33821.686956640602 / 8.0), + REAL_CONST(33839.769793827938 / 8.0), + REAL_CONST(33857.855047053425 / 8.0), + REAL_CONST(33875.942715671707 / 8.0), + REAL_CONST(33894.032799037872 / 8.0), + REAL_CONST(33912.125296507431 / 8.0), + REAL_CONST(33930.220207436316 / 8.0), + REAL_CONST(33948.317531180888 / 8.0), + REAL_CONST(33966.417267097961 / 8.0), + REAL_CONST(33984.519414544746 / 8.0), + REAL_CONST(34002.623972878901 / 8.0), + REAL_CONST(34020.730941458511 / 8.0), + REAL_CONST(34038.840319642077 / 8.0), + REAL_CONST(34056.952106788536 / 8.0), + REAL_CONST(34075.066302257255 / 8.0), + REAL_CONST(34093.182905408015 / 8.0), + REAL_CONST(34111.301915601027 / 8.0), + REAL_CONST(34129.42333219693 / 8.0), + REAL_CONST(34147.547154556785 / 8.0), + REAL_CONST(34165.673382042078 / 8.0), + REAL_CONST(34183.80201401472 / 8.0), + REAL_CONST(34201.933049837033 / 8.0), + REAL_CONST(34220.06648887178 / 8.0), + REAL_CONST(34238.202330482141 / 8.0), + REAL_CONST(34256.340574031703 / 8.0), + REAL_CONST(34274.481218884495 / 8.0), + REAL_CONST(34292.624264404949 / 8.0), + REAL_CONST(34310.769709957938 / 8.0), + REAL_CONST(34328.91755490873 / 8.0), + REAL_CONST(34347.067798623029 / 8.0), + REAL_CONST(34365.220440466954 / 8.0), + REAL_CONST(34383.375479807051 / 8.0), + REAL_CONST(34401.532916010263 / 8.0), + REAL_CONST(34419.692748443973 / 8.0), + REAL_CONST(34437.854976475966 / 8.0), + REAL_CONST(34456.01959947445 / 8.0), + REAL_CONST(34474.18661680806 / 8.0), + REAL_CONST(34492.356027845817 / 8.0), + REAL_CONST(34510.527831957188 / 8.0), + REAL_CONST(34528.702028512052 / 8.0), + REAL_CONST(34546.878616880676 / 8.0), + REAL_CONST(34565.05759643377 / 8.0), + REAL_CONST(34583.238966542449 / 8.0), + REAL_CONST(34601.422726578232 / 8.0), + REAL_CONST(34619.608875913065 / 8.0), + REAL_CONST(34637.797413919296 / 8.0), + REAL_CONST(34655.988339969692 / 8.0), + REAL_CONST(34674.181653437423 / 8.0), + REAL_CONST(34692.37735369608 / 8.0), + REAL_CONST(34710.575440119668 / 8.0), + REAL_CONST(34728.775912082579 / 8.0), + REAL_CONST(34746.978768959649 / 8.0), + REAL_CONST(34765.184010126082 / 8.0), + REAL_CONST(34783.391634957537 / 8.0), + REAL_CONST(34801.60164283005 / 8.0), + REAL_CONST(34819.814033120063 / 8.0), + REAL_CONST(34838.028805204456 / 8.0), + REAL_CONST(34856.24595846048 / 8.0), + REAL_CONST(34874.465492265823 / 8.0), + REAL_CONST(34892.687405998557 / 8.0), + REAL_CONST(34910.911699037177 / 8.0), + REAL_CONST(34929.138370760564 / 8.0), + REAL_CONST(34947.367420548027 / 8.0), + REAL_CONST(34965.598847779271 / 8.0), + REAL_CONST(34983.832651834389 / 8.0), + REAL_CONST(35002.068832093908 / 8.0), + REAL_CONST(35020.307387938738 / 8.0), + REAL_CONST(35038.548318750189 / 8.0), + REAL_CONST(35056.79162390998 / 8.0), + REAL_CONST(35075.03730280025 / 8.0), + REAL_CONST(35093.285354803513 / 8.0), + REAL_CONST(35111.535779302685 / 8.0), + REAL_CONST(35129.788575681116 / 8.0), + REAL_CONST(35148.043743322516 / 8.0), + REAL_CONST(35166.301281611013 / 8.0), + REAL_CONST(35184.561189931141 / 8.0), + REAL_CONST(35202.823467667826 / 8.0), + REAL_CONST(35221.088114206388 / 8.0), + REAL_CONST(35239.355128932555 / 8.0), + REAL_CONST(35257.624511232447 / 8.0), + REAL_CONST(35275.896260492584 / 8.0), + REAL_CONST(35294.170376099886 / 8.0), + REAL_CONST(35312.446857441668 / 8.0), + REAL_CONST(35330.725703905628 / 8.0), + REAL_CONST(35349.006914879887 / 8.0), + REAL_CONST(35367.290489752944 / 8.0), + REAL_CONST(35385.576427913686 / 8.0), + REAL_CONST(35403.864728751418 / 8.0), + REAL_CONST(35422.155391655811 / 8.0), + REAL_CONST(35440.448416016967 / 8.0), + REAL_CONST(35458.743801225341 / 8.0), + REAL_CONST(35477.041546671804 / 8.0), + REAL_CONST(35495.341651747622 / 8.0), + REAL_CONST(35513.644115844436 / 8.0), + REAL_CONST(35531.948938354304 / 8.0), + REAL_CONST(35550.256118669655 / 8.0), + REAL_CONST(35568.565656183309 / 8.0), + REAL_CONST(35586.877550288496 / 8.0), + REAL_CONST(35605.191800378816 / 8.0), + REAL_CONST(35623.508405848268 / 8.0), + REAL_CONST(35641.827366091238 / 8.0), + REAL_CONST(35660.148680502505 / 8.0), + REAL_CONST(35678.472348477233 / 8.0), + REAL_CONST(35696.798369410979 / 8.0), + REAL_CONST(35715.126742699678 / 8.0), + REAL_CONST(35733.457467739659 / 8.0), + REAL_CONST(35751.790543927644 / 8.0), + REAL_CONST(35770.125970660738 / 8.0), + REAL_CONST(35788.46374733642 / 8.0), + REAL_CONST(35806.803873352568 / 8.0), + REAL_CONST(35825.146348107453 / 8.0), + REAL_CONST(35843.49117099971 / 8.0), + REAL_CONST(35861.838341428367 / 8.0), + REAL_CONST(35880.187858792851 / 8.0), + REAL_CONST(35898.539722492955 / 8.0), + REAL_CONST(35916.893931928862 / 8.0), + REAL_CONST(35935.250486501129 / 8.0), + REAL_CONST(35953.609385610718 / 8.0), + REAL_CONST(35971.970628658957 / 8.0), + REAL_CONST(35990.334215047558 / 8.0), + REAL_CONST(36008.700144178612 / 8.0), + REAL_CONST(36027.068415454596 / 8.0), + REAL_CONST(36045.439028278372 / 8.0), + REAL_CONST(36063.811982053165 / 8.0), + REAL_CONST(36082.187276182609 / 8.0), + REAL_CONST(36100.564910070694 / 8.0), + REAL_CONST(36118.944883121789 / 8.0), + REAL_CONST(36137.327194740654 / 8.0), + REAL_CONST(36155.711844332429 / 8.0), + REAL_CONST(36174.098831302617 / 8.0), + REAL_CONST(36192.488155057115 / 8.0), + REAL_CONST(36210.87981500219 / 8.0), + REAL_CONST(36229.273810544473 / 8.0), + REAL_CONST(36247.670141091003 / 8.0), + REAL_CONST(36266.068806049167 / 8.0), + REAL_CONST(36284.469804826738 / 8.0), + REAL_CONST(36302.873136831862 / 8.0), + REAL_CONST(36321.278801473069 / 8.0), + REAL_CONST(36339.686798159251 / 8.0), + REAL_CONST(36358.097126299683 / 8.0), + REAL_CONST(36376.509785304013 / 8.0), + REAL_CONST(36394.924774582258 / 8.0), + REAL_CONST(36413.342093544816 / 8.0), + REAL_CONST(36431.761741602444 / 8.0), + REAL_CONST(36450.183718166292 / 8.0), + REAL_CONST(36468.608022647859 / 8.0), + REAL_CONST(36487.034654459028 / 8.0), + REAL_CONST(36505.463613012063 / 8.0), + REAL_CONST(36523.894897719583 / 8.0), + REAL_CONST(36542.328507994578 / 8.0), + REAL_CONST(36560.764443250409 / 8.0), + REAL_CONST(36579.202702900831 / 8.0), + REAL_CONST(36597.643286359926 / 8.0), + REAL_CONST(36616.086193042182 / 8.0), + REAL_CONST(36634.531422362437 / 8.0), + REAL_CONST(36652.978973735895 / 8.0), + REAL_CONST(36671.428846578143 / 8.0), + REAL_CONST(36689.881040305125 / 8.0), + REAL_CONST(36708.335554333149 / 8.0), + REAL_CONST(36726.792388078902 / 8.0), + REAL_CONST(36745.251540959427 / 8.0), + REAL_CONST(36763.713012392138 / 8.0), + REAL_CONST(36782.176801794812 / 8.0), + REAL_CONST(36800.642908585593 / 8.0), + REAL_CONST(36819.111332182983 / 8.0), + REAL_CONST(36837.582072005869 / 8.0), + REAL_CONST(36856.055127473483 / 8.0), + REAL_CONST(36874.530498005421 / 8.0), + REAL_CONST(36893.008183021651 / 8.0), + REAL_CONST(36911.488181942506 / 8.0), + REAL_CONST(36929.970494188674 / 8.0), + REAL_CONST(36948.455119181206 / 8.0), + REAL_CONST(36966.942056341519 / 8.0), + REAL_CONST(36985.431305091392 / 8.0), + REAL_CONST(37003.922864852961 / 8.0), + REAL_CONST(37022.416735048733 / 8.0), + REAL_CONST(37040.912915101559 / 8.0), + REAL_CONST(37059.411404434657 / 8.0), + REAL_CONST(37077.91220247162 / 8.0), + REAL_CONST(37096.415308636388 / 8.0), + REAL_CONST(37114.920722353243 / 8.0), + REAL_CONST(37133.428443046862 / 8.0), + REAL_CONST(37151.938470142253 / 8.0), + REAL_CONST(37170.450803064785 / 8.0), + REAL_CONST(37188.965441240209 / 8.0), + REAL_CONST(37207.482384094597 / 8.0), + REAL_CONST(37226.001631054402 / 8.0), + REAL_CONST(37244.523181546429 / 8.0), + REAL_CONST(37263.047034997842 / 8.0), + REAL_CONST(37281.573190836149 / 8.0), + REAL_CONST(37300.101648489224 / 8.0), + REAL_CONST(37318.632407385296 / 8.0), + REAL_CONST(37337.165466952945 / 8.0), + REAL_CONST(37355.700826621112 / 8.0), + REAL_CONST(37374.238485819085 / 8.0), + REAL_CONST(37392.778443976509 / 8.0), + REAL_CONST(37411.320700523385 / 8.0), + REAL_CONST(37429.865254890057 / 8.0), + REAL_CONST(37448.412106507232 / 8.0), + REAL_CONST(37466.961254805974 / 8.0), + REAL_CONST(37485.512699217681 / 8.0), + REAL_CONST(37504.066439174116 / 8.0), + REAL_CONST(37522.622474107404 / 8.0), + REAL_CONST(37541.180803449992 / 8.0), + REAL_CONST(37559.741426634704 / 8.0), + REAL_CONST(37578.304343094693 / 8.0), + REAL_CONST(37596.869552263488 / 8.0), + REAL_CONST(37615.43705357494 / 8.0), + REAL_CONST(37634.006846463279 / 8.0), + REAL_CONST(37652.578930363044 / 8.0), + REAL_CONST(37671.153304709165 / 8.0), + REAL_CONST(37689.729968936896 / 8.0), + REAL_CONST(37708.308922481847 / 8.0), + REAL_CONST(37726.890164779965 / 8.0), + REAL_CONST(37745.473695267559 / 8.0), + REAL_CONST(37764.059513381275 / 8.0), + REAL_CONST(37782.647618558112 / 8.0), + REAL_CONST(37801.238010235415 / 8.0), + REAL_CONST(37819.830687850859 / 8.0), + REAL_CONST(37838.425650842495 / 8.0), + REAL_CONST(37857.022898648691 / 8.0), + REAL_CONST(37875.622430708172 / 8.0), + REAL_CONST(37894.224246460013 / 8.0), + REAL_CONST(37912.828345343616 / 8.0), + REAL_CONST(37931.434726798747 / 8.0), + REAL_CONST(37950.043390265506 / 8.0), + REAL_CONST(37968.654335184328 / 8.0), + REAL_CONST(37987.267560995999 / 8.0), + REAL_CONST(38005.883067141665 / 8.0), + REAL_CONST(38024.500853062775 / 8.0), + REAL_CONST(38043.120918201159 / 8.0), + REAL_CONST(38061.743261998963 / 8.0), + REAL_CONST(38080.367883898682 / 8.0), + REAL_CONST(38098.994783343158 / 8.0), + REAL_CONST(38117.623959775563 / 8.0), + REAL_CONST(38136.255412639417 / 8.0), + REAL_CONST(38154.889141378575 / 8.0), + REAL_CONST(38173.525145437234 / 8.0), + REAL_CONST(38192.163424259939 / 8.0), + REAL_CONST(38210.803977291551 / 8.0), + REAL_CONST(38229.446803977284 / 8.0), + REAL_CONST(38248.091903762703 / 8.0), + REAL_CONST(38266.739276093685 / 8.0), + REAL_CONST(38285.388920416466 / 8.0), + REAL_CONST(38304.040836177606 / 8.0), + REAL_CONST(38322.695022824002 / 8.0), + REAL_CONST(38341.351479802899 / 8.0), + REAL_CONST(38360.010206561863 / 8.0), + REAL_CONST(38378.671202548816 / 8.0), + REAL_CONST(38397.334467211993 / 8.0), + REAL_CONST(38415.999999999978 / 8.0), + REAL_CONST(38434.667800361683 / 8.0), + REAL_CONST(38453.33786774637 / 8.0), + REAL_CONST(38472.010201603611 / 8.0), + REAL_CONST(38490.684801383337 / 8.0), + REAL_CONST(38509.361666535784 / 8.0), + REAL_CONST(38528.040796511552 / 8.0), + REAL_CONST(38546.722190761553 / 8.0), + REAL_CONST(38565.405848737035 / 8.0), + REAL_CONST(38584.091769889594 / 8.0), + REAL_CONST(38602.779953671132 / 8.0), + REAL_CONST(38621.470399533908 / 8.0), + REAL_CONST(38640.163106930493 / 8.0), + REAL_CONST(38658.858075313794 / 8.0), + REAL_CONST(38677.555304137059 / 8.0), + REAL_CONST(38696.254792853862 / 8.0), + REAL_CONST(38714.956540918094 / 8.0), + REAL_CONST(38733.660547783991 / 8.0), + REAL_CONST(38752.366812906112 / 8.0), + REAL_CONST(38771.075335739348 / 8.0), + REAL_CONST(38789.78611573892 / 8.0), + REAL_CONST(38808.499152360368 / 8.0), + REAL_CONST(38827.214445059573 / 8.0), + REAL_CONST(38845.931993292739 / 8.0), + REAL_CONST(38864.651796516388 / 8.0), + REAL_CONST(38883.373854187383 / 8.0), + REAL_CONST(38902.098165762916 / 8.0), + REAL_CONST(38920.824730700486 / 8.0), + REAL_CONST(38939.553548457938 / 8.0), + REAL_CONST(38958.284618493431 / 8.0), + REAL_CONST(38977.017940265461 / 8.0), + REAL_CONST(38995.753513232834 / 8.0), + REAL_CONST(39014.491336854699 / 8.0), + REAL_CONST(39033.231410590517 / 8.0), + REAL_CONST(39051.973733900079 / 8.0), + REAL_CONST(39070.718306243485 / 8.0), + REAL_CONST(39089.465127081188 / 8.0), + REAL_CONST(39108.214195873945 / 8.0), + REAL_CONST(39126.965512082832 / 8.0), + REAL_CONST(39145.719075169261 / 8.0), + REAL_CONST(39164.474884594965 / 8.0), + REAL_CONST(39183.232939821988 / 8.0), + REAL_CONST(39201.99324031271 / 8.0), + REAL_CONST(39220.755785529815 / 8.0), + REAL_CONST(39239.52057493633 / 8.0), + REAL_CONST(39258.287607995589 / 8.0), + REAL_CONST(39277.056884171245 / 8.0), + REAL_CONST(39295.828402927284 / 8.0), + REAL_CONST(39314.602163728006 / 8.0), + REAL_CONST(39333.378166038019 / 8.0), + REAL_CONST(39352.15640932227 / 8.0), + REAL_CONST(39370.936893046004 / 8.0), + REAL_CONST(39389.719616674811 / 8.0), + REAL_CONST(39408.504579674584 / 8.0), + REAL_CONST(39427.291781511522 / 8.0), + REAL_CONST(39446.081221652174 / 8.0), + REAL_CONST(39464.872899563372 / 8.0), + REAL_CONST(39483.666814712291 / 8.0), + REAL_CONST(39502.462966566411 / 8.0), + REAL_CONST(39521.261354593538 / 8.0), + REAL_CONST(39540.06197826178 / 8.0), + REAL_CONST(39558.864837039568 / 8.0), + REAL_CONST(39577.669930395656 / 8.0), + REAL_CONST(39596.47725779911 / 8.0), + REAL_CONST(39615.286818719302 / 8.0), + REAL_CONST(39634.098612625923 / 8.0), + REAL_CONST(39652.912638988993 / 8.0), + REAL_CONST(39671.728897278823 / 8.0), + REAL_CONST(39690.547386966064 / 8.0), + REAL_CONST(39709.368107521652 / 8.0), + REAL_CONST(39728.191058416858 / 8.0), + REAL_CONST(39747.016239123259 / 8.0), + REAL_CONST(39765.84364911275 / 8.0), + REAL_CONST(39784.673287857528 / 8.0), + REAL_CONST(39803.505154830105 / 8.0), + REAL_CONST(39822.339249503319 / 8.0), + REAL_CONST(39841.175571350293 / 8.0), + REAL_CONST(39860.014119844491 / 8.0), + REAL_CONST(39878.854894459677 / 8.0), + REAL_CONST(39897.697894669909 / 8.0), + REAL_CONST(39916.54311994958 / 8.0), + REAL_CONST(39935.390569773372 / 8.0), + REAL_CONST(39954.240243616303 / 8.0), + REAL_CONST(39973.092140953675 / 8.0), + REAL_CONST(39991.946261261117 / 8.0), + REAL_CONST(40010.802604014549 / 8.0), + REAL_CONST(40029.661168690225 / 8.0), + REAL_CONST(40048.521954764678 / 8.0), + REAL_CONST(40067.384961714779 / 8.0), + REAL_CONST(40086.250189017679 / 8.0), + REAL_CONST(40105.117636150855 / 8.0), + REAL_CONST(40123.98730259209 / 8.0), + REAL_CONST(40142.859187819471 / 8.0), + REAL_CONST(40161.733291311379 / 8.0), + REAL_CONST(40180.609612546526 / 8.0), + REAL_CONST(40199.488151003912 / 8.0), + REAL_CONST(40218.368906162854 / 8.0), + REAL_CONST(40237.25187750296 / 8.0), + REAL_CONST(40256.137064504153 / 8.0), + REAL_CONST(40275.024466646668 / 8.0), + REAL_CONST(40293.914083411029 / 8.0), + REAL_CONST(40312.805914278084 / 8.0), + REAL_CONST(40331.699958728961 / 8.0), + REAL_CONST(40350.596216245103 / 8.0), + REAL_CONST(40369.494686308273 / 8.0), + REAL_CONST(40388.39536840051 / 8.0), + REAL_CONST(40407.298262004173 / 8.0), + REAL_CONST(40426.20336660192 / 8.0), + REAL_CONST(40445.110681676706 / 8.0), + REAL_CONST(40464.020206711793 / 8.0), + REAL_CONST(40482.931941190756 / 8.0), + REAL_CONST(40501.845884597446 / 8.0), + REAL_CONST(40520.762036416032 / 8.0), + REAL_CONST(40539.680396130985 / 8.0), + REAL_CONST(40558.600963227072 / 8.0), + REAL_CONST(40577.523737189367 / 8.0), + REAL_CONST(40596.448717503234 / 8.0), + REAL_CONST(40615.375903654342 / 8.0), + REAL_CONST(40634.305295128659 / 8.0), + REAL_CONST(40653.236891412453 / 8.0), + REAL_CONST(40672.170691992294 / 8.0), + REAL_CONST(40691.106696355047 / 8.0), + REAL_CONST(40710.044903987873 / 8.0), + REAL_CONST(40728.985314378238 / 8.0), + REAL_CONST(40747.927927013901 / 8.0), + REAL_CONST(40766.872741382918 / 8.0), + REAL_CONST(40785.819756973651 / 8.0), + REAL_CONST(40804.768973274746 / 8.0), + REAL_CONST(40823.720389775161 / 8.0), + REAL_CONST(40842.674005964131 / 8.0), + REAL_CONST(40861.629821331211 / 8.0), + REAL_CONST(40880.587835366234 / 8.0), + REAL_CONST(40899.548047559321 / 8.0), + REAL_CONST(40918.510457400931 / 8.0), + REAL_CONST(40937.475064381761 / 8.0), + REAL_CONST(40956.441867992849 / 8.0), + REAL_CONST(40975.410867725499 / 8.0), + REAL_CONST(40994.382063071331 / 8.0), + REAL_CONST(41013.355453522236 / 8.0), + REAL_CONST(41032.331038570417 / 8.0), + REAL_CONST(41051.308817708363 / 8.0), + REAL_CONST(41070.288790428858 / 8.0), + REAL_CONST(41089.270956224987 / 8.0), + REAL_CONST(41108.255314590111 / 8.0), + REAL_CONST(41127.241865017888 / 8.0), + REAL_CONST(41146.23060700229 / 8.0), + REAL_CONST(41165.221540037543 / 8.0), + REAL_CONST(41184.214663618193 / 8.0), + REAL_CONST(41203.209977239079 / 8.0), + REAL_CONST(41222.207480395307 / 8.0), + REAL_CONST(41241.207172582297 / 8.0), + REAL_CONST(41260.209053295752 / 8.0), + REAL_CONST(41279.213122031659 / 8.0), + REAL_CONST(41298.219378286303 / 8.0), + REAL_CONST(41317.227821556255 / 8.0), + REAL_CONST(41336.23845133838 / 8.0), + REAL_CONST(41355.251267129832 / 8.0), + REAL_CONST(41374.266268428037 / 8.0), + REAL_CONST(41393.283454730743 / 8.0), + REAL_CONST(41412.302825535953 / 8.0), + REAL_CONST(41431.324380341983 / 8.0), + REAL_CONST(41450.348118647416 / 8.0), + REAL_CONST(41469.374039951144 / 8.0), + REAL_CONST(41488.402143752326 / 8.0), + REAL_CONST(41507.432429550427 / 8.0), + REAL_CONST(41526.464896845187 / 8.0), + REAL_CONST(41545.499545136627 / 8.0), + REAL_CONST(41564.536373925075 / 8.0), + REAL_CONST(41583.575382711126 / 8.0), + REAL_CONST(41602.616570995662 / 8.0), + REAL_CONST(41621.659938279874 / 8.0), + REAL_CONST(41640.705484065205 / 8.0), + REAL_CONST(41659.753207853406 / 8.0), + REAL_CONST(41678.803109146495 / 8.0), + REAL_CONST(41697.855187446803 / 8.0), + REAL_CONST(41716.909442256911 / 8.0), + REAL_CONST(41735.965873079709 / 8.0), + REAL_CONST(41755.02447941836 / 8.0), + REAL_CONST(41774.085260776315 / 8.0), + REAL_CONST(41793.148216657297 / 8.0), + REAL_CONST(41812.213346565331 / 8.0), + REAL_CONST(41831.280650004708 / 8.0), + REAL_CONST(41850.350126480014 / 8.0), + REAL_CONST(41869.421775496106 / 8.0), + REAL_CONST(41888.495596558132 / 8.0), + REAL_CONST(41907.571589171515 / 8.0), + REAL_CONST(41926.649752841957 / 8.0), + REAL_CONST(41945.730087075463 / 8.0), + REAL_CONST(41964.812591378286 / 8.0), + REAL_CONST(41983.897265256979 / 8.0), + REAL_CONST(42002.984108218378 / 8.0), + REAL_CONST(42022.073119769593 / 8.0), + REAL_CONST(42041.164299418015 / 8.0), + REAL_CONST(42060.257646671307 / 8.0), + REAL_CONST(42079.353161037419 / 8.0), + REAL_CONST(42098.450842024591 / 8.0), + REAL_CONST(42117.550689141324 / 8.0), + REAL_CONST(42136.652701896404 / 8.0), + REAL_CONST(42155.756879798893 / 8.0), + REAL_CONST(42174.863222358137 / 8.0), + REAL_CONST(42193.971729083758 / 8.0), + REAL_CONST(42213.082399485655 / 8.0), + REAL_CONST(42232.195233074002 / 8.0), + REAL_CONST(42251.310229359246 / 8.0), + REAL_CONST(42270.427387852127 / 8.0), + REAL_CONST(42289.546708063644 / 8.0), + REAL_CONST(42308.668189505079 / 8.0), + REAL_CONST(42327.791831687995 / 8.0), + REAL_CONST(42346.917634124227 / 8.0), + REAL_CONST(42366.045596325886 / 8.0), + REAL_CONST(42385.175717805352 / 8.0), + REAL_CONST(42404.307998075295 / 8.0), + REAL_CONST(42423.442436648642 / 8.0), + REAL_CONST(42442.579033038608 / 8.0), + REAL_CONST(42461.717786758672 / 8.0), + REAL_CONST(42480.858697322597 / 8.0), + REAL_CONST(42500.001764244422 / 8.0), + REAL_CONST(42519.146987038446 / 8.0), + REAL_CONST(42538.294365219248 / 8.0), + REAL_CONST(42557.443898301688 / 8.0), + REAL_CONST(42576.595585800882 / 8.0), + REAL_CONST(42595.749427232236 / 8.0), + REAL_CONST(42614.90542211142 / 8.0), + REAL_CONST(42634.063569954378 / 8.0), + REAL_CONST(42653.223870277317 / 8.0), + REAL_CONST(42672.386322596729 / 8.0), + REAL_CONST(42691.55092642938 / 8.0), + REAL_CONST(42710.717681292292 / 8.0), + REAL_CONST(42729.886586702756 / 8.0), + REAL_CONST(42749.057642178363 / 8.0), + REAL_CONST(42768.23084723694 / 8.0), + REAL_CONST(42787.406201396603 / 8.0), + REAL_CONST(42806.58370417574 / 8.0), + REAL_CONST(42825.76335509299 / 8.0), + REAL_CONST(42844.945153667286 / 8.0), + REAL_CONST(42864.129099417805 / 8.0), + REAL_CONST(42883.315191864014 / 8.0), + REAL_CONST(42902.503430525649 / 8.0), + REAL_CONST(42921.693814922692 / 8.0), + REAL_CONST(42940.88634457541 / 8.0), + REAL_CONST(42960.081019004348 / 8.0), + REAL_CONST(42979.277837730297 / 8.0), + REAL_CONST(42998.476800274322 / 8.0), + REAL_CONST(43017.677906157769 / 8.0), + REAL_CONST(43036.881154902228 / 8.0), + REAL_CONST(43056.086546029583 / 8.0), + REAL_CONST(43075.294079061961 / 8.0), + REAL_CONST(43094.503753521763 / 8.0), + REAL_CONST(43113.715568931671 / 8.0), + REAL_CONST(43132.929524814601 / 8.0), + REAL_CONST(43152.145620693766 / 8.0), + REAL_CONST(43171.363856092619 / 8.0), + REAL_CONST(43190.584230534907 / 8.0), + REAL_CONST(43209.806743544621 / 8.0), + REAL_CONST(43229.031394646016 / 8.0), + REAL_CONST(43248.258183363621 / 8.0), + REAL_CONST(43267.487109222224 / 8.0), + REAL_CONST(43286.718171746885 / 8.0), + REAL_CONST(43305.951370462906 / 8.0), + REAL_CONST(43325.186704895881 / 8.0), + REAL_CONST(43344.42417457165 / 8.0), + REAL_CONST(43363.663779016322 / 8.0), + REAL_CONST(43382.905517756262 / 8.0), + REAL_CONST(43402.149390318104 / 8.0), + REAL_CONST(43421.395396228749 / 8.0), + REAL_CONST(43440.643535015348 / 8.0), + REAL_CONST(43459.89380620532 / 8.0), + REAL_CONST(43479.146209326354 / 8.0), + REAL_CONST(43498.400743906379 / 8.0), + REAL_CONST(43517.657409473606 / 8.0), + REAL_CONST(43536.916205556496 / 8.0), + REAL_CONST(43556.177131683784 / 8.0), + REAL_CONST(43575.44018738444 / 8.0), + REAL_CONST(43594.705372187724 / 8.0), + REAL_CONST(43613.972685623135 / 8.0), + REAL_CONST(43633.242127220445 / 8.0), + REAL_CONST(43652.513696509668 / 8.0), + REAL_CONST(43671.787393021099 / 8.0), + REAL_CONST(43691.063216285271 / 8.0), + REAL_CONST(43710.341165833001 / 8.0), + REAL_CONST(43729.621241195346 / 8.0), + REAL_CONST(43748.903441903625 / 8.0), + REAL_CONST(43768.187767489413 / 8.0), + REAL_CONST(43787.474217484552 / 8.0), + REAL_CONST(43806.762791421126 / 8.0), + REAL_CONST(43826.053488831501 / 8.0), + REAL_CONST(43845.346309248278 / 8.0), + REAL_CONST(43864.641252204325 / 8.0), + REAL_CONST(43883.938317232765 / 8.0), + REAL_CONST(43903.237503866971 / 8.0), + REAL_CONST(43922.538811640596 / 8.0), + REAL_CONST(43941.842240087513 / 8.0), + REAL_CONST(43961.147788741881 / 8.0), + REAL_CONST(43980.455457138101 / 8.0), + REAL_CONST(43999.765244810835 / 8.0), + REAL_CONST(44019.077151295001 / 8.0), + REAL_CONST(44038.391176125755 / 8.0), + REAL_CONST(44057.70731883854 / 8.0), + REAL_CONST(44077.02557896902 / 8.0), + REAL_CONST(44096.345956053141 / 8.0), + REAL_CONST(44115.668449627083 / 8.0), + REAL_CONST(44134.993059227287 / 8.0), + REAL_CONST(44154.319784390456 / 8.0), + REAL_CONST(44173.648624653535 / 8.0), + REAL_CONST(44192.979579553728 / 8.0), + REAL_CONST(44212.312648628489 / 8.0), + REAL_CONST(44231.647831415532 / 8.0), + REAL_CONST(44250.985127452805 / 8.0), + REAL_CONST(44270.324536278538 / 8.0), + REAL_CONST(44289.666057431183 / 8.0), + REAL_CONST(44309.009690449464 / 8.0), + REAL_CONST(44328.355434872348 / 8.0), + REAL_CONST(44347.703290239064 / 8.0), + REAL_CONST(44367.053256089079 / 8.0), + REAL_CONST(44386.405331962109 / 8.0), + REAL_CONST(44405.759517398139 / 8.0), + REAL_CONST(44425.115811937387 / 8.0), + REAL_CONST(44444.474215120332 / 8.0), + REAL_CONST(44463.834726487694 / 8.0), + REAL_CONST(44483.197345580462 / 8.0), + REAL_CONST(44502.562071939843 / 8.0), + REAL_CONST(44521.928905107328 / 8.0), + REAL_CONST(44541.297844624634 / 8.0), + REAL_CONST(44560.668890033732 / 8.0), + REAL_CONST(44580.042040876848 / 8.0), + REAL_CONST(44599.417296696454 / 8.0), + REAL_CONST(44618.794657035272 / 8.0), + REAL_CONST(44638.174121436256 / 8.0), + REAL_CONST(44657.555689442641 / 8.0), + REAL_CONST(44676.939360597877 / 8.0), + REAL_CONST(44696.325134445673 / 8.0), + REAL_CONST(44715.713010530002 / 8.0), + REAL_CONST(44735.102988395054 / 8.0), + REAL_CONST(44754.495067585296 / 8.0), + REAL_CONST(44773.88924764542 / 8.0), + REAL_CONST(44793.285528120374 / 8.0), + REAL_CONST(44812.683908555344 / 8.0), + REAL_CONST(44832.084388495779 / 8.0), + REAL_CONST(44851.486967487363 / 8.0), + REAL_CONST(44870.891645076015 / 8.0), + REAL_CONST(44890.298420807922 / 8.0), + REAL_CONST(44909.707294229491 / 8.0), + REAL_CONST(44929.118264887409 / 8.0), + REAL_CONST(44948.531332328566 / 8.0), + REAL_CONST(44967.946496100136 / 8.0), + REAL_CONST(44987.363755749502 / 8.0), + REAL_CONST(45006.783110824319 / 8.0), + REAL_CONST(45026.204560872473 / 8.0), + REAL_CONST(45045.628105442098 / 8.0), + REAL_CONST(45065.053744081561 / 8.0), + REAL_CONST(45084.48147633949 / 8.0), + REAL_CONST(45103.911301764747 / 8.0), + REAL_CONST(45123.343219906426 / 8.0), + REAL_CONST(45142.777230313885 / 8.0), + REAL_CONST(45162.21333253671 / 8.0), + REAL_CONST(45181.651526124733 / 8.0), + REAL_CONST(45201.091810628037 / 8.0), + REAL_CONST(45220.534185596924 / 8.0), + REAL_CONST(45239.978650581965 / 8.0), + REAL_CONST(45259.425205133957 / 8.0), + REAL_CONST(45278.873848803938 / 8.0), + REAL_CONST(45298.324581143192 / 8.0), + REAL_CONST(45317.777401703235 / 8.0), + REAL_CONST(45337.232310035848 / 8.0), + REAL_CONST(45356.68930569302 / 8.0), + REAL_CONST(45376.148388226997 / 8.0), + REAL_CONST(45395.60955719027 / 8.0), + REAL_CONST(45415.072812135557 / 8.0), + REAL_CONST(45434.538152615823 / 8.0), + REAL_CONST(45454.005578184282 / 8.0), + REAL_CONST(45473.475088394356 / 8.0), + REAL_CONST(45492.946682799746 / 8.0), + REAL_CONST(45512.420360954362 / 8.0), + REAL_CONST(45531.896122412363 / 8.0), + REAL_CONST(45551.373966728155 / 8.0), + REAL_CONST(45570.853893456362 / 8.0), + REAL_CONST(45590.33590215187 / 8.0), + REAL_CONST(45609.819992369776 / 8.0), + REAL_CONST(45629.306163665438 / 8.0), + REAL_CONST(45648.794415594442 / 8.0), + REAL_CONST(45668.284747712612 / 8.0), + REAL_CONST(45687.777159576006 / 8.0), + REAL_CONST(45707.27165074092 / 8.0), + REAL_CONST(45726.768220763894 / 8.0), + REAL_CONST(45746.266869201696 / 8.0), + REAL_CONST(45765.767595611323 / 8.0), + REAL_CONST(45785.270399550034 / 8.0), + REAL_CONST(45804.775280575297 / 8.0), + REAL_CONST(45824.282238244828 / 8.0), + REAL_CONST(45843.79127211657 / 8.0), + REAL_CONST(45863.302381748719 / 8.0), + REAL_CONST(45882.815566699683 / 8.0), + REAL_CONST(45902.33082652813 / 8.0), + REAL_CONST(45921.848160792935 / 8.0), + REAL_CONST(45941.367569053225 / 8.0), + REAL_CONST(45960.889050868354 / 8.0), + REAL_CONST(45980.41260579793 / 8.0), + REAL_CONST(45999.938233401757 / 8.0), + REAL_CONST(46019.465933239902 / 8.0), + REAL_CONST(46038.995704872657 / 8.0), + REAL_CONST(46058.527547860547 / 8.0), + REAL_CONST(46078.06146176433 / 8.0), + REAL_CONST(46097.597446144995 / 8.0), + REAL_CONST(46117.135500563774 / 8.0), + REAL_CONST(46136.675624582109 / 8.0), + REAL_CONST(46156.217817761702 / 8.0), + REAL_CONST(46175.762079664462 / 8.0), + REAL_CONST(46195.308409852543 / 8.0), + REAL_CONST(46214.856807888333 / 8.0), + REAL_CONST(46234.407273334444 / 8.0), + REAL_CONST(46253.959805753715 / 8.0), + REAL_CONST(46273.51440470924 / 8.0), + REAL_CONST(46293.071069764315 / 8.0), + REAL_CONST(46312.629800482478 / 8.0), + REAL_CONST(46332.190596427499 / 8.0), + REAL_CONST(46351.753457163381 / 8.0), + REAL_CONST(46371.318382254351 / 8.0), + REAL_CONST(46390.885371264863 / 8.0), + REAL_CONST(46410.45442375962 / 8.0), + REAL_CONST(46430.025539303526 / 8.0), + REAL_CONST(46449.598717461733 / 8.0), + REAL_CONST(46469.17395779962 / 8.0), + REAL_CONST(46488.751259882782 / 8.0), + REAL_CONST(46508.33062327707 / 8.0), + REAL_CONST(46527.912047548532 / 8.0), + REAL_CONST(46547.495532263471 / 8.0), + REAL_CONST(46567.081076988397 / 8.0), + REAL_CONST(46586.668681290059 / 8.0), + REAL_CONST(46606.258344735434 / 8.0), + REAL_CONST(46625.850066891719 / 8.0), + REAL_CONST(46645.443847326351 / 8.0), + REAL_CONST(46665.039685606986 / 8.0), + REAL_CONST(46684.637581301497 / 8.0), + REAL_CONST(46704.237533978005 / 8.0), + REAL_CONST(46723.839543204842 / 8.0), + REAL_CONST(46743.443608550573 / 8.0), + REAL_CONST(46763.049729583989 / 8.0), + REAL_CONST(46782.657905874104 / 8.0), + REAL_CONST(46802.268136990162 / 8.0), + REAL_CONST(46821.880422501628 / 8.0), + REAL_CONST(46841.494761978196 / 8.0), + REAL_CONST(46861.111154989776 / 8.0), + REAL_CONST(46880.729601106526 / 8.0), + REAL_CONST(46900.350099898795 / 8.0), + REAL_CONST(46919.97265093719 / 8.0), + REAL_CONST(46939.597253792526 / 8.0), + REAL_CONST(46959.223908035841 / 8.0), + REAL_CONST(46978.852613238392 / 8.0), + REAL_CONST(46998.483368971691 / 8.0), + REAL_CONST(47018.11617480743 / 8.0), + REAL_CONST(47037.751030317551 / 8.0), + REAL_CONST(47057.387935074221 / 8.0), + REAL_CONST(47077.026888649809 / 8.0), + REAL_CONST(47096.66789061694 / 8.0), + REAL_CONST(47116.310940548428 / 8.0), + REAL_CONST(47135.956038017328 / 8.0), + REAL_CONST(47155.603182596918 / 8.0), + REAL_CONST(47175.252373860698 / 8.0), + REAL_CONST(47194.903611382375 / 8.0), + REAL_CONST(47214.556894735892 / 8.0), + REAL_CONST(47234.212223495422 / 8.0), + REAL_CONST(47253.869597235338 / 8.0), + REAL_CONST(47273.52901553025 / 8.0), + REAL_CONST(47293.19047795498 / 8.0), + REAL_CONST(47312.853984084577 / 8.0), + REAL_CONST(47332.519533494306 / 8.0), + REAL_CONST(47352.187125759658 / 8.0), + REAL_CONST(47371.856760456343 / 8.0), + REAL_CONST(47391.528437160297 / 8.0), + REAL_CONST(47411.202155447652 / 8.0), + REAL_CONST(47430.877914894787 / 8.0), + REAL_CONST(47450.555715078299 / 8.0), + REAL_CONST(47470.235555574982 / 8.0), + REAL_CONST(47489.917435961863 / 8.0), + REAL_CONST(47509.601355816201 / 8.0), + REAL_CONST(47529.287314715453 / 8.0), + REAL_CONST(47548.975312237308 / 8.0), + REAL_CONST(47568.665347959672 / 8.0), + REAL_CONST(47588.357421460656 / 8.0), + REAL_CONST(47608.051532318605 / 8.0), + REAL_CONST(47627.747680112072 / 8.0), + REAL_CONST(47647.445864419846 / 8.0), + REAL_CONST(47667.14608482091 / 8.0), + REAL_CONST(47686.848340894474 / 8.0), + REAL_CONST(47706.552632219973 / 8.0), + REAL_CONST(47726.258958377046 / 8.0), + REAL_CONST(47745.967318945557 / 8.0), + REAL_CONST(47765.677713505589 / 8.0), + REAL_CONST(47785.390141637428 / 8.0), + REAL_CONST(47805.104602921601 / 8.0), + REAL_CONST(47824.821096938824 / 8.0), + REAL_CONST(47844.539623270044 / 8.0), + REAL_CONST(47864.260181496429 / 8.0), + REAL_CONST(47883.982771199349 / 8.0), + REAL_CONST(47903.707391960394 / 8.0), + REAL_CONST(47923.434043361369 / 8.0), + REAL_CONST(47943.162724984308 / 8.0), + REAL_CONST(47962.893436411439 / 8.0), + REAL_CONST(47982.626177225218 / 8.0), + REAL_CONST(48002.36094700831 / 8.0), + REAL_CONST(48022.097745343599 / 8.0), + REAL_CONST(48041.836571814172 / 8.0), + REAL_CONST(48061.57742600335 / 8.0), + REAL_CONST(48081.32030749465 / 8.0), + REAL_CONST(48101.065215871815 / 8.0), + REAL_CONST(48120.81215071879 / 8.0), + REAL_CONST(48140.56111161974 / 8.0), + REAL_CONST(48160.312098159047 / 8.0), + REAL_CONST(48180.065109921306 / 8.0), + REAL_CONST(48199.820146491307 / 8.0), + REAL_CONST(48219.577207454073 / 8.0), + REAL_CONST(48239.336292394844 / 8.0), + REAL_CONST(48259.097400899045 / 8.0), + REAL_CONST(48278.860532552339 / 8.0), + REAL_CONST(48298.625686940592 / 8.0), + REAL_CONST(48318.392863649875 / 8.0), + REAL_CONST(48338.162062266485 / 8.0), + REAL_CONST(48357.933282376915 / 8.0), + REAL_CONST(48377.706523567889 / 8.0), + REAL_CONST(48397.481785426316 / 8.0), + REAL_CONST(48417.259067539344 / 8.0), + REAL_CONST(48437.038369494308 / 8.0), + REAL_CONST(48456.819690878765 / 8.0), + REAL_CONST(48476.603031280487 / 8.0), + REAL_CONST(48496.388390287451 / 8.0), + REAL_CONST(48516.175767487839 / 8.0), + REAL_CONST(48535.965162470042 / 8.0), + REAL_CONST(48555.756574822684 / 8.0), + REAL_CONST(48575.550004134566 / 8.0), + REAL_CONST(48595.345449994718 / 8.0), + REAL_CONST(48615.142911992378 / 8.0), + REAL_CONST(48634.942389716991 / 8.0), + REAL_CONST(48654.743882758201 / 8.0), + REAL_CONST(48674.547390705877 / 8.0), + REAL_CONST(48694.352913150084 / 8.0), + REAL_CONST(48714.160449681112 / 8.0), + REAL_CONST(48733.969999889443 / 8.0), + REAL_CONST(48753.781563365759 / 8.0), + REAL_CONST(48773.595139700978 / 8.0), + REAL_CONST(48793.410728486211 / 8.0), + REAL_CONST(48813.228329312769 / 8.0), + REAL_CONST(48833.047941772187 / 8.0), + REAL_CONST(48852.869565456189 / 8.0), + REAL_CONST(48872.693199956717 / 8.0), + REAL_CONST(48892.518844865925 / 8.0), + REAL_CONST(48912.346499776155 / 8.0), + REAL_CONST(48932.176164279976 / 8.0), + REAL_CONST(48952.007837970152 / 8.0), + REAL_CONST(48971.841520439666 / 8.0), + REAL_CONST(48991.677211281676 / 8.0), + REAL_CONST(49011.514910089587 / 8.0), + REAL_CONST(49031.354616456978 / 8.0), + REAL_CONST(49051.196329977654 / 8.0), + REAL_CONST(49071.04005024561 / 8.0), + REAL_CONST(49090.885776855059 / 8.0), + REAL_CONST(49110.733509400408 / 8.0), + REAL_CONST(49130.583247476279 / 8.0), + REAL_CONST(49150.434990677488 / 8.0), + REAL_CONST(49170.288738599062 / 8.0), + REAL_CONST(49190.144490836232 / 8.0), + REAL_CONST(49210.002246984441 / 8.0), + REAL_CONST(49229.86200663932 / 8.0), + REAL_CONST(49249.723769396718 / 8.0), + REAL_CONST(49269.587534852675 / 8.0), + REAL_CONST(49289.453302603448 / 8.0), + REAL_CONST(49309.32107224549 / 8.0), + REAL_CONST(49329.190843375451 / 8.0), + REAL_CONST(49349.062615590192 / 8.0), + REAL_CONST(49368.936388486785 / 8.0), + REAL_CONST(49388.812161662492 / 8.0), + REAL_CONST(49408.689934714785 / 8.0), + REAL_CONST(49428.569707241324 / 8.0), + REAL_CONST(49448.45147883999 / 8.0), + REAL_CONST(49468.335249108866 / 8.0), + REAL_CONST(49488.22101764621 / 8.0), + REAL_CONST(49508.108784050521 / 8.0), + REAL_CONST(49527.99854792047 / 8.0), + REAL_CONST(49547.890308854934 / 8.0), + REAL_CONST(49567.784066453009 / 8.0), + REAL_CONST(49587.679820313977 / 8.0), + REAL_CONST(49607.57757003732 / 8.0), + REAL_CONST(49627.477315222721 / 8.0), + REAL_CONST(49647.379055470075 / 8.0), + REAL_CONST(49667.28279037946 / 8.0), + REAL_CONST(49687.188519551179 / 8.0), + REAL_CONST(49707.096242585707 / 8.0), + REAL_CONST(49727.005959083741 / 8.0), + REAL_CONST(49746.917668646165 / 8.0), + REAL_CONST(49766.831370874068 / 8.0), + REAL_CONST(49786.747065368734 / 8.0), + REAL_CONST(49806.66475173166 / 8.0), + REAL_CONST(49826.584429564515 / 8.0), + REAL_CONST(49846.506098469203 / 8.0), + REAL_CONST(49866.429758047794 / 8.0), + REAL_CONST(49886.355407902578 / 8.0), + REAL_CONST(49906.283047636032 / 8.0), + REAL_CONST(49926.212676850846 / 8.0), + REAL_CONST(49946.144295149883 / 8.0), + REAL_CONST(49966.077902136225 / 8.0), + REAL_CONST(49986.013497413151 / 8.0), + REAL_CONST(50005.951080584135 / 8.0), + REAL_CONST(50025.890651252834 / 8.0), + REAL_CONST(50045.832209023123 / 8.0), + REAL_CONST(50065.775753499074 / 8.0), + REAL_CONST(50085.721284284933 / 8.0), + REAL_CONST(50105.668800985164 / 8.0), + REAL_CONST(50125.618303204428 / 8.0), + REAL_CONST(50145.569790547575 / 8.0), + REAL_CONST(50165.523262619652 / 8.0), + REAL_CONST(50185.478719025901 / 8.0), + REAL_CONST(50205.436159371769 / 8.0), + REAL_CONST(50225.395583262893 / 8.0), + REAL_CONST(50245.356990305103 / 8.0), + REAL_CONST(50265.320380104429 / 8.0), + REAL_CONST(50285.285752267104 / 8.0), + REAL_CONST(50305.253106399534 / 8.0), + REAL_CONST(50325.222442108337 / 8.0), + REAL_CONST(50345.193759000336 / 8.0), + REAL_CONST(50365.16705668252 / 8.0), + REAL_CONST(50385.142334762102 / 8.0), + REAL_CONST(50405.119592846473 / 8.0), + REAL_CONST(50425.098830543218 / 8.0), + REAL_CONST(50445.080047460127 / 8.0), + REAL_CONST(50465.063243205179 / 8.0), + REAL_CONST(50485.048417386541 / 8.0), + REAL_CONST(50505.035569612577 / 8.0), + REAL_CONST(50525.024699491856 / 8.0), + REAL_CONST(50545.015806633128 / 8.0), + REAL_CONST(50565.008890645338 / 8.0), + REAL_CONST(50585.003951137631 / 8.0), + REAL_CONST(50605.00098771933 / 8.0), + REAL_CONST(50624.999999999971 / 8.0), + REAL_CONST(50645.000987589265 / 8.0), + REAL_CONST(50665.003950097132 / 8.0), + REAL_CONST(50685.008887133677 / 8.0), + REAL_CONST(50705.015798309192 / 8.0), + REAL_CONST(50725.024683234165 / 8.0), + REAL_CONST(50745.035541519283 / 8.0), + REAL_CONST(50765.048372775411 / 8.0), + REAL_CONST(50785.063176613621 / 8.0), + REAL_CONST(50805.079952645159 / 8.0), + REAL_CONST(50825.098700481489 / 8.0), + REAL_CONST(50845.119419734241 / 8.0), + REAL_CONST(50865.142110015244 / 8.0), + REAL_CONST(50885.166770936521 / 8.0), + REAL_CONST(50905.193402110279 / 8.0), + REAL_CONST(50925.222003148934 / 8.0), + REAL_CONST(50945.252573665071 / 8.0), + REAL_CONST(50965.285113271471 / 8.0), + REAL_CONST(50985.319621581119 / 8.0), + REAL_CONST(51005.356098207172 / 8.0), + REAL_CONST(51025.394542762981 / 8.0), + REAL_CONST(51045.434954862096 / 8.0), + REAL_CONST(51065.477334118244 / 8.0), + REAL_CONST(51085.521680145357 / 8.0), + REAL_CONST(51105.567992557546 / 8.0), + REAL_CONST(51125.616270969113 / 8.0), + REAL_CONST(51145.66651499454 / 8.0), + REAL_CONST(51165.718724248516 / 8.0), + REAL_CONST(51185.772898345916 / 8.0), + REAL_CONST(51205.829036901778 / 8.0), + REAL_CONST(51225.887139531362 / 8.0), + REAL_CONST(51245.947205850105 / 8.0), + REAL_CONST(51266.009235473619 / 8.0), + REAL_CONST(51286.073228017718 / 8.0), + REAL_CONST(51306.139183098399 / 8.0), + REAL_CONST(51326.207100331856 / 8.0), + REAL_CONST(51346.276979334456 / 8.0), + REAL_CONST(51366.348819722756 / 8.0), + REAL_CONST(51386.42262111351 / 8.0), + REAL_CONST(51406.498383123653 / 8.0), + REAL_CONST(51426.57610537031 / 8.0), + REAL_CONST(51446.655787470787 / 8.0), + REAL_CONST(51466.737429042587 / 8.0), + REAL_CONST(51486.82102970338 / 8.0), + REAL_CONST(51506.906589071048 / 8.0), + REAL_CONST(51526.994106763632 / 8.0), + REAL_CONST(51547.083582399391 / 8.0), + REAL_CONST(51567.175015596738 / 8.0), + REAL_CONST(51587.268405974297 / 8.0), + REAL_CONST(51607.363753150858 / 8.0), + REAL_CONST(51627.461056745415 / 8.0), + REAL_CONST(51647.56031637713 / 8.0), + REAL_CONST(51667.661531665362 / 8.0), + REAL_CONST(51687.764702229651 / 8.0), + REAL_CONST(51707.869827689727 / 8.0), + REAL_CONST(51727.976907665499 / 8.0), + REAL_CONST(51748.085941777055 / 8.0), + REAL_CONST(51768.196929644677 / 8.0), + REAL_CONST(51788.309870888836 / 8.0), + REAL_CONST(51808.42476513017 / 8.0), + REAL_CONST(51828.541611989524 / 8.0), + REAL_CONST(51848.660411087905 / 8.0), + REAL_CONST(51868.781162046515 / 8.0), + REAL_CONST(51888.90386448674 / 8.0), + REAL_CONST(51909.028518030143 / 8.0), + REAL_CONST(51929.155122298485 / 8.0), + REAL_CONST(51949.283676913685 / 8.0), + REAL_CONST(51969.414181497872 / 8.0), + REAL_CONST(51989.546635673345 / 8.0), + REAL_CONST(52009.681039062583 / 8.0), + REAL_CONST(52029.817391288263 / 8.0), + REAL_CONST(52049.955691973213 / 8.0), + REAL_CONST(52070.095940740481 / 8.0), + REAL_CONST(52090.238137213273 / 8.0), + REAL_CONST(52110.382281014987 / 8.0), + REAL_CONST(52130.5283717692 / 8.0), + REAL_CONST(52150.676409099666 / 8.0), + REAL_CONST(52170.826392630333 / 8.0), + REAL_CONST(52190.97832198532 / 8.0), + REAL_CONST(52211.132196788931 / 8.0), + REAL_CONST(52231.288016665654 / 8.0), + REAL_CONST(52251.445781240145 / 8.0), + REAL_CONST(52271.60549013727 / 8.0), + REAL_CONST(52291.76714298204 / 8.0), + REAL_CONST(52311.930739399664 / 8.0), + REAL_CONST(52332.096279015546 / 8.0), + REAL_CONST(52352.263761455244 / 8.0), + REAL_CONST(52372.433186344519 / 8.0), + REAL_CONST(52392.604553309284 / 8.0), + REAL_CONST(52412.777861975665 / 8.0), + REAL_CONST(52432.953111969946 / 8.0), + REAL_CONST(52453.130302918595 / 8.0), + REAL_CONST(52473.309434448267 / 8.0), + REAL_CONST(52493.490506185793 / 8.0), + REAL_CONST(52513.67351775818 / 8.0), + REAL_CONST(52533.858468792605 / 8.0), + REAL_CONST(52554.045358916446 / 8.0), + REAL_CONST(52574.234187757254 / 8.0), + REAL_CONST(52594.42495494274 / 8.0), + REAL_CONST(52614.617660100812 / 8.0), + REAL_CONST(52634.812302859558 / 8.0), + REAL_CONST(52655.008882847229 / 8.0), + REAL_CONST(52675.20739969227 / 8.0), + REAL_CONST(52695.407853023295 / 8.0), + REAL_CONST(52715.610242469098 / 8.0), + REAL_CONST(52735.814567658657 / 8.0), + REAL_CONST(52756.02082822111 / 8.0), + REAL_CONST(52776.229023785803 / 8.0), + REAL_CONST(52796.439153982225 / 8.0), + REAL_CONST(52816.651218440056 / 8.0), + REAL_CONST(52836.865216789171 / 8.0), + REAL_CONST(52857.081148659599 / 8.0), + REAL_CONST(52877.29901368155 / 8.0), + REAL_CONST(52897.518811485425 / 8.0), + REAL_CONST(52917.740541701773 / 8.0), + REAL_CONST(52937.964203961354 / 8.0), + REAL_CONST(52958.18979789508 / 8.0), + REAL_CONST(52978.417323134046 / 8.0), + REAL_CONST(52998.646779309529 / 8.0), + REAL_CONST(53018.878166052978 / 8.0), + REAL_CONST(53039.111482996006 / 8.0), + REAL_CONST(53059.346729770419 / 8.0), + REAL_CONST(53079.583906008193 / 8.0), + REAL_CONST(53099.823011341483 / 8.0), + REAL_CONST(53120.0640454026 / 8.0), + REAL_CONST(53140.307007824063 / 8.0), + REAL_CONST(53160.551898238533 / 8.0), + REAL_CONST(53180.79871627887 / 8.0), + REAL_CONST(53201.047461578091 / 8.0), + REAL_CONST(53221.2981337694 / 8.0), + REAL_CONST(53241.550732486176 / 8.0), + REAL_CONST(53261.805257361964 / 8.0), + REAL_CONST(53282.061708030487 / 8.0), + REAL_CONST(53302.32008412564 / 8.0), + REAL_CONST(53322.580385281493 / 8.0), + REAL_CONST(53342.842611132299 / 8.0), + REAL_CONST(53363.106761312469 / 8.0), + REAL_CONST(53383.372835456597 / 8.0), + REAL_CONST(53403.640833199453 / 8.0), + REAL_CONST(53423.910754175973 / 8.0), + REAL_CONST(53444.18259802126 / 8.0), + REAL_CONST(53464.456364370613 / 8.0), + REAL_CONST(53484.732052859479 / 8.0), + REAL_CONST(53505.009663123499 / 8.0), + REAL_CONST(53525.289194798468 / 8.0), + REAL_CONST(53545.570647520362 / 8.0), + REAL_CONST(53565.854020925333 / 8.0), + REAL_CONST(53586.139314649699 / 8.0), + REAL_CONST(53606.426528329954 / 8.0), + REAL_CONST(53626.715661602764 / 8.0), + REAL_CONST(53647.006714104959 / 8.0), + REAL_CONST(53667.299685473547 / 8.0), + REAL_CONST(53687.59457534572 / 8.0), + REAL_CONST(53707.891383358816 / 8.0), + REAL_CONST(53728.190109150361 / 8.0), + REAL_CONST(53748.490752358055 / 8.0), + REAL_CONST(53768.793312619753 / 8.0), + REAL_CONST(53789.09778957349 / 8.0), + REAL_CONST(53809.404182857485 / 8.0), + REAL_CONST(53829.712492110106 / 8.0), + REAL_CONST(53850.022716969899 / 8.0), + REAL_CONST(53870.334857075584 / 8.0), + REAL_CONST(53890.648912066055 / 8.0), + REAL_CONST(53910.964881580367 / 8.0), + REAL_CONST(53931.28276525774 / 8.0), + REAL_CONST(53951.602562737586 / 8.0), + REAL_CONST(53971.924273659461 / 8.0), + REAL_CONST(53992.24789766311 / 8.0), + REAL_CONST(54012.57343438844 / 8.0), + REAL_CONST(54032.90088347553 / 8.0), + REAL_CONST(54053.23024456462 / 8.0), + REAL_CONST(54073.561517296133 / 8.0), + REAL_CONST(54093.894701310644 / 8.0), + REAL_CONST(54114.22979624891 / 8.0), + REAL_CONST(54134.566801751855 / 8.0), + REAL_CONST(54154.90571746057 / 8.0), + REAL_CONST(54175.246543016314 / 8.0), + REAL_CONST(54195.589278060506 / 8.0), + REAL_CONST(54215.933922234755 / 8.0), + REAL_CONST(54236.280475180814 / 8.0), + REAL_CONST(54256.628936540626 / 8.0), + REAL_CONST(54276.97930595628 / 8.0), + REAL_CONST(54297.331583070045 / 8.0), + REAL_CONST(54317.685767524359 / 8.0), + REAL_CONST(54338.041858961828 / 8.0), + REAL_CONST(54358.399857025215 / 8.0), + REAL_CONST(54378.759761357462 / 8.0), + REAL_CONST(54399.121571601667 / 8.0), + REAL_CONST(54419.485287401105 / 8.0), + REAL_CONST(54439.850908399218 / 8.0), + REAL_CONST(54460.218434239614 / 8.0), + REAL_CONST(54480.587864566056 / 8.0), + REAL_CONST(54500.95919902248 / 8.0), + REAL_CONST(54521.332437252997 / 8.0), + REAL_CONST(54541.707578901878 / 8.0), + REAL_CONST(54562.084623613555 / 8.0), + REAL_CONST(54582.46357103264 / 8.0), + REAL_CONST(54602.844420803893 / 8.0), + REAL_CONST(54623.227172572246 / 8.0), + REAL_CONST(54643.611825982807 / 8.0), + REAL_CONST(54663.998380680838 / 8.0), + REAL_CONST(54684.386836311773 / 8.0), + REAL_CONST(54704.777192521207 / 8.0), + REAL_CONST(54725.169448954897 / 8.0), + REAL_CONST(54745.563605258772 / 8.0), + REAL_CONST(54765.959661078923 / 8.0), + REAL_CONST(54786.357616061614 / 8.0), + REAL_CONST(54806.757469853255 / 8.0), + REAL_CONST(54827.159222100439 / 8.0), + REAL_CONST(54847.562872449904 / 8.0), + REAL_CONST(54867.968420548583 / 8.0), + REAL_CONST(54888.375866043534 / 8.0), + REAL_CONST(54908.785208582012 / 8.0), + REAL_CONST(54929.196447811417 / 8.0), + REAL_CONST(54949.609583379322 / 8.0), + REAL_CONST(54970.024614933463 / 8.0), + REAL_CONST(54990.441542121727 / 8.0), + REAL_CONST(55010.86036459219 / 8.0), + REAL_CONST(55031.28108199306 / 8.0), + REAL_CONST(55051.703693972733 / 8.0), + REAL_CONST(55072.128200179759 / 8.0), + REAL_CONST(55092.554600262847 / 8.0), + REAL_CONST(55112.982893870874 / 8.0), + REAL_CONST(55133.413080652877 / 8.0), + REAL_CONST(55153.845160258061 / 8.0), + REAL_CONST(55174.279132335789 / 8.0), + REAL_CONST(55194.714996535586 / 8.0), + REAL_CONST(55215.152752507143 / 8.0), + REAL_CONST(55235.592399900306 / 8.0), + REAL_CONST(55256.033938365079 / 8.0), + REAL_CONST(55276.477367551655 / 8.0), + REAL_CONST(55296.92268711036 / 8.0), + REAL_CONST(55317.369896691685 / 8.0), + REAL_CONST(55337.818995946305 / 8.0), + REAL_CONST(55358.269984525024 / 8.0), + REAL_CONST(55378.72286207883 / 8.0), + REAL_CONST(55399.177628258869 / 8.0), + REAL_CONST(55419.634282716441 / 8.0), + REAL_CONST(55440.092825103013 / 8.0), + REAL_CONST(55460.553255070205 / 8.0), + REAL_CONST(55481.015572269804 / 8.0), + REAL_CONST(55501.479776353764 / 8.0), + REAL_CONST(55521.945866974187 / 8.0), + REAL_CONST(55542.413843783339 / 8.0), + REAL_CONST(55562.883706433655 / 8.0), + REAL_CONST(55583.355454577715 / 8.0), + REAL_CONST(55603.82908786826 / 8.0), + REAL_CONST(55624.304605958219 / 8.0), + REAL_CONST(55644.782008500639 / 8.0), + REAL_CONST(55665.261295148754 / 8.0), + REAL_CONST(55685.742465555952 / 8.0), + REAL_CONST(55706.225519375774 / 8.0), + REAL_CONST(55726.710456261928 / 8.0), + REAL_CONST(55747.197275868275 / 8.0), + REAL_CONST(55767.685977848843 / 8.0), + REAL_CONST(55788.176561857814 / 8.0), + REAL_CONST(55808.669027549528 / 8.0), + REAL_CONST(55829.163374578478 / 8.0), + REAL_CONST(55849.659602599328 / 8.0), + REAL_CONST(55870.157711266889 / 8.0), + REAL_CONST(55890.657700236145 / 8.0), + REAL_CONST(55911.159569162221 / 8.0), + REAL_CONST(55931.663317700411 / 8.0), + REAL_CONST(55952.168945506164 / 8.0), + REAL_CONST(55972.676452235086 / 8.0), + REAL_CONST(55993.185837542944 / 8.0), + REAL_CONST(56013.697101085651 / 8.0), + REAL_CONST(56034.210242519301 / 8.0), + REAL_CONST(56054.72526150012 / 8.0), + REAL_CONST(56075.242157684508 / 8.0), + REAL_CONST(56095.760930729011 / 8.0), + REAL_CONST(56116.281580290342 / 8.0), + REAL_CONST(56136.804106025367 / 8.0), + REAL_CONST(56157.328507591104 / 8.0), + REAL_CONST(56177.85478464474 / 8.0), + REAL_CONST(56198.382936843598 / 8.0), + REAL_CONST(56218.912963845185 / 8.0), + REAL_CONST(56239.444865307138 / 8.0), + REAL_CONST(56259.978640887268 / 8.0), + REAL_CONST(56280.514290243525 / 8.0), + REAL_CONST(56301.051813034042 / 8.0), + REAL_CONST(56321.591208917082 / 8.0), + REAL_CONST(56342.13247755108 / 8.0), + REAL_CONST(56362.675618594607 / 8.0), + REAL_CONST(56383.220631706419 / 8.0), + REAL_CONST(56403.767516545398 / 8.0), + REAL_CONST(56424.316272770608 / 8.0), + REAL_CONST(56444.866900041241 / 8.0), + REAL_CONST(56465.419398016667 / 8.0), + REAL_CONST(56485.973766356394 / 8.0), + REAL_CONST(56506.530004720102 / 8.0), + REAL_CONST(56527.088112767611 / 8.0), + REAL_CONST(56547.648090158902 / 8.0), + REAL_CONST(56568.209936554107 / 8.0), + REAL_CONST(56588.773651613519 / 8.0), + REAL_CONST(56609.339234997584 / 8.0), + REAL_CONST(56629.9066863669 / 8.0), + REAL_CONST(56650.47600538221 / 8.0), + REAL_CONST(56671.04719170442 / 8.0), + REAL_CONST(56691.620244994599 / 8.0), + REAL_CONST(56712.195164913959 / 8.0), + REAL_CONST(56732.771951123868 / 8.0), + REAL_CONST(56753.350603285835 / 8.0), + REAL_CONST(56773.931121061541 / 8.0), + REAL_CONST(56794.513504112823 / 8.0), + REAL_CONST(56815.097752101647 / 8.0), + REAL_CONST(56835.683864690152 / 8.0), + REAL_CONST(56856.271841540627 / 8.0), + REAL_CONST(56876.86168231551 / 8.0), + REAL_CONST(56897.453386677393 / 8.0), + REAL_CONST(56918.046954289028 / 8.0), + REAL_CONST(56938.642384813298 / 8.0), + REAL_CONST(56959.239677913261 / 8.0), + REAL_CONST(56979.838833252121 / 8.0), + REAL_CONST(57000.439850493225 / 8.0), + REAL_CONST(57021.04272930009 / 8.0), + REAL_CONST(57041.647469336371 / 8.0), + REAL_CONST(57062.254070265873 / 8.0), + REAL_CONST(57082.862531752558 / 8.0), + REAL_CONST(57103.472853460553 / 8.0), + REAL_CONST(57124.085035054108 / 8.0), + REAL_CONST(57144.699076197649 / 8.0), + REAL_CONST(57165.314976555739 / 8.0), + REAL_CONST(57185.932735793103 / 8.0), + REAL_CONST(57206.552353574611 / 8.0), + REAL_CONST(57227.173829565276 / 8.0), + REAL_CONST(57247.797163430281 / 8.0), + REAL_CONST(57268.42235483494 / 8.0), + REAL_CONST(57289.049403444733 / 8.0), + REAL_CONST(57309.678308925286 / 8.0), + REAL_CONST(57330.30907094237 / 8.0), + REAL_CONST(57350.941689161911 / 8.0), + REAL_CONST(57371.576163249985 / 8.0), + REAL_CONST(57392.212492872815 / 8.0), + REAL_CONST(57412.850677696784 / 8.0), + REAL_CONST(57433.490717388406 / 8.0), + REAL_CONST(57454.132611614368 / 8.0), + REAL_CONST(57474.776360041491 / 8.0), + REAL_CONST(57495.421962336746 / 8.0), + REAL_CONST(57516.069418167266 / 8.0), + REAL_CONST(57536.718727200314 / 8.0), + REAL_CONST(57557.36988910332 / 8.0), + REAL_CONST(57578.022903543861 / 8.0), + REAL_CONST(57598.677770189643 / 8.0), + REAL_CONST(57619.334488708548 / 8.0), + REAL_CONST(57639.993058768589 / 8.0), + REAL_CONST(57660.653480037938 / 8.0), + REAL_CONST(57681.315752184906 / 8.0), + REAL_CONST(57701.979874877965 / 8.0), + REAL_CONST(57722.64584778573 / 8.0), + REAL_CONST(57743.31367057695 / 8.0), + REAL_CONST(57763.983342920546 / 8.0), + REAL_CONST(57784.654864485572 / 8.0), + REAL_CONST(57805.328234941233 / 8.0), + REAL_CONST(57826.003453956881 / 8.0), + REAL_CONST(57846.680521202026 / 8.0), + REAL_CONST(57867.359436346305 / 8.0), + REAL_CONST(57888.040199059527 / 8.0), + REAL_CONST(57908.722809011633 / 8.0), + REAL_CONST(57929.407265872709 / 8.0), + REAL_CONST(57950.093569313001 / 8.0), + REAL_CONST(57970.781719002895 / 8.0), + REAL_CONST(57991.471714612911 / 8.0), + REAL_CONST(58012.16355581375 / 8.0), + REAL_CONST(58032.857242276223 / 8.0), + REAL_CONST(58053.552773671312 / 8.0), + REAL_CONST(58074.25014967013 / 8.0), + REAL_CONST(58094.949369943948 / 8.0), + REAL_CONST(58115.650434164185 / 8.0), + REAL_CONST(58136.353342002389 / 8.0), + REAL_CONST(58157.058093130276 / 8.0), + REAL_CONST(58177.764687219693 / 8.0), + REAL_CONST(58198.47312394264 / 8.0), + REAL_CONST(58219.183402971255 / 8.0), + REAL_CONST(58239.895523977837 / 8.0), + REAL_CONST(58260.609486634821 / 8.0), + REAL_CONST(58281.325290614775 / 8.0), + REAL_CONST(58302.042935590434 / 8.0), + REAL_CONST(58322.762421234678 / 8.0), + REAL_CONST(58343.483747220511 / 8.0), + REAL_CONST(58364.206913221096 / 8.0), + REAL_CONST(58384.931918909751 / 8.0), + REAL_CONST(58405.658763959924 / 8.0), + REAL_CONST(58426.3874480452 / 8.0), + REAL_CONST(58447.117970839339 / 8.0), + REAL_CONST(58467.85033201622 / 8.0), + REAL_CONST(58488.584531249864 / 8.0), + REAL_CONST(58509.320568214462 / 8.0), + REAL_CONST(58530.058442584334 / 8.0), + REAL_CONST(58550.798154033931 / 8.0), + REAL_CONST(58571.539702237875 / 8.0), + REAL_CONST(58592.283086870906 / 8.0), + REAL_CONST(58613.028307607929 / 8.0), + REAL_CONST(58633.775364123983 / 8.0), + REAL_CONST(58654.52425609425 / 8.0), + REAL_CONST(58675.274983194053 / 8.0), + REAL_CONST(58696.027545098877 / 8.0), + REAL_CONST(58716.781941484325 / 8.0), + REAL_CONST(58737.538172026158 / 8.0), + REAL_CONST(58758.296236400274 / 8.0), + REAL_CONST(58779.056134282728 / 8.0), + REAL_CONST(58799.817865349694 / 8.0), + REAL_CONST(58820.581429277503 / 8.0), + REAL_CONST(58841.346825742643 / 8.0), + REAL_CONST(58862.114054421712 / 8.0), + REAL_CONST(58882.883114991484 / 8.0), + REAL_CONST(58903.654007128847 / 8.0), + REAL_CONST(58924.426730510851 / 8.0), + REAL_CONST(58945.201284814684 / 8.0), + REAL_CONST(58965.977669717664 / 8.0), + REAL_CONST(58986.755884897269 / 8.0), + REAL_CONST(59007.535930031117 / 8.0), + REAL_CONST(59028.317804796949 / 8.0), + REAL_CONST(59049.101508872664 / 8.0), + REAL_CONST(59069.887041936301 / 8.0), + REAL_CONST(59090.674403666046 / 8.0), + REAL_CONST(59111.463593740213 / 8.0), + REAL_CONST(59132.254611837263 / 8.0), + REAL_CONST(59153.047457635803 / 8.0), + REAL_CONST(59173.84213081457 / 8.0), + REAL_CONST(59194.638631052461 / 8.0), + REAL_CONST(59215.436958028506 / 8.0), + REAL_CONST(59236.237111421855 / 8.0), + REAL_CONST(59257.039090911829 / 8.0), + REAL_CONST(59277.842896177877 / 8.0), + REAL_CONST(59298.648526899589 / 8.0), + REAL_CONST(59319.455982756685 / 8.0), + REAL_CONST(59340.26526342905 / 8.0), + REAL_CONST(59361.076368596696 / 8.0), + REAL_CONST(59381.889297939757 / 8.0), + REAL_CONST(59402.704051138542 / 8.0), + REAL_CONST(59423.520627873484 / 8.0), + REAL_CONST(59444.339027825139 / 8.0), + REAL_CONST(59465.159250674224 / 8.0), + REAL_CONST(59485.9812961016 / 8.0), + REAL_CONST(59506.805163788253 / 8.0), + REAL_CONST(59527.630853415307 / 8.0), + REAL_CONST(59548.458364664046 / 8.0), + REAL_CONST(59569.287697215863 / 8.0), + REAL_CONST(59590.118850752311 / 8.0), + REAL_CONST(59610.951824955089 / 8.0), + REAL_CONST(59631.786619506012 / 8.0), + REAL_CONST(59652.623234087048 / 8.0), + REAL_CONST(59673.461668380311 / 8.0), + REAL_CONST(59694.301922068029 / 8.0), + REAL_CONST(59715.143994832593 / 8.0), + REAL_CONST(59735.987886356525 / 8.0), + REAL_CONST(59756.833596322482 / 8.0), + REAL_CONST(59777.681124413255 / 8.0), + REAL_CONST(59798.530470311794 / 8.0), + REAL_CONST(59819.381633701159 / 8.0), + REAL_CONST(59840.234614264569 / 8.0), + REAL_CONST(59861.089411685381 / 8.0), + REAL_CONST(59881.94602564707 / 8.0), + REAL_CONST(59902.804455833269 / 8.0), + REAL_CONST(59923.664701927737 / 8.0), + REAL_CONST(59944.526763614384 / 8.0), + REAL_CONST(59965.390640577243 / 8.0), + REAL_CONST(59986.256332500488 / 8.0), + REAL_CONST(60007.123839068438 / 8.0), + REAL_CONST(60027.993159965539 / 8.0), + REAL_CONST(60048.864294876381 / 8.0), + REAL_CONST(60069.737243485688 / 8.0), + REAL_CONST(60090.612005478324 / 8.0), + REAL_CONST(60111.488580539284 / 8.0), + REAL_CONST(60132.366968353708 / 8.0), + REAL_CONST(60153.247168606867 / 8.0), + REAL_CONST(60174.129180984164 / 8.0), + REAL_CONST(60195.013005171153 / 8.0), + REAL_CONST(60215.898640853513 / 8.0), + REAL_CONST(60236.786087717061 / 8.0), + REAL_CONST(60257.675345447751 / 8.0), + REAL_CONST(60278.566413731671 / 8.0), + REAL_CONST(60299.459292255044 / 8.0), + REAL_CONST(60320.353980704247 / 8.0), + REAL_CONST(60341.25047876576 / 8.0), + REAL_CONST(60362.148786126229 / 8.0), + REAL_CONST(60383.048902472423 / 8.0), + REAL_CONST(60403.950827491237 / 8.0), + REAL_CONST(60424.854560869717 / 8.0), + REAL_CONST(60445.76010229504 / 8.0), + REAL_CONST(60466.667451454516 / 8.0), + REAL_CONST(60487.57660803559 / 8.0), + REAL_CONST(60508.487571725847 / 8.0), + REAL_CONST(60529.400342212997 / 8.0), + REAL_CONST(60550.314919184893 / 8.0), + REAL_CONST(60571.231302329521 / 8.0), + REAL_CONST(60592.149491335003 / 8.0), + REAL_CONST(60613.069485889588 / 8.0), + REAL_CONST(60633.991285681674 / 8.0), + REAL_CONST(60654.914890399785 / 8.0), + REAL_CONST(60675.840299732568 / 8.0), + REAL_CONST(60696.767513368832 / 8.0), + REAL_CONST(60717.696530997484 / 8.0), + REAL_CONST(60738.627352307602 / 8.0), + REAL_CONST(60759.55997698837 / 8.0), + REAL_CONST(60780.494404729128 / 8.0), + REAL_CONST(60801.430635219323 / 8.0), + REAL_CONST(60822.368668148556 / 8.0), + REAL_CONST(60843.308503206565 / 8.0), + REAL_CONST(60864.250140083204 / 8.0), + REAL_CONST(60885.193578468468 / 8.0), + REAL_CONST(60906.138818052495 / 8.0), + REAL_CONST(60927.085858525541 / 8.0), + REAL_CONST(60948.034699578006 / 8.0), + REAL_CONST(60968.985340900421 / 8.0), + REAL_CONST(60989.937782183442 / 8.0), + REAL_CONST(61010.892023117864 / 8.0), + REAL_CONST(61031.848063394616 / 8.0), + REAL_CONST(61052.805902704764 / 8.0), + REAL_CONST(61073.765540739492 / 8.0), + REAL_CONST(61094.726977190134 / 8.0), + REAL_CONST(61115.690211748137 / 8.0), + REAL_CONST(61136.655244105103 / 8.0), + REAL_CONST(61157.622073952742 / 8.0), + REAL_CONST(61178.590700982917 / 8.0), + REAL_CONST(61199.561124887616 / 8.0), + REAL_CONST(61220.533345358948 / 8.0), + REAL_CONST(61241.507362089171 / 8.0), + REAL_CONST(61262.483174770663 / 8.0), + REAL_CONST(61283.460783095943 / 8.0), + REAL_CONST(61304.440186757645 / 8.0), + REAL_CONST(61325.421385448557 / 8.0), + REAL_CONST(61346.404378861582 / 8.0), + REAL_CONST(61367.389166689762 / 8.0), + REAL_CONST(61388.375748626262 / 8.0), + REAL_CONST(61409.364124364387 / 8.0), + REAL_CONST(61430.354293597571 / 8.0), + REAL_CONST(61451.346256019373 / 8.0), + REAL_CONST(61472.340011323497 / 8.0), + REAL_CONST(61493.335559203762 / 8.0), + REAL_CONST(61514.332899354122 / 8.0), + REAL_CONST(61535.332031468672 / 8.0), + REAL_CONST(61556.332955241618 / 8.0), + REAL_CONST(61577.335670367313 / 8.0), + REAL_CONST(61598.340176540238 / 8.0), + REAL_CONST(61619.346473454993 / 8.0), + REAL_CONST(61640.354560806329 / 8.0), + REAL_CONST(61661.3644382891 / 8.0), + REAL_CONST(61682.376105598312 / 8.0), + REAL_CONST(61703.389562429089 / 8.0), + REAL_CONST(61724.404808476691 / 8.0), + REAL_CONST(61745.42184343651 / 8.0), + REAL_CONST(61766.440667004063 / 8.0), + REAL_CONST(61787.461278874987 / 8.0), + REAL_CONST(61808.483678745069 / 8.0), + REAL_CONST(61829.507866310203 / 8.0), + REAL_CONST(61850.533841266435 / 8.0), + REAL_CONST(61871.561603309929 / 8.0), + REAL_CONST(61892.591152136971 / 8.0), + REAL_CONST(61913.622487443987 / 8.0), + REAL_CONST(61934.655608927525 / 8.0), + REAL_CONST(61955.690516284267 / 8.0), + REAL_CONST(61976.727209211022 / 8.0), + REAL_CONST(61997.765687404724 / 8.0), + REAL_CONST(62018.805950562448 / 8.0), + REAL_CONST(62039.847998381381 / 8.0), + REAL_CONST(62060.891830558845 / 8.0), + REAL_CONST(62081.93744679229 / 8.0), + REAL_CONST(62102.984846779298 / 8.0), + REAL_CONST(62124.034030217575 / 8.0), + REAL_CONST(62145.084996804966 / 8.0), + REAL_CONST(62166.137746239416 / 8.0), + REAL_CONST(62187.19227821903 / 8.0), + REAL_CONST(62208.248592442025 / 8.0), + REAL_CONST(62229.306688606739 / 8.0), + REAL_CONST(62250.366566411656 / 8.0), + REAL_CONST(62271.428225555377 / 8.0), + REAL_CONST(62292.491665736627 / 8.0), + REAL_CONST(62313.556886654267 / 8.0), + REAL_CONST(62334.623888007271 / 8.0), + REAL_CONST(62355.692669494762 / 8.0), + REAL_CONST(62376.763230815974 / 8.0), + REAL_CONST(62397.835571670272 / 8.0), + REAL_CONST(62418.909691757144 / 8.0), + REAL_CONST(62439.98559077621 / 8.0), + REAL_CONST(62461.063268427228 / 8.0), + REAL_CONST(62482.142724410049 / 8.0), + REAL_CONST(62503.223958424685 / 8.0), + REAL_CONST(62524.306970171267 / 8.0), + REAL_CONST(62545.39175935003 / 8.0), + REAL_CONST(62566.478325661366 / 8.0), + REAL_CONST(62587.566668805768 / 8.0), + REAL_CONST(62608.656788483881 / 8.0), + REAL_CONST(62629.748684396451 / 8.0), + REAL_CONST(62650.842356244357 / 8.0), + REAL_CONST(62671.937803728622 / 8.0), + REAL_CONST(62693.035026550366 / 8.0), + REAL_CONST(62714.134024410858 / 8.0), + REAL_CONST(62735.234797011479 / 8.0), + REAL_CONST(62756.337344053733 / 8.0), + REAL_CONST(62777.441665239276 / 8.0), + REAL_CONST(62798.547760269852 / 8.0), + REAL_CONST(62819.655628847358 / 8.0), + REAL_CONST(62840.765270673801 / 8.0), + REAL_CONST(62861.876685451323 / 8.0), + REAL_CONST(62882.989872882186 / 8.0), + REAL_CONST(62904.104832668774 / 8.0), + REAL_CONST(62925.221564513602 / 8.0), + REAL_CONST(62946.340068119309 / 8.0), + REAL_CONST(62967.460343188657 / 8.0), + REAL_CONST(62988.582389424526 / 8.0), + REAL_CONST(63009.70620652994 / 8.0), + REAL_CONST(63030.831794208025 / 8.0), + REAL_CONST(63051.959152162039 / 8.0), + REAL_CONST(63073.08828009537 / 8.0), + REAL_CONST(63094.219177711529 / 8.0), + REAL_CONST(63115.351844714154 / 8.0), + REAL_CONST(63136.486280806988 / 8.0), + REAL_CONST(63157.622485693922 / 8.0), + REAL_CONST(63178.760459078956 / 8.0), + REAL_CONST(63199.900200666219 / 8.0), + REAL_CONST(63221.041710159967 / 8.0), + REAL_CONST(63242.184987264569 / 8.0), + REAL_CONST(63263.330031684534 / 8.0), + REAL_CONST(63284.476843124474 / 8.0), + REAL_CONST(63305.625421289144 / 8.0), + REAL_CONST(63326.775765883409 / 8.0), + REAL_CONST(63347.927876612259 / 8.0), + REAL_CONST(63369.081753180813 / 8.0), + REAL_CONST(63390.237395294316 / 8.0), + REAL_CONST(63411.39480265812 / 8.0), + REAL_CONST(63432.553974977716 / 8.0), + REAL_CONST(63453.714911958712 / 8.0), + REAL_CONST(63474.877613306839 / 8.0), + REAL_CONST(63496.042078727944 / 8.0), + REAL_CONST(63517.208307927998 / 8.0), + REAL_CONST(63538.376300613119 / 8.0), + REAL_CONST(63559.546056489504 / 8.0), + REAL_CONST(63580.717575263516 / 8.0), + REAL_CONST(63601.890856641607 / 8.0), + REAL_CONST(63623.065900330374 / 8.0), + REAL_CONST(63644.242706036515 / 8.0), + REAL_CONST(63665.421273466869 / 8.0), + REAL_CONST(63686.601602328381 / 8.0), + REAL_CONST(63707.783692328136 / 8.0), + REAL_CONST(63728.967543173334 / 8.0), + REAL_CONST(63750.153154571279 / 8.0), + REAL_CONST(63771.340526229418 / 8.0), + REAL_CONST(63792.529657855317 / 8.0), + REAL_CONST(63813.720549156649 / 8.0), + REAL_CONST(63834.913199841227 / 8.0), + REAL_CONST(63856.107609616978 / 8.0), + REAL_CONST(63877.303778191941 / 8.0), + REAL_CONST(63898.501705274284 / 8.0), + REAL_CONST(63919.7013905723 / 8.0), + REAL_CONST(63940.902833794404 / 8.0), + REAL_CONST(63962.106034649114 / 8.0), + REAL_CONST(63983.310992845094 / 8.0), + REAL_CONST(64004.517708091109 / 8.0), + REAL_CONST(64025.726180096048 / 8.0), + REAL_CONST(64046.936408568938 / 8.0), + REAL_CONST(64068.1483932189 / 8.0), + REAL_CONST(64089.362133755196 / 8.0), + REAL_CONST(64110.577629887193 / 8.0), + REAL_CONST(64131.794881324393 / 8.0), + REAL_CONST(64153.013887776404 / 8.0), + REAL_CONST(64174.234648952966 / 8.0), + REAL_CONST(64195.457164563937 / 8.0), + REAL_CONST(64216.681434319289 / 8.0), + REAL_CONST(64237.907457929112 / 8.0), + REAL_CONST(64259.135235103626 / 8.0), + REAL_CONST(64280.36476555316 / 8.0), + REAL_CONST(64301.596048988169 / 8.0), + REAL_CONST(64322.829085119236 / 8.0), + REAL_CONST(64344.06387365704 / 8.0), + REAL_CONST(64365.300414312398 / 8.0), + REAL_CONST(64386.538706796251 / 8.0), + REAL_CONST(64407.778750819634 / 8.0), + REAL_CONST(64429.020546093721 / 8.0), + REAL_CONST(64450.26409232981 / 8.0), + REAL_CONST(64471.509389239291 / 8.0), + REAL_CONST(64492.756436533709 / 8.0), + REAL_CONST(64514.005233924705 / 8.0), + REAL_CONST(64535.255781124033 / 8.0), + REAL_CONST(64556.50807784358 / 8.0), + REAL_CONST(64577.762123795357 / 8.0), + REAL_CONST(64599.017918691468 / 8.0), + REAL_CONST(64620.275462244172 / 8.0), + REAL_CONST(64641.534754165805 / 8.0), + REAL_CONST(64662.795794168844 / 8.0), + REAL_CONST(64684.058581965895 / 8.0), + REAL_CONST(64705.323117269661 / 8.0), + REAL_CONST(64726.589399792974 / 8.0), + REAL_CONST(64747.857429248776 / 8.0), + REAL_CONST(64769.127205350138 / 8.0), + REAL_CONST(64790.398727810236 / 8.0), + REAL_CONST(64811.671996342375 / 8.0), + REAL_CONST(64832.947010659969 / 8.0), + REAL_CONST(64854.223770476558 / 8.0), + REAL_CONST(64875.502275505794 / 8.0), + REAL_CONST(64896.782525461451 / 8.0), + REAL_CONST(64918.064520057414 / 8.0), + REAL_CONST(64939.348259007682 / 8.0), + REAL_CONST(64960.633742026388 / 8.0), + REAL_CONST(64981.920968827762 / 8.0), + REAL_CONST(65003.209939126165 / 8.0), + REAL_CONST(65024.500652636067 / 8.0), + REAL_CONST(65045.793109072067 / 8.0), + REAL_CONST(65067.087308148861 / 8.0), + REAL_CONST(65088.383249581282 / 8.0), + REAL_CONST(65109.680933084259 / 8.0), + REAL_CONST(65130.980358372864 / 8.0), + REAL_CONST(65152.28152516226 / 8.0), + REAL_CONST(65173.584433167736 / 8.0), + REAL_CONST(65194.889082104703 / 8.0), + REAL_CONST(65216.195471688683 / 8.0), + REAL_CONST(65237.503601635319 / 8.0), + REAL_CONST(65258.813471660353 / 8.0), + REAL_CONST(65280.125081479666 / 8.0), + REAL_CONST(65301.438430809241 / 8.0), + REAL_CONST(65322.753519365178 / 8.0), + REAL_CONST(65344.070346863708 / 8.0), + REAL_CONST(65365.388913021146 / 8.0), + REAL_CONST(65386.709217553958 / 8.0), + REAL_CONST(65408.031260178701 / 8.0), + REAL_CONST(65429.355040612056 / 8.0), + REAL_CONST(65450.680558570821 / 8.0), + REAL_CONST(65472.00781377191 / 8.0), + REAL_CONST(65493.336805932355 / 8.0), + REAL_CONST(65514.66753476928 / 8.0), + REAL_CONST(65535.999999999956 / 8.0), + REAL_CONST(65557.334201341757 / 8.0), + REAL_CONST(65578.670138512171 / 8.0), + REAL_CONST(65600.007811228788 / 8.0), + REAL_CONST(65621.347219209332 / 8.0), + REAL_CONST(65642.688362171626 / 8.0), + REAL_CONST(65664.031239833639 / 8.0), + REAL_CONST(65685.375851913413 / 8.0), + REAL_CONST(65706.722198129137 / 8.0), + REAL_CONST(65728.070278199084 / 8.0), + REAL_CONST(65749.420091841661 / 8.0), + REAL_CONST(65770.771638775404 / 8.0), + REAL_CONST(65792.124918718939 / 8.0), + REAL_CONST(65813.479931391004 / 8.0), + REAL_CONST(65834.836676510458 / 8.0), + REAL_CONST(65856.195153796303 / 8.0), + REAL_CONST(65877.5553629676 / 8.0), + REAL_CONST(65898.917303743554 / 8.0), + REAL_CONST(65920.280975843489 / 8.0), + REAL_CONST(65941.646378986843 / 8.0), + REAL_CONST(65963.013512893158 / 8.0), + REAL_CONST(65984.382377282076 / 8.0), + REAL_CONST(66005.752971873386 / 8.0), + REAL_CONST(66027.125296386963 / 8.0), + REAL_CONST(66048.499350542799 / 8.0), + REAL_CONST(66069.875134061018 / 8.0), + REAL_CONST(66091.252646661844 / 8.0), + REAL_CONST(66112.631888065618 / 8.0), + REAL_CONST(66134.01285799277 / 8.0), + REAL_CONST(66155.395556163887 / 8.0), + REAL_CONST(66176.779982299631 / 8.0), + REAL_CONST(66198.166136120795 / 8.0), + REAL_CONST(66219.554017348273 / 8.0), + REAL_CONST(66240.943625703105 / 8.0), + REAL_CONST(66262.334960906388 / 8.0), + REAL_CONST(66283.728022679396 / 8.0), + REAL_CONST(66305.122810743444 / 8.0), + REAL_CONST(66326.519324820023 / 8.0), + REAL_CONST(66347.917564630698 / 8.0), + REAL_CONST(66369.317529897162 / 8.0), + REAL_CONST(66390.719220341227 / 8.0), + REAL_CONST(66412.122635684791 / 8.0), + REAL_CONST(66433.527775649884 / 8.0), + REAL_CONST(66454.934639958636 / 8.0), + REAL_CONST(66476.343228333324 / 8.0), + REAL_CONST(66497.753540496284 / 8.0), + REAL_CONST(66519.165576169995 / 8.0), + REAL_CONST(66540.57933507704 / 8.0), + REAL_CONST(66561.994816940118 / 8.0), + REAL_CONST(66583.412021482043 / 8.0), + REAL_CONST(66604.830948425733 / 8.0), + REAL_CONST(66626.251597494222 / 8.0), + REAL_CONST(66647.673968410629 / 8.0), + REAL_CONST(66669.098060898235 / 8.0), + REAL_CONST(66690.523874680381 / 8.0), + REAL_CONST(66711.951409480564 / 8.0), + REAL_CONST(66733.380665022371 / 8.0), + REAL_CONST(66754.811641029475 / 8.0), + REAL_CONST(66776.244337225711 / 8.0), + REAL_CONST(66797.678753334985 / 8.0), + REAL_CONST(66819.11488908132 / 8.0), + REAL_CONST(66840.552744188884 / 8.0), + REAL_CONST(66861.992318381905 / 8.0), + REAL_CONST(66883.433611384738 / 8.0), + REAL_CONST(66904.876622921889 / 8.0), + REAL_CONST(66926.321352717903 / 8.0), + REAL_CONST(66947.767800497502 / 8.0), + REAL_CONST(66969.215965985466 / 8.0), + REAL_CONST(66990.665848906734 / 8.0), + REAL_CONST(67012.117448986304 / 8.0), + REAL_CONST(67033.570765949335 / 8.0), + REAL_CONST(67055.025799521056 / 8.0), + REAL_CONST(67076.482549426815 / 8.0), + REAL_CONST(67097.941015392076 / 8.0), + REAL_CONST(67119.401197142433 / 8.0), + REAL_CONST(67140.863094403554 / 8.0), + REAL_CONST(67162.326706901222 / 8.0), + REAL_CONST(67183.792034361351 / 8.0), + REAL_CONST(67205.259076509959 / 8.0), + REAL_CONST(67226.72783307315 / 8.0), + REAL_CONST(67248.198303777172 / 8.0), + REAL_CONST(67269.670488348347 / 8.0), + REAL_CONST(67291.144386513144 / 8.0), + REAL_CONST(67312.619997998088 / 8.0), + REAL_CONST(67334.09732252988 / 8.0), + REAL_CONST(67355.576359835293 / 8.0), + REAL_CONST(67377.057109641188 / 8.0), + REAL_CONST(67398.53957167457 / 8.0), + REAL_CONST(67420.023745662547 / 8.0), + REAL_CONST(67441.50963133233 / 8.0), + REAL_CONST(67462.99722841123 / 8.0), + REAL_CONST(67484.486536626689 / 8.0), + REAL_CONST(67505.977555706224 / 8.0), + REAL_CONST(67527.470285377494 / 8.0), + REAL_CONST(67548.964725368263 / 8.0), + REAL_CONST(67570.460875406367 / 8.0), + REAL_CONST(67591.9587352198 / 8.0), + REAL_CONST(67613.458304536631 / 8.0), + REAL_CONST(67634.95958308503 / 8.0), + REAL_CONST(67656.462570593329 / 8.0), + REAL_CONST(67677.967266789899 / 8.0), + REAL_CONST(67699.473671403248 / 8.0), + REAL_CONST(67720.981784162024 / 8.0), + REAL_CONST(67742.491604794923 / 8.0), + REAL_CONST(67764.003133030797 / 8.0), + REAL_CONST(67785.516368598575 / 8.0), + REAL_CONST(67807.031311227314 / 8.0), + REAL_CONST(67828.547960646174 / 8.0), + REAL_CONST(67850.066316584402 / 8.0), + REAL_CONST(67871.58637877139 / 8.0), + REAL_CONST(67893.108146936589 / 8.0), + REAL_CONST(67914.63162080961 / 8.0), + REAL_CONST(67936.156800120138 / 8.0), + REAL_CONST(67957.683684597971 / 8.0), + REAL_CONST(67979.212273973011 / 8.0), + REAL_CONST(68000.742567975263 / 8.0), + REAL_CONST(68022.274566334876 / 8.0), + REAL_CONST(68043.808268782057 / 8.0), + REAL_CONST(68065.343675047145 / 8.0), + REAL_CONST(68086.880784860579 / 8.0), + REAL_CONST(68108.419597952918 / 8.0), + REAL_CONST(68129.960114054789 / 8.0), + REAL_CONST(68151.502332896969 / 8.0), + REAL_CONST(68173.04625421032 / 8.0), + REAL_CONST(68194.591877725834 / 8.0), + REAL_CONST(68216.139203174564 / 8.0), + REAL_CONST(68237.688230287706 / 8.0), + REAL_CONST(68259.238958796544 / 8.0), + REAL_CONST(68280.791388432481 / 8.0), + REAL_CONST(68302.345518927032 / 8.0), + REAL_CONST(68323.901350011787 / 8.0), + REAL_CONST(68345.458881418483 / 8.0), + REAL_CONST(68367.018112878912 / 8.0), + REAL_CONST(68388.579044125028 / 8.0), + REAL_CONST(68410.141674888844 / 8.0), + REAL_CONST(68431.706004902502 / 8.0), + REAL_CONST(68453.272033898262 / 8.0), + REAL_CONST(68474.839761608455 / 8.0), + REAL_CONST(68496.409187765545 / 8.0), + REAL_CONST(68517.980312102081 / 8.0), + REAL_CONST(68539.553134350732 / 8.0), + REAL_CONST(68561.127654244279 / 8.0), + REAL_CONST(68582.70387151558 / 8.0), + REAL_CONST(68604.281785897634 / 8.0), + REAL_CONST(68625.861397123503 / 8.0), + REAL_CONST(68647.44270492639 / 8.0), + REAL_CONST(68669.025709039604 / 8.0), + REAL_CONST(68690.610409196524 / 8.0), + REAL_CONST(68712.196805130661 / 8.0), + REAL_CONST(68733.784896575627 / 8.0), + REAL_CONST(68755.374683265123 / 8.0), + REAL_CONST(68776.966164932994 / 8.0), + REAL_CONST(68798.559341313128 / 8.0), + REAL_CONST(68820.154212139591 / 8.0), + REAL_CONST(68841.750777146473 / 8.0), + REAL_CONST(68863.349036068044 / 8.0), + REAL_CONST(68884.948988638629 / 8.0), + REAL_CONST(68906.550634592684 / 8.0), + REAL_CONST(68928.153973664739 / 8.0), + REAL_CONST(68949.75900558944 / 8.0), + REAL_CONST(68971.365730101577 / 8.0), + REAL_CONST(68992.974146935987 / 8.0), + REAL_CONST(69014.584255827634 / 8.0), + REAL_CONST(69036.196056511588 / 8.0), + REAL_CONST(69057.809548723017 / 8.0), + REAL_CONST(69079.424732197207 / 8.0), + REAL_CONST(69101.041606669532 / 8.0), + REAL_CONST(69122.660171875468 / 8.0), + REAL_CONST(69144.280427550606 / 8.0), + REAL_CONST(69165.902373430625 / 8.0), + REAL_CONST(69187.526009251334 / 8.0), + REAL_CONST(69209.151334748618 / 8.0), + REAL_CONST(69230.778349658474 / 8.0), + REAL_CONST(69252.40705371699 / 8.0), + REAL_CONST(69274.037446660412 / 8.0), + REAL_CONST(69295.669528225 / 8.0), + REAL_CONST(69317.303298147192 / 8.0), + REAL_CONST(69338.938756163494 / 8.0), + REAL_CONST(69360.575902010532 / 8.0), + REAL_CONST(69382.214735425005 / 8.0), + REAL_CONST(69403.855256143754 / 8.0), + REAL_CONST(69425.497463903681 / 8.0), + REAL_CONST(69447.141358441833 / 8.0), + REAL_CONST(69468.78693949533 / 8.0), + REAL_CONST(69490.434206801394 / 8.0), + REAL_CONST(69512.083160097391 / 8.0), + REAL_CONST(69533.733799120717 / 8.0), + REAL_CONST(69555.386123608929 / 8.0), + REAL_CONST(69577.04013329967 / 8.0), + REAL_CONST(69598.695827930685 / 8.0), + REAL_CONST(69620.353207239794 / 8.0), + REAL_CONST(69642.012270964973 / 8.0), + REAL_CONST(69663.67301884426 / 8.0), + REAL_CONST(69685.335450615792 / 8.0), + REAL_CONST(69706.999566017839 / 8.0), + REAL_CONST(69728.665364788743 / 8.0), + REAL_CONST(69750.332846666963 / 8.0), + REAL_CONST(69772.002011391058 / 8.0), + REAL_CONST(69793.672858699691 / 8.0), + REAL_CONST(69815.345388331611 / 8.0), + REAL_CONST(69837.019600025669 / 8.0), + REAL_CONST(69858.695493520849 / 8.0), + REAL_CONST(69880.373068556204 / 8.0), + REAL_CONST(69902.052324870907 / 8.0), + REAL_CONST(69923.733262204216 / 8.0), + REAL_CONST(69945.415880295492 / 8.0), + REAL_CONST(69967.100178884211 / 8.0), + REAL_CONST(69988.786157709939 / 8.0), + REAL_CONST(70010.473816512356 / 8.0), + REAL_CONST(70032.163155031216 / 8.0), + REAL_CONST(70053.854173006403 / 8.0), + REAL_CONST(70075.546870177874 / 8.0), + REAL_CONST(70097.241246285717 / 8.0), + REAL_CONST(70118.937301070109 / 8.0), + REAL_CONST(70140.635034271298 / 8.0), + REAL_CONST(70162.334445629691 / 8.0), + REAL_CONST(70184.035534885741 / 8.0), + REAL_CONST(70205.738301780017 / 8.0), + REAL_CONST(70227.442746053217 / 8.0), + REAL_CONST(70249.1488674461 / 8.0), + REAL_CONST(70270.856665699539 / 8.0), + REAL_CONST(70292.566140554511 / 8.0), + REAL_CONST(70314.277291752107 / 8.0), + REAL_CONST(70335.990119033493 / 8.0), + REAL_CONST(70357.704622139936 / 8.0), + REAL_CONST(70379.420800812819 / 8.0), + REAL_CONST(70401.138654793613 / 8.0), + REAL_CONST(70422.85818382389 / 8.0), + REAL_CONST(70444.579387645339 / 8.0), + REAL_CONST(70466.302265999722 / 8.0), + REAL_CONST(70488.026818628918 / 8.0), + REAL_CONST(70509.753045274876 / 8.0), + REAL_CONST(70531.480945679708 / 8.0), + REAL_CONST(70553.210519585555 / 8.0), + REAL_CONST(70574.941766734701 / 8.0), + REAL_CONST(70596.674686869505 / 8.0), + REAL_CONST(70618.409279732456 / 8.0), + REAL_CONST(70640.145545066101 / 8.0), + REAL_CONST(70661.883482613106 / 8.0), + REAL_CONST(70683.623092116264 / 8.0), + REAL_CONST(70705.364373318414 / 8.0), + REAL_CONST(70727.107325962526 / 8.0), + REAL_CONST(70748.851949791671 / 8.0), + REAL_CONST(70770.598244549008 / 8.0), + REAL_CONST(70792.346209977783 / 8.0), + REAL_CONST(70814.095845821372 / 8.0), + REAL_CONST(70835.847151823225 / 8.0), + REAL_CONST(70857.600127726895 / 8.0), + REAL_CONST(70879.354773276034 / 8.0), + REAL_CONST(70901.111088214413 / 8.0), + REAL_CONST(70922.869072285859 / 8.0), + REAL_CONST(70944.628725234332 / 8.0), + REAL_CONST(70966.390046803877 / 8.0), + REAL_CONST(70988.153036738629 / 8.0), + REAL_CONST(71009.917694782853 / 8.0), + REAL_CONST(71031.684020680885 / 8.0), + REAL_CONST(71053.45201417715 / 8.0), + REAL_CONST(71075.221675016204 / 8.0), + REAL_CONST(71096.993002942661 / 8.0), + REAL_CONST(71118.765997701266 / 8.0), + REAL_CONST(71140.540659036851 / 8.0), + REAL_CONST(71162.316986694335 / 8.0), + REAL_CONST(71184.09498041874 / 8.0), + REAL_CONST(71205.874639955218 / 8.0), + REAL_CONST(71227.655965048951 / 8.0), + REAL_CONST(71249.438955445294 / 8.0), + REAL_CONST(71271.223610889632 / 8.0), + REAL_CONST(71293.009931127483 / 8.0), + REAL_CONST(71314.797915904477 / 8.0), + REAL_CONST(71336.587564966307 / 8.0), + REAL_CONST(71358.378878058764 / 8.0), + REAL_CONST(71380.171854927772 / 8.0), + REAL_CONST(71401.966495319313 / 8.0), + REAL_CONST(71423.762798979486 / 8.0), + REAL_CONST(71445.560765654489 / 8.0), + REAL_CONST(71467.360395090596 / 8.0), + REAL_CONST(71489.161687034211 / 8.0), + REAL_CONST(71510.964641231811 / 8.0), + REAL_CONST(71532.769257429973 / 8.0), + REAL_CONST(71554.575535375348 / 8.0), + REAL_CONST(71576.383474814749 / 8.0), + REAL_CONST(71598.19307549503 / 8.0), + REAL_CONST(71620.004337163133 / 8.0), + REAL_CONST(71641.817259566145 / 8.0), + REAL_CONST(71663.631842451214 / 8.0), + REAL_CONST(71685.4480855656 / 8.0), + REAL_CONST(71707.26598865664 / 8.0), + REAL_CONST(71729.085551471784 / 8.0), + REAL_CONST(71750.906773758586 / 8.0), + REAL_CONST(71772.729655264673 / 8.0), + REAL_CONST(71794.554195737772 / 8.0), + REAL_CONST(71816.380394925713 / 8.0), + REAL_CONST(71838.208252576442 / 8.0), + REAL_CONST(71860.037768437964 / 8.0), + REAL_CONST(71881.868942258385 / 8.0), + REAL_CONST(71903.701773785942 / 8.0), + REAL_CONST(71925.536262768932 / 8.0), + REAL_CONST(71947.372408955751 / 8.0), + REAL_CONST(71969.210212094898 / 8.0), + REAL_CONST(71991.049671934976 / 8.0), + REAL_CONST(72012.890788224686 / 8.0), + REAL_CONST(72034.73356071279 / 8.0), + REAL_CONST(72056.577989148165 / 8.0), + REAL_CONST(72078.424073279821 / 8.0), + REAL_CONST(72100.271812856794 / 8.0), + REAL_CONST(72122.121207628254 / 8.0), + REAL_CONST(72143.97225734347 / 8.0), + REAL_CONST(72165.824961751801 / 8.0), + REAL_CONST(72187.679320602692 / 8.0), + REAL_CONST(72209.53533364569 / 8.0), + REAL_CONST(72231.393000630429 / 8.0), + REAL_CONST(72253.252321306645 / 8.0), + REAL_CONST(72275.113295424177 / 8.0), + REAL_CONST(72296.975922732949 / 8.0), + REAL_CONST(72318.840202982959 / 8.0), + REAL_CONST(72340.706135924338 / 8.0), + REAL_CONST(72362.573721307272 / 8.0), + REAL_CONST(72384.442958882093 / 8.0), + REAL_CONST(72406.313848399179 / 8.0), + REAL_CONST(72428.186389609036 / 8.0), + REAL_CONST(72450.060582262216 / 8.0), + REAL_CONST(72471.936426109431 / 8.0), + REAL_CONST(72493.813920901433 / 8.0), + REAL_CONST(72515.693066389096 / 8.0), + REAL_CONST(72537.573862323392 / 8.0), + REAL_CONST(72559.456308455352 / 8.0), + REAL_CONST(72581.340404536139 / 8.0), + REAL_CONST(72603.226150316987 / 8.0), + REAL_CONST(72625.113545549248 / 8.0), + REAL_CONST(72647.002589984331 / 8.0), + REAL_CONST(72668.893283373764 / 8.0), + REAL_CONST(72690.785625469172 / 8.0), + REAL_CONST(72712.679616022273 / 8.0), + REAL_CONST(72734.575254784853 / 8.0), + REAL_CONST(72756.472541508803 / 8.0), + REAL_CONST(72778.371475946144 / 8.0), + REAL_CONST(72800.272057848939 / 8.0), + REAL_CONST(72822.174286969355 / 8.0), + REAL_CONST(72844.07816305969 / 8.0), + REAL_CONST(72865.983685872285 / 8.0), + REAL_CONST(72887.890855159596 / 8.0), + REAL_CONST(72909.799670674183 / 8.0), + REAL_CONST(72931.710132168693 / 8.0), + REAL_CONST(72953.622239395845 / 8.0), + REAL_CONST(72975.535992108475 / 8.0), + REAL_CONST(72997.451390059519 / 8.0), + REAL_CONST(73019.368433001961 / 8.0), + REAL_CONST(73041.287120688925 / 8.0), + REAL_CONST(73063.207452873612 / 8.0), + REAL_CONST(73085.129429309294 / 8.0), + REAL_CONST(73107.053049749389 / 8.0), + REAL_CONST(73128.978313947344 / 8.0), + REAL_CONST(73150.905221656736 / 8.0), + REAL_CONST(73172.833772631217 / 8.0), + REAL_CONST(73194.763966624567 / 8.0), + REAL_CONST(73216.695803390612 / 8.0), + REAL_CONST(73238.62928268328 / 8.0), + REAL_CONST(73260.564404256627 / 8.0), + REAL_CONST(73282.501167864757 / 8.0), + REAL_CONST(73304.439573261901 / 8.0), + REAL_CONST(73326.379620202337 / 8.0), + REAL_CONST(73348.321308440485 / 8.0), + REAL_CONST(73370.264637730841 / 8.0), + REAL_CONST(73392.209607827957 / 8.0), + REAL_CONST(73414.156218486532 / 8.0), + REAL_CONST(73436.104469461323 / 8.0), + REAL_CONST(73458.054360507173 / 8.0), + REAL_CONST(73480.005891379056 / 8.0), + REAL_CONST(73501.959061831993 / 8.0), + REAL_CONST(73523.913871621116 / 8.0), + REAL_CONST(73545.870320501665 / 8.0), + REAL_CONST(73567.828408228932 / 8.0), + REAL_CONST(73589.78813455833 / 8.0), + REAL_CONST(73611.749499245358 / 8.0), + REAL_CONST(73633.712502045615 / 8.0), + REAL_CONST(73655.677142714747 / 8.0), + REAL_CONST(73677.643421008557 / 8.0), + REAL_CONST(73699.611336682879 / 8.0), + REAL_CONST(73721.580889493693 / 8.0), + REAL_CONST(73743.552079197019 / 8.0), + REAL_CONST(73765.524905548999 / 8.0), + REAL_CONST(73787.499368305856 / 8.0), + REAL_CONST(73809.475467223907 / 8.0), + REAL_CONST(73831.453202059551 / 8.0), + REAL_CONST(73853.432572569291 / 8.0), + REAL_CONST(73875.413578509717 / 8.0), + REAL_CONST(73897.396219637507 / 8.0), + REAL_CONST(73919.380495709411 / 8.0), + REAL_CONST(73941.36640648231 / 8.0), + REAL_CONST(73963.353951713143 / 8.0), + REAL_CONST(73985.343131158952 / 8.0), + REAL_CONST(74007.333944576865 / 8.0), + REAL_CONST(74029.326391724098 / 8.0), + REAL_CONST(74051.320472357969 / 8.0), + REAL_CONST(74073.316186235883 / 8.0), + REAL_CONST(74095.313533115303 / 8.0), + REAL_CONST(74117.312512753837 / 8.0), + REAL_CONST(74139.313124909138 / 8.0), + REAL_CONST(74161.315369338976 / 8.0), + REAL_CONST(74183.319245801191 / 8.0), + REAL_CONST(74205.324754053727 / 8.0), + REAL_CONST(74227.331893854629 / 8.0), + REAL_CONST(74249.340664961986 / 8.0), + REAL_CONST(74271.351067134034 / 8.0), + REAL_CONST(74293.363100129049 / 8.0), + REAL_CONST(74315.376763705441 / 8.0), + REAL_CONST(74337.392057621662 / 8.0), + REAL_CONST(74359.408981636298 / 8.0), + REAL_CONST(74381.427535508003 / 8.0), + REAL_CONST(74403.447718995507 / 8.0), + REAL_CONST(74425.469531857671 / 8.0), + REAL_CONST(74447.492973853383 / 8.0), + REAL_CONST(74469.518044741693 / 8.0), + REAL_CONST(74491.54474428168 / 8.0), + REAL_CONST(74513.573072232539 / 8.0), + REAL_CONST(74535.603028353551 / 8.0), + REAL_CONST(74557.634612404087 / 8.0), + REAL_CONST(74579.667824143602 / 8.0), + REAL_CONST(74601.702663331642 / 8.0), + REAL_CONST(74623.739129727837 / 8.0), + REAL_CONST(74645.777223091936 / 8.0), + REAL_CONST(74667.816943183716 / 8.0), + REAL_CONST(74689.858289763113 / 8.0), + REAL_CONST(74711.901262590094 / 8.0), + REAL_CONST(74733.945861424741 / 8.0), + REAL_CONST(74755.992086027225 / 8.0), + REAL_CONST(74778.039936157802 / 8.0), + REAL_CONST(74800.089411576817 / 8.0), + REAL_CONST(74822.140512044702 / 8.0), + REAL_CONST(74844.193237321961 / 8.0), + REAL_CONST(74866.24758716923 / 8.0), + REAL_CONST(74888.303561347187 / 8.0), + REAL_CONST(74910.36115961663 / 8.0), + REAL_CONST(74932.420381738411 / 8.0), + REAL_CONST(74954.481227473516 / 8.0), + REAL_CONST(74976.543696582972 / 8.0), + REAL_CONST(74998.607788827925 / 8.0), + REAL_CONST(75020.673503969607 / 8.0), + REAL_CONST(75042.740841769322 / 8.0), + REAL_CONST(75064.809801988464 / 8.0), + REAL_CONST(75086.88038438854 / 8.0), + REAL_CONST(75108.952588731103 / 8.0), + REAL_CONST(75131.026414777836 / 8.0), + REAL_CONST(75153.101862290467 / 8.0), + REAL_CONST(75175.178931030852 / 8.0), + REAL_CONST(75197.257620760924 / 8.0), + REAL_CONST(75219.33793124267 / 8.0), + REAL_CONST(75241.419862238225 / 8.0), + REAL_CONST(75263.503413509738 / 8.0), + REAL_CONST(75285.588584819503 / 8.0), + REAL_CONST(75307.675375929874 / 8.0), + REAL_CONST(75329.763786603318 / 8.0), + REAL_CONST(75351.853816602365 / 8.0), + REAL_CONST(75373.945465689612 / 8.0), + REAL_CONST(75396.038733627807 / 8.0), + REAL_CONST(75418.133620179724 / 8.0), + REAL_CONST(75440.230125108254 / 8.0), + REAL_CONST(75462.32824817636 / 8.0), + REAL_CONST(75484.427989147109 / 8.0), + REAL_CONST(75506.529347783653 / 8.0), + REAL_CONST(75528.63232384919 / 8.0), + REAL_CONST(75550.736917107075 / 8.0), + REAL_CONST(75572.843127320695 / 8.0), + REAL_CONST(75594.950954253538 / 8.0), + REAL_CONST(75617.060397669193 / 8.0), + REAL_CONST(75639.171457331307 / 8.0), + REAL_CONST(75661.284133003646 / 8.0), + REAL_CONST(75683.398424450032 / 8.0), + REAL_CONST(75705.514331434402 / 8.0), + REAL_CONST(75727.631853720741 / 8.0), + REAL_CONST(75749.750991073175 / 8.0), + REAL_CONST(75771.871743255862 / 8.0), + REAL_CONST(75793.994110033076 / 8.0), + REAL_CONST(75816.118091169177 / 8.0), + REAL_CONST(75838.243686428585 / 8.0), + REAL_CONST(75860.370895575848 / 8.0), + REAL_CONST(75882.499718375562 / 8.0), + REAL_CONST(75904.630154592422 / 8.0), + REAL_CONST(75926.762203991224 / 8.0), + REAL_CONST(75948.895866336825 / 8.0), + REAL_CONST(75971.031141394182 / 8.0), + REAL_CONST(75993.168028928325 / 8.0), + REAL_CONST(76015.306528704401 / 8.0), + REAL_CONST(76037.4466404876 / 8.0), + REAL_CONST(76059.588364043215 / 8.0), + REAL_CONST(76081.731699136653 / 8.0), + REAL_CONST(76103.876645533353 / 8.0), + REAL_CONST(76126.023202998884 / 8.0), + REAL_CONST(76148.171371298871 / 8.0), + REAL_CONST(76170.321150199044 / 8.0), + REAL_CONST(76192.472539465205 / 8.0), + REAL_CONST(76214.625538863256 / 8.0), + REAL_CONST(76236.780148159174 / 8.0), + REAL_CONST(76258.936367119008 / 8.0), + REAL_CONST(76281.094195508922 / 8.0), + REAL_CONST(76303.253633095141 / 8.0), + REAL_CONST(76325.414679643975 / 8.0), + REAL_CONST(76347.577334921851 / 8.0), + REAL_CONST(76369.741598695226 / 8.0), + REAL_CONST(76391.907470730686 / 8.0), + REAL_CONST(76414.074950794879 / 8.0), + REAL_CONST(76436.244038654564 / 8.0), + REAL_CONST(76458.414734076548 / 8.0), + REAL_CONST(76480.587036827754 / 8.0), + REAL_CONST(76502.760946675175 / 8.0), + REAL_CONST(76524.936463385893 / 8.0), + REAL_CONST(76547.11358672705 / 8.0), + REAL_CONST(76569.292316465915 / 8.0), + REAL_CONST(76591.472652369819 / 8.0), + REAL_CONST(76613.654594206164 / 8.0), + REAL_CONST(76635.838141742468 / 8.0), + REAL_CONST(76658.023294746308 / 8.0), + REAL_CONST(76680.210052985349 / 8.0), + REAL_CONST(76702.398416227341 / 8.0), + REAL_CONST(76724.588384240138 / 8.0), + REAL_CONST(76746.779956791637 / 8.0), + REAL_CONST(76768.973133649866 / 8.0), + REAL_CONST(76791.167914582897 / 8.0), + REAL_CONST(76813.364299358902 / 8.0), + REAL_CONST(76835.562287746157 / 8.0), + REAL_CONST(76857.761879512967 / 8.0), + REAL_CONST(76879.963074427797 / 8.0), + REAL_CONST(76902.165872259109 / 8.0), + REAL_CONST(76924.37027277553 / 8.0), + REAL_CONST(76946.576275745727 / 8.0), + REAL_CONST(76968.783880938441 / 8.0), + REAL_CONST(76990.993088122515 / 8.0), + REAL_CONST(77013.203897066895 / 8.0), + REAL_CONST(77035.416307540567 / 8.0), + REAL_CONST(77057.630319312622 / 8.0), + REAL_CONST(77079.845932152239 / 8.0), + REAL_CONST(77102.063145828695 / 8.0), + REAL_CONST(77124.281960111301 / 8.0), + REAL_CONST(77146.50237476948 / 8.0), + REAL_CONST(77168.724389572759 / 8.0), + REAL_CONST(77190.948004290723 / 8.0), + REAL_CONST(77213.173218693031 / 8.0), + REAL_CONST(77235.400032549442 / 8.0), + REAL_CONST(77257.628445629802 / 8.0), + REAL_CONST(77279.858457704031 / 8.0), + REAL_CONST(77302.090068542122 / 8.0), + REAL_CONST(77324.323277914169 / 8.0), + REAL_CONST(77346.558085590339 / 8.0), + REAL_CONST(77368.794491340886 / 8.0), + REAL_CONST(77391.032494936138 / 8.0), + REAL_CONST(77413.272096146524 / 8.0), + REAL_CONST(77435.51329474253 / 8.0), + REAL_CONST(77457.756090494731 / 8.0), + REAL_CONST(77480.000483173804 / 8.0), + REAL_CONST(77502.246472550498 / 8.0), + REAL_CONST(77524.494058395634 / 8.0), + REAL_CONST(77546.743240480107 / 8.0), + REAL_CONST(77568.994018574944 / 8.0), + REAL_CONST(77591.246392451198 / 8.0), + REAL_CONST(77613.500361880026 / 8.0), + REAL_CONST(77635.755926632657 / 8.0), + REAL_CONST(77658.013086480438 / 8.0), + REAL_CONST(77680.271841194757 / 8.0), + REAL_CONST(77702.532190547092 / 8.0), + REAL_CONST(77724.794134309021 / 8.0), + REAL_CONST(77747.057672252195 / 8.0), + REAL_CONST(77769.322804148323 / 8.0), + REAL_CONST(77791.589529769248 / 8.0), + REAL_CONST(77813.857848886837 / 8.0), + REAL_CONST(77836.127761273063 / 8.0), + REAL_CONST(77858.399266699998 / 8.0), + REAL_CONST(77880.67236493979 / 8.0), + REAL_CONST(77902.947055764627 / 8.0), + REAL_CONST(77925.223338946831 / 8.0), + REAL_CONST(77947.50121425878 / 8.0), + REAL_CONST(77969.780681472927 / 8.0), + REAL_CONST(77992.061740361838 / 8.0), + REAL_CONST(78014.344390698127 / 8.0), + REAL_CONST(78036.628632254491 / 8.0), + REAL_CONST(78058.914464803747 / 8.0), + REAL_CONST(78081.201888118725 / 8.0), + REAL_CONST(78103.490901972415 / 8.0), + REAL_CONST(78125.781506137821 / 8.0), + REAL_CONST(78148.073700388064 / 8.0), + REAL_CONST(78170.367484496339 / 8.0), + REAL_CONST(78192.662858235926 / 8.0), + REAL_CONST(78214.959821380166 / 8.0), + REAL_CONST(78237.258373702498 / 8.0), + REAL_CONST(78259.558514976452 / 8.0), + REAL_CONST(78281.860244975614 / 8.0), + REAL_CONST(78304.163563473659 / 8.0), + REAL_CONST(78326.468470244363 / 8.0), + REAL_CONST(78348.77496506153 / 8.0), + REAL_CONST(78371.083047699125 / 8.0), + REAL_CONST(78393.392717931114 / 8.0), + REAL_CONST(78415.703975531578 / 8.0), + REAL_CONST(78438.016820274701 / 8.0), + REAL_CONST(78460.331251934695 / 8.0), + REAL_CONST(78482.647270285903 / 8.0), + REAL_CONST(78504.964875102727 / 8.0), + REAL_CONST(78527.284066159627 / 8.0), + REAL_CONST(78549.604843231195 / 8.0), + REAL_CONST(78571.927206092048 / 8.0), + REAL_CONST(78594.251154516911 / 8.0), + REAL_CONST(78616.576688280606 / 8.0), + REAL_CONST(78638.903807157985 / 8.0), + REAL_CONST(78661.232510924034 / 8.0), + REAL_CONST(78683.562799353778 / 8.0), + REAL_CONST(78705.894672222363 / 8.0), + REAL_CONST(78728.228129304945 / 8.0), + REAL_CONST(78750.563170376859 / 8.0), + REAL_CONST(78772.899795213423 / 8.0), + REAL_CONST(78795.238003590101 / 8.0), + REAL_CONST(78817.577795282399 / 8.0), + REAL_CONST(78839.919170065928 / 8.0), + REAL_CONST(78862.262127716356 / 8.0), + REAL_CONST(78884.606668009452 / 8.0), + REAL_CONST(78906.952790721043 / 8.0), + REAL_CONST(78929.300495627045 / 8.0), + REAL_CONST(78951.64978250346 / 8.0), + REAL_CONST(78974.000651126378 / 8.0), + REAL_CONST(78996.353101271932 / 8.0), + REAL_CONST(79018.707132716358 / 8.0), + REAL_CONST(79041.062745235977 / 8.0), + REAL_CONST(79063.41993860717 / 8.0), + REAL_CONST(79085.778712606436 / 8.0), + REAL_CONST(79108.139067010285 / 8.0), + REAL_CONST(79130.501001595389 / 8.0), + REAL_CONST(79152.864516138419 / 8.0), + REAL_CONST(79175.22961041618 / 8.0), + REAL_CONST(79197.596284205531 / 8.0), + REAL_CONST(79219.96453728342 / 8.0), + REAL_CONST(79242.33436942687 / 8.0), + REAL_CONST(79264.705780412987 / 8.0), + REAL_CONST(79287.078770018954 / 8.0), + REAL_CONST(79309.453338022009 / 8.0), + REAL_CONST(79331.829484199508 / 8.0), + REAL_CONST(79354.207208328866 / 8.0), + REAL_CONST(79376.586510187582 / 8.0), + REAL_CONST(79398.967389553218 / 8.0), + REAL_CONST(79421.349846203433 / 8.0), + REAL_CONST(79443.733879915948 / 8.0), + REAL_CONST(79466.119490468584 / 8.0), + REAL_CONST(79488.50667763922 / 8.0), + REAL_CONST(79510.895441205823 / 8.0), + REAL_CONST(79533.285780946433 / 8.0), + REAL_CONST(79555.677696639163 / 8.0), + REAL_CONST(79578.071188062226 / 8.0), + REAL_CONST(79600.466254993895 / 8.0), + REAL_CONST(79622.862897212515 / 8.0), + REAL_CONST(79645.261114496549 / 8.0), + REAL_CONST(79667.660906624471 / 8.0), + REAL_CONST(79690.062273374875 / 8.0), + REAL_CONST(79712.465214526455 / 8.0), + REAL_CONST(79734.869729857935 / 8.0), + REAL_CONST(79757.275819148126 / 8.0), + REAL_CONST(79779.683482175955 / 8.0), + REAL_CONST(79802.092718720378 / 8.0), + REAL_CONST(79824.503528560454 / 8.0), + REAL_CONST(79846.915911475327 / 8.0), + REAL_CONST(79869.329867244203 / 8.0), + REAL_CONST(79891.745395646343 / 8.0), + REAL_CONST(79914.162496461155 / 8.0), + REAL_CONST(79936.581169468045 / 8.0), + REAL_CONST(79959.001414446553 / 8.0), + REAL_CONST(79981.423231176261 / 8.0), + REAL_CONST(80003.846619436852 / 8.0), + REAL_CONST(80026.271579008084 / 8.0), + REAL_CONST(80048.698109669771 / 8.0), + REAL_CONST(80071.12621120183 / 8.0), + REAL_CONST(80093.555883384237 / 8.0), + REAL_CONST(80115.987125997053 / 8.0), + REAL_CONST(80138.419938820414 / 8.0), + REAL_CONST(80160.854321634528 / 8.0), + REAL_CONST(80183.290274219689 / 8.0), + REAL_CONST(80205.727796356281 / 8.0), + REAL_CONST(80228.166887824715 / 8.0), + REAL_CONST(80250.607548405547 / 8.0), + REAL_CONST(80273.049777879336 / 8.0), + REAL_CONST(80295.493576026798 / 8.0), + REAL_CONST(80317.938942628651 / 8.0), + REAL_CONST(80340.385877465727 / 8.0), + REAL_CONST(80362.834380318949 / 8.0), + REAL_CONST(80385.28445096928 / 8.0), + REAL_CONST(80407.736089197788 / 8.0), + REAL_CONST(80430.189294785596 / 8.0), + REAL_CONST(80452.644067513917 / 8.0), + REAL_CONST(80475.100407164035 / 8.0), + REAL_CONST(80497.558313517322 / 8.0), + REAL_CONST(80520.017786355209 / 8.0), + REAL_CONST(80542.478825459213 / 8.0), + REAL_CONST(80564.941430610925 / 8.0), + REAL_CONST(80587.405601592007 / 8.0), + REAL_CONST(80609.871338184195 / 8.0), + REAL_CONST(80632.338640169342 / 8.0), + REAL_CONST(80654.8075073293 / 8.0), + REAL_CONST(80677.277939446067 / 8.0), + REAL_CONST(80699.749936301683 / 8.0), + REAL_CONST(80722.223497678278 / 8.0), + REAL_CONST(80744.698623358039 / 8.0), + REAL_CONST(80767.17531312324 / 8.0), + REAL_CONST(80789.653566756242 / 8.0), + REAL_CONST(80812.133384039465 / 8.0), + REAL_CONST(80834.614764755403 / 8.0), + REAL_CONST(80857.097708686648 / 8.0), + REAL_CONST(80879.582215615854 / 8.0), + REAL_CONST(80902.068285325731 / 8.0), + REAL_CONST(80924.555917599093 / 8.0), + REAL_CONST(80947.045112218824 / 8.0), + REAL_CONST(80969.535868967869 / 8.0), + REAL_CONST(80992.028187629272 / 8.0), + REAL_CONST(81014.522067986123 / 8.0), + REAL_CONST(81037.017509821613 / 8.0), + REAL_CONST(81059.514512919006 / 8.0), + REAL_CONST(81082.013077061609 / 8.0), + REAL_CONST(81104.513202032831 / 8.0), + REAL_CONST(81127.014887616184 / 8.0), + REAL_CONST(81149.518133595193 / 8.0), + REAL_CONST(81172.022939753486 / 8.0), + REAL_CONST(81194.529305874807 / 8.0), + REAL_CONST(81217.037231742899 / 8.0), + REAL_CONST(81239.546717141639 / 8.0), + REAL_CONST(81262.057761854958 / 8.0), + REAL_CONST(81284.570365666848 / 8.0), + REAL_CONST(81307.084528361403 / 8.0), + REAL_CONST(81329.600249722775 / 8.0), + REAL_CONST(81352.117529535186 / 8.0), + REAL_CONST(81374.636367582949 / 8.0), + REAL_CONST(81397.156763650448 / 8.0), + REAL_CONST(81419.678717522125 / 8.0), + REAL_CONST(81442.202228982511 / 8.0), + REAL_CONST(81464.727297816222 / 8.0), + REAL_CONST(81487.253923807933 / 8.0), + REAL_CONST(81509.782106742379 / 8.0), + REAL_CONST(81532.311846404409 / 8.0), + REAL_CONST(81554.843142578902 / 8.0), + REAL_CONST(81577.375995050839 / 8.0), + REAL_CONST(81599.910403605274 / 8.0), + REAL_CONST(81622.446368027333 / 8.0), + REAL_CONST(81644.983888102215 / 8.0), + REAL_CONST(81667.522963615178 / 8.0), + REAL_CONST(81690.063594351581 / 8.0), + REAL_CONST(81712.605780096841 / 8.0), + REAL_CONST(81735.149520636449 / 8.0), + REAL_CONST(81757.694815755967 / 8.0), + REAL_CONST(81780.241665241047 / 8.0), + REAL_CONST(81802.79006887741 / 8.0), + REAL_CONST(81825.340026450824 / 8.0), + REAL_CONST(81847.891537747171 / 8.0), + REAL_CONST(81870.444602552379 / 8.0), + REAL_CONST(81892.999220652477 / 8.0), + REAL_CONST(81915.555391833506 / 8.0), + REAL_CONST(81938.113115881672 / 8.0), + REAL_CONST(81960.672392583176 / 8.0), + REAL_CONST(81983.233221724338 / 8.0), + REAL_CONST(82005.795603091537 / 8.0), + REAL_CONST(82028.359536471224 / 8.0), + REAL_CONST(82050.925021649906 / 8.0), + REAL_CONST(82073.492058414209 / 8.0), + REAL_CONST(82096.060646550788 / 8.0), + REAL_CONST(82118.630785846399 / 8.0), + REAL_CONST(82141.202476087841 / 8.0), + REAL_CONST(82163.775717062032 / 8.0), + REAL_CONST(82186.35050855593 / 8.0), + REAL_CONST(82208.926850356569 / 8.0), + REAL_CONST(82231.504742251054 / 8.0), + REAL_CONST(82254.084184026578 / 8.0), + REAL_CONST(82276.665175470393 / 8.0), + REAL_CONST(82299.24771636985 / 8.0), + REAL_CONST(82321.831806512317 / 8.0), + REAL_CONST(82344.417445685307 / 8.0), + REAL_CONST(82367.004633676348 / 8.0), + REAL_CONST(82389.593370273054 / 8.0), + REAL_CONST(82412.183655263143 / 8.0), + REAL_CONST(82434.775488434374 / 8.0), + REAL_CONST(82457.368869574595 / 8.0), + REAL_CONST(82479.963798471697 / 8.0), + REAL_CONST(82502.560274913689 / 8.0), + REAL_CONST(82525.158298688606 / 8.0), + REAL_CONST(82547.757869584602 / 8.0), + REAL_CONST(82570.35898738986 / 8.0), + REAL_CONST(82592.961651892678 / 8.0), + REAL_CONST(82615.565862881398 / 8.0), + REAL_CONST(82638.171620144421 / 8.0), + REAL_CONST(82660.778923470265 / 8.0), + REAL_CONST(82683.387772647475 / 8.0), + REAL_CONST(82705.998167464713 / 8.0), + REAL_CONST(82728.610107710658 / 8.0), + REAL_CONST(82751.223593174116 / 8.0), + REAL_CONST(82773.83862364394 / 8.0), + REAL_CONST(82796.45519890904 / 8.0), + REAL_CONST(82819.073318758441 / 8.0), + REAL_CONST(82841.692982981185 / 8.0), + REAL_CONST(82864.314191366429 / 8.0), + REAL_CONST(82886.936943703375 / 8.0), + REAL_CONST(82909.561239781324 / 8.0), + REAL_CONST(82932.187079389638 / 8.0), + REAL_CONST(82954.814462317736 / 8.0), + REAL_CONST(82977.443388355125 / 8.0), + REAL_CONST(83000.073857291369 / 8.0), + REAL_CONST(83022.70586891612 / 8.0), + REAL_CONST(83045.339423019104 / 8.0), + REAL_CONST(83067.974519390089 / 8.0), + REAL_CONST(83090.611157818959 / 8.0), + REAL_CONST(83113.249338095629 / 8.0), + REAL_CONST(83135.8890600101 / 8.0), + REAL_CONST(83158.530323352461 / 8.0), + REAL_CONST(83181.173127912858 / 8.0), + REAL_CONST(83203.817473481497 / 8.0), + REAL_CONST(83226.463359848669 / 8.0), + REAL_CONST(83249.11078680474 / 8.0), + REAL_CONST(83271.759754140134 / 8.0), + REAL_CONST(83294.410261645375 / 8.0), + REAL_CONST(83317.062309111003 / 8.0), + REAL_CONST(83339.715896327703 / 8.0), + REAL_CONST(83362.371023086147 / 8.0), + REAL_CONST(83385.027689177165 / 8.0), + REAL_CONST(83407.685894391587 / 8.0), + REAL_CONST(83430.345638520361 / 8.0), + REAL_CONST(83453.006921354478 / 8.0), + REAL_CONST(83475.669742685001 / 8.0), + REAL_CONST(83498.334102303095 / 8.0), + REAL_CONST(83520.999999999942 / 8.0), + REAL_CONST(83543.667435566866 / 8.0), + REAL_CONST(83566.336408795192 / 8.0), + REAL_CONST(83589.006919476349 / 8.0), + REAL_CONST(83611.678967401851 / 8.0), + REAL_CONST(83634.352552363242 / 8.0), + REAL_CONST(83657.027674152167 / 8.0), + REAL_CONST(83679.704332560359 / 8.0), + REAL_CONST(83702.382527379552 / 8.0), + REAL_CONST(83725.062258401638 / 8.0), + REAL_CONST(83747.743525418511 / 8.0), + REAL_CONST(83770.42632822218 / 8.0), + REAL_CONST(83793.110666604684 / 8.0), + REAL_CONST(83815.796540358162 / 8.0), + REAL_CONST(83838.483949274829 / 8.0), + REAL_CONST(83861.172893146941 / 8.0), + REAL_CONST(83883.863371766842 / 8.0), + REAL_CONST(83906.555384926964 / 8.0), + REAL_CONST(83929.248932419752 / 8.0), + REAL_CONST(83951.944014037799 / 8.0), + REAL_CONST(83974.640629573696 / 8.0), + REAL_CONST(83997.338778820151 / 8.0), + REAL_CONST(84020.038461569929 / 8.0), + REAL_CONST(84042.739677615857 / 8.0), + REAL_CONST(84065.442426750829 / 8.0), + REAL_CONST(84088.146708767847 / 8.0), + REAL_CONST(84110.852523459922 / 8.0), + REAL_CONST(84133.559870620171 / 8.0), + REAL_CONST(84156.268750041796 / 8.0), + REAL_CONST(84178.979161518029 / 8.0), + REAL_CONST(84201.691104842204 / 8.0), + REAL_CONST(84224.404579807713 / 8.0), + REAL_CONST(84247.119586208006 / 8.0), + REAL_CONST(84269.83612383662 / 8.0), + REAL_CONST(84292.55419248715 / 8.0), + REAL_CONST(84315.273791953281 / 8.0), + REAL_CONST(84337.994922028738 / 8.0), + REAL_CONST(84360.717582507335 / 8.0), + REAL_CONST(84383.441773182945 / 8.0), + REAL_CONST(84406.167493849513 / 8.0), + REAL_CONST(84428.894744301069 / 8.0), + REAL_CONST(84451.623524331691 / 8.0), + REAL_CONST(84474.353833735542 / 8.0), + REAL_CONST(84497.085672306828 / 8.0), + REAL_CONST(84519.819039839858 / 8.0), + REAL_CONST(84542.553936128999 / 8.0), + REAL_CONST(84565.290360968676 / 8.0), + REAL_CONST(84588.028314153402 / 8.0), + REAL_CONST(84610.767795477717 / 8.0), + REAL_CONST(84633.508804736295 / 8.0), + REAL_CONST(84656.251341723822 / 8.0), + REAL_CONST(84678.995406235073 / 8.0), + REAL_CONST(84701.740998064924 / 8.0), + REAL_CONST(84724.488117008252 / 8.0), + REAL_CONST(84747.236762860062 / 8.0), + REAL_CONST(84769.986935415407 / 8.0), + REAL_CONST(84792.73863446941 / 8.0), + REAL_CONST(84815.491859817252 / 8.0), + REAL_CONST(84838.246611254188 / 8.0), + REAL_CONST(84861.002888575575 / 8.0), + REAL_CONST(84883.760691576768 / 8.0), + REAL_CONST(84906.520020053256 / 8.0), + REAL_CONST(84929.28087380057 / 8.0), + REAL_CONST(84952.043252614312 / 8.0), + REAL_CONST(84974.807156290146 / 8.0), + REAL_CONST(84997.572584623806 / 8.0), + REAL_CONST(85020.339537411113 / 8.0), + REAL_CONST(85043.108014447949 / 8.0), + REAL_CONST(85065.878015530237 / 8.0), + REAL_CONST(85088.649540453989 / 8.0), + REAL_CONST(85111.422589015303 / 8.0), + REAL_CONST(85134.197161010321 / 8.0), + REAL_CONST(85156.973256235244 / 8.0), + REAL_CONST(85179.750874486374 / 8.0), + REAL_CONST(85202.530015560071 / 8.0), + REAL_CONST(85225.310679252725 / 8.0), + REAL_CONST(85248.092865360857 / 8.0), + REAL_CONST(85270.876573681016 / 8.0), + REAL_CONST(85293.661804009811 / 8.0), + REAL_CONST(85316.448556143951 / 8.0), + REAL_CONST(85339.236829880188 / 8.0), + REAL_CONST(85362.026625015351 / 8.0), + REAL_CONST(85384.817941346351 / 8.0), + REAL_CONST(85407.610778670132 / 8.0), + REAL_CONST(85430.405136783724 / 8.0), + REAL_CONST(85453.201015484257 / 8.0), + REAL_CONST(85475.998414568865 / 8.0), + REAL_CONST(85498.797333834795 / 8.0), + REAL_CONST(85521.597773079353 / 8.0), + REAL_CONST(85544.399732099904 / 8.0), + REAL_CONST(85567.203210693886 / 8.0), + REAL_CONST(85590.008208658808 / 8.0), + REAL_CONST(85612.814725792239 / 8.0), + REAL_CONST(85635.62276189182 / 8.0), + REAL_CONST(85658.432316755265 / 8.0), + REAL_CONST(85681.243390180331 / 8.0), + REAL_CONST(85704.055981964877 / 8.0), + REAL_CONST(85726.870091906807 / 8.0), + REAL_CONST(85749.685719804082 / 8.0), + REAL_CONST(85772.502865454764 / 8.0), + REAL_CONST(85795.321528656961 / 8.0), + REAL_CONST(85818.141709208852 / 8.0), + REAL_CONST(85840.963406908675 / 8.0), + REAL_CONST(85863.78662155474 / 8.0), + REAL_CONST(85886.611352945445 / 8.0), + REAL_CONST(85909.437600879217 / 8.0), + REAL_CONST(85932.26536515457 / 8.0), + REAL_CONST(85955.094645570091 / 8.0), + REAL_CONST(85977.92544192441 / 8.0), + REAL_CONST(86000.757754016275 / 8.0), + REAL_CONST(86023.591581644432 / 8.0), + REAL_CONST(86046.426924607746 / 8.0), + REAL_CONST(86069.263782705122 / 8.0), + REAL_CONST(86092.102155735556 / 8.0), + REAL_CONST(86114.942043498071 / 8.0), + REAL_CONST(86137.783445791807 / 8.0), + REAL_CONST(86160.626362415918 / 8.0), + REAL_CONST(86183.470793169676 / 8.0), + REAL_CONST(86206.316737852379 / 8.0), + REAL_CONST(86229.164196263402 / 8.0), + REAL_CONST(86252.013168202204 / 8.0), + REAL_CONST(86274.863653468303 / 8.0), + REAL_CONST(86297.715651861261 / 8.0), + REAL_CONST(86320.569163180728 / 8.0), + REAL_CONST(86343.424187226425 / 8.0), + REAL_CONST(86366.280723798132 / 8.0), + REAL_CONST(86389.138772695675 / 8.0), + REAL_CONST(86411.998333718977 / 8.0), + REAL_CONST(86434.859406668009 / 8.0), + REAL_CONST(86457.721991342827 / 8.0), + REAL_CONST(86480.586087543532 / 8.0), + REAL_CONST(86503.451695070296 / 8.0), + REAL_CONST(86526.318813723352 / 8.0), + REAL_CONST(86549.187443303032 / 8.0), + REAL_CONST(86572.057583609683 / 8.0), + REAL_CONST(86594.929234443756 / 8.0), + REAL_CONST(86617.802395605773 / 8.0), + REAL_CONST(86640.677066896271 / 8.0), + REAL_CONST(86663.553248115903 / 8.0), + REAL_CONST(86686.43093906538 / 8.0), + REAL_CONST(86709.310139545443 / 8.0), + REAL_CONST(86732.190849356964 / 8.0), + REAL_CONST(86755.073068300815 / 8.0), + REAL_CONST(86777.956796177954 / 8.0), + REAL_CONST(86800.842032789442 / 8.0), + REAL_CONST(86823.728777936354 / 8.0), + REAL_CONST(86846.617031419853 / 8.0), + REAL_CONST(86869.506793041175 / 8.0), + REAL_CONST(86892.398062601613 / 8.0), + REAL_CONST(86915.290839902518 / 8.0), + REAL_CONST(86938.185124745316 / 8.0), + REAL_CONST(86961.080916931489 / 8.0), + REAL_CONST(86983.978216262592 / 8.0), + REAL_CONST(87006.87702254027 / 8.0), + REAL_CONST(87029.777335566177 / 8.0), + REAL_CONST(87052.67915514209 / 8.0), + REAL_CONST(87075.582481069796 / 8.0), + REAL_CONST(87098.487313151185 / 8.0), + REAL_CONST(87121.39365118822 / 8.0), + REAL_CONST(87144.301494982894 / 8.0), + REAL_CONST(87167.210844337285 / 8.0), + REAL_CONST(87190.121699053532 / 8.0), + REAL_CONST(87213.034058933845 / 8.0), + REAL_CONST(87235.947923780506 / 8.0), + REAL_CONST(87258.863293395829 / 8.0), + REAL_CONST(87281.780167582241 / 8.0), + REAL_CONST(87304.698546142172 / 8.0), + REAL_CONST(87327.618428878181 / 8.0), + REAL_CONST(87350.539815592856 / 8.0), + REAL_CONST(87373.462706088845 / 8.0), + REAL_CONST(87396.387100168897 / 8.0), + REAL_CONST(87419.312997635774 / 8.0), + REAL_CONST(87442.240398292357 / 8.0), + REAL_CONST(87465.16930194154 / 8.0), + REAL_CONST(87488.099708386319 / 8.0), + REAL_CONST(87511.031617429733 / 8.0), + REAL_CONST(87533.965028874911 / 8.0), + REAL_CONST(87556.899942525008 / 8.0), + REAL_CONST(87579.836358183282 / 8.0), + REAL_CONST(87602.774275653021 / 8.0), + REAL_CONST(87625.713694737613 / 8.0), + REAL_CONST(87648.654615240492 / 8.0), + REAL_CONST(87671.597036965148 / 8.0), + REAL_CONST(87694.540959715145 / 8.0), + REAL_CONST(87717.486383294105 / 8.0), + REAL_CONST(87740.433307505737 / 8.0), + REAL_CONST(87763.381732153779 / 8.0), + REAL_CONST(87786.331657042057 / 8.0), + REAL_CONST(87809.283081974456 / 8.0), + REAL_CONST(87832.236006754916 / 8.0), + REAL_CONST(87855.190431187453 / 8.0), + REAL_CONST(87878.146355076155 / 8.0), + REAL_CONST(87901.103778225151 / 8.0), + REAL_CONST(87924.062700438633 / 8.0), + REAL_CONST(87947.023121520891 / 8.0), + REAL_CONST(87969.985041276246 / 8.0), + REAL_CONST(87992.948459509105 / 8.0), + REAL_CONST(88015.913376023906 / 8.0), + REAL_CONST(88038.879790625171 / 8.0), + REAL_CONST(88061.847703117513 / 8.0), + REAL_CONST(88084.817113305573 / 8.0), + REAL_CONST(88107.788020994049 / 8.0), + REAL_CONST(88130.760425987726 / 8.0), + REAL_CONST(88153.734328091465 / 8.0), + REAL_CONST(88176.709727110137 / 8.0), + REAL_CONST(88199.686622848749 / 8.0), + REAL_CONST(88222.665015112303 / 8.0), + REAL_CONST(88245.644903705906 / 8.0), + REAL_CONST(88268.626288434709 / 8.0), + REAL_CONST(88291.609169103947 / 8.0), + REAL_CONST(88314.593545518903 / 8.0), + REAL_CONST(88337.579417484914 / 8.0), + REAL_CONST(88360.566784807408 / 8.0), + REAL_CONST(88383.555647291854 / 8.0), + REAL_CONST(88406.546004743795 / 8.0), + REAL_CONST(88429.537856968818 / 8.0), + REAL_CONST(88452.531203772611 / 8.0), + REAL_CONST(88475.52604496089 / 8.0), + REAL_CONST(88498.522380339447 / 8.0), + REAL_CONST(88521.52020971413 / 8.0), + REAL_CONST(88544.519532890874 / 8.0), + REAL_CONST(88567.520349675644 / 8.0), + REAL_CONST(88590.522659874507 / 8.0), + REAL_CONST(88613.526463293543 / 8.0), + REAL_CONST(88636.531759738922 / 8.0), + REAL_CONST(88659.538549016899 / 8.0), + REAL_CONST(88682.546830933745 / 8.0), + REAL_CONST(88705.556605295846 / 8.0), + REAL_CONST(88728.567871909589 / 8.0), + REAL_CONST(88751.580630581491 / 8.0), + REAL_CONST(88774.594881118086 / 8.0), + REAL_CONST(88797.610623325963 / 8.0), + REAL_CONST(88820.62785701183 / 8.0), + REAL_CONST(88843.646581982393 / 8.0), + REAL_CONST(88866.666798044462 / 8.0), + REAL_CONST(88889.688505004888 / 8.0), + REAL_CONST(88912.711702670611 / 8.0), + REAL_CONST(88935.7363908486 / 8.0), + REAL_CONST(88958.762569345898 / 8.0), + REAL_CONST(88981.790237969632 / 8.0), + REAL_CONST(89004.81939652696 / 8.0), + REAL_CONST(89027.850044825114 / 8.0), + REAL_CONST(89050.882182671412 / 8.0), + REAL_CONST(89073.9158098732 / 8.0), + REAL_CONST(89096.950926237885 / 8.0), + REAL_CONST(89119.987531572973 / 8.0), + REAL_CONST(89143.025625686001 / 8.0), + REAL_CONST(89166.065208384563 / 8.0), + REAL_CONST(89189.106279476357 / 8.0), + REAL_CONST(89212.148838769106 / 8.0), + REAL_CONST(89235.192886070581 / 8.0), + REAL_CONST(89258.238421188667 / 8.0), + REAL_CONST(89281.285443931265 / 8.0), + REAL_CONST(89304.333954106376 / 8.0), + REAL_CONST(89327.383951522017 / 8.0), + REAL_CONST(89350.435435986306 / 8.0), + REAL_CONST(89373.488407307406 / 8.0), + REAL_CONST(89396.542865293537 / 8.0), + REAL_CONST(89419.598809753006 / 8.0), + REAL_CONST(89442.656240494165 / 8.0), + REAL_CONST(89465.715157325409 / 8.0), + REAL_CONST(89488.775560055219 / 8.0), + REAL_CONST(89511.837448492137 / 8.0), + REAL_CONST(89534.900822444746 / 8.0), + REAL_CONST(89557.965681721733 / 8.0), + REAL_CONST(89581.032026131812 / 8.0), + REAL_CONST(89604.099855483742 / 8.0), + REAL_CONST(89627.169169586399 / 8.0), + REAL_CONST(89650.239968248672 / 8.0), + REAL_CONST(89673.312251279538 / 8.0), + REAL_CONST(89696.386018488018 / 8.0), + REAL_CONST(89719.461269683205 / 8.0), + REAL_CONST(89742.53800467425 / 8.0), + REAL_CONST(89765.616223270365 / 8.0), + REAL_CONST(89788.69592528083 / 8.0), + REAL_CONST(89811.777110514988 / 8.0), + REAL_CONST(89834.859778782207 / 8.0), + REAL_CONST(89857.943929891975 / 8.0), + REAL_CONST(89881.029563653807 / 8.0), + REAL_CONST(89904.116679877261 / 8.0), + REAL_CONST(89927.205278372014 / 8.0), + REAL_CONST(89950.29535894774 / 8.0), + REAL_CONST(89973.386921414218 / 8.0), + REAL_CONST(89996.479965581268 / 8.0), + REAL_CONST(90019.574491258769 / 8.0), + REAL_CONST(90042.670498256688 / 8.0), + REAL_CONST(90065.767986385021 / 8.0), + REAL_CONST(90088.866955453836 / 8.0), + REAL_CONST(90111.967405273259 / 8.0), + REAL_CONST(90135.069335653476 / 8.0), + REAL_CONST(90158.172746404758 / 8.0), + REAL_CONST(90181.277637337407 / 8.0), + REAL_CONST(90204.384008261797 / 8.0), + REAL_CONST(90227.49185898836 / 8.0), + REAL_CONST(90250.601189327586 / 8.0), + REAL_CONST(90273.711999090039 / 8.0), + REAL_CONST(90296.824288086325 / 8.0), + REAL_CONST(90319.938056127125 / 8.0), + REAL_CONST(90343.053303023189 / 8.0), + REAL_CONST(90366.170028585286 / 8.0), + REAL_CONST(90389.288232624298 / 8.0), + REAL_CONST(90412.407914951138 / 8.0), + REAL_CONST(90435.529075376777 / 8.0), + REAL_CONST(90458.651713712257 / 8.0), + REAL_CONST(90481.775829768681 / 8.0), + REAL_CONST(90504.901423357209 / 8.0), + REAL_CONST(90528.028494289058 / 8.0), + REAL_CONST(90551.157042375504 / 8.0), + REAL_CONST(90574.287067427911 / 8.0), + REAL_CONST(90597.418569257643 / 8.0), + REAL_CONST(90620.551547676194 / 8.0), + REAL_CONST(90643.686002495073 / 8.0), + REAL_CONST(90666.821933525847 / 8.0), + REAL_CONST(90689.959340580186 / 8.0), + REAL_CONST(90713.098223469773 / 8.0), + REAL_CONST(90736.238582006365 / 8.0), + REAL_CONST(90759.380416001804 / 8.0), + REAL_CONST(90782.523725267951 / 8.0), + REAL_CONST(90805.668509616764 / 8.0), + REAL_CONST(90828.814768860233 / 8.0), + REAL_CONST(90851.962502810435 / 8.0), + REAL_CONST(90875.11171127946 / 8.0), + REAL_CONST(90898.262394079517 / 8.0), + REAL_CONST(90921.414551022855 / 8.0), + REAL_CONST(90944.568181921743 / 8.0), + REAL_CONST(90967.72328658856 / 8.0), + REAL_CONST(90990.879864835719 / 8.0), + REAL_CONST(91014.037916475718 / 8.0), + REAL_CONST(91037.19744132107 / 8.0), + REAL_CONST(91060.358439184391 / 8.0), + REAL_CONST(91083.520909878338 / 8.0), + REAL_CONST(91106.684853215629 / 8.0), + REAL_CONST(91129.850269009039 / 8.0), + REAL_CONST(91153.017157071401 / 8.0), + REAL_CONST(91176.185517215621 / 8.0), + REAL_CONST(91199.355349254649 / 8.0), + REAL_CONST(91222.526653001492 / 8.0), + REAL_CONST(91245.699428269247 / 8.0), + REAL_CONST(91268.873674871036 / 8.0), + REAL_CONST(91292.049392620058 / 8.0), + REAL_CONST(91315.226581329553 / 8.0), + REAL_CONST(91338.405240812834 / 8.0), + REAL_CONST(91361.585370883287 / 8.0), + REAL_CONST(91384.766971354344 / 8.0), + REAL_CONST(91407.950042039476 / 8.0), + REAL_CONST(91431.134582752245 / 8.0), + REAL_CONST(91454.320593306256 / 8.0), + REAL_CONST(91477.508073515171 / 8.0), + REAL_CONST(91500.697023192712 / 8.0), + REAL_CONST(91523.887442152685 / 8.0), + REAL_CONST(91547.07933020893 / 8.0), + REAL_CONST(91570.272687175326 / 8.0), + REAL_CONST(91593.467512865856 / 8.0), + REAL_CONST(91616.663807094534 / 8.0), + REAL_CONST(91639.861569675442 / 8.0), + REAL_CONST(91663.060800422725 / 8.0), + REAL_CONST(91686.261499150554 / 8.0), + REAL_CONST(91709.463665673218 / 8.0), + REAL_CONST(91732.66729980502 / 8.0), + REAL_CONST(91755.872401360321 / 8.0), + REAL_CONST(91779.078970153569 / 8.0), + REAL_CONST(91802.287005999257 / 8.0), + REAL_CONST(91825.49650871192 / 8.0), + REAL_CONST(91848.707478106167 / 8.0), + REAL_CONST(91871.91991399668 / 8.0), + REAL_CONST(91895.133816198169 / 8.0), + REAL_CONST(91918.349184525418 / 8.0), + REAL_CONST(91941.566018793281 / 8.0), + REAL_CONST(91964.784318816659 / 8.0), + REAL_CONST(91988.004084410495 / 8.0), + REAL_CONST(92011.22531538982 / 8.0), + REAL_CONST(92034.448011569708 / 8.0), + REAL_CONST(92057.672172765277 / 8.0), + REAL_CONST(92080.897798791746 / 8.0), + REAL_CONST(92104.124889464365 / 8.0), + REAL_CONST(92127.353444598411 / 8.0), + REAL_CONST(92150.58346400928 / 8.0), + REAL_CONST(92173.814947512379 / 8.0), + REAL_CONST(92197.04789492322 / 8.0), + REAL_CONST(92220.282306057314 / 8.0), + REAL_CONST(92243.518180730272 / 8.0), + REAL_CONST(92266.755518757753 / 8.0), + REAL_CONST(92289.994319955469 / 8.0), + REAL_CONST(92313.234584139194 / 8.0), + REAL_CONST(92336.476311124774 / 8.0), + REAL_CONST(92359.719500728082 / 8.0), + REAL_CONST(92382.964152765067 / 8.0), + REAL_CONST(92406.210267051734 / 8.0), + REAL_CONST(92429.457843404161 / 8.0), + REAL_CONST(92452.706881638471 / 8.0), + REAL_CONST(92475.957381570814 / 8.0), + REAL_CONST(92499.209343017443 / 8.0), + REAL_CONST(92522.462765794655 / 8.0), + REAL_CONST(92545.717649718805 / 8.0), + REAL_CONST(92568.973994606305 / 8.0), + REAL_CONST(92592.231800273614 / 8.0), + REAL_CONST(92615.491066537259 / 8.0), + REAL_CONST(92638.751793213814 / 8.0), + REAL_CONST(92662.01398011994 / 8.0), + REAL_CONST(92685.277627072326 / 8.0), + REAL_CONST(92708.54273388772 / 8.0), + REAL_CONST(92731.809300382942 / 8.0), + REAL_CONST(92755.077326374871 / 8.0), + REAL_CONST(92778.346811680414 / 8.0), + REAL_CONST(92801.617756116568 / 8.0), + REAL_CONST(92824.890159500384 / 8.0), + REAL_CONST(92848.164021648947 / 8.0), + REAL_CONST(92871.439342379424 / 8.0), + REAL_CONST(92894.716121509016 / 8.0), + REAL_CONST(92917.994358855023 / 8.0), + REAL_CONST(92941.274054234746 / 8.0), + REAL_CONST(92964.555207465572 / 8.0), + REAL_CONST(92987.837818364962 / 8.0), + REAL_CONST(93011.121886750407 / 8.0), + REAL_CONST(93034.407412439468 / 8.0), + REAL_CONST(93057.694395249753 / 8.0), + REAL_CONST(93080.982834998955 / 8.0), + REAL_CONST(93104.272731504767 / 8.0), + REAL_CONST(93127.564084584999 / 8.0), + REAL_CONST(93150.856894057491 / 8.0), + REAL_CONST(93174.15115974014 / 8.0), + REAL_CONST(93197.446881450916 / 8.0), + REAL_CONST(93220.744059007804 / 8.0), + REAL_CONST(93244.04269222889 / 8.0), + REAL_CONST(93267.342780932304 / 8.0), + REAL_CONST(93290.644324936235 / 8.0), + REAL_CONST(93313.947324058914 / 8.0), + REAL_CONST(93337.251778118633 / 8.0), + REAL_CONST(93360.557686933767 / 8.0), + REAL_CONST(93383.865050322696 / 8.0), + REAL_CONST(93407.173868103928 / 8.0), + REAL_CONST(93430.484140095941 / 8.0), + REAL_CONST(93453.795866117362 / 8.0), + REAL_CONST(93477.109045986799 / 8.0), + REAL_CONST(93500.423679522952 / 8.0), + REAL_CONST(93523.739766544561 / 8.0), + REAL_CONST(93547.057306870454 / 8.0), + REAL_CONST(93570.376300319491 / 8.0), + REAL_CONST(93593.696746710571 / 8.0), + REAL_CONST(93617.018645862699 / 8.0), + REAL_CONST(93640.341997594893 / 8.0), + REAL_CONST(93663.666801726242 / 8.0), + REAL_CONST(93686.993058075881 / 8.0), + REAL_CONST(93710.320766463032 / 8.0), + REAL_CONST(93733.64992670693 / 8.0), + REAL_CONST(93756.980538626914 / 8.0), + REAL_CONST(93780.312602042337 / 8.0), + REAL_CONST(93803.646116772637 / 8.0), + REAL_CONST(93826.981082637285 / 8.0), + REAL_CONST(93850.317499455836 / 8.0), + REAL_CONST(93873.655367047861 / 8.0), + REAL_CONST(93896.994685233032 / 8.0), + REAL_CONST(93920.335453831038 / 8.0), + REAL_CONST(93943.677672661666 / 8.0), + REAL_CONST(93967.021341544707 / 8.0), + REAL_CONST(93990.366460300051 / 8.0), + REAL_CONST(94013.713028747632 / 8.0), + REAL_CONST(94037.061046707429 / 8.0), + REAL_CONST(94060.410513999494 / 8.0), + REAL_CONST(94083.761430443905 / 8.0), + REAL_CONST(94107.113795860845 / 8.0), + REAL_CONST(94130.467610070496 / 8.0), + REAL_CONST(94153.822872893157 / 8.0), + REAL_CONST(94177.179584149111 / 8.0), + REAL_CONST(94200.537743658759 / 8.0), + REAL_CONST(94223.897351242529 / 8.0), + REAL_CONST(94247.25840672091 / 8.0), + REAL_CONST(94270.620909914433 / 8.0), + REAL_CONST(94293.98486064373 / 8.0), + REAL_CONST(94317.350258729421 / 8.0), + REAL_CONST(94340.71710399224 / 8.0), + REAL_CONST(94364.085396252936 / 8.0), + REAL_CONST(94387.455135332348 / 8.0), + REAL_CONST(94410.82632105134 / 8.0), + REAL_CONST(94434.198953230851 / 8.0), + REAL_CONST(94457.573031691878 / 8.0), + REAL_CONST(94480.948556255447 / 8.0), + REAL_CONST(94504.325526742658 / 8.0), + REAL_CONST(94527.70394297468 / 8.0), + REAL_CONST(94551.083804772716 / 8.0), + REAL_CONST(94574.465111958023 / 8.0), + REAL_CONST(94597.847864351934 / 8.0), + REAL_CONST(94621.232061775823 / 8.0), + REAL_CONST(94644.617704051096 / 8.0), + REAL_CONST(94668.004790999272 / 8.0), + REAL_CONST(94691.393322441872 / 8.0), + REAL_CONST(94714.783298200506 / 8.0), + REAL_CONST(94738.174718096794 / 8.0), + REAL_CONST(94761.567581952477 / 8.0), + REAL_CONST(94784.961889589307 / 8.0), + REAL_CONST(94808.357640829097 / 8.0), + REAL_CONST(94831.754835493703 / 8.0), + REAL_CONST(94855.153473405066 / 8.0), + REAL_CONST(94878.553554385173 / 8.0), + REAL_CONST(94901.955078256055 / 8.0), + REAL_CONST(94925.358044839784 / 8.0), + REAL_CONST(94948.762453958523 / 8.0), + REAL_CONST(94972.168305434476 / 8.0), + REAL_CONST(94995.575599089891 / 8.0), + REAL_CONST(95018.984334747074 / 8.0), + REAL_CONST(95042.394512228391 / 8.0), + REAL_CONST(95065.806131356265 / 8.0), + REAL_CONST(95089.219191953176 / 8.0), + REAL_CONST(95112.633693841635 / 8.0), + REAL_CONST(95136.04963684424 / 8.0), + REAL_CONST(95159.467020783617 / 8.0), + REAL_CONST(95182.885845482466 / 8.0), + REAL_CONST(95206.306110763529 / 8.0), + REAL_CONST(95229.727816449609 / 8.0), + REAL_CONST(95253.150962363579 / 8.0), + REAL_CONST(95276.575548328314 / 8.0), + REAL_CONST(95300.001574166803 / 8.0), + REAL_CONST(95323.429039702052 / 8.0), + REAL_CONST(95346.857944757154 / 8.0), + REAL_CONST(95370.288289155214 / 8.0), + REAL_CONST(95393.720072719429 / 8.0), + REAL_CONST(95417.153295273019 / 8.0), + REAL_CONST(95440.587956639298 / 8.0), + REAL_CONST(95464.024056641589 / 8.0), + REAL_CONST(95487.461595103305 / 8.0), + REAL_CONST(95510.900571847902 / 8.0), + REAL_CONST(95534.340986698866 / 8.0), + REAL_CONST(95557.782839479783 / 8.0), + REAL_CONST(95581.226130014256 / 8.0), + REAL_CONST(95604.670858125959 / 8.0), + REAL_CONST(95628.117023638595 / 8.0), + REAL_CONST(95651.564626375985 / 8.0), + REAL_CONST(95675.013666161918 / 8.0), + REAL_CONST(95698.464142820303 / 8.0), + REAL_CONST(95721.916056175076 / 8.0), + REAL_CONST(95745.369406050231 / 8.0), + REAL_CONST(95768.824192269807 / 8.0), + REAL_CONST(95792.280414657915 / 8.0), + REAL_CONST(95815.738073038709 / 8.0), + REAL_CONST(95839.197167236387 / 8.0), + REAL_CONST(95862.657697075221 / 8.0), + REAL_CONST(95886.11966237954 / 8.0), + REAL_CONST(95909.583062973688 / 8.0), + REAL_CONST(95933.047898682111 / 8.0), + REAL_CONST(95956.514169329268 / 8.0), + REAL_CONST(95979.981874739708 / 8.0), + REAL_CONST(96003.451014738006 / 8.0), + REAL_CONST(96026.921589148798 / 8.0), + REAL_CONST(96050.393597796792 / 8.0), + REAL_CONST(96073.867040506724 / 8.0), + REAL_CONST(96097.341917103375 / 8.0), + REAL_CONST(96120.818227411626 / 8.0), + REAL_CONST(96144.295971256375 / 8.0), + REAL_CONST(96167.775148462577 / 8.0), + REAL_CONST(96191.255758855244 / 8.0), + REAL_CONST(96214.737802259449 / 8.0), + REAL_CONST(96238.221278500292 / 8.0), + REAL_CONST(96261.70618740299 / 8.0), + REAL_CONST(96285.192528792715 / 8.0), + REAL_CONST(96308.680302494788 / 8.0), + REAL_CONST(96332.169508334526 / 8.0), + REAL_CONST(96355.660146137321 / 8.0), + REAL_CONST(96379.152215728609 / 8.0), + REAL_CONST(96402.645716933868 / 8.0), + REAL_CONST(96426.14064957868 / 8.0), + REAL_CONST(96449.637013488609 / 8.0), + REAL_CONST(96473.134808489311 / 8.0), + REAL_CONST(96496.63403440651 / 8.0), + REAL_CONST(96520.134691065963 / 8.0), + REAL_CONST(96543.636778293469 / 8.0), + REAL_CONST(96567.140295914898 / 8.0), + REAL_CONST(96590.645243756153 / 8.0), + REAL_CONST(96614.151621643221 / 8.0), + REAL_CONST(96637.659429402134 / 8.0), + REAL_CONST(96661.168666858954 / 8.0), + REAL_CONST(96684.679333839798 / 8.0), + REAL_CONST(96708.191430170875 / 8.0), + REAL_CONST(96731.70495567839 / 8.0), + REAL_CONST(96755.219910188665 / 8.0), + REAL_CONST(96778.736293528011 / 8.0), + REAL_CONST(96802.254105522836 / 8.0), + REAL_CONST(96825.77334599958 / 8.0), + REAL_CONST(96849.29401478474 / 8.0), + REAL_CONST(96872.816111704873 / 8.0), + REAL_CONST(96896.339636586577 / 8.0), + REAL_CONST(96919.864589256511 / 8.0), + REAL_CONST(96943.390969541389 / 8.0), + REAL_CONST(96966.918777267958 / 8.0), + REAL_CONST(96990.448012263048 / 8.0), + REAL_CONST(97013.978674353522 / 8.0), + REAL_CONST(97037.510763366285 / 8.0), + REAL_CONST(97061.044279128328 / 8.0), + REAL_CONST(97084.579221466673 / 8.0), + REAL_CONST(97108.115590208385 / 8.0), + REAL_CONST(97131.653385180587 / 8.0), + REAL_CONST(97155.19260621049 / 8.0), + REAL_CONST(97178.733253125291 / 8.0), + REAL_CONST(97202.2753257523 / 8.0), + REAL_CONST(97225.81882391886 / 8.0), + REAL_CONST(97249.363747452342 / 8.0), + REAL_CONST(97272.910096180189 / 8.0), + REAL_CONST(97296.457869929916 / 8.0), + REAL_CONST(97320.007068529041 / 8.0), + REAL_CONST(97343.557691805196 / 8.0), + REAL_CONST(97367.109739586012 / 8.0), + REAL_CONST(97390.663211699197 / 8.0), + REAL_CONST(97414.218107972498 / 8.0), + REAL_CONST(97437.774428233737 / 8.0), + REAL_CONST(97461.332172310766 / 8.0), + REAL_CONST(97484.891340031507 / 8.0), + REAL_CONST(97508.451931223899 / 8.0), + REAL_CONST(97532.013945715982 / 8.0), + REAL_CONST(97555.577383335811 / 8.0), + REAL_CONST(97579.142243911512 / 8.0), + REAL_CONST(97602.708527271257 / 8.0), + REAL_CONST(97626.276233243261 / 8.0), + REAL_CONST(97649.845361655811 / 8.0), + REAL_CONST(97673.415912337223 / 8.0), + REAL_CONST(97696.987885115886 / 8.0), + REAL_CONST(97720.561279820206 / 8.0), + REAL_CONST(97744.1360962787 / 8.0), + REAL_CONST(97767.712334319876 / 8.0), + REAL_CONST(97791.289993772341 / 8.0), + REAL_CONST(97814.869074464703 / 8.0), + REAL_CONST(97838.449576225685 / 8.0), + REAL_CONST(97862.031498883996 / 8.0), + REAL_CONST(97885.614842268449 / 8.0), + REAL_CONST(97909.199606207883 / 8.0), + REAL_CONST(97932.785790531183 / 8.0), + REAL_CONST(97956.37339506732 / 8.0), + REAL_CONST(97979.962419645264 / 8.0), + REAL_CONST(98003.552864094076 / 8.0), + REAL_CONST(98027.144728242856 / 8.0), + REAL_CONST(98050.738011920766 / 8.0), + REAL_CONST(98074.332714956996 / 8.0), + REAL_CONST(98097.928837180807 / 8.0), + REAL_CONST(98121.526378421506 / 8.0), + REAL_CONST(98145.125338508456 / 8.0), + REAL_CONST(98168.725717271067 / 8.0), + REAL_CONST(98192.327514538789 / 8.0), + REAL_CONST(98215.930730141132 / 8.0), + REAL_CONST(98239.535363907664 / 8.0), + REAL_CONST(98263.141415668011 / 8.0), + REAL_CONST(98286.748885251814 / 8.0), + REAL_CONST(98310.357772488816 / 8.0), + REAL_CONST(98333.968077208759 / 8.0), + REAL_CONST(98357.579799241488 / 8.0), + REAL_CONST(98381.192938416847 / 8.0), + REAL_CONST(98404.807494564782 / 8.0), + REAL_CONST(98428.42346751524 / 8.0), + REAL_CONST(98452.040857098269 / 8.0), + REAL_CONST(98475.659663143917 / 8.0), + REAL_CONST(98499.27988548232 / 8.0), + REAL_CONST(98522.901523943656 / 8.0), + REAL_CONST(98546.524578358163 / 8.0), + REAL_CONST(98570.149048556093 / 8.0), + REAL_CONST(98593.774934367786 / 8.0), + REAL_CONST(98617.402235623624 / 8.0), + REAL_CONST(98641.030952154048 / 8.0), + REAL_CONST(98664.661083789513 / 8.0), + REAL_CONST(98688.292630360564 / 8.0), + REAL_CONST(98711.925591697771 / 8.0), + REAL_CONST(98735.559967631794 / 8.0), + REAL_CONST(98759.195757993293 / 8.0), + REAL_CONST(98782.832962613014 / 8.0), + REAL_CONST(98806.471581321734 / 8.0), + REAL_CONST(98830.111613950285 / 8.0), + REAL_CONST(98853.753060329575 / 8.0), + REAL_CONST(98877.39592029051 / 8.0), + REAL_CONST(98901.040193664099 / 8.0), + REAL_CONST(98924.68588028138 / 8.0), + REAL_CONST(98948.33297997342 / 8.0), + REAL_CONST(98971.981492571387 / 8.0), + REAL_CONST(98995.63141790645 / 8.0), + REAL_CONST(99019.282755809851 / 8.0), + REAL_CONST(99042.935506112874 / 8.0), + REAL_CONST(99066.589668646877 / 8.0), + REAL_CONST(99090.245243243233 / 8.0), + REAL_CONST(99113.902229733401 / 8.0), + REAL_CONST(99137.560627948857 / 8.0), + REAL_CONST(99161.220437721131 / 8.0), + REAL_CONST(99184.881658881859 / 8.0), + REAL_CONST(99208.544291262631 / 8.0), + REAL_CONST(99232.208334695169 / 8.0), + REAL_CONST(99255.87378901121 / 8.0), + REAL_CONST(99279.540654042547 / 8.0), + REAL_CONST(99303.208929621018 / 8.0), + REAL_CONST(99326.878615578535 / 8.0), + REAL_CONST(99350.549711746993 / 8.0), + REAL_CONST(99374.222217958435 / 8.0), + REAL_CONST(99397.896134044888 / 8.0), + REAL_CONST(99421.571459838422 / 8.0), + REAL_CONST(99445.248195171211 / 8.0), + REAL_CONST(99468.926339875441 / 8.0), + REAL_CONST(99492.605893783344 / 8.0), + REAL_CONST(99516.286856727209 / 8.0), + REAL_CONST(99539.969228539398 / 8.0), + REAL_CONST(99563.653009052287 / 8.0), + REAL_CONST(99587.338198098325 / 8.0), + REAL_CONST(99611.024795510006 / 8.0), + REAL_CONST(99634.712801119866 / 8.0), + REAL_CONST(99658.402214760499 / 8.0), + REAL_CONST(99682.093036264545 / 8.0), + REAL_CONST(99705.785265464699 / 8.0), + REAL_CONST(99729.478902193689 / 8.0), + REAL_CONST(99753.173946284325 / 8.0), + REAL_CONST(99776.870397569437 / 8.0), + REAL_CONST(99800.56825588191 / 8.0), + REAL_CONST(99824.267521054688 / 8.0), + REAL_CONST(99847.968192920773 / 8.0), + REAL_CONST(99871.670271313182 / 8.0), + REAL_CONST(99895.373756065004 / 8.0), + REAL_CONST(99919.078647009388 / 8.0), + REAL_CONST(99942.78494397951 / 8.0), + REAL_CONST(99966.492646808634 / 8.0), + REAL_CONST(99990.20175533001 / 8.0), + REAL_CONST(100013.91226937699 / 8.0), + REAL_CONST(100037.62418878295 / 8.0), + REAL_CONST(100061.33751338134 / 8.0), + REAL_CONST(100085.05224300563 / 8.0), + REAL_CONST(100108.76837748935 / 8.0), + REAL_CONST(100132.4859166661 / 8.0), + REAL_CONST(100156.2048603695 / 8.0), + REAL_CONST(100179.92520843323 / 8.0), + REAL_CONST(100203.64696069101 / 8.0), + REAL_CONST(100227.37011697664 / 8.0), + REAL_CONST(100251.09467712394 / 8.0), + REAL_CONST(100274.82064096678 / 8.0), + REAL_CONST(100298.54800833909 / 8.0), + REAL_CONST(100322.27677907483 / 8.0), + REAL_CONST(100346.00695300807 / 8.0), + REAL_CONST(100369.73852997283 / 8.0), + REAL_CONST(100393.47150980328 / 8.0), + REAL_CONST(100417.20589233354 / 8.0), + REAL_CONST(100440.94167739789 / 8.0), + REAL_CONST(100464.67886483055 / 8.0), + REAL_CONST(100488.41745446586 / 8.0), + REAL_CONST(100512.1574461382 / 8.0), + REAL_CONST(100535.89883968196 / 8.0), + REAL_CONST(100559.64163493161 / 8.0), + REAL_CONST(100583.38583172169 / 8.0), + REAL_CONST(100607.13142988674 / 8.0), + REAL_CONST(100630.87842926137 / 8.0), + REAL_CONST(100654.62682968024 / 8.0), + REAL_CONST(100678.37663097809 / 8.0), + REAL_CONST(100702.12783298964 / 8.0), + REAL_CONST(100725.88043554971 / 8.0), + REAL_CONST(100749.63443849317 / 8.0), + REAL_CONST(100773.38984165489 / 8.0), + REAL_CONST(100797.14664486986 / 8.0), + REAL_CONST(100820.90484797307 / 8.0), + REAL_CONST(100844.66445079957 / 8.0), + REAL_CONST(100868.42545318443 / 8.0), + REAL_CONST(100892.18785496285 / 8.0), + REAL_CONST(100915.95165596998 / 8.0), + REAL_CONST(100939.71685604109 / 8.0), + REAL_CONST(100963.48345501146 / 8.0), + REAL_CONST(100987.25145271645 / 8.0), + REAL_CONST(101011.02084899142 / 8.0), + REAL_CONST(101034.79164367182 / 8.0), + REAL_CONST(101058.56383659317 / 8.0), + REAL_CONST(101082.33742759094 / 8.0), + REAL_CONST(101106.11241650078 / 8.0), + REAL_CONST(101129.88880315828 / 8.0), + REAL_CONST(101153.66658739912 / 8.0), + REAL_CONST(101177.44576905905 / 8.0), + REAL_CONST(101201.22634797383 / 8.0), + REAL_CONST(101225.00832397929 / 8.0), + REAL_CONST(101248.7916969113 / 8.0), + REAL_CONST(101272.57646660579 / 8.0), + REAL_CONST(101296.36263289873 / 8.0), + REAL_CONST(101320.15019562612 / 8.0), + REAL_CONST(101343.93915462404 / 8.0), + REAL_CONST(101367.7295097286 / 8.0), + REAL_CONST(101391.52126077596 / 8.0), + REAL_CONST(101415.31440760233 / 8.0), + REAL_CONST(101439.10895004397 / 8.0), + REAL_CONST(101462.9048879372 / 8.0), + REAL_CONST(101486.70222111834 / 8.0), + REAL_CONST(101510.50094942382 / 8.0), + REAL_CONST(101534.30107269008 / 8.0), + REAL_CONST(101558.10259075361 / 8.0), + REAL_CONST(101581.90550345098 / 8.0), + REAL_CONST(101605.70981061876 / 8.0), + REAL_CONST(101629.5155120936 / 8.0), + REAL_CONST(101653.32260771218 / 8.0), + REAL_CONST(101677.13109731126 / 8.0), + REAL_CONST(101700.9409807276 / 8.0), + REAL_CONST(101724.75225779804 / 8.0), + REAL_CONST(101748.56492835947 / 8.0), + REAL_CONST(101772.37899224881 / 8.0), + REAL_CONST(101796.19444930303 / 8.0), + REAL_CONST(101820.01129935916 / 8.0), + REAL_CONST(101843.82954225427 / 8.0), + REAL_CONST(101867.64917782549 / 8.0), + REAL_CONST(101891.47020590997 / 8.0), + REAL_CONST(101915.29262634492 / 8.0), + REAL_CONST(101939.11643896763 / 8.0), + REAL_CONST(101962.94164361537 / 8.0), + REAL_CONST(101986.76824012553 / 8.0), + REAL_CONST(102010.59622833549 / 8.0), + REAL_CONST(102034.42560808272 / 8.0), + REAL_CONST(102058.25637920471 / 8.0), + REAL_CONST(102082.08854153901 / 8.0), + REAL_CONST(102105.9220949232 / 8.0), + REAL_CONST(102129.75703919494 / 8.0), + REAL_CONST(102153.59337419191 / 8.0), + REAL_CONST(102177.43109975185 / 8.0), + REAL_CONST(102201.27021571253 / 8.0), + REAL_CONST(102225.1107219118 / 8.0), + REAL_CONST(102248.95261818753 / 8.0), + REAL_CONST(102272.79590437764 / 8.0), + REAL_CONST(102296.64058032009 / 8.0), + REAL_CONST(102320.48664585294 / 8.0), + REAL_CONST(102344.33410081422 / 8.0), + REAL_CONST(102368.18294504205 / 8.0), + REAL_CONST(102392.03317837461 / 8.0), + REAL_CONST(102415.88480065008 / 8.0), + REAL_CONST(102439.73781170673 / 8.0), + REAL_CONST(102463.59221138287 / 8.0), + REAL_CONST(102487.44799951684 / 8.0), + REAL_CONST(102511.30517594704 / 8.0), + REAL_CONST(102535.1637405119 / 8.0), + REAL_CONST(102559.02369304992 / 8.0), + REAL_CONST(102582.88503339965 / 8.0), + REAL_CONST(102606.74776139967 / 8.0), + REAL_CONST(102630.61187688859 / 8.0), + REAL_CONST(102654.4773797051 / 8.0), + REAL_CONST(102678.34426968795 / 8.0), + REAL_CONST(102702.21254667587 / 8.0), + REAL_CONST(102726.08221050771 / 8.0), + REAL_CONST(102749.95326102231 / 8.0), + REAL_CONST(102773.8256980586 / 8.0), + REAL_CONST(102797.69952145554 / 8.0), + REAL_CONST(102821.57473105213 / 8.0), + REAL_CONST(102845.45132668741 / 8.0), + REAL_CONST(102869.32930820051 / 8.0), + REAL_CONST(102893.20867543056 / 8.0), + REAL_CONST(102917.08942821674 / 8.0), + REAL_CONST(102940.97156639832 / 8.0), + REAL_CONST(102964.85508981455 / 8.0), + REAL_CONST(102988.73999830478 / 8.0), + REAL_CONST(103012.6262917084 / 8.0), + REAL_CONST(103036.51396986481 / 8.0), + REAL_CONST(103060.40303261351 / 8.0), + REAL_CONST(103084.293479794 / 8.0), + REAL_CONST(103108.18531124585 / 8.0), + REAL_CONST(103132.07852680866 / 8.0), + REAL_CONST(103155.97312632212 / 8.0), + REAL_CONST(103179.8691096259 / 8.0), + REAL_CONST(103203.76647655977 / 8.0), + REAL_CONST(103227.66522696352 / 8.0), + REAL_CONST(103251.56536067701 / 8.0), + REAL_CONST(103275.46687754011 / 8.0), + REAL_CONST(103299.36977739276 / 8.0), + REAL_CONST(103323.27406007495 / 8.0), + REAL_CONST(103347.1797254267 / 8.0), + REAL_CONST(103371.0867732881 / 8.0), + REAL_CONST(103394.99520349925 / 8.0), + REAL_CONST(103418.90501590034 / 8.0), + REAL_CONST(103442.81621033157 / 8.0), + REAL_CONST(103466.72878663319 / 8.0), + REAL_CONST(103490.64274464553 / 8.0), + REAL_CONST(103514.55808420894 / 8.0), + REAL_CONST(103538.4748051638 / 8.0), + REAL_CONST(103562.39290735057 / 8.0), + REAL_CONST(103586.31239060973 / 8.0), + REAL_CONST(103610.23325478184 / 8.0), + REAL_CONST(103634.15549970744 / 8.0), + REAL_CONST(103658.07912522719 / 8.0), + REAL_CONST(103682.00413118176 / 8.0), + REAL_CONST(103705.93051741188 / 8.0), + REAL_CONST(103729.85828375829 / 8.0), + REAL_CONST(103753.78743006183 / 8.0), + REAL_CONST(103777.71795616332 / 8.0), + REAL_CONST(103801.64986190372 / 8.0), + REAL_CONST(103825.58314712394 / 8.0), + REAL_CONST(103849.51781166498 / 8.0), + REAL_CONST(103873.4538553679 / 8.0), + REAL_CONST(103897.39127807376 / 8.0), + REAL_CONST(103921.33007962372 / 8.0), + REAL_CONST(103945.27025985894 / 8.0), + REAL_CONST(103969.21181862066 / 8.0), + REAL_CONST(103993.15475575015 / 8.0), + REAL_CONST(104017.0990710887 / 8.0), + REAL_CONST(104041.0447644777 / 8.0), + REAL_CONST(104064.99183575854 / 8.0), + REAL_CONST(104088.94028477269 / 8.0), + REAL_CONST(104112.89011136163 / 8.0), + REAL_CONST(104136.84131536692 / 8.0), + REAL_CONST(104160.79389663014 / 8.0), + REAL_CONST(104184.74785499295 / 8.0), + REAL_CONST(104208.70319029699 / 8.0), + REAL_CONST(104232.65990238401 / 8.0), + REAL_CONST(104256.61799109577 / 8.0), + REAL_CONST(104280.57745627411 / 8.0), + REAL_CONST(104304.53829776087 / 8.0), + REAL_CONST(104328.50051539797 / 8.0), + REAL_CONST(104352.46410902737 / 8.0), + REAL_CONST(104376.42907849104 / 8.0), + REAL_CONST(104400.39542363105 / 8.0), + REAL_CONST(104424.36314428948 / 8.0), + REAL_CONST(104448.33224030846 / 8.0), + REAL_CONST(104472.3027115302 / 8.0), + REAL_CONST(104496.27455779689 / 8.0), + REAL_CONST(104520.24777895081 / 8.0), + REAL_CONST(104544.22237483428 / 8.0), + REAL_CONST(104568.19834528965 / 8.0), + REAL_CONST(104592.17569015936 / 8.0), + REAL_CONST(104616.15440928582 / 8.0), + REAL_CONST(104640.13450251156 / 8.0), + REAL_CONST(104664.1159696791 / 8.0), + REAL_CONST(104688.09881063103 / 8.0), + REAL_CONST(104712.08302520998 / 8.0), + REAL_CONST(104736.06861325864 / 8.0), + REAL_CONST(104760.05557461972 / 8.0), + REAL_CONST(104784.043909136 / 8.0), + REAL_CONST(104808.03361665027 / 8.0), + REAL_CONST(104832.0246970054 / 8.0), + REAL_CONST(104856.01715004431 / 8.0), + REAL_CONST(104880.01097560991 / 8.0), + REAL_CONST(104904.00617354522 / 8.0), + REAL_CONST(104928.00274369326 / 8.0), + REAL_CONST(104952.00068589712 / 8.0), + REAL_CONST(104975.99999999993 / 8.0), + REAL_CONST(105000.00068584486 / 8.0), + REAL_CONST(105024.00274327511 / 8.0), + REAL_CONST(105048.00617213396 / 8.0), + REAL_CONST(105072.0109722647 / 8.0), + REAL_CONST(105096.0171435107 / 8.0), + REAL_CONST(105120.02468571534 / 8.0), + REAL_CONST(105144.03359872208 / 8.0), + REAL_CONST(105168.04388237436 / 8.0), + REAL_CONST(105192.05553651576 / 8.0), + REAL_CONST(105216.06856098982 / 8.0), + REAL_CONST(105240.08295564017 / 8.0), + REAL_CONST(105264.09872031047 / 8.0), + REAL_CONST(105288.11585484444 / 8.0), + REAL_CONST(105312.13435908582 / 8.0), + REAL_CONST(105336.1542328784 / 8.0), + REAL_CONST(105360.17547606604 / 8.0), + REAL_CONST(105384.19808849262 / 8.0), + REAL_CONST(105408.22207000206 / 8.0), + REAL_CONST(105432.24742043833 / 8.0), + REAL_CONST(105456.27413964548 / 8.0), + REAL_CONST(105480.30222746753 / 8.0), + REAL_CONST(105504.33168374863 / 8.0), + REAL_CONST(105528.36250833291 / 8.0), + REAL_CONST(105552.39470106458 / 8.0), + REAL_CONST(105576.42826178786 / 8.0), + REAL_CONST(105600.46319034706 / 8.0), + REAL_CONST(105624.49948658649 / 8.0), + REAL_CONST(105648.53715035053 / 8.0), + REAL_CONST(105672.5761814836 / 8.0), + REAL_CONST(105696.61657983017 / 8.0), + REAL_CONST(105720.65834523473 / 8.0), + REAL_CONST(105744.70147754184 / 8.0), + REAL_CONST(105768.7459765961 / 8.0), + REAL_CONST(105792.79184224214 / 8.0), + REAL_CONST(105816.83907432464 / 8.0), + REAL_CONST(105840.88767268835 / 8.0), + REAL_CONST(105864.93763717801 / 8.0), + REAL_CONST(105888.98896763846 / 8.0), + REAL_CONST(105913.04166391456 / 8.0), + REAL_CONST(105937.09572585119 / 8.0), + REAL_CONST(105961.15115329332 / 8.0), + REAL_CONST(105985.20794608595 / 8.0), + REAL_CONST(106009.26610407409 / 8.0), + REAL_CONST(106033.32562710284 / 8.0), + REAL_CONST(106057.38651501729 / 8.0), + REAL_CONST(106081.44876766266 / 8.0), + REAL_CONST(106105.51238488412 / 8.0), + REAL_CONST(106129.57736652695 / 8.0), + REAL_CONST(106153.64371243643 / 8.0), + REAL_CONST(106177.71142245791 / 8.0), + REAL_CONST(106201.78049643678 / 8.0), + REAL_CONST(106225.85093421848 / 8.0), + REAL_CONST(106249.92273564848 / 8.0), + REAL_CONST(106273.99590057228 / 8.0), + REAL_CONST(106298.07042883546 / 8.0), + REAL_CONST(106322.14632028362 / 8.0), + REAL_CONST(106346.22357476239 / 8.0), + REAL_CONST(106370.30219211751 / 8.0), + REAL_CONST(106394.38217219469 / 8.0), + REAL_CONST(106418.46351483969 / 8.0), + REAL_CONST(106442.54621989837 / 8.0), + REAL_CONST(106466.63028721658 / 8.0), + REAL_CONST(106490.71571664025 / 8.0), + REAL_CONST(106514.80250801529 / 8.0), + REAL_CONST(106538.89066118775 / 8.0), + REAL_CONST(106562.98017600364 / 8.0), + REAL_CONST(106587.07105230905 / 8.0), + REAL_CONST(106611.16328995011 / 8.0), + REAL_CONST(106635.25688877302 / 8.0), + REAL_CONST(106659.35184862395 / 8.0), + REAL_CONST(106683.44816934918 / 8.0), + REAL_CONST(106707.54585079502 / 8.0), + REAL_CONST(106731.64489280782 / 8.0), + REAL_CONST(106755.74529523395 / 8.0), + REAL_CONST(106779.84705791986 / 8.0), + REAL_CONST(106803.95018071201 / 8.0), + REAL_CONST(106828.05466345693 / 8.0), + REAL_CONST(106852.16050600118 / 8.0), + REAL_CONST(106876.26770819137 / 8.0), + REAL_CONST(106900.37626987413 / 8.0), + REAL_CONST(106924.48619089619 / 8.0), + REAL_CONST(106948.59747110425 / 8.0), + REAL_CONST(106972.71011034511 / 8.0), + REAL_CONST(106996.82410846559 / 8.0), + REAL_CONST(107020.93946531253 / 8.0), + REAL_CONST(107045.05618073288 / 8.0), + REAL_CONST(107069.17425457356 / 8.0), + REAL_CONST(107093.29368668159 / 8.0), + REAL_CONST(107117.41447690397 / 8.0), + REAL_CONST(107141.53662508781 / 8.0), + REAL_CONST(107165.66013108024 / 8.0), + REAL_CONST(107189.7849947284 / 8.0), + REAL_CONST(107213.91121587952 / 8.0), + REAL_CONST(107238.03879438085 / 8.0), + REAL_CONST(107262.16773007967 / 8.0), + REAL_CONST(107286.29802282334 / 8.0), + REAL_CONST(107310.42967245923 / 8.0), + REAL_CONST(107334.56267883476 / 8.0), + REAL_CONST(107358.69704179741 / 8.0), + REAL_CONST(107382.83276119467 / 8.0), + REAL_CONST(107406.96983687414 / 8.0), + REAL_CONST(107431.10826868335 / 8.0), + REAL_CONST(107455.24805646999 / 8.0), + REAL_CONST(107479.38920008171 / 8.0), + REAL_CONST(107503.53169936626 / 8.0), + REAL_CONST(107527.67555417139 / 8.0), + REAL_CONST(107551.82076434491 / 8.0), + REAL_CONST(107575.96732973469 / 8.0), + REAL_CONST(107600.11525018861 / 8.0), + REAL_CONST(107624.26452555459 / 8.0), + REAL_CONST(107648.41515568066 / 8.0), + REAL_CONST(107672.56714041479 / 8.0), + REAL_CONST(107696.72047960508 / 8.0), + REAL_CONST(107720.87517309963 / 8.0), + REAL_CONST(107745.03122074658 / 8.0), + REAL_CONST(107769.18862239413 / 8.0), + REAL_CONST(107793.34737789053 / 8.0), + REAL_CONST(107817.50748708403 / 8.0), + REAL_CONST(107841.66894982298 / 8.0), + REAL_CONST(107865.83176595572 / 8.0), + REAL_CONST(107889.99593533068 / 8.0), + REAL_CONST(107914.16145779629 / 8.0), + REAL_CONST(107938.32833320105 / 8.0), + REAL_CONST(107962.49656139348 / 8.0), + REAL_CONST(107986.66614222217 / 8.0), + REAL_CONST(108010.83707553572 / 8.0), + REAL_CONST(108035.00936118282 / 8.0), + REAL_CONST(108059.18299901215 / 8.0), + REAL_CONST(108083.35798887245 / 8.0), + REAL_CONST(108107.53433061253 / 8.0), + REAL_CONST(108131.71202408121 / 8.0), + REAL_CONST(108155.89106912735 / 8.0), + REAL_CONST(108180.07146559987 / 8.0), + REAL_CONST(108204.25321334775 / 8.0), + REAL_CONST(108228.43631221994 / 8.0), + REAL_CONST(108252.62076206553 / 8.0), + REAL_CONST(108276.80656273357 / 8.0), + REAL_CONST(108300.99371407321 / 8.0), + REAL_CONST(108325.18221593359 / 8.0), + REAL_CONST(108349.37206816394 / 8.0), + REAL_CONST(108373.56327061349 / 8.0), + REAL_CONST(108397.75582313156 / 8.0), + REAL_CONST(108421.94972556747 / 8.0), + REAL_CONST(108446.1449777706 / 8.0), + REAL_CONST(108470.34157959036 / 8.0), + REAL_CONST(108494.53953087622 / 8.0), + REAL_CONST(108518.73883147769 / 8.0), + REAL_CONST(108542.93948124432 / 8.0), + REAL_CONST(108567.14148002568 / 8.0), + REAL_CONST(108591.34482767139 / 8.0), + REAL_CONST(108615.54952403114 / 8.0), + REAL_CONST(108639.75556895464 / 8.0), + REAL_CONST(108663.96296229165 / 8.0), + REAL_CONST(108688.17170389196 / 8.0), + REAL_CONST(108712.38179360541 / 8.0), + REAL_CONST(108736.59323128188 / 8.0), + REAL_CONST(108760.80601677128 / 8.0), + REAL_CONST(108785.02014992358 / 8.0), + REAL_CONST(108809.23563058881 / 8.0), + REAL_CONST(108833.45245861699 / 8.0), + REAL_CONST(108857.67063385822 / 8.0), + REAL_CONST(108881.89015616261 / 8.0), + REAL_CONST(108906.11102538036 / 8.0), + REAL_CONST(108930.33324136167 / 8.0), + REAL_CONST(108954.55680395682 / 8.0), + REAL_CONST(108978.78171301607 / 8.0), + REAL_CONST(109003.00796838976 / 8.0), + REAL_CONST(109027.23556992831 / 8.0), + REAL_CONST(109051.46451748211 / 8.0), + REAL_CONST(109075.69481090162 / 8.0), + REAL_CONST(109099.92645003737 / 8.0), + REAL_CONST(109124.15943473989 / 8.0), + REAL_CONST(109148.39376485976 / 8.0), + REAL_CONST(109172.62944024763 / 8.0), + REAL_CONST(109196.86646075416 / 8.0), + REAL_CONST(109221.10482623006 / 8.0), + REAL_CONST(109245.34453652608 / 8.0), + REAL_CONST(109269.58559149304 / 8.0), + REAL_CONST(109293.82799098175 / 8.0), + REAL_CONST(109318.07173484311 / 8.0), + REAL_CONST(109342.31682292801 / 8.0), + REAL_CONST(109366.56325508743 / 8.0), + REAL_CONST(109390.81103117237 / 8.0), + REAL_CONST(109415.06015103387 / 8.0), + REAL_CONST(109439.31061452301 / 8.0), + REAL_CONST(109463.56242149093 / 8.0), + REAL_CONST(109487.8155717888 / 8.0), + REAL_CONST(109512.07006526781 / 8.0), + REAL_CONST(109536.3259017792 / 8.0), + REAL_CONST(109560.58308117429 / 8.0), + REAL_CONST(109584.8416033044 / 8.0), + REAL_CONST(109609.1014680209 / 8.0), + REAL_CONST(109633.36267517522 / 8.0), + REAL_CONST(109657.62522461878 / 8.0), + REAL_CONST(109681.88911620311 / 8.0), + REAL_CONST(109706.15434977971 / 8.0), + REAL_CONST(109730.4209252002 / 8.0), + REAL_CONST(109754.68884231619 / 8.0), + REAL_CONST(109778.95810097932 / 8.0), + REAL_CONST(109803.22870104131 / 8.0), + REAL_CONST(109827.50064235389 / 8.0), + REAL_CONST(109851.77392476884 / 8.0), + REAL_CONST(109876.04854813802 / 8.0), + REAL_CONST(109900.32451231324 / 8.0), + REAL_CONST(109924.60181714644 / 8.0), + REAL_CONST(109948.88046248957 / 8.0), + REAL_CONST(109973.1604481946 / 8.0), + REAL_CONST(109997.44177411357 / 8.0), + REAL_CONST(110021.72444009855 / 8.0), + REAL_CONST(110046.00844600165 / 8.0), + REAL_CONST(110070.29379167501 / 8.0), + REAL_CONST(110094.58047697082 / 8.0), + REAL_CONST(110118.86850174134 / 8.0), + REAL_CONST(110143.15786583882 / 8.0), + REAL_CONST(110167.44856911557 / 8.0), + REAL_CONST(110191.74061142397 / 8.0), + REAL_CONST(110216.03399261639 / 8.0), + REAL_CONST(110240.32871254528 / 8.0), + REAL_CONST(110264.62477106311 / 8.0), + REAL_CONST(110288.9221680224 / 8.0), + REAL_CONST(110313.22090327571 / 8.0), + REAL_CONST(110337.52097667565 / 8.0), + REAL_CONST(110361.82238807483 / 8.0), + REAL_CONST(110386.12513732594 / 8.0), + REAL_CONST(110410.42922428172 / 8.0), + REAL_CONST(110434.73464879491 / 8.0), + REAL_CONST(110459.04141071832 / 8.0), + REAL_CONST(110483.34950990479 / 8.0), + REAL_CONST(110507.6589462072 / 8.0), + REAL_CONST(110531.96971947847 / 8.0), + REAL_CONST(110556.28182957157 / 8.0), + REAL_CONST(110580.5952763395 / 8.0), + REAL_CONST(110604.91005963532 / 8.0), + REAL_CONST(110629.22617931209 / 8.0), + REAL_CONST(110653.54363522294 / 8.0), + REAL_CONST(110677.86242722106 / 8.0), + REAL_CONST(110702.18255515963 / 8.0), + REAL_CONST(110726.50401889188 / 8.0), + REAL_CONST(110750.82681827113 / 8.0), + REAL_CONST(110775.1509531507 / 8.0), + REAL_CONST(110799.47642338395 / 8.0), + REAL_CONST(110823.80322882428 / 8.0), + REAL_CONST(110848.13136932514 / 8.0), + REAL_CONST(110872.46084474004 / 8.0), + REAL_CONST(110896.79165492248 / 8.0), + REAL_CONST(110921.12379972603 / 8.0), + REAL_CONST(110945.4572790043 / 8.0), + REAL_CONST(110969.79209261097 / 8.0), + REAL_CONST(110994.12824039967 / 8.0), + REAL_CONST(111018.46572222417 / 8.0), + REAL_CONST(111042.80453793822 / 8.0), + REAL_CONST(111067.14468739564 / 8.0), + REAL_CONST(111091.48617045028 / 8.0), + REAL_CONST(111115.82898695602 / 8.0), + REAL_CONST(111140.1731367668 / 8.0), + REAL_CONST(111164.51861973655 / 8.0), + REAL_CONST(111188.86543571933 / 8.0), + REAL_CONST(111213.21358456917 / 8.0), + REAL_CONST(111237.56306614014 / 8.0), + REAL_CONST(111261.91388028639 / 8.0), + REAL_CONST(111286.26602686207 / 8.0), + REAL_CONST(111310.61950572141 / 8.0), + REAL_CONST(111334.97431671864 / 8.0), + REAL_CONST(111359.33045970804 / 8.0), + REAL_CONST(111383.68793454397 / 8.0), + REAL_CONST(111408.04674108078 / 8.0), + REAL_CONST(111432.40687917286 / 8.0), + REAL_CONST(111456.76834867468 / 8.0), + REAL_CONST(111481.13114944073 / 8.0), + REAL_CONST(111505.49528132551 / 8.0), + REAL_CONST(111529.86074418361 / 8.0), + REAL_CONST(111554.22753786964 / 8.0), + REAL_CONST(111578.59566223821 / 8.0), + REAL_CONST(111602.96511714405 / 8.0), + REAL_CONST(111627.33590244185 / 8.0), + REAL_CONST(111651.7080179864 / 8.0), + REAL_CONST(111676.08146363248 / 8.0), + REAL_CONST(111700.45623923496 / 8.0), + REAL_CONST(111724.8323446487 / 8.0), + REAL_CONST(111749.20977972864 / 8.0), + REAL_CONST(111773.58854432974 / 8.0), + REAL_CONST(111797.96863830699 / 8.0), + REAL_CONST(111822.35006151545 / 8.0), + REAL_CONST(111846.73281381019 / 8.0), + REAL_CONST(111871.11689504632 / 8.0), + REAL_CONST(111895.50230507903 / 8.0), + REAL_CONST(111919.8890437635 / 8.0), + REAL_CONST(111944.27711095495 / 8.0), + REAL_CONST(111968.6665065087 / 8.0), + REAL_CONST(111993.05723028004 / 8.0), + REAL_CONST(112017.44928212435 / 8.0), + REAL_CONST(112041.842661897 / 8.0), + REAL_CONST(112066.23736945343 / 8.0), + REAL_CONST(112090.63340464912 / 8.0), + REAL_CONST(112115.03076733962 / 8.0), + REAL_CONST(112139.42945738042 / 8.0), + REAL_CONST(112163.82947462716 / 8.0), + REAL_CONST(112188.23081893545 / 8.0), + REAL_CONST(112212.63349016097 / 8.0), + REAL_CONST(112237.03748815943 / 8.0), + REAL_CONST(112261.44281278658 / 8.0), + REAL_CONST(112285.84946389822 / 8.0), + REAL_CONST(112310.25744135017 / 8.0), + REAL_CONST(112334.66674499828 / 8.0), + REAL_CONST(112359.07737469849 / 8.0), + REAL_CONST(112383.48933030672 / 8.0), + REAL_CONST(112407.90261167898 / 8.0), + REAL_CONST(112432.31721867126 / 8.0), + REAL_CONST(112456.73315113965 / 8.0), + REAL_CONST(112481.15040894024 / 8.0), + REAL_CONST(112505.56899192919 / 8.0), + REAL_CONST(112529.98889996267 / 8.0), + REAL_CONST(112554.41013289688 / 8.0), + REAL_CONST(112578.8326905881 / 8.0), + REAL_CONST(112603.25657289263 / 8.0), + REAL_CONST(112627.68177966679 / 8.0), + REAL_CONST(112652.10831076698 / 8.0), + REAL_CONST(112676.53616604958 / 8.0), + REAL_CONST(112700.96534537108 / 8.0), + REAL_CONST(112725.39584858794 / 8.0), + REAL_CONST(112749.82767555672 / 8.0), + REAL_CONST(112774.26082613398 / 8.0), + REAL_CONST(112798.6953001763 / 8.0), + REAL_CONST(112823.13109754038 / 8.0), + REAL_CONST(112847.56821808286 / 8.0), + REAL_CONST(112872.00666166049 / 8.0), + REAL_CONST(112896.44642813003 / 8.0), + REAL_CONST(112920.88751734827 / 8.0), + REAL_CONST(112945.32992917208 / 8.0), + REAL_CONST(112969.77366345831 / 8.0), + REAL_CONST(112994.21872006389 / 8.0), + REAL_CONST(113018.66509884578 / 8.0), + REAL_CONST(113043.11279966099 / 8.0), + REAL_CONST(113067.56182236652 / 8.0), + REAL_CONST(113092.01216681948 / 8.0), + REAL_CONST(113116.46383287695 / 8.0), + REAL_CONST(113140.9168203961 / 8.0), + REAL_CONST(113165.37112923413 / 8.0), + REAL_CONST(113189.82675924824 / 8.0), + REAL_CONST(113214.28371029573 / 8.0), + REAL_CONST(113238.74198223387 / 8.0), + REAL_CONST(113263.20157492002 / 8.0), + REAL_CONST(113287.66248821157 / 8.0), + REAL_CONST(113312.12472196593 / 8.0), + REAL_CONST(113336.58827604055 / 8.0), + REAL_CONST(113361.05315029295 / 8.0), + REAL_CONST(113385.51934458067 / 8.0), + REAL_CONST(113409.98685876124 / 8.0), + REAL_CONST(113434.45569269233 / 8.0), + REAL_CONST(113458.92584623155 / 8.0), + REAL_CONST(113483.39731923661 / 8.0), + REAL_CONST(113507.87011156522 / 8.0), + REAL_CONST(113532.34422307517 / 8.0), + REAL_CONST(113556.81965362425 / 8.0), + REAL_CONST(113581.2964030703 / 8.0), + REAL_CONST(113605.77447127122 / 8.0), + REAL_CONST(113630.25385808491 / 8.0), + REAL_CONST(113654.73456336933 / 8.0), + REAL_CONST(113679.2165869825 / 8.0), + REAL_CONST(113703.69992878241 / 8.0), + REAL_CONST(113728.18458862718 / 8.0), + REAL_CONST(113752.67056637487 / 8.0), + REAL_CONST(113777.15786188368 / 8.0), + REAL_CONST(113801.64647501177 / 8.0), + REAL_CONST(113826.13640561736 / 8.0), + REAL_CONST(113850.62765355874 / 8.0), + REAL_CONST(113875.12021869418 / 8.0), + REAL_CONST(113899.61410088204 / 8.0), + REAL_CONST(113924.1092999807 / 8.0), + REAL_CONST(113948.60581584855 / 8.0), + REAL_CONST(113973.10364834407 / 8.0), + REAL_CONST(113997.60279732574 / 8.0), + REAL_CONST(114022.1032626521 / 8.0), + REAL_CONST(114046.60504418171 / 8.0), + REAL_CONST(114071.10814177318 / 8.0), + REAL_CONST(114095.61255528514 / 8.0), + REAL_CONST(114120.11828457628 / 8.0), + REAL_CONST(114144.62532950533 / 8.0), + REAL_CONST(114169.13368993104 / 8.0), + REAL_CONST(114193.6433657122 / 8.0), + REAL_CONST(114218.15435670764 / 8.0), + REAL_CONST(114242.66666277625 / 8.0), + REAL_CONST(114267.18028377694 / 8.0), + REAL_CONST(114291.69521956862 / 8.0), + REAL_CONST(114316.21147001031 / 8.0), + REAL_CONST(114340.72903496103 / 8.0), + REAL_CONST(114365.24791427983 / 8.0), + REAL_CONST(114389.7681078258 / 8.0), + REAL_CONST(114414.2896154581 / 8.0), + REAL_CONST(114438.81243703589 / 8.0), + REAL_CONST(114463.33657241837 / 8.0), + REAL_CONST(114487.8620214648 / 8.0), + REAL_CONST(114512.38878403447 / 8.0), + REAL_CONST(114536.91685998671 / 8.0), + REAL_CONST(114561.44624918087 / 8.0), + REAL_CONST(114585.97695147636 / 8.0), + REAL_CONST(114610.5089667326 / 8.0), + REAL_CONST(114635.04229480909 / 8.0), + REAL_CONST(114659.57693556532 / 8.0), + REAL_CONST(114684.11288886084 / 8.0), + REAL_CONST(114708.65015455526 / 8.0), + REAL_CONST(114733.18873250818 / 8.0), + REAL_CONST(114757.72862257928 / 8.0), + REAL_CONST(114782.26982462825 / 8.0), + REAL_CONST(114806.81233851484 / 8.0), + REAL_CONST(114831.35616409882 / 8.0), + REAL_CONST(114855.90130123998 / 8.0), + REAL_CONST(114880.44774979822 / 8.0), + REAL_CONST(114904.99550963337 / 8.0), + REAL_CONST(114929.5445806054 / 8.0), + REAL_CONST(114954.09496257425 / 8.0), + REAL_CONST(114978.64665539992 / 8.0), + REAL_CONST(115003.19965894247 / 8.0), + REAL_CONST(115027.75397306195 / 8.0), + REAL_CONST(115052.30959761847 / 8.0), + REAL_CONST(115076.86653247218 / 8.0), + REAL_CONST(115101.42477748329 / 8.0), + REAL_CONST(115125.984332512 / 8.0), + REAL_CONST(115150.54519741859 / 8.0), + REAL_CONST(115175.10737206334 / 8.0), + REAL_CONST(115199.67085630659 / 8.0), + REAL_CONST(115224.23565000873 / 8.0), + REAL_CONST(115248.80175303014 / 8.0), + REAL_CONST(115273.3691652313 / 8.0), + REAL_CONST(115297.93788647266 / 8.0), + REAL_CONST(115322.50791661476 / 8.0), + REAL_CONST(115347.07925551817 / 8.0), + REAL_CONST(115371.65190304347 / 8.0), + REAL_CONST(115396.22585905129 / 8.0), + REAL_CONST(115420.80112340231 / 8.0), + REAL_CONST(115445.37769595724 / 8.0), + REAL_CONST(115469.95557657682 / 8.0), + REAL_CONST(115494.53476512182 / 8.0), + REAL_CONST(115519.11526145306 / 8.0), + REAL_CONST(115543.69706543141 / 8.0), + REAL_CONST(115568.28017691776 / 8.0), + REAL_CONST(115592.86459577303 / 8.0), + REAL_CONST(115617.4503218582 / 8.0), + REAL_CONST(115642.03735503425 / 8.0), + REAL_CONST(115666.62569516223 / 8.0), + REAL_CONST(115691.21534210323 / 8.0), + REAL_CONST(115715.80629571836 / 8.0), + REAL_CONST(115740.39855586876 / 8.0), + REAL_CONST(115764.99212241563 / 8.0), + REAL_CONST(115789.58699522018 / 8.0), + REAL_CONST(115814.18317414368 / 8.0), + REAL_CONST(115838.78065904744 / 8.0), + REAL_CONST(115863.37944979276 / 8.0), + REAL_CONST(115887.97954624105 / 8.0), + REAL_CONST(115912.5809482537 / 8.0), + REAL_CONST(115937.18365569216 / 8.0), + REAL_CONST(115961.78766841792 / 8.0), + REAL_CONST(115986.39298629249 / 8.0), + REAL_CONST(116010.99960917742 / 8.0), + REAL_CONST(116035.60753693432 / 8.0), + REAL_CONST(116060.21676942479 / 8.0), + REAL_CONST(116084.82730651053 / 8.0), + REAL_CONST(116109.43914805322 / 8.0), + REAL_CONST(116134.0522939146 / 8.0), + REAL_CONST(116158.66674395646 / 8.0), + REAL_CONST(116183.2824980406 / 8.0), + REAL_CONST(116207.89955602887 / 8.0), + REAL_CONST(116232.51791778316 / 8.0), + REAL_CONST(116257.13758316539 / 8.0), + REAL_CONST(116281.75855203751 / 8.0), + REAL_CONST(116306.38082426153 / 8.0), + REAL_CONST(116331.00439969949 / 8.0), + REAL_CONST(116355.62927821343 / 8.0), + REAL_CONST(116380.25545966547 / 8.0), + REAL_CONST(116404.88294391775 / 8.0), + REAL_CONST(116429.51173083246 / 8.0), + REAL_CONST(116454.14182027178 / 8.0), + REAL_CONST(116478.77321209799 / 8.0), + REAL_CONST(116503.40590617337 / 8.0), + REAL_CONST(116528.03990236025 / 8.0), + REAL_CONST(116552.67520052097 / 8.0), + REAL_CONST(116577.31180051794 / 8.0), + REAL_CONST(116601.94970221359 / 8.0), + REAL_CONST(116626.5889054704 / 8.0), + REAL_CONST(116651.22941015086 / 8.0), + REAL_CONST(116675.87121611751 / 8.0), + REAL_CONST(116700.51432323294 / 8.0), + REAL_CONST(116725.15873135976 / 8.0), + REAL_CONST(116749.8044403606 / 8.0), + REAL_CONST(116774.45145009817 / 8.0), + REAL_CONST(116799.0997604352 / 8.0), + REAL_CONST(116823.74937123443 / 8.0), + REAL_CONST(116848.40028235866 / 8.0), + REAL_CONST(116873.05249367072 / 8.0), + REAL_CONST(116897.70600503348 / 8.0), + REAL_CONST(116922.36081630984 / 8.0), + REAL_CONST(116947.01692736275 / 8.0), + REAL_CONST(116971.67433805518 / 8.0), + REAL_CONST(116996.33304825013 / 8.0), + REAL_CONST(117020.99305781067 / 8.0), + REAL_CONST(117045.65436659988 / 8.0), + REAL_CONST(117070.31697448085 / 8.0), + REAL_CONST(117094.98088131678 / 8.0), + REAL_CONST(117119.64608697082 / 8.0), + REAL_CONST(117144.31259130624 / 8.0), + REAL_CONST(117168.98039418629 / 8.0), + REAL_CONST(117193.64949547425 / 8.0), + REAL_CONST(117218.31989503348 / 8.0), + REAL_CONST(117242.99159272734 / 8.0), + REAL_CONST(117267.66458841923 / 8.0), + REAL_CONST(117292.33888197262 / 8.0), + REAL_CONST(117317.01447325097 / 8.0), + REAL_CONST(117341.6913621178 / 8.0), + REAL_CONST(117366.36954843666 / 8.0), + REAL_CONST(117391.04903207115 / 8.0), + REAL_CONST(117415.72981288488 / 8.0), + REAL_CONST(117440.41189074152 / 8.0), + REAL_CONST(117465.09526550474 / 8.0), + REAL_CONST(117489.77993703831 / 8.0), + REAL_CONST(117514.46590520597 / 8.0), + REAL_CONST(117539.15316987153 / 8.0), + REAL_CONST(117563.84173089883 / 8.0), + REAL_CONST(117588.53158815173 / 8.0), + REAL_CONST(117613.22274149416 / 8.0), + REAL_CONST(117637.91519079007 / 8.0), + REAL_CONST(117662.60893590341 / 8.0), + REAL_CONST(117687.30397669821 / 8.0), + REAL_CONST(117712.00031303853 / 8.0), + REAL_CONST(117736.69794478847 / 8.0), + REAL_CONST(117761.39687181212 / 8.0), + REAL_CONST(117786.09709397367 / 8.0), + REAL_CONST(117810.7986111373 / 8.0), + REAL_CONST(117835.50142316725 / 8.0), + REAL_CONST(117860.20552992777 / 8.0), + REAL_CONST(117884.91093128319 / 8.0), + REAL_CONST(117909.6176270978 / 8.0), + REAL_CONST(117934.32561723603 / 8.0), + REAL_CONST(117959.03490156225 / 8.0), + REAL_CONST(117983.74547994092 / 8.0), + REAL_CONST(118008.45735223651 / 8.0), + REAL_CONST(118033.17051831353 / 8.0), + REAL_CONST(118057.88497803656 / 8.0), + REAL_CONST(118082.60073127014 / 8.0), + REAL_CONST(118107.31777787894 / 8.0), + REAL_CONST(118132.03611772758 / 8.0), + REAL_CONST(118156.75575068076 / 8.0), + REAL_CONST(118181.47667660323 / 8.0), + REAL_CONST(118206.19889535972 / 8.0), + REAL_CONST(118230.92240681504 / 8.0), + REAL_CONST(118255.64721083404 / 8.0), + REAL_CONST(118280.37330728157 / 8.0), + REAL_CONST(118305.10069602253 / 8.0), + REAL_CONST(118329.82937692189 / 8.0), + REAL_CONST(118354.55934984458 / 8.0), + REAL_CONST(118379.29061465565 / 8.0), + REAL_CONST(118404.02317122012 / 8.0), + REAL_CONST(118428.75701940308 / 8.0), + REAL_CONST(118453.49215906965 / 8.0), + REAL_CONST(118478.22859008498 / 8.0), + REAL_CONST(118502.96631231424 / 8.0), + REAL_CONST(118527.70532562268 / 8.0), + REAL_CONST(118552.44562987552 / 8.0), + REAL_CONST(118577.18722493808 / 8.0), + REAL_CONST(118601.93011067568 / 8.0), + REAL_CONST(118626.67428695368 / 8.0), + REAL_CONST(118651.41975363747 / 8.0), + REAL_CONST(118676.16651059251 / 8.0), + REAL_CONST(118700.91455768423 / 8.0), + REAL_CONST(118725.66389477813 / 8.0), + REAL_CONST(118750.41452173979 / 8.0), + REAL_CONST(118775.16643843475 / 8.0), + REAL_CONST(118799.91964472862 / 8.0), + REAL_CONST(118824.67414048707 / 8.0), + REAL_CONST(118849.42992557574 / 8.0), + REAL_CONST(118874.18699986035 / 8.0), + REAL_CONST(118898.94536320666 / 8.0), + REAL_CONST(118923.70501548045 / 8.0), + REAL_CONST(118948.46595654752 / 8.0), + REAL_CONST(118973.22818627374 / 8.0), + REAL_CONST(118997.99170452499 / 8.0), + REAL_CONST(119022.7565111672 / 8.0), + REAL_CONST(119047.52260606633 / 8.0), + REAL_CONST(119072.28998908834 / 8.0), + REAL_CONST(119097.0586600993 / 8.0), + REAL_CONST(119121.82861896523 / 8.0), + REAL_CONST(119146.59986555226 / 8.0), + REAL_CONST(119171.3723997265 / 8.0), + REAL_CONST(119196.14622135412 / 8.0), + REAL_CONST(119220.92133030134 / 8.0), + REAL_CONST(119245.69772643436 / 8.0), + REAL_CONST(119270.47540961947 / 8.0), + REAL_CONST(119295.25437972297 / 8.0), + REAL_CONST(119320.03463661121 / 8.0), + REAL_CONST(119344.81618015055 / 8.0), + REAL_CONST(119369.5990102074 / 8.0), + REAL_CONST(119394.38312664822 / 8.0), + REAL_CONST(119419.16852933947 / 8.0), + REAL_CONST(119443.95521814766 / 8.0), + REAL_CONST(119468.74319293935 / 8.0), + REAL_CONST(119493.53245358112 / 8.0), + REAL_CONST(119518.32299993958 / 8.0), + REAL_CONST(119543.11483188139 / 8.0), + REAL_CONST(119567.90794927324 / 8.0), + REAL_CONST(119592.70235198183 / 8.0), + REAL_CONST(119617.49803987393 / 8.0), + REAL_CONST(119642.29501281632 / 8.0), + REAL_CONST(119667.09327067583 / 8.0), + REAL_CONST(119691.89281331931 / 8.0), + REAL_CONST(119716.69364061367 / 8.0), + REAL_CONST(119741.49575242582 / 8.0), + REAL_CONST(119766.29914862274 / 8.0), + REAL_CONST(119791.10382907141 / 8.0), + REAL_CONST(119815.90979363887 / 8.0), + REAL_CONST(119840.71704219218 / 8.0), + REAL_CONST(119865.52557459843 / 8.0), + REAL_CONST(119890.33539072477 / 8.0), + REAL_CONST(119915.14649043836 / 8.0), + REAL_CONST(119939.95887360642 / 8.0), + REAL_CONST(119964.77254009615 / 8.0), + REAL_CONST(119989.58748977486 / 8.0), + REAL_CONST(120014.40372250983 / 8.0), + REAL_CONST(120039.22123816841 / 8.0), + REAL_CONST(120064.04003661797 / 8.0), + REAL_CONST(120088.86011772591 / 8.0), + REAL_CONST(120113.6814813597 / 8.0), + REAL_CONST(120138.5041273868 / 8.0), + REAL_CONST(120163.3280556747 / 8.0), + REAL_CONST(120188.15326609099 / 8.0), + REAL_CONST(120212.97975850321 / 8.0), + REAL_CONST(120237.807532779 / 8.0), + REAL_CONST(120262.63658878599 / 8.0), + REAL_CONST(120287.46692639188 / 8.0), + REAL_CONST(120312.29854546436 / 8.0), + REAL_CONST(120337.13144587121 / 8.0), + REAL_CONST(120361.9656274802 / 8.0), + REAL_CONST(120386.80109015915 / 8.0), + REAL_CONST(120411.63783377589 / 8.0), + REAL_CONST(120436.47585819835 / 8.0), + REAL_CONST(120461.31516329442 / 8.0), + REAL_CONST(120486.15574893207 / 8.0), + REAL_CONST(120510.99761497928 / 8.0), + REAL_CONST(120535.84076130406 / 8.0), + REAL_CONST(120560.68518777451 / 8.0), + REAL_CONST(120585.53089425867 / 8.0), + REAL_CONST(120610.3778806247 / 8.0), + REAL_CONST(120635.22614674074 / 8.0), + REAL_CONST(120660.07569247499 / 8.0), + REAL_CONST(120684.92651769568 / 8.0), + REAL_CONST(120709.77862227106 / 8.0), + REAL_CONST(120734.63200606944 / 8.0), + REAL_CONST(120759.48666895913 / 8.0), + REAL_CONST(120784.3426108085 / 8.0), + REAL_CONST(120809.19983148595 / 8.0), + REAL_CONST(120834.05833085992 / 8.0), + REAL_CONST(120858.91810879884 / 8.0), + REAL_CONST(120883.77916517125 / 8.0), + REAL_CONST(120908.64149984565 / 8.0), + REAL_CONST(120933.5051126906 / 8.0), + REAL_CONST(120958.37000357473 / 8.0), + REAL_CONST(120983.23617236665 / 8.0), + REAL_CONST(121008.10361893504 / 8.0), + REAL_CONST(121032.97234314861 / 8.0), + REAL_CONST(121057.84234487606 / 8.0), + REAL_CONST(121082.71362398617 / 8.0), + REAL_CONST(121107.58618034775 / 8.0), + REAL_CONST(121132.46001382964 / 8.0), + REAL_CONST(121157.33512430069 / 8.0), + REAL_CONST(121182.21151162982 / 8.0), + REAL_CONST(121207.08917568595 / 8.0), + REAL_CONST(121231.96811633807 / 8.0), + REAL_CONST(121256.84833345517 / 8.0), + REAL_CONST(121281.72982690629 / 8.0), + REAL_CONST(121306.61259656049 / 8.0), + REAL_CONST(121331.49664228689 / 8.0), + REAL_CONST(121356.38196395461 / 8.0), + REAL_CONST(121381.26856143285 / 8.0), + REAL_CONST(121406.15643459078 / 8.0), + REAL_CONST(121431.04558329767 / 8.0), + REAL_CONST(121455.93600742276 / 8.0), + REAL_CONST(121480.82770683538 / 8.0), + REAL_CONST(121505.72068140487 / 8.0), + REAL_CONST(121530.61493100057 / 8.0), + REAL_CONST(121555.51045549192 / 8.0), + REAL_CONST(121580.40725474835 / 8.0), + REAL_CONST(121605.30532863933 / 8.0), + REAL_CONST(121630.20467703436 / 8.0), + REAL_CONST(121655.10529980299 / 8.0), + REAL_CONST(121680.00719681478 / 8.0), + REAL_CONST(121704.91036793934 / 8.0), + REAL_CONST(121729.81481304632 / 8.0), + REAL_CONST(121754.72053200539 / 8.0), + REAL_CONST(121779.62752468624 / 8.0), + REAL_CONST(121804.53579095862 / 8.0), + REAL_CONST(121829.44533069231 / 8.0), + REAL_CONST(121854.3561437571 / 8.0), + REAL_CONST(121879.26823002285 / 8.0), + REAL_CONST(121904.1815893594 / 8.0), + REAL_CONST(121929.09622163669 / 8.0), + REAL_CONST(121954.01212672464 / 8.0), + REAL_CONST(121978.92930449323 / 8.0), + REAL_CONST(122003.84775481246 / 8.0), + REAL_CONST(122028.76747755238 / 8.0), + REAL_CONST(122053.68847258303 / 8.0), + REAL_CONST(122078.61073977455 / 8.0), + REAL_CONST(122103.53427899707 / 8.0), + REAL_CONST(122128.45909012076 / 8.0), + REAL_CONST(122153.38517301581 / 8.0), + REAL_CONST(122178.31252755247 / 8.0), + REAL_CONST(122203.24115360099 / 8.0), + REAL_CONST(122228.17105103172 / 8.0), + REAL_CONST(122253.10221971494 / 8.0), + REAL_CONST(122278.03465952107 / 8.0), + REAL_CONST(122302.96837032049 / 8.0), + REAL_CONST(122327.90335198362 / 8.0), + REAL_CONST(122352.83960438096 / 8.0), + REAL_CONST(122377.777127383 / 8.0), + REAL_CONST(122402.71592086025 / 8.0), + REAL_CONST(122427.65598468333 / 8.0), + REAL_CONST(122452.59731872278 / 8.0), + REAL_CONST(122477.53992284928 / 8.0), + REAL_CONST(122502.48379693348 / 8.0), + REAL_CONST(122527.42894084606 / 8.0), + REAL_CONST(122552.37535445779 / 8.0), + REAL_CONST(122577.32303763942 / 8.0), + REAL_CONST(122602.27199026172 / 8.0), + REAL_CONST(122627.22221219557 / 8.0), + REAL_CONST(122652.17370331181 / 8.0), + REAL_CONST(122677.12646348133 / 8.0), + REAL_CONST(122702.08049257506 / 8.0), + REAL_CONST(122727.03579046397 / 8.0), + REAL_CONST(122751.99235701906 / 8.0), + REAL_CONST(122776.95019211136 / 8.0), + REAL_CONST(122801.9092956119 / 8.0), + REAL_CONST(122826.8696673918 / 8.0), + REAL_CONST(122851.83130732219 / 8.0), + REAL_CONST(122876.79421527422 / 8.0), + REAL_CONST(122901.75839111909 / 8.0), + REAL_CONST(122926.72383472799 / 8.0), + REAL_CONST(122951.69054597223 / 8.0), + REAL_CONST(122976.65852472307 / 8.0), + REAL_CONST(123001.62777085182 / 8.0), + REAL_CONST(123026.59828422987 / 8.0), + REAL_CONST(123051.57006472857 / 8.0), + REAL_CONST(123076.54311221937 / 8.0), + REAL_CONST(123101.5174265737 / 8.0), + REAL_CONST(123126.49300766307 / 8.0), + REAL_CONST(123151.46985535898 / 8.0), + REAL_CONST(123176.44796953299 / 8.0), + REAL_CONST(123201.42735005668 / 8.0), + REAL_CONST(123226.40799680166 / 8.0), + REAL_CONST(123251.38990963959 / 8.0), + REAL_CONST(123276.37308844214 / 8.0), + REAL_CONST(123301.35753308103 / 8.0), + REAL_CONST(123326.343243428 / 8.0), + REAL_CONST(123351.33021935483 / 8.0), + REAL_CONST(123376.31846073334 / 8.0), + REAL_CONST(123401.30796743535 / 8.0), + REAL_CONST(123426.29873933276 / 8.0), + REAL_CONST(123451.29077629748 / 8.0), + REAL_CONST(123476.28407820144 / 8.0), + REAL_CONST(123501.2786449166 / 8.0), + REAL_CONST(123526.27447631498 / 8.0), + REAL_CONST(123551.27157226863 / 8.0), + REAL_CONST(123576.26993264959 / 8.0), + REAL_CONST(123601.26955732999 / 8.0), + REAL_CONST(123626.27044618195 / 8.0), + REAL_CONST(123651.27259907764 / 8.0), + REAL_CONST(123676.27601588926 / 8.0), + REAL_CONST(123701.28069648903 / 8.0), + REAL_CONST(123726.28664074924 / 8.0), + REAL_CONST(123751.29384854218 / 8.0), + REAL_CONST(123776.30231974016 / 8.0), + REAL_CONST(123801.31205421555 / 8.0), + REAL_CONST(123826.32305184075 / 8.0), + REAL_CONST(123851.33531248817 / 8.0), + REAL_CONST(123876.34883603029 / 8.0), + REAL_CONST(123901.36362233957 / 8.0), + REAL_CONST(123926.37967128855 / 8.0), + REAL_CONST(123951.39698274979 / 8.0), + REAL_CONST(123976.41555659588 / 8.0), + REAL_CONST(124001.43539269941 / 8.0), + REAL_CONST(124026.45649093305 / 8.0), + REAL_CONST(124051.47885116948 / 8.0), + REAL_CONST(124076.50247328142 / 8.0), + REAL_CONST(124101.5273571416 / 8.0), + REAL_CONST(124126.55350262282 / 8.0), + REAL_CONST(124151.58090959788 / 8.0), + REAL_CONST(124176.60957793961 / 8.0), + REAL_CONST(124201.63950752091 / 8.0), + REAL_CONST(124226.67069821467 / 8.0), + REAL_CONST(124251.70314989384 / 8.0), + REAL_CONST(124276.73686243138 / 8.0), + REAL_CONST(124301.7718357003 / 8.0), + REAL_CONST(124326.80806957364 / 8.0), + REAL_CONST(124351.84556392446 / 8.0), + REAL_CONST(124376.88431862585 / 8.0), + REAL_CONST(124401.92433355095 / 8.0), + REAL_CONST(124426.96560857294 / 8.0), + REAL_CONST(124452.00814356498 / 8.0), + REAL_CONST(124477.05193840031 / 8.0), + REAL_CONST(124502.0969929522 / 8.0), + REAL_CONST(124527.14330709392 / 8.0), + REAL_CONST(124552.19088069882 / 8.0), + REAL_CONST(124577.23971364023 / 8.0), + REAL_CONST(124602.28980579154 / 8.0), + REAL_CONST(124627.34115702618 / 8.0), + REAL_CONST(124652.3937672176 / 8.0), + REAL_CONST(124677.44763623926 / 8.0), + REAL_CONST(124702.50276396469 / 8.0), + REAL_CONST(124727.55915026742 / 8.0), + REAL_CONST(124752.61679502104 / 8.0), + REAL_CONST(124777.67569809916 / 8.0), + REAL_CONST(124802.73585937542 / 8.0), + REAL_CONST(124827.79727872348 / 8.0), + REAL_CONST(124852.85995601704 / 8.0), + REAL_CONST(124877.92389112986 / 8.0), + REAL_CONST(124902.98908393568 / 8.0), + REAL_CONST(124928.05553430831 / 8.0), + REAL_CONST(124953.1232421216 / 8.0), + REAL_CONST(124978.19220724938 / 8.0), + REAL_CONST(125003.26242956554 / 8.0), + REAL_CONST(125028.33390894404 / 8.0), + REAL_CONST(125053.40664525882 / 8.0), + REAL_CONST(125078.48063838384 / 8.0), + REAL_CONST(125103.55588819318 / 8.0), + REAL_CONST(125128.63239456083 / 8.0), + REAL_CONST(125153.71015736091 / 8.0), + REAL_CONST(125178.78917646752 / 8.0), + REAL_CONST(125203.86945175481 / 8.0), + REAL_CONST(125228.95098309696 / 8.0), + REAL_CONST(125254.03377036817 / 8.0), + REAL_CONST(125279.1178134427 / 8.0), + REAL_CONST(125304.20311219479 / 8.0), + REAL_CONST(125329.28966649878 / 8.0), + REAL_CONST(125354.37747622898 / 8.0), + REAL_CONST(125379.46654125977 / 8.0), + REAL_CONST(125404.55686146552 / 8.0), + REAL_CONST(125429.6484367207 / 8.0), + REAL_CONST(125454.74126689974 / 8.0), + REAL_CONST(125479.83535187715 / 8.0), + REAL_CONST(125504.93069152744 / 8.0), + REAL_CONST(125530.02728572517 / 8.0), + REAL_CONST(125555.12513434493 / 8.0), + REAL_CONST(125580.22423726133 / 8.0), + REAL_CONST(125605.32459434902 / 8.0), + REAL_CONST(125630.4262054827 / 8.0), + REAL_CONST(125655.52907053704 / 8.0), + REAL_CONST(125680.63318938682 / 8.0), + REAL_CONST(125705.73856190679 / 8.0), + REAL_CONST(125730.84518797178 / 8.0), + REAL_CONST(125755.9530674566 / 8.0), + REAL_CONST(125781.06220023613 / 8.0), + REAL_CONST(125806.17258618528 / 8.0), + REAL_CONST(125831.28422517896 / 8.0), + REAL_CONST(125856.39711709213 / 8.0), + REAL_CONST(125881.51126179981 / 8.0), + REAL_CONST(125906.62665917698 / 8.0), + REAL_CONST(125931.74330909875 / 8.0), + REAL_CONST(125956.86121144016 / 8.0), + REAL_CONST(125981.98036607634 / 8.0), + REAL_CONST(126007.10077288245 / 8.0), + REAL_CONST(126032.22243173365 / 8.0), + REAL_CONST(126057.34534250517 / 8.0), + REAL_CONST(126082.46950507225 / 8.0), + REAL_CONST(126107.59491931014 / 8.0), + REAL_CONST(126132.72158509417 / 8.0), + REAL_CONST(126157.84950229966 / 8.0), + REAL_CONST(126182.97867080198 / 8.0), + REAL_CONST(126208.10909047653 / 8.0), + REAL_CONST(126233.24076119871 / 8.0), + REAL_CONST(126258.37368284403 / 8.0), + REAL_CONST(126283.50785528794 / 8.0), + REAL_CONST(126308.64327840599 / 8.0), + REAL_CONST(126333.77995207369 / 8.0), + REAL_CONST(126358.91787616667 / 8.0), + REAL_CONST(126384.0570505605 / 8.0), + REAL_CONST(126409.19747513086 / 8.0), + REAL_CONST(126434.3391497534 / 8.0), + REAL_CONST(126459.48207430386 / 8.0), + REAL_CONST(126484.62624865794 / 8.0), + REAL_CONST(126509.77167269142 / 8.0), + REAL_CONST(126534.9183462801 / 8.0), + REAL_CONST(126560.06626929982 / 8.0), + REAL_CONST(126585.21544162642 / 8.0), + REAL_CONST(126610.36586313581 / 8.0), + REAL_CONST(126635.51753370393 / 8.0), + REAL_CONST(126660.67045320668 / 8.0), + REAL_CONST(126685.82462152008 / 8.0), + REAL_CONST(126710.98003852014 / 8.0), + REAL_CONST(126736.13670408291 / 8.0), + REAL_CONST(126761.29461808444 / 8.0), + REAL_CONST(126786.45378040087 / 8.0), + REAL_CONST(126811.61419090834 / 8.0), + REAL_CONST(126836.77584948298 / 8.0), + REAL_CONST(126861.93875600102 / 8.0), + REAL_CONST(126887.10291033868 / 8.0), + REAL_CONST(126912.26831237224 / 8.0), + REAL_CONST(126937.43496197795 / 8.0), + REAL_CONST(126962.60285903217 / 8.0), + REAL_CONST(126987.77200341123 / 8.0), + REAL_CONST(127012.94239499152 / 8.0), + REAL_CONST(127038.11403364947 / 8.0), + REAL_CONST(127063.2869192615 / 8.0), + REAL_CONST(127088.46105170409 / 8.0), + REAL_CONST(127113.63643085376 / 8.0), + REAL_CONST(127138.81305658702 / 8.0), + REAL_CONST(127163.99092878048 / 8.0), + REAL_CONST(127189.17004731069 / 8.0), + REAL_CONST(127214.35041205429 / 8.0), + REAL_CONST(127239.53202288797 / 8.0), + REAL_CONST(127264.71487968838 / 8.0), + REAL_CONST(127289.89898233226 / 8.0), + REAL_CONST(127315.08433069635 / 8.0), + REAL_CONST(127340.27092465744 / 8.0), + REAL_CONST(127365.45876409234 / 8.0), + REAL_CONST(127390.64784887788 / 8.0), + REAL_CONST(127415.83817889093 / 8.0), + REAL_CONST(127441.02975400841 / 8.0), + REAL_CONST(127466.22257410725 / 8.0), + REAL_CONST(127491.41663906439 / 8.0), + REAL_CONST(127516.61194875685 / 8.0), + REAL_CONST(127541.80850306165 / 8.0), + REAL_CONST(127567.00630185583 / 8.0), + REAL_CONST(127592.20534501647 / 8.0), + REAL_CONST(127617.4056324207 / 8.0), + REAL_CONST(127642.60716394568 / 8.0), + REAL_CONST(127667.80993946856 / 8.0), + REAL_CONST(127693.01395886653 / 8.0), + REAL_CONST(127718.21922201688 / 8.0), + REAL_CONST(127743.42572879682 / 8.0), + REAL_CONST(127768.63347908368 / 8.0), + REAL_CONST(127793.84247275478 / 8.0), + REAL_CONST(127819.05270968749 / 8.0), + REAL_CONST(127844.26418975917 / 8.0), + REAL_CONST(127869.47691284724 / 8.0), + REAL_CONST(127894.69087882918 / 8.0), + REAL_CONST(127919.90608758242 / 8.0), + REAL_CONST(127945.12253898452 / 8.0), + REAL_CONST(127970.34023291297 / 8.0), + REAL_CONST(127995.55916924537 / 8.0), + REAL_CONST(128020.77934785932 / 8.0), + REAL_CONST(128046.00076863244 / 8.0), + REAL_CONST(128071.22343144237 / 8.0), + REAL_CONST(128096.44733616684 / 8.0), + REAL_CONST(128121.67248268353 / 8.0), + REAL_CONST(128146.89887087021 / 8.0), + REAL_CONST(128172.12650060465 / 8.0), + REAL_CONST(128197.35537176467 / 8.0), + REAL_CONST(128222.5854842281 / 8.0), + REAL_CONST(128247.81683787282 / 8.0), + REAL_CONST(128273.04943257671 / 8.0), + REAL_CONST(128298.28326821771 / 8.0), + REAL_CONST(128323.51834467379 / 8.0), + REAL_CONST(128348.75466182294 / 8.0), + REAL_CONST(128373.99221954317 / 8.0), + REAL_CONST(128399.23101771252 / 8.0), + REAL_CONST(128424.47105620909 / 8.0), + REAL_CONST(128449.71233491098 / 8.0), + REAL_CONST(128474.95485369631 / 8.0), + REAL_CONST(128500.19861244329 / 8.0), + REAL_CONST(128525.44361103009 / 8.0), + REAL_CONST(128550.68984933494 / 8.0), + REAL_CONST(128575.93732723613 / 8.0), + REAL_CONST(128601.18604461191 / 8.0), + REAL_CONST(128626.43600134061 / 8.0), + REAL_CONST(128651.68719730059 / 8.0), + REAL_CONST(128676.93963237021 / 8.0), + REAL_CONST(128702.1933064279 / 8.0), + REAL_CONST(128727.44821935208 / 8.0), + REAL_CONST(128752.70437102125 / 8.0), + REAL_CONST(128777.96176131385 / 8.0), + REAL_CONST(128803.22039010846 / 8.0), + REAL_CONST(128828.48025728362 / 8.0), + REAL_CONST(128853.74136271792 / 8.0), + REAL_CONST(128879.00370628996 / 8.0), + REAL_CONST(128904.26728787841 / 8.0), + REAL_CONST(128929.53210736193 / 8.0), + REAL_CONST(128954.79816461923 / 8.0), + REAL_CONST(128980.06545952905 / 8.0), + REAL_CONST(129005.33399197015 / 8.0), + REAL_CONST(129030.60376182134 / 8.0), + REAL_CONST(129055.87476896142 / 8.0), + REAL_CONST(129081.14701326926 / 8.0), + REAL_CONST(129106.42049462376 / 8.0), + REAL_CONST(129131.6952129038 / 8.0), + REAL_CONST(129156.97116798835 / 8.0), + REAL_CONST(129182.24835975636 / 8.0), + REAL_CONST(129207.52678808685 / 8.0), + REAL_CONST(129232.80645285884 / 8.0), + REAL_CONST(129258.08735395141 / 8.0), + REAL_CONST(129283.36949124365 / 8.0), + REAL_CONST(129308.65286461466 / 8.0), + REAL_CONST(129333.9374739436 / 8.0), + REAL_CONST(129359.22331910966 / 8.0), + REAL_CONST(129384.51039999202 / 8.0), + REAL_CONST(129409.79871646997 / 8.0), + REAL_CONST(129435.08826842274 / 8.0), + REAL_CONST(129460.37905572963 / 8.0), + REAL_CONST(129485.67107826998 / 8.0), + REAL_CONST(129510.96433592314 / 8.0), + REAL_CONST(129536.25882856851 / 8.0), + REAL_CONST(129561.55455608548 / 8.0), + REAL_CONST(129586.85151835352 / 8.0), + REAL_CONST(129612.14971525209 / 8.0), + REAL_CONST(129637.4491466607 / 8.0), + REAL_CONST(129662.74981245887 / 8.0), + REAL_CONST(129688.0517125262 / 8.0), + REAL_CONST(129713.35484674224 / 8.0), + REAL_CONST(129738.65921498663 / 8.0), + REAL_CONST(129763.96481713903 / 8.0), + REAL_CONST(129789.27165307909 / 8.0), + REAL_CONST(129814.57972268655 / 8.0), + REAL_CONST(129839.88902584116 / 8.0), + REAL_CONST(129865.19956242264 / 8.0), + REAL_CONST(129890.51133231082 / 8.0), + REAL_CONST(129915.82433538554 / 8.0), + REAL_CONST(129941.13857152662 / 8.0), + REAL_CONST(129966.45404061397 / 8.0), + REAL_CONST(129991.7707425275 / 8.0), + REAL_CONST(130017.08867714716 / 8.0), + REAL_CONST(130042.4078443529 / 8.0), + REAL_CONST(130067.72824402474 / 8.0), + REAL_CONST(130093.04987604271 / 8.0), + REAL_CONST(130118.37274028687 / 8.0), + REAL_CONST(130143.69683663732 / 8.0), + REAL_CONST(130169.02216497416 / 8.0), + REAL_CONST(130194.34872517755 / 8.0), + REAL_CONST(130219.67651712766 / 8.0), + REAL_CONST(130245.0055407047 / 8.0), + REAL_CONST(130270.33579578891 / 8.0), + REAL_CONST(130295.66728226055 / 8.0), + REAL_CONST(130320.99999999991 / 8.0), + REAL_CONST(130346.33394888733 / 8.0), + REAL_CONST(130371.66912880314 / 8.0), + REAL_CONST(130397.00553962773 / 8.0), + REAL_CONST(130422.34318124152 / 8.0), + REAL_CONST(130447.68205352494 / 8.0), + REAL_CONST(130473.02215635845 / 8.0), + REAL_CONST(130498.36348962256 / 8.0), + REAL_CONST(130523.70605319779 / 8.0), + REAL_CONST(130549.0498469647 / 8.0), + REAL_CONST(130574.39487080388 / 8.0), + REAL_CONST(130599.74112459592 / 8.0), + REAL_CONST(130625.08860822149 / 8.0), + REAL_CONST(130650.43732156123 / 8.0), + REAL_CONST(130675.78726449587 / 8.0), + REAL_CONST(130701.13843690613 / 8.0), + REAL_CONST(130726.49083867275 / 8.0), + REAL_CONST(130751.84446967654 / 8.0), + REAL_CONST(130777.19932979831 / 8.0), + REAL_CONST(130802.5554189189 / 8.0), + REAL_CONST(130827.91273691918 / 8.0), + REAL_CONST(130853.27128368006 / 8.0), + REAL_CONST(130878.63105908247 / 8.0), + REAL_CONST(130903.99206300738 / 8.0), + REAL_CONST(130929.35429533575 / 8.0), + REAL_CONST(130954.71775594862 / 8.0), + REAL_CONST(130980.08244472703 / 8.0), + REAL_CONST(131005.44836155206 / 8.0), + REAL_CONST(131030.81550630482 / 8.0), + REAL_CONST(131056.18387886642 / 8.0), + REAL_CONST(131081.55347911804 / 8.0), + REAL_CONST(131106.92430694087 / 8.0), + REAL_CONST(131132.29636221612 / 8.0), + REAL_CONST(131157.66964482504 / 8.0), + REAL_CONST(131183.0441546489 / 8.0), + REAL_CONST(131208.41989156904 / 8.0), + REAL_CONST(131233.79685546676 / 8.0), + REAL_CONST(131259.17504622342 / 8.0), + REAL_CONST(131284.55446372041 / 8.0), + REAL_CONST(131309.93510783918 / 8.0), + REAL_CONST(131335.31697846117 / 8.0), + REAL_CONST(131360.70007546784 / 8.0), + REAL_CONST(131386.0843987407 / 8.0), + REAL_CONST(131411.46994816128 / 8.0), + REAL_CONST(131436.85672361116 / 8.0), + REAL_CONST(131462.24472497194 / 8.0), + REAL_CONST(131487.63395212521 / 8.0), + REAL_CONST(131513.02440495262 / 8.0), + REAL_CONST(131538.41608333588 / 8.0), + REAL_CONST(131563.80898715663 / 8.0), + REAL_CONST(131589.2031162967 / 8.0), + REAL_CONST(131614.59847063778 / 8.0), + REAL_CONST(131639.9950500617 / 8.0), + REAL_CONST(131665.39285445024 / 8.0), + REAL_CONST(131690.79188368531 / 8.0), + REAL_CONST(131716.19213764873 / 8.0), + REAL_CONST(131741.59361622241 / 8.0), + REAL_CONST(131766.99631928833 / 8.0), + REAL_CONST(131792.40024672839 / 8.0), + REAL_CONST(131817.80539842462 / 8.0), + REAL_CONST(131843.21177425905 / 8.0), + REAL_CONST(131868.61937411371 / 8.0), + REAL_CONST(131894.02819787065 / 8.0), + REAL_CONST(131919.43824541202 / 8.0), + REAL_CONST(131944.84951661993 / 8.0), + REAL_CONST(131970.26201137656 / 8.0), + REAL_CONST(131995.67572956407 / 8.0), + REAL_CONST(132021.09067106468 / 8.0), + REAL_CONST(132046.50683576067 / 8.0), + REAL_CONST(132071.9242235343 / 8.0), + REAL_CONST(132097.34283426782 / 8.0), + REAL_CONST(132122.76266784366 / 8.0), + REAL_CONST(132148.1837241441 / 8.0), + REAL_CONST(132173.60600305157 / 8.0), + REAL_CONST(132199.02950444847 / 8.0), + REAL_CONST(132224.45422821722 / 8.0), + REAL_CONST(132249.88017424036 / 8.0), + REAL_CONST(132275.30734240031 / 8.0), + REAL_CONST(132300.73573257966 / 8.0), + REAL_CONST(132326.16534466096 / 8.0), + REAL_CONST(132351.59617852676 / 8.0), + REAL_CONST(132377.02823405969 / 8.0), + REAL_CONST(132402.46151114244 / 8.0), + REAL_CONST(132427.89600965759 / 8.0), + REAL_CONST(132453.33172948789 / 8.0), + REAL_CONST(132478.76867051609 / 8.0), + REAL_CONST(132504.20683262491 / 8.0), + REAL_CONST(132529.64621569714 / 8.0), + REAL_CONST(132555.08681961559 / 8.0), + REAL_CONST(132580.5286442631 / 8.0), + REAL_CONST(132605.97168952253 / 8.0), + REAL_CONST(132631.41595527678 / 8.0), + REAL_CONST(132656.86144140881 / 8.0), + REAL_CONST(132682.30814780149 / 8.0), + REAL_CONST(132707.75607433787 / 8.0), + REAL_CONST(132733.20522090094 / 8.0), + REAL_CONST(132758.65558737374 / 8.0), + REAL_CONST(132784.10717363929 / 8.0), + REAL_CONST(132809.55997958075 / 8.0), + REAL_CONST(132835.01400508118 / 8.0), + REAL_CONST(132860.46925002377 / 8.0), + REAL_CONST(132885.92571429166 / 8.0), + REAL_CONST(132911.38339776811 / 8.0), + REAL_CONST(132936.84230033628 / 8.0), + REAL_CONST(132962.30242187946 / 8.0), + REAL_CONST(132987.76376228096 / 8.0), + REAL_CONST(133013.22632142407 / 8.0), + REAL_CONST(133038.69009919214 / 8.0), + REAL_CONST(133064.15509546854 / 8.0), + REAL_CONST(133089.62131013666 / 8.0), + REAL_CONST(133115.08874307995 / 8.0), + REAL_CONST(133140.55739418184 / 8.0), + REAL_CONST(133166.02726332581 / 8.0), + REAL_CONST(133191.49835039541 / 8.0), + REAL_CONST(133216.97065527414 / 8.0), + REAL_CONST(133242.44417784561 / 8.0), + REAL_CONST(133267.91891799335 / 8.0), + REAL_CONST(133293.39487560102 / 8.0), + REAL_CONST(133318.87205055228 / 8.0), + REAL_CONST(133344.35044273079 / 8.0), + REAL_CONST(133369.83005202023 / 8.0), + REAL_CONST(133395.31087830439 / 8.0), + REAL_CONST(133420.79292146701 / 8.0), + REAL_CONST(133446.27618139185 / 8.0), + REAL_CONST(133471.76065796276 / 8.0), + REAL_CONST(133497.24635106357 / 8.0), + REAL_CONST(133522.73326057816 / 8.0), + REAL_CONST(133548.22138639039 / 8.0), + REAL_CONST(133573.71072838426 / 8.0), + REAL_CONST(133599.20128644365 / 8.0), + REAL_CONST(133624.69306045261 / 8.0), + REAL_CONST(133650.1860502951 / 8.0), + REAL_CONST(133675.68025585517 / 8.0), + REAL_CONST(133701.1756770169 / 8.0), + REAL_CONST(133726.67231366437 / 8.0), + REAL_CONST(133752.17016568172 / 8.0), + REAL_CONST(133777.66923295305 / 8.0), + REAL_CONST(133803.16951536259 / 8.0), + REAL_CONST(133828.67101279454 / 8.0), + REAL_CONST(133854.17372513309 / 8.0), + REAL_CONST(133879.67765226253 / 8.0), + REAL_CONST(133905.18279406714 / 8.0), + REAL_CONST(133930.68915043125 / 8.0), + REAL_CONST(133956.19672123916 / 8.0), + REAL_CONST(133981.70550637526 / 8.0), + REAL_CONST(134007.21550572399 / 8.0), + REAL_CONST(134032.7267191697 / 8.0), + REAL_CONST(134058.23914659687 / 8.0), + REAL_CONST(134083.75278789 / 8.0), + REAL_CONST(134109.26764293358 / 8.0), + REAL_CONST(134134.78371161217 / 8.0), + REAL_CONST(134160.30099381026 / 8.0), + REAL_CONST(134185.8194894125 / 8.0), + REAL_CONST(134211.33919830353 / 8.0), + REAL_CONST(134236.8601203679 / 8.0), + REAL_CONST(134262.38225549037 / 8.0), + REAL_CONST(134287.90560355558 / 8.0), + REAL_CONST(134313.43016444831 / 8.0), + REAL_CONST(134338.95593805326 / 8.0), + REAL_CONST(134364.48292425525 / 8.0), + REAL_CONST(134390.01112293909 / 8.0), + REAL_CONST(134415.54053398955 / 8.0), + REAL_CONST(134441.07115729159 / 8.0), + REAL_CONST(134466.60299273001 / 8.0), + REAL_CONST(134492.1360401898 / 8.0), + REAL_CONST(134517.67029955584 / 8.0), + REAL_CONST(134543.20577071316 / 8.0), + REAL_CONST(134568.74245354676 / 8.0), + REAL_CONST(134594.28034794159 / 8.0), + REAL_CONST(134619.81945378278 / 8.0), + REAL_CONST(134645.35977095537 / 8.0), + REAL_CONST(134670.90129934452 / 8.0), + REAL_CONST(134696.4440388353 / 8.0), + REAL_CONST(134721.98798931291 / 8.0), + REAL_CONST(134747.53315066252 / 8.0), + REAL_CONST(134773.07952276937 / 8.0), + REAL_CONST(134798.62710551871 / 8.0), + REAL_CONST(134824.17589879577 / 8.0), + REAL_CONST(134849.72590248589 / 8.0), + REAL_CONST(134875.27711647438 / 8.0), + REAL_CONST(134900.82954064661 / 8.0), + REAL_CONST(134926.38317488792 / 8.0), + REAL_CONST(134951.93801908373 / 8.0), + REAL_CONST(134977.49407311951 / 8.0), + REAL_CONST(135003.05133688069 / 8.0), + REAL_CONST(135028.60981025276 / 8.0), + REAL_CONST(135054.16949312127 / 8.0), + REAL_CONST(135079.73038537172 / 8.0), + REAL_CONST(135105.29248688967 / 8.0), + REAL_CONST(135130.85579756077 / 8.0), + REAL_CONST(135156.42031727062 / 8.0), + REAL_CONST(135181.98604590484 / 8.0), + REAL_CONST(135207.55298334916 / 8.0), + REAL_CONST(135233.12112948924 / 8.0), + REAL_CONST(135258.69048421088 / 8.0), + REAL_CONST(135284.26104739975 / 8.0), + REAL_CONST(135309.83281894168 / 8.0), + REAL_CONST(135335.4057987225 / 8.0), + REAL_CONST(135360.97998662802 / 8.0), + REAL_CONST(135386.55538254412 / 8.0), + REAL_CONST(135412.13198635669 / 8.0), + REAL_CONST(135437.70979795168 / 8.0), + REAL_CONST(135463.28881721498 / 8.0), + REAL_CONST(135488.86904403262 / 8.0), + REAL_CONST(135514.45047829056 / 8.0), + REAL_CONST(135540.03311987486 / 8.0), + REAL_CONST(135565.61696867159 / 8.0), + REAL_CONST(135591.20202456677 / 8.0), + REAL_CONST(135616.78828744654 / 8.0), + REAL_CONST(135642.37575719706 / 8.0), + REAL_CONST(135667.96443370447 / 8.0), + REAL_CONST(135693.55431685498 / 8.0), + REAL_CONST(135719.14540653475 / 8.0), + REAL_CONST(135744.73770263011 / 8.0), + REAL_CONST(135770.33120502727 / 8.0), + REAL_CONST(135795.92591361253 / 8.0), + REAL_CONST(135821.52182827223 / 8.0), + REAL_CONST(135847.11894889272 / 8.0), + REAL_CONST(135872.7172753604 / 8.0), + REAL_CONST(135898.31680756161 / 8.0), + REAL_CONST(135923.91754538284 / 8.0), + REAL_CONST(135949.51948871053 / 8.0), + REAL_CONST(135975.12263743114 / 8.0), + REAL_CONST(136000.72699143123 / 8.0), + REAL_CONST(136026.33255059729 / 8.0), + REAL_CONST(136051.93931481591 / 8.0), + REAL_CONST(136077.54728397369 / 8.0), + REAL_CONST(136103.15645795723 / 8.0), + REAL_CONST(136128.76683665317 / 8.0), + REAL_CONST(136154.37841994822 / 8.0), + REAL_CONST(136179.99120772901 / 8.0), + REAL_CONST(136205.60519988232 / 8.0), + REAL_CONST(136231.2203962949 / 8.0), + REAL_CONST(136256.83679685349 / 8.0), + REAL_CONST(136282.45440144493 / 8.0), + REAL_CONST(136308.07320995603 / 8.0), + REAL_CONST(136333.69322227367 / 8.0), + REAL_CONST(136359.31443828469 / 8.0), + REAL_CONST(136384.93685787608 / 8.0), + REAL_CONST(136410.56048093468 / 8.0), + REAL_CONST(136436.18530734754 / 8.0), + REAL_CONST(136461.81133700156 / 8.0), + REAL_CONST(136487.43856978384 / 8.0), + REAL_CONST(136513.06700558143 / 8.0), + REAL_CONST(136538.6966442813 / 8.0), + REAL_CONST(136564.32748577066 / 8.0), + REAL_CONST(136589.95952993655 / 8.0), + REAL_CONST(136615.59277666616 / 8.0), + REAL_CONST(136641.22722584667 / 8.0), + REAL_CONST(136666.86287736523 / 8.0), + REAL_CONST(136692.49973110916 / 8.0), + REAL_CONST(136718.13778696564 / 8.0), + REAL_CONST(136743.77704482197 / 8.0), + REAL_CONST(136769.41750456547 / 8.0), + REAL_CONST(136795.05916608346 / 8.0), + REAL_CONST(136820.70202926331 / 8.0), + REAL_CONST(136846.34609399244 / 8.0), + REAL_CONST(136871.99136015819 / 8.0), + REAL_CONST(136897.63782764805 / 8.0), + REAL_CONST(136923.28549634948 / 8.0), + REAL_CONST(136948.93436614997 / 8.0), + REAL_CONST(136974.58443693706 / 8.0), + REAL_CONST(137000.23570859825 / 8.0), + REAL_CONST(137025.88818102115 / 8.0), + REAL_CONST(137051.54185409332 / 8.0), + REAL_CONST(137077.19672770242 / 8.0), + REAL_CONST(137102.85280173609 / 8.0), + REAL_CONST(137128.51007608202 / 8.0), + REAL_CONST(137154.16855062786 / 8.0), + REAL_CONST(137179.82822526142 / 8.0), + REAL_CONST(137205.48909987041 / 8.0), + REAL_CONST(137231.15117434258 / 8.0), + REAL_CONST(137256.8144485658 / 8.0), + REAL_CONST(137282.47892242789 / 8.0), + REAL_CONST(137308.14459581667 / 8.0), + REAL_CONST(137333.81146862009 / 8.0), + REAL_CONST(137359.47954072602 / 8.0), + REAL_CONST(137385.14881202241 / 8.0), + REAL_CONST(137410.81928239719 / 8.0), + REAL_CONST(137436.49095173844 / 8.0), + REAL_CONST(137462.16381993407 / 8.0), + REAL_CONST(137487.83788687221 / 8.0), + REAL_CONST(137513.51315244089 / 8.0), + REAL_CONST(137539.18961652822 / 8.0), + REAL_CONST(137564.86727902229 / 8.0), + REAL_CONST(137590.54613981131 / 8.0), + REAL_CONST(137616.22619878338 / 8.0), + REAL_CONST(137641.90745582676 / 8.0), + REAL_CONST(137667.58991082967 / 8.0), + REAL_CONST(137693.27356368033 / 8.0), + REAL_CONST(137718.95841426702 / 8.0), + REAL_CONST(137744.64446247809 / 8.0), + REAL_CONST(137770.33170820182 / 8.0), + REAL_CONST(137796.02015132661 / 8.0), + REAL_CONST(137821.70979174081 / 8.0), + REAL_CONST(137847.40062933284 / 8.0), + REAL_CONST(137873.09266399115 / 8.0), + REAL_CONST(137898.78589560417 / 8.0), + REAL_CONST(137924.48032406042 / 8.0), + REAL_CONST(137950.17594924837 / 8.0), + REAL_CONST(137975.8727710566 / 8.0), + REAL_CONST(138001.57078937365 / 8.0), + REAL_CONST(138027.27000408815 / 8.0), + REAL_CONST(138052.97041508864 / 8.0), + REAL_CONST(138078.67202226384 / 8.0), + REAL_CONST(138104.3748255024 / 8.0), + REAL_CONST(138130.07882469296 / 8.0), + REAL_CONST(138155.78401972432 / 8.0), + REAL_CONST(138181.49041048516 / 8.0), + REAL_CONST(138207.1979968643 / 8.0), + REAL_CONST(138232.9067787505 / 8.0), + REAL_CONST(138258.61675603263 / 8.0), + REAL_CONST(138284.32792859949 / 8.0), + REAL_CONST(138310.04029633995 / 8.0), + REAL_CONST(138335.75385914298 / 8.0), + REAL_CONST(138361.46861689744 / 8.0), + REAL_CONST(138387.18456949232 / 8.0), + REAL_CONST(138412.90171681659 / 8.0), + REAL_CONST(138438.62005875923 / 8.0), + REAL_CONST(138464.33959520931 / 8.0), + REAL_CONST(138490.06032605586 / 8.0), + REAL_CONST(138515.78225118798 / 8.0), + REAL_CONST(138541.50537049473 / 8.0), + REAL_CONST(138567.2296838653 / 8.0), + REAL_CONST(138592.95519118884 / 8.0), + REAL_CONST(138618.68189235451 / 8.0), + REAL_CONST(138644.40978725153 / 8.0), + REAL_CONST(138670.13887576913 / 8.0), + REAL_CONST(138695.86915779658 / 8.0), + REAL_CONST(138721.60063322316 / 8.0), + REAL_CONST(138747.33330193823 / 8.0), + REAL_CONST(138773.06716383106 / 8.0), + REAL_CONST(138798.80221879104 / 8.0), + REAL_CONST(138824.53846670757 / 8.0), + REAL_CONST(138850.27590747006 / 8.0), + REAL_CONST(138876.01454096794 / 8.0), + REAL_CONST(138901.7543670907 / 8.0), + REAL_CONST(138927.49538572782 / 8.0), + REAL_CONST(138953.2375967688 / 8.0), + REAL_CONST(138978.9810001032 / 8.0), + REAL_CONST(139004.72559562061 / 8.0), + REAL_CONST(139030.47138321059 / 8.0), + REAL_CONST(139056.2183627628 / 8.0), + REAL_CONST(139081.96653416683 / 8.0), + REAL_CONST(139107.71589731239 / 8.0), + REAL_CONST(139133.46645208917 / 8.0), + REAL_CONST(139159.21819838689 / 8.0), + REAL_CONST(139184.97113609532 / 8.0), + REAL_CONST(139210.72526510421 / 8.0), + REAL_CONST(139236.48058530336 / 8.0), + REAL_CONST(139262.23709658257 / 8.0), + REAL_CONST(139287.99479883176 / 8.0), + REAL_CONST(139313.75369194071 / 8.0), + REAL_CONST(139339.51377579942 / 8.0), + REAL_CONST(139365.27505029776 / 8.0), + REAL_CONST(139391.03751532568 / 8.0), + REAL_CONST(139416.80117077316 / 8.0), + REAL_CONST(139442.56601653024 / 8.0), + REAL_CONST(139468.33205248689 / 8.0), + REAL_CONST(139494.09927853322 / 8.0), + REAL_CONST(139519.86769455927 / 8.0), + REAL_CONST(139545.63730045516 / 8.0), + REAL_CONST(139571.408096111 / 8.0), + REAL_CONST(139597.18008141697 / 8.0), + REAL_CONST(139622.95325626322 / 8.0), + REAL_CONST(139648.72762054001 / 8.0), + REAL_CONST(139674.5031741375 / 8.0), + REAL_CONST(139700.27991694602 / 8.0), + REAL_CONST(139726.05784885579 / 8.0), + REAL_CONST(139751.83696975713 / 8.0), + REAL_CONST(139777.61727954043 / 8.0), + REAL_CONST(139803.39877809596 / 8.0), + REAL_CONST(139829.18146531415 / 8.0), + REAL_CONST(139854.96534108539 / 8.0), + REAL_CONST(139880.75040530015 / 8.0), + REAL_CONST(139906.53665784886 / 8.0), + REAL_CONST(139932.32409862199 / 8.0), + REAL_CONST(139958.11272751007 / 8.0), + REAL_CONST(139983.90254440365 / 8.0), + REAL_CONST(140009.69354919327 / 8.0), + REAL_CONST(140035.48574176949 / 8.0), + REAL_CONST(140061.27912202294 / 8.0), + REAL_CONST(140087.07368984428 / 8.0), + REAL_CONST(140112.86944512415 / 8.0), + REAL_CONST(140138.66638775321 / 8.0), + REAL_CONST(140164.4645176222 / 8.0), + REAL_CONST(140190.26383462184 / 8.0), + REAL_CONST(140216.06433864293 / 8.0), + REAL_CONST(140241.86602957622 / 8.0), + REAL_CONST(140267.66890731253 / 8.0), + REAL_CONST(140293.47297174268 / 8.0), + REAL_CONST(140319.27822275754 / 8.0), + REAL_CONST(140345.08466024802 / 8.0), + REAL_CONST(140370.89228410498 / 8.0), + REAL_CONST(140396.70109421943 / 8.0), + REAL_CONST(140422.51109048226 / 8.0), + REAL_CONST(140448.32227278448 / 8.0), + REAL_CONST(140474.13464101712 / 8.0), + REAL_CONST(140499.94819507122 / 8.0), + REAL_CONST(140525.76293483781 / 8.0), + REAL_CONST(140551.57886020801 / 8.0), + REAL_CONST(140577.3959710729 / 8.0), + REAL_CONST(140603.21426732364 / 8.0), + REAL_CONST(140629.03374885136 / 8.0), + REAL_CONST(140654.85441554731 / 8.0), + REAL_CONST(140680.67626730262 / 8.0), + REAL_CONST(140706.49930400858 / 8.0), + REAL_CONST(140732.32352555645 / 8.0), + REAL_CONST(140758.1489318375 / 8.0), + REAL_CONST(140783.97552274304 / 8.0), + REAL_CONST(140809.80329816442 / 8.0), + REAL_CONST(140835.63225799298 / 8.0), + REAL_CONST(140861.46240212015 / 8.0), + REAL_CONST(140887.29373043729 / 8.0), + REAL_CONST(140913.12624283586 / 8.0), + REAL_CONST(140938.95993920733 / 8.0), + REAL_CONST(140964.79481944317 / 8.0), + REAL_CONST(140990.63088343487 / 8.0), + REAL_CONST(141016.46813107401 / 8.0), + REAL_CONST(141042.30656225214 / 8.0), + REAL_CONST(141068.14617686081 / 8.0), + REAL_CONST(141093.98697479168 / 8.0), + REAL_CONST(141119.82895593636 / 8.0), + REAL_CONST(141145.6721201865 / 8.0), + REAL_CONST(141171.51646743377 / 8.0), + REAL_CONST(141197.36199756994 / 8.0), + REAL_CONST(141223.20871048668 / 8.0), + REAL_CONST(141249.05660607578 / 8.0), + REAL_CONST(141274.90568422904 / 8.0), + REAL_CONST(141300.75594483822 / 8.0), + REAL_CONST(141326.6073877952 / 8.0), + REAL_CONST(141352.4600129918 / 8.0), + REAL_CONST(141378.31382031992 / 8.0), + REAL_CONST(141404.16880967148 / 8.0), + REAL_CONST(141430.02498093838 / 8.0), + REAL_CONST(141455.8823340126 / 8.0), + REAL_CONST(141481.74086878612 / 8.0), + REAL_CONST(141507.60058515094 / 8.0), + REAL_CONST(141533.46148299909 / 8.0), + REAL_CONST(141559.32356222265 / 8.0), + REAL_CONST(141585.18682271364 / 8.0), + REAL_CONST(141611.05126436421 / 8.0), + REAL_CONST(141636.9168870665 / 8.0), + REAL_CONST(141662.78369071262 / 8.0), + REAL_CONST(141688.65167519479 / 8.0), + REAL_CONST(141714.5208404052 / 8.0), + REAL_CONST(141740.39118623605 / 8.0), + REAL_CONST(141766.26271257963 / 8.0), + REAL_CONST(141792.1354193282 / 8.0), + REAL_CONST(141818.00930637406 / 8.0), + REAL_CONST(141843.88437360956 / 8.0), + REAL_CONST(141869.760620927 / 8.0), + REAL_CONST(141895.6380482188 / 8.0), + REAL_CONST(141921.51665537735 / 8.0), + REAL_CONST(141947.39644229505 / 8.0), + REAL_CONST(141973.27740886438 / 8.0), + REAL_CONST(141999.15955497778 / 8.0), + REAL_CONST(142025.04288052776 / 8.0), + REAL_CONST(142050.92738540689 / 8.0), + REAL_CONST(142076.81306950765 / 8.0), + REAL_CONST(142102.69993272264 / 8.0), + REAL_CONST(142128.58797494444 / 8.0), + REAL_CONST(142154.47719606571 / 8.0), + REAL_CONST(142180.36759597904 / 8.0), + REAL_CONST(142206.25917457714 / 8.0), + REAL_CONST(142232.15193175265 / 8.0), + REAL_CONST(142258.04586739838 / 8.0), + REAL_CONST(142283.94098140698 / 8.0), + REAL_CONST(142309.83727367126 / 8.0), + REAL_CONST(142335.73474408401 / 8.0), + REAL_CONST(142361.63339253806 / 8.0), + REAL_CONST(142387.5332189262 / 8.0), + REAL_CONST(142413.43422314132 / 8.0), + REAL_CONST(142439.33640507635 / 8.0), + REAL_CONST(142465.23976462413 / 8.0), + REAL_CONST(142491.14430167765 / 8.0), + REAL_CONST(142517.05001612983 / 8.0), + REAL_CONST(142542.95690787368 / 8.0), + REAL_CONST(142568.86497680223 / 8.0), + REAL_CONST(142594.77422280848 / 8.0), + REAL_CONST(142620.68464578551 / 8.0), + REAL_CONST(142646.5962456264 / 8.0), + REAL_CONST(142672.50902222423 / 8.0), + REAL_CONST(142698.42297547215 / 8.0), + REAL_CONST(142724.33810526333 / 8.0), + REAL_CONST(142750.25441149093 / 8.0), + REAL_CONST(142776.17189404817 / 8.0), + REAL_CONST(142802.09055282827 / 8.0), + REAL_CONST(142828.01038772447 / 8.0), + REAL_CONST(142853.93139863008 / 8.0), + REAL_CONST(142879.85358543837 / 8.0), + REAL_CONST(142905.77694804268 / 8.0), + REAL_CONST(142931.70148633636 / 8.0), + REAL_CONST(142957.62720021277 / 8.0), + REAL_CONST(142983.55408956532 / 8.0), + REAL_CONST(143009.48215428743 / 8.0), + REAL_CONST(143035.41139427255 / 8.0), + REAL_CONST(143061.34180941415 / 8.0), + REAL_CONST(143087.27339960571 / 8.0), + REAL_CONST(143113.20616474075 / 8.0), + REAL_CONST(143139.14010471283 / 8.0), + REAL_CONST(143165.07521941551 / 8.0), + REAL_CONST(143191.01150874238 / 8.0), + REAL_CONST(143216.94897258704 / 8.0), + REAL_CONST(143242.88761084314 / 8.0), + REAL_CONST(143268.82742340435 / 8.0), + REAL_CONST(143294.76841016437 / 8.0), + REAL_CONST(143320.71057101688 / 8.0), + REAL_CONST(143346.65390585564 / 8.0), + REAL_CONST(143372.59841457437 / 8.0), + REAL_CONST(143398.54409706692 / 8.0), + REAL_CONST(143424.49095322701 / 8.0), + REAL_CONST(143450.43898294857 / 8.0), + REAL_CONST(143476.38818612538 / 8.0), + REAL_CONST(143502.33856265133 / 8.0), + REAL_CONST(143528.29011242036 / 8.0), + REAL_CONST(143554.24283532638 / 8.0), + REAL_CONST(143580.19673126334 / 8.0), + REAL_CONST(143606.1518001252 / 8.0), + REAL_CONST(143632.10804180597 / 8.0), + REAL_CONST(143658.06545619969 / 8.0), + REAL_CONST(143684.02404320039 / 8.0), + REAL_CONST(143709.98380270213 / 8.0), + REAL_CONST(143735.944734599 / 8.0), + REAL_CONST(143761.90683878519 / 8.0), + REAL_CONST(143787.87011515474 / 8.0), + REAL_CONST(143813.83456360188 / 8.0), + REAL_CONST(143839.8001840208 / 8.0), + REAL_CONST(143865.76697630569 / 8.0), + REAL_CONST(143891.73494035081 / 8.0), + REAL_CONST(143917.7040760504 / 8.0), + REAL_CONST(143943.67438329876 / 8.0), + REAL_CONST(143969.6458619902 / 8.0), + REAL_CONST(143995.61851201905 / 8.0), + REAL_CONST(144021.59233327967 / 8.0), + REAL_CONST(144047.56732566646 / 8.0), + REAL_CONST(144073.54348907378 / 8.0), + REAL_CONST(144099.52082339607 / 8.0), + REAL_CONST(144125.49932852783 / 8.0), + REAL_CONST(144151.4790043635 / 8.0), + REAL_CONST(144177.45985079758 / 8.0), + REAL_CONST(144203.44186772458 / 8.0), + REAL_CONST(144229.42505503909 / 8.0), + REAL_CONST(144255.40941263564 / 8.0), + REAL_CONST(144281.39494040885 / 8.0), + REAL_CONST(144307.38163825331 / 8.0), + REAL_CONST(144333.36950606373 / 8.0), + REAL_CONST(144359.35854373468 / 8.0), + REAL_CONST(144385.34875116093 / 8.0), + REAL_CONST(144411.34012823718 / 8.0), + REAL_CONST(144437.33267485813 / 8.0), + REAL_CONST(144463.32639091855 / 8.0), + REAL_CONST(144489.32127631325 / 8.0), + REAL_CONST(144515.31733093705 / 8.0), + REAL_CONST(144541.31455468474 / 8.0), + REAL_CONST(144567.3129474512 / 8.0), + REAL_CONST(144593.3125091313 / 8.0), + REAL_CONST(144619.31323961995 / 8.0), + REAL_CONST(144645.31513881206 / 8.0), + REAL_CONST(144671.31820660262 / 8.0), + REAL_CONST(144697.32244288657 / 8.0), + REAL_CONST(144723.32784755889 / 8.0), + REAL_CONST(144749.33442051467 / 8.0), + REAL_CONST(144775.34216164888 / 8.0), + REAL_CONST(144801.35107085665 / 8.0), + REAL_CONST(144827.36114803303 / 8.0), + REAL_CONST(144853.37239307314 / 8.0), + REAL_CONST(144879.38480587213 / 8.0), + REAL_CONST(144905.39838632516 / 8.0), + REAL_CONST(144931.41313432742 / 8.0), + REAL_CONST(144957.4290497741 / 8.0), + REAL_CONST(144983.44613256046 / 8.0), + REAL_CONST(145009.46438258173 / 8.0), + REAL_CONST(145035.48379973322 / 8.0), + REAL_CONST(145061.50438391021 / 8.0), + REAL_CONST(145087.52613500805 / 8.0), + REAL_CONST(145113.54905292206 / 8.0), + REAL_CONST(145139.57313754765 / 8.0), + REAL_CONST(145165.59838878017 / 8.0), + REAL_CONST(145191.62480651509 / 8.0), + REAL_CONST(145217.65239064783 / 8.0), + REAL_CONST(145243.68114107384 / 8.0), + REAL_CONST(145269.71105768863 / 8.0), + REAL_CONST(145295.74214038774 / 8.0), + REAL_CONST(145321.77438906668 / 8.0), + REAL_CONST(145347.80780362099 / 8.0), + REAL_CONST(145373.84238394629 / 8.0), + REAL_CONST(145399.87812993818 / 8.0), + REAL_CONST(145425.91504149229 / 8.0), + REAL_CONST(145451.95311850426 / 8.0), + REAL_CONST(145477.9923608698 / 8.0), + REAL_CONST(145504.03276848458 / 8.0), + REAL_CONST(145530.07434124436 / 8.0), + REAL_CONST(145556.11707904484 / 8.0), + REAL_CONST(145582.16098178181 / 8.0), + REAL_CONST(145608.20604935108 / 8.0), + REAL_CONST(145634.25228164849 / 8.0), + REAL_CONST(145660.29967856981 / 8.0), + REAL_CONST(145686.34824001096 / 8.0), + REAL_CONST(145712.39796586783 / 8.0), + REAL_CONST(145738.4488560363 / 8.0), + REAL_CONST(145764.50091041232 / 8.0), + REAL_CONST(145790.55412889185 / 8.0), + REAL_CONST(145816.60851137087 / 8.0), + REAL_CONST(145842.66405774537 / 8.0), + REAL_CONST(145868.72076791141 / 8.0), + REAL_CONST(145894.77864176501 / 8.0), + REAL_CONST(145920.83767920226 / 8.0), + REAL_CONST(145946.89788011924 / 8.0), + REAL_CONST(145972.95924441208 / 8.0), + REAL_CONST(145999.02177197693 / 8.0), + REAL_CONST(146025.08546270995 / 8.0), + REAL_CONST(146051.15031650732 / 8.0), + REAL_CONST(146077.21633326527 / 8.0), + REAL_CONST(146103.28351288004 / 8.0), + REAL_CONST(146129.35185524789 / 8.0), + REAL_CONST(146155.42136026506 / 8.0), + REAL_CONST(146181.49202782792 / 8.0), + REAL_CONST(146207.56385783272 / 8.0), + REAL_CONST(146233.63685017588 / 8.0), + REAL_CONST(146259.71100475377 / 8.0), + REAL_CONST(146285.78632146274 / 8.0), + REAL_CONST(146311.86280019928 / 8.0), + REAL_CONST(146337.94044085976 / 8.0), + REAL_CONST(146364.01924334071 / 8.0), + REAL_CONST(146390.09920753856 / 8.0), + REAL_CONST(146416.18033334985 / 8.0), + REAL_CONST(146442.26262067116 / 8.0), + REAL_CONST(146468.34606939898 / 8.0), + REAL_CONST(146494.43067942993 / 8.0), + REAL_CONST(146520.51645066062 / 8.0), + REAL_CONST(146546.60338298764 / 8.0), + REAL_CONST(146572.69147630769 / 8.0), + REAL_CONST(146598.78073051744 / 8.0), + REAL_CONST(146624.87114551352 / 8.0), + REAL_CONST(146650.96272119274 / 8.0), + REAL_CONST(146677.05545745179 / 8.0), + REAL_CONST(146703.14935418745 / 8.0), + REAL_CONST(146729.2444112965 / 8.0), + REAL_CONST(146755.34062867577 / 8.0), + REAL_CONST(146781.43800622207 / 8.0), + REAL_CONST(146807.53654383228 / 8.0), + REAL_CONST(146833.63624140329 / 8.0), + REAL_CONST(146859.73709883197 / 8.0), + REAL_CONST(146885.83911601527 / 8.0), + REAL_CONST(146911.94229285014 / 8.0), + REAL_CONST(146938.04662923355 / 8.0), + REAL_CONST(146964.15212506248 / 8.0), + REAL_CONST(146990.25878023397 / 8.0), + REAL_CONST(147016.36659464505 / 8.0), + REAL_CONST(147042.47556819281 / 8.0), + REAL_CONST(147068.58570077427 / 8.0), + REAL_CONST(147094.6969922866 / 8.0), + REAL_CONST(147120.80944262692 / 8.0), + REAL_CONST(147146.92305169237 / 8.0), + REAL_CONST(147173.03781938017 / 8.0), + REAL_CONST(147199.15374558745 / 8.0), + REAL_CONST(147225.27083021149 / 8.0), + REAL_CONST(147251.38907314953 / 8.0), + REAL_CONST(147277.50847429881 / 8.0), + REAL_CONST(147303.62903355664 / 8.0), + REAL_CONST(147329.75075082036 / 8.0), + REAL_CONST(147355.87362598727 / 8.0), + REAL_CONST(147381.99765895473 / 8.0), + REAL_CONST(147408.12284962015 / 8.0), + REAL_CONST(147434.24919788091 / 8.0), + REAL_CONST(147460.37670363448 / 8.0), + REAL_CONST(147486.50536677826 / 8.0), + REAL_CONST(147512.63518720976 / 8.0), + REAL_CONST(147538.76616482646 / 8.0), + REAL_CONST(147564.89829952587 / 8.0), + REAL_CONST(147591.03159120557 / 8.0), + REAL_CONST(147617.16603976308 / 8.0), + REAL_CONST(147643.30164509601 / 8.0), + REAL_CONST(147669.43840710199 / 8.0), + REAL_CONST(147695.57632567859 / 8.0), + REAL_CONST(147721.71540072354 / 8.0), + REAL_CONST(147747.85563213445 / 8.0), + REAL_CONST(147773.99701980909 / 8.0), + REAL_CONST(147800.13956364512 / 8.0), + REAL_CONST(147826.28326354033 / 8.0), + REAL_CONST(147852.42811939248 / 8.0), + REAL_CONST(147878.57413109933 / 8.0), + REAL_CONST(147904.72129855872 / 8.0), + REAL_CONST(147930.86962166851 / 8.0), + REAL_CONST(147957.01910032652 / 8.0), + REAL_CONST(147983.16973443062 / 8.0), + REAL_CONST(148009.32152387875 / 8.0), + REAL_CONST(148035.47446856883 / 8.0), + REAL_CONST(148061.62856839882 / 8.0), + REAL_CONST(148087.78382326665 / 8.0), + REAL_CONST(148113.94023307035 / 8.0), + REAL_CONST(148140.09779770792 / 8.0), + REAL_CONST(148166.25651707739 / 8.0), + REAL_CONST(148192.41639107687 / 8.0), + REAL_CONST(148218.57741960438 / 8.0), + REAL_CONST(148244.73960255808 / 8.0), + REAL_CONST(148270.90293983606 / 8.0), + REAL_CONST(148297.0674313365 / 8.0), + REAL_CONST(148323.23307695755 / 8.0), + REAL_CONST(148349.39987659742 / 8.0), + REAL_CONST(148375.56783015432 / 8.0), + REAL_CONST(148401.73693752653 / 8.0), + REAL_CONST(148427.90719861226 / 8.0), + REAL_CONST(148454.07861330983 / 8.0), + REAL_CONST(148480.25118151752 / 8.0), + REAL_CONST(148506.42490313368 / 8.0), + REAL_CONST(148532.59977805667 / 8.0), + REAL_CONST(148558.77580618486 / 8.0), + REAL_CONST(148584.95298741665 / 8.0), + REAL_CONST(148611.13132165043 / 8.0), + REAL_CONST(148637.31080878471 / 8.0), + REAL_CONST(148663.49144871789 / 8.0), + REAL_CONST(148689.6732413485 / 8.0), + REAL_CONST(148715.85618657502 / 8.0), + REAL_CONST(148742.040284296 / 8.0), + REAL_CONST(148768.22553440998 / 8.0), + REAL_CONST(148794.41193681557 / 8.0), + REAL_CONST(148820.59949141133 / 8.0), + REAL_CONST(148846.78819809589 / 8.0), + REAL_CONST(148872.97805676793 / 8.0), + REAL_CONST(148899.16906732606 / 8.0), + REAL_CONST(148925.36122966901 / 8.0), + REAL_CONST(148951.55454369547 / 8.0), + REAL_CONST(148977.74900930419 / 8.0), + REAL_CONST(149003.9446263939 / 8.0), + REAL_CONST(149030.1413948634 / 8.0), + REAL_CONST(149056.33931461151 / 8.0), + REAL_CONST(149082.53838553699 / 8.0), + REAL_CONST(149108.73860753875 / 8.0), + REAL_CONST(149134.9399805156 / 8.0), + REAL_CONST(149161.14250436646 / 8.0), + REAL_CONST(149187.34617899026 / 8.0), + REAL_CONST(149213.5510042859 / 8.0), + REAL_CONST(149239.75698015234 / 8.0), + REAL_CONST(149265.96410648854 / 8.0), + REAL_CONST(149292.17238319354 / 8.0), + REAL_CONST(149318.38181016635 / 8.0), + REAL_CONST(149344.59238730598 / 8.0), + REAL_CONST(149370.80411451156 / 8.0), + REAL_CONST(149397.01699168212 / 8.0), + REAL_CONST(149423.23101871679 / 8.0), + REAL_CONST(149449.44619551473 / 8.0), + REAL_CONST(149475.66252197503 / 8.0), + REAL_CONST(149501.87999799693 / 8.0), + REAL_CONST(149528.0986234796 / 8.0), + REAL_CONST(149554.31839832227 / 8.0), + REAL_CONST(149580.53932242419 / 8.0), + REAL_CONST(149606.76139568459 / 8.0), + REAL_CONST(149632.98461800278 / 8.0), + REAL_CONST(149659.20898927809 / 8.0), + REAL_CONST(149685.43450940982 / 8.0), + REAL_CONST(149711.66117829733 / 8.0), + REAL_CONST(149737.88899584001 / 8.0), + REAL_CONST(149764.11796193724 / 8.0), + REAL_CONST(149790.34807648844 / 8.0), + REAL_CONST(149816.57933939309 / 8.0), + REAL_CONST(149842.81175055061 / 8.0), + REAL_CONST(149869.04530986046 / 8.0), + REAL_CONST(149895.28001722222 / 8.0), + REAL_CONST(149921.51587253538 / 8.0), + REAL_CONST(149947.75287569952 / 8.0), + REAL_CONST(149973.99102661415 / 8.0), + REAL_CONST(150000.23032517891 / 8.0), + REAL_CONST(150026.47077129342 / 8.0), + REAL_CONST(150052.71236485732 / 8.0), + REAL_CONST(150078.95510577026 / 8.0), + REAL_CONST(150105.1989939319 / 8.0), + REAL_CONST(150131.444029242 / 8.0), + REAL_CONST(150157.69021160025 / 8.0), + REAL_CONST(150183.93754090639 / 8.0), + REAL_CONST(150210.18601706024 / 8.0), + REAL_CONST(150236.43563996154 / 8.0), + REAL_CONST(150262.68640951012 / 8.0), + REAL_CONST(150288.93832560582 / 8.0), + REAL_CONST(150315.19138814852 / 8.0), + REAL_CONST(150341.44559703805 / 8.0), + REAL_CONST(150367.70095217437 / 8.0), + REAL_CONST(150393.95745345735 / 8.0), + REAL_CONST(150420.21510078697 / 8.0), + REAL_CONST(150446.47389406321 / 8.0), + REAL_CONST(150472.73383318601 / 8.0), + REAL_CONST(150498.99491805542 / 8.0), + REAL_CONST(150525.25714857146 / 8.0), + REAL_CONST(150551.52052463419 / 8.0), + REAL_CONST(150577.78504614369 / 8.0), + REAL_CONST(150604.05071300003 / 8.0), + REAL_CONST(150630.31752510337 / 8.0), + REAL_CONST(150656.58548235384 / 8.0), + REAL_CONST(150682.85458465159 / 8.0), + REAL_CONST(150709.1248318968 / 8.0), + REAL_CONST(150735.39622398972 / 8.0), + REAL_CONST(150761.66876083051 / 8.0), + REAL_CONST(150787.9424423195 / 8.0), + REAL_CONST(150814.21726835691 / 8.0), + REAL_CONST(150840.49323884305 / 8.0), + REAL_CONST(150866.77035367821 / 8.0), + REAL_CONST(150893.04861276277 / 8.0), + REAL_CONST(150919.32801599705 / 8.0), + REAL_CONST(150945.60856328148 / 8.0), + REAL_CONST(150971.89025451642 / 8.0), + REAL_CONST(150998.17308960229 / 8.0), + REAL_CONST(151024.45706843957 / 8.0), + REAL_CONST(151050.74219092872 / 8.0), + REAL_CONST(151077.02845697021 / 8.0), + REAL_CONST(151103.31586646455 / 8.0), + REAL_CONST(151129.60441931229 / 8.0), + REAL_CONST(151155.894115414 / 8.0), + REAL_CONST(151182.1849546702 / 8.0), + REAL_CONST(151208.47693698155 / 8.0), + REAL_CONST(151234.77006224863 / 8.0), + REAL_CONST(151261.06433037209 / 8.0), + REAL_CONST(151287.35974125259 / 8.0), + REAL_CONST(151313.65629479082 / 8.0), + REAL_CONST(151339.95399088747 / 8.0), + REAL_CONST(151366.25282944329 / 8.0), + REAL_CONST(151392.55281035902 / 8.0), + REAL_CONST(151418.85393353543 / 8.0), + REAL_CONST(151445.1561988733 / 8.0), + REAL_CONST(151471.45960627345 / 8.0), + REAL_CONST(151497.76415563675 / 8.0), + REAL_CONST(151524.06984686397 / 8.0), + REAL_CONST(151550.37667985607 / 8.0), + REAL_CONST(151576.68465451393 / 8.0), + REAL_CONST(151602.99377073845 / 8.0), + REAL_CONST(151629.30402843058 / 8.0), + REAL_CONST(151655.61542749128 / 8.0), + REAL_CONST(151681.92796782157 / 8.0), + REAL_CONST(151708.24164932242 / 8.0), + REAL_CONST(151734.55647189484 / 8.0), + REAL_CONST(151760.87243543993 / 8.0), + REAL_CONST(151787.18953985872 / 8.0), + REAL_CONST(151813.50778505235 / 8.0), + REAL_CONST(151839.82717092187 / 8.0), + REAL_CONST(151866.14769736846 / 8.0), + REAL_CONST(151892.46936429327 / 8.0), + REAL_CONST(151918.79217159748 / 8.0), + REAL_CONST(151945.11611918229 / 8.0), + REAL_CONST(151971.44120694889 / 8.0), + REAL_CONST(151997.76743479856 / 8.0), + REAL_CONST(152024.09480263255 / 8.0), + REAL_CONST(152050.42331035214 / 8.0), + REAL_CONST(152076.75295785864 / 8.0), + REAL_CONST(152103.08374505339 / 8.0), + REAL_CONST(152129.41567183775 / 8.0), + REAL_CONST(152155.74873811303 / 8.0), + REAL_CONST(152182.08294378067 / 8.0), + REAL_CONST(152208.41828874208 / 8.0), + REAL_CONST(152234.75477289871 / 8.0), + REAL_CONST(152261.09239615197 / 8.0), + REAL_CONST(152287.43115840337 / 8.0), + REAL_CONST(152313.77105955439 / 8.0), + REAL_CONST(152340.11209950657 / 8.0), + REAL_CONST(152366.45427816146 / 8.0), + REAL_CONST(152392.79759542056 / 8.0), + REAL_CONST(152419.14205118554 / 8.0), + REAL_CONST(152445.48764535793 / 8.0), + REAL_CONST(152471.8343778394 / 8.0), + REAL_CONST(152498.18224853161 / 8.0), + REAL_CONST(152524.53125733617 / 8.0), + REAL_CONST(152550.88140415482 / 8.0), + REAL_CONST(152577.23268888926 / 8.0), + REAL_CONST(152603.58511144121 / 8.0), + REAL_CONST(152629.93867171241 / 8.0), + REAL_CONST(152656.29336960468 / 8.0), + REAL_CONST(152682.64920501978 / 8.0), + REAL_CONST(152709.00617785956 / 8.0), + REAL_CONST(152735.36428802583 / 8.0), + REAL_CONST(152761.72353542043 / 8.0), + REAL_CONST(152788.08391994529 / 8.0), + REAL_CONST(152814.44544150229 / 8.0), + REAL_CONST(152840.80809999333 / 8.0), + REAL_CONST(152867.17189532038 / 8.0), + REAL_CONST(152893.53682738543 / 8.0), + REAL_CONST(152919.90289609041 / 8.0), + REAL_CONST(152946.27010133737 / 8.0), + REAL_CONST(152972.63844302832 / 8.0), + REAL_CONST(152999.00792106529 / 8.0), + REAL_CONST(153025.37853535041 / 8.0), + REAL_CONST(153051.7502857857 / 8.0), + REAL_CONST(153078.12317227334 / 8.0), + REAL_CONST(153104.4971947154 / 8.0), + REAL_CONST(153130.8723530141 / 8.0), + REAL_CONST(153157.24864707157 / 8.0), + REAL_CONST(153183.62607679001 / 8.0), + REAL_CONST(153210.00464207167 / 8.0), + REAL_CONST(153236.38434281875 / 8.0), + REAL_CONST(153262.76517893354 / 8.0), + REAL_CONST(153289.14715031831 / 8.0), + REAL_CONST(153315.53025687535 / 8.0), + REAL_CONST(153341.91449850702 / 8.0), + REAL_CONST(153368.2998751156 / 8.0), + REAL_CONST(153394.68638660354 / 8.0), + REAL_CONST(153421.07403287315 / 8.0), + REAL_CONST(153447.46281382689 / 8.0), + REAL_CONST(153473.85272936718 / 8.0), + REAL_CONST(153500.24377939643 / 8.0), + REAL_CONST(153526.63596381716 / 8.0), + REAL_CONST(153553.02928253182 / 8.0), + REAL_CONST(153579.42373544298 / 8.0), + REAL_CONST(153605.81932245308 / 8.0), + REAL_CONST(153632.21604346478 / 8.0), + REAL_CONST(153658.61389838057 / 8.0), + REAL_CONST(153685.0128871031 / 8.0), + REAL_CONST(153711.41300953497 / 8.0), + REAL_CONST(153737.81426557881 / 8.0), + REAL_CONST(153764.21665513728 / 8.0), + REAL_CONST(153790.62017811305 / 8.0), + REAL_CONST(153817.02483440886 / 8.0), + REAL_CONST(153843.43062392739 / 8.0), + REAL_CONST(153869.83754657139 / 8.0), + REAL_CONST(153896.24560224367 / 8.0), + REAL_CONST(153922.65479084692 / 8.0), + REAL_CONST(153949.06511228404 / 8.0), + REAL_CONST(153975.4765664578 / 8.0), + REAL_CONST(154001.88915327107 / 8.0), + REAL_CONST(154028.30287262669 / 8.0), + REAL_CONST(154054.71772442761 / 8.0), + REAL_CONST(154081.13370857667 / 8.0), + REAL_CONST(154107.55082497682 / 8.0), + REAL_CONST(154133.96907353101 / 8.0), + REAL_CONST(154160.38845414223 / 8.0), + REAL_CONST(154186.80896671346 / 8.0), + REAL_CONST(154213.23061114774 / 8.0), + REAL_CONST(154239.65338734805 / 8.0), + REAL_CONST(154266.07729521746 / 8.0), + REAL_CONST(154292.50233465908 / 8.0), + REAL_CONST(154318.92850557598 / 8.0), + REAL_CONST(154345.35580787127 / 8.0), + REAL_CONST(154371.7842414481 / 8.0), + REAL_CONST(154398.21380620965 / 8.0), + REAL_CONST(154424.64450205903 / 8.0), + REAL_CONST(154451.07632889951 / 8.0), + REAL_CONST(154477.50928663427 / 8.0), + REAL_CONST(154503.94337516659 / 8.0), + REAL_CONST(154530.37859439969 / 8.0), + REAL_CONST(154556.81494423689 / 8.0), + REAL_CONST(154583.25242458144 / 8.0), + REAL_CONST(154609.69103533673 / 8.0), + REAL_CONST(154636.13077640603 / 8.0), + REAL_CONST(154662.57164769279 / 8.0), + REAL_CONST(154689.01364910032 / 8.0), + REAL_CONST(154715.45678053208 / 8.0), + REAL_CONST(154741.90104189145 / 8.0), + REAL_CONST(154768.34643308193 / 8.0), + REAL_CONST(154794.79295400696 / 8.0), + REAL_CONST(154821.24060457002 / 8.0), + REAL_CONST(154847.68938467462 / 8.0), + REAL_CONST(154874.13929422433 / 8.0), + REAL_CONST(154900.59033312264 / 8.0), + REAL_CONST(154927.04250127316 / 8.0), + REAL_CONST(154953.49579857948 / 8.0), + REAL_CONST(154979.95022494521 / 8.0), + REAL_CONST(155006.40578027396 / 8.0), + REAL_CONST(155032.86246446942 / 8.0), + REAL_CONST(155059.32027743524 / 8.0), + REAL_CONST(155085.77921907514 / 8.0), + REAL_CONST(155112.2392892928 / 8.0), + REAL_CONST(155138.70048799197 / 8.0), + REAL_CONST(155165.16281507642 / 8.0), + REAL_CONST(155191.62627044989 / 8.0), + REAL_CONST(155218.09085401625 / 8.0), + REAL_CONST(155244.55656567923 / 8.0), + REAL_CONST(155271.02340534274 / 8.0), + REAL_CONST(155297.49137291059 / 8.0), + REAL_CONST(155323.96046828668 / 8.0), + REAL_CONST(155350.4306913749 / 8.0), + REAL_CONST(155376.90204207919 / 8.0), + REAL_CONST(155403.37452030348 / 8.0), + REAL_CONST(155429.84812595171 / 8.0), + REAL_CONST(155456.32285892789 / 8.0), + REAL_CONST(155482.79871913602 / 8.0), + REAL_CONST(155509.27570648011 / 8.0), + REAL_CONST(155535.75382086422 / 8.0), + REAL_CONST(155562.23306219239 / 8.0), + REAL_CONST(155588.71343036872 / 8.0), + REAL_CONST(155615.19492529731 / 8.0), + REAL_CONST(155641.67754688227 / 8.0), + REAL_CONST(155668.16129502779 / 8.0), + REAL_CONST(155694.64616963797 / 8.0), + REAL_CONST(155721.13217061706 / 8.0), + REAL_CONST(155747.61929786921 / 8.0), + REAL_CONST(155774.10755129869 / 8.0), + REAL_CONST(155800.59693080973 / 8.0), + REAL_CONST(155827.08743630661 / 8.0), + REAL_CONST(155853.57906769359 / 8.0), + REAL_CONST(155880.07182487496 / 8.0), + REAL_CONST(155906.56570775513 / 8.0), + REAL_CONST(155933.06071623837 / 8.0), + REAL_CONST(155959.55685022907 / 8.0), + REAL_CONST(155986.05410963166 / 8.0), + REAL_CONST(156012.5524943505 / 8.0), + REAL_CONST(156039.05200429002 / 8.0), + REAL_CONST(156065.55263935472 / 8.0), + REAL_CONST(156092.054399449 / 8.0), + REAL_CONST(156118.5572844774 / 8.0), + REAL_CONST(156145.06129434443 / 8.0), + REAL_CONST(156171.5664289546 / 8.0), + REAL_CONST(156198.07268821247 / 8.0), + REAL_CONST(156224.5800720226 / 8.0), + REAL_CONST(156251.08858028959 / 8.0), + REAL_CONST(156277.59821291809 / 8.0), + REAL_CONST(156304.10896981266 / 8.0), + REAL_CONST(156330.62085087801 / 8.0), + REAL_CONST(156357.1338560188 / 8.0), + REAL_CONST(156383.64798513969 / 8.0), + REAL_CONST(156410.16323814544 / 8.0), + REAL_CONST(156436.67961494075 / 8.0), + REAL_CONST(156463.1971154304 / 8.0), + REAL_CONST(156489.71573951913 / 8.0), + REAL_CONST(156516.23548711176 / 8.0), + REAL_CONST(156542.75635811311 / 8.0), + REAL_CONST(156569.27835242799 / 8.0), + REAL_CONST(156595.80146996127 / 8.0), + REAL_CONST(156622.32571061782 / 8.0), + REAL_CONST(156648.85107430254 / 8.0), + REAL_CONST(156675.37756092031 / 8.0), + REAL_CONST(156701.90517037612 / 8.0), + REAL_CONST(156728.43390257491 / 8.0), + REAL_CONST(156754.96375742162 / 8.0), + REAL_CONST(156781.49473482129 / 8.0), + REAL_CONST(156808.02683467892 / 8.0), + REAL_CONST(156834.5600568995 / 8.0), + REAL_CONST(156861.09440138817 / 8.0), + REAL_CONST(156887.62986804993 / 8.0), + REAL_CONST(156914.16645678994 / 8.0), + REAL_CONST(156940.70416751326 / 8.0), + REAL_CONST(156967.24300012505 / 8.0), + REAL_CONST(156993.78295453047 / 8.0), + REAL_CONST(157020.32403063469 / 8.0), + REAL_CONST(157046.8662283429 / 8.0), + REAL_CONST(157073.40954756032 / 8.0), + REAL_CONST(157099.9539881922 / 8.0), + REAL_CONST(157126.49955014378 / 8.0), + REAL_CONST(157153.04623332032 / 8.0), + REAL_CONST(157179.59403762716 / 8.0), + REAL_CONST(157206.14296296958 / 8.0), + REAL_CONST(157232.69300925292 / 8.0), + REAL_CONST(157259.24417638258 / 8.0), + REAL_CONST(157285.79646426387 / 8.0), + REAL_CONST(157312.34987280221 / 8.0), + REAL_CONST(157338.90440190304 / 8.0), + REAL_CONST(157365.46005147175 / 8.0), + REAL_CONST(157392.01682141385 / 8.0), + REAL_CONST(157418.57471163478 / 8.0), + REAL_CONST(157445.13372204005 / 8.0), + REAL_CONST(157471.69385253513 / 8.0), + REAL_CONST(157498.25510302564 / 8.0), + REAL_CONST(157524.81747341706 / 8.0), + REAL_CONST(157551.38096361503 / 8.0), + REAL_CONST(157577.9455735251 / 8.0), + REAL_CONST(157604.51130305286 / 8.0), + REAL_CONST(157631.07815210402 / 8.0), + REAL_CONST(157657.64612058419 / 8.0), + REAL_CONST(157684.21520839902 / 8.0), + REAL_CONST(157710.78541545427 / 8.0), + REAL_CONST(157737.35674165559 / 8.0), + REAL_CONST(157763.92918690876 / 8.0), + REAL_CONST(157790.50275111952 / 8.0), + REAL_CONST(157817.07743419363 / 8.0), + REAL_CONST(157843.65323603692 / 8.0), + REAL_CONST(157870.23015655516 / 8.0), + REAL_CONST(157896.80819565422 / 8.0), + REAL_CONST(157923.3873532399 / 8.0), + REAL_CONST(157949.96762921812 / 8.0), + REAL_CONST(157976.54902349479 / 8.0), + REAL_CONST(158003.13153597576 / 8.0), + REAL_CONST(158029.71516656701 / 8.0), + REAL_CONST(158056.29991517449 / 8.0), + REAL_CONST(158082.88578170416 / 8.0), + REAL_CONST(158109.47276606198 / 8.0), + REAL_CONST(158136.06086815402 / 8.0), + REAL_CONST(158162.65008788629 / 8.0), + REAL_CONST(158189.24042516484 / 8.0), + REAL_CONST(158215.83187989573 / 8.0), + REAL_CONST(158242.42445198505 / 8.0), + REAL_CONST(158269.01814133892 / 8.0), + REAL_CONST(158295.61294786347 / 8.0), + REAL_CONST(158322.20887146486 / 8.0), + REAL_CONST(158348.80591204923 / 8.0), + REAL_CONST(158375.4040695228 / 8.0), + REAL_CONST(158402.00334379176 / 8.0), + REAL_CONST(158428.60373476235 / 8.0), + REAL_CONST(158455.2052423408 / 8.0), + REAL_CONST(158481.80786643337 / 8.0), + REAL_CONST(158508.41160694641 / 8.0), + REAL_CONST(158535.01646378616 / 8.0), + REAL_CONST(158561.62243685898 / 8.0), + REAL_CONST(158588.2295260712 / 8.0), + REAL_CONST(158614.8377313292 / 8.0), + REAL_CONST(158641.44705253936 / 8.0), + REAL_CONST(158668.05748960807 / 8.0), + REAL_CONST(158694.66904244179 / 8.0), + REAL_CONST(158721.28171094693 / 8.0), + REAL_CONST(158747.89549502998 / 8.0), + REAL_CONST(158774.5103945974 / 8.0), + REAL_CONST(158801.12640955573 / 8.0), + REAL_CONST(158827.74353981143 / 8.0), + REAL_CONST(158854.36178527112 / 8.0), + REAL_CONST(158880.9811458413 / 8.0), + REAL_CONST(158907.60162142856 / 8.0), + REAL_CONST(158934.22321193956 / 8.0), + REAL_CONST(158960.84591728085 / 8.0), + REAL_CONST(158987.46973735912 / 8.0), + REAL_CONST(159014.09467208097 / 8.0), + REAL_CONST(159040.72072135314 / 8.0), + REAL_CONST(159067.3478850823 / 8.0), + REAL_CONST(159093.97616317519 / 8.0), + REAL_CONST(159120.60555553852 / 8.0), + REAL_CONST(159147.23606207906 / 8.0), + REAL_CONST(159173.8676827036 / 8.0), + REAL_CONST(159200.50041731889 / 8.0), + REAL_CONST(159227.13426583182 / 8.0), + REAL_CONST(159253.76922814918 / 8.0), + REAL_CONST(159280.40530417781 / 8.0), + REAL_CONST(159307.04249382461 / 8.0), + REAL_CONST(159333.68079699649 / 8.0), + REAL_CONST(159360.32021360032 / 8.0), + REAL_CONST(159386.96074354305 / 8.0), + REAL_CONST(159413.60238673165 / 8.0), + REAL_CONST(159440.24514307309 / 8.0), + REAL_CONST(159466.88901247433 / 8.0), + REAL_CONST(159493.53399484244 / 8.0), + REAL_CONST(159520.18009008438 / 8.0), + REAL_CONST(159546.82729810724 / 8.0), + REAL_CONST(159573.47561881805 / 8.0), + REAL_CONST(159600.12505212394 / 8.0), + REAL_CONST(159626.77559793202 / 8.0), + REAL_CONST(159653.42725614941 / 8.0), + REAL_CONST(159680.08002668325 / 8.0), + REAL_CONST(159706.73390944069 / 8.0), + REAL_CONST(159733.38890432892 / 8.0), + REAL_CONST(159760.04501125516 / 8.0), + REAL_CONST(159786.70223012666 / 8.0), + REAL_CONST(159813.36056085059 / 8.0), + REAL_CONST(159840.02000333427 / 8.0), + REAL_CONST(159866.68055748497 / 8.0), + REAL_CONST(159893.34222320997 / 8.0), + REAL_CONST(159920.00500041663 / 8.0), + REAL_CONST(159946.66888901225 / 8.0), + REAL_CONST(159973.33388890422 / 8.0), + REAL_CONST(159999.99999999988 / 8.0), + REAL_CONST(160026.66722220668 / 8.0), + REAL_CONST(160053.33555543202 / 8.0), + REAL_CONST(160080.0049995833 / 8.0), + REAL_CONST(160106.67555456801 / 8.0), + REAL_CONST(160133.3472202936 / 8.0), + REAL_CONST(160160.0199966676 / 8.0), + REAL_CONST(160186.6938835975 / 8.0), + REAL_CONST(160213.36888099083 / 8.0), + REAL_CONST(160240.04498875517 / 8.0), + REAL_CONST(160266.72220679806 / 8.0), + REAL_CONST(160293.40053502709 / 8.0), + REAL_CONST(160320.07997334987 / 8.0), + REAL_CONST(160346.76052167406 / 8.0), + REAL_CONST(160373.44217990729 / 8.0), + REAL_CONST(160400.1249479572 / 8.0), + REAL_CONST(160426.80882573154 / 8.0), + REAL_CONST(160453.49381313793 / 8.0), + REAL_CONST(160480.17991008417 / 8.0), + REAL_CONST(160506.86711647795 / 8.0), + REAL_CONST(160533.55543222709 / 8.0), + REAL_CONST(160560.24485723933 / 8.0), + REAL_CONST(160586.93539142248 / 8.0), + REAL_CONST(160613.62703468435 / 8.0), + REAL_CONST(160640.31978693281 / 8.0), + REAL_CONST(160667.01364807569 / 8.0), + REAL_CONST(160693.70861802087 / 8.0), + REAL_CONST(160720.40469667627 / 8.0), + REAL_CONST(160747.1018839498 / 8.0), + REAL_CONST(160773.80017974938 / 8.0), + REAL_CONST(160800.49958398298 / 8.0), + REAL_CONST(160827.20009655855 / 8.0), + REAL_CONST(160853.90171738411 / 8.0), + REAL_CONST(160880.60444636765 / 8.0), + REAL_CONST(160907.30828341722 / 8.0), + REAL_CONST(160934.01322844089 / 8.0), + REAL_CONST(160960.71928134665 / 8.0), + REAL_CONST(160987.42644204266 / 8.0), + REAL_CONST(161014.13471043704 / 8.0), + REAL_CONST(161040.84408643784 / 8.0), + REAL_CONST(161067.55456995327 / 8.0), + REAL_CONST(161094.26616089148 / 8.0), + REAL_CONST(161120.97885916062 / 8.0), + REAL_CONST(161147.69266466892 / 8.0), + REAL_CONST(161174.40757732463 / 8.0), + REAL_CONST(161201.12359703594 / 8.0), + REAL_CONST(161227.84072371112 / 8.0), + REAL_CONST(161254.55895725847 / 8.0), + REAL_CONST(161281.27829758628 / 8.0), + REAL_CONST(161307.99874460287 / 8.0), + REAL_CONST(161334.72029821656 / 8.0), + REAL_CONST(161361.44295833571 / 8.0), + REAL_CONST(161388.1667248687 / 8.0), + REAL_CONST(161414.89159772391 / 8.0), + REAL_CONST(161441.61757680977 / 8.0), + REAL_CONST(161468.34466203468 / 8.0), + REAL_CONST(161495.07285330712 / 8.0), + REAL_CONST(161521.80215053557 / 8.0), + REAL_CONST(161548.53255362847 / 8.0), + REAL_CONST(161575.26406249436 / 8.0), + REAL_CONST(161601.99667704175 / 8.0), + REAL_CONST(161628.7303971792 / 8.0), + REAL_CONST(161655.46522281526 / 8.0), + REAL_CONST(161682.20115385848 / 8.0), + REAL_CONST(161708.93819021754 / 8.0), + REAL_CONST(161735.67633180099 / 8.0), + REAL_CONST(161762.41557851751 / 8.0), + REAL_CONST(161789.15593027571 / 8.0), + REAL_CONST(161815.89738698432 / 8.0), + REAL_CONST(161842.63994855201 / 8.0), + REAL_CONST(161869.38361488748 / 8.0), + REAL_CONST(161896.1283858995 / 8.0), + REAL_CONST(161922.87426149679 / 8.0), + REAL_CONST(161949.62124158812 / 8.0), + REAL_CONST(161976.36932608229 / 8.0), + REAL_CONST(162003.1185148881 / 8.0), + REAL_CONST(162029.8688079144 / 8.0), + REAL_CONST(162056.62020507001 / 8.0), + REAL_CONST(162083.37270626382 / 8.0), + REAL_CONST(162110.12631140469 / 8.0), + REAL_CONST(162136.88102040152 / 8.0), + REAL_CONST(162163.63683316324 / 8.0), + REAL_CONST(162190.39374959879 / 8.0), + REAL_CONST(162217.15176961714 / 8.0), + REAL_CONST(162243.91089312723 / 8.0), + REAL_CONST(162270.67112003808 / 8.0), + REAL_CONST(162297.43245025873 / 8.0), + REAL_CONST(162324.19488369819 / 8.0), + REAL_CONST(162350.9584202655 / 8.0), + REAL_CONST(162377.72305986975 / 8.0), + REAL_CONST(162404.48880242003 / 8.0), + REAL_CONST(162431.25564782543 / 8.0), + REAL_CONST(162458.02359599507 / 8.0), + REAL_CONST(162484.79264683815 / 8.0), + REAL_CONST(162511.56280026378 / 8.0), + REAL_CONST(162538.33405618116 / 8.0), + REAL_CONST(162565.10641449949 / 8.0), + REAL_CONST(162591.87987512801 / 8.0), + REAL_CONST(162618.65443797593 / 8.0), + REAL_CONST(162645.43010295252 / 8.0), + REAL_CONST(162672.20686996708 / 8.0), + REAL_CONST(162698.98473892888 / 8.0), + REAL_CONST(162725.76370974723 / 8.0), + REAL_CONST(162752.54378233149 / 8.0), + REAL_CONST(162779.32495659095 / 8.0), + REAL_CONST(162806.10723243505 / 8.0), + REAL_CONST(162832.89060977317 / 8.0), + REAL_CONST(162859.67508851466 / 8.0), + REAL_CONST(162886.46066856899 / 8.0), + REAL_CONST(162913.24734984562 / 8.0), + REAL_CONST(162940.03513225398 / 8.0), + REAL_CONST(162966.82401570358 / 8.0), + REAL_CONST(162993.6140001039 / 8.0), + REAL_CONST(163020.40508536444 / 8.0), + REAL_CONST(163047.19727139481 / 8.0), + REAL_CONST(163073.99055810447 / 8.0), + REAL_CONST(163100.78494540305 / 8.0), + REAL_CONST(163127.58043320014 / 8.0), + REAL_CONST(163154.37702140535 / 8.0), + REAL_CONST(163181.17470992831 / 8.0), + REAL_CONST(163207.97349867865 / 8.0), + REAL_CONST(163234.77338756606 / 8.0), + REAL_CONST(163261.57437650024 / 8.0), + REAL_CONST(163288.37646539087 / 8.0), + REAL_CONST(163315.17965414765 / 8.0), + REAL_CONST(163341.98394268038 / 8.0), + REAL_CONST(163368.78933089875 / 8.0), + REAL_CONST(163395.59581871261 / 8.0), + REAL_CONST(163422.40340603172 / 8.0), + REAL_CONST(163449.2120927659 / 8.0), + REAL_CONST(163476.02187882498 / 8.0), + REAL_CONST(163502.83276411882 / 8.0), + REAL_CONST(163529.6447485573 / 8.0), + REAL_CONST(163556.45783205028 / 8.0), + REAL_CONST(163583.2720145077 / 8.0), + REAL_CONST(163610.08729583945 / 8.0), + REAL_CONST(163636.90367595552 / 8.0), + REAL_CONST(163663.72115476584 / 8.0), + REAL_CONST(163690.53973218042 / 8.0), + REAL_CONST(163717.35940810922 / 8.0), + REAL_CONST(163744.18018246227 / 8.0), + REAL_CONST(163771.00205514964 / 8.0), + REAL_CONST(163797.82502608138 / 8.0), + REAL_CONST(163824.64909516752 / 8.0), + REAL_CONST(163851.4742623182 / 8.0), + REAL_CONST(163878.3005274435 / 8.0), + REAL_CONST(163905.12789045356 / 8.0), + REAL_CONST(163931.95635125853 / 8.0), + REAL_CONST(163958.78590976857 / 8.0), + REAL_CONST(163985.61656589387 / 8.0), + REAL_CONST(164012.44831954464 / 8.0), + REAL_CONST(164039.28117063109 / 8.0), + REAL_CONST(164066.11511906344 / 8.0), + REAL_CONST(164092.95016475199 / 8.0), + REAL_CONST(164119.78630760699 / 8.0), + REAL_CONST(164146.62354753874 / 8.0), + REAL_CONST(164173.46188445756 / 8.0), + REAL_CONST(164200.30131827376 / 8.0), + REAL_CONST(164227.14184889771 / 8.0), + REAL_CONST(164253.98347623978 / 8.0), + REAL_CONST(164280.82620021031 / 8.0), + REAL_CONST(164307.67002071979 / 8.0), + REAL_CONST(164334.51493767856 / 8.0), + REAL_CONST(164361.3609509971 / 8.0), + REAL_CONST(164388.20806058586 / 8.0), + REAL_CONST(164415.05626635533 / 8.0), + REAL_CONST(164441.905568216 / 8.0), + REAL_CONST(164468.75596607837 / 8.0), + REAL_CONST(164495.607459853 / 8.0), + REAL_CONST(164522.4600494504 / 8.0), + REAL_CONST(164549.31373478117 / 8.0), + REAL_CONST(164576.16851575591 / 8.0), + REAL_CONST(164603.02439228518 / 8.0), + REAL_CONST(164629.88136427966 / 8.0), + REAL_CONST(164656.73943164994 / 8.0), + REAL_CONST(164683.59859430668 / 8.0), + REAL_CONST(164710.45885216061 / 8.0), + REAL_CONST(164737.32020512238 / 8.0), + REAL_CONST(164764.1826531027 / 8.0), + REAL_CONST(164791.04619601235 / 8.0), + REAL_CONST(164817.91083376206 / 8.0), + REAL_CONST(164844.77656626256 / 8.0), + REAL_CONST(164871.64339342469 / 8.0), + REAL_CONST(164898.51131515924 / 8.0), + REAL_CONST(164925.38033137703 / 8.0), + REAL_CONST(164952.25044198887 / 8.0), + REAL_CONST(164979.1216469057 / 8.0), + REAL_CONST(165005.9939460383 / 8.0), + REAL_CONST(165032.86733929763 / 8.0), + REAL_CONST(165059.7418265946 / 8.0), + REAL_CONST(165086.61740784015 / 8.0), + REAL_CONST(165113.4940829452 / 8.0) +#endif + }; + +#endif + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/is.c b/audio_codec/libfaad/is.c new file mode 100644 index 0000000..dc64cee --- a/dev/null +++ b/audio_codec/libfaad/is.c @@ -0,0 +1,106 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: is.c,v 1.28 2007/11/01 12:33:31 menno Exp $ +**/ + +#include "common.h" +#include "structs.h" + +#include "syntax.h" +#include "is.h" + +#ifdef FIXED_POINT +static real_t pow05_table[] = { + COEF_CONST(1.68179283050743), /* 0.5^(-3/4) */ + COEF_CONST(1.41421356237310), /* 0.5^(-2/4) */ + COEF_CONST(1.18920711500272), /* 0.5^(-1/4) */ + COEF_CONST(1.0), /* 0.5^( 0/4) */ + COEF_CONST(0.84089641525371), /* 0.5^(+1/4) */ + COEF_CONST(0.70710678118655), /* 0.5^(+2/4) */ + COEF_CONST(0.59460355750136) /* 0.5^(+3/4) */ +}; +#endif + +void is_decode(ic_stream *ics, ic_stream *icsr, real_t *l_spec, real_t *r_spec, + uint16_t frame_len) +{ + uint8_t g, sfb, b; + uint16_t i; +#ifndef FIXED_POINT + real_t scale; +#else + int32_t exp, frac; +#endif + + uint16_t nshort = frame_len / 8; + uint8_t group = 0; + + for (g = 0; g < icsr->num_window_groups; g++) { + /* Do intensity stereo decoding */ + for (b = 0; b < icsr->window_group_length[g]; b++) { + for (sfb = 0; sfb < icsr->max_sfb; sfb++) { + if (is_intensity(icsr, g, sfb)) { +#ifdef MAIN_DEC + /* For scalefactor bands coded in intensity stereo the + corresponding predictors in the right channel are + switched to "off". + */ + ics->pred.prediction_used[sfb] = 0; + icsr->pred.prediction_used[sfb] = 0; +#endif + +#ifndef FIXED_POINT + scale = (real_t)pow(0.5, (0.25 * icsr->scale_factors[g][sfb])); +#else + exp = icsr->scale_factors[g][sfb] >> 2; + frac = icsr->scale_factors[g][sfb] & 3; +#endif + + /* Scale from left to right channel, + do not touch left channel */ + for (i = icsr->swb_offset[sfb]; i < min(icsr->swb_offset[sfb + 1], ics->swb_offset_max); i++) { +#ifndef FIXED_POINT + r_spec[(group * nshort) + i] = MUL_R(l_spec[(group * nshort) + i], scale); +#else + if (exp < 0) { + r_spec[(group * nshort) + i] = l_spec[(group * nshort) + i] << -exp; + } else { + r_spec[(group * nshort) + i] = l_spec[(group * nshort) + i] >> exp; + } + r_spec[(group * nshort) + i] = MUL_C(r_spec[(group * nshort) + i], pow05_table[frac + 3]); +#endif + if (is_intensity(icsr, g, sfb) != invert_intensity(ics, g, sfb)) { + r_spec[(group * nshort) + i] = -r_spec[(group * nshort) + i]; + } + } + } + } + group++; + } + } +} diff --git a/audio_codec/libfaad/is.h b/audio_codec/libfaad/is.h new file mode 100644 index 0000000..8dc603d --- a/dev/null +++ b/audio_codec/libfaad/is.h @@ -0,0 +1,67 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: is.h,v 1.20 2007/11/01 12:33:31 menno Exp $ +**/ + +#ifndef __IS_H__ +#define __IS_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "syntax.h" + + void is_decode(ic_stream *ics, ic_stream *icsr, real_t *l_spec, real_t *r_spec, + uint16_t frame_len); + + static INLINE int8_t is_intensity(ic_stream *ics, uint8_t group, uint8_t sfb) + { + switch (ics->sfb_cb[group][sfb]) { + case INTENSITY_HCB: + return 1; + case INTENSITY_HCB2: + return -1; + default: + return 0; + } + } + + static INLINE int8_t invert_intensity(ic_stream *ics, uint8_t group, uint8_t sfb) + { + if (ics->ms_mask_present == 1) { + return (1 - 2 * ics->ms_used[group][sfb]); + } + return 1; + } + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/kbd_win.h b/audio_codec/libfaad/kbd_win.h new file mode 100644 index 0000000..8eabfad --- a/dev/null +++ b/audio_codec/libfaad/kbd_win.h @@ -0,0 +1,2294 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: kbd_win.h,v 1.21 2007/11/01 12:33:31 menno Exp $ +**/ + +#ifndef __KBD_WIN_H__ +#define __KBD_WIN_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef _MSC_VER +#pragma warning(disable:4305) +#pragma warning(disable:4244) +#endif + + ALIGN static const real_t kbd_long_1024[] = { + FRAC_CONST(0.00029256153896361), + FRAC_CONST(0.00042998567353047), + FRAC_CONST(0.00054674074589540), + FRAC_CONST(0.00065482304299792), + FRAC_CONST(0.00075870195068747), + FRAC_CONST(0.00086059331713336), + FRAC_CONST(0.00096177541439010), + FRAC_CONST(0.0010630609410878), + FRAC_CONST(0.0011650036308132), + FRAC_CONST(0.0012680012194148), + FRAC_CONST(0.0013723517232956), + FRAC_CONST(0.0014782864109136), + FRAC_CONST(0.0015859901976719), + FRAC_CONST(0.0016956148252373), + FRAC_CONST(0.0018072876903517), + FRAC_CONST(0.0019211179405514), + FRAC_CONST(0.0020372007924215), + FRAC_CONST(0.0021556206591754), + FRAC_CONST(0.0022764534599614), + FRAC_CONST(0.0023997683540995), + FRAC_CONST(0.0025256290631156), + FRAC_CONST(0.0026540948920831), + FRAC_CONST(0.0027852215281403), + FRAC_CONST(0.0029190616715331), + FRAC_CONST(0.0030556655443223), + FRAC_CONST(0.0031950812943391), + FRAC_CONST(0.0033373553240392), + FRAC_CONST(0.0034825325586930), + FRAC_CONST(0.0036306566699199), + FRAC_CONST(0.0037817702604646), + FRAC_CONST(0.0039359150179719), + FRAC_CONST(0.0040931318437260), + FRAC_CONST(0.0042534609610026), + FRAC_CONST(0.0044169420066964), + FRAC_CONST(0.0045836141091341), + FRAC_CONST(0.0047535159544086), + FRAC_CONST(0.0049266858431214), + FRAC_CONST(0.0051031617390698), + FRAC_CONST(0.0052829813111335), + FRAC_CONST(0.0054661819693975), + FRAC_CONST(0.0056528008963682), + FRAC_CONST(0.0058428750739943), + FRAC_CONST(0.0060364413070882), + FRAC_CONST(0.0062335362436492), + FRAC_CONST(0.0064341963925079), + FRAC_CONST(0.0066384581386503), + FRAC_CONST(0.0068463577565218), + FRAC_CONST(0.0070579314215715), + FRAC_CONST(0.0072732152202559), + FRAC_CONST(0.0074922451586909), + FRAC_CONST(0.0077150571701162), + FRAC_CONST(0.0079416871213115), + FRAC_CONST(0.0081721708180857), + FRAC_CONST(0.0084065440099458), + FRAC_CONST(0.0086448423940363), + FRAC_CONST(0.0088871016184291), + FRAC_CONST(0.0091333572848345), + FRAC_CONST(0.0093836449507939), + FRAC_CONST(0.0096380001314086), + FRAC_CONST(0.0098964583006517), + FRAC_CONST(0.010159054892306), + FRAC_CONST(0.010425825300561), + FRAC_CONST(0.010696804880310), + FRAC_CONST(0.010972028947167), + FRAC_CONST(0.011251532777236), + FRAC_CONST(0.011535351606646), + FRAC_CONST(0.011823520630897), + FRAC_CONST(0.012116075003993), + FRAC_CONST(0.012413049837429), + FRAC_CONST(0.012714480198999), + FRAC_CONST(0.013020401111478), + FRAC_CONST(0.013330847551161), + FRAC_CONST(0.013645854446288), + FRAC_CONST(0.013965456675352), + FRAC_CONST(0.014289689065314), + FRAC_CONST(0.014618586389712), + FRAC_CONST(0.014952183366697), + FRAC_CONST(0.015290514656976), + FRAC_CONST(0.015633614861688), + FRAC_CONST(0.015981518520214), + FRAC_CONST(0.016334260107915), + FRAC_CONST(0.016691874033817), + FRAC_CONST(0.017054394638241), + FRAC_CONST(0.017421856190380), + FRAC_CONST(0.017794292885832), + FRAC_CONST(0.018171738844085), + FRAC_CONST(0.018554228105962), + FRAC_CONST(0.018941794631032), + FRAC_CONST(0.019334472294980), + FRAC_CONST(0.019732294886947), + FRAC_CONST(0.020135296106839), + FRAC_CONST(0.020543509562604), + FRAC_CONST(0.020956968767488), + FRAC_CONST(0.021375707137257), + FRAC_CONST(0.021799757987407), + FRAC_CONST(0.022229154530343), + FRAC_CONST(0.022663929872540), + FRAC_CONST(0.023104117011689), + FRAC_CONST(0.023549748833816), + FRAC_CONST(0.024000858110398), + FRAC_CONST(0.024457477495451), + FRAC_CONST(0.024919639522613), + FRAC_CONST(0.025387376602207), + FRAC_CONST(0.025860721018295), + FRAC_CONST(0.026339704925726), + FRAC_CONST(0.026824360347160), + FRAC_CONST(0.027314719170100), + FRAC_CONST(0.027810813143900), + FRAC_CONST(0.028312673876775), + FRAC_CONST(0.028820332832801), + FRAC_CONST(0.029333821328905), + FRAC_CONST(0.029853170531859), + FRAC_CONST(0.030378411455255), + FRAC_CONST(0.030909574956490), + FRAC_CONST(0.031446691733739), + FRAC_CONST(0.031989792322926), + FRAC_CONST(0.032538907094693), + FRAC_CONST(0.033094066251369), + FRAC_CONST(0.033655299823935), + FRAC_CONST(0.034222637668991), + FRAC_CONST(0.034796109465717), + FRAC_CONST(0.035375744712844), + FRAC_CONST(0.035961572725616), + FRAC_CONST(0.036553622632758), + FRAC_CONST(0.037151923373446), + FRAC_CONST(0.037756503694277), + FRAC_CONST(0.038367392146243), + FRAC_CONST(0.038984617081711), + FRAC_CONST(0.039608206651398), + FRAC_CONST(0.040238188801359), + FRAC_CONST(0.040874591269976), + FRAC_CONST(0.041517441584950), + FRAC_CONST(0.042166767060301), + FRAC_CONST(0.042822594793376), + FRAC_CONST(0.043484951661852), + FRAC_CONST(0.044153864320760), + FRAC_CONST(0.044829359199509), + FRAC_CONST(0.045511462498913), + FRAC_CONST(0.046200200188234), + FRAC_CONST(0.046895598002228), + FRAC_CONST(0.047597681438201), + FRAC_CONST(0.048306475753074), + FRAC_CONST(0.049022005960455), + FRAC_CONST(0.049744296827725), + FRAC_CONST(0.050473372873129), + FRAC_CONST(0.051209258362879), + FRAC_CONST(0.051951977308273), + FRAC_CONST(0.052701553462813), + FRAC_CONST(0.053458010319350), + FRAC_CONST(0.054221371107223), + FRAC_CONST(0.054991658789428), + FRAC_CONST(0.055768896059787), + FRAC_CONST(0.056553105340134), + FRAC_CONST(0.057344308777513), + FRAC_CONST(0.058142528241393), + FRAC_CONST(0.058947785320893), + FRAC_CONST(0.059760101322019), + FRAC_CONST(0.060579497264926), + FRAC_CONST(0.061405993881180), + FRAC_CONST(0.062239611611049), + FRAC_CONST(0.063080370600799), + FRAC_CONST(0.063928290700012), + FRAC_CONST(0.064783391458919), + FRAC_CONST(0.065645692125747), + FRAC_CONST(0.066515211644086), + FRAC_CONST(0.067391968650269), + FRAC_CONST(0.068275981470777), + FRAC_CONST(0.069167268119652), + FRAC_CONST(0.070065846295935), + FRAC_CONST(0.070971733381121), + FRAC_CONST(0.071884946436630), + FRAC_CONST(0.072805502201299), + FRAC_CONST(0.073733417088896), + FRAC_CONST(0.074668707185649), + FRAC_CONST(0.075611388247794), + FRAC_CONST(0.076561475699152), + FRAC_CONST(0.077518984628715), + FRAC_CONST(0.078483929788261), + FRAC_CONST(0.079456325589986), + FRAC_CONST(0.080436186104162), + FRAC_CONST(0.081423525056808), + FRAC_CONST(0.082418355827392), + FRAC_CONST(0.083420691446553), + FRAC_CONST(0.084430544593841), + FRAC_CONST(0.085447927595483), + FRAC_CONST(0.086472852422178), + FRAC_CONST(0.087505330686900), + FRAC_CONST(0.088545373642744), + FRAC_CONST(0.089592992180780), + FRAC_CONST(0.090648196827937), + FRAC_CONST(0.091710997744919), + FRAC_CONST(0.092781404724131), + FRAC_CONST(0.093859427187640), + FRAC_CONST(0.094945074185163), + FRAC_CONST(0.096038354392069), + FRAC_CONST(0.097139276107423), + FRAC_CONST(0.098247847252041), + FRAC_CONST(0.099364075366580), + FRAC_CONST(0.10048796760965), + FRAC_CONST(0.10161953075597), + FRAC_CONST(0.10275877119451), + FRAC_CONST(0.10390569492671), + FRAC_CONST(0.10506030756469), + FRAC_CONST(0.10622261432949), + FRAC_CONST(0.10739262004941), + FRAC_CONST(0.10857032915821), + FRAC_CONST(0.10975574569357), + FRAC_CONST(0.11094887329534), + FRAC_CONST(0.11214971520402), + FRAC_CONST(0.11335827425914), + FRAC_CONST(0.11457455289772), + FRAC_CONST(0.11579855315274), + FRAC_CONST(0.11703027665170), + FRAC_CONST(0.11826972461510), + FRAC_CONST(0.11951689785504), + FRAC_CONST(0.12077179677383), + FRAC_CONST(0.12203442136263), + FRAC_CONST(0.12330477120008), + FRAC_CONST(0.12458284545102), + FRAC_CONST(0.12586864286523), + FRAC_CONST(0.12716216177615), + FRAC_CONST(0.12846340009971), + FRAC_CONST(0.12977235533312), + FRAC_CONST(0.13108902455375), + FRAC_CONST(0.13241340441801), + FRAC_CONST(0.13374549116025), + FRAC_CONST(0.13508528059173), + FRAC_CONST(0.13643276809961), + FRAC_CONST(0.13778794864595), + FRAC_CONST(0.13915081676677), + FRAC_CONST(0.14052136657114), + FRAC_CONST(0.14189959174027), + FRAC_CONST(0.14328548552671), + FRAC_CONST(0.14467904075349), + FRAC_CONST(0.14608024981336), + FRAC_CONST(0.14748910466804), + FRAC_CONST(0.14890559684750), + FRAC_CONST(0.15032971744929), + FRAC_CONST(0.15176145713790), + FRAC_CONST(0.15320080614414), + FRAC_CONST(0.15464775426459), + FRAC_CONST(0.15610229086100), + FRAC_CONST(0.15756440485987), + FRAC_CONST(0.15903408475193), + FRAC_CONST(0.16051131859170), + FRAC_CONST(0.16199609399712), + FRAC_CONST(0.16348839814917), + FRAC_CONST(0.16498821779156), + FRAC_CONST(0.16649553923042), + FRAC_CONST(0.16801034833404), + FRAC_CONST(0.16953263053270), + FRAC_CONST(0.17106237081842), + FRAC_CONST(0.17259955374484), + FRAC_CONST(0.17414416342714), + FRAC_CONST(0.17569618354193), + FRAC_CONST(0.17725559732720), + FRAC_CONST(0.17882238758238), + FRAC_CONST(0.18039653666830), + FRAC_CONST(0.18197802650733), + FRAC_CONST(0.18356683858343), + FRAC_CONST(0.18516295394233), + FRAC_CONST(0.18676635319174), + FRAC_CONST(0.18837701650148), + FRAC_CONST(0.18999492360384), + FRAC_CONST(0.19162005379380), + FRAC_CONST(0.19325238592940), + FRAC_CONST(0.19489189843209), + FRAC_CONST(0.19653856928714), + FRAC_CONST(0.19819237604409), + FRAC_CONST(0.19985329581721), + FRAC_CONST(0.20152130528605), + FRAC_CONST(0.20319638069594), + FRAC_CONST(0.20487849785865), + FRAC_CONST(0.20656763215298), + FRAC_CONST(0.20826375852540), + FRAC_CONST(0.20996685149083), + FRAC_CONST(0.21167688513330), + FRAC_CONST(0.21339383310678), + FRAC_CONST(0.21511766863598), + FRAC_CONST(0.21684836451719), + FRAC_CONST(0.21858589311922), + FRAC_CONST(0.22033022638425), + FRAC_CONST(0.22208133582887), + FRAC_CONST(0.22383919254503), + FRAC_CONST(0.22560376720111), + FRAC_CONST(0.22737503004300), + FRAC_CONST(0.22915295089517), + FRAC_CONST(0.23093749916189), + FRAC_CONST(0.23272864382838), + FRAC_CONST(0.23452635346201), + FRAC_CONST(0.23633059621364), + FRAC_CONST(0.23814133981883), + FRAC_CONST(0.23995855159925), + FRAC_CONST(0.24178219846403), + FRAC_CONST(0.24361224691114), + FRAC_CONST(0.24544866302890), + FRAC_CONST(0.24729141249740), + FRAC_CONST(0.24914046059007), + FRAC_CONST(0.25099577217522), + FRAC_CONST(0.25285731171763), + FRAC_CONST(0.25472504328019), + FRAC_CONST(0.25659893052556), + FRAC_CONST(0.25847893671788), + FRAC_CONST(0.26036502472451), + FRAC_CONST(0.26225715701781), + FRAC_CONST(0.26415529567692), + FRAC_CONST(0.26605940238966), + FRAC_CONST(0.26796943845439), + FRAC_CONST(0.26988536478190), + FRAC_CONST(0.27180714189742), + FRAC_CONST(0.27373472994256), + FRAC_CONST(0.27566808867736), + FRAC_CONST(0.27760717748238), + FRAC_CONST(0.27955195536071), + FRAC_CONST(0.28150238094021), + FRAC_CONST(0.28345841247557), + FRAC_CONST(0.28542000785059), + FRAC_CONST(0.28738712458038), + FRAC_CONST(0.28935971981364), + FRAC_CONST(0.29133775033492), + FRAC_CONST(0.29332117256704), + FRAC_CONST(0.29530994257338), + FRAC_CONST(0.29730401606034), + FRAC_CONST(0.29930334837974), + FRAC_CONST(0.30130789453132), + FRAC_CONST(0.30331760916521), + FRAC_CONST(0.30533244658452), + FRAC_CONST(0.30735236074785), + FRAC_CONST(0.30937730527195), + FRAC_CONST(0.31140723343430), + FRAC_CONST(0.31344209817583), + FRAC_CONST(0.31548185210356), + FRAC_CONST(0.31752644749341), + FRAC_CONST(0.31957583629288), + FRAC_CONST(0.32162997012390), + FRAC_CONST(0.32368880028565), + FRAC_CONST(0.32575227775738), + FRAC_CONST(0.32782035320134), + FRAC_CONST(0.32989297696566), + FRAC_CONST(0.33197009908736), + FRAC_CONST(0.33405166929523), + FRAC_CONST(0.33613763701295), + FRAC_CONST(0.33822795136203), + FRAC_CONST(0.34032256116495), + FRAC_CONST(0.34242141494820), + FRAC_CONST(0.34452446094547), + FRAC_CONST(0.34663164710072), + FRAC_CONST(0.34874292107143), + FRAC_CONST(0.35085823023181), + FRAC_CONST(0.35297752167598), + FRAC_CONST(0.35510074222129), + FRAC_CONST(0.35722783841160), + FRAC_CONST(0.35935875652060), + FRAC_CONST(0.36149344255514), + FRAC_CONST(0.36363184225864), + FRAC_CONST(0.36577390111444), + FRAC_CONST(0.36791956434930), + FRAC_CONST(0.37006877693676), + FRAC_CONST(0.37222148360070), + FRAC_CONST(0.37437762881878), + FRAC_CONST(0.37653715682603), + FRAC_CONST(0.37870001161834), + FRAC_CONST(0.38086613695607), + FRAC_CONST(0.38303547636766), + FRAC_CONST(0.38520797315322), + FRAC_CONST(0.38738357038821), + FRAC_CONST(0.38956221092708), + FRAC_CONST(0.39174383740701), + FRAC_CONST(0.39392839225157), + FRAC_CONST(0.39611581767449), + FRAC_CONST(0.39830605568342), + FRAC_CONST(0.40049904808370), + FRAC_CONST(0.40269473648218), + FRAC_CONST(0.40489306229101), + FRAC_CONST(0.40709396673153), + FRAC_CONST(0.40929739083810), + FRAC_CONST(0.41150327546197), + FRAC_CONST(0.41371156127524), + FRAC_CONST(0.41592218877472), + FRAC_CONST(0.41813509828594), + FRAC_CONST(0.42035022996702), + FRAC_CONST(0.42256752381274), + FRAC_CONST(0.42478691965848), + FRAC_CONST(0.42700835718423), + FRAC_CONST(0.42923177591866), + FRAC_CONST(0.43145711524314), + FRAC_CONST(0.43368431439580), + FRAC_CONST(0.43591331247564), + FRAC_CONST(0.43814404844658), + FRAC_CONST(0.44037646114161), + FRAC_CONST(0.44261048926688), + FRAC_CONST(0.44484607140589), + FRAC_CONST(0.44708314602359), + FRAC_CONST(0.44932165147057), + FRAC_CONST(0.45156152598727), + FRAC_CONST(0.45380270770813), + FRAC_CONST(0.45604513466581), + FRAC_CONST(0.45828874479543), + FRAC_CONST(0.46053347593880), + FRAC_CONST(0.46277926584861), + FRAC_CONST(0.46502605219277), + FRAC_CONST(0.46727377255861), + FRAC_CONST(0.46952236445718), + FRAC_CONST(0.47177176532752), + FRAC_CONST(0.47402191254100), + FRAC_CONST(0.47627274340557), + FRAC_CONST(0.47852419517009), + FRAC_CONST(0.48077620502869), + FRAC_CONST(0.48302871012505), + FRAC_CONST(0.48528164755674), + FRAC_CONST(0.48753495437962), + FRAC_CONST(0.48978856761212), + FRAC_CONST(0.49204242423966), + FRAC_CONST(0.49429646121898), + FRAC_CONST(0.49655061548250), + FRAC_CONST(0.49880482394273), + FRAC_CONST(0.50105902349665), + FRAC_CONST(0.50331315103004), + FRAC_CONST(0.50556714342194), + FRAC_CONST(0.50782093754901), + FRAC_CONST(0.51007447028990), + FRAC_CONST(0.51232767852971), + FRAC_CONST(0.51458049916433), + FRAC_CONST(0.51683286910489), + FRAC_CONST(0.51908472528213), + FRAC_CONST(0.52133600465083), + FRAC_CONST(0.52358664419420), + FRAC_CONST(0.52583658092832), + FRAC_CONST(0.52808575190648), + FRAC_CONST(0.53033409422367), + FRAC_CONST(0.53258154502092), + FRAC_CONST(0.53482804148974), + FRAC_CONST(0.53707352087652), + FRAC_CONST(0.53931792048690), + FRAC_CONST(0.54156117769021), + FRAC_CONST(0.54380322992385), + FRAC_CONST(0.54604401469766), + FRAC_CONST(0.54828346959835), + FRAC_CONST(0.55052153229384), + FRAC_CONST(0.55275814053768), + FRAC_CONST(0.55499323217338), + FRAC_CONST(0.55722674513883), + FRAC_CONST(0.55945861747062), + FRAC_CONST(0.56168878730842), + FRAC_CONST(0.56391719289930), + FRAC_CONST(0.56614377260214), + FRAC_CONST(0.56836846489188), + FRAC_CONST(0.57059120836390), + FRAC_CONST(0.57281194173835), + FRAC_CONST(0.57503060386439), + FRAC_CONST(0.57724713372458), + FRAC_CONST(0.57946147043912), + FRAC_CONST(0.58167355327012), + FRAC_CONST(0.58388332162591), + FRAC_CONST(0.58609071506528), + FRAC_CONST(0.58829567330173), + FRAC_CONST(0.59049813620770), + FRAC_CONST(0.59269804381879), + FRAC_CONST(0.59489533633802), + FRAC_CONST(0.59708995413996), + FRAC_CONST(0.59928183777495), + FRAC_CONST(0.60147092797329), + FRAC_CONST(0.60365716564937), + FRAC_CONST(0.60584049190582), + FRAC_CONST(0.60802084803764), + FRAC_CONST(0.61019817553632), + FRAC_CONST(0.61237241609393), + FRAC_CONST(0.61454351160718), + FRAC_CONST(0.61671140418155), + FRAC_CONST(0.61887603613527), + FRAC_CONST(0.62103735000336), + FRAC_CONST(0.62319528854167), + FRAC_CONST(0.62534979473088), + FRAC_CONST(0.62750081178042), + FRAC_CONST(0.62964828313250), + FRAC_CONST(0.63179215246597), + FRAC_CONST(0.63393236370030), + FRAC_CONST(0.63606886099946), + FRAC_CONST(0.63820158877577), + FRAC_CONST(0.64033049169379), + FRAC_CONST(0.64245551467413), + FRAC_CONST(0.64457660289729), + FRAC_CONST(0.64669370180740), + FRAC_CONST(0.64880675711607), + FRAC_CONST(0.65091571480603), + FRAC_CONST(0.65302052113494), + FRAC_CONST(0.65512112263906), + FRAC_CONST(0.65721746613689), + FRAC_CONST(0.65930949873289), + FRAC_CONST(0.66139716782102), + FRAC_CONST(0.66348042108842), + FRAC_CONST(0.66555920651892), + FRAC_CONST(0.66763347239664), + FRAC_CONST(0.66970316730947), + FRAC_CONST(0.67176824015260), + FRAC_CONST(0.67382864013196), + FRAC_CONST(0.67588431676768), + FRAC_CONST(0.67793521989751), + FRAC_CONST(0.67998129968017), + FRAC_CONST(0.68202250659876), + FRAC_CONST(0.68405879146403), + FRAC_CONST(0.68609010541774), + FRAC_CONST(0.68811639993588), + FRAC_CONST(0.69013762683195), + FRAC_CONST(0.69215373826012), + FRAC_CONST(0.69416468671849), + FRAC_CONST(0.69617042505214), + FRAC_CONST(0.69817090645634), + FRAC_CONST(0.70016608447958), + FRAC_CONST(0.70215591302664), + FRAC_CONST(0.70414034636163), + FRAC_CONST(0.70611933911096), + FRAC_CONST(0.70809284626630), + FRAC_CONST(0.71006082318751), + FRAC_CONST(0.71202322560554), + FRAC_CONST(0.71398000962530), + FRAC_CONST(0.71593113172842), + FRAC_CONST(0.71787654877613), + FRAC_CONST(0.71981621801195), + FRAC_CONST(0.72175009706445), + FRAC_CONST(0.72367814394990), + FRAC_CONST(0.72560031707496), + FRAC_CONST(0.72751657523927), + FRAC_CONST(0.72942687763803), + FRAC_CONST(0.73133118386457), + FRAC_CONST(0.73322945391280), + FRAC_CONST(0.73512164817975), + FRAC_CONST(0.73700772746796), + FRAC_CONST(0.73888765298787), + FRAC_CONST(0.74076138636020), + FRAC_CONST(0.74262888961827), + FRAC_CONST(0.74449012521027), + FRAC_CONST(0.74634505600152), + FRAC_CONST(0.74819364527663), + FRAC_CONST(0.75003585674175), + FRAC_CONST(0.75187165452661), + FRAC_CONST(0.75370100318668), + FRAC_CONST(0.75552386770515), + FRAC_CONST(0.75734021349500), + FRAC_CONST(0.75915000640095), + FRAC_CONST(0.76095321270137), + FRAC_CONST(0.76274979911019), + FRAC_CONST(0.76453973277875), + FRAC_CONST(0.76632298129757), + FRAC_CONST(0.76809951269819), + FRAC_CONST(0.76986929545481), + FRAC_CONST(0.77163229848604), + FRAC_CONST(0.77338849115651), + FRAC_CONST(0.77513784327849), + FRAC_CONST(0.77688032511340), + FRAC_CONST(0.77861590737340), + FRAC_CONST(0.78034456122283), + FRAC_CONST(0.78206625827961), + FRAC_CONST(0.78378097061667), + FRAC_CONST(0.78548867076330), + FRAC_CONST(0.78718933170643), + FRAC_CONST(0.78888292689189), + FRAC_CONST(0.79056943022564), + FRAC_CONST(0.79224881607494), + FRAC_CONST(0.79392105926949), + FRAC_CONST(0.79558613510249), + FRAC_CONST(0.79724401933170), + FRAC_CONST(0.79889468818046), + FRAC_CONST(0.80053811833858), + FRAC_CONST(0.80217428696334), + FRAC_CONST(0.80380317168028), + FRAC_CONST(0.80542475058405), + FRAC_CONST(0.80703900223920), + FRAC_CONST(0.80864590568089), + FRAC_CONST(0.81024544041560), + FRAC_CONST(0.81183758642175), + FRAC_CONST(0.81342232415032), + FRAC_CONST(0.81499963452540), + FRAC_CONST(0.81656949894467), + FRAC_CONST(0.81813189927991), + FRAC_CONST(0.81968681787738), + FRAC_CONST(0.82123423755821), + FRAC_CONST(0.82277414161874), + FRAC_CONST(0.82430651383076), + FRAC_CONST(0.82583133844180), + FRAC_CONST(0.82734860017528), + FRAC_CONST(0.82885828423070), + FRAC_CONST(0.83036037628369), + FRAC_CONST(0.83185486248609), + FRAC_CONST(0.83334172946597), + FRAC_CONST(0.83482096432759), + FRAC_CONST(0.83629255465130), + FRAC_CONST(0.83775648849344), + FRAC_CONST(0.83921275438615), + FRAC_CONST(0.84066134133716), + FRAC_CONST(0.84210223882952), + FRAC_CONST(0.84353543682130), + FRAC_CONST(0.84496092574524), + FRAC_CONST(0.84637869650833), + FRAC_CONST(0.84778874049138), + FRAC_CONST(0.84919104954855), + FRAC_CONST(0.85058561600677), + FRAC_CONST(0.85197243266520), + FRAC_CONST(0.85335149279457), + FRAC_CONST(0.85472279013653), + FRAC_CONST(0.85608631890295), + FRAC_CONST(0.85744207377513), + FRAC_CONST(0.85879004990298), + FRAC_CONST(0.86013024290422), + FRAC_CONST(0.86146264886346), + FRAC_CONST(0.86278726433124), + FRAC_CONST(0.86410408632306), + FRAC_CONST(0.86541311231838), + FRAC_CONST(0.86671434025950), + FRAC_CONST(0.86800776855046), + FRAC_CONST(0.86929339605590), + FRAC_CONST(0.87057122209981), + FRAC_CONST(0.87184124646433), + FRAC_CONST(0.87310346938840), + FRAC_CONST(0.87435789156650), + FRAC_CONST(0.87560451414719), + FRAC_CONST(0.87684333873173), + FRAC_CONST(0.87807436737261), + FRAC_CONST(0.87929760257204), + FRAC_CONST(0.88051304728038), + FRAC_CONST(0.88172070489456), + FRAC_CONST(0.88292057925645), + FRAC_CONST(0.88411267465117), + FRAC_CONST(0.88529699580537), + FRAC_CONST(0.88647354788545), + FRAC_CONST(0.88764233649580), + FRAC_CONST(0.88880336767692), + FRAC_CONST(0.88995664790351), + FRAC_CONST(0.89110218408260), + FRAC_CONST(0.89223998355154), + FRAC_CONST(0.89337005407600), + FRAC_CONST(0.89449240384793), + FRAC_CONST(0.89560704148345), + FRAC_CONST(0.89671397602074), + FRAC_CONST(0.89781321691786), + FRAC_CONST(0.89890477405053), + FRAC_CONST(0.89998865770993), + FRAC_CONST(0.90106487860034), + FRAC_CONST(0.90213344783689), + FRAC_CONST(0.90319437694315), + FRAC_CONST(0.90424767784873), + FRAC_CONST(0.90529336288690), + FRAC_CONST(0.90633144479201), + FRAC_CONST(0.90736193669708), + FRAC_CONST(0.90838485213119), + FRAC_CONST(0.90940020501694), + FRAC_CONST(0.91040800966776), + FRAC_CONST(0.91140828078533), + FRAC_CONST(0.91240103345685), + FRAC_CONST(0.91338628315231), + FRAC_CONST(0.91436404572173), + FRAC_CONST(0.91533433739238), + FRAC_CONST(0.91629717476594), + FRAC_CONST(0.91725257481564), + FRAC_CONST(0.91820055488334), + FRAC_CONST(0.91914113267664), + FRAC_CONST(0.92007432626589), + FRAC_CONST(0.92100015408120), + FRAC_CONST(0.92191863490944), + FRAC_CONST(0.92282978789113), + FRAC_CONST(0.92373363251740), + FRAC_CONST(0.92463018862687), + FRAC_CONST(0.92551947640245), + FRAC_CONST(0.92640151636824), + FRAC_CONST(0.92727632938624), + FRAC_CONST(0.92814393665320), + FRAC_CONST(0.92900435969727), + FRAC_CONST(0.92985762037477), + FRAC_CONST(0.93070374086684), + FRAC_CONST(0.93154274367610), + FRAC_CONST(0.93237465162328), + FRAC_CONST(0.93319948784382), + FRAC_CONST(0.93401727578443), + FRAC_CONST(0.93482803919967), + FRAC_CONST(0.93563180214841), + FRAC_CONST(0.93642858899043), + FRAC_CONST(0.93721842438279), + FRAC_CONST(0.93800133327637), + FRAC_CONST(0.93877734091223), + FRAC_CONST(0.93954647281807), + FRAC_CONST(0.94030875480458), + FRAC_CONST(0.94106421296182), + FRAC_CONST(0.94181287365556), + FRAC_CONST(0.94255476352362), + FRAC_CONST(0.94328990947213), + FRAC_CONST(0.94401833867184), + FRAC_CONST(0.94474007855439), + FRAC_CONST(0.94545515680855), + FRAC_CONST(0.94616360137644), + FRAC_CONST(0.94686544044975), + FRAC_CONST(0.94756070246592), + FRAC_CONST(0.94824941610434), + FRAC_CONST(0.94893161028248), + FRAC_CONST(0.94960731415209), + FRAC_CONST(0.95027655709525), + FRAC_CONST(0.95093936872056), + FRAC_CONST(0.95159577885924), + FRAC_CONST(0.95224581756115), + FRAC_CONST(0.95288951509097), + FRAC_CONST(0.95352690192417), + FRAC_CONST(0.95415800874314), + FRAC_CONST(0.95478286643320), + FRAC_CONST(0.95540150607863), + FRAC_CONST(0.95601395895871), + FRAC_CONST(0.95662025654373), + FRAC_CONST(0.95722043049100), + FRAC_CONST(0.95781451264084), + FRAC_CONST(0.95840253501260), + FRAC_CONST(0.95898452980058), + FRAC_CONST(0.95956052937008), + FRAC_CONST(0.96013056625336), + FRAC_CONST(0.96069467314557), + FRAC_CONST(0.96125288290073), + FRAC_CONST(0.96180522852773), + FRAC_CONST(0.96235174318622), + FRAC_CONST(0.96289246018262), + FRAC_CONST(0.96342741296604), + FRAC_CONST(0.96395663512424), + FRAC_CONST(0.96448016037959), + FRAC_CONST(0.96499802258499), + FRAC_CONST(0.96551025571985), + FRAC_CONST(0.96601689388602), + FRAC_CONST(0.96651797130376), + FRAC_CONST(0.96701352230768), + FRAC_CONST(0.96750358134269), + FRAC_CONST(0.96798818295998), + FRAC_CONST(0.96846736181297), + FRAC_CONST(0.96894115265327), + FRAC_CONST(0.96940959032667), + FRAC_CONST(0.96987270976912), + FRAC_CONST(0.97033054600270), + FRAC_CONST(0.97078313413161), + FRAC_CONST(0.97123050933818), + FRAC_CONST(0.97167270687887), + FRAC_CONST(0.97210976208030), + FRAC_CONST(0.97254171033525), + FRAC_CONST(0.97296858709871), + FRAC_CONST(0.97339042788392), + FRAC_CONST(0.97380726825843), + FRAC_CONST(0.97421914384017), + FRAC_CONST(0.97462609029350), + FRAC_CONST(0.97502814332534), + FRAC_CONST(0.97542533868127), + FRAC_CONST(0.97581771214160), + FRAC_CONST(0.97620529951759), + FRAC_CONST(0.97658813664749), + FRAC_CONST(0.97696625939282), + FRAC_CONST(0.97733970363445), + FRAC_CONST(0.97770850526884), + FRAC_CONST(0.97807270020427), + FRAC_CONST(0.97843232435704), + FRAC_CONST(0.97878741364771), + FRAC_CONST(0.97913800399743), + FRAC_CONST(0.97948413132414), + FRAC_CONST(0.97982583153895), + FRAC_CONST(0.98016314054243), + FRAC_CONST(0.98049609422096), + FRAC_CONST(0.98082472844313), + FRAC_CONST(0.98114907905608), + FRAC_CONST(0.98146918188197), + FRAC_CONST(0.98178507271438), + FRAC_CONST(0.98209678731477), + FRAC_CONST(0.98240436140902), + FRAC_CONST(0.98270783068385), + FRAC_CONST(0.98300723078342), + FRAC_CONST(0.98330259730589), + FRAC_CONST(0.98359396579995), + FRAC_CONST(0.98388137176152), + FRAC_CONST(0.98416485063031), + FRAC_CONST(0.98444443778651), + FRAC_CONST(0.98472016854752), + FRAC_CONST(0.98499207816463), + FRAC_CONST(0.98526020181980), + FRAC_CONST(0.98552457462240), + FRAC_CONST(0.98578523160609), + FRAC_CONST(0.98604220772560), + FRAC_CONST(0.98629553785362), + FRAC_CONST(0.98654525677772), + FRAC_CONST(0.98679139919726), + FRAC_CONST(0.98703399972035), + FRAC_CONST(0.98727309286089), + FRAC_CONST(0.98750871303556), + FRAC_CONST(0.98774089456089), + FRAC_CONST(0.98796967165036), + FRAC_CONST(0.98819507841154), + FRAC_CONST(0.98841714884323), + FRAC_CONST(0.98863591683269), + FRAC_CONST(0.98885141615285), + FRAC_CONST(0.98906368045957), + FRAC_CONST(0.98927274328896), + FRAC_CONST(0.98947863805473), + FRAC_CONST(0.98968139804554), + FRAC_CONST(0.98988105642241), + FRAC_CONST(0.99007764621618), + FRAC_CONST(0.99027120032501), + FRAC_CONST(0.99046175151186), + FRAC_CONST(0.99064933240208), + FRAC_CONST(0.99083397548099), + FRAC_CONST(0.99101571309153), + FRAC_CONST(0.99119457743191), + FRAC_CONST(0.99137060055337), + FRAC_CONST(0.99154381435784), + FRAC_CONST(0.99171425059582), + FRAC_CONST(0.99188194086414), + FRAC_CONST(0.99204691660388), + FRAC_CONST(0.99220920909823), + FRAC_CONST(0.99236884947045), + FRAC_CONST(0.99252586868186), + FRAC_CONST(0.99268029752989), + FRAC_CONST(0.99283216664606), + FRAC_CONST(0.99298150649419), + FRAC_CONST(0.99312834736847), + FRAC_CONST(0.99327271939167), + FRAC_CONST(0.99341465251338), + FRAC_CONST(0.99355417650825), + FRAC_CONST(0.99369132097430), + FRAC_CONST(0.99382611533130), + FRAC_CONST(0.99395858881910), + FRAC_CONST(0.99408877049612), + FRAC_CONST(0.99421668923778), + FRAC_CONST(0.99434237373503), + FRAC_CONST(0.99446585249289), + FRAC_CONST(0.99458715382906), + FRAC_CONST(0.99470630587254), + FRAC_CONST(0.99482333656229), + FRAC_CONST(0.99493827364600), + FRAC_CONST(0.99505114467878), + FRAC_CONST(0.99516197702200), + FRAC_CONST(0.99527079784214), + FRAC_CONST(0.99537763410962), + FRAC_CONST(0.99548251259777), + FRAC_CONST(0.99558545988178), + FRAC_CONST(0.99568650233767), + FRAC_CONST(0.99578566614138), + FRAC_CONST(0.99588297726783), + FRAC_CONST(0.99597846149005), + FRAC_CONST(0.99607214437834), + FRAC_CONST(0.99616405129947), + FRAC_CONST(0.99625420741595), + FRAC_CONST(0.99634263768527), + FRAC_CONST(0.99642936685928), + FRAC_CONST(0.99651441948352), + FRAC_CONST(0.99659781989663), + FRAC_CONST(0.99667959222978), + FRAC_CONST(0.99675976040620), + FRAC_CONST(0.99683834814063), + FRAC_CONST(0.99691537893895), + FRAC_CONST(0.99699087609774), + FRAC_CONST(0.99706486270391), + FRAC_CONST(0.99713736163442), + FRAC_CONST(0.99720839555593), + FRAC_CONST(0.99727798692461), + FRAC_CONST(0.99734615798589), + FRAC_CONST(0.99741293077431), + FRAC_CONST(0.99747832711337), + FRAC_CONST(0.99754236861541), + FRAC_CONST(0.99760507668158), + FRAC_CONST(0.99766647250181), + FRAC_CONST(0.99772657705478), + FRAC_CONST(0.99778541110799), + FRAC_CONST(0.99784299521785), + FRAC_CONST(0.99789934972976), + FRAC_CONST(0.99795449477828), + FRAC_CONST(0.99800845028730), + FRAC_CONST(0.99806123597027), + FRAC_CONST(0.99811287133042), + FRAC_CONST(0.99816337566108), + FRAC_CONST(0.99821276804596), + FRAC_CONST(0.99826106735952), + FRAC_CONST(0.99830829226732), + FRAC_CONST(0.99835446122649), + FRAC_CONST(0.99839959248609), + FRAC_CONST(0.99844370408765), + FRAC_CONST(0.99848681386566), + FRAC_CONST(0.99852893944805), + FRAC_CONST(0.99857009825685), + FRAC_CONST(0.99861030750869), + FRAC_CONST(0.99864958421549), + FRAC_CONST(0.99868794518504), + FRAC_CONST(0.99872540702178), + FRAC_CONST(0.99876198612738), + FRAC_CONST(0.99879769870160), + FRAC_CONST(0.99883256074295), + FRAC_CONST(0.99886658804953), + FRAC_CONST(0.99889979621983), + FRAC_CONST(0.99893220065356), + FRAC_CONST(0.99896381655254), + FRAC_CONST(0.99899465892154), + FRAC_CONST(0.99902474256924), + FRAC_CONST(0.99905408210916), + FRAC_CONST(0.99908269196056), + FRAC_CONST(0.99911058634952), + FRAC_CONST(0.99913777930986), + FRAC_CONST(0.99916428468421), + FRAC_CONST(0.99919011612505), + FRAC_CONST(0.99921528709576), + FRAC_CONST(0.99923981087174), + FRAC_CONST(0.99926370054150), + FRAC_CONST(0.99928696900779), + FRAC_CONST(0.99930962898876), + FRAC_CONST(0.99933169301910), + FRAC_CONST(0.99935317345126), + FRAC_CONST(0.99937408245662), + FRAC_CONST(0.99939443202674), + FRAC_CONST(0.99941423397457), + FRAC_CONST(0.99943349993572), + FRAC_CONST(0.99945224136972), + FRAC_CONST(0.99947046956130), + FRAC_CONST(0.99948819562171), + FRAC_CONST(0.99950543049000), + FRAC_CONST(0.99952218493439), + FRAC_CONST(0.99953846955355), + FRAC_CONST(0.99955429477803), + FRAC_CONST(0.99956967087154), + FRAC_CONST(0.99958460793242), + FRAC_CONST(0.99959911589494), + FRAC_CONST(0.99961320453077), + FRAC_CONST(0.99962688345035), + FRAC_CONST(0.99964016210433), + FRAC_CONST(0.99965304978499), + FRAC_CONST(0.99966555562769), + FRAC_CONST(0.99967768861231), + FRAC_CONST(0.99968945756473), + FRAC_CONST(0.99970087115825), + FRAC_CONST(0.99971193791510), + FRAC_CONST(0.99972266620792), + FRAC_CONST(0.99973306426121), + FRAC_CONST(0.99974314015288), + FRAC_CONST(0.99975290181568), + FRAC_CONST(0.99976235703876), + FRAC_CONST(0.99977151346914), + FRAC_CONST(0.99978037861326), + FRAC_CONST(0.99978895983845), + FRAC_CONST(0.99979726437448), + FRAC_CONST(0.99980529931507), + FRAC_CONST(0.99981307161943), + FRAC_CONST(0.99982058811377), + FRAC_CONST(0.99982785549283), + FRAC_CONST(0.99983488032144), + FRAC_CONST(0.99984166903600), + FRAC_CONST(0.99984822794606), + FRAC_CONST(0.99985456323584), + FRAC_CONST(0.99986068096572), + FRAC_CONST(0.99986658707386), + FRAC_CONST(0.99987228737764), + FRAC_CONST(0.99987778757524), + FRAC_CONST(0.99988309324717), + FRAC_CONST(0.99988820985777), + FRAC_CONST(0.99989314275675), + FRAC_CONST(0.99989789718072), + FRAC_CONST(0.99990247825468), + FRAC_CONST(0.99990689099357), + FRAC_CONST(0.99991114030376), + FRAC_CONST(0.99991523098456), + FRAC_CONST(0.99991916772971), + FRAC_CONST(0.99992295512891), + FRAC_CONST(0.99992659766930), + FRAC_CONST(0.99993009973692), + FRAC_CONST(0.99993346561824), + FRAC_CONST(0.99993669950161), + FRAC_CONST(0.99993980547870), + FRAC_CONST(0.99994278754604), + FRAC_CONST(0.99994564960642), + FRAC_CONST(0.99994839547033), + FRAC_CONST(0.99995102885747), + FRAC_CONST(0.99995355339809), + FRAC_CONST(0.99995597263451), + FRAC_CONST(0.99995829002249), + FRAC_CONST(0.99996050893264), + FRAC_CONST(0.99996263265183), + FRAC_CONST(0.99996466438460), + FRAC_CONST(0.99996660725452), + FRAC_CONST(0.99996846430558), + FRAC_CONST(0.99997023850356), + FRAC_CONST(0.99997193273736), + FRAC_CONST(0.99997354982037), + FRAC_CONST(0.99997509249183), + FRAC_CONST(0.99997656341810), + FRAC_CONST(0.99997796519400), + FRAC_CONST(0.99997930034415), + FRAC_CONST(0.99998057132421), + FRAC_CONST(0.99998178052220), + FRAC_CONST(0.99998293025975), + FRAC_CONST(0.99998402279338), + FRAC_CONST(0.99998506031574), + FRAC_CONST(0.99998604495686), + FRAC_CONST(0.99998697878536), + FRAC_CONST(0.99998786380966), + FRAC_CONST(0.99998870197921), + FRAC_CONST(0.99998949518567), + FRAC_CONST(0.99999024526408), + FRAC_CONST(0.99999095399401), + FRAC_CONST(0.99999162310077), + FRAC_CONST(0.99999225425649), + FRAC_CONST(0.99999284908128), + FRAC_CONST(0.99999340914435), + FRAC_CONST(0.99999393596510), + FRAC_CONST(0.99999443101421), + FRAC_CONST(0.99999489571473), + FRAC_CONST(0.99999533144314), + FRAC_CONST(0.99999573953040), + FRAC_CONST(0.99999612126300), + FRAC_CONST(0.99999647788395), + FRAC_CONST(0.99999681059383), + FRAC_CONST(0.99999712055178), + FRAC_CONST(0.99999740887647), + FRAC_CONST(0.99999767664709), + FRAC_CONST(0.99999792490431), + FRAC_CONST(0.99999815465123), + FRAC_CONST(0.99999836685427), + FRAC_CONST(0.99999856244415), + FRAC_CONST(0.99999874231676), + FRAC_CONST(0.99999890733405), + FRAC_CONST(0.99999905832493), + FRAC_CONST(0.99999919608613), + FRAC_CONST(0.99999932138304), + FRAC_CONST(0.99999943495056), + FRAC_CONST(0.99999953749392), + FRAC_CONST(0.99999962968950), + FRAC_CONST(0.99999971218563), + FRAC_CONST(0.99999978560337), + FRAC_CONST(0.99999985053727), + FRAC_CONST(0.99999990755616), + FRAC_CONST(0.99999995720387) + }; + +#ifdef ALLOW_SMALL_FRAMELENGTH + ALIGN static const real_t kbd_long_960[] = { + FRAC_CONST(0.0003021562530949), + FRAC_CONST(0.0004452267024786), + FRAC_CONST(0.0005674947527496), + FRAC_CONST(0.0006812465553466), + FRAC_CONST(0.0007910496776387), + FRAC_CONST(0.0008991655033895), + FRAC_CONST(0.0010068978259384), + FRAC_CONST(0.0011150758515751), + FRAC_CONST(0.0012242653193642), + FRAC_CONST(0.0013348735658205), + FRAC_CONST(0.0014472068670273), + FRAC_CONST(0.0015615039850448), + FRAC_CONST(0.0016779568885263), + FRAC_CONST(0.0017967241232412), + FRAC_CONST(0.0019179397560955), + FRAC_CONST(0.0020417195415393), + FRAC_CONST(0.0021681652836642), + FRAC_CONST(0.0022973679910599), + FRAC_CONST(0.0024294102029937), + FRAC_CONST(0.0025643677339078), + FRAC_CONST(0.0027023110014772), + FRAC_CONST(0.0028433060512612), + FRAC_CONST(0.0029874153568025), + FRAC_CONST(0.0031346984511728), + FRAC_CONST(0.0032852124303662), + FRAC_CONST(0.0034390123581190), + FRAC_CONST(0.0035961515940931), + FRAC_CONST(0.0037566820618961), + FRAC_CONST(0.0039206544694386), + FRAC_CONST(0.0040881184912194), + FRAC_CONST(0.0042591229199617), + FRAC_CONST(0.0044337157933972), + FRAC_CONST(0.0046119445007641), + FRAC_CONST(0.0047938558726415), + FRAC_CONST(0.0049794962570131), + FRAC_CONST(0.0051689115838900), + FRAC_CONST(0.0053621474203763), + FRAC_CONST(0.0055592490177131), + FRAC_CONST(0.0057602613515573), + FRAC_CONST(0.0059652291565289), + FRAC_CONST(0.0061741969558843), + FRAC_CONST(0.0063872090870253), + FRAC_CONST(0.0066043097234387), + FRAC_CONST(0.0068255428935640), + FRAC_CONST(0.0070509524970088), + FRAC_CONST(0.0072805823184660), + FRAC_CONST(0.0075144760396340), + FRAC_CONST(0.0077526772493942), + FRAC_CONST(0.0079952294524673), + FRAC_CONST(0.0082421760767325), + FRAC_CONST(0.0084935604793733), + FRAC_CONST(0.0087494259519870), + FRAC_CONST(0.0090098157247792), + FRAC_CONST(0.0092747729699467), + FRAC_CONST(0.0095443408043399), + FRAC_CONST(0.0098185622914832), + FRAC_CONST(0.0100974804430226), + FRAC_CONST(0.0103811382196612), + FRAC_CONST(0.0106695785316351), + FRAC_CONST(0.0109628442387771), + FRAC_CONST(0.0112609781502091), + FRAC_CONST(0.0115640230236993), + FRAC_CONST(0.0118720215647169), + FRAC_CONST(0.0121850164252137), + FRAC_CONST(0.0125030502021561), + FRAC_CONST(0.0128261654358321), + FRAC_CONST(0.0131544046079532), + FRAC_CONST(0.0134878101395681), + FRAC_CONST(0.0138264243888068), + FRAC_CONST(0.0141702896484671), + FRAC_CONST(0.0145194481434592), + FRAC_CONST(0.0148739420281182), + FRAC_CONST(0.0152338133833959), + FRAC_CONST(0.0155991042139432), + FRAC_CONST(0.0159698564450882), + FRAC_CONST(0.0163461119197227), + FRAC_CONST(0.0167279123950996), + FRAC_CONST(0.0171152995395520), + FRAC_CONST(0.0175083149291368), + FRAC_CONST(0.0179070000442104), + FRAC_CONST(0.0183113962659409), + FRAC_CONST(0.0187215448727609), + FRAC_CONST(0.0191374870367659), + FRAC_CONST(0.0195592638200623), + FRAC_CONST(0.0199869161710679), + FRAC_CONST(0.0204204849207691), + FRAC_CONST(0.0208600107789370), + FRAC_CONST(0.0213055343303066), + FRAC_CONST(0.0217570960307201), + FRAC_CONST(0.0222147362032386), + FRAC_CONST(0.0226784950342228), + FRAC_CONST(0.0231484125693867), + FRAC_CONST(0.0236245287098244), + FRAC_CONST(0.0241068832080138), + FRAC_CONST(0.0245955156637973), + FRAC_CONST(0.0250904655203431), + FRAC_CONST(0.0255917720600868), + FRAC_CONST(0.0260994744006559), + FRAC_CONST(0.0266136114907790), + FRAC_CONST(0.0271342221061795), + FRAC_CONST(0.0276613448454576), + FRAC_CONST(0.0281950181259587), + FRAC_CONST(0.0287352801796329), + FRAC_CONST(0.0292821690488833), + FRAC_CONST(0.0298357225824074), + FRAC_CONST(0.0303959784310299), + FRAC_CONST(0.0309629740435296), + FRAC_CONST(0.0315367466624615), + FRAC_CONST(0.0321173333199732), + FRAC_CONST(0.0327047708336193), + FRAC_CONST(0.0332990958021720), + FRAC_CONST(0.0339003446014307), + FRAC_CONST(0.0345085533800302), + FRAC_CONST(0.0351237580552491), + FRAC_CONST(0.0357459943088193), + FRAC_CONST(0.0363752975827358), + FRAC_CONST(0.0370117030750704), + FRAC_CONST(0.0376552457357870), + FRAC_CONST(0.0383059602625614), + FRAC_CONST(0.0389638810966056), + FRAC_CONST(0.0396290424184964), + FRAC_CONST(0.0403014781440112), + FRAC_CONST(0.0409812219199691), + FRAC_CONST(0.0416683071200799), + FRAC_CONST(0.0423627668408009), + FRAC_CONST(0.0430646338972016), + FRAC_CONST(0.0437739408188385), + FRAC_CONST(0.0444907198456388), + FRAC_CONST(0.0452150029237951), + FRAC_CONST(0.0459468217016708), + FRAC_CONST(0.0466862075257170), + FRAC_CONST(0.0474331914364021), + FRAC_CONST(0.0481878041641539), + FRAC_CONST(0.0489500761253148), + FRAC_CONST(0.0497200374181119), + FRAC_CONST(0.0504977178186404), + FRAC_CONST(0.0512831467768636), + FRAC_CONST(0.0520763534126273), + FRAC_CONST(0.0528773665116913), + FRAC_CONST(0.0536862145217772), + FRAC_CONST(0.0545029255486345), + FRAC_CONST(0.0553275273521232), + FRAC_CONST(0.0561600473423164), + FRAC_CONST(0.0570005125756209), + FRAC_CONST(0.0578489497509179), + FRAC_CONST(0.0587053852057233), + FRAC_CONST(0.0595698449123695), + FRAC_CONST(0.0604423544742077), + FRAC_CONST(0.0613229391218317), + FRAC_CONST(0.0622116237093247), + FRAC_CONST(0.0631084327105284), + FRAC_CONST(0.0640133902153352), + FRAC_CONST(0.0649265199260043), + FRAC_CONST(0.0658478451535027), + FRAC_CONST(0.0667773888138695), + FRAC_CONST(0.0677151734246072), + FRAC_CONST(0.0686612211010977), + FRAC_CONST(0.0696155535530446), + FRAC_CONST(0.0705781920809429), + FRAC_CONST(0.0715491575725758), + FRAC_CONST(0.0725284704995383), + FRAC_CONST(0.0735161509137906), + FRAC_CONST(0.0745122184442388), + FRAC_CONST(0.0755166922933461), + FRAC_CONST(0.0765295912337720), + FRAC_CONST(0.0775509336050437), + FRAC_CONST(0.0785807373102561), + FRAC_CONST(0.0796190198128044), + FRAC_CONST(0.0806657981331473), + FRAC_CONST(0.0817210888456026), + FRAC_CONST(0.0827849080751753), + FRAC_CONST(0.0838572714944183), + FRAC_CONST(0.0849381943203265), + FRAC_CONST(0.0860276913112652), + FRAC_CONST(0.0871257767639319), + FRAC_CONST(0.0882324645103534), + FRAC_CONST(0.0893477679149177), + FRAC_CONST(0.0904716998714418), + FRAC_CONST(0.0916042728002747), + FRAC_CONST(0.0927454986454381), + FRAC_CONST(0.0938953888718020), + FRAC_CONST(0.0950539544622996), + FRAC_CONST(0.0962212059151784), + FRAC_CONST(0.0973971532412897), + FRAC_CONST(0.0985818059614169), + FRAC_CONST(0.0997751731036425), + FRAC_CONST(0.1009772632007537), + FRAC_CONST(0.1021880842876888), + FRAC_CONST(0.1034076438990227), + FRAC_CONST(0.1046359490664932), + FRAC_CONST(0.1058730063165681), + FRAC_CONST(0.1071188216680533), + FRAC_CONST(0.1083734006297428), + FRAC_CONST(0.1096367481981100), + FRAC_CONST(0.1109088688550422), + FRAC_CONST(0.1121897665656167), + FRAC_CONST(0.1134794447759207), + FRAC_CONST(0.1147779064109143), + FRAC_CONST(0.1160851538723372), + FRAC_CONST(0.1174011890366591), + FRAC_CONST(0.1187260132530751), + FRAC_CONST(0.1200596273415457), + FRAC_CONST(0.1214020315908810), + FRAC_CONST(0.1227532257568719), + FRAC_CONST(0.1241132090604651), + FRAC_CONST(0.1254819801859856), + FRAC_CONST(0.1268595372794049), + FRAC_CONST(0.1282458779466558), + FRAC_CONST(0.1296409992519942), + FRAC_CONST(0.1310448977164081), + FRAC_CONST(0.1324575693160745), + FRAC_CONST(0.1338790094808633), + FRAC_CONST(0.1353092130928902), + FRAC_CONST(0.1367481744851168), + FRAC_CONST(0.1381958874400010), + FRAC_CONST(0.1396523451881945), + FRAC_CONST(0.1411175404072910), + FRAC_CONST(0.1425914652206223), + FRAC_CONST(0.1440741111961058), + FRAC_CONST(0.1455654693451402), + FRAC_CONST(0.1470655301215526), + FRAC_CONST(0.1485742834205956), + FRAC_CONST(0.1500917185779945), + FRAC_CONST(0.1516178243690463), + FRAC_CONST(0.1531525890077689), + FRAC_CONST(0.1546960001461024), + FRAC_CONST(0.1562480448731608), + FRAC_CONST(0.1578087097145364), + FRAC_CONST(0.1593779806316558), + FRAC_CONST(0.1609558430211876), + FRAC_CONST(0.1625422817145027), + FRAC_CONST(0.1641372809771871), + FRAC_CONST(0.1657408245086070), + FRAC_CONST(0.1673528954415270), + FRAC_CONST(0.1689734763417811), + FRAC_CONST(0.1706025492079969), + FRAC_CONST(0.1722400954713725), + FRAC_CONST(0.1738860959955082), + FRAC_CONST(0.1755405310762898), + FRAC_CONST(0.1772033804418275), + FRAC_CONST(0.1788746232524467), + FRAC_CONST(0.1805542381007349), + FRAC_CONST(0.1822422030116404), + FRAC_CONST(0.1839384954426268), + FRAC_CONST(0.1856430922838810), + FRAC_CONST(0.1873559698585756), + FRAC_CONST(0.1890771039231862), + FRAC_CONST(0.1908064696678625), + FRAC_CONST(0.1925440417168546), + FRAC_CONST(0.1942897941289937), + FRAC_CONST(0.1960437003982277), + FRAC_CONST(0.1978057334542116), + FRAC_CONST(0.1995758656629525), + FRAC_CONST(0.2013540688275098), + FRAC_CONST(0.2031403141887507), + FRAC_CONST(0.2049345724261595), + FRAC_CONST(0.2067368136587033), + FRAC_CONST(0.2085470074457521), + FRAC_CONST(0.2103651227880538), + FRAC_CONST(0.2121911281287646), + FRAC_CONST(0.2140249913545346), + FRAC_CONST(0.2158666797966480), + FRAC_CONST(0.2177161602322188), + FRAC_CONST(0.2195733988854414), + FRAC_CONST(0.2214383614288963), + FRAC_CONST(0.2233110129849106), + FRAC_CONST(0.2251913181269740), + FRAC_CONST(0.2270792408812093), + FRAC_CONST(0.2289747447278976), + FRAC_CONST(0.2308777926030592), + FRAC_CONST(0.2327883469000885), + FRAC_CONST(0.2347063694714437), + FRAC_CONST(0.2366318216303919), + FRAC_CONST(0.2385646641528076), + FRAC_CONST(0.2405048572790267), + FRAC_CONST(0.2424523607157545), + FRAC_CONST(0.2444071336380283), + FRAC_CONST(0.2463691346912334), + FRAC_CONST(0.2483383219931741), + FRAC_CONST(0.2503146531361985), + FRAC_CONST(0.2522980851893767), + FRAC_CONST(0.2542885747007335), + FRAC_CONST(0.2562860776995335), + FRAC_CONST(0.2582905496986215), + FRAC_CONST(0.2603019456968142), + FRAC_CONST(0.2623202201813464), + FRAC_CONST(0.2643453271303700), + FRAC_CONST(0.2663772200155053), + FRAC_CONST(0.2684158518044454), + FRAC_CONST(0.2704611749636135), + FRAC_CONST(0.2725131414608710), + FRAC_CONST(0.2745717027682799), + FRAC_CONST(0.2766368098649151), + FRAC_CONST(0.2787084132397296), + FRAC_CONST(0.2807864628944707), + FRAC_CONST(0.2828709083466482), + FRAC_CONST(0.2849616986325523), + FRAC_CONST(0.2870587823103237), + FRAC_CONST(0.2891621074630737), + FRAC_CONST(0.2912716217020546), + FRAC_CONST(0.2933872721698803), + FRAC_CONST(0.2955090055437973), + FRAC_CONST(0.2976367680390041), + FRAC_CONST(0.2997705054120213), + FRAC_CONST(0.3019101629641097), + FRAC_CONST(0.3040556855447379), + FRAC_CONST(0.3062070175550981), + FRAC_CONST(0.3083641029516701), + FRAC_CONST(0.3105268852498334), + FRAC_CONST(0.3126953075275265), + FRAC_CONST(0.3148693124289546), + FRAC_CONST(0.3170488421683428), + FRAC_CONST(0.3192338385337370), + FRAC_CONST(0.3214242428908514), + FRAC_CONST(0.3236199961869606), + FRAC_CONST(0.3258210389548392), + FRAC_CONST(0.3280273113167459), + FRAC_CONST(0.3302387529884521), + FRAC_CONST(0.3324553032833160), + FRAC_CONST(0.3346769011164010), + FRAC_CONST(0.3369034850086373), + FRAC_CONST(0.3391349930910280), + FRAC_CONST(0.3413713631088974), + FRAC_CONST(0.3436125324261830), + FRAC_CONST(0.3458584380297697), + FRAC_CONST(0.3481090165338656), + FRAC_CONST(0.3503642041844199), + FRAC_CONST(0.3526239368635820), + FRAC_CONST(0.3548881500942010), + FRAC_CONST(0.3571567790443668), + FRAC_CONST(0.3594297585319891), + FRAC_CONST(0.3617070230294185), + FRAC_CONST(0.3639885066681048), + FRAC_CONST(0.3662741432432950), + FRAC_CONST(0.3685638662187693), + FRAC_CONST(0.3708576087316147), + FRAC_CONST(0.3731553035970366), + FRAC_CONST(0.3754568833132069), + FRAC_CONST(0.3777622800661488), + FRAC_CONST(0.3800714257346570), + FRAC_CONST(0.3823842518952546), + FRAC_CONST(0.3847006898271841), + FRAC_CONST(0.3870206705174334), + FRAC_CONST(0.3893441246657958), + FRAC_CONST(0.3916709826899639), + FRAC_CONST(0.3940011747306560), + FRAC_CONST(0.3963346306567764), + FRAC_CONST(0.3986712800706062), + FRAC_CONST(0.4010110523130271), + FRAC_CONST(0.4033538764687756), + FRAC_CONST(0.4056996813717284), + FRAC_CONST(0.4080483956102172), + FRAC_CONST(0.4103999475323736), + FRAC_CONST(0.4127542652515031), + FRAC_CONST(0.4151112766514873), + FRAC_CONST(0.4174709093922143), + FRAC_CONST(0.4198330909150365), + FRAC_CONST(0.4221977484482556), + FRAC_CONST(0.4245648090126334), + FRAC_CONST(0.4269341994269293), + FRAC_CONST(0.4293058463134616), + FRAC_CONST(0.4316796761036958), + FRAC_CONST(0.4340556150438547), + FRAC_CONST(0.4364335892005536), + FRAC_CONST(0.4388135244664580), + FRAC_CONST(0.4411953465659639), + FRAC_CONST(0.4435789810609000), + FRAC_CONST(0.4459643533562509), + FRAC_CONST(0.4483513887059016), + FRAC_CONST(0.4507400122184019), + FRAC_CONST(0.4531301488627497), + FRAC_CONST(0.4555217234741947), + FRAC_CONST(0.4579146607600593), + FRAC_CONST(0.4603088853055777), + FRAC_CONST(0.4627043215797521), + FRAC_CONST(0.4651008939412254), + FRAC_CONST(0.4674985266441709), + FRAC_CONST(0.4698971438441951), + FRAC_CONST(0.4722966696042580), + FRAC_CONST(0.4746970279006055), + FRAC_CONST(0.4770981426287164), + FRAC_CONST(0.4794999376092619), + FRAC_CONST(0.4819023365940778), + FRAC_CONST(0.4843052632721476), + FRAC_CONST(0.4867086412755978), + FRAC_CONST(0.4891123941857028), + FRAC_CONST(0.4915164455388997), + FRAC_CONST(0.4939207188328126), + FRAC_CONST(0.4963251375322855), + FRAC_CONST(0.4987296250754225), + FRAC_CONST(0.5011341048796359), + FRAC_CONST(0.5035385003477012), + FRAC_CONST(0.5059427348738168), + FRAC_CONST(0.5083467318496706), + FRAC_CONST(0.5107504146705106), + FRAC_CONST(0.5131537067412193), + FRAC_CONST(0.5155565314823923), + FRAC_CONST(0.5179588123364193), + FRAC_CONST(0.5203604727735667), + FRAC_CONST(0.5227614362980630), + FRAC_CONST(0.5251616264541841), + FRAC_CONST(0.5275609668323384), + FRAC_CONST(0.5299593810751532), + FRAC_CONST(0.5323567928835578), + FRAC_CONST(0.5347531260228663), + FRAC_CONST(0.5371483043288580), + FRAC_CONST(0.5395422517138538), + FRAC_CONST(0.5419348921727899), + FRAC_CONST(0.5443261497892862), + FRAC_CONST(0.5467159487417104), + FRAC_CONST(0.5491042133092364), + FRAC_CONST(0.5514908678778958), + FRAC_CONST(0.5538758369466227), + FRAC_CONST(0.5562590451332913), + FRAC_CONST(0.5586404171807443), + FRAC_CONST(0.5610198779628133), + FRAC_CONST(0.5633973524903286), + FRAC_CONST(0.5657727659171199), + FRAC_CONST(0.5681460435460047), + FRAC_CONST(0.5705171108347663), + FRAC_CONST(0.5728858934021188), + FRAC_CONST(0.5752523170336598), + FRAC_CONST(0.5776163076878088), + FRAC_CONST(0.5799777915017323), + FRAC_CONST(0.5823366947972535), + FRAC_CONST(0.5846929440867458), + FRAC_CONST(0.5870464660790119), + FRAC_CONST(0.5893971876851449), + FRAC_CONST(0.5917450360243719), + FRAC_CONST(0.5940899384298793), + FRAC_CONST(0.5964318224546208), + FRAC_CONST(0.5987706158771039), + FRAC_CONST(0.6011062467071583), + FRAC_CONST(0.6034386431916822), + FRAC_CONST(0.6057677338203681), + FRAC_CONST(0.6080934473314057), + FRAC_CONST(0.6104157127171639), + FRAC_CONST(0.6127344592298474), + FRAC_CONST(0.6150496163871310), + FRAC_CONST(0.6173611139777690), + FRAC_CONST(0.6196688820671789), + FRAC_CONST(0.6219728510029997), + FRAC_CONST(0.6242729514206247), + FRAC_CONST(0.6265691142487051), + FRAC_CONST(0.6288612707146283), + FRAC_CONST(0.6311493523499663), + FRAC_CONST(0.6334332909958958), + FRAC_CONST(0.6357130188085891), + FRAC_CONST(0.6379884682645743), + FRAC_CONST(0.6402595721660647), + FRAC_CONST(0.6425262636462578), + FRAC_CONST(0.6447884761746012), + FRAC_CONST(0.6470461435620266), + FRAC_CONST(0.6492991999661505), + FRAC_CONST(0.6515475798964411), + FRAC_CONST(0.6537912182193508), + FRAC_CONST(0.6560300501634142), + FRAC_CONST(0.6582640113243098), + FRAC_CONST(0.6604930376698862), + FRAC_CONST(0.6627170655451516), + FRAC_CONST(0.6649360316772256), + FRAC_CONST(0.6671498731802533), + FRAC_CONST(0.6693585275602818), + FRAC_CONST(0.6715619327200959), + FRAC_CONST(0.6737600269640164), + FRAC_CONST(0.6759527490026566), + FRAC_CONST(0.6781400379576392), + FRAC_CONST(0.6803218333662715), + FRAC_CONST(0.6824980751861787), + FRAC_CONST(0.6846687037998949), + FRAC_CONST(0.6868336600194123), + FRAC_CONST(0.6889928850906855), + FRAC_CONST(0.6911463206980928), + FRAC_CONST(0.6932939089688525), + FRAC_CONST(0.6954355924773949), + FRAC_CONST(0.6975713142496884), + FRAC_CONST(0.6997010177675195), + FRAC_CONST(0.7018246469727265), + FRAC_CONST(0.7039421462713862), + FRAC_CONST(0.7060534605379528), + FRAC_CONST(0.7081585351193496), + FRAC_CONST(0.7102573158390105), + FRAC_CONST(0.7123497490008750), + FRAC_CONST(0.7144357813933307), + FRAC_CONST(0.7165153602931092), + FRAC_CONST(0.7185884334691287), + FRAC_CONST(0.7206549491862871), + FRAC_CONST(0.7227148562092042), + FRAC_CONST(0.7247681038059106), + FRAC_CONST(0.7268146417514855), + FRAC_CONST(0.7288544203316418), + FRAC_CONST(0.7308873903462577), + FRAC_CONST(0.7329135031128549), + FRAC_CONST(0.7349327104700221), + FRAC_CONST(0.7369449647807855), + FRAC_CONST(0.7389502189359237), + FRAC_CONST(0.7409484263572271), + FRAC_CONST(0.7429395410007016), + FRAC_CONST(0.7449235173597176), + FRAC_CONST(0.7469003104681008), + FRAC_CONST(0.7488698759031670), + FRAC_CONST(0.7508321697887005), + FRAC_CONST(0.7527871487978728), + FRAC_CONST(0.7547347701561059), + FRAC_CONST(0.7566749916438754), + FRAC_CONST(0.7586077715994560), + FRAC_CONST(0.7605330689216074), + FRAC_CONST(0.7624508430722016), + FRAC_CONST(0.7643610540787891), + FRAC_CONST(0.7662636625371070), + FRAC_CONST(0.7681586296135255), + FRAC_CONST(0.7700459170474343), + FRAC_CONST(0.7719254871535672), + FRAC_CONST(0.7737973028242671), + FRAC_CONST(0.7756613275316875), + FRAC_CONST(0.7775175253299340), + FRAC_CONST(0.7793658608571425), + FRAC_CONST(0.7812062993374951), + FRAC_CONST(0.7830388065831744), + FRAC_CONST(0.7848633489962533), + FRAC_CONST(0.7866798935705233), + FRAC_CONST(0.7884884078932579), + FRAC_CONST(0.7902888601469138), + FRAC_CONST(0.7920812191107668), + FRAC_CONST(0.7938654541624850), + FRAC_CONST(0.7956415352796368), + FRAC_CONST(0.7974094330411343), + FRAC_CONST(0.7991691186286133), + FRAC_CONST(0.8009205638277465), + FRAC_CONST(0.8026637410294932), + FRAC_CONST(0.8043986232312831), + FRAC_CONST(0.8061251840381346), + FRAC_CONST(0.8078433976637077), + FRAC_CONST(0.8095532389312917), + FRAC_CONST(0.8112546832747255), + FRAC_CONST(0.8129477067392539), + FRAC_CONST(0.8146322859823164), + FRAC_CONST(0.8163083982742698), + FRAC_CONST(0.8179760214990457), + FRAC_CONST(0.8196351341547393), + FRAC_CONST(0.8212857153541345), + FRAC_CONST(0.8229277448251595), + FRAC_CONST(0.8245612029112778), + FRAC_CONST(0.8261860705718113), + FRAC_CONST(0.8278023293821971), + FRAC_CONST(0.8294099615341773), + FRAC_CONST(0.8310089498359212), + FRAC_CONST(0.8325992777120815), + FRAC_CONST(0.8341809292037831), + FRAC_CONST(0.8357538889685445), + FRAC_CONST(0.8373181422801330), + FRAC_CONST(0.8388736750283521), + FRAC_CONST(0.8404204737187619), + FRAC_CONST(0.8419585254723335), + FRAC_CONST(0.8434878180250348), + FRAC_CONST(0.8450083397273509), + FRAC_CONST(0.8465200795437368), + FRAC_CONST(0.8480230270520029), + FRAC_CONST(0.8495171724426350), + FRAC_CONST(0.8510025065180464), + FRAC_CONST(0.8524790206917633), + FRAC_CONST(0.8539467069875448), + FRAC_CONST(0.8554055580384357), + FRAC_CONST(0.8568555670857525), + FRAC_CONST(0.8582967279780043), + FRAC_CONST(0.8597290351697464), + FRAC_CONST(0.8611524837203691), + FRAC_CONST(0.8625670692928198), + FRAC_CONST(0.8639727881522599), + FRAC_CONST(0.8653696371646555), + FRAC_CONST(0.8667576137953045), + FRAC_CONST(0.8681367161072958), + FRAC_CONST(0.8695069427599065), + FRAC_CONST(0.8708682930069319), + FRAC_CONST(0.8722207666949527), + FRAC_CONST(0.8735643642615368), + FRAC_CONST(0.8748990867333771), + FRAC_CONST(0.8762249357243662), + FRAC_CONST(0.8775419134336067), + FRAC_CONST(0.8788500226433579), + FRAC_CONST(0.8801492667169208), + FRAC_CONST(0.8814396495964587), + FRAC_CONST(0.8827211758007560), + FRAC_CONST(0.8839938504229149), + FRAC_CONST(0.8852576791279895), + FRAC_CONST(0.8865126681505587), + FRAC_CONST(0.8877588242922386), + FRAC_CONST(0.8889961549191320), + FRAC_CONST(0.8902246679592184), + FRAC_CONST(0.8914443718996848), + FRAC_CONST(0.8926552757841945), + FRAC_CONST(0.8938573892100969), + FRAC_CONST(0.8950507223255798), + FRAC_CONST(0.8962352858267605), + FRAC_CONST(0.8974110909547198), + FRAC_CONST(0.8985781494924783), + FRAC_CONST(0.8997364737619142), + FRAC_CONST(0.9008860766206249), + FRAC_CONST(0.9020269714587307), + FRAC_CONST(0.9031591721956235), + FRAC_CONST(0.9042826932766591), + FRAC_CONST(0.9053975496697941), + FRAC_CONST(0.9065037568621681), + FRAC_CONST(0.9076013308566311), + FRAC_CONST(0.9086902881682180), + FRAC_CONST(0.9097706458205682), + FRAC_CONST(0.9108424213422940), + FRAC_CONST(0.9119056327632955), + FRAC_CONST(0.9129602986110235), + FRAC_CONST(0.9140064379066919), + FRAC_CONST(0.9150440701614393), + FRAC_CONST(0.9160732153724396), + FRAC_CONST(0.9170938940189634), + FRAC_CONST(0.9181061270583908), + FRAC_CONST(0.9191099359221748), + FRAC_CONST(0.9201053425117579), + FRAC_CONST(0.9210923691944400), + FRAC_CONST(0.9220710387992010), + FRAC_CONST(0.9230413746124764), + FRAC_CONST(0.9240034003738882), + FRAC_CONST(0.9249571402719298), + FRAC_CONST(0.9259026189396085), + FRAC_CONST(0.9268398614500427), + FRAC_CONST(0.9277688933120170), + FRAC_CONST(0.9286897404654957), + FRAC_CONST(0.9296024292770939), + FRAC_CONST(0.9305069865355076), + FRAC_CONST(0.9314034394469048), + FRAC_CONST(0.9322918156302762), + FRAC_CONST(0.9331721431127471), + FRAC_CONST(0.9340444503248519), + FRAC_CONST(0.9349087660957711), + FRAC_CONST(0.9357651196485313), + FRAC_CONST(0.9366135405951697), + FRAC_CONST(0.9374540589318637), + FRAC_CONST(0.9382867050340261), + FRAC_CONST(0.9391115096513655), + FRAC_CONST(0.9399285039029165), + FRAC_CONST(0.9407377192720349), + FRAC_CONST(0.9415391876013639), + FRAC_CONST(0.9423329410877687), + FRAC_CONST(0.9431190122772415), + FRAC_CONST(0.9438974340597782), + FRAC_CONST(0.9446682396642262), + FRAC_CONST(0.9454314626531054), + FRAC_CONST(0.9461871369174033), + FRAC_CONST(0.9469352966713429), + FRAC_CONST(0.9476759764471278), + FRAC_CONST(0.9484092110896616), + FRAC_CONST(0.9491350357512457), + FRAC_CONST(0.9498534858862532), + FRAC_CONST(0.9505645972457831), + FRAC_CONST(0.9512684058722927), + FRAC_CONST(0.9519649480942105), + FRAC_CONST(0.9526542605205314), + FRAC_CONST(0.9533363800353921), + FRAC_CONST(0.9540113437926313), + FRAC_CONST(0.9546791892103320), + FRAC_CONST(0.9553399539653500), + FRAC_CONST(0.9559936759878265), + FRAC_CONST(0.9566403934556893), + FRAC_CONST(0.9572801447891388), + FRAC_CONST(0.9579129686451244), + FRAC_CONST(0.9585389039118085), + FRAC_CONST(0.9591579897030224), + FRAC_CONST(0.9597702653527108), + FRAC_CONST(0.9603757704093711), + FRAC_CONST(0.9609745446304828), + FRAC_CONST(0.9615666279769324), + FRAC_CONST(0.9621520606074324), + FRAC_CONST(0.9627308828729358), + FRAC_CONST(0.9633031353110477), + FRAC_CONST(0.9638688586404335), + FRAC_CONST(0.9644280937552258), + FRAC_CONST(0.9649808817194311), + FRAC_CONST(0.9655272637613366), + FRAC_CONST(0.9660672812679171), + FRAC_CONST(0.9666009757792454), + FRAC_CONST(0.9671283889829055), + FRAC_CONST(0.9676495627084089), + FRAC_CONST(0.9681645389216160), + FRAC_CONST(0.9686733597191652), + FRAC_CONST(0.9691760673229058), + FRAC_CONST(0.9696727040743406), + FRAC_CONST(0.9701633124290767), + FRAC_CONST(0.9706479349512860), + FRAC_CONST(0.9711266143081750), + FRAC_CONST(0.9715993932644684), + FRAC_CONST(0.9720663146769026), + FRAC_CONST(0.9725274214887337), + FRAC_CONST(0.9729827567242596), + FRAC_CONST(0.9734323634833574), + FRAC_CONST(0.9738762849360358), + FRAC_CONST(0.9743145643170059), + FRAC_CONST(0.9747472449202687), + FRAC_CONST(0.9751743700937215), + FRAC_CONST(0.9755959832337850), + FRAC_CONST(0.9760121277800496), + FRAC_CONST(0.9764228472099433), + FRAC_CONST(0.9768281850334235), + FRAC_CONST(0.9772281847876897), + FRAC_CONST(0.9776228900319223), + FRAC_CONST(0.9780123443420448), + FRAC_CONST(0.9783965913055132), + FRAC_CONST(0.9787756745161313), + FRAC_CONST(0.9791496375688939), + FRAC_CONST(0.9795185240548578), + FRAC_CONST(0.9798823775560431), + FRAC_CONST(0.9802412416403639), + FRAC_CONST(0.9805951598565897), + FRAC_CONST(0.9809441757293399), + FRAC_CONST(0.9812883327541090), + FRAC_CONST(0.9816276743923267), + FRAC_CONST(0.9819622440664515), + FRAC_CONST(0.9822920851550995), + FRAC_CONST(0.9826172409882086), + FRAC_CONST(0.9829377548422400), + FRAC_CONST(0.9832536699354163), + FRAC_CONST(0.9835650294229984), + FRAC_CONST(0.9838718763926001), + FRAC_CONST(0.9841742538595437), + FRAC_CONST(0.9844722047622547), + FRAC_CONST(0.9847657719576983), + FRAC_CONST(0.9850549982168574), + FRAC_CONST(0.9853399262202529), + FRAC_CONST(0.9856205985535073), + FRAC_CONST(0.9858970577029519), + FRAC_CONST(0.9861693460512790), + FRAC_CONST(0.9864375058732389), + FRAC_CONST(0.9867015793313820), + FRAC_CONST(0.9869616084718489), + FRAC_CONST(0.9872176352202061), + FRAC_CONST(0.9874697013773301), + FRAC_CONST(0.9877178486153397), + FRAC_CONST(0.9879621184735767), + FRAC_CONST(0.9882025523546365), + FRAC_CONST(0.9884391915204485), + FRAC_CONST(0.9886720770884069), + FRAC_CONST(0.9889012500275530), + FRAC_CONST(0.9891267511548089), + FRAC_CONST(0.9893486211312621), + FRAC_CONST(0.9895669004585049), + FRAC_CONST(0.9897816294750255), + FRAC_CONST(0.9899928483526520), + FRAC_CONST(0.9902005970930525), + FRAC_CONST(0.9904049155242876), + FRAC_CONST(0.9906058432974180), + FRAC_CONST(0.9908034198831690), + FRAC_CONST(0.9909976845686489), + FRAC_CONST(0.9911886764541239), + FRAC_CONST(0.9913764344498495), + FRAC_CONST(0.9915609972729590), + FRAC_CONST(0.9917424034444086), + FRAC_CONST(0.9919206912859797), + FRAC_CONST(0.9920958989173397), + FRAC_CONST(0.9922680642531603), + FRAC_CONST(0.9924372250002933), + FRAC_CONST(0.9926034186550070), + FRAC_CONST(0.9927666825002789), + FRAC_CONST(0.9929270536031491), + FRAC_CONST(0.9930845688121325), + FRAC_CONST(0.9932392647546895), + FRAC_CONST(0.9933911778347579), + FRAC_CONST(0.9935403442303433), + FRAC_CONST(0.9936867998911693), + FRAC_CONST(0.9938305805363887), + FRAC_CONST(0.9939717216523539), + FRAC_CONST(0.9941102584904481), + FRAC_CONST(0.9942462260649764), + FRAC_CONST(0.9943796591511174), + FRAC_CONST(0.9945105922829353), + FRAC_CONST(0.9946390597514524), + FRAC_CONST(0.9947650956027824), + FRAC_CONST(0.9948887336363228), + FRAC_CONST(0.9950100074030103), + FRAC_CONST(0.9951289502036336), + FRAC_CONST(0.9952455950872091), + FRAC_CONST(0.9953599748494155), + FRAC_CONST(0.9954721220310890), + FRAC_CONST(0.9955820689167787), + FRAC_CONST(0.9956898475333619), + FRAC_CONST(0.9957954896487196), + FRAC_CONST(0.9958990267704713), + FRAC_CONST(0.9960004901447701), + FRAC_CONST(0.9960999107551559), + FRAC_CONST(0.9961973193214694), + FRAC_CONST(0.9962927462988245), + FRAC_CONST(0.9963862218766388), + FRAC_CONST(0.9964777759777242), + FRAC_CONST(0.9965674382574342), + FRAC_CONST(0.9966552381028704), + FRAC_CONST(0.9967412046321465), + FRAC_CONST(0.9968253666937095), + FRAC_CONST(0.9969077528657186), + FRAC_CONST(0.9969883914554805), + FRAC_CONST(0.9970673104989413), + FRAC_CONST(0.9971445377602348), + FRAC_CONST(0.9972201007312871), + FRAC_CONST(0.9972940266314749), + FRAC_CONST(0.9973663424073412), + FRAC_CONST(0.9974370747323638), + FRAC_CONST(0.9975062500067785), + FRAC_CONST(0.9975738943574574), + FRAC_CONST(0.9976400336378379), + FRAC_CONST(0.9977046934279079), + FRAC_CONST(0.9977678990342401), + FRAC_CONST(0.9978296754900812), + FRAC_CONST(0.9978900475554902), + FRAC_CONST(0.9979490397175296), + FRAC_CONST(0.9980066761905056), + FRAC_CONST(0.9980629809162593), + FRAC_CONST(0.9981179775645063), + FRAC_CONST(0.9981716895332257), + FRAC_CONST(0.9982241399490979), + FRAC_CONST(0.9982753516679893), + FRAC_CONST(0.9983253472754841), + FRAC_CONST(0.9983741490874634), + FRAC_CONST(0.9984217791507299), + FRAC_CONST(0.9984682592436778), + FRAC_CONST(0.9985136108770075), + FRAC_CONST(0.9985578552944850), + FRAC_CONST(0.9986010134737439), + FRAC_CONST(0.9986431061271304), + FRAC_CONST(0.9986841537025921), + FRAC_CONST(0.9987241763846056), + FRAC_CONST(0.9987631940951476), + FRAC_CONST(0.9988012264947044), + FRAC_CONST(0.9988382929833222), + FRAC_CONST(0.9988744127016956), + FRAC_CONST(0.9989096045322947), + FRAC_CONST(0.9989438871005292), + FRAC_CONST(0.9989772787759494), + FRAC_CONST(0.9990097976734847), + FRAC_CONST(0.9990414616547146), + FRAC_CONST(0.9990722883291779), + FRAC_CONST(0.9991022950557125), + FRAC_CONST(0.9991314989438310), + FRAC_CONST(0.9991599168551279), + FRAC_CONST(0.9991875654047181), + FRAC_CONST(0.9992144609627068), + FRAC_CONST(0.9992406196556911), + FRAC_CONST(0.9992660573682882), + FRAC_CONST(0.9992907897446957), + FRAC_CONST(0.9993148321902777), + FRAC_CONST(0.9993381998731797), + FRAC_CONST(0.9993609077259696), + FRAC_CONST(0.9993829704473038), + FRAC_CONST(0.9994044025036201), + FRAC_CONST(0.9994252181308537), + FRAC_CONST(0.9994454313361775), + FRAC_CONST(0.9994650558997651), + FRAC_CONST(0.9994841053765757), + FRAC_CONST(0.9995025930981609), + FRAC_CONST(0.9995205321744921), + FRAC_CONST(0.9995379354958073), + FRAC_CONST(0.9995548157344778), + FRAC_CONST(0.9995711853468930), + FRAC_CONST(0.9995870565753632), + FRAC_CONST(0.9996024414500382), + FRAC_CONST(0.9996173517908444), + FRAC_CONST(0.9996317992094352), + FRAC_CONST(0.9996457951111574), + FRAC_CONST(0.9996593506970310), + FRAC_CONST(0.9996724769657434), + FRAC_CONST(0.9996851847156547), + FRAC_CONST(0.9996974845468164), + FRAC_CONST(0.9997093868630000), + FRAC_CONST(0.9997209018737374), + FRAC_CONST(0.9997320395963699), + FRAC_CONST(0.9997428098581069), + FRAC_CONST(0.9997532222980933), + FRAC_CONST(0.9997632863694836), + FRAC_CONST(0.9997730113415246), + FRAC_CONST(0.9997824063016426), + FRAC_CONST(0.9997914801575380), + FRAC_CONST(0.9998002416392840), + FRAC_CONST(0.9998086993014300), + FRAC_CONST(0.9998168615251084), + FRAC_CONST(0.9998247365201450), + FRAC_CONST(0.9998323323271717), + FRAC_CONST(0.9998396568197407), + FRAC_CONST(0.9998467177064404), + FRAC_CONST(0.9998535225330116), + FRAC_CONST(0.9998600786844637), + FRAC_CONST(0.9998663933871905), + FRAC_CONST(0.9998724737110845), + FRAC_CONST(0.9998783265716498), + FRAC_CONST(0.9998839587321121), + FRAC_CONST(0.9998893768055266), + FRAC_CONST(0.9998945872568815), + FRAC_CONST(0.9998995964051983), + FRAC_CONST(0.9999044104256269), + FRAC_CONST(0.9999090353515359), + FRAC_CONST(0.9999134770765971), + FRAC_CONST(0.9999177413568642), + FRAC_CONST(0.9999218338128448), + FRAC_CONST(0.9999257599315647), + FRAC_CONST(0.9999295250686255), + FRAC_CONST(0.9999331344502529), + FRAC_CONST(0.9999365931753376), + FRAC_CONST(0.9999399062174669), + FRAC_CONST(0.9999430784269460), + FRAC_CONST(0.9999461145328103), + FRAC_CONST(0.9999490191448277), + FRAC_CONST(0.9999517967554878), + FRAC_CONST(0.9999544517419835), + FRAC_CONST(0.9999569883681778), + FRAC_CONST(0.9999594107865607), + FRAC_CONST(0.9999617230401926), + FRAC_CONST(0.9999639290646355), + FRAC_CONST(0.9999660326898712), + FRAC_CONST(0.9999680376422052), + FRAC_CONST(0.9999699475461585), + FRAC_CONST(0.9999717659263435), + FRAC_CONST(0.9999734962093266), + FRAC_CONST(0.9999751417254756), + FRAC_CONST(0.9999767057107922), + FRAC_CONST(0.9999781913087290), + FRAC_CONST(0.9999796015719915), + FRAC_CONST(0.9999809394643231), + FRAC_CONST(0.9999822078622751), + FRAC_CONST(0.9999834095569596), + FRAC_CONST(0.9999845472557860), + FRAC_CONST(0.9999856235841805), + FRAC_CONST(0.9999866410872889), + FRAC_CONST(0.9999876022316609), + FRAC_CONST(0.9999885094069193), + FRAC_CONST(0.9999893649274085), + FRAC_CONST(0.9999901710338274), + FRAC_CONST(0.9999909298948430), + FRAC_CONST(0.9999916436086862), + FRAC_CONST(0.9999923142047299), + FRAC_CONST(0.9999929436450469), + FRAC_CONST(0.9999935338259505), + FRAC_CONST(0.9999940865795161), + FRAC_CONST(0.9999946036750835), + FRAC_CONST(0.9999950868207405), + FRAC_CONST(0.9999955376647868), + FRAC_CONST(0.9999959577971798), + FRAC_CONST(0.9999963487509599), + FRAC_CONST(0.9999967120036571), + FRAC_CONST(0.9999970489786785), + FRAC_CONST(0.9999973610466748), + FRAC_CONST(0.9999976495268890), + FRAC_CONST(0.9999979156884846), + FRAC_CONST(0.9999981607518545), + FRAC_CONST(0.9999983858899099), + FRAC_CONST(0.9999985922293493), + FRAC_CONST(0.9999987808519092), + FRAC_CONST(0.9999989527955938), + FRAC_CONST(0.9999991090558848), + FRAC_CONST(0.9999992505869332), + FRAC_CONST(0.9999993783027293), + FRAC_CONST(0.9999994930782556), + FRAC_CONST(0.9999995957506171), + FRAC_CONST(0.9999996871201549), + FRAC_CONST(0.9999997679515386), + FRAC_CONST(0.9999998389748399), + FRAC_CONST(0.9999999008865869), + FRAC_CONST(0.9999999543507984) + }; +#endif + + ALIGN static const real_t kbd_short_128[] = { + FRAC_CONST(4.3795702929468881e-005), + FRAC_CONST(0.00011867384265436617), + FRAC_CONST(0.0002307165763996192), + FRAC_CONST(0.00038947282760568383), + FRAC_CONST(0.00060581272288302553), + FRAC_CONST(0.00089199695169487453), + FRAC_CONST(0.0012617254423430522), + FRAC_CONST(0.0017301724373162003), + FRAC_CONST(0.0023140071937421476), + FRAC_CONST(0.0030313989666022221), + FRAC_CONST(0.0039020049735530842), + FRAC_CONST(0.0049469401815512024), + FRAC_CONST(0.0061887279335368318), + FRAC_CONST(0.0076512306364647726), + FRAC_CONST(0.0093595599562652423), + FRAC_CONST(0.011339966208377799), + FRAC_CONST(0.013619706891715299), + FRAC_CONST(0.016226894586323766), + FRAC_CONST(0.019190324717288168), + FRAC_CONST(0.022539283975960878), + FRAC_CONST(0.026303340480472455), + FRAC_CONST(0.030512117046644357), + FRAC_CONST(0.03519504922365594), + FRAC_CONST(0.040381130021856941), + FRAC_CONST(0.046098643518702249), + FRAC_CONST(0.052374889768730587), + FRAC_CONST(0.059235903660769147), + FRAC_CONST(0.066706170556282418), + FRAC_CONST(0.074808341703430481), + FRAC_CONST(0.083562952548726227), + FRAC_CONST(0.092988147159339674), + FRAC_CONST(0.1030994120216919), + FRAC_CONST(0.11390932249409955), + FRAC_CONST(0.12542730516149531), + FRAC_CONST(0.13765941926783826), + FRAC_CONST(0.15060816028651081), + FRAC_CONST(0.16427228853114245), + FRAC_CONST(0.17864668550988483), + FRAC_CONST(0.19372224048676889), + FRAC_CONST(0.20948576943658073), + FRAC_CONST(0.22591996826744942), + FRAC_CONST(0.24300340184133981), + FRAC_CONST(0.26071052995068139), + FRAC_CONST(0.27901177101369551), + FRAC_CONST(0.29787360383626599), + FRAC_CONST(0.3172587073594233), + FRAC_CONST(0.33712613787396362), + FRAC_CONST(0.35743154274286698), + FRAC_CONST(0.37812740923363009), + FRAC_CONST(0.39916334663203618), + FRAC_CONST(0.42048639939189658), + FRAC_CONST(0.4420413886774246), + FRAC_CONST(0.4637712792815169), + FRAC_CONST(0.4856175685594023), + FRAC_CONST(0.50752069370766872), + FRAC_CONST(0.52942045344797806), + FRAC_CONST(0.55125643994680196), + FRAC_CONST(0.57296847662071559), + FRAC_CONST(0.59449705734411495), + FRAC_CONST(0.61578378249506627), + FRAC_CONST(0.63677178724712891), + FRAC_CONST(0.65740615754163356), + FRAC_CONST(0.67763432925662526), + FRAC_CONST(0.69740646622548552), + FRAC_CONST(0.71667581294953808), + FRAC_CONST(0.73539901809352737), + FRAC_CONST(0.75353642514900732), + FRAC_CONST(0.77105232699609816), + FRAC_CONST(0.78791518148597028), + FRAC_CONST(0.80409778560147072), + FRAC_CONST(0.81957740622770781), + FRAC_CONST(0.83433586607383625), + FRAC_CONST(0.84835958382689225), + FRAC_CONST(0.86163956818294229), + FRAC_CONST(0.87417136598406997), + FRAC_CONST(0.88595496528524853), + FRAC_CONST(0.89699465477567619), + FRAC_CONST(0.90729884157670959), + FRAC_CONST(0.91687983002436779), + FRAC_CONST(0.92575356460899649), + FRAC_CONST(0.93393934077779084), + FRAC_CONST(0.94145948779657318), + FRAC_CONST(0.94833902830402828), + FRAC_CONST(0.95460531956280026), + FRAC_CONST(0.96028768170574896), + FRAC_CONST(0.96541701848104766), + FRAC_CONST(0.97002543610646474), + FRAC_CONST(0.97414586584250062), + FRAC_CONST(0.97781169577969584), + FRAC_CONST(0.98105641710392333), + FRAC_CONST(0.98391328975491177), + FRAC_CONST(0.98641503193166202), + FRAC_CONST(0.98859353733226141), + FRAC_CONST(0.99047962335771556), + FRAC_CONST(0.9921028127769449), + FRAC_CONST(0.99349115056397752), + FRAC_CONST(0.99467105680259038), + FRAC_CONST(0.9956672157341897), + FRAC_CONST(0.99650250022834352), + FRAC_CONST(0.99719793020823266), + FRAC_CONST(0.99777266288955657), + FRAC_CONST(0.99824401211201486), + FRAC_CONST(0.99862749357391212), + FRAC_CONST(0.99893689243401962), + FRAC_CONST(0.99918434952623147), + FRAC_CONST(0.99938046234161726), + FRAC_CONST(0.99953439696357238), + FRAC_CONST(0.99965400728430465), + FRAC_CONST(0.99974595807027455), + FRAC_CONST(0.99981584876278362), + FRAC_CONST(0.99986833527824281), + FRAC_CONST(0.99990724749057802), + FRAC_CONST(0.99993570051598468), + FRAC_CONST(0.99995619835942084), + FRAC_CONST(0.99997072890647543), + FRAC_CONST(0.9999808496399144), + FRAC_CONST(0.99998776381655818), + FRAC_CONST(0.99999238714961569), + FRAC_CONST(0.99999540529959718), + FRAC_CONST(0.99999732268176988), + FRAC_CONST(0.99999850325054862), + FRAC_CONST(0.99999920402413744), + FRAC_CONST(0.9999996021706401), + FRAC_CONST(0.99999981649545566), + FRAC_CONST(0.99999992415545547), + FRAC_CONST(0.99999997338493041), + FRAC_CONST(0.99999999295825959), + FRAC_CONST(0.99999999904096815) + }; + +#ifdef ALLOW_SMALL_FRAMELENGTH + ALIGN static const real_t kbd_short_120[] = { + FRAC_CONST(0.0000452320086910), + FRAC_CONST(0.0001274564692111), + FRAC_CONST(0.0002529398385345), + FRAC_CONST(0.0004335140496648), + FRAC_CONST(0.0006827100966952), + FRAC_CONST(0.0010158708222246), + FRAC_CONST(0.0014502162869659), + FRAC_CONST(0.0020048865156264), + FRAC_CONST(0.0027009618393178), + FRAC_CONST(0.0035614590925043), + FRAC_CONST(0.0046113018122711), + FRAC_CONST(0.0058772627936484), + FRAC_CONST(0.0073878776584103), + FRAC_CONST(0.0091733284512589), + FRAC_CONST(0.0112652966728373), + FRAC_CONST(0.0136967855861945), + FRAC_CONST(0.0165019120857793), + FRAC_CONST(0.0197156688892217), + FRAC_CONST(0.0233736582950619), + FRAC_CONST(0.0275117992367496), + FRAC_CONST(0.0321660098468534), + FRAC_CONST(0.0373718682174417), + FRAC_CONST(0.0431642544948834), + FRAC_CONST(0.0495769778717676), + FRAC_CONST(0.0566423924273392), + FRAC_CONST(0.0643910061132260), + FRAC_CONST(0.0728510874761729), + FRAC_CONST(0.0820482749475221), + FRAC_CONST(0.0920051937045235), + FRAC_CONST(0.1027410852163450), + FRAC_CONST(0.1142714546239370), + FRAC_CONST(0.1266077410648368), + FRAC_CONST(0.1397570159398145), + FRAC_CONST(0.1537217139274270), + FRAC_CONST(0.1684994012857075), + FRAC_CONST(0.1840825856392944), + FRAC_CONST(0.2004585710384133), + FRAC_CONST(0.2176093615976121), + FRAC_CONST(0.2355116164824983), + FRAC_CONST(0.2541366584185075), + FRAC_CONST(0.2734505372545160), + FRAC_CONST(0.2934141494343369), + FRAC_CONST(0.3139834135200387), + FRAC_CONST(0.3351095011824163), + FRAC_CONST(0.3567391223361566), + FRAC_CONST(0.3788148623608774), + FRAC_CONST(0.4012755686250732), + FRAC_CONST(0.4240567828288110), + FRAC_CONST(0.4470912150133537), + FRAC_CONST(0.4703092544619664), + FRAC_CONST(0.4936395121456694), + FRAC_CONST(0.5170093888596962), + FRAC_CONST(0.5403456627591340), + FRAC_CONST(0.5635750896430154), + FRAC_CONST(0.5866250090612892), + FRAC_CONST(0.6094239491338723), + FRAC_CONST(0.6319022228794100), + FRAC_CONST(0.6539925088563087), + FRAC_CONST(0.6756304090216887), + FRAC_CONST(0.6967549769155277), + FRAC_CONST(0.7173092095766250), + FRAC_CONST(0.7372404969921184), + FRAC_CONST(0.7565010233699827), + FRAC_CONST(0.7750481150999984), + FRAC_CONST(0.7928445309277697), + FRAC_CONST(0.8098586906021583), + FRAC_CONST(0.8260648390616000), + FRAC_CONST(0.8414431440907889), + FRAC_CONST(0.8559797262966709), + FRAC_CONST(0.8696666212110165), + FRAC_CONST(0.8825016743142358), + FRAC_CONST(0.8944883707784486), + FRAC_CONST(0.9056356027326216), + FRAC_CONST(0.9159573778427816), + FRAC_CONST(0.9254724739583072), + FRAC_CONST(0.9342040454819434), + FRAC_CONST(0.9421791879559176), + FRAC_CONST(0.9494284680976784), + FRAC_CONST(0.9559854271440150), + FRAC_CONST(0.9618860658493898), + FRAC_CONST(0.9671683198119525), + FRAC_CONST(0.9718715339497299), + FRAC_CONST(0.9760359449042233), + FRAC_CONST(0.9797021798981759), + FRAC_CONST(0.9829107801140203), + FRAC_CONST(0.9857017559923277), + FRAC_CONST(0.9881141809867999), + FRAC_CONST(0.9901858292742826), + FRAC_CONST(0.9919528617340944), + FRAC_CONST(0.9934495632180476), + FRAC_CONST(0.9947081327749199), + FRAC_CONST(0.9957585271195989), + FRAC_CONST(0.9966283562984427), + FRAC_CONST(0.9973428292485683), + FRAC_CONST(0.9979247458259197), + FRAC_CONST(0.9983945309245774), + FRAC_CONST(0.9987703055583410), + FRAC_CONST(0.9990679892449266), + FRAC_CONST(0.9993014277313617), + FRAC_CONST(0.9994825400228521), + FRAC_CONST(0.9996214788122335), + FRAC_CONST(0.9997267987294857), + FRAC_CONST(0.9998056273097539), + FRAC_CONST(0.9998638341781910), + FRAC_CONST(0.9999061946325793), + FRAC_CONST(0.9999365445321382), + FRAC_CONST(0.9999579241373735), + FRAC_CONST(0.9999727092594598), + FRAC_CONST(0.9999827287418790), + FRAC_CONST(0.9999893678912771), + FRAC_CONST(0.9999936579844555), + FRAC_CONST(0.9999963523959187), + FRAC_CONST(0.9999979902130101), + FRAC_CONST(0.9999989484358076), + FRAC_CONST(0.9999994840031031), + FRAC_CONST(0.9999997669534347), + FRAC_CONST(0.9999999060327799), + FRAC_CONST(0.9999999680107184), + FRAC_CONST(0.9999999918774242), + FRAC_CONST(0.9999999989770326) + }; +#endif + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/libaacdec.c b/audio_codec/libfaad/libaacdec.c new file mode 100644 index 0000000..b4acc09 --- a/dev/null +++ b/audio_codec/libfaad/libaacdec.c @@ -0,0 +1,544 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: main.c,v 1.85 2008/09/22 17:55:09 menno Exp $ +**/ + +#ifdef WIN32 +#define WIN32_LEAN_AND_MEAN +#include +#define off_t __int64 +#else +#include +#endif + +#include "libaacdec.h" +#include +#include +#include +#include +#ifndef WIN32 +#include +#endif + +#define min(a,b) ( (a) < (b) ? (a) : (b) ) + +/* MicroSoft channel definitions */ +#define SPEAKER_FRONT_LEFT 0x1 +#define SPEAKER_FRONT_RIGHT 0x2 +#define SPEAKER_FRONT_CENTER 0x4 +#define SPEAKER_LOW_FREQUENCY 0x8 +#define SPEAKER_BACK_LEFT 0x10 +#define SPEAKER_BACK_RIGHT 0x20 +#define SPEAKER_FRONT_LEFT_OF_CENTER 0x40 +#define SPEAKER_FRONT_RIGHT_OF_CENTER 0x80 +#define SPEAKER_BACK_CENTER 0x100 +#define SPEAKER_SIDE_LEFT 0x200 +#define SPEAKER_SIDE_RIGHT 0x400 +#define SPEAKER_TOP_CENTER 0x800 +#define SPEAKER_TOP_FRONT_LEFT 0x1000 +#define SPEAKER_TOP_FRONT_CENTER 0x2000 +#define SPEAKER_TOP_FRONT_RIGHT 0x4000 +#define SPEAKER_TOP_BACK_LEFT 0x8000 +#define SPEAKER_TOP_BACK_CENTER 0x10000 +#define SPEAKER_TOP_BACK_RIGHT 0x20000 +#define SPEAKER_RESERVED 0x80000000 + +#define DefaultReadSize 1024*10 //read count from kernel audio buf one time +#define DefaultOutBufSize 1024*1024 +#define MAX_CHANNELS 6 /* make this higher to support files with more channels */ + +//audio decoder buffer 6144 bytes +#define AAC_INPUTBUF_SIZE 768 /* pick something big enough to hold a bunch of frames */ + +#define ERROR_RESET_COUNT 40 +#define RSYNC_SKIP_BYTES 1 +#define FRAME_RECORD_NUM 40 +#define FRAME_SIZE_MARGIN 300 + +enum { + AAC_ERROR_NO_ENOUGH_DATA = -1, + AAC_ERROR_NEED_RESET_DECODER = -2, +}; + + +typedef struct FaadContext { + NeAACDecHandle hDecoder; + int init_flag; + int header_type; + int gSampleRate; + int gChannels; + int error_count; + int frame_length_his[FRAME_RECORD_NUM]; + unsigned int muted_samples; + unsigned int muted_count; + unsigned init_cost; // summary init funciton cost bytes + unsigned init_start_flag; //start flag to summary data cost + int64_t starttime; + int64_t endtime; +} FaadContext; + +typedef(*findsyncfunc)(unsigned char *buf, int nBytes); +static const int adts_sample_rates[] = {96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350, 0, 0, 0}; + +static int64_t gettime(void) +{ + struct timeval tv; + gettimeofday(&tv, NULL); + return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec; +} + +static long aacChannelConfig2wavexChannelMask(NeAACDecFrameInfo *hInfo) +{ + if (hInfo->channels == 6 && hInfo->num_lfe_channels) { + return SPEAKER_FRONT_LEFT + SPEAKER_FRONT_RIGHT + + SPEAKER_FRONT_CENTER + SPEAKER_LOW_FREQUENCY + + SPEAKER_BACK_LEFT + SPEAKER_BACK_RIGHT; + } else { + return 0; + } +} + +static char *position2string(int position) +{ + switch (position) { + case FRONT_CHANNEL_CENTER: + return "Center front"; + case FRONT_CHANNEL_LEFT: + return "Left front"; + case FRONT_CHANNEL_RIGHT: + return "Right front"; + case SIDE_CHANNEL_LEFT: + return "Left side"; + case SIDE_CHANNEL_RIGHT: + return "Right side"; + case BACK_CHANNEL_LEFT: + return "Left back"; + case BACK_CHANNEL_RIGHT: + return "Right back"; + case BACK_CHANNEL_CENTER: + return "Center back"; + case LFE_CHANNEL: + return "LFE"; + case UNKNOWN_CHANNEL: + return "Unknown"; + default: + return ""; + } + + return ""; +} + + + +static int FindAdtsSRIndex(int sr) +{ + int i; + + for (i = 0; i < 16; i++) { + if (sr == adts_sample_rates[i]) { + return i; + } + } + return 16 - 1; +} + +static unsigned char *MakeAdtsHeader(int *dataSize, NeAACDecFrameInfo *hInfo, int old_format) +{ + unsigned char *data; + int profile = (hInfo->object_type - 1) & 0x3; + int sr_index = ((hInfo->sbr == SBR_UPSAMPLED) || (hInfo->sbr == NO_SBR_UPSAMPLED)) ? + FindAdtsSRIndex(hInfo->samplerate / 2) : FindAdtsSRIndex(hInfo->samplerate); + int skip = (old_format) ? 8 : 7; + int framesize = skip + hInfo->bytesconsumed; + + if (hInfo->header_type == ADTS) { + framesize -= skip; + } + + *dataSize = 7; + + data = malloc(*dataSize * sizeof(unsigned char)); + memset(data, 0, *dataSize * sizeof(unsigned char)); + + data[0] += 0xFF; /* 8b: syncword */ + + data[1] += 0xF0; /* 4b: syncword */ + /* 1b: mpeg id = 0 */ + /* 2b: layer = 0 */ + data[1] += 1; /* 1b: protection absent */ + + data[2] += ((profile << 6) & 0xC0); /* 2b: profile */ + data[2] += ((sr_index << 2) & 0x3C); /* 4b: sampling_frequency_index */ + /* 1b: private = 0 */ + data[2] += ((hInfo->channels >> 2) & 0x1); /* 1b: channel_configuration */ + + data[3] += ((hInfo->channels << 6) & 0xC0); /* 2b: channel_configuration */ + /* 1b: original */ + /* 1b: home */ + /* 1b: copyright_id */ + /* 1b: copyright_id_start */ + data[3] += ((framesize >> 11) & 0x3); /* 2b: aac_frame_length */ + + data[4] += ((framesize >> 3) & 0xFF); /* 8b: aac_frame_length */ + + data[5] += ((framesize << 5) & 0xE0); /* 3b: aac_frame_length */ + data[5] += ((0x7FF >> 6) & 0x1F); /* 5b: adts_buffer_fullness */ + + data[6] += ((0x7FF << 2) & 0x3F); /* 6b: adts_buffer_fullness */ + /* 2b: num_raw_data_blocks */ + + return data; +} + +static unsigned get_frame_size(FaadContext *gFaadCxt) +{ + int i; + unsigned sum = 0; + unsigned valid_his_num = 0; + for (i = 0; i < FRAME_RECORD_NUM; i++) { + if (gFaadCxt->frame_length_his[i] > 0) { + valid_his_num ++; + sum += gFaadCxt->frame_length_his[i]; + } + } + + if (valid_his_num == 0) { + return 2048; + } + + return sum / valid_his_num; +} +static void store_frame_size(FaadContext *gFaadCxt, int lastFrameLen) +{ + /* record the frame length into the history buffer */ + int i = 0; + for (i = 0; i < FRAME_RECORD_NUM - 1; i++) { + gFaadCxt->frame_length_his[i] = gFaadCxt->frame_length_his[i + 1]; + } + gFaadCxt->frame_length_his[FRAME_RECORD_NUM - 1] = lastFrameLen; +} + +static int AACFindADTSSyncWord(unsigned char *buf, int nBytes) +{ + int i; + for (i = 0; i < nBytes - 1; i++) { + if (((buf[i + 0] & 0xff) == 0xff) && ((buf[i + 1] & 0xf6) == 0xf0)) { + break; + } + } + return i; +} +//check two latm frames sync header +static int AACFindLATMSyncWord(unsigned char *buffer, int nBytes) +{ + int i; + int i_frame_size = 0; + for (i = 0; i < nBytes - 2; i++) { + if (buffer[i] == 0x56 && (buffer[i + 1] & 0xe0) == 0xe0) { + i_frame_size = ((buffer[i + 1] & 0x1f) << 8) + buffer[i + 2]; + if (i_frame_size > 4608) { + audio_codec_print("i_frame_size exceed 4608 ,%d \n", i_frame_size); + } + if (i_frame_size > 0 && i_frame_size < 4608) { + break; + } + } + } + return i; +} +int audio_dec_init( +#ifndef WIN32 + audio_decoder_operations_t *adec_ops +#endif +) +{ + //audio_codec_print("[%s]BuildDate--%s BuildTime--%s", __FUNCTION__, __DATE__, __TIME__); + FaadContext *gFaadCxt = NULL; + adec_ops->pdecoder = calloc(1, sizeof(FaadContext)); + if (!adec_ops->pdecoder) { + audio_codec_print("malloc for decoder instance failed\n"); + return -1; + } + gFaadCxt = (FaadContext*)adec_ops->pdecoder; + memset(gFaadCxt, 0, sizeof(FaadContext)); + adec_ops->nInBufSize = AAC_INPUTBUF_SIZE; //4608 bytes input buffer size + adec_ops->nOutBufSize = 64 * 1024; //3 * adec_ops->channels * adec_ops->samplerate * 16/8; // 3s + gFaadCxt->gChannels = adec_ops->channels; + gFaadCxt->gSampleRate = adec_ops->samplerate; + gFaadCxt->init_flag = 0; + gFaadCxt->header_type = 1; //default adts + return 0; +} +static int audio_decoder_init( +#ifndef WIN32 + audio_decoder_operations_t *adec_ops, +#endif + char *outbuf, int *outlen, char *inbuf, int inlen, long *inbuf_consumed) +{ + unsigned long samplerate; + unsigned char channels; + int ret; + NeAACDecConfigurationPtr config = NULL; + char *in_buf; + int inbuf_size; + in_buf = inbuf; + inbuf_size = inlen; + int nReadLen = 0; + FaadContext *gFaadCxt = (FaadContext*)adec_ops->pdecoder; + int islatm = 0; + if (!in_buf || !inbuf_size || !outbuf) { + audio_codec_print(" input/output buffer null or input len is 0 \n"); + } +retry: + //fixed to LATM aac frame header sync to speed up seek speed +#if 1 + if (adec_ops->nAudioDecoderType == ACODEC_FMT_AAC_LATM) { + islatm = 1; + int nSeekNum = AACFindLATMSyncWord(in_buf, inbuf_size); + if (nSeekNum == (inbuf_size - 2)) { + audio_codec_print("[%s %d]%d bytes data not found latm sync header \n", __FUNCTION__,__LINE__, nSeekNum); + } else { + audio_codec_print("[%s %d]latm seek sync header cost %d,total %d,left %d \n", __FUNCTION__,__LINE__, nSeekNum, inbuf_size, inbuf_size - nSeekNum); + } + inbuf_size = inbuf_size - nSeekNum; + if (inbuf_size < (get_frame_size(gFaadCxt) + FRAME_SIZE_MARGIN)/*AAC_INPUTBUF_SIZE/2*/) { + audio_codec_print("[%s %d]input size %d at least %d ,need more data \n", __FUNCTION__,__LINE__, inbuf_size, (get_frame_size(gFaadCxt) + FRAME_SIZE_MARGIN)); + *inbuf_consumed = inlen - inbuf_size; + return AAC_ERROR_NO_ENOUGH_DATA; + } + } +#endif + gFaadCxt->hDecoder = NeAACDecOpen(); + config = NeAACDecGetCurrentConfiguration(gFaadCxt->hDecoder); + config->defObjectType = LC; + config->outputFormat = FAAD_FMT_16BIT; + config->downMatrix = 0x01; + config->useOldADTSFormat = 0; + //config->dontUpSampleImplicitSBR = 1; + NeAACDecSetConfiguration(gFaadCxt->hDecoder, config); + int skipbytes=RSYNC_SKIP_BYTES; + if ((ret = NeAACDecInit(gFaadCxt->hDecoder, in_buf, inbuf_size, &samplerate, &channels, islatm,&skipbytes)) < 0) { + in_buf += skipbytes; + inbuf_size -= skipbytes; + NeAACDecClose(gFaadCxt->hDecoder); + gFaadCxt->hDecoder = NULL; + if (inbuf_size < 0) { + inbuf_size = 0; + } + audio_codec_print("init fail,inbuf_size %d \n", inbuf_size); + + if (inbuf_size < (get_frame_size(gFaadCxt) + FRAME_SIZE_MARGIN) || skipbytes == 0) { + audio_codec_print("skipbytes/%d inbuf_size/%d get_frame_size()/%d ,need more data \n",skipbytes, inbuf_size, (get_frame_size(gFaadCxt) + FRAME_SIZE_MARGIN)); + *inbuf_consumed = inlen - inbuf_size; + return AAC_ERROR_NO_ENOUGH_DATA; + } + goto retry; + } + audio_codec_print("init sucess cost %d\n", ret); + in_buf += ret; + inbuf_size -= ret; + *inbuf_consumed = inlen - inbuf_size; + NeAACDecStruct* hDecoder = (NeAACDecStruct*)(gFaadCxt->hDecoder); + gFaadCxt->init_flag = 1; + gFaadCxt->gChannels = channels; + gFaadCxt->gSampleRate = samplerate; + audio_codec_print("[%s] Init OK adif_present :%d adts_present:%d latm_present:%d,sr %d,ch %d\n", __FUNCTION__, hDecoder->adif_header_present, hDecoder->adts_header_present, hDecoder->latm_header_present, samplerate, channels); + return 0; +} +int audio_dec_decode( +#ifndef WIN32 + audio_decoder_operations_t *adec_ops, +#endif + char *outbuf, int *outlen, char *inbuf, int inlen) +{ + unsigned long samplerate; + unsigned char channels; + void *sample_buffer; + NeAACDecFrameInfo frameInfo; + int outmaxlen = 0; + char *dec_buf; + int dec_bufsize; + int inbuf_consumed = 0; + int ret = 0; + FaadContext *gFaadCxt = (FaadContext*)adec_ops->pdecoder; + dec_bufsize = inlen; + dec_buf = inbuf; + outmaxlen = *outlen ; + *outlen = 0; + if (!outbuf || !inbuf || !inlen) { + audio_codec_print("decoder parameter error,check \n"); + goto exit; + } + if (gFaadCxt->init_start_flag == 0) { + audio_codec_print("MyFaadDecoder init first in \n"); + gFaadCxt->starttime = gettime(); + gFaadCxt->init_start_flag = 1; + } + if (!gFaadCxt->init_flag) { + gFaadCxt->error_count = 0; + audio_codec_print("begin audio_decoder_init,buf size %d \n", dec_bufsize); + ret = audio_decoder_init(adec_ops, outbuf, outlen, dec_buf, dec_bufsize, &inbuf_consumed); + if (ret == AAC_ERROR_NO_ENOUGH_DATA) { + audio_codec_print("decoder buf size %d,cost %d byte input data ,but initiation failed.^_^ \n", inlen, inbuf_consumed); + dec_bufsize -= inbuf_consumed; + goto exit; + } + gFaadCxt->init_flag = 1; + dec_buf += inbuf_consumed; + dec_bufsize -= inbuf_consumed; + gFaadCxt->init_cost += inbuf_consumed; + gFaadCxt->endtime = gettime(); + audio_codec_print(" MyFaadDecoder decoder init finished total cost %d bytes,consumed time %lld ms \n", gFaadCxt->init_cost, (gFaadCxt->endtime - gFaadCxt->starttime) / 1000); + gFaadCxt->init_cost = 0; + if (dec_bufsize < 0) { + dec_bufsize = 0; + } + } + NeAACDecStruct* hDecoder = (NeAACDecStruct*)(gFaadCxt->hDecoder); + //TODO .fix to LATM aac decoder when ffmpeg parser return LATM aac type +#if 0 + if (adec_ops->nAudioDecoderType == ACODEC_FMT_AAC_LATM) { + hDecoder->latm_header_present = 1; + } +#endif + if (hDecoder->adts_header_present) { + int nSeekNum = AACFindADTSSyncWord(dec_buf, dec_bufsize); + if (nSeekNum == (dec_bufsize - 1)) { + audio_codec_print("%d bytes data not found adts sync header \n", nSeekNum); + } + dec_bufsize = dec_bufsize - nSeekNum; + if (dec_bufsize < (get_frame_size(gFaadCxt) + FRAME_SIZE_MARGIN)/*AAC_INPUTBUF_SIZE/2*/) { + goto exit; + } + } + if (hDecoder->latm_header_present) { + int nSeekNum = AACFindLATMSyncWord(dec_buf, dec_bufsize); + if (nSeekNum == (dec_bufsize - 2)) { + audio_codec_print("%d bytes data not found latm sync header \n", nSeekNum); + } + dec_bufsize = dec_bufsize - nSeekNum; + if (dec_bufsize < (get_frame_size(gFaadCxt) + FRAME_SIZE_MARGIN)/*AAC_INPUTBUF_SIZE/2*/) { + goto exit; + } + } + sample_buffer = NeAACDecDecode(gFaadCxt->hDecoder, &frameInfo, dec_buf, dec_bufsize); + dec_bufsize -= frameInfo.bytesconsumed; + if (frameInfo.channels < 0 || frameInfo.channels > 8) { + audio_codec_print("[%s %d]ERR__Unvalid Nch/%d bytesconsumed/%d error/%d\n", + __FUNCTION__,__LINE__,frameInfo.channels,frameInfo.bytesconsumed,frameInfo.error); + sample_buffer=NULL; + } + if (frameInfo.error == 0 && sample_buffer == NULL && hDecoder->latm_header_present) { + dec_bufsize -= 3; + goto exit; + } + if ((frameInfo.error == 0) && (frameInfo.samples > 0) && sample_buffer != NULL) { + store_frame_size(gFaadCxt, frameInfo.bytesconsumed); + gFaadCxt->gSampleRate = frameInfo.samplerate; + gFaadCxt->gChannels = frameInfo.channels; + //code to mute first 1 s ??? +#define MUTE_S 0.2 + if (gFaadCxt->muted_samples == 0) { + gFaadCxt->muted_samples = gFaadCxt->gSampleRate * gFaadCxt->gChannels * MUTE_S; + } + if (gFaadCxt->muted_count < gFaadCxt->muted_samples) { + memset(sample_buffer, 0, 2 * frameInfo.samples); + gFaadCxt->muted_count += frameInfo.samples; + } + if ((outmaxlen - (*outlen)) >= (2 * frameInfo.samples)) { + memcpy(outbuf + (*outlen), sample_buffer, 2 * frameInfo.samples); + *outlen += 2 * frameInfo.samples; + gFaadCxt->error_count = 0; + } else { + audio_codec_print("[%s %d]WARNING: no enough space used for pcm!\n", __FUNCTION__, __LINE__); + } + } + + if (frameInfo.error > 0) { //failed seek to the head + if (frameInfo.error != 34 && frameInfo.error != 35) { + dec_bufsize -= RSYNC_SKIP_BYTES; + audio_codec_print("Error: %s,inlen %d\n", NeAACDecGetErrorMessage(frameInfo.error), inlen); + } + // sr/ch changed info happened 5 times always,some times error maybe,skip bytes + else if (frameInfo.error == 34 && gFaadCxt->error_count > 5) { + dec_bufsize -= RSYNC_SKIP_BYTES; + audio_codec_print("%s,,inlen %d\n", NeAACDecGetErrorMessage(frameInfo.error), inlen); + } + gFaadCxt->error_count++; + //err 34,means aac profile changed , PS.SBR,LC ....,normally happens when switch audio source + if (gFaadCxt->error_count >= ERROR_RESET_COUNT || frameInfo.error == 34) { + if (gFaadCxt->hDecoder) { + NeAACDecClose(gFaadCxt->hDecoder); + gFaadCxt->hDecoder = NULL; + } + gFaadCxt->init_flag = 0; + gFaadCxt->init_start_flag = 0; + } + } +exit: + if (dec_bufsize < 0) { + dec_bufsize = 0; + } + if (gFaadCxt->init_flag == 0) { + gFaadCxt->init_cost += (inlen - dec_bufsize); + } + return inlen - dec_bufsize; +} + + +int audio_dec_release( +#ifndef WIN32 + audio_decoder_operations_t *adec_ops +#endif +) +{ + FaadContext *gFaadCxt = (FaadContext*)adec_ops->pdecoder; + if (gFaadCxt->hDecoder) { + NeAACDecClose(gFaadCxt->hDecoder); + } + if (adec_ops->pdecoder) { + free(adec_ops->pdecoder); + adec_ops->pdecoder = NULL; + } + return 0; +} +#ifndef WIN32 +int audio_dec_getinfo(audio_decoder_operations_t *adec_ops, void *pAudioInfo) +{ + FaadContext *gFaadCxt = (FaadContext*)adec_ops->pdecoder; + NeAACDecStruct* hDecoder = (NeAACDecStruct*)gFaadCxt->hDecoder; + adec_ops->NchOriginal = hDecoder->fr_channels; + ((AudioInfo *)pAudioInfo)->channels = gFaadCxt->gChannels; + ((AudioInfo *)pAudioInfo)->samplerate = gFaadCxt->gSampleRate; + return 0; +} +#endif + + + + diff --git a/audio_codec/libfaad/libaacdec.h b/audio_codec/libfaad/libaacdec.h new file mode 100644 index 0000000..69d6cb0 --- a/dev/null +++ b/audio_codec/libfaad/libaacdec.h @@ -0,0 +1,64 @@ +#ifndef _LIBAACDEC_H_ +#define _LIBAACDEC_H_ + +//header file +#include +#include +#include +#include +#include + +// ffmpeg headers +#include +#include "common.h" +#include "structs.h" + + +#include +#include +#include +#include +#include +#include + +#include "neaacdec.h" +//#include "../../amadec/adec_write.h" +#include "../../amadec/adec-armdec-mgt.h" + + +#define ACODEC_FMT_NULL -1 +#define ACODEC_FMT_MPEG 0 +#define ACODEC_FMT_PCM_S16LE 1 +#define ACODEC_FMT_AAC 2 +#define ACODEC_FMT_AC3 3 +#define ACODEC_FMT_ALAW 4 +#define ACODEC_FMT_MULAW 5 +#define ACODEC_FMT_DTS 6 +#define ACODEC_FMT_PCM_S16BE 7 +#define ACODEC_FMT_FLAC 8 +#define ACODEC_FMT_COOK 9 +#define ACODEC_FMT_PCM_U8 10 +#define ACODEC_FMT_ADPCM 11 +#define ACODEC_FMT_AMR 12 +#define ACODEC_FMT_RAAC 13 +#define ACODEC_FMT_WMA 14 +#define ACODEC_FMT_WMAPRO 15 +#define ACODEC_FMT_PCM_BLURAY 16 +#define ACODEC_FMT_ALAC 17 +#define ACODEC_FMT_VORBIS 18 +#define ACODEC_FMT_AAC_LATM 19 +#define ACODEC_FMT_APE 20 +#define ACODEC_FMT_EAC3 21 +#define ACODEC_FMT_WIFIDISPLAY 22 +//#include +//int main(int argc, char *argv[]); + +//extern audio_decoder_operations_t AudioAacDecoder; +int audio_dec_init(audio_decoder_operations_t *adec_ops); +int audio_dec_decode(audio_decoder_operations_t *adec_ops, char *outbuf, int *outlen, char *inbuf, int inlen); +int audio_dec_release(audio_decoder_operations_t *adec_ops); +int audio_dec_getinfo(audio_decoder_operations_t *adec_ops, void *pAudioInfo); +//void libaacdec(void); +#endif + + diff --git a/audio_codec/libfaad/libfaad2.def b/audio_codec/libfaad/libfaad2.def new file mode 100755 index 0000000..6ae934d --- a/dev/null +++ b/audio_codec/libfaad/libfaad2.def @@ -0,0 +1,14 @@ +LIBRARY libfaad2.dll +EXPORTS +; +; libfaad2 exports +; +NeAACDecOpen @1 +NeAACDecGetCurrentConfiguration @2 +NeAACDecSetConfiguration @3 +NeAACDecInit @4 +NeAACDecInit2 @5 +NeAACDecDecode @6 +NeAACDecClose @7 +NeAACDecGetErrorMessage @8 +NeAACDecAudioSpecificConfig @9 diff --git a/audio_codec/libfaad/lt_predict.c b/audio_codec/libfaad/lt_predict.c new file mode 100644 index 0000000..ed9d5ea --- a/dev/null +++ b/audio_codec/libfaad/lt_predict.c @@ -0,0 +1,205 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: lt_predict.c,v 1.27 2007/11/01 12:33:31 menno Exp $ +**/ + + +#include "common.h" +#include "structs.h" + +#ifdef LTP_DEC + +#include "syntax.h" +#include "lt_predict.h" +#include "filtbank.h" +#include "tns.h" + + +/* static function declarations */ +static int16_t real_to_int16(real_t sig_in); + + +/* check if the object type is an object type that can have LTP */ +uint8_t is_ltp_ot(uint8_t object_type) +{ +#ifdef LTP_DEC + if ((object_type == LTP) +#ifdef ERROR_RESILIENCE + || (object_type == ER_LTP) +#endif +#ifdef LD_DEC + || (object_type == LD) +#endif + ) { + return 1; + } +#endif + + return 0; +} + +ALIGN static const real_t codebook[8] = { + REAL_CONST(0.570829), + REAL_CONST(0.696616), + REAL_CONST(0.813004), + REAL_CONST(0.911304), + REAL_CONST(0.984900), + REAL_CONST(1.067894), + REAL_CONST(1.194601), + REAL_CONST(1.369533) +}; + +void lt_prediction(ic_stream *ics, ltp_info *ltp, real_t *spec, + int16_t *lt_pred_stat, fb_info *fb, uint8_t win_shape, + uint8_t win_shape_prev, uint8_t sr_index, + uint8_t object_type, uint16_t frame_len) +{ + uint8_t sfb; + uint16_t bin, i, num_samples; + ALIGN real_t x_est[2048]; + ALIGN real_t X_est[2048]; + + if (ics->window_sequence != EIGHT_SHORT_SEQUENCE) { + if (ltp->data_present) { + num_samples = frame_len << 1; + + for (i = 0; i < num_samples; i++) { + /* The extra lookback M (N/2 for LD, 0 for LTP) is handled + in the buffer updating */ + +#if 0 + x_est[i] = MUL_R_C(lt_pred_stat[num_samples + i - ltp->lag], + codebook[ltp->coef]); +#else + /* lt_pred_stat is a 16 bit int, multiplied with the fixed point real + this gives a real for x_est + */ + x_est[i] = (real_t)lt_pred_stat[num_samples + i - ltp->lag] * codebook[ltp->coef]; +#endif + } + + filter_bank_ltp(fb, ics->window_sequence, win_shape, win_shape_prev, + x_est, X_est, object_type, frame_len); + + tns_encode_frame(ics, &(ics->tns), sr_index, object_type, X_est, + frame_len); + + for (sfb = 0; sfb < ltp->last_band; sfb++) { + if (ltp->long_used[sfb]) { + uint16_t low = ics->swb_offset[sfb]; + uint16_t high = min(ics->swb_offset[sfb + 1], ics->swb_offset_max); + + for (bin = low; bin < high; bin++) { + spec[bin] += X_est[bin]; + } + } + } + } + } +} + +#ifdef FIXED_POINT +static INLINE int16_t real_to_int16(real_t sig_in) +{ + if (sig_in >= 0) { + sig_in += (1 << (REAL_BITS - 1)); + if (sig_in >= REAL_CONST(32768)) { + return 32767; + } + } else { + sig_in += -(1 << (REAL_BITS - 1)); + if (sig_in <= REAL_CONST(-32768)) { + return -32768; + } + } + + return (sig_in >> REAL_BITS); +} +#else +static INLINE int16_t real_to_int16(real_t sig_in) +{ + if (sig_in >= 0) { +#ifndef HAS_LRINTF + sig_in += 0.5f; +#endif + if (sig_in >= 32768.0f) { + return 32767; + } + } else { +#ifndef HAS_LRINTF + sig_in += -0.5f; +#endif + if (sig_in <= -32768.0f) { + return -32768; + } + } + + return lrintf(sig_in); +} +#endif + +void lt_update_state(int16_t *lt_pred_stat, real_t *time, real_t *overlap, + uint16_t frame_len, uint8_t object_type) +{ + uint16_t i; + + /* + * The reference point for index i and the content of the buffer + * lt_pred_stat are arranged so that lt_pred_stat(0 ... N/2 - 1) contains the + * last aliased half window from the IMDCT, and lt_pred_stat(N/2 ... N-1) + * is always all zeros. The rest of lt_pred_stat (i<0) contains the previous + * fully reconstructed time domain samples, i.e., output of the decoder. + * + * These values are shifted up by N*2 to avoid (i<0) + * + * For the LD object type an extra 512 samples lookback is accomodated here. + */ +#ifdef LD_DEC + if (object_type == LD) { + for (i = 0; i < frame_len; i++) { + lt_pred_stat[i] /* extra 512 */ = lt_pred_stat[i + frame_len]; + lt_pred_stat[frame_len + i] = lt_pred_stat[i + (frame_len * 2)]; + lt_pred_stat[(frame_len * 2) + i] = real_to_int16(time[i]); + lt_pred_stat[(frame_len * 3) + i] = real_to_int16(overlap[i]); + } + } else { +#endif + for (i = 0; i < frame_len; i++) { + lt_pred_stat[i] = lt_pred_stat[i + frame_len]; + lt_pred_stat[frame_len + i] = real_to_int16(time[i]); + lt_pred_stat[(frame_len * 2) + i] = real_to_int16(overlap[i]); +#if 0 /* set to zero once upon initialisation */ + lt_pred_stat[(frame_len * 3) + i] = 0; +#endif + } +#ifdef LD_DEC + } +#endif +} + +#endif diff --git a/audio_codec/libfaad/lt_predict.h b/audio_codec/libfaad/lt_predict.h new file mode 100644 index 0000000..30e392c --- a/dev/null +++ b/audio_codec/libfaad/lt_predict.h @@ -0,0 +1,66 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: lt_predict.h,v 1.20 2007/11/01 12:33:31 menno Exp $ +**/ + +#ifdef LTP_DEC + +#ifndef __LT_PREDICT_H__ +#define __LT_PREDICT_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "filtbank.h" + + uint8_t is_ltp_ot(uint8_t object_type); + + void lt_prediction(ic_stream *ics, + ltp_info *ltp, + real_t *spec, + int16_t *lt_pred_stat, + fb_info *fb, + uint8_t win_shape, + uint8_t win_shape_prev, + uint8_t sr_index, + uint8_t object_type, + uint16_t frame_len); + + void lt_update_state(int16_t *lt_pred_stat, + real_t *time, + real_t *overlap, + uint16_t frame_len, + uint8_t object_type); + +#ifdef __cplusplus +} +#endif +#endif + +#endif diff --git a/audio_codec/libfaad/mdct.c b/audio_codec/libfaad/mdct.c new file mode 100644 index 0000000..71273da --- a/dev/null +++ b/audio_codec/libfaad/mdct.c @@ -0,0 +1,307 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: mdct.c,v 1.47 2007/11/01 12:33:31 menno Exp $ +**/ + +/* + * Fast (I)MDCT Implementation using (I)FFT ((Inverse) Fast Fourier Transform) + * and consists of three steps: pre-(I)FFT complex multiplication, complex + * (I)FFT, post-(I)FFT complex multiplication, + * + * As described in: + * P. Duhamel, Y. Mahieux, and J.P. Petit, "A Fast Algorithm for the + * Implementation of Filter Banks Based on 'Time Domain Aliasing + * Cancellation," IEEE Proc. on ICASSP91, 1991, pp. 2209-2212. + * + * + * As of April 6th 2002 completely rewritten. + * This (I)MDCT can now be used for any data size n, where n is divisible by 8. + * + */ +#include +#include "common.h" +#include "structs.h" + + +#ifdef _WIN32_WCE +#define assert(x) +#else +#include +#endif + +#include "cfft.h" +#include "mdct.h" +#include "mdct_tab.h" + + +mdct_info *faad_mdct_init(uint16_t N) +{ + mdct_info *mdct = (mdct_info*)faad_malloc(sizeof(mdct_info)); + + assert(N % 8 == 0); + + mdct->N = N; + + /* NOTE: For "small framelengths" in FIXED_POINT the coefficients need to be + * scaled by sqrt("(nearest power of 2) > N" / N) */ + + /* RE(mdct->sincos[k]) = scale*(real_t)(cos(2.0*M_PI*(k+1./8.) / (real_t)N)); + * IM(mdct->sincos[k]) = scale*(real_t)(sin(2.0*M_PI*(k+1./8.) / (real_t)N)); */ + /* scale is 1 for fixed point, sqrt(N) for floating point */ + switch (N) { + case 2048: + mdct->sincos = (complex_t*)mdct_tab_2048; + break; + case 256: + mdct->sincos = (complex_t*)mdct_tab_256; + break; +#ifdef LD_DEC + case 1024: + mdct->sincos = (complex_t*)mdct_tab_1024; + break; +#endif +#ifdef ALLOW_SMALL_FRAMELENGTH + case 1920: + mdct->sincos = (complex_t*)mdct_tab_1920; + break; + case 240: + mdct->sincos = (complex_t*)mdct_tab_240; + break; +#ifdef LD_DEC + case 960: + mdct->sincos = (complex_t*)mdct_tab_960; + break; +#endif +#endif +#ifdef SSR_DEC + case 512: + mdct->sincos = (complex_t*)mdct_tab_512; + break; + case 64: + mdct->sincos = (complex_t*)mdct_tab_64; + break; +#endif + } + + /* initialise fft */ + mdct->cfft = cffti(N / 4); + +#ifdef PROFILE + mdct->cycles = 0; + mdct->fft_cycles = 0; +#endif + + return mdct; +} + +void faad_mdct_end(mdct_info *mdct) +{ + if (mdct != NULL) { +#ifdef PROFILE + printf("MDCT[%.4d]: %I64d cycles\n", mdct->N, mdct->cycles); + printf("CFFT[%.4d]: %I64d cycles\n", mdct->N / 4, mdct->fft_cycles); +#endif + + cfftu(mdct->cfft); + + faad_free(mdct); + } +} + +void faad_imdct(mdct_info *mdct, real_t *X_in, real_t *X_out) +{ + uint16_t k; + + complex_t x; +#ifdef ALLOW_SMALL_FRAMELENGTH +#ifdef FIXED_POINT + real_t scale, b_scale = 0; +#endif +#endif + ALIGN complex_t Z1[512]; + complex_t *sincos = mdct->sincos; + + uint16_t N = mdct->N; + uint16_t N2 = N >> 1; + uint16_t N4 = N >> 2; + uint16_t N8 = N >> 3; + +#ifdef PROFILE + int64_t count1, count2 = faad_get_ts(); +#endif + +#ifdef ALLOW_SMALL_FRAMELENGTH +#ifdef FIXED_POINT + /* detect non-power of 2 */ + if (N & (N - 1)) { + /* adjust scale for non-power of 2 MDCT */ + /* 2048/1920 */ + b_scale = 1; + scale = COEF_CONST(1.0666666666666667); + } +#endif +#endif + + /* pre-IFFT complex multiplication */ + for (k = 0; k < N4; k++) { + ComplexMult(&IM(Z1[k]), &RE(Z1[k]), + X_in[2 * k], X_in[N2 - 1 - 2 * k], RE(sincos[k]), IM(sincos[k])); + } + +#ifdef PROFILE + count1 = faad_get_ts(); +#endif + + /* complex IFFT, any non-scaling FFT can be used here */ + cfftb(mdct->cfft, Z1); + +#ifdef PROFILE + count1 = faad_get_ts() - count1; +#endif + + /* post-IFFT complex multiplication */ + for (k = 0; k < N4; k++) { + RE(x) = RE(Z1[k]); + IM(x) = IM(Z1[k]); + ComplexMult(&IM(Z1[k]), &RE(Z1[k]), + IM(x), RE(x), RE(sincos[k]), IM(sincos[k])); + +#ifdef ALLOW_SMALL_FRAMELENGTH +#ifdef FIXED_POINT + /* non-power of 2 MDCT scaling */ + if (b_scale) { + RE(Z1[k]) = MUL_C(RE(Z1[k]), scale); + IM(Z1[k]) = MUL_C(IM(Z1[k]), scale); + } +#endif +#endif + } + + /* reordering */ + for (k = 0; k < N8; k += 2) { + X_out[ 2 * k] = IM(Z1[N8 + k]); + X_out[ 2 + 2 * k] = IM(Z1[N8 + 1 + k]); + + X_out[ 1 + 2 * k] = -RE(Z1[N8 - 1 - k]); + X_out[ 3 + 2 * k] = -RE(Z1[N8 - 2 - k]); + + X_out[N4 + 2 * k] = RE(Z1[ k]); + X_out[N4 + + 2 + 2 * k] = RE(Z1[ 1 + k]); + + X_out[N4 + 1 + 2 * k] = -IM(Z1[N4 - 1 - k]); + X_out[N4 + 3 + 2 * k] = -IM(Z1[N4 - 2 - k]); + + X_out[N2 + 2 * k] = RE(Z1[N8 + k]); + X_out[N2 + + 2 + 2 * k] = RE(Z1[N8 + 1 + k]); + + X_out[N2 + 1 + 2 * k] = -IM(Z1[N8 - 1 - k]); + X_out[N2 + 3 + 2 * k] = -IM(Z1[N8 - 2 - k]); + + X_out[N2 + N4 + 2 * k] = -IM(Z1[ k]); + X_out[N2 + N4 + 2 + 2 * k] = -IM(Z1[ 1 + k]); + + X_out[N2 + N4 + 1 + 2 * k] = RE(Z1[N4 - 1 - k]); + X_out[N2 + N4 + 3 + 2 * k] = RE(Z1[N4 - 2 - k]); + } + +#ifdef PROFILE + count2 = faad_get_ts() - count2; + mdct->fft_cycles += count1; + mdct->cycles += (count2 - count1); +#endif +} + +#ifdef LTP_DEC +void faad_mdct(mdct_info *mdct, real_t *X_in, real_t *X_out) +{ + uint16_t k; + + complex_t x; + ALIGN complex_t Z1[512]; + complex_t *sincos = mdct->sincos; + + uint16_t N = mdct->N; + uint16_t N2 = N >> 1; + uint16_t N4 = N >> 2; + uint16_t N8 = N >> 3; + +#ifndef FIXED_POINT + real_t scale = REAL_CONST(N); +#else + real_t scale = REAL_CONST(4.0 / N); +#endif + +#ifdef ALLOW_SMALL_FRAMELENGTH +#ifdef FIXED_POINT + /* detect non-power of 2 */ + if (N & (N - 1)) { + /* adjust scale for non-power of 2 MDCT */ + /* *= sqrt(2048/1920) */ + scale = MUL_C(scale, COEF_CONST(1.0327955589886444)); + } +#endif +#endif + + /* pre-FFT complex multiplication */ + for (k = 0; k < N8; k++) { + uint16_t n = k << 1; + RE(x) = X_in[N - N4 - 1 - n] + X_in[N - N4 + n]; + IM(x) = X_in[ N4 + n] - X_in[ N4 - 1 - n]; + + ComplexMult(&RE(Z1[k]), &IM(Z1[k]), + RE(x), IM(x), RE(sincos[k]), IM(sincos[k])); + + RE(Z1[k]) = MUL_R(RE(Z1[k]), scale); + IM(Z1[k]) = MUL_R(IM(Z1[k]), scale); + + RE(x) = X_in[N2 - 1 - n] - X_in[ n]; + IM(x) = X_in[N2 + n] + X_in[N - 1 - n]; + + ComplexMult(&RE(Z1[k + N8]), &IM(Z1[k + N8]), + RE(x), IM(x), RE(sincos[k + N8]), IM(sincos[k + N8])); + + RE(Z1[k + N8]) = MUL_R(RE(Z1[k + N8]), scale); + IM(Z1[k + N8]) = MUL_R(IM(Z1[k + N8]), scale); + } + + /* complex FFT, any non-scaling FFT can be used here */ + cfftf(mdct->cfft, Z1); + + /* post-FFT complex multiplication */ + for (k = 0; k < N4; k++) { + uint16_t n = k << 1; + ComplexMult(&RE(x), &IM(x), + RE(Z1[k]), IM(Z1[k]), RE(sincos[k]), IM(sincos[k])); + + X_out[ n] = -RE(x); + X_out[N2 - 1 - n] = IM(x); + X_out[N2 + n] = -IM(x); + X_out[N - 1 - n] = RE(x); + } +} +#endif diff --git a/audio_codec/libfaad/mdct.h b/audio_codec/libfaad/mdct.h new file mode 100644 index 0000000..70aa910 --- a/dev/null +++ b/audio_codec/libfaad/mdct.h @@ -0,0 +1,48 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: mdct.h,v 1.30 2007/11/01 12:33:31 menno Exp $ +**/ + +#ifndef __MDCT_H__ +#define __MDCT_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + + mdct_info *faad_mdct_init(uint16_t N); + void faad_mdct_end(mdct_info *mdct); + void faad_imdct(mdct_info *mdct, real_t *X_in, real_t *X_out); + void faad_mdct(mdct_info *mdct, real_t *X_in, real_t *X_out); + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/mdct_tab.h b/audio_codec/libfaad/mdct_tab.h new file mode 100644 index 0000000..de5a9d5 --- a/dev/null +++ b/audio_codec/libfaad/mdct_tab.h @@ -0,0 +1,3639 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: mdct_tab.h,v 1.7 2007/11/01 12:33:32 menno Exp $ +**/ + +#ifndef __MDCT_TAB_H__ +#define __MDCT_TAB_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef FIXED_POINT + + /* 256 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_2048[] = { + { FRAC_CONST(0.999999926465718), FRAC_CONST(0.000383495187571) }, + { FRAC_CONST(0.999994043728986), FRAC_CONST(0.003451449920136) }, + { FRAC_CONST(0.999978748667469), FRAC_CONST(0.006519372166339) }, + { FRAC_CONST(0.999954041425130), FRAC_CONST(0.009587233049729) }, + { FRAC_CONST(0.999919922234523), FRAC_CONST(0.012655003694430) }, + { FRAC_CONST(0.999876391416790), FRAC_CONST(0.015722655225417) }, + { FRAC_CONST(0.999823449381662), FRAC_CONST(0.018790158768785) }, + { FRAC_CONST(0.999761096627447), FRAC_CONST(0.021857485452022) }, + { FRAC_CONST(0.999689333741034), FRAC_CONST(0.024924606404281) }, + { FRAC_CONST(0.999608161397882), FRAC_CONST(0.027991492756653) }, + { FRAC_CONST(0.999517580362017), FRAC_CONST(0.031058115642435) }, + { FRAC_CONST(0.999417591486022), FRAC_CONST(0.034124446197403) }, + { FRAC_CONST(0.999308195711029), FRAC_CONST(0.037190455560088) }, + { FRAC_CONST(0.999189394066715), FRAC_CONST(0.040256114872041) }, + { FRAC_CONST(0.999061187671285), FRAC_CONST(0.043321395278110) }, + { FRAC_CONST(0.998923577731466), FRAC_CONST(0.046386267926707) }, + { FRAC_CONST(0.998776565542496), FRAC_CONST(0.049450703970085) }, + { FRAC_CONST(0.998620152488109), FRAC_CONST(0.052514674564603) }, + { FRAC_CONST(0.998454340040525), FRAC_CONST(0.055578150871005) }, + { FRAC_CONST(0.998279129760433), FRAC_CONST(0.058641104054683) }, + { FRAC_CONST(0.998094523296980), FRAC_CONST(0.061703505285957) }, + { FRAC_CONST(0.997900522387752), FRAC_CONST(0.064765325740340) }, + { FRAC_CONST(0.997697128858759), FRAC_CONST(0.067826536598811) }, + { FRAC_CONST(0.997484344624418), FRAC_CONST(0.070887109048088) }, + { FRAC_CONST(0.997262171687536), FRAC_CONST(0.073947014280897) }, + { FRAC_CONST(0.997030612139289), FRAC_CONST(0.077006223496246) }, + { FRAC_CONST(0.996789668159205), FRAC_CONST(0.080064707899691) }, + { FRAC_CONST(0.996539342015138), FRAC_CONST(0.083122438703613) }, + { FRAC_CONST(0.996279636063255), FRAC_CONST(0.086179387127485) }, + { FRAC_CONST(0.996010552748006), FRAC_CONST(0.089235524398144) }, + { FRAC_CONST(0.995732094602106), FRAC_CONST(0.092290821750062) }, + { FRAC_CONST(0.995444264246510), FRAC_CONST(0.095345250425618) }, + { FRAC_CONST(0.995147064390386), FRAC_CONST(0.098398781675364) }, + { FRAC_CONST(0.994840497831093), FRAC_CONST(0.101451386758302) }, + { FRAC_CONST(0.994524567454152), FRAC_CONST(0.104503036942151) }, + { FRAC_CONST(0.994199276233219), FRAC_CONST(0.107553703503616) }, + { FRAC_CONST(0.993864627230060), FRAC_CONST(0.110603357728662) }, + { FRAC_CONST(0.993520623594518), FRAC_CONST(0.113651970912782) }, + { FRAC_CONST(0.993167268564487), FRAC_CONST(0.116699514361268) }, + { FRAC_CONST(0.992804565465879), FRAC_CONST(0.119745959389480) }, + { FRAC_CONST(0.992432517712594), FRAC_CONST(0.122791277323117) }, + { FRAC_CONST(0.992051128806486), FRAC_CONST(0.125835439498487) }, + { FRAC_CONST(0.991660402337333), FRAC_CONST(0.128878417262777) }, + { FRAC_CONST(0.991260341982802), FRAC_CONST(0.131920181974320) }, + { FRAC_CONST(0.990850951508414), FRAC_CONST(0.134960705002869) }, + { FRAC_CONST(0.990432234767506), FRAC_CONST(0.137999957729863) }, + { FRAC_CONST(0.990004195701201), FRAC_CONST(0.141037911548698) }, + { FRAC_CONST(0.989566838338365), FRAC_CONST(0.144074537864995) }, + { FRAC_CONST(0.989120166795573), FRAC_CONST(0.147109808096872) }, + { FRAC_CONST(0.988664185277066), FRAC_CONST(0.150143693675208) }, + { FRAC_CONST(0.988198898074718), FRAC_CONST(0.153176166043918) }, + { FRAC_CONST(0.987724309567987), FRAC_CONST(0.156207196660216) }, + { FRAC_CONST(0.987240424223882), FRAC_CONST(0.159236756994888) }, + { FRAC_CONST(0.986747246596917), FRAC_CONST(0.162264818532558) }, + { FRAC_CONST(0.986244781329065), FRAC_CONST(0.165291352771958) }, + { FRAC_CONST(0.985733033149723), FRAC_CONST(0.168316331226195) }, + { FRAC_CONST(0.985212006875659), FRAC_CONST(0.171339725423019) }, + { FRAC_CONST(0.984681707410971), FRAC_CONST(0.174361506905094) }, + { FRAC_CONST(0.984142139747039), FRAC_CONST(0.177381647230260) }, + { FRAC_CONST(0.983593308962479), FRAC_CONST(0.180400117971807) }, + { FRAC_CONST(0.983035220223096), FRAC_CONST(0.183416890718739) }, + { FRAC_CONST(0.982467878781833), FRAC_CONST(0.186431937076042) }, + { FRAC_CONST(0.981891289978725), FRAC_CONST(0.189445228664950) }, + { FRAC_CONST(0.981305459240845), FRAC_CONST(0.192456737123217) }, + { FRAC_CONST(0.980710392082254), FRAC_CONST(0.195466434105377) }, + { FRAC_CONST(0.980106094103952), FRAC_CONST(0.198474291283016) }, + { FRAC_CONST(0.979492570993821), FRAC_CONST(0.201480280345038) }, + { FRAC_CONST(0.978869828526574), FRAC_CONST(0.204484372997927) }, + { FRAC_CONST(0.978237872563701), FRAC_CONST(0.207486540966021) }, + { FRAC_CONST(0.977596709053412), FRAC_CONST(0.210486755991770) }, + { FRAC_CONST(0.976946344030582), FRAC_CONST(0.213484989836008) }, + { FRAC_CONST(0.976286783616694), FRAC_CONST(0.216481214278217) }, + { FRAC_CONST(0.975618034019782), FRAC_CONST(0.219475401116790) }, + { FRAC_CONST(0.974940101534372), FRAC_CONST(0.222467522169302) }, + { FRAC_CONST(0.974252992541423), FRAC_CONST(0.225457549272769) }, + { FRAC_CONST(0.973556713508266), FRAC_CONST(0.228445454283916) }, + { FRAC_CONST(0.972851270988544), FRAC_CONST(0.231431209079446) }, + { FRAC_CONST(0.972136671622152), FRAC_CONST(0.234414785556295) }, + { FRAC_CONST(0.971412922135171), FRAC_CONST(0.237396155631907) }, + { FRAC_CONST(0.970680029339806), FRAC_CONST(0.240375291244489) }, + { FRAC_CONST(0.969938000134324), FRAC_CONST(0.243352164353285) }, + { FRAC_CONST(0.969186841502986), FRAC_CONST(0.246326746938829) }, + { FRAC_CONST(0.968426560515983), FRAC_CONST(0.249299011003218) }, + { FRAC_CONST(0.967657164329370), FRAC_CONST(0.252268928570371) }, + { FRAC_CONST(0.966878660184996), FRAC_CONST(0.255236471686292) }, + { FRAC_CONST(0.966091055410439), FRAC_CONST(0.258201612419335) }, + { FRAC_CONST(0.965294357418935), FRAC_CONST(0.261164322860466) }, + { FRAC_CONST(0.964488573709308), FRAC_CONST(0.264124575123528) }, + { FRAC_CONST(0.963673711865903), FRAC_CONST(0.267082341345496) }, + { FRAC_CONST(0.962849779558509), FRAC_CONST(0.270037593686751) }, + { FRAC_CONST(0.962016784542291), FRAC_CONST(0.272990304331330) }, + { FRAC_CONST(0.961174734657714), FRAC_CONST(0.275940445487197) }, + { FRAC_CONST(0.960323637830474), FRAC_CONST(0.278887989386500) }, + { FRAC_CONST(0.959463502071418), FRAC_CONST(0.281832908285833) }, + { FRAC_CONST(0.958594335476470), FRAC_CONST(0.284775174466498) }, + { FRAC_CONST(0.957716146226559), FRAC_CONST(0.287714760234765) }, + { FRAC_CONST(0.956828942587535), FRAC_CONST(0.290651637922133) }, + { FRAC_CONST(0.955932732910098), FRAC_CONST(0.293585779885591) }, + { FRAC_CONST(0.955027525629714), FRAC_CONST(0.296517158507877) }, + { FRAC_CONST(0.954113329266539), FRAC_CONST(0.299445746197740) }, + { FRAC_CONST(0.953190152425337), FRAC_CONST(0.302371515390196) }, + { FRAC_CONST(0.952258003795400), FRAC_CONST(0.305294438546792) }, + { FRAC_CONST(0.951316892150466), FRAC_CONST(0.308214488155861) }, + { FRAC_CONST(0.950366826348636), FRAC_CONST(0.311131636732785) }, + { FRAC_CONST(0.949407815332292), FRAC_CONST(0.314045856820251) }, + { FRAC_CONST(0.948439868128010), FRAC_CONST(0.316957120988508) }, + { FRAC_CONST(0.947462993846478), FRAC_CONST(0.319865401835631) }, + { FRAC_CONST(0.946477201682409), FRAC_CONST(0.322770671987771) }, + { FRAC_CONST(0.945482500914454), FRAC_CONST(0.325672904099420) }, + { FRAC_CONST(0.944478900905116), FRAC_CONST(0.328572070853664) }, + { FRAC_CONST(0.943466411100659), FRAC_CONST(0.331468144962441) }, + { FRAC_CONST(0.942445041031025), FRAC_CONST(0.334361099166799) }, + { FRAC_CONST(0.941414800309736), FRAC_CONST(0.337250906237151) }, + { FRAC_CONST(0.940375698633812), FRAC_CONST(0.340137538973532) }, + { FRAC_CONST(0.939327745783671), FRAC_CONST(0.343020970205856) }, + { FRAC_CONST(0.938270951623047), FRAC_CONST(0.345901172794169) }, + { FRAC_CONST(0.937205326098888), FRAC_CONST(0.348778119628908) }, + { FRAC_CONST(0.936130879241267), FRAC_CONST(0.351651783631155) }, + { FRAC_CONST(0.935047621163287), FRAC_CONST(0.354522137752887) }, + { FRAC_CONST(0.933955562060987), FRAC_CONST(0.357389154977241) }, + { FRAC_CONST(0.932854712213241), FRAC_CONST(0.360252808318757) }, + { FRAC_CONST(0.931745081981669), FRAC_CONST(0.363113070823639) }, + { FRAC_CONST(0.930626681810532), FRAC_CONST(0.365969915570009) }, + { FRAC_CONST(0.929499522226639), FRAC_CONST(0.368823315668154) }, + { FRAC_CONST(0.928363613839244), FRAC_CONST(0.371673244260787) }, + { FRAC_CONST(0.927218967339952), FRAC_CONST(0.374519674523293) }, + { FRAC_CONST(0.926065593502609), FRAC_CONST(0.377362579663988) }, + { FRAC_CONST(0.924903503183211), FRAC_CONST(0.380201932924366) }, + { FRAC_CONST(0.923732707319793), FRAC_CONST(0.383037707579352) }, + { FRAC_CONST(0.922553216932333), FRAC_CONST(0.385869876937555) }, + { FRAC_CONST(0.921365043122642), FRAC_CONST(0.388698414341519) }, + { FRAC_CONST(0.920168197074266), FRAC_CONST(0.391523293167972) }, + { FRAC_CONST(0.918962690052376), FRAC_CONST(0.394344486828080) }, + { FRAC_CONST(0.917748533403661), FRAC_CONST(0.397161968767692) }, + { FRAC_CONST(0.916525738556228), FRAC_CONST(0.399975712467595) }, + { FRAC_CONST(0.915294317019487), FRAC_CONST(0.402785691443764) }, + { FRAC_CONST(0.914054280384047), FRAC_CONST(0.405591879247604) }, + { FRAC_CONST(0.912805640321604), FRAC_CONST(0.408394249466208) }, + { FRAC_CONST(0.911548408584834), FRAC_CONST(0.411192775722600) }, + { FRAC_CONST(0.910282597007282), FRAC_CONST(0.413987431675985) }, + { FRAC_CONST(0.909008217503247), FRAC_CONST(0.416778191021998) }, + { FRAC_CONST(0.907725282067676), FRAC_CONST(0.419565027492947) }, + { FRAC_CONST(0.906433802776045), FRAC_CONST(0.422347914858067) }, + { FRAC_CONST(0.905133791784250), FRAC_CONST(0.425126826923762) }, + { FRAC_CONST(0.903825261328488), FRAC_CONST(0.427901737533854) }, + { FRAC_CONST(0.902508223725146), FRAC_CONST(0.430672620569827) }, + { FRAC_CONST(0.901182691370685), FRAC_CONST(0.433439449951074) }, + { FRAC_CONST(0.899848676741519), FRAC_CONST(0.436202199635144) }, + { FRAC_CONST(0.898506192393902), FRAC_CONST(0.438960843617984) }, + { FRAC_CONST(0.897155250963809), FRAC_CONST(0.441715355934187) }, + { FRAC_CONST(0.895795865166814), FRAC_CONST(0.444465710657234) }, + { FRAC_CONST(0.894428047797974), FRAC_CONST(0.447211881899738) }, + { FRAC_CONST(0.893051811731707), FRAC_CONST(0.449953843813691) }, + { FRAC_CONST(0.891667169921672), FRAC_CONST(0.452691570590701) }, + { FRAC_CONST(0.890274135400645), FRAC_CONST(0.455425036462242) }, + { FRAC_CONST(0.888872721280396), FRAC_CONST(0.458154215699893) }, + { FRAC_CONST(0.887462940751569), FRAC_CONST(0.460879082615579) }, + { FRAC_CONST(0.886044807083556), FRAC_CONST(0.463599611561814) }, + { FRAC_CONST(0.884618333624370), FRAC_CONST(0.466315776931944) }, + { FRAC_CONST(0.883183533800523), FRAC_CONST(0.469027553160387) }, + { FRAC_CONST(0.881740421116898), FRAC_CONST(0.471734914722871) }, + { FRAC_CONST(0.880289009156621), FRAC_CONST(0.474437836136679) }, + { FRAC_CONST(0.878829311580933), FRAC_CONST(0.477136291960885) }, + { FRAC_CONST(0.877361342129065), FRAC_CONST(0.479830256796594) }, + { FRAC_CONST(0.875885114618104), FRAC_CONST(0.482519705287184) }, + { FRAC_CONST(0.874400642942865), FRAC_CONST(0.485204612118542) }, + { FRAC_CONST(0.872907941075761), FRAC_CONST(0.487884952019301) }, + { FRAC_CONST(0.871407023066671), FRAC_CONST(0.490560699761082) }, + { FRAC_CONST(0.869897903042806), FRAC_CONST(0.493231830158728) }, + { FRAC_CONST(0.868380595208580), FRAC_CONST(0.495898318070542) }, + { FRAC_CONST(0.866855113845470), FRAC_CONST(0.498560138398525) }, + { FRAC_CONST(0.865321473311890), FRAC_CONST(0.501217266088610) }, + { FRAC_CONST(0.863779688043047), FRAC_CONST(0.503869676130899) }, + { FRAC_CONST(0.862229772550811), FRAC_CONST(0.506517343559899) }, + { FRAC_CONST(0.860671741423578), FRAC_CONST(0.509160243454755) }, + { FRAC_CONST(0.859105609326130), FRAC_CONST(0.511798350939487) }, + { FRAC_CONST(0.857531390999499), FRAC_CONST(0.514431641183223) }, + { FRAC_CONST(0.855949101260827), FRAC_CONST(0.517060089400432) }, + { FRAC_CONST(0.854358755003227), FRAC_CONST(0.519683670851158) }, + { FRAC_CONST(0.852760367195645), FRAC_CONST(0.522302360841255) }, + { FRAC_CONST(0.851153952882715), FRAC_CONST(0.524916134722613) }, + { FRAC_CONST(0.849539527184621), FRAC_CONST(0.527524967893398) }, + { FRAC_CONST(0.847917105296951), FRAC_CONST(0.530128835798279) }, + { FRAC_CONST(0.846286702490560), FRAC_CONST(0.532727713928659) }, + { FRAC_CONST(0.844648334111418), FRAC_CONST(0.535321577822907) }, + { FRAC_CONST(0.843002015580473), FRAC_CONST(0.537910403066589) }, + { FRAC_CONST(0.841347762393502), FRAC_CONST(0.540494165292695) }, + { FRAC_CONST(0.839685590120966), FRAC_CONST(0.543072840181872) }, + { FRAC_CONST(0.838015514407864), FRAC_CONST(0.545646403462649) }, + { FRAC_CONST(0.836337550973584), FRAC_CONST(0.548214830911668) }, + { FRAC_CONST(0.834651715611756), FRAC_CONST(0.550778098353912) }, + { FRAC_CONST(0.832958024190107), FRAC_CONST(0.553336181662932) }, + { FRAC_CONST(0.831256492650303), FRAC_CONST(0.555889056761074) }, + { FRAC_CONST(0.829547137007809), FRAC_CONST(0.558436699619704) }, + { FRAC_CONST(0.827829973351730), FRAC_CONST(0.560979086259438) }, + { FRAC_CONST(0.826105017844665), FRAC_CONST(0.563516192750365) }, + { FRAC_CONST(0.824372286722551), FRAC_CONST(0.566047995212271) }, + { FRAC_CONST(0.822631796294515), FRAC_CONST(0.568574469814869) }, + { FRAC_CONST(0.820883562942715), FRAC_CONST(0.571095592778017) }, + { FRAC_CONST(0.819127603122188), FRAC_CONST(0.573611340371945) }, + { FRAC_CONST(0.817363933360698), FRAC_CONST(0.576121688917478) }, + { FRAC_CONST(0.815592570258577), FRAC_CONST(0.578626614786261) }, + { FRAC_CONST(0.813813530488567), FRAC_CONST(0.581126094400978) }, + { FRAC_CONST(0.812026830795670), FRAC_CONST(0.583620104235573) }, + { FRAC_CONST(0.810232487996982), FRAC_CONST(0.586108620815476) }, + { FRAC_CONST(0.808430518981543), FRAC_CONST(0.588591620717823) }, + { FRAC_CONST(0.806620940710170), FRAC_CONST(0.591069080571671) }, + { FRAC_CONST(0.804803770215303), FRAC_CONST(0.593540977058226) }, + { FRAC_CONST(0.802979024600843), FRAC_CONST(0.596007286911057) }, + { FRAC_CONST(0.801146721041991), FRAC_CONST(0.598467986916314) }, + { FRAC_CONST(0.799306876785086), FRAC_CONST(0.600923053912954) }, + { FRAC_CONST(0.797459509147442), FRAC_CONST(0.603372464792950) }, + { FRAC_CONST(0.795604635517188), FRAC_CONST(0.605816196501515) }, + { FRAC_CONST(0.793742273353100), FRAC_CONST(0.608254226037314) }, + { FRAC_CONST(0.791872440184440), FRAC_CONST(0.610686530452686) }, + { FRAC_CONST(0.789995153610791), FRAC_CONST(0.613113086853855) }, + { FRAC_CONST(0.788110431301888), FRAC_CONST(0.615533872401147) }, + { FRAC_CONST(0.786218290997456), FRAC_CONST(0.617948864309208) }, + { FRAC_CONST(0.784318750507039), FRAC_CONST(0.620358039847214) }, + { FRAC_CONST(0.782411827709837), FRAC_CONST(0.622761376339086) }, + { FRAC_CONST(0.780497540554532), FRAC_CONST(0.625158851163708) }, + { FRAC_CONST(0.778575907059125), FRAC_CONST(0.627550441755132) }, + { FRAC_CONST(0.776646945310762), FRAC_CONST(0.629936125602796) }, + { FRAC_CONST(0.774710673465566), FRAC_CONST(0.632315880251738) }, + { FRAC_CONST(0.772767109748464), FRAC_CONST(0.634689683302798) }, + { FRAC_CONST(0.770816272453019), FRAC_CONST(0.637057512412839) }, + { FRAC_CONST(0.768858179941253), FRAC_CONST(0.639419345294951) }, + { FRAC_CONST(0.766892850643481), FRAC_CONST(0.641775159718664) }, + { FRAC_CONST(0.764920303058128), FRAC_CONST(0.644124933510155) }, + { FRAC_CONST(0.762940555751566), FRAC_CONST(0.646468644552458) }, + { FRAC_CONST(0.760953627357928), FRAC_CONST(0.648806270785673) }, + { FRAC_CONST(0.758959536578942), FRAC_CONST(0.651137790207170) }, + { FRAC_CONST(0.756958302183750), FRAC_CONST(0.653463180871802) }, + { FRAC_CONST(0.754949943008733), FRAC_CONST(0.655782420892106) }, + { FRAC_CONST(0.752934477957330), FRAC_CONST(0.658095488438511) }, + { FRAC_CONST(0.750911925999868), FRAC_CONST(0.660402361739545) }, + { FRAC_CONST(0.748882306173375), FRAC_CONST(0.662703019082037) }, + { FRAC_CONST(0.746845637581407), FRAC_CONST(0.664997438811325) }, + { FRAC_CONST(0.744801939393863), FRAC_CONST(0.667285599331456) }, + { FRAC_CONST(0.742751230846809), FRAC_CONST(0.669567479105392) }, + { FRAC_CONST(0.740693531242296), FRAC_CONST(0.671843056655212) }, + { FRAC_CONST(0.738628859948175), FRAC_CONST(0.674112310562312) }, + { FRAC_CONST(0.736557236397919), FRAC_CONST(0.676375219467612) }, + { FRAC_CONST(0.734478680090438), FRAC_CONST(0.678631762071749) }, + { FRAC_CONST(0.732393210589896), FRAC_CONST(0.680881917135287) }, + { FRAC_CONST(0.730300847525525), FRAC_CONST(0.683125663478909) }, + { FRAC_CONST(0.728201610591445), FRAC_CONST(0.685362979983619) }, + { FRAC_CONST(0.726095519546471), FRAC_CONST(0.687593845590942) }, + { FRAC_CONST(0.723982594213936), FRAC_CONST(0.689818239303122) }, + { FRAC_CONST(0.721862854481496), FRAC_CONST(0.692036140183319) }, + { FRAC_CONST(0.719736320300951), FRAC_CONST(0.694247527355803) }, + { FRAC_CONST(0.717603011688049), FRAC_CONST(0.696452380006158) }, + { FRAC_CONST(0.715462948722304), FRAC_CONST(0.698650677381469) }, + { FRAC_CONST(0.713316151546803), FRAC_CONST(0.700842398790526) }, + { FRAC_CONST(0.711162640368018), FRAC_CONST(0.703027523604011) }, + { FRAC_CONST(0.709002435455618), FRAC_CONST(0.705206031254698) }, + { FRAC_CONST(0.706835557142274), FRAC_CONST(0.707377901237642) }, + { FRAC_CONST(0.704662025823469), FRAC_CONST(0.709543113110377) }, + { FRAC_CONST(0.702481861957308), FRAC_CONST(0.711701646493103) }, + { FRAC_CONST(0.700295086064324), FRAC_CONST(0.713853481068882) }, + { FRAC_CONST(0.698101718727284), FRAC_CONST(0.715998596583829) }, + { FRAC_CONST(0.695901780590997), FRAC_CONST(0.718136972847297) }, + { FRAC_CONST(0.693695292362118), FRAC_CONST(0.720268589732077) }, + { FRAC_CONST(0.691482274808956), FRAC_CONST(0.722393427174578) }, + { FRAC_CONST(0.689262748761273), FRAC_CONST(0.724511465175020) }, + { FRAC_CONST(0.687036735110096), FRAC_CONST(0.726622683797623) }, + { FRAC_CONST(0.684804254807511), FRAC_CONST(0.728727063170794) }, + { FRAC_CONST(0.682565328866473), FRAC_CONST(0.730824583487312) }, + { FRAC_CONST(0.680319978360607), FRAC_CONST(0.732915225004518) }, + { FRAC_CONST(0.678068224424007), FRAC_CONST(0.734998968044497) }, + { FRAC_CONST(0.675810088251037), FRAC_CONST(0.737075792994266) }, + { FRAC_CONST(0.673545591096136), FRAC_CONST(0.739145680305957) }, + { FRAC_CONST(0.671274754273613), FRAC_CONST(0.741208610497004) }, + { FRAC_CONST(0.668997599157450), FRAC_CONST(0.743264564150321) }, + { FRAC_CONST(0.666714147181098), FRAC_CONST(0.745313521914490) }, + { FRAC_CONST(0.664424419837275), FRAC_CONST(0.747355464503940) }, + { FRAC_CONST(0.662128438677769), FRAC_CONST(0.749390372699130) }, + { FRAC_CONST(0.659826225313227), FRAC_CONST(0.751418227346727) }, + { FRAC_CONST(0.657517801412960), FRAC_CONST(0.753439009359794) }, + { FRAC_CONST(0.655203188704732), FRAC_CONST(0.755452699717958) }, + { FRAC_CONST(0.652882408974559), FRAC_CONST(0.757459279467601) }, + { FRAC_CONST(0.650555484066504), FRAC_CONST(0.759458729722028) }, + { FRAC_CONST(0.648222435882470), FRAC_CONST(0.761451031661654) }, + { FRAC_CONST(0.645883286381996), FRAC_CONST(0.763436166534172) }, + { FRAC_CONST(0.643538057582048), FRAC_CONST(0.765414115654738) }, + { FRAC_CONST(0.641186771556811), FRAC_CONST(0.767384860406142) }, + { FRAC_CONST(0.638829450437486), FRAC_CONST(0.769348382238982) }, + { FRAC_CONST(0.636466116412077), FRAC_CONST(0.771304662671845) }, + { FRAC_CONST(0.634096791725184), FRAC_CONST(0.773253683291473) }, + { FRAC_CONST(0.631721498677792), FRAC_CONST(0.775195425752941) }, + { FRAC_CONST(0.629340259627066), FRAC_CONST(0.777129871779832) }, + { FRAC_CONST(0.626953096986133), FRAC_CONST(0.779057003164401) }, + { FRAC_CONST(0.624560033223877), FRAC_CONST(0.780976801767754) }, + { FRAC_CONST(0.622161090864727), FRAC_CONST(0.782889249520015) }, + { FRAC_CONST(0.619756292488441), FRAC_CONST(0.784794328420499) }, + { FRAC_CONST(0.617345660729897), FRAC_CONST(0.786692020537877) }, + { FRAC_CONST(0.614929218278880), FRAC_CONST(0.788582308010347) }, + { FRAC_CONST(0.612506987879866), FRAC_CONST(0.790465173045805) }, + { FRAC_CONST(0.610078992331810), FRAC_CONST(0.792340597922007) }, + { FRAC_CONST(0.607645254487931), FRAC_CONST(0.794208564986741) }, + { FRAC_CONST(0.605205797255497), FRAC_CONST(0.796069056657988) }, + { FRAC_CONST(0.602760643595607), FRAC_CONST(0.797922055424093) }, + { FRAC_CONST(0.600309816522980), FRAC_CONST(0.799767543843926) }, + { FRAC_CONST(0.597853339105734), FRAC_CONST(0.801605504547046) }, + { FRAC_CONST(0.595391234465169), FRAC_CONST(0.803435920233868) }, + { FRAC_CONST(0.592923525775551), FRAC_CONST(0.805258773675822) }, + { FRAC_CONST(0.590450236263896), FRAC_CONST(0.807074047715518) }, + { FRAC_CONST(0.587971389209745), FRAC_CONST(0.808881725266904) }, + { FRAC_CONST(0.585487007944951), FRAC_CONST(0.810681789315431) }, + { FRAC_CONST(0.582997115853458), FRAC_CONST(0.812474222918210) }, + { FRAC_CONST(0.580501736371077), FRAC_CONST(0.814259009204175) }, + { FRAC_CONST(0.578000892985270), FRAC_CONST(0.816036131374237) }, + { FRAC_CONST(0.575494609234928), FRAC_CONST(0.817805572701444) }, + { FRAC_CONST(0.572982908710149), FRAC_CONST(0.819567316531142) }, + { FRAC_CONST(0.570465815052013), FRAC_CONST(0.821321346281127) }, + { FRAC_CONST(0.567943351952366), FRAC_CONST(0.823067645441802) }, + { FRAC_CONST(0.565415543153590), FRAC_CONST(0.824806197576334) }, + { FRAC_CONST(0.562882412448385), FRAC_CONST(0.826536986320810) }, + { FRAC_CONST(0.560343983679541), FRAC_CONST(0.828259995384386) }, + { FRAC_CONST(0.557800280739717), FRAC_CONST(0.829975208549444) }, + { FRAC_CONST(0.555251327571214), FRAC_CONST(0.831682609671745) }, + { FRAC_CONST(0.552697148165750), FRAC_CONST(0.833382182680580) }, + { FRAC_CONST(0.550137766564234), FRAC_CONST(0.835073911578919) }, + { FRAC_CONST(0.547573206856540), FRAC_CONST(0.836757780443567) }, + { FRAC_CONST(0.545003493181281), FRAC_CONST(0.838433773425308) }, + { FRAC_CONST(0.542428649725581), FRAC_CONST(0.840101874749058) }, + { FRAC_CONST(0.539848700724848), FRAC_CONST(0.841762068714012) }, + { FRAC_CONST(0.537263670462543), FRAC_CONST(0.843414339693793) }, + { FRAC_CONST(0.534673583269956), FRAC_CONST(0.845058672136595) }, + { FRAC_CONST(0.532078463525974), FRAC_CONST(0.846695050565337) }, + { FRAC_CONST(0.529478335656852), FRAC_CONST(0.848323459577802) }, + { FRAC_CONST(0.526873224135985), FRAC_CONST(0.849943883846782) }, + { FRAC_CONST(0.524263153483673), FRAC_CONST(0.851556308120229) }, + { FRAC_CONST(0.521648148266897), FRAC_CONST(0.853160717221390) }, + { FRAC_CONST(0.519028233099081), FRAC_CONST(0.854757096048957) }, + { FRAC_CONST(0.516403432639864), FRAC_CONST(0.856345429577204) }, + { FRAC_CONST(0.513773771594868), FRAC_CONST(0.857925702856130) }, + { FRAC_CONST(0.511139274715464), FRAC_CONST(0.859497901011602) }, + { FRAC_CONST(0.508499966798541), FRAC_CONST(0.861062009245491) }, + { FRAC_CONST(0.505855872686269), FRAC_CONST(0.862618012835817) }, + { FRAC_CONST(0.503207017265869), FRAC_CONST(0.864165897136879) }, + { FRAC_CONST(0.500553425469378), FRAC_CONST(0.865705647579402) }, + { FRAC_CONST(0.497895122273411), FRAC_CONST(0.867237249670668) }, + { FRAC_CONST(0.495232132698931), FRAC_CONST(0.868760688994655) }, + { FRAC_CONST(0.492564481811011), FRAC_CONST(0.870275951212172) }, + { FRAC_CONST(0.489892194718595), FRAC_CONST(0.871783022060993) }, + { FRAC_CONST(0.487215296574269), FRAC_CONST(0.873281887355994) }, + { FRAC_CONST(0.484533812574016), FRAC_CONST(0.874772532989284) }, + { FRAC_CONST(0.481847767956986), FRAC_CONST(0.876254944930338) }, + { FRAC_CONST(0.479157188005253), FRAC_CONST(0.877729109226132) }, + { FRAC_CONST(0.476462098043581), FRAC_CONST(0.879195012001267) }, + { FRAC_CONST(0.473762523439183), FRAC_CONST(0.880652639458111) }, + { FRAC_CONST(0.471058489601483), FRAC_CONST(0.882101977876918) }, + { FRAC_CONST(0.468350021981877), FRAC_CONST(0.883543013615962) }, + { FRAC_CONST(0.465637146073494), FRAC_CONST(0.884975733111667) }, + { FRAC_CONST(0.462919887410955), FRAC_CONST(0.886400122878730) }, + { FRAC_CONST(0.460198271570134), FRAC_CONST(0.887816169510255) }, + { FRAC_CONST(0.457472324167916), FRAC_CONST(0.889223859677868) }, + { FRAC_CONST(0.454742070861955), FRAC_CONST(0.890623180131856) }, + { FRAC_CONST(0.452007537350437), FRAC_CONST(0.892014117701280) }, + { FRAC_CONST(0.449268749371830), FRAC_CONST(0.893396659294108) }, + { FRAC_CONST(0.446525732704651), FRAC_CONST(0.894770791897330) }, + { FRAC_CONST(0.443778513167218), FRAC_CONST(0.896136502577087) }, + { FRAC_CONST(0.441027116617407), FRAC_CONST(0.897493778478790) }, + { FRAC_CONST(0.438271568952410), FRAC_CONST(0.898842606827242) }, + { FRAC_CONST(0.435511896108492), FRAC_CONST(0.900182974926757) }, + { FRAC_CONST(0.432748124060744), FRAC_CONST(0.901514870161279) }, + { FRAC_CONST(0.429980278822841), FRAC_CONST(0.902838279994503) }, + { FRAC_CONST(0.427208386446796), FRAC_CONST(0.904153191969992) }, + { FRAC_CONST(0.424432473022717), FRAC_CONST(0.905459593711293) }, + { FRAC_CONST(0.421652564678558), FRAC_CONST(0.906757472922057) }, + { FRAC_CONST(0.418868687579875), FRAC_CONST(0.908046817386148) }, + { FRAC_CONST(0.416080867929579), FRAC_CONST(0.909327614967767) }, + { FRAC_CONST(0.413289131967691), FRAC_CONST(0.910599853611559) }, + { FRAC_CONST(0.410493505971093), FRAC_CONST(0.911863521342729) }, + { FRAC_CONST(0.407694016253280), FRAC_CONST(0.913118606267154) }, + { FRAC_CONST(0.404890689164118), FRAC_CONST(0.914365096571498) }, + { FRAC_CONST(0.402083551089587), FRAC_CONST(0.915602980523320) }, + { FRAC_CONST(0.399272628451541), FRAC_CONST(0.916832246471184) }, + { FRAC_CONST(0.396457947707454), FRAC_CONST(0.918052882844770) }, + { FRAC_CONST(0.393639535350173), FRAC_CONST(0.919264878154985) }, + { FRAC_CONST(0.390817417907669), FRAC_CONST(0.920468220994067) }, + { FRAC_CONST(0.387991621942785), FRAC_CONST(0.921662900035695) }, + { FRAC_CONST(0.385162174052990), FRAC_CONST(0.922848904035094) }, + { FRAC_CONST(0.382329100870125), FRAC_CONST(0.924026221829144) }, + { FRAC_CONST(0.379492429060153), FRAC_CONST(0.925194842336480) }, + { FRAC_CONST(0.376652185322910), FRAC_CONST(0.926354754557603) }, + { FRAC_CONST(0.373808396391851), FRAC_CONST(0.927505947574975) }, + { FRAC_CONST(0.370961089033802), FRAC_CONST(0.928648410553131) }, + { FRAC_CONST(0.368110290048703), FRAC_CONST(0.929782132738772) }, + { FRAC_CONST(0.365256026269360), FRAC_CONST(0.930907103460875) }, + { FRAC_CONST(0.362398324561191), FRAC_CONST(0.932023312130786) }, + { FRAC_CONST(0.359537211821973), FRAC_CONST(0.933130748242325) }, + { FRAC_CONST(0.356672714981588), FRAC_CONST(0.934229401371881) }, + { FRAC_CONST(0.353804861001772), FRAC_CONST(0.935319261178512) }, + { FRAC_CONST(0.350933676875858), FRAC_CONST(0.936400317404042) }, + { FRAC_CONST(0.348059189628526), FRAC_CONST(0.937472559873159) }, + { FRAC_CONST(0.345181426315543), FRAC_CONST(0.938535978493509) }, + { FRAC_CONST(0.342300414023514), FRAC_CONST(0.939590563255789) }, + { FRAC_CONST(0.339416179869623), FRAC_CONST(0.940636304233848) }, + { FRAC_CONST(0.336528751001382), FRAC_CONST(0.941673191584771) }, + { FRAC_CONST(0.333638154596371), FRAC_CONST(0.942701215548982) }, + { FRAC_CONST(0.330744417861983), FRAC_CONST(0.943720366450326) }, + { FRAC_CONST(0.327847568035171), FRAC_CONST(0.944730634696168) }, + { FRAC_CONST(0.324947632382188), FRAC_CONST(0.945732010777477) }, + { FRAC_CONST(0.322044638198335), FRAC_CONST(0.946724485268921) }, + { FRAC_CONST(0.319138612807696), FRAC_CONST(0.947708048828952) }, + { FRAC_CONST(0.316229583562890), FRAC_CONST(0.948682692199895) }, + { FRAC_CONST(0.313317577844809), FRAC_CONST(0.949648406208035) }, + { FRAC_CONST(0.310402623062359), FRAC_CONST(0.950605181763705) }, + { FRAC_CONST(0.307484746652204), FRAC_CONST(0.951553009861369) }, + { FRAC_CONST(0.304563976078509), FRAC_CONST(0.952491881579706) }, + { FRAC_CONST(0.301640338832679), FRAC_CONST(0.953421788081700) }, + { FRAC_CONST(0.298713862433100), FRAC_CONST(0.954342720614716) }, + { FRAC_CONST(0.295784574424884), FRAC_CONST(0.955254670510587) }, + { FRAC_CONST(0.292852502379605), FRAC_CONST(0.956157629185692) }, + { FRAC_CONST(0.289917673895041), FRAC_CONST(0.957051588141041) }, + { FRAC_CONST(0.286980116594916), FRAC_CONST(0.957936538962351) }, + { FRAC_CONST(0.284039858128637), FRAC_CONST(0.958812473320129) }, + { FRAC_CONST(0.281096926171038), FRAC_CONST(0.959679382969747) }, + { FRAC_CONST(0.278151348422115), FRAC_CONST(0.960537259751520) }, + { FRAC_CONST(0.275203152606767), FRAC_CONST(0.961386095590786) }, + { FRAC_CONST(0.272252366474537), FRAC_CONST(0.962225882497979) }, + { FRAC_CONST(0.269299017799346), FRAC_CONST(0.963056612568704) }, + { FRAC_CONST(0.266343134379238), FRAC_CONST(0.963878277983814) }, + { FRAC_CONST(0.263384744036113), FRAC_CONST(0.964690871009481) }, + { FRAC_CONST(0.260423874615468), FRAC_CONST(0.965494383997270) }, + { FRAC_CONST(0.257460553986133), FRAC_CONST(0.966288809384210) }, + { FRAC_CONST(0.254494810040011), FRAC_CONST(0.967074139692867) }, + { FRAC_CONST(0.251526670691813), FRAC_CONST(0.967850367531414) }, + { FRAC_CONST(0.248556163878797), FRAC_CONST(0.968617485593698) }, + { FRAC_CONST(0.245583317560504), FRAC_CONST(0.969375486659311) }, + { FRAC_CONST(0.242608159718497), FRAC_CONST(0.970124363593660) }, + { FRAC_CONST(0.239630718356094), FRAC_CONST(0.970864109348029) }, + { FRAC_CONST(0.236651021498106), FRAC_CONST(0.971594716959650) }, + { FRAC_CONST(0.233669097190577), FRAC_CONST(0.972316179551765) }, + { FRAC_CONST(0.230684973500512), FRAC_CONST(0.973028490333694) }, + { FRAC_CONST(0.227698678515621), FRAC_CONST(0.973731642600896) }, + { FRAC_CONST(0.224710240344050), FRAC_CONST(0.974425629735035) }, + { FRAC_CONST(0.221719687114115), FRAC_CONST(0.975110445204039) }, + { FRAC_CONST(0.218727046974045), FRAC_CONST(0.975786082562164) }, + { FRAC_CONST(0.215732348091706), FRAC_CONST(0.976452535450054) }, + { FRAC_CONST(0.212735618654346), FRAC_CONST(0.977109797594801) }, + { FRAC_CONST(0.209736886868323), FRAC_CONST(0.977757862810003) }, + { FRAC_CONST(0.206736180958844), FRAC_CONST(0.978396724995823) }, + { FRAC_CONST(0.203733529169694), FRAC_CONST(0.979026378139048) }, + { FRAC_CONST(0.200728959762976), FRAC_CONST(0.979646816313141) }, + { FRAC_CONST(0.197722501018842), FRAC_CONST(0.980258033678304) }, + { FRAC_CONST(0.194714181235226), FRAC_CONST(0.980860024481524) }, + { FRAC_CONST(0.191704028727580), FRAC_CONST(0.981452783056636) }, + { FRAC_CONST(0.188692071828605), FRAC_CONST(0.982036303824369) }, + { FRAC_CONST(0.185678338887988), FRAC_CONST(0.982610581292405) }, + { FRAC_CONST(0.182662858272129), FRAC_CONST(0.983175610055424) }, + { FRAC_CONST(0.179645658363882), FRAC_CONST(0.983731384795162) }, + { FRAC_CONST(0.176626767562281), FRAC_CONST(0.984277900280454) }, + { FRAC_CONST(0.173606214282275), FRAC_CONST(0.984815151367289) }, + { FRAC_CONST(0.170584026954464), FRAC_CONST(0.985343132998855) }, + { FRAC_CONST(0.167560234024824), FRAC_CONST(0.985861840205587) }, + { FRAC_CONST(0.164534863954446), FRAC_CONST(0.986371268105216) }, + { FRAC_CONST(0.161507945219266), FRAC_CONST(0.986871411902812) }, + { FRAC_CONST(0.158479506309796), FRAC_CONST(0.987362266890832) }, + { FRAC_CONST(0.155449575730856), FRAC_CONST(0.987843828449162) }, + { FRAC_CONST(0.152418182001307), FRAC_CONST(0.988316092045160) }, + { FRAC_CONST(0.149385353653780), FRAC_CONST(0.988779053233702) }, + { FRAC_CONST(0.146351119234411), FRAC_CONST(0.989232707657220) }, + { FRAC_CONST(0.143315507302572), FRAC_CONST(0.989677051045747) }, + { FRAC_CONST(0.140278546430595), FRAC_CONST(0.990112079216954) }, + { FRAC_CONST(0.137240265203516), FRAC_CONST(0.990537788076189) }, + { FRAC_CONST(0.134200692218792), FRAC_CONST(0.990954173616519) }, + { FRAC_CONST(0.131159856086043), FRAC_CONST(0.991361231918763) }, + { FRAC_CONST(0.128117785426777), FRAC_CONST(0.991758959151536) }, + { FRAC_CONST(0.125074508874121), FRAC_CONST(0.992147351571276) }, + { FRAC_CONST(0.122030055072553), FRAC_CONST(0.992526405522286) }, + { FRAC_CONST(0.118984452677633), FRAC_CONST(0.992896117436766) }, + { FRAC_CONST(0.115937730355728), FRAC_CONST(0.993256483834846) }, + { FRAC_CONST(0.112889916783750), FRAC_CONST(0.993607501324622) }, + { FRAC_CONST(0.109841040648883), FRAC_CONST(0.993949166602181) }, + { FRAC_CONST(0.106791130648307), FRAC_CONST(0.994281476451642) }, + { FRAC_CONST(0.103740215488939), FRAC_CONST(0.994604427745176) }, + { FRAC_CONST(0.100688323887154), FRAC_CONST(0.994918017443043) }, + { FRAC_CONST(0.097635484568517), FRAC_CONST(0.995222242593618) }, + { FRAC_CONST(0.094581726267515), FRAC_CONST(0.995517100333418) }, + { FRAC_CONST(0.091527077727285), FRAC_CONST(0.995802587887129) }, + { FRAC_CONST(0.088471567699341), FRAC_CONST(0.996078702567634) }, + { FRAC_CONST(0.085415224943307), FRAC_CONST(0.996345441776036) }, + { FRAC_CONST(0.082358078226647), FRAC_CONST(0.996602803001684) }, + { FRAC_CONST(0.079300156324388), FRAC_CONST(0.996850783822197) }, + { FRAC_CONST(0.076241488018856), FRAC_CONST(0.997089381903483) }, + { FRAC_CONST(0.073182102099403), FRAC_CONST(0.997318594999769) }, + { FRAC_CONST(0.070122027362134), FRAC_CONST(0.997538420953611) }, + { FRAC_CONST(0.067061292609637), FRAC_CONST(0.997748857695926) }, + { FRAC_CONST(0.063999926650714), FRAC_CONST(0.997949903246001) }, + { FRAC_CONST(0.060937958300107), FRAC_CONST(0.998141555711521) }, + { FRAC_CONST(0.057875416378229), FRAC_CONST(0.998323813288578) }, + { FRAC_CONST(0.054812329710890), FRAC_CONST(0.998496674261695) }, + { FRAC_CONST(0.051748727129028), FRAC_CONST(0.998660137003838) }, + { FRAC_CONST(0.048684637468439), FRAC_CONST(0.998814199976435) }, + { FRAC_CONST(0.045620089569500), FRAC_CONST(0.998958861729386) }, + { FRAC_CONST(0.042555112276904), FRAC_CONST(0.999094120901079) }, + { FRAC_CONST(0.039489734439384), FRAC_CONST(0.999219976218404) }, + { FRAC_CONST(0.036423984909444), FRAC_CONST(0.999336426496761) }, + { FRAC_CONST(0.033357892543086), FRAC_CONST(0.999443470640078) }, + { FRAC_CONST(0.030291486199539), FRAC_CONST(0.999541107640813) }, + { FRAC_CONST(0.027224794740988), FRAC_CONST(0.999629336579970) }, + { FRAC_CONST(0.024157847032300), FRAC_CONST(0.999708156627105) }, + { FRAC_CONST(0.021090671940755), FRAC_CONST(0.999777567040333) }, + { FRAC_CONST(0.018023298335774), FRAC_CONST(0.999837567166337) }, + { FRAC_CONST(0.014955755088644), FRAC_CONST(0.999888156440373) }, + { FRAC_CONST(0.011888071072252), FRAC_CONST(0.999929334386276) }, + { FRAC_CONST(0.008820275160808), FRAC_CONST(0.999961100616463) }, + { FRAC_CONST(0.005752396229574), FRAC_CONST(0.999983454831938) }, + { FRAC_CONST(0.002684463154596), FRAC_CONST(0.999996396822294) } + }; + + /* 64 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_256[] = { + { FRAC_CONST(0.999995293809576), FRAC_CONST(0.003067956762966) }, + { FRAC_CONST(0.999618822495179), FRAC_CONST(0.027608145778966) }, + { FRAC_CONST(0.998640218180265), FRAC_CONST(0.052131704680283) }, + { FRAC_CONST(0.997060070339483), FRAC_CONST(0.076623861392031) }, + { FRAC_CONST(0.994879330794806), FRAC_CONST(0.101069862754828) }, + { FRAC_CONST(0.992099313142192), FRAC_CONST(0.125454983411546) }, + { FRAC_CONST(0.988721691960324), FRAC_CONST(0.149764534677322) }, + { FRAC_CONST(0.984748501801904), FRAC_CONST(0.173983873387464) }, + { FRAC_CONST(0.980182135968117), FRAC_CONST(0.198098410717954) }, + { FRAC_CONST(0.975025345066994), FRAC_CONST(0.222093620973204) }, + { FRAC_CONST(0.969281235356549), FRAC_CONST(0.245955050335795) }, + { FRAC_CONST(0.962953266873684), FRAC_CONST(0.269668325572915) }, + { FRAC_CONST(0.956045251349996), FRAC_CONST(0.293219162694259) }, + { FRAC_CONST(0.948561349915730), FRAC_CONST(0.316593375556166) }, + { FRAC_CONST(0.940506070593268), FRAC_CONST(0.339776884406827) }, + { FRAC_CONST(0.931884265581668), FRAC_CONST(0.362755724367397) }, + { FRAC_CONST(0.922701128333879), FRAC_CONST(0.385516053843919) }, + { FRAC_CONST(0.912962190428398), FRAC_CONST(0.408044162864979) }, + { FRAC_CONST(0.902673318237259), FRAC_CONST(0.430326481340083) }, + { FRAC_CONST(0.891840709392343), FRAC_CONST(0.452349587233771) }, + { FRAC_CONST(0.880470889052161), FRAC_CONST(0.474100214650550) }, + { FRAC_CONST(0.868570705971341), FRAC_CONST(0.495565261825773) }, + { FRAC_CONST(0.856147328375194), FRAC_CONST(0.516731799017650) }, + { FRAC_CONST(0.843208239641845), FRAC_CONST(0.537587076295645) }, + { FRAC_CONST(0.829761233794523), FRAC_CONST(0.558118531220556) }, + { FRAC_CONST(0.815814410806734), FRAC_CONST(0.578313796411656) }, + { FRAC_CONST(0.801376171723140), FRAC_CONST(0.598160706996342) }, + { FRAC_CONST(0.786455213599086), FRAC_CONST(0.617647307937804) }, + { FRAC_CONST(0.771060524261814), FRAC_CONST(0.636761861236284) }, + { FRAC_CONST(0.755201376896537), FRAC_CONST(0.655492852999615) }, + { FRAC_CONST(0.738887324460615), FRAC_CONST(0.673829000378756) }, + { FRAC_CONST(0.722128193929215), FRAC_CONST(0.691759258364158) }, + { FRAC_CONST(0.704934080375905), FRAC_CONST(0.709272826438866) }, + { FRAC_CONST(0.687315340891759), FRAC_CONST(0.726359155084346) }, + { FRAC_CONST(0.669282588346636), FRAC_CONST(0.743007952135122) }, + { FRAC_CONST(0.650846684996381), FRAC_CONST(0.759209188978388) }, + { FRAC_CONST(0.632018735939809), FRAC_CONST(0.774953106594874) }, + { FRAC_CONST(0.612810082429410), FRAC_CONST(0.790230221437310) }, + { FRAC_CONST(0.593232295039800), FRAC_CONST(0.805031331142964) }, + { FRAC_CONST(0.573297166698042), FRAC_CONST(0.819347520076797) }, + { FRAC_CONST(0.553016705580028), FRAC_CONST(0.833170164701913) }, + { FRAC_CONST(0.532403127877198), FRAC_CONST(0.846490938774052) }, + { FRAC_CONST(0.511468850437971), FRAC_CONST(0.859301818357008) }, + { FRAC_CONST(0.490226483288291), FRAC_CONST(0.871595086655951) }, + { FRAC_CONST(0.468688822035828), FRAC_CONST(0.883363338665732) }, + { FRAC_CONST(0.446868840162374), FRAC_CONST(0.894599485631383) }, + { FRAC_CONST(0.424779681209109), FRAC_CONST(0.905296759318119) }, + { FRAC_CONST(0.402434650859419), FRAC_CONST(0.915448716088268) }, + { FRAC_CONST(0.379847208924051), FRAC_CONST(0.925049240782678) }, + { FRAC_CONST(0.357030961233430), FRAC_CONST(0.934092550404259) }, + { FRAC_CONST(0.333999651442009), FRAC_CONST(0.942573197601447) }, + { FRAC_CONST(0.310767152749611), FRAC_CONST(0.950486073949482) }, + { FRAC_CONST(0.287347459544730), FRAC_CONST(0.957826413027533) }, + { FRAC_CONST(0.263754678974832), FRAC_CONST(0.964589793289813) }, + { FRAC_CONST(0.240003022448742), FRAC_CONST(0.970772140728950) }, + { FRAC_CONST(0.216106797076220), FRAC_CONST(0.976369731330021) }, + { FRAC_CONST(0.192080397049892), FRAC_CONST(0.981379193313755) }, + { FRAC_CONST(0.167938294974731), FRAC_CONST(0.985797509167567) }, + { FRAC_CONST(0.143695033150295), FRAC_CONST(0.989622017463201) }, + { FRAC_CONST(0.119365214810991), FRAC_CONST(0.992850414459865) }, + { FRAC_CONST(0.094963495329639), FRAC_CONST(0.995480755491927) }, + { FRAC_CONST(0.070504573389614), FRAC_CONST(0.997511456140303) }, + { FRAC_CONST(0.046003182130915), FRAC_CONST(0.998941293186857) }, + { FRAC_CONST(0.021474080275470), FRAC_CONST(0.999769405351215) } + }; + +#ifdef LD_DEC + /* 256 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_1024[] = { + { FRAC_CONST(0.999999705862882), FRAC_CONST(0.000766990318743) }, + { FRAC_CONST(0.999976174986898), FRAC_CONST(0.006902858724730) }, + { FRAC_CONST(0.999914995573113), FRAC_CONST(0.013038467241987) }, + { FRAC_CONST(0.999816169924900), FRAC_CONST(0.019173584868323) }, + { FRAC_CONST(0.999679701762988), FRAC_CONST(0.025307980620025) }, + { FRAC_CONST(0.999505596225325), FRAC_CONST(0.031441423540560) }, + { FRAC_CONST(0.999293859866888), FRAC_CONST(0.037573682709270) }, + { FRAC_CONST(0.999044500659429), FRAC_CONST(0.043704527250063) }, + { FRAC_CONST(0.998757527991183), FRAC_CONST(0.049833726340107) }, + { FRAC_CONST(0.998432952666508), FRAC_CONST(0.055961049218521) }, + { FRAC_CONST(0.998070786905482), FRAC_CONST(0.062086265195060) }, + { FRAC_CONST(0.997671044343441), FRAC_CONST(0.068209143658806) }, + { FRAC_CONST(0.997233740030466), FRAC_CONST(0.074329454086846) }, + { FRAC_CONST(0.996758890430818), FRAC_CONST(0.080446966052950) }, + { FRAC_CONST(0.996246513422316), FRAC_CONST(0.086561449236251) }, + { FRAC_CONST(0.995696628295664), FRAC_CONST(0.092672673429913) }, + { FRAC_CONST(0.995109255753726), FRAC_CONST(0.098780408549800) }, + { FRAC_CONST(0.994484417910748), FRAC_CONST(0.104884424643135) }, + { FRAC_CONST(0.993822138291520), FRAC_CONST(0.110984491897163) }, + { FRAC_CONST(0.993122441830496), FRAC_CONST(0.117080380647801) }, + { FRAC_CONST(0.992385354870852), FRAC_CONST(0.123171861388280) }, + { FRAC_CONST(0.991610905163495), FRAC_CONST(0.129258704777796) }, + { FRAC_CONST(0.990799121866020), FRAC_CONST(0.135340681650134) }, + { FRAC_CONST(0.989950035541609), FRAC_CONST(0.141417563022303) }, + { FRAC_CONST(0.989063678157882), FRAC_CONST(0.147489120103154) }, + { FRAC_CONST(0.988140083085693), FRAC_CONST(0.153555124301993) }, + { FRAC_CONST(0.987179285097874), FRAC_CONST(0.159615347237193) }, + { FRAC_CONST(0.986181320367928), FRAC_CONST(0.165669560744784) }, + { FRAC_CONST(0.985146226468662), FRAC_CONST(0.171717536887050) }, + { FRAC_CONST(0.984074042370776), FRAC_CONST(0.177759047961107) }, + { FRAC_CONST(0.982964808441396), FRAC_CONST(0.183793866507478) }, + { FRAC_CONST(0.981818566442553), FRAC_CONST(0.189821765318656) }, + { FRAC_CONST(0.980635359529608), FRAC_CONST(0.195842517447658) }, + { FRAC_CONST(0.979415232249635), FRAC_CONST(0.201855896216568) }, + { FRAC_CONST(0.978158230539735), FRAC_CONST(0.207861675225075) }, + { FRAC_CONST(0.976864401725313), FRAC_CONST(0.213859628358994) }, + { FRAC_CONST(0.975533794518291), FRAC_CONST(0.219849529798779) }, + { FRAC_CONST(0.974166459015280), FRAC_CONST(0.225831154028026) }, + { FRAC_CONST(0.972762446695689), FRAC_CONST(0.231804275841965) }, + { FRAC_CONST(0.971321810419786), FRAC_CONST(0.237768670355934) }, + { FRAC_CONST(0.969844604426715), FRAC_CONST(0.243724113013852) }, + { FRAC_CONST(0.968330884332445), FRAC_CONST(0.249670379596669) }, + { FRAC_CONST(0.966780707127683), FRAC_CONST(0.255607246230807) }, + { FRAC_CONST(0.965194131175725), FRAC_CONST(0.261534489396596) }, + { FRAC_CONST(0.963571216210257), FRAC_CONST(0.267451885936678) }, + { FRAC_CONST(0.961912023333112), FRAC_CONST(0.273359213064419) }, + { FRAC_CONST(0.960216615011963), FRAC_CONST(0.279256248372291) }, + { FRAC_CONST(0.958485055077976), FRAC_CONST(0.285142769840249) }, + { FRAC_CONST(0.956717408723403), FRAC_CONST(0.291018555844085) }, + { FRAC_CONST(0.954913742499131), FRAC_CONST(0.296883385163778) }, + { FRAC_CONST(0.953074124312172), FRAC_CONST(0.302737036991819) }, + { FRAC_CONST(0.951198623423113), FRAC_CONST(0.308579290941525) }, + { FRAC_CONST(0.949287310443502), FRAC_CONST(0.314409927055337) }, + { FRAC_CONST(0.947340257333192), FRAC_CONST(0.320228725813100) }, + { FRAC_CONST(0.945357537397632), FRAC_CONST(0.326035468140330) }, + { FRAC_CONST(0.943339225285108), FRAC_CONST(0.331829935416461) }, + { FRAC_CONST(0.941285396983929), FRAC_CONST(0.337611909483075) }, + { FRAC_CONST(0.939196129819570), FRAC_CONST(0.343381172652115) }, + { FRAC_CONST(0.937071502451759), FRAC_CONST(0.349137507714085) }, + { FRAC_CONST(0.934911594871516), FRAC_CONST(0.354880697946223) }, + { FRAC_CONST(0.932716488398140), FRAC_CONST(0.360610527120662) }, + { FRAC_CONST(0.930486265676150), FRAC_CONST(0.366326779512574) }, + { FRAC_CONST(0.928221010672169), FRAC_CONST(0.372029239908285) }, + { FRAC_CONST(0.925920808671770), FRAC_CONST(0.377717693613386) }, + { FRAC_CONST(0.923585746276257), FRAC_CONST(0.383391926460809) }, + { FRAC_CONST(0.921215911399409), FRAC_CONST(0.389051724818894) }, + { FRAC_CONST(0.918811393264170), FRAC_CONST(0.394696875599434) }, + { FRAC_CONST(0.916372282399289), FRAC_CONST(0.400327166265690) }, + { FRAC_CONST(0.913898670635912), FRAC_CONST(0.405942384840403) }, + { FRAC_CONST(0.911390651104122), FRAC_CONST(0.411542319913765) }, + { FRAC_CONST(0.908848318229439), FRAC_CONST(0.417126760651388) }, + { FRAC_CONST(0.906271767729258), FRAC_CONST(0.422695496802233) }, + { FRAC_CONST(0.903661096609248), FRAC_CONST(0.428248318706532) }, + { FRAC_CONST(0.901016403159702), FRAC_CONST(0.433785017303679) }, + { FRAC_CONST(0.898337786951834), FRAC_CONST(0.439305384140100) }, + { FRAC_CONST(0.895625348834030), FRAC_CONST(0.444809211377105) }, + { FRAC_CONST(0.892879190928052), FRAC_CONST(0.450296291798709) }, + { FRAC_CONST(0.890099416625192), FRAC_CONST(0.455766418819435) }, + { FRAC_CONST(0.887286130582383), FRAC_CONST(0.461219386492092) }, + { FRAC_CONST(0.884439438718254), FRAC_CONST(0.466654989515531) }, + { FRAC_CONST(0.881559448209144), FRAC_CONST(0.472073023242369) }, + { FRAC_CONST(0.878646267485068), FRAC_CONST(0.477473283686698) }, + { FRAC_CONST(0.875700006225635), FRAC_CONST(0.482855567531766) }, + { FRAC_CONST(0.872720775355914), FRAC_CONST(0.488219672137627) }, + { FRAC_CONST(0.869708687042266), FRAC_CONST(0.493565395548775) }, + { FRAC_CONST(0.866663854688111), FRAC_CONST(0.498892536501745) }, + { FRAC_CONST(0.863586392929668), FRAC_CONST(0.504200894432690) }, + { FRAC_CONST(0.860476417631632), FRAC_CONST(0.509490269484936) }, + { FRAC_CONST(0.857334045882816), FRAC_CONST(0.514760462516501) }, + { FRAC_CONST(0.854159395991739), FRAC_CONST(0.520011275107596) }, + { FRAC_CONST(0.850952587482176), FRAC_CONST(0.525242509568095) }, + { FRAC_CONST(0.847713741088654), FRAC_CONST(0.530453968944976) }, + { FRAC_CONST(0.844442978751911), FRAC_CONST(0.535645457029741) }, + { FRAC_CONST(0.841140423614298), FRAC_CONST(0.540816778365797) }, + { FRAC_CONST(0.837806200015151), FRAC_CONST(0.545967738255818) }, + { FRAC_CONST(0.834440433486103), FRAC_CONST(0.551098142769075) }, + { FRAC_CONST(0.831043250746362), FRAC_CONST(0.556207798748740) }, + { FRAC_CONST(0.827614779697938), FRAC_CONST(0.561296513819151) }, + { FRAC_CONST(0.824155149420829), FRAC_CONST(0.566364096393064) }, + { FRAC_CONST(0.820664490168157), FRAC_CONST(0.571410355678857) }, + { FRAC_CONST(0.817142933361273), FRAC_CONST(0.576435101687722) }, + { FRAC_CONST(0.813590611584799), FRAC_CONST(0.581438145240810) }, + { FRAC_CONST(0.810007658581641), FRAC_CONST(0.586419297976361) }, + { FRAC_CONST(0.806394209247956), FRAC_CONST(0.591378372356788) }, + { FRAC_CONST(0.802750399628069), FRAC_CONST(0.596315181675744) }, + { FRAC_CONST(0.799076366909352), FRAC_CONST(0.601229540065149) }, + { FRAC_CONST(0.795372249417061), FRAC_CONST(0.606121262502186) }, + { FRAC_CONST(0.791638186609126), FRAC_CONST(0.610990164816272) }, + { FRAC_CONST(0.787874319070900), FRAC_CONST(0.615836063695985) }, + { FRAC_CONST(0.784080788509870), FRAC_CONST(0.620658776695972) }, + { FRAC_CONST(0.780257737750317), FRAC_CONST(0.625458122243814) }, + { FRAC_CONST(0.776405310727940), FRAC_CONST(0.630233919646864) }, + { FRAC_CONST(0.772523652484441), FRAC_CONST(0.634985989099049) }, + { FRAC_CONST(0.768612909162058), FRAC_CONST(0.639714151687640) }, + { FRAC_CONST(0.764673227998067), FRAC_CONST(0.644418229399988) }, + { FRAC_CONST(0.760704757319237), FRAC_CONST(0.649098045130226) }, + { FRAC_CONST(0.756707646536246), FRAC_CONST(0.653753422685936) }, + { FRAC_CONST(0.752682046138055), FRAC_CONST(0.658384186794785) }, + { FRAC_CONST(0.748628107686245), FRAC_CONST(0.662990163111121) }, + { FRAC_CONST(0.744545983809307), FRAC_CONST(0.667571178222540) }, + { FRAC_CONST(0.740435828196898), FRAC_CONST(0.672127059656412) }, + { FRAC_CONST(0.736297795594053), FRAC_CONST(0.676657635886375) }, + { FRAC_CONST(0.732132041795361), FRAC_CONST(0.681162736338795) }, + { FRAC_CONST(0.727938723639099), FRAC_CONST(0.685642191399187) }, + { FRAC_CONST(0.723717999001324), FRAC_CONST(0.690095832418600) }, + { FRAC_CONST(0.719470026789933), FRAC_CONST(0.694523491719966) }, + { FRAC_CONST(0.715194966938680), FRAC_CONST(0.698925002604414) }, + { FRAC_CONST(0.710892980401152), FRAC_CONST(0.703300199357549) }, + { FRAC_CONST(0.706564229144710), FRAC_CONST(0.707648917255684) }, + { FRAC_CONST(0.702208876144392), FRAC_CONST(0.711970992572050) }, + { FRAC_CONST(0.697827085376777), FRAC_CONST(0.716266262582953) }, + { FRAC_CONST(0.693419021813812), FRAC_CONST(0.720534565573905) }, + { FRAC_CONST(0.688984851416597), FRAC_CONST(0.724775740845711) }, + { FRAC_CONST(0.684524741129142), FRAC_CONST(0.728989628720519) }, + { FRAC_CONST(0.680038858872079), FRAC_CONST(0.733176070547833) }, + { FRAC_CONST(0.675527373536339), FRAC_CONST(0.737334908710483) }, + { FRAC_CONST(0.670990454976794), FRAC_CONST(0.741465986630563) }, + { FRAC_CONST(0.666428274005865), FRAC_CONST(0.745569148775325) }, + { FRAC_CONST(0.661841002387087), FRAC_CONST(0.749644240663033) }, + { FRAC_CONST(0.657228812828643), FRAC_CONST(0.753691108868781) }, + { FRAC_CONST(0.652591878976863), FRAC_CONST(0.757709601030268) }, + { FRAC_CONST(0.647930375409685), FRAC_CONST(0.761699565853535) }, + { FRAC_CONST(0.643244477630086), FRAC_CONST(0.765660853118662) }, + { FRAC_CONST(0.638534362059467), FRAC_CONST(0.769593313685423) }, + { FRAC_CONST(0.633800206031017), FRAC_CONST(0.773496799498899) }, + { FRAC_CONST(0.629042187783036), FRAC_CONST(0.777371163595056) }, + { FRAC_CONST(0.624260486452221), FRAC_CONST(0.781216260106276) }, + { FRAC_CONST(0.619455282066924), FRAC_CONST(0.785031944266848) }, + { FRAC_CONST(0.614626755540375), FRAC_CONST(0.788818072418420) }, + { FRAC_CONST(0.609775088663868), FRAC_CONST(0.792574502015408) }, + { FRAC_CONST(0.604900464099920), FRAC_CONST(0.796301091630359) }, + { FRAC_CONST(0.600003065375389), FRAC_CONST(0.799997700959282) }, + { FRAC_CONST(0.595083076874570), FRAC_CONST(0.803664190826924) }, + { FRAC_CONST(0.590140683832249), FRAC_CONST(0.807300423192014) }, + { FRAC_CONST(0.585176072326730), FRAC_CONST(0.810906261152460) }, + { FRAC_CONST(0.580189429272832), FRAC_CONST(0.814481568950499) }, + { FRAC_CONST(0.575180942414845), FRAC_CONST(0.818026211977813) }, + { FRAC_CONST(0.570150800319470), FRAC_CONST(0.821540056780598) }, + { FRAC_CONST(0.565099192368714), FRAC_CONST(0.825022971064580) }, + { FRAC_CONST(0.560026308752760), FRAC_CONST(0.828474823700007) }, + { FRAC_CONST(0.554932340462810), FRAC_CONST(0.831895484726578) }, + { FRAC_CONST(0.549817479283891), FRAC_CONST(0.835284825358337) }, + { FRAC_CONST(0.544681917787635), FRAC_CONST(0.838642717988527) }, + { FRAC_CONST(0.539525849325029), FRAC_CONST(0.841969036194388) }, + { FRAC_CONST(0.534349468019138), FRAC_CONST(0.845263654741918) }, + { FRAC_CONST(0.529152968757791), FRAC_CONST(0.848526449590593) }, + { FRAC_CONST(0.523936547186249), FRAC_CONST(0.851757297898029) }, + { FRAC_CONST(0.518700399699835), FRAC_CONST(0.854956078024615) }, + { FRAC_CONST(0.513444723436544), FRAC_CONST(0.858122669538086) }, + { FRAC_CONST(0.508169716269615), FRAC_CONST(0.861256953218062) }, + { FRAC_CONST(0.502875576800087), FRAC_CONST(0.864358811060534) }, + { FRAC_CONST(0.497562504349319), FRAC_CONST(0.867428126282307) }, + { FRAC_CONST(0.492230698951486), FRAC_CONST(0.870464783325398) }, + { FRAC_CONST(0.486880361346047), FRAC_CONST(0.873468667861385) }, + { FRAC_CONST(0.481511692970190), FRAC_CONST(0.876439666795714) }, + { FRAC_CONST(0.476124895951244), FRAC_CONST(0.879377668271953) }, + { FRAC_CONST(0.470720173099072), FRAC_CONST(0.882282561676009) }, + { FRAC_CONST(0.465297727898435), FRAC_CONST(0.885154237640285) }, + { FRAC_CONST(0.459857764501330), FRAC_CONST(0.887992588047806) }, + { FRAC_CONST(0.454400487719304), FRAC_CONST(0.890797506036281) }, + { FRAC_CONST(0.448926103015743), FRAC_CONST(0.893568886002136) }, + { FRAC_CONST(0.443434816498138), FRAC_CONST(0.896306623604480) }, + { FRAC_CONST(0.437926834910323), FRAC_CONST(0.899010615769039) }, + { FRAC_CONST(0.432402365624690), FRAC_CONST(0.901680760692038) }, + { FRAC_CONST(0.426861616634386), FRAC_CONST(0.904316957844028) }, + { FRAC_CONST(0.421304796545480), FRAC_CONST(0.906919107973678) }, + { FRAC_CONST(0.415732114569105), FRAC_CONST(0.909487113111505) }, + { FRAC_CONST(0.410143780513590), FRAC_CONST(0.912020876573568) }, + { FRAC_CONST(0.404540004776553), FRAC_CONST(0.914520302965104) }, + { FRAC_CONST(0.398920998336983), FRAC_CONST(0.916985298184123) }, + { FRAC_CONST(0.393286972747297), FRAC_CONST(0.919415769424947) }, + { FRAC_CONST(0.387638140125373), FRAC_CONST(0.921811625181708) }, + { FRAC_CONST(0.381974713146567), FRAC_CONST(0.924172775251791) }, + { FRAC_CONST(0.376296905035705), FRAC_CONST(0.926499130739231) }, + { FRAC_CONST(0.370604929559052), FRAC_CONST(0.928790604058057) }, + { FRAC_CONST(0.364899001016267), FRAC_CONST(0.931047108935595) }, + { FRAC_CONST(0.359179334232337), FRAC_CONST(0.933268560415712) }, + { FRAC_CONST(0.353446144549481), FRAC_CONST(0.935454874862015) }, + { FRAC_CONST(0.347699647819051), FRAC_CONST(0.937605969961000) }, + { FRAC_CONST(0.341940060393402), FRAC_CONST(0.939721764725153) }, + { FRAC_CONST(0.336167599117745), FRAC_CONST(0.941802179495998) }, + { FRAC_CONST(0.330382481321983), FRAC_CONST(0.943847135947093) }, + { FRAC_CONST(0.324584924812532), FRAC_CONST(0.945856557086984) }, + { FRAC_CONST(0.318775147864118), FRAC_CONST(0.947830367262101) }, + { FRAC_CONST(0.312953369211560), FRAC_CONST(0.949768492159607) }, + { FRAC_CONST(0.307119808041533), FRAC_CONST(0.951670858810194) }, + { FRAC_CONST(0.301274683984318), FRAC_CONST(0.953537395590833) }, + { FRAC_CONST(0.295418217105532), FRAC_CONST(0.955368032227470) }, + { FRAC_CONST(0.289550627897843), FRAC_CONST(0.957162699797670) }, + { FRAC_CONST(0.283672137272669), FRAC_CONST(0.958921330733213) }, + { FRAC_CONST(0.277782966551858), FRAC_CONST(0.960643858822638) }, + { FRAC_CONST(0.271883337459360), FRAC_CONST(0.962330219213737) }, + { FRAC_CONST(0.265973472112876), FRAC_CONST(0.963980348415994) }, + { FRAC_CONST(0.260053593015495), FRAC_CONST(0.965594184302977) }, + { FRAC_CONST(0.254123923047321), FRAC_CONST(0.967171666114677) }, + { FRAC_CONST(0.248184685457075), FRAC_CONST(0.968712734459795) }, + { FRAC_CONST(0.242236103853696), FRAC_CONST(0.970217331317979) }, + { FRAC_CONST(0.236278402197920), FRAC_CONST(0.971685400042009) }, + { FRAC_CONST(0.230311804793846), FRAC_CONST(0.973116885359925) }, + { FRAC_CONST(0.224336536280494), FRAC_CONST(0.974511733377116) }, + { FRAC_CONST(0.218352821623346), FRAC_CONST(0.975869891578341) }, + { FRAC_CONST(0.212360886105879), FRAC_CONST(0.977191308829712) }, + { FRAC_CONST(0.206360955321076), FRAC_CONST(0.978475935380617) }, + { FRAC_CONST(0.200353255162940), FRAC_CONST(0.979723722865591) }, + { FRAC_CONST(0.194338011817989), FRAC_CONST(0.980934624306142) }, + { FRAC_CONST(0.188315451756732), FRAC_CONST(0.982108594112514) }, + { FRAC_CONST(0.182285801725153), FRAC_CONST(0.983245588085407) }, + { FRAC_CONST(0.176249288736168), FRAC_CONST(0.984345563417642) }, + { FRAC_CONST(0.170206140061078), FRAC_CONST(0.985408478695768) }, + { FRAC_CONST(0.164156583221016), FRAC_CONST(0.986434293901627) }, + { FRAC_CONST(0.158100845978377), FRAC_CONST(0.987422970413855) }, + { FRAC_CONST(0.152039156328246), FRAC_CONST(0.988374471009341) }, + { FRAC_CONST(0.145971742489812), FRAC_CONST(0.989288759864625) }, + { FRAC_CONST(0.139898832897777), FRAC_CONST(0.990165802557248) }, + { FRAC_CONST(0.133820656193755), FRAC_CONST(0.991005566067049) }, + { FRAC_CONST(0.127737441217662), FRAC_CONST(0.991808018777406) }, + { FRAC_CONST(0.121649416999106), FRAC_CONST(0.992573130476429) }, + { FRAC_CONST(0.115556812748755), FRAC_CONST(0.993300872358093) }, + { FRAC_CONST(0.109459857849718), FRAC_CONST(0.993991217023329) }, + { FRAC_CONST(0.103358781848900), FRAC_CONST(0.994644138481051) }, + { FRAC_CONST(0.097253814448363), FRAC_CONST(0.995259612149133) }, + { FRAC_CONST(0.091145185496681), FRAC_CONST(0.995837614855342) }, + { FRAC_CONST(0.085033124980280), FRAC_CONST(0.996378124838200) }, + { FRAC_CONST(0.078917863014785), FRAC_CONST(0.996881121747814) }, + { FRAC_CONST(0.072799629836352), FRAC_CONST(0.997346586646633) }, + { FRAC_CONST(0.066678655793002), FRAC_CONST(0.997774502010168) }, + { FRAC_CONST(0.060555171335948), FRAC_CONST(0.998164851727646) }, + { FRAC_CONST(0.054429407010919), FRAC_CONST(0.998517621102622) }, + { FRAC_CONST(0.048301593449480), FRAC_CONST(0.998832796853528) }, + { FRAC_CONST(0.042171961360348), FRAC_CONST(0.999110367114175) }, + { FRAC_CONST(0.036040741520706), FRAC_CONST(0.999350321434199) }, + { FRAC_CONST(0.029908164767517), FRAC_CONST(0.999552650779457) }, + { FRAC_CONST(0.023774461988828), FRAC_CONST(0.999717347532362) }, + { FRAC_CONST(0.017639864115082), FRAC_CONST(0.999844405492175) }, + { FRAC_CONST(0.011504602110423), FRAC_CONST(0.999933819875236) }, + { FRAC_CONST(0.005368906963996), FRAC_CONST(0.999985587315143) } + }; +#endif // LD_DEC + +#ifdef ALLOW_SMALL_FRAMELENGTH + /* 480 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_1920[] = { + { FRAC_CONST(0.999999916334328), FRAC_CONST(0.000409061532028) }, + { FRAC_CONST(0.999993223088129), FRAC_CONST(0.003681545574400) }, + { FRAC_CONST(0.999975820717897), FRAC_CONST(0.006953990190376) }, + { FRAC_CONST(0.999947709409999), FRAC_CONST(0.010226360334704) }, + { FRAC_CONST(0.999908889465485), FRAC_CONST(0.013498620962929) }, + { FRAC_CONST(0.999859361300084), FRAC_CONST(0.016770737031768) }, + { FRAC_CONST(0.999799125444203), FRAC_CONST(0.020042673499487) }, + { FRAC_CONST(0.999728182542920), FRAC_CONST(0.023314395326274) }, + { FRAC_CONST(0.999646533355977), FRAC_CONST(0.026585867474619) }, + { FRAC_CONST(0.999554178757770), FRAC_CONST(0.029857054909681) }, + { FRAC_CONST(0.999451119737344), FRAC_CONST(0.033127922599673) }, + { FRAC_CONST(0.999337357398377), FRAC_CONST(0.036398435516228) }, + { FRAC_CONST(0.999212892959173), FRAC_CONST(0.039668558634781) }, + { FRAC_CONST(0.999077727752645), FRAC_CONST(0.042938256934941) }, + { FRAC_CONST(0.998931863226306), FRAC_CONST(0.046207495400865) }, + { FRAC_CONST(0.998775300942246), FRAC_CONST(0.049476239021636) }, + { FRAC_CONST(0.998608042577122), FRAC_CONST(0.052744452791636) }, + { FRAC_CONST(0.998430089922136), FRAC_CONST(0.056012101710921) }, + { FRAC_CONST(0.998241444883019), FRAC_CONST(0.059279150785597) }, + { FRAC_CONST(0.998042109480008), FRAC_CONST(0.062545565028192) }, + { FRAC_CONST(0.997832085847824), FRAC_CONST(0.065811309458034) }, + { FRAC_CONST(0.997611376235651), FRAC_CONST(0.069076349101624) }, + { FRAC_CONST(0.997379983007114), FRAC_CONST(0.072340648993011) }, + { FRAC_CONST(0.997137908640245), FRAC_CONST(0.075604174174166) }, + { FRAC_CONST(0.996885155727469), FRAC_CONST(0.078866889695354) }, + { FRAC_CONST(0.996621726975566), FRAC_CONST(0.082128760615515) }, + { FRAC_CONST(0.996347625205645), FRAC_CONST(0.085389752002632) }, + { FRAC_CONST(0.996062853353117), FRAC_CONST(0.088649828934106) }, + { FRAC_CONST(0.995767414467660), FRAC_CONST(0.091908956497133) }, + { FRAC_CONST(0.995461311713186), FRAC_CONST(0.095167099789075) }, + { FRAC_CONST(0.995144548367810), FRAC_CONST(0.098424223917834) }, + { FRAC_CONST(0.994817127823813), FRAC_CONST(0.101680294002229) }, + { FRAC_CONST(0.994479053587606), FRAC_CONST(0.104935275172364) }, + { FRAC_CONST(0.994130329279692), FRAC_CONST(0.108189132570007) }, + { FRAC_CONST(0.993770958634630), FRAC_CONST(0.111441831348957) }, + { FRAC_CONST(0.993400945500988), FRAC_CONST(0.114693336675426) }, + { FRAC_CONST(0.993020293841312), FRAC_CONST(0.117943613728403) }, + { FRAC_CONST(0.992629007732074), FRAC_CONST(0.121192627700032) }, + { FRAC_CONST(0.992227091363634), FRAC_CONST(0.124440343795983) }, + { FRAC_CONST(0.991814549040194), FRAC_CONST(0.127686727235827) }, + { FRAC_CONST(0.991391385179751), FRAC_CONST(0.130931743253405) }, + { FRAC_CONST(0.990957604314048), FRAC_CONST(0.134175357097202) }, + { FRAC_CONST(0.990513211088533), FRAC_CONST(0.137417534030720) }, + { FRAC_CONST(0.990058210262297), FRAC_CONST(0.140658239332849) }, + { FRAC_CONST(0.989592606708036), FRAC_CONST(0.143897438298239) }, + { FRAC_CONST(0.989116405411988), FRAC_CONST(0.147135096237670) }, + { FRAC_CONST(0.988629611473887), FRAC_CONST(0.150371178478428) }, + { FRAC_CONST(0.988132230106905), FRAC_CONST(0.153605650364672) }, + { FRAC_CONST(0.987624266637598), FRAC_CONST(0.156838477257806) }, + { FRAC_CONST(0.987105726505845), FRAC_CONST(0.160069624536852) }, + { FRAC_CONST(0.986576615264794), FRAC_CONST(0.163299057598817) }, + { FRAC_CONST(0.986036938580803), FRAC_CONST(0.166526741859069) }, + { FRAC_CONST(0.985486702233375), FRAC_CONST(0.169752642751702) }, + { FRAC_CONST(0.984925912115099), FRAC_CONST(0.172976725729910) }, + { FRAC_CONST(0.984354574231587), FRAC_CONST(0.176198956266353) }, + { FRAC_CONST(0.983772694701407), FRAC_CONST(0.179419299853531) }, + { FRAC_CONST(0.983180279756024), FRAC_CONST(0.182637722004152) }, + { FRAC_CONST(0.982577335739725), FRAC_CONST(0.185854188251500) }, + { FRAC_CONST(0.981963869109555), FRAC_CONST(0.189068664149806) }, + { FRAC_CONST(0.981339886435250), FRAC_CONST(0.192281115274616) }, + { FRAC_CONST(0.980705394399163), FRAC_CONST(0.195491507223158) }, + { FRAC_CONST(0.980060399796194), FRAC_CONST(0.198699805614714) }, + { FRAC_CONST(0.979404909533716), FRAC_CONST(0.201905976090986) }, + { FRAC_CONST(0.978738930631504), FRAC_CONST(0.205109984316464) }, + { FRAC_CONST(0.978062470221657), FRAC_CONST(0.208311795978794) }, + { FRAC_CONST(0.977375535548522), FRAC_CONST(0.211511376789145) }, + { FRAC_CONST(0.976678133968618), FRAC_CONST(0.214708692482577) }, + { FRAC_CONST(0.975970272950556), FRAC_CONST(0.217903708818409) }, + { FRAC_CONST(0.975251960074958), FRAC_CONST(0.221096391580581) }, + { FRAC_CONST(0.974523203034377), FRAC_CONST(0.224286706578026) }, + { FRAC_CONST(0.973784009633218), FRAC_CONST(0.227474619645035) }, + { FRAC_CONST(0.973034387787646), FRAC_CONST(0.230660096641619) }, + { FRAC_CONST(0.972274345525510), FRAC_CONST(0.233843103453878) }, + { FRAC_CONST(0.971503890986252), FRAC_CONST(0.237023605994367) }, + { FRAC_CONST(0.970723032420820), FRAC_CONST(0.240201570202459) }, + { FRAC_CONST(0.969931778191584), FRAC_CONST(0.243376962044711) }, + { FRAC_CONST(0.969130136772239), FRAC_CONST(0.246549747515226) }, + { FRAC_CONST(0.968318116747721), FRAC_CONST(0.249719892636022) }, + { FRAC_CONST(0.967495726814114), FRAC_CONST(0.252887363457390) }, + { FRAC_CONST(0.966662975778551), FRAC_CONST(0.256052126058264) }, + { FRAC_CONST(0.965819872559127), FRAC_CONST(0.259214146546579) }, + { FRAC_CONST(0.964966426184802), FRAC_CONST(0.262373391059634) }, + { FRAC_CONST(0.964102645795299), FRAC_CONST(0.265529825764461) }, + { FRAC_CONST(0.963228540641012), FRAC_CONST(0.268683416858178) }, + { FRAC_CONST(0.962344120082907), FRAC_CONST(0.271834130568359) }, + { FRAC_CONST(0.961449393592416), FRAC_CONST(0.274981933153391) }, + { FRAC_CONST(0.960544370751341), FRAC_CONST(0.278126790902837) }, + { FRAC_CONST(0.959629061251750), FRAC_CONST(0.281268670137799) }, + { FRAC_CONST(0.958703474895872), FRAC_CONST(0.284407537211272) }, + { FRAC_CONST(0.957767621595993), FRAC_CONST(0.287543358508512) }, + { FRAC_CONST(0.956821511374351), FRAC_CONST(0.290676100447394) }, + { FRAC_CONST(0.955865154363025), FRAC_CONST(0.293805729478766) }, + { FRAC_CONST(0.954898560803832), FRAC_CONST(0.296932212086818) }, + { FRAC_CONST(0.953921741048211), FRAC_CONST(0.300055514789431) }, + { FRAC_CONST(0.952934705557117), FRAC_CONST(0.303175604138543) }, + { FRAC_CONST(0.951937464900908), FRAC_CONST(0.306292446720504) }, + { FRAC_CONST(0.950930029759229), FRAC_CONST(0.309406009156434) }, + { FRAC_CONST(0.949912410920903), FRAC_CONST(0.312516258102580) }, + { FRAC_CONST(0.948884619283808), FRAC_CONST(0.315623160250676) }, + { FRAC_CONST(0.947846665854767), FRAC_CONST(0.318726682328294) }, + { FRAC_CONST(0.946798561749429), FRAC_CONST(0.321826791099207) }, + { FRAC_CONST(0.945740318192145), FRAC_CONST(0.324923453363742) }, + { FRAC_CONST(0.944671946515855), FRAC_CONST(0.328016635959131) }, + { FRAC_CONST(0.943593458161960), FRAC_CONST(0.331106305759876) }, + { FRAC_CONST(0.942504864680205), FRAC_CONST(0.334192429678095) }, + { FRAC_CONST(0.941406177728551), FRAC_CONST(0.337274974663880) }, + { FRAC_CONST(0.940297409073052), FRAC_CONST(0.340353907705650) }, + { FRAC_CONST(0.939178570587730), FRAC_CONST(0.343429195830507) }, + { FRAC_CONST(0.938049674254446), FRAC_CONST(0.346500806104585) }, + { FRAC_CONST(0.936910732162774), FRAC_CONST(0.349568705633406) }, + { FRAC_CONST(0.935761756509868), FRAC_CONST(0.352632861562230) }, + { FRAC_CONST(0.934602759600334), FRAC_CONST(0.355693241076410) }, + { FRAC_CONST(0.933433753846097), FRAC_CONST(0.358749811401739) }, + { FRAC_CONST(0.932254751766271), FRAC_CONST(0.361802539804806) }, + { FRAC_CONST(0.931065765987021), FRAC_CONST(0.364851393593340) }, + { FRAC_CONST(0.929866809241428), FRAC_CONST(0.367896340116568) }, + { FRAC_CONST(0.928657894369357), FRAC_CONST(0.370937346765559) }, + { FRAC_CONST(0.927439034317314), FRAC_CONST(0.373974380973575) }, + { FRAC_CONST(0.926210242138311), FRAC_CONST(0.377007410216418) }, + { FRAC_CONST(0.924971530991726), FRAC_CONST(0.380036402012783) }, + { FRAC_CONST(0.923722914143160), FRAC_CONST(0.383061323924602) }, + { FRAC_CONST(0.922464404964295), FRAC_CONST(0.386082143557389) }, + { FRAC_CONST(0.921196016932755), FRAC_CONST(0.389098828560595) }, + { FRAC_CONST(0.919917763631956), FRAC_CONST(0.392111346627946) }, + { FRAC_CONST(0.918629658750963), FRAC_CONST(0.395119665497795) }, + { FRAC_CONST(0.917331716084346), FRAC_CONST(0.398123752953462) }, + { FRAC_CONST(0.916023949532027), FRAC_CONST(0.401123576823585) }, + { FRAC_CONST(0.914706373099136), FRAC_CONST(0.404119104982459) }, + { FRAC_CONST(0.913379000895858), FRAC_CONST(0.407110305350386) }, + { FRAC_CONST(0.912041847137282), FRAC_CONST(0.410097145894012) }, + { FRAC_CONST(0.910694926143251), FRAC_CONST(0.413079594626675) }, + { FRAC_CONST(0.909338252338207), FRAC_CONST(0.416057619608744) }, + { FRAC_CONST(0.907971840251037), FRAC_CONST(0.419031188947965) }, + { FRAC_CONST(0.906595704514915), FRAC_CONST(0.422000270799800) }, + { FRAC_CONST(0.905209859867151), FRAC_CONST(0.424964833367766) }, + { FRAC_CONST(0.903814321149027), FRAC_CONST(0.427924844903780) }, + { FRAC_CONST(0.902409103305641), FRAC_CONST(0.430880273708497) }, + { FRAC_CONST(0.900994221385748), FRAC_CONST(0.433831088131649) }, + { FRAC_CONST(0.899569690541596), FRAC_CONST(0.436777256572384) }, + { FRAC_CONST(0.898135526028766), FRAC_CONST(0.439718747479604) }, + { FRAC_CONST(0.896691743206008), FRAC_CONST(0.442655529352306) }, + { FRAC_CONST(0.895238357535076), FRAC_CONST(0.445587570739915) }, + { FRAC_CONST(0.893775384580563), FRAC_CONST(0.448514840242624) }, + { FRAC_CONST(0.892302840009734), FRAC_CONST(0.451437306511726) }, + { FRAC_CONST(0.890820739592359), FRAC_CONST(0.454354938249958) }, + { FRAC_CONST(0.889329099200541), FRAC_CONST(0.457267704211826) }, + { FRAC_CONST(0.887827934808551), FRAC_CONST(0.460175573203949) }, + { FRAC_CONST(0.886317262492655), FRAC_CONST(0.463078514085383) }, + { FRAC_CONST(0.884797098430938), FRAC_CONST(0.465976495767966) }, + { FRAC_CONST(0.883267458903136), FRAC_CONST(0.468869487216642) }, + { FRAC_CONST(0.881728360290461), FRAC_CONST(0.471757457449795) }, + { FRAC_CONST(0.880179819075421), FRAC_CONST(0.474640375539586) }, + { FRAC_CONST(0.878621851841649), FRAC_CONST(0.477518210612278) }, + { FRAC_CONST(0.877054475273722), FRAC_CONST(0.480390931848569) }, + { FRAC_CONST(0.875477706156984), FRAC_CONST(0.483258508483922) }, + { FRAC_CONST(0.873891561377366), FRAC_CONST(0.486120909808896) }, + { FRAC_CONST(0.872296057921204), FRAC_CONST(0.488978105169472) }, + { FRAC_CONST(0.870691212875058), FRAC_CONST(0.491830063967383) }, + { FRAC_CONST(0.869077043425529), FRAC_CONST(0.494676755660442) }, + { FRAC_CONST(0.867453566859076), FRAC_CONST(0.497518149762867) }, + { FRAC_CONST(0.865820800561827), FRAC_CONST(0.500354215845611) }, + { FRAC_CONST(0.864178762019399), FRAC_CONST(0.503184923536685) }, + { FRAC_CONST(0.862527468816704), FRAC_CONST(0.506010242521482) }, + { FRAC_CONST(0.860866938637767), FRAC_CONST(0.508830142543107) }, + { FRAC_CONST(0.859197189265532), FRAC_CONST(0.511644593402696) }, + { FRAC_CONST(0.857518238581672), FRAC_CONST(0.514453564959741) }, + { FRAC_CONST(0.855830104566401), FRAC_CONST(0.517257027132414) }, + { FRAC_CONST(0.854132805298278), FRAC_CONST(0.520054949897887) }, + { FRAC_CONST(0.852426358954015), FRAC_CONST(0.522847303292655) }, + { FRAC_CONST(0.850710783808280), FRAC_CONST(0.525634057412856) }, + { FRAC_CONST(0.848986098233506), FRAC_CONST(0.528415182414593) }, + { FRAC_CONST(0.847252320699689), FRAC_CONST(0.531190648514252) }, + { FRAC_CONST(0.845509469774194), FRAC_CONST(0.533960425988819) }, + { FRAC_CONST(0.843757564121554), FRAC_CONST(0.536724485176205) }, + { FRAC_CONST(0.841996622503271), FRAC_CONST(0.539482796475555) }, + { FRAC_CONST(0.840226663777615), FRAC_CONST(0.542235330347571) }, + { FRAC_CONST(0.838447706899422), FRAC_CONST(0.544982057314827) }, + { FRAC_CONST(0.836659770919891), FRAC_CONST(0.547722947962084) }, + { FRAC_CONST(0.834862874986380), FRAC_CONST(0.550457972936605) }, + { FRAC_CONST(0.833057038342201), FRAC_CONST(0.553187102948470) }, + { FRAC_CONST(0.831242280326413), FRAC_CONST(0.555910308770889) }, + { FRAC_CONST(0.829418620373617), FRAC_CONST(0.558627561240515) }, + { FRAC_CONST(0.827586078013746), FRAC_CONST(0.561338831257758) }, + { FRAC_CONST(0.825744672871856), FRAC_CONST(0.564044089787093) }, + { FRAC_CONST(0.823894424667918), FRAC_CONST(0.566743307857377) }, + { FRAC_CONST(0.822035353216601), FRAC_CONST(0.569436456562150) }, + { FRAC_CONST(0.820167478427070), FRAC_CONST(0.572123507059955) }, + { FRAC_CONST(0.818290820302761), FRAC_CONST(0.574804430574639) }, + { FRAC_CONST(0.816405398941175), FRAC_CONST(0.577479198395666) }, + { FRAC_CONST(0.814511234533661), FRAC_CONST(0.580147781878420) }, + { FRAC_CONST(0.812608347365198), FRAC_CONST(0.582810152444517) }, + { FRAC_CONST(0.810696757814178), FRAC_CONST(0.585466281582107) }, + { FRAC_CONST(0.808776486352191), FRAC_CONST(0.588116140846181) }, + { FRAC_CONST(0.806847553543799), FRAC_CONST(0.590759701858874) }, + { FRAC_CONST(0.804909980046325), FRAC_CONST(0.593396936309773) }, + { FRAC_CONST(0.802963786609623), FRAC_CONST(0.596027815956215) }, + { FRAC_CONST(0.801008994075862), FRAC_CONST(0.598652312623592) }, + { FRAC_CONST(0.799045623379300), FRAC_CONST(0.601270398205654) }, + { FRAC_CONST(0.797073695546059), FRAC_CONST(0.603882044664808) }, + { FRAC_CONST(0.795093231693901), FRAC_CONST(0.606487224032418) }, + { FRAC_CONST(0.793104253032005), FRAC_CONST(0.609085908409106) }, + { FRAC_CONST(0.791106780860733), FRAC_CONST(0.611678069965050) }, + { FRAC_CONST(0.789100836571407), FRAC_CONST(0.614263680940283) }, + { FRAC_CONST(0.787086441646080), FRAC_CONST(0.616842713644988) }, + { FRAC_CONST(0.785063617657302), FRAC_CONST(0.619415140459796) }, + { FRAC_CONST(0.783032386267894), FRAC_CONST(0.621980933836084) }, + { FRAC_CONST(0.780992769230711), FRAC_CONST(0.624540066296266) }, + { FRAC_CONST(0.778944788388414), FRAC_CONST(0.627092510434089) }, + { FRAC_CONST(0.776888465673232), FRAC_CONST(0.629638238914927) }, + { FRAC_CONST(0.774823823106730), FRAC_CONST(0.632177224476073) }, + { FRAC_CONST(0.772750882799570), FRAC_CONST(0.634709439927031) }, + { FRAC_CONST(0.770669666951277), FRAC_CONST(0.637234858149809) }, + { FRAC_CONST(0.768580197850002), FRAC_CONST(0.639753452099206) }, + { FRAC_CONST(0.766482497872280), FRAC_CONST(0.642265194803105) }, + { FRAC_CONST(0.764376589482793), FRAC_CONST(0.644770059362758) }, + { FRAC_CONST(0.762262495234126), FRAC_CONST(0.647268018953079) }, + { FRAC_CONST(0.760140237766532), FRAC_CONST(0.649759046822928) }, + { FRAC_CONST(0.758009839807683), FRAC_CONST(0.652243116295397) }, + { FRAC_CONST(0.755871324172429), FRAC_CONST(0.654720200768098) }, + { FRAC_CONST(0.753724713762555), FRAC_CONST(0.657190273713446) }, + { FRAC_CONST(0.751570031566534), FRAC_CONST(0.659653308678945) }, + { FRAC_CONST(0.749407300659280), FRAC_CONST(0.662109279287469) }, + { FRAC_CONST(0.747236544201905), FRAC_CONST(0.664558159237545) }, + { FRAC_CONST(0.745057785441466), FRAC_CONST(0.666999922303638) }, + { FRAC_CONST(0.742871047710719), FRAC_CONST(0.669434542336425) }, + { FRAC_CONST(0.740676354427868), FRAC_CONST(0.671861993263083) }, + { FRAC_CONST(0.738473729096316), FRAC_CONST(0.674282249087562) }, + { FRAC_CONST(0.736263195304409), FRAC_CONST(0.676695283890867) }, + { FRAC_CONST(0.734044776725190), FRAC_CONST(0.679101071831334) }, + { FRAC_CONST(0.731818497116138), FRAC_CONST(0.681499587144906) }, + { FRAC_CONST(0.729584380318920), FRAC_CONST(0.683890804145412) }, + { FRAC_CONST(0.727342450259131), FRAC_CONST(0.686274697224838) }, + { FRAC_CONST(0.725092730946042), FRAC_CONST(0.688651240853606) }, + { FRAC_CONST(0.722835246472338), FRAC_CONST(0.691020409580841) }, + { FRAC_CONST(0.720570021013866), FRAC_CONST(0.693382178034651) }, + { FRAC_CONST(0.718297078829369), FRAC_CONST(0.695736520922392) }, + { FRAC_CONST(0.716016444260233), FRAC_CONST(0.698083413030944) }, + { FRAC_CONST(0.713728141730222), FRAC_CONST(0.700422829226978) }, + { FRAC_CONST(0.711432195745216), FRAC_CONST(0.702754744457225) }, + { FRAC_CONST(0.709128630892954), FRAC_CONST(0.705079133748748) }, + { FRAC_CONST(0.706817471842764), FRAC_CONST(0.707395972209203) }, + { FRAC_CONST(0.704498743345302), FRAC_CONST(0.709705235027113) }, + { FRAC_CONST(0.702172470232289), FRAC_CONST(0.712006897472128) }, + { FRAC_CONST(0.699838677416240), FRAC_CONST(0.714300934895292) }, + { FRAC_CONST(0.697497389890200), FRAC_CONST(0.716587322729308) }, + { FRAC_CONST(0.695148632727480), FRAC_CONST(0.718866036488799) }, + { FRAC_CONST(0.692792431081381), FRAC_CONST(0.721137051770570) }, + { FRAC_CONST(0.690428810184929), FRAC_CONST(0.723400344253874) }, + { FRAC_CONST(0.688057795350606), FRAC_CONST(0.725655889700665) }, + { FRAC_CONST(0.685679411970075), FRAC_CONST(0.727903663955865) }, + { FRAC_CONST(0.683293685513912), FRAC_CONST(0.730143642947616) }, + { FRAC_CONST(0.680900641531330), FRAC_CONST(0.732375802687543) }, + { FRAC_CONST(0.678500305649909), FRAC_CONST(0.734600119271009) }, + { FRAC_CONST(0.676092703575316), FRAC_CONST(0.736816568877370) }, + { FRAC_CONST(0.673677861091036), FRAC_CONST(0.739025127770231) }, + { FRAC_CONST(0.671255804058092), FRAC_CONST(0.741225772297702) }, + { FRAC_CONST(0.668826558414768), FRAC_CONST(0.743418478892647) }, + { FRAC_CONST(0.666390150176334), FRAC_CONST(0.745603224072940) }, + { FRAC_CONST(0.663946605434765), FRAC_CONST(0.747779984441716) }, + { FRAC_CONST(0.661495950358462), FRAC_CONST(0.749948736687619) }, + { FRAC_CONST(0.659038211191971), FRAC_CONST(0.752109457585056) }, + { FRAC_CONST(0.656573414255705), FRAC_CONST(0.754262123994441) }, + { FRAC_CONST(0.654101585945659), FRAC_CONST(0.756406712862448) }, + { FRAC_CONST(0.651622752733128), FRAC_CONST(0.758543201222251) }, + { FRAC_CONST(0.649136941164425), FRAC_CONST(0.760671566193777) }, + { FRAC_CONST(0.646644177860593), FRAC_CONST(0.762791784983948) }, + { FRAC_CONST(0.644144489517126), FRAC_CONST(0.764903834886923) }, + { FRAC_CONST(0.641637902903677), FRAC_CONST(0.767007693284345) }, + { FRAC_CONST(0.639124444863776), FRAC_CONST(0.769103337645580) }, + { FRAC_CONST(0.636604142314538), FRAC_CONST(0.771190745527961) }, + { FRAC_CONST(0.634077022246379), FRAC_CONST(0.773269894577026) }, + { FRAC_CONST(0.631543111722725), FRAC_CONST(0.775340762526760) }, + { FRAC_CONST(0.629002437879721), FRAC_CONST(0.777403327199831) }, + { FRAC_CONST(0.626455027925944), FRAC_CONST(0.779457566507828) }, + { FRAC_CONST(0.623900909142107), FRAC_CONST(0.781503458451498) }, + { FRAC_CONST(0.621340108880771), FRAC_CONST(0.783540981120982) }, + { FRAC_CONST(0.618772654566049), FRAC_CONST(0.785570112696050) }, + { FRAC_CONST(0.616198573693314), FRAC_CONST(0.787590831446332) }, + { FRAC_CONST(0.613617893828905), FRAC_CONST(0.789603115731555) }, + { FRAC_CONST(0.611030642609828), FRAC_CONST(0.791606944001769) }, + { FRAC_CONST(0.608436847743468), FRAC_CONST(0.793602294797585) }, + { FRAC_CONST(0.605836537007281), FRAC_CONST(0.795589146750397) }, + { FRAC_CONST(0.603229738248508), FRAC_CONST(0.797567478582619) }, + { FRAC_CONST(0.600616479383869), FRAC_CONST(0.799537269107905) }, + { FRAC_CONST(0.597996788399267), FRAC_CONST(0.801498497231381) }, + { FRAC_CONST(0.595370693349487), FRAC_CONST(0.803451141949871) }, + { FRAC_CONST(0.592738222357898), FRAC_CONST(0.805395182352117) }, + { FRAC_CONST(0.590099403616149), FRAC_CONST(0.807330597619008) }, + { FRAC_CONST(0.587454265383869), FRAC_CONST(0.809257367023803) }, + { FRAC_CONST(0.584802835988364), FRAC_CONST(0.811175469932349) }, + { FRAC_CONST(0.582145143824311), FRAC_CONST(0.813084885803304) }, + { FRAC_CONST(0.579481217353460), FRAC_CONST(0.814985594188359) }, + { FRAC_CONST(0.576811085104321), FRAC_CONST(0.816877574732454) }, + { FRAC_CONST(0.574134775671867), FRAC_CONST(0.818760807173997) }, + { FRAC_CONST(0.571452317717222), FRAC_CONST(0.820635271345081) }, + { FRAC_CONST(0.568763739967354), FRAC_CONST(0.822500947171703) }, + { FRAC_CONST(0.566069071214772), FRAC_CONST(0.824357814673971) }, + { FRAC_CONST(0.563368340317214), FRAC_CONST(0.826205853966327) }, + { FRAC_CONST(0.560661576197336), FRAC_CONST(0.828045045257756) }, + { FRAC_CONST(0.557948807842409), FRAC_CONST(0.829875368851995) }, + { FRAC_CONST(0.555230064304002), FRAC_CONST(0.831696805147750) }, + { FRAC_CONST(0.552505374697674), FRAC_CONST(0.833509334638900) }, + { FRAC_CONST(0.549774768202663), FRAC_CONST(0.835312937914713) }, + { FRAC_CONST(0.547038274061568), FRAC_CONST(0.837107595660044) }, + { FRAC_CONST(0.544295921580046), FRAC_CONST(0.838893288655553) }, + { FRAC_CONST(0.541547740126486), FRAC_CONST(0.840669997777901) }, + { FRAC_CONST(0.538793759131706), FRAC_CONST(0.842437703999961) }, + { FRAC_CONST(0.536034008088628), FRAC_CONST(0.844196388391019) }, + { FRAC_CONST(0.533268516551970), FRAC_CONST(0.845946032116980) }, + { FRAC_CONST(0.530497314137923), FRAC_CONST(0.847686616440563) }, + { FRAC_CONST(0.527720430523840), FRAC_CONST(0.849418122721510) }, + { FRAC_CONST(0.524937895447912), FRAC_CONST(0.851140532416778) }, + { FRAC_CONST(0.522149738708856), FRAC_CONST(0.852853827080745) }, + { FRAC_CONST(0.519355990165590), FRAC_CONST(0.854557988365401) }, + { FRAC_CONST(0.516556679736915), FRAC_CONST(0.856252998020546) }, + { FRAC_CONST(0.513751837401199), FRAC_CONST(0.857938837893991) }, + { FRAC_CONST(0.510941493196049), FRAC_CONST(0.859615489931744) }, + { FRAC_CONST(0.508125677217994), FRAC_CONST(0.861282936178208) }, + { FRAC_CONST(0.505304419622159), FRAC_CONST(0.862941158776375) }, + { FRAC_CONST(0.502477750621949), FRAC_CONST(0.864590139968012) }, + { FRAC_CONST(0.499645700488717), FRAC_CONST(0.866229862093855) }, + { FRAC_CONST(0.496808299551444), FRAC_CONST(0.867860307593799) }, + { FRAC_CONST(0.493965578196415), FRAC_CONST(0.869481459007080) }, + { FRAC_CONST(0.491117566866892), FRAC_CONST(0.871093298972471) }, + { FRAC_CONST(0.488264296062789), FRAC_CONST(0.872695810228461) }, + { FRAC_CONST(0.485405796340343), FRAC_CONST(0.874288975613440) }, + { FRAC_CONST(0.482542098311789), FRAC_CONST(0.875872778065888) }, + { FRAC_CONST(0.479673232645033), FRAC_CONST(0.877447200624553) }, + { FRAC_CONST(0.476799230063322), FRAC_CONST(0.879012226428633) }, + { FRAC_CONST(0.473920121344914), FRAC_CONST(0.880567838717962) }, + { FRAC_CONST(0.471035937322751), FRAC_CONST(0.882114020833179) }, + { FRAC_CONST(0.468146708884125), FRAC_CONST(0.883650756215917) }, + { FRAC_CONST(0.465252466970353), FRAC_CONST(0.885178028408975) }, + { FRAC_CONST(0.462353242576441), FRAC_CONST(0.886695821056495) }, + { FRAC_CONST(0.459449066750752), FRAC_CONST(0.888204117904136) }, + { FRAC_CONST(0.456539970594675), FRAC_CONST(0.889702902799251) }, + { FRAC_CONST(0.453625985262295), FRAC_CONST(0.891192159691058) }, + { FRAC_CONST(0.450707141960053), FRAC_CONST(0.892671872630812) }, + { FRAC_CONST(0.447783471946415), FRAC_CONST(0.894142025771977) }, + { FRAC_CONST(0.444855006531538), FRAC_CONST(0.895602603370393) }, + { FRAC_CONST(0.441921777076935), FRAC_CONST(0.897053589784447) }, + { FRAC_CONST(0.438983814995137), FRAC_CONST(0.898494969475242) }, + { FRAC_CONST(0.436041151749356), FRAC_CONST(0.899926727006758) }, + { FRAC_CONST(0.433093818853152), FRAC_CONST(0.901348847046022) }, + { FRAC_CONST(0.430141847870093), FRAC_CONST(0.902761314363272) }, + { FRAC_CONST(0.427185270413416), FRAC_CONST(0.904164113832116) }, + { FRAC_CONST(0.424224118145690), FRAC_CONST(0.905557230429701) }, + { FRAC_CONST(0.421258422778478), FRAC_CONST(0.906940649236866) }, + { FRAC_CONST(0.418288216071994), FRAC_CONST(0.908314355438308) }, + { FRAC_CONST(0.415313529834766), FRAC_CONST(0.909678334322736) }, + { FRAC_CONST(0.412334395923293), FRAC_CONST(0.911032571283032) }, + { FRAC_CONST(0.409350846241706), FRAC_CONST(0.912377051816407) }, + { FRAC_CONST(0.406362912741425), FRAC_CONST(0.913711761524555) }, + { FRAC_CONST(0.403370627420818), FRAC_CONST(0.915036686113806) }, + { FRAC_CONST(0.400374022324857), FRAC_CONST(0.916351811395282) }, + { FRAC_CONST(0.397373129544774), FRAC_CONST(0.917657123285050) }, + { FRAC_CONST(0.394367981217720), FRAC_CONST(0.918952607804266) }, + { FRAC_CONST(0.391358609526420), FRAC_CONST(0.920238251079332) }, + { FRAC_CONST(0.388345046698826), FRAC_CONST(0.921514039342042) }, + { FRAC_CONST(0.385327325007776), FRAC_CONST(0.922779958929729) }, + { FRAC_CONST(0.382305476770645), FRAC_CONST(0.924035996285410) }, + { FRAC_CONST(0.379279534348999), FRAC_CONST(0.925282137957935) }, + { FRAC_CONST(0.376249530148250), FRAC_CONST(0.926518370602127) }, + { FRAC_CONST(0.373215496617310), FRAC_CONST(0.927744680978929) }, + { FRAC_CONST(0.370177466248239), FRAC_CONST(0.928961055955541) }, + { FRAC_CONST(0.367135471575903), FRAC_CONST(0.930167482505564) }, + { FRAC_CONST(0.364089545177621), FRAC_CONST(0.931363947709140) }, + { FRAC_CONST(0.361039719672816), FRAC_CONST(0.932550438753087) }, + { FRAC_CONST(0.357986027722671), FRAC_CONST(0.933726942931039) }, + { FRAC_CONST(0.354928502029772), FRAC_CONST(0.934893447643582) }, + { FRAC_CONST(0.351867175337763), FRAC_CONST(0.936049940398387) }, + { FRAC_CONST(0.348802080430994), FRAC_CONST(0.937196408810347) }, + { FRAC_CONST(0.345733250134169), FRAC_CONST(0.938332840601705) }, + { FRAC_CONST(0.342660717311994), FRAC_CONST(0.939459223602190) }, + { FRAC_CONST(0.339584514868829), FRAC_CONST(0.940575545749145) }, + { FRAC_CONST(0.336504675748328), FRAC_CONST(0.941681795087657) }, + { FRAC_CONST(0.333421232933097), FRAC_CONST(0.942777959770684) }, + { FRAC_CONST(0.330334219444328), FRAC_CONST(0.943864028059183) }, + { FRAC_CONST(0.327243668341457), FRAC_CONST(0.944939988322235) }, + { FRAC_CONST(0.324149612721804), FRAC_CONST(0.946005829037171) }, + { FRAC_CONST(0.321052085720218), FRAC_CONST(0.947061538789691) }, + { FRAC_CONST(0.317951120508725), FRAC_CONST(0.948107106273994) }, + { FRAC_CONST(0.314846750296171), FRAC_CONST(0.949142520292891) }, + { FRAC_CONST(0.311739008327867), FRAC_CONST(0.950167769757930) }, + { FRAC_CONST(0.308627927885232), FRAC_CONST(0.951182843689513) }, + { FRAC_CONST(0.305513542285440), FRAC_CONST(0.952187731217013) }, + { FRAC_CONST(0.302395884881056), FRAC_CONST(0.953182421578893) }, + { FRAC_CONST(0.299274989059689), FRAC_CONST(0.954166904122818) }, + { FRAC_CONST(0.296150888243624), FRAC_CONST(0.955141168305771) }, + { FRAC_CONST(0.293023615889471), FRAC_CONST(0.956105203694164) }, + { FRAC_CONST(0.289893205487806), FRAC_CONST(0.957058999963955) }, + { FRAC_CONST(0.286759690562807), FRAC_CONST(0.958002546900750) }, + { FRAC_CONST(0.283623104671904), FRAC_CONST(0.958935834399920) }, + { FRAC_CONST(0.280483481405410), FRAC_CONST(0.959858852466706) }, + { FRAC_CONST(0.277340854386169), FRAC_CONST(0.960771591216325) }, + { FRAC_CONST(0.274195257269191), FRAC_CONST(0.961674040874080) }, + { FRAC_CONST(0.271046723741295), FRAC_CONST(0.962566191775459) }, + { FRAC_CONST(0.267895287520743), FRAC_CONST(0.963448034366243) }, + { FRAC_CONST(0.264740982356888), FRAC_CONST(0.964319559202607) }, + { FRAC_CONST(0.261583842029803), FRAC_CONST(0.965180756951218) }, + { FRAC_CONST(0.258423900349924), FRAC_CONST(0.966031618389343) }, + { FRAC_CONST(0.255261191157689), FRAC_CONST(0.966872134404937) }, + { FRAC_CONST(0.252095748323171), FRAC_CONST(0.967702295996750) }, + { FRAC_CONST(0.248927605745720), FRAC_CONST(0.968522094274417) }, + { FRAC_CONST(0.245756797353599), FRAC_CONST(0.969331520458559) }, + { FRAC_CONST(0.242583357103617), FRAC_CONST(0.970130565880871) }, + { FRAC_CONST(0.239407318980770), FRAC_CONST(0.970919221984218) }, + { FRAC_CONST(0.236228716997876), FRAC_CONST(0.971697480322728) }, + { FRAC_CONST(0.233047585195206), FRAC_CONST(0.972465332561878) }, + { FRAC_CONST(0.229863957640129), FRAC_CONST(0.973222770478587) }, + { FRAC_CONST(0.226677868426735), FRAC_CONST(0.973969785961306) }, + { FRAC_CONST(0.223489351675482), FRAC_CONST(0.974706371010097) }, + { FRAC_CONST(0.220298441532823), FRAC_CONST(0.975432517736727) }, + { FRAC_CONST(0.217105172170841), FRAC_CONST(0.976148218364747) }, + { FRAC_CONST(0.213909577786886), FRAC_CONST(0.976853465229579) }, + { FRAC_CONST(0.210711692603206), FRAC_CONST(0.977548250778596) }, + { FRAC_CONST(0.207511550866582), FRAC_CONST(0.978232567571202) }, + { FRAC_CONST(0.204309186847962), FRAC_CONST(0.978906408278914) }, + { FRAC_CONST(0.201104634842092), FRAC_CONST(0.979569765685441) }, + { FRAC_CONST(0.197897929167148), FRAC_CONST(0.980222632686756) }, + { FRAC_CONST(0.194689104164373), FRAC_CONST(0.980865002291179) }, + { FRAC_CONST(0.191478194197704), FRAC_CONST(0.981496867619447) }, + { FRAC_CONST(0.188265233653407), FRAC_CONST(0.982118221904791) }, + { FRAC_CONST(0.185050256939710), FRAC_CONST(0.982729058493005) }, + { FRAC_CONST(0.181833298486427), FRAC_CONST(0.983329370842520) }, + { FRAC_CONST(0.178614392744603), FRAC_CONST(0.983919152524473) }, + { FRAC_CONST(0.175393574186129), FRAC_CONST(0.984498397222776) }, + { FRAC_CONST(0.172170877303385), FRAC_CONST(0.985067098734184) }, + { FRAC_CONST(0.168946336608867), FRAC_CONST(0.985625250968360) }, + { FRAC_CONST(0.165719986634814), FRAC_CONST(0.986172847947943) }, + { FRAC_CONST(0.162491861932842), FRAC_CONST(0.986709883808609) }, + { FRAC_CONST(0.159261997073573), FRAC_CONST(0.987236352799134) }, + { FRAC_CONST(0.156030426646266), FRAC_CONST(0.987752249281460) }, + { FRAC_CONST(0.152797185258443), FRAC_CONST(0.988257567730749) }, + { FRAC_CONST(0.149562307535523), FRAC_CONST(0.988752302735447) }, + { FRAC_CONST(0.146325828120446), FRAC_CONST(0.989236448997339) }, + { FRAC_CONST(0.143087781673307), FRAC_CONST(0.989710001331608) }, + { FRAC_CONST(0.139848202870981), FRAC_CONST(0.990172954666889) }, + { FRAC_CONST(0.136607126406757), FRAC_CONST(0.990625304045323) }, + { FRAC_CONST(0.133364586989957), FRAC_CONST(0.991067044622612) }, + { FRAC_CONST(0.130120619345575), FRAC_CONST(0.991498171668069) }, + { FRAC_CONST(0.126875258213898), FRAC_CONST(0.991918680564670) }, + { FRAC_CONST(0.123628538350136), FRAC_CONST(0.992328566809103) }, + { FRAC_CONST(0.120380494524051), FRAC_CONST(0.992727826011815) }, + { FRAC_CONST(0.117131161519582), FRAC_CONST(0.993116453897061) }, + { FRAC_CONST(0.113880574134475), FRAC_CONST(0.993494446302948) }, + { FRAC_CONST(0.110628767179910), FRAC_CONST(0.993861799181482) }, + { FRAC_CONST(0.107375775480128), FRAC_CONST(0.994218508598608) }, + { FRAC_CONST(0.104121633872055), FRAC_CONST(0.994564570734255) }, + { FRAC_CONST(0.100866377204933), FRAC_CONST(0.994899981882376) }, + { FRAC_CONST(0.097610040339947), FRAC_CONST(0.995224738450986) }, + { FRAC_CONST(0.094352658149849), FRAC_CONST(0.995538836962204) }, + { FRAC_CONST(0.091094265518583), FRAC_CONST(0.995842274052287) }, + { FRAC_CONST(0.087834897340919), FRAC_CONST(0.996135046471667) }, + { FRAC_CONST(0.084574588522070), FRAC_CONST(0.996417151084987) }, + { FRAC_CONST(0.081313373977324), FRAC_CONST(0.996688584871134) }, + { FRAC_CONST(0.078051288631670), FRAC_CONST(0.996949344923269) }, + { FRAC_CONST(0.074788367419420), FRAC_CONST(0.997199428448862) }, + { FRAC_CONST(0.071524645283840), FRAC_CONST(0.997438832769720) }, + { FRAC_CONST(0.068260157176771), FRAC_CONST(0.997667555322013) }, + { FRAC_CONST(0.064994938058259), FRAC_CONST(0.997885593656308) }, + { FRAC_CONST(0.061729022896176), FRAC_CONST(0.998092945437590) }, + { FRAC_CONST(0.058462446665851), FRAC_CONST(0.998289608445286) }, + { FRAC_CONST(0.055195244349690), FRAC_CONST(0.998475580573295) }, + { FRAC_CONST(0.051927450936806), FRAC_CONST(0.998650859830004) }, + { FRAC_CONST(0.048659101422640), FRAC_CONST(0.998815444338313) }, + { FRAC_CONST(0.045390230808591), FRAC_CONST(0.998969332335654) }, + { FRAC_CONST(0.042120874101635), FRAC_CONST(0.999112522174011) }, + { FRAC_CONST(0.038851066313958), FRAC_CONST(0.999245012319936) }, + { FRAC_CONST(0.035580842462574), FRAC_CONST(0.999366801354564) }, + { FRAC_CONST(0.032310237568951), FRAC_CONST(0.999477887973635) }, + { FRAC_CONST(0.029039286658643), FRAC_CONST(0.999578270987499) }, + { FRAC_CONST(0.025768024760904), FRAC_CONST(0.999667949321134) }, + { FRAC_CONST(0.022496486908322), FRAC_CONST(0.999746922014158) }, + { FRAC_CONST(0.019224708136438), FRAC_CONST(0.999815188220837) }, + { FRAC_CONST(0.015952723483375), FRAC_CONST(0.999872747210095) }, + { FRAC_CONST(0.012680567989461), FRAC_CONST(0.999919598365521) }, + { FRAC_CONST(0.009408276696850), FRAC_CONST(0.999955741185376) }, + { FRAC_CONST(0.006135884649155), FRAC_CONST(0.999981175282601) }, + { FRAC_CONST(0.002863426891064), FRAC_CONST(0.999995900384816) } + }; + +#ifdef LD_DEC + /* 240 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_960[] = { + { FRAC_CONST(0.999999665337326), FRAC_CONST(0.000818122995607) }, + { FRAC_CONST(0.999972892444367), FRAC_CONST(0.007363041249780) }, + { FRAC_CONST(0.999903284040864), FRAC_CONST(0.013907644095771) }, + { FRAC_CONST(0.999790843108610), FRAC_CONST(0.020451651184577) }, + { FRAC_CONST(0.999635574464198), FRAC_CONST(0.026994782192715) }, + { FRAC_CONST(0.999437484758823), FRAC_CONST(0.033536756834230) }, + { FRAC_CONST(0.999196582477986), FRAC_CONST(0.040077294872701) }, + { FRAC_CONST(0.998912877941140), FRAC_CONST(0.046616116133247) }, + { FRAC_CONST(0.998586383301244), FRAC_CONST(0.053152940514528) }, + { FRAC_CONST(0.998217112544241), FRAC_CONST(0.059687488000744) }, + { FRAC_CONST(0.997805081488460), FRAC_CONST(0.066219478673630) }, + { FRAC_CONST(0.997350307783942), FRAC_CONST(0.072748632724445) }, + { FRAC_CONST(0.996852810911678), FRAC_CONST(0.079274670465961) }, + { FRAC_CONST(0.996312612182778), FRAC_CONST(0.085797312344440) }, + { FRAC_CONST(0.995729734737558), FRAC_CONST(0.092316278951614) }, + { FRAC_CONST(0.995104203544548), FRAC_CONST(0.098831291036650) }, + { FRAC_CONST(0.994436045399422), FRAC_CONST(0.105342069518114) }, + { FRAC_CONST(0.993725288923851), FRAC_CONST(0.111848335495926) }, + { FRAC_CONST(0.992971964564277), FRAC_CONST(0.118349810263305) }, + { FRAC_CONST(0.992176104590608), FRAC_CONST(0.124846215318711) }, + { FRAC_CONST(0.991337743094838), FRAC_CONST(0.131337272377774) }, + { FRAC_CONST(0.990456915989581), FRAC_CONST(0.137822703385212) }, + { FRAC_CONST(0.989533661006540), FRAC_CONST(0.144302230526747) }, + { FRAC_CONST(0.988568017694885), FRAC_CONST(0.150775576241001) }, + { FRAC_CONST(0.987560027419562), FRAC_CONST(0.157242463231389) }, + { FRAC_CONST(0.986509733359519), FRAC_CONST(0.163702614477995) }, + { FRAC_CONST(0.985417180505858), FRAC_CONST(0.170155753249442) }, + { FRAC_CONST(0.984282415659907), FRAC_CONST(0.176601603114742) }, + { FRAC_CONST(0.983105487431216), FRAC_CONST(0.183039887955141) }, + { FRAC_CONST(0.981886446235473), FRAC_CONST(0.189470331975943) }, + { FRAC_CONST(0.980625344292344), FRAC_CONST(0.195892659718330) }, + { FRAC_CONST(0.979322235623241), FRAC_CONST(0.202306596071156) }, + { FRAC_CONST(0.977977176049000), FRAC_CONST(0.208711866282735) }, + { FRAC_CONST(0.976590223187499), FRAC_CONST(0.215108195972610) }, + { FRAC_CONST(0.975161436451181), FRAC_CONST(0.221495311143304) }, + { FRAC_CONST(0.973690877044515), FRAC_CONST(0.227872938192063) }, + { FRAC_CONST(0.972178607961371), FRAC_CONST(0.234240803922570) }, + { FRAC_CONST(0.970624693982323), FRAC_CONST(0.240598635556650) }, + { FRAC_CONST(0.969029201671875), FRAC_CONST(0.246946160745958) }, + { FRAC_CONST(0.967392199375607), FRAC_CONST(0.253283107583640) }, + { FRAC_CONST(0.965713757217249), FRAC_CONST(0.259609204615985) }, + { FRAC_CONST(0.963993947095677), FRAC_CONST(0.265924180854051) }, + { FRAC_CONST(0.962232842681832), FRAC_CONST(0.272227765785273) }, + { FRAC_CONST(0.960430519415566), FRAC_CONST(0.278519689385053) }, + { FRAC_CONST(0.958587054502409), FRAC_CONST(0.284799682128326) }, + { FRAC_CONST(0.956702526910263), FRAC_CONST(0.291067475001103) }, + { FRAC_CONST(0.954777017366017), FRAC_CONST(0.297322799511998) }, + { FRAC_CONST(0.952810608352092), FRAC_CONST(0.303565387703730) }, + { FRAC_CONST(0.950803384102905), FRAC_CONST(0.309794972164597) }, + { FRAC_CONST(0.948755430601263), FRAC_CONST(0.316011286039934) }, + { FRAC_CONST(0.946666835574676), FRAC_CONST(0.322214063043544) }, + { FRAC_CONST(0.944537688491606), FRAC_CONST(0.328403037469105) }, + { FRAC_CONST(0.942368080557626), FRAC_CONST(0.334577944201551) }, + { FRAC_CONST(0.940158104711519), FRAC_CONST(0.340738518728429) }, + { FRAC_CONST(0.937907855621296), FRAC_CONST(0.346884497151231) }, + { FRAC_CONST(0.935617429680138), FRAC_CONST(0.353015616196696) }, + { FRAC_CONST(0.933286925002268), FRAC_CONST(0.359131613228090) }, + { FRAC_CONST(0.930916441418752), FRAC_CONST(0.365232226256457) }, + { FRAC_CONST(0.928506080473216), FRAC_CONST(0.371317193951838) }, + { FRAC_CONST(0.926055945417500), FRAC_CONST(0.377386255654469) }, + { FRAC_CONST(0.923566141207236), FRAC_CONST(0.383439151385947) }, + { FRAC_CONST(0.921036774497350), FRAC_CONST(0.389475621860365) }, + { FRAC_CONST(0.918467953637492), FRAC_CONST(0.395495408495417) }, + { FRAC_CONST(0.915859788667400), FRAC_CONST(0.401498253423481) }, + { FRAC_CONST(0.913212391312179), FRAC_CONST(0.407483899502658) }, + { FRAC_CONST(0.910525874977521), FRAC_CONST(0.413452090327791) }, + { FRAC_CONST(0.907800354744844), FRAC_CONST(0.419402570241451) }, + { FRAC_CONST(0.905035947366364), FRAC_CONST(0.425335084344881) }, + { FRAC_CONST(0.902232771260093), FRAC_CONST(0.431249378508924) }, + { FRAC_CONST(0.899390946504764), FRAC_CONST(0.437145199384900) }, + { FRAC_CONST(0.896510594834693), FRAC_CONST(0.443022294415467) }, + { FRAC_CONST(0.893591839634558), FRAC_CONST(0.448880411845433) }, + { FRAC_CONST(0.890634805934118), FRAC_CONST(0.454719300732547) }, + { FRAC_CONST(0.887639620402854), FRAC_CONST(0.460538710958240) }, + { FRAC_CONST(0.884606411344546), FRAC_CONST(0.466338393238348) }, + { FRAC_CONST(0.881535308691775), FRAC_CONST(0.472118099133784) }, + { FRAC_CONST(0.878426444000357), FRAC_CONST(0.477877581061184) }, + { FRAC_CONST(0.875279950443708), FRAC_CONST(0.483616592303511) }, + { FRAC_CONST(0.872095962807140), FRAC_CONST(0.489334887020625) }, + { FRAC_CONST(0.868874617482085), FRAC_CONST(0.495032220259813) }, + { FRAC_CONST(0.865616052460258), FRAC_CONST(0.500708347966279) }, + { FRAC_CONST(0.862320407327736), FRAC_CONST(0.506363026993605) }, + { FRAC_CONST(0.858987823258990), FRAC_CONST(0.511996015114162) }, + { FRAC_CONST(0.855618443010829), FRAC_CONST(0.517607071029487) }, + { FRAC_CONST(0.852212410916289), FRAC_CONST(0.523195954380619) }, + { FRAC_CONST(0.848769872878448), FRAC_CONST(0.528762425758396) }, + { FRAC_CONST(0.845290976364179), FRAC_CONST(0.534306246713712) }, + { FRAC_CONST(0.841775870397828), FRAC_CONST(0.539827179767727) }, + { FRAC_CONST(0.838224705554838), FRAC_CONST(0.545324988422046) }, + { FRAC_CONST(0.834637633955290), FRAC_CONST(0.550799437168844) }, + { FRAC_CONST(0.831014809257393), FRAC_CONST(0.556250291500956) }, + { FRAC_CONST(0.827356386650900), FRAC_CONST(0.561677317921925) }, + { FRAC_CONST(0.823662522850458), FRAC_CONST(0.567080283956001) }, + { FRAC_CONST(0.819933376088899), FRAC_CONST(0.572458958158102) }, + { FRAC_CONST(0.816169106110459), FRAC_CONST(0.577813110123727) }, + { FRAC_CONST(0.812369874163934), FRAC_CONST(0.583142510498826) }, + { FRAC_CONST(0.808535842995778), FRAC_CONST(0.588446930989624) }, + { FRAC_CONST(0.804667176843123), FRAC_CONST(0.593726144372402) }, + { FRAC_CONST(0.800764041426753), FRAC_CONST(0.598979924503229) }, + { FRAC_CONST(0.796826603943998), FRAC_CONST(0.604208046327650) }, + { FRAC_CONST(0.792855033061574), FRAC_CONST(0.609410285890327) }, + { FRAC_CONST(0.788849498908361), FRAC_CONST(0.614586420344631) }, + { FRAC_CONST(0.784810173068109), FRAC_CONST(0.619736227962191) }, + { FRAC_CONST(0.780737228572094), FRAC_CONST(0.624859488142386) }, + { FRAC_CONST(0.776630839891703), FRAC_CONST(0.629955981421804) }, + { FRAC_CONST(0.772491182930959), FRAC_CONST(0.635025489483633) }, + { FRAC_CONST(0.768318435018988), FRAC_CONST(0.640067795167023) }, + { FRAC_CONST(0.764112774902423), FRAC_CONST(0.645082682476378) }, + { FRAC_CONST(0.759874382737746), FRAC_CONST(0.650069936590618) }, + { FRAC_CONST(0.755603440083571), FRAC_CONST(0.655029343872374) }, + { FRAC_CONST(0.751300129892866), FRAC_CONST(0.659960691877147) }, + { FRAC_CONST(0.746964636505118), FRAC_CONST(0.664863769362399) }, + { FRAC_CONST(0.742597145638433), FRAC_CONST(0.669738366296610) }, + { FRAC_CONST(0.738197844381584), FRAC_CONST(0.674584273868271) }, + { FRAC_CONST(0.733766921185995), FRAC_CONST(0.679401284494831) }, + { FRAC_CONST(0.729304565857668), FRAC_CONST(0.684189191831585) }, + { FRAC_CONST(0.724810969549055), FRAC_CONST(0.688947790780520) }, + { FRAC_CONST(0.720286324750863), FRAC_CONST(0.693676877499095) }, + { FRAC_CONST(0.715730825283819), FRAC_CONST(0.698376249408973) }, + { FRAC_CONST(0.711144666290356), FRAC_CONST(0.703045705204703) }, + { FRAC_CONST(0.706528044226263), FRAC_CONST(0.707685044862340) }, + { FRAC_CONST(0.701881156852263), FRAC_CONST(0.712294069648014) }, + { FRAC_CONST(0.697204203225545), FRAC_CONST(0.716872582126442) }, + { FRAC_CONST(0.692497383691237), FRAC_CONST(0.721420386169390) }, + { FRAC_CONST(0.687760899873822), FRAC_CONST(0.725937286964068) }, + { FRAC_CONST(0.682994954668502), FRAC_CONST(0.730423091021479) }, + { FRAC_CONST(0.678199752232508), FRAC_CONST(0.734877606184707) }, + { FRAC_CONST(0.673375497976352), FRAC_CONST(0.739300641637149) }, + { FRAC_CONST(0.668522398555031), FRAC_CONST(0.743692007910687) }, + { FRAC_CONST(0.663640661859171), FRAC_CONST(0.748051516893805) }, + { FRAC_CONST(0.658730497006124), FRAC_CONST(0.752378981839648) }, + { FRAC_CONST(0.653792114331011), FRAC_CONST(0.756674217374021) }, + { FRAC_CONST(0.648825725377709), FRAC_CONST(0.760937039503328) }, + { FRAC_CONST(0.643831542889792), FRAC_CONST(0.765167265622459) }, + { FRAC_CONST(0.638809780801414), FRAC_CONST(0.769364714522605) }, + { FRAC_CONST(0.633760654228152), FRAC_CONST(0.773529206399025) }, + { FRAC_CONST(0.628684379457781), FRAC_CONST(0.777660562858748) }, + { FRAC_CONST(0.623581173941019), FRAC_CONST(0.781758606928213) }, + { FRAC_CONST(0.618451256282204), FRAC_CONST(0.785823163060853) }, + { FRAC_CONST(0.613294846229936), FRAC_CONST(0.789854057144609) }, + { FRAC_CONST(0.608112164667659), FRAC_CONST(0.793851116509396) }, + { FRAC_CONST(0.602903433604202), FRAC_CONST(0.797814169934493) }, + { FRAC_CONST(0.597668876164268), FRAC_CONST(0.801743047655882) }, + { FRAC_CONST(0.592408716578875), FRAC_CONST(0.805637581373517) }, + { FRAC_CONST(0.587123180175754), FRAC_CONST(0.809497604258536) }, + { FRAC_CONST(0.581812493369691), FRAC_CONST(0.813322950960406) }, + { FRAC_CONST(0.576476883652835), FRAC_CONST(0.817113457614006) }, + { FRAC_CONST(0.571116579584947), FRAC_CONST(0.820868961846646) }, + { FRAC_CONST(0.565731810783613), FRAC_CONST(0.824589302785025) }, + { FRAC_CONST(0.560322807914407), FRAC_CONST(0.828274321062119) }, + { FRAC_CONST(0.554889802681009), FRAC_CONST(0.831923858824010) }, + { FRAC_CONST(0.549433027815281), FRAC_CONST(0.835537759736646) }, + { FRAC_CONST(0.543952717067296), FRAC_CONST(0.839115868992540) }, + { FRAC_CONST(0.538449105195327), FRAC_CONST(0.842658033317402) }, + { FRAC_CONST(0.532922427955790), FRAC_CONST(0.846164100976699) }, + { FRAC_CONST(0.527372922093142), FRAC_CONST(0.849633921782164) }, + { FRAC_CONST(0.521800825329746), FRAC_CONST(0.853067347098221) }, + { FRAC_CONST(0.516206376355680), FRAC_CONST(0.856464229848356) }, + { FRAC_CONST(0.510589814818519), FRAC_CONST(0.859824424521420) }, + { FRAC_CONST(0.504951381313066), FRAC_CONST(0.863147787177854) }, + { FRAC_CONST(0.499291317371047), FRAC_CONST(0.866434175455865) }, + { FRAC_CONST(0.493609865450762), FRAC_CONST(0.869683448577516) }, + { FRAC_CONST(0.487907268926702), FRAC_CONST(0.872895467354761) }, + { FRAC_CONST(0.482183772079123), FRAC_CONST(0.876070094195407) }, + { FRAC_CONST(0.476439620083580), FRAC_CONST(0.879207193109004) }, + { FRAC_CONST(0.470675059000427), FRAC_CONST(0.882306629712678) }, + { FRAC_CONST(0.464890335764274), FRAC_CONST(0.885368271236879) }, + { FRAC_CONST(0.459085698173413), FRAC_CONST(0.888391986531075) }, + { FRAC_CONST(0.453261394879198), FRAC_CONST(0.891377646069366) }, + { FRAC_CONST(0.447417675375397), FRAC_CONST(0.894325121956035) }, + { FRAC_CONST(0.441554789987504), FRAC_CONST(0.897234287931024) }, + { FRAC_CONST(0.435672989862017), FRAC_CONST(0.900105019375345) }, + { FRAC_CONST(0.429772526955677), FRAC_CONST(0.902937193316419) }, + { FRAC_CONST(0.423853654024676), FRAC_CONST(0.905730688433339) }, + { FRAC_CONST(0.417916624613831), FRAC_CONST(0.908485385062073) }, + { FRAC_CONST(0.411961693045722), FRAC_CONST(0.911201165200584) }, + { FRAC_CONST(0.405989114409798), FRAC_CONST(0.913877912513892) }, + { FRAC_CONST(0.399999144551449), FRAC_CONST(0.916515512339049) }, + { FRAC_CONST(0.393992040061048), FRAC_CONST(0.919113851690058) }, + { FRAC_CONST(0.387968058262959), FRAC_CONST(0.921672819262709) }, + { FRAC_CONST(0.381927457204511), FRAC_CONST(0.924192305439348) }, + { FRAC_CONST(0.375870495644949), FRAC_CONST(0.926672202293573) }, + { FRAC_CONST(0.369797433044349), FRAC_CONST(0.929112403594856) }, + { FRAC_CONST(0.363708529552499), FRAC_CONST(0.931512804813095) }, + { FRAC_CONST(0.357604045997758), FRAC_CONST(0.933873303123091) }, + { FRAC_CONST(0.351484243875885), FRAC_CONST(0.936193797408954) }, + { FRAC_CONST(0.345349385338836), FRAC_CONST(0.938474188268430) }, + { FRAC_CONST(0.339199733183530), FRAC_CONST(0.940714378017165) }, + { FRAC_CONST(0.333035550840599), FRAC_CONST(0.942914270692887) }, + { FRAC_CONST(0.326857102363098), FRAC_CONST(0.945073772059514) }, + { FRAC_CONST(0.320664652415198), FRAC_CONST(0.947192789611197) }, + { FRAC_CONST(0.314458466260842), FRAC_CONST(0.949271232576274) }, + { FRAC_CONST(0.308238809752391), FRAC_CONST(0.951309011921168) }, + { FRAC_CONST(0.302005949319228), FRAC_CONST(0.953306040354194) }, + { FRAC_CONST(0.295760151956351), FRAC_CONST(0.955262232329299) }, + { FRAC_CONST(0.289501685212929), FRAC_CONST(0.957177504049732) }, + { FRAC_CONST(0.283230817180850), FRAC_CONST(0.959051773471624) }, + { FRAC_CONST(0.276947816483228), FRAC_CONST(0.960884960307514) }, + { FRAC_CONST(0.270652952262902), FRAC_CONST(0.962676986029777) }, + { FRAC_CONST(0.264346494170904), FRAC_CONST(0.964427773873996) }, + { FRAC_CONST(0.258028712354909), FRAC_CONST(0.966137248842248) }, + { FRAC_CONST(0.251699877447663), FRAC_CONST(0.967805337706313) }, + { FRAC_CONST(0.245360260555389), FRAC_CONST(0.969431969010818) }, + { FRAC_CONST(0.239010133246176), FRAC_CONST(0.971017073076290) }, + { FRAC_CONST(0.232649767538342), FRAC_CONST(0.972560582002147) }, + { FRAC_CONST(0.226279435888785), FRAC_CONST(0.974062429669605) }, + { FRAC_CONST(0.219899411181310), FRAC_CONST(0.975522551744506) }, + { FRAC_CONST(0.213509966714943), FRAC_CONST(0.976940885680082) }, + { FRAC_CONST(0.207111376192219), FRAC_CONST(0.978317370719628) }, + { FRAC_CONST(0.200703913707458), FRAC_CONST(0.979651947899104) }, + { FRAC_CONST(0.194287853735029), FRAC_CONST(0.980944560049668) }, + { FRAC_CONST(0.187863471117585), FRAC_CONST(0.982195151800116) }, + { FRAC_CONST(0.181431041054297), FRAC_CONST(0.983403669579260) }, + { FRAC_CONST(0.174990839089060), FRAC_CONST(0.984570061618221) }, + { FRAC_CONST(0.168543141098691), FRAC_CONST(0.985694277952645) }, + { FRAC_CONST(0.162088223281113), FRAC_CONST(0.986776270424848) }, + { FRAC_CONST(0.155626362143520), FRAC_CONST(0.987815992685872) }, + { FRAC_CONST(0.149157834490539), FRAC_CONST(0.988813400197476) }, + { FRAC_CONST(0.142682917412363), FRAC_CONST(0.989768450234042) }, + { FRAC_CONST(0.136201888272891), FRAC_CONST(0.990681101884405) }, + { FRAC_CONST(0.129715024697841), FRAC_CONST(0.991551316053606) }, + { FRAC_CONST(0.123222604562857), FRAC_CONST(0.992379055464567) }, + { FRAC_CONST(0.116724905981611), FRAC_CONST(0.993164284659685) }, + { FRAC_CONST(0.110222207293883), FRAC_CONST(0.993906970002356) }, + { FRAC_CONST(0.103714787053643), FRAC_CONST(0.994607079678411) }, + { FRAC_CONST(0.097202924017115), FRAC_CONST(0.995264583697482) }, + { FRAC_CONST(0.090686897130838), FRAC_CONST(0.995879453894286) }, + { FRAC_CONST(0.084166985519718), FRAC_CONST(0.996451663929828) }, + { FRAC_CONST(0.077643468475068), FRAC_CONST(0.996981189292537) }, + { FRAC_CONST(0.071116625442645), FRAC_CONST(0.997468007299307) }, + { FRAC_CONST(0.064586736010684), FRAC_CONST(0.997912097096476) }, + { FRAC_CONST(0.058054079897912), FRAC_CONST(0.998313439660714) }, + { FRAC_CONST(0.051518936941578), FRAC_CONST(0.998672017799843) }, + { FRAC_CONST(0.044981587085452), FRAC_CONST(0.998987816153567) }, + { FRAC_CONST(0.038442310367847), FRAC_CONST(0.999260821194138) }, + { FRAC_CONST(0.031901386909611), FRAC_CONST(0.999491021226926) }, + { FRAC_CONST(0.025359096902136), FRAC_CONST(0.999678406390929) }, + { FRAC_CONST(0.018815720595351), FRAC_CONST(0.999822968659191) }, + { FRAC_CONST(0.012271538285720), FRAC_CONST(0.999924701839145) }, + { FRAC_CONST(0.005726830304231), FRAC_CONST(0.999983601572879) } + }; +#endif // LD_DEC + + /* 60 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_240[] = { + { FRAC_CONST(0.999994645401696), FRAC_CONST(0.003272486506527) }, + { FRAC_CONST(0.999566308502021), FRAC_CONST(0.029448173247963) }, + { FRAC_CONST(0.998452918783950), FRAC_CONST(0.055603677682425) }, + { FRAC_CONST(0.996655239309180), FRAC_CONST(0.081721074133668) }, + { FRAC_CONST(0.994174502117428), FRAC_CONST(0.107782463042759) }, + { FRAC_CONST(0.991012407382049), FRAC_CONST(0.133769983235535) }, + { FRAC_CONST(0.987171122244825), FRAC_CONST(0.159665824163761) }, + { FRAC_CONST(0.982653279330712), FRAC_CONST(0.185452238111591) }, + { FRAC_CONST(0.977461974943572), FRAC_CONST(0.211111552358965) }, + { FRAC_CONST(0.971600766944121), FRAC_CONST(0.236626181293610) }, + { FRAC_CONST(0.965073672311547), FRAC_CONST(0.261978638463337) }, + { FRAC_CONST(0.957885164390477), FRAC_CONST(0.287151548560387) }, + { FRAC_CONST(0.950040169825165), FRAC_CONST(0.312127659329594) }, + { FRAC_CONST(0.941544065183021), FRAC_CONST(0.336889853392220) }, + { FRAC_CONST(0.932402673269775), FRAC_CONST(0.361421159977355) }, + { FRAC_CONST(0.922622259138823), FRAC_CONST(0.385704766552831) }, + { FRAC_CONST(0.912209525797468), FRAC_CONST(0.409724030347695) }, + { FRAC_CONST(0.901171609613013), FRAC_CONST(0.433462489758331) }, + { FRAC_CONST(0.889516075421856), FRAC_CONST(0.456903875630421) }, + { FRAC_CONST(0.877250911344924), FRAC_CONST(0.480032122409011) }, + { FRAC_CONST(0.864384523313017), FRAC_CONST(0.502831379149042) }, + { FRAC_CONST(0.850925729305802), FRAC_CONST(0.525286020378792) }, + { FRAC_CONST(0.836883753308409), FRAC_CONST(0.547380656808797) }, + { FRAC_CONST(0.822268218989775), FRAC_CONST(0.569100145878898) }, + { FRAC_CONST(0.807089143107059), FRAC_CONST(0.590429602136201) }, + { FRAC_CONST(0.791356928640660), FRAC_CONST(0.611354407436816) }, + { FRAC_CONST(0.775082357664531), FRAC_CONST(0.631860220964409) }, + { FRAC_CONST(0.758276583956687), FRAC_CONST(0.651932989058674) }, + { FRAC_CONST(0.740951125354959), FRAC_CONST(0.671558954847018) }, + { FRAC_CONST(0.723117855863248), FRAC_CONST(0.690724667672829) }, + { FRAC_CONST(0.704788997513670), FRAC_CONST(0.709416992313883) }, + { FRAC_CONST(0.685977111990193), FRAC_CONST(0.727623117984575) }, + { FRAC_CONST(0.666695092019479), FRAC_CONST(0.745330567115786) }, + { FRAC_CONST(0.646956152534857), FRAC_CONST(0.762527203906388) }, + { FRAC_CONST(0.626773821619469), FRAC_CONST(0.779201242640517) }, + { FRAC_CONST(0.606161931234795), FRAC_CONST(0.795341255764910) }, + { FRAC_CONST(0.585134607740916), FRAC_CONST(0.810936181720784) }, + { FRAC_CONST(0.563706262215017), FRAC_CONST(0.825975332524873) }, + { FRAC_CONST(0.541891580574752), FRAC_CONST(0.840448401094438) }, + { FRAC_CONST(0.519705513513249), FRAC_CONST(0.854345468311227) }, + { FRAC_CONST(0.497163266252654), FRAC_CONST(0.867657009819544) }, + { FRAC_CONST(0.474280288123229), FRAC_CONST(0.880373902553765) }, + { FRAC_CONST(0.451072261975153), FRAC_CONST(0.892487430990834) }, + { FRAC_CONST(0.427555093430282), FRAC_CONST(0.903989293123443) }, + { FRAC_CONST(0.403744899981227), FRAC_CONST(0.914871606149819) }, + { FRAC_CONST(0.379657999945233), FRAC_CONST(0.925126911876195) }, + { FRAC_CONST(0.355310901280416), FRAC_CONST(0.934748181828292) }, + { FRAC_CONST(0.330720290272038), FRAC_CONST(0.943728822068278) }, + { FRAC_CONST(0.305903020096554), FRAC_CONST(0.952062677713924) }, + { FRAC_CONST(0.280876099271292), FRAC_CONST(0.959744037156857) }, + { FRAC_CONST(0.255656679997665), FRAC_CONST(0.966767635977008) }, + { FRAC_CONST(0.230262046405902), FRAC_CONST(0.973128660550580) }, + { FRAC_CONST(0.204709602709380), FRAC_CONST(0.978822751349072) }, + { FRAC_CONST(0.179016861276633), FRAC_CONST(0.983846005927077) }, + { FRAC_CONST(0.153201430629259), FRAC_CONST(0.988194981596825) }, + { FRAC_CONST(0.127281003373913), FRAC_CONST(0.991866697787626) }, + { FRAC_CONST(0.101273344076683), FRAC_CONST(0.994858638088611) }, + { FRAC_CONST(0.075196277088140), FRAC_CONST(0.997168751973348) }, + { FRAC_CONST(0.049067674327418), FRAC_CONST(0.998795456205172) }, + { FRAC_CONST(0.022905443033697), FRAC_CONST(0.999737635922260) } + }; +#endif // ALLOW_SMALL_FRAMELENGTH + +#ifdef SSR_DEC + /* 128 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_512[] = { + { FRAC_CONST(0.999998823451702), FRAC_CONST(0.001533980186285) }, + { FRAC_CONST(0.999904701082853), FRAC_CONST(0.013805388528060) }, + { FRAC_CONST(0.999659996743959), FRAC_CONST(0.026074717829104) }, + { FRAC_CONST(0.999264747286594), FRAC_CONST(0.038340120373553) }, + { FRAC_CONST(0.998719012233873), FRAC_CONST(0.050599749036899) }, + { FRAC_CONST(0.998022873771486), FRAC_CONST(0.062851757564161) }, + { FRAC_CONST(0.997176436735326), FRAC_CONST(0.075094300847921) }, + { FRAC_CONST(0.996179828595697), FRAC_CONST(0.087325535206192) }, + { FRAC_CONST(0.995033199438119), FRAC_CONST(0.099543618660069) }, + { FRAC_CONST(0.993736721940725), FRAC_CONST(0.111746711211127) }, + { FRAC_CONST(0.992290591348257), FRAC_CONST(0.123932975118512) }, + { FRAC_CONST(0.990695025442665), FRAC_CONST(0.136100575175706) }, + { FRAC_CONST(0.988950264510303), FRAC_CONST(0.148247678986896) }, + { FRAC_CONST(0.987056571305751), FRAC_CONST(0.160372457242928) }, + { FRAC_CONST(0.985014231012240), FRAC_CONST(0.172473083996796) }, + { FRAC_CONST(0.982823551198705), FRAC_CONST(0.184547736938620) }, + { FRAC_CONST(0.980484861773469), FRAC_CONST(0.196594597670080) }, + { FRAC_CONST(0.977998514934557), FRAC_CONST(0.208611851978263) }, + { FRAC_CONST(0.975364885116657), FRAC_CONST(0.220597690108874) }, + { FRAC_CONST(0.972584368934732), FRAC_CONST(0.232550307038775) }, + { FRAC_CONST(0.969657385124292), FRAC_CONST(0.244467902747824) }, + { FRAC_CONST(0.966584374478333), FRAC_CONST(0.256348682489943) }, + { FRAC_CONST(0.963365799780954), FRAC_CONST(0.268190857063403) }, + { FRAC_CONST(0.960002145737666), FRAC_CONST(0.279992643080273) }, + { FRAC_CONST(0.956493918902395), FRAC_CONST(0.291752263234989) }, + { FRAC_CONST(0.952841647601199), FRAC_CONST(0.303467946572011) }, + { FRAC_CONST(0.949045881852701), FRAC_CONST(0.315137928752522) }, + { FRAC_CONST(0.945107193285261), FRAC_CONST(0.326760452320132) }, + { FRAC_CONST(0.941026175050889), FRAC_CONST(0.338333766965541) }, + { FRAC_CONST(0.936803441735922), FRAC_CONST(0.349856129790135) }, + { FRAC_CONST(0.932439629268462), FRAC_CONST(0.361325805568454) }, + { FRAC_CONST(0.927935394822618), FRAC_CONST(0.372741067009516) }, + { FRAC_CONST(0.923291416719528), FRAC_CONST(0.384100195016935) }, + { FRAC_CONST(0.918508394325212), FRAC_CONST(0.395401478947816) }, + { FRAC_CONST(0.913587047945251), FRAC_CONST(0.406643216870369) }, + { FRAC_CONST(0.908528118716306), FRAC_CONST(0.417823715820212) }, + { FRAC_CONST(0.903332368494512), FRAC_CONST(0.428941292055329) }, + { FRAC_CONST(0.898000579740740), FRAC_CONST(0.439994271309633) }, + { FRAC_CONST(0.892533555402765), FRAC_CONST(0.450980989045104) }, + { FRAC_CONST(0.886932118794342), FRAC_CONST(0.461899790702463) }, + { FRAC_CONST(0.881197113471222), FRAC_CONST(0.472749031950343) }, + { FRAC_CONST(0.875329403104111), FRAC_CONST(0.483527078932919) }, + { FRAC_CONST(0.869329871348607), FRAC_CONST(0.494232308515960) }, + { FRAC_CONST(0.863199421712124), FRAC_CONST(0.504863108531268) }, + { FRAC_CONST(0.856938977417829), FRAC_CONST(0.515417878019463) }, + { FRAC_CONST(0.850549481265603), FRAC_CONST(0.525895027471085) }, + { FRAC_CONST(0.844031895490066), FRAC_CONST(0.536292979065963) }, + { FRAC_CONST(0.837387201615662), FRAC_CONST(0.546610166910835) }, + { FRAC_CONST(0.830616400308846), FRAC_CONST(0.556845037275160) }, + { FRAC_CONST(0.823720511227391), FRAC_CONST(0.566996048825109) }, + { FRAC_CONST(0.816700572866828), FRAC_CONST(0.577061672855679) }, + { FRAC_CONST(0.809557642404051), FRAC_CONST(0.587040393520918) }, + { FRAC_CONST(0.802292795538116), FRAC_CONST(0.596930708062197) }, + { FRAC_CONST(0.794907126328237), FRAC_CONST(0.606731127034524) }, + { FRAC_CONST(0.787401747029031), FRAC_CONST(0.616440174530854) }, + { FRAC_CONST(0.779777787923015), FRAC_CONST(0.626056388404344) }, + { FRAC_CONST(0.772036397150385), FRAC_CONST(0.635578320488556) }, + { FRAC_CONST(0.764178740536117), FRAC_CONST(0.645004536815544) }, + { FRAC_CONST(0.756206001414395), FRAC_CONST(0.654333617831800) }, + { FRAC_CONST(0.748119380450404), FRAC_CONST(0.663564158612040) }, + { FRAC_CONST(0.739920095459516), FRAC_CONST(0.672694769070773) }, + { FRAC_CONST(0.731609381223893), FRAC_CONST(0.681724074171650) }, + { FRAC_CONST(0.723188489306527), FRAC_CONST(0.690650714134535) }, + { FRAC_CONST(0.714658687862769), FRAC_CONST(0.699473344640284) }, + { FRAC_CONST(0.706021261449340), FRAC_CONST(0.708190637033195) }, + { FRAC_CONST(0.697277510830887), FRAC_CONST(0.716801278521100) }, + { FRAC_CONST(0.688428752784091), FRAC_CONST(0.725303972373061) }, + { FRAC_CONST(0.679476319899365), FRAC_CONST(0.733697438114660) }, + { FRAC_CONST(0.670421560380173), FRAC_CONST(0.741980411720831) }, + { FRAC_CONST(0.661265837839992), FRAC_CONST(0.750151645806215) }, + { FRAC_CONST(0.652010531096960), FRAC_CONST(0.758209909813015) }, + { FRAC_CONST(0.642657033966227), FRAC_CONST(0.766153990196313) }, + { FRAC_CONST(0.633206755050057), FRAC_CONST(0.773982690606823) }, + { FRAC_CONST(0.623661117525695), FRAC_CONST(0.781694832071059) }, + { FRAC_CONST(0.614021558931038), FRAC_CONST(0.789289253168886) }, + { FRAC_CONST(0.604289530948156), FRAC_CONST(0.796764810208419) }, + { FRAC_CONST(0.594466499184665), FRAC_CONST(0.804120377398266) }, + { FRAC_CONST(0.584553942953015), FRAC_CONST(0.811354847017064) }, + { FRAC_CONST(0.574553355047716), FRAC_CONST(0.818467129580299) }, + { FRAC_CONST(0.564466241520520), FRAC_CONST(0.825456154004377) }, + { FRAC_CONST(0.554294121453620), FRAC_CONST(0.832320867767930) }, + { FRAC_CONST(0.544038526730884), FRAC_CONST(0.839060237070313) }, + { FRAC_CONST(0.533701001807153), FRAC_CONST(0.845673246987299) }, + { FRAC_CONST(0.523283103475656), FRAC_CONST(0.852158901623920) }, + { FRAC_CONST(0.512786400633563), FRAC_CONST(0.858516224264443) }, + { FRAC_CONST(0.502212474045711), FRAC_CONST(0.864744257519462) }, + { FRAC_CONST(0.491562916106550), FRAC_CONST(0.870842063470079) }, + { FRAC_CONST(0.480839330600334), FRAC_CONST(0.876808723809146) }, + { FRAC_CONST(0.470043332459596), FRAC_CONST(0.882643339979563) }, + { FRAC_CONST(0.459176547521944), FRAC_CONST(0.888345033309596) }, + { FRAC_CONST(0.448240612285220), FRAC_CONST(0.893912945145203) }, + { FRAC_CONST(0.437237173661044), FRAC_CONST(0.899346236979341) }, + { FRAC_CONST(0.426167888726800), FRAC_CONST(0.904644090578246) }, + { FRAC_CONST(0.415034424476082), FRAC_CONST(0.909805708104652) }, + { FRAC_CONST(0.403838457567654), FRAC_CONST(0.914830312237946) }, + { FRAC_CONST(0.392581674072952), FRAC_CONST(0.919717146291227) }, + { FRAC_CONST(0.381265769222162), FRAC_CONST(0.924465474325263) }, + { FRAC_CONST(0.369892447148934), FRAC_CONST(0.929074581259316) }, + { FRAC_CONST(0.358463420633737), FRAC_CONST(0.933543772978836) }, + { FRAC_CONST(0.346980410845924), FRAC_CONST(0.937872376439990) }, + { FRAC_CONST(0.335445147084532), FRAC_CONST(0.942059739771017) }, + { FRAC_CONST(0.323859366517853), FRAC_CONST(0.946105232370403) }, + { FRAC_CONST(0.312224813921825), FRAC_CONST(0.950008245001843) }, + { FRAC_CONST(0.300543241417273), FRAC_CONST(0.953768189885990) }, + { FRAC_CONST(0.288816408206049), FRAC_CONST(0.957384500788976) }, + { FRAC_CONST(0.277046080306100), FRAC_CONST(0.960856633107680) }, + { FRAC_CONST(0.265234030285512), FRAC_CONST(0.964184063951746) }, + { FRAC_CONST(0.253382036995570), FRAC_CONST(0.967366292222329) }, + { FRAC_CONST(0.241491885302869), FRAC_CONST(0.970402838687556) }, + { FRAC_CONST(0.229565365820519), FRAC_CONST(0.973293246054698) }, + { FRAC_CONST(0.217604274638484), FRAC_CONST(0.976037079039039) }, + { FRAC_CONST(0.205610413053099), FRAC_CONST(0.978633924429423) }, + { FRAC_CONST(0.193585587295804), FRAC_CONST(0.981083391150487) }, + { FRAC_CONST(0.181531608261125), FRAC_CONST(0.983385110321551) }, + { FRAC_CONST(0.169450291233968), FRAC_CONST(0.985538735312176) }, + { FRAC_CONST(0.157343455616238), FRAC_CONST(0.987543941794359) }, + { FRAC_CONST(0.145212924652848), FRAC_CONST(0.989400427791380) }, + { FRAC_CONST(0.133060525157139), FRAC_CONST(0.991107913723277) }, + { FRAC_CONST(0.120888087235777), FRAC_CONST(0.992666142448948) }, + { FRAC_CONST(0.108697444013139), FRAC_CONST(0.994074879304879) }, + { FRAC_CONST(0.096490431355253), FRAC_CONST(0.995333912140482) }, + { FRAC_CONST(0.084268887593324), FRAC_CONST(0.996443051350043) }, + { FRAC_CONST(0.072034653246889), FRAC_CONST(0.997402129901275) }, + { FRAC_CONST(0.059789570746640), FRAC_CONST(0.998211003360478) }, + { FRAC_CONST(0.047535484156959), FRAC_CONST(0.998869549914284) }, + { FRAC_CONST(0.035274238898214), FRAC_CONST(0.999377670388003) }, + { FRAC_CONST(0.023007681468839), FRAC_CONST(0.999735288260562) }, + { FRAC_CONST(0.010737659167265), FRAC_CONST(0.999942349676024) } + }; + + /* 16 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_64[] = { + { FRAC_CONST(0.999924701839145), FRAC_CONST(0.012271538285720) }, + { FRAC_CONST(0.993906970002356), FRAC_CONST(0.110222207293883) }, + { FRAC_CONST(0.978317370719628), FRAC_CONST(0.207111376192219) }, + { FRAC_CONST(0.953306040354194), FRAC_CONST(0.302005949319228) }, + { FRAC_CONST(0.919113851690058), FRAC_CONST(0.393992040061048) }, + { FRAC_CONST(0.876070094195407), FRAC_CONST(0.482183772079123) }, + { FRAC_CONST(0.824589302785025), FRAC_CONST(0.565731810783613) }, + { FRAC_CONST(0.765167265622459), FRAC_CONST(0.643831542889791) }, + { FRAC_CONST(0.698376249408973), FRAC_CONST(0.715730825283819) }, + { FRAC_CONST(0.624859488142386), FRAC_CONST(0.780737228572094) }, + { FRAC_CONST(0.545324988422046), FRAC_CONST(0.838224705554838) }, + { FRAC_CONST(0.460538710958240), FRAC_CONST(0.887639620402854) }, + { FRAC_CONST(0.371317193951838), FRAC_CONST(0.928506080473215) }, + { FRAC_CONST(0.278519689385053), FRAC_CONST(0.960430519415566) }, + { FRAC_CONST(0.183039887955141), FRAC_CONST(0.983105487431216) }, + { FRAC_CONST(0.085797312344440), FRAC_CONST(0.996312612182778) } + }; +#endif // SSR_DEC + +#else // FIXED_POINT + + /* 256 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_2048[] = { + { FRAC_CONST(0.031249997702054), FRAC_CONST(0.000011984224612) }, + { FRAC_CONST(0.031249813866531), FRAC_CONST(0.000107857810004) }, + { FRAC_CONST(0.031249335895858), FRAC_CONST(0.000203730380198) }, + { FRAC_CONST(0.031248563794535), FRAC_CONST(0.000299601032804) }, + { FRAC_CONST(0.031247497569829), FRAC_CONST(0.000395468865451) }, + { FRAC_CONST(0.031246137231775), FRAC_CONST(0.000491332975794) }, + { FRAC_CONST(0.031244482793177), FRAC_CONST(0.000587192461525) }, + { FRAC_CONST(0.031242534269608), FRAC_CONST(0.000683046420376) }, + { FRAC_CONST(0.031240291679407), FRAC_CONST(0.000778893950134) }, + { FRAC_CONST(0.031237755043684), FRAC_CONST(0.000874734148645) }, + { FRAC_CONST(0.031234924386313), FRAC_CONST(0.000970566113826) }, + { FRAC_CONST(0.031231799733938), FRAC_CONST(0.001066388943669) }, + { FRAC_CONST(0.031228381115970), FRAC_CONST(0.001162201736253) }, + { FRAC_CONST(0.031224668564585), FRAC_CONST(0.001258003589751) }, + { FRAC_CONST(0.031220662114728), FRAC_CONST(0.001353793602441) }, + { FRAC_CONST(0.031216361804108), FRAC_CONST(0.001449570872710) }, + { FRAC_CONST(0.031211767673203), FRAC_CONST(0.001545334499065) }, + { FRAC_CONST(0.031206879765253), FRAC_CONST(0.001641083580144) }, + { FRAC_CONST(0.031201698126266), FRAC_CONST(0.001736817214719) }, + { FRAC_CONST(0.031196222805014), FRAC_CONST(0.001832534501709) }, + { FRAC_CONST(0.031190453853031), FRAC_CONST(0.001928234540186) }, + { FRAC_CONST(0.031184391324617), FRAC_CONST(0.002023916429386) }, + { FRAC_CONST(0.031178035276836), FRAC_CONST(0.002119579268713) }, + { FRAC_CONST(0.031171385769513), FRAC_CONST(0.002215222157753) }, + { FRAC_CONST(0.031164442865236), FRAC_CONST(0.002310844196278) }, + { FRAC_CONST(0.031157206629353), FRAC_CONST(0.002406444484258) }, + { FRAC_CONST(0.031149677129975), FRAC_CONST(0.002502022121865) }, + { FRAC_CONST(0.031141854437973), FRAC_CONST(0.002597576209488) }, + { FRAC_CONST(0.031133738626977), FRAC_CONST(0.002693105847734) }, + { FRAC_CONST(0.031125329773375), FRAC_CONST(0.002788610137442) }, + { FRAC_CONST(0.031116627956316), FRAC_CONST(0.002884088179689) }, + { FRAC_CONST(0.031107633257703), FRAC_CONST(0.002979539075801) }, + { FRAC_CONST(0.031098345762200), FRAC_CONST(0.003074961927355) }, + { FRAC_CONST(0.031088765557222), FRAC_CONST(0.003170355836197) }, + { FRAC_CONST(0.031078892732942), FRAC_CONST(0.003265719904442) }, + { FRAC_CONST(0.031068727382288), FRAC_CONST(0.003361053234488) }, + { FRAC_CONST(0.031058269600939), FRAC_CONST(0.003456354929021) }, + { FRAC_CONST(0.031047519487329), FRAC_CONST(0.003551624091024) }, + { FRAC_CONST(0.031036477142640), FRAC_CONST(0.003646859823790) }, + { FRAC_CONST(0.031025142670809), FRAC_CONST(0.003742061230921) }, + { FRAC_CONST(0.031013516178519), FRAC_CONST(0.003837227416347) }, + { FRAC_CONST(0.031001597775203), FRAC_CONST(0.003932357484328) }, + { FRAC_CONST(0.030989387573042), FRAC_CONST(0.004027450539462) }, + { FRAC_CONST(0.030976885686963), FRAC_CONST(0.004122505686697) }, + { FRAC_CONST(0.030964092234638), FRAC_CONST(0.004217522031340) }, + { FRAC_CONST(0.030951007336485), FRAC_CONST(0.004312498679058) }, + { FRAC_CONST(0.030937631115663), FRAC_CONST(0.004407434735897) }, + { FRAC_CONST(0.030923963698074), FRAC_CONST(0.004502329308281) }, + { FRAC_CONST(0.030910005212362), FRAC_CONST(0.004597181503027) }, + { FRAC_CONST(0.030895755789908), FRAC_CONST(0.004691990427350) }, + { FRAC_CONST(0.030881215564835), FRAC_CONST(0.004786755188872) }, + { FRAC_CONST(0.030866384674000), FRAC_CONST(0.004881474895632) }, + { FRAC_CONST(0.030851263256996), FRAC_CONST(0.004976148656090) }, + { FRAC_CONST(0.030835851456154), FRAC_CONST(0.005070775579142) }, + { FRAC_CONST(0.030820149416533), FRAC_CONST(0.005165354774124) }, + { FRAC_CONST(0.030804157285929), FRAC_CONST(0.005259885350819) }, + { FRAC_CONST(0.030787875214864), FRAC_CONST(0.005354366419469) }, + { FRAC_CONST(0.030771303356593), FRAC_CONST(0.005448797090784) }, + { FRAC_CONST(0.030754441867095), FRAC_CONST(0.005543176475946) }, + { FRAC_CONST(0.030737290905077), FRAC_CONST(0.005637503686619) }, + { FRAC_CONST(0.030719850631972), FRAC_CONST(0.005731777834961) }, + { FRAC_CONST(0.030702121211932), FRAC_CONST(0.005825998033626) }, + { FRAC_CONST(0.030684102811835), FRAC_CONST(0.005920163395780) }, + { FRAC_CONST(0.030665795601276), FRAC_CONST(0.006014273035101) }, + { FRAC_CONST(0.030647199752570), FRAC_CONST(0.006108326065793) }, + { FRAC_CONST(0.030628315440748), FRAC_CONST(0.006202321602594) }, + { FRAC_CONST(0.030609142843557), FRAC_CONST(0.006296258760782) }, + { FRAC_CONST(0.030589682141455), FRAC_CONST(0.006390136656185) }, + { FRAC_CONST(0.030569933517616), FRAC_CONST(0.006483954405188) }, + { FRAC_CONST(0.030549897157919), FRAC_CONST(0.006577711124743) }, + { FRAC_CONST(0.030529573250956), FRAC_CONST(0.006671405932375) }, + { FRAC_CONST(0.030508961988022), FRAC_CONST(0.006765037946194) }, + { FRAC_CONST(0.030488063563118), FRAC_CONST(0.006858606284900) }, + { FRAC_CONST(0.030466878172949), FRAC_CONST(0.006952110067791) }, + { FRAC_CONST(0.030445406016919), FRAC_CONST(0.007045548414774) }, + { FRAC_CONST(0.030423647297133), FRAC_CONST(0.007138920446372) }, + { FRAC_CONST(0.030401602218392), FRAC_CONST(0.007232225283733) }, + { FRAC_CONST(0.030379270988192), FRAC_CONST(0.007325462048634) }, + { FRAC_CONST(0.030356653816724), FRAC_CONST(0.007418629863497) }, + { FRAC_CONST(0.030333750916869), FRAC_CONST(0.007511727851390) }, + { FRAC_CONST(0.030310562504198), FRAC_CONST(0.007604755136040) }, + { FRAC_CONST(0.030287088796968), FRAC_CONST(0.007697710841838) }, + { FRAC_CONST(0.030263330016124), FRAC_CONST(0.007790594093851) }, + { FRAC_CONST(0.030239286385293), FRAC_CONST(0.007883404017824) }, + { FRAC_CONST(0.030214958130781), FRAC_CONST(0.007976139740197) }, + { FRAC_CONST(0.030190345481576), FRAC_CONST(0.008068800388104) }, + { FRAC_CONST(0.030165448669342), FRAC_CONST(0.008161385089390) }, + { FRAC_CONST(0.030140267928416), FRAC_CONST(0.008253892972610) }, + { FRAC_CONST(0.030114803495809), FRAC_CONST(0.008346323167047) }, + { FRAC_CONST(0.030089055611203), FRAC_CONST(0.008438674802711) }, + { FRAC_CONST(0.030063024516947), FRAC_CONST(0.008530947010354) }, + { FRAC_CONST(0.030036710458054), FRAC_CONST(0.008623138921475) }, + { FRAC_CONST(0.030010113682202), FRAC_CONST(0.008715249668328) }, + { FRAC_CONST(0.029983234439732), FRAC_CONST(0.008807278383932) }, + { FRAC_CONST(0.029956072983640), FRAC_CONST(0.008899224202078) }, + { FRAC_CONST(0.029928629569580), FRAC_CONST(0.008991086257336) }, + { FRAC_CONST(0.029900904455860), FRAC_CONST(0.009082863685067) }, + { FRAC_CONST(0.029872897903441), FRAC_CONST(0.009174555621425) }, + { FRAC_CONST(0.029844610175929), FRAC_CONST(0.009266161203371) }, + { FRAC_CONST(0.029816041539579), FRAC_CONST(0.009357679568679) }, + { FRAC_CONST(0.029787192263292), FRAC_CONST(0.009449109855944) }, + { FRAC_CONST(0.029758062618606), FRAC_CONST(0.009540451204587) }, + { FRAC_CONST(0.029728652879702), FRAC_CONST(0.009631702754871) }, + { FRAC_CONST(0.029698963323395), FRAC_CONST(0.009722863647900) }, + { FRAC_CONST(0.029668994229134), FRAC_CONST(0.009813933025633) }, + { FRAC_CONST(0.029638745879000), FRAC_CONST(0.009904910030891) }, + { FRAC_CONST(0.029608218557702), FRAC_CONST(0.009995793807363) }, + { FRAC_CONST(0.029577412552575), FRAC_CONST(0.010086583499618) }, + { FRAC_CONST(0.029546328153577), FRAC_CONST(0.010177278253107) }, + { FRAC_CONST(0.029514965653285), FRAC_CONST(0.010267877214177) }, + { FRAC_CONST(0.029483325346896), FRAC_CONST(0.010358379530076) }, + { FRAC_CONST(0.029451407532220), FRAC_CONST(0.010448784348962) }, + { FRAC_CONST(0.029419212509679), FRAC_CONST(0.010539090819911) }, + { FRAC_CONST(0.029386740582307), FRAC_CONST(0.010629298092923) }, + { FRAC_CONST(0.029353992055740), FRAC_CONST(0.010719405318933) }, + { FRAC_CONST(0.029320967238220), FRAC_CONST(0.010809411649818) }, + { FRAC_CONST(0.029287666440590), FRAC_CONST(0.010899316238403) }, + { FRAC_CONST(0.029254089976290), FRAC_CONST(0.010989118238474) }, + { FRAC_CONST(0.029220238161353), FRAC_CONST(0.011078816804778) }, + { FRAC_CONST(0.029186111314406), FRAC_CONST(0.011168411093039) }, + { FRAC_CONST(0.029151709756664), FRAC_CONST(0.011257900259961) }, + { FRAC_CONST(0.029117033811927), FRAC_CONST(0.011347283463239) }, + { FRAC_CONST(0.029082083806579), FRAC_CONST(0.011436559861563) }, + { FRAC_CONST(0.029046860069582), FRAC_CONST(0.011525728614630) }, + { FRAC_CONST(0.029011362932476), FRAC_CONST(0.011614788883150) }, + { FRAC_CONST(0.028975592729373), FRAC_CONST(0.011703739828853) }, + { FRAC_CONST(0.028939549796957), FRAC_CONST(0.011792580614500) }, + { FRAC_CONST(0.028903234474475), FRAC_CONST(0.011881310403886) }, + { FRAC_CONST(0.028866647103744), FRAC_CONST(0.011969928361855) }, + { FRAC_CONST(0.028829788029135), FRAC_CONST(0.012058433654299) }, + { FRAC_CONST(0.028792657597583), FRAC_CONST(0.012146825448172) }, + { FRAC_CONST(0.028755256158571), FRAC_CONST(0.012235102911499) }, + { FRAC_CONST(0.028717584064137), FRAC_CONST(0.012323265213377) }, + { FRAC_CONST(0.028679641668864), FRAC_CONST(0.012411311523990) }, + { FRAC_CONST(0.028641429329882), FRAC_CONST(0.012499241014612) }, + { FRAC_CONST(0.028602947406859), FRAC_CONST(0.012587052857618) }, + { FRAC_CONST(0.028564196262001), FRAC_CONST(0.012674746226488) }, + { FRAC_CONST(0.028525176260050), FRAC_CONST(0.012762320295819) }, + { FRAC_CONST(0.028485887768276), FRAC_CONST(0.012849774241331) }, + { FRAC_CONST(0.028446331156478), FRAC_CONST(0.012937107239875) }, + { FRAC_CONST(0.028406506796976), FRAC_CONST(0.013024318469437) }, + { FRAC_CONST(0.028366415064615), FRAC_CONST(0.013111407109155) }, + { FRAC_CONST(0.028326056336751), FRAC_CONST(0.013198372339315) }, + { FRAC_CONST(0.028285430993258), FRAC_CONST(0.013285213341368) }, + { FRAC_CONST(0.028244539416515), FRAC_CONST(0.013371929297933) }, + { FRAC_CONST(0.028203381991411), FRAC_CONST(0.013458519392807) }, + { FRAC_CONST(0.028161959105334), FRAC_CONST(0.013544982810971) }, + { FRAC_CONST(0.028120271148172), FRAC_CONST(0.013631318738598) }, + { FRAC_CONST(0.028078318512309), FRAC_CONST(0.013717526363062) }, + { FRAC_CONST(0.028036101592619), FRAC_CONST(0.013803604872943) }, + { FRAC_CONST(0.027993620786463), FRAC_CONST(0.013889553458039) }, + { FRAC_CONST(0.027950876493687), FRAC_CONST(0.013975371309367) }, + { FRAC_CONST(0.027907869116616), FRAC_CONST(0.014061057619178) }, + { FRAC_CONST(0.027864599060052), FRAC_CONST(0.014146611580959) }, + { FRAC_CONST(0.027821066731270), FRAC_CONST(0.014232032389445) }, + { FRAC_CONST(0.027777272540012), FRAC_CONST(0.014317319240622) }, + { FRAC_CONST(0.027733216898487), FRAC_CONST(0.014402471331737) }, + { FRAC_CONST(0.027688900221361), FRAC_CONST(0.014487487861307) }, + { FRAC_CONST(0.027644322925762), FRAC_CONST(0.014572368029123) }, + { FRAC_CONST(0.027599485431266), FRAC_CONST(0.014657111036262) }, + { FRAC_CONST(0.027554388159903), FRAC_CONST(0.014741716085090) }, + { FRAC_CONST(0.027509031536144), FRAC_CONST(0.014826182379271) }, + { FRAC_CONST(0.027463415986904), FRAC_CONST(0.014910509123778) }, + { FRAC_CONST(0.027417541941533), FRAC_CONST(0.014994695524894) }, + { FRAC_CONST(0.027371409831816), FRAC_CONST(0.015078740790225) }, + { FRAC_CONST(0.027325020091965), FRAC_CONST(0.015162644128704) }, + { FRAC_CONST(0.027278373158618), FRAC_CONST(0.015246404750603) }, + { FRAC_CONST(0.027231469470833), FRAC_CONST(0.015330021867534) }, + { FRAC_CONST(0.027184309470088), FRAC_CONST(0.015413494692460) }, + { FRAC_CONST(0.027136893600268), FRAC_CONST(0.015496822439704) }, + { FRAC_CONST(0.027089222307671), FRAC_CONST(0.015580004324954) }, + { FRAC_CONST(0.027041296040997), FRAC_CONST(0.015663039565269) }, + { FRAC_CONST(0.026993115251345), FRAC_CONST(0.015745927379091) }, + { FRAC_CONST(0.026944680392213), FRAC_CONST(0.015828666986247) }, + { FRAC_CONST(0.026895991919487), FRAC_CONST(0.015911257607961) }, + { FRAC_CONST(0.026847050291442), FRAC_CONST(0.015993698466859) }, + { FRAC_CONST(0.026797855968734), FRAC_CONST(0.016075988786976) }, + { FRAC_CONST(0.026748409414401), FRAC_CONST(0.016158127793763) }, + { FRAC_CONST(0.026698711093851), FRAC_CONST(0.016240114714099) }, + { FRAC_CONST(0.026648761474864), FRAC_CONST(0.016321948776289) }, + { FRAC_CONST(0.026598561027585), FRAC_CONST(0.016403629210082) }, + { FRAC_CONST(0.026548110224519), FRAC_CONST(0.016485155246669) }, + { FRAC_CONST(0.026497409540530), FRAC_CONST(0.016566526118696) }, + { FRAC_CONST(0.026446459452830), FRAC_CONST(0.016647741060271) }, + { FRAC_CONST(0.026395260440982), FRAC_CONST(0.016728799306966) }, + { FRAC_CONST(0.026343812986890), FRAC_CONST(0.016809700095831) }, + { FRAC_CONST(0.026292117574797), FRAC_CONST(0.016890442665397) }, + { FRAC_CONST(0.026240174691280), FRAC_CONST(0.016971026255683) }, + { FRAC_CONST(0.026187984825246), FRAC_CONST(0.017051450108208) }, + { FRAC_CONST(0.026135548467924), FRAC_CONST(0.017131713465990) }, + { FRAC_CONST(0.026082866112867), FRAC_CONST(0.017211815573560) }, + { FRAC_CONST(0.026029938255941), FRAC_CONST(0.017291755676967) }, + { FRAC_CONST(0.025976765395322), FRAC_CONST(0.017371533023784) }, + { FRAC_CONST(0.025923348031494), FRAC_CONST(0.017451146863116) }, + { FRAC_CONST(0.025869686667242), FRAC_CONST(0.017530596445607) }, + { FRAC_CONST(0.025815781807646), FRAC_CONST(0.017609881023449) }, + { FRAC_CONST(0.025761633960080), FRAC_CONST(0.017688999850383) }, + { FRAC_CONST(0.025707243634204), FRAC_CONST(0.017767952181715) }, + { FRAC_CONST(0.025652611341960), FRAC_CONST(0.017846737274313) }, + { FRAC_CONST(0.025597737597568), FRAC_CONST(0.017925354386623) }, + { FRAC_CONST(0.025542622917522), FRAC_CONST(0.018003802778671) }, + { FRAC_CONST(0.025487267820581), FRAC_CONST(0.018082081712071) }, + { FRAC_CONST(0.025431672827768), FRAC_CONST(0.018160190450031) }, + { FRAC_CONST(0.025375838462365), FRAC_CONST(0.018238128257362) }, + { FRAC_CONST(0.025319765249906), FRAC_CONST(0.018315894400484) }, + { FRAC_CONST(0.025263453718173), FRAC_CONST(0.018393488147432) }, + { FRAC_CONST(0.025206904397193), FRAC_CONST(0.018470908767865) }, + { FRAC_CONST(0.025150117819228), FRAC_CONST(0.018548155533070) }, + { FRAC_CONST(0.025093094518776), FRAC_CONST(0.018625227715971) }, + { FRAC_CONST(0.025035835032562), FRAC_CONST(0.018702124591135) }, + { FRAC_CONST(0.024978339899534), FRAC_CONST(0.018778845434780) }, + { FRAC_CONST(0.024920609660858), FRAC_CONST(0.018855389524780) }, + { FRAC_CONST(0.024862644859912), FRAC_CONST(0.018931756140672) }, + { FRAC_CONST(0.024804446042284), FRAC_CONST(0.019007944563666) }, + { FRAC_CONST(0.024746013755764), FRAC_CONST(0.019083954076646) }, + { FRAC_CONST(0.024687348550337), FRAC_CONST(0.019159783964183) }, + { FRAC_CONST(0.024628450978184), FRAC_CONST(0.019235433512536) }, + { FRAC_CONST(0.024569321593670), FRAC_CONST(0.019310902009663) }, + { FRAC_CONST(0.024509960953345), FRAC_CONST(0.019386188745225) }, + { FRAC_CONST(0.024450369615932), FRAC_CONST(0.019461293010596) }, + { FRAC_CONST(0.024390548142329), FRAC_CONST(0.019536214098866) }, + { FRAC_CONST(0.024330497095598), FRAC_CONST(0.019610951304848) }, + { FRAC_CONST(0.024270217040961), FRAC_CONST(0.019685503925087) }, + { FRAC_CONST(0.024209708545799), FRAC_CONST(0.019759871257867) }, + { FRAC_CONST(0.024148972179639), FRAC_CONST(0.019834052603212) }, + { FRAC_CONST(0.024088008514157), FRAC_CONST(0.019908047262901) }, + { FRAC_CONST(0.024026818123164), FRAC_CONST(0.019981854540467) }, + { FRAC_CONST(0.023965401582609), FRAC_CONST(0.020055473741208) }, + { FRAC_CONST(0.023903759470567), FRAC_CONST(0.020128904172192) }, + { FRAC_CONST(0.023841892367236), FRAC_CONST(0.020202145142264) }, + { FRAC_CONST(0.023779800854935), FRAC_CONST(0.020275195962052) }, + { FRAC_CONST(0.023717485518092), FRAC_CONST(0.020348055943974) }, + { FRAC_CONST(0.023654946943242), FRAC_CONST(0.020420724402244) }, + { FRAC_CONST(0.023592185719023), FRAC_CONST(0.020493200652878) }, + { FRAC_CONST(0.023529202436167), FRAC_CONST(0.020565484013703) }, + { FRAC_CONST(0.023465997687496), FRAC_CONST(0.020637573804361) }, + { FRAC_CONST(0.023402572067918), FRAC_CONST(0.020709469346314) }, + { FRAC_CONST(0.023338926174419), FRAC_CONST(0.020781169962854) }, + { FRAC_CONST(0.023275060606058), FRAC_CONST(0.020852674979108) }, + { FRAC_CONST(0.023210975963963), FRAC_CONST(0.020923983722044) }, + { FRAC_CONST(0.023146672851322), FRAC_CONST(0.020995095520475) }, + { FRAC_CONST(0.023082151873380), FRAC_CONST(0.021066009705072) }, + { FRAC_CONST(0.023017413637435), FRAC_CONST(0.021136725608363) }, + { FRAC_CONST(0.022952458752826), FRAC_CONST(0.021207242564742) }, + { FRAC_CONST(0.022887287830934), FRAC_CONST(0.021277559910478) }, + { FRAC_CONST(0.022821901485173), FRAC_CONST(0.021347676983716) }, + { FRAC_CONST(0.022756300330983), FRAC_CONST(0.021417593124488) }, + { FRAC_CONST(0.022690484985827), FRAC_CONST(0.021487307674717) }, + { FRAC_CONST(0.022624456069185), FRAC_CONST(0.021556819978223) }, + { FRAC_CONST(0.022558214202547), FRAC_CONST(0.021626129380729) }, + { FRAC_CONST(0.022491760009405), FRAC_CONST(0.021695235229869) }, + { FRAC_CONST(0.022425094115252), FRAC_CONST(0.021764136875192) }, + { FRAC_CONST(0.022358217147572), FRAC_CONST(0.021832833668171) }, + { FRAC_CONST(0.022291129735838), FRAC_CONST(0.021901324962204) }, + { FRAC_CONST(0.022223832511501), FRAC_CONST(0.021969610112625) }, + { FRAC_CONST(0.022156326107988), FRAC_CONST(0.022037688476709) }, + { FRAC_CONST(0.022088611160696), FRAC_CONST(0.022105559413676) }, + { FRAC_CONST(0.022020688306983), FRAC_CONST(0.022173222284699) }, + { FRAC_CONST(0.021952558186166), FRAC_CONST(0.022240676452909) }, + { FRAC_CONST(0.021884221439510), FRAC_CONST(0.022307921283403) }, + { FRAC_CONST(0.021815678710228), FRAC_CONST(0.022374956143245) }, + { FRAC_CONST(0.021746930643469), FRAC_CONST(0.022441780401478) }, + { FRAC_CONST(0.021677977886316), FRAC_CONST(0.022508393429127) }, + { FRAC_CONST(0.021608821087780), FRAC_CONST(0.022574794599206) }, + { FRAC_CONST(0.021539460898790), FRAC_CONST(0.022640983286719) }, + { FRAC_CONST(0.021469897972190), FRAC_CONST(0.022706958868676) }, + { FRAC_CONST(0.021400132962735), FRAC_CONST(0.022772720724087) }, + { FRAC_CONST(0.021330166527077), FRAC_CONST(0.022838268233979) }, + { FRAC_CONST(0.021259999323769), FRAC_CONST(0.022903600781391) }, + { FRAC_CONST(0.021189632013250), FRAC_CONST(0.022968717751391) }, + { FRAC_CONST(0.021119065257845), FRAC_CONST(0.023033618531071) }, + { FRAC_CONST(0.021048299721754), FRAC_CONST(0.023098302509561) }, + { FRAC_CONST(0.020977336071050), FRAC_CONST(0.023162769078031) }, + { FRAC_CONST(0.020906174973670), FRAC_CONST(0.023227017629698) }, + { FRAC_CONST(0.020834817099409), FRAC_CONST(0.023291047559828) }, + { FRAC_CONST(0.020763263119915), FRAC_CONST(0.023354858265748) }, + { FRAC_CONST(0.020691513708680), FRAC_CONST(0.023418449146848) }, + { FRAC_CONST(0.020619569541038), FRAC_CONST(0.023481819604585) }, + { FRAC_CONST(0.020547431294155), FRAC_CONST(0.023544969042494) }, + { FRAC_CONST(0.020475099647023), FRAC_CONST(0.023607896866186) }, + { FRAC_CONST(0.020402575280455), FRAC_CONST(0.023670602483363) }, + { FRAC_CONST(0.020329858877078), FRAC_CONST(0.023733085303813) }, + { FRAC_CONST(0.020256951121327), FRAC_CONST(0.023795344739427) }, + { FRAC_CONST(0.020183852699437), FRAC_CONST(0.023857380204193) }, + { FRAC_CONST(0.020110564299439), FRAC_CONST(0.023919191114211) }, + { FRAC_CONST(0.020037086611150), FRAC_CONST(0.023980776887692) }, + { FRAC_CONST(0.019963420326171), FRAC_CONST(0.024042136944968) }, + { FRAC_CONST(0.019889566137877), FRAC_CONST(0.024103270708495) }, + { FRAC_CONST(0.019815524741412), FRAC_CONST(0.024164177602859) }, + { FRAC_CONST(0.019741296833681), FRAC_CONST(0.024224857054779) }, + { FRAC_CONST(0.019666883113346), FRAC_CONST(0.024285308493120) }, + { FRAC_CONST(0.019592284280817), FRAC_CONST(0.024345531348888) }, + { FRAC_CONST(0.019517501038246), FRAC_CONST(0.024405525055242) }, + { FRAC_CONST(0.019442534089523), FRAC_CONST(0.024465289047500) }, + { FRAC_CONST(0.019367384140264), FRAC_CONST(0.024524822763141) }, + { FRAC_CONST(0.019292051897809), FRAC_CONST(0.024584125641809) }, + { FRAC_CONST(0.019216538071215), FRAC_CONST(0.024643197125323) }, + { FRAC_CONST(0.019140843371246), FRAC_CONST(0.024702036657681) }, + { FRAC_CONST(0.019064968510369), FRAC_CONST(0.024760643685063) }, + { FRAC_CONST(0.018988914202748), FRAC_CONST(0.024819017655836) }, + { FRAC_CONST(0.018912681164234), FRAC_CONST(0.024877158020562) }, + { FRAC_CONST(0.018836270112363), FRAC_CONST(0.024935064232003) }, + { FRAC_CONST(0.018759681766343), FRAC_CONST(0.024992735745123) }, + { FRAC_CONST(0.018682916847054), FRAC_CONST(0.025050172017095) }, + { FRAC_CONST(0.018605976077037), FRAC_CONST(0.025107372507308) }, + { FRAC_CONST(0.018528860180486), FRAC_CONST(0.025164336677369) }, + { FRAC_CONST(0.018451569883247), FRAC_CONST(0.025221063991110) }, + { FRAC_CONST(0.018374105912805), FRAC_CONST(0.025277553914591) }, + { FRAC_CONST(0.018296468998280), FRAC_CONST(0.025333805916107) }, + { FRAC_CONST(0.018218659870421), FRAC_CONST(0.025389819466194) }, + { FRAC_CONST(0.018140679261596), FRAC_CONST(0.025445594037630) }, + { FRAC_CONST(0.018062527905790), FRAC_CONST(0.025501129105445) }, + { FRAC_CONST(0.017984206538592), FRAC_CONST(0.025556424146920) }, + { FRAC_CONST(0.017905715897192), FRAC_CONST(0.025611478641598) }, + { FRAC_CONST(0.017827056720375), FRAC_CONST(0.025666292071285) }, + { FRAC_CONST(0.017748229748511), FRAC_CONST(0.025720863920056) }, + { FRAC_CONST(0.017669235723550), FRAC_CONST(0.025775193674260) }, + { FRAC_CONST(0.017590075389012), FRAC_CONST(0.025829280822525) }, + { FRAC_CONST(0.017510749489986), FRAC_CONST(0.025883124855762) }, + { FRAC_CONST(0.017431258773116), FRAC_CONST(0.025936725267170) }, + { FRAC_CONST(0.017351603986600), FRAC_CONST(0.025990081552242) }, + { FRAC_CONST(0.017271785880180), FRAC_CONST(0.026043193208768) }, + { FRAC_CONST(0.017191805205132), FRAC_CONST(0.026096059736841) }, + { FRAC_CONST(0.017111662714267), FRAC_CONST(0.026148680638861) }, + { FRAC_CONST(0.017031359161915), FRAC_CONST(0.026201055419541) }, + { FRAC_CONST(0.016950895303924), FRAC_CONST(0.026253183585908) }, + { FRAC_CONST(0.016870271897651), FRAC_CONST(0.026305064647313) }, + { FRAC_CONST(0.016789489701954), FRAC_CONST(0.026356698115431) }, + { FRAC_CONST(0.016708549477186), FRAC_CONST(0.026408083504269) }, + { FRAC_CONST(0.016627451985187), FRAC_CONST(0.026459220330167) }, + { FRAC_CONST(0.016546197989277), FRAC_CONST(0.026510108111806) }, + { FRAC_CONST(0.016464788254250), FRAC_CONST(0.026560746370212) }, + { FRAC_CONST(0.016383223546365), FRAC_CONST(0.026611134628757) }, + { FRAC_CONST(0.016301504633341), FRAC_CONST(0.026661272413168) }, + { FRAC_CONST(0.016219632284346), FRAC_CONST(0.026711159251530) }, + { FRAC_CONST(0.016137607269996), FRAC_CONST(0.026760794674288) }, + { FRAC_CONST(0.016055430362340), FRAC_CONST(0.026810178214254) }, + { FRAC_CONST(0.015973102334858), FRAC_CONST(0.026859309406613) }, + { FRAC_CONST(0.015890623962454), FRAC_CONST(0.026908187788922) }, + { FRAC_CONST(0.015807996021446), FRAC_CONST(0.026956812901119) }, + { FRAC_CONST(0.015725219289558), FRAC_CONST(0.027005184285527) }, + { FRAC_CONST(0.015642294545918), FRAC_CONST(0.027053301486856) }, + { FRAC_CONST(0.015559222571044), FRAC_CONST(0.027101164052208) }, + { FRAC_CONST(0.015476004146842), FRAC_CONST(0.027148771531083) }, + { FRAC_CONST(0.015392640056594), FRAC_CONST(0.027196123475380) }, + { FRAC_CONST(0.015309131084956), FRAC_CONST(0.027243219439406) }, + { FRAC_CONST(0.015225478017946), FRAC_CONST(0.027290058979875) }, + { FRAC_CONST(0.015141681642938), FRAC_CONST(0.027336641655915) }, + { FRAC_CONST(0.015057742748656), FRAC_CONST(0.027382967029073) }, + { FRAC_CONST(0.014973662125164), FRAC_CONST(0.027429034663317) }, + { FRAC_CONST(0.014889440563862), FRAC_CONST(0.027474844125040) }, + { FRAC_CONST(0.014805078857474), FRAC_CONST(0.027520394983066) }, + { FRAC_CONST(0.014720577800046), FRAC_CONST(0.027565686808654) }, + { FRAC_CONST(0.014635938186934), FRAC_CONST(0.027610719175499) }, + { FRAC_CONST(0.014551160814797), FRAC_CONST(0.027655491659740) }, + { FRAC_CONST(0.014466246481592), FRAC_CONST(0.027700003839960) }, + { FRAC_CONST(0.014381195986567), FRAC_CONST(0.027744255297195) }, + { FRAC_CONST(0.014296010130247), FRAC_CONST(0.027788245614933) }, + { FRAC_CONST(0.014210689714436), FRAC_CONST(0.027831974379120) }, + { FRAC_CONST(0.014125235542201), FRAC_CONST(0.027875441178165) }, + { FRAC_CONST(0.014039648417870), FRAC_CONST(0.027918645602941) }, + { FRAC_CONST(0.013953929147020), FRAC_CONST(0.027961587246792) }, + { FRAC_CONST(0.013868078536476), FRAC_CONST(0.028004265705534) }, + { FRAC_CONST(0.013782097394294), FRAC_CONST(0.028046680577462) }, + { FRAC_CONST(0.013695986529763), FRAC_CONST(0.028088831463351) }, + { FRAC_CONST(0.013609746753390), FRAC_CONST(0.028130717966461) }, + { FRAC_CONST(0.013523378876898), FRAC_CONST(0.028172339692540) }, + { FRAC_CONST(0.013436883713214), FRAC_CONST(0.028213696249828) }, + { FRAC_CONST(0.013350262076462), FRAC_CONST(0.028254787249062) }, + { FRAC_CONST(0.013263514781960), FRAC_CONST(0.028295612303478) }, + { FRAC_CONST(0.013176642646205), FRAC_CONST(0.028336171028814) }, + { FRAC_CONST(0.013089646486871), FRAC_CONST(0.028376463043317) }, + { FRAC_CONST(0.013002527122799), FRAC_CONST(0.028416487967743) }, + { FRAC_CONST(0.012915285373990), FRAC_CONST(0.028456245425361) }, + { FRAC_CONST(0.012827922061597), FRAC_CONST(0.028495735041960) }, + { FRAC_CONST(0.012740438007915), FRAC_CONST(0.028534956445849) }, + { FRAC_CONST(0.012652834036379), FRAC_CONST(0.028573909267859) }, + { FRAC_CONST(0.012565110971550), FRAC_CONST(0.028612593141354) }, + { FRAC_CONST(0.012477269639111), FRAC_CONST(0.028651007702224) }, + { FRAC_CONST(0.012389310865858), FRAC_CONST(0.028689152588899) }, + { FRAC_CONST(0.012301235479693), FRAC_CONST(0.028727027442343) }, + { FRAC_CONST(0.012213044309615), FRAC_CONST(0.028764631906065) }, + { FRAC_CONST(0.012124738185712), FRAC_CONST(0.028801965626115) }, + { FRAC_CONST(0.012036317939156), FRAC_CONST(0.028839028251097) }, + { FRAC_CONST(0.011947784402191), FRAC_CONST(0.028875819432161) }, + { FRAC_CONST(0.011859138408130), FRAC_CONST(0.028912338823015) }, + { FRAC_CONST(0.011770380791341), FRAC_CONST(0.028948586079925) }, + { FRAC_CONST(0.011681512387245), FRAC_CONST(0.028984560861718) }, + { FRAC_CONST(0.011592534032306), FRAC_CONST(0.029020262829785) }, + { FRAC_CONST(0.011503446564022), FRAC_CONST(0.029055691648087) }, + { FRAC_CONST(0.011414250820918), FRAC_CONST(0.029090846983152) }, + { FRAC_CONST(0.011324947642537), FRAC_CONST(0.029125728504087) }, + { FRAC_CONST(0.011235537869437), FRAC_CONST(0.029160335882573) }, + { FRAC_CONST(0.011146022343175), FRAC_CONST(0.029194668792871) }, + { FRAC_CONST(0.011056401906305), FRAC_CONST(0.029228726911828) }, + { FRAC_CONST(0.010966677402371), FRAC_CONST(0.029262509918876) }, + { FRAC_CONST(0.010876849675891), FRAC_CONST(0.029296017496036) }, + { FRAC_CONST(0.010786919572361), FRAC_CONST(0.029329249327922) }, + { FRAC_CONST(0.010696887938235), FRAC_CONST(0.029362205101743) }, + { FRAC_CONST(0.010606755620926), FRAC_CONST(0.029394884507308) }, + { FRAC_CONST(0.010516523468793), FRAC_CONST(0.029427287237024) }, + { FRAC_CONST(0.010426192331137), FRAC_CONST(0.029459412985906) }, + { FRAC_CONST(0.010335763058187), FRAC_CONST(0.029491261451573) }, + { FRAC_CONST(0.010245236501099), FRAC_CONST(0.029522832334255) }, + { FRAC_CONST(0.010154613511943), FRAC_CONST(0.029554125336796) }, + { FRAC_CONST(0.010063894943698), FRAC_CONST(0.029585140164654) }, + { FRAC_CONST(0.009973081650240), FRAC_CONST(0.029615876525905) }, + { FRAC_CONST(0.009882174486340), FRAC_CONST(0.029646334131247) }, + { FRAC_CONST(0.009791174307650), FRAC_CONST(0.029676512694001) }, + { FRAC_CONST(0.009700081970699), FRAC_CONST(0.029706411930116) }, + { FRAC_CONST(0.009608898332881), FRAC_CONST(0.029736031558168) }, + { FRAC_CONST(0.009517624252453), FRAC_CONST(0.029765371299366) }, + { FRAC_CONST(0.009426260588521), FRAC_CONST(0.029794430877553) }, + { FRAC_CONST(0.009334808201034), FRAC_CONST(0.029823210019210) }, + { FRAC_CONST(0.009243267950778), FRAC_CONST(0.029851708453456) }, + { FRAC_CONST(0.009151640699363), FRAC_CONST(0.029879925912053) }, + { FRAC_CONST(0.009059927309220), FRAC_CONST(0.029907862129408) }, + { FRAC_CONST(0.008968128643591), FRAC_CONST(0.029935516842573) }, + { FRAC_CONST(0.008876245566520), FRAC_CONST(0.029962889791254) }, + { FRAC_CONST(0.008784278942845), FRAC_CONST(0.029989980717805) }, + { FRAC_CONST(0.008692229638191), FRAC_CONST(0.030016789367235) }, + { FRAC_CONST(0.008600098518961), FRAC_CONST(0.030043315487212) }, + { FRAC_CONST(0.008507886452329), FRAC_CONST(0.030069558828062) }, + { FRAC_CONST(0.008415594306230), FRAC_CONST(0.030095519142772) }, + { FRAC_CONST(0.008323222949351), FRAC_CONST(0.030121196186994) }, + { FRAC_CONST(0.008230773251129), FRAC_CONST(0.030146589719046) }, + { FRAC_CONST(0.008138246081733), FRAC_CONST(0.030171699499915) }, + { FRAC_CONST(0.008045642312067), FRAC_CONST(0.030196525293257) }, + { FRAC_CONST(0.007952962813750), FRAC_CONST(0.030221066865402) }, + { FRAC_CONST(0.007860208459119), FRAC_CONST(0.030245323985357) }, + { FRAC_CONST(0.007767380121212), FRAC_CONST(0.030269296424803) }, + { FRAC_CONST(0.007674478673766), FRAC_CONST(0.030292983958103) }, + { FRAC_CONST(0.007581504991203), FRAC_CONST(0.030316386362302) }, + { FRAC_CONST(0.007488459948628), FRAC_CONST(0.030339503417126) }, + { FRAC_CONST(0.007395344421816), FRAC_CONST(0.030362334904989) }, + { FRAC_CONST(0.007302159287206), FRAC_CONST(0.030384880610993) }, + { FRAC_CONST(0.007208905421891), FRAC_CONST(0.030407140322928) }, + { FRAC_CONST(0.007115583703613), FRAC_CONST(0.030429113831278) }, + { FRAC_CONST(0.007022195010752), FRAC_CONST(0.030450800929220) }, + { FRAC_CONST(0.006928740222316), FRAC_CONST(0.030472201412626) }, + { FRAC_CONST(0.006835220217939), FRAC_CONST(0.030493315080068) }, + { FRAC_CONST(0.006741635877866), FRAC_CONST(0.030514141732814) }, + { FRAC_CONST(0.006647988082948), FRAC_CONST(0.030534681174838) }, + { FRAC_CONST(0.006554277714635), FRAC_CONST(0.030554933212813) }, + { FRAC_CONST(0.006460505654964), FRAC_CONST(0.030574897656119) }, + { FRAC_CONST(0.006366672786553), FRAC_CONST(0.030594574316845) }, + { FRAC_CONST(0.006272779992593), FRAC_CONST(0.030613963009786) }, + { FRAC_CONST(0.006178828156839), FRAC_CONST(0.030633063552447) }, + { FRAC_CONST(0.006084818163601), FRAC_CONST(0.030651875765048) }, + { FRAC_CONST(0.005990750897737), FRAC_CONST(0.030670399470520) }, + { FRAC_CONST(0.005896627244644), FRAC_CONST(0.030688634494512) }, + { FRAC_CONST(0.005802448090250), FRAC_CONST(0.030706580665388) }, + { FRAC_CONST(0.005708214321004), FRAC_CONST(0.030724237814232) }, + { FRAC_CONST(0.005613926823871), FRAC_CONST(0.030741605774849) }, + { FRAC_CONST(0.005519586486321), FRAC_CONST(0.030758684383764) }, + { FRAC_CONST(0.005425194196321), FRAC_CONST(0.030775473480228) }, + { FRAC_CONST(0.005330750842327), FRAC_CONST(0.030791972906214) }, + { FRAC_CONST(0.005236257313276), FRAC_CONST(0.030808182506425) }, + { FRAC_CONST(0.005141714498576), FRAC_CONST(0.030824102128288) }, + { FRAC_CONST(0.005047123288102), FRAC_CONST(0.030839731621963) }, + { FRAC_CONST(0.004952484572181), FRAC_CONST(0.030855070840339) }, + { FRAC_CONST(0.004857799241589), FRAC_CONST(0.030870119639036) }, + { FRAC_CONST(0.004763068187541), FRAC_CONST(0.030884877876411) }, + { FRAC_CONST(0.004668292301681), FRAC_CONST(0.030899345413553) }, + { FRAC_CONST(0.004573472476075), FRAC_CONST(0.030913522114288) }, + { FRAC_CONST(0.004478609603205), FRAC_CONST(0.030927407845180) }, + { FRAC_CONST(0.004383704575956), FRAC_CONST(0.030941002475530) }, + { FRAC_CONST(0.004288758287610), FRAC_CONST(0.030954305877381) }, + { FRAC_CONST(0.004193771631837), FRAC_CONST(0.030967317925516) }, + { FRAC_CONST(0.004098745502689), FRAC_CONST(0.030980038497461) }, + { FRAC_CONST(0.004003680794587), FRAC_CONST(0.030992467473486) }, + { FRAC_CONST(0.003908578402316), FRAC_CONST(0.031004604736602) }, + { FRAC_CONST(0.003813439221017), FRAC_CONST(0.031016450172571) }, + { FRAC_CONST(0.003718264146176), FRAC_CONST(0.031028003669899) }, + { FRAC_CONST(0.003623054073616), FRAC_CONST(0.031039265119839) }, + { FRAC_CONST(0.003527809899492), FRAC_CONST(0.031050234416394) }, + { FRAC_CONST(0.003432532520278), FRAC_CONST(0.031060911456318) }, + { FRAC_CONST(0.003337222832760), FRAC_CONST(0.031071296139114) }, + { FRAC_CONST(0.003241881734029), FRAC_CONST(0.031081388367037) }, + { FRAC_CONST(0.003146510121474), FRAC_CONST(0.031091188045095) }, + { FRAC_CONST(0.003051108892766), FRAC_CONST(0.031100695081051) }, + { FRAC_CONST(0.002955678945860), FRAC_CONST(0.031109909385419) }, + { FRAC_CONST(0.002860221178978), FRAC_CONST(0.031118830871473) }, + { FRAC_CONST(0.002764736490604), FRAC_CONST(0.031127459455239) }, + { FRAC_CONST(0.002669225779478), FRAC_CONST(0.031135795055501) }, + { FRAC_CONST(0.002573689944583), FRAC_CONST(0.031143837593803) }, + { FRAC_CONST(0.002478129885137), FRAC_CONST(0.031151586994444) }, + { FRAC_CONST(0.002382546500589), FRAC_CONST(0.031159043184484) }, + { FRAC_CONST(0.002286940690606), FRAC_CONST(0.031166206093743) }, + { FRAC_CONST(0.002191313355067), FRAC_CONST(0.031173075654800) }, + { FRAC_CONST(0.002095665394051), FRAC_CONST(0.031179651802998) }, + { FRAC_CONST(0.001999997707835), FRAC_CONST(0.031185934476438) }, + { FRAC_CONST(0.001904311196878), FRAC_CONST(0.031191923615985) }, + { FRAC_CONST(0.001808606761820), FRAC_CONST(0.031197619165268) }, + { FRAC_CONST(0.001712885303465), FRAC_CONST(0.031203021070678) }, + { FRAC_CONST(0.001617147722782), FRAC_CONST(0.031208129281370) }, + { FRAC_CONST(0.001521394920889), FRAC_CONST(0.031212943749264) }, + { FRAC_CONST(0.001425627799047), FRAC_CONST(0.031217464429043) }, + { FRAC_CONST(0.001329847258653), FRAC_CONST(0.031221691278159) }, + { FRAC_CONST(0.001234054201231), FRAC_CONST(0.031225624256825) }, + { FRAC_CONST(0.001138249528420), FRAC_CONST(0.031229263328024) }, + { FRAC_CONST(0.001042434141971), FRAC_CONST(0.031232608457502) }, + { FRAC_CONST(0.000946608943736), FRAC_CONST(0.031235659613775) }, + { FRAC_CONST(0.000850774835656), FRAC_CONST(0.031238416768124) }, + { FRAC_CONST(0.000754932719759), FRAC_CONST(0.031240879894597) }, + { FRAC_CONST(0.000659083498149), FRAC_CONST(0.031243048970010) }, + { FRAC_CONST(0.000563228072993), FRAC_CONST(0.031244923973948) }, + { FRAC_CONST(0.000467367346520), FRAC_CONST(0.031246504888762) }, + { FRAC_CONST(0.000371502221008), FRAC_CONST(0.031247791699571) }, + { FRAC_CONST(0.000275633598775), FRAC_CONST(0.031248784394264) }, + { FRAC_CONST(0.000179762382174), FRAC_CONST(0.031249482963498) }, + { FRAC_CONST(0.000083889473581), FRAC_CONST(0.031249887400697) } + }; + + /* 64 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_256[] = { + { FRAC_CONST(0.088387931675923), FRAC_CONST(0.000271171628935) }, + { FRAC_CONST(0.088354655998507), FRAC_CONST(0.002440238387037) }, + { FRAC_CONST(0.088268158780110), FRAC_CONST(0.004607835236780) }, + { FRAC_CONST(0.088128492123423), FRAC_CONST(0.006772656498875) }, + { FRAC_CONST(0.087935740158418), FRAC_CONST(0.008933398165942) }, + { FRAC_CONST(0.087690018991670), FRAC_CONST(0.011088758687994) }, + { FRAC_CONST(0.087391476636423), FRAC_CONST(0.013237439756448) }, + { FRAC_CONST(0.087040292923427), FRAC_CONST(0.015378147086172) }, + { FRAC_CONST(0.086636679392621), FRAC_CONST(0.017509591195118) }, + { FRAC_CONST(0.086180879165703), FRAC_CONST(0.019630488181053) }, + { FRAC_CONST(0.085673166799686), FRAC_CONST(0.021739560494940) }, + { FRAC_CONST(0.085113848121515), FRAC_CONST(0.023835537710479) }, + { FRAC_CONST(0.084503260043847), FRAC_CONST(0.025917157289369) }, + { FRAC_CONST(0.083841770362110), FRAC_CONST(0.027983165341813) }, + { FRAC_CONST(0.083129777532952), FRAC_CONST(0.030032317381813) }, + { FRAC_CONST(0.082367710434230), FRAC_CONST(0.032063379076803) }, + { FRAC_CONST(0.081556028106671), FRAC_CONST(0.034075126991164) }, + { FRAC_CONST(0.080695219477356), FRAC_CONST(0.036066349323177) }, + { FRAC_CONST(0.079785803065216), FRAC_CONST(0.038035846634965) }, + { FRAC_CONST(0.078828326668693), FRAC_CONST(0.039982432574992) }, + { FRAC_CONST(0.077823367035766), FRAC_CONST(0.041904934592675) }, + { FRAC_CONST(0.076771529516540), FRAC_CONST(0.043802194644686) }, + { FRAC_CONST(0.075673447698606), FRAC_CONST(0.045673069892513) }, + { FRAC_CONST(0.074529783025390), FRAC_CONST(0.047516433390863) }, + { FRAC_CONST(0.073341224397728), FRAC_CONST(0.049331174766491) }, + { FRAC_CONST(0.072108487758894), FRAC_CONST(0.051116200887052) }, + { FRAC_CONST(0.070832315663343), FRAC_CONST(0.052870436519557) }, + { FRAC_CONST(0.069513476829429), FRAC_CONST(0.054592824978055) }, + { FRAC_CONST(0.068152765676348), FRAC_CONST(0.056282328760143) }, + { FRAC_CONST(0.066751001845620), FRAC_CONST(0.057937930171918) }, + { FRAC_CONST(0.065309029707361), FRAC_CONST(0.059558631940996) }, + { FRAC_CONST(0.063827717851668), FRAC_CONST(0.061143457817234) }, + { FRAC_CONST(0.062307958565413), FRAC_CONST(0.062691453160784) }, + { FRAC_CONST(0.060750667294763), FRAC_CONST(0.064201685517134) }, + { FRAC_CONST(0.059156782093749), FRAC_CONST(0.065673245178784) }, + { FRAC_CONST(0.057527263059216), FRAC_CONST(0.067105245733220) }, + { FRAC_CONST(0.055863091752499), FRAC_CONST(0.068496824596852) }, + { FRAC_CONST(0.054165270608165), FRAC_CONST(0.069847143534609) }, + { FRAC_CONST(0.052434822330188), FRAC_CONST(0.071155389164853) }, + { FRAC_CONST(0.050672789275903), FRAC_CONST(0.072420773449336) }, + { FRAC_CONST(0.048880232828135), FRAC_CONST(0.073642534167879) }, + { FRAC_CONST(0.047058232755862), FRAC_CONST(0.074819935377512) }, + { FRAC_CONST(0.045207886563797), FRAC_CONST(0.075952267855771) }, + { FRAC_CONST(0.043330308831298), FRAC_CONST(0.077038849527912) }, + { FRAC_CONST(0.041426630540984), FRAC_CONST(0.078079025877766) }, + { FRAC_CONST(0.039497998397473), FRAC_CONST(0.079072170341994) }, + { FRAC_CONST(0.037545574136653), FRAC_CONST(0.080017684687506) }, + { FRAC_CONST(0.035570533825892), FRAC_CONST(0.080914999371817) }, + { FRAC_CONST(0.033574067155622), FRAC_CONST(0.081763573886112) }, + { FRAC_CONST(0.031557376722714), FRAC_CONST(0.082562897080836) }, + { FRAC_CONST(0.029521677306074), FRAC_CONST(0.083312487473584) }, + { FRAC_CONST(0.027468195134911), FRAC_CONST(0.084011893539132) }, + { FRAC_CONST(0.025398167150101), FRAC_CONST(0.084660693981419) }, + { FRAC_CONST(0.023312840259098), FRAC_CONST(0.085258497987320) }, + { FRAC_CONST(0.021213470584847), FRAC_CONST(0.085804945462053) }, + { FRAC_CONST(0.019101322709138), FRAC_CONST(0.086299707246093) }, + { FRAC_CONST(0.016977668910873), FRAC_CONST(0.086742485313442) }, + { FRAC_CONST(0.014843788399692), FRAC_CONST(0.087133012951149) }, + { FRAC_CONST(0.012700966545425), FRAC_CONST(0.087471054919968) }, + { FRAC_CONST(0.010550494103830), FRAC_CONST(0.087756407596056) }, + { FRAC_CONST(0.008393666439096), FRAC_CONST(0.087988899093631) }, + { FRAC_CONST(0.006231782743558), FRAC_CONST(0.088168389368510) }, + { FRAC_CONST(0.004066145255116), FRAC_CONST(0.088294770302461) }, + { FRAC_CONST(0.001898058472816), FRAC_CONST(0.088367965768336) } + }; + +#ifdef LD_DEC + /* 128 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_1024[] = { + { FRAC_CONST(0.044194160825012), FRAC_CONST(0.000033896503468) }, + { FRAC_CONST(0.044193120897389), FRAC_CONST(0.000305066138364) }, + { FRAC_CONST(0.044190417123742), FRAC_CONST(0.000576224287693) }, + { FRAC_CONST(0.044186049605866), FRAC_CONST(0.000847360742503) }, + { FRAC_CONST(0.044180018508197), FRAC_CONST(0.001118465294660) }, + { FRAC_CONST(0.044172324057802), FRAC_CONST(0.001389527737231) }, + { FRAC_CONST(0.044162966544372), FRAC_CONST(0.001660537864867) }, + { FRAC_CONST(0.044151946320213), FRAC_CONST(0.001931485474192) }, + { FRAC_CONST(0.044139263800230), FRAC_CONST(0.002202360364180) }, + { FRAC_CONST(0.044124919461912), FRAC_CONST(0.002473152336546) }, + { FRAC_CONST(0.044108913845316), FRAC_CONST(0.002743851196123) }, + { FRAC_CONST(0.044091247553044), FRAC_CONST(0.003014446751254) }, + { FRAC_CONST(0.044071921250223), FRAC_CONST(0.003284928814169) }, + { FRAC_CONST(0.044050935664476), FRAC_CONST(0.003555287201370) }, + { FRAC_CONST(0.044028291585898), FRAC_CONST(0.003825511734018) }, + { FRAC_CONST(0.044003989867028), FRAC_CONST(0.004095592238311) }, + { FRAC_CONST(0.043978031422810), FRAC_CONST(0.004365518545871) }, + { FRAC_CONST(0.043950417230565), FRAC_CONST(0.004635280494126) }, + { FRAC_CONST(0.043921148329953), FRAC_CONST(0.004904867926689) }, + { FRAC_CONST(0.043890225822930), FRAC_CONST(0.005174270693748) }, + { FRAC_CONST(0.043857650873712), FRAC_CONST(0.005443478652439) }, + { FRAC_CONST(0.043823424708727), FRAC_CONST(0.005712481667236) }, + { FRAC_CONST(0.043787548616571), FRAC_CONST(0.005981269610326) }, + { FRAC_CONST(0.043750023947958), FRAC_CONST(0.006249832361997) }, + { FRAC_CONST(0.043710852115672), FRAC_CONST(0.006518159811011) }, + { FRAC_CONST(0.043670034594508), FRAC_CONST(0.006786241854993) }, + { FRAC_CONST(0.043627572921225), FRAC_CONST(0.007054068400804) }, + { FRAC_CONST(0.043583468694479), FRAC_CONST(0.007321629364927) }, + { FRAC_CONST(0.043537723574771), FRAC_CONST(0.007588914673843) }, + { FRAC_CONST(0.043490339284377), FRAC_CONST(0.007855914264410) }, + { FRAC_CONST(0.043441317607290), FRAC_CONST(0.008122618084246) }, + { FRAC_CONST(0.043390660389149), FRAC_CONST(0.008389016092101) }, + { FRAC_CONST(0.043338369537168), FRAC_CONST(0.008655098258243) }, + { FRAC_CONST(0.043284447020070), FRAC_CONST(0.008920854564826) }, + { FRAC_CONST(0.043228894868005), FRAC_CONST(0.009186275006278) }, + { FRAC_CONST(0.043171715172482), FRAC_CONST(0.009451349589667) }, + { FRAC_CONST(0.043112910086283), FRAC_CONST(0.009716068335087) }, + { FRAC_CONST(0.043052481823387), FRAC_CONST(0.009980421276025) }, + { FRAC_CONST(0.042990432658884), FRAC_CONST(0.010244398459743) }, + { FRAC_CONST(0.042926764928889), FRAC_CONST(0.010507989947649) }, + { FRAC_CONST(0.042861481030457), FRAC_CONST(0.010771185815673) }, + { FRAC_CONST(0.042794583421490), FRAC_CONST(0.011033976154639) }, + { FRAC_CONST(0.042726074620644), FRAC_CONST(0.011296351070639) }, + { FRAC_CONST(0.042655957207238), FRAC_CONST(0.011558300685406) }, + { FRAC_CONST(0.042584233821153), FRAC_CONST(0.011819815136685) }, + { FRAC_CONST(0.042510907162732), FRAC_CONST(0.012080884578604) }, + { FRAC_CONST(0.042435979992684), FRAC_CONST(0.012341499182048) }, + { FRAC_CONST(0.042359455131975), FRAC_CONST(0.012601649135022) }, + { FRAC_CONST(0.042281335461721), FRAC_CONST(0.012861324643029) }, + { FRAC_CONST(0.042201623923085), FRAC_CONST(0.013120515929433) }, + { FRAC_CONST(0.042120323517160), FRAC_CONST(0.013379213235827) }, + { FRAC_CONST(0.042037437304862), FRAC_CONST(0.013637406822406) }, + { FRAC_CONST(0.041952968406809), FRAC_CONST(0.013895086968325) }, + { FRAC_CONST(0.041866920003207), FRAC_CONST(0.014152243972073) }, + { FRAC_CONST(0.041779295333730), FRAC_CONST(0.014408868151835) }, + { FRAC_CONST(0.041690097697398), FRAC_CONST(0.014664949845855) }, + { FRAC_CONST(0.041599330452450), FRAC_CONST(0.014920479412801) }, + { FRAC_CONST(0.041506997016224), FRAC_CONST(0.015175447232131) }, + { FRAC_CONST(0.041413100865019), FRAC_CONST(0.015429843704450) }, + { FRAC_CONST(0.041317645533974), FRAC_CONST(0.015683659251874) }, + { FRAC_CONST(0.041220634616927), FRAC_CONST(0.015936884318392) }, + { FRAC_CONST(0.041122071766285), FRAC_CONST(0.016189509370223) }, + { FRAC_CONST(0.041021960692883), FRAC_CONST(0.016441524896177) }, + { FRAC_CONST(0.040920305165846), FRAC_CONST(0.016692921408010) }, + { FRAC_CONST(0.040817109012449), FRAC_CONST(0.016943689440788) }, + { FRAC_CONST(0.040712376117967), FRAC_CONST(0.017193819553235) }, + { FRAC_CONST(0.040606110425535), FRAC_CONST(0.017443302328094) }, + { FRAC_CONST(0.040498315935996), FRAC_CONST(0.017692128372479) }, + { FRAC_CONST(0.040388996707752), FRAC_CONST(0.017940288318230) }, + { FRAC_CONST(0.040278156856609), FRAC_CONST(0.018187772822267) }, + { FRAC_CONST(0.040165800555627), FRAC_CONST(0.018434572566936) }, + { FRAC_CONST(0.040051932034955), FRAC_CONST(0.018680678260367) }, + { FRAC_CONST(0.039936555581679), FRAC_CONST(0.018926080636820) }, + { FRAC_CONST(0.039819675539659), FRAC_CONST(0.019170770457035) }, + { FRAC_CONST(0.039701296309360), FRAC_CONST(0.019414738508577) }, + { FRAC_CONST(0.039581422347694), FRAC_CONST(0.019657975606187) }, + { FRAC_CONST(0.039460058167849), FRAC_CONST(0.019900472592126) }, + { FRAC_CONST(0.039337208339116), FRAC_CONST(0.020142220336521) }, + { FRAC_CONST(0.039212877486723), FRAC_CONST(0.020383209737704) }, + { FRAC_CONST(0.039087070291656), FRAC_CONST(0.020623431722561) }, + { FRAC_CONST(0.038959791490485), FRAC_CONST(0.020862877246870) }, + { FRAC_CONST(0.038831045875184), FRAC_CONST(0.021101537295642) }, + { FRAC_CONST(0.038700838292953), FRAC_CONST(0.021339402883462) }, + { FRAC_CONST(0.038569173646034), FRAC_CONST(0.021576465054824) }, + { FRAC_CONST(0.038436056891527), FRAC_CONST(0.021812714884472) }, + { FRAC_CONST(0.038301493041202), FRAC_CONST(0.022048143477734) }, + { FRAC_CONST(0.038165487161312), FRAC_CONST(0.022282741970855) }, + { FRAC_CONST(0.038028044372402), FRAC_CONST(0.022516501531335) }, + { FRAC_CONST(0.037889169849115), FRAC_CONST(0.022749413358259) }, + { FRAC_CONST(0.037748868819998), FRAC_CONST(0.022981468682628) }, + { FRAC_CONST(0.037607146567305), FRAC_CONST(0.023212658767690) }, + { FRAC_CONST(0.037464008426800), FRAC_CONST(0.023442974909269) }, + { FRAC_CONST(0.037319459787553), FRAC_CONST(0.023672408436094) }, + { FRAC_CONST(0.037173506091737), FRAC_CONST(0.023900950710120) }, + { FRAC_CONST(0.037026152834428), FRAC_CONST(0.024128593126861) }, + { FRAC_CONST(0.036877405563392), FRAC_CONST(0.024355327115708) }, + { FRAC_CONST(0.036727269878879), FRAC_CONST(0.024581144140255) }, + { FRAC_CONST(0.036575751433414), FRAC_CONST(0.024806035698618) }, + { FRAC_CONST(0.036422855931580), FRAC_CONST(0.025029993323758) }, + { FRAC_CONST(0.036268589129807), FRAC_CONST(0.025253008583796) }, + { FRAC_CONST(0.036112956836151), FRAC_CONST(0.025475073082334) }, + { FRAC_CONST(0.035955964910083), FRAC_CONST(0.025696178458769) }, + { FRAC_CONST(0.035797619262257), FRAC_CONST(0.025916316388609) }, + { FRAC_CONST(0.035637925854300), FRAC_CONST(0.026135478583784) }, + { FRAC_CONST(0.035476890698576), FRAC_CONST(0.026353656792963) }, + { FRAC_CONST(0.035314519857970), FRAC_CONST(0.026570842801858) }, + { FRAC_CONST(0.035150819445650), FRAC_CONST(0.026787028433540) }, + { FRAC_CONST(0.034985795624846), FRAC_CONST(0.027002205548742) }, + { FRAC_CONST(0.034819454608610), FRAC_CONST(0.027216366046166) }, + { FRAC_CONST(0.034651802659589), FRAC_CONST(0.027429501862792) }, + { FRAC_CONST(0.034482846089783), FRAC_CONST(0.027641604974175) }, + { FRAC_CONST(0.034312591260311), FRAC_CONST(0.027852667394755) }, + { FRAC_CONST(0.034141044581172), FRAC_CONST(0.028062681178149) }, + { FRAC_CONST(0.033968212511001), FRAC_CONST(0.028271638417458) }, + { FRAC_CONST(0.033794101556828), FRAC_CONST(0.028479531245560) }, + { FRAC_CONST(0.033618718273831), FRAC_CONST(0.028686351835407) }, + { FRAC_CONST(0.033442069265093), FRAC_CONST(0.028892092400321) }, + { FRAC_CONST(0.033264161181349), FRAC_CONST(0.029096745194286) }, + { FRAC_CONST(0.033085000720737), FRAC_CONST(0.029300302512241) }, + { FRAC_CONST(0.032904594628548), FRAC_CONST(0.029502756690366) }, + { FRAC_CONST(0.032722949696969), FRAC_CONST(0.029704100106376) }, + { FRAC_CONST(0.032540072764829), FRAC_CONST(0.029904325179807) }, + { FRAC_CONST(0.032355970717341), FRAC_CONST(0.030103424372297) }, + { FRAC_CONST(0.032170650485843), FRAC_CONST(0.030301390187873) }, + { FRAC_CONST(0.031984119047537), FRAC_CONST(0.030498215173235) }, + { FRAC_CONST(0.031796383425227), FRAC_CONST(0.030693891918034) }, + { FRAC_CONST(0.031607450687052), FRAC_CONST(0.030888413055150) }, + { FRAC_CONST(0.031417327946223), FRAC_CONST(0.031081771260973) }, + { FRAC_CONST(0.031226022360754), FRAC_CONST(0.031273959255676) }, + { FRAC_CONST(0.031033541133193), FRAC_CONST(0.031464969803488) }, + { FRAC_CONST(0.030839891510348), FRAC_CONST(0.031654795712972) }, + { FRAC_CONST(0.030645080783018), FRAC_CONST(0.031843429837288) }, + { FRAC_CONST(0.030449116285718), FRAC_CONST(0.032030865074469) }, + { FRAC_CONST(0.030252005396399), FRAC_CONST(0.032217094367684) }, + { FRAC_CONST(0.030053755536176), FRAC_CONST(0.032402110705505) }, + { FRAC_CONST(0.029854374169043), FRAC_CONST(0.032585907122172) }, + { FRAC_CONST(0.029653868801596), FRAC_CONST(0.032768476697853) }, + { FRAC_CONST(0.029452246982750), FRAC_CONST(0.032949812558907) }, + { FRAC_CONST(0.029249516303451), FRAC_CONST(0.033129907878142) }, + { FRAC_CONST(0.029045684396395), FRAC_CONST(0.033308755875070) }, + { FRAC_CONST(0.028840758935738), FRAC_CONST(0.033486349816166) }, + { FRAC_CONST(0.028634747636808), FRAC_CONST(0.033662683015118) }, + { FRAC_CONST(0.028427658255815), FRAC_CONST(0.033837748833080) }, + { FRAC_CONST(0.028219498589555), FRAC_CONST(0.034011540678924) }, + { FRAC_CONST(0.028010276475123), FRAC_CONST(0.034184052009485) }, + { FRAC_CONST(0.027799999789613), FRAC_CONST(0.034355276329809) }, + { FRAC_CONST(0.027588676449824), FRAC_CONST(0.034525207193396) }, + { FRAC_CONST(0.027376314411959), FRAC_CONST(0.034693838202447) }, + { FRAC_CONST(0.027162921671330), FRAC_CONST(0.034861163008098) }, + { FRAC_CONST(0.026948506262053), FRAC_CONST(0.035027175310665) }, + { FRAC_CONST(0.026733076256746), FRAC_CONST(0.035191868859880) }, + { FRAC_CONST(0.026516639766228), FRAC_CONST(0.035355237455122) }, + { FRAC_CONST(0.026299204939210), FRAC_CONST(0.035517274945657) }, + { FRAC_CONST(0.026080779961991), FRAC_CONST(0.035677975230865) }, + { FRAC_CONST(0.025861373058146), FRAC_CONST(0.035837332260471) }, + { FRAC_CONST(0.025640992488223), FRAC_CONST(0.035995340034772) }, + { FRAC_CONST(0.025419646549425), FRAC_CONST(0.036151992604866) }, + { FRAC_CONST(0.025197343575302), FRAC_CONST(0.036307284072871) }, + { FRAC_CONST(0.024974091935435), FRAC_CONST(0.036461208592152) }, + { FRAC_CONST(0.024749900035122), FRAC_CONST(0.036613760367538) }, + { FRAC_CONST(0.024524776315061), FRAC_CONST(0.036764933655540) }, + { FRAC_CONST(0.024298729251033), FRAC_CONST(0.036914722764569) }, + { FRAC_CONST(0.024071767353583), FRAC_CONST(0.037063122055150) }, + { FRAC_CONST(0.023843899167697), FRAC_CONST(0.037210125940135) }, + { FRAC_CONST(0.023615133272485), FRAC_CONST(0.037355728884908) }, + { FRAC_CONST(0.023385478280852), FRAC_CONST(0.037499925407603) }, + { FRAC_CONST(0.023154942839179), FRAC_CONST(0.037642710079302) }, + { FRAC_CONST(0.022923535626995), FRAC_CONST(0.037784077524241) }, + { FRAC_CONST(0.022691265356652), FRAC_CONST(0.037924022420018) }, + { FRAC_CONST(0.022458140772993), FRAC_CONST(0.038062539497785) }, + { FRAC_CONST(0.022224170653027), FRAC_CONST(0.038199623542453) }, + { FRAC_CONST(0.021989363805598), FRAC_CONST(0.038335269392885) }, + { FRAC_CONST(0.021753729071049), FRAC_CONST(0.038469471942092) }, + { FRAC_CONST(0.021517275320897), FRAC_CONST(0.038602226137423) }, + { FRAC_CONST(0.021280011457490), FRAC_CONST(0.038733526980758) }, + { FRAC_CONST(0.021041946413679), FRAC_CONST(0.038863369528695) }, + { FRAC_CONST(0.020803089152479), FRAC_CONST(0.038991748892734) }, + { FRAC_CONST(0.020563448666730), FRAC_CONST(0.039118660239466) }, + { FRAC_CONST(0.020323033978761), FRAC_CONST(0.039244098790750) }, + { FRAC_CONST(0.020081854140050), FRAC_CONST(0.039368059823895) }, + { FRAC_CONST(0.019839918230880), FRAC_CONST(0.039490538671839) }, + { FRAC_CONST(0.019597235360003), FRAC_CONST(0.039611530723322) }, + { FRAC_CONST(0.019353814664291), FRAC_CONST(0.039731031423061) }, + { FRAC_CONST(0.019109665308395), FRAC_CONST(0.039849036271924) }, + { FRAC_CONST(0.018864796484402), FRAC_CONST(0.039965540827094) }, + { FRAC_CONST(0.018619217411483), FRAC_CONST(0.040080540702240) }, + { FRAC_CONST(0.018372937335552), FRAC_CONST(0.040194031567683) }, + { FRAC_CONST(0.018125965528915), FRAC_CONST(0.040306009150554) }, + { FRAC_CONST(0.017878311289921), FRAC_CONST(0.040416469234963) }, + { FRAC_CONST(0.017629983942612), FRAC_CONST(0.040525407662148) }, + { FRAC_CONST(0.017380992836371), FRAC_CONST(0.040632820330639) }, + { FRAC_CONST(0.017131347345575), FRAC_CONST(0.040738703196411) }, + { FRAC_CONST(0.016881056869233), FRAC_CONST(0.040843052273033) }, + { FRAC_CONST(0.016630130830641), FRAC_CONST(0.040945863631822) }, + { FRAC_CONST(0.016378578677023), FRAC_CONST(0.041047133401988) }, + { FRAC_CONST(0.016126409879175), FRAC_CONST(0.041146857770781) }, + { FRAC_CONST(0.015873633931110), FRAC_CONST(0.041245032983635) }, + { FRAC_CONST(0.015620260349699), FRAC_CONST(0.041341655344309) }, + { FRAC_CONST(0.015366298674314), FRAC_CONST(0.041436721215026) }, + { FRAC_CONST(0.015111758466470), FRAC_CONST(0.041530227016609) }, + { FRAC_CONST(0.014856649309460), FRAC_CONST(0.041622169228618) }, + { FRAC_CONST(0.014600980808001), FRAC_CONST(0.041712544389481) }, + { FRAC_CONST(0.014344762587867), FRAC_CONST(0.041801349096623) }, + { FRAC_CONST(0.014088004295529), FRAC_CONST(0.041888580006598) }, + { FRAC_CONST(0.013830715597792), FRAC_CONST(0.041974233835211) }, + { FRAC_CONST(0.013572906181430), FRAC_CONST(0.042058307357645) }, + { FRAC_CONST(0.013314585752822), FRAC_CONST(0.042140797408577) }, + { FRAC_CONST(0.013055764037585), FRAC_CONST(0.042221700882306) }, + { FRAC_CONST(0.012796450780212), FRAC_CONST(0.042301014732860) }, + { FRAC_CONST(0.012536655743699), FRAC_CONST(0.042378735974118) }, + { FRAC_CONST(0.012276388709183), FRAC_CONST(0.042454861679919) }, + { FRAC_CONST(0.012015659475571), FRAC_CONST(0.042529388984173) }, + { FRAC_CONST(0.011754477859172), FRAC_CONST(0.042602315080970) }, + { FRAC_CONST(0.011492853693324), FRAC_CONST(0.042673637224683) }, + { FRAC_CONST(0.011230796828031), FRAC_CONST(0.042743352730074) }, + { FRAC_CONST(0.010968317129584), FRAC_CONST(0.042811458972393) }, + { FRAC_CONST(0.010705424480197), FRAC_CONST(0.042877953387479) }, + { FRAC_CONST(0.010442128777629), FRAC_CONST(0.042942833471854) }, + { FRAC_CONST(0.010178439934815), FRAC_CONST(0.043006096782821) }, + { FRAC_CONST(0.009914367879490), FRAC_CONST(0.043067740938551) }, + { FRAC_CONST(0.009649922553818), FRAC_CONST(0.043127763618177) }, + { FRAC_CONST(0.009385113914016), FRAC_CONST(0.043186162561878) }, + { FRAC_CONST(0.009119951929979), FRAC_CONST(0.043242935570968) }, + { FRAC_CONST(0.008854446584907), FRAC_CONST(0.043298080507974) }, + { FRAC_CONST(0.008588607874926), FRAC_CONST(0.043351595296722) }, + { FRAC_CONST(0.008322445808712), FRAC_CONST(0.043403477922409) }, + { FRAC_CONST(0.008055970407118), FRAC_CONST(0.043453726431684) }, + { FRAC_CONST(0.007789191702791), FRAC_CONST(0.043502338932719) }, + { FRAC_CONST(0.007522119739798), FRAC_CONST(0.043549313595281) }, + { FRAC_CONST(0.007254764573250), FRAC_CONST(0.043594648650800) }, + { FRAC_CONST(0.006987136268915), FRAC_CONST(0.043638342392438) }, + { FRAC_CONST(0.006719244902849), FRAC_CONST(0.043680393175148) }, + { FRAC_CONST(0.006451100561010), FRAC_CONST(0.043720799415744) }, + { FRAC_CONST(0.006182713338881), FRAC_CONST(0.043759559592953) }, + { FRAC_CONST(0.005914093341090), FRAC_CONST(0.043796672247476) }, + { FRAC_CONST(0.005645250681027), FRAC_CONST(0.043832135982044) }, + { FRAC_CONST(0.005376195480466), FRAC_CONST(0.043865949461465) }, + { FRAC_CONST(0.005106937869184), FRAC_CONST(0.043898111412683) }, + { FRAC_CONST(0.004837487984578), FRAC_CONST(0.043928620624817) }, + { FRAC_CONST(0.004567855971284), FRAC_CONST(0.043957475949213) }, + { FRAC_CONST(0.004298051980793), FRAC_CONST(0.043984676299484) }, + { FRAC_CONST(0.004028086171076), FRAC_CONST(0.044010220651553) }, + { FRAC_CONST(0.003757968706190), FRAC_CONST(0.044034108043689) }, + { FRAC_CONST(0.003487709755907), FRAC_CONST(0.044056337576546) }, + { FRAC_CONST(0.003217319495322), FRAC_CONST(0.044076908413193) }, + { FRAC_CONST(0.002946808104477), FRAC_CONST(0.044095819779151) }, + { FRAC_CONST(0.002676185767973), FRAC_CONST(0.044113070962418) }, + { FRAC_CONST(0.002405462674586), FRAC_CONST(0.044128661313495) }, + { FRAC_CONST(0.002134649016890), FRAC_CONST(0.044142590245416) }, + { FRAC_CONST(0.001863754990865), FRAC_CONST(0.044154857233763) }, + { FRAC_CONST(0.001592790795518), FRAC_CONST(0.044165461816692) }, + { FRAC_CONST(0.001321766632497), FRAC_CONST(0.044174403594946) }, + { FRAC_CONST(0.001050692705710), FRAC_CONST(0.044181682231873) }, + { FRAC_CONST(0.000779579220936), FRAC_CONST(0.044187297453434) }, + { FRAC_CONST(0.000508436385446), FRAC_CONST(0.044191249048222) }, + { FRAC_CONST(0.000237274407613), FRAC_CONST(0.044193536867459) } + }; +#endif // LD_DEC + +#ifdef ALLOW_SMALL_FRAMELENGTH + /* 480 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_1920[] = { + { FRAC_CONST(0.032274858518097), FRAC_CONST(0.000013202404176) }, + { FRAC_CONST(0.032274642494505), FRAC_CONST(0.000118821372483) }, + { FRAC_CONST(0.032274080835421), FRAC_CONST(0.000224439068308) }, + { FRAC_CONST(0.032273173546860), FRAC_CONST(0.000330054360572) }, + { FRAC_CONST(0.032271920638538), FRAC_CONST(0.000435666118218) }, + { FRAC_CONST(0.032270322123873), FRAC_CONST(0.000541273210231) }, + { FRAC_CONST(0.032268378019984), FRAC_CONST(0.000646874505642) }, + { FRAC_CONST(0.032266088347691), FRAC_CONST(0.000752468873546) }, + { FRAC_CONST(0.032263453131514), FRAC_CONST(0.000858055183114) }, + { FRAC_CONST(0.032260472399674), FRAC_CONST(0.000963632303600) }, + { FRAC_CONST(0.032257146184092), FRAC_CONST(0.001069199104358) }, + { FRAC_CONST(0.032253474520390), FRAC_CONST(0.001174754454853) }, + { FRAC_CONST(0.032249457447888), FRAC_CONST(0.001280297224671) }, + { FRAC_CONST(0.032245095009606), FRAC_CONST(0.001385826283535) }, + { FRAC_CONST(0.032240387252262), FRAC_CONST(0.001491340501313) }, + { FRAC_CONST(0.032235334226272), FRAC_CONST(0.001596838748031) }, + { FRAC_CONST(0.032229935985750), FRAC_CONST(0.001702319893890) }, + { FRAC_CONST(0.032224192588507), FRAC_CONST(0.001807782809271) }, + { FRAC_CONST(0.032218104096050), FRAC_CONST(0.001913226364749) }, + { FRAC_CONST(0.032211670573582), FRAC_CONST(0.002018649431111) }, + { FRAC_CONST(0.032204892090000), FRAC_CONST(0.002124050879359) }, + { FRAC_CONST(0.032197768717898), FRAC_CONST(0.002229429580728) }, + { FRAC_CONST(0.032190300533560), FRAC_CONST(0.002334784406698) }, + { FRAC_CONST(0.032182487616965), FRAC_CONST(0.002440114229003) }, + { FRAC_CONST(0.032174330051782), FRAC_CONST(0.002545417919644) }, + { FRAC_CONST(0.032165827925374), FRAC_CONST(0.002650694350905) }, + { FRAC_CONST(0.032156981328790), FRAC_CONST(0.002755942395358) }, + { FRAC_CONST(0.032147790356771), FRAC_CONST(0.002861160925883) }, + { FRAC_CONST(0.032138255107744), FRAC_CONST(0.002966348815672) }, + { FRAC_CONST(0.032128375683825), FRAC_CONST(0.003071504938250) }, + { FRAC_CONST(0.032118152190814), FRAC_CONST(0.003176628167476) }, + { FRAC_CONST(0.032107584738196), FRAC_CONST(0.003281717377568) }, + { FRAC_CONST(0.032096673439141), FRAC_CONST(0.003386771443102) }, + { FRAC_CONST(0.032085418410500), FRAC_CONST(0.003491789239036) }, + { FRAC_CONST(0.032073819772804), FRAC_CONST(0.003596769640711) }, + { FRAC_CONST(0.032061877650267), FRAC_CONST(0.003701711523874) }, + { FRAC_CONST(0.032049592170778), FRAC_CONST(0.003806613764680) }, + { FRAC_CONST(0.032036963465906), FRAC_CONST(0.003911475239711) }, + { FRAC_CONST(0.032023991670893), FRAC_CONST(0.004016294825985) }, + { FRAC_CONST(0.032010676924657), FRAC_CONST(0.004121071400967) }, + { FRAC_CONST(0.031997019369789), FRAC_CONST(0.004225803842586) }, + { FRAC_CONST(0.031983019152549), FRAC_CONST(0.004330491029241) }, + { FRAC_CONST(0.031968676422869), FRAC_CONST(0.004435131839816) }, + { FRAC_CONST(0.031953991334348), FRAC_CONST(0.004539725153692) }, + { FRAC_CONST(0.031938964044252), FRAC_CONST(0.004644269850758) }, + { FRAC_CONST(0.031923594713510), FRAC_CONST(0.004748764811426) }, + { FRAC_CONST(0.031907883506716), FRAC_CONST(0.004853208916638) }, + { FRAC_CONST(0.031891830592124), FRAC_CONST(0.004957601047881) }, + { FRAC_CONST(0.031875436141648), FRAC_CONST(0.005061940087200) }, + { FRAC_CONST(0.031858700330859), FRAC_CONST(0.005166224917208) }, + { FRAC_CONST(0.031841623338985), FRAC_CONST(0.005270454421097) }, + { FRAC_CONST(0.031824205348907), FRAC_CONST(0.005374627482653) }, + { FRAC_CONST(0.031806446547156), FRAC_CONST(0.005478742986267) }, + { FRAC_CONST(0.031788347123916), FRAC_CONST(0.005582799816945) }, + { FRAC_CONST(0.031769907273017), FRAC_CONST(0.005686796860323) }, + { FRAC_CONST(0.031751127191935), FRAC_CONST(0.005790733002674) }, + { FRAC_CONST(0.031732007081789), FRAC_CONST(0.005894607130928) }, + { FRAC_CONST(0.031712547147340), FRAC_CONST(0.005998418132675) }, + { FRAC_CONST(0.031692747596989), FRAC_CONST(0.006102164896182) }, + { FRAC_CONST(0.031672608642773), FRAC_CONST(0.006205846310406) }, + { FRAC_CONST(0.031652130500364), FRAC_CONST(0.006309461265002) }, + { FRAC_CONST(0.031631313389067), FRAC_CONST(0.006413008650337) }, + { FRAC_CONST(0.031610157531816), FRAC_CONST(0.006516487357501) }, + { FRAC_CONST(0.031588663155172), FRAC_CONST(0.006619896278321) }, + { FRAC_CONST(0.031566830489325), FRAC_CONST(0.006723234305370) }, + { FRAC_CONST(0.031544659768083), FRAC_CONST(0.006826500331981) }, + { FRAC_CONST(0.031522151228878), FRAC_CONST(0.006929693252258) }, + { FRAC_CONST(0.031499305112758), FRAC_CONST(0.007032811961088) }, + { FRAC_CONST(0.031476121664387), FRAC_CONST(0.007135855354151) }, + { FRAC_CONST(0.031452601132040), FRAC_CONST(0.007238822327937) }, + { FRAC_CONST(0.031428743767604), FRAC_CONST(0.007341711779751) }, + { FRAC_CONST(0.031404549826572), FRAC_CONST(0.007444522607730) }, + { FRAC_CONST(0.031380019568042), FRAC_CONST(0.007547253710853) }, + { FRAC_CONST(0.031355153254712), FRAC_CONST(0.007649903988952) }, + { FRAC_CONST(0.031329951152882), FRAC_CONST(0.007752472342725) }, + { FRAC_CONST(0.031304413532445), FRAC_CONST(0.007854957673748) }, + { FRAC_CONST(0.031278540666888), FRAC_CONST(0.007957358884484) }, + { FRAC_CONST(0.031252332833290), FRAC_CONST(0.008059674878300) }, + { FRAC_CONST(0.031225790312316), FRAC_CONST(0.008161904559473) }, + { FRAC_CONST(0.031198913388214), FRAC_CONST(0.008264046833205) }, + { FRAC_CONST(0.031171702348814), FRAC_CONST(0.008366100605636) }, + { FRAC_CONST(0.031144157485525), FRAC_CONST(0.008468064783849) }, + { FRAC_CONST(0.031116279093331), FRAC_CONST(0.008569938275893) }, + { FRAC_CONST(0.031088067470786), FRAC_CONST(0.008671719990782) }, + { FRAC_CONST(0.031059522920014), FRAC_CONST(0.008773408838517) }, + { FRAC_CONST(0.031030645746705), FRAC_CONST(0.008875003730092) }, + { FRAC_CONST(0.031001436260110), FRAC_CONST(0.008976503577507) }, + { FRAC_CONST(0.030971894773039), FRAC_CONST(0.009077907293780) }, + { FRAC_CONST(0.030942021601857), FRAC_CONST(0.009179213792959) }, + { FRAC_CONST(0.030911817066483), FRAC_CONST(0.009280421990133) }, + { FRAC_CONST(0.030881281490382), FRAC_CONST(0.009381530801444) }, + { FRAC_CONST(0.030850415200566), FRAC_CONST(0.009482539144097) }, + { FRAC_CONST(0.030819218527589), FRAC_CONST(0.009583445936373) }, + { FRAC_CONST(0.030787691805541), FRAC_CONST(0.009684250097643) }, + { FRAC_CONST(0.030755835372048), FRAC_CONST(0.009784950548375) }, + { FRAC_CONST(0.030723649568268), FRAC_CONST(0.009885546210147) }, + { FRAC_CONST(0.030691134738883), FRAC_CONST(0.009986036005661) }, + { FRAC_CONST(0.030658291232103), FRAC_CONST(0.010086418858753) }, + { FRAC_CONST(0.030625119399655), FRAC_CONST(0.010186693694402) }, + { FRAC_CONST(0.030591619596781), FRAC_CONST(0.010286859438745) }, + { FRAC_CONST(0.030557792182239), FRAC_CONST(0.010386915019088) }, + { FRAC_CONST(0.030523637518292), FRAC_CONST(0.010486859363916) }, + { FRAC_CONST(0.030489155970710), FRAC_CONST(0.010586691402906) }, + { FRAC_CONST(0.030454347908763), FRAC_CONST(0.010686410066936) }, + { FRAC_CONST(0.030419213705216), FRAC_CONST(0.010786014288099) }, + { FRAC_CONST(0.030383753736329), FRAC_CONST(0.010885502999714) }, + { FRAC_CONST(0.030347968381849), FRAC_CONST(0.010984875136338) }, + { FRAC_CONST(0.030311858025010), FRAC_CONST(0.011084129633775) }, + { FRAC_CONST(0.030275423052523), FRAC_CONST(0.011183265429088) }, + { FRAC_CONST(0.030238663854579), FRAC_CONST(0.011282281460612) }, + { FRAC_CONST(0.030201580824838), FRAC_CONST(0.011381176667967) }, + { FRAC_CONST(0.030164174360430), FRAC_CONST(0.011479949992062) }, + { FRAC_CONST(0.030126444861948), FRAC_CONST(0.011578600375117) }, + { FRAC_CONST(0.030088392733446), FRAC_CONST(0.011677126760663) }, + { FRAC_CONST(0.030050018382430), FRAC_CONST(0.011775528093563) }, + { FRAC_CONST(0.030011322219859), FRAC_CONST(0.011873803320018) }, + { FRAC_CONST(0.029972304660138), FRAC_CONST(0.011971951387578) }, + { FRAC_CONST(0.029932966121114), FRAC_CONST(0.012069971245157) }, + { FRAC_CONST(0.029893307024070), FRAC_CONST(0.012167861843041) }, + { FRAC_CONST(0.029853327793724), FRAC_CONST(0.012265622132901) }, + { FRAC_CONST(0.029813028858222), FRAC_CONST(0.012363251067801) }, + { FRAC_CONST(0.029772410649132), FRAC_CONST(0.012460747602215) }, + { FRAC_CONST(0.029731473601443), FRAC_CONST(0.012558110692033) }, + { FRAC_CONST(0.029690218153558), FRAC_CONST(0.012655339294575) }, + { FRAC_CONST(0.029648644747289), FRAC_CONST(0.012752432368600) }, + { FRAC_CONST(0.029606753827855), FRAC_CONST(0.012849388874320) }, + { FRAC_CONST(0.029564545843872), FRAC_CONST(0.012946207773407) }, + { FRAC_CONST(0.029522021247356), FRAC_CONST(0.013042888029011) }, + { FRAC_CONST(0.029479180493710), FRAC_CONST(0.013139428605762) }, + { FRAC_CONST(0.029436024041725), FRAC_CONST(0.013235828469789) }, + { FRAC_CONST(0.029392552353570), FRAC_CONST(0.013332086588727) }, + { FRAC_CONST(0.029348765894794), FRAC_CONST(0.013428201931728) }, + { FRAC_CONST(0.029304665134313), FRAC_CONST(0.013524173469475) }, + { FRAC_CONST(0.029260250544412), FRAC_CONST(0.013620000174189) }, + { FRAC_CONST(0.029215522600735), FRAC_CONST(0.013715681019643) }, + { FRAC_CONST(0.029170481782283), FRAC_CONST(0.013811214981173) }, + { FRAC_CONST(0.029125128571406), FRAC_CONST(0.013906601035686) }, + { FRAC_CONST(0.029079463453801), FRAC_CONST(0.014001838161674) }, + { FRAC_CONST(0.029033486918505), FRAC_CONST(0.014096925339225) }, + { FRAC_CONST(0.028987199457889), FRAC_CONST(0.014191861550031) }, + { FRAC_CONST(0.028940601567655), FRAC_CONST(0.014286645777401) }, + { FRAC_CONST(0.028893693746829), FRAC_CONST(0.014381277006273) }, + { FRAC_CONST(0.028846476497755), FRAC_CONST(0.014475754223221) }, + { FRAC_CONST(0.028798950326094), FRAC_CONST(0.014570076416472) }, + { FRAC_CONST(0.028751115740811), FRAC_CONST(0.014664242575910) }, + { FRAC_CONST(0.028702973254178), FRAC_CONST(0.014758251693091) }, + { FRAC_CONST(0.028654523381760), FRAC_CONST(0.014852102761253) }, + { FRAC_CONST(0.028605766642418), FRAC_CONST(0.014945794775326) }, + { FRAC_CONST(0.028556703558297), FRAC_CONST(0.015039326731945) }, + { FRAC_CONST(0.028507334654823), FRAC_CONST(0.015132697629457) }, + { FRAC_CONST(0.028457660460698), FRAC_CONST(0.015225906467935) }, + { FRAC_CONST(0.028407681507891), FRAC_CONST(0.015318952249187) }, + { FRAC_CONST(0.028357398331639), FRAC_CONST(0.015411833976768) }, + { FRAC_CONST(0.028306811470432), FRAC_CONST(0.015504550655988) }, + { FRAC_CONST(0.028255921466016), FRAC_CONST(0.015597101293927) }, + { FRAC_CONST(0.028204728863381), FRAC_CONST(0.015689484899442) }, + { FRAC_CONST(0.028153234210760), FRAC_CONST(0.015781700483179) }, + { FRAC_CONST(0.028101438059619), FRAC_CONST(0.015873747057582) }, + { FRAC_CONST(0.028049340964652), FRAC_CONST(0.015965623636907) }, + { FRAC_CONST(0.027996943483779), FRAC_CONST(0.016057329237229) }, + { FRAC_CONST(0.027944246178133), FRAC_CONST(0.016148862876456) }, + { FRAC_CONST(0.027891249612061), FRAC_CONST(0.016240223574335) }, + { FRAC_CONST(0.027837954353113), FRAC_CONST(0.016331410352467) }, + { FRAC_CONST(0.027784360972039), FRAC_CONST(0.016422422234315) }, + { FRAC_CONST(0.027730470042780), FRAC_CONST(0.016513258245214) }, + { FRAC_CONST(0.027676282142466), FRAC_CONST(0.016603917412384) }, + { FRAC_CONST(0.027621797851405), FRAC_CONST(0.016694398764938) }, + { FRAC_CONST(0.027567017753080), FRAC_CONST(0.016784701333894) }, + { FRAC_CONST(0.027511942434143), FRAC_CONST(0.016874824152183) }, + { FRAC_CONST(0.027456572484404), FRAC_CONST(0.016964766254662) }, + { FRAC_CONST(0.027400908496833), FRAC_CONST(0.017054526678124) }, + { FRAC_CONST(0.027344951067546), FRAC_CONST(0.017144104461307) }, + { FRAC_CONST(0.027288700795801), FRAC_CONST(0.017233498644904) }, + { FRAC_CONST(0.027232158283994), FRAC_CONST(0.017322708271577) }, + { FRAC_CONST(0.027175324137651), FRAC_CONST(0.017411732385960) }, + { FRAC_CONST(0.027118198965418), FRAC_CONST(0.017500570034678) }, + { FRAC_CONST(0.027060783379060), FRAC_CONST(0.017589220266351) }, + { FRAC_CONST(0.027003077993454), FRAC_CONST(0.017677682131607) }, + { FRAC_CONST(0.026945083426576), FRAC_CONST(0.017765954683088) }, + { FRAC_CONST(0.026886800299502), FRAC_CONST(0.017854036975468) }, + { FRAC_CONST(0.026828229236397), FRAC_CONST(0.017941928065456) }, + { FRAC_CONST(0.026769370864511), FRAC_CONST(0.018029627011808) }, + { FRAC_CONST(0.026710225814170), FRAC_CONST(0.018117132875340) }, + { FRAC_CONST(0.026650794718768), FRAC_CONST(0.018204444718934) }, + { FRAC_CONST(0.026591078214767), FRAC_CONST(0.018291561607551) }, + { FRAC_CONST(0.026531076941680), FRAC_CONST(0.018378482608238) }, + { FRAC_CONST(0.026470791542075), FRAC_CONST(0.018465206790142) }, + { FRAC_CONST(0.026410222661558), FRAC_CONST(0.018551733224515) }, + { FRAC_CONST(0.026349370948775), FRAC_CONST(0.018638060984730) }, + { FRAC_CONST(0.026288237055398), FRAC_CONST(0.018724189146286) }, + { FRAC_CONST(0.026226821636121), FRAC_CONST(0.018810116786819) }, + { FRAC_CONST(0.026165125348656), FRAC_CONST(0.018895842986112) }, + { FRAC_CONST(0.026103148853718), FRAC_CONST(0.018981366826109) }, + { FRAC_CONST(0.026040892815028), FRAC_CONST(0.019066687390916) }, + { FRAC_CONST(0.025978357899296), FRAC_CONST(0.019151803766819) }, + { FRAC_CONST(0.025915544776223), FRAC_CONST(0.019236715042290) }, + { FRAC_CONST(0.025852454118485), FRAC_CONST(0.019321420307998) }, + { FRAC_CONST(0.025789086601733), FRAC_CONST(0.019405918656817) }, + { FRAC_CONST(0.025725442904582), FRAC_CONST(0.019490209183837) }, + { FRAC_CONST(0.025661523708606), FRAC_CONST(0.019574290986376) }, + { FRAC_CONST(0.025597329698327), FRAC_CONST(0.019658163163984) }, + { FRAC_CONST(0.025532861561211), FRAC_CONST(0.019741824818458) }, + { FRAC_CONST(0.025468119987662), FRAC_CONST(0.019825275053848) }, + { FRAC_CONST(0.025403105671008), FRAC_CONST(0.019908512976470) }, + { FRAC_CONST(0.025337819307501), FRAC_CONST(0.019991537694913) }, + { FRAC_CONST(0.025272261596305), FRAC_CONST(0.020074348320047) }, + { FRAC_CONST(0.025206433239491), FRAC_CONST(0.020156943965039) }, + { FRAC_CONST(0.025140334942028), FRAC_CONST(0.020239323745355) }, + { FRAC_CONST(0.025073967411776), FRAC_CONST(0.020321486778774) }, + { FRAC_CONST(0.025007331359476), FRAC_CONST(0.020403432185395) }, + { FRAC_CONST(0.024940427498748), FRAC_CONST(0.020485159087650) }, + { FRAC_CONST(0.024873256546079), FRAC_CONST(0.020566666610309) }, + { FRAC_CONST(0.024805819220816), FRAC_CONST(0.020647953880491) }, + { FRAC_CONST(0.024738116245157), FRAC_CONST(0.020729020027676) }, + { FRAC_CONST(0.024670148344147), FRAC_CONST(0.020809864183709) }, + { FRAC_CONST(0.024601916245669), FRAC_CONST(0.020890485482816) }, + { FRAC_CONST(0.024533420680433), FRAC_CONST(0.020970883061607) }, + { FRAC_CONST(0.024464662381971), FRAC_CONST(0.021051056059087) }, + { FRAC_CONST(0.024395642086630), FRAC_CONST(0.021131003616670) }, + { FRAC_CONST(0.024326360533561), FRAC_CONST(0.021210724878181) }, + { FRAC_CONST(0.024256818464715), FRAC_CONST(0.021290218989868) }, + { FRAC_CONST(0.024187016624830), FRAC_CONST(0.021369485100415) }, + { FRAC_CONST(0.024116955761430), FRAC_CONST(0.021448522360944) }, + { FRAC_CONST(0.024046636624808), FRAC_CONST(0.021527329925030) }, + { FRAC_CONST(0.023976059968027), FRAC_CONST(0.021605906948708) }, + { FRAC_CONST(0.023905226546906), FRAC_CONST(0.021684252590480) }, + { FRAC_CONST(0.023834137120014), FRAC_CONST(0.021762366011328) }, + { FRAC_CONST(0.023762792448662), FRAC_CONST(0.021840246374720) }, + { FRAC_CONST(0.023691193296893), FRAC_CONST(0.021917892846620) }, + { FRAC_CONST(0.023619340431478), FRAC_CONST(0.021995304595495) }, + { FRAC_CONST(0.023547234621902), FRAC_CONST(0.022072480792330) }, + { FRAC_CONST(0.023474876640361), FRAC_CONST(0.022149420610628) }, + { FRAC_CONST(0.023402267261751), FRAC_CONST(0.022226123226426) }, + { FRAC_CONST(0.023329407263659), FRAC_CONST(0.022302587818300) }, + { FRAC_CONST(0.023256297426359), FRAC_CONST(0.022378813567377) }, + { FRAC_CONST(0.023182938532797), FRAC_CONST(0.022454799657339) }, + { FRAC_CONST(0.023109331368588), FRAC_CONST(0.022530545274437) }, + { FRAC_CONST(0.023035476722006), FRAC_CONST(0.022606049607496) }, + { FRAC_CONST(0.022961375383975), FRAC_CONST(0.022681311847926) }, + { FRAC_CONST(0.022887028148061), FRAC_CONST(0.022756331189727) }, + { FRAC_CONST(0.022812435810462), FRAC_CONST(0.022831106829504) }, + { FRAC_CONST(0.022737599170003), FRAC_CONST(0.022905637966469) }, + { FRAC_CONST(0.022662519028125), FRAC_CONST(0.022979923802453) }, + { FRAC_CONST(0.022587196188874), FRAC_CONST(0.023053963541915) }, + { FRAC_CONST(0.022511631458899), FRAC_CONST(0.023127756391950) }, + { FRAC_CONST(0.022435825647437), FRAC_CONST(0.023201301562294) }, + { FRAC_CONST(0.022359779566306), FRAC_CONST(0.023274598265338) }, + { FRAC_CONST(0.022283494029900), FRAC_CONST(0.023347645716133) }, + { FRAC_CONST(0.022206969855176), FRAC_CONST(0.023420443132400) }, + { FRAC_CONST(0.022130207861645), FRAC_CONST(0.023492989734537) }, + { FRAC_CONST(0.022053208871367), FRAC_CONST(0.023565284745628) }, + { FRAC_CONST(0.021975973708940), FRAC_CONST(0.023637327391451) }, + { FRAC_CONST(0.021898503201489), FRAC_CONST(0.023709116900488) }, + { FRAC_CONST(0.021820798178663), FRAC_CONST(0.023780652503931) }, + { FRAC_CONST(0.021742859472618), FRAC_CONST(0.023851933435691) }, + { FRAC_CONST(0.021664687918017), FRAC_CONST(0.023922958932406) }, + { FRAC_CONST(0.021586284352013), FRAC_CONST(0.023993728233451) }, + { FRAC_CONST(0.021507649614247), FRAC_CONST(0.024064240580942) }, + { FRAC_CONST(0.021428784546832), FRAC_CONST(0.024134495219750) }, + { FRAC_CONST(0.021349689994350), FRAC_CONST(0.024204491397504) }, + { FRAC_CONST(0.021270366803840), FRAC_CONST(0.024274228364600) }, + { FRAC_CONST(0.021190815824791), FRAC_CONST(0.024343705374213) }, + { FRAC_CONST(0.021111037909128), FRAC_CONST(0.024412921682298) }, + { FRAC_CONST(0.021031033911210), FRAC_CONST(0.024481876547605) }, + { FRAC_CONST(0.020950804687815), FRAC_CONST(0.024550569231683) }, + { FRAC_CONST(0.020870351098134), FRAC_CONST(0.024618998998889) }, + { FRAC_CONST(0.020789674003759), FRAC_CONST(0.024687165116394) }, + { FRAC_CONST(0.020708774268678), FRAC_CONST(0.024755066854194) }, + { FRAC_CONST(0.020627652759262), FRAC_CONST(0.024822703485116) }, + { FRAC_CONST(0.020546310344257), FRAC_CONST(0.024890074284826) }, + { FRAC_CONST(0.020464747894775), FRAC_CONST(0.024957178531837) }, + { FRAC_CONST(0.020382966284284), FRAC_CONST(0.025024015507516) }, + { FRAC_CONST(0.020300966388600), FRAC_CONST(0.025090584496093) }, + { FRAC_CONST(0.020218749085876), FRAC_CONST(0.025156884784668) }, + { FRAC_CONST(0.020136315256592), FRAC_CONST(0.025222915663218) }, + { FRAC_CONST(0.020053665783549), FRAC_CONST(0.025288676424605) }, + { FRAC_CONST(0.019970801551857), FRAC_CONST(0.025354166364584) }, + { FRAC_CONST(0.019887723448925), FRAC_CONST(0.025419384781811) }, + { FRAC_CONST(0.019804432364452), FRAC_CONST(0.025484330977848) }, + { FRAC_CONST(0.019720929190419), FRAC_CONST(0.025549004257175) }, + { FRAC_CONST(0.019637214821078), FRAC_CONST(0.025613403927192) }, + { FRAC_CONST(0.019553290152943), FRAC_CONST(0.025677529298230) }, + { FRAC_CONST(0.019469156084779), FRAC_CONST(0.025741379683559) }, + { FRAC_CONST(0.019384813517595), FRAC_CONST(0.025804954399392) }, + { FRAC_CONST(0.019300263354632), FRAC_CONST(0.025868252764895) }, + { FRAC_CONST(0.019215506501354), FRAC_CONST(0.025931274102193) }, + { FRAC_CONST(0.019130543865439), FRAC_CONST(0.025994017736379) }, + { FRAC_CONST(0.019045376356769), FRAC_CONST(0.026056482995518) }, + { FRAC_CONST(0.018960004887419), FRAC_CONST(0.026118669210657) }, + { FRAC_CONST(0.018874430371648), FRAC_CONST(0.026180575715833) }, + { FRAC_CONST(0.018788653725892), FRAC_CONST(0.026242201848076) }, + { FRAC_CONST(0.018702675868750), FRAC_CONST(0.026303546947421) }, + { FRAC_CONST(0.018616497720974), FRAC_CONST(0.026364610356909) }, + { FRAC_CONST(0.018530120205464), FRAC_CONST(0.026425391422602) }, + { FRAC_CONST(0.018443544247254), FRAC_CONST(0.026485889493583) }, + { FRAC_CONST(0.018356770773502), FRAC_CONST(0.026546103921965) }, + { FRAC_CONST(0.018269800713483), FRAC_CONST(0.026606034062902) }, + { FRAC_CONST(0.018182634998576), FRAC_CONST(0.026665679274589) }, + { FRAC_CONST(0.018095274562256), FRAC_CONST(0.026725038918274) }, + { FRAC_CONST(0.018007720340083), FRAC_CONST(0.026784112358263) }, + { FRAC_CONST(0.017919973269692), FRAC_CONST(0.026842898961926) }, + { FRAC_CONST(0.017832034290785), FRAC_CONST(0.026901398099707) }, + { FRAC_CONST(0.017743904345116), FRAC_CONST(0.026959609145127) }, + { FRAC_CONST(0.017655584376488), FRAC_CONST(0.027017531474792) }, + { FRAC_CONST(0.017567075330734), FRAC_CONST(0.027075164468401) }, + { FRAC_CONST(0.017478378155718), FRAC_CONST(0.027132507508750) }, + { FRAC_CONST(0.017389493801313), FRAC_CONST(0.027189559981742) }, + { FRAC_CONST(0.017300423219401), FRAC_CONST(0.027246321276391) }, + { FRAC_CONST(0.017211167363854), FRAC_CONST(0.027302790784828) }, + { FRAC_CONST(0.017121727190533), FRAC_CONST(0.027358967902310) }, + { FRAC_CONST(0.017032103657269), FRAC_CONST(0.027414852027226) }, + { FRAC_CONST(0.016942297723858), FRAC_CONST(0.027470442561102) }, + { FRAC_CONST(0.016852310352050), FRAC_CONST(0.027525738908608) }, + { FRAC_CONST(0.016762142505537), FRAC_CONST(0.027580740477564) }, + { FRAC_CONST(0.016671795149944), FRAC_CONST(0.027635446678948) }, + { FRAC_CONST(0.016581269252819), FRAC_CONST(0.027689856926900) }, + { FRAC_CONST(0.016490565783622), FRAC_CONST(0.027743970638730) }, + { FRAC_CONST(0.016399685713714), FRAC_CONST(0.027797787234924) }, + { FRAC_CONST(0.016308630016347), FRAC_CONST(0.027851306139149) }, + { FRAC_CONST(0.016217399666655), FRAC_CONST(0.027904526778260) }, + { FRAC_CONST(0.016125995641641), FRAC_CONST(0.027957448582309) }, + { FRAC_CONST(0.016034418920170), FRAC_CONST(0.028010070984544) }, + { FRAC_CONST(0.015942670482954), FRAC_CONST(0.028062393421421) }, + { FRAC_CONST(0.015850751312545), FRAC_CONST(0.028114415332610) }, + { FRAC_CONST(0.015758662393324), FRAC_CONST(0.028166136160998) }, + { FRAC_CONST(0.015666404711489), FRAC_CONST(0.028217555352697) }, + { FRAC_CONST(0.015573979255046), FRAC_CONST(0.028268672357047) }, + { FRAC_CONST(0.015481387013797), FRAC_CONST(0.028319486626627) }, + { FRAC_CONST(0.015388628979331), FRAC_CONST(0.028369997617257) }, + { FRAC_CONST(0.015295706145012), FRAC_CONST(0.028420204788004) }, + { FRAC_CONST(0.015202619505968), FRAC_CONST(0.028470107601191) }, + { FRAC_CONST(0.015109370059084), FRAC_CONST(0.028519705522399) }, + { FRAC_CONST(0.015015958802984), FRAC_CONST(0.028568998020472) }, + { FRAC_CONST(0.014922386738030), FRAC_CONST(0.028617984567529) }, + { FRAC_CONST(0.014828654866302), FRAC_CONST(0.028666664638963) }, + { FRAC_CONST(0.014734764191593), FRAC_CONST(0.028715037713449) }, + { FRAC_CONST(0.014640715719398), FRAC_CONST(0.028763103272951) }, + { FRAC_CONST(0.014546510456900), FRAC_CONST(0.028810860802724) }, + { FRAC_CONST(0.014452149412962), FRAC_CONST(0.028858309791325) }, + { FRAC_CONST(0.014357633598114), FRAC_CONST(0.028905449730613) }, + { FRAC_CONST(0.014262964024545), FRAC_CONST(0.028952280115756) }, + { FRAC_CONST(0.014168141706090), FRAC_CONST(0.028998800445240) }, + { FRAC_CONST(0.014073167658220), FRAC_CONST(0.029045010220868) }, + { FRAC_CONST(0.013978042898030), FRAC_CONST(0.029090908947771) }, + { FRAC_CONST(0.013882768444231), FRAC_CONST(0.029136496134411) }, + { FRAC_CONST(0.013787345317136), FRAC_CONST(0.029181771292585) }, + { FRAC_CONST(0.013691774538648), FRAC_CONST(0.029226733937433) }, + { FRAC_CONST(0.013596057132255), FRAC_CONST(0.029271383587441) }, + { FRAC_CONST(0.013500194123014), FRAC_CONST(0.029315719764447) }, + { FRAC_CONST(0.013404186537539), FRAC_CONST(0.029359741993647) }, + { FRAC_CONST(0.013308035403995), FRAC_CONST(0.029403449803598) }, + { FRAC_CONST(0.013211741752084), FRAC_CONST(0.029446842726223) }, + { FRAC_CONST(0.013115306613032), FRAC_CONST(0.029489920296820) }, + { FRAC_CONST(0.013018731019584), FRAC_CONST(0.029532682054063) }, + { FRAC_CONST(0.012922016005985), FRAC_CONST(0.029575127540008) }, + { FRAC_CONST(0.012825162607977), FRAC_CONST(0.029617256300097) }, + { FRAC_CONST(0.012728171862781), FRAC_CONST(0.029659067883165) }, + { FRAC_CONST(0.012631044809089), FRAC_CONST(0.029700561841444) }, + { FRAC_CONST(0.012533782487056), FRAC_CONST(0.029741737730567) }, + { FRAC_CONST(0.012436385938281), FRAC_CONST(0.029782595109573) }, + { FRAC_CONST(0.012338856205805), FRAC_CONST(0.029823133540913) }, + { FRAC_CONST(0.012241194334091), FRAC_CONST(0.029863352590452) }, + { FRAC_CONST(0.012143401369021), FRAC_CONST(0.029903251827477) }, + { FRAC_CONST(0.012045478357878), FRAC_CONST(0.029942830824699) }, + { FRAC_CONST(0.011947426349339), FRAC_CONST(0.029982089158259) }, + { FRAC_CONST(0.011849246393462), FRAC_CONST(0.030021026407731) }, + { FRAC_CONST(0.011750939541676), FRAC_CONST(0.030059642156129) }, + { FRAC_CONST(0.011652506846768), FRAC_CONST(0.030097935989909) }, + { FRAC_CONST(0.011553949362874), FRAC_CONST(0.030135907498976) }, + { FRAC_CONST(0.011455268145464), FRAC_CONST(0.030173556276684) }, + { FRAC_CONST(0.011356464251335), FRAC_CONST(0.030210881919845) }, + { FRAC_CONST(0.011257538738598), FRAC_CONST(0.030247884028732) }, + { FRAC_CONST(0.011158492666665), FRAC_CONST(0.030284562207083) }, + { FRAC_CONST(0.011059327096240), FRAC_CONST(0.030320916062102) }, + { FRAC_CONST(0.010960043089307), FRAC_CONST(0.030356945204470) }, + { FRAC_CONST(0.010860641709118), FRAC_CONST(0.030392649248343) }, + { FRAC_CONST(0.010761124020182), FRAC_CONST(0.030428027811361) }, + { FRAC_CONST(0.010661491088253), FRAC_CONST(0.030463080514646) }, + { FRAC_CONST(0.010561743980319), FRAC_CONST(0.030497806982812) }, + { FRAC_CONST(0.010461883764593), FRAC_CONST(0.030532206843968) }, + { FRAC_CONST(0.010361911510496), FRAC_CONST(0.030566279729717) }, + { FRAC_CONST(0.010261828288652), FRAC_CONST(0.030600025275167) }, + { FRAC_CONST(0.010161635170872), FRAC_CONST(0.030633443118931) }, + { FRAC_CONST(0.010061333230142), FRAC_CONST(0.030666532903129) }, + { FRAC_CONST(0.009960923540617), FRAC_CONST(0.030699294273397) }, + { FRAC_CONST(0.009860407177603), FRAC_CONST(0.030731726878888) }, + { FRAC_CONST(0.009759785217550), FRAC_CONST(0.030763830372273) }, + { FRAC_CONST(0.009659058738038), FRAC_CONST(0.030795604409750) }, + { FRAC_CONST(0.009558228817767), FRAC_CONST(0.030827048651045) }, + { FRAC_CONST(0.009457296536545), FRAC_CONST(0.030858162759415) }, + { FRAC_CONST(0.009356262975275), FRAC_CONST(0.030888946401653) }, + { FRAC_CONST(0.009255129215945), FRAC_CONST(0.030919399248091) }, + { FRAC_CONST(0.009153896341616), FRAC_CONST(0.030949520972603) }, + { FRAC_CONST(0.009052565436412), FRAC_CONST(0.030979311252611) }, + { FRAC_CONST(0.008951137585505), FRAC_CONST(0.031008769769084) }, + { FRAC_CONST(0.008849613875105), FRAC_CONST(0.031037896206544) }, + { FRAC_CONST(0.008747995392451), FRAC_CONST(0.031066690253072) }, + { FRAC_CONST(0.008646283225794), FRAC_CONST(0.031095151600306) }, + { FRAC_CONST(0.008544478464390), FRAC_CONST(0.031123279943448) }, + { FRAC_CONST(0.008442582198486), FRAC_CONST(0.031151074981266) }, + { FRAC_CONST(0.008340595519310), FRAC_CONST(0.031178536416098) }, + { FRAC_CONST(0.008238519519057), FRAC_CONST(0.031205663953853) }, + { FRAC_CONST(0.008136355290878), FRAC_CONST(0.031232457304017) }, + { FRAC_CONST(0.008034103928871), FRAC_CONST(0.031258916179656) }, + { FRAC_CONST(0.007931766528065), FRAC_CONST(0.031285040297416) }, + { FRAC_CONST(0.007829344184412), FRAC_CONST(0.031310829377528) }, + { FRAC_CONST(0.007726837994772), FRAC_CONST(0.031336283143813) }, + { FRAC_CONST(0.007624249056906), FRAC_CONST(0.031361401323680) }, + { FRAC_CONST(0.007521578469457), FRAC_CONST(0.031386183648135) }, + { FRAC_CONST(0.007418827331946), FRAC_CONST(0.031410629851778) }, + { FRAC_CONST(0.007315996744755), FRAC_CONST(0.031434739672811) }, + { FRAC_CONST(0.007213087809115), FRAC_CONST(0.031458512853036) }, + { FRAC_CONST(0.007110101627101), FRAC_CONST(0.031481949137863) }, + { FRAC_CONST(0.007007039301610), FRAC_CONST(0.031505048276306) }, + { FRAC_CONST(0.006903901936357), FRAC_CONST(0.031527810020993) }, + { FRAC_CONST(0.006800690635862), FRAC_CONST(0.031550234128164) }, + { FRAC_CONST(0.006697406505433), FRAC_CONST(0.031572320357675) }, + { FRAC_CONST(0.006594050651161), FRAC_CONST(0.031594068473000) }, + { FRAC_CONST(0.006490624179905), FRAC_CONST(0.031615478241233) }, + { FRAC_CONST(0.006387128199278), FRAC_CONST(0.031636549433095) }, + { FRAC_CONST(0.006283563817639), FRAC_CONST(0.031657281822929) }, + { FRAC_CONST(0.006179932144080), FRAC_CONST(0.031677675188707) }, + { FRAC_CONST(0.006076234288412), FRAC_CONST(0.031697729312034) }, + { FRAC_CONST(0.005972471361157), FRAC_CONST(0.031717443978146) }, + { FRAC_CONST(0.005868644473532), FRAC_CONST(0.031736818975914) }, + { FRAC_CONST(0.005764754737440), FRAC_CONST(0.031755854097848) }, + { FRAC_CONST(0.005660803265456), FRAC_CONST(0.031774549140098) }, + { FRAC_CONST(0.005556791170816), FRAC_CONST(0.031792903902453) }, + { FRAC_CONST(0.005452719567407), FRAC_CONST(0.031810918188350) }, + { FRAC_CONST(0.005348589569753), FRAC_CONST(0.031828591804869) }, + { FRAC_CONST(0.005244402293001), FRAC_CONST(0.031845924562742) }, + { FRAC_CONST(0.005140158852914), FRAC_CONST(0.031862916276347) }, + { FRAC_CONST(0.005035860365855), FRAC_CONST(0.031879566763717) }, + { FRAC_CONST(0.004931507948778), FRAC_CONST(0.031895875846539) }, + { FRAC_CONST(0.004827102719212), FRAC_CONST(0.031911843350155) }, + { FRAC_CONST(0.004722645795254), FRAC_CONST(0.031927469103567) }, + { FRAC_CONST(0.004618138295554), FRAC_CONST(0.031942752939435) }, + { FRAC_CONST(0.004513581339303), FRAC_CONST(0.031957694694082) }, + { FRAC_CONST(0.004408976046222), FRAC_CONST(0.031972294207493) }, + { FRAC_CONST(0.004304323536549), FRAC_CONST(0.031986551323320) }, + { FRAC_CONST(0.004199624931030), FRAC_CONST(0.032000465888879) }, + { FRAC_CONST(0.004094881350902), FRAC_CONST(0.032014037755158) }, + { FRAC_CONST(0.003990093917884), FRAC_CONST(0.032027266776813) }, + { FRAC_CONST(0.003885263754166), FRAC_CONST(0.032040152812170) }, + { FRAC_CONST(0.003780391982394), FRAC_CONST(0.032052695723232) }, + { FRAC_CONST(0.003675479725661), FRAC_CONST(0.032064895375674) }, + { FRAC_CONST(0.003570528107494), FRAC_CONST(0.032076751638847) }, + { FRAC_CONST(0.003465538251839), FRAC_CONST(0.032088264385780) }, + { FRAC_CONST(0.003360511283053), FRAC_CONST(0.032099433493181) }, + { FRAC_CONST(0.003255448325892), FRAC_CONST(0.032110258841438) }, + { FRAC_CONST(0.003150350505494), FRAC_CONST(0.032120740314619) }, + { FRAC_CONST(0.003045218947373), FRAC_CONST(0.032130877800478) }, + { FRAC_CONST(0.002940054777404), FRAC_CONST(0.032140671190449) }, + { FRAC_CONST(0.002834859121810), FRAC_CONST(0.032150120379653) }, + { FRAC_CONST(0.002729633107153), FRAC_CONST(0.032159225266897) }, + { FRAC_CONST(0.002624377860318), FRAC_CONST(0.032167985754674) }, + { FRAC_CONST(0.002519094508504), FRAC_CONST(0.032176401749168) }, + { FRAC_CONST(0.002413784179212), FRAC_CONST(0.032184473160250) }, + { FRAC_CONST(0.002308448000231), FRAC_CONST(0.032192199901481) }, + { FRAC_CONST(0.002203087099626), FRAC_CONST(0.032199581890114) }, + { FRAC_CONST(0.002097702605728), FRAC_CONST(0.032206619047093) }, + { FRAC_CONST(0.001992295647121), FRAC_CONST(0.032213311297057) }, + { FRAC_CONST(0.001886867352628), FRAC_CONST(0.032219658568338) }, + { FRAC_CONST(0.001781418851302), FRAC_CONST(0.032225660792960) }, + { FRAC_CONST(0.001675951272410), FRAC_CONST(0.032231317906644) }, + { FRAC_CONST(0.001570465745428), FRAC_CONST(0.032236629848809) }, + { FRAC_CONST(0.001464963400018), FRAC_CONST(0.032241596562566) }, + { FRAC_CONST(0.001359445366028), FRAC_CONST(0.032246217994727) }, + { FRAC_CONST(0.001253912773470), FRAC_CONST(0.032250494095799) }, + { FRAC_CONST(0.001148366752513), FRAC_CONST(0.032254424819990) }, + { FRAC_CONST(0.001042808433471), FRAC_CONST(0.032258010125204) }, + { FRAC_CONST(0.000937238946789), FRAC_CONST(0.032261249973045) }, + { FRAC_CONST(0.000831659423030), FRAC_CONST(0.032264144328817) }, + { FRAC_CONST(0.000726070992868), FRAC_CONST(0.032266693161525) }, + { FRAC_CONST(0.000620474787068), FRAC_CONST(0.032268896443871) }, + { FRAC_CONST(0.000514871936481), FRAC_CONST(0.032270754152261) }, + { FRAC_CONST(0.000409263572030), FRAC_CONST(0.032272266266801) }, + { FRAC_CONST(0.000303650824695), FRAC_CONST(0.032273432771295) }, + { FRAC_CONST(0.000198034825504), FRAC_CONST(0.032274253653254) }, + { FRAC_CONST(0.000092416705518), FRAC_CONST(0.032274728903884) } + }; + +#ifdef LD_DEC + /* 240 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_960[] = { + { FRAC_CONST(0.045643531183573), FRAC_CONST(0.000037342034959) }, + { FRAC_CONST(0.045642309173789), FRAC_CONST(0.000336075315362) }, + { FRAC_CONST(0.045639131999390), FRAC_CONST(0.000634794199417) }, + { FRAC_CONST(0.045633999796474), FRAC_CONST(0.000933485891002) }, + { FRAC_CONST(0.045626912784890), FRAC_CONST(0.001232137595157) }, + { FRAC_CONST(0.045617871268219), FRAC_CONST(0.001530736518639) }, + { FRAC_CONST(0.045606875633772), FRAC_CONST(0.001829269870464) }, + { FRAC_CONST(0.045593926352564), FRAC_CONST(0.002127724862455) }, + { FRAC_CONST(0.045579023979299), FRAC_CONST(0.002426088709795) }, + { FRAC_CONST(0.045562169152346), FRAC_CONST(0.002724348631569) }, + { FRAC_CONST(0.045543362593709), FRAC_CONST(0.003022491851315) }, + { FRAC_CONST(0.045522605108999), FRAC_CONST(0.003320505597570) }, + { FRAC_CONST(0.045499897587396), FRAC_CONST(0.003618377104416) }, + { FRAC_CONST(0.045475241001617), FRAC_CONST(0.003916093612031) }, + { FRAC_CONST(0.045448636407866), FRAC_CONST(0.004213642367228) }, + { FRAC_CONST(0.045420084945797), FRAC_CONST(0.004511010624011) }, + { FRAC_CONST(0.045389587838458), FRAC_CONST(0.004808185644112) }, + { FRAC_CONST(0.045357146392244), FRAC_CONST(0.005105154697544) }, + { FRAC_CONST(0.045322761996840), FRAC_CONST(0.005401905063139) }, + { FRAC_CONST(0.045286436125157), FRAC_CONST(0.005698424029100) }, + { FRAC_CONST(0.045248170333275), FRAC_CONST(0.005994698893542) }, + { FRAC_CONST(0.045207966260374), FRAC_CONST(0.006290716965035) }, + { FRAC_CONST(0.045165825628663), FRAC_CONST(0.006586465563151) }, + { FRAC_CONST(0.045121750243305), FRAC_CONST(0.006881932019003) }, + { FRAC_CONST(0.045075741992343), FRAC_CONST(0.007177103675792) }, + { FRAC_CONST(0.045027802846618), FRAC_CONST(0.007471967889347) }, + { FRAC_CONST(0.044977934859683), FRAC_CONST(0.007766512028667) }, + { FRAC_CONST(0.044926140167717), FRAC_CONST(0.008060723476460) }, + { FRAC_CONST(0.044872420989432), FRAC_CONST(0.008354589629687) }, + { FRAC_CONST(0.044816779625979), FRAC_CONST(0.008648097900101) }, + { FRAC_CONST(0.044759218460849), FRAC_CONST(0.008941235714784) }, + { FRAC_CONST(0.044699739959770), FRAC_CONST(0.009233990516688) }, + { FRAC_CONST(0.044638346670603), FRAC_CONST(0.009526349765171) }, + { FRAC_CONST(0.044575041223233), FRAC_CONST(0.009818300936537) }, + { FRAC_CONST(0.044509826329454), FRAC_CONST(0.010109831524568) }, + { FRAC_CONST(0.044442704782856), FRAC_CONST(0.010400929041064) }, + { FRAC_CONST(0.044373679458701), FRAC_CONST(0.010691581016378) }, + { FRAC_CONST(0.044302753313806), FRAC_CONST(0.010981774999945) }, + { FRAC_CONST(0.044229929386409), FRAC_CONST(0.011271498560822) }, + { FRAC_CONST(0.044155210796046), FRAC_CONST(0.011560739288214) }, + { FRAC_CONST(0.044078600743413), FRAC_CONST(0.011849484792012) }, + { FRAC_CONST(0.044000102510229), FRAC_CONST(0.012137722703321) }, + { FRAC_CONST(0.043919719459097), FRAC_CONST(0.012425440674986) }, + { FRAC_CONST(0.043837455033359), FRAC_CONST(0.012712626382127) }, + { FRAC_CONST(0.043753312756950), FRAC_CONST(0.012999267522665) }, + { FRAC_CONST(0.043667296234245), FRAC_CONST(0.013285351817848) }, + { FRAC_CONST(0.043579409149906), FRAC_CONST(0.013570867012776) }, + { FRAC_CONST(0.043489655268722), FRAC_CONST(0.013855800876928) }, + { FRAC_CONST(0.043398038435451), FRAC_CONST(0.014140141204686) }, + { FRAC_CONST(0.043304562574653), FRAC_CONST(0.014423875815857) }, + { FRAC_CONST(0.043209231690524), FRAC_CONST(0.014706992556195) }, + { FRAC_CONST(0.043112049866720), FRAC_CONST(0.014989479297920) }, + { FRAC_CONST(0.043013021266188), FRAC_CONST(0.015271323940241) }, + { FRAC_CONST(0.042912150130984), FRAC_CONST(0.015552514409871) }, + { FRAC_CONST(0.042809440782090), FRAC_CONST(0.015833038661547) }, + { FRAC_CONST(0.042704897619235), FRAC_CONST(0.016112884678543) }, + { FRAC_CONST(0.042598525120698), FRAC_CONST(0.016392040473187) }, + { FRAC_CONST(0.042490327843124), FRAC_CONST(0.016670494087374) }, + { FRAC_CONST(0.042380310421324), FRAC_CONST(0.016948233593079) }, + { FRAC_CONST(0.042268477568078), FRAC_CONST(0.017225247092864) }, + { FRAC_CONST(0.042154834073934), FRAC_CONST(0.017501522720393) }, + { FRAC_CONST(0.042039384807000), FRAC_CONST(0.017777048640940) }, + { FRAC_CONST(0.041922134712739), FRAC_CONST(0.018051813051888) }, + { FRAC_CONST(0.041803088813754), FRAC_CONST(0.018325804183247) }, + { FRAC_CONST(0.041682252209576), FRAC_CONST(0.018599010298148) }, + { FRAC_CONST(0.041559630076443), FRAC_CONST(0.018871419693350) }, + { FRAC_CONST(0.041435227667079), FRAC_CONST(0.019143020699741) }, + { FRAC_CONST(0.041309050310468), FRAC_CONST(0.019413801682838) }, + { FRAC_CONST(0.041181103411629), FRAC_CONST(0.019683751043285) }, + { FRAC_CONST(0.041051392451382), FRAC_CONST(0.019952857217350) }, + { FRAC_CONST(0.040919922986111), FRAC_CONST(0.020221108677421) }, + { FRAC_CONST(0.040786700647532), FRAC_CONST(0.020488493932496) }, + { FRAC_CONST(0.040651731142446), FRAC_CONST(0.020755001528683) }, + { FRAC_CONST(0.040515020252497), FRAC_CONST(0.021020620049682) }, + { FRAC_CONST(0.040376573833925), FRAC_CONST(0.021285338117280) }, + { FRAC_CONST(0.040236397817314), FRAC_CONST(0.021549144391836) }, + { FRAC_CONST(0.040094498207337), FRAC_CONST(0.021812027572768) }, + { FRAC_CONST(0.039950881082502), FRAC_CONST(0.022073976399034) }, + { FRAC_CONST(0.039805552594888), FRAC_CONST(0.022334979649620) }, + { FRAC_CONST(0.039658518969884), FRAC_CONST(0.022595026144014) }, + { FRAC_CONST(0.039509786505922), FRAC_CONST(0.022854104742690) }, + { FRAC_CONST(0.039359361574204), FRAC_CONST(0.023112204347583) }, + { FRAC_CONST(0.039207250618434), FRAC_CONST(0.023369313902565) }, + { FRAC_CONST(0.039053460154540), FRAC_CONST(0.023625422393919) }, + { FRAC_CONST(0.038897996770393), FRAC_CONST(0.023880518850809) }, + { FRAC_CONST(0.038740867125527), FRAC_CONST(0.024134592345752) }, + { FRAC_CONST(0.038582077950852), FRAC_CONST(0.024387631995085) }, + { FRAC_CONST(0.038421636048370), FRAC_CONST(0.024639626959432) }, + { FRAC_CONST(0.038259548290876), FRAC_CONST(0.024890566444167) }, + { FRAC_CONST(0.038095821621671), FRAC_CONST(0.025140439699877) }, + { FRAC_CONST(0.037930463054261), FRAC_CONST(0.025389236022825) }, + { FRAC_CONST(0.037763479672055), FRAC_CONST(0.025636944755403) }, + { FRAC_CONST(0.037594878628068), FRAC_CONST(0.025883555286595) }, + { FRAC_CONST(0.037424667144605), FRAC_CONST(0.026129057052425) }, + { FRAC_CONST(0.037252852512960), FRAC_CONST(0.026373439536415) }, + { FRAC_CONST(0.037079442093102), FRAC_CONST(0.026616692270033) }, + { FRAC_CONST(0.036904443313354), FRAC_CONST(0.026858804833142) }, + { FRAC_CONST(0.036727863670081), FRAC_CONST(0.027099766854444) }, + { FRAC_CONST(0.036549710727369), FRAC_CONST(0.027339568011930) }, + { FRAC_CONST(0.036369992116697), FRAC_CONST(0.027578198033315) }, + { FRAC_CONST(0.036188715536611), FRAC_CONST(0.027815646696484) }, + { FRAC_CONST(0.036005888752396), FRAC_CONST(0.028051903829926) }, + { FRAC_CONST(0.035821519595745), FRAC_CONST(0.028286959313171) }, + { FRAC_CONST(0.035635615964417), FRAC_CONST(0.028520803077226) }, + { FRAC_CONST(0.035448185821906), FRAC_CONST(0.028753425105002) }, + { FRAC_CONST(0.035259237197095), FRAC_CONST(0.028984815431745) }, + { FRAC_CONST(0.035068778183914), FRAC_CONST(0.029214964145465) }, + { FRAC_CONST(0.034876816940994), FRAC_CONST(0.029443861387355) }, + { FRAC_CONST(0.034683361691315), FRAC_CONST(0.029671497352220) }, + { FRAC_CONST(0.034488420721856), FRAC_CONST(0.029897862288892) }, + { FRAC_CONST(0.034292002383240), FRAC_CONST(0.030122946500652) }, + { FRAC_CONST(0.034094115089375), FRAC_CONST(0.030346740345641) }, + { FRAC_CONST(0.033894767317093), FRAC_CONST(0.030569234237276) }, + { FRAC_CONST(0.033693967605790), FRAC_CONST(0.030790418644658) }, + { FRAC_CONST(0.033491724557057), FRAC_CONST(0.031010284092984) }, + { FRAC_CONST(0.033288046834313), FRAC_CONST(0.031228821163949) }, + { FRAC_CONST(0.033082943162434), FRAC_CONST(0.031446020496153) }, + { FRAC_CONST(0.032876422327378), FRAC_CONST(0.031661872785500) }, + { FRAC_CONST(0.032668493175811), FRAC_CONST(0.031876368785596) }, + { FRAC_CONST(0.032459164614726), FRAC_CONST(0.032089499308145) }, + { FRAC_CONST(0.032248445611061), FRAC_CONST(0.032301255223347) }, + { FRAC_CONST(0.032036345191317), FRAC_CONST(0.032511627460281) }, + { FRAC_CONST(0.031822872441171), FRAC_CONST(0.032720607007302) }, + { FRAC_CONST(0.031608036505083), FRAC_CONST(0.032928184912422) }, + { FRAC_CONST(0.031391846585912), FRAC_CONST(0.033134352283693) }, + { FRAC_CONST(0.031174311944513), FRAC_CONST(0.033339100289593) }, + { FRAC_CONST(0.030955441899347), FRAC_CONST(0.033542420159397) }, + { FRAC_CONST(0.030735245826077), FRAC_CONST(0.033744303183559) }, + { FRAC_CONST(0.030513733157171), FRAC_CONST(0.033944740714083) }, + { FRAC_CONST(0.030290913381494), FRAC_CONST(0.034143724164891) }, + { FRAC_CONST(0.030066796043904), FRAC_CONST(0.034341245012195) }, + { FRAC_CONST(0.029841390744841), FRAC_CONST(0.034537294794860) }, + { FRAC_CONST(0.029614707139919), FRAC_CONST(0.034731865114764) }, + { FRAC_CONST(0.029386754939508), FRAC_CONST(0.034924947637164) }, + { FRAC_CONST(0.029157543908322), FRAC_CONST(0.035116534091046) }, + { FRAC_CONST(0.028927083864999), FRAC_CONST(0.035306616269485) }, + { FRAC_CONST(0.028695384681680), FRAC_CONST(0.035495186029992) }, + { FRAC_CONST(0.028462456283587), FRAC_CONST(0.035682235294866) }, + { FRAC_CONST(0.028228308648598), FRAC_CONST(0.035867756051541) }, + { FRAC_CONST(0.027992951806817), FRAC_CONST(0.036051740352923) }, + { FRAC_CONST(0.027756395840148), FRAC_CONST(0.036234180317738) }, + { FRAC_CONST(0.027518650881862), FRAC_CONST(0.036415068130865) }, + { FRAC_CONST(0.027279727116161), FRAC_CONST(0.036594396043672) }, + { FRAC_CONST(0.027039634777745), FRAC_CONST(0.036772156374348) }, + { FRAC_CONST(0.026798384151369), FRAC_CONST(0.036948341508233) }, + { FRAC_CONST(0.026555985571409), FRAC_CONST(0.037122943898140) }, + { FRAC_CONST(0.026312449421412), FRAC_CONST(0.037295956064686) }, + { FRAC_CONST(0.026067786133656), FRAC_CONST(0.037467370596605) }, + { FRAC_CONST(0.025822006188702), FRAC_CONST(0.037637180151068) }, + { FRAC_CONST(0.025575120114946), FRAC_CONST(0.037805377454000) }, + { FRAC_CONST(0.025327138488165), FRAC_CONST(0.037971955300388) }, + { FRAC_CONST(0.025078071931066), FRAC_CONST(0.038136906554591) }, + { FRAC_CONST(0.024827931112832), FRAC_CONST(0.038300224150647) }, + { FRAC_CONST(0.024576726748663), FRAC_CONST(0.038461901092573) }, + { FRAC_CONST(0.024324469599317), FRAC_CONST(0.038621930454668) }, + { FRAC_CONST(0.024071170470652), FRAC_CONST(0.038780305381806) }, + { FRAC_CONST(0.023816840213160), FRAC_CONST(0.038937019089732) }, + { FRAC_CONST(0.023561489721501), FRAC_CONST(0.039092064865353) }, + { FRAC_CONST(0.023305129934041), FRAC_CONST(0.039245436067023) }, + { FRAC_CONST(0.023047771832380), FRAC_CONST(0.039397126124832) }, + { FRAC_CONST(0.022789426440883), FRAC_CONST(0.039547128540881) }, + { FRAC_CONST(0.022530104826206), FRAC_CONST(0.039695436889566) }, + { FRAC_CONST(0.022269818096825), FRAC_CONST(0.039842044817851) }, + { FRAC_CONST(0.022008577402555), FRAC_CONST(0.039986946045542) }, + { FRAC_CONST(0.021746393934081), FRAC_CONST(0.040130134365550) }, + { FRAC_CONST(0.021483278922467), FRAC_CONST(0.040271603644166) }, + { FRAC_CONST(0.021219243638687), FRAC_CONST(0.040411347821316) }, + { FRAC_CONST(0.020954299393132), FRAC_CONST(0.040549360910825) }, + { FRAC_CONST(0.020688457535133), FRAC_CONST(0.040685637000671) }, + { FRAC_CONST(0.020421729452469), FRAC_CONST(0.040820170253240) }, + { FRAC_CONST(0.020154126570884), FRAC_CONST(0.040952954905576) }, + { FRAC_CONST(0.019885660353596), FRAC_CONST(0.041083985269625) }, + { FRAC_CONST(0.019616342300802), FRAC_CONST(0.041213255732484) }, + { FRAC_CONST(0.019346183949192), FRAC_CONST(0.041340760756635) }, + { FRAC_CONST(0.019075196871451), FRAC_CONST(0.041466494880189) }, + { FRAC_CONST(0.018803392675763), FRAC_CONST(0.041590452717113) }, + { FRAC_CONST(0.018530783005316), FRAC_CONST(0.041712628957466) }, + { FRAC_CONST(0.018257379537800), FRAC_CONST(0.041833018367625) }, + { FRAC_CONST(0.017983193984910), FRAC_CONST(0.041951615790509) }, + { FRAC_CONST(0.017708238091842), FRAC_CONST(0.042068416145797) }, + { FRAC_CONST(0.017432523636792), FRAC_CONST(0.042183414430153) }, + { FRAC_CONST(0.017156062430449), FRAC_CONST(0.042296605717432) }, + { FRAC_CONST(0.016878866315491), FRAC_CONST(0.042407985158896) }, + { FRAC_CONST(0.016600947166078), FRAC_CONST(0.042517547983420) }, + { FRAC_CONST(0.016322316887341), FRAC_CONST(0.042625289497698) }, + { FRAC_CONST(0.016042987414872), FRAC_CONST(0.042731205086442) }, + { FRAC_CONST(0.015762970714219), FRAC_CONST(0.042835290212581) }, + { FRAC_CONST(0.015482278780363), FRAC_CONST(0.042937540417454) }, + { FRAC_CONST(0.015200923637213), FRAC_CONST(0.043037951321002) }, + { FRAC_CONST(0.014918917337087), FRAC_CONST(0.043136518621958) }, + { FRAC_CONST(0.014636271960196), FRAC_CONST(0.043233238098025) }, + { FRAC_CONST(0.014352999614128), FRAC_CONST(0.043328105606063) }, + { FRAC_CONST(0.014069112433327), FRAC_CONST(0.043421117082265) }, + { FRAC_CONST(0.013784622578575), FRAC_CONST(0.043512268542327) }, + { FRAC_CONST(0.013499542236471), FRAC_CONST(0.043601556081625) }, + { FRAC_CONST(0.013213883618907), FRAC_CONST(0.043688975875378) }, + { FRAC_CONST(0.012927658962548), FRAC_CONST(0.043774524178812) }, + { FRAC_CONST(0.012640880528305), FRAC_CONST(0.043858197327323) }, + { FRAC_CONST(0.012353560600813), FRAC_CONST(0.043939991736633) }, + { FRAC_CONST(0.012065711487901), FRAC_CONST(0.044019903902940) }, + { FRAC_CONST(0.011777345520066), FRAC_CONST(0.044097930403073) }, + { FRAC_CONST(0.011488475049948), FRAC_CONST(0.044174067894638) }, + { FRAC_CONST(0.011199112451794), FRAC_CONST(0.044248313116156) }, + { FRAC_CONST(0.010909270120937), FRAC_CONST(0.044320662887211) }, + { FRAC_CONST(0.010618960473257), FRAC_CONST(0.044391114108577) }, + { FRAC_CONST(0.010328195944653), FRAC_CONST(0.044459663762361) }, + { FRAC_CONST(0.010036988990509), FRAC_CONST(0.044526308912122) }, + { FRAC_CONST(0.009745352085163), FRAC_CONST(0.044591046703005) }, + { FRAC_CONST(0.009453297721368), FRAC_CONST(0.044653874361857) }, + { FRAC_CONST(0.009160838409762), FRAC_CONST(0.044714789197351) }, + { FRAC_CONST(0.008867986678328), FRAC_CONST(0.044773788600099) }, + { FRAC_CONST(0.008574755071860), FRAC_CONST(0.044830870042761) }, + { FRAC_CONST(0.008281156151424), FRAC_CONST(0.044886031080160) }, + { FRAC_CONST(0.007987202493820), FRAC_CONST(0.044939269349379) }, + { FRAC_CONST(0.007692906691044), FRAC_CONST(0.044990582569869) }, + { FRAC_CONST(0.007398281349750), FRAC_CONST(0.045039968543542) }, + { FRAC_CONST(0.007103339090706), FRAC_CONST(0.045087425154868) }, + { FRAC_CONST(0.006808092548258), FRAC_CONST(0.045132950370962) }, + { FRAC_CONST(0.006512554369783), FRAC_CONST(0.045176542241676) }, + { FRAC_CONST(0.006216737215155), FRAC_CONST(0.045218198899680) }, + { FRAC_CONST(0.005920653756196), FRAC_CONST(0.045257918560541) }, + { FRAC_CONST(0.005624316676135), FRAC_CONST(0.045295699522801) }, + { FRAC_CONST(0.005327738669067), FRAC_CONST(0.045331540168049) }, + { FRAC_CONST(0.005030932439406), FRAC_CONST(0.045365438960992) }, + { FRAC_CONST(0.004733910701344), FRAC_CONST(0.045397394449517) }, + { FRAC_CONST(0.004436686178303), FRAC_CONST(0.045427405264758) }, + { FRAC_CONST(0.004139271602393), FRAC_CONST(0.045455470121152) }, + { FRAC_CONST(0.003841679713863), FRAC_CONST(0.045481587816494) }, + { FRAC_CONST(0.003543923260561), FRAC_CONST(0.045505757231988) }, + { FRAC_CONST(0.003246014997382), FRAC_CONST(0.045527977332297) }, + { FRAC_CONST(0.002947967685724), FRAC_CONST(0.045548247165585) }, + { FRAC_CONST(0.002649794092941), FRAC_CONST(0.045566565863562) }, + { FRAC_CONST(0.002351506991799), FRAC_CONST(0.045582932641515) }, + { FRAC_CONST(0.002053119159924), FRAC_CONST(0.045597346798344) }, + { FRAC_CONST(0.001754643379257), FRAC_CONST(0.045609807716597) }, + { FRAC_CONST(0.001456092435508), FRAC_CONST(0.045620314862489) }, + { FRAC_CONST(0.001157479117605), FRAC_CONST(0.045628867785927) }, + { FRAC_CONST(0.000858816217149), FRAC_CONST(0.045635466120535) }, + { FRAC_CONST(0.000560116527865), FRAC_CONST(0.045640109583661) }, + { FRAC_CONST(0.000261392845053), FRAC_CONST(0.045642797976394) } + }; +#endif // LD_DEC + + /* 60 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_240[] = { + { FRAC_CONST(0.091286604111815), FRAC_CONST(0.000298735779793) }, + { FRAC_CONST(0.091247502481454), FRAC_CONST(0.002688238127538) }, + { FRAC_CONST(0.091145864370807), FRAC_CONST(0.005075898091152) }, + { FRAC_CONST(0.090981759437558), FRAC_CONST(0.007460079287760) }, + { FRAC_CONST(0.090755300151030), FRAC_CONST(0.009839147718664) }, + { FRAC_CONST(0.090466641715108), FRAC_CONST(0.012211472889198) }, + { FRAC_CONST(0.090115981961863), FRAC_CONST(0.014575428926191) }, + { FRAC_CONST(0.089703561215976), FRAC_CONST(0.016929395692256) }, + { FRAC_CONST(0.089229662130024), FRAC_CONST(0.019271759896156) }, + { FRAC_CONST(0.088694609490769), FRAC_CONST(0.021600916198470) }, + { FRAC_CONST(0.088098769996564), FRAC_CONST(0.023915268311810) }, + { FRAC_CONST(0.087442552006035), FRAC_CONST(0.026213230094844) }, + { FRAC_CONST(0.086726405258214), FRAC_CONST(0.028493226639351) }, + { FRAC_CONST(0.085950820564309), FRAC_CONST(0.030753695349588) }, + { FRAC_CONST(0.085116329471329), FRAC_CONST(0.032993087013213) }, + { FRAC_CONST(0.084223503897785), FRAC_CONST(0.035209866863042) }, + { FRAC_CONST(0.083272955741727), FRAC_CONST(0.037402515628894) }, + { FRAC_CONST(0.082265336461381), FRAC_CONST(0.039569530578832) }, + { FRAC_CONST(0.081201336628670), FRAC_CONST(0.041709426549053) }, + { FRAC_CONST(0.080081685455930), FRAC_CONST(0.043820736961749) }, + { FRAC_CONST(0.078907150296148), FRAC_CONST(0.045902014830227) }, + { FRAC_CONST(0.077678536117054), FRAC_CONST(0.047951833750597) }, + { FRAC_CONST(0.076396684949434), FRAC_CONST(0.049968788879362) }, + { FRAC_CONST(0.075062475310050), FRAC_CONST(0.051951497896226) }, + { FRAC_CONST(0.073676821599542), FRAC_CONST(0.053898601951466) }, + { FRAC_CONST(0.072240673475749), FRAC_CONST(0.055808766597225) }, + { FRAC_CONST(0.070755015202858), FRAC_CONST(0.057680682702068) }, + { FRAC_CONST(0.069220864976840), FRAC_CONST(0.059513067348201) }, + { FRAC_CONST(0.067639274227625), FRAC_CONST(0.061304664710718) }, + { FRAC_CONST(0.066011326898512), FRAC_CONST(0.063054246918278) }, + { FRAC_CONST(0.064338138703282), FRAC_CONST(0.064760614894630) }, + { FRAC_CONST(0.062620856361546), FRAC_CONST(0.066422599180399) }, + { FRAC_CONST(0.060860656812842), FRAC_CONST(0.068039060734572) }, + { FRAC_CONST(0.059058746410016), FRAC_CONST(0.069608891715145) }, + { FRAC_CONST(0.057216360092450), FRAC_CONST(0.071131016238378) }, + { FRAC_CONST(0.055334760539699), FRAC_CONST(0.072604391116154) }, + { FRAC_CONST(0.053415237306106), FRAC_CONST(0.074028006570930) }, + { FRAC_CONST(0.051459105937014), FRAC_CONST(0.075400886927784) }, + { FRAC_CONST(0.049467707067153), FRAC_CONST(0.076722091283096) }, + { FRAC_CONST(0.047442405501835), FRAC_CONST(0.077990714149396) }, + { FRAC_CONST(0.045384589281588), FRAC_CONST(0.079205886075941) }, + { FRAC_CONST(0.043295668730857), FRAC_CONST(0.080366774244592) }, + { FRAC_CONST(0.041177075491445), FRAC_CONST(0.081472583040586) }, + { FRAC_CONST(0.039030261541332), FRAC_CONST(0.082522554597810) }, + { FRAC_CONST(0.036856698199564), FRAC_CONST(0.083515969318206) }, + { FRAC_CONST(0.034657875117883), FRAC_CONST(0.084452146364948) }, + { FRAC_CONST(0.032435299259796), FRAC_CONST(0.085330444129049) }, + { FRAC_CONST(0.030190493867775), FRAC_CONST(0.086150260669096) }, + { FRAC_CONST(0.027924997419306), FRAC_CONST(0.086911034123781) }, + { FRAC_CONST(0.025640362572491), FRAC_CONST(0.087612243096981) }, + { FRAC_CONST(0.023338155101933), FRAC_CONST(0.088253407015092) }, + { FRAC_CONST(0.021019952825636), FRAC_CONST(0.088834086456390) }, + { FRAC_CONST(0.018687344523641), FRAC_CONST(0.089353883452193) }, + { FRAC_CONST(0.016341928849164), FRAC_CONST(0.089812441759604) }, + { FRAC_CONST(0.013985313232951), FRAC_CONST(0.090209447105664) }, + { FRAC_CONST(0.011619112781631), FRAC_CONST(0.090544627402740) }, + { FRAC_CONST(0.009244949170797), FRAC_CONST(0.090817752935000) }, + { FRAC_CONST(0.006864449533597), FRAC_CONST(0.091028636515846) }, + { FRAC_CONST(0.004479245345574), FRAC_CONST(0.091177133616206) }, + { FRAC_CONST(0.002090971306534), FRAC_CONST(0.091263142463585) } + }; +#endif // ALLOW_SMALL_FRAMELENGTH + +#ifdef SSR_DEC + /* 128 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_512[] = { + { FRAC_CONST(0.062499926465731), FRAC_CONST(0.000095873761643) }, + { FRAC_CONST(0.062494043817678), FRAC_CONST(0.000862836783004) }, + { FRAC_CONST(0.062478749796497), FRAC_CONST(0.001629669864319) }, + { FRAC_CONST(0.062454046705412), FRAC_CONST(0.002396257523347) }, + { FRAC_CONST(0.062419938264617), FRAC_CONST(0.003162484314806) }, + { FRAC_CONST(0.062376429610718), FRAC_CONST(0.003928234847760) }, + { FRAC_CONST(0.062323527295958), FRAC_CONST(0.004693393802995) }, + { FRAC_CONST(0.062261239287231), FRAC_CONST(0.005457845950387) }, + { FRAC_CONST(0.062189574964882), FRAC_CONST(0.006221476166254) }, + { FRAC_CONST(0.062108545121295), FRAC_CONST(0.006984169450695) }, + { FRAC_CONST(0.062018161959266), FRAC_CONST(0.007745810944907) }, + { FRAC_CONST(0.061918439090167), FRAC_CONST(0.008506285948482) }, + { FRAC_CONST(0.061809391531894), FRAC_CONST(0.009265479936681) }, + { FRAC_CONST(0.061691035706609), FRAC_CONST(0.010023278577683) }, + { FRAC_CONST(0.061563389438265), FRAC_CONST(0.010779567749800) }, + { FRAC_CONST(0.061426471949919), FRAC_CONST(0.011534233558664) }, + { FRAC_CONST(0.061280303860842), FRAC_CONST(0.012287162354380) }, + { FRAC_CONST(0.061124907183410), FRAC_CONST(0.013038240748641) }, + { FRAC_CONST(0.060960305319791), FRAC_CONST(0.013787355631805) }, + { FRAC_CONST(0.060786523058421), FRAC_CONST(0.014534394189923) }, + { FRAC_CONST(0.060603586570268), FRAC_CONST(0.015279243921739) }, + { FRAC_CONST(0.060411523404896), FRAC_CONST(0.016021792655621) }, + { FRAC_CONST(0.060210362486310), FRAC_CONST(0.016761928566463) }, + { FRAC_CONST(0.060000134108604), FRAC_CONST(0.017499540192517) }, + { FRAC_CONST(0.059780869931400), FRAC_CONST(0.018234516452187) }, + { FRAC_CONST(0.059552602975075), FRAC_CONST(0.018966746660751) }, + { FRAC_CONST(0.059315367615794), FRAC_CONST(0.019696120547033) }, + { FRAC_CONST(0.059069199580329), FRAC_CONST(0.020422528270008) }, + { FRAC_CONST(0.058814135940681), FRAC_CONST(0.021145860435346) }, + { FRAC_CONST(0.058550215108495), FRAC_CONST(0.021866008111883) }, + { FRAC_CONST(0.058277476829279), FRAC_CONST(0.022582862848028) }, + { FRAC_CONST(0.057995962176414), FRAC_CONST(0.023296316688095) }, + { FRAC_CONST(0.057705713544970), FRAC_CONST(0.024006262188558) }, + { FRAC_CONST(0.057406774645326), FRAC_CONST(0.024712592434239) }, + { FRAC_CONST(0.057099190496578), FRAC_CONST(0.025415201054398) }, + { FRAC_CONST(0.056783007419769), FRAC_CONST(0.026113982238763) }, + { FRAC_CONST(0.056458273030907), FRAC_CONST(0.026808830753458) }, + { FRAC_CONST(0.056125036233796), FRAC_CONST(0.027499641956852) }, + { FRAC_CONST(0.055783347212673), FRAC_CONST(0.028186311815319) }, + { FRAC_CONST(0.055433257424646), FRAC_CONST(0.028868736918904) }, + { FRAC_CONST(0.055074819591951), FRAC_CONST(0.029546814496896) }, + { FRAC_CONST(0.054708087694007), FRAC_CONST(0.030220442433307) }, + { FRAC_CONST(0.054333116959288), FRAC_CONST(0.030889519282247) }, + { FRAC_CONST(0.053949963857008), FRAC_CONST(0.031553944283204) }, + { FRAC_CONST(0.053558686088614), FRAC_CONST(0.032213617376216) }, + { FRAC_CONST(0.053159342579100), FRAC_CONST(0.032868439216943) }, + { FRAC_CONST(0.052751993468129), FRAC_CONST(0.033518311191623) }, + { FRAC_CONST(0.052336700100979), FRAC_CONST(0.034163135431927) }, + { FRAC_CONST(0.051913525019303), FRAC_CONST(0.034802814829698) }, + { FRAC_CONST(0.051482531951712), FRAC_CONST(0.035437253051569) }, + { FRAC_CONST(0.051043785804177), FRAC_CONST(0.036066354553480) }, + { FRAC_CONST(0.050597352650253), FRAC_CONST(0.036690024595057) }, + { FRAC_CONST(0.050143299721132), FRAC_CONST(0.037308169253887) }, + { FRAC_CONST(0.049681695395515), FRAC_CONST(0.037920695439658) }, + { FRAC_CONST(0.049212609189314), FRAC_CONST(0.038527510908178) }, + { FRAC_CONST(0.048736111745188), FRAC_CONST(0.039128524275271) }, + { FRAC_CONST(0.048252274821899), FRAC_CONST(0.039723645030535) }, + { FRAC_CONST(0.047761171283507), FRAC_CONST(0.040312783550971) }, + { FRAC_CONST(0.047262875088400), FRAC_CONST(0.040895851114488) }, + { FRAC_CONST(0.046757461278150), FRAC_CONST(0.041472759913252) }, + { FRAC_CONST(0.046245005966220), FRAC_CONST(0.042043423066923) }, + { FRAC_CONST(0.045725586326493), FRAC_CONST(0.042607754635728) }, + { FRAC_CONST(0.045199280581658), FRAC_CONST(0.043165669633408) }, + { FRAC_CONST(0.044666167991423), FRAC_CONST(0.043717084040018) }, + { FRAC_CONST(0.044126328840584), FRAC_CONST(0.044261914814575) }, + { FRAC_CONST(0.043579844426930), FRAC_CONST(0.044800079907569) }, + { FRAC_CONST(0.043026797049006), FRAC_CONST(0.045331498273316) }, + { FRAC_CONST(0.042467269993710), FRAC_CONST(0.045856089882166) }, + { FRAC_CONST(0.041901347523761), FRAC_CONST(0.046373775732552) }, + { FRAC_CONST(0.041329114865000), FRAC_CONST(0.046884477862888) }, + { FRAC_CONST(0.040750658193560), FRAC_CONST(0.047388119363313) }, + { FRAC_CONST(0.040166064622889), FRAC_CONST(0.047884624387270) }, + { FRAC_CONST(0.039575422190629), FRAC_CONST(0.048373918162926) }, + { FRAC_CONST(0.038978819845356), FRAC_CONST(0.048855927004441) }, + { FRAC_CONST(0.038376347433190), FRAC_CONST(0.049330578323055) }, + { FRAC_CONST(0.037768095684260), FRAC_CONST(0.049797800638026) }, + { FRAC_CONST(0.037154156199042), FRAC_CONST(0.050257523587392) }, + { FRAC_CONST(0.036534621434563), FRAC_CONST(0.050709677938566) }, + { FRAC_CONST(0.035909584690482), FRAC_CONST(0.051154195598769) }, + { FRAC_CONST(0.035279140095032), FRAC_CONST(0.051591009625274) }, + { FRAC_CONST(0.034643382590851), FRAC_CONST(0.052020054235496) }, + { FRAC_CONST(0.034002407920680), FRAC_CONST(0.052441264816895) }, + { FRAC_CONST(0.033356312612947), FRAC_CONST(0.052854577936706) }, + { FRAC_CONST(0.032705193967229), FRAC_CONST(0.053259931351495) }, + { FRAC_CONST(0.032049150039598), FRAC_CONST(0.053657264016528) }, + { FRAC_CONST(0.031388279627857), FRAC_CONST(0.054046516094966) }, + { FRAC_CONST(0.030722682256659), FRAC_CONST(0.054427628966880) }, + { FRAC_CONST(0.030052458162521), FRAC_CONST(0.054800545238072) }, + { FRAC_CONST(0.029377708278725), FRAC_CONST(0.055165208748723) }, + { FRAC_CONST(0.028698534220122), FRAC_CONST(0.055521564581850) }, + { FRAC_CONST(0.028015038267826), FRAC_CONST(0.055869559071575) }, + { FRAC_CONST(0.027327323353815), FRAC_CONST(0.056209139811209) }, + { FRAC_CONST(0.026635493045425), FRAC_CONST(0.056540255661140) }, + { FRAC_CONST(0.025939651529755), FRAC_CONST(0.056862856756541) }, + { FRAC_CONST(0.025239903597978), FRAC_CONST(0.057176894514872) }, + { FRAC_CONST(0.024536354629559), FRAC_CONST(0.057482321643202) }, + { FRAC_CONST(0.023829110576385), FRAC_CONST(0.057779092145329) }, + { FRAC_CONST(0.023118277946808), FRAC_CONST(0.058067161328707) }, + { FRAC_CONST(0.022403963789609), FRAC_CONST(0.058346485811177) }, + { FRAC_CONST(0.021686275677870), FRAC_CONST(0.058617023527499) }, + { FRAC_CONST(0.020965321692783), FRAC_CONST(0.058878733735689) }, + { FRAC_CONST(0.020241210407366), FRAC_CONST(0.059131577023150) }, + { FRAC_CONST(0.019514050870114), FRAC_CONST(0.059375515312615) }, + { FRAC_CONST(0.018783952588580), FRAC_CONST(0.059610511867874) }, + { FRAC_CONST(0.018051025512878), FRAC_CONST(0.059836531299311) }, + { FRAC_CONST(0.017315380019131), FRAC_CONST(0.060053539569230) }, + { FRAC_CONST(0.016577126892844), FRAC_CONST(0.060261503996984) }, + { FRAC_CONST(0.015836377312223), FRAC_CONST(0.060460393263896) }, + { FRAC_CONST(0.015093242831429), FRAC_CONST(0.060650177417972) }, + { FRAC_CONST(0.014347835363782), FRAC_CONST(0.060830827878419) }, + { FRAC_CONST(0.013600267164905), FRAC_CONST(0.061002317439940) }, + { FRAC_CONST(0.012850650815819), FRAC_CONST(0.061164620276839) }, + { FRAC_CONST(0.012099099205988), FRAC_CONST(0.061317711946905) }, + { FRAC_CONST(0.011345725516320), FRAC_CONST(0.061461569395097) }, + { FRAC_CONST(0.010590643202123), FRAC_CONST(0.061596170957011) }, + { FRAC_CONST(0.009833965976015), FRAC_CONST(0.061721496362147) }, + { FRAC_CONST(0.009075807790803), FRAC_CONST(0.061837526736961) }, + { FRAC_CONST(0.008316282822321), FRAC_CONST(0.061944244607705) }, + { FRAC_CONST(0.007555505452236), FRAC_CONST(0.062041633903059) }, + { FRAC_CONST(0.006793590250821), FRAC_CONST(0.062129679956555) }, + { FRAC_CONST(0.006030651959703), FRAC_CONST(0.062208369508780) }, + { FRAC_CONST(0.005266805474583), FRAC_CONST(0.062277690709378) }, + { FRAC_CONST(0.004502165827931), FRAC_CONST(0.062337633118830) }, + { FRAC_CONST(0.003736848171665), FRAC_CONST(0.062388187710030) }, + { FRAC_CONST(0.002970967759810), FRAC_CONST(0.062429346869643) }, + { FRAC_CONST(0.002204639931138), FRAC_CONST(0.062461104399250) }, + { FRAC_CONST(0.001437980091802), FRAC_CONST(0.062483455516285) }, + { FRAC_CONST(0.000671103697954), FRAC_CONST(0.062496396854751) } + }; + + /* 16 (N/4) complex twiddle factors */ + ALIGN static const complex_t mdct_tab_64[] = { + { FRAC_CONST(0.176763384336599), FRAC_CONST(0.002169321984356) }, + { FRAC_CONST(0.175699589589310), FRAC_CONST(0.019484717553714) }, + { FRAC_CONST(0.172943711747111), FRAC_CONST(0.036612464641599) }, + { FRAC_CONST(0.168522291420137), FRAC_CONST(0.053387613680577) }, + { FRAC_CONST(0.162477909303132), FRAC_CONST(0.069648610815172) }, + { FRAC_CONST(0.154868776100077), FRAC_CONST(0.085238853753814) }, + { FRAC_CONST(0.145768171923295), FRAC_CONST(0.100008199934509) }, + { FRAC_CONST(0.135263740565902), FRAC_CONST(0.113814412479792) }, + { FRAC_CONST(0.123456645444178), FRAC_CONST(0.126524530015608) }, + { FRAC_CONST(0.110460595338559), FRAC_CONST(0.138016147162030) }, + { FRAC_CONST(0.096400749315926), FRAC_CONST(0.148178593363981) }, + { FRAC_CONST(0.081412511379371), FRAC_CONST(0.156913998709178) }, + { FRAC_CONST(0.065640226453626), FRAC_CONST(0.164138236468888) }, + { FRAC_CONST(0.049235790264535), FRAC_CONST(0.169781733284316) }, + { FRAC_CONST(0.032357186500177), FRAC_CONST(0.173790139196080) }, + { FRAC_CONST(0.015166965341583), FRAC_CONST(0.176124851064031) } + }; +#endif // SSR_DEC + +#endif // FIXED_POINT + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/mp4.c b/audio_codec/libfaad/mp4.c new file mode 100644 index 0000000..3b18f0f --- a/dev/null +++ b/audio_codec/libfaad/mp4.c @@ -0,0 +1,307 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: mp4.c,v 1.40 2009/02/06 03:39:58 menno Exp $ +**/ +#include +#include +#include +#include +#include "common.h" +#include "structs.h" + + +#include "bits.h" +#include "mp4.h" +#include "syntax.h" + +/* defines if an object type can be decoded by this library or not */ +static uint8_t ObjectTypesTable[32] = { + 0, /* 0 NULL */ +#ifdef MAIN_DEC + 1, /* 1 AAC Main */ +#else + 0, /* 1 AAC Main */ +#endif + 1, /* 2 AAC LC */ +#ifdef SSR_DEC + 1, /* 3 AAC SSR */ +#else + 0, /* 3 AAC SSR */ +#endif +#ifdef LTP_DEC + 1, /* 4 AAC LTP */ +#else + 0, /* 4 AAC LTP */ +#endif +#ifdef SBR_DEC + 1, /* 5 SBR */ +#else + 0, /* 5 SBR */ +#endif + 0, /* 6 AAC Scalable */ + 0, /* 7 TwinVQ */ + 0, /* 8 CELP */ + 0, /* 9 HVXC */ + 0, /* 10 Reserved */ + 0, /* 11 Reserved */ + 0, /* 12 TTSI */ + 0, /* 13 Main synthetic */ + 0, /* 14 Wavetable synthesis */ + 0, /* 15 General MIDI */ + 0, /* 16 Algorithmic Synthesis and Audio FX */ + + /* MPEG-4 Version 2 */ +#ifdef ERROR_RESILIENCE + 1, /* 17 ER AAC LC */ + 0, /* 18 (Reserved) */ +#ifdef LTP_DEC + 1, /* 19 ER AAC LTP */ +#else + 0, /* 19 ER AAC LTP */ +#endif + 0, /* 20 ER AAC scalable */ + 0, /* 21 ER TwinVQ */ + 0, /* 22 ER BSAC */ +#ifdef LD_DEC + 1, /* 23 ER AAC LD */ +#else + 0, /* 23 ER AAC LD */ +#endif + 0, /* 24 ER CELP */ + 0, /* 25 ER HVXC */ + 0, /* 26 ER HILN */ + 0, /* 27 ER Parametric */ +#else /* No ER defined */ + 0, /* 17 ER AAC LC */ + 0, /* 18 (Reserved) */ + 0, /* 19 ER AAC LTP */ + 0, /* 20 ER AAC scalable */ + 0, /* 21 ER TwinVQ */ + 0, /* 22 ER BSAC */ + 0, /* 23 ER AAC LD */ + 0, /* 24 ER CELP */ + 0, /* 25 ER HVXC */ + 0, /* 26 ER HILN */ + 0, /* 27 ER Parametric */ +#endif + 0, /* 28 (Reserved) */ + 1, /* 29 PS*/ + 0, /* 30 (Reserved) */ + 0 /* 31 (Reserved) */ +}; + +/* Table 1.6.1 */ +char NEAACDECAPI NeAACDecAudioSpecificConfig(unsigned char *pBuffer, + unsigned long buffer_size, + mp4AudioSpecificConfig *mp4ASC) +{ + return AudioSpecificConfig2(pBuffer, buffer_size, mp4ASC, NULL, 0); +} + +int AudioSpecificConfigFromBitfile(bitfile *ld, + mp4AudioSpecificConfig *mp4ASC, + program_config *pce, uint32_t buffer_size, uint8_t short_form) +{ + int8_t result = 0; + uint32_t startpos = faad_get_processed_bits(ld); +#ifdef SBR_DEC + int8_t bits_to_decode = 0; +#endif + + if (mp4ASC == NULL) { + return -8; + } + + memset(mp4ASC, 0, sizeof(mp4AudioSpecificConfig)); + + mp4ASC->objectTypeIndex = (uint8_t)faad_getbits(ld, 5 + DEBUGVAR(1, 1, "parse_audio_decoder_specific_info(): ObjectTypeIndex")); + if (mp4ASC->objectTypeIndex == /*AOT_ESCAPE*/31) { + mp4ASC->objectTypeIndex = 32 + faad_getbits(ld, 6); + } + //audio_codec_print("object type %x \n", mp4ASC->objectTypeIndex); + mp4ASC->samplingFrequencyIndex = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 2, "parse_audio_decoder_specific_info(): SamplingFrequencyIndex")); + if (mp4ASC->samplingFrequencyIndex == 0x0f) { + faad_getbits(ld, 24); + } + + mp4ASC->channelsConfiguration = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 3, "parse_audio_decoder_specific_info(): ChannelsConfiguration")); + + mp4ASC->samplingFrequency = get_sample_rate(mp4ASC->samplingFrequencyIndex); + + if (ObjectTypesTable[mp4ASC->objectTypeIndex] != 1) { + return -1; + } + + if (mp4ASC->samplingFrequency == 0) { + return -2; + } + + if (mp4ASC->channelsConfiguration > 7) { + return -3; + } + +#if (defined(PS_DEC) || defined(DRM_PS)) + /* check if we have a mono file */ + if (mp4ASC->channelsConfiguration == 1) { + /* upMatrix to 2 channels for implicit signalling of PS */ + mp4ASC->channelsConfiguration = 2; + } +#endif + +#ifdef SBR_DEC + mp4ASC->sbr_present_flag = -1; + if ((mp4ASC->objectTypeIndex == 5) || (mp4ASC->objectTypeIndex == 29 && !(faad_showbits(ld, 3) & 0x03 && !(faad_showbits(ld, 9) & 0x3F)))) { + uint8_t tmp; + + mp4ASC->sbr_present_flag = 1; + tmp = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 5, "parse_audio_decoder_specific_info(): extensionSamplingFrequencyIndex")); + /* check for downsampled SBR */ + if (tmp == mp4ASC->samplingFrequencyIndex) { + mp4ASC->downSampledSBR = 1; + } + mp4ASC->samplingFrequencyIndex = tmp; + if (mp4ASC->samplingFrequencyIndex == 15) { + mp4ASC->samplingFrequency = (uint32_t)faad_getbits(ld, 24 + DEBUGVAR(1, 6, "parse_audio_decoder_specific_info(): extensionSamplingFrequencyIndex")); + } else { + mp4ASC->samplingFrequency = get_sample_rate(mp4ASC->samplingFrequencyIndex); + } + mp4ASC->objectTypeIndex = (uint8_t)faad_getbits(ld, 5 + DEBUGVAR(1, 7, "parse_audio_decoder_specific_info(): ObjectTypeIndex")); + } +#endif + + /* get GASpecificConfig */ + if (mp4ASC->objectTypeIndex == 1 || mp4ASC->objectTypeIndex == 2 || + mp4ASC->objectTypeIndex == 3 || mp4ASC->objectTypeIndex == 4 || + mp4ASC->objectTypeIndex == 6 || mp4ASC->objectTypeIndex == 7) { + result = GASpecificConfig(ld, mp4ASC, pce); + +#ifdef ERROR_RESILIENCE + } else if (mp4ASC->objectTypeIndex >= ER_OBJECT_START) { /* ER */ + result = GASpecificConfig(ld, mp4ASC, pce); + mp4ASC->epConfig = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 143, "parse_audio_decoder_specific_info(): epConfig")); + + if (mp4ASC->epConfig != 0) { + result = -5; + } +#endif + + } else { + result = -4; + } + +#ifdef SSR_DEC + /* shorter frames not allowed for SSR */ + if ((mp4ASC->objectTypeIndex == 4) && mp4ASC->frameLengthFlag) { + return -6; + } +#endif + + +#ifdef SBR_DEC + if (short_form) { + bits_to_decode = 0; + } else { + bits_to_decode = (int8_t)(buffer_size * 8 - (startpos - faad_get_processed_bits(ld))); + } + + if ((mp4ASC->objectTypeIndex != 5) && (bits_to_decode >= 16)) { + int16_t syncExtensionType = (int16_t)faad_getbits(ld, 11 + DEBUGVAR(1, 9, "parse_audio_decoder_specific_info(): syncExtensionType")); + + if (syncExtensionType == 0x2b7) { + uint8_t tmp_OTi = (uint8_t)faad_getbits(ld, 5 + DEBUGVAR(1, 10, "parse_audio_decoder_specific_info(): extensionAudioObjectType")); + + if (tmp_OTi == 5) { + mp4ASC->sbr_present_flag = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 11, "parse_audio_decoder_specific_info(): sbr_present_flag")); + + if (mp4ASC->sbr_present_flag) { + uint8_t tmp; + + /* Don't set OT to SBR until checked that it is actually there */ + mp4ASC->objectTypeIndex = tmp_OTi; + + tmp = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 12, "parse_audio_decoder_specific_info(): extensionSamplingFrequencyIndex")); + + /* check for downsampled SBR */ + if (tmp == mp4ASC->samplingFrequencyIndex) { + mp4ASC->downSampledSBR = 1; + } + mp4ASC->samplingFrequencyIndex = tmp; + + if (mp4ASC->samplingFrequencyIndex == 15) { + mp4ASC->samplingFrequency = (uint32_t)faad_getbits(ld, 24 + DEBUGVAR(1, 13, "parse_audio_decoder_specific_info(): extensionSamplingFrequencyIndex")); + } else { + mp4ASC->samplingFrequency = get_sample_rate(mp4ASC->samplingFrequencyIndex); + } + } + } + } + } + + /* no SBR signalled, this could mean either implicit signalling or no SBR in this file */ + /* MPEG specification states: assume SBR on files with samplerate <= 24000 Hz */ + if (mp4ASC->sbr_present_flag == -1) { + if (mp4ASC->samplingFrequency <= 24000) { + mp4ASC->samplingFrequency *= 2; + mp4ASC->forceUpSampling = 1; + } else { /* > 24000*/ + mp4ASC->downSampledSBR = 1; + } + } +#endif + + faad_endbits(ld); + + return result; +} + +int AudioSpecificConfig2(uint8_t *pBuffer, + uint32_t buffer_size, + mp4AudioSpecificConfig *mp4ASC, + program_config *pce, + uint8_t short_form) +{ + uint8_t ret = 0; + bitfile ld; + faad_initbits(&ld, pBuffer, buffer_size); + faad_byte_align(&ld); + ret = AudioSpecificConfigFromBitfile(&ld, mp4ASC, pce, buffer_size, short_form); + faad_endbits(&ld); + return ret; +} diff --git a/audio_codec/libfaad/mp4.h b/audio_codec/libfaad/mp4.h new file mode 100644 index 0000000..70689ce --- a/dev/null +++ b/audio_codec/libfaad/mp4.h @@ -0,0 +1,52 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: mp4.h,v 1.28 2009/02/05 00:51:03 menno Exp $ +**/ + +#ifndef __MP4_H__ +#define __MP4_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "neaacdec.h" + + int AudioSpecificConfig2(uint8_t *pBuffer, + uint32_t buffer_size, + mp4AudioSpecificConfig *mp4ASC, + program_config *pce, uint8_t short_form); + + int AudioSpecificConfigFromBitfile(bitfile *ld, + mp4AudioSpecificConfig *mp4ASC, + program_config *pce, uint32_t bsize, uint8_t short_form); + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/ms.c b/audio_codec/libfaad/ms.c new file mode 100644 index 0000000..7eaa4c6 --- a/dev/null +++ b/audio_codec/libfaad/ms.c @@ -0,0 +1,71 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: ms.c,v 1.21 2007/11/01 12:33:32 menno Exp $ +**/ + +#include "common.h" +#include "structs.h" + +#include "syntax.h" +#include "ms.h" +#include "is.h" +#include "pns.h" + +void ms_decode(ic_stream *ics, ic_stream *icsr, real_t *l_spec, real_t *r_spec, + uint16_t frame_len) +{ + uint8_t g, b, sfb; + uint8_t group = 0; + uint16_t nshort = frame_len / 8; + + uint16_t i, k; + real_t tmp; + + if (ics->ms_mask_present >= 1) { + for (g = 0; g < ics->num_window_groups; g++) { + for (b = 0; b < ics->window_group_length[g]; b++) { + for (sfb = 0; sfb < ics->max_sfb; sfb++) { + /* If intensity stereo coding or noise substitution is on + for a particular scalefactor band, no M/S stereo decoding + is carried out. + */ + if ((ics->ms_used[g][sfb] || ics->ms_mask_present == 2) && + !is_intensity(icsr, g, sfb) && !is_noise(ics, g, sfb)) { + for (i = ics->swb_offset[sfb]; i < min(ics->swb_offset[sfb + 1], ics->swb_offset_max); i++) { + k = (group * nshort) + i; + tmp = l_spec[k] - r_spec[k]; + l_spec[k] = l_spec[k] + r_spec[k]; + r_spec[k] = tmp; + } + } + } + group++; + } + } + } +} diff --git a/audio_codec/libfaad/ms.h b/audio_codec/libfaad/ms.h new file mode 100644 index 0000000..d37eff4 --- a/dev/null +++ b/audio_codec/libfaad/ms.h @@ -0,0 +1,44 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: ms.h,v 1.19 2007/11/01 12:33:32 menno Exp $ +**/ + +#ifndef __MS_H__ +#define __MS_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + void ms_decode(ic_stream *ics, ic_stream *icsr, real_t *l_spec, real_t *r_spec, + uint16_t frame_len); + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/neaacdec.h b/audio_codec/libfaad/neaacdec.h new file mode 100644 index 0000000..d6e01d2 --- a/dev/null +++ b/audio_codec/libfaad/neaacdec.h @@ -0,0 +1,257 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: neaacdec.h,v 1.13 2009/01/26 23:51:15 menno Exp $ +**/ + +#ifndef __NEAACDEC_H__ +#define __NEAACDEC_H__ + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +#if 1 + /* MACROS FOR BACKWARDS COMPATIBILITY */ + /* structs */ +#define faacDecHandle NeAACDecHandle +#define faacDecConfiguration NeAACDecConfiguration +#define faacDecConfigurationPtr NeAACDecConfigurationPtr +#define faacDecFrameInfo NeAACDecFrameInfo + /* functions */ +#define faacDecGetErrorMessage NeAACDecGetErrorMessage +#define faacDecSetConfiguration NeAACDecSetConfiguration +#define faacDecGetCurrentConfiguration NeAACDecGetCurrentConfiguration +#define faacDecInit NeAACDecInit +#define faacDecInit2 NeAACDecInit2 +#define faacDecInitDRM NeAACDecInitDRM +#define faacDecPostSeekReset NeAACDecPostSeekReset +#define faacDecOpen NeAACDecOpen +#define faacDecClose NeAACDecClose +#define faacDecDecode NeAACDecDecode +#define AudioSpecificConfig NeAACDecAudioSpecificConfig +#endif + + +#ifdef _WIN32 +#pragma pack(push, 8) +#ifndef NEAACDECAPI +#define NEAACDECAPI __cdecl +#endif +#else +#ifndef NEAACDECAPI +#define NEAACDECAPI +#endif +#endif + +#define FAAD2_VERSION "2.7" + + /* object types for AAC */ +#define MAIN 1 +#define LC 2 +#define SSR 3 +#define LTP 4 +#define HE_AAC 5 +#define ER_LC 17 +#define ER_LTP 19 +#define LD 23 +#define DRM_ER_LC 27 /* special object type for DRM */ + + /* header types */ +#define RAW 0 +#define ADIF 1 +#define ADTS 2 +#define LATM 3 + + /* SBR signalling */ +#define NO_SBR 0 +#define SBR_UPSAMPLED 1 +#define SBR_DOWNSAMPLED 2 +#define NO_SBR_UPSAMPLED 3 + + /* library output formats */ +#define FAAD_FMT_16BIT 1 +#define FAAD_FMT_24BIT 2 +#define FAAD_FMT_32BIT 3 +#define FAAD_FMT_FLOAT 4 +#define FAAD_FMT_FIXED FAAD_FMT_FLOAT +#define FAAD_FMT_DOUBLE 5 + + /* Capabilities */ +#define LC_DEC_CAP (1<<0) /* Can decode LC */ +#define MAIN_DEC_CAP (1<<1) /* Can decode MAIN */ +#define LTP_DEC_CAP (1<<2) /* Can decode LTP */ +#define LD_DEC_CAP (1<<3) /* Can decode LD */ +#define ERROR_RESILIENCE_CAP (1<<4) /* Can decode ER */ +#define FIXED_POINT_CAP (1<<5) /* Fixed point */ + + /* Channel definitions */ +#define FRONT_CHANNEL_CENTER (1) +#define FRONT_CHANNEL_LEFT (2) +#define FRONT_CHANNEL_RIGHT (3) +#define SIDE_CHANNEL_LEFT (4) +#define SIDE_CHANNEL_RIGHT (5) +#define BACK_CHANNEL_LEFT (6) +#define BACK_CHANNEL_RIGHT (7) +#define BACK_CHANNEL_CENTER (8) +#define LFE_CHANNEL (9) +#define UNKNOWN_CHANNEL (0) + + /* DRM channel definitions */ +#define DRMCH_MONO 1 +#define DRMCH_STEREO 2 +#define DRMCH_SBR_MONO 3 +#define DRMCH_SBR_STEREO 4 +#define DRMCH_SBR_PS_STEREO 5 + + + /* A decode call can eat up to FAAD_MIN_STREAMSIZE bytes per decoded channel, + so at least so much bytes per channel should be available in this stream */ +#define FAAD_MIN_STREAMSIZE 768 /* 6144 bits/channel */ + + + typedef void *NeAACDecHandle; + + typedef struct mp4AudioSpecificConfig { + /* Audio Specific Info */ + unsigned char objectTypeIndex; + unsigned char samplingFrequencyIndex; + unsigned long samplingFrequency; + unsigned char channelsConfiguration; + + /* GA Specific Info */ + unsigned char frameLengthFlag; + unsigned char dependsOnCoreCoder; + unsigned short coreCoderDelay; + unsigned char extensionFlag; + unsigned char aacSectionDataResilienceFlag; + unsigned char aacScalefactorDataResilienceFlag; + unsigned char aacSpectralDataResilienceFlag; + unsigned char epConfig; + + char sbr_present_flag; + char forceUpSampling; + char downSampledSBR; + } mp4AudioSpecificConfig; + + typedef struct NeAACDecConfiguration { + unsigned char defObjectType; + unsigned long defSampleRate; + unsigned char outputFormat; + unsigned char downMatrix; + unsigned char useOldADTSFormat; + unsigned char dontUpSampleImplicitSBR; + } NeAACDecConfiguration, *NeAACDecConfigurationPtr; + + typedef struct NeAACDecFrameInfo { + unsigned long bytesconsumed; + unsigned long samples; + unsigned char channels; + unsigned char error; + unsigned long samplerate; + + /* SBR: 0: off, 1: on; upsample, 2: on; downsampled, 3: off; upsampled */ + unsigned char sbr; + + /* MPEG-4 ObjectType */ + unsigned char object_type; + + /* AAC header type; MP4 will be signalled as RAW also */ + unsigned char header_type; + + /* multichannel configuration */ + unsigned char num_front_channels; + unsigned char num_side_channels; + unsigned char num_back_channels; + unsigned char num_lfe_channels; + unsigned char channel_position[64]; + + /* PS: 0: off, 1: on */ + unsigned char ps; + } NeAACDecFrameInfo; + + char* NEAACDECAPI NeAACDecGetErrorMessage(unsigned char errcode); + + unsigned long NEAACDECAPI NeAACDecGetCapabilities(void); + + NeAACDecHandle NEAACDECAPI NeAACDecOpen(void); + + NeAACDecConfigurationPtr NEAACDECAPI NeAACDecGetCurrentConfiguration(NeAACDecHandle hDecoder); + + unsigned char NEAACDECAPI NeAACDecSetConfiguration(NeAACDecHandle hDecoder, + NeAACDecConfigurationPtr config); + + /* Init the library based on info from the AAC file (ADTS/ADIF) */ + long NEAACDECAPI NeAACDecInit(NeAACDecHandle hDecoder, + unsigned char *buffer, + unsigned long buffer_size, + unsigned long *samplerate, + unsigned char *channels, + int is_latm_external, + int *skipbytes); + + /* Init the library using a DecoderSpecificInfo */ + int NEAACDECAPI NeAACDecInit2(NeAACDecHandle hDecoder, + unsigned char *pBuffer, + unsigned long SizeOfDecoderSpecificInfo, + unsigned long *samplerate, + unsigned char *channels); + + /* Init the library for DRM */ + char NEAACDECAPI NeAACDecInitDRM(NeAACDecHandle *hDecoder, unsigned long samplerate, + unsigned char channels); + + void NEAACDECAPI NeAACDecPostSeekReset(NeAACDecHandle hDecoder, long frame); + + void NEAACDECAPI NeAACDecClose(NeAACDecHandle hDecoder); + + void* NEAACDECAPI NeAACDecDecode(NeAACDecHandle hDecoder, + NeAACDecFrameInfo *hInfo, + unsigned char *buffer, + unsigned long buffer_size); + + void* NEAACDECAPI NeAACDecDecode2(NeAACDecHandle hDecoder, + NeAACDecFrameInfo *hInfo, + unsigned char *buffer, + unsigned long buffer_size, + void **sample_buffer, + unsigned long sample_buffer_size); + + char NEAACDECAPI NeAACDecAudioSpecificConfig(unsigned char *pBuffer, + unsigned long buffer_size, + mp4AudioSpecificConfig *mp4ASC); + +#ifdef _WIN32 +#pragma pack(pop) +#endif + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif diff --git a/audio_codec/libfaad/output.c b/audio_codec/libfaad/output.c new file mode 100644 index 0000000..dc7c37d --- a/dev/null +++ b/audio_codec/libfaad/output.c @@ -0,0 +1,583 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: output.c,v 1.47 2009/01/26 23:51:15 menno Exp $ +**/ + +#include "common.h" +#include "structs.h" + +#include "output.h" + +#ifndef FIXED_POINT + + +#define FLOAT_SCALE (1.0f/(1<<15)) + +#define DM_MUL 1//REAL_CONST(0.3203772410170407) // 1/(1+sqrt(2) + 1/sqrt(2)) +#define RSQRT2 REAL_CONST(0.7071067811865475244) // 1/sqrt(2) + +/* + +There are two types of down-mix to stereo: +1. Lt/Rt downmix: +Lt = L + (0.707*C) - (0.707*Ls) - (0.707*Rs) +Rt = R + (0.707*C) + (0.707*Ls) + (0.707*Rs) +2. Lo/Ro downmix: +Lo = L + (0.707*C) + (0.707*Ls) +Ro = R + (0.707*C) + (0.707*Rs) + +*/ +static INLINE real_t get_sample(real_t **input, uint8_t channel, uint16_t sample, + uint8_t down_matrix, uint8_t *internal_channel) +{ + if (!down_matrix) { + return input[internal_channel[channel]][sample]; + } + + // for multi-channel( > 2ch ) downmix to 2ch case +#if 0 //LoRo downmix mode + if (channel == 0) { + return DM_MUL * (input[internal_channel[1]][sample] + + input[internal_channel[0]][sample] * RSQRT2 + + input[internal_channel[3]][sample] * RSQRT2); + } else { + return DM_MUL * (input[internal_channel[2]][sample] + + input[internal_channel[0]][sample] * RSQRT2 + + input[internal_channel[4]][sample] * RSQRT2); + } +#else //LtRt downmix mode + if (channel == 0) { + return DM_MUL * (input[internal_channel[1]][sample] + + input[internal_channel[0]][sample] * RSQRT2 - + input[internal_channel[3]][sample] * RSQRT2 - input[internal_channel[4]][sample] * RSQRT2); + } else { + return DM_MUL * (input[internal_channel[2]][sample] + + input[internal_channel[0]][sample] * RSQRT2 + + input[internal_channel[3]][sample] * RSQRT2 + + input[internal_channel[4]][sample] * RSQRT2); + } +#endif +} + +#ifndef HAS_LRINTF +#define CLIP(sample, max, min) \ +if (sample >= 0.0f) \ +{ \ + sample += 0.5f; \ + if (sample >= max) \ + sample = max; \ +} else { \ + sample += -0.5f; \ + if (sample <= min) \ + sample = min; \ +} +#else +#define CLIP(sample, max, min) \ +if (sample >= 0.0f) \ +{ \ + if (sample >= max) \ + sample = max; \ +} else { \ + if (sample <= min) \ + sample = min; \ +} +#endif + +#define CONV(a,b) ((a<<1)|(b&0x1)) + +static void to_PCM_16bit(NeAACDecStruct *hDecoder, real_t **input, + uint8_t channels, uint16_t frame_len, + int16_t **sample_buffer) +{ + uint8_t ch, ch1; + uint16_t i; + uint16_t k; + + switch (CONV(channels, hDecoder->downMatrix)) { + case CONV(1, 0): + case CONV(1, 1): + for (i = 0; i < frame_len; i++) { + real_t inp = input[hDecoder->internal_channel[0]][i]; + + CLIP(inp, 32767.0f, -32768.0f); + + (*sample_buffer)[i] = (int16_t)lrintf(inp); + } + break; + case CONV(2, 0): + if (hDecoder->upMatrix) { + ch = hDecoder->internal_channel[0]; + for (i = 0; i < frame_len; i++) { + real_t inp0 = input[ch][i]; + + CLIP(inp0, 32767.0f, -32768.0f); + + (*sample_buffer)[(i * 2) + 0] = (int16_t)lrintf(inp0); + (*sample_buffer)[(i * 2) + 1] = (int16_t)lrintf(inp0); + } + } else { + ch = hDecoder->internal_channel[0]; + ch1 = hDecoder->internal_channel[1]; + for (i = 0; i < frame_len; i++) { + real_t inp0 = input[ch ][i]; + real_t inp1 = input[ch1][i]; + + CLIP(inp0, 32767.0f, -32768.0f); + CLIP(inp1, 32767.0f, -32768.0f); + + (*sample_buffer)[(i * 2) + 0] = (int16_t)lrintf(inp0); + (*sample_buffer)[(i * 2) + 1] = (int16_t)lrintf(inp1); + } + } + break; + default: +#if 0 + for (ch = 0; ch < channels; ch++) { + for (i = 0; i < frame_len; i++) { + real_t inp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->internal_channel); + + CLIP(inp, 32767.0f, -32768.0f); + + (*sample_buffer)[(i * channels) + ch] = (int16_t)lrintf(inp); + } + } +#endif + if (channels == 6) { + for (ch = 0; ch < channels; ch += 6) { + for (i = 0; i < frame_len; i++) { + real_t inp[6]; + real_t Lt, Rt; + for (k = 0; k < 6; k++) { + inp[k] = get_sample(input, ch + k, i, hDecoder->downMatrix, hDecoder->internal_channel); + + CLIP(inp[k], 32767.0f, -32768.0f); + } + + Lt = 1.0 * inp[1] + 0.707 * inp[0] - 0.707 * inp[3] - 0.707 * inp[4]; + Rt = 1.0 * inp[2] + 0.707 * inp[0] + 0.707 * inp[3] - 0.707 * inp[4]; + + (*sample_buffer)[(i * channels) + ch] = (int16_t)lrintf(Lt); + (*sample_buffer)[(i * channels) + ch + 1] = (int16_t)lrintf(Rt); + } + } + } else if (4 == channels) { + for (ch = 0; ch < channels; ch++) { + if (ch % 2 != 0) { + continue; + } + for (i = 0; i < frame_len; i++) { + real_t inp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->internal_channel); + + CLIP(inp, 32767.0f, -32768.0f); + if (ch > 0) { + ch = 1; + } + + (*sample_buffer)[(i * channels) + ch] = (int16_t)lrintf(inp); + } + } + } else { + for (ch = 0; ch < channels; ch++) { + for (i = 0; i < frame_len; i++) { + real_t inp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->internal_channel); + + CLIP(inp, 32767.0f, -32768.0f); + + (*sample_buffer)[(i * channels) + ch] = (int16_t)lrintf(inp); + } + } + } + break; + } +} + +static void to_PCM_24bit(NeAACDecStruct *hDecoder, real_t **input, + uint8_t channels, uint16_t frame_len, + int32_t **sample_buffer) +{ + uint8_t ch, ch1; + uint16_t i; + + switch (CONV(channels, hDecoder->downMatrix)) { + case CONV(1, 0): + case CONV(1, 1): + for (i = 0; i < frame_len; i++) { + real_t inp = input[hDecoder->internal_channel[0]][i]; + + inp *= 256.0f; + CLIP(inp, 8388607.0f, -8388608.0f); + + (*sample_buffer)[i] = (int32_t)lrintf(inp); + } + break; + case CONV(2, 0): + if (hDecoder->upMatrix) { + ch = hDecoder->internal_channel[0]; + for (i = 0; i < frame_len; i++) { + real_t inp0 = input[ch][i]; + + inp0 *= 256.0f; + CLIP(inp0, 8388607.0f, -8388608.0f); + + (*sample_buffer)[(i * 2) + 0] = (int32_t)lrintf(inp0); + (*sample_buffer)[(i * 2) + 1] = (int32_t)lrintf(inp0); + } + } else { + ch = hDecoder->internal_channel[0]; + ch1 = hDecoder->internal_channel[1]; + for (i = 0; i < frame_len; i++) { + real_t inp0 = input[ch ][i]; + real_t inp1 = input[ch1][i]; + + inp0 *= 256.0f; + inp1 *= 256.0f; + CLIP(inp0, 8388607.0f, -8388608.0f); + CLIP(inp1, 8388607.0f, -8388608.0f); + + (*sample_buffer)[(i * 2) + 0] = (int32_t)lrintf(inp0); + (*sample_buffer)[(i * 2) + 1] = (int32_t)lrintf(inp1); + } + } + break; + default: + for (ch = 0; ch < channels; ch++) { + for (i = 0; i < frame_len; i++) { + real_t inp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->internal_channel); + + inp *= 256.0f; + CLIP(inp, 8388607.0f, -8388608.0f); + + (*sample_buffer)[(i * channels) + ch] = (int32_t)lrintf(inp); + } + } + break; + } +} + +static void to_PCM_32bit(NeAACDecStruct *hDecoder, real_t **input, + uint8_t channels, uint16_t frame_len, + int32_t **sample_buffer) +{ + uint8_t ch, ch1; + uint16_t i; + + switch (CONV(channels, hDecoder->downMatrix)) { + case CONV(1, 0): + case CONV(1, 1): + for (i = 0; i < frame_len; i++) { + real_t inp = input[hDecoder->internal_channel[0]][i]; + + inp *= 65536.0f; + CLIP(inp, 2147483647.0f, -2147483648.0f); + + (*sample_buffer)[i] = (int32_t)lrintf(inp); + } + break; + case CONV(2, 0): + if (hDecoder->upMatrix) { + ch = hDecoder->internal_channel[0]; + for (i = 0; i < frame_len; i++) { + real_t inp0 = input[ch][i]; + + inp0 *= 65536.0f; + CLIP(inp0, 2147483647.0f, -2147483648.0f); + + (*sample_buffer)[(i * 2) + 0] = (int32_t)lrintf(inp0); + (*sample_buffer)[(i * 2) + 1] = (int32_t)lrintf(inp0); + } + } else { + ch = hDecoder->internal_channel[0]; + ch1 = hDecoder->internal_channel[1]; + for (i = 0; i < frame_len; i++) { + real_t inp0 = input[ch ][i]; + real_t inp1 = input[ch1][i]; + + inp0 *= 65536.0f; + inp1 *= 65536.0f; + CLIP(inp0, 2147483647.0f, -2147483648.0f); + CLIP(inp1, 2147483647.0f, -2147483648.0f); + + (*sample_buffer)[(i * 2) + 0] = (int32_t)lrintf(inp0); + (*sample_buffer)[(i * 2) + 1] = (int32_t)lrintf(inp1); + } + } + break; + default: + for (ch = 0; ch < channels; ch++) { + for (i = 0; i < frame_len; i++) { + real_t inp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->internal_channel); + + inp *= 65536.0f; + CLIP(inp, 2147483647.0f, -2147483648.0f); + + (*sample_buffer)[(i * channels) + ch] = (int32_t)lrintf(inp); + } + } + break; + } +} + +static void to_PCM_float(NeAACDecStruct *hDecoder, real_t **input, + uint8_t channels, uint16_t frame_len, + float32_t **sample_buffer) +{ + uint8_t ch, ch1; + uint16_t i; + + switch (CONV(channels, hDecoder->downMatrix)) { + case CONV(1, 0): + case CONV(1, 1): + for (i = 0; i < frame_len; i++) { + real_t inp = input[hDecoder->internal_channel[0]][i]; + (*sample_buffer)[i] = inp * FLOAT_SCALE; + } + break; + case CONV(2, 0): + if (hDecoder->upMatrix) { + ch = hDecoder->internal_channel[0]; + for (i = 0; i < frame_len; i++) { + real_t inp0 = input[ch][i]; + (*sample_buffer)[(i * 2) + 0] = inp0 * FLOAT_SCALE; + (*sample_buffer)[(i * 2) + 1] = inp0 * FLOAT_SCALE; + } + } else { + ch = hDecoder->internal_channel[0]; + ch1 = hDecoder->internal_channel[1]; + for (i = 0; i < frame_len; i++) { + real_t inp0 = input[ch ][i]; + real_t inp1 = input[ch1][i]; + (*sample_buffer)[(i * 2) + 0] = inp0 * FLOAT_SCALE; + (*sample_buffer)[(i * 2) + 1] = inp1 * FLOAT_SCALE; + } + } + break; + default: + for (ch = 0; ch < channels; ch++) { + for (i = 0; i < frame_len; i++) { + real_t inp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->internal_channel); + (*sample_buffer)[(i * channels) + ch] = inp * FLOAT_SCALE; + } + } + break; + } +} + +static void to_PCM_double(NeAACDecStruct *hDecoder, real_t **input, + uint8_t channels, uint16_t frame_len, + double **sample_buffer) +{ + uint8_t ch, ch1; + uint16_t i; + + switch (CONV(channels, hDecoder->downMatrix)) { + case CONV(1, 0): + case CONV(1, 1): + for (i = 0; i < frame_len; i++) { + real_t inp = input[hDecoder->internal_channel[0]][i]; + (*sample_buffer)[i] = (double)inp * FLOAT_SCALE; + } + break; + case CONV(2, 0): + if (hDecoder->upMatrix) { + ch = hDecoder->internal_channel[0]; + for (i = 0; i < frame_len; i++) { + real_t inp0 = input[ch][i]; + (*sample_buffer)[(i * 2) + 0] = (double)inp0 * FLOAT_SCALE; + (*sample_buffer)[(i * 2) + 1] = (double)inp0 * FLOAT_SCALE; + } + } else { + ch = hDecoder->internal_channel[0]; + ch1 = hDecoder->internal_channel[1]; + for (i = 0; i < frame_len; i++) { + real_t inp0 = input[ch ][i]; + real_t inp1 = input[ch1][i]; + (*sample_buffer)[(i * 2) + 0] = (double)inp0 * FLOAT_SCALE; + (*sample_buffer)[(i * 2) + 1] = (double)inp1 * FLOAT_SCALE; + } + } + break; + default: + for (ch = 0; ch < channels; ch++) { + for (i = 0; i < frame_len; i++) { + real_t inp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->internal_channel); + (*sample_buffer)[(i * channels) + ch] = (double)inp * FLOAT_SCALE; + } + } + break; + } +} + +void *output_to_PCM(NeAACDecStruct *hDecoder, + real_t **input, void *sample_buffer, uint8_t channels, + uint16_t frame_len, uint8_t format) +{ + int16_t *short_sample_buffer = (int16_t*)sample_buffer; + int32_t *int_sample_buffer = (int32_t*)sample_buffer; + float32_t *float_sample_buffer = (float32_t*)sample_buffer; + double *double_sample_buffer = (double*)sample_buffer; + +#ifdef PROFILE + int64_t count = faad_get_ts(); +#endif + + /* Copy output to a standard PCM buffer */ + switch (format) { + case FAAD_FMT_16BIT: + to_PCM_16bit(hDecoder, input, channels, frame_len, &short_sample_buffer); + break; + case FAAD_FMT_24BIT: + to_PCM_24bit(hDecoder, input, channels, frame_len, &int_sample_buffer); + break; + case FAAD_FMT_32BIT: + to_PCM_32bit(hDecoder, input, channels, frame_len, &int_sample_buffer); + break; + case FAAD_FMT_FLOAT: + to_PCM_float(hDecoder, input, channels, frame_len, &float_sample_buffer); + break; + case FAAD_FMT_DOUBLE: + to_PCM_double(hDecoder, input, channels, frame_len, &double_sample_buffer); + break; + } + +#ifdef PROFILE + count = faad_get_ts() - count; + hDecoder->output_cycles += count; +#endif + + return sample_buffer; +} + +#else + +#define DM_MUL FRAC_CONST(0.3203772410170407) // 1/(1+sqrt(2) + 1/sqrt(2)) +#define RSQRT2 FRAC_CONST(0.7071067811865475244) // 1/sqrt(2) + +static INLINE real_t get_sample(real_t **input, uint8_t channel, uint16_t sample, + uint8_t down_matrix, uint8_t up_matrix, + uint8_t *internal_channel) +{ + if (up_matrix == 1) { + return input[internal_channel[0]][sample]; + } + + if (!down_matrix) { + return input[internal_channel[channel]][sample]; + } + + if (channel == 0) { + real_t C = MUL_F(input[internal_channel[0]][sample], RSQRT2); + real_t L_S = MUL_F(input[internal_channel[3]][sample], RSQRT2); + real_t cum = input[internal_channel[1]][sample] + C + L_S; + return MUL_F(cum, DM_MUL); + } else { + real_t C = MUL_F(input[internal_channel[0]][sample], RSQRT2); + real_t R_S = MUL_F(input[internal_channel[4]][sample], RSQRT2); + real_t cum = input[internal_channel[2]][sample] + C + R_S; + return MUL_F(cum, DM_MUL); + } +} + +void* output_to_PCM(NeAACDecStruct *hDecoder, + real_t **input, void *sample_buffer, uint8_t channels, + uint16_t frame_len, uint8_t format) +{ + uint8_t ch; + uint16_t i; + int16_t *short_sample_buffer = (int16_t*)sample_buffer; + int32_t *int_sample_buffer = (int32_t*)sample_buffer; + + /* Copy output to a standard PCM buffer */ + for (ch = 0; ch < channels; ch++) { + switch (format) { + case FAAD_FMT_16BIT: + for (i = 0; i < frame_len; i++) { + int32_t tmp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->upMatrix, + hDecoder->internal_channel); + if (tmp >= 0) { + tmp += (1 << (REAL_BITS - 1)); + if (tmp >= REAL_CONST(32767)) { + tmp = REAL_CONST(32767); + } + } else { + tmp += -(1 << (REAL_BITS - 1)); + if (tmp <= REAL_CONST(-32768)) { + tmp = REAL_CONST(-32768); + } + } + tmp >>= REAL_BITS; + short_sample_buffer[(i * channels) + ch] = (int16_t)tmp; + } + break; + case FAAD_FMT_24BIT: + for (i = 0; i < frame_len; i++) { + int32_t tmp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->upMatrix, + hDecoder->internal_channel); + if (tmp >= 0) { + tmp += (1 << (REAL_BITS - 9)); + tmp >>= (REAL_BITS - 8); + if (tmp >= 8388607) { + tmp = 8388607; + } + } else { + tmp += -(1 << (REAL_BITS - 9)); + tmp >>= (REAL_BITS - 8); + if (tmp <= -8388608) { + tmp = -8388608; + } + } + int_sample_buffer[(i * channels) + ch] = (int32_t)tmp; + } + break; + case FAAD_FMT_32BIT: + for (i = 0; i < frame_len; i++) { + int32_t tmp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->upMatrix, + hDecoder->internal_channel); + if (tmp >= 0) { + tmp += (1 << (16 - REAL_BITS - 1)); + tmp <<= (16 - REAL_BITS); + } else { + tmp += -(1 << (16 - REAL_BITS - 1)); + tmp <<= (16 - REAL_BITS); + } + int_sample_buffer[(i * channels) + ch] = (int32_t)tmp; + } + break; + case FAAD_FMT_FIXED: + for (i = 0; i < frame_len; i++) { + real_t tmp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->upMatrix, + hDecoder->internal_channel); + int_sample_buffer[(i * channels) + ch] = (int32_t)tmp; + } + break; + } + } + + return sample_buffer; +} + +#endif diff --git a/audio_codec/libfaad/output.h b/audio_codec/libfaad/output.h new file mode 100644 index 0000000..b4e2a63 --- a/dev/null +++ b/audio_codec/libfaad/output.h @@ -0,0 +1,48 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: output.h,v 1.26 2009/01/26 23:51:15 menno Exp $ +**/ + +#ifndef __OUTPUT_H__ +#define __OUTPUT_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + void* output_to_PCM(NeAACDecStruct *hDecoder, + real_t **input, + void *samplebuffer, + uint8_t channels, + uint16_t frame_len, + uint8_t format); + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/pns.c b/audio_codec/libfaad/pns.c new file mode 100644 index 0000000..0aa0bd7 --- a/dev/null +++ b/audio_codec/libfaad/pns.c @@ -0,0 +1,273 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: pns.c,v 1.38 2007/11/01 12:33:32 menno Exp $ +**/ + +#include "common.h" +#include "structs.h" + +#include "pns.h" + + +/* static function declarations */ +static void gen_rand_vector(real_t *spec, int16_t scale_factor, uint16_t size, + uint8_t sub, + /* RNG states */ uint32_t *__r1, uint32_t *__r2); + + +#ifdef FIXED_POINT + +#define DIV(A, B) (((int64_t)A << REAL_BITS)/B) + +#define step(shift) \ + if ((0x40000000l >> shift) + root <= value) \ + { \ + value -= (0x40000000l >> shift) + root; \ + root = (root >> 1) | (0x40000000l >> shift); \ + } else { \ + root = root >> 1; \ + } + +/* fixed point square root approximation */ +/* !!!! ONLY WORKS FOR EVEN %REAL_BITS% !!!! */ +real_t fp_sqrt(real_t value) +{ + real_t root = 0; + + step(0); + step(2); + step(4); + step(6); + step(8); + step(10); + step(12); + step(14); + step(16); + step(18); + step(20); + step(22); + step(24); + step(26); + step(28); + step(30); + + if (root < value) { + ++root; + } + + root <<= (REAL_BITS / 2); + + return root; +} + +static real_t const pow2_table[] = { + COEF_CONST(1.0), + COEF_CONST(1.18920711500272), + COEF_CONST(1.41421356237310), + COEF_CONST(1.68179283050743) +}; +#endif + +/* The function gen_rand_vector(addr, size) generates a vector of length + with signed random values of average energy MEAN_NRG per random + value. A suitable random number generator can be realized using one + multiplication/accumulation per random value. +*/ +static INLINE void gen_rand_vector(real_t *spec, int16_t scale_factor, uint16_t size, + uint8_t sub, + /* RNG states */ uint32_t *__r1, uint32_t *__r2) +{ +#ifndef FIXED_POINT + uint16_t i; + real_t energy = 0.0; + + real_t scale = (real_t)1.0 / (real_t)size; + + for (i = 0; i < size; i++) { + real_t tmp = scale * (real_t)(int32_t)ne_rng(__r1, __r2); + spec[i] = tmp; + energy += tmp * tmp; + } + + scale = (real_t)1.0 / (real_t)sqrt(energy); + scale *= (real_t)pow(2.0, 0.25 * scale_factor); + for (i = 0; i < size; i++) { + spec[i] *= scale; + } +#else + uint16_t i; + real_t energy = 0, scale; + int32_t exp, frac; + + for (i = 0; i < size; i++) { + /* this can be replaced by a 16 bit random generator!!!! */ + real_t tmp = (int32_t)ne_rng(__r1, __r2); + if (tmp < 0) { + tmp = -(tmp & ((1 << (REAL_BITS - 1)) - 1)); + } else { + tmp = (tmp & ((1 << (REAL_BITS - 1)) - 1)); + } + + energy += MUL_R(tmp, tmp); + + spec[i] = tmp; + } + + energy = fp_sqrt(energy); + if (energy > 0) { + scale = DIV(REAL_CONST(1), energy); + + exp = scale_factor >> 2; + frac = scale_factor & 3; + + /* IMDCT pre-scaling */ + exp -= sub; + + if (exp < 0) { + scale >>= -exp; + } else { + scale <<= exp; + } + + if (frac) { + scale = MUL_C(scale, pow2_table[frac]); + } + + for (i = 0; i < size; i++) { + spec[i] = MUL_R(spec[i], scale); + } + } +#endif +} + +void pns_decode(ic_stream *ics_left, ic_stream *ics_right, + real_t *spec_left, real_t *spec_right, uint16_t frame_len, + uint8_t channel_pair, uint8_t object_type, + /* RNG states */ uint32_t *__r1, uint32_t *__r2) +{ + uint8_t g, sfb, b; + uint16_t size, offs; + + uint8_t group = 0; + uint16_t nshort = frame_len >> 3; + + uint8_t sub = 0; + +#ifdef FIXED_POINT + /* IMDCT scaling */ + if (object_type == LD) { + sub = 9 /*9*/; + } else { + if (ics_left->window_sequence == EIGHT_SHORT_SEQUENCE) { + sub = 7 /*7*/; + } else { + sub = 10 /*10*/; + } + } +#endif + + for (g = 0; g < ics_left->num_window_groups; g++) { + /* Do perceptual noise substitution decoding */ + for (b = 0; b < ics_left->window_group_length[g]; b++) { + for (sfb = 0; sfb < ics_left->max_sfb; sfb++) { + if (is_noise(ics_left, g, sfb)) { +#ifdef LTP_DEC + /* Simultaneous use of LTP and PNS is not prevented in the + syntax. If both LTP, and PNS are enabled on the same + scalefactor band, PNS takes precedence, and no prediction + is applied to this band. + */ + ics_left->ltp.long_used[sfb] = 0; + ics_left->ltp2.long_used[sfb] = 0; +#endif + +#ifdef MAIN_DEC + /* For scalefactor bands coded using PNS the corresponding + predictors are switched to "off". + */ + ics_left->pred.prediction_used[sfb] = 0; +#endif + + offs = ics_left->swb_offset[sfb]; + size = min(ics_left->swb_offset[sfb + 1], ics_left->swb_offset_max) - offs; + + /* Generate random vector */ + gen_rand_vector(&spec_left[(group * nshort) + offs], + ics_left->scale_factors[g][sfb], size, sub, __r1, __r2); + } + + /* From the spec: + If the same scalefactor band and group is coded by perceptual noise + substitution in both channels of a channel pair, the correlation of + the noise signal can be controlled by means of the ms_used field: While + the default noise generation process works independently for each channel + (separate generation of random vectors), the same random vector is used + for both channels if ms_used[] is set for a particular scalefactor band + and group. In this case, no M/S stereo coding is carried out (because M/S + stereo coding and noise substitution coding are mutually exclusive). + If the same scalefactor band and group is coded by perceptual noise + substitution in only one channel of a channel pair the setting of ms_used[] + is not evaluated. + */ + if (channel_pair) { + if (is_noise(ics_right, g, sfb)) { + if (((ics_left->ms_mask_present == 1) && + (ics_left->ms_used[g][sfb])) || + (ics_left->ms_mask_present == 2)) { + uint16_t c; + + offs = ics_right->swb_offset[sfb]; + size = min(ics_right->swb_offset[sfb + 1], ics_right->swb_offset_max) - offs; + + for (c = 0; c < size; c++) { + spec_right[(group * nshort) + offs + c] = + spec_left[(group * nshort) + offs + c]; + } + } else { /*if (ics_left->ms_mask_present == 0)*/ +#ifdef LTP_DEC + ics_right->ltp.long_used[sfb] = 0; + ics_right->ltp2.long_used[sfb] = 0; +#endif +#ifdef MAIN_DEC + ics_right->pred.prediction_used[sfb] = 0; +#endif + + offs = ics_right->swb_offset[sfb]; + size = min(ics_right->swb_offset[sfb + 1], ics_right->swb_offset_max) - offs; + + /* Generate random vector */ + gen_rand_vector(&spec_right[(group * nshort) + offs], + ics_right->scale_factors[g][sfb], size, sub, __r1, __r2); + } + } + } + } /* sfb */ + group++; + } /* b */ + } /* g */ +} diff --git a/audio_codec/libfaad/pns.h b/audio_codec/libfaad/pns.h new file mode 100644 index 0000000..540de60 --- a/dev/null +++ b/audio_codec/libfaad/pns.h @@ -0,0 +1,58 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: pns.h,v 1.27 2007/11/01 12:33:33 menno Exp $ +**/ + +#ifndef __PNS_H__ +#define __PNS_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "syntax.h" + +#define NOISE_OFFSET 90 + + void pns_decode(ic_stream *ics_left, ic_stream *ics_right, + real_t *spec_left, real_t *spec_right, uint16_t frame_len, + uint8_t channel_pair, uint8_t object_type, + /* RNG states */ uint32_t *__r1, uint32_t *__r2); + + static INLINE uint8_t is_noise(ic_stream *ics, uint8_t group, uint8_t sfb) + { + if (ics->sfb_cb[group][sfb] == NOISE_HCB) { + return 1; + } + return 0; + } + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/ps_dec.c b/audio_codec/libfaad/ps_dec.c new file mode 100644 index 0000000..2cd2e5e --- a/dev/null +++ b/audio_codec/libfaad/ps_dec.c @@ -0,0 +1,1905 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: ps_dec.c,v 1.16 2009/01/26 22:32:31 menno Exp $ +**/ + +#include +#include +#include +#include +#include "common.h" + +#ifdef PS_DEC + +#include "ps_dec.h" +#include "ps_tables.h" + +/* constants */ +#define NEGATE_IPD_MASK (0x1000) +#define DECAY_SLOPE FRAC_CONST(0.05) +#define COEF_SQRT2 COEF_CONST(1.4142135623731) + +/* tables */ +/* filters are mirrored in coef 6, second half left out */ +static const real_t p8_13_20[7] = { + FRAC_CONST(0.00746082949812), + FRAC_CONST(0.02270420949825), + FRAC_CONST(0.04546865930473), + FRAC_CONST(0.07266113929591), + FRAC_CONST(0.09885108575264), + FRAC_CONST(0.11793710567217), + FRAC_CONST(0.125) +}; + +static const real_t p2_13_20[7] = { + FRAC_CONST(0.0), + FRAC_CONST(0.01899487526049), + FRAC_CONST(0.0), + FRAC_CONST(-0.07293139167538), + FRAC_CONST(0.0), + FRAC_CONST(0.30596630545168), + FRAC_CONST(0.5) +}; + +static const real_t p12_13_34[7] = { + FRAC_CONST(0.04081179924692), + FRAC_CONST(0.03812810994926), + FRAC_CONST(0.05144908135699), + FRAC_CONST(0.06399831151592), + FRAC_CONST(0.07428313801106), + FRAC_CONST(0.08100347892914), + FRAC_CONST(0.08333333333333) +}; + +static const real_t p8_13_34[7] = { + FRAC_CONST(0.01565675600122), + FRAC_CONST(0.03752716391991), + FRAC_CONST(0.05417891378782), + FRAC_CONST(0.08417044116767), + FRAC_CONST(0.10307344158036), + FRAC_CONST(0.12222452249753), + FRAC_CONST(0.125) +}; + +static const real_t p4_13_34[7] = { + FRAC_CONST(-0.05908211155639), + FRAC_CONST(-0.04871498374946), + FRAC_CONST(0.0), + FRAC_CONST(0.07778723915851), + FRAC_CONST(0.16486303567403), + FRAC_CONST(0.23279856662996), + FRAC_CONST(0.25) +}; + +#ifdef PARAM_32KHZ +static const uint8_t delay_length_d[2][NO_ALLPASS_LINKS] = { + { 1, 2, 3 } /* d_24kHz */, + { 3, 4, 5 } /* d_48kHz */ +}; +#else +static const uint8_t delay_length_d[NO_ALLPASS_LINKS] = { + 3, 4, 5 /* d_48kHz */ +}; +#endif +static const real_t filter_a[NO_ALLPASS_LINKS] = { /* a(m) = exp(-d_48kHz(m)/7) */ + FRAC_CONST(0.65143905753106), + FRAC_CONST(0.56471812200776), + FRAC_CONST(0.48954165955695) +}; + +static const uint8_t group_border20[10 + 12 + 1] = { + 6, 7, 0, 1, 2, 3, /* 6 subqmf subbands */ + 9, 8, /* 2 subqmf subbands */ + 10, 11, /* 2 subqmf subbands */ + 3, 4, 5, 6, 7, 8, 9, 11, 14, 18, 23, 35, 64 +}; + +static const uint8_t group_border34[32 + 18 + 1] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, /* 12 subqmf subbands */ + 12, 13, 14, 15, 16, 17, 18, 19, /* 8 subqmf subbands */ + 20, 21, 22, 23, /* 4 subqmf subbands */ + 24, 25, 26, 27, /* 4 subqmf subbands */ + 28, 29, 30, 31, /* 4 subqmf subbands */ + 32 - 27, 33 - 27, 34 - 27, 35 - 27, 36 - 27, 37 - 27, 38 - 27, 40 - 27, 42 - 27, 44 - 27, 46 - 27, 48 - 27, 51 - 27, 54 - 27, 57 - 27, 60 - 27, 64 - 27, 68 - 27, 91 - 27 +}; + +static const uint16_t map_group2bk20[10 + 12] = { + (NEGATE_IPD_MASK | 1), (NEGATE_IPD_MASK | 0), + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 +}; + +static const uint16_t map_group2bk34[32 + 18] = { + 0, 1, 2, 3, 4, 5, 6, 6, 7, (NEGATE_IPD_MASK | 2), (NEGATE_IPD_MASK | 1), (NEGATE_IPD_MASK | 0), + 10, 10, 4, 5, 6, 7, 8, 9, + 10, 11, 12, 9, + 14, 11, 12, 13, + 14, 15, 16, 13, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 +}; + +/* type definitions */ +typedef struct { + uint8_t frame_len; + uint8_t resolution20[3]; + uint8_t resolution34[5]; + + qmf_t *work; + qmf_t **buffer; + qmf_t **temp; +} hyb_info; + +/* static function declarations */ +static void ps_data_decode(ps_info *ps); +static hyb_info *hybrid_init(uint8_t numTimeSlotsRate); +static void channel_filter2(hyb_info *hyb, uint8_t frame_len, const real_t *filter, + qmf_t *buffer, qmf_t **X_hybrid); +static void INLINE DCT3_4_unscaled(real_t *y, real_t *x); +static void channel_filter8(hyb_info *hyb, uint8_t frame_len, const real_t *filter, + qmf_t *buffer, qmf_t **X_hybrid); +static void hybrid_analysis(hyb_info *hyb, qmf_t X[32][64], qmf_t X_hybrid[32][32], + uint8_t use34, uint8_t numTimeSlotsRate); +static void hybrid_synthesis(hyb_info *hyb, qmf_t X[32][64], qmf_t X_hybrid[32][32], + uint8_t use34, uint8_t numTimeSlotsRate); +static int8_t delta_clip(int8_t i, int8_t min, int8_t max); +static void delta_decode(uint8_t enable, int8_t *index, int8_t *index_prev, + uint8_t dt_flag, uint8_t nr_par, uint8_t stride, + int8_t min_index, int8_t max_index); +static void delta_modulo_decode(uint8_t enable, int8_t *index, int8_t *index_prev, + uint8_t dt_flag, uint8_t nr_par, uint8_t stride, + int8_t and_modulo); +static void map20indexto34(int8_t *index, uint8_t bins); +#ifdef PS_LOW_POWER +static void map34indexto20(int8_t *index, uint8_t bins); +#endif +static void ps_data_decode(ps_info *ps); +static void ps_decorrelate(ps_info *ps, qmf_t X_left[38][64], qmf_t X_right[38][64], + qmf_t X_hybrid_left[32][32], qmf_t X_hybrid_right[32][32]); +static void ps_mix_phase(ps_info *ps, qmf_t X_left[38][64], qmf_t X_right[38][64], + qmf_t X_hybrid_left[32][32], qmf_t X_hybrid_right[32][32]); + +/* */ + + +static hyb_info *hybrid_init(uint8_t numTimeSlotsRate) +{ + uint8_t i; + + hyb_info *hyb = (hyb_info*)faad_malloc(sizeof(hyb_info)); + + hyb->resolution34[0] = 12; + hyb->resolution34[1] = 8; + hyb->resolution34[2] = 4; + hyb->resolution34[3] = 4; + hyb->resolution34[4] = 4; + + hyb->resolution20[0] = 8; + hyb->resolution20[1] = 2; + hyb->resolution20[2] = 2; + + hyb->frame_len = numTimeSlotsRate; + + hyb->work = (qmf_t*)faad_malloc((hyb->frame_len + 12) * sizeof(qmf_t)); + memset(hyb->work, 0, (hyb->frame_len + 12) * sizeof(qmf_t)); + + hyb->buffer = (qmf_t**)faad_malloc(5 * sizeof(qmf_t*)); + for (i = 0; i < 5; i++) { + hyb->buffer[i] = (qmf_t*)faad_malloc(hyb->frame_len * sizeof(qmf_t)); + memset(hyb->buffer[i], 0, hyb->frame_len * sizeof(qmf_t)); + } + + hyb->temp = (qmf_t**)faad_malloc(hyb->frame_len * sizeof(qmf_t*)); + for (i = 0; i < hyb->frame_len; i++) { + hyb->temp[i] = (qmf_t*)faad_malloc(12 /*max*/ * sizeof(qmf_t)); + } + + return hyb; +} + +static void hybrid_free(hyb_info *hyb) +{ + uint8_t i; + + if (!hyb) { + return; + } + + if (hyb->work) { + faad_free(hyb->work); + } + + for (i = 0; i < 5; i++) { + if (hyb->buffer[i]) { + faad_free(hyb->buffer[i]); + } + } + if (hyb->buffer) { + faad_free(hyb->buffer); + } + + for (i = 0; i < hyb->frame_len; i++) { + if (hyb->temp[i]) { + faad_free(hyb->temp[i]); + } + } + if (hyb->temp) { + faad_free(hyb->temp); + } + + faad_free(hyb); +} + +/* real filter, size 2 */ +static void channel_filter2(hyb_info *hyb, uint8_t frame_len, const real_t *filter, + qmf_t *buffer, qmf_t **X_hybrid) +{ + uint8_t i; + + for (i = 0; i < frame_len; i++) { + real_t r0 = MUL_F(filter[0], (QMF_RE(buffer[0 + i]) + QMF_RE(buffer[12 + i]))); + real_t r1 = MUL_F(filter[1], (QMF_RE(buffer[1 + i]) + QMF_RE(buffer[11 + i]))); + real_t r2 = MUL_F(filter[2], (QMF_RE(buffer[2 + i]) + QMF_RE(buffer[10 + i]))); + real_t r3 = MUL_F(filter[3], (QMF_RE(buffer[3 + i]) + QMF_RE(buffer[9 + i]))); + real_t r4 = MUL_F(filter[4], (QMF_RE(buffer[4 + i]) + QMF_RE(buffer[8 + i]))); + real_t r5 = MUL_F(filter[5], (QMF_RE(buffer[5 + i]) + QMF_RE(buffer[7 + i]))); + real_t r6 = MUL_F(filter[6], QMF_RE(buffer[6 + i])); + real_t i0 = MUL_F(filter[0], (QMF_IM(buffer[0 + i]) + QMF_IM(buffer[12 + i]))); + real_t i1 = MUL_F(filter[1], (QMF_IM(buffer[1 + i]) + QMF_IM(buffer[11 + i]))); + real_t i2 = MUL_F(filter[2], (QMF_IM(buffer[2 + i]) + QMF_IM(buffer[10 + i]))); + real_t i3 = MUL_F(filter[3], (QMF_IM(buffer[3 + i]) + QMF_IM(buffer[9 + i]))); + real_t i4 = MUL_F(filter[4], (QMF_IM(buffer[4 + i]) + QMF_IM(buffer[8 + i]))); + real_t i5 = MUL_F(filter[5], (QMF_IM(buffer[5 + i]) + QMF_IM(buffer[7 + i]))); + real_t i6 = MUL_F(filter[6], QMF_IM(buffer[6 + i])); + + /* q = 0 */ + QMF_RE(X_hybrid[i][0]) = r0 + r1 + r2 + r3 + r4 + r5 + r6; + QMF_IM(X_hybrid[i][0]) = i0 + i1 + i2 + i3 + i4 + i5 + i6; + + /* q = 1 */ + QMF_RE(X_hybrid[i][1]) = r0 - r1 + r2 - r3 + r4 - r5 + r6; + QMF_IM(X_hybrid[i][1]) = i0 - i1 + i2 - i3 + i4 - i5 + i6; + } +} + +/* complex filter, size 4 */ +static void channel_filter4(hyb_info *hyb, uint8_t frame_len, const real_t *filter, + qmf_t *buffer, qmf_t **X_hybrid) +{ + uint8_t i; + real_t input_re1[2], input_re2[2], input_im1[2], input_im2[2]; + + for (i = 0; i < frame_len; i++) { + input_re1[0] = -MUL_F(filter[2], (QMF_RE(buffer[i + 2]) + QMF_RE(buffer[i + 10]))) + + MUL_F(filter[6], QMF_RE(buffer[i + 6])); + input_re1[1] = MUL_F(FRAC_CONST(-0.70710678118655), + (MUL_F(filter[1], (QMF_RE(buffer[i + 1]) + QMF_RE(buffer[i + 11]))) + + MUL_F(filter[3], (QMF_RE(buffer[i + 3]) + QMF_RE(buffer[i + 9]))) - + MUL_F(filter[5], (QMF_RE(buffer[i + 5]) + QMF_RE(buffer[i + 7]))))); + + input_im1[0] = MUL_F(filter[0], (QMF_IM(buffer[i + 0]) - QMF_IM(buffer[i + 12]))) - + MUL_F(filter[4], (QMF_IM(buffer[i + 4]) - QMF_IM(buffer[i + 8]))); + input_im1[1] = MUL_F(FRAC_CONST(0.70710678118655), + (MUL_F(filter[1], (QMF_IM(buffer[i + 1]) - QMF_IM(buffer[i + 11]))) - + MUL_F(filter[3], (QMF_IM(buffer[i + 3]) - QMF_IM(buffer[i + 9]))) - + MUL_F(filter[5], (QMF_IM(buffer[i + 5]) - QMF_IM(buffer[i + 7]))))); + + input_re2[0] = MUL_F(filter[0], (QMF_RE(buffer[i + 0]) - QMF_RE(buffer[i + 12]))) - + MUL_F(filter[4], (QMF_RE(buffer[i + 4]) - QMF_RE(buffer[i + 8]))); + input_re2[1] = MUL_F(FRAC_CONST(0.70710678118655), + (MUL_F(filter[1], (QMF_RE(buffer[i + 1]) - QMF_RE(buffer[i + 11]))) - + MUL_F(filter[3], (QMF_RE(buffer[i + 3]) - QMF_RE(buffer[i + 9]))) - + MUL_F(filter[5], (QMF_RE(buffer[i + 5]) - QMF_RE(buffer[i + 7]))))); + + input_im2[0] = -MUL_F(filter[2], (QMF_IM(buffer[i + 2]) + QMF_IM(buffer[i + 10]))) + + MUL_F(filter[6], QMF_IM(buffer[i + 6])); + input_im2[1] = MUL_F(FRAC_CONST(-0.70710678118655), + (MUL_F(filter[1], (QMF_IM(buffer[i + 1]) + QMF_IM(buffer[i + 11]))) + + MUL_F(filter[3], (QMF_IM(buffer[i + 3]) + QMF_IM(buffer[i + 9]))) - + MUL_F(filter[5], (QMF_IM(buffer[i + 5]) + QMF_IM(buffer[i + 7]))))); + + /* q == 0 */ + QMF_RE(X_hybrid[i][0]) = input_re1[0] + input_re1[1] + input_im1[0] + input_im1[1]; + QMF_IM(X_hybrid[i][0]) = -input_re2[0] - input_re2[1] + input_im2[0] + input_im2[1]; + + /* q == 1 */ + QMF_RE(X_hybrid[i][1]) = input_re1[0] - input_re1[1] - input_im1[0] + input_im1[1]; + QMF_IM(X_hybrid[i][1]) = input_re2[0] - input_re2[1] + input_im2[0] - input_im2[1]; + + /* q == 2 */ + QMF_RE(X_hybrid[i][2]) = input_re1[0] - input_re1[1] + input_im1[0] - input_im1[1]; + QMF_IM(X_hybrid[i][2]) = -input_re2[0] + input_re2[1] + input_im2[0] - input_im2[1]; + + /* q == 3 */ + QMF_RE(X_hybrid[i][3]) = input_re1[0] + input_re1[1] - input_im1[0] - input_im1[1]; + QMF_IM(X_hybrid[i][3]) = input_re2[0] + input_re2[1] + input_im2[0] + input_im2[1]; + } +} + +static void INLINE DCT3_4_unscaled(real_t *y, real_t *x) +{ + real_t f0, f1, f2, f3, f4, f5, f6, f7, f8; + + f0 = MUL_F(x[2], FRAC_CONST(0.7071067811865476)); + f1 = x[0] - f0; + f2 = x[0] + f0; + f3 = x[1] + x[3]; + f4 = MUL_C(x[1], COEF_CONST(1.3065629648763766)); + f5 = MUL_F(f3, FRAC_CONST(-0.9238795325112866)); + f6 = MUL_F(x[3], FRAC_CONST(-0.5411961001461967)); + f7 = f4 + f5; + f8 = f6 - f5; + y[3] = f2 - f8; + y[0] = f2 + f8; + y[2] = f1 - f7; + y[1] = f1 + f7; +} + +/* complex filter, size 8 */ +static void channel_filter8(hyb_info *hyb, uint8_t frame_len, const real_t *filter, + qmf_t *buffer, qmf_t **X_hybrid) +{ + uint8_t i, n; + real_t input_re1[4], input_re2[4], input_im1[4], input_im2[4]; + real_t x[4]; + + for (i = 0; i < frame_len; i++) { + input_re1[0] = MUL_F(filter[6], QMF_RE(buffer[6 + i])); + input_re1[1] = MUL_F(filter[5], (QMF_RE(buffer[5 + i]) + QMF_RE(buffer[7 + i]))); + input_re1[2] = -MUL_F(filter[0], (QMF_RE(buffer[0 + i]) + QMF_RE(buffer[12 + i]))) + MUL_F(filter[4], (QMF_RE(buffer[4 + i]) + QMF_RE(buffer[8 + i]))); + input_re1[3] = -MUL_F(filter[1], (QMF_RE(buffer[1 + i]) + QMF_RE(buffer[11 + i]))) + MUL_F(filter[3], (QMF_RE(buffer[3 + i]) + QMF_RE(buffer[9 + i]))); + + input_im1[0] = MUL_F(filter[5], (QMF_IM(buffer[7 + i]) - QMF_IM(buffer[5 + i]))); + input_im1[1] = MUL_F(filter[0], (QMF_IM(buffer[12 + i]) - QMF_IM(buffer[0 + i]))) + MUL_F(filter[4], (QMF_IM(buffer[8 + i]) - QMF_IM(buffer[4 + i]))); + input_im1[2] = MUL_F(filter[1], (QMF_IM(buffer[11 + i]) - QMF_IM(buffer[1 + i]))) + MUL_F(filter[3], (QMF_IM(buffer[9 + i]) - QMF_IM(buffer[3 + i]))); + input_im1[3] = MUL_F(filter[2], (QMF_IM(buffer[10 + i]) - QMF_IM(buffer[2 + i]))); + + for (n = 0; n < 4; n++) { + x[n] = input_re1[n] - input_im1[3 - n]; + } + DCT3_4_unscaled(x, x); + QMF_RE(X_hybrid[i][7]) = x[0]; + QMF_RE(X_hybrid[i][5]) = x[2]; + QMF_RE(X_hybrid[i][3]) = x[3]; + QMF_RE(X_hybrid[i][1]) = x[1]; + + for (n = 0; n < 4; n++) { + x[n] = input_re1[n] + input_im1[3 - n]; + } + DCT3_4_unscaled(x, x); + QMF_RE(X_hybrid[i][6]) = x[1]; + QMF_RE(X_hybrid[i][4]) = x[3]; + QMF_RE(X_hybrid[i][2]) = x[2]; + QMF_RE(X_hybrid[i][0]) = x[0]; + + input_im2[0] = MUL_F(filter[6], QMF_IM(buffer[6 + i])); + input_im2[1] = MUL_F(filter[5], (QMF_IM(buffer[5 + i]) + QMF_IM(buffer[7 + i]))); + input_im2[2] = -MUL_F(filter[0], (QMF_IM(buffer[0 + i]) + QMF_IM(buffer[12 + i]))) + MUL_F(filter[4], (QMF_IM(buffer[4 + i]) + QMF_IM(buffer[8 + i]))); + input_im2[3] = -MUL_F(filter[1], (QMF_IM(buffer[1 + i]) + QMF_IM(buffer[11 + i]))) + MUL_F(filter[3], (QMF_IM(buffer[3 + i]) + QMF_IM(buffer[9 + i]))); + + input_re2[0] = MUL_F(filter[5], (QMF_RE(buffer[7 + i]) - QMF_RE(buffer[5 + i]))); + input_re2[1] = MUL_F(filter[0], (QMF_RE(buffer[12 + i]) - QMF_RE(buffer[0 + i]))) + MUL_F(filter[4], (QMF_RE(buffer[8 + i]) - QMF_RE(buffer[4 + i]))); + input_re2[2] = MUL_F(filter[1], (QMF_RE(buffer[11 + i]) - QMF_RE(buffer[1 + i]))) + MUL_F(filter[3], (QMF_RE(buffer[9 + i]) - QMF_RE(buffer[3 + i]))); + input_re2[3] = MUL_F(filter[2], (QMF_RE(buffer[10 + i]) - QMF_RE(buffer[2 + i]))); + + for (n = 0; n < 4; n++) { + x[n] = input_im2[n] + input_re2[3 - n]; + } + DCT3_4_unscaled(x, x); + QMF_IM(X_hybrid[i][7]) = x[0]; + QMF_IM(X_hybrid[i][5]) = x[2]; + QMF_IM(X_hybrid[i][3]) = x[3]; + QMF_IM(X_hybrid[i][1]) = x[1]; + + for (n = 0; n < 4; n++) { + x[n] = input_im2[n] - input_re2[3 - n]; + } + DCT3_4_unscaled(x, x); + QMF_IM(X_hybrid[i][6]) = x[1]; + QMF_IM(X_hybrid[i][4]) = x[3]; + QMF_IM(X_hybrid[i][2]) = x[2]; + QMF_IM(X_hybrid[i][0]) = x[0]; + } +} + +static void INLINE DCT3_6_unscaled(real_t *y, real_t *x) +{ + real_t f0, f1, f2, f3, f4, f5, f6, f7; + + f0 = MUL_F(x[3], FRAC_CONST(0.70710678118655)); + f1 = x[0] + f0; + f2 = x[0] - f0; + f3 = MUL_F((x[1] - x[5]), FRAC_CONST(0.70710678118655)); + f4 = MUL_F(x[2], FRAC_CONST(0.86602540378444)) + MUL_F(x[4], FRAC_CONST(0.5)); + f5 = f4 - x[4]; + f6 = MUL_F(x[1], FRAC_CONST(0.96592582628907)) + MUL_F(x[5], FRAC_CONST(0.25881904510252)); + f7 = f6 - f3; + y[0] = f1 + f6 + f4; + y[1] = f2 + f3 - x[4]; + y[2] = f7 + f2 - f5; + y[3] = f1 - f7 - f5; + y[4] = f1 - f3 - x[4]; + y[5] = f2 - f6 + f4; +} + +/* complex filter, size 12 */ +static void channel_filter12(hyb_info *hyb, uint8_t frame_len, const real_t *filter, + qmf_t *buffer, qmf_t **X_hybrid) +{ + uint8_t i, n; + real_t input_re1[6], input_re2[6], input_im1[6], input_im2[6]; + real_t out_re1[6], out_re2[6], out_im1[6], out_im2[6]; + + for (i = 0; i < frame_len; i++) { + for (n = 0; n < 6; n++) { + if (n == 0) { + input_re1[0] = MUL_F(QMF_RE(buffer[6 + i]), filter[6]); + input_re2[0] = MUL_F(QMF_IM(buffer[6 + i]), filter[6]); + } else { + input_re1[6 - n] = MUL_F((QMF_RE(buffer[n + i]) + QMF_RE(buffer[12 - n + i])), filter[n]); + input_re2[6 - n] = MUL_F((QMF_IM(buffer[n + i]) + QMF_IM(buffer[12 - n + i])), filter[n]); + } + input_im2[n] = MUL_F((QMF_RE(buffer[n + i]) - QMF_RE(buffer[12 - n + i])), filter[n]); + input_im1[n] = MUL_F((QMF_IM(buffer[n + i]) - QMF_IM(buffer[12 - n + i])), filter[n]); + } + + DCT3_6_unscaled(out_re1, input_re1); + DCT3_6_unscaled(out_re2, input_re2); + + DCT3_6_unscaled(out_im1, input_im1); + DCT3_6_unscaled(out_im2, input_im2); + + for (n = 0; n < 6; n += 2) { + QMF_RE(X_hybrid[i][n]) = out_re1[n] - out_im1[n]; + QMF_IM(X_hybrid[i][n]) = out_re2[n] + out_im2[n]; + QMF_RE(X_hybrid[i][n + 1]) = out_re1[n + 1] + out_im1[n + 1]; + QMF_IM(X_hybrid[i][n + 1]) = out_re2[n + 1] - out_im2[n + 1]; + + QMF_RE(X_hybrid[i][10 - n]) = out_re1[n + 1] - out_im1[n + 1]; + QMF_IM(X_hybrid[i][10 - n]) = out_re2[n + 1] + out_im2[n + 1]; + QMF_RE(X_hybrid[i][11 - n]) = out_re1[n] + out_im1[n]; + QMF_IM(X_hybrid[i][11 - n]) = out_re2[n] - out_im2[n]; + } + } +} + +/* Hybrid analysis: further split up QMF subbands + * to improve frequency resolution + */ +static void hybrid_analysis(hyb_info *hyb, qmf_t X[32][64], qmf_t X_hybrid[32][32], + uint8_t use34, uint8_t numTimeSlotsRate) +{ + uint8_t k, n, band; + uint8_t offset = 0; + uint8_t qmf_bands = (use34) ? 5 : 3; + uint8_t *resolution = (use34) ? hyb->resolution34 : hyb->resolution20; + + for (band = 0; band < qmf_bands; band++) { + /* build working buffer */ + memcpy(hyb->work, hyb->buffer[band], 12 * sizeof(qmf_t)); + + /* add new samples */ + for (n = 0; n < hyb->frame_len; n++) { + QMF_RE(hyb->work[12 + n]) = QMF_RE(X[n + 6 /*delay*/][band]); + QMF_IM(hyb->work[12 + n]) = QMF_IM(X[n + 6 /*delay*/][band]); + } + + /* store samples */ + memcpy(hyb->buffer[band], hyb->work + hyb->frame_len, 12 * sizeof(qmf_t)); + + + switch (resolution[band]) { + case 2: + /* Type B real filter, Q[p] = 2 */ + channel_filter2(hyb, hyb->frame_len, p2_13_20, hyb->work, hyb->temp); + break; + case 4: + /* Type A complex filter, Q[p] = 4 */ + channel_filter4(hyb, hyb->frame_len, p4_13_34, hyb->work, hyb->temp); + break; + case 8: + /* Type A complex filter, Q[p] = 8 */ + channel_filter8(hyb, hyb->frame_len, (use34) ? p8_13_34 : p8_13_20, + hyb->work, hyb->temp); + break; + case 12: + /* Type A complex filter, Q[p] = 12 */ + channel_filter12(hyb, hyb->frame_len, p12_13_34, hyb->work, hyb->temp); + break; + } + + for (n = 0; n < hyb->frame_len; n++) { + for (k = 0; k < resolution[band]; k++) { + QMF_RE(X_hybrid[n][offset + k]) = QMF_RE(hyb->temp[n][k]); + QMF_IM(X_hybrid[n][offset + k]) = QMF_IM(hyb->temp[n][k]); + } + } + offset += resolution[band]; + } + + /* group hybrid channels */ + if (!use34) { + for (n = 0; n < numTimeSlotsRate; n++) { + QMF_RE(X_hybrid[n][3]) += QMF_RE(X_hybrid[n][4]); + QMF_IM(X_hybrid[n][3]) += QMF_IM(X_hybrid[n][4]); + QMF_RE(X_hybrid[n][4]) = 0; + QMF_IM(X_hybrid[n][4]) = 0; + + QMF_RE(X_hybrid[n][2]) += QMF_RE(X_hybrid[n][5]); + QMF_IM(X_hybrid[n][2]) += QMF_IM(X_hybrid[n][5]); + QMF_RE(X_hybrid[n][5]) = 0; + QMF_IM(X_hybrid[n][5]) = 0; + } + } +} + +static void hybrid_synthesis(hyb_info *hyb, qmf_t X[32][64], qmf_t X_hybrid[32][32], + uint8_t use34, uint8_t numTimeSlotsRate) +{ + uint8_t k, n, band; + uint8_t offset = 0; + uint8_t qmf_bands = (use34) ? 5 : 3; + uint8_t *resolution = (use34) ? hyb->resolution34 : hyb->resolution20; + + for (band = 0; band < qmf_bands; band++) { + for (n = 0; n < hyb->frame_len; n++) { + QMF_RE(X[n][band]) = 0; + QMF_IM(X[n][band]) = 0; + + for (k = 0; k < resolution[band]; k++) { + QMF_RE(X[n][band]) += QMF_RE(X_hybrid[n][offset + k]); + QMF_IM(X[n][band]) += QMF_IM(X_hybrid[n][offset + k]); + } + } + offset += resolution[band]; + } +} + +/* limits the value i to the range [min,max] */ +static int8_t delta_clip(int8_t i, int8_t min, int8_t max) +{ + if (i < min) { + return min; + } else if (i > max) { + return max; + } else { + return i; + } +} + +//int iid = 0; + +/* delta decode array */ +static void delta_decode(uint8_t enable, int8_t *index, int8_t *index_prev, + uint8_t dt_flag, uint8_t nr_par, uint8_t stride, + int8_t min_index, int8_t max_index) +{ + int8_t i; + + if (enable == 1) { + if (dt_flag == 0) { + /* delta coded in frequency direction */ + index[0] = 0 + index[0]; + index[0] = delta_clip(index[0], min_index, max_index); + + for (i = 1; i < nr_par; i++) { + index[i] = index[i - 1] + index[i]; + index[i] = delta_clip(index[i], min_index, max_index); + } + } else { + /* delta coded in time direction */ + for (i = 0; i < nr_par; i++) { + //int8_t tmp2; + //int8_t tmp = index[i]; + + //printf("%d %d\n", index_prev[i*stride], index[i]); + //printf("%d\n", index[i]); + + index[i] = index_prev[i * stride] + index[i]; + //tmp2 = index[i]; + index[i] = delta_clip(index[i], min_index, max_index); + + //if (iid) + //{ + // if (index[i] == 7) + // { + // printf("%d %d %d\n", index_prev[i*stride], tmp, tmp2); + // } + //} + } + } + } else { + /* set indices to zero */ + for (i = 0; i < nr_par; i++) { + index[i] = 0; + } + } + + /* coarse */ + if (stride == 2) { + for (i = (nr_par << 1) - 1; i > 0; i--) { + index[i] = index[i >> 1]; + } + } +} + +/* delta modulo decode array */ +/* in: log2 value of the modulo value to allow using AND instead of MOD */ +static void delta_modulo_decode(uint8_t enable, int8_t *index, int8_t *index_prev, + uint8_t dt_flag, uint8_t nr_par, uint8_t stride, + int8_t and_modulo) +{ + int8_t i; + + if (enable == 1) { + if (dt_flag == 0) { + /* delta coded in frequency direction */ + index[0] = 0 + index[0]; + index[0] &= and_modulo; + + for (i = 1; i < nr_par; i++) { + index[i] = index[i - 1] + index[i]; + index[i] &= and_modulo; + } + } else { + /* delta coded in time direction */ + for (i = 0; i < nr_par; i++) { + index[i] = index_prev[i * stride] + index[i]; + index[i] &= and_modulo; + } + } + } else { + /* set indices to zero */ + for (i = 0; i < nr_par; i++) { + index[i] = 0; + } + } + + /* coarse */ + if (stride == 2) { + index[0] = 0; + for (i = (nr_par << 1) - 1; i > 0; i--) { + index[i] = index[i >> 1]; + } + } +} + +#ifdef PS_LOW_POWER +static void map34indexto20(int8_t *index, uint8_t bins) +{ + index[0] = (2 * index[0] + index[1]) / 3; + index[1] = (index[1] + 2 * index[2]) / 3; + index[2] = (2 * index[3] + index[4]) / 3; + index[3] = (index[4] + 2 * index[5]) / 3; + index[4] = (index[6] + index[7]) / 2; + index[5] = (index[8] + index[9]) / 2; + index[6] = index[10]; + index[7] = index[11]; + index[8] = (index[12] + index[13]) / 2; + index[9] = (index[14] + index[15]) / 2; + index[10] = index[16]; + + if (bins == 34) { + index[11] = index[17]; + index[12] = index[18]; + index[13] = index[19]; + index[14] = (index[20] + index[21]) / 2; + index[15] = (index[22] + index[23]) / 2; + index[16] = (index[24] + index[25]) / 2; + index[17] = (index[26] + index[27]) / 2; + index[18] = (index[28] + index[29] + index[30] + index[31]) / 4; + index[19] = (index[32] + index[33]) / 2; + } +} +#endif + +static void map20indexto34(int8_t *index, uint8_t bins) +{ + index[0] = index[0]; + index[1] = (index[0] + index[1]) / 2; + index[2] = index[1]; + index[3] = index[2]; + index[4] = (index[2] + index[3]) / 2; + index[5] = index[3]; + index[6] = index[4]; + index[7] = index[4]; + index[8] = index[5]; + index[9] = index[5]; + index[10] = index[6]; + index[11] = index[7]; + index[12] = index[8]; + index[13] = index[8]; + index[14] = index[9]; + index[15] = index[9]; + index[16] = index[10]; + + if (bins == 34) { + index[17] = index[11]; + index[18] = index[12]; + index[19] = index[13]; + index[20] = index[14]; + index[21] = index[14]; + index[22] = index[15]; + index[23] = index[15]; + index[24] = index[16]; + index[25] = index[16]; + index[26] = index[17]; + index[27] = index[17]; + index[28] = index[18]; + index[29] = index[18]; + index[30] = index[18]; + index[31] = index[18]; + index[32] = index[19]; + index[33] = index[19]; + } +} + +/* parse the bitstream data decoded in ps_data() */ +static void ps_data_decode(ps_info *ps) +{ + uint8_t env, bin; + + /* ps data not available, use data from previous frame */ + if (ps->ps_data_available == 0) { + ps->num_env = 0; + } + + for (env = 0; env < ps->num_env; env++) { + int8_t *iid_index_prev; + int8_t *icc_index_prev; + int8_t *ipd_index_prev; + int8_t *opd_index_prev; + + int8_t num_iid_steps = (ps->iid_mode < 3) ? 7 : 15 /*fine quant*/; + + if (env == 0) { + /* take last envelope from previous frame */ + iid_index_prev = ps->iid_index_prev; + icc_index_prev = ps->icc_index_prev; + ipd_index_prev = ps->ipd_index_prev; + opd_index_prev = ps->opd_index_prev; + } else { + /* take index values from previous envelope */ + iid_index_prev = ps->iid_index[env - 1]; + icc_index_prev = ps->icc_index[env - 1]; + ipd_index_prev = ps->ipd_index[env - 1]; + opd_index_prev = ps->opd_index[env - 1]; + } + + // iid = 1; + /* delta decode iid parameters */ + delta_decode(ps->enable_iid, ps->iid_index[env], iid_index_prev, + ps->iid_dt[env], ps->nr_iid_par, + (ps->iid_mode == 0 || ps->iid_mode == 3) ? 2 : 1, + -num_iid_steps, num_iid_steps); + // iid = 0; + + /* delta decode icc parameters */ + delta_decode(ps->enable_icc, ps->icc_index[env], icc_index_prev, + ps->icc_dt[env], ps->nr_icc_par, + (ps->icc_mode == 0 || ps->icc_mode == 3) ? 2 : 1, + 0, 7); + + /* delta modulo decode ipd parameters */ + delta_modulo_decode(ps->enable_ipdopd, ps->ipd_index[env], ipd_index_prev, + ps->ipd_dt[env], ps->nr_ipdopd_par, 1, 7); + + /* delta modulo decode opd parameters */ + delta_modulo_decode(ps->enable_ipdopd, ps->opd_index[env], opd_index_prev, + ps->opd_dt[env], ps->nr_ipdopd_par, 1, 7); + } + + /* handle error case */ + if (ps->num_env == 0) { + /* force to 1 */ + ps->num_env = 1; + + if (ps->enable_iid) { + for (bin = 0; bin < 34; bin++) { + ps->iid_index[0][bin] = ps->iid_index_prev[bin]; + } + } else { + for (bin = 0; bin < 34; bin++) { + ps->iid_index[0][bin] = 0; + } + } + + if (ps->enable_icc) { + for (bin = 0; bin < 34; bin++) { + ps->icc_index[0][bin] = ps->icc_index_prev[bin]; + } + } else { + for (bin = 0; bin < 34; bin++) { + ps->icc_index[0][bin] = 0; + } + } + + if (ps->enable_ipdopd) { + for (bin = 0; bin < 17; bin++) { + ps->ipd_index[0][bin] = ps->ipd_index_prev[bin]; + ps->opd_index[0][bin] = ps->opd_index_prev[bin]; + } + } else { + for (bin = 0; bin < 17; bin++) { + ps->ipd_index[0][bin] = 0; + ps->opd_index[0][bin] = 0; + } + } + } + + /* update previous indices */ + for (bin = 0; bin < 34; bin++) { + ps->iid_index_prev[bin] = ps->iid_index[ps->num_env - 1][bin]; + } + for (bin = 0; bin < 34; bin++) { + ps->icc_index_prev[bin] = ps->icc_index[ps->num_env - 1][bin]; + } + for (bin = 0; bin < 17; bin++) { + ps->ipd_index_prev[bin] = ps->ipd_index[ps->num_env - 1][bin]; + ps->opd_index_prev[bin] = ps->opd_index[ps->num_env - 1][bin]; + } + + ps->ps_data_available = 0; + + if (ps->frame_class == 0) { + ps->border_position[0] = 0; + for (env = 1; env < ps->num_env; env++) { + ps->border_position[env] = (env * ps->numTimeSlotsRate) / ps->num_env; + } + ps->border_position[ps->num_env] = ps->numTimeSlotsRate; + } else { + ps->border_position[0] = 0; + + if (ps->border_position[ps->num_env] < ps->numTimeSlotsRate) { + for (bin = 0; bin < 34; bin++) { + ps->iid_index[ps->num_env][bin] = ps->iid_index[ps->num_env - 1][bin]; + ps->icc_index[ps->num_env][bin] = ps->icc_index[ps->num_env - 1][bin]; + } + for (bin = 0; bin < 17; bin++) { + ps->ipd_index[ps->num_env][bin] = ps->ipd_index[ps->num_env - 1][bin]; + ps->opd_index[ps->num_env][bin] = ps->opd_index[ps->num_env - 1][bin]; + } + ps->num_env++; + ps->border_position[ps->num_env] = ps->numTimeSlotsRate; + } + + for (env = 1; env < ps->num_env; env++) { + int8_t thr = ps->numTimeSlotsRate - (ps->num_env - env); + + if (ps->border_position[env] > thr) { + ps->border_position[env] = thr; + } else { + thr = ps->border_position[env - 1] + 1; + if (ps->border_position[env] < thr) { + ps->border_position[env] = thr; + } + } + } + } + + /* make sure that the indices of all parameters can be mapped + * to the same hybrid synthesis filterbank + */ +#ifdef PS_LOW_POWER + for (env = 0; env < ps->num_env; env++) { + if (ps->iid_mode == 2 || ps->iid_mode == 5) { + map34indexto20(ps->iid_index[env], 34); + } + if (ps->icc_mode == 2 || ps->icc_mode == 5) { + map34indexto20(ps->icc_index[env], 34); + } + + /* disable ipd/opd */ + for (bin = 0; bin < 17; bin++) { + ps->aaIpdIndex[env][bin] = 0; + ps->aaOpdIndex[env][bin] = 0; + } + } +#else + if (ps->use34hybrid_bands) { + for (env = 0; env < ps->num_env; env++) { + if (ps->iid_mode != 2 && ps->iid_mode != 5) { + map20indexto34(ps->iid_index[env], 34); + } + if (ps->icc_mode != 2 && ps->icc_mode != 5) { + map20indexto34(ps->icc_index[env], 34); + } + if (ps->ipd_mode != 2 && ps->ipd_mode != 5) { + map20indexto34(ps->ipd_index[env], 17); + map20indexto34(ps->opd_index[env], 17); + } + } + } +#endif + +#if 0 + for (env = 0; env < ps->num_env; env++) { + printf("iid[env:%d]:", env); + for (bin = 0; bin < 34; bin++) { + printf(" %d", ps->iid_index[env][bin]); + } + printf("\n"); + } + for (env = 0; env < ps->num_env; env++) { + printf("icc[env:%d]:", env); + for (bin = 0; bin < 34; bin++) { + printf(" %d", ps->icc_index[env][bin]); + } + printf("\n"); + } + for (env = 0; env < ps->num_env; env++) { + printf("ipd[env:%d]:", env); + for (bin = 0; bin < 17; bin++) { + printf(" %d", ps->ipd_index[env][bin]); + } + printf("\n"); + } + for (env = 0; env < ps->num_env; env++) { + printf("opd[env:%d]:", env); + for (bin = 0; bin < 17; bin++) { + printf(" %d", ps->opd_index[env][bin]); + } + printf("\n"); + } + printf("\n"); +#endif +} + +/* decorrelate the mono signal using an allpass filter */ +static void ps_decorrelate(ps_info *ps, qmf_t X_left[38][64], qmf_t X_right[38][64], + qmf_t X_hybrid_left[32][32], qmf_t X_hybrid_right[32][32]) +{ + uint8_t gr, n, m, bk; + uint8_t temp_delay; + uint8_t sb, maxsb; + const complex_t *Phi_Fract_SubQmf; + uint8_t temp_delay_ser[NO_ALLPASS_LINKS]; + real_t P_SmoothPeakDecayDiffNrg, nrg; + real_t P[32][34]; + real_t G_TransientRatio[32][34] = {{0}}; + complex_t inputLeft; + + + /* chose hybrid filterbank: 20 or 34 band case */ + if (ps->use34hybrid_bands) { + Phi_Fract_SubQmf = Phi_Fract_SubQmf34; + } else { + Phi_Fract_SubQmf = Phi_Fract_SubQmf20; + } + + /* clear the energy values */ + for (n = 0; n < 32; n++) { + for (bk = 0; bk < 34; bk++) { + P[n][bk] = 0; + } + } + + /* calculate the energy in each parameter band b(k) */ + for (gr = 0; gr < ps->num_groups; gr++) { + /* select the parameter index b(k) to which this group belongs */ + bk = (~NEGATE_IPD_MASK) & ps->map_group2bk[gr]; + + /* select the upper subband border for this group */ + maxsb = (gr < ps->num_hybrid_groups) ? ps->group_border[gr] + 1 : ps->group_border[gr + 1]; + + for (sb = ps->group_border[gr]; sb < maxsb; sb++) { + for (n = ps->border_position[0]; n < ps->border_position[ps->num_env]; n++) { +#ifdef FIXED_POINT + uint32_t in_re, in_im; +#endif + + /* input from hybrid subbands or QMF subbands */ + if (gr < ps->num_hybrid_groups) { + RE(inputLeft) = QMF_RE(X_hybrid_left[n][sb]); + IM(inputLeft) = QMF_IM(X_hybrid_left[n][sb]); + } else { + RE(inputLeft) = QMF_RE(X_left[n][sb]); + IM(inputLeft) = QMF_IM(X_left[n][sb]); + } + + /* accumulate energy */ +#ifdef FIXED_POINT + /* NOTE: all input is scaled by 2^(-5) because of fixed point QMF + * meaning that P will be scaled by 2^(-10) compared to floating point version + */ + in_re = ((abs(RE(inputLeft)) + (1 << (REAL_BITS - 1))) >> REAL_BITS); + in_im = ((abs(IM(inputLeft)) + (1 << (REAL_BITS - 1))) >> REAL_BITS); + P[n][bk] += in_re * in_re + in_im * in_im; +#else + P[n][bk] += MUL_R(RE(inputLeft), RE(inputLeft)) + MUL_R(IM(inputLeft), IM(inputLeft)); +#endif + } + } + } + +#if 0 + for (n = 0; n < 32; n++) { + for (bk = 0; bk < 34; bk++) { +#ifdef FIXED_POINT + printf("%d %d: %d\n", n, bk, P[n][bk] /*/(float)REAL_PRECISION*/); +#else + printf("%d %d: %f\n", n, bk, P[n][bk] / 1024.0); +#endif + } + } +#endif + + /* calculate transient reduction ratio for each parameter band b(k) */ + for (bk = 0; bk < ps->nr_par_bands; bk++) { + for (n = ps->border_position[0]; n < ps->border_position[ps->num_env]; n++) { + const real_t gamma = COEF_CONST(1.5); + + ps->P_PeakDecayNrg[bk] = MUL_F(ps->P_PeakDecayNrg[bk], ps->alpha_decay); + if (ps->P_PeakDecayNrg[bk] < P[n][bk]) { + ps->P_PeakDecayNrg[bk] = P[n][bk]; + } + + /* apply smoothing filter to peak decay energy */ + P_SmoothPeakDecayDiffNrg = ps->P_SmoothPeakDecayDiffNrg_prev[bk]; + P_SmoothPeakDecayDiffNrg += MUL_F((ps->P_PeakDecayNrg[bk] - P[n][bk] - ps->P_SmoothPeakDecayDiffNrg_prev[bk]), ps->alpha_smooth); + ps->P_SmoothPeakDecayDiffNrg_prev[bk] = P_SmoothPeakDecayDiffNrg; + + /* apply smoothing filter to energy */ + nrg = ps->P_prev[bk]; + nrg += MUL_F((P[n][bk] - ps->P_prev[bk]), ps->alpha_smooth); + ps->P_prev[bk] = nrg; + + /* calculate transient ratio */ + if (MUL_C(P_SmoothPeakDecayDiffNrg, gamma) <= nrg) { + G_TransientRatio[n][bk] = REAL_CONST(1.0); + } else { + G_TransientRatio[n][bk] = DIV_R(nrg, (MUL_C(P_SmoothPeakDecayDiffNrg, gamma))); + } + } + } + +#if 0 + for (n = 0; n < 32; n++) { + for (bk = 0; bk < 34; bk++) { +#ifdef FIXED_POINT + printf("%d %d: %f\n", n, bk, G_TransientRatio[n][bk] / (float)REAL_PRECISION); +#else + printf("%d %d: %f\n", n, bk, G_TransientRatio[n][bk]); +#endif + } + } +#endif + + /* apply stereo decorrelation filter to the signal */ + for (gr = 0; gr < ps->num_groups; gr++) { + if (gr < ps->num_hybrid_groups) { + maxsb = ps->group_border[gr] + 1; + } else { + maxsb = ps->group_border[gr + 1]; + } + + /* QMF channel */ + for (sb = ps->group_border[gr]; sb < maxsb; sb++) { + real_t g_DecaySlope; + real_t g_DecaySlope_filt[NO_ALLPASS_LINKS]; + + /* g_DecaySlope: [0..1] */ + if (gr < ps->num_hybrid_groups || sb <= ps->decay_cutoff) { + g_DecaySlope = FRAC_CONST(1.0); + } else { + int8_t decay = ps->decay_cutoff - sb; + if (decay <= -20 /* -1/DECAY_SLOPE */) { + g_DecaySlope = 0; + } else { + /* decay(int)*decay_slope(frac) = g_DecaySlope(frac) */ + g_DecaySlope = FRAC_CONST(1.0) + DECAY_SLOPE * decay; + } + } + + /* calculate g_DecaySlope_filt for every m multiplied by filter_a[m] */ + for (m = 0; m < NO_ALLPASS_LINKS; m++) { + g_DecaySlope_filt[m] = MUL_F(g_DecaySlope, filter_a[m]); + } + + + /* set delay indices */ + temp_delay = ps->saved_delay; + for (n = 0; n < NO_ALLPASS_LINKS; n++) { + temp_delay_ser[n] = ps->delay_buf_index_ser[n]; + } + + for (n = ps->border_position[0]; n < ps->border_position[ps->num_env]; n++) { + complex_t tmp, tmp0, R0; + + if (gr < ps->num_hybrid_groups) { + /* hybrid filterbank input */ + RE(inputLeft) = QMF_RE(X_hybrid_left[n][sb]); + IM(inputLeft) = QMF_IM(X_hybrid_left[n][sb]); + } else { + /* QMF filterbank input */ + RE(inputLeft) = QMF_RE(X_left[n][sb]); + IM(inputLeft) = QMF_IM(X_left[n][sb]); + } + + if (sb > ps->nr_allpass_bands && gr >= ps->num_hybrid_groups) { + /* delay */ + + /* never hybrid subbands here, always QMF subbands */ + RE(tmp) = RE(ps->delay_Qmf[ps->delay_buf_index_delay[sb]][sb]); + IM(tmp) = IM(ps->delay_Qmf[ps->delay_buf_index_delay[sb]][sb]); + RE(R0) = RE(tmp); + IM(R0) = IM(tmp); + RE(ps->delay_Qmf[ps->delay_buf_index_delay[sb]][sb]) = RE(inputLeft); + IM(ps->delay_Qmf[ps->delay_buf_index_delay[sb]][sb]) = IM(inputLeft); + } else { + /* allpass filter */ + uint8_t m; + complex_t Phi_Fract; + + /* fetch parameters */ + if (gr < ps->num_hybrid_groups) { + /* select data from the hybrid subbands */ + RE(tmp0) = RE(ps->delay_SubQmf[temp_delay][sb]); + IM(tmp0) = IM(ps->delay_SubQmf[temp_delay][sb]); + + RE(ps->delay_SubQmf[temp_delay][sb]) = RE(inputLeft); + IM(ps->delay_SubQmf[temp_delay][sb]) = IM(inputLeft); + + RE(Phi_Fract) = RE(Phi_Fract_SubQmf[sb]); + IM(Phi_Fract) = IM(Phi_Fract_SubQmf[sb]); + } else { + /* select data from the QMF subbands */ + RE(tmp0) = RE(ps->delay_Qmf[temp_delay][sb]); + IM(tmp0) = IM(ps->delay_Qmf[temp_delay][sb]); + + RE(ps->delay_Qmf[temp_delay][sb]) = RE(inputLeft); + IM(ps->delay_Qmf[temp_delay][sb]) = IM(inputLeft); + + RE(Phi_Fract) = RE(Phi_Fract_Qmf[sb]); + IM(Phi_Fract) = IM(Phi_Fract_Qmf[sb]); + } + + /* z^(-2) * Phi_Fract[k] */ + ComplexMult(&RE(tmp), &IM(tmp), RE(tmp0), IM(tmp0), RE(Phi_Fract), IM(Phi_Fract)); + + RE(R0) = RE(tmp); + IM(R0) = IM(tmp); + for (m = 0; m < NO_ALLPASS_LINKS; m++) { + complex_t Q_Fract_allpass, tmp2; + + /* fetch parameters */ + if (gr < ps->num_hybrid_groups) { + /* select data from the hybrid subbands */ + RE(tmp0) = RE(ps->delay_SubQmf_ser[m][temp_delay_ser[m]][sb]); + IM(tmp0) = IM(ps->delay_SubQmf_ser[m][temp_delay_ser[m]][sb]); + + if (ps->use34hybrid_bands) { + RE(Q_Fract_allpass) = RE(Q_Fract_allpass_SubQmf34[sb][m]); + IM(Q_Fract_allpass) = IM(Q_Fract_allpass_SubQmf34[sb][m]); + } else { + RE(Q_Fract_allpass) = RE(Q_Fract_allpass_SubQmf20[sb][m]); + IM(Q_Fract_allpass) = IM(Q_Fract_allpass_SubQmf20[sb][m]); + } + } else { + /* select data from the QMF subbands */ + RE(tmp0) = RE(ps->delay_Qmf_ser[m][temp_delay_ser[m]][sb]); + IM(tmp0) = IM(ps->delay_Qmf_ser[m][temp_delay_ser[m]][sb]); + + RE(Q_Fract_allpass) = RE(Q_Fract_allpass_Qmf[sb][m]); + IM(Q_Fract_allpass) = IM(Q_Fract_allpass_Qmf[sb][m]); + } + + /* delay by a fraction */ + /* z^(-d(m)) * Q_Fract_allpass[k,m] */ + ComplexMult(&RE(tmp), &IM(tmp), RE(tmp0), IM(tmp0), RE(Q_Fract_allpass), IM(Q_Fract_allpass)); + + /* -a(m) * g_DecaySlope[k] */ + RE(tmp) += -MUL_F(g_DecaySlope_filt[m], RE(R0)); + IM(tmp) += -MUL_F(g_DecaySlope_filt[m], IM(R0)); + + /* -a(m) * g_DecaySlope[k] * Q_Fract_allpass[k,m] * z^(-d(m)) */ + RE(tmp2) = RE(R0) + MUL_F(g_DecaySlope_filt[m], RE(tmp)); + IM(tmp2) = IM(R0) + MUL_F(g_DecaySlope_filt[m], IM(tmp)); + + /* store sample */ + if (gr < ps->num_hybrid_groups) { + RE(ps->delay_SubQmf_ser[m][temp_delay_ser[m]][sb]) = RE(tmp2); + IM(ps->delay_SubQmf_ser[m][temp_delay_ser[m]][sb]) = IM(tmp2); + } else { + RE(ps->delay_Qmf_ser[m][temp_delay_ser[m]][sb]) = RE(tmp2); + IM(ps->delay_Qmf_ser[m][temp_delay_ser[m]][sb]) = IM(tmp2); + } + + /* store for next iteration (or as output value if last iteration) */ + RE(R0) = RE(tmp); + IM(R0) = IM(tmp); + } + } + + /* select b(k) for reading the transient ratio */ + bk = (~NEGATE_IPD_MASK) & ps->map_group2bk[gr]; + + /* duck if a past transient is found */ + RE(R0) = MUL_R(G_TransientRatio[n][bk], RE(R0)); + IM(R0) = MUL_R(G_TransientRatio[n][bk], IM(R0)); + + if (gr < ps->num_hybrid_groups) { + /* hybrid */ + QMF_RE(X_hybrid_right[n][sb]) = RE(R0); + QMF_IM(X_hybrid_right[n][sb]) = IM(R0); + } else { + /* QMF */ + QMF_RE(X_right[n][sb]) = RE(R0); + QMF_IM(X_right[n][sb]) = IM(R0); + } + + /* Update delay buffer index */ + if (++temp_delay >= 2) { + temp_delay = 0; + } + + /* update delay indices */ + if (sb > ps->nr_allpass_bands && gr >= ps->num_hybrid_groups) { + /* delay_D depends on the samplerate, it can hold the values 14 and 1 */ + if (++ps->delay_buf_index_delay[sb] >= ps->delay_D[sb]) { + ps->delay_buf_index_delay[sb] = 0; + } + } + + for (m = 0; m < NO_ALLPASS_LINKS; m++) { + if (++temp_delay_ser[m] >= ps->num_sample_delay_ser[m]) { + temp_delay_ser[m] = 0; + } + } + } + } + } + + /* update delay indices */ + ps->saved_delay = temp_delay; + for (m = 0; m < NO_ALLPASS_LINKS; m++) { + ps->delay_buf_index_ser[m] = temp_delay_ser[m]; + } +} + +#ifdef FIXED_POINT +#define step(shift) \ + if ((0x40000000l >> shift) + root <= value) \ + { \ + value -= (0x40000000l >> shift) + root; \ + root = (root >> 1) | (0x40000000l >> shift); \ + } else { \ + root = root >> 1; \ + } + +/* fixed point square root approximation */ +static real_t ps_sqrt(real_t value) +{ + real_t root = 0; + + step(0); + step(2); + step(4); + step(6); + step(8); + step(10); + step(12); + step(14); + step(16); + step(18); + step(20); + step(22); + step(24); + step(26); + step(28); + step(30); + + if (root < value) { + ++root; + } + + root <<= (REAL_BITS / 2); + + return root; +} +#else +#define ps_sqrt(A) sqrt(A) +#endif + +static const real_t ipdopd_cos_tab[] = { + FRAC_CONST(1.000000000000000), + FRAC_CONST(0.707106781186548), + FRAC_CONST(0.000000000000000), + FRAC_CONST(-0.707106781186547), + FRAC_CONST(-1.000000000000000), + FRAC_CONST(-0.707106781186548), + FRAC_CONST(-0.000000000000000), + FRAC_CONST(0.707106781186547), + FRAC_CONST(1.000000000000000) +}; + +static const real_t ipdopd_sin_tab[] = { + FRAC_CONST(0.000000000000000), + FRAC_CONST(0.707106781186547), + FRAC_CONST(1.000000000000000), + FRAC_CONST(0.707106781186548), + FRAC_CONST(0.000000000000000), + FRAC_CONST(-0.707106781186547), + FRAC_CONST(-1.000000000000000), + FRAC_CONST(-0.707106781186548), + FRAC_CONST(-0.000000000000000) +}; + +static real_t magnitude_c(complex_t c) +{ +#ifdef FIXED_POINT +#define ps_abs(A) (((A) > 0) ? (A) : (-(A))) +#define ALPHA FRAC_CONST(0.948059448969) +#define BETA FRAC_CONST(0.392699081699) + + real_t abs_inphase = ps_abs(RE(c)); + real_t abs_quadrature = ps_abs(IM(c)); + + if (abs_inphase > abs_quadrature) { + return MUL_F(abs_inphase, ALPHA) + MUL_F(abs_quadrature, BETA); + } else { + return MUL_F(abs_quadrature, ALPHA) + MUL_F(abs_inphase, BETA); + } +#else + return sqrt(RE(c) * RE(c) + IM(c) * IM(c)); +#endif +} + +static void ps_mix_phase(ps_info *ps, qmf_t X_left[38][64], qmf_t X_right[38][64], + qmf_t X_hybrid_left[32][32], qmf_t X_hybrid_right[32][32]) +{ + uint8_t n; + uint8_t gr; + uint8_t bk = 0; + uint8_t sb, maxsb; + uint8_t env; + uint8_t nr_ipdopd_par; + complex_t h11, h12, h21, h22; + complex_t H11, H12, H21, H22; + complex_t deltaH11, deltaH12, deltaH21, deltaH22; + complex_t tempLeft; + complex_t tempRight; + complex_t phaseLeft; + complex_t phaseRight; + real_t L; + const real_t *sf_iid; + uint8_t no_iid_steps; + + if (ps->iid_mode >= 3) { + no_iid_steps = 15; + sf_iid = sf_iid_fine; + } else { + no_iid_steps = 7; + sf_iid = sf_iid_normal; + } + + if (ps->ipd_mode == 0 || ps->ipd_mode == 3) { + nr_ipdopd_par = 11; /* resolution */ + } else { + nr_ipdopd_par = ps->nr_ipdopd_par; + } + + for (gr = 0; gr < ps->num_groups; gr++) { + bk = (~NEGATE_IPD_MASK) & ps->map_group2bk[gr]; + + /* use one channel per group in the subqmf domain */ + maxsb = (gr < ps->num_hybrid_groups) ? ps->group_border[gr] + 1 : ps->group_border[gr + 1]; + + for (env = 0; env < ps->num_env; env++) { + if (ps->icc_mode < 3) { + /* type 'A' mixing as described in 8.6.4.6.2.1 */ + real_t c_1, c_2; + real_t cosa, sina; + real_t cosb, sinb; + real_t ab1, ab2; + real_t ab3, ab4; + + /* + c_1 = sqrt(2.0 / (1.0 + pow(10.0, quant_iid[no_iid_steps + iid_index] / 10.0))); + c_2 = sqrt(2.0 / (1.0 + pow(10.0, quant_iid[no_iid_steps - iid_index] / 10.0))); + alpha = 0.5 * acos(quant_rho[icc_index]); + beta = alpha * ( c_1 - c_2 ) / sqrt(2.0); + */ + + //printf("%d\n", ps->iid_index[env][bk]); + + /* calculate the scalefactors c_1 and c_2 from the intensity differences */ + c_1 = sf_iid[no_iid_steps + ps->iid_index[env][bk]]; + c_2 = sf_iid[no_iid_steps - ps->iid_index[env][bk]]; + + /* calculate alpha and beta using the ICC parameters */ + cosa = cos_alphas[ps->icc_index[env][bk]]; + sina = sin_alphas[ps->icc_index[env][bk]]; + + if (ps->iid_mode >= 3) { + if (ps->iid_index[env][bk] < 0) { + cosb = cos_betas_fine[-ps->iid_index[env][bk]][ps->icc_index[env][bk]]; + sinb = -sin_betas_fine[-ps->iid_index[env][bk]][ps->icc_index[env][bk]]; + } else { + cosb = cos_betas_fine[ps->iid_index[env][bk]][ps->icc_index[env][bk]]; + sinb = sin_betas_fine[ps->iid_index[env][bk]][ps->icc_index[env][bk]]; + } + } else { + if (ps->iid_index[env][bk] < 0) { + cosb = cos_betas_normal[-ps->iid_index[env][bk]][ps->icc_index[env][bk]]; + sinb = -sin_betas_normal[-ps->iid_index[env][bk]][ps->icc_index[env][bk]]; + } else { + cosb = cos_betas_normal[ps->iid_index[env][bk]][ps->icc_index[env][bk]]; + sinb = sin_betas_normal[ps->iid_index[env][bk]][ps->icc_index[env][bk]]; + } + } + + ab1 = MUL_C(cosb, cosa); + ab2 = MUL_C(sinb, sina); + ab3 = MUL_C(sinb, cosa); + ab4 = MUL_C(cosb, sina); + + /* h_xy: COEF */ + RE(h11) = MUL_C(c_2, (ab1 - ab2)); + RE(h12) = MUL_C(c_1, (ab1 + ab2)); + RE(h21) = MUL_C(c_2, (ab3 + ab4)); + RE(h22) = MUL_C(c_1, (ab3 - ab4)); + } else { + /* type 'B' mixing as described in 8.6.4.6.2.2 */ + real_t sina, cosa; + real_t cosg, sing; + + /* + real_t c, rho, mu, alpha, gamma; + uint8_t i; + + i = ps->iid_index[env][bk]; + c = (real_t)pow(10.0, ((i)?(((i>0)?1:-1)*quant_iid[((i>0)?i:-i)-1]):0.)/20.0); + rho = quant_rho[ps->icc_index[env][bk]]; + + if (rho == 0.0f && c == 1.) + { + alpha = (real_t)M_PI/4.0f; + rho = 0.05f; + } else { + if (rho <= 0.05f) + { + rho = 0.05f; + } + alpha = 0.5f*(real_t)atan( (2.0f*c*rho) / (c*c-1.0f) ); + + if (alpha < 0.) + { + alpha += (real_t)M_PI/2.0f; + } + if (rho < 0.) + { + alpha += (real_t)M_PI; + } + } + mu = c+1.0f/c; + mu = 1+(4.0f*rho*rho-4.0f)/(mu*mu); + gamma = (real_t)atan(sqrt((1.0f-sqrt(mu))/(1.0f+sqrt(mu)))); + */ + + if (ps->iid_mode >= 3) { + uint8_t abs_iid = abs(ps->iid_index[env][bk]); + + cosa = sincos_alphas_B_fine[no_iid_steps + ps->iid_index[env][bk]][ps->icc_index[env][bk]]; + sina = sincos_alphas_B_fine[30 - (no_iid_steps + ps->iid_index[env][bk])][ps->icc_index[env][bk]]; + cosg = cos_gammas_fine[abs_iid][ps->icc_index[env][bk]]; + sing = sin_gammas_fine[abs_iid][ps->icc_index[env][bk]]; + } else { + uint8_t abs_iid = abs(ps->iid_index[env][bk]); + + cosa = sincos_alphas_B_normal[no_iid_steps + ps->iid_index[env][bk]][ps->icc_index[env][bk]]; + sina = sincos_alphas_B_normal[14 - (no_iid_steps + ps->iid_index[env][bk])][ps->icc_index[env][bk]]; + cosg = cos_gammas_normal[abs_iid][ps->icc_index[env][bk]]; + sing = sin_gammas_normal[abs_iid][ps->icc_index[env][bk]]; + } + + RE(h11) = MUL_C(COEF_SQRT2, MUL_C(cosa, cosg)); + RE(h12) = MUL_C(COEF_SQRT2, MUL_C(sina, cosg)); + RE(h21) = MUL_C(COEF_SQRT2, MUL_C(-cosa, sing)); + RE(h22) = MUL_C(COEF_SQRT2, MUL_C(sina, sing)); + } + + /* calculate phase rotation parameters H_xy */ + /* note that the imaginary part of these parameters are only calculated when + IPD and OPD are enabled + */ + if ((ps->enable_ipdopd) && (bk < nr_ipdopd_par)) { + int8_t i; + real_t xy, pq, xypq; + + /* ringbuffer index */ + i = ps->phase_hist; + + /* previous value */ +#ifdef FIXED_POINT + /* divide by 4, shift right 2 bits */ + RE(tempLeft) = RE(ps->ipd_prev[bk][i]) >> 2; + IM(tempLeft) = IM(ps->ipd_prev[bk][i]) >> 2; + RE(tempRight) = RE(ps->opd_prev[bk][i]) >> 2; + IM(tempRight) = IM(ps->opd_prev[bk][i]) >> 2; +#else + RE(tempLeft) = MUL_F(RE(ps->ipd_prev[bk][i]), FRAC_CONST(0.25)); + IM(tempLeft) = MUL_F(IM(ps->ipd_prev[bk][i]), FRAC_CONST(0.25)); + RE(tempRight) = MUL_F(RE(ps->opd_prev[bk][i]), FRAC_CONST(0.25)); + IM(tempRight) = MUL_F(IM(ps->opd_prev[bk][i]), FRAC_CONST(0.25)); +#endif + + /* save current value */ + RE(ps->ipd_prev[bk][i]) = ipdopd_cos_tab[abs(ps->ipd_index[env][bk])]; + IM(ps->ipd_prev[bk][i]) = ipdopd_sin_tab[abs(ps->ipd_index[env][bk])]; + RE(ps->opd_prev[bk][i]) = ipdopd_cos_tab[abs(ps->opd_index[env][bk])]; + IM(ps->opd_prev[bk][i]) = ipdopd_sin_tab[abs(ps->opd_index[env][bk])]; + + /* add current value */ + RE(tempLeft) += RE(ps->ipd_prev[bk][i]); + IM(tempLeft) += IM(ps->ipd_prev[bk][i]); + RE(tempRight) += RE(ps->opd_prev[bk][i]); + IM(tempRight) += IM(ps->opd_prev[bk][i]); + + /* ringbuffer index */ + if (i == 0) { + i = 2; + } + i--; + + /* get value before previous */ +#ifdef FIXED_POINT + /* dividing by 2, shift right 1 bit */ + RE(tempLeft) += (RE(ps->ipd_prev[bk][i]) >> 1); + IM(tempLeft) += (IM(ps->ipd_prev[bk][i]) >> 1); + RE(tempRight) += (RE(ps->opd_prev[bk][i]) >> 1); + IM(tempRight) += (IM(ps->opd_prev[bk][i]) >> 1); +#else + RE(tempLeft) += MUL_F(RE(ps->ipd_prev[bk][i]), FRAC_CONST(0.5)); + IM(tempLeft) += MUL_F(IM(ps->ipd_prev[bk][i]), FRAC_CONST(0.5)); + RE(tempRight) += MUL_F(RE(ps->opd_prev[bk][i]), FRAC_CONST(0.5)); + IM(tempRight) += MUL_F(IM(ps->opd_prev[bk][i]), FRAC_CONST(0.5)); +#endif + +#if 0 /* original code */ + ipd = (float)atan2(IM(tempLeft), RE(tempLeft)); + opd = (float)atan2(IM(tempRight), RE(tempRight)); + + /* phase rotation */ + RE(phaseLeft) = (float)cos(opd); + IM(phaseLeft) = (float)sin(opd); + opd -= ipd; + RE(phaseRight) = (float)cos(opd); + IM(phaseRight) = (float)sin(opd); +#else + + // x = IM(tempLeft) + // y = RE(tempLeft) + // p = IM(tempRight) + // q = RE(tempRight) + // cos(atan2(x,y)) = y/sqrt((x*x) + (y*y)) + // sin(atan2(x,y)) = x/sqrt((x*x) + (y*y)) + // cos(atan2(x,y)-atan2(p,q)) = (y*q + x*p) / ( sqrt((x*x) + (y*y)) * sqrt((p*p) + (q*q)) ); + // sin(atan2(x,y)-atan2(p,q)) = (x*q - y*p) / ( sqrt((x*x) + (y*y)) * sqrt((p*p) + (q*q)) ); + + xy = magnitude_c(tempRight); + pq = magnitude_c(tempLeft); + + if (xy != 0) { + RE(phaseLeft) = DIV_R(RE(tempRight), xy); + IM(phaseLeft) = DIV_R(IM(tempRight), xy); + } else { + RE(phaseLeft) = 0; + IM(phaseLeft) = 0; + } + + xypq = MUL_R(xy, pq); + + if (xypq != 0) { + real_t tmp1 = MUL_R(RE(tempRight), RE(tempLeft)) + MUL_R(IM(tempRight), IM(tempLeft)); + real_t tmp2 = MUL_R(IM(tempRight), RE(tempLeft)) - MUL_R(RE(tempRight), IM(tempLeft)); + + RE(phaseRight) = DIV_R(tmp1, xypq); + IM(phaseRight) = DIV_R(tmp2, xypq); + } else { + RE(phaseRight) = 0; + IM(phaseRight) = 0; + } + +#endif + + /* MUL_F(COEF, REAL) = COEF */ + IM(h11) = MUL_R(RE(h11), IM(phaseLeft)); + IM(h12) = MUL_R(RE(h12), IM(phaseRight)); + IM(h21) = MUL_R(RE(h21), IM(phaseLeft)); + IM(h22) = MUL_R(RE(h22), IM(phaseRight)); + + RE(h11) = MUL_R(RE(h11), RE(phaseLeft)); + RE(h12) = MUL_R(RE(h12), RE(phaseRight)); + RE(h21) = MUL_R(RE(h21), RE(phaseLeft)); + RE(h22) = MUL_R(RE(h22), RE(phaseRight)); + } + + /* length of the envelope n_e+1 - n_e (in time samples) */ + /* 0 < L <= 32: integer */ + L = (real_t)(ps->border_position[env + 1] - ps->border_position[env]); + + /* obtain final H_xy by means of linear interpolation */ + RE(deltaH11) = (RE(h11) - RE(ps->h11_prev[gr])) / L; + RE(deltaH12) = (RE(h12) - RE(ps->h12_prev[gr])) / L; + RE(deltaH21) = (RE(h21) - RE(ps->h21_prev[gr])) / L; + RE(deltaH22) = (RE(h22) - RE(ps->h22_prev[gr])) / L; + + RE(H11) = RE(ps->h11_prev[gr]); + RE(H12) = RE(ps->h12_prev[gr]); + RE(H21) = RE(ps->h21_prev[gr]); + RE(H22) = RE(ps->h22_prev[gr]); + + RE(ps->h11_prev[gr]) = RE(h11); + RE(ps->h12_prev[gr]) = RE(h12); + RE(ps->h21_prev[gr]) = RE(h21); + RE(ps->h22_prev[gr]) = RE(h22); + + /* only calculate imaginary part when needed */ + if ((ps->enable_ipdopd) && (bk < nr_ipdopd_par)) { + /* obtain final H_xy by means of linear interpolation */ + IM(deltaH11) = (IM(h11) - IM(ps->h11_prev[gr])) / L; + IM(deltaH12) = (IM(h12) - IM(ps->h12_prev[gr])) / L; + IM(deltaH21) = (IM(h21) - IM(ps->h21_prev[gr])) / L; + IM(deltaH22) = (IM(h22) - IM(ps->h22_prev[gr])) / L; + + IM(H11) = IM(ps->h11_prev[gr]); + IM(H12) = IM(ps->h12_prev[gr]); + IM(H21) = IM(ps->h21_prev[gr]); + IM(H22) = IM(ps->h22_prev[gr]); + + if ((NEGATE_IPD_MASK & ps->map_group2bk[gr]) != 0) { + IM(deltaH11) = -IM(deltaH11); + IM(deltaH12) = -IM(deltaH12); + IM(deltaH21) = -IM(deltaH21); + IM(deltaH22) = -IM(deltaH22); + + IM(H11) = -IM(H11); + IM(H12) = -IM(H12); + IM(H21) = -IM(H21); + IM(H22) = -IM(H22); + } + + IM(ps->h11_prev[gr]) = IM(h11); + IM(ps->h12_prev[gr]) = IM(h12); + IM(ps->h21_prev[gr]) = IM(h21); + IM(ps->h22_prev[gr]) = IM(h22); + } + + /* apply H_xy to the current envelope band of the decorrelated subband */ + for (n = ps->border_position[env]; n < ps->border_position[env + 1]; n++) { + /* addition finalises the interpolation over every n */ + RE(H11) += RE(deltaH11); + RE(H12) += RE(deltaH12); + RE(H21) += RE(deltaH21); + RE(H22) += RE(deltaH22); + if ((ps->enable_ipdopd) && (bk < nr_ipdopd_par)) { + IM(H11) += IM(deltaH11); + IM(H12) += IM(deltaH12); + IM(H21) += IM(deltaH21); + IM(H22) += IM(deltaH22); + } + + /* channel is an alias to the subband */ + for (sb = ps->group_border[gr]; sb < maxsb; sb++) { + complex_t inLeft, inRight; + + /* load decorrelated samples */ + if (gr < ps->num_hybrid_groups) { + RE(inLeft) = RE(X_hybrid_left[n][sb]); + IM(inLeft) = IM(X_hybrid_left[n][sb]); + RE(inRight) = RE(X_hybrid_right[n][sb]); + IM(inRight) = IM(X_hybrid_right[n][sb]); + } else { + RE(inLeft) = RE(X_left[n][sb]); + IM(inLeft) = IM(X_left[n][sb]); + RE(inRight) = RE(X_right[n][sb]); + IM(inRight) = IM(X_right[n][sb]); + } + + /* apply mixing */ + RE(tempLeft) = MUL_C(RE(H11), RE(inLeft)) + MUL_C(RE(H21), RE(inRight)); + IM(tempLeft) = MUL_C(RE(H11), IM(inLeft)) + MUL_C(RE(H21), IM(inRight)); + RE(tempRight) = MUL_C(RE(H12), RE(inLeft)) + MUL_C(RE(H22), RE(inRight)); + IM(tempRight) = MUL_C(RE(H12), IM(inLeft)) + MUL_C(RE(H22), IM(inRight)); + + /* only perform imaginary operations when needed */ + if ((ps->enable_ipdopd) && (bk < nr_ipdopd_par)) { + /* apply rotation */ + RE(tempLeft) -= MUL_C(IM(H11), IM(inLeft)) + MUL_C(IM(H21), IM(inRight)); + IM(tempLeft) += MUL_C(IM(H11), RE(inLeft)) + MUL_C(IM(H21), RE(inRight)); + RE(tempRight) -= MUL_C(IM(H12), IM(inLeft)) + MUL_C(IM(H22), IM(inRight)); + IM(tempRight) += MUL_C(IM(H12), RE(inLeft)) + MUL_C(IM(H22), RE(inRight)); + } + + /* store final samples */ + if (gr < ps->num_hybrid_groups) { + RE(X_hybrid_left[n][sb]) = RE(tempLeft); + IM(X_hybrid_left[n][sb]) = IM(tempLeft); + RE(X_hybrid_right[n][sb]) = RE(tempRight); + IM(X_hybrid_right[n][sb]) = IM(tempRight); + } else { + RE(X_left[n][sb]) = RE(tempLeft); + IM(X_left[n][sb]) = IM(tempLeft); + RE(X_right[n][sb]) = RE(tempRight); + IM(X_right[n][sb]) = IM(tempRight); + } + } + } + + /* shift phase smoother's circular buffer index */ + ps->phase_hist++; + if (ps->phase_hist == 2) { + ps->phase_hist = 0; + } + } + } +} + +void ps_free(ps_info *ps) +{ + /* free hybrid filterbank structures */ + hybrid_free(ps->hyb); + + faad_free(ps); +} + +ps_info *ps_init(uint8_t sr_index, uint8_t numTimeSlotsRate) +{ + uint8_t i; + uint8_t short_delay_band; + + ps_info *ps = (ps_info*)faad_malloc(sizeof(ps_info)); + memset(ps, 0, sizeof(ps_info)); + + ps->hyb = hybrid_init(numTimeSlotsRate); + ps->numTimeSlotsRate = numTimeSlotsRate; + + ps->ps_data_available = 0; + + /* delay stuff*/ + ps->saved_delay = 0; + + for (i = 0; i < 64; i++) { + ps->delay_buf_index_delay[i] = 0; + } + + for (i = 0; i < NO_ALLPASS_LINKS; i++) { + ps->delay_buf_index_ser[i] = 0; +#ifdef PARAM_32KHZ + if (sr_index <= 5) { /* >= 32 kHz*/ + ps->num_sample_delay_ser[i] = delay_length_d[1][i]; + } else { + ps->num_sample_delay_ser[i] = delay_length_d[0][i]; + } +#else + /* THESE ARE CONSTANTS NOW */ + ps->num_sample_delay_ser[i] = delay_length_d[i]; +#endif + } + +#ifdef PARAM_32KHZ + if (sr_index <= 5) { /* >= 32 kHz*/ + short_delay_band = 35; + ps->nr_allpass_bands = 22; + ps->alpha_decay = FRAC_CONST(0.76592833836465); + ps->alpha_smooth = FRAC_CONST(0.25); + } else { + short_delay_band = 64; + ps->nr_allpass_bands = 45; + ps->alpha_decay = FRAC_CONST(0.58664621951003); + ps->alpha_smooth = FRAC_CONST(0.6); + } +#else + /* THESE ARE CONSTANTS NOW */ + short_delay_band = 35; + ps->nr_allpass_bands = 22; + ps->alpha_decay = FRAC_CONST(0.76592833836465); + ps->alpha_smooth = FRAC_CONST(0.25); +#endif + + /* THESE ARE CONSTANT NOW IF PS IS INDEPENDANT OF SAMPLERATE */ + for (i = 0; i < short_delay_band; i++) { + ps->delay_D[i] = 14; + } + for (i = short_delay_band; i < 64; i++) { + ps->delay_D[i] = 1; + } + + /* mixing and phase */ + for (i = 0; i < 50; i++) { + RE(ps->h11_prev[i]) = 1; + IM(ps->h12_prev[i]) = 1; + RE(ps->h11_prev[i]) = 1; + IM(ps->h12_prev[i]) = 1; + } + + ps->phase_hist = 0; + + for (i = 0; i < 20; i++) { + RE(ps->ipd_prev[i][0]) = 0; + IM(ps->ipd_prev[i][0]) = 0; + RE(ps->ipd_prev[i][1]) = 0; + IM(ps->ipd_prev[i][1]) = 0; + RE(ps->opd_prev[i][0]) = 0; + IM(ps->opd_prev[i][0]) = 0; + RE(ps->opd_prev[i][1]) = 0; + IM(ps->opd_prev[i][1]) = 0; + } + + return ps; +} + +/* main Parametric Stereo decoding function */ +uint8_t ps_decode(ps_info *ps, qmf_t X_left[38][64], qmf_t X_right[38][64]) +{ + qmf_t X_hybrid_left[32][32] = {{0}}; + qmf_t X_hybrid_right[32][32] = {{0}}; + + /* delta decoding of the bitstream data */ + ps_data_decode(ps); + + /* set up some parameters depending on filterbank type */ + if (ps->use34hybrid_bands) { + ps->group_border = (uint8_t*)group_border34; + ps->map_group2bk = (uint16_t*)map_group2bk34; + ps->num_groups = 32 + 18; + ps->num_hybrid_groups = 32; + ps->nr_par_bands = 34; + ps->decay_cutoff = 5; + } else { + ps->group_border = (uint8_t*)group_border20; + ps->map_group2bk = (uint16_t*)map_group2bk20; + ps->num_groups = 10 + 12; + ps->num_hybrid_groups = 10; + ps->nr_par_bands = 20; + ps->decay_cutoff = 3; + } + + /* Perform further analysis on the lowest subbands to get a higher + * frequency resolution + */ + hybrid_analysis((hyb_info*)ps->hyb, X_left, X_hybrid_left, + ps->use34hybrid_bands, ps->numTimeSlotsRate); + + /* decorrelate mono signal */ + ps_decorrelate(ps, X_left, X_right, X_hybrid_left, X_hybrid_right); + + /* apply mixing and phase parameters */ + ps_mix_phase(ps, X_left, X_right, X_hybrid_left, X_hybrid_right); + + /* hybrid synthesis, to rebuild the SBR QMF matrices */ + hybrid_synthesis((hyb_info*)ps->hyb, X_left, X_hybrid_left, + ps->use34hybrid_bands, ps->numTimeSlotsRate); + + hybrid_synthesis((hyb_info*)ps->hyb, X_right, X_hybrid_right, + ps->use34hybrid_bands, ps->numTimeSlotsRate); + + return 0; +} + +#endif + diff --git a/audio_codec/libfaad/ps_dec.h b/audio_codec/libfaad/ps_dec.h new file mode 100644 index 0000000..9b112f3 --- a/dev/null +++ b/audio_codec/libfaad/ps_dec.h @@ -0,0 +1,151 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: ps_dec.h,v 1.13 2009/01/26 22:32:31 menno Exp $ +**/ + +#ifndef __PS_DEC_H__ +#define __PS_DEC_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "bits.h" + +#define EXTENSION_ID_PS 2 + +#define MAX_PS_ENVELOPES 5 +#define NO_ALLPASS_LINKS 3 + + typedef struct { + /* bitstream parameters */ + uint8_t enable_iid; + uint8_t enable_icc; + uint8_t enable_ext; + + uint8_t iid_mode; + uint8_t icc_mode; + uint8_t nr_iid_par; + uint8_t nr_ipdopd_par; + uint8_t nr_icc_par; + + uint8_t frame_class; + uint8_t num_env; + + uint8_t border_position[MAX_PS_ENVELOPES + 1]; + + uint8_t iid_dt[MAX_PS_ENVELOPES]; + uint8_t icc_dt[MAX_PS_ENVELOPES]; + + uint8_t enable_ipdopd; + uint8_t ipd_mode; + uint8_t ipd_dt[MAX_PS_ENVELOPES]; + uint8_t opd_dt[MAX_PS_ENVELOPES]; + + /* indices */ + int8_t iid_index_prev[34]; + int8_t icc_index_prev[34]; + int8_t ipd_index_prev[17]; + int8_t opd_index_prev[17]; + int8_t iid_index[MAX_PS_ENVELOPES][34]; + int8_t icc_index[MAX_PS_ENVELOPES][34]; + int8_t ipd_index[MAX_PS_ENVELOPES][17]; + int8_t opd_index[MAX_PS_ENVELOPES][17]; + + int8_t ipd_index_1[17]; + int8_t opd_index_1[17]; + int8_t ipd_index_2[17]; + int8_t opd_index_2[17]; + + /* ps data was correctly read */ + uint8_t ps_data_available; + + /* a header has been read */ + uint8_t header_read; + + /* hybrid filterbank parameters */ + void *hyb; + uint8_t use34hybrid_bands; + uint8_t numTimeSlotsRate; + + /**/ + uint8_t num_groups; + uint8_t num_hybrid_groups; + uint8_t nr_par_bands; + uint8_t nr_allpass_bands; + uint8_t decay_cutoff; + + uint8_t *group_border; + uint16_t *map_group2bk; + + /* filter delay handling */ + uint8_t saved_delay; + uint8_t delay_buf_index_ser[NO_ALLPASS_LINKS]; + uint8_t num_sample_delay_ser[NO_ALLPASS_LINKS]; + uint8_t delay_D[64]; + uint8_t delay_buf_index_delay[64]; + + complex_t delay_Qmf[14][64]; /* 14 samples delay max, 64 QMF channels */ + complex_t delay_SubQmf[2][32]; /* 2 samples delay max (SubQmf is always allpass filtered) */ + complex_t delay_Qmf_ser[NO_ALLPASS_LINKS][5][64]; /* 5 samples delay max (table 8.34), 64 QMF channels */ + complex_t delay_SubQmf_ser[NO_ALLPASS_LINKS][5][32]; /* 5 samples delay max (table 8.34) */ + + /* transients */ + real_t alpha_decay; + real_t alpha_smooth; + + real_t P_PeakDecayNrg[34]; + real_t P_prev[34]; + real_t P_SmoothPeakDecayDiffNrg_prev[34]; + + /* mixing and phase */ + complex_t h11_prev[50]; + complex_t h12_prev[50]; + complex_t h21_prev[50]; + complex_t h22_prev[50]; + uint8_t phase_hist; + complex_t ipd_prev[20][2]; + complex_t opd_prev[20][2]; + + } ps_info; + + /* ps_syntax.c */ + uint16_t ps_data(ps_info *ps, bitfile *ld, uint8_t *header); + + /* ps_dec.c */ + ps_info *ps_init(uint8_t sr_index, uint8_t numTimeSlotsRate); + void ps_free(ps_info *ps); + + uint8_t ps_decode(ps_info *ps, qmf_t X_left[38][64], qmf_t X_right[38][64]); + + +#ifdef __cplusplus +} +#endif +#endif + diff --git a/audio_codec/libfaad/ps_syntax.c b/audio_codec/libfaad/ps_syntax.c new file mode 100644 index 0000000..23ce7a9 --- a/dev/null +++ b/audio_codec/libfaad/ps_syntax.c @@ -0,0 +1,532 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: ps_syntax.c,v 1.11 2007/11/01 12:33:33 menno Exp $ +**/ + +#include "common.h" + +#ifdef PS_DEC + +#include "bits.h" +#include "ps_dec.h" + +/* type definitaions */ +typedef const int8_t (*ps_huff_tab)[2]; + +/* static data tables */ +static const uint8_t nr_iid_par_tab[] = { + 10, 20, 34, 10, 20, 34, 0, 0 +}; +static const uint8_t nr_ipdopd_par_tab[] = { + 5, 11, 17, 5, 11, 17, 0, 0 +}; +static const uint8_t nr_icc_par_tab[] = { + 10, 20, 34, 10, 20, 34, 0, 0 +}; +static const uint8_t num_env_tab[][4] = { + { 0, 1, 2, 4 }, + { 1, 2, 3, 4 } +}; + +/* binary lookup huffman tables */ +static const int8_t f_huff_iid_def[][2] = { + { /*0*/ -31, 1 }, /* index 0: 1 bits: x */ + { 2, 3 }, /* index 1: 2 bits: 1x */ + { /*1*/ -30, /*-1*/ -32 }, /* index 2: 3 bits: 10x */ + { 4, 5 }, /* index 3: 3 bits: 11x */ + { /*2*/ -29, /*-2*/ -33 }, /* index 4: 4 bits: 110x */ + { 6, 7 }, /* index 5: 4 bits: 111x */ + { /*3*/ -28, /*-3*/ -34 }, /* index 6: 5 bits: 1110x */ + { 8, 9 }, /* index 7: 5 bits: 1111x */ + { /*-4*/ -35, /*4*/ -27 }, /* index 8: 6 bits: 11110x */ + { /*5*/ -26, 10 }, /* index 9: 6 bits: 11111x */ + { /*-5*/ -36, 11 }, /* index 10: 7 bits: 111111x */ + { /*6*/ -25, 12 }, /* index 11: 8 bits: 1111111x */ + { /*-6*/ -37, 13 }, /* index 12: 9 bits: 11111111x */ + { /*-7*/ -38, 14 }, /* index 13: 10 bits: 111111111x */ + { /*7*/ -24, 15 }, /* index 14: 11 bits: 1111111111x */ + { 16, 17 }, /* index 15: 12 bits: 11111111111x */ + { /*8*/ -23, /*-8*/ -39 }, /* index 16: 13 bits: 111111111110x */ + { 18, 19 }, /* index 17: 13 bits: 111111111111x */ + { /*9*/ -22, /*10*/ -21 }, /* index 18: 14 bits: 1111111111110x */ + { 20, 21 }, /* index 19: 14 bits: 1111111111111x */ + { /*-9*/ -40, /*11*/ -20 }, /* index 20: 15 bits: 11111111111110x */ + { 22, 23 }, /* index 21: 15 bits: 11111111111111x */ + { /*-10*/ -41, 24 }, /* index 22: 16 bits: 111111111111110x */ + { 25, 26 }, /* index 23: 16 bits: 111111111111111x */ + { /*-11*/ -42, /*-14*/ -45 }, /* index 24: 17 bits: 1111111111111101x */ + { /*-13*/ -44, /*-12*/ -43 }, /* index 25: 17 bits: 1111111111111110x */ + { /*12*/ -19, 27 }, /* index 26: 17 bits: 1111111111111111x */ + { /*13*/ -18, /*14*/ -17 } /* index 27: 18 bits: 11111111111111111x */ +}; + +static const int8_t t_huff_iid_def[][2] = { + { /*0*/ -31, 1 }, /* index 0: 1 bits: x */ + { /*-1*/ -32, 2 }, /* index 1: 2 bits: 1x */ + { /*1*/ -30, 3 }, /* index 2: 3 bits: 11x */ + { /*-2*/ -33, 4 }, /* index 3: 4 bits: 111x */ + { /*2*/ -29, 5 }, /* index 4: 5 bits: 1111x */ + { /*-3*/ -34, 6 }, /* index 5: 6 bits: 11111x */ + { /*3*/ -28, 7 }, /* index 6: 7 bits: 111111x */ + { /*-4*/ -35, 8 }, /* index 7: 8 bits: 1111111x */ + { /*4*/ -27, 9 }, /* index 8: 9 bits: 11111111x */ + { /*-5*/ -36, 10 }, /* index 9: 10 bits: 111111111x */ + { /*5*/ -26, 11 }, /* index 10: 11 bits: 1111111111x */ + { /*-6*/ -37, 12 }, /* index 11: 12 bits: 11111111111x */ + { /*6*/ -25, 13 }, /* index 12: 13 bits: 111111111111x */ + { /*7*/ -24, 14 }, /* index 13: 14 bits: 1111111111111x */ + { /*-7*/ -38, 15 }, /* index 14: 15 bits: 11111111111111x */ + { 16, 17 }, /* index 15: 16 bits: 111111111111111x */ + { /*8*/ -23, /*-8*/ -39 }, /* index 16: 17 bits: 1111111111111110x */ + { 18, 19 }, /* index 17: 17 bits: 1111111111111111x */ + { 20, 21 }, /* index 18: 18 bits: 11111111111111110x */ + { 22, 23 }, /* index 19: 18 bits: 11111111111111111x */ + { /*9*/ -22, /*-14*/ -45 }, /* index 20: 19 bits: 111111111111111100x */ + { /*-13*/ -44, /*-12*/ -43 }, /* index 21: 19 bits: 111111111111111101x */ + { 24, 25 }, /* index 22: 19 bits: 111111111111111110x */ + { 26, 27 }, /* index 23: 19 bits: 111111111111111111x */ + { /*-11*/ -42, /*-10*/ -41 }, /* index 24: 20 bits: 1111111111111111100x */ + { /*-9*/ -40, /*10*/ -21 }, /* index 25: 20 bits: 1111111111111111101x */ + { /*11*/ -20, /*12*/ -19 }, /* index 26: 20 bits: 1111111111111111110x */ + { /*13*/ -18, /*14*/ -17 } /* index 27: 20 bits: 1111111111111111111x */ +}; + +static const int8_t f_huff_iid_fine[][2] = { + { 1, /*0*/ -31 }, /* index 0: 1 bits: x */ + { 2, 3 }, /* index 1: 2 bits: 0x */ + { 4, /*-1*/ -32 }, /* index 2: 3 bits: 00x */ + { /*1*/ -30, 5 }, /* index 3: 3 bits: 01x */ + { /*-2*/ -33, /*2*/ -29 }, /* index 4: 4 bits: 000x */ + { 6, 7 }, /* index 5: 4 bits: 011x */ + { /*-3*/ -34, /*3*/ -28 }, /* index 6: 5 bits: 0110x */ + { 8, 9 }, /* index 7: 5 bits: 0111x */ + { /*-4*/ -35, /*4*/ -27 }, /* index 8: 6 bits: 01110x */ + { 10, 11 }, /* index 9: 6 bits: 01111x */ + { /*-5*/ -36, /*5*/ -26 }, /* index 10: 7 bits: 011110x */ + { 12, 13 }, /* index 11: 7 bits: 011111x */ + { /*-6*/ -37, /*6*/ -25 }, /* index 12: 8 bits: 0111110x */ + { 14, 15 }, /* index 13: 8 bits: 0111111x */ + { /*7*/ -24, 16 }, /* index 14: 9 bits: 01111110x */ + { 17, 18 }, /* index 15: 9 bits: 01111111x */ + { 19, /*-8*/ -39 }, /* index 16: 10 bits: 011111101x */ + { /*8*/ -23, 20 }, /* index 17: 10 bits: 011111110x */ + { 21, /*-7*/ -38 }, /* index 18: 10 bits: 011111111x */ + { /*10*/ -21, 22 }, /* index 19: 11 bits: 0111111010x */ + { 23, /*-9*/ -40 }, /* index 20: 11 bits: 0111111101x */ + { /*9*/ -22, 24 }, /* index 21: 11 bits: 0111111110x */ + { /*-11*/ -42, /*11*/ -20 }, /* index 22: 12 bits: 01111110101x */ + { 25, 26 }, /* index 23: 12 bits: 01111111010x */ + { 27, /*-10*/ -41 }, /* index 24: 12 bits: 01111111101x */ + { 28, /*-12*/ -43 }, /* index 25: 13 bits: 011111110100x */ + { /*12*/ -19, 29 }, /* index 26: 13 bits: 011111110101x */ + { 30, 31 }, /* index 27: 13 bits: 011111111010x */ + { 32, /*-14*/ -45 }, /* index 28: 14 bits: 0111111101000x */ + { /*14*/ -17, 33 }, /* index 29: 14 bits: 0111111101011x */ + { 34, /*-13*/ -44 }, /* index 30: 14 bits: 0111111110100x */ + { /*13*/ -18, 35 }, /* index 31: 14 bits: 0111111110101x */ + { 36, 37 }, /* index 32: 15 bits: 01111111010000x */ + { 38, /*-15*/ -46 }, /* index 33: 15 bits: 01111111010111x */ + { /*15*/ -16, 39 }, /* index 34: 15 bits: 01111111101000x */ + { 40, 41 }, /* index 35: 15 bits: 01111111101011x */ + { 42, 43 }, /* index 36: 16 bits: 011111110100000x */ + { /*-17*/ -48, /*17*/ -14 }, /* index 37: 16 bits: 011111110100001x */ + { 44, 45 }, /* index 38: 16 bits: 011111110101110x */ + { 46, 47 }, /* index 39: 16 bits: 011111111010001x */ + { 48, 49 }, /* index 40: 16 bits: 011111111010110x */ + { /*-16*/ -47, /*16*/ -15 }, /* index 41: 16 bits: 011111111010111x */ + { /*-21*/ -52, /*21*/ -10 }, /* index 42: 17 bits: 0111111101000000x */ + { /*-19*/ -50, /*19*/ -12 }, /* index 43: 17 bits: 0111111101000001x */ + { /*-18*/ -49, /*18*/ -13 }, /* index 44: 17 bits: 0111111101011100x */ + { 50, 51 }, /* index 45: 17 bits: 0111111101011101x */ + { 52, 53 }, /* index 46: 17 bits: 0111111110100010x */ + { 54, 55 }, /* index 47: 17 bits: 0111111110100011x */ + { 56, 57 }, /* index 48: 17 bits: 0111111110101100x */ + { 58, 59 }, /* index 49: 17 bits: 0111111110101101x */ + { /*-26*/ -57, /*-25*/ -56 }, /* index 50: 18 bits: 01111111010111010x */ + { /*-28*/ -59, /*-27*/ -58 }, /* index 51: 18 bits: 01111111010111011x */ + { /*-22*/ -53, /*22*/ -9 }, /* index 52: 18 bits: 01111111101000100x */ + { /*-24*/ -55, /*-23*/ -54 }, /* index 53: 18 bits: 01111111101000101x */ + { /*25*/ -6, /*26*/ -5 }, /* index 54: 18 bits: 01111111101000110x */ + { /*23*/ -8, /*24*/ -7 }, /* index 55: 18 bits: 01111111101000111x */ + { /*29*/ -2, /*30*/ -1 }, /* index 56: 18 bits: 01111111101011000x */ + { /*27*/ -4, /*28*/ -3 }, /* index 57: 18 bits: 01111111101011001x */ + { /*-30*/ -61, /*-29*/ -60 }, /* index 58: 18 bits: 01111111101011010x */ + { /*-20*/ -51, /*20*/ -11 } /* index 59: 18 bits: 01111111101011011x */ +}; + +static const int8_t t_huff_iid_fine[][2] = { + { 1, /*0*/ -31 }, /* index 0: 1 bits: x */ + { /*1*/ -30, 2 }, /* index 1: 2 bits: 0x */ + { 3, /*-1*/ -32 }, /* index 2: 3 bits: 01x */ + { 4, 5 }, /* index 3: 4 bits: 010x */ + { 6, 7 }, /* index 4: 5 bits: 0100x */ + { /*-2*/ -33, /*2*/ -29 }, /* index 5: 5 bits: 0101x */ + { 8, /*-3*/ -34 }, /* index 6: 6 bits: 01000x */ + { /*3*/ -28, 9 }, /* index 7: 6 bits: 01001x */ + { /*-4*/ -35, /*4*/ -27 }, /* index 8: 7 bits: 010000x */ + { 10, 11 }, /* index 9: 7 bits: 010011x */ + { /*5*/ -26, 12 }, /* index 10: 8 bits: 0100110x */ + { 13, 14 }, /* index 11: 8 bits: 0100111x */ + { /*-6*/ -37, /*6*/ -25 }, /* index 12: 9 bits: 01001101x */ + { 15, 16 }, /* index 13: 9 bits: 01001110x */ + { 17, /*-5*/ -36 }, /* index 14: 9 bits: 01001111x */ + { 18, /*-7*/ -38 }, /* index 15: 10 bits: 010011100x */ + { /*7*/ -24, 19 }, /* index 16: 10 bits: 010011101x */ + { 20, 21 }, /* index 17: 10 bits: 010011110x */ + { /*9*/ -22, 22 }, /* index 18: 11 bits: 0100111000x */ + { 23, 24 }, /* index 19: 11 bits: 0100111011x */ + { /*-8*/ -39, /*8*/ -23 }, /* index 20: 11 bits: 0100111100x */ + { 25, 26 }, /* index 21: 11 bits: 0100111101x */ + { /*11*/ -20, 27 }, /* index 22: 12 bits: 01001110001x */ + { 28, 29 }, /* index 23: 12 bits: 01001110110x */ + { /*-10*/ -41, /*10*/ -21 }, /* index 24: 12 bits: 01001110111x */ + { 30, 31 }, /* index 25: 12 bits: 01001111010x */ + { 32, /*-9*/ -40 }, /* index 26: 12 bits: 01001111011x */ + { 33, /*-13*/ -44 }, /* index 27: 13 bits: 010011100011x */ + { /*13*/ -18, 34 }, /* index 28: 13 bits: 010011101100x */ + { 35, 36 }, /* index 29: 13 bits: 010011101101x */ + { 37, /*-12*/ -43 }, /* index 30: 13 bits: 010011110100x */ + { /*12*/ -19, 38 }, /* index 31: 13 bits: 010011110101x */ + { 39, /*-11*/ -42 }, /* index 32: 13 bits: 010011110110x */ + { 40, 41 }, /* index 33: 14 bits: 0100111000110x */ + { 42, 43 }, /* index 34: 14 bits: 0100111011001x */ + { 44, 45 }, /* index 35: 14 bits: 0100111011010x */ + { 46, /*-15*/ -46 }, /* index 36: 14 bits: 0100111011011x */ + { /*15*/ -16, 47 }, /* index 37: 14 bits: 0100111101000x */ + { /*-14*/ -45, /*14*/ -17 }, /* index 38: 14 bits: 0100111101011x */ + { 48, 49 }, /* index 39: 14 bits: 0100111101100x */ + { /*-21*/ -52, /*-20*/ -51 }, /* index 40: 15 bits: 01001110001100x */ + { /*18*/ -13, /*19*/ -12 }, /* index 41: 15 bits: 01001110001101x */ + { /*-19*/ -50, /*-18*/ -49 }, /* index 42: 15 bits: 01001110110010x */ + { 50, 51 }, /* index 43: 15 bits: 01001110110011x */ + { 52, 53 }, /* index 44: 15 bits: 01001110110100x */ + { 54, 55 }, /* index 45: 15 bits: 01001110110101x */ + { 56, /*-17*/ -48 }, /* index 46: 15 bits: 01001110110110x */ + { /*17*/ -14, 57 }, /* index 47: 15 bits: 01001111010001x */ + { 58, /*-16*/ -47 }, /* index 48: 15 bits: 01001111011000x */ + { /*16*/ -15, 59 }, /* index 49: 15 bits: 01001111011001x */ + { /*-26*/ -57, /*26*/ -5 }, /* index 50: 16 bits: 010011101100110x */ + { /*-28*/ -59, /*-27*/ -58 }, /* index 51: 16 bits: 010011101100111x */ + { /*29*/ -2, /*30*/ -1 }, /* index 52: 16 bits: 010011101101000x */ + { /*27*/ -4, /*28*/ -3 }, /* index 53: 16 bits: 010011101101001x */ + { /*-30*/ -61, /*-29*/ -60 }, /* index 54: 16 bits: 010011101101010x */ + { /*-25*/ -56, /*25*/ -6 }, /* index 55: 16 bits: 010011101101011x */ + { /*-24*/ -55, /*24*/ -7 }, /* index 56: 16 bits: 010011101101100x */ + { /*-23*/ -54, /*23*/ -8 }, /* index 57: 16 bits: 010011110100011x */ + { /*-22*/ -53, /*22*/ -9 }, /* index 58: 16 bits: 010011110110000x */ + { /*20*/ -11, /*21*/ -10 } /* index 59: 16 bits: 010011110110011x */ +}; + +static const int8_t f_huff_icc[][2] = { + { /*0*/ -31, 1 }, /* index 0: 1 bits: x */ + { /*1*/ -30, 2 }, /* index 1: 2 bits: 1x */ + { /*-1*/ -32, 3 }, /* index 2: 3 bits: 11x */ + { /*2*/ -29, 4 }, /* index 3: 4 bits: 111x */ + { /*-2*/ -33, 5 }, /* index 4: 5 bits: 1111x */ + { /*3*/ -28, 6 }, /* index 5: 6 bits: 11111x */ + { /*-3*/ -34, 7 }, /* index 6: 7 bits: 111111x */ + { /*4*/ -27, 8 }, /* index 7: 8 bits: 1111111x */ + { /*5*/ -26, 9 }, /* index 8: 9 bits: 11111111x */ + { /*-4*/ -35, 10 }, /* index 9: 10 bits: 111111111x */ + { /*6*/ -25, 11 }, /* index 10: 11 bits: 1111111111x */ + { /*-5*/ -36, 12 }, /* index 11: 12 bits: 11111111111x */ + { /*7*/ -24, 13 }, /* index 12: 13 bits: 111111111111x */ + { /*-6*/ -37, /*-7*/ -38 } /* index 13: 14 bits: 1111111111111x */ +}; + +static const int8_t t_huff_icc[][2] = { + { /*0*/ -31, 1 }, /* index 0: 1 bits: x */ + { /*1*/ -30, 2 }, /* index 1: 2 bits: 1x */ + { /*-1*/ -32, 3 }, /* index 2: 3 bits: 11x */ + { /*2*/ -29, 4 }, /* index 3: 4 bits: 111x */ + { /*-2*/ -33, 5 }, /* index 4: 5 bits: 1111x */ + { /*3*/ -28, 6 }, /* index 5: 6 bits: 11111x */ + { /*-3*/ -34, 7 }, /* index 6: 7 bits: 111111x */ + { /*4*/ -27, 8 }, /* index 7: 8 bits: 1111111x */ + { /*-4*/ -35, 9 }, /* index 8: 9 bits: 11111111x */ + { /*5*/ -26, 10 }, /* index 9: 10 bits: 111111111x */ + { /*-5*/ -36, 11 }, /* index 10: 11 bits: 1111111111x */ + { /*6*/ -25, 12 }, /* index 11: 12 bits: 11111111111x */ + { /*-6*/ -37, 13 }, /* index 12: 13 bits: 111111111111x */ + { /*-7*/ -38, /*7*/ -24 } /* index 13: 14 bits: 1111111111111x */ +}; + +static const int8_t f_huff_ipd[][2] = { + { 1, /*0*/ -31 }, /* index 0: 1 bits: x */ + { 2, 3 }, /* index 1: 2 bits: 0x */ + { /*1*/ -30, 4 }, /* index 2: 3 bits: 00x */ + { 5, 6 }, /* index 3: 3 bits: 01x */ + { /*4*/ -27, /*5*/ -26 }, /* index 4: 4 bits: 001x */ + { /*3*/ -28, /*6*/ -25 }, /* index 5: 4 bits: 010x */ + { /*2*/ -29, /*7*/ -24 } /* index 6: 4 bits: 011x */ +}; + +static const int8_t t_huff_ipd[][2] = { + { 1, /*0*/ -31 }, /* index 0: 1 bits: x */ + { 2, 3 }, /* index 1: 2 bits: 0x */ + { 4, 5 }, /* index 2: 3 bits: 00x */ + { /*1*/ -30, /*7*/ -24 }, /* index 3: 3 bits: 01x */ + { /*5*/ -26, 6 }, /* index 4: 4 bits: 000x */ + { /*2*/ -29, /*6*/ -25 }, /* index 5: 4 bits: 001x */ + { /*4*/ -27, /*3*/ -28 } /* index 6: 5 bits: 0001x */ +}; + +static const int8_t f_huff_opd[][2] = { + { 1, /*0*/ -31 }, /* index 0: 1 bits: x */ + { 2, 3 }, /* index 1: 2 bits: 0x */ + { /*7*/ -24, /*1*/ -30 }, /* index 2: 3 bits: 00x */ + { 4, 5 }, /* index 3: 3 bits: 01x */ + { /*3*/ -28, /*6*/ -25 }, /* index 4: 4 bits: 010x */ + { /*2*/ -29, 6 }, /* index 5: 4 bits: 011x */ + { /*5*/ -26, /*4*/ -27 } /* index 6: 5 bits: 0111x */ +}; + +static const int8_t t_huff_opd[][2] = { + { 1, /*0*/ -31 }, /* index 0: 1 bits: x */ + { 2, 3 }, /* index 1: 2 bits: 0x */ + { 4, 5 }, /* index 2: 3 bits: 00x */ + { /*1*/ -30, /*7*/ -24 }, /* index 3: 3 bits: 01x */ + { /*5*/ -26, /*2*/ -29 }, /* index 4: 4 bits: 000x */ + { /*6*/ -25, 6 }, /* index 5: 4 bits: 001x */ + { /*4*/ -27, /*3*/ -28 } /* index 6: 5 bits: 0011x */ +}; + +/* static function declarations */ +static uint16_t ps_extension(ps_info *ps, bitfile *ld, + const uint8_t ps_extension_id, + const uint16_t num_bits_left); +static void huff_data(bitfile *ld, const uint8_t dt, const uint8_t nr_par, + ps_huff_tab t_huff, ps_huff_tab f_huff, int8_t *par); +static INLINE int8_t ps_huff_dec(bitfile *ld, ps_huff_tab t_huff); + + +uint16_t ps_data(ps_info *ps, bitfile *ld, uint8_t *header) +{ + uint8_t tmp, n; + uint16_t bits = (uint16_t)faad_get_processed_bits(ld); + + *header = 0; + + /* check for new PS header */ + if (faad_get1bit(ld + DEBUGVAR(1, 1000, "ps_data(): enable_ps_header"))) { + *header = 1; + + ps->header_read = 1; + + ps->use34hybrid_bands = 0; + + /* Inter-channel Intensity Difference (IID) parameters enabled */ + ps->enable_iid = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 1001, "ps_data(): enable_iid")); + + if (ps->enable_iid) { + ps->iid_mode = (uint8_t)faad_getbits(ld, 3 + DEBUGVAR(1, 1002, "ps_data(): iid_mode")); + + ps->nr_iid_par = nr_iid_par_tab[ps->iid_mode]; + ps->nr_ipdopd_par = nr_ipdopd_par_tab[ps->iid_mode]; + + if (ps->iid_mode == 2 || ps->iid_mode == 5) { + ps->use34hybrid_bands = 1; + } + + /* IPD freq res equal to IID freq res */ + ps->ipd_mode = ps->iid_mode; + } + + /* Inter-channel Coherence (ICC) parameters enabled */ + ps->enable_icc = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 1003, "ps_data(): enable_icc")); + + if (ps->enable_icc) { + ps->icc_mode = (uint8_t)faad_getbits(ld, 3 + DEBUGVAR(1, 1004, "ps_data(): icc_mode")); + + ps->nr_icc_par = nr_icc_par_tab[ps->icc_mode]; + + if (ps->icc_mode == 2 || ps->icc_mode == 5) { + ps->use34hybrid_bands = 1; + } + } + + /* PS extension layer enabled */ + ps->enable_ext = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 1005, "ps_data(): enable_ext")); + } + + /* we are here, but no header has been read yet */ + if (ps->header_read == 0) { + ps->ps_data_available = 0; + return 1; + } + + ps->frame_class = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 1006, "ps_data(): frame_class")); + tmp = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 1007, "ps_data(): num_env_idx")); + + ps->num_env = num_env_tab[ps->frame_class][tmp]; + + if (ps->frame_class) { + for (n = 1; n < ps->num_env + 1; n++) { + ps->border_position[n] = (uint8_t)faad_getbits(ld, 5 + DEBUGVAR(1, 1008, "ps_data(): border_position")) + 1; + } + } + + if (ps->enable_iid) { + for (n = 0; n < ps->num_env; n++) { + ps->iid_dt[n] = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 1009, "ps_data(): iid_dt")); + + /* iid_data */ + if (ps->iid_mode < 3) { + huff_data(ld, ps->iid_dt[n], ps->nr_iid_par, t_huff_iid_def, + f_huff_iid_def, ps->iid_index[n]); + } else { + huff_data(ld, ps->iid_dt[n], ps->nr_iid_par, t_huff_iid_fine, + f_huff_iid_fine, ps->iid_index[n]); + } + } + } + + if (ps->enable_icc) { + for (n = 0; n < ps->num_env; n++) { + ps->icc_dt[n] = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 1010, "ps_data(): icc_dt")); + + /* icc_data */ + huff_data(ld, ps->icc_dt[n], ps->nr_icc_par, t_huff_icc, + f_huff_icc, ps->icc_index[n]); + } + } + + if (ps->enable_ext) { + uint16_t num_bits_left; + uint16_t cnt = (uint16_t)faad_getbits(ld, 4 + DEBUGVAR(1, 1011, "ps_data(): ps_extension_size")); + if (cnt == 15) { + cnt += (uint16_t)faad_getbits(ld, 8 + DEBUGVAR(1, 1012, "ps_data(): esc_count")); + } + + num_bits_left = 8 * cnt; + while (num_bits_left > 7) { + uint8_t ps_extension_id = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 1013, "ps_data(): ps_extension_size")); + + num_bits_left -= 2; + num_bits_left -= ps_extension(ps, ld, ps_extension_id, num_bits_left); + } + + faad_getbits(ld, num_bits_left + DEBUGVAR(1, 1014, "ps_data(): fill_bits")); + } + + bits = (uint16_t)faad_get_processed_bits(ld) - bits; + + ps->ps_data_available = 1; + + return bits; +} + +static uint16_t ps_extension(ps_info *ps, bitfile *ld, + const uint8_t ps_extension_id, + const uint16_t num_bits_left) +{ + uint8_t n; + uint16_t bits = (uint16_t)faad_get_processed_bits(ld); + + if (ps_extension_id == 0) { + ps->enable_ipdopd = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 1015, "ps_extension(): enable_ipdopd")); + + if (ps->enable_ipdopd) { + for (n = 0; n < ps->num_env; n++) { + ps->ipd_dt[n] = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 1016, "ps_extension(): ipd_dt")); + + /* ipd_data */ + huff_data(ld, ps->ipd_dt[n], ps->nr_ipdopd_par, t_huff_ipd, + f_huff_ipd, ps->ipd_index[n]); + + ps->opd_dt[n] = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 1017, "ps_extension(): opd_dt")); + + /* opd_data */ + huff_data(ld, ps->opd_dt[n], ps->nr_ipdopd_par, t_huff_opd, + f_huff_opd, ps->opd_index[n]); + } + } + faad_get1bit(ld + DEBUGVAR(1, 1018, "ps_extension(): reserved_ps")); + } + + /* return number of bits read */ + bits = (uint16_t)faad_get_processed_bits(ld) - bits; + + return bits; +} + +/* read huffman data coded in either the frequency or the time direction */ +static void huff_data(bitfile *ld, const uint8_t dt, const uint8_t nr_par, + ps_huff_tab t_huff, ps_huff_tab f_huff, int8_t *par) +{ + uint8_t n; + + if (dt) { + /* coded in time direction */ + for (n = 0; n < nr_par; n++) { + par[n] = ps_huff_dec(ld, t_huff); + } + } else { + /* coded in frequency direction */ + par[0] = ps_huff_dec(ld, f_huff); + + for (n = 1; n < nr_par; n++) { + par[n] = ps_huff_dec(ld, f_huff); + } + } +} + +/* binary search huffman decoding */ +static INLINE int8_t ps_huff_dec(bitfile *ld, ps_huff_tab t_huff) +{ + uint8_t bit; + int16_t index = 0; + + while (index >= 0) { + bit = (uint8_t)faad_get1bit(ld); + index = t_huff[index][bit]; + } + + return index + 31; +} + +#endif diff --git a/audio_codec/libfaad/ps_tables.h b/audio_codec/libfaad/ps_tables.h new file mode 100644 index 0000000..69326f7 --- a/dev/null +++ b/audio_codec/libfaad/ps_tables.h @@ -0,0 +1,547 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: ps_tables.h,v 1.8 2007/11/01 12:33:33 menno Exp $ +**/ + +#ifndef __PS_TABLES_H__ +#define __PS_TABLES_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef _MSC_VER +#pragma warning(disable:4305) +#pragma warning(disable:4244) +#endif + +#if 0 +#if 0 + float f_center_20[12] = { + 0.5 / 4, 1.5 / 4, 2.5 / 4, 3.5 / 4, + 4.5 / 4 * 0, 5.5 / 4 * 0, -1.5 / 4, -0.5 / 4, + 3.5 / 2, 2.5 / 2, 4.5 / 2, 5.5 / 2 + }; +#else + float f_center_20[12] = { + 0.5 / 8, 1.5 / 8, 2.5 / 8, 3.5 / 8, + 4.5 / 8 * 0, 5.5 / 8 * 0, -1.5 / 8, -0.5 / 8, + 3.5 / 4, 2.5 / 4, 4.5 / 4, 5.5 / 4 + }; +#endif + + float f_center_34[32] = { + 1 / 12, 3 / 12, 5 / 12, 7 / 12, + 9 / 12, 11 / 12, 13 / 12, 15 / 12, + 17 / 12, -5 / 12, -3 / 12, -1 / 12, + 17 / 8, 19 / 8, 5 / 8, 7 / 8, + 9 / 8, 11 / 8, 13 / 8, 15 / 8, + 9 / 4, 11 / 4, 13 / 4, 7 / 4, + 17 / 4, 11 / 4, 13 / 4, 15 / 4, + 17 / 4, 19 / 4, 21 / 4, 15 / 4 + }; + + static const real_t frac_delay_q[] = { + FRAC_CONST(0.43), + FRAC_CONST(0.75), + FRAC_CONST(0.347) + }; +#endif + + /* RE(ps->Phi_Fract_Qmf[j]) = (float)cos(M_PI*(j+0.5)*(0.39)); */ + /* IM(ps->Phi_Fract_Qmf[j]) = (float)sin(M_PI*(j+0.5)*(0.39)); */ + static const complex_t Phi_Fract_Qmf[] = { + { FRAC_CONST(0.8181497455), FRAC_CONST(0.5750052333) }, + { FRAC_CONST(-0.2638730407), FRAC_CONST(0.9645574093) }, + { FRAC_CONST(-0.9969173074), FRAC_CONST(0.0784590989) }, + { FRAC_CONST(-0.4115143716), FRAC_CONST(-0.9114032984) }, + { FRAC_CONST(0.7181262970), FRAC_CONST(-0.6959127784) }, + { FRAC_CONST(0.8980275989), FRAC_CONST(0.4399391711) }, + { FRAC_CONST(-0.1097343117), FRAC_CONST(0.9939609766) }, + { FRAC_CONST(-0.9723699093), FRAC_CONST(0.2334453613) }, + { FRAC_CONST(-0.5490227938), FRAC_CONST(-0.8358073831) }, + { FRAC_CONST(0.6004202366), FRAC_CONST(-0.7996846437) }, + { FRAC_CONST(0.9557930231), FRAC_CONST(0.2940403223) }, + { FRAC_CONST(0.0471064523), FRAC_CONST(0.9988898635) }, + { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, + { FRAC_CONST(-0.6730124950), FRAC_CONST(-0.7396311164) }, + { FRAC_CONST(0.4679298103), FRAC_CONST(-0.8837656379) }, + { FRAC_CONST(0.9900236726), FRAC_CONST(0.1409012377) }, + { FRAC_CONST(0.2027872950), FRAC_CONST(0.9792228341) }, + { FRAC_CONST(-0.8526401520), FRAC_CONST(0.5224985480) }, + { FRAC_CONST(-0.7804304361), FRAC_CONST(-0.6252426505) }, + { FRAC_CONST(0.3239174187), FRAC_CONST(-0.9460853338) }, + { FRAC_CONST(0.9998766184), FRAC_CONST(-0.0157073177) }, + { FRAC_CONST(0.3534748554), FRAC_CONST(0.9354440570) }, + { FRAC_CONST(-0.7604059577), FRAC_CONST(0.6494480371) }, + { FRAC_CONST(-0.8686315417), FRAC_CONST(-0.4954586625) }, + { FRAC_CONST(0.1719291061), FRAC_CONST(-0.9851093292) }, + { FRAC_CONST(0.9851093292), FRAC_CONST(-0.1719291061) }, + { FRAC_CONST(0.4954586625), FRAC_CONST(0.8686315417) }, + { FRAC_CONST(-0.6494480371), FRAC_CONST(0.7604059577) }, + { FRAC_CONST(-0.9354440570), FRAC_CONST(-0.3534748554) }, + { FRAC_CONST(0.0157073177), FRAC_CONST(-0.9998766184) }, + { FRAC_CONST(0.9460853338), FRAC_CONST(-0.3239174187) }, + { FRAC_CONST(0.6252426505), FRAC_CONST(0.7804304361) }, + { FRAC_CONST(-0.5224985480), FRAC_CONST(0.8526401520) }, + { FRAC_CONST(-0.9792228341), FRAC_CONST(-0.2027872950) }, + { FRAC_CONST(-0.1409012377), FRAC_CONST(-0.9900236726) }, + { FRAC_CONST(0.8837656379), FRAC_CONST(-0.4679298103) }, + { FRAC_CONST(0.7396311164), FRAC_CONST(0.6730124950) }, + { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, + { FRAC_CONST(-0.9988898635), FRAC_CONST(-0.0471064523) }, + { FRAC_CONST(-0.2940403223), FRAC_CONST(-0.9557930231) }, + { FRAC_CONST(0.7996846437), FRAC_CONST(-0.6004202366) }, + { FRAC_CONST(0.8358073831), FRAC_CONST(0.5490227938) }, + { FRAC_CONST(-0.2334453613), FRAC_CONST(0.9723699093) }, + { FRAC_CONST(-0.9939609766), FRAC_CONST(0.1097343117) }, + { FRAC_CONST(-0.4399391711), FRAC_CONST(-0.8980275989) }, + { FRAC_CONST(0.6959127784), FRAC_CONST(-0.7181262970) }, + { FRAC_CONST(0.9114032984), FRAC_CONST(0.4115143716) }, + { FRAC_CONST(-0.0784590989), FRAC_CONST(0.9969173074) }, + { FRAC_CONST(-0.9645574093), FRAC_CONST(0.2638730407) }, + { FRAC_CONST(-0.5750052333), FRAC_CONST(-0.8181497455) }, + { FRAC_CONST(0.5750052333), FRAC_CONST(-0.8181497455) }, + { FRAC_CONST(0.9645574093), FRAC_CONST(0.2638730407) }, + { FRAC_CONST(0.0784590989), FRAC_CONST(0.9969173074) }, + { FRAC_CONST(-0.9114032984), FRAC_CONST(0.4115143716) }, + { FRAC_CONST(-0.6959127784), FRAC_CONST(-0.7181262970) }, + { FRAC_CONST(0.4399391711), FRAC_CONST(-0.8980275989) }, + { FRAC_CONST(0.9939609766), FRAC_CONST(0.1097343117) }, + { FRAC_CONST(0.2334453613), FRAC_CONST(0.9723699093) }, + { FRAC_CONST(-0.8358073831), FRAC_CONST(0.5490227938) }, + { FRAC_CONST(-0.7996846437), FRAC_CONST(-0.6004202366) }, + { FRAC_CONST(0.2940403223), FRAC_CONST(-0.9557930231) }, + { FRAC_CONST(0.9988898635), FRAC_CONST(-0.0471064523) }, + { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, + { FRAC_CONST(-0.7396311164), FRAC_CONST(0.6730124950) } + }; + + /* RE(Phi_Fract_SubQmf20[j]) = (float)cos(M_PI*f_center_20[j]*0.39); */ + /* IM(Phi_Fract_SubQmf20[j]) = (float)sin(M_PI*f_center_20[j]*0.39); */ + static const complex_t Phi_Fract_SubQmf20[] = { + { FRAC_CONST(0.9882950187), FRAC_CONST(0.1525546312) }, + { FRAC_CONST(0.8962930441), FRAC_CONST(0.4434623122) }, + { FRAC_CONST(0.7208535671), FRAC_CONST(0.6930873394) }, + { FRAC_CONST(0.4783087075), FRAC_CONST(0.8781917691) }, + { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, + { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, + { FRAC_CONST(0.8962930441), FRAC_CONST(-0.4434623122) }, + { FRAC_CONST(0.9882950187), FRAC_CONST(-0.1525546312) }, + { FRAC_CONST(-0.5424415469), FRAC_CONST(0.8400935531) }, + { FRAC_CONST(0.0392598175), FRAC_CONST(0.9992290139) }, + { FRAC_CONST(-0.9268565774), FRAC_CONST(0.3754155636) }, + { FRAC_CONST(-0.9741733670), FRAC_CONST(-0.2258012742) } + }; + + /* RE(Phi_Fract_SubQmf34[j]) = (float)cos(M_PI*f_center_34[j]*0.39); */ + /* IM(Phi_Fract_SubQmf34[j]) = (float)sin(M_PI*f_center_34[j]*0.39); */ + static const complex_t Phi_Fract_SubQmf34[] = { + { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, + { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, + { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, + { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, + { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, + { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, + { FRAC_CONST(0.3387379348), FRAC_CONST(0.9408807755) }, + { FRAC_CONST(0.3387379348), FRAC_CONST(0.9408807755) }, + { FRAC_CONST(0.3387379348), FRAC_CONST(0.9408807755) }, + { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, + { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, + { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, + { FRAC_CONST(-0.7705132365), FRAC_CONST(0.6374239922) }, + { FRAC_CONST(-0.7705132365), FRAC_CONST(0.6374239922) }, + { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, + { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, + { FRAC_CONST(0.3387379348), FRAC_CONST(0.9408807755) }, + { FRAC_CONST(0.3387379348), FRAC_CONST(0.9408807755) }, + { FRAC_CONST(0.3387379348), FRAC_CONST(0.9408807755) }, + { FRAC_CONST(0.3387379348), FRAC_CONST(0.9408807755) }, + { FRAC_CONST(-0.7705132365), FRAC_CONST(0.6374239922) }, + { FRAC_CONST(-0.7705132365), FRAC_CONST(0.6374239922) }, + { FRAC_CONST(-0.8607420325), FRAC_CONST(-0.5090414286) }, + { FRAC_CONST(0.3387379348), FRAC_CONST(0.9408807755) }, + { FRAC_CONST(0.1873813123), FRAC_CONST(-0.9822872281) }, + { FRAC_CONST(-0.7705132365), FRAC_CONST(0.6374239922) }, + { FRAC_CONST(-0.8607420325), FRAC_CONST(-0.5090414286) }, + { FRAC_CONST(-0.8607420325), FRAC_CONST(-0.5090414286) }, + { FRAC_CONST(0.1873813123), FRAC_CONST(-0.9822872281) }, + { FRAC_CONST(0.1873813123), FRAC_CONST(-0.9822872281) }, + { FRAC_CONST(0.9876883626), FRAC_CONST(-0.1564344615) }, + { FRAC_CONST(-0.8607420325), FRAC_CONST(-0.5090414286) } + }; + + /* RE(Q_Fract_allpass_Qmf[j][i]) = (float)cos(M_PI*(j+0.5)*(frac_delay_q[i])); */ + /* IM(Q_Fract_allpass_Qmf[j][i]) = (float)sin(M_PI*(j+0.5)*(frac_delay_q[i])); */ + static const complex_t Q_Fract_allpass_Qmf[][3] = { + { { FRAC_CONST(0.7804303765), FRAC_CONST(0.6252426505) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.8550928831), FRAC_CONST(0.5184748173) } }, + { { FRAC_CONST(-0.4399392009), FRAC_CONST(0.8980275393) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.0643581524), FRAC_CONST(0.9979268909) } }, + { { FRAC_CONST(-0.9723699093), FRAC_CONST(-0.2334454209) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.9146071672), FRAC_CONST(0.4043435752) } }, + { { FRAC_CONST(0.0157073960), FRAC_CONST(-0.9998766184) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.7814115286), FRAC_CONST(-0.6240159869) } }, + { { FRAC_CONST(0.9792228341), FRAC_CONST(-0.2027871907) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.1920081824), FRAC_CONST(-0.9813933372) } }, + { { FRAC_CONST(0.4115142524), FRAC_CONST(0.9114032984) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.9589683414), FRAC_CONST(-0.2835132182) } }, + { { FRAC_CONST(-0.7996847630), FRAC_CONST(0.6004201174) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.6947838664), FRAC_CONST(0.7192186117) } }, + { { FRAC_CONST(-0.7604058385), FRAC_CONST(-0.6494481564) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.3164770305), FRAC_CONST(0.9486001730) } }, + { { FRAC_CONST(0.4679299891), FRAC_CONST(-0.8837655187) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.9874414206), FRAC_CONST(0.1579856575) } }, + { { FRAC_CONST(0.9645573497), FRAC_CONST(0.2638732493) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.5966450572), FRAC_CONST(-0.8025052547) } }, + { { FRAC_CONST(-0.0471066870), FRAC_CONST(0.9988898635) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.4357025325), FRAC_CONST(-0.9000906944) } }, + { { FRAC_CONST(-0.9851093888), FRAC_CONST(0.1719288528) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.9995546937), FRAC_CONST(-0.0298405960) } }, + { { FRAC_CONST(-0.3826831877), FRAC_CONST(-0.9238796234) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.4886211455), FRAC_CONST(0.8724960685) } }, + { { FRAC_CONST(0.8181498647), FRAC_CONST(-0.5750049949) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.5477093458), FRAC_CONST(0.8366686702) } }, + { { FRAC_CONST(0.7396308780), FRAC_CONST(0.6730127335) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.9951074123), FRAC_CONST(-0.0987988561) } }, + { { FRAC_CONST(-0.4954589605), FRAC_CONST(0.8686313629) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.3725017905), FRAC_CONST(-0.9280315042) } }, + { { FRAC_CONST(-0.9557929039), FRAC_CONST(-0.2940406799) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.6506417990), FRAC_CONST(-0.7593847513) } }, + { { FRAC_CONST(0.0784594864), FRAC_CONST(-0.9969173074) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.9741733670), FRAC_CONST(0.2258014232) } }, + { { FRAC_CONST(0.9900237322), FRAC_CONST(-0.1409008205) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.2502108514), FRAC_CONST(0.9681913853) } }, + { { FRAC_CONST(0.3534744382), FRAC_CONST(0.9354441762) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.7427945137), FRAC_CONST(0.6695194840) } }, + { { FRAC_CONST(-0.8358076215), FRAC_CONST(0.5490224361) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.9370992780), FRAC_CONST(-0.3490629196) } }, + { { FRAC_CONST(-0.7181259394), FRAC_CONST(-0.6959131360) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.1237744763), FRAC_CONST(-0.9923103452) } }, + { { FRAC_CONST(0.5224990249), FRAC_CONST(-0.8526399136) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.8226406574), FRAC_CONST(-0.5685616732) } }, + { { FRAC_CONST(0.9460852146), FRAC_CONST(0.3239179254) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.8844994903), FRAC_CONST(0.4665412009) } }, + { { FRAC_CONST(-0.1097348556), FRAC_CONST(0.9939609170) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.0047125919), FRAC_CONST(0.9999889135) } }, + { { FRAC_CONST(-0.9939610362), FRAC_CONST(0.1097337380) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.8888573647), FRAC_CONST(0.4581840038) } }, + { { FRAC_CONST(-0.3239168525), FRAC_CONST(-0.9460855722) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.8172453642), FRAC_CONST(-0.5762898922) } }, + { { FRAC_CONST(0.8526405096), FRAC_CONST(-0.5224980116) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.1331215799), FRAC_CONST(-0.9910997152) } }, + { { FRAC_CONST(0.6959123611), FRAC_CONST(0.7181267142) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.9403476119), FRAC_CONST(-0.3402152061) } }, + { { FRAC_CONST(-0.5490233898), FRAC_CONST(0.8358070254) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.7364512086), FRAC_CONST(0.6764906645) } }, + { { FRAC_CONST(-0.9354437590), FRAC_CONST(-0.3534754813) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.2593250275), FRAC_CONST(0.9657900929) } }, + { { FRAC_CONST(0.1409019381), FRAC_CONST(-0.9900235534) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.9762582779), FRAC_CONST(0.2166097313) } }, + { { FRAC_CONST(0.9969173670), FRAC_CONST(-0.0784583688) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.6434556246), FRAC_CONST(-0.7654833794) } }, + { { FRAC_CONST(0.2940396070), FRAC_CONST(0.9557932615) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.3812320232), FRAC_CONST(-0.9244794250) } }, + { { FRAC_CONST(-0.8686318994), FRAC_CONST(0.4954580069) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.9959943891), FRAC_CONST(-0.0894154981) } }, + { { FRAC_CONST(-0.6730118990), FRAC_CONST(-0.7396316528) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.5397993922), FRAC_CONST(0.8417937160) } }, + { { FRAC_CONST(0.5750059485), FRAC_CONST(-0.8181492686) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.4968227744), FRAC_CONST(0.8678520322) } }, + { { FRAC_CONST(0.9238792062), FRAC_CONST(0.3826842010) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.9992290139), FRAC_CONST(-0.0392601527) } }, + { { FRAC_CONST(-0.1719299555), FRAC_CONST(0.9851091504) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.4271997511), FRAC_CONST(-0.9041572809) } }, + { { FRAC_CONST(-0.9988899231), FRAC_CONST(0.0471055657) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.6041822433), FRAC_CONST(-0.7968461514) } }, + { { FRAC_CONST(-0.2638721764), FRAC_CONST(-0.9645576477) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.9859085083), FRAC_CONST(0.1672853529) } }, + { { FRAC_CONST(0.8837660551), FRAC_CONST(-0.4679289758) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.3075223565), FRAC_CONST(0.9515408874) } }, + { { FRAC_CONST(0.6494473219), FRAC_CONST(0.7604066133) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.7015317082), FRAC_CONST(0.7126382589) } }, + { { FRAC_CONST(-0.6004210114), FRAC_CONST(0.7996840477) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.9562535882), FRAC_CONST(-0.2925389707) } }, + { { FRAC_CONST(-0.9114028811), FRAC_CONST(-0.4115152657) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.1827499419), FRAC_CONST(-0.9831594229) } }, + { { FRAC_CONST(0.2027882934), FRAC_CONST(-0.9792225957) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.7872582674), FRAC_CONST(-0.6166234016) } }, + { { FRAC_CONST(0.9998766780), FRAC_CONST(-0.0157062728) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.9107555747), FRAC_CONST(0.4129458666) } }, + { { FRAC_CONST(0.2334443331), FRAC_CONST(0.9723701477) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.0549497530), FRAC_CONST(0.9984891415) } }, + { { FRAC_CONST(-0.8980280757), FRAC_CONST(0.4399381876) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.8599416018), FRAC_CONST(0.5103924870) } }, + { { FRAC_CONST(-0.6252418160), FRAC_CONST(-0.7804310918) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(-0.8501682281), FRAC_CONST(-0.5265110731) } }, + { { FRAC_CONST(0.6252435446), FRAC_CONST(-0.7804297209) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.0737608299), FRAC_CONST(-0.9972759485) } }, + { { FRAC_CONST(0.8980270624), FRAC_CONST(0.4399402142) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.9183775187), FRAC_CONST(-0.3957053721) } }, + { { FRAC_CONST(-0.2334465086), FRAC_CONST(0.9723696709) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.7754954696), FRAC_CONST(0.6313531399) } }, + { { FRAC_CONST(-0.9998766184), FRAC_CONST(-0.0157085191) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.2012493610), FRAC_CONST(0.9795400500) } }, + { { FRAC_CONST(-0.2027861029), FRAC_CONST(-0.9792230725) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.9615978599), FRAC_CONST(0.2744622827) } }, + { { FRAC_CONST(0.9114037752), FRAC_CONST(-0.4115132093) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.6879743338), FRAC_CONST(-0.7257350087) } }, + { { FRAC_CONST(0.6004192233), FRAC_CONST(0.7996854186) }, { FRAC_CONST(0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(0.3254036009), FRAC_CONST(-0.9455752373) } }, + { { FRAC_CONST(-0.6494490504), FRAC_CONST(0.7604051232) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.9888865948), FRAC_CONST(-0.1486719251) } }, + { { FRAC_CONST(-0.8837650418), FRAC_CONST(-0.4679309726) }, { FRAC_CONST(0.9238795042), FRAC_CONST(-0.3826834261) }, { FRAC_CONST(0.5890548825), FRAC_CONST(0.8080930114) } }, + { { FRAC_CONST(0.2638743520), FRAC_CONST(-0.9645570517) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(0.9238795042) }, { FRAC_CONST(-0.4441666007), FRAC_CONST(0.8959442377) } }, + { { FRAC_CONST(0.9988898039), FRAC_CONST(0.0471078083) }, { FRAC_CONST(-0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(-0.9997915030), FRAC_CONST(0.0204183888) } }, + { { FRAC_CONST(0.1719277352), FRAC_CONST(0.9851095676) }, { FRAC_CONST(0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(-0.4803760946), FRAC_CONST(-0.8770626187) } }, + { { FRAC_CONST(-0.9238800406), FRAC_CONST(0.3826821446) }, { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) }, { FRAC_CONST(0.5555707216), FRAC_CONST(-0.8314692974) } }, + { { FRAC_CONST(-0.5750041008), FRAC_CONST(-0.8181505203) }, { FRAC_CONST(0.3826834261), FRAC_CONST(-0.9238795042) }, { FRAC_CONST(0.9941320419), FRAC_CONST(0.1081734300) } } + }; + + /* RE(Q_Fract_allpass_SubQmf20[j][i]) = (float)cos(M_PI*f_center_20[j]*frac_delay_q[i]); */ + /* IM(Q_Fract_allpass_SubQmf20[j][i]) = (float)sin(M_PI*f_center_20[j]*frac_delay_q[i]); */ + static const complex_t Q_Fract_allpass_SubQmf20[][3] = { + { { FRAC_CONST(0.9857769012), FRAC_CONST(0.1680592746) }, { FRAC_CONST(0.9569403529), FRAC_CONST(0.2902846634) }, { FRAC_CONST(0.9907300472), FRAC_CONST(0.1358452588) } }, + { { FRAC_CONST(0.8744080663), FRAC_CONST(0.4851911962) }, { FRAC_CONST(0.6343932748), FRAC_CONST(0.7730104327) }, { FRAC_CONST(0.9175986052), FRAC_CONST(0.3975082636) } }, + { { FRAC_CONST(0.6642524004), FRAC_CONST(0.7475083470) }, { FRAC_CONST(0.0980171412), FRAC_CONST(0.9951847196) }, { FRAC_CONST(0.7767338753), FRAC_CONST(0.6298289299) } }, + { { FRAC_CONST(0.3790524006), FRAC_CONST(0.9253752232) }, { FRAC_CONST(-0.4713967443), FRAC_CONST(0.8819212914) }, { FRAC_CONST(0.5785340071), FRAC_CONST(0.8156582713) } }, + { { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) } }, + { { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) } }, + { { FRAC_CONST(0.8744080663), FRAC_CONST(-0.4851911962) }, { FRAC_CONST(0.6343932748), FRAC_CONST(-0.7730104327) }, { FRAC_CONST(0.9175986052), FRAC_CONST(-0.3975082636) } }, + { { FRAC_CONST(0.9857769012), FRAC_CONST(-0.1680592746) }, { FRAC_CONST(0.9569403529), FRAC_CONST(-0.2902846634) }, { FRAC_CONST(0.9907300472), FRAC_CONST(-0.1358452588) } }, + { { FRAC_CONST(-0.7126385570), FRAC_CONST(0.7015314102) }, { FRAC_CONST(-0.5555702448), FRAC_CONST(-0.8314695954) }, { FRAC_CONST(-0.3305967748), FRAC_CONST(0.9437720776) } }, + { { FRAC_CONST(-0.1175374240), FRAC_CONST(0.9930684566) }, { FRAC_CONST(-0.9807852507), FRAC_CONST(0.1950903237) }, { FRAC_CONST(0.2066311091), FRAC_CONST(0.9784189463) } }, + { { FRAC_CONST(-0.9947921634), FRAC_CONST(0.1019244045) }, { FRAC_CONST(0.5555702448), FRAC_CONST(-0.8314695954) }, { FRAC_CONST(-0.7720130086), FRAC_CONST(0.6356067061) } }, + { { FRAC_CONST(-0.8400934935), FRAC_CONST(-0.5424416065) }, { FRAC_CONST(0.9807852507), FRAC_CONST(0.1950903237) }, { FRAC_CONST(-0.9896889329), FRAC_CONST(0.1432335079) } } + }; + + /* RE(Q_Fract_allpass_SubQmf34[j][i]) = (float)cos(M_PI*f_center_34[j]*frac_delay_q[i]); */ + /* IM(Q_Fract_allpass_SubQmf34[j][i]) = (float)sin(M_PI*f_center_34[j]*frac_delay_q[i]); */ + static const complex_t Q_Fract_allpass_SubQmf34[][3] = { + { { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) } }, + { { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) } }, + { { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) } }, + { { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) } }, + { { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) } }, + { { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) } }, + { { FRAC_CONST(0.2181432247), FRAC_CONST(0.9759167433) }, { FRAC_CONST(-0.7071067691), FRAC_CONST(0.7071067691) }, { FRAC_CONST(0.4623677433), FRAC_CONST(0.8866882324) } }, + { { FRAC_CONST(0.2181432247), FRAC_CONST(0.9759167433) }, { FRAC_CONST(-0.7071067691), FRAC_CONST(0.7071067691) }, { FRAC_CONST(0.4623677433), FRAC_CONST(0.8866882324) } }, + { { FRAC_CONST(0.2181432247), FRAC_CONST(0.9759167433) }, { FRAC_CONST(-0.7071067691), FRAC_CONST(0.7071067691) }, { FRAC_CONST(0.4623677433), FRAC_CONST(0.8866882324) } }, + { { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) } }, + { { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) } }, + { { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) } }, + { { FRAC_CONST(-0.9048270583), FRAC_CONST(0.4257792532) }, { FRAC_CONST(-0.0000000000), FRAC_CONST(-1.0000000000) }, { FRAC_CONST(-0.5724321604), FRAC_CONST(0.8199520707) } }, + { { FRAC_CONST(-0.9048270583), FRAC_CONST(0.4257792532) }, { FRAC_CONST(-0.0000000000), FRAC_CONST(-1.0000000000) }, { FRAC_CONST(-0.5724321604), FRAC_CONST(0.8199520707) } }, + { { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) } }, + { { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(1.0000000000), FRAC_CONST(0.0000000000) } }, + { { FRAC_CONST(0.2181432247), FRAC_CONST(0.9759167433) }, { FRAC_CONST(-0.7071067691), FRAC_CONST(0.7071067691) }, { FRAC_CONST(0.4623677433), FRAC_CONST(0.8866882324) } }, + { { FRAC_CONST(0.2181432247), FRAC_CONST(0.9759167433) }, { FRAC_CONST(-0.7071067691), FRAC_CONST(0.7071067691) }, { FRAC_CONST(0.4623677433), FRAC_CONST(0.8866882324) } }, + { { FRAC_CONST(0.2181432247), FRAC_CONST(0.9759167433) }, { FRAC_CONST(-0.7071067691), FRAC_CONST(0.7071067691) }, { FRAC_CONST(0.4623677433), FRAC_CONST(0.8866882324) } }, + { { FRAC_CONST(0.2181432247), FRAC_CONST(0.9759167433) }, { FRAC_CONST(-0.7071067691), FRAC_CONST(0.7071067691) }, { FRAC_CONST(0.4623677433), FRAC_CONST(0.8866882324) } }, + { { FRAC_CONST(-0.9048270583), FRAC_CONST(0.4257792532) }, { FRAC_CONST(-0.0000000000), FRAC_CONST(-1.0000000000) }, { FRAC_CONST(-0.5724321604), FRAC_CONST(0.8199520707) } }, + { { FRAC_CONST(-0.9048270583), FRAC_CONST(0.4257792532) }, { FRAC_CONST(-0.0000000000), FRAC_CONST(-1.0000000000) }, { FRAC_CONST(-0.5724321604), FRAC_CONST(0.8199520707) } }, + { { FRAC_CONST(-0.6129069924), FRAC_CONST(-0.7901550531) }, { FRAC_CONST(0.7071067691), FRAC_CONST(0.7071067691) }, { FRAC_CONST(-0.9917160273), FRAC_CONST(-0.1284494549) } }, + { { FRAC_CONST(0.2181432247), FRAC_CONST(0.9759167433) }, { FRAC_CONST(-0.7071067691), FRAC_CONST(0.7071067691) }, { FRAC_CONST(0.4623677433), FRAC_CONST(0.8866882324) } }, + { { FRAC_CONST(0.6374240518), FRAC_CONST(-0.7705131769) }, { FRAC_CONST(-1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(-0.3446428776), FRAC_CONST(-0.9387338758) } }, + { { FRAC_CONST(-0.9048270583), FRAC_CONST(0.4257792532) }, { FRAC_CONST(-0.0000000000), FRAC_CONST(-1.0000000000) }, { FRAC_CONST(-0.5724321604), FRAC_CONST(0.8199520707) } }, + { { FRAC_CONST(-0.6129069924), FRAC_CONST(-0.7901550531) }, { FRAC_CONST(0.7071067691), FRAC_CONST(0.7071067691) }, { FRAC_CONST(-0.9917160273), FRAC_CONST(-0.1284494549) } }, + { { FRAC_CONST(-0.6129069924), FRAC_CONST(-0.7901550531) }, { FRAC_CONST(0.7071067691), FRAC_CONST(0.7071067691) }, { FRAC_CONST(-0.9917160273), FRAC_CONST(-0.1284494549) } }, + { { FRAC_CONST(0.6374240518), FRAC_CONST(-0.7705131769) }, { FRAC_CONST(-1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(-0.3446428776), FRAC_CONST(-0.9387338758) } }, + { { FRAC_CONST(0.6374240518), FRAC_CONST(-0.7705131769) }, { FRAC_CONST(-1.0000000000), FRAC_CONST(0.0000000000) }, { FRAC_CONST(-0.3446428776), FRAC_CONST(-0.9387338758) } }, + { { FRAC_CONST(0.8910064697), FRAC_CONST(0.4539906085) }, { FRAC_CONST(0.7071067691), FRAC_CONST(-0.7071067691) }, { FRAC_CONST(0.6730125546), FRAC_CONST(-0.7396310568) } }, + { { FRAC_CONST(-0.6129069924), FRAC_CONST(-0.7901550531) }, { FRAC_CONST(0.7071067691), FRAC_CONST(0.7071067691) }, { FRAC_CONST(-0.9917160273), FRAC_CONST(-0.1284494549) } } + }; + +#if 0 + static float quant_rho[8] = { + FRAC_CONST(1.0), FRAC_CONST(0.937), FRAC_CONST(0.84118), FRAC_CONST(0.60092), + FRAC_CONST(0.36764), FRAC_CONST(0.0), FRAC_CONST(-0.589), FRAC_CONST(-1.0) + }; + + static const uint8_t quant_iid_normal[7] = { + 2, 4, 7, 10, 14, 18, 25 + }; + + static const uint8_t quant_iid_fine[15] = { + 2, 4, 6, 8, 10, 13, 16, 19, 22, 25, 30, 35, 40, 45, 50 + }; +#endif + + static const real_t cos_alphas[] = { + COEF_CONST(1.0000000000), COEF_CONST(0.9841239700), COEF_CONST(0.9594738210), + COEF_CONST(0.8946843079), COEF_CONST(0.8269340931), COEF_CONST(0.7071067812), + COEF_CONST(0.4533210856), COEF_CONST(0.0000000000) + }; + + static const real_t sin_alphas[] = { + COEF_CONST(0.0000000000), COEF_CONST(0.1774824264), COEF_CONST(0.2817977763), + COEF_CONST(0.4466989918), COEF_CONST(0.5622988580), COEF_CONST(0.7071067812), + COEF_CONST(0.8913472911), COEF_CONST(1.0000000000) + }; + + static const real_t cos_betas_normal[][8] = { + { COEF_CONST(1.0000000000), COEF_CONST(1.0000000000), COEF_CONST(1.0000000000), COEF_CONST(1.0000000000), COEF_CONST(1.0000000000), COEF_CONST(1.0000000000), COEF_CONST(1.0000000000), COEF_CONST(1.0000000000) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9995871699), COEF_CONST(0.9989419133), COEF_CONST(0.9972204583), COEF_CONST(0.9953790839), COEF_CONST(0.9920112747), COEF_CONST(0.9843408180), COEF_CONST(0.9681727381) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9984497744), COEF_CONST(0.9960279377), COEF_CONST(0.9895738413), COEF_CONST(0.9826814632), COEF_CONST(0.9701058164), COEF_CONST(0.9416098832), COEF_CONST(0.8822105900) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9959398908), COEF_CONST(0.9896038018), COEF_CONST(0.9727589768), COEF_CONST(0.9548355329), COEF_CONST(0.9223070404), COEF_CONST(0.8494349490), COEF_CONST(0.7013005535) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9932417400), COEF_CONST(0.9827071856), COEF_CONST(0.9547730996), COEF_CONST(0.9251668930), COEF_CONST(0.8717461589), COEF_CONST(0.7535520592), COEF_CONST(0.5198827312) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9902068095), COEF_CONST(0.9749613872), COEF_CONST(0.9346538534), COEF_CONST(0.8921231300), COEF_CONST(0.8158851259), COEF_CONST(0.6495964302), COEF_CONST(0.3313370772) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9880510933), COEF_CONST(0.9694670261), COEF_CONST(0.9204347876), COEF_CONST(0.8688622825), COEF_CONST(0.7768516704), COEF_CONST(0.5782161800), COEF_CONST(0.2069970356) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9858996945), COEF_CONST(0.9639898866), COEF_CONST(0.9063034786), COEF_CONST(0.8458214608), COEF_CONST(0.7384262300), COEF_CONST(0.5089811277), COEF_CONST(0.0905465944) } + }; + + static const real_t sin_betas_normal[][8] = { + { COEF_CONST(0.0000000000), COEF_CONST(0.0000000000), COEF_CONST(0.0000000000), COEF_CONST(0.0000000000), COEF_CONST(0.0000000000), COEF_CONST(0.0000000000), COEF_CONST(0.0000000000), COEF_CONST(0.0000000000) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.0287313368), COEF_CONST(-0.0459897147), COEF_CONST(-0.0745074328), COEF_CONST(-0.0960233266), COEF_CONST(-0.1261492408), COEF_CONST(-0.1762757894), COEF_CONST(-0.2502829383) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.0556601118), COEF_CONST(-0.0890412670), COEF_CONST(-0.1440264301), COEF_CONST(-0.1853028382), COEF_CONST(-0.2426823129), COEF_CONST(-0.3367058477), COEF_CONST(-0.4708550466) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.0900207420), COEF_CONST(-0.1438204281), COEF_CONST(-0.2318188366), COEF_CONST(-0.2971348264), COEF_CONST(-0.3864579191), COEF_CONST(-0.5276933461), COEF_CONST(-0.7128657193) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1160639735), COEF_CONST(-0.1851663774), COEF_CONST(-0.2973353800), COEF_CONST(-0.3795605619), COEF_CONST(-0.4899577884), COEF_CONST(-0.6573882369), COEF_CONST(-0.8542376401) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1396082894), COEF_CONST(-0.2223742196), COEF_CONST(-0.3555589603), COEF_CONST(-0.4517923427), COEF_CONST(-0.5782140273), COEF_CONST(-0.7602792104), COEF_CONST(-0.9435124489) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1541266914), COEF_CONST(-0.2452217065), COEF_CONST(-0.3908961522), COEF_CONST(-0.4950538699), COEF_CONST(-0.6296836366), COEF_CONST(-0.8158836002), COEF_CONST(-0.9783415698) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1673373610), COEF_CONST(-0.2659389001), COEF_CONST(-0.4226275012), COEF_CONST(-0.5334660781), COEF_CONST(-0.6743342664), COEF_CONST(-0.8607776784), COEF_CONST(-0.9958922202) } + }; + + static const real_t cos_betas_fine[][8] = { + { COEF_CONST(1.0000000000), COEF_CONST(1.0000000000), COEF_CONST(1.0000000000), COEF_CONST(1.0000000000), COEF_CONST(1.0000000000), COEF_CONST(1.0000000000), COEF_CONST(1.0000000000), COEF_CONST(1.0000000000) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9995871699), COEF_CONST(0.9989419133), COEF_CONST(0.9972204583), COEF_CONST(0.9953790839), COEF_CONST(0.9920112747), COEF_CONST(0.9843408180), COEF_CONST(0.9681727381) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9984497744), COEF_CONST(0.9960279377), COEF_CONST(0.9895738413), COEF_CONST(0.9826814632), COEF_CONST(0.9701058164), COEF_CONST(0.9416098832), COEF_CONST(0.8822105900) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9968361371), COEF_CONST(0.9918968104), COEF_CONST(0.9787540479), COEF_CONST(0.9647515190), COEF_CONST(0.9392903010), COEF_CONST(0.8820167114), COEF_CONST(0.7645325390) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9950262915), COEF_CONST(0.9872675041), COEF_CONST(0.9666584578), COEF_CONST(0.9447588606), COEF_CONST(0.9050918405), COEF_CONST(0.8165997379), COEF_CONST(0.6383824796) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9932417400), COEF_CONST(0.9827071856), COEF_CONST(0.9547730996), COEF_CONST(0.9251668930), COEF_CONST(0.8717461589), COEF_CONST(0.7535520592), COEF_CONST(0.5198827312) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9908827998), COEF_CONST(0.9766855904), COEF_CONST(0.9391249214), COEF_CONST(0.8994531782), COEF_CONST(0.8282352693), COEF_CONST(0.6723983174), COEF_CONST(0.3719473225) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9890240165), COEF_CONST(0.9719459866), COEF_CONST(0.9268448110), COEF_CONST(0.8793388536), COEF_CONST(0.7944023271), COEF_CONST(0.6101812098), COEF_CONST(0.2621501145) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9876350461), COEF_CONST(0.9684073447), COEF_CONST(0.9176973944), COEF_CONST(0.8643930070), COEF_CONST(0.7693796058), COEF_CONST(0.5646720713), COEF_CONST(0.1838899556) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9866247085), COEF_CONST(0.9658349704), COEF_CONST(0.9110590761), COEF_CONST(0.8535668048), COEF_CONST(0.7513165426), COEF_CONST(0.5320914819), COEF_CONST(0.1289530943) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9858996945), COEF_CONST(0.9639898866), COEF_CONST(0.9063034786), COEF_CONST(0.8458214608), COEF_CONST(0.7384262300), COEF_CONST(0.5089811277), COEF_CONST(0.0905465944) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9851245614), COEF_CONST(0.9620180268), COEF_CONST(0.9012265590), COEF_CONST(0.8375623272), COEF_CONST(0.7247108045), COEF_CONST(0.4845204297), COEF_CONST(0.0504115003) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9846869856), COEF_CONST(0.9609052357), COEF_CONST(0.8983639533), COEF_CONST(0.8329098386), COEF_CONST(0.7169983441), COEF_CONST(0.4708245354), COEF_CONST(0.0281732509) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9844406325), COEF_CONST(0.9602788522), COEF_CONST(0.8967533934), COEF_CONST(0.8302936455), COEF_CONST(0.7126658102), COEF_CONST(0.4631492839), COEF_CONST(0.0157851140) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9843020502), COEF_CONST(0.9599265269), COEF_CONST(0.8958477331), COEF_CONST(0.8288229094), COEF_CONST(0.7102315840), COEF_CONST(0.4588429315), COEF_CONST(0.0088578059) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9842241136), COEF_CONST(0.9597283916), COEF_CONST(0.8953385094), COEF_CONST(0.8279961409), COEF_CONST(0.7088635748), COEF_CONST(0.4564246834), COEF_CONST(0.0049751355) } + }; + + static const real_t sin_betas_fine[][8] = { + { COEF_CONST(0.0000000000), COEF_CONST(0.0000000000), COEF_CONST(0.0000000000), COEF_CONST(0.0000000000), COEF_CONST(0.0000000000), COEF_CONST(0.0000000000), COEF_CONST(0.0000000000), COEF_CONST(0.0000000000) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.0287313368), COEF_CONST(-0.0459897147), COEF_CONST(-0.0745074328), COEF_CONST(-0.0960233266), COEF_CONST(-0.1261492408), COEF_CONST(-0.1762757894), COEF_CONST(-0.2502829383) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.0556601118), COEF_CONST(-0.0890412670), COEF_CONST(-0.1440264301), COEF_CONST(-0.1853028382), COEF_CONST(-0.2426823129), COEF_CONST(-0.3367058477), COEF_CONST(-0.4708550466) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.0794840594), COEF_CONST(-0.1270461238), COEF_CONST(-0.2050378347), COEF_CONST(-0.2631625097), COEF_CONST(-0.3431234916), COEF_CONST(-0.4712181245), COEF_CONST(-0.6445851354) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.0996126459), COEF_CONST(-0.1590687758), COEF_CONST(-0.2560691819), COEF_CONST(-0.3277662204), COEF_CONST(-0.4252161335), COEF_CONST(-0.5772043556), COEF_CONST(-0.7697193058) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1160639735), COEF_CONST(-0.1851663774), COEF_CONST(-0.2973353800), COEF_CONST(-0.3795605619), COEF_CONST(-0.4899577884), COEF_CONST(-0.6573882369), COEF_CONST(-0.8542376401) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1347266752), COEF_CONST(-0.2146747714), COEF_CONST(-0.3435758752), COEF_CONST(-0.4370171396), COEF_CONST(-0.5603805303), COEF_CONST(-0.7401895046), COEF_CONST(-0.9282538388) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1477548470), COEF_CONST(-0.2352041647), COEF_CONST(-0.3754446647), COEF_CONST(-0.4761965776), COEF_CONST(-0.6073919186), COEF_CONST(-0.7922618830), COEF_CONST(-0.9650271071) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1567705832), COEF_CONST(-0.2493736450), COEF_CONST(-0.3972801182), COEF_CONST(-0.5028167951), COEF_CONST(-0.6387918458), COEF_CONST(-0.8253153651), COEF_CONST(-0.9829468369) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1630082348), COEF_CONST(-0.2591578860), COEF_CONST(-0.4122758299), COEF_CONST(-0.5209834064), COEF_CONST(-0.6599420072), COEF_CONST(-0.8466868694), COEF_CONST(-0.9916506943) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1673373610), COEF_CONST(-0.2659389001), COEF_CONST(-0.4226275012), COEF_CONST(-0.5334660781), COEF_CONST(-0.6743342664), COEF_CONST(-0.8607776784), COEF_CONST(-0.9958922202) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1718417832), COEF_CONST(-0.2729859267), COEF_CONST(-0.4333482310), COEF_CONST(-0.5463417868), COEF_CONST(-0.6890531546), COEF_CONST(-0.8747799456), COEF_CONST(-0.9987285320) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1743316967), COEF_CONST(-0.2768774604), COEF_CONST(-0.4392518725), COEF_CONST(-0.5534087104), COEF_CONST(-0.6970748701), COEF_CONST(-0.8822268738), COEF_CONST(-0.9996030552) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1757175038), COEF_CONST(-0.2790421580), COEF_CONST(-0.4425306221), COEF_CONST(-0.5573261722), COEF_CONST(-0.7015037013), COEF_CONST(-0.8862802834), COEF_CONST(-0.9998754073) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1764921355), COEF_CONST(-0.2802517850), COEF_CONST(-0.4443611583), COEF_CONST(-0.5595110229), COEF_CONST(-0.7039681080), COEF_CONST(-0.8885173967), COEF_CONST(-0.9999607689) }, + { COEF_CONST(0.0000000000), COEF_CONST(-0.1769262394), COEF_CONST(-0.2809295540), COEF_CONST(-0.4453862969), COEF_CONST(-0.5607337966), COEF_CONST(-0.7053456119), COEF_CONST(-0.8897620516), COEF_CONST(-0.9999876239) } + }; + + static const real_t sincos_alphas_B_normal[][8] = { + { COEF_CONST(0.0561454100), COEF_CONST(0.0526385859), COEF_CONST(0.0472937334), COEF_CONST(0.0338410641), COEF_CONST(0.0207261065), COEF_CONST(0.0028205635), COEF_CONST(0.0028205635), COEF_CONST(0.0028205635) }, + { COEF_CONST(0.1249065138), COEF_CONST(0.1173697697), COEF_CONST(0.1057888284), COEF_CONST(0.0761985131), COEF_CONST(0.0468732723), COEF_CONST(0.0063956103), COEF_CONST(0.0063956103), COEF_CONST(0.0063956103) }, + { COEF_CONST(0.1956693050), COEF_CONST(0.1846090179), COEF_CONST(0.1673645109), COEF_CONST(0.1220621836), COEF_CONST(0.0757362479), COEF_CONST(0.0103882630), COEF_CONST(0.0103882630), COEF_CONST(0.0103882630) }, + { COEF_CONST(0.3015113269), COEF_CONST(0.2870525790), COEF_CONST(0.2637738799), COEF_CONST(0.1984573949), COEF_CONST(0.1260749909), COEF_CONST(0.0175600126), COEF_CONST(0.0175600126), COEF_CONST(0.0175600126) }, + { COEF_CONST(0.4078449476), COEF_CONST(0.3929852420), COEF_CONST(0.3680589270), COEF_CONST(0.2911029124), COEF_CONST(0.1934512363), COEF_CONST(0.0278686716), COEF_CONST(0.0278686716), COEF_CONST(0.0278686716) }, + { COEF_CONST(0.5336171261), COEF_CONST(0.5226637762), COEF_CONST(0.5033652606), COEF_CONST(0.4349162672), COEF_CONST(0.3224682122), COEF_CONST(0.0521999036), COEF_CONST(0.0521999036), COEF_CONST(0.0521999036) }, + { COEF_CONST(0.6219832023), COEF_CONST(0.6161847276), COEF_CONST(0.6057251063), COEF_CONST(0.5654342668), COEF_CONST(0.4826149915), COEF_CONST(0.1058044758), COEF_CONST(0.1058044758), COEF_CONST(0.1058044758) }, + { COEF_CONST(0.7071067657), COEF_CONST(0.7071067657), COEF_CONST(0.7071067657), COEF_CONST(0.7071067657), COEF_CONST(0.7071067657), COEF_CONST(0.7071067657), COEF_CONST(0.7071067657), COEF_CONST(0.7071067657) }, + { COEF_CONST(0.7830305572), COEF_CONST(0.7876016373), COEF_CONST(0.7956739618), COEF_CONST(0.8247933372), COEF_CONST(0.8758325942), COEF_CONST(0.9943869542), COEF_CONST(0.9943869542), COEF_CONST(0.9943869542) }, + { COEF_CONST(0.8457261833), COEF_CONST(0.8525388778), COEF_CONST(0.8640737401), COEF_CONST(0.9004708933), COEF_CONST(0.9465802987), COEF_CONST(0.9986366532), COEF_CONST(0.9986366532), COEF_CONST(0.9986366532) }, + { COEF_CONST(0.9130511848), COEF_CONST(0.9195447612), COEF_CONST(0.9298024282), COEF_CONST(0.9566917233), COEF_CONST(0.9811098801), COEF_CONST(0.9996115928), COEF_CONST(0.9996115928), COEF_CONST(0.9996115928) }, + { COEF_CONST(0.9534625907), COEF_CONST(0.9579148236), COEF_CONST(0.9645845234), COEF_CONST(0.9801095128), COEF_CONST(0.9920207064), COEF_CONST(0.9998458099), COEF_CONST(0.9998458099), COEF_CONST(0.9998458099) }, + { COEF_CONST(0.9806699215), COEF_CONST(0.9828120260), COEF_CONST(0.9858950861), COEF_CONST(0.9925224431), COEF_CONST(0.9971278825), COEF_CONST(0.9999460406), COEF_CONST(0.9999460406), COEF_CONST(0.9999460406) }, + { COEF_CONST(0.9921685024), COEF_CONST(0.9930882705), COEF_CONST(0.9943886135), COEF_CONST(0.9970926648), COEF_CONST(0.9989008403), COEF_CONST(0.9999795479), COEF_CONST(0.9999795479), COEF_CONST(0.9999795479) }, + { COEF_CONST(0.9984226014), COEF_CONST(0.9986136287), COEF_CONST(0.9988810254), COEF_CONST(0.9994272242), COEF_CONST(0.9997851906), COEF_CONST(0.9999960221), COEF_CONST(0.9999960221), COEF_CONST(0.9999960221) } + }; + + static const real_t sincos_alphas_B_fine[][8] = { + { COEF_CONST(0.0031622158), COEF_CONST(0.0029630181), COEF_CONST(0.0026599892), COEF_CONST(0.0019002704), COEF_CONST(0.0011626042), COEF_CONST(0.0001580278), COEF_CONST(0.0001580278), COEF_CONST(0.0001580278) }, + { COEF_CONST(0.0056232673), COEF_CONST(0.0052689825), COEF_CONST(0.0047302825), COEF_CONST(0.0033791756), COEF_CONST(0.0020674015), COEF_CONST(0.0002811710), COEF_CONST(0.0002811710), COEF_CONST(0.0002811710) }, + { COEF_CONST(0.0099994225), COEF_CONST(0.0093696693), COEF_CONST(0.0084117414), COEF_CONST(0.0060093796), COEF_CONST(0.0036766009), COEF_CONST(0.0005000392), COEF_CONST(0.0005000392), COEF_CONST(0.0005000392) }, + { COEF_CONST(0.0177799194), COEF_CONST(0.0166607102), COEF_CONST(0.0149581377), COEF_CONST(0.0106875809), COEF_CONST(0.0065392545), COEF_CONST(0.0008893767), COEF_CONST(0.0008893767), COEF_CONST(0.0008893767) }, + { COEF_CONST(0.0316069684), COEF_CONST(0.0296211579), COEF_CONST(0.0265987295), COEF_CONST(0.0190113813), COEF_CONST(0.0116349973), COEF_CONST(0.0015826974), COEF_CONST(0.0015826974), COEF_CONST(0.0015826974) }, + { COEF_CONST(0.0561454100), COEF_CONST(0.0526385859), COEF_CONST(0.0472937334), COEF_CONST(0.0338410641), COEF_CONST(0.0207261065), COEF_CONST(0.0028205635), COEF_CONST(0.0028205635), COEF_CONST(0.0028205635) }, + { COEF_CONST(0.0791834041), COEF_CONST(0.0742798103), COEF_CONST(0.0667907269), COEF_CONST(0.0478705292), COEF_CONST(0.0293500747), COEF_CONST(0.0039966755), COEF_CONST(0.0039966755), COEF_CONST(0.0039966755) }, + { COEF_CONST(0.1115021177), COEF_CONST(0.1047141985), COEF_CONST(0.0943053154), COEF_CONST(0.0678120561), COEF_CONST(0.0416669150), COEF_CONST(0.0056813213), COEF_CONST(0.0056813213), COEF_CONST(0.0056813213) }, + { COEF_CONST(0.1565355066), COEF_CONST(0.1473258371), COEF_CONST(0.1330924027), COEF_CONST(0.0963282233), COEF_CONST(0.0594509113), COEF_CONST(0.0081277946), COEF_CONST(0.0081277946), COEF_CONST(0.0081277946) }, + { COEF_CONST(0.2184643682), COEF_CONST(0.2064579524), COEF_CONST(0.1876265439), COEF_CONST(0.1375744167), COEF_CONST(0.0856896681), COEF_CONST(0.0117817338), COEF_CONST(0.0117817338), COEF_CONST(0.0117817338) }, + { COEF_CONST(0.3015113269), COEF_CONST(0.2870525790), COEF_CONST(0.2637738799), COEF_CONST(0.1984573949), COEF_CONST(0.1260749909), COEF_CONST(0.0175600126), COEF_CONST(0.0175600126), COEF_CONST(0.0175600126) }, + { COEF_CONST(0.3698741335), COEF_CONST(0.3547727297), COEF_CONST(0.3298252076), COEF_CONST(0.2556265829), COEF_CONST(0.1665990017), COEF_CONST(0.0236344541), COEF_CONST(0.0236344541), COEF_CONST(0.0236344541) }, + { COEF_CONST(0.4480623975), COEF_CONST(0.4339410024), COEF_CONST(0.4098613774), COEF_CONST(0.3322709108), COEF_CONST(0.2266784729), COEF_CONST(0.0334094131), COEF_CONST(0.0334094131), COEF_CONST(0.0334094131) }, + { COEF_CONST(0.5336171261), COEF_CONST(0.5226637762), COEF_CONST(0.5033652606), COEF_CONST(0.4349162672), COEF_CONST(0.3224682122), COEF_CONST(0.0521999036), COEF_CONST(0.0521999036), COEF_CONST(0.0521999036) }, + { COEF_CONST(0.6219832023), COEF_CONST(0.6161847276), COEF_CONST(0.6057251063), COEF_CONST(0.5654342668), COEF_CONST(0.4826149915), COEF_CONST(0.1058044758), COEF_CONST(0.1058044758), COEF_CONST(0.1058044758) }, + { COEF_CONST(0.7071067657), COEF_CONST(0.7071067657), COEF_CONST(0.7071067657), COEF_CONST(0.7071067657), COEF_CONST(0.7071067657), COEF_CONST(0.7071067657), COEF_CONST(0.7071067657), COEF_CONST(0.7071067657) }, + { COEF_CONST(0.7830305572), COEF_CONST(0.7876016373), COEF_CONST(0.7956739618), COEF_CONST(0.8247933372), COEF_CONST(0.8758325942), COEF_CONST(0.9943869542), COEF_CONST(0.9943869542), COEF_CONST(0.9943869542) }, + { COEF_CONST(0.8457261833), COEF_CONST(0.8525388778), COEF_CONST(0.8640737401), COEF_CONST(0.9004708933), COEF_CONST(0.9465802987), COEF_CONST(0.9986366532), COEF_CONST(0.9986366532), COEF_CONST(0.9986366532) }, + { COEF_CONST(0.8940022267), COEF_CONST(0.9009412572), COEF_CONST(0.9121477564), COEF_CONST(0.9431839770), COEF_CONST(0.9739696219), COEF_CONST(0.9994417480), COEF_CONST(0.9994417480), COEF_CONST(0.9994417480) }, + { COEF_CONST(0.9290818561), COEF_CONST(0.9349525662), COEF_CONST(0.9440420138), COEF_CONST(0.9667755833), COEF_CONST(0.9860247275), COEF_CONST(0.9997206664), COEF_CONST(0.9997206664), COEF_CONST(0.9997206664) }, + { COEF_CONST(0.9534625907), COEF_CONST(0.9579148236), COEF_CONST(0.9645845234), COEF_CONST(0.9801095128), COEF_CONST(0.9920207064), COEF_CONST(0.9998458099), COEF_CONST(0.9998458099), COEF_CONST(0.9998458099) }, + { COEF_CONST(0.9758449068), COEF_CONST(0.9784554646), COEF_CONST(0.9822404252), COEF_CONST(0.9904914275), COEF_CONST(0.9963218730), COEF_CONST(0.9999305926), COEF_CONST(0.9999305926), COEF_CONST(0.9999305926) }, + { COEF_CONST(0.9876723320), COEF_CONST(0.9890880155), COEF_CONST(0.9911036356), COEF_CONST(0.9953496173), COEF_CONST(0.9982312259), COEF_CONST(0.9999669685), COEF_CONST(0.9999669685), COEF_CONST(0.9999669685) }, + { COEF_CONST(0.9937641889), COEF_CONST(0.9945023501), COEF_CONST(0.9955433130), COEF_CONST(0.9976981117), COEF_CONST(0.9991315558), COEF_CONST(0.9999838610), COEF_CONST(0.9999838610), COEF_CONST(0.9999838610) }, + { COEF_CONST(0.9968600642), COEF_CONST(0.9972374385), COEF_CONST(0.9977670024), COEF_CONST(0.9988535464), COEF_CONST(0.9995691924), COEF_CONST(0.9999920129), COEF_CONST(0.9999920129), COEF_CONST(0.9999920129) }, + { COEF_CONST(0.9984226014), COEF_CONST(0.9986136287), COEF_CONST(0.9988810254), COEF_CONST(0.9994272242), COEF_CONST(0.9997851906), COEF_CONST(0.9999960221), COEF_CONST(0.9999960221), COEF_CONST(0.9999960221) }, + { COEF_CONST(0.9995003746), COEF_CONST(0.9995611974), COEF_CONST(0.9996461891), COEF_CONST(0.9998192657), COEF_CONST(0.9999323103), COEF_CONST(0.9999987475), COEF_CONST(0.9999987475), COEF_CONST(0.9999987475) }, + { COEF_CONST(0.9998419236), COEF_CONST(0.9998611991), COEF_CONST(0.9998881193), COEF_CONST(0.9999428861), COEF_CONST(0.9999786185), COEF_CONST(0.9999996045), COEF_CONST(0.9999996045), COEF_CONST(0.9999996045) }, + { COEF_CONST(0.9999500038), COEF_CONST(0.9999561034), COEF_CONST(0.9999646206), COEF_CONST(0.9999819429), COEF_CONST(0.9999932409), COEF_CONST(0.9999998750), COEF_CONST(0.9999998750), COEF_CONST(0.9999998750) }, + { COEF_CONST(0.9999841890), COEF_CONST(0.9999861183), COEF_CONST(0.9999888121), COEF_CONST(0.9999942902), COEF_CONST(0.9999978628), COEF_CONST(0.9999999605), COEF_CONST(0.9999999605), COEF_CONST(0.9999999605) }, + { COEF_CONST(0.9999950000), COEF_CONST(0.9999956102), COEF_CONST(0.9999964621), COEF_CONST(0.9999981945), COEF_CONST(0.9999993242), COEF_CONST(0.9999999875), COEF_CONST(0.9999999875), COEF_CONST(0.9999999875) } + }; + + static const real_t cos_gammas_normal[][8] = { + { COEF_CONST(1.0000000000), COEF_CONST(0.9841239707), COEF_CONST(0.9594738226), COEF_CONST(0.8946843024), COEF_CONST(0.8269341029), COEF_CONST(0.7245688486), COEF_CONST(0.7245688486), COEF_CONST(0.7245688486) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9849690570), COEF_CONST(0.9617776789), COEF_CONST(0.9020941550), COEF_CONST(0.8436830391), COEF_CONST(0.7846832804), COEF_CONST(0.7846832804), COEF_CONST(0.7846832804) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9871656089), COEF_CONST(0.9676774734), COEF_CONST(0.9199102884), COEF_CONST(0.8785067015), COEF_CONST(0.8464232214), COEF_CONST(0.8464232214), COEF_CONST(0.8464232214) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9913533967), COEF_CONST(0.9786000177), COEF_CONST(0.9496063381), COEF_CONST(0.9277157252), COEF_CONST(0.9133354077), COEF_CONST(0.9133354077), COEF_CONST(0.9133354077) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9948924435), COEF_CONST(0.9875319180), COEF_CONST(0.9716329849), COEF_CONST(0.9604805241), COEF_CONST(0.9535949574), COEF_CONST(0.9535949574), COEF_CONST(0.9535949574) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9977406278), COEF_CONST(0.9945423840), COEF_CONST(0.9878736667), COEF_CONST(0.9833980494), COEF_CONST(0.9807207440), COEF_CONST(0.9807207440), COEF_CONST(0.9807207440) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9990607067), COEF_CONST(0.9977417734), COEF_CONST(0.9950323970), COEF_CONST(0.9932453273), COEF_CONST(0.9921884740), COEF_CONST(0.9921884740), COEF_CONST(0.9921884740) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9998081748), COEF_CONST(0.9995400312), COEF_CONST(0.9989936459), COEF_CONST(0.9986365356), COEF_CONST(0.9984265591), COEF_CONST(0.9984265591), COEF_CONST(0.9984265591) } + }; + + static const real_t cos_gammas_fine[][8] = { + { COEF_CONST(1.0000000000), COEF_CONST(0.9841239707), COEF_CONST(0.9594738226), COEF_CONST(0.8946843024), COEF_CONST(0.8269341029), COEF_CONST(0.7245688486), COEF_CONST(0.7245688486), COEF_CONST(0.7245688486) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9849690570), COEF_CONST(0.9617776789), COEF_CONST(0.9020941550), COEF_CONST(0.8436830391), COEF_CONST(0.7846832804), COEF_CONST(0.7846832804), COEF_CONST(0.7846832804) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9871656089), COEF_CONST(0.9676774734), COEF_CONST(0.9199102884), COEF_CONST(0.8785067015), COEF_CONST(0.8464232214), COEF_CONST(0.8464232214), COEF_CONST(0.8464232214) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9899597309), COEF_CONST(0.9750098690), COEF_CONST(0.9402333855), COEF_CONST(0.9129698759), COEF_CONST(0.8943765944), COEF_CONST(0.8943765944), COEF_CONST(0.8943765944) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9926607607), COEF_CONST(0.9819295710), COEF_CONST(0.9580160104), COEF_CONST(0.9404993670), COEF_CONST(0.9293004472), COEF_CONST(0.9293004472), COEF_CONST(0.9293004472) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9948924435), COEF_CONST(0.9875319180), COEF_CONST(0.9716329849), COEF_CONST(0.9604805241), COEF_CONST(0.9535949574), COEF_CONST(0.9535949574), COEF_CONST(0.9535949574) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9972074644), COEF_CONST(0.9932414270), COEF_CONST(0.9849197629), COEF_CONST(0.9792926592), COEF_CONST(0.9759092525), COEF_CONST(0.9759092525), COEF_CONST(0.9759092525) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9985361982), COEF_CONST(0.9964742028), COEF_CONST(0.9922136306), COEF_CONST(0.9893845420), COEF_CONST(0.9877041371), COEF_CONST(0.9877041371), COEF_CONST(0.9877041371) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9992494366), COEF_CONST(0.9981967170), COEF_CONST(0.9960386625), COEF_CONST(0.9946185834), COEF_CONST(0.9937800239), COEF_CONST(0.9937800239), COEF_CONST(0.9937800239) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9996194722), COEF_CONST(0.9990869422), COEF_CONST(0.9979996269), COEF_CONST(0.9972873651), COEF_CONST(0.9968679747), COEF_CONST(0.9968679747), COEF_CONST(0.9968679747) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9998081748), COEF_CONST(0.9995400312), COEF_CONST(0.9989936459), COEF_CONST(0.9986365356), COEF_CONST(0.9984265591), COEF_CONST(0.9984265591), COEF_CONST(0.9984265591) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9999390971), COEF_CONST(0.9998540271), COEF_CONST(0.9996809352), COEF_CONST(0.9995679735), COEF_CONST(0.9995016284), COEF_CONST(0.9995016284), COEF_CONST(0.9995016284) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9999807170), COEF_CONST(0.9999537862), COEF_CONST(0.9998990191), COEF_CONST(0.9998632947), COEF_CONST(0.9998423208), COEF_CONST(0.9998423208), COEF_CONST(0.9998423208) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9999938979), COEF_CONST(0.9999853814), COEF_CONST(0.9999680568), COEF_CONST(0.9999567596), COEF_CONST(0.9999501270), COEF_CONST(0.9999501270), COEF_CONST(0.9999501270) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9999980703), COEF_CONST(0.9999953731), COEF_CONST(0.9999898968), COEF_CONST(0.9999863277), COEF_CONST(0.9999842265), COEF_CONST(0.9999842265), COEF_CONST(0.9999842265) }, + { COEF_CONST(1.0000000000), COEF_CONST(0.9999993891), COEF_CONST(0.9999985397), COEF_CONST(0.9999968037), COEF_CONST(0.9999956786), COEF_CONST(0.9999950155), COEF_CONST(0.9999950155), COEF_CONST(0.9999950155) } + }; + + static const real_t sin_gammas_normal[][8] = { + { COEF_CONST(0.0000000000), COEF_CONST(0.1774824223), COEF_CONST(0.2817977711), COEF_CONST(0.4466990028), COEF_CONST(0.5622988435), COEF_CONST(0.6892024258), COEF_CONST(0.6892024258), COEF_CONST(0.6892024258) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.1727308798), COEF_CONST(0.2738315110), COEF_CONST(0.4315392630), COEF_CONST(0.5368416242), COEF_CONST(0.6198968861), COEF_CONST(0.6198968861), COEF_CONST(0.6198968861) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.1596999079), COEF_CONST(0.2521910140), COEF_CONST(0.3921288836), COEF_CONST(0.4777300236), COEF_CONST(0.5325107795), COEF_CONST(0.5325107795), COEF_CONST(0.5325107795) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.1312190642), COEF_CONST(0.2057717310), COEF_CONST(0.3134450552), COEF_CONST(0.3732874674), COEF_CONST(0.4072080955), COEF_CONST(0.4072080955), COEF_CONST(0.4072080955) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.1009407043), COEF_CONST(0.1574189028), COEF_CONST(0.2364938532), COEF_CONST(0.2783471983), COEF_CONST(0.3010924396), COEF_CONST(0.3010924396), COEF_CONST(0.3010924396) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.0671836269), COEF_CONST(0.1043333428), COEF_CONST(0.1552598422), COEF_CONST(0.1814615013), COEF_CONST(0.1954144885), COEF_CONST(0.1954144885), COEF_CONST(0.1954144885) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.0433324862), COEF_CONST(0.0671666110), COEF_CONST(0.0995516398), COEF_CONST(0.1160332699), COEF_CONST(0.1247478739), COEF_CONST(0.1247478739), COEF_CONST(0.1247478739) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.0195860576), COEF_CONST(0.0303269852), COEF_CONST(0.0448519274), COEF_CONST(0.0522022017), COEF_CONST(0.0560750040), COEF_CONST(0.0560750040), COEF_CONST(0.0560750040) } + }; + + static const real_t sin_gammas_fine[][8] = { + { COEF_CONST(0.0000000000), COEF_CONST(0.1774824223), COEF_CONST(0.2817977711), COEF_CONST(0.4466990028), COEF_CONST(0.5622988435), COEF_CONST(0.6892024258), COEF_CONST(0.6892024258), COEF_CONST(0.6892024258) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.1727308798), COEF_CONST(0.2738315110), COEF_CONST(0.4315392630), COEF_CONST(0.5368416242), COEF_CONST(0.6198968861), COEF_CONST(0.6198968861), COEF_CONST(0.6198968861) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.1596999079), COEF_CONST(0.2521910140), COEF_CONST(0.3921288836), COEF_CONST(0.4777300236), COEF_CONST(0.5325107795), COEF_CONST(0.5325107795), COEF_CONST(0.5325107795) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.1413496768), COEF_CONST(0.2221615526), COEF_CONST(0.3405307340), COEF_CONST(0.4080269669), COEF_CONST(0.4473147744), COEF_CONST(0.4473147744), COEF_CONST(0.4473147744) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.1209322714), COEF_CONST(0.1892467110), COEF_CONST(0.2867147079), COEF_CONST(0.3397954394), COEF_CONST(0.3693246252), COEF_CONST(0.3693246252), COEF_CONST(0.3693246252) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.1009407043), COEF_CONST(0.1574189028), COEF_CONST(0.2364938532), COEF_CONST(0.2783471983), COEF_CONST(0.3010924396), COEF_CONST(0.3010924396), COEF_CONST(0.3010924396) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.0746811420), COEF_CONST(0.1160666523), COEF_CONST(0.1730117353), COEF_CONST(0.2024497161), COEF_CONST(0.2181768341), COEF_CONST(0.2181768341), COEF_CONST(0.2181768341) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.0540875291), COEF_CONST(0.0838997203), COEF_CONST(0.1245476266), COEF_CONST(0.1453211203), COEF_CONST(0.1563346972), COEF_CONST(0.1563346972), COEF_CONST(0.1563346972) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.0387371058), COEF_CONST(0.0600276114), COEF_CONST(0.0889212171), COEF_CONST(0.1036044086), COEF_CONST(0.1113609634), COEF_CONST(0.1113609634), COEF_CONST(0.1113609634) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.0275846110), COEF_CONST(0.0427233177), COEF_CONST(0.0632198125), COEF_CONST(0.0736064637), COEF_CONST(0.0790837596), COEF_CONST(0.0790837596), COEF_CONST(0.0790837596) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.0195860576), COEF_CONST(0.0303269852), COEF_CONST(0.0448519274), COEF_CONST(0.0522022017), COEF_CONST(0.0560750040), COEF_CONST(0.0560750040), COEF_CONST(0.0560750040) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.0110363955), COEF_CONST(0.0170857974), COEF_CONST(0.0252592108), COEF_CONST(0.0293916021), COEF_CONST(0.0315673054), COEF_CONST(0.0315673054), COEF_CONST(0.0315673054) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.0062101284), COEF_CONST(0.0096138203), COEF_CONST(0.0142109649), COEF_CONST(0.0165345659), COEF_CONST(0.0177576316), COEF_CONST(0.0177576316), COEF_CONST(0.0177576316) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.0034934509), COEF_CONST(0.0054071189), COEF_CONST(0.0079928316), COEF_CONST(0.0092994041), COEF_CONST(0.0099871631), COEF_CONST(0.0099871631), COEF_CONST(0.0099871631) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.0019645397), COEF_CONST(0.0030419905), COEF_CONST(0.0044951511), COEF_CONST(0.0052291853), COEF_CONST(0.0056166498), COEF_CONST(0.0056166498), COEF_CONST(0.0056166498) }, + { COEF_CONST(0.0000000000), COEF_CONST(0.0011053943), COEF_CONST(0.0017089869), COEF_CONST(0.0025283670), COEF_CONST(0.0029398552), COEF_CONST(0.0031573685), COEF_CONST(0.0031573685), COEF_CONST(0.0031573685) } + }; + + static const real_t sf_iid_normal[] = { + COEF_CONST(1.4119827747), COEF_CONST(1.4031381607), COEF_CONST(1.3868767023), + COEF_CONST(1.3483997583), COEF_CONST(1.2912493944), COEF_CONST(1.1960374117), + COEF_CONST(1.1073724031), COEF_CONST(1.0000000000), COEF_CONST(0.8796171546), + COEF_CONST(0.7546485662), COEF_CONST(0.5767799020), COEF_CONST(0.4264014363), + COEF_CONST(0.2767182887), COEF_CONST(0.1766446233), COEF_CONST(0.0794016272) + }; + + static const real_t sf_iid_fine[] = { + COEF_CONST(1.4142065048), COEF_CONST(1.4141912460), COEF_CONST(1.4141428471), + COEF_CONST(1.4139900208), COEF_CONST(1.4135069847), COEF_CONST(1.4119827747), + COEF_CONST(1.4097729921), COEF_CONST(1.4053947926), COEF_CONST(1.3967796564), + COEF_CONST(1.3800530434), COEF_CONST(1.3483997583), COEF_CONST(1.3139201403), + COEF_CONST(1.2643101215), COEF_CONST(1.1960374117), COEF_CONST(1.1073724031), + COEF_CONST(1.0000000000), COEF_CONST(0.8796171546), COEF_CONST(0.7546485662), + COEF_CONST(0.6336560845), COEF_CONST(0.5230810642), COEF_CONST(0.4264014363), + COEF_CONST(0.3089554012), COEF_CONST(0.2213746458), COEF_CONST(0.1576878875), + COEF_CONST(0.1119822487), COEF_CONST(0.0794016272), COEF_CONST(0.0446990170), + COEF_CONST(0.0251446925), COEF_CONST(0.0141414283), COEF_CONST(0.0079525812), + COEF_CONST(0.0044721137) + }; + +#ifdef __cplusplus +} +#endif +#endif + diff --git a/audio_codec/libfaad/pulse.c b/audio_codec/libfaad/pulse.c new file mode 100644 index 0000000..feefe3b --- a/dev/null +++ b/audio_codec/libfaad/pulse.c @@ -0,0 +1,59 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: pulse.c,v 1.21 2007/11/01 12:33:34 menno Exp $ +**/ +#include "common.h" +#include "structs.h" + +#include "syntax.h" +#include "pulse.h" + +uint8_t pulse_decode(ic_stream *ics, int16_t *spec_data, uint16_t framelen) +{ + uint8_t i; + uint16_t k; + pulse_info *pul = &(ics->pul); + + k = min(ics->swb_offset[pul->pulse_start_sfb], ics->swb_offset_max); + + for (i = 0; i <= pul->number_pulse; i++) { + k += pul->pulse_offset[i]; + + if (k >= framelen) { + return 15; /* should not be possible */ + } + + if (spec_data[k] > 0) { + spec_data[k] += pul->pulse_amp[i]; + } else { + spec_data[k] -= pul->pulse_amp[i]; + } + } + + return 0; +} diff --git a/audio_codec/libfaad/pulse.h b/audio_codec/libfaad/pulse.h new file mode 100644 index 0000000..e74409c --- a/dev/null +++ b/audio_codec/libfaad/pulse.h @@ -0,0 +1,43 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: pulse.h,v 1.20 2007/11/01 12:33:34 menno Exp $ +**/ + +#ifndef __PULSE_H__ +#define __PULSE_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + uint8_t pulse_decode(ic_stream *ics, int16_t *spec_coef, uint16_t framelen); + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/rvlc.c b/audio_codec/libfaad/rvlc.c new file mode 100644 index 0000000..156bc00 --- a/dev/null +++ b/audio_codec/libfaad/rvlc.c @@ -0,0 +1,524 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: rvlc.c,v 1.21 2007/11/01 12:33:34 menno Exp $ +**/ + +/* RVLC scalefactor decoding + * + * RVLC works like this: + * 1. Only symmetric huffman codewords are used + * 2. Total length of the scalefactor data is stored in the bitsream + * 3. Scalefactors are DPCM coded + * 4. Next to the starting value for DPCM the ending value is also stored + * + * With all this it is possible to read the scalefactor data from 2 sides. + * If there is a bit error in the scalefactor data it is possible to start + * decoding from the other end of the data, to find all but 1 scalefactor. + */ +#include +#include "common.h" +#include "structs.h" + + +#include "syntax.h" +#include "bits.h" +#include "rvlc.h" + + +#ifdef ERROR_RESILIENCE + +//#define PRINT_RVLC + +/* static function declarations */ +static uint8_t rvlc_decode_sf_forward(ic_stream *ics, + bitfile *ld_sf, + bitfile *ld_esc, + uint8_t *is_used); +#if 0 +static uint8_t rvlc_decode_sf_reverse(ic_stream *ics, + bitfile *ld_sf, + bitfile *ld_esc, + uint8_t is_used); +#endif +static int8_t rvlc_huffman_sf(bitfile *ld_sf, bitfile *ld_esc, + int8_t direction); +static int8_t rvlc_huffman_esc(bitfile *ld_esc, int8_t direction); + + +uint8_t rvlc_scale_factor_data(ic_stream *ics, bitfile *ld) +{ + uint8_t bits = 9; + + ics->sf_concealment = faad_get1bit(ld + DEBUGVAR(1, 149, "rvlc_scale_factor_data(): sf_concealment")); + ics->rev_global_gain = (uint8_t)faad_getbits(ld, 8 + DEBUGVAR(1, 150, "rvlc_scale_factor_data(): rev_global_gain")); + + if (ics->window_sequence == EIGHT_SHORT_SEQUENCE) { + bits = 11; + } + + /* the number of bits used for the huffman codewords */ + ics->length_of_rvlc_sf = (uint16_t)faad_getbits(ld, bits + DEBUGVAR(1, 151, "rvlc_scale_factor_data(): length_of_rvlc_sf")); + + if (ics->noise_used) { + ics->dpcm_noise_nrg = (uint16_t)faad_getbits(ld, 9 + DEBUGVAR(1, 152, "rvlc_scale_factor_data(): dpcm_noise_nrg")); + + ics->length_of_rvlc_sf -= 9; + } + + ics->sf_escapes_present = faad_get1bit(ld + DEBUGVAR(1, 153, "rvlc_scale_factor_data(): sf_escapes_present")); + + if (ics->sf_escapes_present) { + ics->length_of_rvlc_escapes = (uint8_t)faad_getbits(ld, 8 + DEBUGVAR(1, 154, "rvlc_scale_factor_data(): length_of_rvlc_escapes")); + } + + if (ics->noise_used) { + ics->dpcm_noise_last_position = (uint16_t)faad_getbits(ld, 9 + DEBUGVAR(1, 155, "rvlc_scale_factor_data(): dpcm_noise_last_position")); + } + + return 0; +} + +uint8_t rvlc_decode_scale_factors(ic_stream *ics, bitfile *ld) +{ + uint8_t result; + uint8_t intensity_used = 0; + uint8_t *rvlc_sf_buffer = NULL; + uint8_t *rvlc_esc_buffer = NULL; + bitfile ld_rvlc_sf, ld_rvlc_esc; + // bitfile ld_rvlc_sf_rev, ld_rvlc_esc_rev; + + if (ics->length_of_rvlc_sf > 0) { + /* We read length_of_rvlc_sf bits here to put it in a + seperate bitfile. + */ + rvlc_sf_buffer = faad_getbitbuffer(ld, ics->length_of_rvlc_sf + DEBUGVAR(1, 156, "rvlc_decode_scale_factors(): bitbuffer: length_of_rvlc_sf")); + + faad_initbits(&ld_rvlc_sf, (void*)rvlc_sf_buffer, bit2byte(ics->length_of_rvlc_sf)); + // faad_initbits_rev(&ld_rvlc_sf_rev, (void*)rvlc_sf_buffer, + // ics->length_of_rvlc_sf); + } + + if (ics->sf_escapes_present) { + /* We read length_of_rvlc_escapes bits here to put it in a + seperate bitfile. + */ + rvlc_esc_buffer = faad_getbitbuffer(ld, ics->length_of_rvlc_escapes + DEBUGVAR(1, 157, "rvlc_decode_scale_factors(): bitbuffer: length_of_rvlc_escapes")); + + faad_initbits(&ld_rvlc_esc, (void*)rvlc_esc_buffer, bit2byte(ics->length_of_rvlc_escapes)); + // faad_initbits_rev(&ld_rvlc_esc_rev, (void*)rvlc_esc_buffer, + // ics->length_of_rvlc_escapes); + } + + /* decode the rvlc scale factors and escapes */ + result = rvlc_decode_sf_forward(ics, &ld_rvlc_sf, + &ld_rvlc_esc, &intensity_used); + // result = rvlc_decode_sf_reverse(ics, &ld_rvlc_sf_rev, + // &ld_rvlc_esc_rev, intensity_used); + + + if (rvlc_esc_buffer) { + faad_free(rvlc_esc_buffer); + } + if (rvlc_sf_buffer) { + faad_free(rvlc_sf_buffer); + } + + if (ics->length_of_rvlc_sf > 0) { + faad_endbits(&ld_rvlc_sf); + } + if (ics->sf_escapes_present) { + faad_endbits(&ld_rvlc_esc); + } + + return result; +} + +static uint8_t rvlc_decode_sf_forward(ic_stream *ics, bitfile *ld_sf, bitfile *ld_esc, + uint8_t *intensity_used) +{ + int8_t g, sfb; + int8_t t = 0; + int8_t error = 0; + int8_t noise_pcm_flag = 1; + + int16_t scale_factor = ics->global_gain; + int16_t is_position = 0; + int16_t noise_energy = ics->global_gain - 90 - 256; + +#ifdef PRINT_RVLC + printf("\nglobal_gain: %d\n", ics->global_gain); +#endif + + for (g = 0; g < ics->num_window_groups; g++) { + for (sfb = 0; sfb < ics->max_sfb; sfb++) { + if (error) { + ics->scale_factors[g][sfb] = 0; + } else { + switch (ics->sfb_cb[g][sfb]) { + case ZERO_HCB: /* zero book */ + ics->scale_factors[g][sfb] = 0; + break; + case INTENSITY_HCB: /* intensity books */ + case INTENSITY_HCB2: + + *intensity_used = 1; + + /* decode intensity position */ + t = rvlc_huffman_sf(ld_sf, ld_esc, +1); + + is_position += t; + ics->scale_factors[g][sfb] = is_position; + + break; + case NOISE_HCB: /* noise books */ + + /* decode noise energy */ + if (noise_pcm_flag) { + int16_t n = ics->dpcm_noise_nrg; + noise_pcm_flag = 0; + noise_energy += n; + } else { + t = rvlc_huffman_sf(ld_sf, ld_esc, +1); + noise_energy += t; + } + + ics->scale_factors[g][sfb] = noise_energy; + + break; + default: /* spectral books */ + + /* decode scale factor */ + t = rvlc_huffman_sf(ld_sf, ld_esc, +1); + + scale_factor += t; + if (scale_factor < 0) { + return 4; + } + + ics->scale_factors[g][sfb] = scale_factor; + + break; + } +#ifdef PRINT_RVLC + printf("%3d:%4d%4d\n", sfb, ics->sfb_cb[g][sfb], + ics->scale_factors[g][sfb]); +#endif + if (t == 99) { + error = 1; + } + } + } + } +#ifdef PRINT_RVLC + printf("\n\n"); +#endif + + return 0; +} + +#if 0 // not used right now, doesn't work correctly yet +static uint8_t rvlc_decode_sf_reverse(ic_stream *ics, bitfile *ld_sf, bitfile *ld_esc, + uint8_t intensity_used) +{ + int8_t g, sfb; + int8_t t = 0; + int8_t error = 0; + int8_t noise_pcm_flag = 1, is_pcm_flag = 1, sf_pcm_flag = 1; + + int16_t scale_factor = ics->rev_global_gain; + int16_t is_position = 0; + int16_t noise_energy = ics->rev_global_gain; + +#ifdef PRINT_RVLC + printf("\nrev_global_gain: %d\n", ics->rev_global_gain); +#endif + + if (intensity_used) { + is_position = rvlc_huffman_sf(ld_sf, ld_esc, -1); +#ifdef PRINT_RVLC + printf("is_position: %d\n", is_position); +#endif + } + + for (g = ics->num_window_groups - 1; g >= 0; g--) { + for (sfb = ics->max_sfb - 1; sfb >= 0; sfb--) { + if (error) { + ics->scale_factors[g][sfb] = 0; + } else { + switch (ics->sfb_cb[g][sfb]) { + case ZERO_HCB: /* zero book */ + ics->scale_factors[g][sfb] = 0; + break; + case INTENSITY_HCB: /* intensity books */ + case INTENSITY_HCB2: + + if (is_pcm_flag) { + is_pcm_flag = 0; + ics->scale_factors[g][sfb] = is_position; + } else { + t = rvlc_huffman_sf(ld_sf, ld_esc, -1); + is_position -= t; + + ics->scale_factors[g][sfb] = (uint8_t)is_position; + } + break; + case NOISE_HCB: /* noise books */ + + /* decode noise energy */ + if (noise_pcm_flag) { + noise_pcm_flag = 0; + noise_energy = ics->dpcm_noise_last_position; + } else { + t = rvlc_huffman_sf(ld_sf, ld_esc, -1); + noise_energy -= t; + } + + ics->scale_factors[g][sfb] = (uint8_t)noise_energy; + break; + default: /* spectral books */ + + if (sf_pcm_flag || (sfb == 0)) { + sf_pcm_flag = 0; + if (sfb == 0) { + scale_factor = ics->global_gain; + } + } else { + /* decode scale factor */ + t = rvlc_huffman_sf(ld_sf, ld_esc, -1); + scale_factor -= t; + } + + if (scale_factor < 0) { + return 4; + } + + ics->scale_factors[g][sfb] = (uint8_t)scale_factor; + break; + } +#ifdef PRINT_RVLC + printf("%3d:%4d%4d\n", sfb, ics->sfb_cb[g][sfb], + ics->scale_factors[g][sfb]); +#endif + if (t == 99) { + error = 1; + } + } + } + } + +#ifdef PRINT_RVLC + printf("\n\n"); +#endif + + return 0; +} +#endif + +/* index == 99 means not allowed codeword */ +static rvlc_huff_table book_rvlc[] = { + /*index length codeword */ + { 0, 1, 0 }, /* 0 */ + { -1, 3, 5 }, /* 101 */ + { 1, 3, 7 }, /* 111 */ + { -2, 4, 9 }, /* 1001 */ + { -3, 5, 17 }, /* 10001 */ + { 2, 5, 27 }, /* 11011 */ + { -4, 6, 33 }, /* 100001 */ + { 99, 6, 50 }, /* 110010 */ + { 3, 6, 51 }, /* 110011 */ + { 99, 6, 52 }, /* 110100 */ + { -7, 7, 65 }, /* 1000001 */ + { 99, 7, 96 }, /* 1100000 */ + { 99, 7, 98 }, /* 1100010 */ + { 7, 7, 99 }, /* 1100011 */ + { 4, 7, 107 }, /* 1101011 */ + { -5, 8, 129 }, /* 10000001 */ + { 99, 8, 194 }, /* 11000010 */ + { 5, 8, 195 }, /* 11000011 */ + { 99, 8, 212 }, /* 11010100 */ + { 99, 9, 256 }, /* 100000000 */ + { -6, 9, 257 }, /* 100000001 */ + { 99, 9, 426 }, /* 110101010 */ + { 6, 9, 427 }, /* 110101011 */ + { 99, 10, 0 } /* Shouldn't come this far */ +}; + +static rvlc_huff_table book_escape[] = { + /*index length codeword */ + { 1, 2, 0 }, + { 0, 2, 2 }, + { 3, 3, 2 }, + { 2, 3, 6 }, + { 4, 4, 14 }, + { 7, 5, 13 }, + { 6, 5, 15 }, + { 5, 5, 31 }, + { 11, 6, 24 }, + { 10, 6, 25 }, + { 9, 6, 29 }, + { 8, 6, 61 }, + { 13, 7, 56 }, + { 12, 7, 120 }, + { 15, 8, 114 }, + { 14, 8, 242 }, + { 17, 9, 230 }, + { 16, 9, 486 }, + { 19, 10, 463 }, + { 18, 10, 974 }, + { 22, 11, 925 }, + { 20, 11, 1950 }, + { 21, 11, 1951 }, + { 23, 12, 1848 }, + { 25, 13, 3698 }, + { 24, 14, 7399 }, + { 26, 15, 14797 }, + { 49, 19, 236736 }, + { 50, 19, 236737 }, + { 51, 19, 236738 }, + { 52, 19, 236739 }, + { 53, 19, 236740 }, + { 27, 20, 473482 }, + { 28, 20, 473483 }, + { 29, 20, 473484 }, + { 30, 20, 473485 }, + { 31, 20, 473486 }, + { 32, 20, 473487 }, + { 33, 20, 473488 }, + { 34, 20, 473489 }, + { 35, 20, 473490 }, + { 36, 20, 473491 }, + { 37, 20, 473492 }, + { 38, 20, 473493 }, + { 39, 20, 473494 }, + { 40, 20, 473495 }, + { 41, 20, 473496 }, + { 42, 20, 473497 }, + { 43, 20, 473498 }, + { 44, 20, 473499 }, + { 45, 20, 473500 }, + { 46, 20, 473501 }, + { 47, 20, 473502 }, + { 48, 20, 473503 }, + { 99, 21, 0 } /* Shouldn't come this far */ +}; + +static int8_t rvlc_huffman_sf(bitfile *ld_sf, bitfile *ld_esc, + int8_t direction) +{ + uint8_t i, j; + int8_t index; + uint32_t cw; + rvlc_huff_table *h = book_rvlc; + + i = h->len; + if (direction > 0) { + cw = faad_getbits(ld_sf, i DEBUGVAR(1, 0, "")); + } else { + cw = faad_getbits_rev(ld_sf, i DEBUGVAR(1, 0, "")); + } + + while ((cw != h->cw) + && (i < 10)) { + h++; + j = h->len - i; + i += j; + cw <<= j; + if (direction > 0) { + cw |= faad_getbits(ld_sf, j DEBUGVAR(1, 0, "")); + } else { + cw |= faad_getbits_rev(ld_sf, j DEBUGVAR(1, 0, "")); + } + } + + index = h->index; + + if (index == +ESC_VAL) { + int8_t esc = rvlc_huffman_esc(ld_esc, direction); + if (esc == 99) { + return 99; + } + index += esc; +#ifdef PRINT_RVLC + printf("esc: %d - ", esc); +#endif + } + if (index == -ESC_VAL) { + int8_t esc = rvlc_huffman_esc(ld_esc, direction); + if (esc == 99) { + return 99; + } + index -= esc; +#ifdef PRINT_RVLC + printf("esc: %d - ", esc); +#endif + } + + return index; +} + +static int8_t rvlc_huffman_esc(bitfile *ld, + int8_t direction) +{ + uint8_t i, j; + uint32_t cw; + rvlc_huff_table *h = book_escape; + + i = h->len; + if (direction > 0) { + cw = faad_getbits(ld, i DEBUGVAR(1, 0, "")); + } else { + cw = faad_getbits_rev(ld, i DEBUGVAR(1, 0, "")); + } + + while ((cw != h->cw) + && (i < 21)) { + h++; + j = h->len - i; + i += j; + cw <<= j; + if (direction > 0) { + cw |= faad_getbits(ld, j DEBUGVAR(1, 0, "")); + } else { + cw |= faad_getbits_rev(ld, j DEBUGVAR(1, 0, "")); + } + } + + return h->index; +} + +#endif + diff --git a/audio_codec/libfaad/rvlc.h b/audio_codec/libfaad/rvlc.h new file mode 100644 index 0000000..3ed0e9c --- a/dev/null +++ b/audio_codec/libfaad/rvlc.h @@ -0,0 +1,55 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: rvlc.h,v 1.17 2007/11/01 12:33:34 menno Exp $ +**/ + +#ifndef __RVLC_SCF_H__ +#define __RVLC_SCF_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + typedef struct { + int8_t index; + uint8_t len; + uint32_t cw; + } rvlc_huff_table; + + +#define ESC_VAL 7 + + + uint8_t rvlc_scale_factor_data(ic_stream *ics, bitfile *ld); + uint8_t rvlc_decode_scale_factors(ic_stream *ics, bitfile *ld); + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/sbr_dct.c b/audio_codec/libfaad/sbr_dct.c new file mode 100644 index 0000000..1f1ca7a --- a/dev/null +++ b/audio_codec/libfaad/sbr_dct.c @@ -0,0 +1,2267 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_dct.c,v 1.20 2007/11/01 12:33:34 menno Exp $ +**/ + + +/* Most of the DCT/DST codes here are generated using Spiral which is GPL + * For more info see: http://www.spiral.net/ + */ + +#include "common.h" + +#ifdef SBR_DEC + +#ifdef _MSC_VER +#pragma warning(disable:4305) +#pragma warning(disable:4244) +#endif + + +#include "sbr_dct.h" + +void DCT4_32(real_t *y, real_t *x) +{ + real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10; + real_t f11, f12, f13, f14, f15, f16, f17, f18, f19, f20; + real_t f21, f22, f23, f24, f25, f26, f27, f28, f29, f30; + real_t f31, f32, f33, f34, f35, f36, f37, f38, f39, f40; + real_t f41, f42, f43, f44, f45, f46, f47, f48, f49, f50; + real_t f51, f52, f53, f54, f55, f56, f57, f58, f59, f60; + real_t f61, f62, f63, f64, f65, f66, f67, f68, f69, f70; + real_t f71, f72, f73, f74, f75, f76, f77, f78, f79, f80; + real_t f81, f82, f83, f84, f85, f86, f87, f88, f89, f90; + real_t f91, f92, f93, f94, f95, f96, f97, f98, f99, f100; + real_t f101, f102, f103, f104, f105, f106, f107, f108, f109, f110; + real_t f111, f112, f113, f114, f115, f116, f117, f118, f119, f120; + real_t f121, f122, f123, f124, f125, f126, f127, f128, f129, f130; + real_t f131, f132, f133, f134, f135, f136, f137, f138, f139, f140; + real_t f141, f142, f143, f144, f145, f146, f147, f148, f149, f150; + real_t f151, f152, f153, f154, f155, f156, f157, f158, f159, f160; + real_t f161, f162, f163, f164, f165, f166, f167, f168, f169, f170; + real_t f171, f172, f173, f174, f175, f176, f177, f178, f179, f180; + real_t f181, f182, f183, f184, f185, f186, f187, f188, f189, f190; + real_t f191, f192, f193, f194, f195, f196, f197, f198, f199, f200; + real_t f201, f202, f203, f204, f205, f206, f207, f208, f209, f210; + real_t f211, f212, f213, f214, f215, f216, f217, f218, f219, f220; + real_t f221, f222, f223, f224, f225, f226, f227, f228, f229, f230; + real_t f231, f232, f233, f234, f235, f236, f237, f238, f239, f240; + real_t f241, f242, f243, f244, f245, f246, f247, f248, f249, f250; + real_t f251, f252, f253, f254, f255, f256, f257, f258, f259, f260; + real_t f261, f262, f263, f264, f265, f266, f267, f268, f269, f270; + real_t f271, f272, f273, f274, f275, f276, f277, f278, f279, f280; + real_t f281, f282, f283, f284, f285, f286, f287, f288, f289, f290; + real_t f291, f292, f293, f294, f295, f296, f297, f298, f299, f300; + real_t f301, f302, f303, f304, f305, f306, f307, f310, f311, f312; + real_t f313, f316, f317, f318, f319, f322, f323, f324, f325, f328; + real_t f329, f330, f331, f334, f335, f336, f337, f340, f341, f342; + real_t f343, f346, f347, f348, f349, f352, f353, f354, f355, f358; + real_t f359, f360, f361, f364, f365, f366, f367, f370, f371, f372; + real_t f373, f376, f377, f378, f379, f382, f383, f384, f385, f388; + real_t f389, f390, f391, f394, f395, f396, f397; + + f0 = x[15] - x[16]; + f1 = x[15] + x[16]; + f2 = MUL_F(FRAC_CONST(0.7071067811865476), f1); + f3 = MUL_F(FRAC_CONST(0.7071067811865476), f0); + f4 = x[8] - x[23]; + f5 = x[8] + x[23]; + f6 = MUL_F(FRAC_CONST(0.7071067811865476), f5); + f7 = MUL_F(FRAC_CONST(0.7071067811865476), f4); + f8 = x[12] - x[19]; + f9 = x[12] + x[19]; + f10 = MUL_F(FRAC_CONST(0.7071067811865476), f9); + f11 = MUL_F(FRAC_CONST(0.7071067811865476), f8); + f12 = x[11] - x[20]; + f13 = x[11] + x[20]; + f14 = MUL_F(FRAC_CONST(0.7071067811865476), f13); + f15 = MUL_F(FRAC_CONST(0.7071067811865476), f12); + f16 = x[14] - x[17]; + f17 = x[14] + x[17]; + f18 = MUL_F(FRAC_CONST(0.7071067811865476), f17); + f19 = MUL_F(FRAC_CONST(0.7071067811865476), f16); + f20 = x[9] - x[22]; + f21 = x[9] + x[22]; + f22 = MUL_F(FRAC_CONST(0.7071067811865476), f21); + f23 = MUL_F(FRAC_CONST(0.7071067811865476), f20); + f24 = x[13] - x[18]; + f25 = x[13] + x[18]; + f26 = MUL_F(FRAC_CONST(0.7071067811865476), f25); + f27 = MUL_F(FRAC_CONST(0.7071067811865476), f24); + f28 = x[10] - x[21]; + f29 = x[10] + x[21]; + f30 = MUL_F(FRAC_CONST(0.7071067811865476), f29); + f31 = MUL_F(FRAC_CONST(0.7071067811865476), f28); + f32 = x[0] - f2; + f33 = x[0] + f2; + f34 = x[31] - f3; + f35 = x[31] + f3; + f36 = x[7] - f6; + f37 = x[7] + f6; + f38 = x[24] - f7; + f39 = x[24] + f7; + f40 = x[3] - f10; + f41 = x[3] + f10; + f42 = x[28] - f11; + f43 = x[28] + f11; + f44 = x[4] - f14; + f45 = x[4] + f14; + f46 = x[27] - f15; + f47 = x[27] + f15; + f48 = x[1] - f18; + f49 = x[1] + f18; + f50 = x[30] - f19; + f51 = x[30] + f19; + f52 = x[6] - f22; + f53 = x[6] + f22; + f54 = x[25] - f23; + f55 = x[25] + f23; + f56 = x[2] - f26; + f57 = x[2] + f26; + f58 = x[29] - f27; + f59 = x[29] + f27; + f60 = x[5] - f30; + f61 = x[5] + f30; + f62 = x[26] - f31; + f63 = x[26] + f31; + f64 = f39 + f37; + f65 = MUL_F(FRAC_CONST(-0.5411961001461969), f39); + f66 = MUL_F(FRAC_CONST(0.9238795325112867), f64); + f67 = MUL_C(COEF_CONST(1.3065629648763766), f37); + f68 = f65 + f66; + f69 = f67 - f66; + f70 = f38 + f36; + f71 = MUL_C(COEF_CONST(1.3065629648763770), f38); + f72 = MUL_F(FRAC_CONST(-0.3826834323650904), f70); + f73 = MUL_F(FRAC_CONST(0.5411961001461961), f36); + f74 = f71 + f72; + f75 = f73 - f72; + f76 = f47 + f45; + f77 = MUL_F(FRAC_CONST(-0.5411961001461969), f47); + f78 = MUL_F(FRAC_CONST(0.9238795325112867), f76); + f79 = MUL_C(COEF_CONST(1.3065629648763766), f45); + f80 = f77 + f78; + f81 = f79 - f78; + f82 = f46 + f44; + f83 = MUL_C(COEF_CONST(1.3065629648763770), f46); + f84 = MUL_F(FRAC_CONST(-0.3826834323650904), f82); + f85 = MUL_F(FRAC_CONST(0.5411961001461961), f44); + f86 = f83 + f84; + f87 = f85 - f84; + f88 = f55 + f53; + f89 = MUL_F(FRAC_CONST(-0.5411961001461969), f55); + f90 = MUL_F(FRAC_CONST(0.9238795325112867), f88); + f91 = MUL_C(COEF_CONST(1.3065629648763766), f53); + f92 = f89 + f90; + f93 = f91 - f90; + f94 = f54 + f52; + f95 = MUL_C(COEF_CONST(1.3065629648763770), f54); + f96 = MUL_F(FRAC_CONST(-0.3826834323650904), f94); + f97 = MUL_F(FRAC_CONST(0.5411961001461961), f52); + f98 = f95 + f96; + f99 = f97 - f96; + f100 = f63 + f61; + f101 = MUL_F(FRAC_CONST(-0.5411961001461969), f63); + f102 = MUL_F(FRAC_CONST(0.9238795325112867), f100); + f103 = MUL_C(COEF_CONST(1.3065629648763766), f61); + f104 = f101 + f102; + f105 = f103 - f102; + f106 = f62 + f60; + f107 = MUL_C(COEF_CONST(1.3065629648763770), f62); + f108 = MUL_F(FRAC_CONST(-0.3826834323650904), f106); + f109 = MUL_F(FRAC_CONST(0.5411961001461961), f60); + f110 = f107 + f108; + f111 = f109 - f108; + f112 = f33 - f68; + f113 = f33 + f68; + f114 = f35 - f69; + f115 = f35 + f69; + f116 = f32 - f74; + f117 = f32 + f74; + f118 = f34 - f75; + f119 = f34 + f75; + f120 = f41 - f80; + f121 = f41 + f80; + f122 = f43 - f81; + f123 = f43 + f81; + f124 = f40 - f86; + f125 = f40 + f86; + f126 = f42 - f87; + f127 = f42 + f87; + f128 = f49 - f92; + f129 = f49 + f92; + f130 = f51 - f93; + f131 = f51 + f93; + f132 = f48 - f98; + f133 = f48 + f98; + f134 = f50 - f99; + f135 = f50 + f99; + f136 = f57 - f104; + f137 = f57 + f104; + f138 = f59 - f105; + f139 = f59 + f105; + f140 = f56 - f110; + f141 = f56 + f110; + f142 = f58 - f111; + f143 = f58 + f111; + f144 = f123 + f121; + f145 = MUL_F(FRAC_CONST(-0.7856949583871021), f123); + f146 = MUL_F(FRAC_CONST(0.9807852804032304), f144); + f147 = MUL_C(COEF_CONST(1.1758756024193588), f121); + f148 = f145 + f146; + f149 = f147 - f146; + f150 = f127 + f125; + f151 = MUL_F(FRAC_CONST(0.2758993792829431), f127); + f152 = MUL_F(FRAC_CONST(0.5555702330196022), f150); + f153 = MUL_C(COEF_CONST(1.3870398453221475), f125); + f154 = f151 + f152; + f155 = f153 - f152; + f156 = f122 + f120; + f157 = MUL_C(COEF_CONST(1.1758756024193591), f122); + f158 = MUL_F(FRAC_CONST(-0.1950903220161287), f156); + f159 = MUL_F(FRAC_CONST(0.7856949583871016), f120); + f160 = f157 + f158; + f161 = f159 - f158; + f162 = f126 + f124; + f163 = MUL_C(COEF_CONST(1.3870398453221473), f126); + f164 = MUL_F(FRAC_CONST(-0.8314696123025455), f162); + f165 = MUL_F(FRAC_CONST(-0.2758993792829436), f124); + f166 = f163 + f164; + f167 = f165 - f164; + f168 = f139 + f137; + f169 = MUL_F(FRAC_CONST(-0.7856949583871021), f139); + f170 = MUL_F(FRAC_CONST(0.9807852804032304), f168); + f171 = MUL_C(COEF_CONST(1.1758756024193588), f137); + f172 = f169 + f170; + f173 = f171 - f170; + f174 = f143 + f141; + f175 = MUL_F(FRAC_CONST(0.2758993792829431), f143); + f176 = MUL_F(FRAC_CONST(0.5555702330196022), f174); + f177 = MUL_C(COEF_CONST(1.3870398453221475), f141); + f178 = f175 + f176; + f179 = f177 - f176; + f180 = f138 + f136; + f181 = MUL_C(COEF_CONST(1.1758756024193591), f138); + f182 = MUL_F(FRAC_CONST(-0.1950903220161287), f180); + f183 = MUL_F(FRAC_CONST(0.7856949583871016), f136); + f184 = f181 + f182; + f185 = f183 - f182; + f186 = f142 + f140; + f187 = MUL_C(COEF_CONST(1.3870398453221473), f142); + f188 = MUL_F(FRAC_CONST(-0.8314696123025455), f186); + f189 = MUL_F(FRAC_CONST(-0.2758993792829436), f140); + f190 = f187 + f188; + f191 = f189 - f188; + f192 = f113 - f148; + f193 = f113 + f148; + f194 = f115 - f149; + f195 = f115 + f149; + f196 = f117 - f154; + f197 = f117 + f154; + f198 = f119 - f155; + f199 = f119 + f155; + f200 = f112 - f160; + f201 = f112 + f160; + f202 = f114 - f161; + f203 = f114 + f161; + f204 = f116 - f166; + f205 = f116 + f166; + f206 = f118 - f167; + f207 = f118 + f167; + f208 = f129 - f172; + f209 = f129 + f172; + f210 = f131 - f173; + f211 = f131 + f173; + f212 = f133 - f178; + f213 = f133 + f178; + f214 = f135 - f179; + f215 = f135 + f179; + f216 = f128 - f184; + f217 = f128 + f184; + f218 = f130 - f185; + f219 = f130 + f185; + f220 = f132 - f190; + f221 = f132 + f190; + f222 = f134 - f191; + f223 = f134 + f191; + f224 = f211 + f209; + f225 = MUL_F(FRAC_CONST(-0.8971675863426361), f211); + f226 = MUL_F(FRAC_CONST(0.9951847266721968), f224); + f227 = MUL_C(COEF_CONST(1.0932018670017576), f209); + f228 = f225 + f226; + f229 = f227 - f226; + f230 = f215 + f213; + f231 = MUL_F(FRAC_CONST(-0.4105245275223571), f215); + f232 = MUL_F(FRAC_CONST(0.8819212643483549), f230); + f233 = MUL_C(COEF_CONST(1.3533180011743529), f213); + f234 = f231 + f232; + f235 = f233 - f232; + f236 = f219 + f217; + f237 = MUL_F(FRAC_CONST(0.1386171691990915), f219); + f238 = MUL_F(FRAC_CONST(0.6343932841636455), f236); + f239 = MUL_C(COEF_CONST(1.4074037375263826), f217); + f240 = f237 + f238; + f241 = f239 - f238; + f242 = f223 + f221; + f243 = MUL_F(FRAC_CONST(0.6666556584777466), f223); + f244 = MUL_F(FRAC_CONST(0.2902846772544623), f242); + f245 = MUL_C(COEF_CONST(1.2472250129866711), f221); + f246 = f243 + f244; + f247 = f245 - f244; + f248 = f210 + f208; + f249 = MUL_C(COEF_CONST(1.0932018670017574), f210); + f250 = MUL_F(FRAC_CONST(-0.0980171403295605), f248); + f251 = MUL_F(FRAC_CONST(0.8971675863426364), f208); + f252 = f249 + f250; + f253 = f251 - f250; + f254 = f214 + f212; + f255 = MUL_C(COEF_CONST(1.3533180011743529), f214); + f256 = MUL_F(FRAC_CONST(-0.4713967368259979), f254); + f257 = MUL_F(FRAC_CONST(0.4105245275223569), f212); + f258 = f255 + f256; + f259 = f257 - f256; + f260 = f218 + f216; + f261 = MUL_C(COEF_CONST(1.4074037375263826), f218); + f262 = MUL_F(FRAC_CONST(-0.7730104533627369), f260); + f263 = MUL_F(FRAC_CONST(-0.1386171691990913), f216); + f264 = f261 + f262; + f265 = f263 - f262; + f266 = f222 + f220; + f267 = MUL_C(COEF_CONST(1.2472250129866711), f222); + f268 = MUL_F(FRAC_CONST(-0.9569403357322089), f266); + f269 = MUL_F(FRAC_CONST(-0.6666556584777469), f220); + f270 = f267 + f268; + f271 = f269 - f268; + f272 = f193 - f228; + f273 = f193 + f228; + f274 = f195 - f229; + f275 = f195 + f229; + f276 = f197 - f234; + f277 = f197 + f234; + f278 = f199 - f235; + f279 = f199 + f235; + f280 = f201 - f240; + f281 = f201 + f240; + f282 = f203 - f241; + f283 = f203 + f241; + f284 = f205 - f246; + f285 = f205 + f246; + f286 = f207 - f247; + f287 = f207 + f247; + f288 = f192 - f252; + f289 = f192 + f252; + f290 = f194 - f253; + f291 = f194 + f253; + f292 = f196 - f258; + f293 = f196 + f258; + f294 = f198 - f259; + f295 = f198 + f259; + f296 = f200 - f264; + f297 = f200 + f264; + f298 = f202 - f265; + f299 = f202 + f265; + f300 = f204 - f270; + f301 = f204 + f270; + f302 = f206 - f271; + f303 = f206 + f271; + f304 = f275 + f273; + f305 = MUL_F(FRAC_CONST(-0.9751575901732920), f275); + f306 = MUL_F(FRAC_CONST(0.9996988186962043), f304); + f307 = MUL_C(COEF_CONST(1.0242400472191164), f273); + y[0] = f305 + f306; + y[31] = f307 - f306; + f310 = f279 + f277; + f311 = MUL_F(FRAC_CONST(-0.8700688593994936), f279); + f312 = MUL_F(FRAC_CONST(0.9924795345987100), f310); + f313 = MUL_C(COEF_CONST(1.1148902097979263), f277); + y[2] = f311 + f312; + y[29] = f313 - f312; + f316 = f283 + f281; + f317 = MUL_F(FRAC_CONST(-0.7566008898816587), f283); + f318 = MUL_F(FRAC_CONST(0.9757021300385286), f316); + f319 = MUL_C(COEF_CONST(1.1948033701953984), f281); + y[4] = f317 + f318; + y[27] = f319 - f318; + f322 = f287 + f285; + f323 = MUL_F(FRAC_CONST(-0.6358464401941451), f287); + f324 = MUL_F(FRAC_CONST(0.9495281805930367), f322); + f325 = MUL_C(COEF_CONST(1.2632099209919283), f285); + y[6] = f323 + f324; + y[25] = f325 - f324; + f328 = f291 + f289; + f329 = MUL_F(FRAC_CONST(-0.5089684416985408), f291); + f330 = MUL_F(FRAC_CONST(0.9142097557035307), f328); + f331 = MUL_C(COEF_CONST(1.3194510697085207), f289); + y[8] = f329 + f330; + y[23] = f331 - f330; + f334 = f295 + f293; + f335 = MUL_F(FRAC_CONST(-0.3771887988789273), f295); + f336 = MUL_F(FRAC_CONST(0.8700869911087114), f334); + f337 = MUL_C(COEF_CONST(1.3629851833384954), f293); + y[10] = f335 + f336; + y[21] = f337 - f336; + f340 = f299 + f297; + f341 = MUL_F(FRAC_CONST(-0.2417766217337384), f299); + f342 = MUL_F(FRAC_CONST(0.8175848131515837), f340); + f343 = MUL_C(COEF_CONST(1.3933930045694289), f297); + y[12] = f341 + f342; + y[19] = f343 - f342; + f346 = f303 + f301; + f347 = MUL_F(FRAC_CONST(-0.1040360035527077), f303); + f348 = MUL_F(FRAC_CONST(0.7572088465064845), f346); + f349 = MUL_C(COEF_CONST(1.4103816894602612), f301); + y[14] = f347 + f348; + y[17] = f349 - f348; + f352 = f274 + f272; + f353 = MUL_F(FRAC_CONST(0.0347065382144002), f274); + f354 = MUL_F(FRAC_CONST(0.6895405447370668), f352); + f355 = MUL_C(COEF_CONST(1.4137876276885337), f272); + y[16] = f353 + f354; + y[15] = f355 - f354; + f358 = f278 + f276; + f359 = MUL_F(FRAC_CONST(0.1731148370459795), f278); + f360 = MUL_F(FRAC_CONST(0.6152315905806268), f358); + f361 = MUL_C(COEF_CONST(1.4035780182072330), f276); + y[18] = f359 + f360; + y[13] = f361 - f360; + f364 = f282 + f280; + f365 = MUL_F(FRAC_CONST(0.3098559453626100), f282); + f366 = MUL_F(FRAC_CONST(0.5349976198870972), f364); + f367 = MUL_C(COEF_CONST(1.3798511851368043), f280); + y[20] = f365 + f366; + y[11] = f367 - f366; + f370 = f286 + f284; + f371 = MUL_F(FRAC_CONST(0.4436129715409088), f286); + f372 = MUL_F(FRAC_CONST(0.4496113296546065), f370); + f373 = MUL_C(COEF_CONST(1.3428356308501219), f284); + y[22] = f371 + f372; + y[9] = f373 - f372; + f376 = f290 + f288; + f377 = MUL_F(FRAC_CONST(0.5730977622997509), f290); + f378 = MUL_F(FRAC_CONST(0.3598950365349881), f376); + f379 = MUL_C(COEF_CONST(1.2928878353697271), f288); + y[24] = f377 + f378; + y[7] = f379 - f378; + f382 = f294 + f292; + f383 = MUL_F(FRAC_CONST(0.6970633083205415), f294); + f384 = MUL_F(FRAC_CONST(0.2667127574748984), f382); + f385 = MUL_C(COEF_CONST(1.2304888232703382), f292); + y[26] = f383 + f384; + y[5] = f385 - f384; + f388 = f298 + f296; + f389 = MUL_F(FRAC_CONST(0.8143157536286401), f298); + f390 = MUL_F(FRAC_CONST(0.1709618887603012), f388); + f391 = MUL_C(COEF_CONST(1.1562395311492424), f296); + y[28] = f389 + f390; + y[3] = f391 - f390; + f394 = f302 + f300; + f395 = MUL_F(FRAC_CONST(0.9237258930790228), f302); + f396 = MUL_F(FRAC_CONST(0.0735645635996674), f394); + f397 = MUL_C(COEF_CONST(1.0708550202783576), f300); + y[30] = f395 + f396; + y[1] = f397 - f396; +} + +void DST4_32(real_t *y, real_t *x) +{ + real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9; + real_t f10, f11, f12, f13, f14, f15, f16, f17, f18, f19; + real_t f20, f21, f22, f23, f24, f25, f26, f27, f28, f29; + real_t f30, f31, f32, f33, f34, f35, f36, f37, f38, f39; + real_t f40, f41, f42, f43, f44, f45, f46, f47, f48, f49; + real_t f50, f51, f52, f53, f54, f55, f56, f57, f58, f59; + real_t f60, f61, f62, f63, f64, f65, f66, f67, f68, f69; + real_t f70, f71, f72, f73, f74, f75, f76, f77, f78, f79; + real_t f80, f81, f82, f83, f84, f85, f86, f87, f88, f89; + real_t f90, f91, f92, f93, f94, f95, f96, f97, f98, f99; + real_t f100, f101, f102, f103, f104, f105, f106, f107, f108, f109; + real_t f110, f111, f112, f113, f114, f115, f116, f117, f118, f119; + real_t f120, f121, f122, f123, f124, f125, f126, f127, f128, f129; + real_t f130, f131, f132, f133, f134, f135, f136, f137, f138, f139; + real_t f140, f141, f142, f143, f144, f145, f146, f147, f148, f149; + real_t f150, f151, f152, f153, f154, f155, f156, f157, f158, f159; + real_t f160, f161, f162, f163, f164, f165, f166, f167, f168, f169; + real_t f170, f171, f172, f173, f174, f175, f176, f177, f178, f179; + real_t f180, f181, f182, f183, f184, f185, f186, f187, f188, f189; + real_t f190, f191, f192, f193, f194, f195, f196, f197, f198, f199; + real_t f200, f201, f202, f203, f204, f205, f206, f207, f208, f209; + real_t f210, f211, f212, f213, f214, f215, f216, f217, f218, f219; + real_t f220, f221, f222, f223, f224, f225, f226, f227, f228, f229; + real_t f230, f231, f232, f233, f234, f235, f236, f237, f238, f239; + real_t f240, f241, f242, f243, f244, f245, f246, f247, f248, f249; + real_t f250, f251, f252, f253, f254, f255, f256, f257, f258, f259; + real_t f260, f261, f262, f263, f264, f265, f266, f267, f268, f269; + real_t f270, f271, f272, f273, f274, f275, f276, f277, f278, f279; + real_t f280, f281, f282, f283, f284, f285, f286, f287, f288, f289; + real_t f290, f291, f292, f293, f294, f295, f296, f297, f298, f299; + real_t f300, f301, f302, f303, f304, f305, f306, f307, f308, f309; + real_t f310, f311, f312, f313, f314, f315, f316, f317, f318, f319; + real_t f320, f321, f322, f323, f324, f325, f326, f327, f328, f329; + real_t f330, f331, f332, f333, f334, f335; + + f0 = x[0] - x[1]; + f1 = x[2] - x[1]; + f2 = x[2] - x[3]; + f3 = x[4] - x[3]; + f4 = x[4] - x[5]; + f5 = x[6] - x[5]; + f6 = x[6] - x[7]; + f7 = x[8] - x[7]; + f8 = x[8] - x[9]; + f9 = x[10] - x[9]; + f10 = x[10] - x[11]; + f11 = x[12] - x[11]; + f12 = x[12] - x[13]; + f13 = x[14] - x[13]; + f14 = x[14] - x[15]; + f15 = x[16] - x[15]; + f16 = x[16] - x[17]; + f17 = x[18] - x[17]; + f18 = x[18] - x[19]; + f19 = x[20] - x[19]; + f20 = x[20] - x[21]; + f21 = x[22] - x[21]; + f22 = x[22] - x[23]; + f23 = x[24] - x[23]; + f24 = x[24] - x[25]; + f25 = x[26] - x[25]; + f26 = x[26] - x[27]; + f27 = x[28] - x[27]; + f28 = x[28] - x[29]; + f29 = x[30] - x[29]; + f30 = x[30] - x[31]; + f31 = MUL_F(FRAC_CONST(0.7071067811865476), f15); + f32 = x[0] - f31; + f33 = x[0] + f31; + f34 = f7 + f23; + f35 = MUL_C(COEF_CONST(1.3065629648763766), f7); + f36 = MUL_F(FRAC_CONST(-0.9238795325112866), f34); + f37 = MUL_F(FRAC_CONST(-0.5411961001461967), f23); + f38 = f35 + f36; + f39 = f37 - f36; + f40 = f33 - f39; + f41 = f33 + f39; + f42 = f32 - f38; + f43 = f32 + f38; + f44 = f11 - f19; + f45 = f11 + f19; + f46 = MUL_F(FRAC_CONST(0.7071067811865476), f45); + f47 = f3 - f46; + f48 = f3 + f46; + f49 = MUL_F(FRAC_CONST(0.7071067811865476), f44); + f50 = f49 - f27; + f51 = f49 + f27; + f52 = f51 + f48; + f53 = MUL_F(FRAC_CONST(-0.7856949583871021), f51); + f54 = MUL_F(FRAC_CONST(0.9807852804032304), f52); + f55 = MUL_C(COEF_CONST(1.1758756024193588), f48); + f56 = f53 + f54; + f57 = f55 - f54; + f58 = f50 + f47; + f59 = MUL_F(FRAC_CONST(-0.2758993792829430), f50); + f60 = MUL_F(FRAC_CONST(0.8314696123025452), f58); + f61 = MUL_C(COEF_CONST(1.3870398453221475), f47); + f62 = f59 + f60; + f63 = f61 - f60; + f64 = f41 - f56; + f65 = f41 + f56; + f66 = f43 - f62; + f67 = f43 + f62; + f68 = f42 - f63; + f69 = f42 + f63; + f70 = f40 - f57; + f71 = f40 + f57; + f72 = f5 - f9; + f73 = f5 + f9; + f74 = f13 - f17; + f75 = f13 + f17; + f76 = f21 - f25; + f77 = f21 + f25; + f78 = MUL_F(FRAC_CONST(0.7071067811865476), f75); + f79 = f1 - f78; + f80 = f1 + f78; + f81 = f73 + f77; + f82 = MUL_C(COEF_CONST(1.3065629648763766), f73); + f83 = MUL_F(FRAC_CONST(-0.9238795325112866), f81); + f84 = MUL_F(FRAC_CONST(-0.5411961001461967), f77); + f85 = f82 + f83; + f86 = f84 - f83; + f87 = f80 - f86; + f88 = f80 + f86; + f89 = f79 - f85; + f90 = f79 + f85; + f91 = MUL_F(FRAC_CONST(0.7071067811865476), f74); + f92 = f29 - f91; + f93 = f29 + f91; + f94 = f76 + f72; + f95 = MUL_C(COEF_CONST(1.3065629648763766), f76); + f96 = MUL_F(FRAC_CONST(-0.9238795325112866), f94); + f97 = MUL_F(FRAC_CONST(-0.5411961001461967), f72); + f98 = f95 + f96; + f99 = f97 - f96; + f100 = f93 - f99; + f101 = f93 + f99; + f102 = f92 - f98; + f103 = f92 + f98; + f104 = f101 + f88; + f105 = MUL_F(FRAC_CONST(-0.8971675863426361), f101); + f106 = MUL_F(FRAC_CONST(0.9951847266721968), f104); + f107 = MUL_C(COEF_CONST(1.0932018670017576), f88); + f108 = f105 + f106; + f109 = f107 - f106; + f110 = f90 - f103; + f111 = MUL_F(FRAC_CONST(-0.6666556584777466), f103); + f112 = MUL_F(FRAC_CONST(0.9569403357322089), f110); + f113 = MUL_C(COEF_CONST(1.2472250129866713), f90); + f114 = f112 - f111; + f115 = f113 - f112; + f116 = f102 + f89; + f117 = MUL_F(FRAC_CONST(-0.4105245275223571), f102); + f118 = MUL_F(FRAC_CONST(0.8819212643483549), f116); + f119 = MUL_C(COEF_CONST(1.3533180011743529), f89); + f120 = f117 + f118; + f121 = f119 - f118; + f122 = f87 - f100; + f123 = MUL_F(FRAC_CONST(-0.1386171691990915), f100); + f124 = MUL_F(FRAC_CONST(0.7730104533627370), f122); + f125 = MUL_C(COEF_CONST(1.4074037375263826), f87); + f126 = f124 - f123; + f127 = f125 - f124; + f128 = f65 - f108; + f129 = f65 + f108; + f130 = f67 - f114; + f131 = f67 + f114; + f132 = f69 - f120; + f133 = f69 + f120; + f134 = f71 - f126; + f135 = f71 + f126; + f136 = f70 - f127; + f137 = f70 + f127; + f138 = f68 - f121; + f139 = f68 + f121; + f140 = f66 - f115; + f141 = f66 + f115; + f142 = f64 - f109; + f143 = f64 + f109; + f144 = f0 + f30; + f145 = MUL_C(COEF_CONST(1.0478631305325901), f0); + f146 = MUL_F(FRAC_CONST(-0.9987954562051724), f144); + f147 = MUL_F(FRAC_CONST(-0.9497277818777548), f30); + f148 = f145 + f146; + f149 = f147 - f146; + f150 = f4 + f26; + f151 = MUL_F(FRAC_CONST(1.2130114330978077), f4); + f152 = MUL_F(FRAC_CONST(-0.9700312531945440), f150); + f153 = MUL_F(FRAC_CONST(-0.7270510732912803), f26); + f154 = f151 + f152; + f155 = f153 - f152; + f156 = f8 + f22; + f157 = MUL_C(COEF_CONST(1.3315443865537255), f8); + f158 = MUL_F(FRAC_CONST(-0.9039892931234433), f156); + f159 = MUL_F(FRAC_CONST(-0.4764341996931612), f22); + f160 = f157 + f158; + f161 = f159 - f158; + f162 = f12 + f18; + f163 = MUL_C(COEF_CONST(1.3989068359730781), f12); + f164 = MUL_F(FRAC_CONST(-0.8032075314806453), f162); + f165 = MUL_F(FRAC_CONST(-0.2075082269882124), f18); + f166 = f163 + f164; + f167 = f165 - f164; + f168 = f16 + f14; + f169 = MUL_C(COEF_CONST(1.4125100802019777), f16); + f170 = MUL_F(FRAC_CONST(-0.6715589548470187), f168); + f171 = MUL_F(FRAC_CONST(0.0693921705079402), f14); + f172 = f169 + f170; + f173 = f171 - f170; + f174 = f20 + f10; + f175 = MUL_C(COEF_CONST(1.3718313541934939), f20); + f176 = MUL_F(FRAC_CONST(-0.5141027441932219), f174); + f177 = MUL_F(FRAC_CONST(0.3436258658070501), f10); + f178 = f175 + f176; + f179 = f177 - f176; + f180 = f24 + f6; + f181 = MUL_C(COEF_CONST(1.2784339185752409), f24); + f182 = MUL_F(FRAC_CONST(-0.3368898533922200), f180); + f183 = MUL_F(FRAC_CONST(0.6046542117908008), f6); + f184 = f181 + f182; + f185 = f183 - f182; + f186 = f28 + f2; + f187 = MUL_C(COEF_CONST(1.1359069844201433), f28); + f188 = MUL_F(FRAC_CONST(-0.1467304744553624), f186); + f189 = MUL_F(FRAC_CONST(0.8424460355094185), f2); + f190 = f187 + f188; + f191 = f189 - f188; + f192 = f149 - f173; + f193 = f149 + f173; + f194 = f148 - f172; + f195 = f148 + f172; + f196 = f155 - f179; + f197 = f155 + f179; + f198 = f154 - f178; + f199 = f154 + f178; + f200 = f161 - f185; + f201 = f161 + f185; + f202 = f160 - f184; + f203 = f160 + f184; + f204 = f167 - f191; + f205 = f167 + f191; + f206 = f166 - f190; + f207 = f166 + f190; + f208 = f192 + f194; + f209 = MUL_C(COEF_CONST(1.1758756024193588), f192); + f210 = MUL_F(FRAC_CONST(-0.9807852804032304), f208); + f211 = MUL_F(FRAC_CONST(-0.7856949583871021), f194); + f212 = f209 + f210; + f213 = f211 - f210; + f214 = f196 + f198; + f215 = MUL_C(COEF_CONST(1.3870398453221475), f196); + f216 = MUL_F(FRAC_CONST(-0.5555702330196022), f214); + f217 = MUL_F(FRAC_CONST(0.2758993792829431), f198); + f218 = f215 + f216; + f219 = f217 - f216; + f220 = f200 + f202; + f221 = MUL_F(FRAC_CONST(0.7856949583871022), f200); + f222 = MUL_F(FRAC_CONST(0.1950903220161283), f220); + f223 = MUL_C(COEF_CONST(1.1758756024193586), f202); + f224 = f221 + f222; + f225 = f223 - f222; + f226 = f204 + f206; + f227 = MUL_F(FRAC_CONST(-0.2758993792829430), f204); + f228 = MUL_F(FRAC_CONST(0.8314696123025452), f226); + f229 = MUL_C(COEF_CONST(1.3870398453221475), f206); + f230 = f227 + f228; + f231 = f229 - f228; + f232 = f193 - f201; + f233 = f193 + f201; + f234 = f195 - f203; + f235 = f195 + f203; + f236 = f197 - f205; + f237 = f197 + f205; + f238 = f199 - f207; + f239 = f199 + f207; + f240 = f213 - f225; + f241 = f213 + f225; + f242 = f212 - f224; + f243 = f212 + f224; + f244 = f219 - f231; + f245 = f219 + f231; + f246 = f218 - f230; + f247 = f218 + f230; + f248 = f232 + f234; + f249 = MUL_C(COEF_CONST(1.3065629648763766), f232); + f250 = MUL_F(FRAC_CONST(-0.9238795325112866), f248); + f251 = MUL_F(FRAC_CONST(-0.5411961001461967), f234); + f252 = f249 + f250; + f253 = f251 - f250; + f254 = f236 + f238; + f255 = MUL_F(FRAC_CONST(0.5411961001461969), f236); + f256 = MUL_F(FRAC_CONST(0.3826834323650898), f254); + f257 = MUL_C(COEF_CONST(1.3065629648763766), f238); + f258 = f255 + f256; + f259 = f257 - f256; + f260 = f240 + f242; + f261 = MUL_C(COEF_CONST(1.3065629648763766), f240); + f262 = MUL_F(FRAC_CONST(-0.9238795325112866), f260); + f263 = MUL_F(FRAC_CONST(-0.5411961001461967), f242); + f264 = f261 + f262; + f265 = f263 - f262; + f266 = f244 + f246; + f267 = MUL_F(FRAC_CONST(0.5411961001461969), f244); + f268 = MUL_F(FRAC_CONST(0.3826834323650898), f266); + f269 = MUL_C(COEF_CONST(1.3065629648763766), f246); + f270 = f267 + f268; + f271 = f269 - f268; + f272 = f233 - f237; + f273 = f233 + f237; + f274 = f235 - f239; + f275 = f235 + f239; + f276 = f253 - f259; + f277 = f253 + f259; + f278 = f252 - f258; + f279 = f252 + f258; + f280 = f241 - f245; + f281 = f241 + f245; + f282 = f243 - f247; + f283 = f243 + f247; + f284 = f265 - f271; + f285 = f265 + f271; + f286 = f264 - f270; + f287 = f264 + f270; + f288 = f272 - f274; + f289 = f272 + f274; + f290 = MUL_F(FRAC_CONST(0.7071067811865474), f288); + f291 = MUL_F(FRAC_CONST(0.7071067811865474), f289); + f292 = f276 - f278; + f293 = f276 + f278; + f294 = MUL_F(FRAC_CONST(0.7071067811865474), f292); + f295 = MUL_F(FRAC_CONST(0.7071067811865474), f293); + f296 = f280 - f282; + f297 = f280 + f282; + f298 = MUL_F(FRAC_CONST(0.7071067811865474), f296); + f299 = MUL_F(FRAC_CONST(0.7071067811865474), f297); + f300 = f284 - f286; + f301 = f284 + f286; + f302 = MUL_F(FRAC_CONST(0.7071067811865474), f300); + f303 = MUL_F(FRAC_CONST(0.7071067811865474), f301); + f304 = f129 - f273; + f305 = f129 + f273; + f306 = f131 - f281; + f307 = f131 + f281; + f308 = f133 - f285; + f309 = f133 + f285; + f310 = f135 - f277; + f311 = f135 + f277; + f312 = f137 - f295; + f313 = f137 + f295; + f314 = f139 - f303; + f315 = f139 + f303; + f316 = f141 - f299; + f317 = f141 + f299; + f318 = f143 - f291; + f319 = f143 + f291; + f320 = f142 - f290; + f321 = f142 + f290; + f322 = f140 - f298; + f323 = f140 + f298; + f324 = f138 - f302; + f325 = f138 + f302; + f326 = f136 - f294; + f327 = f136 + f294; + f328 = f134 - f279; + f329 = f134 + f279; + f330 = f132 - f287; + f331 = f132 + f287; + f332 = f130 - f283; + f333 = f130 + f283; + f334 = f128 - f275; + f335 = f128 + f275; + y[31] = MUL_F(FRAC_CONST(0.5001506360206510), f305); + y[30] = MUL_F(FRAC_CONST(0.5013584524464084), f307); + y[29] = MUL_F(FRAC_CONST(0.5037887256810443), f309); + y[28] = MUL_F(FRAC_CONST(0.5074711720725553), f311); + y[27] = MUL_F(FRAC_CONST(0.5124514794082247), f313); + y[26] = MUL_F(FRAC_CONST(0.5187927131053328), f315); + y[25] = MUL_F(FRAC_CONST(0.5265773151542700), f317); + y[24] = MUL_F(FRAC_CONST(0.5359098169079920), f319); + y[23] = MUL_F(FRAC_CONST(0.5469204379855088), f321); + y[22] = MUL_F(FRAC_CONST(0.5597698129470802), f323); + y[21] = MUL_F(FRAC_CONST(0.5746551840326600), f325); + y[20] = MUL_F(FRAC_CONST(0.5918185358574165), f327); + y[19] = MUL_F(FRAC_CONST(0.6115573478825099), f329); + y[18] = MUL_F(FRAC_CONST(0.6342389366884031), f331); + y[17] = MUL_F(FRAC_CONST(0.6603198078137061), f333); + y[16] = MUL_F(FRAC_CONST(0.6903721282002123), f335); + y[15] = MUL_F(FRAC_CONST(0.7251205223771985), f334); + y[14] = MUL_F(FRAC_CONST(0.7654941649730891), f332); + y[13] = MUL_F(FRAC_CONST(0.8127020908144905), f330); + y[12] = MUL_F(FRAC_CONST(0.8683447152233481), f328); + y[11] = MUL_F(FRAC_CONST(0.9345835970364075), f326); + y[10] = MUL_C(COEF_CONST(1.0144082649970547), f324); + y[9] = MUL_C(COEF_CONST(1.1120716205797176), f322); + y[8] = MUL_C(COEF_CONST(1.2338327379765710), f320); + y[7] = MUL_C(COEF_CONST(1.3892939586328277), f318); + y[6] = MUL_C(COEF_CONST(1.5939722833856311), f316); + y[5] = MUL_C(COEF_CONST(1.8746759800084078), f314); + y[4] = MUL_C(COEF_CONST(2.2820500680051619), f312); + y[3] = MUL_C(COEF_CONST(2.9246284281582162), f310); + y[2] = MUL_C(COEF_CONST(4.0846110781292477), f308); + y[1] = MUL_C(COEF_CONST(6.7967507116736332), f306); + y[0] = MUL_R(REAL_CONST(20.3738781672314530), f304); +} + +#ifdef SBR_LOW_POWER + +void DCT2_16_unscaled(real_t *y, real_t *x) +{ + real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10; + real_t f11, f12, f13, f14, f15, f16, f17, f18, f19, f20; + real_t f21, f22, f23, f24, f25, f26, f27, f28, f31, f32; + real_t f33, f34, f37, f38, f39, f40, f41, f42, f43, f44; + real_t f45, f46, f47, f48, f49, f51, f53, f54, f57, f58; + real_t f59, f60, f61, f62, f63, f64, f65, f66, f67, f68; + real_t f69, f70, f71, f72, f73, f74, f75, f76, f77, f78; + real_t f79, f80, f81, f82, f83, f84, f85, f86, f87, f88; + real_t f89, f90, f91, f92, f95, f96, f97, f98, f101, f102; + real_t f103, f104, f107, f108, f109, f110; + + f0 = x[0] - x[15]; + f1 = x[0] + x[15]; + f2 = x[1] - x[14]; + f3 = x[1] + x[14]; + f4 = x[2] - x[13]; + f5 = x[2] + x[13]; + f6 = x[3] - x[12]; + f7 = x[3] + x[12]; + f8 = x[4] - x[11]; + f9 = x[4] + x[11]; + f10 = x[5] - x[10]; + f11 = x[5] + x[10]; + f12 = x[6] - x[9]; + f13 = x[6] + x[9]; + f14 = x[7] - x[8]; + f15 = x[7] + x[8]; + f16 = f1 - f15; + f17 = f1 + f15; + f18 = f3 - f13; + f19 = f3 + f13; + f20 = f5 - f11; + f21 = f5 + f11; + f22 = f7 - f9; + f23 = f7 + f9; + f24 = f17 - f23; + f25 = f17 + f23; + f26 = f19 - f21; + f27 = f19 + f21; + f28 = f25 - f27; + y[0] = f25 + f27; + y[8] = MUL_F(f28, FRAC_CONST(0.7071067811865476)); + f31 = f24 + f26; + f32 = MUL_C(f24, COEF_CONST(1.3065629648763766)); + f33 = MUL_F(f31, FRAC_CONST(-0.9238795325112866)); + f34 = MUL_F(f26, FRAC_CONST(-0.5411961001461967)); + y[12] = f32 + f33; + y[4] = f34 - f33; + f37 = f16 + f22; + f38 = MUL_C(f16, COEF_CONST(1.1758756024193588)); + f39 = MUL_F(f37, FRAC_CONST(-0.9807852804032304)); + f40 = MUL_F(f22, FRAC_CONST(-0.7856949583871021)); + f41 = f38 + f39; + f42 = f40 - f39; + f43 = f18 + f20; + f44 = MUL_C(f18, COEF_CONST(1.3870398453221473)); + f45 = MUL_F(f43, FRAC_CONST(-0.8314696123025455)); + f46 = MUL_F(f20, FRAC_CONST(-0.2758993792829436)); + f47 = f44 + f45; + f48 = f46 - f45; + f49 = f42 - f48; + y[2] = f42 + f48; + f51 = MUL_F(f49, FRAC_CONST(0.7071067811865476)); + y[14] = f41 - f47; + f53 = f41 + f47; + f54 = MUL_F(f53, FRAC_CONST(0.7071067811865476)); + y[10] = f51 - f54; + y[6] = f51 + f54; + f57 = f2 - f4; + f58 = f2 + f4; + f59 = f6 - f8; + f60 = f6 + f8; + f61 = f10 - f12; + f62 = f10 + f12; + f63 = MUL_F(f60, FRAC_CONST(0.7071067811865476)); + f64 = f0 - f63; + f65 = f0 + f63; + f66 = f58 + f62; + f67 = MUL_C(f58, COEF_CONST(1.3065629648763766)); + f68 = MUL_F(f66, FRAC_CONST(-0.9238795325112866)); + f69 = MUL_F(f62, FRAC_CONST(-0.5411961001461967)); + f70 = f67 + f68; + f71 = f69 - f68; + f72 = f65 - f71; + f73 = f65 + f71; + f74 = f64 - f70; + f75 = f64 + f70; + f76 = MUL_F(f59, FRAC_CONST(0.7071067811865476)); + f77 = f14 - f76; + f78 = f14 + f76; + f79 = f61 + f57; + f80 = MUL_C(f61, COEF_CONST(1.3065629648763766)); + f81 = MUL_F(f79, FRAC_CONST(-0.9238795325112866)); + f82 = MUL_F(f57, FRAC_CONST(-0.5411961001461967)); + f83 = f80 + f81; + f84 = f82 - f81; + f85 = f78 - f84; + f86 = f78 + f84; + f87 = f77 - f83; + f88 = f77 + f83; + f89 = f86 + f73; + f90 = MUL_F(f86, FRAC_CONST(-0.8971675863426361)); + f91 = MUL_F(f89, FRAC_CONST(0.9951847266721968)); + f92 = MUL_C(f73, COEF_CONST(1.0932018670017576)); + y[1] = f90 + f91; + y[15] = f92 - f91; + f95 = f75 - f88; + f96 = MUL_F(f88, FRAC_CONST(-0.6666556584777466)); + f97 = MUL_F(f95, FRAC_CONST(0.9569403357322089)); + f98 = MUL_C(f75, COEF_CONST(1.2472250129866713)); + y[3] = f97 - f96; + y[13] = f98 - f97; + f101 = f87 + f74; + f102 = MUL_F(f87, FRAC_CONST(-0.4105245275223571)); + f103 = MUL_F(f101, FRAC_CONST(0.8819212643483549)); + f104 = MUL_C(f74, COEF_CONST(1.3533180011743529)); + y[5] = f102 + f103; + y[11] = f104 - f103; + f107 = f72 - f85; + f108 = MUL_F(f85, FRAC_CONST(-0.1386171691990915)); + f109 = MUL_F(f107, FRAC_CONST(0.7730104533627370)); + f110 = MUL_C(f72, COEF_CONST(1.4074037375263826)); + y[7] = f109 - f108; + y[9] = f110 - f109; +} + +void DCT4_16(real_t *y, real_t *x) +{ + real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10; + real_t f11, f12, f13, f14, f15, f16, f17, f18, f19, f20; + real_t f21, f22, f23, f24, f25, f26, f27, f28, f29, f30; + real_t f31, f32, f33, f34, f35, f36, f37, f38, f39, f40; + real_t f41, f42, f43, f44, f45, f46, f47, f48, f49, f50; + real_t f51, f52, f53, f54, f55, f56, f57, f58, f59, f60; + real_t f61, f62, f63, f64, f65, f66, f67, f68, f69, f70; + real_t f71, f72, f73, f74, f75, f76, f77, f78, f79, f80; + real_t f81, f82, f83, f84, f85, f86, f87, f88, f89, f90; + real_t f91, f92, f93, f94, f95, f96, f97, f98, f99, f100; + real_t f101, f102, f103, f104, f105, f106, f107, f108, f109, f110; + real_t f111, f112, f113, f114, f115, f116, f117, f118, f119, f120; + real_t f121, f122, f123, f124, f125, f126, f127, f128, f130, f132; + real_t f134, f136, f138, f140, f142, f144, f145, f148, f149, f152; + real_t f153, f156, f157; + + f0 = x[0] + x[15]; + f1 = MUL_C(COEF_CONST(1.0478631305325901), x[0]); + f2 = MUL_F(FRAC_CONST(-0.9987954562051724), f0); + f3 = MUL_F(FRAC_CONST(-0.9497277818777548), x[15]); + f4 = f1 + f2; + f5 = f3 - f2; + f6 = x[2] + x[13]; + f7 = MUL_C(COEF_CONST(1.2130114330978077), x[2]); + f8 = MUL_F(FRAC_CONST(-0.9700312531945440), f6); + f9 = MUL_F(FRAC_CONST(-0.7270510732912803), x[13]); + f10 = f7 + f8; + f11 = f9 - f8; + f12 = x[4] + x[11]; + f13 = MUL_C(COEF_CONST(1.3315443865537255), x[4]); + f14 = MUL_F(FRAC_CONST(-0.9039892931234433), f12); + f15 = MUL_F(FRAC_CONST(-0.4764341996931612), x[11]); + f16 = f13 + f14; + f17 = f15 - f14; + f18 = x[6] + x[9]; + f19 = MUL_C(COEF_CONST(1.3989068359730781), x[6]); + f20 = MUL_F(FRAC_CONST(-0.8032075314806453), f18); + f21 = MUL_F(FRAC_CONST(-0.2075082269882124), x[9]); + f22 = f19 + f20; + f23 = f21 - f20; + f24 = x[8] + x[7]; + f25 = MUL_C(COEF_CONST(1.4125100802019777), x[8]); + f26 = MUL_F(FRAC_CONST(-0.6715589548470187), f24); + f27 = MUL_F(FRAC_CONST(0.0693921705079402), x[7]); + f28 = f25 + f26; + f29 = f27 - f26; + f30 = x[10] + x[5]; + f31 = MUL_C(COEF_CONST(1.3718313541934939), x[10]); + f32 = MUL_F(FRAC_CONST(-0.5141027441932219), f30); + f33 = MUL_F(FRAC_CONST(0.3436258658070501), x[5]); + f34 = f31 + f32; + f35 = f33 - f32; + f36 = x[12] + x[3]; + f37 = MUL_C(COEF_CONST(1.2784339185752409), x[12]); + f38 = MUL_F(FRAC_CONST(-0.3368898533922200), f36); + f39 = MUL_F(FRAC_CONST(0.6046542117908008), x[3]); + f40 = f37 + f38; + f41 = f39 - f38; + f42 = x[14] + x[1]; + f43 = MUL_C(COEF_CONST(1.1359069844201433), x[14]); + f44 = MUL_F(FRAC_CONST(-0.1467304744553624), f42); + f45 = MUL_F(FRAC_CONST(0.8424460355094185), x[1]); + f46 = f43 + f44; + f47 = f45 - f44; + f48 = f5 - f29; + f49 = f5 + f29; + f50 = f4 - f28; + f51 = f4 + f28; + f52 = f11 - f35; + f53 = f11 + f35; + f54 = f10 - f34; + f55 = f10 + f34; + f56 = f17 - f41; + f57 = f17 + f41; + f58 = f16 - f40; + f59 = f16 + f40; + f60 = f23 - f47; + f61 = f23 + f47; + f62 = f22 - f46; + f63 = f22 + f46; + f64 = f48 + f50; + f65 = MUL_C(COEF_CONST(1.1758756024193588), f48); + f66 = MUL_F(FRAC_CONST(-0.9807852804032304), f64); + f67 = MUL_F(FRAC_CONST(-0.7856949583871021), f50); + f68 = f65 + f66; + f69 = f67 - f66; + f70 = f52 + f54; + f71 = MUL_C(COEF_CONST(1.3870398453221475), f52); + f72 = MUL_F(FRAC_CONST(-0.5555702330196022), f70); + f73 = MUL_F(FRAC_CONST(0.2758993792829431), f54); + f74 = f71 + f72; + f75 = f73 - f72; + f76 = f56 + f58; + f77 = MUL_F(FRAC_CONST(0.7856949583871022), f56); + f78 = MUL_F(FRAC_CONST(0.1950903220161283), f76); + f79 = MUL_C(COEF_CONST(1.1758756024193586), f58); + f80 = f77 + f78; + f81 = f79 - f78; + f82 = f60 + f62; + f83 = MUL_F(FRAC_CONST(-0.2758993792829430), f60); + f84 = MUL_F(FRAC_CONST(0.8314696123025452), f82); + f85 = MUL_C(COEF_CONST(1.3870398453221475), f62); + f86 = f83 + f84; + f87 = f85 - f84; + f88 = f49 - f57; + f89 = f49 + f57; + f90 = f51 - f59; + f91 = f51 + f59; + f92 = f53 - f61; + f93 = f53 + f61; + f94 = f55 - f63; + f95 = f55 + f63; + f96 = f69 - f81; + f97 = f69 + f81; + f98 = f68 - f80; + f99 = f68 + f80; + f100 = f75 - f87; + f101 = f75 + f87; + f102 = f74 - f86; + f103 = f74 + f86; + f104 = f88 + f90; + f105 = MUL_C(COEF_CONST(1.3065629648763766), f88); + f106 = MUL_F(FRAC_CONST(-0.9238795325112866), f104); + f107 = MUL_F(FRAC_CONST(-0.5411961001461967), f90); + f108 = f105 + f106; + f109 = f107 - f106; + f110 = f92 + f94; + f111 = MUL_F(FRAC_CONST(0.5411961001461969), f92); + f112 = MUL_F(FRAC_CONST(0.3826834323650898), f110); + f113 = MUL_C(COEF_CONST(1.3065629648763766), f94); + f114 = f111 + f112; + f115 = f113 - f112; + f116 = f96 + f98; + f117 = MUL_C(COEF_CONST(1.3065629648763766), f96); + f118 = MUL_F(FRAC_CONST(-0.9238795325112866), f116); + f119 = MUL_F(FRAC_CONST(-0.5411961001461967), f98); + f120 = f117 + f118; + f121 = f119 - f118; + f122 = f100 + f102; + f123 = MUL_F(FRAC_CONST(0.5411961001461969), f100); + f124 = MUL_F(FRAC_CONST(0.3826834323650898), f122); + f125 = MUL_C(COEF_CONST(1.3065629648763766), f102); + f126 = f123 + f124; + f127 = f125 - f124; + f128 = f89 - f93; + y[0] = f89 + f93; + f130 = f91 - f95; + y[15] = f91 + f95; + f132 = f109 - f115; + y[3] = f109 + f115; + f134 = f108 - f114; + y[12] = f108 + f114; + f136 = f97 - f101; + y[1] = f97 + f101; + f138 = f99 - f103; + y[14] = f99 + f103; + f140 = f121 - f127; + y[2] = f121 + f127; + f142 = f120 - f126; + y[13] = f120 + f126; + f144 = f128 - f130; + f145 = f128 + f130; + y[8] = MUL_F(FRAC_CONST(0.7071067811865474), f144); + y[7] = MUL_F(FRAC_CONST(0.7071067811865474), f145); + f148 = f132 - f134; + f149 = f132 + f134; + y[11] = MUL_F(FRAC_CONST(0.7071067811865474), f148); + y[4] = MUL_F(FRAC_CONST(0.7071067811865474), f149); + f152 = f136 - f138; + f153 = f136 + f138; + y[9] = MUL_F(FRAC_CONST(0.7071067811865474), f152); + y[6] = MUL_F(FRAC_CONST(0.7071067811865474), f153); + f156 = f140 - f142; + f157 = f140 + f142; + y[10] = MUL_F(FRAC_CONST(0.7071067811865474), f156); + y[5] = MUL_F(FRAC_CONST(0.7071067811865474), f157); +} + +void DCT3_32_unscaled(real_t *y, real_t *x) +{ + real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10; + real_t f11, f12, f13, f14, f15, f16, f17, f18, f19, f20; + real_t f21, f22, f23, f24, f25, f26, f27, f28, f29, f30; + real_t f31, f32, f33, f34, f35, f36, f37, f38, f39, f40; + real_t f41, f42, f43, f44, f45, f46, f47, f48, f49, f50; + real_t f51, f52, f53, f54, f55, f56, f57, f58, f59, f60; + real_t f61, f62, f63, f64, f65, f66, f67, f68, f69, f70; + real_t f71, f72, f73, f74, f75, f76, f77, f78, f79, f80; + real_t f81, f82, f83, f84, f85, f86, f87, f88, f89, f90; + real_t f91, f92, f93, f94, f95, f96, f97, f98, f99, f100; + real_t f101, f102, f103, f104, f105, f106, f107, f108, f109, f110; + real_t f111, f112, f113, f114, f115, f116, f117, f118, f119, f120; + real_t f121, f122, f123, f124, f125, f126, f127, f128, f129, f130; + real_t f131, f132, f133, f134, f135, f136, f137, f138, f139, f140; + real_t f141, f142, f143, f144, f145, f146, f147, f148, f149, f150; + real_t f151, f152, f153, f154, f155, f156, f157, f158, f159, f160; + real_t f161, f162, f163, f164, f165, f166, f167, f168, f169, f170; + real_t f171, f172, f173, f174, f175, f176, f177, f178, f179, f180; + real_t f181, f182, f183, f184, f185, f186, f187, f188, f189, f190; + real_t f191, f192, f193, f194, f195, f196, f197, f198, f199, f200; + real_t f201, f202, f203, f204, f205, f206, f207, f208, f209, f210; + real_t f211, f212, f213, f214, f215, f216, f217, f218, f219, f220; + real_t f221, f222, f223, f224, f225, f226, f227, f228, f229, f230; + real_t f231, f232, f233, f234, f235, f236, f237, f238, f239, f240; + real_t f241, f242, f243, f244, f245, f246, f247, f248, f249, f250; + real_t f251, f252, f253, f254, f255, f256, f257, f258, f259, f260; + real_t f261, f262, f263, f264, f265, f266, f267, f268, f269, f270; + real_t f271, f272; + + f0 = MUL_F(x[16], FRAC_CONST(0.7071067811865476)); + f1 = x[0] - f0; + f2 = x[0] + f0; + f3 = x[8] + x[24]; + f4 = MUL_C(x[8], COEF_CONST(1.3065629648763766)); + f5 = MUL_F(f3, FRAC_CONST((-0.9238795325112866))); + f6 = MUL_F(x[24], FRAC_CONST((-0.5411961001461967))); + f7 = f4 + f5; + f8 = f6 - f5; + f9 = f2 - f8; + f10 = f2 + f8; + f11 = f1 - f7; + f12 = f1 + f7; + f13 = x[4] + x[28]; + f14 = MUL_C(x[4], COEF_CONST(1.1758756024193588)); + f15 = MUL_F(f13, FRAC_CONST((-0.9807852804032304))); + f16 = MUL_F(x[28], FRAC_CONST((-0.7856949583871021))); + f17 = f14 + f15; + f18 = f16 - f15; + f19 = x[12] + x[20]; + f20 = MUL_C(x[12], COEF_CONST(1.3870398453221473)); + f21 = MUL_F(f19, FRAC_CONST((-0.8314696123025455))); + f22 = MUL_F(x[20], FRAC_CONST((-0.2758993792829436))); + f23 = f20 + f21; + f24 = f22 - f21; + f25 = f18 - f24; + f26 = f18 + f24; + f27 = MUL_F(f25, FRAC_CONST(0.7071067811865476)); + f28 = f17 - f23; + f29 = f17 + f23; + f30 = MUL_F(f29, FRAC_CONST(0.7071067811865476)); + f31 = f27 - f30; + f32 = f27 + f30; + f33 = f10 - f26; + f34 = f10 + f26; + f35 = f12 - f32; + f36 = f12 + f32; + f37 = f11 - f31; + f38 = f11 + f31; + f39 = f9 - f28; + f40 = f9 + f28; + f41 = x[2] + x[30]; + f42 = MUL_C(x[2], COEF_CONST(1.0932018670017569)); + f43 = MUL_F(f41, FRAC_CONST((-0.9951847266721969))); + f44 = MUL_F(x[30], FRAC_CONST((-0.8971675863426368))); + f45 = f42 + f43; + f46 = f44 - f43; + f47 = x[6] + x[26]; + f48 = MUL_C(x[6], COEF_CONST(1.2472250129866711)); + f49 = MUL_F(f47, FRAC_CONST((-0.9569403357322089))); + f50 = MUL_F(x[26], FRAC_CONST((-0.6666556584777469))); + f51 = f48 + f49; + f52 = f50 - f49; + f53 = x[10] + x[22]; + f54 = MUL_C(x[10], COEF_CONST(1.3533180011743526)); + f55 = MUL_F(f53, FRAC_CONST((-0.8819212643483551))); + f56 = MUL_F(x[22], FRAC_CONST((-0.4105245275223575))); + f57 = f54 + f55; + f58 = f56 - f55; + f59 = x[14] + x[18]; + f60 = MUL_C(x[14], COEF_CONST(1.4074037375263826)); + f61 = MUL_F(f59, FRAC_CONST((-0.7730104533627369))); + f62 = MUL_F(x[18], FRAC_CONST((-0.1386171691990913))); + f63 = f60 + f61; + f64 = f62 - f61; + f65 = f46 - f64; + f66 = f46 + f64; + f67 = f52 - f58; + f68 = f52 + f58; + f69 = f66 - f68; + f70 = f66 + f68; + f71 = MUL_F(f69, FRAC_CONST(0.7071067811865476)); + f72 = f65 + f67; + f73 = MUL_C(f65, COEF_CONST(1.3065629648763766)); + f74 = MUL_F(f72, FRAC_CONST((-0.9238795325112866))); + f75 = MUL_F(f67, FRAC_CONST((-0.5411961001461967))); + f76 = f73 + f74; + f77 = f75 - f74; + f78 = f45 - f63; + f79 = f45 + f63; + f80 = f51 - f57; + f81 = f51 + f57; + f82 = f79 + f81; + f83 = MUL_C(f79, COEF_CONST(1.3065629648763770)); + f84 = MUL_F(f82, FRAC_CONST((-0.3826834323650904))); + f85 = MUL_F(f81, FRAC_CONST(0.5411961001461961)); + f86 = f83 + f84; + f87 = f85 - f84; + f88 = f78 - f80; + f89 = f78 + f80; + f90 = MUL_F(f89, FRAC_CONST(0.7071067811865476)); + f91 = f77 - f87; + f92 = f77 + f87; + f93 = f71 - f90; + f94 = f71 + f90; + f95 = f76 - f86; + f96 = f76 + f86; + f97 = f34 - f70; + f98 = f34 + f70; + f99 = f36 - f92; + f100 = f36 + f92; + f101 = f38 - f91; + f102 = f38 + f91; + f103 = f40 - f94; + f104 = f40 + f94; + f105 = f39 - f93; + f106 = f39 + f93; + f107 = f37 - f96; + f108 = f37 + f96; + f109 = f35 - f95; + f110 = f35 + f95; + f111 = f33 - f88; + f112 = f33 + f88; + f113 = x[1] + x[31]; + f114 = MUL_C(x[1], COEF_CONST(1.0478631305325901)); + f115 = MUL_F(f113, FRAC_CONST((-0.9987954562051724))); + f116 = MUL_F(x[31], FRAC_CONST((-0.9497277818777548))); + f117 = f114 + f115; + f118 = f116 - f115; + f119 = x[5] + x[27]; + f120 = MUL_C(x[5], COEF_CONST(1.2130114330978077)); + f121 = MUL_F(f119, FRAC_CONST((-0.9700312531945440))); + f122 = MUL_F(x[27], FRAC_CONST((-0.7270510732912803))); + f123 = f120 + f121; + f124 = f122 - f121; + f125 = x[9] + x[23]; + f126 = MUL_C(x[9], COEF_CONST(1.3315443865537255)); + f127 = MUL_F(f125, FRAC_CONST((-0.9039892931234433))); + f128 = MUL_F(x[23], FRAC_CONST((-0.4764341996931612))); + f129 = f126 + f127; + f130 = f128 - f127; + f131 = x[13] + x[19]; + f132 = MUL_C(x[13], COEF_CONST(1.3989068359730781)); + f133 = MUL_F(f131, FRAC_CONST((-0.8032075314806453))); + f134 = MUL_F(x[19], FRAC_CONST((-0.2075082269882124))); + f135 = f132 + f133; + f136 = f134 - f133; + f137 = x[17] + x[15]; + f138 = MUL_C(x[17], COEF_CONST(1.4125100802019777)); + f139 = MUL_F(f137, FRAC_CONST((-0.6715589548470187))); + f140 = MUL_F(x[15], FRAC_CONST(0.0693921705079402)); + f141 = f138 + f139; + f142 = f140 - f139; + f143 = x[21] + x[11]; + f144 = MUL_C(x[21], COEF_CONST(1.3718313541934939)); + f145 = MUL_F(f143, FRAC_CONST((-0.5141027441932219))); + f146 = MUL_F(x[11], FRAC_CONST(0.3436258658070501)); + f147 = f144 + f145; + f148 = f146 - f145; + f149 = x[25] + x[7]; + f150 = MUL_C(x[25], COEF_CONST(1.2784339185752409)); + f151 = MUL_F(f149, FRAC_CONST((-0.3368898533922200))); + f152 = MUL_F(x[7], FRAC_CONST(0.6046542117908008)); + f153 = f150 + f151; + f154 = f152 - f151; + f155 = x[29] + x[3]; + f156 = MUL_C(x[29], COEF_CONST(1.1359069844201433)); + f157 = MUL_F(f155, FRAC_CONST((-0.1467304744553624))); + f158 = MUL_F(x[3], FRAC_CONST(0.8424460355094185)); + f159 = f156 + f157; + f160 = f158 - f157; + f161 = f118 - f142; + f162 = f118 + f142; + f163 = f117 - f141; + f164 = f117 + f141; + f165 = f124 - f148; + f166 = f124 + f148; + f167 = f123 - f147; + f168 = f123 + f147; + f169 = f130 - f154; + f170 = f130 + f154; + f171 = f129 - f153; + f172 = f129 + f153; + f173 = f136 - f160; + f174 = f136 + f160; + f175 = f135 - f159; + f176 = f135 + f159; + f177 = f161 + f163; + f178 = MUL_C(f161, COEF_CONST(1.1758756024193588)); + f179 = MUL_F(f177, FRAC_CONST((-0.9807852804032304))); + f180 = MUL_F(f163, FRAC_CONST((-0.7856949583871021))); + f181 = f178 + f179; + f182 = f180 - f179; + f183 = f165 + f167; + f184 = MUL_C(f165, COEF_CONST(1.3870398453221475)); + f185 = MUL_F(f183, FRAC_CONST((-0.5555702330196022))); + f186 = MUL_F(f167, FRAC_CONST(0.2758993792829431)); + f187 = f184 + f185; + f188 = f186 - f185; + f189 = f169 + f171; + f190 = MUL_F(f169, FRAC_CONST(0.7856949583871022)); + f191 = MUL_F(f189, FRAC_CONST(0.1950903220161283)); + f192 = MUL_C(f171, COEF_CONST(1.1758756024193586)); + f193 = f190 + f191; + f194 = f192 - f191; + f195 = f173 + f175; + f196 = MUL_F(f173, FRAC_CONST((-0.2758993792829430))); + f197 = MUL_F(f195, FRAC_CONST(0.8314696123025452)); + f198 = MUL_C(f175, COEF_CONST(1.3870398453221475)); + f199 = f196 + f197; + f200 = f198 - f197; + f201 = f162 - f170; + f202 = f162 + f170; + f203 = f164 - f172; + f204 = f164 + f172; + f205 = f166 - f174; + f206 = f166 + f174; + f207 = f168 - f176; + f208 = f168 + f176; + f209 = f182 - f194; + f210 = f182 + f194; + f211 = f181 - f193; + f212 = f181 + f193; + f213 = f188 - f200; + f214 = f188 + f200; + f215 = f187 - f199; + f216 = f187 + f199; + f217 = f201 + f203; + f218 = MUL_C(f201, COEF_CONST(1.3065629648763766)); + f219 = MUL_F(f217, FRAC_CONST((-0.9238795325112866))); + f220 = MUL_F(f203, FRAC_CONST((-0.5411961001461967))); + f221 = f218 + f219; + f222 = f220 - f219; + f223 = f205 + f207; + f224 = MUL_F(f205, FRAC_CONST(0.5411961001461969)); + f225 = MUL_F(f223, FRAC_CONST(0.3826834323650898)); + f226 = MUL_C(f207, COEF_CONST(1.3065629648763766)); + f227 = f224 + f225; + f228 = f226 - f225; + f229 = f209 + f211; + f230 = MUL_C(f209, COEF_CONST(1.3065629648763766)); + f231 = MUL_F(f229, FRAC_CONST((-0.9238795325112866))); + f232 = MUL_F(f211, FRAC_CONST((-0.5411961001461967))); + f233 = f230 + f231; + f234 = f232 - f231; + f235 = f213 + f215; + f236 = MUL_F(f213, FRAC_CONST(0.5411961001461969)); + f237 = MUL_F(f235, FRAC_CONST(0.3826834323650898)); + f238 = MUL_C(f215, COEF_CONST(1.3065629648763766)); + f239 = f236 + f237; + f240 = f238 - f237; + f241 = f202 - f206; + f242 = f202 + f206; + f243 = f204 - f208; + f244 = f204 + f208; + f245 = f222 - f228; + f246 = f222 + f228; + f247 = f221 - f227; + f248 = f221 + f227; + f249 = f210 - f214; + f250 = f210 + f214; + f251 = f212 - f216; + f252 = f212 + f216; + f253 = f234 - f240; + f254 = f234 + f240; + f255 = f233 - f239; + f256 = f233 + f239; + f257 = f241 - f243; + f258 = f241 + f243; + f259 = MUL_F(f257, FRAC_CONST(0.7071067811865474)); + f260 = MUL_F(f258, FRAC_CONST(0.7071067811865474)); + f261 = f245 - f247; + f262 = f245 + f247; + f263 = MUL_F(f261, FRAC_CONST(0.7071067811865474)); + f264 = MUL_F(f262, FRAC_CONST(0.7071067811865474)); + f265 = f249 - f251; + f266 = f249 + f251; + f267 = MUL_F(f265, FRAC_CONST(0.7071067811865474)); + f268 = MUL_F(f266, FRAC_CONST(0.7071067811865474)); + f269 = f253 - f255; + f270 = f253 + f255; + f271 = MUL_F(f269, FRAC_CONST(0.7071067811865474)); + f272 = MUL_F(f270, FRAC_CONST(0.7071067811865474)); + y[31] = f98 - f242; + y[0] = f98 + f242; + y[30] = f100 - f250; + y[1] = f100 + f250; + y[29] = f102 - f254; + y[2] = f102 + f254; + y[28] = f104 - f246; + y[3] = f104 + f246; + y[27] = f106 - f264; + y[4] = f106 + f264; + y[26] = f108 - f272; + y[5] = f108 + f272; + y[25] = f110 - f268; + y[6] = f110 + f268; + y[24] = f112 - f260; + y[7] = f112 + f260; + y[23] = f111 - f259; + y[8] = f111 + f259; + y[22] = f109 - f267; + y[9] = f109 + f267; + y[21] = f107 - f271; + y[10] = f107 + f271; + y[20] = f105 - f263; + y[11] = f105 + f263; + y[19] = f103 - f248; + y[12] = f103 + f248; + y[18] = f101 - f256; + y[13] = f101 + f256; + y[17] = f99 - f252; + y[14] = f99 + f252; + y[16] = f97 - f244; + y[15] = f97 + f244; +} + +void DCT2_32_unscaled(real_t *y, real_t *x) +{ + real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10; + real_t f11, f12, f13, f14, f15, f16, f17, f18, f19, f20; + real_t f21, f22, f23, f24, f25, f26, f27, f28, f29, f30; + real_t f31, f32, f33, f34, f35, f36, f37, f38, f39, f40; + real_t f41, f42, f43, f44, f45, f46, f47, f48, f49, f50; + real_t f51, f52, f53, f54, f55, f56, f57, f58, f59, f60; + real_t f63, f64, f65, f66, f69, f70, f71, f72, f73, f74; + real_t f75, f76, f77, f78, f79, f80, f81, f83, f85, f86; + real_t f89, f90, f91, f92, f93, f94, f95, f96, f97, f98; + real_t f99, f100, f101, f102, f103, f104, f105, f106, f107, f108; + real_t f109, f110, f111, f112, f113, f114, f115, f116, f117, f118; + real_t f119, f120, f121, f122, f123, f124, f127, f128, f129, f130; + real_t f133, f134, f135, f136, f139, f140, f141, f142, f145, f146; + real_t f147, f148, f149, f150, f151, f152, f153, f154, f155, f156; + real_t f157, f158, f159, f160, f161, f162, f163, f164, f165, f166; + real_t f167, f168, f169, f170, f171, f172, f173, f174, f175, f176; + real_t f177, f178, f179, f180, f181, f182, f183, f184, f185, f186; + real_t f187, f188, f189, f190, f191, f192, f193, f194, f195, f196; + real_t f197, f198, f199, f200, f201, f202, f203, f204, f205, f206; + real_t f207, f208, f209, f210, f211, f212, f213, f214, f215, f216; + real_t f217, f218, f219, f220, f221, f222, f223, f224, f225, f226; + real_t f227, f228, f229, f230, f231, f232, f233, f234, f235, f236; + real_t f237, f238, f239, f240, f241, f242, f243, f244, f247, f248; + real_t f249, f250, f253, f254, f255, f256, f259, f260, f261, f262; + real_t f265, f266, f267, f268, f271, f272, f273, f274, f277, f278; + real_t f279, f280, f283, f284, f285, f286; + + f0 = x[0] - x[31]; + f1 = x[0] + x[31]; + f2 = x[1] - x[30]; + f3 = x[1] + x[30]; + f4 = x[2] - x[29]; + f5 = x[2] + x[29]; + f6 = x[3] - x[28]; + f7 = x[3] + x[28]; + f8 = x[4] - x[27]; + f9 = x[4] + x[27]; + f10 = x[5] - x[26]; + f11 = x[5] + x[26]; + f12 = x[6] - x[25]; + f13 = x[6] + x[25]; + f14 = x[7] - x[24]; + f15 = x[7] + x[24]; + f16 = x[8] - x[23]; + f17 = x[8] + x[23]; + f18 = x[9] - x[22]; + f19 = x[9] + x[22]; + f20 = x[10] - x[21]; + f21 = x[10] + x[21]; + f22 = x[11] - x[20]; + f23 = x[11] + x[20]; + f24 = x[12] - x[19]; + f25 = x[12] + x[19]; + f26 = x[13] - x[18]; + f27 = x[13] + x[18]; + f28 = x[14] - x[17]; + f29 = x[14] + x[17]; + f30 = x[15] - x[16]; + f31 = x[15] + x[16]; + f32 = f1 - f31; + f33 = f1 + f31; + f34 = f3 - f29; + f35 = f3 + f29; + f36 = f5 - f27; + f37 = f5 + f27; + f38 = f7 - f25; + f39 = f7 + f25; + f40 = f9 - f23; + f41 = f9 + f23; + f42 = f11 - f21; + f43 = f11 + f21; + f44 = f13 - f19; + f45 = f13 + f19; + f46 = f15 - f17; + f47 = f15 + f17; + f48 = f33 - f47; + f49 = f33 + f47; + f50 = f35 - f45; + f51 = f35 + f45; + f52 = f37 - f43; + f53 = f37 + f43; + f54 = f39 - f41; + f55 = f39 + f41; + f56 = f49 - f55; + f57 = f49 + f55; + f58 = f51 - f53; + f59 = f51 + f53; + f60 = f57 - f59; + y[0] = f57 + f59; + y[16] = MUL_F(FRAC_CONST(0.7071067811865476), f60); + f63 = f56 + f58; + f64 = MUL_C(COEF_CONST(1.3065629648763766), f56); + f65 = MUL_F(FRAC_CONST(-0.9238795325112866), f63); + f66 = MUL_F(FRAC_CONST(-0.5411961001461967), f58); + y[24] = f64 + f65; + y[8] = f66 - f65; + f69 = f48 + f54; + f70 = MUL_C(COEF_CONST(1.1758756024193588), f48); + f71 = MUL_F(FRAC_CONST(-0.9807852804032304), f69); + f72 = MUL_F(FRAC_CONST(-0.7856949583871021), f54); + f73 = f70 + f71; + f74 = f72 - f71; + f75 = f50 + f52; + f76 = MUL_C(COEF_CONST(1.3870398453221473), f50); + f77 = MUL_F(FRAC_CONST(-0.8314696123025455), f75); + f78 = MUL_F(FRAC_CONST(-0.2758993792829436), f52); + f79 = f76 + f77; + f80 = f78 - f77; + f81 = f74 - f80; + y[4] = f74 + f80; + f83 = MUL_F(FRAC_CONST(0.7071067811865476), f81); + y[28] = f73 - f79; + f85 = f73 + f79; + f86 = MUL_F(FRAC_CONST(0.7071067811865476), f85); + y[20] = f83 - f86; + y[12] = f83 + f86; + f89 = f34 - f36; + f90 = f34 + f36; + f91 = f38 - f40; + f92 = f38 + f40; + f93 = f42 - f44; + f94 = f42 + f44; + f95 = MUL_F(FRAC_CONST(0.7071067811865476), f92); + f96 = f32 - f95; + f97 = f32 + f95; + f98 = f90 + f94; + f99 = MUL_C(COEF_CONST(1.3065629648763766), f90); + f100 = MUL_F(FRAC_CONST(-0.9238795325112866), f98); + f101 = MUL_F(FRAC_CONST(-0.5411961001461967), f94); + f102 = f99 + f100; + f103 = f101 - f100; + f104 = f97 - f103; + f105 = f97 + f103; + f106 = f96 - f102; + f107 = f96 + f102; + f108 = MUL_F(FRAC_CONST(0.7071067811865476), f91); + f109 = f46 - f108; + f110 = f46 + f108; + f111 = f93 + f89; + f112 = MUL_C(COEF_CONST(1.3065629648763766), f93); + f113 = MUL_F(FRAC_CONST(-0.9238795325112866), f111); + f114 = MUL_F(FRAC_CONST(-0.5411961001461967), f89); + f115 = f112 + f113; + f116 = f114 - f113; + f117 = f110 - f116; + f118 = f110 + f116; + f119 = f109 - f115; + f120 = f109 + f115; + f121 = f118 + f105; + f122 = MUL_F(FRAC_CONST(-0.8971675863426361), f118); + f123 = MUL_F(FRAC_CONST(0.9951847266721968), f121); + f124 = MUL_C(COEF_CONST(1.0932018670017576), f105); + y[2] = f122 + f123; + y[30] = f124 - f123; + f127 = f107 - f120; + f128 = MUL_F(FRAC_CONST(-0.6666556584777466), f120); + f129 = MUL_F(FRAC_CONST(0.9569403357322089), f127); + f130 = MUL_C(COEF_CONST(1.2472250129866713), f107); + y[6] = f129 - f128; + y[26] = f130 - f129; + f133 = f119 + f106; + f134 = MUL_F(FRAC_CONST(-0.4105245275223571), f119); + f135 = MUL_F(FRAC_CONST(0.8819212643483549), f133); + f136 = MUL_C(COEF_CONST(1.3533180011743529), f106); + y[10] = f134 + f135; + y[22] = f136 - f135; + f139 = f104 - f117; + f140 = MUL_F(FRAC_CONST(-0.1386171691990915), f117); + f141 = MUL_F(FRAC_CONST(0.7730104533627370), f139); + f142 = MUL_C(COEF_CONST(1.4074037375263826), f104); + y[14] = f141 - f140; + y[18] = f142 - f141; + f145 = f2 - f4; + f146 = f2 + f4; + f147 = f6 - f8; + f148 = f6 + f8; + f149 = f10 - f12; + f150 = f10 + f12; + f151 = f14 - f16; + f152 = f14 + f16; + f153 = f18 - f20; + f154 = f18 + f20; + f155 = f22 - f24; + f156 = f22 + f24; + f157 = f26 - f28; + f158 = f26 + f28; + f159 = MUL_F(FRAC_CONST(0.7071067811865476), f152); + f160 = f0 - f159; + f161 = f0 + f159; + f162 = f148 + f156; + f163 = MUL_C(COEF_CONST(1.3065629648763766), f148); + f164 = MUL_F(FRAC_CONST(-0.9238795325112866), f162); + f165 = MUL_F(FRAC_CONST(-0.5411961001461967), f156); + f166 = f163 + f164; + f167 = f165 - f164; + f168 = f161 - f167; + f169 = f161 + f167; + f170 = f160 - f166; + f171 = f160 + f166; + f172 = f146 + f158; + f173 = MUL_C(COEF_CONST(1.1758756024193588), f146); + f174 = MUL_F(FRAC_CONST(-0.9807852804032304), f172); + f175 = MUL_F(FRAC_CONST(-0.7856949583871021), f158); + f176 = f173 + f174; + f177 = f175 - f174; + f178 = f150 + f154; + f179 = MUL_C(COEF_CONST(1.3870398453221473), f150); + f180 = MUL_F(FRAC_CONST(-0.8314696123025455), f178); + f181 = MUL_F(FRAC_CONST(-0.2758993792829436), f154); + f182 = f179 + f180; + f183 = f181 - f180; + f184 = f177 - f183; + f185 = f177 + f183; + f186 = MUL_F(FRAC_CONST(0.7071067811865476), f184); + f187 = f176 - f182; + f188 = f176 + f182; + f189 = MUL_F(FRAC_CONST(0.7071067811865476), f188); + f190 = f186 - f189; + f191 = f186 + f189; + f192 = f169 - f185; + f193 = f169 + f185; + f194 = f171 - f191; + f195 = f171 + f191; + f196 = f170 - f190; + f197 = f170 + f190; + f198 = f168 - f187; + f199 = f168 + f187; + f200 = MUL_F(FRAC_CONST(0.7071067811865476), f151); + f201 = f30 - f200; + f202 = f30 + f200; + f203 = f155 + f147; + f204 = MUL_C(COEF_CONST(1.3065629648763766), f155); + f205 = MUL_F(FRAC_CONST(-0.9238795325112866), f203); + f206 = MUL_F(FRAC_CONST(-0.5411961001461967), f147); + f207 = f204 + f205; + f208 = f206 - f205; + f209 = f202 - f208; + f210 = f202 + f208; + f211 = f201 - f207; + f212 = f201 + f207; + f213 = f157 + f145; + f214 = MUL_C(COEF_CONST(1.1758756024193588), f157); + f215 = MUL_F(FRAC_CONST(-0.9807852804032304), f213); + f216 = MUL_F(FRAC_CONST(-0.7856949583871021), f145); + f217 = f214 + f215; + f218 = f216 - f215; + f219 = f153 + f149; + f220 = MUL_C(COEF_CONST(1.3870398453221473), f153); + f221 = MUL_F(FRAC_CONST(-0.8314696123025455), f219); + f222 = MUL_F(FRAC_CONST(-0.2758993792829436), f149); + f223 = f220 + f221; + f224 = f222 - f221; + f225 = f218 - f224; + f226 = f218 + f224; + f227 = MUL_F(FRAC_CONST(0.7071067811865476), f225); + f228 = f217 - f223; + f229 = f217 + f223; + f230 = MUL_F(FRAC_CONST(0.7071067811865476), f229); + f231 = f227 - f230; + f232 = f227 + f230; + f233 = f210 - f226; + f234 = f210 + f226; + f235 = f212 - f232; + f236 = f212 + f232; + f237 = f211 - f231; + f238 = f211 + f231; + f239 = f209 - f228; + f240 = f209 + f228; + f241 = f234 + f193; + f242 = MUL_F(FRAC_CONST(-0.9497277818777543), f234); + f243 = MUL_F(FRAC_CONST(0.9987954562051724), f241); + f244 = MUL_C(COEF_CONST(1.0478631305325905), f193); + y[1] = f242 + f243; + y[31] = f244 - f243; + f247 = f195 - f236; + f248 = MUL_F(FRAC_CONST(-0.8424460355094192), f236); + f249 = MUL_F(FRAC_CONST(0.9891765099647810), f247); + f250 = MUL_C(COEF_CONST(1.1359069844201428), f195); + y[3] = f249 - f248; + y[29] = f250 - f249; + f253 = f238 + f197; + f254 = MUL_F(FRAC_CONST(-0.7270510732912801), f238); + f255 = MUL_F(FRAC_CONST(0.9700312531945440), f253); + f256 = MUL_C(COEF_CONST(1.2130114330978079), f197); + y[5] = f254 + f255; + y[27] = f256 - f255; + f259 = f199 - f240; + f260 = MUL_F(FRAC_CONST(-0.6046542117908007), f240); + f261 = MUL_F(FRAC_CONST(0.9415440651830208), f259); + f262 = MUL_C(COEF_CONST(1.2784339185752409), f199); + y[7] = f261 - f260; + y[25] = f262 - f261; + f265 = f239 + f198; + f266 = MUL_F(FRAC_CONST(-0.4764341996931611), f239); + f267 = MUL_F(FRAC_CONST(0.9039892931234433), f265); + f268 = MUL_C(COEF_CONST(1.3315443865537255), f198); + y[9] = f266 + f267; + y[23] = f268 - f267; + f271 = f196 - f237; + f272 = MUL_F(FRAC_CONST(-0.3436258658070505), f237); + f273 = MUL_F(FRAC_CONST(0.8577286100002721), f271); + f274 = MUL_C(COEF_CONST(1.3718313541934939), f196); + y[11] = f273 - f272; + y[21] = f274 - f273; + f277 = f235 + f194; + f278 = MUL_F(FRAC_CONST(-0.2075082269882114), f235); + f279 = MUL_F(FRAC_CONST(0.8032075314806448), f277); + f280 = MUL_C(COEF_CONST(1.3989068359730783), f194); + y[13] = f278 + f279; + y[19] = f280 - f279; + f283 = f192 - f233; + f284 = MUL_F(FRAC_CONST(-0.0693921705079408), f233); + f285 = MUL_F(FRAC_CONST(0.7409511253549591), f283); + f286 = MUL_C(COEF_CONST(1.4125100802019774), f192); + y[15] = f285 - f284; + y[17] = f286 - f285; +} + +#else + + +#define n 32 +#define log2n 5 + +// w_array_real[i] = cos(2*M_PI*i/32) +static const real_t w_array_real[] = { + FRAC_CONST(1.000000000000000), FRAC_CONST(0.980785279337272), + FRAC_CONST(0.923879528329380), FRAC_CONST(0.831469603195765), + FRAC_CONST(0.707106765732237), FRAC_CONST(0.555570210304169), + FRAC_CONST(0.382683402077046), FRAC_CONST(0.195090284503576), + FRAC_CONST(0.000000000000000), FRAC_CONST(-0.195090370246552), + FRAC_CONST(-0.382683482845162), FRAC_CONST(-0.555570282993553), + FRAC_CONST(-0.707106827549476), FRAC_CONST(-0.831469651765257), + FRAC_CONST(-0.923879561784627), FRAC_CONST(-0.980785296392607) +}; + +// w_array_imag[i] = sin(-2*M_PI*i/32) +static const real_t w_array_imag[] = { + FRAC_CONST(0.000000000000000), FRAC_CONST(-0.195090327375064), + FRAC_CONST(-0.382683442461104), FRAC_CONST(-0.555570246648862), + FRAC_CONST(-0.707106796640858), FRAC_CONST(-0.831469627480512), + FRAC_CONST(-0.923879545057005), FRAC_CONST(-0.980785287864940), + FRAC_CONST(-1.000000000000000), FRAC_CONST(-0.980785270809601), + FRAC_CONST(-0.923879511601754), FRAC_CONST(-0.831469578911016), + FRAC_CONST(-0.707106734823616), FRAC_CONST(-0.555570173959476), + FRAC_CONST(-0.382683361692986), FRAC_CONST(-0.195090241632088) +}; + +// FFT decimation in frequency +// 4*16*2+16=128+16=144 multiplications +// 6*16*2+10*8+4*16*2=192+80+128=400 additions +static void fft_dif(real_t * Real, real_t * Imag) +{ + real_t w_real, w_imag; // For faster access + real_t point1_real, point1_imag, point2_real, point2_imag; // For faster access + uint32_t j, i, i2, w_index; // Counters + + // First 2 stages of 32 point FFT decimation in frequency + // 4*16*2=64*2=128 multiplications + // 6*16*2=96*2=192 additions + // Stage 1 of 32 point FFT decimation in frequency + for (i = 0; i < 16; i++) { + point1_real = Real[i]; + point1_imag = Imag[i]; + i2 = i + 16; + point2_real = Real[i2]; + point2_imag = Imag[i2]; + + w_real = w_array_real[i]; + w_imag = w_array_imag[i]; + + // temp1 = x[i] - x[i2] + point1_real -= point2_real; + point1_imag -= point2_imag; + + // x[i1] = x[i] + x[i2] + Real[i] += point2_real; + Imag[i] += point2_imag; + + // x[i2] = (x[i] - x[i2]) * w + Real[i2] = (MUL_F(point1_real, w_real) - MUL_F(point1_imag, w_imag)); + Imag[i2] = (MUL_F(point1_real, w_imag) + MUL_F(point1_imag, w_real)); + } + // Stage 2 of 32 point FFT decimation in frequency + for (j = 0, w_index = 0; j < 8; j++, w_index += 2) { + w_real = w_array_real[w_index]; + w_imag = w_array_imag[w_index]; + + i = j; + point1_real = Real[i]; + point1_imag = Imag[i]; + i2 = i + 8; + point2_real = Real[i2]; + point2_imag = Imag[i2]; + + // temp1 = x[i] - x[i2] + point1_real -= point2_real; + point1_imag -= point2_imag; + + // x[i1] = x[i] + x[i2] + Real[i] += point2_real; + Imag[i] += point2_imag; + + // x[i2] = (x[i] - x[i2]) * w + Real[i2] = (MUL_F(point1_real, w_real) - MUL_F(point1_imag, w_imag)); + Imag[i2] = (MUL_F(point1_real, w_imag) + MUL_F(point1_imag, w_real)); + + i = j + 16; + point1_real = Real[i]; + point1_imag = Imag[i]; + i2 = i + 8; + point2_real = Real[i2]; + point2_imag = Imag[i2]; + + // temp1 = x[i] - x[i2] + point1_real -= point2_real; + point1_imag -= point2_imag; + + // x[i1] = x[i] + x[i2] + Real[i] += point2_real; + Imag[i] += point2_imag; + + // x[i2] = (x[i] - x[i2]) * w + Real[i2] = (MUL_F(point1_real, w_real) - MUL_F(point1_imag, w_imag)); + Imag[i2] = (MUL_F(point1_real, w_imag) + MUL_F(point1_imag, w_real)); + } + + // Stage 3 of 32 point FFT decimation in frequency + // 2*4*2=16 multiplications + // 4*4*2+6*4*2=10*8=80 additions + for (i = 0; i < n; i += 8) { + i2 = i + 4; + point1_real = Real[i]; + point1_imag = Imag[i]; + + point2_real = Real[i2]; + point2_imag = Imag[i2]; + + // out[i1] = point1 + point2 + Real[i] += point2_real; + Imag[i] += point2_imag; + + // out[i2] = point1 - point2 + Real[i2] = point1_real - point2_real; + Imag[i2] = point1_imag - point2_imag; + } + w_real = w_array_real[4]; // = sqrt(2)/2 + // w_imag = -w_real; // = w_array_imag[4]; // = -sqrt(2)/2 + for (i = 1; i < n; i += 8) { + i2 = i + 4; + point1_real = Real[i]; + point1_imag = Imag[i]; + + point2_real = Real[i2]; + point2_imag = Imag[i2]; + + // temp1 = x[i] - x[i2] + point1_real -= point2_real; + point1_imag -= point2_imag; + + // x[i1] = x[i] + x[i2] + Real[i] += point2_real; + Imag[i] += point2_imag; + + // x[i2] = (x[i] - x[i2]) * w + Real[i2] = MUL_F(point1_real + point1_imag, w_real); + Imag[i2] = MUL_F(point1_imag - point1_real, w_real); + } + for (i = 2; i < n; i += 8) { + i2 = i + 4; + point1_real = Real[i]; + point1_imag = Imag[i]; + + point2_real = Real[i2]; + point2_imag = Imag[i2]; + + // x[i] = x[i] + x[i2] + Real[i] += point2_real; + Imag[i] += point2_imag; + + // x[i2] = (x[i] - x[i2]) * (-i) + Real[i2] = point1_imag - point2_imag; + Imag[i2] = point2_real - point1_real; + } + w_real = w_array_real[12]; // = -sqrt(2)/2 + // w_imag = w_real; // = w_array_imag[12]; // = -sqrt(2)/2 + for (i = 3; i < n; i += 8) { + i2 = i + 4; + point1_real = Real[i]; + point1_imag = Imag[i]; + + point2_real = Real[i2]; + point2_imag = Imag[i2]; + + // temp1 = x[i] - x[i2] + point1_real -= point2_real; + point1_imag -= point2_imag; + + // x[i1] = x[i] + x[i2] + Real[i] += point2_real; + Imag[i] += point2_imag; + + // x[i2] = (x[i] - x[i2]) * w + Real[i2] = MUL_F(point1_real - point1_imag, w_real); + Imag[i2] = MUL_F(point1_real + point1_imag, w_real); + } + + + // Stage 4 of 32 point FFT decimation in frequency (no multiplications) + // 16*4=64 additions + for (i = 0; i < n; i += 4) { + i2 = i + 2; + point1_real = Real[i]; + point1_imag = Imag[i]; + + point2_real = Real[i2]; + point2_imag = Imag[i2]; + + // x[i1] = x[i] + x[i2] + Real[i] += point2_real; + Imag[i] += point2_imag; + + // x[i2] = x[i] - x[i2] + Real[i2] = point1_real - point2_real; + Imag[i2] = point1_imag - point2_imag; + } + for (i = 1; i < n; i += 4) { + i2 = i + 2; + point1_real = Real[i]; + point1_imag = Imag[i]; + + point2_real = Real[i2]; + point2_imag = Imag[i2]; + + // x[i] = x[i] + x[i2] + Real[i] += point2_real; + Imag[i] += point2_imag; + + // x[i2] = (x[i] - x[i2]) * (-i) + Real[i2] = point1_imag - point2_imag; + Imag[i2] = point2_real - point1_real; + } + + // Stage 5 of 32 point FFT decimation in frequency (no multiplications) + // 16*4=64 additions + for (i = 0; i < n; i += 2) { + i2 = i + 1; + point1_real = Real[i]; + point1_imag = Imag[i]; + + point2_real = Real[i2]; + point2_imag = Imag[i2]; + + // out[i1] = point1 + point2 + Real[i] += point2_real; + Imag[i] += point2_imag; + + // out[i2] = point1 - point2 + Real[i2] = point1_real - point2_real; + Imag[i2] = point1_imag - point2_imag; + } + +#ifdef REORDER_IN_FFT + FFTReorder(Real, Imag); +#endif // #ifdef REORDER_IN_FFT +} +#undef n +#undef log2n + +static const real_t dct4_64_tab[] = { + COEF_CONST(0.999924719333649), COEF_CONST(0.998118102550507), + COEF_CONST(0.993906974792480), COEF_CONST(0.987301409244537), + COEF_CONST(0.978317379951477), COEF_CONST(0.966976463794708), + COEF_CONST(0.953306019306183), COEF_CONST(0.937339007854462), + COEF_CONST(0.919113874435425), COEF_CONST(0.898674488067627), + COEF_CONST(0.876070082187653), COEF_CONST(0.851355195045471), + COEF_CONST(0.824589252471924), COEF_CONST(0.795836925506592), + COEF_CONST(0.765167236328125), COEF_CONST(0.732654273509979), + COEF_CONST(0.698376238346100), COEF_CONST(0.662415742874146), + COEF_CONST(0.624859452247620), COEF_CONST(0.585797846317291), + COEF_CONST(0.545324981212616), COEF_CONST(0.503538429737091), + COEF_CONST(0.460538715124130), COEF_CONST(0.416429549455643), + COEF_CONST(0.371317148208618), COEF_CONST(0.325310230255127), + COEF_CONST(0.278519600629807), COEF_CONST(0.231058135628700), + COEF_CONST(0.183039888739586), COEF_CONST(0.134580686688423), + COEF_CONST(0.085797272622585), COEF_CONST(0.036807164549828), + COEF_CONST(-1.012196302413940), COEF_CONST(-1.059438824653626), + COEF_CONST(-1.104129195213318), COEF_CONST(-1.146159529685974), + COEF_CONST(-1.185428738594055), COEF_CONST(-1.221842169761658), + COEF_CONST(-1.255311965942383), COEF_CONST(-1.285757660865784), + COEF_CONST(-1.313105940818787), COEF_CONST(-1.337290763854981), + COEF_CONST(-1.358253836631775), COEF_CONST(-1.375944852828980), + COEF_CONST(-1.390321016311646), COEF_CONST(-1.401347875595093), + COEF_CONST(-1.408998727798462), COEF_CONST(-1.413255214691162), + COEF_CONST(-1.414107084274292), COEF_CONST(-1.411552190780640), + COEF_CONST(-1.405596733093262), COEF_CONST(-1.396255016326904), + COEF_CONST(-1.383549690246582), COEF_CONST(-1.367511272430420), + COEF_CONST(-1.348178386688232), COEF_CONST(-1.325597524642944), + COEF_CONST(-1.299823284149170), COEF_CONST(-1.270917654037476), + COEF_CONST(-1.238950133323669), COEF_CONST(-1.203998088836670), + COEF_CONST(-1.166145324707031), COEF_CONST(-1.125483393669128), + COEF_CONST(-1.082109928131104), COEF_CONST(-1.036129593849182), + COEF_CONST(-0.987653195858002), COEF_CONST(-0.936797380447388), + COEF_CONST(-0.883684754371643), COEF_CONST(-0.828443288803101), + COEF_CONST(-0.771206021308899), COEF_CONST(-0.712110757827759), + COEF_CONST(-0.651300072669983), COEF_CONST(-0.588920354843140), + COEF_CONST(-0.525121808052063), COEF_CONST(-0.460058242082596), + COEF_CONST(-0.393886327743530), COEF_CONST(-0.326765477657318), + COEF_CONST(-0.258857429027557), COEF_CONST(-0.190325915813446), + COEF_CONST(-0.121335685253143), COEF_CONST(-0.052053272724152), + COEF_CONST(0.017354607582092), COEF_CONST(0.086720645427704), + COEF_CONST(0.155877828598022), COEF_CONST(0.224659323692322), + COEF_CONST(0.292899727821350), COEF_CONST(0.360434412956238), + COEF_CONST(0.427100926637650), COEF_CONST(0.492738455533981), + COEF_CONST(0.557188928127289), COEF_CONST(0.620297133922577), + COEF_CONST(0.681910991668701), COEF_CONST(0.741881847381592), + COEF_CONST(0.800065577030182), COEF_CONST(0.856321990489960), + COEF_CONST(0.910515367984772), COEF_CONST(0.962515234947205), + COEF_CONST(1.000000000000000), COEF_CONST(0.998795449733734), + COEF_CONST(0.995184719562531), COEF_CONST(0.989176511764526), + COEF_CONST(0.980785250663757), COEF_CONST(0.970031261444092), + COEF_CONST(0.956940352916718), COEF_CONST(0.941544055938721), + COEF_CONST(0.923879504203796), COEF_CONST(0.903989315032959), + COEF_CONST(0.881921231746674), COEF_CONST(0.857728600502014), + COEF_CONST(0.831469595432281), COEF_CONST(0.803207516670227), + COEF_CONST(0.773010432720184), COEF_CONST(0.740951120853424), + COEF_CONST(0.707106769084930), COEF_CONST(0.671558916568756), + COEF_CONST(0.634393274784088), COEF_CONST(0.595699310302734), + COEF_CONST(0.555570185184479), COEF_CONST(0.514102697372437), + COEF_CONST(0.471396654844284), COEF_CONST(0.427555114030838), + COEF_CONST(0.382683426141739), COEF_CONST(0.336889833211899), + COEF_CONST(0.290284633636475), COEF_CONST(0.242980122566223), + COEF_CONST(0.195090234279633), COEF_CONST(0.146730497479439), + COEF_CONST(0.098017133772373), COEF_CONST(0.049067649990320), + COEF_CONST(-1.000000000000000), COEF_CONST(-1.047863125801086), + COEF_CONST(-1.093201875686646), COEF_CONST(-1.135906934738159), + COEF_CONST(-1.175875544548035), COEF_CONST(-1.213011503219605), + COEF_CONST(-1.247225046157837), COEF_CONST(-1.278433918952942), + COEF_CONST(-1.306562900543213), COEF_CONST(-1.331544399261475), + COEF_CONST(-1.353317975997925), COEF_CONST(-1.371831417083740), + COEF_CONST(-1.387039899826050), COEF_CONST(-1.398906826972961), + COEF_CONST(-1.407403707504273), COEF_CONST(-1.412510156631470), + COEF_CONST(0), COEF_CONST(-1.412510156631470), + COEF_CONST(-1.407403707504273), COEF_CONST(-1.398906826972961), + COEF_CONST(-1.387039899826050), COEF_CONST(-1.371831417083740), + COEF_CONST(-1.353317975997925), COEF_CONST(-1.331544399261475), + COEF_CONST(-1.306562900543213), COEF_CONST(-1.278433918952942), + COEF_CONST(-1.247225046157837), COEF_CONST(-1.213011384010315), + COEF_CONST(-1.175875544548035), COEF_CONST(-1.135907053947449), + COEF_CONST(-1.093201875686646), COEF_CONST(-1.047863125801086), + COEF_CONST(-1.000000000000000), COEF_CONST(-0.949727773666382), + COEF_CONST(-0.897167563438416), COEF_CONST(-0.842446029186249), + COEF_CONST(-0.785694956779480), COEF_CONST(-0.727051079273224), + COEF_CONST(-0.666655659675598), COEF_CONST(-0.604654192924500), + COEF_CONST(-0.541196048259735), COEF_CONST(-0.476434230804443), + COEF_CONST(-0.410524487495422), COEF_CONST(-0.343625843524933), + COEF_CONST(-0.275899350643158), COEF_CONST(-0.207508206367493), + COEF_CONST(-0.138617098331451), COEF_CONST(-0.069392144680023), + COEF_CONST(0), COEF_CONST(0.069392263889313), + COEF_CONST(0.138617157936096), COEF_CONST(0.207508206367493), + COEF_CONST(0.275899469852448), COEF_CONST(0.343625962734222), + COEF_CONST(0.410524636507034), COEF_CONST(0.476434201002121), + COEF_CONST(0.541196107864380), COEF_CONST(0.604654192924500), + COEF_CONST(0.666655719280243), COEF_CONST(0.727051138877869), + COEF_CONST(0.785695075988770), COEF_CONST(0.842446029186249), + COEF_CONST(0.897167563438416), COEF_CONST(0.949727773666382) +}; + +/* size 64 only! */ +void dct4_kernel(real_t * in_real, real_t * in_imag, real_t * out_real, real_t * out_imag) +{ + // Tables with bit reverse values for 5 bits, bit reverse of i at i-th position + const uint8_t bit_rev_tab[32] = { 0, 16, 8, 24, 4, 20, 12, 28, 2, 18, 10, 26, 6, 22, 14, 30, 1, 17, 9, 25, 5, 21, 13, 29, 3, 19, 11, 27, 7, 23, 15, 31 }; + uint32_t i, i_rev; + + /* Step 2: modulate */ + // 3*32=96 multiplications + // 3*32=96 additions + for (i = 0; i < 32; i++) { + real_t x_re, x_im, tmp; + x_re = in_real[i]; + x_im = in_imag[i]; + tmp = MUL_C(x_re + x_im, dct4_64_tab[i]); + in_real[i] = MUL_C(x_im, dct4_64_tab[i + 64]) + tmp; + in_imag[i] = MUL_C(x_re, dct4_64_tab[i + 32]) + tmp; + } + + /* Step 3: FFT, but with output in bit reverse order */ + fft_dif(in_real, in_imag); + + /* Step 4: modulate + bitreverse reordering */ + // 3*31+2=95 multiplications + // 3*31+2=95 additions + for (i = 0; i < 16; i++) { + real_t x_re, x_im, tmp; + i_rev = bit_rev_tab[i]; + x_re = in_real[i_rev]; + x_im = in_imag[i_rev]; + + tmp = MUL_C(x_re + x_im, dct4_64_tab[i + 3 * 32]); + out_real[i] = MUL_C(x_im, dct4_64_tab[i + 5 * 32]) + tmp; + out_imag[i] = MUL_C(x_re, dct4_64_tab[i + 4 * 32]) + tmp; + } + // i = 16, i_rev = 1 = rev(16); + out_imag[16] = MUL_C(in_imag[1] - in_real[1], dct4_64_tab[16 + 3 * 32]); + out_real[16] = MUL_C(in_real[1] + in_imag[1], dct4_64_tab[16 + 3 * 32]); + for (i = 17; i < 32; i++) { + real_t x_re, x_im, tmp; + i_rev = bit_rev_tab[i]; + x_re = in_real[i_rev]; + x_im = in_imag[i_rev]; + tmp = MUL_C(x_re + x_im, dct4_64_tab[i + 3 * 32]); + out_real[i] = MUL_C(x_im, dct4_64_tab[i + 5 * 32]) + tmp; + out_imag[i] = MUL_C(x_re, dct4_64_tab[i + 4 * 32]) + tmp; + } + +} + +#endif + +#endif diff --git a/audio_codec/libfaad/sbr_dct.h b/audio_codec/libfaad/sbr_dct.h new file mode 100644 index 0000000..5ef1d8c --- a/dev/null +++ b/audio_codec/libfaad/sbr_dct.h @@ -0,0 +1,52 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_dct.h,v 1.19 2007/11/01 12:33:34 menno Exp $ +**/ + +#ifndef __SBR_DCT_H__ +#define __SBR_DCT_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + void dct4_kernel(real_t * in_real, real_t * in_imag, real_t * out_real, real_t * out_imag); + + void DCT3_32_unscaled(real_t *y, real_t *x); + void DCT4_32(real_t *y, real_t *x); + void DST4_32(real_t *y, real_t *x); + void DCT2_32_unscaled(real_t *y, real_t *x); + void DCT4_16(real_t *y, real_t *x); + void DCT2_16_unscaled(real_t *y, real_t *x); + + +#ifdef __cplusplus +} +#endif +#endif + diff --git a/audio_codec/libfaad/sbr_dec.c b/audio_codec/libfaad/sbr_dec.c new file mode 100644 index 0000000..7ae5659 --- a/dev/null +++ b/audio_codec/libfaad/sbr_dec.c @@ -0,0 +1,679 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_dec.c,v 1.44 2009/01/26 22:32:31 menno Exp $ +**/ + +#include +#include "common.h" +#include "structs.h" + +#ifdef SBR_DEC + +#include + +#include "syntax.h" +#include "bits.h" +#include "sbr_syntax.h" +#include "sbr_qmf.h" +#include "sbr_hfgen.h" +#include "sbr_hfadj.h" + + +/* static function declarations */ +static uint8_t sbr_save_prev_data(sbr_info *sbr, uint8_t ch); +static void sbr_save_matrix(sbr_info *sbr, uint8_t ch); + + +sbr_info *sbrDecodeInit(uint16_t framelength, uint8_t id_aac, + uint32_t sample_rate, uint8_t downSampledSBR +#ifdef DRM + , uint8_t IsDRM +#endif + ) +{ + sbr_info *sbr = faad_malloc(sizeof(sbr_info)); + memset(sbr, 0, sizeof(sbr_info)); + + /* save id of the parent element */ + sbr->id_aac = id_aac; + sbr->sample_rate = sample_rate; + + sbr->bs_freq_scale = 2; + sbr->bs_alter_scale = 1; + sbr->bs_noise_bands = 2; + sbr->bs_limiter_bands = 2; + sbr->bs_limiter_gains = 2; + sbr->bs_interpol_freq = 1; + sbr->bs_smoothing_mode = 1; + sbr->bs_start_freq = 5; + sbr->bs_amp_res = 1; + sbr->bs_samplerate_mode = 1; + sbr->prevEnvIsShort[0] = -1; + sbr->prevEnvIsShort[1] = -1; + sbr->header_count = 0; + sbr->Reset = 1; + +#ifdef DRM + sbr->Is_DRM_SBR = IsDRM; +#endif + sbr->tHFGen = T_HFGEN; + sbr->tHFAdj = T_HFADJ; + + sbr->bsco = 0; + sbr->bsco_prev = 0; + sbr->M_prev = 0; + sbr->frame_len = framelength; + + /* force sbr reset */ + sbr->bs_start_freq_prev = -1; + + if (framelength == 960) { + sbr->numTimeSlotsRate = RATE * NO_TIME_SLOTS_960; + sbr->numTimeSlots = NO_TIME_SLOTS_960; + } else { + sbr->numTimeSlotsRate = RATE * NO_TIME_SLOTS; + sbr->numTimeSlots = NO_TIME_SLOTS; + } + + sbr->GQ_ringbuf_index[0] = 0; + sbr->GQ_ringbuf_index[1] = 0; + + if (id_aac == ID_CPE) { + /* stereo */ + uint8_t j; + sbr->qmfa[0] = qmfa_init(32); + sbr->qmfa[1] = qmfa_init(32); + sbr->qmfs[0] = qmfs_init((downSampledSBR) ? 32 : 64); + sbr->qmfs[1] = qmfs_init((downSampledSBR) ? 32 : 64); + + for (j = 0; j < 5; j++) { + sbr->G_temp_prev[0][j] = faad_malloc(64 * sizeof(real_t)); + sbr->G_temp_prev[1][j] = faad_malloc(64 * sizeof(real_t)); + sbr->Q_temp_prev[0][j] = faad_malloc(64 * sizeof(real_t)); + sbr->Q_temp_prev[1][j] = faad_malloc(64 * sizeof(real_t)); + } + + memset(sbr->Xsbr[0], 0, (sbr->numTimeSlotsRate + sbr->tHFGen) * 64 * sizeof(qmf_t)); + memset(sbr->Xsbr[1], 0, (sbr->numTimeSlotsRate + sbr->tHFGen) * 64 * sizeof(qmf_t)); + } else { + /* mono */ + uint8_t j; + sbr->qmfa[0] = qmfa_init(32); + sbr->qmfs[0] = qmfs_init((downSampledSBR) ? 32 : 64); + sbr->qmfs[1] = NULL; + + for (j = 0; j < 5; j++) { + sbr->G_temp_prev[0][j] = faad_malloc(64 * sizeof(real_t)); + sbr->Q_temp_prev[0][j] = faad_malloc(64 * sizeof(real_t)); + } + + memset(sbr->Xsbr[0], 0, (sbr->numTimeSlotsRate + sbr->tHFGen) * 64 * sizeof(qmf_t)); + } + + return sbr; +} + +void sbrDecodeEnd(sbr_info *sbr) +{ + uint8_t j; + + if (sbr) { + qmfa_end(sbr->qmfa[0]); + qmfs_end(sbr->qmfs[0]); + if (sbr->qmfs[1] != NULL) { + qmfa_end(sbr->qmfa[1]); + qmfs_end(sbr->qmfs[1]); + } + + for (j = 0; j < 5; j++) { + if (sbr->G_temp_prev[0][j]) { + faad_free(sbr->G_temp_prev[0][j]); + } + if (sbr->Q_temp_prev[0][j]) { + faad_free(sbr->Q_temp_prev[0][j]); + } + if (sbr->G_temp_prev[1][j]) { + faad_free(sbr->G_temp_prev[1][j]); + } + if (sbr->Q_temp_prev[1][j]) { + faad_free(sbr->Q_temp_prev[1][j]); + } + } + +#ifdef PS_DEC + if (sbr->ps != NULL) { + ps_free(sbr->ps); + } +#endif + +#ifdef DRM_PS + if (sbr->drm_ps != NULL) { + drm_ps_free(sbr->drm_ps); + } +#endif + + faad_free(sbr); + } +} + +void sbrReset(sbr_info *sbr) +{ + uint8_t j; + if (sbr->qmfa[0] != NULL) { + memset(sbr->qmfa[0]->x, 0, 2 * sbr->qmfa[0]->channels * 10 * sizeof(real_t)); + } + if (sbr->qmfa[1] != NULL) { + memset(sbr->qmfa[1]->x, 0, 2 * sbr->qmfa[1]->channels * 10 * sizeof(real_t)); + } + if (sbr->qmfs[0] != NULL) { + memset(sbr->qmfs[0]->v, 0, 2 * sbr->qmfs[0]->channels * 20 * sizeof(real_t)); + } + if (sbr->qmfs[1] != NULL) { + memset(sbr->qmfs[1]->v, 0, 2 * sbr->qmfs[1]->channels * 20 * sizeof(real_t)); + } + + for (j = 0; j < 5; j++) { + if (sbr->G_temp_prev[0][j] != NULL) { + memset(sbr->G_temp_prev[0][j], 0, 64 * sizeof(real_t)); + } + if (sbr->G_temp_prev[1][j] != NULL) { + memset(sbr->G_temp_prev[1][j], 0, 64 * sizeof(real_t)); + } + if (sbr->Q_temp_prev[0][j] != NULL) { + memset(sbr->Q_temp_prev[0][j], 0, 64 * sizeof(real_t)); + } + if (sbr->Q_temp_prev[1][j] != NULL) { + memset(sbr->Q_temp_prev[1][j], 0, 64 * sizeof(real_t)); + } + } + + memset(sbr->Xsbr[0], 0, (sbr->numTimeSlotsRate + sbr->tHFGen) * 64 * sizeof(qmf_t)); + memset(sbr->Xsbr[1], 0, (sbr->numTimeSlotsRate + sbr->tHFGen) * 64 * sizeof(qmf_t)); + + sbr->GQ_ringbuf_index[0] = 0; + sbr->GQ_ringbuf_index[1] = 0; + sbr->header_count = 0; + sbr->Reset = 1; + + sbr->L_E_prev[0] = 0; + sbr->L_E_prev[1] = 0; + sbr->bs_freq_scale = 2; + sbr->bs_alter_scale = 1; + sbr->bs_noise_bands = 2; + sbr->bs_limiter_bands = 2; + sbr->bs_limiter_gains = 2; + sbr->bs_interpol_freq = 1; + sbr->bs_smoothing_mode = 1; + sbr->bs_start_freq = 5; + sbr->bs_amp_res = 1; + sbr->bs_samplerate_mode = 1; + sbr->prevEnvIsShort[0] = -1; + sbr->prevEnvIsShort[1] = -1; + sbr->bsco = 0; + sbr->bsco_prev = 0; + sbr->M_prev = 0; + sbr->bs_start_freq_prev = -1; + + sbr->f_prev[0] = 0; + sbr->f_prev[1] = 0; + for (j = 0; j < MAX_M; j++) { + sbr->E_prev[0][j] = 0; + sbr->Q_prev[0][j] = 0; + sbr->E_prev[1][j] = 0; + sbr->Q_prev[1][j] = 0; + sbr->bs_add_harmonic_prev[0][j] = 0; + sbr->bs_add_harmonic_prev[1][j] = 0; + } + sbr->bs_add_harmonic_flag_prev[0] = 0; + sbr->bs_add_harmonic_flag_prev[1] = 0; +} + +static uint8_t sbr_save_prev_data(sbr_info *sbr, uint8_t ch) +{ + uint8_t i; + + /* save data for next frame */ + sbr->kx_prev = sbr->kx; + sbr->M_prev = sbr->M; + sbr->bsco_prev = sbr->bsco; + + sbr->L_E_prev[ch] = sbr->L_E[ch]; + + /* sbr->L_E[ch] can become 0 on files with bit errors */ + if (sbr->L_E[ch] <= 0) { + return 19; + } + + sbr->f_prev[ch] = sbr->f[ch][sbr->L_E[ch] - 1]; + for (i = 0; i < MAX_M; i++) { + sbr->E_prev[ch][i] = sbr->E[ch][i][sbr->L_E[ch] - 1]; + sbr->Q_prev[ch][i] = sbr->Q[ch][i][sbr->L_Q[ch] - 1]; + } + + for (i = 0; i < MAX_M; i++) { + sbr->bs_add_harmonic_prev[ch][i] = sbr->bs_add_harmonic[ch][i]; + } + sbr->bs_add_harmonic_flag_prev[ch] = sbr->bs_add_harmonic_flag[ch]; + + if (sbr->l_A[ch] == sbr->L_E[ch]) { + sbr->prevEnvIsShort[ch] = 0; + } else { + sbr->prevEnvIsShort[ch] = -1; + } + + return 0; +} + +static void sbr_save_matrix(sbr_info *sbr, uint8_t ch) +{ + uint8_t i; + + for (i = 0; i < sbr->tHFGen; i++) { + memmove(sbr->Xsbr[ch][i], sbr->Xsbr[ch][i + sbr->numTimeSlotsRate], 64 * sizeof(qmf_t)); + } + for (i = sbr->tHFGen; i < MAX_NTSRHFG; i++) { + memset(sbr->Xsbr[ch][i], 0, 64 * sizeof(qmf_t)); + } +} + +static uint8_t sbr_process_channel(sbr_info *sbr, real_t *channel_buf, qmf_t X[MAX_NTSR][64], + uint8_t ch, uint8_t dont_process, + const uint8_t downSampledSBR) +{ + int16_t k, l; + uint8_t ret = 0; + +#ifdef SBR_LOW_POWER + ALIGN real_t deg[64]; +#endif + +#ifdef DRM + if (sbr->Is_DRM_SBR) { + sbr->bsco = max((int32_t)sbr->maxAACLine * 32 / (int32_t)sbr->frame_len - (int32_t)sbr->kx, 0); + } else { +#endif + sbr->bsco = 0; +#ifdef DRM + } +#endif + + + //#define PRE_QMF_PRINT +#ifdef PRE_QMF_PRINT + { + int i; + for (i = 0; i < 1024; i++) { + printf("%d\n", channel_buf[i]); + } + } +#endif + + + /* subband analysis */ + if (dont_process) { + sbr_qmf_analysis_32(sbr, sbr->qmfa[ch], channel_buf, sbr->Xsbr[ch], sbr->tHFGen, 32); + } else { + sbr_qmf_analysis_32(sbr, sbr->qmfa[ch], channel_buf, sbr->Xsbr[ch], sbr->tHFGen, sbr->kx); + } + + if (!dont_process) { +#if 1 + /* insert high frequencies here */ + /* hf generation using patching */ + hf_generation(sbr, sbr->Xsbr[ch], sbr->Xsbr[ch] +#ifdef SBR_LOW_POWER + , deg +#endif + , ch); +#endif + +#if 0 //def SBR_LOW_POWER + for (l = sbr->t_E[ch][0]; l < sbr->t_E[ch][sbr->L_E[ch]]; l++) { + for (k = 0; k < sbr->kx; k++) { + QMF_RE(sbr->Xsbr[ch][sbr->tHFAdj + l][k]) = 0; + } + } +#endif + +#if 1 + /* hf adjustment */ + ret = hf_adjustment(sbr, sbr->Xsbr[ch] +#ifdef SBR_LOW_POWER + , deg +#endif + , ch); +#endif + if (ret > 0) { + dont_process = 1; + } + } + + if ((sbr->just_seeked != 0) || dont_process) { + for (l = 0; l < sbr->numTimeSlotsRate; l++) { + for (k = 0; k < 32; k++) { + QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); +#ifndef SBR_LOW_POWER + QMF_IM(X[l][k]) = QMF_IM(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); +#endif + } + for (k = 32; k < 64; k++) { + QMF_RE(X[l][k]) = 0; +#ifndef SBR_LOW_POWER + QMF_IM(X[l][k]) = 0; +#endif + } + } + } else { + for (l = 0; l < sbr->numTimeSlotsRate; l++) { + uint8_t kx_band, M_band, bsco_band; + + if (l < sbr->t_E[ch][0]) { + kx_band = sbr->kx_prev; + M_band = sbr->M_prev; + bsco_band = sbr->bsco_prev; + } else { + kx_band = sbr->kx; + M_band = sbr->M; + bsco_band = sbr->bsco; + } + +#ifndef SBR_LOW_POWER + for (k = 0; k < kx_band + bsco_band; k++) { + QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); + QMF_IM(X[l][k]) = QMF_IM(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); + } + for (k = kx_band + bsco_band; k < kx_band + M_band; k++) { + QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); + QMF_IM(X[l][k]) = QMF_IM(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); + } + for (k = max(kx_band + bsco_band, kx_band + M_band); k < 64; k++) { + QMF_RE(X[l][k]) = 0; + QMF_IM(X[l][k]) = 0; + } +#else + for (k = 0; k < kx_band + bsco_band; k++) { + QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); + } + for (k = kx_band + bsco_band; k < min(kx_band + M_band, 63); k++) { + QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]); + } + for (k = max(kx_band + bsco_band, kx_band + M_band); k < 64; k++) { + QMF_RE(X[l][k]) = 0; + } + QMF_RE(X[l][kx_band - 1 + bsco_band]) += + QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][kx_band - 1 + bsco_band]); +#endif + } + } + + return ret; +} + +uint8_t sbrDecodeCoupleFrame(sbr_info *sbr, real_t *left_chan, real_t *right_chan, + const uint8_t just_seeked, const uint8_t downSampledSBR) +{ + uint8_t dont_process = 0; + uint8_t ret = 0; + ALIGN qmf_t X[MAX_NTSR][64]; + + if (sbr == NULL) { + return 20; + } + + /* case can occur due to bit errors */ + if (sbr->id_aac != ID_CPE) { + return 21; + } + + if (sbr->ret || (sbr->header_count == 0)) { + /* don't process just upsample */ + dont_process = 1; + + /* Re-activate reset for next frame */ + if (sbr->ret && sbr->Reset) { + sbr->bs_start_freq_prev = -1; + } + } + + if (just_seeked) { + sbr->just_seeked = 1; + } else { + sbr->just_seeked = 0; + } + + sbr->ret += sbr_process_channel(sbr, left_chan, X, 0, dont_process, downSampledSBR); + /* subband synthesis */ + if (downSampledSBR) { + sbr_qmf_synthesis_32(sbr, sbr->qmfs[0], X, left_chan); + } else { + sbr_qmf_synthesis_64(sbr, sbr->qmfs[0], X, left_chan); + } + + sbr->ret += sbr_process_channel(sbr, right_chan, X, 1, dont_process, downSampledSBR); + /* subband synthesis */ + if (downSampledSBR) { + sbr_qmf_synthesis_32(sbr, sbr->qmfs[1], X, right_chan); + } else { + sbr_qmf_synthesis_64(sbr, sbr->qmfs[1], X, right_chan); + } + + if (sbr->bs_header_flag) { + sbr->just_seeked = 0; + } + + if (sbr->header_count != 0 && sbr->ret == 0) { + ret = sbr_save_prev_data(sbr, 0); + if (ret) { + return ret; + } + ret = sbr_save_prev_data(sbr, 1); + if (ret) { + return ret; + } + } + + sbr_save_matrix(sbr, 0); + sbr_save_matrix(sbr, 1); + + sbr->frame++; + + //#define POST_QMF_PRINT +#ifdef POST_QMF_PRINT + { + int i; + for (i = 0; i < 2048; i++) { + printf("%d\n", left_chan[i]); + } + for (i = 0; i < 2048; i++) { + printf("%d\n", right_chan[i]); + } + } +#endif + + return 0; +} + +uint8_t sbrDecodeSingleFrame(sbr_info *sbr, real_t *channel, + const uint8_t just_seeked, const uint8_t downSampledSBR) +{ + uint8_t dont_process = 0; + uint8_t ret = 0; + ALIGN qmf_t X[MAX_NTSR][64]; + + if (sbr == NULL) { + return 20; + } + + /* case can occur due to bit errors */ + if (sbr->id_aac != ID_SCE && sbr->id_aac != ID_LFE) { + return 21; + } + + if (sbr->ret || (sbr->header_count == 0)) { + /* don't process just upsample */ + dont_process = 1; + + /* Re-activate reset for next frame */ + if (sbr->ret && sbr->Reset) { + sbr->bs_start_freq_prev = -1; + } + } + + if (just_seeked) { + sbr->just_seeked = 1; + } else { + sbr->just_seeked = 0; + } + + sbr->ret += sbr_process_channel(sbr, channel, X, 0, dont_process, downSampledSBR); + /* subband synthesis */ + if (downSampledSBR) { + sbr_qmf_synthesis_32(sbr, sbr->qmfs[0], X, channel); + } else { + sbr_qmf_synthesis_64(sbr, sbr->qmfs[0], X, channel); + } + + if (sbr->bs_header_flag) { + sbr->just_seeked = 0; + } + + if (sbr->header_count != 0 && sbr->ret == 0) { + ret = sbr_save_prev_data(sbr, 0); + if (ret) { + return ret; + } + } + + sbr_save_matrix(sbr, 0); + + sbr->frame++; + + //#define POST_QMF_PRINT +#ifdef POST_QMF_PRINT + { + int i; + for (i = 0; i < 2048; i++) { + printf("%d\n", channel[i]); + } + } +#endif + + return 0; +} + +#if (defined(PS_DEC) || defined(DRM_PS)) +uint8_t sbrDecodeSingleFramePS(sbr_info *sbr, real_t *left_channel, real_t *right_channel, + const uint8_t just_seeked, const uint8_t downSampledSBR) +{ + uint8_t l, k; + uint8_t dont_process = 0; + uint8_t ret = 0; + ALIGN qmf_t X_left[38][64] = {{0}}; + ALIGN qmf_t X_right[38][64] = {{0}}; /* must set this to 0 */ + + if (sbr == NULL) { + return 20; + } + + /* case can occur due to bit errors */ + if (sbr->id_aac != ID_SCE && sbr->id_aac != ID_LFE) { + return 21; + } + + if (sbr->ret || (sbr->header_count == 0)) { + /* don't process just upsample */ + dont_process = 1; + + /* Re-activate reset for next frame */ + if (sbr->ret && sbr->Reset) { + sbr->bs_start_freq_prev = -1; + } + } + + if (just_seeked) { + sbr->just_seeked = 1; + } else { + sbr->just_seeked = 0; + } + + if (sbr->qmfs[1] == NULL) { + sbr->qmfs[1] = qmfs_init((downSampledSBR) ? 32 : 64); + } + + sbr->ret += sbr_process_channel(sbr, left_channel, X_left, 0, dont_process, downSampledSBR); + + /* copy some extra data for PS */ + for (l = sbr->numTimeSlotsRate; l < sbr->numTimeSlotsRate + 6; l++) { + for (k = 0; k < 5; k++) { + QMF_RE(X_left[l][k]) = QMF_RE(sbr->Xsbr[0][sbr->tHFAdj + l][k]); + QMF_IM(X_left[l][k]) = QMF_IM(sbr->Xsbr[0][sbr->tHFAdj + l][k]); + } + } + + /* perform parametric stereo */ +#ifdef DRM_PS + if (sbr->Is_DRM_SBR) { + drm_ps_decode(sbr->drm_ps, (sbr->ret > 0), X_left, X_right); + } else { +#endif +#ifdef PS_DEC + ps_decode(sbr->ps, X_left, X_right); +#endif +#ifdef DRM_PS + } +#endif + + /* subband synthesis */ + if (downSampledSBR) { + sbr_qmf_synthesis_32(sbr, sbr->qmfs[0], X_left, left_channel); + sbr_qmf_synthesis_32(sbr, sbr->qmfs[1], X_right, right_channel); + } else { + sbr_qmf_synthesis_64(sbr, sbr->qmfs[0], X_left, left_channel); + sbr_qmf_synthesis_64(sbr, sbr->qmfs[1], X_right, right_channel); + } + + if (sbr->bs_header_flag) { + sbr->just_seeked = 0; + } + + if (sbr->header_count != 0 && sbr->ret == 0) { + ret = sbr_save_prev_data(sbr, 0); + if (ret) { + return ret; + } + } + + sbr_save_matrix(sbr, 0); + + sbr->frame++; + + return 0; +} +#endif + +#endif diff --git a/audio_codec/libfaad/sbr_dec.h b/audio_codec/libfaad/sbr_dec.h new file mode 100644 index 0000000..ec6dd2b --- a/dev/null +++ b/audio_codec/libfaad/sbr_dec.h @@ -0,0 +1,253 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_dec.h,v 1.39 2007/11/01 12:33:34 menno Exp $ +**/ + +#ifndef __SBR_DEC_H__ +#define __SBR_DEC_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef PS_DEC +#include "ps_dec.h" +#endif +#ifdef DRM_PS +#include "drm_dec.h" +#endif + + /* MAX_NTSRHFG: maximum of number_time_slots * rate + HFGen. 16*2+8 */ +#define MAX_NTSRHFG 40 +#define MAX_NTSR 32 /* max number_time_slots * rate, ok for DRM and not DRM mode */ + + /* MAX_M: maximum value for M */ +#define MAX_M 49 + /* MAX_L_E: maximum value for L_E */ +#define MAX_L_E 5 + + typedef struct { + real_t *x; + int16_t x_index; + uint8_t channels; + } qmfa_info; + + typedef struct { + real_t *v; + int16_t v_index; + uint8_t channels; + } qmfs_info; + + typedef struct { + uint32_t sample_rate; + uint32_t maxAACLine; + + uint8_t rate; + uint8_t just_seeked; + uint8_t ret; + + uint8_t amp_res[2]; + + uint8_t k0; + uint8_t kx; + uint8_t M; + uint8_t N_master; + uint8_t N_high; + uint8_t N_low; + uint8_t N_Q; + uint8_t N_L[4]; + uint8_t n[2]; + + uint8_t f_master[64]; + uint8_t f_table_res[2][64]; + uint8_t f_table_noise[64]; + uint8_t f_table_lim[4][64]; +#ifdef SBR_LOW_POWER + uint8_t f_group[5][64]; + uint8_t N_G[5]; +#endif + + uint8_t table_map_k_to_g[64]; + + uint8_t abs_bord_lead[2]; + uint8_t abs_bord_trail[2]; + uint8_t n_rel_lead[2]; + uint8_t n_rel_trail[2]; + + uint8_t L_E[2]; + uint8_t L_E_prev[2]; + uint8_t L_Q[2]; + + uint8_t t_E[2][MAX_L_E + 1]; + uint8_t t_Q[2][3]; + uint8_t f[2][MAX_L_E + 1]; + uint8_t f_prev[2]; + + real_t *G_temp_prev[2][5]; + real_t *Q_temp_prev[2][5]; + int8_t GQ_ringbuf_index[2]; + + int16_t E[2][64][MAX_L_E]; + int16_t E_prev[2][64]; +#ifndef FIXED_POINT + real_t E_orig[2][64][MAX_L_E]; +#endif + real_t E_curr[2][64][MAX_L_E]; + int32_t Q[2][64][2]; +#ifndef FIXED_POINT + real_t Q_div[2][64][2]; + real_t Q_div2[2][64][2]; +#endif + int32_t Q_prev[2][64]; + + int8_t l_A[2]; + int8_t l_A_prev[2]; + + uint8_t bs_invf_mode[2][MAX_L_E]; + uint8_t bs_invf_mode_prev[2][MAX_L_E]; + real_t bwArray[2][64]; + real_t bwArray_prev[2][64]; + + uint8_t noPatches; + uint8_t patchNoSubbands[64]; + uint8_t patchStartSubband[64]; + + uint8_t bs_add_harmonic[2][64]; + uint8_t bs_add_harmonic_prev[2][64]; + + uint16_t index_noise_prev[2]; + uint8_t psi_is_prev[2]; + + uint8_t bs_start_freq_prev; + uint8_t bs_stop_freq_prev; + uint8_t bs_xover_band_prev; + uint8_t bs_freq_scale_prev; + uint8_t bs_alter_scale_prev; + uint8_t bs_noise_bands_prev; + + int8_t prevEnvIsShort[2]; + + int8_t kx_prev; + uint8_t bsco; + uint8_t bsco_prev; + uint8_t M_prev; + uint16_t frame_len; + + uint8_t Reset; + uint32_t frame; + uint32_t header_count; + + uint8_t id_aac; + qmfa_info *qmfa[2]; + qmfs_info *qmfs[2]; + + qmf_t Xsbr[2][MAX_NTSRHFG][64]; + +#ifdef DRM + uint8_t Is_DRM_SBR; +#ifdef DRM_PS + drm_ps_info *drm_ps; +#endif +#endif + + uint8_t numTimeSlotsRate; + uint8_t numTimeSlots; + uint8_t tHFGen; + uint8_t tHFAdj; + +#ifdef PS_DEC + ps_info *ps; +#endif +#if (defined(PS_DEC) || defined(DRM_PS)) + uint8_t ps_used; + uint8_t psResetFlag; +#endif + + /* to get it compiling */ + /* we'll see during the coding of all the tools, whether + these are all used or not. + */ + uint8_t bs_header_flag; + uint8_t bs_crc_flag; + uint16_t bs_sbr_crc_bits; + uint8_t bs_protocol_version; + uint8_t bs_amp_res; + uint8_t bs_start_freq; + uint8_t bs_stop_freq; + uint8_t bs_xover_band; + uint8_t bs_freq_scale; + uint8_t bs_alter_scale; + uint8_t bs_noise_bands; + uint8_t bs_limiter_bands; + uint8_t bs_limiter_gains; + uint8_t bs_interpol_freq; + uint8_t bs_smoothing_mode; + uint8_t bs_samplerate_mode; + uint8_t bs_add_harmonic_flag[2]; + uint8_t bs_add_harmonic_flag_prev[2]; + uint8_t bs_extended_data; + uint8_t bs_extension_id; + uint8_t bs_extension_data; + uint8_t bs_coupling; + uint8_t bs_frame_class[2]; + uint8_t bs_rel_bord[2][9]; + uint8_t bs_rel_bord_0[2][9]; + uint8_t bs_rel_bord_1[2][9]; + uint8_t bs_pointer[2]; + uint8_t bs_abs_bord_0[2]; + uint8_t bs_abs_bord_1[2]; + uint8_t bs_num_rel_0[2]; + uint8_t bs_num_rel_1[2]; + uint8_t bs_df_env[2][9]; + uint8_t bs_df_noise[2][3]; + } sbr_info; + + sbr_info *sbrDecodeInit(uint16_t framelength, uint8_t id_aac, + uint32_t sample_rate, uint8_t downSampledSBR +#ifdef DRM + , uint8_t IsDRM +#endif + ); + void sbrDecodeEnd(sbr_info *sbr); + void sbrReset(sbr_info *sbr); + + uint8_t sbrDecodeCoupleFrame(sbr_info *sbr, real_t *left_chan, real_t *right_chan, + const uint8_t just_seeked, const uint8_t downSampledSBR); + uint8_t sbrDecodeSingleFrame(sbr_info *sbr, real_t *channel, + const uint8_t just_seeked, const uint8_t downSampledSBR); +#if (defined(PS_DEC) || defined(DRM_PS)) + uint8_t sbrDecodeSingleFramePS(sbr_info *sbr, real_t *left_channel, real_t *right_channel, + const uint8_t just_seeked, const uint8_t downSampledSBR); +#endif + + +#ifdef __cplusplus +} +#endif +#endif + diff --git a/audio_codec/libfaad/sbr_e_nf.c b/audio_codec/libfaad/sbr_e_nf.c new file mode 100644 index 0000000..84a5f61 --- a/dev/null +++ b/audio_codec/libfaad/sbr_e_nf.c @@ -0,0 +1,475 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_e_nf.c,v 1.22 2008/03/23 23:03:29 menno Exp $ +**/ +#include +#include "common.h" +#include "structs.h" + +#ifdef SBR_DEC + + +#include "sbr_syntax.h" +#include "sbr_e_nf.h" + +void extract_envelope_data(sbr_info *sbr, uint8_t ch) +{ + uint8_t l, k; + + for (l = 0; l < sbr->L_E[ch]; l++) { + if (sbr->bs_df_env[ch][l] == 0) { + for (k = 1; k < sbr->n[sbr->f[ch][l]]; k++) { + sbr->E[ch][k][l] = sbr->E[ch][k - 1][l] + sbr->E[ch][k][l]; + if (sbr->E[ch][k][l] < 0) { + sbr->E[ch][k][l] = 0; + } + } + + } else { /* bs_df_env == 1 */ + + uint8_t g = (l == 0) ? sbr->f_prev[ch] : sbr->f[ch][l - 1]; + int16_t E_prev; + + if (sbr->f[ch][l] == g) { + for (k = 0; k < sbr->n[sbr->f[ch][l]]; k++) { + if (l == 0) { + E_prev = sbr->E_prev[ch][k]; + } else { + E_prev = sbr->E[ch][k][l - 1]; + } + + sbr->E[ch][k][l] = E_prev + sbr->E[ch][k][l]; + } + + } else if ((g == 1) && (sbr->f[ch][l] == 0)) { + uint8_t i; + + for (k = 0; k < sbr->n[sbr->f[ch][l]]; k++) { + for (i = 0; i < sbr->N_high; i++) { + if (sbr->f_table_res[HI_RES][i] == sbr->f_table_res[LO_RES][k]) { + if (l == 0) { + E_prev = sbr->E_prev[ch][i]; + } else { + E_prev = sbr->E[ch][i][l - 1]; + } + + sbr->E[ch][k][l] = E_prev + sbr->E[ch][k][l]; + } + } + } + + } else if ((g == 0) && (sbr->f[ch][l] == 1)) { + uint8_t i; + + for (k = 0; k < sbr->n[sbr->f[ch][l]]; k++) { + for (i = 0; i < sbr->N_low; i++) { + if ((sbr->f_table_res[LO_RES][i] <= sbr->f_table_res[HI_RES][k]) && + (sbr->f_table_res[HI_RES][k] < sbr->f_table_res[LO_RES][i + 1])) { + if (l == 0) { + E_prev = sbr->E_prev[ch][i]; + } else { + E_prev = sbr->E[ch][i][l - 1]; + } + + sbr->E[ch][k][l] = E_prev + sbr->E[ch][k][l]; + } + } + } + } + } + } +} + +void extract_noise_floor_data(sbr_info *sbr, uint8_t ch) +{ + uint8_t l, k; + + for (l = 0; l < sbr->L_Q[ch]; l++) { + if (sbr->bs_df_noise[ch][l] == 0) { + for (k = 1; k < sbr->N_Q; k++) { + sbr->Q[ch][k][l] = sbr->Q[ch][k][l] + sbr->Q[ch][k - 1][l]; + } + } else { + if (l == 0) { + for (k = 0; k < sbr->N_Q; k++) { + sbr->Q[ch][k][l] = sbr->Q_prev[ch][k] + sbr->Q[ch][k][0]; + } + } else { + for (k = 0; k < sbr->N_Q; k++) { + sbr->Q[ch][k][l] = sbr->Q[ch][k][l - 1] + sbr->Q[ch][k][l]; + } + } + } + } +} + +#ifndef FIXED_POINT + +/* table for Q_div values when no coupling */ +static const real_t Q_div_tab[31] = { + FRAC_CONST(0.0153846), FRAC_CONST(0.030303), + FRAC_CONST(0.0588235), FRAC_CONST(0.111111), + FRAC_CONST(0.2), FRAC_CONST(0.333333), + FRAC_CONST(0.5), FRAC_CONST(0.666667), + FRAC_CONST(0.8), FRAC_CONST(0.888889), + FRAC_CONST(0.941176), FRAC_CONST(0.969697), + FRAC_CONST(0.984615), FRAC_CONST(0.992248), + FRAC_CONST(0.996109), FRAC_CONST(0.998051), + FRAC_CONST(0.999024), FRAC_CONST(0.999512), + FRAC_CONST(0.999756), FRAC_CONST(0.999878), + FRAC_CONST(0.999939), FRAC_CONST(0.999969), + FRAC_CONST(0.999985), FRAC_CONST(0.999992), + FRAC_CONST(0.999996), FRAC_CONST(0.999998), + FRAC_CONST(0.999999), FRAC_CONST(1), + FRAC_CONST(1), FRAC_CONST(1), + FRAC_CONST(1) +}; + +static const real_t Q_div_tab_left[31][13] = { + { FRAC_CONST(0.969704), FRAC_CONST(0.888985), FRAC_CONST(0.667532), FRAC_CONST(0.336788), FRAC_CONST(0.117241), FRAC_CONST(0.037594), FRAC_CONST(0.0153846), FRAC_CONST(0.00967118), FRAC_CONST(0.00823245), FRAC_CONST(0.00787211), FRAC_CONST(0.00778198), FRAC_CONST(0.00775945), FRAC_CONST(0.00775382) }, + { FRAC_CONST(0.984619), FRAC_CONST(0.94123), FRAC_CONST(0.800623), FRAC_CONST(0.503876), FRAC_CONST(0.209877), FRAC_CONST(0.0724638), FRAC_CONST(0.030303), FRAC_CONST(0.0191571), FRAC_CONST(0.0163305), FRAC_CONST(0.0156212), FRAC_CONST(0.0154438), FRAC_CONST(0.0153994), FRAC_CONST(0.0153883) }, + { FRAC_CONST(0.99225), FRAC_CONST(0.969726), FRAC_CONST(0.889273), FRAC_CONST(0.670103), FRAC_CONST(0.346939), FRAC_CONST(0.135135), FRAC_CONST(0.0588235), FRAC_CONST(0.037594), FRAC_CONST(0.0321361), FRAC_CONST(0.0307619), FRAC_CONST(0.0304178), FRAC_CONST(0.0303317), FRAC_CONST(0.0303102) }, + { FRAC_CONST(0.99611), FRAC_CONST(0.98463), FRAC_CONST(0.941392), FRAC_CONST(0.802469), FRAC_CONST(0.515152), FRAC_CONST(0.238095), FRAC_CONST(0.111111), FRAC_CONST(0.0724638), FRAC_CONST(0.0622711), FRAC_CONST(0.0596878), FRAC_CONST(0.0590397), FRAC_CONST(0.0588776), FRAC_CONST(0.058837) }, + { FRAC_CONST(0.998051), FRAC_CONST(0.992256), FRAC_CONST(0.969811), FRAC_CONST(0.890411), FRAC_CONST(0.68), FRAC_CONST(0.384615), FRAC_CONST(0.2), FRAC_CONST(0.135135), FRAC_CONST(0.117241), FRAC_CONST(0.112652), FRAC_CONST(0.111497), FRAC_CONST(0.111208), FRAC_CONST(0.111135) }, + { FRAC_CONST(0.999025), FRAC_CONST(0.996113), FRAC_CONST(0.984674), FRAC_CONST(0.942029), FRAC_CONST(0.809524), FRAC_CONST(0.555556), FRAC_CONST(0.333333), FRAC_CONST(0.238095), FRAC_CONST(0.209877), FRAC_CONST(0.202492), FRAC_CONST(0.200625), FRAC_CONST(0.200156), FRAC_CONST(0.200039) }, + { FRAC_CONST(0.999512), FRAC_CONST(0.998053), FRAC_CONST(0.992278), FRAC_CONST(0.970149), FRAC_CONST(0.894737), FRAC_CONST(0.714286), FRAC_CONST(0.5), FRAC_CONST(0.384615), FRAC_CONST(0.346939), FRAC_CONST(0.336788), FRAC_CONST(0.3342), FRAC_CONST(0.33355), FRAC_CONST(0.333388) }, + { FRAC_CONST(0.999756), FRAC_CONST(0.999025), FRAC_CONST(0.996124), FRAC_CONST(0.984848), FRAC_CONST(0.944444), FRAC_CONST(0.833333), FRAC_CONST(0.666667), FRAC_CONST(0.555556), FRAC_CONST(0.515152), FRAC_CONST(0.503876), FRAC_CONST(0.500975), FRAC_CONST(0.500244), FRAC_CONST(0.500061) }, + { FRAC_CONST(0.999878), FRAC_CONST(0.999512), FRAC_CONST(0.998058), FRAC_CONST(0.992366), FRAC_CONST(0.971429), FRAC_CONST(0.909091), FRAC_CONST(0.8), FRAC_CONST(0.714286), FRAC_CONST(0.68), FRAC_CONST(0.670103), FRAC_CONST(0.667532), FRAC_CONST(0.666884), FRAC_CONST(0.666721) }, + { FRAC_CONST(0.999939), FRAC_CONST(0.999756), FRAC_CONST(0.999028), FRAC_CONST(0.996169), FRAC_CONST(0.985507), FRAC_CONST(0.952381), FRAC_CONST(0.888889), FRAC_CONST(0.833333), FRAC_CONST(0.809524), FRAC_CONST(0.802469), FRAC_CONST(0.800623), FRAC_CONST(0.800156), FRAC_CONST(0.800039) }, + { FRAC_CONST(0.999969), FRAC_CONST(0.999878), FRAC_CONST(0.999514), FRAC_CONST(0.998081), FRAC_CONST(0.992701), FRAC_CONST(0.97561), FRAC_CONST(0.941176), FRAC_CONST(0.909091), FRAC_CONST(0.894737), FRAC_CONST(0.890411), FRAC_CONST(0.889273), FRAC_CONST(0.888985), FRAC_CONST(0.888913) }, + { FRAC_CONST(0.999985), FRAC_CONST(0.999939), FRAC_CONST(0.999757), FRAC_CONST(0.999039), FRAC_CONST(0.996337), FRAC_CONST(0.987654), FRAC_CONST(0.969697), FRAC_CONST(0.952381), FRAC_CONST(0.944444), FRAC_CONST(0.942029), FRAC_CONST(0.941392), FRAC_CONST(0.94123), FRAC_CONST(0.94119) }, + { FRAC_CONST(0.999992), FRAC_CONST(0.99997), FRAC_CONST(0.999878), FRAC_CONST(0.999519), FRAC_CONST(0.998165), FRAC_CONST(0.993789), FRAC_CONST(0.984615), FRAC_CONST(0.97561), FRAC_CONST(0.971429), FRAC_CONST(0.970149), FRAC_CONST(0.969811), FRAC_CONST(0.969726), FRAC_CONST(0.969704) }, + { FRAC_CONST(0.999996), FRAC_CONST(0.999985), FRAC_CONST(0.999939), FRAC_CONST(0.99976), FRAC_CONST(0.999082), FRAC_CONST(0.996885), FRAC_CONST(0.992248), FRAC_CONST(0.987654), FRAC_CONST(0.985507), FRAC_CONST(0.984848), FRAC_CONST(0.984674), FRAC_CONST(0.98463), FRAC_CONST(0.984619) }, + { FRAC_CONST(0.999998), FRAC_CONST(0.999992), FRAC_CONST(0.99997), FRAC_CONST(0.99988), FRAC_CONST(0.999541), FRAC_CONST(0.99844), FRAC_CONST(0.996109), FRAC_CONST(0.993789), FRAC_CONST(0.992701), FRAC_CONST(0.992366), FRAC_CONST(0.992278), FRAC_CONST(0.992256), FRAC_CONST(0.99225) }, + { FRAC_CONST(0.999999), FRAC_CONST(0.999996), FRAC_CONST(0.999985), FRAC_CONST(0.99994), FRAC_CONST(0.99977), FRAC_CONST(0.999219), FRAC_CONST(0.998051), FRAC_CONST(0.996885), FRAC_CONST(0.996337), FRAC_CONST(0.996169), FRAC_CONST(0.996124), FRAC_CONST(0.996113), FRAC_CONST(0.99611) }, + { FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999992), FRAC_CONST(0.99997), FRAC_CONST(0.999885), FRAC_CONST(0.99961), FRAC_CONST(0.999024), FRAC_CONST(0.99844), FRAC_CONST(0.998165), FRAC_CONST(0.998081), FRAC_CONST(0.998058), FRAC_CONST(0.998053), FRAC_CONST(0.998051) }, + { FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999996), FRAC_CONST(0.999985), FRAC_CONST(0.999943), FRAC_CONST(0.999805), FRAC_CONST(0.999512), FRAC_CONST(0.999219), FRAC_CONST(0.999082), FRAC_CONST(0.999039), FRAC_CONST(0.999028), FRAC_CONST(0.999025), FRAC_CONST(0.999025) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999992), FRAC_CONST(0.999971), FRAC_CONST(0.999902), FRAC_CONST(0.999756), FRAC_CONST(0.99961), FRAC_CONST(0.999541), FRAC_CONST(0.999519), FRAC_CONST(0.999514), FRAC_CONST(0.999512), FRAC_CONST(0.999512) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999996), FRAC_CONST(0.999986), FRAC_CONST(0.999951), FRAC_CONST(0.999878), FRAC_CONST(0.999805), FRAC_CONST(0.99977), FRAC_CONST(0.99976), FRAC_CONST(0.999757), FRAC_CONST(0.999756), FRAC_CONST(0.999756) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999993), FRAC_CONST(0.999976), FRAC_CONST(0.999939), FRAC_CONST(0.999902), FRAC_CONST(0.999885), FRAC_CONST(0.99988), FRAC_CONST(0.999878), FRAC_CONST(0.999878), FRAC_CONST(0.999878) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999996), FRAC_CONST(0.999988), FRAC_CONST(0.999969), FRAC_CONST(0.999951), FRAC_CONST(0.999943), FRAC_CONST(0.99994), FRAC_CONST(0.999939), FRAC_CONST(0.999939), FRAC_CONST(0.999939) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999994), FRAC_CONST(0.999985), FRAC_CONST(0.999976), FRAC_CONST(0.999971), FRAC_CONST(0.99997), FRAC_CONST(0.99997), FRAC_CONST(0.99997), FRAC_CONST(0.999969) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999997), FRAC_CONST(0.999992), FRAC_CONST(0.999988), FRAC_CONST(0.999986), FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999985) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999996), FRAC_CONST(0.999994), FRAC_CONST(0.999993), FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999992) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999998), FRAC_CONST(0.999997), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) } +}; + +static const real_t Q_div_tab_right[31][13] = { + { FRAC_CONST(0.00775382), FRAC_CONST(0.00775945), FRAC_CONST(0.00778198), FRAC_CONST(0.00787211), FRAC_CONST(0.00823245), FRAC_CONST(0.00967118), FRAC_CONST(0.0153846), FRAC_CONST(0.037594), FRAC_CONST(0.117241), FRAC_CONST(0.336788), FRAC_CONST(0.667532), FRAC_CONST(0.888985), FRAC_CONST(0.969704) }, + { FRAC_CONST(0.0153883), FRAC_CONST(0.0153994), FRAC_CONST(0.0154438), FRAC_CONST(0.0156212), FRAC_CONST(0.0163305), FRAC_CONST(0.0191571), FRAC_CONST(0.030303), FRAC_CONST(0.0724638), FRAC_CONST(0.209877), FRAC_CONST(0.503876), FRAC_CONST(0.800623), FRAC_CONST(0.94123), FRAC_CONST(0.984619) }, + { FRAC_CONST(0.0303102), FRAC_CONST(0.0303317), FRAC_CONST(0.0304178), FRAC_CONST(0.0307619), FRAC_CONST(0.0321361), FRAC_CONST(0.037594), FRAC_CONST(0.0588235), FRAC_CONST(0.135135), FRAC_CONST(0.346939), FRAC_CONST(0.670103), FRAC_CONST(0.889273), FRAC_CONST(0.969726), FRAC_CONST(0.99225) }, + { FRAC_CONST(0.058837), FRAC_CONST(0.0588776), FRAC_CONST(0.0590397), FRAC_CONST(0.0596878), FRAC_CONST(0.0622711), FRAC_CONST(0.0724638), FRAC_CONST(0.111111), FRAC_CONST(0.238095), FRAC_CONST(0.515152), FRAC_CONST(0.802469), FRAC_CONST(0.941392), FRAC_CONST(0.98463), FRAC_CONST(0.99611) }, + { FRAC_CONST(0.111135), FRAC_CONST(0.111208), FRAC_CONST(0.111497), FRAC_CONST(0.112652), FRAC_CONST(0.117241), FRAC_CONST(0.135135), FRAC_CONST(0.2), FRAC_CONST(0.384615), FRAC_CONST(0.68), FRAC_CONST(0.890411), FRAC_CONST(0.969811), FRAC_CONST(0.992256), FRAC_CONST(0.998051) }, + { FRAC_CONST(0.200039), FRAC_CONST(0.200156), FRAC_CONST(0.200625), FRAC_CONST(0.202492), FRAC_CONST(0.209877), FRAC_CONST(0.238095), FRAC_CONST(0.333333), FRAC_CONST(0.555556), FRAC_CONST(0.809524), FRAC_CONST(0.942029), FRAC_CONST(0.984674), FRAC_CONST(0.996113), FRAC_CONST(0.999025) }, + { FRAC_CONST(0.333388), FRAC_CONST(0.33355), FRAC_CONST(0.3342), FRAC_CONST(0.336788), FRAC_CONST(0.346939), FRAC_CONST(0.384615), FRAC_CONST(0.5), FRAC_CONST(0.714286), FRAC_CONST(0.894737), FRAC_CONST(0.970149), FRAC_CONST(0.992278), FRAC_CONST(0.998053), FRAC_CONST(0.999512) }, + { FRAC_CONST(0.500061), FRAC_CONST(0.500244), FRAC_CONST(0.500975), FRAC_CONST(0.503876), FRAC_CONST(0.515152), FRAC_CONST(0.555556), FRAC_CONST(0.666667), FRAC_CONST(0.833333), FRAC_CONST(0.944444), FRAC_CONST(0.984848), FRAC_CONST(0.996124), FRAC_CONST(0.999025), FRAC_CONST(0.999756) }, + { FRAC_CONST(0.666721), FRAC_CONST(0.666884), FRAC_CONST(0.667532), FRAC_CONST(0.670103), FRAC_CONST(0.68), FRAC_CONST(0.714286), FRAC_CONST(0.8), FRAC_CONST(0.909091), FRAC_CONST(0.971429), FRAC_CONST(0.992366), FRAC_CONST(0.998058), FRAC_CONST(0.999512), FRAC_CONST(0.999878) }, + { FRAC_CONST(0.800039), FRAC_CONST(0.800156), FRAC_CONST(0.800623), FRAC_CONST(0.802469), FRAC_CONST(0.809524), FRAC_CONST(0.833333), FRAC_CONST(0.888889), FRAC_CONST(0.952381), FRAC_CONST(0.985507), FRAC_CONST(0.996169), FRAC_CONST(0.999028), FRAC_CONST(0.999756), FRAC_CONST(0.999939) }, + { FRAC_CONST(0.888913), FRAC_CONST(0.888985), FRAC_CONST(0.889273), FRAC_CONST(0.890411), FRAC_CONST(0.894737), FRAC_CONST(0.909091), FRAC_CONST(0.941176), FRAC_CONST(0.97561), FRAC_CONST(0.992701), FRAC_CONST(0.998081), FRAC_CONST(0.999514), FRAC_CONST(0.999878), FRAC_CONST(0.999969) }, + { FRAC_CONST(0.94119), FRAC_CONST(0.94123), FRAC_CONST(0.941392), FRAC_CONST(0.942029), FRAC_CONST(0.944444), FRAC_CONST(0.952381), FRAC_CONST(0.969697), FRAC_CONST(0.987654), FRAC_CONST(0.996337), FRAC_CONST(0.999039), FRAC_CONST(0.999757), FRAC_CONST(0.999939), FRAC_CONST(0.999985) }, + { FRAC_CONST(0.969704), FRAC_CONST(0.969726), FRAC_CONST(0.969811), FRAC_CONST(0.970149), FRAC_CONST(0.971429), FRAC_CONST(0.97561), FRAC_CONST(0.984615), FRAC_CONST(0.993789), FRAC_CONST(0.998165), FRAC_CONST(0.999519), FRAC_CONST(0.999878), FRAC_CONST(0.99997), FRAC_CONST(0.999992) }, + { FRAC_CONST(0.984619), FRAC_CONST(0.98463), FRAC_CONST(0.984674), FRAC_CONST(0.984848), FRAC_CONST(0.985507), FRAC_CONST(0.987654), FRAC_CONST(0.992248), FRAC_CONST(0.996885), FRAC_CONST(0.999082), FRAC_CONST(0.99976), FRAC_CONST(0.999939), FRAC_CONST(0.999985), FRAC_CONST(0.999996) }, + { FRAC_CONST(0.99225), FRAC_CONST(0.992256), FRAC_CONST(0.992278), FRAC_CONST(0.992366), FRAC_CONST(0.992701), FRAC_CONST(0.993789), FRAC_CONST(0.996109), FRAC_CONST(0.99844), FRAC_CONST(0.999541), FRAC_CONST(0.99988), FRAC_CONST(0.99997), FRAC_CONST(0.999992), FRAC_CONST(0.999998) }, + { FRAC_CONST(0.99611), FRAC_CONST(0.996113), FRAC_CONST(0.996124), FRAC_CONST(0.996169), FRAC_CONST(0.996337), FRAC_CONST(0.996885), FRAC_CONST(0.998051), FRAC_CONST(0.999219), FRAC_CONST(0.99977), FRAC_CONST(0.99994), FRAC_CONST(0.999985), FRAC_CONST(0.999996), FRAC_CONST(0.999999) }, + { FRAC_CONST(0.998051), FRAC_CONST(0.998053), FRAC_CONST(0.998058), FRAC_CONST(0.998081), FRAC_CONST(0.998165), FRAC_CONST(0.99844), FRAC_CONST(0.999024), FRAC_CONST(0.99961), FRAC_CONST(0.999885), FRAC_CONST(0.99997), FRAC_CONST(0.999992), FRAC_CONST(0.999998), FRAC_CONST(1) }, + { FRAC_CONST(0.999025), FRAC_CONST(0.999025), FRAC_CONST(0.999028), FRAC_CONST(0.999039), FRAC_CONST(0.999082), FRAC_CONST(0.999219), FRAC_CONST(0.999512), FRAC_CONST(0.999805), FRAC_CONST(0.999943), FRAC_CONST(0.999985), FRAC_CONST(0.999996), FRAC_CONST(0.999999), FRAC_CONST(1) }, + { FRAC_CONST(0.999512), FRAC_CONST(0.999512), FRAC_CONST(0.999514), FRAC_CONST(0.999519), FRAC_CONST(0.999541), FRAC_CONST(0.99961), FRAC_CONST(0.999756), FRAC_CONST(0.999902), FRAC_CONST(0.999971), FRAC_CONST(0.999992), FRAC_CONST(0.999998), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(0.999756), FRAC_CONST(0.999756), FRAC_CONST(0.999757), FRAC_CONST(0.99976), FRAC_CONST(0.99977), FRAC_CONST(0.999805), FRAC_CONST(0.999878), FRAC_CONST(0.999951), FRAC_CONST(0.999986), FRAC_CONST(0.999996), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(0.999878), FRAC_CONST(0.999878), FRAC_CONST(0.999878), FRAC_CONST(0.99988), FRAC_CONST(0.999885), FRAC_CONST(0.999902), FRAC_CONST(0.999939), FRAC_CONST(0.999976), FRAC_CONST(0.999993), FRAC_CONST(0.999998), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(0.999939), FRAC_CONST(0.999939), FRAC_CONST(0.999939), FRAC_CONST(0.99994), FRAC_CONST(0.999943), FRAC_CONST(0.999951), FRAC_CONST(0.999969), FRAC_CONST(0.999988), FRAC_CONST(0.999996), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(0.999969), FRAC_CONST(0.99997), FRAC_CONST(0.99997), FRAC_CONST(0.99997), FRAC_CONST(0.999971), FRAC_CONST(0.999976), FRAC_CONST(0.999985), FRAC_CONST(0.999994), FRAC_CONST(0.999998), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999986), FRAC_CONST(0.999988), FRAC_CONST(0.999992), FRAC_CONST(0.999997), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999993), FRAC_CONST(0.999994), FRAC_CONST(0.999996), FRAC_CONST(0.999998), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999997), FRAC_CONST(0.999998), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, + { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) } +}; + +/* calculates 1/(1+Q) */ +/* [0..1] */ +static real_t calc_Q_div(sbr_info *sbr, uint8_t ch, uint8_t m, uint8_t l) +{ + if (sbr->bs_coupling) { + /* left channel */ + if ((sbr->Q[0][m][l] < 0 || sbr->Q[0][m][l] > 30) || + (sbr->Q[1][m][l] < 0 || sbr->Q[1][m][l] > 24 /* 2*panOffset(1) */)) { + return 0; + } else { + /* the pan parameter is always even */ + if (ch == 0) { + return Q_div_tab_left[sbr->Q[0][m][l]][sbr->Q[1][m][l] >> 1]; + } else { + return Q_div_tab_right[sbr->Q[0][m][l]][sbr->Q[1][m][l] >> 1]; + } + } + } else { + /* no coupling */ + if (sbr->Q[ch][m][l] < 0 || sbr->Q[ch][m][l] > 30) { + return 0; + } else { + return Q_div_tab[sbr->Q[ch][m][l]]; + } + } +} + +/* table for Q_div2 values when no coupling */ +static const real_t Q_div2_tab[31] = { + FRAC_CONST(0.984615), FRAC_CONST(0.969697), + FRAC_CONST(0.941176), FRAC_CONST(0.888889), + FRAC_CONST(0.8), FRAC_CONST(0.666667), + FRAC_CONST(0.5), FRAC_CONST(0.333333), + FRAC_CONST(0.2), FRAC_CONST(0.111111), + FRAC_CONST(0.0588235), FRAC_CONST(0.030303), + FRAC_CONST(0.0153846), FRAC_CONST(0.00775194), + FRAC_CONST(0.00389105), FRAC_CONST(0.00194932), + FRAC_CONST(0.00097561), FRAC_CONST(0.000488043), + FRAC_CONST(0.000244081), FRAC_CONST(0.000122055), + FRAC_CONST(6.10314E-005), FRAC_CONST(3.05166E-005), + FRAC_CONST(1.52586E-005), FRAC_CONST(7.62934E-006), + FRAC_CONST(3.81468E-006), FRAC_CONST(1.90734E-006), + FRAC_CONST(9.53673E-007), FRAC_CONST(4.76837E-007), + FRAC_CONST(2.38419E-007), FRAC_CONST(1.19209E-007), + FRAC_CONST(5.96046E-008) +}; + +static const real_t Q_div2_tab_left[31][13] = { + { FRAC_CONST(0.0302959), FRAC_CONST(0.111015), FRAC_CONST(0.332468), FRAC_CONST(0.663212), FRAC_CONST(0.882759), FRAC_CONST(0.962406), FRAC_CONST(0.984615), FRAC_CONST(0.990329), FRAC_CONST(0.991768), FRAC_CONST(0.992128), FRAC_CONST(0.992218), FRAC_CONST(0.992241), FRAC_CONST(0.992246) }, + { FRAC_CONST(0.0153809), FRAC_CONST(0.0587695), FRAC_CONST(0.199377), FRAC_CONST(0.496124), FRAC_CONST(0.790123), FRAC_CONST(0.927536), FRAC_CONST(0.969697), FRAC_CONST(0.980843), FRAC_CONST(0.98367), FRAC_CONST(0.984379), FRAC_CONST(0.984556), FRAC_CONST(0.984601), FRAC_CONST(0.984612) }, + { FRAC_CONST(0.00775006), FRAC_CONST(0.0302744), FRAC_CONST(0.110727), FRAC_CONST(0.329897), FRAC_CONST(0.653061), FRAC_CONST(0.864865), FRAC_CONST(0.941176), FRAC_CONST(0.962406), FRAC_CONST(0.967864), FRAC_CONST(0.969238), FRAC_CONST(0.969582), FRAC_CONST(0.969668), FRAC_CONST(0.96969) }, + { FRAC_CONST(0.0038901), FRAC_CONST(0.0153698), FRAC_CONST(0.0586081), FRAC_CONST(0.197531), FRAC_CONST(0.484848), FRAC_CONST(0.761905), FRAC_CONST(0.888889), FRAC_CONST(0.927536), FRAC_CONST(0.937729), FRAC_CONST(0.940312), FRAC_CONST(0.94096), FRAC_CONST(0.941122), FRAC_CONST(0.941163) }, + { FRAC_CONST(0.00194884), FRAC_CONST(0.00774443), FRAC_CONST(0.0301887), FRAC_CONST(0.109589), FRAC_CONST(0.32), FRAC_CONST(0.615385), FRAC_CONST(0.8), FRAC_CONST(0.864865), FRAC_CONST(0.882759), FRAC_CONST(0.887348), FRAC_CONST(0.888503), FRAC_CONST(0.888792), FRAC_CONST(0.888865) }, + { FRAC_CONST(0.000975372), FRAC_CONST(0.00388727), FRAC_CONST(0.0153257), FRAC_CONST(0.057971), FRAC_CONST(0.190476), FRAC_CONST(0.444444), FRAC_CONST(0.666667), FRAC_CONST(0.761905), FRAC_CONST(0.790123), FRAC_CONST(0.797508), FRAC_CONST(0.799375), FRAC_CONST(0.799844), FRAC_CONST(0.799961) }, + { FRAC_CONST(0.000487924), FRAC_CONST(0.00194742), FRAC_CONST(0.00772201), FRAC_CONST(0.0298507), FRAC_CONST(0.105263), FRAC_CONST(0.285714), FRAC_CONST(0.5), FRAC_CONST(0.615385), FRAC_CONST(0.653061), FRAC_CONST(0.663212), FRAC_CONST(0.6658), FRAC_CONST(0.66645), FRAC_CONST(0.666612) }, + { FRAC_CONST(0.000244021), FRAC_CONST(0.000974659), FRAC_CONST(0.00387597), FRAC_CONST(0.0151515), FRAC_CONST(0.0555556), FRAC_CONST(0.166667), FRAC_CONST(0.333333), FRAC_CONST(0.444444), FRAC_CONST(0.484848), FRAC_CONST(0.496124), FRAC_CONST(0.499025), FRAC_CONST(0.499756), FRAC_CONST(0.499939) }, + { FRAC_CONST(0.000122026), FRAC_CONST(0.000487567), FRAC_CONST(0.00194175), FRAC_CONST(0.00763359), FRAC_CONST(0.0285714), FRAC_CONST(0.0909091), FRAC_CONST(0.2), FRAC_CONST(0.285714), FRAC_CONST(0.32), FRAC_CONST(0.329897), FRAC_CONST(0.332468), FRAC_CONST(0.333116), FRAC_CONST(0.333279) }, + { FRAC_CONST(6.10165E-005), FRAC_CONST(0.000243843), FRAC_CONST(0.000971817), FRAC_CONST(0.00383142), FRAC_CONST(0.0144928), FRAC_CONST(0.047619), FRAC_CONST(0.111111), FRAC_CONST(0.166667), FRAC_CONST(0.190476), FRAC_CONST(0.197531), FRAC_CONST(0.199377), FRAC_CONST(0.199844), FRAC_CONST(0.199961) }, + { FRAC_CONST(3.05092E-005), FRAC_CONST(0.000121936), FRAC_CONST(0.000486145), FRAC_CONST(0.00191939), FRAC_CONST(0.00729927), FRAC_CONST(0.0243902), FRAC_CONST(0.0588235), FRAC_CONST(0.0909091), FRAC_CONST(0.105263), FRAC_CONST(0.109589), FRAC_CONST(0.110727), FRAC_CONST(0.111015), FRAC_CONST(0.111087) }, + { FRAC_CONST(1.52548E-005), FRAC_CONST(6.09719E-005), FRAC_CONST(0.000243132), FRAC_CONST(0.000960615), FRAC_CONST(0.003663), FRAC_CONST(0.0123457), FRAC_CONST(0.030303), FRAC_CONST(0.047619), FRAC_CONST(0.0555556), FRAC_CONST(0.057971), FRAC_CONST(0.0586081), FRAC_CONST(0.0587695), FRAC_CONST(0.05881) }, + { FRAC_CONST(7.62747E-006), FRAC_CONST(3.04869E-005), FRAC_CONST(0.000121581), FRAC_CONST(0.000480538), FRAC_CONST(0.00183486), FRAC_CONST(0.00621118), FRAC_CONST(0.0153846), FRAC_CONST(0.0243902), FRAC_CONST(0.0285714), FRAC_CONST(0.0298507), FRAC_CONST(0.0301887), FRAC_CONST(0.0302744), FRAC_CONST(0.0302959) }, + { FRAC_CONST(3.81375E-006), FRAC_CONST(1.52437E-005), FRAC_CONST(6.0794E-005), FRAC_CONST(0.000240327), FRAC_CONST(0.000918274), FRAC_CONST(0.00311526), FRAC_CONST(0.00775194), FRAC_CONST(0.0123457), FRAC_CONST(0.0144928), FRAC_CONST(0.0151515), FRAC_CONST(0.0153257), FRAC_CONST(0.0153698), FRAC_CONST(0.0153809) }, + { FRAC_CONST(1.90688E-006), FRAC_CONST(7.62189E-006), FRAC_CONST(3.03979E-005), FRAC_CONST(0.000120178), FRAC_CONST(0.000459348), FRAC_CONST(0.00156006), FRAC_CONST(0.00389105), FRAC_CONST(0.00621118), FRAC_CONST(0.00729927), FRAC_CONST(0.00763359), FRAC_CONST(0.00772201), FRAC_CONST(0.00774443), FRAC_CONST(0.00775006) }, + { FRAC_CONST(9.53441E-007), FRAC_CONST(3.81096E-006), FRAC_CONST(1.51992E-005), FRAC_CONST(6.00925E-005), FRAC_CONST(0.000229727), FRAC_CONST(0.00078064), FRAC_CONST(0.00194932), FRAC_CONST(0.00311526), FRAC_CONST(0.003663), FRAC_CONST(0.00383142), FRAC_CONST(0.00387597), FRAC_CONST(0.00388727), FRAC_CONST(0.0038901) }, + { FRAC_CONST(4.76721E-007), FRAC_CONST(1.90548E-006), FRAC_CONST(7.59965E-006), FRAC_CONST(3.00472E-005), FRAC_CONST(0.000114877), FRAC_CONST(0.000390472), FRAC_CONST(0.00097561), FRAC_CONST(0.00156006), FRAC_CONST(0.00183486), FRAC_CONST(0.00191939), FRAC_CONST(0.00194175), FRAC_CONST(0.00194742), FRAC_CONST(0.00194884) }, + { FRAC_CONST(2.3836E-007), FRAC_CONST(9.52743E-007), FRAC_CONST(3.79984E-006), FRAC_CONST(1.50238E-005), FRAC_CONST(5.74416E-005), FRAC_CONST(0.000195274), FRAC_CONST(0.000488043), FRAC_CONST(0.00078064), FRAC_CONST(0.000918274), FRAC_CONST(0.000960615), FRAC_CONST(0.000971817), FRAC_CONST(0.000974659), FRAC_CONST(0.000975372) }, + { FRAC_CONST(1.1918E-007), FRAC_CONST(4.76372E-007), FRAC_CONST(1.89992E-006), FRAC_CONST(7.51196E-006), FRAC_CONST(2.87216E-005), FRAC_CONST(9.76467E-005), FRAC_CONST(0.000244081), FRAC_CONST(0.000390472), FRAC_CONST(0.000459348), FRAC_CONST(0.000480538), FRAC_CONST(0.000486145), FRAC_CONST(0.000487567), FRAC_CONST(0.000487924) }, + { FRAC_CONST(5.95901E-008), FRAC_CONST(2.38186E-007), FRAC_CONST(9.49963E-007), FRAC_CONST(3.756E-006), FRAC_CONST(1.4361E-005), FRAC_CONST(4.88257E-005), FRAC_CONST(0.000122055), FRAC_CONST(0.000195274), FRAC_CONST(0.000229727), FRAC_CONST(0.000240327), FRAC_CONST(0.000243132), FRAC_CONST(0.000243843), FRAC_CONST(0.000244021) }, + { FRAC_CONST(2.9795E-008), FRAC_CONST(1.19093E-007), FRAC_CONST(4.74982E-007), FRAC_CONST(1.878E-006), FRAC_CONST(7.18056E-006), FRAC_CONST(2.44135E-005), FRAC_CONST(6.10314E-005), FRAC_CONST(9.76467E-005), FRAC_CONST(0.000114877), FRAC_CONST(0.000120178), FRAC_CONST(0.000121581), FRAC_CONST(0.000121936), FRAC_CONST(0.000122026) }, + { FRAC_CONST(1.48975E-008), FRAC_CONST(5.95465E-008), FRAC_CONST(2.37491E-007), FRAC_CONST(9.39002E-007), FRAC_CONST(3.59029E-006), FRAC_CONST(1.22069E-005), FRAC_CONST(3.05166E-005), FRAC_CONST(4.88257E-005), FRAC_CONST(5.74416E-005), FRAC_CONST(6.00925E-005), FRAC_CONST(6.0794E-005), FRAC_CONST(6.09719E-005), FRAC_CONST(6.10165E-005) }, + { FRAC_CONST(7.44876E-009), FRAC_CONST(2.97732E-008), FRAC_CONST(1.18745E-007), FRAC_CONST(4.69501E-007), FRAC_CONST(1.79515E-006), FRAC_CONST(6.10348E-006), FRAC_CONST(1.52586E-005), FRAC_CONST(2.44135E-005), FRAC_CONST(2.87216E-005), FRAC_CONST(3.00472E-005), FRAC_CONST(3.03979E-005), FRAC_CONST(3.04869E-005), FRAC_CONST(3.05092E-005) }, + { FRAC_CONST(3.72438E-009), FRAC_CONST(1.48866E-008), FRAC_CONST(5.93727E-008), FRAC_CONST(2.34751E-007), FRAC_CONST(8.97575E-007), FRAC_CONST(3.05175E-006), FRAC_CONST(7.62934E-006), FRAC_CONST(1.22069E-005), FRAC_CONST(1.4361E-005), FRAC_CONST(1.50238E-005), FRAC_CONST(1.51992E-005), FRAC_CONST(1.52437E-005), FRAC_CONST(1.52548E-005) }, + { FRAC_CONST(1.86219E-009), FRAC_CONST(7.44331E-009), FRAC_CONST(2.96864E-008), FRAC_CONST(1.17375E-007), FRAC_CONST(4.48788E-007), FRAC_CONST(1.52588E-006), FRAC_CONST(3.81468E-006), FRAC_CONST(6.10348E-006), FRAC_CONST(7.18056E-006), FRAC_CONST(7.51196E-006), FRAC_CONST(7.59965E-006), FRAC_CONST(7.62189E-006), FRAC_CONST(7.62747E-006) }, + { FRAC_CONST(9.31095E-010), FRAC_CONST(3.72166E-009), FRAC_CONST(1.48432E-008), FRAC_CONST(5.86876E-008), FRAC_CONST(2.24394E-007), FRAC_CONST(7.62939E-007), FRAC_CONST(1.90734E-006), FRAC_CONST(3.05175E-006), FRAC_CONST(3.59029E-006), FRAC_CONST(3.756E-006), FRAC_CONST(3.79984E-006), FRAC_CONST(3.81096E-006), FRAC_CONST(3.81375E-006) }, + { FRAC_CONST(4.65548E-010), FRAC_CONST(1.86083E-009), FRAC_CONST(7.42159E-009), FRAC_CONST(2.93438E-008), FRAC_CONST(1.12197E-007), FRAC_CONST(3.8147E-007), FRAC_CONST(9.53673E-007), FRAC_CONST(1.52588E-006), FRAC_CONST(1.79515E-006), FRAC_CONST(1.878E-006), FRAC_CONST(1.89992E-006), FRAC_CONST(1.90548E-006), FRAC_CONST(1.90688E-006) }, + { FRAC_CONST(2.32774E-010), FRAC_CONST(9.30414E-010), FRAC_CONST(3.71079E-009), FRAC_CONST(1.46719E-008), FRAC_CONST(5.60985E-008), FRAC_CONST(1.90735E-007), FRAC_CONST(4.76837E-007), FRAC_CONST(7.62939E-007), FRAC_CONST(8.97575E-007), FRAC_CONST(9.39002E-007), FRAC_CONST(9.49963E-007), FRAC_CONST(9.52743E-007), FRAC_CONST(9.53441E-007) }, + { FRAC_CONST(1.16387E-010), FRAC_CONST(4.65207E-010), FRAC_CONST(1.8554E-009), FRAC_CONST(7.33596E-009), FRAC_CONST(2.80492E-008), FRAC_CONST(9.53674E-008), FRAC_CONST(2.38419E-007), FRAC_CONST(3.8147E-007), FRAC_CONST(4.48788E-007), FRAC_CONST(4.69501E-007), FRAC_CONST(4.74982E-007), FRAC_CONST(4.76372E-007), FRAC_CONST(4.76721E-007) }, + { FRAC_CONST(5.81935E-011), FRAC_CONST(2.32603E-010), FRAC_CONST(9.27699E-010), FRAC_CONST(3.66798E-009), FRAC_CONST(1.40246E-008), FRAC_CONST(4.76837E-008), FRAC_CONST(1.19209E-007), FRAC_CONST(1.90735E-007), FRAC_CONST(2.24394E-007), FRAC_CONST(2.34751E-007), FRAC_CONST(2.37491E-007), FRAC_CONST(2.38186E-007), FRAC_CONST(2.3836E-007) }, + { FRAC_CONST(2.90967E-011), FRAC_CONST(1.16302E-010), FRAC_CONST(4.63849E-010), FRAC_CONST(1.83399E-009), FRAC_CONST(7.01231E-009), FRAC_CONST(2.38419E-008), FRAC_CONST(5.96046E-008), FRAC_CONST(9.53674E-008), FRAC_CONST(1.12197E-007), FRAC_CONST(1.17375E-007), FRAC_CONST(1.18745E-007), FRAC_CONST(1.19093E-007), FRAC_CONST(1.1918E-007) } +}; + +static const real_t Q_div2_tab_right[31][13] = { + { FRAC_CONST(0.992246), FRAC_CONST(0.992241), FRAC_CONST(0.992218), FRAC_CONST(0.992128), FRAC_CONST(0.991768), FRAC_CONST(0.990329), FRAC_CONST(0.984615), FRAC_CONST(0.962406), FRAC_CONST(0.882759), FRAC_CONST(0.663212), FRAC_CONST(0.332468), FRAC_CONST(0.111015), FRAC_CONST(0.0302959) }, + { FRAC_CONST(0.984612), FRAC_CONST(0.984601), FRAC_CONST(0.984556), FRAC_CONST(0.984379), FRAC_CONST(0.98367), FRAC_CONST(0.980843), FRAC_CONST(0.969697), FRAC_CONST(0.927536), FRAC_CONST(0.790123), FRAC_CONST(0.496124), FRAC_CONST(0.199377), FRAC_CONST(0.0587695), FRAC_CONST(0.0153809) }, + { FRAC_CONST(0.96969), FRAC_CONST(0.969668), FRAC_CONST(0.969582), FRAC_CONST(0.969238), FRAC_CONST(0.967864), FRAC_CONST(0.962406), FRAC_CONST(0.941176), FRAC_CONST(0.864865), FRAC_CONST(0.653061), FRAC_CONST(0.329897), FRAC_CONST(0.110727), FRAC_CONST(0.0302744), FRAC_CONST(0.00775006) }, + { FRAC_CONST(0.941163), FRAC_CONST(0.941122), FRAC_CONST(0.94096), FRAC_CONST(0.940312), FRAC_CONST(0.937729), FRAC_CONST(0.927536), FRAC_CONST(0.888889), FRAC_CONST(0.761905), FRAC_CONST(0.484848), FRAC_CONST(0.197531), FRAC_CONST(0.0586081), FRAC_CONST(0.0153698), FRAC_CONST(0.0038901) }, + { FRAC_CONST(0.888865), FRAC_CONST(0.888792), FRAC_CONST(0.888503), FRAC_CONST(0.887348), FRAC_CONST(0.882759), FRAC_CONST(0.864865), FRAC_CONST(0.8), FRAC_CONST(0.615385), FRAC_CONST(0.32), FRAC_CONST(0.109589), FRAC_CONST(0.0301887), FRAC_CONST(0.00774443), FRAC_CONST(0.00194884) }, + { FRAC_CONST(0.799961), FRAC_CONST(0.799844), FRAC_CONST(0.799375), FRAC_CONST(0.797508), FRAC_CONST(0.790123), FRAC_CONST(0.761905), FRAC_CONST(0.666667), FRAC_CONST(0.444444), FRAC_CONST(0.190476), FRAC_CONST(0.057971), FRAC_CONST(0.0153257), FRAC_CONST(0.00388727), FRAC_CONST(0.000975372) }, + { FRAC_CONST(0.666612), FRAC_CONST(0.66645), FRAC_CONST(0.6658), FRAC_CONST(0.663212), FRAC_CONST(0.653061), FRAC_CONST(0.615385), FRAC_CONST(0.5), FRAC_CONST(0.285714), FRAC_CONST(0.105263), FRAC_CONST(0.0298507), FRAC_CONST(0.00772201), FRAC_CONST(0.00194742), FRAC_CONST(0.000487924) }, + { FRAC_CONST(0.499939), FRAC_CONST(0.499756), FRAC_CONST(0.499025), FRAC_CONST(0.496124), FRAC_CONST(0.484848), FRAC_CONST(0.444444), FRAC_CONST(0.333333), FRAC_CONST(0.166667), FRAC_CONST(0.0555556), FRAC_CONST(0.0151515), FRAC_CONST(0.00387597), FRAC_CONST(0.000974659), FRAC_CONST(0.000244021) }, + { FRAC_CONST(0.333279), FRAC_CONST(0.333116), FRAC_CONST(0.332468), FRAC_CONST(0.329897), FRAC_CONST(0.32), FRAC_CONST(0.285714), FRAC_CONST(0.2), FRAC_CONST(0.0909091), FRAC_CONST(0.0285714), FRAC_CONST(0.00763359), FRAC_CONST(0.00194175), FRAC_CONST(0.000487567), FRAC_CONST(0.000122026) }, + { FRAC_CONST(0.199961), FRAC_CONST(0.199844), FRAC_CONST(0.199377), FRAC_CONST(0.197531), FRAC_CONST(0.190476), FRAC_CONST(0.166667), FRAC_CONST(0.111111), FRAC_CONST(0.047619), FRAC_CONST(0.0144928), FRAC_CONST(0.00383142), FRAC_CONST(0.000971817), FRAC_CONST(0.000243843), FRAC_CONST(6.10165E-005) }, + { FRAC_CONST(0.111087), FRAC_CONST(0.111015), FRAC_CONST(0.110727), FRAC_CONST(0.109589), FRAC_CONST(0.105263), FRAC_CONST(0.0909091), FRAC_CONST(0.0588235), FRAC_CONST(0.0243902), FRAC_CONST(0.00729927), FRAC_CONST(0.00191939), FRAC_CONST(0.000486145), FRAC_CONST(0.000121936), FRAC_CONST(3.05092E-005) }, + { FRAC_CONST(0.05881), FRAC_CONST(0.0587695), FRAC_CONST(0.0586081), FRAC_CONST(0.057971), FRAC_CONST(0.0555556), FRAC_CONST(0.047619), FRAC_CONST(0.030303), FRAC_CONST(0.0123457), FRAC_CONST(0.003663), FRAC_CONST(0.000960615), FRAC_CONST(0.000243132), FRAC_CONST(6.09719E-005), FRAC_CONST(1.52548E-005) }, + { FRAC_CONST(0.0302959), FRAC_CONST(0.0302744), FRAC_CONST(0.0301887), FRAC_CONST(0.0298507), FRAC_CONST(0.0285714), FRAC_CONST(0.0243902), FRAC_CONST(0.0153846), FRAC_CONST(0.00621118), FRAC_CONST(0.00183486), FRAC_CONST(0.000480538), FRAC_CONST(0.000121581), FRAC_CONST(3.04869E-005), FRAC_CONST(7.62747E-006) }, + { FRAC_CONST(0.0153809), FRAC_CONST(0.0153698), FRAC_CONST(0.0153257), FRAC_CONST(0.0151515), FRAC_CONST(0.0144928), FRAC_CONST(0.0123457), FRAC_CONST(0.00775194), FRAC_CONST(0.00311526), FRAC_CONST(0.000918274), FRAC_CONST(0.000240327), FRAC_CONST(6.0794E-005), FRAC_CONST(1.52437E-005), FRAC_CONST(3.81375E-006) }, + { FRAC_CONST(0.00775006), FRAC_CONST(0.00774443), FRAC_CONST(0.00772201), FRAC_CONST(0.00763359), FRAC_CONST(0.00729927), FRAC_CONST(0.00621118), FRAC_CONST(0.00389105), FRAC_CONST(0.00156006), FRAC_CONST(0.000459348), FRAC_CONST(0.000120178), FRAC_CONST(3.03979E-005), FRAC_CONST(7.62189E-006), FRAC_CONST(1.90688E-006) }, + { FRAC_CONST(0.0038901), FRAC_CONST(0.00388727), FRAC_CONST(0.00387597), FRAC_CONST(0.00383142), FRAC_CONST(0.003663), FRAC_CONST(0.00311526), FRAC_CONST(0.00194932), FRAC_CONST(0.00078064), FRAC_CONST(0.000229727), FRAC_CONST(6.00925E-005), FRAC_CONST(1.51992E-005), FRAC_CONST(3.81096E-006), FRAC_CONST(9.53441E-007) }, + { FRAC_CONST(0.00194884), FRAC_CONST(0.00194742), FRAC_CONST(0.00194175), FRAC_CONST(0.00191939), FRAC_CONST(0.00183486), FRAC_CONST(0.00156006), FRAC_CONST(0.00097561), FRAC_CONST(0.000390472), FRAC_CONST(0.000114877), FRAC_CONST(3.00472E-005), FRAC_CONST(7.59965E-006), FRAC_CONST(1.90548E-006), FRAC_CONST(4.76721E-007) }, + { FRAC_CONST(0.000975372), FRAC_CONST(0.000974659), FRAC_CONST(0.000971817), FRAC_CONST(0.000960615), FRAC_CONST(0.000918274), FRAC_CONST(0.00078064), FRAC_CONST(0.000488043), FRAC_CONST(0.000195274), FRAC_CONST(5.74416E-005), FRAC_CONST(1.50238E-005), FRAC_CONST(3.79984E-006), FRAC_CONST(9.52743E-007), FRAC_CONST(2.3836E-007) }, + { FRAC_CONST(0.000487924), FRAC_CONST(0.000487567), FRAC_CONST(0.000486145), FRAC_CONST(0.000480538), FRAC_CONST(0.000459348), FRAC_CONST(0.000390472), FRAC_CONST(0.000244081), FRAC_CONST(9.76467E-005), FRAC_CONST(2.87216E-005), FRAC_CONST(7.51196E-006), FRAC_CONST(1.89992E-006), FRAC_CONST(4.76372E-007), FRAC_CONST(1.1918E-007) }, + { FRAC_CONST(0.000244021), FRAC_CONST(0.000243843), FRAC_CONST(0.000243132), FRAC_CONST(0.000240327), FRAC_CONST(0.000229727), FRAC_CONST(0.000195274), FRAC_CONST(0.000122055), FRAC_CONST(4.88257E-005), FRAC_CONST(1.4361E-005), FRAC_CONST(3.756E-006), FRAC_CONST(9.49963E-007), FRAC_CONST(2.38186E-007), FRAC_CONST(5.95901E-008) }, + { FRAC_CONST(0.000122026), FRAC_CONST(0.000121936), FRAC_CONST(0.000121581), FRAC_CONST(0.000120178), FRAC_CONST(0.000114877), FRAC_CONST(9.76467E-005), FRAC_CONST(6.10314E-005), FRAC_CONST(2.44135E-005), FRAC_CONST(7.18056E-006), FRAC_CONST(1.878E-006), FRAC_CONST(4.74982E-007), FRAC_CONST(1.19093E-007), FRAC_CONST(2.9795E-008) }, + { FRAC_CONST(6.10165E-005), FRAC_CONST(6.09719E-005), FRAC_CONST(6.0794E-005), FRAC_CONST(6.00925E-005), FRAC_CONST(5.74416E-005), FRAC_CONST(4.88257E-005), FRAC_CONST(3.05166E-005), FRAC_CONST(1.22069E-005), FRAC_CONST(3.59029E-006), FRAC_CONST(9.39002E-007), FRAC_CONST(2.37491E-007), FRAC_CONST(5.95465E-008), FRAC_CONST(1.48975E-008) }, + { FRAC_CONST(3.05092E-005), FRAC_CONST(3.04869E-005), FRAC_CONST(3.03979E-005), FRAC_CONST(3.00472E-005), FRAC_CONST(2.87216E-005), FRAC_CONST(2.44135E-005), FRAC_CONST(1.52586E-005), FRAC_CONST(6.10348E-006), FRAC_CONST(1.79515E-006), FRAC_CONST(4.69501E-007), FRAC_CONST(1.18745E-007), FRAC_CONST(2.97732E-008), FRAC_CONST(7.44876E-009) }, + { FRAC_CONST(1.52548E-005), FRAC_CONST(1.52437E-005), FRAC_CONST(1.51992E-005), FRAC_CONST(1.50238E-005), FRAC_CONST(1.4361E-005), FRAC_CONST(1.22069E-005), FRAC_CONST(7.62934E-006), FRAC_CONST(3.05175E-006), FRAC_CONST(8.97575E-007), FRAC_CONST(2.34751E-007), FRAC_CONST(5.93727E-008), FRAC_CONST(1.48866E-008), FRAC_CONST(3.72438E-009) }, + { FRAC_CONST(7.62747E-006), FRAC_CONST(7.62189E-006), FRAC_CONST(7.59965E-006), FRAC_CONST(7.51196E-006), FRAC_CONST(7.18056E-006), FRAC_CONST(6.10348E-006), FRAC_CONST(3.81468E-006), FRAC_CONST(1.52588E-006), FRAC_CONST(4.48788E-007), FRAC_CONST(1.17375E-007), FRAC_CONST(2.96864E-008), FRAC_CONST(7.44331E-009), FRAC_CONST(1.86219E-009) }, + { FRAC_CONST(3.81375E-006), FRAC_CONST(3.81096E-006), FRAC_CONST(3.79984E-006), FRAC_CONST(3.756E-006), FRAC_CONST(3.59029E-006), FRAC_CONST(3.05175E-006), FRAC_CONST(1.90734E-006), FRAC_CONST(7.62939E-007), FRAC_CONST(2.24394E-007), FRAC_CONST(5.86876E-008), FRAC_CONST(1.48432E-008), FRAC_CONST(3.72166E-009), FRAC_CONST(9.31095E-010) }, + { FRAC_CONST(1.90688E-006), FRAC_CONST(1.90548E-006), FRAC_CONST(1.89992E-006), FRAC_CONST(1.878E-006), FRAC_CONST(1.79515E-006), FRAC_CONST(1.52588E-006), FRAC_CONST(9.53673E-007), FRAC_CONST(3.8147E-007), FRAC_CONST(1.12197E-007), FRAC_CONST(2.93438E-008), FRAC_CONST(7.42159E-009), FRAC_CONST(1.86083E-009), FRAC_CONST(4.65548E-010) }, + { FRAC_CONST(9.53441E-007), FRAC_CONST(9.52743E-007), FRAC_CONST(9.49963E-007), FRAC_CONST(9.39002E-007), FRAC_CONST(8.97575E-007), FRAC_CONST(7.62939E-007), FRAC_CONST(4.76837E-007), FRAC_CONST(1.90735E-007), FRAC_CONST(5.60985E-008), FRAC_CONST(1.46719E-008), FRAC_CONST(3.71079E-009), FRAC_CONST(9.30414E-010), FRAC_CONST(2.32774E-010) }, + { FRAC_CONST(4.76721E-007), FRAC_CONST(4.76372E-007), FRAC_CONST(4.74982E-007), FRAC_CONST(4.69501E-007), FRAC_CONST(4.48788E-007), FRAC_CONST(3.8147E-007), FRAC_CONST(2.38419E-007), FRAC_CONST(9.53674E-008), FRAC_CONST(2.80492E-008), FRAC_CONST(7.33596E-009), FRAC_CONST(1.8554E-009), FRAC_CONST(4.65207E-010), FRAC_CONST(1.16387E-010) }, + { FRAC_CONST(2.3836E-007), FRAC_CONST(2.38186E-007), FRAC_CONST(2.37491E-007), FRAC_CONST(2.34751E-007), FRAC_CONST(2.24394E-007), FRAC_CONST(1.90735E-007), FRAC_CONST(1.19209E-007), FRAC_CONST(4.76837E-008), FRAC_CONST(1.40246E-008), FRAC_CONST(3.66798E-009), FRAC_CONST(9.27699E-010), FRAC_CONST(2.32603E-010), FRAC_CONST(5.81935E-011) }, + { FRAC_CONST(1.1918E-007), FRAC_CONST(1.19093E-007), FRAC_CONST(1.18745E-007), FRAC_CONST(1.17375E-007), FRAC_CONST(1.12197E-007), FRAC_CONST(9.53674E-008), FRAC_CONST(5.96046E-008), FRAC_CONST(2.38419E-008), FRAC_CONST(7.01231E-009), FRAC_CONST(1.83399E-009), FRAC_CONST(4.63849E-010), FRAC_CONST(1.16302E-010), FRAC_CONST(2.90967E-011) } +}; + +/* calculates Q/(1+Q) */ +/* [0..1] */ +static real_t calc_Q_div2(sbr_info *sbr, uint8_t ch, uint8_t m, uint8_t l) +{ + if (sbr->bs_coupling) { + if ((sbr->Q[0][m][l] < 0 || sbr->Q[0][m][l] > 30) || + (sbr->Q[1][m][l] < 0 || sbr->Q[1][m][l] > 24 /* 2*panOffset(1) */)) { + return 0; + } else { + /* the pan parameter is always even */ + if (ch == 0) { + return Q_div2_tab_left[sbr->Q[0][m][l]][sbr->Q[1][m][l] >> 1]; + } else { + return Q_div2_tab_right[sbr->Q[0][m][l]][sbr->Q[1][m][l] >> 1]; + } + } + } else { + /* no coupling */ + if (sbr->Q[ch][m][l] < 0 || sbr->Q[ch][m][l] > 30) { + return 0; + } else { + return Q_div2_tab[sbr->Q[ch][m][l]]; + } + } +} + +static const real_t E_deq_tab[64] = { + 64.0f, 128.0f, 256.0f, 512.0f, 1024.0f, 2048.0f, 4096.0f, 8192.0f, + 16384.0f, 32768.0f, 65536.0f, 131072.0f, 262144.0f, 524288.0f, 1.04858E+006f, 2.09715E+006f, + 4.1943E+006f, 8.38861E+006f, 1.67772E+007f, 3.35544E+007f, 6.71089E+007f, 1.34218E+008f, 2.68435E+008f, 5.36871E+008f, + 1.07374E+009f, 2.14748E+009f, 4.29497E+009f, 8.58993E+009f, 1.71799E+010f, 3.43597E+010f, 6.87195E+010f, 1.37439E+011f, + 2.74878E+011f, 5.49756E+011f, 1.09951E+012f, 2.19902E+012f, 4.39805E+012f, 8.79609E+012f, 1.75922E+013f, 3.51844E+013f, + 7.03687E+013f, 1.40737E+014f, 2.81475E+014f, 5.6295E+014f, 1.1259E+015f, 2.2518E+015f, 4.5036E+015f, 9.0072E+015f, + 1.80144E+016f, 3.60288E+016f, 7.20576E+016f, 1.44115E+017f, 2.8823E+017f, 5.76461E+017f, 1.15292E+018f, 2.30584E+018f, + 4.61169E+018f, 9.22337E+018f, 1.84467E+019f, 3.68935E+019f, 7.3787E+019f, 1.47574E+020f, 2.95148E+020f, 5.90296E+020f +}; + +void envelope_noise_dequantisation(sbr_info *sbr, uint8_t ch) +{ + if (sbr->bs_coupling == 0) { + int16_t exp; + uint8_t l, k; + uint8_t amp = (sbr->amp_res[ch]) ? 0 : 1; + + for (l = 0; l < sbr->L_E[ch]; l++) { + for (k = 0; k < sbr->n[sbr->f[ch][l]]; k++) { + /* +6 for the *64 and -10 for the /32 in the synthesis QMF (fixed) + * since this is a energy value: (x/32)^2 = (x^2)/1024 + */ + /* exp = (sbr->E[ch][k][l] >> amp) + 6; */ + exp = (sbr->E[ch][k][l] >> amp); + + if ((exp < 0) || (exp >= 64)) { + sbr->E_orig[ch][k][l] = 0; + } else { + sbr->E_orig[ch][k][l] = E_deq_tab[exp]; + + /* save half the table size at the cost of 1 multiply */ + if (amp && (sbr->E[ch][k][l] & 1)) { + sbr->E_orig[ch][k][l] = MUL_C(sbr->E_orig[ch][k][l], COEF_CONST(1.414213562)); + } + } + } + } + + for (l = 0; l < sbr->L_Q[ch]; l++) { + for (k = 0; k < sbr->N_Q; k++) { + sbr->Q_div[ch][k][l] = calc_Q_div(sbr, ch, k, l); + sbr->Q_div2[ch][k][l] = calc_Q_div2(sbr, ch, k, l); + } + } + } +} + +static const real_t E_pan_tab[25] = { + FRAC_CONST(0.000244081), FRAC_CONST(0.000488043), + FRAC_CONST(0.00097561), FRAC_CONST(0.00194932), + FRAC_CONST(0.00389105), FRAC_CONST(0.00775194), + FRAC_CONST(0.0153846), FRAC_CONST(0.030303), + FRAC_CONST(0.0588235), FRAC_CONST(0.111111), + FRAC_CONST(0.2), FRAC_CONST(0.333333), + FRAC_CONST(0.5), FRAC_CONST(0.666667), + FRAC_CONST(0.8), FRAC_CONST(0.888889), + FRAC_CONST(0.941176), FRAC_CONST(0.969697), + FRAC_CONST(0.984615), FRAC_CONST(0.992248), + FRAC_CONST(0.996109), FRAC_CONST(0.998051), + FRAC_CONST(0.999024), FRAC_CONST(0.999512), + FRAC_CONST(0.999756) +}; + +void unmap_envelope_noise(sbr_info *sbr) +{ + real_t tmp; + int16_t exp0, exp1; + uint8_t l, k; + uint8_t amp0 = (sbr->amp_res[0]) ? 0 : 1; + uint8_t amp1 = (sbr->amp_res[1]) ? 0 : 1; + + for (l = 0; l < sbr->L_E[0]; l++) { + for (k = 0; k < sbr->n[sbr->f[0][l]]; k++) { + /* +6: * 64 ; +1: * 2 ; */ + exp0 = (sbr->E[0][k][l] >> amp0) + 1; + + /* UN_MAP removed: (x / 4096) same as (x >> 12) */ + /* E[1] is always even so no need for compensating the divide by 2 with + * an extra multiplication + */ + /* exp1 = (sbr->E[1][k][l] >> amp1) - 12; */ + exp1 = (sbr->E[1][k][l] >> amp1); + + if ((exp0 < 0) || (exp0 >= 64) || + (exp1 < 0) || (exp1 > 24)) { + sbr->E_orig[1][k][l] = 0; + sbr->E_orig[0][k][l] = 0; + } else { + tmp = E_deq_tab[exp0]; + if (amp0 && (sbr->E[0][k][l] & 1)) { + tmp = MUL_C(tmp, COEF_CONST(1.414213562)); + } + + /* panning */ + sbr->E_orig[0][k][l] = MUL_F(tmp, E_pan_tab[exp1]); + sbr->E_orig[1][k][l] = MUL_F(tmp, E_pan_tab[24 - exp1]); + } + } + } + + for (l = 0; l < sbr->L_Q[0]; l++) { + for (k = 0; k < sbr->N_Q; k++) { + sbr->Q_div[0][k][l] = calc_Q_div(sbr, 0, k, l); + sbr->Q_div[1][k][l] = calc_Q_div(sbr, 1, k, l); + sbr->Q_div2[0][k][l] = calc_Q_div2(sbr, 0, k, l); + sbr->Q_div2[1][k][l] = calc_Q_div2(sbr, 1, k, l); + } + } +} + +#endif + +#endif diff --git a/audio_codec/libfaad/sbr_e_nf.h b/audio_codec/libfaad/sbr_e_nf.h new file mode 100644 index 0000000..21115c6 --- a/dev/null +++ b/audio_codec/libfaad/sbr_e_nf.h @@ -0,0 +1,50 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_e_nf.h,v 1.18 2007/11/01 12:33:35 menno Exp $ +**/ + +#ifndef __SBR_E_NF_H__ +#define __SBR_E_NF_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + + void extract_envelope_data(sbr_info *sbr, uint8_t ch); + void extract_noise_floor_data(sbr_info *sbr, uint8_t ch); +#ifndef FIXED_POINT + void envelope_noise_dequantisation(sbr_info *sbr, uint8_t ch); + void unmap_envelope_noise(sbr_info *sbr); +#endif + +#ifdef __cplusplus +} +#endif +#endif + diff --git a/audio_codec/libfaad/sbr_fbt.c b/audio_codec/libfaad/sbr_fbt.c new file mode 100644 index 0000000..6bf5d13 --- a/dev/null +++ b/audio_codec/libfaad/sbr_fbt.c @@ -0,0 +1,737 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_fbt.c,v 1.21 2007/11/01 12:33:35 menno Exp $ +**/ + +/* Calculate frequency band tables */ +#include +#include "common.h" +#include "structs.h" + +#ifdef SBR_DEC + +#include "sbr_syntax.h" +#include "sbr_fbt.h" + +/* static function declarations */ +static int32_t find_bands(uint8_t warp, uint8_t bands, uint8_t a0, uint8_t a1); + + +/* calculate the start QMF channel for the master frequency band table */ +/* parameter is also called k0 */ +uint8_t qmf_start_channel(uint8_t bs_start_freq, uint8_t bs_samplerate_mode, + uint32_t sample_rate) +{ + static const uint8_t startMinTable[12] = { 7, 7, 10, 11, 12, 16, 16, + 17, 24, 32, 35, 48 + }; + static const uint8_t offsetIndexTable[12] = { 5, 5, 4, 4, 4, 3, 2, 1, 0, + 6, 6, 6 + }; + static const int8_t offset[7][16] = { + { -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7 }, + { -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13 }, + { -5, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16 }, + { -6, -4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16 }, + { -4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16, 20 }, + { -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16, 20, 24 }, + { 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16, 20, 24, 28, 33 } + }; + uint8_t startMin = startMinTable[get_sr_index(sample_rate)]; + uint8_t offsetIndex = offsetIndexTable[get_sr_index(sample_rate)]; + +#if 0 /* replaced with table (startMinTable) */ + if (sample_rate >= 64000) { + startMin = (uint8_t)((5000.*128.) / (float)sample_rate + 0.5); + } else if (sample_rate < 32000) { + startMin = (uint8_t)((3000.*128.) / (float)sample_rate + 0.5); + } else { + startMin = (uint8_t)((4000.*128.) / (float)sample_rate + 0.5); + } +#endif + + if (bs_samplerate_mode) { + return startMin + offset[offsetIndex][bs_start_freq]; + +#if 0 /* replaced by offsetIndexTable */ + switch (sample_rate) { + case 16000: + return startMin + offset[0][bs_start_freq]; + case 22050: + return startMin + offset[1][bs_start_freq]; + case 24000: + return startMin + offset[2][bs_start_freq]; + case 32000: + return startMin + offset[3][bs_start_freq]; + default: + if (sample_rate > 64000) { + return startMin + offset[5][bs_start_freq]; + } else { /* 44100 <= sample_rate <= 64000 */ + return startMin + offset[4][bs_start_freq]; + } + } +#endif + } else { + return startMin + offset[6][bs_start_freq]; + } +} + +static int longcmp(const void *a, const void *b) +{ + return ((int)(*(int32_t*)a - * (int32_t*)b)); +} + +/* calculate the stop QMF channel for the master frequency band table */ +/* parameter is also called k2 */ +uint8_t qmf_stop_channel(uint8_t bs_stop_freq, uint32_t sample_rate, + uint8_t k0) +{ + if (bs_stop_freq == 15) { + return min(64, k0 * 3); + } else if (bs_stop_freq == 14) { + return min(64, k0 * 2); + } else { + static const uint8_t stopMinTable[12] = { 13, 15, 20, 21, 23, + 32, 32, 35, 48, 64, 70, 96 + }; + static const int8_t offset[12][14] = { + { 0, 2, 4, 6, 8, 11, 14, 18, 22, 26, 31, 37, 44, 51 }, + { 0, 2, 4, 6, 8, 11, 14, 18, 22, 26, 31, 36, 42, 49 }, + { 0, 2, 4, 6, 8, 11, 14, 17, 21, 25, 29, 34, 39, 44 }, + { 0, 2, 4, 6, 8, 11, 14, 17, 20, 24, 28, 33, 38, 43 }, + { 0, 2, 4, 6, 8, 11, 14, 17, 20, 24, 28, 32, 36, 41 }, + { 0, 2, 4, 6, 8, 10, 12, 14, 17, 20, 23, 26, 29, 32 }, + { 0, 2, 4, 6, 8, 10, 12, 14, 17, 20, 23, 26, 29, 32 }, + { 0, 1, 3, 5, 7, 9, 11, 13, 15, 17, 20, 23, 26, 29 }, + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16 }, + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, + { 0, -1, -2, -3, -4, -5, -6, -6, -6, -6, -6, -6, -6, -6 }, + { 0, -3, -6, -9, -12, -15, -18, -20, -22, -24, -26, -28, -30, -32 } + }; +#if 0 + uint8_t i; + int32_t stopDk[13], stopDk_t[14], k2; +#endif + uint8_t stopMin = stopMinTable[get_sr_index(sample_rate)]; + +#if 0 /* replaced by table lookup */ + if (sample_rate >= 64000) { + stopMin = (uint8_t)((10000.*128.) / (float)sample_rate + 0.5); + } else if (sample_rate < 32000) { + stopMin = (uint8_t)((6000.*128.) / (float)sample_rate + 0.5); + } else { + stopMin = (uint8_t)((8000.*128.) / (float)sample_rate + 0.5); + } +#endif + +#if 0 /* replaced by table lookup */ + /* diverging power series */ + for (i = 0; i <= 13; i++) { + stopDk_t[i] = (int32_t)(stopMin * pow(64.0 / stopMin, i / 13.0) + 0.5); + } + for (i = 0; i < 13; i++) { + stopDk[i] = stopDk_t[i + 1] - stopDk_t[i]; + } + + /* needed? */ + qsort(stopDk, 13, sizeof(stopDk[0]), longcmp); + + k2 = stopMin; + for (i = 0; i < bs_stop_freq; i++) { + k2 += stopDk[i]; + } + return min(64, k2); +#endif + /* bs_stop_freq <= 13 */ + return min(64, stopMin + offset[get_sr_index(sample_rate)][min(bs_stop_freq, 13)]); + } + + return 0; +} + +/* calculate the master frequency table from k0, k2, bs_freq_scale + and bs_alter_scale + + version for bs_freq_scale = 0 +*/ +uint8_t master_frequency_table_fs0(sbr_info *sbr, uint8_t k0, uint8_t k2, + uint8_t bs_alter_scale) +{ + int8_t incr; + uint8_t k; + uint8_t dk; + uint32_t nrBands, k2Achieved; + int32_t k2Diff, vDk[64] = {0}; + + /* mft only defined for k2 > k0 */ + if (k2 <= k0) { + sbr->N_master = 0; + return 1; + } + + dk = bs_alter_scale ? 2 : 1; + +#if 0 /* replaced by float-less design */ + nrBands = 2 * (int32_t)((float)(k2 - k0) / (dk * 2) + (-1 + dk) / 2.0f); +#else + if (bs_alter_scale) { + nrBands = (((k2 - k0 + 2) >> 2) << 1); + } else { + nrBands = (((k2 - k0) >> 1) << 1); + } +#endif + nrBands = min(nrBands, 63); + if (nrBands <= 0) { + return 1; + } + + k2Achieved = k0 + nrBands * dk; + k2Diff = k2 - k2Achieved; + for (k = 0; k < nrBands; k++) { + vDk[k] = dk; + } + + if (k2Diff) { + incr = (k2Diff > 0) ? -1 : 1; + k = (uint8_t)((k2Diff > 0) ? (nrBands - 1) : 0); + + while (k2Diff != 0) { + vDk[k] -= incr; + k += incr; + k2Diff += incr; + } + } + + sbr->f_master[0] = k0; + for (k = 1; k <= nrBands; k++) { + sbr->f_master[k] = (uint8_t)(sbr->f_master[k - 1] + vDk[k - 1]); + } + + sbr->N_master = (uint8_t)nrBands; + sbr->N_master = (min(sbr->N_master, 64)); + +#if 0 + printf("f_master[%d]: ", nrBands); + for (k = 0; k <= nrBands; k++) { + printf("%d ", sbr->f_master[k]); + } + printf("\n"); +#endif + + return 0; +} + +/* + This function finds the number of bands using this formula: + bands * log(a1/a0)/log(2.0) + 0.5 +*/ +static int32_t find_bands(uint8_t warp, uint8_t bands, uint8_t a0, uint8_t a1) +{ +#ifdef FIXED_POINT + /* table with log2() values */ + static const real_t log2Table[65] = { + COEF_CONST(0.0), COEF_CONST(0.0), COEF_CONST(1.0000000000), COEF_CONST(1.5849625007), + COEF_CONST(2.0000000000), COEF_CONST(2.3219280949), COEF_CONST(2.5849625007), COEF_CONST(2.8073549221), + COEF_CONST(3.0000000000), COEF_CONST(3.1699250014), COEF_CONST(3.3219280949), COEF_CONST(3.4594316186), + COEF_CONST(3.5849625007), COEF_CONST(3.7004397181), COEF_CONST(3.8073549221), COEF_CONST(3.9068905956), + COEF_CONST(4.0000000000), COEF_CONST(4.0874628413), COEF_CONST(4.1699250014), COEF_CONST(4.2479275134), + COEF_CONST(4.3219280949), COEF_CONST(4.3923174228), COEF_CONST(4.4594316186), COEF_CONST(4.5235619561), + COEF_CONST(4.5849625007), COEF_CONST(4.6438561898), COEF_CONST(4.7004397181), COEF_CONST(4.7548875022), + COEF_CONST(4.8073549221), COEF_CONST(4.8579809951), COEF_CONST(4.9068905956), COEF_CONST(4.9541963104), + COEF_CONST(5.0000000000), COEF_CONST(5.0443941194), COEF_CONST(5.0874628413), COEF_CONST(5.1292830169), + COEF_CONST(5.1699250014), COEF_CONST(5.2094533656), COEF_CONST(5.2479275134), COEF_CONST(5.2854022189), + COEF_CONST(5.3219280949), COEF_CONST(5.3575520046), COEF_CONST(5.3923174228), COEF_CONST(5.4262647547), + COEF_CONST(5.4594316186), COEF_CONST(5.4918530963), COEF_CONST(5.5235619561), COEF_CONST(5.5545888517), + COEF_CONST(5.5849625007), COEF_CONST(5.6147098441), COEF_CONST(5.6438561898), COEF_CONST(5.6724253420), + COEF_CONST(5.7004397181), COEF_CONST(5.7279204546), COEF_CONST(5.7548875022), COEF_CONST(5.7813597135), + COEF_CONST(5.8073549221), COEF_CONST(5.8328900142), COEF_CONST(5.8579809951), COEF_CONST(5.8826430494), + COEF_CONST(5.9068905956), COEF_CONST(5.9307373376), COEF_CONST(5.9541963104), COEF_CONST(5.9772799235), + COEF_CONST(6.0) + }; + real_t r0 = log2Table[a0]; /* coef */ + real_t r1 = log2Table[a1]; /* coef */ + real_t r2 = (r1 - r0); /* coef */ + + if (warp) { + r2 = MUL_C(r2, COEF_CONST(1.0 / 1.3)); + } + + /* convert r2 to real and then multiply and round */ + r2 = (r2 >> (COEF_BITS - REAL_BITS)) * bands + (1 << (REAL_BITS - 1)); + + return (r2 >> REAL_BITS); +#else + real_t div = (real_t)log(2.0); + if (warp) { + div *= (real_t)1.3; + } + + return (int32_t)(bands * log((float)a1 / (float)a0) / div + 0.5); +#endif +} + +static real_t find_initial_power(uint8_t bands, uint8_t a0, uint8_t a1) +{ +#ifdef FIXED_POINT + /* table with log() values */ + static const real_t logTable[65] = { + COEF_CONST(0.0), COEF_CONST(0.0), COEF_CONST(0.6931471806), COEF_CONST(1.0986122887), + COEF_CONST(1.3862943611), COEF_CONST(1.6094379124), COEF_CONST(1.7917594692), COEF_CONST(1.9459101491), + COEF_CONST(2.0794415417), COEF_CONST(2.1972245773), COEF_CONST(2.3025850930), COEF_CONST(2.3978952728), + COEF_CONST(2.4849066498), COEF_CONST(2.5649493575), COEF_CONST(2.6390573296), COEF_CONST(2.7080502011), + COEF_CONST(2.7725887222), COEF_CONST(2.8332133441), COEF_CONST(2.8903717579), COEF_CONST(2.9444389792), + COEF_CONST(2.9957322736), COEF_CONST(3.0445224377), COEF_CONST(3.0910424534), COEF_CONST(3.1354942159), + COEF_CONST(3.1780538303), COEF_CONST(3.2188758249), COEF_CONST(3.2580965380), COEF_CONST(3.2958368660), + COEF_CONST(3.3322045102), COEF_CONST(3.3672958300), COEF_CONST(3.4011973817), COEF_CONST(3.4339872045), + COEF_CONST(3.4657359028), COEF_CONST(3.4965075615), COEF_CONST(3.5263605246), COEF_CONST(3.5553480615), + COEF_CONST(3.5835189385), COEF_CONST(3.6109179126), COEF_CONST(3.6375861597), COEF_CONST(3.6635616461), + COEF_CONST(3.6888794541), COEF_CONST(3.7135720667), COEF_CONST(3.7376696183), COEF_CONST(3.7612001157), + COEF_CONST(3.7841896339), COEF_CONST(3.8066624898), COEF_CONST(3.8286413965), COEF_CONST(3.8501476017), + COEF_CONST(3.8712010109), COEF_CONST(3.8918202981), COEF_CONST(3.9120230054), COEF_CONST(3.9318256327), + COEF_CONST(3.9512437186), COEF_CONST(3.9702919136), COEF_CONST(3.9889840466), COEF_CONST(4.0073331852), + COEF_CONST(4.0253516907), COEF_CONST(4.0430512678), COEF_CONST(4.0604430105), COEF_CONST(4.0775374439), + COEF_CONST(4.0943445622), COEF_CONST(4.1108738642), COEF_CONST(4.1271343850), COEF_CONST(4.1431347264), + COEF_CONST(4.158883083) + }; + /* standard Taylor polynomial coefficients for exp(x) around 0 */ + /* a polynomial around x=1 is more precise, as most values are around 1.07, + but this is just fine already */ + static const real_t c1 = COEF_CONST(1.0); + static const real_t c2 = COEF_CONST(1.0 / 2.0); + static const real_t c3 = COEF_CONST(1.0 / 6.0); + static const real_t c4 = COEF_CONST(1.0 / 24.0); + + real_t r0 = logTable[a0]; /* coef */ + real_t r1 = logTable[a1]; /* coef */ + real_t r2 = (r1 - r0) / bands; /* coef */ + real_t rexp = c1 + MUL_C((c1 + MUL_C((c2 + MUL_C((c3 + MUL_C(c4, r2)), r2)), r2)), r2); + + return (rexp >> (COEF_BITS - REAL_BITS)); /* real */ +#else + return (real_t)pow((real_t)a1 / (real_t)a0, 1.0 / (real_t)bands); +#endif +} + +/* + version for bs_freq_scale > 0 +*/ +uint8_t master_frequency_table(sbr_info *sbr, uint8_t k0, uint8_t k2, + uint8_t bs_freq_scale, uint8_t bs_alter_scale) +{ + uint8_t k, bands, twoRegions; + uint8_t k1; + uint8_t nrBand0, nrBand1; + int32_t vDk0[64] = {0}, vDk1[64] = {0}; + int32_t vk0[64] = {0}, vk1[64] = {0}; + uint8_t temp1[] = { 6, 5, 4 }; + real_t q, qk; + int32_t A_1; +#ifdef FIXED_POINT + real_t rk2, rk0; +#endif + + /* mft only defined for k2 > k0 */ + if (k2 <= k0) { + sbr->N_master = 0; + return 1; + } + + bands = temp1[bs_freq_scale - 1]; + +#ifdef FIXED_POINT + rk0 = (real_t)k0 << REAL_BITS; + rk2 = (real_t)k2 << REAL_BITS; + if (rk2 > MUL_C(rk0, COEF_CONST(2.2449))) +#else + if ((float)k2 / (float)k0 > 2.2449) +#endif + { + twoRegions = 1; + k1 = k0 << 1; + } else { + twoRegions = 0; + k1 = k2; + } + + nrBand0 = (uint8_t)(2 * find_bands(0, bands, k0, k1)); + nrBand0 = min(nrBand0, 63); + if (nrBand0 <= 0) { + return 1; + } + + q = find_initial_power(nrBand0, k0, k1); +#ifdef FIXED_POINT + qk = (real_t)k0 << REAL_BITS; + //A_1 = (int32_t)((qk + REAL_CONST(0.5)) >> REAL_BITS); + A_1 = k0; +#else + qk = REAL_CONST(k0); + A_1 = (int32_t)(qk + .5); +#endif + for (k = 0; k <= nrBand0; k++) { + int32_t A_0 = A_1; +#ifdef FIXED_POINT + qk = MUL_R(qk, q); + A_1 = (int32_t)((qk + REAL_CONST(0.5)) >> REAL_BITS); +#else + qk *= q; + A_1 = (int32_t)(qk + 0.5); +#endif + vDk0[k] = A_1 - A_0; + } + + /* needed? */ + qsort(vDk0, nrBand0, sizeof(vDk0[0]), longcmp); + + vk0[0] = k0; + for (k = 1; k <= nrBand0; k++) { + vk0[k] = vk0[k - 1] + vDk0[k - 1]; + if (vDk0[k - 1] == 0) { + return 1; + } + } + + if (!twoRegions) { + for (k = 0; k <= nrBand0; k++) { + sbr->f_master[k] = (uint8_t) vk0[k]; + } + + sbr->N_master = nrBand0; + sbr->N_master = min(sbr->N_master, 64); + return 0; + } + + nrBand1 = (uint8_t)(2 * find_bands(1 /* warped */, bands, k1, k2)); + nrBand1 = min(nrBand1, 63); + + q = find_initial_power(nrBand1, k1, k2); +#ifdef FIXED_POINT + qk = (real_t)k1 << REAL_BITS; + //A_1 = (int32_t)((qk + REAL_CONST(0.5)) >> REAL_BITS); + A_1 = k1; +#else + qk = REAL_CONST(k1); + A_1 = (int32_t)(qk + .5); +#endif + for (k = 0; k <= nrBand1 - 1; k++) { + int32_t A_0 = A_1; +#ifdef FIXED_POINT + qk = MUL_R(qk, q); + A_1 = (int32_t)((qk + REAL_CONST(0.5)) >> REAL_BITS); +#else + qk *= q; + A_1 = (int32_t)(qk + 0.5); +#endif + vDk1[k] = A_1 - A_0; + } + + if (vDk1[0] < vDk0[nrBand0 - 1]) { + int32_t change; + + /* needed? */ + qsort(vDk1, nrBand1 + 1, sizeof(vDk1[0]), longcmp); + change = vDk0[nrBand0 - 1] - vDk1[0]; + vDk1[0] = vDk0[nrBand0 - 1]; + vDk1[nrBand1 - 1] = vDk1[nrBand1 - 1] - change; + } + + /* needed? */ + qsort(vDk1, nrBand1, sizeof(vDk1[0]), longcmp); + vk1[0] = k1; + for (k = 1; k <= nrBand1; k++) { + vk1[k] = vk1[k - 1] + vDk1[k - 1]; + if (vDk1[k - 1] == 0) { + return 1; + } + } + + sbr->N_master = nrBand0 + nrBand1; + sbr->N_master = min(sbr->N_master, 64); + for (k = 0; k <= nrBand0; k++) { + sbr->f_master[k] = (uint8_t) vk0[k]; + } + for (k = nrBand0 + 1; k <= sbr->N_master; k++) { + sbr->f_master[k] = (uint8_t) vk1[k - nrBand0]; + } + +#if 0 + printf("f_master[%d]: ", sbr->N_master); + for (k = 0; k <= sbr->N_master; k++) { + printf("%d ", sbr->f_master[k]); + } + printf("\n"); +#endif + + return 0; +} + +/* calculate the derived frequency border tables from f_master */ +uint8_t derived_frequency_table(sbr_info *sbr, uint8_t bs_xover_band, + uint8_t k2) +{ + uint8_t k, i; + uint32_t minus; + + /* The following relation shall be satisfied: bs_xover_band < N_Master */ + if (sbr->N_master <= bs_xover_band) { + return 1; + } + + sbr->N_high = sbr->N_master - bs_xover_band; + sbr->N_low = (sbr->N_high >> 1) + (sbr->N_high - ((sbr->N_high >> 1) << 1)); + + sbr->n[0] = sbr->N_low; + sbr->n[1] = sbr->N_high; + + for (k = 0; k <= sbr->N_high; k++) { + sbr->f_table_res[HI_RES][k] = sbr->f_master[k + bs_xover_band]; + } + + sbr->M = sbr->f_table_res[HI_RES][sbr->N_high] - sbr->f_table_res[HI_RES][0]; + sbr->kx = sbr->f_table_res[HI_RES][0]; + if (sbr->kx > 32) { + return 1; + } + if (sbr->kx + sbr->M > 64) { + return 1; + } + + minus = (sbr->N_high & 1) ? 1 : 0; + + for (k = 0; k <= sbr->N_low; k++) { + if (k == 0) { + i = 0; + } else { + i = (uint8_t)(2 * k - minus); + } + sbr->f_table_res[LO_RES][k] = sbr->f_table_res[HI_RES][i]; + } + +#if 0 + printf("bs_freq_scale: %d\n", sbr->bs_freq_scale); + printf("bs_limiter_bands: %d\n", sbr->bs_limiter_bands); + printf("f_table_res[HI_RES][%d]: ", sbr->N_high); + for (k = 0; k <= sbr->N_high; k++) { + printf("%d ", sbr->f_table_res[HI_RES][k]); + } + printf("\n"); +#endif +#if 0 + printf("f_table_res[LO_RES][%d]: ", sbr->N_low); + for (k = 0; k <= sbr->N_low; k++) { + printf("%d ", sbr->f_table_res[LO_RES][k]); + } + printf("\n"); +#endif + + sbr->N_Q = 0; + if (sbr->bs_noise_bands == 0) { + sbr->N_Q = 1; + } else { +#if 0 + sbr->N_Q = max(1, (int32_t)(sbr->bs_noise_bands * (log(k2 / (float)sbr->kx) / log(2.0)) + 0.5)); +#else + sbr->N_Q = (uint8_t)(max(1, find_bands(0, sbr->bs_noise_bands, sbr->kx, k2))); +#endif + sbr->N_Q = min(5, sbr->N_Q); + } + + for (k = 0; k <= sbr->N_Q; k++) { + if (k == 0) { + i = 0; + } else { + /* i = i + (int32_t)((sbr->N_low - i)/(sbr->N_Q + 1 - k)); */ + i = i + (sbr->N_low - i) / (sbr->N_Q + 1 - k); + } + sbr->f_table_noise[k] = sbr->f_table_res[LO_RES][i]; + } + + /* build table for mapping k to g in hf patching */ + for (k = 0; k < 64; k++) { + uint8_t g; + for (g = 0; g < sbr->N_Q; g++) { + if ((sbr->f_table_noise[g] <= k) && + (k < sbr->f_table_noise[g + 1])) { + sbr->table_map_k_to_g[k] = g; + break; + } + } + } + +#if 0 + printf("f_table_noise[%d]: ", sbr->N_Q); + for (k = 0; k <= sbr->N_Q; k++) { + printf("%d ", sbr->f_table_noise[k] - sbr->kx); + } + printf("\n"); +#endif + + return 0; +} + +/* TODO: blegh, ugly */ +/* Modified to calculate for all possible bs_limiter_bands always + * This reduces the number calls to this functions needed (now only on + * header reset) + */ +void limiter_frequency_table(sbr_info *sbr) +{ +#if 0 + static const real_t limiterBandsPerOctave[] = { REAL_CONST(1.2), + REAL_CONST(2), REAL_CONST(3) + }; +#else + static const real_t limiterBandsCompare[] = { REAL_CONST(1.327152), + REAL_CONST(1.185093), REAL_CONST(1.119872) + }; +#endif + uint8_t k, s; + int8_t nrLim; +#if 0 + real_t limBands; +#endif + + sbr->f_table_lim[0][0] = sbr->f_table_res[LO_RES][0] - sbr->kx; + sbr->f_table_lim[0][1] = sbr->f_table_res[LO_RES][sbr->N_low] - sbr->kx; + sbr->N_L[0] = 1; + +#if 0 + printf("f_table_lim[%d][%d]: ", 0, sbr->N_L[0]); + for (k = 0; k <= sbr->N_L[0]; k++) { + printf("%d ", sbr->f_table_lim[0][k]); + } + printf("\n"); +#endif + + for (s = 1; s < 4; s++) { + int32_t limTable[100 /*TODO*/] = {0}; + uint8_t patchBorders[64/*??*/] = {0}; + +#if 0 + limBands = limiterBandsPerOctave[s - 1]; +#endif + + patchBorders[0] = sbr->kx; + for (k = 1; k <= sbr->noPatches; k++) { + patchBorders[k] = patchBorders[k - 1] + sbr->patchNoSubbands[k - 1]; + } + + for (k = 0; k <= sbr->N_low; k++) { + limTable[k] = sbr->f_table_res[LO_RES][k]; + } + for (k = 1; k < sbr->noPatches; k++) { + limTable[k + sbr->N_low] = patchBorders[k]; + } + + /* needed */ + qsort(limTable, sbr->noPatches + sbr->N_low, sizeof(limTable[0]), longcmp); + k = 1; + nrLim = sbr->noPatches + sbr->N_low - 1; + + if (nrLim < 0) { // TODO: BIG FAT PROBLEM + return; + } + +restart: + if (k <= nrLim) { + real_t nOctaves; + + if (limTable[k - 1] != 0) +#if 0 + nOctaves = REAL_CONST(log((float)limTable[k] / (float)limTable[k - 1]) / log(2.0)); +#else +#ifdef FIXED_POINT + nOctaves = DIV_R((limTable[k] << REAL_BITS), REAL_CONST(limTable[k - 1])); +#else + nOctaves = (real_t)limTable[k] / (real_t)limTable[k - 1]; +#endif +#endif + else { + nOctaves = 0; + } + +#if 0 + if ((MUL_R(nOctaves, limBands)) < REAL_CONST(0.49)) +#else + if (nOctaves < limiterBandsCompare[s - 1]) +#endif + { + uint8_t i; + if (limTable[k] != limTable[k - 1]) { + uint8_t found = 0, found2 = 0; + for (i = 0; i <= sbr->noPatches; i++) { + if (limTable[k] == patchBorders[i]) { + found = 1; + } + } + if (found) { + found2 = 0; + for (i = 0; i <= sbr->noPatches; i++) { + if (limTable[k - 1] == patchBorders[i]) { + found2 = 1; + } + } + if (found2) { + k++; + goto restart; + } else { + /* remove (k-1)th element */ + limTable[k - 1] = sbr->f_table_res[LO_RES][sbr->N_low]; + qsort(limTable, sbr->noPatches + sbr->N_low, sizeof(limTable[0]), longcmp); + nrLim--; + goto restart; + } + } + } + /* remove kth element */ + limTable[k] = sbr->f_table_res[LO_RES][sbr->N_low]; + qsort(limTable, nrLim, sizeof(limTable[0]), longcmp); + nrLim--; + goto restart; + } else { + k++; + goto restart; + } + } + + sbr->N_L[s] = nrLim; + for (k = 0; k <= nrLim; k++) { + sbr->f_table_lim[s][k] = limTable[k] - sbr->kx; + } + +#if 0 + printf("f_table_lim[%d][%d]: ", s, sbr->N_L[s]); + for (k = 0; k <= sbr->N_L[s]; k++) { + printf("%d ", sbr->f_table_lim[s][k]); + } + printf("\n"); +#endif + } +} + +#endif diff --git a/audio_codec/libfaad/sbr_fbt.h b/audio_codec/libfaad/sbr_fbt.h new file mode 100644 index 0000000..ca57985 --- a/dev/null +++ b/audio_codec/libfaad/sbr_fbt.h @@ -0,0 +1,55 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_fbt.h,v 1.18 2007/11/01 12:33:35 menno Exp $ +**/ + +#ifndef __SBR_FBT_H__ +#define __SBR_FBT_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + uint8_t qmf_start_channel(uint8_t bs_start_freq, uint8_t bs_samplerate_mode, + uint32_t sample_rate); + uint8_t qmf_stop_channel(uint8_t bs_stop_freq, uint32_t sample_rate, + uint8_t k0); + uint8_t master_frequency_table_fs0(sbr_info *sbr, uint8_t k0, uint8_t k2, + uint8_t bs_alter_scale); + uint8_t master_frequency_table(sbr_info *sbr, uint8_t k0, uint8_t k2, + uint8_t bs_freq_scale, uint8_t bs_alter_scale); + uint8_t derived_frequency_table(sbr_info *sbr, uint8_t bs_xover_band, + uint8_t k2); + void limiter_frequency_table(sbr_info *sbr); + + +#ifdef __cplusplus +} +#endif +#endif + diff --git a/audio_codec/libfaad/sbr_hfadj.c b/audio_codec/libfaad/sbr_hfadj.c new file mode 100644 index 0000000..3f29f32 --- a/dev/null +++ b/audio_codec/libfaad/sbr_hfadj.c @@ -0,0 +1,1644 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_hfadj.c,v 1.23 2008/09/19 22:50:20 menno Exp $ +**/ + +/* High Frequency adjustment */ + +#include +#include +#include +#include + +#include "common.h" +#include "structs.h" + +#ifdef SBR_DEC + +#include "sbr_syntax.h" +#include "sbr_hfadj.h" + +#include "sbr_noise.h" + + +/* static function declarations */ +static uint8_t estimate_current_envelope(sbr_info *sbr, sbr_hfadj_info *adj, + qmf_t Xsbr[MAX_NTSRHFG][64], uint8_t ch); +static void calculate_gain(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch); +#ifdef SBR_LOW_POWER +static void calc_gain_groups(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg, uint8_t ch); +static void aliasing_reduction(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg, uint8_t ch); +#endif +static void hf_assembly(sbr_info *sbr, sbr_hfadj_info *adj, qmf_t Xsbr[MAX_NTSRHFG][64], uint8_t ch); + + +uint8_t hf_adjustment(sbr_info *sbr, qmf_t Xsbr[MAX_NTSRHFG][64] +#ifdef SBR_LOW_POWER + , real_t *deg /* aliasing degree */ +#endif + , uint8_t ch) +{ + ALIGN sbr_hfadj_info adj = {{{0}}}; + uint8_t ret = 0; + + if (sbr->bs_frame_class[ch] == FIXFIX) { + sbr->l_A[ch] = -1; + } else if (sbr->bs_frame_class[ch] == VARFIX) { + if (sbr->bs_pointer[ch] > 1) { + sbr->l_A[ch] = sbr->bs_pointer[ch] - 1; + } else { + sbr->l_A[ch] = -1; + } + } else { + if (sbr->bs_pointer[ch] == 0) { + sbr->l_A[ch] = -1; + } else { + sbr->l_A[ch] = sbr->L_E[ch] + 1 - sbr->bs_pointer[ch]; + } + } + + ret = estimate_current_envelope(sbr, &adj, Xsbr, ch); + if (ret > 0) { + return 1; + } + + calculate_gain(sbr, &adj, ch); + +#ifdef SBR_LOW_POWER + calc_gain_groups(sbr, &adj, deg, ch); + aliasing_reduction(sbr, &adj, deg, ch); +#endif + + hf_assembly(sbr, &adj, Xsbr, ch); + + return 0; +} + +static uint8_t get_S_mapped(sbr_info *sbr, uint8_t ch, uint8_t l, uint8_t current_band) +{ + if (sbr->f[ch][l] == HI_RES) { + /* in case of using f_table_high we just have 1 to 1 mapping + * from bs_add_harmonic[l][k] + */ + if ((l >= sbr->l_A[ch]) || + (sbr->bs_add_harmonic_prev[ch][current_band] && sbr->bs_add_harmonic_flag_prev[ch])) { + return sbr->bs_add_harmonic[ch][current_band]; + } + } else { + uint8_t b, lb, ub; + + /* in case of f_table_low we check if any of the HI_RES bands + * within this LO_RES band has bs_add_harmonic[l][k] turned on + * (note that borders in the LO_RES table are also present in + * the HI_RES table) + */ + + /* find first HI_RES band in current LO_RES band */ + lb = 2 * current_band - ((sbr->N_high & 1) ? 1 : 0); + /* find first HI_RES band in next LO_RES band */ + ub = 2 * (current_band + 1) - ((sbr->N_high & 1) ? 1 : 0); + + /* check all HI_RES bands in current LO_RES band for sinusoid */ + for (b = lb; b < ub; b++) { + if ((l >= sbr->l_A[ch]) || + (sbr->bs_add_harmonic_prev[ch][b] && sbr->bs_add_harmonic_flag_prev[ch])) { + if (sbr->bs_add_harmonic[ch][b] == 1) { + return 1; + } + } + } + } + + return 0; +} + +static uint8_t estimate_current_envelope(sbr_info *sbr, sbr_hfadj_info *adj, + qmf_t Xsbr[MAX_NTSRHFG][64], uint8_t ch) +{ + uint8_t m, l, j, k, k_l, k_h, p; + real_t nrg, div; + + if (sbr->bs_interpol_freq == 1) { + for (l = 0; l < sbr->L_E[ch]; l++) { + uint8_t i, l_i, u_i; + + l_i = sbr->t_E[ch][l]; + u_i = sbr->t_E[ch][l + 1]; + + div = (real_t)(u_i - l_i); + + if (div == 0) { + div = 1; + } + + for (m = 0; m < sbr->M; m++) { + nrg = 0; + + for (i = l_i + sbr->tHFAdj; i < u_i + sbr->tHFAdj; i++) { +#ifdef FIXED_POINT +#ifdef SBR_LOW_POWER + nrg += ((QMF_RE(Xsbr[i][m + sbr->kx]) + (1 << (REAL_BITS - 1))) >> REAL_BITS) * ((QMF_RE(Xsbr[i][m + sbr->kx]) + (1 << (REAL_BITS - 1))) >> REAL_BITS); +#else + nrg += ((QMF_RE(Xsbr[i][m + sbr->kx]) + (1 << (REAL_BITS - 1))) >> REAL_BITS) * ((QMF_RE(Xsbr[i][m + sbr->kx]) + (1 << (REAL_BITS - 1))) >> REAL_BITS) + + ((QMF_IM(Xsbr[i][m + sbr->kx]) + (1 << (REAL_BITS - 1))) >> REAL_BITS) * ((QMF_IM(Xsbr[i][m + sbr->kx]) + (1 << (REAL_BITS - 1))) >> REAL_BITS); +#endif +#else + nrg += MUL_R(QMF_RE(Xsbr[i][m + sbr->kx]), QMF_RE(Xsbr[i][m + sbr->kx])) +#ifndef SBR_LOW_POWER + + MUL_R(QMF_IM(Xsbr[i][m + sbr->kx]), QMF_IM(Xsbr[i][m + sbr->kx])) +#endif + ; +#endif + } + + sbr->E_curr[ch][m][l] = nrg / div; +#ifdef SBR_LOW_POWER +#ifdef FIXED_POINT + sbr->E_curr[ch][m][l] <<= 1; +#else + sbr->E_curr[ch][m][l] *= 2; +#endif +#endif + } + } + } else { + for (l = 0; l < sbr->L_E[ch]; l++) { + for (p = 0; p < sbr->n[sbr->f[ch][l]]; p++) { + k_l = sbr->f_table_res[sbr->f[ch][l]][p]; + k_h = sbr->f_table_res[sbr->f[ch][l]][p + 1]; + + for (k = k_l; k < k_h; k++) { + uint8_t i, l_i, u_i; + nrg = 0; + + l_i = sbr->t_E[ch][l]; + u_i = sbr->t_E[ch][l + 1]; + + div = (real_t)((u_i - l_i) * (k_h - k_l)); + + if (div == 0) { + div = 1; + } + + for (i = l_i + sbr->tHFAdj; i < u_i + sbr->tHFAdj; i++) { + for (j = k_l; j < k_h; j++) { +#ifdef FIXED_POINT +#ifdef SBR_LOW_POWER + nrg += ((QMF_RE(Xsbr[i][j]) + (1 << (REAL_BITS - 1))) >> REAL_BITS) * ((QMF_RE(Xsbr[i][j]) + (1 << (REAL_BITS - 1))) >> REAL_BITS); +#else + nrg += ((QMF_RE(Xsbr[i][j]) + (1 << (REAL_BITS - 1))) >> REAL_BITS) * ((QMF_RE(Xsbr[i][j]) + (1 << (REAL_BITS - 1))) >> REAL_BITS) + + ((QMF_IM(Xsbr[i][j]) + (1 << (REAL_BITS - 1))) >> REAL_BITS) * ((QMF_IM(Xsbr[i][j]) + (1 << (REAL_BITS - 1))) >> REAL_BITS); +#endif +#else + nrg += MUL_R(QMF_RE(Xsbr[i][j]), QMF_RE(Xsbr[i][j])) +#ifndef SBR_LOW_POWER + + MUL_R(QMF_IM(Xsbr[i][j]), QMF_IM(Xsbr[i][j])) +#endif + ; +#endif + } + } + + sbr->E_curr[ch][k - sbr->kx][l] = nrg / div; +#ifdef SBR_LOW_POWER +#ifdef FIXED_POINT + sbr->E_curr[ch][k - sbr->kx][l] <<= 1; +#else + sbr->E_curr[ch][k - sbr->kx][l] *= 2; +#endif +#endif + } + } + } + } + + return 0; +} + +#ifdef FIXED_POINT +#define EPS (1) /* smallest number available in fixed point */ +#else +#define EPS (1e-12) +#endif + + + +#ifdef FIXED_POINT + +/* log2 values of [0..63] */ +static const real_t log2_int_tab[] = { + LOG2_MIN_INF, REAL_CONST(0.000000000000000), REAL_CONST(1.000000000000000), REAL_CONST(1.584962500721156), + REAL_CONST(2.000000000000000), REAL_CONST(2.321928094887362), REAL_CONST(2.584962500721156), REAL_CONST(2.807354922057604), + REAL_CONST(3.000000000000000), REAL_CONST(3.169925001442313), REAL_CONST(3.321928094887363), REAL_CONST(3.459431618637297), + REAL_CONST(3.584962500721156), REAL_CONST(3.700439718141092), REAL_CONST(3.807354922057604), REAL_CONST(3.906890595608519), + REAL_CONST(4.000000000000000), REAL_CONST(4.087462841250339), REAL_CONST(4.169925001442312), REAL_CONST(4.247927513443585), + REAL_CONST(4.321928094887362), REAL_CONST(4.392317422778761), REAL_CONST(4.459431618637297), REAL_CONST(4.523561956057013), + REAL_CONST(4.584962500721156), REAL_CONST(4.643856189774724), REAL_CONST(4.700439718141093), REAL_CONST(4.754887502163468), + REAL_CONST(4.807354922057604), REAL_CONST(4.857980995127572), REAL_CONST(4.906890595608519), REAL_CONST(4.954196310386875), + REAL_CONST(5.000000000000000), REAL_CONST(5.044394119358453), REAL_CONST(5.087462841250340), REAL_CONST(5.129283016944966), + REAL_CONST(5.169925001442312), REAL_CONST(5.209453365628949), REAL_CONST(5.247927513443585), REAL_CONST(5.285402218862248), + REAL_CONST(5.321928094887363), REAL_CONST(5.357552004618084), REAL_CONST(5.392317422778761), REAL_CONST(5.426264754702098), + REAL_CONST(5.459431618637297), REAL_CONST(5.491853096329675), REAL_CONST(5.523561956057013), REAL_CONST(5.554588851677637), + REAL_CONST(5.584962500721156), REAL_CONST(5.614709844115208), REAL_CONST(5.643856189774724), REAL_CONST(5.672425341971495), + REAL_CONST(5.700439718141093), REAL_CONST(5.727920454563200), REAL_CONST(5.754887502163469), REAL_CONST(5.781359713524660), + REAL_CONST(5.807354922057605), REAL_CONST(5.832890014164742), REAL_CONST(5.857980995127572), REAL_CONST(5.882643049361842), + REAL_CONST(5.906890595608518), REAL_CONST(5.930737337562887), REAL_CONST(5.954196310386876), REAL_CONST(5.977279923499916) +}; + +static const real_t pan_log2_tab[] = { + REAL_CONST(1.000000000000000), REAL_CONST(0.584962500721156), REAL_CONST(0.321928094887362), REAL_CONST(0.169925001442312), REAL_CONST(0.087462841250339), + REAL_CONST(0.044394119358453), REAL_CONST(0.022367813028455), REAL_CONST(0.011227255423254), REAL_CONST(0.005624549193878), REAL_CONST(0.002815015607054), + REAL_CONST(0.001408194392808), REAL_CONST(0.000704269011247), REAL_CONST(0.000352177480301), REAL_CONST(0.000176099486443), REAL_CONST(0.000088052430122), + REAL_CONST(0.000044026886827), REAL_CONST(0.000022013611360), REAL_CONST(0.000011006847667) +}; + +static real_t find_log2_E(sbr_info *sbr, uint8_t k, uint8_t l, uint8_t ch) +{ + /* check for coupled energy/noise data */ + if (sbr->bs_coupling == 1) { + uint8_t amp0 = (sbr->amp_res[0]) ? 0 : 1; + uint8_t amp1 = (sbr->amp_res[1]) ? 0 : 1; + real_t tmp = (7 << REAL_BITS) + (sbr->E[0][k][l] << (REAL_BITS - amp0)); + real_t pan; + + /* E[1] should always be even so shifting is OK */ + uint8_t E = sbr->E[1][k][l] >> amp1; + + if (ch == 0) { + if (E > 12) { + /* negative */ + pan = pan_log2_tab[-12 + E]; + } else { + /* positive */ + pan = pan_log2_tab[12 - E] + ((12 - E) << REAL_BITS); + } + } else { + if (E < 12) { + /* negative */ + pan = pan_log2_tab[-E + 12]; + } else { + /* positive */ + pan = pan_log2_tab[E - 12] + ((E - 12) << REAL_BITS); + } + } + + /* tmp / pan in log2 */ + return tmp - pan; + } else { + uint8_t amp = (sbr->amp_res[ch]) ? 0 : 1; + + return (6 << REAL_BITS) + (sbr->E[ch][k][l] << (REAL_BITS - amp)); + } +} + +static real_t find_log2_Q(sbr_info *sbr, uint8_t k, uint8_t l, uint8_t ch) +{ + /* check for coupled energy/noise data */ + if (sbr->bs_coupling == 1) { + real_t tmp = (7 << REAL_BITS) - (sbr->Q[0][k][l] << REAL_BITS); + real_t pan; + + uint8_t Q = sbr->Q[1][k][l]; + + if (ch == 0) { + if (Q > 12) { + /* negative */ + pan = pan_log2_tab[-12 + Q]; + } else { + /* positive */ + pan = pan_log2_tab[12 - Q] + ((12 - Q) << REAL_BITS); + } + } else { + if (Q < 12) { + /* negative */ + pan = pan_log2_tab[-Q + 12]; + } else { + /* positive */ + pan = pan_log2_tab[Q - 12] + ((Q - 12) << REAL_BITS); + } + } + + /* tmp / pan in log2 */ + return tmp - pan; + } else { + return (6 << REAL_BITS) - (sbr->Q[ch][k][l] << REAL_BITS); + } +} + +static const real_t log_Qplus1_pan[31][13] = { + { REAL_CONST(0.044383447617292), REAL_CONST(0.169768601655960), REAL_CONST(0.583090126514435), REAL_CONST(1.570089221000671), REAL_CONST(3.092446088790894), REAL_CONST(4.733354568481445), REAL_CONST(6.022367954254150), REAL_CONST(6.692092418670654), REAL_CONST(6.924463272094727), REAL_CONST(6.989034175872803), REAL_CONST(7.005646705627441), REAL_CONST(7.009829998016357), REAL_CONST(7.010877609252930) }, + { REAL_CONST(0.022362394258380), REAL_CONST(0.087379962205887), REAL_CONST(0.320804953575134), REAL_CONST(0.988859415054321), REAL_CONST(2.252387046813965), REAL_CONST(3.786596298217773), REAL_CONST(5.044394016265869), REAL_CONST(5.705977916717529), REAL_CONST(5.936291694641113), REAL_CONST(6.000346660614014), REAL_CONST(6.016829967498779), REAL_CONST(6.020981311798096), REAL_CONST(6.022020816802979) }, + { REAL_CONST(0.011224525049329), REAL_CONST(0.044351425021887), REAL_CONST(0.169301137328148), REAL_CONST(0.577544987201691), REAL_CONST(1.527246952056885), REAL_CONST(2.887525320053101), REAL_CONST(4.087462902069092), REAL_CONST(4.733354568481445), REAL_CONST(4.959661006927490), REAL_CONST(5.022709369659424), REAL_CONST(5.038940429687500), REAL_CONST(5.043028831481934), REAL_CONST(5.044052600860596) }, + { REAL_CONST(0.005623178556561), REAL_CONST(0.022346137091517), REAL_CONST(0.087132595479488), REAL_CONST(0.317482173442841), REAL_CONST(0.956931233406067), REAL_CONST(2.070389270782471), REAL_CONST(3.169924974441528), REAL_CONST(3.786596298217773), REAL_CONST(4.005294322967529), REAL_CONST(4.066420555114746), REAL_CONST(4.082170009613037), REAL_CONST(4.086137294769287), REAL_CONST(4.087131500244141) }, + { REAL_CONST(0.002814328996465), REAL_CONST(0.011216334067285), REAL_CONST(0.044224001467228), REAL_CONST(0.167456731200218), REAL_CONST(0.556393325328827), REAL_CONST(1.378511548042297), REAL_CONST(2.321928024291992), REAL_CONST(2.887525320053101), REAL_CONST(3.092446088790894), REAL_CONST(3.150059700012207), REAL_CONST(3.164926528930664), REAL_CONST(3.168673276901245), REAL_CONST(3.169611930847168) }, + { REAL_CONST(0.001407850766554), REAL_CONST(0.005619067233056), REAL_CONST(0.022281449288130), REAL_CONST(0.086156636476517), REAL_CONST(0.304854571819305), REAL_CONST(0.847996890544891), REAL_CONST(1.584962487220764), REAL_CONST(2.070389270782471), REAL_CONST(2.252387046813965), REAL_CONST(2.304061651229858), REAL_CONST(2.317430257797241), REAL_CONST(2.320801734924316), REAL_CONST(2.321646213531494) }, + { REAL_CONST(0.000704097095877), REAL_CONST(0.002812269143760), REAL_CONST(0.011183738708496), REAL_CONST(0.043721374124289), REAL_CONST(0.160464659333229), REAL_CONST(0.485426813364029), REAL_CONST(1.000000000000000), REAL_CONST(1.378511548042297), REAL_CONST(1.527246952056885), REAL_CONST(1.570089221000671), REAL_CONST(1.581215262413025), REAL_CONST(1.584023833274841), REAL_CONST(1.584727644920349) }, + { REAL_CONST(0.000352177477907), REAL_CONST(0.001406819908880), REAL_CONST(0.005602621007711), REAL_CONST(0.022026389837265), REAL_CONST(0.082462236285210), REAL_CONST(0.263034462928772), REAL_CONST(0.584962487220764), REAL_CONST(0.847996890544891), REAL_CONST(0.956931233406067), REAL_CONST(0.988859415054321), REAL_CONST(0.997190535068512), REAL_CONST(0.999296069145203), REAL_CONST(0.999823868274689) }, + { REAL_CONST(0.000176099492819), REAL_CONST(0.000703581434209), REAL_CONST(0.002804030198604), REAL_CONST(0.011055230163038), REAL_CONST(0.041820213198662), REAL_CONST(0.137503549456596), REAL_CONST(0.321928083896637), REAL_CONST(0.485426813364029), REAL_CONST(0.556393325328827), REAL_CONST(0.577544987201691), REAL_CONST(0.583090126514435), REAL_CONST(0.584493279457092), REAL_CONST(0.584845066070557) }, + { REAL_CONST(0.000088052431238), REAL_CONST(0.000351833587047), REAL_CONST(0.001402696361765), REAL_CONST(0.005538204684854), REAL_CONST(0.021061634644866), REAL_CONST(0.070389263331890), REAL_CONST(0.169925004243851), REAL_CONST(0.263034462928772), REAL_CONST(0.304854571819305), REAL_CONST(0.317482173442841), REAL_CONST(0.320804953575134), REAL_CONST(0.321646571159363), REAL_CONST(0.321857661008835) }, + { REAL_CONST(0.000044026888645), REAL_CONST(0.000175927518285), REAL_CONST(0.000701518612914), REAL_CONST(0.002771759871393), REAL_CONST(0.010569252073765), REAL_CONST(0.035623874515295), REAL_CONST(0.087462842464447), REAL_CONST(0.137503549456596), REAL_CONST(0.160464659333229), REAL_CONST(0.167456731200218), REAL_CONST(0.169301137328148), REAL_CONST(0.169768601655960), REAL_CONST(0.169885858893394) }, + { REAL_CONST(0.000022013611670), REAL_CONST(0.000088052431238), REAL_CONST(0.000350801943569), REAL_CONST(0.001386545598507), REAL_CONST(0.005294219125062), REAL_CONST(0.017921976745129), REAL_CONST(0.044394120573997), REAL_CONST(0.070389263331890), REAL_CONST(0.082462236285210), REAL_CONST(0.086156636476517), REAL_CONST(0.087132595479488), REAL_CONST(0.087379962205887), REAL_CONST(0.087442122399807) }, + { REAL_CONST(0.000011006847672), REAL_CONST(0.000044026888645), REAL_CONST(0.000175411638338), REAL_CONST(0.000693439331371), REAL_CONST(0.002649537986144), REAL_CONST(0.008988817222416), REAL_CONST(0.022367812693119), REAL_CONST(0.035623874515295), REAL_CONST(0.041820213198662), REAL_CONST(0.043721374124289), REAL_CONST(0.044224001467228), REAL_CONST(0.044351425021887), REAL_CONST(0.044383447617292) }, + { REAL_CONST(0.000005503434295), REAL_CONST(0.000022013611670), REAL_CONST(0.000087708482170), REAL_CONST(0.000346675369656), REAL_CONST(0.001325377263129), REAL_CONST(0.004501323681325), REAL_CONST(0.011227255687118), REAL_CONST(0.017921976745129), REAL_CONST(0.021061634644866), REAL_CONST(0.022026389837265), REAL_CONST(0.022281449288130), REAL_CONST(0.022346137091517), REAL_CONST(0.022362394258380) }, + { REAL_CONST(0.000002751719876), REAL_CONST(0.000011006847672), REAL_CONST(0.000043854910473), REAL_CONST(0.000173348103999), REAL_CONST(0.000662840844598), REAL_CONST(0.002252417383716), REAL_CONST(0.005624548997730), REAL_CONST(0.008988817222416), REAL_CONST(0.010569252073765), REAL_CONST(0.011055230163038), REAL_CONST(0.011183738708496), REAL_CONST(0.011216334067285), REAL_CONST(0.011224525049329) }, + { REAL_CONST(0.000001375860506), REAL_CONST(0.000005503434295), REAL_CONST(0.000022013611670), REAL_CONST(0.000086676649516), REAL_CONST(0.000331544462824), REAL_CONST(0.001126734190620), REAL_CONST(0.002815015614033), REAL_CONST(0.004501323681325), REAL_CONST(0.005294219125062), REAL_CONST(0.005538204684854), REAL_CONST(0.005602621007711), REAL_CONST(0.005619067233056), REAL_CONST(0.005623178556561) }, + { REAL_CONST(0.000000687930424), REAL_CONST(0.000002751719876), REAL_CONST(0.000011006847672), REAL_CONST(0.000043338975956), REAL_CONST(0.000165781748365), REAL_CONST(0.000563477107789), REAL_CONST(0.001408194424585), REAL_CONST(0.002252417383716), REAL_CONST(0.002649537986144), REAL_CONST(0.002771759871393), REAL_CONST(0.002804030198604), REAL_CONST(0.002812269143760), REAL_CONST(0.002814328996465) }, + { REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000005503434295), REAL_CONST(0.000021669651687), REAL_CONST(0.000082893253420), REAL_CONST(0.000281680084299), REAL_CONST(0.000704268983100), REAL_CONST(0.001126734190620), REAL_CONST(0.001325377263129), REAL_CONST(0.001386545598507), REAL_CONST(0.001402696361765), REAL_CONST(0.001406819908880), REAL_CONST(0.001407850766554) }, + { REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002751719876), REAL_CONST(0.000010834866771), REAL_CONST(0.000041447223339), REAL_CONST(0.000140846910654), REAL_CONST(0.000352177477907), REAL_CONST(0.000563477107789), REAL_CONST(0.000662840844598), REAL_CONST(0.000693439331371), REAL_CONST(0.000701518612914), REAL_CONST(0.000703581434209), REAL_CONST(0.000704097095877) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000005503434295), REAL_CONST(0.000020637769921), REAL_CONST(0.000070511166996), REAL_CONST(0.000176099492819), REAL_CONST(0.000281680084299), REAL_CONST(0.000331544462824), REAL_CONST(0.000346675369656), REAL_CONST(0.000350801943569), REAL_CONST(0.000351833587047), REAL_CONST(0.000352177477907) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002751719876), REAL_CONST(0.000010318922250), REAL_CONST(0.000035256012779), REAL_CONST(0.000088052431238), REAL_CONST(0.000140846910654), REAL_CONST(0.000165781748365), REAL_CONST(0.000173348103999), REAL_CONST(0.000175411638338), REAL_CONST(0.000175927518285), REAL_CONST(0.000176099492819) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000005159470220), REAL_CONST(0.000017542124624), REAL_CONST(0.000044026888645), REAL_CONST(0.000070511166996), REAL_CONST(0.000082893253420), REAL_CONST(0.000086676649516), REAL_CONST(0.000087708482170), REAL_CONST(0.000088052431238), REAL_CONST(0.000088052431238) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002579737384), REAL_CONST(0.000008771088687), REAL_CONST(0.000022013611670), REAL_CONST(0.000035256012779), REAL_CONST(0.000041447223339), REAL_CONST(0.000043338975956), REAL_CONST(0.000043854910473), REAL_CONST(0.000044026888645), REAL_CONST(0.000044026888645) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000004471542070), REAL_CONST(0.000011006847672), REAL_CONST(0.000017542124624), REAL_CONST(0.000020637769921), REAL_CONST(0.000021669651687), REAL_CONST(0.000022013611670), REAL_CONST(0.000022013611670), REAL_CONST(0.000022013611670) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002235772627), REAL_CONST(0.000005503434295), REAL_CONST(0.000008771088687), REAL_CONST(0.000010318922250), REAL_CONST(0.000010834866771), REAL_CONST(0.000011006847672), REAL_CONST(0.000011006847672), REAL_CONST(0.000011006847672) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001031895522), REAL_CONST(0.000002751719876), REAL_CONST(0.000004471542070), REAL_CONST(0.000005159470220), REAL_CONST(0.000005503434295), REAL_CONST(0.000005503434295), REAL_CONST(0.000005503434295), REAL_CONST(0.000005503434295) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000515947875), REAL_CONST(0.000001375860506), REAL_CONST(0.000002235772627), REAL_CONST(0.000002579737384), REAL_CONST(0.000002751719876), REAL_CONST(0.000002751719876), REAL_CONST(0.000002751719876), REAL_CONST(0.000002751719876) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000000687930424), REAL_CONST(0.000001031895522), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000343965269), REAL_CONST(0.000000515947875), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634) } +}; + +static const real_t log_Qplus1[31] = { + REAL_CONST(6.022367813028454), REAL_CONST(5.044394119358453), REAL_CONST(4.087462841250339), + REAL_CONST(3.169925001442313), REAL_CONST(2.321928094887362), REAL_CONST(1.584962500721156), + REAL_CONST(1.000000000000000), REAL_CONST(0.584962500721156), REAL_CONST(0.321928094887362), + REAL_CONST(0.169925001442312), REAL_CONST(0.087462841250339), REAL_CONST(0.044394119358453), + REAL_CONST(0.022367813028455), REAL_CONST(0.011227255423254), REAL_CONST(0.005624549193878), + REAL_CONST(0.002815015607054), REAL_CONST(0.001408194392808), REAL_CONST(0.000704269011247), + REAL_CONST(0.000352177480301), REAL_CONST(0.000176099486443), REAL_CONST(0.000088052430122), + REAL_CONST(0.000044026886827), REAL_CONST(0.000022013611360), REAL_CONST(0.000011006847667), + REAL_CONST(0.000005503434331), REAL_CONST(0.000002751719790), REAL_CONST(0.000001375860551), + REAL_CONST(0.000000687930439), REAL_CONST(0.000000343965261), REAL_CONST(0.000000171982641), + REAL_CONST(0.000000000000000) +}; + +static real_t find_log2_Qplus1(sbr_info *sbr, uint8_t k, uint8_t l, uint8_t ch) +{ + /* check for coupled energy/noise data */ + if (sbr->bs_coupling == 1) { + if ((sbr->Q[0][k][l] >= 0) && (sbr->Q[0][k][l] <= 30) && + (sbr->Q[1][k][l] >= 0) && (sbr->Q[1][k][l] <= 24)) { + if (ch == 0) { + return log_Qplus1_pan[sbr->Q[0][k][l]][sbr->Q[1][k][l] >> 1]; + } else { + return log_Qplus1_pan[sbr->Q[0][k][l]][12 - (sbr->Q[1][k][l] >> 1)]; + } + } else { + return 0; + } + } else { + if (sbr->Q[ch][k][l] >= 0 && sbr->Q[ch][k][l] <= 30) { + return log_Qplus1[sbr->Q[ch][k][l]]; + } else { + return 0; + } + } +} + +static void calculate_gain(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch) +{ + /* log2 values of limiter gains */ + static real_t limGain[] = { + REAL_CONST(-1.0), REAL_CONST(0.0), REAL_CONST(1.0), REAL_CONST(33.219) + }; + uint8_t m, l, k; + + uint8_t current_t_noise_band = 0; + uint8_t S_mapped; + + ALIGN real_t Q_M_lim[MAX_M]; + ALIGN real_t G_lim[MAX_M]; + ALIGN real_t G_boost; + ALIGN real_t S_M[MAX_M]; + + + for (l = 0; l < sbr->L_E[ch]; l++) { + uint8_t current_f_noise_band = 0; + uint8_t current_res_band = 0; + uint8_t current_res_band2 = 0; + uint8_t current_hi_res_band = 0; + + real_t delta = (l == sbr->l_A[ch] || l == sbr->prevEnvIsShort[ch]) ? 0 : 1; + + S_mapped = get_S_mapped(sbr, ch, l, current_res_band2); + + if (sbr->t_E[ch][l + 1] > sbr->t_Q[ch][current_t_noise_band + 1]) { + current_t_noise_band++; + } + + for (k = 0; k < sbr->N_L[sbr->bs_limiter_bands]; k++) { + real_t Q_M = 0; + real_t G_max; + real_t den = 0; + real_t acc1 = 0; + real_t acc2 = 0; + uint8_t current_res_band_size = 0; + uint8_t Q_M_size = 0; + + uint8_t ml1, ml2; + + /* bounds of current limiter bands */ + ml1 = sbr->f_table_lim[sbr->bs_limiter_bands][k]; + ml2 = sbr->f_table_lim[sbr->bs_limiter_bands][k + 1]; + + + /* calculate the accumulated E_orig and E_curr over the limiter band */ + for (m = ml1; m < ml2; m++) { + if ((m + sbr->kx) < sbr->f_table_res[sbr->f[ch][l]][current_res_band + 1]) { + current_res_band_size++; + } else { + acc1 += pow2_int(-REAL_CONST(10) + log2_int_tab[current_res_band_size] + find_log2_E(sbr, current_res_band, l, ch)); + + current_res_band++; + current_res_band_size = 1; + } + + acc2 += sbr->E_curr[ch][m][l]; + } + acc1 += pow2_int(-REAL_CONST(10) + log2_int_tab[current_res_band_size] + find_log2_E(sbr, current_res_band, l, ch)); + + + if (acc1 == 0) { + acc1 = LOG2_MIN_INF; + } else { + acc1 = log2_int(acc1); + } + + + /* calculate the maximum gain */ + /* ratio of the energy of the original signal and the energy + * of the HF generated signal + */ + G_max = acc1 - log2_int(acc2) + limGain[sbr->bs_limiter_gains]; + G_max = min(G_max, limGain[3]); + + + for (m = ml1; m < ml2; m++) { + real_t G; + real_t E_curr, E_orig; + real_t Q_orig, Q_orig_plus1; + uint8_t S_index_mapped; + + + /* check if m is on a noise band border */ + if ((m + sbr->kx) == sbr->f_table_noise[current_f_noise_band + 1]) { + /* step to next noise band */ + current_f_noise_band++; + } + + + /* check if m is on a resolution band border */ + if ((m + sbr->kx) == sbr->f_table_res[sbr->f[ch][l]][current_res_band2 + 1]) { + /* accumulate a whole range of equal Q_Ms */ + if (Q_M_size > 0) { + den += pow2_int(log2_int_tab[Q_M_size] + Q_M); + } + Q_M_size = 0; + + /* step to next resolution band */ + current_res_band2++; + + /* if we move to a new resolution band, we should check if we are + * going to add a sinusoid in this band + */ + S_mapped = get_S_mapped(sbr, ch, l, current_res_band2); + } + + + /* check if m is on a HI_RES band border */ + if ((m + sbr->kx) == sbr->f_table_res[HI_RES][current_hi_res_band + 1]) { + /* step to next HI_RES band */ + current_hi_res_band++; + } + + + /* find S_index_mapped + * S_index_mapped can only be 1 for the m in the middle of the + * current HI_RES band + */ + S_index_mapped = 0; + if ((l >= sbr->l_A[ch]) || + (sbr->bs_add_harmonic_prev[ch][current_hi_res_band] && sbr->bs_add_harmonic_flag_prev[ch])) { + /* find the middle subband of the HI_RES frequency band */ + if ((m + sbr->kx) == (sbr->f_table_res[HI_RES][current_hi_res_band + 1] + sbr->f_table_res[HI_RES][current_hi_res_band]) >> 1) { + S_index_mapped = sbr->bs_add_harmonic[ch][current_hi_res_band]; + } + } + + + /* find bitstream parameters */ + if (sbr->E_curr[ch][m][l] == 0) { + E_curr = LOG2_MIN_INF; + } else { + E_curr = log2_int(sbr->E_curr[ch][m][l]); + } + E_orig = -REAL_CONST(10) + find_log2_E(sbr, current_res_band2, l, ch); + + + Q_orig = find_log2_Q(sbr, current_f_noise_band, current_t_noise_band, ch); + Q_orig_plus1 = find_log2_Qplus1(sbr, current_f_noise_band, current_t_noise_band, ch); + + + /* Q_M only depends on E_orig and Q_div2: + * since N_Q <= N_Low <= N_High we only need to recalculate Q_M on + * a change of current res band (HI or LO) + */ + Q_M = E_orig + Q_orig - Q_orig_plus1; + + + /* S_M only depends on E_orig, Q_div and S_index_mapped: + * S_index_mapped can only be non-zero once per HI_RES band + */ + if (S_index_mapped == 0) { + S_M[m] = LOG2_MIN_INF; /* -inf */ + } else { + S_M[m] = E_orig - Q_orig_plus1; + + /* accumulate sinusoid part of the total energy */ + den += pow2_int(S_M[m]); + } + + + /* calculate gain */ + /* ratio of the energy of the original signal and the energy + * of the HF generated signal + */ + /* E_curr here is officially E_curr+1 so the log2() of that can never be < 0 */ + /* scaled by -10 */ + G = E_orig - max(-REAL_CONST(10), E_curr); + if ((S_mapped == 0) && (delta == 1)) { + /* G = G * 1/(1+Q) */ + G -= Q_orig_plus1; + } else if (S_mapped == 1) { + /* G = G * Q/(1+Q) */ + G += Q_orig - Q_orig_plus1; + } + + + /* limit the additional noise energy level */ + /* and apply the limiter */ + if (G_max > G) { + Q_M_lim[m] = Q_M; + G_lim[m] = G; + + if ((S_index_mapped == 0) && (l != sbr->l_A[ch])) { + Q_M_size++; + } + } else { + /* G > G_max */ + Q_M_lim[m] = Q_M + G_max - G; + G_lim[m] = G_max; + + /* accumulate limited Q_M */ + if ((S_index_mapped == 0) && (l != sbr->l_A[ch])) { + den += pow2_int(Q_M_lim[m]); + } + } + + + /* accumulate the total energy */ + /* E_curr changes for every m so we do need to accumulate every m */ + den += pow2_int(E_curr + G_lim[m]); + } + + /* accumulate last range of equal Q_Ms */ + if (Q_M_size > 0) { + den += pow2_int(log2_int_tab[Q_M_size] + Q_M); + } + + + /* calculate the final gain */ + /* G_boost: [0..2.51188643] */ + G_boost = acc1 - log2_int(den /*+ EPS*/); + G_boost = min(G_boost, REAL_CONST(1.328771237) /* log2(1.584893192 ^ 2) */); + + + for (m = ml1; m < ml2; m++) { + /* apply compensation to gain, noise floor sf's and sinusoid levels */ +#ifndef SBR_LOW_POWER + adj->G_lim_boost[l][m] = pow2_fix((G_lim[m] + G_boost) >> 1); +#else + /* sqrt() will be done after the aliasing reduction to save a + * few multiplies + */ + adj->G_lim_boost[l][m] = pow2_fix(G_lim[m] + G_boost); +#endif + adj->Q_M_lim_boost[l][m] = pow2_fix((Q_M_lim[m] + G_boost) >> 1); + + if (S_M[m] != LOG2_MIN_INF) { + adj->S_M_boost[l][m] = pow2_int((S_M[m] + G_boost) >> 1); + } else { + adj->S_M_boost[l][m] = 0; + } + } + } + } +} + +#else + +//#define LOG2_TEST + +#ifdef LOG2_TEST + +#define LOG2_MIN_INF -100000 + +__inline float pow2(float val) +{ + return pow(2.0, val); +} +__inline float log2(float val) +{ + return log(val) / log(2.0); +} + +#define RB 14 + +float QUANTISE2REAL(float val) +{ + __int32 ival = (__int32)(val * (1 << RB)); + return (float)ival / (float)((1 << RB)); +} + +float QUANTISE2INT(float val) +{ + return floor(val); +} + +/* log2 values of [0..63] */ +static const real_t log2_int_tab[] = { + LOG2_MIN_INF, 0.000000000000000, 1.000000000000000, 1.584962500721156, + 2.000000000000000, 2.321928094887362, 2.584962500721156, 2.807354922057604, + 3.000000000000000, 3.169925001442313, 3.321928094887363, 3.459431618637297, + 3.584962500721156, 3.700439718141092, 3.807354922057604, 3.906890595608519, + 4.000000000000000, 4.087462841250339, 4.169925001442312, 4.247927513443585, + 4.321928094887362, 4.392317422778761, 4.459431618637297, 4.523561956057013, + 4.584962500721156, 4.643856189774724, 4.700439718141093, 4.754887502163468, + 4.807354922057604, 4.857980995127572, 4.906890595608519, 4.954196310386875, + 5.000000000000000, 5.044394119358453, 5.087462841250340, 5.129283016944966, + 5.169925001442312, 5.209453365628949, 5.247927513443585, 5.285402218862248, + 5.321928094887363, 5.357552004618084, 5.392317422778761, 5.426264754702098, + 5.459431618637297, 5.491853096329675, 5.523561956057013, 5.554588851677637, + 5.584962500721156, 5.614709844115208, 5.643856189774724, 5.672425341971495, + 5.700439718141093, 5.727920454563200, 5.754887502163469, 5.781359713524660, + 5.807354922057605, 5.832890014164742, 5.857980995127572, 5.882643049361842, + 5.906890595608518, 5.930737337562887, 5.954196310386876, 5.977279923499916 +}; + +static const real_t pan_log2_tab[] = { + 1.000000000000000, 0.584962500721156, 0.321928094887362, 0.169925001442312, 0.087462841250339, + 0.044394119358453, 0.022367813028455, 0.011227255423254, 0.005624549193878, 0.002815015607054, + 0.001408194392808, 0.000704269011247, 0.000352177480301, 0.000176099486443, 0.000088052430122, + 0.000044026886827, 0.000022013611360, 0.000011006847667 +}; + +static real_t find_log2_E(sbr_info *sbr, uint8_t k, uint8_t l, uint8_t ch) +{ + /* check for coupled energy/noise data */ + if (sbr->bs_coupling == 1) { + real_t amp0 = (sbr->amp_res[0]) ? 1.0 : 0.5; + real_t amp1 = (sbr->amp_res[1]) ? 1.0 : 0.5; + float tmp = QUANTISE2REAL(7.0 + (real_t)sbr->E[0][k][l] * amp0); + float pan; + + int E = (int)(sbr->E[1][k][l] * amp1); + + if (ch == 0) { + if (E > 12) { + /* negative */ + pan = QUANTISE2REAL(pan_log2_tab[-12 + E]); + } else { + /* positive */ + pan = QUANTISE2REAL(pan_log2_tab[12 - E] + (12 - E)); + } + } else { + if (E < 12) { + /* negative */ + pan = QUANTISE2REAL(pan_log2_tab[-E + 12]); + } else { + /* positive */ + pan = QUANTISE2REAL(pan_log2_tab[E - 12] + (E - 12)); + } + } + + /* tmp / pan in log2 */ + return QUANTISE2REAL(tmp - pan); + } else { + real_t amp = (sbr->amp_res[ch]) ? 1.0 : 0.5; + + return QUANTISE2REAL(6.0 + (real_t)sbr->E[ch][k][l] * amp); + } +} + +static real_t find_log2_Q(sbr_info *sbr, uint8_t k, uint8_t l, uint8_t ch) +{ + /* check for coupled energy/noise data */ + if (sbr->bs_coupling == 1) { + float tmp = QUANTISE2REAL(7.0 - (real_t)sbr->Q[0][k][l]); + float pan; + + int Q = (int)(sbr->Q[1][k][l]); + + if (ch == 0) { + if (Q > 12) { + /* negative */ + pan = QUANTISE2REAL(pan_log2_tab[-12 + Q]); + } else { + /* positive */ + pan = QUANTISE2REAL(pan_log2_tab[12 - Q] + (12 - Q)); + } + } else { + if (Q < 12) { + /* negative */ + pan = QUANTISE2REAL(pan_log2_tab[-Q + 12]); + } else { + /* positive */ + pan = QUANTISE2REAL(pan_log2_tab[Q - 12] + (Q - 12)); + } + } + + /* tmp / pan in log2 */ + return QUANTISE2REAL(tmp - pan); + } else { + return QUANTISE2REAL(6.0 - (real_t)sbr->Q[ch][k][l]); + } +} + +static const real_t log_Qplus1_pan[31][13] = { + { REAL_CONST(0.044383447617292), REAL_CONST(0.169768601655960), REAL_CONST(0.583090126514435), REAL_CONST(1.570089221000671), REAL_CONST(3.092446088790894), REAL_CONST(4.733354568481445), REAL_CONST(6.022367954254150), REAL_CONST(6.692092418670654), REAL_CONST(6.924463272094727), REAL_CONST(6.989034175872803), REAL_CONST(7.005646705627441), REAL_CONST(7.009829998016357), REAL_CONST(7.010877609252930) }, + { REAL_CONST(0.022362394258380), REAL_CONST(0.087379962205887), REAL_CONST(0.320804953575134), REAL_CONST(0.988859415054321), REAL_CONST(2.252387046813965), REAL_CONST(3.786596298217773), REAL_CONST(5.044394016265869), REAL_CONST(5.705977916717529), REAL_CONST(5.936291694641113), REAL_CONST(6.000346660614014), REAL_CONST(6.016829967498779), REAL_CONST(6.020981311798096), REAL_CONST(6.022020816802979) }, + { REAL_CONST(0.011224525049329), REAL_CONST(0.044351425021887), REAL_CONST(0.169301137328148), REAL_CONST(0.577544987201691), REAL_CONST(1.527246952056885), REAL_CONST(2.887525320053101), REAL_CONST(4.087462902069092), REAL_CONST(4.733354568481445), REAL_CONST(4.959661006927490), REAL_CONST(5.022709369659424), REAL_CONST(5.038940429687500), REAL_CONST(5.043028831481934), REAL_CONST(5.044052600860596) }, + { REAL_CONST(0.005623178556561), REAL_CONST(0.022346137091517), REAL_CONST(0.087132595479488), REAL_CONST(0.317482173442841), REAL_CONST(0.956931233406067), REAL_CONST(2.070389270782471), REAL_CONST(3.169924974441528), REAL_CONST(3.786596298217773), REAL_CONST(4.005294322967529), REAL_CONST(4.066420555114746), REAL_CONST(4.082170009613037), REAL_CONST(4.086137294769287), REAL_CONST(4.087131500244141) }, + { REAL_CONST(0.002814328996465), REAL_CONST(0.011216334067285), REAL_CONST(0.044224001467228), REAL_CONST(0.167456731200218), REAL_CONST(0.556393325328827), REAL_CONST(1.378511548042297), REAL_CONST(2.321928024291992), REAL_CONST(2.887525320053101), REAL_CONST(3.092446088790894), REAL_CONST(3.150059700012207), REAL_CONST(3.164926528930664), REAL_CONST(3.168673276901245), REAL_CONST(3.169611930847168) }, + { REAL_CONST(0.001407850766554), REAL_CONST(0.005619067233056), REAL_CONST(0.022281449288130), REAL_CONST(0.086156636476517), REAL_CONST(0.304854571819305), REAL_CONST(0.847996890544891), REAL_CONST(1.584962487220764), REAL_CONST(2.070389270782471), REAL_CONST(2.252387046813965), REAL_CONST(2.304061651229858), REAL_CONST(2.317430257797241), REAL_CONST(2.320801734924316), REAL_CONST(2.321646213531494) }, + { REAL_CONST(0.000704097095877), REAL_CONST(0.002812269143760), REAL_CONST(0.011183738708496), REAL_CONST(0.043721374124289), REAL_CONST(0.160464659333229), REAL_CONST(0.485426813364029), REAL_CONST(1.000000000000000), REAL_CONST(1.378511548042297), REAL_CONST(1.527246952056885), REAL_CONST(1.570089221000671), REAL_CONST(1.581215262413025), REAL_CONST(1.584023833274841), REAL_CONST(1.584727644920349) }, + { REAL_CONST(0.000352177477907), REAL_CONST(0.001406819908880), REAL_CONST(0.005602621007711), REAL_CONST(0.022026389837265), REAL_CONST(0.082462236285210), REAL_CONST(0.263034462928772), REAL_CONST(0.584962487220764), REAL_CONST(0.847996890544891), REAL_CONST(0.956931233406067), REAL_CONST(0.988859415054321), REAL_CONST(0.997190535068512), REAL_CONST(0.999296069145203), REAL_CONST(0.999823868274689) }, + { REAL_CONST(0.000176099492819), REAL_CONST(0.000703581434209), REAL_CONST(0.002804030198604), REAL_CONST(0.011055230163038), REAL_CONST(0.041820213198662), REAL_CONST(0.137503549456596), REAL_CONST(0.321928083896637), REAL_CONST(0.485426813364029), REAL_CONST(0.556393325328827), REAL_CONST(0.577544987201691), REAL_CONST(0.583090126514435), REAL_CONST(0.584493279457092), REAL_CONST(0.584845066070557) }, + { REAL_CONST(0.000088052431238), REAL_CONST(0.000351833587047), REAL_CONST(0.001402696361765), REAL_CONST(0.005538204684854), REAL_CONST(0.021061634644866), REAL_CONST(0.070389263331890), REAL_CONST(0.169925004243851), REAL_CONST(0.263034462928772), REAL_CONST(0.304854571819305), REAL_CONST(0.317482173442841), REAL_CONST(0.320804953575134), REAL_CONST(0.321646571159363), REAL_CONST(0.321857661008835) }, + { REAL_CONST(0.000044026888645), REAL_CONST(0.000175927518285), REAL_CONST(0.000701518612914), REAL_CONST(0.002771759871393), REAL_CONST(0.010569252073765), REAL_CONST(0.035623874515295), REAL_CONST(0.087462842464447), REAL_CONST(0.137503549456596), REAL_CONST(0.160464659333229), REAL_CONST(0.167456731200218), REAL_CONST(0.169301137328148), REAL_CONST(0.169768601655960), REAL_CONST(0.169885858893394) }, + { REAL_CONST(0.000022013611670), REAL_CONST(0.000088052431238), REAL_CONST(0.000350801943569), REAL_CONST(0.001386545598507), REAL_CONST(0.005294219125062), REAL_CONST(0.017921976745129), REAL_CONST(0.044394120573997), REAL_CONST(0.070389263331890), REAL_CONST(0.082462236285210), REAL_CONST(0.086156636476517), REAL_CONST(0.087132595479488), REAL_CONST(0.087379962205887), REAL_CONST(0.087442122399807) }, + { REAL_CONST(0.000011006847672), REAL_CONST(0.000044026888645), REAL_CONST(0.000175411638338), REAL_CONST(0.000693439331371), REAL_CONST(0.002649537986144), REAL_CONST(0.008988817222416), REAL_CONST(0.022367812693119), REAL_CONST(0.035623874515295), REAL_CONST(0.041820213198662), REAL_CONST(0.043721374124289), REAL_CONST(0.044224001467228), REAL_CONST(0.044351425021887), REAL_CONST(0.044383447617292) }, + { REAL_CONST(0.000005503434295), REAL_CONST(0.000022013611670), REAL_CONST(0.000087708482170), REAL_CONST(0.000346675369656), REAL_CONST(0.001325377263129), REAL_CONST(0.004501323681325), REAL_CONST(0.011227255687118), REAL_CONST(0.017921976745129), REAL_CONST(0.021061634644866), REAL_CONST(0.022026389837265), REAL_CONST(0.022281449288130), REAL_CONST(0.022346137091517), REAL_CONST(0.022362394258380) }, + { REAL_CONST(0.000002751719876), REAL_CONST(0.000011006847672), REAL_CONST(0.000043854910473), REAL_CONST(0.000173348103999), REAL_CONST(0.000662840844598), REAL_CONST(0.002252417383716), REAL_CONST(0.005624548997730), REAL_CONST(0.008988817222416), REAL_CONST(0.010569252073765), REAL_CONST(0.011055230163038), REAL_CONST(0.011183738708496), REAL_CONST(0.011216334067285), REAL_CONST(0.011224525049329) }, + { REAL_CONST(0.000001375860506), REAL_CONST(0.000005503434295), REAL_CONST(0.000022013611670), REAL_CONST(0.000086676649516), REAL_CONST(0.000331544462824), REAL_CONST(0.001126734190620), REAL_CONST(0.002815015614033), REAL_CONST(0.004501323681325), REAL_CONST(0.005294219125062), REAL_CONST(0.005538204684854), REAL_CONST(0.005602621007711), REAL_CONST(0.005619067233056), REAL_CONST(0.005623178556561) }, + { REAL_CONST(0.000000687930424), REAL_CONST(0.000002751719876), REAL_CONST(0.000011006847672), REAL_CONST(0.000043338975956), REAL_CONST(0.000165781748365), REAL_CONST(0.000563477107789), REAL_CONST(0.001408194424585), REAL_CONST(0.002252417383716), REAL_CONST(0.002649537986144), REAL_CONST(0.002771759871393), REAL_CONST(0.002804030198604), REAL_CONST(0.002812269143760), REAL_CONST(0.002814328996465) }, + { REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000005503434295), REAL_CONST(0.000021669651687), REAL_CONST(0.000082893253420), REAL_CONST(0.000281680084299), REAL_CONST(0.000704268983100), REAL_CONST(0.001126734190620), REAL_CONST(0.001325377263129), REAL_CONST(0.001386545598507), REAL_CONST(0.001402696361765), REAL_CONST(0.001406819908880), REAL_CONST(0.001407850766554) }, + { REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002751719876), REAL_CONST(0.000010834866771), REAL_CONST(0.000041447223339), REAL_CONST(0.000140846910654), REAL_CONST(0.000352177477907), REAL_CONST(0.000563477107789), REAL_CONST(0.000662840844598), REAL_CONST(0.000693439331371), REAL_CONST(0.000701518612914), REAL_CONST(0.000703581434209), REAL_CONST(0.000704097095877) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000005503434295), REAL_CONST(0.000020637769921), REAL_CONST(0.000070511166996), REAL_CONST(0.000176099492819), REAL_CONST(0.000281680084299), REAL_CONST(0.000331544462824), REAL_CONST(0.000346675369656), REAL_CONST(0.000350801943569), REAL_CONST(0.000351833587047), REAL_CONST(0.000352177477907) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002751719876), REAL_CONST(0.000010318922250), REAL_CONST(0.000035256012779), REAL_CONST(0.000088052431238), REAL_CONST(0.000140846910654), REAL_CONST(0.000165781748365), REAL_CONST(0.000173348103999), REAL_CONST(0.000175411638338), REAL_CONST(0.000175927518285), REAL_CONST(0.000176099492819) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000005159470220), REAL_CONST(0.000017542124624), REAL_CONST(0.000044026888645), REAL_CONST(0.000070511166996), REAL_CONST(0.000082893253420), REAL_CONST(0.000086676649516), REAL_CONST(0.000087708482170), REAL_CONST(0.000088052431238), REAL_CONST(0.000088052431238) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002579737384), REAL_CONST(0.000008771088687), REAL_CONST(0.000022013611670), REAL_CONST(0.000035256012779), REAL_CONST(0.000041447223339), REAL_CONST(0.000043338975956), REAL_CONST(0.000043854910473), REAL_CONST(0.000044026888645), REAL_CONST(0.000044026888645) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000004471542070), REAL_CONST(0.000011006847672), REAL_CONST(0.000017542124624), REAL_CONST(0.000020637769921), REAL_CONST(0.000021669651687), REAL_CONST(0.000022013611670), REAL_CONST(0.000022013611670), REAL_CONST(0.000022013611670) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002235772627), REAL_CONST(0.000005503434295), REAL_CONST(0.000008771088687), REAL_CONST(0.000010318922250), REAL_CONST(0.000010834866771), REAL_CONST(0.000011006847672), REAL_CONST(0.000011006847672), REAL_CONST(0.000011006847672) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001031895522), REAL_CONST(0.000002751719876), REAL_CONST(0.000004471542070), REAL_CONST(0.000005159470220), REAL_CONST(0.000005503434295), REAL_CONST(0.000005503434295), REAL_CONST(0.000005503434295), REAL_CONST(0.000005503434295) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000515947875), REAL_CONST(0.000001375860506), REAL_CONST(0.000002235772627), REAL_CONST(0.000002579737384), REAL_CONST(0.000002751719876), REAL_CONST(0.000002751719876), REAL_CONST(0.000002751719876), REAL_CONST(0.000002751719876) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000000687930424), REAL_CONST(0.000001031895522), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000343965269), REAL_CONST(0.000000515947875), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269) }, + { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634) } +}; + +static const real_t log_Qplus1[31] = { + REAL_CONST(6.022367813028454), REAL_CONST(5.044394119358453), REAL_CONST(4.087462841250339), + REAL_CONST(3.169925001442313), REAL_CONST(2.321928094887362), REAL_CONST(1.584962500721156), + REAL_CONST(1.000000000000000), REAL_CONST(0.584962500721156), REAL_CONST(0.321928094887362), + REAL_CONST(0.169925001442312), REAL_CONST(0.087462841250339), REAL_CONST(0.044394119358453), + REAL_CONST(0.022367813028455), REAL_CONST(0.011227255423254), REAL_CONST(0.005624549193878), + REAL_CONST(0.002815015607054), REAL_CONST(0.001408194392808), REAL_CONST(0.000704269011247), + REAL_CONST(0.000352177480301), REAL_CONST(0.000176099486443), REAL_CONST(0.000088052430122), + REAL_CONST(0.000044026886827), REAL_CONST(0.000022013611360), REAL_CONST(0.000011006847667), + REAL_CONST(0.000005503434331), REAL_CONST(0.000002751719790), REAL_CONST(0.000001375860551), + REAL_CONST(0.000000687930439), REAL_CONST(0.000000343965261), REAL_CONST(0.000000171982641), + REAL_CONST(0.000000000000000) +}; + +static real_t find_log2_Qplus1(sbr_info *sbr, uint8_t k, uint8_t l, uint8_t ch) +{ + /* check for coupled energy/noise data */ + if (sbr->bs_coupling == 1) { + if ((sbr->Q[0][k][l] >= 0) && (sbr->Q[0][k][l] <= 30) && + (sbr->Q[1][k][l] >= 0) && (sbr->Q[1][k][l] <= 24)) { + if (ch == 0) { + return QUANTISE2REAL(log_Qplus1_pan[sbr->Q[0][k][l]][sbr->Q[1][k][l] >> 1]); + } else { + return QUANTISE2REAL(log_Qplus1_pan[sbr->Q[0][k][l]][12 - (sbr->Q[1][k][l] >> 1)]); + } + } else { + return 0; + } + } else { + if (sbr->Q[ch][k][l] >= 0 && sbr->Q[ch][k][l] <= 30) { + return QUANTISE2REAL(log_Qplus1[sbr->Q[ch][k][l]]); + } else { + return 0; + } + } +} + +static void calculate_gain(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch) +{ + /* log2 values of limiter gains */ + static real_t limGain[] = { -1.0, 0.0, 1.0, 33.219 }; + uint8_t m, l, k; + + uint8_t current_t_noise_band = 0; + uint8_t S_mapped; + + ALIGN real_t Q_M_lim[MAX_M]; + ALIGN real_t G_lim[MAX_M]; + ALIGN real_t G_boost; + ALIGN real_t S_M[MAX_M]; + + + for (l = 0; l < sbr->L_E[ch]; l++) { + uint8_t current_f_noise_band = 0; + uint8_t current_res_band = 0; + uint8_t current_res_band2 = 0; + uint8_t current_hi_res_band = 0; + + real_t delta = (l == sbr->l_A[ch] || l == sbr->prevEnvIsShort[ch]) ? 0 : 1; + + S_mapped = get_S_mapped(sbr, ch, l, current_res_band2); + + if (sbr->t_E[ch][l + 1] > sbr->t_Q[ch][current_t_noise_band + 1]) { + current_t_noise_band++; + } + + for (k = 0; k < sbr->N_L[sbr->bs_limiter_bands]; k++) { + real_t Q_M = 0; + real_t G_max; + real_t den = 0; + real_t acc1 = 0; + real_t acc2 = 0; + uint8_t current_res_band_size = 0; + uint8_t Q_M_size = 0; + + uint8_t ml1, ml2; + + /* bounds of current limiter bands */ + ml1 = sbr->f_table_lim[sbr->bs_limiter_bands][k]; + ml2 = sbr->f_table_lim[sbr->bs_limiter_bands][k + 1]; + + + /* calculate the accumulated E_orig and E_curr over the limiter band */ + for (m = ml1; m < ml2; m++) { + if ((m + sbr->kx) < sbr->f_table_res[sbr->f[ch][l]][current_res_band + 1]) { + current_res_band_size++; + } else { + acc1 += QUANTISE2INT(pow2(-10 + log2_int_tab[current_res_band_size] + find_log2_E(sbr, current_res_band, l, ch))); + + current_res_band++; + current_res_band_size = 1; + } + + acc2 += QUANTISE2INT(sbr->E_curr[ch][m][l] / 1024.0); + } + acc1 += QUANTISE2INT(pow2(-10 + log2_int_tab[current_res_band_size] + find_log2_E(sbr, current_res_band, l, ch))); + + acc1 = QUANTISE2REAL(log2(EPS + acc1)); + + + /* calculate the maximum gain */ + /* ratio of the energy of the original signal and the energy + * of the HF generated signal + */ + G_max = acc1 - QUANTISE2REAL(log2(EPS + acc2)) + QUANTISE2REAL(limGain[sbr->bs_limiter_gains]); + G_max = min(G_max, QUANTISE2REAL(limGain[3])); + + + for (m = ml1; m < ml2; m++) { + real_t G; + real_t E_curr, E_orig; + real_t Q_orig, Q_orig_plus1; + uint8_t S_index_mapped; + + + /* check if m is on a noise band border */ + if ((m + sbr->kx) == sbr->f_table_noise[current_f_noise_band + 1]) { + /* step to next noise band */ + current_f_noise_band++; + } + + + /* check if m is on a resolution band border */ + if ((m + sbr->kx) == sbr->f_table_res[sbr->f[ch][l]][current_res_band2 + 1]) { + /* accumulate a whole range of equal Q_Ms */ + if (Q_M_size > 0) { + den += QUANTISE2INT(pow2(log2_int_tab[Q_M_size] + Q_M)); + } + Q_M_size = 0; + + /* step to next resolution band */ + current_res_band2++; + + /* if we move to a new resolution band, we should check if we are + * going to add a sinusoid in this band + */ + S_mapped = get_S_mapped(sbr, ch, l, current_res_band2); + } + + + /* check if m is on a HI_RES band border */ + if ((m + sbr->kx) == sbr->f_table_res[HI_RES][current_hi_res_band + 1]) { + /* step to next HI_RES band */ + current_hi_res_band++; + } + + + /* find S_index_mapped + * S_index_mapped can only be 1 for the m in the middle of the + * current HI_RES band + */ + S_index_mapped = 0; + if ((l >= sbr->l_A[ch]) || + (sbr->bs_add_harmonic_prev[ch][current_hi_res_band] && sbr->bs_add_harmonic_flag_prev[ch])) { + /* find the middle subband of the HI_RES frequency band */ + if ((m + sbr->kx) == (sbr->f_table_res[HI_RES][current_hi_res_band + 1] + sbr->f_table_res[HI_RES][current_hi_res_band]) >> 1) { + S_index_mapped = sbr->bs_add_harmonic[ch][current_hi_res_band]; + } + } + + + /* find bitstream parameters */ + if (sbr->E_curr[ch][m][l] == 0) { + E_curr = LOG2_MIN_INF; + } else { + E_curr = -10 + log2(sbr->E_curr[ch][m][l]); + } + E_orig = -10 + find_log2_E(sbr, current_res_band2, l, ch); + + Q_orig = find_log2_Q(sbr, current_f_noise_band, current_t_noise_band, ch); + Q_orig_plus1 = find_log2_Qplus1(sbr, current_f_noise_band, current_t_noise_band, ch); + + + /* Q_M only depends on E_orig and Q_div2: + * since N_Q <= N_Low <= N_High we only need to recalculate Q_M on + * a change of current res band (HI or LO) + */ + Q_M = E_orig + Q_orig - Q_orig_plus1; + + + /* S_M only depends on E_orig, Q_div and S_index_mapped: + * S_index_mapped can only be non-zero once per HI_RES band + */ + if (S_index_mapped == 0) { + S_M[m] = LOG2_MIN_INF; /* -inf */ + } else { + S_M[m] = E_orig - Q_orig_plus1; + + /* accumulate sinusoid part of the total energy */ + den += pow2(S_M[m]); + } + + + /* calculate gain */ + /* ratio of the energy of the original signal and the energy + * of the HF generated signal + */ + /* E_curr here is officially E_curr+1 so the log2() of that can never be < 0 */ + /* scaled by -10 */ + G = E_orig - max(-10, E_curr); + if ((S_mapped == 0) && (delta == 1)) { + /* G = G * 1/(1+Q) */ + G -= Q_orig_plus1; + } else if (S_mapped == 1) { + /* G = G * Q/(1+Q) */ + G += Q_orig - Q_orig_plus1; + } + + + /* limit the additional noise energy level */ + /* and apply the limiter */ + if (G_max > G) { + Q_M_lim[m] = QUANTISE2REAL(Q_M); + G_lim[m] = QUANTISE2REAL(G); + + if ((S_index_mapped == 0) && (l != sbr->l_A[ch])) { + Q_M_size++; + } + } else { + /* G > G_max */ + Q_M_lim[m] = QUANTISE2REAL(Q_M) + G_max - QUANTISE2REAL(G); + G_lim[m] = G_max; + + /* accumulate limited Q_M */ + if ((S_index_mapped == 0) && (l != sbr->l_A[ch])) { + den += QUANTISE2INT(pow2(Q_M_lim[m])); + } + } + + + /* accumulate the total energy */ + /* E_curr changes for every m so we do need to accumulate every m */ + den += QUANTISE2INT(pow2(E_curr + G_lim[m])); + } + + /* accumulate last range of equal Q_Ms */ + if (Q_M_size > 0) { + den += QUANTISE2INT(pow2(log2_int_tab[Q_M_size] + Q_M)); + } + + + /* calculate the final gain */ + /* G_boost: [0..2.51188643] */ + G_boost = acc1 - QUANTISE2REAL(log2(den + EPS)); + G_boost = min(G_boost, QUANTISE2REAL(1.328771237) /* log2(1.584893192 ^ 2) */); + + + for (m = ml1; m < ml2; m++) { + /* apply compensation to gain, noise floor sf's and sinusoid levels */ +#ifndef SBR_LOW_POWER + adj->G_lim_boost[l][m] = QUANTISE2REAL(pow2((G_lim[m] + G_boost) / 2.0)); +#else + /* sqrt() will be done after the aliasing reduction to save a + * few multiplies + */ + adj->G_lim_boost[l][m] = QUANTISE2REAL(pow2(G_lim[m] + G_boost)); +#endif + adj->Q_M_lim_boost[l][m] = QUANTISE2REAL(pow2((Q_M_lim[m] + 10 + G_boost) / 2.0)); + + if (S_M[m] != LOG2_MIN_INF) { + adj->S_M_boost[l][m] = QUANTISE2REAL(pow2((S_M[m] + 10 + G_boost) / 2.0)); + } else { + adj->S_M_boost[l][m] = 0; + } + } + } + } +} + +#else + +static void calculate_gain(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch) +{ + static real_t limGain[] = { 0.5, 1.0, 2.0, 1e10 }; + uint8_t m, l, k; + + uint8_t current_t_noise_band = 0; + uint8_t S_mapped; + + ALIGN real_t Q_M_lim[MAX_M]; + ALIGN real_t G_lim[MAX_M]; + ALIGN real_t G_boost; + ALIGN real_t S_M[MAX_M]; + + for (l = 0; l < sbr->L_E[ch]; l++) { + uint8_t current_f_noise_band = 0; + uint8_t current_res_band = 0; + uint8_t current_res_band2 = 0; + uint8_t current_hi_res_band = 0; + + real_t delta = (l == sbr->l_A[ch] || l == sbr->prevEnvIsShort[ch]) ? 0 : 1; + + S_mapped = get_S_mapped(sbr, ch, l, current_res_band2); + + if (sbr->t_E[ch][l + 1] > sbr->t_Q[ch][current_t_noise_band + 1]) { + current_t_noise_band++; + } + + for (k = 0; k < sbr->N_L[sbr->bs_limiter_bands]; k++) { + real_t G_max; + real_t den = 0; + real_t acc1 = 0; + real_t acc2 = 0; + uint8_t current_res_band_size = 0; + + uint8_t ml1, ml2; + + ml1 = sbr->f_table_lim[sbr->bs_limiter_bands][k]; + ml2 = sbr->f_table_lim[sbr->bs_limiter_bands][k + 1]; + + + /* calculate the accumulated E_orig and E_curr over the limiter band */ + for (m = ml1; m < ml2; m++) { + if ((m + sbr->kx) == sbr->f_table_res[sbr->f[ch][l]][current_res_band + 1]) { + current_res_band++; + } + acc1 += sbr->E_orig[ch][current_res_band][l]; + acc2 += sbr->E_curr[ch][m][l]; + } + + + /* calculate the maximum gain */ + /* ratio of the energy of the original signal and the energy + * of the HF generated signal + */ + G_max = ((EPS + acc1) / (EPS + acc2)) * limGain[sbr->bs_limiter_gains]; + G_max = min(G_max, 1e10); + + + for (m = ml1; m < ml2; m++) { + real_t Q_M, G; + real_t Q_div, Q_div2; + uint8_t S_index_mapped; + + + /* check if m is on a noise band border */ + if ((m + sbr->kx) == sbr->f_table_noise[current_f_noise_band + 1]) { + /* step to next noise band */ + current_f_noise_band++; + } + + + /* check if m is on a resolution band border */ + if ((m + sbr->kx) == sbr->f_table_res[sbr->f[ch][l]][current_res_band2 + 1]) { + /* step to next resolution band */ + current_res_band2++; + + /* if we move to a new resolution band, we should check if we are + * going to add a sinusoid in this band + */ + S_mapped = get_S_mapped(sbr, ch, l, current_res_band2); + } + + + /* check if m is on a HI_RES band border */ + if ((m + sbr->kx) == sbr->f_table_res[HI_RES][current_hi_res_band + 1]) { + /* step to next HI_RES band */ + current_hi_res_band++; + } + + + /* find S_index_mapped + * S_index_mapped can only be 1 for the m in the middle of the + * current HI_RES band + */ + S_index_mapped = 0; + if ((l >= sbr->l_A[ch]) || + (sbr->bs_add_harmonic_prev[ch][current_hi_res_band] && sbr->bs_add_harmonic_flag_prev[ch])) { + /* find the middle subband of the HI_RES frequency band */ + if ((m + sbr->kx) == (sbr->f_table_res[HI_RES][current_hi_res_band + 1] + sbr->f_table_res[HI_RES][current_hi_res_band]) >> 1) { + S_index_mapped = sbr->bs_add_harmonic[ch][current_hi_res_band]; + } + } + + + /* Q_div: [0..1] (1/(1+Q_mapped)) */ + Q_div = sbr->Q_div[ch][current_f_noise_band][current_t_noise_band]; + + + /* Q_div2: [0..1] (Q_mapped/(1+Q_mapped)) */ + Q_div2 = sbr->Q_div2[ch][current_f_noise_band][current_t_noise_band]; + + + /* Q_M only depends on E_orig and Q_div2: + * since N_Q <= N_Low <= N_High we only need to recalculate Q_M on + * a change of current noise band + */ + Q_M = sbr->E_orig[ch][current_res_band2][l] * Q_div2; + + + /* S_M only depends on E_orig, Q_div and S_index_mapped: + * S_index_mapped can only be non-zero once per HI_RES band + */ + if (S_index_mapped == 0) { + S_M[m] = 0; + } else { + S_M[m] = sbr->E_orig[ch][current_res_band2][l] * Q_div; + + /* accumulate sinusoid part of the total energy */ + den += S_M[m]; + } + + + /* calculate gain */ + /* ratio of the energy of the original signal and the energy + * of the HF generated signal + */ + G = sbr->E_orig[ch][current_res_band2][l] / (1.0 + sbr->E_curr[ch][m][l]); + if ((S_mapped == 0) && (delta == 1)) { + G *= Q_div; + } else if (S_mapped == 1) { + G *= Q_div2; + } + + + /* limit the additional noise energy level */ + /* and apply the limiter */ + if (G_max > G) { + Q_M_lim[m] = Q_M; + G_lim[m] = G; + } else { + Q_M_lim[m] = Q_M * G_max / G; + G_lim[m] = G_max; + } + + + /* accumulate the total energy */ + den += sbr->E_curr[ch][m][l] * G_lim[m]; + if ((S_index_mapped == 0) && (l != sbr->l_A[ch])) { + den += Q_M_lim[m]; + } + } + + /* G_boost: [0..2.51188643] */ + G_boost = (acc1 + EPS) / (den + EPS); + G_boost = min(G_boost, 2.51188643 /* 1.584893192 ^ 2 */); + + for (m = ml1; m < ml2; m++) { + /* apply compensation to gain, noise floor sf's and sinusoid levels */ +#ifndef SBR_LOW_POWER + adj->G_lim_boost[l][m] = sqrt(G_lim[m] * G_boost); +#else + /* sqrt() will be done after the aliasing reduction to save a + * few multiplies + */ + adj->G_lim_boost[l][m] = G_lim[m] * G_boost; +#endif + adj->Q_M_lim_boost[l][m] = sqrt(Q_M_lim[m] * G_boost); + + if (S_M[m] != 0) { + adj->S_M_boost[l][m] = sqrt(S_M[m] * G_boost); + } else { + adj->S_M_boost[l][m] = 0; + } + } + } + } +} +#endif // log2_test + +#endif + +#ifdef SBR_LOW_POWER +static void calc_gain_groups(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg, uint8_t ch) +{ + uint8_t l, k, i; + uint8_t grouping; + uint8_t S_mapped; + + for (l = 0; l < sbr->L_E[ch]; l++) { + uint8_t current_res_band = 0; + i = 0; + grouping = 0; + + S_mapped = get_S_mapped(sbr, ch, l, current_res_band); + + for (k = sbr->kx; k < sbr->kx + sbr->M - 1; k++) { + if (k == sbr->f_table_res[sbr->f[ch][l]][current_res_band + 1]) { + /* step to next resolution band */ + current_res_band++; + + S_mapped = get_S_mapped(sbr, ch, l, current_res_band); + } + + if (deg[k + 1] && S_mapped == 0) { + if (grouping == 0) { + sbr->f_group[l][i] = k; + grouping = 1; + i++; + } + } else { + if (grouping) { + if (S_mapped) { + sbr->f_group[l][i] = k; + } else { + sbr->f_group[l][i] = k + 1; + } + grouping = 0; + i++; + } + } + } + + if (grouping) { + sbr->f_group[l][i] = sbr->kx + sbr->M; + i++; + } + + sbr->N_G[l] = (uint8_t)(i >> 1); + } +} + +static void aliasing_reduction(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg, uint8_t ch) +{ + uint8_t l, k, m; + real_t E_total, E_total_est, G_target, acc; + + for (l = 0; l < sbr->L_E[ch]; l++) { + for (k = 0; k < sbr->N_G[l]; k++) { + E_total_est = E_total = 0; + + for (m = sbr->f_group[l][k << 1]; m < sbr->f_group[l][(k << 1) + 1]; m++) { + /* E_curr: integer */ + /* G_lim_boost: fixed point */ + /* E_total_est: integer */ + /* E_total: integer */ + E_total_est += sbr->E_curr[ch][m - sbr->kx][l]; +#ifdef FIXED_POINT + E_total += MUL_Q2(sbr->E_curr[ch][m - sbr->kx][l], adj->G_lim_boost[l][m - sbr->kx]); +#else + E_total += sbr->E_curr[ch][m - sbr->kx][l] * adj->G_lim_boost[l][m - sbr->kx]; +#endif + } + + /* G_target: fixed point */ + if ((E_total_est + EPS) == 0) { + G_target = 0; + } else { +#ifdef FIXED_POINT + G_target = (((int64_t)(E_total)) << Q2_BITS) / (E_total_est + EPS); +#else + G_target = E_total / (E_total_est + EPS); +#endif + } + acc = 0; + + for (m = sbr->f_group[l][(k << 1)]; m < sbr->f_group[l][(k << 1) + 1]; m++) { + real_t alpha; + + /* alpha: (COEF) fixed point */ + if (m < sbr->kx + sbr->M - 1) { + alpha = max(deg[m], deg[m + 1]); + } else { + alpha = deg[m]; + } + + adj->G_lim_boost[l][m - sbr->kx] = MUL_C(alpha, G_target) + + MUL_C((COEF_CONST(1) - alpha), adj->G_lim_boost[l][m - sbr->kx]); + + /* acc: integer */ +#ifdef FIXED_POINT + acc += MUL_Q2(adj->G_lim_boost[l][m - sbr->kx], sbr->E_curr[ch][m - sbr->kx][l]); +#else + acc += adj->G_lim_boost[l][m - sbr->kx] * sbr->E_curr[ch][m - sbr->kx][l]; +#endif + } + + /* acc: fixed point */ + if (acc + EPS == 0) { + acc = 0; + } else { +#ifdef FIXED_POINT + acc = (((int64_t)(E_total)) << Q2_BITS) / (acc + EPS); +#else + acc = E_total / (acc + EPS); +#endif + } + for (m = sbr->f_group[l][(k << 1)]; m < sbr->f_group[l][(k << 1) + 1]; m++) { +#ifdef FIXED_POINT + adj->G_lim_boost[l][m - sbr->kx] = MUL_Q2(acc, adj->G_lim_boost[l][m - sbr->kx]); +#else + adj->G_lim_boost[l][m - sbr->kx] = acc * adj->G_lim_boost[l][m - sbr->kx]; +#endif + } + } + } + + for (l = 0; l < sbr->L_E[ch]; l++) { + for (k = 0; k < sbr->N_L[sbr->bs_limiter_bands]; k++) { + for (m = sbr->f_table_lim[sbr->bs_limiter_bands][k]; + m < sbr->f_table_lim[sbr->bs_limiter_bands][k + 1]; m++) { +#ifdef FIXED_POINT + adj->G_lim_boost[l][m] = SBR_SQRT_Q2(adj->G_lim_boost[l][m]); +#else + adj->G_lim_boost[l][m] = sqrt(adj->G_lim_boost[l][m]); +#endif + } + } + } +} +#endif + +static void hf_assembly(sbr_info *sbr, sbr_hfadj_info *adj, + qmf_t Xsbr[MAX_NTSRHFG][64], uint8_t ch) +{ + static real_t h_smooth[] = { + FRAC_CONST(0.03183050093751), FRAC_CONST(0.11516383427084), + FRAC_CONST(0.21816949906249), FRAC_CONST(0.30150283239582), + FRAC_CONST(0.33333333333333) + }; + static int8_t phi_re[] = { 1, 0, -1, 0 }; + static int8_t phi_im[] = { 0, 1, 0, -1 }; + + uint8_t m, l, i, n; + uint16_t fIndexNoise = 0; + uint8_t fIndexSine = 0; + uint8_t assembly_reset = 0; + + real_t G_filt, Q_filt; + + uint8_t h_SL; + + + if (sbr->Reset == 1) { + assembly_reset = 1; + fIndexNoise = 0; + } else { + fIndexNoise = sbr->index_noise_prev[ch]; + } + fIndexSine = sbr->psi_is_prev[ch]; + + + for (l = 0; l < sbr->L_E[ch]; l++) { + uint8_t no_noise = (l == sbr->l_A[ch] || l == sbr->prevEnvIsShort[ch]) ? 1 : 0; + +#ifdef SBR_LOW_POWER + h_SL = 0; +#else + h_SL = (sbr->bs_smoothing_mode == 1) ? 0 : 4; + h_SL = (no_noise ? 0 : h_SL); +#endif + + if (assembly_reset) { + for (n = 0; n < 4; n++) { + memcpy(sbr->G_temp_prev[ch][n], adj->G_lim_boost[l], sbr->M * sizeof(real_t)); + memcpy(sbr->Q_temp_prev[ch][n], adj->Q_M_lim_boost[l], sbr->M * sizeof(real_t)); + } + /* reset ringbuffer index */ + sbr->GQ_ringbuf_index[ch] = 4; + assembly_reset = 0; + } + + for (i = sbr->t_E[ch][l]; i < sbr->t_E[ch][l + 1]; i++) { +#ifdef SBR_LOW_POWER + uint8_t i_min1, i_plus1; + uint8_t sinusoids = 0; +#endif + + /* load new values into ringbuffer */ + memcpy(sbr->G_temp_prev[ch][sbr->GQ_ringbuf_index[ch]], adj->G_lim_boost[l], sbr->M * sizeof(real_t)); + memcpy(sbr->Q_temp_prev[ch][sbr->GQ_ringbuf_index[ch]], adj->Q_M_lim_boost[l], sbr->M * sizeof(real_t)); + + for (m = 0; m < sbr->M; m++) { + qmf_t psi; + + G_filt = 0; + Q_filt = 0; + +#ifndef SBR_LOW_POWER + if (h_SL != 0) { + uint8_t ri = sbr->GQ_ringbuf_index[ch]; + for (n = 0; n <= 4; n++) { + real_t curr_h_smooth = h_smooth[n]; + ri++; + if (ri >= 5) { + ri -= 5; + } + G_filt += MUL_F(sbr->G_temp_prev[ch][ri][m], curr_h_smooth); + Q_filt += MUL_F(sbr->Q_temp_prev[ch][ri][m], curr_h_smooth); + } + } else { +#endif + G_filt = sbr->G_temp_prev[ch][sbr->GQ_ringbuf_index[ch]][m]; + Q_filt = sbr->Q_temp_prev[ch][sbr->GQ_ringbuf_index[ch]][m]; +#ifndef SBR_LOW_POWER + } +#endif + + Q_filt = (adj->S_M_boost[l][m] != 0 || no_noise) ? 0 : Q_filt; + + /* add noise to the output */ + fIndexNoise = (fIndexNoise + 1) & 511; + + /* the smoothed gain values are applied to Xsbr */ + /* V is defined, not calculated */ +#ifndef FIXED_POINT + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) = G_filt * QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) + + MUL_F(Q_filt, RE(V[fIndexNoise])); +#else + //QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) = MUL_Q2(G_filt, QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx])) + // + MUL_F(Q_filt, RE(V[fIndexNoise])); + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) = MUL_R(G_filt, QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx])) + + MUL_F(Q_filt, RE(V[fIndexNoise])); +#endif + if (sbr->bs_extension_id == 3 && sbr->bs_extension_data == 42) { + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) = 16428320; + } +#ifndef SBR_LOW_POWER +#ifndef FIXED_POINT + QMF_IM(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) = G_filt * QMF_IM(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) + + MUL_F(Q_filt, IM(V[fIndexNoise])); +#else + //QMF_IM(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) = MUL_Q2(G_filt, QMF_IM(Xsbr[i + sbr->tHFAdj][m+sbr->kx])) + // + MUL_F(Q_filt, IM(V[fIndexNoise])); + QMF_IM(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) = MUL_R(G_filt, QMF_IM(Xsbr[i + sbr->tHFAdj][m + sbr->kx])) + + MUL_F(Q_filt, IM(V[fIndexNoise])); +#endif +#endif + + { + int8_t rev = (((m + sbr->kx) & 1) ? -1 : 1); + QMF_RE(psi) = adj->S_M_boost[l][m] * phi_re[fIndexSine]; +#ifdef FIXED_POINT + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) += (QMF_RE(psi) << REAL_BITS); +#else + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) += QMF_RE(psi); +#endif + +#ifndef SBR_LOW_POWER + QMF_IM(psi) = rev * adj->S_M_boost[l][m] * phi_im[fIndexSine]; +#ifdef FIXED_POINT + QMF_IM(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) += (QMF_IM(psi) << REAL_BITS); +#else + QMF_IM(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) += QMF_IM(psi); +#endif +#else + + i_min1 = (fIndexSine - 1) & 3; + i_plus1 = (fIndexSine + 1) & 3; + +#ifndef FIXED_POINT + if ((m == 0) && (phi_re[i_plus1] != 0)) { + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx - 1]) += + (rev * phi_re[i_plus1] * MUL_F(adj->S_M_boost[l][0], FRAC_CONST(0.00815))); + if (sbr->M != 0) { + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) -= + (rev * phi_re[i_plus1] * MUL_F(adj->S_M_boost[l][1], FRAC_CONST(0.00815))); + } + } + if ((m > 0) && (m < sbr->M - 1) && (sinusoids < 16) && (phi_re[i_min1] != 0)) { + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) -= + (rev * phi_re[i_min1] * MUL_F(adj->S_M_boost[l][m - 1], FRAC_CONST(0.00815))); + } + if ((m > 0) && (m < sbr->M - 1) && (sinusoids < 16) && (phi_re[i_plus1] != 0)) { + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) -= + (rev * phi_re[i_plus1] * MUL_F(adj->S_M_boost[l][m + 1], FRAC_CONST(0.00815))); + } + if ((m == sbr->M - 1) && (sinusoids < 16) && (phi_re[i_min1] != 0)) { + if (m > 0) { + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) -= + (rev * phi_re[i_min1] * MUL_F(adj->S_M_boost[l][m - 1], FRAC_CONST(0.00815))); + } + if (m + sbr->kx < 64) { + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx + 1]) += + (rev * phi_re[i_min1] * MUL_F(adj->S_M_boost[l][m], FRAC_CONST(0.00815))); + } + } +#else + if ((m == 0) && (phi_re[i_plus1] != 0)) { + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx - 1]) += + (rev * phi_re[i_plus1] * MUL_F((adj->S_M_boost[l][0] << REAL_BITS), FRAC_CONST(0.00815))); + if (sbr->M != 0) { + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) -= + (rev * phi_re[i_plus1] * MUL_F((adj->S_M_boost[l][1] << REAL_BITS), FRAC_CONST(0.00815))); + } + } + if ((m > 0) && (m < sbr->M - 1) && (sinusoids < 16) && (phi_re[i_min1] != 0)) { + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) -= + (rev * phi_re[i_min1] * MUL_F((adj->S_M_boost[l][m - 1] << REAL_BITS), FRAC_CONST(0.00815))); + } + if ((m > 0) && (m < sbr->M - 1) && (sinusoids < 16) && (phi_re[i_plus1] != 0)) { + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) -= + (rev * phi_re[i_plus1] * MUL_F((adj->S_M_boost[l][m + 1] << REAL_BITS), FRAC_CONST(0.00815))); + } + if ((m == sbr->M - 1) && (sinusoids < 16) && (phi_re[i_min1] != 0)) { + if (m > 0) { + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx]) -= + (rev * phi_re[i_min1] * MUL_F((adj->S_M_boost[l][m - 1] << REAL_BITS), FRAC_CONST(0.00815))); + } + if (m + sbr->kx < 64) { + QMF_RE(Xsbr[i + sbr->tHFAdj][m + sbr->kx + 1]) += + (rev * phi_re[i_min1] * MUL_F((adj->S_M_boost[l][m] << REAL_BITS), FRAC_CONST(0.00815))); + } + } +#endif + + if (adj->S_M_boost[l][m] != 0) { + sinusoids++; + } +#endif + } + } + + fIndexSine = (fIndexSine + 1) & 3; + + /* update the ringbuffer index used for filtering G and Q with h_smooth */ + sbr->GQ_ringbuf_index[ch]++; + if (sbr->GQ_ringbuf_index[ch] >= 5) { + sbr->GQ_ringbuf_index[ch] = 0; + } + } + } + + sbr->index_noise_prev[ch] = fIndexNoise; + sbr->psi_is_prev[ch] = fIndexSine; +} + +#endif diff --git a/audio_codec/libfaad/sbr_hfadj.h b/audio_codec/libfaad/sbr_hfadj.h new file mode 100644 index 0000000..d527e17 --- a/dev/null +++ b/audio_codec/libfaad/sbr_hfadj.h @@ -0,0 +1,56 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_hfadj.h,v 1.19 2007/11/01 12:33:35 menno Exp $ +**/ + +#ifndef __SBR_HFADJ_H__ +#define __SBR_HFADJ_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + typedef struct { + real_t G_lim_boost[MAX_L_E][MAX_M]; + real_t Q_M_lim_boost[MAX_L_E][MAX_M]; + real_t S_M_boost[MAX_L_E][MAX_M]; + } sbr_hfadj_info; + + + uint8_t hf_adjustment(sbr_info *sbr, qmf_t Xsbr[MAX_NTSRHFG][64] +#ifdef SBR_LOW_POWER + , real_t *deg +#endif + , uint8_t ch); + + +#ifdef __cplusplus +} +#endif +#endif + diff --git a/audio_codec/libfaad/sbr_hfgen.c b/audio_codec/libfaad/sbr_hfgen.c new file mode 100644 index 0000000..4932439 --- a/dev/null +++ b/audio_codec/libfaad/sbr_hfgen.c @@ -0,0 +1,647 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_hfgen.c,v 1.26 2007/11/01 12:33:35 menno Exp $ +**/ + +/* High Frequency generation */ + +#include "common.h" +#include "structs.h" + +#ifdef SBR_DEC + +#include "sbr_syntax.h" +#include "sbr_hfgen.h" +#include "sbr_fbt.h" + +/* static function declarations */ +#ifdef SBR_LOW_POWER +static void calc_prediction_coef_lp(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][64], + complex_t *alpha_0, complex_t *alpha_1, real_t *rxx); +static void calc_aliasing_degree(sbr_info *sbr, real_t *rxx, real_t *deg); +#else +static void calc_prediction_coef(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][64], + complex_t *alpha_0, complex_t *alpha_1, uint8_t k); +#endif +static void calc_chirp_factors(sbr_info *sbr, uint8_t ch); +static void patch_construction(sbr_info *sbr); + + +void hf_generation(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][64], + qmf_t Xhigh[MAX_NTSRHFG][64] +#ifdef SBR_LOW_POWER + , real_t *deg +#endif + , uint8_t ch) +{ + uint8_t l, i, x; + ALIGN complex_t alpha_0[64], alpha_1[64]; +#ifdef SBR_LOW_POWER + ALIGN real_t rxx[64]; +#endif + + uint8_t offset = sbr->tHFAdj; + uint8_t first = sbr->t_E[ch][0]; + uint8_t last = sbr->t_E[ch][sbr->L_E[ch]]; + + calc_chirp_factors(sbr, ch); + +#ifdef SBR_LOW_POWER + memset(deg, 0, 64 * sizeof(real_t)); +#endif + + if ((ch == 0) && (sbr->Reset)) { + patch_construction(sbr); + } + + /* calculate the prediction coefficients */ +#ifdef SBR_LOW_POWER + calc_prediction_coef_lp(sbr, Xlow, alpha_0, alpha_1, rxx); + calc_aliasing_degree(sbr, rxx, deg); +#endif + + /* actual HF generation */ + for (i = 0; i < sbr->noPatches; i++) { + for (x = 0; x < sbr->patchNoSubbands[i]; x++) { + real_t a0_r, a0_i, a1_r, a1_i; + real_t bw, bw2; + uint8_t q, p, k, g; + + /* find the low and high band for patching */ + k = sbr->kx + x; + for (q = 0; q < i; q++) { + k += sbr->patchNoSubbands[q]; + } + p = sbr->patchStartSubband[i] + x; + +#ifdef SBR_LOW_POWER + if (x != 0 /*x < sbr->patchNoSubbands[i]-1*/) { + deg[k] = deg[p]; + } else { + deg[k] = 0; + } +#endif + + g = sbr->table_map_k_to_g[k]; + + bw = sbr->bwArray[ch][g]; + bw2 = MUL_C(bw, bw); + + /* do the patching */ + /* with or without filtering */ + if (bw2 > 0) { + real_t temp1_r, temp2_r, temp3_r; +#ifndef SBR_LOW_POWER + real_t temp1_i, temp2_i, temp3_i; + calc_prediction_coef(sbr, Xlow, alpha_0, alpha_1, p); +#endif + + a0_r = MUL_C(RE(alpha_0[p]), bw); + a1_r = MUL_C(RE(alpha_1[p]), bw2); +#ifndef SBR_LOW_POWER + a0_i = MUL_C(IM(alpha_0[p]), bw); + a1_i = MUL_C(IM(alpha_1[p]), bw2); +#endif + + temp2_r = QMF_RE(Xlow[first - 2 + offset][p]); + temp3_r = QMF_RE(Xlow[first - 1 + offset][p]); +#ifndef SBR_LOW_POWER + temp2_i = QMF_IM(Xlow[first - 2 + offset][p]); + temp3_i = QMF_IM(Xlow[first - 1 + offset][p]); +#endif + for (l = first; l < last; l++) { + temp1_r = temp2_r; + temp2_r = temp3_r; + temp3_r = QMF_RE(Xlow[l + offset][p]); +#ifndef SBR_LOW_POWER + temp1_i = temp2_i; + temp2_i = temp3_i; + temp3_i = QMF_IM(Xlow[l + offset][p]); +#endif + +#ifdef SBR_LOW_POWER + QMF_RE(Xhigh[l + offset][k]) = + temp3_r + + (MUL_R(a0_r, temp2_r) + + MUL_R(a1_r, temp1_r)); +#else + QMF_RE(Xhigh[l + offset][k]) = + temp3_r + + (MUL_R(a0_r, temp2_r) - + MUL_R(a0_i, temp2_i) + + MUL_R(a1_r, temp1_r) - + MUL_R(a1_i, temp1_i)); + QMF_IM(Xhigh[l + offset][k]) = + temp3_i + + (MUL_R(a0_i, temp2_r) + + MUL_R(a0_r, temp2_i) + + MUL_R(a1_i, temp1_r) + + MUL_R(a1_r, temp1_i)); +#endif + } + } else { + for (l = first; l < last; l++) { + QMF_RE(Xhigh[l + offset][k]) = QMF_RE(Xlow[l + offset][p]); +#ifndef SBR_LOW_POWER + QMF_IM(Xhigh[l + offset][k]) = QMF_IM(Xlow[l + offset][p]); +#endif + } + } + } + } + + if (sbr->Reset) { + limiter_frequency_table(sbr); + } +} + +typedef struct { + complex_t r01; + complex_t r02; + complex_t r11; + complex_t r12; + complex_t r22; + real_t det; +} acorr_coef; + +#ifdef SBR_LOW_POWER +static void auto_correlation(sbr_info *sbr, acorr_coef *ac, + qmf_t buffer[MAX_NTSRHFG][64], + uint8_t bd, uint8_t len) +{ + real_t r01 = 0, r02 = 0, r11 = 0; + int8_t j; + uint8_t offset = sbr->tHFAdj; +#ifdef FIXED_POINT + const real_t rel = FRAC_CONST(0.999999); // 1 / (1 + 1e-6f); + uint32_t maxi = 0; + uint32_t pow2, exp; +#else + const real_t rel = 1 / (1 + 1e-6f); +#endif + + +#ifdef FIXED_POINT + mask = 0; + + for (j = (offset - 2); j < (len + offset); j++) { + real_t x; + x = QMF_RE(buffer[j][bd]) >> REAL_BITS; + mask |= x ^(x >> 31); + } + + exp = wl_min_lzc(mask); + + /* improves accuracy */ + if (exp > 0) { + exp -= 1; + } + + for (j = offset; j < len + offset; j++) { + real_t buf_j = ((QMF_RE(buffer[j][bd]) + (1 << (exp - 1))) >> exp); + real_t buf_j_1 = ((QMF_RE(buffer[j - 1][bd]) + (1 << (exp - 1))) >> exp); + real_t buf_j_2 = ((QMF_RE(buffer[j - 2][bd]) + (1 << (exp - 1))) >> exp); + + /* normalisation with rounding */ + r01 += MUL_R(buf_j, buf_j_1); + r02 += MUL_R(buf_j, buf_j_2); + r11 += MUL_R(buf_j_1, buf_j_1); + } + RE(ac->r12) = r01 - + MUL_R(((QMF_RE(buffer[len + offset - 1][bd]) + (1 << (exp - 1))) >> exp), ((QMF_RE(buffer[len + offset - 2][bd]) + (1 << (exp - 1))) >> exp)) + + MUL_R(((QMF_RE(buffer[offset - 1][bd]) + (1 << (exp - 1))) >> exp), ((QMF_RE(buffer[offset - 2][bd]) + (1 << (exp - 1))) >> exp)); + RE(ac->r22) = r11 - + MUL_R(((QMF_RE(buffer[len + offset - 2][bd]) + (1 << (exp - 1))) >> exp), ((QMF_RE(buffer[len + offset - 2][bd]) + (1 << (exp - 1))) >> exp)) + + MUL_R(((QMF_RE(buffer[offset - 2][bd]) + (1 << (exp - 1))) >> exp), ((QMF_RE(buffer[offset - 2][bd]) + (1 << (exp - 1))) >> exp)); +#else + for (j = offset; j < len + offset; j++) { + r01 += QMF_RE(buffer[j][bd]) * QMF_RE(buffer[j - 1][bd]); + r02 += QMF_RE(buffer[j][bd]) * QMF_RE(buffer[j - 2][bd]); + r11 += QMF_RE(buffer[j - 1][bd]) * QMF_RE(buffer[j - 1][bd]); + } + RE(ac->r12) = r01 - + QMF_RE(buffer[len + offset - 1][bd]) * QMF_RE(buffer[len + offset - 2][bd]) + + QMF_RE(buffer[offset - 1][bd]) * QMF_RE(buffer[offset - 2][bd]); + RE(ac->r22) = r11 - + QMF_RE(buffer[len + offset - 2][bd]) * QMF_RE(buffer[len + offset - 2][bd]) + + QMF_RE(buffer[offset - 2][bd]) * QMF_RE(buffer[offset - 2][bd]); +#endif + RE(ac->r01) = r01; + RE(ac->r02) = r02; + RE(ac->r11) = r11; + + ac->det = MUL_R(RE(ac->r11), RE(ac->r22)) - MUL_F(MUL_R(RE(ac->r12), RE(ac->r12)), rel); +} +#else +static void auto_correlation(sbr_info *sbr, acorr_coef *ac, qmf_t buffer[MAX_NTSRHFG][64], + uint8_t bd, uint8_t len) +{ + real_t r01r = 0, r01i = 0, r02r = 0, r02i = 0, r11r = 0; + real_t temp1_r, temp1_i, temp2_r, temp2_i, temp3_r, temp3_i, temp4_r, temp4_i, temp5_r, temp5_i; +#ifdef FIXED_POINT + const real_t rel = FRAC_CONST(0.999999); // 1 / (1 + 1e-6f); + uint32_t mask, exp; + real_t pow2_to_exp; +#else + const real_t rel = 1 / (1 + 1e-6f); +#endif + int8_t j; + uint8_t offset = sbr->tHFAdj; + +#ifdef FIXED_POINT + mask = 0; + + for (j = (offset - 2); j < (len + offset); j++) { + real_t x; + x = QMF_RE(buffer[j][bd]) >> REAL_BITS; + mask |= x ^(x >> 31); + x = QMF_IM(buffer[j][bd]) >> REAL_BITS; + mask |= x ^(x >> 31); + } + + exp = wl_min_lzc(mask); + + /* improves accuracy */ + if (exp > 0) { + exp -= 1; + } + + pow2_to_exp = 1 << (exp - 1); + + temp2_r = (QMF_RE(buffer[offset - 2][bd]) + pow2_to_exp) >> exp; + temp2_i = (QMF_IM(buffer[offset - 2][bd]) + pow2_to_exp) >> exp; + temp3_r = (QMF_RE(buffer[offset - 1][bd]) + pow2_to_exp) >> exp; + temp3_i = (QMF_IM(buffer[offset - 1][bd]) + pow2_to_exp) >> exp; + // Save these because they are needed after loop + temp4_r = temp2_r; + temp4_i = temp2_i; + temp5_r = temp3_r; + temp5_i = temp3_i; + + for (j = offset; j < len + offset; j++) { + temp1_r = temp2_r; // temp1_r = (QMF_RE(buffer[offset-2][bd] + (1<<(exp-1))) >> exp; + temp1_i = temp2_i; // temp1_i = (QMF_IM(buffer[offset-2][bd] + (1<<(exp-1))) >> exp; + temp2_r = temp3_r; // temp2_r = (QMF_RE(buffer[offset-1][bd] + (1<<(exp-1))) >> exp; + temp2_i = temp3_i; // temp2_i = (QMF_IM(buffer[offset-1][bd] + (1<<(exp-1))) >> exp; + temp3_r = (QMF_RE(buffer[j][bd]) + pow2_to_exp) >> exp; + temp3_i = (QMF_IM(buffer[j][bd]) + pow2_to_exp) >> exp; + r01r += MUL_R(temp3_r, temp2_r) + MUL_R(temp3_i, temp2_i); + r01i += MUL_R(temp3_i, temp2_r) - MUL_R(temp3_r, temp2_i); + r02r += MUL_R(temp3_r, temp1_r) + MUL_R(temp3_i, temp1_i); + r02i += MUL_R(temp3_i, temp1_r) - MUL_R(temp3_r, temp1_i); + r11r += MUL_R(temp2_r, temp2_r) + MUL_R(temp2_i, temp2_i); + } + + // These are actual values in temporary variable at this point + // temp1_r = (QMF_RE(buffer[len+offset-1-2][bd] + (1<<(exp-1))) >> exp; + // temp1_i = (QMF_IM(buffer[len+offset-1-2][bd] + (1<<(exp-1))) >> exp; + // temp2_r = (QMF_RE(buffer[len+offset-1-1][bd] + (1<<(exp-1))) >> exp; + // temp2_i = (QMF_IM(buffer[len+offset-1-1][bd] + (1<<(exp-1))) >> exp; + // temp3_r = (QMF_RE(buffer[len+offset-1][bd]) + (1<<(exp-1))) >> exp; + // temp3_i = (QMF_IM(buffer[len+offset-1][bd]) + (1<<(exp-1))) >> exp; + // temp4_r = (QMF_RE(buffer[offset-2][bd]) + (1<<(exp-1))) >> exp; + // temp4_i = (QMF_IM(buffer[offset-2][bd]) + (1<<(exp-1))) >> exp; + // temp5_r = (QMF_RE(buffer[offset-1][bd]) + (1<<(exp-1))) >> exp; + // temp5_i = (QMF_IM(buffer[offset-1][bd]) + (1<<(exp-1))) >> exp; + + RE(ac->r12) = r01r - + (MUL_R(temp3_r, temp2_r) + MUL_R(temp3_i, temp2_i)) + + (MUL_R(temp5_r, temp4_r) + MUL_R(temp5_i, temp4_i)); + IM(ac->r12) = r01i - + (MUL_R(temp3_i, temp2_r) - MUL_R(temp3_r, temp2_i)) + + (MUL_R(temp5_i, temp4_r) - MUL_R(temp5_r, temp4_i)); + RE(ac->r22) = r11r - + (MUL_R(temp2_r, temp2_r) + MUL_R(temp2_i, temp2_i)) + + (MUL_R(temp4_r, temp4_r) + MUL_R(temp4_i, temp4_i)); + +#else + + temp2_r = QMF_RE(buffer[offset - 2][bd]); + temp2_i = QMF_IM(buffer[offset - 2][bd]); + temp3_r = QMF_RE(buffer[offset - 1][bd]); + temp3_i = QMF_IM(buffer[offset - 1][bd]); + // Save these because they are needed after loop + temp4_r = temp2_r; + temp4_i = temp2_i; + temp5_r = temp3_r; + temp5_i = temp3_i; + + for (j = offset; j < len + offset; j++) { + temp1_r = temp2_r; // temp1_r = QMF_RE(buffer[j-2][bd]; + temp1_i = temp2_i; // temp1_i = QMF_IM(buffer[j-2][bd]; + temp2_r = temp3_r; // temp2_r = QMF_RE(buffer[j-1][bd]; + temp2_i = temp3_i; // temp2_i = QMF_IM(buffer[j-1][bd]; + temp3_r = QMF_RE(buffer[j][bd]); + temp3_i = QMF_IM(buffer[j][bd]); + r01r += temp3_r * temp2_r + temp3_i * temp2_i; + r01i += temp3_i * temp2_r - temp3_r * temp2_i; + r02r += temp3_r * temp1_r + temp3_i * temp1_i; + r02i += temp3_i * temp1_r - temp3_r * temp1_i; + r11r += temp2_r * temp2_r + temp2_i * temp2_i; + } + + // These are actual values in temporary variable at this point + // temp1_r = QMF_RE(buffer[len+offset-1-2][bd]; + // temp1_i = QMF_IM(buffer[len+offset-1-2][bd]; + // temp2_r = QMF_RE(buffer[len+offset-1-1][bd]; + // temp2_i = QMF_IM(buffer[len+offset-1-1][bd]; + // temp3_r = QMF_RE(buffer[len+offset-1][bd]); + // temp3_i = QMF_IM(buffer[len+offset-1][bd]); + // temp4_r = QMF_RE(buffer[offset-2][bd]); + // temp4_i = QMF_IM(buffer[offset-2][bd]); + // temp5_r = QMF_RE(buffer[offset-1][bd]); + // temp5_i = QMF_IM(buffer[offset-1][bd]); + + RE(ac->r12) = r01r - + (temp3_r * temp2_r + temp3_i * temp2_i) + + (temp5_r * temp4_r + temp5_i * temp4_i); + IM(ac->r12) = r01i - + (temp3_i * temp2_r - temp3_r * temp2_i) + + (temp5_i * temp4_r - temp5_r * temp4_i); + RE(ac->r22) = r11r - + (temp2_r * temp2_r + temp2_i * temp2_i) + + (temp4_r * temp4_r + temp4_i * temp4_i); + +#endif + + RE(ac->r01) = r01r; + IM(ac->r01) = r01i; + RE(ac->r02) = r02r; + IM(ac->r02) = r02i; + RE(ac->r11) = r11r; + + ac->det = MUL_R(RE(ac->r11), RE(ac->r22)) - MUL_F(rel, (MUL_R(RE(ac->r12), RE(ac->r12)) + MUL_R(IM(ac->r12), IM(ac->r12)))); +} +#endif + +/* calculate linear prediction coefficients using the covariance method */ +#ifndef SBR_LOW_POWER +static void calc_prediction_coef(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][64], + complex_t *alpha_0, complex_t *alpha_1, uint8_t k) +{ + real_t tmp; + acorr_coef ac; + + auto_correlation(sbr, &ac, Xlow, k, sbr->numTimeSlotsRate + 6); + + if (ac.det == 0) { + RE(alpha_1[k]) = 0; + IM(alpha_1[k]) = 0; + } else { +#ifdef FIXED_POINT + tmp = (MUL_R(RE(ac.r01), RE(ac.r12)) - MUL_R(IM(ac.r01), IM(ac.r12)) - MUL_R(RE(ac.r02), RE(ac.r11))); + RE(alpha_1[k]) = DIV_R(tmp, ac.det); + tmp = (MUL_R(IM(ac.r01), RE(ac.r12)) + MUL_R(RE(ac.r01), IM(ac.r12)) - MUL_R(IM(ac.r02), RE(ac.r11))); + IM(alpha_1[k]) = DIV_R(tmp, ac.det); +#else + tmp = REAL_CONST(1.0) / ac.det; + RE(alpha_1[k]) = (MUL_R(RE(ac.r01), RE(ac.r12)) - MUL_R(IM(ac.r01), IM(ac.r12)) - MUL_R(RE(ac.r02), RE(ac.r11))) * tmp; + IM(alpha_1[k]) = (MUL_R(IM(ac.r01), RE(ac.r12)) + MUL_R(RE(ac.r01), IM(ac.r12)) - MUL_R(IM(ac.r02), RE(ac.r11))) * tmp; +#endif + } + + if (RE(ac.r11) == 0) { + RE(alpha_0[k]) = 0; + IM(alpha_0[k]) = 0; + } else { +#ifdef FIXED_POINT + tmp = -(RE(ac.r01) + MUL_R(RE(alpha_1[k]), RE(ac.r12)) + MUL_R(IM(alpha_1[k]), IM(ac.r12))); + RE(alpha_0[k]) = DIV_R(tmp, RE(ac.r11)); + tmp = -(IM(ac.r01) + MUL_R(IM(alpha_1[k]), RE(ac.r12)) - MUL_R(RE(alpha_1[k]), IM(ac.r12))); + IM(alpha_0[k]) = DIV_R(tmp, RE(ac.r11)); +#else + tmp = 1.0f / RE(ac.r11); + RE(alpha_0[k]) = -(RE(ac.r01) + MUL_R(RE(alpha_1[k]), RE(ac.r12)) + MUL_R(IM(alpha_1[k]), IM(ac.r12))) * tmp; + IM(alpha_0[k]) = -(IM(ac.r01) + MUL_R(IM(alpha_1[k]), RE(ac.r12)) - MUL_R(RE(alpha_1[k]), IM(ac.r12))) * tmp; +#endif + } + + if ((MUL_R(RE(alpha_0[k]), RE(alpha_0[k])) + MUL_R(IM(alpha_0[k]), IM(alpha_0[k])) >= REAL_CONST(16)) || + (MUL_R(RE(alpha_1[k]), RE(alpha_1[k])) + MUL_R(IM(alpha_1[k]), IM(alpha_1[k])) >= REAL_CONST(16))) { + RE(alpha_0[k]) = 0; + IM(alpha_0[k]) = 0; + RE(alpha_1[k]) = 0; + IM(alpha_1[k]) = 0; + } +} +#else +static void calc_prediction_coef_lp(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][64], + complex_t *alpha_0, complex_t *alpha_1, real_t *rxx) +{ + uint8_t k; + real_t tmp; + acorr_coef ac; + + for (k = 1; k < sbr->f_master[0]; k++) { + auto_correlation(sbr, &ac, Xlow, k, sbr->numTimeSlotsRate + 6); + + if (ac.det == 0) { + RE(alpha_0[k]) = 0; + RE(alpha_1[k]) = 0; + } else { + tmp = MUL_R(RE(ac.r01), RE(ac.r22)) - MUL_R(RE(ac.r12), RE(ac.r02)); + RE(alpha_0[k]) = DIV_R(tmp, (-ac.det)); + + tmp = MUL_R(RE(ac.r01), RE(ac.r12)) - MUL_R(RE(ac.r02), RE(ac.r11)); + RE(alpha_1[k]) = DIV_R(tmp, ac.det); + } + + if ((RE(alpha_0[k]) >= REAL_CONST(4)) || (RE(alpha_1[k]) >= REAL_CONST(4))) { + RE(alpha_0[k]) = REAL_CONST(0); + RE(alpha_1[k]) = REAL_CONST(0); + } + + /* reflection coefficient */ + if (RE(ac.r11) == 0) { + rxx[k] = COEF_CONST(0.0); + } else { + rxx[k] = DIV_C(RE(ac.r01), RE(ac.r11)); + rxx[k] = -rxx[k]; + if (rxx[k] > COEF_CONST(1.0)) { + rxx[k] = COEF_CONST(1.0); + } + if (rxx[k] < COEF_CONST(-1.0)) { + rxx[k] = COEF_CONST(-1.0); + } + } + } +} + +static void calc_aliasing_degree(sbr_info *sbr, real_t *rxx, real_t *deg) +{ + uint8_t k; + + rxx[0] = COEF_CONST(0.0); + deg[1] = COEF_CONST(0.0); + + for (k = 2; k < sbr->k0; k++) { + deg[k] = 0.0; + + if ((k % 2 == 0) && (rxx[k] < COEF_CONST(0.0))) { + if (rxx[k - 1] < 0.0) { + deg[k] = COEF_CONST(1.0); + + if (rxx[k - 2] > COEF_CONST(0.0)) { + deg[k - 1] = COEF_CONST(1.0) - MUL_C(rxx[k - 1], rxx[k - 1]); + } + } else if (rxx[k - 2] > COEF_CONST(0.0)) { + deg[k] = COEF_CONST(1.0) - MUL_C(rxx[k - 1], rxx[k - 1]); + } + } + + if ((k % 2 == 1) && (rxx[k] > COEF_CONST(0.0))) { + if (rxx[k - 1] > COEF_CONST(0.0)) { + deg[k] = COEF_CONST(1.0); + + if (rxx[k - 2] < COEF_CONST(0.0)) { + deg[k - 1] = COEF_CONST(1.0) - MUL_C(rxx[k - 1], rxx[k - 1]); + } + } else if (rxx[k - 2] < COEF_CONST(0.0)) { + deg[k] = COEF_CONST(1.0) - MUL_C(rxx[k - 1], rxx[k - 1]); + } + } + } +} +#endif + +/* FIXED POINT: bwArray = COEF */ +static real_t mapNewBw(uint8_t invf_mode, uint8_t invf_mode_prev) +{ + switch (invf_mode) { + case 1: /* LOW */ + if (invf_mode_prev == 0) { /* NONE */ + return COEF_CONST(0.6); + } else { + return COEF_CONST(0.75); + } + + case 2: /* MID */ + return COEF_CONST(0.9); + + case 3: /* HIGH */ + return COEF_CONST(0.98); + + default: /* NONE */ + if (invf_mode_prev == 1) { /* LOW */ + return COEF_CONST(0.6); + } else { + return COEF_CONST(0.0); + } + } +} + +/* FIXED POINT: bwArray = COEF */ +static void calc_chirp_factors(sbr_info *sbr, uint8_t ch) +{ + uint8_t i; + + for (i = 0; i < sbr->N_Q; i++) { + sbr->bwArray[ch][i] = mapNewBw(sbr->bs_invf_mode[ch][i], sbr->bs_invf_mode_prev[ch][i]); + + if (sbr->bwArray[ch][i] < sbr->bwArray_prev[ch][i]) { + sbr->bwArray[ch][i] = MUL_F(sbr->bwArray[ch][i], FRAC_CONST(0.75)) + MUL_F(sbr->bwArray_prev[ch][i], FRAC_CONST(0.25)); + } else { + sbr->bwArray[ch][i] = MUL_F(sbr->bwArray[ch][i], FRAC_CONST(0.90625)) + MUL_F(sbr->bwArray_prev[ch][i], FRAC_CONST(0.09375)); + } + + if (sbr->bwArray[ch][i] < COEF_CONST(0.015625)) { + sbr->bwArray[ch][i] = COEF_CONST(0.0); + } + + if (sbr->bwArray[ch][i] >= COEF_CONST(0.99609375)) { + sbr->bwArray[ch][i] = COEF_CONST(0.99609375); + } + + sbr->bwArray_prev[ch][i] = sbr->bwArray[ch][i]; + sbr->bs_invf_mode_prev[ch][i] = sbr->bs_invf_mode[ch][i]; + } +} + +static void patch_construction(sbr_info *sbr) +{ + uint8_t i, k; + uint8_t odd, sb; + uint8_t msb = sbr->k0; + uint8_t usb = sbr->kx; + uint8_t goalSbTab[] = { 21, 23, 32, 43, 46, 64, 85, 93, 128, 0, 0, 0 }; + /* (uint8_t)(2.048e6/sbr->sample_rate + 0.5); */ + uint8_t goalSb = goalSbTab[get_sr_index(sbr->sample_rate)]; + + sbr->noPatches = 0; + + if (goalSb < (sbr->kx + sbr->M)) { + for (i = 0, k = 0; sbr->f_master[i] < goalSb; i++) { + k = i + 1; + } + } else { + k = sbr->N_master; + } + + if (sbr->N_master == 0) { + sbr->noPatches = 0; + sbr->patchNoSubbands[0] = 0; + sbr->patchStartSubband[0] = 0; + + return; + } + + do { + uint8_t j = k + 1; + + do { + j--; + + sb = sbr->f_master[j]; + odd = (sb - 2 + sbr->k0) % 2; + } while (sb > (sbr->k0 - 1 + msb - odd)); + + sbr->patchNoSubbands[sbr->noPatches] = max(sb - usb, 0); + sbr->patchStartSubband[sbr->noPatches] = sbr->k0 - odd - + sbr->patchNoSubbands[sbr->noPatches]; + + if (sbr->patchNoSubbands[sbr->noPatches] > 0) { + usb = sb; + msb = sb; + sbr->noPatches++; + } else { + msb = sbr->kx; + } + + if (sbr->f_master[k] - sb < 3) { + k = sbr->N_master; + } + } while (sb != (sbr->kx + sbr->M)); + + if ((sbr->patchNoSubbands[sbr->noPatches - 1] < 3) && (sbr->noPatches > 1)) { + sbr->noPatches--; + } + + sbr->noPatches = min(sbr->noPatches, 5); +} + +#endif diff --git a/audio_codec/libfaad/sbr_hfgen.h b/audio_codec/libfaad/sbr_hfgen.h new file mode 100644 index 0000000..a8f1c82 --- a/dev/null +++ b/audio_codec/libfaad/sbr_hfgen.h @@ -0,0 +1,49 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_hfgen.h,v 1.20 2007/11/01 12:33:35 menno Exp $ +**/ + +#ifndef __SBR_HFGEN_H__ +#define __SBR_HFGEN_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + void hf_generation(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][64], + qmf_t Xhigh[MAX_NTSRHFG][64] +#ifdef SBR_LOW_POWER + , real_t *deg +#endif + , uint8_t ch); + +#ifdef __cplusplus +} +#endif +#endif + diff --git a/audio_codec/libfaad/sbr_huff.c b/audio_codec/libfaad/sbr_huff.c new file mode 100644 index 0000000..c7cce59 --- a/dev/null +++ b/audio_codec/libfaad/sbr_huff.c @@ -0,0 +1,344 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_huff.c,v 1.21 2007/11/01 12:33:35 menno Exp $ +**/ + +#include "common.h" +#include "structs.h" + +#ifdef SBR_DEC + +#include "sbr_syntax.h" +#include "bits.h" +#include "sbr_huff.h" +#include "sbr_e_nf.h" + + +typedef const int8_t (*sbr_huff_tab)[2]; + +static const int8_t t_huffman_env_1_5dB[120][2] = { + { 1, 2 }, { -64, -65 }, { 3, 4 }, { -63, -66 }, + { 5, 6 }, { -62, -67 }, { 7, 8 }, { -61, -68 }, + { 9, 10 }, { -60, -69 }, { 11, 12 }, { -59, -70 }, + { 13, 14 }, { -58, -71 }, { 15, 16 }, { -57, -72 }, + { 17, 18 }, { -73, -56 }, { 19, 21 }, { -74, 20 }, + { -55, -75 }, { 22, 26 }, { 23, 24 }, { -54, -76 }, + { -77, 25 }, { -53, -78 }, { 27, 34 }, { 28, 29 }, + { -52, -79 }, { 30, 31 }, { -80, -51 }, { 32, 33 }, + { -83, -82 }, { -81, -50 }, { 35, 57 }, { 36, 40 }, + { 37, 38 }, { -88, -84 }, { -48, 39 }, { -90, -85 }, + { 41, 46 }, { 42, 43 }, { -49, -87 }, { 44, 45 }, + { -89, -86 }, { -124, -123 }, { 47, 50 }, { 48, 49 }, + { -122, -121 }, { -120, -119 }, { 51, 54 }, { 52, 53 }, + { -118, -117 }, { -116, -115 }, { 55, 56 }, { -114, -113 }, + { -112, -111 }, { 58, 89 }, { 59, 74 }, { 60, 67 }, + { 61, 64 }, { 62, 63 }, { -110, -109 }, { -108, -107 }, + { 65, 66 }, { -106, -105 }, { -104, -103 }, { 68, 71 }, + { 69, 70 }, { -102, -101 }, { -100, -99 }, { 72, 73 }, + { -98, -97 }, { -96, -95 }, { 75, 82 }, { 76, 79 }, + { 77, 78 }, { -94, -93 }, { -92, -91 }, { 80, 81 }, + { -47, -46 }, { -45, -44 }, { 83, 86 }, { 84, 85 }, + { -43, -42 }, { -41, -40 }, { 87, 88 }, { -39, -38 }, + { -37, -36 }, { 90, 105 }, { 91, 98 }, { 92, 95 }, + { 93, 94 }, { -35, -34 }, { -33, -32 }, { 96, 97 }, + { -31, -30 }, { -29, -28 }, { 99, 102 }, { 100, 101 }, + { -27, -26 }, { -25, -24 }, { 103, 104 }, { -23, -22 }, + { -21, -20 }, { 106, 113 }, { 107, 110 }, { 108, 109 }, + { -19, -18 }, { -17, -16 }, { 111, 112 }, { -15, -14 }, + { -13, -12 }, { 114, 117 }, { 115, 116 }, { -11, -10 }, + { -9, -8 }, { 118, 119 }, { -7, -6 }, { -5, -4 } +}; + +static const int8_t f_huffman_env_1_5dB[120][2] = { + { 1, 2 }, { -64, -65 }, { 3, 4 }, { -63, -66 }, + { 5, 6 }, { -67, -62 }, { 7, 8 }, { -68, -61 }, + { 9, 10 }, { -69, -60 }, { 11, 13 }, { -70, 12 }, + { -59, -71 }, { 14, 16 }, { -58, 15 }, { -72, -57 }, + { 17, 19 }, { -73, 18 }, { -56, -74 }, { 20, 23 }, + { 21, 22 }, { -55, -75 }, { -54, -53 }, { 24, 27 }, + { 25, 26 }, { -76, -52 }, { -77, -51 }, { 28, 31 }, + { 29, 30 }, { -50, -78 }, { -79, -49 }, { 32, 36 }, + { 33, 34 }, { -48, -47 }, { -80, 35 }, { -81, -82 }, + { 37, 47 }, { 38, 41 }, { 39, 40 }, { -83, -46 }, + { -45, -84 }, { 42, 44 }, { -85, 43 }, { -44, -43 }, + { 45, 46 }, { -88, -87 }, { -86, -90 }, { 48, 66 }, + { 49, 56 }, { 50, 53 }, { 51, 52 }, { -92, -42 }, + { -41, -39 }, { 54, 55 }, { -105, -89 }, { -38, -37 }, + { 57, 60 }, { 58, 59 }, { -94, -91 }, { -40, -36 }, + { 61, 63 }, { -20, 62 }, { -115, -110 }, { 64, 65 }, + { -108, -107 }, { -101, -97 }, { 67, 89 }, { 68, 75 }, + { 69, 72 }, { 70, 71 }, { -95, -93 }, { -34, -27 }, + { 73, 74 }, { -22, -17 }, { -16, -124 }, { 76, 82 }, + { 77, 79 }, { -123, 78 }, { -122, -121 }, { 80, 81 }, + { -120, -119 }, { -118, -117 }, { 83, 86 }, { 84, 85 }, + { -116, -114 }, { -113, -112 }, { 87, 88 }, { -111, -109 }, + { -106, -104 }, { 90, 105 }, { 91, 98 }, { 92, 95 }, + { 93, 94 }, { -103, -102 }, { -100, -99 }, { 96, 97 }, + { -98, -96 }, { -35, -33 }, { 99, 102 }, { 100, 101 }, + { -32, -31 }, { -30, -29 }, { 103, 104 }, { -28, -26 }, + { -25, -24 }, { 106, 113 }, { 107, 110 }, { 108, 109 }, + { -23, -21 }, { -19, -18 }, { 111, 112 }, { -15, -14 }, + { -13, -12 }, { 114, 117 }, { 115, 116 }, { -11, -10 }, + { -9, -8 }, { 118, 119 }, { -7, -6 }, { -5, -4 } +}; + +static const int8_t t_huffman_env_bal_1_5dB[48][2] = { + { -64, 1 }, { -63, 2 }, { -65, 3 }, { -62, 4 }, + { -66, 5 }, { -61, 6 }, { -67, 7 }, { -60, 8 }, + { -68, 9 }, { 10, 11 }, { -69, -59 }, { 12, 13 }, + { -70, -58 }, { 14, 28 }, { 15, 21 }, { 16, 18 }, + { -57, 17 }, { -71, -56 }, { 19, 20 }, { -88, -87 }, + { -86, -85 }, { 22, 25 }, { 23, 24 }, { -84, -83 }, + { -82, -81 }, { 26, 27 }, { -80, -79 }, { -78, -77 }, + { 29, 36 }, { 30, 33 }, { 31, 32 }, { -76, -75 }, + { -74, -73 }, { 34, 35 }, { -72, -55 }, { -54, -53 }, + { 37, 41 }, { 38, 39 }, { -52, -51 }, { -50, 40 }, + { -49, -48 }, { 42, 45 }, { 43, 44 }, { -47, -46 }, + { -45, -44 }, { 46, 47 }, { -43, -42 }, { -41, -40 } +}; + +static const int8_t f_huffman_env_bal_1_5dB[48][2] = { + { -64, 1 }, { -65, 2 }, { -63, 3 }, { -66, 4 }, + { -62, 5 }, { -61, 6 }, { -67, 7 }, { -68, 8 }, + { -60, 9 }, { 10, 11 }, { -69, -59 }, { -70, 12 }, + { -58, 13 }, { 14, 17 }, { -71, 15 }, { -57, 16 }, + { -56, -73 }, { 18, 32 }, { 19, 25 }, { 20, 22 }, + { -72, 21 }, { -88, -87 }, { 23, 24 }, { -86, -85 }, + { -84, -83 }, { 26, 29 }, { 27, 28 }, { -82, -81 }, + { -80, -79 }, { 30, 31 }, { -78, -77 }, { -76, -75 }, + { 33, 40 }, { 34, 37 }, { 35, 36 }, { -74, -55 }, + { -54, -53 }, { 38, 39 }, { -52, -51 }, { -50, -49 }, + { 41, 44 }, { 42, 43 }, { -48, -47 }, { -46, -45 }, + { 45, 46 }, { -44, -43 }, { -42, 47 }, { -41, -40 } +}; + +static const int8_t t_huffman_env_3_0dB[62][2] = { + { -64, 1 }, { -65, 2 }, { -63, 3 }, { -66, 4 }, + { -62, 5 }, { -67, 6 }, { -61, 7 }, { -68, 8 }, + { -60, 9 }, { 10, 11 }, { -69, -59 }, { 12, 14 }, + { -70, 13 }, { -71, -58 }, { 15, 18 }, { 16, 17 }, + { -72, -57 }, { -73, -74 }, { 19, 22 }, { -56, 20 }, + { -55, 21 }, { -54, -77 }, { 23, 31 }, { 24, 25 }, + { -75, -76 }, { 26, 27 }, { -78, -53 }, { 28, 29 }, + { -52, -95 }, { -94, 30 }, { -93, -92 }, { 32, 47 }, + { 33, 40 }, { 34, 37 }, { 35, 36 }, { -91, -90 }, + { -89, -88 }, { 38, 39 }, { -87, -86 }, { -85, -84 }, + { 41, 44 }, { 42, 43 }, { -83, -82 }, { -81, -80 }, + { 45, 46 }, { -79, -51 }, { -50, -49 }, { 48, 55 }, + { 49, 52 }, { 50, 51 }, { -48, -47 }, { -46, -45 }, + { 53, 54 }, { -44, -43 }, { -42, -41 }, { 56, 59 }, + { 57, 58 }, { -40, -39 }, { -38, -37 }, { 60, 61 }, + { -36, -35 }, { -34, -33 } +}; + +static const int8_t f_huffman_env_3_0dB[62][2] = { + { -64, 1 }, { -65, 2 }, { -63, 3 }, { -66, 4 }, + { -62, 5 }, { -67, 6 }, { 7, 8 }, { -61, -68 }, + { 9, 10 }, { -60, -69 }, { 11, 12 }, { -59, -70 }, + { 13, 14 }, { -58, -71 }, { 15, 16 }, { -57, -72 }, + { 17, 19 }, { -56, 18 }, { -55, -73 }, { 20, 24 }, + { 21, 22 }, { -74, -54 }, { -53, 23 }, { -75, -76 }, + { 25, 30 }, { 26, 27 }, { -52, -51 }, { 28, 29 }, + { -77, -79 }, { -50, -49 }, { 31, 39 }, { 32, 35 }, + { 33, 34 }, { -78, -46 }, { -82, -88 }, { 36, 37 }, + { -83, -48 }, { -47, 38 }, { -86, -85 }, { 40, 47 }, + { 41, 44 }, { 42, 43 }, { -80, -44 }, { -43, -42 }, + { 45, 46 }, { -39, -87 }, { -84, -40 }, { 48, 55 }, + { 49, 52 }, { 50, 51 }, { -95, -94 }, { -93, -92 }, + { 53, 54 }, { -91, -90 }, { -89, -81 }, { 56, 59 }, + { 57, 58 }, { -45, -41 }, { -38, -37 }, { 60, 61 }, + { -36, -35 }, { -34, -33 } +}; + +static const int8_t t_huffman_env_bal_3_0dB[24][2] = { + { -64, 1 }, { -63, 2 }, { -65, 3 }, { -66, 4 }, + { -62, 5 }, { -61, 6 }, { -67, 7 }, { -68, 8 }, + { -60, 9 }, { 10, 16 }, { 11, 13 }, { -69, 12 }, + { -76, -75 }, { 14, 15 }, { -74, -73 }, { -72, -71 }, + { 17, 20 }, { 18, 19 }, { -70, -59 }, { -58, -57 }, + { 21, 22 }, { -56, -55 }, { -54, 23 }, { -53, -52 } +}; + +static const int8_t f_huffman_env_bal_3_0dB[24][2] = { + { -64, 1 }, { -65, 2 }, { -63, 3 }, { -66, 4 }, + { -62, 5 }, { -61, 6 }, { -67, 7 }, { -68, 8 }, + { -60, 9 }, { 10, 13 }, { -69, 11 }, { -59, 12 }, + { -58, -76 }, { 14, 17 }, { 15, 16 }, { -75, -74 }, + { -73, -72 }, { 18, 21 }, { 19, 20 }, { -71, -70 }, + { -57, -56 }, { 22, 23 }, { -55, -54 }, { -53, -52 } +}; + +static const int8_t t_huffman_noise_3_0dB[62][2] = { + { -64, 1 }, { -63, 2 }, { -65, 3 }, { -66, 4 }, + { -62, 5 }, { -67, 6 }, { 7, 8 }, { -61, -68 }, + { 9, 30 }, { 10, 15 }, { -60, 11 }, { -69, 12 }, + { 13, 14 }, { -59, -53 }, { -95, -94 }, { 16, 23 }, + { 17, 20 }, { 18, 19 }, { -93, -92 }, { -91, -90 }, + { 21, 22 }, { -89, -88 }, { -87, -86 }, { 24, 27 }, + { 25, 26 }, { -85, -84 }, { -83, -82 }, { 28, 29 }, + { -81, -80 }, { -79, -78 }, { 31, 46 }, { 32, 39 }, + { 33, 36 }, { 34, 35 }, { -77, -76 }, { -75, -74 }, + { 37, 38 }, { -73, -72 }, { -71, -70 }, { 40, 43 }, + { 41, 42 }, { -58, -57 }, { -56, -55 }, { 44, 45 }, + { -54, -52 }, { -51, -50 }, { 47, 54 }, { 48, 51 }, + { 49, 50 }, { -49, -48 }, { -47, -46 }, { 52, 53 }, + { -45, -44 }, { -43, -42 }, { 55, 58 }, { 56, 57 }, + { -41, -40 }, { -39, -38 }, { 59, 60 }, { -37, -36 }, + { -35, 61 }, { -34, -33 } +}; + +static const int8_t t_huffman_noise_bal_3_0dB[24][2] = { + { -64, 1 }, { -65, 2 }, { -63, 3 }, { 4, 9 }, + { -66, 5 }, { -62, 6 }, { 7, 8 }, { -76, -75 }, + { -74, -73 }, { 10, 17 }, { 11, 14 }, { 12, 13 }, + { -72, -71 }, { -70, -69 }, { 15, 16 }, { -68, -67 }, + { -61, -60 }, { 18, 21 }, { 19, 20 }, { -59, -58 }, + { -57, -56 }, { 22, 23 }, { -55, -54 }, { -53, -52 } +}; + + +static INLINE int16_t sbr_huff_dec(bitfile *ld, sbr_huff_tab t_huff) +{ + uint8_t bit; + int16_t index = 0; + + while (index >= 0) { + bit = (uint8_t)faad_get1bit(ld); + index = t_huff[index][bit]; + } + + return index + 64; +} + +/* table 10 */ +void sbr_envelope(bitfile *ld, sbr_info *sbr, uint8_t ch) +{ + uint8_t env, band; + int8_t delta = 0; + sbr_huff_tab t_huff, f_huff; + + if ((sbr->L_E[ch] == 1) && (sbr->bs_frame_class[ch] == FIXFIX)) { + sbr->amp_res[ch] = 0; + } else { + sbr->amp_res[ch] = sbr->bs_amp_res; + } + + if ((sbr->bs_coupling) && (ch == 1)) { + delta = 1; + if (sbr->amp_res[ch]) { + t_huff = t_huffman_env_bal_3_0dB; + f_huff = f_huffman_env_bal_3_0dB; + } else { + t_huff = t_huffman_env_bal_1_5dB; + f_huff = f_huffman_env_bal_1_5dB; + } + } else { + delta = 0; + if (sbr->amp_res[ch]) { + t_huff = t_huffman_env_3_0dB; + f_huff = f_huffman_env_3_0dB; + } else { + t_huff = t_huffman_env_1_5dB; + f_huff = f_huffman_env_1_5dB; + } + } + + for (env = 0; env < sbr->L_E[ch]; env++) { + if (sbr->bs_df_env[ch][env] == 0) { + if ((sbr->bs_coupling == 1) && (ch == 1)) { + if (sbr->amp_res[ch]) { + sbr->E[ch][0][env] = (uint16_t)(faad_getbits(ld, 5 + DEBUGVAR(1, 272, "sbr_envelope(): bs_data_env")) << delta); + } else { + sbr->E[ch][0][env] = (uint16_t)(faad_getbits(ld, 6 + DEBUGVAR(1, 273, "sbr_envelope(): bs_data_env")) << delta); + } + } else { + if (sbr->amp_res[ch]) { + sbr->E[ch][0][env] = (uint16_t)(faad_getbits(ld, 6 + DEBUGVAR(1, 274, "sbr_envelope(): bs_data_env")) << delta); + } else { + sbr->E[ch][0][env] = (uint16_t)(faad_getbits(ld, 7 + DEBUGVAR(1, 275, "sbr_envelope(): bs_data_env")) << delta); + } + } + + for (band = 1; band < sbr->n[sbr->f[ch][env]]; band++) { + sbr->E[ch][band][env] = (sbr_huff_dec(ld, f_huff) << delta); + } + + } else { + for (band = 0; band < sbr->n[sbr->f[ch][env]]; band++) { + sbr->E[ch][band][env] = (sbr_huff_dec(ld, t_huff) << delta); + } + } + } + + extract_envelope_data(sbr, ch); +} + +/* table 11 */ +void sbr_noise(bitfile *ld, sbr_info *sbr, uint8_t ch) +{ + uint8_t noise, band; + int8_t delta = 0; + sbr_huff_tab t_huff, f_huff; + + if ((sbr->bs_coupling == 1) && (ch == 1)) { + delta = 1; + t_huff = t_huffman_noise_bal_3_0dB; + f_huff = f_huffman_env_bal_3_0dB; + } else { + delta = 0; + t_huff = t_huffman_noise_3_0dB; + f_huff = f_huffman_env_3_0dB; + } + + for (noise = 0; noise < sbr->L_Q[ch]; noise++) { + if (sbr->bs_df_noise[ch][noise] == 0) { + if ((sbr->bs_coupling == 1) && (ch == 1)) { + sbr->Q[ch][0][noise] = (faad_getbits(ld, 5 + DEBUGVAR(1, 276, "sbr_noise(): bs_data_noise")) << delta); + } else { + sbr->Q[ch][0][noise] = (faad_getbits(ld, 5 + DEBUGVAR(1, 277, "sbr_noise(): bs_data_noise")) << delta); + } + for (band = 1; band < sbr->N_Q; band++) { + sbr->Q[ch][band][noise] = (sbr_huff_dec(ld, f_huff) << delta); + } + } else { + for (band = 0; band < sbr->N_Q; band++) { + sbr->Q[ch][band][noise] = (sbr_huff_dec(ld, t_huff) << delta); + } + } + } + + extract_noise_floor_data(sbr, ch); +} + +#endif diff --git a/audio_codec/libfaad/sbr_huff.h b/audio_codec/libfaad/sbr_huff.h new file mode 100644 index 0000000..24d9ab8 --- a/dev/null +++ b/audio_codec/libfaad/sbr_huff.h @@ -0,0 +1,46 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_huff.h,v 1.21 2007/11/01 12:33:35 menno Exp $ +**/ + +#ifndef __SBR_HUFF_H__ +#define __SBR_HUFF_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + + void sbr_envelope(bitfile *ld, sbr_info *sbr, uint8_t ch); + void sbr_noise(bitfile *ld, sbr_info *sbr, uint8_t ch); + +#ifdef __cplusplus +} +#endif +#endif + diff --git a/audio_codec/libfaad/sbr_noise.h b/audio_codec/libfaad/sbr_noise.h new file mode 100644 index 0000000..256f568 --- a/dev/null +++ b/audio_codec/libfaad/sbr_noise.h @@ -0,0 +1,564 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_noise.h,v 1.17 2007/11/01 12:33:35 menno Exp $ +**/ + +#ifndef __SBR_NOISE_H__ +#define __SBR_NOISE_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef _MSC_VER +#pragma warning(disable:4305) +#pragma warning(disable:4244) +#endif + + + /* Table 1.A.13 Noise table V */ + ALIGN static const complex_t V[] = { + { FRAC_CONST(-0.99948155879974), FRAC_CONST(-0.59483414888382) }, + { FRAC_CONST(0.97113454341888), FRAC_CONST(-0.67528516054153) }, + { FRAC_CONST(0.14130051434040), FRAC_CONST(-0.95090985298157) }, + { FRAC_CONST(-0.47005495429039), FRAC_CONST(-0.37340548634529) }, + { FRAC_CONST(0.80705064535141), FRAC_CONST(0.29653668403625) }, + { FRAC_CONST(-0.38981479406357), FRAC_CONST(0.89572608470917) }, + { FRAC_CONST(-0.01053049881011), FRAC_CONST(-0.66959059238434) }, + { FRAC_CONST(-0.91266369819641), FRAC_CONST(-0.11522938311100) }, + { FRAC_CONST(0.54840421676636), FRAC_CONST(0.75221365690231) }, + { FRAC_CONST(0.40009254217148), FRAC_CONST(-0.98929399251938) }, + { FRAC_CONST(-0.99867975711823), FRAC_CONST(-0.88147068023682) }, + { FRAC_CONST(-0.95531076192856), FRAC_CONST(0.90908759832382) }, + { FRAC_CONST(-0.45725932717323), FRAC_CONST(-0.56716322898865) }, + { FRAC_CONST(-0.72929674386978), FRAC_CONST(-0.98008275032043) }, + { FRAC_CONST(0.75622802972794), FRAC_CONST(0.20950329303741) }, + { FRAC_CONST(0.07069442421198), FRAC_CONST(-0.78247898817062) }, + { FRAC_CONST(0.74496251344681), FRAC_CONST(-0.91169005632401) }, + { FRAC_CONST(-0.96440184116364), FRAC_CONST(-0.94739919900894) }, + { FRAC_CONST(0.30424630641937), FRAC_CONST(-0.49438267946243) }, + { FRAC_CONST(0.66565030813217), FRAC_CONST(0.64652937650681) }, + { FRAC_CONST(0.91697007417679), FRAC_CONST(0.17514097690582) }, + { FRAC_CONST(-0.70774918794632), FRAC_CONST(0.52548652887344) }, + { FRAC_CONST(-0.70051413774490), FRAC_CONST(-0.45340028405190) }, + { FRAC_CONST(-0.99496513605118), FRAC_CONST(-0.90071910619736) }, + { FRAC_CONST(0.98164492845535), FRAC_CONST(-0.77463155984879) }, + { FRAC_CONST(-0.54671579599380), FRAC_CONST(-0.02570928446949) }, + { FRAC_CONST(-0.01689629070461), FRAC_CONST(0.00287506449968) }, + { FRAC_CONST(-0.86110347509384), FRAC_CONST(0.42548584938049) }, + { FRAC_CONST(-0.98892980813980), FRAC_CONST(-0.87881129980087) }, + { FRAC_CONST(0.51756626367569), FRAC_CONST(0.66926783323288) }, + { FRAC_CONST(-0.99635028839111), FRAC_CONST(-0.58107727766037) }, + { FRAC_CONST(-0.99969369173050), FRAC_CONST(0.98369991779327) }, + { FRAC_CONST(0.55266261100769), FRAC_CONST(0.59449058771133) }, + { FRAC_CONST(0.34581178426743), FRAC_CONST(0.94879418611526) }, + { FRAC_CONST(0.62664210796356), FRAC_CONST(-0.74402970075607) }, + { FRAC_CONST(-0.77149701118469), FRAC_CONST(-0.33883658051491) }, + { FRAC_CONST(-0.91592246294022), FRAC_CONST(0.03687901422381) }, + { FRAC_CONST(-0.76285493373871), FRAC_CONST(-0.91371870040894) }, + { FRAC_CONST(0.79788339138031), FRAC_CONST(-0.93180972337723) }, + { FRAC_CONST(0.54473078250885), FRAC_CONST(-0.11919206380844) }, + { FRAC_CONST(-0.85639280080795), FRAC_CONST(0.42429855465889) }, + { FRAC_CONST(-0.92882400751114), FRAC_CONST(0.27871808409691) }, + { FRAC_CONST(-0.11708371341228), FRAC_CONST(-0.99800843000412) }, + { FRAC_CONST(0.21356749534607), FRAC_CONST(-0.90716296434402) }, + { FRAC_CONST(-0.76191693544388), FRAC_CONST(0.99768120050430) }, + { FRAC_CONST(0.98111045360565), FRAC_CONST(-0.95854461193085) }, + { FRAC_CONST(-0.85913270711899), FRAC_CONST(0.95766568183899) }, + { FRAC_CONST(-0.93307244777679), FRAC_CONST(0.49431759119034) }, + { FRAC_CONST(0.30485755205154), FRAC_CONST(-0.70540034770966) }, + { FRAC_CONST(0.85289651155472), FRAC_CONST(0.46766132116318) }, + { FRAC_CONST(0.91328084468842), FRAC_CONST(-0.99839597940445) }, + { FRAC_CONST(-0.05890199914575), FRAC_CONST(0.70741826295853) }, + { FRAC_CONST(0.28398686647415), FRAC_CONST(0.34633556008339) }, + { FRAC_CONST(0.95258164405823), FRAC_CONST(-0.54893416166306) }, + { FRAC_CONST(-0.78566324710846), FRAC_CONST(-0.75568538904190) }, + { FRAC_CONST(-0.95789498090744), FRAC_CONST(-0.20423194766045) }, + { FRAC_CONST(0.82411158084869), FRAC_CONST(0.96654617786407) }, + { FRAC_CONST(-0.65185445547104), FRAC_CONST(-0.88734990358353) }, + { FRAC_CONST(-0.93643605709076), FRAC_CONST(0.99870789051056) }, + { FRAC_CONST(0.91427159309387), FRAC_CONST(-0.98290503025055) }, + { FRAC_CONST(-0.70395684242249), FRAC_CONST(0.58796799182892) }, + { FRAC_CONST(0.00563771976158), FRAC_CONST(0.61768198013306) }, + { FRAC_CONST(0.89065051078796), FRAC_CONST(0.52783352136612) }, + { FRAC_CONST(-0.68683707714081), FRAC_CONST(0.80806946754456) }, + { FRAC_CONST(0.72165340185165), FRAC_CONST(-0.69259858131409) }, + { FRAC_CONST(-0.62928247451782), FRAC_CONST(0.13627037405968) }, + { FRAC_CONST(0.29938435554504), FRAC_CONST(-0.46051329374313) }, + { FRAC_CONST(-0.91781955957413), FRAC_CONST(-0.74012714624405) }, + { FRAC_CONST(0.99298715591431), FRAC_CONST(0.40816611051559) }, + { FRAC_CONST(0.82368296384811), FRAC_CONST(-0.74036049842834) }, + { FRAC_CONST(-0.98512834310532), FRAC_CONST(-0.99972331523895) }, + { FRAC_CONST(-0.95915371179581), FRAC_CONST(-0.99237799644470) }, + { FRAC_CONST(-0.21411126852036), FRAC_CONST(-0.93424820899963) }, + { FRAC_CONST(-0.68821477890015), FRAC_CONST(-0.26892307400703) }, + { FRAC_CONST(0.91851997375488), FRAC_CONST(0.09358228743076) }, + { FRAC_CONST(-0.96062767505646), FRAC_CONST(0.36099094152451) }, + { FRAC_CONST(0.51646184921265), FRAC_CONST(-0.71373331546783) }, + { FRAC_CONST(0.61130720376968), FRAC_CONST(0.46950140595436) }, + { FRAC_CONST(0.47336128354073), FRAC_CONST(-0.27333179116249) }, + { FRAC_CONST(0.90998309850693), FRAC_CONST(0.96715664863586) }, + { FRAC_CONST(0.44844800233841), FRAC_CONST(0.99211573600769) }, + { FRAC_CONST(0.66614890098572), FRAC_CONST(0.96590173244476) }, + { FRAC_CONST(0.74922239780426), FRAC_CONST(-0.89879858493805) }, + { FRAC_CONST(-0.99571585655212), FRAC_CONST(0.52785521745682) }, + { FRAC_CONST(0.97401082515717), FRAC_CONST(-0.16855870187283) }, + { FRAC_CONST(0.72683745622635), FRAC_CONST(-0.48060774803162) }, + { FRAC_CONST(0.95432192087173), FRAC_CONST(0.68849605321884) }, + { FRAC_CONST(-0.72962206602097), FRAC_CONST(-0.76608443260193) }, + { FRAC_CONST(-0.85359477996826), FRAC_CONST(0.88738125562668) }, + { FRAC_CONST(-0.81412428617477), FRAC_CONST(-0.97480767965317) }, + { FRAC_CONST(-0.87930774688721), FRAC_CONST(0.74748307466507) }, + { FRAC_CONST(-0.71573328971863), FRAC_CONST(-0.98570609092712) }, + { FRAC_CONST(0.83524298667908), FRAC_CONST(0.83702534437180) }, + { FRAC_CONST(-0.48086065053940), FRAC_CONST(-0.98848503828049) }, + { FRAC_CONST(0.97139126062393), FRAC_CONST(0.80093622207642) }, + { FRAC_CONST(0.51992827653885), FRAC_CONST(0.80247628688812) }, + { FRAC_CONST(-0.00848591234535), FRAC_CONST(-0.76670128107071) }, + { FRAC_CONST(-0.70294374227524), FRAC_CONST(0.55359911918640) }, + { FRAC_CONST(-0.95894426107407), FRAC_CONST(-0.43265503644943) }, + { FRAC_CONST(0.97079253196716), FRAC_CONST(0.09325857460499) }, + { FRAC_CONST(-0.92404294013977), FRAC_CONST(0.85507702827454) }, + { FRAC_CONST(-0.69506472349167), FRAC_CONST(0.98633414506912) }, + { FRAC_CONST(0.26559203863144), FRAC_CONST(0.73314309120178) }, + { FRAC_CONST(0.28038442134857), FRAC_CONST(0.14537914097309) }, + { FRAC_CONST(-0.74138122797012), FRAC_CONST(0.99310338497162) }, + { FRAC_CONST(-0.01752796024084), FRAC_CONST(-0.82616633176804) }, + { FRAC_CONST(-0.55126774311066), FRAC_CONST(-0.98898541927338) }, + { FRAC_CONST(0.97960901260376), FRAC_CONST(-0.94021445512772) }, + { FRAC_CONST(-0.99196308851242), FRAC_CONST(0.67019015550613) }, + { FRAC_CONST(-0.67684930562973), FRAC_CONST(0.12631492316723) }, + { FRAC_CONST(0.09140039235353), FRAC_CONST(-0.20537731051445) }, + { FRAC_CONST(-0.71658962965012), FRAC_CONST(-0.97788202762604) }, + { FRAC_CONST(0.81014639139175), FRAC_CONST(0.53722649812698) }, + { FRAC_CONST(0.40616992115974), FRAC_CONST(-0.26469007134438) }, + { FRAC_CONST(-0.67680186033249), FRAC_CONST(0.94502049684525) }, + { FRAC_CONST(0.86849772930145), FRAC_CONST(-0.18333598971367) }, + { FRAC_CONST(-0.99500381946564), FRAC_CONST(-0.02634122036397) }, + { FRAC_CONST(0.84329187870026), FRAC_CONST(0.10406957566738) }, + { FRAC_CONST(-0.09215968847275), FRAC_CONST(0.69540011882782) }, + { FRAC_CONST(0.99956172704697), FRAC_CONST(-0.12358541786671) }, + { FRAC_CONST(-0.79732781648636), FRAC_CONST(-0.91582524776459) }, + { FRAC_CONST(0.96349972486496), FRAC_CONST(0.96640455722809) }, + { FRAC_CONST(-0.79942780733109), FRAC_CONST(0.64323902130127) }, + { FRAC_CONST(-0.11566039919853), FRAC_CONST(0.28587844967842) }, + { FRAC_CONST(-0.39922955632210), FRAC_CONST(0.94129604101181) }, + { FRAC_CONST(0.99089199304581), FRAC_CONST(-0.92062628269196) }, + { FRAC_CONST(0.28631284832954), FRAC_CONST(-0.91035044193268) }, + { FRAC_CONST(-0.83302724361420), FRAC_CONST(-0.67330408096313) }, + { FRAC_CONST(0.95404446125031), FRAC_CONST(0.49162766337395) }, + { FRAC_CONST(-0.06449863314629), FRAC_CONST(0.03250560909510) }, + { FRAC_CONST(-0.99575054645538), FRAC_CONST(0.42389783263206) }, + { FRAC_CONST(-0.65501141548157), FRAC_CONST(0.82546114921570) }, + { FRAC_CONST(-0.81254440546036), FRAC_CONST(-0.51627236604691) }, + { FRAC_CONST(-0.99646371603012), FRAC_CONST(0.84490531682968) }, + { FRAC_CONST(0.00287840608507), FRAC_CONST(0.64768260717392) }, + { FRAC_CONST(0.70176988840103), FRAC_CONST(-0.20453028380871) }, + { FRAC_CONST(0.96361881494522), FRAC_CONST(0.40706968307495) }, + { FRAC_CONST(-0.68883758783340), FRAC_CONST(0.91338956356049) }, + { FRAC_CONST(-0.34875586628914), FRAC_CONST(0.71472293138504) }, + { FRAC_CONST(0.91980081796646), FRAC_CONST(0.66507452726364) }, + { FRAC_CONST(-0.99009048938751), FRAC_CONST(0.85868018865585) }, + { FRAC_CONST(0.68865793943405), FRAC_CONST(0.55660319328308) }, + { FRAC_CONST(-0.99484401941299), FRAC_CONST(-0.20052559673786) }, + { FRAC_CONST(0.94214510917664), FRAC_CONST(-0.99696427583694) }, + { FRAC_CONST(-0.67414629459381), FRAC_CONST(0.49548220634460) }, + { FRAC_CONST(-0.47339352965355), FRAC_CONST(-0.85904330015182) }, + { FRAC_CONST(0.14323651790619), FRAC_CONST(-0.94145596027374) }, + { FRAC_CONST(-0.29268294572830), FRAC_CONST(0.05759225040674) }, + { FRAC_CONST(0.43793860077858), FRAC_CONST(-0.78904968500137) }, + { FRAC_CONST(-0.36345127224922), FRAC_CONST(0.64874434471130) }, + { FRAC_CONST(-0.08750604838133), FRAC_CONST(0.97686946392059) }, + { FRAC_CONST(-0.96495270729065), FRAC_CONST(-0.53960305452347) }, + { FRAC_CONST(0.55526942014694), FRAC_CONST(0.78891521692276) }, + { FRAC_CONST(0.73538213968277), FRAC_CONST(0.96452075242996) }, + { FRAC_CONST(-0.30889773368835), FRAC_CONST(-0.80664390325546) }, + { FRAC_CONST(0.03574995696545), FRAC_CONST(-0.97325617074966) }, + { FRAC_CONST(0.98720687627792), FRAC_CONST(0.48409134149551) }, + { FRAC_CONST(-0.81689298152924), FRAC_CONST(-0.90827703475952) }, + { FRAC_CONST(0.67866861820221), FRAC_CONST(0.81284505128860) }, + { FRAC_CONST(-0.15808570384979), FRAC_CONST(0.85279554128647) }, + { FRAC_CONST(0.80723392963409), FRAC_CONST(-0.24717418849468) }, + { FRAC_CONST(0.47788757085800), FRAC_CONST(-0.46333149075508) }, + { FRAC_CONST(0.96367555856705), FRAC_CONST(0.38486748933792) }, + { FRAC_CONST(-0.99143874645233), FRAC_CONST(-0.24945276975632) }, + { FRAC_CONST(0.83081877231598), FRAC_CONST(-0.94780850410461) }, + { FRAC_CONST(-0.58753192424774), FRAC_CONST(0.01290772389621) }, + { FRAC_CONST(0.95538109540939), FRAC_CONST(-0.85557049512863) }, + { FRAC_CONST(-0.96490919589996), FRAC_CONST(-0.64020973443985) }, + { FRAC_CONST(-0.97327101230621), FRAC_CONST(0.12378127872944) }, + { FRAC_CONST(0.91400367021561), FRAC_CONST(0.57972472906113) }, + { FRAC_CONST(-0.99925839900970), FRAC_CONST(0.71084845066071) }, + { FRAC_CONST(-0.86875903606415), FRAC_CONST(-0.20291699469090) }, + { FRAC_CONST(-0.26240035891533), FRAC_CONST(-0.68264555931091) }, + { FRAC_CONST(-0.24664412438869), FRAC_CONST(-0.87642270326614) }, + { FRAC_CONST(0.02416275814176), FRAC_CONST(0.27192914485931) }, + { FRAC_CONST(0.82068622112274), FRAC_CONST(-0.85087788105011) }, + { FRAC_CONST(0.88547372817993), FRAC_CONST(-0.89636802673340) }, + { FRAC_CONST(-0.18173077702522), FRAC_CONST(-0.26152145862579) }, + { FRAC_CONST(0.09355476498604), FRAC_CONST(0.54845124483109) }, + { FRAC_CONST(-0.54668414592743), FRAC_CONST(0.95980775356293) }, + { FRAC_CONST(0.37050989270210), FRAC_CONST(-0.59910142421722) }, + { FRAC_CONST(-0.70373594760895), FRAC_CONST(0.91227668523788) }, + { FRAC_CONST(-0.34600785374641), FRAC_CONST(-0.99441426992416) }, + { FRAC_CONST(-0.68774479627609), FRAC_CONST(-0.30238837003708) }, + { FRAC_CONST(-0.26843291521072), FRAC_CONST(0.83115667104721) }, + { FRAC_CONST(0.49072334170341), FRAC_CONST(-0.45359709858894) }, + { FRAC_CONST(0.38975992798805), FRAC_CONST(0.95515358448029) }, + { FRAC_CONST(-0.97757124900818), FRAC_CONST(0.05305894464254) }, + { FRAC_CONST(-0.17325553297997), FRAC_CONST(-0.92770671844482) }, + { FRAC_CONST(0.99948036670685), FRAC_CONST(0.58285546302795) }, + { FRAC_CONST(-0.64946246147156), FRAC_CONST(0.68645507097244) }, + { FRAC_CONST(-0.12016920745373), FRAC_CONST(-0.57147324085236) }, + { FRAC_CONST(-0.58947455883026), FRAC_CONST(-0.34847131371498) }, + { FRAC_CONST(-0.41815140843391), FRAC_CONST(0.16276422142982) }, + { FRAC_CONST(0.99885648488998), FRAC_CONST(0.11136095225811) }, + { FRAC_CONST(-0.56649613380432), FRAC_CONST(-0.90494865179062) }, + { FRAC_CONST(0.94138020277023), FRAC_CONST(0.35281917452812) }, + { FRAC_CONST(-0.75725078582764), FRAC_CONST(0.53650552034378) }, + { FRAC_CONST(0.20541973412037), FRAC_CONST(-0.94435143470764) }, + { FRAC_CONST(0.99980372190475), FRAC_CONST(0.79835915565491) }, + { FRAC_CONST(0.29078277945518), FRAC_CONST(0.35393777489662) }, + { FRAC_CONST(-0.62858772277832), FRAC_CONST(0.38765692710876) }, + { FRAC_CONST(0.43440905213356), FRAC_CONST(-0.98546332120895) }, + { FRAC_CONST(-0.98298585414886), FRAC_CONST(0.21021524071693) }, + { FRAC_CONST(0.19513028860092), FRAC_CONST(-0.94239830970764) }, + { FRAC_CONST(-0.95476663112640), FRAC_CONST(0.98364555835724) }, + { FRAC_CONST(0.93379634618759), FRAC_CONST(-0.70881992578506) }, + { FRAC_CONST(-0.85235410928726), FRAC_CONST(-0.08342348039150) }, + { FRAC_CONST(-0.86425095796585), FRAC_CONST(-0.45795026421547) }, + { FRAC_CONST(0.38879778981209), FRAC_CONST(0.97274428606033) }, + { FRAC_CONST(0.92045122385025), FRAC_CONST(-0.62433654069901) }, + { FRAC_CONST(0.89162534475327), FRAC_CONST(0.54950958490372) }, + { FRAC_CONST(-0.36834338307381), FRAC_CONST(0.96458297967911) }, + { FRAC_CONST(0.93891763687134), FRAC_CONST(-0.89968353509903) }, + { FRAC_CONST(0.99267655611038), FRAC_CONST(-0.03757034242153) }, + { FRAC_CONST(-0.94063472747803), FRAC_CONST(0.41332337260246) }, + { FRAC_CONST(0.99740225076675), FRAC_CONST(-0.16830494999886) }, + { FRAC_CONST(-0.35899412631989), FRAC_CONST(-0.46633225679398) }, + { FRAC_CONST(0.05237237364054), FRAC_CONST(-0.25640362501144) }, + { FRAC_CONST(0.36703583598137), FRAC_CONST(-0.38653266429901) }, + { FRAC_CONST(0.91653180122375), FRAC_CONST(-0.30587628483772) }, + { FRAC_CONST(0.69000804424286), FRAC_CONST(0.90952169895172) }, + { FRAC_CONST(-0.38658750057220), FRAC_CONST(0.99501574039459) }, + { FRAC_CONST(-0.29250815510750), FRAC_CONST(0.37444993853569) }, + { FRAC_CONST(-0.60182201862335), FRAC_CONST(0.86779648065567) }, + { FRAC_CONST(-0.97418588399887), FRAC_CONST(0.96468526124954) }, + { FRAC_CONST(0.88461571931839), FRAC_CONST(0.57508403062820) }, + { FRAC_CONST(0.05198933184147), FRAC_CONST(0.21269661188126) }, + { FRAC_CONST(-0.53499621152878), FRAC_CONST(0.97241556644440) }, + { FRAC_CONST(-0.49429559707642), FRAC_CONST(0.98183864355087) }, + { FRAC_CONST(-0.98935145139694), FRAC_CONST(-0.40249159932137) }, + { FRAC_CONST(-0.98081380128860), FRAC_CONST(-0.72856897115707) }, + { FRAC_CONST(-0.27338150143623), FRAC_CONST(0.99950921535492) }, + { FRAC_CONST(0.06310802698135), FRAC_CONST(-0.54539585113525) }, + { FRAC_CONST(-0.20461677014828), FRAC_CONST(-0.14209978282452) }, + { FRAC_CONST(0.66223841905594), FRAC_CONST(0.72528582811356) }, + { FRAC_CONST(-0.84764343500137), FRAC_CONST(0.02372316829860) }, + { FRAC_CONST(-0.89039862155914), FRAC_CONST(0.88866579532623) }, + { FRAC_CONST(0.95903307199478), FRAC_CONST(0.76744925975800) }, + { FRAC_CONST(0.73504126071930), FRAC_CONST(-0.03747203201056) }, + { FRAC_CONST(-0.31744435429573), FRAC_CONST(-0.36834111809731) }, + { FRAC_CONST(-0.34110826253891), FRAC_CONST(0.40211221575737) }, + { FRAC_CONST(0.47803884744644), FRAC_CONST(-0.39423218369484) }, + { FRAC_CONST(0.98299193382263), FRAC_CONST(0.01989791356027) }, + { FRAC_CONST(-0.30963072180748), FRAC_CONST(-0.18076720833778) }, + { FRAC_CONST(0.99992591142654), FRAC_CONST(-0.26281872391701) }, + { FRAC_CONST(-0.93149733543396), FRAC_CONST(-0.98313164710999) }, + { FRAC_CONST(0.99923473596573), FRAC_CONST(-0.80142992734909) }, + { FRAC_CONST(-0.26024168729782), FRAC_CONST(-0.75999760627747) }, + { FRAC_CONST(-0.35712513327599), FRAC_CONST(0.19298963248730) }, + { FRAC_CONST(-0.99899083375931), FRAC_CONST(0.74645155668259) }, + { FRAC_CONST(0.86557173728943), FRAC_CONST(0.55593866109848) }, + { FRAC_CONST(0.33408042788506), FRAC_CONST(0.86185956001282) }, + { FRAC_CONST(0.99010735750198), FRAC_CONST(0.04602397605777) }, + { FRAC_CONST(-0.66694271564484), FRAC_CONST(-0.91643613576889) }, + { FRAC_CONST(0.64016789197922), FRAC_CONST(0.15649530291557) }, + { FRAC_CONST(0.99570536613464), FRAC_CONST(0.45844584703445) }, + { FRAC_CONST(-0.63431465625763), FRAC_CONST(0.21079117059708) }, + { FRAC_CONST(-0.07706847041845), FRAC_CONST(-0.89581435918808) }, + { FRAC_CONST(0.98590087890625), FRAC_CONST(0.88241720199585) }, + { FRAC_CONST(0.80099332332611), FRAC_CONST(-0.36851897835732) }, + { FRAC_CONST(0.78368133306503), FRAC_CONST(0.45506998896599) }, + { FRAC_CONST(0.08707806468010), FRAC_CONST(0.80938994884491) }, + { FRAC_CONST(-0.86811882257462), FRAC_CONST(0.39347308874130) }, + { FRAC_CONST(-0.39466530084610), FRAC_CONST(-0.66809433698654) }, + { FRAC_CONST(0.97875326871872), FRAC_CONST(-0.72467839717865) }, + { FRAC_CONST(-0.95038563013077), FRAC_CONST(0.89563220739365) }, + { FRAC_CONST(0.17005239427090), FRAC_CONST(0.54683053493500) }, + { FRAC_CONST(-0.76910793781281), FRAC_CONST(-0.96226614713669) }, + { FRAC_CONST(0.99743282794952), FRAC_CONST(0.42697158455849) }, + { FRAC_CONST(0.95437383651733), FRAC_CONST(0.97002321481705) }, + { FRAC_CONST(0.99578905105591), FRAC_CONST(-0.54106825590134) }, + { FRAC_CONST(0.28058260679245), FRAC_CONST(-0.85361421108246) }, + { FRAC_CONST(0.85256522893906), FRAC_CONST(-0.64567607641220) }, + { FRAC_CONST(-0.50608539581299), FRAC_CONST(-0.65846014022827) }, + { FRAC_CONST(-0.97210735082626), FRAC_CONST(-0.23095212876797) }, + { FRAC_CONST(0.95424050092697), FRAC_CONST(-0.99240148067474) }, + { FRAC_CONST(-0.96926569938660), FRAC_CONST(0.73775655031204) }, + { FRAC_CONST(0.30872163176537), FRAC_CONST(0.41514959931374) }, + { FRAC_CONST(-0.24523839354515), FRAC_CONST(0.63206630945206) }, + { FRAC_CONST(-0.33813264966011), FRAC_CONST(-0.38661777973175) }, + { FRAC_CONST(-0.05826828256249), FRAC_CONST(-0.06940773874521) }, + { FRAC_CONST(-0.22898460924625), FRAC_CONST(0.97054851055145) }, + { FRAC_CONST(-0.18509915471077), FRAC_CONST(0.47565764188766) }, + { FRAC_CONST(-0.10488238185644), FRAC_CONST(-0.87769949436188) }, + { FRAC_CONST(-0.71886587142944), FRAC_CONST(0.78030979633331) }, + { FRAC_CONST(0.99793875217438), FRAC_CONST(0.90041309595108) }, + { FRAC_CONST(0.57563304901123), FRAC_CONST(-0.91034334897995) }, + { FRAC_CONST(0.28909647464752), FRAC_CONST(0.96307784318924) }, + { FRAC_CONST(0.42188999056816), FRAC_CONST(0.48148649930954) }, + { FRAC_CONST(0.93335050344467), FRAC_CONST(-0.43537023663521) }, + { FRAC_CONST(-0.97087377309799), FRAC_CONST(0.86636447906494) }, + { FRAC_CONST(0.36722871661186), FRAC_CONST(0.65291655063629) }, + { FRAC_CONST(-0.81093025207520), FRAC_CONST(0.08778370171785) }, + { FRAC_CONST(-0.26240602135658), FRAC_CONST(-0.92774093151093) }, + { FRAC_CONST(0.83996498584747), FRAC_CONST(0.55839848518372) }, + { FRAC_CONST(-0.99909615516663), FRAC_CONST(-0.96024608612061) }, + { FRAC_CONST(0.74649465084076), FRAC_CONST(0.12144893407822) }, + { FRAC_CONST(-0.74774593114853), FRAC_CONST(-0.26898062229156) }, + { FRAC_CONST(0.95781666040421), FRAC_CONST(-0.79047924280167) }, + { FRAC_CONST(0.95472306013107), FRAC_CONST(-0.08588775992393) }, + { FRAC_CONST(0.48708331584930), FRAC_CONST(0.99999040365219) }, + { FRAC_CONST(0.46332037448883), FRAC_CONST(0.10964126139879) }, + { FRAC_CONST(-0.76497006416321), FRAC_CONST(0.89210927486420) }, + { FRAC_CONST(0.57397389411926), FRAC_CONST(0.35289704799652) }, + { FRAC_CONST(0.75374317169189), FRAC_CONST(0.96705216169357) }, + { FRAC_CONST(-0.59174400568008), FRAC_CONST(-0.89405369758606) }, + { FRAC_CONST(0.75087904930115), FRAC_CONST(-0.29612672328949) }, + { FRAC_CONST(-0.98607856035233), FRAC_CONST(0.25034910440445) }, + { FRAC_CONST(-0.40761056542397), FRAC_CONST(-0.90045571327209) }, + { FRAC_CONST(0.66929268836975), FRAC_CONST(0.98629492521286) }, + { FRAC_CONST(-0.97463697195053), FRAC_CONST(-0.00190223299433) }, + { FRAC_CONST(0.90145510435104), FRAC_CONST(0.99781388044357) }, + { FRAC_CONST(-0.87259286642075), FRAC_CONST(0.99233585596085) }, + { FRAC_CONST(-0.91529458761215), FRAC_CONST(-0.15698707103729) }, + { FRAC_CONST(-0.03305738791823), FRAC_CONST(-0.37205263972282) }, + { FRAC_CONST(0.07223051041365), FRAC_CONST(-0.88805001974106) }, + { FRAC_CONST(0.99498009681702), FRAC_CONST(0.97094357013702) }, + { FRAC_CONST(-0.74904936552048), FRAC_CONST(0.99985486268997) }, + { FRAC_CONST(0.04585228487849), FRAC_CONST(0.99812334775925) }, + { FRAC_CONST(-0.89054954051971), FRAC_CONST(-0.31791913509369) }, + { FRAC_CONST(-0.83782142400742), FRAC_CONST(0.97637635469437) }, + { FRAC_CONST(0.33454805612564), FRAC_CONST(-0.86231517791748) }, + { FRAC_CONST(-0.99707579612732), FRAC_CONST(0.93237990140915) }, + { FRAC_CONST(-0.22827528417110), FRAC_CONST(0.18874759972095) }, + { FRAC_CONST(0.67248046398163), FRAC_CONST(-0.03646211326122) }, + { FRAC_CONST(-0.05146538093686), FRAC_CONST(-0.92599701881409) }, + { FRAC_CONST(0.99947297573090), FRAC_CONST(0.93625229597092) }, + { FRAC_CONST(0.66951125860214), FRAC_CONST(0.98905825614929) }, + { FRAC_CONST(-0.99602955579758), FRAC_CONST(-0.44654715061188) }, + { FRAC_CONST(0.82104903459549), FRAC_CONST(0.99540740251541) }, + { FRAC_CONST(0.99186509847641), FRAC_CONST(0.72022998332977) }, + { FRAC_CONST(-0.65284591913223), FRAC_CONST(0.52186721563339) }, + { FRAC_CONST(0.93885445594788), FRAC_CONST(-0.74895310401917) }, + { FRAC_CONST(0.96735250949860), FRAC_CONST(0.90891814231873) }, + { FRAC_CONST(-0.22225968539715), FRAC_CONST(0.57124030590057) }, + { FRAC_CONST(-0.44132784008980), FRAC_CONST(-0.92688840627670) }, + { FRAC_CONST(-0.85694974660873), FRAC_CONST(0.88844531774521) }, + { FRAC_CONST(0.91783040761948), FRAC_CONST(-0.46356892585754) }, + { FRAC_CONST(0.72556972503662), FRAC_CONST(-0.99899554252625) }, + { FRAC_CONST(-0.99711579084396), FRAC_CONST(0.58211559057236) }, + { FRAC_CONST(0.77638977766037), FRAC_CONST(0.94321835041046) }, + { FRAC_CONST(0.07717324048281), FRAC_CONST(0.58638399839401) }, + { FRAC_CONST(-0.56049829721451), FRAC_CONST(0.82522302865982) }, + { FRAC_CONST(0.98398894071579), FRAC_CONST(0.39467439055443) }, + { FRAC_CONST(0.47546947002411), FRAC_CONST(0.68613046407700) }, + { FRAC_CONST(0.65675091743469), FRAC_CONST(0.18331636488438) }, + { FRAC_CONST(0.03273375332355), FRAC_CONST(-0.74933111667633) }, + { FRAC_CONST(-0.38684144616127), FRAC_CONST(0.51337349414825) }, + { FRAC_CONST(-0.97346270084381), FRAC_CONST(-0.96549361944199) }, + { FRAC_CONST(-0.53282153606415), FRAC_CONST(-0.91423267126083) }, + { FRAC_CONST(0.99817311763763), FRAC_CONST(0.61133575439453) }, + { FRAC_CONST(-0.50254499912262), FRAC_CONST(-0.88829338550568) }, + { FRAC_CONST(0.01995873264968), FRAC_CONST(0.85223513841629) }, + { FRAC_CONST(0.99930381774902), FRAC_CONST(0.94578897953033) }, + { FRAC_CONST(0.82907766103745), FRAC_CONST(-0.06323442608118) }, + { FRAC_CONST(-0.58660709857941), FRAC_CONST(0.96840775012970) }, + { FRAC_CONST(-0.17573736608028), FRAC_CONST(-0.48166921734810) }, + { FRAC_CONST(0.83434289693832), FRAC_CONST(-0.13023450970650) }, + { FRAC_CONST(0.05946491286159), FRAC_CONST(0.20511047542095) }, + { FRAC_CONST(0.81505483388901), FRAC_CONST(-0.94685947895050) }, + { FRAC_CONST(-0.44976380467415), FRAC_CONST(0.40894573926926) }, + { FRAC_CONST(-0.89746475219727), FRAC_CONST(0.99846577644348) }, + { FRAC_CONST(0.39677256345749), FRAC_CONST(-0.74854665994644) }, + { FRAC_CONST(-0.07588948309422), FRAC_CONST(0.74096214771271) }, + { FRAC_CONST(0.76343196630478), FRAC_CONST(0.41746628284454) }, + { FRAC_CONST(-0.74490106105804), FRAC_CONST(0.94725912809372) }, + { FRAC_CONST(0.64880120754242), FRAC_CONST(0.41336661577225) }, + { FRAC_CONST(0.62319535017014), FRAC_CONST(-0.93098312616348) }, + { FRAC_CONST(0.42215818166733), FRAC_CONST(-0.07712787389755) }, + { FRAC_CONST(0.02704554051161), FRAC_CONST(-0.05417517945170) }, + { FRAC_CONST(0.80001771450043), FRAC_CONST(0.91542196273804) }, + { FRAC_CONST(-0.79351830482483), FRAC_CONST(-0.36208897829056) }, + { FRAC_CONST(0.63872361183167), FRAC_CONST(0.08128252625465) }, + { FRAC_CONST(0.52890521287918), FRAC_CONST(0.60048872232437) }, + { FRAC_CONST(0.74238550662994), FRAC_CONST(0.04491915181279) }, + { FRAC_CONST(0.99096131324768), FRAC_CONST(-0.19451183080673) }, + { FRAC_CONST(-0.80412328243256), FRAC_CONST(-0.88513815402985) }, + { FRAC_CONST(-0.64612615108490), FRAC_CONST(0.72198677062988) }, + { FRAC_CONST(0.11657770723104), FRAC_CONST(-0.83662831783295) }, + { FRAC_CONST(-0.95053184032440), FRAC_CONST(-0.96939903497696) }, + { FRAC_CONST(-0.62228870391846), FRAC_CONST(0.82767260074615) }, + { FRAC_CONST(0.03004475869238), FRAC_CONST(-0.99738895893097) }, + { FRAC_CONST(-0.97987216711044), FRAC_CONST(0.36526128649712) }, + { FRAC_CONST(-0.99986982345581), FRAC_CONST(-0.36021611094475) }, + { FRAC_CONST(0.89110648632050), FRAC_CONST(-0.97894251346588) }, + { FRAC_CONST(0.10407960414886), FRAC_CONST(0.77357792854309) }, + { FRAC_CONST(0.95964735746384), FRAC_CONST(-0.35435819625854) }, + { FRAC_CONST(0.50843232870102), FRAC_CONST(0.96107691526413) }, + { FRAC_CONST(0.17006334662437), FRAC_CONST(-0.76854026317596) }, + { FRAC_CONST(0.25872674584389), FRAC_CONST(0.99893301725388) }, + { FRAC_CONST(-0.01115998718888), FRAC_CONST(0.98496019840240) }, + { FRAC_CONST(-0.79598701000214), FRAC_CONST(0.97138410806656) }, + { FRAC_CONST(-0.99264711141586), FRAC_CONST(-0.99542820453644) }, + { FRAC_CONST(-0.99829661846161), FRAC_CONST(0.01877138763666) }, + { FRAC_CONST(-0.70801013708115), FRAC_CONST(0.33680686354637) }, + { FRAC_CONST(-0.70467054843903), FRAC_CONST(0.93272775411606) }, + { FRAC_CONST(0.99846023321152), FRAC_CONST(-0.98725748062134) }, + { FRAC_CONST(-0.63364970684052), FRAC_CONST(-0.16473594307899) }, + { FRAC_CONST(-0.16258217394352), FRAC_CONST(-0.95939123630524) }, + { FRAC_CONST(-0.43645593523979), FRAC_CONST(-0.94805032014847) }, + { FRAC_CONST(-0.99848473072052), FRAC_CONST(0.96245169639587) }, + { FRAC_CONST(-0.16796459257603), FRAC_CONST(-0.98987513780594) }, + { FRAC_CONST(-0.87979227304459), FRAC_CONST(-0.71725726127625) }, + { FRAC_CONST(0.44183099269867), FRAC_CONST(-0.93568974733353) }, + { FRAC_CONST(0.93310177326202), FRAC_CONST(-0.99913311004639) }, + { FRAC_CONST(-0.93941932916641), FRAC_CONST(-0.56409376859665) }, + { FRAC_CONST(-0.88590002059937), FRAC_CONST(0.47624599933624) }, + { FRAC_CONST(0.99971461296082), FRAC_CONST(-0.83889955282211) }, + { FRAC_CONST(-0.75376385450363), FRAC_CONST(0.00814643409103) }, + { FRAC_CONST(0.93887686729431), FRAC_CONST(-0.11284527927637) }, + { FRAC_CONST(0.85126435756683), FRAC_CONST(0.52349251508713) }, + { FRAC_CONST(0.39701420068741), FRAC_CONST(0.81779634952545) }, + { FRAC_CONST(-0.37024465203285), FRAC_CONST(-0.87071657180786) }, + { FRAC_CONST(-0.36024826765060), FRAC_CONST(0.34655734896660) }, + { FRAC_CONST(-0.93388813734055), FRAC_CONST(-0.84476542472839) }, + { FRAC_CONST(-0.65298801660538), FRAC_CONST(-0.18439576029778) }, + { FRAC_CONST(0.11960318684578), FRAC_CONST(0.99899345636368) }, + { FRAC_CONST(0.94292563199997), FRAC_CONST(0.83163905143738) }, + { FRAC_CONST(0.75081145763397), FRAC_CONST(-0.35533222556114) }, + { FRAC_CONST(0.56721979379654), FRAC_CONST(-0.24076835811138) }, + { FRAC_CONST(0.46857765316963), FRAC_CONST(-0.30140233039856) }, + { FRAC_CONST(0.97312313318253), FRAC_CONST(-0.99548190832138) }, + { FRAC_CONST(-0.38299977779388), FRAC_CONST(0.98516911268234) }, + { FRAC_CONST(0.41025799512863), FRAC_CONST(0.02116736955941) }, + { FRAC_CONST(0.09638062119484), FRAC_CONST(0.04411984235048) }, + { FRAC_CONST(-0.85283249616623), FRAC_CONST(0.91475564241409) }, + { FRAC_CONST(0.88866806030273), FRAC_CONST(-0.99735265970230) }, + { FRAC_CONST(-0.48202428221703), FRAC_CONST(-0.96805608272552) }, + { FRAC_CONST(0.27572581171989), FRAC_CONST(0.58634752035141) }, + { FRAC_CONST(-0.65889132022858), FRAC_CONST(0.58835631608963) }, + { FRAC_CONST(0.98838084936142), FRAC_CONST(0.99994349479675) }, + { FRAC_CONST(-0.20651349425316), FRAC_CONST(0.54593044519424) }, + { FRAC_CONST(-0.62126415967941), FRAC_CONST(-0.59893679618835) }, + { FRAC_CONST(0.20320105552673), FRAC_CONST(-0.86879181861877) }, + { FRAC_CONST(-0.97790551185608), FRAC_CONST(0.96290808916092) }, + { FRAC_CONST(0.11112534999847), FRAC_CONST(0.21484763920307) }, + { FRAC_CONST(-0.41368338465691), FRAC_CONST(0.28216838836670) }, + { FRAC_CONST(0.24133038520813), FRAC_CONST(0.51294362545013) }, + { FRAC_CONST(-0.66393411159515), FRAC_CONST(-0.08249679952860) }, + { FRAC_CONST(-0.53697830438614), FRAC_CONST(-0.97649902105331) }, + { FRAC_CONST(-0.97224736213684), FRAC_CONST(0.22081333398819) }, + { FRAC_CONST(0.87392479181290), FRAC_CONST(-0.12796173989773) }, + { FRAC_CONST(0.19050361216068), FRAC_CONST(0.01602615416050) }, + { FRAC_CONST(-0.46353441476822), FRAC_CONST(-0.95249038934708) }, + { FRAC_CONST(-0.07064096629620), FRAC_CONST(-0.94479805231094) }, + { FRAC_CONST(-0.92444086074829), FRAC_CONST(-0.10457590222359) }, + { FRAC_CONST(-0.83822596073151), FRAC_CONST(-0.01695043221116) }, + { FRAC_CONST(0.75214684009552), FRAC_CONST(-0.99955683946609) }, + { FRAC_CONST(-0.42102998495102), FRAC_CONST(0.99720942974091) }, + { FRAC_CONST(-0.72094786167145), FRAC_CONST(-0.35008960962296) }, + { FRAC_CONST(0.78843313455582), FRAC_CONST(0.52851396799088) }, + { FRAC_CONST(0.97394025325775), FRAC_CONST(-0.26695942878723) }, + { FRAC_CONST(0.99206465482712), FRAC_CONST(-0.57010120153427) }, + { FRAC_CONST(0.76789611577988), FRAC_CONST(-0.76519358158112) }, + { FRAC_CONST(-0.82002419233322), FRAC_CONST(-0.73530179262161) }, + { FRAC_CONST(0.81924992799759), FRAC_CONST(0.99698424339294) }, + { FRAC_CONST(-0.26719850301743), FRAC_CONST(0.68903368711472) }, + { FRAC_CONST(-0.43311259150505), FRAC_CONST(0.85321813821793) }, + { FRAC_CONST(0.99194979667664), FRAC_CONST(0.91876250505447) }, + { FRAC_CONST(-0.80691999197006), FRAC_CONST(-0.32627540826797) }, + { FRAC_CONST(0.43080005049706), FRAC_CONST(-0.21919095516205) }, + { FRAC_CONST(0.67709493637085), FRAC_CONST(-0.95478075742722) }, + { FRAC_CONST(0.56151771545410), FRAC_CONST(-0.70693808794022) }, + { FRAC_CONST(0.10831862688065), FRAC_CONST(-0.08628837019205) }, + { FRAC_CONST(0.91229414939880), FRAC_CONST(-0.65987348556519) }, + { FRAC_CONST(-0.48972892761230), FRAC_CONST(0.56289243698120) }, + { FRAC_CONST(-0.89033657312393), FRAC_CONST(-0.71656566858292) }, + { FRAC_CONST(0.65269446372986), FRAC_CONST(0.65916007757187) }, + { FRAC_CONST(0.67439478635788), FRAC_CONST(-0.81684380769730) }, + { FRAC_CONST(-0.47770830988884), FRAC_CONST(-0.16789555549622) }, + { FRAC_CONST(-0.99715977907181), FRAC_CONST(-0.93565785884857) }, + { FRAC_CONST(-0.90889590978622), FRAC_CONST(0.62034398317337) }, + { FRAC_CONST(-0.06618622690439), FRAC_CONST(-0.23812216520309) }, + { FRAC_CONST(0.99430269002914), FRAC_CONST(0.18812555074692) }, + { FRAC_CONST(0.97686403989792), FRAC_CONST(-0.28664535284042) }, + { FRAC_CONST(0.94813650846481), FRAC_CONST(-0.97506642341614) }, + { FRAC_CONST(-0.95434498786926), FRAC_CONST(-0.79607981443405) }, + { FRAC_CONST(-0.49104782938957), FRAC_CONST(0.32895213365555) }, + { FRAC_CONST(0.99881172180176), FRAC_CONST(0.88993984460831) }, + { FRAC_CONST(0.50449168682098), FRAC_CONST(-0.85995072126389) }, + { FRAC_CONST(0.47162890434265), FRAC_CONST(-0.18680204451084) }, + { FRAC_CONST(-0.62081581354141), FRAC_CONST(0.75000673532486) }, + { FRAC_CONST(-0.43867015838623), FRAC_CONST(0.99998068809509) }, + { FRAC_CONST(0.98630565404892), FRAC_CONST(-0.53578901290894) }, + { FRAC_CONST(-0.61510360240936), FRAC_CONST(-0.89515018463135) }, + { FRAC_CONST(-0.03841517493129), FRAC_CONST(-0.69888818264008) }, + { FRAC_CONST(-0.30102157592773), FRAC_CONST(-0.07667808979750) }, + { FRAC_CONST(0.41881284117699), FRAC_CONST(0.02188098989427) }, + { FRAC_CONST(-0.86135452985764), FRAC_CONST(0.98947483301163) }, + { FRAC_CONST(0.67226862907410), FRAC_CONST(-0.13494388759136) }, + { FRAC_CONST(-0.70737397670746), FRAC_CONST(-0.76547348499298) }, + { FRAC_CONST(0.94044947624207), FRAC_CONST(0.09026201069355) }, + { FRAC_CONST(-0.82386350631714), FRAC_CONST(0.08924768865108) }, + { FRAC_CONST(-0.32070666551590), FRAC_CONST(0.50143420696259) }, + { FRAC_CONST(0.57593160867691), FRAC_CONST(-0.98966425657272) }, + { FRAC_CONST(-0.36326017975807), FRAC_CONST(0.07440242916346) }, + { FRAC_CONST(0.99979043006897), FRAC_CONST(-0.14130286872387) }, + { FRAC_CONST(-0.92366021871567), FRAC_CONST(-0.97979295253754) }, + { FRAC_CONST(-0.44607177376747), FRAC_CONST(-0.54233253002167) }, + { FRAC_CONST(0.44226801395416), FRAC_CONST(0.71326756477356) }, + { FRAC_CONST(0.03671907261014), FRAC_CONST(0.63606387376785) }, + { FRAC_CONST(0.52175426483154), FRAC_CONST(-0.85396826267242) }, + { FRAC_CONST(-0.94701141119003), FRAC_CONST(-0.01826348155737) }, + { FRAC_CONST(-0.98759609460831), FRAC_CONST(0.82288712263107) }, + { FRAC_CONST(0.87434792518616), FRAC_CONST(0.89399492740631) }, + { FRAC_CONST(-0.93412041664124), FRAC_CONST(0.41374051570892) }, + { FRAC_CONST(0.96063941717148), FRAC_CONST(0.93116706609726) }, + { FRAC_CONST(0.97534251213074), FRAC_CONST(0.86150932312012) }, + { FRAC_CONST(0.99642467498779), FRAC_CONST(0.70190042257309) }, + { FRAC_CONST(-0.94705086946487), FRAC_CONST(-0.29580041766167) }, + { FRAC_CONST(0.91599804162979), FRAC_CONST(-0.98147833347321) } + }; + +#ifdef __cplusplus + +#endif +#endif + diff --git a/audio_codec/libfaad/sbr_qmf.c b/audio_codec/libfaad/sbr_qmf.c new file mode 100644 index 0000000..0131a39 --- a/dev/null +++ b/audio_codec/libfaad/sbr_qmf.c @@ -0,0 +1,614 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_qmf.c,v 1.32 2007/11/01 12:33:36 menno Exp $ +**/ +#include +#include "common.h" +#include "structs.h" + +#ifdef SBR_DEC + + +#include +#include "sbr_dct.h" +#include "sbr_qmf.h" +#include "sbr_qmf_c.h" +#include "sbr_syntax.h" + +qmfa_info *qmfa_init(uint8_t channels) +{ + qmfa_info *qmfa = (qmfa_info*)faad_malloc(sizeof(qmfa_info)); + + /* x is implemented as double ringbuffer */ + qmfa->x = (real_t*)faad_malloc(2 * channels * 10 * sizeof(real_t)); + memset(qmfa->x, 0, 2 * channels * 10 * sizeof(real_t)); + + /* ringbuffer index */ + qmfa->x_index = 0; + + qmfa->channels = channels; + + return qmfa; +} + +void qmfa_end(qmfa_info *qmfa) +{ + if (qmfa) { + if (qmfa->x) { + faad_free(qmfa->x); + } + faad_free(qmfa); + } +} + +void sbr_qmf_analysis_32(sbr_info *sbr, qmfa_info *qmfa, const real_t *input, + qmf_t X[MAX_NTSRHFG][64], uint8_t offset, uint8_t kx) +{ + ALIGN real_t u[64]; +#ifndef SBR_LOW_POWER + ALIGN real_t in_real[32], in_imag[32], out_real[32], out_imag[32]; +#else + ALIGN real_t y[32]; +#endif + uint32_t in = 0; + uint8_t l; + + /* qmf subsample l */ + for (l = 0; l < sbr->numTimeSlotsRate; l++) { + int16_t n; + + /* shift input buffer x */ + /* input buffer is not shifted anymore, x is implemented as double ringbuffer */ + //memmove(qmfa->x + 32, qmfa->x, (320-32)*sizeof(real_t)); + + /* add new samples to input buffer x */ + for (n = 32 - 1; n >= 0; n--) { +#ifdef FIXED_POINT + qmfa->x[qmfa->x_index + n] = qmfa->x[qmfa->x_index + n + 320] = (input[in++]) >> 4; +#else + qmfa->x[qmfa->x_index + n] = qmfa->x[qmfa->x_index + n + 320] = input[in++]; +#endif + } + + /* window and summation to create array u */ + for (n = 0; n < 64; n++) { + u[n] = MUL_F(qmfa->x[qmfa->x_index + n], qmf_c[2 * n]) + + MUL_F(qmfa->x[qmfa->x_index + n + 64], qmf_c[2 * (n + 64)]) + + MUL_F(qmfa->x[qmfa->x_index + n + 128], qmf_c[2 * (n + 128)]) + + MUL_F(qmfa->x[qmfa->x_index + n + 192], qmf_c[2 * (n + 192)]) + + MUL_F(qmfa->x[qmfa->x_index + n + 256], qmf_c[2 * (n + 256)]); + } + + /* update ringbuffer index */ + qmfa->x_index -= 32; + if (qmfa->x_index < 0) { + qmfa->x_index = (320 - 32); + } + + /* calculate 32 subband samples by introducing X */ +#ifdef SBR_LOW_POWER + y[0] = u[48]; + for (n = 1; n < 16; n++) { + y[n] = u[n + 48] + u[48 - n]; + } + for (n = 16; n < 32; n++) { + y[n] = -u[n - 16] + u[48 - n]; + } + + DCT3_32_unscaled(u, y); + + for (n = 0; n < 32; n++) { + if (n < kx) { +#ifdef FIXED_POINT + QMF_RE(X[l + offset][n]) = u[n] /*<< 1*/; +#else + QMF_RE(X[l + offset][n]) = 2. * u[n]; +#endif + } else { + QMF_RE(X[l + offset][n]) = 0; + } + } +#else + + // Reordering of data moved from DCT_IV to here + in_imag[31] = u[1]; + in_real[0] = u[0]; + for (n = 1; n < 31; n++) { + in_imag[31 - n] = u[n + 1]; + in_real[n] = -u[64 - n]; + } + in_imag[0] = u[32]; + in_real[31] = -u[33]; + + // dct4_kernel is DCT_IV without reordering which is done before and after FFT + dct4_kernel(in_real, in_imag, out_real, out_imag); + + // Reordering of data moved from DCT_IV to here + for (n = 0; n < 16; n++) { + if (2 * n + 1 < kx) { +#ifdef FIXED_POINT + QMF_RE(X[l + offset][2 * n]) = out_real[n]; + QMF_IM(X[l + offset][2 * n]) = out_imag[n]; + QMF_RE(X[l + offset][2 * n + 1]) = -out_imag[31 - n]; + QMF_IM(X[l + offset][2 * n + 1]) = -out_real[31 - n]; +#else + QMF_RE(X[l + offset][2 * n]) = 2. * out_real[n]; + QMF_IM(X[l + offset][2 * n]) = 2. * out_imag[n]; + QMF_RE(X[l + offset][2 * n + 1]) = -2. * out_imag[31 - n]; + QMF_IM(X[l + offset][2 * n + 1]) = -2. * out_real[31 - n]; +#endif + } else { + if (2 * n < kx) { +#ifdef FIXED_POINT + QMF_RE(X[l + offset][2 * n]) = out_real[n]; + QMF_IM(X[l + offset][2 * n]) = out_imag[n]; +#else + QMF_RE(X[l + offset][2 * n]) = 2. * out_real[n]; + QMF_IM(X[l + offset][2 * n]) = 2. * out_imag[n]; +#endif + } else { + QMF_RE(X[l + offset][2 * n]) = 0; + QMF_IM(X[l + offset][2 * n]) = 0; + } + QMF_RE(X[l + offset][2 * n + 1]) = 0; + QMF_IM(X[l + offset][2 * n + 1]) = 0; + } + } +#endif + } +} + +static const complex_t qmf32_pre_twiddle[] = { + { FRAC_CONST(0.999924701839145), FRAC_CONST(-0.012271538285720) }, + { FRAC_CONST(0.999322384588350), FRAC_CONST(-0.036807222941359) }, + { FRAC_CONST(0.998118112900149), FRAC_CONST(-0.061320736302209) }, + { FRAC_CONST(0.996312612182778), FRAC_CONST(-0.085797312344440) }, + { FRAC_CONST(0.993906970002356), FRAC_CONST(-0.110222207293883) }, + { FRAC_CONST(0.990902635427780), FRAC_CONST(-0.134580708507126) }, + { FRAC_CONST(0.987301418157858), FRAC_CONST(-0.158858143333861) }, + { FRAC_CONST(0.983105487431216), FRAC_CONST(-0.183039887955141) }, + { FRAC_CONST(0.978317370719628), FRAC_CONST(-0.207111376192219) }, + { FRAC_CONST(0.972939952205560), FRAC_CONST(-0.231058108280671) }, + { FRAC_CONST(0.966976471044852), FRAC_CONST(-0.254865659604515) }, + { FRAC_CONST(0.960430519415566), FRAC_CONST(-0.278519689385053) }, + { FRAC_CONST(0.953306040354194), FRAC_CONST(-0.302005949319228) }, + { FRAC_CONST(0.945607325380521), FRAC_CONST(-0.325310292162263) }, + { FRAC_CONST(0.937339011912575), FRAC_CONST(-0.348418680249435) }, + { FRAC_CONST(0.928506080473216), FRAC_CONST(-0.371317193951838) }, + { FRAC_CONST(0.919113851690058), FRAC_CONST(-0.393992040061048) }, + { FRAC_CONST(0.909167983090522), FRAC_CONST(-0.416429560097637) }, + { FRAC_CONST(0.898674465693954), FRAC_CONST(-0.438616238538528) }, + { FRAC_CONST(0.887639620402854), FRAC_CONST(-0.460538710958240) }, + { FRAC_CONST(0.876070094195407), FRAC_CONST(-0.482183772079123) }, + { FRAC_CONST(0.863972856121587), FRAC_CONST(-0.503538383725718) }, + { FRAC_CONST(0.851355193105265), FRAC_CONST(-0.524589682678469) }, + { FRAC_CONST(0.838224705554838), FRAC_CONST(-0.545324988422046) }, + { FRAC_CONST(0.824589302785025), FRAC_CONST(-0.565731810783613) }, + { FRAC_CONST(0.810457198252595), FRAC_CONST(-0.585797857456439) }, + { FRAC_CONST(0.795836904608884), FRAC_CONST(-0.605511041404326) }, + { FRAC_CONST(0.780737228572094), FRAC_CONST(-0.624859488142386) }, + { FRAC_CONST(0.765167265622459), FRAC_CONST(-0.643831542889791) }, + { FRAC_CONST(0.749136394523459), FRAC_CONST(-0.662415777590172) }, + { FRAC_CONST(0.732654271672413), FRAC_CONST(-0.680600997795453) }, + { FRAC_CONST(0.715730825283819), FRAC_CONST(-0.698376249408973) } +}; + +qmfs_info *qmfs_init(uint8_t channels) +{ + qmfs_info *qmfs = (qmfs_info*)faad_malloc(sizeof(qmfs_info)); + + /* v is a double ringbuffer */ + qmfs->v = (real_t*)faad_malloc(2 * channels * 20 * sizeof(real_t)); + memset(qmfs->v, 0, 2 * channels * 20 * sizeof(real_t)); + + qmfs->v_index = 0; + + qmfs->channels = channels; + + return qmfs; +} + +void qmfs_end(qmfs_info *qmfs) +{ + if (qmfs) { + if (qmfs->v) { + faad_free(qmfs->v); + } + faad_free(qmfs); + } +} + +#ifdef SBR_LOW_POWER + +void sbr_qmf_synthesis_32(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64], + real_t *output) +{ + ALIGN real_t x[16]; + ALIGN real_t y[16]; + int32_t n, k, out = 0; + uint8_t l; + + /* qmf subsample l */ + for (l = 0; l < sbr->numTimeSlotsRate; l++) { + /* shift buffers */ + /* we are not shifting v, it is a double ringbuffer */ + //memmove(qmfs->v + 64, qmfs->v, (640-64)*sizeof(real_t)); + + /* calculate 64 samples */ + for (k = 0; k < 16; k++) { +#ifdef FIXED_POINT + y[k] = (QMF_RE(X[l][k]) - QMF_RE(X[l][31 - k])); + x[k] = (QMF_RE(X[l][k]) + QMF_RE(X[l][31 - k])); +#else + y[k] = (QMF_RE(X[l][k]) - QMF_RE(X[l][31 - k])) / 32.0; + x[k] = (QMF_RE(X[l][k]) + QMF_RE(X[l][31 - k])) / 32.0; +#endif + } + + /* even n samples */ + DCT2_16_unscaled(x, x); + /* odd n samples */ + DCT4_16(y, y); + + for (n = 8; n < 24; n++) { + qmfs->v[qmfs->v_index + n * 2] = qmfs->v[qmfs->v_index + 640 + n * 2] = x[n - 8]; + qmfs->v[qmfs->v_index + n * 2 + 1] = qmfs->v[qmfs->v_index + 640 + n * 2 + 1] = y[n - 8]; + } + for (n = 0; n < 16; n++) { + qmfs->v[qmfs->v_index + n] = qmfs->v[qmfs->v_index + 640 + n] = qmfs->v[qmfs->v_index + 32 - n]; + } + qmfs->v[qmfs->v_index + 48] = qmfs->v[qmfs->v_index + 640 + 48] = 0; + for (n = 1; n < 16; n++) { + qmfs->v[qmfs->v_index + 48 + n] = qmfs->v[qmfs->v_index + 640 + 48 + n] = -qmfs->v[qmfs->v_index + 48 - n]; + } + + /* calculate 32 output samples and window */ + for (k = 0; k < 32; k++) { + output[out++] = MUL_F(qmfs->v[qmfs->v_index + k], qmf_c[2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 96 + k], qmf_c[64 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 128 + k], qmf_c[128 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 224 + k], qmf_c[192 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 256 + k], qmf_c[256 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 352 + k], qmf_c[320 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 384 + k], qmf_c[384 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 480 + k], qmf_c[448 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 512 + k], qmf_c[512 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 608 + k], qmf_c[576 + 2 * k]); + } + + /* update the ringbuffer index */ + qmfs->v_index -= 64; + if (qmfs->v_index < 0) { + qmfs->v_index = (640 - 64); + } + } +} + +void sbr_qmf_synthesis_64(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64], + real_t *output) +{ + ALIGN real_t x[64]; + ALIGN real_t y[64]; + int32_t n, k, out = 0; + uint8_t l; + + + /* qmf subsample l */ + for (l = 0; l < sbr->numTimeSlotsRate; l++) { + /* shift buffers */ + /* we are not shifting v, it is a double ringbuffer */ + //memmove(qmfs->v + 128, qmfs->v, (1280-128)*sizeof(real_t)); + + /* calculate 128 samples */ + for (k = 0; k < 32; k++) { +#ifdef FIXED_POINT + y[k] = (QMF_RE(X[l][k]) - QMF_RE(X[l][63 - k])); + x[k] = (QMF_RE(X[l][k]) + QMF_RE(X[l][63 - k])); +#else + y[k] = (QMF_RE(X[l][k]) - QMF_RE(X[l][63 - k])) / 32.0; + x[k] = (QMF_RE(X[l][k]) + QMF_RE(X[l][63 - k])) / 32.0; +#endif + } + + /* even n samples */ + DCT2_32_unscaled(x, x); + /* odd n samples */ + DCT4_32(y, y); + + for (n = 16; n < 48; n++) { + qmfs->v[qmfs->v_index + n * 2] = qmfs->v[qmfs->v_index + 1280 + n * 2] = x[n - 16]; + qmfs->v[qmfs->v_index + n * 2 + 1] = qmfs->v[qmfs->v_index + 1280 + n * 2 + 1] = y[n - 16]; + } + for (n = 0; n < 32; n++) { + qmfs->v[qmfs->v_index + n] = qmfs->v[qmfs->v_index + 1280 + n] = qmfs->v[qmfs->v_index + 64 - n]; + } + qmfs->v[qmfs->v_index + 96] = qmfs->v[qmfs->v_index + 1280 + 96] = 0; + for (n = 1; n < 32; n++) { + qmfs->v[qmfs->v_index + 96 + n] = qmfs->v[qmfs->v_index + 1280 + 96 + n] = -qmfs->v[qmfs->v_index + 96 - n]; + } + + /* calculate 64 output samples and window */ + for (k = 0; k < 64; k++) { + output[out++] = MUL_F(qmfs->v[qmfs->v_index + k], qmf_c[k]) + + MUL_F(qmfs->v[qmfs->v_index + 192 + k], qmf_c[64 + k]) + + MUL_F(qmfs->v[qmfs->v_index + 256 + k], qmf_c[128 + k]) + + MUL_F(qmfs->v[qmfs->v_index + 256 + 192 + k], qmf_c[128 + 64 + k]) + + MUL_F(qmfs->v[qmfs->v_index + 512 + k], qmf_c[256 + k]) + + MUL_F(qmfs->v[qmfs->v_index + 512 + 192 + k], qmf_c[256 + 64 + k]) + + MUL_F(qmfs->v[qmfs->v_index + 768 + k], qmf_c[384 + k]) + + MUL_F(qmfs->v[qmfs->v_index + 768 + 192 + k], qmf_c[384 + 64 + k]) + + MUL_F(qmfs->v[qmfs->v_index + 1024 + k], qmf_c[512 + k]) + + MUL_F(qmfs->v[qmfs->v_index + 1024 + 192 + k], qmf_c[512 + 64 + k]); + } + + /* update the ringbuffer index */ + qmfs->v_index -= 128; + if (qmfs->v_index < 0) { + qmfs->v_index = (1280 - 128); + } + } +} +#else +void sbr_qmf_synthesis_32(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64], + real_t *output) +{ + ALIGN real_t x1[32], x2[32]; +#ifndef FIXED_POINT + real_t scale = 1.f / 64.f; +#endif + int32_t n, k, out = 0; + uint8_t l; + + + /* qmf subsample l */ + for (l = 0; l < sbr->numTimeSlotsRate; l++) { + /* shift buffer v */ + /* buffer is not shifted, we are using a ringbuffer */ + //memmove(qmfs->v + 64, qmfs->v, (640-64)*sizeof(real_t)); + + /* calculate 64 samples */ + /* complex pre-twiddle */ + for (k = 0; k < 32; k++) { + x1[k] = MUL_F(QMF_RE(X[l][k]), RE(qmf32_pre_twiddle[k])) - MUL_F(QMF_IM(X[l][k]), IM(qmf32_pre_twiddle[k])); + x2[k] = MUL_F(QMF_IM(X[l][k]), RE(qmf32_pre_twiddle[k])) + MUL_F(QMF_RE(X[l][k]), IM(qmf32_pre_twiddle[k])); + +#ifndef FIXED_POINT + x1[k] *= scale; + x2[k] *= scale; +#else + x1[k] >>= 1; + x2[k] >>= 1; +#endif + } + + /* transform */ + DCT4_32(x1, x1); + DST4_32(x2, x2); + + for (n = 0; n < 32; n++) { + qmfs->v[qmfs->v_index + n] = qmfs->v[qmfs->v_index + 640 + n] = -x1[n] + x2[n]; + qmfs->v[qmfs->v_index + 63 - n] = qmfs->v[qmfs->v_index + 640 + 63 - n] = x1[n] + x2[n]; + } + + /* calculate 32 output samples and window */ + for (k = 0; k < 32; k++) { + output[out++] = MUL_F(qmfs->v[qmfs->v_index + k], qmf_c[2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 96 + k], qmf_c[64 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 128 + k], qmf_c[128 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 224 + k], qmf_c[192 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 256 + k], qmf_c[256 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 352 + k], qmf_c[320 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 384 + k], qmf_c[384 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 480 + k], qmf_c[448 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 512 + k], qmf_c[512 + 2 * k]) + + MUL_F(qmfs->v[qmfs->v_index + 608 + k], qmf_c[576 + 2 * k]); + } + + /* update ringbuffer index */ + qmfs->v_index -= 64; + if (qmfs->v_index < 0) { + qmfs->v_index = (640 - 64); + } + } +} + +void sbr_qmf_synthesis_64(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64], + real_t *output) +{ + // ALIGN real_t x1[64], x2[64]; +#ifndef SBR_LOW_POWER + ALIGN real_t in_real1[32], in_imag1[32], out_real1[32], out_imag1[32]; + ALIGN real_t in_real2[32], in_imag2[32], out_real2[32], out_imag2[32]; +#endif + qmf_t * pX; + real_t * pring_buffer_1, * pring_buffer_3; + // real_t * ptemp_1, * ptemp_2; +#ifdef PREFER_POINTERS + // These pointers are used if target platform has autoinc address generators + real_t * pring_buffer_2, * pring_buffer_4; + real_t * pring_buffer_5, * pring_buffer_6; + real_t * pring_buffer_7, * pring_buffer_8; + real_t * pring_buffer_9, * pring_buffer_10; + const real_t * pqmf_c_1, * pqmf_c_2, * pqmf_c_3, * pqmf_c_4; + const real_t * pqmf_c_5, * pqmf_c_6, * pqmf_c_7, * pqmf_c_8; + const real_t * pqmf_c_9, * pqmf_c_10; +#endif // #ifdef PREFER_POINTERS +#ifndef FIXED_POINT + real_t scale = 1.f / 64.f; +#endif + int32_t n, k, out = 0; + uint8_t l; + + + /* qmf subsample l */ + for (l = 0; l < sbr->numTimeSlotsRate; l++) { + /* shift buffer v */ + /* buffer is not shifted, we use double ringbuffer */ + //memmove(qmfs->v + 128, qmfs->v, (1280-128)*sizeof(real_t)); + + /* calculate 128 samples */ +#ifndef FIXED_POINT + + pX = X[l]; + + in_imag1[31] = scale * QMF_RE(pX[1]); + in_real1[0] = scale * QMF_RE(pX[0]); + in_imag2[31] = scale * QMF_IM(pX[63 - 1]); + in_real2[0] = scale * QMF_IM(pX[63 - 0]); + for (k = 1; k < 31; k++) { + in_imag1[31 - k] = scale * QMF_RE(pX[2 * k + 1]); + in_real1[ k] = scale * QMF_RE(pX[2 * k ]); + in_imag2[31 - k] = scale * QMF_IM(pX[63 - (2 * k + 1)]); + in_real2[ k] = scale * QMF_IM(pX[63 - (2 * k)]); + } + in_imag1[0] = scale * QMF_RE(pX[63]); + in_real1[31] = scale * QMF_RE(pX[62]); + in_imag2[0] = scale * QMF_IM(pX[63 - 63]); + in_real2[31] = scale * QMF_IM(pX[63 - 62]); + +#else + + pX = X[l]; + + in_imag1[31] = QMF_RE(pX[1]) >> 1; + in_real1[0] = QMF_RE(pX[0]) >> 1; + in_imag2[31] = QMF_IM(pX[62]) >> 1; + in_real2[0] = QMF_IM(pX[63]) >> 1; + for (k = 1; k < 31; k++) { + in_imag1[31 - k] = QMF_RE(pX[2 * k + 1]) >> 1; + in_real1[ k] = QMF_RE(pX[2 * k ]) >> 1; + in_imag2[31 - k] = QMF_IM(pX[63 - (2 * k + 1)]) >> 1; + in_real2[ k] = QMF_IM(pX[63 - (2 * k)]) >> 1; + } + in_imag1[0] = QMF_RE(pX[63]) >> 1; + in_real1[31] = QMF_RE(pX[62]) >> 1; + in_imag2[0] = QMF_IM(pX[0]) >> 1; + in_real2[31] = QMF_IM(pX[1]) >> 1; + +#endif + + + // dct4_kernel is DCT_IV without reordering which is done before and after FFT + dct4_kernel(in_real1, in_imag1, out_real1, out_imag1); + dct4_kernel(in_real2, in_imag2, out_real2, out_imag2); + + + pring_buffer_1 = qmfs->v + qmfs->v_index; + pring_buffer_3 = pring_buffer_1 + 1280; +#ifdef PREFER_POINTERS + pring_buffer_2 = pring_buffer_1 + 127; + pring_buffer_4 = pring_buffer_1 + (1280 + 127); +#endif // #ifdef PREFER_POINTERS + // ptemp_1 = x1; + // ptemp_2 = x2; +#ifdef PREFER_POINTERS + for (n = 0; n < 32; n ++) { + //real_t x1 = *ptemp_1++; + //real_t x2 = *ptemp_2++; + // pring_buffer_3 and pring_buffer_4 are needed only for double ring buffer + *pring_buffer_1++ = *pring_buffer_3++ = out_real2[n] - out_real1[n]; + *pring_buffer_2-- = *pring_buffer_4-- = out_real2[n] + out_real1[n]; + //x1 = *ptemp_1++; + //x2 = *ptemp_2++; + *pring_buffer_1++ = *pring_buffer_3++ = out_imag2[31 - n] + out_imag1[31 - n]; + *pring_buffer_2-- = *pring_buffer_4-- = out_imag2[31 - n] - out_imag1[31 - n]; + } +#else // #ifdef PREFER_POINTERS + + for (n = 0; n < 32; n++) { + // pring_buffer_3 and pring_buffer_4 are needed only for double ring buffer + pring_buffer_1[2 * n] = pring_buffer_3[2 * n] = out_real2[n] - out_real1[n]; + pring_buffer_1[127 - 2 * n] = pring_buffer_3[127 - 2 * n] = out_real2[n] + out_real1[n]; + pring_buffer_1[2 * n + 1] = pring_buffer_3[2 * n + 1] = out_imag2[31 - n] + out_imag1[31 - n]; + pring_buffer_1[127 - (2 * n + 1)] = pring_buffer_3[127 - (2 * n + 1)] = out_imag2[31 - n] - out_imag1[31 - n]; + } + +#endif // #ifdef PREFER_POINTERS + + pring_buffer_1 = qmfs->v + qmfs->v_index; +#ifdef PREFER_POINTERS + pring_buffer_2 = pring_buffer_1 + 192; + pring_buffer_3 = pring_buffer_1 + 256; + pring_buffer_4 = pring_buffer_1 + (256 + 192); + pring_buffer_5 = pring_buffer_1 + 512; + pring_buffer_6 = pring_buffer_1 + (512 + 192); + pring_buffer_7 = pring_buffer_1 + 768; + pring_buffer_8 = pring_buffer_1 + (768 + 192); + pring_buffer_9 = pring_buffer_1 + 1024; + pring_buffer_10 = pring_buffer_1 + (1024 + 192); + pqmf_c_1 = qmf_c; + pqmf_c_2 = qmf_c + 64; + pqmf_c_3 = qmf_c + 128; + pqmf_c_4 = qmf_c + 192; + pqmf_c_5 = qmf_c + 256; + pqmf_c_6 = qmf_c + 320; + pqmf_c_7 = qmf_c + 384; + pqmf_c_8 = qmf_c + 448; + pqmf_c_9 = qmf_c + 512; + pqmf_c_10 = qmf_c + 576; +#endif // #ifdef PREFER_POINTERS + + /* calculate 64 output samples and window */ + for (k = 0; k < 64; k++) { +#ifdef PREFER_POINTERS + output[out++] = + MUL_F(*pring_buffer_1++, *pqmf_c_1++) + + MUL_F(*pring_buffer_2++, *pqmf_c_2++) + + MUL_F(*pring_buffer_3++, *pqmf_c_3++) + + MUL_F(*pring_buffer_4++, *pqmf_c_4++) + + MUL_F(*pring_buffer_5++, *pqmf_c_5++) + + MUL_F(*pring_buffer_6++, *pqmf_c_6++) + + MUL_F(*pring_buffer_7++, *pqmf_c_7++) + + MUL_F(*pring_buffer_8++, *pqmf_c_8++) + + MUL_F(*pring_buffer_9++, *pqmf_c_9++) + + MUL_F(*pring_buffer_10++, *pqmf_c_10++); +#else // #ifdef PREFER_POINTERS + output[out++] = + MUL_F(pring_buffer_1[k + 0], qmf_c[k + 0]) + + MUL_F(pring_buffer_1[k + 192], qmf_c[k + 64]) + + MUL_F(pring_buffer_1[k + 256], qmf_c[k + 128]) + + MUL_F(pring_buffer_1[k + (256 + 192)], qmf_c[k + 192]) + + MUL_F(pring_buffer_1[k + 512], qmf_c[k + 256]) + + MUL_F(pring_buffer_1[k + (512 + 192)], qmf_c[k + 320]) + + MUL_F(pring_buffer_1[k + 768], qmf_c[k + 384]) + + MUL_F(pring_buffer_1[k + (768 + 192)], qmf_c[k + 448]) + + MUL_F(pring_buffer_1[k + 1024], qmf_c[k + 512]) + + MUL_F(pring_buffer_1[k + (1024 + 192)], qmf_c[k + 576]); +#endif // #ifdef PREFER_POINTERS + } + + /* update ringbuffer index */ + qmfs->v_index -= 128; + if (qmfs->v_index < 0) { + qmfs->v_index = (1280 - 128); + } + } +} +#endif + +#endif diff --git a/audio_codec/libfaad/sbr_qmf.h b/audio_codec/libfaad/sbr_qmf.h new file mode 100644 index 0000000..b4b8a8b --- a/dev/null +++ b/audio_codec/libfaad/sbr_qmf.h @@ -0,0 +1,55 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_qmf.h,v 1.25 2007/11/01 12:33:36 menno Exp $ +**/ + +#ifndef __SBR_QMF_H__ +#define __SBR_QMF_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + qmfa_info *qmfa_init(uint8_t channels); + void qmfa_end(qmfa_info *qmfa); + qmfs_info *qmfs_init(uint8_t channels); + void qmfs_end(qmfs_info *qmfs); + + void sbr_qmf_analysis_32(sbr_info *sbr, qmfa_info *qmfa, const real_t *input, + qmf_t X[MAX_NTSRHFG][64], uint8_t offset, uint8_t kx); + void sbr_qmf_synthesis_32(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64], + real_t *output); + void sbr_qmf_synthesis_64(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64], + real_t *output); + + +#ifdef __cplusplus +} +#endif +#endif + diff --git a/audio_codec/libfaad/sbr_qmf_c.h b/audio_codec/libfaad/sbr_qmf_c.h new file mode 100644 index 0000000..e3bfdfd --- a/dev/null +++ b/audio_codec/libfaad/sbr_qmf_c.h @@ -0,0 +1,368 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_qmf_c.h,v 1.17 2007/11/01 12:33:36 menno Exp $ +**/ + +#ifndef __SBR_QMF_C_H__ +#define __SBR_QMF_C_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + +#ifdef _MSC_VER +#pragma warning(disable:4305) +#pragma warning(disable:4244) +#endif + + ALIGN static const real_t qmf_c[640] = { + FRAC_CONST(0), FRAC_CONST(-0.00055252865047), + FRAC_CONST(-0.00056176925738), FRAC_CONST(-0.00049475180896), + FRAC_CONST(-0.00048752279712), FRAC_CONST(-0.00048937912498), + FRAC_CONST(-0.00050407143497), FRAC_CONST(-0.00052265642972), + FRAC_CONST(-0.00054665656337), FRAC_CONST(-0.00056778025613), + FRAC_CONST(-0.00058709304852), FRAC_CONST(-0.00061327473938), + FRAC_CONST(-0.00063124935319), FRAC_CONST(-0.00065403333621), + FRAC_CONST(-0.00067776907764), FRAC_CONST(-0.00069416146273), + FRAC_CONST(-0.00071577364744), FRAC_CONST(-0.00072550431222), + FRAC_CONST(-0.00074409418541), FRAC_CONST(-0.00074905980532), + FRAC_CONST(-0.0007681371927), FRAC_CONST(-0.00077248485949), + FRAC_CONST(-0.00078343322877), FRAC_CONST(-0.00077798694927), + FRAC_CONST(-0.000780366471), FRAC_CONST(-0.00078014496257), + FRAC_CONST(-0.0007757977331), FRAC_CONST(-0.00076307935757), + FRAC_CONST(-0.00075300014201), FRAC_CONST(-0.00073193571525), + FRAC_CONST(-0.00072153919876), FRAC_CONST(-0.00069179375372), + FRAC_CONST(-0.00066504150893), FRAC_CONST(-0.00063415949025), + FRAC_CONST(-0.0005946118933), FRAC_CONST(-0.00055645763906), + FRAC_CONST(-0.00051455722108), FRAC_CONST(-0.00046063254803), + FRAC_CONST(-0.00040951214522), FRAC_CONST(-0.00035011758756), + FRAC_CONST(-0.00028969811748), FRAC_CONST(-0.0002098337344), + FRAC_CONST(-0.00014463809349), FRAC_CONST(-6.173344072E-005), + FRAC_CONST(1.349497418E-005), FRAC_CONST(0.00010943831274), + FRAC_CONST(0.00020430170688), FRAC_CONST(0.00029495311041), + FRAC_CONST(0.0004026540216), FRAC_CONST(0.00051073884952), + FRAC_CONST(0.00062393761391), FRAC_CONST(0.00074580258865), + FRAC_CONST(0.00086084433262), FRAC_CONST(0.00098859883015), + FRAC_CONST(0.00112501551307), FRAC_CONST(0.00125778846475), + FRAC_CONST(0.00139024948272), FRAC_CONST(0.00154432198471), + FRAC_CONST(0.00168680832531), FRAC_CONST(0.00183482654224), + FRAC_CONST(0.00198411407369), FRAC_CONST(0.00214615835557), + FRAC_CONST(0.00230172547746), FRAC_CONST(0.00246256169126), + FRAC_CONST(0.00262017586902), FRAC_CONST(0.00278704643465), + FRAC_CONST(0.00294694477165), FRAC_CONST(0.00311254206525), + FRAC_CONST(0.00327396134847), FRAC_CONST(0.00344188741828), + FRAC_CONST(0.00360082681231), FRAC_CONST(0.00376039229104), + FRAC_CONST(0.00392074323703), FRAC_CONST(0.00408197531935), + FRAC_CONST(0.0042264269227), FRAC_CONST(0.00437307196781), + FRAC_CONST(0.00452098527825), FRAC_CONST(0.00466064606118), + FRAC_CONST(0.00479325608498), FRAC_CONST(0.00491376035745), + FRAC_CONST(0.00503930226013), FRAC_CONST(0.00514073539032), + FRAC_CONST(0.00524611661324), FRAC_CONST(0.00534716811982), + FRAC_CONST(0.00541967759307), FRAC_CONST(0.00548760401507), + FRAC_CONST(0.00554757145088), FRAC_CONST(0.00559380230045), + FRAC_CONST(0.00562206432097), FRAC_CONST(0.00564551969164), + FRAC_CONST(0.00563891995151), FRAC_CONST(0.00562661141932), + FRAC_CONST(0.0055917128663), FRAC_CONST(0.005540436394), + FRAC_CONST(0.0054753783077), FRAC_CONST(0.0053838975897), + FRAC_CONST(0.00527157587272), FRAC_CONST(0.00513822754514), + FRAC_CONST(0.00498396877629), FRAC_CONST(0.004810946906), + FRAC_CONST(0.00460395301471), FRAC_CONST(0.00438018617447), + FRAC_CONST(0.0041251642327), FRAC_CONST(0.00384564081246), + FRAC_CONST(0.00354012465507), FRAC_CONST(0.00320918858098), + FRAC_CONST(0.00284467578623), FRAC_CONST(0.00245085400321), + FRAC_CONST(0.0020274176185), FRAC_CONST(0.00157846825768), + FRAC_CONST(0.00109023290512), FRAC_CONST(0.0005832264248), + FRAC_CONST(2.760451905E-005), FRAC_CONST(-0.00054642808664), + FRAC_CONST(-0.00115681355227), FRAC_CONST(-0.00180394725893), + FRAC_CONST(-0.00248267236449), FRAC_CONST(-0.003193377839), + FRAC_CONST(-0.00394011240522), FRAC_CONST(-0.004722259624), + FRAC_CONST(-0.00553372111088), FRAC_CONST(-0.00637922932685), + FRAC_CONST(-0.00726158168517), FRAC_CONST(-0.00817982333726), + FRAC_CONST(-0.00913253296085), FRAC_CONST(-0.01011502154986), + FRAC_CONST(-0.01113155480321), FRAC_CONST(-0.01218499959508), + FRAC_CONST(0.01327182200351), FRAC_CONST(0.01439046660792), + FRAC_CONST(0.01554055533423), FRAC_CONST(0.01673247129989), + FRAC_CONST(0.01794333813443), FRAC_CONST(0.01918724313698), + FRAC_CONST(0.02045317933555), FRAC_CONST(0.02174675502535), + FRAC_CONST(0.02306801692862), FRAC_CONST(0.02441609920285), + FRAC_CONST(0.02578758475467), FRAC_CONST(0.02718594296329), + FRAC_CONST(0.02860721736385), FRAC_CONST(0.03005026574279), + FRAC_CONST(0.03150176087389), FRAC_CONST(0.03297540810337), + FRAC_CONST(0.03446209487686), FRAC_CONST(0.03596975605542), + FRAC_CONST(0.03748128504252), FRAC_CONST(0.03900536794745), + FRAC_CONST(0.04053491705584), FRAC_CONST(0.04206490946367), + FRAC_CONST(0.04360975421304), FRAC_CONST(0.04514884056413), + FRAC_CONST(0.04668430272642), FRAC_CONST(0.04821657200672), + FRAC_CONST(0.04973857556014), FRAC_CONST(0.05125561555216), + FRAC_CONST(0.05276307465207), FRAC_CONST(0.05424527683589), + FRAC_CONST(0.05571736482138), FRAC_CONST(0.05716164501299), + FRAC_CONST(0.0585915683626), FRAC_CONST(0.05998374801761), + FRAC_CONST(0.06134551717207), FRAC_CONST(0.06268578081172), + FRAC_CONST(0.06397158980681), FRAC_CONST(0.0652247106438), + FRAC_CONST(0.06643675122104), FRAC_CONST(0.06760759851228), + FRAC_CONST(0.06870438283512), FRAC_CONST(0.06976302447127), + FRAC_CONST(0.07076287107266), FRAC_CONST(0.07170026731102), + FRAC_CONST(0.07256825833083), FRAC_CONST(0.07336202550803), + FRAC_CONST(0.07410036424342), FRAC_CONST(0.07474525581194), + FRAC_CONST(0.07531373362019), FRAC_CONST(0.07580083586584), + FRAC_CONST(0.07619924793396), FRAC_CONST(0.07649921704119), + FRAC_CONST(0.07670934904245), FRAC_CONST(0.07681739756964), + FRAC_CONST(0.07682300113923), FRAC_CONST(0.07672049241746), + FRAC_CONST(0.07650507183194), FRAC_CONST(0.07617483218536), + FRAC_CONST(0.07573057565061), FRAC_CONST(0.0751576255287), + FRAC_CONST(0.07446643947564), FRAC_CONST(0.0736406005762), + FRAC_CONST(0.07267746427299), FRAC_CONST(0.07158263647903), + FRAC_CONST(0.07035330735093), FRAC_CONST(0.06896640131951), + FRAC_CONST(0.06745250215166), FRAC_CONST(0.06576906686508), + FRAC_CONST(0.06394448059633), FRAC_CONST(0.06196027790387), + FRAC_CONST(0.0598166570809), FRAC_CONST(0.05751526919867), + FRAC_CONST(0.05504600343009), FRAC_CONST(0.05240938217366), + FRAC_CONST(0.04959786763445), FRAC_CONST(0.04663033051701), + FRAC_CONST(0.04347687821958), FRAC_CONST(0.04014582784127), + FRAC_CONST(0.03664181168133), FRAC_CONST(0.03295839306691), + FRAC_CONST(0.02908240060125), FRAC_CONST(0.02503075618909), + FRAC_CONST(0.02079970728622), FRAC_CONST(0.01637012582228), + FRAC_CONST(0.01176238327857), FRAC_CONST(0.00696368621617), + FRAC_CONST(0.00197656014503), FRAC_CONST(-0.00320868968304), + FRAC_CONST(-0.00857117491366), FRAC_CONST(-0.01412888273558), + FRAC_CONST(-0.01988341292573), FRAC_CONST(-0.02582272888064), + FRAC_CONST(-0.03195312745332), FRAC_CONST(-0.03827765720822), + FRAC_CONST(-0.04478068215856), FRAC_CONST(-0.05148041767934), + FRAC_CONST(-0.05837053268336), FRAC_CONST(-0.06544098531359), + FRAC_CONST(-0.07269433008129), FRAC_CONST(-0.08013729344279), + FRAC_CONST(-0.08775475365593), FRAC_CONST(-0.09555333528914), + FRAC_CONST(-0.10353295311463), FRAC_CONST(-0.1116826931773), + FRAC_CONST(-0.120007798468), FRAC_CONST(-0.12850028503878), + FRAC_CONST(-0.13715517611934), FRAC_CONST(-0.1459766491187), + FRAC_CONST(-0.15496070710605), FRAC_CONST(-0.16409588556669), + FRAC_CONST(-0.17338081721706), FRAC_CONST(-0.18281725485142), + FRAC_CONST(-0.19239667457267), FRAC_CONST(-0.20212501768103), + FRAC_CONST(-0.21197358538056), FRAC_CONST(-0.22196526964149), + FRAC_CONST(-0.23206908706791), FRAC_CONST(-0.24230168845974), + FRAC_CONST(-0.25264803095722), FRAC_CONST(-0.26310532994603), + FRAC_CONST(-0.27366340405625), FRAC_CONST(-0.28432141891085), + FRAC_CONST(-0.29507167170646), FRAC_CONST(-0.30590985751916), + FRAC_CONST(-0.31682789136456), FRAC_CONST(-0.32781137272105), + FRAC_CONST(-0.33887226938665), FRAC_CONST(-0.3499914122931), + FRAC_CONST(0.36115899031355), FRAC_CONST(0.37237955463061), + FRAC_CONST(0.38363500139043), FRAC_CONST(0.39492117615675), + FRAC_CONST(0.40623176767625), FRAC_CONST(0.41756968968409), + FRAC_CONST(0.42891199207373), FRAC_CONST(0.44025537543665), + FRAC_CONST(0.45159965356824), FRAC_CONST(0.46293080852757), + FRAC_CONST(0.47424532146115), FRAC_CONST(0.48552530911099), + FRAC_CONST(0.49677082545707), FRAC_CONST(0.50798175000434), + FRAC_CONST(0.51912349702391), FRAC_CONST(0.53022408956855), + FRAC_CONST(0.54125534487322), FRAC_CONST(0.55220512585061), + FRAC_CONST(0.5630789140137), FRAC_CONST(0.57385241316923), + FRAC_CONST(0.58454032354679), FRAC_CONST(0.59511230862496), + FRAC_CONST(0.6055783538918), FRAC_CONST(0.61591099320291), + FRAC_CONST(0.62612426956055), FRAC_CONST(0.63619801077286), + FRAC_CONST(0.64612696959461), FRAC_CONST(0.65590163024671), + FRAC_CONST(0.66551398801627), FRAC_CONST(0.67496631901712), + FRAC_CONST(0.68423532934598), FRAC_CONST(0.69332823767032), + FRAC_CONST(0.70223887193539), FRAC_CONST(0.71094104263095), + FRAC_CONST(0.71944626349561), FRAC_CONST(0.72774489002994), + FRAC_CONST(0.73582117582769), FRAC_CONST(0.74368278636488), + FRAC_CONST(0.75131374561237), FRAC_CONST(0.75870807608242), + FRAC_CONST(0.76586748650939), FRAC_CONST(0.77277808813327), + FRAC_CONST(0.77942875190216), FRAC_CONST(0.7858353120392), + FRAC_CONST(0.79197358416424), FRAC_CONST(0.797846641377), + FRAC_CONST(0.80344857518505), FRAC_CONST(0.80876950044491), + FRAC_CONST(0.81381912706217), FRAC_CONST(0.81857760046468), + FRAC_CONST(0.82304198905409), FRAC_CONST(0.8272275347336), + FRAC_CONST(0.8311038457152), FRAC_CONST(0.83469373618402), + FRAC_CONST(0.83797173378865), FRAC_CONST(0.84095413924722), + FRAC_CONST(0.84362382812005), FRAC_CONST(0.84598184698206), + FRAC_CONST(0.84803157770763), FRAC_CONST(0.84978051984268), + FRAC_CONST(0.85119715249343), FRAC_CONST(0.85230470352147), + FRAC_CONST(0.85310209497017), FRAC_CONST(0.85357205739107), + FRAC_CONST(0.85373856005937 /*max*/), FRAC_CONST(0.85357205739107), + FRAC_CONST(0.85310209497017), FRAC_CONST(0.85230470352147), + FRAC_CONST(0.85119715249343), FRAC_CONST(0.84978051984268), + FRAC_CONST(0.84803157770763), FRAC_CONST(0.84598184698206), + FRAC_CONST(0.84362382812005), FRAC_CONST(0.84095413924722), + FRAC_CONST(0.83797173378865), FRAC_CONST(0.83469373618402), + FRAC_CONST(0.8311038457152), FRAC_CONST(0.8272275347336), + FRAC_CONST(0.82304198905409), FRAC_CONST(0.81857760046468), + FRAC_CONST(0.81381912706217), FRAC_CONST(0.80876950044491), + FRAC_CONST(0.80344857518505), FRAC_CONST(0.797846641377), + FRAC_CONST(0.79197358416424), FRAC_CONST(0.7858353120392), + FRAC_CONST(0.77942875190216), FRAC_CONST(0.77277808813327), + FRAC_CONST(0.76586748650939), FRAC_CONST(0.75870807608242), + FRAC_CONST(0.75131374561237), FRAC_CONST(0.74368278636488), + FRAC_CONST(0.73582117582769), FRAC_CONST(0.72774489002994), + FRAC_CONST(0.71944626349561), FRAC_CONST(0.71094104263095), + FRAC_CONST(0.70223887193539), FRAC_CONST(0.69332823767032), + FRAC_CONST(0.68423532934598), FRAC_CONST(0.67496631901712), + FRAC_CONST(0.66551398801627), FRAC_CONST(0.65590163024671), + FRAC_CONST(0.64612696959461), FRAC_CONST(0.63619801077286), + FRAC_CONST(0.62612426956055), FRAC_CONST(0.61591099320291), + FRAC_CONST(0.6055783538918), FRAC_CONST(0.59511230862496), + FRAC_CONST(0.58454032354679), FRAC_CONST(0.57385241316923), + FRAC_CONST(0.5630789140137), FRAC_CONST(0.55220512585061), + FRAC_CONST(0.54125534487322), FRAC_CONST(0.53022408956855), + FRAC_CONST(0.51912349702391), FRAC_CONST(0.50798175000434), + FRAC_CONST(0.49677082545707), FRAC_CONST(0.48552530911099), + FRAC_CONST(0.47424532146115), FRAC_CONST(0.46293080852757), + FRAC_CONST(0.45159965356824), FRAC_CONST(0.44025537543665), + FRAC_CONST(0.42891199207373), FRAC_CONST(0.41756968968409), + FRAC_CONST(0.40623176767625), FRAC_CONST(0.39492117615675), + FRAC_CONST(0.38363500139043), FRAC_CONST(0.37237955463061), + FRAC_CONST(-0.36115899031355), FRAC_CONST(-0.3499914122931), + FRAC_CONST(-0.33887226938665), FRAC_CONST(-0.32781137272105), + FRAC_CONST(-0.31682789136456), FRAC_CONST(-0.30590985751916), + FRAC_CONST(-0.29507167170646), FRAC_CONST(-0.28432141891085), + FRAC_CONST(-0.27366340405625), FRAC_CONST(-0.26310532994603), + FRAC_CONST(-0.25264803095722), FRAC_CONST(-0.24230168845974), + FRAC_CONST(-0.23206908706791), FRAC_CONST(-0.22196526964149), + FRAC_CONST(-0.21197358538056), FRAC_CONST(-0.20212501768103), + FRAC_CONST(-0.19239667457267), FRAC_CONST(-0.18281725485142), + FRAC_CONST(-0.17338081721706), FRAC_CONST(-0.16409588556669), + FRAC_CONST(-0.15496070710605), FRAC_CONST(-0.1459766491187), + FRAC_CONST(-0.13715517611934), FRAC_CONST(-0.12850028503878), + FRAC_CONST(-0.120007798468), FRAC_CONST(-0.1116826931773), + FRAC_CONST(-0.10353295311463), FRAC_CONST(-0.09555333528914), + FRAC_CONST(-0.08775475365593), FRAC_CONST(-0.08013729344279), + FRAC_CONST(-0.07269433008129), FRAC_CONST(-0.06544098531359), + FRAC_CONST(-0.05837053268336), FRAC_CONST(-0.05148041767934), + FRAC_CONST(-0.04478068215856), FRAC_CONST(-0.03827765720822), + FRAC_CONST(-0.03195312745332), FRAC_CONST(-0.02582272888064), + FRAC_CONST(-0.01988341292573), FRAC_CONST(-0.01412888273558), + FRAC_CONST(-0.00857117491366), FRAC_CONST(-0.00320868968304), + FRAC_CONST(0.00197656014503), FRAC_CONST(0.00696368621617), + FRAC_CONST(0.01176238327857), FRAC_CONST(0.01637012582228), + FRAC_CONST(0.02079970728622), FRAC_CONST(0.02503075618909), + FRAC_CONST(0.02908240060125), FRAC_CONST(0.03295839306691), + FRAC_CONST(0.03664181168133), FRAC_CONST(0.04014582784127), + FRAC_CONST(0.04347687821958), FRAC_CONST(0.04663033051701), + FRAC_CONST(0.04959786763445), FRAC_CONST(0.05240938217366), + FRAC_CONST(0.05504600343009), FRAC_CONST(0.05751526919867), + FRAC_CONST(0.0598166570809), FRAC_CONST(0.06196027790387), + FRAC_CONST(0.06394448059633), FRAC_CONST(0.06576906686508), + FRAC_CONST(0.06745250215166), FRAC_CONST(0.06896640131951), + FRAC_CONST(0.07035330735093), FRAC_CONST(0.07158263647903), + FRAC_CONST(0.07267746427299), FRAC_CONST(0.0736406005762), + FRAC_CONST(0.07446643947564), FRAC_CONST(0.0751576255287), + FRAC_CONST(0.07573057565061), FRAC_CONST(0.07617483218536), + FRAC_CONST(0.07650507183194), FRAC_CONST(0.07672049241746), + FRAC_CONST(0.07682300113923), FRAC_CONST(0.07681739756964), + FRAC_CONST(0.07670934904245), FRAC_CONST(0.07649921704119), + FRAC_CONST(0.07619924793396), FRAC_CONST(0.07580083586584), + FRAC_CONST(0.07531373362019), FRAC_CONST(0.07474525581194), + FRAC_CONST(0.07410036424342), FRAC_CONST(0.07336202550803), + FRAC_CONST(0.07256825833083), FRAC_CONST(0.07170026731102), + FRAC_CONST(0.07076287107266), FRAC_CONST(0.06976302447127), + FRAC_CONST(0.06870438283512), FRAC_CONST(0.06760759851228), + FRAC_CONST(0.06643675122104), FRAC_CONST(0.0652247106438), + FRAC_CONST(0.06397158980681), FRAC_CONST(0.06268578081172), + FRAC_CONST(0.06134551717207), FRAC_CONST(0.05998374801761), + FRAC_CONST(0.0585915683626), FRAC_CONST(0.05716164501299), + FRAC_CONST(0.05571736482138), FRAC_CONST(0.05424527683589), + FRAC_CONST(0.05276307465207), FRAC_CONST(0.05125561555216), + FRAC_CONST(0.04973857556014), FRAC_CONST(0.04821657200672), + FRAC_CONST(0.04668430272642), FRAC_CONST(0.04514884056413), + FRAC_CONST(0.04360975421304), FRAC_CONST(0.04206490946367), + FRAC_CONST(0.04053491705584), FRAC_CONST(0.03900536794745), + FRAC_CONST(0.03748128504252), FRAC_CONST(0.03596975605542), + FRAC_CONST(0.03446209487686), FRAC_CONST(0.03297540810337), + FRAC_CONST(0.03150176087389), FRAC_CONST(0.03005026574279), + FRAC_CONST(0.02860721736385), FRAC_CONST(0.02718594296329), + FRAC_CONST(0.02578758475467), FRAC_CONST(0.02441609920285), + FRAC_CONST(0.02306801692862), FRAC_CONST(0.02174675502535), + FRAC_CONST(0.02045317933555), FRAC_CONST(0.01918724313698), + FRAC_CONST(0.01794333813443), FRAC_CONST(0.01673247129989), + FRAC_CONST(0.01554055533423), FRAC_CONST(0.01439046660792), + FRAC_CONST(-0.01327182200351), FRAC_CONST(-0.01218499959508), + FRAC_CONST(-0.01113155480321), FRAC_CONST(-0.01011502154986), + FRAC_CONST(-0.00913253296085), FRAC_CONST(-0.00817982333726), + FRAC_CONST(-0.00726158168517), FRAC_CONST(-0.00637922932685), + FRAC_CONST(-0.00553372111088), FRAC_CONST(-0.004722259624), + FRAC_CONST(-0.00394011240522), FRAC_CONST(-0.003193377839), + FRAC_CONST(-0.00248267236449), FRAC_CONST(-0.00180394725893), + FRAC_CONST(-0.00115681355227), FRAC_CONST(-0.00054642808664), + FRAC_CONST(2.760451905E-005), FRAC_CONST(0.0005832264248), + FRAC_CONST(0.00109023290512), FRAC_CONST(0.00157846825768), + FRAC_CONST(0.0020274176185), FRAC_CONST(0.00245085400321), + FRAC_CONST(0.00284467578623), FRAC_CONST(0.00320918858098), + FRAC_CONST(0.00354012465507), FRAC_CONST(0.00384564081246), + FRAC_CONST(0.0041251642327), FRAC_CONST(0.00438018617447), + FRAC_CONST(0.00460395301471), FRAC_CONST(0.004810946906), + FRAC_CONST(0.00498396877629), FRAC_CONST(0.00513822754514), + FRAC_CONST(0.00527157587272), FRAC_CONST(0.0053838975897), + FRAC_CONST(0.0054753783077), FRAC_CONST(0.005540436394), + FRAC_CONST(0.0055917128663), FRAC_CONST(0.00562661141932), + FRAC_CONST(0.00563891995151), FRAC_CONST(0.00564551969164), + FRAC_CONST(0.00562206432097), FRAC_CONST(0.00559380230045), + FRAC_CONST(0.00554757145088), FRAC_CONST(0.00548760401507), + FRAC_CONST(0.00541967759307), FRAC_CONST(0.00534716811982), + FRAC_CONST(0.00524611661324), FRAC_CONST(0.00514073539032), + FRAC_CONST(0.00503930226013), FRAC_CONST(0.00491376035745), + FRAC_CONST(0.00479325608498), FRAC_CONST(0.00466064606118), + FRAC_CONST(0.00452098527825), FRAC_CONST(0.00437307196781), + FRAC_CONST(0.0042264269227), FRAC_CONST(0.00408197531935), + FRAC_CONST(0.00392074323703), FRAC_CONST(0.00376039229104), + FRAC_CONST(0.00360082681231), FRAC_CONST(0.00344188741828), + FRAC_CONST(0.00327396134847), FRAC_CONST(0.00311254206525), + FRAC_CONST(0.00294694477165), FRAC_CONST(0.00278704643465), + FRAC_CONST(0.00262017586902), FRAC_CONST(0.00246256169126), + FRAC_CONST(0.00230172547746), FRAC_CONST(0.00214615835557), + FRAC_CONST(0.00198411407369), FRAC_CONST(0.00183482654224), + FRAC_CONST(0.00168680832531), FRAC_CONST(0.00154432198471), + FRAC_CONST(0.00139024948272), FRAC_CONST(0.00125778846475), + FRAC_CONST(0.00112501551307), FRAC_CONST(0.00098859883015), + FRAC_CONST(0.00086084433262), FRAC_CONST(0.00074580258865), + FRAC_CONST(0.00062393761391), FRAC_CONST(0.00051073884952), + FRAC_CONST(0.0004026540216), FRAC_CONST(0.00029495311041), + FRAC_CONST(0.00020430170688), FRAC_CONST(0.00010943831274), + FRAC_CONST(1.349497418E-005), FRAC_CONST(-6.173344072E-005), + FRAC_CONST(-0.00014463809349), FRAC_CONST(-0.0002098337344), + FRAC_CONST(-0.00028969811748), FRAC_CONST(-0.00035011758756), + FRAC_CONST(-0.00040951214522), FRAC_CONST(-0.00046063254803), + FRAC_CONST(-0.00051455722108), FRAC_CONST(-0.00055645763906), + FRAC_CONST(-0.0005946118933), FRAC_CONST(-0.00063415949025), + FRAC_CONST(-0.00066504150893), FRAC_CONST(-0.00069179375372), + FRAC_CONST(-0.00072153919876), FRAC_CONST(-0.00073193571525), + FRAC_CONST(-0.00075300014201), FRAC_CONST(-0.00076307935757), + FRAC_CONST(-0.0007757977331), FRAC_CONST(-0.00078014496257), + FRAC_CONST(-0.000780366471), FRAC_CONST(-0.00077798694927), + FRAC_CONST(-0.00078343322877), FRAC_CONST(-0.00077248485949), + FRAC_CONST(-0.0007681371927), FRAC_CONST(-0.00074905980532), + FRAC_CONST(-0.00074409418541), FRAC_CONST(-0.00072550431222), + FRAC_CONST(-0.00071577364744), FRAC_CONST(-0.00069416146273), + FRAC_CONST(-0.00067776907764), FRAC_CONST(-0.00065403333621), + FRAC_CONST(-0.00063124935319), FRAC_CONST(-0.00061327473938), + FRAC_CONST(-0.00058709304852), FRAC_CONST(-0.00056778025613), + FRAC_CONST(-0.00054665656337), FRAC_CONST(-0.00052265642972), + FRAC_CONST(-0.00050407143497), FRAC_CONST(-0.00048937912498), + FRAC_CONST(-0.00048752279712), FRAC_CONST(-0.00049475180896), + FRAC_CONST(-0.00056176925738), FRAC_CONST(-0.00055252865047) + }; + +#endif + diff --git a/audio_codec/libfaad/sbr_syntax.c b/audio_codec/libfaad/sbr_syntax.c new file mode 100644 index 0000000..833c917 --- a/dev/null +++ b/audio_codec/libfaad/sbr_syntax.c @@ -0,0 +1,893 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_syntax.c,v 1.39 2009/01/26 22:32:31 menno Exp $ +**/ + +#include +#include +#include +#include + +#include "common.h" +#include "structs.h" + +#ifdef SBR_DEC + +#include "sbr_syntax.h" +#include "syntax.h" +#include "sbr_huff.h" +#include "sbr_fbt.h" +#include "sbr_tf_grid.h" +#include "sbr_e_nf.h" +#include "bits.h" +#ifdef PS_DEC +#include "ps_dec.h" +#endif +#ifdef DRM_PS +#include "drm_dec.h" +#endif +#include "analysis.h" + +/* static function declarations */ +/* static function declarations */ +static void sbr_header(bitfile *ld, sbr_info *sbr); +static uint8_t calc_sbr_tables(sbr_info *sbr, uint8_t start_freq, uint8_t stop_freq, + uint8_t samplerate_mode, uint8_t freq_scale, + uint8_t alter_scale, uint8_t xover_band); +static uint8_t sbr_data(bitfile *ld, sbr_info *sbr); +static uint16_t sbr_extension(bitfile *ld, sbr_info *sbr, + uint8_t bs_extension_id, uint16_t num_bits_left); +static uint8_t sbr_single_channel_element(bitfile *ld, sbr_info *sbr); +static uint8_t sbr_channel_pair_element(bitfile *ld, sbr_info *sbr); +static uint8_t sbr_grid(bitfile *ld, sbr_info *sbr, uint8_t ch); +static void sbr_dtdf(bitfile *ld, sbr_info *sbr, uint8_t ch); +static void invf_mode(bitfile *ld, sbr_info *sbr, uint8_t ch); +static void sinusoidal_coding(bitfile *ld, sbr_info *sbr, uint8_t ch); + + +static void sbr_reset(sbr_info *sbr) +{ +#if 0 + printf("%d\n", sbr->bs_start_freq_prev); + printf("%d\n", sbr->bs_stop_freq_prev); + printf("%d\n", sbr->bs_freq_scale_prev); + printf("%d\n", sbr->bs_alter_scale_prev); + printf("%d\n", sbr->bs_xover_band_prev); + printf("%d\n\n", sbr->bs_noise_bands_prev); +#endif + + /* if these are different from the previous frame: Reset = 1 */ + if ((sbr->bs_start_freq != sbr->bs_start_freq_prev) || + (sbr->bs_stop_freq != sbr->bs_stop_freq_prev) || + (sbr->bs_freq_scale != sbr->bs_freq_scale_prev) || + (sbr->bs_alter_scale != sbr->bs_alter_scale_prev) || + (sbr->bs_xover_band != sbr->bs_xover_band_prev) || + (sbr->bs_noise_bands != sbr->bs_noise_bands_prev)) { + sbr->Reset = 1; + } else { + sbr->Reset = 0; + } + + sbr->bs_start_freq_prev = sbr->bs_start_freq; + sbr->bs_stop_freq_prev = sbr->bs_stop_freq; + sbr->bs_freq_scale_prev = sbr->bs_freq_scale; + sbr->bs_alter_scale_prev = sbr->bs_alter_scale; + sbr->bs_xover_band_prev = sbr->bs_xover_band; + sbr->bs_noise_bands_prev = sbr->bs_noise_bands; +} + +static uint8_t calc_sbr_tables(sbr_info *sbr, uint8_t start_freq, uint8_t stop_freq, + uint8_t samplerate_mode, uint8_t freq_scale, + uint8_t alter_scale, uint8_t xover_band) +{ + uint8_t result = 0; + uint8_t k2; + + /* calculate the Master Frequency Table */ + sbr->k0 = qmf_start_channel(start_freq, samplerate_mode, sbr->sample_rate); + k2 = qmf_stop_channel(stop_freq, sbr->sample_rate, sbr->k0); + + /* check k0 and k2 */ + if (sbr->sample_rate >= 48000) { + if ((k2 - sbr->k0) > 32) { + result += 1; + } + } else if (sbr->sample_rate <= 32000) { + if ((k2 - sbr->k0) > 48) { + result += 1; + } + } else { /* (sbr->sample_rate == 44100) */ + if ((k2 - sbr->k0) > 45) { + result += 1; + } + } + + if (freq_scale == 0) { + result += master_frequency_table_fs0(sbr, sbr->k0, k2, alter_scale); + } else { + result += master_frequency_table(sbr, sbr->k0, k2, freq_scale, alter_scale); + } + result += derived_frequency_table(sbr, xover_band, k2); + + result = (result > 0) ? 1 : 0; + + return result; +} + +/* table 2 */ +uint8_t sbr_extension_data(bitfile *ld, sbr_info *sbr, uint16_t cnt, + uint8_t psResetFlag) +{ + uint8_t result = 0; + uint16_t num_align_bits = 0; + uint16_t num_sbr_bits1 = (uint16_t)faad_get_processed_bits(ld); + uint16_t num_sbr_bits2; + + uint8_t saved_start_freq, saved_samplerate_mode; + uint8_t saved_stop_freq, saved_freq_scale; + uint8_t saved_alter_scale, saved_xover_band; + +#if (defined(PS_DEC) || defined(DRM_PS)) + if (psResetFlag) { + sbr->psResetFlag = psResetFlag; + } +#endif + +#ifdef DRM + if (!sbr->Is_DRM_SBR) +#endif + { + uint8_t bs_extension_type = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 198, "sbr_bitstream(): bs_extension_type")); + + if (bs_extension_type == EXT_SBR_DATA_CRC) { + sbr->bs_sbr_crc_bits = (uint16_t)faad_getbits(ld, 10 + DEBUGVAR(1, 199, "sbr_bitstream(): bs_sbr_crc_bits")); + } + } + + /* save old header values, in case the new ones are corrupted */ + saved_start_freq = sbr->bs_start_freq; + saved_samplerate_mode = sbr->bs_samplerate_mode; + saved_stop_freq = sbr->bs_stop_freq; + saved_freq_scale = sbr->bs_freq_scale; + saved_alter_scale = sbr->bs_alter_scale; + saved_xover_band = sbr->bs_xover_band; + + sbr->bs_header_flag = faad_get1bit(ld + DEBUGVAR(1, 200, "sbr_bitstream(): bs_header_flag")); + + if (sbr->bs_header_flag) { + sbr_header(ld, sbr); + } + + /* Reset? */ + sbr_reset(sbr); + + /* first frame should have a header */ + //if (!(sbr->frame == 0 && sbr->bs_header_flag == 0)) + if (sbr->header_count != 0) { + if (sbr->Reset || (sbr->bs_header_flag && sbr->just_seeked)) { + uint8_t rt = calc_sbr_tables(sbr, sbr->bs_start_freq, sbr->bs_stop_freq, + sbr->bs_samplerate_mode, sbr->bs_freq_scale, + sbr->bs_alter_scale, sbr->bs_xover_band); + + /* if an error occured with the new header values revert to the old ones */ + if (rt > 0) { + calc_sbr_tables(sbr, saved_start_freq, saved_stop_freq, + saved_samplerate_mode, saved_freq_scale, + saved_alter_scale, saved_xover_band); + } + } + + if (result == 0) { + result = sbr_data(ld, sbr); + + /* sbr_data() returning an error means that there was an error in + envelope_time_border_vector(). + In this case the old time border vector is saved and all the previous + data normally read after sbr_grid() is saved. + */ + /* to be on the safe side, calculate old sbr tables in case of error */ + if ((result > 0) && + (sbr->Reset || (sbr->bs_header_flag && sbr->just_seeked))) { + calc_sbr_tables(sbr, saved_start_freq, saved_stop_freq, + saved_samplerate_mode, saved_freq_scale, + saved_alter_scale, saved_xover_band); + } + + /* we should be able to safely set result to 0 now, */ + /* but practise indicates this doesn't work well */ + } + } else { + result = 1; + } + + num_sbr_bits2 = (uint16_t)faad_get_processed_bits(ld) - num_sbr_bits1; + + /* check if we read more bits then were available for sbr */ + if (8 * cnt < num_sbr_bits2) { + faad_resetbits(ld, num_sbr_bits1 + 8 * cnt); + num_sbr_bits2 = 8 * cnt; + +#ifdef PS_DEC + /* turn off PS for the unfortunate case that we randomly read some + * PS data that looks correct */ + sbr->ps_used = 0; +#endif + + /* Make sure it doesn't decode SBR in this frame, or we'll get glitches */ + return 1; + } + +#ifdef DRM + if (!sbr->Is_DRM_SBR) +#endif + { + /* -4 does not apply, bs_extension_type is re-read in this function */ + num_align_bits = 8 * cnt /*- 4*/ - num_sbr_bits2; + + while (num_align_bits > 7) { + faad_getbits(ld, 8 + DEBUGVAR(1, 999, "sbr_bitstream(): num_align_bits")); + num_align_bits -= 8; + } + faad_getbits(ld, num_align_bits + DEBUGVAR(1, 999, "sbr_bitstream(): num_align_bits")); + } + + return result; +} + +/* table 3 */ +static void sbr_header(bitfile *ld, sbr_info *sbr) +{ + uint8_t bs_header_extra_1, bs_header_extra_2; + + sbr->header_count++; + + sbr->bs_amp_res = faad_get1bit(ld + DEBUGVAR(1, 203, "sbr_header(): bs_amp_res")); + + /* bs_start_freq and bs_stop_freq must define a fequency band that does + not exceed 48 channels */ + sbr->bs_start_freq = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 204, "sbr_header(): bs_start_freq")); + sbr->bs_stop_freq = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 205, "sbr_header(): bs_stop_freq")); + sbr->bs_xover_band = (uint8_t)faad_getbits(ld, 3 + DEBUGVAR(1, 206, "sbr_header(): bs_xover_band")); + faad_getbits(ld, 2 + DEBUGVAR(1, 207, "sbr_header(): bs_reserved_bits_hdr")); + bs_header_extra_1 = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 208, "sbr_header(): bs_header_extra_1")); + bs_header_extra_2 = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 209, "sbr_header(): bs_header_extra_2")); + + if (bs_header_extra_1) { + sbr->bs_freq_scale = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 211, "sbr_header(): bs_freq_scale")); + sbr->bs_alter_scale = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 212, "sbr_header(): bs_alter_scale")); + sbr->bs_noise_bands = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 213, "sbr_header(): bs_noise_bands")); + } else { + /* Default values */ + sbr->bs_freq_scale = 2; + sbr->bs_alter_scale = 1; + sbr->bs_noise_bands = 2; + } + + if (bs_header_extra_2) { + sbr->bs_limiter_bands = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 214, "sbr_header(): bs_limiter_bands")); + sbr->bs_limiter_gains = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 215, "sbr_header(): bs_limiter_gains")); + sbr->bs_interpol_freq = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 216, "sbr_header(): bs_interpol_freq")); + sbr->bs_smoothing_mode = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 217, "sbr_header(): bs_smoothing_mode")); + } else { + /* Default values */ + sbr->bs_limiter_bands = 2; + sbr->bs_limiter_gains = 2; + sbr->bs_interpol_freq = 1; + sbr->bs_smoothing_mode = 1; + } + +#if 0 + /* print the header to screen */ + printf("bs_amp_res: %d\n", sbr->bs_amp_res); + printf("bs_start_freq: %d\n", sbr->bs_start_freq); + printf("bs_stop_freq: %d\n", sbr->bs_stop_freq); + printf("bs_xover_band: %d\n", sbr->bs_xover_band); + if (bs_header_extra_1) { + printf("bs_freq_scale: %d\n", sbr->bs_freq_scale); + printf("bs_alter_scale: %d\n", sbr->bs_alter_scale); + printf("bs_noise_bands: %d\n", sbr->bs_noise_bands); + } + if (bs_header_extra_2) { + printf("bs_limiter_bands: %d\n", sbr->bs_limiter_bands); + printf("bs_limiter_gains: %d\n", sbr->bs_limiter_gains); + printf("bs_interpol_freq: %d\n", sbr->bs_interpol_freq); + printf("bs_smoothing_mode: %d\n", sbr->bs_smoothing_mode); + } + printf("\n"); +#endif +} + +/* table 4 */ +static uint8_t sbr_data(bitfile *ld, sbr_info *sbr) +{ + uint8_t result; +#if 0 + sbr->bs_samplerate_mode = faad_get1bit(ld + DEBUGVAR(1, 219, "sbr_data(): bs_samplerate_mode")); +#endif + + sbr->rate = (sbr->bs_samplerate_mode) ? 2 : 1; + + switch (sbr->id_aac) { + case ID_SCE: + if ((result = sbr_single_channel_element(ld, sbr)) > 0) { + return result; + } + break; + case ID_CPE: + if ((result = sbr_channel_pair_element(ld, sbr)) > 0) { + return result; + } + break; + } + + return 0; +} + +/* table 5 */ +static uint8_t sbr_single_channel_element(bitfile *ld, sbr_info *sbr) +{ + uint8_t result; + + if (faad_get1bit(ld + DEBUGVAR(1, 220, "sbr_single_channel_element(): bs_data_extra"))) { + faad_getbits(ld, 4 + DEBUGVAR(1, 221, "sbr_single_channel_element(): bs_reserved_bits_data")); + } + +#ifdef DRM + /* bs_coupling, from sbr_channel_pair_base_element(bs_amp_res) */ + if (sbr->Is_DRM_SBR) { + faad_get1bit(ld); + } +#endif + + if ((result = sbr_grid(ld, sbr, 0)) > 0) { + return result; + } + + sbr_dtdf(ld, sbr, 0); + invf_mode(ld, sbr, 0); + sbr_envelope(ld, sbr, 0); + sbr_noise(ld, sbr, 0); + +#ifndef FIXED_POINT + envelope_noise_dequantisation(sbr, 0); +#endif + + memset(sbr->bs_add_harmonic[0], 0, 64 * sizeof(uint8_t)); + + sbr->bs_add_harmonic_flag[0] = faad_get1bit(ld + DEBUGVAR(1, 223, "sbr_single_channel_element(): bs_add_harmonic_flag[0]")); + if (sbr->bs_add_harmonic_flag[0]) { + sinusoidal_coding(ld, sbr, 0); + } + + sbr->bs_extended_data = faad_get1bit(ld + DEBUGVAR(1, 224, "sbr_single_channel_element(): bs_extended_data[0]")); + + if (sbr->bs_extended_data) { + uint16_t nr_bits_left; +#if (defined(PS_DEC) || defined(DRM_PS)) + uint8_t ps_ext_read = 0; +#endif + uint16_t cnt = (uint16_t)faad_getbits(ld, 4 + DEBUGVAR(1, 225, "sbr_single_channel_element(): bs_extension_size")); + if (cnt == 15) { + cnt += (uint16_t)faad_getbits(ld, 8 + DEBUGVAR(1, 226, "sbr_single_channel_element(): bs_esc_count")); + } + + nr_bits_left = 8 * cnt; + while (nr_bits_left > 7) { + uint16_t tmp_nr_bits = 0; + + sbr->bs_extension_id = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 227, "sbr_single_channel_element(): bs_extension_id")); + tmp_nr_bits += 2; + + /* allow only 1 PS extension element per extension data */ +#if (defined(PS_DEC) || defined(DRM_PS)) +#if (defined(PS_DEC) && defined(DRM_PS)) + if (sbr->bs_extension_id == EXTENSION_ID_PS || sbr->bs_extension_id == DRM_PARAMETRIC_STEREO) +#else +#ifdef PS_DEC + if (sbr->bs_extension_id == EXTENSION_ID_PS) +#else +#ifdef DRM_PS + if (sbr->bs_extension_id == DRM_PARAMETRIC_STEREO) +#endif +#endif +#endif + { + if (ps_ext_read == 0) { + ps_ext_read = 1; + } else { + /* to be safe make it 3, will switch to "default" + * in sbr_extension() */ +#ifdef DRM + return 1; +#else + sbr->bs_extension_id = 3; +#endif + } + } +#endif + + tmp_nr_bits += sbr_extension(ld, sbr, sbr->bs_extension_id, nr_bits_left); + + /* check if the data read is bigger than the number of available bits */ + if (tmp_nr_bits > nr_bits_left) { + return 1; + } + + nr_bits_left -= tmp_nr_bits; + } + + /* Corrigendum */ + if (nr_bits_left > 0) { + faad_getbits(ld, nr_bits_left + DEBUGVAR(1, 280, "sbr_single_channel_element(): nr_bits_left")); + } + } + + return 0; +} + +/* table 6 */ +static uint8_t sbr_channel_pair_element(bitfile *ld, sbr_info *sbr) +{ + uint8_t n, result; + + if (faad_get1bit(ld + DEBUGVAR(1, 228, "sbr_single_channel_element(): bs_data_extra"))) { + faad_getbits(ld, 4 + DEBUGVAR(1, 228, "sbr_channel_pair_element(): bs_reserved_bits_data")); + faad_getbits(ld, 4 + DEBUGVAR(1, 228, "sbr_channel_pair_element(): bs_reserved_bits_data")); + } + + sbr->bs_coupling = faad_get1bit(ld + DEBUGVAR(1, 228, "sbr_channel_pair_element(): bs_coupling")); + + if (sbr->bs_coupling) { + if ((result = sbr_grid(ld, sbr, 0)) > 0) { + return result; + } + + /* need to copy some data from left to right */ + sbr->bs_frame_class[1] = sbr->bs_frame_class[0]; + sbr->L_E[1] = sbr->L_E[0]; + sbr->L_Q[1] = sbr->L_Q[0]; + sbr->bs_pointer[1] = sbr->bs_pointer[0]; + + for (n = 0; n <= sbr->L_E[0]; n++) { + sbr->t_E[1][n] = sbr->t_E[0][n]; + sbr->f[1][n] = sbr->f[0][n]; + } + for (n = 0; n <= sbr->L_Q[0]; n++) { + sbr->t_Q[1][n] = sbr->t_Q[0][n]; + } + + sbr_dtdf(ld, sbr, 0); + sbr_dtdf(ld, sbr, 1); + invf_mode(ld, sbr, 0); + + /* more copying */ + for (n = 0; n < sbr->N_Q; n++) { + sbr->bs_invf_mode[1][n] = sbr->bs_invf_mode[0][n]; + } + + sbr_envelope(ld, sbr, 0); + sbr_noise(ld, sbr, 0); + sbr_envelope(ld, sbr, 1); + sbr_noise(ld, sbr, 1); + + memset(sbr->bs_add_harmonic[0], 0, 64 * sizeof(uint8_t)); + memset(sbr->bs_add_harmonic[1], 0, 64 * sizeof(uint8_t)); + + sbr->bs_add_harmonic_flag[0] = faad_get1bit(ld + DEBUGVAR(1, 231, "sbr_channel_pair_element(): bs_add_harmonic_flag[0]")); + if (sbr->bs_add_harmonic_flag[0]) { + sinusoidal_coding(ld, sbr, 0); + } + + sbr->bs_add_harmonic_flag[1] = faad_get1bit(ld + DEBUGVAR(1, 232, "sbr_channel_pair_element(): bs_add_harmonic_flag[1]")); + if (sbr->bs_add_harmonic_flag[1]) { + sinusoidal_coding(ld, sbr, 1); + } + } else { + uint8_t saved_t_E[6] = {0}, saved_t_Q[3] = {0}; + uint8_t saved_L_E = sbr->L_E[0]; + uint8_t saved_L_Q = sbr->L_Q[0]; + uint8_t saved_frame_class = sbr->bs_frame_class[0]; + + for (n = 0; n < saved_L_E; n++) { + saved_t_E[n] = sbr->t_E[0][n]; + } + for (n = 0; n < saved_L_Q; n++) { + saved_t_Q[n] = sbr->t_Q[0][n]; + } + + if ((result = sbr_grid(ld, sbr, 0)) > 0) { + return result; + } + if ((result = sbr_grid(ld, sbr, 1)) > 0) { + /* restore first channel data as well */ + sbr->bs_frame_class[0] = saved_frame_class; + sbr->L_E[0] = saved_L_E; + sbr->L_Q[0] = saved_L_Q; + for (n = 0; n < 6; n++) { + sbr->t_E[0][n] = saved_t_E[n]; + } + for (n = 0; n < 3; n++) { + sbr->t_Q[0][n] = saved_t_Q[n]; + } + + return result; + } + sbr_dtdf(ld, sbr, 0); + sbr_dtdf(ld, sbr, 1); + invf_mode(ld, sbr, 0); + invf_mode(ld, sbr, 1); + sbr_envelope(ld, sbr, 0); + sbr_envelope(ld, sbr, 1); + sbr_noise(ld, sbr, 0); + sbr_noise(ld, sbr, 1); + + memset(sbr->bs_add_harmonic[0], 0, 64 * sizeof(uint8_t)); + memset(sbr->bs_add_harmonic[1], 0, 64 * sizeof(uint8_t)); + + sbr->bs_add_harmonic_flag[0] = faad_get1bit(ld + DEBUGVAR(1, 239, "sbr_channel_pair_element(): bs_add_harmonic_flag[0]")); + if (sbr->bs_add_harmonic_flag[0]) { + sinusoidal_coding(ld, sbr, 0); + } + + sbr->bs_add_harmonic_flag[1] = faad_get1bit(ld + DEBUGVAR(1, 240, "sbr_channel_pair_element(): bs_add_harmonic_flag[1]")); + if (sbr->bs_add_harmonic_flag[1]) { + sinusoidal_coding(ld, sbr, 1); + } + } +#ifndef FIXED_POINT + envelope_noise_dequantisation(sbr, 0); + envelope_noise_dequantisation(sbr, 1); + + if (sbr->bs_coupling) { + unmap_envelope_noise(sbr); + } +#endif + + sbr->bs_extended_data = faad_get1bit(ld + DEBUGVAR(1, 233, "sbr_channel_pair_element(): bs_extended_data[0]")); + if (sbr->bs_extended_data) { + uint16_t nr_bits_left; + uint16_t cnt = (uint16_t)faad_getbits(ld, 4 + DEBUGVAR(1, 234, "sbr_channel_pair_element(): bs_extension_size")); + if (cnt == 15) { + cnt += (uint16_t)faad_getbits(ld, 8 + DEBUGVAR(1, 235, "sbr_channel_pair_element(): bs_esc_count")); + } + + nr_bits_left = 8 * cnt; + while (nr_bits_left > 7) { + uint16_t tmp_nr_bits = 0; + + sbr->bs_extension_id = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 236, "sbr_channel_pair_element(): bs_extension_id")); + tmp_nr_bits += 2; + tmp_nr_bits += sbr_extension(ld, sbr, sbr->bs_extension_id, nr_bits_left); + + /* check if the data read is bigger than the number of available bits */ + if (tmp_nr_bits > nr_bits_left) { + return 1; + } + + nr_bits_left -= tmp_nr_bits; + } + + /* Corrigendum */ + if (nr_bits_left > 0) { + faad_getbits(ld, nr_bits_left + DEBUGVAR(1, 280, "sbr_channel_pair_element(): nr_bits_left")); + } + } + + return 0; +} + +/* integer log[2](x): input range [0,10) */ +static int8_t sbr_log2(const int8_t val) +{ + int8_t log2tab[] = { 0, 0, 1, 2, 2, 3, 3, 3, 3, 4 }; + if (val < 10 && val >= 0) { + return log2tab[val]; + } else { + return 0; + } +} + + +/* table 7 */ +static uint8_t sbr_grid(bitfile *ld, sbr_info *sbr, uint8_t ch) +{ + uint8_t i, env, rel, result; + uint8_t bs_abs_bord, bs_abs_bord_1; + uint8_t bs_num_env = 0; + uint8_t saved_L_E = sbr->L_E[ch]; + uint8_t saved_L_Q = sbr->L_Q[ch]; + uint8_t saved_frame_class = sbr->bs_frame_class[ch]; + + sbr->bs_frame_class[ch] = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 248, "sbr_grid(): bs_frame_class")); + + switch (sbr->bs_frame_class[ch]) { + case FIXFIX: + i = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 249, "sbr_grid(): bs_num_env_raw")); + + bs_num_env = min(1 << i, 5); + + i = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 250, "sbr_grid(): bs_freq_res_flag")); + for (env = 0; env < bs_num_env; env++) { + sbr->f[ch][env] = i; + } + + sbr->abs_bord_lead[ch] = 0; + sbr->abs_bord_trail[ch] = sbr->numTimeSlots; + sbr->n_rel_lead[ch] = bs_num_env - 1; + sbr->n_rel_trail[ch] = 0; + break; + + case FIXVAR: + bs_abs_bord = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 251, "sbr_grid(): bs_abs_bord")) + sbr->numTimeSlots; + bs_num_env = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 252, "sbr_grid(): bs_num_env")) + 1; + + for (rel = 0; rel < bs_num_env - 1; rel++) { + sbr->bs_rel_bord[ch][rel] = 2 * (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 253, "sbr_grid(): bs_rel_bord")) + 2; + } + i = sbr_log2(bs_num_env + 1); + sbr->bs_pointer[ch] = (uint8_t)faad_getbits(ld, i + DEBUGVAR(1, 254, "sbr_grid(): bs_pointer")); + + for (env = 0; env < bs_num_env; env++) { + sbr->f[ch][bs_num_env - env - 1] = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 255, "sbr_grid(): bs_freq_res")); + } + + sbr->abs_bord_lead[ch] = 0; + sbr->abs_bord_trail[ch] = bs_abs_bord; + sbr->n_rel_lead[ch] = 0; + sbr->n_rel_trail[ch] = bs_num_env - 1; + break; + + case VARFIX: + bs_abs_bord = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 256, "sbr_grid(): bs_abs_bord")); + bs_num_env = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 257, "sbr_grid(): bs_num_env")) + 1; + + for (rel = 0; rel < bs_num_env - 1; rel++) { + sbr->bs_rel_bord[ch][rel] = 2 * (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 258, "sbr_grid(): bs_rel_bord")) + 2; + } + i = sbr_log2(bs_num_env + 1); + sbr->bs_pointer[ch] = (uint8_t)faad_getbits(ld, i + DEBUGVAR(1, 259, "sbr_grid(): bs_pointer")); + + for (env = 0; env < bs_num_env; env++) { + sbr->f[ch][env] = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 260, "sbr_grid(): bs_freq_res")); + } + + sbr->abs_bord_lead[ch] = bs_abs_bord; + sbr->abs_bord_trail[ch] = sbr->numTimeSlots; + sbr->n_rel_lead[ch] = bs_num_env - 1; + sbr->n_rel_trail[ch] = 0; + break; + + case VARVAR: + bs_abs_bord = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 261, "sbr_grid(): bs_abs_bord_0")); + bs_abs_bord_1 = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 262, "sbr_grid(): bs_abs_bord_1")) + sbr->numTimeSlots; + sbr->bs_num_rel_0[ch] = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 263, "sbr_grid(): bs_num_rel_0")); + sbr->bs_num_rel_1[ch] = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 264, "sbr_grid(): bs_num_rel_1")); + + bs_num_env = min(5, sbr->bs_num_rel_0[ch] + sbr->bs_num_rel_1[ch] + 1); + + for (rel = 0; rel < sbr->bs_num_rel_0[ch]; rel++) { + sbr->bs_rel_bord_0[ch][rel] = 2 * (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 265, "sbr_grid(): bs_rel_bord")) + 2; + } + for (rel = 0; rel < sbr->bs_num_rel_1[ch]; rel++) { + sbr->bs_rel_bord_1[ch][rel] = 2 * (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 266, "sbr_grid(): bs_rel_bord")) + 2; + } + i = sbr_log2(sbr->bs_num_rel_0[ch] + sbr->bs_num_rel_1[ch] + 2); + sbr->bs_pointer[ch] = (uint8_t)faad_getbits(ld, i + DEBUGVAR(1, 267, "sbr_grid(): bs_pointer")); + + for (env = 0; env < bs_num_env; env++) { + sbr->f[ch][env] = (uint8_t)faad_get1bit(ld + DEBUGVAR(1, 268, "sbr_grid(): bs_freq_res")); + } + + sbr->abs_bord_lead[ch] = bs_abs_bord; + sbr->abs_bord_trail[ch] = bs_abs_bord_1; + sbr->n_rel_lead[ch] = sbr->bs_num_rel_0[ch]; + sbr->n_rel_trail[ch] = sbr->bs_num_rel_1[ch]; + break; + } + + if (sbr->bs_frame_class[ch] == VARVAR) { + sbr->L_E[ch] = min(bs_num_env, 5); + } else { + sbr->L_E[ch] = min(bs_num_env, 4); + } + + if (sbr->L_E[ch] <= 0) { + return 1; + } + + if (sbr->L_E[ch] > 1) { + sbr->L_Q[ch] = 2; + } else { + sbr->L_Q[ch] = 1; + } + + /* TODO: this code can probably be integrated into the code above! */ + if ((result = envelope_time_border_vector(sbr, ch)) > 0) { + sbr->bs_frame_class[ch] = saved_frame_class; + sbr->L_E[ch] = saved_L_E; + sbr->L_Q[ch] = saved_L_Q; + return result; + } + noise_floor_time_border_vector(sbr, ch); + +#if 0 + for (env = 0; env < bs_num_env; env++) { + printf("freq_res[ch:%d][env:%d]: %d\n", ch, env, sbr->f[ch][env]); + } +#endif + + return 0; +} + +/* table 8 */ +static void sbr_dtdf(bitfile *ld, sbr_info *sbr, uint8_t ch) +{ + uint8_t i; + + for (i = 0; i < sbr->L_E[ch]; i++) { + sbr->bs_df_env[ch][i] = faad_get1bit(ld + DEBUGVAR(1, 269, "sbr_dtdf(): bs_df_env")); + } + + for (i = 0; i < sbr->L_Q[ch]; i++) { + sbr->bs_df_noise[ch][i] = faad_get1bit(ld + DEBUGVAR(1, 270, "sbr_dtdf(): bs_df_noise")); + } +} + +/* table 9 */ +static void invf_mode(bitfile *ld, sbr_info *sbr, uint8_t ch) +{ + uint8_t n; + + for (n = 0; n < sbr->N_Q; n++) { + sbr->bs_invf_mode[ch][n] = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 271, "invf_mode(): bs_invf_mode")); + } +} + +static uint16_t sbr_extension(bitfile *ld, sbr_info *sbr, + uint8_t bs_extension_id, uint16_t num_bits_left) +{ +#ifdef PS_DEC + uint8_t header; + uint16_t ret; +#endif + + switch (bs_extension_id) { +#ifdef PS_DEC + case EXTENSION_ID_PS: + if (!sbr->ps) { + sbr->ps = ps_init(get_sr_index(sbr->sample_rate), sbr->numTimeSlotsRate); + } + if (sbr->psResetFlag) { + sbr->ps->header_read = 0; + } + ret = ps_data(sbr->ps, ld, &header); + + /* enable PS if and only if: a header has been decoded */ + if (sbr->ps_used == 0 && header == 1) { + sbr->ps_used = 1; + } + + if (header == 1) { + sbr->psResetFlag = 0; + } + + return ret; +#endif +#ifdef DRM_PS + case DRM_PARAMETRIC_STEREO: + sbr->ps_used = 1; + if (!sbr->drm_ps) { + sbr->drm_ps = drm_ps_init(); + } + return drm_ps_data(sbr->drm_ps, ld); +#endif + default: + sbr->bs_extension_data = (uint8_t)faad_getbits(ld, 6 + DEBUGVAR(1, 279, "sbr_single_channel_element(): bs_extension_data")); + return 6; + } +} + +/* table 12 */ +static void sinusoidal_coding(bitfile *ld, sbr_info *sbr, uint8_t ch) +{ + uint8_t n; + + for (n = 0; n < sbr->N_high; n++) { + sbr->bs_add_harmonic[ch][n] = faad_get1bit(ld + DEBUGVAR(1, 278, "sinusoidal_coding(): bs_add_harmonic")); + } +} + + +#endif /* SBR_DEC */ diff --git a/audio_codec/libfaad/sbr_syntax.h b/audio_codec/libfaad/sbr_syntax.h new file mode 100644 index 0000000..fd39934 --- a/dev/null +++ b/audio_codec/libfaad/sbr_syntax.h @@ -0,0 +1,68 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_syntax.h,v 1.23 2007/11/01 12:33:36 menno Exp $ +**/ + +#ifndef __SBR_SYNTAX_H__ +#define __SBR_SYNTAX_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "bits.h" + +#define T_HFGEN 8 +#define T_HFADJ 2 + +#define EXT_SBR_DATA 13 +#define EXT_SBR_DATA_CRC 14 + +#define FIXFIX 0 +#define FIXVAR 1 +#define VARFIX 2 +#define VARVAR 3 + +#define LO_RES 0 +#define HI_RES 1 + +#define NO_TIME_SLOTS_960 15 +#define NO_TIME_SLOTS 16 +#define RATE 2 + +#define NOISE_FLOOR_OFFSET 6 + + + uint8_t sbr_extension_data(bitfile *ld, sbr_info *sbr, uint16_t cnt, + uint8_t resetFlag); + +#ifdef __cplusplus +} +#endif +#endif /* __SBR_SYNTAX_H__ */ + diff --git a/audio_codec/libfaad/sbr_tf_grid.c b/audio_codec/libfaad/sbr_tf_grid.c new file mode 100644 index 0000000..00fcc16 --- a/dev/null +++ b/audio_codec/libfaad/sbr_tf_grid.c @@ -0,0 +1,247 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_tf_grid.c,v 1.20 2008/09/19 22:50:20 menno Exp $ +**/ + +/* Time/Frequency grid */ +#include +#include "common.h" +#include "structs.h" + +#ifdef SBR_DEC + + +#include "sbr_syntax.h" +#include "sbr_tf_grid.h" + + +/* static function declarations */ +#if 0 +static int16_t rel_bord_lead(sbr_info *sbr, uint8_t ch, uint8_t l); +static int16_t rel_bord_trail(sbr_info *sbr, uint8_t ch, uint8_t l); +#endif +static uint8_t middleBorder(sbr_info *sbr, uint8_t ch); + + +/* function constructs new time border vector */ +/* first build into temp vector to be able to use previous vector on error */ +uint8_t envelope_time_border_vector(sbr_info *sbr, uint8_t ch) +{ + uint8_t l, border, temp; + uint8_t t_E_temp[6] = {0}; + + t_E_temp[0] = sbr->rate * sbr->abs_bord_lead[ch]; + t_E_temp[sbr->L_E[ch]] = sbr->rate * sbr->abs_bord_trail[ch]; + + switch (sbr->bs_frame_class[ch]) { + case FIXFIX: + switch (sbr->L_E[ch]) { + case 4: + temp = (sbr->numTimeSlots / 4); + t_E_temp[3] = sbr->rate * 3 * temp; + t_E_temp[2] = sbr->rate * 2 * temp; + t_E_temp[1] = sbr->rate * temp; + break; + case 2: + t_E_temp[1] = sbr->rate * (sbr->numTimeSlots / 2); + break; + default: + break; + } + break; + + case FIXVAR: + if (sbr->L_E[ch] > 1) { + int8_t i = sbr->L_E[ch]; + border = sbr->abs_bord_trail[ch]; + + for (l = 0; l < (sbr->L_E[ch] - 1); l++) { + if (border < sbr->bs_rel_bord[ch][l]) { + return 1; + } + + border -= sbr->bs_rel_bord[ch][l]; + t_E_temp[--i] = sbr->rate * border; + } + } + break; + + case VARFIX: + if (sbr->L_E[ch] > 1) { + int8_t i = 1; + border = sbr->abs_bord_lead[ch]; + + for (l = 0; l < (sbr->L_E[ch] - 1); l++) { + border += sbr->bs_rel_bord[ch][l]; + + if (sbr->rate * border + sbr->tHFAdj > sbr->numTimeSlotsRate + sbr->tHFGen) { + return 1; + } + + t_E_temp[i++] = sbr->rate * border; + } + } + break; + + case VARVAR: + if (sbr->bs_num_rel_0[ch]) { + int8_t i = 1; + border = sbr->abs_bord_lead[ch]; + + for (l = 0; l < sbr->bs_num_rel_0[ch]; l++) { + border += sbr->bs_rel_bord_0[ch][l]; + + if (sbr->rate * border + sbr->tHFAdj > sbr->numTimeSlotsRate + sbr->tHFGen) { + return 1; + } + + t_E_temp[i++] = sbr->rate * border; + } + } + + if (sbr->bs_num_rel_1[ch]) { + int8_t i = sbr->L_E[ch]; + border = sbr->abs_bord_trail[ch]; + + for (l = 0; l < sbr->bs_num_rel_1[ch]; l++) { + if (border < sbr->bs_rel_bord_1[ch][l]) { + return 1; + } + + border -= sbr->bs_rel_bord_1[ch][l]; + t_E_temp[--i] = sbr->rate * border; + } + } + break; + } + + /* no error occured, we can safely use this t_E vector */ + for (l = 0; l < 6; l++) { + sbr->t_E[ch][l] = t_E_temp[l]; + } + + return 0; +} + +void noise_floor_time_border_vector(sbr_info *sbr, uint8_t ch) +{ + sbr->t_Q[ch][0] = sbr->t_E[ch][0]; + + if (sbr->L_E[ch] == 1) { + sbr->t_Q[ch][1] = sbr->t_E[ch][1]; + sbr->t_Q[ch][2] = 0; + } else { + uint8_t index = middleBorder(sbr, ch); + sbr->t_Q[ch][1] = sbr->t_E[ch][index]; + sbr->t_Q[ch][2] = sbr->t_E[ch][sbr->L_E[ch]]; + } +} + +#if 0 +static int16_t rel_bord_lead(sbr_info *sbr, uint8_t ch, uint8_t l) +{ + uint8_t i; + int16_t acc = 0; + + switch (sbr->bs_frame_class[ch]) { + case FIXFIX: + return sbr->numTimeSlots / sbr->L_E[ch]; + case FIXVAR: + return 0; + case VARFIX: + for (i = 0; i < l; i++) { + acc += sbr->bs_rel_bord[ch][i]; + } + return acc; + case VARVAR: + for (i = 0; i < l; i++) { + acc += sbr->bs_rel_bord_0[ch][i]; + } + return acc; + } + + return 0; +} + +static int16_t rel_bord_trail(sbr_info *sbr, uint8_t ch, uint8_t l) +{ + uint8_t i; + int16_t acc = 0; + + switch (sbr->bs_frame_class[ch]) { + case FIXFIX: + case VARFIX: + return 0; + case FIXVAR: + for (i = 0; i < l; i++) { + acc += sbr->bs_rel_bord[ch][i]; + } + return acc; + case VARVAR: + for (i = 0; i < l; i++) { + acc += sbr->bs_rel_bord_1[ch][i]; + } + return acc; + } + + return 0; +} +#endif + +static uint8_t middleBorder(sbr_info *sbr, uint8_t ch) +{ + int8_t retval = 0; + + switch (sbr->bs_frame_class[ch]) { + case FIXFIX: + retval = sbr->L_E[ch] / 2; + break; + case VARFIX: + if (sbr->bs_pointer[ch] == 0) { + retval = 1; + } else if (sbr->bs_pointer[ch] == 1) { + retval = sbr->L_E[ch] - 1; + } else { + retval = sbr->bs_pointer[ch] - 1; + } + break; + case FIXVAR: + case VARVAR: + if (sbr->bs_pointer[ch] > 1) { + retval = sbr->L_E[ch] + 1 - sbr->bs_pointer[ch]; + } else { + retval = sbr->L_E[ch] - 1; + } + break; + } + + return (retval > 0) ? retval : 0; +} + + +#endif diff --git a/audio_codec/libfaad/sbr_tf_grid.h b/audio_codec/libfaad/sbr_tf_grid.h new file mode 100644 index 0000000..009e095 --- a/dev/null +++ b/audio_codec/libfaad/sbr_tf_grid.h @@ -0,0 +1,47 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_tf_grid.h,v 1.17 2007/11/01 12:33:36 menno Exp $ +**/ + +#ifndef __SBR_TF_GRID_H__ +#define __SBR_TF_GRID_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + + uint8_t envelope_time_border_vector(sbr_info *sbr, uint8_t ch); + void noise_floor_time_border_vector(sbr_info *sbr, uint8_t ch); + + +#ifdef __cplusplus +} +#endif +#endif + diff --git a/audio_codec/libfaad/sine_win.h b/audio_codec/libfaad/sine_win.h new file mode 100644 index 0000000..e0eec0c --- a/dev/null +++ b/audio_codec/libfaad/sine_win.h @@ -0,0 +1,4296 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: sine_win.h,v 1.19 2007/11/01 12:33:36 menno Exp $ +**/ + +#ifndef __SINE_WIN_H__ +#define __SINE_WIN_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef _MSC_VER +#pragma warning(disable:4305) +#pragma warning(disable:4244) +#endif + + ALIGN static const real_t sine_long_1024[] = { + FRAC_CONST(0.00076699031874270449), + FRAC_CONST(0.002300969151425805), + FRAC_CONST(0.0038349425697062275), + FRAC_CONST(0.0053689069639963425), + FRAC_CONST(0.0069028587247297558), + FRAC_CONST(0.0084367942423697988), + FRAC_CONST(0.0099707099074180308), + FRAC_CONST(0.011504602110422714), + FRAC_CONST(0.013038467241987334), + FRAC_CONST(0.014572301692779064), + FRAC_CONST(0.016106101853537287), + FRAC_CONST(0.017639864115082053), + FRAC_CONST(0.019173584868322623), + FRAC_CONST(0.020707260504265895), + FRAC_CONST(0.022240887414024961), + FRAC_CONST(0.023774461988827555), + FRAC_CONST(0.025307980620024571), + FRAC_CONST(0.026841439699098531), + FRAC_CONST(0.028374835617672099), + FRAC_CONST(0.029908164767516555), + FRAC_CONST(0.031441423540560301), + FRAC_CONST(0.032974608328897335), + FRAC_CONST(0.03450771552479575), + FRAC_CONST(0.036040741520706229), + FRAC_CONST(0.037573682709270494), + FRAC_CONST(0.039106535483329888), + FRAC_CONST(0.040639296235933736), + FRAC_CONST(0.042171961360347947), + FRAC_CONST(0.043704527250063421), + FRAC_CONST(0.04523699029880459), + FRAC_CONST(0.046769346900537863), + FRAC_CONST(0.048301593449480144), + FRAC_CONST(0.049833726340107277), + FRAC_CONST(0.051365741967162593), + FRAC_CONST(0.052897636725665324), + FRAC_CONST(0.054429407010919133), + FRAC_CONST(0.055961049218520569), + FRAC_CONST(0.057492559744367566), + FRAC_CONST(0.059023934984667931), + FRAC_CONST(0.060555171335947788), + FRAC_CONST(0.062086265195060088), + FRAC_CONST(0.063617212959193106), + FRAC_CONST(0.065148011025878833), + FRAC_CONST(0.066678655793001557), + FRAC_CONST(0.068209143658806329), + FRAC_CONST(0.069739471021907307), + FRAC_CONST(0.071269634281296401), + FRAC_CONST(0.072799629836351673), + FRAC_CONST(0.074329454086845756), + FRAC_CONST(0.075859103432954447), + FRAC_CONST(0.077388574275265049), + FRAC_CONST(0.078917863014784942), + FRAC_CONST(0.080446966052950014), + FRAC_CONST(0.081975879791633066), + FRAC_CONST(0.083504600633152432), + FRAC_CONST(0.085033124980280275), + FRAC_CONST(0.08656144923625117), + FRAC_CONST(0.088089569804770507), + FRAC_CONST(0.089617483090022959), + FRAC_CONST(0.091145185496681005), + FRAC_CONST(0.09267267342991331), + FRAC_CONST(0.094199943295393204), + FRAC_CONST(0.095726991499307162), + FRAC_CONST(0.097253814448363271), + FRAC_CONST(0.098780408549799623), + FRAC_CONST(0.10030677021139286), + FRAC_CONST(0.10183289584146653), + FRAC_CONST(0.10335878184889961), + FRAC_CONST(0.10488442464313497), + FRAC_CONST(0.10640982063418768), + FRAC_CONST(0.10793496623265365), + FRAC_CONST(0.10945985784971798), + FRAC_CONST(0.11098449189716339), + FRAC_CONST(0.11250886478737869), + FRAC_CONST(0.1140329729333672), + FRAC_CONST(0.11555681274875526), + FRAC_CONST(0.11708038064780059), + FRAC_CONST(0.11860367304540072), + FRAC_CONST(0.1201266863571015), + FRAC_CONST(0.12164941699910553), + FRAC_CONST(0.12317186138828048), + FRAC_CONST(0.12469401594216764), + FRAC_CONST(0.12621587707899035), + FRAC_CONST(0.12773744121766231), + FRAC_CONST(0.12925870477779614), + FRAC_CONST(0.13077966417971171), + FRAC_CONST(0.13230031584444465), + FRAC_CONST(0.13382065619375472), + FRAC_CONST(0.13534068165013421), + FRAC_CONST(0.13686038863681638), + FRAC_CONST(0.13837977357778389), + FRAC_CONST(0.13989883289777721), + FRAC_CONST(0.14141756302230302), + FRAC_CONST(0.14293596037764267), + FRAC_CONST(0.14445402139086047), + FRAC_CONST(0.14597174248981221), + FRAC_CONST(0.14748912010315357), + FRAC_CONST(0.14900615066034845), + FRAC_CONST(0.1505228305916774), + FRAC_CONST(0.15203915632824605), + FRAC_CONST(0.15355512430199345), + FRAC_CONST(0.15507073094570051), + FRAC_CONST(0.15658597269299843), + FRAC_CONST(0.15810084597837698), + FRAC_CONST(0.15961534723719306), + FRAC_CONST(0.16112947290567881), + FRAC_CONST(0.16264321942095031), + FRAC_CONST(0.16415658322101581), + FRAC_CONST(0.16566956074478412), + FRAC_CONST(0.16718214843207294), + FRAC_CONST(0.16869434272361733), + FRAC_CONST(0.17020614006107807), + FRAC_CONST(0.17171753688704997), + FRAC_CONST(0.17322852964507032), + FRAC_CONST(0.1747391147796272), + FRAC_CONST(0.17624928873616788), + FRAC_CONST(0.17775904796110717), + FRAC_CONST(0.17926838890183575), + FRAC_CONST(0.18077730800672859), + FRAC_CONST(0.1822858017251533), + FRAC_CONST(0.18379386650747845), + FRAC_CONST(0.1853014988050819), + FRAC_CONST(0.18680869507035927), + FRAC_CONST(0.18831545175673212), + FRAC_CONST(0.18982176531865641), + FRAC_CONST(0.1913276322116309), + FRAC_CONST(0.19283304889220523), + FRAC_CONST(0.1943380118179886), + FRAC_CONST(0.19584251744765785), + FRAC_CONST(0.19734656224096592), + FRAC_CONST(0.19885014265875009), + FRAC_CONST(0.20035325516294045), + FRAC_CONST(0.20185589621656805), + FRAC_CONST(0.20335806228377332), + FRAC_CONST(0.20485974982981442), + FRAC_CONST(0.20636095532107551), + FRAC_CONST(0.20786167522507507), + FRAC_CONST(0.20936190601047416), + FRAC_CONST(0.21086164414708486), + FRAC_CONST(0.21236088610587842), + FRAC_CONST(0.21385962835899375), + FRAC_CONST(0.21535786737974555), + FRAC_CONST(0.21685559964263262), + FRAC_CONST(0.21835282162334632), + FRAC_CONST(0.2198495297987787), + FRAC_CONST(0.22134572064703081), + FRAC_CONST(0.22284139064742112), + FRAC_CONST(0.2243365362804936), + FRAC_CONST(0.22583115402802617), + FRAC_CONST(0.22732524037303886), + FRAC_CONST(0.22881879179980222), + FRAC_CONST(0.23031180479384544), + FRAC_CONST(0.23180427584196478), + FRAC_CONST(0.23329620143223159), + FRAC_CONST(0.23478757805400097), + FRAC_CONST(0.23627840219791957), + FRAC_CONST(0.23776867035593419), + FRAC_CONST(0.23925837902129998), + FRAC_CONST(0.24074752468858843), + FRAC_CONST(0.24223610385369601), + FRAC_CONST(0.24372411301385216), + FRAC_CONST(0.24521154866762754), + FRAC_CONST(0.24669840731494241), + FRAC_CONST(0.24818468545707478), + FRAC_CONST(0.24967037959666857), + FRAC_CONST(0.25115548623774192), + FRAC_CONST(0.25264000188569552), + FRAC_CONST(0.25412392304732062), + FRAC_CONST(0.25560724623080738), + FRAC_CONST(0.25708996794575312), + FRAC_CONST(0.25857208470317034), + FRAC_CONST(0.26005359301549519), + FRAC_CONST(0.26153448939659552), + FRAC_CONST(0.263014770361779), + FRAC_CONST(0.26449443242780163), + FRAC_CONST(0.26597347211287559), + FRAC_CONST(0.26745188593667762), + FRAC_CONST(0.26892967042035726), + FRAC_CONST(0.27040682208654482), + FRAC_CONST(0.27188333745935972), + FRAC_CONST(0.27335921306441868), + FRAC_CONST(0.27483444542884394), + FRAC_CONST(0.27630903108127108), + FRAC_CONST(0.27778296655185769), + FRAC_CONST(0.27925624837229118), + FRAC_CONST(0.28072887307579719), + FRAC_CONST(0.28220083719714756), + FRAC_CONST(0.28367213727266843), + FRAC_CONST(0.28514276984024867), + FRAC_CONST(0.28661273143934779), + FRAC_CONST(0.28808201861100413), + FRAC_CONST(0.28955062789784303), + FRAC_CONST(0.29101855584408509), + FRAC_CONST(0.29248579899555388), + FRAC_CONST(0.29395235389968466), + FRAC_CONST(0.29541821710553201), + FRAC_CONST(0.29688338516377827), + FRAC_CONST(0.2983478546267414), + FRAC_CONST(0.29981162204838335), + FRAC_CONST(0.30127468398431795), + FRAC_CONST(0.30273703699181914), + FRAC_CONST(0.30419867762982911), + FRAC_CONST(0.30565960245896612), + FRAC_CONST(0.3071198080415331), + FRAC_CONST(0.30857929094152509), + FRAC_CONST(0.31003804772463789), + FRAC_CONST(0.31149607495827591), + FRAC_CONST(0.3129533692115602), + FRAC_CONST(0.31440992705533666), + FRAC_CONST(0.31586574506218396), + FRAC_CONST(0.31732081980642174), + FRAC_CONST(0.31877514786411848), + FRAC_CONST(0.32022872581309986), + FRAC_CONST(0.32168155023295658), + FRAC_CONST(0.32313361770505233), + FRAC_CONST(0.32458492481253215), + FRAC_CONST(0.32603546814033024), + FRAC_CONST(0.327485244275178), + FRAC_CONST(0.3289342498056122), + FRAC_CONST(0.33038248132198278), + FRAC_CONST(0.33182993541646111), + FRAC_CONST(0.33327660868304793), + FRAC_CONST(0.33472249771758122), + FRAC_CONST(0.33616759911774452), + FRAC_CONST(0.33761190948307462), + FRAC_CONST(0.33905542541496964), + FRAC_CONST(0.34049814351669716), + FRAC_CONST(0.34194006039340219), + FRAC_CONST(0.34338117265211504), + FRAC_CONST(0.34482147690175929), + FRAC_CONST(0.34626096975316001), + FRAC_CONST(0.34769964781905138), + FRAC_CONST(0.34913750771408497), + FRAC_CONST(0.35057454605483751), + FRAC_CONST(0.35201075945981908), + FRAC_CONST(0.35344614454948081), + FRAC_CONST(0.35488069794622279), + FRAC_CONST(0.35631441627440241), + FRAC_CONST(0.3577472961603419), + FRAC_CONST(0.3591793342323365), + FRAC_CONST(0.36061052712066227), + FRAC_CONST(0.36204087145758418), + FRAC_CONST(0.36347036387736376), + FRAC_CONST(0.36489900101626732), + FRAC_CONST(0.36632677951257359), + FRAC_CONST(0.36775369600658198), + FRAC_CONST(0.36917974714062002), + FRAC_CONST(0.37060492955905167), + FRAC_CONST(0.37202923990828501), + FRAC_CONST(0.3734526748367803), + FRAC_CONST(0.37487523099505754), + FRAC_CONST(0.37629690503570479), + FRAC_CONST(0.37771769361338564), + FRAC_CONST(0.37913759338484732), + FRAC_CONST(0.38055660100892852), + FRAC_CONST(0.38197471314656722), + FRAC_CONST(0.38339192646080866), + FRAC_CONST(0.38480823761681288), + FRAC_CONST(0.38622364328186298), + FRAC_CONST(0.38763814012537273), + FRAC_CONST(0.38905172481889438), + FRAC_CONST(0.39046439403612659), + FRAC_CONST(0.39187614445292235), + FRAC_CONST(0.3932869727472964), + FRAC_CONST(0.39469687559943356), + FRAC_CONST(0.39610584969169627), + FRAC_CONST(0.39751389170863233), + FRAC_CONST(0.39892099833698291), + FRAC_CONST(0.40032716626569009), + FRAC_CONST(0.40173239218590501), + FRAC_CONST(0.4031366727909953), + FRAC_CONST(0.404540004776553), + FRAC_CONST(0.40594238484040251), + FRAC_CONST(0.40734380968260797), + FRAC_CONST(0.40874427600548136), + FRAC_CONST(0.41014378051359024), + FRAC_CONST(0.41154231991376522), + FRAC_CONST(0.41293989091510808), + FRAC_CONST(0.4143364902289991), + FRAC_CONST(0.41573211456910536), + FRAC_CONST(0.41712676065138787), + FRAC_CONST(0.4185204251941097), + FRAC_CONST(0.41991310491784362), + FRAC_CONST(0.42130479654547964), + FRAC_CONST(0.42269549680223295), + FRAC_CONST(0.42408520241565156), + FRAC_CONST(0.4254739101156238), + FRAC_CONST(0.42686161663438643), + FRAC_CONST(0.42824831870653196), + FRAC_CONST(0.42963401306901638), + FRAC_CONST(0.43101869646116703), + FRAC_CONST(0.43240236562469014), + FRAC_CONST(0.43378501730367852), + FRAC_CONST(0.43516664824461926), + FRAC_CONST(0.4365472551964012), + FRAC_CONST(0.43792683491032286), + FRAC_CONST(0.43930538414009995), + FRAC_CONST(0.4406828996418729), + FRAC_CONST(0.4420593781742147), + FRAC_CONST(0.44343481649813848), + FRAC_CONST(0.44480921137710488), + FRAC_CONST(0.44618255957703007), + FRAC_CONST(0.44755485786629301), + FRAC_CONST(0.44892610301574326), + FRAC_CONST(0.45029629179870861), + FRAC_CONST(0.45166542099100249), + FRAC_CONST(0.45303348737093158), + FRAC_CONST(0.45440048771930358), + FRAC_CONST(0.45576641881943464), + FRAC_CONST(0.45713127745715698), + FRAC_CONST(0.45849506042082627), + FRAC_CONST(0.45985776450132954), + FRAC_CONST(0.46121938649209238), + FRAC_CONST(0.46257992318908681), + FRAC_CONST(0.46393937139083852), + FRAC_CONST(0.4652977278984346), + FRAC_CONST(0.46665498951553092), + FRAC_CONST(0.46801115304835983), + FRAC_CONST(0.46936621530573752), + FRAC_CONST(0.4707201730990716), + FRAC_CONST(0.47207302324236866), + FRAC_CONST(0.47342476255224153), + FRAC_CONST(0.47477538784791712), + FRAC_CONST(0.47612489595124358), + FRAC_CONST(0.47747328368669806), + FRAC_CONST(0.47882054788139389), + FRAC_CONST(0.48016668536508839), + FRAC_CONST(0.48151169297018986), + FRAC_CONST(0.48285556753176567), + FRAC_CONST(0.48419830588754903), + FRAC_CONST(0.48553990487794696), + FRAC_CONST(0.48688036134604734), + FRAC_CONST(0.48821967213762679), + FRAC_CONST(0.48955783410115744), + FRAC_CONST(0.49089484408781509), + FRAC_CONST(0.49223069895148602), + FRAC_CONST(0.49356539554877477), + FRAC_CONST(0.49489893073901126), + FRAC_CONST(0.49623130138425825), + FRAC_CONST(0.49756250434931915), + FRAC_CONST(0.49889253650174459), + FRAC_CONST(0.50022139471184068), + FRAC_CONST(0.50154907585267539), + FRAC_CONST(0.50287557680008699), + FRAC_CONST(0.50420089443269034), + FRAC_CONST(0.50552502563188539), + FRAC_CONST(0.50684796728186321), + FRAC_CONST(0.5081697162696146), + FRAC_CONST(0.50949026948493636), + FRAC_CONST(0.51080962382043904), + FRAC_CONST(0.51212777617155469), + FRAC_CONST(0.51344472343654346), + FRAC_CONST(0.5147604625165012), + FRAC_CONST(0.51607499031536663), + FRAC_CONST(0.51738830373992906), + FRAC_CONST(0.51870039969983495), + FRAC_CONST(0.52001127510759604), + FRAC_CONST(0.52132092687859566), + FRAC_CONST(0.52262935193109661), + FRAC_CONST(0.5239365471862486), + FRAC_CONST(0.52524250956809471), + FRAC_CONST(0.52654723600357944), + FRAC_CONST(0.52785072342255523), + FRAC_CONST(0.52915296875779061), + FRAC_CONST(0.53045396894497632), + FRAC_CONST(0.53175372092273332), + FRAC_CONST(0.53305222163261945), + FRAC_CONST(0.53434946801913752), + FRAC_CONST(0.53564545702974109), + FRAC_CONST(0.53694018561484291), + FRAC_CONST(0.5382336507278217), + FRAC_CONST(0.53952584932502889), + FRAC_CONST(0.54081677836579667), + FRAC_CONST(0.54210643481244392), + FRAC_CONST(0.5433948156302848), + FRAC_CONST(0.54468191778763453), + FRAC_CONST(0.54596773825581757), + FRAC_CONST(0.54725227400917409), + FRAC_CONST(0.54853552202506739), + FRAC_CONST(0.54981747928389091), + FRAC_CONST(0.55109814276907543), + FRAC_CONST(0.55237750946709607), + FRAC_CONST(0.55365557636747931), + FRAC_CONST(0.55493234046281037), + FRAC_CONST(0.55620779874873993), + FRAC_CONST(0.55748194822399155), + FRAC_CONST(0.55875478589036831), + FRAC_CONST(0.56002630875276038), + FRAC_CONST(0.56129651381915147), + FRAC_CONST(0.56256539810062656), + FRAC_CONST(0.56383295861137817), + FRAC_CONST(0.56509919236871398), + FRAC_CONST(0.56636409639306384), + FRAC_CONST(0.56762766770798623), + FRAC_CONST(0.56888990334017586), + FRAC_CONST(0.5701508003194703), + FRAC_CONST(0.57141035567885723), + FRAC_CONST(0.57266856645448116), + FRAC_CONST(0.57392542968565075), + FRAC_CONST(0.57518094241484508), + FRAC_CONST(0.57643510168772183), + FRAC_CONST(0.5776879045531228), + FRAC_CONST(0.57893934806308178), + FRAC_CONST(0.58018942927283168), + FRAC_CONST(0.58143814524081017), + FRAC_CONST(0.58268549302866846), + FRAC_CONST(0.58393146970127618), + FRAC_CONST(0.58517607232673041), + FRAC_CONST(0.5864192979763605), + FRAC_CONST(0.58766114372473666), + FRAC_CONST(0.58890160664967572), + FRAC_CONST(0.59014068383224882), + FRAC_CONST(0.59137837235678758), + FRAC_CONST(0.59261466931089113), + FRAC_CONST(0.59384957178543363), + FRAC_CONST(0.59508307687456996), + FRAC_CONST(0.59631518167574371), + FRAC_CONST(0.59754588328969316), + FRAC_CONST(0.59877517882045872), + FRAC_CONST(0.60000306537538894), + FRAC_CONST(0.6012295400651485), + FRAC_CONST(0.60245460000372375), + FRAC_CONST(0.60367824230843037), + FRAC_CONST(0.60490046409991982), + FRAC_CONST(0.60612126250218612), + FRAC_CONST(0.60734063464257293), + FRAC_CONST(0.60855857765177945), + FRAC_CONST(0.60977508866386843), + FRAC_CONST(0.61099016481627166), + FRAC_CONST(0.61220380324979795), + FRAC_CONST(0.61341600110863859), + FRAC_CONST(0.61462675554037505), + FRAC_CONST(0.61583606369598509), + FRAC_CONST(0.61704392272984976), + FRAC_CONST(0.61825032979976025), + FRAC_CONST(0.61945528206692402), + FRAC_CONST(0.62065877669597214), + FRAC_CONST(0.62186081085496536), + FRAC_CONST(0.62306138171540126), + FRAC_CONST(0.62426048645222065), + FRAC_CONST(0.62545812224381436), + FRAC_CONST(0.62665428627202935), + FRAC_CONST(0.62784897572217646), + FRAC_CONST(0.629042187783036), + FRAC_CONST(0.63023391964686437), + FRAC_CONST(0.63142416850940186), + FRAC_CONST(0.63261293156987741), + FRAC_CONST(0.63380020603101728), + FRAC_CONST(0.63498598909904946), + FRAC_CONST(0.63617027798371217), + FRAC_CONST(0.63735306989825913), + FRAC_CONST(0.63853436205946679), + FRAC_CONST(0.63971415168764045), + FRAC_CONST(0.64089243600662138), + FRAC_CONST(0.64206921224379254), + FRAC_CONST(0.64324447763008585), + FRAC_CONST(0.64441822939998838), + FRAC_CONST(0.64559046479154869), + FRAC_CONST(0.64676118104638392), + FRAC_CONST(0.64793037540968534), + FRAC_CONST(0.64909804513022595), + FRAC_CONST(0.65026418746036585), + FRAC_CONST(0.65142879965605982), + FRAC_CONST(0.65259187897686244), + FRAC_CONST(0.65375342268593606), + FRAC_CONST(0.65491342805005603), + FRAC_CONST(0.6560718923396176), + FRAC_CONST(0.65722881282864254), + FRAC_CONST(0.65838418679478505), + FRAC_CONST(0.65953801151933866), + FRAC_CONST(0.6606902842872423), + FRAC_CONST(0.66184100238708687), + FRAC_CONST(0.66299016311112147), + FRAC_CONST(0.66413776375526001), + FRAC_CONST(0.66528380161908718), + FRAC_CONST(0.66642827400586524), + FRAC_CONST(0.66757117822254031), + FRAC_CONST(0.66871251157974798), + FRAC_CONST(0.66985227139182102), + FRAC_CONST(0.67099045497679422), + FRAC_CONST(0.67212705965641173), + FRAC_CONST(0.67326208275613297), + FRAC_CONST(0.67439552160513905), + FRAC_CONST(0.67552737353633852), + FRAC_CONST(0.67665763588637495), + FRAC_CONST(0.6777863059956315), + FRAC_CONST(0.67891338120823841), + FRAC_CONST(0.68003885887207893), + FRAC_CONST(0.68116273633879543), + FRAC_CONST(0.68228501096379557), + FRAC_CONST(0.68340568010625868), + FRAC_CONST(0.6845247411291423), + FRAC_CONST(0.68564219139918747), + FRAC_CONST(0.68675802828692589), + FRAC_CONST(0.68787224916668555), + FRAC_CONST(0.68898485141659704), + FRAC_CONST(0.69009583241859995), + FRAC_CONST(0.69120518955844845), + FRAC_CONST(0.69231292022571822), + FRAC_CONST(0.69341902181381176), + FRAC_CONST(0.69452349171996552), + FRAC_CONST(0.69562632734525487), + FRAC_CONST(0.6967275260946012), + FRAC_CONST(0.69782708537677729), + FRAC_CONST(0.69892500260441415), + FRAC_CONST(0.70002127519400625), + FRAC_CONST(0.70111590056591866), + FRAC_CONST(0.70220887614439187), + FRAC_CONST(0.70330019935754873), + FRAC_CONST(0.70438986763740041), + FRAC_CONST(0.7054778784198521), + FRAC_CONST(0.70656422914470951), + FRAC_CONST(0.70764891725568435), + FRAC_CONST(0.70873194020040065), + FRAC_CONST(0.70981329543040084), + FRAC_CONST(0.71089298040115168), + FRAC_CONST(0.71197099257204999), + FRAC_CONST(0.71304732940642923), + FRAC_CONST(0.71412198837156471), + FRAC_CONST(0.71519496693868001), + FRAC_CONST(0.71626626258295312), + FRAC_CONST(0.71733587278352173), + FRAC_CONST(0.71840379502348972), + FRAC_CONST(0.71947002678993299), + FRAC_CONST(0.72053456557390527), + FRAC_CONST(0.72159740887044366), + FRAC_CONST(0.72265855417857561), + FRAC_CONST(0.72371799900132339), + FRAC_CONST(0.72477574084571128), + FRAC_CONST(0.72583177722277037), + FRAC_CONST(0.72688610564754497), + FRAC_CONST(0.72793872363909862), + FRAC_CONST(0.72898962872051931), + FRAC_CONST(0.73003881841892615), + FRAC_CONST(0.73108629026547423), + FRAC_CONST(0.73213204179536129), + FRAC_CONST(0.73317607054783274), + FRAC_CONST(0.73421837406618817), + FRAC_CONST(0.73525894989778673), + FRAC_CONST(0.73629779559405306), + FRAC_CONST(0.73733490871048279), + FRAC_CONST(0.73837028680664851), + FRAC_CONST(0.73940392744620576), + FRAC_CONST(0.74043582819689802), + FRAC_CONST(0.74146598663056329), + FRAC_CONST(0.74249440032313918), + FRAC_CONST(0.74352106685466912), + FRAC_CONST(0.74454598380930725), + FRAC_CONST(0.74556914877532543), + FRAC_CONST(0.74659055934511731), + FRAC_CONST(0.74761021311520515), + FRAC_CONST(0.74862810768624533), + FRAC_CONST(0.74964424066303348), + FRAC_CONST(0.75065860965451059), + FRAC_CONST(0.75167121227376843), + FRAC_CONST(0.75268204613805523), + FRAC_CONST(0.75369110886878121), + FRAC_CONST(0.75469839809152439), + FRAC_CONST(0.75570391143603588), + FRAC_CONST(0.75670764653624567), + FRAC_CONST(0.75770960103026808), + FRAC_CONST(0.75870977256040739), + FRAC_CONST(0.75970815877316344), + FRAC_CONST(0.76070475731923692), + FRAC_CONST(0.76169956585353527), + FRAC_CONST(0.76269258203517787), + FRAC_CONST(0.76368380352750187), + FRAC_CONST(0.76467322799806714), + FRAC_CONST(0.76566085311866239), + FRAC_CONST(0.76664667656531038), + FRAC_CONST(0.76763069601827327), + FRAC_CONST(0.76861290916205827), + FRAC_CONST(0.76959331368542294), + FRAC_CONST(0.7705719072813807), + FRAC_CONST(0.7715486876472063), + FRAC_CONST(0.77252365248444133), + FRAC_CONST(0.77349679949889905), + FRAC_CONST(0.77446812640067086), + FRAC_CONST(0.77543763090413043), + FRAC_CONST(0.77640531072794039), + FRAC_CONST(0.7773711635950562), + FRAC_CONST(0.77833518723273309), + FRAC_CONST(0.7792973793725303), + FRAC_CONST(0.78025773775031659), + FRAC_CONST(0.78121626010627609), + FRAC_CONST(0.7821729441849129), + FRAC_CONST(0.78312778773505731), + FRAC_CONST(0.78408078850986995), + FRAC_CONST(0.78503194426684808), + FRAC_CONST(0.78598125276783015), + FRAC_CONST(0.7869287117790017), + FRAC_CONST(0.78787431907090011), + FRAC_CONST(0.78881807241842017), + FRAC_CONST(0.78975996960081907), + FRAC_CONST(0.79070000840172161), + FRAC_CONST(0.79163818660912577), + FRAC_CONST(0.79257450201540758), + FRAC_CONST(0.79350895241732666), + FRAC_CONST(0.79444153561603059), + FRAC_CONST(0.79537224941706119), + FRAC_CONST(0.79630109163035911), + FRAC_CONST(0.7972280600702687), + FRAC_CONST(0.79815315255554375), + FRAC_CONST(0.79907636690935235), + FRAC_CONST(0.79999770095928191), + FRAC_CONST(0.8009171525373443), + FRAC_CONST(0.80183471947998131), + FRAC_CONST(0.80275039962806916), + FRAC_CONST(0.80366419082692409), + FRAC_CONST(0.804576090926307), + FRAC_CONST(0.80548609778042912), + FRAC_CONST(0.80639420924795624), + FRAC_CONST(0.80730042319201445), + FRAC_CONST(0.80820473748019472), + FRAC_CONST(0.80910714998455813), + FRAC_CONST(0.81000765858164114), + FRAC_CONST(0.81090626115245967), + FRAC_CONST(0.81180295558251536), + FRAC_CONST(0.81269773976179949), + FRAC_CONST(0.81359061158479851), + FRAC_CONST(0.81448156895049861), + FRAC_CONST(0.81537060976239129), + FRAC_CONST(0.81625773192847739), + FRAC_CONST(0.81714293336127297), + FRAC_CONST(0.81802621197781344), + FRAC_CONST(0.81890756569965895), + FRAC_CONST(0.81978699245289899), + FRAC_CONST(0.82066449016815746), + FRAC_CONST(0.82154005678059761), + FRAC_CONST(0.82241369022992639), + FRAC_CONST(0.82328538846040011), + FRAC_CONST(0.82415514942082857), + FRAC_CONST(0.82502297106458022), + FRAC_CONST(0.82588885134958678), + FRAC_CONST(0.82675278823834852), + FRAC_CONST(0.8276147796979384), + FRAC_CONST(0.82847482370000713), + FRAC_CONST(0.82933291822078825), + FRAC_CONST(0.83018906124110237), + FRAC_CONST(0.83104325074636232), + FRAC_CONST(0.83189548472657759), + FRAC_CONST(0.83274576117635946), + FRAC_CONST(0.83359407809492514), + FRAC_CONST(0.83444043348610319), + FRAC_CONST(0.83528482535833737), + FRAC_CONST(0.83612725172469216), + FRAC_CONST(0.83696771060285702), + FRAC_CONST(0.83780620001515094), + FRAC_CONST(0.8386427179885273), + FRAC_CONST(0.83947726255457855), + FRAC_CONST(0.84030983174954077), + FRAC_CONST(0.84114042361429808), + FRAC_CONST(0.84196903619438768), + FRAC_CONST(0.84279566754000412), + FRAC_CONST(0.84362031570600404), + FRAC_CONST(0.84444297875191066), + FRAC_CONST(0.84526365474191822), + FRAC_CONST(0.84608234174489694), + FRAC_CONST(0.84689903783439735), + FRAC_CONST(0.84771374108865427), + FRAC_CONST(0.84852644959059265), + FRAC_CONST(0.84933716142783067), + FRAC_CONST(0.85014587469268521), + FRAC_CONST(0.85095258748217573), + FRAC_CONST(0.85175729789802912), + FRAC_CONST(0.85256000404668397), + FRAC_CONST(0.85336070403929543), + FRAC_CONST(0.85415939599173873), + FRAC_CONST(0.85495607802461482), + FRAC_CONST(0.85575074826325392), + FRAC_CONST(0.85654340483771996), + FRAC_CONST(0.85733404588281559), + FRAC_CONST(0.85812266953808602), + FRAC_CONST(0.8589092739478239), + FRAC_CONST(0.85969385726107261), + FRAC_CONST(0.86047641763163207), + FRAC_CONST(0.86125695321806206), + FRAC_CONST(0.86203546218368721), + FRAC_CONST(0.86281194269660033), + FRAC_CONST(0.86358639292966799), + FRAC_CONST(0.86435881106053403), + FRAC_CONST(0.86512919527162369), + FRAC_CONST(0.86589754375014882), + FRAC_CONST(0.86666385468811102), + FRAC_CONST(0.86742812628230692), + FRAC_CONST(0.86819035673433131), + FRAC_CONST(0.86895054425058238), + FRAC_CONST(0.86970868704226556), + FRAC_CONST(0.87046478332539767), + FRAC_CONST(0.8712188313208109), + FRAC_CONST(0.8719708292541577), + FRAC_CONST(0.8727207753559143), + FRAC_CONST(0.87346866786138488), + FRAC_CONST(0.8742145050107063), + FRAC_CONST(0.87495828504885154), + FRAC_CONST(0.8757000062256346), + FRAC_CONST(0.87643966679571361), + FRAC_CONST(0.87717726501859594), + FRAC_CONST(0.87791279915864173), + FRAC_CONST(0.87864626748506813), + FRAC_CONST(0.87937766827195318), + FRAC_CONST(0.88010699979824036), + FRAC_CONST(0.88083426034774204), + FRAC_CONST(0.88155944820914378), + FRAC_CONST(0.8822825616760086), + FRAC_CONST(0.88300359904678072), + FRAC_CONST(0.88372255862478966), + FRAC_CONST(0.8844394387182537), + FRAC_CONST(0.88515423764028511), + FRAC_CONST(0.88586695370889279), + FRAC_CONST(0.88657758524698704), + FRAC_CONST(0.88728613058238315), + FRAC_CONST(0.88799258804780556), + FRAC_CONST(0.88869695598089171), + FRAC_CONST(0.88939923272419552), + FRAC_CONST(0.89009941662519221), + FRAC_CONST(0.89079750603628149), + FRAC_CONST(0.89149349931479138), + FRAC_CONST(0.89218739482298248), + FRAC_CONST(0.89287919092805168), + FRAC_CONST(0.89356888600213602), + FRAC_CONST(0.89425647842231604), + FRAC_CONST(0.89494196657062075), + FRAC_CONST(0.89562534883403), + FRAC_CONST(0.89630662360447966), + FRAC_CONST(0.89698578927886397), + FRAC_CONST(0.89766284425904075), + FRAC_CONST(0.89833778695183419), + FRAC_CONST(0.89901061576903907), + FRAC_CONST(0.89968132912742393), + FRAC_CONST(0.9003499254487356), + FRAC_CONST(0.90101640315970233), + FRAC_CONST(0.90168076069203773), + FRAC_CONST(0.9023429964824442), + FRAC_CONST(0.90300310897261704), + FRAC_CONST(0.90366109660924798), + FRAC_CONST(0.90431695784402832), + FRAC_CONST(0.90497069113365325), + FRAC_CONST(0.90562229493982516), + FRAC_CONST(0.90627176772925766), + FRAC_CONST(0.90691910797367803), + FRAC_CONST(0.90756431414983252), + FRAC_CONST(0.9082073847394887), + FRAC_CONST(0.90884831822943912), + FRAC_CONST(0.90948711311150543), + FRAC_CONST(0.91012376788254157), + FRAC_CONST(0.91075828104443757), + FRAC_CONST(0.91139065110412232), + FRAC_CONST(0.91202087657356823), + FRAC_CONST(0.9126489559697939), + FRAC_CONST(0.91327488781486776), + FRAC_CONST(0.91389867063591168), + FRAC_CONST(0.91452030296510445), + FRAC_CONST(0.91513978333968526), + FRAC_CONST(0.91575711030195672), + FRAC_CONST(0.91637228239928914), + FRAC_CONST(0.91698529818412289), + FRAC_CONST(0.91759615621397295), + FRAC_CONST(0.9182048550514309), + FRAC_CONST(0.91881139326416994), + FRAC_CONST(0.91941576942494696), + FRAC_CONST(0.92001798211160657), + FRAC_CONST(0.92061802990708386), + FRAC_CONST(0.92121591139940873), + FRAC_CONST(0.92181162518170812), + FRAC_CONST(0.92240516985220988), + FRAC_CONST(0.92299654401424625), + FRAC_CONST(0.92358574627625656), + FRAC_CONST(0.9241727752517912), + FRAC_CONST(0.92475762955951391), + FRAC_CONST(0.9253403078232062), + FRAC_CONST(0.92592080867176996), + FRAC_CONST(0.92649913073923051), + FRAC_CONST(0.9270752726647401), + FRAC_CONST(0.92764923309258118), + FRAC_CONST(0.92822101067216944), + FRAC_CONST(0.92879060405805702), + FRAC_CONST(0.9293580119099355), + FRAC_CONST(0.92992323289263956), + FRAC_CONST(0.93048626567614978), + FRAC_CONST(0.93104710893559517), + FRAC_CONST(0.93160576135125783), + FRAC_CONST(0.93216222160857432), + FRAC_CONST(0.93271648839814025), + FRAC_CONST(0.93326856041571205), + FRAC_CONST(0.93381843636221096), + FRAC_CONST(0.9343661149437259), + FRAC_CONST(0.93491159487151609), + FRAC_CONST(0.93545487486201462), + FRAC_CONST(0.9359959536368313), + FRAC_CONST(0.9365348299227555), + FRAC_CONST(0.93707150245175919), + FRAC_CONST(0.93760596996099999), + FRAC_CONST(0.93813823119282436), + FRAC_CONST(0.93866828489477017), + FRAC_CONST(0.9391961298195699), + FRAC_CONST(0.93972176472515334), + FRAC_CONST(0.94024518837465088), + FRAC_CONST(0.94076639953639607), + FRAC_CONST(0.94128539698392866), + FRAC_CONST(0.94180217949599765), + FRAC_CONST(0.94231674585656378), + FRAC_CONST(0.94282909485480271), + FRAC_CONST(0.94333922528510772), + FRAC_CONST(0.94384713594709269), + FRAC_CONST(0.94435282564559475), + FRAC_CONST(0.94485629319067721), + FRAC_CONST(0.94535753739763229), + FRAC_CONST(0.94585655708698391), + FRAC_CONST(0.94635335108449059), + FRAC_CONST(0.946847918221148), + FRAC_CONST(0.94734025733319194), + FRAC_CONST(0.94783036726210101), + FRAC_CONST(0.94831824685459909), + FRAC_CONST(0.94880389496265838), + FRAC_CONST(0.94928731044350201), + FRAC_CONST(0.94976849215960668), + FRAC_CONST(0.95024743897870523), + FRAC_CONST(0.95072414977378961), + FRAC_CONST(0.95119862342311323), + FRAC_CONST(0.95167085881019386), + FRAC_CONST(0.95214085482381583), + FRAC_CONST(0.95260861035803324), + FRAC_CONST(0.9530741243121722), + FRAC_CONST(0.95353739559083328), + FRAC_CONST(0.95399842310389449), + FRAC_CONST(0.95445720576651349), + FRAC_CONST(0.95491374249913052), + FRAC_CONST(0.95536803222747024), + FRAC_CONST(0.95582007388254542), + FRAC_CONST(0.95626986640065814), + FRAC_CONST(0.95671740872340305), + FRAC_CONST(0.9571626997976701), + FRAC_CONST(0.95760573857564624), + FRAC_CONST(0.9580465240148186), + FRAC_CONST(0.9584850550779761), + FRAC_CONST(0.95892133073321306), + FRAC_CONST(0.95935534995393079), + FRAC_CONST(0.9597871117188399), + FRAC_CONST(0.96021661501196343), + FRAC_CONST(0.96064385882263847), + FRAC_CONST(0.96106884214551935), + FRAC_CONST(0.961491563980579), + FRAC_CONST(0.9619120233331121), + FRAC_CONST(0.9623302192137374), + FRAC_CONST(0.96274615063839941), + FRAC_CONST(0.96315981662837136), + FRAC_CONST(0.96357121621025721), + FRAC_CONST(0.96398034841599411), + FRAC_CONST(0.96438721228285429), + FRAC_CONST(0.9647918068534479), + FRAC_CONST(0.96519413117572472), + FRAC_CONST(0.96559418430297683), + FRAC_CONST(0.96599196529384057), + FRAC_CONST(0.96638747321229879), + FRAC_CONST(0.96678070712768327), + FRAC_CONST(0.96717166611467664), + FRAC_CONST(0.96756034925331436), + FRAC_CONST(0.9679467556289878), + FRAC_CONST(0.9683308843324453), + FRAC_CONST(0.96871273445979478), + FRAC_CONST(0.9690923051125061), + FRAC_CONST(0.96946959539741295), + FRAC_CONST(0.96984460442671483), + FRAC_CONST(0.97021733131797916), + FRAC_CONST(0.97058777519414363), + FRAC_CONST(0.97095593518351797), + FRAC_CONST(0.97132181041978616), + FRAC_CONST(0.97168540004200854), + FRAC_CONST(0.9720467031946235), + FRAC_CONST(0.97240571902744977), + FRAC_CONST(0.97276244669568857), + FRAC_CONST(0.97311688535992513), + FRAC_CONST(0.97346903418613095), + FRAC_CONST(0.9738188923456661), + FRAC_CONST(0.97416645901528032), + FRAC_CONST(0.97451173337711572), + FRAC_CONST(0.97485471461870843), + FRAC_CONST(0.97519540193299037), + FRAC_CONST(0.97553379451829136), + FRAC_CONST(0.97586989157834103), + FRAC_CONST(0.97620369232227056), + FRAC_CONST(0.97653519596461447), + FRAC_CONST(0.97686440172531264), + FRAC_CONST(0.97719130882971228), + FRAC_CONST(0.97751591650856928), + FRAC_CONST(0.97783822399805043), + FRAC_CONST(0.97815823053973505), + FRAC_CONST(0.97847593538061683), + FRAC_CONST(0.97879133777310567), + FRAC_CONST(0.97910443697502925), + FRAC_CONST(0.97941523224963478), + FRAC_CONST(0.97972372286559117), + FRAC_CONST(0.98002990809698998), + FRAC_CONST(0.98033378722334796), + FRAC_CONST(0.98063535952960812), + FRAC_CONST(0.98093462430614164), + FRAC_CONST(0.98123158084874973), + FRAC_CONST(0.98152622845866466), + FRAC_CONST(0.9818185664425525), + FRAC_CONST(0.98210859411251361), + FRAC_CONST(0.98239631078608469), + FRAC_CONST(0.98268171578624086), + FRAC_CONST(0.98296480844139644), + FRAC_CONST(0.98324558808540707), + FRAC_CONST(0.98352405405757126), + FRAC_CONST(0.98380020570263149), + FRAC_CONST(0.98407404237077645), + FRAC_CONST(0.9843455634176419), + FRAC_CONST(0.9846147682043126), + FRAC_CONST(0.9848816560973237), + FRAC_CONST(0.98514622646866223), + FRAC_CONST(0.98540847869576842), + FRAC_CONST(0.98566841216153755), + FRAC_CONST(0.98592602625432113), + FRAC_CONST(0.98618132036792827), + FRAC_CONST(0.98643429390162707), + FRAC_CONST(0.98668494626014669), + FRAC_CONST(0.98693327685367771), + FRAC_CONST(0.98717928509787434), + FRAC_CONST(0.98742297041385541), + FRAC_CONST(0.98766433222820571), + FRAC_CONST(0.98790336997297779), + FRAC_CONST(0.98814008308569257), + FRAC_CONST(0.98837447100934128), + FRAC_CONST(0.98860653319238645), + FRAC_CONST(0.98883626908876354), + FRAC_CONST(0.98906367815788154), + FRAC_CONST(0.98928875986462517), + FRAC_CONST(0.98951151367935519), + FRAC_CONST(0.98973193907791057), + FRAC_CONST(0.98995003554160899), + FRAC_CONST(0.9901658025572484), + FRAC_CONST(0.99037923961710816), + FRAC_CONST(0.99059034621895015), + FRAC_CONST(0.99079912186602037), + FRAC_CONST(0.99100556606704937), + FRAC_CONST(0.99120967833625406), + FRAC_CONST(0.99141145819333854), + FRAC_CONST(0.99161090516349537), + FRAC_CONST(0.99180801877740643), + FRAC_CONST(0.99200279857124452), + FRAC_CONST(0.99219524408667392), + FRAC_CONST(0.99238535487085167), + FRAC_CONST(0.99257313047642881), + FRAC_CONST(0.99275857046155114), + FRAC_CONST(0.99294167438986047), + FRAC_CONST(0.99312244183049558), + FRAC_CONST(0.99330087235809328), + FRAC_CONST(0.99347696555278919), + FRAC_CONST(0.99365072100021912), + FRAC_CONST(0.99382213829151966), + FRAC_CONST(0.99399121702332938), + FRAC_CONST(0.99415795679778973), + FRAC_CONST(0.99432235722254581), + FRAC_CONST(0.9944844179107476), + FRAC_CONST(0.99464413848105071), + FRAC_CONST(0.99480151855761711), + FRAC_CONST(0.99495655777011638), + FRAC_CONST(0.99510925575372611), + FRAC_CONST(0.99525961214913339), + FRAC_CONST(0.9954076266025349), + FRAC_CONST(0.99555329876563847), + FRAC_CONST(0.99569662829566352), + FRAC_CONST(0.99583761485534161), + FRAC_CONST(0.99597625811291779), + FRAC_CONST(0.99611255774215113), + FRAC_CONST(0.99624651342231552), + FRAC_CONST(0.99637812483820021), + FRAC_CONST(0.99650739168011082), + FRAC_CONST(0.9966343136438699), + FRAC_CONST(0.996758890430818), + FRAC_CONST(0.99688112174781385), + FRAC_CONST(0.99700100730723529), + FRAC_CONST(0.99711854682697998), + FRAC_CONST(0.99723374003046616), + FRAC_CONST(0.99734658664663323), + FRAC_CONST(0.99745708640994191), + FRAC_CONST(0.99756523906037575), + FRAC_CONST(0.997671044343441), + FRAC_CONST(0.99777450201016782), + FRAC_CONST(0.99787561181711015), + FRAC_CONST(0.99797437352634699), + FRAC_CONST(0.99807078690548234), + FRAC_CONST(0.99816485172764624), + FRAC_CONST(0.99825656777149518), + FRAC_CONST(0.99834593482121237), + FRAC_CONST(0.99843295266650844), + FRAC_CONST(0.99851762110262221), + FRAC_CONST(0.99859993993032037), + FRAC_CONST(0.99867990895589909), + FRAC_CONST(0.99875752799118334), + FRAC_CONST(0.99883279685352799), + FRAC_CONST(0.99890571536581829), + FRAC_CONST(0.99897628335646982), + FRAC_CONST(0.99904450065942929), + FRAC_CONST(0.99911036711417489), + FRAC_CONST(0.99917388256571638), + FRAC_CONST(0.99923504686459585), + FRAC_CONST(0.99929385986688779), + FRAC_CONST(0.99935032143419944), + FRAC_CONST(0.9994044314336713), + FRAC_CONST(0.99945618973797734), + FRAC_CONST(0.99950559622532531), + FRAC_CONST(0.99955265077945699), + FRAC_CONST(0.99959735328964838), + FRAC_CONST(0.9996397036507102), + FRAC_CONST(0.99967970176298793), + FRAC_CONST(0.99971734753236219), + FRAC_CONST(0.99975264087024884), + FRAC_CONST(0.99978558169359921), + FRAC_CONST(0.99981616992490041), + FRAC_CONST(0.99984440549217524), + FRAC_CONST(0.99987028832898295), + FRAC_CONST(0.99989381837441849), + FRAC_CONST(0.99991499557311347), + FRAC_CONST(0.999933819875236), + FRAC_CONST(0.99995029123649048), + FRAC_CONST(0.99996440961811828), + FRAC_CONST(0.99997617498689761), + FRAC_CONST(0.9999855873151432), + FRAC_CONST(0.99999264658070719), + FRAC_CONST(0.99999735276697821), + FRAC_CONST(0.99999970586288223) + }; + +#ifdef ALLOW_SMALL_FRAMELENGTH + ALIGN static const real_t sine_long_960[] = { + FRAC_CONST(0.00081812299560725323), + FRAC_CONST(0.0024543667964602917), + FRAC_CONST(0.0040906040262347889), + FRAC_CONST(0.0057268303042312674), + FRAC_CONST(0.0073630412497795667), + FRAC_CONST(0.0089992324822505774), + FRAC_CONST(0.010635399621067975), + FRAC_CONST(0.012271538285719924), + FRAC_CONST(0.013907644095770845), + FRAC_CONST(0.015543712670873098), + FRAC_CONST(0.017179739630778748), + FRAC_CONST(0.018815720595351273), + FRAC_CONST(0.020451651184577292), + FRAC_CONST(0.022087527018578291), + FRAC_CONST(0.023723343717622358), + FRAC_CONST(0.025359096902135895), + FRAC_CONST(0.02699478219271537), + FRAC_CONST(0.028630395210139003), + FRAC_CONST(0.030265931575378519), + FRAC_CONST(0.031901386909610863), + FRAC_CONST(0.033536756834229922), + FRAC_CONST(0.035172036970858266), + FRAC_CONST(0.036807222941358832), + FRAC_CONST(0.038442310367846677), + FRAC_CONST(0.040077294872700696), + FRAC_CONST(0.041712172078575326), + FRAC_CONST(0.043346937608412288), + FRAC_CONST(0.044981587085452281), + FRAC_CONST(0.046616116133246711), + FRAC_CONST(0.048250520375669431), + FRAC_CONST(0.049884795436928406), + FRAC_CONST(0.051518936941577477), + FRAC_CONST(0.053152940514528055), + FRAC_CONST(0.05478680178106083), + FRAC_CONST(0.056420516366837495), + FRAC_CONST(0.05805407989791244), + FRAC_CONST(0.059687488000744485), + FRAC_CONST(0.061320736302208578), + FRAC_CONST(0.062953820429607482), + FRAC_CONST(0.064586736010683557), + FRAC_CONST(0.066219478673630344), + FRAC_CONST(0.06785204404710439), + FRAC_CONST(0.069484427760236861), + FRAC_CONST(0.071116625442645326), + FRAC_CONST(0.072748632724445372), + FRAC_CONST(0.07438044523626236), + FRAC_CONST(0.076012058609243122), + FRAC_CONST(0.077643468475067631), + FRAC_CONST(0.079274670465960706), + FRAC_CONST(0.080905660214703745), + FRAC_CONST(0.082536433354646319), + FRAC_CONST(0.084166985519717977), + FRAC_CONST(0.085797312344439894), + FRAC_CONST(0.08742740946393647), + FRAC_CONST(0.089057272513947183), + FRAC_CONST(0.090686897130838162), + FRAC_CONST(0.092316278951613845), + FRAC_CONST(0.093945413613928788), + FRAC_CONST(0.095574296756099186), + FRAC_CONST(0.097202924017114667), + FRAC_CONST(0.098831291036649963), + FRAC_CONST(0.10045939345507648), + FRAC_CONST(0.10208722691347409), + FRAC_CONST(0.10371478705364276), + FRAC_CONST(0.10534206951811415), + FRAC_CONST(0.10696906995016341), + FRAC_CONST(0.10859578399382072), + FRAC_CONST(0.11022220729388306), + FRAC_CONST(0.11184833549592579), + FRAC_CONST(0.11347416424631435), + FRAC_CONST(0.11509968919221586), + FRAC_CONST(0.11672490598161089), + FRAC_CONST(0.11834981026330495), + FRAC_CONST(0.11997439768694031), + FRAC_CONST(0.12159866390300751), + FRAC_CONST(0.12322260456285709), + FRAC_CONST(0.12484621531871121), + FRAC_CONST(0.12646949182367517), + FRAC_CONST(0.12809242973174936), + FRAC_CONST(0.12971502469784052), + FRAC_CONST(0.13133727237777362), + FRAC_CONST(0.13295916842830346), + FRAC_CONST(0.13458070850712617), + FRAC_CONST(0.13620188827289101), + FRAC_CONST(0.1378227033852118), + FRAC_CONST(0.13944314950467873), + FRAC_CONST(0.14106322229286994), + FRAC_CONST(0.14268291741236291), + FRAC_CONST(0.14430223052674654), + FRAC_CONST(0.1459211573006321), + FRAC_CONST(0.14753969339966552), + FRAC_CONST(0.14915783449053857), + FRAC_CONST(0.15077557624100058), + FRAC_CONST(0.15239291431987001), + FRAC_CONST(0.1540098443970461), + FRAC_CONST(0.15562636214352044), + FRAC_CONST(0.15724246323138855), + FRAC_CONST(0.15885814333386142), + FRAC_CONST(0.16047339812527725), + FRAC_CONST(0.16208822328111283), + FRAC_CONST(0.16370261447799525), + FRAC_CONST(0.16531656739371339), + FRAC_CONST(0.16693007770722967), + FRAC_CONST(0.16854314109869134), + FRAC_CONST(0.17015575324944232), + FRAC_CONST(0.17176790984203447), + FRAC_CONST(0.17337960656023954), + FRAC_CONST(0.1749908390890603), + FRAC_CONST(0.17660160311474243), + FRAC_CONST(0.17821189432478593), + FRAC_CONST(0.17982170840795647), + FRAC_CONST(0.18143104105429744), + FRAC_CONST(0.18303988795514095), + FRAC_CONST(0.1846482448031197), + FRAC_CONST(0.18625610729217834), + FRAC_CONST(0.1878634711175852), + FRAC_CONST(0.18947033197594348), + FRAC_CONST(0.19107668556520319), + FRAC_CONST(0.19268252758467228), + FRAC_CONST(0.19428785373502844), + FRAC_CONST(0.19589265971833042), + FRAC_CONST(0.19749694123802966), + FRAC_CONST(0.19910069399898173), + FRAC_CONST(0.20070391370745785), + FRAC_CONST(0.20230659607115639), + FRAC_CONST(0.20390873679921437), + FRAC_CONST(0.20551033160221882), + FRAC_CONST(0.20711137619221856), + FRAC_CONST(0.2087118662827353), + FRAC_CONST(0.21031179758877552), + FRAC_CONST(0.21191116582684155), + FRAC_CONST(0.21350996671494335), + FRAC_CONST(0.21510819597260972), + FRAC_CONST(0.21670584932089998), + FRAC_CONST(0.2183029224824154), + FRAC_CONST(0.21989941118131037), + FRAC_CONST(0.22149531114330431), + FRAC_CONST(0.22309061809569264), + FRAC_CONST(0.22468532776735861), + FRAC_CONST(0.22627943588878449), + FRAC_CONST(0.22787293819206314), + FRAC_CONST(0.22946583041090929), + FRAC_CONST(0.23105810828067114), + FRAC_CONST(0.23264976753834157), + FRAC_CONST(0.23424080392256985), + FRAC_CONST(0.2358312131736727), + FRAC_CONST(0.23742099103364595), + FRAC_CONST(0.23901013324617584), + FRAC_CONST(0.24059863555665045), + FRAC_CONST(0.24218649371217096), + FRAC_CONST(0.24377370346156332), + FRAC_CONST(0.24536026055538934), + FRAC_CONST(0.24694616074595824), + FRAC_CONST(0.24853139978733788), + FRAC_CONST(0.25011597343536629), + FRAC_CONST(0.25169987744766298), + FRAC_CONST(0.25328310758364025), + FRAC_CONST(0.25486565960451457), + FRAC_CONST(0.25644752927331788), + FRAC_CONST(0.25802871235490898), + FRAC_CONST(0.25960920461598508), + FRAC_CONST(0.26118900182509258), + FRAC_CONST(0.26276809975263904), + FRAC_CONST(0.264346494170904), + FRAC_CONST(0.26592418085405067), + FRAC_CONST(0.26750115557813692), + FRAC_CONST(0.2690774141211269), + FRAC_CONST(0.27065295226290209), + FRAC_CONST(0.2722277657852728), + FRAC_CONST(0.27380185047198918), + FRAC_CONST(0.27537520210875299), + FRAC_CONST(0.2769478164832283), + FRAC_CONST(0.27851968938505312), + FRAC_CONST(0.28009081660585067), + FRAC_CONST(0.28166119393924061), + FRAC_CONST(0.28323081718085019), + FRAC_CONST(0.28479968212832563), + FRAC_CONST(0.28636778458134327), + FRAC_CONST(0.28793512034162105), + FRAC_CONST(0.2895016852129294), + FRAC_CONST(0.29106747500110264), + FRAC_CONST(0.29263248551405047), + FRAC_CONST(0.2941967125617686), + FRAC_CONST(0.29576015195635058), + FRAC_CONST(0.29732279951199847), + FRAC_CONST(0.29888465104503475), + FRAC_CONST(0.30044570237391266), + FRAC_CONST(0.30200594931922808), + FRAC_CONST(0.30356538770373032), + FRAC_CONST(0.30512401335233358), + FRAC_CONST(0.30668182209212791), + FRAC_CONST(0.3082388097523906), + FRAC_CONST(0.30979497216459695), + FRAC_CONST(0.31135030516243201), + FRAC_CONST(0.3129048045818012), + FRAC_CONST(0.31445846626084178), + FRAC_CONST(0.31601128603993378), + FRAC_CONST(0.31756325976171151), + FRAC_CONST(0.31911438327107416), + FRAC_CONST(0.32066465241519732), + FRAC_CONST(0.32221406304354389), + FRAC_CONST(0.3237626110078754), + FRAC_CONST(0.32531029216226293), + FRAC_CONST(0.32685710236309828), + FRAC_CONST(0.32840303746910487), + FRAC_CONST(0.32994809334134939), + FRAC_CONST(0.3314922658432522), + FRAC_CONST(0.33303555084059877), + FRAC_CONST(0.33457794420155085), + FRAC_CONST(0.33611944179665709), + FRAC_CONST(0.33766003949886464), + FRAC_CONST(0.33919973318352969), + FRAC_CONST(0.34073851872842903), + FRAC_CONST(0.34227639201377064), + FRAC_CONST(0.34381334892220483), + FRAC_CONST(0.34534938533883547), + FRAC_CONST(0.34688449715123082), + FRAC_CONST(0.34841868024943456), + FRAC_CONST(0.34995193052597684), + FRAC_CONST(0.35148424387588523), + FRAC_CONST(0.3530156161966958), + FRAC_CONST(0.35454604338846402), + FRAC_CONST(0.35607552135377557), + FRAC_CONST(0.35760404599775775), + FRAC_CONST(0.35913161322809023), + FRAC_CONST(0.36065821895501554), + FRAC_CONST(0.36218385909135092), + FRAC_CONST(0.36370852955249849), + FRAC_CONST(0.36523222625645668), + FRAC_CONST(0.36675494512383078), + FRAC_CONST(0.36827668207784414), + FRAC_CONST(0.36979743304434909), + FRAC_CONST(0.37131719395183754), + FRAC_CONST(0.37283596073145214), + FRAC_CONST(0.37435372931699717), + FRAC_CONST(0.37587049564494951), + FRAC_CONST(0.37738625565446909), + FRAC_CONST(0.37890100528741022), + FRAC_CONST(0.38041474048833229), + FRAC_CONST(0.38192745720451066), + FRAC_CONST(0.38343915138594736), + FRAC_CONST(0.38494981898538222), + FRAC_CONST(0.38645945595830333), + FRAC_CONST(0.38796805826295838), + FRAC_CONST(0.38947562186036483), + FRAC_CONST(0.39098214271432141), + FRAC_CONST(0.39248761679141814), + FRAC_CONST(0.3939920400610481), + FRAC_CONST(0.39549540849541737), + FRAC_CONST(0.39699771806955625), + FRAC_CONST(0.39849896476132979), + FRAC_CONST(0.39999914455144892), + FRAC_CONST(0.40149825342348083), + FRAC_CONST(0.4029962873638599), + FRAC_CONST(0.40449324236189854), + FRAC_CONST(0.40598911440979762), + FRAC_CONST(0.40748389950265762), + FRAC_CONST(0.40897759363848879), + FRAC_CONST(0.41047019281822261), + FRAC_CONST(0.41196169304572178), + FRAC_CONST(0.4134520903277914), + FRAC_CONST(0.41494138067418929), + FRAC_CONST(0.41642956009763715), + FRAC_CONST(0.41791662461383078), + FRAC_CONST(0.41940257024145089), + FRAC_CONST(0.42088739300217382), + FRAC_CONST(0.42237108892068231), + FRAC_CONST(0.42385365402467584), + FRAC_CONST(0.42533508434488143), + FRAC_CONST(0.42681537591506419), + FRAC_CONST(0.42829452477203828), + FRAC_CONST(0.42977252695567697), + FRAC_CONST(0.43124937850892364), + FRAC_CONST(0.4327250754778022), + FRAC_CONST(0.43419961391142781), + FRAC_CONST(0.43567298986201736), + FRAC_CONST(0.43714519938489987), + FRAC_CONST(0.43861623853852766), + FRAC_CONST(0.44008610338448595), + FRAC_CONST(0.44155478998750436), + FRAC_CONST(0.44302229441546676), + FRAC_CONST(0.4444886127394222), + FRAC_CONST(0.44595374103359531), + FRAC_CONST(0.44741767537539667), + FRAC_CONST(0.44888041184543348), + FRAC_CONST(0.45034194652752002), + FRAC_CONST(0.45180227550868812), + FRAC_CONST(0.45326139487919759), + FRAC_CONST(0.45471930073254679), + FRAC_CONST(0.45617598916548296), + FRAC_CONST(0.45763145627801283), + FRAC_CONST(0.45908569817341294), + FRAC_CONST(0.46053871095824001), + FRAC_CONST(0.46199049074234161), + FRAC_CONST(0.46344103363886635), + FRAC_CONST(0.46489033576427435), + FRAC_CONST(0.46633839323834758), + FRAC_CONST(0.46778520218420055), + FRAC_CONST(0.46923075872829029), + FRAC_CONST(0.47067505900042683), + FRAC_CONST(0.47211809913378361), + FRAC_CONST(0.47355987526490806), + FRAC_CONST(0.47500038353373153), + FRAC_CONST(0.47643962008357982), + FRAC_CONST(0.47787758106118372), + FRAC_CONST(0.47931426261668875), + FRAC_CONST(0.48074966090366611), + FRAC_CONST(0.48218377207912272), + FRAC_CONST(0.48361659230351117), + FRAC_CONST(0.48504811774074069), + FRAC_CONST(0.48647834455818684), + FRAC_CONST(0.48790726892670194), + FRAC_CONST(0.48933488702062544), + FRAC_CONST(0.49076119501779414), + FRAC_CONST(0.49218618909955225), + FRAC_CONST(0.4936098654507618), + FRAC_CONST(0.49503222025981269), + FRAC_CONST(0.49645324971863303), + FRAC_CONST(0.49787295002269943), + FRAC_CONST(0.49929131737104687), + FRAC_CONST(0.50070834796627917), + FRAC_CONST(0.50212403801457872), + FRAC_CONST(0.50353838372571758), + FRAC_CONST(0.50495138131306638), + FRAC_CONST(0.50636302699360547), + FRAC_CONST(0.50777331698793449), + FRAC_CONST(0.50918224752028263), + FRAC_CONST(0.51058981481851906), + FRAC_CONST(0.51199601511416237), + FRAC_CONST(0.51340084464239111), + FRAC_CONST(0.51480429964205421), + FRAC_CONST(0.51620637635567967), + FRAC_CONST(0.51760707102948678), + FRAC_CONST(0.51900637991339404), + FRAC_CONST(0.5204042992610306), + FRAC_CONST(0.52180082532974559), + FRAC_CONST(0.5231959543806185), + FRAC_CONST(0.52458968267846895), + FRAC_CONST(0.52598200649186677), + FRAC_CONST(0.52737292209314235), + FRAC_CONST(0.52876242575839572), + FRAC_CONST(0.53015051376750777), + FRAC_CONST(0.53153718240414882), + FRAC_CONST(0.53292242795578992), + FRAC_CONST(0.53430624671371152), + FRAC_CONST(0.53568863497301467), + FRAC_CONST(0.5370695890326298), + FRAC_CONST(0.5384491051953274), + FRAC_CONST(0.53982717976772743), + FRAC_CONST(0.54120380906030963), + FRAC_CONST(0.54257898938742311), + FRAC_CONST(0.54395271706729609), + FRAC_CONST(0.54532498842204646), + FRAC_CONST(0.54669579977769045), + FRAC_CONST(0.54806514746415402), + FRAC_CONST(0.54943302781528081), + FRAC_CONST(0.55079943716884383), + FRAC_CONST(0.55216437186655387), + FRAC_CONST(0.55352782825406999), + FRAC_CONST(0.55488980268100907), + FRAC_CONST(0.55625029150095584), + FRAC_CONST(0.55760929107147217), + FRAC_CONST(0.55896679775410718), + FRAC_CONST(0.56032280791440714), + FRAC_CONST(0.56167731792192455), + FRAC_CONST(0.56303032415022869), + FRAC_CONST(0.56438182297691453), + FRAC_CONST(0.56573181078361312), + FRAC_CONST(0.56708028395600085), + FRAC_CONST(0.56842723888380908), + FRAC_CONST(0.56977267196083425), + FRAC_CONST(0.57111657958494688), + FRAC_CONST(0.5724589581581021), + FRAC_CONST(0.57379980408634845), + FRAC_CONST(0.57513911377983773), + FRAC_CONST(0.57647688365283478), + FRAC_CONST(0.57781311012372738), + FRAC_CONST(0.57914778961503466), + FRAC_CONST(0.58048091855341843), + FRAC_CONST(0.5818124933696911), + FRAC_CONST(0.58314251049882604), + FRAC_CONST(0.58447096637996743), + FRAC_CONST(0.58579785745643886), + FRAC_CONST(0.5871231801757536), + FRAC_CONST(0.58844693098962408), + FRAC_CONST(0.58976910635397084), + FRAC_CONST(0.59108970272893235), + FRAC_CONST(0.59240871657887517), + FRAC_CONST(0.59372614437240179), + FRAC_CONST(0.59504198258236196), + FRAC_CONST(0.5963562276858605), + FRAC_CONST(0.59766887616426767), + FRAC_CONST(0.5989799245032289), + FRAC_CONST(0.60028936919267273), + FRAC_CONST(0.60159720672682204), + FRAC_CONST(0.60290343360420195), + FRAC_CONST(0.60420804632765002), + FRAC_CONST(0.60551104140432543), + FRAC_CONST(0.60681241534571839), + FRAC_CONST(0.60811216466765883), + FRAC_CONST(0.60941028589032709), + FRAC_CONST(0.61070677553826169), + FRAC_CONST(0.61200163014036979), + FRAC_CONST(0.61329484622993602), + FRAC_CONST(0.6145864203446314), + FRAC_CONST(0.61587634902652377), + FRAC_CONST(0.61716462882208556), + FRAC_CONST(0.61845125628220421), + FRAC_CONST(0.61973622796219074), + FRAC_CONST(0.6210195404217892), + FRAC_CONST(0.62230119022518593), + FRAC_CONST(0.62358117394101897), + FRAC_CONST(0.62485948814238634), + FRAC_CONST(0.62613612940685637), + FRAC_CONST(0.62741109431647646), + FRAC_CONST(0.62868437945778133), + FRAC_CONST(0.62995598142180387), + FRAC_CONST(0.6312258968040827), + FRAC_CONST(0.63249412220467238), + FRAC_CONST(0.63376065422815175), + FRAC_CONST(0.63502548948363347), + FRAC_CONST(0.63628862458477287), + FRAC_CONST(0.63755005614977711), + FRAC_CONST(0.63880978080141437), + FRAC_CONST(0.6400677951670225), + FRAC_CONST(0.6413240958785188), + FRAC_CONST(0.64257867957240766), + FRAC_CONST(0.6438315428897915), + FRAC_CONST(0.64508268247637779), + FRAC_CONST(0.64633209498248945), + FRAC_CONST(0.64757977706307335), + FRAC_CONST(0.64882572537770888), + FRAC_CONST(0.65006993659061751), + FRAC_CONST(0.65131240737067142), + FRAC_CONST(0.65255313439140239), + FRAC_CONST(0.65379211433101081), + FRAC_CONST(0.65502934387237444), + FRAC_CONST(0.6562648197030575), + FRAC_CONST(0.65749853851531959), + FRAC_CONST(0.65873049700612374), + FRAC_CONST(0.65996069187714679), + FRAC_CONST(0.66118911983478657), + FRAC_CONST(0.66241577759017178), + FRAC_CONST(0.66364066185917048), + FRAC_CONST(0.66486376936239888), + FRAC_CONST(0.66608509682523009), + FRAC_CONST(0.66730464097780284), + FRAC_CONST(0.66852239855503071), + FRAC_CONST(0.66973836629660977), + FRAC_CONST(0.67095254094702894), + FRAC_CONST(0.67216491925557675), + FRAC_CONST(0.67337549797635199), + FRAC_CONST(0.67458427386827102), + FRAC_CONST(0.67579124369507693), + FRAC_CONST(0.67699640422534846), + FRAC_CONST(0.67819975223250772), + FRAC_CONST(0.6794012844948305), + FRAC_CONST(0.68060099779545302), + FRAC_CONST(0.68179888892238183), + FRAC_CONST(0.6829949546685018), + FRAC_CONST(0.68418919183158522), + FRAC_CONST(0.68538159721429948), + FRAC_CONST(0.6865721676242168), + FRAC_CONST(0.68776089987382172), + FRAC_CONST(0.68894779078052026), + FRAC_CONST(0.69013283716664853), + FRAC_CONST(0.69131603585948032), + FRAC_CONST(0.69249738369123692), + FRAC_CONST(0.69367687749909468), + FRAC_CONST(0.69485451412519361), + FRAC_CONST(0.69603029041664599), + FRAC_CONST(0.6972042032255451), + FRAC_CONST(0.6983762494089728), + FRAC_CONST(0.69954642582900894), + FRAC_CONST(0.70071472935273893), + FRAC_CONST(0.70188115685226271), + FRAC_CONST(0.703045705204703), + FRAC_CONST(0.70420837129221303), + FRAC_CONST(0.70536915200198613), + FRAC_CONST(0.70652804422626281), + FRAC_CONST(0.70768504486233985), + FRAC_CONST(0.70884015081257845), + FRAC_CONST(0.70999335898441229), + FRAC_CONST(0.711144666290356), + FRAC_CONST(0.71229406964801356), + FRAC_CONST(0.71344156598008623), + FRAC_CONST(0.71458715221438096), + FRAC_CONST(0.71573082528381871), + FRAC_CONST(0.71687258212644234), + FRAC_CONST(0.7180124196854254), + FRAC_CONST(0.71915033490907943), + FRAC_CONST(0.72028632475086318), + FRAC_CONST(0.72142038616938997), + FRAC_CONST(0.72255251612843596), + FRAC_CONST(0.72368271159694852), + FRAC_CONST(0.72481096954905444), + FRAC_CONST(0.72593728696406756), + FRAC_CONST(0.72706166082649704), + FRAC_CONST(0.72818408812605595), + FRAC_CONST(0.72930456585766834), + FRAC_CONST(0.73042309102147851), + FRAC_CONST(0.73153966062285747), + FRAC_CONST(0.73265427167241282), + FRAC_CONST(0.73376692118599507), + FRAC_CONST(0.73487760618470677), + FRAC_CONST(0.73598632369490979), + FRAC_CONST(0.73709307074823405), + FRAC_CONST(0.73819784438158409), + FRAC_CONST(0.73930064163714881), + FRAC_CONST(0.74040145956240788), + FRAC_CONST(0.74150029521014049), + FRAC_CONST(0.74259714563843304), + FRAC_CONST(0.74369200791068657), + FRAC_CONST(0.74478487909562552), + FRAC_CONST(0.74587575626730485), + FRAC_CONST(0.74696463650511791), + FRAC_CONST(0.74805151689380456), + FRAC_CONST(0.74913639452345926), + FRAC_CONST(0.75021926648953785), + FRAC_CONST(0.75130012989286621), + FRAC_CONST(0.7523789818396478), + FRAC_CONST(0.75345581944147111), + FRAC_CONST(0.75453063981531809), + FRAC_CONST(0.75560344008357094), + FRAC_CONST(0.75667421737402052), + FRAC_CONST(0.7577429688198738), + FRAC_CONST(0.75880969155976163), + FRAC_CONST(0.75987438273774599), + FRAC_CONST(0.76093703950332836), + FRAC_CONST(0.76199765901145666), + FRAC_CONST(0.76305623842253345), + FRAC_CONST(0.76411277490242291), + FRAC_CONST(0.76516726562245885), + FRAC_CONST(0.76621970775945258), + FRAC_CONST(0.76727009849569949), + FRAC_CONST(0.76831843501898767), + FRAC_CONST(0.76936471452260458), + FRAC_CONST(0.77040893420534517), + FRAC_CONST(0.77145109127151923), + FRAC_CONST(0.77249118293095853), + FRAC_CONST(0.77352920639902467), + FRAC_CONST(0.77456515889661659), + FRAC_CONST(0.77559903765017746), + FRAC_CONST(0.7766308398917029), + FRAC_CONST(0.77766056285874774), + FRAC_CONST(0.77868820379443371), + FRAC_CONST(0.77971375994745684), + FRAC_CONST(0.78073722857209438), + FRAC_CONST(0.7817586069282132), + FRAC_CONST(0.78277789228127592), + FRAC_CONST(0.78379508190234881), + FRAC_CONST(0.78481017306810918), + FRAC_CONST(0.78582316306085265), + FRAC_CONST(0.78683404916849986), + FRAC_CONST(0.78784282868460476), + FRAC_CONST(0.78884949890836087), + FRAC_CONST(0.78985405714460888), + FRAC_CONST(0.7908565007038445), + FRAC_CONST(0.79185682690222425), + FRAC_CONST(0.79285503306157412), + FRAC_CONST(0.79385111650939566), + FRAC_CONST(0.79484507457887377), + FRAC_CONST(0.79583690460888357), + FRAC_CONST(0.79682660394399751), + FRAC_CONST(0.79781416993449272), + FRAC_CONST(0.79879959993635785), + FRAC_CONST(0.7997828913113002), + FRAC_CONST(0.80076404142675273), + FRAC_CONST(0.80174304765588156), + FRAC_CONST(0.80271990737759213), + FRAC_CONST(0.80369461797653707), + FRAC_CONST(0.80466717684312306), + FRAC_CONST(0.80563758137351682), + FRAC_CONST(0.80660582896965372), + FRAC_CONST(0.80757191703924336), + FRAC_CONST(0.80853584299577752), + FRAC_CONST(0.80949760425853612), + FRAC_CONST(0.81045719825259477), + FRAC_CONST(0.81141462240883167), + FRAC_CONST(0.81236987416393436), + FRAC_CONST(0.81332295096040608), + FRAC_CONST(0.81427385024657373), + FRAC_CONST(0.81522256947659355), + FRAC_CONST(0.81616910611045879), + FRAC_CONST(0.817113457614006), + FRAC_CONST(0.81805562145892186), + FRAC_CONST(0.81899559512275044), + FRAC_CONST(0.81993337608889916), + FRAC_CONST(0.82086896184664637), + FRAC_CONST(0.8218023498911472), + FRAC_CONST(0.82273353772344116), + FRAC_CONST(0.82366252285045805), + FRAC_CONST(0.82458930278502529), + FRAC_CONST(0.82551387504587381), + FRAC_CONST(0.82643623715764558), + FRAC_CONST(0.82735638665089983), + FRAC_CONST(0.82827432106211907), + FRAC_CONST(0.82919003793371693), + FRAC_CONST(0.83010353481404364), + FRAC_CONST(0.83101480925739324), + FRAC_CONST(0.83192385882400965), + FRAC_CONST(0.83283068108009373), + FRAC_CONST(0.8337352735978093), + FRAC_CONST(0.83463763395529011), + FRAC_CONST(0.83553775973664579), + FRAC_CONST(0.83643564853196872), + FRAC_CONST(0.83733129793734051), + FRAC_CONST(0.83822470555483797), + FRAC_CONST(0.83911586899254031), + FRAC_CONST(0.84000478586453453), + FRAC_CONST(0.84089145379092289), + FRAC_CONST(0.84177587039782842), + FRAC_CONST(0.84265803331740163), + FRAC_CONST(0.84353794018782702), + FRAC_CONST(0.844415588653329), + FRAC_CONST(0.8452909763641786), + FRAC_CONST(0.84616410097669936), + FRAC_CONST(0.84703496015327406), + FRAC_CONST(0.84790355156235053), + FRAC_CONST(0.84876987287844818), + FRAC_CONST(0.8496339217821639), + FRAC_CONST(0.85049569596017938), + FRAC_CONST(0.85135519310526508), + FRAC_CONST(0.85221241091628896), + FRAC_CONST(0.85306734709822085), + FRAC_CONST(0.85391999936213903), + FRAC_CONST(0.85477036542523732), + FRAC_CONST(0.85561844301082923), + FRAC_CONST(0.85646422984835635), + FRAC_CONST(0.85730772367339259), + FRAC_CONST(0.85814892222765116), + FRAC_CONST(0.85898782325899026), + FRAC_CONST(0.85982442452141961), + FRAC_CONST(0.86065872377510555), + FRAC_CONST(0.86149071878637817), + FRAC_CONST(0.8623204073277364), + FRAC_CONST(0.86314778717785412), + FRAC_CONST(0.8639728561215867), + FRAC_CONST(0.86479561194997623), + FRAC_CONST(0.86561605246025763), + FRAC_CONST(0.86643417545586487), + FRAC_CONST(0.8672499787464365), + FRAC_CONST(0.86806346014782154), + FRAC_CONST(0.8688746174820855), + FRAC_CONST(0.86968344857751589), + FRAC_CONST(0.87048995126862883), + FRAC_CONST(0.87129412339617363), + FRAC_CONST(0.87209596280713941), + FRAC_CONST(0.8728954673547612), + FRAC_CONST(0.87369263489852422), + FRAC_CONST(0.87448746330417149), + FRAC_CONST(0.87527995044370765), + FRAC_CONST(0.8760700941954066), + FRAC_CONST(0.87685789244381551), + FRAC_CONST(0.87764334307976144), + FRAC_CONST(0.87842644400035663), + FRAC_CONST(0.8792071931090043), + FRAC_CONST(0.87998558831540408), + FRAC_CONST(0.88076162753555787), + FRAC_CONST(0.88153530869177488), + FRAC_CONST(0.88230662971267804), + FRAC_CONST(0.88307558853320878), + FRAC_CONST(0.88384218309463292), + FRAC_CONST(0.8846064113445461), + FRAC_CONST(0.88536827123687933), + FRAC_CONST(0.88612776073190425), + FRAC_CONST(0.88688487779623937), + FRAC_CONST(0.88763962040285393), + FRAC_CONST(0.8883919865310751), + FRAC_CONST(0.88914197416659235), + FRAC_CONST(0.88988958130146301), + FRAC_CONST(0.8906348059341177), + FRAC_CONST(0.89137764606936609), + FRAC_CONST(0.89211809971840139), + FRAC_CONST(0.89285616489880615), + FRAC_CONST(0.89359183963455813), + FRAC_CONST(0.89432512195603453), + FRAC_CONST(0.89505600990001799), + FRAC_CONST(0.89578450150970124), + FRAC_CONST(0.8965105948346932), + FRAC_CONST(0.89723428793102367), + FRAC_CONST(0.89795557886114807), + FRAC_CONST(0.89867446569395382), + FRAC_CONST(0.89939094650476448), + FRAC_CONST(0.90010501937534515), + FRAC_CONST(0.900816682393908), + FRAC_CONST(0.90152593365511691), + FRAC_CONST(0.90223277126009283), + FRAC_CONST(0.90293719331641886), + FRAC_CONST(0.90363919793814496), + FRAC_CONST(0.90433878324579353), + FRAC_CONST(0.90503594736636439), + FRAC_CONST(0.90573068843333915), + FRAC_CONST(0.90642300458668679), + FRAC_CONST(0.90711289397286898), + FRAC_CONST(0.90780035474484411), + FRAC_CONST(0.90848538506207266), + FRAC_CONST(0.90916798309052227), + FRAC_CONST(0.90984814700267291), + FRAC_CONST(0.9105258749775208), + FRAC_CONST(0.91120116520058425), + FRAC_CONST(0.91187401586390815), + FRAC_CONST(0.91254442516606893), + FRAC_CONST(0.9132123913121788), + FRAC_CONST(0.91387791251389161), + FRAC_CONST(0.91454098698940678), + FRAC_CONST(0.91520161296347435), + FRAC_CONST(0.91585978866739981), + FRAC_CONST(0.91651551233904871), + FRAC_CONST(0.91716878222285148), + FRAC_CONST(0.91781959656980805), + FRAC_CONST(0.91846795363749245), + FRAC_CONST(0.91911385169005766), + FRAC_CONST(0.9197572889982405), + FRAC_CONST(0.9203982638393654), + FRAC_CONST(0.92103677449734989), + FRAC_CONST(0.92167281926270861), + FRAC_CONST(0.92230639643255874), + FRAC_CONST(0.92293750431062316), + FRAC_CONST(0.92356614120723612), + FRAC_CONST(0.92419230543934783), + FRAC_CONST(0.92481599533052783), + FRAC_CONST(0.92543720921097061), + FRAC_CONST(0.92605594541749991), + FRAC_CONST(0.92667220229357261), + FRAC_CONST(0.92728597818928349), + FRAC_CONST(0.9278972714613698), + FRAC_CONST(0.92850608047321548), + FRAC_CONST(0.9291124035948557), + FRAC_CONST(0.92971623920298097), + FRAC_CONST(0.93031758568094147), + FRAC_CONST(0.93091644141875196), + FRAC_CONST(0.93151280481309506), + FRAC_CONST(0.93210667426732674), + FRAC_CONST(0.93269804819147983), + FRAC_CONST(0.93328692500226818), + FRAC_CONST(0.93387330312309147), + FRAC_CONST(0.93445718098403896), + FRAC_CONST(0.93503855702189376), + FRAC_CONST(0.9356174296801375), + FRAC_CONST(0.93619379740895381), + FRAC_CONST(0.93676765866523259), + FRAC_CONST(0.93733901191257496), + FRAC_CONST(0.93790785562129597), + FRAC_CONST(0.93847418826842988), + FRAC_CONST(0.93903800833773399), + FRAC_CONST(0.93959931431969212), + FRAC_CONST(0.94015810471151917), + FRAC_CONST(0.94071437801716529), + FRAC_CONST(0.94126813274731924), + FRAC_CONST(0.94181936741941319), + FRAC_CONST(0.94236808055762578), + FRAC_CONST(0.94291427069288691), + FRAC_CONST(0.94345793636288133), + FRAC_CONST(0.94399907611205225), + FRAC_CONST(0.9445376884916058), + FRAC_CONST(0.94507377205951448), + FRAC_CONST(0.94560732538052128), + FRAC_CONST(0.94613834702614352), + FRAC_CONST(0.94666683557467624), + FRAC_CONST(0.94719278961119657), + FRAC_CONST(0.94771620772756759), + FRAC_CONST(0.94823708852244104), + FRAC_CONST(0.94875543060126255), + FRAC_CONST(0.94927123257627433), + FRAC_CONST(0.94978449306651924), + FRAC_CONST(0.95029521069784428), + FRAC_CONST(0.9508033841029051), + FRAC_CONST(0.95130901192116835), + FRAC_CONST(0.9518120927989161), + FRAC_CONST(0.95231262538924943), + FRAC_CONST(0.95281060835209208), + FRAC_CONST(0.95330604035419386), + FRAC_CONST(0.95379892006913403), + FRAC_CONST(0.95428924617732525), + FRAC_CONST(0.95477701736601728), + FRAC_CONST(0.95526223232929941), + FRAC_CONST(0.95574488976810545), + FRAC_CONST(0.95622498839021619), + FRAC_CONST(0.95670252691026292), + FRAC_CONST(0.95717750404973156), + FRAC_CONST(0.95764991853696524), + FRAC_CONST(0.95811976910716812), + FRAC_CONST(0.95858705450240911), + FRAC_CONST(0.95905177347162429), + FRAC_CONST(0.95951392477062125), + FRAC_CONST(0.95997350716208196), + FRAC_CONST(0.96043051941556579), + FRAC_CONST(0.96088496030751369), + FRAC_CONST(0.96133682862125036), + FRAC_CONST(0.96178612314698864), + FRAC_CONST(0.96223284268183173), + FRAC_CONST(0.9626769860297768), + FRAC_CONST(0.96311855200171881), + FRAC_CONST(0.96355753941545252), + FRAC_CONST(0.96399394709567654), + FRAC_CONST(0.96442777387399625), + FRAC_CONST(0.96485901858892686), + FRAC_CONST(0.96528768008589627), + FRAC_CONST(0.96571375721724895), + FRAC_CONST(0.96613724884224783), + FRAC_CONST(0.96655815382707866), + FRAC_CONST(0.96697647104485207), + FRAC_CONST(0.96739219937560694), + FRAC_CONST(0.96780533770631338), + FRAC_CONST(0.96821588493087585), + FRAC_CONST(0.9686238399501359), + FRAC_CONST(0.96902920167187501), + FRAC_CONST(0.96943196901081796), + FRAC_CONST(0.96983214088863534), + FRAC_CONST(0.9702297162339466), + FRAC_CONST(0.97062469398232287), + FRAC_CONST(0.97101707307629004), + FRAC_CONST(0.97140685246533098), + FRAC_CONST(0.97179403110588902), + FRAC_CONST(0.97217860796137046), + FRAC_CONST(0.97256058200214734), + FRAC_CONST(0.97293995220556007), + FRAC_CONST(0.97331671755592064), + FRAC_CONST(0.97369087704451474), + FRAC_CONST(0.97406242966960455), + FRAC_CONST(0.97443137443643235), + FRAC_CONST(0.97479771035722163), + FRAC_CONST(0.97516143645118103), + FRAC_CONST(0.97552255174450631), + FRAC_CONST(0.97588105527038305), + FRAC_CONST(0.97623694606898959), + FRAC_CONST(0.97659022318749911), + FRAC_CONST(0.97694088568008242), + FRAC_CONST(0.97728893260791039), + FRAC_CONST(0.97763436303915685), + FRAC_CONST(0.97797717604900047), + FRAC_CONST(0.97831737071962765), + FRAC_CONST(0.97865494614023485), + FRAC_CONST(0.97898990140703124), + FRAC_CONST(0.97932223562324061), + FRAC_CONST(0.97965194789910426), + FRAC_CONST(0.9799790373518833), + FRAC_CONST(0.98030350310586067), + FRAC_CONST(0.98062534429234405), + FRAC_CONST(0.98094456004966768), + FRAC_CONST(0.98126114952319499), + FRAC_CONST(0.98157511186532054), + FRAC_CONST(0.98188644623547261), + FRAC_CONST(0.98219515180011563), + FRAC_CONST(0.98250122773275184), + FRAC_CONST(0.98280467321392362), + FRAC_CONST(0.98310548743121629), + FRAC_CONST(0.98340366957925973), + FRAC_CONST(0.98369921885973044), + FRAC_CONST(0.98399213448135414), + FRAC_CONST(0.98428241565990748), + FRAC_CONST(0.98457006161822058), + FRAC_CONST(0.98485507158617835), + FRAC_CONST(0.98513744480072363), + FRAC_CONST(0.98541718050585803), + FRAC_CONST(0.98569427795264519), + FRAC_CONST(0.98596873639921168), + FRAC_CONST(0.98624055511074971), + FRAC_CONST(0.98650973335951875), + FRAC_CONST(0.98677627042484772), + FRAC_CONST(0.98704016559313645), + FRAC_CONST(0.98730141815785832), + FRAC_CONST(0.98756002741956173), + FRAC_CONST(0.9878159926858715), + FRAC_CONST(0.98806931327149194), + FRAC_CONST(0.98831998849820735), + FRAC_CONST(0.98856801769488489), + FRAC_CONST(0.98881340019747566), + FRAC_CONST(0.98905613534901682), + FRAC_CONST(0.98929622249963345), + FRAC_CONST(0.98953366100653983), + FRAC_CONST(0.98976845023404181), + FRAC_CONST(0.99000058955353776), + FRAC_CONST(0.99023007834352106), + FRAC_CONST(0.99045691598958097), + FRAC_CONST(0.99068110188440506), + FRAC_CONST(0.99090263542778001), + FRAC_CONST(0.99112151602659404), + FRAC_CONST(0.99133774309483769), + FRAC_CONST(0.99155131605360625), + FRAC_CONST(0.99176223433110056), + FRAC_CONST(0.99197049736262888), + FRAC_CONST(0.99217610459060845), + FRAC_CONST(0.99237905546456673), + FRAC_CONST(0.99257934944114334), + FRAC_CONST(0.99277698598409092), + FRAC_CONST(0.99297196456427694), + FRAC_CONST(0.99316428465968509), + FRAC_CONST(0.99335394575541669), + FRAC_CONST(0.99354094734369169), + FRAC_CONST(0.99372528892385081), + FRAC_CONST(0.99390697000235606), + FRAC_CONST(0.99408599009279242), + FRAC_CONST(0.99426234871586938), + FRAC_CONST(0.99443604539942176), + FRAC_CONST(0.99460707967841133), + FRAC_CONST(0.99477545109492771), + FRAC_CONST(0.99494115919819004), + FRAC_CONST(0.99510420354454787), + FRAC_CONST(0.99526458369748239), + FRAC_CONST(0.99542229922760772), + FRAC_CONST(0.99557734971267187), + FRAC_CONST(0.9957297347375581), + FRAC_CONST(0.99587945389428578), + FRAC_CONST(0.99602650678201154), + FRAC_CONST(0.99617089300703077), + FRAC_CONST(0.996312612182778), + FRAC_CONST(0.99645166392982831), + FRAC_CONST(0.99658804787589839), + FRAC_CONST(0.99672176365584741), + FRAC_CONST(0.99685281091167788), + FRAC_CONST(0.99698118929253687), + FRAC_CONST(0.99710689845471678), + FRAC_CONST(0.99722993806165661), + FRAC_CONST(0.99735030778394196), + FRAC_CONST(0.99746800729930707), + FRAC_CONST(0.99758303629263489), + FRAC_CONST(0.99769539445595812), + FRAC_CONST(0.99780508148846014), + FRAC_CONST(0.99791209709647588), + FRAC_CONST(0.99801644099349218), + FRAC_CONST(0.99811811290014918), + FRAC_CONST(0.9982171125442405), + FRAC_CONST(0.9983134396607144), + FRAC_CONST(0.99840709399167404), + FRAC_CONST(0.99849807528637868), + FRAC_CONST(0.99858638330124405), + FRAC_CONST(0.99867201779984294), + FRAC_CONST(0.99875497855290607), + FRAC_CONST(0.99883526533832245), + FRAC_CONST(0.99891287794114036), + FRAC_CONST(0.99898781615356746), + FRAC_CONST(0.99906007977497147), + FRAC_CONST(0.99912966861188113), + FRAC_CONST(0.99919658247798593), + FRAC_CONST(0.99926082119413751), + FRAC_CONST(0.99932238458834954), + FRAC_CONST(0.999381272495798), + FRAC_CONST(0.99943748475882255), + FRAC_CONST(0.9994910212269259), + FRAC_CONST(0.99954188175677483), + FRAC_CONST(0.99959006621220048), + FRAC_CONST(0.99963557446419837), + FRAC_CONST(0.99967840639092931), + FRAC_CONST(0.99971856187771946), + FRAC_CONST(0.99975604081706027), + FRAC_CONST(0.99979084310860955), + FRAC_CONST(0.99982296865919107), + FRAC_CONST(0.99985241738279484), + FRAC_CONST(0.99987918920057806), + FRAC_CONST(0.99990328404086426), + FRAC_CONST(0.9999247018391445), + FRAC_CONST(0.99994344253807688), + FRAC_CONST(0.99995950608748674), + FRAC_CONST(0.99997289244436727), + FRAC_CONST(0.99998360157287902), + FRAC_CONST(0.9999916334443506), + FRAC_CONST(0.99999698803727821), + FRAC_CONST(0.99999966533732598) + }; +#endif + + ALIGN static const real_t sine_short_128[] = { + FRAC_CONST(0.0061358846491544753), + FRAC_CONST(0.01840672990580482), + FRAC_CONST(0.030674803176636626), + FRAC_CONST(0.04293825693494082), + FRAC_CONST(0.055195244349689934), + FRAC_CONST(0.067443919563664051), + FRAC_CONST(0.079682437971430126), + FRAC_CONST(0.091908956497132724), + FRAC_CONST(0.10412163387205459), + FRAC_CONST(0.11631863091190475), + FRAC_CONST(0.12849811079379317), + FRAC_CONST(0.14065823933284921), + FRAC_CONST(0.15279718525844344), + FRAC_CONST(0.16491312048996989), + FRAC_CONST(0.17700422041214875), + FRAC_CONST(0.18906866414980619), + FRAC_CONST(0.2011046348420919), + FRAC_CONST(0.21311031991609136), + FRAC_CONST(0.22508391135979283), + FRAC_CONST(0.2370236059943672), + FRAC_CONST(0.24892760574572015), + FRAC_CONST(0.26079411791527551), + FRAC_CONST(0.27262135544994898), + FRAC_CONST(0.28440753721127188), + FRAC_CONST(0.29615088824362379), + FRAC_CONST(0.30784964004153487), + FRAC_CONST(0.31950203081601569), + FRAC_CONST(0.33110630575987643), + FRAC_CONST(0.34266071731199438), + FRAC_CONST(0.35416352542049034), + FRAC_CONST(0.36561299780477385), + FRAC_CONST(0.37700741021641826), + FRAC_CONST(0.38834504669882625), + FRAC_CONST(0.39962419984564679), + FRAC_CONST(0.41084317105790391), + FRAC_CONST(0.42200027079979968), + FRAC_CONST(0.43309381885315196), + FRAC_CONST(0.4441221445704292), + FRAC_CONST(0.45508358712634384), + FRAC_CONST(0.46597649576796618), + FRAC_CONST(0.47679923006332209), + FRAC_CONST(0.487550160148436), + FRAC_CONST(0.49822766697278187), + FRAC_CONST(0.50883014254310699), + FRAC_CONST(0.51935599016558964), + FRAC_CONST(0.52980362468629461), + FRAC_CONST(0.54017147272989285), + FRAC_CONST(0.55045797293660481), + FRAC_CONST(0.56066157619733603), + FRAC_CONST(0.57078074588696726), + FRAC_CONST(0.58081395809576453), + FRAC_CONST(0.59075970185887416), + FRAC_CONST(0.60061647938386897), + FRAC_CONST(0.61038280627630948), + FRAC_CONST(0.6200572117632891), + FRAC_CONST(0.62963823891492698), + FRAC_CONST(0.63912444486377573), + FRAC_CONST(0.64851440102211244), + FRAC_CONST(0.65780669329707864), + FRAC_CONST(0.66699992230363747), + FRAC_CONST(0.67609270357531592), + FRAC_CONST(0.68508366777270036), + FRAC_CONST(0.693971460889654), + FRAC_CONST(0.7027547444572253), + FRAC_CONST(0.71143219574521643), + FRAC_CONST(0.72000250796138165), + FRAC_CONST(0.7284643904482252), + FRAC_CONST(0.73681656887736979), + FRAC_CONST(0.74505778544146595), + FRAC_CONST(0.75318679904361241), + FRAC_CONST(0.76120238548426178), + FRAC_CONST(0.76910333764557959), + FRAC_CONST(0.77688846567323244), + FRAC_CONST(0.78455659715557524), + FRAC_CONST(0.79210657730021239), + FRAC_CONST(0.79953726910790501), + FRAC_CONST(0.80684755354379922), + FRAC_CONST(0.8140363297059483), + FRAC_CONST(0.82110251499110465), + FRAC_CONST(0.8280450452577558), + FRAC_CONST(0.83486287498638001), + FRAC_CONST(0.84155497743689833), + FRAC_CONST(0.84812034480329712), + FRAC_CONST(0.85455798836540053), + FRAC_CONST(0.86086693863776731), + FRAC_CONST(0.86704624551569265), + FRAC_CONST(0.87309497841829009), + FRAC_CONST(0.87901222642863341), + FRAC_CONST(0.88479709843093779), + FRAC_CONST(0.89044872324475788), + FRAC_CONST(0.89596624975618511), + FRAC_CONST(0.90134884704602203), + FRAC_CONST(0.90659570451491533), + FRAC_CONST(0.91170603200542988), + FRAC_CONST(0.9166790599210427), + FRAC_CONST(0.9215140393420419), + FRAC_CONST(0.92621024213831127), + FRAC_CONST(0.93076696107898371), + FRAC_CONST(0.9351835099389475), + FRAC_CONST(0.93945922360218992), + FRAC_CONST(0.94359345816196039), + FRAC_CONST(0.94758559101774109), + FRAC_CONST(0.95143502096900834), + FRAC_CONST(0.95514116830577067), + FRAC_CONST(0.9587034748958716), + FRAC_CONST(0.96212140426904158), + FRAC_CONST(0.9653944416976894), + FRAC_CONST(0.96852209427441727), + FRAC_CONST(0.97150389098625178), + FRAC_CONST(0.97433938278557586), + FRAC_CONST(0.97702814265775439), + FRAC_CONST(0.97956976568544052), + FRAC_CONST(0.98196386910955524), + FRAC_CONST(0.98421009238692903), + FRAC_CONST(0.98630809724459867), + FRAC_CONST(0.98825756773074946), + FRAC_CONST(0.99005821026229712), + FRAC_CONST(0.99170975366909953), + FRAC_CONST(0.9932119492347945), + FRAC_CONST(0.99456457073425542), + FRAC_CONST(0.99576741446765982), + FRAC_CONST(0.99682029929116567), + FRAC_CONST(0.99772306664419164), + FRAC_CONST(0.99847558057329477), + FRAC_CONST(0.99907772775264536), + FRAC_CONST(0.99952941750109314), + FRAC_CONST(0.9998305817958234), + FRAC_CONST(0.99998117528260111) + }; + +#ifdef ALLOW_SMALL_FRAMELENGTH + ALIGN static const real_t sine_short_120[] = { + FRAC_CONST(0.0065449379673518581), + FRAC_CONST(0.019633692460628301), + FRAC_CONST(0.032719082821776137), + FRAC_CONST(0.045798866936520771), + FRAC_CONST(0.058870803651189033), + FRAC_CONST(0.071932653156719387), + FRAC_CONST(0.084982177372441667), + FRAC_CONST(0.09801714032956059), + FRAC_CONST(0.11103530855427769), + FRAC_CONST(0.12403445145048532), + FRAC_CONST(0.13701234168196802), + FRAC_CONST(0.14996675555404498), + FRAC_CONST(0.16289547339458874), + FRAC_CONST(0.17579627993435451), + FRAC_CONST(0.18866696468655525), + FRAC_CONST(0.2015053223256171), + FRAC_CONST(0.21430915306505074), + FRAC_CONST(0.2270762630343732), + FRAC_CONST(0.23980446465501654), + FRAC_CONST(0.25249157701515795), + FRAC_CONST(0.26513542624340797), + FRAC_CONST(0.27773384588129219), + FRAC_CONST(0.29028467725446233), + FRAC_CONST(0.3027857698425746), + FRAC_CONST(0.31523498164776964), + FRAC_CONST(0.32763017956169349), + FRAC_CONST(0.33996923973099424), + FRAC_CONST(0.35225004792123354), + FRAC_CONST(0.36447049987914965), + FRAC_CONST(0.37662850169321077), + FRAC_CONST(0.38872197015239557), + FRAC_CONST(0.40074883310314097), + FRAC_CONST(0.41270702980439467), + FRAC_CONST(0.42459451128071307), + FRAC_CONST(0.43640924067334208), + FRAC_CONST(0.44814919358922256), + FRAC_CONST(0.45981235844785984), + FRAC_CONST(0.47139673682599764), + FRAC_CONST(0.48290034380003727), + FRAC_CONST(0.49432120828614462), + FRAC_CONST(0.50565737337798455), + FRAC_CONST(0.51690689668202761), + FRAC_CONST(0.52806785065036799), + FRAC_CONST(0.53913832291100017), + FRAC_CONST(0.55011641659549337), + FRAC_CONST(0.56100025066400983), + FRAC_CONST(0.57178796022761225), + FRAC_CONST(0.58247769686780215), + FRAC_CONST(0.59306762895323706), + FRAC_CONST(0.60355594195357143), + FRAC_CONST(0.61394083875036642), + FRAC_CONST(0.62422053994501758), + FRAC_CONST(0.63439328416364549), + FRAC_CONST(0.64445732835889735), + FRAC_CONST(0.65441094810861034), + FRAC_CONST(0.66425243791128175), + FRAC_CONST(0.67398011147829784), + FRAC_CONST(0.68359230202287125), + FRAC_CONST(0.69308736254563585), + FRAC_CONST(0.70246366611685174), + FRAC_CONST(0.71171960615517138), + FRAC_CONST(0.72085359670291882), + FRAC_CONST(0.7298640726978356), + FRAC_CONST(0.73874949024124625), + FRAC_CONST(0.74750832686259672), + FRAC_CONST(0.75613908178032285), + FRAC_CONST(0.76464027615900032), + FRAC_CONST(0.77301045336273699), + FRAC_CONST(0.78124817920475853), + FRAC_CONST(0.78935204219315003), + FRAC_CONST(0.79732065377270711), + FRAC_CONST(0.80515264856285829), + FRAC_CONST(0.81284668459161513), + FRAC_CONST(0.82040144352551359), + FRAC_CONST(0.82781563089550203), + FRAC_CONST(0.83508797631874299), + FRAC_CONST(0.84221723371628654), + FRAC_CONST(0.84920218152657889), + FRAC_CONST(0.85604162291477137), + FRAC_CONST(0.86273438597779184), + FRAC_CONST(0.86927932394514362), + FRAC_CONST(0.87567531537539967), + FRAC_CONST(0.88192126434835494), + FRAC_CONST(0.88801610065280734), + FRAC_CONST(0.89395877996993212), + FRAC_CONST(0.8997482840522214), + FRAC_CONST(0.90538362089795521), + FRAC_CONST(0.91086382492117568), + FRAC_CONST(0.91618795711713596), + FRAC_CONST(0.92135510522319242), + FRAC_CONST(0.9263643838751181), + FRAC_CONST(0.93121493475880346), + FRAC_CONST(0.93590592675732565), + FRAC_CONST(0.94043655609335486), + FRAC_CONST(0.94480604646687805), + FRAC_CONST(0.94901364918821385), + FRAC_CONST(0.95305864330629697), + FRAC_CONST(0.95694033573220882), + FRAC_CONST(0.9606580613579353), + FRAC_CONST(0.96421118317032928), + FRAC_CONST(0.96759909236025976), + FRAC_CONST(0.9708212084269281), + FRAC_CONST(0.97387697927733363), + FRAC_CONST(0.97676588132087239), + FRAC_CONST(0.97948741955905139), + FRAC_CONST(0.98204112767030394), + FRAC_CONST(0.98442656808989171), + FRAC_CONST(0.98664333208487898), + FRAC_CONST(0.98869103982416728), + FRAC_CONST(0.99056934044357725), + FRAC_CONST(0.99227791210596705), + FRAC_CONST(0.99381646205637808), + FRAC_CONST(0.99518472667219682), + FRAC_CONST(0.99638247150832537), + FRAC_CONST(0.99740949133735191), + FRAC_CONST(0.99826561018471593), + FRAC_CONST(0.99895068135886012), + FRAC_CONST(0.99946458747636568), + FRAC_CONST(0.99980724048206482), + FRAC_CONST(0.99997858166412923) + }; +#endif + +#ifdef LD_DEC + ALIGN static const real_t sine_mid_512[] = { + FRAC_CONST(0.0015339801862847655), + FRAC_CONST(0.0046019261204485705), + FRAC_CONST(0.007669828739531097), + FRAC_CONST(0.010737659167264491), + FRAC_CONST(0.013805388528060391), + FRAC_CONST(0.01687298794728171), + FRAC_CONST(0.019940428551514441), + FRAC_CONST(0.023007681468839369), + FRAC_CONST(0.026074717829103901), + FRAC_CONST(0.029141508764193722), + FRAC_CONST(0.032208025408304586), + FRAC_CONST(0.035274238898213947), + FRAC_CONST(0.038340120373552694), + FRAC_CONST(0.041405640977076739), + FRAC_CONST(0.044470771854938668), + FRAC_CONST(0.047535484156959303), + FRAC_CONST(0.050599749036899282), + FRAC_CONST(0.05366353765273052), + FRAC_CONST(0.056726821166907748), + FRAC_CONST(0.059789570746639868), + FRAC_CONST(0.062851757564161406), + FRAC_CONST(0.065913352797003805), + FRAC_CONST(0.068974327628266746), + FRAC_CONST(0.072034653246889332), + FRAC_CONST(0.075094300847921305), + FRAC_CONST(0.078153241632794232), + FRAC_CONST(0.081211446809592441), + FRAC_CONST(0.084268887593324071), + FRAC_CONST(0.087325535206192059), + FRAC_CONST(0.090381360877864983), + FRAC_CONST(0.093436335845747787), + FRAC_CONST(0.096490431355252593), + FRAC_CONST(0.099543618660069319), + FRAC_CONST(0.10259586902243628), + FRAC_CONST(0.10564715371341062), + FRAC_CONST(0.10869744401313872), + FRAC_CONST(0.11174671121112659), + FRAC_CONST(0.11479492660651008), + FRAC_CONST(0.11784206150832498), + FRAC_CONST(0.12088808723577708), + FRAC_CONST(0.12393297511851216), + FRAC_CONST(0.12697669649688587), + FRAC_CONST(0.13001922272223335), + FRAC_CONST(0.13306052515713906), + FRAC_CONST(0.1361005751757062), + FRAC_CONST(0.1391393441638262), + FRAC_CONST(0.14217680351944803), + FRAC_CONST(0.14521292465284746), + FRAC_CONST(0.14824767898689603), + FRAC_CONST(0.15128103795733022), + FRAC_CONST(0.1543129730130201), + FRAC_CONST(0.15734345561623825), + FRAC_CONST(0.16037245724292828), + FRAC_CONST(0.16339994938297323), + FRAC_CONST(0.1664259035404641), + FRAC_CONST(0.16945029123396796), + FRAC_CONST(0.17247308399679595), + FRAC_CONST(0.17549425337727143), + FRAC_CONST(0.17851377093899751), + FRAC_CONST(0.18153160826112497), + FRAC_CONST(0.18454773693861962), + FRAC_CONST(0.1875621285825296), + FRAC_CONST(0.19057475482025274), + FRAC_CONST(0.19358558729580361), + FRAC_CONST(0.19659459767008022), + FRAC_CONST(0.19960175762113097), + FRAC_CONST(0.20260703884442113), + FRAC_CONST(0.20561041305309924), + FRAC_CONST(0.20861185197826349), + FRAC_CONST(0.21161132736922755), + FRAC_CONST(0.21460881099378676), + FRAC_CONST(0.21760427463848364), + FRAC_CONST(0.22059769010887351), + FRAC_CONST(0.22358902922978999), + FRAC_CONST(0.22657826384561), + FRAC_CONST(0.22956536582051887), + FRAC_CONST(0.23255030703877524), + FRAC_CONST(0.23553305940497549), + FRAC_CONST(0.23851359484431842), + FRAC_CONST(0.24149188530286933), + FRAC_CONST(0.24446790274782415), + FRAC_CONST(0.24744161916777327), + FRAC_CONST(0.25041300657296522), + FRAC_CONST(0.25338203699557016), + FRAC_CONST(0.25634868248994291), + FRAC_CONST(0.25931291513288623), + FRAC_CONST(0.26227470702391359), + FRAC_CONST(0.26523403028551179), + FRAC_CONST(0.26819085706340318), + FRAC_CONST(0.27114515952680801), + FRAC_CONST(0.27409690986870638), + FRAC_CONST(0.2770460803060999), + FRAC_CONST(0.27999264308027322), + FRAC_CONST(0.28293657045705539), + FRAC_CONST(0.28587783472708062), + FRAC_CONST(0.28881640820604948), + FRAC_CONST(0.29175226323498926), + FRAC_CONST(0.29468537218051433), + FRAC_CONST(0.2976157074350862), + FRAC_CONST(0.30054324141727345), + FRAC_CONST(0.30346794657201132), + FRAC_CONST(0.30638979537086092), + FRAC_CONST(0.30930876031226873), + FRAC_CONST(0.31222481392182488), + FRAC_CONST(0.31513792875252244), + FRAC_CONST(0.31804807738501495), + FRAC_CONST(0.32095523242787521), + FRAC_CONST(0.32385936651785285), + FRAC_CONST(0.32676045232013173), + FRAC_CONST(0.32965846252858749), + FRAC_CONST(0.33255336986604422), + FRAC_CONST(0.3354451470845316), + FRAC_CONST(0.33833376696554113), + FRAC_CONST(0.34121920232028236), + FRAC_CONST(0.34410142598993881), + FRAC_CONST(0.34698041084592368), + FRAC_CONST(0.34985612979013492), + FRAC_CONST(0.35272855575521073), + FRAC_CONST(0.35559766170478385), + FRAC_CONST(0.35846342063373654), + FRAC_CONST(0.36132580556845428), + FRAC_CONST(0.36418478956707989), + FRAC_CONST(0.36704034571976718), + FRAC_CONST(0.3698924471489341), + FRAC_CONST(0.37274106700951576), + FRAC_CONST(0.37558617848921722), + FRAC_CONST(0.37842775480876556), + FRAC_CONST(0.38126576922216238), + FRAC_CONST(0.38410019501693504), + FRAC_CONST(0.38693100551438858), + FRAC_CONST(0.38975817406985641), + FRAC_CONST(0.39258167407295147), + FRAC_CONST(0.39540147894781635), + FRAC_CONST(0.39821756215337356), + FRAC_CONST(0.40102989718357562), + FRAC_CONST(0.40383845756765407), + FRAC_CONST(0.40664321687036903), + FRAC_CONST(0.40944414869225759), + FRAC_CONST(0.41224122666988289), + FRAC_CONST(0.41503442447608163), + FRAC_CONST(0.41782371582021227), + FRAC_CONST(0.42060907444840251), + FRAC_CONST(0.42339047414379605), + FRAC_CONST(0.42616788872679962), + FRAC_CONST(0.42894129205532949), + FRAC_CONST(0.43171065802505726), + FRAC_CONST(0.43447596056965565), + FRAC_CONST(0.43723717366104409), + FRAC_CONST(0.43999427130963326), + FRAC_CONST(0.44274722756457002), + FRAC_CONST(0.44549601651398174), + FRAC_CONST(0.44824061228521989), + FRAC_CONST(0.45098098904510386), + FRAC_CONST(0.45371712100016387), + FRAC_CONST(0.45644898239688392), + FRAC_CONST(0.45917654752194409), + FRAC_CONST(0.46189979070246273), + FRAC_CONST(0.46461868630623782), + FRAC_CONST(0.46733320874198842), + FRAC_CONST(0.47004333245959562), + FRAC_CONST(0.47274903195034279), + FRAC_CONST(0.47545028174715587), + FRAC_CONST(0.47814705642484301), + FRAC_CONST(0.48083933060033396), + FRAC_CONST(0.48352707893291874), + FRAC_CONST(0.48621027612448642), + FRAC_CONST(0.48888889691976317), + FRAC_CONST(0.4915629161065499), + FRAC_CONST(0.49423230851595967), + FRAC_CONST(0.49689704902265447), + FRAC_CONST(0.49955711254508184), + FRAC_CONST(0.50221247404571079), + FRAC_CONST(0.50486310853126759), + FRAC_CONST(0.50750899105297087), + FRAC_CONST(0.51015009670676681), + FRAC_CONST(0.51278640063356296), + FRAC_CONST(0.51541787801946293), + FRAC_CONST(0.51804450409599934), + FRAC_CONST(0.52066625414036716), + FRAC_CONST(0.52328310347565643), + FRAC_CONST(0.52589502747108463), + FRAC_CONST(0.52850200154222848), + FRAC_CONST(0.531104001151255), + FRAC_CONST(0.53370100180715296), + FRAC_CONST(0.53629297906596318), + FRAC_CONST(0.53887990853100842), + FRAC_CONST(0.54146176585312344), + FRAC_CONST(0.54403852673088382), + FRAC_CONST(0.54661016691083486), + FRAC_CONST(0.54917666218771966), + FRAC_CONST(0.55173798840470734), + FRAC_CONST(0.55429412145362), + FRAC_CONST(0.5568450372751601), + FRAC_CONST(0.55939071185913614), + FRAC_CONST(0.56193112124468947), + FRAC_CONST(0.5644662415205195), + FRAC_CONST(0.56699604882510868), + FRAC_CONST(0.56952051934694714), + FRAC_CONST(0.57203962932475705), + FRAC_CONST(0.57455335504771576), + FRAC_CONST(0.57706167285567944), + FRAC_CONST(0.57956455913940563), + FRAC_CONST(0.58206199034077544), + FRAC_CONST(0.58455394295301533), + FRAC_CONST(0.58704039352091797), + FRAC_CONST(0.58952131864106394), + FRAC_CONST(0.59199669496204099), + FRAC_CONST(0.59446649918466443), + FRAC_CONST(0.5969307080621965), + FRAC_CONST(0.59938929840056454), + FRAC_CONST(0.60184224705858003), + FRAC_CONST(0.60428953094815596), + FRAC_CONST(0.60673112703452448), + FRAC_CONST(0.60916701233645321), + FRAC_CONST(0.61159716392646191), + FRAC_CONST(0.61402155893103838), + FRAC_CONST(0.61644017453085365), + FRAC_CONST(0.61885298796097632), + FRAC_CONST(0.62125997651108755), + FRAC_CONST(0.62366111752569453), + FRAC_CONST(0.62605638840434352), + FRAC_CONST(0.62844576660183271), + FRAC_CONST(0.63082922962842447), + FRAC_CONST(0.63320675505005719), + FRAC_CONST(0.63557832048855611), + FRAC_CONST(0.63794390362184406), + FRAC_CONST(0.64030348218415167), + FRAC_CONST(0.64265703396622686), + FRAC_CONST(0.64500453681554393), + FRAC_CONST(0.64734596863651206), + FRAC_CONST(0.64968130739068319), + FRAC_CONST(0.6520105310969595), + FRAC_CONST(0.65433361783180044), + FRAC_CONST(0.65665054572942894), + FRAC_CONST(0.65896129298203732), + FRAC_CONST(0.66126583783999227), + FRAC_CONST(0.66356415861203977), + FRAC_CONST(0.66585623366550972), + FRAC_CONST(0.66814204142651845), + FRAC_CONST(0.67042156038017309), + FRAC_CONST(0.67269476907077286), + FRAC_CONST(0.67496164610201193), + FRAC_CONST(0.67722217013718033), + FRAC_CONST(0.67947631989936497), + FRAC_CONST(0.68172407417164971), + FRAC_CONST(0.6839654117973154), + FRAC_CONST(0.68620031168003859), + FRAC_CONST(0.68842875278409044), + FRAC_CONST(0.6906507141345346), + FRAC_CONST(0.69286617481742463), + FRAC_CONST(0.69507511398000088), + FRAC_CONST(0.69727751083088652), + FRAC_CONST(0.69947334464028377), + FRAC_CONST(0.70166259474016845), + FRAC_CONST(0.70384524052448494), + FRAC_CONST(0.70602126144933974), + FRAC_CONST(0.70819063703319529), + FRAC_CONST(0.71035334685706231), + FRAC_CONST(0.71250937056469232), + FRAC_CONST(0.71465868786276898), + FRAC_CONST(0.71680127852109954), + FRAC_CONST(0.71893712237280438), + FRAC_CONST(0.72106619931450811), + FRAC_CONST(0.72318848930652735), + FRAC_CONST(0.72530397237306066), + FRAC_CONST(0.72741262860237577), + FRAC_CONST(0.7295144381469969), + FRAC_CONST(0.73160938122389252), + FRAC_CONST(0.73369743811466026), + FRAC_CONST(0.73577858916571348), + FRAC_CONST(0.73785281478846598), + FRAC_CONST(0.73992009545951609), + FRAC_CONST(0.74198041172083096), + FRAC_CONST(0.74403374417992918), + FRAC_CONST(0.74608007351006378), + FRAC_CONST(0.74811938045040349), + FRAC_CONST(0.75015164580621496), + FRAC_CONST(0.7521768504490427), + FRAC_CONST(0.75419497531688917), + FRAC_CONST(0.75620600141439454), + FRAC_CONST(0.75820990981301528), + FRAC_CONST(0.76020668165120242), + FRAC_CONST(0.7621962981345789), + FRAC_CONST(0.76417874053611667), + FRAC_CONST(0.76615399019631281), + FRAC_CONST(0.76812202852336531), + FRAC_CONST(0.7700828369933479), + FRAC_CONST(0.77203639715038441), + FRAC_CONST(0.77398269060682279), + FRAC_CONST(0.77592169904340758), + FRAC_CONST(0.77785340420945304), + FRAC_CONST(0.77977778792301444), + FRAC_CONST(0.78169483207105939), + FRAC_CONST(0.7836045186096382), + FRAC_CONST(0.78550682956405393), + FRAC_CONST(0.78740174702903132), + FRAC_CONST(0.78928925316888565), + FRAC_CONST(0.79116933021769009), + FRAC_CONST(0.79304196047944364), + FRAC_CONST(0.79490712632823701), + FRAC_CONST(0.79676481020841872), + FRAC_CONST(0.79861499463476082), + FRAC_CONST(0.80045766219262271), + FRAC_CONST(0.80229279553811572), + FRAC_CONST(0.8041203773982657), + FRAC_CONST(0.80594039057117628), + FRAC_CONST(0.80775281792619036), + FRAC_CONST(0.80955764240405126), + FRAC_CONST(0.81135484701706373), + FRAC_CONST(0.81314441484925359), + FRAC_CONST(0.81492632905652662), + FRAC_CONST(0.81670057286682785), + FRAC_CONST(0.81846712958029866), + FRAC_CONST(0.82022598256943469), + FRAC_CONST(0.82197711527924155), + FRAC_CONST(0.82372051122739132), + FRAC_CONST(0.82545615400437744), + FRAC_CONST(0.82718402727366902), + FRAC_CONST(0.82890411477186487), + FRAC_CONST(0.8306164003088462), + FRAC_CONST(0.83232086776792968), + FRAC_CONST(0.83401750110601813), + FRAC_CONST(0.8357062843537526), + FRAC_CONST(0.83738720161566194), + FRAC_CONST(0.83906023707031263), + FRAC_CONST(0.84072537497045807), + FRAC_CONST(0.84238259964318596), + FRAC_CONST(0.84403189549006641), + FRAC_CONST(0.84567324698729907), + FRAC_CONST(0.84730663868585832), + FRAC_CONST(0.84893205521163961), + FRAC_CONST(0.85054948126560337), + FRAC_CONST(0.85215890162391983), + FRAC_CONST(0.8537603011381113), + FRAC_CONST(0.85535366473519603), + FRAC_CONST(0.85693897741782865), + FRAC_CONST(0.85851622426444274), + FRAC_CONST(0.86008539042939014), + FRAC_CONST(0.8616464611430813), + FRAC_CONST(0.86319942171212416), + FRAC_CONST(0.86474425751946238), + FRAC_CONST(0.86628095402451299), + FRAC_CONST(0.86780949676330321), + FRAC_CONST(0.86932987134860673), + FRAC_CONST(0.87084206347007886), + FRAC_CONST(0.87234605889439154), + FRAC_CONST(0.87384184346536675), + FRAC_CONST(0.87532940310411078), + FRAC_CONST(0.87680872380914576), + FRAC_CONST(0.87827979165654146), + FRAC_CONST(0.87974259280004741), + FRAC_CONST(0.88119711347122198), + FRAC_CONST(0.88264333997956279), + FRAC_CONST(0.88408125871263499), + FRAC_CONST(0.88551085613619995), + FRAC_CONST(0.88693211879434208), + FRAC_CONST(0.88834503330959624), + FRAC_CONST(0.88974958638307289), + FRAC_CONST(0.89114576479458318), + FRAC_CONST(0.89253355540276469), + FRAC_CONST(0.89391294514520325), + FRAC_CONST(0.89528392103855758), + FRAC_CONST(0.89664647017868015), + FRAC_CONST(0.89800057974073988), + FRAC_CONST(0.89934623697934146), + FRAC_CONST(0.90068342922864686), + FRAC_CONST(0.90201214390249307), + FRAC_CONST(0.90333236849451182), + FRAC_CONST(0.90464409057824624), + FRAC_CONST(0.90594729780726846), + FRAC_CONST(0.90724197791529593), + FRAC_CONST(0.90852811871630612), + FRAC_CONST(0.90980570810465222), + FRAC_CONST(0.91107473405517625), + FRAC_CONST(0.91233518462332275), + FRAC_CONST(0.91358704794525081), + FRAC_CONST(0.91483031223794609), + FRAC_CONST(0.91606496579933161), + FRAC_CONST(0.91729099700837791), + FRAC_CONST(0.91850839432521225), + FRAC_CONST(0.91971714629122736), + FRAC_CONST(0.92091724152918952), + FRAC_CONST(0.92210866874334507), + FRAC_CONST(0.92329141671952764), + FRAC_CONST(0.9244654743252626), + FRAC_CONST(0.92563083050987272), + FRAC_CONST(0.92678747430458175), + FRAC_CONST(0.92793539482261789), + FRAC_CONST(0.92907458125931575), + FRAC_CONST(0.93020502289221907), + FRAC_CONST(0.93132670908118043), + FRAC_CONST(0.93243962926846236), + FRAC_CONST(0.93354377297883617), + FRAC_CONST(0.93463912981968078), + FRAC_CONST(0.93572568948108037), + FRAC_CONST(0.93680344173592156), + FRAC_CONST(0.93787237643998989), + FRAC_CONST(0.93893248353206449), + FRAC_CONST(0.93998375303401394), + FRAC_CONST(0.94102617505088926), + FRAC_CONST(0.94205973977101731), + FRAC_CONST(0.94308443746609349), + FRAC_CONST(0.94410025849127266), + FRAC_CONST(0.94510719328526061), + FRAC_CONST(0.94610523237040334), + FRAC_CONST(0.94709436635277722), + FRAC_CONST(0.94807458592227623), + FRAC_CONST(0.94904588185270056), + FRAC_CONST(0.950008245001843), + FRAC_CONST(0.95096166631157508), + FRAC_CONST(0.95190613680793223), + FRAC_CONST(0.95284164760119872), + FRAC_CONST(0.95376818988599033), + FRAC_CONST(0.95468575494133834), + FRAC_CONST(0.95559433413077111), + FRAC_CONST(0.95649391890239499), + FRAC_CONST(0.95738450078897586), + FRAC_CONST(0.95826607140801767), + FRAC_CONST(0.95913862246184189), + FRAC_CONST(0.96000214573766585), + FRAC_CONST(0.96085663310767966), + FRAC_CONST(0.96170207652912254), + FRAC_CONST(0.96253846804435916), + FRAC_CONST(0.96336579978095405), + FRAC_CONST(0.96418406395174572), + FRAC_CONST(0.96499325285492032), + FRAC_CONST(0.96579335887408357), + FRAC_CONST(0.96658437447833312), + FRAC_CONST(0.96736629222232851), + FRAC_CONST(0.96813910474636233), + FRAC_CONST(0.96890280477642887), + FRAC_CONST(0.96965738512429245), + FRAC_CONST(0.9704028386875555), + FRAC_CONST(0.97113915844972509), + FRAC_CONST(0.9718663374802794), + FRAC_CONST(0.97258436893473221), + FRAC_CONST(0.97329324605469825), + FRAC_CONST(0.97399296216795583), + FRAC_CONST(0.97468351068851067), + FRAC_CONST(0.97536488511665687), + FRAC_CONST(0.97603707903903902), + FRAC_CONST(0.97670008612871184), + FRAC_CONST(0.97735390014519996), + FRAC_CONST(0.97799851493455714), + FRAC_CONST(0.9786339244294231), + FRAC_CONST(0.97926012264908202), + FRAC_CONST(0.97987710369951764), + FRAC_CONST(0.98048486177346938), + FRAC_CONST(0.98108339115048659), + FRAC_CONST(0.98167268619698311), + FRAC_CONST(0.98225274136628937), + FRAC_CONST(0.98282355119870524), + FRAC_CONST(0.98338511032155118), + FRAC_CONST(0.98393741344921892), + FRAC_CONST(0.98448045538322093), + FRAC_CONST(0.98501423101223984), + FRAC_CONST(0.98553873531217606), + FRAC_CONST(0.98605396334619544), + FRAC_CONST(0.98655991026477541), + FRAC_CONST(0.98705657130575097), + FRAC_CONST(0.98754394179435923), + FRAC_CONST(0.98802201714328353), + FRAC_CONST(0.98849079285269659), + FRAC_CONST(0.98895026451030299), + FRAC_CONST(0.98940042779138038), + FRAC_CONST(0.98984127845882053), + FRAC_CONST(0.99027281236316911), + FRAC_CONST(0.99069502544266463), + FRAC_CONST(0.99110791372327678), + FRAC_CONST(0.9915114733187439), + FRAC_CONST(0.99190570043060933), + FRAC_CONST(0.99229059134825737), + FRAC_CONST(0.99266614244894802), + FRAC_CONST(0.99303235019785141), + FRAC_CONST(0.99338921114808065), + FRAC_CONST(0.9937367219407246), + FRAC_CONST(0.99407487930487937), + FRAC_CONST(0.9944036800576791), + FRAC_CONST(0.9947231211043257), + FRAC_CONST(0.99503319943811863), + FRAC_CONST(0.99533391214048228), + FRAC_CONST(0.99562525638099431), + FRAC_CONST(0.99590722941741172), + FRAC_CONST(0.99617982859569687), + FRAC_CONST(0.99644305135004263), + FRAC_CONST(0.99669689520289606), + FRAC_CONST(0.99694135776498216), + FRAC_CONST(0.99717643673532619), + FRAC_CONST(0.9974021299012753), + FRAC_CONST(0.99761843513851955), + FRAC_CONST(0.99782535041111164), + FRAC_CONST(0.99802287377148624), + FRAC_CONST(0.99821100336047819), + FRAC_CONST(0.99838973740734016), + FRAC_CONST(0.99855907422975931), + FRAC_CONST(0.99871901223387294), + FRAC_CONST(0.99886954991428356), + FRAC_CONST(0.99901068585407338), + FRAC_CONST(0.99914241872481691), + FRAC_CONST(0.99926474728659442), + FRAC_CONST(0.99937767038800285), + FRAC_CONST(0.99948118696616695), + FRAC_CONST(0.99957529604674922), + FRAC_CONST(0.99965999674395922), + FRAC_CONST(0.99973528826056168), + FRAC_CONST(0.99980116988788426), + FRAC_CONST(0.99985764100582386), + FRAC_CONST(0.9999047010828529), + FRAC_CONST(0.99994234967602391), + FRAC_CONST(0.99997058643097414), + FRAC_CONST(0.9999894110819284), + FRAC_CONST(0.99999882345170188) + }; + +#ifdef ALLOW_SMALL_FRAMELENGTH + ALIGN static const real_t sine_mid_480[] = { + FRAC_CONST(0.0016362454436240478), + FRAC_CONST(0.00490871880799799), + FRAC_CONST(0.0081811396039371282), + FRAC_CONST(0.011453472786443779), + FRAC_CONST(0.014725683311458524), + FRAC_CONST(0.017997736136235509), + FRAC_CONST(0.021269596219717739), + FRAC_CONST(0.024541228522912285), + FRAC_CONST(0.027812598009265607), + FRAC_CONST(0.03108366964503869), + FRAC_CONST(0.034354408399682276), + FRAC_CONST(0.037624779246211978), + FRAC_CONST(0.04089474716158345), + FRAC_CONST(0.044164277127067358), + FRAC_CONST(0.047433334128624507), + FRAC_CONST(0.050701883157280733), + FRAC_CONST(0.053969889209501881), + FRAC_CONST(0.057237317287568618), + FRAC_CONST(0.060504132399951269), + FRAC_CONST(0.063770299561684493), + FRAC_CONST(0.06703578379474201), + FRAC_CONST(0.070300550128411174), + FRAC_CONST(0.073564563599667426), + FRAC_CONST(0.076827789253548759), + FRAC_CONST(0.080090192143530081), + FRAC_CONST(0.083351737331897449), + FRAC_CONST(0.086612389890122182), + FRAC_CONST(0.089872114899234967), + FRAC_CONST(0.093130877450199795), + FRAC_CONST(0.096388642644287828), + FRAC_CONST(0.09964537559345106), + FRAC_CONST(0.1029010414206961), + FRAC_CONST(0.10615560526045748), + FRAC_CONST(0.10940903225897117), + FRAC_CONST(0.11266128757464781), + FRAC_CONST(0.11591233637844581), + FRAC_CONST(0.11916214385424433), + FRAC_CONST(0.1224106751992162), + FRAC_CONST(0.12565789562420052), + FRAC_CONST(0.12890377035407541), + FRAC_CONST(0.13214826462813015), + FRAC_CONST(0.13539134370043773), + FRAC_CONST(0.13863297284022669), + FRAC_CONST(0.14187311733225325), + FRAC_CONST(0.14511174247717309), + FRAC_CONST(0.14834881359191271), + FRAC_CONST(0.15158429601004111), + FRAC_CONST(0.15481815508214106), + FRAC_CONST(0.1580503561761798), + FRAC_CONST(0.16128086467788047), + FRAC_CONST(0.16450964599109233), + FRAC_CONST(0.16773666553816149), + FRAC_CONST(0.17096188876030122), + FRAC_CONST(0.17418528111796186), + FRAC_CONST(0.17740680809120093), + FRAC_CONST(0.18062643518005275), + FRAC_CONST(0.18384412790489776), + FRAC_CONST(0.18705985180683199), + FRAC_CONST(0.19027357244803589), + FRAC_CONST(0.19348525541214331), + FRAC_CONST(0.19669486630460997), + FRAC_CONST(0.19990237075308173), + FRAC_CONST(0.20310773440776286), + FRAC_CONST(0.20631092294178383), + FRAC_CONST(0.20951190205156878), + FRAC_CONST(0.21271063745720317), + FRAC_CONST(0.21590709490280058), + FRAC_CONST(0.2191012401568698), + FRAC_CONST(0.22229303901268133), + FRAC_CONST(0.22548245728863364), + FRAC_CONST(0.22866946082861941), + FRAC_CONST(0.23185401550239115), + FRAC_CONST(0.23503608720592667), + FRAC_CONST(0.23821564186179459), + FRAC_CONST(0.24139264541951888), + FRAC_CONST(0.24456706385594387), + FRAC_CONST(0.24773886317559846), + FRAC_CONST(0.25090800941106001), + FRAC_CONST(0.25407446862331851), + FRAC_CONST(0.25723820690213967), + FRAC_CONST(0.26039919036642817), + FRAC_CONST(0.26355738516459076), + FRAC_CONST(0.26671275747489837), + FRAC_CONST(0.2698652735058486), + FRAC_CONST(0.27301489949652735), + FRAC_CONST(0.27616160171697068), + FRAC_CONST(0.27930534646852595), + FRAC_CONST(0.28244610008421245), + FRAC_CONST(0.2855838289290823), + FRAC_CONST(0.28871849940058025), + FRAC_CONST(0.29185007792890405), + FRAC_CONST(0.29497853097736348), + FRAC_CONST(0.2981038250427398), + FRAC_CONST(0.30122592665564446), + FRAC_CONST(0.30434480238087736), + FRAC_CONST(0.30746041881778519), + FRAC_CONST(0.31057274260061901), + FRAC_CONST(0.31368174039889146), + FRAC_CONST(0.31678737891773395), + FRAC_CONST(0.31988962489825296), + FRAC_CONST(0.32298844511788638), + FRAC_CONST(0.32608380639075912), + FRAC_CONST(0.32917567556803889), + FRAC_CONST(0.33226401953829071), + FRAC_CONST(0.33534880522783189), + FRAC_CONST(0.33842999960108583), + FRAC_CONST(0.34150756966093632), + FRAC_CONST(0.34458148244908043), + FRAC_CONST(0.34765170504638188), + FRAC_CONST(0.35071820457322322), + FRAC_CONST(0.35378094818985806), + FRAC_CONST(0.35683990309676283), + FRAC_CONST(0.35989503653498811), + FRAC_CONST(0.36294631578650921), + FRAC_CONST(0.36599370817457672), + FRAC_CONST(0.36903718106406647), + FRAC_CONST(0.37207670186182878), + FRAC_CONST(0.37511223801703802), + FRAC_CONST(0.37814375702154046), + FRAC_CONST(0.38117122641020335), + FRAC_CONST(0.38419461376126157), + FRAC_CONST(0.38721388669666562), + FRAC_CONST(0.39022901288242801), + FRAC_CONST(0.39323996002896966), + FRAC_CONST(0.39624669589146555), + FRAC_CONST(0.39924918827019029), + FRAC_CONST(0.40224740501086254), + FRAC_CONST(0.40524131400498986), + FRAC_CONST(0.40823088319021217), + FRAC_CONST(0.41121608055064529), + FRAC_CONST(0.41419687411722372), + FRAC_CONST(0.41717323196804335), + FRAC_CONST(0.42014512222870243), + FRAC_CONST(0.42311251307264408), + FRAC_CONST(0.42607537272149631), + FRAC_CONST(0.4290336694454126), + FRAC_CONST(0.43198737156341183), + FRAC_CONST(0.43493644744371707), + FRAC_CONST(0.43788086550409511), + FRAC_CONST(0.44082059421219388), + FRAC_CONST(0.44375560208588088), + FRAC_CONST(0.44668585769357955), + FRAC_CONST(0.4496113296546066), + FRAC_CONST(0.45253198663950756), + FRAC_CONST(0.45544779737039259), + FRAC_CONST(0.45835873062127125), + FRAC_CONST(0.46126475521838717), + FRAC_CONST(0.46416584004055156), + FRAC_CONST(0.46706195401947659), + FRAC_CONST(0.46995306614010829), + FRAC_CONST(0.47283914544095862), + FRAC_CONST(0.47572016101443682), + FRAC_CONST(0.47859608200718085), + FRAC_CONST(0.4814668776203872), + FRAC_CONST(0.48433251711014125), + FRAC_CONST(0.4871929697877464), + FRAC_CONST(0.49004820502005247), + FRAC_CONST(0.49289819222978404), + FRAC_CONST(0.49574290089586776), + FRAC_CONST(0.49858230055375902), + FRAC_CONST(0.50141636079576901), + FRAC_CONST(0.50424505127138919), + FRAC_CONST(0.50706834168761705), + FRAC_CONST(0.50988620180928057), + FRAC_CONST(0.51269860145936175), + FRAC_CONST(0.51550551051931948), + FRAC_CONST(0.51830689892941317), + FRAC_CONST(0.5211027366890234), + FRAC_CONST(0.52389299385697385), + FRAC_CONST(0.52667764055185196), + FRAC_CONST(0.52945664695232897), + FRAC_CONST(0.53222998329747884), + FRAC_CONST(0.53499761988709726), + FRAC_CONST(0.53775952708201991), + FRAC_CONST(0.54051567530443978), + FRAC_CONST(0.54326603503822357), + FRAC_CONST(0.54601057682922816), + FRAC_CONST(0.54874927128561579), + FRAC_CONST(0.55148208907816942), + FRAC_CONST(0.55420900094060566), + FRAC_CONST(0.55692997766988939), + FRAC_CONST(0.559644990126546), + FRAC_CONST(0.56235400923497314), + FRAC_CONST(0.56505700598375252), + FRAC_CONST(0.56775395142596052), + FRAC_CONST(0.57044481667947822), + FRAC_CONST(0.57312957292730071), + FRAC_CONST(0.57580819141784534), + FRAC_CONST(0.57848064346525996), + FRAC_CONST(0.58114690044973039), + FRAC_CONST(0.58380693381778626), + FRAC_CONST(0.58646071508260733), + FRAC_CONST(0.58910821582432815), + FRAC_CONST(0.5917494076903429), + FRAC_CONST(0.5943842623956086), + FRAC_CONST(0.59701275172294799), + FRAC_CONST(0.59963484752335228), + FRAC_CONST(0.60225052171628191), + FRAC_CONST(0.60485974628996786), + FRAC_CONST(0.60746249330171098), + FRAC_CONST(0.61005873487818185), + FRAC_CONST(0.61264844321571899), + FRAC_CONST(0.61523159058062682), + FRAC_CONST(0.61780814930947225), + FRAC_CONST(0.62037809180938108), + FRAC_CONST(0.62294139055833397), + FRAC_CONST(0.6254980181054608), + FRAC_CONST(0.62804794707133416), + FRAC_CONST(0.63059115014826372), + FRAC_CONST(0.63312760010058777), + FRAC_CONST(0.63565726976496484), + FRAC_CONST(0.63818013205066515), + FRAC_CONST(0.64069615993986073), + FRAC_CONST(0.64320532648791406), + FRAC_CONST(0.64570760482366729), + FRAC_CONST(0.64820296814972966), + FRAC_CONST(0.65069138974276486), + FRAC_CONST(0.65317284295377676), + FRAC_CONST(0.65564730120839498), + FRAC_CONST(0.65811473800715958), + FRAC_CONST(0.660575126925805), + FRAC_CONST(0.66302844161554231), + FRAC_CONST(0.6654746558033422), + FRAC_CONST(0.66791374329221598), + FRAC_CONST(0.67034567796149647), + FRAC_CONST(0.67277043376711676), + FRAC_CONST(0.67518798474189046), + FRAC_CONST(0.67759830499578866), + FRAC_CONST(0.68000136871621808), + FRAC_CONST(0.68239715016829683), + FRAC_CONST(0.6847856236951303), + FRAC_CONST(0.68716676371808583), + FRAC_CONST(0.68954054473706683), + FRAC_CONST(0.69190694133078579), + FRAC_CONST(0.69426592815703603), + FRAC_CONST(0.69661747995296419), + FRAC_CONST(0.69896157153533944), + FRAC_CONST(0.70129817780082437), + FRAC_CONST(0.7036272737262429), + FRAC_CONST(0.70594883436884903), + FRAC_CONST(0.70826283486659336), + FRAC_CONST(0.71056925043838959), + FRAC_CONST(0.71286805638437978), + FRAC_CONST(0.71515922808619936), + FRAC_CONST(0.71744274100723993), + FRAC_CONST(0.71971857069291278), + FRAC_CONST(0.7219866927709101), + FRAC_CONST(0.72424708295146689), + FRAC_CONST(0.72649971702762028), + FRAC_CONST(0.72874457087546896), + FRAC_CONST(0.73098162045443171), + FRAC_CONST(0.73321084180750484), + FRAC_CONST(0.73543221106151868), + FRAC_CONST(0.73764570442739286), + FRAC_CONST(0.73985129820039208), + FRAC_CONST(0.74204896876037885), + FRAC_CONST(0.7442386925720671), + FRAC_CONST(0.74642044618527381), + FRAC_CONST(0.74859420623517081), + FRAC_CONST(0.75075994944253421), + FRAC_CONST(0.75291765261399446), + FRAC_CONST(0.75506729264228367), + FRAC_CONST(0.75720884650648446), + FRAC_CONST(0.75934229127227548), + FRAC_CONST(0.76146760409217706), + FRAC_CONST(0.76358476220579641), + FRAC_CONST(0.7656937429400712), + FRAC_CONST(0.76779452370951196), + FRAC_CONST(0.76988708201644451), + FRAC_CONST(0.77197139545125026), + FRAC_CONST(0.7740474416926072), + FRAC_CONST(0.77611519850772781), + FRAC_CONST(0.77817464375259782), + FRAC_CONST(0.78022575537221317), + FRAC_CONST(0.78226851140081632), + FRAC_CONST(0.78430288996213138), + FRAC_CONST(0.78632886926959822), + FRAC_CONST(0.78834642762660623), + FRAC_CONST(0.79035554342672631), + FRAC_CONST(0.79235619515394229), + FRAC_CONST(0.79434836138288134), + FRAC_CONST(0.79633202077904397), + FRAC_CONST(0.79830715209903147), + FRAC_CONST(0.8002737341907743), + FRAC_CONST(0.80223174599375802), + FRAC_CONST(0.80418116653924954), + FRAC_CONST(0.80612197495052085), + FRAC_CONST(0.80805415044307316), + FRAC_CONST(0.80997767232485907), + FRAC_CONST(0.81189251999650469), + FRAC_CONST(0.81379867295152986), + FRAC_CONST(0.81569611077656778), + FRAC_CONST(0.81758481315158371), + FRAC_CONST(0.81946475985009259), + FRAC_CONST(0.82133593073937561), + FRAC_CONST(0.82319830578069586), + FRAC_CONST(0.82505186502951278), + FRAC_CONST(0.82689658863569615), + FRAC_CONST(0.82873245684373809), + FRAC_CONST(0.83055944999296494), + FRAC_CONST(0.83237754851774781), + FRAC_CONST(0.83418673294771239), + FRAC_CONST(0.83598698390794668), + FRAC_CONST(0.83777828211920935), + FRAC_CONST(0.83956060839813562), + FRAC_CONST(0.84133394365744296), + FRAC_CONST(0.84309826890613537), + FRAC_CONST(0.84485356524970701), + FRAC_CONST(0.84659981389034411), + FRAC_CONST(0.84833699612712676), + FRAC_CONST(0.85006509335622882), + FRAC_CONST(0.8517840870711173), + FRAC_CONST(0.85349395886275037), + FRAC_CONST(0.85519469041977514), + FRAC_CONST(0.85688626352872277), + FRAC_CONST(0.85856866007420429), + FRAC_CONST(0.86024186203910447), + FRAC_CONST(0.86190585150477417), + FRAC_CONST(0.86356061065122347), + FRAC_CONST(0.86520612175731115), + FRAC_CONST(0.86684236720093533), + FRAC_CONST(0.86846932945922151), + FRAC_CONST(0.87008699110871135), + FRAC_CONST(0.87169533482554817), + FRAC_CONST(0.87329434338566281), + FRAC_CONST(0.87488399966495822), + FRAC_CONST(0.87646428663949283), + FRAC_CONST(0.87803518738566277), + FRAC_CONST(0.87959668508038291), + FRAC_CONST(0.88114876300126743), + FRAC_CONST(0.88269140452680916), + FRAC_CONST(0.8842245931365561), + FRAC_CONST(0.88574831241129048), + FRAC_CONST(0.88726254603320276), + FRAC_CONST(0.88876727778606746), + FRAC_CONST(0.89026249155541637), + FRAC_CONST(0.8917481713287112), + FRAC_CONST(0.89322430119551532), + FRAC_CONST(0.89469086534766362), + FRAC_CONST(0.89614784807943237), + FRAC_CONST(0.89759523378770689), + FRAC_CONST(0.89903300697214927), + FRAC_CONST(0.9004611522353636), + FRAC_CONST(0.90187965428306172), + FRAC_CONST(0.90328849792422594), + FRAC_CONST(0.90468766807127299), + FRAC_CONST(0.90607714974021469), + FRAC_CONST(0.90745692805081868), + FRAC_CONST(0.90882698822676755), + FRAC_CONST(0.91018731559581767), + FRAC_CONST(0.91153789558995579), + FRAC_CONST(0.91287871374555518), + FRAC_CONST(0.91420975570353069), + FRAC_CONST(0.9155310072094921), + FRAC_CONST(0.91684245411389753), + FRAC_CONST(0.91814408237220391), + FRAC_CONST(0.91943587804501858), + FRAC_CONST(0.92071782729824769), + FRAC_CONST(0.92198991640324446), + FRAC_CONST(0.92325213173695675), + FRAC_CONST(0.92450445978207241), + FRAC_CONST(0.92574688712716402), + FRAC_CONST(0.92697940046683291), + FRAC_CONST(0.92820198660185149), + FRAC_CONST(0.92941463243930444), + FRAC_CONST(0.93061732499272909), + FRAC_CONST(0.93181005138225426), + FRAC_CONST(0.93299279883473885), + FRAC_CONST(0.93416555468390772), + FRAC_CONST(0.93532830637048769), + FRAC_CONST(0.93648104144234268), + FRAC_CONST(0.93762374755460598), + FRAC_CONST(0.93875641246981323), + FRAC_CONST(0.93987902405803303), + FRAC_CONST(0.94099157029699743), + FRAC_CONST(0.94209403927222979), + FRAC_CONST(0.94318641917717327), + FRAC_CONST(0.9442686983133165), + FRAC_CONST(0.94534086509031956), + FRAC_CONST(0.9464029080261378), + FRAC_CONST(0.94745481574714419), + FRAC_CONST(0.94849657698825252), + FRAC_CONST(0.94952818059303667), + FRAC_CONST(0.95054961551385087), + FRAC_CONST(0.95156087081194762), + FRAC_CONST(0.95256193565759528), + FRAC_CONST(0.95355279933019343), + FRAC_CONST(0.9545334512183884), + FRAC_CONST(0.95550388082018611), + FRAC_CONST(0.95646407774306541), + FRAC_CONST(0.95741403170408834), + FRAC_CONST(0.95835373253001133), + FRAC_CONST(0.95928317015739362), + FRAC_CONST(0.96020233463270466), + FRAC_CONST(0.96111121611243155), + FRAC_CONST(0.96200980486318388), + FRAC_CONST(0.96289809126179782), + FRAC_CONST(0.96377606579543984), + FRAC_CONST(0.96464371906170809), + FRAC_CONST(0.96550104176873297), + FRAC_CONST(0.96634802473527726), + FRAC_CONST(0.96718465889083372), + FRAC_CONST(0.96801093527572268), + FRAC_CONST(0.96882684504118799), + FRAC_CONST(0.96963237944949143), + FRAC_CONST(0.97042752987400682), + FRAC_CONST(0.97121228779931179), + FRAC_CONST(0.97198664482127939), + FRAC_CONST(0.97275059264716823), + FRAC_CONST(0.97350412309571066), + FRAC_CONST(0.97424722809720088), + FRAC_CONST(0.97497989969358168), + FRAC_CONST(0.97570213003852857), + FRAC_CONST(0.97641391139753486), + FRAC_CONST(0.97711523614799412), + FRAC_CONST(0.97780609677928154), + FRAC_CONST(0.97848648589283505), + FRAC_CONST(0.97915639620223371), + FRAC_CONST(0.9798158205332762), + FRAC_CONST(0.98046475182405801), + FRAC_CONST(0.98110318312504607), + FRAC_CONST(0.98173110759915416), + FRAC_CONST(0.98234851852181571), + FRAC_CONST(0.98295540928105563), + FRAC_CONST(0.9835517733775615), + FRAC_CONST(0.98413760442475307), + FRAC_CONST(0.98471289614885038), + FRAC_CONST(0.98527764238894122), + FRAC_CONST(0.98583183709704714), + FRAC_CONST(0.98637547433818806), + FRAC_CONST(0.98690854829044583), + FRAC_CONST(0.98743105324502667), + FRAC_CONST(0.98794298360632238), + FRAC_CONST(0.98844433389196995), + FRAC_CONST(0.98893509873291074), + FRAC_CONST(0.98941527287344755), + FRAC_CONST(0.98988485117130098), + FRAC_CONST(0.99034382859766479), + FRAC_CONST(0.99079220023725967), + FRAC_CONST(0.99122996128838525), + FRAC_CONST(0.9916571070629725), + FRAC_CONST(0.99207363298663342), + FRAC_CONST(0.99247953459870997), + FRAC_CONST(0.99287480755232194), + FRAC_CONST(0.99325944761441354), + FRAC_CONST(0.99363345066579889), + FRAC_CONST(0.99399681270120555), + FRAC_CONST(0.99434952982931812), + FRAC_CONST(0.9946915982728195), + FRAC_CONST(0.99502301436843166), + FRAC_CONST(0.99534377456695422), + FRAC_CONST(0.9956538754333033), + FRAC_CONST(0.99595331364654771), + FRAC_CONST(0.99624208599994479), + FRAC_CONST(0.99652018940097464), + FRAC_CONST(0.99678762087137318), + FRAC_CONST(0.99704437754716424), + FRAC_CONST(0.99729045667869021), + FRAC_CONST(0.99752585563064111), + FRAC_CONST(0.99775057188208349), + FRAC_CONST(0.9979646030264866), + FRAC_CONST(0.99816794677174903), + FRAC_CONST(0.9983606009402225), + FRAC_CONST(0.99854256346873571), + FRAC_CONST(0.99871383240861611), + FRAC_CONST(0.99887440592571108), + FRAC_CONST(0.99902428230040718), + FRAC_CONST(0.99916345992764877), + FRAC_CONST(0.99929193731695531), + FRAC_CONST(0.99940971309243731), + FRAC_CONST(0.99951678599281069), + FRAC_CONST(0.99961315487141078), + FRAC_CONST(0.99969881869620425), + FRAC_CONST(0.99977377654980037), + FRAC_CONST(0.99983802762946083), + FRAC_CONST(0.99989157124710804), + FRAC_CONST(0.9999344068293331), + FRAC_CONST(0.99996653391740109), + FRAC_CONST(0.99998795216725689), + FRAC_CONST(0.99999866134952808) + }; +#endif + + ALIGN static const real_t ld_mid_512[] = { + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0.0061358846491544753), + FRAC_CONST(0.01840672990580482), + FRAC_CONST(0.030674803176636626), + FRAC_CONST(0.04293825693494082), + FRAC_CONST(0.055195244349689934), + FRAC_CONST(0.067443919563664051), + FRAC_CONST(0.079682437971430126), + FRAC_CONST(0.091908956497132724), + FRAC_CONST(0.10412163387205459), + FRAC_CONST(0.11631863091190475), + FRAC_CONST(0.12849811079379317), + FRAC_CONST(0.14065823933284921), + FRAC_CONST(0.15279718525844344), + FRAC_CONST(0.16491312048996989), + FRAC_CONST(0.17700422041214875), + FRAC_CONST(0.18906866414980619), + FRAC_CONST(0.2011046348420919), + FRAC_CONST(0.21311031991609136), + FRAC_CONST(0.22508391135979283), + FRAC_CONST(0.2370236059943672), + FRAC_CONST(0.24892760574572015), + FRAC_CONST(0.26079411791527551), + FRAC_CONST(0.27262135544994898), + FRAC_CONST(0.28440753721127188), + FRAC_CONST(0.29615088824362379), + FRAC_CONST(0.30784964004153487), + FRAC_CONST(0.31950203081601569), + FRAC_CONST(0.33110630575987643), + FRAC_CONST(0.34266071731199438), + FRAC_CONST(0.35416352542049034), + FRAC_CONST(0.36561299780477385), + FRAC_CONST(0.37700741021641826), + FRAC_CONST(0.38834504669882625), + FRAC_CONST(0.39962419984564679), + FRAC_CONST(0.41084317105790391), + FRAC_CONST(0.42200027079979968), + FRAC_CONST(0.43309381885315196), + FRAC_CONST(0.4441221445704292), + FRAC_CONST(0.45508358712634384), + FRAC_CONST(0.46597649576796618), + FRAC_CONST(0.47679923006332209), + FRAC_CONST(0.487550160148436), + FRAC_CONST(0.49822766697278187), + FRAC_CONST(0.50883014254310699), + FRAC_CONST(0.51935599016558964), + FRAC_CONST(0.52980362468629461), + FRAC_CONST(0.54017147272989285), + FRAC_CONST(0.55045797293660481), + FRAC_CONST(0.56066157619733603), + FRAC_CONST(0.57078074588696726), + FRAC_CONST(0.58081395809576453), + FRAC_CONST(0.59075970185887416), + FRAC_CONST(0.60061647938386897), + FRAC_CONST(0.61038280627630948), + FRAC_CONST(0.6200572117632891), + FRAC_CONST(0.62963823891492698), + FRAC_CONST(0.63912444486377573), + FRAC_CONST(0.64851440102211244), + FRAC_CONST(0.65780669329707864), + FRAC_CONST(0.66699992230363747), + FRAC_CONST(0.67609270357531592), + FRAC_CONST(0.68508366777270036), + FRAC_CONST(0.693971460889654), + FRAC_CONST(0.7027547444572253), + FRAC_CONST(0.71143219574521643), + FRAC_CONST(0.72000250796138165), + FRAC_CONST(0.7284643904482252), + FRAC_CONST(0.73681656887736979), + FRAC_CONST(0.74505778544146595), + FRAC_CONST(0.75318679904361241), + FRAC_CONST(0.76120238548426178), + FRAC_CONST(0.76910333764557959), + FRAC_CONST(0.77688846567323244), + FRAC_CONST(0.78455659715557524), + FRAC_CONST(0.79210657730021239), + FRAC_CONST(0.79953726910790501), + FRAC_CONST(0.80684755354379922), + FRAC_CONST(0.8140363297059483), + FRAC_CONST(0.82110251499110465), + FRAC_CONST(0.8280450452577558), + FRAC_CONST(0.83486287498638001), + FRAC_CONST(0.84155497743689833), + FRAC_CONST(0.84812034480329712), + FRAC_CONST(0.85455798836540053), + FRAC_CONST(0.86086693863776731), + FRAC_CONST(0.86704624551569265), + FRAC_CONST(0.87309497841829009), + FRAC_CONST(0.87901222642863341), + FRAC_CONST(0.88479709843093779), + FRAC_CONST(0.89044872324475788), + FRAC_CONST(0.89596624975618511), + FRAC_CONST(0.90134884704602203), + FRAC_CONST(0.90659570451491533), + FRAC_CONST(0.91170603200542988), + FRAC_CONST(0.9166790599210427), + FRAC_CONST(0.9215140393420419), + FRAC_CONST(0.92621024213831127), + FRAC_CONST(0.93076696107898371), + FRAC_CONST(0.9351835099389475), + FRAC_CONST(0.93945922360218992), + FRAC_CONST(0.94359345816196039), + FRAC_CONST(0.94758559101774109), + FRAC_CONST(0.95143502096900834), + FRAC_CONST(0.95514116830577067), + FRAC_CONST(0.9587034748958716), + FRAC_CONST(0.96212140426904158), + FRAC_CONST(0.9653944416976894), + FRAC_CONST(0.96852209427441727), + FRAC_CONST(0.97150389098625178), + FRAC_CONST(0.97433938278557586), + FRAC_CONST(0.97702814265775439), + FRAC_CONST(0.97956976568544052), + FRAC_CONST(0.98196386910955524), + FRAC_CONST(0.98421009238692903), + FRAC_CONST(0.98630809724459867), + FRAC_CONST(0.98825756773074946), + FRAC_CONST(0.99005821026229712), + FRAC_CONST(0.99170975366909953), + FRAC_CONST(0.9932119492347945), + FRAC_CONST(0.99456457073425542), + FRAC_CONST(0.99576741446765982), + FRAC_CONST(0.99682029929116567), + FRAC_CONST(0.99772306664419164), + FRAC_CONST(0.99847558057329477), + FRAC_CONST(0.99907772775264536), + FRAC_CONST(0.99952941750109314), + FRAC_CONST(0.9998305817958234), + FRAC_CONST(0.99998117528260111), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1) + }; + +#ifdef ALLOW_SMALL_FRAMELENGTH + ALIGN static const real_t ld_mid_480[] = { + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0), + FRAC_CONST(0.0065449379673518581), + FRAC_CONST(0.019633692460628301), + FRAC_CONST(0.032719082821776137), + FRAC_CONST(0.045798866936520771), + FRAC_CONST(0.058870803651189033), + FRAC_CONST(0.071932653156719387), + FRAC_CONST(0.084982177372441667), + FRAC_CONST(0.09801714032956059), + FRAC_CONST(0.11103530855427769), + FRAC_CONST(0.12403445145048532), + FRAC_CONST(0.13701234168196802), + FRAC_CONST(0.14996675555404498), + FRAC_CONST(0.16289547339458874), + FRAC_CONST(0.17579627993435451), + FRAC_CONST(0.18866696468655525), + FRAC_CONST(0.2015053223256171), + FRAC_CONST(0.21430915306505074), + FRAC_CONST(0.2270762630343732), + FRAC_CONST(0.23980446465501654), + FRAC_CONST(0.25249157701515795), + FRAC_CONST(0.26513542624340797), + FRAC_CONST(0.27773384588129219), + FRAC_CONST(0.29028467725446233), + FRAC_CONST(0.3027857698425746), + FRAC_CONST(0.31523498164776964), + FRAC_CONST(0.32763017956169349), + FRAC_CONST(0.33996923973099424), + FRAC_CONST(0.35225004792123354), + FRAC_CONST(0.36447049987914965), + FRAC_CONST(0.37662850169321077), + FRAC_CONST(0.38872197015239557), + FRAC_CONST(0.40074883310314097), + FRAC_CONST(0.41270702980439467), + FRAC_CONST(0.42459451128071307), + FRAC_CONST(0.43640924067334208), + FRAC_CONST(0.44814919358922256), + FRAC_CONST(0.45981235844785984), + FRAC_CONST(0.47139673682599764), + FRAC_CONST(0.48290034380003727), + FRAC_CONST(0.49432120828614462), + FRAC_CONST(0.50565737337798455), + FRAC_CONST(0.51690689668202761), + FRAC_CONST(0.52806785065036799), + FRAC_CONST(0.53913832291100017), + FRAC_CONST(0.55011641659549337), + FRAC_CONST(0.56100025066400983), + FRAC_CONST(0.57178796022761225), + FRAC_CONST(0.58247769686780215), + FRAC_CONST(0.59306762895323706), + FRAC_CONST(0.60355594195357143), + FRAC_CONST(0.61394083875036642), + FRAC_CONST(0.62422053994501758), + FRAC_CONST(0.63439328416364549), + FRAC_CONST(0.64445732835889735), + FRAC_CONST(0.65441094810861034), + FRAC_CONST(0.66425243791128175), + FRAC_CONST(0.67398011147829784), + FRAC_CONST(0.68359230202287125), + FRAC_CONST(0.69308736254563585), + FRAC_CONST(0.70246366611685174), + FRAC_CONST(0.71171960615517138), + FRAC_CONST(0.72085359670291882), + FRAC_CONST(0.7298640726978356), + FRAC_CONST(0.73874949024124625), + FRAC_CONST(0.74750832686259672), + FRAC_CONST(0.75613908178032285), + FRAC_CONST(0.76464027615900032), + FRAC_CONST(0.77301045336273699), + FRAC_CONST(0.78124817920475853), + FRAC_CONST(0.78935204219315003), + FRAC_CONST(0.79732065377270711), + FRAC_CONST(0.80515264856285829), + FRAC_CONST(0.81284668459161513), + FRAC_CONST(0.82040144352551359), + FRAC_CONST(0.82781563089550203), + FRAC_CONST(0.83508797631874299), + FRAC_CONST(0.84221723371628654), + FRAC_CONST(0.84920218152657889), + FRAC_CONST(0.85604162291477137), + FRAC_CONST(0.86273438597779184), + FRAC_CONST(0.86927932394514362), + FRAC_CONST(0.87567531537539967), + FRAC_CONST(0.88192126434835494), + FRAC_CONST(0.88801610065280734), + FRAC_CONST(0.89395877996993212), + FRAC_CONST(0.8997482840522214), + FRAC_CONST(0.90538362089795521), + FRAC_CONST(0.91086382492117568), + FRAC_CONST(0.91618795711713596), + FRAC_CONST(0.92135510522319242), + FRAC_CONST(0.9263643838751181), + FRAC_CONST(0.93121493475880346), + FRAC_CONST(0.93590592675732565), + FRAC_CONST(0.94043655609335486), + FRAC_CONST(0.94480604646687805), + FRAC_CONST(0.94901364918821385), + FRAC_CONST(0.95305864330629697), + FRAC_CONST(0.95694033573220882), + FRAC_CONST(0.9606580613579353), + FRAC_CONST(0.96421118317032928), + FRAC_CONST(0.96759909236025976), + FRAC_CONST(0.9708212084269281), + FRAC_CONST(0.97387697927733363), + FRAC_CONST(0.97676588132087239), + FRAC_CONST(0.97948741955905139), + FRAC_CONST(0.98204112767030394), + FRAC_CONST(0.98442656808989171), + FRAC_CONST(0.98664333208487898), + FRAC_CONST(0.98869103982416728), + FRAC_CONST(0.99056934044357725), + FRAC_CONST(0.99227791210596705), + FRAC_CONST(0.99381646205637808), + FRAC_CONST(0.99518472667219682), + FRAC_CONST(0.99638247150832537), + FRAC_CONST(0.99740949133735191), + FRAC_CONST(0.99826561018471593), + FRAC_CONST(0.99895068135886012), + FRAC_CONST(0.99946458747636568), + FRAC_CONST(0.99980724048206482), + FRAC_CONST(0.99997858166412923), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1), + FRAC_CONST(1) + }; +#endif +#endif + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/specrec.c b/audio_codec/libfaad/specrec.c new file mode 100644 index 0000000..cc09800 --- a/dev/null +++ b/audio_codec/libfaad/specrec.c @@ -0,0 +1,1249 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: specrec.c,v 1.62 2009/01/26 23:51:15 menno Exp $ +**/ + +/* + Spectral reconstruction: + - grouping/sectioning + - inverse quantization + - applying scalefactors +*/ +#include +#include "common.h" +#include "structs.h" + +#include +#include "specrec.h" +#include "filtbank.h" +#include "syntax.h" +#include "iq_table.h" +#include "ms.h" +#include "is.h" +#include "pns.h" +#include "tns.h" +#include "drc.h" +#include "lt_predict.h" +#include "ic_predict.h" +#ifdef SSR_DEC +#include "ssr.h" +#include "ssr_fb.h" +#endif + + +/* static function declarations */ +static uint8_t quant_to_spec(NeAACDecStruct *hDecoder, + ic_stream *ics, int16_t *quant_data, + real_t *spec_data, uint16_t frame_len); + + +#ifdef LD_DEC +ALIGN static const uint8_t num_swb_512_window[] = { + 0, 0, 0, 36, 36, 37, 31, 31, 0, 0, 0, 0 +}; +ALIGN static const uint8_t num_swb_480_window[] = { + 0, 0, 0, 35, 35, 37, 30, 30, 0, 0, 0, 0 +}; +#endif + +ALIGN static const uint8_t num_swb_960_window[] = { + 40, 40, 45, 49, 49, 49, 46, 46, 42, 42, 42, 40 +}; + +ALIGN static const uint8_t num_swb_1024_window[] = { + 41, 41, 47, 49, 49, 51, 47, 47, 43, 43, 43, 40 +}; + +ALIGN static const uint8_t num_swb_128_window[] = { + 12, 12, 12, 14, 14, 14, 15, 15, 15, 15, 15, 15 +}; + +ALIGN static const uint16_t swb_offset_1024_96[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, + 64, 72, 80, 88, 96, 108, 120, 132, 144, 156, 172, 188, 212, 240, + 276, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024 +}; + +ALIGN static const uint16_t swb_offset_128_96[] = { + 0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128 +}; + +ALIGN static const uint16_t swb_offset_1024_64[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, + 64, 72, 80, 88, 100, 112, 124, 140, 156, 172, 192, 216, 240, 268, + 304, 344, 384, 424, 464, 504, 544, 584, 624, 664, 704, 744, 784, 824, + 864, 904, 944, 984, 1024 +}; + +ALIGN static const uint16_t swb_offset_128_64[] = { + 0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128 +}; + +ALIGN static const uint16_t swb_offset_1024_48[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, + 80, 88, 96, 108, 120, 132, 144, 160, 176, 196, 216, 240, 264, 292, + 320, 352, 384, 416, 448, 480, 512, 544, 576, 608, 640, 672, 704, 736, + 768, 800, 832, 864, 896, 928, 1024 +}; + +#ifdef LD_DEC +ALIGN static const uint16_t swb_offset_512_48[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 68, 76, 84, + 92, 100, 112, 124, 136, 148, 164, 184, 208, 236, 268, 300, 332, 364, 396, + 428, 460, 512 +}; + +ALIGN static const uint16_t swb_offset_480_48[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 64, 72 , 80 , 88, + 96, 108, 120, 132, 144, 156, 172, 188, 212, 240, 272, 304, 336, 368, 400, + 432, 480 +}; +#endif + +ALIGN static const uint16_t swb_offset_128_48[] = { + 0, 4, 8, 12, 16, 20, 28, 36, 44, 56, 68, 80, 96, 112, 128 +}; + +ALIGN static const uint16_t swb_offset_1024_32[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, + 80, 88, 96, 108, 120, 132, 144, 160, 176, 196, 216, 240, 264, 292, + 320, 352, 384, 416, 448, 480, 512, 544, 576, 608, 640, 672, 704, 736, + 768, 800, 832, 864, 896, 928, 960, 992, 1024 +}; + +#ifdef LD_DEC +ALIGN static const uint16_t swb_offset_512_32[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 64, 72, 80, + 88, 96, 108, 120, 132, 144, 160, 176, 192, 212, 236, 260, 288, 320, 352, + 384, 416, 448, 480, 512 +}; + +ALIGN static const uint16_t swb_offset_480_32[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 72, 80, + 88, 96, 104, 112, 124, 136, 148, 164, 180, 200, 224, 256, 288, 320, 352, + 384, 416, 448, 480 +}; +#endif + +ALIGN static const uint16_t swb_offset_1024_24[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 52, 60, 68, + 76, 84, 92, 100, 108, 116, 124, 136, 148, 160, 172, 188, 204, 220, + 240, 260, 284, 308, 336, 364, 396, 432, 468, 508, 552, 600, 652, 704, + 768, 832, 896, 960, 1024 +}; + +#ifdef LD_DEC +ALIGN static const uint16_t swb_offset_512_24[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 52, 60, 68, + 80, 92, 104, 120, 140, 164, 192, 224, 256, 288, 320, 352, 384, 416, + 448, 480, 512 +}; + +ALIGN static const uint16_t swb_offset_480_24[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 52, 60, 68, 80, 92, 104, 120, + 140, 164, 192, 224, 256, 288, 320, 352, 384, 416, 448, 480 +}; +#endif + +ALIGN static const uint16_t swb_offset_128_24[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 64, 76, 92, 108, 128 +}; + +ALIGN static const uint16_t swb_offset_1024_16[] = { + 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 100, 112, 124, + 136, 148, 160, 172, 184, 196, 212, 228, 244, 260, 280, 300, 320, 344, + 368, 396, 424, 456, 492, 532, 572, 616, 664, 716, 772, 832, 896, 960, 1024 +}; + +ALIGN static const uint16_t swb_offset_128_16[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 32, 40, 48, 60, 72, 88, 108, 128 +}; + +ALIGN static const uint16_t swb_offset_1024_8[] = { + 0, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 172, + 188, 204, 220, 236, 252, 268, 288, 308, 328, 348, 372, 396, 420, 448, + 476, 508, 544, 580, 620, 664, 712, 764, 820, 880, 944, 1024 +}; + +ALIGN static const uint16_t swb_offset_128_8[] = { + 0, 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 60, 72, 88, 108, 128 +}; + +ALIGN static const uint16_t *swb_offset_1024_window[] = { + swb_offset_1024_96, /* 96000 */ + swb_offset_1024_96, /* 88200 */ + swb_offset_1024_64, /* 64000 */ + swb_offset_1024_48, /* 48000 */ + swb_offset_1024_48, /* 44100 */ + swb_offset_1024_32, /* 32000 */ + swb_offset_1024_24, /* 24000 */ + swb_offset_1024_24, /* 22050 */ + swb_offset_1024_16, /* 16000 */ + swb_offset_1024_16, /* 12000 */ + swb_offset_1024_16, /* 11025 */ + swb_offset_1024_8 /* 8000 */ +}; + +#ifdef LD_DEC +ALIGN static const uint16_t *swb_offset_512_window[] = { + 0, /* 96000 */ + 0, /* 88200 */ + 0, /* 64000 */ + swb_offset_512_48, /* 48000 */ + swb_offset_512_48, /* 44100 */ + swb_offset_512_32, /* 32000 */ + swb_offset_512_24, /* 24000 */ + swb_offset_512_24, /* 22050 */ + 0, /* 16000 */ + 0, /* 12000 */ + 0, /* 11025 */ + 0 /* 8000 */ +}; + +ALIGN static const uint16_t *swb_offset_480_window[] = { + 0, /* 96000 */ + 0, /* 88200 */ + 0, /* 64000 */ + swb_offset_480_48, /* 48000 */ + swb_offset_480_48, /* 44100 */ + swb_offset_480_32, /* 32000 */ + swb_offset_480_24, /* 24000 */ + swb_offset_480_24, /* 22050 */ + 0, /* 16000 */ + 0, /* 12000 */ + 0, /* 11025 */ + 0 /* 8000 */ +}; +#endif + +ALIGN static const uint16_t *swb_offset_128_window[] = { + swb_offset_128_96, /* 96000 */ + swb_offset_128_96, /* 88200 */ + swb_offset_128_64, /* 64000 */ + swb_offset_128_48, /* 48000 */ + swb_offset_128_48, /* 44100 */ + swb_offset_128_48, /* 32000 */ + swb_offset_128_24, /* 24000 */ + swb_offset_128_24, /* 22050 */ + swb_offset_128_16, /* 16000 */ + swb_offset_128_16, /* 12000 */ + swb_offset_128_16, /* 11025 */ + swb_offset_128_8 /* 8000 */ +}; + +#define bit_set(A, B) ((A) & (1<<(B))) + +/* 4.5.2.3.4 */ +/* + - determine the number of windows in a window_sequence named num_windows + - determine the number of window_groups named num_window_groups + - determine the number of windows in each group named window_group_length[g] + - determine the total number of scalefactor window bands named num_swb for + the actual window type + - determine swb_offset[swb], the offset of the first coefficient in + scalefactor window band named swb of the window actually used + - determine sect_sfb_offset[g][section],the offset of the first coefficient + in section named section. This offset depends on window_sequence and + scale_factor_grouping and is needed to decode the spectral_data(). +*/ +uint8_t window_grouping_info(NeAACDecStruct *hDecoder, ic_stream *ics) +{ + uint8_t i, g; + + uint8_t sf_index = hDecoder->sf_index; + + switch (ics->window_sequence) { + case ONLY_LONG_SEQUENCE: + case LONG_START_SEQUENCE: + case LONG_STOP_SEQUENCE: + ics->num_windows = 1; + ics->num_window_groups = 1; + ics->window_group_length[ics->num_window_groups - 1] = 1; +#ifdef LD_DEC + if (hDecoder->object_type == LD) { + if (hDecoder->frameLength == 512) { + ics->num_swb = num_swb_512_window[sf_index]; + } else { /* if (hDecoder->frameLength == 480) */ + ics->num_swb = num_swb_480_window[sf_index]; + } + } else { +#endif + if (hDecoder->frameLength == 1024) { + ics->num_swb = num_swb_1024_window[sf_index]; + } else { /* if (hDecoder->frameLength == 960) */ + ics->num_swb = num_swb_960_window[sf_index]; + } +#ifdef LD_DEC + } +#endif + + if (ics->max_sfb > ics->num_swb) { + return 32; + } + + /* preparation of sect_sfb_offset for long blocks */ + /* also copy the last value! */ +#ifdef LD_DEC + if (hDecoder->object_type == LD) { + if (hDecoder->frameLength == 512) { + for (i = 0; i < ics->num_swb; i++) { + ics->sect_sfb_offset[0][i] = swb_offset_512_window[sf_index][i]; + ics->swb_offset[i] = swb_offset_512_window[sf_index][i]; + } + } else { /* if (hDecoder->frameLength == 480) */ + for (i = 0; i < ics->num_swb; i++) { + ics->sect_sfb_offset[0][i] = swb_offset_480_window[sf_index][i]; + ics->swb_offset[i] = swb_offset_480_window[sf_index][i]; + } + } + ics->sect_sfb_offset[0][ics->num_swb] = hDecoder->frameLength; + ics->swb_offset[ics->num_swb] = hDecoder->frameLength; + ics->swb_offset_max = hDecoder->frameLength; + } else { +#endif + for (i = 0; i < ics->num_swb; i++) { + ics->sect_sfb_offset[0][i] = swb_offset_1024_window[sf_index][i]; + ics->swb_offset[i] = swb_offset_1024_window[sf_index][i]; + } + ics->sect_sfb_offset[0][ics->num_swb] = hDecoder->frameLength; + ics->swb_offset[ics->num_swb] = hDecoder->frameLength; + ics->swb_offset_max = hDecoder->frameLength; +#ifdef LD_DEC + } +#endif + return 0; + case EIGHT_SHORT_SEQUENCE: + ics->num_windows = 8; + ics->num_window_groups = 1; + ics->window_group_length[ics->num_window_groups - 1] = 1; + ics->num_swb = num_swb_128_window[sf_index]; + + if (ics->max_sfb > ics->num_swb) { + return 32; + } + + for (i = 0; i < ics->num_swb; i++) { + ics->swb_offset[i] = swb_offset_128_window[sf_index][i]; + } + ics->swb_offset[ics->num_swb] = hDecoder->frameLength / 8; + ics->swb_offset_max = hDecoder->frameLength / 8; + + for (i = 0; i < ics->num_windows - 1; i++) { + if (bit_set(ics->scale_factor_grouping, 6 - i) == 0) { + ics->num_window_groups += 1; + ics->window_group_length[ics->num_window_groups - 1] = 1; + } else { + ics->window_group_length[ics->num_window_groups - 1] += 1; + } + } + + /* preparation of sect_sfb_offset for short blocks */ + for (g = 0; g < ics->num_window_groups; g++) { + uint16_t width; + uint8_t sect_sfb = 0; + uint16_t offset = 0; + + for (i = 0; i < ics->num_swb; i++) { + if (i + 1 == ics->num_swb) { + width = (hDecoder->frameLength / 8) - swb_offset_128_window[sf_index][i]; + } else { + width = swb_offset_128_window[sf_index][i + 1] - + swb_offset_128_window[sf_index][i]; + } + width *= ics->window_group_length[g]; + ics->sect_sfb_offset[g][sect_sfb++] = offset; + offset += width; + } + ics->sect_sfb_offset[g][sect_sfb] = offset; + } + return 0; + default: + return 32; + } +} + +/* iquant() * +/* output = sign(input)*abs(input)^(4/3) */ +/**/ +static INLINE real_t iquant(int16_t q, const real_t *tab, uint8_t *error) +{ +#ifdef FIXED_POINT + /* For FIXED_POINT the iq_table is prescaled by 3 bits (iq_table[]/8) */ + /* BIG_IQ_TABLE allows you to use the full 8192 value table, if this is not + * defined a 1026 value table and interpolation will be used + */ +#ifndef BIG_IQ_TABLE + static const real_t errcorr[] = { + REAL_CONST(0), REAL_CONST(1.0 / 8.0), REAL_CONST(2.0 / 8.0), REAL_CONST(3.0 / 8.0), + REAL_CONST(4.0 / 8.0), REAL_CONST(5.0 / 8.0), REAL_CONST(6.0 / 8.0), REAL_CONST(7.0 / 8.0), + REAL_CONST(0) + }; + real_t x1, x2; +#endif + int16_t sgn = 1; + + if (q < 0) { + q = -q; + sgn = -1; + } + + if (q < IQ_TABLE_SIZE) { + //#define IQUANT_PRINT +#ifdef IQUANT_PRINT + //printf("0x%.8X\n", sgn * tab[q]); + printf("%d\n", sgn * tab[q]); +#endif + return sgn * tab[q]; + } + +#ifndef BIG_IQ_TABLE + if (q >= 8192) { + *error = 17; + return 0; + } + + /* linear interpolation */ + x1 = tab[q >> 3]; + x2 = tab[(q >> 3) + 1]; + return sgn * 16 * (MUL_R(errcorr[q & 7], (x2 - x1)) + x1); +#else + *error = 17; + return 0; +#endif + +#else + if (q < 0) { + /* tab contains a value for all possible q [0,8192] */ + if (-q < IQ_TABLE_SIZE) { + return -tab[-q]; + } + + *error = 17; + return 0; + } else { + /* tab contains a value for all possible q [0,8192] */ + if (q < IQ_TABLE_SIZE) { + return tab[q]; + } + + *error = 17; + return 0; + } +#endif +} + +#ifndef FIXED_POINT +ALIGN static const real_t pow2sf_tab[] = { + 2.9802322387695313E-008, 5.9604644775390625E-008, 1.1920928955078125E-007, + 2.384185791015625E-007, 4.76837158203125E-007, 9.5367431640625E-007, + 1.9073486328125E-006, 3.814697265625E-006, 7.62939453125E-006, + 1.52587890625E-005, 3.0517578125E-005, 6.103515625E-005, + 0.0001220703125, 0.000244140625, 0.00048828125, + 0.0009765625, 0.001953125, 0.00390625, + 0.0078125, 0.015625, 0.03125, + 0.0625, 0.125, 0.25, + 0.5, 1.0, 2.0, + 4.0, 8.0, 16.0, 32.0, + 64.0, 128.0, 256.0, + 512.0, 1024.0, 2048.0, + 4096.0, 8192.0, 16384.0, + 32768.0, 65536.0, 131072.0, + 262144.0, 524288.0, 1048576.0, + 2097152.0, 4194304.0, 8388608.0, + 16777216.0, 33554432.0, 67108864.0, + 134217728.0, 268435456.0, 536870912.0, + 1073741824.0, 2147483648.0, 4294967296.0, + 8589934592.0, 17179869184.0, 34359738368.0, + 68719476736.0, 137438953472.0, 274877906944.0 +}; +#endif + +/* quant_to_spec: perform dequantisation and scaling + * and in case of short block it also does the deinterleaving + */ +/* + For ONLY_LONG_SEQUENCE windows (num_window_groups = 1, + window_group_length[0] = 1) the spectral data is in ascending spectral + order. + For the EIGHT_SHORT_SEQUENCE window, the spectral order depends on the + grouping in the following manner: + - Groups are ordered sequentially + - Within a group, a scalefactor band consists of the spectral data of all + grouped SHORT_WINDOWs for the associated scalefactor window band. To + clarify via example, the length of a group is in the range of one to eight + SHORT_WINDOWs. + - If there are eight groups each with length one (num_window_groups = 8, + window_group_length[0..7] = 1), the result is a sequence of eight spectra, + each in ascending spectral order. + - If there is only one group with length eight (num_window_groups = 1, + window_group_length[0] = 8), the result is that spectral data of all eight + SHORT_WINDOWs is interleaved by scalefactor window bands. + - Within a scalefactor window band, the coefficients are in ascending + spectral order. +*/ +static uint8_t quant_to_spec(NeAACDecStruct *hDecoder, + ic_stream *ics, int16_t *quant_data, + real_t *spec_data, uint16_t frame_len) +{ + ALIGN static const real_t pow2_table[] = { + COEF_CONST(1.0), + COEF_CONST(1.1892071150027210667174999705605), /* 2^0.25 */ + COEF_CONST(1.4142135623730950488016887242097), /* 2^0.5 */ + COEF_CONST(1.6817928305074290860622509524664) /* 2^0.75 */ + }; + const real_t *tab = iq_table; + + uint8_t g, sfb, win; + uint16_t width, bin, k, gindex, wa, wb; + uint8_t error = 0; /* Init error flag */ +#ifndef FIXED_POINT + real_t scf; +#endif + + k = 0; + gindex = 0; + + for (g = 0; g < ics->num_window_groups; g++) { + uint16_t j = 0; + uint16_t gincrease = 0; + uint16_t win_inc = ics->swb_offset[ics->num_swb]; + + for (sfb = 0; sfb < ics->num_swb; sfb++) { + int32_t exp, frac; + + width = ics->swb_offset[sfb + 1] - ics->swb_offset[sfb]; + + /* this could be scalefactor for IS or PNS, those can be negative or bigger then 255 */ + /* just ignore them */ + if (ics->scale_factors[g][sfb] < 0 || ics->scale_factors[g][sfb] > 255) { + exp = 0; + frac = 0; + } else { + /* ics->scale_factors[g][sfb] must be between 0 and 255 */ + exp = (ics->scale_factors[g][sfb] /* - 100 */) >> 2; + /* frac must always be > 0 */ + frac = (ics->scale_factors[g][sfb] /* - 100 */) & 3; + } + +#ifdef FIXED_POINT + exp -= 25; + /* IMDCT pre-scaling */ + if (hDecoder->object_type == LD) { + exp -= 6 /*9*/; + } else { + if (ics->window_sequence == EIGHT_SHORT_SEQUENCE) { + exp -= 4 /*7*/; + } else { + exp -= 7 /*10*/; + } + } +#endif + + wa = gindex + j; + +#ifndef FIXED_POINT + scf = pow2sf_tab[exp/*+25*/] * pow2_table[frac]; +#endif + + for (win = 0; win < ics->window_group_length[g]; win++) { + for (bin = 0; bin < width; bin += 4) { +#ifndef FIXED_POINT + wb = wa + bin; + + spec_data[wb + 0] = iquant(quant_data[k + 0], tab, &error) * scf; + spec_data[wb + 1] = iquant(quant_data[k + 1], tab, &error) * scf; + spec_data[wb + 2] = iquant(quant_data[k + 2], tab, &error) * scf; + spec_data[wb + 3] = iquant(quant_data[k + 3], tab, &error) * scf; + +#else + real_t iq0 = iquant(quant_data[k + 0], tab, &error); + real_t iq1 = iquant(quant_data[k + 1], tab, &error); + real_t iq2 = iquant(quant_data[k + 2], tab, &error); + real_t iq3 = iquant(quant_data[k + 3], tab, &error); + + wb = wa + bin; + + if (exp < 0) { + spec_data[wb + 0] = iq0 >>= -exp; + spec_data[wb + 1] = iq1 >>= -exp; + spec_data[wb + 2] = iq2 >>= -exp; + spec_data[wb + 3] = iq3 >>= -exp; + } else { + spec_data[wb + 0] = iq0 <<= exp; + spec_data[wb + 1] = iq1 <<= exp; + spec_data[wb + 2] = iq2 <<= exp; + spec_data[wb + 3] = iq3 <<= exp; + } + if (frac != 0) { + spec_data[wb + 0] = MUL_C(spec_data[wb + 0], pow2_table[frac]); + spec_data[wb + 1] = MUL_C(spec_data[wb + 1], pow2_table[frac]); + spec_data[wb + 2] = MUL_C(spec_data[wb + 2], pow2_table[frac]); + spec_data[wb + 3] = MUL_C(spec_data[wb + 3], pow2_table[frac]); + } + + //#define SCFS_PRINT +#ifdef SCFS_PRINT + printf("%d\n", spec_data[gindex + (win * win_inc) + j + bin + 0]); + printf("%d\n", spec_data[gindex + (win * win_inc) + j + bin + 1]); + printf("%d\n", spec_data[gindex + (win * win_inc) + j + bin + 2]); + printf("%d\n", spec_data[gindex + (win * win_inc) + j + bin + 3]); + //printf("0x%.8X\n", spec_data[gindex+(win*win_inc)+j+bin+0]); + //printf("0x%.8X\n", spec_data[gindex+(win*win_inc)+j+bin+1]); + //printf("0x%.8X\n", spec_data[gindex+(win*win_inc)+j+bin+2]); + //printf("0x%.8X\n", spec_data[gindex+(win*win_inc)+j+bin+3]); +#endif +#endif + + gincrease += 4; + k += 4; + } + wa += win_inc; + } + j += width; + } + gindex += gincrease; + } + + return error; +} + +static uint8_t allocate_single_channel(NeAACDecStruct *hDecoder, uint8_t channel, + uint8_t output_channels) +{ + int mul = 1; + +#ifdef MAIN_DEC + /* MAIN object type prediction */ + if (hDecoder->object_type == MAIN) { + /* allocate the state only when needed */ + if (hDecoder->pred_stat[channel] != NULL) { + faad_free(hDecoder->pred_stat[channel]); + hDecoder->pred_stat[channel] = NULL; + } + + hDecoder->pred_stat[channel] = (pred_state*)faad_malloc(hDecoder->frameLength * sizeof(pred_state)); + reset_all_predictors(hDecoder->pred_stat[channel], hDecoder->frameLength); + } +#endif + +#ifdef LTP_DEC + if (is_ltp_ot(hDecoder->object_type)) { + /* allocate the state only when needed */ + if (hDecoder->lt_pred_stat[channel] != NULL) { + faad_free(hDecoder->lt_pred_stat[channel]); + hDecoder->lt_pred_stat[channel] = NULL; + } + + hDecoder->lt_pred_stat[channel] = (int16_t*)faad_malloc(hDecoder->frameLength * 4 * sizeof(int16_t)); + memset(hDecoder->lt_pred_stat[channel], 0, hDecoder->frameLength * 4 * sizeof(int16_t)); + } +#endif + + if (hDecoder->time_out[channel] != NULL) { + faad_free(hDecoder->time_out[channel]); + hDecoder->time_out[channel] = NULL; + } + + { + mul = 1; +#ifdef SBR_DEC + hDecoder->sbr_alloced[hDecoder->fr_ch_ele] = 0; + if ((hDecoder->sbr_present_flag == 1) || (hDecoder->forceUpSampling == 1)) { + /* SBR requires 2 times as much output data */ + mul = 2; + hDecoder->sbr_alloced[hDecoder->fr_ch_ele] = 1; + } +#endif + hDecoder->time_out[channel] = (real_t*)faad_malloc(mul * hDecoder->frameLength * sizeof(real_t)); + memset(hDecoder->time_out[channel], 0, mul * hDecoder->frameLength * sizeof(real_t)); + } + +#if (defined(PS_DEC) || defined(DRM_PS)) + if (output_channels == 2) { + if (hDecoder->time_out[channel + 1] != NULL) { + faad_free(hDecoder->time_out[channel + 1]); + hDecoder->time_out[channel + 1] = NULL; + } + + hDecoder->time_out[channel + 1] = (real_t*)faad_malloc(mul * hDecoder->frameLength * sizeof(real_t)); + memset(hDecoder->time_out[channel + 1], 0, mul * hDecoder->frameLength * sizeof(real_t)); + } +#endif + + if (hDecoder->fb_intermed[channel] != NULL) { + faad_free(hDecoder->fb_intermed[channel]); + hDecoder->fb_intermed[channel] = NULL; + } + + hDecoder->fb_intermed[channel] = (real_t*)faad_malloc(hDecoder->frameLength * sizeof(real_t)); + memset(hDecoder->fb_intermed[channel], 0, hDecoder->frameLength * sizeof(real_t)); + +#ifdef SSR_DEC + if (hDecoder->object_type == SSR) { + if (hDecoder->ssr_overlap[channel] == NULL) { + hDecoder->ssr_overlap[channel] = (real_t*)faad_malloc(2 * hDecoder->frameLength * sizeof(real_t)); + memset(hDecoder->ssr_overlap[channel], 0, 2 * hDecoder->frameLength * sizeof(real_t)); + } + if (hDecoder->prev_fmd[channel] == NULL) { + uint16_t k; + hDecoder->prev_fmd[channel] = (real_t*)faad_malloc(2 * hDecoder->frameLength * sizeof(real_t)); + for (k = 0; k < 2 * hDecoder->frameLength; k++) { + hDecoder->prev_fmd[channel][k] = REAL_CONST(-1); + } + } + } +#endif + + return 0; +} + +static uint8_t allocate_channel_pair(NeAACDecStruct *hDecoder, + uint8_t channel, uint8_t paired_channel) +{ + int mul = 1; + +#ifdef MAIN_DEC + /* MAIN object type prediction */ + if (hDecoder->object_type == MAIN) { + /* allocate the state only when needed */ + if (hDecoder->pred_stat[channel] == NULL) { + hDecoder->pred_stat[channel] = (pred_state*)faad_malloc(hDecoder->frameLength * sizeof(pred_state)); + reset_all_predictors(hDecoder->pred_stat[channel], hDecoder->frameLength); + } + if (hDecoder->pred_stat[paired_channel] == NULL) { + hDecoder->pred_stat[paired_channel] = (pred_state*)faad_malloc(hDecoder->frameLength * sizeof(pred_state)); + reset_all_predictors(hDecoder->pred_stat[paired_channel], hDecoder->frameLength); + } + } +#endif + +#ifdef LTP_DEC + if (is_ltp_ot(hDecoder->object_type)) { + /* allocate the state only when needed */ + if (hDecoder->lt_pred_stat[channel] == NULL) { + hDecoder->lt_pred_stat[channel] = (int16_t*)faad_malloc(hDecoder->frameLength * 4 * sizeof(int16_t)); + memset(hDecoder->lt_pred_stat[channel], 0, hDecoder->frameLength * 4 * sizeof(int16_t)); + } + if (hDecoder->lt_pred_stat[paired_channel] == NULL) { + hDecoder->lt_pred_stat[paired_channel] = (int16_t*)faad_malloc(hDecoder->frameLength * 4 * sizeof(int16_t)); + memset(hDecoder->lt_pred_stat[paired_channel], 0, hDecoder->frameLength * 4 * sizeof(int16_t)); + } + } +#endif + + if (hDecoder->time_out[channel] == NULL) { + mul = 1; +#ifdef SBR_DEC + hDecoder->sbr_alloced[hDecoder->fr_ch_ele] = 0; + if ((hDecoder->sbr_present_flag == 1) || (hDecoder->forceUpSampling == 1)) { + /* SBR requires 2 times as much output data */ + mul = 2; + hDecoder->sbr_alloced[hDecoder->fr_ch_ele] = 1; + } +#endif + hDecoder->time_out[channel] = (real_t*)faad_malloc(mul * hDecoder->frameLength * sizeof(real_t)); + memset(hDecoder->time_out[channel], 0, mul * hDecoder->frameLength * sizeof(real_t)); + } + if (hDecoder->time_out[paired_channel] == NULL) { + hDecoder->time_out[paired_channel] = (real_t*)faad_malloc(mul * hDecoder->frameLength * sizeof(real_t)); + memset(hDecoder->time_out[paired_channel], 0, mul * hDecoder->frameLength * sizeof(real_t)); + } + + if (hDecoder->fb_intermed[channel] == NULL) { + hDecoder->fb_intermed[channel] = (real_t*)faad_malloc(hDecoder->frameLength * sizeof(real_t)); + memset(hDecoder->fb_intermed[channel], 0, hDecoder->frameLength * sizeof(real_t)); + } + if (hDecoder->fb_intermed[paired_channel] == NULL) { + hDecoder->fb_intermed[paired_channel] = (real_t*)faad_malloc(hDecoder->frameLength * sizeof(real_t)); + memset(hDecoder->fb_intermed[paired_channel], 0, hDecoder->frameLength * sizeof(real_t)); + } + +#ifdef SSR_DEC + if (hDecoder->object_type == SSR) { + if (hDecoder->ssr_overlap[cpe->channel] == NULL) { + hDecoder->ssr_overlap[cpe->channel] = (real_t*)faad_malloc(2 * hDecoder->frameLength * sizeof(real_t)); + memset(hDecoder->ssr_overlap[cpe->channel], 0, 2 * hDecoder->frameLength * sizeof(real_t)); + } + if (hDecoder->ssr_overlap[cpe->paired_channel] == NULL) { + hDecoder->ssr_overlap[cpe->paired_channel] = (real_t*)faad_malloc(2 * hDecoder->frameLength * sizeof(real_t)); + memset(hDecoder->ssr_overlap[cpe->paired_channel], 0, 2 * hDecoder->frameLength * sizeof(real_t)); + } + if (hDecoder->prev_fmd[cpe->channel] == NULL) { + uint16_t k; + hDecoder->prev_fmd[cpe->channel] = (real_t*)faad_malloc(2 * hDecoder->frameLength * sizeof(real_t)); + for (k = 0; k < 2 * hDecoder->frameLength; k++) { + hDecoder->prev_fmd[cpe->channel][k] = REAL_CONST(-1); + } + } + if (hDecoder->prev_fmd[cpe->paired_channel] == NULL) { + uint16_t k; + hDecoder->prev_fmd[cpe->paired_channel] = (real_t*)faad_malloc(2 * hDecoder->frameLength * sizeof(real_t)); + for (k = 0; k < 2 * hDecoder->frameLength; k++) { + hDecoder->prev_fmd[cpe->paired_channel][k] = REAL_CONST(-1); + } + } + } +#endif + + return 0; +} + +uint8_t reconstruct_single_channel(NeAACDecStruct *hDecoder, ic_stream *ics, + element *sce, int16_t *spec_data) +{ + uint8_t retval; + int output_channels; + ALIGN real_t spec_coef[1024]; + +#ifdef PROFILE + int64_t count = faad_get_ts(); +#endif + + + /* always allocate 2 channels, PS can always "suddenly" turn up */ +#if ( (defined(DRM) && defined(DRM_PS)) ) + output_channels = 2; +#elif defined(PS_DEC) + if (hDecoder->ps_used[hDecoder->fr_ch_ele]) { + output_channels = 2; + } else { + output_channels = 1; + } +#else + output_channels = 1; +#endif + + if (hDecoder->element_output_channels[hDecoder->fr_ch_ele] == 0) { + /* element_output_channels not set yet */ + hDecoder->element_output_channels[hDecoder->fr_ch_ele] = output_channels; + } else if (hDecoder->element_output_channels[hDecoder->fr_ch_ele] != output_channels) { + /* element inconsistency */ + + /* this only happens if PS is actually found but not in the first frame + * this means that there is only 1 bitstream element! + */ + + /* reset the allocation */ + hDecoder->element_alloced[hDecoder->fr_ch_ele] = 0; + + hDecoder->element_output_channels[hDecoder->fr_ch_ele] = output_channels; + + //return 21; + } + + if (hDecoder->element_alloced[hDecoder->fr_ch_ele] == 0) { + retval = allocate_single_channel(hDecoder, sce->channel, output_channels); + if (retval > 0) { + return retval; + } + + hDecoder->element_alloced[hDecoder->fr_ch_ele] = 1; + } + + + /* dequantisation and scaling */ + retval = quant_to_spec(hDecoder, ics, spec_data, spec_coef, hDecoder->frameLength); + if (retval > 0) { + return retval; + } + +#ifdef PROFILE + count = faad_get_ts() - count; + hDecoder->requant_cycles += count; +#endif + + + /* pns decoding */ + pns_decode(ics, NULL, spec_coef, NULL, hDecoder->frameLength, 0, hDecoder->object_type, + &(hDecoder->__r1), &(hDecoder->__r2)); + +#ifdef MAIN_DEC + /* MAIN object type prediction */ + if (hDecoder->object_type == MAIN) { + if (!hDecoder->pred_stat[sce->channel]) { + return 33; + } + + /* intra channel prediction */ + ic_prediction(ics, spec_coef, hDecoder->pred_stat[sce->channel], hDecoder->frameLength, + hDecoder->sf_index); + + /* In addition, for scalefactor bands coded by perceptual + noise substitution the predictors belonging to the + corresponding spectral coefficients are reset. + */ + pns_reset_pred_state(ics, hDecoder->pred_stat[sce->channel]); + } +#endif + +#ifdef LTP_DEC + if (is_ltp_ot(hDecoder->object_type)) { +#ifdef LD_DEC + if (hDecoder->object_type == LD) { + if (ics->ltp.data_present) { + if (ics->ltp.lag_update) { + hDecoder->ltp_lag[sce->channel] = ics->ltp.lag; + } + } + ics->ltp.lag = hDecoder->ltp_lag[sce->channel]; + } +#endif + + /* long term prediction */ + lt_prediction(ics, &(ics->ltp), spec_coef, hDecoder->lt_pred_stat[sce->channel], hDecoder->fb, + ics->window_shape, hDecoder->window_shape_prev[sce->channel], + hDecoder->sf_index, hDecoder->object_type, hDecoder->frameLength); + } +#endif + + /* tns decoding */ + tns_decode_frame(ics, &(ics->tns), hDecoder->sf_index, hDecoder->object_type, + spec_coef, hDecoder->frameLength); + + /* drc decoding */ + if (hDecoder->drc->present) { + if (!hDecoder->drc->exclude_mask[sce->channel] || !hDecoder->drc->excluded_chns_present) { + drc_decode(hDecoder->drc, spec_coef); + } + } + + /* filter bank */ +#ifdef SSR_DEC + if (hDecoder->object_type != SSR) { +#endif + ifilter_bank(hDecoder->fb, ics->window_sequence, ics->window_shape, + hDecoder->window_shape_prev[sce->channel], spec_coef, + hDecoder->time_out[sce->channel], hDecoder->fb_intermed[sce->channel], + hDecoder->object_type, hDecoder->frameLength); +#ifdef SSR_DEC + } else { + ssr_decode(&(ics->ssr), hDecoder->fb, ics->window_sequence, ics->window_shape, + hDecoder->window_shape_prev[sce->channel], spec_coef, hDecoder->time_out[sce->channel], + hDecoder->ssr_overlap[sce->channel], hDecoder->ipqf_buffer[sce->channel], hDecoder->prev_fmd[sce->channel], + hDecoder->frameLength); + } +#endif + + /* save window shape for next frame */ + hDecoder->window_shape_prev[sce->channel] = ics->window_shape; + +#ifdef LTP_DEC + if (is_ltp_ot(hDecoder->object_type)) { + lt_update_state(hDecoder->lt_pred_stat[sce->channel], hDecoder->time_out[sce->channel], + hDecoder->fb_intermed[sce->channel], hDecoder->frameLength, hDecoder->object_type); + } +#endif + +#ifdef SBR_DEC + if (((hDecoder->sbr_present_flag == 1) || (hDecoder->forceUpSampling == 1)) + && hDecoder->sbr_alloced[hDecoder->fr_ch_ele]) { + int ele = hDecoder->fr_ch_ele; + int ch = sce->channel; + + /* following case can happen when forceUpSampling == 1 */ + if (hDecoder->sbr[ele] == NULL) { + hDecoder->sbr[ele] = sbrDecodeInit(hDecoder->frameLength, + hDecoder->element_id[ele], 2 * get_sample_rate(hDecoder->sf_index), + hDecoder->downSampledSBR +#ifdef DRM + , 0 +#endif + ); + } + + if (sce->ics1.window_sequence == EIGHT_SHORT_SEQUENCE) { + hDecoder->sbr[ele]->maxAACLine = 8 * min(sce->ics1.swb_offset[max(sce->ics1.max_sfb - 1, 0)], sce->ics1.swb_offset_max); + } else { + hDecoder->sbr[ele]->maxAACLine = min(sce->ics1.swb_offset[max(sce->ics1.max_sfb - 1, 0)], sce->ics1.swb_offset_max); + } + + /* check if any of the PS tools is used */ +#if (defined(PS_DEC) || defined(DRM_PS)) + if (hDecoder->ps_used[ele] == 0) { +#endif + retval = sbrDecodeSingleFrame(hDecoder->sbr[ele], hDecoder->time_out[ch], + hDecoder->postSeekResetFlag, hDecoder->downSampledSBR); +#if (defined(PS_DEC) || defined(DRM_PS)) + } else { + retval = sbrDecodeSingleFramePS(hDecoder->sbr[ele], hDecoder->time_out[ch], + hDecoder->time_out[ch + 1], hDecoder->postSeekResetFlag, + hDecoder->downSampledSBR); + } +#endif + if (retval > 0) { + return retval; + } + } else if (((hDecoder->sbr_present_flag == 1) || (hDecoder->forceUpSampling == 1)) + && !hDecoder->sbr_alloced[hDecoder->fr_ch_ele]) { + return 23; + } +#endif + + /* copy L to R when no PS is used */ +#if (defined(PS_DEC) || defined(DRM_PS)) + if ((hDecoder->ps_used[hDecoder->fr_ch_ele] == 0) && + (hDecoder->element_output_channels[hDecoder->fr_ch_ele] == 2)) { + int ele = hDecoder->fr_ch_ele; + int ch = sce->channel; + int frame_size = (hDecoder->sbr_alloced[ele]) ? 2 : 1; + frame_size *= hDecoder->frameLength * sizeof(real_t); + + memcpy(hDecoder->time_out[ch + 1], hDecoder->time_out[ch], frame_size); + } +#endif + + return 0; +} + +uint8_t reconstruct_channel_pair(NeAACDecStruct *hDecoder, ic_stream *ics1, ic_stream *ics2, + element *cpe, int16_t *spec_data1, int16_t *spec_data2) +{ + uint8_t retval; + ALIGN real_t spec_coef1[1024]; + ALIGN real_t spec_coef2[1024]; + +#ifdef PROFILE + int64_t count = faad_get_ts(); +#endif + if (hDecoder->element_alloced[hDecoder->fr_ch_ele] == 0) { + retval = allocate_channel_pair(hDecoder, cpe->channel, (uint8_t)cpe->paired_channel); + if (retval > 0) { + return retval; + } + + hDecoder->element_alloced[hDecoder->fr_ch_ele] = 1; + } else { + // 1ch --> 2ch aac stream, channel configuration mapping changed ,need reset decoder .mostly happened when channel num changed + if (hDecoder->fb_intermed[(uint8_t)cpe->paired_channel] == NULL) { + audio_codec_print("channel configure changed,need re-alloc the buffer\n"); + return 34; + } + } + + /* dequantisation and scaling */ + retval = quant_to_spec(hDecoder, ics1, spec_data1, spec_coef1, hDecoder->frameLength); + if (retval > 0) { + return retval; + } + retval = quant_to_spec(hDecoder, ics2, spec_data2, spec_coef2, hDecoder->frameLength); + if (retval > 0) { + return retval; + } + +#ifdef PROFILE + count = faad_get_ts() - count; + hDecoder->requant_cycles += count; +#endif + + + /* pns decoding */ + if (ics1->ms_mask_present) { + pns_decode(ics1, ics2, spec_coef1, spec_coef2, hDecoder->frameLength, 1, hDecoder->object_type, + &(hDecoder->__r1), &(hDecoder->__r2)); + } else { + pns_decode(ics1, NULL, spec_coef1, NULL, hDecoder->frameLength, 0, hDecoder->object_type, + &(hDecoder->__r1), &(hDecoder->__r2)); + pns_decode(ics2, NULL, spec_coef2, NULL, hDecoder->frameLength, 0, hDecoder->object_type, + &(hDecoder->__r1), &(hDecoder->__r2)); + } + + /* mid/side decoding */ + ms_decode(ics1, ics2, spec_coef1, spec_coef2, hDecoder->frameLength); + +#if 0 + { + int i; + for (i = 0; i < 1024; i++) { + //printf("%d\n", spec_coef1[i]); + printf("0x%.8X\n", spec_coef1[i]); + } + for (i = 0; i < 1024; i++) { + //printf("%d\n", spec_coef2[i]); + printf("0x%.8X\n", spec_coef2[i]); + } + } +#endif + + /* intensity stereo decoding */ + is_decode(ics1, ics2, spec_coef1, spec_coef2, hDecoder->frameLength); + +#if 0 + { + int i; + for (i = 0; i < 1024; i++) { + printf("%d\n", spec_coef1[i]); + //printf("0x%.8X\n", spec_coef1[i]); + } + for (i = 0; i < 1024; i++) { + printf("%d\n", spec_coef2[i]); + //printf("0x%.8X\n", spec_coef2[i]); + } + } +#endif + +#ifdef MAIN_DEC + /* MAIN object type prediction */ + if (hDecoder->object_type == MAIN) { + /* intra channel prediction */ + ic_prediction(ics1, spec_coef1, hDecoder->pred_stat[cpe->channel], hDecoder->frameLength, + hDecoder->sf_index); + ic_prediction(ics2, spec_coef2, hDecoder->pred_stat[cpe->paired_channel], hDecoder->frameLength, + hDecoder->sf_index); + + /* In addition, for scalefactor bands coded by perceptual + noise substitution the predictors belonging to the + corresponding spectral coefficients are reset. + */ + pns_reset_pred_state(ics1, hDecoder->pred_stat[cpe->channel]); + pns_reset_pred_state(ics2, hDecoder->pred_stat[cpe->paired_channel]); + } +#endif + +#ifdef LTP_DEC + if (is_ltp_ot(hDecoder->object_type)) { + ltp_info *ltp1 = &(ics1->ltp); + ltp_info *ltp2 = (cpe->common_window) ? &(ics2->ltp2) : &(ics2->ltp); +#ifdef LD_DEC + if (hDecoder->object_type == LD) { + if (ltp1->data_present) { + if (ltp1->lag_update) { + hDecoder->ltp_lag[cpe->channel] = ltp1->lag; + } + } + ltp1->lag = hDecoder->ltp_lag[cpe->channel]; + if (ltp2->data_present) { + if (ltp2->lag_update) { + hDecoder->ltp_lag[cpe->paired_channel] = ltp2->lag; + } + } + ltp2->lag = hDecoder->ltp_lag[cpe->paired_channel]; + } +#endif + + /* long term prediction */ + lt_prediction(ics1, ltp1, spec_coef1, hDecoder->lt_pred_stat[cpe->channel], hDecoder->fb, + ics1->window_shape, hDecoder->window_shape_prev[cpe->channel], + hDecoder->sf_index, hDecoder->object_type, hDecoder->frameLength); + lt_prediction(ics2, ltp2, spec_coef2, hDecoder->lt_pred_stat[cpe->paired_channel], hDecoder->fb, + ics2->window_shape, hDecoder->window_shape_prev[cpe->paired_channel], + hDecoder->sf_index, hDecoder->object_type, hDecoder->frameLength); + } +#endif + + /* tns decoding */ + tns_decode_frame(ics1, &(ics1->tns), hDecoder->sf_index, hDecoder->object_type, + spec_coef1, hDecoder->frameLength); + tns_decode_frame(ics2, &(ics2->tns), hDecoder->sf_index, hDecoder->object_type, + spec_coef2, hDecoder->frameLength); + + /* drc decoding */ + if (hDecoder->drc->present) { + if (!hDecoder->drc->exclude_mask[cpe->channel] || !hDecoder->drc->excluded_chns_present) { + drc_decode(hDecoder->drc, spec_coef1); + } + if (!hDecoder->drc->exclude_mask[cpe->paired_channel] || !hDecoder->drc->excluded_chns_present) { + drc_decode(hDecoder->drc, spec_coef2); + } + } + + /* filter bank */ +#ifdef SSR_DEC + if (hDecoder->object_type != SSR) { +#endif + ifilter_bank(hDecoder->fb, ics1->window_sequence, ics1->window_shape, + hDecoder->window_shape_prev[cpe->channel], spec_coef1, + hDecoder->time_out[cpe->channel], hDecoder->fb_intermed[cpe->channel], + hDecoder->object_type, hDecoder->frameLength); + ifilter_bank(hDecoder->fb, ics2->window_sequence, ics2->window_shape, + hDecoder->window_shape_prev[cpe->paired_channel], spec_coef2, + hDecoder->time_out[cpe->paired_channel], hDecoder->fb_intermed[cpe->paired_channel], + hDecoder->object_type, hDecoder->frameLength); +#ifdef SSR_DEC + } else { + ssr_decode(&(ics1->ssr), hDecoder->fb, ics1->window_sequence, ics1->window_shape, + hDecoder->window_shape_prev[cpe->channel], spec_coef1, hDecoder->time_out[cpe->channel], + hDecoder->ssr_overlap[cpe->channel], hDecoder->ipqf_buffer[cpe->channel], + hDecoder->prev_fmd[cpe->channel], hDecoder->frameLength); + ssr_decode(&(ics2->ssr), hDecoder->fb, ics2->window_sequence, ics2->window_shape, + hDecoder->window_shape_prev[cpe->paired_channel], spec_coef2, hDecoder->time_out[cpe->paired_channel], + hDecoder->ssr_overlap[cpe->paired_channel], hDecoder->ipqf_buffer[cpe->paired_channel], + hDecoder->prev_fmd[cpe->paired_channel], hDecoder->frameLength); + } +#endif + + /* save window shape for next frame */ + hDecoder->window_shape_prev[cpe->channel] = ics1->window_shape; + hDecoder->window_shape_prev[cpe->paired_channel] = ics2->window_shape; + +#ifdef LTP_DEC + if (is_ltp_ot(hDecoder->object_type)) { + lt_update_state(hDecoder->lt_pred_stat[cpe->channel], hDecoder->time_out[cpe->channel], + hDecoder->fb_intermed[cpe->channel], hDecoder->frameLength, hDecoder->object_type); + lt_update_state(hDecoder->lt_pred_stat[cpe->paired_channel], hDecoder->time_out[cpe->paired_channel], + hDecoder->fb_intermed[cpe->paired_channel], hDecoder->frameLength, hDecoder->object_type); + } +#endif + +#ifdef SBR_DEC + if (((hDecoder->sbr_present_flag == 1) || (hDecoder->forceUpSampling == 1)) + && hDecoder->sbr_alloced[hDecoder->fr_ch_ele]) { + int ele = hDecoder->fr_ch_ele; + int ch0 = cpe->channel; + int ch1 = cpe->paired_channel; + + /* following case can happen when forceUpSampling == 1 */ + if (hDecoder->sbr[ele] == NULL) { + hDecoder->sbr[ele] = sbrDecodeInit(hDecoder->frameLength, + hDecoder->element_id[ele], 2 * get_sample_rate(hDecoder->sf_index), + hDecoder->downSampledSBR +#ifdef DRM + , 0 +#endif + ); + } + + if (cpe->ics1.window_sequence == EIGHT_SHORT_SEQUENCE) { + hDecoder->sbr[ele]->maxAACLine = 8 * min(cpe->ics1.swb_offset[max(cpe->ics1.max_sfb - 1, 0)], cpe->ics1.swb_offset_max); + } else { + hDecoder->sbr[ele]->maxAACLine = min(cpe->ics1.swb_offset[max(cpe->ics1.max_sfb - 1, 0)], cpe->ics1.swb_offset_max); + } + + retval = sbrDecodeCoupleFrame(hDecoder->sbr[ele], + hDecoder->time_out[ch0], hDecoder->time_out[ch1], + hDecoder->postSeekResetFlag, hDecoder->downSampledSBR); + if (retval > 0) { + return retval; + } + } else if (((hDecoder->sbr_present_flag == 1) || (hDecoder->forceUpSampling == 1)) + && !hDecoder->sbr_alloced[hDecoder->fr_ch_ele]) { + return 23; + } +#endif + + return 0; +} diff --git a/audio_codec/libfaad/specrec.h b/audio_codec/libfaad/specrec.h new file mode 100644 index 0000000..e81537e --- a/dev/null +++ b/audio_codec/libfaad/specrec.h @@ -0,0 +1,49 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: specrec.h,v 1.33 2009/01/26 23:51:15 menno Exp $ +**/ + +#ifndef __SPECREC_H__ +#define __SPECREC_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "syntax.h" + + uint8_t window_grouping_info(NeAACDecStruct *hDecoder, ic_stream *ics); + uint8_t reconstruct_channel_pair(NeAACDecStruct *hDecoder, ic_stream *ics1, ic_stream *ics2, + element *cpe, int16_t *spec_data1, int16_t *spec_data2); + uint8_t reconstruct_single_channel(NeAACDecStruct *hDecoder, ic_stream *ics, element *sce, + int16_t *spec_data); + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/ssr.c b/audio_codec/libfaad/ssr.c new file mode 100644 index 0000000..d8bc2ed --- a/dev/null +++ b/audio_codec/libfaad/ssr.c @@ -0,0 +1,170 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: ssr.c,v 1.19 2007/11/01 12:33:36 menno Exp $ +**/ + +#include "common.h" +#include "structs.h" + +#ifdef SSR_DEC + +#include "syntax.h" +#include "filtbank.h" +#include "ssr.h" +#include "ssr_fb.h" + +void ssr_decode(ssr_info *ssr, fb_info *fb, uint8_t window_sequence, + uint8_t window_shape, uint8_t window_shape_prev, + real_t *freq_in, real_t *time_out, real_t *overlap, + real_t ipqf_buffer[SSR_BANDS][96 / 4], + real_t *prev_fmd, uint16_t frame_len) +{ + uint8_t band; + uint16_t ssr_frame_len = frame_len / SSR_BANDS; + real_t time_tmp[2048] = {0}; + real_t output[1024] = {0}; + + for (band = 0; band < SSR_BANDS; band++) { + int16_t j; + + /* uneven bands have inverted frequency scale */ + if (band == 1 || band == 3) { + for (j = 0; j < ssr_frame_len / 2; j++) { + real_t tmp; + tmp = freq_in[j + ssr_frame_len * band]; + freq_in[j + ssr_frame_len * band] = + freq_in[ssr_frame_len - j - 1 + ssr_frame_len * band]; + freq_in[ssr_frame_len - j - 1 + ssr_frame_len * band] = tmp; + } + } + + /* non-overlapping inverse filterbank for SSR */ + ssr_ifilter_bank(fb, window_sequence, window_shape, window_shape_prev, + freq_in + band * ssr_frame_len, time_tmp + band * ssr_frame_len, + ssr_frame_len); + + /* gain control */ + ssr_gain_control(ssr, time_tmp, output, overlap, prev_fmd, + band, window_sequence, ssr_frame_len); + } + + /* inverse pqf to bring subbands together again */ + ssr_ipqf(ssr, output, time_out, ipqf_buffer, frame_len, SSR_BANDS); +} + +static void ssr_gain_control(ssr_info *ssr, real_t *data, real_t *output, + real_t *overlap, real_t *prev_fmd, uint8_t band, + uint8_t window_sequence, uint16_t frame_len) +{ + uint16_t i; + real_t gc_function[2 * 1024 / SSR_BANDS]; + + if (window_sequence != EIGHT_SHORT_SEQUENCE) { + ssr_gc_function(ssr, &prev_fmd[band * frame_len * 2], + gc_function, window_sequence, band, frame_len); + + for (i = 0; i < frame_len * 2; i++) { + data[band * frame_len * 2 + i] *= gc_function[i]; + } + for (i = 0; i < frame_len; i++) { + output[band * frame_len + i] = overlap[band * frame_len + i] + + data[band * frame_len * 2 + i]; + } + for (i = 0; i < frame_len; i++) { + overlap[band * frame_len + i] = + data[band * frame_len * 2 + frame_len + i]; + } + } else { + uint8_t w; + for (w = 0; w < 8; w++) { + uint16_t frame_len8 = frame_len / 8; + uint16_t frame_len16 = frame_len / 16; + + ssr_gc_function(ssr, &prev_fmd[band * frame_len * 2 + w * frame_len * 2 / 8], + gc_function, window_sequence, frame_len); + + for (i = 0; i < frame_len8 * 2; i++) { + data[band * frame_len * 2 + w * frame_len8 * 2 + i] *= gc_function[i]; + } + for (i = 0; i < frame_len8; i++) { + overlap[band * frame_len + i + 7 * frame_len16 + w * frame_len8] += + data[band * frame_len * 2 + 2 * w * frame_len8 + i]; + } + for (i = 0; i < frame_len8; i++) { + overlap[band * frame_len + i + 7 * frame_len16 + (w + 1)*frame_len8] = + data[band * frame_len * 2 + 2 * w * frame_len8 + frame_len8 + i]; + } + } + for (i = 0; i < frame_len; i++) { + output[band * frame_len + i] = overlap[band * frame_len + i]; + } + for (i = 0; i < frame_len; i++) { + overlap[band * frame_len + i] = overlap[band * frame_len + i + frame_len]; + } + } +} + +static void ssr_gc_function(ssr_info *ssr, real_t *prev_fmd, + real_t *gc_function, uint8_t window_sequence, + uint8_t band, uint16_t frame_len) +{ + uint16_t i; + uint16_t len_area1, len_area2; + int32_t aloc[10]; + real_t alev[10]; + + switch (window_sequence) { + case ONLY_LONG_SEQUENCE: + len_area1 = frame_len / SSR_BANDS; + len_area2 = 0; + break; + case LONG_START_SEQUENCE: + len_area1 = (frame_len / SSR_BANDS) * 7 / 32; + len_area2 = (frame_len / SSR_BANDS) / 16; + break; + case EIGHT_SHORT_SEQUENCE: + len_area1 = (frame_len / 8) / SSR_BANDS; + len_area2 = 0; + break; + case LONG_STOP_SEQUENCE: + len_area1 = (frame_len / SSR_BANDS); + len_area2 = 0; + break; + } + + /* decode bitstream information */ + + /* build array M */ + + + for (i = 0; i < frame_len * 2; i++) { + gc_function[i] = 1; + } +} + +#endif diff --git a/audio_codec/libfaad/ssr.h b/audio_codec/libfaad/ssr.h new file mode 100644 index 0000000..faaa963 --- a/dev/null +++ b/audio_codec/libfaad/ssr.h @@ -0,0 +1,59 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: ssr.h,v 1.19 2007/11/01 12:33:36 menno Exp $ +**/ + +#ifndef __SSR_H__ +#define __SSR_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#define SSR_BANDS 4 +#define PQFTAPS 96 + + void ssr_decode(ssr_info *ssr, fb_info *fb, uint8_t window_sequence, + uint8_t window_shape, uint8_t window_shape_prev, + real_t *freq_in, real_t *time_out, real_t *overlap, + real_t ipqf_buffer[SSR_BANDS][96 / 4], + real_t *prev_fmd, uint16_t frame_len); + + + static void ssr_gain_control(ssr_info *ssr, real_t *data, real_t *output, + real_t *overlap, real_t *prev_fmd, uint8_t band, + uint8_t window_sequence, uint16_t frame_len); + static void ssr_gc_function(ssr_info *ssr, real_t *prev_fmd, + real_t *gc_function, uint8_t window_sequence, + uint16_t frame_len); + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/ssr_fb.c b/audio_codec/libfaad/ssr_fb.c new file mode 100644 index 0000000..15e7b92 --- a/dev/null +++ b/audio_codec/libfaad/ssr_fb.c @@ -0,0 +1,191 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: ssr_fb.c,v 1.17 2007/11/01 12:33:36 menno Exp $ +**/ + +#include "common.h" +#include "structs.h" + +#ifdef SSR_DEC + +#include +#include +#include "syntax.h" +#include "filtbank.h" +#include "mdct.h" +#include "ssr_fb.h" +#include "ssr_win.h" + +fb_info *ssr_filter_bank_init(uint16_t frame_len) +{ + uint16_t nshort = frame_len / 8; + + fb_info *fb = (fb_info*)faad_malloc(sizeof(fb_info)); + memset(fb, 0, sizeof(fb_info)); + + /* normal */ + fb->mdct256 = faad_mdct_init(2 * nshort); + fb->mdct2048 = faad_mdct_init(2 * frame_len); + + fb->long_window[0] = sine_long_256; + fb->short_window[0] = sine_short_32; + fb->long_window[1] = kbd_long_256; + fb->short_window[1] = kbd_short_32; + + return fb; +} + +void ssr_filter_bank_end(fb_info *fb) +{ + faad_mdct_end(fb->mdct256); + faad_mdct_end(fb->mdct2048); + + if (fb) { + faad_free(fb); + } +} + +static INLINE void imdct_ssr(fb_info *fb, real_t *in_data, + real_t *out_data, uint16_t len) +{ + mdct_info *mdct; + + switch (len) { + case 512: + mdct = fb->mdct2048; + break; + case 64: + mdct = fb->mdct256; + break; + } + + faad_imdct(mdct, in_data, out_data); +} + +/* NON-overlapping inverse filterbank for use with SSR */ +void ssr_ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape, + uint8_t window_shape_prev, real_t *freq_in, + real_t *time_out, uint16_t frame_len) +{ + int16_t i; + real_t *transf_buf; + + real_t *window_long; + real_t *window_long_prev; + real_t *window_short; + real_t *window_short_prev; + + uint16_t nlong = frame_len; + uint16_t nshort = frame_len / 8; + uint16_t trans = nshort / 2; + + uint16_t nflat_ls = (nlong - nshort) / 2; + + transf_buf = (real_t*)faad_malloc(2 * nlong * sizeof(real_t)); + + window_long = fb->long_window[window_shape]; + window_long_prev = fb->long_window[window_shape_prev]; + window_short = fb->short_window[window_shape]; + window_short_prev = fb->short_window[window_shape_prev]; + + switch (window_sequence) { + case ONLY_LONG_SEQUENCE: + imdct_ssr(fb, freq_in, transf_buf, 2 * nlong); + for (i = nlong - 1; i >= 0; i--) { + time_out[i] = MUL_R_C(transf_buf[i], window_long_prev[i]); + time_out[nlong + i] = MUL_R_C(transf_buf[nlong + i], window_long[nlong - 1 - i]); + } + break; + + case LONG_START_SEQUENCE: + imdct_ssr(fb, freq_in, transf_buf, 2 * nlong); + for (i = 0; i < nlong; i++) { + time_out[i] = MUL_R_C(transf_buf[i], window_long_prev[i]); + } + for (i = 0; i < nflat_ls; i++) { + time_out[nlong + i] = transf_buf[nlong + i]; + } + for (i = 0; i < nshort; i++) { + time_out[nlong + nflat_ls + i] = MUL_R_C(transf_buf[nlong + nflat_ls + i], window_short[nshort - i - 1]); + } + for (i = 0; i < nflat_ls; i++) { + time_out[nlong + nflat_ls + nshort + i] = 0; + } + break; + + case EIGHT_SHORT_SEQUENCE: + imdct_ssr(fb, freq_in + 0 * nshort, transf_buf + 2 * nshort * 0, 2 * nshort); + imdct_ssr(fb, freq_in + 1 * nshort, transf_buf + 2 * nshort * 1, 2 * nshort); + imdct_ssr(fb, freq_in + 2 * nshort, transf_buf + 2 * nshort * 2, 2 * nshort); + imdct_ssr(fb, freq_in + 3 * nshort, transf_buf + 2 * nshort * 3, 2 * nshort); + imdct_ssr(fb, freq_in + 4 * nshort, transf_buf + 2 * nshort * 4, 2 * nshort); + imdct_ssr(fb, freq_in + 5 * nshort, transf_buf + 2 * nshort * 5, 2 * nshort); + imdct_ssr(fb, freq_in + 6 * nshort, transf_buf + 2 * nshort * 6, 2 * nshort); + imdct_ssr(fb, freq_in + 7 * nshort, transf_buf + 2 * nshort * 7, 2 * nshort); + for (i = nshort - 1; i >= 0; i--) { + time_out[i + 0 * nshort] = MUL_R_C(transf_buf[nshort * 0 + i], window_short_prev[i]); + time_out[i + 1 * nshort] = MUL_R_C(transf_buf[nshort * 1 + i], window_short[i]); + time_out[i + 2 * nshort] = MUL_R_C(transf_buf[nshort * 2 + i], window_short_prev[i]); + time_out[i + 3 * nshort] = MUL_R_C(transf_buf[nshort * 3 + i], window_short[i]); + time_out[i + 4 * nshort] = MUL_R_C(transf_buf[nshort * 4 + i], window_short_prev[i]); + time_out[i + 5 * nshort] = MUL_R_C(transf_buf[nshort * 5 + i], window_short[i]); + time_out[i + 6 * nshort] = MUL_R_C(transf_buf[nshort * 6 + i], window_short_prev[i]); + time_out[i + 7 * nshort] = MUL_R_C(transf_buf[nshort * 7 + i], window_short[i]); + time_out[i + 8 * nshort] = MUL_R_C(transf_buf[nshort * 8 + i], window_short_prev[i]); + time_out[i + 9 * nshort] = MUL_R_C(transf_buf[nshort * 9 + i], window_short[i]); + time_out[i + 10 * nshort] = MUL_R_C(transf_buf[nshort * 10 + i], window_short_prev[i]); + time_out[i + 11 * nshort] = MUL_R_C(transf_buf[nshort * 11 + i], window_short[i]); + time_out[i + 12 * nshort] = MUL_R_C(transf_buf[nshort * 12 + i], window_short_prev[i]); + time_out[i + 13 * nshort] = MUL_R_C(transf_buf[nshort * 13 + i], window_short[i]); + time_out[i + 14 * nshort] = MUL_R_C(transf_buf[nshort * 14 + i], window_short_prev[i]); + time_out[i + 15 * nshort] = MUL_R_C(transf_buf[nshort * 15 + i], window_short[i]); + } + break; + + case LONG_STOP_SEQUENCE: + imdct_ssr(fb, freq_in, transf_buf, 2 * nlong); + for (i = 0; i < nflat_ls; i++) { + time_out[i] = 0; + } + for (i = 0; i < nshort; i++) { + time_out[nflat_ls + i] = MUL_R_C(transf_buf[nflat_ls + i], window_short_prev[i]); + } + for (i = 0; i < nflat_ls; i++) { + time_out[nflat_ls + nshort + i] = transf_buf[nflat_ls + nshort + i]; + } + for (i = 0; i < nlong; i++) { + time_out[nlong + i] = MUL_R_C(transf_buf[nlong + i], window_long[nlong - 1 - i]); + } + break; + } + + faad_free(transf_buf); +} + + +#endif diff --git a/audio_codec/libfaad/ssr_fb.h b/audio_codec/libfaad/ssr_fb.h new file mode 100644 index 0000000..7140224 --- a/dev/null +++ b/audio_codec/libfaad/ssr_fb.h @@ -0,0 +1,53 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Ahead Software AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. +** +** $Id: ssr_fb.h,v 1.16 2007/11/01 12:33:36 menno Exp $ +**/ + +#ifndef __SSR_FB_H__ +#define __SSR_FB_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + fb_info *ssr_filter_bank_init(uint16_t frame_len); + void ssr_filter_bank_end(fb_info *fb); + + /*non overlapping inverse filterbank */ + void ssr_ifilter_bank(fb_info *fb, + uint8_t window_sequence, + uint8_t window_shape, + uint8_t window_shape_prev, + real_t *freq_in, + real_t *time_out, + uint16_t frame_len); + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/ssr_ipqf.c b/audio_codec/libfaad/ssr_ipqf.c new file mode 100644 index 0000000..a192277 --- a/dev/null +++ b/audio_codec/libfaad/ssr_ipqf.c @@ -0,0 +1,171 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: ssr_ipqf.c,v 1.18 2007/11/01 12:33:39 menno Exp $ +**/ + +#include "common.h" +#include "structs.h" + +#ifdef SSR_DEC + +#include "ssr.h" +#include "ssr_ipqf.h" + +static real_t **app_pqfbuf; +static real_t **pp_q0, **pp_t0, **pp_t1; + +void gc_set_protopqf(real_t *p_proto) +{ + int j; + static real_t a_half[48] = { + 1.2206911375946939E-05, 1.7261986723798209E-05, 1.2300093657077942E-05, + -1.0833943097791965E-05, -5.7772498639901686E-05, -1.2764767618947719E-04, + -2.0965186675013334E-04, -2.8166673689263850E-04, -3.1234860429017460E-04, + -2.6738519958452353E-04, -1.1949424681824722E-04, 1.3965139412648678E-04, + 4.8864136409185725E-04, 8.7044629275148344E-04, 1.1949430269934793E-03, + 1.3519708175026700E-03, 1.2346314373964412E-03, 7.6953209114159191E-04, + -5.2242432579537141E-05, -1.1516092887213454E-03, -2.3538469841711277E-03, + -3.4033123072127277E-03, -4.0028551071986133E-03, -3.8745415659693259E-03, + -2.8321073426874310E-03, -8.5038892323704195E-04, 1.8856751185350931E-03, + 4.9688741735340923E-03, 7.8056704536795926E-03, 9.7027909685901654E-03, + 9.9960423120166159E-03, 8.2019366335594487E-03, 4.1642072876103365E-03, + -1.8364453822737758E-03, -9.0384863094167686E-03, -1.6241528177129844E-02, + -2.1939551286300665E-02, -2.4533179947088161E-02, -2.2591663337768787E-02, + -1.5122066420044672E-02, -1.7971713448186293E-03, 1.6903413428575379E-02, + 3.9672315874127042E-02, 6.4487527248102796E-02, 8.8850025474701726E-02, + 0.1101132906105560 , 0.1258540205143761 , 0.1342239368467012 + }; + + for (j = 0; j < 48; ++j) { + p_proto[j] = p_proto[95 - j] = a_half[j]; + } +} + +void gc_setcoef_eff_pqfsyn(int mm, + int kk, + real_t *p_proto, + real_t ***ppp_q0, + real_t ***ppp_t0, + real_t ***ppp_t1) +{ + int i, k, n; + real_t w; + + /* Set 1st Mul&Acc Coef's */ + *ppp_q0 = (real_t **) calloc(mm, sizeof(real_t *)); + for (n = 0; n < mm; ++n) { + (*ppp_q0)[n] = (real_t *) calloc(mm, sizeof(real_t)); + } + for (n = 0; n < mm / 2; ++n) { + for (i = 0; i < mm; ++i) { + w = (2 * i + 1) * (2 * n + 1 - mm) * M_PI / (4 * mm); + (*ppp_q0)[n][i] = 2.0 * cos((real_t) w); + + w = (2 * i + 1) * (2 * (mm + n) + 1 - mm) * M_PI / (4 * mm); + (*ppp_q0)[n + mm / 2][i] = 2.0 * cos((real_t) w); + } + } + + /* Set 2nd Mul&Acc Coef's */ + *ppp_t0 = (real_t **) calloc(mm, sizeof(real_t *)); + *ppp_t1 = (real_t **) calloc(mm, sizeof(real_t *)); + for (n = 0; n < mm; ++n) { + (*ppp_t0)[n] = (real_t *) calloc(kk, sizeof(real_t)); + (*ppp_t1)[n] = (real_t *) calloc(kk, sizeof(real_t)); + } + for (n = 0; n < mm; ++n) { + for (k = 0; k < kk; ++k) { + (*ppp_t0)[n][k] = mm * p_proto[2 * k * mm + n]; + (*ppp_t1)[n][k] = mm * p_proto[(2 * k + 1) * mm + n]; + + if (k % 2 != 0) { + (*ppp_t0)[n][k] = -(*ppp_t0)[n][k]; + (*ppp_t1)[n][k] = -(*ppp_t1)[n][k]; + } + } + } +} + +void ssr_ipqf(ssr_info *ssr, real_t *in_data, real_t *out_data, + real_t buffer[SSR_BANDS][96 / 4], + uint16_t frame_len, uint8_t bands) +{ + static int initFlag = 0; + real_t a_pqfproto[PQFTAPS]; + + int i; + + if (initFlag == 0) { + gc_set_protopqf(a_pqfproto); + gc_setcoef_eff_pqfsyn(SSR_BANDS, PQFTAPS / (2 * SSR_BANDS), a_pqfproto, + &pp_q0, &pp_t0, &pp_t1); + initFlag = 1; + } + + for (i = 0; i < frame_len / SSR_BANDS; i++) { + int l, n, k; + int mm = SSR_BANDS; + int kk = PQFTAPS / (2 * SSR_BANDS); + + for (n = 0; n < mm; n++) { + for (k = 0; k < 2 * kk - 1; k++) { + buffer[n][k] = buffer[n][k + 1]; + } + } + + for (n = 0; n < mm; n++) { + real_t acc = 0.0; + for (l = 0; l < mm; l++) { + acc += pp_q0[n][l] * in_data[l * frame_len / SSR_BANDS + i]; + } + buffer[n][2 * kk - 1] = acc; + } + + for (n = 0; n < mm / 2; n++) { + real_t acc = 0.0; + for (k = 0; k < kk; k++) { + acc += pp_t0[n][k] * buffer[n][2 * kk - 1 - 2 * k]; + } + for (k = 0; k < kk; ++k) { + acc += pp_t1[n][k] * buffer[n + mm / 2][2 * kk - 2 - 2 * k]; + } + out_data[i * SSR_BANDS + n] = acc; + + acc = 0.0; + for (k = 0; k < kk; k++) { + acc += pp_t0[mm - 1 - n][k] * buffer[n][2 * kk - 1 - 2 * k]; + } + for (k = 0; k < kk; k++) { + acc -= pp_t1[mm - 1 - n][k] * buffer[n + mm / 2][2 * kk - 2 - 2 * k]; + } + out_data[i * SSR_BANDS + mm - 1 - n] = acc; + } + } +} + +#endif diff --git a/audio_codec/libfaad/ssr_ipqf.h b/audio_codec/libfaad/ssr_ipqf.h new file mode 100644 index 0000000..3a86a53 --- a/dev/null +++ b/audio_codec/libfaad/ssr_ipqf.h @@ -0,0 +1,46 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Ahead Software AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. +** +** $Id: ssr_ipqf.h,v 1.17 2007/11/01 12:33:39 menno Exp $ +**/ + +#ifndef __SSR_IPQF_H__ +#define __SSR_IPQF_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + void ssr_ipqf(ssr_info *ssr, real_t *in_data, real_t *out_data, + real_t buffer[SSR_BANDS][96 / 4], + uint16_t frame_len, uint8_t bands); + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/ssr_win.h b/audio_codec/libfaad/ssr_win.h new file mode 100644 index 0000000..6683815 --- a/dev/null +++ b/audio_codec/libfaad/ssr_win.h @@ -0,0 +1,635 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Ahead Software AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. +** +** $Id: ssr_win.h,v 1.16 2007/11/01 12:33:39 menno Exp $ +**/ + +#ifndef __SSR_WIN_H__ +#define __SSR_WIN_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef _MSC_VER +#pragma warning(disable:4305) +#pragma warning(disable:4244) +#endif + + static real_t sine_short_32[] = { + 0.0245412290, + 0.0735645667, + 0.1224106774, + 0.1709618866, + 0.2191012502, + 0.2667127550, + 0.3136817515, + 0.3598950505, + 0.4052413106, + 0.4496113360, + 0.4928981960, + 0.5349976420, + 0.5758082271, + 0.6152316332, + 0.6531728506, + 0.6895405650, + 0.7242470980, + 0.7572088838, + 0.7883464694, + 0.8175848126, + 0.8448535800, + 0.8700870275, + 0.8932242990, + 0.9142097831, + 0.9329928160, + 0.9495282173, + 0.9637760520, + 0.9757021666, + 0.9852776527, + 0.9924795628, + 0.9972904325, + 0.9996988177 + }; + + static real_t sine_long_256[] = { + 0.0030679568, + 0.0092037553, + 0.0153392069, + 0.0214740802, + 0.0276081469, + 0.0337411724, + 0.0398729295, + 0.0460031852, + 0.0521317050, + 0.0582582653, + 0.0643826351, + 0.0705045760, + 0.0766238645, + 0.0827402696, + 0.0888535529, + 0.0949634984, + 0.1010698676, + 0.1071724296, + 0.1132709533, + 0.1193652153, + 0.1254549921, + 0.1315400302, + 0.1376201212, + 0.1436950415, + 0.1497645378, + 0.1558284014, + 0.1618863940, + 0.1679383069, + 0.1739838719, + 0.1800229102, + 0.1860551536, + 0.1920804083, + 0.1980984211, + 0.2041089684, + 0.2101118416, + 0.2161068022, + 0.2220936269, + 0.2280720919, + 0.2340419590, + 0.2400030345, + 0.2459550500, + 0.2518978119, + 0.2578310966, + 0.2637546957, + 0.2696683407, + 0.2755718231, + 0.2814649343, + 0.2873474658, + 0.2932191789, + 0.2990798354, + 0.3049292266, + 0.3107671738, + 0.3165933788, + 0.3224076927, + 0.3282098472, + 0.3339996636, + 0.3397769034, + 0.3455413282, + 0.3512927592, + 0.3570309579, + 0.3627557456, + 0.3684668541, + 0.3741640747, + 0.3798472285, + 0.3855160773, + 0.3911703825, + 0.3968099952, + 0.4024346471, + 0.4080441594, + 0.4136383235, + 0.4192169011, + 0.4247796834, + 0.4303264916, + 0.4358570874, + 0.4413712919, + 0.4468688369, + 0.4523496032, + 0.4578133225, + 0.4632597864, + 0.4686888456, + 0.4741002321, + 0.4794937670, + 0.4848692715, + 0.4902265072, + 0.4955652654, + 0.5008853674, + 0.5061866641, + 0.5114688873, + 0.5167317986, + 0.5219752789, + 0.5271991491, + 0.5324031115, + 0.5375871062, + 0.5427507758, + 0.5478940606, + 0.5530167222, + 0.5581185222, + 0.5631993413, + 0.5682589412, + 0.5732972026, + 0.5783138275, + 0.5833086967, + 0.5882815719, + 0.5932323337, + 0.5981607437, + 0.6030666232, + 0.6079497933, + 0.6128100753, + 0.6176473498, + 0.6224613190, + 0.6272518039, + 0.6320187449, + 0.6367619038, + 0.6414810419, + 0.6461760402, + 0.6508467197, + 0.6554928422, + 0.6601143479, + 0.6647109985, + 0.6692826152, + 0.6738290191, + 0.6783500314, + 0.6828455329, + 0.6873153448, + 0.6917592883, + 0.6961771250, + 0.7005687952, + 0.7049341202, + 0.7092728615, + 0.7135848999, + 0.7178700566, + 0.7221282125, + 0.7263591886, + 0.7305628061, + 0.7347388864, + 0.7388873696, + 0.7430079579, + 0.7471006513, + 0.7511651516, + 0.7552013993, + 0.7592092156, + 0.7631884217, + 0.7671388984, + 0.7710605264, + 0.7749531269, + 0.7788165212, + 0.7826505899, + 0.7864552140, + 0.7902302146, + 0.7939754725, + 0.7976908684, + 0.8013761640, + 0.8050313592, + 0.8086562157, + 0.8122506142, + 0.8158144355, + 0.8193475604, + 0.8228498101, + 0.8263210654, + 0.8297612667, + 0.8331701756, + 0.8365477324, + 0.8398938179, + 0.8432082534, + 0.8464909792, + 0.8497417569, + 0.8529606462, + 0.8561473489, + 0.8593018055, + 0.8624239564, + 0.8655136228, + 0.8685707450, + 0.8715950847, + 0.8745866418, + 0.8775452971, + 0.8804709315, + 0.8833633661, + 0.8862225413, + 0.8890483975, + 0.8918406963, + 0.8945994973, + 0.8973246217, + 0.9000158906, + 0.9026733041, + 0.9052967429, + 0.9078861475, + 0.9104412794, + 0.9129621983, + 0.9154487252, + 0.9179008007, + 0.9203183055, + 0.9227011204, + 0.9250492454, + 0.9273625612, + 0.9296408892, + 0.9318842888, + 0.9340925813, + 0.9362657070, + 0.9384035468, + 0.9405061007, + 0.9425731897, + 0.9446048737, + 0.9466009140, + 0.9485613704, + 0.9504860640, + 0.9523749948, + 0.9542281032, + 0.9560452700, + 0.9578264356, + 0.9595715404, + 0.9612805247, + 0.9629532695, + 0.9645897746, + 0.9661900401, + 0.9677538276, + 0.9692812562, + 0.9707721472, + 0.9722265005, + 0.9736442566, + 0.9750253558, + 0.9763697386, + 0.9776773453, + 0.9789481759, + 0.9801821709, + 0.9813792109, + 0.9825392962, + 0.9836624265, + 0.9847484827, + 0.9857975245, + 0.9868094325, + 0.9877841473, + 0.9887216687, + 0.9896219969, + 0.9904850721, + 0.9913108945, + 0.9920993447, + 0.9928504229, + 0.9935641289, + 0.9942404628, + 0.9948793054, + 0.9954807758, + 0.9960446954, + 0.9965711236, + 0.9970600605, + 0.9975114465, + 0.9979252815, + 0.9983015656, + 0.9986402392, + 0.9989413023, + 0.9992047548, + 0.9994305968, + 0.9996188283, + 0.9997693896, + 0.9998823404, + 0.9999576211, + 0.9999952912 + }; + + static real_t kbd_short_32[] = { + 0.0000875914060105, + 0.0009321760265333, + 0.0032114611466596, + 0.0081009893216786, + 0.0171240286619181, + 0.0320720743527833, + 0.0548307856028528, + 0.0871361822564870, + 0.1302923415174603, + 0.1848955425508276, + 0.2506163195331889, + 0.3260874142923209, + 0.4089316830907141, + 0.4959414909423747, + 0.5833939894958904, + 0.6674601983218376, + 0.7446454751465113, + 0.8121892962974020, + 0.8683559394406505, + 0.9125649996381605, + 0.9453396205809574, + 0.9680864942677585, + 0.9827581789763112, + 0.9914756203467121, + 0.9961964092194694, + 0.9984956609571091, + 0.9994855586984285, + 0.9998533730714648, + 0.9999671864476404, + 0.9999948432453556, + 0.9999995655238333, + 0.9999999961638728 + }; + + + static real_t kbd_long_256[] = { + 0.0005851230124487, + 0.0009642149851497, + 0.0013558207534965, + 0.0017771849644394, + 0.0022352533849672, + 0.0027342299070304, + 0.0032773001022195, + 0.0038671998069216, + 0.0045064443384152, + 0.0051974336885144, + 0.0059425050016407, + 0.0067439602523141, + 0.0076040812644888, + 0.0085251378135895, + 0.0095093917383048, + 0.0105590986429280, + 0.0116765080854300, + 0.0128638627792770, + 0.0141233971318631, + 0.0154573353235409, + 0.0168678890600951, + 0.0183572550877256, + 0.0199276125319803, + 0.0215811201042484, + 0.0233199132076965, + 0.0251461009666641, + 0.0270617631981826, + 0.0290689473405856, + 0.0311696653515848, + 0.0333658905863535, + 0.0356595546648444, + 0.0380525443366107, + 0.0405466983507029, + 0.0431438043376910, + 0.0458455957104702, + 0.0486537485902075, + 0.0515698787635492, + 0.0545955386770205, + 0.0577322144743916, + 0.0609813230826460, + 0.0643442093520723, + 0.0678221432558827, + 0.0714163171546603, + 0.0751278431308314, + 0.0789577503982528, + 0.0829069827918993, + 0.0869763963425241, + 0.0911667569410503, + 0.0954787380973307, + 0.0999129187977865, + 0.1044697814663005, + 0.1091497100326053, + 0.1139529881122542, + 0.1188797973021148, + 0.1239302155951605, + 0.1291042159181728, + 0.1344016647957880, + 0.1398223211441467, + 0.1453658351972151, + 0.1510317475686540, + 0.1568194884519144, + 0.1627283769610327, + 0.1687576206143887, + 0.1749063149634756, + 0.1811734433685097, + 0.1875578769224857, + 0.1940583745250518, + 0.2006735831073503, + 0.2074020380087318, + 0.2142421635060113, + 0.2211922734956977, + 0.2282505723293797, + 0.2354151558022098, + 0.2426840122941792, + 0.2500550240636293, + 0.2575259686921987, + 0.2650945206801527, + 0.2727582531907993, + 0.2805146399424422, + 0.2883610572460804, + 0.2962947861868143, + 0.3043130149466800, + 0.3124128412663888, + 0.3205912750432127, + 0.3288452410620226, + 0.3371715818562547, + 0.3455670606953511, + 0.3540283646950029, + 0.3625521080463003, + 0.3711348353596863, + 0.3797730251194006, + 0.3884630932439016, + 0.3972013967475546, + 0.4059842374986933, + 0.4148078660689724, + 0.4236684856687616, + 0.4325622561631607, + 0.4414852981630577, + 0.4504336971855032, + 0.4594035078775303, + 0.4683907582974173, + 0.4773914542472655, + 0.4864015836506502, + 0.4954171209689973, + 0.5044340316502417, + 0.5134482766032377, + 0.5224558166913167, + 0.5314526172383208, + 0.5404346525403849, + 0.5493979103766972, + 0.5583383965124314, + 0.5672521391870222, + 0.5761351935809411, + 0.5849836462541291, + 0.5937936195492526, + 0.6025612759529649, + 0.6112828224083939, + 0.6199545145721097, + 0.6285726610088878, + 0.6371336273176413, + 0.6456338401819751, + 0.6540697913388968, + 0.6624380414593221, + 0.6707352239341151, + 0.6789580485595255, + 0.6871033051160131, + 0.6951678668345944, + 0.7031486937449871, + 0.7110428359000029, + 0.7188474364707993, + 0.7265597347077880, + 0.7341770687621900, + 0.7416968783634273, + 0.7491167073477523, + 0.7564342060337386, + 0.7636471334404891, + 0.7707533593446514, + 0.7777508661725849, + 0.7846377507242818, + 0.7914122257259034, + 0.7980726212080798, + 0.8046173857073919, + 0.8110450872887550, + 0.8173544143867162, + 0.8235441764639875, + 0.8296133044858474, + 0.8355608512093652, + 0.8413859912867303, + 0.8470880211822968, + 0.8526663589032990, + 0.8581205435445334, + 0.8634502346476508, + 0.8686552113760616, + 0.8737353715068081, + 0.8786907302411250, + 0.8835214188357692, + 0.8882276830575707, + 0.8928098814640207, + 0.8972684835130879, + 0.9016040675058185, + 0.9058173183656508, + 0.9099090252587376, + 0.9138800790599416, + 0.9177314696695282, + 0.9214642831859411, + 0.9250796989403991, + 0.9285789863994010, + 0.9319635019415643, + 0.9352346855155568, + 0.9383940571861993, + 0.9414432135761304, + 0.9443838242107182, + 0.9472176277741918, + 0.9499464282852282, + 0.9525720912004834, + 0.9550965394547873, + 0.9575217494469370, + 0.9598497469802043, + 0.9620826031668507, + 0.9642224303060783, + 0.9662713777449607, + 0.9682316277319895, + 0.9701053912729269, + 0.9718949039986892, + 0.9736024220549734, + 0.9752302180233160, + 0.9767805768831932, + 0.9782557920246753, + 0.9796581613210076, + 0.9809899832703159, + 0.9822535532154261, + 0.9834511596505429, + 0.9845850806232530, + 0.9856575802399989, + 0.9866709052828243, + 0.9876272819448033, + 0.9885289126911557, + 0.9893779732525968, + 0.9901766097569984, + 0.9909269360049311, + 0.9916310308941294, + 0.9922909359973702, + 0.9929086532976777, + 0.9934861430841844, + 0.9940253220113651, + 0.9945280613237534, + 0.9949961852476154, + 0.9954314695504363, + 0.9958356402684387, + 0.9962103726017252, + 0.9965572899760172, + 0.9968779632693499, + 0.9971739102014799, + 0.9974465948831872, + 0.9976974275220812, + 0.9979277642809907, + 0.9981389072844972, + 0.9983321047686901, + 0.9985085513687731, + 0.9986693885387259, + 0.9988157050968516, + 0.9989485378906924, + 0.9990688725744943, + 0.9991776444921379, + 0.9992757396582338, + 0.9993639958299003, + 0.9994432036616085, + 0.9995141079353859, + 0.9995774088586188, + 0.9996337634216871, + 0.9996837868076957, + 0.9997280538466377, + 0.9997671005064359, + 0.9998014254134544, + 0.9998314913952471, + 0.9998577270385304, + 0.9998805282555989, + 0.9999002598526793, + 0.9999172570940037, + 0.9999318272557038, + 0.9999442511639580, + 0.9999547847121726, + 0.9999636603523446, + 0.9999710885561258, + 0.9999772592414866, + 0.9999823431612708, + 0.9999864932503106, + 0.9999898459281599, + 0.9999925223548691, + 0.9999946296375997, + 0.9999962619864214, + 0.9999975018180320, + 0.9999984208055542, + 0.9999990808746198, + 0.9999995351446231, + 0.9999998288155155 + }; + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/structs.h b/audio_codec/libfaad/structs.h new file mode 100644 index 0000000..73f81cc --- a/dev/null +++ b/audio_codec/libfaad/structs.h @@ -0,0 +1,513 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: structs.h,v 1.49 2009/01/26 23:51:15 menno Exp $ +**/ + +#ifndef __STRUCTS_H__ +#define __STRUCTS_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "cfft.h" +#ifdef SBR_DEC +#include "sbr_dec.h" +#endif + +#define MAX_CHANNELS 64 +#define MAX_SYNTAX_ELEMENTS 48 +#define MAX_WINDOW_GROUPS 8 +#define MAX_SFB 51 +#define MAX_LTP_SFB 40 +#define MAX_LTP_SFB_S 8 + + /* used to save the prediction state */ + typedef struct { + int16_t r[2]; + int16_t COR[2]; + int16_t VAR[2]; + } pred_state; + + typedef struct { + uint16_t N; + cfft_info *cfft; + complex_t *sincos; +#ifdef PROFILE + int64_t cycles; + int64_t fft_cycles; +#endif + } mdct_info; + + typedef struct { + const real_t *long_window[2]; + const real_t *short_window[2]; +#ifdef LD_DEC + const real_t *ld_window[2]; +#endif + + mdct_info *mdct256; +#ifdef LD_DEC + mdct_info *mdct1024; +#endif + mdct_info *mdct2048; +#ifdef PROFILE + int64_t cycles; +#endif + } fb_info; + + typedef struct { + uint8_t present; + + uint8_t num_bands; + uint8_t pce_instance_tag; + uint8_t excluded_chns_present; + uint8_t band_top[17]; + uint8_t prog_ref_level; + uint8_t dyn_rng_sgn[17]; + uint8_t dyn_rng_ctl[17]; + uint8_t exclude_mask[MAX_CHANNELS]; + uint8_t additional_excluded_chns[MAX_CHANNELS]; + + real_t ctrl1; + real_t ctrl2; + } drc_info; + + typedef struct { + uint8_t element_instance_tag; + uint8_t object_type; + uint8_t sf_index; + uint8_t num_front_channel_elements; + uint8_t num_side_channel_elements; + uint8_t num_back_channel_elements; + uint8_t num_lfe_channel_elements; + uint8_t num_assoc_data_elements; + uint8_t num_valid_cc_elements; + uint8_t mono_mixdown_present; + uint8_t mono_mixdown_element_number; + uint8_t stereo_mixdown_present; + uint8_t stereo_mixdown_element_number; + uint8_t matrix_mixdown_idx_present; + uint8_t pseudo_surround_enable; + uint8_t matrix_mixdown_idx; + uint8_t front_element_is_cpe[16]; + uint8_t front_element_tag_select[16]; + uint8_t side_element_is_cpe[16]; + uint8_t side_element_tag_select[16]; + uint8_t back_element_is_cpe[16]; + uint8_t back_element_tag_select[16]; + uint8_t lfe_element_tag_select[16]; + uint8_t assoc_data_element_tag_select[16]; + uint8_t cc_element_is_ind_sw[16]; + uint8_t valid_cc_element_tag_select[16]; + + uint8_t channels; + + uint8_t comment_field_bytes; + uint8_t comment_field_data[257]; + + /* extra added values */ + uint8_t num_front_channels; + uint8_t num_side_channels; + uint8_t num_back_channels; + uint8_t num_lfe_channels; + uint8_t sce_channel[16]; + uint8_t cpe_channel[16]; + } program_config; + + typedef struct { + uint16_t syncword; + uint8_t id; + uint8_t layer; + uint8_t protection_absent; + uint8_t profile; + uint8_t sf_index; + uint8_t private_bit; + uint8_t channel_configuration; + uint8_t original; + uint8_t home; + uint8_t emphasis; + uint8_t copyright_identification_bit; + uint8_t copyright_identification_start; + uint16_t aac_frame_length; + uint16_t adts_buffer_fullness; + uint8_t no_raw_data_blocks_in_frame; + uint16_t crc_check; + + /* control param */ + uint8_t old_format; + } adts_header; + + typedef struct { + uint8_t copyright_id_present; + int8_t copyright_id[10]; + uint8_t original_copy; + uint8_t home; + uint8_t bitstream_type; + uint32_t bitrate; + uint8_t num_program_config_elements; + uint32_t adif_buffer_fullness; + + /* maximum of 16 PCEs */ + program_config pce[16]; + } adif_header; + +#ifdef LTP_DEC + typedef struct { + uint8_t last_band; + uint8_t data_present; + uint16_t lag; + uint8_t lag_update; + uint8_t coef; + uint8_t long_used[MAX_SFB]; + uint8_t short_used[8]; + uint8_t short_lag_present[8]; + uint8_t short_lag[8]; + } ltp_info; +#endif + +#ifdef MAIN_DEC + typedef struct { + uint8_t limit; + uint8_t predictor_reset; + uint8_t predictor_reset_group_number; + uint8_t prediction_used[MAX_SFB]; + } pred_info; +#endif + + typedef struct { + uint8_t number_pulse; + uint8_t pulse_start_sfb; + uint8_t pulse_offset[4]; + uint8_t pulse_amp[4]; + } pulse_info; + + typedef struct { + uint8_t n_filt[8]; + uint8_t coef_res[8]; + uint8_t length[8][4]; + uint8_t order[8][4]; + uint8_t direction[8][4]; + uint8_t coef_compress[8][4]; + uint8_t coef[8][4][32]; + } tns_info; + +#ifdef SSR_DEC + typedef struct { + uint8_t max_band; + + uint8_t adjust_num[4][8]; + uint8_t alevcode[4][8][8]; + uint8_t aloccode[4][8][8]; + } ssr_info; +#endif + + typedef struct { + uint8_t max_sfb; + + uint8_t num_swb; + uint8_t num_window_groups; + uint8_t num_windows; + uint8_t window_sequence; + uint8_t window_group_length[8]; + uint8_t window_shape; + uint8_t scale_factor_grouping; + uint16_t sect_sfb_offset[8][15 * 8]; + uint16_t swb_offset[52]; + uint16_t swb_offset_max; + + uint8_t sect_cb[8][15 * 8]; + uint16_t sect_start[8][15 * 8]; + uint16_t sect_end[8][15 * 8]; + uint8_t sfb_cb[8][8 * 15]; + uint8_t num_sec[8]; /* number of sections in a group */ + + uint8_t global_gain; + int16_t scale_factors[8][51]; /* [0..255] */ + + uint8_t ms_mask_present; + uint8_t ms_used[MAX_WINDOW_GROUPS][MAX_SFB]; + + uint8_t noise_used; + uint8_t is_used; + + uint8_t pulse_data_present; + uint8_t tns_data_present; + uint8_t gain_control_data_present; + uint8_t predictor_data_present; + + pulse_info pul; + tns_info tns; +#ifdef MAIN_DEC + pred_info pred; +#endif +#ifdef LTP_DEC + ltp_info ltp; + ltp_info ltp2; +#endif +#ifdef SSR_DEC + ssr_info ssr; +#endif + +#ifdef ERROR_RESILIENCE + /* ER HCR data */ + uint16_t length_of_reordered_spectral_data; + uint8_t length_of_longest_codeword; + /* ER RLVC data */ + uint8_t sf_concealment; + uint8_t rev_global_gain; + uint16_t length_of_rvlc_sf; + uint16_t dpcm_noise_nrg; + uint8_t sf_escapes_present; + uint8_t length_of_rvlc_escapes; + uint16_t dpcm_noise_last_position; +#endif + } ic_stream; /* individual channel stream */ + + typedef struct { + uint8_t channel; + int16_t paired_channel; + + uint8_t element_instance_tag; + uint8_t common_window; + + ic_stream ics1; + ic_stream ics2; + } element; /* syntax element (SCE, CPE, LFE) */ + +#define MAX_ASC_BYTES 64 + typedef struct { + int inited; + int version, versionA; + int framelen_type; + int useSameStreamMux; + int allStreamsSameTimeFraming; + int numSubFrames; + int numPrograms; + int numLayers; + int otherDataPresent; + uint32_t otherDataLenBits; + uint32_t frameLength; + uint8_t ASC[MAX_ASC_BYTES]; + uint32_t ASCbits; + } latm_header; + +#define NEW_CODE_CHECK_LATM +#ifdef NEW_CODE_CHECK_LATM +#define LOAS_HEADER_SIZE 3 + /**************************************************************************** + * LOAS helpers + ****************************************************************************/ +#define LATM_MAX_EXTRA_SIZE 64 + typedef struct { + int i_object_type; + int i_samplerate; + int i_channel; + int i_sbr; // 0: no sbr, 1: sbr, -1: unknown + int i_ps; // 0: no ps, 1: ps, -1: unknown + + struct { + int i_object_type; + int i_samplerate; + } extension; + + /* GASpecific */ + int i_frame_length; // 1024 or 960 + + } mpeg4_cfg_t; + typedef struct { + int i_program; + int i_layer; + + int i_frame_length_type; + int i_frame_length; // type 1 + int i_frame_length_index; // type 3 4 5 6 7 + + mpeg4_cfg_t cfg; + + /* Raw configuration */ + int i_extra; + uint8_t extra[LATM_MAX_EXTRA_SIZE]; + + } latm_stream_t; + +#define LATM_MAX_LAYER (8) +#define LATM_MAX_PROGRAM (16) + typedef struct { + int b_same_time_framing; + int i_sub_frames; + int i_programs; + + int pi_layers[LATM_MAX_PROGRAM]; + + int pi_stream[LATM_MAX_PROGRAM][LATM_MAX_LAYER]; + + int i_streams; + latm_stream_t stream[LATM_MAX_PROGRAM*LATM_MAX_LAYER]; + + int i_other_data; + int i_crc; /* -1 if not set */ + } latm_mux_t; + + typedef struct { + /* + * Input properties + */ + int i_state; + int i_type; + int i_frame_size; + unsigned int i_channels; + unsigned int i_rate, i_frame_length, i_header_size; + int i_input_rate; + /* LOAS */ + unsigned char b_latm_cfg; + latm_mux_t latm; + } decoder_sys_t; + +#endif + typedef struct { + uint8_t adts_header_present; + uint8_t adif_header_present; + uint8_t latm_header_present; + uint8_t sf_index; + uint8_t object_type; + uint8_t channelConfiguration; +#ifdef ERROR_RESILIENCE + uint8_t aacSectionDataResilienceFlag; + uint8_t aacScalefactorDataResilienceFlag; + uint8_t aacSpectralDataResilienceFlag; +#endif + uint16_t frameLength; + uint8_t postSeekResetFlag; + + uint32_t frame; + + uint8_t downMatrix; + uint8_t upMatrix; + uint8_t first_syn_ele; + uint8_t has_lfe; + /* number of channels in current frame */ + uint8_t fr_channels; + /* number of elements in current frame */ + uint8_t fr_ch_ele; + + /* element_output_channels: + determines the number of channels the element will output + */ + uint8_t element_output_channels[MAX_SYNTAX_ELEMENTS]; + /* element_alloced: + determines whether the data needed for the element is allocated or not + */ + uint8_t element_alloced[MAX_SYNTAX_ELEMENTS]; + /* alloced_channels: + determines the number of channels where output data is allocated for + */ + uint8_t alloced_channels; + + /* output data buffer */ + void *sample_buffer; + + /*add for loas sub frame large than one*/ + void *sample_buffer_all; + + uint8_t window_shape_prev[MAX_CHANNELS]; +#ifdef LTP_DEC + uint16_t ltp_lag[MAX_CHANNELS]; +#endif + fb_info *fb; + drc_info *drc; + + real_t *time_out[MAX_CHANNELS]; + real_t *fb_intermed[MAX_CHANNELS]; + +#ifdef SBR_DEC + int8_t sbr_present_flag; + int8_t forceUpSampling; + int8_t downSampledSBR; + /* determines whether SBR data is allocated for the gives element */ + uint8_t sbr_alloced[MAX_SYNTAX_ELEMENTS]; + + sbr_info *sbr[MAX_SYNTAX_ELEMENTS]; +#endif +#if (defined(PS_DEC) || defined(DRM_PS)) + uint8_t ps_used[MAX_SYNTAX_ELEMENTS]; + uint8_t ps_used_global; +#endif + +#ifdef SSR_DEC + real_t *ssr_overlap[MAX_CHANNELS]; + real_t *prev_fmd[MAX_CHANNELS]; + real_t ipqf_buffer[MAX_CHANNELS][4][96 / 4]; +#endif + +#ifdef MAIN_DEC + pred_state *pred_stat[MAX_CHANNELS]; +#endif +#ifdef LTP_DEC + int16_t *lt_pred_stat[MAX_CHANNELS]; +#endif + +#ifdef DRM + uint8_t error_state; +#endif + + /* RNG states */ + uint32_t __r1; + uint32_t __r2; + + /* Program Config Element */ + uint8_t pce_set; + program_config pce; + uint8_t element_id[MAX_CHANNELS]; + uint8_t internal_channel[MAX_CHANNELS]; + + /* Configuration data */ + NeAACDecConfiguration config; + +#ifdef PROFILE + int64_t cycles; + int64_t spectral_cycles; + int64_t output_cycles; + int64_t scalefac_cycles; + int64_t requant_cycles; +#endif + latm_header latm_config; + const unsigned char *cmes; +#ifdef NEW_CODE_CHECK_LATM + decoder_sys_t dec_sys; +#endif + int last_sf_index; + int last_ch_configure; + } NeAACDecStruct; + + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/syntax.c b/audio_codec/libfaad/syntax.c new file mode 100644 index 0000000..a2d0f4b --- a/dev/null +++ b/audio_codec/libfaad/syntax.c @@ -0,0 +1,2539 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: syntax.c,v 1.93 2009/01/26 23:51:15 menno Exp $ +**/ + +/* + Reads the AAC bitstream as defined in 14496-3 (MPEG-4 Audio) +*/ +#include +#include "common.h" +#include "structs.h" + +#include +#include + +#include "syntax.h" +#include "specrec.h" +#include "huffman.h" +#include "bits.h" +#include "pulse.h" +#include "analysis.h" +#include "drc.h" +#ifdef ERROR_RESILIENCE +#include "rvlc.h" +#endif +#ifdef SBR_DEC +#include "sbr_syntax.h" +#endif +#include "mp4.h" + + +/* static function declarations */ +static void decode_sce_lfe(NeAACDecStruct *hDecoder, NeAACDecFrameInfo *hInfo, bitfile *ld, + uint8_t id_syn_ele); +static void decode_cpe(NeAACDecStruct *hDecoder, NeAACDecFrameInfo *hInfo, bitfile *ld, + uint8_t id_syn_ele); +static uint8_t single_lfe_channel_element(NeAACDecStruct *hDecoder, bitfile *ld, + uint8_t channel, uint8_t *tag); +static uint8_t channel_pair_element(NeAACDecStruct *hDecoder, bitfile *ld, + uint8_t channel, uint8_t *tag); +#ifdef COUPLING_DEC +static uint8_t coupling_channel_element(NeAACDecStruct *hDecoder, bitfile *ld); +#endif +static uint16_t data_stream_element(NeAACDecStruct *hDecoder, bitfile *ld); +static uint8_t program_config_element(program_config *pce, bitfile *ld); +static uint8_t fill_element(NeAACDecStruct *hDecoder, bitfile *ld, drc_info *drc +#ifdef SBR_DEC + , uint8_t sbr_ele +#endif + ); +static uint8_t individual_channel_stream(NeAACDecStruct *hDecoder, element *ele, + bitfile *ld, ic_stream *ics, uint8_t scal_flag, + int16_t *spec_data); +static uint8_t ics_info(NeAACDecStruct *hDecoder, ic_stream *ics, bitfile *ld, + uint8_t common_window); +static uint8_t section_data(NeAACDecStruct *hDecoder, ic_stream *ics, bitfile *ld); +static uint8_t scale_factor_data(NeAACDecStruct *hDecoder, ic_stream *ics, bitfile *ld); +#ifdef SSR_DEC +static void gain_control_data(bitfile *ld, ic_stream *ics); +#endif +static uint8_t spectral_data(NeAACDecStruct *hDecoder, ic_stream *ics, bitfile *ld, + int16_t *spectral_data); +static uint16_t extension_payload(bitfile *ld, drc_info *drc, uint16_t count); +static uint8_t pulse_data(ic_stream *ics, pulse_info *pul, bitfile *ld); +static void tns_data(ic_stream *ics, tns_info *tns, bitfile *ld); +#ifdef LTP_DEC +static uint8_t ltp_data(NeAACDecStruct *hDecoder, ic_stream *ics, ltp_info *ltp, bitfile *ld); +#endif +static uint8_t adts_fixed_header(adts_header *adts, bitfile *ld); +static void adts_variable_header(adts_header *adts, bitfile *ld); +static void adts_error_check(adts_header *adts, bitfile *ld); +static uint8_t dynamic_range_info(bitfile *ld, drc_info *drc); +static uint8_t excluded_channels(bitfile *ld, drc_info *drc); +static uint8_t side_info(NeAACDecStruct *hDecoder, element *ele, + bitfile *ld, ic_stream *ics, uint8_t scal_flag); +#ifdef DRM +static int8_t DRM_aac_scalable_main_header(NeAACDecStruct *hDecoder, ic_stream *ics1, ic_stream *ics2, + bitfile *ld, uint8_t this_layer_stereo); +#endif + + +/* Table 4.4.1 */ +int8_t GASpecificConfig(bitfile *ld, mp4AudioSpecificConfig *mp4ASC, + program_config *pce_out) +{ + program_config pce; + + /* 1024 or 960 */ + mp4ASC->frameLengthFlag = faad_get1bit(ld + DEBUGVAR(1, 138, "GASpecificConfig(): FrameLengthFlag")); +#ifndef ALLOW_SMALL_FRAMELENGTH + if (mp4ASC->frameLengthFlag == 1) { + return -3; + } +#endif + + mp4ASC->dependsOnCoreCoder = faad_get1bit(ld + DEBUGVAR(1, 139, "GASpecificConfig(): DependsOnCoreCoder")); + if (mp4ASC->dependsOnCoreCoder == 1) { + mp4ASC->coreCoderDelay = (uint16_t)faad_getbits(ld, 14 + DEBUGVAR(1, 140, "GASpecificConfig(): CoreCoderDelay")); + } + + mp4ASC->extensionFlag = faad_get1bit(ld DEBUGVAR(1, 141, "GASpecificConfig(): ExtensionFlag")); + if (mp4ASC->channelsConfiguration == 0) { + if (program_config_element(&pce, ld)) { + return -3; + } + //mp4ASC->channelsConfiguration = pce.channels; + + if (pce_out != NULL) { + memcpy(pce_out, &pce, sizeof(program_config)); + } + + /* + if (pce.num_valid_cc_elements) + return -3; + */ + } + +#ifdef ERROR_RESILIENCE + if (mp4ASC->extensionFlag == 1) { + /* Error resilience not supported yet */ + if (mp4ASC->objectTypeIndex >= ER_OBJECT_START) { + mp4ASC->aacSectionDataResilienceFlag = faad_get1bit(ld + DEBUGVAR(1, 144, "GASpecificConfig(): aacSectionDataResilienceFlag")); + mp4ASC->aacScalefactorDataResilienceFlag = faad_get1bit(ld + DEBUGVAR(1, 145, "GASpecificConfig(): aacScalefactorDataResilienceFlag")); + mp4ASC->aacSpectralDataResilienceFlag = faad_get1bit(ld + DEBUGVAR(1, 146, "GASpecificConfig(): aacSpectralDataResilienceFlag")); + } + /* 1 bit: extensionFlag3 */ + faad_getbits(ld, 1); + } +#endif + + return 0; +} + +/* Table 4.4.2 */ +/* An MPEG-4 Audio decoder is only required to follow the Program + Configuration Element in GASpecificConfig(). The decoder shall ignore + any Program Configuration Elements that may occur in raw data blocks. + PCEs transmitted in raw data blocks cannot be used to convey decoder + configuration information. +*/ +static uint8_t program_config_element(program_config *pce, bitfile *ld) +{ + uint8_t i; + + memset(pce, 0, sizeof(program_config)); + + pce->channels = 0; + + pce->element_instance_tag = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 10, "program_config_element(): element_instance_tag")); + + pce->object_type = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 11, "program_config_element(): object_type")); + pce->sf_index = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 12, "program_config_element(): sf_index")); + pce->num_front_channel_elements = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 13, "program_config_element(): num_front_channel_elements")); + pce->num_side_channel_elements = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 14, "program_config_element(): num_side_channel_elements")); + pce->num_back_channel_elements = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 15, "program_config_element(): num_back_channel_elements")); + pce->num_lfe_channel_elements = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 16, "program_config_element(): num_lfe_channel_elements")); + pce->num_assoc_data_elements = (uint8_t)faad_getbits(ld, 3 + DEBUGVAR(1, 17, "program_config_element(): num_assoc_data_elements")); + pce->num_valid_cc_elements = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 18, "program_config_element(): num_valid_cc_elements")); + + pce->mono_mixdown_present = faad_get1bit(ld + DEBUGVAR(1, 19, "program_config_element(): mono_mixdown_present")); + if (pce->mono_mixdown_present == 1) { + pce->mono_mixdown_element_number = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 20, "program_config_element(): mono_mixdown_element_number")); + } + + pce->stereo_mixdown_present = faad_get1bit(ld + DEBUGVAR(1, 21, "program_config_element(): stereo_mixdown_present")); + if (pce->stereo_mixdown_present == 1) { + pce->stereo_mixdown_element_number = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 22, "program_config_element(): stereo_mixdown_element_number")); + } + + pce->matrix_mixdown_idx_present = faad_get1bit(ld + DEBUGVAR(1, 23, "program_config_element(): matrix_mixdown_idx_present")); + if (pce->matrix_mixdown_idx_present == 1) { + pce->matrix_mixdown_idx = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 24, "program_config_element(): matrix_mixdown_idx")); + pce->pseudo_surround_enable = faad_get1bit(ld + DEBUGVAR(1, 25, "program_config_element(): pseudo_surround_enable")); + } + + for (i = 0; i < pce->num_front_channel_elements; i++) { + pce->front_element_is_cpe[i] = faad_get1bit(ld + DEBUGVAR(1, 26, "program_config_element(): front_element_is_cpe")); + pce->front_element_tag_select[i] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 27, "program_config_element(): front_element_tag_select")); + + if (pce->front_element_is_cpe[i] & 1) { + pce->cpe_channel[pce->front_element_tag_select[i]] = pce->channels; + pce->num_front_channels += 2; + pce->channels += 2; + } else { + pce->sce_channel[pce->front_element_tag_select[i]] = pce->channels; + pce->num_front_channels++; + pce->channels++; + } + } + + for (i = 0; i < pce->num_side_channel_elements; i++) { + pce->side_element_is_cpe[i] = faad_get1bit(ld + DEBUGVAR(1, 28, "program_config_element(): side_element_is_cpe")); + pce->side_element_tag_select[i] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 29, "program_config_element(): side_element_tag_select")); + + if (pce->side_element_is_cpe[i] & 1) { + pce->cpe_channel[pce->side_element_tag_select[i]] = pce->channels; + pce->num_side_channels += 2; + pce->channels += 2; + } else { + pce->sce_channel[pce->side_element_tag_select[i]] = pce->channels; + pce->num_side_channels++; + pce->channels++; + } + } + + for (i = 0; i < pce->num_back_channel_elements; i++) { + pce->back_element_is_cpe[i] = faad_get1bit(ld + DEBUGVAR(1, 30, "program_config_element(): back_element_is_cpe")); + pce->back_element_tag_select[i] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 31, "program_config_element(): back_element_tag_select")); + + if (pce->back_element_is_cpe[i] & 1) { + pce->cpe_channel[pce->back_element_tag_select[i]] = pce->channels; + pce->channels += 2; + pce->num_back_channels += 2; + } else { + pce->sce_channel[pce->back_element_tag_select[i]] = pce->channels; + pce->num_back_channels++; + pce->channels++; + } + } + + for (i = 0; i < pce->num_lfe_channel_elements; i++) { + pce->lfe_element_tag_select[i] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 32, "program_config_element(): lfe_element_tag_select")); + + pce->sce_channel[pce->lfe_element_tag_select[i]] = pce->channels; + pce->num_lfe_channels++; + pce->channels++; + } + + for (i = 0; i < pce->num_assoc_data_elements; i++) + pce->assoc_data_element_tag_select[i] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 33, "program_config_element(): assoc_data_element_tag_select")); + + for (i = 0; i < pce->num_valid_cc_elements; i++) { + pce->cc_element_is_ind_sw[i] = faad_get1bit(ld + DEBUGVAR(1, 34, "program_config_element(): cc_element_is_ind_sw")); + pce->valid_cc_element_tag_select[i] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 35, "program_config_element(): valid_cc_element_tag_select")); + } + + faad_byte_align(ld); + + pce->comment_field_bytes = (uint8_t)faad_getbits(ld, 8 + DEBUGVAR(1, 36, "program_config_element(): comment_field_bytes")); + + for (i = 0; i < pce->comment_field_bytes; i++) { + pce->comment_field_data[i] = (uint8_t)faad_getbits(ld, 8 + DEBUGVAR(1, 37, "program_config_element(): comment_field_data")); + } + pce->comment_field_data[i] = 0; + + if (pce->channels > MAX_CHANNELS) { + return 22; + } + + return 0; +} + +static void decode_sce_lfe(NeAACDecStruct *hDecoder, + NeAACDecFrameInfo *hInfo, bitfile *ld, + uint8_t id_syn_ele) +{ + uint8_t channels = hDecoder->fr_channels; + uint8_t tag = 0; + + if (channels + 1 > MAX_CHANNELS) { + hInfo->error = 12; + return; + } + if (hDecoder->fr_ch_ele + 1 > MAX_SYNTAX_ELEMENTS) { + hInfo->error = 13; + return; + } + + /* for SCE hDecoder->element_output_channels[] is not set here because this + can become 2 when some form of Parametric Stereo coding is used + */ + + /* save the syntax element id */ + hDecoder->element_id[hDecoder->fr_ch_ele] = id_syn_ele; + + /* decode the element */ + hInfo->error = single_lfe_channel_element(hDecoder, ld, channels, &tag); + + /* map output channels position to internal data channels */ + if (hDecoder->element_output_channels[hDecoder->fr_ch_ele] == 2) { + /* this might be faulty when pce_set is true */ + hDecoder->internal_channel[channels] = channels; + hDecoder->internal_channel[channels + 1] = channels + 1; + } else { + if (hDecoder->pce_set) { + hDecoder->internal_channel[hDecoder->pce.sce_channel[tag]] = channels; + } else { + hDecoder->internal_channel[channels] = channels; + } + } + + hDecoder->fr_channels += hDecoder->element_output_channels[hDecoder->fr_ch_ele]; + hDecoder->fr_ch_ele++; +} + +static void decode_cpe(NeAACDecStruct *hDecoder, NeAACDecFrameInfo *hInfo, bitfile *ld, + uint8_t id_syn_ele) +{ + uint8_t channels = hDecoder->fr_channels; + uint8_t tag = 0; + + if (channels + 2 > MAX_CHANNELS) { + hInfo->error = 12; + return; + } + if (hDecoder->fr_ch_ele + 1 > MAX_SYNTAX_ELEMENTS) { + hInfo->error = 13; + return; + } + + /* for CPE the number of output channels is always 2 */ + if (hDecoder->element_output_channels[hDecoder->fr_ch_ele] == 0) { + /* element_output_channels not set yet */ + hDecoder->element_output_channels[hDecoder->fr_ch_ele] = 2; + } else if (hDecoder->element_output_channels[hDecoder->fr_ch_ele] != 2) { + /* element inconsistency */ + hInfo->error = 21; + return; + } + + /* save the syntax element id */ + hDecoder->element_id[hDecoder->fr_ch_ele] = id_syn_ele; + + /* decode the element */ + hInfo->error = channel_pair_element(hDecoder, ld, channels, &tag); + + /* map output channel position to internal data channels */ + if (hDecoder->pce_set) { + hDecoder->internal_channel[hDecoder->pce.cpe_channel[tag]] = channels; + hDecoder->internal_channel[hDecoder->pce.cpe_channel[tag] + 1] = channels + 1; + } else { + hDecoder->internal_channel[channels] = channels; + hDecoder->internal_channel[channels + 1] = channels + 1; + } + + hDecoder->fr_channels += 2; + hDecoder->fr_ch_ele++; +} + +void raw_data_block(NeAACDecStruct *hDecoder, NeAACDecFrameInfo *hInfo, + bitfile *ld, program_config *pce, drc_info *drc) +{ + uint8_t id_syn_ele; + uint8_t ele_this_frame = 0; + + hDecoder->fr_channels = 0; + hDecoder->fr_ch_ele = 0; + hDecoder->first_syn_ele = 25; + hDecoder->has_lfe = 0; + +#ifdef ERROR_RESILIENCE + if (hDecoder->object_type < ER_OBJECT_START) { +#endif + /* Table 4.4.3: raw_data_block() */ + while ((id_syn_ele = (uint8_t)faad_getbits(ld, LEN_SE_ID + DEBUGVAR(1, 4, "NeAACDecDecode(): id_syn_ele"))) != ID_END) { + switch (id_syn_ele) { + case ID_SCE: + ele_this_frame++; + if (hDecoder->first_syn_ele == 25) { + hDecoder->first_syn_ele = id_syn_ele; + } + decode_sce_lfe(hDecoder, hInfo, ld, id_syn_ele); + if (hInfo->error > 0) { + return; + } + break; + case ID_CPE: + ele_this_frame++; + if (hDecoder->first_syn_ele == 25) { + hDecoder->first_syn_ele = id_syn_ele; + } + decode_cpe(hDecoder, hInfo, ld, id_syn_ele); + if (hInfo->error > 0) { + return; + } + break; + case ID_LFE: +#ifdef DRM + hInfo->error = 32; +#else + ele_this_frame++; + hDecoder->has_lfe++; + decode_sce_lfe(hDecoder, hInfo, ld, id_syn_ele); +#endif + if (hInfo->error > 0) { + return; + } + break; + case ID_CCE: /* not implemented yet, but skip the bits */ +#ifdef DRM + hInfo->error = 32; +#else + ele_this_frame++; +#ifdef COUPLING_DEC + hInfo->error = coupling_channel_element(hDecoder, ld); +#else + hInfo->error = 6; +#endif +#endif + if (hInfo->error > 0) { + return; + } + break; + case ID_DSE: + ele_this_frame++; + data_stream_element(hDecoder, ld); + break; + case ID_PCE: + if (ele_this_frame != 0) { + hInfo->error = 31; + return; + } + ele_this_frame++; + /* 14496-4: 5.6.4.1.2.1.3: */ + /* program_configuration_element()'s in access units shall be ignored */ + program_config_element(pce, ld); + //if ((hInfo->error = program_config_element(pce, ld)) > 0) + // return; + //hDecoder->pce_set = 1; + break; + case ID_FIL: + ele_this_frame++; + /* one sbr_info describes a channel_element not a channel! */ + /* if we encounter SBR data here: error */ + /* SBR data will be read directly in the SCE/LFE/CPE element */ + if ((hInfo->error = fill_element(hDecoder, ld, drc +#ifdef SBR_DEC + , INVALID_SBR_ELEMENT +#endif + )) > 0) { + return; + } + break; + } + } +#ifdef ERROR_RESILIENCE + } else { + /* Table 262: er_raw_data_block() */ + switch (hDecoder->channelConfiguration) { + case 1: + decode_sce_lfe(hDecoder, hInfo, ld, ID_SCE); + if (hInfo->error > 0) { + return; + } + break; + case 2: + decode_cpe(hDecoder, hInfo, ld, ID_CPE); + if (hInfo->error > 0) { + return; + } + break; + case 3: + decode_sce_lfe(hDecoder, hInfo, ld, ID_SCE); + decode_cpe(hDecoder, hInfo, ld, ID_CPE); + if (hInfo->error > 0) { + return; + } + break; + case 4: + decode_sce_lfe(hDecoder, hInfo, ld, ID_SCE); + decode_cpe(hDecoder, hInfo, ld, ID_CPE); + decode_sce_lfe(hDecoder, hInfo, ld, ID_SCE); + if (hInfo->error > 0) { + return; + } + break; + case 5: + decode_sce_lfe(hDecoder, hInfo, ld, ID_SCE); + decode_cpe(hDecoder, hInfo, ld, ID_CPE); + decode_cpe(hDecoder, hInfo, ld, ID_CPE); + if (hInfo->error > 0) { + return; + } + break; + case 6: + decode_sce_lfe(hDecoder, hInfo, ld, ID_SCE); + decode_cpe(hDecoder, hInfo, ld, ID_CPE); + decode_cpe(hDecoder, hInfo, ld, ID_CPE); + decode_sce_lfe(hDecoder, hInfo, ld, ID_LFE); + if (hInfo->error > 0) { + return; + } + break; + case 7: /* 8 channels */ + decode_sce_lfe(hDecoder, hInfo, ld, ID_SCE); + decode_cpe(hDecoder, hInfo, ld, ID_CPE); + decode_cpe(hDecoder, hInfo, ld, ID_CPE); + decode_cpe(hDecoder, hInfo, ld, ID_CPE); + decode_sce_lfe(hDecoder, hInfo, ld, ID_LFE); + if (hInfo->error > 0) { + return; + } + break; + default: + hInfo->error = 7; + return; + } +#if 0 + cnt = bits_to_decode() / 8; + while (cnt >= 1) { + cnt -= extension_payload(cnt); + } +#endif + } +#endif + + /* new in corrigendum 14496-3:2002 */ +#ifdef DRM + if (hDecoder->object_type != DRM_ER_LC +#if 0 + && !hDecoder->latm_header_present +#endif + ) +#endif + { + faad_byte_align(ld); + } + + return; +} + +/* Table 4.4.4 and */ +/* Table 4.4.9 */ +static uint8_t single_lfe_channel_element(NeAACDecStruct *hDecoder, bitfile *ld, + uint8_t channel, uint8_t *tag) +{ + uint8_t retval = 0; + element sce = {0}; + ic_stream *ics = &(sce.ics1); + ALIGN int16_t spec_data[1024] = {0}; + + sce.element_instance_tag = (uint8_t)faad_getbits(ld, LEN_TAG + DEBUGVAR(1, 38, "single_lfe_channel_element(): element_instance_tag")); + + *tag = sce.element_instance_tag; + sce.channel = channel; + sce.paired_channel = -1; + + retval = individual_channel_stream(hDecoder, &sce, ld, ics, 0, spec_data); + if (retval > 0) { + return retval; + } + + /* IS not allowed in single channel */ + if (ics->is_used) { + return 32; + } + +#ifdef SBR_DEC + /* check if next bitstream element is a fill element */ + /* if so, read it now so SBR decoding can be done in case of a file with SBR */ + if (faad_showbits(ld, LEN_SE_ID) == ID_FIL) { + faad_flushbits(ld, LEN_SE_ID); + + /* one sbr_info describes a channel_element not a channel! */ + if ((retval = fill_element(hDecoder, ld, hDecoder->drc, hDecoder->fr_ch_ele)) > 0) { + return retval; + } + } +#endif + + /* noiseless coding is done, spectral reconstruction is done now */ + retval = reconstruct_single_channel(hDecoder, ics, &sce, spec_data); + if (retval > 0) { + return retval; + } + + return 0; +} + +/* Table 4.4.5 */ +static uint8_t channel_pair_element(NeAACDecStruct *hDecoder, bitfile *ld, + uint8_t channels, uint8_t *tag) +{ + ALIGN int16_t spec_data1[1024] = {0}; + ALIGN int16_t spec_data2[1024] = {0}; + element cpe = {0}; + ic_stream *ics1 = &(cpe.ics1); + ic_stream *ics2 = &(cpe.ics2); + uint8_t result; + + cpe.channel = channels; + cpe.paired_channel = channels + 1; + + cpe.element_instance_tag = (uint8_t)faad_getbits(ld, LEN_TAG + DEBUGVAR(1, 39, "channel_pair_element(): element_instance_tag")); + *tag = cpe.element_instance_tag; + + if ((cpe.common_window = faad_get1bit(ld + DEBUGVAR(1, 40, "channel_pair_element(): common_window"))) & 1) { + /* both channels have common ics information */ + if ((result = ics_info(hDecoder, ics1, ld, cpe.common_window)) > 0) { + return result; + } + + ics1->ms_mask_present = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 41, "channel_pair_element(): ms_mask_present")); + if (ics1->ms_mask_present == 3) { + /* bitstream error */ + return 32; + } + if (ics1->ms_mask_present == 1) { + uint8_t g, sfb; + for (g = 0; g < ics1->num_window_groups; g++) { + for (sfb = 0; sfb < ics1->max_sfb; sfb++) { + ics1->ms_used[g][sfb] = faad_get1bit(ld + DEBUGVAR(1, 42, "channel_pair_element(): faad_get1bit")); + } + } + } + +#ifdef ERROR_RESILIENCE + if ((hDecoder->object_type >= ER_OBJECT_START) && (ics1->predictor_data_present)) { + if (( +#ifdef LTP_DEC + ics1->ltp.data_present = +#endif + faad_get1bit(ld DEBUGVAR(1, 50, "channel_pair_element(): ltp.data_present"))) & 1) { +#ifdef LTP_DEC + if ((result = ltp_data(hDecoder, ics1, &(ics1->ltp), ld)) > 0) { + return result; + } +#else + return 26; +#endif + } + } +#endif + + memcpy(ics2, ics1, sizeof(ic_stream)); + } else { + ics1->ms_mask_present = 0; + } + + if ((result = individual_channel_stream(hDecoder, &cpe, ld, ics1, + 0, spec_data1)) > 0) { + return result; + } + +#ifdef ERROR_RESILIENCE + if (cpe.common_window && (hDecoder->object_type >= ER_OBJECT_START) && + (ics1->predictor_data_present)) { + if (( +#ifdef LTP_DEC + ics1->ltp2.data_present = +#endif + faad_get1bit(ld DEBUGVAR(1, 50, "channel_pair_element(): ltp.data_present"))) & 1) { +#ifdef LTP_DEC + if ((result = ltp_data(hDecoder, ics1, &(ics1->ltp2), ld)) > 0) { + return result; + } +#else + return 26; +#endif + } + } +#endif + + if ((result = individual_channel_stream(hDecoder, &cpe, ld, ics2, + 0, spec_data2)) > 0) { + return result; + } + +#ifdef SBR_DEC + /* check if next bitstream element is a fill element */ + /* if so, read it now so SBR decoding can be done in case of a file with SBR */ + if (faad_showbits(ld, LEN_SE_ID) == ID_FIL) { + faad_flushbits(ld, LEN_SE_ID); + + /* one sbr_info describes a channel_element not a channel! */ + if ((result = fill_element(hDecoder, ld, hDecoder->drc, hDecoder->fr_ch_ele)) > 0) { + return result; + } + } +#endif + + /* noiseless coding is done, spectral reconstruction is done now */ + if ((result = reconstruct_channel_pair(hDecoder, ics1, ics2, &cpe, + spec_data1, spec_data2)) > 0) { + return result; + } + + return 0; +} + +/* Table 4.4.6 */ +static uint8_t ics_info(NeAACDecStruct *hDecoder, ic_stream *ics, bitfile *ld, + uint8_t common_window) +{ + uint8_t retval = 0; + uint8_t ics_reserved_bit; + + ics_reserved_bit = faad_get1bit(ld + DEBUGVAR(1, 43, "ics_info(): ics_reserved_bit")); + if (ics_reserved_bit != 0) { + return 32; + } + ics->window_sequence = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 44, "ics_info(): window_sequence")); + ics->window_shape = faad_get1bit(ld + DEBUGVAR(1, 45, "ics_info(): window_shape")); + +#ifdef LD_DEC + /* No block switching in LD */ + if ((hDecoder->object_type == LD) && (ics->window_sequence != ONLY_LONG_SEQUENCE)) { + return 32; + } +#endif + + if (ics->window_sequence == EIGHT_SHORT_SEQUENCE) { + ics->max_sfb = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 46, "ics_info(): max_sfb (short)")); + ics->scale_factor_grouping = (uint8_t)faad_getbits(ld, 7 + DEBUGVAR(1, 47, "ics_info(): scale_factor_grouping")); + } else { + ics->max_sfb = (uint8_t)faad_getbits(ld, 6 + DEBUGVAR(1, 48, "ics_info(): max_sfb (long)")); + } + + /* get the grouping information */ + if ((retval = window_grouping_info(hDecoder, ics)) > 0) { + return retval; + } + + + /* should be an error */ + /* check the range of max_sfb */ + if (ics->max_sfb > ics->num_swb) { + return 16; + } + + if (ics->window_sequence != EIGHT_SHORT_SEQUENCE) { + if ((ics->predictor_data_present = faad_get1bit(ld + DEBUGVAR(1, 49, "ics_info(): predictor_data_present"))) & 1) { + if (hDecoder->object_type == MAIN) { /* MPEG2 style AAC predictor */ + uint8_t sfb; + + uint8_t limit = min(ics->max_sfb, max_pred_sfb(hDecoder->sf_index)); +#ifdef MAIN_DEC + ics->pred.limit = limit; +#endif + + if (( +#ifdef MAIN_DEC + ics->pred.predictor_reset = +#endif + faad_get1bit(ld DEBUGVAR(1, 53, "ics_info(): pred.predictor_reset"))) & 1) { +#ifdef MAIN_DEC + ics->pred.predictor_reset_group_number = +#endif + (uint8_t)faad_getbits(ld, 5 DEBUGVAR(1, 54, "ics_info(): pred.predictor_reset_group_number")); + } + + for (sfb = 0; sfb < limit; sfb++) { +#ifdef MAIN_DEC + ics->pred.prediction_used[sfb] = +#endif + faad_get1bit(ld DEBUGVAR(1, 55, "ics_info(): pred.prediction_used")); + } + } +#ifdef LTP_DEC + else { /* Long Term Prediction */ + if (hDecoder->object_type < ER_OBJECT_START) { + if ((ics->ltp.data_present = faad_get1bit(ld + DEBUGVAR(1, 50, "ics_info(): ltp.data_present"))) & 1) { + if ((retval = ltp_data(hDecoder, ics, &(ics->ltp), ld)) > 0) { + return retval; + } + } + if (common_window) { + if ((ics->ltp2.data_present = faad_get1bit(ld + DEBUGVAR(1, 51, "ics_info(): ltp2.data_present"))) & 1) { + if ((retval = ltp_data(hDecoder, ics, &(ics->ltp2), ld)) > 0) { + return retval; + } + } + } + } +#ifdef ERROR_RESILIENCE + if (!common_window && (hDecoder->object_type >= ER_OBJECT_START)) { + if ((ics->ltp.data_present = faad_get1bit(ld + DEBUGVAR(1, 50, "ics_info(): ltp.data_present"))) & 1) { + ltp_data(hDecoder, ics, &(ics->ltp), ld); + } + } +#endif + } +#endif + } + } + + return retval; +} + +/* Table 4.4.7 */ +static uint8_t pulse_data(ic_stream *ics, pulse_info *pul, bitfile *ld) +{ + uint8_t i; + + pul->number_pulse = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 56, "pulse_data(): number_pulse")); + pul->pulse_start_sfb = (uint8_t)faad_getbits(ld, 6 + DEBUGVAR(1, 57, "pulse_data(): pulse_start_sfb")); + + /* check the range of pulse_start_sfb */ + if (pul->pulse_start_sfb > ics->num_swb) { + return 16; + } + + for (i = 0; i < pul->number_pulse + 1; i++) { + pul->pulse_offset[i] = (uint8_t)faad_getbits(ld, 5 + DEBUGVAR(1, 58, "pulse_data(): pulse_offset")); +#if 0 + printf("%d\n", pul->pulse_offset[i]); +#endif + pul->pulse_amp[i] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 59, "pulse_data(): pulse_amp")); +#if 0 + printf("%d\n", pul->pulse_amp[i]); +#endif + } + + return 0; +} + +#ifdef COUPLING_DEC +/* Table 4.4.8: Currently just for skipping the bits... */ +static uint8_t coupling_channel_element(NeAACDecStruct *hDecoder, bitfile *ld) +{ + uint8_t c, result = 0; + uint8_t ind_sw_cce_flag = 0; + uint8_t num_gain_element_lists = 0; + uint8_t num_coupled_elements = 0; + + element el_empty = {0}; + ic_stream ics_empty = {0}; + int16_t sh_data[1024]; + + c = faad_getbits(ld, LEN_TAG + DEBUGVAR(1, 900, "coupling_channel_element(): element_instance_tag")); + + ind_sw_cce_flag = faad_get1bit(ld + DEBUGVAR(1, 901, "coupling_channel_element(): ind_sw_cce_flag")); + num_coupled_elements = faad_getbits(ld, 3 + DEBUGVAR(1, 902, "coupling_channel_element(): num_coupled_elements")); + + for (c = 0; c < num_coupled_elements + 1; c++) { + uint8_t cc_target_is_cpe, cc_target_tag_select; + + num_gain_element_lists++; + + cc_target_is_cpe = faad_get1bit(ld + DEBUGVAR(1, 903, "coupling_channel_element(): cc_target_is_cpe")); + cc_target_tag_select = faad_getbits(ld, 4 + DEBUGVAR(1, 904, "coupling_channel_element(): cc_target_tag_select")); + + if (cc_target_is_cpe) { + uint8_t cc_l = faad_get1bit(ld + DEBUGVAR(1, 905, "coupling_channel_element(): cc_l")); + uint8_t cc_r = faad_get1bit(ld + DEBUGVAR(1, 906, "coupling_channel_element(): cc_r")); + + if (cc_l && cc_r) { + num_gain_element_lists++; + } + } + } + + faad_get1bit(ld + DEBUGVAR(1, 907, "coupling_channel_element(): cc_domain")); + faad_get1bit(ld + DEBUGVAR(1, 908, "coupling_channel_element(): gain_element_sign")); + faad_getbits(ld, 2 + DEBUGVAR(1, 909, "coupling_channel_element(): gain_element_scale")); + + if ((result = individual_channel_stream(hDecoder, &el_empty, ld, &ics_empty, + 0, sh_data)) > 0) { + return result; + } + + /* IS not allowed in single channel */ + if (ics->is_used) { + return 32; + } + + for (c = 1; c < num_gain_element_lists; c++) { + uint8_t cge; + + if (ind_sw_cce_flag) { + cge = 1; + } else { + cge = faad_get1bit(ld + DEBUGVAR(1, 910, "coupling_channel_element(): common_gain_element_present")); + } + + if (cge) { + huffman_scale_factor(ld); + } else { + uint8_t g, sfb; + + for (g = 0; g < ics_empty.num_window_groups; g++) { + for (sfb = 0; sfb < ics_empty.max_sfb; sfb++) { + if (ics_empty.sfb_cb[g][sfb] != ZERO_HCB) { + huffman_scale_factor(ld); + } + } + } + } + } + + return 0; +} +#endif + +/* Table 4.4.10 */ +static uint16_t data_stream_element(NeAACDecStruct *hDecoder, bitfile *ld) +{ + uint8_t byte_aligned; + uint16_t i, count; + + /* element_instance_tag = */ + faad_getbits(ld, LEN_TAG + DEBUGVAR(1, 60, "data_stream_element(): element_instance_tag")); + byte_aligned = faad_get1bit(ld + DEBUGVAR(1, 61, "data_stream_element(): byte_aligned")); + count = (uint16_t)faad_getbits(ld, 8 + DEBUGVAR(1, 62, "data_stream_element(): count")); + if (count == 255) { + count += (uint16_t)faad_getbits(ld, 8 + DEBUGVAR(1, 63, "data_stream_element(): extra count")); + } + if (byte_aligned) { + faad_byte_align(ld); + } + + for (i = 0; i < count; i++) { + faad_getbits(ld, LEN_BYTE + DEBUGVAR(1, 64, "data_stream_element(): data_stream_byte")); + } + + return count; +} + +/* Table 4.4.11 */ +static uint8_t fill_element(NeAACDecStruct *hDecoder, bitfile *ld, drc_info *drc +#ifdef SBR_DEC + , uint8_t sbr_ele +#endif + ) +{ + uint16_t count; +#ifdef SBR_DEC + uint8_t bs_extension_type; +#endif + + count = (uint16_t)faad_getbits(ld, 4 + DEBUGVAR(1, 65, "fill_element(): count")); + if (count == 15) { + count += (uint16_t)faad_getbits(ld, 8 + DEBUGVAR(1, 66, "fill_element(): extra count")) - 1; + } + + if (count > 0) { +#ifdef SBR_DEC + bs_extension_type = (uint8_t)faad_showbits(ld, 4); + + if ((bs_extension_type == EXT_SBR_DATA) || + (bs_extension_type == EXT_SBR_DATA_CRC)) { + if (sbr_ele == INVALID_SBR_ELEMENT) { + return 24; + } + + if (!hDecoder->sbr[sbr_ele]) { + hDecoder->sbr[sbr_ele] = sbrDecodeInit(hDecoder->frameLength, + hDecoder->element_id[sbr_ele], 2 * get_sample_rate(hDecoder->sf_index), + hDecoder->downSampledSBR +#ifdef DRM + , 0 +#endif + ); + } +#ifdef DISABLE_SBR + if (hDecoder->latm_header_present) { + unsigned cnt_1 = count << 3; + while (cnt_1 > 7) { + faad_getbits(ld, 8 + DEBUGVAR(1, 999, "sbr_bitstream(): num_align_bits")); + cnt_1 -= 8; + } + faad_getbits(ld, cnt_1); + return 0;// + } +#endif + hDecoder->sbr_present_flag = 1; + + /* parse the SBR data */ + hDecoder->sbr[sbr_ele]->ret = sbr_extension_data(ld, hDecoder->sbr[sbr_ele], count, + hDecoder->postSeekResetFlag); + +#if 0 + if (hDecoder->sbr[sbr_ele]->ret > 0) { + printf("%s\n", NeAACDecGetErrorMessage(hDecoder->sbr[sbr_ele]->ret)); + } +#endif + +#if (defined(PS_DEC) || defined(DRM_PS)) + if (hDecoder->sbr[sbr_ele]->ps_used) { + hDecoder->ps_used[sbr_ele] = 1; + + /* set element independent flag to 1 as well */ + hDecoder->ps_used_global = 1; + } +#endif + } else { +#endif +#ifndef DRM + while (count > 0) { + count -= extension_payload(ld, drc, count); + } +#else + return 30; +#endif +#ifdef SBR_DEC + } +#endif + } + + return 0; +} + +/* Table 4.4.12 */ +#ifdef SSR_DEC +static void gain_control_data(bitfile *ld, ic_stream *ics) +{ + uint8_t bd, wd, ad; + ssr_info *ssr = &(ics->ssr); + + ssr->max_band = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 1000, "gain_control_data(): max_band")); + + if (ics->window_sequence == ONLY_LONG_SEQUENCE) { + for (bd = 1; bd <= ssr->max_band; bd++) { + for (wd = 0; wd < 1; wd++) { + ssr->adjust_num[bd][wd] = (uint8_t)faad_getbits(ld, 3 + DEBUGVAR(1, 1001, "gain_control_data(): adjust_num")); + + for (ad = 0; ad < ssr->adjust_num[bd][wd]; ad++) { + ssr->alevcode[bd][wd][ad] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 1002, "gain_control_data(): alevcode")); + ssr->aloccode[bd][wd][ad] = (uint8_t)faad_getbits(ld, 5 + DEBUGVAR(1, 1003, "gain_control_data(): aloccode")); + } + } + } + } else if (ics->window_sequence == LONG_START_SEQUENCE) { + for (bd = 1; bd <= ssr->max_band; bd++) { + for (wd = 0; wd < 2; wd++) { + ssr->adjust_num[bd][wd] = (uint8_t)faad_getbits(ld, 3 + DEBUGVAR(1, 1001, "gain_control_data(): adjust_num")); + + for (ad = 0; ad < ssr->adjust_num[bd][wd]; ad++) { + ssr->alevcode[bd][wd][ad] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 1002, "gain_control_data(): alevcode")); + if (wd == 0) { + ssr->aloccode[bd][wd][ad] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 1003, "gain_control_data(): aloccode")); + } else { + ssr->aloccode[bd][wd][ad] = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 1003, "gain_control_data(): aloccode")); + } + } + } + } + } else if (ics->window_sequence == EIGHT_SHORT_SEQUENCE) { + for (bd = 1; bd <= ssr->max_band; bd++) { + for (wd = 0; wd < 8; wd++) { + ssr->adjust_num[bd][wd] = (uint8_t)faad_getbits(ld, 3 + DEBUGVAR(1, 1001, "gain_control_data(): adjust_num")); + + for (ad = 0; ad < ssr->adjust_num[bd][wd]; ad++) { + ssr->alevcode[bd][wd][ad] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 1002, "gain_control_data(): alevcode")); + ssr->aloccode[bd][wd][ad] = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 1003, "gain_control_data(): aloccode")); + } + } + } + } else if (ics->window_sequence == LONG_STOP_SEQUENCE) { + for (bd = 1; bd <= ssr->max_band; bd++) { + for (wd = 0; wd < 2; wd++) { + ssr->adjust_num[bd][wd] = (uint8_t)faad_getbits(ld, 3 + DEBUGVAR(1, 1001, "gain_control_data(): adjust_num")); + + for (ad = 0; ad < ssr->adjust_num[bd][wd]; ad++) { + ssr->alevcode[bd][wd][ad] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 1002, "gain_control_data(): alevcode")); + + if (wd == 0) { + ssr->aloccode[bd][wd][ad] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 1003, "gain_control_data(): aloccode")); + } else { + ssr->aloccode[bd][wd][ad] = (uint8_t)faad_getbits(ld, 5 + DEBUGVAR(1, 1003, "gain_control_data(): aloccode")); + } + } + } + } + } +} +#endif + +#ifdef DRM +/* Table 4.4.13 ASME */ +void DRM_aac_scalable_main_element(NeAACDecStruct *hDecoder, NeAACDecFrameInfo *hInfo, + bitfile *ld, program_config *pce, drc_info *drc) +{ + uint8_t retval = 0; + uint8_t channels = hDecoder->fr_channels = 0; + uint8_t ch; + uint8_t this_layer_stereo = (hDecoder->channelConfiguration > 1) ? 1 : 0; + element cpe = {0}; + ic_stream *ics1 = &(cpe.ics1); + ic_stream *ics2 = &(cpe.ics2); + int16_t *spec_data; + ALIGN int16_t spec_data1[1024] = {0}; + ALIGN int16_t spec_data2[1024] = {0}; + + hDecoder->fr_ch_ele = 0; + + hInfo->error = DRM_aac_scalable_main_header(hDecoder, ics1, ics2, ld, this_layer_stereo); + if (hInfo->error > 0) { + return; + } + + cpe.common_window = 1; + if (this_layer_stereo) { + hDecoder->element_id[0] = ID_CPE; + if (hDecoder->element_output_channels[hDecoder->fr_ch_ele] == 0) { + hDecoder->element_output_channels[hDecoder->fr_ch_ele] = 2; + } + } else { + hDecoder->element_id[0] = ID_SCE; + } + + if (this_layer_stereo) { + cpe.channel = 0; + cpe.paired_channel = 1; + } + + + /* Stereo2 / Mono1 */ + ics1->tns_data_present = faad_get1bit(ld); + +#if defined(LTP_DEC) + ics1->ltp.data_present = faad_get1bit(ld); +#elif defined (DRM) + if (faad_get1bit(ld)) { + hInfo->error = 26; + return; + } +#else + faad_get1bit(ld); +#endif + + hInfo->error = side_info(hDecoder, &cpe, ld, ics1, 1); + if (hInfo->error > 0) { + return; + } + if (this_layer_stereo) { + /* Stereo3 */ + ics2->tns_data_present = faad_get1bit(ld); +#ifdef LTP_DEC + ics1->ltp.data_present = +#endif + faad_get1bit(ld); + hInfo->error = side_info(hDecoder, &cpe, ld, ics2, 1); + if (hInfo->error > 0) { + return; + } + } + /* Stereo4 / Mono2 */ + if (ics1->tns_data_present) { + tns_data(ics1, &(ics1->tns), ld); + } + if (this_layer_stereo) { + /* Stereo5 */ + if (ics2->tns_data_present) { + tns_data(ics2, &(ics2->tns), ld); + } + } + +#ifdef DRM + /* CRC check */ + if (hDecoder->object_type == DRM_ER_LC) { + if ((hInfo->error = (uint8_t)faad_check_CRC(ld, (uint16_t)faad_get_processed_bits(ld) - 8)) > 0) { + return; + } + } +#endif + + /* Stereo6 / Mono3 */ + /* error resilient spectral data decoding */ + if ((hInfo->error = reordered_spectral_data(hDecoder, ics1, ld, spec_data1)) > 0) { + return; + } + if (this_layer_stereo) { + /* Stereo7 */ + /* error resilient spectral data decoding */ + if ((hInfo->error = reordered_spectral_data(hDecoder, ics2, ld, spec_data2)) > 0) { + return; + } + } + + +#ifdef DRM +#ifdef SBR_DEC + /* In case of DRM we need to read the SBR info before channel reconstruction */ + if ((hDecoder->sbr_present_flag == 1) && (hDecoder->object_type == DRM_ER_LC)) { + bitfile ld_sbr = {0}; + uint32_t i; + uint16_t count = 0; + uint8_t *revbuffer; + uint8_t *prevbufstart; + uint8_t *pbufend; + + /* all forward bitreading should be finished at this point */ + uint32_t bitsconsumed = faad_get_processed_bits(ld); + uint32_t buffer_size = faad_origbitbuffer_size(ld); + uint8_t *buffer = (uint8_t*)faad_origbitbuffer(ld); + + if (bitsconsumed + 8 > buffer_size * 8) { + hInfo->error = 14; + return; + } + + if (!hDecoder->sbr[0]) { + hDecoder->sbr[0] = sbrDecodeInit(hDecoder->frameLength, hDecoder->element_id[0], + 2 * get_sample_rate(hDecoder->sf_index), 0 /* ds SBR */, 1); + } + + /* Reverse bit reading of SBR data in DRM audio frame */ + revbuffer = (uint8_t*)faad_malloc(buffer_size * sizeof(uint8_t)); + prevbufstart = revbuffer; + pbufend = &buffer[buffer_size - 1]; + for (i = 0; i < buffer_size; i++) { + *prevbufstart++ = tabFlipbits[*pbufend--]; + } + + /* Set SBR data */ + /* consider 8 bits from AAC-CRC */ + /* SBR buffer size is original buffer size minus AAC buffer size */ + count = (uint16_t)bit2byte(buffer_size * 8 - bitsconsumed); + faad_initbits(&ld_sbr, revbuffer, count); + + hDecoder->sbr[0]->sample_rate = get_sample_rate(hDecoder->sf_index); + hDecoder->sbr[0]->sample_rate *= 2; + + faad_getbits(&ld_sbr, 8); /* Skip 8-bit CRC */ + + hDecoder->sbr[0]->ret = sbr_extension_data(&ld_sbr, hDecoder->sbr[0], count, hDecoder->postSeekResetFlag); +#if (defined(PS_DEC) || defined(DRM_PS)) + if (hDecoder->sbr[0]->ps_used) { + hDecoder->ps_used[0] = 1; + hDecoder->ps_used_global = 1; + } +#endif + + if (ld_sbr.error) { + hDecoder->sbr[0]->ret = 1; + } + + /* check CRC */ + /* no need to check it if there was already an error */ + if (hDecoder->sbr[0]->ret == 0) { + hDecoder->sbr[0]->ret = (uint8_t)faad_check_CRC(&ld_sbr, (uint16_t)faad_get_processed_bits(&ld_sbr) - 8); + } + + /* SBR data was corrupted, disable it until the next header */ + if (hDecoder->sbr[0]->ret != 0) { + hDecoder->sbr[0]->header_count = 0; + } + + faad_endbits(&ld_sbr); + + if (revbuffer) { + faad_free(revbuffer); + } + } +#endif +#endif + + if (this_layer_stereo) { + hInfo->error = reconstruct_channel_pair(hDecoder, ics1, ics2, &cpe, spec_data1, spec_data2); + if (hInfo->error > 0) { + return; + } + } else { + hInfo->error = reconstruct_single_channel(hDecoder, ics1, &cpe, spec_data1); + if (hInfo->error > 0) { + return; + } + } + + /* map output channels position to internal data channels */ + if (hDecoder->element_output_channels[hDecoder->fr_ch_ele] == 2) { + /* this might be faulty when pce_set is true */ + hDecoder->internal_channel[channels] = channels; + hDecoder->internal_channel[channels + 1] = channels + 1; + } else { + hDecoder->internal_channel[channels] = channels; + } + + hDecoder->fr_channels += hDecoder->element_output_channels[hDecoder->fr_ch_ele]; + hDecoder->fr_ch_ele++; + + return; +} + +/* Table 4.4.15 */ +static int8_t DRM_aac_scalable_main_header(NeAACDecStruct *hDecoder, ic_stream *ics1, ic_stream *ics2, + bitfile *ld, uint8_t this_layer_stereo) +{ + uint8_t retval = 0; + uint8_t ch; + ic_stream *ics; + uint8_t ics_reserved_bit; + + ics_reserved_bit = faad_get1bit(ld + DEBUGVAR(1, 300, "aac_scalable_main_header(): ics_reserved_bits")); + if (ics_reserved_bit != 0) { + return 32; + } + ics1->window_sequence = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 301, "aac_scalable_main_header(): window_sequence")); + ics1->window_shape = faad_get1bit(ld + DEBUGVAR(1, 302, "aac_scalable_main_header(): window_shape")); + + if (ics1->window_sequence == EIGHT_SHORT_SEQUENCE) { + ics1->max_sfb = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 303, "aac_scalable_main_header(): max_sfb (short)")); + ics1->scale_factor_grouping = (uint8_t)faad_getbits(ld, 7 + DEBUGVAR(1, 304, "aac_scalable_main_header(): scale_factor_grouping")); + } else { + ics1->max_sfb = (uint8_t)faad_getbits(ld, 6 + DEBUGVAR(1, 305, "aac_scalable_main_header(): max_sfb (long)")); + } + + /* get the grouping information */ + if ((retval = window_grouping_info(hDecoder, ics1)) > 0) { + return retval; + } + + /* should be an error */ + /* check the range of max_sfb */ + if (ics1->max_sfb > ics1->num_swb) { + return 16; + } + + if (this_layer_stereo) { + ics1->ms_mask_present = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 306, "aac_scalable_main_header(): ms_mask_present")); + if (ics1->ms_mask_present == 3) { + /* bitstream error */ + return 32; + } + if (ics1->ms_mask_present == 1) { + uint8_t g, sfb; + for (g = 0; g < ics1->num_window_groups; g++) { + for (sfb = 0; sfb < ics1->max_sfb; sfb++) { + ics1->ms_used[g][sfb] = faad_get1bit(ld + DEBUGVAR(1, 307, "aac_scalable_main_header(): faad_get1bit")); + } + } + } + + memcpy(ics2, ics1, sizeof(ic_stream)); + } else { + ics1->ms_mask_present = 0; + } + + return 0; +} +#endif + +static uint8_t side_info(NeAACDecStruct *hDecoder, element *ele, + bitfile *ld, ic_stream *ics, uint8_t scal_flag) +{ + uint8_t result; + + ics->global_gain = (uint8_t)faad_getbits(ld, 8 + DEBUGVAR(1, 67, "individual_channel_stream(): global_gain")); + + if (!ele->common_window && !scal_flag) { + if ((result = ics_info(hDecoder, ics, ld, ele->common_window)) > 0) { + return result; + } + } + + if ((result = section_data(hDecoder, ics, ld)) > 0) { + return result; + } + + if ((result = scale_factor_data(hDecoder, ics, ld)) > 0) { + return result; + } + + if (!scal_flag) { + /** + ** NOTE: It could be that pulse data is available in scalable AAC too, + ** as said in Amendment 1, this could be only the case for ER AAC, + ** though. (have to check this out later) + **/ + /* get pulse data */ + if ((ics->pulse_data_present = faad_get1bit(ld + DEBUGVAR(1, 68, "individual_channel_stream(): pulse_data_present"))) & 1) { + if ((result = pulse_data(ics, &(ics->pul), ld)) > 0) { + return result; + } + } + + /* get tns data */ + if ((ics->tns_data_present = faad_get1bit(ld + DEBUGVAR(1, 69, "individual_channel_stream(): tns_data_present"))) & 1) { +#ifdef ERROR_RESILIENCE + if (hDecoder->object_type < ER_OBJECT_START) +#endif + tns_data(ics, &(ics->tns), ld); + } + + /* get gain control data */ + if ((ics->gain_control_data_present = faad_get1bit(ld + DEBUGVAR(1, 70, "individual_channel_stream(): gain_control_data_present"))) & 1) { +#ifdef SSR_DEC + if (hDecoder->object_type != SSR) { + return 1; + } else { + gain_control_data(ld, ics); + } +#else + return 1; +#endif + } + } + +#ifdef ERROR_RESILIENCE + if (hDecoder->aacSpectralDataResilienceFlag) { + ics->length_of_reordered_spectral_data = (uint16_t)faad_getbits(ld, 14 + DEBUGVAR(1, 147, "individual_channel_stream(): length_of_reordered_spectral_data")); + + if (hDecoder->channelConfiguration == 2) { + if (ics->length_of_reordered_spectral_data > 6144) { + ics->length_of_reordered_spectral_data = 6144; + } + } else { + if (ics->length_of_reordered_spectral_data > 12288) { + ics->length_of_reordered_spectral_data = 12288; + } + } + + ics->length_of_longest_codeword = (uint8_t)faad_getbits(ld, 6 + DEBUGVAR(1, 148, "individual_channel_stream(): length_of_longest_codeword")); + if (ics->length_of_longest_codeword >= 49) { + ics->length_of_longest_codeword = 49; + } + } + + /* RVLC spectral data is put here */ + if (hDecoder->aacScalefactorDataResilienceFlag) { + if ((result = rvlc_decode_scale_factors(ics, ld)) > 0) { + return result; + } + } +#endif + + return 0; +} + +/* Table 4.4.24 */ +static uint8_t individual_channel_stream(NeAACDecStruct *hDecoder, element *ele, + bitfile *ld, ic_stream *ics, uint8_t scal_flag, + int16_t *spec_data) +{ + uint8_t result; + + result = side_info(hDecoder, ele, ld, ics, scal_flag); + if (result > 0) { + return result; + } + + if (hDecoder->object_type >= ER_OBJECT_START) { + if (ics->tns_data_present) { + tns_data(ics, &(ics->tns), ld); + } + } + +#ifdef DRM + /* CRC check */ + if (hDecoder->object_type == DRM_ER_LC) { + if ((result = (uint8_t)faad_check_CRC(ld, (uint16_t)faad_get_processed_bits(ld) - 8)) > 0) { + return result; + } + } +#endif + +#ifdef ERROR_RESILIENCE + if (hDecoder->aacSpectralDataResilienceFlag) { + /* error resilient spectral data decoding */ + if ((result = reordered_spectral_data(hDecoder, ics, ld, spec_data)) > 0) { + return result; + } + } else { +#endif + /* decode the spectral data */ + if ((result = spectral_data(hDecoder, ics, ld, spec_data)) > 0) { + return result; + } +#ifdef ERROR_RESILIENCE + } +#endif + + /* pulse coding reconstruction */ + if (ics->pulse_data_present) { + if (ics->window_sequence != EIGHT_SHORT_SEQUENCE) { + if ((result = pulse_decode(ics, spec_data, hDecoder->frameLength)) > 0) { + return result; + } + } else { + return 2; /* pulse coding not allowed for short blocks */ + } + } + + return 0; +} + +/* Table 4.4.25 */ +static uint8_t section_data(NeAACDecStruct *hDecoder, ic_stream *ics, bitfile *ld) +{ + uint8_t g; + uint8_t sect_esc_val, sect_bits; + + if (ics->window_sequence == EIGHT_SHORT_SEQUENCE) { + sect_bits = 3; + } else { + sect_bits = 5; + } + sect_esc_val = (1 << sect_bits) - 1; + +#if 0 + printf("\ntotal sfb %d\n", ics->max_sfb); + printf(" sect top cb\n"); +#endif + + for (g = 0; g < ics->num_window_groups; g++) { + uint8_t k = 0; + uint8_t i = 0; + + while (k < ics->max_sfb) { +#ifdef ERROR_RESILIENCE + uint8_t vcb11 = 0; +#endif + uint8_t sfb; + uint8_t sect_len_incr; + uint16_t sect_len = 0; + uint8_t sect_cb_bits = 4; + + /* if "faad_getbits" detects error and returns "0", "k" is never + incremented and we cannot leave the while loop */ + if (ld->error != 0) { + return 14; + } + +#ifdef ERROR_RESILIENCE + if (hDecoder->aacSectionDataResilienceFlag) { + sect_cb_bits = 5; + } +#endif + + ics->sect_cb[g][i] = (uint8_t)faad_getbits(ld, sect_cb_bits + DEBUGVAR(1, 71, "section_data(): sect_cb")); + + if (ics->sect_cb[g][i] == 12) { + return 32; + } + +#if 0 + printf("%d\n", ics->sect_cb[g][i]); +#endif + +#ifndef DRM + if (ics->sect_cb[g][i] == NOISE_HCB) { + ics->noise_used = 1; + } +#else + /* PNS not allowed in DRM */ + if (ics->sect_cb[g][i] == NOISE_HCB) { + return 29; + } +#endif + if (ics->sect_cb[g][i] == INTENSITY_HCB2 || ics->sect_cb[g][i] == INTENSITY_HCB) { + ics->is_used = 1; + } + +#ifdef ERROR_RESILIENCE + if (hDecoder->aacSectionDataResilienceFlag) { + if ((ics->sect_cb[g][i] == 11) || + ((ics->sect_cb[g][i] >= 16) && (ics->sect_cb[g][i] <= 32))) { + vcb11 = 1; + } + } + if (vcb11) { + sect_len_incr = 1; + } else { +#endif + sect_len_incr = (uint8_t)faad_getbits(ld, sect_bits + DEBUGVAR(1, 72, "section_data(): sect_len_incr")); +#ifdef ERROR_RESILIENCE + } +#endif + while ((sect_len_incr == sect_esc_val) /* && + (k+sect_len < ics->max_sfb)*/) { + sect_len += sect_len_incr; + sect_len_incr = (uint8_t)faad_getbits(ld, sect_bits + DEBUGVAR(1, 72, "section_data(): sect_len_incr")); + } + + sect_len += sect_len_incr; + + ics->sect_start[g][i] = k; + ics->sect_end[g][i] = k + sect_len; + +#if 0 + printf("%d\n", ics->sect_start[g][i]); +#endif +#if 0 + printf("%d\n", ics->sect_end[g][i]); +#endif + + if (ics->window_sequence == EIGHT_SHORT_SEQUENCE) { + if (k + sect_len > 8 * 15) { + return 15; + } + if (i >= 8 * 15) { + return 15; + } + } else { + if (k + sect_len > MAX_SFB) { + return 15; + } + if (i >= MAX_SFB) { + return 15; + } + } + + for (sfb = k; sfb < k + sect_len; sfb++) { + ics->sfb_cb[g][sfb] = ics->sect_cb[g][i]; +#if 0 + printf("%d\n", ics->sfb_cb[g][sfb]); +#endif + } + +#if 0 + printf(" %6d %6d %6d\n", + i, + ics->sect_end[g][i], + ics->sect_cb[g][i]); +#endif + + k += sect_len; + i++; + } + ics->num_sec[g] = i; + + /* the sum of all sect_len_incr elements for a given window + * group shall equal max_sfb */ + if (k != ics->max_sfb) { + return 32; + } +#if 0 + printf("%d\n", ics->num_sec[g]); +#endif + } + +#if 0 + printf("\n"); +#endif + + return 0; +} + +/* + * decode_scale_factors() + * decodes the scalefactors from the bitstream + */ +/* + * All scalefactors (and also the stereo positions and pns energies) are + * transmitted using Huffman coded DPCM relative to the previous active + * scalefactor (respectively previous stereo position or previous pns energy, + * see subclause 4.6.2 and 4.6.3). The first active scalefactor is + * differentially coded relative to the global gain. + */ +static uint8_t decode_scale_factors(ic_stream *ics, bitfile *ld) +{ + uint8_t g, sfb; + int16_t t; + int8_t noise_pcm_flag = 1; + + int16_t scale_factor = ics->global_gain; + int16_t is_position = 0; + int16_t noise_energy = ics->global_gain - 90; + + for (g = 0; g < ics->num_window_groups; g++) { + for (sfb = 0; sfb < ics->max_sfb; sfb++) { + switch (ics->sfb_cb[g][sfb]) { + case ZERO_HCB: /* zero book */ + ics->scale_factors[g][sfb] = 0; + //#define SF_PRINT +#ifdef SF_PRINT + printf("%d\n", ics->scale_factors[g][sfb]); +#endif + break; + case INTENSITY_HCB: /* intensity books */ + case INTENSITY_HCB2: + + /* decode intensity position */ + t = huffman_scale_factor(ld); + is_position += (t - 60); + ics->scale_factors[g][sfb] = is_position; +#ifdef SF_PRINT + printf("%d\n", ics->scale_factors[g][sfb]); +#endif + + break; + case NOISE_HCB: /* noise books */ + +#ifndef DRM + /* decode noise energy */ + if (noise_pcm_flag) { + noise_pcm_flag = 0; + t = (int16_t)faad_getbits(ld, 9 + DEBUGVAR(1, 73, "scale_factor_data(): first noise")) - 256; + } else { + t = huffman_scale_factor(ld); + t -= 60; + } + noise_energy += t; + ics->scale_factors[g][sfb] = noise_energy; +#ifdef SF_PRINT + printf("%d\n", ics->scale_factors[g][sfb]); +#endif +#else + /* PNS not allowed in DRM */ + return 29; +#endif + + break; + default: /* spectral books */ + + /* ics->scale_factors[g][sfb] must be between 0 and 255 */ + + ics->scale_factors[g][sfb] = 0; + + /* decode scale factor */ + t = huffman_scale_factor(ld); + scale_factor += (t - 60); + if (scale_factor < 0 || scale_factor > 255) { + return 4; + } + ics->scale_factors[g][sfb] = scale_factor; +#ifdef SF_PRINT + printf("%d\n", ics->scale_factors[g][sfb]); +#endif + + break; + } + } + } + + return 0; +} + +/* Table 4.4.26 */ +static uint8_t scale_factor_data(NeAACDecStruct *hDecoder, ic_stream *ics, bitfile *ld) +{ + uint8_t ret = 0; +#ifdef PROFILE + int64_t count = faad_get_ts(); +#endif + +#ifdef ERROR_RESILIENCE + if (!hDecoder->aacScalefactorDataResilienceFlag) { +#endif + ret = decode_scale_factors(ics, ld); +#ifdef ERROR_RESILIENCE + } else { + /* In ER AAC the parameters for RVLC are seperated from the actual + data that holds the scale_factors. + Strangely enough, 2 parameters for HCR are put inbetween them. + */ + ret = rvlc_scale_factor_data(ics, ld); + } +#endif + +#ifdef PROFILE + count = faad_get_ts() - count; + hDecoder->scalefac_cycles += count; +#endif + + return ret; +} + +/* Table 4.4.27 */ +static void tns_data(ic_stream *ics, tns_info *tns, bitfile *ld) +{ + uint8_t w, filt, i, start_coef_bits, coef_bits; + uint8_t n_filt_bits = 2; + uint8_t length_bits = 6; + uint8_t order_bits = 5; + + if (ics->window_sequence == EIGHT_SHORT_SEQUENCE) { + n_filt_bits = 1; + length_bits = 4; + order_bits = 3; + } + + for (w = 0; w < ics->num_windows; w++) { + tns->n_filt[w] = (uint8_t)faad_getbits(ld, n_filt_bits + DEBUGVAR(1, 74, "tns_data(): n_filt")); +#if 0 + printf("%d\n", tns->n_filt[w]); +#endif + + if (tns->n_filt[w]) { + if ((tns->coef_res[w] = faad_get1bit(ld + DEBUGVAR(1, 75, "tns_data(): coef_res"))) & 1) { + start_coef_bits = 4; + } else { + start_coef_bits = 3; + } +#if 0 + printf("%d\n", tns->coef_res[w]); +#endif + } + + for (filt = 0; filt < tns->n_filt[w]; filt++) { + tns->length[w][filt] = (uint8_t)faad_getbits(ld, length_bits + DEBUGVAR(1, 76, "tns_data(): length")); +#if 0 + printf("%d\n", tns->length[w][filt]); +#endif + tns->order[w][filt] = (uint8_t)faad_getbits(ld, order_bits + DEBUGVAR(1, 77, "tns_data(): order")); +#if 0 + printf("%d\n", tns->order[w][filt]); +#endif + if (tns->order[w][filt]) { + tns->direction[w][filt] = faad_get1bit(ld + DEBUGVAR(1, 78, "tns_data(): direction")); +#if 0 + printf("%d\n", tns->direction[w][filt]); +#endif + tns->coef_compress[w][filt] = faad_get1bit(ld + DEBUGVAR(1, 79, "tns_data(): coef_compress")); +#if 0 + printf("%d\n", tns->coef_compress[w][filt]); +#endif + + coef_bits = start_coef_bits - tns->coef_compress[w][filt]; + for (i = 0; i < tns->order[w][filt]; i++) { + tns->coef[w][filt][i] = (uint8_t)faad_getbits(ld, coef_bits + DEBUGVAR(1, 80, "tns_data(): coef")); +#if 0 + printf("%d\n", tns->coef[w][filt][i]); +#endif + } + } + } + } +} + +#ifdef LTP_DEC +/* Table 4.4.28 */ +static uint8_t ltp_data(NeAACDecStruct *hDecoder, ic_stream *ics, ltp_info *ltp, bitfile *ld) +{ + uint8_t sfb, w; + + ltp->lag = 0; + +#ifdef LD_DEC + if (hDecoder->object_type == LD) { + ltp->lag_update = (uint8_t)faad_getbits(ld, 1 + DEBUGVAR(1, 142, "ltp_data(): lag_update")); + + if (ltp->lag_update) { + ltp->lag = (uint16_t)faad_getbits(ld, 10 + DEBUGVAR(1, 81, "ltp_data(): lag")); + } + } else { +#endif + ltp->lag = (uint16_t)faad_getbits(ld, 11 + DEBUGVAR(1, 81, "ltp_data(): lag")); +#ifdef LD_DEC + } +#endif + + /* Check length of lag */ + if (ltp->lag > (hDecoder->frameLength << 1)) { + return 18; + } + + ltp->coef = (uint8_t)faad_getbits(ld, 3 + DEBUGVAR(1, 82, "ltp_data(): coef")); + + if (ics->window_sequence == EIGHT_SHORT_SEQUENCE) { + for (w = 0; w < ics->num_windows; w++) { + if ((ltp->short_used[w] = faad_get1bit(ld + DEBUGVAR(1, 83, "ltp_data(): short_used"))) & 1) { + ltp->short_lag_present[w] = faad_get1bit(ld + DEBUGVAR(1, 84, "ltp_data(): short_lag_present")); + if (ltp->short_lag_present[w]) { + ltp->short_lag[w] = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 85, "ltp_data(): short_lag")); + } + } + } + } else { + ltp->last_band = (ics->max_sfb < MAX_LTP_SFB ? ics->max_sfb : MAX_LTP_SFB); + + for (sfb = 0; sfb < ltp->last_band; sfb++) { + ltp->long_used[sfb] = faad_get1bit(ld + DEBUGVAR(1, 86, "ltp_data(): long_used")); + } + } + + return 0; +} +#endif + +/* Table 4.4.29 */ +static uint8_t spectral_data(NeAACDecStruct *hDecoder, ic_stream *ics, bitfile *ld, + int16_t *spectral_data) +{ + int8_t i; + uint8_t g; + uint16_t inc, k, p = 0; + uint8_t groups = 0; + uint8_t sect_cb; + uint8_t result; + uint16_t nshort = hDecoder->frameLength / 8; + +#ifdef PROFILE + int64_t count = faad_get_ts(); +#endif + + for (g = 0; g < ics->num_window_groups; g++) { + p = groups * nshort; + + for (i = 0; i < ics->num_sec[g]; i++) { + sect_cb = ics->sect_cb[g][i]; + + inc = (sect_cb >= FIRST_PAIR_HCB) ? 2 : 4; + + switch (sect_cb) { + case ZERO_HCB: + case NOISE_HCB: + case INTENSITY_HCB: + case INTENSITY_HCB2: + //#define SD_PRINT +#ifdef SD_PRINT + { + int j; + for (j = ics->sect_sfb_offset[g][ics->sect_start[g][i]]; j < ics->sect_sfb_offset[g][ics->sect_end[g][i]]; j++) { + printf("%d\n", 0); + } + } +#endif + //#define SFBO_PRINT +#ifdef SFBO_PRINT + printf("%d\n", ics->sect_sfb_offset[g][ics->sect_start[g][i]]); +#endif + p += (ics->sect_sfb_offset[g][ics->sect_end[g][i]] - + ics->sect_sfb_offset[g][ics->sect_start[g][i]]); + break; + default: +#ifdef SFBO_PRINT + printf("%d\n", ics->sect_sfb_offset[g][ics->sect_start[g][i]]); +#endif + for (k = ics->sect_sfb_offset[g][ics->sect_start[g][i]]; + k < ics->sect_sfb_offset[g][ics->sect_end[g][i]]; k += inc) { + if ((result = huffman_spectral_data(sect_cb, ld, &spectral_data[p])) > 0) { + return result; + } +#ifdef SD_PRINT + { + int j; + for (j = p; j < p + inc; j++) { + printf("%d\n", spectral_data[j]); + } + } +#endif + p += inc; + } + break; + } + } + groups += ics->window_group_length[g]; + } + +#ifdef PROFILE + count = faad_get_ts() - count; + hDecoder->spectral_cycles += count; +#endif + + return 0; +} + +/* Table 4.4.30 */ +static uint16_t extension_payload(bitfile *ld, drc_info *drc, uint16_t count) +{ + uint16_t i, n, dataElementLength; + uint8_t dataElementLengthPart; + uint8_t align = 4, data_element_version, loopCounter; + + uint8_t extension_type = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 87, "extension_payload(): extension_type")); + + switch (extension_type) { + case EXT_DYNAMIC_RANGE: + drc->present = 1; + n = dynamic_range_info(ld, drc); + return n; + case EXT_FILL_DATA: + /* fill_nibble = */ + faad_getbits(ld, 4 + DEBUGVAR(1, 136, "extension_payload(): fill_nibble")); /* must be 0000 */ + for (i = 0; i < count - 1; i++) { + /* fill_byte[i] = */ faad_getbits(ld, 8 + DEBUGVAR(1, 88, "extension_payload(): fill_byte")); /* must be 10100101 */ + } + return count; + case EXT_DATA_ELEMENT: + data_element_version = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 400, "extension_payload(): data_element_version")); + switch (data_element_version) { + case ANC_DATA: + loopCounter = 0; + dataElementLength = 0; + do { + dataElementLengthPart = (uint8_t)faad_getbits(ld, 8 + DEBUGVAR(1, 401, "extension_payload(): dataElementLengthPart")); + dataElementLength += dataElementLengthPart; + loopCounter++; + } while (dataElementLengthPart == 255); + + for (i = 0; i < dataElementLength; i++) { + /* data_element_byte[i] = */ faad_getbits(ld, 8 + DEBUGVAR(1, 402, "extension_payload(): data_element_byte")); + return (dataElementLength + loopCounter + 1); + } + default: + align = 0; + } + case EXT_FIL: + default: + faad_getbits(ld, align + DEBUGVAR(1, 88, "extension_payload(): fill_nibble")); + for (i = 0; i < count - 1; i++) { + /* other_bits[i] = */ faad_getbits(ld, 8 + DEBUGVAR(1, 89, "extension_payload(): fill_bit")); + } + return count; + } +} + +/* Table 4.4.31 */ +static uint8_t dynamic_range_info(bitfile *ld, drc_info *drc) +{ + uint8_t i, n = 1; + uint8_t band_incr; + + drc->num_bands = 1; + + if (faad_get1bit(ld + DEBUGVAR(1, 90, "dynamic_range_info(): has instance_tag")) & 1) { + drc->pce_instance_tag = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 91, "dynamic_range_info(): pce_instance_tag")); + /* drc->drc_tag_reserved_bits = */ + faad_getbits(ld, 4 + DEBUGVAR(1, 92, "dynamic_range_info(): drc_tag_reserved_bits")); + n++; + } + + drc->excluded_chns_present = faad_get1bit(ld + DEBUGVAR(1, 93, "dynamic_range_info(): excluded_chns_present")); + if (drc->excluded_chns_present == 1) { + n += excluded_channels(ld, drc); + } + + if (faad_get1bit(ld + DEBUGVAR(1, 94, "dynamic_range_info(): has bands data")) & 1) { + band_incr = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 95, "dynamic_range_info(): band_incr")); + /* drc->drc_bands_reserved_bits = */ + faad_getbits(ld, 4 + DEBUGVAR(1, 96, "dynamic_range_info(): drc_bands_reserved_bits")); + n++; + drc->num_bands += band_incr; + + for (i = 0; i < drc->num_bands; i++) { + drc->band_top[i] = (uint8_t)faad_getbits(ld, 8 + DEBUGVAR(1, 97, "dynamic_range_info(): band_top")); + n++; + } + } + + if (faad_get1bit(ld + DEBUGVAR(1, 98, "dynamic_range_info(): has prog_ref_level")) & 1) { + drc->prog_ref_level = (uint8_t)faad_getbits(ld, 7 + DEBUGVAR(1, 99, "dynamic_range_info(): prog_ref_level")); + /* drc->prog_ref_level_reserved_bits = */ + faad_get1bit(ld + DEBUGVAR(1, 100, "dynamic_range_info(): prog_ref_level_reserved_bits")); + n++; + } + + for (i = 0; i < drc->num_bands; i++) { + drc->dyn_rng_sgn[i] = faad_get1bit(ld + DEBUGVAR(1, 101, "dynamic_range_info(): dyn_rng_sgn")); + drc->dyn_rng_ctl[i] = (uint8_t)faad_getbits(ld, 7 + DEBUGVAR(1, 102, "dynamic_range_info(): dyn_rng_ctl")); + n++; + } + + return n; +} + +/* Table 4.4.32 */ +static uint8_t excluded_channels(bitfile *ld, drc_info *drc) +{ + uint8_t i, n = 0; + uint8_t num_excl_chan = 7; + + for (i = 0; i < 7; i++) { + drc->exclude_mask[i] = faad_get1bit(ld + DEBUGVAR(1, 103, "excluded_channels(): exclude_mask")); + } + n++; + + while ((drc->additional_excluded_chns[n - 1] = faad_get1bit(ld + DEBUGVAR(1, 104, "excluded_channels(): additional_excluded_chns"))) == 1) { + for (i = num_excl_chan; i < num_excl_chan + 7; i++) { + drc->exclude_mask[i] = faad_get1bit(ld + DEBUGVAR(1, 105, "excluded_channels(): exclude_mask")); + } + n++; + num_excl_chan += 7; + } + + return n; +} + +/* Annex A: Audio Interchange Formats */ + +/* Table 1.A.2 */ +void get_adif_header(adif_header *adif, bitfile *ld) +{ + uint8_t i; + + /* adif_id[0] = */ + faad_getbits(ld, 8 + DEBUGVAR(1, 106, "get_adif_header(): adif_id[0]")); + /* adif_id[1] = */ + faad_getbits(ld, 8 + DEBUGVAR(1, 107, "get_adif_header(): adif_id[1]")); + /* adif_id[2] = */ + faad_getbits(ld, 8 + DEBUGVAR(1, 108, "get_adif_header(): adif_id[2]")); + /* adif_id[3] = */ + faad_getbits(ld, 8 + DEBUGVAR(1, 109, "get_adif_header(): adif_id[3]")); + adif->copyright_id_present = faad_get1bit(ld + DEBUGVAR(1, 110, "get_adif_header(): copyright_id_present")); + if (adif->copyright_id_present) { + for (i = 0; i < 72 / 8; i++) { + adif->copyright_id[i] = (int8_t)faad_getbits(ld, 8 + DEBUGVAR(1, 111, "get_adif_header(): copyright_id")); + } + adif->copyright_id[i] = 0; + } + adif->original_copy = faad_get1bit(ld + DEBUGVAR(1, 112, "get_adif_header(): original_copy")); + adif->home = faad_get1bit(ld + DEBUGVAR(1, 113, "get_adif_header(): home")); + adif->bitstream_type = faad_get1bit(ld + DEBUGVAR(1, 114, "get_adif_header(): bitstream_type")); + adif->bitrate = faad_getbits(ld, 23 + DEBUGVAR(1, 115, "get_adif_header(): bitrate")); + adif->num_program_config_elements = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 116, "get_adif_header(): num_program_config_elements")); + + for (i = 0; i < adif->num_program_config_elements + 1; i++) { + if (adif->bitstream_type == 0) { + adif->adif_buffer_fullness = faad_getbits(ld, 20 + DEBUGVAR(1, 117, "get_adif_header(): adif_buffer_fullness")); + } else { + adif->adif_buffer_fullness = 0; + } + + program_config_element(&adif->pce[i], ld); + } +} + +/* Table 1.A.5 */ +uint8_t adts_frame(adts_header *adts, bitfile *ld) +{ + /* faad_byte_align(ld); */ + if (adts_fixed_header(adts, ld)) { + return 5; + } + adts_variable_header(adts, ld); + adts_error_check(adts, ld); + + return 0; +} + +/* Table 1.A.6 */ +static uint8_t adts_fixed_header(adts_header *adts, bitfile *ld) +{ + uint16_t i; + uint8_t sync_err = 1; + + /* try to recover from sync errors */ + for (i = 0; i < 768; i++) { + adts->syncword = (uint16_t)faad_showbits(ld, 12); + if (adts->syncword != 0xFFF) { + faad_getbits(ld, 8 + DEBUGVAR(0, 0, "")); + } else { + sync_err = 0; + faad_getbits(ld, 12 + DEBUGVAR(1, 118, "adts_fixed_header(): syncword")); + break; + } + } + if (sync_err) { + return 5; + } + + adts->id = faad_get1bit(ld + DEBUGVAR(1, 119, "adts_fixed_header(): id")); + adts->layer = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 120, "adts_fixed_header(): layer")); + adts->protection_absent = faad_get1bit(ld + DEBUGVAR(1, 121, "adts_fixed_header(): protection_absent")); + adts->profile = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 122, "adts_fixed_header(): profile")); + adts->sf_index = (uint8_t)faad_getbits(ld, 4 + DEBUGVAR(1, 123, "adts_fixed_header(): sf_index")); + adts->private_bit = faad_get1bit(ld + DEBUGVAR(1, 124, "adts_fixed_header(): private_bit")); + adts->channel_configuration = (uint8_t)faad_getbits(ld, 3 + DEBUGVAR(1, 125, "adts_fixed_header(): channel_configuration")); + adts->original = faad_get1bit(ld + DEBUGVAR(1, 126, "adts_fixed_header(): original")); + adts->home = faad_get1bit(ld + DEBUGVAR(1, 127, "adts_fixed_header(): home")); + + if (adts->old_format == 1) { + /* Removed in corrigendum 14496-3:2002 */ + if (adts->id == 0) { + adts->emphasis = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 128, "adts_fixed_header(): emphasis")); + } + } + + return 0; +} + +/* Table 1.A.7 */ +static void adts_variable_header(adts_header *adts, bitfile *ld) +{ + adts->copyright_identification_bit = faad_get1bit(ld + DEBUGVAR(1, 129, "adts_variable_header(): copyright_identification_bit")); + adts->copyright_identification_start = faad_get1bit(ld + DEBUGVAR(1, 130, "adts_variable_header(): copyright_identification_start")); + adts->aac_frame_length = (uint16_t)faad_getbits(ld, 13 + DEBUGVAR(1, 131, "adts_variable_header(): aac_frame_length")); + adts->adts_buffer_fullness = (uint16_t)faad_getbits(ld, 11 + DEBUGVAR(1, 132, "adts_variable_header(): adts_buffer_fullness")); + adts->no_raw_data_blocks_in_frame = (uint8_t)faad_getbits(ld, 2 + DEBUGVAR(1, 133, "adts_variable_header(): no_raw_data_blocks_in_frame")); +} + +/* Table 1.A.8 */ +static void adts_error_check(adts_header *adts, bitfile *ld) +{ + if (adts->protection_absent == 0) { + adts->crc_check = (uint16_t)faad_getbits(ld, 16 + DEBUGVAR(1, 134, "adts_error_check(): crc_check")); + } +} + +/* LATM parsing functions */ + +static uint32_t latm_get_value(bitfile *ld) +{ + uint32_t l, value; + uint8_t bytesForValue; + + bytesForValue = (uint8_t)faad_getbits(ld, 2); + value = 0; + for (l = 0; l < bytesForValue; l++) { + value = (value << 8) | (uint8_t)faad_getbits(ld, 8); + } + + return value; +} + + +static uint32_t latmParsePayload(latm_header *latm, bitfile *ld) +{ + //assuming there's only one program with a single layer and 1 subFrame, + //allStreamsSametimeframing is set, + uint32_t framelen; + uint8_t tmp; + + //this should be the payload length field for the current configuration + framelen = 0; + if (latm->framelen_type == 0) { + do { + tmp = (uint8_t)faad_getbits(ld, 8); + framelen += tmp; + } while (tmp == 0xff); + } else if (latm->framelen_type == 1) { + framelen = latm->frameLength; + } + + return framelen; +} + + +static uint32_t latmAudioMuxElement(latm_header *latm, bitfile *ld) +{ + uint32_t ascLen, asc_bits = 0; + uint32_t x1, y1, m, n, i; + program_config pce; + mp4AudioSpecificConfig mp4ASC; + + latm->useSameStreamMux = (uint8_t)faad_getbits(ld, 1); + if (!latm->useSameStreamMux) { + //parseSameStreamMuxConfig + latm->version = (uint8_t) faad_getbits(ld, 1); + if (latm->version) { + latm->versionA = (uint8_t) faad_getbits(ld, 1); + } + if (latm->versionA) { + //dunno the payload format for versionA + fprintf(stderr, "versionA not supported\n"); + return 0; + } + if (latm->version) { //read taraBufferFullness + latm_get_value(ld); + } + latm->allStreamsSameTimeFraming = (uint8_t)faad_getbits(ld, 1); + latm->numSubFrames = (uint8_t)faad_getbits(ld, 6) + 1; + latm->numPrograms = (uint8_t)faad_getbits(ld, 4) + 1; + latm->numLayers = faad_getbits(ld, 3) + 1; + if (latm->numPrograms > 1 || !latm->allStreamsSameTimeFraming || latm->numSubFrames > 1 || latm->numLayers > 1) { + fprintf(stderr, "\r\nUnsupported LATM configuration: %d programs/ %d subframes, %d layers, allstreams: %d\n", + latm->numPrograms, latm->numSubFrames, latm->numLayers, latm->allStreamsSameTimeFraming); + return 0; + } + ascLen = 0; + if (latm->version) { + ascLen = latm_get_value(ld); + } + + x1 = faad_get_processed_bits(ld); + if (AudioSpecificConfigFromBitfile(ld, &mp4ASC, &pce, 0, 1) < 0) { + return 0; + } + + //horrid hack to unread the ASC bits and store them in latm->ASC + //the correct code would rely on an ideal faad_ungetbits() + y1 = faad_get_processed_bits(ld); + if ((y1 - x1) <= MAX_ASC_BYTES * 8) { + faad_rewindbits(ld); + m = x1; + while (m > 0) { + n = min(m, 32); + faad_getbits(ld, n); + m -= n; + } + + i = 0; + m = latm->ASCbits = y1 - x1; + while (m > 0) { + n = min(m, 8); + latm->ASC[i++] = (uint8_t) faad_getbits(ld, n); + m -= n; + } + } + + asc_bits = y1 - x1; + + if (ascLen > asc_bits) { + faad_getbits(ld, ascLen - asc_bits); + } + + latm->framelen_type = (uint8_t) faad_getbits(ld, 3); + if (latm->framelen_type == 0) { + latm->frameLength = 0; + faad_getbits(ld, 8); //buffer fullness for frame_len_type==0, useless + } else if (latm->framelen_type == 1) { + latm->frameLength = faad_getbits(ld, 9); + if (latm->frameLength == 0) { + fprintf(stderr, "Invalid frameLength: 0\r\n"); + return 0; + } + latm->frameLength = (latm->frameLength + 20) * 8; + } else { + //hellish CELP or HCVX stuff, discard + fprintf(stderr, "Unsupported CELP/HCVX framelentype: %d\n", latm->framelen_type); + return 0; + } + + latm->otherDataLenBits = 0; + if (faad_getbits(ld, 1)) { + //other data present + int esc, tmp; + if (latm->version) { + latm->otherDataLenBits = latm_get_value(ld); + } else do { + esc = faad_getbits(ld, 1); + tmp = faad_getbits(ld, 8); + latm->otherDataLenBits = (latm->otherDataLenBits << 8) + tmp; + } while (esc); + } + if (faad_getbits(ld, 1)) { //crc + faad_getbits(ld, 8); + } + latm->inited = 1; + } + + //read payload + if (latm->inited) { + return latmParsePayload(latm, ld); + } else { + return 0; + } +} + + +uint32_t faad_latm_frame(latm_header *latm, bitfile *ld) +{ + uint16_t len; + uint32_t initpos, endpos, firstpos, ret; + + firstpos = faad_get_processed_bits(ld); + while (ld->bytes_left) { + faad_byte_align(ld); + if (faad_showbits(ld, 11) != 0x2B7) { + faad_getbits(ld, 8); + continue; + } + faad_getbits(ld, 11); + len = faad_getbits(ld, 13); + if (!len) { + continue; + } + initpos = faad_get_processed_bits(ld); + ret = latmAudioMuxElement(latm, ld); + endpos = faad_get_processed_bits(ld); + if (ret > 0) { + return (len * 8) - (endpos - initpos); + } + //faad_getbits(ld, initpos-endpos); //go back to initpos, but is valid a getbits(-N) ? + } + return -1U; +} diff --git a/audio_codec/libfaad/syntax.h b/audio_codec/libfaad/syntax.h new file mode 100644 index 0000000..35d79f8 --- a/dev/null +++ b/audio_codec/libfaad/syntax.h @@ -0,0 +1,129 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: syntax.h,v 1.60 2009/01/26 23:51:17 menno Exp $ +**/ + +#ifndef __SYNTAX_H__ +#define __SYNTAX_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "bits.h" + +#define MAIN 1 +#define LC 2 +#define SSR 3 +#define LTP 4 +#define HE_AAC 5 +#define LD 23 +#define ER_LC 17 +#define ER_LTP 19 +#define DRM_ER_LC 27 /* special object type for DRM */ + + /* header types */ +#define RAW 0 +#define ADIF 1 +#define ADTS 2 +#define LATM 3 + + /* SBR signalling */ +#define NO_SBR 0 +#define SBR_UPSAMPLED 1 +#define SBR_DOWNSAMPLED 2 +#define NO_SBR_UPSAMPLED 3 + + /* DRM channel definitions */ +#define DRMCH_MONO 1 +#define DRMCH_STEREO 2 +#define DRMCH_SBR_MONO 3 +#define DRMCH_SBR_STEREO 4 +#define DRMCH_SBR_PS_STEREO 5 + + + /* First object type that has ER */ +#define ER_OBJECT_START 17 + + + /* Bitstream */ +#define LEN_SE_ID 3 +#define LEN_TAG 4 +#define LEN_BYTE 8 + +#define EXT_FIL 0 +#define EXT_FILL_DATA 1 +#define EXT_DATA_ELEMENT 2 +#define EXT_DYNAMIC_RANGE 11 +#define ANC_DATA 0 + + /* Syntax elements */ +#define ID_SCE 0x0 +#define ID_CPE 0x1 +#define ID_CCE 0x2 +#define ID_LFE 0x3 +#define ID_DSE 0x4 +#define ID_PCE 0x5 +#define ID_FIL 0x6 +#define ID_END 0x7 + +#define ONLY_LONG_SEQUENCE 0x0 +#define LONG_START_SEQUENCE 0x1 +#define EIGHT_SHORT_SEQUENCE 0x2 +#define LONG_STOP_SEQUENCE 0x3 + +#define ZERO_HCB 0 +#define FIRST_PAIR_HCB 5 +#define ESC_HCB 11 +#define QUAD_LEN 4 +#define PAIR_LEN 2 +#define NOISE_HCB 13 +#define INTENSITY_HCB2 14 +#define INTENSITY_HCB 15 + +#define INVALID_SBR_ELEMENT 255 + + int8_t GASpecificConfig(bitfile *ld, mp4AudioSpecificConfig *mp4ASC, + program_config *pce); + + uint8_t adts_frame(adts_header *adts, bitfile *ld); + void get_adif_header(adif_header *adif, bitfile *ld); + void raw_data_block(NeAACDecStruct *hDecoder, NeAACDecFrameInfo *hInfo, + bitfile *ld, program_config *pce, drc_info *drc); + uint8_t reordered_spectral_data(NeAACDecStruct *hDecoder, ic_stream *ics, bitfile *ld, + int16_t *spectral_data); +#ifdef DRM + void DRM_aac_scalable_main_element(NeAACDecStruct *hDecoder, NeAACDecFrameInfo *hInfo, + bitfile *ld, program_config *pce, drc_info *drc); +#endif + uint32_t faad_latm_frame(latm_header *latm, bitfile *ld); + +#ifdef __cplusplus +} +#endif +#endif diff --git a/audio_codec/libfaad/tns.c b/audio_codec/libfaad/tns.c new file mode 100644 index 0000000..a0718eb --- a/dev/null +++ b/audio_codec/libfaad/tns.c @@ -0,0 +1,304 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: tns.c,v 1.40 2007/11/01 12:33:40 menno Exp $ +**/ + +#include "common.h" +#include "structs.h" + +#include "syntax.h" +#include "tns.h" + + +/* static function declarations */ +static void tns_decode_coef(uint8_t order, uint8_t coef_res_bits, uint8_t coef_compress, + uint8_t *coef, real_t *a); +static void tns_ar_filter(real_t *spectrum, uint16_t size, int8_t inc, real_t *lpc, + uint8_t order); +static void tns_ma_filter(real_t *spectrum, uint16_t size, int8_t inc, real_t *lpc, + uint8_t order); + + +#ifdef _MSC_VER +#pragma warning(disable:4305) +#pragma warning(disable:4244) +#endif +static real_t tns_coef_0_3[] = { + COEF_CONST(0.0), COEF_CONST(0.4338837391), COEF_CONST(0.7818314825), COEF_CONST(0.9749279122), + COEF_CONST(-0.9848077530), COEF_CONST(-0.8660254038), COEF_CONST(-0.6427876097), COEF_CONST(-0.3420201433), + COEF_CONST(-0.4338837391), COEF_CONST(-0.7818314825), COEF_CONST(-0.9749279122), COEF_CONST(-0.9749279122), + COEF_CONST(-0.9848077530), COEF_CONST(-0.8660254038), COEF_CONST(-0.6427876097), COEF_CONST(-0.3420201433) +}; +static real_t tns_coef_0_4[] = { + COEF_CONST(0.0), COEF_CONST(0.2079116908), COEF_CONST(0.4067366431), COEF_CONST(0.5877852523), + COEF_CONST(0.7431448255), COEF_CONST(0.8660254038), COEF_CONST(0.9510565163), COEF_CONST(0.9945218954), + COEF_CONST(-0.9957341763), COEF_CONST(-0.9618256432), COEF_CONST(-0.8951632914), COEF_CONST(-0.7980172273), + COEF_CONST(-0.6736956436), COEF_CONST(-0.5264321629), COEF_CONST(-0.3612416662), COEF_CONST(-0.1837495178) +}; +static real_t tns_coef_1_3[] = { + COEF_CONST(0.0), COEF_CONST(0.4338837391), COEF_CONST(-0.6427876097), COEF_CONST(-0.3420201433), + COEF_CONST(0.9749279122), COEF_CONST(0.7818314825), COEF_CONST(-0.6427876097), COEF_CONST(-0.3420201433), + COEF_CONST(-0.4338837391), COEF_CONST(-0.7818314825), COEF_CONST(-0.6427876097), COEF_CONST(-0.3420201433), + COEF_CONST(-0.7818314825), COEF_CONST(-0.4338837391), COEF_CONST(-0.6427876097), COEF_CONST(-0.3420201433) +}; +static real_t tns_coef_1_4[] = { + COEF_CONST(0.0), COEF_CONST(0.2079116908), COEF_CONST(0.4067366431), COEF_CONST(0.5877852523), + COEF_CONST(-0.6736956436), COEF_CONST(-0.5264321629), COEF_CONST(-0.3612416662), COEF_CONST(-0.1837495178), + COEF_CONST(0.9945218954), COEF_CONST(0.9510565163), COEF_CONST(0.8660254038), COEF_CONST(0.7431448255), + COEF_CONST(-0.6736956436), COEF_CONST(-0.5264321629), COEF_CONST(-0.3612416662), COEF_CONST(-0.1837495178) +}; + + +/* TNS decoding for one channel and frame */ +void tns_decode_frame(ic_stream *ics, tns_info *tns, uint8_t sr_index, + uint8_t object_type, real_t *spec, uint16_t frame_len) +{ + uint8_t w, f, tns_order; + int8_t inc; + int16_t size; + uint16_t bottom, top, start, end; + uint16_t nshort = frame_len / 8; + real_t lpc[TNS_MAX_ORDER + 1]; + + if (!ics->tns_data_present) { + return; + } + + for (w = 0; w < ics->num_windows; w++) { + bottom = ics->num_swb; + + for (f = 0; f < tns->n_filt[w]; f++) { + top = bottom; + bottom = max(top - tns->length[w][f], 0); + tns_order = min(tns->order[w][f], TNS_MAX_ORDER); + if (!tns_order) { + continue; + } + + tns_decode_coef(tns_order, tns->coef_res[w] + 3, + tns->coef_compress[w][f], tns->coef[w][f], lpc); + + start = min(bottom, max_tns_sfb(sr_index, object_type, (ics->window_sequence == EIGHT_SHORT_SEQUENCE))); + start = min(start, ics->max_sfb); + start = min(ics->swb_offset[start], ics->swb_offset_max); + + end = min(top, max_tns_sfb(sr_index, object_type, (ics->window_sequence == EIGHT_SHORT_SEQUENCE))); + end = min(end, ics->max_sfb); + end = min(ics->swb_offset[end], ics->swb_offset_max); + + size = end - start; + if (size <= 0) { + continue; + } + + if (tns->direction[w][f]) { + inc = -1; + start = end - 1; + } else { + inc = 1; + } + + tns_ar_filter(&spec[(w * nshort) + start], size, inc, lpc, tns_order); + } + } +} + +/* TNS encoding for one channel and frame */ +void tns_encode_frame(ic_stream *ics, tns_info *tns, uint8_t sr_index, + uint8_t object_type, real_t *spec, uint16_t frame_len) +{ + uint8_t w, f, tns_order; + int8_t inc; + int16_t size; + uint16_t bottom, top, start, end; + uint16_t nshort = frame_len / 8; + real_t lpc[TNS_MAX_ORDER + 1]; + + if (!ics->tns_data_present) { + return; + } + + for (w = 0; w < ics->num_windows; w++) { + bottom = ics->num_swb; + + for (f = 0; f < tns->n_filt[w]; f++) { + top = bottom; + bottom = max(top - tns->length[w][f], 0); + tns_order = min(tns->order[w][f], TNS_MAX_ORDER); + if (!tns_order) { + continue; + } + + tns_decode_coef(tns_order, tns->coef_res[w] + 3, + tns->coef_compress[w][f], tns->coef[w][f], lpc); + + start = min(bottom, max_tns_sfb(sr_index, object_type, (ics->window_sequence == EIGHT_SHORT_SEQUENCE))); + start = min(start, ics->max_sfb); + start = min(ics->swb_offset[start], ics->swb_offset_max); + + end = min(top, max_tns_sfb(sr_index, object_type, (ics->window_sequence == EIGHT_SHORT_SEQUENCE))); + end = min(end, ics->max_sfb); + end = min(ics->swb_offset[end], ics->swb_offset_max); + + size = end - start; + if (size <= 0) { + continue; + } + + if (tns->direction[w][f]) { + inc = -1; + start = end - 1; + } else { + inc = 1; + } + + tns_ma_filter(&spec[(w * nshort) + start], size, inc, lpc, tns_order); + } + } +} + +/* Decoder transmitted coefficients for one TNS filter */ +static void tns_decode_coef(uint8_t order, uint8_t coef_res_bits, uint8_t coef_compress, + uint8_t *coef, real_t *a) +{ + uint8_t i, m; + real_t tmp2[TNS_MAX_ORDER + 1], b[TNS_MAX_ORDER + 1]; + + /* Conversion to signed integer */ + for (i = 0; i < order; i++) { + if (coef_compress == 0) { + if (coef_res_bits == 3) { + tmp2[i] = tns_coef_0_3[coef[i]]; + } else { + tmp2[i] = tns_coef_0_4[coef[i]]; + } + } else { + if (coef_res_bits == 3) { + tmp2[i] = tns_coef_1_3[coef[i]]; + } else { + tmp2[i] = tns_coef_1_4[coef[i]]; + } + } + } + + /* Conversion to LPC coefficients */ + a[0] = COEF_CONST(1.0); + for (m = 1; m <= order; m++) { + for (i = 1; i < m; i++) { /* loop only while i +#else +#include +#endif + + +#define FF_INPUT_BUFFER_PADDING_SIZE 8 + +enum CodecID { + CODEC_ID_NONE, + + /* various PCM "codecs" */ + CODEC_ID_PCM_S16LE = 0x10000, + CODEC_ID_PCM_S16BE, + CODEC_ID_PCM_U16LE, + CODEC_ID_PCM_U16BE, + CODEC_ID_PCM_S8, + CODEC_ID_PCM_U8, + CODEC_ID_PCM_MULAW, + CODEC_ID_PCM_ALAW, + CODEC_ID_PCM_S32LE, + CODEC_ID_PCM_S32BE, + CODEC_ID_PCM_U32LE, + CODEC_ID_PCM_U32BE, + CODEC_ID_PCM_S24LE, + CODEC_ID_PCM_S24BE, + CODEC_ID_PCM_U24LE, + CODEC_ID_PCM_U24BE, + CODEC_ID_PCM_S24DAUD, + CODEC_ID_PCM_ZORK, + CODEC_ID_PCM_S16LE_PLANAR, + CODEC_ID_PCM_DVD, + CODEC_ID_PCM_F32BE, + CODEC_ID_PCM_F32LE, + CODEC_ID_PCM_F64BE, + CODEC_ID_PCM_F64LE, + CODEC_ID_PCM_BLURAY, + + /* various ADPCM codecs */ + CODEC_ID_ADPCM_IMA_QT = 0x11000, + CODEC_ID_ADPCM_IMA_WAV, + CODEC_ID_ADPCM_IMA_DK3, + CODEC_ID_ADPCM_IMA_DK4, + CODEC_ID_ADPCM_IMA_WS, + CODEC_ID_ADPCM_IMA_SMJPEG, + CODEC_ID_ADPCM_MS, + CODEC_ID_ADPCM_4XM, + CODEC_ID_ADPCM_XA, + CODEC_ID_ADPCM_ADX, + CODEC_ID_ADPCM_EA, + CODEC_ID_ADPCM_G726, + CODEC_ID_ADPCM_CT, + CODEC_ID_ADPCM_SWF, + CODEC_ID_ADPCM_YAMAHA, + CODEC_ID_ADPCM_SBPRO_4, + CODEC_ID_ADPCM_SBPRO_3, + CODEC_ID_ADPCM_SBPRO_2, + CODEC_ID_ADPCM_THP, + CODEC_ID_ADPCM_IMA_AMV, + CODEC_ID_ADPCM_EA_R1, + CODEC_ID_ADPCM_EA_R3, + CODEC_ID_ADPCM_EA_R2, + CODEC_ID_ADPCM_IMA_EA_SEAD, + CODEC_ID_ADPCM_IMA_EA_EACS, + CODEC_ID_ADPCM_EA_XAS, + CODEC_ID_ADPCM_EA_MAXIS_XA, + CODEC_ID_ADPCM_IMA_ISS, + + /* AMR */ + CODEC_ID_AMR_NB = 0x12000, + CODEC_ID_AMR_WB, + + /* RealAudio codecs*/ + CODEC_ID_RA_144 = 0x13000, + CODEC_ID_RA_288, + + /* various DPCM codecs */ + CODEC_ID_ROQ_DPCM = 0x14000, + CODEC_ID_INTERPLAY_DPCM, + CODEC_ID_XAN_DPCM, + CODEC_ID_SOL_DPCM, + + /* audio codecs */ + CODEC_ID_MP2 = 0x15000, + CODEC_ID_MP3, ///< preferred ID for decoding MPEG audio layer 1, 2 or 3 + CODEC_ID_AAC, + CODEC_ID_AC3, + CODEC_ID_DTS, + CODEC_ID_VORBIS, + CODEC_ID_DVAUDIO, + CODEC_ID_WMAV1, + CODEC_ID_WMAV2, + CODEC_ID_MACE3, + CODEC_ID_MACE6, + CODEC_ID_VMDAUDIO, + CODEC_ID_SONIC, + CODEC_ID_SONIC_LS, + CODEC_ID_FLAC, + CODEC_ID_MP3ADU, + CODEC_ID_MP3ON4, + CODEC_ID_SHORTEN, + CODEC_ID_ALAC, + CODEC_ID_WESTWOOD_SND1, + CODEC_ID_GSM, ///< as in Berlin toast format + CODEC_ID_QDM2, + CODEC_ID_COOK, + CODEC_ID_TRUESPEECH, + CODEC_ID_TTA, + CODEC_ID_SMACKAUDIO, + CODEC_ID_QCELP, + CODEC_ID_WAVPACK, + CODEC_ID_DSICINAUDIO, + CODEC_ID_IMC, + CODEC_ID_MUSEPACK7, + CODEC_ID_MLP, + CODEC_ID_GSM_MS, /* as found in WAV */ + CODEC_ID_ATRAC3, + CODEC_ID_VOXWARE, + CODEC_ID_APE, + CODEC_ID_NELLYMOSER, + CODEC_ID_MUSEPACK8, + CODEC_ID_SPEEX, + CODEC_ID_WMAVOICE, + CODEC_ID_WMAPRO, + CODEC_ID_WMALOSSLESS, + CODEC_ID_ATRAC3P, + CODEC_ID_EAC3, + CODEC_ID_SIPR, + CODEC_ID_MP1, + CODEC_ID_TWINVQ, + CODEC_ID_TRUEHD, + CODEC_ID_MP4ALS, + CODEC_ID_ATRAC1, + + /* subtitle codecs */ + CODEC_ID_DVD_SUBTITLE = 0x17000, + CODEC_ID_DVB_SUBTITLE, + CODEC_ID_TEXT, ///< raw UTF-8 text + CODEC_ID_XSUB, + CODEC_ID_SSA, + CODEC_ID_MOV_TEXT, + CODEC_ID_HDMV_PGS_SUBTITLE, + CODEC_ID_DVB_TELETEXT, + + /* other specific kind of codecs (generally used for attachments) */ + CODEC_ID_TTF = 0x18000, + + CODEC_ID_PROBE = 0x19000, ///< codec_id is not known (like CODEC_ID_NONE) but lavf should attempt to identify it + + CODEC_ID_MPEG2TS = 0x20000, /**< _FAKE_ codec to indicate a raw MPEG-2 TS + * stream (only used by libavformat) */ +}; + +enum SampleFormat { + SAMPLE_FMT_NONE = -1, + SAMPLE_FMT_U8, ///< unsigned 8 bits + SAMPLE_FMT_S16, ///< signed 16 bits + SAMPLE_FMT_S32, ///< signed 32 bits + SAMPLE_FMT_FLT, ///< float + SAMPLE_FMT_DBL, ///< double + SAMPLE_FMT_NB ///< Number of sample formats. DO NOT USE if dynamically linking to libavcodec +}; + +enum CodecType { + CODEC_TYPE_UNKNOWN = -1, + CODEC_TYPE_VIDEO, + CODEC_TYPE_AUDIO, + CODEC_TYPE_DATA, + CODEC_TYPE_SUBTITLE, + CODEC_TYPE_ATTACHMENT, + CODEC_TYPE_NB +}; + +/* Audio channel masks */ +#define CH_FRONT_LEFT 0x00000001 +#define CH_FRONT_RIGHT 0x00000002 +#define CH_FRONT_CENTER 0x00000004 +#define CH_LOW_FREQUENCY 0x00000008 +#define CH_BACK_LEFT 0x00000010 +#define CH_BACK_RIGHT 0x00000020 +#define CH_FRONT_LEFT_OF_CENTER 0x00000040 +#define CH_FRONT_RIGHT_OF_CENTER 0x00000080 +#define CH_BACK_CENTER 0x00000100 +#define CH_SIDE_LEFT 0x00000200 +#define CH_SIDE_RIGHT 0x00000400 +#define CH_TOP_CENTER 0x00000800 +#define CH_TOP_FRONT_LEFT 0x00001000 +#define CH_TOP_FRONT_CENTER 0x00002000 +#define CH_TOP_FRONT_RIGHT 0x00004000 +#define CH_TOP_BACK_LEFT 0x00008000 +#define CH_TOP_BACK_CENTER 0x00010000 +#define CH_TOP_BACK_RIGHT 0x00020000 +#define CH_STEREO_LEFT 0x20000000 ///< Stereo downmix. +#define CH_STEREO_RIGHT 0x40000000 ///< See CH_STEREO_LEFT. + +/* Audio channel convenience macros */ +#define CH_LAYOUT_MONO (CH_FRONT_CENTER) +#define CH_LAYOUT_STEREO (CH_FRONT_LEFT|CH_FRONT_RIGHT) +#define CH_LAYOUT_2_1 (CH_LAYOUT_STEREO|CH_BACK_CENTER) +#define CH_LAYOUT_SURROUND (CH_LAYOUT_STEREO|CH_FRONT_CENTER) +#define CH_LAYOUT_4POINT0 (CH_LAYOUT_SURROUND|CH_BACK_CENTER) +#define CH_LAYOUT_2_2 (CH_LAYOUT_STEREO|CH_SIDE_LEFT|CH_SIDE_RIGHT) +#define CH_LAYOUT_QUAD (CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT) +#define CH_LAYOUT_5POINT0 (CH_LAYOUT_SURROUND|CH_SIDE_LEFT|CH_SIDE_RIGHT) +#define CH_LAYOUT_5POINT1 (CH_LAYOUT_5POINT0|CH_LOW_FREQUENCY) +#define CH_LAYOUT_5POINT0_BACK (CH_LAYOUT_SURROUND|CH_BACK_LEFT|CH_BACK_RIGHT) +#define CH_LAYOUT_5POINT1_BACK (CH_LAYOUT_5POINT0_BACK|CH_LOW_FREQUENCY) +#define CH_LAYOUT_7POINT0 (CH_LAYOUT_5POINT0|CH_BACK_LEFT|CH_BACK_RIGHT) +#define CH_LAYOUT_7POINT1 (CH_LAYOUT_5POINT1|CH_BACK_LEFT|CH_BACK_RIGHT) +#define CH_LAYOUT_7POINT1_WIDE (CH_LAYOUT_5POINT1_BACK|\ + CH_FRONT_LEFT_OF_CENTER|CH_FRONT_RIGHT_OF_CENTER) +#define CH_LAYOUT_STEREO_DOWNMIX (CH_STEREO_LEFT|CH_STEREO_RIGHT) + +/* in bytes */ +#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio + +typedef struct AVCodecContext { + /** + * the average bitrate + * - encoding: Set by user; unused for constant quantizer encoding. + * - decoding: Set by libavcodec. 0 or some bitrate if this info is available in the stream. + */ + int bit_rate; + + /** + * number of bits the bitstream is allowed to diverge from the reference. + * the reference can be CBR (for CBR pass1) or VBR (for pass2) + * - encoding: Set by user; unused for constant quantizer encoding. + * - decoding: unused + */ + int bit_rate_tolerance; + + /** + * CODEC_FLAG_*. + * - encoding: Set by user. + * - decoding: Set by user. + */ + int flags; + + /** + * Some codecs need additional format info. It is stored here. + * If any muxer uses this then ALL demuxers/parsers AND encoders for the + * specific codec MUST set it correctly otherwise stream copy breaks. + * In general use of this field by muxers is not recommanded. + * - encoding: Set by libavcodec. + * - decoding: Set by libavcodec. (FIXME: Is this OK?) + */ + int sub_id; + + /** + * Motion estimation algorithm used for video coding. + * 1 (zero), 2 (full), 3 (log), 4 (phods), 5 (epzs), 6 (x1), 7 (hex), + * 8 (umh), 9 (iter), 10 (tesa) [7, 8, 10 are x264 specific, 9 is snow specific] + * - encoding: MUST be set by user. + * - decoding: unused + */ + int me_method; + + /** + * some codecs need / can use extradata like Huffman tables. + * mjpeg: Huffman tables + * rv10: additional flags + * mpeg4: global headers (they can be in the bitstream or here) + * The allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger + * than extradata_size to avoid prolems if it is read with the bitstream reader. + * The bytewise contents of extradata must not depend on the architecture or CPU endianness. + * - encoding: Set/allocated/freed by libavcodec. + * - decoding: Set/allocated/freed by user. + */ + uint8_t *extradata; + int extradata_size; + + /* audio only */ + int sample_rate; ///< samples per second + int channels; ///< number of audio channels + + /** + * audio sample format + * - encoding: Set by user. + * - decoding: Set by libavcodec. + */ + enum SampleFormat sample_fmt; ///< sample format + + /* The following data should not be initialized. */ + /** + * Samples per packet, initialized when calling 'init'. + */ + int frame_size; + int frame_number; ///< audio or video frame number + + char codec_name[32]; + enum CodecType codec_type; /* see CODEC_TYPE_xxx */ + enum CodecID codec_id; /* see CODEC_ID_xxx */ + + /** + * Bits per sample/pixel of internal libavcodec pixel/sample format. + * This field is applicable only when sample_fmt is SAMPLE_FMT_S32. + * - encoding: set by user. + * - decoding: set by libavcodec. + */ + int bits_per_raw_sample; + + int block_align; + + /** + * Audio channel layout. + * - encoding: set by user. + * - decoding: set by libavcodec. + */ + int64_t channel_layout; +} AVCodecContext; + +#endif /* AVCODEC_AVCODEC_H */ diff --git a/audio_codec/libflac/bswap.h b/audio_codec/libflac/bswap.h new file mode 100644 index 0000000..3614057 --- a/dev/null +++ b/audio_codec/libflac/bswap.h @@ -0,0 +1,94 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file libavutil/bswap.h + * byte swapping routines + */ + +#ifndef AVUTIL_BSWAP_H +#define AVUTIL_BSWAP_H + +#ifdef __MW__ +#define inline __inline +#include +#else +#include +#endif +#include "common.h" +#include + +#ifndef bswap_16 +static av_always_inline av_const uint16_t bswap_16(uint16_t x) +{ + x = (x >> 8) | (x << 8); + return x; +} +#endif + +#ifndef bswap_32 +static av_always_inline av_const uint32_t bswap_32(uint32_t x) +{ + x = ((x << 8) & 0xFF00FF00) | ((x >> 8) & 0x00FF00FF); + x = (x >> 16) | (x << 16); + return x; +} +#endif + +#ifndef bswap_64 +static inline uint64_t av_const bswap_64(uint64_t x) +{ +#if 0 + x = ((x << 8) & 0xFF00FF00FF00FF00ULL) | ((x >> 8) & 0x00FF00FF00FF00FFULL); + x = ((x << 16) & 0xFFFF0000FFFF0000ULL) | ((x >> 16) & 0x0000FFFF0000FFFFULL); + return (x >> 32) | (x << 32); +#else + union { + uint64_t ll; + uint32_t l[2]; + } w, r; + w.ll = x; + r.l[0] = bswap_32(w.l[1]); + r.l[1] = bswap_32(w.l[0]); + return r.ll; +#endif +} +#endif + +// be2me ... big-endian to machine-endian +// le2me ... little-endian to machine-endian + +#if HAVE_BIGENDIAN +#define be2me_16(x) (x) +#define be2me_32(x) (x) +#define be2me_64(x) (x) +#define le2me_16(x) bswap_16(x) +#define le2me_32(x) bswap_32(x) +#define le2me_64(x) bswap_64(x) +#else +#define be2me_16(x) bswap_16(x) +#define be2me_32(x) bswap_32(x) +#define be2me_64(x) bswap_64(x) +#define le2me_16(x) (x) +#define le2me_32(x) (x) +#define le2me_64(x) (x) +#endif + +#endif /* AVUTIL_BSWAP_H */ diff --git a/audio_codec/libflac/codec.h b/audio_codec/libflac/codec.h new file mode 100644 index 0000000..97d6fbc --- a/dev/null +++ b/audio_codec/libflac/codec.h @@ -0,0 +1,36 @@ +#ifndef DSP_CODEC_HEADER +#define DSP_CODEC_HEADER +#include "codec_message.h" + +struct codec_type { + char *name; + int (*init)(struct frame_fmt *); + int (*release)(void); + // return BYTEs number for the samples + int (*decode_frame)(unsigned char *, int, struct frame_fmt *); +}; + +/*data in*/ +int read_bits(int bits); +int bits_left(void); +int reset_bits(void); +int read_byte(void); +int read_buffer(unsigned char *buffer, int size); +int get_inbuf_data_size(void); +unsigned long get_stream_in_offset(void); +int stream_in_buffer_init(void); + +/*data out*/ +int write_buffer(unsigned char *buf, int size); +int get_outbuf_space(void); +int out_buffer_init(void); + +/*mgt*/ +int codec_start(void); +int codec_resume(void); +int codec_pause(void); +int register_codec(const struct codec_type *mc); +void decode_error_msg(int error); +void trans_err_code(error_code_t error); + +#endif diff --git a/audio_codec/libflac/codec_message.h b/audio_codec/libflac/codec_message.h new file mode 100644 index 0000000..0301283 --- a/dev/null +++ b/audio_codec/libflac/codec_message.h @@ -0,0 +1,109 @@ +#ifndef _CODEC_MESSAGE_HEADERS +#define _CODEC_MESSAGE_HEADERS + + +#define SUB_FMT_VALID (1<<1) +#define CHANNEL_VALID (1<<2) +#define SAMPLE_RATE_VALID (1<<3) +#define DATA_WIDTH_VALID (1<<4) + +#define AUDIO_EXTRA_DATA_SIZE (2048*2) + +struct digit_raw_output_info { + int framelength; + unsigned char* framebuf; + int frame_size; + int frame_samples; + unsigned char* rawptr; + //for AC3 + int sampleratecode; + int bsmod; + + int bpf; + int brst; + int length; + int padsize; + int mode; + unsigned int syncword1; + unsigned int syncword2; + unsigned int syncword3; + + unsigned int syncword1_mask; + unsigned int syncword2_mask; + unsigned int syncword3_mask; + + unsigned chstat0_l; + unsigned chstat0_r; + unsigned chstat1_l; + unsigned chstat1_r; + + unsigned can_bypass; +}; +struct frame_fmt { + int valid; + int sub_fmt; + int channel_num; + int sample_rate; + int data_width; + int buffered_len;/*dsp codec,buffered origan data len*/ + int format; + unsigned int total_byte_parsed; + union { + unsigned int total_sample_decoded; + void *pcm_encoded_info; //used for encoded pcm info + } data; + unsigned int bps; + void* private_data; + struct digit_raw_output_info * digit_raw_output_info; +}; + +typedef struct pcm51_encoded_info_s { + unsigned int InfoValidFlag; //only if InfoValidFlag==1 can userspace start reading the data in 51pcm_buf; + unsigned int SampFs; //sampling frequency + unsigned int NumCh; //total output valid channels( including LFE channel if LFE is valid) + unsigned int AcMode; //audio coding mode + unsigned int LFEFlag; //indicating the output buffers cotains LFE components if LFEFlag==1 + unsigned int BitsPerSamp; //bits count used to indicates a pcm_samples +} pcm51_encoded_info_t; + + +struct frame_info { + int len; + unsigned long offset;/*steam start to here*/ + unsigned long buffered_len;/*data buffer in dsp,pcm datalen*/ + int reversed[1];/*for cache aligned 32 bytes*/ +}; + +struct audio_info { + int valid; + int sample_rate; + int channels; + int bitrate; + int codec_id; + int block_align; + int extradata_size; + char extradata[AUDIO_EXTRA_DATA_SIZE]; +}; + +typedef enum { + DECODE_INIT_ERR, + DECODE_FATAL_ERR, +} error_code_t; + +struct dsp_working_info { + int status; + int sp; + int pc; + int ilink1; + int ilink2; + int blink; + int jeffies; + int out_wp; + int out_rp; + int buffered_len;//pcm buffered at the dsp side + int es_offset;//stream read offset since start decoder + int reserved[5]; +}; + +#endif + diff --git a/audio_codec/libflac/common.h b/audio_codec/libflac/common.h new file mode 100644 index 0000000..7c5497e --- a/dev/null +++ b/audio_codec/libflac/common.h @@ -0,0 +1,356 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file libavutil/common.h + * common internal and external API header + */ + +#ifndef AVUTIL_COMMON_H +#define AVUTIL_COMMON_H + +#include +#ifdef __MW__ +#include "types.h" +#endif + +#ifndef __MW__ +#ifdef __GNUC__ +# define AV_GCC_VERSION_AT_LEAST(x,y) (__GNUC__ > x || __GNUC__ == x && __GNUC_MINOR__ >= y) +#else +# define AV_GCC_VERSION_AT_LEAST(x,y) 0 +#endif +#else +# define AV_GCC_VERSION_AT_LEAST(x,y) 0 +#endif +#ifndef av_always_inline +#if AV_GCC_VERSION_AT_LEAST(3,1) +# define av_always_inline __attribute__((always_inline)) inline +#else +# define av_always_inline inline +#endif +#endif + +#ifndef av_noinline +#if AV_GCC_VERSION_AT_LEAST(3,1) +# define av_noinline __attribute__((noinline)) +#else +# define av_noinline +#endif +#endif + +#ifndef av_pure +#if AV_GCC_VERSION_AT_LEAST(3,1) +# define av_pure __attribute__((pure)) +#else +# define av_pure +#endif +#endif + +#ifndef av_const +#if AV_GCC_VERSION_AT_LEAST(2,6) +# define av_const __attribute__((const)) +#else +# define av_const +#endif +#endif + +#ifndef av_cold +#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(4,3) +# define av_cold __attribute__((cold)) +#else +# define av_cold +#endif +#endif + +#ifndef av_flatten +#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(4,1) +# define av_flatten __attribute__((flatten)) +#else +# define av_flatten +#endif +#endif + +#ifndef attribute_deprecated +#if AV_GCC_VERSION_AT_LEAST(3,1) +# define attribute_deprecated __attribute__((deprecated)) +#else +# define attribute_deprecated +#endif +#endif + +#ifndef av_unused +#if defined(__GNUC__) +# define av_unused __attribute__((unused)) +#else +# define av_unused +#endif +#endif + +#ifndef av_uninit +#if defined(__GNUC__) && !defined(__ICC) +# define av_uninit(x) x=x +#else +# define av_uninit(x) x +#endif +#endif +#ifndef inline +#define inline +#endif +//rounded division & shift +#define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b)) +/* assume b>0 */ +#define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b)) +#define FFABS(a) ((a) >= 0 ? (a) : (-(a))) +#define FFSIGN(a) ((a) > 0 ? 1 : -1) + +#define FFMAX(a,b) ((a) > (b) ? (a) : (b)) +#define FFMAX3(a,b,c) FFMAX(FFMAX(a,b),c) +#define FFMIN(a,b) ((a) > (b) ? (b) : (a)) +#define FFMIN3(a,b,c) FFMIN(FFMIN(a,b),c) + +#define FFSWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0) +#define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0])) +#define FFALIGN(x, a) (((x)+(a)-1)&~((a)-1)) + +/* misc math functions */ +//extern const uint8_t ff_log2_tab[256]; + +extern const uint8_t av_reverse[256]; +static uint8_t ff_log2_tab[256] = { + 0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 +}; + +static inline av_const int av_log2(unsigned int v) +{ + int n = 0; + if (v & 0xffff0000) { + v >>= 16; + n += 16; + } + if (v & 0xff00) { + v >>= 8; + n += 8; + } + n += ff_log2_tab[v]; + + return n; +} + +static inline av_const int av_log2_16bit(unsigned int v) +{ + int n = 0; + if (v & 0xff00) { + v >>= 8; + n += 8; + } + n += ff_log2_tab[v]; + + return n; +} + +/** + * Clips a signed integer value into the amin-amax range. + * @param a value to clip + * @param amin minimum value of the clip range + * @param amax maximum value of the clip range + * @return clipped value + */ +static inline av_const int av_clip(int a, int amin, int amax) +{ + if (a < amin) { + return amin; + } else if (a > amax) { + return amax; + } else { + return a; + } +} + +/** + * Clips a signed integer value into the 0-255 range. + * @param a value to clip + * @return clipped value + */ +static inline av_const uint8_t av_clip_uint8(int a) +{ + if (a & (~255)) { + return (-a) >> 31; + } else { + return a; + } +} + +/** + * Clips a signed integer value into the 0-65535 range. + * @param a value to clip + * @return clipped value + */ +static inline av_const uint16_t av_clip_uint16(int a) +{ + if (a & (~65535)) { + return (-a) >> 31; + } else { + return a; + } +} + +/** + * Clips a signed integer value into the -32768,32767 range. + * @param a value to clip + * @return clipped value + */ +static inline av_const int16_t av_clip_int16(int a) +{ + if ((a + 32768) & ~65535) { + return (a >> 31) ^ 32767; + } else { + return a; + } +} + +/** + * Clips a float value into the amin-amax range. + * @param a value to clip + * @param amin minimum value of the clip range + * @param amax maximum value of the clip range + * @return clipped value + */ +static inline av_const float av_clipf(float a, float amin, float amax) +{ + if (a < amin) { + return amin; + } else if (a > amax) { + return amax; + } else { + return a; + } +} + +/** Computes ceil(log2(x)). + * @param x value used to compute ceil(log2(x)) + * @return computed ceiling of log2(x) + */ +static inline av_const int av_ceil_log2(int x) +{ + return av_log2((x - 1) << 1); +} + +#define MKTAG(a,b,c,d) (a | (b << 8) | (c << 16) | (d << 24)) +#define MKBETAG(a,b,c,d) (d | (c << 8) | (b << 16) | (a << 24)) + +/*! + * \def GET_UTF8(val, GET_BYTE, ERROR) + * Converts a UTF-8 character (up to 4 bytes long) to its 32-bit UCS-4 encoded form + * \param val is the output and should be of type uint32_t. It holds the converted + * UCS-4 character and should be a left value. + * \param GET_BYTE gets UTF-8 encoded bytes from any proper source. It can be + * a function or a statement whose return value or evaluated value is of type + * uint8_t. It will be executed up to 4 times for values in the valid UTF-8 range, + * and up to 7 times in the general case. + * \param ERROR action that should be taken when an invalid UTF-8 byte is returned + * from GET_BYTE. It should be a statement that jumps out of the macro, + * like exit(), goto, return, break, or continue. + */ +#define GET_UTF8(val, GET_BYTE, ERROR)\ + val= GET_BYTE;\ + {\ + int ones= 7 - av_log2(val ^ 255);\ + if(ones==1)\ + ERROR\ + val&= 127>>ones;\ + while(--ones > 0){\ + int tmp= GET_BYTE - 128;\ + if(tmp>>6)\ + ERROR\ + val= (val<<6) + tmp;\ + }\ + } + +/*! + * \def GET_UTF16(val, GET_16BIT, ERROR) + * Converts a UTF-16 character (2 or 4 bytes) to its 32-bit UCS-4 encoded form + * \param val is the output and should be of type uint32_t. It holds the converted + * UCS-4 character and should be a left value. + * \param GET_16BIT gets two bytes of UTF-16 encoded data converted to native endianness. + * It can be a function or a statement whose return value or evaluated value is of type + * uint16_t. It will be executed up to 2 times. + * \param ERROR action that should be taken when an invalid UTF-16 surrogate is + * returned from GET_BYTE. It should be a statement that jumps out of the macro, + * like exit(), goto, return, break, or continue. + */ +#define GET_UTF16(val, GET_16BIT, ERROR)\ + val = GET_16BIT;\ + {\ + unsigned int hi = val - 0xD800;\ + if (hi < 0x800) {\ + val = GET_16BIT - 0xDC00;\ + if (val > 0x3FFU || hi > 0x3FFU)\ + ERROR\ + val += (hi<<10) + 0x10000;\ + }\ + }\ + +/*! + * \def PUT_UTF8(val, tmp, PUT_BYTE) + * Converts a 32-bit Unicode character to its UTF-8 encoded form (up to 4 bytes long). + * \param val is an input-only argument and should be of type uint32_t. It holds + * a UCS-4 encoded Unicode character that is to be converted to UTF-8. If + * val is given as a function it is executed only once. + * \param tmp is a temporary variable and should be of type uint8_t. It + * represents an intermediate value during conversion that is to be + * output by PUT_BYTE. + * \param PUT_BYTE writes the converted UTF-8 bytes to any proper destination. + * It could be a function or a statement, and uses tmp as the input byte. + * For example, PUT_BYTE could be "*output++ = tmp;" PUT_BYTE will be + * executed up to 4 times for values in the valid UTF-8 range and up to + * 7 times in the general case, depending on the length of the converted + * Unicode character. + */ +#define PUT_UTF8(val, tmp, PUT_BYTE)\ + {\ + int bytes, shift;\ + uint32_t in = val;\ + if (in < 0x80) {\ + tmp = in;\ + PUT_BYTE\ + } else {\ + bytes = (av_log2(in) + 4) / 5;\ + shift = (bytes - 1) * 6;\ + tmp = (256 - (256 >> bytes)) | (in >> shift);\ + PUT_BYTE\ + while (shift >= 6) {\ + shift -= 6;\ + tmp = 0x80 | ((in >> shift) & 0x3f);\ + PUT_BYTE\ + }\ + }\ + } + +//#include "mem.h" + +#endif /* AVUTIL_COMMON_H */ diff --git a/audio_codec/libflac/crc.c b/audio_codec/libflac/crc.c new file mode 100644 index 0000000..97221df --- a/dev/null +++ b/audio_codec/libflac/crc.c @@ -0,0 +1,146 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "bswap.h" +#include "crc.h" + +#if CONFIG_HARDCODED_TABLES +#include "crc_data.h" +#else +static struct { + uint8_t le; + uint8_t bits; + uint32_t poly; +} av_crc_table_params[AV_CRC_MAX] = { + [AV_CRC_8_ATM] = { 0, 8, 0x07 }, + [AV_CRC_16_ANSI] = { 0, 16, 0x8005 }, + [AV_CRC_16_CCITT] = { 0, 16, 0x1021 }, + [AV_CRC_32_IEEE] = { 0, 32, 0x04C11DB7 }, + [AV_CRC_32_IEEE_LE] = { 1, 32, 0xEDB88320 }, +}; +static AVCRC av_crc_table[AV_CRC_MAX][257]; +#endif + +/** + * Initializes a CRC table. + * @param ctx must be an array of size sizeof(AVCRC)*257 or sizeof(AVCRC)*1024 + * @param cts_size size of ctx in bytes + * @param le If 1, the lowest bit represents the coefficient for the highest + * exponent of the corresponding polynomial (both for poly and + * actual CRC). + * If 0, you must swap the CRC parameter and the result of av_crc + * if you need the standard representation (can be simplified in + * most cases to e.g. bswap16): + * bswap_32(crc << (32-bits)) + * @param bits number of bits for the CRC + * @param poly generator polynomial without the x**bits coefficient, in the + * representation as specified by le + * @return <0 on failure + */ +int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size) +{ + int i, j; + uint32_t c; + + if (bits < 8 || bits > 32 || poly >= (1LL << bits)) { + return -1; + } + if (ctx_size != sizeof(AVCRC) * 257 && ctx_size != sizeof(AVCRC) * 1024) { + return -1; + } + + for (i = 0; i < 256; i++) { + if (le) { + for (c = i, j = 0; j < 8; j++) { + c = (c >> 1) ^(poly & (-(c & 1))); + } + ctx[i] = c; + } else { + for (c = i << 24, j = 0; j < 8; j++) { + c = (c << 1) ^((poly << (32 - bits)) & (((int32_t)c) >> 31)); + } + ctx[i] = bswap_32(c); + } + } + ctx[256] = 1; + //#if !CONFIG_SMALL + if (ctx_size >= sizeof(AVCRC) * 1024) + for (i = 0; i < 256; i++) + for (j = 0; j < 3; j++) { + ctx[256 * (j + 1) + i] = (ctx[256 * j + i] >> 8) ^ ctx[ ctx[256 * j + i] & 0xFF ]; + } + //#endif + + return 0; +} + +/** + * Gets an initialized standard CRC table. + * @param crc_id ID of a standard CRC + * @return a pointer to the CRC table or NULL on failure + */ +const AVCRC *av_crc_get_table(AVCRCId crc_id) +{ + //#if !CONFIG_HARDCODED_TABLES + if (!av_crc_table[crc_id][FF_ARRAY_ELEMS(av_crc_table[crc_id]) - 1]) + if (av_crc_init(av_crc_table[crc_id], + av_crc_table_params[crc_id].le, + av_crc_table_params[crc_id].bits, + av_crc_table_params[crc_id].poly, + sizeof(av_crc_table[crc_id])) < 0) { + return NULL; + } + //#endif + return av_crc_table[crc_id]; +} + +/** + * Calculates the CRC of a block. + * @param crc CRC of previous blocks if any or initial value for CRC + * @return CRC updated with the data from the given block + * + * @see av_crc_init() "le" parameter + */ +uint32_t av_crc(const AVCRC *ctx, uint32_t crc, const uint8_t *buffer, size_t length) +{ + const uint8_t *end = buffer + length; + + //#if !CONFIG_SMALL + if (!ctx[256]) { + while (((intptr_t) buffer & 3) && buffer < end) { + crc = ctx[((uint8_t)crc) ^ *buffer++] ^(crc >> 8); + } + + while (buffer < end - 3) { + crc ^= le2me_32(*(const uint32_t*)buffer); + buffer += 4; + crc = ctx[3 * 256 + (crc & 0xFF)] + ^ ctx[2 * 256 + ((crc >> 8) & 0xFF)] + ^ ctx[1 * 256 + ((crc >> 16) & 0xFF)] + ^ ctx[0 * 256 + ((crc >> 24))]; + } + } + //#endif + while (buffer < end) { + crc = ctx[((uint8_t)crc) ^ *buffer++] ^(crc >> 8); + } + + return crc; +} diff --git a/audio_codec/libflac/crc.h b/audio_codec/libflac/crc.h new file mode 100644 index 0000000..f8ed581 --- a/dev/null +++ b/audio_codec/libflac/crc.h @@ -0,0 +1,46 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_CRC_H +#define AVUTIL_CRC_H +#if 1 +#include +#else +typedef int intptr_t; +#endif +#include +#include "common.h" +typedef uint32_t AVCRC; + +typedef enum { + AV_CRC_8_ATM, + AV_CRC_16_ANSI, + AV_CRC_16_CCITT, + AV_CRC_32_IEEE, + AV_CRC_32_IEEE_LE, /*< reversed bitorder version of AV_CRC_32_IEEE */ + AV_CRC_MAX, /*< Not part of public API! Do not use outside libavutil. */ +} AVCRCId; + +int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size); +const AVCRC *av_crc_get_table(AVCRCId crc_id); +uint32_t av_crc(const AVCRC *ctx, uint32_t start_crc, const uint8_t *buffer, size_t length) av_pure; + +#endif /* AVUTIL_CRC_H */ + diff --git a/audio_codec/libflac/flac.c b/audio_codec/libflac/flac.c new file mode 100644 index 0000000..d606494 --- a/dev/null +++ b/audio_codec/libflac/flac.c @@ -0,0 +1,43 @@ +/* + * FLAC common code + * Copyright (c) 2009 Justin Ruggles + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "flac.h" + +int ff_flac_get_max_frame_size(int blocksize, int ch, int bps) +{ + /* Technically, there is no limit to FLAC frame size, but an encoder + should not write a frame that is larger than if verbatim encoding mode + were to be used. */ + + int count; + + count = 16; /* frame header */ + count += ch * ((7 + bps + 7) / 8); /* subframe headers */ + if (ch == 2) { + /* for stereo, need to account for using decorrelation */ + count += ((2 * bps + 1) * blocksize + 7) / 8; + } else { + count += (ch * bps * blocksize + 7) / 8; + } + count += 2; /* frame footer */ + + return count; +} diff --git a/audio_codec/libflac/flac.h b/audio_codec/libflac/flac.h new file mode 100644 index 0000000..115c06e --- a/dev/null +++ b/audio_codec/libflac/flac.h @@ -0,0 +1,124 @@ +/* + * FLAC (Free Lossless Audio Codec) decoder/demuxer common functions + * Copyright (c) 2008 Justin Ruggles + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file libavcodec/flac.h + * FLAC (Free Lossless Audio Codec) decoder/demuxer common functions + */ + +#ifndef AVCODEC_FLAC_H +#define AVCODEC_FLAC_H + +#include "avcodec.h" + +#define FLAC_STREAMINFO_SIZE 34 +#define FLAC_MAX_CHANNELS 8 +#define FLAC_MIN_BLOCKSIZE 16 +#define FLAC_MAX_BLOCKSIZE 65535 +#define FLAC_MIN_FRAME_SIZE 11 + +enum { + FLAC_CHMODE_INDEPENDENT = 0, + FLAC_CHMODE_LEFT_SIDE = 8, + FLAC_CHMODE_RIGHT_SIDE = 9, + FLAC_CHMODE_MID_SIDE = 10, +}; + +enum { + FLAC_METADATA_TYPE_STREAMINFO = 0, + FLAC_METADATA_TYPE_PADDING, + FLAC_METADATA_TYPE_APPLICATION, + FLAC_METADATA_TYPE_SEEKTABLE, + FLAC_METADATA_TYPE_VORBIS_COMMENT, + FLAC_METADATA_TYPE_CUESHEET, + FLAC_METADATA_TYPE_PICTURE, + FLAC_METADATA_TYPE_INVALID = 127 +}; + +enum FLACExtradataFormat { + FLAC_EXTRADATA_FORMAT_STREAMINFO = 0, + FLAC_EXTRADATA_FORMAT_FULL_HEADER = 1 +}; + +#define FLACCOMMONINFO \ + int samplerate; /**< sample rate */\ + int channels; /**< number of channels */\ + int bps; /**< bits-per-sample */\ + +/** + * Data needed from the Streaminfo header for use by the raw FLAC demuxer + * and/or the FLAC decoder. + */ +#define FLACSTREAMINFO \ + FLACCOMMONINFO \ + int max_blocksize; /**< maximum block size, in samples */\ + int max_framesize; /**< maximum frame size, in bytes */\ + int64_t samples; /**< total number of samples */\ + +typedef struct FLACStreaminfo { + FLACSTREAMINFO +} FLACStreaminfo; + +typedef struct FLACFrameInfo { + FLACCOMMONINFO + int blocksize; /**< block size of the frame */ + int ch_mode; /**< channel decorrelation mode */ +} FLACFrameInfo; + +/** + * Parse the Streaminfo metadata block + * @param[out] avctx codec context to set basic stream parameters + * @param[out] s where parsed information is stored + * @param[in] buffer pointer to start of 34-byte streaminfo data + */ +void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s, + const uint8_t *buffer); + +/** + * Validate the FLAC extradata. + * @param[in] avctx codec context containing the extradata. + * @param[out] format extradata format. + * @param[out] streaminfo_start pointer to start of 34-byte STREAMINFO data. + * @return 1 if valid, 0 if not valid. + */ +int ff_flac_is_extradata_valid(AVCodecContext *avctx, + enum FLACExtradataFormat *format, + uint8_t **streaminfo_start); + +/** + * Parse the metadata block parameters from the header. + * @param[in] block_header header data, at least 4 bytes + * @param[out] last indicator for last metadata block + * @param[out] type metadata block type + * @param[out] size metadata block size + */ +void ff_flac_parse_block_header(const uint8_t *block_header, + int *last, int *type, int *size); + +/** + * Calculate an estimate for the maximum frame size based on verbatim mode. + * @param blocksize block size, in samples + * @param ch number of channels + * @param bps bits-per-sample + */ +int ff_flac_get_max_frame_size(int blocksize, int ch, int bps); + +#endif /* AVCODEC_FLAC_H */ diff --git a/audio_codec/libflac/flac_decode.c b/audio_codec/libflac/flac_decode.c new file mode 100644 index 0000000..e1ddaaf --- a/dev/null +++ b/audio_codec/libflac/flac_decode.c @@ -0,0 +1,943 @@ +/* +* filename: flac_decode.c +* +* +* +* +* +*/ + +#include +#include +#include +#include "codec.h" +#ifndef __MW__ +#include +#else +#include "types.h" +#endif +#include "crc.h" +#include "avcodec.h" +#include "get_bits.h" +#include "golomb.h" + +#include "flac.h" +#include "flacdata.h" +#include "../../amadec/adec-armdec-mgt.h" + +#include + +#define LOG_TAG "FlacDecoder" +#define audio_codec_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) + +#define DefaultReadSize 1024*10 //read count from kernel audio buf one time +#define DefaultOutBufSize 1024*1024 + +typedef struct OutData { + uint8_t * outb; + int byte; + int index; +} OutData; + +typedef struct FLACContext { + FLACSTREAMINFO + + AVCodecContext *avctx; ///< parent AVCodecContext + GetBitContext gb; ///< GetBitContext initialized to start at the current frame + + int blocksize; ///< number of samples in the current frame + int curr_bps; ///< bps for current subframe, adjusted for channel correlation and wasted bits + int sample_shift; ///< shift required to make output samples 16-bit or 32-bit + int is32; ///< flag to indicate if output should be 32-bit instead of 16-bit + int ch_mode; ///< channel decorrelation type in the current frame + int got_streaminfo; ///< indicates if the STREAMINFO has been read + + int32_t *decoded[FLAC_MAX_CHANNELS]; ///< decoded samples + uint8_t *bitstream; + unsigned int bitstream_size; + unsigned int bitstream_index; + unsigned int allocated_bitstream_size; +} FLACContext; + +static const int sample_size_table[] = +{ 0, 8, 12, 0, 16, 20, 24, 0 }; + +static AVCodecContext acodec; +static FLACContext flactext; +static OutData outbuffer; +#define INPUT_BUF_SIZE 32768 +static int64_t get_utf8(GetBitContext *gb) +{ + int64_t val; + GET_UTF8(val, get_bits(gb, 8), return -1;) + return val; +} + +void *av_malloc(unsigned int size) +{ + void *ptr = NULL; + + ptr = malloc(size); + return ptr; +} + +void *av_realloc(void *ptr, unsigned int size) +{ + return realloc(ptr, size); +} + +void av_freep(void **arg) +{ + if (*arg) { + free(*arg); + } + *arg = NULL; +} +void av_free(void *arg) +{ + if (arg) { + free(arg); + } +} +void *av_mallocz(unsigned int size) +{ + void *ptr = malloc(size); + if (ptr) { + memset(ptr, 0, size); + } + return ptr; +} + +static inline uint32_t bytestream_get_be32(const uint8_t** ptr) +{ + uint32_t tmp; + tmp = (*ptr)[3] | ((*ptr)[2] << 8) | ((*ptr)[1] << 16) | ((*ptr)[0] << 24); + *ptr += 4; + return tmp; +} + +static inline uint32_t bytestream_get_be24(const uint8_t** ptr) +{ + uint32_t tmp; + tmp = (*ptr)[2] | ((*ptr)[1] << 8) | ((*ptr)[0] << 16) ; + *ptr += 3; + return tmp; +} + +static inline uint8_t bytestream_get_byte(const uint8_t** ptr) +{ + uint8_t tmp; + tmp = **ptr; + *ptr += 1; + return tmp; +} + + + +void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size) +{ + if (min_size < *size) { + return ptr; + } + + *size = FFMAX(17 * min_size / 16 + 32, min_size); + + ptr = av_realloc(ptr, *size); + if (!ptr) { //we could set this to the unmodified min_size but this is safer if the user lost the ptr and uses NULL now + *size = 0; + } + + return ptr; +} + +static void allocate_buffers(FLACContext *s) +{ + int i; + + if (s->max_framesize == 0 && s->max_blocksize) { + s->max_framesize = ff_flac_get_max_frame_size(s->max_blocksize, + s->channels, s->bps); + } + + for (i = 0; i < s->channels; i++) { + s->decoded[i] = av_realloc(s->decoded[i], + sizeof(int32_t) * s->max_blocksize); + } +} + + +/** + * Parse the STREAMINFO from an inline header. + * @param s the flac decoding context + * @param buf input buffer, starting with the "fLaC" marker + * @param buf_size buffer size + * @return non-zero if metadata is invalid + */ +static int parse_streaminfo(FLACContext *s, const uint8_t *buf, int buf_size) +{ + int metadata_type, metadata_size; + + if (buf_size < FLAC_STREAMINFO_SIZE + 8) { + /* need more data */ + return 0; + } + ff_flac_parse_block_header(&buf[4], NULL, &metadata_type, &metadata_size); + if (metadata_type != FLAC_METADATA_TYPE_STREAMINFO || + metadata_size != FLAC_STREAMINFO_SIZE) { + return -1;//AVERROR_INVALIDDATA; + } + ff_flac_parse_streaminfo(s->avctx, (FLACStreaminfo *)s, &buf[8]); + allocate_buffers(s); + s->got_streaminfo = 1; + + return 0; +} +/** + * Determine the size of an inline header. + * @param buf input buffer, starting with the "fLaC" marker + * @param buf_size buffer size + * @return number of bytes in the header, or 0 if more data is needed + */ +static int get_metadata_size(const uint8_t *buf, int buf_size) +{ + int metadata_last, metadata_size; + const uint8_t *buf_end = buf + buf_size; + + buf += 4; + do { + ff_flac_parse_block_header(buf, &metadata_last, NULL, &metadata_size); + buf += 4; + if (buf + metadata_size > buf_end) { + /* need more data in order to read the complete header */ + return 0; + } + buf += metadata_size; + } while (!metadata_last); + + return buf_size - (buf_end - buf); +} +void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s, + const uint8_t *buffer) +{ + GetBitContext gb; + init_get_bits(&gb, buffer, FLAC_STREAMINFO_SIZE * 8); + + skip_bits(&gb, 16); /* skip min blocksize */ + s->max_blocksize = get_bits(&gb, 16); + if (s->max_blocksize < FLAC_MIN_BLOCKSIZE) { + audio_codec_print("invalid max blocksize: %d\n", s->max_blocksize); + s->max_blocksize = 16; + } + + skip_bits(&gb, 24); /* skip min frame size */ + s->max_framesize = get_bits_long(&gb, 24); + + s->samplerate = get_bits_long(&gb, 20); + s->channels = get_bits(&gb, 3) + 1; + s->bps = get_bits(&gb, 5) + 1; + + audio_codec_print("## METADATA sp=%d, ch=%d, bps=%d,-------------\n", + s->samplerate, s->channels, s->bps); + + avctx->channels = s->channels; + avctx->sample_rate = s->samplerate; + avctx->bits_per_raw_sample = s->bps; + + s->samples = get_bits_long(&gb, 32) << 4; + s->samples |= get_bits(&gb, 4); + + skip_bits_long(&gb, 64); /* md5 sum */ + skip_bits_long(&gb, 64); /* md5 sum */ + +} +static void allocate_buffers(FLACContext *s); + +int ff_flac_is_extradata_valid(AVCodecContext *avctx, + enum FLACExtradataFormat *format, + uint8_t **streaminfo_start) +{ + if (!avctx->extradata || avctx->extradata_size < FLAC_STREAMINFO_SIZE) { + audio_codec_print("extradata NULL or too small.\n"); + return 0; + } + if (AV_RL32(avctx->extradata) != MKTAG('f', 'L', 'a', 'C')) { + /* extradata contains STREAMINFO only */ + if (avctx->extradata_size != FLAC_STREAMINFO_SIZE) { + audio_codec_print("extradata contains %d bytes too many.\n", + FLAC_STREAMINFO_SIZE - avctx->extradata_size); + } + *format = FLAC_EXTRADATA_FORMAT_STREAMINFO; + *streaminfo_start = avctx->extradata; + } else { + if (avctx->extradata_size < 8 + FLAC_STREAMINFO_SIZE) { + audio_codec_print("extradata too small.\n"); + return 0; + } + *format = FLAC_EXTRADATA_FORMAT_FULL_HEADER; + *streaminfo_start = &avctx->extradata[8]; + } + return 1; +} +static int decode_residuals(FLACContext *s, int channel, int pred_order) +{ + int i, tmp, partition, method_type, rice_order; + int sample = 0, samples; + + method_type = get_bits(&s->gb, 2); + if (method_type > 1) { + audio_codec_print("illegal residual coding method %d\n", method_type); + return -1; + } + + rice_order = get_bits(&s->gb, 4); + + samples = s->blocksize >> rice_order; + if (pred_order > samples) { + audio_codec_print("invalid predictor order: %i > %i\n", pred_order, samples); + return -1; + } + + sample = + i = pred_order; + for (partition = 0; partition < (1 << rice_order); partition++) { + tmp = get_bits(&s->gb, method_type == 0 ? 4 : 5); + if (tmp == (method_type == 0 ? 15 : 31)) { + tmp = get_bits(&s->gb, 5); + for (; i < samples; i++, sample++) { + s->decoded[channel][sample] = get_sbits_long(&s->gb, tmp); + } + } else { + for (; i < samples; i++, sample++) { + s->decoded[channel][sample] = get_sr_golomb_flac(&s->gb, tmp, INT_MAX, 0); + } + } + i = 0; + } + + return 0; +} + + +static int decode_subframe_fixed(FLACContext *s, int channel, int pred_order) +{ + const int blocksize = s->blocksize; + int32_t *decoded = s->decoded[channel]; + int av_uninit(a), av_uninit(b), av_uninit(c), av_uninit(d), i; + + /* warm up samples */ + for (i = 0; i < pred_order; i++) { + decoded[i] = get_sbits_long(&s->gb, s->curr_bps); + } + + if (decode_residuals(s, channel, pred_order) < 0) { + return -1; + } + + if (pred_order > 0) { + a = decoded[pred_order - 1]; + } + if (pred_order > 1) { + b = a - decoded[pred_order - 2]; + } + if (pred_order > 2) { + c = b - decoded[pred_order - 2] + decoded[pred_order - 3]; + } + if (pred_order > 3) { + d = c - decoded[pred_order - 2] + 2 * decoded[pred_order - 3] - decoded[pred_order - 4]; + } + + switch (pred_order) { + case 0: + break; + case 1: + for (i = pred_order; i < blocksize; i++) { + decoded[i] = a += decoded[i]; + } + break; + case 2: + for (i = pred_order; i < blocksize; i++) { + decoded[i] = a += b += decoded[i]; + } + break; + case 3: + for (i = pred_order; i < blocksize; i++) { + decoded[i] = a += b += c += decoded[i]; + } + break; + case 4: + for (i = pred_order; i < blocksize; i++) { + decoded[i] = a += b += c += d += decoded[i]; + } + break; + default: + audio_codec_print("illegal pred order %d\n", pred_order); + return -1; + } + + return 0; +} + + +static int decode_subframe_lpc(FLACContext *s, int channel, int pred_order) +{ + int i, j; + int coeff_prec, qlevel; + int coeffs[32]; + int32_t *decoded = s->decoded[channel]; + + /* warm up samples */ + for (i = 0; i < pred_order; i++) { + decoded[i] = get_sbits_long(&s->gb, s->curr_bps); + } + + coeff_prec = get_bits(&s->gb, 4) + 1; + if (coeff_prec == 16) { + audio_codec_print("invalid coeff precision\n"); + return -1; + } + qlevel = get_sbits(&s->gb, 5); + if (qlevel < 0) { + audio_codec_print("qlevel %d not supported, maybe buggy stream\n", qlevel); + return -1; + } + + for (i = 0; i < pred_order; i++) { + coeffs[i] = get_sbits(&s->gb, coeff_prec); + } + + if (decode_residuals(s, channel, pred_order) < 0) { + return -1; + } + + if (s->bps > 16) { + int64_t sum; + for (i = pred_order; i < s->blocksize; i++) { + sum = 0; + for (j = 0; j < pred_order; j++) { + sum += (int64_t)coeffs[j] * decoded[i - j - 1]; + } + decoded[i] += sum >> qlevel; + } + } else { + for (i = pred_order; i < s->blocksize - 1; i += 2) { + int c; + int d = decoded[i - pred_order]; + int s0 = 0, s1 = 0; + for (j = pred_order - 1; j > 0; j--) { + c = coeffs[j]; + s0 += c * d; + d = decoded[i - j]; + s1 += c * d; + } + c = coeffs[0]; + s0 += c * d; + d = decoded[i] += s0 >> qlevel; + s1 += c * d; + decoded[i + 1] += s1 >> qlevel; + } + if (i < s->blocksize) { + int sum = 0; + for (j = 0; j < pred_order; j++) { + sum += coeffs[j] * decoded[i - j - 1]; + } + decoded[i] += sum >> qlevel; + } + } + + return 0; +} + +void ff_flac_parse_block_header(const uint8_t *block_header, + int *last, int *type, int *size) +{ + int tmp = bytestream_get_byte(&block_header); + if (last) { + *last = tmp & 0x80; + } + if (type) { + *type = tmp & 0x7F; + } + if (size) { + *size = bytestream_get_be24(&block_header); + } +} + +static inline int decode_subframe(FLACContext *s, int channel) +{ + int type, wasted = 0; + int i, tmp; + + s->curr_bps = s->bps; + if (channel == 0) { + if (s->ch_mode == FLAC_CHMODE_RIGHT_SIDE) { + s->curr_bps++; + } + } else { + if (s->ch_mode == FLAC_CHMODE_LEFT_SIDE || s->ch_mode == FLAC_CHMODE_MID_SIDE) { + s->curr_bps++; + } + } + + if (get_bits1(&s->gb)) { + audio_codec_print("invalid subframe padding\n"); + return -1; + } + type = get_bits(&s->gb, 6); + + if (get_bits1(&s->gb)) { + wasted = 1; + while (!get_bits1(&s->gb)) { + wasted++; + } + s->curr_bps -= wasted; + } + if (s->curr_bps > 32) { + audio_codec_print("decorrelated bit depth > 32"); + return -1; + } + + //FIXME use av_log2 for types + if (type == 0) { + tmp = get_sbits_long(&s->gb, s->curr_bps); + for (i = 0; i < s->blocksize; i++) { + s->decoded[channel][i] = tmp; + } + } else if (type == 1) { + for (i = 0; i < s->blocksize; i++) { + s->decoded[channel][i] = get_sbits_long(&s->gb, s->curr_bps); + } + } else if ((type >= 8) && (type <= 12)) { + if (decode_subframe_fixed(s, channel, type & ~0x8) < 0) { + return -1; + } + } else if (type >= 32) { + if (decode_subframe_lpc(s, channel, (type & ~0x20) + 1) < 0) { + return -1; + } + } else { + audio_codec_print("invalid coding type\n"); + return -1; + } + + if (wasted) { + int i; + for (i = 0; i < s->blocksize; i++) { + s->decoded[channel][i] <<= wasted; + } + } + + return 0; +} + +static int decode_frame_header(GetBitContext *gb, FLACFrameInfo *fi) +{ + int bs_code, sr_code, bps_code; + + /* frame sync code */ + //skip_bits(gb, 16); + if ((get_bits(gb, 15) & 0x7FFF) != 0x7FFC) { + audio_codec_print("invalid sync code-----------------------\n"); + return -1; + } + skip_bits(gb, 1); + + /* block size and sample rate codes */ + bs_code = get_bits(gb, 4); + sr_code = get_bits(gb, 4); + + /* channels and decorrelation */ + fi->ch_mode = get_bits(gb, 4); + if (fi->ch_mode < FLAC_MAX_CHANNELS) { + fi->channels = fi->ch_mode + 1; + fi->ch_mode = FLAC_CHMODE_INDEPENDENT; + } else if (fi->ch_mode <= FLAC_CHMODE_MID_SIDE) { + fi->channels = 2; + } else { + audio_codec_print("invalid channel mode: %d\n", fi->ch_mode); + return -1; + } + + /* bits per sample */ + bps_code = get_bits(gb, 3); + if (bps_code == 3 || bps_code == 7) { + audio_codec_print("invalid sample size code (%d)\n", bps_code); + return -1; + } + fi->bps = sample_size_table[bps_code]; + + /* reserved bit */ + if (get_bits1(gb)) { + audio_codec_print("broken stream, invalid padding\n"); + return -1; + } + + /* sample or frame count */ + if (get_utf8(gb) < 0) { + audio_codec_print("utf8 fscked\n"); + return -1; + } + + /* blocksize */ + if (bs_code == 0) { + audio_codec_print("reserved blocksize code: 0\n"); + return -1; + } else if (bs_code == 6) { + fi->blocksize = get_bits(gb, 8) + 1; + } else if (bs_code == 7) { + fi->blocksize = get_bits(gb, 16) + 1; + } else { + fi->blocksize = ff_flac_blocksize_table[bs_code]; + } + + /* sample rate */ + if (sr_code < 12) { + fi->samplerate = ff_flac_sample_rate_table[sr_code]; + } else if (sr_code == 12) { + fi->samplerate = get_bits(gb, 8) * 1000; + } else if (sr_code == 13) { + fi->samplerate = get_bits(gb, 16); + } else if (sr_code == 14) { + fi->samplerate = get_bits(gb, 16) * 10; + } else { + audio_codec_print("illegal sample rate code %d\n", sr_code); + return -1; + } + + /* header CRC-8 check */ + skip_bits(gb, 8); + if (av_crc(av_crc_get_table(AV_CRC_8_ATM), 0, gb->buffer, + get_bits_count(gb) / 8)) { + audio_codec_print("header crc mismatch\n"); + return -1; + } + + return 0; +} + +static int decode_frame(FLACContext *s) +{ + int i; + GetBitContext *gb = &s->gb; + FLACFrameInfo fi; + + if (decode_frame_header(gb, &fi)) { + //audio_codec_print("invalid frame header\n"); + return -1; + } + + if (fi.channels != s->channels) { + audio_codec_print("switching channel layout mid-stream is not supported\n"); + return -1; + } + s->ch_mode = fi.ch_mode; + + if (fi.bps && fi.bps != s->bps) { + audio_codec_print("switching bps mid-stream is not supported\n"); + return -1; + } + if (0/*s->bps > 16*/) { + s->avctx->sample_fmt = SAMPLE_FMT_S32; + s->sample_shift = 32 - s->bps; + s->is32 = 1; + } else { + // s->avctx->sample_fmt = SAMPLE_FMT_S16; + s->sample_shift = 16 - s->bps; + s->is32 = 0; + } + + if (fi.blocksize > s->max_blocksize) { + audio_codec_print("blocksize %d > %d\n", fi.blocksize, s->max_blocksize); + return -1; + } + s->blocksize = fi.blocksize; + + if (fi.samplerate == 0) { + fi.samplerate = s->samplerate; + } else if (fi.samplerate != s->samplerate) { + audio_codec_print("sample rate changed from %d to %d\n", s->samplerate, fi.samplerate); + } + s->samplerate = s->avctx->sample_rate = fi.samplerate; + + + /* subframes */ + for (i = 0; i < s->channels; i++) { + if (decode_subframe(s, i) < 0) { + return -1; + } + } + + align_get_bits(gb); + + /* frame footer */ + skip_bits(gb, 16); /* data crc */ + + return 0; +} + +static inline int av_clipf1(float a, int amin, int amax) +{ + if (a < amin) { + return (int)amin; + } else if (a > amax) { + return (int)amax; + } else { + return (int)a; + } +} +int audio_dec_decode(audio_decoder_operations_t *adec_ops, char *outbuf, int *outlen, char *inbuf, int inlen) +{ + AVCodecContext *avctx = &acodec; + FLACContext *s = &flactext; + int i, j = 0, input_buf_size = 0, bytes_read = 0; + int16_t *samples_16 = (int16_t*)outbuf; + int32_t *samples_32 = (int32_t*)outbuf; + int output_size = 0; + unsigned char *buf; + unsigned buf_size; + int last_sync_pos = 0; + + unsigned int max_framesize = FFMAX(17 * s->max_framesize / 16 + 32, s->max_framesize); + if (inlen < max_framesize) { + int inbufindex = 0; + char *pinbufptr = inbuf; + char para = *(pinbufptr + 2); + int frame_num = 0; + + inbufindex += 11; + pinbufptr += 11; + while (inbufindex < inlen - FLAC_MIN_FRAME_SIZE + 2) { + if ((AV_RB16(pinbufptr) & 0xFFFF) != 0xFFF8 || AV_RB8(pinbufptr + 2) != para) { + pinbufptr++; + inbufindex++; + } else { + inlen = inbufindex; + frame_num++; + if (frame_num > 1) { + audio_codec_print("## next frame found, inbufindex=%d, frame_num=%d,-------\n", inbufindex, frame_num); + goto decodecontinue; + } + } + } + //audio_codec_print("##inlen=%d, diff=%d,-------------------\n", inlen, pinbufptr-inbuf); + return -1; + } + +decodecontinue: + s->bitstream = inbuf; + s->bitstream_size = inlen; + s->bitstream_index = 0; + + buf = s->bitstream; + buf_size = s->bitstream_size; + + /* check for inline header */ + if (AV_RB32(buf) == MKBETAG('f', 'L', 'a', 'C')) { + if (!s->got_streaminfo && parse_streaminfo(s, buf, buf_size)) { + audio_codec_print("invalid header\n"); + return -1; + } + bytes_read = get_metadata_size(buf, buf_size); + goto end; + } +FIND_SYNC_WORD: + /* check for frame sync code and resync stream if necessary */ + if ((AV_RB16(buf) & 0xFFFE) != 0xFFF8) { + const uint8_t *buf_end = buf + buf_size; + // av_log(s->avctx, AV_LOG_ERROR, "FRAME HEADER not here\n"); + while (buf + 2 < buf_end && (AV_RB16(buf) & 0xFFFE) != 0xFFF8) { + buf++; + last_sync_pos++; + } + bytes_read = buf_size - (buf_end - buf); + goto end; // we may not have enough bits left to decode a frame, so try next time + } + + /* decode frame */ + init_get_bits(&s->gb, buf, buf_size * 8); + if (decode_frame(s) < 0) { + audio_codec_print("decode_frame() failed\n"); + //some times , flac may seek to fake sync word pos, caused decode failed + //call resync to fix this issue + buf = s->bitstream + last_sync_pos + 1; + buf_size = s->bitstream_size - (last_sync_pos + 1); + last_sync_pos++; + goto FIND_SYNC_WORD; + } + bytes_read = (get_bits_count(&s->gb) + 7) / 8; + + /* check if allocated data size is large enough for output */ + output_size = s->blocksize * (s->channels > 2 ? 2 : s->channels) * (s->is32 ? 4 : 2); + if (output_size > DefaultOutBufSize) { + audio_codec_print("output data size is larger than allocated data size\n"); + goto end; + } + +#define DECORRELATE(left, right)\ + for (i = 0; i < s->blocksize; i++) {\ + int a= s->decoded[0][i];\ + int b= s->decoded[1][i];\ + if (s->is32) {\ + *samples_32++ = (left) << s->sample_shift;\ + *samples_32++ = (right) << s->sample_shift;\ + } else {\ + if (s->sample_shift >= 0) \ + {\ + *samples_16++ = (left) << s->sample_shift;\ + *samples_16++ = (right) << s->sample_shift;\ + }\ + else\ + {\ + *samples_16++ = (left) >> (-1*s->sample_shift);\ + *samples_16++ = (right) >> (-1*s->sample_shift);\ + }\ + }\ + }\ + break; + + switch (s->ch_mode) { + case FLAC_CHMODE_INDEPENDENT: + if (s->channels <= 2) { + for (j = 0; j < s->blocksize; j++) { + for (i = 0; i < s->channels; i++) { + if (s->is32) { + *samples_32++ = s->decoded[i][j] << s->sample_shift; + } else { + if (s->sample_shift >= 0) { + *samples_16++ = s->decoded[i][j] << s->sample_shift; + } else { + *samples_16++ = s->decoded[i][j] >> (-1 * s->sample_shift); + } + } + } + } + } else { + float sum0 = 0, sum1 = 0; + //downmix here + //FL + (sum of other surround channels >> 1) + //FR + (sum of other surround channels >> 1) + for (j = 0; j < s->blocksize; j++) { + if (s->is32) { + sum0 = s->decoded[0][j] << s->sample_shift; + sum1 = s->decoded[1][j] << s->sample_shift; + } else { + if (s->sample_shift >= 0) { + sum0 = s->decoded[0][j] << s->sample_shift; + sum1 = s->decoded[1][j] << s->sample_shift; + } else { + sum0 = s->decoded[0][j] >> (-1 * s->sample_shift); + sum1 = s->decoded[1][j] >> (-1 * s->sample_shift); + } + } + for (i = 2; i < s->channels; i++) { + if (s->is32) { + sum0 += (s->decoded[i][j] << s->sample_shift) >> 1; + sum1 += (s->decoded[i][j] << s->sample_shift) >> 1; + } else { + if (s->sample_shift >= 0) { + sum0 += (s->decoded[i][j] << s->sample_shift) >> 1; + sum1 += (s->decoded[i][j] << s->sample_shift) >> 1; + } else { + sum0 += (s->decoded[i][j] >> (-1 * s->sample_shift)) >> 1; + sum1 += (s->decoded[i][j] >> (-1 * s->sample_shift)) >> 1; + } + } + } + + if (s->is32) { + *samples_32++ = av_clipf1(sum0, -0x80000000, 0x7fffffff); + *samples_32++ = av_clipf1(sum1, -0x80000000, 0x7fffffff); + } else { + *samples_16++ = av_clipf1(sum0, -32768, 32767); + *samples_16++ = av_clipf1(sum1, -32768, 32767); + } + } + } + break; + case FLAC_CHMODE_LEFT_SIDE: + DECORRELATE(a, a - b) + case FLAC_CHMODE_RIGHT_SIDE: + DECORRELATE(a + b, b) + case FLAC_CHMODE_MID_SIDE: + DECORRELATE((a -= b >> 1) + b, a) + } + +end: + if (bytes_read > inlen) { + // av_log(s->avctx, AV_LOG_ERROR, "overread: %d\n", bytes_read - buf_size); + s->bitstream_size = 0; + s->bitstream_index = 0; + return -1; + } + + if (s->bitstream_size) { + s->bitstream_index += bytes_read; + s->bitstream_size -= bytes_read; + } + + *outlen = output_size; + + return bytes_read; +} + +int audio_dec_init(audio_decoder_operations_t *adec_ops) +{ + memset(&flactext , 0, sizeof(flactext)); + memset(&acodec, 0, sizeof(acodec)); + enum FLACExtradataFormat format; + uint8_t *streaminfo; + AVCodecContext *avctx = &acodec; + FLACContext *s = &flactext; + s->avctx = &acodec; + //audio_codec_print("\n\n[%s]BuildDate--%s BuildTime--%s", __FUNCTION__, __DATE__, __TIME__); + avctx->sample_fmt = SAMPLE_FMT_S16; + avctx->extradata = adec_ops->extradata; + avctx->extradata_size = adec_ops->extradata_size; + + if (!avctx->extradata_size) { + return 0; + } + if (!ff_flac_is_extradata_valid(avctx, &format, &streaminfo)) { + return -1; + } + + /* initialize based on the demuxer-supplied streamdata header */ + ff_flac_parse_streaminfo(avctx, (FLACStreaminfo *)s, streaminfo); + if (s->bps > 16) { + avctx->sample_fmt = SAMPLE_FMT_S32; + } else { + avctx->sample_fmt = SAMPLE_FMT_S16; + } + allocate_buffers(s); + s->got_streaminfo = 1; + avctx->channels = (avctx->channels > 2 ? 2 : avctx->channels); + audio_codec_print("applied flac sr %d,ch num %d\n", avctx->sample_rate, avctx->channels); + + adec_ops->nInBufSize = DefaultReadSize; + adec_ops->nOutBufSize = DefaultOutBufSize; + audio_codec_print("ape_Init.--------------------------------\n"); + + return 0; +} + +int audio_dec_release(audio_decoder_operations_t *adec_ops) +{ + int i; + audio_codec_print("audio_dec_release.--------------------------------\n"); + + if (outbuffer.outb == NULL) { + av_freep(&outbuffer.outb); + } + + for (i = 0; i < flactext.channels; i++) { + av_freep(&flactext.decoded[i]); + } + // av_free(flactext.bitstream); + + return 0; +} + +int audio_dec_getinfo(audio_decoder_operations_t *adec_ops, void *pAudioInfo) +{ + return 0; +} + diff --git a/audio_codec/libflac/flacdata.c b/audio_codec/libflac/flacdata.c new file mode 100644 index 0000000..2787e7b --- a/dev/null +++ b/audio_codec/libflac/flacdata.c @@ -0,0 +1,38 @@ +/* + * FLAC data + * Copyright (c) 2003 Alex Beregszaszi + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +#ifndef __MW__ +#include +#else +#include +#endif + + +const int ff_flac_sample_rate_table[16] = { + 0, + 88200, 176400, 192000, + 8000, 16000, 22050, 24000, 32000, 44100, 48000, 96000, + 0, 0, 0, 0 +}; + +const int16_t ff_flac_blocksize_table[16] = { + 0, 192, 576 << 0, 576 << 1, 576 << 2, 576 << 3, 0, 0, + 256 << 0, 256 << 1, 256 << 2, 256 << 3, 256 << 4, 256 << 5, 256 << 6, 256 << 7 +}; diff --git a/audio_codec/libflac/flacdata.h b/audio_codec/libflac/flacdata.h new file mode 100644 index 0000000..4dcd420 --- a/dev/null +++ b/audio_codec/libflac/flacdata.h @@ -0,0 +1,29 @@ +/* + * FLAC data header + * Copyright (c) 2003 Alex Beregszaszi + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_FLACDATA_H +#define AVCODEC_FLACDATA_H + +extern const int ff_flac_sample_rate_table[16]; + +extern const int16_t ff_flac_blocksize_table[16]; + +#endif /* AVCODEC_FLACDATA_H */ diff --git a/audio_codec/libflac/get_bits.h b/audio_codec/libflac/get_bits.h new file mode 100644 index 0000000..f1f6027 --- a/dev/null +++ b/audio_codec/libflac/get_bits.h @@ -0,0 +1,564 @@ +/* + * copyright (c) 2004 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file libavcodec/get_bits.h + * bitstream reader API header. + */ + +#ifndef AVCODEC_GET_BITS_H +#define AVCODEC_GET_BITS_H + +#include "mathops.h" +#include "bswap.h" +//#include +#include "intreadwrite.h" +//#include + +#include + +#define LOG_TAG "get_bits" + +#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__) +#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__) + +//goes the A32_BITSTREAM_READER passage +#if defined(ALT_BITSTREAM_READER_LE) && !defined(ALT_BITSTREAM_READER) +#define ALT_BITSTREAM_READER +#endif + +#if !defined(LIBMPEG2_BITSTREAM_READER) && !defined(A32_BITSTREAM_READER) && !defined(ALT_BITSTREAM_READER) +#if defined(ARCH_ARM) && !defined(HAVE_FAST_UNALIGNED) +#define A32_BITSTREAM_READER +#else +#define ALT_BITSTREAM_READER +//#define LIBMPEG2_BITSTREAM_READER +//#define A32_BITSTREAM_READER +#endif +#endif + +#define NEG_SSR32(a,s) ((( int32_t)(a))>>(32-(s))) +#define NEG_USR32(a,s) (((uint32_t)(a))>>(32-(s))) + +/* bit input */ +/* buffer, buffer_end and size_in_bits must be present and used by every reader */ +typedef struct GetBitContext { + const uint8_t *buffer, *buffer_end; +#ifdef ALT_BITSTREAM_READER + int index; +#elif defined LIBMPEG2_BITSTREAM_READER + uint8_t *buffer_ptr; + uint32_t cache; + int bit_count; +#elif defined A32_BITSTREAM_READER + uint32_t *buffer_ptr; + uint32_t cache0; + uint32_t cache1; + int bit_count; +#endif + int size_in_bits; +} GetBitContext; + + +/* Bitstream reader API docs: +name + arbitrary name which is used as prefix for the internal variables + +gb + getbitcontext + +OPEN_READER(name, gb) + loads gb into local variables + +CLOSE_READER(name, gb) + stores local vars in gb + +UPDATE_CACHE(name, gb) + refills the internal cache from the bitstream + after this call at least MIN_CACHE_BITS will be available, + +GET_CACHE(name, gb) + will output the contents of the internal cache, next bit is MSB of 32 or 64 bit (FIXME 64bit) + +SHOW_UBITS(name, gb, num) + will return the next num bits + +SHOW_SBITS(name, gb, num) + will return the next num bits and do sign extension + +SKIP_BITS(name, gb, num) + will skip over the next num bits + note, this is equivalent to SKIP_CACHE; SKIP_COUNTER + +SKIP_CACHE(name, gb, num) + will remove the next num bits from the cache (note SKIP_COUNTER MUST be called before UPDATE_CACHE / CLOSE_READER) + +SKIP_COUNTER(name, gb, num) + will increment the internal bit counter (see SKIP_CACHE & SKIP_BITS) + +LAST_SKIP_CACHE(name, gb, num) + will remove the next num bits from the cache if it is needed for UPDATE_CACHE otherwise it will do nothing + +LAST_SKIP_BITS(name, gb, num) + is equivalent to LAST_SKIP_CACHE; SKIP_COUNTER + +for examples see get_bits, show_bits, skip_bits, get_vlc +*/ + +#ifdef ALT_BITSTREAM_READER +#define MIN_CACHE_BITS 25 + +#define OPEN_READER(name, gb)\ + int name##_index= (gb)->index;\ + int name##_cache= 0;\ + +#define CLOSE_READER(name, gb)\ + (gb)->index= name##_index;\ + +#ifdef ALT_BITSTREAM_READER_LE +#define UPDATE_CACHE(name, gb)\ + name##_cache= AV_RL32( ((const uint8_t *)(gb)->buffer)+(name##_index>>3) ) >> (name##_index&0x07);\ + +#define SKIP_CACHE(name, gb, num)\ + name##_cache >>= (num); +#else +#define UPDATE_CACHE(name, gb)\ + name##_cache= AV_RB32( ((const uint8_t *)(gb)->buffer)+(name##_index>>3) ) << (name##_index&0x07);\ + +#define SKIP_CACHE(name, gb, num)\ + name##_cache <<= (num); +#endif + +// FIXME name? +#define SKIP_COUNTER(name, gb, num)\ + name##_index += (num);\ + +#define SKIP_BITS(name, gb, num)\ + {\ + SKIP_CACHE(name, gb, num)\ + SKIP_COUNTER(name, gb, num)\ + }\ + +#define LAST_SKIP_BITS(name, gb, num) SKIP_COUNTER(name, gb, num) +#define LAST_SKIP_CACHE(name, gb, num) ; + +#ifdef ALT_BITSTREAM_READER_LE +#define SHOW_UBITS(name, gb, num)\ + ((name##_cache) & (NEG_USR32(0xffffffff,num))) + +#define SHOW_SBITS(name, gb, num)\ + NEG_SSR32((name##_cache)<<(32-(num)), num) +#else +#define SHOW_UBITS(name, gb, num)\ + NEG_USR32(name##_cache, num) + +#define SHOW_SBITS(name, gb, num)\ + NEG_SSR32(name##_cache, num) +#endif + +#define GET_CACHE(name, gb)\ + ((uint32_t)name##_cache) + +static inline int get_bits_count(GetBitContext *s) +{ + return s->index; +} + +static inline void skip_bits_long(GetBitContext *s, int n) +{ + s->index += n; +} + +#elif defined LIBMPEG2_BITSTREAM_READER +//libmpeg2 like reader + +#define MIN_CACHE_BITS 17 + +#define OPEN_READER(name, gb)\ + int name##_bit_count=(gb)->bit_count;\ + int name##_cache= (gb)->cache;\ + uint8_t * name##_buffer_ptr=(gb)->buffer_ptr;\ + +#define CLOSE_READER(name, gb)\ + (gb)->bit_count= name##_bit_count;\ + (gb)->cache= name##_cache;\ + (gb)->buffer_ptr= name##_buffer_ptr;\ + +#define UPDATE_CACHE(name, gb)\ + if(name##_bit_count >= 0){\ + name##_cache+= AV_RB16(name##_buffer_ptr) << name##_bit_count; \ + name##_buffer_ptr+=2;\ + name##_bit_count-= 16;\ + }\ + +#define SKIP_CACHE(name, gb, num)\ + name##_cache <<= (num);\ + +#define SKIP_COUNTER(name, gb, num)\ + name##_bit_count += (num);\ + +#define SKIP_BITS(name, gb, num)\ + {\ + SKIP_CACHE(name, gb, num)\ + SKIP_COUNTER(name, gb, num)\ + }\ + +#define LAST_SKIP_BITS(name, gb, num) SKIP_BITS(name, gb, num) +#define LAST_SKIP_CACHE(name, gb, num) SKIP_CACHE(name, gb, num) + +#define SHOW_UBITS(name, gb, num)\ + NEG_USR32(name##_cache, num) + +#define SHOW_SBITS(name, gb, num)\ + NEG_SSR32(name##_cache, num) + +#define GET_CACHE(name, gb)\ + ((uint32_t)name##_cache) + +static inline int get_bits_count(GetBitContext *s) +{ + return (s->buffer_ptr - s->buffer) * 8 - 16 + s->bit_count; +} + +static inline void skip_bits_long(GetBitContext *s, int n) +{ + OPEN_READER(re, s) + re_bit_count += n; + re_buffer_ptr += 2 * (re_bit_count >> 4); + re_bit_count &= 15; + re_cache = ((re_buffer_ptr[-2] << 8) + re_buffer_ptr[-1]) << (16 + re_bit_count); + UPDATE_CACHE(re, s) + CLOSE_READER(re, s) +} + +#elif defined A32_BITSTREAM_READER + +#define MIN_CACHE_BITS 32 + +#define OPEN_READER(name, gb)\ + int name##_bit_count=(gb)->bit_count;\ + uint32_t name##_cache0= (gb)->cache0;\ + uint32_t name##_cache1= (gb)->cache1;\ + uint32_t * name##_buffer_ptr=(gb)->buffer_ptr;\ + +#define CLOSE_READER(name, gb)\ + (gb)->bit_count= name##_bit_count;\ + (gb)->cache0= name##_cache0;\ + (gb)->cache1= name##_cache1;\ + (gb)->buffer_ptr= name##_buffer_ptr;\ + +#define UPDATE_CACHE(name, gb)\ + if(name##_bit_count > 0){\ + const uint32_t next= be2me_32( *name##_buffer_ptr );\ + name##_cache0 |= NEG_USR32(next,name##_bit_count);\ + name##_cache1 |= next<buffer_ptr - s->buffer) * 8 - 32 + s->bit_count; +} + +static inline void skip_bits_long(GetBitContext *s, int n) +{ + OPEN_READER(re, s) + re_bit_count += n; + re_buffer_ptr += re_bit_count >> 5; + re_bit_count &= 31; + re_cache0 = be2me_32(re_buffer_ptr[-1]) << re_bit_count; + re_cache1 = 0; + UPDATE_CACHE(re, s) + CLOSE_READER(re, s) +} + +#endif + +/** + * read mpeg1 dc style vlc (sign bit + mantisse with no MSB). + * if MSB not set it is negative + * @param n length in bits + * @author BERO + */ +static inline int get_xbits(GetBitContext *s, int n) +{ + register int sign; + register int32_t cache; + OPEN_READER(re, s) + UPDATE_CACHE(re, s) + cache = GET_CACHE(re, s); + sign = (~cache) >> 31; + LAST_SKIP_BITS(re, s, n) + CLOSE_READER(re, s) + return (NEG_USR32(sign ^ cache, n) ^ sign) - sign; +} + +static inline int get_sbits(GetBitContext *s, int n) +{ + register int tmp; + OPEN_READER(re, s) + UPDATE_CACHE(re, s) + tmp = SHOW_SBITS(re, s, n); + LAST_SKIP_BITS(re, s, n) + CLOSE_READER(re, s) + return tmp; +} + +/** + * reads 1-17 bits. + * Note, the alt bitstream reader can read up to 25 bits, but the libmpeg2 reader can't + */ +static inline unsigned int get_bits(GetBitContext *s, int n) +{ + register int tmp; + OPEN_READER(re, s) + UPDATE_CACHE(re, s) + tmp = SHOW_UBITS(re, s, n); + LAST_SKIP_BITS(re, s, n) + CLOSE_READER(re, s) + return tmp; +} + +/** + * shows 1-17 bits. + * Note, the alt bitstream reader can read up to 25 bits, but the libmpeg2 reader can't + */ +static inline unsigned int show_bits(GetBitContext *s, int n) +{ + register int tmp; + OPEN_READER(re, s) + UPDATE_CACHE(re, s) + tmp = SHOW_UBITS(re, s, n); + // CLOSE_READER(re, s) + return tmp; +} + +static inline void skip_bits(GetBitContext *s, int n) +{ + //Note gcc seems to optimize this to s->index+=n for the ALT_READER :)) + OPEN_READER(re, s) + UPDATE_CACHE(re, s) + LAST_SKIP_BITS(re, s, n) + CLOSE_READER(re, s) +} + +static inline unsigned int get_bits1(GetBitContext *s) +{ +#ifdef ALT_BITSTREAM_READER + int index = s->index; + uint8_t result = s->buffer[ index >> 3 ]; +#ifdef ALT_BITSTREAM_READER_LE + result >>= (index & 0x07); + result &= 1; +#else + result <<= (index & 0x07); + result >>= 8 - 1; +#endif + index++; + s->index = index; + + return result; +#else + return get_bits(s, 1); +#endif +} + +static inline unsigned int show_bits1(GetBitContext *s) +{ + return show_bits(s, 1); +} + +static inline void skip_bits1(GetBitContext *s) +{ + skip_bits(s, 1); +} + +/** + * reads 0-32 bits. + */ +static inline unsigned int get_bits_long(GetBitContext *s, int n) +{ + if (n <= 17) { + return get_bits(s, n); + } else { +#ifdef ALT_BITSTREAM_READER_LE + int ret = get_bits(s, 16); + return ret | (get_bits(s, n - 16) << 16); +#else + int ret = get_bits(s, 16) << (n - 16); + return ret | get_bits(s, n - 16); +#endif + } +} + +/** + * reads 0-32 bits as a signed integer. + */ +static inline int get_sbits_long(GetBitContext *s, int n) +{ + return sign_extend(get_bits_long(s, n), n); +} + +/** + * shows 0-32 bits. + */ +static inline unsigned int show_bits_long(GetBitContext *s, int n) +{ + if (n <= 17) { + return show_bits(s, n); + } else { + GetBitContext gb = *s; + return get_bits_long(&gb, n); + } +} + +static inline int check_marker(GetBitContext *s, const char *msg) +{ + int bit = get_bits1(s); + if (!bit) { + LOGD("Marker bit missing %s\n", msg); + } + + return bit; +} + +/** + * init GetBitContext. + * @param buffer bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE bytes larger then the actual read bits + * because some optimized bitstream readers read 32 or 64 bit at once and could read over the end + * @param bit_size the size of the buffer in bits + * + * While GetBitContext stores the buffer size, for performance reasons you are + * responsible for checking for the buffer end yourself (take advantage of the padding)! + */ +static inline void init_get_bits(GetBitContext *s, + const uint8_t *buffer, int bit_size) +{ + int buffer_size = (bit_size + 7) >> 3; + if (buffer_size < 0 || bit_size < 0) { + buffer_size = bit_size = 0; + buffer = NULL; + } + + s->buffer = buffer; + s->size_in_bits = bit_size; + s->buffer_end = buffer + buffer_size; +#ifdef ALT_BITSTREAM_READER + s->index = 0; +#elif defined LIBMPEG2_BITSTREAM_READER + s->buffer_ptr = (uint8_t*)((intptr_t)buffer & (~1)); + s->bit_count = 16 + 8 * ((intptr_t)buffer & 1); + skip_bits_long(s, 0); +#elif defined A32_BITSTREAM_READER + s->buffer_ptr = (uint32_t*)((intptr_t)buffer & (~3)); + s->bit_count = 32 + 8 * ((intptr_t)buffer & 3); + skip_bits_long(s, 0); +#endif +} + +static inline void align_get_bits(GetBitContext *s) +{ + int n = (-get_bits_count(s)) & 7; + if (n) { + skip_bits(s, n); + } +} + +//#define TRACE + +#ifdef TRACE +static inline void print_bin(int bits, int n) +{ + int i; + + for (i = n - 1; i >= 0; i--) { + LOGD("%d", (bits >> i) & 1); + } + for (i = n; i < 24; i++) { + LOGD(" "); + } +} + +static inline int get_bits_trace(GetBitContext *s, int n, char *file, const char *func, int line) +{ + int r = get_bits(s, n); + + print_bin(r, n); + LOGD("%5d %2d %3d bit @%5d in %s %s:%d\n", r, n, r, get_bits_count(s) - n, file, func, line); + return r; +} +static inline int get_xbits_trace(GetBitContext *s, int n, char *file, const char *func, int line) +{ + int show = show_bits(s, n); + int r = get_xbits(s, n); + + print_bin(show, n); + LOGD("%5d %2d %3d xbt @%5d in %s %s:%d\n", show, n, r, get_bits_count(s) - n, file, func, line); + return r; +} + +#define get_bits(s, n) get_bits_trace(s, n, __FILE__, __PRETTY_FUNCTION__, __LINE__) +#define get_bits1(s) get_bits_trace(s, 1, __FILE__, __PRETTY_FUNCTION__, __LINE__) +#define get_xbits(s, n) get_xbits_trace(s, n, __FILE__, __PRETTY_FUNCTION__, __LINE__) +#endif + +static inline int get_bits_left(GetBitContext *gb) +{ + return gb->size_in_bits - get_bits_count(gb); +} + +#endif /* AVCODEC_GET_BITS_H */ diff --git a/audio_codec/libflac/golomb.h b/audio_codec/libflac/golomb.h new file mode 100644 index 0000000..248bfc2 --- a/dev/null +++ b/audio_codec/libflac/golomb.h @@ -0,0 +1,585 @@ +/* + * exp golomb vlc stuff + * Copyright (c) 2003 Michael Niedermayer + * Copyright (c) 2004 Alex Beregszaszi + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file libavcodec/golomb.h + * @brief + * exp golomb vlc stuff + * @author Michael Niedermayer and Alex Beregszaszi + */ + +#ifndef AVCODEC_GOLOMB_H +#define AVCODEC_GOLOMB_H + +#ifndef __MW__ +#include +#endif +#include "get_bits.h" +//#include "put_bits.h" + +#include + +#define INVALID_VLC 0x80000000 +#ifndef __MW__ +extern const uint8_t ff_golomb_vlc_len[512]; +extern const uint8_t ff_ue_golomb_vlc_code[512]; +extern const int8_t ff_se_golomb_vlc_code[512]; +extern const uint8_t ff_ue_golomb_len[256]; + +extern const uint8_t ff_interleaved_golomb_vlc_len[256]; +extern const uint8_t ff_interleaved_ue_golomb_vlc_code[256]; +extern const int8_t ff_interleaved_se_golomb_vlc_code[256]; +extern const uint8_t ff_interleaved_dirac_golomb_vlc_code[256]; + + +/** +* read unsigned exp golomb code. +*/ +static inline int get_ue_golomb(GetBitContext *gb) +{ + unsigned int buf; + int log; + + OPEN_READER(re, gb); + UPDATE_CACHE(re, gb); + buf = GET_CACHE(re, gb); + + if (buf >= (1 << 27)) { + buf >>= 32 - 9; + LAST_SKIP_BITS(re, gb, ff_golomb_vlc_len[buf]); + CLOSE_READER(re, gb); + + return ff_ue_golomb_vlc_code[buf]; + } else { + log = 2 * av_log2(buf) - 31; + buf >>= log; + buf--; + LAST_SKIP_BITS(re, gb, 32 - log); + CLOSE_READER(re, gb); + + return buf; + } +} + +/** +* read unsigned exp golomb code, constraint to a max of 31. +* the return value is undefined if the stored value exceeds 31. +*/ +static inline int get_ue_golomb_31(GetBitContext *gb) +{ + unsigned int buf; + + OPEN_READER(re, gb); + UPDATE_CACHE(re, gb); + buf = GET_CACHE(re, gb); + + buf >>= 32 - 9; + LAST_SKIP_BITS(re, gb, ff_golomb_vlc_len[buf]); + CLOSE_READER(re, gb); + + return ff_ue_golomb_vlc_code[buf]; +} + +static inline int svq3_get_ue_golomb(GetBitContext *gb) +{ + uint32_t buf; + + OPEN_READER(re, gb); + UPDATE_CACHE(re, gb); + buf = GET_CACHE(re, gb); + + if (buf & 0xAA800000) { + buf >>= 32 - 8; + LAST_SKIP_BITS(re, gb, ff_interleaved_golomb_vlc_len[buf]); + CLOSE_READER(re, gb); + + return ff_interleaved_ue_golomb_vlc_code[buf]; + } else { + int ret = 1; + + while (1) { + buf >>= 32 - 8; + LAST_SKIP_BITS(re, gb, FFMIN(ff_interleaved_golomb_vlc_len[buf], 8)); + + if (ff_interleaved_golomb_vlc_len[buf] != 9) { + ret <<= (ff_interleaved_golomb_vlc_len[buf] - 1) >> 1; + ret |= ff_interleaved_dirac_golomb_vlc_code[buf]; + break; + } + ret = (ret << 4) | ff_interleaved_dirac_golomb_vlc_code[buf]; + UPDATE_CACHE(re, gb); + buf = GET_CACHE(re, gb); + } + + CLOSE_READER(re, gb); + return ret - 1; + } +} + +/** + * read unsigned truncated exp golomb code. + */ +static inline int get_te0_golomb(GetBitContext *gb, int range) +{ + assert(range >= 1); + + if (range == 1) { + return 0; + } else if (range == 2) { + return get_bits1(gb) ^ 1; + } else { + return get_ue_golomb(gb); + } +} + +/** + * read unsigned truncated exp golomb code. + */ +static inline int get_te_golomb(GetBitContext *gb, int range) +{ + assert(range >= 1); + + if (range == 2) { + return get_bits1(gb) ^ 1; + } else { + return get_ue_golomb(gb); + } +} + + +/** + * read signed exp golomb code. + */ +static inline int get_se_golomb(GetBitContext *gb) +{ + unsigned int buf; + int log; + + OPEN_READER(re, gb); + UPDATE_CACHE(re, gb); + buf = GET_CACHE(re, gb); + + if (buf >= (1 << 27)) { + buf >>= 32 - 9; + LAST_SKIP_BITS(re, gb, ff_golomb_vlc_len[buf]); + CLOSE_READER(re, gb); + + return ff_se_golomb_vlc_code[buf]; + } else { + log = 2 * av_log2(buf) - 31; + buf >>= log; + + LAST_SKIP_BITS(re, gb, 32 - log); + CLOSE_READER(re, gb); + + if (buf & 1) { + buf = -(buf >> 1); + } else { + buf = (buf >> 1); + } + + return buf; + } +} + +static inline int svq3_get_se_golomb(GetBitContext *gb) +{ + unsigned int buf; + int log; + + OPEN_READER(re, gb); + UPDATE_CACHE(re, gb); + buf = GET_CACHE(re, gb); + + if (buf & 0xAA800000) { + buf >>= 32 - 8; + LAST_SKIP_BITS(re, gb, ff_interleaved_golomb_vlc_len[buf]); + CLOSE_READER(re, gb); + + return ff_interleaved_se_golomb_vlc_code[buf]; + } else { + LAST_SKIP_BITS(re, gb, 8); + UPDATE_CACHE(re, gb); + buf |= 1 | (GET_CACHE(re, gb) >> 8); + + if ((buf & 0xAAAAAAAA) == 0) { + return INVALID_VLC; + } + + for (log = 31; (buf & 0x80000000) == 0; log--) { + buf = (buf << 2) - ((buf << log) >> (log - 1)) + (buf >> 30); + } + + LAST_SKIP_BITS(re, gb, 63 - 2 * log - 8); + CLOSE_READER(re, gb); + + return (signed)(((((buf << log) >> log) - 1) ^ -(buf & 0x1)) + 1) >> 1; + } +} + +static inline int dirac_get_se_golomb(GetBitContext *gb) +{ + uint32_t buf; + uint32_t ret; + + ret = svq3_get_ue_golomb(gb); + + if (ret) { + OPEN_READER(re, gb); + UPDATE_CACHE(re, gb); + buf = SHOW_SBITS(re, gb, 1); + LAST_SKIP_BITS(re, gb, 1); + ret = (ret ^ buf) - buf; + CLOSE_READER(re, gb); + } + + return ret; +} +#endif + +/** + * read unsigned golomb rice code (ffv1). + */ +static inline int get_ur_golomb(GetBitContext *gb, int k, int limit, int esc_len) +{ + unsigned int buf; + int log; + + OPEN_READER(re, gb); + UPDATE_CACHE(re, gb); + buf = GET_CACHE(re, gb); + + log = av_log2(buf); + + if (log > 31 - limit) { + buf >>= log - k; + buf += (30 - log) << k; + LAST_SKIP_BITS(re, gb, 32 + k - log); + CLOSE_READER(re, gb); + + return buf; + } else { + LAST_SKIP_BITS(re, gb, limit); + UPDATE_CACHE(re, gb); + + buf = SHOW_UBITS(re, gb, esc_len); + + LAST_SKIP_BITS(re, gb, esc_len); + CLOSE_READER(re, gb); + + return buf + limit - 1; + } +} + +/** + * read unsigned golomb rice code (jpegls). + */ +static inline int get_ur_golomb_jpegls(GetBitContext *gb, int k, int limit, int esc_len) +{ + unsigned int buf; + int log; + + OPEN_READER(re, gb); + UPDATE_CACHE(re, gb); + buf = GET_CACHE(re, gb); + + log = av_log2(buf); + + if (log - k >= 32 - MIN_CACHE_BITS + (MIN_CACHE_BITS == 32) && 32 - log < limit) { + buf >>= log - k; + buf += (30 - log) << k; + LAST_SKIP_BITS(re, gb, 32 + k - log); + CLOSE_READER(re, gb); + + return buf; + } else { + int i; + for (i = 0; SHOW_UBITS(re, gb, 1) == 0; i++) { + LAST_SKIP_BITS(re, gb, 1); + UPDATE_CACHE(re, gb); + } + SKIP_BITS(re, gb, 1); + + if (i < limit - 1) { + if (k) { + buf = SHOW_UBITS(re, gb, k); + LAST_SKIP_BITS(re, gb, k); + } else { + buf = 0; + } + + CLOSE_READER(re, gb); + return buf + (i << k); + } else if (i == limit - 1) { + buf = SHOW_UBITS(re, gb, esc_len); + LAST_SKIP_BITS(re, gb, esc_len); + CLOSE_READER(re, gb); + + return buf + 1; + } else { + return -1; + } + } +} + +/** + * read signed golomb rice code (ffv1). + */ +static inline int get_sr_golomb(GetBitContext *gb, int k, int limit, int esc_len) +{ + int v = get_ur_golomb(gb, k, limit, esc_len); + + v++; + if (v & 1) { + return v >> 1; + } else { + return -(v >> 1); + } + + // return (v>>1) ^ -(v&1); +} + +/** + * read signed golomb rice code (flac). + */ +static inline int get_sr_golomb_flac(GetBitContext *gb, int k, int limit, int esc_len) +{ + int v = get_ur_golomb_jpegls(gb, k, limit, esc_len); + return (v >> 1) ^ -(v & 1); +} + +/** + * read unsigned golomb rice code (shorten). + */ +static inline unsigned int get_ur_golomb_shorten(GetBitContext *gb, int k) +{ + return get_ur_golomb_jpegls(gb, k, INT_MAX, 0); +} + +/** + * read signed golomb rice code (shorten). + */ +static inline int get_sr_golomb_shorten(GetBitContext* gb, int k) +{ + int uvar = get_ur_golomb_jpegls(gb, k + 1, INT_MAX, 0); + if (uvar & 1) { + return ~(uvar >> 1); + } else { + return uvar >> 1; + } +} + + + +#ifdef TRACE + +static inline int get_ue(GetBitContext *s, char *file, const char *func, int line) +{ + int show = show_bits(s, 24); + int pos = get_bits_count(s); + int i = get_ue_golomb(s); + int len = get_bits_count(s) - pos; + int bits = show >> (24 - len); + + print_bin(bits, len); + + av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d ue @%5d in %s %s:%d\n", bits, len, i, pos, file, func, line); + + return i; +} + +static inline int get_se(GetBitContext *s, char *file, const char *func, int line) +{ + int show = show_bits(s, 24); + int pos = get_bits_count(s); + int i = get_se_golomb(s); + int len = get_bits_count(s) - pos; + int bits = show >> (24 - len); + + print_bin(bits, len); + + av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d se @%5d in %s %s:%d\n", bits, len, i, pos, file, func, line); + + return i; +} + +static inline int get_te(GetBitContext *s, int r, char *file, const char *func, int line) +{ + int show = show_bits(s, 24); + int pos = get_bits_count(s); + int i = get_te0_golomb(s, r); + int len = get_bits_count(s) - pos; + int bits = show >> (24 - len); + + print_bin(bits, len); + + av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d te @%5d in %s %s:%d\n", bits, len, i, pos, file, func, line); + + return i; +} + +#define get_ue_golomb(a) get_ue(a, __FILE__, __PRETTY_FUNCTION__, __LINE__) +#define get_se_golomb(a) get_se(a, __FILE__, __PRETTY_FUNCTION__, __LINE__) +#define get_te_golomb(a, r) get_te(a, r, __FILE__, __PRETTY_FUNCTION__, __LINE__) +#define get_te0_golomb(a, r) get_te(a, r, __FILE__, __PRETTY_FUNCTION__, __LINE__) + +#endif + +#if 0 +/** + * write unsigned exp golomb code. + */ +static inline void set_ue_golomb(PutBitContext *pb, int i) +{ + int e; + + assert(i >= 0); + +#if 0 + if (i = 0) { + put_bits(pb, 1, 1); + return; + } +#endif + if (i < 256) { + put_bits(pb, ff_ue_golomb_len[i], i + 1); + } else { + e = av_log2(i + 1); + + put_bits(pb, 2 * e + 1, i + 1); + } +} + +/** + * write truncated unsigned exp golomb code. + */ +static inline void set_te_golomb(PutBitContext *pb, int i, int range) +{ + assert(range >= 1); + assert(i <= range); + + if (range == 2) { + put_bits(pb, 1, i ^ 1); + } else { + set_ue_golomb(pb, i); + } +} + +/** + * write signed exp golomb code. 16 bits at most. + */ +static inline void set_se_golomb(PutBitContext *pb, int i) +{ + // if (i>32767 || i<-32767) + // av_log(NULL,AV_LOG_ERROR,"value out of range %d\n", i); +#if 0 + if (i <= 0) { + i = -2 * i; + } else { + i = 2 * i - 1; + } +#elif 1 + i = 2 * i - 1; + if (i < 0) { + i ^= -1; //FIXME check if gcc does the right thing + } +#else + i = 2 * i - 1; + i ^= (i >> 31); +#endif + set_ue_golomb(pb, i); +} + +/** + * write unsigned golomb rice code (ffv1). + */ +static inline void set_ur_golomb(PutBitContext *pb, int i, int k, int limit, int esc_len) +{ + int e; + + assert(i >= 0); + + e = i >> k; + if (e < limit) { + put_bits(pb, e + k + 1, (1 << k) + (i & ((1 << k) - 1))); + } else { + put_bits(pb, limit + esc_len, i - limit + 1); + } +} + +/** + * write unsigned golomb rice code (jpegls). + */ +static inline void set_ur_golomb_jpegls(PutBitContext *pb, int i, int k, int limit, int esc_len) +{ + int e; + + assert(i >= 0); + + e = (i >> k) + 1; + if (e < limit) { + while (e > 31) { + put_bits(pb, 31, 0); + e -= 31; + } + put_bits(pb, e, 1); + if (k) { + put_sbits(pb, k, i); + } + } else { + while (limit > 31) { + put_bits(pb, 31, 0); + limit -= 31; + } + put_bits(pb, limit , 1); + put_bits(pb, esc_len, i - 1); + } +} + +/** + * write signed golomb rice code (ffv1). + */ +static inline void set_sr_golomb(PutBitContext *pb, int i, int k, int limit, int esc_len) +{ + int v; + + v = -2 * i - 1; + v ^= (v >> 31); + + set_ur_golomb(pb, v, k, limit, esc_len); +} + +/** + * write signed golomb rice code (flac). + */ +static inline void set_sr_golomb_flac(PutBitContext *pb, int i, int k, int limit, int esc_len) +{ + int v; + + v = -2 * i - 1; + v ^= (v >> 31); + + set_ur_golomb_jpegls(pb, v, k, limit, esc_len); +} +#endif + +#endif /* AVCODEC_GOLOMB_H */ diff --git a/audio_codec/libflac/internal.h b/audio_codec/libflac/internal.h new file mode 100644 index 0000000..daa5a61 --- a/dev/null +++ b/audio_codec/libflac/internal.h @@ -0,0 +1,195 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file libavutil/internal.h + * common internal API header + */ + +#ifndef AVUTIL_INTERNAL_H +#define AVUTIL_INTERNAL_H + +#if !defined(DEBUG) && !defined(NDEBUG) +# define NDEBUG +#endif + +#include +#include "common.h" + +#ifndef attribute_align_arg +#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(4,2) +# define attribute_align_arg __attribute__((force_align_arg_pointer)) +#else +# define attribute_align_arg +#endif +#endif + +#ifndef attribute_used +#if AV_GCC_VERSION_AT_LEAST(3,1) +# define attribute_used __attribute__((used)) +#else +# define attribute_used +#endif +#endif + +#ifndef INT16_MIN +#define INT16_MIN (-0x7fff - 1) +#endif + +#ifndef INT16_MAX +#define INT16_MAX 0x7fff +#endif + +#ifndef INT32_MIN +#define INT32_MIN (-0x7fffffff - 1) +#endif + +#ifndef INT32_MAX +#define INT32_MAX 0x7fffffff +#endif + +#ifndef UINT32_MAX +#define UINT32_MAX 0xffffffff +#endif + +#ifndef INT64_MIN +#define INT64_MIN (-0x7fffffffffffffffLL - 1) +#endif + +#ifndef INT64_MAX +#define INT64_MAX INT64_C(9223372036854775807) +#endif + +#ifndef UINT64_MAX +#define UINT64_MAX UINT64_C(0xFFFFFFFFFFFFFFFF) +#endif + +#ifndef INT_BIT +# define INT_BIT (CHAR_BIT * sizeof(int)) +#endif + +#ifndef offsetof +# define offsetof(T, F) ((unsigned int)((char *)&((T *)0)->F)) +#endif + +/* Use to export labels from asm. */ +#define LABEL_MANGLE(a) EXTERN_PREFIX #a + +// Use rip-relative addressing if compiling PIC code on x86-64. +#if ARCH_X86_64 && defined(PIC) +# define LOCAL_MANGLE(a) #a "(%%rip)" +#else +# define LOCAL_MANGLE(a) #a +#endif + +#define MANGLE(a) EXTERN_PREFIX LOCAL_MANGLE(a) + +/* math */ + +extern const uint32_t ff_inverse[257]; + +#if CONFIG_FASTDIV +#define FASTDIV(a,b) ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32)) +#else +#define FASTDIV(a,b) ((a) / (b)) +#endif + +extern const uint8_t ff_sqrt_tab[256]; + +static inline av_const unsigned int ff_sqrt(unsigned int a) +{ + unsigned int b; + + if (a < 255) { + return (ff_sqrt_tab[a + 1] - 1) >> 4; + } else if (a < (1 << 12)) { + b = ff_sqrt_tab[a >> 4] >> 2; + } +#if !CONFIG_SMALL + else if (a < (1 << 14)) { + b = ff_sqrt_tab[a >> 6] >> 1; + } else if (a < (1 << 16)) { + b = ff_sqrt_tab[a >> 8] ; + } +#endif + else { + int s = av_log2_16bit(a >> 16) >> 1; + unsigned int c = a >> (s + 2); + b = ff_sqrt_tab[c >> (s + 8)]; + b = FASTDIV(c, b) + (b << s); + } + + return b - (a < b * b); +} + +#if ARCH_X86 +#define MASK_ABS(mask, level)\ + __asm__ volatile(\ + "cltd \n\t"\ + "xorl %1, %0 \n\t"\ + "subl %1, %0 \n\t"\ + : "+a" (level), "=&d" (mask)\ + ); +#else +#define MASK_ABS(mask, level)\ + mask = level >> 31;\ + level = (level ^ mask) - mask; +#endif + +#if HAVE_CMOV +#define COPY3_IF_LT(x, y, a, b, c, d)\ +__asm__ volatile(\ + "cmpl %0, %3 \n\t"\ + "cmovl %3, %0 \n\t"\ + "cmovl %4, %1 \n\t"\ + "cmovl %5, %2 \n\t"\ + : "+&r" (x), "+&r" (a), "+r" (c)\ + : "r" (y), "r" (b), "r" (d)\ +); +#else +#define COPY3_IF_LT(x, y, a, b, c, d)\ +if ((y) < (x)) {\ + (x) = (y);\ + (a) = (b);\ + (c) = (d);\ +} +#endif + +#define FF_ALLOC_OR_GOTO(ctx, p, size, label)\ +{\ + p = av_malloc(size);\ + if (p == NULL && (size) != 0) {\ + av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ + goto label;\ + }\ +} + +#define FF_ALLOCZ_OR_GOTO(ctx, p, size, label)\ +{\ + p = av_mallocz(size);\ + if (p == NULL && (size) != 0) {\ + av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ + goto label;\ + }\ +} + +#define NULL_IF_CONFIG_SMALL(x) x + +#endif /* AVUTIL_INTERNAL_H */ diff --git a/audio_codec/libflac/intreadwrite.h b/audio_codec/libflac/intreadwrite.h new file mode 100644 index 0000000..57eaf30 --- a/dev/null +++ b/audio_codec/libflac/intreadwrite.h @@ -0,0 +1,390 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_INTREADWRITE_H +#define AVUTIL_INTREADWRITE_H +#ifndef __MW__ +#include +#endif +#include "bswap.h" + +/* + * Map AV_RNXX <-> AV_R[BL]XX for all variants provided by per-arch headers. + */ + +#if HAVE_BIGENDIAN + +# if defined(AV_RN16) && !defined(AV_RB16) +# define AV_RB16(p) AV_RN16(p) +# elif !defined(AV_RN16) && defined(AV_RB16) +# define AV_RN16(p) AV_RB16(p) +# endif + +# if defined(AV_WN16) && !defined(AV_WB16) +# define AV_WB16(p, v) AV_WN16(p, v) +# elif !defined(AV_WN16) && defined(AV_WB16) +# define AV_WN16(p, v) AV_WB16(p, v) +# endif + +# if defined(AV_RN24) && !defined(AV_RB24) +# define AV_RB24(p) AV_RN24(p) +# elif !defined(AV_RN24) && defined(AV_RB24) +# define AV_RN24(p) AV_RB24(p) +# endif + +# if defined(AV_WN24) && !defined(AV_WB24) +# define AV_WB24(p, v) AV_WN24(p, v) +# elif !defined(AV_WN24) && defined(AV_WB24) +# define AV_WN24(p, v) AV_WB24(p, v) +# endif + +# if defined(AV_RN32) && !defined(AV_RB32) +# define AV_RB32(p) AV_RN32(p) +# elif !defined(AV_RN32) && defined(AV_RB32) +# define AV_RN32(p) AV_RB32(p) +# endif + +# if defined(AV_WN32) && !defined(AV_WB32) +# define AV_WB32(p, v) AV_WN32(p, v) +# elif !defined(AV_WN32) && defined(AV_WB32) +# define AV_WN32(p, v) AV_WB32(p, v) +# endif + +# if defined(AV_RN64) && !defined(AV_RB64) +# define AV_RB64(p) AV_RN64(p) +# elif !defined(AV_RN64) && defined(AV_RB64) +# define AV_RN64(p) AV_RB64(p) +# endif + +# if defined(AV_WN64) && !defined(AV_WB64) +# define AV_WB64(p, v) AV_WN64(p, v) +# elif !defined(AV_WN64) && defined(AV_WB64) +# define AV_WN64(p, v) AV_WB64(p, v) +# endif + +#else /* HAVE_BIGENDIAN */ + +# if defined(AV_RN16) && !defined(AV_RL16) +# define AV_RL16(p) AV_RN16(p) +# elif !defined(AV_RN16) && defined(AV_RL16) +# define AV_RN16(p) AV_RL16(p) +# endif + +# if defined(AV_WN16) && !defined(AV_WL16) +# define AV_WL16(p, v) AV_WN16(p, v) +# elif !defined(AV_WN16) && defined(AV_WL16) +# define AV_WN16(p, v) AV_WL16(p, v) +# endif + +# if defined(AV_RN24) && !defined(AV_RL24) +# define AV_RL24(p) AV_RN24(p) +# elif !defined(AV_RN24) && defined(AV_RL24) +# define AV_RN24(p) AV_RL24(p) +# endif + +# if defined(AV_WN24) && !defined(AV_WL24) +# define AV_WL24(p, v) AV_WN24(p, v) +# elif !defined(AV_WN24) && defined(AV_WL24) +# define AV_WN24(p, v) AV_WL24(p, v) +# endif + +# if defined(AV_RN32) && !defined(AV_RL32) +# define AV_RL32(p) AV_RN32(p) +# elif !defined(AV_RN32) && defined(AV_RL32) +# define AV_RN32(p) AV_RL32(p) +# endif + +# if defined(AV_WN32) && !defined(AV_WL32) +# define AV_WL32(p, v) AV_WN32(p, v) +# elif !defined(AV_WN32) && defined(AV_WL32) +# define AV_WN32(p, v) AV_WL32(p, v) +# endif + +# if defined(AV_RN64) && !defined(AV_RL64) +# define AV_RL64(p) AV_RN64(p) +# elif !defined(AV_RN64) && defined(AV_RL64) +# define AV_RN64(p) AV_RL64(p) +# endif + +# if defined(AV_WN64) && !defined(AV_WL64) +# define AV_WL64(p, v) AV_WN64(p, v) +# elif !defined(AV_WN64) && defined(AV_WL64) +# define AV_WN64(p, v) AV_WL64(p, v) +# endif + +#endif /* !HAVE_BIGENDIAN */ + +/* + * Define AV_[RW]N helper macros to simplify definitions not provided + * by per-arch headers. + */ + +#if HAVE_ATTRIBUTE_PACKED + +struct unaligned_64 { + uint64_t l; +} __attribute__((packed)); +struct unaligned_32 { + uint32_t l; +} __attribute__((packed)); +struct unaligned_16 { + uint16_t l; +} __attribute__((packed)); + +# define AV_RN(s, p) (((const struct unaligned_##s *) (p))->l) +# define AV_WN(s, p, v) (((struct unaligned_##s *) (p))->l) = (v) + +#elif defined(__DECC) + +# define AV_RN(s, p) (*((const __unaligned uint##s##_t*)(p))) +# define AV_WN(s, p, v) *((__unaligned uint##s##_t*)(p)) = (v) + +#elif HAVE_FAST_UNALIGNED + +# define AV_RN(s, p) (*((const uint##s##_t*)(p))) +# define AV_WN(s, p, v) *((uint##s##_t*)(p)) = (v) + +#else + +#ifndef AV_RB16 +# define AV_RB16(x) \ + ((((const uint8_t*)(x))[0] << 8) | \ + ((const uint8_t*)(x))[1]) +#endif +#ifndef AV_WB16 +# define AV_WB16(p, d) do { \ + ((uint8_t*)(p))[1] = (d); \ + ((uint8_t*)(p))[0] = (d)>>8; \ + } while(0) +#endif + +#ifndef AV_RL16 +# define AV_RL16(x) \ + ((((const uint8_t*)(x))[1] << 8) | \ + ((const uint8_t*)(x))[0]) +#endif +#ifndef AV_WL16 +# define AV_WL16(p, d) do { \ + ((uint8_t*)(p))[0] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + } while(0) +#endif + +#ifndef AV_RB32 +# define AV_RB32(x) \ + ((((const uint8_t*)(x))[0] << 24) | \ + (((const uint8_t*)(x))[1] << 16) | \ + (((const uint8_t*)(x))[2] << 8) | \ + ((const uint8_t*)(x))[3]) +#endif +#ifndef AV_WB32 +# define AV_WB32(p, d) do { \ + ((uint8_t*)(p))[3] = (d); \ + ((uint8_t*)(p))[2] = (d)>>8; \ + ((uint8_t*)(p))[1] = (d)>>16; \ + ((uint8_t*)(p))[0] = (d)>>24; \ + } while(0) +#endif + +#ifndef AV_RL32 +# define AV_RL32(x) \ + ((((const uint8_t*)(x))[3] << 24) | \ + (((const uint8_t*)(x))[2] << 16) | \ + (((const uint8_t*)(x))[1] << 8) | \ + ((const uint8_t*)(x))[0]) +#endif +#ifndef AV_WL32 +# define AV_WL32(p, d) do { \ + ((uint8_t*)(p))[0] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + ((uint8_t*)(p))[2] = (d)>>16; \ + ((uint8_t*)(p))[3] = (d)>>24; \ + } while(0) +#endif + +#ifndef AV_RB64 +# define AV_RB64(x) \ + (((uint64_t)((const uint8_t*)(x))[0] << 56) | \ + ((uint64_t)((const uint8_t*)(x))[1] << 48) | \ + ((uint64_t)((const uint8_t*)(x))[2] << 40) | \ + ((uint64_t)((const uint8_t*)(x))[3] << 32) | \ + ((uint64_t)((const uint8_t*)(x))[4] << 24) | \ + ((uint64_t)((const uint8_t*)(x))[5] << 16) | \ + ((uint64_t)((const uint8_t*)(x))[6] << 8) | \ + (uint64_t)((const uint8_t*)(x))[7]) +#endif +#ifndef AV_WB64 +# define AV_WB64(p, d) do { \ + ((uint8_t*)(p))[7] = (d); \ + ((uint8_t*)(p))[6] = (d)>>8; \ + ((uint8_t*)(p))[5] = (d)>>16; \ + ((uint8_t*)(p))[4] = (d)>>24; \ + ((uint8_t*)(p))[3] = (d)>>32; \ + ((uint8_t*)(p))[2] = (d)>>40; \ + ((uint8_t*)(p))[1] = (d)>>48; \ + ((uint8_t*)(p))[0] = (d)>>56; \ + } while(0) +#endif + +#ifndef AV_RL64 +# define AV_RL64(x) \ + (((uint64_t)((const uint8_t*)(x))[7] << 56) | \ + ((uint64_t)((const uint8_t*)(x))[6] << 48) | \ + ((uint64_t)((const uint8_t*)(x))[5] << 40) | \ + ((uint64_t)((const uint8_t*)(x))[4] << 32) | \ + ((uint64_t)((const uint8_t*)(x))[3] << 24) | \ + ((uint64_t)((const uint8_t*)(x))[2] << 16) | \ + ((uint64_t)((const uint8_t*)(x))[1] << 8) | \ + (uint64_t)((const uint8_t*)(x))[0]) +#endif +#ifndef AV_WL64 +# define AV_WL64(p, d) do { \ + ((uint8_t*)(p))[0] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + ((uint8_t*)(p))[2] = (d)>>16; \ + ((uint8_t*)(p))[3] = (d)>>24; \ + ((uint8_t*)(p))[4] = (d)>>32; \ + ((uint8_t*)(p))[5] = (d)>>40; \ + ((uint8_t*)(p))[6] = (d)>>48; \ + ((uint8_t*)(p))[7] = (d)>>56; \ + } while(0) +#endif + +#if HAVE_BIGENDIAN +# define AV_RN(s, p) AV_RB##s(p) +# define AV_WN(s, p, v) AV_WB##s(p, v) +#else +# define AV_RN(s, p) AV_RL##s(p) +# define AV_WN(s, p, v) AV_WL##s(p, v) +#endif + +#endif /* HAVE_FAST_UNALIGNED */ + +#ifndef AV_RN16 +# define AV_RN16(p) AV_RN(16, p) +#endif + +#ifndef AV_RN32 +# define AV_RN32(p) AV_RN(32, p) +#endif + +#ifndef AV_RN64 +# define AV_RN64(p) AV_RN(64, p) +#endif + +#ifndef AV_WN16 +# define AV_WN16(p, v) AV_WN(16, p, v) +#endif + +#ifndef AV_WN32 +# define AV_WN32(p, v) AV_WN(32, p, v) +#endif + +#ifndef AV_WN64 +# define AV_WN64(p, v) AV_WN(64, p, v) +#endif + +#if HAVE_BIGENDIAN +# define AV_RB(s, p) AV_RN##s(p) +# define AV_WB(s, p, v) AV_WN##s(p, v) +# define AV_RL(s, p) bswap_##s(AV_RN##s(p)) +# define AV_WL(s, p, v) AV_WN##s(p, bswap_##s(v)) +#else +# define AV_RB(s, p) bswap_##s(AV_RN##s(p)) +# define AV_WB(s, p, v) AV_WN##s(p, bswap_##s(v)) +# define AV_RL(s, p) AV_RN##s(p) +# define AV_WL(s, p, v) AV_WN##s(p, v) +#endif + +#define AV_RB8(x) (((const uint8_t*)(x))[0]) +#define AV_WB8(p, d) do { ((uint8_t*)(p))[0] = (d); } while(0) + +#define AV_RL8(x) AV_RB8(x) +#define AV_WL8(p, d) AV_WB8(p, d) + +#ifndef AV_RB16 +# define AV_RB16(p) AV_RB(16, p) +#endif +#ifndef AV_WB16 +# define AV_WB16(p, v) AV_WB(16, p, v) +#endif + +#ifndef AV_RL16 +# define AV_RL16(p) AV_RL(16, p) +#endif +#ifndef AV_WL16 +# define AV_WL16(p, v) AV_WL(16, p, v) +#endif + +#ifndef AV_RB32 +# define AV_RB32(p) AV_RB(32, p) +#endif +#ifndef AV_WB32 +# define AV_WB32(p, v) AV_WB(32, p, v) +#endif + +#ifndef AV_RL32 +# define AV_RL32(p) AV_RL(32, p) +#endif +#ifndef AV_WL32 +# define AV_WL32(p, v) AV_WL(32, p, v) +#endif + +#ifndef AV_RB64 +# define AV_RB64(p) AV_RB(64, p) +#endif +#ifndef AV_WB64 +# define AV_WB64(p, v) AV_WB(64, p, v) +#endif + +#ifndef AV_RL64 +# define AV_RL64(p) AV_RL(64, p) +#endif +#ifndef AV_WL64 +# define AV_WL64(p, v) AV_WL(64, p, v) +#endif + +#ifndef AV_RB24 +# define AV_RB24(x) \ + ((((const uint8_t*)(x))[0] << 16) | \ + (((const uint8_t*)(x))[1] << 8) | \ + ((const uint8_t*)(x))[2]) +#endif +#ifndef AV_WB24 +# define AV_WB24(p, d) do { \ + ((uint8_t*)(p))[2] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + ((uint8_t*)(p))[0] = (d)>>16; \ + } while(0) +#endif + +#ifndef AV_RL24 +# define AV_RL24(x) \ + ((((const uint8_t*)(x))[2] << 16) | \ + (((const uint8_t*)(x))[1] << 8) | \ + ((const uint8_t*)(x))[0]) +#endif +#ifndef AV_WL24 +# define AV_WL24(p, d) do { \ + ((uint8_t*)(p))[0] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + ((uint8_t*)(p))[2] = (d)>>16; \ + } while(0) +#endif + +#endif /* AVUTIL_INTREADWRITE_H */ diff --git a/audio_codec/libflac/mathops.h b/audio_codec/libflac/mathops.h new file mode 100644 index 0000000..6f4a5f4 --- a/dev/null +++ b/audio_codec/libflac/mathops.h @@ -0,0 +1,78 @@ +/* + * simple math operations + * Copyright (c) 2001, 2002 Fabrice Bellard + * Copyright (c) 2006 Michael Niedermayer et al + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +#ifndef AVCODEC_MATHOPS_H +#define AVCODEC_MATHOPS_H + +#include "common.h" +#include "internal.h" + +/* generic implementation */ + +#ifndef MULL +# define MULL(a,b,s) (((int64_t)(a) * (int64_t)(b)) >> (s)) +#endif + +#ifndef MULH +//gcc 3.4 creates an incredibly bloated mess out of this +//# define MULH(a,b) (((int64_t)(a) * (int64_t)(b))>>32) + +static av_always_inline int MULH(int a, int b) +{ + return ((int64_t)(a) * (int64_t)(b)) >> 32; +} +#endif + +#ifndef MUL64 +# define MUL64(a,b) ((int64_t)(a) * (int64_t)(b)) +#endif + +#ifndef MAC64 +# define MAC64(d, a, b) ((d) += MUL64(a, b)) +#endif + +#ifndef MLS64 +# define MLS64(d, a, b) ((d) -= MUL64(a, b)) +#endif + +/* signed 16x16 -> 32 multiply add accumulate */ +#ifndef MAC16 +# define MAC16(rt, ra, rb) rt += (ra) * (rb) +#endif + +/* signed 16x16 -> 32 multiply */ +#ifndef MUL16 +# define MUL16(ra, rb) ((ra) * (rb)) +#endif + +#ifndef MLS16 +# define MLS16(rt, ra, rb) ((rt) -= (ra) * (rb)) +#endif + +#ifndef sign_extend +static inline av_const int sign_extend(int val, unsigned bits) +{ + return (val << (INT_BIT - bits)) >> (INT_BIT - bits); +} +#endif + +#endif /* AVCODEC_MATHOPS_H */ + diff --git a/audio_codec/libflac/types.h b/audio_codec/libflac/types.h new file mode 100644 index 0000000..10d7202 --- a/dev/null +++ b/audio_codec/libflac/types.h @@ -0,0 +1,49 @@ + +#ifndef _DSP_TYPES_H +#define _DSP_TYPES_H +/* bsd */ +typedef unsigned char u_char; +typedef unsigned short u_short; +typedef unsigned int u_int; +typedef unsigned long u_long; + +/* sysv */ +typedef unsigned char unchar; +typedef unsigned short ushort; +typedef unsigned int uint; +typedef unsigned long ulong; + +typedef unsigned char __u8; +typedef unsigned short __u16; +typedef unsigned int __u32; +typedef unsigned long long __u64; + + +typedef signed char __s8; +typedef short __s16; +typedef int __s32; +typedef long long __s64; + +typedef __u8 u_int8_t; +typedef __s8 int8_t; +typedef __u16 u_int16_t; +typedef __s16 int16_t; +typedef __u32 u_int32_t; +typedef __s32 int32_t; + + +typedef __u8 uint8_t; +typedef __u16 uint16_t; +typedef __u32 uint32_t; + +typedef __u64 uint64_t; +typedef __u64 u_int64_t; +typedef __s64 int64_t; +typedef float float32_t; + + +#ifndef NULL +#define NULL ((void *)0) +#endif + +#endif diff --git a/audio_codec/liblpcm/Android.mk b/audio_codec/liblpcm/Android.mk new file mode 100755 index 0000000..8b9545b --- a/dev/null +++ b/audio_codec/liblpcm/Android.mk @@ -0,0 +1,13 @@ +LOCAL_PATH := $(call my-dir) + +include $(CLEAR_VARS) + +LOCAL_SHARED_LIBRARIES += libcutils libc liblog +LOCAL_MODULE := libpcm_wfd +LOCAL_SRC_FILES := lpcm_decode.c +#$(notdir $(wildcard $(LOCAL_PATH)/*.c)) +LOCAL_ARM_MODE := arm +LOCAL_MODULE_TAGS := optional +LOCAL_C_INCLUDES := $(LOCAL_PATH) $(LOCAL_PATH)/../../amadec/include $(LOCAL_PATH)/../../amadec/ + +include $(BUILD_SHARED_LIBRARY) diff --git a/audio_codec/liblpcm/lpcm_decode.c b/audio_codec/liblpcm/lpcm_decode.c new file mode 100644 index 0000000..3a078ef --- a/dev/null +++ b/audio_codec/liblpcm/lpcm_decode.c @@ -0,0 +1,437 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "../../amadec/adec-armdec-mgt.h" + +#define LOG_TAG "LPCMDEC" +#define printk(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define audio_codec_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) + + +#define ASTREAM_DEV "/dev/uio0" +#define ASTREAM_ADDR "/sys/class/astream/astream-dev/uio0/maps/map0/addr" +#define ASTREAM_SIZE "/sys/class/astream/astream-dev/uio0/maps/map0/size" +#define ASTREAM_OFFSET "/sys/class/astream/astream-dev/uio0/maps/map0/offset" + + + +#define AIU_AIFIFO_CTRL 0x1580 +#define AIU_AIFIFO_STATUS 0x1581 +#define AIU_AIFIFO_GBIT 0x1582 +#define AIU_AIFIFO_CLB 0x1583 +#define AIU_MEM_AIFIFO_START_PTR 0x1584 +#define AIU_MEM_AIFIFO_CURR_PTR 0x1585 +#define AIU_MEM_AIFIFO_END_PTR 0x1586 +#define AIU_MEM_AIFIFO_BYTES_AVAIL 0x1587 +#define AIU_MEM_AIFIFO_CONTROL 0x1588 +#define AIU_MEM_AIFIFO_MAN_WP 0x1589 +#define AIU_MEM_AIFIFO_MAN_RP 0x158a +#define AIU_MEM_AIFIFO_LEVEL 0x158b +#define AIU_MEM_AIFIFO_BUF_CNTL 0x158c +#define AIU_MEM_AIFIFO_BUF_WRAP_COUNT 0x158d +#define AIU_MEM_AIFIFO2_BUF_WRAP_COUNT 0x158e +#define AIU_MEM_AIFIFO_MEM_CTL 0x158f + +volatile unsigned* reg_base = 0; +#define READ_MPEG_REG(reg) reg_base[reg-AIU_AIFIFO_CTRL] +#define WRITE_MPEG_REG(reg, val) reg_base[reg-AIU_AIFIFO_CTRL]=val +#define AIFIFO_READY (((READ_MPEG_REG(AIU_MEM_AIFIFO_CONTROL)&(1<<9)))) +#define min(x,y) ((x= 0) { + read(fd, bcmd, sizeof(bcmd)); + num = strtoul(bcmd, NULL, 0); + close(fd); + } else { + audio_codec_print("unable to open file %s", path); + } + return num; +} +static unsigned long get_num_infile(char *file) +{ + return amsysfs_get_sysfs_ulong(file); +} + +static int uio_init() +{ + int pagesize = getpagesize(); + int phys_start; + int phys_offset; + + + fd_uio = open(ASTREAM_DEV, O_RDWR); + if (fd_uio < 0) { + audio_codec_print("error open UIO 0\n"); + return -1; + } + phys_start = get_num_infile(ASTREAM_ADDR); + phys_size = get_num_infile(ASTREAM_SIZE); + phys_offset = get_num_infile(ASTREAM_OFFSET); + + audio_codec_print("add=%08x, size=%08x, offset=%08x\n", phys_start, phys_size, phys_offset); + + phys_size = (phys_size + pagesize - 1) & (~(pagesize - 1)); + memmap = mmap(NULL, phys_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd_uio, 0 * pagesize); + + audio_codec_print("memmap = %x , pagesize = %x\n", memmap, pagesize); + if (memmap == MAP_FAILED) { + audio_codec_print("map /dev/uio0 failed\n"); + return -1; + } + if (phys_offset == 0) + phys_offset = (AIU_AIFIFO_CTRL*4)&(pagesize-1); + reg_base = memmap + phys_offset; + return 0; +} + +#define EXTRA_DATA_SIZE 128 + +static inline void waiting_bits(int bits) +{ + int bytes; + bytes = READ_MPEG_REG(AIU_MEM_AIFIFO_BYTES_AVAIL); + while (bytes * 8 < bits && !exit_flag) { + printk("waiting_bits \n"); + usleep(1000); + bytes = READ_MPEG_REG(AIU_MEM_AIFIFO_BYTES_AVAIL); + } +} +static unsigned stream_in_offset = 0; + +int read_buffer(unsigned char *buffer, int size) +{ + int bytes; + int len; + unsigned char *p = buffer; + int tmp; + int space; + int i; + int wait_times = 0, fifo_ready_wait = 0; + + int iii; + + iii = READ_MPEG_REG(AIU_MEM_AIFIFO_LEVEL) - EXTRA_DATA_SIZE; + while (size > iii && (!exit_flag)) { + iii = READ_MPEG_REG(AIU_MEM_AIFIFO_LEVEL) - EXTRA_DATA_SIZE; + + } + if (exit_flag) { + printk("exit flag set.exit dec\n"); + return 0; + } + //if(( size >= iii)) + // return 0; + + // adec_print("read_buffer start while iii= %d!!\n", iii); + for (len = 0; len < size;) { + space = (size - len); + bytes = READ_MPEG_REG(AIU_MEM_AIFIFO_BYTES_AVAIL); + //printk("read_buffer start AIU_MEM_AIFIFO_BYTES_AVAIL bytes= %d!!,exit %d \n", bytes,exit_flag); + if (exit_flag) { + printk("exit 1 \n"); + return 0; + } + wait_times = 0; + while (bytes == 0) { + waiting_bits((space > 128) ? 128 * 8 : (space * 8)); /*wait 32 bytes,if the space is less than 32 bytes,wait the space bits*/ + bytes = READ_MPEG_REG(AIU_MEM_AIFIFO_BYTES_AVAIL); + + // audio_codec_print("read_buffer while AIU_MEM_AIFIFO_BYTES_AVAIL = %d!!\n", bytes); + wait_times++; + if (wait_times > 10 || exit_flag) { + audio_codec_print("goto out!!\n"); + goto out; + } + } + bytes = min(space, bytes); + + //adec_print("read_buffer while bytes = %d!!\n", bytes); + for (i = 0; i < bytes; i++) { + if (exit_flag) { + printk("exit 2 \n"); + + return 0; + } + while (!AIFIFO_READY) { + fifo_ready_wait++; + usleep(1000); + printk("fifo not ready \n"); + if (fifo_ready_wait > 100) { + audio_codec_print("FATAL err,AIFIFO is not ready,check!!\n"); + return 0; + } + } + WRITE_MPEG_REG(AIU_AIFIFO_GBIT, 8); + tmp = READ_MPEG_REG(AIU_AIFIFO_GBIT); + //adec_print("read_buffer while tmp = %d!!\n", tmp); + + *p++ = tmp & 0xff; + fifo_ready_wait = 0; + + } + len += bytes; + } +out: + stream_in_offset += len; + return len; +} +int get_audiobuf_level() +{ + int level = 0; + level = READ_MPEG_REG(AIU_MEM_AIFIFO_LEVEL) - EXTRA_DATA_SIZE; + if (level < 0) { + level = 0; + } + return level; +} + + + +#define pcm_buffer_size (1024*6) +#define bluray_pcm_size (1024*17) + + +static short table[256]; +static unsigned char pcm_buffer[bluray_pcm_size]; + +#define LOCAL inline + +#define SIGN_BIT (0x80) +#define QUANT_MASK (0xf) +#define NSEGS (8) +#define SEG_SHIFT (4) +#define SEG_MASK (0x70) + +#define BIAS (0x84) + +static int pcm_channels = 0; +static int pcm_samplerate = 0; +static int pcm_datewidth = 16; +static int pcm_bluray_header = 0; +static int pcm_bluray_size = 0; + +static struct audio_info *pcm_info; + + +#define Emphasis_Off 0 +#define Emphasis_On 1 +#define Quantization_Word_16bit 0 +#define Quantization_Word_Reserved 0xff +#define Audio_Sampling_44_1 1 +#define Audio_Sampling_48 2 +#define Audio_Sampling_Reserved 0xff +#define Audio_channel_Dual_Mono 0 +#define Audio_channel_Stero 1 +#define Audio_channel_Reserved 0xff +#define FramesPerAU 80 //according to spec of wifi display +#define Wifi_Display_Private_Header_Size 4 + +static int lpcm_header_parsed = 0; +static int parse_wifi_display_pcm_header(char *header, int *bps) +{ + char number_of_frame_header, audio_emphasis, quant, sample, channel; + int frame_size = -1; + + //check sub id + if (header[0] == 0xa0) { + number_of_frame_header = header[1]; + audio_emphasis = header[2] & 1; + quant = header[3] >> 6; + sample = (header[3] >> 3) & 7; + channel = header[3] & 7; + + if (quant == Quantization_Word_16bit) { + *bps = 16; + } else { + printk("using reserved bps %d\n", *bps); + } + + if (sample == Audio_Sampling_44_1) { + pcm_samplerate = 44100; + } else if (sample == Audio_Sampling_48) { + pcm_samplerate = 48000; + } else { + printk("using reserved sample_rate %d\n", pcm_samplerate); + } + + if (channel == Audio_channel_Dual_Mono) { + pcm_channels = 1; //note: this is not sure + } else if (channel == Audio_channel_Stero) { + pcm_channels = 2; + } else { + printk("using reserved channel %d\n", pcm_channels); + } + + + frame_size = FramesPerAU * (*bps >> 3) * pcm_channels * number_of_frame_header; + + } else { + printk("unknown sub id\n"); + } + + return frame_size; +} + +int frame_size_check_flag = 0; +int frame_size_check = 0; +int jump_read_head_flag = 0; +int audio_dec_init(audio_decoder_operations_t *adp) +{ + //printk("\n\n[%s]WFD LPCMDEC BuildDate--%s BuildTime--%s", __FUNCTION__, __DATE__, __TIME__); + char value[PROPERTY_VALUE_MAX]; + if (property_get("media.wfd.debug_dec", value, NULL) > 0) { + enable_debug_print = atoi(value); + } + stream_in_offset = 0; + exit_flag = 0; + int err; + err = uio_init(); + if (err) { + return -1; + } + printk("LPCM--- audio_dec_init done \n"); + return 0; +} + + + + +int audio_dec_decode(audio_decoder_operations_t *adec_ops, char *buf, int *outlen, char *inbuf, int inlen) +{ + short *sample; + unsigned char *src; + int size, n, i, j, bps, wifi_display_drop_header = 0; + int sample_size; + unsigned int header; + int16_t *dst_int16_t; + int32_t *dst_int32_t; + int64_t *dst_int64_t; + uint16_t *dst_uint16_t; + uint32_t *dst_uint32_t; + int frame_size; + int skip_bytes = 0; + sample = (short *)buf; + src = pcm_buffer; + *outlen = 0; + + //check audio info for wifi display LPCM + size = read_buffer(pcm_buffer, Wifi_Display_Private_Header_Size); +resync: + /* + while (get_audiobuf_level()*1000 /(4*48000) > 300) { + printk("skip byte buffer level %d \n",get_audiobuf_level()); + read_buffer(pcm_buffer,1024); + } + */ + if (exit_flag == 1) { + printk("exit flag set.exit dec1\n"); + return 0; + } + if (enable_debug_print) { + printk("wifi display: pcm read size%d %x-%x-%x-%x\n", size, pcm_buffer[0], pcm_buffer[1], pcm_buffer[2], pcm_buffer[3]); + } + + if (pcm_buffer[0] == 0xa0) { + frame_size = parse_wifi_display_pcm_header(pcm_buffer, &bps); + if (frame_size > 1920) { + printk("frame size error ??? %d \n", frame_size); + goto skipbyte; + } + size = read_buffer(pcm_buffer, frame_size); + + } else { +skipbyte: + pcm_buffer[0] = pcm_buffer[1]; + pcm_buffer[1] = pcm_buffer[2]; + pcm_buffer[2] = pcm_buffer[3]; + read_buffer(&pcm_buffer[3], 1); + skip_bytes++; + goto resync; + frame_size = Wifi_Display_Private_Header_Size; //transimit error or something? + } + if (enable_debug_print) { + printk("wifi display: pcm read size%d %x-%x-%x-%x,skip bytes %d \n", size, pcm_buffer[0], pcm_buffer[1], pcm_buffer[2], pcm_buffer[3], skip_bytes); + } + + if (bps == 16) { + if (pcm_channels == 1) { + for (i = 0, j = 0; i < frame_size;) { + sample[j + 1] = sample[j] = (pcm_buffer[i] << 8) | pcm_buffer[i + 1]; + i += 2; + j += 2; + } + } else if (pcm_channels == 2) { + for (i = 0, j = 0; i < frame_size;) { + sample[j++] = (pcm_buffer[i] << 8) | pcm_buffer[i + 1]; + i += 2; + sample[j++] = (pcm_buffer[i] << 8) | pcm_buffer[i + 1]; + i += 2; + } + } + *outlen = frame_size; + + + /* + before output the audio frame,check the audio buffer level to see if we need drop pcm + + */ + unsigned audio_latency = get_audiobuf_level() * 1000 / (48000 * 4); + // printk("audio latency %d \n",audio_latency); + memcpy(inbuf, &audio_latency, sizeof(audio_latency)); + if (enable_debug_print) { + printk("sample rate %d, ch %d \n", pcm_samplerate, pcm_channels); + } + if (pcm_samplerate > 0 && pcm_channels > 0) { + adec_ops->channels = pcm_channels; + adec_ops->samplerate = pcm_samplerate; + } + return stream_in_offset; + } else { + printk("wifi display:unimplemented bps %d\n", bps); + } + + + return stream_in_offset; +} + +int audio_dec_release(audio_decoder_operations_t *adec_ops) +{ + if (fd_uio >= 0) { + close(fd_uio); + } + fd_uio = -1; + if (memmap != NULL && memmap != MAP_FAILED) { + munmap(memmap, phys_size); + } + printk("audio_dec_release done \n"); + return 0; +} + + +int audio_dec_getinfo(audio_decoder_operations_t *adec_ops) +{ + return 0; +} +void audio_set_exit_flag() +{ + exit_flag = 1; + printk("adec decode exit flag set \n"); +} diff --git a/audio_codec/libmad/Android.mk b/audio_codec/libmad/Android.mk new file mode 100755 index 0000000..3aa1e20 --- a/dev/null +++ b/audio_codec/libmad/Android.mk @@ -0,0 +1,13 @@ +LOCAL_PATH := $(call my-dir) + +include $(CLEAR_VARS) + +LOCAL_SHARED_LIBRARIES += libutils libmedia libz libbinder libdl libcutils libc + +LOCAL_MODULE := libmad +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +LOCAL_ARM_MODE := arm +LOCAL_MODULE_TAGS := optional +LOCAL_C_INCLUDES := $(LOCAL_PATH) \ +LOCAL_PRELINK_MODULE := false +include $(BUILD_SHARED_LIBRARY) diff --git a/audio_codec/libmad/D.dat b/audio_codec/libmad/D.dat new file mode 100755 index 0000000..4a7fa4f --- a/dev/null +++ b/audio_codec/libmad/D.dat @@ -0,0 +1,607 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: D.dat,v 1.9 2004/01/23 09:41:32 rob Exp $ + */ + +/* + * These are the coefficients for the subband synthesis window. This is a + * reordered version of Table B.3 from ISO/IEC 11172-3. + * + * Every value is parameterized so that shift optimizations can be made at + * compile-time. For example, every value can be right-shifted 12 bits to + * minimize multiply instruction times without any loss of accuracy. + */ + + { PRESHIFT(0x00000000) /* 0.000000000 */, /* 0 */ + -PRESHIFT(0x0001d000) /* -0.000442505 */, + PRESHIFT(0x000d5000) /* 0.003250122 */, + -PRESHIFT(0x001cb000) /* -0.007003784 */, + PRESHIFT(0x007f5000) /* 0.031082153 */, + -PRESHIFT(0x01421000) /* -0.078628540 */, + PRESHIFT(0x019ae000) /* 0.100311279 */, + -PRESHIFT(0x09271000) /* -0.572036743 */, + PRESHIFT(0x1251e000) /* 1.144989014 */, + PRESHIFT(0x09271000) /* 0.572036743 */, + PRESHIFT(0x019ae000) /* 0.100311279 */, + PRESHIFT(0x01421000) /* 0.078628540 */, + PRESHIFT(0x007f5000) /* 0.031082153 */, + PRESHIFT(0x001cb000) /* 0.007003784 */, + PRESHIFT(0x000d5000) /* 0.003250122 */, + PRESHIFT(0x0001d000) /* 0.000442505 */, + + PRESHIFT(0x00000000) /* 0.000000000 */, + -PRESHIFT(0x0001d000) /* -0.000442505 */, + PRESHIFT(0x000d5000) /* 0.003250122 */, + -PRESHIFT(0x001cb000) /* -0.007003784 */, + PRESHIFT(0x007f5000) /* 0.031082153 */, + -PRESHIFT(0x01421000) /* -0.078628540 */, + PRESHIFT(0x019ae000) /* 0.100311279 */, + -PRESHIFT(0x09271000) /* -0.572036743 */, + PRESHIFT(0x1251e000) /* 1.144989014 */, + PRESHIFT(0x09271000) /* 0.572036743 */, + PRESHIFT(0x019ae000) /* 0.100311279 */, + PRESHIFT(0x01421000) /* 0.078628540 */, + PRESHIFT(0x007f5000) /* 0.031082153 */, + PRESHIFT(0x001cb000) /* 0.007003784 */, + PRESHIFT(0x000d5000) /* 0.003250122 */, + PRESHIFT(0x0001d000) /* 0.000442505 */ }, + + { -PRESHIFT(0x00001000) /* -0.000015259 */, /* 1 */ + -PRESHIFT(0x0001f000) /* -0.000473022 */, + PRESHIFT(0x000da000) /* 0.003326416 */, + -PRESHIFT(0x00207000) /* -0.007919312 */, + PRESHIFT(0x007d0000) /* 0.030517578 */, + -PRESHIFT(0x0158d000) /* -0.084182739 */, + PRESHIFT(0x01747000) /* 0.090927124 */, + -PRESHIFT(0x099a8000) /* -0.600219727 */, + PRESHIFT(0x124f0000) /* 1.144287109 */, + PRESHIFT(0x08b38000) /* 0.543823242 */, + PRESHIFT(0x01bde000) /* 0.108856201 */, + PRESHIFT(0x012b4000) /* 0.073059082 */, + PRESHIFT(0x0080f000) /* 0.031478882 */, + PRESHIFT(0x00191000) /* 0.006118774 */, + PRESHIFT(0x000d0000) /* 0.003173828 */, + PRESHIFT(0x0001a000) /* 0.000396729 */, + + -PRESHIFT(0x00001000) /* -0.000015259 */, + -PRESHIFT(0x0001f000) /* -0.000473022 */, + PRESHIFT(0x000da000) /* 0.003326416 */, + -PRESHIFT(0x00207000) /* -0.007919312 */, + PRESHIFT(0x007d0000) /* 0.030517578 */, + -PRESHIFT(0x0158d000) /* -0.084182739 */, + PRESHIFT(0x01747000) /* 0.090927124 */, + -PRESHIFT(0x099a8000) /* -0.600219727 */, + PRESHIFT(0x124f0000) /* 1.144287109 */, + PRESHIFT(0x08b38000) /* 0.543823242 */, + PRESHIFT(0x01bde000) /* 0.108856201 */, + PRESHIFT(0x012b4000) /* 0.073059082 */, + PRESHIFT(0x0080f000) /* 0.031478882 */, + PRESHIFT(0x00191000) /* 0.006118774 */, + PRESHIFT(0x000d0000) /* 0.003173828 */, + PRESHIFT(0x0001a000) /* 0.000396729 */ }, + + { -PRESHIFT(0x00001000) /* -0.000015259 */, /* 2 */ + -PRESHIFT(0x00023000) /* -0.000534058 */, + PRESHIFT(0x000de000) /* 0.003387451 */, + -PRESHIFT(0x00245000) /* -0.008865356 */, + PRESHIFT(0x007a0000) /* 0.029785156 */, + -PRESHIFT(0x016f7000) /* -0.089706421 */, + PRESHIFT(0x014a8000) /* 0.080688477 */, + -PRESHIFT(0x0a0d8000) /* -0.628295898 */, + PRESHIFT(0x12468000) /* 1.142211914 */, + PRESHIFT(0x083ff000) /* 0.515609741 */, + PRESHIFT(0x01dd8000) /* 0.116577148 */, + PRESHIFT(0x01149000) /* 0.067520142 */, + PRESHIFT(0x00820000) /* 0.031738281 */, + PRESHIFT(0x0015b000) /* 0.005294800 */, + PRESHIFT(0x000ca000) /* 0.003082275 */, + PRESHIFT(0x00018000) /* 0.000366211 */, + + -PRESHIFT(0x00001000) /* -0.000015259 */, + -PRESHIFT(0x00023000) /* -0.000534058 */, + PRESHIFT(0x000de000) /* 0.003387451 */, + -PRESHIFT(0x00245000) /* -0.008865356 */, + PRESHIFT(0x007a0000) /* 0.029785156 */, + -PRESHIFT(0x016f7000) /* -0.089706421 */, + PRESHIFT(0x014a8000) /* 0.080688477 */, + -PRESHIFT(0x0a0d8000) /* -0.628295898 */, + PRESHIFT(0x12468000) /* 1.142211914 */, + PRESHIFT(0x083ff000) /* 0.515609741 */, + PRESHIFT(0x01dd8000) /* 0.116577148 */, + PRESHIFT(0x01149000) /* 0.067520142 */, + PRESHIFT(0x00820000) /* 0.031738281 */, + PRESHIFT(0x0015b000) /* 0.005294800 */, + PRESHIFT(0x000ca000) /* 0.003082275 */, + PRESHIFT(0x00018000) /* 0.000366211 */ }, + + { -PRESHIFT(0x00001000) /* -0.000015259 */, /* 3 */ + -PRESHIFT(0x00026000) /* -0.000579834 */, + PRESHIFT(0x000e1000) /* 0.003433228 */, + -PRESHIFT(0x00285000) /* -0.009841919 */, + PRESHIFT(0x00765000) /* 0.028884888 */, + -PRESHIFT(0x0185d000) /* -0.095169067 */, + PRESHIFT(0x011d1000) /* 0.069595337 */, + -PRESHIFT(0x0a7fe000) /* -0.656219482 */, + PRESHIFT(0x12386000) /* 1.138763428 */, + PRESHIFT(0x07ccb000) /* 0.487472534 */, + PRESHIFT(0x01f9c000) /* 0.123474121 */, + PRESHIFT(0x00fdf000) /* 0.061996460 */, + PRESHIFT(0x00827000) /* 0.031845093 */, + PRESHIFT(0x00126000) /* 0.004486084 */, + PRESHIFT(0x000c4000) /* 0.002990723 */, + PRESHIFT(0x00015000) /* 0.000320435 */, + + -PRESHIFT(0x00001000) /* -0.000015259 */, + -PRESHIFT(0x00026000) /* -0.000579834 */, + PRESHIFT(0x000e1000) /* 0.003433228 */, + -PRESHIFT(0x00285000) /* -0.009841919 */, + PRESHIFT(0x00765000) /* 0.028884888 */, + -PRESHIFT(0x0185d000) /* -0.095169067 */, + PRESHIFT(0x011d1000) /* 0.069595337 */, + -PRESHIFT(0x0a7fe000) /* -0.656219482 */, + PRESHIFT(0x12386000) /* 1.138763428 */, + PRESHIFT(0x07ccb000) /* 0.487472534 */, + PRESHIFT(0x01f9c000) /* 0.123474121 */, + PRESHIFT(0x00fdf000) /* 0.061996460 */, + PRESHIFT(0x00827000) /* 0.031845093 */, + PRESHIFT(0x00126000) /* 0.004486084 */, + PRESHIFT(0x000c4000) /* 0.002990723 */, + PRESHIFT(0x00015000) /* 0.000320435 */ }, + + { -PRESHIFT(0x00001000) /* -0.000015259 */, /* 4 */ + -PRESHIFT(0x00029000) /* -0.000625610 */, + PRESHIFT(0x000e3000) /* 0.003463745 */, + -PRESHIFT(0x002c7000) /* -0.010848999 */, + PRESHIFT(0x0071e000) /* 0.027801514 */, + -PRESHIFT(0x019bd000) /* -0.100540161 */, + PRESHIFT(0x00ec0000) /* 0.057617187 */, + -PRESHIFT(0x0af15000) /* -0.683914185 */, + PRESHIFT(0x12249000) /* 1.133926392 */, + PRESHIFT(0x075a0000) /* 0.459472656 */, + PRESHIFT(0x0212c000) /* 0.129577637 */, + PRESHIFT(0x00e79000) /* 0.056533813 */, + PRESHIFT(0x00825000) /* 0.031814575 */, + PRESHIFT(0x000f4000) /* 0.003723145 */, + PRESHIFT(0x000be000) /* 0.002899170 */, + PRESHIFT(0x00013000) /* 0.000289917 */, + + -PRESHIFT(0x00001000) /* -0.000015259 */, + -PRESHIFT(0x00029000) /* -0.000625610 */, + PRESHIFT(0x000e3000) /* 0.003463745 */, + -PRESHIFT(0x002c7000) /* -0.010848999 */, + PRESHIFT(0x0071e000) /* 0.027801514 */, + -PRESHIFT(0x019bd000) /* -0.100540161 */, + PRESHIFT(0x00ec0000) /* 0.057617187 */, + -PRESHIFT(0x0af15000) /* -0.683914185 */, + PRESHIFT(0x12249000) /* 1.133926392 */, + PRESHIFT(0x075a0000) /* 0.459472656 */, + PRESHIFT(0x0212c000) /* 0.129577637 */, + PRESHIFT(0x00e79000) /* 0.056533813 */, + PRESHIFT(0x00825000) /* 0.031814575 */, + PRESHIFT(0x000f4000) /* 0.003723145 */, + PRESHIFT(0x000be000) /* 0.002899170 */, + PRESHIFT(0x00013000) /* 0.000289917 */ }, + + { -PRESHIFT(0x00001000) /* -0.000015259 */, /* 5 */ + -PRESHIFT(0x0002d000) /* -0.000686646 */, + PRESHIFT(0x000e4000) /* 0.003479004 */, + -PRESHIFT(0x0030b000) /* -0.011886597 */, + PRESHIFT(0x006cb000) /* 0.026535034 */, + -PRESHIFT(0x01b17000) /* -0.105819702 */, + PRESHIFT(0x00b77000) /* 0.044784546 */, + -PRESHIFT(0x0b619000) /* -0.711318970 */, + PRESHIFT(0x120b4000) /* 1.127746582 */, + PRESHIFT(0x06e81000) /* 0.431655884 */, + PRESHIFT(0x02288000) /* 0.134887695 */, + PRESHIFT(0x00d17000) /* 0.051132202 */, + PRESHIFT(0x0081b000) /* 0.031661987 */, + PRESHIFT(0x000c5000) /* 0.003005981 */, + PRESHIFT(0x000b7000) /* 0.002792358 */, + PRESHIFT(0x00011000) /* 0.000259399 */, + + -PRESHIFT(0x00001000) /* -0.000015259 */, + -PRESHIFT(0x0002d000) /* -0.000686646 */, + PRESHIFT(0x000e4000) /* 0.003479004 */, + -PRESHIFT(0x0030b000) /* -0.011886597 */, + PRESHIFT(0x006cb000) /* 0.026535034 */, + -PRESHIFT(0x01b17000) /* -0.105819702 */, + PRESHIFT(0x00b77000) /* 0.044784546 */, + -PRESHIFT(0x0b619000) /* -0.711318970 */, + PRESHIFT(0x120b4000) /* 1.127746582 */, + PRESHIFT(0x06e81000) /* 0.431655884 */, + PRESHIFT(0x02288000) /* 0.134887695 */, + PRESHIFT(0x00d17000) /* 0.051132202 */, + PRESHIFT(0x0081b000) /* 0.031661987 */, + PRESHIFT(0x000c5000) /* 0.003005981 */, + PRESHIFT(0x000b7000) /* 0.002792358 */, + PRESHIFT(0x00011000) /* 0.000259399 */ }, + + { -PRESHIFT(0x00001000) /* -0.000015259 */, /* 6 */ + -PRESHIFT(0x00031000) /* -0.000747681 */, + PRESHIFT(0x000e4000) /* 0.003479004 */, + -PRESHIFT(0x00350000) /* -0.012939453 */, + PRESHIFT(0x0066c000) /* 0.025085449 */, + -PRESHIFT(0x01c67000) /* -0.110946655 */, + PRESHIFT(0x007f5000) /* 0.031082153 */, + -PRESHIFT(0x0bd06000) /* -0.738372803 */, + PRESHIFT(0x11ec7000) /* 1.120223999 */, + PRESHIFT(0x06772000) /* 0.404083252 */, + PRESHIFT(0x023b3000) /* 0.139450073 */, + PRESHIFT(0x00bbc000) /* 0.045837402 */, + PRESHIFT(0x00809000) /* 0.031387329 */, + PRESHIFT(0x00099000) /* 0.002334595 */, + PRESHIFT(0x000b0000) /* 0.002685547 */, + PRESHIFT(0x00010000) /* 0.000244141 */, + + -PRESHIFT(0x00001000) /* -0.000015259 */, + -PRESHIFT(0x00031000) /* -0.000747681 */, + PRESHIFT(0x000e4000) /* 0.003479004 */, + -PRESHIFT(0x00350000) /* -0.012939453 */, + PRESHIFT(0x0066c000) /* 0.025085449 */, + -PRESHIFT(0x01c67000) /* -0.110946655 */, + PRESHIFT(0x007f5000) /* 0.031082153 */, + -PRESHIFT(0x0bd06000) /* -0.738372803 */, + PRESHIFT(0x11ec7000) /* 1.120223999 */, + PRESHIFT(0x06772000) /* 0.404083252 */, + PRESHIFT(0x023b3000) /* 0.139450073 */, + PRESHIFT(0x00bbc000) /* 0.045837402 */, + PRESHIFT(0x00809000) /* 0.031387329 */, + PRESHIFT(0x00099000) /* 0.002334595 */, + PRESHIFT(0x000b0000) /* 0.002685547 */, + PRESHIFT(0x00010000) /* 0.000244141 */ }, + + { -PRESHIFT(0x00002000) /* -0.000030518 */, /* 7 */ + -PRESHIFT(0x00035000) /* -0.000808716 */, + PRESHIFT(0x000e3000) /* 0.003463745 */, + -PRESHIFT(0x00397000) /* -0.014022827 */, + PRESHIFT(0x005ff000) /* 0.023422241 */, + -PRESHIFT(0x01dad000) /* -0.115921021 */, + PRESHIFT(0x0043a000) /* 0.016510010 */, + -PRESHIFT(0x0c3d9000) /* -0.765029907 */, + PRESHIFT(0x11c83000) /* 1.111373901 */, + PRESHIFT(0x06076000) /* 0.376800537 */, + PRESHIFT(0x024ad000) /* 0.143264771 */, + PRESHIFT(0x00a67000) /* 0.040634155 */, + PRESHIFT(0x007f0000) /* 0.031005859 */, + PRESHIFT(0x0006f000) /* 0.001693726 */, + PRESHIFT(0x000a9000) /* 0.002578735 */, + PRESHIFT(0x0000e000) /* 0.000213623 */, + + -PRESHIFT(0x00002000) /* -0.000030518 */, + -PRESHIFT(0x00035000) /* -0.000808716 */, + PRESHIFT(0x000e3000) /* 0.003463745 */, + -PRESHIFT(0x00397000) /* -0.014022827 */, + PRESHIFT(0x005ff000) /* 0.023422241 */, + -PRESHIFT(0x01dad000) /* -0.115921021 */, + PRESHIFT(0x0043a000) /* 0.016510010 */, + -PRESHIFT(0x0c3d9000) /* -0.765029907 */, + PRESHIFT(0x11c83000) /* 1.111373901 */, + PRESHIFT(0x06076000) /* 0.376800537 */, + PRESHIFT(0x024ad000) /* 0.143264771 */, + PRESHIFT(0x00a67000) /* 0.040634155 */, + PRESHIFT(0x007f0000) /* 0.031005859 */, + PRESHIFT(0x0006f000) /* 0.001693726 */, + PRESHIFT(0x000a9000) /* 0.002578735 */, + PRESHIFT(0x0000e000) /* 0.000213623 */ }, + + { -PRESHIFT(0x00002000) /* -0.000030518 */, /* 8 */ + -PRESHIFT(0x0003a000) /* -0.000885010 */, + PRESHIFT(0x000e0000) /* 0.003417969 */, + -PRESHIFT(0x003df000) /* -0.015121460 */, + PRESHIFT(0x00586000) /* 0.021575928 */, + -PRESHIFT(0x01ee6000) /* -0.120697021 */, + PRESHIFT(0x00046000) /* 0.001068115 */, + -PRESHIFT(0x0ca8d000) /* -0.791213989 */, + PRESHIFT(0x119e9000) /* 1.101211548 */, + PRESHIFT(0x05991000) /* 0.349868774 */, + PRESHIFT(0x02578000) /* 0.146362305 */, + PRESHIFT(0x0091a000) /* 0.035552979 */, + PRESHIFT(0x007d1000) /* 0.030532837 */, + PRESHIFT(0x00048000) /* 0.001098633 */, + PRESHIFT(0x000a1000) /* 0.002456665 */, + PRESHIFT(0x0000d000) /* 0.000198364 */, + + -PRESHIFT(0x00002000) /* -0.000030518 */, + -PRESHIFT(0x0003a000) /* -0.000885010 */, + PRESHIFT(0x000e0000) /* 0.003417969 */, + -PRESHIFT(0x003df000) /* -0.015121460 */, + PRESHIFT(0x00586000) /* 0.021575928 */, + -PRESHIFT(0x01ee6000) /* -0.120697021 */, + PRESHIFT(0x00046000) /* 0.001068115 */, + -PRESHIFT(0x0ca8d000) /* -0.791213989 */, + PRESHIFT(0x119e9000) /* 1.101211548 */, + PRESHIFT(0x05991000) /* 0.349868774 */, + PRESHIFT(0x02578000) /* 0.146362305 */, + PRESHIFT(0x0091a000) /* 0.035552979 */, + PRESHIFT(0x007d1000) /* 0.030532837 */, + PRESHIFT(0x00048000) /* 0.001098633 */, + PRESHIFT(0x000a1000) /* 0.002456665 */, + PRESHIFT(0x0000d000) /* 0.000198364 */ }, + + { -PRESHIFT(0x00002000) /* -0.000030518 */, /* 9 */ + -PRESHIFT(0x0003f000) /* -0.000961304 */, + PRESHIFT(0x000dd000) /* 0.003372192 */, + -PRESHIFT(0x00428000) /* -0.016235352 */, + PRESHIFT(0x00500000) /* 0.019531250 */, + -PRESHIFT(0x02011000) /* -0.125259399 */, + -PRESHIFT(0x003e6000) /* -0.015228271 */, + -PRESHIFT(0x0d11e000) /* -0.816864014 */, + PRESHIFT(0x116fc000) /* 1.089782715 */, + PRESHIFT(0x052c5000) /* 0.323318481 */, + PRESHIFT(0x02616000) /* 0.148773193 */, + PRESHIFT(0x007d6000) /* 0.030609131 */, + PRESHIFT(0x007aa000) /* 0.029937744 */, + PRESHIFT(0x00024000) /* 0.000549316 */, + PRESHIFT(0x0009a000) /* 0.002349854 */, + PRESHIFT(0x0000b000) /* 0.000167847 */, + + -PRESHIFT(0x00002000) /* -0.000030518 */, + -PRESHIFT(0x0003f000) /* -0.000961304 */, + PRESHIFT(0x000dd000) /* 0.003372192 */, + -PRESHIFT(0x00428000) /* -0.016235352 */, + PRESHIFT(0x00500000) /* 0.019531250 */, + -PRESHIFT(0x02011000) /* -0.125259399 */, + -PRESHIFT(0x003e6000) /* -0.015228271 */, + -PRESHIFT(0x0d11e000) /* -0.816864014 */, + PRESHIFT(0x116fc000) /* 1.089782715 */, + PRESHIFT(0x052c5000) /* 0.323318481 */, + PRESHIFT(0x02616000) /* 0.148773193 */, + PRESHIFT(0x007d6000) /* 0.030609131 */, + PRESHIFT(0x007aa000) /* 0.029937744 */, + PRESHIFT(0x00024000) /* 0.000549316 */, + PRESHIFT(0x0009a000) /* 0.002349854 */, + PRESHIFT(0x0000b000) /* 0.000167847 */ }, + + { -PRESHIFT(0x00002000) /* -0.000030518 */, /* 10 */ + -PRESHIFT(0x00044000) /* -0.001037598 */, + PRESHIFT(0x000d7000) /* 0.003280640 */, + -PRESHIFT(0x00471000) /* -0.017349243 */, + PRESHIFT(0x0046b000) /* 0.017257690 */, + -PRESHIFT(0x0212b000) /* -0.129562378 */, + -PRESHIFT(0x0084a000) /* -0.032379150 */, + -PRESHIFT(0x0d78a000) /* -0.841949463 */, + PRESHIFT(0x113be000) /* 1.077117920 */, + PRESHIFT(0x04c16000) /* 0.297210693 */, + PRESHIFT(0x02687000) /* 0.150497437 */, + PRESHIFT(0x0069c000) /* 0.025817871 */, + PRESHIFT(0x0077f000) /* 0.029281616 */, + PRESHIFT(0x00002000) /* 0.000030518 */, + PRESHIFT(0x00093000) /* 0.002243042 */, + PRESHIFT(0x0000a000) /* 0.000152588 */, + + -PRESHIFT(0x00002000) /* -0.000030518 */, + -PRESHIFT(0x00044000) /* -0.001037598 */, + PRESHIFT(0x000d7000) /* 0.003280640 */, + -PRESHIFT(0x00471000) /* -0.017349243 */, + PRESHIFT(0x0046b000) /* 0.017257690 */, + -PRESHIFT(0x0212b000) /* -0.129562378 */, + -PRESHIFT(0x0084a000) /* -0.032379150 */, + -PRESHIFT(0x0d78a000) /* -0.841949463 */, + PRESHIFT(0x113be000) /* 1.077117920 */, + PRESHIFT(0x04c16000) /* 0.297210693 */, + PRESHIFT(0x02687000) /* 0.150497437 */, + PRESHIFT(0x0069c000) /* 0.025817871 */, + PRESHIFT(0x0077f000) /* 0.029281616 */, + PRESHIFT(0x00002000) /* 0.000030518 */, + PRESHIFT(0x00093000) /* 0.002243042 */, + PRESHIFT(0x0000a000) /* 0.000152588 */ }, + + { -PRESHIFT(0x00003000) /* -0.000045776 */, /* 11 */ + -PRESHIFT(0x00049000) /* -0.001113892 */, + PRESHIFT(0x000d0000) /* 0.003173828 */, + -PRESHIFT(0x004ba000) /* -0.018463135 */, + PRESHIFT(0x003ca000) /* 0.014801025 */, + -PRESHIFT(0x02233000) /* -0.133590698 */, + -PRESHIFT(0x00ce4000) /* -0.050354004 */, + -PRESHIFT(0x0ddca000) /* -0.866363525 */, + PRESHIFT(0x1102f000) /* 1.063217163 */, + PRESHIFT(0x04587000) /* 0.271591187 */, + PRESHIFT(0x026cf000) /* 0.151596069 */, + PRESHIFT(0x0056c000) /* 0.021179199 */, + PRESHIFT(0x0074e000) /* 0.028533936 */, + -PRESHIFT(0x0001d000) /* -0.000442505 */, + PRESHIFT(0x0008b000) /* 0.002120972 */, + PRESHIFT(0x00009000) /* 0.000137329 */, + + -PRESHIFT(0x00003000) /* -0.000045776 */, + -PRESHIFT(0x00049000) /* -0.001113892 */, + PRESHIFT(0x000d0000) /* 0.003173828 */, + -PRESHIFT(0x004ba000) /* -0.018463135 */, + PRESHIFT(0x003ca000) /* 0.014801025 */, + -PRESHIFT(0x02233000) /* -0.133590698 */, + -PRESHIFT(0x00ce4000) /* -0.050354004 */, + -PRESHIFT(0x0ddca000) /* -0.866363525 */, + PRESHIFT(0x1102f000) /* 1.063217163 */, + PRESHIFT(0x04587000) /* 0.271591187 */, + PRESHIFT(0x026cf000) /* 0.151596069 */, + PRESHIFT(0x0056c000) /* 0.021179199 */, + PRESHIFT(0x0074e000) /* 0.028533936 */, + -PRESHIFT(0x0001d000) /* -0.000442505 */, + PRESHIFT(0x0008b000) /* 0.002120972 */, + PRESHIFT(0x00009000) /* 0.000137329 */ }, + + { -PRESHIFT(0x00003000) /* -0.000045776 */, /* 12 */ + -PRESHIFT(0x0004f000) /* -0.001205444 */, + PRESHIFT(0x000c8000) /* 0.003051758 */, + -PRESHIFT(0x00503000) /* -0.019577026 */, + PRESHIFT(0x0031a000) /* 0.012115479 */, + -PRESHIFT(0x02326000) /* -0.137298584 */, + -PRESHIFT(0x011b5000) /* -0.069168091 */, + -PRESHIFT(0x0e3dd000) /* -0.890090942 */, + PRESHIFT(0x10c54000) /* 1.048156738 */, + PRESHIFT(0x03f1b000) /* 0.246505737 */, + PRESHIFT(0x026ee000) /* 0.152069092 */, + PRESHIFT(0x00447000) /* 0.016708374 */, + PRESHIFT(0x00719000) /* 0.027725220 */, + -PRESHIFT(0x00039000) /* -0.000869751 */, + PRESHIFT(0x00084000) /* 0.002014160 */, + PRESHIFT(0x00008000) /* 0.000122070 */, + + -PRESHIFT(0x00003000) /* -0.000045776 */, + -PRESHIFT(0x0004f000) /* -0.001205444 */, + PRESHIFT(0x000c8000) /* 0.003051758 */, + -PRESHIFT(0x00503000) /* -0.019577026 */, + PRESHIFT(0x0031a000) /* 0.012115479 */, + -PRESHIFT(0x02326000) /* -0.137298584 */, + -PRESHIFT(0x011b5000) /* -0.069168091 */, + -PRESHIFT(0x0e3dd000) /* -0.890090942 */, + PRESHIFT(0x10c54000) /* 1.048156738 */, + PRESHIFT(0x03f1b000) /* 0.246505737 */, + PRESHIFT(0x026ee000) /* 0.152069092 */, + PRESHIFT(0x00447000) /* 0.016708374 */, + PRESHIFT(0x00719000) /* 0.027725220 */, + -PRESHIFT(0x00039000) /* -0.000869751 */, + PRESHIFT(0x00084000) /* 0.002014160 */, + PRESHIFT(0x00008000) /* 0.000122070 */ }, + + { -PRESHIFT(0x00004000) /* -0.000061035 */, /* 13 */ + -PRESHIFT(0x00055000) /* -0.001296997 */, + PRESHIFT(0x000bd000) /* 0.002883911 */, + -PRESHIFT(0x0054c000) /* -0.020690918 */, + PRESHIFT(0x0025d000) /* 0.009231567 */, + -PRESHIFT(0x02403000) /* -0.140670776 */, + -PRESHIFT(0x016ba000) /* -0.088775635 */, + -PRESHIFT(0x0e9be000) /* -0.913055420 */, + PRESHIFT(0x1082d000) /* 1.031936646 */, + PRESHIFT(0x038d4000) /* 0.221984863 */, + PRESHIFT(0x026e7000) /* 0.151962280 */, + PRESHIFT(0x0032e000) /* 0.012420654 */, + PRESHIFT(0x006df000) /* 0.026840210 */, + -PRESHIFT(0x00053000) /* -0.001266479 */, + PRESHIFT(0x0007d000) /* 0.001907349 */, + PRESHIFT(0x00007000) /* 0.000106812 */, + + -PRESHIFT(0x00004000) /* -0.000061035 */, + -PRESHIFT(0x00055000) /* -0.001296997 */, + PRESHIFT(0x000bd000) /* 0.002883911 */, + -PRESHIFT(0x0054c000) /* -0.020690918 */, + PRESHIFT(0x0025d000) /* 0.009231567 */, + -PRESHIFT(0x02403000) /* -0.140670776 */, + -PRESHIFT(0x016ba000) /* -0.088775635 */, + -PRESHIFT(0x0e9be000) /* -0.913055420 */, + PRESHIFT(0x1082d000) /* 1.031936646 */, + PRESHIFT(0x038d4000) /* 0.221984863 */, + PRESHIFT(0x026e7000) /* 0.151962280 */, + PRESHIFT(0x0032e000) /* 0.012420654 */, + PRESHIFT(0x006df000) /* 0.026840210 */, + -PRESHIFT(0x00053000) /* -0.001266479 */, + PRESHIFT(0x0007d000) /* 0.001907349 */, + PRESHIFT(0x00007000) /* 0.000106812 */ }, + + { -PRESHIFT(0x00004000) /* -0.000061035 */, /* 14 */ + -PRESHIFT(0x0005b000) /* -0.001388550 */, + PRESHIFT(0x000b1000) /* 0.002700806 */, + -PRESHIFT(0x00594000) /* -0.021789551 */, + PRESHIFT(0x00192000) /* 0.006134033 */, + -PRESHIFT(0x024c8000) /* -0.143676758 */, + -PRESHIFT(0x01bf2000) /* -0.109161377 */, + -PRESHIFT(0x0ef69000) /* -0.935195923 */, + PRESHIFT(0x103be000) /* 1.014617920 */, + PRESHIFT(0x032b4000) /* 0.198059082 */, + PRESHIFT(0x026bc000) /* 0.151306152 */, + PRESHIFT(0x00221000) /* 0.008316040 */, + PRESHIFT(0x006a2000) /* 0.025909424 */, + -PRESHIFT(0x0006a000) /* -0.001617432 */, + PRESHIFT(0x00075000) /* 0.001785278 */, + PRESHIFT(0x00007000) /* 0.000106812 */, + + -PRESHIFT(0x00004000) /* -0.000061035 */, + -PRESHIFT(0x0005b000) /* -0.001388550 */, + PRESHIFT(0x000b1000) /* 0.002700806 */, + -PRESHIFT(0x00594000) /* -0.021789551 */, + PRESHIFT(0x00192000) /* 0.006134033 */, + -PRESHIFT(0x024c8000) /* -0.143676758 */, + -PRESHIFT(0x01bf2000) /* -0.109161377 */, + -PRESHIFT(0x0ef69000) /* -0.935195923 */, + PRESHIFT(0x103be000) /* 1.014617920 */, + PRESHIFT(0x032b4000) /* 0.198059082 */, + PRESHIFT(0x026bc000) /* 0.151306152 */, + PRESHIFT(0x00221000) /* 0.008316040 */, + PRESHIFT(0x006a2000) /* 0.025909424 */, + -PRESHIFT(0x0006a000) /* -0.001617432 */, + PRESHIFT(0x00075000) /* 0.001785278 */, + PRESHIFT(0x00007000) /* 0.000106812 */ }, + + { -PRESHIFT(0x00005000) /* -0.000076294 */, /* 15 */ + -PRESHIFT(0x00061000) /* -0.001480103 */, + PRESHIFT(0x000a3000) /* 0.002487183 */, + -PRESHIFT(0x005da000) /* -0.022857666 */, + PRESHIFT(0x000b9000) /* 0.002822876 */, + -PRESHIFT(0x02571000) /* -0.146255493 */, + -PRESHIFT(0x0215c000) /* -0.130310059 */, + -PRESHIFT(0x0f4dc000) /* -0.956481934 */, + PRESHIFT(0x0ff0a000) /* 0.996246338 */, + PRESHIFT(0x02cbf000) /* 0.174789429 */, + PRESHIFT(0x0266e000) /* 0.150115967 */, + PRESHIFT(0x00120000) /* 0.004394531 */, + PRESHIFT(0x00662000) /* 0.024932861 */, + -PRESHIFT(0x0007f000) /* -0.001937866 */, + PRESHIFT(0x0006f000) /* 0.001693726 */, + PRESHIFT(0x00006000) /* 0.000091553 */, + + -PRESHIFT(0x00005000) /* -0.000076294 */, + -PRESHIFT(0x00061000) /* -0.001480103 */, + PRESHIFT(0x000a3000) /* 0.002487183 */, + -PRESHIFT(0x005da000) /* -0.022857666 */, + PRESHIFT(0x000b9000) /* 0.002822876 */, + -PRESHIFT(0x02571000) /* -0.146255493 */, + -PRESHIFT(0x0215c000) /* -0.130310059 */, + -PRESHIFT(0x0f4dc000) /* -0.956481934 */, + PRESHIFT(0x0ff0a000) /* 0.996246338 */, + PRESHIFT(0x02cbf000) /* 0.174789429 */, + PRESHIFT(0x0266e000) /* 0.150115967 */, + PRESHIFT(0x00120000) /* 0.004394531 */, + PRESHIFT(0x00662000) /* 0.024932861 */, + -PRESHIFT(0x0007f000) /* -0.001937866 */, + PRESHIFT(0x0006f000) /* 0.001693726 */, + PRESHIFT(0x00006000) /* 0.000091553 */ }, + + { -PRESHIFT(0x00005000) /* -0.000076294 */, /* 16 */ + -PRESHIFT(0x00068000) /* -0.001586914 */, + PRESHIFT(0x00092000) /* 0.002227783 */, + -PRESHIFT(0x0061f000) /* -0.023910522 */, + -PRESHIFT(0x0002d000) /* -0.000686646 */, + -PRESHIFT(0x025ff000) /* -0.148422241 */, + -PRESHIFT(0x026f7000) /* -0.152206421 */, + -PRESHIFT(0x0fa13000) /* -0.976852417 */, + PRESHIFT(0x0fa13000) /* 0.976852417 */, + PRESHIFT(0x026f7000) /* 0.152206421 */, + PRESHIFT(0x025ff000) /* 0.148422241 */, + PRESHIFT(0x0002d000) /* 0.000686646 */, + PRESHIFT(0x0061f000) /* 0.023910522 */, + -PRESHIFT(0x00092000) /* -0.002227783 */, + PRESHIFT(0x00068000) /* 0.001586914 */, + PRESHIFT(0x00005000) /* 0.000076294 */, + + -PRESHIFT(0x00005000) /* -0.000076294 */, + -PRESHIFT(0x00068000) /* -0.001586914 */, + PRESHIFT(0x00092000) /* 0.002227783 */, + -PRESHIFT(0x0061f000) /* -0.023910522 */, + -PRESHIFT(0x0002d000) /* -0.000686646 */, + -PRESHIFT(0x025ff000) /* -0.148422241 */, + -PRESHIFT(0x026f7000) /* -0.152206421 */, + -PRESHIFT(0x0fa13000) /* -0.976852417 */, + PRESHIFT(0x0fa13000) /* 0.976852417 */, + PRESHIFT(0x026f7000) /* 0.152206421 */, + PRESHIFT(0x025ff000) /* 0.148422241 */, + PRESHIFT(0x0002d000) /* 0.000686646 */, + PRESHIFT(0x0061f000) /* 0.023910522 */, + -PRESHIFT(0x00092000) /* -0.002227783 */, + PRESHIFT(0x00068000) /* 0.001586914 */, + PRESHIFT(0x00005000) /* 0.000076294 */ } diff --git a/audio_codec/libmad/bit.c b/audio_codec/libmad/bit.c new file mode 100644 index 0000000..b5550ec --- a/dev/null +++ b/audio_codec/libmad/bit.c @@ -0,0 +1,244 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: bit.c,v 1.12 2004/01/23 09:41:32 rob Exp $ + */ + +# ifdef HAVE_CONFIG_H +# include "config.h" +# endif + +# include "global.h" + +# ifdef HAVE_LIMITS_H +# include +# else +# define CHAR_BIT 8 +# endif + +# include "bit.h" + +/* + * This is the lookup table for computing the CRC-check word. + * As described in section 2.4.3.1 and depicted in Figure A.9 + * of ISO/IEC 11172-3, the generator polynomial is: + * + * G(X) = X^16 + X^15 + X^2 + 1 + */ +static +unsigned short const crc_table[256] = { + 0x0000, 0x8005, 0x800f, 0x000a, 0x801b, 0x001e, 0x0014, 0x8011, + 0x8033, 0x0036, 0x003c, 0x8039, 0x0028, 0x802d, 0x8027, 0x0022, + 0x8063, 0x0066, 0x006c, 0x8069, 0x0078, 0x807d, 0x8077, 0x0072, + 0x0050, 0x8055, 0x805f, 0x005a, 0x804b, 0x004e, 0x0044, 0x8041, + 0x80c3, 0x00c6, 0x00cc, 0x80c9, 0x00d8, 0x80dd, 0x80d7, 0x00d2, + 0x00f0, 0x80f5, 0x80ff, 0x00fa, 0x80eb, 0x00ee, 0x00e4, 0x80e1, + 0x00a0, 0x80a5, 0x80af, 0x00aa, 0x80bb, 0x00be, 0x00b4, 0x80b1, + 0x8093, 0x0096, 0x009c, 0x8099, 0x0088, 0x808d, 0x8087, 0x0082, + + 0x8183, 0x0186, 0x018c, 0x8189, 0x0198, 0x819d, 0x8197, 0x0192, + 0x01b0, 0x81b5, 0x81bf, 0x01ba, 0x81ab, 0x01ae, 0x01a4, 0x81a1, + 0x01e0, 0x81e5, 0x81ef, 0x01ea, 0x81fb, 0x01fe, 0x01f4, 0x81f1, + 0x81d3, 0x01d6, 0x01dc, 0x81d9, 0x01c8, 0x81cd, 0x81c7, 0x01c2, + 0x0140, 0x8145, 0x814f, 0x014a, 0x815b, 0x015e, 0x0154, 0x8151, + 0x8173, 0x0176, 0x017c, 0x8179, 0x0168, 0x816d, 0x8167, 0x0162, + 0x8123, 0x0126, 0x012c, 0x8129, 0x0138, 0x813d, 0x8137, 0x0132, + 0x0110, 0x8115, 0x811f, 0x011a, 0x810b, 0x010e, 0x0104, 0x8101, + + 0x8303, 0x0306, 0x030c, 0x8309, 0x0318, 0x831d, 0x8317, 0x0312, + 0x0330, 0x8335, 0x833f, 0x033a, 0x832b, 0x032e, 0x0324, 0x8321, + 0x0360, 0x8365, 0x836f, 0x036a, 0x837b, 0x037e, 0x0374, 0x8371, + 0x8353, 0x0356, 0x035c, 0x8359, 0x0348, 0x834d, 0x8347, 0x0342, + 0x03c0, 0x83c5, 0x83cf, 0x03ca, 0x83db, 0x03de, 0x03d4, 0x83d1, + 0x83f3, 0x03f6, 0x03fc, 0x83f9, 0x03e8, 0x83ed, 0x83e7, 0x03e2, + 0x83a3, 0x03a6, 0x03ac, 0x83a9, 0x03b8, 0x83bd, 0x83b7, 0x03b2, + 0x0390, 0x8395, 0x839f, 0x039a, 0x838b, 0x038e, 0x0384, 0x8381, + + 0x0280, 0x8285, 0x828f, 0x028a, 0x829b, 0x029e, 0x0294, 0x8291, + 0x82b3, 0x02b6, 0x02bc, 0x82b9, 0x02a8, 0x82ad, 0x82a7, 0x02a2, + 0x82e3, 0x02e6, 0x02ec, 0x82e9, 0x02f8, 0x82fd, 0x82f7, 0x02f2, + 0x02d0, 0x82d5, 0x82df, 0x02da, 0x82cb, 0x02ce, 0x02c4, 0x82c1, + 0x8243, 0x0246, 0x024c, 0x8249, 0x0258, 0x825d, 0x8257, 0x0252, + 0x0270, 0x8275, 0x827f, 0x027a, 0x826b, 0x026e, 0x0264, 0x8261, + 0x0220, 0x8225, 0x822f, 0x022a, 0x823b, 0x023e, 0x0234, 0x8231, + 0x8213, 0x0216, 0x021c, 0x8219, 0x0208, 0x820d, 0x8207, 0x0202 +}; + +# define CRC_POLY 0x8005 + +/* + * NAME: bit->init() + * DESCRIPTION: initialize bit pointer struct + */ +void mad_bit_init(struct mad_bitptr *bitptr, unsigned char const *byte) +{ + bitptr->byte = byte; + bitptr->cache = 0; + bitptr->left = CHAR_BIT; +} + +/* + * NAME: bit->length() + * DESCRIPTION: return number of bits between start and end points + */ +unsigned int mad_bit_length(struct mad_bitptr const *begin, + struct mad_bitptr const *end) +{ + return begin->left + + CHAR_BIT * (end->byte - (begin->byte + 1)) + (CHAR_BIT - end->left); +} + +/* + * NAME: bit->nextbyte() + * DESCRIPTION: return pointer to next unprocessed byte + */ +unsigned char const *mad_bit_nextbyte(struct mad_bitptr const *bitptr) +{ + return bitptr->left == CHAR_BIT ? bitptr->byte : bitptr->byte + 1; +} + +/* + * NAME: bit->skip() + * DESCRIPTION: advance bit pointer + */ +void mad_bit_skip(struct mad_bitptr *bitptr, unsigned int len) +{ + bitptr->byte += len / CHAR_BIT; + bitptr->left -= len % CHAR_BIT; + + if (bitptr->left > CHAR_BIT) { + bitptr->byte++; + bitptr->left += CHAR_BIT; + } + + if (bitptr->left < CHAR_BIT) { + bitptr->cache = *bitptr->byte; + } +} + +/* + * NAME: bit->read() + * DESCRIPTION: read an arbitrary number of bits and return their UIMSBF value + */ +unsigned long mad_bit_read(struct mad_bitptr *bitptr, unsigned int len) +{ + register unsigned long value; + + if (bitptr->left == CHAR_BIT) { + bitptr->cache = *bitptr->byte; + } + + if (len < bitptr->left) { + value = (bitptr->cache & ((1 << bitptr->left) - 1)) >> + (bitptr->left - len); + bitptr->left -= len; + + return value; + } + + /* remaining bits in current byte */ + + value = bitptr->cache & ((1 << bitptr->left) - 1); + len -= bitptr->left; + + bitptr->byte++; + bitptr->left = CHAR_BIT; + + /* more bytes */ + + while (len >= CHAR_BIT) { + value = (value << CHAR_BIT) | *bitptr->byte++; + len -= CHAR_BIT; + } + + if (len > 0) { + bitptr->cache = *bitptr->byte; + + value = (value << len) | (bitptr->cache >> (CHAR_BIT - len)); + bitptr->left -= len; + } + + return value; +} + +# if 0 +/* + * NAME: bit->write() + * DESCRIPTION: write an arbitrary number of bits + */ +void mad_bit_write(struct mad_bitptr *bitptr, unsigned int len, + unsigned long value) +{ + unsigned char *ptr; + + ptr = (unsigned char *) bitptr->byte; + + /* ... */ +} +# endif + +/* + * NAME: bit->crc() + * DESCRIPTION: compute CRC-check word + */ +unsigned short mad_bit_crc(struct mad_bitptr bitptr, unsigned int len, + unsigned short init) +{ + register unsigned int crc; + + for (crc = init; len >= 32; len -= 32) { + register unsigned long data; + + data = mad_bit_read(&bitptr, 32); + + crc = (crc << 8) ^ crc_table[((crc >> 8) ^(data >> 24)) & 0xff]; + crc = (crc << 8) ^ crc_table[((crc >> 8) ^(data >> 16)) & 0xff]; + crc = (crc << 8) ^ crc_table[((crc >> 8) ^(data >> 8)) & 0xff]; + crc = (crc << 8) ^ crc_table[((crc >> 8) ^(data >> 0)) & 0xff]; + } + + switch (len / 8) { + case 3: + crc = (crc << 8) ^ + crc_table[((crc >> 8) ^ mad_bit_read(&bitptr, 8)) & 0xff]; + case 2: + crc = (crc << 8) ^ + crc_table[((crc >> 8) ^ mad_bit_read(&bitptr, 8)) & 0xff]; + case 1: + crc = (crc << 8) ^ + crc_table[((crc >> 8) ^ mad_bit_read(&bitptr, 8)) & 0xff]; + + len %= 8; + + case 0: + break; + } + + while (len--) { + register unsigned int msb; + + msb = mad_bit_read(&bitptr, 1) ^(crc >> 15); + + crc <<= 1; + if (msb & 1) { + crc ^= CRC_POLY; + } + } + + return crc & 0xffff; +} diff --git a/audio_codec/libmad/bit.h b/audio_codec/libmad/bit.h new file mode 100644 index 0000000..db6092a --- a/dev/null +++ b/audio_codec/libmad/bit.h @@ -0,0 +1,47 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: bit.h,v 1.12 2004/01/23 09:41:32 rob Exp $ + */ + +# ifndef LIBMAD_BIT_H +# define LIBMAD_BIT_H + +struct mad_bitptr { + unsigned char const *byte; + unsigned short cache; + unsigned short left; +}; + +void mad_bit_init(struct mad_bitptr *, unsigned char const *); + +# define mad_bit_finish(bitptr) /* nothing */ + +unsigned int mad_bit_length(struct mad_bitptr const *, + struct mad_bitptr const *); + +# define mad_bit_bitsleft(bitptr) ((bitptr)->left) +unsigned char const *mad_bit_nextbyte(struct mad_bitptr const *); + +void mad_bit_skip(struct mad_bitptr *, unsigned int); +unsigned long mad_bit_read(struct mad_bitptr *, unsigned int); +void mad_bit_write(struct mad_bitptr *, unsigned int, unsigned long); + +unsigned short mad_bit_crc(struct mad_bitptr, unsigned int, unsigned short); + +# endif diff --git a/audio_codec/libmad/config.h b/audio_codec/libmad/config.h new file mode 100644 index 0000000..c17238c --- a/dev/null +++ b/audio_codec/libmad/config.h @@ -0,0 +1,133 @@ +/* config.h. Generated by configure. */ +/* config.h.in. Generated from configure.ac by autoheader. */ + +#define FPM_DEFAULT +#define HAVE_CONFIG_H + +/* Define to enable diagnostic debugging support. */ +/* #undef DEBUG */ + +/* Define to enable experimental code. */ +/* #undef EXPERIMENTAL */ + +/* Define to 1 if you have the header file. */ +#define HAVE_ASSERT_H 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_DLFCN_H */ + +/* Define to 1 if you have the header file. */ +#define HAVE_ERRNO_H 1 + +/* Define to 1 if you have the `fcntl' function. */ +/* #undef HAVE_FCNTL */ + +/* Define to 1 if you have the header file. */ +#define HAVE_FCNTL_H 1 + +/* Define to 1 if you have the `fork' function. */ +/* #undef HAVE_FORK */ + +/* Define to 1 if you have the header file. */ +#define HAVE_INTTYPES_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_LIMITS_H 1 + +/* Define if your MIPS CPU supports a 2-operand MADD16 instruction. */ +/* #undef HAVE_MADD16_ASM */ + +/* Define if your MIPS CPU supports a 2-operand MADD instruction. */ +/* #undef HAVE_MADD_ASM */ + +/* Define to 1 if you have the header file. */ +#define HAVE_MEMORY_H 1 + +/* Define to 1 if you have the `pipe' function. */ +/* #undef HAVE_PIPE */ + +/* Define to 1 if you have the header file. */ +#define HAVE_STDINT_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STDLIB_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STRINGS_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STRING_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_STAT_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_TYPES_H 1 + +/* Define to 1 if you have that is POSIX.1 compatible. */ +/* #undef HAVE_SYS_WAIT_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_UNISTD_H */ + +/* Define to 1 if you have the `waitpid' function. */ +/* #undef HAVE_WAITPID */ + +/* Define to disable debugging assertions. */ +/* #undef NDEBUG */ + +/* Define to optimize for accuracy over speed. */ +/* #undef OPT_ACCURACY */ + +/* Define to optimize for speed over accuracy. */ +/* #undef OPT_SPEED */ + +/* Define to enable a fast subband synthesis approximation optimization. */ +/* #undef OPT_SSO */ + +/* Define to influence a strict interpretation of the ISO/IEC standards, even + if this is in opposition with best accepted practices. */ +/* #undef OPT_STRICT */ + +/* Name of package */ +#define PACKAGE "libmad" + +/* Define to the address where bug reports for this package should be sent. */ +#define PACKAGE_BUGREPORT "support@underbit.com" + +/* Define to the full name of this package. */ +#define PACKAGE_NAME "MPEG Audio Decoder" + +/* Define to the full name and version of this package. */ +#define PACKAGE_STRING "MPEG Audio Decoder 0.15.1b" + +/* Define to the one symbol short name of this package. */ +#define PACKAGE_TARNAME "libmad" + +/* Define to the version of this package. */ +#define PACKAGE_VERSION "0.15.1b" + +/* The size of a `int', as computed by sizeof. */ +#define SIZEOF_INT 4 + +/* The size of a `long', as computed by sizeof. */ +#define SIZEOF_LONG 4 + +/* The size of a `long long', as computed by sizeof. */ +#define SIZEOF_LONG_LONG 8 + +/* Define to 1 if you have the ANSI C header files. */ +#define STDC_HEADERS 1 + +/* Version number of package */ +#define VERSION "0.15.1b" + +/* Define to empty if `const' does not conform to ANSI C. */ +/* #undef const */ + +/* Define as `__inline' if that's what the C compiler calls it, or to nothing + if it is not supported. */ +#define inline __inline + +/* Define to `int' if does not define. */ +/* #undef pid_t */ diff --git a/audio_codec/libmad/decoder.c b/audio_codec/libmad/decoder.c new file mode 100644 index 0000000..fbc7135 --- a/dev/null +++ b/audio_codec/libmad/decoder.c @@ -0,0 +1,1102 @@ +/* +* libmad - MPEG audio decoder library +* Copyright (C) 2000-2004 Underbit Technologies, Inc. +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +* +* $Id: decoder.c,v 1.22 2004/01/23 09:41:32 rob Exp $ +*/ + +#include +# include +#include + +# ifdef HAVE_CONFIG_H +# include "config.h" +# endif + +# include "global.h" + +# ifdef HAVE_SYS_TYPES_H +# include +# endif + +# ifdef HAVE_SYS_WAIT_H +# include +# endif + +# ifdef HAVE_UNISTD_H +# include +# endif + +# ifdef HAVE_FCNTL_H +# include +# endif + +# include + +# ifdef HAVE_ERRNO_H +# include +# endif + +# include "stream.h" +# include "frame.h" +# include "synth.h" +# include "decoder.h" + +#ifndef _WIN32 +#include "../../amadec/adec-armdec-mgt.h" +#include +#define LOG_TAG "MadDecoder" +#define audio_codec_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#else +#define audio_codec_print printf +#endif + +#define MUTE_S 0.08 + + +struct mad_decoder decoder; +char *pcm_out_data; +int *pcm_out_len; +enum mad_flow(*error_func)(void *, struct mad_stream *, struct mad_frame *); +void *error_data; +int bad_last_frame = 0; +struct mad_stream *stream; +struct mad_frame *frame; +struct mad_synth *synth; +int result = 0; +static int last_sr = -1; +static int last_ch_num = -1; + +/* +* This is a private message structure. A generic pointer to this structure +* is passed to each of the callback functions. Put here any data you need +* to access from within the callbacks. +*/ + +struct buffer { + unsigned char *start; + unsigned long length; +}; + + +enum tagtype { + TAGTYPE_NONE = 0, + TAGTYPE_ID3V1, + TAGTYPE_ID3V2, + TAGTYPE_ID3V2_FOOTER +}; + +unsigned long id3_parse_uint(char **ptr, unsigned int bytes) +{ + unsigned long value = 0; + + switch (bytes) { + case 4: + value = (value << 8) | *(*ptr)++; + case 3: + value = (value << 8) | *(*ptr)++; + case 2: + value = (value << 8) | *(*ptr)++; + case 1: + value = (value << 8) | *(*ptr)++; + } + + return value; +} + +unsigned long id3_parse_syncsafe(char **ptr, unsigned int bytes) +{ + unsigned long value = 0; + + switch (bytes) { + case 5: + value = (value << 4) | (*(*ptr)++ & 0x0f); + case 4: + value = (value << 7) | (*(*ptr)++ & 0x7f); + value = (value << 7) | (*(*ptr)++ & 0x7f); + value = (value << 7) | (*(*ptr)++ & 0x7f); + value = (value << 7) | (*(*ptr)++ & 0x7f); + } + + return value; +} +static +void parse_header(char **ptr, + unsigned int *version, int *flags, int *size) +{ + *ptr += 3; + + *version = id3_parse_uint(ptr, 2); + *flags = id3_parse_uint(ptr, 1); + *size = id3_parse_syncsafe(ptr, 4); +} + +enum tagtype tagtype(char *data, int length) +{ + if (length >= 3 && + data[0] == 'T' && data[1] == 'A' && data[2] == 'G') { + return TAGTYPE_ID3V1; + } + + if (length >= 10 && + ((data[0] == 'I' && data[1] == 'D' && data[2] == '3') || + (data[0] == '3' && data[1] == 'D' && data[2] == 'I')) && + data[3] < 0xff && data[4] < 0xff && + data[6] < 0x80 && data[7] < 0x80 && data[8] < 0x80 && data[9] < 0x80) { + return data[0] == 'I' ? TAGTYPE_ID3V2 : TAGTYPE_ID3V2_FOOTER; + } + + return TAGTYPE_NONE; +} + +int id3_tag_query(char *data, int length) +{ + unsigned int version; + int flags; + int size; + + switch (tagtype(data, length)) { + case TAGTYPE_ID3V1: + return 128; + + case TAGTYPE_ID3V2: + parse_header(&data, &version, &flags, &size); + + if (flags) { + size += 10; + } + + return 10 + size; + + case TAGTYPE_ID3V2_FOOTER: + parse_header(&data, &version, &flags, &size); + return -size - 10; + + case TAGTYPE_NONE: + break; + } + + return 0; +} + + +/* +* NAME: decoder->init() +* DESCRIPTION: initialize a decoder object with callback routines +*/ +void mad_decoder_init(struct mad_decoder *decoder, void *data, + enum mad_flow(*input_func)(void *, + struct mad_stream *), + enum mad_flow(*header_func)(void *, + struct mad_header const *), + enum mad_flow(*filter_func)(void *, + struct mad_stream const *, + struct mad_frame *), + enum mad_flow(*output_func)(void *, + struct mad_header const *, + struct mad_pcm *), + enum mad_flow(*error_func)(void *, + struct mad_stream *, + struct mad_frame *), + enum mad_flow(*message_func)(void *, + void *, unsigned int *)) +{ + decoder->mode = -1; + + decoder->options = 0; + + decoder->async.pid = 0; + decoder->async.in = -1; + decoder->async.out = -1; + + decoder->sync = 0; + + decoder->cb_data = 0;//data; + + decoder->input_func = input_func; + decoder->header_func = header_func; + decoder->filter_func = filter_func; + decoder->output_func = output_func; + decoder->error_func = error_func; + decoder->message_func = message_func; +} + +int mad_decoder_finish(struct mad_decoder *decoder) +{ +# if defined(USE_ASYNC) + if (decoder->mode == MAD_DECODER_MODE_ASYNC && decoder->async.pid) { + pid_t pid; + int status; + + close(decoder->async.in); + + do { + pid = waitpid(decoder->async.pid, &status, 0); + } while (pid == -1 && errno == EINTR); + + decoder->mode = -1; + + close(decoder->async.out); + + decoder->async.pid = 0; + decoder->async.in = -1; + decoder->async.out = -1; + + if (pid == -1) { + return -1; + } + + return (!WIFEXITED(status) || WEXITSTATUS(status)) ? -1 : 0; + } +# endif + + return 0; +} + +# if defined(USE_ASYNC) +static +enum mad_flow send_io(int fd, void const *data, size_t len) +{ + char const *ptr = data; + ssize_t count; + + while (len) { + do { + count = write(fd, ptr, len); + } while (count == -1 && errno == EINTR); + + if (count == -1) { + return MAD_FLOW_BREAK; + } + + len -= count; + ptr += count; + } + + return MAD_FLOW_CONTINUE; +} + +static +enum mad_flow receive_io(int fd, void *buffer, size_t len) +{ + char *ptr = buffer; + ssize_t count; + + while (len) { + do { + count = read(fd, ptr, len); + } while (count == -1 && errno == EINTR); + + if (count == -1) { + return (errno == EAGAIN) ? MAD_FLOW_IGNORE : MAD_FLOW_BREAK; + } else if (count == 0) { + return MAD_FLOW_STOP; + } + + len -= count; + ptr += count; + } + + return MAD_FLOW_CONTINUE; +} + +static +enum mad_flow receive_io_blocking(int fd, void *buffer, size_t len) +{ + int flags, blocking; + enum mad_flow result; + + flags = fcntl(fd, F_GETFL); + if (flags == -1) { + return MAD_FLOW_BREAK; + } + + blocking = flags & ~O_NONBLOCK; + + if (blocking != flags && + fcntl(fd, F_SETFL, blocking) == -1) { + return MAD_FLOW_BREAK; + } + + result = receive_io(fd, buffer, len); + + if (flags != blocking && + fcntl(fd, F_SETFL, flags) == -1) { + return MAD_FLOW_BREAK; + } + + return result; +} + +static +enum mad_flow send(int fd, void const *message, unsigned int size) +{ + enum mad_flow result; + + /* send size */ + + result = send_io(fd, &size, sizeof(size)); + + /* send message */ + + if (result == MAD_FLOW_CONTINUE) { + result = send_io(fd, message, size); + } + + return result; +} + +static +enum mad_flow receive(int fd, void **message, unsigned int *size) +{ + enum mad_flow result; + unsigned int actual; + + if (*message == 0) { + *size = 0; + } + + /* receive size */ + + result = receive_io(fd, &actual, sizeof(actual)); + + /* receive message */ + + if (result == MAD_FLOW_CONTINUE) { + if (actual > *size) { + actual -= *size; + } else { + *size = actual; + actual = 0; + } + + if (*size > 0) { + if (*message == 0) { + *message = malloc(*size); + if (*message == 0) { + return MAD_FLOW_BREAK; + } + } + + result = receive_io_blocking(fd, *message, *size); + } + + /* throw away remainder of message */ + + while (actual && result == MAD_FLOW_CONTINUE) { + char sink[256]; + unsigned int len; + + len = actual > sizeof(sink) ? sizeof(sink) : actual; + + result = receive_io_blocking(fd, sink, len); + + actual -= len; + } + } + + return result; +} + +static +enum mad_flow check_message(struct mad_decoder *decoder) +{ + enum mad_flow result; + void *message = 0; + unsigned int size; + + result = receive(decoder->async.in, &message, &size); + + if (result == MAD_FLOW_CONTINUE) { + if (decoder->message_func == 0) { + size = 0; + } else { + result = decoder->message_func(decoder->cb_data, message, &size); + + if (result == MAD_FLOW_IGNORE || + result == MAD_FLOW_BREAK) { + size = 0; + } + } + + if (send(decoder->async.out, message, size) != MAD_FLOW_CONTINUE) { + result = MAD_FLOW_BREAK; + } + } + + if (message) { + free(message); + } + + return result; +} +# endif + +static +enum mad_flow error_default(void *data, struct mad_stream *stream, + struct mad_frame *frame) +{ + int *bad_last_frame = data; + + switch (stream->error) { + case MAD_ERROR_BADCRC: + if (*bad_last_frame) { + mad_frame_mute(frame); + } else { + *bad_last_frame = 1; + } + + return MAD_FLOW_IGNORE; + + default: + return MAD_FLOW_CONTINUE; + } +} + +static +int run_sync(struct mad_decoder *decoder) +{ + + /* + if (decoder->input_func == 0) + return 0; + + if (decoder->error_func) { + error_func = decoder->error_func; + //error_data = decoder->cb_data; + } + else { + error_func = error_default; + error_data = &bad_last_frame; + } + + stream = &decoder->sync->stream; + frame = &decoder->sync->frame; + synth = &decoder->sync->synth; + + mad_stream_init(stream); + mad_frame_init(frame); + mad_synth_init(synth); + + mad_stream_options(stream, decoder->options); + */ + do { + switch (decoder->input_func(decoder->cb_data, stream)) { + case MAD_FLOW_STOP: + goto done; + case MAD_FLOW_BREAK: + goto fail; + case MAD_FLOW_IGNORE: + continue; + case MAD_FLOW_CONTINUE: + break; + } + + while (1) { +# if defined(USE_ASYNC) + if (decoder->mode == MAD_DECODER_MODE_ASYNC) { + switch (check_message(decoder)) { + case MAD_FLOW_IGNORE: + case MAD_FLOW_CONTINUE: + break; + case MAD_FLOW_BREAK: + goto fail; + case MAD_FLOW_STOP: + goto done; + } + } +# endif + + if (decoder->header_func) { + if (mad_header_decode(&frame->header, stream) == -1) { + if (!MAD_RECOVERABLE(stream->error)) { + break; + } + + switch (error_func(decoder->cb_data, stream, frame)) { + case MAD_FLOW_STOP: + goto done; + case MAD_FLOW_BREAK: + goto fail; + case MAD_FLOW_IGNORE: + case MAD_FLOW_CONTINUE: + default: + continue; + } + } + + switch (decoder->header_func(decoder->cb_data, &frame->header)) { + case MAD_FLOW_STOP: + goto done; + case MAD_FLOW_BREAK: + goto fail; + case MAD_FLOW_IGNORE: + continue; + case MAD_FLOW_CONTINUE: + break; + } + } + + if (mad_frame_decode(frame, stream) == -1) { + if (!MAD_RECOVERABLE(stream->error)) { + break; + } + + switch (error_func(decoder->cb_data, stream, frame)) { + case MAD_FLOW_STOP: + goto done; + case MAD_FLOW_BREAK: + goto fail; + case MAD_FLOW_IGNORE: + // for this error,we should skip one bytes for another frame sync,otherwise no chance to cosume data again + if (stream->this_frame == stream->buffer) { + stream->this_frame = stream->buffer + 1; + } + audio_codec_print("[%s,%d] MAD_FLOW_IGNORE\n", __FUNCTION__, __LINE__); + goto fail; + break; + case MAD_FLOW_CONTINUE: + default: + continue; + } + } else { + bad_last_frame = 0; + } + + if (decoder->filter_func) { + switch (decoder->filter_func(decoder->cb_data, stream, frame)) { + case MAD_FLOW_STOP: + goto done; + case MAD_FLOW_BREAK: + goto fail; + case MAD_FLOW_IGNORE: + continue; + case MAD_FLOW_CONTINUE: + break; + } + } + + mad_synth_frame(synth, frame); + + if (decoder->output_func) { + switch (decoder->output_func(decoder->cb_data, + &frame->header, &synth->pcm)) { + case MAD_FLOW_STOP: + goto done; + case MAD_FLOW_BREAK: + goto fail; + case MAD_FLOW_IGNORE: + case MAD_FLOW_CONTINUE: + break; + } + } + } + } while (stream->error == MAD_ERROR_BUFLEN); + +fail: + result = -1; + +done: + /* + mad_synth_finish(synth); + mad_frame_finish(frame); + mad_stream_finish(stream); + */ + //return result; + return stream->this_frame - stream->buffer; +} + +# if defined(USE_ASYNC) +static +int run_async(struct mad_decoder *decoder) +{ + pid_t pid; + int ptoc[2], ctop[2], flags; + + if (pipe(ptoc) == -1) { + return -1; + } + + if (pipe(ctop) == -1) { + close(ptoc[0]); + close(ptoc[1]); + return -1; + } + + flags = fcntl(ptoc[0], F_GETFL); + if (flags == -1 || + fcntl(ptoc[0], F_SETFL, flags | O_NONBLOCK) == -1) { + close(ctop[0]); + close(ctop[1]); + close(ptoc[0]); + close(ptoc[1]); + return -1; + } + + pid = fork(); + if (pid == -1) { + close(ctop[0]); + close(ctop[1]); + close(ptoc[0]); + close(ptoc[1]); + return -1; + } + + decoder->async.pid = pid; + + if (pid) { + /* parent */ + + close(ptoc[0]); + close(ctop[1]); + + decoder->async.in = ctop[0]; + decoder->async.out = ptoc[1]; + + return 0; + } + + /* child */ + + close(ptoc[1]); + close(ctop[0]); + + decoder->async.in = ptoc[0]; + decoder->async.out = ctop[1]; + + _exit(run_sync(decoder)); + + /* not reached */ + return -1; +} +# endif + +/* +* NAME: decoder->run() +* DESCRIPTION: run the decoder thread either synchronously or asynchronously +*/ +int mad_decoder_run(struct mad_decoder *decoder, enum mad_decoder_mode mode) +{ + int result; + int (*run)(struct mad_decoder *) = 0; + + switch (decoder->mode = mode) { + case MAD_DECODER_MODE_SYNC: + run = run_sync; + break; + + case MAD_DECODER_MODE_ASYNC: +# if defined(USE_ASYNC) + run = run_async; +# endif + break; + } + + if (run == 0) { + return -1; + } + + //decoder->sync = malloc(sizeof(*decoder->sync)); + if (decoder->sync == 0) { + return -1; + } + + result = run(decoder); + + //free(decoder->sync); + //decoder->sync = 0; + + return result; +} + +/* +* NAME: decoder->message() +* DESCRIPTION: send a message to and receive a reply from the decoder process +*/ +int mad_decoder_message(struct mad_decoder *decoder, + void *message, unsigned int *len) +{ +# if defined(USE_ASYNC) + if (decoder->mode != MAD_DECODER_MODE_ASYNC || + send(decoder->async.out, message, *len) != MAD_FLOW_CONTINUE || + receive(decoder->async.in, &message, len) != MAD_FLOW_CONTINUE) { + return -1; + } + + return 0; +# else + return -1; +# endif +} + + +/* +* This is the input callback. The purpose of this callback is to (re)fill +* the stream buffer which is to be decoded. In this example, an entire file +* has been mapped into memory, so we just call mad_stream_buffer() with the +* address and length of the mapping. When this callback is called a second +* time, we are finished decoding. +*/ + +static +enum mad_flow input(void *data, + struct mad_stream *stream) +{ + struct buffer *buffer = data; + + if (!buffer->length) { + return MAD_FLOW_STOP; + } + + mad_stream_buffer(stream, buffer->start, buffer->length); + + buffer->length = 0; + + return MAD_FLOW_CONTINUE; +} + +/* +* The following utility routine performs simple rounding, clipping, and +* scaling of MAD's high-resolution samples down to 16 bits. It does not +* perform any dithering or noise shaping, which would be recommended to +* obtain any exceptional audio quality. It is therefore not recommended to +* use this routine if high-quality output is desired. +*/ + +static +signed int scale(mad_fixed_t sample) +{ + /* round */ + sample += (1L << (MAD_F_FRACBITS - 16)); + + /* clip */ + if (sample >= MAD_F_ONE) { + sample = MAD_F_ONE - 1; + } else if (sample < -MAD_F_ONE) { + sample = -MAD_F_ONE; + } + + /* quantize */ + return sample >> (MAD_F_FRACBITS + 1 - 16); +} + +/* +* This is the output callback function. It is called after each frame of +* MPEG audio data has been completely decoded. The purpose of this callback +* is to output (or play) the decoded PCM audio. +*/ + +static +enum mad_flow output(void *data, + struct mad_header const *header, + struct mad_pcm *pcm) +{ + unsigned int nchannels, nsamples; + mad_fixed_t const *left_ch, *right_ch; + + /* pcm->samplerate contains the sampling frequency */ + + nchannels = pcm->channels; + nsamples = pcm->length; + left_ch = pcm->samples[0]; + right_ch = pcm->samples[1]; + //*pcm_out_len += 4608; + /*store the last channel num and sr info */ + if (last_ch_num != nchannels) { + last_ch_num = nchannels; + } + if (last_sr != pcm->samplerate) { + last_sr = pcm->samplerate; + } + *pcm_out_len += pcm->length * 2 * (header->mode > 0 ? 2 : 1);; + + if (stream->muted_samples == 0) { + stream->muted_samples = pcm->samplerate * pcm->channels * MUTE_S; + } + if (stream->muted_count < stream->muted_samples) { + memset(pcm_out_data, 0, 2 * nsamples); + stream->muted_count += nsamples; + goto output1; + } + + while (nsamples--) { + signed int sample_l; + signed int sample_r; + + /* output sample(s) in 16-bit signed little-endian PCM */ + + sample_l = scale(*left_ch++); + //putchar((sample >> 0) & 0xff); + //putchar((sample >> 8) & 0xff); + pcm_out_data[0] = sample_l >> 0; + pcm_out_data[1] = sample_l >> 8; + pcm_out_data += 2; + if (nchannels == 2) { + sample_r = scale(*right_ch++); + //putchar((sample >> 0) & 0xff); + //putchar((sample >> 8) & 0xff); + pcm_out_data[0] = sample_r >> 0; + pcm_out_data[1] = sample_r >> 8; + pcm_out_data += 2; + } + + } +output1: + stream->this_frame = stream->next_frame; + return MAD_FLOW_STOP; + //return MAD_FLOW_CONTINUE; +} + +/* +* This is the error callback function. It is called whenever a decoding +* error occurs. The error is indicated by stream->error; the list of +* possible MAD_ERROR_* errors can be found in the mad.h (or stream.h) +* header file. +*/ + +static +enum mad_flow error(void *data, + struct mad_stream *stream, + struct mad_frame *frame) +{ + struct buffer *buffer = data; + int tagsize; + switch (stream->error) { + case MAD_ERROR_LOSTSYNC: + tagsize = id3_tag_query(stream->this_frame, + stream->bufend - stream->this_frame); + if (tagsize > 0) { + stream->skiplen = tagsize; + + audio_codec_print("id3 info, size = %d, just skip it!\n", tagsize); + + return MAD_FLOW_CONTINUE; + } + + /* fall through */ + + default: + break; + } + audio_codec_print("decoding error 0x%04x (%s) at byte offset %u\n", + stream->error, mad_stream_errorstr(stream), + stream->this_frame - stream->buffer); + + /* return MAD_FLOW_BREAK here to stop decoding (and propagate an error) */ + if (stream->error == MAD_ERROR_BADBITALLOC) { + return MAD_FLOW_IGNORE; + } + + return MAD_FLOW_CONTINUE; +} + +/* +* This is the function called by main() above to perform all the decoding. +* It instantiates a decoder object and configures it with the input, +* output, and error callback functions above. A single call to +* mad_decoder_run() continues until a callback function returns +* MAD_FLOW_STOP (to stop decoding) or MAD_FLOW_BREAK (to stop decoding and +* signal an error). +*/ + +int audio_dec_decode( +#ifndef _WIN32 + audio_decoder_operations_t *adec_ops, +#endif + char *outbuf, int *outlen, char *inbuf, int inlen/*unsigned char const *start, unsigned long length*/) +{ + int result; + struct buffer buffer; + + buffer.start = inbuf; + buffer.length = inlen; + + /* initialize our private message structure */ + + pcm_out_data = outbuf; + pcm_out_len = outlen; + *pcm_out_len = 0; + + /* configure input, output, and error functions */ + decoder.cb_data = &buffer; + + /* start decoding */ + result = mad_decoder_run(&decoder, MAD_DECODER_MODE_SYNC); + + /* release the decoder */ + + return result; +} + +int audio_dec_init( +#ifndef _WIN32 + audio_decoder_operations_t *adec_ops +#endif +) +{ + //audio_codec_print("\n\n[%s]BuildDate--%s BuildTime--%s", __FUNCTION__, __DATE__, __TIME__); + memset(&decoder, 0, sizeof(struct mad_decoder)); + + mad_decoder_init(&decoder, 0/*&buffer*/, + input, 0 /* header */, 0 /* filter */, output, + error, 0 /* message */); + + if (decoder.input_func == 0) { + return -1; + } + + if (decoder.error_func) { + error_func = decoder.error_func; + //error_data = decoder->cb_data; + } else { + error_func = error_default; + error_data = &bad_last_frame; + } + + decoder.sync = malloc(sizeof(*decoder.sync)); + stream = &decoder.sync->stream; + frame = &decoder.sync->frame; + synth = &decoder.sync->synth; + + mad_stream_init(stream); + mad_frame_init(frame); + mad_synth_init(synth); + + mad_stream_options(stream, decoder.options); + +#ifndef _WIN32 + adec_ops->nInBufSize = 5 * 1024; + adec_ops->nOutBufSize = 64 * 1024; +#endif + + stream->muted_samples = 0; + stream->muted_count = 0; + audio_codec_print("libmad init ok!\n"); + + return 0; +} + +#ifndef _WIN32 +int audio_dec_getinfo(audio_decoder_operations_t *adec_ops, void *pAudioInfo) +{ + if (last_ch_num <= 0 || last_sr <= 0) { + return 0; + } + ((AudioInfo *)pAudioInfo)->channels = last_ch_num; + ((AudioInfo *)pAudioInfo)->samplerate = last_sr; + adec_ops->NchOriginal = last_ch_num; + return 0; +} +#endif + +int audio_dec_release( +#ifndef _WIN32 + audio_decoder_operations_t *adec_ops +#endif +) +{ + + + mad_synth_finish(synth); + mad_frame_finish(frame); + mad_stream_finish(stream); + + free(decoder.sync); + + mad_decoder_finish(&decoder); + + stream->muted_samples = 0; + stream->muted_count = 0; + + audio_codec_print("libmad release ok!\n"); + + return 0; +} +// win test +#ifdef _WIN32 +char *filename = "mnjr.mp3"; +char *filename2 = "mnjr.pcm"; +FILE *fp; +FILE *fp2; +int main(int argc, char *argv[]) +{ + char *outbuf; + int *outlen; + char *inbuf; + int inlen; + int size; + int rlen; + + size = 0; + inlen = 0; + inbuf = (char *)malloc(50001); + outbuf = (char *)malloc(1920000); + outlen = (int *)malloc(5); + + //init + fp = fopen(filename, "rb"); + if (fp == NULL) { + printf("open input file failed!\n"); + return 0; + } + fp2 = fopen(filename2, "wb"); + + audio_dec_init(); + + do { + //input + if (size) { + memmove(inbuf, inbuf + size, 20000 - size); + rlen = size; + } else { + rlen = 20000; + } + + inlen = fread(inbuf + 20000 - rlen, 1, rlen, fp); + + if (inlen == rlen) { + inlen = 20000; + } + + //decode + size = audio_dec_decode( +#ifndef _WIN32 + adec_ops, +#endif + outbuf, outlen, inbuf, inlen); + + //output + fwrite(outbuf, 1, *outlen, fp2); + + } while (inlen == 20000); + + //release + audio_dec_release(); + *pcm_out_data = NULL; + *pcm_out_len = NULL; + free(inbuf); + free(outbuf); + free(outlen); + fclose(fp); + fclose(fp2); + inbuf = NULL; + outbuf = NULL; + outlen = NULL; + + return size; +} +#endif diff --git a/audio_codec/libmad/decoder.h b/audio_codec/libmad/decoder.h new file mode 100644 index 0000000..9d95d2d --- a/dev/null +++ b/audio_codec/libmad/decoder.h @@ -0,0 +1,91 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: decoder.h,v 1.17 2004/01/23 09:41:32 rob Exp $ + */ + +# ifndef LIBMAD_DECODER_H +# define LIBMAD_DECODER_H + +# include "stream.h" +# include "frame.h" +# include "synth.h" + +enum mad_decoder_mode { + MAD_DECODER_MODE_SYNC = 0, + MAD_DECODER_MODE_ASYNC +}; + +enum mad_flow { + MAD_FLOW_CONTINUE = 0x0000, /* continue normally */ + MAD_FLOW_STOP = 0x0010, /* stop decoding normally */ + MAD_FLOW_BREAK = 0x0011, /* stop decoding and signal an error */ + MAD_FLOW_IGNORE = 0x0020 /* ignore the current frame */ +}; + +struct mad_decoder { + enum mad_decoder_mode mode; + + int options; + + struct { + long pid; + int in; + int out; + } async; + + struct { + struct mad_stream stream; + struct mad_frame frame; + struct mad_synth synth; + } *sync; + + void *cb_data; + + enum mad_flow(*input_func)(void *, struct mad_stream *); + enum mad_flow(*header_func)(void *, struct mad_header const *); + enum mad_flow(*filter_func)(void *, + struct mad_stream const *, struct mad_frame *); + enum mad_flow(*output_func)(void *, + struct mad_header const *, struct mad_pcm *); + enum mad_flow(*error_func)(void *, struct mad_stream *, struct mad_frame *); + enum mad_flow(*message_func)(void *, void *, unsigned int *); +}; + +void mad_decoder_init(struct mad_decoder *, void *, + enum mad_flow(*)(void *, struct mad_stream *), + enum mad_flow(*)(void *, struct mad_header const *), + enum mad_flow(*)(void *, + struct mad_stream const *, + struct mad_frame *), + enum mad_flow(*)(void *, + struct mad_header const *, + struct mad_pcm *), + enum mad_flow(*)(void *, + struct mad_stream *, + struct mad_frame *), + enum mad_flow(*)(void *, void *, unsigned int *)); +int mad_decoder_finish(struct mad_decoder *); + +# define mad_decoder_options(decoder, opts) \ + ((void) ((decoder)->options = (opts))) + +int mad_decoder_run(struct mad_decoder *, enum mad_decoder_mode); +int mad_decoder_message(struct mad_decoder *, void *, unsigned int *); + +# endif diff --git a/audio_codec/libmad/fixed.c b/audio_codec/libmad/fixed.c new file mode 100644 index 0000000..9dbe588 --- a/dev/null +++ b/audio_codec/libmad/fixed.c @@ -0,0 +1,85 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: fixed.c,v 1.13 2004/01/23 09:41:32 rob Exp $ + */ + +# ifdef HAVE_CONFIG_H +# include "config.h" +# endif + +# include "global.h" + +# include "fixed.h" + +/* + * NAME: fixed->abs() + * DESCRIPTION: return absolute value of a fixed-point number + */ +mad_fixed_t mad_f_abs(mad_fixed_t x) +{ + return x < 0 ? -x : x; +} + +/* + * NAME: fixed->div() + * DESCRIPTION: perform division using fixed-point math + */ +mad_fixed_t mad_f_div(mad_fixed_t x, mad_fixed_t y) +{ + mad_fixed_t q, r; + unsigned int bits; + + q = mad_f_abs(x / y); + + if (x < 0) { + x = -x; + y = -y; + } + + r = x % y; + + if (y < 0) { + x = -x; + y = -y; + } + + if (q > mad_f_intpart(MAD_F_MAX) && + !(q == -mad_f_intpart(MAD_F_MIN) && r == 0 && (x < 0) != (y < 0))) { + return 0; + } + + for (bits = MAD_F_FRACBITS; bits && r; --bits) { + q <<= 1, r <<= 1; + if (r >= y) { + r -= y, ++q; + } + } + + /* round */ + if (2 * r >= y) { + ++q; + } + + /* fix sign */ + if ((x < 0) != (y < 0)) { + q = -q; + } + + return q << bits; +} diff --git a/audio_codec/libmad/fixed.h b/audio_codec/libmad/fixed.h new file mode 100644 index 0000000..5556e15 --- a/dev/null +++ b/audio_codec/libmad/fixed.h @@ -0,0 +1,499 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: fixed.h,v 1.38 2004/02/17 02:02:03 rob Exp $ + */ + +# ifndef LIBMAD_FIXED_H +# define LIBMAD_FIXED_H +#include "config.h" +# if SIZEOF_INT >= 4 +typedef signed int mad_fixed_t; + +typedef signed int mad_fixed64hi_t; +typedef unsigned int mad_fixed64lo_t; +# else +typedef signed long mad_fixed_t; + +typedef signed long mad_fixed64hi_t; +typedef unsigned long mad_fixed64lo_t; +# endif + +# if defined(_MSC_VER) +# define mad_fixed64_t signed __int64 +# elif 1 || defined(__GNUC__) +# define mad_fixed64_t signed long long +# endif + +# if defined(FPM_FLOAT) +typedef double mad_sample_t; +# else +typedef mad_fixed_t mad_sample_t; +# endif + +/* + * Fixed-point format: 0xABBBBBBB + * A == whole part (sign + 3 bits) + * B == fractional part (28 bits) + * + * Values are signed two's complement, so the effective range is: + * 0x80000000 to 0x7fffffff + * -8.0 to +7.9999999962747097015380859375 + * + * The smallest representable value is: + * 0x00000001 == 0.0000000037252902984619140625 (i.e. about 3.725e-9) + * + * 28 bits of fractional accuracy represent about + * 8.6 digits of decimal accuracy. + * + * Fixed-point numbers can be added or subtracted as normal + * integers, but multiplication requires shifting the 64-bit result + * from 56 fractional bits back to 28 (and rounding.) + * + * Changing the definition of MAD_F_FRACBITS is only partially + * supported, and must be done with care. + */ + +# define MAD_F_FRACBITS 28 + +# if MAD_F_FRACBITS == 28 +# define MAD_F(x) ((mad_fixed_t) (x##L)) +# else +# if MAD_F_FRACBITS < 28 +# warning "MAD_F_FRACBITS < 28" +# define MAD_F(x) ((mad_fixed_t) \ + (((x##L) + \ + (1L << (28 - MAD_F_FRACBITS - 1))) >> \ + (28 - MAD_F_FRACBITS))) +# elif MAD_F_FRACBITS > 28 +# error "MAD_F_FRACBITS > 28 not currently supported" +# define MAD_F(x) ((mad_fixed_t) \ + ((x##L) << (MAD_F_FRACBITS - 28))) +# endif +# endif + +# define MAD_F_MIN ((mad_fixed_t) -0x80000000L) +# define MAD_F_MAX ((mad_fixed_t) +0x7fffffffL) + +# define MAD_F_ONE MAD_F(0x10000000) + +# define mad_f_tofixed(x) ((mad_fixed_t) \ + ((x) * (double) (1L << MAD_F_FRACBITS) + 0.5)) +# define mad_f_todouble(x) ((double) \ + ((x) / (double) (1L << MAD_F_FRACBITS))) + +# define mad_f_intpart(x) ((x) >> MAD_F_FRACBITS) +# define mad_f_fracpart(x) ((x) & ((1L << MAD_F_FRACBITS) - 1)) +/* (x should be positive) */ + +# define mad_f_fromint(x) ((x) << MAD_F_FRACBITS) + +# define mad_f_add(x, y) ((x) + (y)) +# define mad_f_sub(x, y) ((x) - (y)) + +# if defined(FPM_FLOAT) +# error "FPM_FLOAT not yet supported" + +# undef MAD_F +# define MAD_F(x) mad_f_todouble(x) + +# define mad_f_mul(x, y) ((x) * (y)) +# define mad_f_scale64 + +# undef ASO_ZEROCHECK + +# elif defined(FPM_64BIT) + +/* + * This version should be the most accurate if 64-bit types are supported by + * the compiler, although it may not be the most efficient. + */ +# if defined(OPT_ACCURACY) +# define mad_f_mul(x, y) \ + ((mad_fixed_t) \ + ((((mad_fixed64_t) (x) * (y)) + \ + (1L << (MAD_F_SCALEBITS - 1))) >> MAD_F_SCALEBITS)) +# else +# define mad_f_mul(x, y) \ + ((mad_fixed_t) (((mad_fixed64_t) (x) * (y)) >> MAD_F_SCALEBITS)) +# endif + +# define MAD_F_SCALEBITS MAD_F_FRACBITS + +/* --- Intel --------------------------------------------------------------- */ + +# elif defined(FPM_INTEL) + +# if defined(_MSC_VER) +# pragma warning(push) +# pragma warning(disable: 4035) /* no return value */ +static __forceinline +mad_fixed_t mad_f_mul_inline(mad_fixed_t x, mad_fixed_t y) +{ + enum { + fracbits = MAD_F_FRACBITS + }; + + __asm { + mov eax, x + imul y + shrd eax, edx, fracbits + } + + /* implicit return of eax */ +} +# pragma warning(pop) + +# define mad_f_mul mad_f_mul_inline +# define mad_f_scale64 +# else +/* + * This Intel version is fast and accurate; the disposition of the least + * significant bit depends on OPT_ACCURACY via mad_f_scale64(). + */ +# define MAD_F_MLX(hi, lo, x, y) \ + asm ("imull %3" \ + : "=a" (lo), "=d" (hi) \ + : "%a" (x), "rm" (y) \ + : "cc") + +# if defined(OPT_ACCURACY) +/* + * This gives best accuracy but is not very fast. + */ +# define MAD_F_MLA(hi, lo, x, y) \ + ({ mad_fixed64hi_t __hi; \ + mad_fixed64lo_t __lo; \ + MAD_F_MLX(__hi, __lo, (x), (y)); \ + asm ("addl %2,%0\n\t" \ + "adcl %3,%1" \ + : "=rm" (lo), "=rm" (hi) \ + : "r" (__lo), "r" (__hi), "0" (lo), "1" (hi) \ + : "cc"); \ + }) +# endif /* OPT_ACCURACY */ + +# if defined(OPT_ACCURACY) +/* + * Surprisingly, this is faster than SHRD followed by ADC. + */ +# define mad_f_scale64(hi, lo) \ + ({ mad_fixed64hi_t __hi_; \ + mad_fixed64lo_t __lo_; \ + mad_fixed_t __result; \ + asm ("addl %4,%2\n\t" \ + "adcl %5,%3" \ + : "=rm" (__lo_), "=rm" (__hi_) \ + : "0" (lo), "1" (hi), \ + "ir" (1L << (MAD_F_SCALEBITS - 1)), "ir" (0) \ + : "cc"); \ + asm ("shrdl %3,%2,%1" \ + : "=rm" (__result) \ + : "0" (__lo_), "r" (__hi_), "I" (MAD_F_SCALEBITS) \ + : "cc"); \ + __result; \ + }) +# elif defined(OPT_INTEL) +/* + * Alternate Intel scaling that may or may not perform better. + */ +# define mad_f_scale64(hi, lo) \ + ({ mad_fixed_t __result; \ + asm ("shrl %3,%1\n\t" \ + "shll %4,%2\n\t" \ + "orl %2,%1" \ + : "=rm" (__result) \ + : "0" (lo), "r" (hi), \ + "I" (MAD_F_SCALEBITS), "I" (32 - MAD_F_SCALEBITS) \ + : "cc"); \ + __result; \ + }) +# else +# define mad_f_scale64(hi, lo) \ + ({ mad_fixed_t __result; \ + asm ("shrdl %3,%2,%1" \ + : "=rm" (__result) \ + : "0" (lo), "r" (hi), "I" (MAD_F_SCALEBITS) \ + : "cc"); \ + __result; \ + }) +# endif /* OPT_ACCURACY */ + +# define MAD_F_SCALEBITS MAD_F_FRACBITS +# endif + +/* --- ARM ----------------------------------------------------------------- */ + +# elif defined(FPM_ARM) + +/* + * This ARM V4 version is as accurate as FPM_64BIT but much faster. The + * least significant bit is properly rounded at no CPU cycle cost! + */ +# if 1 +/* + * This is faster than the default implementation via MAD_F_MLX() and + * mad_f_scale64(). + */ +# define mad_f_mul(x, y) \ + ({ mad_fixed64hi_t __hi; \ + mad_fixed64lo_t __lo; \ + mad_fixed_t __result; \ + asm ("smull %0, %1, %3, %4\n\t" \ + "movs %0, %0, lsr %5\n\t" \ + "adc %2, %0, %1, lsl %6" \ + : "=&r" (__lo), "=&r" (__hi), "=r" (__result) \ + : "%r" (x), "r" (y), \ + "M" (MAD_F_SCALEBITS), "M" (32 - MAD_F_SCALEBITS) \ + : "cc"); \ + __result; \ + }) +# endif + +# define MAD_F_MLX(hi, lo, x, y) \ + asm ("smull %0, %1, %2, %3" \ + : "=&r" (lo), "=&r" (hi) \ + : "%r" (x), "r" (y)) + +# define MAD_F_MLA(hi, lo, x, y) \ + asm ("smlal %0, %1, %2, %3" \ + : "+r" (lo), "+r" (hi) \ + : "%r" (x), "r" (y)) + +# define MAD_F_MLN(hi, lo) \ + asm ("rsbs %0, %2, #0\n\t" \ + "rsc %1, %3, #0" \ + : "=r" (lo), "=r" (hi) \ + : "0" (lo), "1" (hi) \ + : "cc") + +# define mad_f_scale64(hi, lo) \ + ({ mad_fixed_t __result; \ + asm ("movs %0, %1, lsr %3\n\t" \ + "adc %0, %0, %2, lsl %4" \ + : "=&r" (__result) \ + : "r" (lo), "r" (hi), \ + "M" (MAD_F_SCALEBITS), "M" (32 - MAD_F_SCALEBITS) \ + : "cc"); \ + __result; \ + }) + +# define MAD_F_SCALEBITS MAD_F_FRACBITS + +/* --- MIPS ---------------------------------------------------------------- */ + +# elif defined(FPM_MIPS) + +/* + * This MIPS version is fast and accurate; the disposition of the least + * significant bit depends on OPT_ACCURACY via mad_f_scale64(). + */ +# define MAD_F_MLX(hi, lo, x, y) \ + asm ("mult %2,%3" \ + : "=l" (lo), "=h" (hi) \ + : "%r" (x), "r" (y)) + +# if defined(HAVE_MADD_ASM) +# define MAD_F_MLA(hi, lo, x, y) \ + asm ("madd %2,%3" \ + : "+l" (lo), "+h" (hi) \ + : "%r" (x), "r" (y)) +# elif defined(HAVE_MADD16_ASM) +/* + * This loses significant accuracy due to the 16-bit integer limit in the + * multiply/accumulate instruction. + */ +# define MAD_F_ML0(hi, lo, x, y) \ + asm ("mult %2,%3" \ + : "=l" (lo), "=h" (hi) \ + : "%r" ((x) >> 12), "r" ((y) >> 16)) +# define MAD_F_MLA(hi, lo, x, y) \ + asm ("madd16 %2,%3" \ + : "+l" (lo), "+h" (hi) \ + : "%r" ((x) >> 12), "r" ((y) >> 16)) +# define MAD_F_MLZ(hi, lo) ((mad_fixed_t) (lo)) +# endif + +# if defined(OPT_SPEED) +# define mad_f_scale64(hi, lo) \ + ((mad_fixed_t) ((hi) << (32 - MAD_F_SCALEBITS))) +# define MAD_F_SCALEBITS MAD_F_FRACBITS +# endif + +/* --- SPARC --------------------------------------------------------------- */ + +# elif defined(FPM_SPARC) + +/* + * This SPARC V8 version is fast and accurate; the disposition of the least + * significant bit depends on OPT_ACCURACY via mad_f_scale64(). + */ +# define MAD_F_MLX(hi, lo, x, y) \ + asm ("smul %2, %3, %0\n\t" \ + "rd %%y, %1" \ + : "=r" (lo), "=r" (hi) \ + : "%r" (x), "rI" (y)) + +/* --- PowerPC ------------------------------------------------------------- */ + +# elif defined(FPM_PPC) + +/* + * This PowerPC version is fast and accurate; the disposition of the least + * significant bit depends on OPT_ACCURACY via mad_f_scale64(). + */ +# define MAD_F_MLX(hi, lo, x, y) \ + do { \ + asm ("mullw %0,%1,%2" \ + : "=r" (lo) \ + : "%r" (x), "r" (y)); \ + asm ("mulhw %0,%1,%2" \ + : "=r" (hi) \ + : "%r" (x), "r" (y)); \ + } \ + while (0) + +# if defined(OPT_ACCURACY) +/* + * This gives best accuracy but is not very fast. + */ +# define MAD_F_MLA(hi, lo, x, y) \ + ({ mad_fixed64hi_t __hi; \ + mad_fixed64lo_t __lo; \ + MAD_F_MLX(__hi, __lo, (x), (y)); \ + asm ("addc %0,%2,%3\n\t" \ + "adde %1,%4,%5" \ + : "=r" (lo), "=r" (hi) \ + : "%r" (lo), "r" (__lo), \ + "%r" (hi), "r" (__hi) \ + : "xer"); \ + }) +# endif + +# if defined(OPT_ACCURACY) +/* + * This is slower than the truncating version below it. + */ +# define mad_f_scale64(hi, lo) \ + ({ mad_fixed_t __result, __round; \ + asm ("rotrwi %0,%1,%2" \ + : "=r" (__result) \ + : "r" (lo), "i" (MAD_F_SCALEBITS)); \ + asm ("extrwi %0,%1,1,0" \ + : "=r" (__round) \ + : "r" (__result)); \ + asm ("insrwi %0,%1,%2,0" \ + : "+r" (__result) \ + : "r" (hi), "i" (MAD_F_SCALEBITS)); \ + asm ("add %0,%1,%2" \ + : "=r" (__result) \ + : "%r" (__result), "r" (__round)); \ + __result; \ + }) +# else +# define mad_f_scale64(hi, lo) \ + ({ mad_fixed_t __result; \ + asm ("rotrwi %0,%1,%2" \ + : "=r" (__result) \ + : "r" (lo), "i" (MAD_F_SCALEBITS)); \ + asm ("insrwi %0,%1,%2,0" \ + : "+r" (__result) \ + : "r" (hi), "i" (MAD_F_SCALEBITS)); \ + __result; \ + }) +# endif + +# define MAD_F_SCALEBITS MAD_F_FRACBITS + +/* --- Default ------------------------------------------------------------- */ + +# elif defined(FPM_DEFAULT) + +/* + * This version is the most portable but it loses significant accuracy. + * Furthermore, accuracy is biased against the second argument, so care + * should be taken when ordering operands. + * + * The scale factors are constant as this is not used with SSO. + * + * Pre-rounding is required to stay within the limits of compliance. + */ +# if defined(OPT_SPEED) +# define mad_f_mul(x, y) (((x) >> 12) * ((y) >> 16)) +# else +# define mad_f_mul(x, y) ((((x) + (1L << 11)) >> 12) * \ + (((y) + (1L << 15)) >> 16)) +# endif + +/* ------------------------------------------------------------------------- */ + +# else +# error "no FPM selected" +# endif + +/* default implementations */ + +# if !defined(mad_f_mul) +# define mad_f_mul(x, y) \ + ({ register mad_fixed64hi_t __hi; \ + register mad_fixed64lo_t __lo; \ + MAD_F_MLX(__hi, __lo, (x), (y)); \ + mad_f_scale64(__hi, __lo); \ + }) +# endif + +# if !defined(MAD_F_MLA) +# define MAD_F_ML0(hi, lo, x, y) ((lo) = mad_f_mul((x), (y))) +# define MAD_F_MLA(hi, lo, x, y) ((lo) += mad_f_mul((x), (y))) +# define MAD_F_MLN(hi, lo) ((lo) = -(lo)) +# define MAD_F_MLZ(hi, lo) ((void) (hi), (mad_fixed_t) (lo)) +# endif + +# if !defined(MAD_F_ML0) +# define MAD_F_ML0(hi, lo, x, y) MAD_F_MLX((hi), (lo), (x), (y)) +# endif + +# if !defined(MAD_F_MLN) +# define MAD_F_MLN(hi, lo) ((hi) = ((lo) = -(lo)) ? ~(hi) : -(hi)) +# endif + +# if !defined(MAD_F_MLZ) +# define MAD_F_MLZ(hi, lo) mad_f_scale64((hi), (lo)) +# endif + +# if !defined(mad_f_scale64) +# if defined(OPT_ACCURACY) +# define mad_f_scale64(hi, lo) \ + ((((mad_fixed_t) \ + (((hi) << (32 - (MAD_F_SCALEBITS - 1))) | \ + ((lo) >> (MAD_F_SCALEBITS - 1)))) + 1) >> 1) +# else +# define mad_f_scale64(hi, lo) \ + ((mad_fixed_t) \ + (((hi) << (32 - MAD_F_SCALEBITS)) | \ + ((lo) >> MAD_F_SCALEBITS))) +# endif +# define MAD_F_SCALEBITS MAD_F_FRACBITS +# endif + +/* C routines */ + +mad_fixed_t mad_f_abs(mad_fixed_t); +mad_fixed_t mad_f_div(mad_fixed_t, mad_fixed_t); + +# endif diff --git a/audio_codec/libmad/frame.c b/audio_codec/libmad/frame.c new file mode 100644 index 0000000..e588d5c --- a/dev/null +++ b/audio_codec/libmad/frame.c @@ -0,0 +1,525 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: frame.c,v 1.29 2004/02/04 22:59:19 rob Exp $ + */ + +# ifdef HAVE_CONFIG_H +# include "config.h" +# endif + +# include "global.h" + +# include + +# include "bit.h" +# include "stream.h" +# include "frame.h" +# include "timer.h" +# include "layer12.h" +# include "layer3.h" + +static +unsigned long const bitrate_table[5][15] = { + /* MPEG-1 */ + { + 0, 32000, 64000, 96000, 128000, 160000, 192000, 224000, /* Layer I */ + 256000, 288000, 320000, 352000, 384000, 416000, 448000 + }, + { + 0, 32000, 48000, 56000, 64000, 80000, 96000, 112000, /* Layer II */ + 128000, 160000, 192000, 224000, 256000, 320000, 384000 + }, + { + 0, 32000, 40000, 48000, 56000, 64000, 80000, 96000, /* Layer III */ + 112000, 128000, 160000, 192000, 224000, 256000, 320000 + }, + + /* MPEG-2 LSF */ + { + 0, 32000, 48000, 56000, 64000, 80000, 96000, 112000, /* Layer I */ + 128000, 144000, 160000, 176000, 192000, 224000, 256000 + }, + { + 0, 8000, 16000, 24000, 32000, 40000, 48000, 56000, /* Layers */ + 64000, 80000, 96000, 112000, 128000, 144000, 160000 + } /* II & III */ +}; + +static +unsigned int const samplerate_table[3] = { 44100, 48000, 32000 }; + +static +int (*const decoder_table[3])(struct mad_stream *, struct mad_frame *) = { + mad_layer_I, + mad_layer_II, + mad_layer_III +}; + +/* + * NAME: header->init() + * DESCRIPTION: initialize header struct + */ +void mad_header_init(struct mad_header *header) +{ + header->layer = 0; + header->mode = 0; + header->mode_extension = 0; + header->emphasis = 0; + + header->bitrate = 0; + header->samplerate = 0; + + header->crc_check = 0; + header->crc_target = 0; + + header->flags = 0; + header->private_bits = 0; + + header->duration = mad_timer_zero; +} + +/* + * NAME: frame->init() + * DESCRIPTION: initialize frame struct + */ +void mad_frame_init(struct mad_frame *frame) +{ + mad_header_init(&frame->header); + + frame->options = 0; + + frame->overlap = 0; + mad_frame_mute(frame); +} + +/* + * NAME: frame->finish() + * DESCRIPTION: deallocate any dynamic memory associated with frame + */ +void mad_frame_finish(struct mad_frame *frame) +{ + mad_header_finish(&frame->header); + + if (frame->overlap) { + free(frame->overlap); + frame->overlap = 0; + } +} + +/* + * NAME: decode_header() + * DESCRIPTION: read header data and following CRC word + */ +static +int decode_header(struct mad_header *header, struct mad_stream *stream) +{ + unsigned int index; + + header->flags = 0; + header->private_bits = 0; + + /* header() */ + + /* syncword */ + mad_bit_skip(&stream->ptr, 11); + + /* MPEG 2.5 indicator (really part of syncword) */ + if (mad_bit_read(&stream->ptr, 1) == 0) { + header->flags |= MAD_FLAG_MPEG_2_5_EXT; + } + + /* ID */ + if (mad_bit_read(&stream->ptr, 1) == 0) { + header->flags |= MAD_FLAG_LSF_EXT; + } else if (header->flags & MAD_FLAG_MPEG_2_5_EXT) { + stream->error = MAD_ERROR_LOSTSYNC; + return -1; + } + + /* layer */ + header->layer = 4 - mad_bit_read(&stream->ptr, 2); + + if (header->layer == 4) { + stream->error = MAD_ERROR_BADLAYER; + return -1; + } + + /* protection_bit */ + if (mad_bit_read(&stream->ptr, 1) == 0) { + header->flags |= MAD_FLAG_PROTECTION; + header->crc_check = mad_bit_crc(stream->ptr, 16, 0xffff); + } + + /* bitrate_index */ + index = mad_bit_read(&stream->ptr, 4); + + if (index == 15) { + stream->error = MAD_ERROR_BADBITRATE; + return -1; + } + + if (header->flags & MAD_FLAG_LSF_EXT) { + header->bitrate = bitrate_table[3 + (header->layer >> 1)][index]; + } else { + header->bitrate = bitrate_table[header->layer - 1][index]; + } + + /* sampling_frequency */ + index = mad_bit_read(&stream->ptr, 2); + + if (index == 3) { + stream->error = MAD_ERROR_BADSAMPLERATE; + return -1; + } + + header->samplerate = samplerate_table[index]; + + if (header->flags & MAD_FLAG_LSF_EXT) { + header->samplerate /= 2; + + if (header->flags & MAD_FLAG_MPEG_2_5_EXT) { + header->samplerate /= 2; + } + } + + /* padding_bit */ + if (mad_bit_read(&stream->ptr, 1)) { + header->flags |= MAD_FLAG_PADDING; + } + + /* private_bit */ + if (mad_bit_read(&stream->ptr, 1)) { + header->private_bits |= MAD_PRIVATE_HEADER; + } + + /* mode */ + header->mode = 3 - mad_bit_read(&stream->ptr, 2); + + /* mode_extension */ + header->mode_extension = mad_bit_read(&stream->ptr, 2); + + /* copyright */ + if (mad_bit_read(&stream->ptr, 1)) { + header->flags |= MAD_FLAG_COPYRIGHT; + } + + /* original/copy */ + if (mad_bit_read(&stream->ptr, 1)) { + header->flags |= MAD_FLAG_ORIGINAL; + } + + /* emphasis */ + header->emphasis = mad_bit_read(&stream->ptr, 2); + +# if defined(OPT_STRICT) + /* + * ISO/IEC 11172-3 says this is a reserved emphasis value, but + * streams exist which use it anyway. Since the value is not important + * to the decoder proper, we allow it unless OPT_STRICT is defined. + */ + if (header->emphasis == MAD_EMPHASIS_RESERVED) { + stream->error = MAD_ERROR_BADEMPHASIS; + return -1; + } +# endif + + /* error_check() */ + + /* crc_check */ + if (header->flags & MAD_FLAG_PROTECTION) { + header->crc_target = mad_bit_read(&stream->ptr, 16); + } + + return 0; +} + +/* + * NAME: free_bitrate() + * DESCRIPTION: attempt to discover the bitstream's free bitrate + */ +static +int free_bitrate(struct mad_stream *stream, struct mad_header const *header) +{ + struct mad_bitptr keep_ptr; + unsigned long rate = 0; + unsigned int pad_slot, slots_per_frame; + unsigned char const *ptr = 0; + + keep_ptr = stream->ptr; + + pad_slot = (header->flags & MAD_FLAG_PADDING) ? 1 : 0; + slots_per_frame = (header->layer == MAD_LAYER_III && + (header->flags & MAD_FLAG_LSF_EXT)) ? 72 : 144; + + while (mad_stream_sync(stream) == 0) { + struct mad_stream peek_stream; + struct mad_header peek_header; + + peek_stream = *stream; + peek_header = *header; + + if (decode_header(&peek_header, &peek_stream) == 0 && + peek_header.layer == header->layer && + peek_header.samplerate == header->samplerate) { + unsigned int N; + + ptr = mad_bit_nextbyte(&stream->ptr); + + N = ptr - stream->this_frame; + + if (header->layer == MAD_LAYER_I) { + rate = (unsigned long) header->samplerate * + (N - 4 * pad_slot + 4) / 48 / 1000; + } else { + rate = (unsigned long) header->samplerate * + (N - pad_slot + 1) / slots_per_frame / 1000; + } + + if (rate >= 8) { + break; + } + } + + mad_bit_skip(&stream->ptr, 8); + } + + stream->ptr = keep_ptr; + + if (rate < 8 || (header->layer == MAD_LAYER_III && rate > 640)) { + stream->error = MAD_ERROR_LOSTSYNC; + return -1; + } + + stream->freerate = rate * 1000; + + return 0; +} + +/* + * NAME: header->decode() + * DESCRIPTION: read the next frame header from the stream + */ +int mad_header_decode(struct mad_header *header, struct mad_stream *stream) +{ + register unsigned char const *ptr, *end; + unsigned int pad_slot, N; + + ptr = stream->next_frame; + end = stream->bufend; + + if (ptr == 0) { + stream->error = MAD_ERROR_BUFPTR; + goto fail; + } + + /* stream skip */ + if (stream->skiplen) { + if (!stream->sync) { + ptr = stream->this_frame; + } + + if (end - ptr < stream->skiplen) { + stream->skiplen -= end - ptr; + stream->next_frame = end; + + stream->error = MAD_ERROR_BUFLEN; + goto fail; + } + + ptr += stream->skiplen; + stream->skiplen = 0; + + stream->sync = 1; + } + +sync: + /* synchronize */ + if (stream->sync) { + if (end - ptr < MAD_BUFFER_GUARD) { + stream->next_frame = ptr; + + stream->error = MAD_ERROR_BUFLEN; + goto fail; + } else if (!(ptr[0] == 0xff && (ptr[1] & 0xe0) == 0xe0)) { + /* mark point where frame sync word was expected */ + stream->this_frame = ptr; + stream->next_frame = ptr + 1; + + stream->error = MAD_ERROR_LOSTSYNC; + goto fail; + } + } else { + mad_bit_init(&stream->ptr, ptr); + + if (mad_stream_sync(stream) == -1) { + if (end - stream->next_frame >= MAD_BUFFER_GUARD) { + stream->next_frame = end - MAD_BUFFER_GUARD; + } + + stream->error = MAD_ERROR_BUFLEN; + goto fail; + } + + ptr = mad_bit_nextbyte(&stream->ptr); + } + + /* begin processing */ + stream->this_frame = ptr; + stream->next_frame = ptr + 1; /* possibly bogus sync word */ + + mad_bit_init(&stream->ptr, stream->this_frame); + + if (decode_header(header, stream) == -1) { + goto fail; + } + + /* calculate frame duration */ + mad_timer_set(&header->duration, 0, + 32 * MAD_NSBSAMPLES(header), header->samplerate); + + /* calculate free bit rate */ + if (header->bitrate == 0) { + if ((stream->freerate == 0 || !stream->sync || + (header->layer == MAD_LAYER_III && stream->freerate > 640000)) && + free_bitrate(stream, header) == -1) { + goto fail; + } + + header->bitrate = stream->freerate; + header->flags |= MAD_FLAG_FREEFORMAT; + } + + /* calculate beginning of next frame */ + pad_slot = (header->flags & MAD_FLAG_PADDING) ? 1 : 0; + + if (header->layer == MAD_LAYER_I) { + N = ((12 * header->bitrate / header->samplerate) + pad_slot) * 4; + } else { + unsigned int slots_per_frame; + + slots_per_frame = (header->layer == MAD_LAYER_III && + (header->flags & MAD_FLAG_LSF_EXT)) ? 72 : 144; + + N = (slots_per_frame * header->bitrate / header->samplerate) + pad_slot; + } + + /* verify there is enough data left in buffer to decode this frame */ + if (N + MAD_BUFFER_GUARD > end - stream->this_frame) { + stream->next_frame = stream->this_frame; + + stream->error = MAD_ERROR_BUFLEN; + goto fail; + } + + stream->next_frame = stream->this_frame + N; + + if (!stream->sync) { + /* check that a valid frame header follows this frame */ + + ptr = stream->next_frame; + if (!(ptr[0] == 0xff && (ptr[1] & 0xe0) == 0xe0)) { + ptr = stream->next_frame = stream->this_frame + 1; + goto sync; + } + + stream->sync = 1; + } + + header->flags |= MAD_FLAG_INCOMPLETE; + + return 0; + +fail: + stream->sync = 0; + + return -1; +} + +/* + * NAME: frame->decode() + * DESCRIPTION: decode a single frame from a bitstream + */ +int mad_frame_decode(struct mad_frame *frame, struct mad_stream *stream) +{ + frame->options = stream->options; + + /* header() */ + /* error_check() */ + + if (!(frame->header.flags & MAD_FLAG_INCOMPLETE) && + mad_header_decode(&frame->header, stream) == -1) { + goto fail; + } + + /* audio_data() */ + + frame->header.flags &= ~MAD_FLAG_INCOMPLETE; + + if (decoder_table[frame->header.layer - 1](stream, frame) == -1) { + if (!MAD_RECOVERABLE(stream->error)) { + stream->next_frame = stream->this_frame; + } + + goto fail; + } + + /* ancillary_data() */ + + if (frame->header.layer != MAD_LAYER_III) { + struct mad_bitptr next_frame; + + mad_bit_init(&next_frame, stream->next_frame); + + stream->anc_ptr = stream->ptr; + stream->anc_bitlen = mad_bit_length(&stream->ptr, &next_frame); + + mad_bit_finish(&next_frame); + } + + return 0; + +fail: + stream->anc_bitlen = 0; + return -1; +} + +/* + * NAME: frame->mute() + * DESCRIPTION: zero all subband values so the frame becomes silent + */ +void mad_frame_mute(struct mad_frame *frame) +{ + unsigned int s, sb; + + for (s = 0; s < 36; ++s) { + for (sb = 0; sb < 32; ++sb) { + frame->sbsample[0][s][sb] = + frame->sbsample[1][s][sb] = 0; + } + } + + if (frame->overlap) { + for (s = 0; s < 18; ++s) { + for (sb = 0; sb < 32; ++sb) { + (*frame->overlap)[0][sb][s] = + (*frame->overlap)[1][sb][s] = 0; + } + } + } +} diff --git a/audio_codec/libmad/frame.h b/audio_codec/libmad/frame.h new file mode 100644 index 0000000..e8f53bf --- a/dev/null +++ b/audio_codec/libmad/frame.h @@ -0,0 +1,118 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: frame.h,v 1.20 2004/01/23 09:41:32 rob Exp $ + */ + +# ifndef LIBMAD_FRAME_H +# define LIBMAD_FRAME_H + +# include "fixed.h" +# include "timer.h" +# include "stream.h" + +enum mad_layer { + MAD_LAYER_I = 1, /* Layer I */ + MAD_LAYER_II = 2, /* Layer II */ + MAD_LAYER_III = 3 /* Layer III */ +}; + +enum mad_mode { + MAD_MODE_SINGLE_CHANNEL = 0, /* single channel */ + MAD_MODE_DUAL_CHANNEL = 1, /* dual channel */ + MAD_MODE_JOINT_STEREO = 2, /* joint (MS/intensity) stereo */ + MAD_MODE_STEREO = 3 /* normal LR stereo */ +}; + +enum mad_emphasis { + MAD_EMPHASIS_NONE = 0, /* no emphasis */ + MAD_EMPHASIS_50_15_US = 1, /* 50/15 microseconds emphasis */ + MAD_EMPHASIS_CCITT_J_17 = 3, /* CCITT J.17 emphasis */ + MAD_EMPHASIS_RESERVED = 2 /* unknown emphasis */ +}; + +struct mad_header { + enum mad_layer layer; /* audio layer (1, 2, or 3) */ + enum mad_mode mode; /* channel mode (see above) */ + int mode_extension; /* additional mode info */ + enum mad_emphasis emphasis; /* de-emphasis to use (see above) */ + + unsigned long bitrate; /* stream bitrate (bps) */ + unsigned int samplerate; /* sampling frequency (Hz) */ + + unsigned short crc_check; /* frame CRC accumulator */ + unsigned short crc_target; /* final target CRC checksum */ + + int flags; /* flags (see below) */ + int private_bits; /* private bits (see below) */ + + mad_timer_t duration; /* audio playing time of frame */ +}; + +struct mad_frame { + struct mad_header header; /* MPEG audio header */ + + int options; /* decoding options (from stream) */ + + mad_fixed_t sbsample[2][36][32]; /* synthesis subband filter samples */ + mad_fixed_t (*overlap)[2][32][18]; /* Layer III block overlap data */ +}; + +# define MAD_NCHANNELS(header) ((header)->mode ? 2 : 1) +# define MAD_NSBSAMPLES(header) \ + ((header)->layer == MAD_LAYER_I ? 12 : \ + (((header)->layer == MAD_LAYER_III && \ + ((header)->flags & MAD_FLAG_LSF_EXT)) ? 18 : 36)) + +enum { + MAD_FLAG_NPRIVATE_III = 0x0007, /* number of Layer III private bits */ + MAD_FLAG_INCOMPLETE = 0x0008, /* header but not data is decoded */ + + MAD_FLAG_PROTECTION = 0x0010, /* frame has CRC protection */ + MAD_FLAG_COPYRIGHT = 0x0020, /* frame is copyright */ + MAD_FLAG_ORIGINAL = 0x0040, /* frame is original (else copy) */ + MAD_FLAG_PADDING = 0x0080, /* frame has additional slot */ + + MAD_FLAG_I_STEREO = 0x0100, /* uses intensity joint stereo */ + MAD_FLAG_MS_STEREO = 0x0200, /* uses middle/side joint stereo */ + MAD_FLAG_FREEFORMAT = 0x0400, /* uses free format bitrate */ + + MAD_FLAG_LSF_EXT = 0x1000, /* lower sampling freq. extension */ + MAD_FLAG_MC_EXT = 0x2000, /* multichannel audio extension */ + MAD_FLAG_MPEG_2_5_EXT = 0x4000 /* MPEG 2.5 (unofficial) extension */ +}; + +enum { + MAD_PRIVATE_HEADER = 0x0100, /* header private bit */ + MAD_PRIVATE_III = 0x001f /* Layer III private bits (up to 5) */ +}; + +void mad_header_init(struct mad_header *); + +# define mad_header_finish(header) /* nothing */ + +int mad_header_decode(struct mad_header *, struct mad_stream *); + +void mad_frame_init(struct mad_frame *); +void mad_frame_finish(struct mad_frame *); + +int mad_frame_decode(struct mad_frame *, struct mad_stream *); + +void mad_frame_mute(struct mad_frame *); + +# endif diff --git a/audio_codec/libmad/global.h b/audio_codec/libmad/global.h new file mode 100644 index 0000000..aa81918 --- a/dev/null +++ b/audio_codec/libmad/global.h @@ -0,0 +1,58 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: global.h,v 1.11 2004/01/23 09:41:32 rob Exp $ + */ + +# ifndef LIBMAD_GLOBAL_H +# define LIBMAD_GLOBAL_H + +/* conditional debugging */ + +# if defined(DEBUG) && defined(NDEBUG) +# error "cannot define both DEBUG and NDEBUG" +# endif + +# if defined(DEBUG) +# include +# endif + +/* conditional features */ + +# if defined(OPT_SPEED) && defined(OPT_ACCURACY) +# error "cannot optimize for both speed and accuracy" +# endif + +# if defined(OPT_SPEED) && !defined(OPT_SSO) +# define OPT_SSO +# endif + +# if defined(HAVE_UNISTD_H) && defined(HAVE_WAITPID) && \ + defined(HAVE_FCNTL) && defined(HAVE_PIPE) && defined(HAVE_FORK) +# define USE_ASYNC +# endif + +# if !defined(HAVE_ASSERT_H) +# if defined(NDEBUG) +# define assert(x) /* nothing */ +# else +# define assert(x) do { if (!(x)) abort(); } while (0) +# endif +# endif + +# endif diff --git a/audio_codec/libmad/huffman.c b/audio_codec/libmad/huffman.c new file mode 100644 index 0000000..5c4e3d7 --- a/dev/null +++ b/audio_codec/libmad/huffman.c @@ -0,0 +1,3109 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: huffman.c,v 1.10 2004/01/23 09:41:32 rob Exp $ + */ + +# ifdef HAVE_CONFIG_H +# include "config.h" +# endif + +# include "global.h" + +# include "huffman.h" + +/* + * These are the Huffman code words for Layer III. + * The data for these tables are derived from Table B.7 of ISO/IEC 11172-3. + * + * These tables support decoding up to 4 Huffman code bits at a time. + */ + +# if defined(__GNUC__) || \ + (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901) +# define PTR(offs, bits) { .ptr = { 0, bits, offs } } +# define V(v, w, x, y, hlen) { .value = { 1, hlen, v, w, x, y } } +# else +# define PTR(offs, bits) { { 0, bits, offs } } +# if defined(WORDS_BIGENDIAN) +# define V(v, w, x, y, hlen) { { 1, hlen, (v << 11) | (w << 10) | \ + (x << 9) | (y << 8) } } +# else +# define V(v, w, x, y, hlen) { { 1, hlen, (v << 0) | (w << 1) | \ + (x << 2) | (y << 3) } } +# endif +# endif + +static +union huffquad const hufftabA[] = { + /* 0000 */ PTR(16, 2), + /* 0001 */ PTR(20, 2), + /* 0010 */ PTR(24, 1), + /* 0011 */ PTR(26, 1), + /* 0100 */ V(0, 0, 1, 0, 4), + /* 0101 */ V(0, 0, 0, 1, 4), + /* 0110 */ V(0, 1, 0, 0, 4), + /* 0111 */ V(1, 0, 0, 0, 4), + /* 1000 */ V(0, 0, 0, 0, 1), + /* 1001 */ V(0, 0, 0, 0, 1), + /* 1010 */ V(0, 0, 0, 0, 1), + /* 1011 */ V(0, 0, 0, 0, 1), + /* 1100 */ V(0, 0, 0, 0, 1), + /* 1101 */ V(0, 0, 0, 0, 1), + /* 1110 */ V(0, 0, 0, 0, 1), + /* 1111 */ V(0, 0, 0, 0, 1), + + /* 0000 ... */ + /* 00 */ V(1, 0, 1, 1, 2), /* 16 */ + /* 01 */ V(1, 1, 1, 1, 2), + /* 10 */ V(1, 1, 0, 1, 2), + /* 11 */ V(1, 1, 1, 0, 2), + + /* 0001 ... */ + /* 00 */ V(0, 1, 1, 1, 2), /* 20 */ + /* 01 */ V(0, 1, 0, 1, 2), + /* 10 */ V(1, 0, 0, 1, 1), + /* 11 */ V(1, 0, 0, 1, 1), + + /* 0010 ... */ + /* 0 */ V(0, 1, 1, 0, 1), /* 24 */ + /* 1 */ V(0, 0, 1, 1, 1), + + /* 0011 ... */ + /* 0 */ V(1, 0, 1, 0, 1), /* 26 */ + /* 1 */ V(1, 1, 0, 0, 1) +}; + +static +union huffquad const hufftabB[] = { + /* 0000 */ V(1, 1, 1, 1, 4), + /* 0001 */ V(1, 1, 1, 0, 4), + /* 0010 */ V(1, 1, 0, 1, 4), + /* 0011 */ V(1, 1, 0, 0, 4), + /* 0100 */ V(1, 0, 1, 1, 4), + /* 0101 */ V(1, 0, 1, 0, 4), + /* 0110 */ V(1, 0, 0, 1, 4), + /* 0111 */ V(1, 0, 0, 0, 4), + /* 1000 */ V(0, 1, 1, 1, 4), + /* 1001 */ V(0, 1, 1, 0, 4), + /* 1010 */ V(0, 1, 0, 1, 4), + /* 1011 */ V(0, 1, 0, 0, 4), + /* 1100 */ V(0, 0, 1, 1, 4), + /* 1101 */ V(0, 0, 1, 0, 4), + /* 1110 */ V(0, 0, 0, 1, 4), + /* 1111 */ V(0, 0, 0, 0, 4) +}; + +# undef V +# undef PTR + +# if defined(__GNUC__) || \ + (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901) +# define PTR(offs, bits) { .ptr = { 0, bits, offs } } +# define V(x, y, hlen) { .value = { 1, hlen, x, y } } +# else +# define PTR(offs, bits) { { 0, bits, offs } } +# if defined(WORDS_BIGENDIAN) +# define V(x, y, hlen) { { 1, hlen, (x << 8) | (y << 4) } } +# else +# define V(x, y, hlen) { { 1, hlen, (x << 0) | (y << 4) } } +# endif +# endif + +static +union huffpair const hufftab0[] = { + /* */ V(0, 0, 0) +}; + +static +union huffpair const hufftab1[] = { + /* 000 */ V(1, 1, 3), + /* 001 */ V(0, 1, 3), + /* 010 */ V(1, 0, 2), + /* 011 */ V(1, 0, 2), + /* 100 */ V(0, 0, 1), + /* 101 */ V(0, 0, 1), + /* 110 */ V(0, 0, 1), + /* 111 */ V(0, 0, 1) +}; + +static +union huffpair const hufftab2[] = { + /* 000 */ PTR(8, 3), + /* 001 */ V(1, 1, 3), + /* 010 */ V(0, 1, 3), + /* 011 */ V(1, 0, 3), + /* 100 */ V(0, 0, 1), + /* 101 */ V(0, 0, 1), + /* 110 */ V(0, 0, 1), + /* 111 */ V(0, 0, 1), + + /* 000 ... */ + /* 000 */ V(2, 2, 3), /* 8 */ + /* 001 */ V(0, 2, 3), + /* 010 */ V(1, 2, 2), + /* 011 */ V(1, 2, 2), + /* 100 */ V(2, 1, 2), + /* 101 */ V(2, 1, 2), + /* 110 */ V(2, 0, 2), + /* 111 */ V(2, 0, 2) +}; + +static +union huffpair const hufftab3[] = { + /* 000 */ PTR(8, 3), + /* 001 */ V(1, 0, 3), + /* 010 */ V(1, 1, 2), + /* 011 */ V(1, 1, 2), + /* 100 */ V(0, 1, 2), + /* 101 */ V(0, 1, 2), + /* 110 */ V(0, 0, 2), + /* 111 */ V(0, 0, 2), + + /* 000 ... */ + /* 000 */ V(2, 2, 3), /* 8 */ + /* 001 */ V(0, 2, 3), + /* 010 */ V(1, 2, 2), + /* 011 */ V(1, 2, 2), + /* 100 */ V(2, 1, 2), + /* 101 */ V(2, 1, 2), + /* 110 */ V(2, 0, 2), + /* 111 */ V(2, 0, 2) +}; + +static +union huffpair const hufftab5[] = { + /* 000 */ PTR(8, 4), + /* 001 */ V(1, 1, 3), + /* 010 */ V(0, 1, 3), + /* 011 */ V(1, 0, 3), + /* 100 */ V(0, 0, 1), + /* 101 */ V(0, 0, 1), + /* 110 */ V(0, 0, 1), + /* 111 */ V(0, 0, 1), + + /* 000 ... */ + /* 0000 */ PTR(24, 1), /* 8 */ + /* 0001 */ V(3, 2, 4), + /* 0010 */ V(3, 1, 3), + /* 0011 */ V(3, 1, 3), + /* 0100 */ V(1, 3, 4), + /* 0101 */ V(0, 3, 4), + /* 0110 */ V(3, 0, 4), + /* 0111 */ V(2, 2, 4), + /* 1000 */ V(1, 2, 3), + /* 1001 */ V(1, 2, 3), + /* 1010 */ V(2, 1, 3), + /* 1011 */ V(2, 1, 3), + /* 1100 */ V(0, 2, 3), + /* 1101 */ V(0, 2, 3), + /* 1110 */ V(2, 0, 3), + /* 1111 */ V(2, 0, 3), + + /* 000 0000 ... */ + /* 0 */ V(3, 3, 1), /* 24 */ + /* 1 */ V(2, 3, 1) +}; + +static +union huffpair const hufftab6[] = { + /* 0000 */ PTR(16, 3), + /* 0001 */ PTR(24, 1), + /* 0010 */ PTR(26, 1), + /* 0011 */ V(1, 2, 4), + /* 0100 */ V(2, 1, 4), + /* 0101 */ V(2, 0, 4), + /* 0110 */ V(0, 1, 3), + /* 0111 */ V(0, 1, 3), + /* 1000 */ V(1, 1, 2), + /* 1001 */ V(1, 1, 2), + /* 1010 */ V(1, 1, 2), + /* 1011 */ V(1, 1, 2), + /* 1100 */ V(1, 0, 3), + /* 1101 */ V(1, 0, 3), + /* 1110 */ V(0, 0, 3), + /* 1111 */ V(0, 0, 3), + + /* 0000 ... */ + /* 000 */ V(3, 3, 3), /* 16 */ + /* 001 */ V(0, 3, 3), + /* 010 */ V(2, 3, 2), + /* 011 */ V(2, 3, 2), + /* 100 */ V(3, 2, 2), + /* 101 */ V(3, 2, 2), + /* 110 */ V(3, 0, 2), + /* 111 */ V(3, 0, 2), + + /* 0001 ... */ + /* 0 */ V(1, 3, 1), /* 24 */ + /* 1 */ V(3, 1, 1), + + /* 0010 ... */ + /* 0 */ V(2, 2, 1), /* 26 */ + /* 1 */ V(0, 2, 1) +}; + +static +union huffpair const hufftab7[] = { + /* 0000 */ PTR(16, 4), + /* 0001 */ PTR(32, 4), + /* 0010 */ PTR(48, 2), + /* 0011 */ V(1, 1, 4), + /* 0100 */ V(0, 1, 3), + /* 0101 */ V(0, 1, 3), + /* 0110 */ V(1, 0, 3), + /* 0111 */ V(1, 0, 3), + /* 1000 */ V(0, 0, 1), + /* 1001 */ V(0, 0, 1), + /* 1010 */ V(0, 0, 1), + /* 1011 */ V(0, 0, 1), + /* 1100 */ V(0, 0, 1), + /* 1101 */ V(0, 0, 1), + /* 1110 */ V(0, 0, 1), + /* 1111 */ V(0, 0, 1), + + /* 0000 ... */ + /* 0000 */ PTR(52, 2), /* 16 */ + /* 0001 */ PTR(56, 1), + /* 0010 */ PTR(58, 1), + /* 0011 */ V(1, 5, 4), + /* 0100 */ V(5, 1, 4), + /* 0101 */ PTR(60, 1), + /* 0110 */ V(5, 0, 4), + /* 0111 */ PTR(62, 1), + /* 1000 */ V(2, 4, 4), + /* 1001 */ V(4, 2, 4), + /* 1010 */ V(1, 4, 3), + /* 1011 */ V(1, 4, 3), + /* 1100 */ V(4, 1, 3), + /* 1101 */ V(4, 1, 3), + /* 1110 */ V(4, 0, 3), + /* 1111 */ V(4, 0, 3), + + /* 0001 ... */ + /* 0000 */ V(0, 4, 4), /* 32 */ + /* 0001 */ V(2, 3, 4), + /* 0010 */ V(3, 2, 4), + /* 0011 */ V(0, 3, 4), + /* 0100 */ V(1, 3, 3), + /* 0101 */ V(1, 3, 3), + /* 0110 */ V(3, 1, 3), + /* 0111 */ V(3, 1, 3), + /* 1000 */ V(3, 0, 3), + /* 1001 */ V(3, 0, 3), + /* 1010 */ V(2, 2, 3), + /* 1011 */ V(2, 2, 3), + /* 1100 */ V(1, 2, 2), + /* 1101 */ V(1, 2, 2), + /* 1110 */ V(1, 2, 2), + /* 1111 */ V(1, 2, 2), + + /* 0010 ... */ + /* 00 */ V(2, 1, 1), /* 48 */ + /* 01 */ V(2, 1, 1), + /* 10 */ V(0, 2, 2), + /* 11 */ V(2, 0, 2), + + /* 0000 0000 ... */ + /* 00 */ V(5, 5, 2), /* 52 */ + /* 01 */ V(4, 5, 2), + /* 10 */ V(5, 4, 2), + /* 11 */ V(5, 3, 2), + + /* 0000 0001 ... */ + /* 0 */ V(3, 5, 1), /* 56 */ + /* 1 */ V(4, 4, 1), + + /* 0000 0010 ... */ + /* 0 */ V(2, 5, 1), /* 58 */ + /* 1 */ V(5, 2, 1), + + /* 0000 0101 ... */ + /* 0 */ V(0, 5, 1), /* 60 */ + /* 1 */ V(3, 4, 1), + + /* 0000 0111 ... */ + /* 0 */ V(4, 3, 1), /* 62 */ + /* 1 */ V(3, 3, 1) +}; + +# if 0 +/* this version saves 8 entries (16 bytes) at the expense of + an extra lookup in 4 out of 36 cases */ +static +union huffpair const hufftab8[] = { + /* 0000 */ PTR(16, 4), + /* 0001 */ PTR(32, 2), + /* 0010 */ V(1, 2, 4), + /* 0011 */ V(2, 1, 4), + /* 0100 */ V(1, 1, 2), + /* 0101 */ V(1, 1, 2), + /* 0110 */ V(1, 1, 2), + /* 0111 */ V(1, 1, 2), + /* 1000 */ V(0, 1, 3), + /* 1001 */ V(0, 1, 3), + /* 1010 */ V(1, 0, 3), + /* 1011 */ V(1, 0, 3), + /* 1100 */ V(0, 0, 2), + /* 1101 */ V(0, 0, 2), + /* 1110 */ V(0, 0, 2), + /* 1111 */ V(0, 0, 2), + + /* 0000 ... */ + /* 0000 */ PTR(36, 3), /* 16 */ + /* 0001 */ PTR(44, 2), + /* 0010 */ PTR(48, 1), + /* 0011 */ V(1, 5, 4), + /* 0100 */ V(5, 1, 4), + /* 0101 */ PTR(50, 1), + /* 0110 */ PTR(52, 1), + /* 0111 */ V(2, 4, 4), + /* 1000 */ V(4, 2, 4), + /* 1001 */ V(1, 4, 4), + /* 1010 */ V(4, 1, 3), + /* 1011 */ V(4, 1, 3), + /* 1100 */ V(0, 4, 4), + /* 1101 */ V(4, 0, 4), + /* 1110 */ V(2, 3, 4), + /* 1111 */ V(3, 2, 4), + + /* 0001 ... */ + /* 00 */ PTR(54, 2), /* 32 */ + /* 01 */ V(2, 2, 2), + /* 10 */ V(0, 2, 2), + /* 11 */ V(2, 0, 2), + + /* 0000 0000 ... */ + /* 000 */ V(5, 5, 3), /* 36 */ + /* 001 */ V(5, 4, 3), + /* 010 */ V(4, 5, 2), + /* 011 */ V(4, 5, 2), + /* 100 */ V(5, 3, 1), + /* 101 */ V(5, 3, 1), + /* 110 */ V(5, 3, 1), + /* 111 */ V(5, 3, 1), + + /* 0000 0001 ... */ + /* 00 */ V(3, 5, 2), /* 44 */ + /* 01 */ V(4, 4, 2), + /* 10 */ V(2, 5, 1), + /* 11 */ V(2, 5, 1), + + /* 0000 0010 ... */ + /* 0 */ V(5, 2, 1), /* 48 */ + /* 1 */ V(0, 5, 1), + + /* 0000 0101 ... */ + /* 0 */ V(3, 4, 1), /* 50 */ + /* 1 */ V(4, 3, 1), + + /* 0000 0110 ... */ + /* 0 */ V(5, 0, 1), /* 52 */ + /* 1 */ V(3, 3, 1), + + /* 0001 00 ... */ + /* 00 */ V(1, 3, 2), /* 54 */ + /* 01 */ V(3, 1, 2), + /* 10 */ V(0, 3, 2), + /* 11 */ V(3, 0, 2), +}; +# else +static +union huffpair const hufftab8[] = { + /* 0000 */ PTR(16, 4), + /* 0001 */ PTR(32, 4), + /* 0010 */ V(1, 2, 4), + /* 0011 */ V(2, 1, 4), + /* 0100 */ V(1, 1, 2), + /* 0101 */ V(1, 1, 2), + /* 0110 */ V(1, 1, 2), + /* 0111 */ V(1, 1, 2), + /* 1000 */ V(0, 1, 3), + /* 1001 */ V(0, 1, 3), + /* 1010 */ V(1, 0, 3), + /* 1011 */ V(1, 0, 3), + /* 1100 */ V(0, 0, 2), + /* 1101 */ V(0, 0, 2), + /* 1110 */ V(0, 0, 2), + /* 1111 */ V(0, 0, 2), + + /* 0000 ... */ + /* 0000 */ PTR(48, 3), /* 16 */ + /* 0001 */ PTR(56, 2), + /* 0010 */ PTR(60, 1), + /* 0011 */ V(1, 5, 4), + /* 0100 */ V(5, 1, 4), + /* 0101 */ PTR(62, 1), + /* 0110 */ PTR(64, 1), + /* 0111 */ V(2, 4, 4), + /* 1000 */ V(4, 2, 4), + /* 1001 */ V(1, 4, 4), + /* 1010 */ V(4, 1, 3), + /* 1011 */ V(4, 1, 3), + /* 1100 */ V(0, 4, 4), + /* 1101 */ V(4, 0, 4), + /* 1110 */ V(2, 3, 4), + /* 1111 */ V(3, 2, 4), + + /* 0001 ... */ + /* 0000 */ V(1, 3, 4), /* 32 */ + /* 0001 */ V(3, 1, 4), + /* 0010 */ V(0, 3, 4), + /* 0011 */ V(3, 0, 4), + /* 0100 */ V(2, 2, 2), + /* 0101 */ V(2, 2, 2), + /* 0110 */ V(2, 2, 2), + /* 0111 */ V(2, 2, 2), + /* 1000 */ V(0, 2, 2), + /* 1001 */ V(0, 2, 2), + /* 1010 */ V(0, 2, 2), + /* 1011 */ V(0, 2, 2), + /* 1100 */ V(2, 0, 2), + /* 1101 */ V(2, 0, 2), + /* 1110 */ V(2, 0, 2), + /* 1111 */ V(2, 0, 2), + + /* 0000 0000 ... */ + /* 000 */ V(5, 5, 3), /* 48 */ + /* 001 */ V(5, 4, 3), + /* 010 */ V(4, 5, 2), + /* 011 */ V(4, 5, 2), + /* 100 */ V(5, 3, 1), + /* 101 */ V(5, 3, 1), + /* 110 */ V(5, 3, 1), + /* 111 */ V(5, 3, 1), + + /* 0000 0001 ... */ + /* 00 */ V(3, 5, 2), /* 56 */ + /* 01 */ V(4, 4, 2), + /* 10 */ V(2, 5, 1), + /* 11 */ V(2, 5, 1), + + /* 0000 0010 ... */ + /* 0 */ V(5, 2, 1), /* 60 */ + /* 1 */ V(0, 5, 1), + + /* 0000 0101 ... */ + /* 0 */ V(3, 4, 1), /* 62 */ + /* 1 */ V(4, 3, 1), + + /* 0000 0110 ... */ + /* 0 */ V(5, 0, 1), /* 64 */ + /* 1 */ V(3, 3, 1) +}; +# endif + +static +union huffpair const hufftab9[] = { + /* 0000 */ PTR(16, 4), + /* 0001 */ PTR(32, 3), + /* 0010 */ PTR(40, 2), + /* 0011 */ PTR(44, 2), + /* 0100 */ PTR(48, 1), + /* 0101 */ V(1, 2, 4), + /* 0110 */ V(2, 1, 4), + /* 0111 */ V(2, 0, 4), + /* 1000 */ V(1, 1, 3), + /* 1001 */ V(1, 1, 3), + /* 1010 */ V(0, 1, 3), + /* 1011 */ V(0, 1, 3), + /* 1100 */ V(1, 0, 3), + /* 1101 */ V(1, 0, 3), + /* 1110 */ V(0, 0, 3), + /* 1111 */ V(0, 0, 3), + + /* 0000 ... */ + /* 0000 */ PTR(50, 1), /* 16 */ + /* 0001 */ V(3, 5, 4), + /* 0010 */ V(5, 3, 4), + /* 0011 */ PTR(52, 1), + /* 0100 */ V(4, 4, 4), + /* 0101 */ V(2, 5, 4), + /* 0110 */ V(5, 2, 4), + /* 0111 */ V(1, 5, 4), + /* 1000 */ V(5, 1, 3), + /* 1001 */ V(5, 1, 3), + /* 1010 */ V(3, 4, 3), + /* 1011 */ V(3, 4, 3), + /* 1100 */ V(4, 3, 3), + /* 1101 */ V(4, 3, 3), + /* 1110 */ V(5, 0, 4), + /* 1111 */ V(0, 4, 4), + + /* 0001 ... */ + /* 000 */ V(2, 4, 3), /* 32 */ + /* 001 */ V(4, 2, 3), + /* 010 */ V(3, 3, 3), + /* 011 */ V(4, 0, 3), + /* 100 */ V(1, 4, 2), + /* 101 */ V(1, 4, 2), + /* 110 */ V(4, 1, 2), + /* 111 */ V(4, 1, 2), + + /* 0010 ... */ + /* 00 */ V(2, 3, 2), /* 40 */ + /* 01 */ V(3, 2, 2), + /* 10 */ V(1, 3, 1), + /* 11 */ V(1, 3, 1), + + /* 0011 ... */ + /* 00 */ V(3, 1, 1), /* 44 */ + /* 01 */ V(3, 1, 1), + /* 10 */ V(0, 3, 2), + /* 11 */ V(3, 0, 2), + + /* 0100 ... */ + /* 0 */ V(2, 2, 1), /* 48 */ + /* 1 */ V(0, 2, 1), + + /* 0000 0000 ... */ + /* 0 */ V(5, 5, 1), /* 50 */ + /* 1 */ V(4, 5, 1), + + /* 0000 0011 ... */ + /* 0 */ V(5, 4, 1), /* 52 */ + /* 1 */ V(0, 5, 1) +}; + +static +union huffpair const hufftab10[] = { + /* 0000 */ PTR(16, 4), + /* 0001 */ PTR(32, 4), + /* 0010 */ PTR(48, 2), + /* 0011 */ V(1, 1, 4), + /* 0100 */ V(0, 1, 3), + /* 0101 */ V(0, 1, 3), + /* 0110 */ V(1, 0, 3), + /* 0111 */ V(1, 0, 3), + /* 1000 */ V(0, 0, 1), + /* 1001 */ V(0, 0, 1), + /* 1010 */ V(0, 0, 1), + /* 1011 */ V(0, 0, 1), + /* 1100 */ V(0, 0, 1), + /* 1101 */ V(0, 0, 1), + /* 1110 */ V(0, 0, 1), + /* 1111 */ V(0, 0, 1), + + /* 0000 ... */ + /* 0000 */ PTR(52, 3), /* 16 */ + /* 0001 */ PTR(60, 2), + /* 0010 */ PTR(64, 3), + /* 0011 */ PTR(72, 1), + /* 0100 */ PTR(74, 2), + /* 0101 */ PTR(78, 2), + /* 0110 */ PTR(82, 2), + /* 0111 */ V(1, 7, 4), + /* 1000 */ V(7, 1, 4), + /* 1001 */ PTR(86, 1), + /* 1010 */ PTR(88, 2), + /* 1011 */ PTR(92, 2), + /* 1100 */ V(1, 6, 4), + /* 1101 */ V(6, 1, 4), + /* 1110 */ V(6, 0, 4), + /* 1111 */ PTR(96, 1), + + /* 0001 ... */ + /* 0000 */ PTR(98, 1), /* 32 */ + /* 0001 */ PTR(100, 1), + /* 0010 */ V(1, 4, 4), + /* 0011 */ V(4, 1, 4), + /* 0100 */ V(4, 0, 4), + /* 0101 */ V(2, 3, 4), + /* 0110 */ V(3, 2, 4), + /* 0111 */ V(0, 3, 4), + /* 1000 */ V(1, 3, 3), + /* 1001 */ V(1, 3, 3), + /* 1010 */ V(3, 1, 3), + /* 1011 */ V(3, 1, 3), + /* 1100 */ V(3, 0, 3), + /* 1101 */ V(3, 0, 3), + /* 1110 */ V(2, 2, 3), + /* 1111 */ V(2, 2, 3), + + /* 0010 ... */ + /* 00 */ V(1, 2, 2), /* 48 */ + /* 01 */ V(2, 1, 2), + /* 10 */ V(0, 2, 2), + /* 11 */ V(2, 0, 2), + + /* 0000 0000 ... */ + /* 000 */ V(7, 7, 3), /* 52 */ + /* 001 */ V(6, 7, 3), + /* 010 */ V(7, 6, 3), + /* 011 */ V(5, 7, 3), + /* 100 */ V(7, 5, 3), + /* 101 */ V(6, 6, 3), + /* 110 */ V(4, 7, 2), + /* 111 */ V(4, 7, 2), + + /* 0000 0001 ... */ + /* 00 */ V(7, 4, 2), /* 60 */ + /* 01 */ V(5, 6, 2), + /* 10 */ V(6, 5, 2), + /* 11 */ V(3, 7, 2), + + /* 0000 0010 ... */ + /* 000 */ V(7, 3, 2), /* 64 */ + /* 001 */ V(7, 3, 2), + /* 010 */ V(4, 6, 2), + /* 011 */ V(4, 6, 2), + /* 100 */ V(5, 5, 3), + /* 101 */ V(5, 4, 3), + /* 110 */ V(6, 3, 2), + /* 111 */ V(6, 3, 2), + + /* 0000 0011 ... */ + /* 0 */ V(2, 7, 1), /* 72 */ + /* 1 */ V(7, 2, 1), + + /* 0000 0100 ... */ + /* 00 */ V(6, 4, 2), /* 74 */ + /* 01 */ V(0, 7, 2), + /* 10 */ V(7, 0, 1), + /* 11 */ V(7, 0, 1), + + /* 0000 0101 ... */ + /* 00 */ V(6, 2, 1), /* 78 */ + /* 01 */ V(6, 2, 1), + /* 10 */ V(4, 5, 2), + /* 11 */ V(3, 5, 2), + + /* 0000 0110 ... */ + /* 00 */ V(0, 6, 1), /* 82 */ + /* 01 */ V(0, 6, 1), + /* 10 */ V(5, 3, 2), + /* 11 */ V(4, 4, 2), + + /* 0000 1001 ... */ + /* 0 */ V(3, 6, 1), /* 86 */ + /* 1 */ V(2, 6, 1), + + /* 0000 1010 ... */ + /* 00 */ V(2, 5, 2), /* 88 */ + /* 01 */ V(5, 2, 2), + /* 10 */ V(1, 5, 1), + /* 11 */ V(1, 5, 1), + + /* 0000 1011 ... */ + /* 00 */ V(5, 1, 1), /* 92 */ + /* 01 */ V(5, 1, 1), + /* 10 */ V(3, 4, 2), + /* 11 */ V(4, 3, 2), + + /* 0000 1111 ... */ + /* 0 */ V(0, 5, 1), /* 96 */ + /* 1 */ V(5, 0, 1), + + /* 0001 0000 ... */ + /* 0 */ V(2, 4, 1), /* 98 */ + /* 1 */ V(4, 2, 1), + + /* 0001 0001 ... */ + /* 0 */ V(3, 3, 1), /* 100 */ + /* 1 */ V(0, 4, 1) +}; + +static +union huffpair const hufftab11[] = { + /* 0000 */ PTR(16, 4), + /* 0001 */ PTR(32, 4), + /* 0010 */ PTR(48, 4), + /* 0011 */ PTR(64, 3), + /* 0100 */ V(1, 2, 4), + /* 0101 */ PTR(72, 1), + /* 0110 */ V(1, 1, 3), + /* 0111 */ V(1, 1, 3), + /* 1000 */ V(0, 1, 3), + /* 1001 */ V(0, 1, 3), + /* 1010 */ V(1, 0, 3), + /* 1011 */ V(1, 0, 3), + /* 1100 */ V(0, 0, 2), + /* 1101 */ V(0, 0, 2), + /* 1110 */ V(0, 0, 2), + /* 1111 */ V(0, 0, 2), + + /* 0000 ... */ + /* 0000 */ PTR(74, 2), /* 16 */ + /* 0001 */ PTR(78, 3), + /* 0010 */ PTR(86, 2), + /* 0011 */ PTR(90, 1), + /* 0100 */ PTR(92, 2), + /* 0101 */ V(2, 7, 4), + /* 0110 */ V(7, 2, 4), + /* 0111 */ PTR(96, 1), + /* 1000 */ V(7, 1, 3), + /* 1001 */ V(7, 1, 3), + /* 1010 */ V(1, 7, 4), + /* 1011 */ V(7, 0, 4), + /* 1100 */ V(3, 6, 4), + /* 1101 */ V(6, 3, 4), + /* 1110 */ V(6, 0, 4), + /* 1111 */ PTR(98, 1), + + /* 0001 ... */ + /* 0000 */ PTR(100, 1), /* 32 */ + /* 0001 */ V(1, 5, 4), + /* 0010 */ V(6, 2, 3), + /* 0011 */ V(6, 2, 3), + /* 0100 */ V(2, 6, 4), + /* 0101 */ V(0, 6, 4), + /* 0110 */ V(1, 6, 3), + /* 0111 */ V(1, 6, 3), + /* 1000 */ V(6, 1, 3), + /* 1001 */ V(6, 1, 3), + /* 1010 */ V(5, 1, 4), + /* 1011 */ V(3, 4, 4), + /* 1100 */ V(5, 0, 4), + /* 1101 */ PTR(102, 1), + /* 1110 */ V(2, 4, 4), + /* 1111 */ V(4, 2, 4), + + /* 0010 ... */ + /* 0000 */ V(1, 4, 4), /* 48 */ + /* 0001 */ V(4, 1, 4), + /* 0010 */ V(0, 4, 4), + /* 0011 */ V(4, 0, 4), + /* 0100 */ V(2, 3, 3), + /* 0101 */ V(2, 3, 3), + /* 0110 */ V(3, 2, 3), + /* 0111 */ V(3, 2, 3), + /* 1000 */ V(1, 3, 2), + /* 1001 */ V(1, 3, 2), + /* 1010 */ V(1, 3, 2), + /* 1011 */ V(1, 3, 2), + /* 1100 */ V(3, 1, 2), + /* 1101 */ V(3, 1, 2), + /* 1110 */ V(3, 1, 2), + /* 1111 */ V(3, 1, 2), + + /* 0011 ... */ + /* 000 */ V(0, 3, 3), /* 64 */ + /* 001 */ V(3, 0, 3), + /* 010 */ V(2, 2, 2), + /* 011 */ V(2, 2, 2), + /* 100 */ V(2, 1, 1), + /* 101 */ V(2, 1, 1), + /* 110 */ V(2, 1, 1), + /* 111 */ V(2, 1, 1), + + /* 0101 ... */ + /* 0 */ V(0, 2, 1), /* 72 */ + /* 1 */ V(2, 0, 1), + + /* 0000 0000 ... */ + /* 00 */ V(7, 7, 2), /* 74 */ + /* 01 */ V(6, 7, 2), + /* 10 */ V(7, 6, 2), + /* 11 */ V(7, 5, 2), + + /* 0000 0001 ... */ + /* 000 */ V(6, 6, 2), /* 78 */ + /* 001 */ V(6, 6, 2), + /* 010 */ V(4, 7, 2), + /* 011 */ V(4, 7, 2), + /* 100 */ V(7, 4, 2), + /* 101 */ V(7, 4, 2), + /* 110 */ V(5, 7, 3), + /* 111 */ V(5, 5, 3), + + /* 0000 0010 ... */ + /* 00 */ V(5, 6, 2), /* 86 */ + /* 01 */ V(6, 5, 2), + /* 10 */ V(3, 7, 1), + /* 11 */ V(3, 7, 1), + + /* 0000 0011 ... */ + /* 0 */ V(7, 3, 1), /* 90 */ + /* 1 */ V(4, 6, 1), + + /* 0000 0100 ... */ + /* 00 */ V(4, 5, 2), /* 92 */ + /* 01 */ V(5, 4, 2), + /* 10 */ V(3, 5, 2), + /* 11 */ V(5, 3, 2), + + /* 0000 0111 ... */ + /* 0 */ V(6, 4, 1), /* 96 */ + /* 1 */ V(0, 7, 1), + + /* 0000 1111 ... */ + /* 0 */ V(4, 4, 1), /* 98 */ + /* 1 */ V(2, 5, 1), + + /* 0001 0000 ... */ + /* 0 */ V(5, 2, 1), /* 100 */ + /* 1 */ V(0, 5, 1), + + /* 0001 1101 ... */ + /* 0 */ V(4, 3, 1), /* 102 */ + /* 1 */ V(3, 3, 1) +}; + +static +union huffpair const hufftab12[] = { + /* 0000 */ PTR(16, 4), + /* 0001 */ PTR(32, 4), + /* 0010 */ PTR(48, 4), + /* 0011 */ PTR(64, 2), + /* 0100 */ PTR(68, 3), + /* 0101 */ PTR(76, 1), + /* 0110 */ V(1, 2, 4), + /* 0111 */ V(2, 1, 4), + /* 1000 */ PTR(78, 1), + /* 1001 */ V(0, 0, 4), + /* 1010 */ V(1, 1, 3), + /* 1011 */ V(1, 1, 3), + /* 1100 */ V(0, 1, 3), + /* 1101 */ V(0, 1, 3), + /* 1110 */ V(1, 0, 3), + /* 1111 */ V(1, 0, 3), + + /* 0000 ... */ + /* 0000 */ PTR(80, 2), /* 16 */ + /* 0001 */ PTR(84, 1), + /* 0010 */ PTR(86, 1), + /* 0011 */ PTR(88, 1), + /* 0100 */ V(5, 6, 4), + /* 0101 */ V(3, 7, 4), + /* 0110 */ PTR(90, 1), + /* 0111 */ V(2, 7, 4), + /* 1000 */ V(7, 2, 4), + /* 1001 */ V(4, 6, 4), + /* 1010 */ V(6, 4, 4), + /* 1011 */ V(1, 7, 4), + /* 1100 */ V(7, 1, 4), + /* 1101 */ PTR(92, 1), + /* 1110 */ V(3, 6, 4), + /* 1111 */ V(6, 3, 4), + + /* 0001 ... */ + /* 0000 */ V(4, 5, 4), /* 32 */ + /* 0001 */ V(5, 4, 4), + /* 0010 */ V(4, 4, 4), + /* 0011 */ PTR(94, 1), + /* 0100 */ V(2, 6, 3), + /* 0101 */ V(2, 6, 3), + /* 0110 */ V(6, 2, 3), + /* 0111 */ V(6, 2, 3), + /* 1000 */ V(6, 1, 3), + /* 1001 */ V(6, 1, 3), + /* 1010 */ V(1, 6, 4), + /* 1011 */ V(6, 0, 4), + /* 1100 */ V(3, 5, 4), + /* 1101 */ V(5, 3, 4), + /* 1110 */ V(2, 5, 4), + /* 1111 */ V(5, 2, 4), + + /* 0010 ... */ + /* 0000 */ V(1, 5, 3), /* 48 */ + /* 0001 */ V(1, 5, 3), + /* 0010 */ V(5, 1, 3), + /* 0011 */ V(5, 1, 3), + /* 0100 */ V(3, 4, 3), + /* 0101 */ V(3, 4, 3), + /* 0110 */ V(4, 3, 3), + /* 0111 */ V(4, 3, 3), + /* 1000 */ V(5, 0, 4), + /* 1001 */ V(0, 4, 4), + /* 1010 */ V(2, 4, 3), + /* 1011 */ V(2, 4, 3), + /* 1100 */ V(4, 2, 3), + /* 1101 */ V(4, 2, 3), + /* 1110 */ V(1, 4, 3), + /* 1111 */ V(1, 4, 3), + + /* 0011 ... */ + /* 00 */ V(3, 3, 2), /* 64 */ + /* 01 */ V(4, 1, 2), + /* 10 */ V(2, 3, 2), + /* 11 */ V(3, 2, 2), + + /* 0100 ... */ + /* 000 */ V(4, 0, 3), /* 68 */ + /* 001 */ V(0, 3, 3), + /* 010 */ V(3, 0, 2), + /* 011 */ V(3, 0, 2), + /* 100 */ V(1, 3, 1), + /* 101 */ V(1, 3, 1), + /* 110 */ V(1, 3, 1), + /* 111 */ V(1, 3, 1), + + /* 0101 ... */ + /* 0 */ V(3, 1, 1), /* 76 */ + /* 1 */ V(2, 2, 1), + + /* 1000 ... */ + /* 0 */ V(0, 2, 1), /* 78 */ + /* 1 */ V(2, 0, 1), + + /* 0000 0000 ... */ + /* 00 */ V(7, 7, 2), /* 80 */ + /* 01 */ V(6, 7, 2), + /* 10 */ V(7, 6, 1), + /* 11 */ V(7, 6, 1), + + /* 0000 0001 ... */ + /* 0 */ V(5, 7, 1), /* 84 */ + /* 1 */ V(7, 5, 1), + + /* 0000 0010 ... */ + /* 0 */ V(6, 6, 1), /* 86 */ + /* 1 */ V(4, 7, 1), + + /* 0000 0011 ... */ + /* 0 */ V(7, 4, 1), /* 88 */ + /* 1 */ V(6, 5, 1), + + /* 0000 0110 ... */ + /* 0 */ V(7, 3, 1), /* 90 */ + /* 1 */ V(5, 5, 1), + + /* 0000 1101 ... */ + /* 0 */ V(0, 7, 1), /* 92 */ + /* 1 */ V(7, 0, 1), + + /* 0001 0011 ... */ + /* 0 */ V(0, 6, 1), /* 94 */ + /* 1 */ V(0, 5, 1) +}; + +static +union huffpair const hufftab13[] = { + /* 0000 */ PTR(16, 4), + /* 0001 */ PTR(32, 4), + /* 0010 */ PTR(48, 4), + /* 0011 */ PTR(64, 2), + /* 0100 */ V(1, 1, 4), + /* 0101 */ V(0, 1, 4), + /* 0110 */ V(1, 0, 3), + /* 0111 */ V(1, 0, 3), + /* 1000 */ V(0, 0, 1), + /* 1001 */ V(0, 0, 1), + /* 1010 */ V(0, 0, 1), + /* 1011 */ V(0, 0, 1), + /* 1100 */ V(0, 0, 1), + /* 1101 */ V(0, 0, 1), + /* 1110 */ V(0, 0, 1), + /* 1111 */ V(0, 0, 1), + + /* 0000 ... */ + /* 0000 */ PTR(68, 4), /* 16 */ + /* 0001 */ PTR(84, 4), + /* 0010 */ PTR(100, 4), + /* 0011 */ PTR(116, 4), + /* 0100 */ PTR(132, 4), + /* 0101 */ PTR(148, 4), + /* 0110 */ PTR(164, 3), + /* 0111 */ PTR(172, 3), + /* 1000 */ PTR(180, 3), + /* 1001 */ PTR(188, 3), + /* 1010 */ PTR(196, 3), + /* 1011 */ PTR(204, 3), + /* 1100 */ PTR(212, 1), + /* 1101 */ PTR(214, 2), + /* 1110 */ PTR(218, 3), + /* 1111 */ PTR(226, 1), + + /* 0001 ... */ + /* 0000 */ PTR(228, 2), /* 32 */ + /* 0001 */ PTR(232, 2), + /* 0010 */ PTR(236, 2), + /* 0011 */ PTR(240, 2), + /* 0100 */ V(8, 1, 4), + /* 0101 */ PTR(244, 1), + /* 0110 */ PTR(246, 1), + /* 0111 */ PTR(248, 1), + /* 1000 */ PTR(250, 2), + /* 1001 */ PTR(254, 1), + /* 1010 */ V(1, 5, 4), + /* 1011 */ V(5, 1, 4), + /* 1100 */ PTR(256, 1), + /* 1101 */ PTR(258, 1), + /* 1110 */ PTR(260, 1), + /* 1111 */ V(1, 4, 4), + + /* 0010 ... */ + /* 0000 */ V(4, 1, 3), /* 48 */ + /* 0001 */ V(4, 1, 3), + /* 0010 */ V(0, 4, 4), + /* 0011 */ V(4, 0, 4), + /* 0100 */ V(2, 3, 4), + /* 0101 */ V(3, 2, 4), + /* 0110 */ V(1, 3, 3), + /* 0111 */ V(1, 3, 3), + /* 1000 */ V(3, 1, 3), + /* 1001 */ V(3, 1, 3), + /* 1010 */ V(0, 3, 3), + /* 1011 */ V(0, 3, 3), + /* 1100 */ V(3, 0, 3), + /* 1101 */ V(3, 0, 3), + /* 1110 */ V(2, 2, 3), + /* 1111 */ V(2, 2, 3), + + /* 0011 ... */ + /* 00 */ V(1, 2, 2), /* 64 */ + /* 01 */ V(2, 1, 2), + /* 10 */ V(0, 2, 2), + /* 11 */ V(2, 0, 2), + + /* 0000 0000 ... */ + /* 0000 */ PTR(262, 4), /* 68 */ + /* 0001 */ PTR(278, 4), + /* 0010 */ PTR(294, 4), + /* 0011 */ PTR(310, 3), + /* 0100 */ PTR(318, 2), + /* 0101 */ PTR(322, 2), + /* 0110 */ PTR(326, 3), + /* 0111 */ PTR(334, 2), + /* 1000 */ PTR(338, 1), + /* 1001 */ PTR(340, 2), + /* 1010 */ PTR(344, 2), + /* 1011 */ PTR(348, 2), + /* 1100 */ PTR(352, 2), + /* 1101 */ PTR(356, 2), + /* 1110 */ V(1, 15, 4), + /* 1111 */ V(15, 1, 4), + + /* 0000 0001 ... */ + /* 0000 */ V(15, 0, 4), /* 84 */ + /* 0001 */ PTR(360, 1), + /* 0010 */ PTR(362, 1), + /* 0011 */ PTR(364, 1), + /* 0100 */ V(14, 2, 4), + /* 0101 */ PTR(366, 1), + /* 0110 */ V(1, 14, 4), + /* 0111 */ V(14, 1, 4), + /* 1000 */ PTR(368, 1), + /* 1001 */ PTR(370, 1), + /* 1010 */ PTR(372, 1), + /* 1011 */ PTR(374, 1), + /* 1100 */ PTR(376, 1), + /* 1101 */ PTR(378, 1), + /* 1110 */ V(12, 6, 4), + /* 1111 */ V(3, 13, 4), + + /* 0000 0010 ... */ + /* 0000 */ PTR(380, 1), /* 100 */ + /* 0001 */ V(2, 13, 4), + /* 0010 */ V(13, 2, 4), + /* 0011 */ V(1, 13, 4), + /* 0100 */ V(11, 7, 4), + /* 0101 */ PTR(382, 1), + /* 0110 */ PTR(384, 1), + /* 0111 */ V(12, 3, 4), + /* 1000 */ PTR(386, 1), + /* 1001 */ V(4, 11, 4), + /* 1010 */ V(13, 1, 3), + /* 1011 */ V(13, 1, 3), + /* 1100 */ V(0, 13, 4), + /* 1101 */ V(13, 0, 4), + /* 1110 */ V(8, 10, 4), + /* 1111 */ V(10, 8, 4), + + /* 0000 0011 ... */ + /* 0000 */ V(4, 12, 4), /* 116 */ + /* 0001 */ V(12, 4, 4), + /* 0010 */ V(6, 11, 4), + /* 0011 */ V(11, 6, 4), + /* 0100 */ V(3, 12, 3), + /* 0101 */ V(3, 12, 3), + /* 0110 */ V(2, 12, 3), + /* 0111 */ V(2, 12, 3), + /* 1000 */ V(12, 2, 3), + /* 1001 */ V(12, 2, 3), + /* 1010 */ V(5, 11, 3), + /* 1011 */ V(5, 11, 3), + /* 1100 */ V(11, 5, 4), + /* 1101 */ V(8, 9, 4), + /* 1110 */ V(1, 12, 3), + /* 1111 */ V(1, 12, 3), + + /* 0000 0100 ... */ + /* 0000 */ V(12, 1, 3), /* 132 */ + /* 0001 */ V(12, 1, 3), + /* 0010 */ V(9, 8, 4), + /* 0011 */ V(0, 12, 4), + /* 0100 */ V(12, 0, 3), + /* 0101 */ V(12, 0, 3), + /* 0110 */ V(11, 4, 4), + /* 0111 */ V(6, 10, 4), + /* 1000 */ V(10, 6, 4), + /* 1001 */ V(7, 9, 4), + /* 1010 */ V(3, 11, 3), + /* 1011 */ V(3, 11, 3), + /* 1100 */ V(11, 3, 3), + /* 1101 */ V(11, 3, 3), + /* 1110 */ V(8, 8, 4), + /* 1111 */ V(5, 10, 4), + + /* 0000 0101 ... */ + /* 0000 */ V(2, 11, 3), /* 148 */ + /* 0001 */ V(2, 11, 3), + /* 0010 */ V(10, 5, 4), + /* 0011 */ V(6, 9, 4), + /* 0100 */ V(10, 4, 3), + /* 0101 */ V(10, 4, 3), + /* 0110 */ V(7, 8, 4), + /* 0111 */ V(8, 7, 4), + /* 1000 */ V(9, 4, 3), + /* 1001 */ V(9, 4, 3), + /* 1010 */ V(7, 7, 4), + /* 1011 */ V(7, 6, 4), + /* 1100 */ V(11, 2, 2), + /* 1101 */ V(11, 2, 2), + /* 1110 */ V(11, 2, 2), + /* 1111 */ V(11, 2, 2), + + /* 0000 0110 ... */ + /* 000 */ V(1, 11, 2), /* 164 */ + /* 001 */ V(1, 11, 2), + /* 010 */ V(11, 1, 2), + /* 011 */ V(11, 1, 2), + /* 100 */ V(0, 11, 3), + /* 101 */ V(11, 0, 3), + /* 110 */ V(9, 6, 3), + /* 111 */ V(4, 10, 3), + + /* 0000 0111 ... */ + /* 000 */ V(3, 10, 3), /* 172 */ + /* 001 */ V(10, 3, 3), + /* 010 */ V(5, 9, 3), + /* 011 */ V(9, 5, 3), + /* 100 */ V(2, 10, 2), + /* 101 */ V(2, 10, 2), + /* 110 */ V(10, 2, 2), + /* 111 */ V(10, 2, 2), + + /* 0000 1000 ... */ + /* 000 */ V(1, 10, 2), /* 180 */ + /* 001 */ V(1, 10, 2), + /* 010 */ V(10, 1, 2), + /* 011 */ V(10, 1, 2), + /* 100 */ V(0, 10, 3), + /* 101 */ V(6, 8, 3), + /* 110 */ V(10, 0, 2), + /* 111 */ V(10, 0, 2), + + /* 0000 1001 ... */ + /* 000 */ V(8, 6, 3), /* 188 */ + /* 001 */ V(4, 9, 3), + /* 010 */ V(9, 3, 2), + /* 011 */ V(9, 3, 2), + /* 100 */ V(3, 9, 3), + /* 101 */ V(5, 8, 3), + /* 110 */ V(8, 5, 3), + /* 111 */ V(6, 7, 3), + + /* 0000 1010 ... */ + /* 000 */ V(2, 9, 2), /* 196 */ + /* 001 */ V(2, 9, 2), + /* 010 */ V(9, 2, 2), + /* 011 */ V(9, 2, 2), + /* 100 */ V(5, 7, 3), + /* 101 */ V(7, 5, 3), + /* 110 */ V(3, 8, 2), + /* 111 */ V(3, 8, 2), + + /* 0000 1011 ... */ + /* 000 */ V(8, 3, 2), /* 204 */ + /* 001 */ V(8, 3, 2), + /* 010 */ V(6, 6, 3), + /* 011 */ V(4, 7, 3), + /* 100 */ V(7, 4, 3), + /* 101 */ V(5, 6, 3), + /* 110 */ V(6, 5, 3), + /* 111 */ V(7, 3, 3), + + /* 0000 1100 ... */ + /* 0 */ V(1, 9, 1), /* 212 */ + /* 1 */ V(9, 1, 1), + + /* 0000 1101 ... */ + /* 00 */ V(0, 9, 2), /* 214 */ + /* 01 */ V(9, 0, 2), + /* 10 */ V(4, 8, 2), + /* 11 */ V(8, 4, 2), + + /* 0000 1110 ... */ + /* 000 */ V(7, 2, 2), /* 218 */ + /* 001 */ V(7, 2, 2), + /* 010 */ V(4, 6, 3), + /* 011 */ V(6, 4, 3), + /* 100 */ V(2, 8, 1), + /* 101 */ V(2, 8, 1), + /* 110 */ V(2, 8, 1), + /* 111 */ V(2, 8, 1), + + /* 0000 1111 ... */ + /* 0 */ V(8, 2, 1), /* 226 */ + /* 1 */ V(1, 8, 1), + + /* 0001 0000 ... */ + /* 00 */ V(3, 7, 2), /* 228 */ + /* 01 */ V(2, 7, 2), + /* 10 */ V(1, 7, 1), + /* 11 */ V(1, 7, 1), + + /* 0001 0001 ... */ + /* 00 */ V(7, 1, 1), /* 232 */ + /* 01 */ V(7, 1, 1), + /* 10 */ V(5, 5, 2), + /* 11 */ V(0, 7, 2), + + /* 0001 0010 ... */ + /* 00 */ V(7, 0, 2), /* 236 */ + /* 01 */ V(3, 6, 2), + /* 10 */ V(6, 3, 2), + /* 11 */ V(4, 5, 2), + + /* 0001 0011 ... */ + /* 00 */ V(5, 4, 2), /* 240 */ + /* 01 */ V(2, 6, 2), + /* 10 */ V(6, 2, 2), + /* 11 */ V(3, 5, 2), + + /* 0001 0101 ... */ + /* 0 */ V(0, 8, 1), /* 244 */ + /* 1 */ V(8, 0, 1), + + /* 0001 0110 ... */ + /* 0 */ V(1, 6, 1), /* 246 */ + /* 1 */ V(6, 1, 1), + + /* 0001 0111 ... */ + /* 0 */ V(0, 6, 1), /* 248 */ + /* 1 */ V(6, 0, 1), + + /* 0001 1000 ... */ + /* 00 */ V(5, 3, 2), /* 250 */ + /* 01 */ V(4, 4, 2), + /* 10 */ V(2, 5, 1), + /* 11 */ V(2, 5, 1), + + /* 0001 1001 ... */ + /* 0 */ V(5, 2, 1), /* 254 */ + /* 1 */ V(0, 5, 1), + + /* 0001 1100 ... */ + /* 0 */ V(3, 4, 1), /* 256 */ + /* 1 */ V(4, 3, 1), + + /* 0001 1101 ... */ + /* 0 */ V(5, 0, 1), /* 258 */ + /* 1 */ V(2, 4, 1), + + /* 0001 1110 ... */ + /* 0 */ V(4, 2, 1), /* 260 */ + /* 1 */ V(3, 3, 1), + + /* 0000 0000 0000 ... */ + /* 0000 */ PTR(388, 3), /* 262 */ + /* 0001 */ V(15, 15, 4), + /* 0010 */ V(14, 15, 4), + /* 0011 */ V(13, 15, 4), + /* 0100 */ V(14, 14, 4), + /* 0101 */ V(12, 15, 4), + /* 0110 */ V(13, 14, 4), + /* 0111 */ V(11, 15, 4), + /* 1000 */ V(15, 11, 4), + /* 1001 */ V(12, 14, 4), + /* 1010 */ V(13, 12, 4), + /* 1011 */ PTR(396, 1), + /* 1100 */ V(14, 12, 3), + /* 1101 */ V(14, 12, 3), + /* 1110 */ V(13, 13, 3), + /* 1111 */ V(13, 13, 3), + + /* 0000 0000 0001 ... */ + /* 0000 */ V(15, 10, 4), /* 278 */ + /* 0001 */ V(12, 13, 4), + /* 0010 */ V(11, 14, 3), + /* 0011 */ V(11, 14, 3), + /* 0100 */ V(14, 11, 3), + /* 0101 */ V(14, 11, 3), + /* 0110 */ V(9, 15, 3), + /* 0111 */ V(9, 15, 3), + /* 1000 */ V(15, 9, 3), + /* 1001 */ V(15, 9, 3), + /* 1010 */ V(14, 10, 3), + /* 1011 */ V(14, 10, 3), + /* 1100 */ V(11, 13, 3), + /* 1101 */ V(11, 13, 3), + /* 1110 */ V(13, 11, 3), + /* 1111 */ V(13, 11, 3), + + /* 0000 0000 0010 ... */ + /* 0000 */ V(8, 15, 3), /* 294 */ + /* 0001 */ V(8, 15, 3), + /* 0010 */ V(15, 8, 3), + /* 0011 */ V(15, 8, 3), + /* 0100 */ V(12, 12, 3), + /* 0101 */ V(12, 12, 3), + /* 0110 */ V(10, 14, 4), + /* 0111 */ V(9, 14, 4), + /* 1000 */ V(8, 14, 3), + /* 1001 */ V(8, 14, 3), + /* 1010 */ V(7, 15, 4), + /* 1011 */ V(7, 14, 4), + /* 1100 */ V(15, 7, 2), + /* 1101 */ V(15, 7, 2), + /* 1110 */ V(15, 7, 2), + /* 1111 */ V(15, 7, 2), + + /* 0000 0000 0011 ... */ + /* 000 */ V(13, 10, 2), /* 310 */ + /* 001 */ V(13, 10, 2), + /* 010 */ V(10, 13, 3), + /* 011 */ V(11, 12, 3), + /* 100 */ V(12, 11, 3), + /* 101 */ V(15, 6, 3), + /* 110 */ V(6, 15, 2), + /* 111 */ V(6, 15, 2), + + /* 0000 0000 0100 ... */ + /* 00 */ V(14, 8, 2), /* 318 */ + /* 01 */ V(5, 15, 2), + /* 10 */ V(9, 13, 2), + /* 11 */ V(13, 9, 2), + + /* 0000 0000 0101 ... */ + /* 00 */ V(15, 5, 2), /* 322 */ + /* 01 */ V(14, 7, 2), + /* 10 */ V(10, 12, 2), + /* 11 */ V(11, 11, 2), + + /* 0000 0000 0110 ... */ + /* 000 */ V(4, 15, 2), /* 326 */ + /* 001 */ V(4, 15, 2), + /* 010 */ V(15, 4, 2), + /* 011 */ V(15, 4, 2), + /* 100 */ V(12, 10, 3), + /* 101 */ V(14, 6, 3), + /* 110 */ V(15, 3, 2), + /* 111 */ V(15, 3, 2), + + /* 0000 0000 0111 ... */ + /* 00 */ V(3, 15, 1), /* 334 */ + /* 01 */ V(3, 15, 1), + /* 10 */ V(8, 13, 2), + /* 11 */ V(13, 8, 2), + + /* 0000 0000 1000 ... */ + /* 0 */ V(2, 15, 1), /* 338 */ + /* 1 */ V(15, 2, 1), + + /* 0000 0000 1001 ... */ + /* 00 */ V(6, 14, 2), /* 340 */ + /* 01 */ V(9, 12, 2), + /* 10 */ V(0, 15, 1), + /* 11 */ V(0, 15, 1), + + /* 0000 0000 1010 ... */ + /* 00 */ V(12, 9, 2), /* 344 */ + /* 01 */ V(5, 14, 2), + /* 10 */ V(10, 11, 1), + /* 11 */ V(10, 11, 1), + + /* 0000 0000 1011 ... */ + /* 00 */ V(7, 13, 2), /* 348 */ + /* 01 */ V(13, 7, 2), + /* 10 */ V(4, 14, 1), + /* 11 */ V(4, 14, 1), + + /* 0000 0000 1100 ... */ + /* 00 */ V(12, 8, 2), /* 352 */ + /* 01 */ V(13, 6, 2), + /* 10 */ V(3, 14, 1), + /* 11 */ V(3, 14, 1), + + /* 0000 0000 1101 ... */ + /* 00 */ V(11, 9, 1), /* 356 */ + /* 01 */ V(11, 9, 1), + /* 10 */ V(9, 11, 2), + /* 11 */ V(10, 10, 2), + + /* 0000 0001 0001 ... */ + /* 0 */ V(11, 10, 1), /* 360 */ + /* 1 */ V(14, 5, 1), + + /* 0000 0001 0010 ... */ + /* 0 */ V(14, 4, 1), /* 362 */ + /* 1 */ V(8, 12, 1), + + /* 0000 0001 0011 ... */ + /* 0 */ V(6, 13, 1), /* 364 */ + /* 1 */ V(14, 3, 1), + + /* 0000 0001 0101 ... */ + /* 0 */ V(2, 14, 1), /* 366 */ + /* 1 */ V(0, 14, 1), + + /* 0000 0001 1000 ... */ + /* 0 */ V(14, 0, 1), /* 368 */ + /* 1 */ V(5, 13, 1), + + /* 0000 0001 1001 ... */ + /* 0 */ V(13, 5, 1), /* 370 */ + /* 1 */ V(7, 12, 1), + + /* 0000 0001 1010 ... */ + /* 0 */ V(12, 7, 1), /* 372 */ + /* 1 */ V(4, 13, 1), + + /* 0000 0001 1011 ... */ + /* 0 */ V(8, 11, 1), /* 374 */ + /* 1 */ V(11, 8, 1), + + /* 0000 0001 1100 ... */ + /* 0 */ V(13, 4, 1), /* 376 */ + /* 1 */ V(9, 10, 1), + + /* 0000 0001 1101 ... */ + /* 0 */ V(10, 9, 1), /* 378 */ + /* 1 */ V(6, 12, 1), + + /* 0000 0010 0000 ... */ + /* 0 */ V(13, 3, 1), /* 380 */ + /* 1 */ V(7, 11, 1), + + /* 0000 0010 0101 ... */ + /* 0 */ V(5, 12, 1), /* 382 */ + /* 1 */ V(12, 5, 1), + + /* 0000 0010 0110 ... */ + /* 0 */ V(9, 9, 1), /* 384 */ + /* 1 */ V(7, 10, 1), + + /* 0000 0010 1000 ... */ + /* 0 */ V(10, 7, 1), /* 386 */ + /* 1 */ V(9, 7, 1), + + /* 0000 0000 0000 0000 ... */ + /* 000 */ V(15, 14, 3), /* 388 */ + /* 001 */ V(15, 12, 3), + /* 010 */ V(15, 13, 2), + /* 011 */ V(15, 13, 2), + /* 100 */ V(14, 13, 1), + /* 101 */ V(14, 13, 1), + /* 110 */ V(14, 13, 1), + /* 111 */ V(14, 13, 1), + + /* 0000 0000 0000 1011 ... */ + /* 0 */ V(10, 15, 1), /* 396 */ + /* 1 */ V(14, 9, 1) +}; + +static +union huffpair const hufftab15[] = { + /* 0000 */ PTR(16, 4), + /* 0001 */ PTR(32, 4), + /* 0010 */ PTR(48, 4), + /* 0011 */ PTR(64, 4), + /* 0100 */ PTR(80, 4), + /* 0101 */ PTR(96, 3), + /* 0110 */ PTR(104, 3), + /* 0111 */ PTR(112, 2), + /* 1000 */ PTR(116, 1), + /* 1001 */ PTR(118, 1), + /* 1010 */ V(1, 1, 3), + /* 1011 */ V(1, 1, 3), + /* 1100 */ V(0, 1, 4), + /* 1101 */ V(1, 0, 4), + /* 1110 */ V(0, 0, 3), + /* 1111 */ V(0, 0, 3), + + /* 0000 ... */ + /* 0000 */ PTR(120, 4), /* 16 */ + /* 0001 */ PTR(136, 4), + /* 0010 */ PTR(152, 4), + /* 0011 */ PTR(168, 4), + /* 0100 */ PTR(184, 4), + /* 0101 */ PTR(200, 3), + /* 0110 */ PTR(208, 3), + /* 0111 */ PTR(216, 4), + /* 1000 */ PTR(232, 3), + /* 1001 */ PTR(240, 3), + /* 1010 */ PTR(248, 3), + /* 1011 */ PTR(256, 3), + /* 1100 */ PTR(264, 2), + /* 1101 */ PTR(268, 3), + /* 1110 */ PTR(276, 3), + /* 1111 */ PTR(284, 2), + + /* 0001 ... */ + /* 0000 */ PTR(288, 2), /* 32 */ + /* 0001 */ PTR(292, 2), + /* 0010 */ PTR(296, 2), + /* 0011 */ PTR(300, 2), + /* 0100 */ PTR(304, 2), + /* 0101 */ PTR(308, 2), + /* 0110 */ PTR(312, 2), + /* 0111 */ PTR(316, 2), + /* 1000 */ PTR(320, 1), + /* 1001 */ PTR(322, 1), + /* 1010 */ PTR(324, 1), + /* 1011 */ PTR(326, 2), + /* 1100 */ PTR(330, 1), + /* 1101 */ PTR(332, 1), + /* 1110 */ PTR(334, 2), + /* 1111 */ PTR(338, 1), + + /* 0010 ... */ + /* 0000 */ PTR(340, 1), /* 48 */ + /* 0001 */ PTR(342, 1), + /* 0010 */ V(9, 1, 4), + /* 0011 */ PTR(344, 1), + /* 0100 */ PTR(346, 1), + /* 0101 */ PTR(348, 1), + /* 0110 */ PTR(350, 1), + /* 0111 */ PTR(352, 1), + /* 1000 */ V(2, 8, 4), + /* 1001 */ V(8, 2, 4), + /* 1010 */ V(1, 8, 4), + /* 1011 */ V(8, 1, 4), + /* 1100 */ PTR(354, 1), + /* 1101 */ PTR(356, 1), + /* 1110 */ PTR(358, 1), + /* 1111 */ PTR(360, 1), + + /* 0011 ... */ + /* 0000 */ V(2, 7, 4), /* 64 */ + /* 0001 */ V(7, 2, 4), + /* 0010 */ V(6, 4, 4), + /* 0011 */ V(1, 7, 4), + /* 0100 */ V(5, 5, 4), + /* 0101 */ V(7, 1, 4), + /* 0110 */ PTR(362, 1), + /* 0111 */ V(3, 6, 4), + /* 1000 */ V(6, 3, 4), + /* 1001 */ V(4, 5, 4), + /* 1010 */ V(5, 4, 4), + /* 1011 */ V(2, 6, 4), + /* 1100 */ V(6, 2, 4), + /* 1101 */ V(1, 6, 4), + /* 1110 */ PTR(364, 1), + /* 1111 */ V(3, 5, 4), + + /* 0100 ... */ + /* 0000 */ V(6, 1, 3), /* 80 */ + /* 0001 */ V(6, 1, 3), + /* 0010 */ V(5, 3, 4), + /* 0011 */ V(4, 4, 4), + /* 0100 */ V(2, 5, 3), + /* 0101 */ V(2, 5, 3), + /* 0110 */ V(5, 2, 3), + /* 0111 */ V(5, 2, 3), + /* 1000 */ V(1, 5, 3), + /* 1001 */ V(1, 5, 3), + /* 1010 */ V(5, 1, 3), + /* 1011 */ V(5, 1, 3), + /* 1100 */ V(0, 5, 4), + /* 1101 */ V(5, 0, 4), + /* 1110 */ V(3, 4, 3), + /* 1111 */ V(3, 4, 3), + + /* 0101 ... */ + /* 000 */ V(4, 3, 3), /* 96 */ + /* 001 */ V(2, 4, 3), + /* 010 */ V(4, 2, 3), + /* 011 */ V(3, 3, 3), + /* 100 */ V(4, 1, 2), + /* 101 */ V(4, 1, 2), + /* 110 */ V(1, 4, 3), + /* 111 */ V(0, 4, 3), + + /* 0110 ... */ + /* 000 */ V(2, 3, 2), /* 104 */ + /* 001 */ V(2, 3, 2), + /* 010 */ V(3, 2, 2), + /* 011 */ V(3, 2, 2), + /* 100 */ V(4, 0, 3), + /* 101 */ V(0, 3, 3), + /* 110 */ V(1, 3, 2), + /* 111 */ V(1, 3, 2), + + /* 0111 ... */ + /* 00 */ V(3, 1, 2), /* 112 */ + /* 01 */ V(3, 0, 2), + /* 10 */ V(2, 2, 1), + /* 11 */ V(2, 2, 1), + + /* 1000 ... */ + /* 0 */ V(1, 2, 1), /* 116 */ + /* 1 */ V(2, 1, 1), + + /* 1001 ... */ + /* 0 */ V(0, 2, 1), /* 118 */ + /* 1 */ V(2, 0, 1), + + /* 0000 0000 ... */ + /* 0000 */ PTR(366, 1), /* 120 */ + /* 0001 */ PTR(368, 1), + /* 0010 */ V(14, 14, 4), + /* 0011 */ PTR(370, 1), + /* 0100 */ PTR(372, 1), + /* 0101 */ PTR(374, 1), + /* 0110 */ V(15, 11, 4), + /* 0111 */ PTR(376, 1), + /* 1000 */ V(13, 13, 4), + /* 1001 */ V(10, 15, 4), + /* 1010 */ V(15, 10, 4), + /* 1011 */ V(11, 14, 4), + /* 1100 */ V(14, 11, 4), + /* 1101 */ V(12, 13, 4), + /* 1110 */ V(13, 12, 4), + /* 1111 */ V(9, 15, 4), + + /* 0000 0001 ... */ + /* 0000 */ V(15, 9, 4), /* 136 */ + /* 0001 */ V(14, 10, 4), + /* 0010 */ V(11, 13, 4), + /* 0011 */ V(13, 11, 4), + /* 0100 */ V(8, 15, 4), + /* 0101 */ V(15, 8, 4), + /* 0110 */ V(12, 12, 4), + /* 0111 */ V(9, 14, 4), + /* 1000 */ V(14, 9, 4), + /* 1001 */ V(7, 15, 4), + /* 1010 */ V(15, 7, 4), + /* 1011 */ V(10, 13, 4), + /* 1100 */ V(13, 10, 4), + /* 1101 */ V(11, 12, 4), + /* 1110 */ V(6, 15, 4), + /* 1111 */ PTR(378, 1), + + /* 0000 0010 ... */ + /* 0000 */ V(12, 11, 3), /* 152 */ + /* 0001 */ V(12, 11, 3), + /* 0010 */ V(15, 6, 3), + /* 0011 */ V(15, 6, 3), + /* 0100 */ V(8, 14, 4), + /* 0101 */ V(14, 8, 4), + /* 0110 */ V(5, 15, 4), + /* 0111 */ V(9, 13, 4), + /* 1000 */ V(15, 5, 3), + /* 1001 */ V(15, 5, 3), + /* 1010 */ V(7, 14, 3), + /* 1011 */ V(7, 14, 3), + /* 1100 */ V(14, 7, 3), + /* 1101 */ V(14, 7, 3), + /* 1110 */ V(10, 12, 3), + /* 1111 */ V(10, 12, 3), + + /* 0000 0011 ... */ + /* 0000 */ V(12, 10, 3), /* 168 */ + /* 0001 */ V(12, 10, 3), + /* 0010 */ V(11, 11, 3), + /* 0011 */ V(11, 11, 3), + /* 0100 */ V(13, 9, 4), + /* 0101 */ V(8, 13, 4), + /* 0110 */ V(4, 15, 3), + /* 0111 */ V(4, 15, 3), + /* 1000 */ V(15, 4, 3), + /* 1001 */ V(15, 4, 3), + /* 1010 */ V(3, 15, 3), + /* 1011 */ V(3, 15, 3), + /* 1100 */ V(15, 3, 3), + /* 1101 */ V(15, 3, 3), + /* 1110 */ V(13, 8, 3), + /* 1111 */ V(13, 8, 3), + + /* 0000 0100 ... */ + /* 0000 */ V(14, 6, 3), /* 184 */ + /* 0001 */ V(14, 6, 3), + /* 0010 */ V(2, 15, 3), + /* 0011 */ V(2, 15, 3), + /* 0100 */ V(15, 2, 3), + /* 0101 */ V(15, 2, 3), + /* 0110 */ V(6, 14, 4), + /* 0111 */ V(15, 0, 4), + /* 1000 */ V(1, 15, 3), + /* 1001 */ V(1, 15, 3), + /* 1010 */ V(15, 1, 3), + /* 1011 */ V(15, 1, 3), + /* 1100 */ V(9, 12, 3), + /* 1101 */ V(9, 12, 3), + /* 1110 */ V(12, 9, 3), + /* 1111 */ V(12, 9, 3), + + /* 0000 0101 ... */ + /* 000 */ V(5, 14, 3), /* 200 */ + /* 001 */ V(10, 11, 3), + /* 010 */ V(11, 10, 3), + /* 011 */ V(14, 5, 3), + /* 100 */ V(7, 13, 3), + /* 101 */ V(13, 7, 3), + /* 110 */ V(4, 14, 3), + /* 111 */ V(14, 4, 3), + + /* 0000 0110 ... */ + /* 000 */ V(8, 12, 3), /* 208 */ + /* 001 */ V(12, 8, 3), + /* 010 */ V(3, 14, 3), + /* 011 */ V(6, 13, 3), + /* 100 */ V(13, 6, 3), + /* 101 */ V(14, 3, 3), + /* 110 */ V(9, 11, 3), + /* 111 */ V(11, 9, 3), + + /* 0000 0111 ... */ + /* 0000 */ V(2, 14, 3), /* 216 */ + /* 0001 */ V(2, 14, 3), + /* 0010 */ V(10, 10, 3), + /* 0011 */ V(10, 10, 3), + /* 0100 */ V(14, 2, 3), + /* 0101 */ V(14, 2, 3), + /* 0110 */ V(1, 14, 3), + /* 0111 */ V(1, 14, 3), + /* 1000 */ V(14, 1, 3), + /* 1001 */ V(14, 1, 3), + /* 1010 */ V(0, 14, 4), + /* 1011 */ V(14, 0, 4), + /* 1100 */ V(5, 13, 3), + /* 1101 */ V(5, 13, 3), + /* 1110 */ V(13, 5, 3), + /* 1111 */ V(13, 5, 3), + + /* 0000 1000 ... */ + /* 000 */ V(7, 12, 3), /* 232 */ + /* 001 */ V(12, 7, 3), + /* 010 */ V(4, 13, 3), + /* 011 */ V(8, 11, 3), + /* 100 */ V(13, 4, 2), + /* 101 */ V(13, 4, 2), + /* 110 */ V(11, 8, 3), + /* 111 */ V(9, 10, 3), + + /* 0000 1001 ... */ + /* 000 */ V(10, 9, 3), /* 240 */ + /* 001 */ V(6, 12, 3), + /* 010 */ V(12, 6, 3), + /* 011 */ V(3, 13, 3), + /* 100 */ V(13, 3, 2), + /* 101 */ V(13, 3, 2), + /* 110 */ V(13, 2, 2), + /* 111 */ V(13, 2, 2), + + /* 0000 1010 ... */ + /* 000 */ V(2, 13, 3), /* 248 */ + /* 001 */ V(0, 13, 3), + /* 010 */ V(1, 13, 2), + /* 011 */ V(1, 13, 2), + /* 100 */ V(7, 11, 2), + /* 101 */ V(7, 11, 2), + /* 110 */ V(11, 7, 2), + /* 111 */ V(11, 7, 2), + + /* 0000 1011 ... */ + /* 000 */ V(13, 1, 2), /* 256 */ + /* 001 */ V(13, 1, 2), + /* 010 */ V(5, 12, 3), + /* 011 */ V(13, 0, 3), + /* 100 */ V(12, 5, 2), + /* 101 */ V(12, 5, 2), + /* 110 */ V(8, 10, 2), + /* 111 */ V(8, 10, 2), + + /* 0000 1100 ... */ + /* 00 */ V(10, 8, 2), /* 264 */ + /* 01 */ V(4, 12, 2), + /* 10 */ V(12, 4, 2), + /* 11 */ V(6, 11, 2), + + /* 0000 1101 ... */ + /* 000 */ V(11, 6, 2), /* 268 */ + /* 001 */ V(11, 6, 2), + /* 010 */ V(9, 9, 3), + /* 011 */ V(0, 12, 3), + /* 100 */ V(3, 12, 2), + /* 101 */ V(3, 12, 2), + /* 110 */ V(12, 3, 2), + /* 111 */ V(12, 3, 2), + + /* 0000 1110 ... */ + /* 000 */ V(7, 10, 2), /* 276 */ + /* 001 */ V(7, 10, 2), + /* 010 */ V(10, 7, 2), + /* 011 */ V(10, 7, 2), + /* 100 */ V(10, 6, 2), + /* 101 */ V(10, 6, 2), + /* 110 */ V(12, 0, 3), + /* 111 */ V(0, 11, 3), + + /* 0000 1111 ... */ + /* 00 */ V(12, 2, 1), /* 284 */ + /* 01 */ V(12, 2, 1), + /* 10 */ V(2, 12, 2), + /* 11 */ V(5, 11, 2), + + /* 0001 0000 ... */ + /* 00 */ V(11, 5, 2), /* 288 */ + /* 01 */ V(1, 12, 2), + /* 10 */ V(8, 9, 2), + /* 11 */ V(9, 8, 2), + + /* 0001 0001 ... */ + /* 00 */ V(12, 1, 2), /* 292 */ + /* 01 */ V(4, 11, 2), + /* 10 */ V(11, 4, 2), + /* 11 */ V(6, 10, 2), + + /* 0001 0010 ... */ + /* 00 */ V(3, 11, 2), /* 296 */ + /* 01 */ V(7, 9, 2), + /* 10 */ V(11, 3, 1), + /* 11 */ V(11, 3, 1), + + /* 0001 0011 ... */ + /* 00 */ V(9, 7, 2), /* 300 */ + /* 01 */ V(8, 8, 2), + /* 10 */ V(2, 11, 2), + /* 11 */ V(5, 10, 2), + + /* 0001 0100 ... */ + /* 00 */ V(11, 2, 1), /* 304 */ + /* 01 */ V(11, 2, 1), + /* 10 */ V(10, 5, 2), + /* 11 */ V(1, 11, 2), + + /* 0001 0101 ... */ + /* 00 */ V(11, 1, 1), /* 308 */ + /* 01 */ V(11, 1, 1), + /* 10 */ V(11, 0, 2), + /* 11 */ V(6, 9, 2), + + /* 0001 0110 ... */ + /* 00 */ V(9, 6, 2), /* 312 */ + /* 01 */ V(4, 10, 2), + /* 10 */ V(10, 4, 2), + /* 11 */ V(7, 8, 2), + + /* 0001 0111 ... */ + /* 00 */ V(8, 7, 2), /* 316 */ + /* 01 */ V(3, 10, 2), + /* 10 */ V(10, 3, 1), + /* 11 */ V(10, 3, 1), + + /* 0001 1000 ... */ + /* 0 */ V(5, 9, 1), /* 320 */ + /* 1 */ V(9, 5, 1), + + /* 0001 1001 ... */ + /* 0 */ V(2, 10, 1), /* 322 */ + /* 1 */ V(10, 2, 1), + + /* 0001 1010 ... */ + /* 0 */ V(1, 10, 1), /* 324 */ + /* 1 */ V(10, 1, 1), + + /* 0001 1011 ... */ + /* 00 */ V(0, 10, 2), /* 326 */ + /* 01 */ V(10, 0, 2), + /* 10 */ V(6, 8, 1), + /* 11 */ V(6, 8, 1), + + /* 0001 1100 ... */ + /* 0 */ V(8, 6, 1), /* 330 */ + /* 1 */ V(4, 9, 1), + + /* 0001 1101 ... */ + /* 0 */ V(9, 4, 1), /* 332 */ + /* 1 */ V(3, 9, 1), + + /* 0001 1110 ... */ + /* 00 */ V(9, 3, 1), /* 334 */ + /* 01 */ V(9, 3, 1), + /* 10 */ V(7, 7, 2), + /* 11 */ V(0, 9, 2), + + /* 0001 1111 ... */ + /* 0 */ V(5, 8, 1), /* 338 */ + /* 1 */ V(8, 5, 1), + + /* 0010 0000 ... */ + /* 0 */ V(2, 9, 1), /* 340 */ + /* 1 */ V(6, 7, 1), + + /* 0010 0001 ... */ + /* 0 */ V(7, 6, 1), /* 342 */ + /* 1 */ V(9, 2, 1), + + /* 0010 0011 ... */ + /* 0 */ V(1, 9, 1), /* 344 */ + /* 1 */ V(9, 0, 1), + + /* 0010 0100 ... */ + /* 0 */ V(4, 8, 1), /* 346 */ + /* 1 */ V(8, 4, 1), + + /* 0010 0101 ... */ + /* 0 */ V(5, 7, 1), /* 348 */ + /* 1 */ V(7, 5, 1), + + /* 0010 0110 ... */ + /* 0 */ V(3, 8, 1), /* 350 */ + /* 1 */ V(8, 3, 1), + + /* 0010 0111 ... */ + /* 0 */ V(6, 6, 1), /* 352 */ + /* 1 */ V(4, 7, 1), + + /* 0010 1100 ... */ + /* 0 */ V(7, 4, 1), /* 354 */ + /* 1 */ V(0, 8, 1), + + /* 0010 1101 ... */ + /* 0 */ V(8, 0, 1), /* 356 */ + /* 1 */ V(5, 6, 1), + + /* 0010 1110 ... */ + /* 0 */ V(6, 5, 1), /* 358 */ + /* 1 */ V(3, 7, 1), + + /* 0010 1111 ... */ + /* 0 */ V(7, 3, 1), /* 360 */ + /* 1 */ V(4, 6, 1), + + /* 0011 0110 ... */ + /* 0 */ V(0, 7, 1), /* 362 */ + /* 1 */ V(7, 0, 1), + + /* 0011 1110 ... */ + /* 0 */ V(0, 6, 1), /* 364 */ + /* 1 */ V(6, 0, 1), + + /* 0000 0000 0000 ... */ + /* 0 */ V(15, 15, 1), /* 366 */ + /* 1 */ V(14, 15, 1), + + /* 0000 0000 0001 ... */ + /* 0 */ V(15, 14, 1), /* 368 */ + /* 1 */ V(13, 15, 1), + + /* 0000 0000 0011 ... */ + /* 0 */ V(15, 13, 1), /* 370 */ + /* 1 */ V(12, 15, 1), + + /* 0000 0000 0100 ... */ + /* 0 */ V(15, 12, 1), /* 372 */ + /* 1 */ V(13, 14, 1), + + /* 0000 0000 0101 ... */ + /* 0 */ V(14, 13, 1), /* 374 */ + /* 1 */ V(11, 15, 1), + + /* 0000 0000 0111 ... */ + /* 0 */ V(12, 14, 1), /* 376 */ + /* 1 */ V(14, 12, 1), + + /* 0000 0001 1111 ... */ + /* 0 */ V(10, 14, 1), /* 378 */ + /* 1 */ V(0, 15, 1) +}; + +static +union huffpair const hufftab16[] = { + /* 0000 */ PTR(16, 4), + /* 0001 */ PTR(32, 4), + /* 0010 */ PTR(48, 4), + /* 0011 */ PTR(64, 2), + /* 0100 */ V(1, 1, 4), + /* 0101 */ V(0, 1, 4), + /* 0110 */ V(1, 0, 3), + /* 0111 */ V(1, 0, 3), + /* 1000 */ V(0, 0, 1), + /* 1001 */ V(0, 0, 1), + /* 1010 */ V(0, 0, 1), + /* 1011 */ V(0, 0, 1), + /* 1100 */ V(0, 0, 1), + /* 1101 */ V(0, 0, 1), + /* 1110 */ V(0, 0, 1), + /* 1111 */ V(0, 0, 1), + + /* 0000 ... */ + /* 0000 */ PTR(68, 3), /* 16 */ + /* 0001 */ PTR(76, 3), + /* 0010 */ PTR(84, 2), + /* 0011 */ V(15, 15, 4), + /* 0100 */ PTR(88, 2), + /* 0101 */ PTR(92, 1), + /* 0110 */ PTR(94, 4), + /* 0111 */ V(15, 2, 4), + /* 1000 */ PTR(110, 1), + /* 1001 */ V(1, 15, 4), + /* 1010 */ V(15, 1, 4), + /* 1011 */ PTR(112, 4), + /* 1100 */ PTR(128, 4), + /* 1101 */ PTR(144, 4), + /* 1110 */ PTR(160, 4), + /* 1111 */ PTR(176, 4), + + /* 0001 ... */ + /* 0000 */ PTR(192, 4), /* 32 */ + /* 0001 */ PTR(208, 3), + /* 0010 */ PTR(216, 3), + /* 0011 */ PTR(224, 3), + /* 0100 */ PTR(232, 3), + /* 0101 */ PTR(240, 3), + /* 0110 */ PTR(248, 3), + /* 0111 */ PTR(256, 3), + /* 1000 */ PTR(264, 2), + /* 1001 */ PTR(268, 2), + /* 1010 */ PTR(272, 1), + /* 1011 */ PTR(274, 2), + /* 1100 */ PTR(278, 2), + /* 1101 */ PTR(282, 1), + /* 1110 */ V(5, 1, 4), + /* 1111 */ PTR(284, 1), + + /* 0010 ... */ + /* 0000 */ PTR(286, 1), /* 48 */ + /* 0001 */ PTR(288, 1), + /* 0010 */ PTR(290, 1), + /* 0011 */ V(1, 4, 4), + /* 0100 */ V(4, 1, 4), + /* 0101 */ PTR(292, 1), + /* 0110 */ V(2, 3, 4), + /* 0111 */ V(3, 2, 4), + /* 1000 */ V(1, 3, 3), + /* 1001 */ V(1, 3, 3), + /* 1010 */ V(3, 1, 3), + /* 1011 */ V(3, 1, 3), + /* 1100 */ V(0, 3, 4), + /* 1101 */ V(3, 0, 4), + /* 1110 */ V(2, 2, 3), + /* 1111 */ V(2, 2, 3), + + /* 0011 ... */ + /* 00 */ V(1, 2, 2), /* 64 */ + /* 01 */ V(2, 1, 2), + /* 10 */ V(0, 2, 2), + /* 11 */ V(2, 0, 2), + + /* 0000 0000 ... */ + /* 000 */ V(14, 15, 3), /* 68 */ + /* 001 */ V(15, 14, 3), + /* 010 */ V(13, 15, 3), + /* 011 */ V(15, 13, 3), + /* 100 */ V(12, 15, 3), + /* 101 */ V(15, 12, 3), + /* 110 */ V(11, 15, 3), + /* 111 */ V(15, 11, 3), + + /* 0000 0001 ... */ + /* 000 */ V(10, 15, 2), /* 76 */ + /* 001 */ V(10, 15, 2), + /* 010 */ V(15, 10, 3), + /* 011 */ V(9, 15, 3), + /* 100 */ V(15, 9, 3), + /* 101 */ V(15, 8, 3), + /* 110 */ V(8, 15, 2), + /* 111 */ V(8, 15, 2), + + /* 0000 0010 ... */ + /* 00 */ V(7, 15, 2), /* 84 */ + /* 01 */ V(15, 7, 2), + /* 10 */ V(6, 15, 2), + /* 11 */ V(15, 6, 2), + + /* 0000 0100 ... */ + /* 00 */ V(5, 15, 2), /* 88 */ + /* 01 */ V(15, 5, 2), + /* 10 */ V(4, 15, 1), + /* 11 */ V(4, 15, 1), + + /* 0000 0101 ... */ + /* 0 */ V(15, 4, 1), /* 92 */ + /* 1 */ V(15, 3, 1), + + /* 0000 0110 ... */ + /* 0000 */ V(15, 0, 1), /* 94 */ + /* 0001 */ V(15, 0, 1), + /* 0010 */ V(15, 0, 1), + /* 0011 */ V(15, 0, 1), + /* 0100 */ V(15, 0, 1), + /* 0101 */ V(15, 0, 1), + /* 0110 */ V(15, 0, 1), + /* 0111 */ V(15, 0, 1), + /* 1000 */ V(3, 15, 2), + /* 1001 */ V(3, 15, 2), + /* 1010 */ V(3, 15, 2), + /* 1011 */ V(3, 15, 2), + /* 1100 */ PTR(294, 4), + /* 1101 */ PTR(310, 3), + /* 1110 */ PTR(318, 3), + /* 1111 */ PTR(326, 3), + + /* 0000 1000 ... */ + /* 0 */ V(2, 15, 1), /* 110 */ + /* 1 */ V(0, 15, 1), + + /* 0000 1011 ... */ + /* 0000 */ PTR(334, 2), /* 112 */ + /* 0001 */ PTR(338, 2), + /* 0010 */ PTR(342, 2), + /* 0011 */ PTR(346, 1), + /* 0100 */ PTR(348, 2), + /* 0101 */ PTR(352, 2), + /* 0110 */ PTR(356, 1), + /* 0111 */ PTR(358, 2), + /* 1000 */ PTR(362, 2), + /* 1001 */ PTR(366, 2), + /* 1010 */ PTR(370, 2), + /* 1011 */ V(14, 3, 4), + /* 1100 */ PTR(374, 1), + /* 1101 */ PTR(376, 1), + /* 1110 */ PTR(378, 1), + /* 1111 */ PTR(380, 1), + + /* 0000 1100 ... */ + /* 0000 */ PTR(382, 1), /* 128 */ + /* 0001 */ PTR(384, 1), + /* 0010 */ PTR(386, 1), + /* 0011 */ V(0, 13, 4), + /* 0100 */ PTR(388, 1), + /* 0101 */ PTR(390, 1), + /* 0110 */ PTR(392, 1), + /* 0111 */ V(3, 12, 4), + /* 1000 */ PTR(394, 1), + /* 1001 */ V(1, 12, 4), + /* 1010 */ V(12, 0, 4), + /* 1011 */ PTR(396, 1), + /* 1100 */ V(14, 2, 3), + /* 1101 */ V(14, 2, 3), + /* 1110 */ V(2, 14, 4), + /* 1111 */ V(1, 14, 4), + + /* 0000 1101 ... */ + /* 0000 */ V(13, 3, 4), /* 144 */ + /* 0001 */ V(2, 13, 4), + /* 0010 */ V(13, 2, 4), + /* 0011 */ V(13, 1, 4), + /* 0100 */ V(3, 11, 4), + /* 0101 */ PTR(398, 1), + /* 0110 */ V(1, 13, 3), + /* 0111 */ V(1, 13, 3), + /* 1000 */ V(12, 4, 4), + /* 1001 */ V(6, 11, 4), + /* 1010 */ V(12, 3, 4), + /* 1011 */ V(10, 7, 4), + /* 1100 */ V(2, 12, 3), + /* 1101 */ V(2, 12, 3), + /* 1110 */ V(12, 2, 4), + /* 1111 */ V(11, 5, 4), + + /* 0000 1110 ... */ + /* 0000 */ V(12, 1, 4), /* 160 */ + /* 0001 */ V(0, 12, 4), + /* 0010 */ V(4, 11, 4), + /* 0011 */ V(11, 4, 4), + /* 0100 */ V(6, 10, 4), + /* 0101 */ V(10, 6, 4), + /* 0110 */ V(11, 3, 3), + /* 0111 */ V(11, 3, 3), + /* 1000 */ V(5, 10, 4), + /* 1001 */ V(10, 5, 4), + /* 1010 */ V(2, 11, 3), + /* 1011 */ V(2, 11, 3), + /* 1100 */ V(11, 2, 3), + /* 1101 */ V(11, 2, 3), + /* 1110 */ V(1, 11, 3), + /* 1111 */ V(1, 11, 3), + + /* 0000 1111 ... */ + /* 0000 */ V(11, 1, 3), /* 176 */ + /* 0001 */ V(11, 1, 3), + /* 0010 */ V(0, 11, 4), + /* 0011 */ V(11, 0, 4), + /* 0100 */ V(6, 9, 4), + /* 0101 */ V(9, 6, 4), + /* 0110 */ V(4, 10, 4), + /* 0111 */ V(10, 4, 4), + /* 1000 */ V(7, 8, 4), + /* 1001 */ V(8, 7, 4), + /* 1010 */ V(10, 3, 3), + /* 1011 */ V(10, 3, 3), + /* 1100 */ V(3, 10, 4), + /* 1101 */ V(5, 9, 4), + /* 1110 */ V(2, 10, 3), + /* 1111 */ V(2, 10, 3), + + /* 0001 0000 ... */ + /* 0000 */ V(9, 5, 4), /* 192 */ + /* 0001 */ V(6, 8, 4), + /* 0010 */ V(10, 1, 3), + /* 0011 */ V(10, 1, 3), + /* 0100 */ V(8, 6, 4), + /* 0101 */ V(7, 7, 4), + /* 0110 */ V(9, 4, 3), + /* 0111 */ V(9, 4, 3), + /* 1000 */ V(4, 9, 4), + /* 1001 */ V(5, 7, 4), + /* 1010 */ V(6, 7, 3), + /* 1011 */ V(6, 7, 3), + /* 1100 */ V(10, 2, 2), + /* 1101 */ V(10, 2, 2), + /* 1110 */ V(10, 2, 2), + /* 1111 */ V(10, 2, 2), + + /* 0001 0001 ... */ + /* 000 */ V(1, 10, 2), /* 208 */ + /* 001 */ V(1, 10, 2), + /* 010 */ V(0, 10, 3), + /* 011 */ V(10, 0, 3), + /* 100 */ V(3, 9, 3), + /* 101 */ V(9, 3, 3), + /* 110 */ V(5, 8, 3), + /* 111 */ V(8, 5, 3), + + /* 0001 0010 ... */ + /* 000 */ V(2, 9, 2), /* 216 */ + /* 001 */ V(2, 9, 2), + /* 010 */ V(9, 2, 2), + /* 011 */ V(9, 2, 2), + /* 100 */ V(7, 6, 3), + /* 101 */ V(0, 9, 3), + /* 110 */ V(1, 9, 2), + /* 111 */ V(1, 9, 2), + + /* 0001 0011 ... */ + /* 000 */ V(9, 1, 2), /* 224 */ + /* 001 */ V(9, 1, 2), + /* 010 */ V(9, 0, 3), + /* 011 */ V(4, 8, 3), + /* 100 */ V(8, 4, 3), + /* 101 */ V(7, 5, 3), + /* 110 */ V(3, 8, 3), + /* 111 */ V(8, 3, 3), + + /* 0001 0100 ... */ + /* 000 */ V(6, 6, 3), /* 232 */ + /* 001 */ V(2, 8, 3), + /* 010 */ V(8, 2, 2), + /* 011 */ V(8, 2, 2), + /* 100 */ V(4, 7, 3), + /* 101 */ V(7, 4, 3), + /* 110 */ V(1, 8, 2), + /* 111 */ V(1, 8, 2), + + /* 0001 0101 ... */ + /* 000 */ V(8, 1, 2), /* 240 */ + /* 001 */ V(8, 1, 2), + /* 010 */ V(8, 0, 2), + /* 011 */ V(8, 0, 2), + /* 100 */ V(0, 8, 3), + /* 101 */ V(5, 6, 3), + /* 110 */ V(3, 7, 2), + /* 111 */ V(3, 7, 2), + + /* 0001 0110 ... */ + /* 000 */ V(7, 3, 2), /* 248 */ + /* 001 */ V(7, 3, 2), + /* 010 */ V(6, 5, 3), + /* 011 */ V(4, 6, 3), + /* 100 */ V(2, 7, 2), + /* 101 */ V(2, 7, 2), + /* 110 */ V(7, 2, 2), + /* 111 */ V(7, 2, 2), + + /* 0001 0111 ... */ + /* 000 */ V(6, 4, 3), /* 256 */ + /* 001 */ V(5, 5, 3), + /* 010 */ V(0, 7, 2), + /* 011 */ V(0, 7, 2), + /* 100 */ V(1, 7, 1), + /* 101 */ V(1, 7, 1), + /* 110 */ V(1, 7, 1), + /* 111 */ V(1, 7, 1), + + /* 0001 1000 ... */ + /* 00 */ V(7, 1, 1), /* 264 */ + /* 01 */ V(7, 1, 1), + /* 10 */ V(7, 0, 2), + /* 11 */ V(3, 6, 2), + + /* 0001 1001 ... */ + /* 00 */ V(6, 3, 2), /* 268 */ + /* 01 */ V(4, 5, 2), + /* 10 */ V(5, 4, 2), + /* 11 */ V(2, 6, 2), + + /* 0001 1010 ... */ + /* 0 */ V(6, 2, 1), /* 272 */ + /* 1 */ V(1, 6, 1), + + /* 0001 1011 ... */ + /* 00 */ V(6, 1, 1), /* 274 */ + /* 01 */ V(6, 1, 1), + /* 10 */ V(0, 6, 2), + /* 11 */ V(6, 0, 2), + + /* 0001 1100 ... */ + /* 00 */ V(5, 3, 1), /* 278 */ + /* 01 */ V(5, 3, 1), + /* 10 */ V(3, 5, 2), + /* 11 */ V(4, 4, 2), + + /* 0001 1101 ... */ + /* 0 */ V(2, 5, 1), /* 282 */ + /* 1 */ V(5, 2, 1), + + /* 0001 1111 ... */ + /* 0 */ V(1, 5, 1), /* 284 */ + /* 1 */ V(0, 5, 1), + + /* 0010 0000 ... */ + /* 0 */ V(3, 4, 1), /* 286 */ + /* 1 */ V(4, 3, 1), + + /* 0010 0001 ... */ + /* 0 */ V(5, 0, 1), /* 288 */ + /* 1 */ V(2, 4, 1), + + /* 0010 0010 ... */ + /* 0 */ V(4, 2, 1), /* 290 */ + /* 1 */ V(3, 3, 1), + + /* 0010 0101 ... */ + /* 0 */ V(0, 4, 1), /* 292 */ + /* 1 */ V(4, 0, 1), + + /* 0000 0110 1100 ... */ + /* 0000 */ V(12, 14, 4), /* 294 */ + /* 0001 */ PTR(400, 1), + /* 0010 */ V(13, 14, 3), + /* 0011 */ V(13, 14, 3), + /* 0100 */ V(14, 9, 3), + /* 0101 */ V(14, 9, 3), + /* 0110 */ V(14, 10, 4), + /* 0111 */ V(13, 9, 4), + /* 1000 */ V(14, 14, 2), + /* 1001 */ V(14, 14, 2), + /* 1010 */ V(14, 14, 2), + /* 1011 */ V(14, 14, 2), + /* 1100 */ V(14, 13, 3), + /* 1101 */ V(14, 13, 3), + /* 1110 */ V(14, 11, 3), + /* 1111 */ V(14, 11, 3), + + /* 0000 0110 1101 ... */ + /* 000 */ V(11, 14, 2), /* 310 */ + /* 001 */ V(11, 14, 2), + /* 010 */ V(12, 13, 2), + /* 011 */ V(12, 13, 2), + /* 100 */ V(13, 12, 3), + /* 101 */ V(13, 11, 3), + /* 110 */ V(10, 14, 2), + /* 111 */ V(10, 14, 2), + + /* 0000 0110 1110 ... */ + /* 000 */ V(12, 12, 2), /* 318 */ + /* 001 */ V(12, 12, 2), + /* 010 */ V(10, 13, 3), + /* 011 */ V(13, 10, 3), + /* 100 */ V(7, 14, 3), + /* 101 */ V(10, 12, 3), + /* 110 */ V(12, 10, 2), + /* 111 */ V(12, 10, 2), + + /* 0000 0110 1111 ... */ + /* 000 */ V(12, 9, 3), /* 326 */ + /* 001 */ V(7, 13, 3), + /* 010 */ V(5, 14, 2), + /* 011 */ V(5, 14, 2), + /* 100 */ V(11, 13, 1), + /* 101 */ V(11, 13, 1), + /* 110 */ V(11, 13, 1), + /* 111 */ V(11, 13, 1), + + /* 0000 1011 0000 ... */ + /* 00 */ V(9, 14, 1), /* 334 */ + /* 01 */ V(9, 14, 1), + /* 10 */ V(11, 12, 2), + /* 11 */ V(12, 11, 2), + + /* 0000 1011 0001 ... */ + /* 00 */ V(8, 14, 2), /* 338 */ + /* 01 */ V(14, 8, 2), + /* 10 */ V(9, 13, 2), + /* 11 */ V(14, 7, 2), + + /* 0000 1011 0010 ... */ + /* 00 */ V(11, 11, 2), /* 342 */ + /* 01 */ V(8, 13, 2), + /* 10 */ V(13, 8, 2), + /* 11 */ V(6, 14, 2), + + /* 0000 1011 0011 ... */ + /* 0 */ V(14, 6, 1), /* 346 */ + /* 1 */ V(9, 12, 1), + + /* 0000 1011 0100 ... */ + /* 00 */ V(10, 11, 2), /* 348 */ + /* 01 */ V(11, 10, 2), + /* 10 */ V(14, 5, 2), + /* 11 */ V(13, 7, 2), + + /* 0000 1011 0101 ... */ + /* 00 */ V(4, 14, 1), /* 352 */ + /* 01 */ V(4, 14, 1), + /* 10 */ V(14, 4, 2), + /* 11 */ V(8, 12, 2), + + /* 0000 1011 0110 ... */ + /* 0 */ V(12, 8, 1), /* 356 */ + /* 1 */ V(3, 14, 1), + + /* 0000 1011 0111 ... */ + /* 00 */ V(6, 13, 1), /* 358 */ + /* 01 */ V(6, 13, 1), + /* 10 */ V(13, 6, 2), + /* 11 */ V(9, 11, 2), + + /* 0000 1011 1000 ... */ + /* 00 */ V(11, 9, 2), /* 362 */ + /* 01 */ V(10, 10, 2), + /* 10 */ V(14, 1, 1), + /* 11 */ V(14, 1, 1), + + /* 0000 1011 1001 ... */ + /* 00 */ V(13, 4, 1), /* 366 */ + /* 01 */ V(13, 4, 1), + /* 10 */ V(11, 8, 2), + /* 11 */ V(10, 9, 2), + + /* 0000 1011 1010 ... */ + /* 00 */ V(7, 11, 1), /* 370 */ + /* 01 */ V(7, 11, 1), + /* 10 */ V(11, 7, 2), + /* 11 */ V(13, 0, 2), + + /* 0000 1011 1100 ... */ + /* 0 */ V(0, 14, 1), /* 374 */ + /* 1 */ V(14, 0, 1), + + /* 0000 1011 1101 ... */ + /* 0 */ V(5, 13, 1), /* 376 */ + /* 1 */ V(13, 5, 1), + + /* 0000 1011 1110 ... */ + /* 0 */ V(7, 12, 1), /* 378 */ + /* 1 */ V(12, 7, 1), + + /* 0000 1011 1111 ... */ + /* 0 */ V(4, 13, 1), /* 380 */ + /* 1 */ V(8, 11, 1), + + /* 0000 1100 0000 ... */ + /* 0 */ V(9, 10, 1), /* 382 */ + /* 1 */ V(6, 12, 1), + + /* 0000 1100 0001 ... */ + /* 0 */ V(12, 6, 1), /* 384 */ + /* 1 */ V(3, 13, 1), + + /* 0000 1100 0010 ... */ + /* 0 */ V(5, 12, 1), /* 386 */ + /* 1 */ V(12, 5, 1), + + /* 0000 1100 0100 ... */ + /* 0 */ V(8, 10, 1), /* 388 */ + /* 1 */ V(10, 8, 1), + + /* 0000 1100 0101 ... */ + /* 0 */ V(9, 9, 1), /* 390 */ + /* 1 */ V(4, 12, 1), + + /* 0000 1100 0110 ... */ + /* 0 */ V(11, 6, 1), /* 392 */ + /* 1 */ V(7, 10, 1), + + /* 0000 1100 1000 ... */ + /* 0 */ V(5, 11, 1), /* 394 */ + /* 1 */ V(8, 9, 1), + + /* 0000 1100 1011 ... */ + /* 0 */ V(9, 8, 1), /* 396 */ + /* 1 */ V(7, 9, 1), + + /* 0000 1101 0101 ... */ + /* 0 */ V(9, 7, 1), /* 398 */ + /* 1 */ V(8, 8, 1), + + /* 0000 0110 1100 0001 ... */ + /* 0 */ V(14, 12, 1), /* 400 */ + /* 1 */ V(13, 13, 1) +}; + +static +union huffpair const hufftab24[] = { + /* 0000 */ PTR(16, 4), + /* 0001 */ PTR(32, 4), + /* 0010 */ PTR(48, 4), + /* 0011 */ V(15, 15, 4), + /* 0100 */ PTR(64, 4), + /* 0101 */ PTR(80, 4), + /* 0110 */ PTR(96, 4), + /* 0111 */ PTR(112, 4), + /* 1000 */ PTR(128, 4), + /* 1001 */ PTR(144, 4), + /* 1010 */ PTR(160, 3), + /* 1011 */ PTR(168, 2), + /* 1100 */ V(1, 1, 4), + /* 1101 */ V(0, 1, 4), + /* 1110 */ V(1, 0, 4), + /* 1111 */ V(0, 0, 4), + + /* 0000 ... */ + /* 0000 */ V(14, 15, 4), /* 16 */ + /* 0001 */ V(15, 14, 4), + /* 0010 */ V(13, 15, 4), + /* 0011 */ V(15, 13, 4), + /* 0100 */ V(12, 15, 4), + /* 0101 */ V(15, 12, 4), + /* 0110 */ V(11, 15, 4), + /* 0111 */ V(15, 11, 4), + /* 1000 */ V(15, 10, 3), + /* 1001 */ V(15, 10, 3), + /* 1010 */ V(10, 15, 4), + /* 1011 */ V(9, 15, 4), + /* 1100 */ V(15, 9, 3), + /* 1101 */ V(15, 9, 3), + /* 1110 */ V(15, 8, 3), + /* 1111 */ V(15, 8, 3), + + /* 0001 ... */ + /* 0000 */ V(8, 15, 4), /* 32 */ + /* 0001 */ V(7, 15, 4), + /* 0010 */ V(15, 7, 3), + /* 0011 */ V(15, 7, 3), + /* 0100 */ V(6, 15, 3), + /* 0101 */ V(6, 15, 3), + /* 0110 */ V(15, 6, 3), + /* 0111 */ V(15, 6, 3), + /* 1000 */ V(5, 15, 3), + /* 1001 */ V(5, 15, 3), + /* 1010 */ V(15, 5, 3), + /* 1011 */ V(15, 5, 3), + /* 1100 */ V(4, 15, 3), + /* 1101 */ V(4, 15, 3), + /* 1110 */ V(15, 4, 3), + /* 1111 */ V(15, 4, 3), + + /* 0010 ... */ + /* 0000 */ V(3, 15, 3), /* 48 */ + /* 0001 */ V(3, 15, 3), + /* 0010 */ V(15, 3, 3), + /* 0011 */ V(15, 3, 3), + /* 0100 */ V(2, 15, 3), + /* 0101 */ V(2, 15, 3), + /* 0110 */ V(15, 2, 3), + /* 0111 */ V(15, 2, 3), + /* 1000 */ V(15, 1, 3), + /* 1001 */ V(15, 1, 3), + /* 1010 */ V(1, 15, 4), + /* 1011 */ V(15, 0, 4), + /* 1100 */ PTR(172, 3), + /* 1101 */ PTR(180, 3), + /* 1110 */ PTR(188, 3), + /* 1111 */ PTR(196, 3), + + /* 0100 ... */ + /* 0000 */ PTR(204, 4), /* 64 */ + /* 0001 */ PTR(220, 3), + /* 0010 */ PTR(228, 3), + /* 0011 */ PTR(236, 3), + /* 0100 */ PTR(244, 2), + /* 0101 */ PTR(248, 2), + /* 0110 */ PTR(252, 2), + /* 0111 */ PTR(256, 2), + /* 1000 */ PTR(260, 2), + /* 1001 */ PTR(264, 2), + /* 1010 */ PTR(268, 2), + /* 1011 */ PTR(272, 2), + /* 1100 */ PTR(276, 2), + /* 1101 */ PTR(280, 3), + /* 1110 */ PTR(288, 2), + /* 1111 */ PTR(292, 2), + + /* 0101 ... */ + /* 0000 */ PTR(296, 2), /* 80 */ + /* 0001 */ PTR(300, 3), + /* 0010 */ PTR(308, 2), + /* 0011 */ PTR(312, 3), + /* 0100 */ PTR(320, 1), + /* 0101 */ PTR(322, 2), + /* 0110 */ PTR(326, 2), + /* 0111 */ PTR(330, 1), + /* 1000 */ PTR(332, 2), + /* 1001 */ PTR(336, 1), + /* 1010 */ PTR(338, 1), + /* 1011 */ PTR(340, 1), + /* 1100 */ PTR(342, 1), + /* 1101 */ PTR(344, 1), + /* 1110 */ PTR(346, 1), + /* 1111 */ PTR(348, 1), + + /* 0110 ... */ + /* 0000 */ PTR(350, 1), /* 96 */ + /* 0001 */ PTR(352, 1), + /* 0010 */ PTR(354, 1), + /* 0011 */ PTR(356, 1), + /* 0100 */ PTR(358, 1), + /* 0101 */ PTR(360, 1), + /* 0110 */ PTR(362, 1), + /* 0111 */ PTR(364, 1), + /* 1000 */ PTR(366, 1), + /* 1001 */ PTR(368, 1), + /* 1010 */ PTR(370, 2), + /* 1011 */ PTR(374, 1), + /* 1100 */ PTR(376, 2), + /* 1101 */ V(7, 3, 4), + /* 1110 */ PTR(380, 1), + /* 1111 */ V(7, 2, 4), + + /* 0111 ... */ + /* 0000 */ V(4, 6, 4), /* 112 */ + /* 0001 */ V(6, 4, 4), + /* 0010 */ V(5, 5, 4), + /* 0011 */ V(7, 1, 4), + /* 0100 */ V(3, 6, 4), + /* 0101 */ V(6, 3, 4), + /* 0110 */ V(4, 5, 4), + /* 0111 */ V(5, 4, 4), + /* 1000 */ V(2, 6, 4), + /* 1001 */ V(6, 2, 4), + /* 1010 */ V(1, 6, 4), + /* 1011 */ V(6, 1, 4), + /* 1100 */ PTR(382, 1), + /* 1101 */ V(3, 5, 4), + /* 1110 */ V(5, 3, 4), + /* 1111 */ V(4, 4, 4), + + /* 1000 ... */ + /* 0000 */ V(2, 5, 4), /* 128 */ + /* 0001 */ V(5, 2, 4), + /* 0010 */ V(1, 5, 4), + /* 0011 */ PTR(384, 1), + /* 0100 */ V(5, 1, 3), + /* 0101 */ V(5, 1, 3), + /* 0110 */ V(3, 4, 4), + /* 0111 */ V(4, 3, 4), + /* 1000 */ V(2, 4, 3), + /* 1001 */ V(2, 4, 3), + /* 1010 */ V(4, 2, 3), + /* 1011 */ V(4, 2, 3), + /* 1100 */ V(3, 3, 3), + /* 1101 */ V(3, 3, 3), + /* 1110 */ V(1, 4, 3), + /* 1111 */ V(1, 4, 3), + + /* 1001 ... */ + /* 0000 */ V(4, 1, 3), /* 144 */ + /* 0001 */ V(4, 1, 3), + /* 0010 */ V(0, 4, 4), + /* 0011 */ V(4, 0, 4), + /* 0100 */ V(2, 3, 3), + /* 0101 */ V(2, 3, 3), + /* 0110 */ V(3, 2, 3), + /* 0111 */ V(3, 2, 3), + /* 1000 */ V(1, 3, 2), + /* 1001 */ V(1, 3, 2), + /* 1010 */ V(1, 3, 2), + /* 1011 */ V(1, 3, 2), + /* 1100 */ V(3, 1, 2), + /* 1101 */ V(3, 1, 2), + /* 1110 */ V(3, 1, 2), + /* 1111 */ V(3, 1, 2), + + /* 1010 ... */ + /* 000 */ V(0, 3, 3), /* 160 */ + /* 001 */ V(3, 0, 3), + /* 010 */ V(2, 2, 2), + /* 011 */ V(2, 2, 2), + /* 100 */ V(1, 2, 1), + /* 101 */ V(1, 2, 1), + /* 110 */ V(1, 2, 1), + /* 111 */ V(1, 2, 1), + + /* 1011 ... */ + /* 00 */ V(2, 1, 1), /* 168 */ + /* 01 */ V(2, 1, 1), + /* 10 */ V(0, 2, 2), + /* 11 */ V(2, 0, 2), + + /* 0010 1100 ... */ + /* 000 */ V(0, 15, 1), /* 172 */ + /* 001 */ V(0, 15, 1), + /* 010 */ V(0, 15, 1), + /* 011 */ V(0, 15, 1), + /* 100 */ V(14, 14, 3), + /* 101 */ V(13, 14, 3), + /* 110 */ V(14, 13, 3), + /* 111 */ V(12, 14, 3), + + /* 0010 1101 ... */ + /* 000 */ V(14, 12, 3), /* 180 */ + /* 001 */ V(13, 13, 3), + /* 010 */ V(11, 14, 3), + /* 011 */ V(14, 11, 3), + /* 100 */ V(12, 13, 3), + /* 101 */ V(13, 12, 3), + /* 110 */ V(10, 14, 3), + /* 111 */ V(14, 10, 3), + + /* 0010 1110 ... */ + /* 000 */ V(11, 13, 3), /* 188 */ + /* 001 */ V(13, 11, 3), + /* 010 */ V(12, 12, 3), + /* 011 */ V(9, 14, 3), + /* 100 */ V(14, 9, 3), + /* 101 */ V(10, 13, 3), + /* 110 */ V(13, 10, 3), + /* 111 */ V(11, 12, 3), + + /* 0010 1111 ... */ + /* 000 */ V(12, 11, 3), /* 196 */ + /* 001 */ V(8, 14, 3), + /* 010 */ V(14, 8, 3), + /* 011 */ V(9, 13, 3), + /* 100 */ V(13, 9, 3), + /* 101 */ V(7, 14, 3), + /* 110 */ V(14, 7, 3), + /* 111 */ V(10, 12, 3), + + /* 0100 0000 ... */ + /* 0000 */ V(12, 10, 3), /* 204 */ + /* 0001 */ V(12, 10, 3), + /* 0010 */ V(11, 11, 3), + /* 0011 */ V(11, 11, 3), + /* 0100 */ V(8, 13, 3), + /* 0101 */ V(8, 13, 3), + /* 0110 */ V(13, 8, 3), + /* 0111 */ V(13, 8, 3), + /* 1000 */ V(0, 14, 4), + /* 1001 */ V(14, 0, 4), + /* 1010 */ V(0, 13, 3), + /* 1011 */ V(0, 13, 3), + /* 1100 */ V(14, 6, 2), + /* 1101 */ V(14, 6, 2), + /* 1110 */ V(14, 6, 2), + /* 1111 */ V(14, 6, 2), + + /* 0100 0001 ... */ + /* 000 */ V(6, 14, 3), /* 220 */ + /* 001 */ V(9, 12, 3), + /* 010 */ V(12, 9, 2), + /* 011 */ V(12, 9, 2), + /* 100 */ V(5, 14, 2), + /* 101 */ V(5, 14, 2), + /* 110 */ V(11, 10, 2), + /* 111 */ V(11, 10, 2), + + /* 0100 0010 ... */ + /* 000 */ V(14, 5, 2), /* 228 */ + /* 001 */ V(14, 5, 2), + /* 010 */ V(10, 11, 3), + /* 011 */ V(7, 13, 3), + /* 100 */ V(13, 7, 2), + /* 101 */ V(13, 7, 2), + /* 110 */ V(14, 4, 2), + /* 111 */ V(14, 4, 2), + + /* 0100 0011 ... */ + /* 000 */ V(8, 12, 2), /* 236 */ + /* 001 */ V(8, 12, 2), + /* 010 */ V(12, 8, 2), + /* 011 */ V(12, 8, 2), + /* 100 */ V(4, 14, 3), + /* 101 */ V(2, 14, 3), + /* 110 */ V(3, 14, 2), + /* 111 */ V(3, 14, 2), + + /* 0100 0100 ... */ + /* 00 */ V(6, 13, 2), /* 244 */ + /* 01 */ V(13, 6, 2), + /* 10 */ V(14, 3, 2), + /* 11 */ V(9, 11, 2), + + /* 0100 0101 ... */ + /* 00 */ V(11, 9, 2), /* 248 */ + /* 01 */ V(10, 10, 2), + /* 10 */ V(14, 2, 2), + /* 11 */ V(1, 14, 2), + + /* 0100 0110 ... */ + /* 00 */ V(14, 1, 2), /* 252 */ + /* 01 */ V(5, 13, 2), + /* 10 */ V(13, 5, 2), + /* 11 */ V(7, 12, 2), + + /* 0100 0111 ... */ + /* 00 */ V(12, 7, 2), /* 256 */ + /* 01 */ V(4, 13, 2), + /* 10 */ V(8, 11, 2), + /* 11 */ V(11, 8, 2), + + /* 0100 1000 ... */ + /* 00 */ V(13, 4, 2), /* 260 */ + /* 01 */ V(9, 10, 2), + /* 10 */ V(10, 9, 2), + /* 11 */ V(6, 12, 2), + + /* 0100 1001 ... */ + /* 00 */ V(12, 6, 2), /* 264 */ + /* 01 */ V(3, 13, 2), + /* 10 */ V(13, 3, 2), + /* 11 */ V(2, 13, 2), + + /* 0100 1010 ... */ + /* 00 */ V(13, 2, 2), /* 268 */ + /* 01 */ V(1, 13, 2), + /* 10 */ V(7, 11, 2), + /* 11 */ V(11, 7, 2), + + /* 0100 1011 ... */ + /* 00 */ V(13, 1, 2), /* 272 */ + /* 01 */ V(5, 12, 2), + /* 10 */ V(12, 5, 2), + /* 11 */ V(8, 10, 2), + + /* 0100 1100 ... */ + /* 00 */ V(10, 8, 2), /* 276 */ + /* 01 */ V(9, 9, 2), + /* 10 */ V(4, 12, 2), + /* 11 */ V(12, 4, 2), + + /* 0100 1101 ... */ + /* 000 */ V(6, 11, 2), /* 280 */ + /* 001 */ V(6, 11, 2), + /* 010 */ V(11, 6, 2), + /* 011 */ V(11, 6, 2), + /* 100 */ V(13, 0, 3), + /* 101 */ V(0, 12, 3), + /* 110 */ V(3, 12, 2), + /* 111 */ V(3, 12, 2), + + /* 0100 1110 ... */ + /* 00 */ V(12, 3, 2), /* 288 */ + /* 01 */ V(7, 10, 2), + /* 10 */ V(10, 7, 2), + /* 11 */ V(2, 12, 2), + + /* 0100 1111 ... */ + /* 00 */ V(12, 2, 2), /* 292 */ + /* 01 */ V(5, 11, 2), + /* 10 */ V(11, 5, 2), + /* 11 */ V(1, 12, 2), + + /* 0101 0000 ... */ + /* 00 */ V(8, 9, 2), /* 296 */ + /* 01 */ V(9, 8, 2), + /* 10 */ V(12, 1, 2), + /* 11 */ V(4, 11, 2), + + /* 0101 0001 ... */ + /* 000 */ V(12, 0, 3), /* 300 */ + /* 001 */ V(0, 11, 3), + /* 010 */ V(3, 11, 2), + /* 011 */ V(3, 11, 2), + /* 100 */ V(11, 0, 3), + /* 101 */ V(0, 10, 3), + /* 110 */ V(1, 10, 2), + /* 111 */ V(1, 10, 2), + + /* 0101 0010 ... */ + /* 00 */ V(11, 4, 1), /* 308 */ + /* 01 */ V(11, 4, 1), + /* 10 */ V(6, 10, 2), + /* 11 */ V(10, 6, 2), + + /* 0101 0011 ... */ + /* 000 */ V(7, 9, 2), /* 312 */ + /* 001 */ V(7, 9, 2), + /* 010 */ V(9, 7, 2), + /* 011 */ V(9, 7, 2), + /* 100 */ V(10, 0, 3), + /* 101 */ V(0, 9, 3), + /* 110 */ V(9, 0, 2), + /* 111 */ V(9, 0, 2), + + /* 0101 0100 ... */ + /* 0 */ V(11, 3, 1), /* 320 */ + /* 1 */ V(8, 8, 1), + + /* 0101 0101 ... */ + /* 00 */ V(2, 11, 2), /* 322 */ + /* 01 */ V(5, 10, 2), + /* 10 */ V(11, 2, 1), + /* 11 */ V(11, 2, 1), + + /* 0101 0110 ... */ + /* 00 */ V(10, 5, 2), /* 326 */ + /* 01 */ V(1, 11, 2), + /* 10 */ V(11, 1, 2), + /* 11 */ V(6, 9, 2), + + /* 0101 0111 ... */ + /* 0 */ V(9, 6, 1), /* 330 */ + /* 1 */ V(10, 4, 1), + + /* 0101 1000 ... */ + /* 00 */ V(4, 10, 2), /* 332 */ + /* 01 */ V(7, 8, 2), + /* 10 */ V(8, 7, 1), + /* 11 */ V(8, 7, 1), + + /* 0101 1001 ... */ + /* 0 */ V(3, 10, 1), /* 336 */ + /* 1 */ V(10, 3, 1), + + /* 0101 1010 ... */ + /* 0 */ V(5, 9, 1), /* 338 */ + /* 1 */ V(9, 5, 1), + + /* 0101 1011 ... */ + /* 0 */ V(2, 10, 1), /* 340 */ + /* 1 */ V(10, 2, 1), + + /* 0101 1100 ... */ + /* 0 */ V(10, 1, 1), /* 342 */ + /* 1 */ V(6, 8, 1), + + /* 0101 1101 ... */ + /* 0 */ V(8, 6, 1), /* 344 */ + /* 1 */ V(7, 7, 1), + + /* 0101 1110 ... */ + /* 0 */ V(4, 9, 1), /* 346 */ + /* 1 */ V(9, 4, 1), + + /* 0101 1111 ... */ + /* 0 */ V(3, 9, 1), /* 348 */ + /* 1 */ V(9, 3, 1), + + /* 0110 0000 ... */ + /* 0 */ V(5, 8, 1), /* 350 */ + /* 1 */ V(8, 5, 1), + + /* 0110 0001 ... */ + /* 0 */ V(2, 9, 1), /* 352 */ + /* 1 */ V(6, 7, 1), + + /* 0110 0010 ... */ + /* 0 */ V(7, 6, 1), /* 354 */ + /* 1 */ V(9, 2, 1), + + /* 0110 0011 ... */ + /* 0 */ V(1, 9, 1), /* 356 */ + /* 1 */ V(9, 1, 1), + + /* 0110 0100 ... */ + /* 0 */ V(4, 8, 1), /* 358 */ + /* 1 */ V(8, 4, 1), + + /* 0110 0101 ... */ + /* 0 */ V(5, 7, 1), /* 360 */ + /* 1 */ V(7, 5, 1), + + /* 0110 0110 ... */ + /* 0 */ V(3, 8, 1), /* 362 */ + /* 1 */ V(8, 3, 1), + + /* 0110 0111 ... */ + /* 0 */ V(6, 6, 1), /* 364 */ + /* 1 */ V(2, 8, 1), + + /* 0110 1000 ... */ + /* 0 */ V(8, 2, 1), /* 366 */ + /* 1 */ V(1, 8, 1), + + /* 0110 1001 ... */ + /* 0 */ V(4, 7, 1), /* 368 */ + /* 1 */ V(7, 4, 1), + + /* 0110 1010 ... */ + /* 00 */ V(8, 1, 1), /* 370 */ + /* 01 */ V(8, 1, 1), + /* 10 */ V(0, 8, 2), + /* 11 */ V(8, 0, 2), + + /* 0110 1011 ... */ + /* 0 */ V(5, 6, 1), /* 374 */ + /* 1 */ V(6, 5, 1), + + /* 0110 1100 ... */ + /* 00 */ V(1, 7, 1), /* 376 */ + /* 01 */ V(1, 7, 1), + /* 10 */ V(0, 7, 2), + /* 11 */ V(7, 0, 2), + + /* 0110 1110 ... */ + /* 0 */ V(3, 7, 1), /* 380 */ + /* 1 */ V(2, 7, 1), + + /* 0111 1100 ... */ + /* 0 */ V(0, 6, 1), /* 382 */ + /* 1 */ V(6, 0, 1), + + /* 1000 0011 ... */ + /* 0 */ V(0, 5, 1), /* 384 */ + /* 1 */ V(5, 0, 1) +}; + +# undef V +# undef PTR + +/* external tables */ + +union huffquad const *const mad_huff_quad_table[2] = { hufftabA, hufftabB }; + +struct hufftable const mad_huff_pair_table[32] = { + /* 0 */ { hufftab0, 0, 0 }, + /* 1 */ { hufftab1, 0, 3 }, + /* 2 */ { hufftab2, 0, 3 }, + /* 3 */ { hufftab3, 0, 3 }, + /* 4 */ { 0 /* not used */ }, + /* 5 */ { hufftab5, 0, 3 }, + /* 6 */ { hufftab6, 0, 4 }, + /* 7 */ { hufftab7, 0, 4 }, + /* 8 */ { hufftab8, 0, 4 }, + /* 9 */ { hufftab9, 0, 4 }, + /* 10 */ { hufftab10, 0, 4 }, + /* 11 */ { hufftab11, 0, 4 }, + /* 12 */ { hufftab12, 0, 4 }, + /* 13 */ { hufftab13, 0, 4 }, + /* 14 */ { 0 /* not used */ }, + /* 15 */ { hufftab15, 0, 4 }, + /* 16 */ { hufftab16, 1, 4 }, + /* 17 */ { hufftab16, 2, 4 }, + /* 18 */ { hufftab16, 3, 4 }, + /* 19 */ { hufftab16, 4, 4 }, + /* 20 */ { hufftab16, 6, 4 }, + /* 21 */ { hufftab16, 8, 4 }, + /* 22 */ { hufftab16, 10, 4 }, + /* 23 */ { hufftab16, 13, 4 }, + /* 24 */ { hufftab24, 4, 4 }, + /* 25 */ { hufftab24, 5, 4 }, + /* 26 */ { hufftab24, 6, 4 }, + /* 27 */ { hufftab24, 7, 4 }, + /* 28 */ { hufftab24, 8, 4 }, + /* 29 */ { hufftab24, 9, 4 }, + /* 30 */ { hufftab24, 11, 4 }, + /* 31 */ { hufftab24, 13, 4 } +}; diff --git a/audio_codec/libmad/huffman.h b/audio_codec/libmad/huffman.h new file mode 100644 index 0000000..8eb604d --- a/dev/null +++ b/audio_codec/libmad/huffman.h @@ -0,0 +1,66 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: huffman.h,v 1.11 2004/01/23 09:41:32 rob Exp $ + */ + +# ifndef LIBMAD_HUFFMAN_H +# define LIBMAD_HUFFMAN_H + +union huffquad { + struct { + unsigned short final : 1; + unsigned short bits : 3; + unsigned short offset : 12; + } ptr; + struct { + unsigned short final : 1; + unsigned short hlen : 3; + unsigned short v : 1; + unsigned short w : 1; + unsigned short x : 1; + unsigned short y : 1; + } value; + unsigned short final : 1; +}; + +union huffpair { + struct { + unsigned short final : 1; + unsigned short bits : 3; + unsigned short offset : 12; + } ptr; + struct { + unsigned short final : 1; + unsigned short hlen : 3; + unsigned short x : 4; + unsigned short y : 4; + } value; + unsigned short final : 1; +}; + +struct hufftable { + union huffpair const *table; + unsigned short linbits; + unsigned short startbits; +}; + +extern union huffquad const *const mad_huff_quad_table[2]; +extern struct hufftable const mad_huff_pair_table[32]; + +# endif diff --git a/audio_codec/libmad/imdct_l_arm.S b/audio_codec/libmad/imdct_l_arm.S new file mode 100755 index 0000000..badec5b --- a/dev/null +++ b/audio_codec/libmad/imdct_l_arm.S @@ -0,0 +1,1000 @@ +/***************************************************************************** +* Copyright (C) 2000-2001 Andre McCurdy +* +* This program is free software. you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation@ either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY, without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program@ if not, write to the Free Software +* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +* +***************************************************************************** +* +* Notes: +* +* +***************************************************************************** +* +* $Id: imdct_l_arm.S,v 1.7 2001/03/25 20:03:34 rob Rel $ +* +* 2001/03/24: Andre McCurdy +* - Corrected PIC unsafe loading of address of 'imdct36_long_karray' +* +* 2000/09/20: Robert Leslie +* - Added a global symbol with leading underscore per suggestion of +* Simon Burge to support linking with the a.out format. +* +* 2000/09/15: Robert Leslie +* - Fixed a small bug where flags were changed before a conditional branch. +* +* 2000/09/15: Andre McCurdy +* - Applied Nicolas Pitre's rounding optimisation in all remaining places. +* +* 2000/09/09: Nicolas Pitre +* - Optimized rounding + scaling operations. +* +* 2000/08/09: Andre McCurdy +* - Original created. +* +****************************************************************************/ + + +/* + On entry: + + r0 = pointer to 18 element input array + r1 = pointer to 36 element output array + r2 = windowing block type + + + Stack frame created during execution of the function: + + Initial Holds: + Stack + pointer + minus: + + 0 + 4 lr + 8 r11 + 12 r10 + 16 r9 + 20 r8 + 24 r7 + 28 r6 + 32 r5 + 36 r4 + + 40 r2 : windowing block type + + 44 ct00 high + 48 ct00 low + 52 ct01 high + 56 ct01 low + 60 ct04 high + 64 ct04 low + 68 ct06 high + 72 ct06 low + 76 ct05 high + 80 ct05 low + 84 ct03 high + 88 ct03 low + 92 -ct05 high + 96 -ct05 low + 100 -ct07 high + 104 -ct07 low + 108 ct07 high + 112 ct07 low + 116 ct02 high + 120 ct02 low +*/ + +#define BLOCK_MODE_NORMAL 0 +#define BLOCK_MODE_START 1 +#define BLOCK_MODE_STOP 3 + + +#define X0 0x00 +#define X1 0x04 +#define X2 0x08 +#define X3 0x0C +#define X4 0x10 +#define X5 0x14 +#define X6 0x18 +#define X7 0x1c +#define X8 0x20 +#define X9 0x24 +#define X10 0x28 +#define X11 0x2c +#define X12 0x30 +#define X13 0x34 +#define X14 0x38 +#define X15 0x3c +#define X16 0x40 +#define X17 0x44 + +#define x0 0x00 +#define x1 0x04 +#define x2 0x08 +#define x3 0x0C +#define x4 0x10 +#define x5 0x14 +#define x6 0x18 +#define x7 0x1c +#define x8 0x20 +#define x9 0x24 +#define x10 0x28 +#define x11 0x2c +#define x12 0x30 +#define x13 0x34 +#define x14 0x38 +#define x15 0x3c +#define x16 0x40 +#define x17 0x44 +#define x18 0x48 +#define x19 0x4c +#define x20 0x50 +#define x21 0x54 +#define x22 0x58 +#define x23 0x5c +#define x24 0x60 +#define x25 0x64 +#define x26 0x68 +#define x27 0x6c +#define x28 0x70 +#define x29 0x74 +#define x30 0x78 +#define x31 0x7c +#define x32 0x80 +#define x33 0x84 +#define x34 0x88 +#define x35 0x8c + +#define K00 0x0ffc19fd +#define K01 0x00b2aa3e +#define K02 0x0fdcf549 +#define K03 0x0216a2a2 +#define K04 0x0f9ee890 +#define K05 0x03768962 +#define K06 0x0f426cb5 +#define K07 0x04cfb0e2 +#define K08 0x0ec835e8 +#define K09 0x061f78aa +#define K10 0x0e313245 +#define K11 0x07635284 +#define K12 0x0d7e8807 +#define K13 0x0898c779 +#define K14 0x0cb19346 +#define K15 0x09bd7ca0 +#define K16 0x0bcbe352 +#define K17 0x0acf37ad + +#define minus_K02 0xf0230ab7 + +#define WL0 0x00b2aa3e +#define WL1 0x0216a2a2 +#define WL2 0x03768962 +#define WL3 0x04cfb0e2 +#define WL4 0x061f78aa +#define WL5 0x07635284 +#define WL6 0x0898c779 +#define WL7 0x09bd7ca0 +#define WL8 0x0acf37ad +#define WL9 0x0bcbe352 +#define WL10 0x0cb19346 +#define WL11 0x0d7e8807 +#define WL12 0x0e313245 +#define WL13 0x0ec835e8 +#define WL14 0x0f426cb5 +#define WL15 0x0f9ee890 +#define WL16 0x0fdcf549 +#define WL17 0x0ffc19fd + + +@***************************************************************************** + + + .text + .align + + .global III_imdct_l + .global _III_imdct_l + +III_imdct_l: +_III_imdct_l: + + stmdb sp!, { r2, r4 - r11, lr } @ all callee saved regs, plus arg3 + + ldr r4, =K08 @ r4 = K08 + ldr r5, =K09 @ r5 = K09 + ldr r8, [r0, #X4] @ r8 = X4 + ldr r9, [r0, #X13] @ r9 = X13 + rsb r6, r4, #0 @ r6 = -K08 + rsb r7, r5, #0 @ r7 = -K09 + + smull r2, r3, r4, r8 @ r2..r3 = (X4 * K08) + smlal r2, r3, r5, r9 @ r2..r3 = (X4 * K08) + (X13 * K09) = ct01 + + smull r10, lr, r8, r5 @ r10..lr = (X4 * K09) + smlal r10, lr, r9, r6 @ r10..lr = (X4 * K09) + (X13 * -K08) = ct00 + + ldr r8, [r0, #X7] @ r8 = X7 + ldr r9, [r0, #X16] @ r9 = X16 + + stmdb sp!, { r2, r3, r10, lr } @ stack ct00_h, ct00_l, ct01_h, ct01_l + + add r8, r8, r9 @ r8 = (X7 + X16) + ldr r9, [r0, #X1] @ r9 = X1 + + smlal r2, r3, r6, r8 @ r2..r3 = ct01 + ((X7 + X16) * -K08) + smlal r2, r3, r7, r9 @ r2..r3 += (X1 * -K09) + + ldr r7, [r0, #X10] @ r7 = X10 + + rsbs r10, r10, #0 + rsc lr, lr, #0 @ r10..lr = -ct00 + + smlal r2, r3, r5, r7 @ r2..r3 += (X10 * K09) = ct06 + + smlal r10, lr, r9, r6 @ r10..lr = -ct00 + ( X1 * -K08) + smlal r10, lr, r8, r5 @ r10..lr += ((X7 + X16) * K09) + smlal r10, lr, r7, r4 @ r10..lr += ( X10 * K08) = ct04 + + stmdb sp!, { r2, r3, r10, lr } @ stack ct04_h, ct04_l, ct06_h, ct06_l + + @---- + + ldr r7, [r0, #X0] + ldr r8, [r0, #X11] + ldr r9, [r0, #X12] + sub r7, r7, r8 + sub r7, r7, r9 @ r7 = (X0 - X11 -X12) = ct14 + + ldr r9, [r0, #X3] + ldr r8, [r0, #X8] + ldr r11, [r0, #X15] + sub r8, r8, r9 + add r8, r8, r11 @ r8 = (X8 - X3 + X15) = ct16 + + add r11, r7, r8 @ r11 = ct14 + ct16 = ct18 + + smlal r2, r3, r6, r11 @ r2..r3 = ct06 + ((X0 - X11 - X3 + X15 + X8 - X12) * -K08) + + ldr r6, [r0, #X2] + ldr r9, [r0, #X9] + ldr r12, [r0, #X14] + sub r6, r6, r9 + sub r6, r6, r12 @ r6 = (X2 - X9 - X14) = ct15 + + ldr r9, [r0, #X5] + ldr r12, [r0, #X6] + sub r9, r9, r12 + ldr r12, [r0, #X17] + sub r9, r9, r12 @ r9 = (X5 - X6 - X17) = ct17 + + add r12, r9, r6 @ r12 = ct15 + ct17 = ct19 + + smlal r2, r3, r5, r12 @ r2..r3 += ((X2 - X9 + X5 - X6 - X17 - X14) * K09) + + smlal r10, lr, r11, r5 @ r10..lr = ct04 + (ct18 * K09) + smlal r10, lr, r12, r4 @ r10..lr = ct04 + (ct18 * K09) + (ct19 * K08) + + movs r2, r2, lsr #28 + adc r2, r2, r3, lsl #4 @ r2 = bits[59..28] of r2..r3 + str r2, [r1, #x22] @ store result x22 + + movs r10, r10, lsr #28 + adc r10, r10, lr, lsl #4 @ r10 = bits[59..28] of r10..lr + str r10, [r1, #x4] @ store result x4 + + @---- + + ldmia sp, { r2, r3, r4, r5 } @ r2..r3 = ct06, r4..r5 = ct04 (dont update sp) + + @ r2..r3 = ct06 + @ r4..r5 = ct04 + @ r6 = ct15 + @ r7 = ct14 + @ r8 = ct16 + @ r9 = ct17 + @ r10 = . + @ r11 = . + @ r12 = . + @ lr = . + + ldr r10, =K03 @ r10 = K03 + ldr lr, =K15 @ lr = K15 + + smlal r2, r3, r10, r7 @ r2..r3 = ct06 + (ct14 * K03) + smlal r4, r5, lr, r7 @ r4..r5 = ct04 + (ct14 * K15) + + ldr r12, =K14 @ r12 = K14 + rsb r10, r10, #0 @ r10 = -K03 + + smlal r2, r3, lr, r6 @ r2..r3 += (ct15 * K15) + smlal r4, r5, r10, r6 @ r4..r5 += (ct15 * -K03) + smlal r2, r3, r12, r8 @ r2..r3 += (ct16 * K14) + + ldr r11, =minus_K02 @ r11 = -K02 + rsb r12, r12, #0 @ r12 = -K14 + + smlal r4, r5, r12, r9 @ r4..r5 += (ct17 * -K14) + smlal r2, r3, r11, r9 @ r2..r3 += (ct17 * -K02) + smlal r4, r5, r11, r8 @ r4..r5 += (ct16 * -K02) + + movs r2, r2, lsr #28 + adc r2, r2, r3, lsl #4 @ r2 = bits[59..28] of r2..r3 + str r2, [r1, #x7] @ store result x7 + + movs r4, r4, lsr #28 + adc r4, r4, r5, lsl #4 @ r4 = bits[59..28] of r4..r5 + str r4, [r1, #x1] @ store result x1 + + @---- + + ldmia sp, { r2, r3, r4, r5 } @ r2..r3 = ct06, r4..r5 = ct04 (dont update sp) + + @ r2..r3 = ct06 + @ r4..r5 = ct04 + @ r6 = ct15 + @ r7 = ct14 + @ r8 = ct16 + @ r9 = ct17 + @ r10 = -K03 + @ r11 = -K02 + @ r12 = -K14 + @ lr = K15 + + rsbs r2, r2, #0 + rsc r3, r3, #0 @ r2..r3 = -ct06 + + smlal r2, r3, r12, r7 @ r2..r3 = -ct06 + (ct14 * -K14) + smlal r2, r3, r10, r8 @ r2..r3 += (ct16 * -K03) + + smlal r4, r5, r12, r6 @ r4..r5 = ct04 + (ct15 * -K14) + smlal r4, r5, r10, r9 @ r4..r5 += (ct17 * -K03) + smlal r4, r5, lr, r8 @ r4..r5 += (ct16 * K15) + smlal r4, r5, r11, r7 @ r4..r5 += (ct14 * -K02) + + rsb lr, lr, #0 @ lr = -K15 + rsb r11, r11, #0 @ r11 = K02 + + smlal r2, r3, lr, r9 @ r2..r3 += (ct17 * -K15) + smlal r2, r3, r11, r6 @ r2..r3 += (ct15 * K02) + + movs r4, r4, lsr #28 + adc r4, r4, r5, lsl #4 @ r4 = bits[59..28] of r4..r5 + str r4, [r1, #x25] @ store result x25 + + movs r2, r2, lsr #28 + adc r2, r2, r3, lsl #4 @ r2 = bits[59..28] of r2..r3 + str r2, [r1, #x19] @ store result x19 + + @---- + + ldr r2, [sp, #16] @ r2 = ct01_l + ldr r3, [sp, #20] @ r3 = ct01_h + + ldr r6, [r0, #X1] + ldr r8, [r0, #X7] + ldr r9, [r0, #X10] + ldr r7, [r0, #X16] + + rsbs r2, r2, #0 + rsc r3, r3, #0 @ r2..r3 = -ct01 + + mov r4, r2 + mov r5, r3 @ r4..r5 = -ct01 + + @ r2..r3 = -ct01 + @ r4..r5 = -ct01 + @ r6 = X1 + @ r7 = X16 + @ r8 = X7 + @ r9 = X10 + @ r10 = -K03 + @ r11 = K02 + @ r12 = -K14 + @ lr = -K15 + + smlal r4, r5, r12, r7 @ r4..r5 = -ct01 + (X16 * -K14) + smlal r2, r3, lr, r9 @ r2..r3 = -ct01 + (X10 * -K15) + + smlal r4, r5, r10, r8 @ r4..r5 += (X7 * -K03) + smlal r2, r3, r10, r7 @ r2..r3 += (X16 * -K03) + + smlal r4, r5, r11, r9 @ r4..r5 += (X10 * K02) + smlal r2, r3, r12, r8 @ r2..r3 += (X7 * -K14) + + rsb lr, lr, #0 @ lr = K15 + rsb r11, r11, #0 @ r11 = -K02 + + smlal r4, r5, lr, r6 @ r4..r5 += (X1 * K15) = ct05 + smlal r2, r3, r11, r6 @ r2..r3 += (X1 * -K02) = ct03 + + stmdb sp!, { r2, r3, r4, r5 } @ stack ct05_h, ct05_l, ct03_h, ct03_l + + rsbs r4, r4, #0 + rsc r5, r5, #0 @ r4..r5 = -ct05 + + stmdb sp!, { r4, r5 } @ stack -ct05_h, -ct05_l + + ldr r2, [sp, #48] @ r2 = ct00_l + ldr r3, [sp, #52] @ r3 = ct00_h + + rsb r10, r10, #0 @ r10 = K03 + + rsbs r4, r2, #0 + rsc r5, r3, #0 @ r4..r5 = -ct00 + + @ r2..r3 = ct00 + @ r4..r5 = -ct00 + @ r6 = X1 + @ r7 = X16 + @ r8 = X7 + @ r9 = X10 + @ r10 = K03 + @ r11 = -K02 + @ r12 = -K14 + @ lr = K15 + + smlal r4, r5, r10, r6 @ r4..r5 = -ct00 + (X1 * K03) + smlal r2, r3, r10, r9 @ r2..r3 = ct00 + (X10 * K03) + + smlal r4, r5, r12, r9 @ r4..r5 += (X10 * -K14) + smlal r2, r3, r12, r6 @ r2..r3 += (X1 * -K14) + + smlal r4, r5, r11, r7 @ r4..r5 += (X16 * -K02) + smlal r4, r5, lr, r8 @ r4..r5 += (X7 * K15) = ct07 + + rsb lr, lr, #0 @ lr = -K15 + rsb r11, r11, #0 @ r11 = K02 + + smlal r2, r3, r11, r8 @ r2..r3 += (X7 * K02) + smlal r2, r3, lr, r7 @ r2..r3 += (X16 * -K15) = ct02 + + rsbs r6, r4, #0 + rsc r7, r5, #0 @ r6..r7 = -ct07 + + stmdb sp!, { r2 - r7 } @ stack -ct07_h, -ct07_l, ct07_h, ct07_l, ct02_h, ct02_l + + + @---- + + add r2, pc, #(imdct36_long_karray-.-8) @ r2 = base address of Knn array (PIC safe ?) + + +loop: + ldr r12, [r0, #X0] + + ldmia r2!, { r5 - r11 } @ first 7 words from Karray element + + smull r3, r4, r5, r12 @ sum = (Kxx * X0) + ldr r12, [r0, #X2] + ldr r5, [r0, #X3] + smlal r3, r4, r6, r12 @ sum += (Kxx * X2) + ldr r12, [r0, #X5] + ldr r6, [r0, #X6] + smlal r3, r4, r7, r5 @ sum += (Kxx * X3) + smlal r3, r4, r8, r12 @ sum += (Kxx * X5) + ldr r12, [r0, #X8] + ldr r5, [r0, #X9] + smlal r3, r4, r9, r6 @ sum += (Kxx * X6) + smlal r3, r4, r10, r12 @ sum += (Kxx * X8) + smlal r3, r4, r11, r5 @ sum += (Kxx * X9) + + ldmia r2!, { r5 - r10 } @ final 6 words from Karray element + + ldr r11, [r0, #X11] + ldr r12, [r0, #X12] + smlal r3, r4, r5, r11 @ sum += (Kxx * X11) + ldr r11, [r0, #X14] + ldr r5, [r0, #X15] + smlal r3, r4, r6, r12 @ sum += (Kxx * X12) + smlal r3, r4, r7, r11 @ sum += (Kxx * X14) + ldr r11, [r0, #X17] + smlal r3, r4, r8, r5 @ sum += (Kxx * X15) + smlal r3, r4, r9, r11 @ sum += (Kxx * X17) + + add r5, sp, r10, lsr #16 @ create index back into stack for required ctxx + + ldmia r5, { r6, r7 } @ r6..r7 = ctxx + + mov r8, r10, lsl #16 @ push ctxx index off the top end + + adds r3, r3, r6 @ add low words + adc r4, r4, r7 @ add high words, with carry + movs r3, r3, lsr #28 + adc r3, r3, r4, lsl #4 @ r3 = bits[59..28] of r3..r4 + + str r3, [r1, r8, lsr #24] @ push completion flag off the bottom end + + movs r8, r8, lsl #8 @ push result location index off the top end + beq loop @ loop back if completion flag not set + b imdct_l_windowing @ branch to windowing stage if looping finished + +imdct36_long_karray: + + .word K17, -K13, K10, -K06, -K05, K01, -K00, K04, -K07, K11, K12, -K16, 0x00000000 + .word K13, K07, K16, K01, K10, -K05, K04, -K11, K00, -K17, K06, -K12, 0x00200800 + .word K11, K17, K05, K12, -K01, K06, -K07, K00, -K13, K04, -K16, K10, 0x00200c00 + .word K07, K00, -K12, K05, -K16, -K10, K11, -K17, K04, K13, K01, K06, 0x00001400 + .word K05, K10, -K00, -K17, K07, -K13, K12, K06, -K16, K01, -K11, -K04, 0x00181800 + .word K01, K05, -K07, -K11, K13, K17, -K16, -K12, K10, K06, -K04, -K00, 0x00102000 + .word -K16, K12, -K11, K07, K04, -K00, -K01, K05, -K06, K10, K13, -K17, 0x00284800 + .word -K12, K06, K17, -K00, -K11, K04, K05, -K10, K01, K16, -K07, -K13, 0x00085000 + .word -K10, K16, K04, -K13, -K00, K07, K06, -K01, -K12, -K05, K17, K11, 0x00105400 + .word -K06, -K01, K13, K04, K17, -K11, -K10, -K16, -K05, K12, K00, K07, 0x00185c00 + .word -K04, -K11, -K01, K16, K06, K12, K13, -K07, -K17, -K00, -K10, -K05, 0x00006000 + .word -K00, -K04, -K06, -K10, -K12, -K16, -K17, -K13, -K11, -K07, -K05, -K01, 0x00206801 + + + @---- + @------------------------------------------------------------------------- + @---- + +imdct_l_windowing: + + ldr r11, [sp, #80] @ fetch function parameter 3 from out of the stack + ldmia r1!, { r0, r2 - r9 } @ load 9 words from x0, update pointer + + @ r0 = x0 + @ r1 = &x[9] + @ r2 = x1 + @ r3 = x2 + @ r4 = x3 + @ r5 = x4 + @ r6 = x5 + @ r7 = x6 + @ r8 = x7 + @ r9 = x8 + @ r10 = . + @ r11 = window mode: (0 == normal), (1 == start block), (3 == stop block) + @ r12 = . + @ lr = . + + cmp r11, #BLOCK_MODE_STOP @ setup flags + rsb r10, r0, #0 @ r10 = -x0 (DONT change flags !!) + beq stop_block_x0_to_x17 + + + @ start and normal blocks are treated the same for x[0]..x[17] + +normal_block_x0_to_x17: + + ldr r12, =WL9 @ r12 = window_l[9] + + rsb r0, r9, #0 @ r0 = -x8 + rsb r9, r2, #0 @ r9 = -x1 + rsb r2, r8, #0 @ r2 = -x7 + rsb r8, r3, #0 @ r8 = -x2 + rsb r3, r7, #0 @ r3 = -x6 + rsb r7, r4, #0 @ r7 = -x3 + rsb r4, r6, #0 @ r4 = -x5 + rsb r6, r5, #0 @ r6 = -x4 + + @ r0 = -x8 + @ r1 = &x[9] + @ r2 = -x7 + @ r3 = -x6 + @ r4 = -x5 + @ r5 = . + @ r6 = -x4 + @ r7 = -x3 + @ r8 = -x2 + @ r9 = -x1 + @ r10 = -x0 + @ r11 = window mode: (0 == normal), (1 == start block), (3 == stop block) + @ r12 = window_l[9] + @ lr = . + + smull r5, lr, r12, r0 @ r5..lr = (window_l[9] * (x[9] == -x[8])) + ldr r12, =WL10 @ r12 = window_l[10] + movs r5, r5, lsr #28 + adc r0, r5, lr, lsl #4 @ r0 = bits[59..28] of windowed x9 + + smull r5, lr, r12, r2 @ r5..lr = (window_l[10] * (x[10] == -x[7])) + ldr r12, =WL11 @ r12 = window_l[11] + movs r5, r5, lsr #28 + adc r2, r5, lr, lsl #4 @ r2 = bits[59..28] of windowed x10 + + smull r5, lr, r12, r3 @ r5..lr = (window_l[11] * (x[11] == -x[6])) + ldr r12, =WL12 @ r12 = window_l[12] + movs r5, r5, lsr #28 + adc r3, r5, lr, lsl #4 @ r3 = bits[59..28] of windowed x11 + + smull r5, lr, r12, r4 @ r5..lr = (window_l[12] * (x[12] == -x[5])) + ldr r12, =WL13 @ r12 = window_l[13] + movs r5, r5, lsr #28 + adc r4, r5, lr, lsl #4 @ r4 = bits[59..28] of windowed x12 + + smull r5, lr, r12, r6 @ r5..lr = (window_l[13] * (x[13] == -x[4])) + ldr r12, =WL14 @ r12 = window_l[14] + movs r5, r5, lsr #28 + adc r6, r5, lr, lsl #4 @ r6 = bits[59..28] of windowed x13 + + smull r5, lr, r12, r7 @ r5..lr = (window_l[14] * (x[14] == -x[3])) + ldr r12, =WL15 @ r12 = window_l[15] + movs r5, r5, lsr #28 + adc r7, r5, lr, lsl #4 @ r7 = bits[59..28] of windowed x14 + + smull r5, lr, r12, r8 @ r5..lr = (window_l[15] * (x[15] == -x[2])) + ldr r12, =WL16 @ r12 = window_l[16] + movs r5, r5, lsr #28 + adc r8, r5, lr, lsl #4 @ r8 = bits[59..28] of windowed x15 + + smull r5, lr, r12, r9 @ r5..lr = (window_l[16] * (x[16] == -x[1])) + ldr r12, =WL17 @ r12 = window_l[17] + movs r5, r5, lsr #28 + adc r9, r5, lr, lsl #4 @ r9 = bits[59..28] of windowed x16 + + smull r5, lr, r12, r10 @ r5..lr = (window_l[17] * (x[17] == -x[0])) + ldr r12, =WL0 @ r12 = window_l[0] + movs r5, r5, lsr #28 + adc r10, r5, lr, lsl #4 @ r10 = bits[59..28] of windowed x17 + + + stmia r1, { r0, r2 - r4, r6 - r10 } @ store windowed x[9] .. x[17] + ldmdb r1!, { r0, r2 - r9 } @ load 9 words downto (and including) x0 + + + smull r10, lr, r12, r0 @ r10..lr = (window_l[0] * x[0]) + ldr r12, =WL1 @ r12 = window_l[1] + movs r10, r10, lsr #28 + adc r0, r10, lr, lsl #4 @ r0 = bits[59..28] of windowed x0 + + smull r10, lr, r12, r2 @ r10..lr = (window_l[1] * x[1]) + ldr r12, =WL2 @ r12 = window_l[2] + movs r10, r10, lsr #28 + adc r2, r10, lr, lsl #4 @ r2 = bits[59..28] of windowed x1 + + smull r10, lr, r12, r3 @ r10..lr = (window_l[2] * x[2]) + ldr r12, =WL3 @ r12 = window_l[3] + movs r10, r10, lsr #28 + adc r3, r10, lr, lsl #4 @ r3 = bits[59..28] of windowed x2 + + smull r10, lr, r12, r4 @ r10..lr = (window_l[3] * x[3]) + ldr r12, =WL4 @ r12 = window_l[4] + movs r10, r10, lsr #28 + adc r4, r10, lr, lsl #4 @ r4 = bits[59..28] of windowed x3 + + smull r10, lr, r12, r5 @ r10..lr = (window_l[4] * x[4]) + ldr r12, =WL5 @ r12 = window_l[5] + movs r10, r10, lsr #28 + adc r5, r10, lr, lsl #4 @ r5 = bits[59..28] of windowed x4 + + smull r10, lr, r12, r6 @ r10..lr = (window_l[5] * x[5]) + ldr r12, =WL6 @ r12 = window_l[6] + movs r10, r10, lsr #28 + adc r6, r10, lr, lsl #4 @ r6 = bits[59..28] of windowed x5 + + smull r10, lr, r12, r7 @ r10..lr = (window_l[6] * x[6]) + ldr r12, =WL7 @ r12 = window_l[7] + movs r10, r10, lsr #28 + adc r7, r10, lr, lsl #4 @ r7 = bits[59..28] of windowed x6 + + smull r10, lr, r12, r8 @ r10..lr = (window_l[7] * x[7]) + ldr r12, =WL8 @ r12 = window_l[8] + movs r10, r10, lsr #28 + adc r8, r10, lr, lsl #4 @ r8 = bits[59..28] of windowed x7 + + smull r10, lr, r12, r9 @ r10..lr = (window_l[8] * x[8]) + movs r10, r10, lsr #28 + adc r9, r10, lr, lsl #4 @ r9 = bits[59..28] of windowed x8 + + stmia r1, { r0, r2 - r9 } @ store windowed x[0] .. x[8] + + cmp r11, #BLOCK_MODE_START + beq start_block_x18_to_x35 + + + @---- + + +normal_block_x18_to_x35: + + ldr r11, =WL3 @ r11 = window_l[3] + ldr r12, =WL4 @ r12 = window_l[4] + + add r1, r1, #(18*4) @ r1 = &x[18] + + ldmia r1!, { r0, r2 - r4, r6 - r10 } @ load 9 words from x18, update pointer + + @ r0 = x18 + @ r1 = &x[27] + @ r2 = x19 + @ r3 = x20 + @ r4 = x21 + @ r5 = . + @ r6 = x22 + @ r7 = x23 + @ r8 = x24 + @ r9 = x25 + @ r10 = x26 + @ r11 = window_l[3] + @ r12 = window_l[4] + @ lr = . + + smull r5, lr, r12, r6 @ r5..lr = (window_l[4] * (x[22] == x[31])) + movs r5, r5, lsr #28 + adc r5, r5, lr, lsl #4 @ r5 = bits[59..28] of windowed x31 + + smull r6, lr, r11, r4 @ r5..lr = (window_l[3] * (x[21] == x[32])) + ldr r12, =WL5 @ r12 = window_l[5] + movs r6, r6, lsr #28 + adc r6, r6, lr, lsl #4 @ r6 = bits[59..28] of windowed x32 + + smull r4, lr, r12, r7 @ r4..lr = (window_l[5] * (x[23] == x[30])) + ldr r11, =WL1 @ r11 = window_l[1] + ldr r12, =WL2 @ r12 = window_l[2] + movs r4, r4, lsr #28 + adc r4, r4, lr, lsl #4 @ r4 = bits[59..28] of windowed x30 + + smull r7, lr, r12, r3 @ r7..lr = (window_l[2] * (x[20] == x[33])) + ldr r12, =WL6 @ r12 = window_l[6] + movs r7, r7, lsr #28 + adc r7, r7, lr, lsl #4 @ r7 = bits[59..28] of windowed x33 + + smull r3, lr, r12, r8 @ r3..lr = (window_l[6] * (x[24] == x[29])) + movs r3, r3, lsr #28 + adc r3, r3, lr, lsl #4 @ r3 = bits[59..28] of windowed x29 + + smull r8, lr, r11, r2 @ r7..lr = (window_l[1] * (x[19] == x[34])) + ldr r12, =WL7 @ r12 = window_l[7] + ldr r11, =WL8 @ r11 = window_l[8] + movs r8, r8, lsr #28 + adc r8, r8, lr, lsl #4 @ r8 = bits[59..28] of windowed x34 + + smull r2, lr, r12, r9 @ r7..lr = (window_l[7] * (x[25] == x[28])) + ldr r12, =WL0 @ r12 = window_l[0] + movs r2, r2, lsr #28 + adc r2, r2, lr, lsl #4 @ r2 = bits[59..28] of windowed x28 + + smull r9, lr, r12, r0 @ r3..lr = (window_l[0] * (x[18] == x[35])) + movs r9, r9, lsr #28 + adc r9, r9, lr, lsl #4 @ r9 = bits[59..28] of windowed x35 + + smull r0, lr, r11, r10 @ r7..lr = (window_l[8] * (x[26] == x[27])) + ldr r11, =WL16 @ r11 = window_l[16] + ldr r12, =WL17 @ r12 = window_l[17] + movs r0, r0, lsr #28 + adc r0, r0, lr, lsl #4 @ r0 = bits[59..28] of windowed x27 + + + stmia r1, { r0, r2 - r9 } @ store windowed x[27] .. x[35] + ldmdb r1!, { r0, r2 - r9 } @ load 9 words downto (and including) x18 + + + smull r10, lr, r12, r0 @ r10..lr = (window_l[17] * x[18]) + movs r10, r10, lsr #28 + adc r0, r10, lr, lsl #4 @ r0 = bits[59..28] of windowed x0 + + smull r10, lr, r11, r2 @ r10..lr = (window_l[16] * x[19]) + ldr r11, =WL14 @ r11 = window_l[14] + ldr r12, =WL15 @ r12 = window_l[15] + movs r10, r10, lsr #28 + adc r2, r10, lr, lsl #4 @ r2 = bits[59..28] of windowed x1 + + smull r10, lr, r12, r3 @ r10..lr = (window_l[15] * x[20]) + movs r10, r10, lsr #28 + adc r3, r10, lr, lsl #4 @ r3 = bits[59..28] of windowed x2 + + smull r10, lr, r11, r4 @ r10..lr = (window_l[14] * x[21]) + ldr r11, =WL12 @ r11 = window_l[12] + ldr r12, =WL13 @ r12 = window_l[13] + movs r10, r10, lsr #28 + adc r4, r10, lr, lsl #4 @ r4 = bits[59..28] of windowed x3 + + smull r10, lr, r12, r5 @ r10..lr = (window_l[13] * x[22]) + movs r10, r10, lsr #28 + adc r5, r10, lr, lsl #4 @ r5 = bits[59..28] of windowed x4 + + smull r10, lr, r11, r6 @ r10..lr = (window_l[12] * x[23]) + ldr r11, =WL10 @ r12 = window_l[10] + ldr r12, =WL11 @ r12 = window_l[11] + movs r10, r10, lsr #28 + adc r6, r10, lr, lsl #4 @ r6 = bits[59..28] of windowed x5 + + smull r10, lr, r12, r7 @ r10..lr = (window_l[11] * x[24]) + movs r10, r10, lsr #28 + adc r7, r10, lr, lsl #4 @ r7 = bits[59..28] of windowed x6 + + smull r10, lr, r11, r8 @ r10..lr = (window_l[10] * x[25]) + ldr r12, =WL9 @ r12 = window_l[9] + movs r10, r10, lsr #28 + adc r8, r10, lr, lsl #4 @ r8 = bits[59..28] of windowed x7 + + smull r10, lr, r12, r9 @ r10..lr = (window_l[9] * x[26]) + + movs r10, r10, lsr #28 + adc r9, r10, lr, lsl #4 @ r9 = bits[59..28] of windowed x8 + + stmia r1, { r0, r2 - r9 } @ store windowed x[18] .. x[26] + + @---- + @ NB there are 2 possible exits from this function - this is only one of them + @---- + + add sp, sp, #(21*4) @ return stack frame + ldmia sp!, { r4 - r11, pc } @ restore callee saved regs, and return + + @---- + + +stop_block_x0_to_x17: + + @ r0 = x0 + @ r1 = &x[9] + @ r2 = x1 + @ r3 = x2 + @ r4 = x3 + @ r5 = x4 + @ r6 = x5 + @ r7 = x6 + @ r8 = x7 + @ r9 = x8 + @ r10 = -x0 + @ r11 = window mode: (0 == normal), (1 == start block), (3 == stop block) + @ r12 = . + @ lr = . + + rsb r0, r6, #0 @ r0 = -x5 + rsb r6, r2, #0 @ r6 = -x1 + rsb r2, r5, #0 @ r2 = -x4 + rsb r5, r3, #0 @ r5 = -x2 + rsb r3, r4, #0 @ r3 = -x3 + + add r1, r1, #(3*4) @ r1 = &x[12] + stmia r1, { r0, r2, r3, r5, r6, r10 } @ store unchanged x[12] .. x[17] + + ldr r0, =WL1 @ r0 = window_l[1] == window_s[0] + + rsb r10, r9, #0 @ r10 = -x8 + rsb r12, r8, #0 @ r12 = -x7 + rsb lr, r7, #0 @ lr = -x6 + + @ r0 = WL1 + @ r1 = &x[12] + @ r2 = . + @ r3 = . + @ r4 = . + @ r5 = . + @ r6 = . + @ r7 = x6 + @ r8 = x7 + @ r9 = x8 + @ r10 = -x8 + @ r11 = window mode: (0 == normal), (1 == start block), (3 == stop block) + @ r12 = -x7 + @ lr = -x6 + + smull r5, r6, r0, r7 @ r5..r6 = (window_l[1] * x[6]) + ldr r2, =WL4 @ r2 = window_l[4] == window_s[1] + movs r5, r5, lsr #28 + adc r7, r5, r6, lsl #4 @ r7 = bits[59..28] of windowed x6 + + smull r5, r6, r2, r8 @ r5..r6 = (window_l[4] * x[7]) + ldr r3, =WL7 @ r3 = window_l[7] == window_s[2] + movs r5, r5, lsr #28 + adc r8, r5, r6, lsl #4 @ r8 = bits[59..28] of windowed x7 + + smull r5, r6, r3, r9 @ r5..r6 = (window_l[7] * x[8]) + ldr r4, =WL10 @ r4 = window_l[10] == window_s[3] + movs r5, r5, lsr #28 + adc r9, r5, r6, lsl #4 @ r9 = bits[59..28] of windowed x8 + + smull r5, r6, r4, r10 @ r5..r6 = (window_l[10] * (x[9] == -x[8])) + ldr r0, =WL13 @ r0 = window_l[13] == window_s[4] + movs r5, r5, lsr #28 + adc r10, r5, r6, lsl #4 @ r10 = bits[59..28] of windowed x9 + + smull r5, r6, r0, r12 @ r5..r6 = (window_l[13] * (x[10] == -x[7])) + ldr r2, =WL16 @ r2 = window_l[16] == window_s[5] + movs r5, r5, lsr #28 + adc r12, r5, r6, lsl #4 @ r10 = bits[59..28] of windowed x9 + + smull r5, r6, r2, lr @ r5..r6 = (window_l[16] * (x[11] == -x[6])) + + ldr r0, =0x00 + + movs r5, r5, lsr #28 + adc lr, r5, r6, lsl #4 @ r10 = bits[59..28] of windowed x9 + + stmdb r1!, { r7 - r10, r12, lr } @ store windowed x[6] .. x[11] + + ldr r5, =0x00 + ldr r6, =0x00 + ldr r2, =0x00 + ldr r3, =0x00 + ldr r4, =0x00 + + stmdb r1!, { r0, r2 - r6 } @ store windowed x[0] .. x[5] + + b normal_block_x18_to_x35 + + + @---- + + +start_block_x18_to_x35: + + ldr r4, =WL1 @ r0 = window_l[1] == window_s[0] + + add r1, r1, #(24*4) @ r1 = &x[24] + + ldmia r1, { r0, r2, r3 } @ load 3 words from x24, dont update pointer + + @ r0 = x24 + @ r1 = &x[24] + @ r2 = x25 + @ r3 = x26 + @ r4 = WL1 + @ r5 = WL4 + @ r6 = WL7 + @ r7 = WL10 + @ r8 = WL13 + @ r9 = WL16 + @ r10 = . + @ r11 = . + @ r12 = . + @ lr = . + + ldr r5, =WL4 @ r5 = window_l[4] == window_s[1] + + smull r10, r11, r4, r0 @ r10..r11 = (window_l[1] * (x[24] == x[29])) + ldr r6, =WL7 @ r6 = window_l[7] == window_s[2] + movs r10, r10, lsr #28 + adc lr, r10, r11, lsl #4 @ lr = bits[59..28] of windowed x29 + + smull r10, r11, r5, r2 @ r10..r11 = (window_l[4] * (x[25] == x[28])) + ldr r7, =WL10 @ r7 = window_l[10] == window_s[3] + movs r10, r10, lsr #28 + adc r12, r10, r11, lsl #4 @ r12 = bits[59..28] of windowed x28 + + smull r10, r11, r6, r3 @ r10..r11 = (window_l[7] * (x[26] == x[27])) + ldr r8, =WL13 @ r8 = window_l[13] == window_s[4] + movs r10, r10, lsr #28 + adc r4, r10, r11, lsl #4 @ r4 = bits[59..28] of windowed x27 + + smull r10, r11, r7, r3 @ r10..r11 = (window_l[10] * x[26]) + ldr r9, =WL16 @ r9 = window_l[16] == window_s[5] + movs r10, r10, lsr #28 + adc r3, r10, r11, lsl #4 @ r3 = bits[59..28] of windowed x26 + + smull r10, r11, r8, r2 @ r10..r11 = (window_l[13] * x[25]) + ldr r5, =0x00 + movs r10, r10, lsr #28 + adc r2, r10, r11, lsl #4 @ r2 = bits[59..28] of windowed x25 + + smull r10, r11, r9, r0 @ r10..r11 = (window_l[16] * x[24]) + ldr r6, =0x00 + movs r10, r10, lsr #28 + adc r0, r10, r11, lsl #4 @ r0 = bits[59..28] of windowed x24 + + stmia r1!, { r0, r2, r3, r4, r12, lr } @ store windowed x[24] .. x[29] + + ldr r7, =0x00 + ldr r8, =0x00 + ldr r9, =0x00 + ldr r10, =0x00 + + stmia r1!, { r5 - r10 } @ store windowed x[30] .. x[35] + + @---- + @ NB there are 2 possible exits from this function - this is only one of them + @---- + + add sp, sp, #(21*4) @ return stack frame + ldmia sp!, { r4 - r11, pc } @ restore callee saved regs, and return + + @---- + @END + @---- + diff --git a/audio_codec/libmad/imdct_s.dat b/audio_codec/libmad/imdct_s.dat new file mode 100755 index 0000000..476710e --- a/dev/null +++ b/audio_codec/libmad/imdct_s.dat @@ -0,0 +1,62 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: imdct_s.dat,v 1.8 2004/01/23 09:41:32 rob Exp $ + */ + + /* 0 */ { MAD_F(0x09bd7ca0) /* 0.608761429 */, + -MAD_F(0x0ec835e8) /* -0.923879533 */, + -MAD_F(0x0216a2a2) /* -0.130526192 */, + MAD_F(0x0fdcf549) /* 0.991444861 */, + -MAD_F(0x061f78aa) /* -0.382683432 */, + -MAD_F(0x0cb19346) /* -0.793353340 */ }, + + /* 6 */ { -MAD_F(0x0cb19346) /* -0.793353340 */, + MAD_F(0x061f78aa) /* 0.382683432 */, + MAD_F(0x0fdcf549) /* 0.991444861 */, + MAD_F(0x0216a2a2) /* 0.130526192 */, + -MAD_F(0x0ec835e8) /* -0.923879533 */, + -MAD_F(0x09bd7ca0) /* -0.608761429 */ }, + + /* 1 */ { MAD_F(0x061f78aa) /* 0.382683432 */, + -MAD_F(0x0ec835e8) /* -0.923879533 */, + MAD_F(0x0ec835e8) /* 0.923879533 */, + -MAD_F(0x061f78aa) /* -0.382683432 */, + -MAD_F(0x061f78aa) /* -0.382683432 */, + MAD_F(0x0ec835e8) /* 0.923879533 */ }, + + /* 7 */ { -MAD_F(0x0ec835e8) /* -0.923879533 */, + -MAD_F(0x061f78aa) /* -0.382683432 */, + MAD_F(0x061f78aa) /* 0.382683432 */, + MAD_F(0x0ec835e8) /* 0.923879533 */, + MAD_F(0x0ec835e8) /* 0.923879533 */, + MAD_F(0x061f78aa) /* 0.382683432 */ }, + + /* 2 */ { MAD_F(0x0216a2a2) /* 0.130526192 */, + -MAD_F(0x061f78aa) /* -0.382683432 */, + MAD_F(0x09bd7ca0) /* 0.608761429 */, + -MAD_F(0x0cb19346) /* -0.793353340 */, + MAD_F(0x0ec835e8) /* 0.923879533 */, + -MAD_F(0x0fdcf549) /* -0.991444861 */ }, + + /* 8 */ { -MAD_F(0x0fdcf549) /* -0.991444861 */, + -MAD_F(0x0ec835e8) /* -0.923879533 */, + -MAD_F(0x0cb19346) /* -0.793353340 */, + -MAD_F(0x09bd7ca0) /* -0.608761429 */, + -MAD_F(0x061f78aa) /* -0.382683432 */, + -MAD_F(0x0216a2a2) /* -0.130526192 */ } diff --git a/audio_codec/libmad/layer12.c b/audio_codec/libmad/layer12.c new file mode 100644 index 0000000..d52f200 --- a/dev/null +++ b/audio_codec/libmad/layer12.c @@ -0,0 +1,552 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: layer12.c,v 1.17 2004/02/05 09:02:39 rob Exp $ + */ + +# ifdef HAVE_CONFIG_H +# include "config.h" +# endif + +# include "global.h" + +# ifdef HAVE_LIMITS_H +# include +# else +# define CHAR_BIT 8 +# endif + +# include "fixed.h" +# include "bit.h" +# include "stream.h" +# include "frame.h" +# include "layer12.h" + +/* + * scalefactor table + * used in both Layer I and Layer II decoding + */ +static +mad_fixed_t const sf_table[64] = { +# include "sf_table.dat" +}; + +/* --- Layer I ------------------------------------------------------------- */ + +/* linear scaling table */ +static +mad_fixed_t const linear_table[14] = { + MAD_F(0x15555555), /* 2^2 / (2^2 - 1) == 1.33333333333333 */ + MAD_F(0x12492492), /* 2^3 / (2^3 - 1) == 1.14285714285714 */ + MAD_F(0x11111111), /* 2^4 / (2^4 - 1) == 1.06666666666667 */ + MAD_F(0x10842108), /* 2^5 / (2^5 - 1) == 1.03225806451613 */ + MAD_F(0x10410410), /* 2^6 / (2^6 - 1) == 1.01587301587302 */ + MAD_F(0x10204081), /* 2^7 / (2^7 - 1) == 1.00787401574803 */ + MAD_F(0x10101010), /* 2^8 / (2^8 - 1) == 1.00392156862745 */ + MAD_F(0x10080402), /* 2^9 / (2^9 - 1) == 1.00195694716243 */ + MAD_F(0x10040100), /* 2^10 / (2^10 - 1) == 1.00097751710655 */ + MAD_F(0x10020040), /* 2^11 / (2^11 - 1) == 1.00048851978505 */ + MAD_F(0x10010010), /* 2^12 / (2^12 - 1) == 1.00024420024420 */ + MAD_F(0x10008004), /* 2^13 / (2^13 - 1) == 1.00012208521548 */ + MAD_F(0x10004001), /* 2^14 / (2^14 - 1) == 1.00006103888177 */ + MAD_F(0x10002000) /* 2^15 / (2^15 - 1) == 1.00003051850948 */ +}; + +/* + * NAME: I_sample() + * DESCRIPTION: decode one requantized Layer I sample from a bitstream + */ +static +mad_fixed_t I_sample(struct mad_bitptr *ptr, unsigned int nb) +{ + mad_fixed_t sample; + + sample = mad_bit_read(ptr, nb); + + /* invert most significant bit, extend sign, then scale to fixed format */ + + sample ^= 1 << (nb - 1); + sample |= -(sample & (1 << (nb - 1))); + + sample <<= MAD_F_FRACBITS - (nb - 1); + + /* requantize the sample */ + + /* s'' = (2^nb / (2^nb - 1)) * (s''' + 2^(-nb + 1)) */ + + sample += MAD_F_ONE >> (nb - 1); + + return mad_f_mul(sample, linear_table[nb - 2]); + + /* s' = factor * s'' */ + /* (to be performed by caller) */ +} + +/* + * NAME: layer->I() + * DESCRIPTION: decode a single Layer I frame + */ +int mad_layer_I(struct mad_stream *stream, struct mad_frame *frame) +{ + struct mad_header *header = &frame->header; + unsigned int nch, bound, ch, s, sb, nb; + unsigned char allocation[2][32], scalefactor[2][32]; + + nch = MAD_NCHANNELS(header); + + bound = 32; + if (header->mode == MAD_MODE_JOINT_STEREO) { + header->flags |= MAD_FLAG_I_STEREO; + bound = 4 + header->mode_extension * 4; + } + + /* check CRC word */ + + if (header->flags & MAD_FLAG_PROTECTION) { + header->crc_check = + mad_bit_crc(stream->ptr, 4 * (bound * nch + (32 - bound)), + header->crc_check); + + if (header->crc_check != header->crc_target && + !(frame->options & MAD_OPTION_IGNORECRC)) { + stream->error = MAD_ERROR_BADCRC; + return -1; + } + } + + /* decode bit allocations */ + + for (sb = 0; sb < bound; ++sb) { + for (ch = 0; ch < nch; ++ch) { + nb = mad_bit_read(&stream->ptr, 4); + + if (nb == 15) { + stream->error = MAD_ERROR_BADBITALLOC; + return -1; + } + + allocation[ch][sb] = nb ? nb + 1 : 0; + } + } + + for (sb = bound; sb < 32; ++sb) { + nb = mad_bit_read(&stream->ptr, 4); + + if (nb == 15) { + stream->error = MAD_ERROR_BADBITALLOC; + return -1; + } + + allocation[0][sb] = + allocation[1][sb] = nb ? nb + 1 : 0; + } + + /* decode scalefactors */ + + for (sb = 0; sb < 32; ++sb) { + for (ch = 0; ch < nch; ++ch) { + if (allocation[ch][sb]) { + scalefactor[ch][sb] = mad_bit_read(&stream->ptr, 6); + +# if defined(OPT_STRICT) + /* + * Scalefactor index 63 does not appear in Table B.1 of + * ISO/IEC 11172-3. Nonetheless, other implementations accept it, + * so we only reject it if OPT_STRICT is defined. + */ + if (scalefactor[ch][sb] == 63) { + stream->error = MAD_ERROR_BADSCALEFACTOR; + return -1; + } +# endif + } + } + } + + /* decode samples */ + + for (s = 0; s < 12; ++s) { + for (sb = 0; sb < bound; ++sb) { + for (ch = 0; ch < nch; ++ch) { + nb = allocation[ch][sb]; + frame->sbsample[ch][s][sb] = nb ? + mad_f_mul(I_sample(&stream->ptr, nb), + sf_table[scalefactor[ch][sb]]) : 0; + } + } + + for (sb = bound; sb < 32; ++sb) { + if ((nb = allocation[0][sb])) { + mad_fixed_t sample; + + sample = I_sample(&stream->ptr, nb); + + for (ch = 0; ch < nch; ++ch) { + frame->sbsample[ch][s][sb] = + mad_f_mul(sample, sf_table[scalefactor[ch][sb]]); + } + } else { + for (ch = 0; ch < nch; ++ch) { + frame->sbsample[ch][s][sb] = 0; + } + } + } + } + + return 0; +} + +/* --- Layer II ------------------------------------------------------------ */ + +/* possible quantization per subband table */ +static +struct { + unsigned int sblimit; + unsigned char const offsets[30]; +} const sbquant_table[5] = { + /* ISO/IEC 11172-3 Table B.2a */ + { + 27, { + 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, /* 0 */ + 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0 + } + }, + /* ISO/IEC 11172-3 Table B.2b */ + { + 30, { + 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, /* 1 */ + 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0 + } + }, + /* ISO/IEC 11172-3 Table B.2c */ + { 8, { 5, 5, 2, 2, 2, 2, 2, 2 } }, /* 2 */ + /* ISO/IEC 11172-3 Table B.2d */ + { 12, { 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 } }, /* 3 */ + /* ISO/IEC 13818-3 Table B.1 */ + { + 30, { + 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, /* 4 */ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 + } + } +}; + +/* bit allocation table */ +static +struct { + unsigned short nbal; + unsigned short offset; +} const bitalloc_table[8] = { + { 2, 0 }, /* 0 */ + { 2, 3 }, /* 1 */ + { 3, 3 }, /* 2 */ + { 3, 1 }, /* 3 */ + { 4, 2 }, /* 4 */ + { 4, 3 }, /* 5 */ + { 4, 4 }, /* 6 */ + { 4, 5 } /* 7 */ +}; + +/* offsets into quantization class table */ +static +unsigned char const offset_table[6][15] = { + { 0, 1, 16 }, /* 0 */ + { 0, 1, 2, 3, 4, 5, 16 }, /* 1 */ + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 }, /* 2 */ + { 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, /* 3 */ + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16 }, /* 4 */ + { 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 } /* 5 */ +}; + +/* quantization class table */ +static +struct quantclass { + unsigned short nlevels; + unsigned char group; + unsigned char bits; + mad_fixed_t C; + mad_fixed_t D; +} const qc_table[17] = { +# include "qc_table.dat" +}; + +/* + * NAME: II_samples() + * DESCRIPTION: decode three requantized Layer II samples from a bitstream + */ +static +void II_samples(struct mad_bitptr *ptr, + struct quantclass const *quantclass, + mad_fixed_t output[3]) +{ + unsigned int nb, s, sample[3]; + + if ((nb = quantclass->group)) { + unsigned int c, nlevels; + + /* degrouping */ + c = mad_bit_read(ptr, quantclass->bits); + nlevels = quantclass->nlevels; + + for (s = 0; s < 3; ++s) { + sample[s] = c % nlevels; + c /= nlevels; + } + } else { + nb = quantclass->bits; + + for (s = 0; s < 3; ++s) { + sample[s] = mad_bit_read(ptr, nb); + } + } + + for (s = 0; s < 3; ++s) { + mad_fixed_t requantized; + + /* invert most significant bit, extend sign, then scale to fixed format */ + + requantized = sample[s] ^(1 << (nb - 1)); + requantized |= -(requantized & (1 << (nb - 1))); + + requantized <<= MAD_F_FRACBITS - (nb - 1); + + /* requantize the sample */ + + /* s'' = C * (s''' + D) */ + + output[s] = mad_f_mul(requantized + quantclass->D, quantclass->C); + + /* s' = factor * s'' */ + /* (to be performed by caller) */ + } +} + +/* + * NAME: layer->II() + * DESCRIPTION: decode a single Layer II frame + */ +int mad_layer_II(struct mad_stream *stream, struct mad_frame *frame) +{ + struct mad_header *header = &frame->header; + struct mad_bitptr start; + unsigned int index, sblimit, nbal, nch, bound, gr, ch, s, sb; + unsigned char const *offsets; + unsigned char allocation[2][32], scfsi[2][32], scalefactor[2][32][3]; + mad_fixed_t samples[3]; + + nch = MAD_NCHANNELS(header); + + if (header->flags & MAD_FLAG_LSF_EXT) { + index = 4; + } else if (header->flags & MAD_FLAG_FREEFORMAT) { + goto freeformat; + } else { + unsigned long bitrate_per_channel; + + bitrate_per_channel = header->bitrate; + if (nch == 2) { + bitrate_per_channel /= 2; + +# if defined(OPT_STRICT) + /* + * ISO/IEC 11172-3 allows only single channel mode for 32, 48, 56, and + * 80 kbps bitrates in Layer II, but some encoders ignore this + * restriction. We enforce it if OPT_STRICT is defined. + */ + if (bitrate_per_channel <= 28000 || bitrate_per_channel == 40000) { + stream->error = MAD_ERROR_BADMODE; + return -1; + } +# endif + } else { /* nch == 1 */ +#if 0 + if (bitrate_per_channel > 192000) { + /* + * ISO/IEC 11172-3 does not allow single channel mode for 224, 256, + * 320, or 384 kbps bitrates in Layer II. + */ + stream->error = MAD_ERROR_BADMODE; + return -1; + } +#endif + } + + if (bitrate_per_channel <= 48000) { + index = (header->samplerate == 32000) ? 3 : 2; + } else if (bitrate_per_channel <= 80000) { + index = 0; + } else { +freeformat: + index = (header->samplerate == 48000) ? 0 : 1; + } + } + + sblimit = sbquant_table[index].sblimit; + offsets = sbquant_table[index].offsets; + + bound = 32; + if (header->mode == MAD_MODE_JOINT_STEREO) { + header->flags |= MAD_FLAG_I_STEREO; + bound = 4 + header->mode_extension * 4; + } + + if (bound > sblimit) { + bound = sblimit; + } + + start = stream->ptr; + + /* decode bit allocations */ + + for (sb = 0; sb < bound; ++sb) { + nbal = bitalloc_table[offsets[sb]].nbal; + + for (ch = 0; ch < nch; ++ch) { + allocation[ch][sb] = mad_bit_read(&stream->ptr, nbal); + } + } + + for (sb = bound; sb < sblimit; ++sb) { + nbal = bitalloc_table[offsets[sb]].nbal; + + allocation[0][sb] = + allocation[1][sb] = mad_bit_read(&stream->ptr, nbal); + } + + /* decode scalefactor selection info */ + + for (sb = 0; sb < sblimit; ++sb) { + for (ch = 0; ch < nch; ++ch) { + if (allocation[ch][sb]) { + scfsi[ch][sb] = mad_bit_read(&stream->ptr, 2); + } + } + } + + /* check CRC word */ + + if (header->flags & MAD_FLAG_PROTECTION) { + header->crc_check = + mad_bit_crc(start, mad_bit_length(&start, &stream->ptr), + header->crc_check); + + if (header->crc_check != header->crc_target && + !(frame->options & MAD_OPTION_IGNORECRC)) { + stream->error = MAD_ERROR_BADCRC; + return -1; + } + } + + /* decode scalefactors */ + + for (sb = 0; sb < sblimit; ++sb) { + for (ch = 0; ch < nch; ++ch) { + if (allocation[ch][sb]) { + scalefactor[ch][sb][0] = mad_bit_read(&stream->ptr, 6); + + switch (scfsi[ch][sb]) { + case 2: + scalefactor[ch][sb][2] = + scalefactor[ch][sb][1] = + scalefactor[ch][sb][0]; + break; + + case 0: + scalefactor[ch][sb][1] = mad_bit_read(&stream->ptr, 6); + /* fall through */ + + case 1: + case 3: + scalefactor[ch][sb][2] = mad_bit_read(&stream->ptr, 6); + } + + if (scfsi[ch][sb] & 1) { + scalefactor[ch][sb][1] = scalefactor[ch][sb][scfsi[ch][sb] - 1]; + } + +# if defined(OPT_STRICT) + /* + * Scalefactor index 63 does not appear in Table B.1 of + * ISO/IEC 11172-3. Nonetheless, other implementations accept it, + * so we only reject it if OPT_STRICT is defined. + */ + if (scalefactor[ch][sb][0] == 63 || + scalefactor[ch][sb][1] == 63 || + scalefactor[ch][sb][2] == 63) { + stream->error = MAD_ERROR_BADSCALEFACTOR; + return -1; + } +# endif + } + } + } + + /* decode samples */ + + for (gr = 0; gr < 12; ++gr) { + for (sb = 0; sb < bound; ++sb) { + for (ch = 0; ch < nch; ++ch) { + if ((index = allocation[ch][sb])) { + index = offset_table[bitalloc_table[offsets[sb]].offset][index - 1]; + + II_samples(&stream->ptr, &qc_table[index], samples); + + for (s = 0; s < 3; ++s) { + frame->sbsample[ch][3 * gr + s][sb] = + mad_f_mul(samples[s], sf_table[scalefactor[ch][sb][gr / 4]]); + } + } else { + for (s = 0; s < 3; ++s) { + frame->sbsample[ch][3 * gr + s][sb] = 0; + } + } + } + } + + for (sb = bound; sb < sblimit; ++sb) { + if ((index = allocation[0][sb])) { + index = offset_table[bitalloc_table[offsets[sb]].offset][index - 1]; + + II_samples(&stream->ptr, &qc_table[index], samples); + + for (ch = 0; ch < nch; ++ch) { + for (s = 0; s < 3; ++s) { + frame->sbsample[ch][3 * gr + s][sb] = + mad_f_mul(samples[s], sf_table[scalefactor[ch][sb][gr / 4]]); + } + } + } else { + for (ch = 0; ch < nch; ++ch) { + for (s = 0; s < 3; ++s) { + frame->sbsample[ch][3 * gr + s][sb] = 0; + } + } + } + } + + for (ch = 0; ch < nch; ++ch) { + for (s = 0; s < 3; ++s) { + for (sb = sblimit; sb < 32; ++sb) { + frame->sbsample[ch][3 * gr + s][sb] = 0; + } + } + } + } + + return 0; +} diff --git a/audio_codec/libmad/layer12.h b/audio_codec/libmad/layer12.h new file mode 100755 index 0000000..e1c4996 --- a/dev/null +++ b/audio_codec/libmad/layer12.h @@ -0,0 +1,31 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: layer12.h,v 1.10 2004/01/23 09:41:32 rob Exp $ + */ + +# ifndef LIBMAD_LAYER12_H +# define LIBMAD_LAYER12_H + +# include "stream.h" +# include "frame.h" + +int mad_layer_I(struct mad_stream *, struct mad_frame *); +int mad_layer_II(struct mad_stream *, struct mad_frame *); + +# endif diff --git a/audio_codec/libmad/layer3.c b/audio_codec/libmad/layer3.c new file mode 100644 index 0000000..fc4b0fb --- a/dev/null +++ b/audio_codec/libmad/layer3.c @@ -0,0 +1,2742 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: layer3.c,v 1.43 2004/01/23 09:41:32 rob Exp $ + */ + +# ifdef HAVE_CONFIG_H +# include "config.h" +# endif + +# include "global.h" + +# include +# include + +# ifdef HAVE_ASSERT_H +# include +# endif + +# ifdef HAVE_LIMITS_H +# include +# else +# define CHAR_BIT 8 +# endif + +# include "fixed.h" +# include "bit.h" +# include "stream.h" +# include "frame.h" +# include "huffman.h" +# include "layer3.h" + +/* --- Layer III ----------------------------------------------------------- */ + +enum { + count1table_select = 0x01, + scalefac_scale = 0x02, + preflag = 0x04, + mixed_block_flag = 0x08 +}; + +enum { + I_STEREO = 0x1, + MS_STEREO = 0x2 +}; + +struct sideinfo { + unsigned int main_data_begin; + unsigned int private_bits; + + unsigned char scfsi[2]; + + struct granule { + struct channel { + /* from side info */ + unsigned short part2_3_length; + unsigned short big_values; + unsigned short global_gain; + unsigned short scalefac_compress; + + unsigned char flags; + unsigned char block_type; + unsigned char table_select[3]; + unsigned char subblock_gain[3]; + unsigned char region0_count; + unsigned char region1_count; + + /* from main_data */ + unsigned char scalefac[39]; /* scalefac_l and/or scalefac_s */ + } ch[2]; + } gr[2]; +}; + +/* + * scalefactor bit lengths + * derived from section 2.4.2.7 of ISO/IEC 11172-3 + */ +static +struct { + unsigned char slen1; + unsigned char slen2; +} const sflen_table[16] = { + { 0, 0 }, { 0, 1 }, { 0, 2 }, { 0, 3 }, + { 3, 0 }, { 1, 1 }, { 1, 2 }, { 1, 3 }, + { 2, 1 }, { 2, 2 }, { 2, 3 }, { 3, 1 }, + { 3, 2 }, { 3, 3 }, { 4, 2 }, { 4, 3 } +}; + +/* + * number of LSF scalefactor band values + * derived from section 2.4.3.2 of ISO/IEC 13818-3 + */ +static +unsigned char const nsfb_table[6][3][4] = { + { { 6, 5, 5, 5 }, + { 9, 9, 9, 9 }, + { 6, 9, 9, 9 } + }, + + { { 6, 5, 7, 3 }, + { 9, 9, 12, 6 }, + { 6, 9, 12, 6 } + }, + + { { 11, 10, 0, 0 }, + { 18, 18, 0, 0 }, + { 15, 18, 0, 0 } + }, + + { { 7, 7, 7, 0 }, + { 12, 12, 12, 0 }, + { 6, 15, 12, 0 } + }, + + { { 6, 6, 6, 3 }, + { 12, 9, 9, 6 }, + { 6, 12, 9, 6 } + }, + + { { 8, 8, 5, 0 }, + { 15, 12, 9, 0 }, + { 6, 18, 9, 0 } + } +}; + +/* + * MPEG-1 scalefactor band widths + * derived from Table B.8 of ISO/IEC 11172-3 + */ +static +unsigned char const sfb_48000_long[] = { + 4, 4, 4, 4, 4, 4, 6, 6, 6, 8, 10, + 12, 16, 18, 22, 28, 34, 40, 46, 54, 54, 192 +}; + +static +unsigned char const sfb_44100_long[] = { + 4, 4, 4, 4, 4, 4, 6, 6, 8, 8, 10, + 12, 16, 20, 24, 28, 34, 42, 50, 54, 76, 158 +}; + +static +unsigned char const sfb_32000_long[] = { + 4, 4, 4, 4, 4, 4, 6, 6, 8, 10, 12, + 16, 20, 24, 30, 38, 46, 56, 68, 84, 102, 26 +}; + +static +unsigned char const sfb_48000_short[] = { + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 6, + 6, 6, 6, 6, 6, 10, 10, 10, 12, 12, 12, 14, 14, + 14, 16, 16, 16, 20, 20, 20, 26, 26, 26, 66, 66, 66 +}; + +static +unsigned char const sfb_44100_short[] = { + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 6, + 6, 6, 8, 8, 8, 10, 10, 10, 12, 12, 12, 14, 14, + 14, 18, 18, 18, 22, 22, 22, 30, 30, 30, 56, 56, 56 +}; + +static +unsigned char const sfb_32000_short[] = { + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 6, + 6, 6, 8, 8, 8, 12, 12, 12, 16, 16, 16, 20, 20, + 20, 26, 26, 26, 34, 34, 34, 42, 42, 42, 12, 12, 12 +}; + +static +unsigned char const sfb_48000_mixed[] = { + /* long */ 4, 4, 4, 4, 4, 4, 6, 6, + /* short */ 4, 4, 4, 6, 6, 6, 6, 6, 6, 10, + 10, 10, 12, 12, 12, 14, 14, 14, 16, 16, + 16, 20, 20, 20, 26, 26, 26, 66, 66, 66 +}; + +static +unsigned char const sfb_44100_mixed[] = { + /* long */ 4, 4, 4, 4, 4, 4, 6, 6, + /* short */ 4, 4, 4, 6, 6, 6, 8, 8, 8, 10, + 10, 10, 12, 12, 12, 14, 14, 14, 18, 18, + 18, 22, 22, 22, 30, 30, 30, 56, 56, 56 +}; + +static +unsigned char const sfb_32000_mixed[] = { + /* long */ 4, 4, 4, 4, 4, 4, 6, 6, + /* short */ 4, 4, 4, 6, 6, 6, 8, 8, 8, 12, + 12, 12, 16, 16, 16, 20, 20, 20, 26, 26, + 26, 34, 34, 34, 42, 42, 42, 12, 12, 12 +}; + +/* + * MPEG-2 scalefactor band widths + * derived from Table B.2 of ISO/IEC 13818-3 + */ +static +unsigned char const sfb_24000_long[] = { + 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, + 18, 22, 26, 32, 38, 46, 54, 62, 70, 76, 36 +}; + +static +unsigned char const sfb_22050_long[] = { + 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, + 20, 24, 28, 32, 38, 46, 52, 60, 68, 58, 54 +}; + +# define sfb_16000_long sfb_22050_long + +static +unsigned char const sfb_24000_short[] = { + 4, 4, 4, 4, 4, 4, 4, 4, 4, 6, 6, 6, 8, + 8, 8, 10, 10, 10, 12, 12, 12, 14, 14, 14, 18, 18, + 18, 24, 24, 24, 32, 32, 32, 44, 44, 44, 12, 12, 12 +}; + +static +unsigned char const sfb_22050_short[] = { + 4, 4, 4, 4, 4, 4, 4, 4, 4, 6, 6, 6, 6, + 6, 6, 8, 8, 8, 10, 10, 10, 14, 14, 14, 18, 18, + 18, 26, 26, 26, 32, 32, 32, 42, 42, 42, 18, 18, 18 +}; + +static +unsigned char const sfb_16000_short[] = { + 4, 4, 4, 4, 4, 4, 4, 4, 4, 6, 6, 6, 8, + 8, 8, 10, 10, 10, 12, 12, 12, 14, 14, 14, 18, 18, + 18, 24, 24, 24, 30, 30, 30, 40, 40, 40, 18, 18, 18 +}; + +static +unsigned char const sfb_24000_mixed[] = { + /* long */ 6, 6, 6, 6, 6, 6, + /* short */ 6, 6, 6, 8, 8, 8, 10, 10, 10, 12, + 12, 12, 14, 14, 14, 18, 18, 18, 24, 24, + 24, 32, 32, 32, 44, 44, 44, 12, 12, 12 +}; + +static +unsigned char const sfb_22050_mixed[] = { + /* long */ 6, 6, 6, 6, 6, 6, + /* short */ 6, 6, 6, 6, 6, 6, 8, 8, 8, 10, + 10, 10, 14, 14, 14, 18, 18, 18, 26, 26, + 26, 32, 32, 32, 42, 42, 42, 18, 18, 18 +}; + +static +unsigned char const sfb_16000_mixed[] = { + /* long */ 6, 6, 6, 6, 6, 6, + /* short */ 6, 6, 6, 8, 8, 8, 10, 10, 10, 12, + 12, 12, 14, 14, 14, 18, 18, 18, 24, 24, + 24, 30, 30, 30, 40, 40, 40, 18, 18, 18 +}; + +/* + * MPEG 2.5 scalefactor band widths + * derived from public sources + */ +# define sfb_12000_long sfb_16000_long +# define sfb_11025_long sfb_12000_long + +static +unsigned char const sfb_8000_long[] = { + 12, 12, 12, 12, 12, 12, 16, 20, 24, 28, 32, + 40, 48, 56, 64, 76, 90, 2, 2, 2, 2, 2 +}; + +# define sfb_12000_short sfb_16000_short +# define sfb_11025_short sfb_12000_short + +static +unsigned char const sfb_8000_short[] = { + 8, 8, 8, 8, 8, 8, 8, 8, 8, 12, 12, 12, 16, + 16, 16, 20, 20, 20, 24, 24, 24, 28, 28, 28, 36, 36, + 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 26, 26, 26 +}; + +# define sfb_12000_mixed sfb_16000_mixed +# define sfb_11025_mixed sfb_12000_mixed + +/* the 8000 Hz short block scalefactor bands do not break after + the first 36 frequency lines, so this is probably wrong */ +static +unsigned char const sfb_8000_mixed[] = { + /* long */ 12, 12, 12, + /* short */ 4, 4, 4, 8, 8, 8, 12, 12, 12, 16, 16, 16, + 20, 20, 20, 24, 24, 24, 28, 28, 28, 36, 36, 36, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 26, 26, 26 +}; + +static +struct { + unsigned char const *l; + unsigned char const *s; + unsigned char const *m; +} const sfbwidth_table[9] = { + { sfb_48000_long, sfb_48000_short, sfb_48000_mixed }, + { sfb_44100_long, sfb_44100_short, sfb_44100_mixed }, + { sfb_32000_long, sfb_32000_short, sfb_32000_mixed }, + { sfb_24000_long, sfb_24000_short, sfb_24000_mixed }, + { sfb_22050_long, sfb_22050_short, sfb_22050_mixed }, + { sfb_16000_long, sfb_16000_short, sfb_16000_mixed }, + { sfb_12000_long, sfb_12000_short, sfb_12000_mixed }, + { sfb_11025_long, sfb_11025_short, sfb_11025_mixed }, + { sfb_8000_long, sfb_8000_short, sfb_8000_mixed } +}; + +/* + * scalefactor band preemphasis (used only when preflag is set) + * derived from Table B.6 of ISO/IEC 11172-3 + */ +static +unsigned char const pretab[22] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 2, 0 +}; + +/* + * table for requantization + * + * rq_table[x].mantissa * 2^(rq_table[x].exponent) = x^(4/3) + */ +static +struct fixedfloat { + unsigned long mantissa : 27; + unsigned short exponent : 5; +} const rq_table[8207] = { +# include "rq_table.dat" +}; + +/* + * fractional powers of two + * used for requantization and joint stereo decoding + * + * root_table[3 + x] = 2^(x/4) + */ +static +mad_fixed_t const root_table[7] = { + MAD_F(0x09837f05) /* 2^(-3/4) == 0.59460355750136 */, + MAD_F(0x0b504f33) /* 2^(-2/4) == 0.70710678118655 */, + MAD_F(0x0d744fcd) /* 2^(-1/4) == 0.84089641525371 */, + MAD_F(0x10000000) /* 2^( 0/4) == 1.00000000000000 */, + MAD_F(0x1306fe0a) /* 2^(+1/4) == 1.18920711500272 */, + MAD_F(0x16a09e66) /* 2^(+2/4) == 1.41421356237310 */, + MAD_F(0x1ae89f99) /* 2^(+3/4) == 1.68179283050743 */ +}; + +/* + * coefficients for aliasing reduction + * derived from Table B.9 of ISO/IEC 11172-3 + * + * c[] = { -0.6, -0.535, -0.33, -0.185, -0.095, -0.041, -0.0142, -0.0037 } + * cs[i] = 1 / sqrt(1 + c[i]^2) + * ca[i] = c[i] / sqrt(1 + c[i]^2) + */ +static +mad_fixed_t const cs[8] = { + +MAD_F(0x0db84a81) /* +0.857492926 */, +MAD_F(0x0e1b9d7f) /* +0.881741997 */, + +MAD_F(0x0f31adcf) /* +0.949628649 */, +MAD_F(0x0fbba815) /* +0.983314592 */, + +MAD_F(0x0feda417) /* +0.995517816 */, +MAD_F(0x0ffc8fc8) /* +0.999160558 */, + +MAD_F(0x0fff964c) /* +0.999899195 */, +MAD_F(0x0ffff8d3) /* +0.999993155 */ +}; + +static +mad_fixed_t const ca[8] = { + -MAD_F(0x083b5fe7) /* -0.514495755 */, -MAD_F(0x078c36d2) /* -0.471731969 */, + -MAD_F(0x05039814) /* -0.313377454 */, -MAD_F(0x02e91dd1) /* -0.181913200 */, + -MAD_F(0x0183603a) /* -0.094574193 */, -MAD_F(0x00a7cb87) /* -0.040965583 */, + -MAD_F(0x003a2847) /* -0.014198569 */, -MAD_F(0x000f27b4) /* -0.003699975 */ +}; + +/* + * IMDCT coefficients for short blocks + * derived from section 2.4.3.4.10.2 of ISO/IEC 11172-3 + * + * imdct_s[i/even][k] = cos((PI / 24) * (2 * (i / 2) + 7) * (2 * k + 1)) + * imdct_s[i /odd][k] = cos((PI / 24) * (2 * (6 + (i-1)/2) + 7) * (2 * k + 1)) + */ +static +mad_fixed_t const imdct_s[6][6] = { +# include "imdct_s.dat" +}; + +# if !defined(ASO_IMDCT) +/* + * windowing coefficients for long blocks + * derived from section 2.4.3.4.10.3 of ISO/IEC 11172-3 + * + * window_l[i] = sin((PI / 36) * (i + 1/2)) + */ +static +mad_fixed_t const window_l[36] = { + MAD_F(0x00b2aa3e) /* 0.043619387 */, MAD_F(0x0216a2a2) /* 0.130526192 */, + MAD_F(0x03768962) /* 0.216439614 */, MAD_F(0x04cfb0e2) /* 0.300705800 */, + MAD_F(0x061f78aa) /* 0.382683432 */, MAD_F(0x07635284) /* 0.461748613 */, + MAD_F(0x0898c779) /* 0.537299608 */, MAD_F(0x09bd7ca0) /* 0.608761429 */, + MAD_F(0x0acf37ad) /* 0.675590208 */, MAD_F(0x0bcbe352) /* 0.737277337 */, + MAD_F(0x0cb19346) /* 0.793353340 */, MAD_F(0x0d7e8807) /* 0.843391446 */, + + MAD_F(0x0e313245) /* 0.887010833 */, MAD_F(0x0ec835e8) /* 0.923879533 */, + MAD_F(0x0f426cb5) /* 0.953716951 */, MAD_F(0x0f9ee890) /* 0.976296007 */, + MAD_F(0x0fdcf549) /* 0.991444861 */, MAD_F(0x0ffc19fd) /* 0.999048222 */, + MAD_F(0x0ffc19fd) /* 0.999048222 */, MAD_F(0x0fdcf549) /* 0.991444861 */, + MAD_F(0x0f9ee890) /* 0.976296007 */, MAD_F(0x0f426cb5) /* 0.953716951 */, + MAD_F(0x0ec835e8) /* 0.923879533 */, MAD_F(0x0e313245) /* 0.887010833 */, + + MAD_F(0x0d7e8807) /* 0.843391446 */, MAD_F(0x0cb19346) /* 0.793353340 */, + MAD_F(0x0bcbe352) /* 0.737277337 */, MAD_F(0x0acf37ad) /* 0.675590208 */, + MAD_F(0x09bd7ca0) /* 0.608761429 */, MAD_F(0x0898c779) /* 0.537299608 */, + MAD_F(0x07635284) /* 0.461748613 */, MAD_F(0x061f78aa) /* 0.382683432 */, + MAD_F(0x04cfb0e2) /* 0.300705800 */, MAD_F(0x03768962) /* 0.216439614 */, + MAD_F(0x0216a2a2) /* 0.130526192 */, MAD_F(0x00b2aa3e) /* 0.043619387 */, +}; +# endif /* ASO_IMDCT */ + +/* + * windowing coefficients for short blocks + * derived from section 2.4.3.4.10.3 of ISO/IEC 11172-3 + * + * window_s[i] = sin((PI / 12) * (i + 1/2)) + */ +static +mad_fixed_t const window_s[12] = { + MAD_F(0x0216a2a2) /* 0.130526192 */, MAD_F(0x061f78aa) /* 0.382683432 */, + MAD_F(0x09bd7ca0) /* 0.608761429 */, MAD_F(0x0cb19346) /* 0.793353340 */, + MAD_F(0x0ec835e8) /* 0.923879533 */, MAD_F(0x0fdcf549) /* 0.991444861 */, + MAD_F(0x0fdcf549) /* 0.991444861 */, MAD_F(0x0ec835e8) /* 0.923879533 */, + MAD_F(0x0cb19346) /* 0.793353340 */, MAD_F(0x09bd7ca0) /* 0.608761429 */, + MAD_F(0x061f78aa) /* 0.382683432 */, MAD_F(0x0216a2a2) /* 0.130526192 */, +}; + +/* + * coefficients for intensity stereo processing + * derived from section 2.4.3.4.9.3 of ISO/IEC 11172-3 + * + * is_ratio[i] = tan(i * (PI / 12)) + * is_table[i] = is_ratio[i] / (1 + is_ratio[i]) + */ +static +mad_fixed_t const is_table[7] = { + MAD_F(0x00000000) /* 0.000000000 */, + MAD_F(0x0361962f) /* 0.211324865 */, + MAD_F(0x05db3d74) /* 0.366025404 */, + MAD_F(0x08000000) /* 0.500000000 */, + MAD_F(0x0a24c28c) /* 0.633974596 */, + MAD_F(0x0c9e69d1) /* 0.788675135 */, + MAD_F(0x10000000) /* 1.000000000 */ +}; + +/* + * coefficients for LSF intensity stereo processing + * derived from section 2.4.3.2 of ISO/IEC 13818-3 + * + * is_lsf_table[0][i] = (1 / sqrt(sqrt(2)))^(i + 1) + * is_lsf_table[1][i] = (1 / sqrt(2)) ^(i + 1) + */ +static +mad_fixed_t const is_lsf_table[2][15] = { + { + MAD_F(0x0d744fcd) /* 0.840896415 */, + MAD_F(0x0b504f33) /* 0.707106781 */, + MAD_F(0x09837f05) /* 0.594603558 */, + MAD_F(0x08000000) /* 0.500000000 */, + MAD_F(0x06ba27e6) /* 0.420448208 */, + MAD_F(0x05a8279a) /* 0.353553391 */, + MAD_F(0x04c1bf83) /* 0.297301779 */, + MAD_F(0x04000000) /* 0.250000000 */, + MAD_F(0x035d13f3) /* 0.210224104 */, + MAD_F(0x02d413cd) /* 0.176776695 */, + MAD_F(0x0260dfc1) /* 0.148650889 */, + MAD_F(0x02000000) /* 0.125000000 */, + MAD_F(0x01ae89fa) /* 0.105112052 */, + MAD_F(0x016a09e6) /* 0.088388348 */, + MAD_F(0x01306fe1) /* 0.074325445 */ + }, { + MAD_F(0x0b504f33) /* 0.707106781 */, + MAD_F(0x08000000) /* 0.500000000 */, + MAD_F(0x05a8279a) /* 0.353553391 */, + MAD_F(0x04000000) /* 0.250000000 */, + MAD_F(0x02d413cd) /* 0.176776695 */, + MAD_F(0x02000000) /* 0.125000000 */, + MAD_F(0x016a09e6) /* 0.088388348 */, + MAD_F(0x01000000) /* 0.062500000 */, + MAD_F(0x00b504f3) /* 0.044194174 */, + MAD_F(0x00800000) /* 0.031250000 */, + MAD_F(0x005a827a) /* 0.022097087 */, + MAD_F(0x00400000) /* 0.015625000 */, + MAD_F(0x002d413d) /* 0.011048543 */, + MAD_F(0x00200000) /* 0.007812500 */, + MAD_F(0x0016a09e) /* 0.005524272 */ + } +}; + +/* + * NAME: III_sideinfo() + * DESCRIPTION: decode frame side information from a bitstream + */ +static +enum mad_error III_sideinfo(struct mad_bitptr *ptr, unsigned int nch, + int lsf, struct sideinfo *si, + unsigned int *data_bitlen, + unsigned int *priv_bitlen) +{ + unsigned int ngr, gr, ch, i; + enum mad_error result = MAD_ERROR_NONE; + + *data_bitlen = 0; + *priv_bitlen = lsf ? ((nch == 1) ? 1 : 2) : ((nch == 1) ? 5 : 3); + + si->main_data_begin = mad_bit_read(ptr, lsf ? 8 : 9); + si->private_bits = mad_bit_read(ptr, *priv_bitlen); + + ngr = 1; + if (!lsf) { + ngr = 2; + + for (ch = 0; ch < nch; ++ch) { + si->scfsi[ch] = mad_bit_read(ptr, 4); + } + } + + for (gr = 0; gr < ngr; ++gr) { + struct granule *granule = &si->gr[gr]; + + for (ch = 0; ch < nch; ++ch) { + struct channel *channel = &granule->ch[ch]; + + channel->part2_3_length = mad_bit_read(ptr, 12); + channel->big_values = mad_bit_read(ptr, 9); + channel->global_gain = mad_bit_read(ptr, 8); + channel->scalefac_compress = mad_bit_read(ptr, lsf ? 9 : 4); + + *data_bitlen += channel->part2_3_length; + + if (channel->big_values > 288 && result == 0) { + result = MAD_ERROR_BADBIGVALUES; + } + + channel->flags = 0; + + /* window_switching_flag */ + if (mad_bit_read(ptr, 1)) { + channel->block_type = mad_bit_read(ptr, 2); + + if (channel->block_type == 0 && result == 0) { + result = MAD_ERROR_BADBLOCKTYPE; + } + + if (!lsf && channel->block_type == 2 && si->scfsi[ch] && result == 0) { + result = MAD_ERROR_BADSCFSI; + } + + channel->region0_count = 7; + channel->region1_count = 36; + + if (mad_bit_read(ptr, 1)) { + channel->flags |= mixed_block_flag; + } else if (channel->block_type == 2) { + channel->region0_count = 8; + } + + for (i = 0; i < 2; ++i) { + channel->table_select[i] = mad_bit_read(ptr, 5); + } + +# if defined(DEBUG) + channel->table_select[2] = 4; /* not used */ +# endif + + for (i = 0; i < 3; ++i) { + channel->subblock_gain[i] = mad_bit_read(ptr, 3); + } + } else { + channel->block_type = 0; + + for (i = 0; i < 3; ++i) { + channel->table_select[i] = mad_bit_read(ptr, 5); + } + + channel->region0_count = mad_bit_read(ptr, 4); + channel->region1_count = mad_bit_read(ptr, 3); + } + + /* [preflag,] scalefac_scale, count1table_select */ + channel->flags |= mad_bit_read(ptr, lsf ? 2 : 3); + } + } + + return result; +} + +/* + * NAME: III_scalefactors_lsf() + * DESCRIPTION: decode channel scalefactors for LSF from a bitstream + */ +static +unsigned int III_scalefactors_lsf(struct mad_bitptr *ptr, + struct channel *channel, + struct channel *gr1ch, int mode_extension) +{ + struct mad_bitptr start; + unsigned int scalefac_compress, index, slen[4], part, n, i; + unsigned char const *nsfb; + + start = *ptr; + + scalefac_compress = channel->scalefac_compress; + index = (channel->block_type == 2) ? + ((channel->flags & mixed_block_flag) ? 2 : 1) : 0; + + if (!((mode_extension & I_STEREO) && gr1ch)) { + if (scalefac_compress < 400) { + slen[0] = (scalefac_compress >> 4) / 5; + slen[1] = (scalefac_compress >> 4) % 5; + slen[2] = (scalefac_compress % 16) >> 2; + slen[3] = scalefac_compress % 4; + + nsfb = nsfb_table[0][index]; + } else if (scalefac_compress < 500) { + scalefac_compress -= 400; + + slen[0] = (scalefac_compress >> 2) / 5; + slen[1] = (scalefac_compress >> 2) % 5; + slen[2] = scalefac_compress % 4; + slen[3] = 0; + + nsfb = nsfb_table[1][index]; + } else { + scalefac_compress -= 500; + + slen[0] = scalefac_compress / 3; + slen[1] = scalefac_compress % 3; + slen[2] = 0; + slen[3] = 0; + + channel->flags |= preflag; + + nsfb = nsfb_table[2][index]; + } + + n = 0; + for (part = 0; part < 4; ++part) { + for (i = 0; i < nsfb[part]; ++i) { + channel->scalefac[n++] = mad_bit_read(ptr, slen[part]); + } + } + + while (n < 39) { + channel->scalefac[n++] = 0; + } + } else { /* (mode_extension & I_STEREO) && gr1ch (i.e. ch == 1) */ + scalefac_compress >>= 1; + + if (scalefac_compress < 180) { + slen[0] = scalefac_compress / 36; + slen[1] = (scalefac_compress % 36) / 6; + slen[2] = (scalefac_compress % 36) % 6; + slen[3] = 0; + + nsfb = nsfb_table[3][index]; + } else if (scalefac_compress < 244) { + scalefac_compress -= 180; + + slen[0] = (scalefac_compress % 64) >> 4; + slen[1] = (scalefac_compress % 16) >> 2; + slen[2] = scalefac_compress % 4; + slen[3] = 0; + + nsfb = nsfb_table[4][index]; + } else { + scalefac_compress -= 244; + + slen[0] = scalefac_compress / 3; + slen[1] = scalefac_compress % 3; + slen[2] = 0; + slen[3] = 0; + + nsfb = nsfb_table[5][index]; + } + + n = 0; + for (part = 0; part < 4; ++part) { + unsigned int max, is_pos; + + max = (1 << slen[part]) - 1; + + for (i = 0; i < nsfb[part]; ++i) { + is_pos = mad_bit_read(ptr, slen[part]); + + channel->scalefac[n] = is_pos; + gr1ch->scalefac[n++] = (is_pos == max); + } + } + + while (n < 39) { + channel->scalefac[n] = 0; + gr1ch->scalefac[n++] = 0; /* apparently not illegal */ + } + } + + return mad_bit_length(&start, ptr); +} + +/* + * NAME: III_scalefactors() + * DESCRIPTION: decode channel scalefactors of one granule from a bitstream + */ +static +unsigned int III_scalefactors(struct mad_bitptr *ptr, struct channel *channel, + struct channel const *gr0ch, unsigned int scfsi) +{ + struct mad_bitptr start; + unsigned int slen1, slen2, sfbi; + + start = *ptr; + + slen1 = sflen_table[channel->scalefac_compress].slen1; + slen2 = sflen_table[channel->scalefac_compress].slen2; + + if (channel->block_type == 2) { + unsigned int nsfb; + + sfbi = 0; + + nsfb = (channel->flags & mixed_block_flag) ? 8 + 3 * 3 : 6 * 3; + while (nsfb--) { + channel->scalefac[sfbi++] = mad_bit_read(ptr, slen1); + } + + nsfb = 6 * 3; + while (nsfb--) { + channel->scalefac[sfbi++] = mad_bit_read(ptr, slen2); + } + + nsfb = 1 * 3; + while (nsfb--) { + channel->scalefac[sfbi++] = 0; + } + } else { /* channel->block_type != 2 */ + if (scfsi & 0x8) { + for (sfbi = 0; sfbi < 6; ++sfbi) { + channel->scalefac[sfbi] = gr0ch->scalefac[sfbi]; + } + } else { + for (sfbi = 0; sfbi < 6; ++sfbi) { + channel->scalefac[sfbi] = mad_bit_read(ptr, slen1); + } + } + + if (scfsi & 0x4) { + for (sfbi = 6; sfbi < 11; ++sfbi) { + channel->scalefac[sfbi] = gr0ch->scalefac[sfbi]; + } + } else { + for (sfbi = 6; sfbi < 11; ++sfbi) { + channel->scalefac[sfbi] = mad_bit_read(ptr, slen1); + } + } + + if (scfsi & 0x2) { + for (sfbi = 11; sfbi < 16; ++sfbi) { + channel->scalefac[sfbi] = gr0ch->scalefac[sfbi]; + } + } else { + for (sfbi = 11; sfbi < 16; ++sfbi) { + channel->scalefac[sfbi] = mad_bit_read(ptr, slen2); + } + } + + if (scfsi & 0x1) { + for (sfbi = 16; sfbi < 21; ++sfbi) { + channel->scalefac[sfbi] = gr0ch->scalefac[sfbi]; + } + } else { + for (sfbi = 16; sfbi < 21; ++sfbi) { + channel->scalefac[sfbi] = mad_bit_read(ptr, slen2); + } + } + + channel->scalefac[21] = 0; + } + + return mad_bit_length(&start, ptr); +} + +/* + * The Layer III formula for requantization and scaling is defined by + * section 2.4.3.4.7.1 of ISO/IEC 11172-3, as follows: + * + * long blocks: + * xr[i] = sign(is[i]) * abs(is[i])^(4/3) * + * 2^((1/4) * (global_gain - 210)) * + * 2^-(scalefac_multiplier * + * (scalefac_l[sfb] + preflag * pretab[sfb])) + * + * short blocks: + * xr[i] = sign(is[i]) * abs(is[i])^(4/3) * + * 2^((1/4) * (global_gain - 210 - 8 * subblock_gain[w])) * + * 2^-(scalefac_multiplier * scalefac_s[sfb][w]) + * + * where: + * scalefac_multiplier = (scalefac_scale + 1) / 2 + * + * The routines III_exponents() and III_requantize() facilitate this + * calculation. + */ + +/* + * NAME: III_exponents() + * DESCRIPTION: calculate scalefactor exponents + */ +static +void III_exponents(struct channel const *channel, + unsigned char const *sfbwidth, signed int exponents[39]) +{ + signed int gain; + unsigned int scalefac_multiplier, sfbi; + + gain = (signed int) channel->global_gain - 210; + scalefac_multiplier = (channel->flags & scalefac_scale) ? 2 : 1; + + if (channel->block_type == 2) { + unsigned int l; + signed int gain0, gain1, gain2; + + sfbi = l = 0; + + if (channel->flags & mixed_block_flag) { + unsigned int premask; + + premask = (channel->flags & preflag) ? ~0 : 0; + + /* long block subbands 0-1 */ + + while (l < 36) { + exponents[sfbi] = gain - + (signed int)((channel->scalefac[sfbi] + (pretab[sfbi] & premask)) << + scalefac_multiplier); + + l += sfbwidth[sfbi++]; + } + } + + /* this is probably wrong for 8000 Hz short/mixed blocks */ + + gain0 = gain - 8 * (signed int) channel->subblock_gain[0]; + gain1 = gain - 8 * (signed int) channel->subblock_gain[1]; + gain2 = gain - 8 * (signed int) channel->subblock_gain[2]; + + while (l < 576) { + exponents[sfbi + 0] = gain0 - + (signed int)(channel->scalefac[sfbi + 0] << scalefac_multiplier); + exponents[sfbi + 1] = gain1 - + (signed int)(channel->scalefac[sfbi + 1] << scalefac_multiplier); + exponents[sfbi + 2] = gain2 - + (signed int)(channel->scalefac[sfbi + 2] << scalefac_multiplier); + + l += 3 * sfbwidth[sfbi]; + sfbi += 3; + } + } else { /* channel->block_type != 2 */ + if (channel->flags & preflag) { + for (sfbi = 0; sfbi < 22; ++sfbi) { + exponents[sfbi] = gain - + (signed int)((channel->scalefac[sfbi] + pretab[sfbi]) << + scalefac_multiplier); + } + } else { + for (sfbi = 0; sfbi < 22; ++sfbi) { + exponents[sfbi] = gain - + (signed int)(channel->scalefac[sfbi] << scalefac_multiplier); + } + } + } +} + +/* + * NAME: III_requantize() + * DESCRIPTION: requantize one (positive) value + */ +static +mad_fixed_t III_requantize(unsigned int value, signed int exp) +{ + mad_fixed_t requantized; + signed int frac; + struct fixedfloat const *power; + + frac = exp % 4; /* assumes sign(frac) == sign(exp) */ + exp /= 4; + + power = &rq_table[value]; + requantized = power->mantissa; + exp += power->exponent; + + if (exp < 0) { + if (-exp >= sizeof(mad_fixed_t) * CHAR_BIT) { + /* underflow */ + requantized = 0; + } else { + requantized += 1L << (-exp - 1); + requantized >>= -exp; + } + } else { + if (exp >= 5) { + /* overflow */ +# if defined(DEBUG) + fprintf(stderr, "requantize overflow (%f * 2^%d)\n", + mad_f_todouble(requantized), exp); +# endif + requantized = MAD_F_MAX; + } else { + requantized <<= exp; + } + } + + return frac ? mad_f_mul(requantized, root_table[3 + frac]) : requantized; +} + +/* we must take care that sz >= bits and sz < sizeof(long) lest bits == 0 */ +# define MASK(cache, sz, bits) \ + (((cache) >> ((sz) - (bits))) & ((1 << (bits)) - 1)) +# define MASK1BIT(cache, sz) \ + ((cache) & (1 << ((sz) - 1))) + +/* + * NAME: III_huffdecode() + * DESCRIPTION: decode Huffman code words of one channel of one granule + */ +static +enum mad_error III_huffdecode(struct mad_bitptr *ptr, mad_fixed_t xr[576], + struct channel *channel, + unsigned char const *sfbwidth, + unsigned int part2_length) +{ + signed int exponents[39], exp; + signed int const *expptr; + struct mad_bitptr peek; + signed int bits_left, cachesz; + register mad_fixed_t *xrptr; + mad_fixed_t const *sfbound; + register unsigned long bitcache; + + bits_left = (signed) channel->part2_3_length - (signed) part2_length; + if (bits_left < 0) { + return MAD_ERROR_BADPART3LEN; + } + + III_exponents(channel, sfbwidth, exponents); + + peek = *ptr; + mad_bit_skip(ptr, bits_left); + + /* align bit reads to byte boundaries */ + cachesz = mad_bit_bitsleft(&peek); + cachesz += ((32 - 1 - 24) + (24 - cachesz)) & ~7; + + bitcache = mad_bit_read(&peek, cachesz); + bits_left -= cachesz; + + xrptr = &xr[0]; + + /* big_values */ + { + unsigned int region, rcount; + struct hufftable const *entry; + union huffpair const *table; + unsigned int linbits, startbits, big_values, reqhits; + mad_fixed_t reqcache[16]; + + sfbound = xrptr + *sfbwidth++; + rcount = channel->region0_count + 1; + + entry = &mad_huff_pair_table[channel->table_select[region = 0]]; + table = entry->table; + linbits = entry->linbits; + startbits = entry->startbits; + + if (table == 0) { + return MAD_ERROR_BADHUFFTABLE; + } + + expptr = &exponents[0]; + exp = *expptr++; + reqhits = 0; + + big_values = channel->big_values; + + while (big_values-- && cachesz + bits_left > 0) { + union huffpair const *pair; + unsigned int clumpsz, value; + register mad_fixed_t requantized; + + if (xrptr == sfbound) { + sfbound += *sfbwidth++; + + /* change table if region boundary */ + + if (--rcount == 0) { + if (region == 0) { + rcount = channel->region1_count + 1; + } else { + rcount = 0; /* all remaining */ + } + + entry = &mad_huff_pair_table[channel->table_select[++region]]; + table = entry->table; + linbits = entry->linbits; + startbits = entry->startbits; + + if (table == 0) { + return MAD_ERROR_BADHUFFTABLE; + } + } + + if (exp != *expptr) { + exp = *expptr; + reqhits = 0; + } + + ++expptr; + } + + if (cachesz < 21) { + unsigned int bits; + + bits = ((32 - 1 - 21) + (21 - cachesz)) & ~7; + bitcache = (bitcache << bits) | mad_bit_read(&peek, bits); + cachesz += bits; + bits_left -= bits; + } + + /* hcod (0..19) */ + + clumpsz = startbits; + pair = &table[MASK(bitcache, cachesz, clumpsz)]; + + while (!pair->final) { + cachesz -= clumpsz; + + clumpsz = pair->ptr.bits; + pair = &table[pair->ptr.offset + MASK(bitcache, cachesz, clumpsz)]; + } + + cachesz -= pair->value.hlen; + + if (linbits) { + /* x (0..14) */ + + value = pair->value.x; + + switch (value) { + case 0: + xrptr[0] = 0; + break; + + case 15: + if (cachesz < linbits + 2) { + bitcache = (bitcache << 16) | mad_bit_read(&peek, 16); + cachesz += 16; + bits_left -= 16; + } + + value += MASK(bitcache, cachesz, linbits); + cachesz -= linbits; + + requantized = III_requantize(value, exp); + goto x_final; + + default: + if (reqhits & (1 << value)) { + requantized = reqcache[value]; + } else { + reqhits |= (1 << value); + requantized = reqcache[value] = III_requantize(value, exp); + } + +x_final: + xrptr[0] = MASK1BIT(bitcache, cachesz--) ? + -requantized : requantized; + } + + /* y (0..14) */ + + value = pair->value.y; + + switch (value) { + case 0: + xrptr[1] = 0; + break; + + case 15: + if (cachesz < linbits + 1) { + bitcache = (bitcache << 16) | mad_bit_read(&peek, 16); + cachesz += 16; + bits_left -= 16; + } + + value += MASK(bitcache, cachesz, linbits); + cachesz -= linbits; + + requantized = III_requantize(value, exp); + goto y_final; + + default: + if (reqhits & (1 << value)) { + requantized = reqcache[value]; + } else { + reqhits |= (1 << value); + requantized = reqcache[value] = III_requantize(value, exp); + } + +y_final: + xrptr[1] = MASK1BIT(bitcache, cachesz--) ? + -requantized : requantized; + } + } else { + /* x (0..1) */ + + value = pair->value.x; + + if (value == 0) { + xrptr[0] = 0; + } else { + if (reqhits & (1 << value)) { + requantized = reqcache[value]; + } else { + reqhits |= (1 << value); + requantized = reqcache[value] = III_requantize(value, exp); + } + + xrptr[0] = MASK1BIT(bitcache, cachesz--) ? + -requantized : requantized; + } + + /* y (0..1) */ + + value = pair->value.y; + + if (value == 0) { + xrptr[1] = 0; + } else { + if (reqhits & (1 << value)) { + requantized = reqcache[value]; + } else { + reqhits |= (1 << value); + requantized = reqcache[value] = III_requantize(value, exp); + } + + xrptr[1] = MASK1BIT(bitcache, cachesz--) ? + -requantized : requantized; + } + } + + xrptr += 2; + } + } + + if (cachesz + bits_left < 0) { + return MAD_ERROR_BADHUFFDATA; /* big_values overrun */ + } + + /* count1 */ + { + union huffquad const *table; + register mad_fixed_t requantized; + + table = mad_huff_quad_table[channel->flags & count1table_select]; + + requantized = III_requantize(1, exp); + + while (cachesz + bits_left > 0 && xrptr <= &xr[572]) { + union huffquad const *quad; + + /* hcod (1..6) */ + + if (cachesz < 10) { + bitcache = (bitcache << 16) | mad_bit_read(&peek, 16); + cachesz += 16; + bits_left -= 16; + } + + quad = &table[MASK(bitcache, cachesz, 4)]; + + /* quad tables guaranteed to have at most one extra lookup */ + if (!quad->final) { + cachesz -= 4; + + quad = &table[quad->ptr.offset + + MASK(bitcache, cachesz, quad->ptr.bits)]; + } + + cachesz -= quad->value.hlen; + + if (xrptr == sfbound) { + sfbound += *sfbwidth++; + + if (exp != *expptr) { + exp = *expptr; + requantized = III_requantize(1, exp); + } + + ++expptr; + } + + /* v (0..1) */ + + xrptr[0] = quad->value.v ? + (MASK1BIT(bitcache, cachesz--) ? -requantized : requantized) : 0; + + /* w (0..1) */ + + xrptr[1] = quad->value.w ? + (MASK1BIT(bitcache, cachesz--) ? -requantized : requantized) : 0; + + xrptr += 2; + + if (xrptr == sfbound) { + sfbound += *sfbwidth++; + + if (exp != *expptr) { + exp = *expptr; + requantized = III_requantize(1, exp); + } + + ++expptr; + } + + /* x (0..1) */ + + xrptr[0] = quad->value.x ? + (MASK1BIT(bitcache, cachesz--) ? -requantized : requantized) : 0; + + /* y (0..1) */ + + xrptr[1] = quad->value.y ? + (MASK1BIT(bitcache, cachesz--) ? -requantized : requantized) : 0; + + xrptr += 2; + } + + if (cachesz + bits_left < 0) { +# if 0 && defined(DEBUG) + fprintf(stderr, "huffman count1 overrun (%d bits)\n", + -(cachesz + bits_left)); +# endif + + /* technically the bitstream is misformatted, but apparently + some encoders are just a bit sloppy with stuffing bits */ + + xrptr -= 4; + } + } + + assert(-bits_left <= MAD_BUFFER_GUARD * CHAR_BIT); + +# if 0 && defined(DEBUG) + if (bits_left < 0) { + fprintf(stderr, "read %d bits too many\n", -bits_left); + } else if (cachesz + bits_left > 0) { + fprintf(stderr, "%d stuffing bits\n", cachesz + bits_left); + } +# endif + + /* rzero */ + while (xrptr < &xr[576]) { + xrptr[0] = 0; + xrptr[1] = 0; + + xrptr += 2; + } + + return MAD_ERROR_NONE; +} + +# undef MASK +# undef MASK1BIT + +/* + * NAME: III_reorder() + * DESCRIPTION: reorder frequency lines of a short block into subband order + */ +static +void III_reorder(mad_fixed_t xr[576], struct channel const *channel, + unsigned char const sfbwidth[39]) +{ + mad_fixed_t tmp[32][3][6]; + unsigned int sb, l, f, w, sbw[3], sw[3]; + + /* this is probably wrong for 8000 Hz mixed blocks */ + + sb = 0; + if (channel->flags & mixed_block_flag) { + sb = 2; + + l = 0; + while (l < 36) { + l += *sfbwidth++; + } + } + + for (w = 0; w < 3; ++w) { + sbw[w] = sb; + sw[w] = 0; + } + + f = *sfbwidth++; + w = 0; + + for (l = 18 * sb; l < 576; ++l) { + if (f-- == 0) { + f = *sfbwidth++ - 1; + w = (w + 1) % 3; + } + + tmp[sbw[w]][w][sw[w]++] = xr[l]; + + if (sw[w] == 6) { + sw[w] = 0; + ++sbw[w]; + } + } + + memcpy(&xr[18 * sb], &tmp[sb], (576 - 18 * sb) * sizeof(mad_fixed_t)); +} + +/* + * NAME: III_stereo() + * DESCRIPTION: perform joint stereo processing on a granule + */ +static +enum mad_error III_stereo(mad_fixed_t xr[2][576], + struct granule const *granule, + struct mad_header *header, + unsigned char const *sfbwidth) +{ + short modes[39]; + unsigned int sfbi, l, n, i; + + if (granule->ch[0].block_type != + granule->ch[1].block_type || + (granule->ch[0].flags & mixed_block_flag) != + (granule->ch[1].flags & mixed_block_flag)) { + return MAD_ERROR_BADSTEREO; + } + + for (i = 0; i < 39; ++i) { + modes[i] = header->mode_extension; + } + + /* intensity stereo */ + + if (header->mode_extension & I_STEREO) { + struct channel const *right_ch = &granule->ch[1]; + mad_fixed_t const *right_xr = xr[1]; + unsigned int is_pos; + + header->flags |= MAD_FLAG_I_STEREO; + + /* first determine which scalefactor bands are to be processed */ + + if (right_ch->block_type == 2) { + unsigned int lower, start, max, bound[3], w; + + lower = start = max = bound[0] = bound[1] = bound[2] = 0; + + sfbi = l = 0; + + if (right_ch->flags & mixed_block_flag) { + while (l < 36) { + n = sfbwidth[sfbi++]; + + for (i = 0; i < n; ++i) { + if (right_xr[i]) { + lower = sfbi; + break; + } + } + + right_xr += n; + l += n; + } + + start = sfbi; + } + + w = 0; + while (l < 576) { + n = sfbwidth[sfbi++]; + + for (i = 0; i < n; ++i) { + if (right_xr[i]) { + max = bound[w] = sfbi; + break; + } + } + + right_xr += n; + l += n; + w = (w + 1) % 3; + } + + if (max) { + lower = start; + } + + /* long blocks */ + + for (i = 0; i < lower; ++i) { + modes[i] = header->mode_extension & ~I_STEREO; + } + + /* short blocks */ + + w = 0; + for (i = start; i < max; ++i) { + if (i < bound[w]) { + modes[i] = header->mode_extension & ~I_STEREO; + } + + w = (w + 1) % 3; + } + } else { /* right_ch->block_type != 2 */ + unsigned int bound; + + bound = 0; + for (sfbi = l = 0; l < 576; l += n) { + n = sfbwidth[sfbi++]; + + for (i = 0; i < n; ++i) { + if (right_xr[i]) { + bound = sfbi; + break; + } + } + + right_xr += n; + } + + for (i = 0; i < bound; ++i) { + modes[i] = header->mode_extension & ~I_STEREO; + } + } + + /* now do the actual processing */ + + if (header->flags & MAD_FLAG_LSF_EXT) { + unsigned char const *illegal_pos = granule[1].ch[1].scalefac; + mad_fixed_t const *lsf_scale; + + /* intensity_scale */ + lsf_scale = is_lsf_table[right_ch->scalefac_compress & 0x1]; + + for (sfbi = l = 0; l < 576; ++sfbi, l += n) { + n = sfbwidth[sfbi]; + + if (!(modes[sfbi] & I_STEREO)) { + continue; + } + + if (illegal_pos[sfbi]) { + modes[sfbi] &= ~I_STEREO; + continue; + } + + is_pos = right_ch->scalefac[sfbi]; + + for (i = 0; i < n; ++i) { + register mad_fixed_t left; + + left = xr[0][l + i]; + + if (is_pos == 0) { + xr[1][l + i] = left; + } else { + register mad_fixed_t opposite; + + opposite = mad_f_mul(left, lsf_scale[(is_pos - 1) / 2]); + + if (is_pos & 1) { + xr[0][l + i] = opposite; + xr[1][l + i] = left; + } else { + xr[1][l + i] = opposite; + } + } + } + } + } else { /* !(header->flags & MAD_FLAG_LSF_EXT) */ + for (sfbi = l = 0; l < 576; ++sfbi, l += n) { + n = sfbwidth[sfbi]; + + if (!(modes[sfbi] & I_STEREO)) { + continue; + } + + is_pos = right_ch->scalefac[sfbi]; + + if (is_pos >= 7) { /* illegal intensity position */ + modes[sfbi] &= ~I_STEREO; + continue; + } + + for (i = 0; i < n; ++i) { + register mad_fixed_t left; + + left = xr[0][l + i]; + + xr[0][l + i] = mad_f_mul(left, is_table[ is_pos]); + xr[1][l + i] = mad_f_mul(left, is_table[6 - is_pos]); + } + } + } + } + + /* middle/side stereo */ + + if (header->mode_extension & MS_STEREO) { + register mad_fixed_t invsqrt2; + + header->flags |= MAD_FLAG_MS_STEREO; + + invsqrt2 = root_table[3 + -2]; + + for (sfbi = l = 0; l < 576; ++sfbi, l += n) { + n = sfbwidth[sfbi]; + + if (modes[sfbi] != MS_STEREO) { + continue; + } + + for (i = 0; i < n; ++i) { + register mad_fixed_t m, s; + + m = xr[0][l + i]; + s = xr[1][l + i]; + + xr[0][l + i] = mad_f_mul(m + s, invsqrt2); /* l = (m + s) / sqrt(2) */ + xr[1][l + i] = mad_f_mul(m - s, invsqrt2); /* r = (m - s) / sqrt(2) */ + } + } + } + + return MAD_ERROR_NONE; +} + +/* + * NAME: III_aliasreduce() + * DESCRIPTION: perform frequency line alias reduction + */ +static +void III_aliasreduce(mad_fixed_t xr[576], int lines) +{ + mad_fixed_t const *bound; + int i; + + bound = &xr[lines]; + for (xr += 18; xr < bound; xr += 18) { + for (i = 0; i < 8; ++i) { + register mad_fixed_t a, b; + register mad_fixed64hi_t hi; + register mad_fixed64lo_t lo; + + a = xr[-1 - i]; + b = xr[ i]; + +# if defined(ASO_ZEROCHECK) + if (a | b) { +# endif + MAD_F_ML0(hi, lo, a, cs[i]); + MAD_F_MLA(hi, lo, -b, ca[i]); + + xr[-1 - i] = MAD_F_MLZ(hi, lo); + + MAD_F_ML0(hi, lo, b, cs[i]); + MAD_F_MLA(hi, lo, a, ca[i]); + + xr[ i] = MAD_F_MLZ(hi, lo); +# if defined(ASO_ZEROCHECK) + } +# endif + } + } +} + +# if defined(ASO_IMDCT) +void III_imdct_l(mad_fixed_t const [18], mad_fixed_t [36], unsigned int); +# else +# if 1 +static +void fastsdct(mad_fixed_t const x[9], mad_fixed_t y[18]) +{ + mad_fixed_t a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12; + mad_fixed_t a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24, a25; + mad_fixed_t m0, m1, m2, m3, m4, m5, m6, m7; + + enum { + c0 = MAD_F(0x1f838b8d), /* 2 * cos( 1 * PI / 18) */ + c1 = MAD_F(0x1bb67ae8), /* 2 * cos( 3 * PI / 18) */ + c2 = MAD_F(0x18836fa3), /* 2 * cos( 4 * PI / 18) */ + c3 = MAD_F(0x1491b752), /* 2 * cos( 5 * PI / 18) */ + c4 = MAD_F(0x0af1d43a), /* 2 * cos( 7 * PI / 18) */ + c5 = MAD_F(0x058e86a0), /* 2 * cos( 8 * PI / 18) */ + c6 = -MAD_F(0x1e11f642) /* 2 * cos(16 * PI / 18) */ + }; + + a0 = x[3] + x[5]; + a1 = x[3] - x[5]; + a2 = x[6] + x[2]; + a3 = x[6] - x[2]; + a4 = x[1] + x[7]; + a5 = x[1] - x[7]; + a6 = x[8] + x[0]; + a7 = x[8] - x[0]; + + a8 = a0 + a2; + a9 = a0 - a2; + a10 = a0 - a6; + a11 = a2 - a6; + a12 = a8 + a6; + a13 = a1 - a3; + a14 = a13 + a7; + a15 = a3 + a7; + a16 = a1 - a7; + a17 = a1 + a3; + + m0 = mad_f_mul(a17, -c3); + m1 = mad_f_mul(a16, -c0); + m2 = mad_f_mul(a15, -c4); + m3 = mad_f_mul(a14, -c1); + m4 = mad_f_mul(a5, -c1); + m5 = mad_f_mul(a11, -c6); + m6 = mad_f_mul(a10, -c5); + m7 = mad_f_mul(a9, -c2); + + a18 = x[4] + a4; + a19 = 2 * x[4] - a4; + a20 = a19 + m5; + a21 = a19 - m5; + a22 = a19 + m6; + a23 = m4 + m2; + a24 = m4 - m2; + a25 = m4 + m1; + + /* output to every other slot for convenience */ + + y[ 0] = a18 + a12; + y[ 2] = m0 - a25; + y[ 4] = m7 - a20; + y[ 6] = m3; + y[ 8] = a21 - m6; + y[10] = a24 - m1; + y[12] = a12 - 2 * a18; + y[14] = a23 + m0; + y[16] = a22 + m7; +} + +static inline +void sdctII(mad_fixed_t const x[18], mad_fixed_t X[18]) +{ + mad_fixed_t tmp[9]; + int i; + + /* scale[i] = 2 * cos(PI * (2 * i + 1) / (2 * 18)) */ + static mad_fixed_t const scale[9] = { + MAD_F(0x1fe0d3b4), MAD_F(0x1ee8dd47), MAD_F(0x1d007930), + MAD_F(0x1a367e59), MAD_F(0x16a09e66), MAD_F(0x125abcf8), + MAD_F(0x0d8616bc), MAD_F(0x08483ee1), MAD_F(0x02c9fad7) + }; + + /* divide the 18-point SDCT-II into two 9-point SDCT-IIs */ + + /* even input butterfly */ + + for (i = 0; i < 9; i += 3) { + tmp[i + 0] = x[i + 0] + x[18 - (i + 0) - 1]; + tmp[i + 1] = x[i + 1] + x[18 - (i + 1) - 1]; + tmp[i + 2] = x[i + 2] + x[18 - (i + 2) - 1]; + } + + fastsdct(tmp, &X[0]); + + /* odd input butterfly and scaling */ + + for (i = 0; i < 9; i += 3) { + tmp[i + 0] = mad_f_mul(x[i + 0] - x[18 - (i + 0) - 1], scale[i + 0]); + tmp[i + 1] = mad_f_mul(x[i + 1] - x[18 - (i + 1) - 1], scale[i + 1]); + tmp[i + 2] = mad_f_mul(x[i + 2] - x[18 - (i + 2) - 1], scale[i + 2]); + } + + fastsdct(tmp, &X[1]); + + /* output accumulation */ + + for (i = 3; i < 18; i += 8) { + X[i + 0] -= X[(i + 0) - 2]; + X[i + 2] -= X[(i + 2) - 2]; + X[i + 4] -= X[(i + 4) - 2]; + X[i + 6] -= X[(i + 6) - 2]; + } +} + +static inline +void dctIV(mad_fixed_t const y[18], mad_fixed_t X[18]) +{ + mad_fixed_t tmp[18]; + int i; + + /* scale[i] = 2 * cos(PI * (2 * i + 1) / (4 * 18)) */ + static mad_fixed_t const scale[18] = { + MAD_F(0x1ff833fa), MAD_F(0x1fb9ea93), MAD_F(0x1f3dd120), + MAD_F(0x1e84d969), MAD_F(0x1d906bcf), MAD_F(0x1c62648b), + MAD_F(0x1afd100f), MAD_F(0x1963268b), MAD_F(0x1797c6a4), + MAD_F(0x159e6f5b), MAD_F(0x137af940), MAD_F(0x11318ef3), + MAD_F(0x0ec6a507), MAD_F(0x0c3ef153), MAD_F(0x099f61c5), + MAD_F(0x06ed12c5), MAD_F(0x042d4544), MAD_F(0x0165547c) + }; + + /* scaling */ + + for (i = 0; i < 18; i += 3) { + tmp[i + 0] = mad_f_mul(y[i + 0], scale[i + 0]); + tmp[i + 1] = mad_f_mul(y[i + 1], scale[i + 1]); + tmp[i + 2] = mad_f_mul(y[i + 2], scale[i + 2]); + } + + /* SDCT-II */ + + sdctII(tmp, X); + + /* scale reduction and output accumulation */ + + X[0] /= 2; + for (i = 1; i < 17; i += 4) { + X[i + 0] = X[i + 0] / 2 - X[(i + 0) - 1]; + X[i + 1] = X[i + 1] / 2 - X[(i + 1) - 1]; + X[i + 2] = X[i + 2] / 2 - X[(i + 2) - 1]; + X[i + 3] = X[i + 3] / 2 - X[(i + 3) - 1]; + } + X[17] = X[17] / 2 - X[16]; +} + +/* + * NAME: imdct36 + * DESCRIPTION: perform X[18]->x[36] IMDCT using Szu-Wei Lee's fast algorithm + */ +static inline +void imdct36(mad_fixed_t const x[18], mad_fixed_t y[36]) +{ + mad_fixed_t tmp[18]; + int i; + + /* DCT-IV */ + + dctIV(x, tmp); + + /* convert 18-point DCT-IV to 36-point IMDCT */ + + for (i = 0; i < 9; i += 3) { + y[i + 0] = tmp[9 + (i + 0)]; + y[i + 1] = tmp[9 + (i + 1)]; + y[i + 2] = tmp[9 + (i + 2)]; + } + for (i = 9; i < 27; i += 3) { + y[i + 0] = -tmp[36 - (9 + (i + 0)) - 1]; + y[i + 1] = -tmp[36 - (9 + (i + 1)) - 1]; + y[i + 2] = -tmp[36 - (9 + (i + 2)) - 1]; + } + for (i = 27; i < 36; i += 3) { + y[i + 0] = -tmp[(i + 0) - 27]; + y[i + 1] = -tmp[(i + 1) - 27]; + y[i + 2] = -tmp[(i + 2) - 27]; + } +} +# else +/* + * NAME: imdct36 + * DESCRIPTION: perform X[18]->x[36] IMDCT + */ +static inline +void imdct36(mad_fixed_t const X[18], mad_fixed_t x[36]) +{ + mad_fixed_t t0, t1, t2, t3, t4, t5, t6, t7; + mad_fixed_t t8, t9, t10, t11, t12, t13, t14, t15; + register mad_fixed64hi_t hi; + register mad_fixed64lo_t lo; + + MAD_F_ML0(hi, lo, X[4], MAD_F(0x0ec835e8)); + MAD_F_MLA(hi, lo, X[13], MAD_F(0x061f78aa)); + + t6 = MAD_F_MLZ(hi, lo); + + MAD_F_MLA(hi, lo, (t14 = X[1] - X[10]), -MAD_F(0x061f78aa)); + MAD_F_MLA(hi, lo, (t15 = X[7] + X[16]), -MAD_F(0x0ec835e8)); + + t0 = MAD_F_MLZ(hi, lo); + + MAD_F_MLA(hi, lo, (t8 = X[0] - X[11] - X[12]), MAD_F(0x0216a2a2)); + MAD_F_MLA(hi, lo, (t9 = X[2] - X[9] - X[14]), MAD_F(0x09bd7ca0)); + MAD_F_MLA(hi, lo, (t10 = X[3] - X[8] - X[15]), -MAD_F(0x0cb19346)); + MAD_F_MLA(hi, lo, (t11 = X[5] - X[6] - X[17]), -MAD_F(0x0fdcf549)); + + x[7] = MAD_F_MLZ(hi, lo); + x[10] = -x[7]; + + MAD_F_ML0(hi, lo, t8, -MAD_F(0x0cb19346)); + MAD_F_MLA(hi, lo, t9, MAD_F(0x0fdcf549)); + MAD_F_MLA(hi, lo, t10, MAD_F(0x0216a2a2)); + MAD_F_MLA(hi, lo, t11, -MAD_F(0x09bd7ca0)); + + x[19] = x[34] = MAD_F_MLZ(hi, lo) - t0; + + t12 = X[0] - X[3] + X[8] - X[11] - X[12] + X[15]; + t13 = X[2] + X[5] - X[6] - X[9] - X[14] - X[17]; + + MAD_F_ML0(hi, lo, t12, -MAD_F(0x0ec835e8)); + MAD_F_MLA(hi, lo, t13, MAD_F(0x061f78aa)); + + x[22] = x[31] = MAD_F_MLZ(hi, lo) + t0; + + MAD_F_ML0(hi, lo, X[1], -MAD_F(0x09bd7ca0)); + MAD_F_MLA(hi, lo, X[7], MAD_F(0x0216a2a2)); + MAD_F_MLA(hi, lo, X[10], -MAD_F(0x0fdcf549)); + MAD_F_MLA(hi, lo, X[16], MAD_F(0x0cb19346)); + + t1 = MAD_F_MLZ(hi, lo) + t6; + + MAD_F_ML0(hi, lo, X[0], MAD_F(0x03768962)); + MAD_F_MLA(hi, lo, X[2], MAD_F(0x0e313245)); + MAD_F_MLA(hi, lo, X[3], -MAD_F(0x0ffc19fd)); + MAD_F_MLA(hi, lo, X[5], -MAD_F(0x0acf37ad)); + MAD_F_MLA(hi, lo, X[6], MAD_F(0x04cfb0e2)); + MAD_F_MLA(hi, lo, X[8], -MAD_F(0x0898c779)); + MAD_F_MLA(hi, lo, X[9], MAD_F(0x0d7e8807)); + MAD_F_MLA(hi, lo, X[11], MAD_F(0x0f426cb5)); + MAD_F_MLA(hi, lo, X[12], -MAD_F(0x0bcbe352)); + MAD_F_MLA(hi, lo, X[14], MAD_F(0x00b2aa3e)); + MAD_F_MLA(hi, lo, X[15], -MAD_F(0x07635284)); + MAD_F_MLA(hi, lo, X[17], -MAD_F(0x0f9ee890)); + + x[6] = MAD_F_MLZ(hi, lo) + t1; + x[11] = -x[6]; + + MAD_F_ML0(hi, lo, X[0], -MAD_F(0x0f426cb5)); + MAD_F_MLA(hi, lo, X[2], -MAD_F(0x00b2aa3e)); + MAD_F_MLA(hi, lo, X[3], MAD_F(0x0898c779)); + MAD_F_MLA(hi, lo, X[5], MAD_F(0x0f9ee890)); + MAD_F_MLA(hi, lo, X[6], MAD_F(0x0acf37ad)); + MAD_F_MLA(hi, lo, X[8], -MAD_F(0x07635284)); + MAD_F_MLA(hi, lo, X[9], -MAD_F(0x0e313245)); + MAD_F_MLA(hi, lo, X[11], -MAD_F(0x0bcbe352)); + MAD_F_MLA(hi, lo, X[12], -MAD_F(0x03768962)); + MAD_F_MLA(hi, lo, X[14], MAD_F(0x0d7e8807)); + MAD_F_MLA(hi, lo, X[15], MAD_F(0x0ffc19fd)); + MAD_F_MLA(hi, lo, X[17], MAD_F(0x04cfb0e2)); + + x[23] = x[30] = MAD_F_MLZ(hi, lo) + t1; + + MAD_F_ML0(hi, lo, X[0], -MAD_F(0x0bcbe352)); + MAD_F_MLA(hi, lo, X[2], MAD_F(0x0d7e8807)); + MAD_F_MLA(hi, lo, X[3], -MAD_F(0x07635284)); + MAD_F_MLA(hi, lo, X[5], MAD_F(0x04cfb0e2)); + MAD_F_MLA(hi, lo, X[6], MAD_F(0x0f9ee890)); + MAD_F_MLA(hi, lo, X[8], -MAD_F(0x0ffc19fd)); + MAD_F_MLA(hi, lo, X[9], -MAD_F(0x00b2aa3e)); + MAD_F_MLA(hi, lo, X[11], MAD_F(0x03768962)); + MAD_F_MLA(hi, lo, X[12], -MAD_F(0x0f426cb5)); + MAD_F_MLA(hi, lo, X[14], MAD_F(0x0e313245)); + MAD_F_MLA(hi, lo, X[15], MAD_F(0x0898c779)); + MAD_F_MLA(hi, lo, X[17], -MAD_F(0x0acf37ad)); + + x[18] = x[35] = MAD_F_MLZ(hi, lo) - t1; + + MAD_F_ML0(hi, lo, X[4], MAD_F(0x061f78aa)); + MAD_F_MLA(hi, lo, X[13], -MAD_F(0x0ec835e8)); + + t7 = MAD_F_MLZ(hi, lo); + + MAD_F_MLA(hi, lo, X[1], -MAD_F(0x0cb19346)); + MAD_F_MLA(hi, lo, X[7], MAD_F(0x0fdcf549)); + MAD_F_MLA(hi, lo, X[10], MAD_F(0x0216a2a2)); + MAD_F_MLA(hi, lo, X[16], -MAD_F(0x09bd7ca0)); + + t2 = MAD_F_MLZ(hi, lo); + + MAD_F_MLA(hi, lo, X[0], MAD_F(0x04cfb0e2)); + MAD_F_MLA(hi, lo, X[2], MAD_F(0x0ffc19fd)); + MAD_F_MLA(hi, lo, X[3], -MAD_F(0x0d7e8807)); + MAD_F_MLA(hi, lo, X[5], MAD_F(0x03768962)); + MAD_F_MLA(hi, lo, X[6], -MAD_F(0x0bcbe352)); + MAD_F_MLA(hi, lo, X[8], -MAD_F(0x0e313245)); + MAD_F_MLA(hi, lo, X[9], MAD_F(0x07635284)); + MAD_F_MLA(hi, lo, X[11], -MAD_F(0x0acf37ad)); + MAD_F_MLA(hi, lo, X[12], MAD_F(0x0f9ee890)); + MAD_F_MLA(hi, lo, X[14], MAD_F(0x0898c779)); + MAD_F_MLA(hi, lo, X[15], MAD_F(0x00b2aa3e)); + MAD_F_MLA(hi, lo, X[17], MAD_F(0x0f426cb5)); + + x[5] = MAD_F_MLZ(hi, lo); + x[12] = -x[5]; + + MAD_F_ML0(hi, lo, X[0], MAD_F(0x0acf37ad)); + MAD_F_MLA(hi, lo, X[2], -MAD_F(0x0898c779)); + MAD_F_MLA(hi, lo, X[3], MAD_F(0x0e313245)); + MAD_F_MLA(hi, lo, X[5], -MAD_F(0x0f426cb5)); + MAD_F_MLA(hi, lo, X[6], -MAD_F(0x03768962)); + MAD_F_MLA(hi, lo, X[8], MAD_F(0x00b2aa3e)); + MAD_F_MLA(hi, lo, X[9], -MAD_F(0x0ffc19fd)); + MAD_F_MLA(hi, lo, X[11], MAD_F(0x0f9ee890)); + MAD_F_MLA(hi, lo, X[12], -MAD_F(0x04cfb0e2)); + MAD_F_MLA(hi, lo, X[14], MAD_F(0x07635284)); + MAD_F_MLA(hi, lo, X[15], MAD_F(0x0d7e8807)); + MAD_F_MLA(hi, lo, X[17], -MAD_F(0x0bcbe352)); + + x[0] = MAD_F_MLZ(hi, lo) + t2; + x[17] = -x[0]; + + MAD_F_ML0(hi, lo, X[0], -MAD_F(0x0f9ee890)); + MAD_F_MLA(hi, lo, X[2], -MAD_F(0x07635284)); + MAD_F_MLA(hi, lo, X[3], -MAD_F(0x00b2aa3e)); + MAD_F_MLA(hi, lo, X[5], MAD_F(0x0bcbe352)); + MAD_F_MLA(hi, lo, X[6], MAD_F(0x0f426cb5)); + MAD_F_MLA(hi, lo, X[8], MAD_F(0x0d7e8807)); + MAD_F_MLA(hi, lo, X[9], MAD_F(0x0898c779)); + MAD_F_MLA(hi, lo, X[11], -MAD_F(0x04cfb0e2)); + MAD_F_MLA(hi, lo, X[12], -MAD_F(0x0acf37ad)); + MAD_F_MLA(hi, lo, X[14], -MAD_F(0x0ffc19fd)); + MAD_F_MLA(hi, lo, X[15], -MAD_F(0x0e313245)); + MAD_F_MLA(hi, lo, X[17], -MAD_F(0x03768962)); + + x[24] = x[29] = MAD_F_MLZ(hi, lo) + t2; + + MAD_F_ML0(hi, lo, X[1], -MAD_F(0x0216a2a2)); + MAD_F_MLA(hi, lo, X[7], -MAD_F(0x09bd7ca0)); + MAD_F_MLA(hi, lo, X[10], MAD_F(0x0cb19346)); + MAD_F_MLA(hi, lo, X[16], MAD_F(0x0fdcf549)); + + t3 = MAD_F_MLZ(hi, lo) + t7; + + MAD_F_ML0(hi, lo, X[0], MAD_F(0x00b2aa3e)); + MAD_F_MLA(hi, lo, X[2], MAD_F(0x03768962)); + MAD_F_MLA(hi, lo, X[3], -MAD_F(0x04cfb0e2)); + MAD_F_MLA(hi, lo, X[5], -MAD_F(0x07635284)); + MAD_F_MLA(hi, lo, X[6], MAD_F(0x0898c779)); + MAD_F_MLA(hi, lo, X[8], MAD_F(0x0acf37ad)); + MAD_F_MLA(hi, lo, X[9], -MAD_F(0x0bcbe352)); + MAD_F_MLA(hi, lo, X[11], -MAD_F(0x0d7e8807)); + MAD_F_MLA(hi, lo, X[12], MAD_F(0x0e313245)); + MAD_F_MLA(hi, lo, X[14], MAD_F(0x0f426cb5)); + MAD_F_MLA(hi, lo, X[15], -MAD_F(0x0f9ee890)); + MAD_F_MLA(hi, lo, X[17], -MAD_F(0x0ffc19fd)); + + x[8] = MAD_F_MLZ(hi, lo) + t3; + x[9] = -x[8]; + + MAD_F_ML0(hi, lo, X[0], -MAD_F(0x0e313245)); + MAD_F_MLA(hi, lo, X[2], MAD_F(0x0bcbe352)); + MAD_F_MLA(hi, lo, X[3], MAD_F(0x0f9ee890)); + MAD_F_MLA(hi, lo, X[5], -MAD_F(0x0898c779)); + MAD_F_MLA(hi, lo, X[6], -MAD_F(0x0ffc19fd)); + MAD_F_MLA(hi, lo, X[8], MAD_F(0x04cfb0e2)); + MAD_F_MLA(hi, lo, X[9], MAD_F(0x0f426cb5)); + MAD_F_MLA(hi, lo, X[11], -MAD_F(0x00b2aa3e)); + MAD_F_MLA(hi, lo, X[12], -MAD_F(0x0d7e8807)); + MAD_F_MLA(hi, lo, X[14], -MAD_F(0x03768962)); + MAD_F_MLA(hi, lo, X[15], MAD_F(0x0acf37ad)); + MAD_F_MLA(hi, lo, X[17], MAD_F(0x07635284)); + + x[21] = x[32] = MAD_F_MLZ(hi, lo) + t3; + + MAD_F_ML0(hi, lo, X[0], -MAD_F(0x0d7e8807)); + MAD_F_MLA(hi, lo, X[2], MAD_F(0x0f426cb5)); + MAD_F_MLA(hi, lo, X[3], MAD_F(0x0acf37ad)); + MAD_F_MLA(hi, lo, X[5], -MAD_F(0x0ffc19fd)); + MAD_F_MLA(hi, lo, X[6], -MAD_F(0x07635284)); + MAD_F_MLA(hi, lo, X[8], MAD_F(0x0f9ee890)); + MAD_F_MLA(hi, lo, X[9], MAD_F(0x03768962)); + MAD_F_MLA(hi, lo, X[11], -MAD_F(0x0e313245)); + MAD_F_MLA(hi, lo, X[12], MAD_F(0x00b2aa3e)); + MAD_F_MLA(hi, lo, X[14], MAD_F(0x0bcbe352)); + MAD_F_MLA(hi, lo, X[15], -MAD_F(0x04cfb0e2)); + MAD_F_MLA(hi, lo, X[17], -MAD_F(0x0898c779)); + + x[20] = x[33] = MAD_F_MLZ(hi, lo) - t3; + + MAD_F_ML0(hi, lo, t14, -MAD_F(0x0ec835e8)); + MAD_F_MLA(hi, lo, t15, MAD_F(0x061f78aa)); + + t4 = MAD_F_MLZ(hi, lo) - t7; + + MAD_F_ML0(hi, lo, t12, MAD_F(0x061f78aa)); + MAD_F_MLA(hi, lo, t13, MAD_F(0x0ec835e8)); + + x[4] = MAD_F_MLZ(hi, lo) + t4; + x[13] = -x[4]; + + MAD_F_ML0(hi, lo, t8, MAD_F(0x09bd7ca0)); + MAD_F_MLA(hi, lo, t9, -MAD_F(0x0216a2a2)); + MAD_F_MLA(hi, lo, t10, MAD_F(0x0fdcf549)); + MAD_F_MLA(hi, lo, t11, -MAD_F(0x0cb19346)); + + x[1] = MAD_F_MLZ(hi, lo) + t4; + x[16] = -x[1]; + + MAD_F_ML0(hi, lo, t8, -MAD_F(0x0fdcf549)); + MAD_F_MLA(hi, lo, t9, -MAD_F(0x0cb19346)); + MAD_F_MLA(hi, lo, t10, -MAD_F(0x09bd7ca0)); + MAD_F_MLA(hi, lo, t11, -MAD_F(0x0216a2a2)); + + x[25] = x[28] = MAD_F_MLZ(hi, lo) + t4; + + MAD_F_ML0(hi, lo, X[1], -MAD_F(0x0fdcf549)); + MAD_F_MLA(hi, lo, X[7], -MAD_F(0x0cb19346)); + MAD_F_MLA(hi, lo, X[10], -MAD_F(0x09bd7ca0)); + MAD_F_MLA(hi, lo, X[16], -MAD_F(0x0216a2a2)); + + t5 = MAD_F_MLZ(hi, lo) - t6; + + MAD_F_ML0(hi, lo, X[0], MAD_F(0x0898c779)); + MAD_F_MLA(hi, lo, X[2], MAD_F(0x04cfb0e2)); + MAD_F_MLA(hi, lo, X[3], MAD_F(0x0bcbe352)); + MAD_F_MLA(hi, lo, X[5], MAD_F(0x00b2aa3e)); + MAD_F_MLA(hi, lo, X[6], MAD_F(0x0e313245)); + MAD_F_MLA(hi, lo, X[8], -MAD_F(0x03768962)); + MAD_F_MLA(hi, lo, X[9], MAD_F(0x0f9ee890)); + MAD_F_MLA(hi, lo, X[11], -MAD_F(0x07635284)); + MAD_F_MLA(hi, lo, X[12], MAD_F(0x0ffc19fd)); + MAD_F_MLA(hi, lo, X[14], -MAD_F(0x0acf37ad)); + MAD_F_MLA(hi, lo, X[15], MAD_F(0x0f426cb5)); + MAD_F_MLA(hi, lo, X[17], -MAD_F(0x0d7e8807)); + + x[2] = MAD_F_MLZ(hi, lo) + t5; + x[15] = -x[2]; + + MAD_F_ML0(hi, lo, X[0], MAD_F(0x07635284)); + MAD_F_MLA(hi, lo, X[2], MAD_F(0x0acf37ad)); + MAD_F_MLA(hi, lo, X[3], MAD_F(0x03768962)); + MAD_F_MLA(hi, lo, X[5], MAD_F(0x0d7e8807)); + MAD_F_MLA(hi, lo, X[6], -MAD_F(0x00b2aa3e)); + MAD_F_MLA(hi, lo, X[8], MAD_F(0x0f426cb5)); + MAD_F_MLA(hi, lo, X[9], -MAD_F(0x04cfb0e2)); + MAD_F_MLA(hi, lo, X[11], MAD_F(0x0ffc19fd)); + MAD_F_MLA(hi, lo, X[12], -MAD_F(0x0898c779)); + MAD_F_MLA(hi, lo, X[14], MAD_F(0x0f9ee890)); + MAD_F_MLA(hi, lo, X[15], -MAD_F(0x0bcbe352)); + MAD_F_MLA(hi, lo, X[17], MAD_F(0x0e313245)); + + x[3] = MAD_F_MLZ(hi, lo) + t5; + x[14] = -x[3]; + + MAD_F_ML0(hi, lo, X[0], -MAD_F(0x0ffc19fd)); + MAD_F_MLA(hi, lo, X[2], -MAD_F(0x0f9ee890)); + MAD_F_MLA(hi, lo, X[3], -MAD_F(0x0f426cb5)); + MAD_F_MLA(hi, lo, X[5], -MAD_F(0x0e313245)); + MAD_F_MLA(hi, lo, X[6], -MAD_F(0x0d7e8807)); + MAD_F_MLA(hi, lo, X[8], -MAD_F(0x0bcbe352)); + MAD_F_MLA(hi, lo, X[9], -MAD_F(0x0acf37ad)); + MAD_F_MLA(hi, lo, X[11], -MAD_F(0x0898c779)); + MAD_F_MLA(hi, lo, X[12], -MAD_F(0x07635284)); + MAD_F_MLA(hi, lo, X[14], -MAD_F(0x04cfb0e2)); + MAD_F_MLA(hi, lo, X[15], -MAD_F(0x03768962)); + MAD_F_MLA(hi, lo, X[17], -MAD_F(0x00b2aa3e)); + + x[26] = x[27] = MAD_F_MLZ(hi, lo) + t5; +} +# endif + +/* + * NAME: III_imdct_l() + * DESCRIPTION: perform IMDCT and windowing for long blocks + */ +static +void III_imdct_l(mad_fixed_t const X[18], mad_fixed_t z[36], + unsigned int block_type) +{ + unsigned int i; + + /* IMDCT */ + + imdct36(X, z); + + /* windowing */ + + switch (block_type) { + case 0: /* normal window */ +# if defined(ASO_INTERLEAVE1) + { + register mad_fixed_t tmp1, tmp2; + + tmp1 = window_l[0]; + tmp2 = window_l[1]; + + for (i = 0; i < 34; i += 2) { + z[i + 0] = mad_f_mul(z[i + 0], tmp1); + tmp1 = window_l[i + 2]; + z[i + 1] = mad_f_mul(z[i + 1], tmp2); + tmp2 = window_l[i + 3]; + } + + z[34] = mad_f_mul(z[34], tmp1); + z[35] = mad_f_mul(z[35], tmp2); + } +# elif defined(ASO_INTERLEAVE2) + { + register mad_fixed_t tmp1, tmp2; + + tmp1 = z[0]; + tmp2 = window_l[0]; + + for (i = 0; i < 35; ++i) { + z[i] = mad_f_mul(tmp1, tmp2); + tmp1 = z[i + 1]; + tmp2 = window_l[i + 1]; + } + + z[35] = mad_f_mul(tmp1, tmp2); + } +# elif 1 + for (i = 0; i < 36; i += 4) { + z[i + 0] = mad_f_mul(z[i + 0], window_l[i + 0]); + z[i + 1] = mad_f_mul(z[i + 1], window_l[i + 1]); + z[i + 2] = mad_f_mul(z[i + 2], window_l[i + 2]); + z[i + 3] = mad_f_mul(z[i + 3], window_l[i + 3]); + } +# else + for (i = 0; i < 36; ++i) { + z[i] = mad_f_mul(z[i], window_l[i]); + } +# endif + break; + + case 1: /* start block */ + for (i = 0; i < 18; i += 3) { + z[i + 0] = mad_f_mul(z[i + 0], window_l[i + 0]); + z[i + 1] = mad_f_mul(z[i + 1], window_l[i + 1]); + z[i + 2] = mad_f_mul(z[i + 2], window_l[i + 2]); + } + /* (i = 18; i < 24; ++i) z[i] unchanged */ + for (i = 24; i < 30; ++i) { + z[i] = mad_f_mul(z[i], window_s[i - 18]); + } + for (i = 30; i < 36; ++i) { + z[i] = 0; + } + break; + + case 3: /* stop block */ + for (i = 0; i < 6; ++i) { + z[i] = 0; + } + for (i = 6; i < 12; ++i) { + z[i] = mad_f_mul(z[i], window_s[i - 6]); + } + /* (i = 12; i < 18; ++i) z[i] unchanged */ + for (i = 18; i < 36; i += 3) { + z[i + 0] = mad_f_mul(z[i + 0], window_l[i + 0]); + z[i + 1] = mad_f_mul(z[i + 1], window_l[i + 1]); + z[i + 2] = mad_f_mul(z[i + 2], window_l[i + 2]); + } + break; + } +} +# endif /* ASO_IMDCT */ + +/* + * NAME: III_imdct_s() + * DESCRIPTION: perform IMDCT and windowing for short blocks + */ +static +void III_imdct_s(mad_fixed_t const X[18], mad_fixed_t z[36]) +{ + mad_fixed_t y[36], *yptr; + mad_fixed_t const *wptr; + int w, i; + register mad_fixed64hi_t hi; + register mad_fixed64lo_t lo; + + /* IMDCT */ + + yptr = &y[0]; + + for (w = 0; w < 3; ++w) { + register mad_fixed_t const(*s)[6]; + + s = imdct_s; + + for (i = 0; i < 3; ++i) { + MAD_F_ML0(hi, lo, X[0], (*s)[0]); + MAD_F_MLA(hi, lo, X[1], (*s)[1]); + MAD_F_MLA(hi, lo, X[2], (*s)[2]); + MAD_F_MLA(hi, lo, X[3], (*s)[3]); + MAD_F_MLA(hi, lo, X[4], (*s)[4]); + MAD_F_MLA(hi, lo, X[5], (*s)[5]); + + yptr[i + 0] = MAD_F_MLZ(hi, lo); + yptr[5 - i] = -yptr[i + 0]; + + ++s; + + MAD_F_ML0(hi, lo, X[0], (*s)[0]); + MAD_F_MLA(hi, lo, X[1], (*s)[1]); + MAD_F_MLA(hi, lo, X[2], (*s)[2]); + MAD_F_MLA(hi, lo, X[3], (*s)[3]); + MAD_F_MLA(hi, lo, X[4], (*s)[4]); + MAD_F_MLA(hi, lo, X[5], (*s)[5]); + + yptr[ i + 6] = MAD_F_MLZ(hi, lo); + yptr[11 - i] = yptr[i + 6]; + + ++s; + } + + yptr += 12; + X += 6; + } + + /* windowing, overlapping and concatenation */ + + yptr = &y[0]; + wptr = &window_s[0]; + + for (i = 0; i < 6; ++i) { + z[i + 0] = 0; + z[i + 6] = mad_f_mul(yptr[ 0 + 0], wptr[0]); + + MAD_F_ML0(hi, lo, yptr[ 0 + 6], wptr[6]); + MAD_F_MLA(hi, lo, yptr[12 + 0], wptr[0]); + + z[i + 12] = MAD_F_MLZ(hi, lo); + + MAD_F_ML0(hi, lo, yptr[12 + 6], wptr[6]); + MAD_F_MLA(hi, lo, yptr[24 + 0], wptr[0]); + + z[i + 18] = MAD_F_MLZ(hi, lo); + + z[i + 24] = mad_f_mul(yptr[24 + 6], wptr[6]); + z[i + 30] = 0; + + ++yptr; + ++wptr; + } +} + +/* + * NAME: III_overlap() + * DESCRIPTION: perform overlap-add of windowed IMDCT outputs + */ +static +void III_overlap(mad_fixed_t const output[36], mad_fixed_t overlap[18], + mad_fixed_t sample[18][32], unsigned int sb) +{ + unsigned int i; + +# if defined(ASO_INTERLEAVE2) + { + register mad_fixed_t tmp1, tmp2; + + tmp1 = overlap[0]; + tmp2 = overlap[1]; + + for (i = 0; i < 16; i += 2) { + sample[i + 0][sb] = output[i + 0 + 0] + tmp1; + overlap[i + 0] = output[i + 0 + 18]; + tmp1 = overlap[i + 2]; + + sample[i + 1][sb] = output[i + 1 + 0] + tmp2; + overlap[i + 1] = output[i + 1 + 18]; + tmp2 = overlap[i + 3]; + } + + sample[16][sb] = output[16 + 0] + tmp1; + overlap[16] = output[16 + 18]; + sample[17][sb] = output[17 + 0] + tmp2; + overlap[17] = output[17 + 18]; + } +# elif 0 + for (i = 0; i < 18; i += 2) { + sample[i + 0][sb] = output[i + 0 + 0] + overlap[i + 0]; + overlap[i + 0] = output[i + 0 + 18]; + + sample[i + 1][sb] = output[i + 1 + 0] + overlap[i + 1]; + overlap[i + 1] = output[i + 1 + 18]; + } +# else + for (i = 0; i < 18; ++i) { + sample[i][sb] = output[i + 0] + overlap[i]; + overlap[i] = output[i + 18]; + } +# endif +} + +/* + * NAME: III_overlap_z() + * DESCRIPTION: perform "overlap-add" of zero IMDCT outputs + */ +static inline +void III_overlap_z(mad_fixed_t overlap[18], + mad_fixed_t sample[18][32], unsigned int sb) +{ + unsigned int i; + +# if defined(ASO_INTERLEAVE2) + { + register mad_fixed_t tmp1, tmp2; + + tmp1 = overlap[0]; + tmp2 = overlap[1]; + + for (i = 0; i < 16; i += 2) { + sample[i + 0][sb] = tmp1; + overlap[i + 0] = 0; + tmp1 = overlap[i + 2]; + + sample[i + 1][sb] = tmp2; + overlap[i + 1] = 0; + tmp2 = overlap[i + 3]; + } + + sample[16][sb] = tmp1; + overlap[16] = 0; + sample[17][sb] = tmp2; + overlap[17] = 0; + } +# else + for (i = 0; i < 18; ++i) { + sample[i][sb] = overlap[i]; + overlap[i] = 0; + } +# endif +} + +/* + * NAME: III_freqinver() + * DESCRIPTION: perform subband frequency inversion for odd sample lines + */ +static +void III_freqinver(mad_fixed_t sample[18][32], unsigned int sb) +{ + unsigned int i; + +# if 1 || defined(ASO_INTERLEAVE1) || defined(ASO_INTERLEAVE2) + { + register mad_fixed_t tmp1, tmp2; + + tmp1 = sample[1][sb]; + tmp2 = sample[3][sb]; + + for (i = 1; i < 13; i += 4) { + sample[i + 0][sb] = -tmp1; + tmp1 = sample[i + 4][sb]; + sample[i + 2][sb] = -tmp2; + tmp2 = sample[i + 6][sb]; + } + + sample[13][sb] = -tmp1; + tmp1 = sample[17][sb]; + sample[15][sb] = -tmp2; + sample[17][sb] = -tmp1; + } +# else + for (i = 1; i < 18; i += 2) { + sample[i][sb] = -sample[i][sb]; + } +# endif +} + +/* + * NAME: III_decode() + * DESCRIPTION: decode frame main_data + */ +static +enum mad_error III_decode(struct mad_bitptr *ptr, struct mad_frame *frame, + struct sideinfo *si, unsigned int nch) +{ + struct mad_header *header = &frame->header; + unsigned int sfreqi, ngr, gr; + + { + unsigned int sfreq; + + sfreq = header->samplerate; + if (header->flags & MAD_FLAG_MPEG_2_5_EXT) { + sfreq *= 2; + } + + /* 48000 => 0, 44100 => 1, 32000 => 2, + 24000 => 3, 22050 => 4, 16000 => 5 */ + sfreqi = ((sfreq >> 7) & 0x000f) + + ((sfreq >> 15) & 0x0001) - 8; + + if (header->flags & MAD_FLAG_MPEG_2_5_EXT) { + sfreqi += 3; + } + } + + /* scalefactors, Huffman decoding, requantization */ + + ngr = (header->flags & MAD_FLAG_LSF_EXT) ? 1 : 2; + + for (gr = 0; gr < ngr; ++gr) { + struct granule *granule = &si->gr[gr]; + unsigned char const *sfbwidth[2]; + mad_fixed_t xr[2][576]; + unsigned int ch; + enum mad_error error; + + for (ch = 0; ch < nch; ++ch) { + struct channel *channel = &granule->ch[ch]; + unsigned int part2_length; + + sfbwidth[ch] = sfbwidth_table[sfreqi].l; + if (channel->block_type == 2) { + sfbwidth[ch] = (channel->flags & mixed_block_flag) ? + sfbwidth_table[sfreqi].m : sfbwidth_table[sfreqi].s; + } + + if (header->flags & MAD_FLAG_LSF_EXT) { + part2_length = III_scalefactors_lsf(ptr, channel, + ch == 0 ? 0 : &si->gr[1].ch[1], + header->mode_extension); + } else { + part2_length = III_scalefactors(ptr, channel, &si->gr[0].ch[ch], + gr == 0 ? 0 : si->scfsi[ch]); + } + + error = III_huffdecode(ptr, xr[ch], channel, sfbwidth[ch], part2_length); + if (error) { + return error; + } + } + + /* joint stereo processing */ + + if (header->mode == MAD_MODE_JOINT_STEREO && header->mode_extension) { + error = III_stereo(xr, granule, header, sfbwidth[0]); + if (error) { + return error; + } + } + + /* reordering, alias reduction, IMDCT, overlap-add, frequency inversion */ + + for (ch = 0; ch < nch; ++ch) { + struct channel const *channel = &granule->ch[ch]; + mad_fixed_t (*sample)[32] = &frame->sbsample[ch][18 * gr]; + unsigned int sb, l, i, sblimit; + mad_fixed_t output[36]; + + if (channel->block_type == 2) { + III_reorder(xr[ch], channel, sfbwidth[ch]); + +# if !defined(OPT_STRICT) + /* + * According to ISO/IEC 11172-3, "Alias reduction is not applied for + * granules with block_type == 2 (short block)." However, other + * sources suggest alias reduction should indeed be performed on the + * lower two subbands of mixed blocks. Most other implementations do + * this, so by default we will too. + */ + if (channel->flags & mixed_block_flag) { + III_aliasreduce(xr[ch], 36); + } +# endif + } else { + III_aliasreduce(xr[ch], 576); + } + + l = 0; + + /* subbands 0-1 */ + + if (channel->block_type != 2 || (channel->flags & mixed_block_flag)) { + unsigned int block_type; + + block_type = channel->block_type; + if (channel->flags & mixed_block_flag) { + block_type = 0; + } + + /* long blocks */ + for (sb = 0; sb < 2; ++sb, l += 18) { + III_imdct_l(&xr[ch][l], output, block_type); + III_overlap(output, (*frame->overlap)[ch][sb], sample, sb); + } + } else { + /* short blocks */ + for (sb = 0; sb < 2; ++sb, l += 18) { + III_imdct_s(&xr[ch][l], output); + III_overlap(output, (*frame->overlap)[ch][sb], sample, sb); + } + } + + III_freqinver(sample, 1); + + /* (nonzero) subbands 2-31 */ + + i = 576; + while (i > 36 && xr[ch][i - 1] == 0) { + --i; + } + + sblimit = 32 - (576 - i) / 18; + + if (channel->block_type != 2) { + /* long blocks */ + for (sb = 2; sb < sblimit; ++sb, l += 18) { + III_imdct_l(&xr[ch][l], output, channel->block_type); + III_overlap(output, (*frame->overlap)[ch][sb], sample, sb); + + if (sb & 1) { + III_freqinver(sample, sb); + } + } + } else { + /* short blocks */ + for (sb = 2; sb < sblimit; ++sb, l += 18) { + III_imdct_s(&xr[ch][l], output); + III_overlap(output, (*frame->overlap)[ch][sb], sample, sb); + + if (sb & 1) { + III_freqinver(sample, sb); + } + } + } + + /* remaining (zero) subbands */ + + for (sb = sblimit; sb < 32; ++sb) { + III_overlap_z((*frame->overlap)[ch][sb], sample, sb); + + if (sb & 1) { + III_freqinver(sample, sb); + } + } + } + } + + return MAD_ERROR_NONE; +} + +/* + * NAME: layer->III() + * DESCRIPTION: decode a single Layer III frame + */ + +int mad_layer_III(struct mad_stream *stream, struct mad_frame *frame) +{ + struct mad_header *header = &frame->header; + unsigned int nch, priv_bitlen, next_md_begin = 0; + unsigned int si_len, data_bitlen, md_len; + unsigned int frame_space, frame_used, frame_free; + struct mad_bitptr ptr; + struct sideinfo si; + enum mad_error error; + int result = 0; + + /* allocate Layer III dynamic structures */ + + if (stream->main_data == 0) { + stream->main_data = malloc(MAD_BUFFER_MDLEN); + if (stream->main_data == 0) { + stream->error = MAD_ERROR_NOMEM; + return -1; + } + } + + if (frame->overlap == 0) { + frame->overlap = calloc(2 * 32 * 18, sizeof(mad_fixed_t)); + if (frame->overlap == 0) { + stream->error = MAD_ERROR_NOMEM; + return -1; + } + } + + nch = MAD_NCHANNELS(header); + si_len = (header->flags & MAD_FLAG_LSF_EXT) ? + (nch == 1 ? 9 : 17) : (nch == 1 ? 17 : 32); + + /* check frame sanity */ + + if (stream->next_frame - mad_bit_nextbyte(&stream->ptr) < + (signed int) si_len) { + stream->error = MAD_ERROR_BADFRAMELEN; + stream->md_len = 0; + return -1; + } + + /* check CRC word */ + + if (header->flags & MAD_FLAG_PROTECTION) { + header->crc_check = + mad_bit_crc(stream->ptr, si_len * CHAR_BIT, header->crc_check); + + if (header->crc_check != header->crc_target && + !(frame->options & MAD_OPTION_IGNORECRC)) { + stream->error = MAD_ERROR_BADCRC; + result = -1; + } + } + + /* decode frame side information */ + + error = III_sideinfo(&stream->ptr, nch, header->flags & MAD_FLAG_LSF_EXT, + &si, &data_bitlen, &priv_bitlen); + if (error && result == 0) { + stream->error = error; + result = -1; + } + + header->flags |= priv_bitlen; + header->private_bits |= si.private_bits; + + /* find main_data of next frame */ + + { + struct mad_bitptr peek; + unsigned long header; + + mad_bit_init(&peek, stream->next_frame); + + header = mad_bit_read(&peek, 32); + if ((header & 0xffe60000L) /* syncword | layer */ == 0xffe20000L) { + if (!(header & 0x00010000L)) { /* protection_bit */ + mad_bit_skip(&peek, 16); /* crc_check */ + } + + next_md_begin = + mad_bit_read(&peek, (header & 0x00080000L) /* ID */ ? 9 : 8); + } + + mad_bit_finish(&peek); + } + + /* find main_data of this frame */ + + frame_space = stream->next_frame - mad_bit_nextbyte(&stream->ptr); + + if (next_md_begin > si.main_data_begin + frame_space) { + next_md_begin = 0; + } + + md_len = si.main_data_begin + frame_space - next_md_begin; + + frame_used = 0; + + if (si.main_data_begin == 0) { + ptr = stream->ptr; + stream->md_len = 0; + + frame_used = md_len; + } else { + if (si.main_data_begin > stream->md_len) { + if (result == 0) { + stream->error = MAD_ERROR_BADDATAPTR; + result = -1; + } + } else { + mad_bit_init(&ptr, + *stream->main_data + stream->md_len - si.main_data_begin); + + if (md_len > si.main_data_begin) { + assert(stream->md_len + md_len - + si.main_data_begin <= MAD_BUFFER_MDLEN); + + memcpy(*stream->main_data + stream->md_len, + mad_bit_nextbyte(&stream->ptr), + frame_used = md_len - si.main_data_begin); + stream->md_len += frame_used; + } + } + } + + frame_free = frame_space - frame_used; + + /* decode main_data */ + + if (result == 0) { + error = III_decode(&ptr, frame, &si, nch); + if (error) { + stream->error = error; + result = -1; + } + + /* designate ancillary bits */ + + stream->anc_ptr = ptr; + stream->anc_bitlen = md_len * CHAR_BIT - data_bitlen; + } + +# if 0 && defined(DEBUG) + fprintf(stderr, + "main_data_begin:%u, md_len:%u, frame_free:%u, " + "data_bitlen:%u, anc_bitlen: %u\n", + si.main_data_begin, md_len, frame_free, + data_bitlen, stream->anc_bitlen); +# endif + + /* preload main_data buffer with up to 511 bytes for next frame(s) */ + + if (frame_free >= next_md_begin) { + memcpy(*stream->main_data, + stream->next_frame - next_md_begin, next_md_begin); + stream->md_len = next_md_begin; + } else { + if (md_len < si.main_data_begin) { + unsigned int extra; + + extra = si.main_data_begin - md_len; + if (extra + frame_free > next_md_begin) { + extra = next_md_begin - frame_free; + } + + if (extra < stream->md_len) { + memmove(*stream->main_data, + *stream->main_data + stream->md_len - extra, extra); + stream->md_len = extra; + } + } else { + stream->md_len = 0; + } + + memcpy(*stream->main_data + stream->md_len, + stream->next_frame - frame_free, frame_free); + stream->md_len += frame_free; + } + + return result; +} diff --git a/audio_codec/libmad/layer3.h b/audio_codec/libmad/layer3.h new file mode 100755 index 0000000..2504d46 --- a/dev/null +++ b/audio_codec/libmad/layer3.h @@ -0,0 +1,30 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: layer3.h,v 1.10 2004/01/23 09:41:32 rob Exp $ + */ + +# ifndef LIBMAD_LAYER3_H +# define LIBMAD_LAYER3_H + +# include "stream.h" +# include "frame.h" + +int mad_layer_III(struct mad_stream *, struct mad_frame *); + +# endif diff --git a/audio_codec/libmad/mad.h b/audio_codec/libmad/mad.h new file mode 100644 index 0000000..c7d373a --- a/dev/null +++ b/audio_codec/libmad/mad.h @@ -0,0 +1,966 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * If you would like to negotiate alternate licensing terms, you may do + * so by contacting: Underbit Technologies, Inc. + */ + +# ifdef __cplusplus +extern "C" { +# endif + +# define FPM_INTEL + + + +# define SIZEOF_INT 4 +# define SIZEOF_LONG 4 +# define SIZEOF_LONG_LONG 8 + + + /* Id: version.h,v 1.26 2004/01/23 09:41:33 rob Exp */ + +# ifndef LIBMAD_VERSION_H +# define LIBMAD_VERSION_H + +# define MAD_VERSION_MAJOR 0 +# define MAD_VERSION_MINOR 15 +# define MAD_VERSION_PATCH 1 +# define MAD_VERSION_EXTRA " (beta)" + +# define MAD_VERSION_STRINGIZE(str) #str +# define MAD_VERSION_STRING(num) MAD_VERSION_STRINGIZE(num) + +# define MAD_VERSION MAD_VERSION_STRING(MAD_VERSION_MAJOR) "." \ + MAD_VERSION_STRING(MAD_VERSION_MINOR) "." \ + MAD_VERSION_STRING(MAD_VERSION_PATCH) \ + MAD_VERSION_EXTRA + +# define MAD_PUBLISHYEAR "2000-2004" +# define MAD_AUTHOR "Underbit Technologies, Inc." +# define MAD_EMAIL "info@underbit.com" + + extern char const mad_version[]; + extern char const mad_copyright[]; + extern char const mad_author[]; + extern char const mad_build[]; + +# endif + + /* Id: fixed.h,v 1.38 2004/02/17 02:02:03 rob Exp */ + +# ifndef LIBMAD_FIXED_H +# define LIBMAD_FIXED_H + +# if SIZEOF_INT >= 4 + typedef signed int mad_fixed_t; + + typedef signed int mad_fixed64hi_t; + typedef unsigned int mad_fixed64lo_t; +# else + typedef signed long mad_fixed_t; + + typedef signed long mad_fixed64hi_t; + typedef unsigned long mad_fixed64lo_t; +# endif + +# if defined(_MSC_VER) +# define mad_fixed64_t signed __int64 +# elif 1 || defined(__GNUC__) +# define mad_fixed64_t signed long long +# endif + +# if defined(FPM_FLOAT) + typedef double mad_sample_t; +# else + typedef mad_fixed_t mad_sample_t; +# endif + + /* + * Fixed-point format: 0xABBBBBBB + * A == whole part (sign + 3 bits) + * B == fractional part (28 bits) + * + * Values are signed two's complement, so the effective range is: + * 0x80000000 to 0x7fffffff + * -8.0 to +7.9999999962747097015380859375 + * + * The smallest representable value is: + * 0x00000001 == 0.0000000037252902984619140625 (i.e. about 3.725e-9) + * + * 28 bits of fractional accuracy represent about + * 8.6 digits of decimal accuracy. + * + * Fixed-point numbers can be added or subtracted as normal + * integers, but multiplication requires shifting the 64-bit result + * from 56 fractional bits back to 28 (and rounding.) + * + * Changing the definition of MAD_F_FRACBITS is only partially + * supported, and must be done with care. + */ + +# define MAD_F_FRACBITS 28 + +# if MAD_F_FRACBITS == 28 +# define MAD_F(x) ((mad_fixed_t) (x##L)) +# else +# if MAD_F_FRACBITS < 28 +# warning "MAD_F_FRACBITS < 28" +# define MAD_F(x) ((mad_fixed_t) \ + (((x##L) + \ + (1L << (28 - MAD_F_FRACBITS - 1))) >> \ + (28 - MAD_F_FRACBITS))) +# elif MAD_F_FRACBITS > 28 +# error "MAD_F_FRACBITS > 28 not currently supported" +# define MAD_F(x) ((mad_fixed_t) \ + ((x##L) << (MAD_F_FRACBITS - 28))) +# endif +# endif + +# define MAD_F_MIN ((mad_fixed_t) -0x80000000L) +# define MAD_F_MAX ((mad_fixed_t) +0x7fffffffL) + +# define MAD_F_ONE MAD_F(0x10000000) + +# define mad_f_tofixed(x) ((mad_fixed_t) \ + ((x) * (double) (1L << MAD_F_FRACBITS) + 0.5)) +# define mad_f_todouble(x) ((double) \ + ((x) / (double) (1L << MAD_F_FRACBITS))) + +# define mad_f_intpart(x) ((x) >> MAD_F_FRACBITS) +# define mad_f_fracpart(x) ((x) & ((1L << MAD_F_FRACBITS) - 1)) + /* (x should be positive) */ + +# define mad_f_fromint(x) ((x) << MAD_F_FRACBITS) + +# define mad_f_add(x, y) ((x) + (y)) +# define mad_f_sub(x, y) ((x) - (y)) + +# if defined(FPM_FLOAT) +# error "FPM_FLOAT not yet supported" + +# undef MAD_F +# define MAD_F(x) mad_f_todouble(x) + +# define mad_f_mul(x, y) ((x) * (y)) +# define mad_f_scale64 + +# undef ASO_ZEROCHECK + +# elif defined(FPM_64BIT) + + /* + * This version should be the most accurate if 64-bit types are supported by + * the compiler, although it may not be the most efficient. + */ +# if defined(OPT_ACCURACY) +# define mad_f_mul(x, y) \ + ((mad_fixed_t) \ + ((((mad_fixed64_t) (x) * (y)) + \ + (1L << (MAD_F_SCALEBITS - 1))) >> MAD_F_SCALEBITS)) +# else +# define mad_f_mul(x, y) \ + ((mad_fixed_t) (((mad_fixed64_t) (x) * (y)) >> MAD_F_SCALEBITS)) +# endif + +# define MAD_F_SCALEBITS MAD_F_FRACBITS + + /* --- Intel --------------------------------------------------------------- */ + +# elif defined(FPM_INTEL) + +# if defined(_MSC_VER) +# pragma warning(push) +# pragma warning(disable: 4035) /* no return value */ + static __forceinline + mad_fixed_t mad_f_mul_inline(mad_fixed_t x, mad_fixed_t y) + { + enum { + fracbits = MAD_F_FRACBITS + }; + + __asm { + mov eax, x + imul y + shrd eax, edx, fracbits + } + + /* implicit return of eax */ + } +# pragma warning(pop) + +# define mad_f_mul mad_f_mul_inline +# define mad_f_scale64 +# else + /* + * This Intel version is fast and accurate; the disposition of the least + * significant bit depends on OPT_ACCURACY via mad_f_scale64(). + */ +# define MAD_F_MLX(hi, lo, x, y) \ + asm ("imull %3" \ + : "=a" (lo), "=d" (hi) \ + : "%a" (x), "rm" (y) \ + : "cc") + +# if defined(OPT_ACCURACY) + /* + * This gives best accuracy but is not very fast. + */ +# define MAD_F_MLA(hi, lo, x, y) \ + ({ mad_fixed64hi_t __hi; \ + mad_fixed64lo_t __lo; \ + MAD_F_MLX(__hi, __lo, (x), (y)); \ + asm ("addl %2,%0\n\t" \ + "adcl %3,%1" \ + : "=rm" (lo), "=rm" (hi) \ + : "r" (__lo), "r" (__hi), "0" (lo), "1" (hi) \ + : "cc"); \ + }) +# endif /* OPT_ACCURACY */ + +# if defined(OPT_ACCURACY) + /* + * Surprisingly, this is faster than SHRD followed by ADC. + */ +# define mad_f_scale64(hi, lo) \ + ({ mad_fixed64hi_t __hi_; \ + mad_fixed64lo_t __lo_; \ + mad_fixed_t __result; \ + asm ("addl %4,%2\n\t" \ + "adcl %5,%3" \ + : "=rm" (__lo_), "=rm" (__hi_) \ + : "0" (lo), "1" (hi), \ + "ir" (1L << (MAD_F_SCALEBITS - 1)), "ir" (0) \ + : "cc"); \ + asm ("shrdl %3,%2,%1" \ + : "=rm" (__result) \ + : "0" (__lo_), "r" (__hi_), "I" (MAD_F_SCALEBITS) \ + : "cc"); \ + __result; \ + }) +# elif defined(OPT_INTEL) + /* + * Alternate Intel scaling that may or may not perform better. + */ +# define mad_f_scale64(hi, lo) \ + ({ mad_fixed_t __result; \ + asm ("shrl %3,%1\n\t" \ + "shll %4,%2\n\t" \ + "orl %2,%1" \ + : "=rm" (__result) \ + : "0" (lo), "r" (hi), \ + "I" (MAD_F_SCALEBITS), "I" (32 - MAD_F_SCALEBITS) \ + : "cc"); \ + __result; \ + }) +# else +# define mad_f_scale64(hi, lo) \ + ({ mad_fixed_t __result; \ + asm ("shrdl %3,%2,%1" \ + : "=rm" (__result) \ + : "0" (lo), "r" (hi), "I" (MAD_F_SCALEBITS) \ + : "cc"); \ + __result; \ + }) +# endif /* OPT_ACCURACY */ + +# define MAD_F_SCALEBITS MAD_F_FRACBITS +# endif + + /* --- ARM ----------------------------------------------------------------- */ + +# elif defined(FPM_ARM) + + /* + * This ARM V4 version is as accurate as FPM_64BIT but much faster. The + * least significant bit is properly rounded at no CPU cycle cost! + */ +# if 1 + /* + * This is faster than the default implementation via MAD_F_MLX() and + * mad_f_scale64(). + */ +# define mad_f_mul(x, y) \ + ({ mad_fixed64hi_t __hi; \ + mad_fixed64lo_t __lo; \ + mad_fixed_t __result; \ + asm ("smull %0, %1, %3, %4\n\t" \ + "movs %0, %0, lsr %5\n\t" \ + "adc %2, %0, %1, lsl %6" \ + : "=&r" (__lo), "=&r" (__hi), "=r" (__result) \ + : "%r" (x), "r" (y), \ + "M" (MAD_F_SCALEBITS), "M" (32 - MAD_F_SCALEBITS) \ + : "cc"); \ + __result; \ + }) +# endif + +# define MAD_F_MLX(hi, lo, x, y) \ + asm ("smull %0, %1, %2, %3" \ + : "=&r" (lo), "=&r" (hi) \ + : "%r" (x), "r" (y)) + +# define MAD_F_MLA(hi, lo, x, y) \ + asm ("smlal %0, %1, %2, %3" \ + : "+r" (lo), "+r" (hi) \ + : "%r" (x), "r" (y)) + +# define MAD_F_MLN(hi, lo) \ + asm ("rsbs %0, %2, #0\n\t" \ + "rsc %1, %3, #0" \ + : "=r" (lo), "=r" (hi) \ + : "0" (lo), "1" (hi) \ + : "cc") + +# define mad_f_scale64(hi, lo) \ + ({ mad_fixed_t __result; \ + asm ("movs %0, %1, lsr %3\n\t" \ + "adc %0, %0, %2, lsl %4" \ + : "=&r" (__result) \ + : "r" (lo), "r" (hi), \ + "M" (MAD_F_SCALEBITS), "M" (32 - MAD_F_SCALEBITS) \ + : "cc"); \ + __result; \ + }) + +# define MAD_F_SCALEBITS MAD_F_FRACBITS + + /* --- MIPS ---------------------------------------------------------------- */ + +# elif defined(FPM_MIPS) + + /* + * This MIPS version is fast and accurate; the disposition of the least + * significant bit depends on OPT_ACCURACY via mad_f_scale64(). + */ +# define MAD_F_MLX(hi, lo, x, y) \ + asm ("mult %2,%3" \ + : "=l" (lo), "=h" (hi) \ + : "%r" (x), "r" (y)) + +# if defined(HAVE_MADD_ASM) +# define MAD_F_MLA(hi, lo, x, y) \ + asm ("madd %2,%3" \ + : "+l" (lo), "+h" (hi) \ + : "%r" (x), "r" (y)) +# elif defined(HAVE_MADD16_ASM) + /* + * This loses significant accuracy due to the 16-bit integer limit in the + * multiply/accumulate instruction. + */ +# define MAD_F_ML0(hi, lo, x, y) \ + asm ("mult %2,%3" \ + : "=l" (lo), "=h" (hi) \ + : "%r" ((x) >> 12), "r" ((y) >> 16)) +# define MAD_F_MLA(hi, lo, x, y) \ + asm ("madd16 %2,%3" \ + : "+l" (lo), "+h" (hi) \ + : "%r" ((x) >> 12), "r" ((y) >> 16)) +# define MAD_F_MLZ(hi, lo) ((mad_fixed_t) (lo)) +# endif + +# if defined(OPT_SPEED) +# define mad_f_scale64(hi, lo) \ + ((mad_fixed_t) ((hi) << (32 - MAD_F_SCALEBITS))) +# define MAD_F_SCALEBITS MAD_F_FRACBITS +# endif + + /* --- SPARC --------------------------------------------------------------- */ + +# elif defined(FPM_SPARC) + + /* + * This SPARC V8 version is fast and accurate; the disposition of the least + * significant bit depends on OPT_ACCURACY via mad_f_scale64(). + */ +# define MAD_F_MLX(hi, lo, x, y) \ + asm ("smul %2, %3, %0\n\t" \ + "rd %%y, %1" \ + : "=r" (lo), "=r" (hi) \ + : "%r" (x), "rI" (y)) + + /* --- PowerPC ------------------------------------------------------------- */ + +# elif defined(FPM_PPC) + + /* + * This PowerPC version is fast and accurate; the disposition of the least + * significant bit depends on OPT_ACCURACY via mad_f_scale64(). + */ +# define MAD_F_MLX(hi, lo, x, y) \ + do { \ + asm ("mullw %0,%1,%2" \ + : "=r" (lo) \ + : "%r" (x), "r" (y)); \ + asm ("mulhw %0,%1,%2" \ + : "=r" (hi) \ + : "%r" (x), "r" (y)); \ + } \ + while (0) + +# if defined(OPT_ACCURACY) + /* + * This gives best accuracy but is not very fast. + */ +# define MAD_F_MLA(hi, lo, x, y) \ + ({ mad_fixed64hi_t __hi; \ + mad_fixed64lo_t __lo; \ + MAD_F_MLX(__hi, __lo, (x), (y)); \ + asm ("addc %0,%2,%3\n\t" \ + "adde %1,%4,%5" \ + : "=r" (lo), "=r" (hi) \ + : "%r" (lo), "r" (__lo), \ + "%r" (hi), "r" (__hi) \ + : "xer"); \ + }) +# endif + +# if defined(OPT_ACCURACY) + /* + * This is slower than the truncating version below it. + */ +# define mad_f_scale64(hi, lo) \ + ({ mad_fixed_t __result, __round; \ + asm ("rotrwi %0,%1,%2" \ + : "=r" (__result) \ + : "r" (lo), "i" (MAD_F_SCALEBITS)); \ + asm ("extrwi %0,%1,1,0" \ + : "=r" (__round) \ + : "r" (__result)); \ + asm ("insrwi %0,%1,%2,0" \ + : "+r" (__result) \ + : "r" (hi), "i" (MAD_F_SCALEBITS)); \ + asm ("add %0,%1,%2" \ + : "=r" (__result) \ + : "%r" (__result), "r" (__round)); \ + __result; \ + }) +# else +# define mad_f_scale64(hi, lo) \ + ({ mad_fixed_t __result; \ + asm ("rotrwi %0,%1,%2" \ + : "=r" (__result) \ + : "r" (lo), "i" (MAD_F_SCALEBITS)); \ + asm ("insrwi %0,%1,%2,0" \ + : "+r" (__result) \ + : "r" (hi), "i" (MAD_F_SCALEBITS)); \ + __result; \ + }) +# endif + +# define MAD_F_SCALEBITS MAD_F_FRACBITS + + /* --- Default ------------------------------------------------------------- */ + +# elif defined(FPM_DEFAULT) + + /* + * This version is the most portable but it loses significant accuracy. + * Furthermore, accuracy is biased against the second argument, so care + * should be taken when ordering operands. + * + * The scale factors are constant as this is not used with SSO. + * + * Pre-rounding is required to stay within the limits of compliance. + */ +# if defined(OPT_SPEED) +# define mad_f_mul(x, y) (((x) >> 12) * ((y) >> 16)) +# else +# define mad_f_mul(x, y) ((((x) + (1L << 11)) >> 12) * \ + (((y) + (1L << 15)) >> 16)) +# endif + + /* ------------------------------------------------------------------------- */ + +# else +# error "no FPM selected" +# endif + + /* default implementations */ + +# if !defined(mad_f_mul) +# define mad_f_mul(x, y) \ + ({ register mad_fixed64hi_t __hi; \ + register mad_fixed64lo_t __lo; \ + MAD_F_MLX(__hi, __lo, (x), (y)); \ + mad_f_scale64(__hi, __lo); \ + }) +# endif + +# if !defined(MAD_F_MLA) +# define MAD_F_ML0(hi, lo, x, y) ((lo) = mad_f_mul((x), (y))) +# define MAD_F_MLA(hi, lo, x, y) ((lo) += mad_f_mul((x), (y))) +# define MAD_F_MLN(hi, lo) ((lo) = -(lo)) +# define MAD_F_MLZ(hi, lo) ((void) (hi), (mad_fixed_t) (lo)) +# endif + +# if !defined(MAD_F_ML0) +# define MAD_F_ML0(hi, lo, x, y) MAD_F_MLX((hi), (lo), (x), (y)) +# endif + +# if !defined(MAD_F_MLN) +# define MAD_F_MLN(hi, lo) ((hi) = ((lo) = -(lo)) ? ~(hi) : -(hi)) +# endif + +# if !defined(MAD_F_MLZ) +# define MAD_F_MLZ(hi, lo) mad_f_scale64((hi), (lo)) +# endif + +# if !defined(mad_f_scale64) +# if defined(OPT_ACCURACY) +# define mad_f_scale64(hi, lo) \ + ((((mad_fixed_t) \ + (((hi) << (32 - (MAD_F_SCALEBITS - 1))) | \ + ((lo) >> (MAD_F_SCALEBITS - 1)))) + 1) >> 1) +# else +# define mad_f_scale64(hi, lo) \ + ((mad_fixed_t) \ + (((hi) << (32 - MAD_F_SCALEBITS)) | \ + ((lo) >> MAD_F_SCALEBITS))) +# endif +# define MAD_F_SCALEBITS MAD_F_FRACBITS +# endif + + /* C routines */ + + mad_fixed_t mad_f_abs(mad_fixed_t); + mad_fixed_t mad_f_div(mad_fixed_t, mad_fixed_t); + +# endif + + /* Id: bit.h,v 1.12 2004/01/23 09:41:32 rob Exp */ + +# ifndef LIBMAD_BIT_H +# define LIBMAD_BIT_H + + struct mad_bitptr { + unsigned char const *byte; + unsigned short cache; + unsigned short left; + }; + + void mad_bit_init(struct mad_bitptr *, unsigned char const *); + +# define mad_bit_finish(bitptr) /* nothing */ + + unsigned int mad_bit_length(struct mad_bitptr const *, + struct mad_bitptr const *); + +# define mad_bit_bitsleft(bitptr) ((bitptr)->left) + unsigned char const *mad_bit_nextbyte(struct mad_bitptr const *); + + void mad_bit_skip(struct mad_bitptr *, unsigned int); + unsigned long mad_bit_read(struct mad_bitptr *, unsigned int); + void mad_bit_write(struct mad_bitptr *, unsigned int, unsigned long); + + unsigned short mad_bit_crc(struct mad_bitptr, unsigned int, unsigned short); + +# endif + + /* Id: timer.h,v 1.16 2004/01/23 09:41:33 rob Exp */ + +# ifndef LIBMAD_TIMER_H +# define LIBMAD_TIMER_H + + typedef struct { + signed long seconds; /* whole seconds */ + unsigned long fraction; /* 1/MAD_TIMER_RESOLUTION seconds */ + } mad_timer_t; + + extern mad_timer_t const mad_timer_zero; + +# define MAD_TIMER_RESOLUTION 352800000UL + + enum mad_units { + MAD_UNITS_HOURS = -2, + MAD_UNITS_MINUTES = -1, + MAD_UNITS_SECONDS = 0, + + /* metric units */ + + MAD_UNITS_DECISECONDS = 10, + MAD_UNITS_CENTISECONDS = 100, + MAD_UNITS_MILLISECONDS = 1000, + + /* audio sample units */ + + MAD_UNITS_8000_HZ = 8000, + MAD_UNITS_11025_HZ = 11025, + MAD_UNITS_12000_HZ = 12000, + + MAD_UNITS_16000_HZ = 16000, + MAD_UNITS_22050_HZ = 22050, + MAD_UNITS_24000_HZ = 24000, + + MAD_UNITS_32000_HZ = 32000, + MAD_UNITS_44100_HZ = 44100, + MAD_UNITS_48000_HZ = 48000, + + /* video frame/field units */ + + MAD_UNITS_24_FPS = 24, + MAD_UNITS_25_FPS = 25, + MAD_UNITS_30_FPS = 30, + MAD_UNITS_48_FPS = 48, + MAD_UNITS_50_FPS = 50, + MAD_UNITS_60_FPS = 60, + + /* CD audio frames */ + + MAD_UNITS_75_FPS = 75, + + /* video drop-frame units */ + + MAD_UNITS_23_976_FPS = -24, + MAD_UNITS_24_975_FPS = -25, + MAD_UNITS_29_97_FPS = -30, + MAD_UNITS_47_952_FPS = -48, + MAD_UNITS_49_95_FPS = -50, + MAD_UNITS_59_94_FPS = -60 + }; + +# define mad_timer_reset(timer) ((void) (*(timer) = mad_timer_zero)) + + int mad_timer_compare(mad_timer_t, mad_timer_t); + +# define mad_timer_sign(timer) mad_timer_compare((timer), mad_timer_zero) + + void mad_timer_negate(mad_timer_t *); + mad_timer_t mad_timer_abs(mad_timer_t); + + void mad_timer_set(mad_timer_t *, unsigned long, unsigned long, unsigned long); + void mad_timer_add(mad_timer_t *, mad_timer_t); + void mad_timer_multiply(mad_timer_t *, signed long); + + signed long mad_timer_count(mad_timer_t, enum mad_units); + unsigned long mad_timer_fraction(mad_timer_t, unsigned long); + void mad_timer_string(mad_timer_t, char *, char const *, + enum mad_units, enum mad_units, unsigned long); + +# endif + + /* Id: stream.h,v 1.20 2004/02/05 09:02:39 rob Exp */ + +# ifndef LIBMAD_STREAM_H +# define LIBMAD_STREAM_H + + +# define MAD_BUFFER_GUARD 8 +# define MAD_BUFFER_MDLEN (511 + 2048 + MAD_BUFFER_GUARD) + + enum mad_error { + MAD_ERROR_NONE = 0x0000, /* no error */ + + MAD_ERROR_BUFLEN = 0x0001, /* input buffer too small (or EOF) */ + MAD_ERROR_BUFPTR = 0x0002, /* invalid (null) buffer pointer */ + + MAD_ERROR_NOMEM = 0x0031, /* not enough memory */ + + MAD_ERROR_LOSTSYNC = 0x0101, /* lost synchronization */ + MAD_ERROR_BADLAYER = 0x0102, /* reserved header layer value */ + MAD_ERROR_BADBITRATE = 0x0103, /* forbidden bitrate value */ + MAD_ERROR_BADSAMPLERATE = 0x0104, /* reserved sample frequency value */ + MAD_ERROR_BADEMPHASIS = 0x0105, /* reserved emphasis value */ + + MAD_ERROR_BADCRC = 0x0201, /* CRC check failed */ + MAD_ERROR_BADBITALLOC = 0x0211, /* forbidden bit allocation value */ + MAD_ERROR_BADSCALEFACTOR = 0x0221, /* bad scalefactor index */ + MAD_ERROR_BADMODE = 0x0222, /* bad bitrate/mode combination */ + MAD_ERROR_BADFRAMELEN = 0x0231, /* bad frame length */ + MAD_ERROR_BADBIGVALUES = 0x0232, /* bad big_values count */ + MAD_ERROR_BADBLOCKTYPE = 0x0233, /* reserved block_type */ + MAD_ERROR_BADSCFSI = 0x0234, /* bad scalefactor selection info */ + MAD_ERROR_BADDATAPTR = 0x0235, /* bad main_data_begin pointer */ + MAD_ERROR_BADPART3LEN = 0x0236, /* bad audio data length */ + MAD_ERROR_BADHUFFTABLE = 0x0237, /* bad Huffman table select */ + MAD_ERROR_BADHUFFDATA = 0x0238, /* Huffman data overrun */ + MAD_ERROR_BADSTEREO = 0x0239 /* incompatible block_type for JS */ + }; + +# define MAD_RECOVERABLE(error) ((error) & 0xff00) + + struct mad_stream { + unsigned char const *buffer; /* input bitstream buffer */ + unsigned char const *bufend; /* end of buffer */ + unsigned long skiplen; /* bytes to skip before next frame */ + + int sync; /* stream sync found */ + unsigned long freerate; /* free bitrate (fixed) */ + + unsigned char const *this_frame; /* start of current frame */ + unsigned char const *next_frame; /* start of next frame */ + struct mad_bitptr ptr; /* current processing bit pointer */ + + struct mad_bitptr anc_ptr; /* ancillary bits pointer */ + unsigned int anc_bitlen; /* number of ancillary bits */ + + unsigned char(*main_data)[MAD_BUFFER_MDLEN]; + /* Layer III main_data() */ + unsigned int md_len; /* bytes in main_data */ + + int options; /* decoding options (see below) */ + enum mad_error error; /* error code (see above) */ + unsigned int muted_samples; + unsigned int muted_count; + }; + + enum { + MAD_OPTION_IGNORECRC = 0x0001, /* ignore CRC errors */ + MAD_OPTION_HALFSAMPLERATE = 0x0002 /* generate PCM at 1/2 sample rate */ +# if 0 /* not yet implemented */ + MAD_OPTION_LEFTCHANNEL = 0x0010, /* decode left channel only */ + MAD_OPTION_RIGHTCHANNEL = 0x0020, /* decode right channel only */ + MAD_OPTION_SINGLECHANNEL = 0x0030 /* combine channels */ +# endif + }; + + void mad_stream_init(struct mad_stream *); + void mad_stream_finish(struct mad_stream *); + +# define mad_stream_options(stream, opts) \ + ((void) ((stream)->options = (opts))) + + void mad_stream_buffer(struct mad_stream *, + unsigned char const *, unsigned long); + void mad_stream_skip(struct mad_stream *, unsigned long); + + int mad_stream_sync(struct mad_stream *); + + char const *mad_stream_errorstr(struct mad_stream const *); + +# endif + + /* Id: frame.h,v 1.20 2004/01/23 09:41:32 rob Exp */ + +# ifndef LIBMAD_FRAME_H +# define LIBMAD_FRAME_H + + + enum mad_layer { + MAD_LAYER_I = 1, /* Layer I */ + MAD_LAYER_II = 2, /* Layer II */ + MAD_LAYER_III = 3 /* Layer III */ + }; + + enum mad_mode { + MAD_MODE_SINGLE_CHANNEL = 0, /* single channel */ + MAD_MODE_DUAL_CHANNEL = 1, /* dual channel */ + MAD_MODE_JOINT_STEREO = 2, /* joint (MS/intensity) stereo */ + MAD_MODE_STEREO = 3 /* normal LR stereo */ + }; + + enum mad_emphasis { + MAD_EMPHASIS_NONE = 0, /* no emphasis */ + MAD_EMPHASIS_50_15_US = 1, /* 50/15 microseconds emphasis */ + MAD_EMPHASIS_CCITT_J_17 = 3, /* CCITT J.17 emphasis */ + MAD_EMPHASIS_RESERVED = 2 /* unknown emphasis */ + }; + + struct mad_header { + enum mad_layer layer; /* audio layer (1, 2, or 3) */ + enum mad_mode mode; /* channel mode (see above) */ + int mode_extension; /* additional mode info */ + enum mad_emphasis emphasis; /* de-emphasis to use (see above) */ + + unsigned long bitrate; /* stream bitrate (bps) */ + unsigned int samplerate; /* sampling frequency (Hz) */ + + unsigned short crc_check; /* frame CRC accumulator */ + unsigned short crc_target; /* final target CRC checksum */ + + int flags; /* flags (see below) */ + int private_bits; /* private bits (see below) */ + + mad_timer_t duration; /* audio playing time of frame */ + }; + + struct mad_frame { + struct mad_header header; /* MPEG audio header */ + + int options; /* decoding options (from stream) */ + + mad_fixed_t sbsample[2][36][32]; /* synthesis subband filter samples */ + mad_fixed_t (*overlap)[2][32][18]; /* Layer III block overlap data */ + }; + +# define MAD_NCHANNELS(header) ((header)->mode ? 2 : 1) +# define MAD_NSBSAMPLES(header) \ + ((header)->layer == MAD_LAYER_I ? 12 : \ + (((header)->layer == MAD_LAYER_III && \ + ((header)->flags & MAD_FLAG_LSF_EXT)) ? 18 : 36)) + + enum { + MAD_FLAG_NPRIVATE_III = 0x0007, /* number of Layer III private bits */ + MAD_FLAG_INCOMPLETE = 0x0008, /* header but not data is decoded */ + + MAD_FLAG_PROTECTION = 0x0010, /* frame has CRC protection */ + MAD_FLAG_COPYRIGHT = 0x0020, /* frame is copyright */ + MAD_FLAG_ORIGINAL = 0x0040, /* frame is original (else copy) */ + MAD_FLAG_PADDING = 0x0080, /* frame has additional slot */ + + MAD_FLAG_I_STEREO = 0x0100, /* uses intensity joint stereo */ + MAD_FLAG_MS_STEREO = 0x0200, /* uses middle/side joint stereo */ + MAD_FLAG_FREEFORMAT = 0x0400, /* uses free format bitrate */ + + MAD_FLAG_LSF_EXT = 0x1000, /* lower sampling freq. extension */ + MAD_FLAG_MC_EXT = 0x2000, /* multichannel audio extension */ + MAD_FLAG_MPEG_2_5_EXT = 0x4000 /* MPEG 2.5 (unofficial) extension */ + }; + + enum { + MAD_PRIVATE_HEADER = 0x0100, /* header private bit */ + MAD_PRIVATE_III = 0x001f /* Layer III private bits (up to 5) */ + }; + + void mad_header_init(struct mad_header *); + +# define mad_header_finish(header) /* nothing */ + + int mad_header_decode(struct mad_header *, struct mad_stream *); + + void mad_frame_init(struct mad_frame *); + void mad_frame_finish(struct mad_frame *); + + int mad_frame_decode(struct mad_frame *, struct mad_stream *); + + void mad_frame_mute(struct mad_frame *); + +# endif + + /* Id: synth.h,v 1.15 2004/01/23 09:41:33 rob Exp */ + +# ifndef LIBMAD_SYNTH_H +# define LIBMAD_SYNTH_H + + + struct mad_pcm { + unsigned int samplerate; /* sampling frequency (Hz) */ + unsigned short channels; /* number of channels */ + unsigned short length; /* number of samples per channel */ + mad_fixed_t samples[2][1152]; /* PCM output samples [ch][sample] */ + }; + + struct mad_synth { + mad_fixed_t filter[2][2][2][16][8]; /* polyphase filterbank outputs */ + /* [ch][eo][peo][s][v] */ + + unsigned int phase; /* current processing phase */ + + struct mad_pcm pcm; /* PCM output */ + }; + + /* single channel PCM selector */ + enum { + MAD_PCM_CHANNEL_SINGLE = 0 + }; + + /* dual channel PCM selector */ + enum { + MAD_PCM_CHANNEL_DUAL_1 = 0, + MAD_PCM_CHANNEL_DUAL_2 = 1 + }; + + /* stereo PCM selector */ + enum { + MAD_PCM_CHANNEL_STEREO_LEFT = 0, + MAD_PCM_CHANNEL_STEREO_RIGHT = 1 + }; + + void mad_synth_init(struct mad_synth *); + +# define mad_synth_finish(synth) /* nothing */ + + void mad_synth_mute(struct mad_synth *); + + void mad_synth_frame(struct mad_synth *, struct mad_frame const *); + +# endif + + /* Id: decoder.h,v 1.17 2004/01/23 09:41:32 rob Exp */ + +# ifndef LIBMAD_DECODER_H +# define LIBMAD_DECODER_H + + + enum mad_decoder_mode { + MAD_DECODER_MODE_SYNC = 0, + MAD_DECODER_MODE_ASYNC + }; + + enum mad_flow { + MAD_FLOW_CONTINUE = 0x0000, /* continue normally */ + MAD_FLOW_STOP = 0x0010, /* stop decoding normally */ + MAD_FLOW_BREAK = 0x0011, /* stop decoding and signal an error */ + MAD_FLOW_IGNORE = 0x0020 /* ignore the current frame */ + }; + + struct mad_decoder { + enum mad_decoder_mode mode; + + int options; + + struct { + long pid; + int in; + int out; + } async; + + struct { + struct mad_stream stream; + struct mad_frame frame; + struct mad_synth synth; + } *sync; + + void *cb_data; + + enum mad_flow(*input_func)(void *, struct mad_stream *); + enum mad_flow(*header_func)(void *, struct mad_header const *); + enum mad_flow(*filter_func)(void *, + struct mad_stream const *, struct mad_frame *); + enum mad_flow(*output_func)(void *, + struct mad_header const *, struct mad_pcm *); + enum mad_flow(*error_func)(void *, struct mad_stream *, struct mad_frame *); + enum mad_flow(*message_func)(void *, void *, unsigned int *); + }; + + void mad_decoder_init(struct mad_decoder *, void *, + enum mad_flow(*)(void *, struct mad_stream *), + enum mad_flow(*)(void *, struct mad_header const *), + enum mad_flow(*)(void *, + struct mad_stream const *, + struct mad_frame *), + enum mad_flow(*)(void *, + struct mad_header const *, + struct mad_pcm *), + enum mad_flow(*)(void *, + struct mad_stream *, + struct mad_frame *), + enum mad_flow(*)(void *, void *, unsigned int *)); + int mad_decoder_finish(struct mad_decoder *); + +# define mad_decoder_options(decoder, opts) \ + ((void) ((decoder)->options = (opts))) + + int mad_decoder_run(struct mad_decoder *, enum mad_decoder_mode); + int mad_decoder_message(struct mad_decoder *, void *, unsigned int *); + +# endif + +# ifdef __cplusplus +} +# endif diff --git a/audio_codec/libmad/qc_table.dat b/audio_codec/libmad/qc_table.dat new file mode 100755 index 0000000..35a2223 --- a/dev/null +++ b/audio_codec/libmad/qc_table.dat @@ -0,0 +1,77 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: qc_table.dat,v 1.7 2004/01/23 09:41:32 rob Exp $ + */ + +/* + * These are the Layer II classes of quantization. + * The table is derived from Table B.4 of ISO/IEC 11172-3. + */ + + { 3, 2, 5, + MAD_F(0x15555555) /* 1.33333333333 => 1.33333333209, e 0.00000000124 */, + MAD_F(0x08000000) /* 0.50000000000 => 0.50000000000, e 0.00000000000 */ }, + { 5, 3, 7, + MAD_F(0x1999999a) /* 1.60000000000 => 1.60000000149, e -0.00000000149 */, + MAD_F(0x08000000) /* 0.50000000000 => 0.50000000000, e 0.00000000000 */ }, + { 7, 0, 3, + MAD_F(0x12492492) /* 1.14285714286 => 1.14285714179, e 0.00000000107 */, + MAD_F(0x04000000) /* 0.25000000000 => 0.25000000000, e 0.00000000000 */ }, + { 9, 4, 10, + MAD_F(0x1c71c71c) /* 1.77777777777 => 1.77777777612, e 0.00000000165 */, + MAD_F(0x08000000) /* 0.50000000000 => 0.50000000000, e 0.00000000000 */ }, + { 15, 0, 4, + MAD_F(0x11111111) /* 1.06666666666 => 1.06666666642, e 0.00000000024 */, + MAD_F(0x02000000) /* 0.12500000000 => 0.12500000000, e 0.00000000000 */ }, + { 31, 0, 5, + MAD_F(0x10842108) /* 1.03225806452 => 1.03225806355, e 0.00000000097 */, + MAD_F(0x01000000) /* 0.06250000000 => 0.06250000000, e 0.00000000000 */ }, + { 63, 0, 6, + MAD_F(0x10410410) /* 1.01587301587 => 1.01587301493, e 0.00000000094 */, + MAD_F(0x00800000) /* 0.03125000000 => 0.03125000000, e 0.00000000000 */ }, + { 127, 0, 7, + MAD_F(0x10204081) /* 1.00787401575 => 1.00787401572, e 0.00000000003 */, + MAD_F(0x00400000) /* 0.01562500000 => 0.01562500000, e 0.00000000000 */ }, + { 255, 0, 8, + MAD_F(0x10101010) /* 1.00392156863 => 1.00392156839, e 0.00000000024 */, + MAD_F(0x00200000) /* 0.00781250000 => 0.00781250000, e 0.00000000000 */ }, + { 511, 0, 9, + MAD_F(0x10080402) /* 1.00195694716 => 1.00195694715, e 0.00000000001 */, + MAD_F(0x00100000) /* 0.00390625000 => 0.00390625000, e 0.00000000000 */ }, + { 1023, 0, 10, + MAD_F(0x10040100) /* 1.00097751711 => 1.00097751617, e 0.00000000094 */, + MAD_F(0x00080000) /* 0.00195312500 => 0.00195312500, e 0.00000000000 */ }, + { 2047, 0, 11, + MAD_F(0x10020040) /* 1.00048851979 => 1.00048851967, e 0.00000000012 */, + MAD_F(0x00040000) /* 0.00097656250 => 0.00097656250, e 0.00000000000 */ }, + { 4095, 0, 12, + MAD_F(0x10010010) /* 1.00024420024 => 1.00024420023, e 0.00000000001 */, + MAD_F(0x00020000) /* 0.00048828125 => 0.00048828125, e 0.00000000000 */ }, + { 8191, 0, 13, + MAD_F(0x10008004) /* 1.00012208522 => 1.00012208521, e 0.00000000001 */, + MAD_F(0x00010000) /* 0.00024414063 => 0.00024414062, e 0.00000000000 */ }, + { 16383, 0, 14, + MAD_F(0x10004001) /* 1.00006103888 => 1.00006103888, e -0.00000000000 */, + MAD_F(0x00008000) /* 0.00012207031 => 0.00012207031, e -0.00000000000 */ }, + { 32767, 0, 15, + MAD_F(0x10002000) /* 1.00003051851 => 1.00003051758, e 0.00000000093 */, + MAD_F(0x00004000) /* 0.00006103516 => 0.00006103516, e 0.00000000000 */ }, + { 65535, 0, 16, + MAD_F(0x10001000) /* 1.00001525902 => 1.00001525879, e 0.00000000023 */, + MAD_F(0x00002000) /* 0.00003051758 => 0.00003051758, e 0.00000000000 */ } diff --git a/audio_codec/libmad/rq_table.dat b/audio_codec/libmad/rq_table.dat new file mode 100755 index 0000000..059c4f3 --- a/dev/null +++ b/audio_codec/libmad/rq_table.dat @@ -0,0 +1,8747 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: rq_table.dat,v 1.7 2004/01/23 09:41:32 rob Exp $ + */ + +/* + * This is the lookup table used to compute x^(4/3) for Layer III + * requantization. To maintain the best possible accuracy, the value is + * stored as a normalized mantissa with exponent. The requantization + * algorithm recombines these parts with appropriate scaling. + */ + + /* 0 */ { MAD_F(0x00000000) /* 0.000000000 */, 0 }, + /* 1 */ { MAD_F(0x04000000) /* 0.250000000 */, 2 }, + /* 2 */ { MAD_F(0x050a28be) /* 0.314980262 */, 3 }, + /* 3 */ { MAD_F(0x0453a5cd) /* 0.270421794 */, 4 }, + /* 4 */ { MAD_F(0x06597fa9) /* 0.396850263 */, 4 }, + /* 5 */ { MAD_F(0x04466275) /* 0.267183742 */, 5 }, + /* 6 */ { MAD_F(0x05738c72) /* 0.340710111 */, 5 }, + /* 7 */ { MAD_F(0x06b1fc81) /* 0.418453696 */, 5 }, + /* 8 */ { MAD_F(0x04000000) /* 0.250000000 */, 6 }, + /* 9 */ { MAD_F(0x04ae20d7) /* 0.292511788 */, 6 }, + /* 10 */ { MAD_F(0x0562d694) /* 0.336630420 */, 6 }, + /* 11 */ { MAD_F(0x061dae96) /* 0.382246578 */, 6 }, + /* 12 */ { MAD_F(0x06de47f4) /* 0.429267841 */, 6 }, + /* 13 */ { MAD_F(0x07a44f7a) /* 0.477614858 */, 6 }, + /* 14 */ { MAD_F(0x0437be65) /* 0.263609310 */, 7 }, + /* 15 */ { MAD_F(0x049fc824) /* 0.289009227 */, 7 }, + + /* 16 */ { MAD_F(0x050a28be) /* 0.314980262 */, 7 }, + /* 17 */ { MAD_F(0x0576c6f5) /* 0.341498336 */, 7 }, + /* 18 */ { MAD_F(0x05e58c0b) /* 0.368541759 */, 7 }, + /* 19 */ { MAD_F(0x06566361) /* 0.396090870 */, 7 }, + /* 20 */ { MAD_F(0x06c93a2e) /* 0.424127753 */, 7 }, + /* 21 */ { MAD_F(0x073dff3e) /* 0.452635998 */, 7 }, + /* 22 */ { MAD_F(0x07b4a2bc) /* 0.481600510 */, 7 }, + /* 23 */ { MAD_F(0x04168b05) /* 0.255503674 */, 8 }, + /* 24 */ { MAD_F(0x0453a5cd) /* 0.270421794 */, 8 }, + /* 25 */ { MAD_F(0x04919b6a) /* 0.285548607 */, 8 }, + /* 26 */ { MAD_F(0x04d065fb) /* 0.300878507 */, 8 }, + /* 27 */ { MAD_F(0x05100000) /* 0.316406250 */, 8 }, + /* 28 */ { MAD_F(0x05506451) /* 0.332126919 */, 8 }, + /* 29 */ { MAD_F(0x05918e15) /* 0.348035890 */, 8 }, + /* 30 */ { MAD_F(0x05d378bb) /* 0.364128809 */, 8 }, + /* 31 */ { MAD_F(0x06161ff3) /* 0.380401563 */, 8 }, + + /* 32 */ { MAD_F(0x06597fa9) /* 0.396850263 */, 8 }, + /* 33 */ { MAD_F(0x069d9400) /* 0.413471222 */, 8 }, + /* 34 */ { MAD_F(0x06e2594c) /* 0.430260942 */, 8 }, + /* 35 */ { MAD_F(0x0727cc11) /* 0.447216097 */, 8 }, + /* 36 */ { MAD_F(0x076de8fc) /* 0.464333519 */, 8 }, + /* 37 */ { MAD_F(0x07b4ace3) /* 0.481610189 */, 8 }, + /* 38 */ { MAD_F(0x07fc14bf) /* 0.499043224 */, 8 }, + /* 39 */ { MAD_F(0x04220ed7) /* 0.258314934 */, 9 }, + /* 40 */ { MAD_F(0x04466275) /* 0.267183742 */, 9 }, + /* 41 */ { MAD_F(0x046b03e7) /* 0.276126771 */, 9 }, + /* 42 */ { MAD_F(0x048ff1e8) /* 0.285142811 */, 9 }, + /* 43 */ { MAD_F(0x04b52b3f) /* 0.294230696 */, 9 }, + /* 44 */ { MAD_F(0x04daaec0) /* 0.303389310 */, 9 }, + /* 45 */ { MAD_F(0x05007b49) /* 0.312617576 */, 9 }, + /* 46 */ { MAD_F(0x05268fc6) /* 0.321914457 */, 9 }, + /* 47 */ { MAD_F(0x054ceb2a) /* 0.331278957 */, 9 }, + + /* 48 */ { MAD_F(0x05738c72) /* 0.340710111 */, 9 }, + /* 49 */ { MAD_F(0x059a72a5) /* 0.350206992 */, 9 }, + /* 50 */ { MAD_F(0x05c19cd3) /* 0.359768701 */, 9 }, + /* 51 */ { MAD_F(0x05e90a12) /* 0.369394372 */, 9 }, + /* 52 */ { MAD_F(0x0610b982) /* 0.379083164 */, 9 }, + /* 53 */ { MAD_F(0x0638aa48) /* 0.388834268 */, 9 }, + /* 54 */ { MAD_F(0x0660db91) /* 0.398646895 */, 9 }, + /* 55 */ { MAD_F(0x06894c90) /* 0.408520284 */, 9 }, + /* 56 */ { MAD_F(0x06b1fc81) /* 0.418453696 */, 9 }, + /* 57 */ { MAD_F(0x06daeaa1) /* 0.428446415 */, 9 }, + /* 58 */ { MAD_F(0x07041636) /* 0.438497744 */, 9 }, + /* 59 */ { MAD_F(0x072d7e8b) /* 0.448607009 */, 9 }, + /* 60 */ { MAD_F(0x075722ef) /* 0.458773552 */, 9 }, + /* 61 */ { MAD_F(0x078102b8) /* 0.468996735 */, 9 }, + /* 62 */ { MAD_F(0x07ab1d3e) /* 0.479275937 */, 9 }, + /* 63 */ { MAD_F(0x07d571e0) /* 0.489610555 */, 9 }, + + /* 64 */ { MAD_F(0x04000000) /* 0.250000000 */, 10 }, + /* 65 */ { MAD_F(0x04156381) /* 0.255221850 */, 10 }, + /* 66 */ { MAD_F(0x042ae32a) /* 0.260470548 */, 10 }, + /* 67 */ { MAD_F(0x04407eb1) /* 0.265745823 */, 10 }, + /* 68 */ { MAD_F(0x045635cf) /* 0.271047409 */, 10 }, + /* 69 */ { MAD_F(0x046c083e) /* 0.276375048 */, 10 }, + /* 70 */ { MAD_F(0x0481f5bb) /* 0.281728487 */, 10 }, + /* 71 */ { MAD_F(0x0497fe03) /* 0.287107481 */, 10 }, + /* 72 */ { MAD_F(0x04ae20d7) /* 0.292511788 */, 10 }, + /* 73 */ { MAD_F(0x04c45df6) /* 0.297941173 */, 10 }, + /* 74 */ { MAD_F(0x04dab524) /* 0.303395408 */, 10 }, + /* 75 */ { MAD_F(0x04f12624) /* 0.308874267 */, 10 }, + /* 76 */ { MAD_F(0x0507b0bc) /* 0.314377532 */, 10 }, + /* 77 */ { MAD_F(0x051e54b1) /* 0.319904987 */, 10 }, + /* 78 */ { MAD_F(0x053511cb) /* 0.325456423 */, 10 }, + /* 79 */ { MAD_F(0x054be7d4) /* 0.331031635 */, 10 }, + + /* 80 */ { MAD_F(0x0562d694) /* 0.336630420 */, 10 }, + /* 81 */ { MAD_F(0x0579ddd8) /* 0.342252584 */, 10 }, + /* 82 */ { MAD_F(0x0590fd6c) /* 0.347897931 */, 10 }, + /* 83 */ { MAD_F(0x05a8351c) /* 0.353566275 */, 10 }, + /* 84 */ { MAD_F(0x05bf84b8) /* 0.359257429 */, 10 }, + /* 85 */ { MAD_F(0x05d6ec0e) /* 0.364971213 */, 10 }, + /* 86 */ { MAD_F(0x05ee6aef) /* 0.370707448 */, 10 }, + /* 87 */ { MAD_F(0x0606012b) /* 0.376465960 */, 10 }, + /* 88 */ { MAD_F(0x061dae96) /* 0.382246578 */, 10 }, + /* 89 */ { MAD_F(0x06357302) /* 0.388049134 */, 10 }, + /* 90 */ { MAD_F(0x064d4e43) /* 0.393873464 */, 10 }, + /* 91 */ { MAD_F(0x0665402d) /* 0.399719406 */, 10 }, + /* 92 */ { MAD_F(0x067d4896) /* 0.405586801 */, 10 }, + /* 93 */ { MAD_F(0x06956753) /* 0.411475493 */, 10 }, + /* 94 */ { MAD_F(0x06ad9c3d) /* 0.417385331 */, 10 }, + /* 95 */ { MAD_F(0x06c5e72b) /* 0.423316162 */, 10 }, + + /* 96 */ { MAD_F(0x06de47f4) /* 0.429267841 */, 10 }, + /* 97 */ { MAD_F(0x06f6be73) /* 0.435240221 */, 10 }, + /* 98 */ { MAD_F(0x070f4a80) /* 0.441233161 */, 10 }, + /* 99 */ { MAD_F(0x0727ebf7) /* 0.447246519 */, 10 }, + /* 100 */ { MAD_F(0x0740a2b2) /* 0.453280160 */, 10 }, + /* 101 */ { MAD_F(0x07596e8d) /* 0.459333946 */, 10 }, + /* 102 */ { MAD_F(0x07724f64) /* 0.465407744 */, 10 }, + /* 103 */ { MAD_F(0x078b4514) /* 0.471501425 */, 10 }, + /* 104 */ { MAD_F(0x07a44f7a) /* 0.477614858 */, 10 }, + /* 105 */ { MAD_F(0x07bd6e75) /* 0.483747918 */, 10 }, + /* 106 */ { MAD_F(0x07d6a1e2) /* 0.489900479 */, 10 }, + /* 107 */ { MAD_F(0x07efe9a1) /* 0.496072418 */, 10 }, + /* 108 */ { MAD_F(0x0404a2c9) /* 0.251131807 */, 11 }, + /* 109 */ { MAD_F(0x04115aca) /* 0.254236974 */, 11 }, + /* 110 */ { MAD_F(0x041e1cc4) /* 0.257351652 */, 11 }, + /* 111 */ { MAD_F(0x042ae8a7) /* 0.260475783 */, 11 }, + + /* 112 */ { MAD_F(0x0437be65) /* 0.263609310 */, 11 }, + /* 113 */ { MAD_F(0x04449dee) /* 0.266752177 */, 11 }, + /* 114 */ { MAD_F(0x04518733) /* 0.269904329 */, 11 }, + /* 115 */ { MAD_F(0x045e7a26) /* 0.273065710 */, 11 }, + /* 116 */ { MAD_F(0x046b76b9) /* 0.276236269 */, 11 }, + /* 117 */ { MAD_F(0x04787cdc) /* 0.279415952 */, 11 }, + /* 118 */ { MAD_F(0x04858c83) /* 0.282604707 */, 11 }, + /* 119 */ { MAD_F(0x0492a59f) /* 0.285802482 */, 11 }, + /* 120 */ { MAD_F(0x049fc824) /* 0.289009227 */, 11 }, + /* 121 */ { MAD_F(0x04acf402) /* 0.292224893 */, 11 }, + /* 122 */ { MAD_F(0x04ba292e) /* 0.295449429 */, 11 }, + /* 123 */ { MAD_F(0x04c7679a) /* 0.298682788 */, 11 }, + /* 124 */ { MAD_F(0x04d4af3a) /* 0.301924921 */, 11 }, + /* 125 */ { MAD_F(0x04e20000) /* 0.305175781 */, 11 }, + /* 126 */ { MAD_F(0x04ef59e0) /* 0.308435322 */, 11 }, + /* 127 */ { MAD_F(0x04fcbcce) /* 0.311703498 */, 11 }, + + /* 128 */ { MAD_F(0x050a28be) /* 0.314980262 */, 11 }, + /* 129 */ { MAD_F(0x05179da4) /* 0.318265572 */, 11 }, + /* 130 */ { MAD_F(0x05251b73) /* 0.321559381 */, 11 }, + /* 131 */ { MAD_F(0x0532a220) /* 0.324861647 */, 11 }, + /* 132 */ { MAD_F(0x054031a0) /* 0.328172327 */, 11 }, + /* 133 */ { MAD_F(0x054dc9e7) /* 0.331491377 */, 11 }, + /* 134 */ { MAD_F(0x055b6ae9) /* 0.334818756 */, 11 }, + /* 135 */ { MAD_F(0x0569149c) /* 0.338154423 */, 11 }, + /* 136 */ { MAD_F(0x0576c6f5) /* 0.341498336 */, 11 }, + /* 137 */ { MAD_F(0x058481e9) /* 0.344850455 */, 11 }, + /* 138 */ { MAD_F(0x0592456d) /* 0.348210741 */, 11 }, + /* 139 */ { MAD_F(0x05a01176) /* 0.351579152 */, 11 }, + /* 140 */ { MAD_F(0x05ade5fa) /* 0.354955651 */, 11 }, + /* 141 */ { MAD_F(0x05bbc2ef) /* 0.358340200 */, 11 }, + /* 142 */ { MAD_F(0x05c9a84a) /* 0.361732758 */, 11 }, + /* 143 */ { MAD_F(0x05d79601) /* 0.365133291 */, 11 }, + + /* 144 */ { MAD_F(0x05e58c0b) /* 0.368541759 */, 11 }, + /* 145 */ { MAD_F(0x05f38a5d) /* 0.371958126 */, 11 }, + /* 146 */ { MAD_F(0x060190ee) /* 0.375382356 */, 11 }, + /* 147 */ { MAD_F(0x060f9fb3) /* 0.378814413 */, 11 }, + /* 148 */ { MAD_F(0x061db6a5) /* 0.382254261 */, 11 }, + /* 149 */ { MAD_F(0x062bd5b8) /* 0.385701865 */, 11 }, + /* 150 */ { MAD_F(0x0639fce4) /* 0.389157191 */, 11 }, + /* 151 */ { MAD_F(0x06482c1f) /* 0.392620204 */, 11 }, + /* 152 */ { MAD_F(0x06566361) /* 0.396090870 */, 11 }, + /* 153 */ { MAD_F(0x0664a2a0) /* 0.399569155 */, 11 }, + /* 154 */ { MAD_F(0x0672e9d4) /* 0.403055027 */, 11 }, + /* 155 */ { MAD_F(0x068138f3) /* 0.406548452 */, 11 }, + /* 156 */ { MAD_F(0x068f8ff5) /* 0.410049398 */, 11 }, + /* 157 */ { MAD_F(0x069deed1) /* 0.413557833 */, 11 }, + /* 158 */ { MAD_F(0x06ac557f) /* 0.417073724 */, 11 }, + /* 159 */ { MAD_F(0x06bac3f6) /* 0.420597041 */, 11 }, + + /* 160 */ { MAD_F(0x06c93a2e) /* 0.424127753 */, 11 }, + /* 161 */ { MAD_F(0x06d7b81f) /* 0.427665827 */, 11 }, + /* 162 */ { MAD_F(0x06e63dc0) /* 0.431211234 */, 11 }, + /* 163 */ { MAD_F(0x06f4cb09) /* 0.434763944 */, 11 }, + /* 164 */ { MAD_F(0x07035ff3) /* 0.438323927 */, 11 }, + /* 165 */ { MAD_F(0x0711fc75) /* 0.441891153 */, 11 }, + /* 166 */ { MAD_F(0x0720a087) /* 0.445465593 */, 11 }, + /* 167 */ { MAD_F(0x072f4c22) /* 0.449047217 */, 11 }, + /* 168 */ { MAD_F(0x073dff3e) /* 0.452635998 */, 11 }, + /* 169 */ { MAD_F(0x074cb9d3) /* 0.456231906 */, 11 }, + /* 170 */ { MAD_F(0x075b7bdb) /* 0.459834914 */, 11 }, + /* 171 */ { MAD_F(0x076a454c) /* 0.463444993 */, 11 }, + /* 172 */ { MAD_F(0x07791620) /* 0.467062117 */, 11 }, + /* 173 */ { MAD_F(0x0787ee50) /* 0.470686258 */, 11 }, + /* 174 */ { MAD_F(0x0796cdd4) /* 0.474317388 */, 11 }, + /* 175 */ { MAD_F(0x07a5b4a5) /* 0.477955481 */, 11 }, + + /* 176 */ { MAD_F(0x07b4a2bc) /* 0.481600510 */, 11 }, + /* 177 */ { MAD_F(0x07c39812) /* 0.485252449 */, 11 }, + /* 178 */ { MAD_F(0x07d294a0) /* 0.488911273 */, 11 }, + /* 179 */ { MAD_F(0x07e1985f) /* 0.492576954 */, 11 }, + /* 180 */ { MAD_F(0x07f0a348) /* 0.496249468 */, 11 }, + /* 181 */ { MAD_F(0x07ffb554) /* 0.499928790 */, 11 }, + /* 182 */ { MAD_F(0x0407673f) /* 0.251807447 */, 12 }, + /* 183 */ { MAD_F(0x040ef75e) /* 0.253653877 */, 12 }, + /* 184 */ { MAD_F(0x04168b05) /* 0.255503674 */, 12 }, + /* 185 */ { MAD_F(0x041e2230) /* 0.257356825 */, 12 }, + /* 186 */ { MAD_F(0x0425bcdd) /* 0.259213318 */, 12 }, + /* 187 */ { MAD_F(0x042d5b07) /* 0.261073141 */, 12 }, + /* 188 */ { MAD_F(0x0434fcad) /* 0.262936282 */, 12 }, + /* 189 */ { MAD_F(0x043ca1c9) /* 0.264802730 */, 12 }, + /* 190 */ { MAD_F(0x04444a5a) /* 0.266672472 */, 12 }, + /* 191 */ { MAD_F(0x044bf65d) /* 0.268545497 */, 12 }, + + /* 192 */ { MAD_F(0x0453a5cd) /* 0.270421794 */, 12 }, + /* 193 */ { MAD_F(0x045b58a9) /* 0.272301352 */, 12 }, + /* 194 */ { MAD_F(0x04630eed) /* 0.274184158 */, 12 }, + /* 195 */ { MAD_F(0x046ac896) /* 0.276070203 */, 12 }, + /* 196 */ { MAD_F(0x047285a2) /* 0.277959474 */, 12 }, + /* 197 */ { MAD_F(0x047a460c) /* 0.279851960 */, 12 }, + /* 198 */ { MAD_F(0x048209d3) /* 0.281747652 */, 12 }, + /* 199 */ { MAD_F(0x0489d0f4) /* 0.283646538 */, 12 }, + /* 200 */ { MAD_F(0x04919b6a) /* 0.285548607 */, 12 }, + /* 201 */ { MAD_F(0x04996935) /* 0.287453849 */, 12 }, + /* 202 */ { MAD_F(0x04a13a50) /* 0.289362253 */, 12 }, + /* 203 */ { MAD_F(0x04a90eba) /* 0.291273810 */, 12 }, + /* 204 */ { MAD_F(0x04b0e66e) /* 0.293188507 */, 12 }, + /* 205 */ { MAD_F(0x04b8c16c) /* 0.295106336 */, 12 }, + /* 206 */ { MAD_F(0x04c09faf) /* 0.297027285 */, 12 }, + /* 207 */ { MAD_F(0x04c88135) /* 0.298951346 */, 12 }, + + /* 208 */ { MAD_F(0x04d065fb) /* 0.300878507 */, 12 }, + /* 209 */ { MAD_F(0x04d84dff) /* 0.302808759 */, 12 }, + /* 210 */ { MAD_F(0x04e0393e) /* 0.304742092 */, 12 }, + /* 211 */ { MAD_F(0x04e827b6) /* 0.306678497 */, 12 }, + /* 212 */ { MAD_F(0x04f01963) /* 0.308617963 */, 12 }, + /* 213 */ { MAD_F(0x04f80e44) /* 0.310560480 */, 12 }, + /* 214 */ { MAD_F(0x05000655) /* 0.312506041 */, 12 }, + /* 215 */ { MAD_F(0x05080195) /* 0.314454634 */, 12 }, + /* 216 */ { MAD_F(0x05100000) /* 0.316406250 */, 12 }, + /* 217 */ { MAD_F(0x05180194) /* 0.318360880 */, 12 }, + /* 218 */ { MAD_F(0x0520064f) /* 0.320318516 */, 12 }, + /* 219 */ { MAD_F(0x05280e2d) /* 0.322279147 */, 12 }, + /* 220 */ { MAD_F(0x0530192e) /* 0.324242764 */, 12 }, + /* 221 */ { MAD_F(0x0538274e) /* 0.326209359 */, 12 }, + /* 222 */ { MAD_F(0x0540388a) /* 0.328178922 */, 12 }, + /* 223 */ { MAD_F(0x05484ce2) /* 0.330151445 */, 12 }, + + /* 224 */ { MAD_F(0x05506451) /* 0.332126919 */, 12 }, + /* 225 */ { MAD_F(0x05587ed5) /* 0.334105334 */, 12 }, + /* 226 */ { MAD_F(0x05609c6e) /* 0.336086683 */, 12 }, + /* 227 */ { MAD_F(0x0568bd17) /* 0.338070956 */, 12 }, + /* 228 */ { MAD_F(0x0570e0cf) /* 0.340058145 */, 12 }, + /* 229 */ { MAD_F(0x05790793) /* 0.342048241 */, 12 }, + /* 230 */ { MAD_F(0x05813162) /* 0.344041237 */, 12 }, + /* 231 */ { MAD_F(0x05895e39) /* 0.346037122 */, 12 }, + /* 232 */ { MAD_F(0x05918e15) /* 0.348035890 */, 12 }, + /* 233 */ { MAD_F(0x0599c0f4) /* 0.350037532 */, 12 }, + /* 234 */ { MAD_F(0x05a1f6d5) /* 0.352042040 */, 12 }, + /* 235 */ { MAD_F(0x05aa2fb5) /* 0.354049405 */, 12 }, + /* 236 */ { MAD_F(0x05b26b92) /* 0.356059619 */, 12 }, + /* 237 */ { MAD_F(0x05baaa69) /* 0.358072674 */, 12 }, + /* 238 */ { MAD_F(0x05c2ec39) /* 0.360088563 */, 12 }, + /* 239 */ { MAD_F(0x05cb3100) /* 0.362107278 */, 12 }, + + /* 240 */ { MAD_F(0x05d378bb) /* 0.364128809 */, 12 }, + /* 241 */ { MAD_F(0x05dbc368) /* 0.366153151 */, 12 }, + /* 242 */ { MAD_F(0x05e41105) /* 0.368180294 */, 12 }, + /* 243 */ { MAD_F(0x05ec6190) /* 0.370210231 */, 12 }, + /* 244 */ { MAD_F(0x05f4b507) /* 0.372242955 */, 12 }, + /* 245 */ { MAD_F(0x05fd0b68) /* 0.374278458 */, 12 }, + /* 246 */ { MAD_F(0x060564b1) /* 0.376316732 */, 12 }, + /* 247 */ { MAD_F(0x060dc0e0) /* 0.378357769 */, 12 }, + /* 248 */ { MAD_F(0x06161ff3) /* 0.380401563 */, 12 }, + /* 249 */ { MAD_F(0x061e81e8) /* 0.382448106 */, 12 }, + /* 250 */ { MAD_F(0x0626e6bc) /* 0.384497391 */, 12 }, + /* 251 */ { MAD_F(0x062f4e6f) /* 0.386549409 */, 12 }, + /* 252 */ { MAD_F(0x0637b8fd) /* 0.388604155 */, 12 }, + /* 253 */ { MAD_F(0x06402666) /* 0.390661620 */, 12 }, + /* 254 */ { MAD_F(0x064896a7) /* 0.392721798 */, 12 }, + /* 255 */ { MAD_F(0x065109be) /* 0.394784681 */, 12 }, + + /* 256 */ { MAD_F(0x06597fa9) /* 0.396850263 */, 12 }, + /* 257 */ { MAD_F(0x0661f867) /* 0.398918536 */, 12 }, + /* 258 */ { MAD_F(0x066a73f5) /* 0.400989493 */, 12 }, + /* 259 */ { MAD_F(0x0672f252) /* 0.403063128 */, 12 }, + /* 260 */ { MAD_F(0x067b737c) /* 0.405139433 */, 12 }, + /* 261 */ { MAD_F(0x0683f771) /* 0.407218402 */, 12 }, + /* 262 */ { MAD_F(0x068c7e2f) /* 0.409300027 */, 12 }, + /* 263 */ { MAD_F(0x069507b5) /* 0.411384303 */, 12 }, + /* 264 */ { MAD_F(0x069d9400) /* 0.413471222 */, 12 }, + /* 265 */ { MAD_F(0x06a6230f) /* 0.415560778 */, 12 }, + /* 266 */ { MAD_F(0x06aeb4e0) /* 0.417652964 */, 12 }, + /* 267 */ { MAD_F(0x06b74971) /* 0.419747773 */, 12 }, + /* 268 */ { MAD_F(0x06bfe0c0) /* 0.421845199 */, 12 }, + /* 269 */ { MAD_F(0x06c87acc) /* 0.423945235 */, 12 }, + /* 270 */ { MAD_F(0x06d11794) /* 0.426047876 */, 12 }, + /* 271 */ { MAD_F(0x06d9b714) /* 0.428153114 */, 12 }, + + /* 272 */ { MAD_F(0x06e2594c) /* 0.430260942 */, 12 }, + /* 273 */ { MAD_F(0x06eafe3a) /* 0.432371356 */, 12 }, + /* 274 */ { MAD_F(0x06f3a5dc) /* 0.434484348 */, 12 }, + /* 275 */ { MAD_F(0x06fc5030) /* 0.436599912 */, 12 }, + /* 276 */ { MAD_F(0x0704fd35) /* 0.438718042 */, 12 }, + /* 277 */ { MAD_F(0x070dacea) /* 0.440838732 */, 12 }, + /* 278 */ { MAD_F(0x07165f4b) /* 0.442961975 */, 12 }, + /* 279 */ { MAD_F(0x071f1459) /* 0.445087765 */, 12 }, + /* 280 */ { MAD_F(0x0727cc11) /* 0.447216097 */, 12 }, + /* 281 */ { MAD_F(0x07308671) /* 0.449346964 */, 12 }, + /* 282 */ { MAD_F(0x07394378) /* 0.451480360 */, 12 }, + /* 283 */ { MAD_F(0x07420325) /* 0.453616280 */, 12 }, + /* 284 */ { MAD_F(0x074ac575) /* 0.455754717 */, 12 }, + /* 285 */ { MAD_F(0x07538a67) /* 0.457895665 */, 12 }, + /* 286 */ { MAD_F(0x075c51fa) /* 0.460039119 */, 12 }, + /* 287 */ { MAD_F(0x07651c2c) /* 0.462185072 */, 12 }, + + /* 288 */ { MAD_F(0x076de8fc) /* 0.464333519 */, 12 }, + /* 289 */ { MAD_F(0x0776b867) /* 0.466484455 */, 12 }, + /* 290 */ { MAD_F(0x077f8a6d) /* 0.468637872 */, 12 }, + /* 291 */ { MAD_F(0x07885f0b) /* 0.470793767 */, 12 }, + /* 292 */ { MAD_F(0x07913641) /* 0.472952132 */, 12 }, + /* 293 */ { MAD_F(0x079a100c) /* 0.475112962 */, 12 }, + /* 294 */ { MAD_F(0x07a2ec6c) /* 0.477276252 */, 12 }, + /* 295 */ { MAD_F(0x07abcb5f) /* 0.479441997 */, 12 }, + /* 296 */ { MAD_F(0x07b4ace3) /* 0.481610189 */, 12 }, + /* 297 */ { MAD_F(0x07bd90f6) /* 0.483780825 */, 12 }, + /* 298 */ { MAD_F(0x07c67798) /* 0.485953899 */, 12 }, + /* 299 */ { MAD_F(0x07cf60c7) /* 0.488129404 */, 12 }, + /* 300 */ { MAD_F(0x07d84c81) /* 0.490307336 */, 12 }, + /* 301 */ { MAD_F(0x07e13ac5) /* 0.492487690 */, 12 }, + /* 302 */ { MAD_F(0x07ea2b92) /* 0.494670459 */, 12 }, + /* 303 */ { MAD_F(0x07f31ee6) /* 0.496855639 */, 12 }, + + /* 304 */ { MAD_F(0x07fc14bf) /* 0.499043224 */, 12 }, + /* 305 */ { MAD_F(0x0402868e) /* 0.250616605 */, 13 }, + /* 306 */ { MAD_F(0x040703ff) /* 0.251712795 */, 13 }, + /* 307 */ { MAD_F(0x040b82b0) /* 0.252810180 */, 13 }, + /* 308 */ { MAD_F(0x041002a1) /* 0.253908756 */, 13 }, + /* 309 */ { MAD_F(0x041483d1) /* 0.255008523 */, 13 }, + /* 310 */ { MAD_F(0x04190640) /* 0.256109476 */, 13 }, + /* 311 */ { MAD_F(0x041d89ed) /* 0.257211614 */, 13 }, + /* 312 */ { MAD_F(0x04220ed7) /* 0.258314934 */, 13 }, + /* 313 */ { MAD_F(0x042694fe) /* 0.259419433 */, 13 }, + /* 314 */ { MAD_F(0x042b1c60) /* 0.260525110 */, 13 }, + /* 315 */ { MAD_F(0x042fa4fe) /* 0.261631960 */, 13 }, + /* 316 */ { MAD_F(0x04342ed7) /* 0.262739982 */, 13 }, + /* 317 */ { MAD_F(0x0438b9e9) /* 0.263849174 */, 13 }, + /* 318 */ { MAD_F(0x043d4635) /* 0.264959533 */, 13 }, + /* 319 */ { MAD_F(0x0441d3b9) /* 0.266071056 */, 13 }, + + /* 320 */ { MAD_F(0x04466275) /* 0.267183742 */, 13 }, + /* 321 */ { MAD_F(0x044af269) /* 0.268297587 */, 13 }, + /* 322 */ { MAD_F(0x044f8393) /* 0.269412589 */, 13 }, + /* 323 */ { MAD_F(0x045415f3) /* 0.270528746 */, 13 }, + /* 324 */ { MAD_F(0x0458a989) /* 0.271646056 */, 13 }, + /* 325 */ { MAD_F(0x045d3e53) /* 0.272764515 */, 13 }, + /* 326 */ { MAD_F(0x0461d451) /* 0.273884123 */, 13 }, + /* 327 */ { MAD_F(0x04666b83) /* 0.275004875 */, 13 }, + /* 328 */ { MAD_F(0x046b03e7) /* 0.276126771 */, 13 }, + /* 329 */ { MAD_F(0x046f9d7e) /* 0.277249808 */, 13 }, + /* 330 */ { MAD_F(0x04743847) /* 0.278373983 */, 13 }, + /* 331 */ { MAD_F(0x0478d440) /* 0.279499294 */, 13 }, + /* 332 */ { MAD_F(0x047d716a) /* 0.280625739 */, 13 }, + /* 333 */ { MAD_F(0x04820fc3) /* 0.281753315 */, 13 }, + /* 334 */ { MAD_F(0x0486af4c) /* 0.282882021 */, 13 }, + /* 335 */ { MAD_F(0x048b5003) /* 0.284011853 */, 13 }, + + /* 336 */ { MAD_F(0x048ff1e8) /* 0.285142811 */, 13 }, + /* 337 */ { MAD_F(0x049494fb) /* 0.286274891 */, 13 }, + /* 338 */ { MAD_F(0x0499393a) /* 0.287408091 */, 13 }, + /* 339 */ { MAD_F(0x049ddea5) /* 0.288542409 */, 13 }, + /* 340 */ { MAD_F(0x04a2853c) /* 0.289677844 */, 13 }, + /* 341 */ { MAD_F(0x04a72cfe) /* 0.290814392 */, 13 }, + /* 342 */ { MAD_F(0x04abd5ea) /* 0.291952051 */, 13 }, + /* 343 */ { MAD_F(0x04b08000) /* 0.293090820 */, 13 }, + /* 344 */ { MAD_F(0x04b52b3f) /* 0.294230696 */, 13 }, + /* 345 */ { MAD_F(0x04b9d7a7) /* 0.295371678 */, 13 }, + /* 346 */ { MAD_F(0x04be8537) /* 0.296513762 */, 13 }, + /* 347 */ { MAD_F(0x04c333ee) /* 0.297656947 */, 13 }, + /* 348 */ { MAD_F(0x04c7e3cc) /* 0.298801231 */, 13 }, + /* 349 */ { MAD_F(0x04cc94d1) /* 0.299946611 */, 13 }, + /* 350 */ { MAD_F(0x04d146fb) /* 0.301093085 */, 13 }, + /* 351 */ { MAD_F(0x04d5fa4b) /* 0.302240653 */, 13 }, + + /* 352 */ { MAD_F(0x04daaec0) /* 0.303389310 */, 13 }, + /* 353 */ { MAD_F(0x04df6458) /* 0.304539056 */, 13 }, + /* 354 */ { MAD_F(0x04e41b14) /* 0.305689888 */, 13 }, + /* 355 */ { MAD_F(0x04e8d2f3) /* 0.306841804 */, 13 }, + /* 356 */ { MAD_F(0x04ed8bf5) /* 0.307994802 */, 13 }, + /* 357 */ { MAD_F(0x04f24618) /* 0.309148880 */, 13 }, + /* 358 */ { MAD_F(0x04f7015d) /* 0.310304037 */, 13 }, + /* 359 */ { MAD_F(0x04fbbdc3) /* 0.311460269 */, 13 }, + /* 360 */ { MAD_F(0x05007b49) /* 0.312617576 */, 13 }, + /* 361 */ { MAD_F(0x050539ef) /* 0.313775954 */, 13 }, + /* 362 */ { MAD_F(0x0509f9b4) /* 0.314935403 */, 13 }, + /* 363 */ { MAD_F(0x050eba98) /* 0.316095920 */, 13 }, + /* 364 */ { MAD_F(0x05137c9a) /* 0.317257503 */, 13 }, + /* 365 */ { MAD_F(0x05183fba) /* 0.318420150 */, 13 }, + /* 366 */ { MAD_F(0x051d03f7) /* 0.319583859 */, 13 }, + /* 367 */ { MAD_F(0x0521c950) /* 0.320748629 */, 13 }, + + /* 368 */ { MAD_F(0x05268fc6) /* 0.321914457 */, 13 }, + /* 369 */ { MAD_F(0x052b5757) /* 0.323081342 */, 13 }, + /* 370 */ { MAD_F(0x05302003) /* 0.324249281 */, 13 }, + /* 371 */ { MAD_F(0x0534e9ca) /* 0.325418273 */, 13 }, + /* 372 */ { MAD_F(0x0539b4ab) /* 0.326588316 */, 13 }, + /* 373 */ { MAD_F(0x053e80a6) /* 0.327759407 */, 13 }, + /* 374 */ { MAD_F(0x05434db9) /* 0.328931546 */, 13 }, + /* 375 */ { MAD_F(0x05481be5) /* 0.330104730 */, 13 }, + /* 376 */ { MAD_F(0x054ceb2a) /* 0.331278957 */, 13 }, + /* 377 */ { MAD_F(0x0551bb85) /* 0.332454225 */, 13 }, + /* 378 */ { MAD_F(0x05568cf8) /* 0.333630533 */, 13 }, + /* 379 */ { MAD_F(0x055b5f81) /* 0.334807879 */, 13 }, + /* 380 */ { MAD_F(0x05603321) /* 0.335986261 */, 13 }, + /* 381 */ { MAD_F(0x056507d6) /* 0.337165677 */, 13 }, + /* 382 */ { MAD_F(0x0569dda0) /* 0.338346125 */, 13 }, + /* 383 */ { MAD_F(0x056eb47f) /* 0.339527604 */, 13 }, + + /* 384 */ { MAD_F(0x05738c72) /* 0.340710111 */, 13 }, + /* 385 */ { MAD_F(0x05786578) /* 0.341893646 */, 13 }, + /* 386 */ { MAD_F(0x057d3f92) /* 0.343078205 */, 13 }, + /* 387 */ { MAD_F(0x05821abf) /* 0.344263788 */, 13 }, + /* 388 */ { MAD_F(0x0586f6fd) /* 0.345450393 */, 13 }, + /* 389 */ { MAD_F(0x058bd44e) /* 0.346638017 */, 13 }, + /* 390 */ { MAD_F(0x0590b2b0) /* 0.347826659 */, 13 }, + /* 391 */ { MAD_F(0x05959222) /* 0.349016318 */, 13 }, + /* 392 */ { MAD_F(0x059a72a5) /* 0.350206992 */, 13 }, + /* 393 */ { MAD_F(0x059f5438) /* 0.351398678 */, 13 }, + /* 394 */ { MAD_F(0x05a436da) /* 0.352591376 */, 13 }, + /* 395 */ { MAD_F(0x05a91a8c) /* 0.353785083 */, 13 }, + /* 396 */ { MAD_F(0x05adff4c) /* 0.354979798 */, 13 }, + /* 397 */ { MAD_F(0x05b2e51a) /* 0.356175519 */, 13 }, + /* 398 */ { MAD_F(0x05b7cbf5) /* 0.357372244 */, 13 }, + /* 399 */ { MAD_F(0x05bcb3de) /* 0.358569972 */, 13 }, + + /* 400 */ { MAD_F(0x05c19cd3) /* 0.359768701 */, 13 }, + /* 401 */ { MAD_F(0x05c686d5) /* 0.360968429 */, 13 }, + /* 402 */ { MAD_F(0x05cb71e2) /* 0.362169156 */, 13 }, + /* 403 */ { MAD_F(0x05d05dfb) /* 0.363370878 */, 13 }, + /* 404 */ { MAD_F(0x05d54b1f) /* 0.364573594 */, 13 }, + /* 405 */ { MAD_F(0x05da394d) /* 0.365777304 */, 13 }, + /* 406 */ { MAD_F(0x05df2885) /* 0.366982004 */, 13 }, + /* 407 */ { MAD_F(0x05e418c7) /* 0.368187694 */, 13 }, + /* 408 */ { MAD_F(0x05e90a12) /* 0.369394372 */, 13 }, + /* 409 */ { MAD_F(0x05edfc66) /* 0.370602036 */, 13 }, + /* 410 */ { MAD_F(0x05f2efc2) /* 0.371810684 */, 13 }, + /* 411 */ { MAD_F(0x05f7e426) /* 0.373020316 */, 13 }, + /* 412 */ { MAD_F(0x05fcd992) /* 0.374230929 */, 13 }, + /* 413 */ { MAD_F(0x0601d004) /* 0.375442522 */, 13 }, + /* 414 */ { MAD_F(0x0606c77d) /* 0.376655093 */, 13 }, + /* 415 */ { MAD_F(0x060bbffd) /* 0.377868641 */, 13 }, + + /* 416 */ { MAD_F(0x0610b982) /* 0.379083164 */, 13 }, + /* 417 */ { MAD_F(0x0615b40c) /* 0.380298661 */, 13 }, + /* 418 */ { MAD_F(0x061aaf9c) /* 0.381515130 */, 13 }, + /* 419 */ { MAD_F(0x061fac2f) /* 0.382732569 */, 13 }, + /* 420 */ { MAD_F(0x0624a9c7) /* 0.383950977 */, 13 }, + /* 421 */ { MAD_F(0x0629a863) /* 0.385170352 */, 13 }, + /* 422 */ { MAD_F(0x062ea802) /* 0.386390694 */, 13 }, + /* 423 */ { MAD_F(0x0633a8a3) /* 0.387611999 */, 13 }, + /* 424 */ { MAD_F(0x0638aa48) /* 0.388834268 */, 13 }, + /* 425 */ { MAD_F(0x063dacee) /* 0.390057497 */, 13 }, + /* 426 */ { MAD_F(0x0642b096) /* 0.391281687 */, 13 }, + /* 427 */ { MAD_F(0x0647b53f) /* 0.392506834 */, 13 }, + /* 428 */ { MAD_F(0x064cbae9) /* 0.393732939 */, 13 }, + /* 429 */ { MAD_F(0x0651c193) /* 0.394959999 */, 13 }, + /* 430 */ { MAD_F(0x0656c93d) /* 0.396188012 */, 13 }, + /* 431 */ { MAD_F(0x065bd1e7) /* 0.397416978 */, 13 }, + + /* 432 */ { MAD_F(0x0660db91) /* 0.398646895 */, 13 }, + /* 433 */ { MAD_F(0x0665e639) /* 0.399877761 */, 13 }, + /* 434 */ { MAD_F(0x066af1df) /* 0.401109575 */, 13 }, + /* 435 */ { MAD_F(0x066ffe84) /* 0.402342335 */, 13 }, + /* 436 */ { MAD_F(0x06750c26) /* 0.403576041 */, 13 }, + /* 437 */ { MAD_F(0x067a1ac6) /* 0.404810690 */, 13 }, + /* 438 */ { MAD_F(0x067f2a62) /* 0.406046281 */, 13 }, + /* 439 */ { MAD_F(0x06843afb) /* 0.407282813 */, 13 }, + /* 440 */ { MAD_F(0x06894c90) /* 0.408520284 */, 13 }, + /* 441 */ { MAD_F(0x068e5f21) /* 0.409758693 */, 13 }, + /* 442 */ { MAD_F(0x069372ae) /* 0.410998038 */, 13 }, + /* 443 */ { MAD_F(0x06988735) /* 0.412238319 */, 13 }, + /* 444 */ { MAD_F(0x069d9cb7) /* 0.413479532 */, 13 }, + /* 445 */ { MAD_F(0x06a2b333) /* 0.414721679 */, 13 }, + /* 446 */ { MAD_F(0x06a7caa9) /* 0.415964756 */, 13 }, + /* 447 */ { MAD_F(0x06ace318) /* 0.417208762 */, 13 }, + + /* 448 */ { MAD_F(0x06b1fc81) /* 0.418453696 */, 13 }, + /* 449 */ { MAD_F(0x06b716e2) /* 0.419699557 */, 13 }, + /* 450 */ { MAD_F(0x06bc323b) /* 0.420946343 */, 13 }, + /* 451 */ { MAD_F(0x06c14e8d) /* 0.422194054 */, 13 }, + /* 452 */ { MAD_F(0x06c66bd6) /* 0.423442686 */, 13 }, + /* 453 */ { MAD_F(0x06cb8a17) /* 0.424692240 */, 13 }, + /* 454 */ { MAD_F(0x06d0a94e) /* 0.425942714 */, 13 }, + /* 455 */ { MAD_F(0x06d5c97c) /* 0.427194106 */, 13 }, + /* 456 */ { MAD_F(0x06daeaa1) /* 0.428446415 */, 13 }, + /* 457 */ { MAD_F(0x06e00cbb) /* 0.429699640 */, 13 }, + /* 458 */ { MAD_F(0x06e52fca) /* 0.430953779 */, 13 }, + /* 459 */ { MAD_F(0x06ea53cf) /* 0.432208832 */, 13 }, + /* 460 */ { MAD_F(0x06ef78c8) /* 0.433464796 */, 13 }, + /* 461 */ { MAD_F(0x06f49eb6) /* 0.434721671 */, 13 }, + /* 462 */ { MAD_F(0x06f9c597) /* 0.435979455 */, 13 }, + /* 463 */ { MAD_F(0x06feed6d) /* 0.437238146 */, 13 }, + + /* 464 */ { MAD_F(0x07041636) /* 0.438497744 */, 13 }, + /* 465 */ { MAD_F(0x07093ff2) /* 0.439758248 */, 13 }, + /* 466 */ { MAD_F(0x070e6aa0) /* 0.441019655 */, 13 }, + /* 467 */ { MAD_F(0x07139641) /* 0.442281965 */, 13 }, + /* 468 */ { MAD_F(0x0718c2d3) /* 0.443545176 */, 13 }, + /* 469 */ { MAD_F(0x071df058) /* 0.444809288 */, 13 }, + /* 470 */ { MAD_F(0x07231ecd) /* 0.446074298 */, 13 }, + /* 471 */ { MAD_F(0x07284e34) /* 0.447340205 */, 13 }, + /* 472 */ { MAD_F(0x072d7e8b) /* 0.448607009 */, 13 }, + /* 473 */ { MAD_F(0x0732afd2) /* 0.449874708 */, 13 }, + /* 474 */ { MAD_F(0x0737e209) /* 0.451143300 */, 13 }, + /* 475 */ { MAD_F(0x073d1530) /* 0.452412785 */, 13 }, + /* 476 */ { MAD_F(0x07424946) /* 0.453683161 */, 13 }, + /* 477 */ { MAD_F(0x07477e4b) /* 0.454954427 */, 13 }, + /* 478 */ { MAD_F(0x074cb43e) /* 0.456226581 */, 13 }, + /* 479 */ { MAD_F(0x0751eb20) /* 0.457499623 */, 13 }, + + /* 480 */ { MAD_F(0x075722ef) /* 0.458773552 */, 13 }, + /* 481 */ { MAD_F(0x075c5bac) /* 0.460048365 */, 13 }, + /* 482 */ { MAD_F(0x07619557) /* 0.461324062 */, 13 }, + /* 483 */ { MAD_F(0x0766cfee) /* 0.462600642 */, 13 }, + /* 484 */ { MAD_F(0x076c0b72) /* 0.463878102 */, 13 }, + /* 485 */ { MAD_F(0x077147e2) /* 0.465156443 */, 13 }, + /* 486 */ { MAD_F(0x0776853e) /* 0.466435663 */, 13 }, + /* 487 */ { MAD_F(0x077bc385) /* 0.467715761 */, 13 }, + /* 488 */ { MAD_F(0x078102b8) /* 0.468996735 */, 13 }, + /* 489 */ { MAD_F(0x078642d6) /* 0.470278584 */, 13 }, + /* 490 */ { MAD_F(0x078b83de) /* 0.471561307 */, 13 }, + /* 491 */ { MAD_F(0x0790c5d1) /* 0.472844904 */, 13 }, + /* 492 */ { MAD_F(0x079608ae) /* 0.474129372 */, 13 }, + /* 493 */ { MAD_F(0x079b4c74) /* 0.475414710 */, 13 }, + /* 494 */ { MAD_F(0x07a09124) /* 0.476700918 */, 13 }, + /* 495 */ { MAD_F(0x07a5d6bd) /* 0.477987994 */, 13 }, + + /* 496 */ { MAD_F(0x07ab1d3e) /* 0.479275937 */, 13 }, + /* 497 */ { MAD_F(0x07b064a8) /* 0.480564746 */, 13 }, + /* 498 */ { MAD_F(0x07b5acfb) /* 0.481854420 */, 13 }, + /* 499 */ { MAD_F(0x07baf635) /* 0.483144957 */, 13 }, + /* 500 */ { MAD_F(0x07c04056) /* 0.484436356 */, 13 }, + /* 501 */ { MAD_F(0x07c58b5f) /* 0.485728617 */, 13 }, + /* 502 */ { MAD_F(0x07cad74e) /* 0.487021738 */, 13 }, + /* 503 */ { MAD_F(0x07d02424) /* 0.488315717 */, 13 }, + /* 504 */ { MAD_F(0x07d571e0) /* 0.489610555 */, 13 }, + /* 505 */ { MAD_F(0x07dac083) /* 0.490906249 */, 13 }, + /* 506 */ { MAD_F(0x07e0100a) /* 0.492202799 */, 13 }, + /* 507 */ { MAD_F(0x07e56078) /* 0.493500203 */, 13 }, + /* 508 */ { MAD_F(0x07eab1ca) /* 0.494798460 */, 13 }, + /* 509 */ { MAD_F(0x07f00401) /* 0.496097570 */, 13 }, + /* 510 */ { MAD_F(0x07f5571d) /* 0.497397530 */, 13 }, + /* 511 */ { MAD_F(0x07faab1c) /* 0.498698341 */, 13 }, + + /* 512 */ { MAD_F(0x04000000) /* 0.250000000 */, 14 }, + /* 513 */ { MAD_F(0x0402aae3) /* 0.250651254 */, 14 }, + /* 514 */ { MAD_F(0x04055638) /* 0.251302930 */, 14 }, + /* 515 */ { MAD_F(0x040801ff) /* 0.251955030 */, 14 }, + /* 516 */ { MAD_F(0x040aae37) /* 0.252607552 */, 14 }, + /* 517 */ { MAD_F(0x040d5ae0) /* 0.253260495 */, 14 }, + /* 518 */ { MAD_F(0x041007fa) /* 0.253913860 */, 14 }, + /* 519 */ { MAD_F(0x0412b586) /* 0.254567645 */, 14 }, + /* 520 */ { MAD_F(0x04156381) /* 0.255221850 */, 14 }, + /* 521 */ { MAD_F(0x041811ee) /* 0.255876475 */, 14 }, + /* 522 */ { MAD_F(0x041ac0cb) /* 0.256531518 */, 14 }, + /* 523 */ { MAD_F(0x041d7018) /* 0.257186980 */, 14 }, + /* 524 */ { MAD_F(0x04201fd5) /* 0.257842860 */, 14 }, + /* 525 */ { MAD_F(0x0422d003) /* 0.258499157 */, 14 }, + /* 526 */ { MAD_F(0x042580a0) /* 0.259155872 */, 14 }, + /* 527 */ { MAD_F(0x042831ad) /* 0.259813002 */, 14 }, + + /* 528 */ { MAD_F(0x042ae32a) /* 0.260470548 */, 14 }, + /* 529 */ { MAD_F(0x042d9516) /* 0.261128510 */, 14 }, + /* 530 */ { MAD_F(0x04304772) /* 0.261786886 */, 14 }, + /* 531 */ { MAD_F(0x0432fa3d) /* 0.262445676 */, 14 }, + /* 532 */ { MAD_F(0x0435ad76) /* 0.263104880 */, 14 }, + /* 533 */ { MAD_F(0x0438611f) /* 0.263764497 */, 14 }, + /* 534 */ { MAD_F(0x043b1536) /* 0.264424527 */, 14 }, + /* 535 */ { MAD_F(0x043dc9bc) /* 0.265084969 */, 14 }, + /* 536 */ { MAD_F(0x04407eb1) /* 0.265745823 */, 14 }, + /* 537 */ { MAD_F(0x04433414) /* 0.266407088 */, 14 }, + /* 538 */ { MAD_F(0x0445e9e5) /* 0.267068763 */, 14 }, + /* 539 */ { MAD_F(0x0448a024) /* 0.267730848 */, 14 }, + /* 540 */ { MAD_F(0x044b56d1) /* 0.268393343 */, 14 }, + /* 541 */ { MAD_F(0x044e0dec) /* 0.269056248 */, 14 }, + /* 542 */ { MAD_F(0x0450c575) /* 0.269719560 */, 14 }, + /* 543 */ { MAD_F(0x04537d6b) /* 0.270383281 */, 14 }, + + /* 544 */ { MAD_F(0x045635cf) /* 0.271047409 */, 14 }, + /* 545 */ { MAD_F(0x0458ee9f) /* 0.271711944 */, 14 }, + /* 546 */ { MAD_F(0x045ba7dd) /* 0.272376886 */, 14 }, + /* 547 */ { MAD_F(0x045e6188) /* 0.273042234 */, 14 }, + /* 548 */ { MAD_F(0x04611ba0) /* 0.273707988 */, 14 }, + /* 549 */ { MAD_F(0x0463d625) /* 0.274374147 */, 14 }, + /* 550 */ { MAD_F(0x04669116) /* 0.275040710 */, 14 }, + /* 551 */ { MAD_F(0x04694c74) /* 0.275707677 */, 14 }, + /* 552 */ { MAD_F(0x046c083e) /* 0.276375048 */, 14 }, + /* 553 */ { MAD_F(0x046ec474) /* 0.277042822 */, 14 }, + /* 554 */ { MAD_F(0x04718116) /* 0.277710999 */, 14 }, + /* 555 */ { MAD_F(0x04743e25) /* 0.278379578 */, 14 }, + /* 556 */ { MAD_F(0x0476fb9f) /* 0.279048558 */, 14 }, + /* 557 */ { MAD_F(0x0479b984) /* 0.279717940 */, 14 }, + /* 558 */ { MAD_F(0x047c77d6) /* 0.280387722 */, 14 }, + /* 559 */ { MAD_F(0x047f3693) /* 0.281057905 */, 14 }, + + /* 560 */ { MAD_F(0x0481f5bb) /* 0.281728487 */, 14 }, + /* 561 */ { MAD_F(0x0484b54e) /* 0.282399469 */, 14 }, + /* 562 */ { MAD_F(0x0487754c) /* 0.283070849 */, 14 }, + /* 563 */ { MAD_F(0x048a35b6) /* 0.283742628 */, 14 }, + /* 564 */ { MAD_F(0x048cf68a) /* 0.284414805 */, 14 }, + /* 565 */ { MAD_F(0x048fb7c8) /* 0.285087379 */, 14 }, + /* 566 */ { MAD_F(0x04927972) /* 0.285760350 */, 14 }, + /* 567 */ { MAD_F(0x04953b85) /* 0.286433717 */, 14 }, + /* 568 */ { MAD_F(0x0497fe03) /* 0.287107481 */, 14 }, + /* 569 */ { MAD_F(0x049ac0eb) /* 0.287781640 */, 14 }, + /* 570 */ { MAD_F(0x049d843e) /* 0.288456194 */, 14 }, + /* 571 */ { MAD_F(0x04a047fa) /* 0.289131142 */, 14 }, + /* 572 */ { MAD_F(0x04a30c20) /* 0.289806485 */, 14 }, + /* 573 */ { MAD_F(0x04a5d0af) /* 0.290482221 */, 14 }, + /* 574 */ { MAD_F(0x04a895a8) /* 0.291158351 */, 14 }, + /* 575 */ { MAD_F(0x04ab5b0b) /* 0.291834873 */, 14 }, + + /* 576 */ { MAD_F(0x04ae20d7) /* 0.292511788 */, 14 }, + /* 577 */ { MAD_F(0x04b0e70c) /* 0.293189094 */, 14 }, + /* 578 */ { MAD_F(0x04b3adaa) /* 0.293866792 */, 14 }, + /* 579 */ { MAD_F(0x04b674b1) /* 0.294544881 */, 14 }, + /* 580 */ { MAD_F(0x04b93c21) /* 0.295223360 */, 14 }, + /* 581 */ { MAD_F(0x04bc03fa) /* 0.295902229 */, 14 }, + /* 582 */ { MAD_F(0x04becc3b) /* 0.296581488 */, 14 }, + /* 583 */ { MAD_F(0x04c194e4) /* 0.297261136 */, 14 }, + /* 584 */ { MAD_F(0x04c45df6) /* 0.297941173 */, 14 }, + /* 585 */ { MAD_F(0x04c72771) /* 0.298621598 */, 14 }, + /* 586 */ { MAD_F(0x04c9f153) /* 0.299302411 */, 14 }, + /* 587 */ { MAD_F(0x04ccbb9d) /* 0.299983611 */, 14 }, + /* 588 */ { MAD_F(0x04cf864f) /* 0.300665198 */, 14 }, + /* 589 */ { MAD_F(0x04d25169) /* 0.301347172 */, 14 }, + /* 590 */ { MAD_F(0x04d51ceb) /* 0.302029532 */, 14 }, + /* 591 */ { MAD_F(0x04d7e8d4) /* 0.302712277 */, 14 }, + + /* 592 */ { MAD_F(0x04dab524) /* 0.303395408 */, 14 }, + /* 593 */ { MAD_F(0x04dd81dc) /* 0.304078923 */, 14 }, + /* 594 */ { MAD_F(0x04e04efb) /* 0.304762823 */, 14 }, + /* 595 */ { MAD_F(0x04e31c81) /* 0.305447106 */, 14 }, + /* 596 */ { MAD_F(0x04e5ea6e) /* 0.306131773 */, 14 }, + /* 597 */ { MAD_F(0x04e8b8c2) /* 0.306816823 */, 14 }, + /* 598 */ { MAD_F(0x04eb877c) /* 0.307502256 */, 14 }, + /* 599 */ { MAD_F(0x04ee569d) /* 0.308188071 */, 14 }, + /* 600 */ { MAD_F(0x04f12624) /* 0.308874267 */, 14 }, + /* 601 */ { MAD_F(0x04f3f612) /* 0.309560845 */, 14 }, + /* 602 */ { MAD_F(0x04f6c666) /* 0.310247804 */, 14 }, + /* 603 */ { MAD_F(0x04f99721) /* 0.310935143 */, 14 }, + /* 604 */ { MAD_F(0x04fc6841) /* 0.311622862 */, 14 }, + /* 605 */ { MAD_F(0x04ff39c7) /* 0.312310961 */, 14 }, + /* 606 */ { MAD_F(0x05020bb3) /* 0.312999439 */, 14 }, + /* 607 */ { MAD_F(0x0504de05) /* 0.313688296 */, 14 }, + + /* 608 */ { MAD_F(0x0507b0bc) /* 0.314377532 */, 14 }, + /* 609 */ { MAD_F(0x050a83d8) /* 0.315067145 */, 14 }, + /* 610 */ { MAD_F(0x050d575b) /* 0.315757136 */, 14 }, + /* 611 */ { MAD_F(0x05102b42) /* 0.316447504 */, 14 }, + /* 612 */ { MAD_F(0x0512ff8e) /* 0.317138249 */, 14 }, + /* 613 */ { MAD_F(0x0515d440) /* 0.317829370 */, 14 }, + /* 614 */ { MAD_F(0x0518a956) /* 0.318520867 */, 14 }, + /* 615 */ { MAD_F(0x051b7ed1) /* 0.319212739 */, 14 }, + /* 616 */ { MAD_F(0x051e54b1) /* 0.319904987 */, 14 }, + /* 617 */ { MAD_F(0x05212af5) /* 0.320597609 */, 14 }, + /* 618 */ { MAD_F(0x0524019e) /* 0.321290606 */, 14 }, + /* 619 */ { MAD_F(0x0526d8ab) /* 0.321983976 */, 14 }, + /* 620 */ { MAD_F(0x0529b01d) /* 0.322677720 */, 14 }, + /* 621 */ { MAD_F(0x052c87f2) /* 0.323371837 */, 14 }, + /* 622 */ { MAD_F(0x052f602c) /* 0.324066327 */, 14 }, + /* 623 */ { MAD_F(0x053238ca) /* 0.324761189 */, 14 }, + + /* 624 */ { MAD_F(0x053511cb) /* 0.325456423 */, 14 }, + /* 625 */ { MAD_F(0x0537eb30) /* 0.326152028 */, 14 }, + /* 626 */ { MAD_F(0x053ac4f9) /* 0.326848005 */, 14 }, + /* 627 */ { MAD_F(0x053d9f25) /* 0.327544352 */, 14 }, + /* 628 */ { MAD_F(0x054079b5) /* 0.328241070 */, 14 }, + /* 629 */ { MAD_F(0x054354a8) /* 0.328938157 */, 14 }, + /* 630 */ { MAD_F(0x05462ffe) /* 0.329635614 */, 14 }, + /* 631 */ { MAD_F(0x05490bb7) /* 0.330333440 */, 14 }, + /* 632 */ { MAD_F(0x054be7d4) /* 0.331031635 */, 14 }, + /* 633 */ { MAD_F(0x054ec453) /* 0.331730198 */, 14 }, + /* 634 */ { MAD_F(0x0551a134) /* 0.332429129 */, 14 }, + /* 635 */ { MAD_F(0x05547e79) /* 0.333128427 */, 14 }, + /* 636 */ { MAD_F(0x05575c20) /* 0.333828093 */, 14 }, + /* 637 */ { MAD_F(0x055a3a2a) /* 0.334528126 */, 14 }, + /* 638 */ { MAD_F(0x055d1896) /* 0.335228525 */, 14 }, + /* 639 */ { MAD_F(0x055ff764) /* 0.335929290 */, 14 }, + + /* 640 */ { MAD_F(0x0562d694) /* 0.336630420 */, 14 }, + /* 641 */ { MAD_F(0x0565b627) /* 0.337331916 */, 14 }, + /* 642 */ { MAD_F(0x0568961b) /* 0.338033777 */, 14 }, + /* 643 */ { MAD_F(0x056b7671) /* 0.338736002 */, 14 }, + /* 644 */ { MAD_F(0x056e5729) /* 0.339438592 */, 14 }, + /* 645 */ { MAD_F(0x05713843) /* 0.340141545 */, 14 }, + /* 646 */ { MAD_F(0x057419be) /* 0.340844862 */, 14 }, + /* 647 */ { MAD_F(0x0576fb9a) /* 0.341548541 */, 14 }, + /* 648 */ { MAD_F(0x0579ddd8) /* 0.342252584 */, 14 }, + /* 649 */ { MAD_F(0x057cc077) /* 0.342956988 */, 14 }, + /* 650 */ { MAD_F(0x057fa378) /* 0.343661754 */, 14 }, + /* 651 */ { MAD_F(0x058286d9) /* 0.344366882 */, 14 }, + /* 652 */ { MAD_F(0x05856a9b) /* 0.345072371 */, 14 }, + /* 653 */ { MAD_F(0x05884ebe) /* 0.345778221 */, 14 }, + /* 654 */ { MAD_F(0x058b3342) /* 0.346484431 */, 14 }, + /* 655 */ { MAD_F(0x058e1827) /* 0.347191002 */, 14 }, + + /* 656 */ { MAD_F(0x0590fd6c) /* 0.347897931 */, 14 }, + /* 657 */ { MAD_F(0x0593e311) /* 0.348605221 */, 14 }, + /* 658 */ { MAD_F(0x0596c917) /* 0.349312869 */, 14 }, + /* 659 */ { MAD_F(0x0599af7d) /* 0.350020876 */, 14 }, + /* 660 */ { MAD_F(0x059c9643) /* 0.350729240 */, 14 }, + /* 661 */ { MAD_F(0x059f7d6a) /* 0.351437963 */, 14 }, + /* 662 */ { MAD_F(0x05a264f0) /* 0.352147044 */, 14 }, + /* 663 */ { MAD_F(0x05a54cd6) /* 0.352856481 */, 14 }, + /* 664 */ { MAD_F(0x05a8351c) /* 0.353566275 */, 14 }, + /* 665 */ { MAD_F(0x05ab1dc2) /* 0.354276426 */, 14 }, + /* 666 */ { MAD_F(0x05ae06c7) /* 0.354986932 */, 14 }, + /* 667 */ { MAD_F(0x05b0f02b) /* 0.355697795 */, 14 }, + /* 668 */ { MAD_F(0x05b3d9f0) /* 0.356409012 */, 14 }, + /* 669 */ { MAD_F(0x05b6c413) /* 0.357120585 */, 14 }, + /* 670 */ { MAD_F(0x05b9ae95) /* 0.357832512 */, 14 }, + /* 671 */ { MAD_F(0x05bc9977) /* 0.358544794 */, 14 }, + + /* 672 */ { MAD_F(0x05bf84b8) /* 0.359257429 */, 14 }, + /* 673 */ { MAD_F(0x05c27057) /* 0.359970419 */, 14 }, + /* 674 */ { MAD_F(0x05c55c56) /* 0.360683761 */, 14 }, + /* 675 */ { MAD_F(0x05c848b3) /* 0.361397456 */, 14 }, + /* 676 */ { MAD_F(0x05cb356e) /* 0.362111504 */, 14 }, + /* 677 */ { MAD_F(0x05ce2289) /* 0.362825904 */, 14 }, + /* 678 */ { MAD_F(0x05d11001) /* 0.363540655 */, 14 }, + /* 679 */ { MAD_F(0x05d3fdd8) /* 0.364255759 */, 14 }, + /* 680 */ { MAD_F(0x05d6ec0e) /* 0.364971213 */, 14 }, + /* 681 */ { MAD_F(0x05d9daa1) /* 0.365687018 */, 14 }, + /* 682 */ { MAD_F(0x05dcc993) /* 0.366403174 */, 14 }, + /* 683 */ { MAD_F(0x05dfb8e2) /* 0.367119680 */, 14 }, + /* 684 */ { MAD_F(0x05e2a890) /* 0.367836535 */, 14 }, + /* 685 */ { MAD_F(0x05e5989b) /* 0.368553740 */, 14 }, + /* 686 */ { MAD_F(0x05e88904) /* 0.369271294 */, 14 }, + /* 687 */ { MAD_F(0x05eb79cb) /* 0.369989197 */, 14 }, + + /* 688 */ { MAD_F(0x05ee6aef) /* 0.370707448 */, 14 }, + /* 689 */ { MAD_F(0x05f15c70) /* 0.371426047 */, 14 }, + /* 690 */ { MAD_F(0x05f44e4f) /* 0.372144994 */, 14 }, + /* 691 */ { MAD_F(0x05f7408b) /* 0.372864289 */, 14 }, + /* 692 */ { MAD_F(0x05fa3324) /* 0.373583930 */, 14 }, + /* 693 */ { MAD_F(0x05fd261b) /* 0.374303918 */, 14 }, + /* 694 */ { MAD_F(0x0600196e) /* 0.375024253 */, 14 }, + /* 695 */ { MAD_F(0x06030d1e) /* 0.375744934 */, 14 }, + /* 696 */ { MAD_F(0x0606012b) /* 0.376465960 */, 14 }, + /* 697 */ { MAD_F(0x0608f595) /* 0.377187332 */, 14 }, + /* 698 */ { MAD_F(0x060bea5c) /* 0.377909049 */, 14 }, + /* 699 */ { MAD_F(0x060edf7f) /* 0.378631110 */, 14 }, + /* 700 */ { MAD_F(0x0611d4fe) /* 0.379353516 */, 14 }, + /* 701 */ { MAD_F(0x0614cada) /* 0.380076266 */, 14 }, + /* 702 */ { MAD_F(0x0617c112) /* 0.380799360 */, 14 }, + /* 703 */ { MAD_F(0x061ab7a6) /* 0.381522798 */, 14 }, + + /* 704 */ { MAD_F(0x061dae96) /* 0.382246578 */, 14 }, + /* 705 */ { MAD_F(0x0620a5e3) /* 0.382970701 */, 14 }, + /* 706 */ { MAD_F(0x06239d8b) /* 0.383695167 */, 14 }, + /* 707 */ { MAD_F(0x0626958f) /* 0.384419975 */, 14 }, + /* 708 */ { MAD_F(0x06298def) /* 0.385145124 */, 14 }, + /* 709 */ { MAD_F(0x062c86aa) /* 0.385870615 */, 14 }, + /* 710 */ { MAD_F(0x062f7fc1) /* 0.386596448 */, 14 }, + /* 711 */ { MAD_F(0x06327934) /* 0.387322621 */, 14 }, + /* 712 */ { MAD_F(0x06357302) /* 0.388049134 */, 14 }, + /* 713 */ { MAD_F(0x06386d2b) /* 0.388775988 */, 14 }, + /* 714 */ { MAD_F(0x063b67b0) /* 0.389503182 */, 14 }, + /* 715 */ { MAD_F(0x063e6290) /* 0.390230715 */, 14 }, + /* 716 */ { MAD_F(0x06415dcb) /* 0.390958588 */, 14 }, + /* 717 */ { MAD_F(0x06445960) /* 0.391686799 */, 14 }, + /* 718 */ { MAD_F(0x06475551) /* 0.392415349 */, 14 }, + /* 719 */ { MAD_F(0x064a519c) /* 0.393144238 */, 14 }, + + /* 720 */ { MAD_F(0x064d4e43) /* 0.393873464 */, 14 }, + /* 721 */ { MAD_F(0x06504b44) /* 0.394603028 */, 14 }, + /* 722 */ { MAD_F(0x0653489f) /* 0.395332930 */, 14 }, + /* 723 */ { MAD_F(0x06564655) /* 0.396063168 */, 14 }, + /* 724 */ { MAD_F(0x06594465) /* 0.396793743 */, 14 }, + /* 725 */ { MAD_F(0x065c42d0) /* 0.397524655 */, 14 }, + /* 726 */ { MAD_F(0x065f4195) /* 0.398255903 */, 14 }, + /* 727 */ { MAD_F(0x066240b4) /* 0.398987487 */, 14 }, + /* 728 */ { MAD_F(0x0665402d) /* 0.399719406 */, 14 }, + /* 729 */ { MAD_F(0x06684000) /* 0.400451660 */, 14 }, + /* 730 */ { MAD_F(0x066b402d) /* 0.401184249 */, 14 }, + /* 731 */ { MAD_F(0x066e40b3) /* 0.401917173 */, 14 }, + /* 732 */ { MAD_F(0x06714194) /* 0.402650431 */, 14 }, + /* 733 */ { MAD_F(0x067442ce) /* 0.403384024 */, 14 }, + /* 734 */ { MAD_F(0x06774462) /* 0.404117949 */, 14 }, + /* 735 */ { MAD_F(0x067a464f) /* 0.404852209 */, 14 }, + + /* 736 */ { MAD_F(0x067d4896) /* 0.405586801 */, 14 }, + /* 737 */ { MAD_F(0x06804b36) /* 0.406321726 */, 14 }, + /* 738 */ { MAD_F(0x06834e2f) /* 0.407056983 */, 14 }, + /* 739 */ { MAD_F(0x06865181) /* 0.407792573 */, 14 }, + /* 740 */ { MAD_F(0x0689552c) /* 0.408528495 */, 14 }, + /* 741 */ { MAD_F(0x068c5931) /* 0.409264748 */, 14 }, + /* 742 */ { MAD_F(0x068f5d8e) /* 0.410001332 */, 14 }, + /* 743 */ { MAD_F(0x06926245) /* 0.410738247 */, 14 }, + /* 744 */ { MAD_F(0x06956753) /* 0.411475493 */, 14 }, + /* 745 */ { MAD_F(0x06986cbb) /* 0.412213070 */, 14 }, + /* 746 */ { MAD_F(0x069b727b) /* 0.412950976 */, 14 }, + /* 747 */ { MAD_F(0x069e7894) /* 0.413689213 */, 14 }, + /* 748 */ { MAD_F(0x06a17f05) /* 0.414427779 */, 14 }, + /* 749 */ { MAD_F(0x06a485cf) /* 0.415166674 */, 14 }, + /* 750 */ { MAD_F(0x06a78cf1) /* 0.415905897 */, 14 }, + /* 751 */ { MAD_F(0x06aa946b) /* 0.416645450 */, 14 }, + + /* 752 */ { MAD_F(0x06ad9c3d) /* 0.417385331 */, 14 }, + /* 753 */ { MAD_F(0x06b0a468) /* 0.418125540 */, 14 }, + /* 754 */ { MAD_F(0x06b3acea) /* 0.418866076 */, 14 }, + /* 755 */ { MAD_F(0x06b6b5c4) /* 0.419606940 */, 14 }, + /* 756 */ { MAD_F(0x06b9bef6) /* 0.420348132 */, 14 }, + /* 757 */ { MAD_F(0x06bcc880) /* 0.421089650 */, 14 }, + /* 758 */ { MAD_F(0x06bfd261) /* 0.421831494 */, 14 }, + /* 759 */ { MAD_F(0x06c2dc9a) /* 0.422573665 */, 14 }, + /* 760 */ { MAD_F(0x06c5e72b) /* 0.423316162 */, 14 }, + /* 761 */ { MAD_F(0x06c8f213) /* 0.424058985 */, 14 }, + /* 762 */ { MAD_F(0x06cbfd52) /* 0.424802133 */, 14 }, + /* 763 */ { MAD_F(0x06cf08e9) /* 0.425545607 */, 14 }, + /* 764 */ { MAD_F(0x06d214d7) /* 0.426289405 */, 14 }, + /* 765 */ { MAD_F(0x06d5211c) /* 0.427033528 */, 14 }, + /* 766 */ { MAD_F(0x06d82db8) /* 0.427777975 */, 14 }, + /* 767 */ { MAD_F(0x06db3aaa) /* 0.428522746 */, 14 }, + + /* 768 */ { MAD_F(0x06de47f4) /* 0.429267841 */, 14 }, + /* 769 */ { MAD_F(0x06e15595) /* 0.430013259 */, 14 }, + /* 770 */ { MAD_F(0x06e4638d) /* 0.430759001 */, 14 }, + /* 771 */ { MAD_F(0x06e771db) /* 0.431505065 */, 14 }, + /* 772 */ { MAD_F(0x06ea807f) /* 0.432251452 */, 14 }, + /* 773 */ { MAD_F(0x06ed8f7b) /* 0.432998162 */, 14 }, + /* 774 */ { MAD_F(0x06f09ecc) /* 0.433745193 */, 14 }, + /* 775 */ { MAD_F(0x06f3ae75) /* 0.434492546 */, 14 }, + /* 776 */ { MAD_F(0x06f6be73) /* 0.435240221 */, 14 }, + /* 777 */ { MAD_F(0x06f9cec8) /* 0.435988217 */, 14 }, + /* 778 */ { MAD_F(0x06fcdf72) /* 0.436736534 */, 14 }, + /* 779 */ { MAD_F(0x06fff073) /* 0.437485172 */, 14 }, + /* 780 */ { MAD_F(0x070301ca) /* 0.438234130 */, 14 }, + /* 781 */ { MAD_F(0x07061377) /* 0.438983408 */, 14 }, + /* 782 */ { MAD_F(0x0709257a) /* 0.439733006 */, 14 }, + /* 783 */ { MAD_F(0x070c37d2) /* 0.440482924 */, 14 }, + + /* 784 */ { MAD_F(0x070f4a80) /* 0.441233161 */, 14 }, + /* 785 */ { MAD_F(0x07125d84) /* 0.441983717 */, 14 }, + /* 786 */ { MAD_F(0x071570de) /* 0.442734592 */, 14 }, + /* 787 */ { MAD_F(0x0718848d) /* 0.443485785 */, 14 }, + /* 788 */ { MAD_F(0x071b9891) /* 0.444237296 */, 14 }, + /* 789 */ { MAD_F(0x071eaceb) /* 0.444989126 */, 14 }, + /* 790 */ { MAD_F(0x0721c19a) /* 0.445741273 */, 14 }, + /* 791 */ { MAD_F(0x0724d69e) /* 0.446493738 */, 14 }, + /* 792 */ { MAD_F(0x0727ebf7) /* 0.447246519 */, 14 }, + /* 793 */ { MAD_F(0x072b01a6) /* 0.447999618 */, 14 }, + /* 794 */ { MAD_F(0x072e17a9) /* 0.448753033 */, 14 }, + /* 795 */ { MAD_F(0x07312e01) /* 0.449506765 */, 14 }, + /* 796 */ { MAD_F(0x073444ae) /* 0.450260813 */, 14 }, + /* 797 */ { MAD_F(0x07375bb0) /* 0.451015176 */, 14 }, + /* 798 */ { MAD_F(0x073a7307) /* 0.451769856 */, 14 }, + /* 799 */ { MAD_F(0x073d8ab2) /* 0.452524850 */, 14 }, + + /* 800 */ { MAD_F(0x0740a2b2) /* 0.453280160 */, 14 }, + /* 801 */ { MAD_F(0x0743bb06) /* 0.454035784 */, 14 }, + /* 802 */ { MAD_F(0x0746d3af) /* 0.454791723 */, 14 }, + /* 803 */ { MAD_F(0x0749ecac) /* 0.455547976 */, 14 }, + /* 804 */ { MAD_F(0x074d05fe) /* 0.456304543 */, 14 }, + /* 805 */ { MAD_F(0x07501fa3) /* 0.457061423 */, 14 }, + /* 806 */ { MAD_F(0x0753399d) /* 0.457818618 */, 14 }, + /* 807 */ { MAD_F(0x075653eb) /* 0.458576125 */, 14 }, + /* 808 */ { MAD_F(0x07596e8d) /* 0.459333946 */, 14 }, + /* 809 */ { MAD_F(0x075c8983) /* 0.460092079 */, 14 }, + /* 810 */ { MAD_F(0x075fa4cc) /* 0.460850524 */, 14 }, + /* 811 */ { MAD_F(0x0762c06a) /* 0.461609282 */, 14 }, + /* 812 */ { MAD_F(0x0765dc5b) /* 0.462368352 */, 14 }, + /* 813 */ { MAD_F(0x0768f8a0) /* 0.463127733 */, 14 }, + /* 814 */ { MAD_F(0x076c1538) /* 0.463887426 */, 14 }, + /* 815 */ { MAD_F(0x076f3224) /* 0.464647430 */, 14 }, + + /* 816 */ { MAD_F(0x07724f64) /* 0.465407744 */, 14 }, + /* 817 */ { MAD_F(0x07756cf7) /* 0.466168370 */, 14 }, + /* 818 */ { MAD_F(0x07788add) /* 0.466929306 */, 14 }, + /* 819 */ { MAD_F(0x077ba916) /* 0.467690552 */, 14 }, + /* 820 */ { MAD_F(0x077ec7a3) /* 0.468452108 */, 14 }, + /* 821 */ { MAD_F(0x0781e683) /* 0.469213973 */, 14 }, + /* 822 */ { MAD_F(0x078505b5) /* 0.469976148 */, 14 }, + /* 823 */ { MAD_F(0x0788253b) /* 0.470738632 */, 14 }, + /* 824 */ { MAD_F(0x078b4514) /* 0.471501425 */, 14 }, + /* 825 */ { MAD_F(0x078e653f) /* 0.472264527 */, 14 }, + /* 826 */ { MAD_F(0x079185be) /* 0.473027937 */, 14 }, + /* 827 */ { MAD_F(0x0794a68f) /* 0.473791655 */, 14 }, + /* 828 */ { MAD_F(0x0797c7b2) /* 0.474555681 */, 14 }, + /* 829 */ { MAD_F(0x079ae929) /* 0.475320014 */, 14 }, + /* 830 */ { MAD_F(0x079e0af1) /* 0.476084655 */, 14 }, + /* 831 */ { MAD_F(0x07a12d0c) /* 0.476849603 */, 14 }, + + /* 832 */ { MAD_F(0x07a44f7a) /* 0.477614858 */, 14 }, + /* 833 */ { MAD_F(0x07a7723a) /* 0.478380420 */, 14 }, + /* 834 */ { MAD_F(0x07aa954c) /* 0.479146288 */, 14 }, + /* 835 */ { MAD_F(0x07adb8b0) /* 0.479912463 */, 14 }, + /* 836 */ { MAD_F(0x07b0dc67) /* 0.480678943 */, 14 }, + /* 837 */ { MAD_F(0x07b4006f) /* 0.481445729 */, 14 }, + /* 838 */ { MAD_F(0x07b724ca) /* 0.482212820 */, 14 }, + /* 839 */ { MAD_F(0x07ba4976) /* 0.482980216 */, 14 }, + /* 840 */ { MAD_F(0x07bd6e75) /* 0.483747918 */, 14 }, + /* 841 */ { MAD_F(0x07c093c5) /* 0.484515924 */, 14 }, + /* 842 */ { MAD_F(0x07c3b967) /* 0.485284235 */, 14 }, + /* 843 */ { MAD_F(0x07c6df5a) /* 0.486052849 */, 14 }, + /* 844 */ { MAD_F(0x07ca059f) /* 0.486821768 */, 14 }, + /* 845 */ { MAD_F(0x07cd2c36) /* 0.487590991 */, 14 }, + /* 846 */ { MAD_F(0x07d0531e) /* 0.488360517 */, 14 }, + /* 847 */ { MAD_F(0x07d37a57) /* 0.489130346 */, 14 }, + + /* 848 */ { MAD_F(0x07d6a1e2) /* 0.489900479 */, 14 }, + /* 849 */ { MAD_F(0x07d9c9be) /* 0.490670914 */, 14 }, + /* 850 */ { MAD_F(0x07dcf1ec) /* 0.491441651 */, 14 }, + /* 851 */ { MAD_F(0x07e01a6a) /* 0.492212691 */, 14 }, + /* 852 */ { MAD_F(0x07e3433a) /* 0.492984033 */, 14 }, + /* 853 */ { MAD_F(0x07e66c5a) /* 0.493755677 */, 14 }, + /* 854 */ { MAD_F(0x07e995cc) /* 0.494527623 */, 14 }, + /* 855 */ { MAD_F(0x07ecbf8e) /* 0.495299870 */, 14 }, + /* 856 */ { MAD_F(0x07efe9a1) /* 0.496072418 */, 14 }, + /* 857 */ { MAD_F(0x07f31405) /* 0.496845266 */, 14 }, + /* 858 */ { MAD_F(0x07f63eba) /* 0.497618416 */, 14 }, + /* 859 */ { MAD_F(0x07f969c0) /* 0.498391866 */, 14 }, + /* 860 */ { MAD_F(0x07fc9516) /* 0.499165616 */, 14 }, + /* 861 */ { MAD_F(0x07ffc0bc) /* 0.499939666 */, 14 }, + /* 862 */ { MAD_F(0x04017659) /* 0.250357008 */, 15 }, + /* 863 */ { MAD_F(0x04030c7d) /* 0.250744333 */, 15 }, + + /* 864 */ { MAD_F(0x0404a2c9) /* 0.251131807 */, 15 }, + /* 865 */ { MAD_F(0x0406393d) /* 0.251519431 */, 15 }, + /* 866 */ { MAD_F(0x0407cfd9) /* 0.251907204 */, 15 }, + /* 867 */ { MAD_F(0x0409669d) /* 0.252295127 */, 15 }, + /* 868 */ { MAD_F(0x040afd89) /* 0.252683198 */, 15 }, + /* 869 */ { MAD_F(0x040c949e) /* 0.253071419 */, 15 }, + /* 870 */ { MAD_F(0x040e2bda) /* 0.253459789 */, 15 }, + /* 871 */ { MAD_F(0x040fc33e) /* 0.253848307 */, 15 }, + /* 872 */ { MAD_F(0x04115aca) /* 0.254236974 */, 15 }, + /* 873 */ { MAD_F(0x0412f27e) /* 0.254625790 */, 15 }, + /* 874 */ { MAD_F(0x04148a5a) /* 0.255014755 */, 15 }, + /* 875 */ { MAD_F(0x0416225d) /* 0.255403867 */, 15 }, + /* 876 */ { MAD_F(0x0417ba89) /* 0.255793128 */, 15 }, + /* 877 */ { MAD_F(0x041952dc) /* 0.256182537 */, 15 }, + /* 878 */ { MAD_F(0x041aeb57) /* 0.256572095 */, 15 }, + /* 879 */ { MAD_F(0x041c83fa) /* 0.256961800 */, 15 }, + + /* 880 */ { MAD_F(0x041e1cc4) /* 0.257351652 */, 15 }, + /* 881 */ { MAD_F(0x041fb5b6) /* 0.257741653 */, 15 }, + /* 882 */ { MAD_F(0x04214ed0) /* 0.258131801 */, 15 }, + /* 883 */ { MAD_F(0x0422e811) /* 0.258522097 */, 15 }, + /* 884 */ { MAD_F(0x04248179) /* 0.258912540 */, 15 }, + /* 885 */ { MAD_F(0x04261b0a) /* 0.259303130 */, 15 }, + /* 886 */ { MAD_F(0x0427b4c2) /* 0.259693868 */, 15 }, + /* 887 */ { MAD_F(0x04294ea1) /* 0.260084752 */, 15 }, + /* 888 */ { MAD_F(0x042ae8a7) /* 0.260475783 */, 15 }, + /* 889 */ { MAD_F(0x042c82d6) /* 0.260866961 */, 15 }, + /* 890 */ { MAD_F(0x042e1d2b) /* 0.261258286 */, 15 }, + /* 891 */ { MAD_F(0x042fb7a8) /* 0.261649758 */, 15 }, + /* 892 */ { MAD_F(0x0431524c) /* 0.262041376 */, 15 }, + /* 893 */ { MAD_F(0x0432ed17) /* 0.262433140 */, 15 }, + /* 894 */ { MAD_F(0x0434880a) /* 0.262825051 */, 15 }, + /* 895 */ { MAD_F(0x04362324) /* 0.263217107 */, 15 }, + + /* 896 */ { MAD_F(0x0437be65) /* 0.263609310 */, 15 }, + /* 897 */ { MAD_F(0x043959cd) /* 0.264001659 */, 15 }, + /* 898 */ { MAD_F(0x043af55d) /* 0.264394153 */, 15 }, + /* 899 */ { MAD_F(0x043c9113) /* 0.264786794 */, 15 }, + /* 900 */ { MAD_F(0x043e2cf1) /* 0.265179580 */, 15 }, + /* 901 */ { MAD_F(0x043fc8f6) /* 0.265572511 */, 15 }, + /* 902 */ { MAD_F(0x04416522) /* 0.265965588 */, 15 }, + /* 903 */ { MAD_F(0x04430174) /* 0.266358810 */, 15 }, + /* 904 */ { MAD_F(0x04449dee) /* 0.266752177 */, 15 }, + /* 905 */ { MAD_F(0x04463a8f) /* 0.267145689 */, 15 }, + /* 906 */ { MAD_F(0x0447d756) /* 0.267539347 */, 15 }, + /* 907 */ { MAD_F(0x04497445) /* 0.267933149 */, 15 }, + /* 908 */ { MAD_F(0x044b115a) /* 0.268327096 */, 15 }, + /* 909 */ { MAD_F(0x044cae96) /* 0.268721187 */, 15 }, + /* 910 */ { MAD_F(0x044e4bf9) /* 0.269115423 */, 15 }, + /* 911 */ { MAD_F(0x044fe983) /* 0.269509804 */, 15 }, + + /* 912 */ { MAD_F(0x04518733) /* 0.269904329 */, 15 }, + /* 913 */ { MAD_F(0x0453250a) /* 0.270298998 */, 15 }, + /* 914 */ { MAD_F(0x0454c308) /* 0.270693811 */, 15 }, + /* 915 */ { MAD_F(0x0456612d) /* 0.271088768 */, 15 }, + /* 916 */ { MAD_F(0x0457ff78) /* 0.271483869 */, 15 }, + /* 917 */ { MAD_F(0x04599dea) /* 0.271879114 */, 15 }, + /* 918 */ { MAD_F(0x045b3c82) /* 0.272274503 */, 15 }, + /* 919 */ { MAD_F(0x045cdb41) /* 0.272670035 */, 15 }, + /* 920 */ { MAD_F(0x045e7a26) /* 0.273065710 */, 15 }, + /* 921 */ { MAD_F(0x04601932) /* 0.273461530 */, 15 }, + /* 922 */ { MAD_F(0x0461b864) /* 0.273857492 */, 15 }, + /* 923 */ { MAD_F(0x046357bd) /* 0.274253597 */, 15 }, + /* 924 */ { MAD_F(0x0464f73c) /* 0.274649846 */, 15 }, + /* 925 */ { MAD_F(0x046696e2) /* 0.275046238 */, 15 }, + /* 926 */ { MAD_F(0x046836ae) /* 0.275442772 */, 15 }, + /* 927 */ { MAD_F(0x0469d6a0) /* 0.275839449 */, 15 }, + + /* 928 */ { MAD_F(0x046b76b9) /* 0.276236269 */, 15 }, + /* 929 */ { MAD_F(0x046d16f7) /* 0.276633232 */, 15 }, + /* 930 */ { MAD_F(0x046eb75c) /* 0.277030337 */, 15 }, + /* 931 */ { MAD_F(0x047057e8) /* 0.277427584 */, 15 }, + /* 932 */ { MAD_F(0x0471f899) /* 0.277824973 */, 15 }, + /* 933 */ { MAD_F(0x04739971) /* 0.278222505 */, 15 }, + /* 934 */ { MAD_F(0x04753a6f) /* 0.278620179 */, 15 }, + /* 935 */ { MAD_F(0x0476db92) /* 0.279017995 */, 15 }, + /* 936 */ { MAD_F(0x04787cdc) /* 0.279415952 */, 15 }, + /* 937 */ { MAD_F(0x047a1e4c) /* 0.279814051 */, 15 }, + /* 938 */ { MAD_F(0x047bbfe2) /* 0.280212292 */, 15 }, + /* 939 */ { MAD_F(0x047d619e) /* 0.280610675 */, 15 }, + /* 940 */ { MAD_F(0x047f0380) /* 0.281009199 */, 15 }, + /* 941 */ { MAD_F(0x0480a588) /* 0.281407864 */, 15 }, + /* 942 */ { MAD_F(0x048247b6) /* 0.281806670 */, 15 }, + /* 943 */ { MAD_F(0x0483ea0a) /* 0.282205618 */, 15 }, + + /* 944 */ { MAD_F(0x04858c83) /* 0.282604707 */, 15 }, + /* 945 */ { MAD_F(0x04872f22) /* 0.283003936 */, 15 }, + /* 946 */ { MAD_F(0x0488d1e8) /* 0.283403307 */, 15 }, + /* 947 */ { MAD_F(0x048a74d3) /* 0.283802818 */, 15 }, + /* 948 */ { MAD_F(0x048c17e3) /* 0.284202470 */, 15 }, + /* 949 */ { MAD_F(0x048dbb1a) /* 0.284602263 */, 15 }, + /* 950 */ { MAD_F(0x048f5e76) /* 0.285002195 */, 15 }, + /* 951 */ { MAD_F(0x049101f8) /* 0.285402269 */, 15 }, + /* 952 */ { MAD_F(0x0492a59f) /* 0.285802482 */, 15 }, + /* 953 */ { MAD_F(0x0494496c) /* 0.286202836 */, 15 }, + /* 954 */ { MAD_F(0x0495ed5f) /* 0.286603329 */, 15 }, + /* 955 */ { MAD_F(0x04979177) /* 0.287003963 */, 15 }, + /* 956 */ { MAD_F(0x049935b5) /* 0.287404737 */, 15 }, + /* 957 */ { MAD_F(0x049ada19) /* 0.287805650 */, 15 }, + /* 958 */ { MAD_F(0x049c7ea1) /* 0.288206703 */, 15 }, + /* 959 */ { MAD_F(0x049e2350) /* 0.288607895 */, 15 }, + + /* 960 */ { MAD_F(0x049fc824) /* 0.289009227 */, 15 }, + /* 961 */ { MAD_F(0x04a16d1d) /* 0.289410699 */, 15 }, + /* 962 */ { MAD_F(0x04a3123b) /* 0.289812309 */, 15 }, + /* 963 */ { MAD_F(0x04a4b77f) /* 0.290214059 */, 15 }, + /* 964 */ { MAD_F(0x04a65ce8) /* 0.290615948 */, 15 }, + /* 965 */ { MAD_F(0x04a80277) /* 0.291017976 */, 15 }, + /* 966 */ { MAD_F(0x04a9a82b) /* 0.291420143 */, 15 }, + /* 967 */ { MAD_F(0x04ab4e04) /* 0.291822449 */, 15 }, + /* 968 */ { MAD_F(0x04acf402) /* 0.292224893 */, 15 }, + /* 969 */ { MAD_F(0x04ae9a26) /* 0.292627476 */, 15 }, + /* 970 */ { MAD_F(0x04b0406e) /* 0.293030197 */, 15 }, + /* 971 */ { MAD_F(0x04b1e6dc) /* 0.293433057 */, 15 }, + /* 972 */ { MAD_F(0x04b38d6f) /* 0.293836055 */, 15 }, + /* 973 */ { MAD_F(0x04b53427) /* 0.294239192 */, 15 }, + /* 974 */ { MAD_F(0x04b6db05) /* 0.294642466 */, 15 }, + /* 975 */ { MAD_F(0x04b88207) /* 0.295045879 */, 15 }, + + /* 976 */ { MAD_F(0x04ba292e) /* 0.295449429 */, 15 }, + /* 977 */ { MAD_F(0x04bbd07a) /* 0.295853118 */, 15 }, + /* 978 */ { MAD_F(0x04bd77ec) /* 0.296256944 */, 15 }, + /* 979 */ { MAD_F(0x04bf1f82) /* 0.296660907 */, 15 }, + /* 980 */ { MAD_F(0x04c0c73d) /* 0.297065009 */, 15 }, + /* 981 */ { MAD_F(0x04c26f1d) /* 0.297469248 */, 15 }, + /* 982 */ { MAD_F(0x04c41722) /* 0.297873624 */, 15 }, + /* 983 */ { MAD_F(0x04c5bf4c) /* 0.298278137 */, 15 }, + /* 984 */ { MAD_F(0x04c7679a) /* 0.298682788 */, 15 }, + /* 985 */ { MAD_F(0x04c9100d) /* 0.299087576 */, 15 }, + /* 986 */ { MAD_F(0x04cab8a6) /* 0.299492500 */, 15 }, + /* 987 */ { MAD_F(0x04cc6163) /* 0.299897562 */, 15 }, + /* 988 */ { MAD_F(0x04ce0a44) /* 0.300302761 */, 15 }, + /* 989 */ { MAD_F(0x04cfb34b) /* 0.300708096 */, 15 }, + /* 990 */ { MAD_F(0x04d15c76) /* 0.301113568 */, 15 }, + /* 991 */ { MAD_F(0x04d305c5) /* 0.301519176 */, 15 }, + + /* 992 */ { MAD_F(0x04d4af3a) /* 0.301924921 */, 15 }, + /* 993 */ { MAD_F(0x04d658d2) /* 0.302330802 */, 15 }, + /* 994 */ { MAD_F(0x04d80290) /* 0.302736820 */, 15 }, + /* 995 */ { MAD_F(0x04d9ac72) /* 0.303142973 */, 15 }, + /* 996 */ { MAD_F(0x04db5679) /* 0.303549263 */, 15 }, + /* 997 */ { MAD_F(0x04dd00a4) /* 0.303955689 */, 15 }, + /* 998 */ { MAD_F(0x04deaaf3) /* 0.304362251 */, 15 }, + /* 999 */ { MAD_F(0x04e05567) /* 0.304768948 */, 15 }, + /* 1000 */ { MAD_F(0x04e20000) /* 0.305175781 */, 15 }, + /* 1001 */ { MAD_F(0x04e3aabd) /* 0.305582750 */, 15 }, + /* 1002 */ { MAD_F(0x04e5559e) /* 0.305989854 */, 15 }, + /* 1003 */ { MAD_F(0x04e700a3) /* 0.306397094 */, 15 }, + /* 1004 */ { MAD_F(0x04e8abcd) /* 0.306804470 */, 15 }, + /* 1005 */ { MAD_F(0x04ea571c) /* 0.307211980 */, 15 }, + /* 1006 */ { MAD_F(0x04ec028e) /* 0.307619626 */, 15 }, + /* 1007 */ { MAD_F(0x04edae25) /* 0.308027406 */, 15 }, + + /* 1008 */ { MAD_F(0x04ef59e0) /* 0.308435322 */, 15 }, + /* 1009 */ { MAD_F(0x04f105bf) /* 0.308843373 */, 15 }, + /* 1010 */ { MAD_F(0x04f2b1c3) /* 0.309251558 */, 15 }, + /* 1011 */ { MAD_F(0x04f45dea) /* 0.309659879 */, 15 }, + /* 1012 */ { MAD_F(0x04f60a36) /* 0.310068333 */, 15 }, + /* 1013 */ { MAD_F(0x04f7b6a6) /* 0.310476923 */, 15 }, + /* 1014 */ { MAD_F(0x04f9633a) /* 0.310885647 */, 15 }, + /* 1015 */ { MAD_F(0x04fb0ff2) /* 0.311294505 */, 15 }, + /* 1016 */ { MAD_F(0x04fcbcce) /* 0.311703498 */, 15 }, + /* 1017 */ { MAD_F(0x04fe69ce) /* 0.312112625 */, 15 }, + /* 1018 */ { MAD_F(0x050016f3) /* 0.312521885 */, 15 }, + /* 1019 */ { MAD_F(0x0501c43b) /* 0.312931280 */, 15 }, + /* 1020 */ { MAD_F(0x050371a7) /* 0.313340809 */, 15 }, + /* 1021 */ { MAD_F(0x05051f37) /* 0.313750472 */, 15 }, + /* 1022 */ { MAD_F(0x0506cceb) /* 0.314160269 */, 15 }, + /* 1023 */ { MAD_F(0x05087ac2) /* 0.314570199 */, 15 }, + + /* 1024 */ { MAD_F(0x050a28be) /* 0.314980262 */, 15 }, + /* 1025 */ { MAD_F(0x050bd6de) /* 0.315390460 */, 15 }, + /* 1026 */ { MAD_F(0x050d8521) /* 0.315800790 */, 15 }, + /* 1027 */ { MAD_F(0x050f3388) /* 0.316211255 */, 15 }, + /* 1028 */ { MAD_F(0x0510e213) /* 0.316621852 */, 15 }, + /* 1029 */ { MAD_F(0x051290c2) /* 0.317032582 */, 15 }, + /* 1030 */ { MAD_F(0x05143f94) /* 0.317443446 */, 15 }, + /* 1031 */ { MAD_F(0x0515ee8a) /* 0.317854442 */, 15 }, + /* 1032 */ { MAD_F(0x05179da4) /* 0.318265572 */, 15 }, + /* 1033 */ { MAD_F(0x05194ce1) /* 0.318676834 */, 15 }, + /* 1034 */ { MAD_F(0x051afc42) /* 0.319088229 */, 15 }, + /* 1035 */ { MAD_F(0x051cabc7) /* 0.319499756 */, 15 }, + /* 1036 */ { MAD_F(0x051e5b6f) /* 0.319911417 */, 15 }, + /* 1037 */ { MAD_F(0x05200b3a) /* 0.320323209 */, 15 }, + /* 1038 */ { MAD_F(0x0521bb2a) /* 0.320735134 */, 15 }, + /* 1039 */ { MAD_F(0x05236b3d) /* 0.321147192 */, 15 }, + + /* 1040 */ { MAD_F(0x05251b73) /* 0.321559381 */, 15 }, + /* 1041 */ { MAD_F(0x0526cbcd) /* 0.321971703 */, 15 }, + /* 1042 */ { MAD_F(0x05287c4a) /* 0.322384156 */, 15 }, + /* 1043 */ { MAD_F(0x052a2cea) /* 0.322796742 */, 15 }, + /* 1044 */ { MAD_F(0x052bddae) /* 0.323209460 */, 15 }, + /* 1045 */ { MAD_F(0x052d8e96) /* 0.323622309 */, 15 }, + /* 1046 */ { MAD_F(0x052f3fa1) /* 0.324035290 */, 15 }, + /* 1047 */ { MAD_F(0x0530f0cf) /* 0.324448403 */, 15 }, + /* 1048 */ { MAD_F(0x0532a220) /* 0.324861647 */, 15 }, + /* 1049 */ { MAD_F(0x05345395) /* 0.325275023 */, 15 }, + /* 1050 */ { MAD_F(0x0536052d) /* 0.325688530 */, 15 }, + /* 1051 */ { MAD_F(0x0537b6e8) /* 0.326102168 */, 15 }, + /* 1052 */ { MAD_F(0x053968c6) /* 0.326515938 */, 15 }, + /* 1053 */ { MAD_F(0x053b1ac8) /* 0.326929839 */, 15 }, + /* 1054 */ { MAD_F(0x053ccced) /* 0.327343870 */, 15 }, + /* 1055 */ { MAD_F(0x053e7f35) /* 0.327758033 */, 15 }, + + /* 1056 */ { MAD_F(0x054031a0) /* 0.328172327 */, 15 }, + /* 1057 */ { MAD_F(0x0541e42e) /* 0.328586751 */, 15 }, + /* 1058 */ { MAD_F(0x054396df) /* 0.329001306 */, 15 }, + /* 1059 */ { MAD_F(0x054549b4) /* 0.329415992 */, 15 }, + /* 1060 */ { MAD_F(0x0546fcab) /* 0.329830808 */, 15 }, + /* 1061 */ { MAD_F(0x0548afc6) /* 0.330245755 */, 15 }, + /* 1062 */ { MAD_F(0x054a6303) /* 0.330660832 */, 15 }, + /* 1063 */ { MAD_F(0x054c1663) /* 0.331076039 */, 15 }, + /* 1064 */ { MAD_F(0x054dc9e7) /* 0.331491377 */, 15 }, + /* 1065 */ { MAD_F(0x054f7d8d) /* 0.331906845 */, 15 }, + /* 1066 */ { MAD_F(0x05513156) /* 0.332322443 */, 15 }, + /* 1067 */ { MAD_F(0x0552e542) /* 0.332738170 */, 15 }, + /* 1068 */ { MAD_F(0x05549951) /* 0.333154028 */, 15 }, + /* 1069 */ { MAD_F(0x05564d83) /* 0.333570016 */, 15 }, + /* 1070 */ { MAD_F(0x055801d8) /* 0.333986133 */, 15 }, + /* 1071 */ { MAD_F(0x0559b64f) /* 0.334402380 */, 15 }, + + /* 1072 */ { MAD_F(0x055b6ae9) /* 0.334818756 */, 15 }, + /* 1073 */ { MAD_F(0x055d1fa6) /* 0.335235262 */, 15 }, + /* 1074 */ { MAD_F(0x055ed486) /* 0.335651898 */, 15 }, + /* 1075 */ { MAD_F(0x05608988) /* 0.336068662 */, 15 }, + /* 1076 */ { MAD_F(0x05623ead) /* 0.336485556 */, 15 }, + /* 1077 */ { MAD_F(0x0563f3f5) /* 0.336902579 */, 15 }, + /* 1078 */ { MAD_F(0x0565a960) /* 0.337319732 */, 15 }, + /* 1079 */ { MAD_F(0x05675eed) /* 0.337737013 */, 15 }, + /* 1080 */ { MAD_F(0x0569149c) /* 0.338154423 */, 15 }, + /* 1081 */ { MAD_F(0x056aca6f) /* 0.338571962 */, 15 }, + /* 1082 */ { MAD_F(0x056c8064) /* 0.338989630 */, 15 }, + /* 1083 */ { MAD_F(0x056e367b) /* 0.339407426 */, 15 }, + /* 1084 */ { MAD_F(0x056fecb5) /* 0.339825351 */, 15 }, + /* 1085 */ { MAD_F(0x0571a311) /* 0.340243405 */, 15 }, + /* 1086 */ { MAD_F(0x05735990) /* 0.340661587 */, 15 }, + /* 1087 */ { MAD_F(0x05751032) /* 0.341079898 */, 15 }, + + /* 1088 */ { MAD_F(0x0576c6f5) /* 0.341498336 */, 15 }, + /* 1089 */ { MAD_F(0x05787ddc) /* 0.341916903 */, 15 }, + /* 1090 */ { MAD_F(0x057a34e4) /* 0.342335598 */, 15 }, + /* 1091 */ { MAD_F(0x057bec0f) /* 0.342754421 */, 15 }, + /* 1092 */ { MAD_F(0x057da35d) /* 0.343173373 */, 15 }, + /* 1093 */ { MAD_F(0x057f5acc) /* 0.343592452 */, 15 }, + /* 1094 */ { MAD_F(0x0581125e) /* 0.344011659 */, 15 }, + /* 1095 */ { MAD_F(0x0582ca12) /* 0.344430993 */, 15 }, + /* 1096 */ { MAD_F(0x058481e9) /* 0.344850455 */, 15 }, + /* 1097 */ { MAD_F(0x058639e2) /* 0.345270045 */, 15 }, + /* 1098 */ { MAD_F(0x0587f1fd) /* 0.345689763 */, 15 }, + /* 1099 */ { MAD_F(0x0589aa3a) /* 0.346109608 */, 15 }, + /* 1100 */ { MAD_F(0x058b629a) /* 0.346529580 */, 15 }, + /* 1101 */ { MAD_F(0x058d1b1b) /* 0.346949679 */, 15 }, + /* 1102 */ { MAD_F(0x058ed3bf) /* 0.347369906 */, 15 }, + /* 1103 */ { MAD_F(0x05908c85) /* 0.347790260 */, 15 }, + + /* 1104 */ { MAD_F(0x0592456d) /* 0.348210741 */, 15 }, + /* 1105 */ { MAD_F(0x0593fe77) /* 0.348631348 */, 15 }, + /* 1106 */ { MAD_F(0x0595b7a3) /* 0.349052083 */, 15 }, + /* 1107 */ { MAD_F(0x059770f1) /* 0.349472945 */, 15 }, + /* 1108 */ { MAD_F(0x05992a61) /* 0.349893933 */, 15 }, + /* 1109 */ { MAD_F(0x059ae3f3) /* 0.350315048 */, 15 }, + /* 1110 */ { MAD_F(0x059c9da8) /* 0.350736290 */, 15 }, + /* 1111 */ { MAD_F(0x059e577e) /* 0.351157658 */, 15 }, + /* 1112 */ { MAD_F(0x05a01176) /* 0.351579152 */, 15 }, + /* 1113 */ { MAD_F(0x05a1cb90) /* 0.352000773 */, 15 }, + /* 1114 */ { MAD_F(0x05a385cc) /* 0.352422520 */, 15 }, + /* 1115 */ { MAD_F(0x05a5402a) /* 0.352844394 */, 15 }, + /* 1116 */ { MAD_F(0x05a6faa9) /* 0.353266393 */, 15 }, + /* 1117 */ { MAD_F(0x05a8b54b) /* 0.353688519 */, 15 }, + /* 1118 */ { MAD_F(0x05aa700e) /* 0.354110771 */, 15 }, + /* 1119 */ { MAD_F(0x05ac2af3) /* 0.354533148 */, 15 }, + + /* 1120 */ { MAD_F(0x05ade5fa) /* 0.354955651 */, 15 }, + /* 1121 */ { MAD_F(0x05afa123) /* 0.355378281 */, 15 }, + /* 1122 */ { MAD_F(0x05b15c6d) /* 0.355801035 */, 15 }, + /* 1123 */ { MAD_F(0x05b317d9) /* 0.356223916 */, 15 }, + /* 1124 */ { MAD_F(0x05b4d367) /* 0.356646922 */, 15 }, + /* 1125 */ { MAD_F(0x05b68f16) /* 0.357070053 */, 15 }, + /* 1126 */ { MAD_F(0x05b84ae7) /* 0.357493310 */, 15 }, + /* 1127 */ { MAD_F(0x05ba06da) /* 0.357916692 */, 15 }, + /* 1128 */ { MAD_F(0x05bbc2ef) /* 0.358340200 */, 15 }, + /* 1129 */ { MAD_F(0x05bd7f25) /* 0.358763832 */, 15 }, + /* 1130 */ { MAD_F(0x05bf3b7c) /* 0.359187590 */, 15 }, + /* 1131 */ { MAD_F(0x05c0f7f5) /* 0.359611472 */, 15 }, + /* 1132 */ { MAD_F(0x05c2b490) /* 0.360035480 */, 15 }, + /* 1133 */ { MAD_F(0x05c4714c) /* 0.360459613 */, 15 }, + /* 1134 */ { MAD_F(0x05c62e2a) /* 0.360883870 */, 15 }, + /* 1135 */ { MAD_F(0x05c7eb29) /* 0.361308252 */, 15 }, + + /* 1136 */ { MAD_F(0x05c9a84a) /* 0.361732758 */, 15 }, + /* 1137 */ { MAD_F(0x05cb658c) /* 0.362157390 */, 15 }, + /* 1138 */ { MAD_F(0x05cd22ef) /* 0.362582145 */, 15 }, + /* 1139 */ { MAD_F(0x05cee074) /* 0.363007026 */, 15 }, + /* 1140 */ { MAD_F(0x05d09e1b) /* 0.363432030 */, 15 }, + /* 1141 */ { MAD_F(0x05d25be2) /* 0.363857159 */, 15 }, + /* 1142 */ { MAD_F(0x05d419cb) /* 0.364282412 */, 15 }, + /* 1143 */ { MAD_F(0x05d5d7d5) /* 0.364707789 */, 15 }, + /* 1144 */ { MAD_F(0x05d79601) /* 0.365133291 */, 15 }, + /* 1145 */ { MAD_F(0x05d9544e) /* 0.365558916 */, 15 }, + /* 1146 */ { MAD_F(0x05db12bc) /* 0.365984665 */, 15 }, + /* 1147 */ { MAD_F(0x05dcd14c) /* 0.366410538 */, 15 }, + /* 1148 */ { MAD_F(0x05de8ffc) /* 0.366836535 */, 15 }, + /* 1149 */ { MAD_F(0x05e04ece) /* 0.367262655 */, 15 }, + /* 1150 */ { MAD_F(0x05e20dc1) /* 0.367688900 */, 15 }, + /* 1151 */ { MAD_F(0x05e3ccd5) /* 0.368115267 */, 15 }, + + /* 1152 */ { MAD_F(0x05e58c0b) /* 0.368541759 */, 15 }, + /* 1153 */ { MAD_F(0x05e74b61) /* 0.368968373 */, 15 }, + /* 1154 */ { MAD_F(0x05e90ad9) /* 0.369395111 */, 15 }, + /* 1155 */ { MAD_F(0x05eaca72) /* 0.369821973 */, 15 }, + /* 1156 */ { MAD_F(0x05ec8a2b) /* 0.370248957 */, 15 }, + /* 1157 */ { MAD_F(0x05ee4a06) /* 0.370676065 */, 15 }, + /* 1158 */ { MAD_F(0x05f00a02) /* 0.371103295 */, 15 }, + /* 1159 */ { MAD_F(0x05f1ca1f) /* 0.371530649 */, 15 }, + /* 1160 */ { MAD_F(0x05f38a5d) /* 0.371958126 */, 15 }, + /* 1161 */ { MAD_F(0x05f54abc) /* 0.372385725 */, 15 }, + /* 1162 */ { MAD_F(0x05f70b3c) /* 0.372813448 */, 15 }, + /* 1163 */ { MAD_F(0x05f8cbdc) /* 0.373241292 */, 15 }, + /* 1164 */ { MAD_F(0x05fa8c9e) /* 0.373669260 */, 15 }, + /* 1165 */ { MAD_F(0x05fc4d81) /* 0.374097350 */, 15 }, + /* 1166 */ { MAD_F(0x05fe0e84) /* 0.374525563 */, 15 }, + /* 1167 */ { MAD_F(0x05ffcfa8) /* 0.374953898 */, 15 }, + + /* 1168 */ { MAD_F(0x060190ee) /* 0.375382356 */, 15 }, + /* 1169 */ { MAD_F(0x06035254) /* 0.375810936 */, 15 }, + /* 1170 */ { MAD_F(0x060513da) /* 0.376239638 */, 15 }, + /* 1171 */ { MAD_F(0x0606d582) /* 0.376668462 */, 15 }, + /* 1172 */ { MAD_F(0x0608974a) /* 0.377097408 */, 15 }, + /* 1173 */ { MAD_F(0x060a5934) /* 0.377526476 */, 15 }, + /* 1174 */ { MAD_F(0x060c1b3d) /* 0.377955667 */, 15 }, + /* 1175 */ { MAD_F(0x060ddd68) /* 0.378384979 */, 15 }, + /* 1176 */ { MAD_F(0x060f9fb3) /* 0.378814413 */, 15 }, + /* 1177 */ { MAD_F(0x0611621f) /* 0.379243968 */, 15 }, + /* 1178 */ { MAD_F(0x061324ac) /* 0.379673646 */, 15 }, + /* 1179 */ { MAD_F(0x0614e759) /* 0.380103444 */, 15 }, + /* 1180 */ { MAD_F(0x0616aa27) /* 0.380533365 */, 15 }, + /* 1181 */ { MAD_F(0x06186d16) /* 0.380963407 */, 15 }, + /* 1182 */ { MAD_F(0x061a3025) /* 0.381393570 */, 15 }, + /* 1183 */ { MAD_F(0x061bf354) /* 0.381823855 */, 15 }, + + /* 1184 */ { MAD_F(0x061db6a5) /* 0.382254261 */, 15 }, + /* 1185 */ { MAD_F(0x061f7a15) /* 0.382684788 */, 15 }, + /* 1186 */ { MAD_F(0x06213da7) /* 0.383115436 */, 15 }, + /* 1187 */ { MAD_F(0x06230158) /* 0.383546205 */, 15 }, + /* 1188 */ { MAD_F(0x0624c52a) /* 0.383977096 */, 15 }, + /* 1189 */ { MAD_F(0x0626891d) /* 0.384408107 */, 15 }, + /* 1190 */ { MAD_F(0x06284d30) /* 0.384839239 */, 15 }, + /* 1191 */ { MAD_F(0x062a1164) /* 0.385270492 */, 15 }, + /* 1192 */ { MAD_F(0x062bd5b8) /* 0.385701865 */, 15 }, + /* 1193 */ { MAD_F(0x062d9a2c) /* 0.386133359 */, 15 }, + /* 1194 */ { MAD_F(0x062f5ec1) /* 0.386564974 */, 15 }, + /* 1195 */ { MAD_F(0x06312376) /* 0.386996709 */, 15 }, + /* 1196 */ { MAD_F(0x0632e84b) /* 0.387428565 */, 15 }, + /* 1197 */ { MAD_F(0x0634ad41) /* 0.387860541 */, 15 }, + /* 1198 */ { MAD_F(0x06367257) /* 0.388292637 */, 15 }, + /* 1199 */ { MAD_F(0x0638378d) /* 0.388724854 */, 15 }, + + /* 1200 */ { MAD_F(0x0639fce4) /* 0.389157191 */, 15 }, + /* 1201 */ { MAD_F(0x063bc25b) /* 0.389589648 */, 15 }, + /* 1202 */ { MAD_F(0x063d87f2) /* 0.390022225 */, 15 }, + /* 1203 */ { MAD_F(0x063f4da9) /* 0.390454922 */, 15 }, + /* 1204 */ { MAD_F(0x06411380) /* 0.390887739 */, 15 }, + /* 1205 */ { MAD_F(0x0642d978) /* 0.391320675 */, 15 }, + /* 1206 */ { MAD_F(0x06449f8f) /* 0.391753732 */, 15 }, + /* 1207 */ { MAD_F(0x064665c7) /* 0.392186908 */, 15 }, + /* 1208 */ { MAD_F(0x06482c1f) /* 0.392620204 */, 15 }, + /* 1209 */ { MAD_F(0x0649f297) /* 0.393053619 */, 15 }, + /* 1210 */ { MAD_F(0x064bb92f) /* 0.393487154 */, 15 }, + /* 1211 */ { MAD_F(0x064d7fe8) /* 0.393920808 */, 15 }, + /* 1212 */ { MAD_F(0x064f46c0) /* 0.394354582 */, 15 }, + /* 1213 */ { MAD_F(0x06510db8) /* 0.394788475 */, 15 }, + /* 1214 */ { MAD_F(0x0652d4d0) /* 0.395222488 */, 15 }, + /* 1215 */ { MAD_F(0x06549c09) /* 0.395656619 */, 15 }, + + /* 1216 */ { MAD_F(0x06566361) /* 0.396090870 */, 15 }, + /* 1217 */ { MAD_F(0x06582ad9) /* 0.396525239 */, 15 }, + /* 1218 */ { MAD_F(0x0659f271) /* 0.396959728 */, 15 }, + /* 1219 */ { MAD_F(0x065bba29) /* 0.397394336 */, 15 }, + /* 1220 */ { MAD_F(0x065d8201) /* 0.397829062 */, 15 }, + /* 1221 */ { MAD_F(0x065f49f9) /* 0.398263907 */, 15 }, + /* 1222 */ { MAD_F(0x06611211) /* 0.398698871 */, 15 }, + /* 1223 */ { MAD_F(0x0662da49) /* 0.399133954 */, 15 }, + /* 1224 */ { MAD_F(0x0664a2a0) /* 0.399569155 */, 15 }, + /* 1225 */ { MAD_F(0x06666b17) /* 0.400004475 */, 15 }, + /* 1226 */ { MAD_F(0x066833ae) /* 0.400439913 */, 15 }, + /* 1227 */ { MAD_F(0x0669fc65) /* 0.400875470 */, 15 }, + /* 1228 */ { MAD_F(0x066bc53c) /* 0.401311145 */, 15 }, + /* 1229 */ { MAD_F(0x066d8e32) /* 0.401746938 */, 15 }, + /* 1230 */ { MAD_F(0x066f5748) /* 0.402182850 */, 15 }, + /* 1231 */ { MAD_F(0x0671207e) /* 0.402618879 */, 15 }, + + /* 1232 */ { MAD_F(0x0672e9d4) /* 0.403055027 */, 15 }, + /* 1233 */ { MAD_F(0x0674b349) /* 0.403491293 */, 15 }, + /* 1234 */ { MAD_F(0x06767cde) /* 0.403927676 */, 15 }, + /* 1235 */ { MAD_F(0x06784692) /* 0.404364178 */, 15 }, + /* 1236 */ { MAD_F(0x067a1066) /* 0.404800797 */, 15 }, + /* 1237 */ { MAD_F(0x067bda5a) /* 0.405237535 */, 15 }, + /* 1238 */ { MAD_F(0x067da46d) /* 0.405674390 */, 15 }, + /* 1239 */ { MAD_F(0x067f6ea0) /* 0.406111362 */, 15 }, + /* 1240 */ { MAD_F(0x068138f3) /* 0.406548452 */, 15 }, + /* 1241 */ { MAD_F(0x06830365) /* 0.406985660 */, 15 }, + /* 1242 */ { MAD_F(0x0684cdf6) /* 0.407422985 */, 15 }, + /* 1243 */ { MAD_F(0x068698a8) /* 0.407860427 */, 15 }, + /* 1244 */ { MAD_F(0x06886378) /* 0.408297987 */, 15 }, + /* 1245 */ { MAD_F(0x068a2e68) /* 0.408735664 */, 15 }, + /* 1246 */ { MAD_F(0x068bf978) /* 0.409173458 */, 15 }, + /* 1247 */ { MAD_F(0x068dc4a7) /* 0.409611370 */, 15 }, + + /* 1248 */ { MAD_F(0x068f8ff5) /* 0.410049398 */, 15 }, + /* 1249 */ { MAD_F(0x06915b63) /* 0.410487544 */, 15 }, + /* 1250 */ { MAD_F(0x069326f0) /* 0.410925806 */, 15 }, + /* 1251 */ { MAD_F(0x0694f29c) /* 0.411364185 */, 15 }, + /* 1252 */ { MAD_F(0x0696be68) /* 0.411802681 */, 15 }, + /* 1253 */ { MAD_F(0x06988a54) /* 0.412241294 */, 15 }, + /* 1254 */ { MAD_F(0x069a565e) /* 0.412680024 */, 15 }, + /* 1255 */ { MAD_F(0x069c2288) /* 0.413118870 */, 15 }, + /* 1256 */ { MAD_F(0x069deed1) /* 0.413557833 */, 15 }, + /* 1257 */ { MAD_F(0x069fbb3a) /* 0.413996912 */, 15 }, + /* 1258 */ { MAD_F(0x06a187c1) /* 0.414436108 */, 15 }, + /* 1259 */ { MAD_F(0x06a35468) /* 0.414875420 */, 15 }, + /* 1260 */ { MAD_F(0x06a5212f) /* 0.415314849 */, 15 }, + /* 1261 */ { MAD_F(0x06a6ee14) /* 0.415754393 */, 15 }, + /* 1262 */ { MAD_F(0x06a8bb18) /* 0.416194054 */, 15 }, + /* 1263 */ { MAD_F(0x06aa883c) /* 0.416633831 */, 15 }, + + /* 1264 */ { MAD_F(0x06ac557f) /* 0.417073724 */, 15 }, + /* 1265 */ { MAD_F(0x06ae22e1) /* 0.417513734 */, 15 }, + /* 1266 */ { MAD_F(0x06aff062) /* 0.417953859 */, 15 }, + /* 1267 */ { MAD_F(0x06b1be03) /* 0.418394100 */, 15 }, + /* 1268 */ { MAD_F(0x06b38bc2) /* 0.418834457 */, 15 }, + /* 1269 */ { MAD_F(0x06b559a1) /* 0.419274929 */, 15 }, + /* 1270 */ { MAD_F(0x06b7279e) /* 0.419715518 */, 15 }, + /* 1271 */ { MAD_F(0x06b8f5bb) /* 0.420156222 */, 15 }, + /* 1272 */ { MAD_F(0x06bac3f6) /* 0.420597041 */, 15 }, + /* 1273 */ { MAD_F(0x06bc9251) /* 0.421037977 */, 15 }, + /* 1274 */ { MAD_F(0x06be60cb) /* 0.421479027 */, 15 }, + /* 1275 */ { MAD_F(0x06c02f63) /* 0.421920193 */, 15 }, + /* 1276 */ { MAD_F(0x06c1fe1b) /* 0.422361475 */, 15 }, + /* 1277 */ { MAD_F(0x06c3ccf1) /* 0.422802871 */, 15 }, + /* 1278 */ { MAD_F(0x06c59be7) /* 0.423244383 */, 15 }, + /* 1279 */ { MAD_F(0x06c76afb) /* 0.423686010 */, 15 }, + + /* 1280 */ { MAD_F(0x06c93a2e) /* 0.424127753 */, 15 }, + /* 1281 */ { MAD_F(0x06cb0981) /* 0.424569610 */, 15 }, + /* 1282 */ { MAD_F(0x06ccd8f2) /* 0.425011582 */, 15 }, + /* 1283 */ { MAD_F(0x06cea881) /* 0.425453669 */, 15 }, + /* 1284 */ { MAD_F(0x06d07830) /* 0.425895871 */, 15 }, + /* 1285 */ { MAD_F(0x06d247fe) /* 0.426338188 */, 15 }, + /* 1286 */ { MAD_F(0x06d417ea) /* 0.426780620 */, 15 }, + /* 1287 */ { MAD_F(0x06d5e7f5) /* 0.427223166 */, 15 }, + /* 1288 */ { MAD_F(0x06d7b81f) /* 0.427665827 */, 15 }, + /* 1289 */ { MAD_F(0x06d98868) /* 0.428108603 */, 15 }, + /* 1290 */ { MAD_F(0x06db58cf) /* 0.428551493 */, 15 }, + /* 1291 */ { MAD_F(0x06dd2955) /* 0.428994497 */, 15 }, + /* 1292 */ { MAD_F(0x06def9fa) /* 0.429437616 */, 15 }, + /* 1293 */ { MAD_F(0x06e0cabe) /* 0.429880849 */, 15 }, + /* 1294 */ { MAD_F(0x06e29ba0) /* 0.430324197 */, 15 }, + /* 1295 */ { MAD_F(0x06e46ca1) /* 0.430767659 */, 15 }, + + /* 1296 */ { MAD_F(0x06e63dc0) /* 0.431211234 */, 15 }, + /* 1297 */ { MAD_F(0x06e80efe) /* 0.431654924 */, 15 }, + /* 1298 */ { MAD_F(0x06e9e05b) /* 0.432098728 */, 15 }, + /* 1299 */ { MAD_F(0x06ebb1d6) /* 0.432542647 */, 15 }, + /* 1300 */ { MAD_F(0x06ed8370) /* 0.432986678 */, 15 }, + /* 1301 */ { MAD_F(0x06ef5529) /* 0.433430824 */, 15 }, + /* 1302 */ { MAD_F(0x06f12700) /* 0.433875084 */, 15 }, + /* 1303 */ { MAD_F(0x06f2f8f5) /* 0.434319457 */, 15 }, + /* 1304 */ { MAD_F(0x06f4cb09) /* 0.434763944 */, 15 }, + /* 1305 */ { MAD_F(0x06f69d3c) /* 0.435208545 */, 15 }, + /* 1306 */ { MAD_F(0x06f86f8d) /* 0.435653259 */, 15 }, + /* 1307 */ { MAD_F(0x06fa41fd) /* 0.436098087 */, 15 }, + /* 1308 */ { MAD_F(0x06fc148b) /* 0.436543029 */, 15 }, + /* 1309 */ { MAD_F(0x06fde737) /* 0.436988083 */, 15 }, + /* 1310 */ { MAD_F(0x06ffba02) /* 0.437433251 */, 15 }, + /* 1311 */ { MAD_F(0x07018ceb) /* 0.437878533 */, 15 }, + + /* 1312 */ { MAD_F(0x07035ff3) /* 0.438323927 */, 15 }, + /* 1313 */ { MAD_F(0x07053319) /* 0.438769435 */, 15 }, + /* 1314 */ { MAD_F(0x0707065d) /* 0.439215056 */, 15 }, + /* 1315 */ { MAD_F(0x0708d9c0) /* 0.439660790 */, 15 }, + /* 1316 */ { MAD_F(0x070aad41) /* 0.440106636 */, 15 }, + /* 1317 */ { MAD_F(0x070c80e1) /* 0.440552596 */, 15 }, + /* 1318 */ { MAD_F(0x070e549f) /* 0.440998669 */, 15 }, + /* 1319 */ { MAD_F(0x0710287b) /* 0.441444855 */, 15 }, + /* 1320 */ { MAD_F(0x0711fc75) /* 0.441891153 */, 15 }, + /* 1321 */ { MAD_F(0x0713d08d) /* 0.442337564 */, 15 }, + /* 1322 */ { MAD_F(0x0715a4c4) /* 0.442784088 */, 15 }, + /* 1323 */ { MAD_F(0x07177919) /* 0.443230724 */, 15 }, + /* 1324 */ { MAD_F(0x07194d8c) /* 0.443677473 */, 15 }, + /* 1325 */ { MAD_F(0x071b221e) /* 0.444124334 */, 15 }, + /* 1326 */ { MAD_F(0x071cf6ce) /* 0.444571308 */, 15 }, + /* 1327 */ { MAD_F(0x071ecb9b) /* 0.445018394 */, 15 }, + + /* 1328 */ { MAD_F(0x0720a087) /* 0.445465593 */, 15 }, + /* 1329 */ { MAD_F(0x07227591) /* 0.445912903 */, 15 }, + /* 1330 */ { MAD_F(0x07244ab9) /* 0.446360326 */, 15 }, + /* 1331 */ { MAD_F(0x07262000) /* 0.446807861 */, 15 }, + /* 1332 */ { MAD_F(0x0727f564) /* 0.447255509 */, 15 }, + /* 1333 */ { MAD_F(0x0729cae7) /* 0.447703268 */, 15 }, + /* 1334 */ { MAD_F(0x072ba087) /* 0.448151139 */, 15 }, + /* 1335 */ { MAD_F(0x072d7646) /* 0.448599122 */, 15 }, + /* 1336 */ { MAD_F(0x072f4c22) /* 0.449047217 */, 15 }, + /* 1337 */ { MAD_F(0x0731221d) /* 0.449495424 */, 15 }, + /* 1338 */ { MAD_F(0x0732f835) /* 0.449943742 */, 15 }, + /* 1339 */ { MAD_F(0x0734ce6c) /* 0.450392173 */, 15 }, + /* 1340 */ { MAD_F(0x0736a4c1) /* 0.450840715 */, 15 }, + /* 1341 */ { MAD_F(0x07387b33) /* 0.451289368 */, 15 }, + /* 1342 */ { MAD_F(0x073a51c4) /* 0.451738133 */, 15 }, + /* 1343 */ { MAD_F(0x073c2872) /* 0.452187010 */, 15 }, + + /* 1344 */ { MAD_F(0x073dff3e) /* 0.452635998 */, 15 }, + /* 1345 */ { MAD_F(0x073fd628) /* 0.453085097 */, 15 }, + /* 1346 */ { MAD_F(0x0741ad30) /* 0.453534308 */, 15 }, + /* 1347 */ { MAD_F(0x07438456) /* 0.453983630 */, 15 }, + /* 1348 */ { MAD_F(0x07455b9a) /* 0.454433063 */, 15 }, + /* 1349 */ { MAD_F(0x074732fc) /* 0.454882607 */, 15 }, + /* 1350 */ { MAD_F(0x07490a7b) /* 0.455332262 */, 15 }, + /* 1351 */ { MAD_F(0x074ae218) /* 0.455782029 */, 15 }, + /* 1352 */ { MAD_F(0x074cb9d3) /* 0.456231906 */, 15 }, + /* 1353 */ { MAD_F(0x074e91ac) /* 0.456681894 */, 15 }, + /* 1354 */ { MAD_F(0x075069a3) /* 0.457131993 */, 15 }, + /* 1355 */ { MAD_F(0x075241b7) /* 0.457582203 */, 15 }, + /* 1356 */ { MAD_F(0x075419e9) /* 0.458032524 */, 15 }, + /* 1357 */ { MAD_F(0x0755f239) /* 0.458482956 */, 15 }, + /* 1358 */ { MAD_F(0x0757caa7) /* 0.458933498 */, 15 }, + /* 1359 */ { MAD_F(0x0759a332) /* 0.459384151 */, 15 }, + + /* 1360 */ { MAD_F(0x075b7bdb) /* 0.459834914 */, 15 }, + /* 1361 */ { MAD_F(0x075d54a1) /* 0.460285788 */, 15 }, + /* 1362 */ { MAD_F(0x075f2d85) /* 0.460736772 */, 15 }, + /* 1363 */ { MAD_F(0x07610687) /* 0.461187867 */, 15 }, + /* 1364 */ { MAD_F(0x0762dfa6) /* 0.461639071 */, 15 }, + /* 1365 */ { MAD_F(0x0764b8e3) /* 0.462090387 */, 15 }, + /* 1366 */ { MAD_F(0x0766923e) /* 0.462541812 */, 15 }, + /* 1367 */ { MAD_F(0x07686bb6) /* 0.462993348 */, 15 }, + /* 1368 */ { MAD_F(0x076a454c) /* 0.463444993 */, 15 }, + /* 1369 */ { MAD_F(0x076c1eff) /* 0.463896749 */, 15 }, + /* 1370 */ { MAD_F(0x076df8d0) /* 0.464348615 */, 15 }, + /* 1371 */ { MAD_F(0x076fd2be) /* 0.464800591 */, 15 }, + /* 1372 */ { MAD_F(0x0771acca) /* 0.465252676 */, 15 }, + /* 1373 */ { MAD_F(0x077386f3) /* 0.465704872 */, 15 }, + /* 1374 */ { MAD_F(0x0775613a) /* 0.466157177 */, 15 }, + /* 1375 */ { MAD_F(0x07773b9e) /* 0.466609592 */, 15 }, + + /* 1376 */ { MAD_F(0x07791620) /* 0.467062117 */, 15 }, + /* 1377 */ { MAD_F(0x077af0bf) /* 0.467514751 */, 15 }, + /* 1378 */ { MAD_F(0x077ccb7c) /* 0.467967495 */, 15 }, + /* 1379 */ { MAD_F(0x077ea656) /* 0.468420349 */, 15 }, + /* 1380 */ { MAD_F(0x0780814d) /* 0.468873312 */, 15 }, + /* 1381 */ { MAD_F(0x07825c62) /* 0.469326384 */, 15 }, + /* 1382 */ { MAD_F(0x07843794) /* 0.469779566 */, 15 }, + /* 1383 */ { MAD_F(0x078612e3) /* 0.470232857 */, 15 }, + /* 1384 */ { MAD_F(0x0787ee50) /* 0.470686258 */, 15 }, + /* 1385 */ { MAD_F(0x0789c9da) /* 0.471139767 */, 15 }, + /* 1386 */ { MAD_F(0x078ba581) /* 0.471593386 */, 15 }, + /* 1387 */ { MAD_F(0x078d8146) /* 0.472047114 */, 15 }, + /* 1388 */ { MAD_F(0x078f5d28) /* 0.472500951 */, 15 }, + /* 1389 */ { MAD_F(0x07913927) /* 0.472954896 */, 15 }, + /* 1390 */ { MAD_F(0x07931543) /* 0.473408951 */, 15 }, + /* 1391 */ { MAD_F(0x0794f17d) /* 0.473863115 */, 15 }, + + /* 1392 */ { MAD_F(0x0796cdd4) /* 0.474317388 */, 15 }, + /* 1393 */ { MAD_F(0x0798aa48) /* 0.474771769 */, 15 }, + /* 1394 */ { MAD_F(0x079a86d9) /* 0.475226259 */, 15 }, + /* 1395 */ { MAD_F(0x079c6388) /* 0.475680858 */, 15 }, + /* 1396 */ { MAD_F(0x079e4053) /* 0.476135565 */, 15 }, + /* 1397 */ { MAD_F(0x07a01d3c) /* 0.476590381 */, 15 }, + /* 1398 */ { MAD_F(0x07a1fa42) /* 0.477045306 */, 15 }, + /* 1399 */ { MAD_F(0x07a3d765) /* 0.477500339 */, 15 }, + /* 1400 */ { MAD_F(0x07a5b4a5) /* 0.477955481 */, 15 }, + /* 1401 */ { MAD_F(0x07a79202) /* 0.478410731 */, 15 }, + /* 1402 */ { MAD_F(0x07a96f7d) /* 0.478866089 */, 15 }, + /* 1403 */ { MAD_F(0x07ab4d14) /* 0.479321555 */, 15 }, + /* 1404 */ { MAD_F(0x07ad2ac8) /* 0.479777130 */, 15 }, + /* 1405 */ { MAD_F(0x07af089a) /* 0.480232813 */, 15 }, + /* 1406 */ { MAD_F(0x07b0e688) /* 0.480688604 */, 15 }, + /* 1407 */ { MAD_F(0x07b2c494) /* 0.481144503 */, 15 }, + + /* 1408 */ { MAD_F(0x07b4a2bc) /* 0.481600510 */, 15 }, + /* 1409 */ { MAD_F(0x07b68102) /* 0.482056625 */, 15 }, + /* 1410 */ { MAD_F(0x07b85f64) /* 0.482512848 */, 15 }, + /* 1411 */ { MAD_F(0x07ba3de4) /* 0.482969179 */, 15 }, + /* 1412 */ { MAD_F(0x07bc1c80) /* 0.483425618 */, 15 }, + /* 1413 */ { MAD_F(0x07bdfb39) /* 0.483882164 */, 15 }, + /* 1414 */ { MAD_F(0x07bfda0f) /* 0.484338818 */, 15 }, + /* 1415 */ { MAD_F(0x07c1b902) /* 0.484795580 */, 15 }, + /* 1416 */ { MAD_F(0x07c39812) /* 0.485252449 */, 15 }, + /* 1417 */ { MAD_F(0x07c5773f) /* 0.485709426 */, 15 }, + /* 1418 */ { MAD_F(0x07c75689) /* 0.486166511 */, 15 }, + /* 1419 */ { MAD_F(0x07c935ef) /* 0.486623703 */, 15 }, + /* 1420 */ { MAD_F(0x07cb1573) /* 0.487081002 */, 15 }, + /* 1421 */ { MAD_F(0x07ccf513) /* 0.487538409 */, 15 }, + /* 1422 */ { MAD_F(0x07ced4d0) /* 0.487995923 */, 15 }, + /* 1423 */ { MAD_F(0x07d0b4aa) /* 0.488453544 */, 15 }, + + /* 1424 */ { MAD_F(0x07d294a0) /* 0.488911273 */, 15 }, + /* 1425 */ { MAD_F(0x07d474b3) /* 0.489369108 */, 15 }, + /* 1426 */ { MAD_F(0x07d654e4) /* 0.489827051 */, 15 }, + /* 1427 */ { MAD_F(0x07d83530) /* 0.490285101 */, 15 }, + /* 1428 */ { MAD_F(0x07da159a) /* 0.490743258 */, 15 }, + /* 1429 */ { MAD_F(0x07dbf620) /* 0.491201522 */, 15 }, + /* 1430 */ { MAD_F(0x07ddd6c3) /* 0.491659892 */, 15 }, + /* 1431 */ { MAD_F(0x07dfb783) /* 0.492118370 */, 15 }, + /* 1432 */ { MAD_F(0x07e1985f) /* 0.492576954 */, 15 }, + /* 1433 */ { MAD_F(0x07e37958) /* 0.493035645 */, 15 }, + /* 1434 */ { MAD_F(0x07e55a6e) /* 0.493494443 */, 15 }, + /* 1435 */ { MAD_F(0x07e73ba0) /* 0.493953348 */, 15 }, + /* 1436 */ { MAD_F(0x07e91cef) /* 0.494412359 */, 15 }, + /* 1437 */ { MAD_F(0x07eafe5a) /* 0.494871476 */, 15 }, + /* 1438 */ { MAD_F(0x07ecdfe2) /* 0.495330701 */, 15 }, + /* 1439 */ { MAD_F(0x07eec187) /* 0.495790031 */, 15 }, + + /* 1440 */ { MAD_F(0x07f0a348) /* 0.496249468 */, 15 }, + /* 1441 */ { MAD_F(0x07f28526) /* 0.496709012 */, 15 }, + /* 1442 */ { MAD_F(0x07f46720) /* 0.497168662 */, 15 }, + /* 1443 */ { MAD_F(0x07f64937) /* 0.497628418 */, 15 }, + /* 1444 */ { MAD_F(0x07f82b6a) /* 0.498088280 */, 15 }, + /* 1445 */ { MAD_F(0x07fa0dba) /* 0.498548248 */, 15 }, + /* 1446 */ { MAD_F(0x07fbf026) /* 0.499008323 */, 15 }, + /* 1447 */ { MAD_F(0x07fdd2af) /* 0.499468503 */, 15 }, + /* 1448 */ { MAD_F(0x07ffb554) /* 0.499928790 */, 15 }, + /* 1449 */ { MAD_F(0x0400cc0b) /* 0.250194591 */, 16 }, + /* 1450 */ { MAD_F(0x0401bd7a) /* 0.250424840 */, 16 }, + /* 1451 */ { MAD_F(0x0402aef7) /* 0.250655143 */, 16 }, + /* 1452 */ { MAD_F(0x0403a083) /* 0.250885498 */, 16 }, + /* 1453 */ { MAD_F(0x0404921c) /* 0.251115906 */, 16 }, + /* 1454 */ { MAD_F(0x040583c4) /* 0.251346367 */, 16 }, + /* 1455 */ { MAD_F(0x0406757a) /* 0.251576880 */, 16 }, + + /* 1456 */ { MAD_F(0x0407673f) /* 0.251807447 */, 16 }, + /* 1457 */ { MAD_F(0x04085911) /* 0.252038066 */, 16 }, + /* 1458 */ { MAD_F(0x04094af1) /* 0.252268738 */, 16 }, + /* 1459 */ { MAD_F(0x040a3ce0) /* 0.252499463 */, 16 }, + /* 1460 */ { MAD_F(0x040b2edd) /* 0.252730240 */, 16 }, + /* 1461 */ { MAD_F(0x040c20e8) /* 0.252961071 */, 16 }, + /* 1462 */ { MAD_F(0x040d1301) /* 0.253191953 */, 16 }, + /* 1463 */ { MAD_F(0x040e0529) /* 0.253422889 */, 16 }, + /* 1464 */ { MAD_F(0x040ef75e) /* 0.253653877 */, 16 }, + /* 1465 */ { MAD_F(0x040fe9a1) /* 0.253884918 */, 16 }, + /* 1466 */ { MAD_F(0x0410dbf3) /* 0.254116011 */, 16 }, + /* 1467 */ { MAD_F(0x0411ce53) /* 0.254347157 */, 16 }, + /* 1468 */ { MAD_F(0x0412c0c1) /* 0.254578356 */, 16 }, + /* 1469 */ { MAD_F(0x0413b33d) /* 0.254809606 */, 16 }, + /* 1470 */ { MAD_F(0x0414a5c7) /* 0.255040910 */, 16 }, + /* 1471 */ { MAD_F(0x0415985f) /* 0.255272266 */, 16 }, + + /* 1472 */ { MAD_F(0x04168b05) /* 0.255503674 */, 16 }, + /* 1473 */ { MAD_F(0x04177db9) /* 0.255735135 */, 16 }, + /* 1474 */ { MAD_F(0x0418707c) /* 0.255966648 */, 16 }, + /* 1475 */ { MAD_F(0x0419634c) /* 0.256198213 */, 16 }, + /* 1476 */ { MAD_F(0x041a562a) /* 0.256429831 */, 16 }, + /* 1477 */ { MAD_F(0x041b4917) /* 0.256661501 */, 16 }, + /* 1478 */ { MAD_F(0x041c3c11) /* 0.256893223 */, 16 }, + /* 1479 */ { MAD_F(0x041d2f1a) /* 0.257124998 */, 16 }, + /* 1480 */ { MAD_F(0x041e2230) /* 0.257356825 */, 16 }, + /* 1481 */ { MAD_F(0x041f1555) /* 0.257588704 */, 16 }, + /* 1482 */ { MAD_F(0x04200888) /* 0.257820635 */, 16 }, + /* 1483 */ { MAD_F(0x0420fbc8) /* 0.258052619 */, 16 }, + /* 1484 */ { MAD_F(0x0421ef17) /* 0.258284654 */, 16 }, + /* 1485 */ { MAD_F(0x0422e273) /* 0.258516742 */, 16 }, + /* 1486 */ { MAD_F(0x0423d5de) /* 0.258748882 */, 16 }, + /* 1487 */ { MAD_F(0x0424c956) /* 0.258981074 */, 16 }, + + /* 1488 */ { MAD_F(0x0425bcdd) /* 0.259213318 */, 16 }, + /* 1489 */ { MAD_F(0x0426b071) /* 0.259445614 */, 16 }, + /* 1490 */ { MAD_F(0x0427a414) /* 0.259677962 */, 16 }, + /* 1491 */ { MAD_F(0x042897c4) /* 0.259910362 */, 16 }, + /* 1492 */ { MAD_F(0x04298b83) /* 0.260142814 */, 16 }, + /* 1493 */ { MAD_F(0x042a7f4f) /* 0.260375318 */, 16 }, + /* 1494 */ { MAD_F(0x042b7329) /* 0.260607874 */, 16 }, + /* 1495 */ { MAD_F(0x042c6711) /* 0.260840481 */, 16 }, + /* 1496 */ { MAD_F(0x042d5b07) /* 0.261073141 */, 16 }, + /* 1497 */ { MAD_F(0x042e4f0b) /* 0.261305852 */, 16 }, + /* 1498 */ { MAD_F(0x042f431d) /* 0.261538616 */, 16 }, + /* 1499 */ { MAD_F(0x0430373d) /* 0.261771431 */, 16 }, + /* 1500 */ { MAD_F(0x04312b6b) /* 0.262004297 */, 16 }, + /* 1501 */ { MAD_F(0x04321fa6) /* 0.262237216 */, 16 }, + /* 1502 */ { MAD_F(0x043313f0) /* 0.262470186 */, 16 }, + /* 1503 */ { MAD_F(0x04340847) /* 0.262703208 */, 16 }, + + /* 1504 */ { MAD_F(0x0434fcad) /* 0.262936282 */, 16 }, + /* 1505 */ { MAD_F(0x0435f120) /* 0.263169407 */, 16 }, + /* 1506 */ { MAD_F(0x0436e5a1) /* 0.263402584 */, 16 }, + /* 1507 */ { MAD_F(0x0437da2f) /* 0.263635813 */, 16 }, + /* 1508 */ { MAD_F(0x0438cecc) /* 0.263869093 */, 16 }, + /* 1509 */ { MAD_F(0x0439c377) /* 0.264102425 */, 16 }, + /* 1510 */ { MAD_F(0x043ab82f) /* 0.264335808 */, 16 }, + /* 1511 */ { MAD_F(0x043bacf5) /* 0.264569243 */, 16 }, + /* 1512 */ { MAD_F(0x043ca1c9) /* 0.264802730 */, 16 }, + /* 1513 */ { MAD_F(0x043d96ab) /* 0.265036267 */, 16 }, + /* 1514 */ { MAD_F(0x043e8b9b) /* 0.265269857 */, 16 }, + /* 1515 */ { MAD_F(0x043f8098) /* 0.265503498 */, 16 }, + /* 1516 */ { MAD_F(0x044075a3) /* 0.265737190 */, 16 }, + /* 1517 */ { MAD_F(0x04416abc) /* 0.265970933 */, 16 }, + /* 1518 */ { MAD_F(0x04425fe3) /* 0.266204728 */, 16 }, + /* 1519 */ { MAD_F(0x04435518) /* 0.266438574 */, 16 }, + + /* 1520 */ { MAD_F(0x04444a5a) /* 0.266672472 */, 16 }, + /* 1521 */ { MAD_F(0x04453fab) /* 0.266906421 */, 16 }, + /* 1522 */ { MAD_F(0x04463508) /* 0.267140421 */, 16 }, + /* 1523 */ { MAD_F(0x04472a74) /* 0.267374472 */, 16 }, + /* 1524 */ { MAD_F(0x04481fee) /* 0.267608575 */, 16 }, + /* 1525 */ { MAD_F(0x04491575) /* 0.267842729 */, 16 }, + /* 1526 */ { MAD_F(0x044a0b0a) /* 0.268076934 */, 16 }, + /* 1527 */ { MAD_F(0x044b00ac) /* 0.268311190 */, 16 }, + /* 1528 */ { MAD_F(0x044bf65d) /* 0.268545497 */, 16 }, + /* 1529 */ { MAD_F(0x044cec1b) /* 0.268779856 */, 16 }, + /* 1530 */ { MAD_F(0x044de1e7) /* 0.269014265 */, 16 }, + /* 1531 */ { MAD_F(0x044ed7c0) /* 0.269248726 */, 16 }, + /* 1532 */ { MAD_F(0x044fcda8) /* 0.269483238 */, 16 }, + /* 1533 */ { MAD_F(0x0450c39c) /* 0.269717800 */, 16 }, + /* 1534 */ { MAD_F(0x0451b99f) /* 0.269952414 */, 16 }, + /* 1535 */ { MAD_F(0x0452afaf) /* 0.270187079 */, 16 }, + + /* 1536 */ { MAD_F(0x0453a5cd) /* 0.270421794 */, 16 }, + /* 1537 */ { MAD_F(0x04549bf9) /* 0.270656561 */, 16 }, + /* 1538 */ { MAD_F(0x04559232) /* 0.270891379 */, 16 }, + /* 1539 */ { MAD_F(0x04568879) /* 0.271126247 */, 16 }, + /* 1540 */ { MAD_F(0x04577ece) /* 0.271361166 */, 16 }, + /* 1541 */ { MAD_F(0x04587530) /* 0.271596136 */, 16 }, + /* 1542 */ { MAD_F(0x04596ba0) /* 0.271831157 */, 16 }, + /* 1543 */ { MAD_F(0x045a621e) /* 0.272066229 */, 16 }, + /* 1544 */ { MAD_F(0x045b58a9) /* 0.272301352 */, 16 }, + /* 1545 */ { MAD_F(0x045c4f42) /* 0.272536525 */, 16 }, + /* 1546 */ { MAD_F(0x045d45e9) /* 0.272771749 */, 16 }, + /* 1547 */ { MAD_F(0x045e3c9d) /* 0.273007024 */, 16 }, + /* 1548 */ { MAD_F(0x045f335e) /* 0.273242350 */, 16 }, + /* 1549 */ { MAD_F(0x04602a2e) /* 0.273477726 */, 16 }, + /* 1550 */ { MAD_F(0x0461210b) /* 0.273713153 */, 16 }, + /* 1551 */ { MAD_F(0x046217f5) /* 0.273948630 */, 16 }, + + /* 1552 */ { MAD_F(0x04630eed) /* 0.274184158 */, 16 }, + /* 1553 */ { MAD_F(0x046405f3) /* 0.274419737 */, 16 }, + /* 1554 */ { MAD_F(0x0464fd06) /* 0.274655366 */, 16 }, + /* 1555 */ { MAD_F(0x0465f427) /* 0.274891046 */, 16 }, + /* 1556 */ { MAD_F(0x0466eb55) /* 0.275126776 */, 16 }, + /* 1557 */ { MAD_F(0x0467e291) /* 0.275362557 */, 16 }, + /* 1558 */ { MAD_F(0x0468d9db) /* 0.275598389 */, 16 }, + /* 1559 */ { MAD_F(0x0469d132) /* 0.275834270 */, 16 }, + /* 1560 */ { MAD_F(0x046ac896) /* 0.276070203 */, 16 }, + /* 1561 */ { MAD_F(0x046bc009) /* 0.276306185 */, 16 }, + /* 1562 */ { MAD_F(0x046cb788) /* 0.276542218 */, 16 }, + /* 1563 */ { MAD_F(0x046daf15) /* 0.276778302 */, 16 }, + /* 1564 */ { MAD_F(0x046ea6b0) /* 0.277014435 */, 16 }, + /* 1565 */ { MAD_F(0x046f9e58) /* 0.277250619 */, 16 }, + /* 1566 */ { MAD_F(0x0470960e) /* 0.277486854 */, 16 }, + /* 1567 */ { MAD_F(0x04718dd1) /* 0.277723139 */, 16 }, + + /* 1568 */ { MAD_F(0x047285a2) /* 0.277959474 */, 16 }, + /* 1569 */ { MAD_F(0x04737d80) /* 0.278195859 */, 16 }, + /* 1570 */ { MAD_F(0x0474756c) /* 0.278432294 */, 16 }, + /* 1571 */ { MAD_F(0x04756d65) /* 0.278668780 */, 16 }, + /* 1572 */ { MAD_F(0x0476656b) /* 0.278905316 */, 16 }, + /* 1573 */ { MAD_F(0x04775d7f) /* 0.279141902 */, 16 }, + /* 1574 */ { MAD_F(0x047855a1) /* 0.279378538 */, 16 }, + /* 1575 */ { MAD_F(0x04794dd0) /* 0.279615224 */, 16 }, + /* 1576 */ { MAD_F(0x047a460c) /* 0.279851960 */, 16 }, + /* 1577 */ { MAD_F(0x047b3e56) /* 0.280088747 */, 16 }, + /* 1578 */ { MAD_F(0x047c36ae) /* 0.280325583 */, 16 }, + /* 1579 */ { MAD_F(0x047d2f12) /* 0.280562470 */, 16 }, + /* 1580 */ { MAD_F(0x047e2784) /* 0.280799406 */, 16 }, + /* 1581 */ { MAD_F(0x047f2004) /* 0.281036393 */, 16 }, + /* 1582 */ { MAD_F(0x04801891) /* 0.281273429 */, 16 }, + /* 1583 */ { MAD_F(0x0481112b) /* 0.281510516 */, 16 }, + + /* 1584 */ { MAD_F(0x048209d3) /* 0.281747652 */, 16 }, + /* 1585 */ { MAD_F(0x04830288) /* 0.281984838 */, 16 }, + /* 1586 */ { MAD_F(0x0483fb4b) /* 0.282222075 */, 16 }, + /* 1587 */ { MAD_F(0x0484f41b) /* 0.282459361 */, 16 }, + /* 1588 */ { MAD_F(0x0485ecf8) /* 0.282696697 */, 16 }, + /* 1589 */ { MAD_F(0x0486e5e3) /* 0.282934082 */, 16 }, + /* 1590 */ { MAD_F(0x0487dedb) /* 0.283171518 */, 16 }, + /* 1591 */ { MAD_F(0x0488d7e1) /* 0.283409003 */, 16 }, + /* 1592 */ { MAD_F(0x0489d0f4) /* 0.283646538 */, 16 }, + /* 1593 */ { MAD_F(0x048aca14) /* 0.283884123 */, 16 }, + /* 1594 */ { MAD_F(0x048bc341) /* 0.284121757 */, 16 }, + /* 1595 */ { MAD_F(0x048cbc7c) /* 0.284359441 */, 16 }, + /* 1596 */ { MAD_F(0x048db5c4) /* 0.284597175 */, 16 }, + /* 1597 */ { MAD_F(0x048eaf1a) /* 0.284834959 */, 16 }, + /* 1598 */ { MAD_F(0x048fa87d) /* 0.285072792 */, 16 }, + /* 1599 */ { MAD_F(0x0490a1ed) /* 0.285310675 */, 16 }, + + /* 1600 */ { MAD_F(0x04919b6a) /* 0.285548607 */, 16 }, + /* 1601 */ { MAD_F(0x049294f5) /* 0.285786589 */, 16 }, + /* 1602 */ { MAD_F(0x04938e8d) /* 0.286024621 */, 16 }, + /* 1603 */ { MAD_F(0x04948833) /* 0.286262702 */, 16 }, + /* 1604 */ { MAD_F(0x049581e5) /* 0.286500832 */, 16 }, + /* 1605 */ { MAD_F(0x04967ba5) /* 0.286739012 */, 16 }, + /* 1606 */ { MAD_F(0x04977573) /* 0.286977242 */, 16 }, + /* 1607 */ { MAD_F(0x04986f4d) /* 0.287215521 */, 16 }, + /* 1608 */ { MAD_F(0x04996935) /* 0.287453849 */, 16 }, + /* 1609 */ { MAD_F(0x049a632a) /* 0.287692227 */, 16 }, + /* 1610 */ { MAD_F(0x049b5d2c) /* 0.287930654 */, 16 }, + /* 1611 */ { MAD_F(0x049c573c) /* 0.288169131 */, 16 }, + /* 1612 */ { MAD_F(0x049d5159) /* 0.288407657 */, 16 }, + /* 1613 */ { MAD_F(0x049e4b83) /* 0.288646232 */, 16 }, + /* 1614 */ { MAD_F(0x049f45ba) /* 0.288884857 */, 16 }, + /* 1615 */ { MAD_F(0x04a03ffe) /* 0.289123530 */, 16 }, + + /* 1616 */ { MAD_F(0x04a13a50) /* 0.289362253 */, 16 }, + /* 1617 */ { MAD_F(0x04a234af) /* 0.289601026 */, 16 }, + /* 1618 */ { MAD_F(0x04a32f1b) /* 0.289839847 */, 16 }, + /* 1619 */ { MAD_F(0x04a42995) /* 0.290078718 */, 16 }, + /* 1620 */ { MAD_F(0x04a5241b) /* 0.290317638 */, 16 }, + /* 1621 */ { MAD_F(0x04a61eaf) /* 0.290556607 */, 16 }, + /* 1622 */ { MAD_F(0x04a71950) /* 0.290795626 */, 16 }, + /* 1623 */ { MAD_F(0x04a813fe) /* 0.291034693 */, 16 }, + /* 1624 */ { MAD_F(0x04a90eba) /* 0.291273810 */, 16 }, + /* 1625 */ { MAD_F(0x04aa0982) /* 0.291512975 */, 16 }, + /* 1626 */ { MAD_F(0x04ab0458) /* 0.291752190 */, 16 }, + /* 1627 */ { MAD_F(0x04abff3b) /* 0.291991453 */, 16 }, + /* 1628 */ { MAD_F(0x04acfa2b) /* 0.292230766 */, 16 }, + /* 1629 */ { MAD_F(0x04adf528) /* 0.292470128 */, 16 }, + /* 1630 */ { MAD_F(0x04aef032) /* 0.292709539 */, 16 }, + /* 1631 */ { MAD_F(0x04afeb4a) /* 0.292948998 */, 16 }, + + /* 1632 */ { MAD_F(0x04b0e66e) /* 0.293188507 */, 16 }, + /* 1633 */ { MAD_F(0x04b1e1a0) /* 0.293428065 */, 16 }, + /* 1634 */ { MAD_F(0x04b2dcdf) /* 0.293667671 */, 16 }, + /* 1635 */ { MAD_F(0x04b3d82b) /* 0.293907326 */, 16 }, + /* 1636 */ { MAD_F(0x04b4d384) /* 0.294147031 */, 16 }, + /* 1637 */ { MAD_F(0x04b5ceea) /* 0.294386784 */, 16 }, + /* 1638 */ { MAD_F(0x04b6ca5e) /* 0.294626585 */, 16 }, + /* 1639 */ { MAD_F(0x04b7c5de) /* 0.294866436 */, 16 }, + /* 1640 */ { MAD_F(0x04b8c16c) /* 0.295106336 */, 16 }, + /* 1641 */ { MAD_F(0x04b9bd06) /* 0.295346284 */, 16 }, + /* 1642 */ { MAD_F(0x04bab8ae) /* 0.295586281 */, 16 }, + /* 1643 */ { MAD_F(0x04bbb463) /* 0.295826327 */, 16 }, + /* 1644 */ { MAD_F(0x04bcb024) /* 0.296066421 */, 16 }, + /* 1645 */ { MAD_F(0x04bdabf3) /* 0.296306564 */, 16 }, + /* 1646 */ { MAD_F(0x04bea7cf) /* 0.296546756 */, 16 }, + /* 1647 */ { MAD_F(0x04bfa3b8) /* 0.296786996 */, 16 }, + + /* 1648 */ { MAD_F(0x04c09faf) /* 0.297027285 */, 16 }, + /* 1649 */ { MAD_F(0x04c19bb2) /* 0.297267623 */, 16 }, + /* 1650 */ { MAD_F(0x04c297c2) /* 0.297508009 */, 16 }, + /* 1651 */ { MAD_F(0x04c393df) /* 0.297748444 */, 16 }, + /* 1652 */ { MAD_F(0x04c49009) /* 0.297988927 */, 16 }, + /* 1653 */ { MAD_F(0x04c58c41) /* 0.298229459 */, 16 }, + /* 1654 */ { MAD_F(0x04c68885) /* 0.298470039 */, 16 }, + /* 1655 */ { MAD_F(0x04c784d6) /* 0.298710668 */, 16 }, + /* 1656 */ { MAD_F(0x04c88135) /* 0.298951346 */, 16 }, + /* 1657 */ { MAD_F(0x04c97da0) /* 0.299192071 */, 16 }, + /* 1658 */ { MAD_F(0x04ca7a18) /* 0.299432846 */, 16 }, + /* 1659 */ { MAD_F(0x04cb769e) /* 0.299673668 */, 16 }, + /* 1660 */ { MAD_F(0x04cc7330) /* 0.299914539 */, 16 }, + /* 1661 */ { MAD_F(0x04cd6fcf) /* 0.300155459 */, 16 }, + /* 1662 */ { MAD_F(0x04ce6c7b) /* 0.300396426 */, 16 }, + /* 1663 */ { MAD_F(0x04cf6935) /* 0.300637443 */, 16 }, + + /* 1664 */ { MAD_F(0x04d065fb) /* 0.300878507 */, 16 }, + /* 1665 */ { MAD_F(0x04d162ce) /* 0.301119620 */, 16 }, + /* 1666 */ { MAD_F(0x04d25fae) /* 0.301360781 */, 16 }, + /* 1667 */ { MAD_F(0x04d35c9b) /* 0.301601990 */, 16 }, + /* 1668 */ { MAD_F(0x04d45995) /* 0.301843247 */, 16 }, + /* 1669 */ { MAD_F(0x04d5569c) /* 0.302084553 */, 16 }, + /* 1670 */ { MAD_F(0x04d653b0) /* 0.302325907 */, 16 }, + /* 1671 */ { MAD_F(0x04d750d1) /* 0.302567309 */, 16 }, + /* 1672 */ { MAD_F(0x04d84dff) /* 0.302808759 */, 16 }, + /* 1673 */ { MAD_F(0x04d94b3a) /* 0.303050257 */, 16 }, + /* 1674 */ { MAD_F(0x04da4881) /* 0.303291804 */, 16 }, + /* 1675 */ { MAD_F(0x04db45d6) /* 0.303533399 */, 16 }, + /* 1676 */ { MAD_F(0x04dc4337) /* 0.303775041 */, 16 }, + /* 1677 */ { MAD_F(0x04dd40a6) /* 0.304016732 */, 16 }, + /* 1678 */ { MAD_F(0x04de3e21) /* 0.304258471 */, 16 }, + /* 1679 */ { MAD_F(0x04df3ba9) /* 0.304500257 */, 16 }, + + /* 1680 */ { MAD_F(0x04e0393e) /* 0.304742092 */, 16 }, + /* 1681 */ { MAD_F(0x04e136e0) /* 0.304983975 */, 16 }, + /* 1682 */ { MAD_F(0x04e2348f) /* 0.305225906 */, 16 }, + /* 1683 */ { MAD_F(0x04e3324b) /* 0.305467885 */, 16 }, + /* 1684 */ { MAD_F(0x04e43013) /* 0.305709911 */, 16 }, + /* 1685 */ { MAD_F(0x04e52de9) /* 0.305951986 */, 16 }, + /* 1686 */ { MAD_F(0x04e62bcb) /* 0.306194108 */, 16 }, + /* 1687 */ { MAD_F(0x04e729ba) /* 0.306436279 */, 16 }, + /* 1688 */ { MAD_F(0x04e827b6) /* 0.306678497 */, 16 }, + /* 1689 */ { MAD_F(0x04e925bf) /* 0.306920763 */, 16 }, + /* 1690 */ { MAD_F(0x04ea23d4) /* 0.307163077 */, 16 }, + /* 1691 */ { MAD_F(0x04eb21f7) /* 0.307405438 */, 16 }, + /* 1692 */ { MAD_F(0x04ec2026) /* 0.307647848 */, 16 }, + /* 1693 */ { MAD_F(0x04ed1e62) /* 0.307890305 */, 16 }, + /* 1694 */ { MAD_F(0x04ee1cab) /* 0.308132810 */, 16 }, + /* 1695 */ { MAD_F(0x04ef1b01) /* 0.308375362 */, 16 }, + + /* 1696 */ { MAD_F(0x04f01963) /* 0.308617963 */, 16 }, + /* 1697 */ { MAD_F(0x04f117d3) /* 0.308860611 */, 16 }, + /* 1698 */ { MAD_F(0x04f2164f) /* 0.309103306 */, 16 }, + /* 1699 */ { MAD_F(0x04f314d8) /* 0.309346050 */, 16 }, + /* 1700 */ { MAD_F(0x04f4136d) /* 0.309588841 */, 16 }, + /* 1701 */ { MAD_F(0x04f51210) /* 0.309831679 */, 16 }, + /* 1702 */ { MAD_F(0x04f610bf) /* 0.310074565 */, 16 }, + /* 1703 */ { MAD_F(0x04f70f7b) /* 0.310317499 */, 16 }, + /* 1704 */ { MAD_F(0x04f80e44) /* 0.310560480 */, 16 }, + /* 1705 */ { MAD_F(0x04f90d19) /* 0.310803509 */, 16 }, + /* 1706 */ { MAD_F(0x04fa0bfc) /* 0.311046586 */, 16 }, + /* 1707 */ { MAD_F(0x04fb0aeb) /* 0.311289710 */, 16 }, + /* 1708 */ { MAD_F(0x04fc09e7) /* 0.311532881 */, 16 }, + /* 1709 */ { MAD_F(0x04fd08ef) /* 0.311776100 */, 16 }, + /* 1710 */ { MAD_F(0x04fe0805) /* 0.312019366 */, 16 }, + /* 1711 */ { MAD_F(0x04ff0727) /* 0.312262680 */, 16 }, + + /* 1712 */ { MAD_F(0x05000655) /* 0.312506041 */, 16 }, + /* 1713 */ { MAD_F(0x05010591) /* 0.312749449 */, 16 }, + /* 1714 */ { MAD_F(0x050204d9) /* 0.312992905 */, 16 }, + /* 1715 */ { MAD_F(0x0503042e) /* 0.313236408 */, 16 }, + /* 1716 */ { MAD_F(0x0504038f) /* 0.313479959 */, 16 }, + /* 1717 */ { MAD_F(0x050502fe) /* 0.313723556 */, 16 }, + /* 1718 */ { MAD_F(0x05060279) /* 0.313967202 */, 16 }, + /* 1719 */ { MAD_F(0x05070200) /* 0.314210894 */, 16 }, + /* 1720 */ { MAD_F(0x05080195) /* 0.314454634 */, 16 }, + /* 1721 */ { MAD_F(0x05090136) /* 0.314698420 */, 16 }, + /* 1722 */ { MAD_F(0x050a00e3) /* 0.314942255 */, 16 }, + /* 1723 */ { MAD_F(0x050b009e) /* 0.315186136 */, 16 }, + /* 1724 */ { MAD_F(0x050c0065) /* 0.315430064 */, 16 }, + /* 1725 */ { MAD_F(0x050d0039) /* 0.315674040 */, 16 }, + /* 1726 */ { MAD_F(0x050e0019) /* 0.315918063 */, 16 }, + /* 1727 */ { MAD_F(0x050f0006) /* 0.316162133 */, 16 }, + + /* 1728 */ { MAD_F(0x05100000) /* 0.316406250 */, 16 }, + /* 1729 */ { MAD_F(0x05110006) /* 0.316650414 */, 16 }, + /* 1730 */ { MAD_F(0x05120019) /* 0.316894625 */, 16 }, + /* 1731 */ { MAD_F(0x05130039) /* 0.317138884 */, 16 }, + /* 1732 */ { MAD_F(0x05140065) /* 0.317383189 */, 16 }, + /* 1733 */ { MAD_F(0x0515009e) /* 0.317627541 */, 16 }, + /* 1734 */ { MAD_F(0x051600e3) /* 0.317871941 */, 16 }, + /* 1735 */ { MAD_F(0x05170135) /* 0.318116387 */, 16 }, + /* 1736 */ { MAD_F(0x05180194) /* 0.318360880 */, 16 }, + /* 1737 */ { MAD_F(0x051901ff) /* 0.318605421 */, 16 }, + /* 1738 */ { MAD_F(0x051a0277) /* 0.318850008 */, 16 }, + /* 1739 */ { MAD_F(0x051b02fc) /* 0.319094642 */, 16 }, + /* 1740 */ { MAD_F(0x051c038d) /* 0.319339323 */, 16 }, + /* 1741 */ { MAD_F(0x051d042a) /* 0.319584051 */, 16 }, + /* 1742 */ { MAD_F(0x051e04d4) /* 0.319828826 */, 16 }, + /* 1743 */ { MAD_F(0x051f058b) /* 0.320073647 */, 16 }, + + /* 1744 */ { MAD_F(0x0520064f) /* 0.320318516 */, 16 }, + /* 1745 */ { MAD_F(0x0521071f) /* 0.320563431 */, 16 }, + /* 1746 */ { MAD_F(0x052207fb) /* 0.320808393 */, 16 }, + /* 1747 */ { MAD_F(0x052308e4) /* 0.321053402 */, 16 }, + /* 1748 */ { MAD_F(0x052409da) /* 0.321298457 */, 16 }, + /* 1749 */ { MAD_F(0x05250adc) /* 0.321543560 */, 16 }, + /* 1750 */ { MAD_F(0x05260bea) /* 0.321788709 */, 16 }, + /* 1751 */ { MAD_F(0x05270d06) /* 0.322033904 */, 16 }, + /* 1752 */ { MAD_F(0x05280e2d) /* 0.322279147 */, 16 }, + /* 1753 */ { MAD_F(0x05290f62) /* 0.322524436 */, 16 }, + /* 1754 */ { MAD_F(0x052a10a3) /* 0.322769771 */, 16 }, + /* 1755 */ { MAD_F(0x052b11f0) /* 0.323015154 */, 16 }, + /* 1756 */ { MAD_F(0x052c134a) /* 0.323260583 */, 16 }, + /* 1757 */ { MAD_F(0x052d14b0) /* 0.323506058 */, 16 }, + /* 1758 */ { MAD_F(0x052e1623) /* 0.323751580 */, 16 }, + /* 1759 */ { MAD_F(0x052f17a2) /* 0.323997149 */, 16 }, + + /* 1760 */ { MAD_F(0x0530192e) /* 0.324242764 */, 16 }, + /* 1761 */ { MAD_F(0x05311ac6) /* 0.324488426 */, 16 }, + /* 1762 */ { MAD_F(0x05321c6b) /* 0.324734134 */, 16 }, + /* 1763 */ { MAD_F(0x05331e1c) /* 0.324979889 */, 16 }, + /* 1764 */ { MAD_F(0x05341fda) /* 0.325225690 */, 16 }, + /* 1765 */ { MAD_F(0x053521a4) /* 0.325471538 */, 16 }, + /* 1766 */ { MAD_F(0x0536237b) /* 0.325717432 */, 16 }, + /* 1767 */ { MAD_F(0x0537255e) /* 0.325963372 */, 16 }, + /* 1768 */ { MAD_F(0x0538274e) /* 0.326209359 */, 16 }, + /* 1769 */ { MAD_F(0x0539294a) /* 0.326455392 */, 16 }, + /* 1770 */ { MAD_F(0x053a2b52) /* 0.326701472 */, 16 }, + /* 1771 */ { MAD_F(0x053b2d67) /* 0.326947598 */, 16 }, + /* 1772 */ { MAD_F(0x053c2f89) /* 0.327193770 */, 16 }, + /* 1773 */ { MAD_F(0x053d31b6) /* 0.327439989 */, 16 }, + /* 1774 */ { MAD_F(0x053e33f1) /* 0.327686254 */, 16 }, + /* 1775 */ { MAD_F(0x053f3637) /* 0.327932565 */, 16 }, + + /* 1776 */ { MAD_F(0x0540388a) /* 0.328178922 */, 16 }, + /* 1777 */ { MAD_F(0x05413aea) /* 0.328425326 */, 16 }, + /* 1778 */ { MAD_F(0x05423d56) /* 0.328671776 */, 16 }, + /* 1779 */ { MAD_F(0x05433fce) /* 0.328918272 */, 16 }, + /* 1780 */ { MAD_F(0x05444253) /* 0.329164814 */, 16 }, + /* 1781 */ { MAD_F(0x054544e4) /* 0.329411403 */, 16 }, + /* 1782 */ { MAD_F(0x05464781) /* 0.329658038 */, 16 }, + /* 1783 */ { MAD_F(0x05474a2b) /* 0.329904718 */, 16 }, + /* 1784 */ { MAD_F(0x05484ce2) /* 0.330151445 */, 16 }, + /* 1785 */ { MAD_F(0x05494fa4) /* 0.330398218 */, 16 }, + /* 1786 */ { MAD_F(0x054a5273) /* 0.330645037 */, 16 }, + /* 1787 */ { MAD_F(0x054b554e) /* 0.330891903 */, 16 }, + /* 1788 */ { MAD_F(0x054c5836) /* 0.331138814 */, 16 }, + /* 1789 */ { MAD_F(0x054d5b2a) /* 0.331385771 */, 16 }, + /* 1790 */ { MAD_F(0x054e5e2b) /* 0.331632774 */, 16 }, + /* 1791 */ { MAD_F(0x054f6138) /* 0.331879824 */, 16 }, + + /* 1792 */ { MAD_F(0x05506451) /* 0.332126919 */, 16 }, + /* 1793 */ { MAD_F(0x05516776) /* 0.332374060 */, 16 }, + /* 1794 */ { MAD_F(0x05526aa8) /* 0.332621247 */, 16 }, + /* 1795 */ { MAD_F(0x05536de6) /* 0.332868480 */, 16 }, + /* 1796 */ { MAD_F(0x05547131) /* 0.333115759 */, 16 }, + /* 1797 */ { MAD_F(0x05557487) /* 0.333363084 */, 16 }, + /* 1798 */ { MAD_F(0x055677ea) /* 0.333610455 */, 16 }, + /* 1799 */ { MAD_F(0x05577b5a) /* 0.333857872 */, 16 }, + /* 1800 */ { MAD_F(0x05587ed5) /* 0.334105334 */, 16 }, + /* 1801 */ { MAD_F(0x0559825e) /* 0.334352843 */, 16 }, + /* 1802 */ { MAD_F(0x055a85f2) /* 0.334600397 */, 16 }, + /* 1803 */ { MAD_F(0x055b8992) /* 0.334847997 */, 16 }, + /* 1804 */ { MAD_F(0x055c8d3f) /* 0.335095642 */, 16 }, + /* 1805 */ { MAD_F(0x055d90f9) /* 0.335343334 */, 16 }, + /* 1806 */ { MAD_F(0x055e94be) /* 0.335591071 */, 16 }, + /* 1807 */ { MAD_F(0x055f9890) /* 0.335838854 */, 16 }, + + /* 1808 */ { MAD_F(0x05609c6e) /* 0.336086683 */, 16 }, + /* 1809 */ { MAD_F(0x0561a058) /* 0.336334557 */, 16 }, + /* 1810 */ { MAD_F(0x0562a44f) /* 0.336582477 */, 16 }, + /* 1811 */ { MAD_F(0x0563a851) /* 0.336830443 */, 16 }, + /* 1812 */ { MAD_F(0x0564ac60) /* 0.337078454 */, 16 }, + /* 1813 */ { MAD_F(0x0565b07c) /* 0.337326511 */, 16 }, + /* 1814 */ { MAD_F(0x0566b4a3) /* 0.337574614 */, 16 }, + /* 1815 */ { MAD_F(0x0567b8d7) /* 0.337822762 */, 16 }, + /* 1816 */ { MAD_F(0x0568bd17) /* 0.338070956 */, 16 }, + /* 1817 */ { MAD_F(0x0569c163) /* 0.338319195 */, 16 }, + /* 1818 */ { MAD_F(0x056ac5bc) /* 0.338567480 */, 16 }, + /* 1819 */ { MAD_F(0x056bca20) /* 0.338815811 */, 16 }, + /* 1820 */ { MAD_F(0x056cce91) /* 0.339064186 */, 16 }, + /* 1821 */ { MAD_F(0x056dd30e) /* 0.339312608 */, 16 }, + /* 1822 */ { MAD_F(0x056ed798) /* 0.339561075 */, 16 }, + /* 1823 */ { MAD_F(0x056fdc2d) /* 0.339809587 */, 16 }, + + /* 1824 */ { MAD_F(0x0570e0cf) /* 0.340058145 */, 16 }, + /* 1825 */ { MAD_F(0x0571e57d) /* 0.340306748 */, 16 }, + /* 1826 */ { MAD_F(0x0572ea37) /* 0.340555397 */, 16 }, + /* 1827 */ { MAD_F(0x0573eefd) /* 0.340804091 */, 16 }, + /* 1828 */ { MAD_F(0x0574f3d0) /* 0.341052830 */, 16 }, + /* 1829 */ { MAD_F(0x0575f8ae) /* 0.341301615 */, 16 }, + /* 1830 */ { MAD_F(0x0576fd99) /* 0.341550445 */, 16 }, + /* 1831 */ { MAD_F(0x05780290) /* 0.341799321 */, 16 }, + /* 1832 */ { MAD_F(0x05790793) /* 0.342048241 */, 16 }, + /* 1833 */ { MAD_F(0x057a0ca3) /* 0.342297207 */, 16 }, + /* 1834 */ { MAD_F(0x057b11be) /* 0.342546219 */, 16 }, + /* 1835 */ { MAD_F(0x057c16e6) /* 0.342795275 */, 16 }, + /* 1836 */ { MAD_F(0x057d1c1a) /* 0.343044377 */, 16 }, + /* 1837 */ { MAD_F(0x057e2159) /* 0.343293524 */, 16 }, + /* 1838 */ { MAD_F(0x057f26a6) /* 0.343542717 */, 16 }, + /* 1839 */ { MAD_F(0x05802bfe) /* 0.343791954 */, 16 }, + + /* 1840 */ { MAD_F(0x05813162) /* 0.344041237 */, 16 }, + /* 1841 */ { MAD_F(0x058236d2) /* 0.344290564 */, 16 }, + /* 1842 */ { MAD_F(0x05833c4f) /* 0.344539937 */, 16 }, + /* 1843 */ { MAD_F(0x058441d8) /* 0.344789356 */, 16 }, + /* 1844 */ { MAD_F(0x0585476c) /* 0.345038819 */, 16 }, + /* 1845 */ { MAD_F(0x05864d0d) /* 0.345288327 */, 16 }, + /* 1846 */ { MAD_F(0x058752ba) /* 0.345537880 */, 16 }, + /* 1847 */ { MAD_F(0x05885873) /* 0.345787479 */, 16 }, + /* 1848 */ { MAD_F(0x05895e39) /* 0.346037122 */, 16 }, + /* 1849 */ { MAD_F(0x058a640a) /* 0.346286811 */, 16 }, + /* 1850 */ { MAD_F(0x058b69e7) /* 0.346536545 */, 16 }, + /* 1851 */ { MAD_F(0x058c6fd1) /* 0.346786323 */, 16 }, + /* 1852 */ { MAD_F(0x058d75c6) /* 0.347036147 */, 16 }, + /* 1853 */ { MAD_F(0x058e7bc8) /* 0.347286015 */, 16 }, + /* 1854 */ { MAD_F(0x058f81d5) /* 0.347535929 */, 16 }, + /* 1855 */ { MAD_F(0x059087ef) /* 0.347785887 */, 16 }, + + /* 1856 */ { MAD_F(0x05918e15) /* 0.348035890 */, 16 }, + /* 1857 */ { MAD_F(0x05929447) /* 0.348285939 */, 16 }, + /* 1858 */ { MAD_F(0x05939a84) /* 0.348536032 */, 16 }, + /* 1859 */ { MAD_F(0x0594a0ce) /* 0.348786170 */, 16 }, + /* 1860 */ { MAD_F(0x0595a724) /* 0.349036353 */, 16 }, + /* 1861 */ { MAD_F(0x0596ad86) /* 0.349286580 */, 16 }, + /* 1862 */ { MAD_F(0x0597b3f4) /* 0.349536853 */, 16 }, + /* 1863 */ { MAD_F(0x0598ba6e) /* 0.349787170 */, 16 }, + /* 1864 */ { MAD_F(0x0599c0f4) /* 0.350037532 */, 16 }, + /* 1865 */ { MAD_F(0x059ac786) /* 0.350287939 */, 16 }, + /* 1866 */ { MAD_F(0x059bce25) /* 0.350538391 */, 16 }, + /* 1867 */ { MAD_F(0x059cd4cf) /* 0.350788887 */, 16 }, + /* 1868 */ { MAD_F(0x059ddb85) /* 0.351039428 */, 16 }, + /* 1869 */ { MAD_F(0x059ee247) /* 0.351290014 */, 16 }, + /* 1870 */ { MAD_F(0x059fe915) /* 0.351540645 */, 16 }, + /* 1871 */ { MAD_F(0x05a0efef) /* 0.351791320 */, 16 }, + + /* 1872 */ { MAD_F(0x05a1f6d5) /* 0.352042040 */, 16 }, + /* 1873 */ { MAD_F(0x05a2fdc7) /* 0.352292804 */, 16 }, + /* 1874 */ { MAD_F(0x05a404c5) /* 0.352543613 */, 16 }, + /* 1875 */ { MAD_F(0x05a50bcf) /* 0.352794467 */, 16 }, + /* 1876 */ { MAD_F(0x05a612e5) /* 0.353045365 */, 16 }, + /* 1877 */ { MAD_F(0x05a71a07) /* 0.353296308 */, 16 }, + /* 1878 */ { MAD_F(0x05a82135) /* 0.353547296 */, 16 }, + /* 1879 */ { MAD_F(0x05a9286f) /* 0.353798328 */, 16 }, + /* 1880 */ { MAD_F(0x05aa2fb5) /* 0.354049405 */, 16 }, + /* 1881 */ { MAD_F(0x05ab3707) /* 0.354300526 */, 16 }, + /* 1882 */ { MAD_F(0x05ac3e65) /* 0.354551691 */, 16 }, + /* 1883 */ { MAD_F(0x05ad45ce) /* 0.354802901 */, 16 }, + /* 1884 */ { MAD_F(0x05ae4d44) /* 0.355054156 */, 16 }, + /* 1885 */ { MAD_F(0x05af54c6) /* 0.355305455 */, 16 }, + /* 1886 */ { MAD_F(0x05b05c53) /* 0.355556799 */, 16 }, + /* 1887 */ { MAD_F(0x05b163ed) /* 0.355808187 */, 16 }, + + /* 1888 */ { MAD_F(0x05b26b92) /* 0.356059619 */, 16 }, + /* 1889 */ { MAD_F(0x05b37343) /* 0.356311096 */, 16 }, + /* 1890 */ { MAD_F(0x05b47b00) /* 0.356562617 */, 16 }, + /* 1891 */ { MAD_F(0x05b582c9) /* 0.356814182 */, 16 }, + /* 1892 */ { MAD_F(0x05b68a9e) /* 0.357065792 */, 16 }, + /* 1893 */ { MAD_F(0x05b7927f) /* 0.357317446 */, 16 }, + /* 1894 */ { MAD_F(0x05b89a6c) /* 0.357569145 */, 16 }, + /* 1895 */ { MAD_F(0x05b9a265) /* 0.357820887 */, 16 }, + /* 1896 */ { MAD_F(0x05baaa69) /* 0.358072674 */, 16 }, + /* 1897 */ { MAD_F(0x05bbb27a) /* 0.358324506 */, 16 }, + /* 1898 */ { MAD_F(0x05bcba96) /* 0.358576381 */, 16 }, + /* 1899 */ { MAD_F(0x05bdc2be) /* 0.358828301 */, 16 }, + /* 1900 */ { MAD_F(0x05becaf2) /* 0.359080265 */, 16 }, + /* 1901 */ { MAD_F(0x05bfd332) /* 0.359332273 */, 16 }, + /* 1902 */ { MAD_F(0x05c0db7e) /* 0.359584326 */, 16 }, + /* 1903 */ { MAD_F(0x05c1e3d6) /* 0.359836423 */, 16 }, + + /* 1904 */ { MAD_F(0x05c2ec39) /* 0.360088563 */, 16 }, + /* 1905 */ { MAD_F(0x05c3f4a9) /* 0.360340748 */, 16 }, + /* 1906 */ { MAD_F(0x05c4fd24) /* 0.360592977 */, 16 }, + /* 1907 */ { MAD_F(0x05c605ab) /* 0.360845251 */, 16 }, + /* 1908 */ { MAD_F(0x05c70e3e) /* 0.361097568 */, 16 }, + /* 1909 */ { MAD_F(0x05c816dd) /* 0.361349929 */, 16 }, + /* 1910 */ { MAD_F(0x05c91f87) /* 0.361602335 */, 16 }, + /* 1911 */ { MAD_F(0x05ca283e) /* 0.361854784 */, 16 }, + /* 1912 */ { MAD_F(0x05cb3100) /* 0.362107278 */, 16 }, + /* 1913 */ { MAD_F(0x05cc39ce) /* 0.362359815 */, 16 }, + /* 1914 */ { MAD_F(0x05cd42a8) /* 0.362612397 */, 16 }, + /* 1915 */ { MAD_F(0x05ce4b8d) /* 0.362865022 */, 16 }, + /* 1916 */ { MAD_F(0x05cf547f) /* 0.363117692 */, 16 }, + /* 1917 */ { MAD_F(0x05d05d7c) /* 0.363370405 */, 16 }, + /* 1918 */ { MAD_F(0x05d16685) /* 0.363623163 */, 16 }, + /* 1919 */ { MAD_F(0x05d26f9a) /* 0.363875964 */, 16 }, + + /* 1920 */ { MAD_F(0x05d378bb) /* 0.364128809 */, 16 }, + /* 1921 */ { MAD_F(0x05d481e7) /* 0.364381698 */, 16 }, + /* 1922 */ { MAD_F(0x05d58b1f) /* 0.364634632 */, 16 }, + /* 1923 */ { MAD_F(0x05d69463) /* 0.364887608 */, 16 }, + /* 1924 */ { MAD_F(0x05d79db3) /* 0.365140629 */, 16 }, + /* 1925 */ { MAD_F(0x05d8a70f) /* 0.365393694 */, 16 }, + /* 1926 */ { MAD_F(0x05d9b076) /* 0.365646802 */, 16 }, + /* 1927 */ { MAD_F(0x05dab9e9) /* 0.365899955 */, 16 }, + /* 1928 */ { MAD_F(0x05dbc368) /* 0.366153151 */, 16 }, + /* 1929 */ { MAD_F(0x05dcccf2) /* 0.366406390 */, 16 }, + /* 1930 */ { MAD_F(0x05ddd689) /* 0.366659674 */, 16 }, + /* 1931 */ { MAD_F(0x05dee02b) /* 0.366913001 */, 16 }, + /* 1932 */ { MAD_F(0x05dfe9d8) /* 0.367166372 */, 16 }, + /* 1933 */ { MAD_F(0x05e0f392) /* 0.367419787 */, 16 }, + /* 1934 */ { MAD_F(0x05e1fd57) /* 0.367673246 */, 16 }, + /* 1935 */ { MAD_F(0x05e30728) /* 0.367926748 */, 16 }, + + /* 1936 */ { MAD_F(0x05e41105) /* 0.368180294 */, 16 }, + /* 1937 */ { MAD_F(0x05e51aed) /* 0.368433883 */, 16 }, + /* 1938 */ { MAD_F(0x05e624e1) /* 0.368687517 */, 16 }, + /* 1939 */ { MAD_F(0x05e72ee1) /* 0.368941193 */, 16 }, + /* 1940 */ { MAD_F(0x05e838ed) /* 0.369194914 */, 16 }, + /* 1941 */ { MAD_F(0x05e94304) /* 0.369448678 */, 16 }, + /* 1942 */ { MAD_F(0x05ea4d27) /* 0.369702485 */, 16 }, + /* 1943 */ { MAD_F(0x05eb5756) /* 0.369956336 */, 16 }, + /* 1944 */ { MAD_F(0x05ec6190) /* 0.370210231 */, 16 }, + /* 1945 */ { MAD_F(0x05ed6bd6) /* 0.370464169 */, 16 }, + /* 1946 */ { MAD_F(0x05ee7628) /* 0.370718151 */, 16 }, + /* 1947 */ { MAD_F(0x05ef8085) /* 0.370972177 */, 16 }, + /* 1948 */ { MAD_F(0x05f08aee) /* 0.371226245 */, 16 }, + /* 1949 */ { MAD_F(0x05f19563) /* 0.371480358 */, 16 }, + /* 1950 */ { MAD_F(0x05f29fe3) /* 0.371734513 */, 16 }, + /* 1951 */ { MAD_F(0x05f3aa6f) /* 0.371988712 */, 16 }, + + /* 1952 */ { MAD_F(0x05f4b507) /* 0.372242955 */, 16 }, + /* 1953 */ { MAD_F(0x05f5bfab) /* 0.372497241 */, 16 }, + /* 1954 */ { MAD_F(0x05f6ca5a) /* 0.372751570 */, 16 }, + /* 1955 */ { MAD_F(0x05f7d514) /* 0.373005943 */, 16 }, + /* 1956 */ { MAD_F(0x05f8dfdb) /* 0.373260359 */, 16 }, + /* 1957 */ { MAD_F(0x05f9eaad) /* 0.373514819 */, 16 }, + /* 1958 */ { MAD_F(0x05faf58a) /* 0.373769322 */, 16 }, + /* 1959 */ { MAD_F(0x05fc0073) /* 0.374023868 */, 16 }, + /* 1960 */ { MAD_F(0x05fd0b68) /* 0.374278458 */, 16 }, + /* 1961 */ { MAD_F(0x05fe1669) /* 0.374533091 */, 16 }, + /* 1962 */ { MAD_F(0x05ff2175) /* 0.374787767 */, 16 }, + /* 1963 */ { MAD_F(0x06002c8d) /* 0.375042486 */, 16 }, + /* 1964 */ { MAD_F(0x060137b0) /* 0.375297249 */, 16 }, + /* 1965 */ { MAD_F(0x060242df) /* 0.375552055 */, 16 }, + /* 1966 */ { MAD_F(0x06034e19) /* 0.375806904 */, 16 }, + /* 1967 */ { MAD_F(0x0604595f) /* 0.376061796 */, 16 }, + + /* 1968 */ { MAD_F(0x060564b1) /* 0.376316732 */, 16 }, + /* 1969 */ { MAD_F(0x0606700f) /* 0.376571710 */, 16 }, + /* 1970 */ { MAD_F(0x06077b77) /* 0.376826732 */, 16 }, + /* 1971 */ { MAD_F(0x060886ec) /* 0.377081797 */, 16 }, + /* 1972 */ { MAD_F(0x0609926c) /* 0.377336905 */, 16 }, + /* 1973 */ { MAD_F(0x060a9df8) /* 0.377592057 */, 16 }, + /* 1974 */ { MAD_F(0x060ba98f) /* 0.377847251 */, 16 }, + /* 1975 */ { MAD_F(0x060cb532) /* 0.378102489 */, 16 }, + /* 1976 */ { MAD_F(0x060dc0e0) /* 0.378357769 */, 16 }, + /* 1977 */ { MAD_F(0x060ecc9a) /* 0.378613093 */, 16 }, + /* 1978 */ { MAD_F(0x060fd860) /* 0.378868460 */, 16 }, + /* 1979 */ { MAD_F(0x0610e431) /* 0.379123870 */, 16 }, + /* 1980 */ { MAD_F(0x0611f00d) /* 0.379379322 */, 16 }, + /* 1981 */ { MAD_F(0x0612fbf5) /* 0.379634818 */, 16 }, + /* 1982 */ { MAD_F(0x061407e9) /* 0.379890357 */, 16 }, + /* 1983 */ { MAD_F(0x061513e8) /* 0.380145939 */, 16 }, + + /* 1984 */ { MAD_F(0x06161ff3) /* 0.380401563 */, 16 }, + /* 1985 */ { MAD_F(0x06172c09) /* 0.380657231 */, 16 }, + /* 1986 */ { MAD_F(0x0618382b) /* 0.380912942 */, 16 }, + /* 1987 */ { MAD_F(0x06194458) /* 0.381168695 */, 16 }, + /* 1988 */ { MAD_F(0x061a5091) /* 0.381424492 */, 16 }, + /* 1989 */ { MAD_F(0x061b5cd5) /* 0.381680331 */, 16 }, + /* 1990 */ { MAD_F(0x061c6925) /* 0.381936213 */, 16 }, + /* 1991 */ { MAD_F(0x061d7581) /* 0.382192138 */, 16 }, + /* 1992 */ { MAD_F(0x061e81e8) /* 0.382448106 */, 16 }, + /* 1993 */ { MAD_F(0x061f8e5a) /* 0.382704117 */, 16 }, + /* 1994 */ { MAD_F(0x06209ad8) /* 0.382960171 */, 16 }, + /* 1995 */ { MAD_F(0x0621a761) /* 0.383216267 */, 16 }, + /* 1996 */ { MAD_F(0x0622b3f6) /* 0.383472406 */, 16 }, + /* 1997 */ { MAD_F(0x0623c096) /* 0.383728588 */, 16 }, + /* 1998 */ { MAD_F(0x0624cd42) /* 0.383984813 */, 16 }, + /* 1999 */ { MAD_F(0x0625d9f9) /* 0.384241080 */, 16 }, + + /* 2000 */ { MAD_F(0x0626e6bc) /* 0.384497391 */, 16 }, + /* 2001 */ { MAD_F(0x0627f38a) /* 0.384753744 */, 16 }, + /* 2002 */ { MAD_F(0x06290064) /* 0.385010139 */, 16 }, + /* 2003 */ { MAD_F(0x062a0d49) /* 0.385266578 */, 16 }, + /* 2004 */ { MAD_F(0x062b1a3a) /* 0.385523059 */, 16 }, + /* 2005 */ { MAD_F(0x062c2736) /* 0.385779582 */, 16 }, + /* 2006 */ { MAD_F(0x062d343d) /* 0.386036149 */, 16 }, + /* 2007 */ { MAD_F(0x062e4150) /* 0.386292758 */, 16 }, + /* 2008 */ { MAD_F(0x062f4e6f) /* 0.386549409 */, 16 }, + /* 2009 */ { MAD_F(0x06305b99) /* 0.386806104 */, 16 }, + /* 2010 */ { MAD_F(0x063168ce) /* 0.387062840 */, 16 }, + /* 2011 */ { MAD_F(0x0632760f) /* 0.387319620 */, 16 }, + /* 2012 */ { MAD_F(0x0633835b) /* 0.387576442 */, 16 }, + /* 2013 */ { MAD_F(0x063490b2) /* 0.387833306 */, 16 }, + /* 2014 */ { MAD_F(0x06359e15) /* 0.388090213 */, 16 }, + /* 2015 */ { MAD_F(0x0636ab83) /* 0.388347163 */, 16 }, + + /* 2016 */ { MAD_F(0x0637b8fd) /* 0.388604155 */, 16 }, + /* 2017 */ { MAD_F(0x0638c682) /* 0.388861190 */, 16 }, + /* 2018 */ { MAD_F(0x0639d413) /* 0.389118267 */, 16 }, + /* 2019 */ { MAD_F(0x063ae1af) /* 0.389375386 */, 16 }, + /* 2020 */ { MAD_F(0x063bef56) /* 0.389632548 */, 16 }, + /* 2021 */ { MAD_F(0x063cfd09) /* 0.389889752 */, 16 }, + /* 2022 */ { MAD_F(0x063e0ac7) /* 0.390146999 */, 16 }, + /* 2023 */ { MAD_F(0x063f1891) /* 0.390404289 */, 16 }, + /* 2024 */ { MAD_F(0x06402666) /* 0.390661620 */, 16 }, + /* 2025 */ { MAD_F(0x06413446) /* 0.390918994 */, 16 }, + /* 2026 */ { MAD_F(0x06424232) /* 0.391176411 */, 16 }, + /* 2027 */ { MAD_F(0x06435029) /* 0.391433869 */, 16 }, + /* 2028 */ { MAD_F(0x06445e2b) /* 0.391691371 */, 16 }, + /* 2029 */ { MAD_F(0x06456c39) /* 0.391948914 */, 16 }, + /* 2030 */ { MAD_F(0x06467a52) /* 0.392206500 */, 16 }, + /* 2031 */ { MAD_F(0x06478877) /* 0.392464128 */, 16 }, + + /* 2032 */ { MAD_F(0x064896a7) /* 0.392721798 */, 16 }, + /* 2033 */ { MAD_F(0x0649a4e2) /* 0.392979511 */, 16 }, + /* 2034 */ { MAD_F(0x064ab328) /* 0.393237266 */, 16 }, + /* 2035 */ { MAD_F(0x064bc17a) /* 0.393495063 */, 16 }, + /* 2036 */ { MAD_F(0x064ccfd8) /* 0.393752902 */, 16 }, + /* 2037 */ { MAD_F(0x064dde40) /* 0.394010784 */, 16 }, + /* 2038 */ { MAD_F(0x064eecb4) /* 0.394268707 */, 16 }, + /* 2039 */ { MAD_F(0x064ffb33) /* 0.394526673 */, 16 }, + /* 2040 */ { MAD_F(0x065109be) /* 0.394784681 */, 16 }, + /* 2041 */ { MAD_F(0x06521854) /* 0.395042732 */, 16 }, + /* 2042 */ { MAD_F(0x065326f5) /* 0.395300824 */, 16 }, + /* 2043 */ { MAD_F(0x065435a1) /* 0.395558959 */, 16 }, + /* 2044 */ { MAD_F(0x06554459) /* 0.395817135 */, 16 }, + /* 2045 */ { MAD_F(0x0656531c) /* 0.396075354 */, 16 }, + /* 2046 */ { MAD_F(0x065761ea) /* 0.396333615 */, 16 }, + /* 2047 */ { MAD_F(0x065870c4) /* 0.396591918 */, 16 }, + + /* 2048 */ { MAD_F(0x06597fa9) /* 0.396850263 */, 16 }, + /* 2049 */ { MAD_F(0x065a8e99) /* 0.397108650 */, 16 }, + /* 2050 */ { MAD_F(0x065b9d95) /* 0.397367079 */, 16 }, + /* 2051 */ { MAD_F(0x065cac9c) /* 0.397625550 */, 16 }, + /* 2052 */ { MAD_F(0x065dbbae) /* 0.397884063 */, 16 }, + /* 2053 */ { MAD_F(0x065ecacb) /* 0.398142619 */, 16 }, + /* 2054 */ { MAD_F(0x065fd9f4) /* 0.398401216 */, 16 }, + /* 2055 */ { MAD_F(0x0660e928) /* 0.398659855 */, 16 }, + /* 2056 */ { MAD_F(0x0661f867) /* 0.398918536 */, 16 }, + /* 2057 */ { MAD_F(0x066307b1) /* 0.399177259 */, 16 }, + /* 2058 */ { MAD_F(0x06641707) /* 0.399436024 */, 16 }, + /* 2059 */ { MAD_F(0x06652668) /* 0.399694831 */, 16 }, + /* 2060 */ { MAD_F(0x066635d4) /* 0.399953679 */, 16 }, + /* 2061 */ { MAD_F(0x0667454c) /* 0.400212570 */, 16 }, + /* 2062 */ { MAD_F(0x066854ce) /* 0.400471503 */, 16 }, + /* 2063 */ { MAD_F(0x0669645c) /* 0.400730477 */, 16 }, + + /* 2064 */ { MAD_F(0x066a73f5) /* 0.400989493 */, 16 }, + /* 2065 */ { MAD_F(0x066b839a) /* 0.401248551 */, 16 }, + /* 2066 */ { MAD_F(0x066c9349) /* 0.401507651 */, 16 }, + /* 2067 */ { MAD_F(0x066da304) /* 0.401766793 */, 16 }, + /* 2068 */ { MAD_F(0x066eb2ca) /* 0.402025976 */, 16 }, + /* 2069 */ { MAD_F(0x066fc29b) /* 0.402285202 */, 16 }, + /* 2070 */ { MAD_F(0x0670d278) /* 0.402544469 */, 16 }, + /* 2071 */ { MAD_F(0x0671e25f) /* 0.402803777 */, 16 }, + /* 2072 */ { MAD_F(0x0672f252) /* 0.403063128 */, 16 }, + /* 2073 */ { MAD_F(0x06740250) /* 0.403322520 */, 16 }, + /* 2074 */ { MAD_F(0x0675125a) /* 0.403581954 */, 16 }, + /* 2075 */ { MAD_F(0x0676226e) /* 0.403841430 */, 16 }, + /* 2076 */ { MAD_F(0x0677328e) /* 0.404100947 */, 16 }, + /* 2077 */ { MAD_F(0x067842b9) /* 0.404360506 */, 16 }, + /* 2078 */ { MAD_F(0x067952ef) /* 0.404620107 */, 16 }, + /* 2079 */ { MAD_F(0x067a6330) /* 0.404879749 */, 16 }, + + /* 2080 */ { MAD_F(0x067b737c) /* 0.405139433 */, 16 }, + /* 2081 */ { MAD_F(0x067c83d4) /* 0.405399159 */, 16 }, + /* 2082 */ { MAD_F(0x067d9436) /* 0.405658926 */, 16 }, + /* 2083 */ { MAD_F(0x067ea4a4) /* 0.405918735 */, 16 }, + /* 2084 */ { MAD_F(0x067fb51d) /* 0.406178585 */, 16 }, + /* 2085 */ { MAD_F(0x0680c5a2) /* 0.406438477 */, 16 }, + /* 2086 */ { MAD_F(0x0681d631) /* 0.406698410 */, 16 }, + /* 2087 */ { MAD_F(0x0682e6cb) /* 0.406958385 */, 16 }, + /* 2088 */ { MAD_F(0x0683f771) /* 0.407218402 */, 16 }, + /* 2089 */ { MAD_F(0x06850822) /* 0.407478460 */, 16 }, + /* 2090 */ { MAD_F(0x068618de) /* 0.407738559 */, 16 }, + /* 2091 */ { MAD_F(0x068729a5) /* 0.407998700 */, 16 }, + /* 2092 */ { MAD_F(0x06883a77) /* 0.408258883 */, 16 }, + /* 2093 */ { MAD_F(0x06894b55) /* 0.408519107 */, 16 }, + /* 2094 */ { MAD_F(0x068a5c3d) /* 0.408779372 */, 16 }, + /* 2095 */ { MAD_F(0x068b6d31) /* 0.409039679 */, 16 }, + + /* 2096 */ { MAD_F(0x068c7e2f) /* 0.409300027 */, 16 }, + /* 2097 */ { MAD_F(0x068d8f39) /* 0.409560417 */, 16 }, + /* 2098 */ { MAD_F(0x068ea04e) /* 0.409820848 */, 16 }, + /* 2099 */ { MAD_F(0x068fb16e) /* 0.410081321 */, 16 }, + /* 2100 */ { MAD_F(0x0690c299) /* 0.410341834 */, 16 }, + /* 2101 */ { MAD_F(0x0691d3cf) /* 0.410602390 */, 16 }, + /* 2102 */ { MAD_F(0x0692e511) /* 0.410862986 */, 16 }, + /* 2103 */ { MAD_F(0x0693f65d) /* 0.411123624 */, 16 }, + /* 2104 */ { MAD_F(0x069507b5) /* 0.411384303 */, 16 }, + /* 2105 */ { MAD_F(0x06961917) /* 0.411645024 */, 16 }, + /* 2106 */ { MAD_F(0x06972a85) /* 0.411905785 */, 16 }, + /* 2107 */ { MAD_F(0x06983bfe) /* 0.412166588 */, 16 }, + /* 2108 */ { MAD_F(0x06994d82) /* 0.412427433 */, 16 }, + /* 2109 */ { MAD_F(0x069a5f11) /* 0.412688318 */, 16 }, + /* 2110 */ { MAD_F(0x069b70ab) /* 0.412949245 */, 16 }, + /* 2111 */ { MAD_F(0x069c8250) /* 0.413210213 */, 16 }, + + /* 2112 */ { MAD_F(0x069d9400) /* 0.413471222 */, 16 }, + /* 2113 */ { MAD_F(0x069ea5bb) /* 0.413732273 */, 16 }, + /* 2114 */ { MAD_F(0x069fb781) /* 0.413993364 */, 16 }, + /* 2115 */ { MAD_F(0x06a0c953) /* 0.414254497 */, 16 }, + /* 2116 */ { MAD_F(0x06a1db2f) /* 0.414515671 */, 16 }, + /* 2117 */ { MAD_F(0x06a2ed16) /* 0.414776886 */, 16 }, + /* 2118 */ { MAD_F(0x06a3ff09) /* 0.415038142 */, 16 }, + /* 2119 */ { MAD_F(0x06a51106) /* 0.415299440 */, 16 }, + /* 2120 */ { MAD_F(0x06a6230f) /* 0.415560778 */, 16 }, + /* 2121 */ { MAD_F(0x06a73522) /* 0.415822157 */, 16 }, + /* 2122 */ { MAD_F(0x06a84741) /* 0.416083578 */, 16 }, + /* 2123 */ { MAD_F(0x06a9596a) /* 0.416345040 */, 16 }, + /* 2124 */ { MAD_F(0x06aa6b9f) /* 0.416606542 */, 16 }, + /* 2125 */ { MAD_F(0x06ab7ddf) /* 0.416868086 */, 16 }, + /* 2126 */ { MAD_F(0x06ac9029) /* 0.417129671 */, 16 }, + /* 2127 */ { MAD_F(0x06ada27f) /* 0.417391297 */, 16 }, + + /* 2128 */ { MAD_F(0x06aeb4e0) /* 0.417652964 */, 16 }, + /* 2129 */ { MAD_F(0x06afc74b) /* 0.417914672 */, 16 }, + /* 2130 */ { MAD_F(0x06b0d9c2) /* 0.418176420 */, 16 }, + /* 2131 */ { MAD_F(0x06b1ec43) /* 0.418438210 */, 16 }, + /* 2132 */ { MAD_F(0x06b2fed0) /* 0.418700041 */, 16 }, + /* 2133 */ { MAD_F(0x06b41168) /* 0.418961912 */, 16 }, + /* 2134 */ { MAD_F(0x06b5240a) /* 0.419223825 */, 16 }, + /* 2135 */ { MAD_F(0x06b636b8) /* 0.419485778 */, 16 }, + /* 2136 */ { MAD_F(0x06b74971) /* 0.419747773 */, 16 }, + /* 2137 */ { MAD_F(0x06b85c34) /* 0.420009808 */, 16 }, + /* 2138 */ { MAD_F(0x06b96f03) /* 0.420271884 */, 16 }, + /* 2139 */ { MAD_F(0x06ba81dc) /* 0.420534001 */, 16 }, + /* 2140 */ { MAD_F(0x06bb94c1) /* 0.420796159 */, 16 }, + /* 2141 */ { MAD_F(0x06bca7b0) /* 0.421058358 */, 16 }, + /* 2142 */ { MAD_F(0x06bdbaaa) /* 0.421320597 */, 16 }, + /* 2143 */ { MAD_F(0x06becdb0) /* 0.421582878 */, 16 }, + + /* 2144 */ { MAD_F(0x06bfe0c0) /* 0.421845199 */, 16 }, + /* 2145 */ { MAD_F(0x06c0f3db) /* 0.422107561 */, 16 }, + /* 2146 */ { MAD_F(0x06c20702) /* 0.422369964 */, 16 }, + /* 2147 */ { MAD_F(0x06c31a33) /* 0.422632407 */, 16 }, + /* 2148 */ { MAD_F(0x06c42d6f) /* 0.422894891 */, 16 }, + /* 2149 */ { MAD_F(0x06c540b6) /* 0.423157416 */, 16 }, + /* 2150 */ { MAD_F(0x06c65408) /* 0.423419982 */, 16 }, + /* 2151 */ { MAD_F(0x06c76765) /* 0.423682588 */, 16 }, + /* 2152 */ { MAD_F(0x06c87acc) /* 0.423945235 */, 16 }, + /* 2153 */ { MAD_F(0x06c98e3f) /* 0.424207923 */, 16 }, + /* 2154 */ { MAD_F(0x06caa1bd) /* 0.424470652 */, 16 }, + /* 2155 */ { MAD_F(0x06cbb545) /* 0.424733421 */, 16 }, + /* 2156 */ { MAD_F(0x06ccc8d9) /* 0.424996230 */, 16 }, + /* 2157 */ { MAD_F(0x06cddc77) /* 0.425259081 */, 16 }, + /* 2158 */ { MAD_F(0x06cef020) /* 0.425521972 */, 16 }, + /* 2159 */ { MAD_F(0x06d003d4) /* 0.425784903 */, 16 }, + + /* 2160 */ { MAD_F(0x06d11794) /* 0.426047876 */, 16 }, + /* 2161 */ { MAD_F(0x06d22b5e) /* 0.426310889 */, 16 }, + /* 2162 */ { MAD_F(0x06d33f32) /* 0.426573942 */, 16 }, + /* 2163 */ { MAD_F(0x06d45312) /* 0.426837036 */, 16 }, + /* 2164 */ { MAD_F(0x06d566fd) /* 0.427100170 */, 16 }, + /* 2165 */ { MAD_F(0x06d67af2) /* 0.427363345 */, 16 }, + /* 2166 */ { MAD_F(0x06d78ef3) /* 0.427626561 */, 16 }, + /* 2167 */ { MAD_F(0x06d8a2fe) /* 0.427889817 */, 16 }, + /* 2168 */ { MAD_F(0x06d9b714) /* 0.428153114 */, 16 }, + /* 2169 */ { MAD_F(0x06dacb35) /* 0.428416451 */, 16 }, + /* 2170 */ { MAD_F(0x06dbdf61) /* 0.428679828 */, 16 }, + /* 2171 */ { MAD_F(0x06dcf398) /* 0.428943246 */, 16 }, + /* 2172 */ { MAD_F(0x06de07d9) /* 0.429206704 */, 16 }, + /* 2173 */ { MAD_F(0x06df1c26) /* 0.429470203 */, 16 }, + /* 2174 */ { MAD_F(0x06e0307d) /* 0.429733743 */, 16 }, + /* 2175 */ { MAD_F(0x06e144df) /* 0.429997322 */, 16 }, + + /* 2176 */ { MAD_F(0x06e2594c) /* 0.430260942 */, 16 }, + /* 2177 */ { MAD_F(0x06e36dc4) /* 0.430524603 */, 16 }, + /* 2178 */ { MAD_F(0x06e48246) /* 0.430788304 */, 16 }, + /* 2179 */ { MAD_F(0x06e596d4) /* 0.431052045 */, 16 }, + /* 2180 */ { MAD_F(0x06e6ab6c) /* 0.431315826 */, 16 }, + /* 2181 */ { MAD_F(0x06e7c00f) /* 0.431579648 */, 16 }, + /* 2182 */ { MAD_F(0x06e8d4bd) /* 0.431843511 */, 16 }, + /* 2183 */ { MAD_F(0x06e9e976) /* 0.432107413 */, 16 }, + /* 2184 */ { MAD_F(0x06eafe3a) /* 0.432371356 */, 16 }, + /* 2185 */ { MAD_F(0x06ec1308) /* 0.432635339 */, 16 }, + /* 2186 */ { MAD_F(0x06ed27e2) /* 0.432899362 */, 16 }, + /* 2187 */ { MAD_F(0x06ee3cc6) /* 0.433163426 */, 16 }, + /* 2188 */ { MAD_F(0x06ef51b4) /* 0.433427530 */, 16 }, + /* 2189 */ { MAD_F(0x06f066ae) /* 0.433691674 */, 16 }, + /* 2190 */ { MAD_F(0x06f17bb3) /* 0.433955859 */, 16 }, + /* 2191 */ { MAD_F(0x06f290c2) /* 0.434220083 */, 16 }, + + /* 2192 */ { MAD_F(0x06f3a5dc) /* 0.434484348 */, 16 }, + /* 2193 */ { MAD_F(0x06f4bb01) /* 0.434748653 */, 16 }, + /* 2194 */ { MAD_F(0x06f5d030) /* 0.435012998 */, 16 }, + /* 2195 */ { MAD_F(0x06f6e56b) /* 0.435277383 */, 16 }, + /* 2196 */ { MAD_F(0x06f7fab0) /* 0.435541809 */, 16 }, + /* 2197 */ { MAD_F(0x06f91000) /* 0.435806274 */, 16 }, + /* 2198 */ { MAD_F(0x06fa255a) /* 0.436070780 */, 16 }, + /* 2199 */ { MAD_F(0x06fb3ac0) /* 0.436335326 */, 16 }, + /* 2200 */ { MAD_F(0x06fc5030) /* 0.436599912 */, 16 }, + /* 2201 */ { MAD_F(0x06fd65ab) /* 0.436864538 */, 16 }, + /* 2202 */ { MAD_F(0x06fe7b31) /* 0.437129204 */, 16 }, + /* 2203 */ { MAD_F(0x06ff90c2) /* 0.437393910 */, 16 }, + /* 2204 */ { MAD_F(0x0700a65d) /* 0.437658657 */, 16 }, + /* 2205 */ { MAD_F(0x0701bc03) /* 0.437923443 */, 16 }, + /* 2206 */ { MAD_F(0x0702d1b4) /* 0.438188269 */, 16 }, + /* 2207 */ { MAD_F(0x0703e76f) /* 0.438453136 */, 16 }, + + /* 2208 */ { MAD_F(0x0704fd35) /* 0.438718042 */, 16 }, + /* 2209 */ { MAD_F(0x07061306) /* 0.438982988 */, 16 }, + /* 2210 */ { MAD_F(0x070728e2) /* 0.439247975 */, 16 }, + /* 2211 */ { MAD_F(0x07083ec9) /* 0.439513001 */, 16 }, + /* 2212 */ { MAD_F(0x070954ba) /* 0.439778067 */, 16 }, + /* 2213 */ { MAD_F(0x070a6ab6) /* 0.440043173 */, 16 }, + /* 2214 */ { MAD_F(0x070b80bc) /* 0.440308320 */, 16 }, + /* 2215 */ { MAD_F(0x070c96ce) /* 0.440573506 */, 16 }, + /* 2216 */ { MAD_F(0x070dacea) /* 0.440838732 */, 16 }, + /* 2217 */ { MAD_F(0x070ec310) /* 0.441103997 */, 16 }, + /* 2218 */ { MAD_F(0x070fd942) /* 0.441369303 */, 16 }, + /* 2219 */ { MAD_F(0x0710ef7e) /* 0.441634649 */, 16 }, + /* 2220 */ { MAD_F(0x071205c5) /* 0.441900034 */, 16 }, + /* 2221 */ { MAD_F(0x07131c17) /* 0.442165460 */, 16 }, + /* 2222 */ { MAD_F(0x07143273) /* 0.442430925 */, 16 }, + /* 2223 */ { MAD_F(0x071548da) /* 0.442696430 */, 16 }, + + /* 2224 */ { MAD_F(0x07165f4b) /* 0.442961975 */, 16 }, + /* 2225 */ { MAD_F(0x071775c8) /* 0.443227559 */, 16 }, + /* 2226 */ { MAD_F(0x07188c4f) /* 0.443493184 */, 16 }, + /* 2227 */ { MAD_F(0x0719a2e0) /* 0.443758848 */, 16 }, + /* 2228 */ { MAD_F(0x071ab97d) /* 0.444024552 */, 16 }, + /* 2229 */ { MAD_F(0x071bd024) /* 0.444290296 */, 16 }, + /* 2230 */ { MAD_F(0x071ce6d6) /* 0.444556079 */, 16 }, + /* 2231 */ { MAD_F(0x071dfd92) /* 0.444821902 */, 16 }, + /* 2232 */ { MAD_F(0x071f1459) /* 0.445087765 */, 16 }, + /* 2233 */ { MAD_F(0x07202b2b) /* 0.445353668 */, 16 }, + /* 2234 */ { MAD_F(0x07214207) /* 0.445619610 */, 16 }, + /* 2235 */ { MAD_F(0x072258ee) /* 0.445885592 */, 16 }, + /* 2236 */ { MAD_F(0x07236fe0) /* 0.446151614 */, 16 }, + /* 2237 */ { MAD_F(0x072486dc) /* 0.446417675 */, 16 }, + /* 2238 */ { MAD_F(0x07259de3) /* 0.446683776 */, 16 }, + /* 2239 */ { MAD_F(0x0726b4f4) /* 0.446949917 */, 16 }, + + /* 2240 */ { MAD_F(0x0727cc11) /* 0.447216097 */, 16 }, + /* 2241 */ { MAD_F(0x0728e338) /* 0.447482317 */, 16 }, + /* 2242 */ { MAD_F(0x0729fa69) /* 0.447748576 */, 16 }, + /* 2243 */ { MAD_F(0x072b11a5) /* 0.448014875 */, 16 }, + /* 2244 */ { MAD_F(0x072c28ec) /* 0.448281214 */, 16 }, + /* 2245 */ { MAD_F(0x072d403d) /* 0.448547592 */, 16 }, + /* 2246 */ { MAD_F(0x072e5799) /* 0.448814010 */, 16 }, + /* 2247 */ { MAD_F(0x072f6f00) /* 0.449080467 */, 16 }, + /* 2248 */ { MAD_F(0x07308671) /* 0.449346964 */, 16 }, + /* 2249 */ { MAD_F(0x07319ded) /* 0.449613501 */, 16 }, + /* 2250 */ { MAD_F(0x0732b573) /* 0.449880076 */, 16 }, + /* 2251 */ { MAD_F(0x0733cd04) /* 0.450146692 */, 16 }, + /* 2252 */ { MAD_F(0x0734e4a0) /* 0.450413347 */, 16 }, + /* 2253 */ { MAD_F(0x0735fc46) /* 0.450680041 */, 16 }, + /* 2254 */ { MAD_F(0x073713f7) /* 0.450946775 */, 16 }, + /* 2255 */ { MAD_F(0x07382bb2) /* 0.451213548 */, 16 }, + + /* 2256 */ { MAD_F(0x07394378) /* 0.451480360 */, 16 }, + /* 2257 */ { MAD_F(0x073a5b49) /* 0.451747213 */, 16 }, + /* 2258 */ { MAD_F(0x073b7324) /* 0.452014104 */, 16 }, + /* 2259 */ { MAD_F(0x073c8b0a) /* 0.452281035 */, 16 }, + /* 2260 */ { MAD_F(0x073da2fa) /* 0.452548005 */, 16 }, + /* 2261 */ { MAD_F(0x073ebaf5) /* 0.452815015 */, 16 }, + /* 2262 */ { MAD_F(0x073fd2fa) /* 0.453082064 */, 16 }, + /* 2263 */ { MAD_F(0x0740eb0a) /* 0.453349152 */, 16 }, + /* 2264 */ { MAD_F(0x07420325) /* 0.453616280 */, 16 }, + /* 2265 */ { MAD_F(0x07431b4a) /* 0.453883447 */, 16 }, + /* 2266 */ { MAD_F(0x0744337a) /* 0.454150653 */, 16 }, + /* 2267 */ { MAD_F(0x07454bb4) /* 0.454417899 */, 16 }, + /* 2268 */ { MAD_F(0x074663f8) /* 0.454685184 */, 16 }, + /* 2269 */ { MAD_F(0x07477c48) /* 0.454952508 */, 16 }, + /* 2270 */ { MAD_F(0x074894a2) /* 0.455219872 */, 16 }, + /* 2271 */ { MAD_F(0x0749ad06) /* 0.455487275 */, 16 }, + + /* 2272 */ { MAD_F(0x074ac575) /* 0.455754717 */, 16 }, + /* 2273 */ { MAD_F(0x074bddee) /* 0.456022198 */, 16 }, + /* 2274 */ { MAD_F(0x074cf672) /* 0.456289719 */, 16 }, + /* 2275 */ { MAD_F(0x074e0f01) /* 0.456557278 */, 16 }, + /* 2276 */ { MAD_F(0x074f279a) /* 0.456824877 */, 16 }, + /* 2277 */ { MAD_F(0x0750403e) /* 0.457092516 */, 16 }, + /* 2278 */ { MAD_F(0x075158ec) /* 0.457360193 */, 16 }, + /* 2279 */ { MAD_F(0x075271a4) /* 0.457627909 */, 16 }, + /* 2280 */ { MAD_F(0x07538a67) /* 0.457895665 */, 16 }, + /* 2281 */ { MAD_F(0x0754a335) /* 0.458163460 */, 16 }, + /* 2282 */ { MAD_F(0x0755bc0d) /* 0.458431294 */, 16 }, + /* 2283 */ { MAD_F(0x0756d4f0) /* 0.458699167 */, 16 }, + /* 2284 */ { MAD_F(0x0757eddd) /* 0.458967079 */, 16 }, + /* 2285 */ { MAD_F(0x075906d5) /* 0.459235030 */, 16 }, + /* 2286 */ { MAD_F(0x075a1fd7) /* 0.459503021 */, 16 }, + /* 2287 */ { MAD_F(0x075b38e3) /* 0.459771050 */, 16 }, + + /* 2288 */ { MAD_F(0x075c51fa) /* 0.460039119 */, 16 }, + /* 2289 */ { MAD_F(0x075d6b1c) /* 0.460307226 */, 16 }, + /* 2290 */ { MAD_F(0x075e8448) /* 0.460575373 */, 16 }, + /* 2291 */ { MAD_F(0x075f9d7f) /* 0.460843559 */, 16 }, + /* 2292 */ { MAD_F(0x0760b6c0) /* 0.461111783 */, 16 }, + /* 2293 */ { MAD_F(0x0761d00b) /* 0.461380047 */, 16 }, + /* 2294 */ { MAD_F(0x0762e961) /* 0.461648350 */, 16 }, + /* 2295 */ { MAD_F(0x076402c1) /* 0.461916691 */, 16 }, + /* 2296 */ { MAD_F(0x07651c2c) /* 0.462185072 */, 16 }, + /* 2297 */ { MAD_F(0x076635a2) /* 0.462453492 */, 16 }, + /* 2298 */ { MAD_F(0x07674f22) /* 0.462721950 */, 16 }, + /* 2299 */ { MAD_F(0x076868ac) /* 0.462990448 */, 16 }, + /* 2300 */ { MAD_F(0x07698240) /* 0.463258984 */, 16 }, + /* 2301 */ { MAD_F(0x076a9be0) /* 0.463527560 */, 16 }, + /* 2302 */ { MAD_F(0x076bb589) /* 0.463796174 */, 16 }, + /* 2303 */ { MAD_F(0x076ccf3d) /* 0.464064827 */, 16 }, + + /* 2304 */ { MAD_F(0x076de8fc) /* 0.464333519 */, 16 }, + /* 2305 */ { MAD_F(0x076f02c5) /* 0.464602250 */, 16 }, + /* 2306 */ { MAD_F(0x07701c98) /* 0.464871020 */, 16 }, + /* 2307 */ { MAD_F(0x07713676) /* 0.465139829 */, 16 }, + /* 2308 */ { MAD_F(0x0772505e) /* 0.465408676 */, 16 }, + /* 2309 */ { MAD_F(0x07736a51) /* 0.465677563 */, 16 }, + /* 2310 */ { MAD_F(0x0774844e) /* 0.465946488 */, 16 }, + /* 2311 */ { MAD_F(0x07759e55) /* 0.466215452 */, 16 }, + /* 2312 */ { MAD_F(0x0776b867) /* 0.466484455 */, 16 }, + /* 2313 */ { MAD_F(0x0777d283) /* 0.466753496 */, 16 }, + /* 2314 */ { MAD_F(0x0778ecaa) /* 0.467022577 */, 16 }, + /* 2315 */ { MAD_F(0x077a06db) /* 0.467291696 */, 16 }, + /* 2316 */ { MAD_F(0x077b2117) /* 0.467560854 */, 16 }, + /* 2317 */ { MAD_F(0x077c3b5d) /* 0.467830050 */, 16 }, + /* 2318 */ { MAD_F(0x077d55ad) /* 0.468099285 */, 16 }, + /* 2319 */ { MAD_F(0x077e7008) /* 0.468368560 */, 16 }, + + /* 2320 */ { MAD_F(0x077f8a6d) /* 0.468637872 */, 16 }, + /* 2321 */ { MAD_F(0x0780a4dc) /* 0.468907224 */, 16 }, + /* 2322 */ { MAD_F(0x0781bf56) /* 0.469176614 */, 16 }, + /* 2323 */ { MAD_F(0x0782d9da) /* 0.469446043 */, 16 }, + /* 2324 */ { MAD_F(0x0783f469) /* 0.469715510 */, 16 }, + /* 2325 */ { MAD_F(0x07850f02) /* 0.469985016 */, 16 }, + /* 2326 */ { MAD_F(0x078629a5) /* 0.470254561 */, 16 }, + /* 2327 */ { MAD_F(0x07874453) /* 0.470524145 */, 16 }, + /* 2328 */ { MAD_F(0x07885f0b) /* 0.470793767 */, 16 }, + /* 2329 */ { MAD_F(0x078979ce) /* 0.471063427 */, 16 }, + /* 2330 */ { MAD_F(0x078a949a) /* 0.471333126 */, 16 }, + /* 2331 */ { MAD_F(0x078baf72) /* 0.471602864 */, 16 }, + /* 2332 */ { MAD_F(0x078cca53) /* 0.471872641 */, 16 }, + /* 2333 */ { MAD_F(0x078de53f) /* 0.472142456 */, 16 }, + /* 2334 */ { MAD_F(0x078f0035) /* 0.472412309 */, 16 }, + /* 2335 */ { MAD_F(0x07901b36) /* 0.472682201 */, 16 }, + + /* 2336 */ { MAD_F(0x07913641) /* 0.472952132 */, 16 }, + /* 2337 */ { MAD_F(0x07925156) /* 0.473222101 */, 16 }, + /* 2338 */ { MAD_F(0x07936c76) /* 0.473492108 */, 16 }, + /* 2339 */ { MAD_F(0x079487a0) /* 0.473762155 */, 16 }, + /* 2340 */ { MAD_F(0x0795a2d4) /* 0.474032239 */, 16 }, + /* 2341 */ { MAD_F(0x0796be13) /* 0.474302362 */, 16 }, + /* 2342 */ { MAD_F(0x0797d95c) /* 0.474572524 */, 16 }, + /* 2343 */ { MAD_F(0x0798f4af) /* 0.474842724 */, 16 }, + /* 2344 */ { MAD_F(0x079a100c) /* 0.475112962 */, 16 }, + /* 2345 */ { MAD_F(0x079b2b74) /* 0.475383239 */, 16 }, + /* 2346 */ { MAD_F(0x079c46e7) /* 0.475653554 */, 16 }, + /* 2347 */ { MAD_F(0x079d6263) /* 0.475923908 */, 16 }, + /* 2348 */ { MAD_F(0x079e7dea) /* 0.476194300 */, 16 }, + /* 2349 */ { MAD_F(0x079f997b) /* 0.476464731 */, 16 }, + /* 2350 */ { MAD_F(0x07a0b516) /* 0.476735200 */, 16 }, + /* 2351 */ { MAD_F(0x07a1d0bc) /* 0.477005707 */, 16 }, + + /* 2352 */ { MAD_F(0x07a2ec6c) /* 0.477276252 */, 16 }, + /* 2353 */ { MAD_F(0x07a40827) /* 0.477546836 */, 16 }, + /* 2354 */ { MAD_F(0x07a523eb) /* 0.477817459 */, 16 }, + /* 2355 */ { MAD_F(0x07a63fba) /* 0.478088119 */, 16 }, + /* 2356 */ { MAD_F(0x07a75b93) /* 0.478358818 */, 16 }, + /* 2357 */ { MAD_F(0x07a87777) /* 0.478629555 */, 16 }, + /* 2358 */ { MAD_F(0x07a99364) /* 0.478900331 */, 16 }, + /* 2359 */ { MAD_F(0x07aaaf5c) /* 0.479171145 */, 16 }, + /* 2360 */ { MAD_F(0x07abcb5f) /* 0.479441997 */, 16 }, + /* 2361 */ { MAD_F(0x07ace76b) /* 0.479712887 */, 16 }, + /* 2362 */ { MAD_F(0x07ae0382) /* 0.479983816 */, 16 }, + /* 2363 */ { MAD_F(0x07af1fa3) /* 0.480254782 */, 16 }, + /* 2364 */ { MAD_F(0x07b03bcf) /* 0.480525787 */, 16 }, + /* 2365 */ { MAD_F(0x07b15804) /* 0.480796831 */, 16 }, + /* 2366 */ { MAD_F(0x07b27444) /* 0.481067912 */, 16 }, + /* 2367 */ { MAD_F(0x07b3908e) /* 0.481339032 */, 16 }, + + /* 2368 */ { MAD_F(0x07b4ace3) /* 0.481610189 */, 16 }, + /* 2369 */ { MAD_F(0x07b5c941) /* 0.481881385 */, 16 }, + /* 2370 */ { MAD_F(0x07b6e5aa) /* 0.482152620 */, 16 }, + /* 2371 */ { MAD_F(0x07b8021d) /* 0.482423892 */, 16 }, + /* 2372 */ { MAD_F(0x07b91e9b) /* 0.482695202 */, 16 }, + /* 2373 */ { MAD_F(0x07ba3b22) /* 0.482966551 */, 16 }, + /* 2374 */ { MAD_F(0x07bb57b4) /* 0.483237938 */, 16 }, + /* 2375 */ { MAD_F(0x07bc7450) /* 0.483509362 */, 16 }, + /* 2376 */ { MAD_F(0x07bd90f6) /* 0.483780825 */, 16 }, + /* 2377 */ { MAD_F(0x07beada7) /* 0.484052326 */, 16 }, + /* 2378 */ { MAD_F(0x07bfca61) /* 0.484323865 */, 16 }, + /* 2379 */ { MAD_F(0x07c0e726) /* 0.484595443 */, 16 }, + /* 2380 */ { MAD_F(0x07c203f5) /* 0.484867058 */, 16 }, + /* 2381 */ { MAD_F(0x07c320cf) /* 0.485138711 */, 16 }, + /* 2382 */ { MAD_F(0x07c43db2) /* 0.485410402 */, 16 }, + /* 2383 */ { MAD_F(0x07c55aa0) /* 0.485682131 */, 16 }, + + /* 2384 */ { MAD_F(0x07c67798) /* 0.485953899 */, 16 }, + /* 2385 */ { MAD_F(0x07c7949a) /* 0.486225704 */, 16 }, + /* 2386 */ { MAD_F(0x07c8b1a7) /* 0.486497547 */, 16 }, + /* 2387 */ { MAD_F(0x07c9cebd) /* 0.486769429 */, 16 }, + /* 2388 */ { MAD_F(0x07caebde) /* 0.487041348 */, 16 }, + /* 2389 */ { MAD_F(0x07cc0909) /* 0.487313305 */, 16 }, + /* 2390 */ { MAD_F(0x07cd263e) /* 0.487585300 */, 16 }, + /* 2391 */ { MAD_F(0x07ce437d) /* 0.487857333 */, 16 }, + /* 2392 */ { MAD_F(0x07cf60c7) /* 0.488129404 */, 16 }, + /* 2393 */ { MAD_F(0x07d07e1b) /* 0.488401513 */, 16 }, + /* 2394 */ { MAD_F(0x07d19b79) /* 0.488673660 */, 16 }, + /* 2395 */ { MAD_F(0x07d2b8e1) /* 0.488945845 */, 16 }, + /* 2396 */ { MAD_F(0x07d3d653) /* 0.489218067 */, 16 }, + /* 2397 */ { MAD_F(0x07d4f3cf) /* 0.489490328 */, 16 }, + /* 2398 */ { MAD_F(0x07d61156) /* 0.489762626 */, 16 }, + /* 2399 */ { MAD_F(0x07d72ee6) /* 0.490034962 */, 16 }, + + /* 2400 */ { MAD_F(0x07d84c81) /* 0.490307336 */, 16 }, + /* 2401 */ { MAD_F(0x07d96a26) /* 0.490579748 */, 16 }, + /* 2402 */ { MAD_F(0x07da87d5) /* 0.490852198 */, 16 }, + /* 2403 */ { MAD_F(0x07dba58f) /* 0.491124686 */, 16 }, + /* 2404 */ { MAD_F(0x07dcc352) /* 0.491397211 */, 16 }, + /* 2405 */ { MAD_F(0x07dde120) /* 0.491669774 */, 16 }, + /* 2406 */ { MAD_F(0x07defef7) /* 0.491942375 */, 16 }, + /* 2407 */ { MAD_F(0x07e01cd9) /* 0.492215014 */, 16 }, + /* 2408 */ { MAD_F(0x07e13ac5) /* 0.492487690 */, 16 }, + /* 2409 */ { MAD_F(0x07e258bc) /* 0.492760404 */, 16 }, + /* 2410 */ { MAD_F(0x07e376bc) /* 0.493033156 */, 16 }, + /* 2411 */ { MAD_F(0x07e494c6) /* 0.493305946 */, 16 }, + /* 2412 */ { MAD_F(0x07e5b2db) /* 0.493578773 */, 16 }, + /* 2413 */ { MAD_F(0x07e6d0f9) /* 0.493851638 */, 16 }, + /* 2414 */ { MAD_F(0x07e7ef22) /* 0.494124541 */, 16 }, + /* 2415 */ { MAD_F(0x07e90d55) /* 0.494397481 */, 16 }, + + /* 2416 */ { MAD_F(0x07ea2b92) /* 0.494670459 */, 16 }, + /* 2417 */ { MAD_F(0x07eb49d9) /* 0.494943475 */, 16 }, + /* 2418 */ { MAD_F(0x07ec682a) /* 0.495216529 */, 16 }, + /* 2419 */ { MAD_F(0x07ed8686) /* 0.495489620 */, 16 }, + /* 2420 */ { MAD_F(0x07eea4eb) /* 0.495762748 */, 16 }, + /* 2421 */ { MAD_F(0x07efc35b) /* 0.496035915 */, 16 }, + /* 2422 */ { MAD_F(0x07f0e1d4) /* 0.496309119 */, 16 }, + /* 2423 */ { MAD_F(0x07f20058) /* 0.496582360 */, 16 }, + /* 2424 */ { MAD_F(0x07f31ee6) /* 0.496855639 */, 16 }, + /* 2425 */ { MAD_F(0x07f43d7e) /* 0.497128956 */, 16 }, + /* 2426 */ { MAD_F(0x07f55c20) /* 0.497402310 */, 16 }, + /* 2427 */ { MAD_F(0x07f67acc) /* 0.497675702 */, 16 }, + /* 2428 */ { MAD_F(0x07f79982) /* 0.497949132 */, 16 }, + /* 2429 */ { MAD_F(0x07f8b842) /* 0.498222598 */, 16 }, + /* 2430 */ { MAD_F(0x07f9d70c) /* 0.498496103 */, 16 }, + /* 2431 */ { MAD_F(0x07faf5e1) /* 0.498769645 */, 16 }, + + /* 2432 */ { MAD_F(0x07fc14bf) /* 0.499043224 */, 16 }, + /* 2433 */ { MAD_F(0x07fd33a8) /* 0.499316841 */, 16 }, + /* 2434 */ { MAD_F(0x07fe529a) /* 0.499590496 */, 16 }, + /* 2435 */ { MAD_F(0x07ff7197) /* 0.499864188 */, 16 }, + /* 2436 */ { MAD_F(0x0400484f) /* 0.250068959 */, 17 }, + /* 2437 */ { MAD_F(0x0400d7d7) /* 0.250205842 */, 17 }, + /* 2438 */ { MAD_F(0x04016764) /* 0.250342744 */, 17 }, + /* 2439 */ { MAD_F(0x0401f6f7) /* 0.250479665 */, 17 }, + /* 2440 */ { MAD_F(0x0402868e) /* 0.250616605 */, 17 }, + /* 2441 */ { MAD_F(0x0403162b) /* 0.250753563 */, 17 }, + /* 2442 */ { MAD_F(0x0403a5cc) /* 0.250890540 */, 17 }, + /* 2443 */ { MAD_F(0x04043573) /* 0.251027536 */, 17 }, + /* 2444 */ { MAD_F(0x0404c51e) /* 0.251164550 */, 17 }, + /* 2445 */ { MAD_F(0x040554cf) /* 0.251301583 */, 17 }, + /* 2446 */ { MAD_F(0x0405e484) /* 0.251438635 */, 17 }, + /* 2447 */ { MAD_F(0x0406743f) /* 0.251575706 */, 17 }, + + /* 2448 */ { MAD_F(0x040703ff) /* 0.251712795 */, 17 }, + /* 2449 */ { MAD_F(0x040793c3) /* 0.251849903 */, 17 }, + /* 2450 */ { MAD_F(0x0408238d) /* 0.251987029 */, 17 }, + /* 2451 */ { MAD_F(0x0408b35b) /* 0.252124174 */, 17 }, + /* 2452 */ { MAD_F(0x0409432f) /* 0.252261338 */, 17 }, + /* 2453 */ { MAD_F(0x0409d308) /* 0.252398520 */, 17 }, + /* 2454 */ { MAD_F(0x040a62e5) /* 0.252535721 */, 17 }, + /* 2455 */ { MAD_F(0x040af2c8) /* 0.252672941 */, 17 }, + /* 2456 */ { MAD_F(0x040b82b0) /* 0.252810180 */, 17 }, + /* 2457 */ { MAD_F(0x040c129c) /* 0.252947436 */, 17 }, + /* 2458 */ { MAD_F(0x040ca28e) /* 0.253084712 */, 17 }, + /* 2459 */ { MAD_F(0x040d3284) /* 0.253222006 */, 17 }, + /* 2460 */ { MAD_F(0x040dc280) /* 0.253359319 */, 17 }, + /* 2461 */ { MAD_F(0x040e5281) /* 0.253496651 */, 17 }, + /* 2462 */ { MAD_F(0x040ee286) /* 0.253634001 */, 17 }, + /* 2463 */ { MAD_F(0x040f7291) /* 0.253771369 */, 17 }, + + /* 2464 */ { MAD_F(0x041002a1) /* 0.253908756 */, 17 }, + /* 2465 */ { MAD_F(0x041092b5) /* 0.254046162 */, 17 }, + /* 2466 */ { MAD_F(0x041122cf) /* 0.254183587 */, 17 }, + /* 2467 */ { MAD_F(0x0411b2ed) /* 0.254321030 */, 17 }, + /* 2468 */ { MAD_F(0x04124311) /* 0.254458491 */, 17 }, + /* 2469 */ { MAD_F(0x0412d339) /* 0.254595971 */, 17 }, + /* 2470 */ { MAD_F(0x04136367) /* 0.254733470 */, 17 }, + /* 2471 */ { MAD_F(0x0413f399) /* 0.254870987 */, 17 }, + /* 2472 */ { MAD_F(0x041483d1) /* 0.255008523 */, 17 }, + /* 2473 */ { MAD_F(0x0415140d) /* 0.255146077 */, 17 }, + /* 2474 */ { MAD_F(0x0415a44f) /* 0.255283650 */, 17 }, + /* 2475 */ { MAD_F(0x04163495) /* 0.255421241 */, 17 }, + /* 2476 */ { MAD_F(0x0416c4e1) /* 0.255558851 */, 17 }, + /* 2477 */ { MAD_F(0x04175531) /* 0.255696480 */, 17 }, + /* 2478 */ { MAD_F(0x0417e586) /* 0.255834127 */, 17 }, + /* 2479 */ { MAD_F(0x041875e1) /* 0.255971792 */, 17 }, + + /* 2480 */ { MAD_F(0x04190640) /* 0.256109476 */, 17 }, + /* 2481 */ { MAD_F(0x041996a4) /* 0.256247179 */, 17 }, + /* 2482 */ { MAD_F(0x041a270d) /* 0.256384900 */, 17 }, + /* 2483 */ { MAD_F(0x041ab77b) /* 0.256522639 */, 17 }, + /* 2484 */ { MAD_F(0x041b47ef) /* 0.256660397 */, 17 }, + /* 2485 */ { MAD_F(0x041bd867) /* 0.256798174 */, 17 }, + /* 2486 */ { MAD_F(0x041c68e4) /* 0.256935969 */, 17 }, + /* 2487 */ { MAD_F(0x041cf966) /* 0.257073782 */, 17 }, + /* 2488 */ { MAD_F(0x041d89ed) /* 0.257211614 */, 17 }, + /* 2489 */ { MAD_F(0x041e1a79) /* 0.257349465 */, 17 }, + /* 2490 */ { MAD_F(0x041eab0a) /* 0.257487334 */, 17 }, + /* 2491 */ { MAD_F(0x041f3b9f) /* 0.257625221 */, 17 }, + /* 2492 */ { MAD_F(0x041fcc3a) /* 0.257763127 */, 17 }, + /* 2493 */ { MAD_F(0x04205cda) /* 0.257901051 */, 17 }, + /* 2494 */ { MAD_F(0x0420ed7f) /* 0.258038994 */, 17 }, + /* 2495 */ { MAD_F(0x04217e28) /* 0.258176955 */, 17 }, + + /* 2496 */ { MAD_F(0x04220ed7) /* 0.258314934 */, 17 }, + /* 2497 */ { MAD_F(0x04229f8a) /* 0.258452932 */, 17 }, + /* 2498 */ { MAD_F(0x04233043) /* 0.258590948 */, 17 }, + /* 2499 */ { MAD_F(0x0423c100) /* 0.258728983 */, 17 }, + /* 2500 */ { MAD_F(0x042451c3) /* 0.258867036 */, 17 }, + /* 2501 */ { MAD_F(0x0424e28a) /* 0.259005108 */, 17 }, + /* 2502 */ { MAD_F(0x04257356) /* 0.259143198 */, 17 }, + /* 2503 */ { MAD_F(0x04260428) /* 0.259281307 */, 17 }, + /* 2504 */ { MAD_F(0x042694fe) /* 0.259419433 */, 17 }, + /* 2505 */ { MAD_F(0x042725d9) /* 0.259557579 */, 17 }, + /* 2506 */ { MAD_F(0x0427b6b9) /* 0.259695742 */, 17 }, + /* 2507 */ { MAD_F(0x0428479e) /* 0.259833924 */, 17 }, + /* 2508 */ { MAD_F(0x0428d888) /* 0.259972124 */, 17 }, + /* 2509 */ { MAD_F(0x04296976) /* 0.260110343 */, 17 }, + /* 2510 */ { MAD_F(0x0429fa6a) /* 0.260248580 */, 17 }, + /* 2511 */ { MAD_F(0x042a8b63) /* 0.260386836 */, 17 }, + + /* 2512 */ { MAD_F(0x042b1c60) /* 0.260525110 */, 17 }, + /* 2513 */ { MAD_F(0x042bad63) /* 0.260663402 */, 17 }, + /* 2514 */ { MAD_F(0x042c3e6a) /* 0.260801712 */, 17 }, + /* 2515 */ { MAD_F(0x042ccf77) /* 0.260940041 */, 17 }, + /* 2516 */ { MAD_F(0x042d6088) /* 0.261078388 */, 17 }, + /* 2517 */ { MAD_F(0x042df19e) /* 0.261216754 */, 17 }, + /* 2518 */ { MAD_F(0x042e82b9) /* 0.261355137 */, 17 }, + /* 2519 */ { MAD_F(0x042f13d9) /* 0.261493540 */, 17 }, + /* 2520 */ { MAD_F(0x042fa4fe) /* 0.261631960 */, 17 }, + /* 2521 */ { MAD_F(0x04303628) /* 0.261770399 */, 17 }, + /* 2522 */ { MAD_F(0x0430c757) /* 0.261908856 */, 17 }, + /* 2523 */ { MAD_F(0x0431588b) /* 0.262047331 */, 17 }, + /* 2524 */ { MAD_F(0x0431e9c3) /* 0.262185825 */, 17 }, + /* 2525 */ { MAD_F(0x04327b01) /* 0.262324337 */, 17 }, + /* 2526 */ { MAD_F(0x04330c43) /* 0.262462867 */, 17 }, + /* 2527 */ { MAD_F(0x04339d8a) /* 0.262601416 */, 17 }, + + /* 2528 */ { MAD_F(0x04342ed7) /* 0.262739982 */, 17 }, + /* 2529 */ { MAD_F(0x0434c028) /* 0.262878568 */, 17 }, + /* 2530 */ { MAD_F(0x0435517e) /* 0.263017171 */, 17 }, + /* 2531 */ { MAD_F(0x0435e2d9) /* 0.263155792 */, 17 }, + /* 2532 */ { MAD_F(0x04367439) /* 0.263294432 */, 17 }, + /* 2533 */ { MAD_F(0x0437059e) /* 0.263433090 */, 17 }, + /* 2534 */ { MAD_F(0x04379707) /* 0.263571767 */, 17 }, + /* 2535 */ { MAD_F(0x04382876) /* 0.263710461 */, 17 }, + /* 2536 */ { MAD_F(0x0438b9e9) /* 0.263849174 */, 17 }, + /* 2537 */ { MAD_F(0x04394b61) /* 0.263987905 */, 17 }, + /* 2538 */ { MAD_F(0x0439dcdf) /* 0.264126655 */, 17 }, + /* 2539 */ { MAD_F(0x043a6e61) /* 0.264265422 */, 17 }, + /* 2540 */ { MAD_F(0x043affe8) /* 0.264404208 */, 17 }, + /* 2541 */ { MAD_F(0x043b9174) /* 0.264543012 */, 17 }, + /* 2542 */ { MAD_F(0x043c2305) /* 0.264681834 */, 17 }, + /* 2543 */ { MAD_F(0x043cb49a) /* 0.264820674 */, 17 }, + + /* 2544 */ { MAD_F(0x043d4635) /* 0.264959533 */, 17 }, + /* 2545 */ { MAD_F(0x043dd7d4) /* 0.265098410 */, 17 }, + /* 2546 */ { MAD_F(0x043e6979) /* 0.265237305 */, 17 }, + /* 2547 */ { MAD_F(0x043efb22) /* 0.265376218 */, 17 }, + /* 2548 */ { MAD_F(0x043f8cd0) /* 0.265515149 */, 17 }, + /* 2549 */ { MAD_F(0x04401e83) /* 0.265654099 */, 17 }, + /* 2550 */ { MAD_F(0x0440b03b) /* 0.265793066 */, 17 }, + /* 2551 */ { MAD_F(0x044141f7) /* 0.265932052 */, 17 }, + /* 2552 */ { MAD_F(0x0441d3b9) /* 0.266071056 */, 17 }, + /* 2553 */ { MAD_F(0x04426580) /* 0.266210078 */, 17 }, + /* 2554 */ { MAD_F(0x0442f74b) /* 0.266349119 */, 17 }, + /* 2555 */ { MAD_F(0x0443891b) /* 0.266488177 */, 17 }, + /* 2556 */ { MAD_F(0x04441af0) /* 0.266627254 */, 17 }, + /* 2557 */ { MAD_F(0x0444acca) /* 0.266766349 */, 17 }, + /* 2558 */ { MAD_F(0x04453ea9) /* 0.266905462 */, 17 }, + /* 2559 */ { MAD_F(0x0445d08d) /* 0.267044593 */, 17 }, + + /* 2560 */ { MAD_F(0x04466275) /* 0.267183742 */, 17 }, + /* 2561 */ { MAD_F(0x0446f463) /* 0.267322909 */, 17 }, + /* 2562 */ { MAD_F(0x04478655) /* 0.267462094 */, 17 }, + /* 2563 */ { MAD_F(0x0448184c) /* 0.267601298 */, 17 }, + /* 2564 */ { MAD_F(0x0448aa48) /* 0.267740519 */, 17 }, + /* 2565 */ { MAD_F(0x04493c49) /* 0.267879759 */, 17 }, + /* 2566 */ { MAD_F(0x0449ce4f) /* 0.268019017 */, 17 }, + /* 2567 */ { MAD_F(0x044a6059) /* 0.268158293 */, 17 }, + /* 2568 */ { MAD_F(0x044af269) /* 0.268297587 */, 17 }, + /* 2569 */ { MAD_F(0x044b847d) /* 0.268436899 */, 17 }, + /* 2570 */ { MAD_F(0x044c1696) /* 0.268576229 */, 17 }, + /* 2571 */ { MAD_F(0x044ca8b4) /* 0.268715577 */, 17 }, + /* 2572 */ { MAD_F(0x044d3ad7) /* 0.268854943 */, 17 }, + /* 2573 */ { MAD_F(0x044dccff) /* 0.268994328 */, 17 }, + /* 2574 */ { MAD_F(0x044e5f2b) /* 0.269133730 */, 17 }, + /* 2575 */ { MAD_F(0x044ef15d) /* 0.269273150 */, 17 }, + + /* 2576 */ { MAD_F(0x044f8393) /* 0.269412589 */, 17 }, + /* 2577 */ { MAD_F(0x045015ce) /* 0.269552045 */, 17 }, + /* 2578 */ { MAD_F(0x0450a80e) /* 0.269691520 */, 17 }, + /* 2579 */ { MAD_F(0x04513a53) /* 0.269831013 */, 17 }, + /* 2580 */ { MAD_F(0x0451cc9c) /* 0.269970523 */, 17 }, + /* 2581 */ { MAD_F(0x04525eeb) /* 0.270110052 */, 17 }, + /* 2582 */ { MAD_F(0x0452f13e) /* 0.270249599 */, 17 }, + /* 2583 */ { MAD_F(0x04538396) /* 0.270389163 */, 17 }, + /* 2584 */ { MAD_F(0x045415f3) /* 0.270528746 */, 17 }, + /* 2585 */ { MAD_F(0x0454a855) /* 0.270668347 */, 17 }, + /* 2586 */ { MAD_F(0x04553abb) /* 0.270807965 */, 17 }, + /* 2587 */ { MAD_F(0x0455cd27) /* 0.270947602 */, 17 }, + /* 2588 */ { MAD_F(0x04565f97) /* 0.271087257 */, 17 }, + /* 2589 */ { MAD_F(0x0456f20c) /* 0.271226930 */, 17 }, + /* 2590 */ { MAD_F(0x04578486) /* 0.271366620 */, 17 }, + /* 2591 */ { MAD_F(0x04581705) /* 0.271506329 */, 17 }, + + /* 2592 */ { MAD_F(0x0458a989) /* 0.271646056 */, 17 }, + /* 2593 */ { MAD_F(0x04593c11) /* 0.271785800 */, 17 }, + /* 2594 */ { MAD_F(0x0459ce9e) /* 0.271925563 */, 17 }, + /* 2595 */ { MAD_F(0x045a6130) /* 0.272065343 */, 17 }, + /* 2596 */ { MAD_F(0x045af3c7) /* 0.272205142 */, 17 }, + /* 2597 */ { MAD_F(0x045b8663) /* 0.272344958 */, 17 }, + /* 2598 */ { MAD_F(0x045c1903) /* 0.272484793 */, 17 }, + /* 2599 */ { MAD_F(0x045caba9) /* 0.272624645 */, 17 }, + /* 2600 */ { MAD_F(0x045d3e53) /* 0.272764515 */, 17 }, + /* 2601 */ { MAD_F(0x045dd102) /* 0.272904403 */, 17 }, + /* 2602 */ { MAD_F(0x045e63b6) /* 0.273044310 */, 17 }, + /* 2603 */ { MAD_F(0x045ef66e) /* 0.273184234 */, 17 }, + /* 2604 */ { MAD_F(0x045f892b) /* 0.273324176 */, 17 }, + /* 2605 */ { MAD_F(0x04601bee) /* 0.273464136 */, 17 }, + /* 2606 */ { MAD_F(0x0460aeb5) /* 0.273604113 */, 17 }, + /* 2607 */ { MAD_F(0x04614180) /* 0.273744109 */, 17 }, + + /* 2608 */ { MAD_F(0x0461d451) /* 0.273884123 */, 17 }, + /* 2609 */ { MAD_F(0x04626727) /* 0.274024154 */, 17 }, + /* 2610 */ { MAD_F(0x0462fa01) /* 0.274164204 */, 17 }, + /* 2611 */ { MAD_F(0x04638ce0) /* 0.274304271 */, 17 }, + /* 2612 */ { MAD_F(0x04641fc4) /* 0.274444356 */, 17 }, + /* 2613 */ { MAD_F(0x0464b2ac) /* 0.274584459 */, 17 }, + /* 2614 */ { MAD_F(0x0465459a) /* 0.274724580 */, 17 }, + /* 2615 */ { MAD_F(0x0465d88c) /* 0.274864719 */, 17 }, + /* 2616 */ { MAD_F(0x04666b83) /* 0.275004875 */, 17 }, + /* 2617 */ { MAD_F(0x0466fe7f) /* 0.275145050 */, 17 }, + /* 2618 */ { MAD_F(0x0467917f) /* 0.275285242 */, 17 }, + /* 2619 */ { MAD_F(0x04682485) /* 0.275425452 */, 17 }, + /* 2620 */ { MAD_F(0x0468b78f) /* 0.275565681 */, 17 }, + /* 2621 */ { MAD_F(0x04694a9e) /* 0.275705926 */, 17 }, + /* 2622 */ { MAD_F(0x0469ddb2) /* 0.275846190 */, 17 }, + /* 2623 */ { MAD_F(0x046a70ca) /* 0.275986472 */, 17 }, + + /* 2624 */ { MAD_F(0x046b03e7) /* 0.276126771 */, 17 }, + /* 2625 */ { MAD_F(0x046b970a) /* 0.276267088 */, 17 }, + /* 2626 */ { MAD_F(0x046c2a31) /* 0.276407423 */, 17 }, + /* 2627 */ { MAD_F(0x046cbd5c) /* 0.276547776 */, 17 }, + /* 2628 */ { MAD_F(0x046d508d) /* 0.276688147 */, 17 }, + /* 2629 */ { MAD_F(0x046de3c2) /* 0.276828535 */, 17 }, + /* 2630 */ { MAD_F(0x046e76fc) /* 0.276968942 */, 17 }, + /* 2631 */ { MAD_F(0x046f0a3b) /* 0.277109366 */, 17 }, + /* 2632 */ { MAD_F(0x046f9d7e) /* 0.277249808 */, 17 }, + /* 2633 */ { MAD_F(0x047030c7) /* 0.277390267 */, 17 }, + /* 2634 */ { MAD_F(0x0470c414) /* 0.277530745 */, 17 }, + /* 2635 */ { MAD_F(0x04715766) /* 0.277671240 */, 17 }, + /* 2636 */ { MAD_F(0x0471eabc) /* 0.277811753 */, 17 }, + /* 2637 */ { MAD_F(0x04727e18) /* 0.277952284 */, 17 }, + /* 2638 */ { MAD_F(0x04731178) /* 0.278092832 */, 17 }, + /* 2639 */ { MAD_F(0x0473a4dd) /* 0.278233399 */, 17 }, + + /* 2640 */ { MAD_F(0x04743847) /* 0.278373983 */, 17 }, + /* 2641 */ { MAD_F(0x0474cbb5) /* 0.278514584 */, 17 }, + /* 2642 */ { MAD_F(0x04755f29) /* 0.278655204 */, 17 }, + /* 2643 */ { MAD_F(0x0475f2a1) /* 0.278795841 */, 17 }, + /* 2644 */ { MAD_F(0x0476861d) /* 0.278936496 */, 17 }, + /* 2645 */ { MAD_F(0x0477199f) /* 0.279077169 */, 17 }, + /* 2646 */ { MAD_F(0x0477ad25) /* 0.279217860 */, 17 }, + /* 2647 */ { MAD_F(0x047840b0) /* 0.279358568 */, 17 }, + /* 2648 */ { MAD_F(0x0478d440) /* 0.279499294 */, 17 }, + /* 2649 */ { MAD_F(0x047967d5) /* 0.279640037 */, 17 }, + /* 2650 */ { MAD_F(0x0479fb6e) /* 0.279780799 */, 17 }, + /* 2651 */ { MAD_F(0x047a8f0c) /* 0.279921578 */, 17 }, + /* 2652 */ { MAD_F(0x047b22af) /* 0.280062375 */, 17 }, + /* 2653 */ { MAD_F(0x047bb657) /* 0.280203189 */, 17 }, + /* 2654 */ { MAD_F(0x047c4a03) /* 0.280344021 */, 17 }, + /* 2655 */ { MAD_F(0x047cddb4) /* 0.280484871 */, 17 }, + + /* 2656 */ { MAD_F(0x047d716a) /* 0.280625739 */, 17 }, + /* 2657 */ { MAD_F(0x047e0524) /* 0.280766624 */, 17 }, + /* 2658 */ { MAD_F(0x047e98e4) /* 0.280907527 */, 17 }, + /* 2659 */ { MAD_F(0x047f2ca8) /* 0.281048447 */, 17 }, + /* 2660 */ { MAD_F(0x047fc071) /* 0.281189385 */, 17 }, + /* 2661 */ { MAD_F(0x0480543e) /* 0.281330341 */, 17 }, + /* 2662 */ { MAD_F(0x0480e811) /* 0.281471315 */, 17 }, + /* 2663 */ { MAD_F(0x04817be8) /* 0.281612306 */, 17 }, + /* 2664 */ { MAD_F(0x04820fc3) /* 0.281753315 */, 17 }, + /* 2665 */ { MAD_F(0x0482a3a4) /* 0.281894341 */, 17 }, + /* 2666 */ { MAD_F(0x04833789) /* 0.282035386 */, 17 }, + /* 2667 */ { MAD_F(0x0483cb73) /* 0.282176447 */, 17 }, + /* 2668 */ { MAD_F(0x04845f62) /* 0.282317527 */, 17 }, + /* 2669 */ { MAD_F(0x0484f355) /* 0.282458624 */, 17 }, + /* 2670 */ { MAD_F(0x0485874d) /* 0.282599738 */, 17 }, + /* 2671 */ { MAD_F(0x04861b4a) /* 0.282740871 */, 17 }, + + /* 2672 */ { MAD_F(0x0486af4c) /* 0.282882021 */, 17 }, + /* 2673 */ { MAD_F(0x04874352) /* 0.283023188 */, 17 }, + /* 2674 */ { MAD_F(0x0487d75d) /* 0.283164373 */, 17 }, + /* 2675 */ { MAD_F(0x04886b6d) /* 0.283305576 */, 17 }, + /* 2676 */ { MAD_F(0x0488ff82) /* 0.283446796 */, 17 }, + /* 2677 */ { MAD_F(0x0489939b) /* 0.283588034 */, 17 }, + /* 2678 */ { MAD_F(0x048a27b9) /* 0.283729290 */, 17 }, + /* 2679 */ { MAD_F(0x048abbdc) /* 0.283870563 */, 17 }, + /* 2680 */ { MAD_F(0x048b5003) /* 0.284011853 */, 17 }, + /* 2681 */ { MAD_F(0x048be42f) /* 0.284153161 */, 17 }, + /* 2682 */ { MAD_F(0x048c7860) /* 0.284294487 */, 17 }, + /* 2683 */ { MAD_F(0x048d0c96) /* 0.284435831 */, 17 }, + /* 2684 */ { MAD_F(0x048da0d0) /* 0.284577192 */, 17 }, + /* 2685 */ { MAD_F(0x048e350f) /* 0.284718570 */, 17 }, + /* 2686 */ { MAD_F(0x048ec953) /* 0.284859966 */, 17 }, + /* 2687 */ { MAD_F(0x048f5d9b) /* 0.285001380 */, 17 }, + + /* 2688 */ { MAD_F(0x048ff1e8) /* 0.285142811 */, 17 }, + /* 2689 */ { MAD_F(0x0490863a) /* 0.285284259 */, 17 }, + /* 2690 */ { MAD_F(0x04911a91) /* 0.285425726 */, 17 }, + /* 2691 */ { MAD_F(0x0491aeec) /* 0.285567209 */, 17 }, + /* 2692 */ { MAD_F(0x0492434c) /* 0.285708711 */, 17 }, + /* 2693 */ { MAD_F(0x0492d7b0) /* 0.285850229 */, 17 }, + /* 2694 */ { MAD_F(0x04936c1a) /* 0.285991766 */, 17 }, + /* 2695 */ { MAD_F(0x04940088) /* 0.286133319 */, 17 }, + /* 2696 */ { MAD_F(0x049494fb) /* 0.286274891 */, 17 }, + /* 2697 */ { MAD_F(0x04952972) /* 0.286416480 */, 17 }, + /* 2698 */ { MAD_F(0x0495bdee) /* 0.286558086 */, 17 }, + /* 2699 */ { MAD_F(0x0496526f) /* 0.286699710 */, 17 }, + /* 2700 */ { MAD_F(0x0496e6f5) /* 0.286841351 */, 17 }, + /* 2701 */ { MAD_F(0x04977b7f) /* 0.286983010 */, 17 }, + /* 2702 */ { MAD_F(0x0498100e) /* 0.287124686 */, 17 }, + /* 2703 */ { MAD_F(0x0498a4a1) /* 0.287266380 */, 17 }, + + /* 2704 */ { MAD_F(0x0499393a) /* 0.287408091 */, 17 }, + /* 2705 */ { MAD_F(0x0499cdd7) /* 0.287549820 */, 17 }, + /* 2706 */ { MAD_F(0x049a6278) /* 0.287691566 */, 17 }, + /* 2707 */ { MAD_F(0x049af71f) /* 0.287833330 */, 17 }, + /* 2708 */ { MAD_F(0x049b8bca) /* 0.287975111 */, 17 }, + /* 2709 */ { MAD_F(0x049c207a) /* 0.288116909 */, 17 }, + /* 2710 */ { MAD_F(0x049cb52e) /* 0.288258725 */, 17 }, + /* 2711 */ { MAD_F(0x049d49e7) /* 0.288400559 */, 17 }, + /* 2712 */ { MAD_F(0x049ddea5) /* 0.288542409 */, 17 }, + /* 2713 */ { MAD_F(0x049e7367) /* 0.288684278 */, 17 }, + /* 2714 */ { MAD_F(0x049f082f) /* 0.288826163 */, 17 }, + /* 2715 */ { MAD_F(0x049f9cfa) /* 0.288968067 */, 17 }, + /* 2716 */ { MAD_F(0x04a031cb) /* 0.289109987 */, 17 }, + /* 2717 */ { MAD_F(0x04a0c6a0) /* 0.289251925 */, 17 }, + /* 2718 */ { MAD_F(0x04a15b7a) /* 0.289393881 */, 17 }, + /* 2719 */ { MAD_F(0x04a1f059) /* 0.289535854 */, 17 }, + + /* 2720 */ { MAD_F(0x04a2853c) /* 0.289677844 */, 17 }, + /* 2721 */ { MAD_F(0x04a31a24) /* 0.289819851 */, 17 }, + /* 2722 */ { MAD_F(0x04a3af10) /* 0.289961876 */, 17 }, + /* 2723 */ { MAD_F(0x04a44401) /* 0.290103919 */, 17 }, + /* 2724 */ { MAD_F(0x04a4d8f7) /* 0.290245979 */, 17 }, + /* 2725 */ { MAD_F(0x04a56df2) /* 0.290388056 */, 17 }, + /* 2726 */ { MAD_F(0x04a602f1) /* 0.290530150 */, 17 }, + /* 2727 */ { MAD_F(0x04a697f5) /* 0.290672262 */, 17 }, + /* 2728 */ { MAD_F(0x04a72cfe) /* 0.290814392 */, 17 }, + /* 2729 */ { MAD_F(0x04a7c20b) /* 0.290956538 */, 17 }, + /* 2730 */ { MAD_F(0x04a8571d) /* 0.291098703 */, 17 }, + /* 2731 */ { MAD_F(0x04a8ec33) /* 0.291240884 */, 17 }, + /* 2732 */ { MAD_F(0x04a9814e) /* 0.291383083 */, 17 }, + /* 2733 */ { MAD_F(0x04aa166e) /* 0.291525299 */, 17 }, + /* 2734 */ { MAD_F(0x04aaab93) /* 0.291667532 */, 17 }, + /* 2735 */ { MAD_F(0x04ab40bc) /* 0.291809783 */, 17 }, + + /* 2736 */ { MAD_F(0x04abd5ea) /* 0.291952051 */, 17 }, + /* 2737 */ { MAD_F(0x04ac6b1c) /* 0.292094337 */, 17 }, + /* 2738 */ { MAD_F(0x04ad0053) /* 0.292236640 */, 17 }, + /* 2739 */ { MAD_F(0x04ad958f) /* 0.292378960 */, 17 }, + /* 2740 */ { MAD_F(0x04ae2ad0) /* 0.292521297 */, 17 }, + /* 2741 */ { MAD_F(0x04aec015) /* 0.292663652 */, 17 }, + /* 2742 */ { MAD_F(0x04af555e) /* 0.292806024 */, 17 }, + /* 2743 */ { MAD_F(0x04afeaad) /* 0.292948414 */, 17 }, + /* 2744 */ { MAD_F(0x04b08000) /* 0.293090820 */, 17 }, + /* 2745 */ { MAD_F(0x04b11557) /* 0.293233244 */, 17 }, + /* 2746 */ { MAD_F(0x04b1aab4) /* 0.293375686 */, 17 }, + /* 2747 */ { MAD_F(0x04b24015) /* 0.293518144 */, 17 }, + /* 2748 */ { MAD_F(0x04b2d57a) /* 0.293660620 */, 17 }, + /* 2749 */ { MAD_F(0x04b36ae4) /* 0.293803113 */, 17 }, + /* 2750 */ { MAD_F(0x04b40053) /* 0.293945624 */, 17 }, + /* 2751 */ { MAD_F(0x04b495c7) /* 0.294088151 */, 17 }, + + /* 2752 */ { MAD_F(0x04b52b3f) /* 0.294230696 */, 17 }, + /* 2753 */ { MAD_F(0x04b5c0bc) /* 0.294373259 */, 17 }, + /* 2754 */ { MAD_F(0x04b6563d) /* 0.294515838 */, 17 }, + /* 2755 */ { MAD_F(0x04b6ebc3) /* 0.294658435 */, 17 }, + /* 2756 */ { MAD_F(0x04b7814e) /* 0.294801049 */, 17 }, + /* 2757 */ { MAD_F(0x04b816dd) /* 0.294943680 */, 17 }, + /* 2758 */ { MAD_F(0x04b8ac71) /* 0.295086329 */, 17 }, + /* 2759 */ { MAD_F(0x04b9420a) /* 0.295228995 */, 17 }, + /* 2760 */ { MAD_F(0x04b9d7a7) /* 0.295371678 */, 17 }, + /* 2761 */ { MAD_F(0x04ba6d49) /* 0.295514378 */, 17 }, + /* 2762 */ { MAD_F(0x04bb02ef) /* 0.295657095 */, 17 }, + /* 2763 */ { MAD_F(0x04bb989a) /* 0.295799830 */, 17 }, + /* 2764 */ { MAD_F(0x04bc2e4a) /* 0.295942582 */, 17 }, + /* 2765 */ { MAD_F(0x04bcc3fe) /* 0.296085351 */, 17 }, + /* 2766 */ { MAD_F(0x04bd59b7) /* 0.296228138 */, 17 }, + /* 2767 */ { MAD_F(0x04bdef74) /* 0.296370941 */, 17 }, + + /* 2768 */ { MAD_F(0x04be8537) /* 0.296513762 */, 17 }, + /* 2769 */ { MAD_F(0x04bf1afd) /* 0.296656600 */, 17 }, + /* 2770 */ { MAD_F(0x04bfb0c9) /* 0.296799455 */, 17 }, + /* 2771 */ { MAD_F(0x04c04699) /* 0.296942327 */, 17 }, + /* 2772 */ { MAD_F(0x04c0dc6d) /* 0.297085217 */, 17 }, + /* 2773 */ { MAD_F(0x04c17247) /* 0.297228124 */, 17 }, + /* 2774 */ { MAD_F(0x04c20824) /* 0.297371048 */, 17 }, + /* 2775 */ { MAD_F(0x04c29e07) /* 0.297513989 */, 17 }, + /* 2776 */ { MAD_F(0x04c333ee) /* 0.297656947 */, 17 }, + /* 2777 */ { MAD_F(0x04c3c9da) /* 0.297799922 */, 17 }, + /* 2778 */ { MAD_F(0x04c45fca) /* 0.297942915 */, 17 }, + /* 2779 */ { MAD_F(0x04c4f5bf) /* 0.298085925 */, 17 }, + /* 2780 */ { MAD_F(0x04c58bb8) /* 0.298228951 */, 17 }, + /* 2781 */ { MAD_F(0x04c621b6) /* 0.298371996 */, 17 }, + /* 2782 */ { MAD_F(0x04c6b7b9) /* 0.298515057 */, 17 }, + /* 2783 */ { MAD_F(0x04c74dc0) /* 0.298658135 */, 17 }, + + /* 2784 */ { MAD_F(0x04c7e3cc) /* 0.298801231 */, 17 }, + /* 2785 */ { MAD_F(0x04c879dd) /* 0.298944343 */, 17 }, + /* 2786 */ { MAD_F(0x04c90ff2) /* 0.299087473 */, 17 }, + /* 2787 */ { MAD_F(0x04c9a60c) /* 0.299230620 */, 17 }, + /* 2788 */ { MAD_F(0x04ca3c2a) /* 0.299373784 */, 17 }, + /* 2789 */ { MAD_F(0x04cad24d) /* 0.299516965 */, 17 }, + /* 2790 */ { MAD_F(0x04cb6874) /* 0.299660163 */, 17 }, + /* 2791 */ { MAD_F(0x04cbfea0) /* 0.299803378 */, 17 }, + /* 2792 */ { MAD_F(0x04cc94d1) /* 0.299946611 */, 17 }, + /* 2793 */ { MAD_F(0x04cd2b06) /* 0.300089860 */, 17 }, + /* 2794 */ { MAD_F(0x04cdc140) /* 0.300233127 */, 17 }, + /* 2795 */ { MAD_F(0x04ce577f) /* 0.300376411 */, 17 }, + /* 2796 */ { MAD_F(0x04ceedc2) /* 0.300519711 */, 17 }, + /* 2797 */ { MAD_F(0x04cf8409) /* 0.300663029 */, 17 }, + /* 2798 */ { MAD_F(0x04d01a55) /* 0.300806364 */, 17 }, + /* 2799 */ { MAD_F(0x04d0b0a6) /* 0.300949716 */, 17 }, + + /* 2800 */ { MAD_F(0x04d146fb) /* 0.301093085 */, 17 }, + /* 2801 */ { MAD_F(0x04d1dd55) /* 0.301236472 */, 17 }, + /* 2802 */ { MAD_F(0x04d273b4) /* 0.301379875 */, 17 }, + /* 2803 */ { MAD_F(0x04d30a17) /* 0.301523295 */, 17 }, + /* 2804 */ { MAD_F(0x04d3a07f) /* 0.301666733 */, 17 }, + /* 2805 */ { MAD_F(0x04d436eb) /* 0.301810187 */, 17 }, + /* 2806 */ { MAD_F(0x04d4cd5c) /* 0.301953659 */, 17 }, + /* 2807 */ { MAD_F(0x04d563d1) /* 0.302097147 */, 17 }, + /* 2808 */ { MAD_F(0x04d5fa4b) /* 0.302240653 */, 17 }, + /* 2809 */ { MAD_F(0x04d690ca) /* 0.302384175 */, 17 }, + /* 2810 */ { MAD_F(0x04d7274d) /* 0.302527715 */, 17 }, + /* 2811 */ { MAD_F(0x04d7bdd5) /* 0.302671271 */, 17 }, + /* 2812 */ { MAD_F(0x04d85461) /* 0.302814845 */, 17 }, + /* 2813 */ { MAD_F(0x04d8eaf2) /* 0.302958436 */, 17 }, + /* 2814 */ { MAD_F(0x04d98187) /* 0.303102044 */, 17 }, + /* 2815 */ { MAD_F(0x04da1821) /* 0.303245668 */, 17 }, + + /* 2816 */ { MAD_F(0x04daaec0) /* 0.303389310 */, 17 }, + /* 2817 */ { MAD_F(0x04db4563) /* 0.303532969 */, 17 }, + /* 2818 */ { MAD_F(0x04dbdc0a) /* 0.303676645 */, 17 }, + /* 2819 */ { MAD_F(0x04dc72b7) /* 0.303820337 */, 17 }, + /* 2820 */ { MAD_F(0x04dd0967) /* 0.303964047 */, 17 }, + /* 2821 */ { MAD_F(0x04dda01d) /* 0.304107774 */, 17 }, + /* 2822 */ { MAD_F(0x04de36d7) /* 0.304251517 */, 17 }, + /* 2823 */ { MAD_F(0x04decd95) /* 0.304395278 */, 17 }, + /* 2824 */ { MAD_F(0x04df6458) /* 0.304539056 */, 17 }, + /* 2825 */ { MAD_F(0x04dffb20) /* 0.304682850 */, 17 }, + /* 2826 */ { MAD_F(0x04e091ec) /* 0.304826662 */, 17 }, + /* 2827 */ { MAD_F(0x04e128bc) /* 0.304970491 */, 17 }, + /* 2828 */ { MAD_F(0x04e1bf92) /* 0.305114336 */, 17 }, + /* 2829 */ { MAD_F(0x04e2566b) /* 0.305258199 */, 17 }, + /* 2830 */ { MAD_F(0x04e2ed4a) /* 0.305402078 */, 17 }, + /* 2831 */ { MAD_F(0x04e3842d) /* 0.305545974 */, 17 }, + + /* 2832 */ { MAD_F(0x04e41b14) /* 0.305689888 */, 17 }, + /* 2833 */ { MAD_F(0x04e4b200) /* 0.305833818 */, 17 }, + /* 2834 */ { MAD_F(0x04e548f1) /* 0.305977765 */, 17 }, + /* 2835 */ { MAD_F(0x04e5dfe6) /* 0.306121729 */, 17 }, + /* 2836 */ { MAD_F(0x04e676df) /* 0.306265710 */, 17 }, + /* 2837 */ { MAD_F(0x04e70dde) /* 0.306409708 */, 17 }, + /* 2838 */ { MAD_F(0x04e7a4e0) /* 0.306553723 */, 17 }, + /* 2839 */ { MAD_F(0x04e83be7) /* 0.306697755 */, 17 }, + /* 2840 */ { MAD_F(0x04e8d2f3) /* 0.306841804 */, 17 }, + /* 2841 */ { MAD_F(0x04e96a04) /* 0.306985869 */, 17 }, + /* 2842 */ { MAD_F(0x04ea0118) /* 0.307129952 */, 17 }, + /* 2843 */ { MAD_F(0x04ea9832) /* 0.307274051 */, 17 }, + /* 2844 */ { MAD_F(0x04eb2f50) /* 0.307418168 */, 17 }, + /* 2845 */ { MAD_F(0x04ebc672) /* 0.307562301 */, 17 }, + /* 2846 */ { MAD_F(0x04ec5d99) /* 0.307706451 */, 17 }, + /* 2847 */ { MAD_F(0x04ecf4c5) /* 0.307850618 */, 17 }, + + /* 2848 */ { MAD_F(0x04ed8bf5) /* 0.307994802 */, 17 }, + /* 2849 */ { MAD_F(0x04ee2329) /* 0.308139003 */, 17 }, + /* 2850 */ { MAD_F(0x04eeba63) /* 0.308283220 */, 17 }, + /* 2851 */ { MAD_F(0x04ef51a0) /* 0.308427455 */, 17 }, + /* 2852 */ { MAD_F(0x04efe8e2) /* 0.308571706 */, 17 }, + /* 2853 */ { MAD_F(0x04f08029) /* 0.308715974 */, 17 }, + /* 2854 */ { MAD_F(0x04f11774) /* 0.308860260 */, 17 }, + /* 2855 */ { MAD_F(0x04f1aec4) /* 0.309004561 */, 17 }, + /* 2856 */ { MAD_F(0x04f24618) /* 0.309148880 */, 17 }, + /* 2857 */ { MAD_F(0x04f2dd71) /* 0.309293216 */, 17 }, + /* 2858 */ { MAD_F(0x04f374cf) /* 0.309437568 */, 17 }, + /* 2859 */ { MAD_F(0x04f40c30) /* 0.309581938 */, 17 }, + /* 2860 */ { MAD_F(0x04f4a397) /* 0.309726324 */, 17 }, + /* 2861 */ { MAD_F(0x04f53b02) /* 0.309870727 */, 17 }, + /* 2862 */ { MAD_F(0x04f5d271) /* 0.310015147 */, 17 }, + /* 2863 */ { MAD_F(0x04f669e5) /* 0.310159583 */, 17 }, + + /* 2864 */ { MAD_F(0x04f7015d) /* 0.310304037 */, 17 }, + /* 2865 */ { MAD_F(0x04f798da) /* 0.310448507 */, 17 }, + /* 2866 */ { MAD_F(0x04f8305c) /* 0.310592994 */, 17 }, + /* 2867 */ { MAD_F(0x04f8c7e2) /* 0.310737498 */, 17 }, + /* 2868 */ { MAD_F(0x04f95f6c) /* 0.310882018 */, 17 }, + /* 2869 */ { MAD_F(0x04f9f6fb) /* 0.311026556 */, 17 }, + /* 2870 */ { MAD_F(0x04fa8e8f) /* 0.311171110 */, 17 }, + /* 2871 */ { MAD_F(0x04fb2627) /* 0.311315681 */, 17 }, + /* 2872 */ { MAD_F(0x04fbbdc3) /* 0.311460269 */, 17 }, + /* 2873 */ { MAD_F(0x04fc5564) /* 0.311604874 */, 17 }, + /* 2874 */ { MAD_F(0x04fced0a) /* 0.311749495 */, 17 }, + /* 2875 */ { MAD_F(0x04fd84b4) /* 0.311894133 */, 17 }, + /* 2876 */ { MAD_F(0x04fe1c62) /* 0.312038788 */, 17 }, + /* 2877 */ { MAD_F(0x04feb415) /* 0.312183460 */, 17 }, + /* 2878 */ { MAD_F(0x04ff4bcd) /* 0.312328148 */, 17 }, + /* 2879 */ { MAD_F(0x04ffe389) /* 0.312472854 */, 17 }, + + /* 2880 */ { MAD_F(0x05007b49) /* 0.312617576 */, 17 }, + /* 2881 */ { MAD_F(0x0501130e) /* 0.312762314 */, 17 }, + /* 2882 */ { MAD_F(0x0501aad8) /* 0.312907070 */, 17 }, + /* 2883 */ { MAD_F(0x050242a6) /* 0.313051842 */, 17 }, + /* 2884 */ { MAD_F(0x0502da78) /* 0.313196631 */, 17 }, + /* 2885 */ { MAD_F(0x0503724f) /* 0.313341437 */, 17 }, + /* 2886 */ { MAD_F(0x05040a2b) /* 0.313486259 */, 17 }, + /* 2887 */ { MAD_F(0x0504a20b) /* 0.313631098 */, 17 }, + /* 2888 */ { MAD_F(0x050539ef) /* 0.313775954 */, 17 }, + /* 2889 */ { MAD_F(0x0505d1d8) /* 0.313920827 */, 17 }, + /* 2890 */ { MAD_F(0x050669c5) /* 0.314065716 */, 17 }, + /* 2891 */ { MAD_F(0x050701b7) /* 0.314210622 */, 17 }, + /* 2892 */ { MAD_F(0x050799ae) /* 0.314355545 */, 17 }, + /* 2893 */ { MAD_F(0x050831a9) /* 0.314500484 */, 17 }, + /* 2894 */ { MAD_F(0x0508c9a8) /* 0.314645440 */, 17 }, + /* 2895 */ { MAD_F(0x050961ac) /* 0.314790413 */, 17 }, + + /* 2896 */ { MAD_F(0x0509f9b4) /* 0.314935403 */, 17 }, + /* 2897 */ { MAD_F(0x050a91c1) /* 0.315080409 */, 17 }, + /* 2898 */ { MAD_F(0x050b29d2) /* 0.315225432 */, 17 }, + /* 2899 */ { MAD_F(0x050bc1e8) /* 0.315370472 */, 17 }, + /* 2900 */ { MAD_F(0x050c5a02) /* 0.315515528 */, 17 }, + /* 2901 */ { MAD_F(0x050cf221) /* 0.315660601 */, 17 }, + /* 2902 */ { MAD_F(0x050d8a44) /* 0.315805690 */, 17 }, + /* 2903 */ { MAD_F(0x050e226c) /* 0.315950797 */, 17 }, + /* 2904 */ { MAD_F(0x050eba98) /* 0.316095920 */, 17 }, + /* 2905 */ { MAD_F(0x050f52c9) /* 0.316241059 */, 17 }, + /* 2906 */ { MAD_F(0x050feafe) /* 0.316386216 */, 17 }, + /* 2907 */ { MAD_F(0x05108337) /* 0.316531388 */, 17 }, + /* 2908 */ { MAD_F(0x05111b75) /* 0.316676578 */, 17 }, + /* 2909 */ { MAD_F(0x0511b3b8) /* 0.316821784 */, 17 }, + /* 2910 */ { MAD_F(0x05124bff) /* 0.316967007 */, 17 }, + /* 2911 */ { MAD_F(0x0512e44a) /* 0.317112247 */, 17 }, + + /* 2912 */ { MAD_F(0x05137c9a) /* 0.317257503 */, 17 }, + /* 2913 */ { MAD_F(0x051414ee) /* 0.317402775 */, 17 }, + /* 2914 */ { MAD_F(0x0514ad47) /* 0.317548065 */, 17 }, + /* 2915 */ { MAD_F(0x051545a5) /* 0.317693371 */, 17 }, + /* 2916 */ { MAD_F(0x0515de06) /* 0.317838693 */, 17 }, + /* 2917 */ { MAD_F(0x0516766d) /* 0.317984033 */, 17 }, + /* 2918 */ { MAD_F(0x05170ed7) /* 0.318129388 */, 17 }, + /* 2919 */ { MAD_F(0x0517a746) /* 0.318274761 */, 17 }, + /* 2920 */ { MAD_F(0x05183fba) /* 0.318420150 */, 17 }, + /* 2921 */ { MAD_F(0x0518d832) /* 0.318565555 */, 17 }, + /* 2922 */ { MAD_F(0x051970ae) /* 0.318710978 */, 17 }, + /* 2923 */ { MAD_F(0x051a092f) /* 0.318856416 */, 17 }, + /* 2924 */ { MAD_F(0x051aa1b5) /* 0.319001872 */, 17 }, + /* 2925 */ { MAD_F(0x051b3a3f) /* 0.319147344 */, 17 }, + /* 2926 */ { MAD_F(0x051bd2cd) /* 0.319292832 */, 17 }, + /* 2927 */ { MAD_F(0x051c6b60) /* 0.319438338 */, 17 }, + + /* 2928 */ { MAD_F(0x051d03f7) /* 0.319583859 */, 17 }, + /* 2929 */ { MAD_F(0x051d9c92) /* 0.319729398 */, 17 }, + /* 2930 */ { MAD_F(0x051e3532) /* 0.319874952 */, 17 }, + /* 2931 */ { MAD_F(0x051ecdd7) /* 0.320020524 */, 17 }, + /* 2932 */ { MAD_F(0x051f6680) /* 0.320166112 */, 17 }, + /* 2933 */ { MAD_F(0x051fff2d) /* 0.320311716 */, 17 }, + /* 2934 */ { MAD_F(0x052097df) /* 0.320457337 */, 17 }, + /* 2935 */ { MAD_F(0x05213095) /* 0.320602975 */, 17 }, + /* 2936 */ { MAD_F(0x0521c950) /* 0.320748629 */, 17 }, + /* 2937 */ { MAD_F(0x0522620f) /* 0.320894300 */, 17 }, + /* 2938 */ { MAD_F(0x0522fad3) /* 0.321039987 */, 17 }, + /* 2939 */ { MAD_F(0x0523939b) /* 0.321185691 */, 17 }, + /* 2940 */ { MAD_F(0x05242c68) /* 0.321331411 */, 17 }, + /* 2941 */ { MAD_F(0x0524c538) /* 0.321477148 */, 17 }, + /* 2942 */ { MAD_F(0x05255e0e) /* 0.321622901 */, 17 }, + /* 2943 */ { MAD_F(0x0525f6e8) /* 0.321768671 */, 17 }, + + /* 2944 */ { MAD_F(0x05268fc6) /* 0.321914457 */, 17 }, + /* 2945 */ { MAD_F(0x052728a9) /* 0.322060260 */, 17 }, + /* 2946 */ { MAD_F(0x0527c190) /* 0.322206079 */, 17 }, + /* 2947 */ { MAD_F(0x05285a7b) /* 0.322351915 */, 17 }, + /* 2948 */ { MAD_F(0x0528f36b) /* 0.322497768 */, 17 }, + /* 2949 */ { MAD_F(0x05298c5f) /* 0.322643636 */, 17 }, + /* 2950 */ { MAD_F(0x052a2558) /* 0.322789522 */, 17 }, + /* 2951 */ { MAD_F(0x052abe55) /* 0.322935424 */, 17 }, + /* 2952 */ { MAD_F(0x052b5757) /* 0.323081342 */, 17 }, + /* 2953 */ { MAD_F(0x052bf05d) /* 0.323227277 */, 17 }, + /* 2954 */ { MAD_F(0x052c8968) /* 0.323373228 */, 17 }, + /* 2955 */ { MAD_F(0x052d2277) /* 0.323519196 */, 17 }, + /* 2956 */ { MAD_F(0x052dbb8a) /* 0.323665180 */, 17 }, + /* 2957 */ { MAD_F(0x052e54a2) /* 0.323811180 */, 17 }, + /* 2958 */ { MAD_F(0x052eedbe) /* 0.323957197 */, 17 }, + /* 2959 */ { MAD_F(0x052f86de) /* 0.324103231 */, 17 }, + + /* 2960 */ { MAD_F(0x05302003) /* 0.324249281 */, 17 }, + /* 2961 */ { MAD_F(0x0530b92d) /* 0.324395347 */, 17 }, + /* 2962 */ { MAD_F(0x0531525b) /* 0.324541430 */, 17 }, + /* 2963 */ { MAD_F(0x0531eb8d) /* 0.324687530 */, 17 }, + /* 2964 */ { MAD_F(0x053284c4) /* 0.324833646 */, 17 }, + /* 2965 */ { MAD_F(0x05331dff) /* 0.324979778 */, 17 }, + /* 2966 */ { MAD_F(0x0533b73e) /* 0.325125926 */, 17 }, + /* 2967 */ { MAD_F(0x05345082) /* 0.325272091 */, 17 }, + /* 2968 */ { MAD_F(0x0534e9ca) /* 0.325418273 */, 17 }, + /* 2969 */ { MAD_F(0x05358317) /* 0.325564471 */, 17 }, + /* 2970 */ { MAD_F(0x05361c68) /* 0.325710685 */, 17 }, + /* 2971 */ { MAD_F(0x0536b5be) /* 0.325856916 */, 17 }, + /* 2972 */ { MAD_F(0x05374f17) /* 0.326003163 */, 17 }, + /* 2973 */ { MAD_F(0x0537e876) /* 0.326149427 */, 17 }, + /* 2974 */ { MAD_F(0x053881d9) /* 0.326295707 */, 17 }, + /* 2975 */ { MAD_F(0x05391b40) /* 0.326442003 */, 17 }, + + /* 2976 */ { MAD_F(0x0539b4ab) /* 0.326588316 */, 17 }, + /* 2977 */ { MAD_F(0x053a4e1b) /* 0.326734645 */, 17 }, + /* 2978 */ { MAD_F(0x053ae78f) /* 0.326880990 */, 17 }, + /* 2979 */ { MAD_F(0x053b8108) /* 0.327027352 */, 17 }, + /* 2980 */ { MAD_F(0x053c1a85) /* 0.327173730 */, 17 }, + /* 2981 */ { MAD_F(0x053cb407) /* 0.327320125 */, 17 }, + /* 2982 */ { MAD_F(0x053d4d8d) /* 0.327466536 */, 17 }, + /* 2983 */ { MAD_F(0x053de717) /* 0.327612963 */, 17 }, + /* 2984 */ { MAD_F(0x053e80a6) /* 0.327759407 */, 17 }, + /* 2985 */ { MAD_F(0x053f1a39) /* 0.327905867 */, 17 }, + /* 2986 */ { MAD_F(0x053fb3d0) /* 0.328052344 */, 17 }, + /* 2987 */ { MAD_F(0x05404d6c) /* 0.328198837 */, 17 }, + /* 2988 */ { MAD_F(0x0540e70c) /* 0.328345346 */, 17 }, + /* 2989 */ { MAD_F(0x054180b1) /* 0.328491871 */, 17 }, + /* 2990 */ { MAD_F(0x05421a5a) /* 0.328638413 */, 17 }, + /* 2991 */ { MAD_F(0x0542b407) /* 0.328784971 */, 17 }, + + /* 2992 */ { MAD_F(0x05434db9) /* 0.328931546 */, 17 }, + /* 2993 */ { MAD_F(0x0543e76f) /* 0.329078137 */, 17 }, + /* 2994 */ { MAD_F(0x0544812a) /* 0.329224744 */, 17 }, + /* 2995 */ { MAD_F(0x05451ae9) /* 0.329371367 */, 17 }, + /* 2996 */ { MAD_F(0x0545b4ac) /* 0.329518007 */, 17 }, + /* 2997 */ { MAD_F(0x05464e74) /* 0.329664663 */, 17 }, + /* 2998 */ { MAD_F(0x0546e840) /* 0.329811336 */, 17 }, + /* 2999 */ { MAD_F(0x05478211) /* 0.329958024 */, 17 }, + /* 3000 */ { MAD_F(0x05481be5) /* 0.330104730 */, 17 }, + /* 3001 */ { MAD_F(0x0548b5bf) /* 0.330251451 */, 17 }, + /* 3002 */ { MAD_F(0x05494f9c) /* 0.330398189 */, 17 }, + /* 3003 */ { MAD_F(0x0549e97e) /* 0.330544943 */, 17 }, + /* 3004 */ { MAD_F(0x054a8364) /* 0.330691713 */, 17 }, + /* 3005 */ { MAD_F(0x054b1d4f) /* 0.330838499 */, 17 }, + /* 3006 */ { MAD_F(0x054bb73e) /* 0.330985302 */, 17 }, + /* 3007 */ { MAD_F(0x054c5132) /* 0.331132121 */, 17 }, + + /* 3008 */ { MAD_F(0x054ceb2a) /* 0.331278957 */, 17 }, + /* 3009 */ { MAD_F(0x054d8526) /* 0.331425808 */, 17 }, + /* 3010 */ { MAD_F(0x054e1f26) /* 0.331572676 */, 17 }, + /* 3011 */ { MAD_F(0x054eb92b) /* 0.331719560 */, 17 }, + /* 3012 */ { MAD_F(0x054f5334) /* 0.331866461 */, 17 }, + /* 3013 */ { MAD_F(0x054fed42) /* 0.332013377 */, 17 }, + /* 3014 */ { MAD_F(0x05508754) /* 0.332160310 */, 17 }, + /* 3015 */ { MAD_F(0x0551216b) /* 0.332307260 */, 17 }, + /* 3016 */ { MAD_F(0x0551bb85) /* 0.332454225 */, 17 }, + /* 3017 */ { MAD_F(0x055255a4) /* 0.332601207 */, 17 }, + /* 3018 */ { MAD_F(0x0552efc8) /* 0.332748205 */, 17 }, + /* 3019 */ { MAD_F(0x055389f0) /* 0.332895219 */, 17 }, + /* 3020 */ { MAD_F(0x0554241c) /* 0.333042249 */, 17 }, + /* 3021 */ { MAD_F(0x0554be4c) /* 0.333189296 */, 17 }, + /* 3022 */ { MAD_F(0x05555881) /* 0.333336359 */, 17 }, + /* 3023 */ { MAD_F(0x0555f2ba) /* 0.333483438 */, 17 }, + + /* 3024 */ { MAD_F(0x05568cf8) /* 0.333630533 */, 17 }, + /* 3025 */ { MAD_F(0x0557273a) /* 0.333777645 */, 17 }, + /* 3026 */ { MAD_F(0x0557c180) /* 0.333924772 */, 17 }, + /* 3027 */ { MAD_F(0x05585bcb) /* 0.334071916 */, 17 }, + /* 3028 */ { MAD_F(0x0558f61a) /* 0.334219076 */, 17 }, + /* 3029 */ { MAD_F(0x0559906d) /* 0.334366253 */, 17 }, + /* 3030 */ { MAD_F(0x055a2ac5) /* 0.334513445 */, 17 }, + /* 3031 */ { MAD_F(0x055ac521) /* 0.334660654 */, 17 }, + /* 3032 */ { MAD_F(0x055b5f81) /* 0.334807879 */, 17 }, + /* 3033 */ { MAD_F(0x055bf9e6) /* 0.334955120 */, 17 }, + /* 3034 */ { MAD_F(0x055c944f) /* 0.335102377 */, 17 }, + /* 3035 */ { MAD_F(0x055d2ebd) /* 0.335249651 */, 17 }, + /* 3036 */ { MAD_F(0x055dc92e) /* 0.335396941 */, 17 }, + /* 3037 */ { MAD_F(0x055e63a5) /* 0.335544246 */, 17 }, + /* 3038 */ { MAD_F(0x055efe1f) /* 0.335691568 */, 17 }, + /* 3039 */ { MAD_F(0x055f989e) /* 0.335838906 */, 17 }, + + /* 3040 */ { MAD_F(0x05603321) /* 0.335986261 */, 17 }, + /* 3041 */ { MAD_F(0x0560cda8) /* 0.336133631 */, 17 }, + /* 3042 */ { MAD_F(0x05616834) /* 0.336281018 */, 17 }, + /* 3043 */ { MAD_F(0x056202c4) /* 0.336428421 */, 17 }, + /* 3044 */ { MAD_F(0x05629d59) /* 0.336575840 */, 17 }, + /* 3045 */ { MAD_F(0x056337f2) /* 0.336723275 */, 17 }, + /* 3046 */ { MAD_F(0x0563d28f) /* 0.336870726 */, 17 }, + /* 3047 */ { MAD_F(0x05646d30) /* 0.337018193 */, 17 }, + /* 3048 */ { MAD_F(0x056507d6) /* 0.337165677 */, 17 }, + /* 3049 */ { MAD_F(0x0565a280) /* 0.337313176 */, 17 }, + /* 3050 */ { MAD_F(0x05663d2f) /* 0.337460692 */, 17 }, + /* 3051 */ { MAD_F(0x0566d7e1) /* 0.337608224 */, 17 }, + /* 3052 */ { MAD_F(0x05677298) /* 0.337755772 */, 17 }, + /* 3053 */ { MAD_F(0x05680d54) /* 0.337903336 */, 17 }, + /* 3054 */ { MAD_F(0x0568a814) /* 0.338050916 */, 17 }, + /* 3055 */ { MAD_F(0x056942d8) /* 0.338198513 */, 17 }, + + /* 3056 */ { MAD_F(0x0569dda0) /* 0.338346125 */, 17 }, + /* 3057 */ { MAD_F(0x056a786d) /* 0.338493753 */, 17 }, + /* 3058 */ { MAD_F(0x056b133e) /* 0.338641398 */, 17 }, + /* 3059 */ { MAD_F(0x056bae13) /* 0.338789059 */, 17 }, + /* 3060 */ { MAD_F(0x056c48ed) /* 0.338936736 */, 17 }, + /* 3061 */ { MAD_F(0x056ce3cb) /* 0.339084429 */, 17 }, + /* 3062 */ { MAD_F(0x056d7ead) /* 0.339232138 */, 17 }, + /* 3063 */ { MAD_F(0x056e1994) /* 0.339379863 */, 17 }, + /* 3064 */ { MAD_F(0x056eb47f) /* 0.339527604 */, 17 }, + /* 3065 */ { MAD_F(0x056f4f6e) /* 0.339675361 */, 17 }, + /* 3066 */ { MAD_F(0x056fea62) /* 0.339823134 */, 17 }, + /* 3067 */ { MAD_F(0x0570855a) /* 0.339970924 */, 17 }, + /* 3068 */ { MAD_F(0x05712056) /* 0.340118729 */, 17 }, + /* 3069 */ { MAD_F(0x0571bb56) /* 0.340266550 */, 17 }, + /* 3070 */ { MAD_F(0x0572565b) /* 0.340414388 */, 17 }, + /* 3071 */ { MAD_F(0x0572f164) /* 0.340562242 */, 17 }, + + /* 3072 */ { MAD_F(0x05738c72) /* 0.340710111 */, 17 }, + /* 3073 */ { MAD_F(0x05742784) /* 0.340857997 */, 17 }, + /* 3074 */ { MAD_F(0x0574c29a) /* 0.341005899 */, 17 }, + /* 3075 */ { MAD_F(0x05755db4) /* 0.341153816 */, 17 }, + /* 3076 */ { MAD_F(0x0575f8d3) /* 0.341301750 */, 17 }, + /* 3077 */ { MAD_F(0x057693f6) /* 0.341449700 */, 17 }, + /* 3078 */ { MAD_F(0x05772f1d) /* 0.341597666 */, 17 }, + /* 3079 */ { MAD_F(0x0577ca49) /* 0.341745648 */, 17 }, + /* 3080 */ { MAD_F(0x05786578) /* 0.341893646 */, 17 }, + /* 3081 */ { MAD_F(0x057900ad) /* 0.342041659 */, 17 }, + /* 3082 */ { MAD_F(0x05799be5) /* 0.342189689 */, 17 }, + /* 3083 */ { MAD_F(0x057a3722) /* 0.342337735 */, 17 }, + /* 3084 */ { MAD_F(0x057ad263) /* 0.342485797 */, 17 }, + /* 3085 */ { MAD_F(0x057b6da8) /* 0.342633875 */, 17 }, + /* 3086 */ { MAD_F(0x057c08f2) /* 0.342781969 */, 17 }, + /* 3087 */ { MAD_F(0x057ca440) /* 0.342930079 */, 17 }, + + /* 3088 */ { MAD_F(0x057d3f92) /* 0.343078205 */, 17 }, + /* 3089 */ { MAD_F(0x057ddae9) /* 0.343226347 */, 17 }, + /* 3090 */ { MAD_F(0x057e7644) /* 0.343374505 */, 17 }, + /* 3091 */ { MAD_F(0x057f11a3) /* 0.343522679 */, 17 }, + /* 3092 */ { MAD_F(0x057fad06) /* 0.343670869 */, 17 }, + /* 3093 */ { MAD_F(0x0580486e) /* 0.343819075 */, 17 }, + /* 3094 */ { MAD_F(0x0580e3da) /* 0.343967296 */, 17 }, + /* 3095 */ { MAD_F(0x05817f4a) /* 0.344115534 */, 17 }, + /* 3096 */ { MAD_F(0x05821abf) /* 0.344263788 */, 17 }, + /* 3097 */ { MAD_F(0x0582b638) /* 0.344412058 */, 17 }, + /* 3098 */ { MAD_F(0x058351b5) /* 0.344560343 */, 17 }, + /* 3099 */ { MAD_F(0x0583ed36) /* 0.344708645 */, 17 }, + /* 3100 */ { MAD_F(0x058488bc) /* 0.344856963 */, 17 }, + /* 3101 */ { MAD_F(0x05852446) /* 0.345005296 */, 17 }, + /* 3102 */ { MAD_F(0x0585bfd4) /* 0.345153646 */, 17 }, + /* 3103 */ { MAD_F(0x05865b67) /* 0.345302011 */, 17 }, + + /* 3104 */ { MAD_F(0x0586f6fd) /* 0.345450393 */, 17 }, + /* 3105 */ { MAD_F(0x05879298) /* 0.345598790 */, 17 }, + /* 3106 */ { MAD_F(0x05882e38) /* 0.345747203 */, 17 }, + /* 3107 */ { MAD_F(0x0588c9dc) /* 0.345895632 */, 17 }, + /* 3108 */ { MAD_F(0x05896583) /* 0.346044077 */, 17 }, + /* 3109 */ { MAD_F(0x058a0130) /* 0.346192538 */, 17 }, + /* 3110 */ { MAD_F(0x058a9ce0) /* 0.346341015 */, 17 }, + /* 3111 */ { MAD_F(0x058b3895) /* 0.346489508 */, 17 }, + /* 3112 */ { MAD_F(0x058bd44e) /* 0.346638017 */, 17 }, + /* 3113 */ { MAD_F(0x058c700b) /* 0.346786542 */, 17 }, + /* 3114 */ { MAD_F(0x058d0bcd) /* 0.346935082 */, 17 }, + /* 3115 */ { MAD_F(0x058da793) /* 0.347083639 */, 17 }, + /* 3116 */ { MAD_F(0x058e435d) /* 0.347232211 */, 17 }, + /* 3117 */ { MAD_F(0x058edf2b) /* 0.347380799 */, 17 }, + /* 3118 */ { MAD_F(0x058f7afe) /* 0.347529403 */, 17 }, + /* 3119 */ { MAD_F(0x059016d5) /* 0.347678023 */, 17 }, + + /* 3120 */ { MAD_F(0x0590b2b0) /* 0.347826659 */, 17 }, + /* 3121 */ { MAD_F(0x05914e8f) /* 0.347975311 */, 17 }, + /* 3122 */ { MAD_F(0x0591ea73) /* 0.348123979 */, 17 }, + /* 3123 */ { MAD_F(0x0592865b) /* 0.348272662 */, 17 }, + /* 3124 */ { MAD_F(0x05932247) /* 0.348421362 */, 17 }, + /* 3125 */ { MAD_F(0x0593be37) /* 0.348570077 */, 17 }, + /* 3126 */ { MAD_F(0x05945a2c) /* 0.348718808 */, 17 }, + /* 3127 */ { MAD_F(0x0594f625) /* 0.348867555 */, 17 }, + /* 3128 */ { MAD_F(0x05959222) /* 0.349016318 */, 17 }, + /* 3129 */ { MAD_F(0x05962e24) /* 0.349165097 */, 17 }, + /* 3130 */ { MAD_F(0x0596ca2a) /* 0.349313892 */, 17 }, + /* 3131 */ { MAD_F(0x05976634) /* 0.349462702 */, 17 }, + /* 3132 */ { MAD_F(0x05980242) /* 0.349611528 */, 17 }, + /* 3133 */ { MAD_F(0x05989e54) /* 0.349760370 */, 17 }, + /* 3134 */ { MAD_F(0x05993a6b) /* 0.349909228 */, 17 }, + /* 3135 */ { MAD_F(0x0599d686) /* 0.350058102 */, 17 }, + + /* 3136 */ { MAD_F(0x059a72a5) /* 0.350206992 */, 17 }, + /* 3137 */ { MAD_F(0x059b0ec9) /* 0.350355897 */, 17 }, + /* 3138 */ { MAD_F(0x059baaf1) /* 0.350504818 */, 17 }, + /* 3139 */ { MAD_F(0x059c471d) /* 0.350653756 */, 17 }, + /* 3140 */ { MAD_F(0x059ce34d) /* 0.350802708 */, 17 }, + /* 3141 */ { MAD_F(0x059d7f81) /* 0.350951677 */, 17 }, + /* 3142 */ { MAD_F(0x059e1bba) /* 0.351100662 */, 17 }, + /* 3143 */ { MAD_F(0x059eb7f7) /* 0.351249662 */, 17 }, + /* 3144 */ { MAD_F(0x059f5438) /* 0.351398678 */, 17 }, + /* 3145 */ { MAD_F(0x059ff07e) /* 0.351547710 */, 17 }, + /* 3146 */ { MAD_F(0x05a08cc7) /* 0.351696758 */, 17 }, + /* 3147 */ { MAD_F(0x05a12915) /* 0.351845821 */, 17 }, + /* 3148 */ { MAD_F(0x05a1c567) /* 0.351994901 */, 17 }, + /* 3149 */ { MAD_F(0x05a261be) /* 0.352143996 */, 17 }, + /* 3150 */ { MAD_F(0x05a2fe18) /* 0.352293107 */, 17 }, + /* 3151 */ { MAD_F(0x05a39a77) /* 0.352442233 */, 17 }, + + /* 3152 */ { MAD_F(0x05a436da) /* 0.352591376 */, 17 }, + /* 3153 */ { MAD_F(0x05a4d342) /* 0.352740534 */, 17 }, + /* 3154 */ { MAD_F(0x05a56fad) /* 0.352889708 */, 17 }, + /* 3155 */ { MAD_F(0x05a60c1d) /* 0.353038898 */, 17 }, + /* 3156 */ { MAD_F(0x05a6a891) /* 0.353188103 */, 17 }, + /* 3157 */ { MAD_F(0x05a7450a) /* 0.353337325 */, 17 }, + /* 3158 */ { MAD_F(0x05a7e186) /* 0.353486562 */, 17 }, + /* 3159 */ { MAD_F(0x05a87e07) /* 0.353635814 */, 17 }, + /* 3160 */ { MAD_F(0x05a91a8c) /* 0.353785083 */, 17 }, + /* 3161 */ { MAD_F(0x05a9b715) /* 0.353934367 */, 17 }, + /* 3162 */ { MAD_F(0x05aa53a2) /* 0.354083667 */, 17 }, + /* 3163 */ { MAD_F(0x05aaf034) /* 0.354232983 */, 17 }, + /* 3164 */ { MAD_F(0x05ab8cca) /* 0.354382314 */, 17 }, + /* 3165 */ { MAD_F(0x05ac2964) /* 0.354531662 */, 17 }, + /* 3166 */ { MAD_F(0x05acc602) /* 0.354681025 */, 17 }, + /* 3167 */ { MAD_F(0x05ad62a5) /* 0.354830403 */, 17 }, + + /* 3168 */ { MAD_F(0x05adff4c) /* 0.354979798 */, 17 }, + /* 3169 */ { MAD_F(0x05ae9bf7) /* 0.355129208 */, 17 }, + /* 3170 */ { MAD_F(0x05af38a6) /* 0.355278634 */, 17 }, + /* 3171 */ { MAD_F(0x05afd559) /* 0.355428075 */, 17 }, + /* 3172 */ { MAD_F(0x05b07211) /* 0.355577533 */, 17 }, + /* 3173 */ { MAD_F(0x05b10ecd) /* 0.355727006 */, 17 }, + /* 3174 */ { MAD_F(0x05b1ab8d) /* 0.355876494 */, 17 }, + /* 3175 */ { MAD_F(0x05b24851) /* 0.356025999 */, 17 }, + /* 3176 */ { MAD_F(0x05b2e51a) /* 0.356175519 */, 17 }, + /* 3177 */ { MAD_F(0x05b381e6) /* 0.356325054 */, 17 }, + /* 3178 */ { MAD_F(0x05b41eb7) /* 0.356474606 */, 17 }, + /* 3179 */ { MAD_F(0x05b4bb8c) /* 0.356624173 */, 17 }, + /* 3180 */ { MAD_F(0x05b55866) /* 0.356773756 */, 17 }, + /* 3181 */ { MAD_F(0x05b5f543) /* 0.356923354 */, 17 }, + /* 3182 */ { MAD_F(0x05b69225) /* 0.357072969 */, 17 }, + /* 3183 */ { MAD_F(0x05b72f0b) /* 0.357222598 */, 17 }, + + /* 3184 */ { MAD_F(0x05b7cbf5) /* 0.357372244 */, 17 }, + /* 3185 */ { MAD_F(0x05b868e3) /* 0.357521905 */, 17 }, + /* 3186 */ { MAD_F(0x05b905d6) /* 0.357671582 */, 17 }, + /* 3187 */ { MAD_F(0x05b9a2cd) /* 0.357821275 */, 17 }, + /* 3188 */ { MAD_F(0x05ba3fc8) /* 0.357970983 */, 17 }, + /* 3189 */ { MAD_F(0x05badcc7) /* 0.358120707 */, 17 }, + /* 3190 */ { MAD_F(0x05bb79ca) /* 0.358270446 */, 17 }, + /* 3191 */ { MAD_F(0x05bc16d2) /* 0.358420201 */, 17 }, + /* 3192 */ { MAD_F(0x05bcb3de) /* 0.358569972 */, 17 }, + /* 3193 */ { MAD_F(0x05bd50ee) /* 0.358719758 */, 17 }, + /* 3194 */ { MAD_F(0x05bdee02) /* 0.358869560 */, 17 }, + /* 3195 */ { MAD_F(0x05be8b1a) /* 0.359019378 */, 17 }, + /* 3196 */ { MAD_F(0x05bf2837) /* 0.359169211 */, 17 }, + /* 3197 */ { MAD_F(0x05bfc558) /* 0.359319060 */, 17 }, + /* 3198 */ { MAD_F(0x05c0627d) /* 0.359468925 */, 17 }, + /* 3199 */ { MAD_F(0x05c0ffa6) /* 0.359618805 */, 17 }, + + /* 3200 */ { MAD_F(0x05c19cd3) /* 0.359768701 */, 17 }, + /* 3201 */ { MAD_F(0x05c23a05) /* 0.359918612 */, 17 }, + /* 3202 */ { MAD_F(0x05c2d73a) /* 0.360068540 */, 17 }, + /* 3203 */ { MAD_F(0x05c37474) /* 0.360218482 */, 17 }, + /* 3204 */ { MAD_F(0x05c411b2) /* 0.360368440 */, 17 }, + /* 3205 */ { MAD_F(0x05c4aef5) /* 0.360518414 */, 17 }, + /* 3206 */ { MAD_F(0x05c54c3b) /* 0.360668404 */, 17 }, + /* 3207 */ { MAD_F(0x05c5e986) /* 0.360818409 */, 17 }, + /* 3208 */ { MAD_F(0x05c686d5) /* 0.360968429 */, 17 }, + /* 3209 */ { MAD_F(0x05c72428) /* 0.361118466 */, 17 }, + /* 3210 */ { MAD_F(0x05c7c17f) /* 0.361268517 */, 17 }, + /* 3211 */ { MAD_F(0x05c85eda) /* 0.361418585 */, 17 }, + /* 3212 */ { MAD_F(0x05c8fc3a) /* 0.361568668 */, 17 }, + /* 3213 */ { MAD_F(0x05c9999e) /* 0.361718766 */, 17 }, + /* 3214 */ { MAD_F(0x05ca3706) /* 0.361868881 */, 17 }, + /* 3215 */ { MAD_F(0x05cad472) /* 0.362019010 */, 17 }, + + /* 3216 */ { MAD_F(0x05cb71e2) /* 0.362169156 */, 17 }, + /* 3217 */ { MAD_F(0x05cc0f57) /* 0.362319316 */, 17 }, + /* 3218 */ { MAD_F(0x05ccaccf) /* 0.362469493 */, 17 }, + /* 3219 */ { MAD_F(0x05cd4a4c) /* 0.362619685 */, 17 }, + /* 3220 */ { MAD_F(0x05cde7cd) /* 0.362769892 */, 17 }, + /* 3221 */ { MAD_F(0x05ce8552) /* 0.362920115 */, 17 }, + /* 3222 */ { MAD_F(0x05cf22dc) /* 0.363070354 */, 17 }, + /* 3223 */ { MAD_F(0x05cfc069) /* 0.363220608 */, 17 }, + /* 3224 */ { MAD_F(0x05d05dfb) /* 0.363370878 */, 17 }, + /* 3225 */ { MAD_F(0x05d0fb91) /* 0.363521163 */, 17 }, + /* 3226 */ { MAD_F(0x05d1992b) /* 0.363671464 */, 17 }, + /* 3227 */ { MAD_F(0x05d236c9) /* 0.363821780 */, 17 }, + /* 3228 */ { MAD_F(0x05d2d46c) /* 0.363972112 */, 17 }, + /* 3229 */ { MAD_F(0x05d37212) /* 0.364122459 */, 17 }, + /* 3230 */ { MAD_F(0x05d40fbd) /* 0.364272822 */, 17 }, + /* 3231 */ { MAD_F(0x05d4ad6c) /* 0.364423200 */, 17 }, + + /* 3232 */ { MAD_F(0x05d54b1f) /* 0.364573594 */, 17 }, + /* 3233 */ { MAD_F(0x05d5e8d6) /* 0.364724004 */, 17 }, + /* 3234 */ { MAD_F(0x05d68691) /* 0.364874429 */, 17 }, + /* 3235 */ { MAD_F(0x05d72451) /* 0.365024869 */, 17 }, + /* 3236 */ { MAD_F(0x05d7c215) /* 0.365175325 */, 17 }, + /* 3237 */ { MAD_F(0x05d85fdc) /* 0.365325796 */, 17 }, + /* 3238 */ { MAD_F(0x05d8fda8) /* 0.365476283 */, 17 }, + /* 3239 */ { MAD_F(0x05d99b79) /* 0.365626786 */, 17 }, + /* 3240 */ { MAD_F(0x05da394d) /* 0.365777304 */, 17 }, + /* 3241 */ { MAD_F(0x05dad726) /* 0.365927837 */, 17 }, + /* 3242 */ { MAD_F(0x05db7502) /* 0.366078386 */, 17 }, + /* 3243 */ { MAD_F(0x05dc12e3) /* 0.366228950 */, 17 }, + /* 3244 */ { MAD_F(0x05dcb0c8) /* 0.366379530 */, 17 }, + /* 3245 */ { MAD_F(0x05dd4eb1) /* 0.366530125 */, 17 }, + /* 3246 */ { MAD_F(0x05ddec9e) /* 0.366680736 */, 17 }, + /* 3247 */ { MAD_F(0x05de8a90) /* 0.366831362 */, 17 }, + + /* 3248 */ { MAD_F(0x05df2885) /* 0.366982004 */, 17 }, + /* 3249 */ { MAD_F(0x05dfc67f) /* 0.367132661 */, 17 }, + /* 3250 */ { MAD_F(0x05e0647d) /* 0.367283334 */, 17 }, + /* 3251 */ { MAD_F(0x05e1027f) /* 0.367434022 */, 17 }, + /* 3252 */ { MAD_F(0x05e1a085) /* 0.367584725 */, 17 }, + /* 3253 */ { MAD_F(0x05e23e8f) /* 0.367735444 */, 17 }, + /* 3254 */ { MAD_F(0x05e2dc9e) /* 0.367886179 */, 17 }, + /* 3255 */ { MAD_F(0x05e37ab0) /* 0.368036929 */, 17 }, + /* 3256 */ { MAD_F(0x05e418c7) /* 0.368187694 */, 17 }, + /* 3257 */ { MAD_F(0x05e4b6e2) /* 0.368338475 */, 17 }, + /* 3258 */ { MAD_F(0x05e55501) /* 0.368489271 */, 17 }, + /* 3259 */ { MAD_F(0x05e5f324) /* 0.368640082 */, 17 }, + /* 3260 */ { MAD_F(0x05e6914c) /* 0.368790909 */, 17 }, + /* 3261 */ { MAD_F(0x05e72f77) /* 0.368941752 */, 17 }, + /* 3262 */ { MAD_F(0x05e7cda7) /* 0.369092610 */, 17 }, + /* 3263 */ { MAD_F(0x05e86bda) /* 0.369243483 */, 17 }, + + /* 3264 */ { MAD_F(0x05e90a12) /* 0.369394372 */, 17 }, + /* 3265 */ { MAD_F(0x05e9a84e) /* 0.369545276 */, 17 }, + /* 3266 */ { MAD_F(0x05ea468e) /* 0.369696195 */, 17 }, + /* 3267 */ { MAD_F(0x05eae4d3) /* 0.369847130 */, 17 }, + /* 3268 */ { MAD_F(0x05eb831b) /* 0.369998080 */, 17 }, + /* 3269 */ { MAD_F(0x05ec2168) /* 0.370149046 */, 17 }, + /* 3270 */ { MAD_F(0x05ecbfb8) /* 0.370300027 */, 17 }, + /* 3271 */ { MAD_F(0x05ed5e0d) /* 0.370451024 */, 17 }, + /* 3272 */ { MAD_F(0x05edfc66) /* 0.370602036 */, 17 }, + /* 3273 */ { MAD_F(0x05ee9ac3) /* 0.370753063 */, 17 }, + /* 3274 */ { MAD_F(0x05ef3924) /* 0.370904105 */, 17 }, + /* 3275 */ { MAD_F(0x05efd78a) /* 0.371055163 */, 17 }, + /* 3276 */ { MAD_F(0x05f075f3) /* 0.371206237 */, 17 }, + /* 3277 */ { MAD_F(0x05f11461) /* 0.371357326 */, 17 }, + /* 3278 */ { MAD_F(0x05f1b2d3) /* 0.371508430 */, 17 }, + /* 3279 */ { MAD_F(0x05f25148) /* 0.371659549 */, 17 }, + + /* 3280 */ { MAD_F(0x05f2efc2) /* 0.371810684 */, 17 }, + /* 3281 */ { MAD_F(0x05f38e40) /* 0.371961834 */, 17 }, + /* 3282 */ { MAD_F(0x05f42cc3) /* 0.372113000 */, 17 }, + /* 3283 */ { MAD_F(0x05f4cb49) /* 0.372264181 */, 17 }, + /* 3284 */ { MAD_F(0x05f569d3) /* 0.372415377 */, 17 }, + /* 3285 */ { MAD_F(0x05f60862) /* 0.372566589 */, 17 }, + /* 3286 */ { MAD_F(0x05f6a6f5) /* 0.372717816 */, 17 }, + /* 3287 */ { MAD_F(0x05f7458b) /* 0.372869058 */, 17 }, + /* 3288 */ { MAD_F(0x05f7e426) /* 0.373020316 */, 17 }, + /* 3289 */ { MAD_F(0x05f882c5) /* 0.373171589 */, 17 }, + /* 3290 */ { MAD_F(0x05f92169) /* 0.373322877 */, 17 }, + /* 3291 */ { MAD_F(0x05f9c010) /* 0.373474181 */, 17 }, + /* 3292 */ { MAD_F(0x05fa5ebb) /* 0.373625500 */, 17 }, + /* 3293 */ { MAD_F(0x05fafd6b) /* 0.373776834 */, 17 }, + /* 3294 */ { MAD_F(0x05fb9c1e) /* 0.373928184 */, 17 }, + /* 3295 */ { MAD_F(0x05fc3ad6) /* 0.374079549 */, 17 }, + + /* 3296 */ { MAD_F(0x05fcd992) /* 0.374230929 */, 17 }, + /* 3297 */ { MAD_F(0x05fd7852) /* 0.374382325 */, 17 }, + /* 3298 */ { MAD_F(0x05fe1716) /* 0.374533735 */, 17 }, + /* 3299 */ { MAD_F(0x05feb5de) /* 0.374685162 */, 17 }, + /* 3300 */ { MAD_F(0x05ff54aa) /* 0.374836603 */, 17 }, + /* 3301 */ { MAD_F(0x05fff37b) /* 0.374988060 */, 17 }, + /* 3302 */ { MAD_F(0x0600924f) /* 0.375139532 */, 17 }, + /* 3303 */ { MAD_F(0x06013128) /* 0.375291019 */, 17 }, + /* 3304 */ { MAD_F(0x0601d004) /* 0.375442522 */, 17 }, + /* 3305 */ { MAD_F(0x06026ee5) /* 0.375594040 */, 17 }, + /* 3306 */ { MAD_F(0x06030dca) /* 0.375745573 */, 17 }, + /* 3307 */ { MAD_F(0x0603acb3) /* 0.375897122 */, 17 }, + /* 3308 */ { MAD_F(0x06044ba0) /* 0.376048685 */, 17 }, + /* 3309 */ { MAD_F(0x0604ea91) /* 0.376200265 */, 17 }, + /* 3310 */ { MAD_F(0x06058987) /* 0.376351859 */, 17 }, + /* 3311 */ { MAD_F(0x06062880) /* 0.376503468 */, 17 }, + + /* 3312 */ { MAD_F(0x0606c77d) /* 0.376655093 */, 17 }, + /* 3313 */ { MAD_F(0x0607667f) /* 0.376806733 */, 17 }, + /* 3314 */ { MAD_F(0x06080585) /* 0.376958389 */, 17 }, + /* 3315 */ { MAD_F(0x0608a48f) /* 0.377110059 */, 17 }, + /* 3316 */ { MAD_F(0x0609439c) /* 0.377261745 */, 17 }, + /* 3317 */ { MAD_F(0x0609e2ae) /* 0.377413446 */, 17 }, + /* 3318 */ { MAD_F(0x060a81c4) /* 0.377565163 */, 17 }, + /* 3319 */ { MAD_F(0x060b20df) /* 0.377716894 */, 17 }, + /* 3320 */ { MAD_F(0x060bbffd) /* 0.377868641 */, 17 }, + /* 3321 */ { MAD_F(0x060c5f1f) /* 0.378020403 */, 17 }, + /* 3322 */ { MAD_F(0x060cfe46) /* 0.378172181 */, 17 }, + /* 3323 */ { MAD_F(0x060d9d70) /* 0.378323973 */, 17 }, + /* 3324 */ { MAD_F(0x060e3c9f) /* 0.378475781 */, 17 }, + /* 3325 */ { MAD_F(0x060edbd1) /* 0.378627604 */, 17 }, + /* 3326 */ { MAD_F(0x060f7b08) /* 0.378779442 */, 17 }, + /* 3327 */ { MAD_F(0x06101a43) /* 0.378931296 */, 17 }, + + /* 3328 */ { MAD_F(0x0610b982) /* 0.379083164 */, 17 }, + /* 3329 */ { MAD_F(0x061158c5) /* 0.379235048 */, 17 }, + /* 3330 */ { MAD_F(0x0611f80c) /* 0.379386947 */, 17 }, + /* 3331 */ { MAD_F(0x06129757) /* 0.379538862 */, 17 }, + /* 3332 */ { MAD_F(0x061336a6) /* 0.379690791 */, 17 }, + /* 3333 */ { MAD_F(0x0613d5fa) /* 0.379842736 */, 17 }, + /* 3334 */ { MAD_F(0x06147551) /* 0.379994696 */, 17 }, + /* 3335 */ { MAD_F(0x061514ad) /* 0.380146671 */, 17 }, + /* 3336 */ { MAD_F(0x0615b40c) /* 0.380298661 */, 17 }, + /* 3337 */ { MAD_F(0x06165370) /* 0.380450666 */, 17 }, + /* 3338 */ { MAD_F(0x0616f2d8) /* 0.380602687 */, 17 }, + /* 3339 */ { MAD_F(0x06179243) /* 0.380754723 */, 17 }, + /* 3340 */ { MAD_F(0x061831b3) /* 0.380906774 */, 17 }, + /* 3341 */ { MAD_F(0x0618d127) /* 0.381058840 */, 17 }, + /* 3342 */ { MAD_F(0x0619709f) /* 0.381210921 */, 17 }, + /* 3343 */ { MAD_F(0x061a101b) /* 0.381363018 */, 17 }, + + /* 3344 */ { MAD_F(0x061aaf9c) /* 0.381515130 */, 17 }, + /* 3345 */ { MAD_F(0x061b4f20) /* 0.381667257 */, 17 }, + /* 3346 */ { MAD_F(0x061beea8) /* 0.381819399 */, 17 }, + /* 3347 */ { MAD_F(0x061c8e34) /* 0.381971556 */, 17 }, + /* 3348 */ { MAD_F(0x061d2dc5) /* 0.382123728 */, 17 }, + /* 3349 */ { MAD_F(0x061dcd59) /* 0.382275916 */, 17 }, + /* 3350 */ { MAD_F(0x061e6cf2) /* 0.382428118 */, 17 }, + /* 3351 */ { MAD_F(0x061f0c8f) /* 0.382580336 */, 17 }, + /* 3352 */ { MAD_F(0x061fac2f) /* 0.382732569 */, 17 }, + /* 3353 */ { MAD_F(0x06204bd4) /* 0.382884817 */, 17 }, + /* 3354 */ { MAD_F(0x0620eb7d) /* 0.383037080 */, 17 }, + /* 3355 */ { MAD_F(0x06218b2a) /* 0.383189358 */, 17 }, + /* 3356 */ { MAD_F(0x06222adb) /* 0.383341652 */, 17 }, + /* 3357 */ { MAD_F(0x0622ca90) /* 0.383493960 */, 17 }, + /* 3358 */ { MAD_F(0x06236a49) /* 0.383646284 */, 17 }, + /* 3359 */ { MAD_F(0x06240a06) /* 0.383798623 */, 17 }, + + /* 3360 */ { MAD_F(0x0624a9c7) /* 0.383950977 */, 17 }, + /* 3361 */ { MAD_F(0x0625498d) /* 0.384103346 */, 17 }, + /* 3362 */ { MAD_F(0x0625e956) /* 0.384255730 */, 17 }, + /* 3363 */ { MAD_F(0x06268923) /* 0.384408129 */, 17 }, + /* 3364 */ { MAD_F(0x062728f5) /* 0.384560544 */, 17 }, + /* 3365 */ { MAD_F(0x0627c8ca) /* 0.384712973 */, 17 }, + /* 3366 */ { MAD_F(0x062868a4) /* 0.384865418 */, 17 }, + /* 3367 */ { MAD_F(0x06290881) /* 0.385017878 */, 17 }, + /* 3368 */ { MAD_F(0x0629a863) /* 0.385170352 */, 17 }, + /* 3369 */ { MAD_F(0x062a4849) /* 0.385322842 */, 17 }, + /* 3370 */ { MAD_F(0x062ae832) /* 0.385475347 */, 17 }, + /* 3371 */ { MAD_F(0x062b8820) /* 0.385627867 */, 17 }, + /* 3372 */ { MAD_F(0x062c2812) /* 0.385780402 */, 17 }, + /* 3373 */ { MAD_F(0x062cc808) /* 0.385932953 */, 17 }, + /* 3374 */ { MAD_F(0x062d6802) /* 0.386085518 */, 17 }, + /* 3375 */ { MAD_F(0x062e0800) /* 0.386238098 */, 17 }, + + /* 3376 */ { MAD_F(0x062ea802) /* 0.386390694 */, 17 }, + /* 3377 */ { MAD_F(0x062f4808) /* 0.386543304 */, 17 }, + /* 3378 */ { MAD_F(0x062fe812) /* 0.386695930 */, 17 }, + /* 3379 */ { MAD_F(0x06308820) /* 0.386848570 */, 17 }, + /* 3380 */ { MAD_F(0x06312832) /* 0.387001226 */, 17 }, + /* 3381 */ { MAD_F(0x0631c849) /* 0.387153897 */, 17 }, + /* 3382 */ { MAD_F(0x06326863) /* 0.387306582 */, 17 }, + /* 3383 */ { MAD_F(0x06330881) /* 0.387459283 */, 17 }, + /* 3384 */ { MAD_F(0x0633a8a3) /* 0.387611999 */, 17 }, + /* 3385 */ { MAD_F(0x063448ca) /* 0.387764730 */, 17 }, + /* 3386 */ { MAD_F(0x0634e8f4) /* 0.387917476 */, 17 }, + /* 3387 */ { MAD_F(0x06358923) /* 0.388070237 */, 17 }, + /* 3388 */ { MAD_F(0x06362955) /* 0.388223013 */, 17 }, + /* 3389 */ { MAD_F(0x0636c98c) /* 0.388375804 */, 17 }, + /* 3390 */ { MAD_F(0x063769c6) /* 0.388528610 */, 17 }, + /* 3391 */ { MAD_F(0x06380a05) /* 0.388681431 */, 17 }, + + /* 3392 */ { MAD_F(0x0638aa48) /* 0.388834268 */, 17 }, + /* 3393 */ { MAD_F(0x06394a8e) /* 0.388987119 */, 17 }, + /* 3394 */ { MAD_F(0x0639ead9) /* 0.389139985 */, 17 }, + /* 3395 */ { MAD_F(0x063a8b28) /* 0.389292866 */, 17 }, + /* 3396 */ { MAD_F(0x063b2b7b) /* 0.389445762 */, 17 }, + /* 3397 */ { MAD_F(0x063bcbd1) /* 0.389598674 */, 17 }, + /* 3398 */ { MAD_F(0x063c6c2c) /* 0.389751600 */, 17 }, + /* 3399 */ { MAD_F(0x063d0c8b) /* 0.389904541 */, 17 }, + /* 3400 */ { MAD_F(0x063dacee) /* 0.390057497 */, 17 }, + /* 3401 */ { MAD_F(0x063e4d55) /* 0.390210468 */, 17 }, + /* 3402 */ { MAD_F(0x063eedc0) /* 0.390363455 */, 17 }, + /* 3403 */ { MAD_F(0x063f8e2f) /* 0.390516456 */, 17 }, + /* 3404 */ { MAD_F(0x06402ea2) /* 0.390669472 */, 17 }, + /* 3405 */ { MAD_F(0x0640cf19) /* 0.390822503 */, 17 }, + /* 3406 */ { MAD_F(0x06416f94) /* 0.390975549 */, 17 }, + /* 3407 */ { MAD_F(0x06421013) /* 0.391128611 */, 17 }, + + /* 3408 */ { MAD_F(0x0642b096) /* 0.391281687 */, 17 }, + /* 3409 */ { MAD_F(0x0643511d) /* 0.391434778 */, 17 }, + /* 3410 */ { MAD_F(0x0643f1a8) /* 0.391587884 */, 17 }, + /* 3411 */ { MAD_F(0x06449237) /* 0.391741005 */, 17 }, + /* 3412 */ { MAD_F(0x064532ca) /* 0.391894141 */, 17 }, + /* 3413 */ { MAD_F(0x0645d361) /* 0.392047292 */, 17 }, + /* 3414 */ { MAD_F(0x064673fc) /* 0.392200458 */, 17 }, + /* 3415 */ { MAD_F(0x0647149c) /* 0.392353638 */, 17 }, + /* 3416 */ { MAD_F(0x0647b53f) /* 0.392506834 */, 17 }, + /* 3417 */ { MAD_F(0x064855e6) /* 0.392660045 */, 17 }, + /* 3418 */ { MAD_F(0x0648f691) /* 0.392813271 */, 17 }, + /* 3419 */ { MAD_F(0x06499740) /* 0.392966511 */, 17 }, + /* 3420 */ { MAD_F(0x064a37f4) /* 0.393119767 */, 17 }, + /* 3421 */ { MAD_F(0x064ad8ab) /* 0.393273038 */, 17 }, + /* 3422 */ { MAD_F(0x064b7966) /* 0.393426323 */, 17 }, + /* 3423 */ { MAD_F(0x064c1a25) /* 0.393579623 */, 17 }, + + /* 3424 */ { MAD_F(0x064cbae9) /* 0.393732939 */, 17 }, + /* 3425 */ { MAD_F(0x064d5bb0) /* 0.393886269 */, 17 }, + /* 3426 */ { MAD_F(0x064dfc7b) /* 0.394039614 */, 17 }, + /* 3427 */ { MAD_F(0x064e9d4b) /* 0.394192974 */, 17 }, + /* 3428 */ { MAD_F(0x064f3e1e) /* 0.394346349 */, 17 }, + /* 3429 */ { MAD_F(0x064fdef5) /* 0.394499739 */, 17 }, + /* 3430 */ { MAD_F(0x06507fd0) /* 0.394653144 */, 17 }, + /* 3431 */ { MAD_F(0x065120b0) /* 0.394806564 */, 17 }, + /* 3432 */ { MAD_F(0x0651c193) /* 0.394959999 */, 17 }, + /* 3433 */ { MAD_F(0x0652627a) /* 0.395113448 */, 17 }, + /* 3434 */ { MAD_F(0x06530366) /* 0.395266913 */, 17 }, + /* 3435 */ { MAD_F(0x0653a455) /* 0.395420392 */, 17 }, + /* 3436 */ { MAD_F(0x06544548) /* 0.395573886 */, 17 }, + /* 3437 */ { MAD_F(0x0654e640) /* 0.395727395 */, 17 }, + /* 3438 */ { MAD_F(0x0655873b) /* 0.395880919 */, 17 }, + /* 3439 */ { MAD_F(0x0656283a) /* 0.396034458 */, 17 }, + + /* 3440 */ { MAD_F(0x0656c93d) /* 0.396188012 */, 17 }, + /* 3441 */ { MAD_F(0x06576a45) /* 0.396341581 */, 17 }, + /* 3442 */ { MAD_F(0x06580b50) /* 0.396495164 */, 17 }, + /* 3443 */ { MAD_F(0x0658ac5f) /* 0.396648763 */, 17 }, + /* 3444 */ { MAD_F(0x06594d73) /* 0.396802376 */, 17 }, + /* 3445 */ { MAD_F(0x0659ee8a) /* 0.396956004 */, 17 }, + /* 3446 */ { MAD_F(0x065a8fa5) /* 0.397109647 */, 17 }, + /* 3447 */ { MAD_F(0x065b30c4) /* 0.397263305 */, 17 }, + /* 3448 */ { MAD_F(0x065bd1e7) /* 0.397416978 */, 17 }, + /* 3449 */ { MAD_F(0x065c730f) /* 0.397570666 */, 17 }, + /* 3450 */ { MAD_F(0x065d143a) /* 0.397724368 */, 17 }, + /* 3451 */ { MAD_F(0x065db569) /* 0.397878085 */, 17 }, + /* 3452 */ { MAD_F(0x065e569c) /* 0.398031818 */, 17 }, + /* 3453 */ { MAD_F(0x065ef7d3) /* 0.398185565 */, 17 }, + /* 3454 */ { MAD_F(0x065f990e) /* 0.398339326 */, 17 }, + /* 3455 */ { MAD_F(0x06603a4e) /* 0.398493103 */, 17 }, + + /* 3456 */ { MAD_F(0x0660db91) /* 0.398646895 */, 17 }, + /* 3457 */ { MAD_F(0x06617cd8) /* 0.398800701 */, 17 }, + /* 3458 */ { MAD_F(0x06621e23) /* 0.398954522 */, 17 }, + /* 3459 */ { MAD_F(0x0662bf72) /* 0.399108358 */, 17 }, + /* 3460 */ { MAD_F(0x066360c5) /* 0.399262209 */, 17 }, + /* 3461 */ { MAD_F(0x0664021c) /* 0.399416075 */, 17 }, + /* 3462 */ { MAD_F(0x0664a377) /* 0.399569955 */, 17 }, + /* 3463 */ { MAD_F(0x066544d6) /* 0.399723851 */, 17 }, + /* 3464 */ { MAD_F(0x0665e639) /* 0.399877761 */, 17 }, + /* 3465 */ { MAD_F(0x066687a0) /* 0.400031686 */, 17 }, + /* 3466 */ { MAD_F(0x0667290b) /* 0.400185625 */, 17 }, + /* 3467 */ { MAD_F(0x0667ca79) /* 0.400339580 */, 17 }, + /* 3468 */ { MAD_F(0x06686bec) /* 0.400493549 */, 17 }, + /* 3469 */ { MAD_F(0x06690d63) /* 0.400647534 */, 17 }, + /* 3470 */ { MAD_F(0x0669aede) /* 0.400801533 */, 17 }, + /* 3471 */ { MAD_F(0x066a505d) /* 0.400955546 */, 17 }, + + /* 3472 */ { MAD_F(0x066af1df) /* 0.401109575 */, 17 }, + /* 3473 */ { MAD_F(0x066b9366) /* 0.401263618 */, 17 }, + /* 3474 */ { MAD_F(0x066c34f1) /* 0.401417676 */, 17 }, + /* 3475 */ { MAD_F(0x066cd67f) /* 0.401571749 */, 17 }, + /* 3476 */ { MAD_F(0x066d7812) /* 0.401725837 */, 17 }, + /* 3477 */ { MAD_F(0x066e19a9) /* 0.401879939 */, 17 }, + /* 3478 */ { MAD_F(0x066ebb43) /* 0.402034056 */, 17 }, + /* 3479 */ { MAD_F(0x066f5ce2) /* 0.402188188 */, 17 }, + /* 3480 */ { MAD_F(0x066ffe84) /* 0.402342335 */, 17 }, + /* 3481 */ { MAD_F(0x0670a02a) /* 0.402496497 */, 17 }, + /* 3482 */ { MAD_F(0x067141d5) /* 0.402650673 */, 17 }, + /* 3483 */ { MAD_F(0x0671e383) /* 0.402804864 */, 17 }, + /* 3484 */ { MAD_F(0x06728535) /* 0.402959070 */, 17 }, + /* 3485 */ { MAD_F(0x067326ec) /* 0.403113291 */, 17 }, + /* 3486 */ { MAD_F(0x0673c8a6) /* 0.403267526 */, 17 }, + /* 3487 */ { MAD_F(0x06746a64) /* 0.403421776 */, 17 }, + + /* 3488 */ { MAD_F(0x06750c26) /* 0.403576041 */, 17 }, + /* 3489 */ { MAD_F(0x0675adec) /* 0.403730320 */, 17 }, + /* 3490 */ { MAD_F(0x06764fb6) /* 0.403884615 */, 17 }, + /* 3491 */ { MAD_F(0x0676f184) /* 0.404038924 */, 17 }, + /* 3492 */ { MAD_F(0x06779356) /* 0.404193247 */, 17 }, + /* 3493 */ { MAD_F(0x0678352c) /* 0.404347586 */, 17 }, + /* 3494 */ { MAD_F(0x0678d706) /* 0.404501939 */, 17 }, + /* 3495 */ { MAD_F(0x067978e4) /* 0.404656307 */, 17 }, + /* 3496 */ { MAD_F(0x067a1ac6) /* 0.404810690 */, 17 }, + /* 3497 */ { MAD_F(0x067abcac) /* 0.404965087 */, 17 }, + /* 3498 */ { MAD_F(0x067b5e95) /* 0.405119499 */, 17 }, + /* 3499 */ { MAD_F(0x067c0083) /* 0.405273926 */, 17 }, + /* 3500 */ { MAD_F(0x067ca275) /* 0.405428368 */, 17 }, + /* 3501 */ { MAD_F(0x067d446a) /* 0.405582824 */, 17 }, + /* 3502 */ { MAD_F(0x067de664) /* 0.405737295 */, 17 }, + /* 3503 */ { MAD_F(0x067e8861) /* 0.405891781 */, 17 }, + + /* 3504 */ { MAD_F(0x067f2a62) /* 0.406046281 */, 17 }, + /* 3505 */ { MAD_F(0x067fcc68) /* 0.406200796 */, 17 }, + /* 3506 */ { MAD_F(0x06806e71) /* 0.406355326 */, 17 }, + /* 3507 */ { MAD_F(0x0681107e) /* 0.406509870 */, 17 }, + /* 3508 */ { MAD_F(0x0681b28f) /* 0.406664429 */, 17 }, + /* 3509 */ { MAD_F(0x068254a4) /* 0.406819003 */, 17 }, + /* 3510 */ { MAD_F(0x0682f6bd) /* 0.406973592 */, 17 }, + /* 3511 */ { MAD_F(0x068398da) /* 0.407128195 */, 17 }, + /* 3512 */ { MAD_F(0x06843afb) /* 0.407282813 */, 17 }, + /* 3513 */ { MAD_F(0x0684dd20) /* 0.407437445 */, 17 }, + /* 3514 */ { MAD_F(0x06857f49) /* 0.407592093 */, 17 }, + /* 3515 */ { MAD_F(0x06862176) /* 0.407746754 */, 17 }, + /* 3516 */ { MAD_F(0x0686c3a6) /* 0.407901431 */, 17 }, + /* 3517 */ { MAD_F(0x068765db) /* 0.408056122 */, 17 }, + /* 3518 */ { MAD_F(0x06880814) /* 0.408210828 */, 17 }, + /* 3519 */ { MAD_F(0x0688aa50) /* 0.408365549 */, 17 }, + + /* 3520 */ { MAD_F(0x06894c90) /* 0.408520284 */, 17 }, + /* 3521 */ { MAD_F(0x0689eed5) /* 0.408675034 */, 17 }, + /* 3522 */ { MAD_F(0x068a911d) /* 0.408829798 */, 17 }, + /* 3523 */ { MAD_F(0x068b3369) /* 0.408984577 */, 17 }, + /* 3524 */ { MAD_F(0x068bd5b9) /* 0.409139371 */, 17 }, + /* 3525 */ { MAD_F(0x068c780e) /* 0.409294180 */, 17 }, + /* 3526 */ { MAD_F(0x068d1a66) /* 0.409449003 */, 17 }, + /* 3527 */ { MAD_F(0x068dbcc1) /* 0.409603840 */, 17 }, + /* 3528 */ { MAD_F(0x068e5f21) /* 0.409758693 */, 17 }, + /* 3529 */ { MAD_F(0x068f0185) /* 0.409913560 */, 17 }, + /* 3530 */ { MAD_F(0x068fa3ed) /* 0.410068441 */, 17 }, + /* 3531 */ { MAD_F(0x06904658) /* 0.410223338 */, 17 }, + /* 3532 */ { MAD_F(0x0690e8c8) /* 0.410378249 */, 17 }, + /* 3533 */ { MAD_F(0x06918b3c) /* 0.410533174 */, 17 }, + /* 3534 */ { MAD_F(0x06922db3) /* 0.410688114 */, 17 }, + /* 3535 */ { MAD_F(0x0692d02e) /* 0.410843069 */, 17 }, + + /* 3536 */ { MAD_F(0x069372ae) /* 0.410998038 */, 17 }, + /* 3537 */ { MAD_F(0x06941531) /* 0.411153022 */, 17 }, + /* 3538 */ { MAD_F(0x0694b7b8) /* 0.411308021 */, 17 }, + /* 3539 */ { MAD_F(0x06955a43) /* 0.411463034 */, 17 }, + /* 3540 */ { MAD_F(0x0695fcd2) /* 0.411618062 */, 17 }, + /* 3541 */ { MAD_F(0x06969f65) /* 0.411773104 */, 17 }, + /* 3542 */ { MAD_F(0x069741fb) /* 0.411928161 */, 17 }, + /* 3543 */ { MAD_F(0x0697e496) /* 0.412083232 */, 17 }, + /* 3544 */ { MAD_F(0x06988735) /* 0.412238319 */, 17 }, + /* 3545 */ { MAD_F(0x069929d7) /* 0.412393419 */, 17 }, + /* 3546 */ { MAD_F(0x0699cc7e) /* 0.412548535 */, 17 }, + /* 3547 */ { MAD_F(0x069a6f28) /* 0.412703664 */, 17 }, + /* 3548 */ { MAD_F(0x069b11d6) /* 0.412858809 */, 17 }, + /* 3549 */ { MAD_F(0x069bb489) /* 0.413013968 */, 17 }, + /* 3550 */ { MAD_F(0x069c573f) /* 0.413169142 */, 17 }, + /* 3551 */ { MAD_F(0x069cf9f9) /* 0.413324330 */, 17 }, + + /* 3552 */ { MAD_F(0x069d9cb7) /* 0.413479532 */, 17 }, + /* 3553 */ { MAD_F(0x069e3f78) /* 0.413634750 */, 17 }, + /* 3554 */ { MAD_F(0x069ee23e) /* 0.413789982 */, 17 }, + /* 3555 */ { MAD_F(0x069f8508) /* 0.413945228 */, 17 }, + /* 3556 */ { MAD_F(0x06a027d5) /* 0.414100489 */, 17 }, + /* 3557 */ { MAD_F(0x06a0caa7) /* 0.414255765 */, 17 }, + /* 3558 */ { MAD_F(0x06a16d7c) /* 0.414411055 */, 17 }, + /* 3559 */ { MAD_F(0x06a21055) /* 0.414566359 */, 17 }, + /* 3560 */ { MAD_F(0x06a2b333) /* 0.414721679 */, 17 }, + /* 3561 */ { MAD_F(0x06a35614) /* 0.414877012 */, 17 }, + /* 3562 */ { MAD_F(0x06a3f8f9) /* 0.415032361 */, 17 }, + /* 3563 */ { MAD_F(0x06a49be2) /* 0.415187723 */, 17 }, + /* 3564 */ { MAD_F(0x06a53ece) /* 0.415343101 */, 17 }, + /* 3565 */ { MAD_F(0x06a5e1bf) /* 0.415498493 */, 17 }, + /* 3566 */ { MAD_F(0x06a684b4) /* 0.415653899 */, 17 }, + /* 3567 */ { MAD_F(0x06a727ac) /* 0.415809320 */, 17 }, + + /* 3568 */ { MAD_F(0x06a7caa9) /* 0.415964756 */, 17 }, + /* 3569 */ { MAD_F(0x06a86da9) /* 0.416120206 */, 17 }, + /* 3570 */ { MAD_F(0x06a910ad) /* 0.416275670 */, 17 }, + /* 3571 */ { MAD_F(0x06a9b3b5) /* 0.416431149 */, 17 }, + /* 3572 */ { MAD_F(0x06aa56c1) /* 0.416586643 */, 17 }, + /* 3573 */ { MAD_F(0x06aaf9d1) /* 0.416742151 */, 17 }, + /* 3574 */ { MAD_F(0x06ab9ce5) /* 0.416897673 */, 17 }, + /* 3575 */ { MAD_F(0x06ac3ffc) /* 0.417053210 */, 17 }, + /* 3576 */ { MAD_F(0x06ace318) /* 0.417208762 */, 17 }, + /* 3577 */ { MAD_F(0x06ad8637) /* 0.417364328 */, 17 }, + /* 3578 */ { MAD_F(0x06ae295b) /* 0.417519909 */, 17 }, + /* 3579 */ { MAD_F(0x06aecc82) /* 0.417675504 */, 17 }, + /* 3580 */ { MAD_F(0x06af6fad) /* 0.417831113 */, 17 }, + /* 3581 */ { MAD_F(0x06b012dc) /* 0.417986737 */, 17 }, + /* 3582 */ { MAD_F(0x06b0b60f) /* 0.418142376 */, 17 }, + /* 3583 */ { MAD_F(0x06b15946) /* 0.418298029 */, 17 }, + + /* 3584 */ { MAD_F(0x06b1fc81) /* 0.418453696 */, 17 }, + /* 3585 */ { MAD_F(0x06b29fbf) /* 0.418609378 */, 17 }, + /* 3586 */ { MAD_F(0x06b34302) /* 0.418765075 */, 17 }, + /* 3587 */ { MAD_F(0x06b3e648) /* 0.418920786 */, 17 }, + /* 3588 */ { MAD_F(0x06b48992) /* 0.419076511 */, 17 }, + /* 3589 */ { MAD_F(0x06b52ce0) /* 0.419232251 */, 17 }, + /* 3590 */ { MAD_F(0x06b5d032) /* 0.419388005 */, 17 }, + /* 3591 */ { MAD_F(0x06b67388) /* 0.419543774 */, 17 }, + /* 3592 */ { MAD_F(0x06b716e2) /* 0.419699557 */, 17 }, + /* 3593 */ { MAD_F(0x06b7ba3f) /* 0.419855355 */, 17 }, + /* 3594 */ { MAD_F(0x06b85da1) /* 0.420011167 */, 17 }, + /* 3595 */ { MAD_F(0x06b90106) /* 0.420166994 */, 17 }, + /* 3596 */ { MAD_F(0x06b9a470) /* 0.420322835 */, 17 }, + /* 3597 */ { MAD_F(0x06ba47dd) /* 0.420478690 */, 17 }, + /* 3598 */ { MAD_F(0x06baeb4e) /* 0.420634560 */, 17 }, + /* 3599 */ { MAD_F(0x06bb8ec3) /* 0.420790445 */, 17 }, + + /* 3600 */ { MAD_F(0x06bc323b) /* 0.420946343 */, 17 }, + /* 3601 */ { MAD_F(0x06bcd5b8) /* 0.421102257 */, 17 }, + /* 3602 */ { MAD_F(0x06bd7939) /* 0.421258184 */, 17 }, + /* 3603 */ { MAD_F(0x06be1cbd) /* 0.421414127 */, 17 }, + /* 3604 */ { MAD_F(0x06bec045) /* 0.421570083 */, 17 }, + /* 3605 */ { MAD_F(0x06bf63d1) /* 0.421726054 */, 17 }, + /* 3606 */ { MAD_F(0x06c00761) /* 0.421882040 */, 17 }, + /* 3607 */ { MAD_F(0x06c0aaf5) /* 0.422038039 */, 17 }, + /* 3608 */ { MAD_F(0x06c14e8d) /* 0.422194054 */, 17 }, + /* 3609 */ { MAD_F(0x06c1f229) /* 0.422350082 */, 17 }, + /* 3610 */ { MAD_F(0x06c295c8) /* 0.422506125 */, 17 }, + /* 3611 */ { MAD_F(0x06c3396c) /* 0.422662183 */, 17 }, + /* 3612 */ { MAD_F(0x06c3dd13) /* 0.422818255 */, 17 }, + /* 3613 */ { MAD_F(0x06c480be) /* 0.422974341 */, 17 }, + /* 3614 */ { MAD_F(0x06c5246d) /* 0.423130442 */, 17 }, + /* 3615 */ { MAD_F(0x06c5c820) /* 0.423286557 */, 17 }, + + /* 3616 */ { MAD_F(0x06c66bd6) /* 0.423442686 */, 17 }, + /* 3617 */ { MAD_F(0x06c70f91) /* 0.423598830 */, 17 }, + /* 3618 */ { MAD_F(0x06c7b34f) /* 0.423754988 */, 17 }, + /* 3619 */ { MAD_F(0x06c85712) /* 0.423911161 */, 17 }, + /* 3620 */ { MAD_F(0x06c8fad8) /* 0.424067348 */, 17 }, + /* 3621 */ { MAD_F(0x06c99ea2) /* 0.424223550 */, 17 }, + /* 3622 */ { MAD_F(0x06ca4270) /* 0.424379765 */, 17 }, + /* 3623 */ { MAD_F(0x06cae641) /* 0.424535996 */, 17 }, + /* 3624 */ { MAD_F(0x06cb8a17) /* 0.424692240 */, 17 }, + /* 3625 */ { MAD_F(0x06cc2df0) /* 0.424848499 */, 17 }, + /* 3626 */ { MAD_F(0x06ccd1ce) /* 0.425004772 */, 17 }, + /* 3627 */ { MAD_F(0x06cd75af) /* 0.425161060 */, 17 }, + /* 3628 */ { MAD_F(0x06ce1994) /* 0.425317362 */, 17 }, + /* 3629 */ { MAD_F(0x06cebd7d) /* 0.425473678 */, 17 }, + /* 3630 */ { MAD_F(0x06cf6169) /* 0.425630009 */, 17 }, + /* 3631 */ { MAD_F(0x06d0055a) /* 0.425786354 */, 17 }, + + /* 3632 */ { MAD_F(0x06d0a94e) /* 0.425942714 */, 17 }, + /* 3633 */ { MAD_F(0x06d14d47) /* 0.426099088 */, 17 }, + /* 3634 */ { MAD_F(0x06d1f143) /* 0.426255476 */, 17 }, + /* 3635 */ { MAD_F(0x06d29543) /* 0.426411878 */, 17 }, + /* 3636 */ { MAD_F(0x06d33947) /* 0.426568295 */, 17 }, + /* 3637 */ { MAD_F(0x06d3dd4e) /* 0.426724726 */, 17 }, + /* 3638 */ { MAD_F(0x06d4815a) /* 0.426881172 */, 17 }, + /* 3639 */ { MAD_F(0x06d52569) /* 0.427037632 */, 17 }, + /* 3640 */ { MAD_F(0x06d5c97c) /* 0.427194106 */, 17 }, + /* 3641 */ { MAD_F(0x06d66d93) /* 0.427350594 */, 17 }, + /* 3642 */ { MAD_F(0x06d711ae) /* 0.427507097 */, 17 }, + /* 3643 */ { MAD_F(0x06d7b5cd) /* 0.427663614 */, 17 }, + /* 3644 */ { MAD_F(0x06d859f0) /* 0.427820146 */, 17 }, + /* 3645 */ { MAD_F(0x06d8fe16) /* 0.427976692 */, 17 }, + /* 3646 */ { MAD_F(0x06d9a240) /* 0.428133252 */, 17 }, + /* 3647 */ { MAD_F(0x06da466f) /* 0.428289826 */, 17 }, + + /* 3648 */ { MAD_F(0x06daeaa1) /* 0.428446415 */, 17 }, + /* 3649 */ { MAD_F(0x06db8ed6) /* 0.428603018 */, 17 }, + /* 3650 */ { MAD_F(0x06dc3310) /* 0.428759635 */, 17 }, + /* 3651 */ { MAD_F(0x06dcd74d) /* 0.428916267 */, 17 }, + /* 3652 */ { MAD_F(0x06dd7b8f) /* 0.429072913 */, 17 }, + /* 3653 */ { MAD_F(0x06de1fd4) /* 0.429229573 */, 17 }, + /* 3654 */ { MAD_F(0x06dec41d) /* 0.429386248 */, 17 }, + /* 3655 */ { MAD_F(0x06df686a) /* 0.429542937 */, 17 }, + /* 3656 */ { MAD_F(0x06e00cbb) /* 0.429699640 */, 17 }, + /* 3657 */ { MAD_F(0x06e0b10f) /* 0.429856357 */, 17 }, + /* 3658 */ { MAD_F(0x06e15567) /* 0.430013089 */, 17 }, + /* 3659 */ { MAD_F(0x06e1f9c4) /* 0.430169835 */, 17 }, + /* 3660 */ { MAD_F(0x06e29e24) /* 0.430326595 */, 17 }, + /* 3661 */ { MAD_F(0x06e34287) /* 0.430483370 */, 17 }, + /* 3662 */ { MAD_F(0x06e3e6ef) /* 0.430640159 */, 17 }, + /* 3663 */ { MAD_F(0x06e48b5b) /* 0.430796962 */, 17 }, + + /* 3664 */ { MAD_F(0x06e52fca) /* 0.430953779 */, 17 }, + /* 3665 */ { MAD_F(0x06e5d43d) /* 0.431110611 */, 17 }, + /* 3666 */ { MAD_F(0x06e678b4) /* 0.431267457 */, 17 }, + /* 3667 */ { MAD_F(0x06e71d2f) /* 0.431424317 */, 17 }, + /* 3668 */ { MAD_F(0x06e7c1ae) /* 0.431581192 */, 17 }, + /* 3669 */ { MAD_F(0x06e86630) /* 0.431738080 */, 17 }, + /* 3670 */ { MAD_F(0x06e90ab7) /* 0.431894983 */, 17 }, + /* 3671 */ { MAD_F(0x06e9af41) /* 0.432051900 */, 17 }, + /* 3672 */ { MAD_F(0x06ea53cf) /* 0.432208832 */, 17 }, + /* 3673 */ { MAD_F(0x06eaf860) /* 0.432365778 */, 17 }, + /* 3674 */ { MAD_F(0x06eb9cf6) /* 0.432522737 */, 17 }, + /* 3675 */ { MAD_F(0x06ec418f) /* 0.432679712 */, 17 }, + /* 3676 */ { MAD_F(0x06ece62d) /* 0.432836700 */, 17 }, + /* 3677 */ { MAD_F(0x06ed8ace) /* 0.432993703 */, 17 }, + /* 3678 */ { MAD_F(0x06ee2f73) /* 0.433150720 */, 17 }, + /* 3679 */ { MAD_F(0x06eed41b) /* 0.433307751 */, 17 }, + + /* 3680 */ { MAD_F(0x06ef78c8) /* 0.433464796 */, 17 }, + /* 3681 */ { MAD_F(0x06f01d78) /* 0.433621856 */, 17 }, + /* 3682 */ { MAD_F(0x06f0c22c) /* 0.433778929 */, 17 }, + /* 3683 */ { MAD_F(0x06f166e4) /* 0.433936017 */, 17 }, + /* 3684 */ { MAD_F(0x06f20ba0) /* 0.434093120 */, 17 }, + /* 3685 */ { MAD_F(0x06f2b060) /* 0.434250236 */, 17 }, + /* 3686 */ { MAD_F(0x06f35523) /* 0.434407367 */, 17 }, + /* 3687 */ { MAD_F(0x06f3f9eb) /* 0.434564512 */, 17 }, + /* 3688 */ { MAD_F(0x06f49eb6) /* 0.434721671 */, 17 }, + /* 3689 */ { MAD_F(0x06f54385) /* 0.434878844 */, 17 }, + /* 3690 */ { MAD_F(0x06f5e857) /* 0.435036032 */, 17 }, + /* 3691 */ { MAD_F(0x06f68d2e) /* 0.435193233 */, 17 }, + /* 3692 */ { MAD_F(0x06f73208) /* 0.435350449 */, 17 }, + /* 3693 */ { MAD_F(0x06f7d6e6) /* 0.435507679 */, 17 }, + /* 3694 */ { MAD_F(0x06f87bc8) /* 0.435664924 */, 17 }, + /* 3695 */ { MAD_F(0x06f920ae) /* 0.435822182 */, 17 }, + + /* 3696 */ { MAD_F(0x06f9c597) /* 0.435979455 */, 17 }, + /* 3697 */ { MAD_F(0x06fa6a85) /* 0.436136741 */, 17 }, + /* 3698 */ { MAD_F(0x06fb0f76) /* 0.436294042 */, 17 }, + /* 3699 */ { MAD_F(0x06fbb46b) /* 0.436451358 */, 17 }, + /* 3700 */ { MAD_F(0x06fc5964) /* 0.436608687 */, 17 }, + /* 3701 */ { MAD_F(0x06fcfe60) /* 0.436766031 */, 17 }, + /* 3702 */ { MAD_F(0x06fda361) /* 0.436923388 */, 17 }, + /* 3703 */ { MAD_F(0x06fe4865) /* 0.437080760 */, 17 }, + /* 3704 */ { MAD_F(0x06feed6d) /* 0.437238146 */, 17 }, + /* 3705 */ { MAD_F(0x06ff9279) /* 0.437395547 */, 17 }, + /* 3706 */ { MAD_F(0x07003788) /* 0.437552961 */, 17 }, + /* 3707 */ { MAD_F(0x0700dc9c) /* 0.437710389 */, 17 }, + /* 3708 */ { MAD_F(0x070181b3) /* 0.437867832 */, 17 }, + /* 3709 */ { MAD_F(0x070226ce) /* 0.438025289 */, 17 }, + /* 3710 */ { MAD_F(0x0702cbed) /* 0.438182760 */, 17 }, + /* 3711 */ { MAD_F(0x0703710f) /* 0.438340245 */, 17 }, + + /* 3712 */ { MAD_F(0x07041636) /* 0.438497744 */, 17 }, + /* 3713 */ { MAD_F(0x0704bb60) /* 0.438655258 */, 17 }, + /* 3714 */ { MAD_F(0x0705608e) /* 0.438812785 */, 17 }, + /* 3715 */ { MAD_F(0x070605c0) /* 0.438970327 */, 17 }, + /* 3716 */ { MAD_F(0x0706aaf5) /* 0.439127883 */, 17 }, + /* 3717 */ { MAD_F(0x0707502f) /* 0.439285453 */, 17 }, + /* 3718 */ { MAD_F(0x0707f56c) /* 0.439443037 */, 17 }, + /* 3719 */ { MAD_F(0x07089aad) /* 0.439600635 */, 17 }, + /* 3720 */ { MAD_F(0x07093ff2) /* 0.439758248 */, 17 }, + /* 3721 */ { MAD_F(0x0709e53a) /* 0.439915874 */, 17 }, + /* 3722 */ { MAD_F(0x070a8a86) /* 0.440073515 */, 17 }, + /* 3723 */ { MAD_F(0x070b2fd7) /* 0.440231170 */, 17 }, + /* 3724 */ { MAD_F(0x070bd52a) /* 0.440388839 */, 17 }, + /* 3725 */ { MAD_F(0x070c7a82) /* 0.440546522 */, 17 }, + /* 3726 */ { MAD_F(0x070d1fde) /* 0.440704219 */, 17 }, + /* 3727 */ { MAD_F(0x070dc53d) /* 0.440861930 */, 17 }, + + /* 3728 */ { MAD_F(0x070e6aa0) /* 0.441019655 */, 17 }, + /* 3729 */ { MAD_F(0x070f1007) /* 0.441177395 */, 17 }, + /* 3730 */ { MAD_F(0x070fb571) /* 0.441335148 */, 17 }, + /* 3731 */ { MAD_F(0x07105ae0) /* 0.441492916 */, 17 }, + /* 3732 */ { MAD_F(0x07110052) /* 0.441650697 */, 17 }, + /* 3733 */ { MAD_F(0x0711a5c8) /* 0.441808493 */, 17 }, + /* 3734 */ { MAD_F(0x07124b42) /* 0.441966303 */, 17 }, + /* 3735 */ { MAD_F(0x0712f0bf) /* 0.442124127 */, 17 }, + /* 3736 */ { MAD_F(0x07139641) /* 0.442281965 */, 17 }, + /* 3737 */ { MAD_F(0x07143bc6) /* 0.442439817 */, 17 }, + /* 3738 */ { MAD_F(0x0714e14f) /* 0.442597683 */, 17 }, + /* 3739 */ { MAD_F(0x071586db) /* 0.442755564 */, 17 }, + /* 3740 */ { MAD_F(0x07162c6c) /* 0.442913458 */, 17 }, + /* 3741 */ { MAD_F(0x0716d200) /* 0.443071366 */, 17 }, + /* 3742 */ { MAD_F(0x07177798) /* 0.443229289 */, 17 }, + /* 3743 */ { MAD_F(0x07181d34) /* 0.443387226 */, 17 }, + + /* 3744 */ { MAD_F(0x0718c2d3) /* 0.443545176 */, 17 }, + /* 3745 */ { MAD_F(0x07196877) /* 0.443703141 */, 17 }, + /* 3746 */ { MAD_F(0x071a0e1e) /* 0.443861120 */, 17 }, + /* 3747 */ { MAD_F(0x071ab3c9) /* 0.444019113 */, 17 }, + /* 3748 */ { MAD_F(0x071b5977) /* 0.444177119 */, 17 }, + /* 3749 */ { MAD_F(0x071bff2a) /* 0.444335140 */, 17 }, + /* 3750 */ { MAD_F(0x071ca4e0) /* 0.444493175 */, 17 }, + /* 3751 */ { MAD_F(0x071d4a9a) /* 0.444651224 */, 17 }, + /* 3752 */ { MAD_F(0x071df058) /* 0.444809288 */, 17 }, + /* 3753 */ { MAD_F(0x071e9619) /* 0.444967365 */, 17 }, + /* 3754 */ { MAD_F(0x071f3bde) /* 0.445125456 */, 17 }, + /* 3755 */ { MAD_F(0x071fe1a8) /* 0.445283561 */, 17 }, + /* 3756 */ { MAD_F(0x07208774) /* 0.445441680 */, 17 }, + /* 3757 */ { MAD_F(0x07212d45) /* 0.445599814 */, 17 }, + /* 3758 */ { MAD_F(0x0721d319) /* 0.445757961 */, 17 }, + /* 3759 */ { MAD_F(0x072278f1) /* 0.445916122 */, 17 }, + + /* 3760 */ { MAD_F(0x07231ecd) /* 0.446074298 */, 17 }, + /* 3761 */ { MAD_F(0x0723c4ad) /* 0.446232487 */, 17 }, + /* 3762 */ { MAD_F(0x07246a90) /* 0.446390690 */, 17 }, + /* 3763 */ { MAD_F(0x07251077) /* 0.446548908 */, 17 }, + /* 3764 */ { MAD_F(0x0725b662) /* 0.446707139 */, 17 }, + /* 3765 */ { MAD_F(0x07265c51) /* 0.446865385 */, 17 }, + /* 3766 */ { MAD_F(0x07270244) /* 0.447023644 */, 17 }, + /* 3767 */ { MAD_F(0x0727a83a) /* 0.447181918 */, 17 }, + /* 3768 */ { MAD_F(0x07284e34) /* 0.447340205 */, 17 }, + /* 3769 */ { MAD_F(0x0728f431) /* 0.447498507 */, 17 }, + /* 3770 */ { MAD_F(0x07299a33) /* 0.447656822 */, 17 }, + /* 3771 */ { MAD_F(0x072a4038) /* 0.447815152 */, 17 }, + /* 3772 */ { MAD_F(0x072ae641) /* 0.447973495 */, 17 }, + /* 3773 */ { MAD_F(0x072b8c4e) /* 0.448131853 */, 17 }, + /* 3774 */ { MAD_F(0x072c325e) /* 0.448290224 */, 17 }, + /* 3775 */ { MAD_F(0x072cd873) /* 0.448448609 */, 17 }, + + /* 3776 */ { MAD_F(0x072d7e8b) /* 0.448607009 */, 17 }, + /* 3777 */ { MAD_F(0x072e24a7) /* 0.448765422 */, 17 }, + /* 3778 */ { MAD_F(0x072ecac6) /* 0.448923850 */, 17 }, + /* 3779 */ { MAD_F(0x072f70e9) /* 0.449082291 */, 17 }, + /* 3780 */ { MAD_F(0x07301710) /* 0.449240746 */, 17 }, + /* 3781 */ { MAD_F(0x0730bd3b) /* 0.449399216 */, 17 }, + /* 3782 */ { MAD_F(0x0731636a) /* 0.449557699 */, 17 }, + /* 3783 */ { MAD_F(0x0732099c) /* 0.449716196 */, 17 }, + /* 3784 */ { MAD_F(0x0732afd2) /* 0.449874708 */, 17 }, + /* 3785 */ { MAD_F(0x0733560c) /* 0.450033233 */, 17 }, + /* 3786 */ { MAD_F(0x0733fc49) /* 0.450191772 */, 17 }, + /* 3787 */ { MAD_F(0x0734a28b) /* 0.450350325 */, 17 }, + /* 3788 */ { MAD_F(0x073548d0) /* 0.450508892 */, 17 }, + /* 3789 */ { MAD_F(0x0735ef18) /* 0.450667473 */, 17 }, + /* 3790 */ { MAD_F(0x07369565) /* 0.450826068 */, 17 }, + /* 3791 */ { MAD_F(0x07373bb5) /* 0.450984677 */, 17 }, + + /* 3792 */ { MAD_F(0x0737e209) /* 0.451143300 */, 17 }, + /* 3793 */ { MAD_F(0x07388861) /* 0.451301937 */, 17 }, + /* 3794 */ { MAD_F(0x07392ebc) /* 0.451460588 */, 17 }, + /* 3795 */ { MAD_F(0x0739d51c) /* 0.451619252 */, 17 }, + /* 3796 */ { MAD_F(0x073a7b7f) /* 0.451777931 */, 17 }, + /* 3797 */ { MAD_F(0x073b21e5) /* 0.451936623 */, 17 }, + /* 3798 */ { MAD_F(0x073bc850) /* 0.452095330 */, 17 }, + /* 3799 */ { MAD_F(0x073c6ebe) /* 0.452254050 */, 17 }, + /* 3800 */ { MAD_F(0x073d1530) /* 0.452412785 */, 17 }, + /* 3801 */ { MAD_F(0x073dbba6) /* 0.452571533 */, 17 }, + /* 3802 */ { MAD_F(0x073e621f) /* 0.452730295 */, 17 }, + /* 3803 */ { MAD_F(0x073f089c) /* 0.452889071 */, 17 }, + /* 3804 */ { MAD_F(0x073faf1d) /* 0.453047861 */, 17 }, + /* 3805 */ { MAD_F(0x074055a2) /* 0.453206665 */, 17 }, + /* 3806 */ { MAD_F(0x0740fc2a) /* 0.453365483 */, 17 }, + /* 3807 */ { MAD_F(0x0741a2b6) /* 0.453524315 */, 17 }, + + /* 3808 */ { MAD_F(0x07424946) /* 0.453683161 */, 17 }, + /* 3809 */ { MAD_F(0x0742efd9) /* 0.453842020 */, 17 }, + /* 3810 */ { MAD_F(0x07439671) /* 0.454000894 */, 17 }, + /* 3811 */ { MAD_F(0x07443d0c) /* 0.454159781 */, 17 }, + /* 3812 */ { MAD_F(0x0744e3aa) /* 0.454318683 */, 17 }, + /* 3813 */ { MAD_F(0x07458a4d) /* 0.454477598 */, 17 }, + /* 3814 */ { MAD_F(0x074630f3) /* 0.454636527 */, 17 }, + /* 3815 */ { MAD_F(0x0746d79d) /* 0.454795470 */, 17 }, + /* 3816 */ { MAD_F(0x07477e4b) /* 0.454954427 */, 17 }, + /* 3817 */ { MAD_F(0x074824fc) /* 0.455113397 */, 17 }, + /* 3818 */ { MAD_F(0x0748cbb1) /* 0.455272382 */, 17 }, + /* 3819 */ { MAD_F(0x0749726a) /* 0.455431381 */, 17 }, + /* 3820 */ { MAD_F(0x074a1927) /* 0.455590393 */, 17 }, + /* 3821 */ { MAD_F(0x074abfe7) /* 0.455749419 */, 17 }, + /* 3822 */ { MAD_F(0x074b66ab) /* 0.455908459 */, 17 }, + /* 3823 */ { MAD_F(0x074c0d73) /* 0.456067513 */, 17 }, + + /* 3824 */ { MAD_F(0x074cb43e) /* 0.456226581 */, 17 }, + /* 3825 */ { MAD_F(0x074d5b0d) /* 0.456385663 */, 17 }, + /* 3826 */ { MAD_F(0x074e01e0) /* 0.456544759 */, 17 }, + /* 3827 */ { MAD_F(0x074ea8b7) /* 0.456703868 */, 17 }, + /* 3828 */ { MAD_F(0x074f4f91) /* 0.456862992 */, 17 }, + /* 3829 */ { MAD_F(0x074ff66f) /* 0.457022129 */, 17 }, + /* 3830 */ { MAD_F(0x07509d51) /* 0.457181280 */, 17 }, + /* 3831 */ { MAD_F(0x07514437) /* 0.457340445 */, 17 }, + /* 3832 */ { MAD_F(0x0751eb20) /* 0.457499623 */, 17 }, + /* 3833 */ { MAD_F(0x0752920d) /* 0.457658816 */, 17 }, + /* 3834 */ { MAD_F(0x075338fd) /* 0.457818022 */, 17 }, + /* 3835 */ { MAD_F(0x0753dff2) /* 0.457977243 */, 17 }, + /* 3836 */ { MAD_F(0x075486ea) /* 0.458136477 */, 17 }, + /* 3837 */ { MAD_F(0x07552de6) /* 0.458295725 */, 17 }, + /* 3838 */ { MAD_F(0x0755d4e5) /* 0.458454987 */, 17 }, + /* 3839 */ { MAD_F(0x07567be8) /* 0.458614262 */, 17 }, + + /* 3840 */ { MAD_F(0x075722ef) /* 0.458773552 */, 17 }, + /* 3841 */ { MAD_F(0x0757c9fa) /* 0.458932855 */, 17 }, + /* 3842 */ { MAD_F(0x07587108) /* 0.459092172 */, 17 }, + /* 3843 */ { MAD_F(0x0759181a) /* 0.459251503 */, 17 }, + /* 3844 */ { MAD_F(0x0759bf30) /* 0.459410848 */, 17 }, + /* 3845 */ { MAD_F(0x075a664a) /* 0.459570206 */, 17 }, + /* 3846 */ { MAD_F(0x075b0d67) /* 0.459729579 */, 17 }, + /* 3847 */ { MAD_F(0x075bb488) /* 0.459888965 */, 17 }, + /* 3848 */ { MAD_F(0x075c5bac) /* 0.460048365 */, 17 }, + /* 3849 */ { MAD_F(0x075d02d5) /* 0.460207779 */, 17 }, + /* 3850 */ { MAD_F(0x075daa01) /* 0.460367206 */, 17 }, + /* 3851 */ { MAD_F(0x075e5130) /* 0.460526648 */, 17 }, + /* 3852 */ { MAD_F(0x075ef864) /* 0.460686103 */, 17 }, + /* 3853 */ { MAD_F(0x075f9f9b) /* 0.460845572 */, 17 }, + /* 3854 */ { MAD_F(0x076046d6) /* 0.461005055 */, 17 }, + /* 3855 */ { MAD_F(0x0760ee14) /* 0.461164552 */, 17 }, + + /* 3856 */ { MAD_F(0x07619557) /* 0.461324062 */, 17 }, + /* 3857 */ { MAD_F(0x07623c9d) /* 0.461483586 */, 17 }, + /* 3858 */ { MAD_F(0x0762e3e6) /* 0.461643124 */, 17 }, + /* 3859 */ { MAD_F(0x07638b34) /* 0.461802676 */, 17 }, + /* 3860 */ { MAD_F(0x07643285) /* 0.461962242 */, 17 }, + /* 3861 */ { MAD_F(0x0764d9d9) /* 0.462121821 */, 17 }, + /* 3862 */ { MAD_F(0x07658132) /* 0.462281414 */, 17 }, + /* 3863 */ { MAD_F(0x0766288e) /* 0.462441021 */, 17 }, + /* 3864 */ { MAD_F(0x0766cfee) /* 0.462600642 */, 17 }, + /* 3865 */ { MAD_F(0x07677751) /* 0.462760276 */, 17 }, + /* 3866 */ { MAD_F(0x07681eb9) /* 0.462919924 */, 17 }, + /* 3867 */ { MAD_F(0x0768c624) /* 0.463079586 */, 17 }, + /* 3868 */ { MAD_F(0x07696d92) /* 0.463239262 */, 17 }, + /* 3869 */ { MAD_F(0x076a1505) /* 0.463398951 */, 17 }, + /* 3870 */ { MAD_F(0x076abc7b) /* 0.463558655 */, 17 }, + /* 3871 */ { MAD_F(0x076b63f4) /* 0.463718372 */, 17 }, + + /* 3872 */ { MAD_F(0x076c0b72) /* 0.463878102 */, 17 }, + /* 3873 */ { MAD_F(0x076cb2f3) /* 0.464037847 */, 17 }, + /* 3874 */ { MAD_F(0x076d5a78) /* 0.464197605 */, 17 }, + /* 3875 */ { MAD_F(0x076e0200) /* 0.464357377 */, 17 }, + /* 3876 */ { MAD_F(0x076ea98c) /* 0.464517163 */, 17 }, + /* 3877 */ { MAD_F(0x076f511c) /* 0.464676962 */, 17 }, + /* 3878 */ { MAD_F(0x076ff8b0) /* 0.464836776 */, 17 }, + /* 3879 */ { MAD_F(0x0770a047) /* 0.464996603 */, 17 }, + /* 3880 */ { MAD_F(0x077147e2) /* 0.465156443 */, 17 }, + /* 3881 */ { MAD_F(0x0771ef80) /* 0.465316298 */, 17 }, + /* 3882 */ { MAD_F(0x07729723) /* 0.465476166 */, 17 }, + /* 3883 */ { MAD_F(0x07733ec9) /* 0.465636048 */, 17 }, + /* 3884 */ { MAD_F(0x0773e672) /* 0.465795943 */, 17 }, + /* 3885 */ { MAD_F(0x07748e20) /* 0.465955853 */, 17 }, + /* 3886 */ { MAD_F(0x077535d1) /* 0.466115776 */, 17 }, + /* 3887 */ { MAD_F(0x0775dd85) /* 0.466275713 */, 17 }, + + /* 3888 */ { MAD_F(0x0776853e) /* 0.466435663 */, 17 }, + /* 3889 */ { MAD_F(0x07772cfa) /* 0.466595627 */, 17 }, + /* 3890 */ { MAD_F(0x0777d4ba) /* 0.466755605 */, 17 }, + /* 3891 */ { MAD_F(0x07787c7d) /* 0.466915597 */, 17 }, + /* 3892 */ { MAD_F(0x07792444) /* 0.467075602 */, 17 }, + /* 3893 */ { MAD_F(0x0779cc0f) /* 0.467235621 */, 17 }, + /* 3894 */ { MAD_F(0x077a73dd) /* 0.467395654 */, 17 }, + /* 3895 */ { MAD_F(0x077b1baf) /* 0.467555701 */, 17 }, + /* 3896 */ { MAD_F(0x077bc385) /* 0.467715761 */, 17 }, + /* 3897 */ { MAD_F(0x077c6b5f) /* 0.467875835 */, 17 }, + /* 3898 */ { MAD_F(0x077d133c) /* 0.468035922 */, 17 }, + /* 3899 */ { MAD_F(0x077dbb1d) /* 0.468196023 */, 17 }, + /* 3900 */ { MAD_F(0x077e6301) /* 0.468356138 */, 17 }, + /* 3901 */ { MAD_F(0x077f0ae9) /* 0.468516267 */, 17 }, + /* 3902 */ { MAD_F(0x077fb2d5) /* 0.468676409 */, 17 }, + /* 3903 */ { MAD_F(0x07805ac5) /* 0.468836565 */, 17 }, + + /* 3904 */ { MAD_F(0x078102b8) /* 0.468996735 */, 17 }, + /* 3905 */ { MAD_F(0x0781aaaf) /* 0.469156918 */, 17 }, + /* 3906 */ { MAD_F(0x078252aa) /* 0.469317115 */, 17 }, + /* 3907 */ { MAD_F(0x0782faa8) /* 0.469477326 */, 17 }, + /* 3908 */ { MAD_F(0x0783a2aa) /* 0.469637550 */, 17 }, + /* 3909 */ { MAD_F(0x07844aaf) /* 0.469797788 */, 17 }, + /* 3910 */ { MAD_F(0x0784f2b8) /* 0.469958040 */, 17 }, + /* 3911 */ { MAD_F(0x07859ac5) /* 0.470118305 */, 17 }, + /* 3912 */ { MAD_F(0x078642d6) /* 0.470278584 */, 17 }, + /* 3913 */ { MAD_F(0x0786eaea) /* 0.470438877 */, 17 }, + /* 3914 */ { MAD_F(0x07879302) /* 0.470599183 */, 17 }, + /* 3915 */ { MAD_F(0x07883b1e) /* 0.470759503 */, 17 }, + /* 3916 */ { MAD_F(0x0788e33d) /* 0.470919836 */, 17 }, + /* 3917 */ { MAD_F(0x07898b60) /* 0.471080184 */, 17 }, + /* 3918 */ { MAD_F(0x078a3386) /* 0.471240545 */, 17 }, + /* 3919 */ { MAD_F(0x078adbb0) /* 0.471400919 */, 17 }, + + /* 3920 */ { MAD_F(0x078b83de) /* 0.471561307 */, 17 }, + /* 3921 */ { MAD_F(0x078c2c10) /* 0.471721709 */, 17 }, + /* 3922 */ { MAD_F(0x078cd445) /* 0.471882125 */, 17 }, + /* 3923 */ { MAD_F(0x078d7c7e) /* 0.472042554 */, 17 }, + /* 3924 */ { MAD_F(0x078e24ba) /* 0.472202996 */, 17 }, + /* 3925 */ { MAD_F(0x078eccfb) /* 0.472363453 */, 17 }, + /* 3926 */ { MAD_F(0x078f753e) /* 0.472523923 */, 17 }, + /* 3927 */ { MAD_F(0x07901d86) /* 0.472684406 */, 17 }, + /* 3928 */ { MAD_F(0x0790c5d1) /* 0.472844904 */, 17 }, + /* 3929 */ { MAD_F(0x07916e20) /* 0.473005414 */, 17 }, + /* 3930 */ { MAD_F(0x07921672) /* 0.473165939 */, 17 }, + /* 3931 */ { MAD_F(0x0792bec8) /* 0.473326477 */, 17 }, + /* 3932 */ { MAD_F(0x07936722) /* 0.473487029 */, 17 }, + /* 3933 */ { MAD_F(0x07940f80) /* 0.473647594 */, 17 }, + /* 3934 */ { MAD_F(0x0794b7e1) /* 0.473808173 */, 17 }, + /* 3935 */ { MAD_F(0x07956045) /* 0.473968765 */, 17 }, + + /* 3936 */ { MAD_F(0x079608ae) /* 0.474129372 */, 17 }, + /* 3937 */ { MAD_F(0x0796b11a) /* 0.474289991 */, 17 }, + /* 3938 */ { MAD_F(0x0797598a) /* 0.474450625 */, 17 }, + /* 3939 */ { MAD_F(0x079801fd) /* 0.474611272 */, 17 }, + /* 3940 */ { MAD_F(0x0798aa74) /* 0.474771932 */, 17 }, + /* 3941 */ { MAD_F(0x079952ee) /* 0.474932606 */, 17 }, + /* 3942 */ { MAD_F(0x0799fb6d) /* 0.475093294 */, 17 }, + /* 3943 */ { MAD_F(0x079aa3ef) /* 0.475253995 */, 17 }, + /* 3944 */ { MAD_F(0x079b4c74) /* 0.475414710 */, 17 }, + /* 3945 */ { MAD_F(0x079bf4fd) /* 0.475575439 */, 17 }, + /* 3946 */ { MAD_F(0x079c9d8a) /* 0.475736181 */, 17 }, + /* 3947 */ { MAD_F(0x079d461b) /* 0.475896936 */, 17 }, + /* 3948 */ { MAD_F(0x079deeaf) /* 0.476057705 */, 17 }, + /* 3949 */ { MAD_F(0x079e9747) /* 0.476218488 */, 17 }, + /* 3950 */ { MAD_F(0x079f3fe2) /* 0.476379285 */, 17 }, + /* 3951 */ { MAD_F(0x079fe881) /* 0.476540095 */, 17 }, + + /* 3952 */ { MAD_F(0x07a09124) /* 0.476700918 */, 17 }, + /* 3953 */ { MAD_F(0x07a139ca) /* 0.476861755 */, 17 }, + /* 3954 */ { MAD_F(0x07a1e274) /* 0.477022606 */, 17 }, + /* 3955 */ { MAD_F(0x07a28b22) /* 0.477183470 */, 17 }, + /* 3956 */ { MAD_F(0x07a333d3) /* 0.477344348 */, 17 }, + /* 3957 */ { MAD_F(0x07a3dc88) /* 0.477505239 */, 17 }, + /* 3958 */ { MAD_F(0x07a48541) /* 0.477666144 */, 17 }, + /* 3959 */ { MAD_F(0x07a52dfd) /* 0.477827062 */, 17 }, + /* 3960 */ { MAD_F(0x07a5d6bd) /* 0.477987994 */, 17 }, + /* 3961 */ { MAD_F(0x07a67f80) /* 0.478148940 */, 17 }, + /* 3962 */ { MAD_F(0x07a72847) /* 0.478309899 */, 17 }, + /* 3963 */ { MAD_F(0x07a7d112) /* 0.478470871 */, 17 }, + /* 3964 */ { MAD_F(0x07a879e1) /* 0.478631857 */, 17 }, + /* 3965 */ { MAD_F(0x07a922b3) /* 0.478792857 */, 17 }, + /* 3966 */ { MAD_F(0x07a9cb88) /* 0.478953870 */, 17 }, + /* 3967 */ { MAD_F(0x07aa7462) /* 0.479114897 */, 17 }, + + /* 3968 */ { MAD_F(0x07ab1d3e) /* 0.479275937 */, 17 }, + /* 3969 */ { MAD_F(0x07abc61f) /* 0.479436991 */, 17 }, + /* 3970 */ { MAD_F(0x07ac6f03) /* 0.479598058 */, 17 }, + /* 3971 */ { MAD_F(0x07ad17eb) /* 0.479759139 */, 17 }, + /* 3972 */ { MAD_F(0x07adc0d6) /* 0.479920233 */, 17 }, + /* 3973 */ { MAD_F(0x07ae69c6) /* 0.480081341 */, 17 }, + /* 3974 */ { MAD_F(0x07af12b8) /* 0.480242463 */, 17 }, + /* 3975 */ { MAD_F(0x07afbbaf) /* 0.480403598 */, 17 }, + /* 3976 */ { MAD_F(0x07b064a8) /* 0.480564746 */, 17 }, + /* 3977 */ { MAD_F(0x07b10da6) /* 0.480725908 */, 17 }, + /* 3978 */ { MAD_F(0x07b1b6a7) /* 0.480887083 */, 17 }, + /* 3979 */ { MAD_F(0x07b25fac) /* 0.481048272 */, 17 }, + /* 3980 */ { MAD_F(0x07b308b5) /* 0.481209475 */, 17 }, + /* 3981 */ { MAD_F(0x07b3b1c1) /* 0.481370691 */, 17 }, + /* 3982 */ { MAD_F(0x07b45ad0) /* 0.481531920 */, 17 }, + /* 3983 */ { MAD_F(0x07b503e4) /* 0.481693163 */, 17 }, + + /* 3984 */ { MAD_F(0x07b5acfb) /* 0.481854420 */, 17 }, + /* 3985 */ { MAD_F(0x07b65615) /* 0.482015690 */, 17 }, + /* 3986 */ { MAD_F(0x07b6ff33) /* 0.482176973 */, 17 }, + /* 3987 */ { MAD_F(0x07b7a855) /* 0.482338270 */, 17 }, + /* 3988 */ { MAD_F(0x07b8517b) /* 0.482499580 */, 17 }, + /* 3989 */ { MAD_F(0x07b8faa4) /* 0.482660904 */, 17 }, + /* 3990 */ { MAD_F(0x07b9a3d0) /* 0.482822242 */, 17 }, + /* 3991 */ { MAD_F(0x07ba4d01) /* 0.482983592 */, 17 }, + /* 3992 */ { MAD_F(0x07baf635) /* 0.483144957 */, 17 }, + /* 3993 */ { MAD_F(0x07bb9f6c) /* 0.483306335 */, 17 }, + /* 3994 */ { MAD_F(0x07bc48a7) /* 0.483467726 */, 17 }, + /* 3995 */ { MAD_F(0x07bcf1e6) /* 0.483629131 */, 17 }, + /* 3996 */ { MAD_F(0x07bd9b28) /* 0.483790549 */, 17 }, + /* 3997 */ { MAD_F(0x07be446e) /* 0.483951980 */, 17 }, + /* 3998 */ { MAD_F(0x07beedb8) /* 0.484113426 */, 17 }, + /* 3999 */ { MAD_F(0x07bf9705) /* 0.484274884 */, 17 }, + + /* 4000 */ { MAD_F(0x07c04056) /* 0.484436356 */, 17 }, + /* 4001 */ { MAD_F(0x07c0e9aa) /* 0.484597842 */, 17 }, + /* 4002 */ { MAD_F(0x07c19302) /* 0.484759341 */, 17 }, + /* 4003 */ { MAD_F(0x07c23c5e) /* 0.484920853 */, 17 }, + /* 4004 */ { MAD_F(0x07c2e5bd) /* 0.485082379 */, 17 }, + /* 4005 */ { MAD_F(0x07c38f20) /* 0.485243918 */, 17 }, + /* 4006 */ { MAD_F(0x07c43887) /* 0.485405471 */, 17 }, + /* 4007 */ { MAD_F(0x07c4e1f1) /* 0.485567037 */, 17 }, + /* 4008 */ { MAD_F(0x07c58b5f) /* 0.485728617 */, 17 }, + /* 4009 */ { MAD_F(0x07c634d0) /* 0.485890210 */, 17 }, + /* 4010 */ { MAD_F(0x07c6de45) /* 0.486051817 */, 17 }, + /* 4011 */ { MAD_F(0x07c787bd) /* 0.486213436 */, 17 }, + /* 4012 */ { MAD_F(0x07c83139) /* 0.486375070 */, 17 }, + /* 4013 */ { MAD_F(0x07c8dab9) /* 0.486536717 */, 17 }, + /* 4014 */ { MAD_F(0x07c9843c) /* 0.486698377 */, 17 }, + /* 4015 */ { MAD_F(0x07ca2dc3) /* 0.486860051 */, 17 }, + + /* 4016 */ { MAD_F(0x07cad74e) /* 0.487021738 */, 17 }, + /* 4017 */ { MAD_F(0x07cb80dc) /* 0.487183438 */, 17 }, + /* 4018 */ { MAD_F(0x07cc2a6e) /* 0.487345152 */, 17 }, + /* 4019 */ { MAD_F(0x07ccd403) /* 0.487506879 */, 17 }, + /* 4020 */ { MAD_F(0x07cd7d9c) /* 0.487668620 */, 17 }, + /* 4021 */ { MAD_F(0x07ce2739) /* 0.487830374 */, 17 }, + /* 4022 */ { MAD_F(0x07ced0d9) /* 0.487992142 */, 17 }, + /* 4023 */ { MAD_F(0x07cf7a7d) /* 0.488153923 */, 17 }, + /* 4024 */ { MAD_F(0x07d02424) /* 0.488315717 */, 17 }, + /* 4025 */ { MAD_F(0x07d0cdcf) /* 0.488477525 */, 17 }, + /* 4026 */ { MAD_F(0x07d1777e) /* 0.488639346 */, 17 }, + /* 4027 */ { MAD_F(0x07d22130) /* 0.488801181 */, 17 }, + /* 4028 */ { MAD_F(0x07d2cae5) /* 0.488963029 */, 17 }, + /* 4029 */ { MAD_F(0x07d3749f) /* 0.489124890 */, 17 }, + /* 4030 */ { MAD_F(0x07d41e5c) /* 0.489286765 */, 17 }, + /* 4031 */ { MAD_F(0x07d4c81c) /* 0.489448653 */, 17 }, + + /* 4032 */ { MAD_F(0x07d571e0) /* 0.489610555 */, 17 }, + /* 4033 */ { MAD_F(0x07d61ba8) /* 0.489772470 */, 17 }, + /* 4034 */ { MAD_F(0x07d6c573) /* 0.489934398 */, 17 }, + /* 4035 */ { MAD_F(0x07d76f42) /* 0.490096340 */, 17 }, + /* 4036 */ { MAD_F(0x07d81915) /* 0.490258295 */, 17 }, + /* 4037 */ { MAD_F(0x07d8c2eb) /* 0.490420263 */, 17 }, + /* 4038 */ { MAD_F(0x07d96cc4) /* 0.490582245 */, 17 }, + /* 4039 */ { MAD_F(0x07da16a2) /* 0.490744240 */, 17 }, + /* 4040 */ { MAD_F(0x07dac083) /* 0.490906249 */, 17 }, + /* 4041 */ { MAD_F(0x07db6a67) /* 0.491068271 */, 17 }, + /* 4042 */ { MAD_F(0x07dc144f) /* 0.491230306 */, 17 }, + /* 4043 */ { MAD_F(0x07dcbe3b) /* 0.491392355 */, 17 }, + /* 4044 */ { MAD_F(0x07dd682a) /* 0.491554417 */, 17 }, + /* 4045 */ { MAD_F(0x07de121d) /* 0.491716492 */, 17 }, + /* 4046 */ { MAD_F(0x07debc13) /* 0.491878581 */, 17 }, + /* 4047 */ { MAD_F(0x07df660d) /* 0.492040683 */, 17 }, + + /* 4048 */ { MAD_F(0x07e0100a) /* 0.492202799 */, 17 }, + /* 4049 */ { MAD_F(0x07e0ba0c) /* 0.492364928 */, 17 }, + /* 4050 */ { MAD_F(0x07e16410) /* 0.492527070 */, 17 }, + /* 4051 */ { MAD_F(0x07e20e19) /* 0.492689225 */, 17 }, + /* 4052 */ { MAD_F(0x07e2b824) /* 0.492851394 */, 17 }, + /* 4053 */ { MAD_F(0x07e36234) /* 0.493013576 */, 17 }, + /* 4054 */ { MAD_F(0x07e40c47) /* 0.493175772 */, 17 }, + /* 4055 */ { MAD_F(0x07e4b65e) /* 0.493337981 */, 17 }, + /* 4056 */ { MAD_F(0x07e56078) /* 0.493500203 */, 17 }, + /* 4057 */ { MAD_F(0x07e60a95) /* 0.493662438 */, 17 }, + /* 4058 */ { MAD_F(0x07e6b4b7) /* 0.493824687 */, 17 }, + /* 4059 */ { MAD_F(0x07e75edc) /* 0.493986949 */, 17 }, + /* 4060 */ { MAD_F(0x07e80904) /* 0.494149225 */, 17 }, + /* 4061 */ { MAD_F(0x07e8b330) /* 0.494311514 */, 17 }, + /* 4062 */ { MAD_F(0x07e95d60) /* 0.494473816 */, 17 }, + /* 4063 */ { MAD_F(0x07ea0793) /* 0.494636131 */, 17 }, + + /* 4064 */ { MAD_F(0x07eab1ca) /* 0.494798460 */, 17 }, + /* 4065 */ { MAD_F(0x07eb5c04) /* 0.494960802 */, 17 }, + /* 4066 */ { MAD_F(0x07ec0642) /* 0.495123158 */, 17 }, + /* 4067 */ { MAD_F(0x07ecb084) /* 0.495285526 */, 17 }, + /* 4068 */ { MAD_F(0x07ed5ac9) /* 0.495447908 */, 17 }, + /* 4069 */ { MAD_F(0x07ee0512) /* 0.495610304 */, 17 }, + /* 4070 */ { MAD_F(0x07eeaf5e) /* 0.495772712 */, 17 }, + /* 4071 */ { MAD_F(0x07ef59ae) /* 0.495935134 */, 17 }, + /* 4072 */ { MAD_F(0x07f00401) /* 0.496097570 */, 17 }, + /* 4073 */ { MAD_F(0x07f0ae58) /* 0.496260018 */, 17 }, + /* 4074 */ { MAD_F(0x07f158b3) /* 0.496422480 */, 17 }, + /* 4075 */ { MAD_F(0x07f20311) /* 0.496584955 */, 17 }, + /* 4076 */ { MAD_F(0x07f2ad72) /* 0.496747444 */, 17 }, + /* 4077 */ { MAD_F(0x07f357d8) /* 0.496909945 */, 17 }, + /* 4078 */ { MAD_F(0x07f40240) /* 0.497072460 */, 17 }, + /* 4079 */ { MAD_F(0x07f4acad) /* 0.497234989 */, 17 }, + + /* 4080 */ { MAD_F(0x07f5571d) /* 0.497397530 */, 17 }, + /* 4081 */ { MAD_F(0x07f60190) /* 0.497560085 */, 17 }, + /* 4082 */ { MAD_F(0x07f6ac07) /* 0.497722653 */, 17 }, + /* 4083 */ { MAD_F(0x07f75682) /* 0.497885235 */, 17 }, + /* 4084 */ { MAD_F(0x07f80100) /* 0.498047829 */, 17 }, + /* 4085 */ { MAD_F(0x07f8ab82) /* 0.498210437 */, 17 }, + /* 4086 */ { MAD_F(0x07f95607) /* 0.498373058 */, 17 }, + /* 4087 */ { MAD_F(0x07fa0090) /* 0.498535693 */, 17 }, + /* 4088 */ { MAD_F(0x07faab1c) /* 0.498698341 */, 17 }, + /* 4089 */ { MAD_F(0x07fb55ac) /* 0.498861002 */, 17 }, + /* 4090 */ { MAD_F(0x07fc0040) /* 0.499023676 */, 17 }, + /* 4091 */ { MAD_F(0x07fcaad7) /* 0.499186364 */, 17 }, + /* 4092 */ { MAD_F(0x07fd5572) /* 0.499349064 */, 17 }, + /* 4093 */ { MAD_F(0x07fe0010) /* 0.499511778 */, 17 }, + /* 4094 */ { MAD_F(0x07feaab2) /* 0.499674506 */, 17 }, + /* 4095 */ { MAD_F(0x07ff5557) /* 0.499837246 */, 17 }, + + /* 4096 */ { MAD_F(0x04000000) /* 0.250000000 */, 18 }, + /* 4097 */ { MAD_F(0x04005556) /* 0.250081384 */, 18 }, + /* 4098 */ { MAD_F(0x0400aaae) /* 0.250162774 */, 18 }, + /* 4099 */ { MAD_F(0x04010008) /* 0.250244170 */, 18 }, + /* 4100 */ { MAD_F(0x04015563) /* 0.250325574 */, 18 }, + /* 4101 */ { MAD_F(0x0401aac1) /* 0.250406984 */, 18 }, + /* 4102 */ { MAD_F(0x04020020) /* 0.250488400 */, 18 }, + /* 4103 */ { MAD_F(0x04025581) /* 0.250569824 */, 18 }, + /* 4104 */ { MAD_F(0x0402aae3) /* 0.250651254 */, 18 }, + /* 4105 */ { MAD_F(0x04030048) /* 0.250732690 */, 18 }, + /* 4106 */ { MAD_F(0x040355ae) /* 0.250814133 */, 18 }, + /* 4107 */ { MAD_F(0x0403ab16) /* 0.250895583 */, 18 }, + /* 4108 */ { MAD_F(0x04040080) /* 0.250977039 */, 18 }, + /* 4109 */ { MAD_F(0x040455eb) /* 0.251058502 */, 18 }, + /* 4110 */ { MAD_F(0x0404ab59) /* 0.251139971 */, 18 }, + /* 4111 */ { MAD_F(0x040500c8) /* 0.251221448 */, 18 }, + + /* 4112 */ { MAD_F(0x04055638) /* 0.251302930 */, 18 }, + /* 4113 */ { MAD_F(0x0405abab) /* 0.251384420 */, 18 }, + /* 4114 */ { MAD_F(0x0406011f) /* 0.251465916 */, 18 }, + /* 4115 */ { MAD_F(0x04065696) /* 0.251547418 */, 18 }, + /* 4116 */ { MAD_F(0x0406ac0e) /* 0.251628927 */, 18 }, + /* 4117 */ { MAD_F(0x04070187) /* 0.251710443 */, 18 }, + /* 4118 */ { MAD_F(0x04075703) /* 0.251791965 */, 18 }, + /* 4119 */ { MAD_F(0x0407ac80) /* 0.251873494 */, 18 }, + /* 4120 */ { MAD_F(0x040801ff) /* 0.251955030 */, 18 }, + /* 4121 */ { MAD_F(0x04085780) /* 0.252036572 */, 18 }, + /* 4122 */ { MAD_F(0x0408ad02) /* 0.252118121 */, 18 }, + /* 4123 */ { MAD_F(0x04090287) /* 0.252199676 */, 18 }, + /* 4124 */ { MAD_F(0x0409580d) /* 0.252281238 */, 18 }, + /* 4125 */ { MAD_F(0x0409ad95) /* 0.252362807 */, 18 }, + /* 4126 */ { MAD_F(0x040a031e) /* 0.252444382 */, 18 }, + /* 4127 */ { MAD_F(0x040a58aa) /* 0.252525963 */, 18 }, + + /* 4128 */ { MAD_F(0x040aae37) /* 0.252607552 */, 18 }, + /* 4129 */ { MAD_F(0x040b03c6) /* 0.252689147 */, 18 }, + /* 4130 */ { MAD_F(0x040b5957) /* 0.252770748 */, 18 }, + /* 4131 */ { MAD_F(0x040baee9) /* 0.252852356 */, 18 }, + /* 4132 */ { MAD_F(0x040c047e) /* 0.252933971 */, 18 }, + /* 4133 */ { MAD_F(0x040c5a14) /* 0.253015592 */, 18 }, + /* 4134 */ { MAD_F(0x040cafab) /* 0.253097220 */, 18 }, + /* 4135 */ { MAD_F(0x040d0545) /* 0.253178854 */, 18 }, + /* 4136 */ { MAD_F(0x040d5ae0) /* 0.253260495 */, 18 }, + /* 4137 */ { MAD_F(0x040db07d) /* 0.253342143 */, 18 }, + /* 4138 */ { MAD_F(0x040e061c) /* 0.253423797 */, 18 }, + /* 4139 */ { MAD_F(0x040e5bbd) /* 0.253505457 */, 18 }, + /* 4140 */ { MAD_F(0x040eb15f) /* 0.253587125 */, 18 }, + /* 4141 */ { MAD_F(0x040f0703) /* 0.253668799 */, 18 }, + /* 4142 */ { MAD_F(0x040f5ca9) /* 0.253750479 */, 18 }, + /* 4143 */ { MAD_F(0x040fb251) /* 0.253832166 */, 18 }, + + /* 4144 */ { MAD_F(0x041007fa) /* 0.253913860 */, 18 }, + /* 4145 */ { MAD_F(0x04105da6) /* 0.253995560 */, 18 }, + /* 4146 */ { MAD_F(0x0410b353) /* 0.254077266 */, 18 }, + /* 4147 */ { MAD_F(0x04110901) /* 0.254158980 */, 18 }, + /* 4148 */ { MAD_F(0x04115eb2) /* 0.254240700 */, 18 }, + /* 4149 */ { MAD_F(0x0411b464) /* 0.254322426 */, 18 }, + /* 4150 */ { MAD_F(0x04120a18) /* 0.254404159 */, 18 }, + /* 4151 */ { MAD_F(0x04125fce) /* 0.254485899 */, 18 }, + /* 4152 */ { MAD_F(0x0412b586) /* 0.254567645 */, 18 }, + /* 4153 */ { MAD_F(0x04130b3f) /* 0.254649397 */, 18 }, + /* 4154 */ { MAD_F(0x041360fa) /* 0.254731157 */, 18 }, + /* 4155 */ { MAD_F(0x0413b6b7) /* 0.254812922 */, 18 }, + /* 4156 */ { MAD_F(0x04140c75) /* 0.254894695 */, 18 }, + /* 4157 */ { MAD_F(0x04146236) /* 0.254976474 */, 18 }, + /* 4158 */ { MAD_F(0x0414b7f8) /* 0.255058259 */, 18 }, + /* 4159 */ { MAD_F(0x04150dbc) /* 0.255140051 */, 18 }, + + /* 4160 */ { MAD_F(0x04156381) /* 0.255221850 */, 18 }, + /* 4161 */ { MAD_F(0x0415b949) /* 0.255303655 */, 18 }, + /* 4162 */ { MAD_F(0x04160f12) /* 0.255385467 */, 18 }, + /* 4163 */ { MAD_F(0x041664dd) /* 0.255467285 */, 18 }, + /* 4164 */ { MAD_F(0x0416baaa) /* 0.255549110 */, 18 }, + /* 4165 */ { MAD_F(0x04171078) /* 0.255630941 */, 18 }, + /* 4166 */ { MAD_F(0x04176648) /* 0.255712779 */, 18 }, + /* 4167 */ { MAD_F(0x0417bc1a) /* 0.255794624 */, 18 }, + /* 4168 */ { MAD_F(0x041811ee) /* 0.255876475 */, 18 }, + /* 4169 */ { MAD_F(0x041867c3) /* 0.255958332 */, 18 }, + /* 4170 */ { MAD_F(0x0418bd9b) /* 0.256040196 */, 18 }, + /* 4171 */ { MAD_F(0x04191374) /* 0.256122067 */, 18 }, + /* 4172 */ { MAD_F(0x0419694e) /* 0.256203944 */, 18 }, + /* 4173 */ { MAD_F(0x0419bf2b) /* 0.256285828 */, 18 }, + /* 4174 */ { MAD_F(0x041a1509) /* 0.256367718 */, 18 }, + /* 4175 */ { MAD_F(0x041a6ae9) /* 0.256449615 */, 18 }, + + /* 4176 */ { MAD_F(0x041ac0cb) /* 0.256531518 */, 18 }, + /* 4177 */ { MAD_F(0x041b16ae) /* 0.256613428 */, 18 }, + /* 4178 */ { MAD_F(0x041b6c94) /* 0.256695344 */, 18 }, + /* 4179 */ { MAD_F(0x041bc27b) /* 0.256777267 */, 18 }, + /* 4180 */ { MAD_F(0x041c1863) /* 0.256859197 */, 18 }, + /* 4181 */ { MAD_F(0x041c6e4e) /* 0.256941133 */, 18 }, + /* 4182 */ { MAD_F(0x041cc43a) /* 0.257023076 */, 18 }, + /* 4183 */ { MAD_F(0x041d1a28) /* 0.257105025 */, 18 }, + /* 4184 */ { MAD_F(0x041d7018) /* 0.257186980 */, 18 }, + /* 4185 */ { MAD_F(0x041dc60a) /* 0.257268942 */, 18 }, + /* 4186 */ { MAD_F(0x041e1bfd) /* 0.257350911 */, 18 }, + /* 4187 */ { MAD_F(0x041e71f2) /* 0.257432886 */, 18 }, + /* 4188 */ { MAD_F(0x041ec7e9) /* 0.257514868 */, 18 }, + /* 4189 */ { MAD_F(0x041f1de1) /* 0.257596856 */, 18 }, + /* 4190 */ { MAD_F(0x041f73dc) /* 0.257678851 */, 18 }, + /* 4191 */ { MAD_F(0x041fc9d8) /* 0.257760852 */, 18 }, + + /* 4192 */ { MAD_F(0x04201fd5) /* 0.257842860 */, 18 }, + /* 4193 */ { MAD_F(0x042075d5) /* 0.257924875 */, 18 }, + /* 4194 */ { MAD_F(0x0420cbd6) /* 0.258006895 */, 18 }, + /* 4195 */ { MAD_F(0x042121d9) /* 0.258088923 */, 18 }, + /* 4196 */ { MAD_F(0x042177de) /* 0.258170957 */, 18 }, + /* 4197 */ { MAD_F(0x0421cde5) /* 0.258252997 */, 18 }, + /* 4198 */ { MAD_F(0x042223ed) /* 0.258335044 */, 18 }, + /* 4199 */ { MAD_F(0x042279f7) /* 0.258417097 */, 18 }, + /* 4200 */ { MAD_F(0x0422d003) /* 0.258499157 */, 18 }, + /* 4201 */ { MAD_F(0x04232611) /* 0.258581224 */, 18 }, + /* 4202 */ { MAD_F(0x04237c20) /* 0.258663297 */, 18 }, + /* 4203 */ { MAD_F(0x0423d231) /* 0.258745376 */, 18 }, + /* 4204 */ { MAD_F(0x04242844) /* 0.258827462 */, 18 }, + /* 4205 */ { MAD_F(0x04247e58) /* 0.258909555 */, 18 }, + /* 4206 */ { MAD_F(0x0424d46e) /* 0.258991654 */, 18 }, + /* 4207 */ { MAD_F(0x04252a87) /* 0.259073760 */, 18 }, + + /* 4208 */ { MAD_F(0x042580a0) /* 0.259155872 */, 18 }, + /* 4209 */ { MAD_F(0x0425d6bc) /* 0.259237990 */, 18 }, + /* 4210 */ { MAD_F(0x04262cd9) /* 0.259320115 */, 18 }, + /* 4211 */ { MAD_F(0x042682f8) /* 0.259402247 */, 18 }, + /* 4212 */ { MAD_F(0x0426d919) /* 0.259484385 */, 18 }, + /* 4213 */ { MAD_F(0x04272f3b) /* 0.259566529 */, 18 }, + /* 4214 */ { MAD_F(0x04278560) /* 0.259648680 */, 18 }, + /* 4215 */ { MAD_F(0x0427db86) /* 0.259730838 */, 18 }, + /* 4216 */ { MAD_F(0x042831ad) /* 0.259813002 */, 18 }, + /* 4217 */ { MAD_F(0x042887d7) /* 0.259895173 */, 18 }, + /* 4218 */ { MAD_F(0x0428de02) /* 0.259977350 */, 18 }, + /* 4219 */ { MAD_F(0x0429342f) /* 0.260059533 */, 18 }, + /* 4220 */ { MAD_F(0x04298a5e) /* 0.260141723 */, 18 }, + /* 4221 */ { MAD_F(0x0429e08e) /* 0.260223920 */, 18 }, + /* 4222 */ { MAD_F(0x042a36c0) /* 0.260306123 */, 18 }, + /* 4223 */ { MAD_F(0x042a8cf4) /* 0.260388332 */, 18 }, + + /* 4224 */ { MAD_F(0x042ae32a) /* 0.260470548 */, 18 }, + /* 4225 */ { MAD_F(0x042b3962) /* 0.260552771 */, 18 }, + /* 4226 */ { MAD_F(0x042b8f9b) /* 0.260635000 */, 18 }, + /* 4227 */ { MAD_F(0x042be5d6) /* 0.260717235 */, 18 }, + /* 4228 */ { MAD_F(0x042c3c12) /* 0.260799477 */, 18 }, + /* 4229 */ { MAD_F(0x042c9251) /* 0.260881725 */, 18 }, + /* 4230 */ { MAD_F(0x042ce891) /* 0.260963980 */, 18 }, + /* 4231 */ { MAD_F(0x042d3ed3) /* 0.261046242 */, 18 }, + /* 4232 */ { MAD_F(0x042d9516) /* 0.261128510 */, 18 }, + /* 4233 */ { MAD_F(0x042deb5c) /* 0.261210784 */, 18 }, + /* 4234 */ { MAD_F(0x042e41a3) /* 0.261293065 */, 18 }, + /* 4235 */ { MAD_F(0x042e97ec) /* 0.261375352 */, 18 }, + /* 4236 */ { MAD_F(0x042eee36) /* 0.261457646 */, 18 }, + /* 4237 */ { MAD_F(0x042f4482) /* 0.261539946 */, 18 }, + /* 4238 */ { MAD_F(0x042f9ad1) /* 0.261622253 */, 18 }, + /* 4239 */ { MAD_F(0x042ff120) /* 0.261704566 */, 18 }, + + /* 4240 */ { MAD_F(0x04304772) /* 0.261786886 */, 18 }, + /* 4241 */ { MAD_F(0x04309dc5) /* 0.261869212 */, 18 }, + /* 4242 */ { MAD_F(0x0430f41a) /* 0.261951545 */, 18 }, + /* 4243 */ { MAD_F(0x04314a71) /* 0.262033884 */, 18 }, + /* 4244 */ { MAD_F(0x0431a0c9) /* 0.262116229 */, 18 }, + /* 4245 */ { MAD_F(0x0431f723) /* 0.262198581 */, 18 }, + /* 4246 */ { MAD_F(0x04324d7f) /* 0.262280940 */, 18 }, + /* 4247 */ { MAD_F(0x0432a3dd) /* 0.262363305 */, 18 }, + /* 4248 */ { MAD_F(0x0432fa3d) /* 0.262445676 */, 18 }, + /* 4249 */ { MAD_F(0x0433509e) /* 0.262528054 */, 18 }, + /* 4250 */ { MAD_F(0x0433a701) /* 0.262610438 */, 18 }, + /* 4251 */ { MAD_F(0x0433fd65) /* 0.262692829 */, 18 }, + /* 4252 */ { MAD_F(0x043453cc) /* 0.262775227 */, 18 }, + /* 4253 */ { MAD_F(0x0434aa34) /* 0.262857630 */, 18 }, + /* 4254 */ { MAD_F(0x0435009d) /* 0.262940040 */, 18 }, + /* 4255 */ { MAD_F(0x04355709) /* 0.263022457 */, 18 }, + + /* 4256 */ { MAD_F(0x0435ad76) /* 0.263104880 */, 18 }, + /* 4257 */ { MAD_F(0x043603e5) /* 0.263187310 */, 18 }, + /* 4258 */ { MAD_F(0x04365a56) /* 0.263269746 */, 18 }, + /* 4259 */ { MAD_F(0x0436b0c9) /* 0.263352188 */, 18 }, + /* 4260 */ { MAD_F(0x0437073d) /* 0.263434637 */, 18 }, + /* 4261 */ { MAD_F(0x04375db3) /* 0.263517093 */, 18 }, + /* 4262 */ { MAD_F(0x0437b42a) /* 0.263599554 */, 18 }, + /* 4263 */ { MAD_F(0x04380aa4) /* 0.263682023 */, 18 }, + /* 4264 */ { MAD_F(0x0438611f) /* 0.263764497 */, 18 }, + /* 4265 */ { MAD_F(0x0438b79c) /* 0.263846979 */, 18 }, + /* 4266 */ { MAD_F(0x04390e1a) /* 0.263929466 */, 18 }, + /* 4267 */ { MAD_F(0x0439649b) /* 0.264011960 */, 18 }, + /* 4268 */ { MAD_F(0x0439bb1d) /* 0.264094461 */, 18 }, + /* 4269 */ { MAD_F(0x043a11a1) /* 0.264176968 */, 18 }, + /* 4270 */ { MAD_F(0x043a6826) /* 0.264259481 */, 18 }, + /* 4271 */ { MAD_F(0x043abead) /* 0.264342001 */, 18 }, + + /* 4272 */ { MAD_F(0x043b1536) /* 0.264424527 */, 18 }, + /* 4273 */ { MAD_F(0x043b6bc1) /* 0.264507060 */, 18 }, + /* 4274 */ { MAD_F(0x043bc24d) /* 0.264589599 */, 18 }, + /* 4275 */ { MAD_F(0x043c18dc) /* 0.264672145 */, 18 }, + /* 4276 */ { MAD_F(0x043c6f6c) /* 0.264754697 */, 18 }, + /* 4277 */ { MAD_F(0x043cc5fd) /* 0.264837255 */, 18 }, + /* 4278 */ { MAD_F(0x043d1c91) /* 0.264919820 */, 18 }, + /* 4279 */ { MAD_F(0x043d7326) /* 0.265002392 */, 18 }, + /* 4280 */ { MAD_F(0x043dc9bc) /* 0.265084969 */, 18 }, + /* 4281 */ { MAD_F(0x043e2055) /* 0.265167554 */, 18 }, + /* 4282 */ { MAD_F(0x043e76ef) /* 0.265250144 */, 18 }, + /* 4283 */ { MAD_F(0x043ecd8b) /* 0.265332741 */, 18 }, + /* 4284 */ { MAD_F(0x043f2429) /* 0.265415345 */, 18 }, + /* 4285 */ { MAD_F(0x043f7ac8) /* 0.265497955 */, 18 }, + /* 4286 */ { MAD_F(0x043fd169) /* 0.265580571 */, 18 }, + /* 4287 */ { MAD_F(0x0440280c) /* 0.265663194 */, 18 }, + + /* 4288 */ { MAD_F(0x04407eb1) /* 0.265745823 */, 18 }, + /* 4289 */ { MAD_F(0x0440d557) /* 0.265828459 */, 18 }, + /* 4290 */ { MAD_F(0x04412bff) /* 0.265911101 */, 18 }, + /* 4291 */ { MAD_F(0x044182a9) /* 0.265993749 */, 18 }, + /* 4292 */ { MAD_F(0x0441d955) /* 0.266076404 */, 18 }, + /* 4293 */ { MAD_F(0x04423002) /* 0.266159065 */, 18 }, + /* 4294 */ { MAD_F(0x044286b1) /* 0.266241733 */, 18 }, + /* 4295 */ { MAD_F(0x0442dd61) /* 0.266324407 */, 18 }, + /* 4296 */ { MAD_F(0x04433414) /* 0.266407088 */, 18 }, + /* 4297 */ { MAD_F(0x04438ac8) /* 0.266489775 */, 18 }, + /* 4298 */ { MAD_F(0x0443e17e) /* 0.266572468 */, 18 }, + /* 4299 */ { MAD_F(0x04443835) /* 0.266655168 */, 18 }, + /* 4300 */ { MAD_F(0x04448eef) /* 0.266737874 */, 18 }, + /* 4301 */ { MAD_F(0x0444e5aa) /* 0.266820587 */, 18 }, + /* 4302 */ { MAD_F(0x04453c66) /* 0.266903306 */, 18 }, + /* 4303 */ { MAD_F(0x04459325) /* 0.266986031 */, 18 }, + + /* 4304 */ { MAD_F(0x0445e9e5) /* 0.267068763 */, 18 }, + /* 4305 */ { MAD_F(0x044640a7) /* 0.267151501 */, 18 }, + /* 4306 */ { MAD_F(0x0446976a) /* 0.267234246 */, 18 }, + /* 4307 */ { MAD_F(0x0446ee30) /* 0.267316997 */, 18 }, + /* 4308 */ { MAD_F(0x044744f7) /* 0.267399755 */, 18 }, + /* 4309 */ { MAD_F(0x04479bc0) /* 0.267482518 */, 18 }, + /* 4310 */ { MAD_F(0x0447f28a) /* 0.267565289 */, 18 }, + /* 4311 */ { MAD_F(0x04484956) /* 0.267648065 */, 18 }, + /* 4312 */ { MAD_F(0x0448a024) /* 0.267730848 */, 18 }, + /* 4313 */ { MAD_F(0x0448f6f4) /* 0.267813638 */, 18 }, + /* 4314 */ { MAD_F(0x04494dc5) /* 0.267896434 */, 18 }, + /* 4315 */ { MAD_F(0x0449a498) /* 0.267979236 */, 18 }, + /* 4316 */ { MAD_F(0x0449fb6d) /* 0.268062045 */, 18 }, + /* 4317 */ { MAD_F(0x044a5243) /* 0.268144860 */, 18 }, + /* 4318 */ { MAD_F(0x044aa91c) /* 0.268227681 */, 18 }, + /* 4319 */ { MAD_F(0x044afff6) /* 0.268310509 */, 18 }, + + /* 4320 */ { MAD_F(0x044b56d1) /* 0.268393343 */, 18 }, + /* 4321 */ { MAD_F(0x044badaf) /* 0.268476184 */, 18 }, + /* 4322 */ { MAD_F(0x044c048e) /* 0.268559031 */, 18 }, + /* 4323 */ { MAD_F(0x044c5b6f) /* 0.268641885 */, 18 }, + /* 4324 */ { MAD_F(0x044cb251) /* 0.268724744 */, 18 }, + /* 4325 */ { MAD_F(0x044d0935) /* 0.268807611 */, 18 }, + /* 4326 */ { MAD_F(0x044d601b) /* 0.268890483 */, 18 }, + /* 4327 */ { MAD_F(0x044db703) /* 0.268973362 */, 18 }, + /* 4328 */ { MAD_F(0x044e0dec) /* 0.269056248 */, 18 }, + /* 4329 */ { MAD_F(0x044e64d7) /* 0.269139139 */, 18 }, + /* 4330 */ { MAD_F(0x044ebbc4) /* 0.269222037 */, 18 }, + /* 4331 */ { MAD_F(0x044f12b3) /* 0.269304942 */, 18 }, + /* 4332 */ { MAD_F(0x044f69a3) /* 0.269387853 */, 18 }, + /* 4333 */ { MAD_F(0x044fc095) /* 0.269470770 */, 18 }, + /* 4334 */ { MAD_F(0x04501788) /* 0.269553694 */, 18 }, + /* 4335 */ { MAD_F(0x04506e7e) /* 0.269636624 */, 18 }, + + /* 4336 */ { MAD_F(0x0450c575) /* 0.269719560 */, 18 }, + /* 4337 */ { MAD_F(0x04511c6e) /* 0.269802503 */, 18 }, + /* 4338 */ { MAD_F(0x04517368) /* 0.269885452 */, 18 }, + /* 4339 */ { MAD_F(0x0451ca64) /* 0.269968408 */, 18 }, + /* 4340 */ { MAD_F(0x04522162) /* 0.270051370 */, 18 }, + /* 4341 */ { MAD_F(0x04527862) /* 0.270134338 */, 18 }, + /* 4342 */ { MAD_F(0x0452cf63) /* 0.270217312 */, 18 }, + /* 4343 */ { MAD_F(0x04532666) /* 0.270300293 */, 18 }, + /* 4344 */ { MAD_F(0x04537d6b) /* 0.270383281 */, 18 }, + /* 4345 */ { MAD_F(0x0453d472) /* 0.270466275 */, 18 }, + /* 4346 */ { MAD_F(0x04542b7a) /* 0.270549275 */, 18 }, + /* 4347 */ { MAD_F(0x04548284) /* 0.270632281 */, 18 }, + /* 4348 */ { MAD_F(0x0454d98f) /* 0.270715294 */, 18 }, + /* 4349 */ { MAD_F(0x0455309c) /* 0.270798313 */, 18 }, + /* 4350 */ { MAD_F(0x045587ab) /* 0.270881339 */, 18 }, + /* 4351 */ { MAD_F(0x0455debc) /* 0.270964371 */, 18 }, + + /* 4352 */ { MAD_F(0x045635cf) /* 0.271047409 */, 18 }, + /* 4353 */ { MAD_F(0x04568ce3) /* 0.271130454 */, 18 }, + /* 4354 */ { MAD_F(0x0456e3f9) /* 0.271213505 */, 18 }, + /* 4355 */ { MAD_F(0x04573b10) /* 0.271296562 */, 18 }, + /* 4356 */ { MAD_F(0x04579229) /* 0.271379626 */, 18 }, + /* 4357 */ { MAD_F(0x0457e944) /* 0.271462696 */, 18 }, + /* 4358 */ { MAD_F(0x04584061) /* 0.271545772 */, 18 }, + /* 4359 */ { MAD_F(0x0458977f) /* 0.271628855 */, 18 }, + /* 4360 */ { MAD_F(0x0458ee9f) /* 0.271711944 */, 18 }, + /* 4361 */ { MAD_F(0x045945c1) /* 0.271795040 */, 18 }, + /* 4362 */ { MAD_F(0x04599ce5) /* 0.271878142 */, 18 }, + /* 4363 */ { MAD_F(0x0459f40a) /* 0.271961250 */, 18 }, + /* 4364 */ { MAD_F(0x045a4b31) /* 0.272044365 */, 18 }, + /* 4365 */ { MAD_F(0x045aa259) /* 0.272127486 */, 18 }, + /* 4366 */ { MAD_F(0x045af984) /* 0.272210613 */, 18 }, + /* 4367 */ { MAD_F(0x045b50b0) /* 0.272293746 */, 18 }, + + /* 4368 */ { MAD_F(0x045ba7dd) /* 0.272376886 */, 18 }, + /* 4369 */ { MAD_F(0x045bff0d) /* 0.272460033 */, 18 }, + /* 4370 */ { MAD_F(0x045c563e) /* 0.272543185 */, 18 }, + /* 4371 */ { MAD_F(0x045cad71) /* 0.272626344 */, 18 }, + /* 4372 */ { MAD_F(0x045d04a5) /* 0.272709510 */, 18 }, + /* 4373 */ { MAD_F(0x045d5bdc) /* 0.272792681 */, 18 }, + /* 4374 */ { MAD_F(0x045db313) /* 0.272875859 */, 18 }, + /* 4375 */ { MAD_F(0x045e0a4d) /* 0.272959044 */, 18 }, + /* 4376 */ { MAD_F(0x045e6188) /* 0.273042234 */, 18 }, + /* 4377 */ { MAD_F(0x045eb8c5) /* 0.273125431 */, 18 }, + /* 4378 */ { MAD_F(0x045f1004) /* 0.273208635 */, 18 }, + /* 4379 */ { MAD_F(0x045f6745) /* 0.273291844 */, 18 }, + /* 4380 */ { MAD_F(0x045fbe87) /* 0.273375060 */, 18 }, + /* 4381 */ { MAD_F(0x046015cb) /* 0.273458283 */, 18 }, + /* 4382 */ { MAD_F(0x04606d10) /* 0.273541511 */, 18 }, + /* 4383 */ { MAD_F(0x0460c457) /* 0.273624747 */, 18 }, + + /* 4384 */ { MAD_F(0x04611ba0) /* 0.273707988 */, 18 }, + /* 4385 */ { MAD_F(0x046172eb) /* 0.273791236 */, 18 }, + /* 4386 */ { MAD_F(0x0461ca37) /* 0.273874490 */, 18 }, + /* 4387 */ { MAD_F(0x04622185) /* 0.273957750 */, 18 }, + /* 4388 */ { MAD_F(0x046278d5) /* 0.274041017 */, 18 }, + /* 4389 */ { MAD_F(0x0462d026) /* 0.274124290 */, 18 }, + /* 4390 */ { MAD_F(0x0463277a) /* 0.274207569 */, 18 }, + /* 4391 */ { MAD_F(0x04637ece) /* 0.274290855 */, 18 }, + /* 4392 */ { MAD_F(0x0463d625) /* 0.274374147 */, 18 }, + /* 4393 */ { MAD_F(0x04642d7d) /* 0.274457445 */, 18 }, + /* 4394 */ { MAD_F(0x046484d7) /* 0.274540749 */, 18 }, + /* 4395 */ { MAD_F(0x0464dc33) /* 0.274624060 */, 18 }, + /* 4396 */ { MAD_F(0x04653390) /* 0.274707378 */, 18 }, + /* 4397 */ { MAD_F(0x04658aef) /* 0.274790701 */, 18 }, + /* 4398 */ { MAD_F(0x0465e250) /* 0.274874031 */, 18 }, + /* 4399 */ { MAD_F(0x046639b2) /* 0.274957367 */, 18 }, + + /* 4400 */ { MAD_F(0x04669116) /* 0.275040710 */, 18 }, + /* 4401 */ { MAD_F(0x0466e87c) /* 0.275124059 */, 18 }, + /* 4402 */ { MAD_F(0x04673fe3) /* 0.275207414 */, 18 }, + /* 4403 */ { MAD_F(0x0467974d) /* 0.275290775 */, 18 }, + /* 4404 */ { MAD_F(0x0467eeb7) /* 0.275374143 */, 18 }, + /* 4405 */ { MAD_F(0x04684624) /* 0.275457517 */, 18 }, + /* 4406 */ { MAD_F(0x04689d92) /* 0.275540897 */, 18 }, + /* 4407 */ { MAD_F(0x0468f502) /* 0.275624284 */, 18 }, + /* 4408 */ { MAD_F(0x04694c74) /* 0.275707677 */, 18 }, + /* 4409 */ { MAD_F(0x0469a3e7) /* 0.275791076 */, 18 }, + /* 4410 */ { MAD_F(0x0469fb5c) /* 0.275874482 */, 18 }, + /* 4411 */ { MAD_F(0x046a52d3) /* 0.275957894 */, 18 }, + /* 4412 */ { MAD_F(0x046aaa4b) /* 0.276041312 */, 18 }, + /* 4413 */ { MAD_F(0x046b01c5) /* 0.276124737 */, 18 }, + /* 4414 */ { MAD_F(0x046b5941) /* 0.276208167 */, 18 }, + /* 4415 */ { MAD_F(0x046bb0bf) /* 0.276291605 */, 18 }, + + /* 4416 */ { MAD_F(0x046c083e) /* 0.276375048 */, 18 }, + /* 4417 */ { MAD_F(0x046c5fbf) /* 0.276458498 */, 18 }, + /* 4418 */ { MAD_F(0x046cb741) /* 0.276541954 */, 18 }, + /* 4419 */ { MAD_F(0x046d0ec5) /* 0.276625416 */, 18 }, + /* 4420 */ { MAD_F(0x046d664b) /* 0.276708885 */, 18 }, + /* 4421 */ { MAD_F(0x046dbdd3) /* 0.276792360 */, 18 }, + /* 4422 */ { MAD_F(0x046e155c) /* 0.276875841 */, 18 }, + /* 4423 */ { MAD_F(0x046e6ce7) /* 0.276959328 */, 18 }, + /* 4424 */ { MAD_F(0x046ec474) /* 0.277042822 */, 18 }, + /* 4425 */ { MAD_F(0x046f1c02) /* 0.277126322 */, 18 }, + /* 4426 */ { MAD_F(0x046f7392) /* 0.277209829 */, 18 }, + /* 4427 */ { MAD_F(0x046fcb24) /* 0.277293341 */, 18 }, + /* 4428 */ { MAD_F(0x047022b8) /* 0.277376860 */, 18 }, + /* 4429 */ { MAD_F(0x04707a4d) /* 0.277460385 */, 18 }, + /* 4430 */ { MAD_F(0x0470d1e4) /* 0.277543917 */, 18 }, + /* 4431 */ { MAD_F(0x0471297c) /* 0.277627455 */, 18 }, + + /* 4432 */ { MAD_F(0x04718116) /* 0.277710999 */, 18 }, + /* 4433 */ { MAD_F(0x0471d8b2) /* 0.277794549 */, 18 }, + /* 4434 */ { MAD_F(0x04723050) /* 0.277878106 */, 18 }, + /* 4435 */ { MAD_F(0x047287ef) /* 0.277961669 */, 18 }, + /* 4436 */ { MAD_F(0x0472df90) /* 0.278045238 */, 18 }, + /* 4437 */ { MAD_F(0x04733733) /* 0.278128813 */, 18 }, + /* 4438 */ { MAD_F(0x04738ed7) /* 0.278212395 */, 18 }, + /* 4439 */ { MAD_F(0x0473e67d) /* 0.278295983 */, 18 }, + /* 4440 */ { MAD_F(0x04743e25) /* 0.278379578 */, 18 }, + /* 4441 */ { MAD_F(0x047495ce) /* 0.278463178 */, 18 }, + /* 4442 */ { MAD_F(0x0474ed79) /* 0.278546785 */, 18 }, + /* 4443 */ { MAD_F(0x04754526) /* 0.278630398 */, 18 }, + /* 4444 */ { MAD_F(0x04759cd4) /* 0.278714018 */, 18 }, + /* 4445 */ { MAD_F(0x0475f484) /* 0.278797643 */, 18 }, + /* 4446 */ { MAD_F(0x04764c36) /* 0.278881275 */, 18 }, + /* 4447 */ { MAD_F(0x0476a3ea) /* 0.278964914 */, 18 }, + + /* 4448 */ { MAD_F(0x0476fb9f) /* 0.279048558 */, 18 }, + /* 4449 */ { MAD_F(0x04775356) /* 0.279132209 */, 18 }, + /* 4450 */ { MAD_F(0x0477ab0e) /* 0.279215866 */, 18 }, + /* 4451 */ { MAD_F(0x047802c8) /* 0.279299529 */, 18 }, + /* 4452 */ { MAD_F(0x04785a84) /* 0.279383199 */, 18 }, + /* 4453 */ { MAD_F(0x0478b242) /* 0.279466875 */, 18 }, + /* 4454 */ { MAD_F(0x04790a01) /* 0.279550557 */, 18 }, + /* 4455 */ { MAD_F(0x047961c2) /* 0.279634245 */, 18 }, + /* 4456 */ { MAD_F(0x0479b984) /* 0.279717940 */, 18 }, + /* 4457 */ { MAD_F(0x047a1149) /* 0.279801641 */, 18 }, + /* 4458 */ { MAD_F(0x047a690f) /* 0.279885348 */, 18 }, + /* 4459 */ { MAD_F(0x047ac0d6) /* 0.279969061 */, 18 }, + /* 4460 */ { MAD_F(0x047b18a0) /* 0.280052781 */, 18 }, + /* 4461 */ { MAD_F(0x047b706b) /* 0.280136507 */, 18 }, + /* 4462 */ { MAD_F(0x047bc837) /* 0.280220239 */, 18 }, + /* 4463 */ { MAD_F(0x047c2006) /* 0.280303978 */, 18 }, + + /* 4464 */ { MAD_F(0x047c77d6) /* 0.280387722 */, 18 }, + /* 4465 */ { MAD_F(0x047ccfa8) /* 0.280471473 */, 18 }, + /* 4466 */ { MAD_F(0x047d277b) /* 0.280555230 */, 18 }, + /* 4467 */ { MAD_F(0x047d7f50) /* 0.280638994 */, 18 }, + /* 4468 */ { MAD_F(0x047dd727) /* 0.280722764 */, 18 }, + /* 4469 */ { MAD_F(0x047e2eff) /* 0.280806540 */, 18 }, + /* 4470 */ { MAD_F(0x047e86d9) /* 0.280890322 */, 18 }, + /* 4471 */ { MAD_F(0x047edeb5) /* 0.280974110 */, 18 }, + /* 4472 */ { MAD_F(0x047f3693) /* 0.281057905 */, 18 }, + /* 4473 */ { MAD_F(0x047f8e72) /* 0.281141706 */, 18 }, + /* 4474 */ { MAD_F(0x047fe653) /* 0.281225513 */, 18 }, + /* 4475 */ { MAD_F(0x04803e35) /* 0.281309326 */, 18 }, + /* 4476 */ { MAD_F(0x04809619) /* 0.281393146 */, 18 }, + /* 4477 */ { MAD_F(0x0480edff) /* 0.281476972 */, 18 }, + /* 4478 */ { MAD_F(0x048145e7) /* 0.281560804 */, 18 }, + /* 4479 */ { MAD_F(0x04819dd0) /* 0.281644643 */, 18 }, + + /* 4480 */ { MAD_F(0x0481f5bb) /* 0.281728487 */, 18 }, + /* 4481 */ { MAD_F(0x04824da7) /* 0.281812338 */, 18 }, + /* 4482 */ { MAD_F(0x0482a595) /* 0.281896195 */, 18 }, + /* 4483 */ { MAD_F(0x0482fd85) /* 0.281980059 */, 18 }, + /* 4484 */ { MAD_F(0x04835577) /* 0.282063928 */, 18 }, + /* 4485 */ { MAD_F(0x0483ad6a) /* 0.282147804 */, 18 }, + /* 4486 */ { MAD_F(0x0484055f) /* 0.282231686 */, 18 }, + /* 4487 */ { MAD_F(0x04845d56) /* 0.282315574 */, 18 }, + /* 4488 */ { MAD_F(0x0484b54e) /* 0.282399469 */, 18 }, + /* 4489 */ { MAD_F(0x04850d48) /* 0.282483370 */, 18 }, + /* 4490 */ { MAD_F(0x04856544) /* 0.282567277 */, 18 }, + /* 4491 */ { MAD_F(0x0485bd41) /* 0.282651190 */, 18 }, + /* 4492 */ { MAD_F(0x04861540) /* 0.282735109 */, 18 }, + /* 4493 */ { MAD_F(0x04866d40) /* 0.282819035 */, 18 }, + /* 4494 */ { MAD_F(0x0486c543) /* 0.282902967 */, 18 }, + /* 4495 */ { MAD_F(0x04871d47) /* 0.282986905 */, 18 }, + + /* 4496 */ { MAD_F(0x0487754c) /* 0.283070849 */, 18 }, + /* 4497 */ { MAD_F(0x0487cd54) /* 0.283154800 */, 18 }, + /* 4498 */ { MAD_F(0x0488255d) /* 0.283238757 */, 18 }, + /* 4499 */ { MAD_F(0x04887d67) /* 0.283322720 */, 18 }, + /* 4500 */ { MAD_F(0x0488d574) /* 0.283406689 */, 18 }, + /* 4501 */ { MAD_F(0x04892d82) /* 0.283490665 */, 18 }, + /* 4502 */ { MAD_F(0x04898591) /* 0.283574646 */, 18 }, + /* 4503 */ { MAD_F(0x0489dda3) /* 0.283658634 */, 18 }, + /* 4504 */ { MAD_F(0x048a35b6) /* 0.283742628 */, 18 }, + /* 4505 */ { MAD_F(0x048a8dca) /* 0.283826629 */, 18 }, + /* 4506 */ { MAD_F(0x048ae5e1) /* 0.283910635 */, 18 }, + /* 4507 */ { MAD_F(0x048b3df9) /* 0.283994648 */, 18 }, + /* 4508 */ { MAD_F(0x048b9612) /* 0.284078667 */, 18 }, + /* 4509 */ { MAD_F(0x048bee2e) /* 0.284162692 */, 18 }, + /* 4510 */ { MAD_F(0x048c464b) /* 0.284246723 */, 18 }, + /* 4511 */ { MAD_F(0x048c9e69) /* 0.284330761 */, 18 }, + + /* 4512 */ { MAD_F(0x048cf68a) /* 0.284414805 */, 18 }, + /* 4513 */ { MAD_F(0x048d4eac) /* 0.284498855 */, 18 }, + /* 4514 */ { MAD_F(0x048da6cf) /* 0.284582911 */, 18 }, + /* 4515 */ { MAD_F(0x048dfef5) /* 0.284666974 */, 18 }, + /* 4516 */ { MAD_F(0x048e571c) /* 0.284751042 */, 18 }, + /* 4517 */ { MAD_F(0x048eaf44) /* 0.284835117 */, 18 }, + /* 4518 */ { MAD_F(0x048f076f) /* 0.284919198 */, 18 }, + /* 4519 */ { MAD_F(0x048f5f9b) /* 0.285003285 */, 18 }, + /* 4520 */ { MAD_F(0x048fb7c8) /* 0.285087379 */, 18 }, + /* 4521 */ { MAD_F(0x04900ff8) /* 0.285171479 */, 18 }, + /* 4522 */ { MAD_F(0x04906829) /* 0.285255584 */, 18 }, + /* 4523 */ { MAD_F(0x0490c05b) /* 0.285339697 */, 18 }, + /* 4524 */ { MAD_F(0x04911890) /* 0.285423815 */, 18 }, + /* 4525 */ { MAD_F(0x049170c6) /* 0.285507939 */, 18 }, + /* 4526 */ { MAD_F(0x0491c8fd) /* 0.285592070 */, 18 }, + /* 4527 */ { MAD_F(0x04922137) /* 0.285676207 */, 18 }, + + /* 4528 */ { MAD_F(0x04927972) /* 0.285760350 */, 18 }, + /* 4529 */ { MAD_F(0x0492d1ae) /* 0.285844499 */, 18 }, + /* 4530 */ { MAD_F(0x049329ed) /* 0.285928655 */, 18 }, + /* 4531 */ { MAD_F(0x0493822c) /* 0.286012816 */, 18 }, + /* 4532 */ { MAD_F(0x0493da6e) /* 0.286096984 */, 18 }, + /* 4533 */ { MAD_F(0x049432b1) /* 0.286181158 */, 18 }, + /* 4534 */ { MAD_F(0x04948af6) /* 0.286265338 */, 18 }, + /* 4535 */ { MAD_F(0x0494e33d) /* 0.286349525 */, 18 }, + /* 4536 */ { MAD_F(0x04953b85) /* 0.286433717 */, 18 }, + /* 4537 */ { MAD_F(0x049593cf) /* 0.286517916 */, 18 }, + /* 4538 */ { MAD_F(0x0495ec1b) /* 0.286602121 */, 18 }, + /* 4539 */ { MAD_F(0x04964468) /* 0.286686332 */, 18 }, + /* 4540 */ { MAD_F(0x04969cb7) /* 0.286770550 */, 18 }, + /* 4541 */ { MAD_F(0x0496f508) /* 0.286854773 */, 18 }, + /* 4542 */ { MAD_F(0x04974d5a) /* 0.286939003 */, 18 }, + /* 4543 */ { MAD_F(0x0497a5ae) /* 0.287023239 */, 18 }, + + /* 4544 */ { MAD_F(0x0497fe03) /* 0.287107481 */, 18 }, + /* 4545 */ { MAD_F(0x0498565a) /* 0.287191729 */, 18 }, + /* 4546 */ { MAD_F(0x0498aeb3) /* 0.287275983 */, 18 }, + /* 4547 */ { MAD_F(0x0499070e) /* 0.287360244 */, 18 }, + /* 4548 */ { MAD_F(0x04995f6a) /* 0.287444511 */, 18 }, + /* 4549 */ { MAD_F(0x0499b7c8) /* 0.287528784 */, 18 }, + /* 4550 */ { MAD_F(0x049a1027) /* 0.287613063 */, 18 }, + /* 4551 */ { MAD_F(0x049a6889) /* 0.287697348 */, 18 }, + /* 4552 */ { MAD_F(0x049ac0eb) /* 0.287781640 */, 18 }, + /* 4553 */ { MAD_F(0x049b1950) /* 0.287865937 */, 18 }, + /* 4554 */ { MAD_F(0x049b71b6) /* 0.287950241 */, 18 }, + /* 4555 */ { MAD_F(0x049bca1e) /* 0.288034551 */, 18 }, + /* 4556 */ { MAD_F(0x049c2287) /* 0.288118867 */, 18 }, + /* 4557 */ { MAD_F(0x049c7af2) /* 0.288203190 */, 18 }, + /* 4558 */ { MAD_F(0x049cd35f) /* 0.288287518 */, 18 }, + /* 4559 */ { MAD_F(0x049d2bce) /* 0.288371853 */, 18 }, + + /* 4560 */ { MAD_F(0x049d843e) /* 0.288456194 */, 18 }, + /* 4561 */ { MAD_F(0x049ddcaf) /* 0.288540541 */, 18 }, + /* 4562 */ { MAD_F(0x049e3523) /* 0.288624894 */, 18 }, + /* 4563 */ { MAD_F(0x049e8d98) /* 0.288709253 */, 18 }, + /* 4564 */ { MAD_F(0x049ee60e) /* 0.288793619 */, 18 }, + /* 4565 */ { MAD_F(0x049f3e87) /* 0.288877990 */, 18 }, + /* 4566 */ { MAD_F(0x049f9701) /* 0.288962368 */, 18 }, + /* 4567 */ { MAD_F(0x049fef7c) /* 0.289046752 */, 18 }, + /* 4568 */ { MAD_F(0x04a047fa) /* 0.289131142 */, 18 }, + /* 4569 */ { MAD_F(0x04a0a079) /* 0.289215538 */, 18 }, + /* 4570 */ { MAD_F(0x04a0f8f9) /* 0.289299941 */, 18 }, + /* 4571 */ { MAD_F(0x04a1517c) /* 0.289384349 */, 18 }, + /* 4572 */ { MAD_F(0x04a1a9ff) /* 0.289468764 */, 18 }, + /* 4573 */ { MAD_F(0x04a20285) /* 0.289553185 */, 18 }, + /* 4574 */ { MAD_F(0x04a25b0c) /* 0.289637612 */, 18 }, + /* 4575 */ { MAD_F(0x04a2b395) /* 0.289722045 */, 18 }, + + /* 4576 */ { MAD_F(0x04a30c20) /* 0.289806485 */, 18 }, + /* 4577 */ { MAD_F(0x04a364ac) /* 0.289890930 */, 18 }, + /* 4578 */ { MAD_F(0x04a3bd3a) /* 0.289975382 */, 18 }, + /* 4579 */ { MAD_F(0x04a415c9) /* 0.290059840 */, 18 }, + /* 4580 */ { MAD_F(0x04a46e5a) /* 0.290144304 */, 18 }, + /* 4581 */ { MAD_F(0x04a4c6ed) /* 0.290228774 */, 18 }, + /* 4582 */ { MAD_F(0x04a51f81) /* 0.290313250 */, 18 }, + /* 4583 */ { MAD_F(0x04a57818) /* 0.290397733 */, 18 }, + /* 4584 */ { MAD_F(0x04a5d0af) /* 0.290482221 */, 18 }, + /* 4585 */ { MAD_F(0x04a62949) /* 0.290566716 */, 18 }, + /* 4586 */ { MAD_F(0x04a681e4) /* 0.290651217 */, 18 }, + /* 4587 */ { MAD_F(0x04a6da80) /* 0.290735724 */, 18 }, + /* 4588 */ { MAD_F(0x04a7331f) /* 0.290820237 */, 18 }, + /* 4589 */ { MAD_F(0x04a78bbf) /* 0.290904756 */, 18 }, + /* 4590 */ { MAD_F(0x04a7e460) /* 0.290989281 */, 18 }, + /* 4591 */ { MAD_F(0x04a83d03) /* 0.291073813 */, 18 }, + + /* 4592 */ { MAD_F(0x04a895a8) /* 0.291158351 */, 18 }, + /* 4593 */ { MAD_F(0x04a8ee4f) /* 0.291242894 */, 18 }, + /* 4594 */ { MAD_F(0x04a946f7) /* 0.291327444 */, 18 }, + /* 4595 */ { MAD_F(0x04a99fa1) /* 0.291412001 */, 18 }, + /* 4596 */ { MAD_F(0x04a9f84c) /* 0.291496563 */, 18 }, + /* 4597 */ { MAD_F(0x04aa50fa) /* 0.291581131 */, 18 }, + /* 4598 */ { MAD_F(0x04aaa9a8) /* 0.291665706 */, 18 }, + /* 4599 */ { MAD_F(0x04ab0259) /* 0.291750286 */, 18 }, + /* 4600 */ { MAD_F(0x04ab5b0b) /* 0.291834873 */, 18 }, + /* 4601 */ { MAD_F(0x04abb3bf) /* 0.291919466 */, 18 }, + /* 4602 */ { MAD_F(0x04ac0c74) /* 0.292004065 */, 18 }, + /* 4603 */ { MAD_F(0x04ac652b) /* 0.292088670 */, 18 }, + /* 4604 */ { MAD_F(0x04acbde4) /* 0.292173281 */, 18 }, + /* 4605 */ { MAD_F(0x04ad169e) /* 0.292257899 */, 18 }, + /* 4606 */ { MAD_F(0x04ad6f5a) /* 0.292342522 */, 18 }, + /* 4607 */ { MAD_F(0x04adc818) /* 0.292427152 */, 18 }, + + /* 4608 */ { MAD_F(0x04ae20d7) /* 0.292511788 */, 18 }, + /* 4609 */ { MAD_F(0x04ae7998) /* 0.292596430 */, 18 }, + /* 4610 */ { MAD_F(0x04aed25a) /* 0.292681078 */, 18 }, + /* 4611 */ { MAD_F(0x04af2b1e) /* 0.292765732 */, 18 }, + /* 4612 */ { MAD_F(0x04af83e4) /* 0.292850392 */, 18 }, + /* 4613 */ { MAD_F(0x04afdcac) /* 0.292935058 */, 18 }, + /* 4614 */ { MAD_F(0x04b03575) /* 0.293019731 */, 18 }, + /* 4615 */ { MAD_F(0x04b08e40) /* 0.293104409 */, 18 }, + /* 4616 */ { MAD_F(0x04b0e70c) /* 0.293189094 */, 18 }, + /* 4617 */ { MAD_F(0x04b13fda) /* 0.293273785 */, 18 }, + /* 4618 */ { MAD_F(0x04b198aa) /* 0.293358482 */, 18 }, + /* 4619 */ { MAD_F(0x04b1f17b) /* 0.293443185 */, 18 }, + /* 4620 */ { MAD_F(0x04b24a4e) /* 0.293527894 */, 18 }, + /* 4621 */ { MAD_F(0x04b2a322) /* 0.293612609 */, 18 }, + /* 4622 */ { MAD_F(0x04b2fbf9) /* 0.293697331 */, 18 }, + /* 4623 */ { MAD_F(0x04b354d1) /* 0.293782058 */, 18 }, + + /* 4624 */ { MAD_F(0x04b3adaa) /* 0.293866792 */, 18 }, + /* 4625 */ { MAD_F(0x04b40685) /* 0.293951532 */, 18 }, + /* 4626 */ { MAD_F(0x04b45f62) /* 0.294036278 */, 18 }, + /* 4627 */ { MAD_F(0x04b4b840) /* 0.294121029 */, 18 }, + /* 4628 */ { MAD_F(0x04b51120) /* 0.294205788 */, 18 }, + /* 4629 */ { MAD_F(0x04b56a02) /* 0.294290552 */, 18 }, + /* 4630 */ { MAD_F(0x04b5c2e6) /* 0.294375322 */, 18 }, + /* 4631 */ { MAD_F(0x04b61bcb) /* 0.294460098 */, 18 }, + /* 4632 */ { MAD_F(0x04b674b1) /* 0.294544881 */, 18 }, + /* 4633 */ { MAD_F(0x04b6cd99) /* 0.294629669 */, 18 }, + /* 4634 */ { MAD_F(0x04b72683) /* 0.294714464 */, 18 }, + /* 4635 */ { MAD_F(0x04b77f6f) /* 0.294799265 */, 18 }, + /* 4636 */ { MAD_F(0x04b7d85c) /* 0.294884072 */, 18 }, + /* 4637 */ { MAD_F(0x04b8314b) /* 0.294968885 */, 18 }, + /* 4638 */ { MAD_F(0x04b88a3b) /* 0.295053704 */, 18 }, + /* 4639 */ { MAD_F(0x04b8e32d) /* 0.295138529 */, 18 }, + + /* 4640 */ { MAD_F(0x04b93c21) /* 0.295223360 */, 18 }, + /* 4641 */ { MAD_F(0x04b99516) /* 0.295308197 */, 18 }, + /* 4642 */ { MAD_F(0x04b9ee0d) /* 0.295393041 */, 18 }, + /* 4643 */ { MAD_F(0x04ba4706) /* 0.295477890 */, 18 }, + /* 4644 */ { MAD_F(0x04baa000) /* 0.295562746 */, 18 }, + /* 4645 */ { MAD_F(0x04baf8fc) /* 0.295647608 */, 18 }, + /* 4646 */ { MAD_F(0x04bb51fa) /* 0.295732476 */, 18 }, + /* 4647 */ { MAD_F(0x04bbaaf9) /* 0.295817349 */, 18 }, + /* 4648 */ { MAD_F(0x04bc03fa) /* 0.295902229 */, 18 }, + /* 4649 */ { MAD_F(0x04bc5cfc) /* 0.295987115 */, 18 }, + /* 4650 */ { MAD_F(0x04bcb600) /* 0.296072008 */, 18 }, + /* 4651 */ { MAD_F(0x04bd0f06) /* 0.296156906 */, 18 }, + /* 4652 */ { MAD_F(0x04bd680d) /* 0.296241810 */, 18 }, + /* 4653 */ { MAD_F(0x04bdc116) /* 0.296326721 */, 18 }, + /* 4654 */ { MAD_F(0x04be1a21) /* 0.296411637 */, 18 }, + /* 4655 */ { MAD_F(0x04be732d) /* 0.296496560 */, 18 }, + + /* 4656 */ { MAD_F(0x04becc3b) /* 0.296581488 */, 18 }, + /* 4657 */ { MAD_F(0x04bf254a) /* 0.296666423 */, 18 }, + /* 4658 */ { MAD_F(0x04bf7e5b) /* 0.296751364 */, 18 }, + /* 4659 */ { MAD_F(0x04bfd76e) /* 0.296836311 */, 18 }, + /* 4660 */ { MAD_F(0x04c03083) /* 0.296921264 */, 18 }, + /* 4661 */ { MAD_F(0x04c08999) /* 0.297006223 */, 18 }, + /* 4662 */ { MAD_F(0x04c0e2b0) /* 0.297091188 */, 18 }, + /* 4663 */ { MAD_F(0x04c13bca) /* 0.297176159 */, 18 }, + /* 4664 */ { MAD_F(0x04c194e4) /* 0.297261136 */, 18 }, + /* 4665 */ { MAD_F(0x04c1ee01) /* 0.297346120 */, 18 }, + /* 4666 */ { MAD_F(0x04c2471f) /* 0.297431109 */, 18 }, + /* 4667 */ { MAD_F(0x04c2a03f) /* 0.297516105 */, 18 }, + /* 4668 */ { MAD_F(0x04c2f960) /* 0.297601106 */, 18 }, + /* 4669 */ { MAD_F(0x04c35283) /* 0.297686114 */, 18 }, + /* 4670 */ { MAD_F(0x04c3aba8) /* 0.297771128 */, 18 }, + /* 4671 */ { MAD_F(0x04c404ce) /* 0.297856147 */, 18 }, + + /* 4672 */ { MAD_F(0x04c45df6) /* 0.297941173 */, 18 }, + /* 4673 */ { MAD_F(0x04c4b720) /* 0.298026205 */, 18 }, + /* 4674 */ { MAD_F(0x04c5104b) /* 0.298111243 */, 18 }, + /* 4675 */ { MAD_F(0x04c56978) /* 0.298196287 */, 18 }, + /* 4676 */ { MAD_F(0x04c5c2a7) /* 0.298281337 */, 18 }, + /* 4677 */ { MAD_F(0x04c61bd7) /* 0.298366393 */, 18 }, + /* 4678 */ { MAD_F(0x04c67508) /* 0.298451456 */, 18 }, + /* 4679 */ { MAD_F(0x04c6ce3c) /* 0.298536524 */, 18 }, + /* 4680 */ { MAD_F(0x04c72771) /* 0.298621598 */, 18 }, + /* 4681 */ { MAD_F(0x04c780a7) /* 0.298706679 */, 18 }, + /* 4682 */ { MAD_F(0x04c7d9df) /* 0.298791765 */, 18 }, + /* 4683 */ { MAD_F(0x04c83319) /* 0.298876858 */, 18 }, + /* 4684 */ { MAD_F(0x04c88c55) /* 0.298961956 */, 18 }, + /* 4685 */ { MAD_F(0x04c8e592) /* 0.299047061 */, 18 }, + /* 4686 */ { MAD_F(0x04c93ed1) /* 0.299132172 */, 18 }, + /* 4687 */ { MAD_F(0x04c99811) /* 0.299217288 */, 18 }, + + /* 4688 */ { MAD_F(0x04c9f153) /* 0.299302411 */, 18 }, + /* 4689 */ { MAD_F(0x04ca4a97) /* 0.299387540 */, 18 }, + /* 4690 */ { MAD_F(0x04caa3dc) /* 0.299472675 */, 18 }, + /* 4691 */ { MAD_F(0x04cafd23) /* 0.299557816 */, 18 }, + /* 4692 */ { MAD_F(0x04cb566b) /* 0.299642963 */, 18 }, + /* 4693 */ { MAD_F(0x04cbafb5) /* 0.299728116 */, 18 }, + /* 4694 */ { MAD_F(0x04cc0901) /* 0.299813275 */, 18 }, + /* 4695 */ { MAD_F(0x04cc624e) /* 0.299898440 */, 18 }, + /* 4696 */ { MAD_F(0x04ccbb9d) /* 0.299983611 */, 18 }, + /* 4697 */ { MAD_F(0x04cd14ee) /* 0.300068789 */, 18 }, + /* 4698 */ { MAD_F(0x04cd6e40) /* 0.300153972 */, 18 }, + /* 4699 */ { MAD_F(0x04cdc794) /* 0.300239161 */, 18 }, + /* 4700 */ { MAD_F(0x04ce20e9) /* 0.300324357 */, 18 }, + /* 4701 */ { MAD_F(0x04ce7a40) /* 0.300409558 */, 18 }, + /* 4702 */ { MAD_F(0x04ced399) /* 0.300494765 */, 18 }, + /* 4703 */ { MAD_F(0x04cf2cf3) /* 0.300579979 */, 18 }, + + /* 4704 */ { MAD_F(0x04cf864f) /* 0.300665198 */, 18 }, + /* 4705 */ { MAD_F(0x04cfdfad) /* 0.300750424 */, 18 }, + /* 4706 */ { MAD_F(0x04d0390c) /* 0.300835656 */, 18 }, + /* 4707 */ { MAD_F(0x04d0926d) /* 0.300920893 */, 18 }, + /* 4708 */ { MAD_F(0x04d0ebcf) /* 0.301006137 */, 18 }, + /* 4709 */ { MAD_F(0x04d14533) /* 0.301091387 */, 18 }, + /* 4710 */ { MAD_F(0x04d19e99) /* 0.301176643 */, 18 }, + /* 4711 */ { MAD_F(0x04d1f800) /* 0.301261904 */, 18 }, + /* 4712 */ { MAD_F(0x04d25169) /* 0.301347172 */, 18 }, + /* 4713 */ { MAD_F(0x04d2aad4) /* 0.301432446 */, 18 }, + /* 4714 */ { MAD_F(0x04d30440) /* 0.301517726 */, 18 }, + /* 4715 */ { MAD_F(0x04d35dae) /* 0.301603012 */, 18 }, + /* 4716 */ { MAD_F(0x04d3b71d) /* 0.301688304 */, 18 }, + /* 4717 */ { MAD_F(0x04d4108e) /* 0.301773602 */, 18 }, + /* 4718 */ { MAD_F(0x04d46a01) /* 0.301858906 */, 18 }, + /* 4719 */ { MAD_F(0x04d4c375) /* 0.301944216 */, 18 }, + + /* 4720 */ { MAD_F(0x04d51ceb) /* 0.302029532 */, 18 }, + /* 4721 */ { MAD_F(0x04d57662) /* 0.302114854 */, 18 }, + /* 4722 */ { MAD_F(0x04d5cfdb) /* 0.302200182 */, 18 }, + /* 4723 */ { MAD_F(0x04d62956) /* 0.302285516 */, 18 }, + /* 4724 */ { MAD_F(0x04d682d2) /* 0.302370856 */, 18 }, + /* 4725 */ { MAD_F(0x04d6dc50) /* 0.302456203 */, 18 }, + /* 4726 */ { MAD_F(0x04d735d0) /* 0.302541555 */, 18 }, + /* 4727 */ { MAD_F(0x04d78f51) /* 0.302626913 */, 18 }, + /* 4728 */ { MAD_F(0x04d7e8d4) /* 0.302712277 */, 18 }, + /* 4729 */ { MAD_F(0x04d84258) /* 0.302797648 */, 18 }, + /* 4730 */ { MAD_F(0x04d89bde) /* 0.302883024 */, 18 }, + /* 4731 */ { MAD_F(0x04d8f566) /* 0.302968406 */, 18 }, + /* 4732 */ { MAD_F(0x04d94eef) /* 0.303053794 */, 18 }, + /* 4733 */ { MAD_F(0x04d9a87a) /* 0.303139189 */, 18 }, + /* 4734 */ { MAD_F(0x04da0207) /* 0.303224589 */, 18 }, + /* 4735 */ { MAD_F(0x04da5b95) /* 0.303309995 */, 18 }, + + /* 4736 */ { MAD_F(0x04dab524) /* 0.303395408 */, 18 }, + /* 4737 */ { MAD_F(0x04db0eb6) /* 0.303480826 */, 18 }, + /* 4738 */ { MAD_F(0x04db6849) /* 0.303566251 */, 18 }, + /* 4739 */ { MAD_F(0x04dbc1dd) /* 0.303651681 */, 18 }, + /* 4740 */ { MAD_F(0x04dc1b73) /* 0.303737117 */, 18 }, + /* 4741 */ { MAD_F(0x04dc750b) /* 0.303822560 */, 18 }, + /* 4742 */ { MAD_F(0x04dccea5) /* 0.303908008 */, 18 }, + /* 4743 */ { MAD_F(0x04dd2840) /* 0.303993463 */, 18 }, + /* 4744 */ { MAD_F(0x04dd81dc) /* 0.304078923 */, 18 }, + /* 4745 */ { MAD_F(0x04dddb7a) /* 0.304164390 */, 18 }, + /* 4746 */ { MAD_F(0x04de351a) /* 0.304249862 */, 18 }, + /* 4747 */ { MAD_F(0x04de8ebc) /* 0.304335340 */, 18 }, + /* 4748 */ { MAD_F(0x04dee85f) /* 0.304420825 */, 18 }, + /* 4749 */ { MAD_F(0x04df4203) /* 0.304506315 */, 18 }, + /* 4750 */ { MAD_F(0x04df9baa) /* 0.304591812 */, 18 }, + /* 4751 */ { MAD_F(0x04dff552) /* 0.304677314 */, 18 }, + + /* 4752 */ { MAD_F(0x04e04efb) /* 0.304762823 */, 18 }, + /* 4753 */ { MAD_F(0x04e0a8a6) /* 0.304848337 */, 18 }, + /* 4754 */ { MAD_F(0x04e10253) /* 0.304933858 */, 18 }, + /* 4755 */ { MAD_F(0x04e15c01) /* 0.305019384 */, 18 }, + /* 4756 */ { MAD_F(0x04e1b5b1) /* 0.305104917 */, 18 }, + /* 4757 */ { MAD_F(0x04e20f63) /* 0.305190455 */, 18 }, + /* 4758 */ { MAD_F(0x04e26916) /* 0.305275999 */, 18 }, + /* 4759 */ { MAD_F(0x04e2c2cb) /* 0.305361550 */, 18 }, + /* 4760 */ { MAD_F(0x04e31c81) /* 0.305447106 */, 18 }, + /* 4761 */ { MAD_F(0x04e37639) /* 0.305532669 */, 18 }, + /* 4762 */ { MAD_F(0x04e3cff3) /* 0.305618237 */, 18 }, + /* 4763 */ { MAD_F(0x04e429ae) /* 0.305703811 */, 18 }, + /* 4764 */ { MAD_F(0x04e4836b) /* 0.305789392 */, 18 }, + /* 4765 */ { MAD_F(0x04e4dd29) /* 0.305874978 */, 18 }, + /* 4766 */ { MAD_F(0x04e536e9) /* 0.305960571 */, 18 }, + /* 4767 */ { MAD_F(0x04e590ab) /* 0.306046169 */, 18 }, + + /* 4768 */ { MAD_F(0x04e5ea6e) /* 0.306131773 */, 18 }, + /* 4769 */ { MAD_F(0x04e64433) /* 0.306217383 */, 18 }, + /* 4770 */ { MAD_F(0x04e69df9) /* 0.306303000 */, 18 }, + /* 4771 */ { MAD_F(0x04e6f7c1) /* 0.306388622 */, 18 }, + /* 4772 */ { MAD_F(0x04e7518b) /* 0.306474250 */, 18 }, + /* 4773 */ { MAD_F(0x04e7ab56) /* 0.306559885 */, 18 }, + /* 4774 */ { MAD_F(0x04e80523) /* 0.306645525 */, 18 }, + /* 4775 */ { MAD_F(0x04e85ef2) /* 0.306731171 */, 18 }, + /* 4776 */ { MAD_F(0x04e8b8c2) /* 0.306816823 */, 18 }, + /* 4777 */ { MAD_F(0x04e91293) /* 0.306902481 */, 18 }, + /* 4778 */ { MAD_F(0x04e96c67) /* 0.306988145 */, 18 }, + /* 4779 */ { MAD_F(0x04e9c63b) /* 0.307073816 */, 18 }, + /* 4780 */ { MAD_F(0x04ea2012) /* 0.307159492 */, 18 }, + /* 4781 */ { MAD_F(0x04ea79ea) /* 0.307245174 */, 18 }, + /* 4782 */ { MAD_F(0x04ead3c4) /* 0.307330862 */, 18 }, + /* 4783 */ { MAD_F(0x04eb2d9f) /* 0.307416556 */, 18 }, + + /* 4784 */ { MAD_F(0x04eb877c) /* 0.307502256 */, 18 }, + /* 4785 */ { MAD_F(0x04ebe15b) /* 0.307587962 */, 18 }, + /* 4786 */ { MAD_F(0x04ec3b3b) /* 0.307673674 */, 18 }, + /* 4787 */ { MAD_F(0x04ec951c) /* 0.307759392 */, 18 }, + /* 4788 */ { MAD_F(0x04ecef00) /* 0.307845115 */, 18 }, + /* 4789 */ { MAD_F(0x04ed48e5) /* 0.307930845 */, 18 }, + /* 4790 */ { MAD_F(0x04eda2cb) /* 0.308016581 */, 18 }, + /* 4791 */ { MAD_F(0x04edfcb3) /* 0.308102323 */, 18 }, + /* 4792 */ { MAD_F(0x04ee569d) /* 0.308188071 */, 18 }, + /* 4793 */ { MAD_F(0x04eeb088) /* 0.308273824 */, 18 }, + /* 4794 */ { MAD_F(0x04ef0a75) /* 0.308359584 */, 18 }, + /* 4795 */ { MAD_F(0x04ef6464) /* 0.308445350 */, 18 }, + /* 4796 */ { MAD_F(0x04efbe54) /* 0.308531121 */, 18 }, + /* 4797 */ { MAD_F(0x04f01846) /* 0.308616899 */, 18 }, + /* 4798 */ { MAD_F(0x04f07239) /* 0.308702682 */, 18 }, + /* 4799 */ { MAD_F(0x04f0cc2e) /* 0.308788472 */, 18 }, + + /* 4800 */ { MAD_F(0x04f12624) /* 0.308874267 */, 18 }, + /* 4801 */ { MAD_F(0x04f1801d) /* 0.308960068 */, 18 }, + /* 4802 */ { MAD_F(0x04f1da16) /* 0.309045876 */, 18 }, + /* 4803 */ { MAD_F(0x04f23412) /* 0.309131689 */, 18 }, + /* 4804 */ { MAD_F(0x04f28e0f) /* 0.309217508 */, 18 }, + /* 4805 */ { MAD_F(0x04f2e80d) /* 0.309303334 */, 18 }, + /* 4806 */ { MAD_F(0x04f3420d) /* 0.309389165 */, 18 }, + /* 4807 */ { MAD_F(0x04f39c0f) /* 0.309475002 */, 18 }, + /* 4808 */ { MAD_F(0x04f3f612) /* 0.309560845 */, 18 }, + /* 4809 */ { MAD_F(0x04f45017) /* 0.309646694 */, 18 }, + /* 4810 */ { MAD_F(0x04f4aa1e) /* 0.309732549 */, 18 }, + /* 4811 */ { MAD_F(0x04f50426) /* 0.309818410 */, 18 }, + /* 4812 */ { MAD_F(0x04f55e30) /* 0.309904277 */, 18 }, + /* 4813 */ { MAD_F(0x04f5b83b) /* 0.309990150 */, 18 }, + /* 4814 */ { MAD_F(0x04f61248) /* 0.310076028 */, 18 }, + /* 4815 */ { MAD_F(0x04f66c56) /* 0.310161913 */, 18 }, + + /* 4816 */ { MAD_F(0x04f6c666) /* 0.310247804 */, 18 }, + /* 4817 */ { MAD_F(0x04f72078) /* 0.310333700 */, 18 }, + /* 4818 */ { MAD_F(0x04f77a8b) /* 0.310419603 */, 18 }, + /* 4819 */ { MAD_F(0x04f7d4a0) /* 0.310505511 */, 18 }, + /* 4820 */ { MAD_F(0x04f82eb7) /* 0.310591426 */, 18 }, + /* 4821 */ { MAD_F(0x04f888cf) /* 0.310677346 */, 18 }, + /* 4822 */ { MAD_F(0x04f8e2e9) /* 0.310763272 */, 18 }, + /* 4823 */ { MAD_F(0x04f93d04) /* 0.310849205 */, 18 }, + /* 4824 */ { MAD_F(0x04f99721) /* 0.310935143 */, 18 }, + /* 4825 */ { MAD_F(0x04f9f13f) /* 0.311021087 */, 18 }, + /* 4826 */ { MAD_F(0x04fa4b5f) /* 0.311107037 */, 18 }, + /* 4827 */ { MAD_F(0x04faa581) /* 0.311192993 */, 18 }, + /* 4828 */ { MAD_F(0x04faffa4) /* 0.311278955 */, 18 }, + /* 4829 */ { MAD_F(0x04fb59c9) /* 0.311364923 */, 18 }, + /* 4830 */ { MAD_F(0x04fbb3ef) /* 0.311450897 */, 18 }, + /* 4831 */ { MAD_F(0x04fc0e17) /* 0.311536877 */, 18 }, + + /* 4832 */ { MAD_F(0x04fc6841) /* 0.311622862 */, 18 }, + /* 4833 */ { MAD_F(0x04fcc26c) /* 0.311708854 */, 18 }, + /* 4834 */ { MAD_F(0x04fd1c99) /* 0.311794851 */, 18 }, + /* 4835 */ { MAD_F(0x04fd76c7) /* 0.311880855 */, 18 }, + /* 4836 */ { MAD_F(0x04fdd0f7) /* 0.311966864 */, 18 }, + /* 4837 */ { MAD_F(0x04fe2b29) /* 0.312052880 */, 18 }, + /* 4838 */ { MAD_F(0x04fe855c) /* 0.312138901 */, 18 }, + /* 4839 */ { MAD_F(0x04fedf91) /* 0.312224928 */, 18 }, + /* 4840 */ { MAD_F(0x04ff39c7) /* 0.312310961 */, 18 }, + /* 4841 */ { MAD_F(0x04ff93ff) /* 0.312397000 */, 18 }, + /* 4842 */ { MAD_F(0x04ffee38) /* 0.312483045 */, 18 }, + /* 4843 */ { MAD_F(0x05004874) /* 0.312569096 */, 18 }, + /* 4844 */ { MAD_F(0x0500a2b0) /* 0.312655153 */, 18 }, + /* 4845 */ { MAD_F(0x0500fcef) /* 0.312741216 */, 18 }, + /* 4846 */ { MAD_F(0x0501572e) /* 0.312827284 */, 18 }, + /* 4847 */ { MAD_F(0x0501b170) /* 0.312913359 */, 18 }, + + /* 4848 */ { MAD_F(0x05020bb3) /* 0.312999439 */, 18 }, + /* 4849 */ { MAD_F(0x050265f8) /* 0.313085526 */, 18 }, + /* 4850 */ { MAD_F(0x0502c03e) /* 0.313171618 */, 18 }, + /* 4851 */ { MAD_F(0x05031a86) /* 0.313257716 */, 18 }, + /* 4852 */ { MAD_F(0x050374cf) /* 0.313343820 */, 18 }, + /* 4853 */ { MAD_F(0x0503cf1a) /* 0.313429931 */, 18 }, + /* 4854 */ { MAD_F(0x05042967) /* 0.313516047 */, 18 }, + /* 4855 */ { MAD_F(0x050483b5) /* 0.313602168 */, 18 }, + /* 4856 */ { MAD_F(0x0504de05) /* 0.313688296 */, 18 }, + /* 4857 */ { MAD_F(0x05053856) /* 0.313774430 */, 18 }, + /* 4858 */ { MAD_F(0x050592a9) /* 0.313860570 */, 18 }, + /* 4859 */ { MAD_F(0x0505ecfd) /* 0.313946715 */, 18 }, + /* 4860 */ { MAD_F(0x05064754) /* 0.314032867 */, 18 }, + /* 4861 */ { MAD_F(0x0506a1ab) /* 0.314119024 */, 18 }, + /* 4862 */ { MAD_F(0x0506fc04) /* 0.314205187 */, 18 }, + /* 4863 */ { MAD_F(0x0507565f) /* 0.314291357 */, 18 }, + + /* 4864 */ { MAD_F(0x0507b0bc) /* 0.314377532 */, 18 }, + /* 4865 */ { MAD_F(0x05080b1a) /* 0.314463713 */, 18 }, + /* 4866 */ { MAD_F(0x05086579) /* 0.314549900 */, 18 }, + /* 4867 */ { MAD_F(0x0508bfdb) /* 0.314636092 */, 18 }, + /* 4868 */ { MAD_F(0x05091a3d) /* 0.314722291 */, 18 }, + /* 4869 */ { MAD_F(0x050974a2) /* 0.314808496 */, 18 }, + /* 4870 */ { MAD_F(0x0509cf08) /* 0.314894706 */, 18 }, + /* 4871 */ { MAD_F(0x050a296f) /* 0.314980923 */, 18 }, + /* 4872 */ { MAD_F(0x050a83d8) /* 0.315067145 */, 18 }, + /* 4873 */ { MAD_F(0x050ade43) /* 0.315153373 */, 18 }, + /* 4874 */ { MAD_F(0x050b38af) /* 0.315239607 */, 18 }, + /* 4875 */ { MAD_F(0x050b931d) /* 0.315325847 */, 18 }, + /* 4876 */ { MAD_F(0x050bed8d) /* 0.315412093 */, 18 }, + /* 4877 */ { MAD_F(0x050c47fe) /* 0.315498345 */, 18 }, + /* 4878 */ { MAD_F(0x050ca271) /* 0.315584603 */, 18 }, + /* 4879 */ { MAD_F(0x050cfce5) /* 0.315670866 */, 18 }, + + /* 4880 */ { MAD_F(0x050d575b) /* 0.315757136 */, 18 }, + /* 4881 */ { MAD_F(0x050db1d2) /* 0.315843411 */, 18 }, + /* 4882 */ { MAD_F(0x050e0c4b) /* 0.315929693 */, 18 }, + /* 4883 */ { MAD_F(0x050e66c5) /* 0.316015980 */, 18 }, + /* 4884 */ { MAD_F(0x050ec141) /* 0.316102273 */, 18 }, + /* 4885 */ { MAD_F(0x050f1bbf) /* 0.316188572 */, 18 }, + /* 4886 */ { MAD_F(0x050f763e) /* 0.316274877 */, 18 }, + /* 4887 */ { MAD_F(0x050fd0bf) /* 0.316361187 */, 18 }, + /* 4888 */ { MAD_F(0x05102b42) /* 0.316447504 */, 18 }, + /* 4889 */ { MAD_F(0x051085c6) /* 0.316533826 */, 18 }, + /* 4890 */ { MAD_F(0x0510e04b) /* 0.316620155 */, 18 }, + /* 4891 */ { MAD_F(0x05113ad3) /* 0.316706489 */, 18 }, + /* 4892 */ { MAD_F(0x0511955b) /* 0.316792829 */, 18 }, + /* 4893 */ { MAD_F(0x0511efe6) /* 0.316879175 */, 18 }, + /* 4894 */ { MAD_F(0x05124a72) /* 0.316965527 */, 18 }, + /* 4895 */ { MAD_F(0x0512a4ff) /* 0.317051885 */, 18 }, + + /* 4896 */ { MAD_F(0x0512ff8e) /* 0.317138249 */, 18 }, + /* 4897 */ { MAD_F(0x05135a1f) /* 0.317224618 */, 18 }, + /* 4898 */ { MAD_F(0x0513b4b1) /* 0.317310994 */, 18 }, + /* 4899 */ { MAD_F(0x05140f45) /* 0.317397375 */, 18 }, + /* 4900 */ { MAD_F(0x051469da) /* 0.317483762 */, 18 }, + /* 4901 */ { MAD_F(0x0514c471) /* 0.317570155 */, 18 }, + /* 4902 */ { MAD_F(0x05151f0a) /* 0.317656554 */, 18 }, + /* 4903 */ { MAD_F(0x051579a4) /* 0.317742959 */, 18 }, + /* 4904 */ { MAD_F(0x0515d440) /* 0.317829370 */, 18 }, + /* 4905 */ { MAD_F(0x05162edd) /* 0.317915786 */, 18 }, + /* 4906 */ { MAD_F(0x0516897c) /* 0.318002209 */, 18 }, + /* 4907 */ { MAD_F(0x0516e41c) /* 0.318088637 */, 18 }, + /* 4908 */ { MAD_F(0x05173ebe) /* 0.318175071 */, 18 }, + /* 4909 */ { MAD_F(0x05179962) /* 0.318261511 */, 18 }, + /* 4910 */ { MAD_F(0x0517f407) /* 0.318347957 */, 18 }, + /* 4911 */ { MAD_F(0x05184eae) /* 0.318434409 */, 18 }, + + /* 4912 */ { MAD_F(0x0518a956) /* 0.318520867 */, 18 }, + /* 4913 */ { MAD_F(0x05190400) /* 0.318607330 */, 18 }, + /* 4914 */ { MAD_F(0x05195eab) /* 0.318693800 */, 18 }, + /* 4915 */ { MAD_F(0x0519b958) /* 0.318780275 */, 18 }, + /* 4916 */ { MAD_F(0x051a1407) /* 0.318866756 */, 18 }, + /* 4917 */ { MAD_F(0x051a6eb7) /* 0.318953243 */, 18 }, + /* 4918 */ { MAD_F(0x051ac969) /* 0.319039736 */, 18 }, + /* 4919 */ { MAD_F(0x051b241c) /* 0.319126235 */, 18 }, + /* 4920 */ { MAD_F(0x051b7ed1) /* 0.319212739 */, 18 }, + /* 4921 */ { MAD_F(0x051bd987) /* 0.319299250 */, 18 }, + /* 4922 */ { MAD_F(0x051c3440) /* 0.319385766 */, 18 }, + /* 4923 */ { MAD_F(0x051c8ef9) /* 0.319472288 */, 18 }, + /* 4924 */ { MAD_F(0x051ce9b4) /* 0.319558816 */, 18 }, + /* 4925 */ { MAD_F(0x051d4471) /* 0.319645350 */, 18 }, + /* 4926 */ { MAD_F(0x051d9f2f) /* 0.319731890 */, 18 }, + /* 4927 */ { MAD_F(0x051df9ef) /* 0.319818435 */, 18 }, + + /* 4928 */ { MAD_F(0x051e54b1) /* 0.319904987 */, 18 }, + /* 4929 */ { MAD_F(0x051eaf74) /* 0.319991544 */, 18 }, + /* 4930 */ { MAD_F(0x051f0a38) /* 0.320078107 */, 18 }, + /* 4931 */ { MAD_F(0x051f64ff) /* 0.320164676 */, 18 }, + /* 4932 */ { MAD_F(0x051fbfc6) /* 0.320251251 */, 18 }, + /* 4933 */ { MAD_F(0x05201a90) /* 0.320337832 */, 18 }, + /* 4934 */ { MAD_F(0x0520755b) /* 0.320424419 */, 18 }, + /* 4935 */ { MAD_F(0x0520d027) /* 0.320511011 */, 18 }, + /* 4936 */ { MAD_F(0x05212af5) /* 0.320597609 */, 18 }, + /* 4937 */ { MAD_F(0x052185c5) /* 0.320684213 */, 18 }, + /* 4938 */ { MAD_F(0x0521e096) /* 0.320770823 */, 18 }, + /* 4939 */ { MAD_F(0x05223b69) /* 0.320857439 */, 18 }, + /* 4940 */ { MAD_F(0x0522963d) /* 0.320944061 */, 18 }, + /* 4941 */ { MAD_F(0x0522f113) /* 0.321030688 */, 18 }, + /* 4942 */ { MAD_F(0x05234bea) /* 0.321117322 */, 18 }, + /* 4943 */ { MAD_F(0x0523a6c3) /* 0.321203961 */, 18 }, + + /* 4944 */ { MAD_F(0x0524019e) /* 0.321290606 */, 18 }, + /* 4945 */ { MAD_F(0x05245c7a) /* 0.321377257 */, 18 }, + /* 4946 */ { MAD_F(0x0524b758) /* 0.321463913 */, 18 }, + /* 4947 */ { MAD_F(0x05251237) /* 0.321550576 */, 18 }, + /* 4948 */ { MAD_F(0x05256d18) /* 0.321637244 */, 18 }, + /* 4949 */ { MAD_F(0x0525c7fb) /* 0.321723919 */, 18 }, + /* 4950 */ { MAD_F(0x052622df) /* 0.321810599 */, 18 }, + /* 4951 */ { MAD_F(0x05267dc4) /* 0.321897285 */, 18 }, + /* 4952 */ { MAD_F(0x0526d8ab) /* 0.321983976 */, 18 }, + /* 4953 */ { MAD_F(0x05273394) /* 0.322070674 */, 18 }, + /* 4954 */ { MAD_F(0x05278e7e) /* 0.322157377 */, 18 }, + /* 4955 */ { MAD_F(0x0527e96a) /* 0.322244087 */, 18 }, + /* 4956 */ { MAD_F(0x05284457) /* 0.322330802 */, 18 }, + /* 4957 */ { MAD_F(0x05289f46) /* 0.322417523 */, 18 }, + /* 4958 */ { MAD_F(0x0528fa37) /* 0.322504249 */, 18 }, + /* 4959 */ { MAD_F(0x05295529) /* 0.322590982 */, 18 }, + + /* 4960 */ { MAD_F(0x0529b01d) /* 0.322677720 */, 18 }, + /* 4961 */ { MAD_F(0x052a0b12) /* 0.322764465 */, 18 }, + /* 4962 */ { MAD_F(0x052a6609) /* 0.322851215 */, 18 }, + /* 4963 */ { MAD_F(0x052ac101) /* 0.322937971 */, 18 }, + /* 4964 */ { MAD_F(0x052b1bfb) /* 0.323024732 */, 18 }, + /* 4965 */ { MAD_F(0x052b76f7) /* 0.323111500 */, 18 }, + /* 4966 */ { MAD_F(0x052bd1f4) /* 0.323198273 */, 18 }, + /* 4967 */ { MAD_F(0x052c2cf2) /* 0.323285052 */, 18 }, + /* 4968 */ { MAD_F(0x052c87f2) /* 0.323371837 */, 18 }, + /* 4969 */ { MAD_F(0x052ce2f4) /* 0.323458628 */, 18 }, + /* 4970 */ { MAD_F(0x052d3df7) /* 0.323545425 */, 18 }, + /* 4971 */ { MAD_F(0x052d98fc) /* 0.323632227 */, 18 }, + /* 4972 */ { MAD_F(0x052df403) /* 0.323719036 */, 18 }, + /* 4973 */ { MAD_F(0x052e4f0b) /* 0.323805850 */, 18 }, + /* 4974 */ { MAD_F(0x052eaa14) /* 0.323892670 */, 18 }, + /* 4975 */ { MAD_F(0x052f051f) /* 0.323979496 */, 18 }, + + /* 4976 */ { MAD_F(0x052f602c) /* 0.324066327 */, 18 }, + /* 4977 */ { MAD_F(0x052fbb3a) /* 0.324153165 */, 18 }, + /* 4978 */ { MAD_F(0x0530164a) /* 0.324240008 */, 18 }, + /* 4979 */ { MAD_F(0x0530715b) /* 0.324326857 */, 18 }, + /* 4980 */ { MAD_F(0x0530cc6e) /* 0.324413712 */, 18 }, + /* 4981 */ { MAD_F(0x05312783) /* 0.324500572 */, 18 }, + /* 4982 */ { MAD_F(0x05318299) /* 0.324587439 */, 18 }, + /* 4983 */ { MAD_F(0x0531ddb0) /* 0.324674311 */, 18 }, + /* 4984 */ { MAD_F(0x053238ca) /* 0.324761189 */, 18 }, + /* 4985 */ { MAD_F(0x053293e4) /* 0.324848073 */, 18 }, + /* 4986 */ { MAD_F(0x0532ef01) /* 0.324934963 */, 18 }, + /* 4987 */ { MAD_F(0x05334a1e) /* 0.325021858 */, 18 }, + /* 4988 */ { MAD_F(0x0533a53e) /* 0.325108760 */, 18 }, + /* 4989 */ { MAD_F(0x0534005f) /* 0.325195667 */, 18 }, + /* 4990 */ { MAD_F(0x05345b81) /* 0.325282580 */, 18 }, + /* 4991 */ { MAD_F(0x0534b6a5) /* 0.325369498 */, 18 }, + + /* 4992 */ { MAD_F(0x053511cb) /* 0.325456423 */, 18 }, + /* 4993 */ { MAD_F(0x05356cf2) /* 0.325543353 */, 18 }, + /* 4994 */ { MAD_F(0x0535c81b) /* 0.325630290 */, 18 }, + /* 4995 */ { MAD_F(0x05362345) /* 0.325717232 */, 18 }, + /* 4996 */ { MAD_F(0x05367e71) /* 0.325804179 */, 18 }, + /* 4997 */ { MAD_F(0x0536d99f) /* 0.325891133 */, 18 }, + /* 4998 */ { MAD_F(0x053734ce) /* 0.325978092 */, 18 }, + /* 4999 */ { MAD_F(0x05378ffe) /* 0.326065057 */, 18 }, + /* 5000 */ { MAD_F(0x0537eb30) /* 0.326152028 */, 18 }, + /* 5001 */ { MAD_F(0x05384664) /* 0.326239005 */, 18 }, + /* 5002 */ { MAD_F(0x0538a199) /* 0.326325988 */, 18 }, + /* 5003 */ { MAD_F(0x0538fcd0) /* 0.326412976 */, 18 }, + /* 5004 */ { MAD_F(0x05395808) /* 0.326499970 */, 18 }, + /* 5005 */ { MAD_F(0x0539b342) /* 0.326586970 */, 18 }, + /* 5006 */ { MAD_F(0x053a0e7d) /* 0.326673976 */, 18 }, + /* 5007 */ { MAD_F(0x053a69ba) /* 0.326760988 */, 18 }, + + /* 5008 */ { MAD_F(0x053ac4f9) /* 0.326848005 */, 18 }, + /* 5009 */ { MAD_F(0x053b2039) /* 0.326935028 */, 18 }, + /* 5010 */ { MAD_F(0x053b7b7b) /* 0.327022057 */, 18 }, + /* 5011 */ { MAD_F(0x053bd6be) /* 0.327109092 */, 18 }, + /* 5012 */ { MAD_F(0x053c3203) /* 0.327196132 */, 18 }, + /* 5013 */ { MAD_F(0x053c8d49) /* 0.327283178 */, 18 }, + /* 5014 */ { MAD_F(0x053ce891) /* 0.327370231 */, 18 }, + /* 5015 */ { MAD_F(0x053d43da) /* 0.327457288 */, 18 }, + /* 5016 */ { MAD_F(0x053d9f25) /* 0.327544352 */, 18 }, + /* 5017 */ { MAD_F(0x053dfa72) /* 0.327631421 */, 18 }, + /* 5018 */ { MAD_F(0x053e55c0) /* 0.327718497 */, 18 }, + /* 5019 */ { MAD_F(0x053eb10f) /* 0.327805578 */, 18 }, + /* 5020 */ { MAD_F(0x053f0c61) /* 0.327892665 */, 18 }, + /* 5021 */ { MAD_F(0x053f67b3) /* 0.327979757 */, 18 }, + /* 5022 */ { MAD_F(0x053fc308) /* 0.328066855 */, 18 }, + /* 5023 */ { MAD_F(0x05401e5e) /* 0.328153960 */, 18 }, + + /* 5024 */ { MAD_F(0x054079b5) /* 0.328241070 */, 18 }, + /* 5025 */ { MAD_F(0x0540d50e) /* 0.328328185 */, 18 }, + /* 5026 */ { MAD_F(0x05413068) /* 0.328415307 */, 18 }, + /* 5027 */ { MAD_F(0x05418bc4) /* 0.328502434 */, 18 }, + /* 5028 */ { MAD_F(0x0541e722) /* 0.328589567 */, 18 }, + /* 5029 */ { MAD_F(0x05424281) /* 0.328676706 */, 18 }, + /* 5030 */ { MAD_F(0x05429de2) /* 0.328763850 */, 18 }, + /* 5031 */ { MAD_F(0x0542f944) /* 0.328851001 */, 18 }, + /* 5032 */ { MAD_F(0x054354a8) /* 0.328938157 */, 18 }, + /* 5033 */ { MAD_F(0x0543b00d) /* 0.329025319 */, 18 }, + /* 5034 */ { MAD_F(0x05440b74) /* 0.329112486 */, 18 }, + /* 5035 */ { MAD_F(0x054466dd) /* 0.329199660 */, 18 }, + /* 5036 */ { MAD_F(0x0544c247) /* 0.329286839 */, 18 }, + /* 5037 */ { MAD_F(0x05451db2) /* 0.329374024 */, 18 }, + /* 5038 */ { MAD_F(0x0545791f) /* 0.329461215 */, 18 }, + /* 5039 */ { MAD_F(0x0545d48e) /* 0.329548411 */, 18 }, + + /* 5040 */ { MAD_F(0x05462ffe) /* 0.329635614 */, 18 }, + /* 5041 */ { MAD_F(0x05468b70) /* 0.329722822 */, 18 }, + /* 5042 */ { MAD_F(0x0546e6e3) /* 0.329810036 */, 18 }, + /* 5043 */ { MAD_F(0x05474258) /* 0.329897255 */, 18 }, + /* 5044 */ { MAD_F(0x05479dce) /* 0.329984481 */, 18 }, + /* 5045 */ { MAD_F(0x0547f946) /* 0.330071712 */, 18 }, + /* 5046 */ { MAD_F(0x054854c0) /* 0.330158949 */, 18 }, + /* 5047 */ { MAD_F(0x0548b03b) /* 0.330246191 */, 18 }, + /* 5048 */ { MAD_F(0x05490bb7) /* 0.330333440 */, 18 }, + /* 5049 */ { MAD_F(0x05496735) /* 0.330420694 */, 18 }, + /* 5050 */ { MAD_F(0x0549c2b5) /* 0.330507954 */, 18 }, + /* 5051 */ { MAD_F(0x054a1e36) /* 0.330595220 */, 18 }, + /* 5052 */ { MAD_F(0x054a79b9) /* 0.330682491 */, 18 }, + /* 5053 */ { MAD_F(0x054ad53d) /* 0.330769768 */, 18 }, + /* 5054 */ { MAD_F(0x054b30c3) /* 0.330857051 */, 18 }, + /* 5055 */ { MAD_F(0x054b8c4b) /* 0.330944340 */, 18 }, + + /* 5056 */ { MAD_F(0x054be7d4) /* 0.331031635 */, 18 }, + /* 5057 */ { MAD_F(0x054c435e) /* 0.331118935 */, 18 }, + /* 5058 */ { MAD_F(0x054c9eea) /* 0.331206241 */, 18 }, + /* 5059 */ { MAD_F(0x054cfa78) /* 0.331293553 */, 18 }, + /* 5060 */ { MAD_F(0x054d5607) /* 0.331380870 */, 18 }, + /* 5061 */ { MAD_F(0x054db197) /* 0.331468193 */, 18 }, + /* 5062 */ { MAD_F(0x054e0d2a) /* 0.331555522 */, 18 }, + /* 5063 */ { MAD_F(0x054e68bd) /* 0.331642857 */, 18 }, + /* 5064 */ { MAD_F(0x054ec453) /* 0.331730198 */, 18 }, + /* 5065 */ { MAD_F(0x054f1fe9) /* 0.331817544 */, 18 }, + /* 5066 */ { MAD_F(0x054f7b82) /* 0.331904896 */, 18 }, + /* 5067 */ { MAD_F(0x054fd71c) /* 0.331992254 */, 18 }, + /* 5068 */ { MAD_F(0x055032b7) /* 0.332079617 */, 18 }, + /* 5069 */ { MAD_F(0x05508e54) /* 0.332166986 */, 18 }, + /* 5070 */ { MAD_F(0x0550e9f3) /* 0.332254361 */, 18 }, + /* 5071 */ { MAD_F(0x05514593) /* 0.332341742 */, 18 }, + + /* 5072 */ { MAD_F(0x0551a134) /* 0.332429129 */, 18 }, + /* 5073 */ { MAD_F(0x0551fcd8) /* 0.332516521 */, 18 }, + /* 5074 */ { MAD_F(0x0552587c) /* 0.332603919 */, 18 }, + /* 5075 */ { MAD_F(0x0552b423) /* 0.332691323 */, 18 }, + /* 5076 */ { MAD_F(0x05530fca) /* 0.332778732 */, 18 }, + /* 5077 */ { MAD_F(0x05536b74) /* 0.332866147 */, 18 }, + /* 5078 */ { MAD_F(0x0553c71f) /* 0.332953568 */, 18 }, + /* 5079 */ { MAD_F(0x055422cb) /* 0.333040995 */, 18 }, + /* 5080 */ { MAD_F(0x05547e79) /* 0.333128427 */, 18 }, + /* 5081 */ { MAD_F(0x0554da29) /* 0.333215865 */, 18 }, + /* 5082 */ { MAD_F(0x055535da) /* 0.333303309 */, 18 }, + /* 5083 */ { MAD_F(0x0555918c) /* 0.333390759 */, 18 }, + /* 5084 */ { MAD_F(0x0555ed40) /* 0.333478214 */, 18 }, + /* 5085 */ { MAD_F(0x055648f6) /* 0.333565675 */, 18 }, + /* 5086 */ { MAD_F(0x0556a4ad) /* 0.333653142 */, 18 }, + /* 5087 */ { MAD_F(0x05570066) /* 0.333740615 */, 18 }, + + /* 5088 */ { MAD_F(0x05575c20) /* 0.333828093 */, 18 }, + /* 5089 */ { MAD_F(0x0557b7dc) /* 0.333915577 */, 18 }, + /* 5090 */ { MAD_F(0x05581399) /* 0.334003067 */, 18 }, + /* 5091 */ { MAD_F(0x05586f58) /* 0.334090562 */, 18 }, + /* 5092 */ { MAD_F(0x0558cb19) /* 0.334178063 */, 18 }, + /* 5093 */ { MAD_F(0x055926db) /* 0.334265570 */, 18 }, + /* 5094 */ { MAD_F(0x0559829e) /* 0.334353083 */, 18 }, + /* 5095 */ { MAD_F(0x0559de63) /* 0.334440601 */, 18 }, + /* 5096 */ { MAD_F(0x055a3a2a) /* 0.334528126 */, 18 }, + /* 5097 */ { MAD_F(0x055a95f2) /* 0.334615655 */, 18 }, + /* 5098 */ { MAD_F(0x055af1bb) /* 0.334703191 */, 18 }, + /* 5099 */ { MAD_F(0x055b4d87) /* 0.334790732 */, 18 }, + /* 5100 */ { MAD_F(0x055ba953) /* 0.334878279 */, 18 }, + /* 5101 */ { MAD_F(0x055c0522) /* 0.334965832 */, 18 }, + /* 5102 */ { MAD_F(0x055c60f1) /* 0.335053391 */, 18 }, + /* 5103 */ { MAD_F(0x055cbcc3) /* 0.335140955 */, 18 }, + + /* 5104 */ { MAD_F(0x055d1896) /* 0.335228525 */, 18 }, + /* 5105 */ { MAD_F(0x055d746a) /* 0.335316100 */, 18 }, + /* 5106 */ { MAD_F(0x055dd040) /* 0.335403682 */, 18 }, + /* 5107 */ { MAD_F(0x055e2c17) /* 0.335491269 */, 18 }, + /* 5108 */ { MAD_F(0x055e87f0) /* 0.335578861 */, 18 }, + /* 5109 */ { MAD_F(0x055ee3cb) /* 0.335666460 */, 18 }, + /* 5110 */ { MAD_F(0x055f3fa7) /* 0.335754064 */, 18 }, + /* 5111 */ { MAD_F(0x055f9b85) /* 0.335841674 */, 18 }, + /* 5112 */ { MAD_F(0x055ff764) /* 0.335929290 */, 18 }, + /* 5113 */ { MAD_F(0x05605344) /* 0.336016911 */, 18 }, + /* 5114 */ { MAD_F(0x0560af27) /* 0.336104538 */, 18 }, + /* 5115 */ { MAD_F(0x05610b0a) /* 0.336192171 */, 18 }, + /* 5116 */ { MAD_F(0x056166f0) /* 0.336279809 */, 18 }, + /* 5117 */ { MAD_F(0x0561c2d7) /* 0.336367453 */, 18 }, + /* 5118 */ { MAD_F(0x05621ebf) /* 0.336455103 */, 18 }, + /* 5119 */ { MAD_F(0x05627aa9) /* 0.336542759 */, 18 }, + + /* 5120 */ { MAD_F(0x0562d694) /* 0.336630420 */, 18 }, + /* 5121 */ { MAD_F(0x05633281) /* 0.336718087 */, 18 }, + /* 5122 */ { MAD_F(0x05638e70) /* 0.336805760 */, 18 }, + /* 5123 */ { MAD_F(0x0563ea60) /* 0.336893439 */, 18 }, + /* 5124 */ { MAD_F(0x05644651) /* 0.336981123 */, 18 }, + /* 5125 */ { MAD_F(0x0564a244) /* 0.337068813 */, 18 }, + /* 5126 */ { MAD_F(0x0564fe39) /* 0.337156508 */, 18 }, + /* 5127 */ { MAD_F(0x05655a2f) /* 0.337244209 */, 18 }, + /* 5128 */ { MAD_F(0x0565b627) /* 0.337331916 */, 18 }, + /* 5129 */ { MAD_F(0x05661220) /* 0.337419629 */, 18 }, + /* 5130 */ { MAD_F(0x05666e1a) /* 0.337507347 */, 18 }, + /* 5131 */ { MAD_F(0x0566ca17) /* 0.337595071 */, 18 }, + /* 5132 */ { MAD_F(0x05672614) /* 0.337682801 */, 18 }, + /* 5133 */ { MAD_F(0x05678214) /* 0.337770537 */, 18 }, + /* 5134 */ { MAD_F(0x0567de15) /* 0.337858278 */, 18 }, + /* 5135 */ { MAD_F(0x05683a17) /* 0.337946025 */, 18 }, + + /* 5136 */ { MAD_F(0x0568961b) /* 0.338033777 */, 18 }, + /* 5137 */ { MAD_F(0x0568f220) /* 0.338121535 */, 18 }, + /* 5138 */ { MAD_F(0x05694e27) /* 0.338209299 */, 18 }, + /* 5139 */ { MAD_F(0x0569aa30) /* 0.338297069 */, 18 }, + /* 5140 */ { MAD_F(0x056a063a) /* 0.338384844 */, 18 }, + /* 5141 */ { MAD_F(0x056a6245) /* 0.338472625 */, 18 }, + /* 5142 */ { MAD_F(0x056abe52) /* 0.338560412 */, 18 }, + /* 5143 */ { MAD_F(0x056b1a61) /* 0.338648204 */, 18 }, + /* 5144 */ { MAD_F(0x056b7671) /* 0.338736002 */, 18 }, + /* 5145 */ { MAD_F(0x056bd283) /* 0.338823806 */, 18 }, + /* 5146 */ { MAD_F(0x056c2e96) /* 0.338911616 */, 18 }, + /* 5147 */ { MAD_F(0x056c8aab) /* 0.338999431 */, 18 }, + /* 5148 */ { MAD_F(0x056ce6c1) /* 0.339087252 */, 18 }, + /* 5149 */ { MAD_F(0x056d42d9) /* 0.339175078 */, 18 }, + /* 5150 */ { MAD_F(0x056d9ef2) /* 0.339262910 */, 18 }, + /* 5151 */ { MAD_F(0x056dfb0d) /* 0.339350748 */, 18 }, + + /* 5152 */ { MAD_F(0x056e5729) /* 0.339438592 */, 18 }, + /* 5153 */ { MAD_F(0x056eb347) /* 0.339526441 */, 18 }, + /* 5154 */ { MAD_F(0x056f0f66) /* 0.339614296 */, 18 }, + /* 5155 */ { MAD_F(0x056f6b87) /* 0.339702157 */, 18 }, + /* 5156 */ { MAD_F(0x056fc7aa) /* 0.339790023 */, 18 }, + /* 5157 */ { MAD_F(0x057023cd) /* 0.339877895 */, 18 }, + /* 5158 */ { MAD_F(0x05707ff3) /* 0.339965773 */, 18 }, + /* 5159 */ { MAD_F(0x0570dc1a) /* 0.340053656 */, 18 }, + /* 5160 */ { MAD_F(0x05713843) /* 0.340141545 */, 18 }, + /* 5161 */ { MAD_F(0x0571946d) /* 0.340229440 */, 18 }, + /* 5162 */ { MAD_F(0x0571f098) /* 0.340317340 */, 18 }, + /* 5163 */ { MAD_F(0x05724cc5) /* 0.340405246 */, 18 }, + /* 5164 */ { MAD_F(0x0572a8f4) /* 0.340493158 */, 18 }, + /* 5165 */ { MAD_F(0x05730524) /* 0.340581075 */, 18 }, + /* 5166 */ { MAD_F(0x05736156) /* 0.340668999 */, 18 }, + /* 5167 */ { MAD_F(0x0573bd89) /* 0.340756927 */, 18 }, + + /* 5168 */ { MAD_F(0x057419be) /* 0.340844862 */, 18 }, + /* 5169 */ { MAD_F(0x057475f4) /* 0.340932802 */, 18 }, + /* 5170 */ { MAD_F(0x0574d22c) /* 0.341020748 */, 18 }, + /* 5171 */ { MAD_F(0x05752e65) /* 0.341108699 */, 18 }, + /* 5172 */ { MAD_F(0x05758aa0) /* 0.341196656 */, 18 }, + /* 5173 */ { MAD_F(0x0575e6dc) /* 0.341284619 */, 18 }, + /* 5174 */ { MAD_F(0x0576431a) /* 0.341372587 */, 18 }, + /* 5175 */ { MAD_F(0x05769f59) /* 0.341460562 */, 18 }, + /* 5176 */ { MAD_F(0x0576fb9a) /* 0.341548541 */, 18 }, + /* 5177 */ { MAD_F(0x057757dd) /* 0.341636527 */, 18 }, + /* 5178 */ { MAD_F(0x0577b421) /* 0.341724518 */, 18 }, + /* 5179 */ { MAD_F(0x05781066) /* 0.341812515 */, 18 }, + /* 5180 */ { MAD_F(0x05786cad) /* 0.341900517 */, 18 }, + /* 5181 */ { MAD_F(0x0578c8f5) /* 0.341988525 */, 18 }, + /* 5182 */ { MAD_F(0x0579253f) /* 0.342076539 */, 18 }, + /* 5183 */ { MAD_F(0x0579818b) /* 0.342164558 */, 18 }, + + /* 5184 */ { MAD_F(0x0579ddd8) /* 0.342252584 */, 18 }, + /* 5185 */ { MAD_F(0x057a3a27) /* 0.342340614 */, 18 }, + /* 5186 */ { MAD_F(0x057a9677) /* 0.342428651 */, 18 }, + /* 5187 */ { MAD_F(0x057af2c8) /* 0.342516693 */, 18 }, + /* 5188 */ { MAD_F(0x057b4f1c) /* 0.342604741 */, 18 }, + /* 5189 */ { MAD_F(0x057bab70) /* 0.342692794 */, 18 }, + /* 5190 */ { MAD_F(0x057c07c6) /* 0.342780853 */, 18 }, + /* 5191 */ { MAD_F(0x057c641e) /* 0.342868918 */, 18 }, + /* 5192 */ { MAD_F(0x057cc077) /* 0.342956988 */, 18 }, + /* 5193 */ { MAD_F(0x057d1cd2) /* 0.343045064 */, 18 }, + /* 5194 */ { MAD_F(0x057d792e) /* 0.343133146 */, 18 }, + /* 5195 */ { MAD_F(0x057dd58c) /* 0.343221233 */, 18 }, + /* 5196 */ { MAD_F(0x057e31eb) /* 0.343309326 */, 18 }, + /* 5197 */ { MAD_F(0x057e8e4c) /* 0.343397425 */, 18 }, + /* 5198 */ { MAD_F(0x057eeaae) /* 0.343485529 */, 18 }, + /* 5199 */ { MAD_F(0x057f4712) /* 0.343573639 */, 18 }, + + /* 5200 */ { MAD_F(0x057fa378) /* 0.343661754 */, 18 }, + /* 5201 */ { MAD_F(0x057fffde) /* 0.343749876 */, 18 }, + /* 5202 */ { MAD_F(0x05805c47) /* 0.343838003 */, 18 }, + /* 5203 */ { MAD_F(0x0580b8b1) /* 0.343926135 */, 18 }, + /* 5204 */ { MAD_F(0x0581151c) /* 0.344014273 */, 18 }, + /* 5205 */ { MAD_F(0x05817189) /* 0.344102417 */, 18 }, + /* 5206 */ { MAD_F(0x0581cdf7) /* 0.344190566 */, 18 }, + /* 5207 */ { MAD_F(0x05822a67) /* 0.344278722 */, 18 }, + /* 5208 */ { MAD_F(0x058286d9) /* 0.344366882 */, 18 }, + /* 5209 */ { MAD_F(0x0582e34c) /* 0.344455049 */, 18 }, + /* 5210 */ { MAD_F(0x05833fc0) /* 0.344543221 */, 18 }, + /* 5211 */ { MAD_F(0x05839c36) /* 0.344631398 */, 18 }, + /* 5212 */ { MAD_F(0x0583f8ae) /* 0.344719582 */, 18 }, + /* 5213 */ { MAD_F(0x05845527) /* 0.344807771 */, 18 }, + /* 5214 */ { MAD_F(0x0584b1a1) /* 0.344895965 */, 18 }, + /* 5215 */ { MAD_F(0x05850e1e) /* 0.344984165 */, 18 }, + + /* 5216 */ { MAD_F(0x05856a9b) /* 0.345072371 */, 18 }, + /* 5217 */ { MAD_F(0x0585c71a) /* 0.345160583 */, 18 }, + /* 5218 */ { MAD_F(0x0586239b) /* 0.345248800 */, 18 }, + /* 5219 */ { MAD_F(0x0586801d) /* 0.345337023 */, 18 }, + /* 5220 */ { MAD_F(0x0586dca1) /* 0.345425251 */, 18 }, + /* 5221 */ { MAD_F(0x05873926) /* 0.345513485 */, 18 }, + /* 5222 */ { MAD_F(0x058795ac) /* 0.345601725 */, 18 }, + /* 5223 */ { MAD_F(0x0587f235) /* 0.345689970 */, 18 }, + /* 5224 */ { MAD_F(0x05884ebe) /* 0.345778221 */, 18 }, + /* 5225 */ { MAD_F(0x0588ab49) /* 0.345866478 */, 18 }, + /* 5226 */ { MAD_F(0x058907d6) /* 0.345954740 */, 18 }, + /* 5227 */ { MAD_F(0x05896464) /* 0.346043008 */, 18 }, + /* 5228 */ { MAD_F(0x0589c0f4) /* 0.346131281 */, 18 }, + /* 5229 */ { MAD_F(0x058a1d85) /* 0.346219560 */, 18 }, + /* 5230 */ { MAD_F(0x058a7a18) /* 0.346307845 */, 18 }, + /* 5231 */ { MAD_F(0x058ad6ac) /* 0.346396135 */, 18 }, + + /* 5232 */ { MAD_F(0x058b3342) /* 0.346484431 */, 18 }, + /* 5233 */ { MAD_F(0x058b8fd9) /* 0.346572733 */, 18 }, + /* 5234 */ { MAD_F(0x058bec72) /* 0.346661040 */, 18 }, + /* 5235 */ { MAD_F(0x058c490c) /* 0.346749353 */, 18 }, + /* 5236 */ { MAD_F(0x058ca5a8) /* 0.346837671 */, 18 }, + /* 5237 */ { MAD_F(0x058d0246) /* 0.346925996 */, 18 }, + /* 5238 */ { MAD_F(0x058d5ee4) /* 0.347014325 */, 18 }, + /* 5239 */ { MAD_F(0x058dbb85) /* 0.347102661 */, 18 }, + /* 5240 */ { MAD_F(0x058e1827) /* 0.347191002 */, 18 }, + /* 5241 */ { MAD_F(0x058e74ca) /* 0.347279348 */, 18 }, + /* 5242 */ { MAD_F(0x058ed16f) /* 0.347367700 */, 18 }, + /* 5243 */ { MAD_F(0x058f2e15) /* 0.347456058 */, 18 }, + /* 5244 */ { MAD_F(0x058f8abd) /* 0.347544422 */, 18 }, + /* 5245 */ { MAD_F(0x058fe766) /* 0.347632791 */, 18 }, + /* 5246 */ { MAD_F(0x05904411) /* 0.347721165 */, 18 }, + /* 5247 */ { MAD_F(0x0590a0be) /* 0.347809546 */, 18 }, + + /* 5248 */ { MAD_F(0x0590fd6c) /* 0.347897931 */, 18 }, + /* 5249 */ { MAD_F(0x05915a1b) /* 0.347986323 */, 18 }, + /* 5250 */ { MAD_F(0x0591b6cc) /* 0.348074720 */, 18 }, + /* 5251 */ { MAD_F(0x0592137e) /* 0.348163123 */, 18 }, + /* 5252 */ { MAD_F(0x05927032) /* 0.348251531 */, 18 }, + /* 5253 */ { MAD_F(0x0592cce8) /* 0.348339945 */, 18 }, + /* 5254 */ { MAD_F(0x0593299f) /* 0.348428365 */, 18 }, + /* 5255 */ { MAD_F(0x05938657) /* 0.348516790 */, 18 }, + /* 5256 */ { MAD_F(0x0593e311) /* 0.348605221 */, 18 }, + /* 5257 */ { MAD_F(0x05943fcd) /* 0.348693657 */, 18 }, + /* 5258 */ { MAD_F(0x05949c8a) /* 0.348782099 */, 18 }, + /* 5259 */ { MAD_F(0x0594f948) /* 0.348870547 */, 18 }, + /* 5260 */ { MAD_F(0x05955608) /* 0.348959000 */, 18 }, + /* 5261 */ { MAD_F(0x0595b2ca) /* 0.349047459 */, 18 }, + /* 5262 */ { MAD_F(0x05960f8c) /* 0.349135923 */, 18 }, + /* 5263 */ { MAD_F(0x05966c51) /* 0.349224393 */, 18 }, + + /* 5264 */ { MAD_F(0x0596c917) /* 0.349312869 */, 18 }, + /* 5265 */ { MAD_F(0x059725de) /* 0.349401350 */, 18 }, + /* 5266 */ { MAD_F(0x059782a7) /* 0.349489837 */, 18 }, + /* 5267 */ { MAD_F(0x0597df72) /* 0.349578329 */, 18 }, + /* 5268 */ { MAD_F(0x05983c3e) /* 0.349666827 */, 18 }, + /* 5269 */ { MAD_F(0x0598990c) /* 0.349755331 */, 18 }, + /* 5270 */ { MAD_F(0x0598f5db) /* 0.349843840 */, 18 }, + /* 5271 */ { MAD_F(0x059952ab) /* 0.349932355 */, 18 }, + /* 5272 */ { MAD_F(0x0599af7d) /* 0.350020876 */, 18 }, + /* 5273 */ { MAD_F(0x059a0c51) /* 0.350109402 */, 18 }, + /* 5274 */ { MAD_F(0x059a6926) /* 0.350197933 */, 18 }, + /* 5275 */ { MAD_F(0x059ac5fc) /* 0.350286470 */, 18 }, + /* 5276 */ { MAD_F(0x059b22d4) /* 0.350375013 */, 18 }, + /* 5277 */ { MAD_F(0x059b7fae) /* 0.350463562 */, 18 }, + /* 5278 */ { MAD_F(0x059bdc89) /* 0.350552116 */, 18 }, + /* 5279 */ { MAD_F(0x059c3965) /* 0.350640675 */, 18 }, + + /* 5280 */ { MAD_F(0x059c9643) /* 0.350729240 */, 18 }, + /* 5281 */ { MAD_F(0x059cf323) /* 0.350817811 */, 18 }, + /* 5282 */ { MAD_F(0x059d5004) /* 0.350906388 */, 18 }, + /* 5283 */ { MAD_F(0x059dace6) /* 0.350994970 */, 18 }, + /* 5284 */ { MAD_F(0x059e09cb) /* 0.351083557 */, 18 }, + /* 5285 */ { MAD_F(0x059e66b0) /* 0.351172150 */, 18 }, + /* 5286 */ { MAD_F(0x059ec397) /* 0.351260749 */, 18 }, + /* 5287 */ { MAD_F(0x059f2080) /* 0.351349353 */, 18 }, + /* 5288 */ { MAD_F(0x059f7d6a) /* 0.351437963 */, 18 }, + /* 5289 */ { MAD_F(0x059fda55) /* 0.351526579 */, 18 }, + /* 5290 */ { MAD_F(0x05a03742) /* 0.351615200 */, 18 }, + /* 5291 */ { MAD_F(0x05a09431) /* 0.351703827 */, 18 }, + /* 5292 */ { MAD_F(0x05a0f121) /* 0.351792459 */, 18 }, + /* 5293 */ { MAD_F(0x05a14e12) /* 0.351881097 */, 18 }, + /* 5294 */ { MAD_F(0x05a1ab05) /* 0.351969740 */, 18 }, + /* 5295 */ { MAD_F(0x05a207fa) /* 0.352058389 */, 18 }, + + /* 5296 */ { MAD_F(0x05a264f0) /* 0.352147044 */, 18 }, + /* 5297 */ { MAD_F(0x05a2c1e7) /* 0.352235704 */, 18 }, + /* 5298 */ { MAD_F(0x05a31ee1) /* 0.352324369 */, 18 }, + /* 5299 */ { MAD_F(0x05a37bdb) /* 0.352413041 */, 18 }, + /* 5300 */ { MAD_F(0x05a3d8d7) /* 0.352501718 */, 18 }, + /* 5301 */ { MAD_F(0x05a435d5) /* 0.352590400 */, 18 }, + /* 5302 */ { MAD_F(0x05a492d4) /* 0.352679088 */, 18 }, + /* 5303 */ { MAD_F(0x05a4efd4) /* 0.352767782 */, 18 }, + /* 5304 */ { MAD_F(0x05a54cd6) /* 0.352856481 */, 18 }, + /* 5305 */ { MAD_F(0x05a5a9da) /* 0.352945186 */, 18 }, + /* 5306 */ { MAD_F(0x05a606df) /* 0.353033896 */, 18 }, + /* 5307 */ { MAD_F(0x05a663e5) /* 0.353122612 */, 18 }, + /* 5308 */ { MAD_F(0x05a6c0ed) /* 0.353211333 */, 18 }, + /* 5309 */ { MAD_F(0x05a71df7) /* 0.353300061 */, 18 }, + /* 5310 */ { MAD_F(0x05a77b02) /* 0.353388793 */, 18 }, + /* 5311 */ { MAD_F(0x05a7d80e) /* 0.353477531 */, 18 }, + + /* 5312 */ { MAD_F(0x05a8351c) /* 0.353566275 */, 18 }, + /* 5313 */ { MAD_F(0x05a8922c) /* 0.353655024 */, 18 }, + /* 5314 */ { MAD_F(0x05a8ef3c) /* 0.353743779 */, 18 }, + /* 5315 */ { MAD_F(0x05a94c4f) /* 0.353832540 */, 18 }, + /* 5316 */ { MAD_F(0x05a9a963) /* 0.353921306 */, 18 }, + /* 5317 */ { MAD_F(0x05aa0678) /* 0.354010077 */, 18 }, + /* 5318 */ { MAD_F(0x05aa638f) /* 0.354098855 */, 18 }, + /* 5319 */ { MAD_F(0x05aac0a8) /* 0.354187637 */, 18 }, + /* 5320 */ { MAD_F(0x05ab1dc2) /* 0.354276426 */, 18 }, + /* 5321 */ { MAD_F(0x05ab7add) /* 0.354365220 */, 18 }, + /* 5322 */ { MAD_F(0x05abd7fa) /* 0.354454019 */, 18 }, + /* 5323 */ { MAD_F(0x05ac3518) /* 0.354542824 */, 18 }, + /* 5324 */ { MAD_F(0x05ac9238) /* 0.354631635 */, 18 }, + /* 5325 */ { MAD_F(0x05acef5a) /* 0.354720451 */, 18 }, + /* 5326 */ { MAD_F(0x05ad4c7d) /* 0.354809272 */, 18 }, + /* 5327 */ { MAD_F(0x05ada9a1) /* 0.354898100 */, 18 }, + + /* 5328 */ { MAD_F(0x05ae06c7) /* 0.354986932 */, 18 }, + /* 5329 */ { MAD_F(0x05ae63ee) /* 0.355075771 */, 18 }, + /* 5330 */ { MAD_F(0x05aec117) /* 0.355164615 */, 18 }, + /* 5331 */ { MAD_F(0x05af1e41) /* 0.355253464 */, 18 }, + /* 5332 */ { MAD_F(0x05af7b6d) /* 0.355342319 */, 18 }, + /* 5333 */ { MAD_F(0x05afd89b) /* 0.355431180 */, 18 }, + /* 5334 */ { MAD_F(0x05b035c9) /* 0.355520046 */, 18 }, + /* 5335 */ { MAD_F(0x05b092fa) /* 0.355608917 */, 18 }, + /* 5336 */ { MAD_F(0x05b0f02b) /* 0.355697795 */, 18 }, + /* 5337 */ { MAD_F(0x05b14d5f) /* 0.355786677 */, 18 }, + /* 5338 */ { MAD_F(0x05b1aa94) /* 0.355875566 */, 18 }, + /* 5339 */ { MAD_F(0x05b207ca) /* 0.355964460 */, 18 }, + /* 5340 */ { MAD_F(0x05b26502) /* 0.356053359 */, 18 }, + /* 5341 */ { MAD_F(0x05b2c23b) /* 0.356142264 */, 18 }, + /* 5342 */ { MAD_F(0x05b31f76) /* 0.356231175 */, 18 }, + /* 5343 */ { MAD_F(0x05b37cb2) /* 0.356320091 */, 18 }, + + /* 5344 */ { MAD_F(0x05b3d9f0) /* 0.356409012 */, 18 }, + /* 5345 */ { MAD_F(0x05b4372f) /* 0.356497940 */, 18 }, + /* 5346 */ { MAD_F(0x05b4946f) /* 0.356586872 */, 18 }, + /* 5347 */ { MAD_F(0x05b4f1b2) /* 0.356675811 */, 18 }, + /* 5348 */ { MAD_F(0x05b54ef5) /* 0.356764754 */, 18 }, + /* 5349 */ { MAD_F(0x05b5ac3a) /* 0.356853704 */, 18 }, + /* 5350 */ { MAD_F(0x05b60981) /* 0.356942659 */, 18 }, + /* 5351 */ { MAD_F(0x05b666c9) /* 0.357031619 */, 18 }, + /* 5352 */ { MAD_F(0x05b6c413) /* 0.357120585 */, 18 }, + /* 5353 */ { MAD_F(0x05b7215e) /* 0.357209557 */, 18 }, + /* 5354 */ { MAD_F(0x05b77eab) /* 0.357298534 */, 18 }, + /* 5355 */ { MAD_F(0x05b7dbf9) /* 0.357387516 */, 18 }, + /* 5356 */ { MAD_F(0x05b83948) /* 0.357476504 */, 18 }, + /* 5357 */ { MAD_F(0x05b89699) /* 0.357565498 */, 18 }, + /* 5358 */ { MAD_F(0x05b8f3ec) /* 0.357654497 */, 18 }, + /* 5359 */ { MAD_F(0x05b95140) /* 0.357743502 */, 18 }, + + /* 5360 */ { MAD_F(0x05b9ae95) /* 0.357832512 */, 18 }, + /* 5361 */ { MAD_F(0x05ba0bec) /* 0.357921528 */, 18 }, + /* 5362 */ { MAD_F(0x05ba6945) /* 0.358010550 */, 18 }, + /* 5363 */ { MAD_F(0x05bac69f) /* 0.358099576 */, 18 }, + /* 5364 */ { MAD_F(0x05bb23fa) /* 0.358188609 */, 18 }, + /* 5365 */ { MAD_F(0x05bb8157) /* 0.358277647 */, 18 }, + /* 5366 */ { MAD_F(0x05bbdeb6) /* 0.358366690 */, 18 }, + /* 5367 */ { MAD_F(0x05bc3c16) /* 0.358455739 */, 18 }, + /* 5368 */ { MAD_F(0x05bc9977) /* 0.358544794 */, 18 }, + /* 5369 */ { MAD_F(0x05bcf6da) /* 0.358633854 */, 18 }, + /* 5370 */ { MAD_F(0x05bd543e) /* 0.358722920 */, 18 }, + /* 5371 */ { MAD_F(0x05bdb1a4) /* 0.358811991 */, 18 }, + /* 5372 */ { MAD_F(0x05be0f0b) /* 0.358901067 */, 18 }, + /* 5373 */ { MAD_F(0x05be6c74) /* 0.358990150 */, 18 }, + /* 5374 */ { MAD_F(0x05bec9df) /* 0.359079237 */, 18 }, + /* 5375 */ { MAD_F(0x05bf274a) /* 0.359168331 */, 18 }, + + /* 5376 */ { MAD_F(0x05bf84b8) /* 0.359257429 */, 18 }, + /* 5377 */ { MAD_F(0x05bfe226) /* 0.359346534 */, 18 }, + /* 5378 */ { MAD_F(0x05c03f97) /* 0.359435644 */, 18 }, + /* 5379 */ { MAD_F(0x05c09d08) /* 0.359524759 */, 18 }, + /* 5380 */ { MAD_F(0x05c0fa7c) /* 0.359613880 */, 18 }, + /* 5381 */ { MAD_F(0x05c157f0) /* 0.359703006 */, 18 }, + /* 5382 */ { MAD_F(0x05c1b566) /* 0.359792138 */, 18 }, + /* 5383 */ { MAD_F(0x05c212de) /* 0.359881276 */, 18 }, + /* 5384 */ { MAD_F(0x05c27057) /* 0.359970419 */, 18 }, + /* 5385 */ { MAD_F(0x05c2cdd2) /* 0.360059567 */, 18 }, + /* 5386 */ { MAD_F(0x05c32b4e) /* 0.360148721 */, 18 }, + /* 5387 */ { MAD_F(0x05c388cb) /* 0.360237881 */, 18 }, + /* 5388 */ { MAD_F(0x05c3e64b) /* 0.360327046 */, 18 }, + /* 5389 */ { MAD_F(0x05c443cb) /* 0.360416216 */, 18 }, + /* 5390 */ { MAD_F(0x05c4a14d) /* 0.360505392 */, 18 }, + /* 5391 */ { MAD_F(0x05c4fed1) /* 0.360594574 */, 18 }, + + /* 5392 */ { MAD_F(0x05c55c56) /* 0.360683761 */, 18 }, + /* 5393 */ { MAD_F(0x05c5b9dc) /* 0.360772953 */, 18 }, + /* 5394 */ { MAD_F(0x05c61764) /* 0.360862152 */, 18 }, + /* 5395 */ { MAD_F(0x05c674ed) /* 0.360951355 */, 18 }, + /* 5396 */ { MAD_F(0x05c6d278) /* 0.361040564 */, 18 }, + /* 5397 */ { MAD_F(0x05c73005) /* 0.361129779 */, 18 }, + /* 5398 */ { MAD_F(0x05c78d93) /* 0.361218999 */, 18 }, + /* 5399 */ { MAD_F(0x05c7eb22) /* 0.361308225 */, 18 }, + /* 5400 */ { MAD_F(0x05c848b3) /* 0.361397456 */, 18 }, + /* 5401 */ { MAD_F(0x05c8a645) /* 0.361486693 */, 18 }, + /* 5402 */ { MAD_F(0x05c903d9) /* 0.361575935 */, 18 }, + /* 5403 */ { MAD_F(0x05c9616e) /* 0.361665183 */, 18 }, + /* 5404 */ { MAD_F(0x05c9bf05) /* 0.361754436 */, 18 }, + /* 5405 */ { MAD_F(0x05ca1c9d) /* 0.361843695 */, 18 }, + /* 5406 */ { MAD_F(0x05ca7a37) /* 0.361932959 */, 18 }, + /* 5407 */ { MAD_F(0x05cad7d2) /* 0.362022229 */, 18 }, + + /* 5408 */ { MAD_F(0x05cb356e) /* 0.362111504 */, 18 }, + /* 5409 */ { MAD_F(0x05cb930d) /* 0.362200785 */, 18 }, + /* 5410 */ { MAD_F(0x05cbf0ac) /* 0.362290071 */, 18 }, + /* 5411 */ { MAD_F(0x05cc4e4d) /* 0.362379362 */, 18 }, + /* 5412 */ { MAD_F(0x05ccabf0) /* 0.362468660 */, 18 }, + /* 5413 */ { MAD_F(0x05cd0994) /* 0.362557962 */, 18 }, + /* 5414 */ { MAD_F(0x05cd6739) /* 0.362647271 */, 18 }, + /* 5415 */ { MAD_F(0x05cdc4e0) /* 0.362736584 */, 18 }, + /* 5416 */ { MAD_F(0x05ce2289) /* 0.362825904 */, 18 }, + /* 5417 */ { MAD_F(0x05ce8033) /* 0.362915228 */, 18 }, + /* 5418 */ { MAD_F(0x05ceddde) /* 0.363004559 */, 18 }, + /* 5419 */ { MAD_F(0x05cf3b8b) /* 0.363093894 */, 18 }, + /* 5420 */ { MAD_F(0x05cf9939) /* 0.363183236 */, 18 }, + /* 5421 */ { MAD_F(0x05cff6e9) /* 0.363272582 */, 18 }, + /* 5422 */ { MAD_F(0x05d0549a) /* 0.363361935 */, 18 }, + /* 5423 */ { MAD_F(0x05d0b24d) /* 0.363451292 */, 18 }, + + /* 5424 */ { MAD_F(0x05d11001) /* 0.363540655 */, 18 }, + /* 5425 */ { MAD_F(0x05d16db7) /* 0.363630024 */, 18 }, + /* 5426 */ { MAD_F(0x05d1cb6e) /* 0.363719398 */, 18 }, + /* 5427 */ { MAD_F(0x05d22927) /* 0.363808778 */, 18 }, + /* 5428 */ { MAD_F(0x05d286e1) /* 0.363898163 */, 18 }, + /* 5429 */ { MAD_F(0x05d2e49d) /* 0.363987554 */, 18 }, + /* 5430 */ { MAD_F(0x05d3425a) /* 0.364076950 */, 18 }, + /* 5431 */ { MAD_F(0x05d3a018) /* 0.364166352 */, 18 }, + /* 5432 */ { MAD_F(0x05d3fdd8) /* 0.364255759 */, 18 }, + /* 5433 */ { MAD_F(0x05d45b9a) /* 0.364345171 */, 18 }, + /* 5434 */ { MAD_F(0x05d4b95d) /* 0.364434589 */, 18 }, + /* 5435 */ { MAD_F(0x05d51721) /* 0.364524013 */, 18 }, + /* 5436 */ { MAD_F(0x05d574e7) /* 0.364613442 */, 18 }, + /* 5437 */ { MAD_F(0x05d5d2af) /* 0.364702877 */, 18 }, + /* 5438 */ { MAD_F(0x05d63078) /* 0.364792317 */, 18 }, + /* 5439 */ { MAD_F(0x05d68e42) /* 0.364881762 */, 18 }, + + /* 5440 */ { MAD_F(0x05d6ec0e) /* 0.364971213 */, 18 }, + /* 5441 */ { MAD_F(0x05d749db) /* 0.365060669 */, 18 }, + /* 5442 */ { MAD_F(0x05d7a7aa) /* 0.365150131 */, 18 }, + /* 5443 */ { MAD_F(0x05d8057a) /* 0.365239599 */, 18 }, + /* 5444 */ { MAD_F(0x05d8634c) /* 0.365329072 */, 18 }, + /* 5445 */ { MAD_F(0x05d8c11f) /* 0.365418550 */, 18 }, + /* 5446 */ { MAD_F(0x05d91ef4) /* 0.365508034 */, 18 }, + /* 5447 */ { MAD_F(0x05d97cca) /* 0.365597523 */, 18 }, + /* 5448 */ { MAD_F(0x05d9daa1) /* 0.365687018 */, 18 }, + /* 5449 */ { MAD_F(0x05da387a) /* 0.365776518 */, 18 }, + /* 5450 */ { MAD_F(0x05da9655) /* 0.365866024 */, 18 }, + /* 5451 */ { MAD_F(0x05daf431) /* 0.365955536 */, 18 }, + /* 5452 */ { MAD_F(0x05db520e) /* 0.366045052 */, 18 }, + /* 5453 */ { MAD_F(0x05dbafed) /* 0.366134574 */, 18 }, + /* 5454 */ { MAD_F(0x05dc0dce) /* 0.366224102 */, 18 }, + /* 5455 */ { MAD_F(0x05dc6baf) /* 0.366313635 */, 18 }, + + /* 5456 */ { MAD_F(0x05dcc993) /* 0.366403174 */, 18 }, + /* 5457 */ { MAD_F(0x05dd2778) /* 0.366492718 */, 18 }, + /* 5458 */ { MAD_F(0x05dd855e) /* 0.366582267 */, 18 }, + /* 5459 */ { MAD_F(0x05dde346) /* 0.366671822 */, 18 }, + /* 5460 */ { MAD_F(0x05de412f) /* 0.366761383 */, 18 }, + /* 5461 */ { MAD_F(0x05de9f1a) /* 0.366850949 */, 18 }, + /* 5462 */ { MAD_F(0x05defd06) /* 0.366940520 */, 18 }, + /* 5463 */ { MAD_F(0x05df5af3) /* 0.367030097 */, 18 }, + /* 5464 */ { MAD_F(0x05dfb8e2) /* 0.367119680 */, 18 }, + /* 5465 */ { MAD_F(0x05e016d3) /* 0.367209267 */, 18 }, + /* 5466 */ { MAD_F(0x05e074c5) /* 0.367298861 */, 18 }, + /* 5467 */ { MAD_F(0x05e0d2b8) /* 0.367388459 */, 18 }, + /* 5468 */ { MAD_F(0x05e130ad) /* 0.367478064 */, 18 }, + /* 5469 */ { MAD_F(0x05e18ea4) /* 0.367567673 */, 18 }, + /* 5470 */ { MAD_F(0x05e1ec9c) /* 0.367657288 */, 18 }, + /* 5471 */ { MAD_F(0x05e24a95) /* 0.367746909 */, 18 }, + + /* 5472 */ { MAD_F(0x05e2a890) /* 0.367836535 */, 18 }, + /* 5473 */ { MAD_F(0x05e3068c) /* 0.367926167 */, 18 }, + /* 5474 */ { MAD_F(0x05e3648a) /* 0.368015804 */, 18 }, + /* 5475 */ { MAD_F(0x05e3c289) /* 0.368105446 */, 18 }, + /* 5476 */ { MAD_F(0x05e4208a) /* 0.368195094 */, 18 }, + /* 5477 */ { MAD_F(0x05e47e8c) /* 0.368284747 */, 18 }, + /* 5478 */ { MAD_F(0x05e4dc8f) /* 0.368374406 */, 18 }, + /* 5479 */ { MAD_F(0x05e53a94) /* 0.368464070 */, 18 }, + /* 5480 */ { MAD_F(0x05e5989b) /* 0.368553740 */, 18 }, + /* 5481 */ { MAD_F(0x05e5f6a3) /* 0.368643415 */, 18 }, + /* 5482 */ { MAD_F(0x05e654ac) /* 0.368733096 */, 18 }, + /* 5483 */ { MAD_F(0x05e6b2b7) /* 0.368822782 */, 18 }, + /* 5484 */ { MAD_F(0x05e710c4) /* 0.368912473 */, 18 }, + /* 5485 */ { MAD_F(0x05e76ed2) /* 0.369002170 */, 18 }, + /* 5486 */ { MAD_F(0x05e7cce1) /* 0.369091873 */, 18 }, + /* 5487 */ { MAD_F(0x05e82af2) /* 0.369181581 */, 18 }, + + /* 5488 */ { MAD_F(0x05e88904) /* 0.369271294 */, 18 }, + /* 5489 */ { MAD_F(0x05e8e718) /* 0.369361013 */, 18 }, + /* 5490 */ { MAD_F(0x05e9452d) /* 0.369450737 */, 18 }, + /* 5491 */ { MAD_F(0x05e9a343) /* 0.369540467 */, 18 }, + /* 5492 */ { MAD_F(0x05ea015c) /* 0.369630202 */, 18 }, + /* 5493 */ { MAD_F(0x05ea5f75) /* 0.369719942 */, 18 }, + /* 5494 */ { MAD_F(0x05eabd90) /* 0.369809688 */, 18 }, + /* 5495 */ { MAD_F(0x05eb1bad) /* 0.369899440 */, 18 }, + /* 5496 */ { MAD_F(0x05eb79cb) /* 0.369989197 */, 18 }, + /* 5497 */ { MAD_F(0x05ebd7ea) /* 0.370078959 */, 18 }, + /* 5498 */ { MAD_F(0x05ec360b) /* 0.370168727 */, 18 }, + /* 5499 */ { MAD_F(0x05ec942d) /* 0.370258500 */, 18 }, + /* 5500 */ { MAD_F(0x05ecf251) /* 0.370348279 */, 18 }, + /* 5501 */ { MAD_F(0x05ed5076) /* 0.370438063 */, 18 }, + /* 5502 */ { MAD_F(0x05edae9d) /* 0.370527853 */, 18 }, + /* 5503 */ { MAD_F(0x05ee0cc5) /* 0.370617648 */, 18 }, + + /* 5504 */ { MAD_F(0x05ee6aef) /* 0.370707448 */, 18 }, + /* 5505 */ { MAD_F(0x05eec91a) /* 0.370797254 */, 18 }, + /* 5506 */ { MAD_F(0x05ef2746) /* 0.370887065 */, 18 }, + /* 5507 */ { MAD_F(0x05ef8574) /* 0.370976882 */, 18 }, + /* 5508 */ { MAD_F(0x05efe3a4) /* 0.371066704 */, 18 }, + /* 5509 */ { MAD_F(0x05f041d5) /* 0.371156532 */, 18 }, + /* 5510 */ { MAD_F(0x05f0a007) /* 0.371246365 */, 18 }, + /* 5511 */ { MAD_F(0x05f0fe3b) /* 0.371336203 */, 18 }, + /* 5512 */ { MAD_F(0x05f15c70) /* 0.371426047 */, 18 }, + /* 5513 */ { MAD_F(0x05f1baa7) /* 0.371515897 */, 18 }, + /* 5514 */ { MAD_F(0x05f218df) /* 0.371605751 */, 18 }, + /* 5515 */ { MAD_F(0x05f27719) /* 0.371695612 */, 18 }, + /* 5516 */ { MAD_F(0x05f2d554) /* 0.371785477 */, 18 }, + /* 5517 */ { MAD_F(0x05f33390) /* 0.371875348 */, 18 }, + /* 5518 */ { MAD_F(0x05f391cf) /* 0.371965225 */, 18 }, + /* 5519 */ { MAD_F(0x05f3f00e) /* 0.372055107 */, 18 }, + + /* 5520 */ { MAD_F(0x05f44e4f) /* 0.372144994 */, 18 }, + /* 5521 */ { MAD_F(0x05f4ac91) /* 0.372234887 */, 18 }, + /* 5522 */ { MAD_F(0x05f50ad5) /* 0.372324785 */, 18 }, + /* 5523 */ { MAD_F(0x05f5691b) /* 0.372414689 */, 18 }, + /* 5524 */ { MAD_F(0x05f5c761) /* 0.372504598 */, 18 }, + /* 5525 */ { MAD_F(0x05f625aa) /* 0.372594513 */, 18 }, + /* 5526 */ { MAD_F(0x05f683f3) /* 0.372684433 */, 18 }, + /* 5527 */ { MAD_F(0x05f6e23f) /* 0.372774358 */, 18 }, + /* 5528 */ { MAD_F(0x05f7408b) /* 0.372864289 */, 18 }, + /* 5529 */ { MAD_F(0x05f79ed9) /* 0.372954225 */, 18 }, + /* 5530 */ { MAD_F(0x05f7fd29) /* 0.373044167 */, 18 }, + /* 5531 */ { MAD_F(0x05f85b7a) /* 0.373134114 */, 18 }, + /* 5532 */ { MAD_F(0x05f8b9cc) /* 0.373224066 */, 18 }, + /* 5533 */ { MAD_F(0x05f91820) /* 0.373314024 */, 18 }, + /* 5534 */ { MAD_F(0x05f97675) /* 0.373403987 */, 18 }, + /* 5535 */ { MAD_F(0x05f9d4cc) /* 0.373493956 */, 18 }, + + /* 5536 */ { MAD_F(0x05fa3324) /* 0.373583930 */, 18 }, + /* 5537 */ { MAD_F(0x05fa917e) /* 0.373673910 */, 18 }, + /* 5538 */ { MAD_F(0x05faefd9) /* 0.373763895 */, 18 }, + /* 5539 */ { MAD_F(0x05fb4e36) /* 0.373853885 */, 18 }, + /* 5540 */ { MAD_F(0x05fbac94) /* 0.373943881 */, 18 }, + /* 5541 */ { MAD_F(0x05fc0af3) /* 0.374033882 */, 18 }, + /* 5542 */ { MAD_F(0x05fc6954) /* 0.374123889 */, 18 }, + /* 5543 */ { MAD_F(0x05fcc7b7) /* 0.374213901 */, 18 }, + /* 5544 */ { MAD_F(0x05fd261b) /* 0.374303918 */, 18 }, + /* 5545 */ { MAD_F(0x05fd8480) /* 0.374393941 */, 18 }, + /* 5546 */ { MAD_F(0x05fde2e7) /* 0.374483970 */, 18 }, + /* 5547 */ { MAD_F(0x05fe414f) /* 0.374574003 */, 18 }, + /* 5548 */ { MAD_F(0x05fe9fb9) /* 0.374664042 */, 18 }, + /* 5549 */ { MAD_F(0x05fefe24) /* 0.374754087 */, 18 }, + /* 5550 */ { MAD_F(0x05ff5c91) /* 0.374844137 */, 18 }, + /* 5551 */ { MAD_F(0x05ffbaff) /* 0.374934192 */, 18 }, + + /* 5552 */ { MAD_F(0x0600196e) /* 0.375024253 */, 18 }, + /* 5553 */ { MAD_F(0x060077df) /* 0.375114319 */, 18 }, + /* 5554 */ { MAD_F(0x0600d651) /* 0.375204391 */, 18 }, + /* 5555 */ { MAD_F(0x060134c5) /* 0.375294468 */, 18 }, + /* 5556 */ { MAD_F(0x0601933b) /* 0.375384550 */, 18 }, + /* 5557 */ { MAD_F(0x0601f1b1) /* 0.375474638 */, 18 }, + /* 5558 */ { MAD_F(0x0602502a) /* 0.375564731 */, 18 }, + /* 5559 */ { MAD_F(0x0602aea3) /* 0.375654830 */, 18 }, + /* 5560 */ { MAD_F(0x06030d1e) /* 0.375744934 */, 18 }, + /* 5561 */ { MAD_F(0x06036b9b) /* 0.375835043 */, 18 }, + /* 5562 */ { MAD_F(0x0603ca19) /* 0.375925158 */, 18 }, + /* 5563 */ { MAD_F(0x06042898) /* 0.376015278 */, 18 }, + /* 5564 */ { MAD_F(0x06048719) /* 0.376105404 */, 18 }, + /* 5565 */ { MAD_F(0x0604e59c) /* 0.376195535 */, 18 }, + /* 5566 */ { MAD_F(0x0605441f) /* 0.376285671 */, 18 }, + /* 5567 */ { MAD_F(0x0605a2a5) /* 0.376375813 */, 18 }, + + /* 5568 */ { MAD_F(0x0606012b) /* 0.376465960 */, 18 }, + /* 5569 */ { MAD_F(0x06065fb4) /* 0.376556113 */, 18 }, + /* 5570 */ { MAD_F(0x0606be3d) /* 0.376646271 */, 18 }, + /* 5571 */ { MAD_F(0x06071cc8) /* 0.376736434 */, 18 }, + /* 5572 */ { MAD_F(0x06077b55) /* 0.376826603 */, 18 }, + /* 5573 */ { MAD_F(0x0607d9e3) /* 0.376916777 */, 18 }, + /* 5574 */ { MAD_F(0x06083872) /* 0.377006957 */, 18 }, + /* 5575 */ { MAD_F(0x06089703) /* 0.377097141 */, 18 }, + /* 5576 */ { MAD_F(0x0608f595) /* 0.377187332 */, 18 }, + /* 5577 */ { MAD_F(0x06095429) /* 0.377277528 */, 18 }, + /* 5578 */ { MAD_F(0x0609b2be) /* 0.377367729 */, 18 }, + /* 5579 */ { MAD_F(0x060a1155) /* 0.377457935 */, 18 }, + /* 5580 */ { MAD_F(0x060a6fed) /* 0.377548147 */, 18 }, + /* 5581 */ { MAD_F(0x060ace86) /* 0.377638364 */, 18 }, + /* 5582 */ { MAD_F(0x060b2d21) /* 0.377728587 */, 18 }, + /* 5583 */ { MAD_F(0x060b8bbe) /* 0.377818815 */, 18 }, + + /* 5584 */ { MAD_F(0x060bea5c) /* 0.377909049 */, 18 }, + /* 5585 */ { MAD_F(0x060c48fb) /* 0.377999288 */, 18 }, + /* 5586 */ { MAD_F(0x060ca79c) /* 0.378089532 */, 18 }, + /* 5587 */ { MAD_F(0x060d063e) /* 0.378179781 */, 18 }, + /* 5588 */ { MAD_F(0x060d64e1) /* 0.378270036 */, 18 }, + /* 5589 */ { MAD_F(0x060dc387) /* 0.378360297 */, 18 }, + /* 5590 */ { MAD_F(0x060e222d) /* 0.378450563 */, 18 }, + /* 5591 */ { MAD_F(0x060e80d5) /* 0.378540834 */, 18 }, + /* 5592 */ { MAD_F(0x060edf7f) /* 0.378631110 */, 18 }, + /* 5593 */ { MAD_F(0x060f3e29) /* 0.378721392 */, 18 }, + /* 5594 */ { MAD_F(0x060f9cd6) /* 0.378811680 */, 18 }, + /* 5595 */ { MAD_F(0x060ffb83) /* 0.378901972 */, 18 }, + /* 5596 */ { MAD_F(0x06105a33) /* 0.378992270 */, 18 }, + /* 5597 */ { MAD_F(0x0610b8e3) /* 0.379082574 */, 18 }, + /* 5598 */ { MAD_F(0x06111795) /* 0.379172883 */, 18 }, + /* 5599 */ { MAD_F(0x06117649) /* 0.379263197 */, 18 }, + + /* 5600 */ { MAD_F(0x0611d4fe) /* 0.379353516 */, 18 }, + /* 5601 */ { MAD_F(0x061233b4) /* 0.379443841 */, 18 }, + /* 5602 */ { MAD_F(0x0612926c) /* 0.379534172 */, 18 }, + /* 5603 */ { MAD_F(0x0612f125) /* 0.379624507 */, 18 }, + /* 5604 */ { MAD_F(0x06134fe0) /* 0.379714848 */, 18 }, + /* 5605 */ { MAD_F(0x0613ae9c) /* 0.379805195 */, 18 }, + /* 5606 */ { MAD_F(0x06140d5a) /* 0.379895547 */, 18 }, + /* 5607 */ { MAD_F(0x06146c19) /* 0.379985904 */, 18 }, + /* 5608 */ { MAD_F(0x0614cada) /* 0.380076266 */, 18 }, + /* 5609 */ { MAD_F(0x0615299c) /* 0.380166634 */, 18 }, + /* 5610 */ { MAD_F(0x0615885f) /* 0.380257008 */, 18 }, + /* 5611 */ { MAD_F(0x0615e724) /* 0.380347386 */, 18 }, + /* 5612 */ { MAD_F(0x061645ea) /* 0.380437770 */, 18 }, + /* 5613 */ { MAD_F(0x0616a4b2) /* 0.380528160 */, 18 }, + /* 5614 */ { MAD_F(0x0617037b) /* 0.380618555 */, 18 }, + /* 5615 */ { MAD_F(0x06176246) /* 0.380708955 */, 18 }, + + /* 5616 */ { MAD_F(0x0617c112) /* 0.380799360 */, 18 }, + /* 5617 */ { MAD_F(0x06181fdf) /* 0.380889771 */, 18 }, + /* 5618 */ { MAD_F(0x06187eae) /* 0.380980187 */, 18 }, + /* 5619 */ { MAD_F(0x0618dd7e) /* 0.381070609 */, 18 }, + /* 5620 */ { MAD_F(0x06193c50) /* 0.381161036 */, 18 }, + /* 5621 */ { MAD_F(0x06199b24) /* 0.381251468 */, 18 }, + /* 5622 */ { MAD_F(0x0619f9f8) /* 0.381341906 */, 18 }, + /* 5623 */ { MAD_F(0x061a58ce) /* 0.381432349 */, 18 }, + /* 5624 */ { MAD_F(0x061ab7a6) /* 0.381522798 */, 18 }, + /* 5625 */ { MAD_F(0x061b167f) /* 0.381613251 */, 18 }, + /* 5626 */ { MAD_F(0x061b7559) /* 0.381703711 */, 18 }, + /* 5627 */ { MAD_F(0x061bd435) /* 0.381794175 */, 18 }, + /* 5628 */ { MAD_F(0x061c3313) /* 0.381884645 */, 18 }, + /* 5629 */ { MAD_F(0x061c91f1) /* 0.381975120 */, 18 }, + /* 5630 */ { MAD_F(0x061cf0d2) /* 0.382065601 */, 18 }, + /* 5631 */ { MAD_F(0x061d4fb3) /* 0.382156087 */, 18 }, + + /* 5632 */ { MAD_F(0x061dae96) /* 0.382246578 */, 18 }, + /* 5633 */ { MAD_F(0x061e0d7b) /* 0.382337075 */, 18 }, + /* 5634 */ { MAD_F(0x061e6c61) /* 0.382427577 */, 18 }, + /* 5635 */ { MAD_F(0x061ecb48) /* 0.382518084 */, 18 }, + /* 5636 */ { MAD_F(0x061f2a31) /* 0.382608597 */, 18 }, + /* 5637 */ { MAD_F(0x061f891b) /* 0.382699115 */, 18 }, + /* 5638 */ { MAD_F(0x061fe807) /* 0.382789638 */, 18 }, + /* 5639 */ { MAD_F(0x062046f4) /* 0.382880167 */, 18 }, + /* 5640 */ { MAD_F(0x0620a5e3) /* 0.382970701 */, 18 }, + /* 5641 */ { MAD_F(0x062104d3) /* 0.383061241 */, 18 }, + /* 5642 */ { MAD_F(0x062163c4) /* 0.383151786 */, 18 }, + /* 5643 */ { MAD_F(0x0621c2b7) /* 0.383242336 */, 18 }, + /* 5644 */ { MAD_F(0x062221ab) /* 0.383332891 */, 18 }, + /* 5645 */ { MAD_F(0x062280a1) /* 0.383423452 */, 18 }, + /* 5646 */ { MAD_F(0x0622df98) /* 0.383514018 */, 18 }, + /* 5647 */ { MAD_F(0x06233e91) /* 0.383604590 */, 18 }, + + /* 5648 */ { MAD_F(0x06239d8b) /* 0.383695167 */, 18 }, + /* 5649 */ { MAD_F(0x0623fc86) /* 0.383785749 */, 18 }, + /* 5650 */ { MAD_F(0x06245b83) /* 0.383876337 */, 18 }, + /* 5651 */ { MAD_F(0x0624ba82) /* 0.383966930 */, 18 }, + /* 5652 */ { MAD_F(0x06251981) /* 0.384057528 */, 18 }, + /* 5653 */ { MAD_F(0x06257883) /* 0.384148132 */, 18 }, + /* 5654 */ { MAD_F(0x0625d785) /* 0.384238741 */, 18 }, + /* 5655 */ { MAD_F(0x06263689) /* 0.384329355 */, 18 }, + /* 5656 */ { MAD_F(0x0626958f) /* 0.384419975 */, 18 }, + /* 5657 */ { MAD_F(0x0626f496) /* 0.384510600 */, 18 }, + /* 5658 */ { MAD_F(0x0627539e) /* 0.384601230 */, 18 }, + /* 5659 */ { MAD_F(0x0627b2a8) /* 0.384691866 */, 18 }, + /* 5660 */ { MAD_F(0x062811b3) /* 0.384782507 */, 18 }, + /* 5661 */ { MAD_F(0x062870c0) /* 0.384873153 */, 18 }, + /* 5662 */ { MAD_F(0x0628cfce) /* 0.384963805 */, 18 }, + /* 5663 */ { MAD_F(0x06292ede) /* 0.385054462 */, 18 }, + + /* 5664 */ { MAD_F(0x06298def) /* 0.385145124 */, 18 }, + /* 5665 */ { MAD_F(0x0629ed01) /* 0.385235792 */, 18 }, + /* 5666 */ { MAD_F(0x062a4c15) /* 0.385326465 */, 18 }, + /* 5667 */ { MAD_F(0x062aab2a) /* 0.385417143 */, 18 }, + /* 5668 */ { MAD_F(0x062b0a41) /* 0.385507827 */, 18 }, + /* 5669 */ { MAD_F(0x062b6959) /* 0.385598516 */, 18 }, + /* 5670 */ { MAD_F(0x062bc873) /* 0.385689211 */, 18 }, + /* 5671 */ { MAD_F(0x062c278e) /* 0.385779910 */, 18 }, + /* 5672 */ { MAD_F(0x062c86aa) /* 0.385870615 */, 18 }, + /* 5673 */ { MAD_F(0x062ce5c8) /* 0.385961326 */, 18 }, + /* 5674 */ { MAD_F(0x062d44e8) /* 0.386052041 */, 18 }, + /* 5675 */ { MAD_F(0x062da408) /* 0.386142762 */, 18 }, + /* 5676 */ { MAD_F(0x062e032a) /* 0.386233489 */, 18 }, + /* 5677 */ { MAD_F(0x062e624e) /* 0.386324221 */, 18 }, + /* 5678 */ { MAD_F(0x062ec173) /* 0.386414958 */, 18 }, + /* 5679 */ { MAD_F(0x062f209a) /* 0.386505700 */, 18 }, + + /* 5680 */ { MAD_F(0x062f7fc1) /* 0.386596448 */, 18 }, + /* 5681 */ { MAD_F(0x062fdeeb) /* 0.386687201 */, 18 }, + /* 5682 */ { MAD_F(0x06303e16) /* 0.386777959 */, 18 }, + /* 5683 */ { MAD_F(0x06309d42) /* 0.386868723 */, 18 }, + /* 5684 */ { MAD_F(0x0630fc6f) /* 0.386959492 */, 18 }, + /* 5685 */ { MAD_F(0x06315b9e) /* 0.387050266 */, 18 }, + /* 5686 */ { MAD_F(0x0631bacf) /* 0.387141045 */, 18 }, + /* 5687 */ { MAD_F(0x06321a01) /* 0.387231830 */, 18 }, + /* 5688 */ { MAD_F(0x06327934) /* 0.387322621 */, 18 }, + /* 5689 */ { MAD_F(0x0632d869) /* 0.387413416 */, 18 }, + /* 5690 */ { MAD_F(0x0633379f) /* 0.387504217 */, 18 }, + /* 5691 */ { MAD_F(0x063396d7) /* 0.387595023 */, 18 }, + /* 5692 */ { MAD_F(0x0633f610) /* 0.387685835 */, 18 }, + /* 5693 */ { MAD_F(0x0634554a) /* 0.387776652 */, 18 }, + /* 5694 */ { MAD_F(0x0634b486) /* 0.387867474 */, 18 }, + /* 5695 */ { MAD_F(0x063513c3) /* 0.387958301 */, 18 }, + + /* 5696 */ { MAD_F(0x06357302) /* 0.388049134 */, 18 }, + /* 5697 */ { MAD_F(0x0635d242) /* 0.388139972 */, 18 }, + /* 5698 */ { MAD_F(0x06363184) /* 0.388230816 */, 18 }, + /* 5699 */ { MAD_F(0x063690c7) /* 0.388321665 */, 18 }, + /* 5700 */ { MAD_F(0x0636f00b) /* 0.388412519 */, 18 }, + /* 5701 */ { MAD_F(0x06374f51) /* 0.388503378 */, 18 }, + /* 5702 */ { MAD_F(0x0637ae99) /* 0.388594243 */, 18 }, + /* 5703 */ { MAD_F(0x06380de1) /* 0.388685113 */, 18 }, + /* 5704 */ { MAD_F(0x06386d2b) /* 0.388775988 */, 18 }, + /* 5705 */ { MAD_F(0x0638cc77) /* 0.388866869 */, 18 }, + /* 5706 */ { MAD_F(0x06392bc4) /* 0.388957755 */, 18 }, + /* 5707 */ { MAD_F(0x06398b12) /* 0.389048646 */, 18 }, + /* 5708 */ { MAD_F(0x0639ea62) /* 0.389139542 */, 18 }, + /* 5709 */ { MAD_F(0x063a49b4) /* 0.389230444 */, 18 }, + /* 5710 */ { MAD_F(0x063aa906) /* 0.389321352 */, 18 }, + /* 5711 */ { MAD_F(0x063b085a) /* 0.389412264 */, 18 }, + + /* 5712 */ { MAD_F(0x063b67b0) /* 0.389503182 */, 18 }, + /* 5713 */ { MAD_F(0x063bc707) /* 0.389594105 */, 18 }, + /* 5714 */ { MAD_F(0x063c265f) /* 0.389685033 */, 18 }, + /* 5715 */ { MAD_F(0x063c85b9) /* 0.389775967 */, 18 }, + /* 5716 */ { MAD_F(0x063ce514) /* 0.389866906 */, 18 }, + /* 5717 */ { MAD_F(0x063d4471) /* 0.389957850 */, 18 }, + /* 5718 */ { MAD_F(0x063da3cf) /* 0.390048800 */, 18 }, + /* 5719 */ { MAD_F(0x063e032f) /* 0.390139755 */, 18 }, + /* 5720 */ { MAD_F(0x063e6290) /* 0.390230715 */, 18 }, + /* 5721 */ { MAD_F(0x063ec1f2) /* 0.390321681 */, 18 }, + /* 5722 */ { MAD_F(0x063f2156) /* 0.390412651 */, 18 }, + /* 5723 */ { MAD_F(0x063f80bb) /* 0.390503628 */, 18 }, + /* 5724 */ { MAD_F(0x063fe022) /* 0.390594609 */, 18 }, + /* 5725 */ { MAD_F(0x06403f8a) /* 0.390685596 */, 18 }, + /* 5726 */ { MAD_F(0x06409ef3) /* 0.390776588 */, 18 }, + /* 5727 */ { MAD_F(0x0640fe5e) /* 0.390867585 */, 18 }, + + /* 5728 */ { MAD_F(0x06415dcb) /* 0.390958588 */, 18 }, + /* 5729 */ { MAD_F(0x0641bd38) /* 0.391049596 */, 18 }, + /* 5730 */ { MAD_F(0x06421ca7) /* 0.391140609 */, 18 }, + /* 5731 */ { MAD_F(0x06427c18) /* 0.391231627 */, 18 }, + /* 5732 */ { MAD_F(0x0642db8a) /* 0.391322651 */, 18 }, + /* 5733 */ { MAD_F(0x06433afd) /* 0.391413680 */, 18 }, + /* 5734 */ { MAD_F(0x06439a72) /* 0.391504714 */, 18 }, + /* 5735 */ { MAD_F(0x0643f9e9) /* 0.391595754 */, 18 }, + /* 5736 */ { MAD_F(0x06445960) /* 0.391686799 */, 18 }, + /* 5737 */ { MAD_F(0x0644b8d9) /* 0.391777849 */, 18 }, + /* 5738 */ { MAD_F(0x06451854) /* 0.391868905 */, 18 }, + /* 5739 */ { MAD_F(0x064577d0) /* 0.391959966 */, 18 }, + /* 5740 */ { MAD_F(0x0645d74d) /* 0.392051032 */, 18 }, + /* 5741 */ { MAD_F(0x064636cc) /* 0.392142103 */, 18 }, + /* 5742 */ { MAD_F(0x0646964c) /* 0.392233180 */, 18 }, + /* 5743 */ { MAD_F(0x0646f5ce) /* 0.392324262 */, 18 }, + + /* 5744 */ { MAD_F(0x06475551) /* 0.392415349 */, 18 }, + /* 5745 */ { MAD_F(0x0647b4d5) /* 0.392506442 */, 18 }, + /* 5746 */ { MAD_F(0x0648145b) /* 0.392597540 */, 18 }, + /* 5747 */ { MAD_F(0x064873e3) /* 0.392688643 */, 18 }, + /* 5748 */ { MAD_F(0x0648d36b) /* 0.392779751 */, 18 }, + /* 5749 */ { MAD_F(0x064932f6) /* 0.392870865 */, 18 }, + /* 5750 */ { MAD_F(0x06499281) /* 0.392961984 */, 18 }, + /* 5751 */ { MAD_F(0x0649f20e) /* 0.393053108 */, 18 }, + /* 5752 */ { MAD_F(0x064a519c) /* 0.393144238 */, 18 }, + /* 5753 */ { MAD_F(0x064ab12c) /* 0.393235372 */, 18 }, + /* 5754 */ { MAD_F(0x064b10be) /* 0.393326513 */, 18 }, + /* 5755 */ { MAD_F(0x064b7050) /* 0.393417658 */, 18 }, + /* 5756 */ { MAD_F(0x064bcfe4) /* 0.393508809 */, 18 }, + /* 5757 */ { MAD_F(0x064c2f7a) /* 0.393599965 */, 18 }, + /* 5758 */ { MAD_F(0x064c8f11) /* 0.393691126 */, 18 }, + /* 5759 */ { MAD_F(0x064ceea9) /* 0.393782292 */, 18 }, + + /* 5760 */ { MAD_F(0x064d4e43) /* 0.393873464 */, 18 }, + /* 5761 */ { MAD_F(0x064dadde) /* 0.393964641 */, 18 }, + /* 5762 */ { MAD_F(0x064e0d7a) /* 0.394055823 */, 18 }, + /* 5763 */ { MAD_F(0x064e6d18) /* 0.394147011 */, 18 }, + /* 5764 */ { MAD_F(0x064eccb8) /* 0.394238204 */, 18 }, + /* 5765 */ { MAD_F(0x064f2c59) /* 0.394329402 */, 18 }, + /* 5766 */ { MAD_F(0x064f8bfb) /* 0.394420605 */, 18 }, + /* 5767 */ { MAD_F(0x064feb9e) /* 0.394511814 */, 18 }, + /* 5768 */ { MAD_F(0x06504b44) /* 0.394603028 */, 18 }, + /* 5769 */ { MAD_F(0x0650aaea) /* 0.394694247 */, 18 }, + /* 5770 */ { MAD_F(0x06510a92) /* 0.394785472 */, 18 }, + /* 5771 */ { MAD_F(0x06516a3b) /* 0.394876702 */, 18 }, + /* 5772 */ { MAD_F(0x0651c9e6) /* 0.394967937 */, 18 }, + /* 5773 */ { MAD_F(0x06522992) /* 0.395059177 */, 18 }, + /* 5774 */ { MAD_F(0x06528940) /* 0.395150423 */, 18 }, + /* 5775 */ { MAD_F(0x0652e8ef) /* 0.395241673 */, 18 }, + + /* 5776 */ { MAD_F(0x0653489f) /* 0.395332930 */, 18 }, + /* 5777 */ { MAD_F(0x0653a851) /* 0.395424191 */, 18 }, + /* 5778 */ { MAD_F(0x06540804) /* 0.395515458 */, 18 }, + /* 5779 */ { MAD_F(0x065467b9) /* 0.395606730 */, 18 }, + /* 5780 */ { MAD_F(0x0654c76f) /* 0.395698007 */, 18 }, + /* 5781 */ { MAD_F(0x06552726) /* 0.395789289 */, 18 }, + /* 5782 */ { MAD_F(0x065586df) /* 0.395880577 */, 18 }, + /* 5783 */ { MAD_F(0x0655e699) /* 0.395971870 */, 18 }, + /* 5784 */ { MAD_F(0x06564655) /* 0.396063168 */, 18 }, + /* 5785 */ { MAD_F(0x0656a612) /* 0.396154472 */, 18 }, + /* 5786 */ { MAD_F(0x065705d0) /* 0.396245780 */, 18 }, + /* 5787 */ { MAD_F(0x06576590) /* 0.396337094 */, 18 }, + /* 5788 */ { MAD_F(0x0657c552) /* 0.396428414 */, 18 }, + /* 5789 */ { MAD_F(0x06582514) /* 0.396519738 */, 18 }, + /* 5790 */ { MAD_F(0x065884d9) /* 0.396611068 */, 18 }, + /* 5791 */ { MAD_F(0x0658e49e) /* 0.396702403 */, 18 }, + + /* 5792 */ { MAD_F(0x06594465) /* 0.396793743 */, 18 }, + /* 5793 */ { MAD_F(0x0659a42e) /* 0.396885089 */, 18 }, + /* 5794 */ { MAD_F(0x065a03f7) /* 0.396976440 */, 18 }, + /* 5795 */ { MAD_F(0x065a63c3) /* 0.397067796 */, 18 }, + /* 5796 */ { MAD_F(0x065ac38f) /* 0.397159157 */, 18 }, + /* 5797 */ { MAD_F(0x065b235d) /* 0.397250524 */, 18 }, + /* 5798 */ { MAD_F(0x065b832d) /* 0.397341896 */, 18 }, + /* 5799 */ { MAD_F(0x065be2fe) /* 0.397433273 */, 18 }, + /* 5800 */ { MAD_F(0x065c42d0) /* 0.397524655 */, 18 }, + /* 5801 */ { MAD_F(0x065ca2a3) /* 0.397616043 */, 18 }, + /* 5802 */ { MAD_F(0x065d0279) /* 0.397707436 */, 18 }, + /* 5803 */ { MAD_F(0x065d624f) /* 0.397798834 */, 18 }, + /* 5804 */ { MAD_F(0x065dc227) /* 0.397890237 */, 18 }, + /* 5805 */ { MAD_F(0x065e2200) /* 0.397981646 */, 18 }, + /* 5806 */ { MAD_F(0x065e81db) /* 0.398073059 */, 18 }, + /* 5807 */ { MAD_F(0x065ee1b7) /* 0.398164479 */, 18 }, + + /* 5808 */ { MAD_F(0x065f4195) /* 0.398255903 */, 18 }, + /* 5809 */ { MAD_F(0x065fa174) /* 0.398347333 */, 18 }, + /* 5810 */ { MAD_F(0x06600154) /* 0.398438767 */, 18 }, + /* 5811 */ { MAD_F(0x06606136) /* 0.398530207 */, 18 }, + /* 5812 */ { MAD_F(0x0660c119) /* 0.398621653 */, 18 }, + /* 5813 */ { MAD_F(0x066120fd) /* 0.398713103 */, 18 }, + /* 5814 */ { MAD_F(0x066180e3) /* 0.398804559 */, 18 }, + /* 5815 */ { MAD_F(0x0661e0cb) /* 0.398896020 */, 18 }, + /* 5816 */ { MAD_F(0x066240b4) /* 0.398987487 */, 18 }, + /* 5817 */ { MAD_F(0x0662a09e) /* 0.399078958 */, 18 }, + /* 5818 */ { MAD_F(0x06630089) /* 0.399170435 */, 18 }, + /* 5819 */ { MAD_F(0x06636077) /* 0.399261917 */, 18 }, + /* 5820 */ { MAD_F(0x0663c065) /* 0.399353404 */, 18 }, + /* 5821 */ { MAD_F(0x06642055) /* 0.399444897 */, 18 }, + /* 5822 */ { MAD_F(0x06648046) /* 0.399536395 */, 18 }, + /* 5823 */ { MAD_F(0x0664e039) /* 0.399627898 */, 18 }, + + /* 5824 */ { MAD_F(0x0665402d) /* 0.399719406 */, 18 }, + /* 5825 */ { MAD_F(0x0665a022) /* 0.399810919 */, 18 }, + /* 5826 */ { MAD_F(0x06660019) /* 0.399902438 */, 18 }, + /* 5827 */ { MAD_F(0x06666011) /* 0.399993962 */, 18 }, + /* 5828 */ { MAD_F(0x0666c00b) /* 0.400085491 */, 18 }, + /* 5829 */ { MAD_F(0x06672006) /* 0.400177026 */, 18 }, + /* 5830 */ { MAD_F(0x06678003) /* 0.400268565 */, 18 }, + /* 5831 */ { MAD_F(0x0667e000) /* 0.400360110 */, 18 }, + /* 5832 */ { MAD_F(0x06684000) /* 0.400451660 */, 18 }, + /* 5833 */ { MAD_F(0x0668a000) /* 0.400543216 */, 18 }, + /* 5834 */ { MAD_F(0x06690003) /* 0.400634776 */, 18 }, + /* 5835 */ { MAD_F(0x06696006) /* 0.400726342 */, 18 }, + /* 5836 */ { MAD_F(0x0669c00b) /* 0.400817913 */, 18 }, + /* 5837 */ { MAD_F(0x066a2011) /* 0.400909489 */, 18 }, + /* 5838 */ { MAD_F(0x066a8019) /* 0.401001071 */, 18 }, + /* 5839 */ { MAD_F(0x066ae022) /* 0.401092657 */, 18 }, + + /* 5840 */ { MAD_F(0x066b402d) /* 0.401184249 */, 18 }, + /* 5841 */ { MAD_F(0x066ba039) /* 0.401275847 */, 18 }, + /* 5842 */ { MAD_F(0x066c0046) /* 0.401367449 */, 18 }, + /* 5843 */ { MAD_F(0x066c6055) /* 0.401459057 */, 18 }, + /* 5844 */ { MAD_F(0x066cc065) /* 0.401550670 */, 18 }, + /* 5845 */ { MAD_F(0x066d2076) /* 0.401642288 */, 18 }, + /* 5846 */ { MAD_F(0x066d8089) /* 0.401733911 */, 18 }, + /* 5847 */ { MAD_F(0x066de09e) /* 0.401825540 */, 18 }, + /* 5848 */ { MAD_F(0x066e40b3) /* 0.401917173 */, 18 }, + /* 5849 */ { MAD_F(0x066ea0cb) /* 0.402008812 */, 18 }, + /* 5850 */ { MAD_F(0x066f00e3) /* 0.402100457 */, 18 }, + /* 5851 */ { MAD_F(0x066f60fd) /* 0.402192106 */, 18 }, + /* 5852 */ { MAD_F(0x066fc118) /* 0.402283761 */, 18 }, + /* 5853 */ { MAD_F(0x06702135) /* 0.402375420 */, 18 }, + /* 5854 */ { MAD_F(0x06708153) /* 0.402467086 */, 18 }, + /* 5855 */ { MAD_F(0x0670e173) /* 0.402558756 */, 18 }, + + /* 5856 */ { MAD_F(0x06714194) /* 0.402650431 */, 18 }, + /* 5857 */ { MAD_F(0x0671a1b6) /* 0.402742112 */, 18 }, + /* 5858 */ { MAD_F(0x067201da) /* 0.402833798 */, 18 }, + /* 5859 */ { MAD_F(0x067261ff) /* 0.402925489 */, 18 }, + /* 5860 */ { MAD_F(0x0672c226) /* 0.403017186 */, 18 }, + /* 5861 */ { MAD_F(0x0673224e) /* 0.403108887 */, 18 }, + /* 5862 */ { MAD_F(0x06738277) /* 0.403200594 */, 18 }, + /* 5863 */ { MAD_F(0x0673e2a2) /* 0.403292306 */, 18 }, + /* 5864 */ { MAD_F(0x067442ce) /* 0.403384024 */, 18 }, + /* 5865 */ { MAD_F(0x0674a2fc) /* 0.403475746 */, 18 }, + /* 5866 */ { MAD_F(0x0675032b) /* 0.403567474 */, 18 }, + /* 5867 */ { MAD_F(0x0675635b) /* 0.403659207 */, 18 }, + /* 5868 */ { MAD_F(0x0675c38d) /* 0.403750945 */, 18 }, + /* 5869 */ { MAD_F(0x067623c0) /* 0.403842688 */, 18 }, + /* 5870 */ { MAD_F(0x067683f4) /* 0.403934437 */, 18 }, + /* 5871 */ { MAD_F(0x0676e42a) /* 0.404026190 */, 18 }, + + /* 5872 */ { MAD_F(0x06774462) /* 0.404117949 */, 18 }, + /* 5873 */ { MAD_F(0x0677a49b) /* 0.404209714 */, 18 }, + /* 5874 */ { MAD_F(0x067804d5) /* 0.404301483 */, 18 }, + /* 5875 */ { MAD_F(0x06786510) /* 0.404393258 */, 18 }, + /* 5876 */ { MAD_F(0x0678c54d) /* 0.404485037 */, 18 }, + /* 5877 */ { MAD_F(0x0679258c) /* 0.404576822 */, 18 }, + /* 5878 */ { MAD_F(0x067985cb) /* 0.404668613 */, 18 }, + /* 5879 */ { MAD_F(0x0679e60c) /* 0.404760408 */, 18 }, + /* 5880 */ { MAD_F(0x067a464f) /* 0.404852209 */, 18 }, + /* 5881 */ { MAD_F(0x067aa693) /* 0.404944014 */, 18 }, + /* 5882 */ { MAD_F(0x067b06d8) /* 0.405035825 */, 18 }, + /* 5883 */ { MAD_F(0x067b671f) /* 0.405127642 */, 18 }, + /* 5884 */ { MAD_F(0x067bc767) /* 0.405219463 */, 18 }, + /* 5885 */ { MAD_F(0x067c27b1) /* 0.405311290 */, 18 }, + /* 5886 */ { MAD_F(0x067c87fc) /* 0.405403122 */, 18 }, + /* 5887 */ { MAD_F(0x067ce848) /* 0.405494959 */, 18 }, + + /* 5888 */ { MAD_F(0x067d4896) /* 0.405586801 */, 18 }, + /* 5889 */ { MAD_F(0x067da8e5) /* 0.405678648 */, 18 }, + /* 5890 */ { MAD_F(0x067e0935) /* 0.405770501 */, 18 }, + /* 5891 */ { MAD_F(0x067e6987) /* 0.405862359 */, 18 }, + /* 5892 */ { MAD_F(0x067ec9da) /* 0.405954222 */, 18 }, + /* 5893 */ { MAD_F(0x067f2a2f) /* 0.406046090 */, 18 }, + /* 5894 */ { MAD_F(0x067f8a85) /* 0.406137963 */, 18 }, + /* 5895 */ { MAD_F(0x067feadd) /* 0.406229842 */, 18 }, + /* 5896 */ { MAD_F(0x06804b36) /* 0.406321726 */, 18 }, + /* 5897 */ { MAD_F(0x0680ab90) /* 0.406413615 */, 18 }, + /* 5898 */ { MAD_F(0x06810beb) /* 0.406505509 */, 18 }, + /* 5899 */ { MAD_F(0x06816c49) /* 0.406597408 */, 18 }, + /* 5900 */ { MAD_F(0x0681cca7) /* 0.406689313 */, 18 }, + /* 5901 */ { MAD_F(0x06822d07) /* 0.406781223 */, 18 }, + /* 5902 */ { MAD_F(0x06828d68) /* 0.406873138 */, 18 }, + /* 5903 */ { MAD_F(0x0682edcb) /* 0.406965058 */, 18 }, + + /* 5904 */ { MAD_F(0x06834e2f) /* 0.407056983 */, 18 }, + /* 5905 */ { MAD_F(0x0683ae94) /* 0.407148914 */, 18 }, + /* 5906 */ { MAD_F(0x06840efb) /* 0.407240850 */, 18 }, + /* 5907 */ { MAD_F(0x06846f63) /* 0.407332791 */, 18 }, + /* 5908 */ { MAD_F(0x0684cfcd) /* 0.407424737 */, 18 }, + /* 5909 */ { MAD_F(0x06853038) /* 0.407516688 */, 18 }, + /* 5910 */ { MAD_F(0x068590a4) /* 0.407608645 */, 18 }, + /* 5911 */ { MAD_F(0x0685f112) /* 0.407700606 */, 18 }, + /* 5912 */ { MAD_F(0x06865181) /* 0.407792573 */, 18 }, + /* 5913 */ { MAD_F(0x0686b1f2) /* 0.407884545 */, 18 }, + /* 5914 */ { MAD_F(0x06871264) /* 0.407976522 */, 18 }, + /* 5915 */ { MAD_F(0x068772d7) /* 0.408068505 */, 18 }, + /* 5916 */ { MAD_F(0x0687d34c) /* 0.408160492 */, 18 }, + /* 5917 */ { MAD_F(0x068833c2) /* 0.408252485 */, 18 }, + /* 5918 */ { MAD_F(0x06889439) /* 0.408344483 */, 18 }, + /* 5919 */ { MAD_F(0x0688f4b2) /* 0.408436486 */, 18 }, + + /* 5920 */ { MAD_F(0x0689552c) /* 0.408528495 */, 18 }, + /* 5921 */ { MAD_F(0x0689b5a8) /* 0.408620508 */, 18 }, + /* 5922 */ { MAD_F(0x068a1625) /* 0.408712527 */, 18 }, + /* 5923 */ { MAD_F(0x068a76a4) /* 0.408804551 */, 18 }, + /* 5924 */ { MAD_F(0x068ad724) /* 0.408896580 */, 18 }, + /* 5925 */ { MAD_F(0x068b37a5) /* 0.408988614 */, 18 }, + /* 5926 */ { MAD_F(0x068b9827) /* 0.409080653 */, 18 }, + /* 5927 */ { MAD_F(0x068bf8ac) /* 0.409172698 */, 18 }, + /* 5928 */ { MAD_F(0x068c5931) /* 0.409264748 */, 18 }, + /* 5929 */ { MAD_F(0x068cb9b8) /* 0.409356803 */, 18 }, + /* 5930 */ { MAD_F(0x068d1a40) /* 0.409448863 */, 18 }, + /* 5931 */ { MAD_F(0x068d7aca) /* 0.409540928 */, 18 }, + /* 5932 */ { MAD_F(0x068ddb54) /* 0.409632999 */, 18 }, + /* 5933 */ { MAD_F(0x068e3be1) /* 0.409725074 */, 18 }, + /* 5934 */ { MAD_F(0x068e9c6f) /* 0.409817155 */, 18 }, + /* 5935 */ { MAD_F(0x068efcfe) /* 0.409909241 */, 18 }, + + /* 5936 */ { MAD_F(0x068f5d8e) /* 0.410001332 */, 18 }, + /* 5937 */ { MAD_F(0x068fbe20) /* 0.410093428 */, 18 }, + /* 5938 */ { MAD_F(0x06901eb4) /* 0.410185530 */, 18 }, + /* 5939 */ { MAD_F(0x06907f48) /* 0.410277637 */, 18 }, + /* 5940 */ { MAD_F(0x0690dfde) /* 0.410369748 */, 18 }, + /* 5941 */ { MAD_F(0x06914076) /* 0.410461865 */, 18 }, + /* 5942 */ { MAD_F(0x0691a10f) /* 0.410553988 */, 18 }, + /* 5943 */ { MAD_F(0x069201a9) /* 0.410646115 */, 18 }, + /* 5944 */ { MAD_F(0x06926245) /* 0.410738247 */, 18 }, + /* 5945 */ { MAD_F(0x0692c2e2) /* 0.410830385 */, 18 }, + /* 5946 */ { MAD_F(0x06932380) /* 0.410922528 */, 18 }, + /* 5947 */ { MAD_F(0x06938420) /* 0.411014676 */, 18 }, + /* 5948 */ { MAD_F(0x0693e4c1) /* 0.411106829 */, 18 }, + /* 5949 */ { MAD_F(0x06944563) /* 0.411198987 */, 18 }, + /* 5950 */ { MAD_F(0x0694a607) /* 0.411291151 */, 18 }, + /* 5951 */ { MAD_F(0x069506ad) /* 0.411383320 */, 18 }, + + /* 5952 */ { MAD_F(0x06956753) /* 0.411475493 */, 18 }, + /* 5953 */ { MAD_F(0x0695c7fc) /* 0.411567672 */, 18 }, + /* 5954 */ { MAD_F(0x069628a5) /* 0.411659857 */, 18 }, + /* 5955 */ { MAD_F(0x06968950) /* 0.411752046 */, 18 }, + /* 5956 */ { MAD_F(0x0696e9fc) /* 0.411844240 */, 18 }, + /* 5957 */ { MAD_F(0x06974aaa) /* 0.411936440 */, 18 }, + /* 5958 */ { MAD_F(0x0697ab59) /* 0.412028645 */, 18 }, + /* 5959 */ { MAD_F(0x06980c09) /* 0.412120855 */, 18 }, + /* 5960 */ { MAD_F(0x06986cbb) /* 0.412213070 */, 18 }, + /* 5961 */ { MAD_F(0x0698cd6e) /* 0.412305290 */, 18 }, + /* 5962 */ { MAD_F(0x06992e23) /* 0.412397516 */, 18 }, + /* 5963 */ { MAD_F(0x06998ed9) /* 0.412489746 */, 18 }, + /* 5964 */ { MAD_F(0x0699ef90) /* 0.412581982 */, 18 }, + /* 5965 */ { MAD_F(0x069a5049) /* 0.412674223 */, 18 }, + /* 5966 */ { MAD_F(0x069ab103) /* 0.412766469 */, 18 }, + /* 5967 */ { MAD_F(0x069b11bf) /* 0.412858720 */, 18 }, + + /* 5968 */ { MAD_F(0x069b727b) /* 0.412950976 */, 18 }, + /* 5969 */ { MAD_F(0x069bd33a) /* 0.413043238 */, 18 }, + /* 5970 */ { MAD_F(0x069c33f9) /* 0.413135505 */, 18 }, + /* 5971 */ { MAD_F(0x069c94ba) /* 0.413227776 */, 18 }, + /* 5972 */ { MAD_F(0x069cf57d) /* 0.413320053 */, 18 }, + /* 5973 */ { MAD_F(0x069d5641) /* 0.413412335 */, 18 }, + /* 5974 */ { MAD_F(0x069db706) /* 0.413504623 */, 18 }, + /* 5975 */ { MAD_F(0x069e17cc) /* 0.413596915 */, 18 }, + /* 5976 */ { MAD_F(0x069e7894) /* 0.413689213 */, 18 }, + /* 5977 */ { MAD_F(0x069ed95e) /* 0.413781515 */, 18 }, + /* 5978 */ { MAD_F(0x069f3a28) /* 0.413873823 */, 18 }, + /* 5979 */ { MAD_F(0x069f9af4) /* 0.413966136 */, 18 }, + /* 5980 */ { MAD_F(0x069ffbc2) /* 0.414058454 */, 18 }, + /* 5981 */ { MAD_F(0x06a05c91) /* 0.414150778 */, 18 }, + /* 5982 */ { MAD_F(0x06a0bd61) /* 0.414243106 */, 18 }, + /* 5983 */ { MAD_F(0x06a11e32) /* 0.414335440 */, 18 }, + + /* 5984 */ { MAD_F(0x06a17f05) /* 0.414427779 */, 18 }, + /* 5985 */ { MAD_F(0x06a1dfda) /* 0.414520122 */, 18 }, + /* 5986 */ { MAD_F(0x06a240b0) /* 0.414612471 */, 18 }, + /* 5987 */ { MAD_F(0x06a2a187) /* 0.414704826 */, 18 }, + /* 5988 */ { MAD_F(0x06a3025f) /* 0.414797185 */, 18 }, + /* 5989 */ { MAD_F(0x06a36339) /* 0.414889549 */, 18 }, + /* 5990 */ { MAD_F(0x06a3c414) /* 0.414981919 */, 18 }, + /* 5991 */ { MAD_F(0x06a424f1) /* 0.415074294 */, 18 }, + /* 5992 */ { MAD_F(0x06a485cf) /* 0.415166674 */, 18 }, + /* 5993 */ { MAD_F(0x06a4e6ae) /* 0.415259059 */, 18 }, + /* 5994 */ { MAD_F(0x06a5478f) /* 0.415351449 */, 18 }, + /* 5995 */ { MAD_F(0x06a5a871) /* 0.415443844 */, 18 }, + /* 5996 */ { MAD_F(0x06a60955) /* 0.415536244 */, 18 }, + /* 5997 */ { MAD_F(0x06a66a3a) /* 0.415628650 */, 18 }, + /* 5998 */ { MAD_F(0x06a6cb20) /* 0.415721061 */, 18 }, + /* 5999 */ { MAD_F(0x06a72c08) /* 0.415813476 */, 18 }, + + /* 6000 */ { MAD_F(0x06a78cf1) /* 0.415905897 */, 18 }, + /* 6001 */ { MAD_F(0x06a7eddb) /* 0.415998324 */, 18 }, + /* 6002 */ { MAD_F(0x06a84ec7) /* 0.416090755 */, 18 }, + /* 6003 */ { MAD_F(0x06a8afb4) /* 0.416183191 */, 18 }, + /* 6004 */ { MAD_F(0x06a910a3) /* 0.416275633 */, 18 }, + /* 6005 */ { MAD_F(0x06a97193) /* 0.416368079 */, 18 }, + /* 6006 */ { MAD_F(0x06a9d284) /* 0.416460531 */, 18 }, + /* 6007 */ { MAD_F(0x06aa3377) /* 0.416552988 */, 18 }, + /* 6008 */ { MAD_F(0x06aa946b) /* 0.416645450 */, 18 }, + /* 6009 */ { MAD_F(0x06aaf561) /* 0.416737917 */, 18 }, + /* 6010 */ { MAD_F(0x06ab5657) /* 0.416830389 */, 18 }, + /* 6011 */ { MAD_F(0x06abb750) /* 0.416922867 */, 18 }, + /* 6012 */ { MAD_F(0x06ac1849) /* 0.417015349 */, 18 }, + /* 6013 */ { MAD_F(0x06ac7944) /* 0.417107837 */, 18 }, + /* 6014 */ { MAD_F(0x06acda41) /* 0.417200330 */, 18 }, + /* 6015 */ { MAD_F(0x06ad3b3e) /* 0.417292828 */, 18 }, + + /* 6016 */ { MAD_F(0x06ad9c3d) /* 0.417385331 */, 18 }, + /* 6017 */ { MAD_F(0x06adfd3e) /* 0.417477839 */, 18 }, + /* 6018 */ { MAD_F(0x06ae5e40) /* 0.417570352 */, 18 }, + /* 6019 */ { MAD_F(0x06aebf43) /* 0.417662871 */, 18 }, + /* 6020 */ { MAD_F(0x06af2047) /* 0.417755394 */, 18 }, + /* 6021 */ { MAD_F(0x06af814d) /* 0.417847923 */, 18 }, + /* 6022 */ { MAD_F(0x06afe255) /* 0.417940457 */, 18 }, + /* 6023 */ { MAD_F(0x06b0435e) /* 0.418032996 */, 18 }, + /* 6024 */ { MAD_F(0x06b0a468) /* 0.418125540 */, 18 }, + /* 6025 */ { MAD_F(0x06b10573) /* 0.418218089 */, 18 }, + /* 6026 */ { MAD_F(0x06b16680) /* 0.418310643 */, 18 }, + /* 6027 */ { MAD_F(0x06b1c78e) /* 0.418403203 */, 18 }, + /* 6028 */ { MAD_F(0x06b2289e) /* 0.418495767 */, 18 }, + /* 6029 */ { MAD_F(0x06b289af) /* 0.418588337 */, 18 }, + /* 6030 */ { MAD_F(0x06b2eac1) /* 0.418680911 */, 18 }, + /* 6031 */ { MAD_F(0x06b34bd5) /* 0.418773491 */, 18 }, + + /* 6032 */ { MAD_F(0x06b3acea) /* 0.418866076 */, 18 }, + /* 6033 */ { MAD_F(0x06b40e00) /* 0.418958666 */, 18 }, + /* 6034 */ { MAD_F(0x06b46f18) /* 0.419051262 */, 18 }, + /* 6035 */ { MAD_F(0x06b4d031) /* 0.419143862 */, 18 }, + /* 6036 */ { MAD_F(0x06b5314c) /* 0.419236467 */, 18 }, + /* 6037 */ { MAD_F(0x06b59268) /* 0.419329078 */, 18 }, + /* 6038 */ { MAD_F(0x06b5f385) /* 0.419421694 */, 18 }, + /* 6039 */ { MAD_F(0x06b654a4) /* 0.419514314 */, 18 }, + /* 6040 */ { MAD_F(0x06b6b5c4) /* 0.419606940 */, 18 }, + /* 6041 */ { MAD_F(0x06b716e6) /* 0.419699571 */, 18 }, + /* 6042 */ { MAD_F(0x06b77808) /* 0.419792208 */, 18 }, + /* 6043 */ { MAD_F(0x06b7d92d) /* 0.419884849 */, 18 }, + /* 6044 */ { MAD_F(0x06b83a52) /* 0.419977495 */, 18 }, + /* 6045 */ { MAD_F(0x06b89b79) /* 0.420070147 */, 18 }, + /* 6046 */ { MAD_F(0x06b8fca1) /* 0.420162803 */, 18 }, + /* 6047 */ { MAD_F(0x06b95dcb) /* 0.420255465 */, 18 }, + + /* 6048 */ { MAD_F(0x06b9bef6) /* 0.420348132 */, 18 }, + /* 6049 */ { MAD_F(0x06ba2023) /* 0.420440803 */, 18 }, + /* 6050 */ { MAD_F(0x06ba8150) /* 0.420533481 */, 18 }, + /* 6051 */ { MAD_F(0x06bae280) /* 0.420626163 */, 18 }, + /* 6052 */ { MAD_F(0x06bb43b0) /* 0.420718850 */, 18 }, + /* 6053 */ { MAD_F(0x06bba4e2) /* 0.420811542 */, 18 }, + /* 6054 */ { MAD_F(0x06bc0615) /* 0.420904240 */, 18 }, + /* 6055 */ { MAD_F(0x06bc674a) /* 0.420996942 */, 18 }, + /* 6056 */ { MAD_F(0x06bcc880) /* 0.421089650 */, 18 }, + /* 6057 */ { MAD_F(0x06bd29b7) /* 0.421182362 */, 18 }, + /* 6058 */ { MAD_F(0x06bd8af0) /* 0.421275080 */, 18 }, + /* 6059 */ { MAD_F(0x06bdec2a) /* 0.421367803 */, 18 }, + /* 6060 */ { MAD_F(0x06be4d66) /* 0.421460531 */, 18 }, + /* 6061 */ { MAD_F(0x06beaea3) /* 0.421553264 */, 18 }, + /* 6062 */ { MAD_F(0x06bf0fe1) /* 0.421646003 */, 18 }, + /* 6063 */ { MAD_F(0x06bf7120) /* 0.421738746 */, 18 }, + + /* 6064 */ { MAD_F(0x06bfd261) /* 0.421831494 */, 18 }, + /* 6065 */ { MAD_F(0x06c033a4) /* 0.421924248 */, 18 }, + /* 6066 */ { MAD_F(0x06c094e7) /* 0.422017007 */, 18 }, + /* 6067 */ { MAD_F(0x06c0f62c) /* 0.422109770 */, 18 }, + /* 6068 */ { MAD_F(0x06c15773) /* 0.422202539 */, 18 }, + /* 6069 */ { MAD_F(0x06c1b8bb) /* 0.422295313 */, 18 }, + /* 6070 */ { MAD_F(0x06c21a04) /* 0.422388092 */, 18 }, + /* 6071 */ { MAD_F(0x06c27b4e) /* 0.422480876 */, 18 }, + /* 6072 */ { MAD_F(0x06c2dc9a) /* 0.422573665 */, 18 }, + /* 6073 */ { MAD_F(0x06c33de8) /* 0.422666460 */, 18 }, + /* 6074 */ { MAD_F(0x06c39f36) /* 0.422759259 */, 18 }, + /* 6075 */ { MAD_F(0x06c40086) /* 0.422852064 */, 18 }, + /* 6076 */ { MAD_F(0x06c461d8) /* 0.422944873 */, 18 }, + /* 6077 */ { MAD_F(0x06c4c32a) /* 0.423037688 */, 18 }, + /* 6078 */ { MAD_F(0x06c5247f) /* 0.423130508 */, 18 }, + /* 6079 */ { MAD_F(0x06c585d4) /* 0.423223333 */, 18 }, + + /* 6080 */ { MAD_F(0x06c5e72b) /* 0.423316162 */, 18 }, + /* 6081 */ { MAD_F(0x06c64883) /* 0.423408997 */, 18 }, + /* 6082 */ { MAD_F(0x06c6a9dd) /* 0.423501838 */, 18 }, + /* 6083 */ { MAD_F(0x06c70b38) /* 0.423594683 */, 18 }, + /* 6084 */ { MAD_F(0x06c76c94) /* 0.423687533 */, 18 }, + /* 6085 */ { MAD_F(0x06c7cdf2) /* 0.423780389 */, 18 }, + /* 6086 */ { MAD_F(0x06c82f51) /* 0.423873249 */, 18 }, + /* 6087 */ { MAD_F(0x06c890b1) /* 0.423966115 */, 18 }, + /* 6088 */ { MAD_F(0x06c8f213) /* 0.424058985 */, 18 }, + /* 6089 */ { MAD_F(0x06c95376) /* 0.424151861 */, 18 }, + /* 6090 */ { MAD_F(0x06c9b4da) /* 0.424244742 */, 18 }, + /* 6091 */ { MAD_F(0x06ca1640) /* 0.424337628 */, 18 }, + /* 6092 */ { MAD_F(0x06ca77a8) /* 0.424430519 */, 18 }, + /* 6093 */ { MAD_F(0x06cad910) /* 0.424523415 */, 18 }, + /* 6094 */ { MAD_F(0x06cb3a7a) /* 0.424616316 */, 18 }, + /* 6095 */ { MAD_F(0x06cb9be5) /* 0.424709222 */, 18 }, + + /* 6096 */ { MAD_F(0x06cbfd52) /* 0.424802133 */, 18 }, + /* 6097 */ { MAD_F(0x06cc5ec0) /* 0.424895050 */, 18 }, + /* 6098 */ { MAD_F(0x06ccc030) /* 0.424987971 */, 18 }, + /* 6099 */ { MAD_F(0x06cd21a0) /* 0.425080898 */, 18 }, + /* 6100 */ { MAD_F(0x06cd8313) /* 0.425173829 */, 18 }, + /* 6101 */ { MAD_F(0x06cde486) /* 0.425266766 */, 18 }, + /* 6102 */ { MAD_F(0x06ce45fb) /* 0.425359708 */, 18 }, + /* 6103 */ { MAD_F(0x06cea771) /* 0.425452655 */, 18 }, + /* 6104 */ { MAD_F(0x06cf08e9) /* 0.425545607 */, 18 }, + /* 6105 */ { MAD_F(0x06cf6a62) /* 0.425638564 */, 18 }, + /* 6106 */ { MAD_F(0x06cfcbdc) /* 0.425731526 */, 18 }, + /* 6107 */ { MAD_F(0x06d02d58) /* 0.425824493 */, 18 }, + /* 6108 */ { MAD_F(0x06d08ed5) /* 0.425917465 */, 18 }, + /* 6109 */ { MAD_F(0x06d0f053) /* 0.426010443 */, 18 }, + /* 6110 */ { MAD_F(0x06d151d3) /* 0.426103425 */, 18 }, + /* 6111 */ { MAD_F(0x06d1b354) /* 0.426196412 */, 18 }, + + /* 6112 */ { MAD_F(0x06d214d7) /* 0.426289405 */, 18 }, + /* 6113 */ { MAD_F(0x06d2765a) /* 0.426382403 */, 18 }, + /* 6114 */ { MAD_F(0x06d2d7e0) /* 0.426475405 */, 18 }, + /* 6115 */ { MAD_F(0x06d33966) /* 0.426568413 */, 18 }, + /* 6116 */ { MAD_F(0x06d39aee) /* 0.426661426 */, 18 }, + /* 6117 */ { MAD_F(0x06d3fc77) /* 0.426754444 */, 18 }, + /* 6118 */ { MAD_F(0x06d45e02) /* 0.426847467 */, 18 }, + /* 6119 */ { MAD_F(0x06d4bf8e) /* 0.426940495 */, 18 }, + /* 6120 */ { MAD_F(0x06d5211c) /* 0.427033528 */, 18 }, + /* 6121 */ { MAD_F(0x06d582aa) /* 0.427126566 */, 18 }, + /* 6122 */ { MAD_F(0x06d5e43a) /* 0.427219609 */, 18 }, + /* 6123 */ { MAD_F(0x06d645cc) /* 0.427312657 */, 18 }, + /* 6124 */ { MAD_F(0x06d6a75f) /* 0.427405711 */, 18 }, + /* 6125 */ { MAD_F(0x06d708f3) /* 0.427498769 */, 18 }, + /* 6126 */ { MAD_F(0x06d76a88) /* 0.427591833 */, 18 }, + /* 6127 */ { MAD_F(0x06d7cc1f) /* 0.427684901 */, 18 }, + + /* 6128 */ { MAD_F(0x06d82db8) /* 0.427777975 */, 18 }, + /* 6129 */ { MAD_F(0x06d88f51) /* 0.427871054 */, 18 }, + /* 6130 */ { MAD_F(0x06d8f0ec) /* 0.427964137 */, 18 }, + /* 6131 */ { MAD_F(0x06d95288) /* 0.428057226 */, 18 }, + /* 6132 */ { MAD_F(0x06d9b426) /* 0.428150320 */, 18 }, + /* 6133 */ { MAD_F(0x06da15c5) /* 0.428243419 */, 18 }, + /* 6134 */ { MAD_F(0x06da7766) /* 0.428336523 */, 18 }, + /* 6135 */ { MAD_F(0x06dad907) /* 0.428429632 */, 18 }, + /* 6136 */ { MAD_F(0x06db3aaa) /* 0.428522746 */, 18 }, + /* 6137 */ { MAD_F(0x06db9c4f) /* 0.428615865 */, 18 }, + /* 6138 */ { MAD_F(0x06dbfdf5) /* 0.428708989 */, 18 }, + /* 6139 */ { MAD_F(0x06dc5f9c) /* 0.428802119 */, 18 }, + /* 6140 */ { MAD_F(0x06dcc145) /* 0.428895253 */, 18 }, + /* 6141 */ { MAD_F(0x06dd22ee) /* 0.428988392 */, 18 }, + /* 6142 */ { MAD_F(0x06dd849a) /* 0.429081537 */, 18 }, + /* 6143 */ { MAD_F(0x06dde646) /* 0.429174686 */, 18 }, + + /* 6144 */ { MAD_F(0x06de47f4) /* 0.429267841 */, 18 }, + /* 6145 */ { MAD_F(0x06dea9a4) /* 0.429361001 */, 18 }, + /* 6146 */ { MAD_F(0x06df0b54) /* 0.429454165 */, 18 }, + /* 6147 */ { MAD_F(0x06df6d06) /* 0.429547335 */, 18 }, + /* 6148 */ { MAD_F(0x06dfceba) /* 0.429640510 */, 18 }, + /* 6149 */ { MAD_F(0x06e0306f) /* 0.429733690 */, 18 }, + /* 6150 */ { MAD_F(0x06e09225) /* 0.429826874 */, 18 }, + /* 6151 */ { MAD_F(0x06e0f3dc) /* 0.429920064 */, 18 }, + /* 6152 */ { MAD_F(0x06e15595) /* 0.430013259 */, 18 }, + /* 6153 */ { MAD_F(0x06e1b74f) /* 0.430106459 */, 18 }, + /* 6154 */ { MAD_F(0x06e2190b) /* 0.430199664 */, 18 }, + /* 6155 */ { MAD_F(0x06e27ac8) /* 0.430292875 */, 18 }, + /* 6156 */ { MAD_F(0x06e2dc86) /* 0.430386090 */, 18 }, + /* 6157 */ { MAD_F(0x06e33e46) /* 0.430479310 */, 18 }, + /* 6158 */ { MAD_F(0x06e3a007) /* 0.430572535 */, 18 }, + /* 6159 */ { MAD_F(0x06e401c9) /* 0.430665765 */, 18 }, + + /* 6160 */ { MAD_F(0x06e4638d) /* 0.430759001 */, 18 }, + /* 6161 */ { MAD_F(0x06e4c552) /* 0.430852241 */, 18 }, + /* 6162 */ { MAD_F(0x06e52718) /* 0.430945487 */, 18 }, + /* 6163 */ { MAD_F(0x06e588e0) /* 0.431038737 */, 18 }, + /* 6164 */ { MAD_F(0x06e5eaa9) /* 0.431131993 */, 18 }, + /* 6165 */ { MAD_F(0x06e64c73) /* 0.431225253 */, 18 }, + /* 6166 */ { MAD_F(0x06e6ae3f) /* 0.431318519 */, 18 }, + /* 6167 */ { MAD_F(0x06e7100c) /* 0.431411790 */, 18 }, + /* 6168 */ { MAD_F(0x06e771db) /* 0.431505065 */, 18 }, + /* 6169 */ { MAD_F(0x06e7d3ab) /* 0.431598346 */, 18 }, + /* 6170 */ { MAD_F(0x06e8357c) /* 0.431691632 */, 18 }, + /* 6171 */ { MAD_F(0x06e8974e) /* 0.431784923 */, 18 }, + /* 6172 */ { MAD_F(0x06e8f922) /* 0.431878218 */, 18 }, + /* 6173 */ { MAD_F(0x06e95af8) /* 0.431971519 */, 18 }, + /* 6174 */ { MAD_F(0x06e9bcce) /* 0.432064825 */, 18 }, + /* 6175 */ { MAD_F(0x06ea1ea6) /* 0.432158136 */, 18 }, + + /* 6176 */ { MAD_F(0x06ea807f) /* 0.432251452 */, 18 }, + /* 6177 */ { MAD_F(0x06eae25a) /* 0.432344773 */, 18 }, + /* 6178 */ { MAD_F(0x06eb4436) /* 0.432438099 */, 18 }, + /* 6179 */ { MAD_F(0x06eba614) /* 0.432531431 */, 18 }, + /* 6180 */ { MAD_F(0x06ec07f2) /* 0.432624767 */, 18 }, + /* 6181 */ { MAD_F(0x06ec69d2) /* 0.432718108 */, 18 }, + /* 6182 */ { MAD_F(0x06eccbb4) /* 0.432811454 */, 18 }, + /* 6183 */ { MAD_F(0x06ed2d97) /* 0.432904805 */, 18 }, + /* 6184 */ { MAD_F(0x06ed8f7b) /* 0.432998162 */, 18 }, + /* 6185 */ { MAD_F(0x06edf160) /* 0.433091523 */, 18 }, + /* 6186 */ { MAD_F(0x06ee5347) /* 0.433184889 */, 18 }, + /* 6187 */ { MAD_F(0x06eeb52f) /* 0.433278261 */, 18 }, + /* 6188 */ { MAD_F(0x06ef1719) /* 0.433371637 */, 18 }, + /* 6189 */ { MAD_F(0x06ef7904) /* 0.433465019 */, 18 }, + /* 6190 */ { MAD_F(0x06efdaf0) /* 0.433558405 */, 18 }, + /* 6191 */ { MAD_F(0x06f03cde) /* 0.433651797 */, 18 }, + + /* 6192 */ { MAD_F(0x06f09ecc) /* 0.433745193 */, 18 }, + /* 6193 */ { MAD_F(0x06f100bd) /* 0.433838595 */, 18 }, + /* 6194 */ { MAD_F(0x06f162ae) /* 0.433932001 */, 18 }, + /* 6195 */ { MAD_F(0x06f1c4a1) /* 0.434025413 */, 18 }, + /* 6196 */ { MAD_F(0x06f22696) /* 0.434118830 */, 18 }, + /* 6197 */ { MAD_F(0x06f2888b) /* 0.434212251 */, 18 }, + /* 6198 */ { MAD_F(0x06f2ea82) /* 0.434305678 */, 18 }, + /* 6199 */ { MAD_F(0x06f34c7b) /* 0.434399110 */, 18 }, + /* 6200 */ { MAD_F(0x06f3ae75) /* 0.434492546 */, 18 }, + /* 6201 */ { MAD_F(0x06f41070) /* 0.434585988 */, 18 }, + /* 6202 */ { MAD_F(0x06f4726c) /* 0.434679435 */, 18 }, + /* 6203 */ { MAD_F(0x06f4d46a) /* 0.434772887 */, 18 }, + /* 6204 */ { MAD_F(0x06f53669) /* 0.434866344 */, 18 }, + /* 6205 */ { MAD_F(0x06f59869) /* 0.434959806 */, 18 }, + /* 6206 */ { MAD_F(0x06f5fa6b) /* 0.435053272 */, 18 }, + /* 6207 */ { MAD_F(0x06f65c6e) /* 0.435146744 */, 18 }, + + /* 6208 */ { MAD_F(0x06f6be73) /* 0.435240221 */, 18 }, + /* 6209 */ { MAD_F(0x06f72079) /* 0.435333703 */, 18 }, + /* 6210 */ { MAD_F(0x06f78280) /* 0.435427190 */, 18 }, + /* 6211 */ { MAD_F(0x06f7e489) /* 0.435520682 */, 18 }, + /* 6212 */ { MAD_F(0x06f84693) /* 0.435614179 */, 18 }, + /* 6213 */ { MAD_F(0x06f8a89e) /* 0.435707681 */, 18 }, + /* 6214 */ { MAD_F(0x06f90aaa) /* 0.435801188 */, 18 }, + /* 6215 */ { MAD_F(0x06f96cb8) /* 0.435894700 */, 18 }, + /* 6216 */ { MAD_F(0x06f9cec8) /* 0.435988217 */, 18 }, + /* 6217 */ { MAD_F(0x06fa30d8) /* 0.436081739 */, 18 }, + /* 6218 */ { MAD_F(0x06fa92ea) /* 0.436175266 */, 18 }, + /* 6219 */ { MAD_F(0x06faf4fe) /* 0.436268799 */, 18 }, + /* 6220 */ { MAD_F(0x06fb5712) /* 0.436362336 */, 18 }, + /* 6221 */ { MAD_F(0x06fbb928) /* 0.436455878 */, 18 }, + /* 6222 */ { MAD_F(0x06fc1b40) /* 0.436549425 */, 18 }, + /* 6223 */ { MAD_F(0x06fc7d58) /* 0.436642977 */, 18 }, + + /* 6224 */ { MAD_F(0x06fcdf72) /* 0.436736534 */, 18 }, + /* 6225 */ { MAD_F(0x06fd418e) /* 0.436830096 */, 18 }, + /* 6226 */ { MAD_F(0x06fda3ab) /* 0.436923664 */, 18 }, + /* 6227 */ { MAD_F(0x06fe05c9) /* 0.437017236 */, 18 }, + /* 6228 */ { MAD_F(0x06fe67e8) /* 0.437110813 */, 18 }, + /* 6229 */ { MAD_F(0x06feca09) /* 0.437204395 */, 18 }, + /* 6230 */ { MAD_F(0x06ff2c2b) /* 0.437297982 */, 18 }, + /* 6231 */ { MAD_F(0x06ff8e4f) /* 0.437391575 */, 18 }, + /* 6232 */ { MAD_F(0x06fff073) /* 0.437485172 */, 18 }, + /* 6233 */ { MAD_F(0x0700529a) /* 0.437578774 */, 18 }, + /* 6234 */ { MAD_F(0x0700b4c1) /* 0.437672381 */, 18 }, + /* 6235 */ { MAD_F(0x070116ea) /* 0.437765994 */, 18 }, + /* 6236 */ { MAD_F(0x07017914) /* 0.437859611 */, 18 }, + /* 6237 */ { MAD_F(0x0701db40) /* 0.437953233 */, 18 }, + /* 6238 */ { MAD_F(0x07023d6c) /* 0.438046860 */, 18 }, + /* 6239 */ { MAD_F(0x07029f9b) /* 0.438140493 */, 18 }, + + /* 6240 */ { MAD_F(0x070301ca) /* 0.438234130 */, 18 }, + /* 6241 */ { MAD_F(0x070363fb) /* 0.438327772 */, 18 }, + /* 6242 */ { MAD_F(0x0703c62d) /* 0.438421419 */, 18 }, + /* 6243 */ { MAD_F(0x07042861) /* 0.438515072 */, 18 }, + /* 6244 */ { MAD_F(0x07048a96) /* 0.438608729 */, 18 }, + /* 6245 */ { MAD_F(0x0704eccc) /* 0.438702391 */, 18 }, + /* 6246 */ { MAD_F(0x07054f04) /* 0.438796059 */, 18 }, + /* 6247 */ { MAD_F(0x0705b13d) /* 0.438889731 */, 18 }, + /* 6248 */ { MAD_F(0x07061377) /* 0.438983408 */, 18 }, + /* 6249 */ { MAD_F(0x070675b3) /* 0.439077090 */, 18 }, + /* 6250 */ { MAD_F(0x0706d7f0) /* 0.439170778 */, 18 }, + /* 6251 */ { MAD_F(0x07073a2e) /* 0.439264470 */, 18 }, + /* 6252 */ { MAD_F(0x07079c6e) /* 0.439358167 */, 18 }, + /* 6253 */ { MAD_F(0x0707feaf) /* 0.439451869 */, 18 }, + /* 6254 */ { MAD_F(0x070860f1) /* 0.439545577 */, 18 }, + /* 6255 */ { MAD_F(0x0708c335) /* 0.439639289 */, 18 }, + + /* 6256 */ { MAD_F(0x0709257a) /* 0.439733006 */, 18 }, + /* 6257 */ { MAD_F(0x070987c0) /* 0.439826728 */, 18 }, + /* 6258 */ { MAD_F(0x0709ea08) /* 0.439920456 */, 18 }, + /* 6259 */ { MAD_F(0x070a4c51) /* 0.440014188 */, 18 }, + /* 6260 */ { MAD_F(0x070aae9b) /* 0.440107925 */, 18 }, + /* 6261 */ { MAD_F(0x070b10e7) /* 0.440201667 */, 18 }, + /* 6262 */ { MAD_F(0x070b7334) /* 0.440295414 */, 18 }, + /* 6263 */ { MAD_F(0x070bd583) /* 0.440389167 */, 18 }, + /* 6264 */ { MAD_F(0x070c37d2) /* 0.440482924 */, 18 }, + /* 6265 */ { MAD_F(0x070c9a23) /* 0.440576686 */, 18 }, + /* 6266 */ { MAD_F(0x070cfc76) /* 0.440670453 */, 18 }, + /* 6267 */ { MAD_F(0x070d5eca) /* 0.440764225 */, 18 }, + /* 6268 */ { MAD_F(0x070dc11f) /* 0.440858002 */, 18 }, + /* 6269 */ { MAD_F(0x070e2375) /* 0.440951784 */, 18 }, + /* 6270 */ { MAD_F(0x070e85cd) /* 0.441045572 */, 18 }, + /* 6271 */ { MAD_F(0x070ee826) /* 0.441139364 */, 18 }, + + /* 6272 */ { MAD_F(0x070f4a80) /* 0.441233161 */, 18 }, + /* 6273 */ { MAD_F(0x070facdc) /* 0.441326963 */, 18 }, + /* 6274 */ { MAD_F(0x07100f39) /* 0.441420770 */, 18 }, + /* 6275 */ { MAD_F(0x07107198) /* 0.441514582 */, 18 }, + /* 6276 */ { MAD_F(0x0710d3f8) /* 0.441608399 */, 18 }, + /* 6277 */ { MAD_F(0x07113659) /* 0.441702221 */, 18 }, + /* 6278 */ { MAD_F(0x071198bb) /* 0.441796048 */, 18 }, + /* 6279 */ { MAD_F(0x0711fb1f) /* 0.441889880 */, 18 }, + /* 6280 */ { MAD_F(0x07125d84) /* 0.441983717 */, 18 }, + /* 6281 */ { MAD_F(0x0712bfeb) /* 0.442077559 */, 18 }, + /* 6282 */ { MAD_F(0x07132253) /* 0.442171406 */, 18 }, + /* 6283 */ { MAD_F(0x071384bc) /* 0.442265257 */, 18 }, + /* 6284 */ { MAD_F(0x0713e726) /* 0.442359114 */, 18 }, + /* 6285 */ { MAD_F(0x07144992) /* 0.442452976 */, 18 }, + /* 6286 */ { MAD_F(0x0714abff) /* 0.442546843 */, 18 }, + /* 6287 */ { MAD_F(0x07150e6e) /* 0.442640715 */, 18 }, + + /* 6288 */ { MAD_F(0x071570de) /* 0.442734592 */, 18 }, + /* 6289 */ { MAD_F(0x0715d34f) /* 0.442828473 */, 18 }, + /* 6290 */ { MAD_F(0x071635c1) /* 0.442922360 */, 18 }, + /* 6291 */ { MAD_F(0x07169835) /* 0.443016252 */, 18 }, + /* 6292 */ { MAD_F(0x0716faaa) /* 0.443110148 */, 18 }, + /* 6293 */ { MAD_F(0x07175d21) /* 0.443204050 */, 18 }, + /* 6294 */ { MAD_F(0x0717bf99) /* 0.443297957 */, 18 }, + /* 6295 */ { MAD_F(0x07182212) /* 0.443391868 */, 18 }, + /* 6296 */ { MAD_F(0x0718848d) /* 0.443485785 */, 18 }, + /* 6297 */ { MAD_F(0x0718e709) /* 0.443579706 */, 18 }, + /* 6298 */ { MAD_F(0x07194986) /* 0.443673633 */, 18 }, + /* 6299 */ { MAD_F(0x0719ac04) /* 0.443767564 */, 18 }, + /* 6300 */ { MAD_F(0x071a0e84) /* 0.443861501 */, 18 }, + /* 6301 */ { MAD_F(0x071a7105) /* 0.443955442 */, 18 }, + /* 6302 */ { MAD_F(0x071ad388) /* 0.444049389 */, 18 }, + /* 6303 */ { MAD_F(0x071b360c) /* 0.444143340 */, 18 }, + + /* 6304 */ { MAD_F(0x071b9891) /* 0.444237296 */, 18 }, + /* 6305 */ { MAD_F(0x071bfb18) /* 0.444331258 */, 18 }, + /* 6306 */ { MAD_F(0x071c5d9f) /* 0.444425224 */, 18 }, + /* 6307 */ { MAD_F(0x071cc029) /* 0.444519195 */, 18 }, + /* 6308 */ { MAD_F(0x071d22b3) /* 0.444613171 */, 18 }, + /* 6309 */ { MAD_F(0x071d853f) /* 0.444707153 */, 18 }, + /* 6310 */ { MAD_F(0x071de7cc) /* 0.444801139 */, 18 }, + /* 6311 */ { MAD_F(0x071e4a5b) /* 0.444895130 */, 18 }, + /* 6312 */ { MAD_F(0x071eaceb) /* 0.444989126 */, 18 }, + /* 6313 */ { MAD_F(0x071f0f7c) /* 0.445083127 */, 18 }, + /* 6314 */ { MAD_F(0x071f720e) /* 0.445177133 */, 18 }, + /* 6315 */ { MAD_F(0x071fd4a2) /* 0.445271144 */, 18 }, + /* 6316 */ { MAD_F(0x07203737) /* 0.445365160 */, 18 }, + /* 6317 */ { MAD_F(0x072099ce) /* 0.445459181 */, 18 }, + /* 6318 */ { MAD_F(0x0720fc66) /* 0.445553206 */, 18 }, + /* 6319 */ { MAD_F(0x07215eff) /* 0.445647237 */, 18 }, + + /* 6320 */ { MAD_F(0x0721c19a) /* 0.445741273 */, 18 }, + /* 6321 */ { MAD_F(0x07222436) /* 0.445835314 */, 18 }, + /* 6322 */ { MAD_F(0x072286d3) /* 0.445929359 */, 18 }, + /* 6323 */ { MAD_F(0x0722e971) /* 0.446023410 */, 18 }, + /* 6324 */ { MAD_F(0x07234c11) /* 0.446117466 */, 18 }, + /* 6325 */ { MAD_F(0x0723aeb2) /* 0.446211526 */, 18 }, + /* 6326 */ { MAD_F(0x07241155) /* 0.446305592 */, 18 }, + /* 6327 */ { MAD_F(0x072473f9) /* 0.446399662 */, 18 }, + /* 6328 */ { MAD_F(0x0724d69e) /* 0.446493738 */, 18 }, + /* 6329 */ { MAD_F(0x07253944) /* 0.446587818 */, 18 }, + /* 6330 */ { MAD_F(0x07259bec) /* 0.446681903 */, 18 }, + /* 6331 */ { MAD_F(0x0725fe95) /* 0.446775994 */, 18 }, + /* 6332 */ { MAD_F(0x07266140) /* 0.446870089 */, 18 }, + /* 6333 */ { MAD_F(0x0726c3ec) /* 0.446964189 */, 18 }, + /* 6334 */ { MAD_F(0x07272699) /* 0.447058294 */, 18 }, + /* 6335 */ { MAD_F(0x07278947) /* 0.447152404 */, 18 }, + + /* 6336 */ { MAD_F(0x0727ebf7) /* 0.447246519 */, 18 }, + /* 6337 */ { MAD_F(0x07284ea8) /* 0.447340639 */, 18 }, + /* 6338 */ { MAD_F(0x0728b15b) /* 0.447434764 */, 18 }, + /* 6339 */ { MAD_F(0x0729140f) /* 0.447528894 */, 18 }, + /* 6340 */ { MAD_F(0x072976c4) /* 0.447623029 */, 18 }, + /* 6341 */ { MAD_F(0x0729d97a) /* 0.447717169 */, 18 }, + /* 6342 */ { MAD_F(0x072a3c32) /* 0.447811314 */, 18 }, + /* 6343 */ { MAD_F(0x072a9eeb) /* 0.447905463 */, 18 }, + /* 6344 */ { MAD_F(0x072b01a6) /* 0.447999618 */, 18 }, + /* 6345 */ { MAD_F(0x072b6461) /* 0.448093778 */, 18 }, + /* 6346 */ { MAD_F(0x072bc71e) /* 0.448187942 */, 18 }, + /* 6347 */ { MAD_F(0x072c29dd) /* 0.448282112 */, 18 }, + /* 6348 */ { MAD_F(0x072c8c9d) /* 0.448376286 */, 18 }, + /* 6349 */ { MAD_F(0x072cef5e) /* 0.448470466 */, 18 }, + /* 6350 */ { MAD_F(0x072d5220) /* 0.448564650 */, 18 }, + /* 6351 */ { MAD_F(0x072db4e4) /* 0.448658839 */, 18 }, + + /* 6352 */ { MAD_F(0x072e17a9) /* 0.448753033 */, 18 }, + /* 6353 */ { MAD_F(0x072e7a6f) /* 0.448847233 */, 18 }, + /* 6354 */ { MAD_F(0x072edd37) /* 0.448941437 */, 18 }, + /* 6355 */ { MAD_F(0x072f4000) /* 0.449035646 */, 18 }, + /* 6356 */ { MAD_F(0x072fa2ca) /* 0.449129860 */, 18 }, + /* 6357 */ { MAD_F(0x07300596) /* 0.449224079 */, 18 }, + /* 6358 */ { MAD_F(0x07306863) /* 0.449318303 */, 18 }, + /* 6359 */ { MAD_F(0x0730cb32) /* 0.449412531 */, 18 }, + /* 6360 */ { MAD_F(0x07312e01) /* 0.449506765 */, 18 }, + /* 6361 */ { MAD_F(0x073190d2) /* 0.449601004 */, 18 }, + /* 6362 */ { MAD_F(0x0731f3a5) /* 0.449695247 */, 18 }, + /* 6363 */ { MAD_F(0x07325678) /* 0.449789496 */, 18 }, + /* 6364 */ { MAD_F(0x0732b94d) /* 0.449883749 */, 18 }, + /* 6365 */ { MAD_F(0x07331c23) /* 0.449978008 */, 18 }, + /* 6366 */ { MAD_F(0x07337efb) /* 0.450072271 */, 18 }, + /* 6367 */ { MAD_F(0x0733e1d4) /* 0.450166540 */, 18 }, + + /* 6368 */ { MAD_F(0x073444ae) /* 0.450260813 */, 18 }, + /* 6369 */ { MAD_F(0x0734a78a) /* 0.450355091 */, 18 }, + /* 6370 */ { MAD_F(0x07350a67) /* 0.450449374 */, 18 }, + /* 6371 */ { MAD_F(0x07356d45) /* 0.450543662 */, 18 }, + /* 6372 */ { MAD_F(0x0735d025) /* 0.450637955 */, 18 }, + /* 6373 */ { MAD_F(0x07363306) /* 0.450732253 */, 18 }, + /* 6374 */ { MAD_F(0x073695e8) /* 0.450826556 */, 18 }, + /* 6375 */ { MAD_F(0x0736f8cb) /* 0.450920864 */, 18 }, + /* 6376 */ { MAD_F(0x07375bb0) /* 0.451015176 */, 18 }, + /* 6377 */ { MAD_F(0x0737be96) /* 0.451109494 */, 18 }, + /* 6378 */ { MAD_F(0x0738217e) /* 0.451203817 */, 18 }, + /* 6379 */ { MAD_F(0x07388467) /* 0.451298144 */, 18 }, + /* 6380 */ { MAD_F(0x0738e751) /* 0.451392477 */, 18 }, + /* 6381 */ { MAD_F(0x07394a3d) /* 0.451486814 */, 18 }, + /* 6382 */ { MAD_F(0x0739ad29) /* 0.451581156 */, 18 }, + /* 6383 */ { MAD_F(0x073a1017) /* 0.451675503 */, 18 }, + + /* 6384 */ { MAD_F(0x073a7307) /* 0.451769856 */, 18 }, + /* 6385 */ { MAD_F(0x073ad5f8) /* 0.451864213 */, 18 }, + /* 6386 */ { MAD_F(0x073b38ea) /* 0.451958575 */, 18 }, + /* 6387 */ { MAD_F(0x073b9bdd) /* 0.452052942 */, 18 }, + /* 6388 */ { MAD_F(0x073bfed2) /* 0.452147313 */, 18 }, + /* 6389 */ { MAD_F(0x073c61c8) /* 0.452241690 */, 18 }, + /* 6390 */ { MAD_F(0x073cc4bf) /* 0.452336072 */, 18 }, + /* 6391 */ { MAD_F(0x073d27b8) /* 0.452430458 */, 18 }, + /* 6392 */ { MAD_F(0x073d8ab2) /* 0.452524850 */, 18 }, + /* 6393 */ { MAD_F(0x073dedae) /* 0.452619246 */, 18 }, + /* 6394 */ { MAD_F(0x073e50aa) /* 0.452713648 */, 18 }, + /* 6395 */ { MAD_F(0x073eb3a8) /* 0.452808054 */, 18 }, + /* 6396 */ { MAD_F(0x073f16a8) /* 0.452902465 */, 18 }, + /* 6397 */ { MAD_F(0x073f79a8) /* 0.452996882 */, 18 }, + /* 6398 */ { MAD_F(0x073fdcaa) /* 0.453091303 */, 18 }, + /* 6399 */ { MAD_F(0x07403fad) /* 0.453185729 */, 18 }, + + /* 6400 */ { MAD_F(0x0740a2b2) /* 0.453280160 */, 18 }, + /* 6401 */ { MAD_F(0x074105b8) /* 0.453374595 */, 18 }, + /* 6402 */ { MAD_F(0x074168bf) /* 0.453469036 */, 18 }, + /* 6403 */ { MAD_F(0x0741cbc8) /* 0.453563482 */, 18 }, + /* 6404 */ { MAD_F(0x07422ed2) /* 0.453657932 */, 18 }, + /* 6405 */ { MAD_F(0x074291dd) /* 0.453752388 */, 18 }, + /* 6406 */ { MAD_F(0x0742f4e9) /* 0.453846848 */, 18 }, + /* 6407 */ { MAD_F(0x074357f7) /* 0.453941314 */, 18 }, + /* 6408 */ { MAD_F(0x0743bb06) /* 0.454035784 */, 18 }, + /* 6409 */ { MAD_F(0x07441e17) /* 0.454130259 */, 18 }, + /* 6410 */ { MAD_F(0x07448129) /* 0.454224739 */, 18 }, + /* 6411 */ { MAD_F(0x0744e43c) /* 0.454319224 */, 18 }, + /* 6412 */ { MAD_F(0x07454750) /* 0.454413714 */, 18 }, + /* 6413 */ { MAD_F(0x0745aa66) /* 0.454508209 */, 18 }, + /* 6414 */ { MAD_F(0x07460d7d) /* 0.454602708 */, 18 }, + /* 6415 */ { MAD_F(0x07467095) /* 0.454697213 */, 18 }, + + /* 6416 */ { MAD_F(0x0746d3af) /* 0.454791723 */, 18 }, + /* 6417 */ { MAD_F(0x074736ca) /* 0.454886237 */, 18 }, + /* 6418 */ { MAD_F(0x074799e7) /* 0.454980756 */, 18 }, + /* 6419 */ { MAD_F(0x0747fd04) /* 0.455075281 */, 18 }, + /* 6420 */ { MAD_F(0x07486023) /* 0.455169810 */, 18 }, + /* 6421 */ { MAD_F(0x0748c344) /* 0.455264344 */, 18 }, + /* 6422 */ { MAD_F(0x07492665) /* 0.455358883 */, 18 }, + /* 6423 */ { MAD_F(0x07498988) /* 0.455453427 */, 18 }, + /* 6424 */ { MAD_F(0x0749ecac) /* 0.455547976 */, 18 }, + /* 6425 */ { MAD_F(0x074a4fd2) /* 0.455642529 */, 18 }, + /* 6426 */ { MAD_F(0x074ab2f9) /* 0.455737088 */, 18 }, + /* 6427 */ { MAD_F(0x074b1621) /* 0.455831652 */, 18 }, + /* 6428 */ { MAD_F(0x074b794b) /* 0.455926220 */, 18 }, + /* 6429 */ { MAD_F(0x074bdc75) /* 0.456020793 */, 18 }, + /* 6430 */ { MAD_F(0x074c3fa1) /* 0.456115372 */, 18 }, + /* 6431 */ { MAD_F(0x074ca2cf) /* 0.456209955 */, 18 }, + + /* 6432 */ { MAD_F(0x074d05fe) /* 0.456304543 */, 18 }, + /* 6433 */ { MAD_F(0x074d692e) /* 0.456399136 */, 18 }, + /* 6434 */ { MAD_F(0x074dcc5f) /* 0.456493733 */, 18 }, + /* 6435 */ { MAD_F(0x074e2f92) /* 0.456588336 */, 18 }, + /* 6436 */ { MAD_F(0x074e92c6) /* 0.456682944 */, 18 }, + /* 6437 */ { MAD_F(0x074ef5fb) /* 0.456777556 */, 18 }, + /* 6438 */ { MAD_F(0x074f5932) /* 0.456872174 */, 18 }, + /* 6439 */ { MAD_F(0x074fbc6a) /* 0.456966796 */, 18 }, + /* 6440 */ { MAD_F(0x07501fa3) /* 0.457061423 */, 18 }, + /* 6441 */ { MAD_F(0x075082de) /* 0.457156056 */, 18 }, + /* 6442 */ { MAD_F(0x0750e61a) /* 0.457250693 */, 18 }, + /* 6443 */ { MAD_F(0x07514957) /* 0.457345335 */, 18 }, + /* 6444 */ { MAD_F(0x0751ac96) /* 0.457439981 */, 18 }, + /* 6445 */ { MAD_F(0x07520fd6) /* 0.457534633 */, 18 }, + /* 6446 */ { MAD_F(0x07527317) /* 0.457629290 */, 18 }, + /* 6447 */ { MAD_F(0x0752d659) /* 0.457723951 */, 18 }, + + /* 6448 */ { MAD_F(0x0753399d) /* 0.457818618 */, 18 }, + /* 6449 */ { MAD_F(0x07539ce2) /* 0.457913289 */, 18 }, + /* 6450 */ { MAD_F(0x07540029) /* 0.458007965 */, 18 }, + /* 6451 */ { MAD_F(0x07546371) /* 0.458102646 */, 18 }, + /* 6452 */ { MAD_F(0x0754c6ba) /* 0.458197332 */, 18 }, + /* 6453 */ { MAD_F(0x07552a04) /* 0.458292023 */, 18 }, + /* 6454 */ { MAD_F(0x07558d50) /* 0.458386719 */, 18 }, + /* 6455 */ { MAD_F(0x0755f09d) /* 0.458481420 */, 18 }, + /* 6456 */ { MAD_F(0x075653eb) /* 0.458576125 */, 18 }, + /* 6457 */ { MAD_F(0x0756b73b) /* 0.458670836 */, 18 }, + /* 6458 */ { MAD_F(0x07571a8c) /* 0.458765551 */, 18 }, + /* 6459 */ { MAD_F(0x07577dde) /* 0.458860271 */, 18 }, + /* 6460 */ { MAD_F(0x0757e131) /* 0.458954996 */, 18 }, + /* 6461 */ { MAD_F(0x07584486) /* 0.459049726 */, 18 }, + /* 6462 */ { MAD_F(0x0758a7dd) /* 0.459144461 */, 18 }, + /* 6463 */ { MAD_F(0x07590b34) /* 0.459239201 */, 18 }, + + /* 6464 */ { MAD_F(0x07596e8d) /* 0.459333946 */, 18 }, + /* 6465 */ { MAD_F(0x0759d1e7) /* 0.459428695 */, 18 }, + /* 6466 */ { MAD_F(0x075a3542) /* 0.459523450 */, 18 }, + /* 6467 */ { MAD_F(0x075a989f) /* 0.459618209 */, 18 }, + /* 6468 */ { MAD_F(0x075afbfd) /* 0.459712973 */, 18 }, + /* 6469 */ { MAD_F(0x075b5f5d) /* 0.459807742 */, 18 }, + /* 6470 */ { MAD_F(0x075bc2bd) /* 0.459902516 */, 18 }, + /* 6471 */ { MAD_F(0x075c261f) /* 0.459997295 */, 18 }, + /* 6472 */ { MAD_F(0x075c8983) /* 0.460092079 */, 18 }, + /* 6473 */ { MAD_F(0x075cece7) /* 0.460186867 */, 18 }, + /* 6474 */ { MAD_F(0x075d504d) /* 0.460281661 */, 18 }, + /* 6475 */ { MAD_F(0x075db3b5) /* 0.460376459 */, 18 }, + /* 6476 */ { MAD_F(0x075e171d) /* 0.460471262 */, 18 }, + /* 6477 */ { MAD_F(0x075e7a87) /* 0.460566071 */, 18 }, + /* 6478 */ { MAD_F(0x075eddf2) /* 0.460660884 */, 18 }, + /* 6479 */ { MAD_F(0x075f415f) /* 0.460755701 */, 18 }, + + /* 6480 */ { MAD_F(0x075fa4cc) /* 0.460850524 */, 18 }, + /* 6481 */ { MAD_F(0x0760083b) /* 0.460945352 */, 18 }, + /* 6482 */ { MAD_F(0x07606bac) /* 0.461040184 */, 18 }, + /* 6483 */ { MAD_F(0x0760cf1e) /* 0.461135022 */, 18 }, + /* 6484 */ { MAD_F(0x07613291) /* 0.461229864 */, 18 }, + /* 6485 */ { MAD_F(0x07619605) /* 0.461324711 */, 18 }, + /* 6486 */ { MAD_F(0x0761f97b) /* 0.461419563 */, 18 }, + /* 6487 */ { MAD_F(0x07625cf2) /* 0.461514420 */, 18 }, + /* 6488 */ { MAD_F(0x0762c06a) /* 0.461609282 */, 18 }, + /* 6489 */ { MAD_F(0x076323e3) /* 0.461704149 */, 18 }, + /* 6490 */ { MAD_F(0x0763875e) /* 0.461799020 */, 18 }, + /* 6491 */ { MAD_F(0x0763eadb) /* 0.461893897 */, 18 }, + /* 6492 */ { MAD_F(0x07644e58) /* 0.461988778 */, 18 }, + /* 6493 */ { MAD_F(0x0764b1d7) /* 0.462083664 */, 18 }, + /* 6494 */ { MAD_F(0x07651557) /* 0.462178555 */, 18 }, + /* 6495 */ { MAD_F(0x076578d8) /* 0.462273451 */, 18 }, + + /* 6496 */ { MAD_F(0x0765dc5b) /* 0.462368352 */, 18 }, + /* 6497 */ { MAD_F(0x07663fdf) /* 0.462463257 */, 18 }, + /* 6498 */ { MAD_F(0x0766a364) /* 0.462558168 */, 18 }, + /* 6499 */ { MAD_F(0x076706eb) /* 0.462653083 */, 18 }, + /* 6500 */ { MAD_F(0x07676a73) /* 0.462748003 */, 18 }, + /* 6501 */ { MAD_F(0x0767cdfc) /* 0.462842928 */, 18 }, + /* 6502 */ { MAD_F(0x07683187) /* 0.462937858 */, 18 }, + /* 6503 */ { MAD_F(0x07689513) /* 0.463032793 */, 18 }, + /* 6504 */ { MAD_F(0x0768f8a0) /* 0.463127733 */, 18 }, + /* 6505 */ { MAD_F(0x07695c2e) /* 0.463222678 */, 18 }, + /* 6506 */ { MAD_F(0x0769bfbe) /* 0.463317627 */, 18 }, + /* 6507 */ { MAD_F(0x076a234f) /* 0.463412581 */, 18 }, + /* 6508 */ { MAD_F(0x076a86e2) /* 0.463507540 */, 18 }, + /* 6509 */ { MAD_F(0x076aea75) /* 0.463602504 */, 18 }, + /* 6510 */ { MAD_F(0x076b4e0a) /* 0.463697473 */, 18 }, + /* 6511 */ { MAD_F(0x076bb1a1) /* 0.463792447 */, 18 }, + + /* 6512 */ { MAD_F(0x076c1538) /* 0.463887426 */, 18 }, + /* 6513 */ { MAD_F(0x076c78d1) /* 0.463982409 */, 18 }, + /* 6514 */ { MAD_F(0x076cdc6c) /* 0.464077398 */, 18 }, + /* 6515 */ { MAD_F(0x076d4007) /* 0.464172391 */, 18 }, + /* 6516 */ { MAD_F(0x076da3a4) /* 0.464267389 */, 18 }, + /* 6517 */ { MAD_F(0x076e0742) /* 0.464362392 */, 18 }, + /* 6518 */ { MAD_F(0x076e6ae2) /* 0.464457399 */, 18 }, + /* 6519 */ { MAD_F(0x076ece82) /* 0.464552412 */, 18 }, + /* 6520 */ { MAD_F(0x076f3224) /* 0.464647430 */, 18 }, + /* 6521 */ { MAD_F(0x076f95c8) /* 0.464742452 */, 18 }, + /* 6522 */ { MAD_F(0x076ff96c) /* 0.464837479 */, 18 }, + /* 6523 */ { MAD_F(0x07705d12) /* 0.464932511 */, 18 }, + /* 6524 */ { MAD_F(0x0770c0ba) /* 0.465027548 */, 18 }, + /* 6525 */ { MAD_F(0x07712462) /* 0.465122590 */, 18 }, + /* 6526 */ { MAD_F(0x0771880c) /* 0.465217637 */, 18 }, + /* 6527 */ { MAD_F(0x0771ebb7) /* 0.465312688 */, 18 }, + + /* 6528 */ { MAD_F(0x07724f64) /* 0.465407744 */, 18 }, + /* 6529 */ { MAD_F(0x0772b312) /* 0.465502806 */, 18 }, + /* 6530 */ { MAD_F(0x077316c1) /* 0.465597872 */, 18 }, + /* 6531 */ { MAD_F(0x07737a71) /* 0.465692943 */, 18 }, + /* 6532 */ { MAD_F(0x0773de23) /* 0.465788018 */, 18 }, + /* 6533 */ { MAD_F(0x077441d6) /* 0.465883099 */, 18 }, + /* 6534 */ { MAD_F(0x0774a58a) /* 0.465978184 */, 18 }, + /* 6535 */ { MAD_F(0x07750940) /* 0.466073275 */, 18 }, + /* 6536 */ { MAD_F(0x07756cf7) /* 0.466168370 */, 18 }, + /* 6537 */ { MAD_F(0x0775d0af) /* 0.466263470 */, 18 }, + /* 6538 */ { MAD_F(0x07763468) /* 0.466358575 */, 18 }, + /* 6539 */ { MAD_F(0x07769823) /* 0.466453684 */, 18 }, + /* 6540 */ { MAD_F(0x0776fbdf) /* 0.466548799 */, 18 }, + /* 6541 */ { MAD_F(0x07775f9d) /* 0.466643918 */, 18 }, + /* 6542 */ { MAD_F(0x0777c35c) /* 0.466739043 */, 18 }, + /* 6543 */ { MAD_F(0x0778271c) /* 0.466834172 */, 18 }, + + /* 6544 */ { MAD_F(0x07788add) /* 0.466929306 */, 18 }, + /* 6545 */ { MAD_F(0x0778ee9f) /* 0.467024445 */, 18 }, + /* 6546 */ { MAD_F(0x07795263) /* 0.467119588 */, 18 }, + /* 6547 */ { MAD_F(0x0779b629) /* 0.467214737 */, 18 }, + /* 6548 */ { MAD_F(0x077a19ef) /* 0.467309890 */, 18 }, + /* 6549 */ { MAD_F(0x077a7db7) /* 0.467405048 */, 18 }, + /* 6550 */ { MAD_F(0x077ae180) /* 0.467500211 */, 18 }, + /* 6551 */ { MAD_F(0x077b454b) /* 0.467595379 */, 18 }, + /* 6552 */ { MAD_F(0x077ba916) /* 0.467690552 */, 18 }, + /* 6553 */ { MAD_F(0x077c0ce3) /* 0.467785729 */, 18 }, + /* 6554 */ { MAD_F(0x077c70b2) /* 0.467880912 */, 18 }, + /* 6555 */ { MAD_F(0x077cd481) /* 0.467976099 */, 18 }, + /* 6556 */ { MAD_F(0x077d3852) /* 0.468071291 */, 18 }, + /* 6557 */ { MAD_F(0x077d9c24) /* 0.468166488 */, 18 }, + /* 6558 */ { MAD_F(0x077dfff8) /* 0.468261690 */, 18 }, + /* 6559 */ { MAD_F(0x077e63cd) /* 0.468356896 */, 18 }, + + /* 6560 */ { MAD_F(0x077ec7a3) /* 0.468452108 */, 18 }, + /* 6561 */ { MAD_F(0x077f2b7a) /* 0.468547324 */, 18 }, + /* 6562 */ { MAD_F(0x077f8f53) /* 0.468642545 */, 18 }, + /* 6563 */ { MAD_F(0x077ff32d) /* 0.468737771 */, 18 }, + /* 6564 */ { MAD_F(0x07805708) /* 0.468833002 */, 18 }, + /* 6565 */ { MAD_F(0x0780bae5) /* 0.468928237 */, 18 }, + /* 6566 */ { MAD_F(0x07811ec3) /* 0.469023478 */, 18 }, + /* 6567 */ { MAD_F(0x078182a2) /* 0.469118723 */, 18 }, + /* 6568 */ { MAD_F(0x0781e683) /* 0.469213973 */, 18 }, + /* 6569 */ { MAD_F(0x07824a64) /* 0.469309228 */, 18 }, + /* 6570 */ { MAD_F(0x0782ae47) /* 0.469404488 */, 18 }, + /* 6571 */ { MAD_F(0x0783122c) /* 0.469499752 */, 18 }, + /* 6572 */ { MAD_F(0x07837612) /* 0.469595022 */, 18 }, + /* 6573 */ { MAD_F(0x0783d9f9) /* 0.469690296 */, 18 }, + /* 6574 */ { MAD_F(0x07843de1) /* 0.469785575 */, 18 }, + /* 6575 */ { MAD_F(0x0784a1ca) /* 0.469880859 */, 18 }, + + /* 6576 */ { MAD_F(0x078505b5) /* 0.469976148 */, 18 }, + /* 6577 */ { MAD_F(0x078569a2) /* 0.470071442 */, 18 }, + /* 6578 */ { MAD_F(0x0785cd8f) /* 0.470166740 */, 18 }, + /* 6579 */ { MAD_F(0x0786317e) /* 0.470262043 */, 18 }, + /* 6580 */ { MAD_F(0x0786956e) /* 0.470357351 */, 18 }, + /* 6581 */ { MAD_F(0x0786f95f) /* 0.470452664 */, 18 }, + /* 6582 */ { MAD_F(0x07875d52) /* 0.470547982 */, 18 }, + /* 6583 */ { MAD_F(0x0787c146) /* 0.470643305 */, 18 }, + /* 6584 */ { MAD_F(0x0788253b) /* 0.470738632 */, 18 }, + /* 6585 */ { MAD_F(0x07888932) /* 0.470833964 */, 18 }, + /* 6586 */ { MAD_F(0x0788ed2a) /* 0.470929301 */, 18 }, + /* 6587 */ { MAD_F(0x07895123) /* 0.471024643 */, 18 }, + /* 6588 */ { MAD_F(0x0789b51d) /* 0.471119990 */, 18 }, + /* 6589 */ { MAD_F(0x078a1919) /* 0.471215341 */, 18 }, + /* 6590 */ { MAD_F(0x078a7d16) /* 0.471310698 */, 18 }, + /* 6591 */ { MAD_F(0x078ae114) /* 0.471406059 */, 18 }, + + /* 6592 */ { MAD_F(0x078b4514) /* 0.471501425 */, 18 }, + /* 6593 */ { MAD_F(0x078ba915) /* 0.471596796 */, 18 }, + /* 6594 */ { MAD_F(0x078c0d17) /* 0.471692171 */, 18 }, + /* 6595 */ { MAD_F(0x078c711a) /* 0.471787552 */, 18 }, + /* 6596 */ { MAD_F(0x078cd51f) /* 0.471882937 */, 18 }, + /* 6597 */ { MAD_F(0x078d3925) /* 0.471978327 */, 18 }, + /* 6598 */ { MAD_F(0x078d9d2d) /* 0.472073722 */, 18 }, + /* 6599 */ { MAD_F(0x078e0135) /* 0.472169122 */, 18 }, + /* 6600 */ { MAD_F(0x078e653f) /* 0.472264527 */, 18 }, + /* 6601 */ { MAD_F(0x078ec94b) /* 0.472359936 */, 18 }, + /* 6602 */ { MAD_F(0x078f2d57) /* 0.472455350 */, 18 }, + /* 6603 */ { MAD_F(0x078f9165) /* 0.472550769 */, 18 }, + /* 6604 */ { MAD_F(0x078ff574) /* 0.472646193 */, 18 }, + /* 6605 */ { MAD_F(0x07905985) /* 0.472741622 */, 18 }, + /* 6606 */ { MAD_F(0x0790bd96) /* 0.472837055 */, 18 }, + /* 6607 */ { MAD_F(0x079121a9) /* 0.472932493 */, 18 }, + + /* 6608 */ { MAD_F(0x079185be) /* 0.473027937 */, 18 }, + /* 6609 */ { MAD_F(0x0791e9d3) /* 0.473123384 */, 18 }, + /* 6610 */ { MAD_F(0x07924dea) /* 0.473218837 */, 18 }, + /* 6611 */ { MAD_F(0x0792b202) /* 0.473314295 */, 18 }, + /* 6612 */ { MAD_F(0x0793161c) /* 0.473409757 */, 18 }, + /* 6613 */ { MAD_F(0x07937a37) /* 0.473505224 */, 18 }, + /* 6614 */ { MAD_F(0x0793de53) /* 0.473600696 */, 18 }, + /* 6615 */ { MAD_F(0x07944270) /* 0.473696173 */, 18 }, + /* 6616 */ { MAD_F(0x0794a68f) /* 0.473791655 */, 18 }, + /* 6617 */ { MAD_F(0x07950aaf) /* 0.473887141 */, 18 }, + /* 6618 */ { MAD_F(0x07956ed0) /* 0.473982632 */, 18 }, + /* 6619 */ { MAD_F(0x0795d2f2) /* 0.474078128 */, 18 }, + /* 6620 */ { MAD_F(0x07963716) /* 0.474173629 */, 18 }, + /* 6621 */ { MAD_F(0x07969b3b) /* 0.474269135 */, 18 }, + /* 6622 */ { MAD_F(0x0796ff62) /* 0.474364645 */, 18 }, + /* 6623 */ { MAD_F(0x07976389) /* 0.474460161 */, 18 }, + + /* 6624 */ { MAD_F(0x0797c7b2) /* 0.474555681 */, 18 }, + /* 6625 */ { MAD_F(0x07982bdd) /* 0.474651205 */, 18 }, + /* 6626 */ { MAD_F(0x07989008) /* 0.474746735 */, 18 }, + /* 6627 */ { MAD_F(0x0798f435) /* 0.474842270 */, 18 }, + /* 6628 */ { MAD_F(0x07995863) /* 0.474937809 */, 18 }, + /* 6629 */ { MAD_F(0x0799bc92) /* 0.475033353 */, 18 }, + /* 6630 */ { MAD_F(0x079a20c3) /* 0.475128902 */, 18 }, + /* 6631 */ { MAD_F(0x079a84f5) /* 0.475224456 */, 18 }, + /* 6632 */ { MAD_F(0x079ae929) /* 0.475320014 */, 18 }, + /* 6633 */ { MAD_F(0x079b4d5d) /* 0.475415578 */, 18 }, + /* 6634 */ { MAD_F(0x079bb193) /* 0.475511146 */, 18 }, + /* 6635 */ { MAD_F(0x079c15ca) /* 0.475606719 */, 18 }, + /* 6636 */ { MAD_F(0x079c7a03) /* 0.475702296 */, 18 }, + /* 6637 */ { MAD_F(0x079cde3c) /* 0.475797879 */, 18 }, + /* 6638 */ { MAD_F(0x079d4277) /* 0.475893466 */, 18 }, + /* 6639 */ { MAD_F(0x079da6b4) /* 0.475989058 */, 18 }, + + /* 6640 */ { MAD_F(0x079e0af1) /* 0.476084655 */, 18 }, + /* 6641 */ { MAD_F(0x079e6f30) /* 0.476180257 */, 18 }, + /* 6642 */ { MAD_F(0x079ed370) /* 0.476275863 */, 18 }, + /* 6643 */ { MAD_F(0x079f37b2) /* 0.476371475 */, 18 }, + /* 6644 */ { MAD_F(0x079f9bf5) /* 0.476467091 */, 18 }, + /* 6645 */ { MAD_F(0x07a00039) /* 0.476562712 */, 18 }, + /* 6646 */ { MAD_F(0x07a0647e) /* 0.476658338 */, 18 }, + /* 6647 */ { MAD_F(0x07a0c8c5) /* 0.476753968 */, 18 }, + /* 6648 */ { MAD_F(0x07a12d0c) /* 0.476849603 */, 18 }, + /* 6649 */ { MAD_F(0x07a19156) /* 0.476945243 */, 18 }, + /* 6650 */ { MAD_F(0x07a1f5a0) /* 0.477040888 */, 18 }, + /* 6651 */ { MAD_F(0x07a259ec) /* 0.477136538 */, 18 }, + /* 6652 */ { MAD_F(0x07a2be39) /* 0.477232193 */, 18 }, + /* 6653 */ { MAD_F(0x07a32287) /* 0.477327852 */, 18 }, + /* 6654 */ { MAD_F(0x07a386d7) /* 0.477423516 */, 18 }, + /* 6655 */ { MAD_F(0x07a3eb28) /* 0.477519185 */, 18 }, + + /* 6656 */ { MAD_F(0x07a44f7a) /* 0.477614858 */, 18 }, + /* 6657 */ { MAD_F(0x07a4b3ce) /* 0.477710537 */, 18 }, + /* 6658 */ { MAD_F(0x07a51822) /* 0.477806220 */, 18 }, + /* 6659 */ { MAD_F(0x07a57c78) /* 0.477901908 */, 18 }, + /* 6660 */ { MAD_F(0x07a5e0d0) /* 0.477997601 */, 18 }, + /* 6661 */ { MAD_F(0x07a64528) /* 0.478093299 */, 18 }, + /* 6662 */ { MAD_F(0x07a6a982) /* 0.478189001 */, 18 }, + /* 6663 */ { MAD_F(0x07a70ddd) /* 0.478284708 */, 18 }, + /* 6664 */ { MAD_F(0x07a7723a) /* 0.478380420 */, 18 }, + /* 6665 */ { MAD_F(0x07a7d698) /* 0.478476137 */, 18 }, + /* 6666 */ { MAD_F(0x07a83af7) /* 0.478571858 */, 18 }, + /* 6667 */ { MAD_F(0x07a89f57) /* 0.478667585 */, 18 }, + /* 6668 */ { MAD_F(0x07a903b9) /* 0.478763316 */, 18 }, + /* 6669 */ { MAD_F(0x07a9681c) /* 0.478859052 */, 18 }, + /* 6670 */ { MAD_F(0x07a9cc80) /* 0.478954793 */, 18 }, + /* 6671 */ { MAD_F(0x07aa30e5) /* 0.479050538 */, 18 }, + + /* 6672 */ { MAD_F(0x07aa954c) /* 0.479146288 */, 18 }, + /* 6673 */ { MAD_F(0x07aaf9b4) /* 0.479242043 */, 18 }, + /* 6674 */ { MAD_F(0x07ab5e1e) /* 0.479337803 */, 18 }, + /* 6675 */ { MAD_F(0x07abc288) /* 0.479433568 */, 18 }, + /* 6676 */ { MAD_F(0x07ac26f4) /* 0.479529337 */, 18 }, + /* 6677 */ { MAD_F(0x07ac8b61) /* 0.479625111 */, 18 }, + /* 6678 */ { MAD_F(0x07acefd0) /* 0.479720890 */, 18 }, + /* 6679 */ { MAD_F(0x07ad543f) /* 0.479816674 */, 18 }, + /* 6680 */ { MAD_F(0x07adb8b0) /* 0.479912463 */, 18 }, + /* 6681 */ { MAD_F(0x07ae1d23) /* 0.480008256 */, 18 }, + /* 6682 */ { MAD_F(0x07ae8196) /* 0.480104054 */, 18 }, + /* 6683 */ { MAD_F(0x07aee60b) /* 0.480199857 */, 18 }, + /* 6684 */ { MAD_F(0x07af4a81) /* 0.480295664 */, 18 }, + /* 6685 */ { MAD_F(0x07afaef9) /* 0.480391477 */, 18 }, + /* 6686 */ { MAD_F(0x07b01372) /* 0.480487294 */, 18 }, + /* 6687 */ { MAD_F(0x07b077ec) /* 0.480583116 */, 18 }, + + /* 6688 */ { MAD_F(0x07b0dc67) /* 0.480678943 */, 18 }, + /* 6689 */ { MAD_F(0x07b140e4) /* 0.480774774 */, 18 }, + /* 6690 */ { MAD_F(0x07b1a561) /* 0.480870611 */, 18 }, + /* 6691 */ { MAD_F(0x07b209e1) /* 0.480966452 */, 18 }, + /* 6692 */ { MAD_F(0x07b26e61) /* 0.481062298 */, 18 }, + /* 6693 */ { MAD_F(0x07b2d2e3) /* 0.481158148 */, 18 }, + /* 6694 */ { MAD_F(0x07b33766) /* 0.481254004 */, 18 }, + /* 6695 */ { MAD_F(0x07b39bea) /* 0.481349864 */, 18 }, + /* 6696 */ { MAD_F(0x07b4006f) /* 0.481445729 */, 18 }, + /* 6697 */ { MAD_F(0x07b464f6) /* 0.481541598 */, 18 }, + /* 6698 */ { MAD_F(0x07b4c97e) /* 0.481637473 */, 18 }, + /* 6699 */ { MAD_F(0x07b52e08) /* 0.481733352 */, 18 }, + /* 6700 */ { MAD_F(0x07b59292) /* 0.481829236 */, 18 }, + /* 6701 */ { MAD_F(0x07b5f71e) /* 0.481925125 */, 18 }, + /* 6702 */ { MAD_F(0x07b65bac) /* 0.482021019 */, 18 }, + /* 6703 */ { MAD_F(0x07b6c03a) /* 0.482116917 */, 18 }, + + /* 6704 */ { MAD_F(0x07b724ca) /* 0.482212820 */, 18 }, + /* 6705 */ { MAD_F(0x07b7895b) /* 0.482308728 */, 18 }, + /* 6706 */ { MAD_F(0x07b7eded) /* 0.482404640 */, 18 }, + /* 6707 */ { MAD_F(0x07b85281) /* 0.482500558 */, 18 }, + /* 6708 */ { MAD_F(0x07b8b716) /* 0.482596480 */, 18 }, + /* 6709 */ { MAD_F(0x07b91bac) /* 0.482692407 */, 18 }, + /* 6710 */ { MAD_F(0x07b98044) /* 0.482788339 */, 18 }, + /* 6711 */ { MAD_F(0x07b9e4dc) /* 0.482884275 */, 18 }, + /* 6712 */ { MAD_F(0x07ba4976) /* 0.482980216 */, 18 }, + /* 6713 */ { MAD_F(0x07baae12) /* 0.483076162 */, 18 }, + /* 6714 */ { MAD_F(0x07bb12ae) /* 0.483172113 */, 18 }, + /* 6715 */ { MAD_F(0x07bb774c) /* 0.483268069 */, 18 }, + /* 6716 */ { MAD_F(0x07bbdbeb) /* 0.483364029 */, 18 }, + /* 6717 */ { MAD_F(0x07bc408c) /* 0.483459994 */, 18 }, + /* 6718 */ { MAD_F(0x07bca52d) /* 0.483555964 */, 18 }, + /* 6719 */ { MAD_F(0x07bd09d0) /* 0.483651939 */, 18 }, + + /* 6720 */ { MAD_F(0x07bd6e75) /* 0.483747918 */, 18 }, + /* 6721 */ { MAD_F(0x07bdd31a) /* 0.483843902 */, 18 }, + /* 6722 */ { MAD_F(0x07be37c1) /* 0.483939891 */, 18 }, + /* 6723 */ { MAD_F(0x07be9c69) /* 0.484035885 */, 18 }, + /* 6724 */ { MAD_F(0x07bf0113) /* 0.484131883 */, 18 }, + /* 6725 */ { MAD_F(0x07bf65bd) /* 0.484227886 */, 18 }, + /* 6726 */ { MAD_F(0x07bfca69) /* 0.484323894 */, 18 }, + /* 6727 */ { MAD_F(0x07c02f16) /* 0.484419907 */, 18 }, + /* 6728 */ { MAD_F(0x07c093c5) /* 0.484515924 */, 18 }, + /* 6729 */ { MAD_F(0x07c0f875) /* 0.484611946 */, 18 }, + /* 6730 */ { MAD_F(0x07c15d26) /* 0.484707973 */, 18 }, + /* 6731 */ { MAD_F(0x07c1c1d8) /* 0.484804005 */, 18 }, + /* 6732 */ { MAD_F(0x07c2268b) /* 0.484900041 */, 18 }, + /* 6733 */ { MAD_F(0x07c28b40) /* 0.484996083 */, 18 }, + /* 6734 */ { MAD_F(0x07c2eff6) /* 0.485092128 */, 18 }, + /* 6735 */ { MAD_F(0x07c354ae) /* 0.485188179 */, 18 }, + + /* 6736 */ { MAD_F(0x07c3b967) /* 0.485284235 */, 18 }, + /* 6737 */ { MAD_F(0x07c41e21) /* 0.485380295 */, 18 }, + /* 6738 */ { MAD_F(0x07c482dc) /* 0.485476360 */, 18 }, + /* 6739 */ { MAD_F(0x07c4e798) /* 0.485572430 */, 18 }, + /* 6740 */ { MAD_F(0x07c54c56) /* 0.485668504 */, 18 }, + /* 6741 */ { MAD_F(0x07c5b115) /* 0.485764583 */, 18 }, + /* 6742 */ { MAD_F(0x07c615d6) /* 0.485860667 */, 18 }, + /* 6743 */ { MAD_F(0x07c67a97) /* 0.485956756 */, 18 }, + /* 6744 */ { MAD_F(0x07c6df5a) /* 0.486052849 */, 18 }, + /* 6745 */ { MAD_F(0x07c7441e) /* 0.486148948 */, 18 }, + /* 6746 */ { MAD_F(0x07c7a8e4) /* 0.486245051 */, 18 }, + /* 6747 */ { MAD_F(0x07c80daa) /* 0.486341158 */, 18 }, + /* 6748 */ { MAD_F(0x07c87272) /* 0.486437271 */, 18 }, + /* 6749 */ { MAD_F(0x07c8d73c) /* 0.486533388 */, 18 }, + /* 6750 */ { MAD_F(0x07c93c06) /* 0.486629510 */, 18 }, + /* 6751 */ { MAD_F(0x07c9a0d2) /* 0.486725637 */, 18 }, + + /* 6752 */ { MAD_F(0x07ca059f) /* 0.486821768 */, 18 }, + /* 6753 */ { MAD_F(0x07ca6a6d) /* 0.486917905 */, 18 }, + /* 6754 */ { MAD_F(0x07cacf3d) /* 0.487014045 */, 18 }, + /* 6755 */ { MAD_F(0x07cb340e) /* 0.487110191 */, 18 }, + /* 6756 */ { MAD_F(0x07cb98e0) /* 0.487206342 */, 18 }, + /* 6757 */ { MAD_F(0x07cbfdb4) /* 0.487302497 */, 18 }, + /* 6758 */ { MAD_F(0x07cc6288) /* 0.487398657 */, 18 }, + /* 6759 */ { MAD_F(0x07ccc75e) /* 0.487494821 */, 18 }, + /* 6760 */ { MAD_F(0x07cd2c36) /* 0.487590991 */, 18 }, + /* 6761 */ { MAD_F(0x07cd910e) /* 0.487687165 */, 18 }, + /* 6762 */ { MAD_F(0x07cdf5e8) /* 0.487783344 */, 18 }, + /* 6763 */ { MAD_F(0x07ce5ac3) /* 0.487879528 */, 18 }, + /* 6764 */ { MAD_F(0x07cebfa0) /* 0.487975716 */, 18 }, + /* 6765 */ { MAD_F(0x07cf247d) /* 0.488071909 */, 18 }, + /* 6766 */ { MAD_F(0x07cf895c) /* 0.488168107 */, 18 }, + /* 6767 */ { MAD_F(0x07cfee3c) /* 0.488264310 */, 18 }, + + /* 6768 */ { MAD_F(0x07d0531e) /* 0.488360517 */, 18 }, + /* 6769 */ { MAD_F(0x07d0b801) /* 0.488456729 */, 18 }, + /* 6770 */ { MAD_F(0x07d11ce5) /* 0.488552946 */, 18 }, + /* 6771 */ { MAD_F(0x07d181ca) /* 0.488649167 */, 18 }, + /* 6772 */ { MAD_F(0x07d1e6b0) /* 0.488745394 */, 18 }, + /* 6773 */ { MAD_F(0x07d24b98) /* 0.488841625 */, 18 }, + /* 6774 */ { MAD_F(0x07d2b081) /* 0.488937860 */, 18 }, + /* 6775 */ { MAD_F(0x07d3156c) /* 0.489034101 */, 18 }, + /* 6776 */ { MAD_F(0x07d37a57) /* 0.489130346 */, 18 }, + /* 6777 */ { MAD_F(0x07d3df44) /* 0.489226596 */, 18 }, + /* 6778 */ { MAD_F(0x07d44432) /* 0.489322851 */, 18 }, + /* 6779 */ { MAD_F(0x07d4a922) /* 0.489419110 */, 18 }, + /* 6780 */ { MAD_F(0x07d50e13) /* 0.489515375 */, 18 }, + /* 6781 */ { MAD_F(0x07d57305) /* 0.489611643 */, 18 }, + /* 6782 */ { MAD_F(0x07d5d7f8) /* 0.489707917 */, 18 }, + /* 6783 */ { MAD_F(0x07d63cec) /* 0.489804195 */, 18 }, + + /* 6784 */ { MAD_F(0x07d6a1e2) /* 0.489900479 */, 18 }, + /* 6785 */ { MAD_F(0x07d706d9) /* 0.489996766 */, 18 }, + /* 6786 */ { MAD_F(0x07d76bd2) /* 0.490093059 */, 18 }, + /* 6787 */ { MAD_F(0x07d7d0cb) /* 0.490189356 */, 18 }, + /* 6788 */ { MAD_F(0x07d835c6) /* 0.490285658 */, 18 }, + /* 6789 */ { MAD_F(0x07d89ac2) /* 0.490381965 */, 18 }, + /* 6790 */ { MAD_F(0x07d8ffc0) /* 0.490478277 */, 18 }, + /* 6791 */ { MAD_F(0x07d964be) /* 0.490574593 */, 18 }, + /* 6792 */ { MAD_F(0x07d9c9be) /* 0.490670914 */, 18 }, + /* 6793 */ { MAD_F(0x07da2ebf) /* 0.490767239 */, 18 }, + /* 6794 */ { MAD_F(0x07da93c2) /* 0.490863570 */, 18 }, + /* 6795 */ { MAD_F(0x07daf8c6) /* 0.490959905 */, 18 }, + /* 6796 */ { MAD_F(0x07db5dcb) /* 0.491056245 */, 18 }, + /* 6797 */ { MAD_F(0x07dbc2d1) /* 0.491152589 */, 18 }, + /* 6798 */ { MAD_F(0x07dc27d9) /* 0.491248939 */, 18 }, + /* 6799 */ { MAD_F(0x07dc8ce1) /* 0.491345293 */, 18 }, + + /* 6800 */ { MAD_F(0x07dcf1ec) /* 0.491441651 */, 18 }, + /* 6801 */ { MAD_F(0x07dd56f7) /* 0.491538015 */, 18 }, + /* 6802 */ { MAD_F(0x07ddbc04) /* 0.491634383 */, 18 }, + /* 6803 */ { MAD_F(0x07de2111) /* 0.491730756 */, 18 }, + /* 6804 */ { MAD_F(0x07de8621) /* 0.491827134 */, 18 }, + /* 6805 */ { MAD_F(0x07deeb31) /* 0.491923516 */, 18 }, + /* 6806 */ { MAD_F(0x07df5043) /* 0.492019903 */, 18 }, + /* 6807 */ { MAD_F(0x07dfb556) /* 0.492116295 */, 18 }, + /* 6808 */ { MAD_F(0x07e01a6a) /* 0.492212691 */, 18 }, + /* 6809 */ { MAD_F(0x07e07f80) /* 0.492309093 */, 18 }, + /* 6810 */ { MAD_F(0x07e0e496) /* 0.492405499 */, 18 }, + /* 6811 */ { MAD_F(0x07e149ae) /* 0.492501909 */, 18 }, + /* 6812 */ { MAD_F(0x07e1aec8) /* 0.492598325 */, 18 }, + /* 6813 */ { MAD_F(0x07e213e2) /* 0.492694745 */, 18 }, + /* 6814 */ { MAD_F(0x07e278fe) /* 0.492791170 */, 18 }, + /* 6815 */ { MAD_F(0x07e2de1b) /* 0.492887599 */, 18 }, + + /* 6816 */ { MAD_F(0x07e3433a) /* 0.492984033 */, 18 }, + /* 6817 */ { MAD_F(0x07e3a859) /* 0.493080472 */, 18 }, + /* 6818 */ { MAD_F(0x07e40d7a) /* 0.493176916 */, 18 }, + /* 6819 */ { MAD_F(0x07e4729c) /* 0.493273365 */, 18 }, + /* 6820 */ { MAD_F(0x07e4d7c0) /* 0.493369818 */, 18 }, + /* 6821 */ { MAD_F(0x07e53ce4) /* 0.493466275 */, 18 }, + /* 6822 */ { MAD_F(0x07e5a20a) /* 0.493562738 */, 18 }, + /* 6823 */ { MAD_F(0x07e60732) /* 0.493659205 */, 18 }, + /* 6824 */ { MAD_F(0x07e66c5a) /* 0.493755677 */, 18 }, + /* 6825 */ { MAD_F(0x07e6d184) /* 0.493852154 */, 18 }, + /* 6826 */ { MAD_F(0x07e736af) /* 0.493948635 */, 18 }, + /* 6827 */ { MAD_F(0x07e79bdb) /* 0.494045122 */, 18 }, + /* 6828 */ { MAD_F(0x07e80109) /* 0.494141612 */, 18 }, + /* 6829 */ { MAD_F(0x07e86638) /* 0.494238108 */, 18 }, + /* 6830 */ { MAD_F(0x07e8cb68) /* 0.494334608 */, 18 }, + /* 6831 */ { MAD_F(0x07e93099) /* 0.494431113 */, 18 }, + + /* 6832 */ { MAD_F(0x07e995cc) /* 0.494527623 */, 18 }, + /* 6833 */ { MAD_F(0x07e9fb00) /* 0.494624137 */, 18 }, + /* 6834 */ { MAD_F(0x07ea6035) /* 0.494720656 */, 18 }, + /* 6835 */ { MAD_F(0x07eac56b) /* 0.494817180 */, 18 }, + /* 6836 */ { MAD_F(0x07eb2aa3) /* 0.494913709 */, 18 }, + /* 6837 */ { MAD_F(0x07eb8fdc) /* 0.495010242 */, 18 }, + /* 6838 */ { MAD_F(0x07ebf516) /* 0.495106780 */, 18 }, + /* 6839 */ { MAD_F(0x07ec5a51) /* 0.495203322 */, 18 }, + /* 6840 */ { MAD_F(0x07ecbf8e) /* 0.495299870 */, 18 }, + /* 6841 */ { MAD_F(0x07ed24cc) /* 0.495396422 */, 18 }, + /* 6842 */ { MAD_F(0x07ed8a0b) /* 0.495492978 */, 18 }, + /* 6843 */ { MAD_F(0x07edef4c) /* 0.495589540 */, 18 }, + /* 6844 */ { MAD_F(0x07ee548e) /* 0.495686106 */, 18 }, + /* 6845 */ { MAD_F(0x07eeb9d1) /* 0.495782677 */, 18 }, + /* 6846 */ { MAD_F(0x07ef1f15) /* 0.495879252 */, 18 }, + /* 6847 */ { MAD_F(0x07ef845b) /* 0.495975833 */, 18 }, + + /* 6848 */ { MAD_F(0x07efe9a1) /* 0.496072418 */, 18 }, + /* 6849 */ { MAD_F(0x07f04ee9) /* 0.496169007 */, 18 }, + /* 6850 */ { MAD_F(0x07f0b433) /* 0.496265602 */, 18 }, + /* 6851 */ { MAD_F(0x07f1197d) /* 0.496362201 */, 18 }, + /* 6852 */ { MAD_F(0x07f17ec9) /* 0.496458804 */, 18 }, + /* 6853 */ { MAD_F(0x07f1e416) /* 0.496555413 */, 18 }, + /* 6854 */ { MAD_F(0x07f24965) /* 0.496652026 */, 18 }, + /* 6855 */ { MAD_F(0x07f2aeb5) /* 0.496748644 */, 18 }, + /* 6856 */ { MAD_F(0x07f31405) /* 0.496845266 */, 18 }, + /* 6857 */ { MAD_F(0x07f37958) /* 0.496941894 */, 18 }, + /* 6858 */ { MAD_F(0x07f3deab) /* 0.497038526 */, 18 }, + /* 6859 */ { MAD_F(0x07f44400) /* 0.497135162 */, 18 }, + /* 6860 */ { MAD_F(0x07f4a956) /* 0.497231804 */, 18 }, + /* 6861 */ { MAD_F(0x07f50ead) /* 0.497328450 */, 18 }, + /* 6862 */ { MAD_F(0x07f57405) /* 0.497425100 */, 18 }, + /* 6863 */ { MAD_F(0x07f5d95f) /* 0.497521756 */, 18 }, + + /* 6864 */ { MAD_F(0x07f63eba) /* 0.497618416 */, 18 }, + /* 6865 */ { MAD_F(0x07f6a416) /* 0.497715081 */, 18 }, + /* 6866 */ { MAD_F(0x07f70974) /* 0.497811750 */, 18 }, + /* 6867 */ { MAD_F(0x07f76ed3) /* 0.497908425 */, 18 }, + /* 6868 */ { MAD_F(0x07f7d433) /* 0.498005103 */, 18 }, + /* 6869 */ { MAD_F(0x07f83994) /* 0.498101787 */, 18 }, + /* 6870 */ { MAD_F(0x07f89ef7) /* 0.498198475 */, 18 }, + /* 6871 */ { MAD_F(0x07f9045a) /* 0.498295168 */, 18 }, + /* 6872 */ { MAD_F(0x07f969c0) /* 0.498391866 */, 18 }, + /* 6873 */ { MAD_F(0x07f9cf26) /* 0.498488568 */, 18 }, + /* 6874 */ { MAD_F(0x07fa348e) /* 0.498585275 */, 18 }, + /* 6875 */ { MAD_F(0x07fa99f6) /* 0.498681987 */, 18 }, + /* 6876 */ { MAD_F(0x07faff60) /* 0.498778704 */, 18 }, + /* 6877 */ { MAD_F(0x07fb64cc) /* 0.498875425 */, 18 }, + /* 6878 */ { MAD_F(0x07fbca38) /* 0.498972150 */, 18 }, + /* 6879 */ { MAD_F(0x07fc2fa6) /* 0.499068881 */, 18 }, + + /* 6880 */ { MAD_F(0x07fc9516) /* 0.499165616 */, 18 }, + /* 6881 */ { MAD_F(0x07fcfa86) /* 0.499262356 */, 18 }, + /* 6882 */ { MAD_F(0x07fd5ff8) /* 0.499359101 */, 18 }, + /* 6883 */ { MAD_F(0x07fdc56b) /* 0.499455850 */, 18 }, + /* 6884 */ { MAD_F(0x07fe2adf) /* 0.499552604 */, 18 }, + /* 6885 */ { MAD_F(0x07fe9054) /* 0.499649362 */, 18 }, + /* 6886 */ { MAD_F(0x07fef5cb) /* 0.499746126 */, 18 }, + /* 6887 */ { MAD_F(0x07ff5b43) /* 0.499842894 */, 18 }, + /* 6888 */ { MAD_F(0x07ffc0bc) /* 0.499939666 */, 18 }, + /* 6889 */ { MAD_F(0x0400131b) /* 0.250018222 */, 19 }, + /* 6890 */ { MAD_F(0x040045d9) /* 0.250066613 */, 19 }, + /* 6891 */ { MAD_F(0x04007897) /* 0.250115006 */, 19 }, + /* 6892 */ { MAD_F(0x0400ab57) /* 0.250163402 */, 19 }, + /* 6893 */ { MAD_F(0x0400de16) /* 0.250211800 */, 19 }, + /* 6894 */ { MAD_F(0x040110d7) /* 0.250260200 */, 19 }, + /* 6895 */ { MAD_F(0x04014398) /* 0.250308603 */, 19 }, + + /* 6896 */ { MAD_F(0x04017659) /* 0.250357008 */, 19 }, + /* 6897 */ { MAD_F(0x0401a91c) /* 0.250405415 */, 19 }, + /* 6898 */ { MAD_F(0x0401dbdf) /* 0.250453825 */, 19 }, + /* 6899 */ { MAD_F(0x04020ea2) /* 0.250502237 */, 19 }, + /* 6900 */ { MAD_F(0x04024166) /* 0.250550652 */, 19 }, + /* 6901 */ { MAD_F(0x0402742b) /* 0.250599068 */, 19 }, + /* 6902 */ { MAD_F(0x0402a6f0) /* 0.250647488 */, 19 }, + /* 6903 */ { MAD_F(0x0402d9b6) /* 0.250695909 */, 19 }, + /* 6904 */ { MAD_F(0x04030c7d) /* 0.250744333 */, 19 }, + /* 6905 */ { MAD_F(0x04033f44) /* 0.250792759 */, 19 }, + /* 6906 */ { MAD_F(0x0403720c) /* 0.250841187 */, 19 }, + /* 6907 */ { MAD_F(0x0403a4d5) /* 0.250889618 */, 19 }, + /* 6908 */ { MAD_F(0x0403d79e) /* 0.250938051 */, 19 }, + /* 6909 */ { MAD_F(0x04040a68) /* 0.250986487 */, 19 }, + /* 6910 */ { MAD_F(0x04043d32) /* 0.251034924 */, 19 }, + /* 6911 */ { MAD_F(0x04046ffd) /* 0.251083365 */, 19 }, + + /* 6912 */ { MAD_F(0x0404a2c9) /* 0.251131807 */, 19 }, + /* 6913 */ { MAD_F(0x0404d595) /* 0.251180252 */, 19 }, + /* 6914 */ { MAD_F(0x04050862) /* 0.251228699 */, 19 }, + /* 6915 */ { MAD_F(0x04053b30) /* 0.251277148 */, 19 }, + /* 6916 */ { MAD_F(0x04056dfe) /* 0.251325600 */, 19 }, + /* 6917 */ { MAD_F(0x0405a0cd) /* 0.251374054 */, 19 }, + /* 6918 */ { MAD_F(0x0405d39c) /* 0.251422511 */, 19 }, + /* 6919 */ { MAD_F(0x0406066c) /* 0.251470970 */, 19 }, + /* 6920 */ { MAD_F(0x0406393d) /* 0.251519431 */, 19 }, + /* 6921 */ { MAD_F(0x04066c0e) /* 0.251567894 */, 19 }, + /* 6922 */ { MAD_F(0x04069ee0) /* 0.251616360 */, 19 }, + /* 6923 */ { MAD_F(0x0406d1b3) /* 0.251664828 */, 19 }, + /* 6924 */ { MAD_F(0x04070486) /* 0.251713299 */, 19 }, + /* 6925 */ { MAD_F(0x0407375a) /* 0.251761772 */, 19 }, + /* 6926 */ { MAD_F(0x04076a2e) /* 0.251810247 */, 19 }, + /* 6927 */ { MAD_F(0x04079d03) /* 0.251858724 */, 19 }, + + /* 6928 */ { MAD_F(0x0407cfd9) /* 0.251907204 */, 19 }, + /* 6929 */ { MAD_F(0x040802af) /* 0.251955686 */, 19 }, + /* 6930 */ { MAD_F(0x04083586) /* 0.252004171 */, 19 }, + /* 6931 */ { MAD_F(0x0408685e) /* 0.252052658 */, 19 }, + /* 6932 */ { MAD_F(0x04089b36) /* 0.252101147 */, 19 }, + /* 6933 */ { MAD_F(0x0408ce0f) /* 0.252149638 */, 19 }, + /* 6934 */ { MAD_F(0x040900e8) /* 0.252198132 */, 19 }, + /* 6935 */ { MAD_F(0x040933c2) /* 0.252246628 */, 19 }, + /* 6936 */ { MAD_F(0x0409669d) /* 0.252295127 */, 19 }, + /* 6937 */ { MAD_F(0x04099978) /* 0.252343627 */, 19 }, + /* 6938 */ { MAD_F(0x0409cc54) /* 0.252392131 */, 19 }, + /* 6939 */ { MAD_F(0x0409ff31) /* 0.252440636 */, 19 }, + /* 6940 */ { MAD_F(0x040a320e) /* 0.252489144 */, 19 }, + /* 6941 */ { MAD_F(0x040a64ec) /* 0.252537654 */, 19 }, + /* 6942 */ { MAD_F(0x040a97cb) /* 0.252586166 */, 19 }, + /* 6943 */ { MAD_F(0x040acaaa) /* 0.252634681 */, 19 }, + + /* 6944 */ { MAD_F(0x040afd89) /* 0.252683198 */, 19 }, + /* 6945 */ { MAD_F(0x040b306a) /* 0.252731718 */, 19 }, + /* 6946 */ { MAD_F(0x040b634b) /* 0.252780240 */, 19 }, + /* 6947 */ { MAD_F(0x040b962c) /* 0.252828764 */, 19 }, + /* 6948 */ { MAD_F(0x040bc90e) /* 0.252877290 */, 19 }, + /* 6949 */ { MAD_F(0x040bfbf1) /* 0.252925819 */, 19 }, + /* 6950 */ { MAD_F(0x040c2ed5) /* 0.252974350 */, 19 }, + /* 6951 */ { MAD_F(0x040c61b9) /* 0.253022883 */, 19 }, + /* 6952 */ { MAD_F(0x040c949e) /* 0.253071419 */, 19 }, + /* 6953 */ { MAD_F(0x040cc783) /* 0.253119957 */, 19 }, + /* 6954 */ { MAD_F(0x040cfa69) /* 0.253168498 */, 19 }, + /* 6955 */ { MAD_F(0x040d2d4f) /* 0.253217040 */, 19 }, + /* 6956 */ { MAD_F(0x040d6037) /* 0.253265585 */, 19 }, + /* 6957 */ { MAD_F(0x040d931e) /* 0.253314133 */, 19 }, + /* 6958 */ { MAD_F(0x040dc607) /* 0.253362682 */, 19 }, + /* 6959 */ { MAD_F(0x040df8f0) /* 0.253411234 */, 19 }, + + /* 6960 */ { MAD_F(0x040e2bda) /* 0.253459789 */, 19 }, + /* 6961 */ { MAD_F(0x040e5ec4) /* 0.253508345 */, 19 }, + /* 6962 */ { MAD_F(0x040e91af) /* 0.253556904 */, 19 }, + /* 6963 */ { MAD_F(0x040ec49b) /* 0.253605466 */, 19 }, + /* 6964 */ { MAD_F(0x040ef787) /* 0.253654029 */, 19 }, + /* 6965 */ { MAD_F(0x040f2a74) /* 0.253702595 */, 19 }, + /* 6966 */ { MAD_F(0x040f5d61) /* 0.253751164 */, 19 }, + /* 6967 */ { MAD_F(0x040f904f) /* 0.253799734 */, 19 }, + /* 6968 */ { MAD_F(0x040fc33e) /* 0.253848307 */, 19 }, + /* 6969 */ { MAD_F(0x040ff62d) /* 0.253896883 */, 19 }, + /* 6970 */ { MAD_F(0x0410291d) /* 0.253945460 */, 19 }, + /* 6971 */ { MAD_F(0x04105c0e) /* 0.253994040 */, 19 }, + /* 6972 */ { MAD_F(0x04108eff) /* 0.254042622 */, 19 }, + /* 6973 */ { MAD_F(0x0410c1f1) /* 0.254091207 */, 19 }, + /* 6974 */ { MAD_F(0x0410f4e3) /* 0.254139794 */, 19 }, + /* 6975 */ { MAD_F(0x041127d6) /* 0.254188383 */, 19 }, + + /* 6976 */ { MAD_F(0x04115aca) /* 0.254236974 */, 19 }, + /* 6977 */ { MAD_F(0x04118dbe) /* 0.254285568 */, 19 }, + /* 6978 */ { MAD_F(0x0411c0b3) /* 0.254334165 */, 19 }, + /* 6979 */ { MAD_F(0x0411f3a9) /* 0.254382763 */, 19 }, + /* 6980 */ { MAD_F(0x0412269f) /* 0.254431364 */, 19 }, + /* 6981 */ { MAD_F(0x04125996) /* 0.254479967 */, 19 }, + /* 6982 */ { MAD_F(0x04128c8d) /* 0.254528572 */, 19 }, + /* 6983 */ { MAD_F(0x0412bf85) /* 0.254577180 */, 19 }, + /* 6984 */ { MAD_F(0x0412f27e) /* 0.254625790 */, 19 }, + /* 6985 */ { MAD_F(0x04132577) /* 0.254674403 */, 19 }, + /* 6986 */ { MAD_F(0x04135871) /* 0.254723017 */, 19 }, + /* 6987 */ { MAD_F(0x04138b6c) /* 0.254771635 */, 19 }, + /* 6988 */ { MAD_F(0x0413be67) /* 0.254820254 */, 19 }, + /* 6989 */ { MAD_F(0x0413f163) /* 0.254868876 */, 19 }, + /* 6990 */ { MAD_F(0x0414245f) /* 0.254917500 */, 19 }, + /* 6991 */ { MAD_F(0x0414575c) /* 0.254966126 */, 19 }, + + /* 6992 */ { MAD_F(0x04148a5a) /* 0.255014755 */, 19 }, + /* 6993 */ { MAD_F(0x0414bd58) /* 0.255063386 */, 19 }, + /* 6994 */ { MAD_F(0x0414f057) /* 0.255112019 */, 19 }, + /* 6995 */ { MAD_F(0x04152356) /* 0.255160655 */, 19 }, + /* 6996 */ { MAD_F(0x04155657) /* 0.255209292 */, 19 }, + /* 6997 */ { MAD_F(0x04158957) /* 0.255257933 */, 19 }, + /* 6998 */ { MAD_F(0x0415bc59) /* 0.255306575 */, 19 }, + /* 6999 */ { MAD_F(0x0415ef5b) /* 0.255355220 */, 19 }, + /* 7000 */ { MAD_F(0x0416225d) /* 0.255403867 */, 19 }, + /* 7001 */ { MAD_F(0x04165561) /* 0.255452517 */, 19 }, + /* 7002 */ { MAD_F(0x04168864) /* 0.255501169 */, 19 }, + /* 7003 */ { MAD_F(0x0416bb69) /* 0.255549823 */, 19 }, + /* 7004 */ { MAD_F(0x0416ee6e) /* 0.255598479 */, 19 }, + /* 7005 */ { MAD_F(0x04172174) /* 0.255647138 */, 19 }, + /* 7006 */ { MAD_F(0x0417547a) /* 0.255695799 */, 19 }, + /* 7007 */ { MAD_F(0x04178781) /* 0.255744463 */, 19 }, + + /* 7008 */ { MAD_F(0x0417ba89) /* 0.255793128 */, 19 }, + /* 7009 */ { MAD_F(0x0417ed91) /* 0.255841796 */, 19 }, + /* 7010 */ { MAD_F(0x0418209a) /* 0.255890467 */, 19 }, + /* 7011 */ { MAD_F(0x041853a3) /* 0.255939139 */, 19 }, + /* 7012 */ { MAD_F(0x041886ad) /* 0.255987814 */, 19 }, + /* 7013 */ { MAD_F(0x0418b9b8) /* 0.256036492 */, 19 }, + /* 7014 */ { MAD_F(0x0418ecc3) /* 0.256085171 */, 19 }, + /* 7015 */ { MAD_F(0x04191fcf) /* 0.256133853 */, 19 }, + /* 7016 */ { MAD_F(0x041952dc) /* 0.256182537 */, 19 }, + /* 7017 */ { MAD_F(0x041985e9) /* 0.256231224 */, 19 }, + /* 7018 */ { MAD_F(0x0419b8f7) /* 0.256279913 */, 19 }, + /* 7019 */ { MAD_F(0x0419ec05) /* 0.256328604 */, 19 }, + /* 7020 */ { MAD_F(0x041a1f15) /* 0.256377297 */, 19 }, + /* 7021 */ { MAD_F(0x041a5224) /* 0.256425993 */, 19 }, + /* 7022 */ { MAD_F(0x041a8534) /* 0.256474691 */, 19 }, + /* 7023 */ { MAD_F(0x041ab845) /* 0.256523392 */, 19 }, + + /* 7024 */ { MAD_F(0x041aeb57) /* 0.256572095 */, 19 }, + /* 7025 */ { MAD_F(0x041b1e69) /* 0.256620800 */, 19 }, + /* 7026 */ { MAD_F(0x041b517c) /* 0.256669507 */, 19 }, + /* 7027 */ { MAD_F(0x041b848f) /* 0.256718217 */, 19 }, + /* 7028 */ { MAD_F(0x041bb7a3) /* 0.256766929 */, 19 }, + /* 7029 */ { MAD_F(0x041beab8) /* 0.256815643 */, 19 }, + /* 7030 */ { MAD_F(0x041c1dcd) /* 0.256864359 */, 19 }, + /* 7031 */ { MAD_F(0x041c50e3) /* 0.256913078 */, 19 }, + /* 7032 */ { MAD_F(0x041c83fa) /* 0.256961800 */, 19 }, + /* 7033 */ { MAD_F(0x041cb711) /* 0.257010523 */, 19 }, + /* 7034 */ { MAD_F(0x041cea28) /* 0.257059249 */, 19 }, + /* 7035 */ { MAD_F(0x041d1d41) /* 0.257107977 */, 19 }, + /* 7036 */ { MAD_F(0x041d505a) /* 0.257156708 */, 19 }, + /* 7037 */ { MAD_F(0x041d8373) /* 0.257205440 */, 19 }, + /* 7038 */ { MAD_F(0x041db68e) /* 0.257254175 */, 19 }, + /* 7039 */ { MAD_F(0x041de9a8) /* 0.257302913 */, 19 }, + + /* 7040 */ { MAD_F(0x041e1cc4) /* 0.257351652 */, 19 }, + /* 7041 */ { MAD_F(0x041e4fe0) /* 0.257400394 */, 19 }, + /* 7042 */ { MAD_F(0x041e82fd) /* 0.257449139 */, 19 }, + /* 7043 */ { MAD_F(0x041eb61a) /* 0.257497885 */, 19 }, + /* 7044 */ { MAD_F(0x041ee938) /* 0.257546634 */, 19 }, + /* 7045 */ { MAD_F(0x041f1c57) /* 0.257595386 */, 19 }, + /* 7046 */ { MAD_F(0x041f4f76) /* 0.257644139 */, 19 }, + /* 7047 */ { MAD_F(0x041f8296) /* 0.257692895 */, 19 }, + /* 7048 */ { MAD_F(0x041fb5b6) /* 0.257741653 */, 19 }, + /* 7049 */ { MAD_F(0x041fe8d7) /* 0.257790414 */, 19 }, + /* 7050 */ { MAD_F(0x04201bf9) /* 0.257839176 */, 19 }, + /* 7051 */ { MAD_F(0x04204f1b) /* 0.257887941 */, 19 }, + /* 7052 */ { MAD_F(0x0420823e) /* 0.257936709 */, 19 }, + /* 7053 */ { MAD_F(0x0420b561) /* 0.257985478 */, 19 }, + /* 7054 */ { MAD_F(0x0420e885) /* 0.258034250 */, 19 }, + /* 7055 */ { MAD_F(0x04211baa) /* 0.258083025 */, 19 }, + + /* 7056 */ { MAD_F(0x04214ed0) /* 0.258131801 */, 19 }, + /* 7057 */ { MAD_F(0x042181f6) /* 0.258180580 */, 19 }, + /* 7058 */ { MAD_F(0x0421b51c) /* 0.258229361 */, 19 }, + /* 7059 */ { MAD_F(0x0421e843) /* 0.258278145 */, 19 }, + /* 7060 */ { MAD_F(0x04221b6b) /* 0.258326931 */, 19 }, + /* 7061 */ { MAD_F(0x04224e94) /* 0.258375719 */, 19 }, + /* 7062 */ { MAD_F(0x042281bd) /* 0.258424509 */, 19 }, + /* 7063 */ { MAD_F(0x0422b4e6) /* 0.258473302 */, 19 }, + /* 7064 */ { MAD_F(0x0422e811) /* 0.258522097 */, 19 }, + /* 7065 */ { MAD_F(0x04231b3c) /* 0.258570894 */, 19 }, + /* 7066 */ { MAD_F(0x04234e67) /* 0.258619694 */, 19 }, + /* 7067 */ { MAD_F(0x04238193) /* 0.258668496 */, 19 }, + /* 7068 */ { MAD_F(0x0423b4c0) /* 0.258717300 */, 19 }, + /* 7069 */ { MAD_F(0x0423e7ee) /* 0.258766106 */, 19 }, + /* 7070 */ { MAD_F(0x04241b1c) /* 0.258814915 */, 19 }, + /* 7071 */ { MAD_F(0x04244e4a) /* 0.258863726 */, 19 }, + + /* 7072 */ { MAD_F(0x04248179) /* 0.258912540 */, 19 }, + /* 7073 */ { MAD_F(0x0424b4a9) /* 0.258961356 */, 19 }, + /* 7074 */ { MAD_F(0x0424e7da) /* 0.259010174 */, 19 }, + /* 7075 */ { MAD_F(0x04251b0b) /* 0.259058994 */, 19 }, + /* 7076 */ { MAD_F(0x04254e3d) /* 0.259107817 */, 19 }, + /* 7077 */ { MAD_F(0x0425816f) /* 0.259156642 */, 19 }, + /* 7078 */ { MAD_F(0x0425b4a2) /* 0.259205469 */, 19 }, + /* 7079 */ { MAD_F(0x0425e7d6) /* 0.259254298 */, 19 }, + /* 7080 */ { MAD_F(0x04261b0a) /* 0.259303130 */, 19 }, + /* 7081 */ { MAD_F(0x04264e3f) /* 0.259351964 */, 19 }, + /* 7082 */ { MAD_F(0x04268174) /* 0.259400801 */, 19 }, + /* 7083 */ { MAD_F(0x0426b4aa) /* 0.259449639 */, 19 }, + /* 7084 */ { MAD_F(0x0426e7e1) /* 0.259498480 */, 19 }, + /* 7085 */ { MAD_F(0x04271b18) /* 0.259547324 */, 19 }, + /* 7086 */ { MAD_F(0x04274e50) /* 0.259596169 */, 19 }, + /* 7087 */ { MAD_F(0x04278188) /* 0.259645017 */, 19 }, + + /* 7088 */ { MAD_F(0x0427b4c2) /* 0.259693868 */, 19 }, + /* 7089 */ { MAD_F(0x0427e7fb) /* 0.259742720 */, 19 }, + /* 7090 */ { MAD_F(0x04281b36) /* 0.259791575 */, 19 }, + /* 7091 */ { MAD_F(0x04284e71) /* 0.259840432 */, 19 }, + /* 7092 */ { MAD_F(0x042881ac) /* 0.259889291 */, 19 }, + /* 7093 */ { MAD_F(0x0428b4e8) /* 0.259938153 */, 19 }, + /* 7094 */ { MAD_F(0x0428e825) /* 0.259987017 */, 19 }, + /* 7095 */ { MAD_F(0x04291b63) /* 0.260035883 */, 19 }, + /* 7096 */ { MAD_F(0x04294ea1) /* 0.260084752 */, 19 }, + /* 7097 */ { MAD_F(0x042981df) /* 0.260133623 */, 19 }, + /* 7098 */ { MAD_F(0x0429b51f) /* 0.260182496 */, 19 }, + /* 7099 */ { MAD_F(0x0429e85f) /* 0.260231372 */, 19 }, + /* 7100 */ { MAD_F(0x042a1b9f) /* 0.260280249 */, 19 }, + /* 7101 */ { MAD_F(0x042a4ee0) /* 0.260329129 */, 19 }, + /* 7102 */ { MAD_F(0x042a8222) /* 0.260378012 */, 19 }, + /* 7103 */ { MAD_F(0x042ab564) /* 0.260426896 */, 19 }, + + /* 7104 */ { MAD_F(0x042ae8a7) /* 0.260475783 */, 19 }, + /* 7105 */ { MAD_F(0x042b1beb) /* 0.260524673 */, 19 }, + /* 7106 */ { MAD_F(0x042b4f2f) /* 0.260573564 */, 19 }, + /* 7107 */ { MAD_F(0x042b8274) /* 0.260622458 */, 19 }, + /* 7108 */ { MAD_F(0x042bb5ba) /* 0.260671354 */, 19 }, + /* 7109 */ { MAD_F(0x042be900) /* 0.260720252 */, 19 }, + /* 7110 */ { MAD_F(0x042c1c46) /* 0.260769153 */, 19 }, + /* 7111 */ { MAD_F(0x042c4f8e) /* 0.260818056 */, 19 }, + /* 7112 */ { MAD_F(0x042c82d6) /* 0.260866961 */, 19 }, + /* 7113 */ { MAD_F(0x042cb61e) /* 0.260915869 */, 19 }, + /* 7114 */ { MAD_F(0x042ce967) /* 0.260964779 */, 19 }, + /* 7115 */ { MAD_F(0x042d1cb1) /* 0.261013691 */, 19 }, + /* 7116 */ { MAD_F(0x042d4ffb) /* 0.261062606 */, 19 }, + /* 7117 */ { MAD_F(0x042d8346) /* 0.261111522 */, 19 }, + /* 7118 */ { MAD_F(0x042db692) /* 0.261160441 */, 19 }, + /* 7119 */ { MAD_F(0x042de9de) /* 0.261209363 */, 19 }, + + /* 7120 */ { MAD_F(0x042e1d2b) /* 0.261258286 */, 19 }, + /* 7121 */ { MAD_F(0x042e5078) /* 0.261307212 */, 19 }, + /* 7122 */ { MAD_F(0x042e83c6) /* 0.261356140 */, 19 }, + /* 7123 */ { MAD_F(0x042eb715) /* 0.261405071 */, 19 }, + /* 7124 */ { MAD_F(0x042eea64) /* 0.261454004 */, 19 }, + /* 7125 */ { MAD_F(0x042f1db4) /* 0.261502939 */, 19 }, + /* 7126 */ { MAD_F(0x042f5105) /* 0.261551876 */, 19 }, + /* 7127 */ { MAD_F(0x042f8456) /* 0.261600816 */, 19 }, + /* 7128 */ { MAD_F(0x042fb7a8) /* 0.261649758 */, 19 }, + /* 7129 */ { MAD_F(0x042feafa) /* 0.261698702 */, 19 }, + /* 7130 */ { MAD_F(0x04301e4d) /* 0.261747649 */, 19 }, + /* 7131 */ { MAD_F(0x043051a1) /* 0.261796597 */, 19 }, + /* 7132 */ { MAD_F(0x043084f5) /* 0.261845548 */, 19 }, + /* 7133 */ { MAD_F(0x0430b84a) /* 0.261894502 */, 19 }, + /* 7134 */ { MAD_F(0x0430eb9f) /* 0.261943458 */, 19 }, + /* 7135 */ { MAD_F(0x04311ef5) /* 0.261992416 */, 19 }, + + /* 7136 */ { MAD_F(0x0431524c) /* 0.262041376 */, 19 }, + /* 7137 */ { MAD_F(0x043185a3) /* 0.262090338 */, 19 }, + /* 7138 */ { MAD_F(0x0431b8fb) /* 0.262139303 */, 19 }, + /* 7139 */ { MAD_F(0x0431ec54) /* 0.262188270 */, 19 }, + /* 7140 */ { MAD_F(0x04321fad) /* 0.262237240 */, 19 }, + /* 7141 */ { MAD_F(0x04325306) /* 0.262286211 */, 19 }, + /* 7142 */ { MAD_F(0x04328661) /* 0.262335185 */, 19 }, + /* 7143 */ { MAD_F(0x0432b9bc) /* 0.262384162 */, 19 }, + /* 7144 */ { MAD_F(0x0432ed17) /* 0.262433140 */, 19 }, + /* 7145 */ { MAD_F(0x04332074) /* 0.262482121 */, 19 }, + /* 7146 */ { MAD_F(0x043353d0) /* 0.262531104 */, 19 }, + /* 7147 */ { MAD_F(0x0433872e) /* 0.262580089 */, 19 }, + /* 7148 */ { MAD_F(0x0433ba8c) /* 0.262629077 */, 19 }, + /* 7149 */ { MAD_F(0x0433edea) /* 0.262678067 */, 19 }, + /* 7150 */ { MAD_F(0x0434214a) /* 0.262727059 */, 19 }, + /* 7151 */ { MAD_F(0x043454aa) /* 0.262776054 */, 19 }, + + /* 7152 */ { MAD_F(0x0434880a) /* 0.262825051 */, 19 }, + /* 7153 */ { MAD_F(0x0434bb6b) /* 0.262874050 */, 19 }, + /* 7154 */ { MAD_F(0x0434eecd) /* 0.262923051 */, 19 }, + /* 7155 */ { MAD_F(0x0435222f) /* 0.262972055 */, 19 }, + /* 7156 */ { MAD_F(0x04355592) /* 0.263021061 */, 19 }, + /* 7157 */ { MAD_F(0x043588f6) /* 0.263070069 */, 19 }, + /* 7158 */ { MAD_F(0x0435bc5a) /* 0.263119079 */, 19 }, + /* 7159 */ { MAD_F(0x0435efbf) /* 0.263168092 */, 19 }, + /* 7160 */ { MAD_F(0x04362324) /* 0.263217107 */, 19 }, + /* 7161 */ { MAD_F(0x0436568a) /* 0.263266125 */, 19 }, + /* 7162 */ { MAD_F(0x043689f1) /* 0.263315144 */, 19 }, + /* 7163 */ { MAD_F(0x0436bd58) /* 0.263364166 */, 19 }, + /* 7164 */ { MAD_F(0x0436f0c0) /* 0.263413191 */, 19 }, + /* 7165 */ { MAD_F(0x04372428) /* 0.263462217 */, 19 }, + /* 7166 */ { MAD_F(0x04375791) /* 0.263511246 */, 19 }, + /* 7167 */ { MAD_F(0x04378afb) /* 0.263560277 */, 19 }, + + /* 7168 */ { MAD_F(0x0437be65) /* 0.263609310 */, 19 }, + /* 7169 */ { MAD_F(0x0437f1d0) /* 0.263658346 */, 19 }, + /* 7170 */ { MAD_F(0x0438253c) /* 0.263707384 */, 19 }, + /* 7171 */ { MAD_F(0x043858a8) /* 0.263756424 */, 19 }, + /* 7172 */ { MAD_F(0x04388c14) /* 0.263805466 */, 19 }, + /* 7173 */ { MAD_F(0x0438bf82) /* 0.263854511 */, 19 }, + /* 7174 */ { MAD_F(0x0438f2f0) /* 0.263903558 */, 19 }, + /* 7175 */ { MAD_F(0x0439265e) /* 0.263952607 */, 19 }, + /* 7176 */ { MAD_F(0x043959cd) /* 0.264001659 */, 19 }, + /* 7177 */ { MAD_F(0x04398d3d) /* 0.264050713 */, 19 }, + /* 7178 */ { MAD_F(0x0439c0ae) /* 0.264099769 */, 19 }, + /* 7179 */ { MAD_F(0x0439f41f) /* 0.264148827 */, 19 }, + /* 7180 */ { MAD_F(0x043a2790) /* 0.264197888 */, 19 }, + /* 7181 */ { MAD_F(0x043a5b02) /* 0.264246951 */, 19 }, + /* 7182 */ { MAD_F(0x043a8e75) /* 0.264296016 */, 19 }, + /* 7183 */ { MAD_F(0x043ac1e9) /* 0.264345084 */, 19 }, + + /* 7184 */ { MAD_F(0x043af55d) /* 0.264394153 */, 19 }, + /* 7185 */ { MAD_F(0x043b28d2) /* 0.264443225 */, 19 }, + /* 7186 */ { MAD_F(0x043b5c47) /* 0.264492300 */, 19 }, + /* 7187 */ { MAD_F(0x043b8fbd) /* 0.264541376 */, 19 }, + /* 7188 */ { MAD_F(0x043bc333) /* 0.264590455 */, 19 }, + /* 7189 */ { MAD_F(0x043bf6aa) /* 0.264639536 */, 19 }, + /* 7190 */ { MAD_F(0x043c2a22) /* 0.264688620 */, 19 }, + /* 7191 */ { MAD_F(0x043c5d9a) /* 0.264737706 */, 19 }, + /* 7192 */ { MAD_F(0x043c9113) /* 0.264786794 */, 19 }, + /* 7193 */ { MAD_F(0x043cc48d) /* 0.264835884 */, 19 }, + /* 7194 */ { MAD_F(0x043cf807) /* 0.264884976 */, 19 }, + /* 7195 */ { MAD_F(0x043d2b82) /* 0.264934071 */, 19 }, + /* 7196 */ { MAD_F(0x043d5efd) /* 0.264983168 */, 19 }, + /* 7197 */ { MAD_F(0x043d9279) /* 0.265032268 */, 19 }, + /* 7198 */ { MAD_F(0x043dc5f6) /* 0.265081369 */, 19 }, + /* 7199 */ { MAD_F(0x043df973) /* 0.265130473 */, 19 }, + + /* 7200 */ { MAD_F(0x043e2cf1) /* 0.265179580 */, 19 }, + /* 7201 */ { MAD_F(0x043e6070) /* 0.265228688 */, 19 }, + /* 7202 */ { MAD_F(0x043e93ef) /* 0.265277799 */, 19 }, + /* 7203 */ { MAD_F(0x043ec76e) /* 0.265326912 */, 19 }, + /* 7204 */ { MAD_F(0x043efaef) /* 0.265376027 */, 19 }, + /* 7205 */ { MAD_F(0x043f2e6f) /* 0.265425145 */, 19 }, + /* 7206 */ { MAD_F(0x043f61f1) /* 0.265474264 */, 19 }, + /* 7207 */ { MAD_F(0x043f9573) /* 0.265523387 */, 19 }, + /* 7208 */ { MAD_F(0x043fc8f6) /* 0.265572511 */, 19 }, + /* 7209 */ { MAD_F(0x043ffc79) /* 0.265621638 */, 19 }, + /* 7210 */ { MAD_F(0x04402ffd) /* 0.265670766 */, 19 }, + /* 7211 */ { MAD_F(0x04406382) /* 0.265719898 */, 19 }, + /* 7212 */ { MAD_F(0x04409707) /* 0.265769031 */, 19 }, + /* 7213 */ { MAD_F(0x0440ca8d) /* 0.265818167 */, 19 }, + /* 7214 */ { MAD_F(0x0440fe13) /* 0.265867305 */, 19 }, + /* 7215 */ { MAD_F(0x0441319a) /* 0.265916445 */, 19 }, + + /* 7216 */ { MAD_F(0x04416522) /* 0.265965588 */, 19 }, + /* 7217 */ { MAD_F(0x044198aa) /* 0.266014732 */, 19 }, + /* 7218 */ { MAD_F(0x0441cc33) /* 0.266063880 */, 19 }, + /* 7219 */ { MAD_F(0x0441ffbc) /* 0.266113029 */, 19 }, + /* 7220 */ { MAD_F(0x04423346) /* 0.266162181 */, 19 }, + /* 7221 */ { MAD_F(0x044266d1) /* 0.266211334 */, 19 }, + /* 7222 */ { MAD_F(0x04429a5c) /* 0.266260491 */, 19 }, + /* 7223 */ { MAD_F(0x0442cde8) /* 0.266309649 */, 19 }, + /* 7224 */ { MAD_F(0x04430174) /* 0.266358810 */, 19 }, + /* 7225 */ { MAD_F(0x04433501) /* 0.266407973 */, 19 }, + /* 7226 */ { MAD_F(0x0443688f) /* 0.266457138 */, 19 }, + /* 7227 */ { MAD_F(0x04439c1d) /* 0.266506305 */, 19 }, + /* 7228 */ { MAD_F(0x0443cfac) /* 0.266555475 */, 19 }, + /* 7229 */ { MAD_F(0x0444033c) /* 0.266604647 */, 19 }, + /* 7230 */ { MAD_F(0x044436cc) /* 0.266653822 */, 19 }, + /* 7231 */ { MAD_F(0x04446a5d) /* 0.266702998 */, 19 }, + + /* 7232 */ { MAD_F(0x04449dee) /* 0.266752177 */, 19 }, + /* 7233 */ { MAD_F(0x0444d180) /* 0.266801358 */, 19 }, + /* 7234 */ { MAD_F(0x04450513) /* 0.266850541 */, 19 }, + /* 7235 */ { MAD_F(0x044538a6) /* 0.266899727 */, 19 }, + /* 7236 */ { MAD_F(0x04456c39) /* 0.266948915 */, 19 }, + /* 7237 */ { MAD_F(0x04459fce) /* 0.266998105 */, 19 }, + /* 7238 */ { MAD_F(0x0445d363) /* 0.267047298 */, 19 }, + /* 7239 */ { MAD_F(0x044606f8) /* 0.267096492 */, 19 }, + /* 7240 */ { MAD_F(0x04463a8f) /* 0.267145689 */, 19 }, + /* 7241 */ { MAD_F(0x04466e25) /* 0.267194888 */, 19 }, + /* 7242 */ { MAD_F(0x0446a1bd) /* 0.267244090 */, 19 }, + /* 7243 */ { MAD_F(0x0446d555) /* 0.267293294 */, 19 }, + /* 7244 */ { MAD_F(0x044708ee) /* 0.267342500 */, 19 }, + /* 7245 */ { MAD_F(0x04473c87) /* 0.267391708 */, 19 }, + /* 7246 */ { MAD_F(0x04477021) /* 0.267440919 */, 19 }, + /* 7247 */ { MAD_F(0x0447a3bb) /* 0.267490131 */, 19 }, + + /* 7248 */ { MAD_F(0x0447d756) /* 0.267539347 */, 19 }, + /* 7249 */ { MAD_F(0x04480af2) /* 0.267588564 */, 19 }, + /* 7250 */ { MAD_F(0x04483e8e) /* 0.267637783 */, 19 }, + /* 7251 */ { MAD_F(0x0448722b) /* 0.267687005 */, 19 }, + /* 7252 */ { MAD_F(0x0448a5c9) /* 0.267736229 */, 19 }, + /* 7253 */ { MAD_F(0x0448d967) /* 0.267785456 */, 19 }, + /* 7254 */ { MAD_F(0x04490d05) /* 0.267834685 */, 19 }, + /* 7255 */ { MAD_F(0x044940a5) /* 0.267883915 */, 19 }, + /* 7256 */ { MAD_F(0x04497445) /* 0.267933149 */, 19 }, + /* 7257 */ { MAD_F(0x0449a7e5) /* 0.267982384 */, 19 }, + /* 7258 */ { MAD_F(0x0449db86) /* 0.268031622 */, 19 }, + /* 7259 */ { MAD_F(0x044a0f28) /* 0.268080862 */, 19 }, + /* 7260 */ { MAD_F(0x044a42ca) /* 0.268130104 */, 19 }, + /* 7261 */ { MAD_F(0x044a766d) /* 0.268179349 */, 19 }, + /* 7262 */ { MAD_F(0x044aaa11) /* 0.268228595 */, 19 }, + /* 7263 */ { MAD_F(0x044addb5) /* 0.268277844 */, 19 }, + + /* 7264 */ { MAD_F(0x044b115a) /* 0.268327096 */, 19 }, + /* 7265 */ { MAD_F(0x044b44ff) /* 0.268376349 */, 19 }, + /* 7266 */ { MAD_F(0x044b78a5) /* 0.268425605 */, 19 }, + /* 7267 */ { MAD_F(0x044bac4c) /* 0.268474863 */, 19 }, + /* 7268 */ { MAD_F(0x044bdff3) /* 0.268524123 */, 19 }, + /* 7269 */ { MAD_F(0x044c139b) /* 0.268573386 */, 19 }, + /* 7270 */ { MAD_F(0x044c4743) /* 0.268622651 */, 19 }, + /* 7271 */ { MAD_F(0x044c7aec) /* 0.268671918 */, 19 }, + /* 7272 */ { MAD_F(0x044cae96) /* 0.268721187 */, 19 }, + /* 7273 */ { MAD_F(0x044ce240) /* 0.268770459 */, 19 }, + /* 7274 */ { MAD_F(0x044d15eb) /* 0.268819733 */, 19 }, + /* 7275 */ { MAD_F(0x044d4997) /* 0.268869009 */, 19 }, + /* 7276 */ { MAD_F(0x044d7d43) /* 0.268918287 */, 19 }, + /* 7277 */ { MAD_F(0x044db0ef) /* 0.268967568 */, 19 }, + /* 7278 */ { MAD_F(0x044de49d) /* 0.269016851 */, 19 }, + /* 7279 */ { MAD_F(0x044e184b) /* 0.269066136 */, 19 }, + + /* 7280 */ { MAD_F(0x044e4bf9) /* 0.269115423 */, 19 }, + /* 7281 */ { MAD_F(0x044e7fa8) /* 0.269164713 */, 19 }, + /* 7282 */ { MAD_F(0x044eb358) /* 0.269214005 */, 19 }, + /* 7283 */ { MAD_F(0x044ee708) /* 0.269263299 */, 19 }, + /* 7284 */ { MAD_F(0x044f1ab9) /* 0.269312595 */, 19 }, + /* 7285 */ { MAD_F(0x044f4e6b) /* 0.269361894 */, 19 }, + /* 7286 */ { MAD_F(0x044f821d) /* 0.269411195 */, 19 }, + /* 7287 */ { MAD_F(0x044fb5cf) /* 0.269460498 */, 19 }, + /* 7288 */ { MAD_F(0x044fe983) /* 0.269509804 */, 19 }, + /* 7289 */ { MAD_F(0x04501d37) /* 0.269559111 */, 19 }, + /* 7290 */ { MAD_F(0x045050eb) /* 0.269608421 */, 19 }, + /* 7291 */ { MAD_F(0x045084a0) /* 0.269657734 */, 19 }, + /* 7292 */ { MAD_F(0x0450b856) /* 0.269707048 */, 19 }, + /* 7293 */ { MAD_F(0x0450ec0d) /* 0.269756365 */, 19 }, + /* 7294 */ { MAD_F(0x04511fc4) /* 0.269805684 */, 19 }, + /* 7295 */ { MAD_F(0x0451537b) /* 0.269855005 */, 19 }, + + /* 7296 */ { MAD_F(0x04518733) /* 0.269904329 */, 19 }, + /* 7297 */ { MAD_F(0x0451baec) /* 0.269953654 */, 19 }, + /* 7298 */ { MAD_F(0x0451eea5) /* 0.270002982 */, 19 }, + /* 7299 */ { MAD_F(0x0452225f) /* 0.270052313 */, 19 }, + /* 7300 */ { MAD_F(0x0452561a) /* 0.270101645 */, 19 }, + /* 7301 */ { MAD_F(0x045289d5) /* 0.270150980 */, 19 }, + /* 7302 */ { MAD_F(0x0452bd91) /* 0.270200317 */, 19 }, + /* 7303 */ { MAD_F(0x0452f14d) /* 0.270249656 */, 19 }, + /* 7304 */ { MAD_F(0x0453250a) /* 0.270298998 */, 19 }, + /* 7305 */ { MAD_F(0x045358c8) /* 0.270348341 */, 19 }, + /* 7306 */ { MAD_F(0x04538c86) /* 0.270397687 */, 19 }, + /* 7307 */ { MAD_F(0x0453c045) /* 0.270447036 */, 19 }, + /* 7308 */ { MAD_F(0x0453f405) /* 0.270496386 */, 19 }, + /* 7309 */ { MAD_F(0x045427c5) /* 0.270545739 */, 19 }, + /* 7310 */ { MAD_F(0x04545b85) /* 0.270595094 */, 19 }, + /* 7311 */ { MAD_F(0x04548f46) /* 0.270644451 */, 19 }, + + /* 7312 */ { MAD_F(0x0454c308) /* 0.270693811 */, 19 }, + /* 7313 */ { MAD_F(0x0454f6cb) /* 0.270743173 */, 19 }, + /* 7314 */ { MAD_F(0x04552a8e) /* 0.270792537 */, 19 }, + /* 7315 */ { MAD_F(0x04555e51) /* 0.270841903 */, 19 }, + /* 7316 */ { MAD_F(0x04559216) /* 0.270891271 */, 19 }, + /* 7317 */ { MAD_F(0x0455c5db) /* 0.270940642 */, 19 }, + /* 7318 */ { MAD_F(0x0455f9a0) /* 0.270990015 */, 19 }, + /* 7319 */ { MAD_F(0x04562d66) /* 0.271039390 */, 19 }, + /* 7320 */ { MAD_F(0x0456612d) /* 0.271088768 */, 19 }, + /* 7321 */ { MAD_F(0x045694f4) /* 0.271138148 */, 19 }, + /* 7322 */ { MAD_F(0x0456c8bc) /* 0.271187530 */, 19 }, + /* 7323 */ { MAD_F(0x0456fc84) /* 0.271236914 */, 19 }, + /* 7324 */ { MAD_F(0x0457304e) /* 0.271286301 */, 19 }, + /* 7325 */ { MAD_F(0x04576417) /* 0.271335689 */, 19 }, + /* 7326 */ { MAD_F(0x045797e2) /* 0.271385080 */, 19 }, + /* 7327 */ { MAD_F(0x0457cbac) /* 0.271434474 */, 19 }, + + /* 7328 */ { MAD_F(0x0457ff78) /* 0.271483869 */, 19 }, + /* 7329 */ { MAD_F(0x04583344) /* 0.271533267 */, 19 }, + /* 7330 */ { MAD_F(0x04586711) /* 0.271582667 */, 19 }, + /* 7331 */ { MAD_F(0x04589ade) /* 0.271632069 */, 19 }, + /* 7332 */ { MAD_F(0x0458ceac) /* 0.271681474 */, 19 }, + /* 7333 */ { MAD_F(0x0459027b) /* 0.271730880 */, 19 }, + /* 7334 */ { MAD_F(0x0459364a) /* 0.271780289 */, 19 }, + /* 7335 */ { MAD_F(0x04596a19) /* 0.271829701 */, 19 }, + /* 7336 */ { MAD_F(0x04599dea) /* 0.271879114 */, 19 }, + /* 7337 */ { MAD_F(0x0459d1bb) /* 0.271928530 */, 19 }, + /* 7338 */ { MAD_F(0x045a058c) /* 0.271977948 */, 19 }, + /* 7339 */ { MAD_F(0x045a395e) /* 0.272027368 */, 19 }, + /* 7340 */ { MAD_F(0x045a6d31) /* 0.272076790 */, 19 }, + /* 7341 */ { MAD_F(0x045aa104) /* 0.272126215 */, 19 }, + /* 7342 */ { MAD_F(0x045ad4d8) /* 0.272175642 */, 19 }, + /* 7343 */ { MAD_F(0x045b08ad) /* 0.272225071 */, 19 }, + + /* 7344 */ { MAD_F(0x045b3c82) /* 0.272274503 */, 19 }, + /* 7345 */ { MAD_F(0x045b7058) /* 0.272323936 */, 19 }, + /* 7346 */ { MAD_F(0x045ba42e) /* 0.272373372 */, 19 }, + /* 7347 */ { MAD_F(0x045bd805) /* 0.272422810 */, 19 }, + /* 7348 */ { MAD_F(0x045c0bdd) /* 0.272472251 */, 19 }, + /* 7349 */ { MAD_F(0x045c3fb5) /* 0.272521693 */, 19 }, + /* 7350 */ { MAD_F(0x045c738e) /* 0.272571138 */, 19 }, + /* 7351 */ { MAD_F(0x045ca767) /* 0.272620585 */, 19 }, + /* 7352 */ { MAD_F(0x045cdb41) /* 0.272670035 */, 19 }, + /* 7353 */ { MAD_F(0x045d0f1b) /* 0.272719486 */, 19 }, + /* 7354 */ { MAD_F(0x045d42f7) /* 0.272768940 */, 19 }, + /* 7355 */ { MAD_F(0x045d76d2) /* 0.272818396 */, 19 }, + /* 7356 */ { MAD_F(0x045daaaf) /* 0.272867855 */, 19 }, + /* 7357 */ { MAD_F(0x045dde8c) /* 0.272917315 */, 19 }, + /* 7358 */ { MAD_F(0x045e1269) /* 0.272966778 */, 19 }, + /* 7359 */ { MAD_F(0x045e4647) /* 0.273016243 */, 19 }, + + /* 7360 */ { MAD_F(0x045e7a26) /* 0.273065710 */, 19 }, + /* 7361 */ { MAD_F(0x045eae06) /* 0.273115180 */, 19 }, + /* 7362 */ { MAD_F(0x045ee1e6) /* 0.273164652 */, 19 }, + /* 7363 */ { MAD_F(0x045f15c6) /* 0.273214126 */, 19 }, + /* 7364 */ { MAD_F(0x045f49a7) /* 0.273263602 */, 19 }, + /* 7365 */ { MAD_F(0x045f7d89) /* 0.273313081 */, 19 }, + /* 7366 */ { MAD_F(0x045fb16c) /* 0.273362561 */, 19 }, + /* 7367 */ { MAD_F(0x045fe54f) /* 0.273412044 */, 19 }, + /* 7368 */ { MAD_F(0x04601932) /* 0.273461530 */, 19 }, + /* 7369 */ { MAD_F(0x04604d16) /* 0.273511017 */, 19 }, + /* 7370 */ { MAD_F(0x046080fb) /* 0.273560507 */, 19 }, + /* 7371 */ { MAD_F(0x0460b4e1) /* 0.273609999 */, 19 }, + /* 7372 */ { MAD_F(0x0460e8c7) /* 0.273659493 */, 19 }, + /* 7373 */ { MAD_F(0x04611cad) /* 0.273708989 */, 19 }, + /* 7374 */ { MAD_F(0x04615094) /* 0.273758488 */, 19 }, + /* 7375 */ { MAD_F(0x0461847c) /* 0.273807989 */, 19 }, + + /* 7376 */ { MAD_F(0x0461b864) /* 0.273857492 */, 19 }, + /* 7377 */ { MAD_F(0x0461ec4d) /* 0.273906997 */, 19 }, + /* 7378 */ { MAD_F(0x04622037) /* 0.273956505 */, 19 }, + /* 7379 */ { MAD_F(0x04625421) /* 0.274006015 */, 19 }, + /* 7380 */ { MAD_F(0x0462880c) /* 0.274055527 */, 19 }, + /* 7381 */ { MAD_F(0x0462bbf7) /* 0.274105041 */, 19 }, + /* 7382 */ { MAD_F(0x0462efe3) /* 0.274154558 */, 19 }, + /* 7383 */ { MAD_F(0x046323d0) /* 0.274204076 */, 19 }, + /* 7384 */ { MAD_F(0x046357bd) /* 0.274253597 */, 19 }, + /* 7385 */ { MAD_F(0x04638bab) /* 0.274303121 */, 19 }, + /* 7386 */ { MAD_F(0x0463bf99) /* 0.274352646 */, 19 }, + /* 7387 */ { MAD_F(0x0463f388) /* 0.274402174 */, 19 }, + /* 7388 */ { MAD_F(0x04642778) /* 0.274451704 */, 19 }, + /* 7389 */ { MAD_F(0x04645b68) /* 0.274501236 */, 19 }, + /* 7390 */ { MAD_F(0x04648f59) /* 0.274550771 */, 19 }, + /* 7391 */ { MAD_F(0x0464c34a) /* 0.274600307 */, 19 }, + + /* 7392 */ { MAD_F(0x0464f73c) /* 0.274649846 */, 19 }, + /* 7393 */ { MAD_F(0x04652b2f) /* 0.274699387 */, 19 }, + /* 7394 */ { MAD_F(0x04655f22) /* 0.274748931 */, 19 }, + /* 7395 */ { MAD_F(0x04659316) /* 0.274798476 */, 19 }, + /* 7396 */ { MAD_F(0x0465c70a) /* 0.274848024 */, 19 }, + /* 7397 */ { MAD_F(0x0465faff) /* 0.274897574 */, 19 }, + /* 7398 */ { MAD_F(0x04662ef5) /* 0.274947126 */, 19 }, + /* 7399 */ { MAD_F(0x046662eb) /* 0.274996681 */, 19 }, + /* 7400 */ { MAD_F(0x046696e2) /* 0.275046238 */, 19 }, + /* 7401 */ { MAD_F(0x0466cad9) /* 0.275095797 */, 19 }, + /* 7402 */ { MAD_F(0x0466fed1) /* 0.275145358 */, 19 }, + /* 7403 */ { MAD_F(0x046732ca) /* 0.275194921 */, 19 }, + /* 7404 */ { MAD_F(0x046766c3) /* 0.275244487 */, 19 }, + /* 7405 */ { MAD_F(0x04679abd) /* 0.275294055 */, 19 }, + /* 7406 */ { MAD_F(0x0467ceb7) /* 0.275343625 */, 19 }, + /* 7407 */ { MAD_F(0x046802b2) /* 0.275393198 */, 19 }, + + /* 7408 */ { MAD_F(0x046836ae) /* 0.275442772 */, 19 }, + /* 7409 */ { MAD_F(0x04686aaa) /* 0.275492349 */, 19 }, + /* 7410 */ { MAD_F(0x04689ea7) /* 0.275541928 */, 19 }, + /* 7411 */ { MAD_F(0x0468d2a4) /* 0.275591509 */, 19 }, + /* 7412 */ { MAD_F(0x046906a2) /* 0.275641093 */, 19 }, + /* 7413 */ { MAD_F(0x04693aa1) /* 0.275690679 */, 19 }, + /* 7414 */ { MAD_F(0x04696ea0) /* 0.275740267 */, 19 }, + /* 7415 */ { MAD_F(0x0469a2a0) /* 0.275789857 */, 19 }, + /* 7416 */ { MAD_F(0x0469d6a0) /* 0.275839449 */, 19 }, + /* 7417 */ { MAD_F(0x046a0aa1) /* 0.275889044 */, 19 }, + /* 7418 */ { MAD_F(0x046a3ea3) /* 0.275938641 */, 19 }, + /* 7419 */ { MAD_F(0x046a72a5) /* 0.275988240 */, 19 }, + /* 7420 */ { MAD_F(0x046aa6a8) /* 0.276037842 */, 19 }, + /* 7421 */ { MAD_F(0x046adaab) /* 0.276087445 */, 19 }, + /* 7422 */ { MAD_F(0x046b0eaf) /* 0.276137051 */, 19 }, + /* 7423 */ { MAD_F(0x046b42b3) /* 0.276186659 */, 19 }, + + /* 7424 */ { MAD_F(0x046b76b9) /* 0.276236269 */, 19 }, + /* 7425 */ { MAD_F(0x046baabe) /* 0.276285882 */, 19 }, + /* 7426 */ { MAD_F(0x046bdec5) /* 0.276335497 */, 19 }, + /* 7427 */ { MAD_F(0x046c12cc) /* 0.276385113 */, 19 }, + /* 7428 */ { MAD_F(0x046c46d3) /* 0.276434733 */, 19 }, + /* 7429 */ { MAD_F(0x046c7adb) /* 0.276484354 */, 19 }, + /* 7430 */ { MAD_F(0x046caee4) /* 0.276533978 */, 19 }, + /* 7431 */ { MAD_F(0x046ce2ee) /* 0.276583604 */, 19 }, + /* 7432 */ { MAD_F(0x046d16f7) /* 0.276633232 */, 19 }, + /* 7433 */ { MAD_F(0x046d4b02) /* 0.276682862 */, 19 }, + /* 7434 */ { MAD_F(0x046d7f0d) /* 0.276732495 */, 19 }, + /* 7435 */ { MAD_F(0x046db319) /* 0.276782129 */, 19 }, + /* 7436 */ { MAD_F(0x046de725) /* 0.276831766 */, 19 }, + /* 7437 */ { MAD_F(0x046e1b32) /* 0.276881406 */, 19 }, + /* 7438 */ { MAD_F(0x046e4f40) /* 0.276931047 */, 19 }, + /* 7439 */ { MAD_F(0x046e834e) /* 0.276980691 */, 19 }, + + /* 7440 */ { MAD_F(0x046eb75c) /* 0.277030337 */, 19 }, + /* 7441 */ { MAD_F(0x046eeb6c) /* 0.277079985 */, 19 }, + /* 7442 */ { MAD_F(0x046f1f7c) /* 0.277129635 */, 19 }, + /* 7443 */ { MAD_F(0x046f538c) /* 0.277179288 */, 19 }, + /* 7444 */ { MAD_F(0x046f879d) /* 0.277228942 */, 19 }, + /* 7445 */ { MAD_F(0x046fbbaf) /* 0.277278600 */, 19 }, + /* 7446 */ { MAD_F(0x046fefc1) /* 0.277328259 */, 19 }, + /* 7447 */ { MAD_F(0x047023d4) /* 0.277377920 */, 19 }, + /* 7448 */ { MAD_F(0x047057e8) /* 0.277427584 */, 19 }, + /* 7449 */ { MAD_F(0x04708bfc) /* 0.277477250 */, 19 }, + /* 7450 */ { MAD_F(0x0470c011) /* 0.277526918 */, 19 }, + /* 7451 */ { MAD_F(0x0470f426) /* 0.277576588 */, 19 }, + /* 7452 */ { MAD_F(0x0471283c) /* 0.277626261 */, 19 }, + /* 7453 */ { MAD_F(0x04715c52) /* 0.277675936 */, 19 }, + /* 7454 */ { MAD_F(0x04719069) /* 0.277725613 */, 19 }, + /* 7455 */ { MAD_F(0x0471c481) /* 0.277775292 */, 19 }, + + /* 7456 */ { MAD_F(0x0471f899) /* 0.277824973 */, 19 }, + /* 7457 */ { MAD_F(0x04722cb2) /* 0.277874657 */, 19 }, + /* 7458 */ { MAD_F(0x047260cc) /* 0.277924343 */, 19 }, + /* 7459 */ { MAD_F(0x047294e6) /* 0.277974031 */, 19 }, + /* 7460 */ { MAD_F(0x0472c900) /* 0.278023722 */, 19 }, + /* 7461 */ { MAD_F(0x0472fd1b) /* 0.278073414 */, 19 }, + /* 7462 */ { MAD_F(0x04733137) /* 0.278123109 */, 19 }, + /* 7463 */ { MAD_F(0x04736554) /* 0.278172806 */, 19 }, + /* 7464 */ { MAD_F(0x04739971) /* 0.278222505 */, 19 }, + /* 7465 */ { MAD_F(0x0473cd8e) /* 0.278272207 */, 19 }, + /* 7466 */ { MAD_F(0x047401ad) /* 0.278321910 */, 19 }, + /* 7467 */ { MAD_F(0x047435cb) /* 0.278371616 */, 19 }, + /* 7468 */ { MAD_F(0x047469eb) /* 0.278421324 */, 19 }, + /* 7469 */ { MAD_F(0x04749e0b) /* 0.278471035 */, 19 }, + /* 7470 */ { MAD_F(0x0474d22c) /* 0.278520747 */, 19 }, + /* 7471 */ { MAD_F(0x0475064d) /* 0.278570462 */, 19 }, + + /* 7472 */ { MAD_F(0x04753a6f) /* 0.278620179 */, 19 }, + /* 7473 */ { MAD_F(0x04756e91) /* 0.278669898 */, 19 }, + /* 7474 */ { MAD_F(0x0475a2b4) /* 0.278719619 */, 19 }, + /* 7475 */ { MAD_F(0x0475d6d7) /* 0.278769343 */, 19 }, + /* 7476 */ { MAD_F(0x04760afc) /* 0.278819069 */, 19 }, + /* 7477 */ { MAD_F(0x04763f20) /* 0.278868797 */, 19 }, + /* 7478 */ { MAD_F(0x04767346) /* 0.278918527 */, 19 }, + /* 7479 */ { MAD_F(0x0476a76c) /* 0.278968260 */, 19 }, + /* 7480 */ { MAD_F(0x0476db92) /* 0.279017995 */, 19 }, + /* 7481 */ { MAD_F(0x04770fba) /* 0.279067731 */, 19 }, + /* 7482 */ { MAD_F(0x047743e1) /* 0.279117471 */, 19 }, + /* 7483 */ { MAD_F(0x0477780a) /* 0.279167212 */, 19 }, + /* 7484 */ { MAD_F(0x0477ac33) /* 0.279216956 */, 19 }, + /* 7485 */ { MAD_F(0x0477e05c) /* 0.279266701 */, 19 }, + /* 7486 */ { MAD_F(0x04781486) /* 0.279316449 */, 19 }, + /* 7487 */ { MAD_F(0x047848b1) /* 0.279366200 */, 19 }, + + /* 7488 */ { MAD_F(0x04787cdc) /* 0.279415952 */, 19 }, + /* 7489 */ { MAD_F(0x0478b108) /* 0.279465707 */, 19 }, + /* 7490 */ { MAD_F(0x0478e535) /* 0.279515464 */, 19 }, + /* 7491 */ { MAD_F(0x04791962) /* 0.279565223 */, 19 }, + /* 7492 */ { MAD_F(0x04794d8f) /* 0.279614984 */, 19 }, + /* 7493 */ { MAD_F(0x047981be) /* 0.279664748 */, 19 }, + /* 7494 */ { MAD_F(0x0479b5ed) /* 0.279714513 */, 19 }, + /* 7495 */ { MAD_F(0x0479ea1c) /* 0.279764281 */, 19 }, + /* 7496 */ { MAD_F(0x047a1e4c) /* 0.279814051 */, 19 }, + /* 7497 */ { MAD_F(0x047a527d) /* 0.279863824 */, 19 }, + /* 7498 */ { MAD_F(0x047a86ae) /* 0.279913598 */, 19 }, + /* 7499 */ { MAD_F(0x047abae0) /* 0.279963375 */, 19 }, + /* 7500 */ { MAD_F(0x047aef12) /* 0.280013154 */, 19 }, + /* 7501 */ { MAD_F(0x047b2346) /* 0.280062935 */, 19 }, + /* 7502 */ { MAD_F(0x047b5779) /* 0.280112719 */, 19 }, + /* 7503 */ { MAD_F(0x047b8bad) /* 0.280162504 */, 19 }, + + /* 7504 */ { MAD_F(0x047bbfe2) /* 0.280212292 */, 19 }, + /* 7505 */ { MAD_F(0x047bf418) /* 0.280262082 */, 19 }, + /* 7506 */ { MAD_F(0x047c284e) /* 0.280311875 */, 19 }, + /* 7507 */ { MAD_F(0x047c5c84) /* 0.280361669 */, 19 }, + /* 7508 */ { MAD_F(0x047c90bb) /* 0.280411466 */, 19 }, + /* 7509 */ { MAD_F(0x047cc4f3) /* 0.280461265 */, 19 }, + /* 7510 */ { MAD_F(0x047cf92c) /* 0.280511066 */, 19 }, + /* 7511 */ { MAD_F(0x047d2d65) /* 0.280560869 */, 19 }, + /* 7512 */ { MAD_F(0x047d619e) /* 0.280610675 */, 19 }, + /* 7513 */ { MAD_F(0x047d95d8) /* 0.280660483 */, 19 }, + /* 7514 */ { MAD_F(0x047dca13) /* 0.280710292 */, 19 }, + /* 7515 */ { MAD_F(0x047dfe4e) /* 0.280760105 */, 19 }, + /* 7516 */ { MAD_F(0x047e328a) /* 0.280809919 */, 19 }, + /* 7517 */ { MAD_F(0x047e66c7) /* 0.280859736 */, 19 }, + /* 7518 */ { MAD_F(0x047e9b04) /* 0.280909554 */, 19 }, + /* 7519 */ { MAD_F(0x047ecf42) /* 0.280959375 */, 19 }, + + /* 7520 */ { MAD_F(0x047f0380) /* 0.281009199 */, 19 }, + /* 7521 */ { MAD_F(0x047f37bf) /* 0.281059024 */, 19 }, + /* 7522 */ { MAD_F(0x047f6bff) /* 0.281108852 */, 19 }, + /* 7523 */ { MAD_F(0x047fa03f) /* 0.281158682 */, 19 }, + /* 7524 */ { MAD_F(0x047fd47f) /* 0.281208514 */, 19 }, + /* 7525 */ { MAD_F(0x048008c1) /* 0.281258348 */, 19 }, + /* 7526 */ { MAD_F(0x04803d02) /* 0.281308184 */, 19 }, + /* 7527 */ { MAD_F(0x04807145) /* 0.281358023 */, 19 }, + /* 7528 */ { MAD_F(0x0480a588) /* 0.281407864 */, 19 }, + /* 7529 */ { MAD_F(0x0480d9cc) /* 0.281457707 */, 19 }, + /* 7530 */ { MAD_F(0x04810e10) /* 0.281507552 */, 19 }, + /* 7531 */ { MAD_F(0x04814255) /* 0.281557400 */, 19 }, + /* 7532 */ { MAD_F(0x0481769a) /* 0.281607250 */, 19 }, + /* 7533 */ { MAD_F(0x0481aae0) /* 0.281657101 */, 19 }, + /* 7534 */ { MAD_F(0x0481df27) /* 0.281706956 */, 19 }, + /* 7535 */ { MAD_F(0x0482136e) /* 0.281756812 */, 19 }, + + /* 7536 */ { MAD_F(0x048247b6) /* 0.281806670 */, 19 }, + /* 7537 */ { MAD_F(0x04827bfe) /* 0.281856531 */, 19 }, + /* 7538 */ { MAD_F(0x0482b047) /* 0.281906394 */, 19 }, + /* 7539 */ { MAD_F(0x0482e491) /* 0.281956259 */, 19 }, + /* 7540 */ { MAD_F(0x048318db) /* 0.282006127 */, 19 }, + /* 7541 */ { MAD_F(0x04834d26) /* 0.282055996 */, 19 }, + /* 7542 */ { MAD_F(0x04838171) /* 0.282105868 */, 19 }, + /* 7543 */ { MAD_F(0x0483b5bd) /* 0.282155742 */, 19 }, + /* 7544 */ { MAD_F(0x0483ea0a) /* 0.282205618 */, 19 }, + /* 7545 */ { MAD_F(0x04841e57) /* 0.282255496 */, 19 }, + /* 7546 */ { MAD_F(0x048452a4) /* 0.282305377 */, 19 }, + /* 7547 */ { MAD_F(0x048486f3) /* 0.282355260 */, 19 }, + /* 7548 */ { MAD_F(0x0484bb42) /* 0.282405145 */, 19 }, + /* 7549 */ { MAD_F(0x0484ef91) /* 0.282455032 */, 19 }, + /* 7550 */ { MAD_F(0x048523e1) /* 0.282504921 */, 19 }, + /* 7551 */ { MAD_F(0x04855832) /* 0.282554813 */, 19 }, + + /* 7552 */ { MAD_F(0x04858c83) /* 0.282604707 */, 19 }, + /* 7553 */ { MAD_F(0x0485c0d5) /* 0.282654603 */, 19 }, + /* 7554 */ { MAD_F(0x0485f527) /* 0.282704501 */, 19 }, + /* 7555 */ { MAD_F(0x0486297a) /* 0.282754401 */, 19 }, + /* 7556 */ { MAD_F(0x04865dce) /* 0.282804304 */, 19 }, + /* 7557 */ { MAD_F(0x04869222) /* 0.282854209 */, 19 }, + /* 7558 */ { MAD_F(0x0486c677) /* 0.282904116 */, 19 }, + /* 7559 */ { MAD_F(0x0486facc) /* 0.282954025 */, 19 }, + /* 7560 */ { MAD_F(0x04872f22) /* 0.283003936 */, 19 }, + /* 7561 */ { MAD_F(0x04876379) /* 0.283053850 */, 19 }, + /* 7562 */ { MAD_F(0x048797d0) /* 0.283103766 */, 19 }, + /* 7563 */ { MAD_F(0x0487cc28) /* 0.283153684 */, 19 }, + /* 7564 */ { MAD_F(0x04880080) /* 0.283203604 */, 19 }, + /* 7565 */ { MAD_F(0x048834d9) /* 0.283253527 */, 19 }, + /* 7566 */ { MAD_F(0x04886933) /* 0.283303451 */, 19 }, + /* 7567 */ { MAD_F(0x04889d8d) /* 0.283353378 */, 19 }, + + /* 7568 */ { MAD_F(0x0488d1e8) /* 0.283403307 */, 19 }, + /* 7569 */ { MAD_F(0x04890643) /* 0.283453238 */, 19 }, + /* 7570 */ { MAD_F(0x04893a9f) /* 0.283503172 */, 19 }, + /* 7571 */ { MAD_F(0x04896efb) /* 0.283553107 */, 19 }, + /* 7572 */ { MAD_F(0x0489a358) /* 0.283603045 */, 19 }, + /* 7573 */ { MAD_F(0x0489d7b6) /* 0.283652985 */, 19 }, + /* 7574 */ { MAD_F(0x048a0c14) /* 0.283702927 */, 19 }, + /* 7575 */ { MAD_F(0x048a4073) /* 0.283752872 */, 19 }, + /* 7576 */ { MAD_F(0x048a74d3) /* 0.283802818 */, 19 }, + /* 7577 */ { MAD_F(0x048aa933) /* 0.283852767 */, 19 }, + /* 7578 */ { MAD_F(0x048add93) /* 0.283902718 */, 19 }, + /* 7579 */ { MAD_F(0x048b11f5) /* 0.283952671 */, 19 }, + /* 7580 */ { MAD_F(0x048b4656) /* 0.284002627 */, 19 }, + /* 7581 */ { MAD_F(0x048b7ab9) /* 0.284052584 */, 19 }, + /* 7582 */ { MAD_F(0x048baf1c) /* 0.284102544 */, 19 }, + /* 7583 */ { MAD_F(0x048be37f) /* 0.284152506 */, 19 }, + + /* 7584 */ { MAD_F(0x048c17e3) /* 0.284202470 */, 19 }, + /* 7585 */ { MAD_F(0x048c4c48) /* 0.284252436 */, 19 }, + /* 7586 */ { MAD_F(0x048c80ad) /* 0.284302405 */, 19 }, + /* 7587 */ { MAD_F(0x048cb513) /* 0.284352376 */, 19 }, + /* 7588 */ { MAD_F(0x048ce97a) /* 0.284402349 */, 19 }, + /* 7589 */ { MAD_F(0x048d1de1) /* 0.284452324 */, 19 }, + /* 7590 */ { MAD_F(0x048d5249) /* 0.284502301 */, 19 }, + /* 7591 */ { MAD_F(0x048d86b1) /* 0.284552281 */, 19 }, + /* 7592 */ { MAD_F(0x048dbb1a) /* 0.284602263 */, 19 }, + /* 7593 */ { MAD_F(0x048def83) /* 0.284652246 */, 19 }, + /* 7594 */ { MAD_F(0x048e23ed) /* 0.284702233 */, 19 }, + /* 7595 */ { MAD_F(0x048e5858) /* 0.284752221 */, 19 }, + /* 7596 */ { MAD_F(0x048e8cc3) /* 0.284802211 */, 19 }, + /* 7597 */ { MAD_F(0x048ec12f) /* 0.284852204 */, 19 }, + /* 7598 */ { MAD_F(0x048ef59b) /* 0.284902199 */, 19 }, + /* 7599 */ { MAD_F(0x048f2a08) /* 0.284952196 */, 19 }, + + /* 7600 */ { MAD_F(0x048f5e76) /* 0.285002195 */, 19 }, + /* 7601 */ { MAD_F(0x048f92e4) /* 0.285052197 */, 19 }, + /* 7602 */ { MAD_F(0x048fc753) /* 0.285102201 */, 19 }, + /* 7603 */ { MAD_F(0x048ffbc2) /* 0.285152206 */, 19 }, + /* 7604 */ { MAD_F(0x04903032) /* 0.285202214 */, 19 }, + /* 7605 */ { MAD_F(0x049064a3) /* 0.285252225 */, 19 }, + /* 7606 */ { MAD_F(0x04909914) /* 0.285302237 */, 19 }, + /* 7607 */ { MAD_F(0x0490cd86) /* 0.285352252 */, 19 }, + /* 7608 */ { MAD_F(0x049101f8) /* 0.285402269 */, 19 }, + /* 7609 */ { MAD_F(0x0491366b) /* 0.285452288 */, 19 }, + /* 7610 */ { MAD_F(0x04916ade) /* 0.285502309 */, 19 }, + /* 7611 */ { MAD_F(0x04919f52) /* 0.285552332 */, 19 }, + /* 7612 */ { MAD_F(0x0491d3c7) /* 0.285602358 */, 19 }, + /* 7613 */ { MAD_F(0x0492083c) /* 0.285652386 */, 19 }, + /* 7614 */ { MAD_F(0x04923cb2) /* 0.285702416 */, 19 }, + /* 7615 */ { MAD_F(0x04927128) /* 0.285752448 */, 19 }, + + /* 7616 */ { MAD_F(0x0492a59f) /* 0.285802482 */, 19 }, + /* 7617 */ { MAD_F(0x0492da17) /* 0.285852519 */, 19 }, + /* 7618 */ { MAD_F(0x04930e8f) /* 0.285902557 */, 19 }, + /* 7619 */ { MAD_F(0x04934308) /* 0.285952598 */, 19 }, + /* 7620 */ { MAD_F(0x04937781) /* 0.286002641 */, 19 }, + /* 7621 */ { MAD_F(0x0493abfb) /* 0.286052687 */, 19 }, + /* 7622 */ { MAD_F(0x0493e076) /* 0.286102734 */, 19 }, + /* 7623 */ { MAD_F(0x049414f1) /* 0.286152784 */, 19 }, + /* 7624 */ { MAD_F(0x0494496c) /* 0.286202836 */, 19 }, + /* 7625 */ { MAD_F(0x04947de9) /* 0.286252890 */, 19 }, + /* 7626 */ { MAD_F(0x0494b266) /* 0.286302946 */, 19 }, + /* 7627 */ { MAD_F(0x0494e6e3) /* 0.286353005 */, 19 }, + /* 7628 */ { MAD_F(0x04951b61) /* 0.286403065 */, 19 }, + /* 7629 */ { MAD_F(0x04954fe0) /* 0.286453128 */, 19 }, + /* 7630 */ { MAD_F(0x0495845f) /* 0.286503193 */, 19 }, + /* 7631 */ { MAD_F(0x0495b8df) /* 0.286553260 */, 19 }, + + /* 7632 */ { MAD_F(0x0495ed5f) /* 0.286603329 */, 19 }, + /* 7633 */ { MAD_F(0x049621e0) /* 0.286653401 */, 19 }, + /* 7634 */ { MAD_F(0x04965662) /* 0.286703475 */, 19 }, + /* 7635 */ { MAD_F(0x04968ae4) /* 0.286753551 */, 19 }, + /* 7636 */ { MAD_F(0x0496bf67) /* 0.286803629 */, 19 }, + /* 7637 */ { MAD_F(0x0496f3ea) /* 0.286853709 */, 19 }, + /* 7638 */ { MAD_F(0x0497286e) /* 0.286903792 */, 19 }, + /* 7639 */ { MAD_F(0x04975cf2) /* 0.286953876 */, 19 }, + /* 7640 */ { MAD_F(0x04979177) /* 0.287003963 */, 19 }, + /* 7641 */ { MAD_F(0x0497c5fd) /* 0.287054052 */, 19 }, + /* 7642 */ { MAD_F(0x0497fa83) /* 0.287104143 */, 19 }, + /* 7643 */ { MAD_F(0x04982f0a) /* 0.287154237 */, 19 }, + /* 7644 */ { MAD_F(0x04986392) /* 0.287204332 */, 19 }, + /* 7645 */ { MAD_F(0x0498981a) /* 0.287254430 */, 19 }, + /* 7646 */ { MAD_F(0x0498cca2) /* 0.287304530 */, 19 }, + /* 7647 */ { MAD_F(0x0499012c) /* 0.287354632 */, 19 }, + + /* 7648 */ { MAD_F(0x049935b5) /* 0.287404737 */, 19 }, + /* 7649 */ { MAD_F(0x04996a40) /* 0.287454843 */, 19 }, + /* 7650 */ { MAD_F(0x04999ecb) /* 0.287504952 */, 19 }, + /* 7651 */ { MAD_F(0x0499d356) /* 0.287555063 */, 19 }, + /* 7652 */ { MAD_F(0x049a07e2) /* 0.287605176 */, 19 }, + /* 7653 */ { MAD_F(0x049a3c6f) /* 0.287655291 */, 19 }, + /* 7654 */ { MAD_F(0x049a70fc) /* 0.287705409 */, 19 }, + /* 7655 */ { MAD_F(0x049aa58a) /* 0.287755528 */, 19 }, + /* 7656 */ { MAD_F(0x049ada19) /* 0.287805650 */, 19 }, + /* 7657 */ { MAD_F(0x049b0ea8) /* 0.287855774 */, 19 }, + /* 7658 */ { MAD_F(0x049b4337) /* 0.287905900 */, 19 }, + /* 7659 */ { MAD_F(0x049b77c8) /* 0.287956028 */, 19 }, + /* 7660 */ { MAD_F(0x049bac58) /* 0.288006159 */, 19 }, + /* 7661 */ { MAD_F(0x049be0ea) /* 0.288056292 */, 19 }, + /* 7662 */ { MAD_F(0x049c157c) /* 0.288106427 */, 19 }, + /* 7663 */ { MAD_F(0x049c4a0e) /* 0.288156564 */, 19 }, + + /* 7664 */ { MAD_F(0x049c7ea1) /* 0.288206703 */, 19 }, + /* 7665 */ { MAD_F(0x049cb335) /* 0.288256844 */, 19 }, + /* 7666 */ { MAD_F(0x049ce7ca) /* 0.288306988 */, 19 }, + /* 7667 */ { MAD_F(0x049d1c5e) /* 0.288357134 */, 19 }, + /* 7668 */ { MAD_F(0x049d50f4) /* 0.288407282 */, 19 }, + /* 7669 */ { MAD_F(0x049d858a) /* 0.288457432 */, 19 }, + /* 7670 */ { MAD_F(0x049dba21) /* 0.288507584 */, 19 }, + /* 7671 */ { MAD_F(0x049deeb8) /* 0.288557739 */, 19 }, + /* 7672 */ { MAD_F(0x049e2350) /* 0.288607895 */, 19 }, + /* 7673 */ { MAD_F(0x049e57e8) /* 0.288658054 */, 19 }, + /* 7674 */ { MAD_F(0x049e8c81) /* 0.288708215 */, 19 }, + /* 7675 */ { MAD_F(0x049ec11b) /* 0.288758379 */, 19 }, + /* 7676 */ { MAD_F(0x049ef5b5) /* 0.288808544 */, 19 }, + /* 7677 */ { MAD_F(0x049f2a50) /* 0.288858712 */, 19 }, + /* 7678 */ { MAD_F(0x049f5eeb) /* 0.288908881 */, 19 }, + /* 7679 */ { MAD_F(0x049f9387) /* 0.288959053 */, 19 }, + + /* 7680 */ { MAD_F(0x049fc824) /* 0.289009227 */, 19 }, + /* 7681 */ { MAD_F(0x049ffcc1) /* 0.289059404 */, 19 }, + /* 7682 */ { MAD_F(0x04a0315e) /* 0.289109582 */, 19 }, + /* 7683 */ { MAD_F(0x04a065fd) /* 0.289159763 */, 19 }, + /* 7684 */ { MAD_F(0x04a09a9b) /* 0.289209946 */, 19 }, + /* 7685 */ { MAD_F(0x04a0cf3b) /* 0.289260131 */, 19 }, + /* 7686 */ { MAD_F(0x04a103db) /* 0.289310318 */, 19 }, + /* 7687 */ { MAD_F(0x04a1387b) /* 0.289360507 */, 19 }, + /* 7688 */ { MAD_F(0x04a16d1d) /* 0.289410699 */, 19 }, + /* 7689 */ { MAD_F(0x04a1a1be) /* 0.289460893 */, 19 }, + /* 7690 */ { MAD_F(0x04a1d661) /* 0.289511088 */, 19 }, + /* 7691 */ { MAD_F(0x04a20b04) /* 0.289561287 */, 19 }, + /* 7692 */ { MAD_F(0x04a23fa7) /* 0.289611487 */, 19 }, + /* 7693 */ { MAD_F(0x04a2744b) /* 0.289661689 */, 19 }, + /* 7694 */ { MAD_F(0x04a2a8f0) /* 0.289711894 */, 19 }, + /* 7695 */ { MAD_F(0x04a2dd95) /* 0.289762101 */, 19 }, + + /* 7696 */ { MAD_F(0x04a3123b) /* 0.289812309 */, 19 }, + /* 7697 */ { MAD_F(0x04a346e2) /* 0.289862521 */, 19 }, + /* 7698 */ { MAD_F(0x04a37b89) /* 0.289912734 */, 19 }, + /* 7699 */ { MAD_F(0x04a3b030) /* 0.289962949 */, 19 }, + /* 7700 */ { MAD_F(0x04a3e4d8) /* 0.290013167 */, 19 }, + /* 7701 */ { MAD_F(0x04a41981) /* 0.290063387 */, 19 }, + /* 7702 */ { MAD_F(0x04a44e2b) /* 0.290113609 */, 19 }, + /* 7703 */ { MAD_F(0x04a482d5) /* 0.290163833 */, 19 }, + /* 7704 */ { MAD_F(0x04a4b77f) /* 0.290214059 */, 19 }, + /* 7705 */ { MAD_F(0x04a4ec2a) /* 0.290264288 */, 19 }, + /* 7706 */ { MAD_F(0x04a520d6) /* 0.290314519 */, 19 }, + /* 7707 */ { MAD_F(0x04a55582) /* 0.290364751 */, 19 }, + /* 7708 */ { MAD_F(0x04a58a2f) /* 0.290414986 */, 19 }, + /* 7709 */ { MAD_F(0x04a5bedd) /* 0.290465224 */, 19 }, + /* 7710 */ { MAD_F(0x04a5f38b) /* 0.290515463 */, 19 }, + /* 7711 */ { MAD_F(0x04a62839) /* 0.290565705 */, 19 }, + + /* 7712 */ { MAD_F(0x04a65ce8) /* 0.290615948 */, 19 }, + /* 7713 */ { MAD_F(0x04a69198) /* 0.290666194 */, 19 }, + /* 7714 */ { MAD_F(0x04a6c648) /* 0.290716442 */, 19 }, + /* 7715 */ { MAD_F(0x04a6faf9) /* 0.290766692 */, 19 }, + /* 7716 */ { MAD_F(0x04a72fab) /* 0.290816945 */, 19 }, + /* 7717 */ { MAD_F(0x04a7645d) /* 0.290867199 */, 19 }, + /* 7718 */ { MAD_F(0x04a79910) /* 0.290917456 */, 19 }, + /* 7719 */ { MAD_F(0x04a7cdc3) /* 0.290967715 */, 19 }, + /* 7720 */ { MAD_F(0x04a80277) /* 0.291017976 */, 19 }, + /* 7721 */ { MAD_F(0x04a8372b) /* 0.291068239 */, 19 }, + /* 7722 */ { MAD_F(0x04a86be0) /* 0.291118505 */, 19 }, + /* 7723 */ { MAD_F(0x04a8a096) /* 0.291168772 */, 19 }, + /* 7724 */ { MAD_F(0x04a8d54c) /* 0.291219042 */, 19 }, + /* 7725 */ { MAD_F(0x04a90a03) /* 0.291269314 */, 19 }, + /* 7726 */ { MAD_F(0x04a93eba) /* 0.291319588 */, 19 }, + /* 7727 */ { MAD_F(0x04a97372) /* 0.291369865 */, 19 }, + + /* 7728 */ { MAD_F(0x04a9a82b) /* 0.291420143 */, 19 }, + /* 7729 */ { MAD_F(0x04a9dce4) /* 0.291470424 */, 19 }, + /* 7730 */ { MAD_F(0x04aa119d) /* 0.291520706 */, 19 }, + /* 7731 */ { MAD_F(0x04aa4658) /* 0.291570991 */, 19 }, + /* 7732 */ { MAD_F(0x04aa7b13) /* 0.291621278 */, 19 }, + /* 7733 */ { MAD_F(0x04aaafce) /* 0.291671568 */, 19 }, + /* 7734 */ { MAD_F(0x04aae48a) /* 0.291721859 */, 19 }, + /* 7735 */ { MAD_F(0x04ab1947) /* 0.291772153 */, 19 }, + /* 7736 */ { MAD_F(0x04ab4e04) /* 0.291822449 */, 19 }, + /* 7737 */ { MAD_F(0x04ab82c2) /* 0.291872747 */, 19 }, + /* 7738 */ { MAD_F(0x04abb780) /* 0.291923047 */, 19 }, + /* 7739 */ { MAD_F(0x04abec3f) /* 0.291973349 */, 19 }, + /* 7740 */ { MAD_F(0x04ac20fe) /* 0.292023653 */, 19 }, + /* 7741 */ { MAD_F(0x04ac55be) /* 0.292073960 */, 19 }, + /* 7742 */ { MAD_F(0x04ac8a7f) /* 0.292124269 */, 19 }, + /* 7743 */ { MAD_F(0x04acbf40) /* 0.292174580 */, 19 }, + + /* 7744 */ { MAD_F(0x04acf402) /* 0.292224893 */, 19 }, + /* 7745 */ { MAD_F(0x04ad28c5) /* 0.292275208 */, 19 }, + /* 7746 */ { MAD_F(0x04ad5d88) /* 0.292325526 */, 19 }, + /* 7747 */ { MAD_F(0x04ad924b) /* 0.292375845 */, 19 }, + /* 7748 */ { MAD_F(0x04adc70f) /* 0.292426167 */, 19 }, + /* 7749 */ { MAD_F(0x04adfbd4) /* 0.292476491 */, 19 }, + /* 7750 */ { MAD_F(0x04ae3099) /* 0.292526817 */, 19 }, + /* 7751 */ { MAD_F(0x04ae655f) /* 0.292577145 */, 19 }, + /* 7752 */ { MAD_F(0x04ae9a26) /* 0.292627476 */, 19 }, + /* 7753 */ { MAD_F(0x04aeceed) /* 0.292677808 */, 19 }, + /* 7754 */ { MAD_F(0x04af03b4) /* 0.292728143 */, 19 }, + /* 7755 */ { MAD_F(0x04af387d) /* 0.292778480 */, 19 }, + /* 7756 */ { MAD_F(0x04af6d45) /* 0.292828819 */, 19 }, + /* 7757 */ { MAD_F(0x04afa20f) /* 0.292879160 */, 19 }, + /* 7758 */ { MAD_F(0x04afd6d9) /* 0.292929504 */, 19 }, + /* 7759 */ { MAD_F(0x04b00ba3) /* 0.292979849 */, 19 }, + + /* 7760 */ { MAD_F(0x04b0406e) /* 0.293030197 */, 19 }, + /* 7761 */ { MAD_F(0x04b0753a) /* 0.293080547 */, 19 }, + /* 7762 */ { MAD_F(0x04b0aa06) /* 0.293130899 */, 19 }, + /* 7763 */ { MAD_F(0x04b0ded3) /* 0.293181253 */, 19 }, + /* 7764 */ { MAD_F(0x04b113a1) /* 0.293231610 */, 19 }, + /* 7765 */ { MAD_F(0x04b1486f) /* 0.293281968 */, 19 }, + /* 7766 */ { MAD_F(0x04b17d3d) /* 0.293332329 */, 19 }, + /* 7767 */ { MAD_F(0x04b1b20c) /* 0.293382692 */, 19 }, + /* 7768 */ { MAD_F(0x04b1e6dc) /* 0.293433057 */, 19 }, + /* 7769 */ { MAD_F(0x04b21bad) /* 0.293483424 */, 19 }, + /* 7770 */ { MAD_F(0x04b2507d) /* 0.293533794 */, 19 }, + /* 7771 */ { MAD_F(0x04b2854f) /* 0.293584165 */, 19 }, + /* 7772 */ { MAD_F(0x04b2ba21) /* 0.293634539 */, 19 }, + /* 7773 */ { MAD_F(0x04b2eef4) /* 0.293684915 */, 19 }, + /* 7774 */ { MAD_F(0x04b323c7) /* 0.293735293 */, 19 }, + /* 7775 */ { MAD_F(0x04b3589b) /* 0.293785673 */, 19 }, + + /* 7776 */ { MAD_F(0x04b38d6f) /* 0.293836055 */, 19 }, + /* 7777 */ { MAD_F(0x04b3c244) /* 0.293886440 */, 19 }, + /* 7778 */ { MAD_F(0x04b3f71a) /* 0.293936826 */, 19 }, + /* 7779 */ { MAD_F(0x04b42bf0) /* 0.293987215 */, 19 }, + /* 7780 */ { MAD_F(0x04b460c7) /* 0.294037606 */, 19 }, + /* 7781 */ { MAD_F(0x04b4959e) /* 0.294087999 */, 19 }, + /* 7782 */ { MAD_F(0x04b4ca76) /* 0.294138395 */, 19 }, + /* 7783 */ { MAD_F(0x04b4ff4e) /* 0.294188792 */, 19 }, + /* 7784 */ { MAD_F(0x04b53427) /* 0.294239192 */, 19 }, + /* 7785 */ { MAD_F(0x04b56901) /* 0.294289593 */, 19 }, + /* 7786 */ { MAD_F(0x04b59ddb) /* 0.294339997 */, 19 }, + /* 7787 */ { MAD_F(0x04b5d2b6) /* 0.294390403 */, 19 }, + /* 7788 */ { MAD_F(0x04b60791) /* 0.294440812 */, 19 }, + /* 7789 */ { MAD_F(0x04b63c6d) /* 0.294491222 */, 19 }, + /* 7790 */ { MAD_F(0x04b6714a) /* 0.294541635 */, 19 }, + /* 7791 */ { MAD_F(0x04b6a627) /* 0.294592049 */, 19 }, + + /* 7792 */ { MAD_F(0x04b6db05) /* 0.294642466 */, 19 }, + /* 7793 */ { MAD_F(0x04b70fe3) /* 0.294692885 */, 19 }, + /* 7794 */ { MAD_F(0x04b744c2) /* 0.294743306 */, 19 }, + /* 7795 */ { MAD_F(0x04b779a1) /* 0.294793730 */, 19 }, + /* 7796 */ { MAD_F(0x04b7ae81) /* 0.294844155 */, 19 }, + /* 7797 */ { MAD_F(0x04b7e362) /* 0.294894583 */, 19 }, + /* 7798 */ { MAD_F(0x04b81843) /* 0.294945013 */, 19 }, + /* 7799 */ { MAD_F(0x04b84d24) /* 0.294995445 */, 19 }, + /* 7800 */ { MAD_F(0x04b88207) /* 0.295045879 */, 19 }, + /* 7801 */ { MAD_F(0x04b8b6ea) /* 0.295096315 */, 19 }, + /* 7802 */ { MAD_F(0x04b8ebcd) /* 0.295146753 */, 19 }, + /* 7803 */ { MAD_F(0x04b920b1) /* 0.295197194 */, 19 }, + /* 7804 */ { MAD_F(0x04b95596) /* 0.295247637 */, 19 }, + /* 7805 */ { MAD_F(0x04b98a7b) /* 0.295298082 */, 19 }, + /* 7806 */ { MAD_F(0x04b9bf61) /* 0.295348529 */, 19 }, + /* 7807 */ { MAD_F(0x04b9f447) /* 0.295398978 */, 19 }, + + /* 7808 */ { MAD_F(0x04ba292e) /* 0.295449429 */, 19 }, + /* 7809 */ { MAD_F(0x04ba5e16) /* 0.295499883 */, 19 }, + /* 7810 */ { MAD_F(0x04ba92fe) /* 0.295550338 */, 19 }, + /* 7811 */ { MAD_F(0x04bac7e6) /* 0.295600796 */, 19 }, + /* 7812 */ { MAD_F(0x04bafcd0) /* 0.295651256 */, 19 }, + /* 7813 */ { MAD_F(0x04bb31b9) /* 0.295701718 */, 19 }, + /* 7814 */ { MAD_F(0x04bb66a4) /* 0.295752183 */, 19 }, + /* 7815 */ { MAD_F(0x04bb9b8f) /* 0.295802649 */, 19 }, + /* 7816 */ { MAD_F(0x04bbd07a) /* 0.295853118 */, 19 }, + /* 7817 */ { MAD_F(0x04bc0566) /* 0.295903588 */, 19 }, + /* 7818 */ { MAD_F(0x04bc3a53) /* 0.295954061 */, 19 }, + /* 7819 */ { MAD_F(0x04bc6f40) /* 0.296004536 */, 19 }, + /* 7820 */ { MAD_F(0x04bca42e) /* 0.296055013 */, 19 }, + /* 7821 */ { MAD_F(0x04bcd91d) /* 0.296105493 */, 19 }, + /* 7822 */ { MAD_F(0x04bd0e0c) /* 0.296155974 */, 19 }, + /* 7823 */ { MAD_F(0x04bd42fb) /* 0.296206458 */, 19 }, + + /* 7824 */ { MAD_F(0x04bd77ec) /* 0.296256944 */, 19 }, + /* 7825 */ { MAD_F(0x04bdacdc) /* 0.296307432 */, 19 }, + /* 7826 */ { MAD_F(0x04bde1ce) /* 0.296357922 */, 19 }, + /* 7827 */ { MAD_F(0x04be16c0) /* 0.296408414 */, 19 }, + /* 7828 */ { MAD_F(0x04be4bb2) /* 0.296458908 */, 19 }, + /* 7829 */ { MAD_F(0x04be80a5) /* 0.296509405 */, 19 }, + /* 7830 */ { MAD_F(0x04beb599) /* 0.296559904 */, 19 }, + /* 7831 */ { MAD_F(0x04beea8d) /* 0.296610404 */, 19 }, + /* 7832 */ { MAD_F(0x04bf1f82) /* 0.296660907 */, 19 }, + /* 7833 */ { MAD_F(0x04bf5477) /* 0.296711413 */, 19 }, + /* 7834 */ { MAD_F(0x04bf896d) /* 0.296761920 */, 19 }, + /* 7835 */ { MAD_F(0x04bfbe64) /* 0.296812429 */, 19 }, + /* 7836 */ { MAD_F(0x04bff35b) /* 0.296862941 */, 19 }, + /* 7837 */ { MAD_F(0x04c02852) /* 0.296913455 */, 19 }, + /* 7838 */ { MAD_F(0x04c05d4b) /* 0.296963971 */, 19 }, + /* 7839 */ { MAD_F(0x04c09243) /* 0.297014489 */, 19 }, + + /* 7840 */ { MAD_F(0x04c0c73d) /* 0.297065009 */, 19 }, + /* 7841 */ { MAD_F(0x04c0fc37) /* 0.297115531 */, 19 }, + /* 7842 */ { MAD_F(0x04c13131) /* 0.297166056 */, 19 }, + /* 7843 */ { MAD_F(0x04c1662d) /* 0.297216582 */, 19 }, + /* 7844 */ { MAD_F(0x04c19b28) /* 0.297267111 */, 19 }, + /* 7845 */ { MAD_F(0x04c1d025) /* 0.297317642 */, 19 }, + /* 7846 */ { MAD_F(0x04c20521) /* 0.297368175 */, 19 }, + /* 7847 */ { MAD_F(0x04c23a1f) /* 0.297418710 */, 19 }, + /* 7848 */ { MAD_F(0x04c26f1d) /* 0.297469248 */, 19 }, + /* 7849 */ { MAD_F(0x04c2a41b) /* 0.297519787 */, 19 }, + /* 7850 */ { MAD_F(0x04c2d91b) /* 0.297570329 */, 19 }, + /* 7851 */ { MAD_F(0x04c30e1a) /* 0.297620873 */, 19 }, + /* 7852 */ { MAD_F(0x04c3431b) /* 0.297671418 */, 19 }, + /* 7853 */ { MAD_F(0x04c3781c) /* 0.297721967 */, 19 }, + /* 7854 */ { MAD_F(0x04c3ad1d) /* 0.297772517 */, 19 }, + /* 7855 */ { MAD_F(0x04c3e21f) /* 0.297823069 */, 19 }, + + /* 7856 */ { MAD_F(0x04c41722) /* 0.297873624 */, 19 }, + /* 7857 */ { MAD_F(0x04c44c25) /* 0.297924180 */, 19 }, + /* 7858 */ { MAD_F(0x04c48129) /* 0.297974739 */, 19 }, + /* 7859 */ { MAD_F(0x04c4b62d) /* 0.298025300 */, 19 }, + /* 7860 */ { MAD_F(0x04c4eb32) /* 0.298075863 */, 19 }, + /* 7861 */ { MAD_F(0x04c52038) /* 0.298126429 */, 19 }, + /* 7862 */ { MAD_F(0x04c5553e) /* 0.298176996 */, 19 }, + /* 7863 */ { MAD_F(0x04c58a44) /* 0.298227565 */, 19 }, + /* 7864 */ { MAD_F(0x04c5bf4c) /* 0.298278137 */, 19 }, + /* 7865 */ { MAD_F(0x04c5f453) /* 0.298328711 */, 19 }, + /* 7866 */ { MAD_F(0x04c6295c) /* 0.298379287 */, 19 }, + /* 7867 */ { MAD_F(0x04c65e65) /* 0.298429865 */, 19 }, + /* 7868 */ { MAD_F(0x04c6936e) /* 0.298480445 */, 19 }, + /* 7869 */ { MAD_F(0x04c6c878) /* 0.298531028 */, 19 }, + /* 7870 */ { MAD_F(0x04c6fd83) /* 0.298581612 */, 19 }, + /* 7871 */ { MAD_F(0x04c7328e) /* 0.298632199 */, 19 }, + + /* 7872 */ { MAD_F(0x04c7679a) /* 0.298682788 */, 19 }, + /* 7873 */ { MAD_F(0x04c79ca7) /* 0.298733379 */, 19 }, + /* 7874 */ { MAD_F(0x04c7d1b4) /* 0.298783972 */, 19 }, + /* 7875 */ { MAD_F(0x04c806c1) /* 0.298834567 */, 19 }, + /* 7876 */ { MAD_F(0x04c83bcf) /* 0.298885165 */, 19 }, + /* 7877 */ { MAD_F(0x04c870de) /* 0.298935764 */, 19 }, + /* 7878 */ { MAD_F(0x04c8a5ed) /* 0.298986366 */, 19 }, + /* 7879 */ { MAD_F(0x04c8dafd) /* 0.299036970 */, 19 }, + /* 7880 */ { MAD_F(0x04c9100d) /* 0.299087576 */, 19 }, + /* 7881 */ { MAD_F(0x04c9451e) /* 0.299138184 */, 19 }, + /* 7882 */ { MAD_F(0x04c97a30) /* 0.299188794 */, 19 }, + /* 7883 */ { MAD_F(0x04c9af42) /* 0.299239406 */, 19 }, + /* 7884 */ { MAD_F(0x04c9e455) /* 0.299290021 */, 19 }, + /* 7885 */ { MAD_F(0x04ca1968) /* 0.299340638 */, 19 }, + /* 7886 */ { MAD_F(0x04ca4e7c) /* 0.299391256 */, 19 }, + /* 7887 */ { MAD_F(0x04ca8391) /* 0.299441877 */, 19 }, + + /* 7888 */ { MAD_F(0x04cab8a6) /* 0.299492500 */, 19 }, + /* 7889 */ { MAD_F(0x04caedbb) /* 0.299543126 */, 19 }, + /* 7890 */ { MAD_F(0x04cb22d1) /* 0.299593753 */, 19 }, + /* 7891 */ { MAD_F(0x04cb57e8) /* 0.299644382 */, 19 }, + /* 7892 */ { MAD_F(0x04cb8d00) /* 0.299695014 */, 19 }, + /* 7893 */ { MAD_F(0x04cbc217) /* 0.299745648 */, 19 }, + /* 7894 */ { MAD_F(0x04cbf730) /* 0.299796284 */, 19 }, + /* 7895 */ { MAD_F(0x04cc2c49) /* 0.299846922 */, 19 }, + /* 7896 */ { MAD_F(0x04cc6163) /* 0.299897562 */, 19 }, + /* 7897 */ { MAD_F(0x04cc967d) /* 0.299948204 */, 19 }, + /* 7898 */ { MAD_F(0x04cccb98) /* 0.299998849 */, 19 }, + /* 7899 */ { MAD_F(0x04cd00b3) /* 0.300049495 */, 19 }, + /* 7900 */ { MAD_F(0x04cd35cf) /* 0.300100144 */, 19 }, + /* 7901 */ { MAD_F(0x04cd6aeb) /* 0.300150795 */, 19 }, + /* 7902 */ { MAD_F(0x04cda008) /* 0.300201448 */, 19 }, + /* 7903 */ { MAD_F(0x04cdd526) /* 0.300252103 */, 19 }, + + /* 7904 */ { MAD_F(0x04ce0a44) /* 0.300302761 */, 19 }, + /* 7905 */ { MAD_F(0x04ce3f63) /* 0.300353420 */, 19 }, + /* 7906 */ { MAD_F(0x04ce7482) /* 0.300404082 */, 19 }, + /* 7907 */ { MAD_F(0x04cea9a2) /* 0.300454745 */, 19 }, + /* 7908 */ { MAD_F(0x04cedec3) /* 0.300505411 */, 19 }, + /* 7909 */ { MAD_F(0x04cf13e4) /* 0.300556079 */, 19 }, + /* 7910 */ { MAD_F(0x04cf4906) /* 0.300606749 */, 19 }, + /* 7911 */ { MAD_F(0x04cf7e28) /* 0.300657421 */, 19 }, + /* 7912 */ { MAD_F(0x04cfb34b) /* 0.300708096 */, 19 }, + /* 7913 */ { MAD_F(0x04cfe86e) /* 0.300758772 */, 19 }, + /* 7914 */ { MAD_F(0x04d01d92) /* 0.300809451 */, 19 }, + /* 7915 */ { MAD_F(0x04d052b6) /* 0.300860132 */, 19 }, + /* 7916 */ { MAD_F(0x04d087db) /* 0.300910815 */, 19 }, + /* 7917 */ { MAD_F(0x04d0bd01) /* 0.300961500 */, 19 }, + /* 7918 */ { MAD_F(0x04d0f227) /* 0.301012187 */, 19 }, + /* 7919 */ { MAD_F(0x04d1274e) /* 0.301062876 */, 19 }, + + /* 7920 */ { MAD_F(0x04d15c76) /* 0.301113568 */, 19 }, + /* 7921 */ { MAD_F(0x04d1919e) /* 0.301164261 */, 19 }, + /* 7922 */ { MAD_F(0x04d1c6c6) /* 0.301214957 */, 19 }, + /* 7923 */ { MAD_F(0x04d1fbef) /* 0.301265655 */, 19 }, + /* 7924 */ { MAD_F(0x04d23119) /* 0.301316355 */, 19 }, + /* 7925 */ { MAD_F(0x04d26643) /* 0.301367057 */, 19 }, + /* 7926 */ { MAD_F(0x04d29b6e) /* 0.301417761 */, 19 }, + /* 7927 */ { MAD_F(0x04d2d099) /* 0.301468468 */, 19 }, + /* 7928 */ { MAD_F(0x04d305c5) /* 0.301519176 */, 19 }, + /* 7929 */ { MAD_F(0x04d33af2) /* 0.301569887 */, 19 }, + /* 7930 */ { MAD_F(0x04d3701f) /* 0.301620599 */, 19 }, + /* 7931 */ { MAD_F(0x04d3a54d) /* 0.301671314 */, 19 }, + /* 7932 */ { MAD_F(0x04d3da7b) /* 0.301722031 */, 19 }, + /* 7933 */ { MAD_F(0x04d40faa) /* 0.301772751 */, 19 }, + /* 7934 */ { MAD_F(0x04d444d9) /* 0.301823472 */, 19 }, + /* 7935 */ { MAD_F(0x04d47a09) /* 0.301874195 */, 19 }, + + /* 7936 */ { MAD_F(0x04d4af3a) /* 0.301924921 */, 19 }, + /* 7937 */ { MAD_F(0x04d4e46b) /* 0.301975649 */, 19 }, + /* 7938 */ { MAD_F(0x04d5199c) /* 0.302026378 */, 19 }, + /* 7939 */ { MAD_F(0x04d54ecf) /* 0.302077110 */, 19 }, + /* 7940 */ { MAD_F(0x04d58401) /* 0.302127845 */, 19 }, + /* 7941 */ { MAD_F(0x04d5b935) /* 0.302178581 */, 19 }, + /* 7942 */ { MAD_F(0x04d5ee69) /* 0.302229319 */, 19 }, + /* 7943 */ { MAD_F(0x04d6239d) /* 0.302280060 */, 19 }, + /* 7944 */ { MAD_F(0x04d658d2) /* 0.302330802 */, 19 }, + /* 7945 */ { MAD_F(0x04d68e08) /* 0.302381547 */, 19 }, + /* 7946 */ { MAD_F(0x04d6c33e) /* 0.302432294 */, 19 }, + /* 7947 */ { MAD_F(0x04d6f875) /* 0.302483043 */, 19 }, + /* 7948 */ { MAD_F(0x04d72dad) /* 0.302533794 */, 19 }, + /* 7949 */ { MAD_F(0x04d762e5) /* 0.302584547 */, 19 }, + /* 7950 */ { MAD_F(0x04d7981d) /* 0.302635303 */, 19 }, + /* 7951 */ { MAD_F(0x04d7cd56) /* 0.302686060 */, 19 }, + + /* 7952 */ { MAD_F(0x04d80290) /* 0.302736820 */, 19 }, + /* 7953 */ { MAD_F(0x04d837ca) /* 0.302787581 */, 19 }, + /* 7954 */ { MAD_F(0x04d86d05) /* 0.302838345 */, 19 }, + /* 7955 */ { MAD_F(0x04d8a240) /* 0.302889111 */, 19 }, + /* 7956 */ { MAD_F(0x04d8d77c) /* 0.302939879 */, 19 }, + /* 7957 */ { MAD_F(0x04d90cb9) /* 0.302990650 */, 19 }, + /* 7958 */ { MAD_F(0x04d941f6) /* 0.303041422 */, 19 }, + /* 7959 */ { MAD_F(0x04d97734) /* 0.303092197 */, 19 }, + /* 7960 */ { MAD_F(0x04d9ac72) /* 0.303142973 */, 19 }, + /* 7961 */ { MAD_F(0x04d9e1b1) /* 0.303193752 */, 19 }, + /* 7962 */ { MAD_F(0x04da16f0) /* 0.303244533 */, 19 }, + /* 7963 */ { MAD_F(0x04da4c30) /* 0.303295316 */, 19 }, + /* 7964 */ { MAD_F(0x04da8171) /* 0.303346101 */, 19 }, + /* 7965 */ { MAD_F(0x04dab6b2) /* 0.303396889 */, 19 }, + /* 7966 */ { MAD_F(0x04daebf4) /* 0.303447678 */, 19 }, + /* 7967 */ { MAD_F(0x04db2136) /* 0.303498469 */, 19 }, + + /* 7968 */ { MAD_F(0x04db5679) /* 0.303549263 */, 19 }, + /* 7969 */ { MAD_F(0x04db8bbc) /* 0.303600059 */, 19 }, + /* 7970 */ { MAD_F(0x04dbc100) /* 0.303650857 */, 19 }, + /* 7971 */ { MAD_F(0x04dbf644) /* 0.303701657 */, 19 }, + /* 7972 */ { MAD_F(0x04dc2b8a) /* 0.303752459 */, 19 }, + /* 7973 */ { MAD_F(0x04dc60cf) /* 0.303803263 */, 19 }, + /* 7974 */ { MAD_F(0x04dc9616) /* 0.303854070 */, 19 }, + /* 7975 */ { MAD_F(0x04dccb5c) /* 0.303904878 */, 19 }, + /* 7976 */ { MAD_F(0x04dd00a4) /* 0.303955689 */, 19 }, + /* 7977 */ { MAD_F(0x04dd35ec) /* 0.304006502 */, 19 }, + /* 7978 */ { MAD_F(0x04dd6b34) /* 0.304057317 */, 19 }, + /* 7979 */ { MAD_F(0x04dda07d) /* 0.304108134 */, 19 }, + /* 7980 */ { MAD_F(0x04ddd5c7) /* 0.304158953 */, 19 }, + /* 7981 */ { MAD_F(0x04de0b11) /* 0.304209774 */, 19 }, + /* 7982 */ { MAD_F(0x04de405c) /* 0.304260597 */, 19 }, + /* 7983 */ { MAD_F(0x04de75a7) /* 0.304311423 */, 19 }, + + /* 7984 */ { MAD_F(0x04deaaf3) /* 0.304362251 */, 19 }, + /* 7985 */ { MAD_F(0x04dee040) /* 0.304413080 */, 19 }, + /* 7986 */ { MAD_F(0x04df158d) /* 0.304463912 */, 19 }, + /* 7987 */ { MAD_F(0x04df4adb) /* 0.304514746 */, 19 }, + /* 7988 */ { MAD_F(0x04df8029) /* 0.304565582 */, 19 }, + /* 7989 */ { MAD_F(0x04dfb578) /* 0.304616421 */, 19 }, + /* 7990 */ { MAD_F(0x04dfeac7) /* 0.304667261 */, 19 }, + /* 7991 */ { MAD_F(0x04e02017) /* 0.304718103 */, 19 }, + /* 7992 */ { MAD_F(0x04e05567) /* 0.304768948 */, 19 }, + /* 7993 */ { MAD_F(0x04e08ab8) /* 0.304819795 */, 19 }, + /* 7994 */ { MAD_F(0x04e0c00a) /* 0.304870644 */, 19 }, + /* 7995 */ { MAD_F(0x04e0f55c) /* 0.304921495 */, 19 }, + /* 7996 */ { MAD_F(0x04e12aaf) /* 0.304972348 */, 19 }, + /* 7997 */ { MAD_F(0x04e16002) /* 0.305023203 */, 19 }, + /* 7998 */ { MAD_F(0x04e19556) /* 0.305074060 */, 19 }, + /* 7999 */ { MAD_F(0x04e1caab) /* 0.305124920 */, 19 }, + + /* 8000 */ { MAD_F(0x04e20000) /* 0.305175781 */, 19 }, + /* 8001 */ { MAD_F(0x04e23555) /* 0.305226645 */, 19 }, + /* 8002 */ { MAD_F(0x04e26aac) /* 0.305277511 */, 19 }, + /* 8003 */ { MAD_F(0x04e2a002) /* 0.305328379 */, 19 }, + /* 8004 */ { MAD_F(0x04e2d55a) /* 0.305379249 */, 19 }, + /* 8005 */ { MAD_F(0x04e30ab2) /* 0.305430121 */, 19 }, + /* 8006 */ { MAD_F(0x04e3400a) /* 0.305480995 */, 19 }, + /* 8007 */ { MAD_F(0x04e37563) /* 0.305531872 */, 19 }, + /* 8008 */ { MAD_F(0x04e3aabd) /* 0.305582750 */, 19 }, + /* 8009 */ { MAD_F(0x04e3e017) /* 0.305633631 */, 19 }, + /* 8010 */ { MAD_F(0x04e41572) /* 0.305684513 */, 19 }, + /* 8011 */ { MAD_F(0x04e44acd) /* 0.305735398 */, 19 }, + /* 8012 */ { MAD_F(0x04e48029) /* 0.305786285 */, 19 }, + /* 8013 */ { MAD_F(0x04e4b585) /* 0.305837174 */, 19 }, + /* 8014 */ { MAD_F(0x04e4eae2) /* 0.305888066 */, 19 }, + /* 8015 */ { MAD_F(0x04e52040) /* 0.305938959 */, 19 }, + + /* 8016 */ { MAD_F(0x04e5559e) /* 0.305989854 */, 19 }, + /* 8017 */ { MAD_F(0x04e58afd) /* 0.306040752 */, 19 }, + /* 8018 */ { MAD_F(0x04e5c05c) /* 0.306091652 */, 19 }, + /* 8019 */ { MAD_F(0x04e5f5bc) /* 0.306142554 */, 19 }, + /* 8020 */ { MAD_F(0x04e62b1c) /* 0.306193457 */, 19 }, + /* 8021 */ { MAD_F(0x04e6607d) /* 0.306244364 */, 19 }, + /* 8022 */ { MAD_F(0x04e695df) /* 0.306295272 */, 19 }, + /* 8023 */ { MAD_F(0x04e6cb41) /* 0.306346182 */, 19 }, + /* 8024 */ { MAD_F(0x04e700a3) /* 0.306397094 */, 19 }, + /* 8025 */ { MAD_F(0x04e73607) /* 0.306448009 */, 19 }, + /* 8026 */ { MAD_F(0x04e76b6b) /* 0.306498925 */, 19 }, + /* 8027 */ { MAD_F(0x04e7a0cf) /* 0.306549844 */, 19 }, + /* 8028 */ { MAD_F(0x04e7d634) /* 0.306600765 */, 19 }, + /* 8029 */ { MAD_F(0x04e80b99) /* 0.306651688 */, 19 }, + /* 8030 */ { MAD_F(0x04e84100) /* 0.306702613 */, 19 }, + /* 8031 */ { MAD_F(0x04e87666) /* 0.306753540 */, 19 }, + + /* 8032 */ { MAD_F(0x04e8abcd) /* 0.306804470 */, 19 }, + /* 8033 */ { MAD_F(0x04e8e135) /* 0.306855401 */, 19 }, + /* 8034 */ { MAD_F(0x04e9169e) /* 0.306906334 */, 19 }, + /* 8035 */ { MAD_F(0x04e94c07) /* 0.306957270 */, 19 }, + /* 8036 */ { MAD_F(0x04e98170) /* 0.307008208 */, 19 }, + /* 8037 */ { MAD_F(0x04e9b6da) /* 0.307059148 */, 19 }, + /* 8038 */ { MAD_F(0x04e9ec45) /* 0.307110090 */, 19 }, + /* 8039 */ { MAD_F(0x04ea21b0) /* 0.307161034 */, 19 }, + /* 8040 */ { MAD_F(0x04ea571c) /* 0.307211980 */, 19 }, + /* 8041 */ { MAD_F(0x04ea8c88) /* 0.307262928 */, 19 }, + /* 8042 */ { MAD_F(0x04eac1f5) /* 0.307313879 */, 19 }, + /* 8043 */ { MAD_F(0x04eaf762) /* 0.307364831 */, 19 }, + /* 8044 */ { MAD_F(0x04eb2cd0) /* 0.307415786 */, 19 }, + /* 8045 */ { MAD_F(0x04eb623f) /* 0.307466743 */, 19 }, + /* 8046 */ { MAD_F(0x04eb97ae) /* 0.307517702 */, 19 }, + /* 8047 */ { MAD_F(0x04ebcd1e) /* 0.307568663 */, 19 }, + + /* 8048 */ { MAD_F(0x04ec028e) /* 0.307619626 */, 19 }, + /* 8049 */ { MAD_F(0x04ec37ff) /* 0.307670591 */, 19 }, + /* 8050 */ { MAD_F(0x04ec6d71) /* 0.307721558 */, 19 }, + /* 8051 */ { MAD_F(0x04eca2e3) /* 0.307772528 */, 19 }, + /* 8052 */ { MAD_F(0x04ecd855) /* 0.307823499 */, 19 }, + /* 8053 */ { MAD_F(0x04ed0dc8) /* 0.307874473 */, 19 }, + /* 8054 */ { MAD_F(0x04ed433c) /* 0.307925449 */, 19 }, + /* 8055 */ { MAD_F(0x04ed78b0) /* 0.307976426 */, 19 }, + /* 8056 */ { MAD_F(0x04edae25) /* 0.308027406 */, 19 }, + /* 8057 */ { MAD_F(0x04ede39a) /* 0.308078389 */, 19 }, + /* 8058 */ { MAD_F(0x04ee1910) /* 0.308129373 */, 19 }, + /* 8059 */ { MAD_F(0x04ee4e87) /* 0.308180359 */, 19 }, + /* 8060 */ { MAD_F(0x04ee83fe) /* 0.308231347 */, 19 }, + /* 8061 */ { MAD_F(0x04eeb976) /* 0.308282338 */, 19 }, + /* 8062 */ { MAD_F(0x04eeeeee) /* 0.308333331 */, 19 }, + /* 8063 */ { MAD_F(0x04ef2467) /* 0.308384325 */, 19 }, + + /* 8064 */ { MAD_F(0x04ef59e0) /* 0.308435322 */, 19 }, + /* 8065 */ { MAD_F(0x04ef8f5a) /* 0.308486321 */, 19 }, + /* 8066 */ { MAD_F(0x04efc4d5) /* 0.308537322 */, 19 }, + /* 8067 */ { MAD_F(0x04effa50) /* 0.308588325 */, 19 }, + /* 8068 */ { MAD_F(0x04f02fcb) /* 0.308639331 */, 19 }, + /* 8069 */ { MAD_F(0x04f06547) /* 0.308690338 */, 19 }, + /* 8070 */ { MAD_F(0x04f09ac4) /* 0.308741348 */, 19 }, + /* 8071 */ { MAD_F(0x04f0d041) /* 0.308792359 */, 19 }, + /* 8072 */ { MAD_F(0x04f105bf) /* 0.308843373 */, 19 }, + /* 8073 */ { MAD_F(0x04f13b3e) /* 0.308894389 */, 19 }, + /* 8074 */ { MAD_F(0x04f170bd) /* 0.308945407 */, 19 }, + /* 8075 */ { MAD_F(0x04f1a63c) /* 0.308996427 */, 19 }, + /* 8076 */ { MAD_F(0x04f1dbbd) /* 0.309047449 */, 19 }, + /* 8077 */ { MAD_F(0x04f2113d) /* 0.309098473 */, 19 }, + /* 8078 */ { MAD_F(0x04f246bf) /* 0.309149499 */, 19 }, + /* 8079 */ { MAD_F(0x04f27c40) /* 0.309200528 */, 19 }, + + /* 8080 */ { MAD_F(0x04f2b1c3) /* 0.309251558 */, 19 }, + /* 8081 */ { MAD_F(0x04f2e746) /* 0.309302591 */, 19 }, + /* 8082 */ { MAD_F(0x04f31cc9) /* 0.309353626 */, 19 }, + /* 8083 */ { MAD_F(0x04f3524d) /* 0.309404663 */, 19 }, + /* 8084 */ { MAD_F(0x04f387d2) /* 0.309455702 */, 19 }, + /* 8085 */ { MAD_F(0x04f3bd57) /* 0.309506743 */, 19 }, + /* 8086 */ { MAD_F(0x04f3f2dd) /* 0.309557786 */, 19 }, + /* 8087 */ { MAD_F(0x04f42864) /* 0.309608831 */, 19 }, + /* 8088 */ { MAD_F(0x04f45dea) /* 0.309659879 */, 19 }, + /* 8089 */ { MAD_F(0x04f49372) /* 0.309710928 */, 19 }, + /* 8090 */ { MAD_F(0x04f4c8fa) /* 0.309761980 */, 19 }, + /* 8091 */ { MAD_F(0x04f4fe83) /* 0.309813033 */, 19 }, + /* 8092 */ { MAD_F(0x04f5340c) /* 0.309864089 */, 19 }, + /* 8093 */ { MAD_F(0x04f56996) /* 0.309915147 */, 19 }, + /* 8094 */ { MAD_F(0x04f59f20) /* 0.309966207 */, 19 }, + /* 8095 */ { MAD_F(0x04f5d4ab) /* 0.310017269 */, 19 }, + + /* 8096 */ { MAD_F(0x04f60a36) /* 0.310068333 */, 19 }, + /* 8097 */ { MAD_F(0x04f63fc2) /* 0.310119400 */, 19 }, + /* 8098 */ { MAD_F(0x04f6754f) /* 0.310170468 */, 19 }, + /* 8099 */ { MAD_F(0x04f6aadc) /* 0.310221539 */, 19 }, + /* 8100 */ { MAD_F(0x04f6e06a) /* 0.310272611 */, 19 }, + /* 8101 */ { MAD_F(0x04f715f8) /* 0.310323686 */, 19 }, + /* 8102 */ { MAD_F(0x04f74b87) /* 0.310374763 */, 19 }, + /* 8103 */ { MAD_F(0x04f78116) /* 0.310425842 */, 19 }, + /* 8104 */ { MAD_F(0x04f7b6a6) /* 0.310476923 */, 19 }, + /* 8105 */ { MAD_F(0x04f7ec37) /* 0.310528006 */, 19 }, + /* 8106 */ { MAD_F(0x04f821c8) /* 0.310579091 */, 19 }, + /* 8107 */ { MAD_F(0x04f85759) /* 0.310630179 */, 19 }, + /* 8108 */ { MAD_F(0x04f88cec) /* 0.310681268 */, 19 }, + /* 8109 */ { MAD_F(0x04f8c27e) /* 0.310732360 */, 19 }, + /* 8110 */ { MAD_F(0x04f8f812) /* 0.310783453 */, 19 }, + /* 8111 */ { MAD_F(0x04f92da6) /* 0.310834549 */, 19 }, + + /* 8112 */ { MAD_F(0x04f9633a) /* 0.310885647 */, 19 }, + /* 8113 */ { MAD_F(0x04f998cf) /* 0.310936747 */, 19 }, + /* 8114 */ { MAD_F(0x04f9ce65) /* 0.310987849 */, 19 }, + /* 8115 */ { MAD_F(0x04fa03fb) /* 0.311038953 */, 19 }, + /* 8116 */ { MAD_F(0x04fa3992) /* 0.311090059 */, 19 }, + /* 8117 */ { MAD_F(0x04fa6f29) /* 0.311141168 */, 19 }, + /* 8118 */ { MAD_F(0x04faa4c1) /* 0.311192278 */, 19 }, + /* 8119 */ { MAD_F(0x04fada59) /* 0.311243390 */, 19 }, + /* 8120 */ { MAD_F(0x04fb0ff2) /* 0.311294505 */, 19 }, + /* 8121 */ { MAD_F(0x04fb458c) /* 0.311345622 */, 19 }, + /* 8122 */ { MAD_F(0x04fb7b26) /* 0.311396741 */, 19 }, + /* 8123 */ { MAD_F(0x04fbb0c1) /* 0.311447862 */, 19 }, + /* 8124 */ { MAD_F(0x04fbe65c) /* 0.311498985 */, 19 }, + /* 8125 */ { MAD_F(0x04fc1bf8) /* 0.311550110 */, 19 }, + /* 8126 */ { MAD_F(0x04fc5194) /* 0.311601237 */, 19 }, + /* 8127 */ { MAD_F(0x04fc8731) /* 0.311652366 */, 19 }, + + /* 8128 */ { MAD_F(0x04fcbcce) /* 0.311703498 */, 19 }, + /* 8129 */ { MAD_F(0x04fcf26c) /* 0.311754631 */, 19 }, + /* 8130 */ { MAD_F(0x04fd280b) /* 0.311805767 */, 19 }, + /* 8131 */ { MAD_F(0x04fd5daa) /* 0.311856905 */, 19 }, + /* 8132 */ { MAD_F(0x04fd934a) /* 0.311908044 */, 19 }, + /* 8133 */ { MAD_F(0x04fdc8ea) /* 0.311959186 */, 19 }, + /* 8134 */ { MAD_F(0x04fdfe8b) /* 0.312010330 */, 19 }, + /* 8135 */ { MAD_F(0x04fe342c) /* 0.312061476 */, 19 }, + /* 8136 */ { MAD_F(0x04fe69ce) /* 0.312112625 */, 19 }, + /* 8137 */ { MAD_F(0x04fe9f71) /* 0.312163775 */, 19 }, + /* 8138 */ { MAD_F(0x04fed514) /* 0.312214927 */, 19 }, + /* 8139 */ { MAD_F(0x04ff0ab8) /* 0.312266082 */, 19 }, + /* 8140 */ { MAD_F(0x04ff405c) /* 0.312317238 */, 19 }, + /* 8141 */ { MAD_F(0x04ff7601) /* 0.312368397 */, 19 }, + /* 8142 */ { MAD_F(0x04ffaba6) /* 0.312419558 */, 19 }, + /* 8143 */ { MAD_F(0x04ffe14c) /* 0.312470720 */, 19 }, + + /* 8144 */ { MAD_F(0x050016f3) /* 0.312521885 */, 19 }, + /* 8145 */ { MAD_F(0x05004c9a) /* 0.312573052 */, 19 }, + /* 8146 */ { MAD_F(0x05008241) /* 0.312624222 */, 19 }, + /* 8147 */ { MAD_F(0x0500b7e9) /* 0.312675393 */, 19 }, + /* 8148 */ { MAD_F(0x0500ed92) /* 0.312726566 */, 19 }, + /* 8149 */ { MAD_F(0x0501233b) /* 0.312777742 */, 19 }, + /* 8150 */ { MAD_F(0x050158e5) /* 0.312828919 */, 19 }, + /* 8151 */ { MAD_F(0x05018e90) /* 0.312880099 */, 19 }, + /* 8152 */ { MAD_F(0x0501c43b) /* 0.312931280 */, 19 }, + /* 8153 */ { MAD_F(0x0501f9e6) /* 0.312982464 */, 19 }, + /* 8154 */ { MAD_F(0x05022f92) /* 0.313033650 */, 19 }, + /* 8155 */ { MAD_F(0x0502653f) /* 0.313084838 */, 19 }, + /* 8156 */ { MAD_F(0x05029aec) /* 0.313136028 */, 19 }, + /* 8157 */ { MAD_F(0x0502d09a) /* 0.313187220 */, 19 }, + /* 8158 */ { MAD_F(0x05030648) /* 0.313238414 */, 19 }, + /* 8159 */ { MAD_F(0x05033bf7) /* 0.313289611 */, 19 }, + + /* 8160 */ { MAD_F(0x050371a7) /* 0.313340809 */, 19 }, + /* 8161 */ { MAD_F(0x0503a757) /* 0.313392010 */, 19 }, + /* 8162 */ { MAD_F(0x0503dd07) /* 0.313443212 */, 19 }, + /* 8163 */ { MAD_F(0x050412b9) /* 0.313494417 */, 19 }, + /* 8164 */ { MAD_F(0x0504486a) /* 0.313545624 */, 19 }, + /* 8165 */ { MAD_F(0x05047e1d) /* 0.313596833 */, 19 }, + /* 8166 */ { MAD_F(0x0504b3cf) /* 0.313648044 */, 19 }, + /* 8167 */ { MAD_F(0x0504e983) /* 0.313699257 */, 19 }, + /* 8168 */ { MAD_F(0x05051f37) /* 0.313750472 */, 19 }, + /* 8169 */ { MAD_F(0x050554eb) /* 0.313801689 */, 19 }, + /* 8170 */ { MAD_F(0x05058aa0) /* 0.313852909 */, 19 }, + /* 8171 */ { MAD_F(0x0505c056) /* 0.313904130 */, 19 }, + /* 8172 */ { MAD_F(0x0505f60c) /* 0.313955354 */, 19 }, + /* 8173 */ { MAD_F(0x05062bc3) /* 0.314006579 */, 19 }, + /* 8174 */ { MAD_F(0x0506617a) /* 0.314057807 */, 19 }, + /* 8175 */ { MAD_F(0x05069732) /* 0.314109037 */, 19 }, + + /* 8176 */ { MAD_F(0x0506cceb) /* 0.314160269 */, 19 }, + /* 8177 */ { MAD_F(0x050702a4) /* 0.314211502 */, 19 }, + /* 8178 */ { MAD_F(0x0507385d) /* 0.314262739 */, 19 }, + /* 8179 */ { MAD_F(0x05076e17) /* 0.314313977 */, 19 }, + /* 8180 */ { MAD_F(0x0507a3d2) /* 0.314365217 */, 19 }, + /* 8181 */ { MAD_F(0x0507d98d) /* 0.314416459 */, 19 }, + /* 8182 */ { MAD_F(0x05080f49) /* 0.314467704 */, 19 }, + /* 8183 */ { MAD_F(0x05084506) /* 0.314518950 */, 19 }, + /* 8184 */ { MAD_F(0x05087ac2) /* 0.314570199 */, 19 }, + /* 8185 */ { MAD_F(0x0508b080) /* 0.314621449 */, 19 }, + /* 8186 */ { MAD_F(0x0508e63e) /* 0.314672702 */, 19 }, + /* 8187 */ { MAD_F(0x05091bfd) /* 0.314723957 */, 19 }, + /* 8188 */ { MAD_F(0x050951bc) /* 0.314775214 */, 19 }, + /* 8189 */ { MAD_F(0x0509877c) /* 0.314826473 */, 19 }, + /* 8190 */ { MAD_F(0x0509bd3c) /* 0.314877734 */, 19 }, + /* 8191 */ { MAD_F(0x0509f2fd) /* 0.314928997 */, 19 }, + + /* 8192 */ { MAD_F(0x050a28be) /* 0.314980262 */, 19 }, + /* 8193 */ { MAD_F(0x050a5e80) /* 0.315031530 */, 19 }, + /* 8194 */ { MAD_F(0x050a9443) /* 0.315082799 */, 19 }, + /* 8195 */ { MAD_F(0x050aca06) /* 0.315134071 */, 19 }, + /* 8196 */ { MAD_F(0x050affc9) /* 0.315185344 */, 19 }, + /* 8197 */ { MAD_F(0x050b358e) /* 0.315236620 */, 19 }, + /* 8198 */ { MAD_F(0x050b6b52) /* 0.315287898 */, 19 }, + /* 8199 */ { MAD_F(0x050ba118) /* 0.315339178 */, 19 }, + /* 8200 */ { MAD_F(0x050bd6de) /* 0.315390460 */, 19 }, + /* 8201 */ { MAD_F(0x050c0ca4) /* 0.315441744 */, 19 }, + /* 8202 */ { MAD_F(0x050c426b) /* 0.315493030 */, 19 }, + /* 8203 */ { MAD_F(0x050c7833) /* 0.315544318 */, 19 }, + /* 8204 */ { MAD_F(0x050cadfb) /* 0.315595608 */, 19 }, + /* 8205 */ { MAD_F(0x050ce3c4) /* 0.315646901 */, 19 }, + /* 8206 */ { MAD_F(0x050d198d) /* 0.315698195 */, 19 } diff --git a/audio_codec/libmad/sf_table.dat b/audio_codec/libmad/sf_table.dat new file mode 100755 index 0000000..db1484a --- a/dev/null +++ b/audio_codec/libmad/sf_table.dat @@ -0,0 +1,106 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: sf_table.dat,v 1.7 2004/01/23 09:41:33 rob Exp $ + */ + +/* + * These are the scalefactor values for Layer I and Layer II. + * The values are from Table B.1 of ISO/IEC 11172-3. + * + * There is some error introduced by the 32-bit fixed-point representation; + * the amount of error is shown. For 16-bit PCM output, this shouldn't be + * too much of a problem. + * + * Strictly speaking, Table B.1 has only 63 entries (0-62), thus a strict + * interpretation of ISO/IEC 11172-3 would suggest that a scalefactor index of + * 63 is invalid. However, for better compatibility with current practices, we + * add a 64th entry. + */ + + MAD_F(0x20000000), /* 2.000000000000 => 2.000000000000, e 0.000000000000 */ + MAD_F(0x1965fea5), /* 1.587401051968 => 1.587401051074, e 0.000000000894 */ + MAD_F(0x1428a2fa), /* 1.259921049895 => 1.259921051562, e -0.000000001667 */ + MAD_F(0x10000000), /* 1.000000000000 => 1.000000000000, e 0.000000000000 */ + MAD_F(0x0cb2ff53), /* 0.793700525984 => 0.793700527400, e -0.000000001416 */ + MAD_F(0x0a14517d), /* 0.629960524947 => 0.629960525781, e -0.000000000833 */ + MAD_F(0x08000000), /* 0.500000000000 => 0.500000000000, e 0.000000000000 */ + MAD_F(0x06597fa9), /* 0.396850262992 => 0.396850261837, e 0.000000001155 */ + + MAD_F(0x050a28be), /* 0.314980262474 => 0.314980261028, e 0.000000001446 */ + MAD_F(0x04000000), /* 0.250000000000 => 0.250000000000, e 0.000000000000 */ + MAD_F(0x032cbfd5), /* 0.198425131496 => 0.198425132781, e -0.000000001285 */ + MAD_F(0x0285145f), /* 0.157490131237 => 0.157490130514, e 0.000000000723 */ + MAD_F(0x02000000), /* 0.125000000000 => 0.125000000000, e 0.000000000000 */ + MAD_F(0x01965fea), /* 0.099212565748 => 0.099212564528, e 0.000000001220 */ + MAD_F(0x01428a30), /* 0.078745065618 => 0.078745067120, e -0.000000001501 */ + MAD_F(0x01000000), /* 0.062500000000 => 0.062500000000, e 0.000000000000 */ + + MAD_F(0x00cb2ff5), /* 0.049606282874 => 0.049606282264, e 0.000000000610 */ + MAD_F(0x00a14518), /* 0.039372532809 => 0.039372533560, e -0.000000000751 */ + MAD_F(0x00800000), /* 0.031250000000 => 0.031250000000, e 0.000000000000 */ + MAD_F(0x006597fb), /* 0.024803141437 => 0.024803142995, e -0.000000001558 */ + MAD_F(0x0050a28c), /* 0.019686266405 => 0.019686266780, e -0.000000000375 */ + MAD_F(0x00400000), /* 0.015625000000 => 0.015625000000, e 0.000000000000 */ + MAD_F(0x0032cbfd), /* 0.012401570719 => 0.012401569635, e 0.000000001084 */ + MAD_F(0x00285146), /* 0.009843133202 => 0.009843133390, e -0.000000000188 */ + + MAD_F(0x00200000), /* 0.007812500000 => 0.007812500000, e 0.000000000000 */ + MAD_F(0x001965ff), /* 0.006200785359 => 0.006200786680, e -0.000000001321 */ + MAD_F(0x001428a3), /* 0.004921566601 => 0.004921566695, e -0.000000000094 */ + MAD_F(0x00100000), /* 0.003906250000 => 0.003906250000, e 0.000000000000 */ + MAD_F(0x000cb2ff), /* 0.003100392680 => 0.003100391477, e 0.000000001202 */ + MAD_F(0x000a1451), /* 0.002460783301 => 0.002460781485, e 0.000000001816 */ + MAD_F(0x00080000), /* 0.001953125000 => 0.001953125000, e 0.000000000000 */ + MAD_F(0x00065980), /* 0.001550196340 => 0.001550197601, e -0.000000001262 */ + + MAD_F(0x00050a29), /* 0.001230391650 => 0.001230392605, e -0.000000000955 */ + MAD_F(0x00040000), /* 0.000976562500 => 0.000976562500, e 0.000000000000 */ + MAD_F(0x00032cc0), /* 0.000775098170 => 0.000775098801, e -0.000000000631 */ + MAD_F(0x00028514), /* 0.000615195825 => 0.000615194440, e 0.000000001385 */ + MAD_F(0x00020000), /* 0.000488281250 => 0.000488281250, e 0.000000000000 */ + MAD_F(0x00019660), /* 0.000387549085 => 0.000387549400, e -0.000000000315 */ + MAD_F(0x0001428a), /* 0.000307597913 => 0.000307597220, e 0.000000000693 */ + MAD_F(0x00010000), /* 0.000244140625 => 0.000244140625, e 0.000000000000 */ + + MAD_F(0x0000cb30), /* 0.000193774542 => 0.000193774700, e -0.000000000158 */ + MAD_F(0x0000a145), /* 0.000153798956 => 0.000153798610, e 0.000000000346 */ + MAD_F(0x00008000), /* 0.000122070313 => 0.000122070313, e 0.000000000000 */ + MAD_F(0x00006598), /* 0.000096887271 => 0.000096887350, e -0.000000000079 */ + MAD_F(0x000050a3), /* 0.000076899478 => 0.000076901168, e -0.000000001689 */ + MAD_F(0x00004000), /* 0.000061035156 => 0.000061035156, e 0.000000000000 */ + MAD_F(0x000032cc), /* 0.000048443636 => 0.000048443675, e -0.000000000039 */ + MAD_F(0x00002851), /* 0.000038449739 => 0.000038448721, e 0.000000001018 */ + + MAD_F(0x00002000), /* 0.000030517578 => 0.000030517578, e 0.000000000000 */ + MAD_F(0x00001966), /* 0.000024221818 => 0.000024221838, e -0.000000000020 */ + MAD_F(0x00001429), /* 0.000019224870 => 0.000019226223, e -0.000000001354 */ + MAD_F(0x00001000), /* 0.000015258789 => 0.000015258789, e -0.000000000000 */ + MAD_F(0x00000cb3), /* 0.000012110909 => 0.000012110919, e -0.000000000010 */ + MAD_F(0x00000a14), /* 0.000009612435 => 0.000009611249, e 0.000000001186 */ + MAD_F(0x00000800), /* 0.000007629395 => 0.000007629395, e -0.000000000000 */ + MAD_F(0x00000659), /* 0.000006055454 => 0.000006053597, e 0.000000001858 */ + + MAD_F(0x0000050a), /* 0.000004806217 => 0.000004805624, e 0.000000000593 */ + MAD_F(0x00000400), /* 0.000003814697 => 0.000003814697, e 0.000000000000 */ + MAD_F(0x0000032d), /* 0.000003027727 => 0.000003028661, e -0.000000000934 */ + MAD_F(0x00000285), /* 0.000002403109 => 0.000002402812, e 0.000000000296 */ + MAD_F(0x00000200), /* 0.000001907349 => 0.000001907349, e -0.000000000000 */ + MAD_F(0x00000196), /* 0.000001513864 => 0.000001512468, e 0.000000001396 */ + MAD_F(0x00000143), /* 0.000001201554 => 0.000001203269, e -0.000000001714 */ + MAD_F(0x00000000) /* this compatibility entry is not part of Table B.1 */ diff --git a/audio_codec/libmad/stream.c b/audio_codec/libmad/stream.c new file mode 100644 index 0000000..fea06da --- a/dev/null +++ b/audio_codec/libmad/stream.c @@ -0,0 +1,185 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: stream.c,v 1.12 2004/02/05 09:02:39 rob Exp $ + */ + +# ifdef HAVE_CONFIG_H +# include "config.h" +# endif + +# include "global.h" + +# include + +# include "bit.h" +# include "stream.h" + +/* + * NAME: stream->init() + * DESCRIPTION: initialize stream struct + */ +void mad_stream_init(struct mad_stream *stream) +{ + stream->buffer = 0; + stream->bufend = 0; + stream->skiplen = 0; + + stream->sync = 0; + stream->freerate = 0; + + stream->this_frame = 0; + stream->next_frame = 0; + mad_bit_init(&stream->ptr, 0); + + mad_bit_init(&stream->anc_ptr, 0); + stream->anc_bitlen = 0; + + stream->main_data = 0; + stream->md_len = 0; + + stream->options = 0; + stream->error = MAD_ERROR_NONE; +} + +/* + * NAME: stream->finish() + * DESCRIPTION: deallocate any dynamic memory associated with stream + */ +void mad_stream_finish(struct mad_stream *stream) +{ + if (stream->main_data) { + free(stream->main_data); + stream->main_data = 0; + } + + mad_bit_finish(&stream->anc_ptr); + mad_bit_finish(&stream->ptr); +} + +/* + * NAME: stream->buffer() + * DESCRIPTION: set stream buffer pointers + */ +void mad_stream_buffer(struct mad_stream *stream, + unsigned char const *buffer, unsigned long length) +{ + stream->buffer = buffer; + stream->bufend = buffer + length; + + stream->this_frame = buffer; + stream->next_frame = buffer; + + stream->sync = 1; + + mad_bit_init(&stream->ptr, buffer); +} + +/* + * NAME: stream->skip() + * DESCRIPTION: arrange to skip bytes before the next frame + */ +void mad_stream_skip(struct mad_stream *stream, unsigned long length) +{ + stream->skiplen += length; +} + +/* + * NAME: stream->sync() + * DESCRIPTION: locate the next stream sync word + */ +int mad_stream_sync(struct mad_stream *stream) +{ + register unsigned char const *ptr, *end; + + ptr = mad_bit_nextbyte(&stream->ptr); + end = stream->bufend; + + while (ptr < end - 1 && + !(ptr[0] == 0xff && (ptr[1] & 0xe0) == 0xe0)) { + ++ptr; + } + + if (end - ptr < MAD_BUFFER_GUARD) { + return -1; + } + + mad_bit_init(&stream->ptr, ptr); + + return 0; +} + +/* + * NAME: stream->errorstr() + * DESCRIPTION: return a string description of the current error condition + */ +char const *mad_stream_errorstr(struct mad_stream const *stream) +{ + switch (stream->error) { + case MAD_ERROR_NONE: + return "no error"; + + case MAD_ERROR_BUFLEN: + return "input buffer too small (or EOF)"; + case MAD_ERROR_BUFPTR: + return "invalid (null) buffer pointer"; + + case MAD_ERROR_NOMEM: + return "not enough memory"; + + case MAD_ERROR_LOSTSYNC: + return "lost synchronization"; + case MAD_ERROR_BADLAYER: + return "reserved header layer value"; + case MAD_ERROR_BADBITRATE: + return "forbidden bitrate value"; + case MAD_ERROR_BADSAMPLERATE: + return "reserved sample frequency value"; + case MAD_ERROR_BADEMPHASIS: + return "reserved emphasis value"; + + case MAD_ERROR_BADCRC: + return "CRC check failed"; + case MAD_ERROR_BADBITALLOC: + return "forbidden bit allocation value"; + case MAD_ERROR_BADSCALEFACTOR: + return "bad scalefactor index"; + case MAD_ERROR_BADMODE: + return "bad bitrate/mode combination"; + case MAD_ERROR_BADFRAMELEN: + return "bad frame length"; + case MAD_ERROR_BADBIGVALUES: + return "bad big_values count"; + case MAD_ERROR_BADBLOCKTYPE: + return "reserved block_type"; + case MAD_ERROR_BADSCFSI: + return "bad scalefactor selection info"; + case MAD_ERROR_BADDATAPTR: + return "bad main_data_begin pointer"; + case MAD_ERROR_BADPART3LEN: + return "bad audio data length"; + case MAD_ERROR_BADHUFFTABLE: + return "bad Huffman table select"; + case MAD_ERROR_BADHUFFDATA: + return "Huffman data overrun"; + case MAD_ERROR_BADSTEREO: + return "incompatible block_type for JS"; + } + + return 0; +} diff --git a/audio_codec/libmad/stream.h b/audio_codec/libmad/stream.h new file mode 100644 index 0000000..da6744d --- a/dev/null +++ b/audio_codec/libmad/stream.h @@ -0,0 +1,111 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: stream.h,v 1.20 2004/02/05 09:02:39 rob Exp $ + */ + +# ifndef LIBMAD_STREAM_H +# define LIBMAD_STREAM_H + +# include "bit.h" + +# define MAD_BUFFER_GUARD 8 +# define MAD_BUFFER_MDLEN (511 + 2048 + MAD_BUFFER_GUARD) + +enum mad_error { + MAD_ERROR_NONE = 0x0000, /* no error */ + + MAD_ERROR_BUFLEN = 0x0001, /* input buffer too small (or EOF) */ + MAD_ERROR_BUFPTR = 0x0002, /* invalid (null) buffer pointer */ + + MAD_ERROR_NOMEM = 0x0031, /* not enough memory */ + + MAD_ERROR_LOSTSYNC = 0x0101, /* lost synchronization */ + MAD_ERROR_BADLAYER = 0x0102, /* reserved header layer value */ + MAD_ERROR_BADBITRATE = 0x0103, /* forbidden bitrate value */ + MAD_ERROR_BADSAMPLERATE = 0x0104, /* reserved sample frequency value */ + MAD_ERROR_BADEMPHASIS = 0x0105, /* reserved emphasis value */ + + MAD_ERROR_BADCRC = 0x0201, /* CRC check failed */ + MAD_ERROR_BADBITALLOC = 0x0211, /* forbidden bit allocation value */ + MAD_ERROR_BADSCALEFACTOR = 0x0221, /* bad scalefactor index */ + MAD_ERROR_BADMODE = 0x0222, /* bad bitrate/mode combination */ + MAD_ERROR_BADFRAMELEN = 0x0231, /* bad frame length */ + MAD_ERROR_BADBIGVALUES = 0x0232, /* bad big_values count */ + MAD_ERROR_BADBLOCKTYPE = 0x0233, /* reserved block_type */ + MAD_ERROR_BADSCFSI = 0x0234, /* bad scalefactor selection info */ + MAD_ERROR_BADDATAPTR = 0x0235, /* bad main_data_begin pointer */ + MAD_ERROR_BADPART3LEN = 0x0236, /* bad audio data length */ + MAD_ERROR_BADHUFFTABLE = 0x0237, /* bad Huffman table select */ + MAD_ERROR_BADHUFFDATA = 0x0238, /* Huffman data overrun */ + MAD_ERROR_BADSTEREO = 0x0239 /* incompatible block_type for JS */ +}; + +# define MAD_RECOVERABLE(error) ((error) & 0xff00) + +struct mad_stream { + unsigned char const *buffer; /* input bitstream buffer */ + unsigned char const *bufend; /* end of buffer */ + unsigned long skiplen; /* bytes to skip before next frame */ + + int sync; /* stream sync found */ + unsigned long freerate; /* free bitrate (fixed) */ + + unsigned char const *this_frame; /* start of current frame */ + unsigned char const *next_frame; /* start of next frame */ + struct mad_bitptr ptr; /* current processing bit pointer */ + + struct mad_bitptr anc_ptr; /* ancillary bits pointer */ + unsigned int anc_bitlen; /* number of ancillary bits */ + + unsigned char(*main_data)[MAD_BUFFER_MDLEN]; + /* Layer III main_data() */ + unsigned int md_len; /* bytes in main_data */ + + int options; /* decoding options (see below) */ + enum mad_error error; /* error code (see above) */ + + unsigned int muted_samples; + unsigned int muted_count; +}; + +enum { + MAD_OPTION_IGNORECRC = 0x0001, /* ignore CRC errors */ + MAD_OPTION_HALFSAMPLERATE = 0x0002 /* generate PCM at 1/2 sample rate */ +# if 0 /* not yet implemented */ + MAD_OPTION_LEFTCHANNEL = 0x0010, /* decode left channel only */ + MAD_OPTION_RIGHTCHANNEL = 0x0020, /* decode right channel only */ + MAD_OPTION_SINGLECHANNEL = 0x0030 /* combine channels */ +# endif +}; + +void mad_stream_init(struct mad_stream *); +void mad_stream_finish(struct mad_stream *); + +# define mad_stream_options(stream, opts) \ + ((void) ((stream)->options = (opts))) + +void mad_stream_buffer(struct mad_stream *, + unsigned char const *, unsigned long); +void mad_stream_skip(struct mad_stream *, unsigned long); + +int mad_stream_sync(struct mad_stream *); + +char const *mad_stream_errorstr(struct mad_stream const *); + +# endif diff --git a/audio_codec/libmad/synth.c b/audio_codec/libmad/synth.c new file mode 100644 index 0000000..844af99 --- a/dev/null +++ b/audio_codec/libmad/synth.c @@ -0,0 +1,921 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: synth.c,v 1.25 2004/01/23 09:41:33 rob Exp $ + */ + +# ifdef HAVE_CONFIG_H +# include "config.h" +# endif + +# include "global.h" + +# include "fixed.h" +# include "frame.h" +# include "synth.h" + +/* + * NAME: synth->init() + * DESCRIPTION: initialize synth struct + */ +void mad_synth_init(struct mad_synth *synth) +{ + mad_synth_mute(synth); + + synth->phase = 0; + + synth->pcm.samplerate = 0; + synth->pcm.channels = 0; + synth->pcm.length = 0; +} + +/* + * NAME: synth->mute() + * DESCRIPTION: zero all polyphase filterbank values, resetting synthesis + */ +void mad_synth_mute(struct mad_synth *synth) +{ + unsigned int ch, s, v; + + for (ch = 0; ch < 2; ++ch) { + for (s = 0; s < 16; ++s) { + for (v = 0; v < 8; ++v) { + synth->filter[ch][0][0][s][v] = synth->filter[ch][0][1][s][v] = + synth->filter[ch][1][0][s][v] = synth->filter[ch][1][1][s][v] = 0; + } + } + } +} + +/* + * An optional optimization called here the Subband Synthesis Optimization + * (SSO) improves the performance of subband synthesis at the expense of + * accuracy. + * + * The idea is to simplify 32x32->64-bit multiplication to 32x32->32 such + * that extra scaling and rounding are not necessary. This often allows the + * compiler to use faster 32-bit multiply-accumulate instructions instead of + * explicit 64-bit multiply, shift, and add instructions. + * + * SSO works like this: a full 32x32->64-bit multiply of two mad_fixed_t + * values requires the result to be right-shifted 28 bits to be properly + * scaled to the same fixed-point format. Right shifts can be applied at any + * time to either operand or to the result, so the optimization involves + * careful placement of these shifts to minimize the loss of accuracy. + * + * First, a 14-bit shift is applied with rounding at compile-time to the D[] + * table of coefficients for the subband synthesis window. This only loses 2 + * bits of accuracy because the lower 12 bits are always zero. A second + * 12-bit shift occurs after the DCT calculation. This loses 12 bits of + * accuracy. Finally, a third 2-bit shift occurs just before the sample is + * saved in the PCM buffer. 14 + 12 + 2 == 28 bits. + */ + +/* FPM_DEFAULT without OPT_SSO will actually lose accuracy and performance */ + +# if defined(FPM_DEFAULT) && !defined(OPT_SSO) +# define OPT_SSO +# endif + +/* second SSO shift, with rounding */ + +# if defined(OPT_SSO) +# define SHIFT(x) (((x) + (1L << 11)) >> 12) +# else +# define SHIFT(x) (x) +# endif + +/* possible DCT speed optimization */ + +# if defined(OPT_SPEED) && defined(MAD_F_MLX) +# define OPT_DCTO +# define MUL(x, y) \ + ({ mad_fixed64hi_t hi; \ + mad_fixed64lo_t lo; \ + MAD_F_MLX(hi, lo, (x), (y)); \ + hi << (32 - MAD_F_SCALEBITS - 3); \ + }) +# else +# undef OPT_DCTO +# define MUL(x, y) mad_f_mul((x), (y)) +# endif + +/* + * NAME: dct32() + * DESCRIPTION: perform fast in[32]->out[32] DCT + */ +static +void dct32(mad_fixed_t const in[32], unsigned int slot, + mad_fixed_t lo[16][8], mad_fixed_t hi[16][8]) +{ + mad_fixed_t t0, t1, t2, t3, t4, t5, t6, t7; + mad_fixed_t t8, t9, t10, t11, t12, t13, t14, t15; + mad_fixed_t t16, t17, t18, t19, t20, t21, t22, t23; + mad_fixed_t t24, t25, t26, t27, t28, t29, t30, t31; + mad_fixed_t t32, t33, t34, t35, t36, t37, t38, t39; + mad_fixed_t t40, t41, t42, t43, t44, t45, t46, t47; + mad_fixed_t t48, t49, t50, t51, t52, t53, t54, t55; + mad_fixed_t t56, t57, t58, t59, t60, t61, t62, t63; + mad_fixed_t t64, t65, t66, t67, t68, t69, t70, t71; + mad_fixed_t t72, t73, t74, t75, t76, t77, t78, t79; + mad_fixed_t t80, t81, t82, t83, t84, t85, t86, t87; + mad_fixed_t t88, t89, t90, t91, t92, t93, t94, t95; + mad_fixed_t t96, t97, t98, t99, t100, t101, t102, t103; + mad_fixed_t t104, t105, t106, t107, t108, t109, t110, t111; + mad_fixed_t t112, t113, t114, t115, t116, t117, t118, t119; + mad_fixed_t t120, t121, t122, t123, t124, t125, t126, t127; + mad_fixed_t t128, t129, t130, t131, t132, t133, t134, t135; + mad_fixed_t t136, t137, t138, t139, t140, t141, t142, t143; + mad_fixed_t t144, t145, t146, t147, t148, t149, t150, t151; + mad_fixed_t t152, t153, t154, t155, t156, t157, t158, t159; + mad_fixed_t t160, t161, t162, t163, t164, t165, t166, t167; + mad_fixed_t t168, t169, t170, t171, t172, t173, t174, t175; + mad_fixed_t t176; + + /* costab[i] = cos(PI / (2 * 32) * i) */ + +# if defined(OPT_DCTO) +# define costab1 MAD_F(0x7fd8878e) +# define costab2 MAD_F(0x7f62368f) +# define costab3 MAD_F(0x7e9d55fc) +# define costab4 MAD_F(0x7d8a5f40) +# define costab5 MAD_F(0x7c29fbee) +# define costab6 MAD_F(0x7a7d055b) +# define costab7 MAD_F(0x78848414) +# define costab8 MAD_F(0x7641af3d) +# define costab9 MAD_F(0x73b5ebd1) +# define costab10 MAD_F(0x70e2cbc6) +# define costab11 MAD_F(0x6dca0d14) +# define costab12 MAD_F(0x6a6d98a4) +# define costab13 MAD_F(0x66cf8120) +# define costab14 MAD_F(0x62f201ac) +# define costab15 MAD_F(0x5ed77c8a) +# define costab16 MAD_F(0x5a82799a) +# define costab17 MAD_F(0x55f5a4d2) +# define costab18 MAD_F(0x5133cc94) +# define costab19 MAD_F(0x4c3fdff4) +# define costab20 MAD_F(0x471cece7) +# define costab21 MAD_F(0x41ce1e65) +# define costab22 MAD_F(0x3c56ba70) +# define costab23 MAD_F(0x36ba2014) +# define costab24 MAD_F(0x30fbc54d) +# define costab25 MAD_F(0x2b1f34eb) +# define costab26 MAD_F(0x25280c5e) +# define costab27 MAD_F(0x1f19f97b) +# define costab28 MAD_F(0x18f8b83c) +# define costab29 MAD_F(0x12c8106f) +# define costab30 MAD_F(0x0c8bd35e) +# define costab31 MAD_F(0x0647d97c) +# else +# define costab1 MAD_F(0x0ffb10f2) /* 0.998795456 */ +# define costab2 MAD_F(0x0fec46d2) /* 0.995184727 */ +# define costab3 MAD_F(0x0fd3aac0) /* 0.989176510 */ +# define costab4 MAD_F(0x0fb14be8) /* 0.980785280 */ +# define costab5 MAD_F(0x0f853f7e) /* 0.970031253 */ +# define costab6 MAD_F(0x0f4fa0ab) /* 0.956940336 */ +# define costab7 MAD_F(0x0f109082) /* 0.941544065 */ +# define costab8 MAD_F(0x0ec835e8) /* 0.923879533 */ +# define costab9 MAD_F(0x0e76bd7a) /* 0.903989293 */ +# define costab10 MAD_F(0x0e1c5979) /* 0.881921264 */ +# define costab11 MAD_F(0x0db941a3) /* 0.857728610 */ +# define costab12 MAD_F(0x0d4db315) /* 0.831469612 */ +# define costab13 MAD_F(0x0cd9f024) /* 0.803207531 */ +# define costab14 MAD_F(0x0c5e4036) /* 0.773010453 */ +# define costab15 MAD_F(0x0bdaef91) /* 0.740951125 */ +# define costab16 MAD_F(0x0b504f33) /* 0.707106781 */ +# define costab17 MAD_F(0x0abeb49a) /* 0.671558955 */ +# define costab18 MAD_F(0x0a267993) /* 0.634393284 */ +# define costab19 MAD_F(0x0987fbfe) /* 0.595699304 */ +# define costab20 MAD_F(0x08e39d9d) /* 0.555570233 */ +# define costab21 MAD_F(0x0839c3cd) /* 0.514102744 */ +# define costab22 MAD_F(0x078ad74e) /* 0.471396737 */ +# define costab23 MAD_F(0x06d74402) /* 0.427555093 */ +# define costab24 MAD_F(0x061f78aa) /* 0.382683432 */ +# define costab25 MAD_F(0x0563e69d) /* 0.336889853 */ +# define costab26 MAD_F(0x04a5018c) /* 0.290284677 */ +# define costab27 MAD_F(0x03e33f2f) /* 0.242980180 */ +# define costab28 MAD_F(0x031f1708) /* 0.195090322 */ +# define costab29 MAD_F(0x0259020e) /* 0.146730474 */ +# define costab30 MAD_F(0x01917a6c) /* 0.098017140 */ +# define costab31 MAD_F(0x00c8fb30) /* 0.049067674 */ +# endif + + t0 = in[0] + in[31]; + t16 = MUL(in[0] - in[31], costab1); + t1 = in[15] + in[16]; + t17 = MUL(in[15] - in[16], costab31); + + t41 = t16 + t17; + t59 = MUL(t16 - t17, costab2); + t33 = t0 + t1; + t50 = MUL(t0 - t1, costab2); + + t2 = in[7] + in[24]; + t18 = MUL(in[7] - in[24], costab15); + t3 = in[8] + in[23]; + t19 = MUL(in[8] - in[23], costab17); + + t42 = t18 + t19; + t60 = MUL(t18 - t19, costab30); + t34 = t2 + t3; + t51 = MUL(t2 - t3, costab30); + + t4 = in[3] + in[28]; + t20 = MUL(in[3] - in[28], costab7); + t5 = in[12] + in[19]; + t21 = MUL(in[12] - in[19], costab25); + + t43 = t20 + t21; + t61 = MUL(t20 - t21, costab14); + t35 = t4 + t5; + t52 = MUL(t4 - t5, costab14); + + t6 = in[4] + in[27]; + t22 = MUL(in[4] - in[27], costab9); + t7 = in[11] + in[20]; + t23 = MUL(in[11] - in[20], costab23); + + t44 = t22 + t23; + t62 = MUL(t22 - t23, costab18); + t36 = t6 + t7; + t53 = MUL(t6 - t7, costab18); + + t8 = in[1] + in[30]; + t24 = MUL(in[1] - in[30], costab3); + t9 = in[14] + in[17]; + t25 = MUL(in[14] - in[17], costab29); + + t45 = t24 + t25; + t63 = MUL(t24 - t25, costab6); + t37 = t8 + t9; + t54 = MUL(t8 - t9, costab6); + + t10 = in[6] + in[25]; + t26 = MUL(in[6] - in[25], costab13); + t11 = in[9] + in[22]; + t27 = MUL(in[9] - in[22], costab19); + + t46 = t26 + t27; + t64 = MUL(t26 - t27, costab26); + t38 = t10 + t11; + t55 = MUL(t10 - t11, costab26); + + t12 = in[2] + in[29]; + t28 = MUL(in[2] - in[29], costab5); + t13 = in[13] + in[18]; + t29 = MUL(in[13] - in[18], costab27); + + t47 = t28 + t29; + t65 = MUL(t28 - t29, costab10); + t39 = t12 + t13; + t56 = MUL(t12 - t13, costab10); + + t14 = in[5] + in[26]; + t30 = MUL(in[5] - in[26], costab11); + t15 = in[10] + in[21]; + t31 = MUL(in[10] - in[21], costab21); + + t48 = t30 + t31; + t66 = MUL(t30 - t31, costab22); + t40 = t14 + t15; + t57 = MUL(t14 - t15, costab22); + + t69 = t33 + t34; + t89 = MUL(t33 - t34, costab4); + t70 = t35 + t36; + t90 = MUL(t35 - t36, costab28); + t71 = t37 + t38; + t91 = MUL(t37 - t38, costab12); + t72 = t39 + t40; + t92 = MUL(t39 - t40, costab20); + t73 = t41 + t42; + t94 = MUL(t41 - t42, costab4); + t74 = t43 + t44; + t95 = MUL(t43 - t44, costab28); + t75 = t45 + t46; + t96 = MUL(t45 - t46, costab12); + t76 = t47 + t48; + t97 = MUL(t47 - t48, costab20); + + t78 = t50 + t51; + t100 = MUL(t50 - t51, costab4); + t79 = t52 + t53; + t101 = MUL(t52 - t53, costab28); + t80 = t54 + t55; + t102 = MUL(t54 - t55, costab12); + t81 = t56 + t57; + t103 = MUL(t56 - t57, costab20); + + t83 = t59 + t60; + t106 = MUL(t59 - t60, costab4); + t84 = t61 + t62; + t107 = MUL(t61 - t62, costab28); + t85 = t63 + t64; + t108 = MUL(t63 - t64, costab12); + t86 = t65 + t66; + t109 = MUL(t65 - t66, costab20); + + t113 = t69 + t70; + t114 = t71 + t72; + + /* 0 */ + hi[15][slot] = SHIFT(t113 + t114); + /* 16 */ + lo[ 0][slot] = SHIFT(MUL(t113 - t114, costab16)); + + t115 = t73 + t74; + t116 = t75 + t76; + + t32 = t115 + t116; + + /* 1 */ + hi[14][slot] = SHIFT(t32); + + t118 = t78 + t79; + t119 = t80 + t81; + + t58 = t118 + t119; + + /* 2 */ + hi[13][slot] = SHIFT(t58); + + t121 = t83 + t84; + t122 = t85 + t86; + + t67 = t121 + t122; + + t49 = (t67 * 2) - t32; + + /* 3 */ + hi[12][slot] = SHIFT(t49); + + t125 = t89 + t90; + t126 = t91 + t92; + + t93 = t125 + t126; + + /* 4 */ + hi[11][slot] = SHIFT(t93); + + t128 = t94 + t95; + t129 = t96 + t97; + + t98 = t128 + t129; + + t68 = (t98 * 2) - t49; + + /* 5 */ + hi[10][slot] = SHIFT(t68); + + t132 = t100 + t101; + t133 = t102 + t103; + + t104 = t132 + t133; + + t82 = (t104 * 2) - t58; + + /* 6 */ + hi[ 9][slot] = SHIFT(t82); + + t136 = t106 + t107; + t137 = t108 + t109; + + t110 = t136 + t137; + + t87 = (t110 * 2) - t67; + + t77 = (t87 * 2) - t68; + + /* 7 */ + hi[ 8][slot] = SHIFT(t77); + + t141 = MUL(t69 - t70, costab8); + t142 = MUL(t71 - t72, costab24); + t143 = t141 + t142; + + /* 8 */ + hi[ 7][slot] = SHIFT(t143); + /* 24 */ + lo[ 8][slot] = + SHIFT((MUL(t141 - t142, costab16) * 2) - t143); + + t144 = MUL(t73 - t74, costab8); + t145 = MUL(t75 - t76, costab24); + t146 = t144 + t145; + + t88 = (t146 * 2) - t77; + + /* 9 */ + hi[ 6][slot] = SHIFT(t88); + + t148 = MUL(t78 - t79, costab8); + t149 = MUL(t80 - t81, costab24); + t150 = t148 + t149; + + t105 = (t150 * 2) - t82; + + /* 10 */ + hi[ 5][slot] = SHIFT(t105); + + t152 = MUL(t83 - t84, costab8); + t153 = MUL(t85 - t86, costab24); + t154 = t152 + t153; + + t111 = (t154 * 2) - t87; + + t99 = (t111 * 2) - t88; + + /* 11 */ + hi[ 4][slot] = SHIFT(t99); + + t157 = MUL(t89 - t90, costab8); + t158 = MUL(t91 - t92, costab24); + t159 = t157 + t158; + + t127 = (t159 * 2) - t93; + + /* 12 */ + hi[ 3][slot] = SHIFT(t127); + + t160 = (MUL(t125 - t126, costab16) * 2) - t127; + + /* 20 */ + lo[ 4][slot] = SHIFT(t160); + /* 28 */ + lo[12][slot] = + SHIFT((((MUL(t157 - t158, costab16) * 2) - t159) * 2) - t160); + + t161 = MUL(t94 - t95, costab8); + t162 = MUL(t96 - t97, costab24); + t163 = t161 + t162; + + t130 = (t163 * 2) - t98; + + t112 = (t130 * 2) - t99; + + /* 13 */ + hi[ 2][slot] = SHIFT(t112); + + t164 = (MUL(t128 - t129, costab16) * 2) - t130; + + t166 = MUL(t100 - t101, costab8); + t167 = MUL(t102 - t103, costab24); + t168 = t166 + t167; + + t134 = (t168 * 2) - t104; + + t120 = (t134 * 2) - t105; + + /* 14 */ + hi[ 1][slot] = SHIFT(t120); + + t135 = (MUL(t118 - t119, costab16) * 2) - t120; + + /* 18 */ + lo[ 2][slot] = SHIFT(t135); + + t169 = (MUL(t132 - t133, costab16) * 2) - t134; + + t151 = (t169 * 2) - t135; + + /* 22 */ + lo[ 6][slot] = SHIFT(t151); + + t170 = (((MUL(t148 - t149, costab16) * 2) - t150) * 2) - t151; + + /* 26 */ + lo[10][slot] = SHIFT(t170); + /* 30 */ + lo[14][slot] = + SHIFT((((((MUL(t166 - t167, costab16) * 2) - + t168) * 2) - t169) * 2) - t170); + + t171 = MUL(t106 - t107, costab8); + t172 = MUL(t108 - t109, costab24); + t173 = t171 + t172; + + t138 = (t173 * 2) - t110; + + t123 = (t138 * 2) - t111; + + t139 = (MUL(t121 - t122, costab16) * 2) - t123; + + t117 = (t123 * 2) - t112; + + /* 15 */ + hi[ 0][slot] = SHIFT(t117); + + t124 = (MUL(t115 - t116, costab16) * 2) - t117; + + /* 17 */ + lo[ 1][slot] = SHIFT(t124); + + t131 = (t139 * 2) - t124; + + /* 19 */ + lo[ 3][slot] = SHIFT(t131); + + t140 = (t164 * 2) - t131; + + /* 21 */ + lo[ 5][slot] = SHIFT(t140); + + t174 = (MUL(t136 - t137, costab16) * 2) - t138; + + t155 = (t174 * 2) - t139; + + t147 = (t155 * 2) - t140; + + /* 23 */ + lo[ 7][slot] = SHIFT(t147); + + t156 = (((MUL(t144 - t145, costab16) * 2) - t146) * 2) - t147; + + /* 25 */ + lo[ 9][slot] = SHIFT(t156); + + t175 = (((MUL(t152 - t153, costab16) * 2) - t154) * 2) - t155; + + t165 = (t175 * 2) - t156; + + /* 27 */ + lo[11][slot] = SHIFT(t165); + + t176 = (((((MUL(t161 - t162, costab16) * 2) - + t163) * 2) - t164) * 2) - t165; + + /* 29 */ + lo[13][slot] = SHIFT(t176); + /* 31 */ + lo[15][slot] = + SHIFT((((((((MUL(t171 - t172, costab16) * 2) - + t173) * 2) - t174) * 2) - t175) * 2) - t176); + + /* + * Totals: + * 80 multiplies + * 80 additions + * 119 subtractions + * 49 shifts (not counting SSO) + */ +} + +# undef MUL +# undef SHIFT + +/* third SSO shift and/or D[] optimization preshift */ + +# if defined(OPT_SSO) +# if MAD_F_FRACBITS != 28 +# error "MAD_F_FRACBITS must be 28 to use OPT_SSO" +# endif +# define ML0(hi, lo, x, y) ((lo) = (x) * (y)) +# define MLA(hi, lo, x, y) ((lo) += (x) * (y)) +# define MLN(hi, lo) ((lo) = -(lo)) +# define MLZ(hi, lo) ((void) (hi), (mad_fixed_t) (lo)) +# define SHIFT(x) ((x) >> 2) +# define PRESHIFT(x) ((MAD_F(x) + (1L << 13)) >> 14) +# else +# define ML0(hi, lo, x, y) MAD_F_ML0((hi), (lo), (x), (y)) +# define MLA(hi, lo, x, y) MAD_F_MLA((hi), (lo), (x), (y)) +# define MLN(hi, lo) MAD_F_MLN((hi), (lo)) +# define MLZ(hi, lo) MAD_F_MLZ((hi), (lo)) +# define SHIFT(x) (x) +# if defined(MAD_F_SCALEBITS) +# undef MAD_F_SCALEBITS +# define MAD_F_SCALEBITS (MAD_F_FRACBITS - 12) +# define PRESHIFT(x) (MAD_F(x) >> 12) +# else +# define PRESHIFT(x) MAD_F(x) +# endif +# endif + +static +mad_fixed_t const D[17][32] = { +# include "D.dat" +}; + +# if defined(ASO_SYNTH) +void synth_full(struct mad_synth *, struct mad_frame const *, + unsigned int, unsigned int); +# else +/* + * NAME: synth->full() + * DESCRIPTION: perform full frequency PCM synthesis + */ +static +void synth_full(struct mad_synth *synth, struct mad_frame const *frame, + unsigned int nch, unsigned int ns) +{ + unsigned int phase, ch, s, sb, pe, po; + mad_fixed_t *pcm1, *pcm2, (*filter)[2][2][16][8]; + mad_fixed_t const(*sbsample)[36][32]; + register mad_fixed_t (*fe)[8], (*fx)[8], (*fo)[8]; + register mad_fixed_t const(*Dptr)[32], *ptr; + register mad_fixed64hi_t hi; + register mad_fixed64lo_t lo; + + for (ch = 0; ch < nch; ++ch) { + sbsample = &frame->sbsample[ch]; + filter = &synth->filter[ch]; + phase = synth->phase; + pcm1 = synth->pcm.samples[ch]; + + for (s = 0; s < ns; ++s) { + dct32((*sbsample)[s], phase >> 1, + (*filter)[0][phase & 1], (*filter)[1][phase & 1]); + + pe = phase & ~1; + po = ((phase - 1) & 0xf) | 1; + + /* calculate 32 samples */ + + fe = &(*filter)[0][ phase & 1][0]; + fx = &(*filter)[0][~phase & 1][0]; + fo = &(*filter)[1][~phase & 1][0]; + + Dptr = &D[0]; + + ptr = *Dptr + po; + ML0(hi, lo, (*fx)[0], ptr[ 0]); + MLA(hi, lo, (*fx)[1], ptr[14]); + MLA(hi, lo, (*fx)[2], ptr[12]); + MLA(hi, lo, (*fx)[3], ptr[10]); + MLA(hi, lo, (*fx)[4], ptr[ 8]); + MLA(hi, lo, (*fx)[5], ptr[ 6]); + MLA(hi, lo, (*fx)[6], ptr[ 4]); + MLA(hi, lo, (*fx)[7], ptr[ 2]); + MLN(hi, lo); + + ptr = *Dptr + pe; + MLA(hi, lo, (*fe)[0], ptr[ 0]); + MLA(hi, lo, (*fe)[1], ptr[14]); + MLA(hi, lo, (*fe)[2], ptr[12]); + MLA(hi, lo, (*fe)[3], ptr[10]); + MLA(hi, lo, (*fe)[4], ptr[ 8]); + MLA(hi, lo, (*fe)[5], ptr[ 6]); + MLA(hi, lo, (*fe)[6], ptr[ 4]); + MLA(hi, lo, (*fe)[7], ptr[ 2]); + + *pcm1++ = SHIFT(MLZ(hi, lo)); + + pcm2 = pcm1 + 30; + + for (sb = 1; sb < 16; ++sb) { + ++fe; + ++Dptr; + + /* D[32 - sb][i] == -D[sb][31 - i] */ + + ptr = *Dptr + po; + ML0(hi, lo, (*fo)[0], ptr[ 0]); + MLA(hi, lo, (*fo)[1], ptr[14]); + MLA(hi, lo, (*fo)[2], ptr[12]); + MLA(hi, lo, (*fo)[3], ptr[10]); + MLA(hi, lo, (*fo)[4], ptr[ 8]); + MLA(hi, lo, (*fo)[5], ptr[ 6]); + MLA(hi, lo, (*fo)[6], ptr[ 4]); + MLA(hi, lo, (*fo)[7], ptr[ 2]); + MLN(hi, lo); + + ptr = *Dptr + pe; + MLA(hi, lo, (*fe)[7], ptr[ 2]); + MLA(hi, lo, (*fe)[6], ptr[ 4]); + MLA(hi, lo, (*fe)[5], ptr[ 6]); + MLA(hi, lo, (*fe)[4], ptr[ 8]); + MLA(hi, lo, (*fe)[3], ptr[10]); + MLA(hi, lo, (*fe)[2], ptr[12]); + MLA(hi, lo, (*fe)[1], ptr[14]); + MLA(hi, lo, (*fe)[0], ptr[ 0]); + + *pcm1++ = SHIFT(MLZ(hi, lo)); + + ptr = *Dptr - pe; + ML0(hi, lo, (*fe)[0], ptr[31 - 16]); + MLA(hi, lo, (*fe)[1], ptr[31 - 14]); + MLA(hi, lo, (*fe)[2], ptr[31 - 12]); + MLA(hi, lo, (*fe)[3], ptr[31 - 10]); + MLA(hi, lo, (*fe)[4], ptr[31 - 8]); + MLA(hi, lo, (*fe)[5], ptr[31 - 6]); + MLA(hi, lo, (*fe)[6], ptr[31 - 4]); + MLA(hi, lo, (*fe)[7], ptr[31 - 2]); + + ptr = *Dptr - po; + MLA(hi, lo, (*fo)[7], ptr[31 - 2]); + MLA(hi, lo, (*fo)[6], ptr[31 - 4]); + MLA(hi, lo, (*fo)[5], ptr[31 - 6]); + MLA(hi, lo, (*fo)[4], ptr[31 - 8]); + MLA(hi, lo, (*fo)[3], ptr[31 - 10]); + MLA(hi, lo, (*fo)[2], ptr[31 - 12]); + MLA(hi, lo, (*fo)[1], ptr[31 - 14]); + MLA(hi, lo, (*fo)[0], ptr[31 - 16]); + + *pcm2-- = SHIFT(MLZ(hi, lo)); + + ++fo; + } + + ++Dptr; + + ptr = *Dptr + po; + ML0(hi, lo, (*fo)[0], ptr[ 0]); + MLA(hi, lo, (*fo)[1], ptr[14]); + MLA(hi, lo, (*fo)[2], ptr[12]); + MLA(hi, lo, (*fo)[3], ptr[10]); + MLA(hi, lo, (*fo)[4], ptr[ 8]); + MLA(hi, lo, (*fo)[5], ptr[ 6]); + MLA(hi, lo, (*fo)[6], ptr[ 4]); + MLA(hi, lo, (*fo)[7], ptr[ 2]); + + *pcm1 = SHIFT(-MLZ(hi, lo)); + pcm1 += 16; + + phase = (phase + 1) % 16; + } + } +} +# endif + +/* + * NAME: synth->half() + * DESCRIPTION: perform half frequency PCM synthesis + */ +static +void synth_half(struct mad_synth *synth, struct mad_frame const *frame, + unsigned int nch, unsigned int ns) +{ + unsigned int phase, ch, s, sb, pe, po; + mad_fixed_t *pcm1, *pcm2, (*filter)[2][2][16][8]; + mad_fixed_t const(*sbsample)[36][32]; + register mad_fixed_t (*fe)[8], (*fx)[8], (*fo)[8]; + register mad_fixed_t const(*Dptr)[32], *ptr; + register mad_fixed64hi_t hi; + register mad_fixed64lo_t lo; + + for (ch = 0; ch < nch; ++ch) { + sbsample = &frame->sbsample[ch]; + filter = &synth->filter[ch]; + phase = synth->phase; + pcm1 = synth->pcm.samples[ch]; + + for (s = 0; s < ns; ++s) { + dct32((*sbsample)[s], phase >> 1, + (*filter)[0][phase & 1], (*filter)[1][phase & 1]); + + pe = phase & ~1; + po = ((phase - 1) & 0xf) | 1; + + /* calculate 16 samples */ + + fe = &(*filter)[0][ phase & 1][0]; + fx = &(*filter)[0][~phase & 1][0]; + fo = &(*filter)[1][~phase & 1][0]; + + Dptr = &D[0]; + + ptr = *Dptr + po; + ML0(hi, lo, (*fx)[0], ptr[ 0]); + MLA(hi, lo, (*fx)[1], ptr[14]); + MLA(hi, lo, (*fx)[2], ptr[12]); + MLA(hi, lo, (*fx)[3], ptr[10]); + MLA(hi, lo, (*fx)[4], ptr[ 8]); + MLA(hi, lo, (*fx)[5], ptr[ 6]); + MLA(hi, lo, (*fx)[6], ptr[ 4]); + MLA(hi, lo, (*fx)[7], ptr[ 2]); + MLN(hi, lo); + + ptr = *Dptr + pe; + MLA(hi, lo, (*fe)[0], ptr[ 0]); + MLA(hi, lo, (*fe)[1], ptr[14]); + MLA(hi, lo, (*fe)[2], ptr[12]); + MLA(hi, lo, (*fe)[3], ptr[10]); + MLA(hi, lo, (*fe)[4], ptr[ 8]); + MLA(hi, lo, (*fe)[5], ptr[ 6]); + MLA(hi, lo, (*fe)[6], ptr[ 4]); + MLA(hi, lo, (*fe)[7], ptr[ 2]); + + *pcm1++ = SHIFT(MLZ(hi, lo)); + + pcm2 = pcm1 + 14; + + for (sb = 1; sb < 16; ++sb) { + ++fe; + ++Dptr; + + /* D[32 - sb][i] == -D[sb][31 - i] */ + + if (!(sb & 1)) { + ptr = *Dptr + po; + ML0(hi, lo, (*fo)[0], ptr[ 0]); + MLA(hi, lo, (*fo)[1], ptr[14]); + MLA(hi, lo, (*fo)[2], ptr[12]); + MLA(hi, lo, (*fo)[3], ptr[10]); + MLA(hi, lo, (*fo)[4], ptr[ 8]); + MLA(hi, lo, (*fo)[5], ptr[ 6]); + MLA(hi, lo, (*fo)[6], ptr[ 4]); + MLA(hi, lo, (*fo)[7], ptr[ 2]); + MLN(hi, lo); + + ptr = *Dptr + pe; + MLA(hi, lo, (*fe)[7], ptr[ 2]); + MLA(hi, lo, (*fe)[6], ptr[ 4]); + MLA(hi, lo, (*fe)[5], ptr[ 6]); + MLA(hi, lo, (*fe)[4], ptr[ 8]); + MLA(hi, lo, (*fe)[3], ptr[10]); + MLA(hi, lo, (*fe)[2], ptr[12]); + MLA(hi, lo, (*fe)[1], ptr[14]); + MLA(hi, lo, (*fe)[0], ptr[ 0]); + + *pcm1++ = SHIFT(MLZ(hi, lo)); + + ptr = *Dptr - po; + ML0(hi, lo, (*fo)[7], ptr[31 - 2]); + MLA(hi, lo, (*fo)[6], ptr[31 - 4]); + MLA(hi, lo, (*fo)[5], ptr[31 - 6]); + MLA(hi, lo, (*fo)[4], ptr[31 - 8]); + MLA(hi, lo, (*fo)[3], ptr[31 - 10]); + MLA(hi, lo, (*fo)[2], ptr[31 - 12]); + MLA(hi, lo, (*fo)[1], ptr[31 - 14]); + MLA(hi, lo, (*fo)[0], ptr[31 - 16]); + + ptr = *Dptr - pe; + MLA(hi, lo, (*fe)[0], ptr[31 - 16]); + MLA(hi, lo, (*fe)[1], ptr[31 - 14]); + MLA(hi, lo, (*fe)[2], ptr[31 - 12]); + MLA(hi, lo, (*fe)[3], ptr[31 - 10]); + MLA(hi, lo, (*fe)[4], ptr[31 - 8]); + MLA(hi, lo, (*fe)[5], ptr[31 - 6]); + MLA(hi, lo, (*fe)[6], ptr[31 - 4]); + MLA(hi, lo, (*fe)[7], ptr[31 - 2]); + + *pcm2-- = SHIFT(MLZ(hi, lo)); + } + + ++fo; + } + + ++Dptr; + + ptr = *Dptr + po; + ML0(hi, lo, (*fo)[0], ptr[ 0]); + MLA(hi, lo, (*fo)[1], ptr[14]); + MLA(hi, lo, (*fo)[2], ptr[12]); + MLA(hi, lo, (*fo)[3], ptr[10]); + MLA(hi, lo, (*fo)[4], ptr[ 8]); + MLA(hi, lo, (*fo)[5], ptr[ 6]); + MLA(hi, lo, (*fo)[6], ptr[ 4]); + MLA(hi, lo, (*fo)[7], ptr[ 2]); + + *pcm1 = SHIFT(-MLZ(hi, lo)); + pcm1 += 8; + + phase = (phase + 1) % 16; + } + } +} + +/* + * NAME: synth->frame() + * DESCRIPTION: perform PCM synthesis of frame subband samples + */ +void mad_synth_frame(struct mad_synth *synth, struct mad_frame const *frame) +{ + unsigned int nch, ns; + void (*synth_frame)(struct mad_synth *, struct mad_frame const *, + unsigned int, unsigned int); + + nch = MAD_NCHANNELS(&frame->header); + ns = MAD_NSBSAMPLES(&frame->header); + + synth->pcm.samplerate = frame->header.samplerate; + synth->pcm.channels = nch; + synth->pcm.length = 32 * ns; + + synth_frame = synth_full; + + if (frame->options & MAD_OPTION_HALFSAMPLERATE) { + synth->pcm.samplerate /= 2; + synth->pcm.length /= 2; + + synth_frame = synth_half; + } + + synth_frame(synth, frame, nch, ns); + + synth->phase = (synth->phase + ns) % 16; +} diff --git a/audio_codec/libmad/synth.h b/audio_codec/libmad/synth.h new file mode 100644 index 0000000..fbeaf72 --- a/dev/null +++ b/audio_codec/libmad/synth.h @@ -0,0 +1,69 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: synth.h,v 1.15 2004/01/23 09:41:33 rob Exp $ + */ + +# ifndef LIBMAD_SYNTH_H +# define LIBMAD_SYNTH_H + +# include "fixed.h" +# include "frame.h" + +struct mad_pcm { + unsigned int samplerate; /* sampling frequency (Hz) */ + unsigned short channels; /* number of channels */ + unsigned short length; /* number of samples per channel */ + mad_fixed_t samples[2][1152]; /* PCM output samples [ch][sample] */ +}; + +struct mad_synth { + mad_fixed_t filter[2][2][2][16][8]; /* polyphase filterbank outputs */ + /* [ch][eo][peo][s][v] */ + + unsigned int phase; /* current processing phase */ + + struct mad_pcm pcm; /* PCM output */ +}; + +/* single channel PCM selector */ +enum { + MAD_PCM_CHANNEL_SINGLE = 0 +}; + +/* dual channel PCM selector */ +enum { + MAD_PCM_CHANNEL_DUAL_1 = 0, + MAD_PCM_CHANNEL_DUAL_2 = 1 +}; + +/* stereo PCM selector */ +enum { + MAD_PCM_CHANNEL_STEREO_LEFT = 0, + MAD_PCM_CHANNEL_STEREO_RIGHT = 1 +}; + +void mad_synth_init(struct mad_synth *); + +# define mad_synth_finish(synth) /* nothing */ + +void mad_synth_mute(struct mad_synth *); + +void mad_synth_frame(struct mad_synth *, struct mad_frame const *); + +# endif diff --git a/audio_codec/libmad/timer.c b/audio_codec/libmad/timer.c new file mode 100644 index 0000000..ea80706 --- a/dev/null +++ b/audio_codec/libmad/timer.c @@ -0,0 +1,493 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: timer.c,v 1.18 2004/01/23 09:41:33 rob Exp $ + */ + +# ifdef HAVE_CONFIG_H +# include "config.h" +# endif + +# include "global.h" + +# include + +# ifdef HAVE_ASSERT_H +# include +# endif + +# include "timer.h" + +mad_timer_t const mad_timer_zero = { 0, 0 }; + +/* + * NAME: timer->compare() + * DESCRIPTION: indicate relative order of two timers + */ +int mad_timer_compare(mad_timer_t timer1, mad_timer_t timer2) +{ + signed long diff; + + diff = timer1.seconds - timer2.seconds; + if (diff < 0) { + return -1; + } else if (diff > 0) { + return +1; + } + + diff = timer1.fraction - timer2.fraction; + if (diff < 0) { + return -1; + } else if (diff > 0) { + return +1; + } + + return 0; +} + +/* + * NAME: timer->negate() + * DESCRIPTION: invert the sign of a timer + */ +void mad_timer_negate(mad_timer_t *timer) +{ + timer->seconds = -timer->seconds; + + if (timer->fraction) { + timer->seconds -= 1; + timer->fraction = MAD_TIMER_RESOLUTION - timer->fraction; + } +} + +/* + * NAME: timer->abs() + * DESCRIPTION: return the absolute value of a timer + */ +mad_timer_t mad_timer_abs(mad_timer_t timer) +{ + if (timer.seconds < 0) { + mad_timer_negate(&timer); + } + + return timer; +} + +/* + * NAME: reduce_timer() + * DESCRIPTION: carry timer fraction into seconds + */ +static +void reduce_timer(mad_timer_t *timer) +{ + timer->seconds += timer->fraction / MAD_TIMER_RESOLUTION; + timer->fraction %= MAD_TIMER_RESOLUTION; +} + +/* + * NAME: gcd() + * DESCRIPTION: compute greatest common denominator + */ +static +unsigned long gcd(unsigned long num1, unsigned long num2) +{ + unsigned long tmp; + + while (num2) { + tmp = num2; + num2 = num1 % num2; + num1 = tmp; + } + + return num1; +} + +/* + * NAME: reduce_rational() + * DESCRIPTION: convert rational expression to lowest terms + */ +static +void reduce_rational(unsigned long *numer, unsigned long *denom) +{ + unsigned long factor; + + factor = gcd(*numer, *denom); + + assert(factor != 0); + + *numer /= factor; + *denom /= factor; +} + +/* + * NAME: scale_rational() + * DESCRIPTION: solve numer/denom == ?/scale avoiding overflowing + */ +static +unsigned long scale_rational(unsigned long numer, unsigned long denom, + unsigned long scale) +{ + reduce_rational(&numer, &denom); + reduce_rational(&scale, &denom); + + assert(denom != 0); + + if (denom < scale) { + return numer * (scale / denom) + numer * (scale % denom) / denom; + } + if (denom < numer) { + return scale * (numer / denom) + scale * (numer % denom) / denom; + } + + return numer * scale / denom; +} + +/* + * NAME: timer->set() + * DESCRIPTION: set timer to specific (positive) value + */ +void mad_timer_set(mad_timer_t *timer, unsigned long seconds, + unsigned long numer, unsigned long denom) +{ + timer->seconds = seconds; + if (numer >= denom && denom > 0) { + timer->seconds += numer / denom; + numer %= denom; + } + + switch (denom) { + case 0: + case 1: + timer->fraction = 0; + break; + + case MAD_TIMER_RESOLUTION: + timer->fraction = numer; + break; + + case 1000: + timer->fraction = numer * (MAD_TIMER_RESOLUTION / 1000); + break; + + case 8000: + timer->fraction = numer * (MAD_TIMER_RESOLUTION / 8000); + break; + + case 11025: + timer->fraction = numer * (MAD_TIMER_RESOLUTION / 11025); + break; + + case 12000: + timer->fraction = numer * (MAD_TIMER_RESOLUTION / 12000); + break; + + case 16000: + timer->fraction = numer * (MAD_TIMER_RESOLUTION / 16000); + break; + + case 22050: + timer->fraction = numer * (MAD_TIMER_RESOLUTION / 22050); + break; + + case 24000: + timer->fraction = numer * (MAD_TIMER_RESOLUTION / 24000); + break; + + case 32000: + timer->fraction = numer * (MAD_TIMER_RESOLUTION / 32000); + break; + + case 44100: + timer->fraction = numer * (MAD_TIMER_RESOLUTION / 44100); + break; + + case 48000: + timer->fraction = numer * (MAD_TIMER_RESOLUTION / 48000); + break; + + default: + timer->fraction = scale_rational(numer, denom, MAD_TIMER_RESOLUTION); + break; + } + + if (timer->fraction >= MAD_TIMER_RESOLUTION) { + reduce_timer(timer); + } +} + +/* + * NAME: timer->add() + * DESCRIPTION: add one timer to another + */ +void mad_timer_add(mad_timer_t *timer, mad_timer_t incr) +{ + timer->seconds += incr.seconds; + timer->fraction += incr.fraction; + + if (timer->fraction >= MAD_TIMER_RESOLUTION) { + reduce_timer(timer); + } +} + +/* + * NAME: timer->multiply() + * DESCRIPTION: multiply a timer by a scalar value + */ +void mad_timer_multiply(mad_timer_t *timer, signed long scalar) +{ + mad_timer_t addend; + unsigned long factor; + + factor = scalar; + if (scalar < 0) { + factor = -scalar; + mad_timer_negate(timer); + } + + addend = *timer; + *timer = mad_timer_zero; + + while (factor) { + if (factor & 1) { + mad_timer_add(timer, addend); + } + + mad_timer_add(&addend, addend); + factor >>= 1; + } +} + +/* + * NAME: timer->count() + * DESCRIPTION: return timer value in selected units + */ +signed long mad_timer_count(mad_timer_t timer, enum mad_units units) +{ + switch (units) { + case MAD_UNITS_HOURS: + return timer.seconds / 60 / 60; + + case MAD_UNITS_MINUTES: + return timer.seconds / 60; + + case MAD_UNITS_SECONDS: + return timer.seconds; + + case MAD_UNITS_DECISECONDS: + case MAD_UNITS_CENTISECONDS: + case MAD_UNITS_MILLISECONDS: + + case MAD_UNITS_8000_HZ: + case MAD_UNITS_11025_HZ: + case MAD_UNITS_12000_HZ: + case MAD_UNITS_16000_HZ: + case MAD_UNITS_22050_HZ: + case MAD_UNITS_24000_HZ: + case MAD_UNITS_32000_HZ: + case MAD_UNITS_44100_HZ: + case MAD_UNITS_48000_HZ: + + case MAD_UNITS_24_FPS: + case MAD_UNITS_25_FPS: + case MAD_UNITS_30_FPS: + case MAD_UNITS_48_FPS: + case MAD_UNITS_50_FPS: + case MAD_UNITS_60_FPS: + case MAD_UNITS_75_FPS: + return timer.seconds * (signed long) units + + (signed long) scale_rational(timer.fraction, MAD_TIMER_RESOLUTION, + units); + + case MAD_UNITS_23_976_FPS: + case MAD_UNITS_24_975_FPS: + case MAD_UNITS_29_97_FPS: + case MAD_UNITS_47_952_FPS: + case MAD_UNITS_49_95_FPS: + case MAD_UNITS_59_94_FPS: + return (mad_timer_count(timer, -units) + 1) * 1000 / 1001; + } + + /* unsupported units */ + return 0; +} + +/* + * NAME: timer->fraction() + * DESCRIPTION: return fractional part of timer in arbitrary terms + */ +unsigned long mad_timer_fraction(mad_timer_t timer, unsigned long denom) +{ + timer = mad_timer_abs(timer); + + switch (denom) { + case 0: + return timer.fraction ? + MAD_TIMER_RESOLUTION / timer.fraction : MAD_TIMER_RESOLUTION + 1; + + case MAD_TIMER_RESOLUTION: + return timer.fraction; + + default: + return scale_rational(timer.fraction, MAD_TIMER_RESOLUTION, denom); + } +} + +/* + * NAME: timer->string() + * DESCRIPTION: write a string representation of a timer using a template + */ +void mad_timer_string(mad_timer_t timer, + char *dest, char const *format, enum mad_units units, + enum mad_units fracunits, unsigned long subparts) +{ + unsigned long hours, minutes, seconds, sub; + unsigned int frac; + + timer = mad_timer_abs(timer); + + seconds = timer.seconds; + frac = sub = 0; + + switch (fracunits) { + case MAD_UNITS_HOURS: + case MAD_UNITS_MINUTES: + case MAD_UNITS_SECONDS: + break; + + case MAD_UNITS_DECISECONDS: + case MAD_UNITS_CENTISECONDS: + case MAD_UNITS_MILLISECONDS: + + case MAD_UNITS_8000_HZ: + case MAD_UNITS_11025_HZ: + case MAD_UNITS_12000_HZ: + case MAD_UNITS_16000_HZ: + case MAD_UNITS_22050_HZ: + case MAD_UNITS_24000_HZ: + case MAD_UNITS_32000_HZ: + case MAD_UNITS_44100_HZ: + case MAD_UNITS_48000_HZ: + + case MAD_UNITS_24_FPS: + case MAD_UNITS_25_FPS: + case MAD_UNITS_30_FPS: + case MAD_UNITS_48_FPS: + case MAD_UNITS_50_FPS: + case MAD_UNITS_60_FPS: + case MAD_UNITS_75_FPS: { + unsigned long denom; + + denom = MAD_TIMER_RESOLUTION / fracunits; + + frac = timer.fraction / denom; + sub = scale_rational(timer.fraction % denom, denom, subparts); + } + break; + + case MAD_UNITS_23_976_FPS: + case MAD_UNITS_24_975_FPS: + case MAD_UNITS_29_97_FPS: + case MAD_UNITS_47_952_FPS: + case MAD_UNITS_49_95_FPS: + case MAD_UNITS_59_94_FPS: + /* drop-frame encoding */ + /* N.B. this is only well-defined for MAD_UNITS_29_97_FPS */ + { + unsigned long frame, cycle, d, m; + + frame = mad_timer_count(timer, fracunits); + + cycle = -fracunits * 60 * 10 - (10 - 1) * 2; + + d = frame / cycle; + m = frame % cycle; + frame += (10 - 1) * 2 * d; + if (m > 2) { + frame += 2 * ((m - 2) / (cycle / 10)); + } + + frac = frame % -fracunits; + seconds = frame / -fracunits; + } + break; + } + + switch (units) { + case MAD_UNITS_HOURS: + minutes = seconds / 60; + hours = minutes / 60; + + sprintf(dest, format, + hours, + (unsigned int)(minutes % 60), + (unsigned int)(seconds % 60), + frac, sub); + break; + + case MAD_UNITS_MINUTES: + minutes = seconds / 60; + + sprintf(dest, format, + minutes, + (unsigned int)(seconds % 60), + frac, sub); + break; + + case MAD_UNITS_SECONDS: + sprintf(dest, format, + seconds, + frac, sub); + break; + + case MAD_UNITS_23_976_FPS: + case MAD_UNITS_24_975_FPS: + case MAD_UNITS_29_97_FPS: + case MAD_UNITS_47_952_FPS: + case MAD_UNITS_49_95_FPS: + case MAD_UNITS_59_94_FPS: + if (fracunits < 0) { + /* not yet implemented */ + sub = 0; + } + + /* fall through */ + + case MAD_UNITS_DECISECONDS: + case MAD_UNITS_CENTISECONDS: + case MAD_UNITS_MILLISECONDS: + + case MAD_UNITS_8000_HZ: + case MAD_UNITS_11025_HZ: + case MAD_UNITS_12000_HZ: + case MAD_UNITS_16000_HZ: + case MAD_UNITS_22050_HZ: + case MAD_UNITS_24000_HZ: + case MAD_UNITS_32000_HZ: + case MAD_UNITS_44100_HZ: + case MAD_UNITS_48000_HZ: + + case MAD_UNITS_24_FPS: + case MAD_UNITS_25_FPS: + case MAD_UNITS_30_FPS: + case MAD_UNITS_48_FPS: + case MAD_UNITS_50_FPS: + case MAD_UNITS_60_FPS: + case MAD_UNITS_75_FPS: + sprintf(dest, format, mad_timer_count(timer, units), sub); + break; + } +} diff --git a/audio_codec/libmad/timer.h b/audio_codec/libmad/timer.h new file mode 100644 index 0000000..39f8531 --- a/dev/null +++ b/audio_codec/libmad/timer.h @@ -0,0 +1,100 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: timer.h,v 1.16 2004/01/23 09:41:33 rob Exp $ + */ + +# ifndef LIBMAD_TIMER_H +# define LIBMAD_TIMER_H + +typedef struct { + signed long seconds; /* whole seconds */ + unsigned long fraction; /* 1/MAD_TIMER_RESOLUTION seconds */ +} mad_timer_t; + +extern mad_timer_t const mad_timer_zero; + +# define MAD_TIMER_RESOLUTION 352800000UL + +enum mad_units { + MAD_UNITS_HOURS = -2, + MAD_UNITS_MINUTES = -1, + MAD_UNITS_SECONDS = 0, + + /* metric units */ + + MAD_UNITS_DECISECONDS = 10, + MAD_UNITS_CENTISECONDS = 100, + MAD_UNITS_MILLISECONDS = 1000, + + /* audio sample units */ + + MAD_UNITS_8000_HZ = 8000, + MAD_UNITS_11025_HZ = 11025, + MAD_UNITS_12000_HZ = 12000, + + MAD_UNITS_16000_HZ = 16000, + MAD_UNITS_22050_HZ = 22050, + MAD_UNITS_24000_HZ = 24000, + + MAD_UNITS_32000_HZ = 32000, + MAD_UNITS_44100_HZ = 44100, + MAD_UNITS_48000_HZ = 48000, + + /* video frame/field units */ + + MAD_UNITS_24_FPS = 24, + MAD_UNITS_25_FPS = 25, + MAD_UNITS_30_FPS = 30, + MAD_UNITS_48_FPS = 48, + MAD_UNITS_50_FPS = 50, + MAD_UNITS_60_FPS = 60, + + /* CD audio frames */ + + MAD_UNITS_75_FPS = 75, + + /* video drop-frame units */ + + MAD_UNITS_23_976_FPS = -24, + MAD_UNITS_24_975_FPS = -25, + MAD_UNITS_29_97_FPS = -30, + MAD_UNITS_47_952_FPS = -48, + MAD_UNITS_49_95_FPS = -50, + MAD_UNITS_59_94_FPS = -60 +}; + +# define mad_timer_reset(timer) ((void) (*(timer) = mad_timer_zero)) + +int mad_timer_compare(mad_timer_t, mad_timer_t); + +# define mad_timer_sign(timer) mad_timer_compare((timer), mad_timer_zero) + +void mad_timer_negate(mad_timer_t *); +mad_timer_t mad_timer_abs(mad_timer_t); + +void mad_timer_set(mad_timer_t *, unsigned long, unsigned long, unsigned long); +void mad_timer_add(mad_timer_t *, mad_timer_t); +void mad_timer_multiply(mad_timer_t *, signed long); + +signed long mad_timer_count(mad_timer_t, enum mad_units); +unsigned long mad_timer_fraction(mad_timer_t, unsigned long); +void mad_timer_string(mad_timer_t, char *, char const *, + enum mad_units, enum mad_units, unsigned long); + +# endif diff --git a/audio_codec/libmad/version.c b/audio_codec/libmad/version.c new file mode 100644 index 0000000..7fa2f51 --- a/dev/null +++ b/audio_codec/libmad/version.c @@ -0,0 +1,91 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: version.c,v 1.15 2004/01/23 09:41:33 rob Exp $ + */ + +# ifdef HAVE_CONFIG_H +# include "config.h" +# endif + +# include "global.h" + +# include "version.h" + +char const mad_version[] = "MPEG Audio Decoder " MAD_VERSION; +char const mad_copyright[] = "Copyright (C) " MAD_PUBLISHYEAR " " MAD_AUTHOR; +char const mad_author[] = MAD_AUTHOR " <" MAD_EMAIL ">"; + +char const mad_build[] = "" +# if defined(DEBUG) + "DEBUG " +# elif defined(NDEBUG) + "NDEBUG " +# endif + +# if defined(EXPERIMENTAL) + "EXPERIMENTAL " +# endif + +# if defined(FPM_64BIT) + "FPM_64BIT " +# elif defined(FPM_INTEL) + "FPM_INTEL " +# elif defined(FPM_ARM) + "FPM_ARM " +# elif defined(FPM_MIPS) + "FPM_MIPS " +# elif defined(FPM_SPARC) + "FPM_SPARC " +# elif defined(FPM_PPC) + "FPM_PPC " +# elif defined(FPM_DEFAULT) + "FPM_DEFAULT " +# endif + +# if defined(ASO_IMDCT) + "ASO_IMDCT " +# endif +# if defined(ASO_INTERLEAVE1) + "ASO_INTERLEAVE1 " +# endif +# if defined(ASO_INTERLEAVE2) + "ASO_INTERLEAVE2 " +# endif +# if defined(ASO_ZEROCHECK) + "ASO_ZEROCHECK " +# endif + +# if defined(OPT_SPEED) + "OPT_SPEED " +# elif defined(OPT_ACCURACY) + "OPT_ACCURACY " +# endif + +# if defined(OPT_SSO) + "OPT_SSO " +# endif + +# if defined(OPT_DCTO) /* never defined here */ + "OPT_DCTO " +# endif + +# if defined(OPT_STRICT) + "OPT_STRICT " +# endif + ; diff --git a/audio_codec/libmad/version.h b/audio_codec/libmad/version.h new file mode 100644 index 0000000..8af6c89 --- a/dev/null +++ b/audio_codec/libmad/version.h @@ -0,0 +1,47 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: version.h,v 1.26 2004/01/23 09:41:33 rob Exp $ + */ + +# ifndef LIBMAD_VERSION_H +# define LIBMAD_VERSION_H + +# define MAD_VERSION_MAJOR 0 +# define MAD_VERSION_MINOR 15 +# define MAD_VERSION_PATCH 1 +# define MAD_VERSION_EXTRA " (beta)" + +# define MAD_VERSION_STRINGIZE(str) #str +# define MAD_VERSION_STRING(num) MAD_VERSION_STRINGIZE(num) + +# define MAD_VERSION MAD_VERSION_STRING(MAD_VERSION_MAJOR) "." \ + MAD_VERSION_STRING(MAD_VERSION_MINOR) "." \ + MAD_VERSION_STRING(MAD_VERSION_PATCH) \ + MAD_VERSION_EXTRA + +# define MAD_PUBLISHYEAR "2000-2004" +# define MAD_AUTHOR "Underbit Technologies, Inc." +# define MAD_EMAIL "info@underbit.com" + +extern char const mad_version[]; +extern char const mad_copyright[]; +extern char const mad_author[]; +extern char const mad_build[]; + +# endif diff --git a/audio_codec/libpcm/Android.mk b/audio_codec/libpcm/Android.mk new file mode 100755 index 0000000..80feb9a --- a/dev/null +++ b/audio_codec/libpcm/Android.mk @@ -0,0 +1,11 @@ +LOCAL_PATH := $(call my-dir) + +include $(CLEAR_VARS) + +LOCAL_SHARED_LIBRARIES += libutils libmedia libz libbinder libdl libcutils libc +LOCAL_MODULE := libpcm +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +LOCAL_ARM_MODE := arm +LOCAL_MODULE_TAGS := optional +include $(LOCAL_PATH)/../config.mk +include $(BUILD_SHARED_LIBRARY) diff --git a/audio_codec/libpcm/intreadwrite.h b/audio_codec/libpcm/intreadwrite.h new file mode 100644 index 0000000..0954b10 --- a/dev/null +++ b/audio_codec/libpcm/intreadwrite.h @@ -0,0 +1,390 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_INTREADWRITE_H +#define AVUTIL_INTREADWRITE_H +#ifndef __MW__ +#include +#endif +//#include "bswap.h" + +/* + * Map AV_RNXX <-> AV_R[BL]XX for all variants provided by per-arch headers. + */ + +#if HAVE_BIGENDIAN + +# if defined(AV_RN16) && !defined(AV_RB16) +# define AV_RB16(p) AV_RN16(p) +# elif !defined(AV_RN16) && defined(AV_RB16) +# define AV_RN16(p) AV_RB16(p) +# endif + +# if defined(AV_WN16) && !defined(AV_WB16) +# define AV_WB16(p, v) AV_WN16(p, v) +# elif !defined(AV_WN16) && defined(AV_WB16) +# define AV_WN16(p, v) AV_WB16(p, v) +# endif + +# if defined(AV_RN24) && !defined(AV_RB24) +# define AV_RB24(p) AV_RN24(p) +# elif !defined(AV_RN24) && defined(AV_RB24) +# define AV_RN24(p) AV_RB24(p) +# endif + +# if defined(AV_WN24) && !defined(AV_WB24) +# define AV_WB24(p, v) AV_WN24(p, v) +# elif !defined(AV_WN24) && defined(AV_WB24) +# define AV_WN24(p, v) AV_WB24(p, v) +# endif + +# if defined(AV_RN32) && !defined(AV_RB32) +# define AV_RB32(p) AV_RN32(p) +# elif !defined(AV_RN32) && defined(AV_RB32) +# define AV_RN32(p) AV_RB32(p) +# endif + +# if defined(AV_WN32) && !defined(AV_WB32) +# define AV_WB32(p, v) AV_WN32(p, v) +# elif !defined(AV_WN32) && defined(AV_WB32) +# define AV_WN32(p, v) AV_WB32(p, v) +# endif + +# if defined(AV_RN64) && !defined(AV_RB64) +# define AV_RB64(p) AV_RN64(p) +# elif !defined(AV_RN64) && defined(AV_RB64) +# define AV_RN64(p) AV_RB64(p) +# endif + +# if defined(AV_WN64) && !defined(AV_WB64) +# define AV_WB64(p, v) AV_WN64(p, v) +# elif !defined(AV_WN64) && defined(AV_WB64) +# define AV_WN64(p, v) AV_WB64(p, v) +# endif + +#else /* HAVE_BIGENDIAN */ + +# if defined(AV_RN16) && !defined(AV_RL16) +# define AV_RL16(p) AV_RN16(p) +# elif !defined(AV_RN16) && defined(AV_RL16) +# define AV_RN16(p) AV_RL16(p) +# endif + +# if defined(AV_WN16) && !defined(AV_WL16) +# define AV_WL16(p, v) AV_WN16(p, v) +# elif !defined(AV_WN16) && defined(AV_WL16) +# define AV_WN16(p, v) AV_WL16(p, v) +# endif + +# if defined(AV_RN24) && !defined(AV_RL24) +# define AV_RL24(p) AV_RN24(p) +# elif !defined(AV_RN24) && defined(AV_RL24) +# define AV_RN24(p) AV_RL24(p) +# endif + +# if defined(AV_WN24) && !defined(AV_WL24) +# define AV_WL24(p, v) AV_WN24(p, v) +# elif !defined(AV_WN24) && defined(AV_WL24) +# define AV_WN24(p, v) AV_WL24(p, v) +# endif + +# if defined(AV_RN32) && !defined(AV_RL32) +# define AV_RL32(p) AV_RN32(p) +# elif !defined(AV_RN32) && defined(AV_RL32) +# define AV_RN32(p) AV_RL32(p) +# endif + +# if defined(AV_WN32) && !defined(AV_WL32) +# define AV_WL32(p, v) AV_WN32(p, v) +# elif !defined(AV_WN32) && defined(AV_WL32) +# define AV_WN32(p, v) AV_WL32(p, v) +# endif + +# if defined(AV_RN64) && !defined(AV_RL64) +# define AV_RL64(p) AV_RN64(p) +# elif !defined(AV_RN64) && defined(AV_RL64) +# define AV_RN64(p) AV_RL64(p) +# endif + +# if defined(AV_WN64) && !defined(AV_WL64) +# define AV_WL64(p, v) AV_WN64(p, v) +# elif !defined(AV_WN64) && defined(AV_WL64) +# define AV_WN64(p, v) AV_WL64(p, v) +# endif + +#endif /* !HAVE_BIGENDIAN */ + +/* + * Define AV_[RW]N helper macros to simplify definitions not provided + * by per-arch headers. + */ + +#if HAVE_ATTRIBUTE_PACKED + +struct unaligned_64 { + uint64_t l; +} __attribute__((packed)); +struct unaligned_32 { + uint32_t l; +} __attribute__((packed)); +struct unaligned_16 { + uint16_t l; +} __attribute__((packed)); + +# define AV_RN(s, p) (((const struct unaligned_##s *) (p))->l) +# define AV_WN(s, p, v) (((struct unaligned_##s *) (p))->l) = (v) + +#elif defined(__DECC) + +# define AV_RN(s, p) (*((const __unaligned uint##s##_t*)(p))) +# define AV_WN(s, p, v) *((__unaligned uint##s##_t*)(p)) = (v) + +#elif HAVE_FAST_UNALIGNED + +# define AV_RN(s, p) (*((const uint##s##_t*)(p))) +# define AV_WN(s, p, v) *((uint##s##_t*)(p)) = (v) + +#else + +#ifndef AV_RB16 +# define AV_RB16(x) \ + ((((const uint8_t*)(x))[0] << 8) | \ + ((const uint8_t*)(x))[1]) +#endif +#ifndef AV_WB16 +# define AV_WB16(p, d) do { \ + ((uint8_t*)(p))[1] = (d); \ + ((uint8_t*)(p))[0] = (d)>>8; \ + } while(0) +#endif + +#ifndef AV_RL16 +# define AV_RL16(x) \ + ((((const uint8_t*)(x))[1] << 8) | \ + ((const uint8_t*)(x))[0]) +#endif +#ifndef AV_WL16 +# define AV_WL16(p, d) do { \ + ((uint8_t*)(p))[0] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + } while(0) +#endif + +#ifndef AV_RB32 +# define AV_RB32(x) \ + ((((const uint8_t*)(x))[0] << 24) | \ + (((const uint8_t*)(x))[1] << 16) | \ + (((const uint8_t*)(x))[2] << 8) | \ + ((const uint8_t*)(x))[3]) +#endif +#ifndef AV_WB32 +# define AV_WB32(p, d) do { \ + ((uint8_t*)(p))[3] = (d); \ + ((uint8_t*)(p))[2] = (d)>>8; \ + ((uint8_t*)(p))[1] = (d)>>16; \ + ((uint8_t*)(p))[0] = (d)>>24; \ + } while(0) +#endif + +#ifndef AV_RL32 +# define AV_RL32(x) \ + ((((const uint8_t*)(x))[3] << 24) | \ + (((const uint8_t*)(x))[2] << 16) | \ + (((const uint8_t*)(x))[1] << 8) | \ + ((const uint8_t*)(x))[0]) +#endif +#ifndef AV_WL32 +# define AV_WL32(p, d) do { \ + ((uint8_t*)(p))[0] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + ((uint8_t*)(p))[2] = (d)>>16; \ + ((uint8_t*)(p))[3] = (d)>>24; \ + } while(0) +#endif + +#ifndef AV_RB64 +# define AV_RB64(x) \ + (((uint64_t)((const uint8_t*)(x))[0] << 56) | \ + ((uint64_t)((const uint8_t*)(x))[1] << 48) | \ + ((uint64_t)((const uint8_t*)(x))[2] << 40) | \ + ((uint64_t)((const uint8_t*)(x))[3] << 32) | \ + ((uint64_t)((const uint8_t*)(x))[4] << 24) | \ + ((uint64_t)((const uint8_t*)(x))[5] << 16) | \ + ((uint64_t)((const uint8_t*)(x))[6] << 8) | \ + (uint64_t)((const uint8_t*)(x))[7]) +#endif +#ifndef AV_WB64 +# define AV_WB64(p, d) do { \ + ((uint8_t*)(p))[7] = (d); \ + ((uint8_t*)(p))[6] = (d)>>8; \ + ((uint8_t*)(p))[5] = (d)>>16; \ + ((uint8_t*)(p))[4] = (d)>>24; \ + ((uint8_t*)(p))[3] = (d)>>32; \ + ((uint8_t*)(p))[2] = (d)>>40; \ + ((uint8_t*)(p))[1] = (d)>>48; \ + ((uint8_t*)(p))[0] = (d)>>56; \ + } while(0) +#endif + +#ifndef AV_RL64 +# define AV_RL64(x) \ + (((uint64_t)((const uint8_t*)(x))[7] << 56) | \ + ((uint64_t)((const uint8_t*)(x))[6] << 48) | \ + ((uint64_t)((const uint8_t*)(x))[5] << 40) | \ + ((uint64_t)((const uint8_t*)(x))[4] << 32) | \ + ((uint64_t)((const uint8_t*)(x))[3] << 24) | \ + ((uint64_t)((const uint8_t*)(x))[2] << 16) | \ + ((uint64_t)((const uint8_t*)(x))[1] << 8) | \ + (uint64_t)((const uint8_t*)(x))[0]) +#endif +#ifndef AV_WL64 +# define AV_WL64(p, d) do { \ + ((uint8_t*)(p))[0] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + ((uint8_t*)(p))[2] = (d)>>16; \ + ((uint8_t*)(p))[3] = (d)>>24; \ + ((uint8_t*)(p))[4] = (d)>>32; \ + ((uint8_t*)(p))[5] = (d)>>40; \ + ((uint8_t*)(p))[6] = (d)>>48; \ + ((uint8_t*)(p))[7] = (d)>>56; \ + } while(0) +#endif + +#if HAVE_BIGENDIAN +# define AV_RN(s, p) AV_RB##s(p) +# define AV_WN(s, p, v) AV_WB##s(p, v) +#else +# define AV_RN(s, p) AV_RL##s(p) +# define AV_WN(s, p, v) AV_WL##s(p, v) +#endif + +#endif /* HAVE_FAST_UNALIGNED */ + +#ifndef AV_RN16 +# define AV_RN16(p) AV_RN(16, p) +#endif + +#ifndef AV_RN32 +# define AV_RN32(p) AV_RN(32, p) +#endif + +#ifndef AV_RN64 +# define AV_RN64(p) AV_RN(64, p) +#endif + +#ifndef AV_WN16 +# define AV_WN16(p, v) AV_WN(16, p, v) +#endif + +#ifndef AV_WN32 +# define AV_WN32(p, v) AV_WN(32, p, v) +#endif + +#ifndef AV_WN64 +# define AV_WN64(p, v) AV_WN(64, p, v) +#endif + +#if HAVE_BIGENDIAN +# define AV_RB(s, p) AV_RN##s(p) +# define AV_WB(s, p, v) AV_WN##s(p, v) +# define AV_RL(s, p) bswap_##s(AV_RN##s(p)) +# define AV_WL(s, p, v) AV_WN##s(p, bswap_##s(v)) +#else +# define AV_RB(s, p) bswap_##s(AV_RN##s(p)) +# define AV_WB(s, p, v) AV_WN##s(p, bswap_##s(v)) +# define AV_RL(s, p) AV_RN##s(p) +# define AV_WL(s, p, v) AV_WN##s(p, v) +#endif + +#define AV_RB8(x) (((const uint8_t*)(x))[0]) +#define AV_WB8(p, d) do { ((uint8_t*)(p))[0] = (d); } while(0) + +#define AV_RL8(x) AV_RB8(x) +#define AV_WL8(p, d) AV_WB8(p, d) + +#ifndef AV_RB16 +# define AV_RB16(p) AV_RB(16, p) +#endif +#ifndef AV_WB16 +# define AV_WB16(p, v) AV_WB(16, p, v) +#endif + +#ifndef AV_RL16 +# define AV_RL16(p) AV_RL(16, p) +#endif +#ifndef AV_WL16 +# define AV_WL16(p, v) AV_WL(16, p, v) +#endif + +#ifndef AV_RB32 +# define AV_RB32(p) AV_RB(32, p) +#endif +#ifndef AV_WB32 +# define AV_WB32(p, v) AV_WB(32, p, v) +#endif + +#ifndef AV_RL32 +# define AV_RL32(p) AV_RL(32, p) +#endif +#ifndef AV_WL32 +# define AV_WL32(p, v) AV_WL(32, p, v) +#endif + +#ifndef AV_RB64 +# define AV_RB64(p) AV_RB(64, p) +#endif +#ifndef AV_WB64 +# define AV_WB64(p, v) AV_WB(64, p, v) +#endif + +#ifndef AV_RL64 +# define AV_RL64(p) AV_RL(64, p) +#endif +#ifndef AV_WL64 +# define AV_WL64(p, v) AV_WL(64, p, v) +#endif + +#ifndef AV_RB24 +# define AV_RB24(x) \ + ((((const uint8_t*)(x))[0] << 16) | \ + (((const uint8_t*)(x))[1] << 8) | \ + ((const uint8_t*)(x))[2]) +#endif +#ifndef AV_WB24 +# define AV_WB24(p, d) do { \ + ((uint8_t*)(p))[2] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + ((uint8_t*)(p))[0] = (d)>>16; \ + } while(0) +#endif + +#ifndef AV_RL24 +# define AV_RL24(x) \ + ((((const uint8_t*)(x))[2] << 16) | \ + (((const uint8_t*)(x))[1] << 8) | \ + ((const uint8_t*)(x))[0]) +#endif +#ifndef AV_WL24 +# define AV_WL24(p, d) do { \ + ((uint8_t*)(p))[0] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + ((uint8_t*)(p))[2] = (d)>>16; \ + } while(0) +#endif + +#endif /* AVUTIL_INTREADWRITE_H */ diff --git a/audio_codec/libpcm/pcm_decode.c b/audio_codec/libpcm/pcm_decode.c new file mode 100644 index 0000000..af6b0b9 --- a/dev/null +++ b/audio_codec/libpcm/pcm_decode.c @@ -0,0 +1,780 @@ +#include +#include +#include "adec-armdec-mgt.h" +#include "audio-dec.h" +#include "amports/aformat.h" +#include +#include +#include + +#define LOG_TAG "PcmDecoder" +#define PRINTF(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) + +/* Audio channel masks */ +#define CH_FRONT_LEFT 0x00000001 +#define CH_FRONT_RIGHT 0x00000002 +#define CH_FRONT_CENTER 0x00000004 +#define CH_LOW_FREQUENCY 0x00000008 +#define CH_BACK_LEFT 0x00000010 +#define CH_BACK_RIGHT 0x00000020 +#define CH_FRONT_LEFT_OF_CENTER 0x00000040 +#define CH_FRONT_RIGHT_OF_CENTER 0x00000080 +#define CH_BACK_CENTER 0x00000100 +#define CH_SIDE_LEFT 0x00000200 +#define CH_SIDE_RIGHT 0x00000400 +#define CH_TOP_CENTER 0x00000800 +#define CH_TOP_FRONT_LEFT 0x00001000 +#define CH_TOP_FRONT_CENTER 0x00002000 +#define CH_TOP_FRONT_RIGHT 0x00004000 +#define CH_TOP_BACK_LEFT 0x00008000 +#define CH_TOP_BACK_CENTER 0x00010000 +#define CH_TOP_BACK_RIGHT 0x00020000 +#define CH_STEREO_LEFT 0x20000000 ///< Stereo downmix. +#define CH_STEREO_RIGHT 0x40000000 ///< See CH_STEREO_LEFT. +/* Audio channel convenience macros */ +#define CH_LAYOUT_MONO (CH_FRONT_CENTER) +#define CH_LAYOUT_STEREO (CH_FRONT_LEFT|CH_FRONT_RIGHT) +#define CH_LAYOUT_2_1 (CH_LAYOUT_STEREO|CH_BACK_CENTER) +#define CH_LAYOUT_SURROUND (CH_LAYOUT_STEREO|CH_FRONT_CENTER) +#define CH_LAYOUT_4POINT0 (CH_LAYOUT_SURROUND|CH_BACK_CENTER) +#define CH_LAYOUT_2_2 (CH_LAYOUT_STEREO|CH_SIDE_LEFT|CH_SIDE_RIGHT) +#define CH_LAYOUT_QUAD (CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT) +#define CH_LAYOUT_5POINT0 (CH_LAYOUT_SURROUND|CH_SIDE_LEFT|CH_SIDE_RIGHT) +#define CH_LAYOUT_5POINT1 (CH_LAYOUT_5POINT0|CH_LOW_FREQUENCY) +#define CH_LAYOUT_5POINT0_BACK (CH_LAYOUT_SURROUND|CH_BACK_LEFT|CH_BACK_RIGHT) +#define CH_LAYOUT_5POINT1_BACK (CH_LAYOUT_5POINT0_BACK|CH_LOW_FREQUENCY) +#define CH_LAYOUT_7POINT0 (CH_LAYOUT_5POINT0|CH_BACK_LEFT|CH_BACK_RIGHT) +#define CH_LAYOUT_7POINT1 (CH_LAYOUT_5POINT1|CH_BACK_LEFT|CH_BACK_RIGHT) +#define CH_LAYOUT_7POINT1_WIDE (CH_LAYOUT_5POINT1_BACK|CH_FRONT_LEFT_OF_CENTER|CH_FRONT_RIGHT_OF_CENTER) +#define CH_LAYOUT_STEREO_DOWNMIX (CH_STEREO_LEFT|CH_STEREO_RIGHT) + +#define CHECK_BLUERAY_PCM_HEADER +#define pcm_buffer_size (1024*6) +#define bluray_pcm_size (1024*17) +#define LOCAL inline +#define SIGN_BIT (0x80) +#define QUANT_MASK (0xf) +#define NSEGS (8) +#define SEG_SHIFT (4) +#define SEG_MASK (0x70) +#define BIAS (0x84) +static short table[256]; + +typedef struct { + int ValidDataLen; + int UsedDataLen; + unsigned char *BufStart; + unsigned char *pcur; +} pcm_read_ctl_t; + +typedef struct { + int pcm_channels; + int pcm_samplerate; + int bit_per_sample; + int jump_read_head_flag; + int frame_size_check; + int frame_size_check_flag; + int pcm_bluray_header; + int pcm_bluray_size; + unsigned char *pcm_buffer; + int lpcm_header_parsed; + int BlurayHeaderCheckDisable; +} pcm_priv_data_t; + +static int pcm_read_init(pcm_read_ctl_t *pcm_read_ctx, unsigned char* inbuf, int size) +{ + pcm_read_ctx->ValidDataLen = size; + pcm_read_ctx->UsedDataLen = 0; + pcm_read_ctx->BufStart = inbuf; + pcm_read_ctx->pcur = inbuf; + return 0; +} + +static int pcm_read(pcm_read_ctl_t *pcm_read_ctx, unsigned char* outbuf, int size) +{ + int bytes_read = 0; + if (size <= pcm_read_ctx->ValidDataLen) { + memcpy(outbuf, pcm_read_ctx->pcur, size); + pcm_read_ctx->ValidDataLen -= size; + pcm_read_ctx->UsedDataLen += size; + pcm_read_ctx->pcur += size; + bytes_read = size; + } + return bytes_read; +} + +static int av_get_bits_per_sample(int codec_id) +{ + switch (codec_id) { + case AFORMAT_ALAW: + case AFORMAT_MULAW: + case AFORMAT_PCM_U8: + return 8; + case AFORMAT_PCM_S16BE: + case AFORMAT_PCM_S16LE: + return 16; + default: + return 0; + } +} + +static int alaw2linear(unsigned char a_val) +{ + int t; + int seg; + a_val ^= 0x55; + t = a_val & QUANT_MASK; + seg = ((unsigned)a_val & SEG_MASK) >> SEG_SHIFT; + if (seg) { + t = (t + t + 1 + 32) << (seg + 2); + } else { + t = (t + t + 1) << 3; + } + return (a_val & SIGN_BIT) ? t : -t; +} + +static int ulaw2linear(unsigned char u_val) +{ + int t; + u_val = ~u_val; + t = ((u_val & QUANT_MASK) << 3) + BIAS; + t <<= ((unsigned)u_val & SEG_MASK) >> SEG_SHIFT; + return (u_val & SIGN_BIT) ? (BIAS - t) : (t - BIAS); +} + +/** + * Parse the header of a LPCM frame read from a MPEG-TS stream + * @param avctx the codec context + * @param header pointer to the first four bytes of the data packet + */ +static int pcm_bluray_pheader(pcm_read_ctl_t *pcm_read_ctl, aml_audio_dec_t *audec, char *header, int *bps) +{ + audio_decoder_operations_t *adec_ops = (audio_decoder_operations_t *)audec->adec_ops; + pcm_priv_data_t *pPcm_priv_data = (pcm_priv_data_t *)adec_ops->priv_dec_data; + + uint8_t bits_per_samples[4] = { 0, 16, 20, 24 }; + uint32_t channel_layouts[16] = { + 0, CH_LAYOUT_MONO, 0, CH_LAYOUT_STEREO, CH_LAYOUT_SURROUND, + CH_LAYOUT_2_1, CH_LAYOUT_4POINT0, CH_LAYOUT_2_2, CH_LAYOUT_5POINT0, + CH_LAYOUT_5POINT1, CH_LAYOUT_7POINT0, CH_LAYOUT_7POINT1, 0, 0, 0, 0 + }; + uint8_t channels[16] = { + 0, 1, 0, 2, 3, 3, 4, 4, 5, 6, 7, 8, 0, 0, 0, 0 + }; + int frame_size = header[0] << 8 | header[1]; + uint8_t channel_layout = header[2] >> 4; + int frame_header = header[0] << 24 | header[1] << 16 | header[2] << 8 | header[3]; + + if (frame_header != pPcm_priv_data->pcm_bluray_header) { + PRINTF("[%s %d]NOTE:pcm_bluray_header: header = %02x%02x%02x%02x\n", __FUNCTION__, __LINE__, header[0], header[1], header[2], header[3]); + pPcm_priv_data->pcm_bluray_header = frame_header; + } + if (frame_size != pPcm_priv_data->pcm_bluray_size) { + PRINTF("[%s %d]bluray pcm frame size is %d\n", __FUNCTION__, __LINE__, frame_size); + pPcm_priv_data->pcm_bluray_size = frame_size; + } + + /* get the sample depth and derive the sample format from it */ + *bps = bits_per_samples[header[3] >> 6]; + if (*bps == 0) { + PRINTF("[%s %d]unsupported sample datawitth (0)\n", __FUNCTION__, __LINE__); + return -1; + } + + /* get the sample rate. Not all values are known or exist. */ + switch (header[2] & 0x0f) { + case 1: + pPcm_priv_data->pcm_samplerate = 48000; + break; + case 4: + pPcm_priv_data->pcm_samplerate = 96000; + break; + case 5: + pPcm_priv_data->pcm_samplerate = 192000; + break; + default: + pPcm_priv_data->pcm_samplerate = 0; + PRINTF("[%s %d]unsupported sample rate (%d)\n", __FUNCTION__, __LINE__, header[2] & 0x0f); + return -1; + } + + /* + * get the channel number (and mapping). Not all values are known or exist. + * It must be noted that the number of channels in the MPEG stream can + * differ from the actual meaningful number, e.g. mono audio still has two + * channels, one being empty. + */ + //avctx->channel_layout = channel_layouts[channel_layout]; + pPcm_priv_data->pcm_channels = channels[channel_layout]; + if (!pPcm_priv_data->pcm_channels) { + PRINTF("[%s %d]unsupported channel configuration (%d)\n", __FUNCTION__, __LINE__, channel_layout); + return -1; + } + return frame_size; +} + + +#define Emphasis_Off 0 +#define Emphasis_On 1 +#define Quantization_Word_16bit 0 +#define Quantization_Word_Reserved 0xff +#define Audio_Sampling_44_1 1 +#define Audio_Sampling_48 2 +#define Audio_Sampling_Reserved 0xff +#define Audio_channel_Dual_Mono 0 +#define Audio_channel_Stero 1 +#define Audio_channel_Reserved 0xff +#define FramesPerAU 80 //according to spec of wifi display +#define Wifi_Display_Private_Header_Size 4 + + +static int parse_wifi_display_pcm_header(aml_audio_dec_t *audec, char *header, int *bps) +{ + char number_of_frame_header, audio_emphasis, quant, sample, channel; + int frame_size = -1; + audio_decoder_operations_t *adec_ops = (audio_decoder_operations_t *)audec->adec_ops; + pcm_priv_data_t *pPcm_priv_data = (pcm_priv_data_t *)adec_ops->priv_dec_data; + //check sub id + if (header[0] == 0xa0) { + number_of_frame_header = header[1]; + audio_emphasis = header[2] & 1; + quant = header[3] >> 6; + sample = (header[3] >> 3) & 7; + channel = header[3] & 7; + + if (quant == Quantization_Word_16bit) { + *bps = 16; + } else { + PRINTF("[%s %d]using reserved bps %d\n", __FUNCTION__, __LINE__, *bps); + } + + if (sample == Audio_Sampling_44_1) { + pPcm_priv_data->pcm_samplerate = 44100; + } else if (sample == Audio_Sampling_48) { + pPcm_priv_data->pcm_samplerate = 48000; + } else { + PRINTF("[%s %d]using reserved sample_rate %d\n", __FUNCTION__, __LINE__, audec->samplerate); + pPcm_priv_data->pcm_samplerate = audec->samplerate; + } + + if (channel == Audio_channel_Dual_Mono) { + pPcm_priv_data->pcm_channels = 1; //note: this is not sure + } else if (channel == Audio_channel_Stero) { + pPcm_priv_data->pcm_channels = 2; + } else { + PRINTF("using reserved channel %d\n", audec->channels); + pPcm_priv_data->pcm_channels = audec->channels; + } + pPcm_priv_data->lpcm_header_parsed = 1; + + frame_size = FramesPerAU * (*bps >> 3) * audec->channels * number_of_frame_header; + } else { + PRINTF("[%s %d]unknown sub id\n", __FUNCTION__, __LINE__); + } + + return frame_size; +} +/** + * Read PCM samples macro + * @param type Datatype of native machine format + * @param endian bytestream_get_xxx() endian suffix + * @param src Source pointer (variable name) + * @param dst Destination pointer (variable name) + * @param n Total number of samples (variable name) + * @param shift Bitshift (bits) + * @param offset Sample value offset + */ +#define DEF_T(type, name, bytes, read, write) \ + static type bytestream_get_ ## name(const uint8_t **b){\ + (*b) += bytes;\ + return read(*b - bytes);\ + }\ + static void bytestream_put_ ##name(uint8_t **b, const type value){\ + write(*b, value);\ + (*b) += bytes;\ + } +#define DEF(name, bytes, read, write) DEF_T(unsigned int, name, bytes, read, write) + + +DEF(le32, 4, AV_RL32, AV_WL32) +DEF(le24, 3, AV_RL24, AV_WL24) +DEF(le16, 2, AV_RL16, AV_WL16) +DEF(be32, 4, AV_RB32, AV_WB32) +DEF(be24, 3, AV_RB24, AV_WB24) +DEF(be16, 2, AV_RB16, AV_WB16) +DEF(byte, 1, AV_RB8 , AV_WB8) + +#define DECODE(type, endian, src, dst, n, shift, offset) \ + dst_##type = (type*)dst; \ + for(;n>0;n--) { \ + register type v = bytestream_get_##endian((const unsigned char**)&src); \ + *dst_##type++ = (v - offset) << shift; \ + } \ + dst = (short*)dst_##type; + + +static int pcm_init(aml_audio_dec_t *audec) +{ + int i; + audio_decoder_operations_t *adec_ops = NULL; + pcm_priv_data_t *pPcm_priv_data = NULL; + + pPcm_priv_data = malloc(sizeof(pcm_priv_data_t)); + if (pPcm_priv_data == NULL) { + PRINTF("[%s %d]malloc memory failed!\n", __FUNCTION__, __LINE__); + return -1; + } + memset(pPcm_priv_data, 0, sizeof(pcm_priv_data_t)); + adec_ops = (audio_decoder_operations_t *)audec->adec_ops; + adec_ops->priv_dec_data = pPcm_priv_data; + adec_ops->nInBufSize = pcm_buffer_size; + adec_ops->nOutBufSize = 0; + pPcm_priv_data->pcm_buffer = malloc(bluray_pcm_size); + if (pPcm_priv_data->pcm_buffer == NULL) { + free(adec_ops->priv_dec_data); + adec_ops->priv_dec_data = NULL; + PRINTF("[%s %d]malloc memory failed!\n", __FUNCTION__, __LINE__); + return -1; + } + memset(pPcm_priv_data->pcm_buffer, 0, bluray_pcm_size); + + PRINTF("[%s]audec->format/%d adec_ops->samplerate/%d adec_ops->channels/%d\n", + __FUNCTION__, audec->format, adec_ops->samplerate, adec_ops->channels); + + pPcm_priv_data->pcm_samplerate = adec_ops->samplerate; + pPcm_priv_data->pcm_channels = adec_ops->channels; + if (audec->format == AFORMAT_PCM_BLURAY) { + pPcm_priv_data->pcm_bluray_size = 0; + pPcm_priv_data->pcm_bluray_header = 0; + pPcm_priv_data->frame_size_check = 0; + pPcm_priv_data->jump_read_head_flag = 0; + pPcm_priv_data->frame_size_check_flag = 1; + +#ifdef CHECK_BLUERAY_PCM_HEADER + pPcm_priv_data->frame_size_check_flag = 0; + if (/*!audec->extradata ||*/ audec->extradata_size != 4) { + free(pPcm_priv_data->pcm_buffer); + free(adec_ops->priv_dec_data); + adec_ops->priv_dec_data = NULL; + PRINTF("[%s %d] pcm_init failed: need extradata !\n", __FUNCTION__, __LINE__); + return -1; + } + memcpy(&pPcm_priv_data->pcm_bluray_header, audec->extradata, 4); + PRINTF("blueray frame 4 byte header[0x%x],[0x%x],[0x%x],[0x%x]\n", audec->extradata[0], audec->extradata[1], \ + audec->extradata[2], audec->extradata[3]); +#endif + + return 0; + } + + switch (audec->format) { + case AFORMAT_ALAW: + for (i = 0; i < 256; i++) { + table[i] = alaw2linear(i); + } + break; + case AFORMAT_MULAW: + for (i = 0; i < 256; i++) { + table[i] = ulaw2linear(i); + } + break; + default: + break; + } + return 0; +} + +#define CHECK_DATA_ENOUGH(Ctl,NeedBytes,UsedSetIfNo) { \ + if((Ctl)->ValidDataLen < (NeedBytes)){ \ + PRINTF("[%s %d]NOTE--> no enough data\n",__FUNCTION__,__LINE__);\ + (Ctl)->UsedDataLen-=(UsedSetIfNo); \ + return -1; \ + } \ +} + + + +static int check_frame_size(pcm_read_ctl_t *pcm_read_ctl, aml_audio_dec_t *audec , int *bps) +{ + int index; + int find_header_cnt = 0, first_header_pos = -1; + int size ; + int header, frame_size; + int first_head_pos = 0; + audio_decoder_operations_t *adec_ops = (audio_decoder_operations_t *)audec->adec_ops; + pcm_priv_data_t *pPcm_priv_data = (pcm_priv_data_t *)adec_ops->priv_dec_data; + + CHECK_DATA_ENOUGH(pcm_read_ctl, 4, 0) + pcm_read(pcm_read_ctl, pPcm_priv_data->pcm_buffer, 4); + + index = 0; + while (1) { + header = (pPcm_priv_data->pcm_buffer[0] << 24) | (pPcm_priv_data->pcm_buffer[1] << 16) | \ + (pPcm_priv_data->pcm_buffer[2] << 8) | (pPcm_priv_data->pcm_buffer[3]); + if (header == pPcm_priv_data->pcm_bluray_header) { + break; + } + pPcm_priv_data->pcm_buffer[0] = pPcm_priv_data->pcm_buffer[1]; + pPcm_priv_data->pcm_buffer[1] = pPcm_priv_data->pcm_buffer[2]; + pPcm_priv_data->pcm_buffer[2] = pPcm_priv_data->pcm_buffer[3]; + CHECK_DATA_ENOUGH(pcm_read_ctl, 1, 3) + pcm_read(pcm_read_ctl, &pPcm_priv_data->pcm_buffer[3], 1); + index++; + } + + first_head_pos = pcm_read_ctl->UsedDataLen - 4; + PRINTF("[%s %d]First BluRay Header offset=%d\n", __FUNCTION__, __LINE__, first_head_pos); + //--------------------------------------------- + frame_size = pcm_bluray_pheader(pcm_read_ctl, audec, pPcm_priv_data->pcm_buffer, bps); + if (frame_size > 0) { + PRINTF("[%s %d]frame_size from parser:%d\n", __FUNCTION__, __LINE__, frame_size); + CHECK_DATA_ENOUGH(pcm_read_ctl, frame_size, 4); + + } else { + PRINTF("[%s %d]ERR: invalid frame_size from parser:%d\n", __FUNCTION__, __LINE__, frame_size); + pPcm_priv_data->frame_size_check_flag = 1; + return -1; + } + + index = 1; + if (!pcm_read(pcm_read_ctl, &pPcm_priv_data->pcm_buffer[4], 1)) { + PRINTF("[%s %d]NOTE--> no enough data\n", __FUNCTION__, __LINE__); + pcm_read_ctl->UsedDataLen = first_head_pos; + return -1; + } + + while (1) { + if (index + 3 == bluray_pcm_size) { + PRINTF("[%s %d]ExtraData(First Bluray FrmHeader)May be Broken,used Unchecked Mode..\n", __FUNCTION__, __LINE__); + pcm_read_ctl->UsedDataLen = first_head_pos; + pPcm_priv_data->frame_size_check_flag = 1; + pPcm_priv_data->jump_read_head_flag = 0; + pPcm_priv_data->frame_size_check = frame_size; + pPcm_priv_data->BlurayHeaderCheckDisable = 1; + return -1; + } + header = (pPcm_priv_data->pcm_buffer[index] << 24) | (pPcm_priv_data->pcm_buffer[index + 1] << 16) | \ + (pPcm_priv_data->pcm_buffer[index + 2] << 8) | (pPcm_priv_data->pcm_buffer[index + 3]); + if (header == pPcm_priv_data->pcm_bluray_header) { + pPcm_priv_data->frame_size_check_flag = 1; + pPcm_priv_data->frame_size_check = index - 4; + pPcm_priv_data->jump_read_head_flag = 1; + PRINTF("frame_size_check=%d\n", pPcm_priv_data->frame_size_check); + break; + } + + if (!pcm_read(pcm_read_ctl, &pPcm_priv_data->pcm_buffer[index + 4], 1)) { + PRINTF("[%s %d]NOTE--> no enough data\n", __FUNCTION__, __LINE__); + pcm_read_ctl->UsedDataLen = first_head_pos; + return -1; + } + index++; + } + + + memmove(pPcm_priv_data->pcm_buffer, &pPcm_priv_data->pcm_buffer[4], pPcm_priv_data->frame_size_check); + if (frame_size != pPcm_priv_data->frame_size_check) { + PRINTF("[%s %d]WARNING-->STREAM_ERR:frame_size!=frame_size_check %d/%d\n ", + __FUNCTION__, __LINE__, frame_size, pPcm_priv_data->frame_size_check); + frame_size = pPcm_priv_data->frame_size_check; + } + return frame_size; + +} + +static inline int16_t av_clip_int16(int a) +{ + if ((a + 32768) & ~65535) { + return (a >> 31) ^ 32767; + } else { + return a; + } +} + +static int pcm_decode_frame(pcm_read_ctl_t *pcm_read_ctl, unsigned char *buf, int len, aml_audio_dec_t *audec) +{ + short *sample; + unsigned char *src; + int size = 0, n, i, j, bps = 16, wifi_display_drop_header = 0; + int sample_size; + unsigned int header; + int16_t *dst_int16_t; + int32_t *dst_int32_t; + int64_t *dst_int64_t; + uint16_t *dst_uint16_t; + uint32_t *dst_uint32_t; + int frame_size; + audio_decoder_operations_t *adec_ops = (audio_decoder_operations_t *)audec->adec_ops; + pcm_priv_data_t *pPcm_priv_data = (pcm_priv_data_t *)adec_ops->priv_dec_data; + + sample = (short *)buf; + src = pPcm_priv_data->pcm_buffer; + + if (audec->format == AFORMAT_PCM_BLURAY) { + int i, j; + int tmp_buf[10] = {0}; + if (!pPcm_priv_data->frame_size_check_flag) { + frame_size = check_frame_size(pcm_read_ctl, audec, &bps); + if (frame_size < 0) { + return 0; + } + if (bps > 0) { + pPcm_priv_data->bit_per_sample = bps; + } + } else { + if (pPcm_priv_data->jump_read_head_flag == 1) { + frame_size = pPcm_priv_data->frame_size_check; + pPcm_priv_data->jump_read_head_flag = 0; + } else if (pPcm_priv_data->jump_read_head_flag == 0) { + +#ifdef CHECK_BLUERAY_PCM_HEADER + if (pcm_read(pcm_read_ctl, pPcm_priv_data->pcm_buffer, 4) == 0) { + return 0; + } + while (!pPcm_priv_data->BlurayHeaderCheckDisable) { + header = (pPcm_priv_data->pcm_buffer[0] << 24) | (pPcm_priv_data->pcm_buffer[1] << 16) | \ + (pPcm_priv_data->pcm_buffer[2] << 8) | (pPcm_priv_data->pcm_buffer[3]); + if (header == pPcm_priv_data->pcm_bluray_header) { + break; + } + pPcm_priv_data->pcm_buffer[0] = pPcm_priv_data->pcm_buffer[1]; + pPcm_priv_data->pcm_buffer[1] = pPcm_priv_data->pcm_buffer[2]; + pPcm_priv_data->pcm_buffer[2] = pPcm_priv_data->pcm_buffer[3]; + if (!pcm_read(pcm_read_ctl, &pPcm_priv_data->pcm_buffer[3], 1)) { + pcm_read_ctl->UsedDataLen -= 3; + return 0; + } + } +#else + if (!pcm_read(pcm_read_ctl, pPcm_priv_data->pcm_buffer, 4)) { + return 0; + } +#endif + + frame_size = pcm_bluray_pheader(pPcm_priv_data, audec, pPcm_priv_data->pcm_buffer, &bps); + pPcm_priv_data->bit_per_sample = bps; + if (frame_size < 960 || frame_size > 17280) { + PRINTF("STREAM_ERR:illegal blueray frame size \n"); + return 0; + } + +#ifdef CHECK_BLUERAY_PCM_HEADER + if (frame_size != pPcm_priv_data->frame_size_check && !pPcm_priv_data->BlurayHeaderCheckDisable) { + frame_size = pPcm_priv_data->frame_size_check; + } +#endif + + } + if (bps > 0) { + pPcm_priv_data->bit_per_sample = bps; + } + + if (!pcm_read(pcm_read_ctl, pPcm_priv_data->pcm_buffer, frame_size)) { + pcm_read_ctl->UsedDataLen -= 4; + return 0; + } + } + + if (pPcm_priv_data->bit_per_sample == 16) { + if (pPcm_priv_data->pcm_channels == 1) { + for (i = 0, j = 0; i < frame_size;) { + sample[j + 1] = sample[j] = (pPcm_priv_data->pcm_buffer[i] << 8) | pPcm_priv_data->pcm_buffer[i + 1]; + i += 2; + j += 2; + } + } else if (pPcm_priv_data->pcm_channels == 2) { + for (i = 0, j = 0; i < frame_size;) { + sample[j++] = (pPcm_priv_data->pcm_buffer[i] << 8) | pPcm_priv_data->pcm_buffer[i + 1]; + i += 2; + sample[j++] = (pPcm_priv_data->pcm_buffer[i] << 8) | pPcm_priv_data->pcm_buffer[i + 1]; + i += 2; + } + } else if (pPcm_priv_data->pcm_channels > 2 && pPcm_priv_data->pcm_channels <= 8) { + int k; + memset(tmp_buf, 0, sizeof(tmp_buf)); + for (i = 0, j = 0; i < frame_size;) { + for (k = 0; k < pPcm_priv_data->pcm_channels; k++) { + tmp_buf[k] = (int16_t)((pPcm_priv_data->pcm_buffer[i] << 8) | pPcm_priv_data->pcm_buffer[i + 1]); + i += 2; + } + //LoRo downmix:L R C Ls Rs LFE Lsr Rsr + sample[j++] = av_clip_int16(tmp_buf[0] + 0.707f * tmp_buf[2] + 0.707f * (tmp_buf[3] + tmp_buf[6])); //Lo=L+0.707C+0.707 (Ls+Lsr) + sample[j++] = av_clip_int16(tmp_buf[1] + 0.707f * tmp_buf[2] + 0.707f * (tmp_buf[4] + tmp_buf[7])); //Ro=R+0.707C+0.707(Rs+Rsr) + } + } + } else if (pPcm_priv_data->bit_per_sample == 24 || pPcm_priv_data->bit_per_sample == 20) { + int k; + memset(tmp_buf, 0, sizeof(tmp_buf)); + if (pPcm_priv_data->pcm_channels == 1) { + for (i = 0, j = 0; i < frame_size;) { + sample[j++] = (pPcm_priv_data->pcm_buffer[i] << 8) | pPcm_priv_data->pcm_buffer[i + 1]; + i += 3; + } + } else if (pPcm_priv_data->pcm_channels == 2) { + for (i = 0, j = 0; i < frame_size;) { + sample[j++] = (pPcm_priv_data->pcm_buffer[i] << 8) | pPcm_priv_data->pcm_buffer[i + 1]; + i += 3; + sample[j++] = (pPcm_priv_data->pcm_buffer[i] << 8) | pPcm_priv_data->pcm_buffer[i + 1]; + i += 3; + } + } else if (pPcm_priv_data->pcm_channels >= 2 && pPcm_priv_data->pcm_channels <= 8) { + int k; + memset(tmp_buf, 0, sizeof(tmp_buf)); + for (i = 0, j = 0; i < frame_size;) { + for (k = 0; k < pPcm_priv_data->pcm_channels; k++) { + tmp_buf[k] = (int16_t)(pPcm_priv_data->pcm_buffer[i] << 8) | pPcm_priv_data->pcm_buffer[i + 1]; + i += 3; + } + //LoRo downmix:L R C Ls Rs LFE Lsr Rsr + sample[j++] = av_clip_int16(tmp_buf[0] + 0.707f * tmp_buf[2] + 0.707f * (tmp_buf[3] + tmp_buf[6])); //Lo=L+0.707C+0.707 (Ls+Lsr) + sample[j++] = av_clip_int16(tmp_buf[1] + 0.707f * tmp_buf[2] + 0.707f * (tmp_buf[4] + tmp_buf[7])); //Ro=R+0.707C+0.707(Rs+Rsr) + } + } + } else { + PRINTF("[%s %d]blueray pcm is %d bps, don't process now\n", __FUNCTION__, __LINE__, pPcm_priv_data->bit_per_sample); + return 0; + } + return j * 2; + } else if (audec->format == AFORMAT_PCM_WIFIDISPLAY) { + //check audio info for wifi display LPCM, by zefeng.tong@amlogic.com + if (!pcm_read(pcm_read_ctl, pPcm_priv_data->pcm_buffer, Wifi_Display_Private_Header_Size)) { + return 0; + } + + if (pPcm_priv_data->pcm_buffer[0] == 0xa0) { + frame_size = parse_wifi_display_pcm_header(audec, pPcm_priv_data->pcm_buffer, &bps); + if (!pcm_read(pcm_read_ctl, pPcm_priv_data->pcm_buffer, frame_size)) { + pcm_read_ctl->UsedDataLen -= Wifi_Display_Private_Header_Size; + return -1; + } + pPcm_priv_data->bit_per_sample = bps; + } else { + frame_size = Wifi_Display_Private_Header_Size; //transimit error or something? + } + + if (pPcm_priv_data->bit_per_sample == 16) { + if (pPcm_priv_data->pcm_channels == 1) { + for (i = 0, j = 0; i < frame_size;) { + sample[j + 1] = sample[j] = (pPcm_priv_data->pcm_buffer[i] << 8) | pPcm_priv_data->pcm_buffer[i + 1]; + i += 2; + j += 2; + } + } else if (pPcm_priv_data->pcm_channels == 2) { + for (i = 0, j = 0; i < frame_size;) { + sample[j++] = (pPcm_priv_data->pcm_buffer[i] << 8) | pPcm_priv_data->pcm_buffer[i + 1]; + i += 2; + sample[j++] = (pPcm_priv_data->pcm_buffer[i] << 8) | pPcm_priv_data->pcm_buffer[i + 1]; + i += 2; + } + } + return frame_size; + } else { + PRINTF("[%s %d]wifi display:unimplemented bps %d\n", __FUNCTION__, __LINE__, bps); + } + + return 0; + } + + unsigned byte_to_read = pcm_buffer_size; + while (pcm_read_ctl->ValidDataLen < byte_to_read) { + byte_to_read = byte_to_read >> 1; + } + size = pcm_read(pcm_read_ctl, pPcm_priv_data->pcm_buffer, byte_to_read); + + sample_size = av_get_bits_per_sample(audec->format) / 8; + n = size / sample_size; + + switch (audec->format) { + case AFORMAT_ALAW: + case AFORMAT_MULAW: + for (; n > 0; n--) { + *sample++ = table[*src++]; + } + //dbuf.data_size = size *2; + size *= 2; + break; + + case AFORMAT_PCM_S16LE: { + int i, j; + short tmp_buf[10]; + short* p; + p = (short*)pPcm_priv_data->pcm_buffer; + if (pPcm_priv_data->pcm_channels == 6) { + for (i = 0, j = 0; (i + 6) < (size / 2);) { + *(tmp_buf) = p[i]; //L + *(tmp_buf + 1) = p[i + 1]; //R + *(tmp_buf + 2) = p[i + 2]; //C + i += 6; + + sample[j++] = (*(tmp_buf) >> 1) + (*(tmp_buf + 2) >> 1); + sample[j++] = (*(tmp_buf + 1) >> 1) + (*(tmp_buf + 2) >> 1); + } + size = 2 * j; + } else { + memcpy(sample, src, n * sample_size); + } + //dbuf.data_size = size; + + } + break; + + case AFORMAT_PCM_S16BE: + DECODE(int16_t, be16, src, sample, n, 0, 0) + break; + + case AFORMAT_PCM_U8: + for (; n > 0; n--) { + *sample++ = ((int) * src++ - 128) << 8; + } + //dbuf.data_size = size*2; + size *= 2; + break; + + default: + PRINTF("[%s %d]Not support format audec->format=%d!\n", __FUNCTION__, __LINE__, audec->format); + break; + } + + return size; +} + + +int audio_dec_init(audio_decoder_operations_t *adec_ops) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)(adec_ops->priv_data); + //PRINTF("\n\n[%s]BuildDate--%s BuildTime--%s", __FUNCTION__, __DATE__, __TIME__); + return pcm_init(audec); + +} + +int audio_dec_decode(audio_decoder_operations_t *adec_ops, char *outbuf, int *outlen, char *inbuf, int inlen) +{ + aml_audio_dec_t *audec = (aml_audio_dec_t *)(adec_ops->priv_data); + pcm_read_ctl_t pcm_read_ctl = {0}; + pcm_read_init(&pcm_read_ctl, inbuf, inlen); + *outlen = pcm_decode_frame(&pcm_read_ctl, outbuf, *outlen, audec); + return pcm_read_ctl.UsedDataLen; + +} + +int audio_dec_release(audio_decoder_operations_t *adec_ops) +{ + pcm_priv_data_t *pPcm_priv_data = (pcm_priv_data_t *)adec_ops->priv_dec_data; + if (pPcm_priv_data != NULL && pPcm_priv_data->pcm_buffer) { + free(pPcm_priv_data->pcm_buffer); + free(pPcm_priv_data); + } + adec_ops->priv_dec_data = NULL; + return 0; +} + +int audio_dec_getinfo(audio_decoder_operations_t *adec_ops, void *pAudioInfo) +{ + pcm_priv_data_t *pPcm_priv_data = (pcm_priv_data_t *)adec_ops->priv_dec_data; + ((AudioInfo *)pAudioInfo)->channels = pPcm_priv_data->pcm_channels > 2 ? 2 : pPcm_priv_data->pcm_channels; + ((AudioInfo *)pAudioInfo)->samplerate = pPcm_priv_data->pcm_samplerate; + return 0; +} + + + diff --git a/audio_codec/libraac/Android.mk b/audio_codec/libraac/Android.mk new file mode 100644 index 0000000..7458f94 --- a/dev/null +++ b/audio_codec/libraac/Android.mk @@ -0,0 +1,51 @@ +LOCAL_PATH := $(call my-dir) + +include $(CLEAR_VARS) +LOCAL_MODULE := libraac + +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +#ifeq ($(TARGET_ARCH),arm) +#LOCAL_SRC_FILES += sbrcov.s\ +# sbrqmfak.s\ +# sbrqmfsk.s +#endif +LOCAL_CFLAGS := -DHAVE_NEON=1 -DHAVE_CONFIG -DOPT_NEON -DREAL_IS_FLOAT -DAAC_ENABLE_SBR + +ifeq ($(TARGET_ARCH),arm) +LOCAL_CFLAGS += -mfloat-abi=softfp -mfpu=neon +endif + +LOCAL_ARM_MODE := arm +LOCAL_C_INCLUDES := $(LOCAL_PATH)\ + $(LOCAL_PATH)/include + +include $(BUILD_STATIC_LIBRARY) + + +######################################################################### +include $(CLEAR_VARS) + +LOCAL_MODULE := libraac + +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +#ifeq ($(TARGET_ARCH),arm) +#LOCAL_SRC_FILES += sbrcov.s\ +# sbrqmfak.s\ +# sbrqmfsk.s +#endif +LOCAL_CFLAGS := -DHAVE_NEON=1 -DHAVE_CONFIG -DOPT_NEON -DREAL_IS_FLOAT -DAAC_ENABLE_SBR + +ifeq ($(TARGET_ARCH),arm) +LOCAL_CFLAGS += -mfloat-abi=softfp -mfpu=neon +endif + +LOCAL_ARM_MODE := arm +LOCAL_MODULE_TAGS := optional +LOCAL_C_INCLUDES := $(LOCAL_PATH)\ + $(LOCAL_PATH)/include + +LOCAL_SHARED_LIBRARIES += libutils libmedia libz libbinder libdl libcutils libc + +LOCAL_PRELINK_MODULE := false + +include $(BUILD_SHARED_LIBRARY) diff --git a/audio_codec/libraac/aac_bitstream.c b/audio_codec/libraac/aac_bitstream.c new file mode 100644 index 0000000..696447f --- a/dev/null +++ b/audio_codec/libraac/aac_bitstream.c @@ -0,0 +1,200 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aac_bitstream.c,v 1.1.1.1.2.1 2005/05/04 18:21:58 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "aac_bitstream.h" + +/** The bitstream structure. + * The idea of the bitstream reader is to keep a cache word that has the machine's + * largest native size. This word keeps the next-to-read bits left-aligned so that + * on a read, one shift suffices. + * The cache word is only refilled if it does not contain enough bits to satisy a + * a read request. Because the refill only happens in multiple of 8 bits, the maximum + * read size that is guaranteed to be always fulfilled is the number of bits in a long + * minus 8 (or whatever the number of bits in a byte is). + */ + +struct BITSTREAM { + const unsigned char *buffer ; /**< points to the buffer holding the bits */ + const unsigned char *pkptr ; /**< read pointer */ + unsigned long cache ; /**< cache, always holds next bits left-aligned. */ + int cacheBitsLeft ; /**< number of bits left in cache */ + int nBits ; /**< the number of bits in the buffer */ + int inc ; /**< read direction (forward/backward) */ +} ; + +enum { + CACHEBITS = 8 * sizeof(unsigned long) +} ; + +static void fillUp(struct BITSTREAM *pBitstream) +{ + unsigned long k = 0 ; + + while (CACHEBITS - pBitstream->cacheBitsLeft >= 8) { + k = (k << 8) + *(pBitstream->pkptr) ; + (pBitstream->pkptr) += pBitstream->inc ; + pBitstream->cacheBitsLeft += 8 ; + } + pBitstream->cache |= (k << (CACHEBITS - pBitstream->cacheBitsLeft)) ; +} + +/** read nBits bits from bitstream + * @param pBitstream the bitstream to read from + * @param nBits the number of bits to read. nBits must be <= 32, currently. + * @return the bits read, right-justified + */ +unsigned int readBits(struct BITSTREAM *pBitstream, int nBits) +{ + unsigned int data ; + + if (pBitstream->cacheBitsLeft < nBits) { + fillUp(pBitstream) ; + } + + data = pBitstream->cache >> (CACHEBITS - nBits) ; + pBitstream->cache <<= nBits ; + pBitstream->cacheBitsLeft -= nBits ; + + return data ; +} + +/** push bits back into the bitstream. + * This call is here to make look-ahead possible, where after reading the client + * may realize it has read too far ahead. It is guaranteed to succeed as long as + * you don't push more bits back than have been read in the last readBits() call. + * @param pBitstream the bitstream to push back into + * @param bits the bits to push back + * @param nBits the number of bits to push back. + * @return an error code, signalling success or failure. + */ +int unreadBits(struct BITSTREAM *pBitstream, int bits, int nBits) +{ + pBitstream->cache = (pBitstream->cache >> nBits) | (bits << (CACHEBITS - nBits)) ; + pBitstream->cacheBitsLeft += nBits ; + return pBitstream->cacheBitsLeft > (signed)CACHEBITS ? -1 : 0 ; +} + +/** byte-align the bitstream read pointer. */ +void byteAlign(struct BITSTREAM *pBitstream) +{ + int adjust = (pBitstream->cacheBitsLeft & 7) ; + pBitstream->cache <<= adjust ; + pBitstream->cacheBitsLeft -= adjust ; +} + +/** allocate memory for a new bitstream structure. + * @param ppBitstream a pointer to a bitstream handle, to be initialized on + * successfull return + * @param nBits the maximum number of bits this bitstream must be able to hold. + * nBits must be divisible by 32. + * @param pUserMem optional user-defined memory handle + * @param fpMalloc user-defined malloc() implementation + * @return an error code, signalling success or failure. + * @see reverseBitstream + */ +int newBitstream(struct BITSTREAM **ppBitstream, int nBits, + void* pUserMem, rm_malloc_func_ptr fpMalloc) +{ + struct BITSTREAM *pBitstream ; + + pBitstream = (struct BITSTREAM *)fpMalloc(pUserMem, sizeof(struct BITSTREAM)) ; + if (!pBitstream || !ppBitstream) { + return -1 ; + } + + pBitstream->cacheBitsLeft = 0 ; + *ppBitstream = pBitstream ; + + return 0 ; +} + +/** free memory associated with a bitstream structure. + * @param pBitstream a bitstream handle + * @param pUserMem optional user-defined memory handle + * @param fpFree user-defined free() implementation + */ +void deleteBitstream(struct BITSTREAM *pBitstream, void* pUserMem, + rm_free_func_ptr fpFree) +{ + if (pBitstream) { + fpFree(pUserMem, pBitstream) ; + } +} + +/** feed nbits bits to the bitstream, byte-wise. + * @param pBitstream the bitstream into which to feed the bytes + * @param input the input from which to read the bytes + * @param nbits the number of bits in the input. nbits must be divisible by 32 + * for reverseBitstream() to work. + * @return an error code, signalling success or failure. + * @see reverseBitstream + */ + +int feedBitstream(struct BITSTREAM *pBitstream, const unsigned char *input, int nbits) +{ + pBitstream->buffer = input ; + pBitstream->nBits = nbits ; + + return 0 ; +} + +/** return the number of bits left until end-of-stream. + * @param pBitstream the bitstream + * @return the number of bits left + */ + +int bitsLeftInBitstream(struct BITSTREAM *pBitstream) +{ + return pBitstream->nBits - (pBitstream->pkptr - pBitstream->buffer) * 8 + pBitstream->cacheBitsLeft ; +} + +/** set bitstream position, relative to origin defined through feedBitstream(). + * @param pBitstream the bitstream + * @param position the position in bits (must be multiple of 8, currently). + * Always measured from beginning, regardless of direction. + * @param direction the direction of reading (+1/-1) + */ + +int setAtBitstream(struct BITSTREAM *pBitstream, int position, int direction) +{ + pBitstream->pkptr = pBitstream->buffer + (position >> 3) ; + pBitstream->cacheBitsLeft = 0 ; + pBitstream->cache = 0 ; + pBitstream->inc = direction ; + return 0 ; +} diff --git a/audio_codec/libraac/aac_bitstream.h b/audio_codec/libraac/aac_bitstream.h new file mode 100644 index 0000000..26f2fd6 --- a/dev/null +++ b/audio_codec/libraac/aac_bitstream.h @@ -0,0 +1,133 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aac_bitstream.h,v 1.1.1.1.2.1 2005/05/04 18:21:58 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/* bitstream reader functions. No checking for end-of-bits included! */ + +#ifndef _BITSTREAM_H_ +#define _BITSTREAM_H_ + +#include "include/rm_memory.h" + +#ifdef __cplusplus +extern "C" { +#endif + + /** The bitstream structure. + * The idea of the bitstream reader is to keep a cache word that has the machine's + * largest native size. This word keeps the next-to-read bits left-aligned so that + * on a read, one shift suffices. + * The cache word is only refilled if it does not contain enough bits to satisy a + * a read request. Because the refill only happens in multiple of 8 bits, the maximum + * read size that is guaranteed to be always fulfilled is the number of bits in a long + * minus 8 (or the number of bits in a byte). + */ + + struct BITSTREAM ; + + /** read nBits bits from bitstream + * @param pBitstream the bitstream to read from + * @param nBits the number of bits to read. nBits must be <= 32, currently. + * @return the bits read, right-justified + */ + unsigned int readBits(struct BITSTREAM *pBitstream, int nBits) ; + + /** push bits back into the bitstream. + * This call is here to make look-ahead possible, where after reading the client + * may realize it has read too far ahead. It is guaranteed to succeed as long as + * you don't push more bits back than have been read in the last readBits() call. + * @param pBitstream the bitstream to push back into + * @param bits the bits to push back + * @param nBits the number of bits to push back. + * @return an error code, signalling success or failure. + */ + int unreadBits(struct BITSTREAM *pBitstream, int bits, int nBits) ; + + /** byte-align the bitstream read pointer. */ + void byteAlign(struct BITSTREAM *pBitstream) ; + + /** allocate memory for a new bitstream structure. + * @param ppBitstream a pointer to a bitstream handle, to be initialized on + * successfull return + * @param nBits the maximum number of bits this bitstream must be able to hold. + * nBits must be divisible by 32. + * @param pUserMem optional user-defined memory handle + * @param fpMalloc user-defined malloc() implementation + * @return an error code, signalling success or failure. + * @see reverseBitstream + */ + int newBitstream(struct BITSTREAM **ppBitstream, int nBits, + void* pUserMem, rm_malloc_func_ptr fpMalloc) ; + + /** free memory associated with a bitstream structure. + * @param pBitstream a bitstream handle + * @param pUserMem optional user-defined memory handle + * @param fpFree user-defined free() implementation + */ + void deleteBitstream(struct BITSTREAM *pBitstream, void *pUserMem, + rm_free_func_ptr fpFree) ; + + /** feed nbits bits to the bitstream, byte-wise. + * @param pBitstream the bitstream into which to feed the bytes + * @param input the input from which to read the bytes + * @param nbits the number of bits in the input. nbits must be divisible by 32 + * for reverseBitstream() to work. + * @return an error code, signalling success or failure. + * @see reverseBitstream + */ + + int feedBitstream(struct BITSTREAM *pBitstream, const unsigned char *input, int nbits) ; + + /** set bitstream position, relative to origin defined through feedBitstream(). + * @param pBitstream the bitstream + * @param position the position in bits (must be multiple of 8, currently). + * Always measured from beginning, regardless of direction. + * @param direction the direction of reading (+1/-1) + */ + + int setAtBitstream(struct BITSTREAM *pBitstream, int position, int direction) ; + + /** return the number of bits left until end-of-stream. + * @param pBitstream the bitstream + * @return the number of bits left + */ + int bitsLeftInBitstream(struct BITSTREAM *pBitstream) ; + +#ifdef __cplusplus +} +#endif + +#endif /* _BITSTREAM_H_ */ diff --git a/audio_codec/libraac/aac_decode.h b/audio_codec/libraac/aac_decode.h new file mode 100644 index 0000000..98141e2 --- a/dev/null +++ b/audio_codec/libraac/aac_decode.h @@ -0,0 +1,148 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aac_decode.h,v 1.2.2.1 2005/05/04 18:21:58 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef AAC_DECODE_H +#define AAC_DECODE_H + +#include "include/helix_types.h" +#include "include/helix_result.h" +#include "include/ra_decode.h" + + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* aac decode struct */ + typedef struct aac_decode_struct { + void* pDecoder; + void* pFrameInfo; + UINT32 ulNumChannels; + UINT32 ulChannelMask; + UINT32 ulBlockSize; + UINT32 ulFrameSize; + UINT32 ulFramesPerBlock; + UINT32 ulSamplesPerFrame; + UINT32 ulSampleRateCore; + UINT32 ulSampleRateOut; + UINT32 ulDelayRemaining; + UINT32 ulSamplesToConceal; + HXBOOL bSBR; + } aac_decode; + + /* aac decode interface */ + + /* + * aac_decode_init + */ + HX_RESULT aac_decode_init(void* pInitParams, + UINT32 ulInitParamsSize, + ra_format_info* pStreamInfo, + void** pDecode, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* + * aac_decode_reset + */ + HX_RESULT aac_decode_reset(void* pDecode, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut); + + /* + * aac_decode_conceal + */ + HX_RESULT aac_decode_conceal(void* pDecode, + UINT32 ulNumSamples); + + /* + * aac_decode_decode + */ + HX_RESULT aac_decode_decode(void* pDecode, + UINT8* pData, + UINT32 ulNumBytes, + UINT32* pNumBytesConsumed, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut, + UINT32 ulFlags, + UINT32 ulTimeStamp); + + /* + * aac_decode_getmaxsize + */ + HX_RESULT aac_decode_getmaxsize(void* pDecode, + UINT32* pNumSamples); + + /* + * aac_decode_getchannels + */ + HX_RESULT aac_decode_getchannels(void* pDecode, + UINT32* pNumChannels); + + /* + * aac_decode_getchannelmask + */ + HX_RESULT aac_decode_getchannelmask(void* pDecode, + UINT32* pChannelMask); + + /* + * aac_decode_getrate + */ + HX_RESULT aac_decode_getrate(void* pDecode, + UINT32* pSampleRate); + + /* + * aac_decode_getdelay + */ + HX_RESULT aac_decode_getdelay(void* pDecode, + UINT32* pNumSamples); + + /* + * aac_decode_close + */ + HX_RESULT aac_decode_close(void* pDecode, + void* pUserMem, + rm_free_func_ptr fpFree); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef AAC_DECODE_H */ diff --git a/audio_codec/libraac/aac_decode_main.c b/audio_codec/libraac/aac_decode_main.c new file mode 100644 index 0000000..d184927 --- a/dev/null +++ b/audio_codec/libraac/aac_decode_main.c @@ -0,0 +1,396 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aac_decode.c,v 1.2.2.1 2005/05/04 18:21:58 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "include/helix_types.h" +#include "include/helix_result.h" +#include "aac_decode.h" +#include "include/ra_format_info.h" +#include "ga_config.h" +#include "aac_bitstream.h" +#include "aac_reorder.h" +#include "aac_decode.h" +#include "aacdec.h" +#include +//#include + +/* + * aac_decode_init + */ +HX_RESULT +aac_decode_init(void* pInitParams, + UINT32 ulInitParamsSize, + ra_format_info* pStreamInfo, + void** pDecode, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + HX_RESULT result = HXR_OK; + aac_decode* pDec; + AACFrameInfo *frameInfo; + ga_config_data configData; + UCHAR *pData; + UCHAR *inBuf; + INT16 *temp; + UINT32 numBytes, numBits; + UINT32 cfgType; + + /* for MP4 bitstream parsing */ + struct BITSTREAM *pBs = 0; + + /* allocate the aac_decode struct */ + pDec = (aac_decode*) fpMalloc(pUserMem, sizeof(aac_decode)); + if (pDec == HXNULL) { + return HXR_OUTOFMEMORY; + } + + memset(pDec, 0, sizeof(aac_decode)); + *pDecode = (void *)pDec; + + /* allocate the frame info struct */ + pDec->pFrameInfo = fpMalloc(pUserMem, sizeof(AACFrameInfo)); + frameInfo = (AACFrameInfo *) pDec->pFrameInfo; + /* allocate the decoder backend instance */ + pDec->pDecoder = AACInitDecoder(1); + if (pDec->pFrameInfo == HXNULL || pDec->pDecoder == HXNULL) { + return HXR_OUTOFMEMORY; + } + + /* save the stream info and init data we'll need later */ + pDec->ulNumChannels = (UINT32)pStreamInfo->usNumChannels; + pDec->ulBlockSize = pStreamInfo->ulGranularity; + pDec->ulFrameSize = pStreamInfo->ulBitsPerFrame; + pDec->ulFramesPerBlock = pDec->ulBlockSize / pDec->ulFrameSize; + /* output frame size is doubled for safety in case of implicit SBR */ + pDec->ulSamplesPerFrame = 1024 * pStreamInfo->usNumChannels * 2; + pDec->ulSampleRateCore = pStreamInfo->ulSampleRate; + pDec->ulSampleRateOut = pStreamInfo->ulActualRate; + if (pStreamInfo->ulOpaqueDataSize < 1) { + return HXR_FAIL; /* insufficient config data */ + } + + /* get the config data */ + pData = (UCHAR *)pStreamInfo->pOpaqueData; + cfgType = pData[0]; + inBuf = pData + 1; + numBytes = pStreamInfo->ulOpaqueDataSize - 1; + + if (cfgType == 1) { /* ADTS Frame */ + /* allocate temp buffer for decoding first ADTS frame */ + temp = (INT16 *)fpMalloc(pUserMem, sizeof(INT16) * pDec->ulSamplesPerFrame); + if (temp == HXNULL) { + return HXR_OUTOFMEMORY; + } else { + /* decode ADTS frame from opaque data to get config data */ + result = AACDecode(pDec->pDecoder, &inBuf, (INT32*)&numBytes, temp); + /* free the temp buffer */ + fpFree(pUserMem, temp); + } + + if (result == HXR_OK) { + /* get the config data struct from the decoder */ + AACGetLastFrameInfo(pDec->pDecoder, frameInfo); + + pDec->ulNumChannels = frameInfo->nChans; + pDec->ulSamplesPerFrame = frameInfo->outputSamps; + pDec->ulSampleRateCore = frameInfo->sampRateCore; + pDec->ulSampleRateOut = frameInfo->sampRateOut; + pDec->bSBR = (pDec->ulSampleRateCore != pDec->ulSampleRateOut); + } + } else if (cfgType == 2) { /* MP4 Audio Specific Config Data */ + numBits = numBytes * 8; + + if (newBitstream(&pBs, numBits, pUserMem, fpMalloc)) { + return HXR_FAIL; + } + + feedBitstream(pBs, (const UCHAR *)inBuf, numBits); + setAtBitstream(pBs, 0, 1); + result = ga_config_get_data(pBs, &configData); + deleteBitstream(pBs, pUserMem, fpFree); + if (result != HXR_OK) { /* config data error */ + return HXR_FAIL; + } + + pDec->ulNumChannels = configData.numChannels; + pDec->ulSampleRateCore = configData.samplingFrequency; + pDec->ulSampleRateOut = configData.extensionSamplingFrequency; + pDec->bSBR = configData.bSBR; + + /* ulSamplesPerFrame is set to the maximum possible output length. + * The config data has the initial output length, which might + * be doubled once the first frame is handed in (if AAC+ is + * signalled implicitly). + */ + pDec->ulSamplesPerFrame = 2 * configData.frameLength * configData.numChannels; + + /* setup decoder to handle raw data blocks */ + frameInfo->nChans = pDec->ulNumChannels; + frameInfo->sampRateCore = pDec->ulSampleRateCore; + + /* see MPEG4 spec for index of each object type */ + if (configData.audioObjectType == 2) { + frameInfo->profile = AAC_PROFILE_LC; + } else if (configData.audioObjectType == 1) { + frameInfo->profile = AAC_PROFILE_MP; + } else if (configData.audioObjectType == 3) { + frameInfo->profile = AAC_PROFILE_SSR; + } else { + frameInfo->profile = AAC_PROFILE_LC; /* don't know - assume LC */ + } + frameInfo->audio_send_by_frame = 0; + } else { /* unsupported config type */ + return HXR_FAIL; + } + + /* make certain that all the channels can be handled */ + if (pDec->ulNumChannels > AAC_MAX_NCHANS) { + return HXR_UNSUPPORTED_AUDIO; + } + + /* set the channel mask - custom maps not supported */ + switch (pDec->ulNumChannels) { + case 1: + pDec->ulChannelMask = 0x00004; /* FC */ + case 2: + pDec->ulChannelMask = 0x00003; /* FL,FR */ + case 3: + pDec->ulChannelMask = 0x00007; /* FL,FR,FC */ + case 4: + pDec->ulChannelMask = 0x00107; /* FL,FR,FC,BC */ + case 5: + pDec->ulChannelMask = 0x00037; /* FL,FR,FC,BL,BR */ + case 6: + pDec->ulChannelMask = 0x0003F; /* FL,FR,FC,LF,BL,BR */ + default: + pDec->ulChannelMask = 0xFFFFF; /* Unknown */ + } + + /* set the delay samples */ + pDec->ulDelayRemaining = pDec->ulSamplesPerFrame; + + /* set decoder to handle raw data blocks */ + AACSetRawBlockParams(pDec->pDecoder, 0, frameInfo); + + + return HXR_OK; +} + +HX_RESULT +aac_decode_reset(void* pDecode, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut) +{ + aac_decode* pDec = (aac_decode*) pDecode; + AACFlushCodec(pDec->pDecoder); + *pNumSamplesOut = 0; + pDec->ulSamplesToConceal = 0; + + /* reset the delay compensation */ + pDec->ulDelayRemaining = pDec->ulSamplesPerFrame; + + return HXR_OK; +} + +HX_RESULT +aac_decode_conceal(void* pDecode, + UINT32 ulNumSamples) +{ + aac_decode* pDec = (aac_decode*) pDecode; + if (pDec->bSBR) { + pDec->ulSamplesToConceal = (ulNumSamples + 2 * AAC_MAX_NSAMPS - 1) / (2 * AAC_MAX_NSAMPS); + } else { + pDec->ulSamplesToConceal = (ulNumSamples + AAC_MAX_NSAMPS - 1) / AAC_MAX_NSAMPS; + } + + return HXR_OK; +} + +HX_RESULT +aac_decode_decode(void* pDecode, + UINT8* pData, + UINT32 ulNumBytes, + UINT32* pNumBytesConsumed, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut, + UINT32 ulFlags, + UINT32 ulTimeStamp) +{ + HX_RESULT retVal = HXR_FAIL; + aac_decode* pDec = (aac_decode*) pDecode; + AACFrameInfo *frameInfo = pDec->pFrameInfo; + UINT32 lostFlag, maxSamplesOut; + UINT32 ulNumBytesRemaining; + UINT8* inBuf = pData; + UINT16* outBuf = pSamplesOut; + + ulNumBytesRemaining = ulNumBytes; + *pNumBytesConsumed = 0; + *pNumSamplesOut = 0; + + lostFlag = !(ulFlags & 1); + + if (pDec->ulSamplesToConceal || lostFlag) { + if (lostFlag) { /* conceal one frame */ + *pNumSamplesOut = pDec->ulSamplesPerFrame; + } else { + maxSamplesOut = pDec->ulSamplesPerFrame * pDec->ulFramesPerBlock; + *pNumSamplesOut = maxSamplesOut; + if (pDec->ulSamplesToConceal < maxSamplesOut) { + *pNumSamplesOut = pDec->ulSamplesToConceal; + } + pDec->ulSamplesToConceal -= *pNumSamplesOut; + } + /* just fill with silence */ + memset(pSamplesOut, 0, *pNumSamplesOut * sizeof(INT16)); + AACFlushCodec(pDec->pDecoder); + + *pNumBytesConsumed = 0; + return HXR_OK; + } + + retVal = AACDecode(pDec->pDecoder, &inBuf, + (INT32*)&ulNumBytesRemaining, (INT16*)outBuf); + if (retVal == ERR_AAC_NONE) { + AACGetLastFrameInfo(pDec->pDecoder, frameInfo); + AACReorderPCMChannels((INT16*)outBuf, frameInfo->outputSamps, frameInfo->nChans); + pDec->ulSampleRateCore = frameInfo->sampRateCore; + pDec->ulSampleRateOut = frameInfo->sampRateOut; + pDec->ulNumChannels = frameInfo->nChans; + *pNumSamplesOut = frameInfo->outputSamps; + *pNumBytesConsumed = ulNumBytes - ulNumBytesRemaining; + retVal = HXR_OK; + } else if (retVal == ERR_AAC_INDATA_UNDERFLOW) { + retVal = HXR_NO_DATA; + } else { + retVal = HXR_FAIL; + } + + /* Zero out invalid output samples */ + if (*pNumSamplesOut == 0) { + /* protect consumer ears by zeroing the output buffer */ + memset(pSamplesOut, 0, pDec->ulSamplesPerFrame * sizeof(UINT16)); + } else if (pDec->ulDelayRemaining > 0) { /* delay samples */ + if (pDec->ulDelayRemaining >= *pNumSamplesOut) { + pDec->ulDelayRemaining -= *pNumSamplesOut; + *pNumSamplesOut = 0; + } else { + *pNumSamplesOut -= pDec->ulDelayRemaining; + memmove(pSamplesOut, pSamplesOut + pDec->ulDelayRemaining, *pNumSamplesOut); + pDec->ulDelayRemaining = 0; + } + } + + return retVal; +} + +HX_RESULT +aac_decode_getmaxsize(void* pDecode, + UINT32* pNumSamples) +{ + aac_decode* pDec = (aac_decode *)pDecode; + *pNumSamples = pDec->ulSamplesPerFrame * pDec->ulFramesPerBlock; + + return HXR_OK; +} + +HX_RESULT +aac_decode_getchannels(void* pDecode, + UINT32* pNumChannels) +{ + aac_decode* pDec = (aac_decode *)pDecode; + *pNumChannels = pDec->ulNumChannels; + + return HXR_OK; +} + +HX_RESULT +aac_decode_getchannelmask(void* pDecode, + UINT32* pChannelMask) +{ + aac_decode* pDec = (aac_decode *)pDecode; + *pChannelMask = pDec->ulChannelMask; + + return HXR_OK; +} + +HX_RESULT +aac_decode_getrate(void* pDecode, + UINT32* pSampleRate) +{ + aac_decode* pDec = (aac_decode *)pDecode; + *pSampleRate = pDec->ulSampleRateOut; + + return HXR_OK; +} + +HX_RESULT +aac_decode_getdelay(void* pDecode, + UINT32* pNumSamples) +{ + aac_decode* pDec = (aac_decode *)pDecode; + /* delay compensation is handled internally */ + *pNumSamples = 0; + + return HXR_OK; +} + +HX_RESULT +aac_decode_close(void* pDecode, + void* pUserMem, + rm_free_func_ptr fpFree) +{ + aac_decode* pDec = (aac_decode *)pDecode; + /* free the aac decoder */ + if (pDec->pDecoder) { + AACFreeDecoder(pDec->pDecoder); + pDec->pDecoder = HXNULL; + } + /* free the frame info struct */ + if (pDec->pFrameInfo) { + fpFree(pUserMem, pDec->pFrameInfo); + pDec->pFrameInfo = HXNULL; + } + /* free the aac backend */ + fpFree(pUserMem, pDec); + pDec = HXNULL; + + return HXR_OK; +} diff --git a/audio_codec/libraac/aac_reorder.c b/audio_codec/libraac/aac_reorder.c new file mode 100644 index 0000000..1a11813 --- a/dev/null +++ b/audio_codec/libraac/aac_reorder.c @@ -0,0 +1,85 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aac_reorder.c,v 1.1.1.1.2.1 2005/05/04 18:21:58 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include "aac_reorder.h" + +void AACReorderPCMChannels(INT16 *pcmBuf, int nSamps, int nChans) +{ + int i, ch, chanMap[6]; + INT16 tmpBuf[6]; + + switch (nChans) { + case 3: + chanMap[0] = 1; /* L */ + chanMap[1] = 2; /* R */ + chanMap[2] = 0; /* C */ + break; + case 4: + chanMap[0] = 1; /* L */ + chanMap[1] = 2; /* R */ + chanMap[2] = 0; /* C */ + chanMap[3] = 3; /* S */ + break; + case 5: + chanMap[0] = 1; /* L */ + chanMap[1] = 2; /* R */ + chanMap[2] = 0; /* C */ + chanMap[3] = 3; /* LS */ + chanMap[4] = 4; /* RS */ + break; + case 6: + chanMap[0] = 1; /* L */ + chanMap[1] = 2; /* R */ + chanMap[2] = 0; /* C */ + chanMap[3] = 5; /* LFE */ + chanMap[4] = 3; /* LS */ + chanMap[5] = 4; /* RS */ + break; + default: + return; + } + + for (i = 0; i < nSamps; i += nChans) { + for (ch = 0; ch < nChans; ch++) { + tmpBuf[ch] = pcmBuf[chanMap[ch]]; + } + for (ch = 0; ch < nChans; ch++) { + pcmBuf[ch] = tmpBuf[ch]; + } + pcmBuf += nChans; + } +} diff --git a/audio_codec/libraac/aac_reorder.h b/audio_codec/libraac/aac_reorder.h new file mode 100644 index 0000000..e4bbf60 --- a/dev/null +++ b/audio_codec/libraac/aac_reorder.h @@ -0,0 +1,53 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aac_reorder.h,v 1.1.1.1.2.1 2005/05/04 18:21:58 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef AAC_REORDER_H +#define AAC_REORDER_H + +#include "include/helix_types.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + void AACReorderPCMChannels(INT16 *pcmBuf, int nSamps, int nChans); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef AAC_REORDER_H */ diff --git a/audio_codec/libraac/aaccommon.h b/audio_codec/libraac/aaccommon.h new file mode 100644 index 0000000..85f1a91 --- a/dev/null +++ b/audio_codec/libraac/aaccommon.h @@ -0,0 +1,200 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aaccommon.h,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * aaccommon.h - implementation-independent API's, datatypes, and definitions + **************************************************************************************/ + +#ifndef _AACCOMMON_H +#define _AACCOMMON_H + +#include "aacdec.h" +#include "statname.h" + +/* 12-bit syncword */ +#define SYNCWORDH 0xff +#define SYNCWORDL 0xf0 + +#define SYNCWORD0 0x67 +#define SYNCWORD1 0x89 + +#define MAX_NCHANS_ELEM 2 /* max number of channels in any single bitstream element (SCE,CPE,CCE,LFE) */ + +#define ADTS_HEADER_BYTES 7 +#define NUM_SAMPLE_RATES 12 +#define NUM_DEF_CHAN_MAPS 8 +#define NUM_ELEMENTS 8 +#define MAX_NUM_PCE_ADIF 16 + +#define MAX_WIN_GROUPS 8 +#define MAX_SFB_SHORT 15 +#define MAX_SF_BANDS (MAX_SFB_SHORT*MAX_WIN_GROUPS) /* worst case = 15 sfb's * 8 windows for short block */ +#define MAX_MS_MASK_BYTES ((MAX_SF_BANDS + 7) >> 3) +#define MAX_PRED_SFB 41 +#define MAX_TNS_FILTERS 8 +#define MAX_TNS_COEFS 60 +#define MAX_TNS_ORDER 20 +#define MAX_PULSES 4 +#define MAX_GAIN_BANDS 3 +#define MAX_GAIN_WIN 8 +#define MAX_GAIN_ADJUST 7 + +#define NSAMPS_LONG 1024 +#define NSAMPS_SHORT 128 + +#define NUM_SYN_ID_BITS 3 +#define NUM_INST_TAG_BITS 4 + +#define EXT_SBR_DATA 0x0d +#define EXT_SBR_DATA_CRC 0x0e + +#define IS_ADIF(p) ((p)[0] == 'A' && (p)[1] == 'D' && (p)[2] == 'I' && (p)[3] == 'F') +#define GET_ELE_ID(p) ((AACElementID)(*(p) >> (8-NUM_SYN_ID_BITS))) + +/* AAC file format */ +enum { + AAC_FF_Unknown = 0, /* should be 0 on init */ + + AAC_FF_ADTS = 1, + AAC_FF_ADIF = 2, + AAC_FF_RAW = 3 + +}; + +/* syntactic element type */ +enum { + AAC_ID_INVALID = -1, + + AAC_ID_SCE = 0, + AAC_ID_CPE = 1, + AAC_ID_CCE = 2, + AAC_ID_LFE = 3, + AAC_ID_DSE = 4, + AAC_ID_PCE = 5, + AAC_ID_FIL = 6, + AAC_ID_END = 7 +}; + +typedef struct _AACDecInfo { + /* pointers to platform-specific state information */ + void *psInfoBase; /* baseline MPEG-4 LC decoding */ + void *psInfoSBR; /* MPEG-4 SBR decoding */ + + /* raw decoded data, before rounding to 16-bit PCM (for postprocessing such as SBR) */ + void *rawSampleBuf[AAC_MAX_NCHANS]; + int rawSampleBytes; + int rawSampleFBits; + + /* fill data (can be used for processing SBR or other extensions) */ + unsigned char *fillBuf; + int fillCount; + int fillExtType; + + /* block information */ + int prevBlockID; + int currBlockID; + int currInstTag; + int sbDeinterleaveReqd[MAX_NCHANS_ELEM]; + int adtsBlocksLeft; + + /* user-accessible info */ + int bitRate; + int nChans; + int sampRate; + int profile; + int format; + int sbrEnabled; + int tnsUsed; + int pnsUsed; + int frameCount; + int byteParsed; + int sampleDecoded; + unsigned audio_send_by_frame; +} AACDecInfo; + +/* decoder functions which must be implemented for each platform */ +AACDecInfo *AllocateBuffers(void); +void FreeBuffers(AACDecInfo *aacDecInfo); +void ClearBuffer(void *buf, int nBytes); + +int UnpackADTSHeader(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail); +int GetADTSChannelMapping(AACDecInfo *aacDecInfo, unsigned char *buf, int bitOffset, int bitsAvail); +int UnpackADIFHeader(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail); +int SetRawBlockParams(AACDecInfo *aacDecInfo, int copyLast, int nChans, int sampRate, int profile); +int PrepareRawBlock(AACDecInfo *aacDecInfo); +int FlushCodec(AACDecInfo *aacDecInfo); + +int DecodeNextElement(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail); +int DecodeNoiselessData(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail, int ch); + +int Dequantize(AACDecInfo *aacDecInfo, int ch); +int StereoProcess(AACDecInfo *aacDecInfo); +int DeinterleaveShortBlocks(AACDecInfo *aacDecInfo, int ch); +int PNS(AACDecInfo *aacDecInfo, int ch); +int TNSFilter(AACDecInfo *aacDecInfo, int ch); +int IMDCT(AACDecInfo *aacDecInfo, int ch, int chBase, short *outbuf); + +/* SBR specific functions */ +int InitSBR(AACDecInfo *aacDecInfo); +void FreeSBR(AACDecInfo *aacDecInfo); +int DecodeSBRBitstream(AACDecInfo *aacDecInfo, int chBase); +int DecodeSBRData(AACDecInfo *aacDecInfo, int chBase, short *outbuf); +int FlushCodecSBR(AACDecInfo *aacDecInfo); + +/* aactabs.c - global ROM tables */ +extern const int sampRateTab[NUM_SAMPLE_RATES]; +extern const int predSFBMax[NUM_SAMPLE_RATES]; +extern const int channelMapTab[NUM_DEF_CHAN_MAPS]; +extern const int elementNumChans[NUM_ELEMENTS]; +extern const unsigned char sfBandTotalShort[NUM_SAMPLE_RATES]; +extern const unsigned char sfBandTotalLong[NUM_SAMPLE_RATES]; +extern const int sfBandTabShortOffset[NUM_SAMPLE_RATES]; +extern const short sfBandTabShort[76]; +extern const int sfBandTabLongOffset[NUM_SAMPLE_RATES]; +extern const short sfBandTabLong[325]; +extern const int tnsMaxBandsShortOffset[AAC_NUM_PROFILES]; +extern const unsigned char tnsMaxBandsShort[2 * NUM_SAMPLE_RATES]; +extern const unsigned char tnsMaxOrderShort[AAC_NUM_PROFILES]; +extern const int tnsMaxBandsLongOffset[AAC_NUM_PROFILES]; +extern const unsigned char tnsMaxBandsLong[2 * NUM_SAMPLE_RATES]; +extern const unsigned char tnsMaxOrderLong[AAC_NUM_PROFILES]; + +#endif /* _AACCOMMON_H */ diff --git a/audio_codec/libraac/aacdec.c b/audio_codec/libraac/aacdec.c new file mode 100644 index 0000000..aa553a1 --- a/dev/null +++ b/audio_codec/libraac/aacdec.c @@ -0,0 +1,607 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aacdec.c,v 1.1 2005/02/26 01:47:31 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * aacdec.c - platform-independent top level decoder API + **************************************************************************************/ +#include "aaccommon.h" +#include "bitstream.h" +//#include +#include +#include "aacdec.h" + +extern FILE*fpdbg; +extern void RefillBitStream(); +extern void set_timestamp_len(unsigned val); +extern void set_timestamp(unsigned val); + +int aac_need_align_bitstream = 0; +int AACDataSource = 1; + +/************************************************************************************** + * Function: AACInitDecoder + * + * Description: allocate memory for platform-specific data + * clear all the user-accessible fields + * initialize SBR decoder if enabled + * + * Inputs: none + * + * Outputs: none + * + * Return: handle to AAC decoder instance, 0 if malloc fails + **************************************************************************************/ +HAACDecoder AACInitDecoder(int DataSource) +{ + AACDecInfo *aacDecInfo; + + AACDataSource = DataSource; + aacDecInfo = AllocateBuffers(); + if (!aacDecInfo) { + return 0; + } + +#ifdef AAC_ENABLE_SBR + if (InitSBR(aacDecInfo)) { + AACFreeDecoder(aacDecInfo); + return 0; + } +#endif + + if (AACDataSource == 0) { + InitBitStream(); + } + return (HAACDecoder)aacDecInfo; +} + +/************************************************************************************** + * Function: AACFreeDecoder + * + * Description: free platform-specific data allocated by AACInitDecoder + * free SBR decoder if enabled + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * + * Outputs: none + * + * Return: none + **************************************************************************************/ +void AACFreeDecoder(HAACDecoder hAACDecoder) +{ + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (!aacDecInfo) { + return; + } + +#ifdef AAC_ENABLE_SBR + FreeSBR(aacDecInfo); +#endif + FreeBuffers(aacDecInfo); +} + +/************************************************************************************** + * Function: AACFindSyncWord + * + * Description: locate the next byte-alinged sync word in the raw AAC stream + * + * Inputs: buffer to search for sync word + * max number of bytes to search in buffer + * + * Outputs: none + * + * Return: offset to first sync word (bytes from start of buf) + * -1 if sync not found after searching nBytes + **************************************************************************************/ +int AACFindSyncWord(unsigned char *buf, int nBytes) +{ + int sync0 = 0; + int sync1 = 0; + int i; + + if (AACDataSource == 0) { + while (1) { + sync0 = GetBits(0, 8); + if (sync0 != 0xff) { + continue; + } + sync1 = GetBits(0, 4); + if (sync1 != 0xf) { + GetBits(0, 4); + continue; + } + return 0; + } + return -1; + } else { + /* find byte-aligned syncword (12 bits = 0xFFF) */ + for (i = 0; i < nBytes - 1; i++) { + if ((buf[i + 0] & SYNCWORDH) == SYNCWORDH && (buf[i + 1] & SYNCWORDL) == SYNCWORDL) { + return i; + } + } + + return -1; + } +} + +int AACFindSyncWordRaw(unsigned char *buf, int nBytes) +{ + int sync0 = 0; + int sync1 = 0; + + if (AACDataSource == 0) { + while (1) { + sync0 = GetBits(0, 8); + if (sync0 != SYNCWORD0) { + continue; + } + sync1 = GetBits(0, 8); + if (sync1 != SYNCWORD1) { + continue; + } + RefillBitStream(); + return 0; + } + } + return 0; +} + +/************************************************************************************** + * Function: AACGetLastFrameInfo + * + * Description: get info about last AAC frame decoded (number of samples decoded, + * sample rate, bit rate, etc.) + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * pointer to AACFrameInfo struct + * + * Outputs: filled-in AACFrameInfo struct + * + * Return: none + * + * Notes: call this right after calling AACDecode() + **************************************************************************************/ +void AACGetLastFrameInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo) +{ + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (!aacDecInfo) { + aacFrameInfo->format = 0; + aacFrameInfo->bitRate = 0; + aacFrameInfo->nChans = 0; + aacFrameInfo->sampRateCore = 0; + aacFrameInfo->sampRateOut = 0; + aacFrameInfo->bitsPerSample = 0; + aacFrameInfo->outputSamps = 0; + aacFrameInfo->profile = 0; + aacFrameInfo->tnsUsed = 0; + aacFrameInfo->pnsUsed = 0; + } else { + aacFrameInfo->format = aacDecInfo->format; + aacFrameInfo->nChans = aacDecInfo->nChans; + aacFrameInfo->sampRateCore = aacDecInfo->sampRate; + aacFrameInfo->sampRateOut = aacDecInfo->sampRate * (aacDecInfo->sbrEnabled ? 2 : 1); + aacFrameInfo->bitsPerSample = 16; + aacFrameInfo->outputSamps = aacDecInfo->nChans * AAC_MAX_NSAMPS * (aacDecInfo->sbrEnabled ? 2 : 1); + aacFrameInfo->profile = aacDecInfo->profile; + aacFrameInfo->tnsUsed = aacDecInfo->tnsUsed; + aacFrameInfo->pnsUsed = aacDecInfo->pnsUsed; + } +} + +void AACGetDecoderInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo) +{ + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (aacDecInfo) { + aacFrameInfo->format = aacDecInfo->format; + aacFrameInfo->nChans = aacDecInfo->nChans; + aacFrameInfo->sampRateCore = aacDecInfo->sampRate; + aacFrameInfo->sampRateOut = aacDecInfo->sampRate * (aacDecInfo->sbrEnabled ? 2 : 1); + aacFrameInfo->bitsPerSample = 16; + aacFrameInfo->outputSamps = aacDecInfo->nChans * AAC_MAX_NSAMPS * (aacDecInfo->sbrEnabled ? 2 : 1); + aacFrameInfo->profile = aacDecInfo->profile; + aacFrameInfo->tnsUsed = aacDecInfo->tnsUsed; + aacFrameInfo->pnsUsed = aacDecInfo->pnsUsed; + aacFrameInfo->total_byte_parsed = aacDecInfo->byteParsed; + aacFrameInfo->total_sample_decoded = aacDecInfo->sampleDecoded; + + if (aacDecInfo->bitRate) { + aacFrameInfo->bitRate = aacDecInfo->bitRate; + } else if (aacDecInfo->sampleDecoded > 0) { + aacFrameInfo->bitRate = (int)(((float)(aacDecInfo->byteParsed)) / ((float)aacDecInfo->sampleDecoded / (float)aacFrameInfo->sampRateOut)) << 3; + } + } +} + +/************************************************************************************** + * Function: AACSetRawBlockParams + * + * Description: set internal state variables for decoding a stream of raw data blocks + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * flag indicating source of parameters + * AACFrameInfo struct, with the members nChans, sampRate, and profile + * optionally filled-in + * + * Outputs: updated codec state + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: if copyLast == 1, then the codec sets up its internal state (for + * decoding raw blocks) based on previously-decoded ADTS header info + * if copyLast == 0, then the codec uses the values passed in + * aacFrameInfo to configure its internal state (useful when the + * source is MP4 format, for example) + **************************************************************************************/ +int AACSetRawBlockParams(HAACDecoder hAACDecoder, int copyLast, AACFrameInfo *aacFrameInfo) +{ + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (!aacDecInfo) { + return ERR_AAC_NULL_POINTER; + } + + aacDecInfo->format = AAC_FF_RAW; + aacDecInfo->audio_send_by_frame = aacFrameInfo->audio_send_by_frame; + if (copyLast) { + return SetRawBlockParams(aacDecInfo, 1, 0, 0, 0); + } else { + return SetRawBlockParams(aacDecInfo, 0, aacFrameInfo->nChans, aacFrameInfo->sampRateCore, aacFrameInfo->profile); + } +} + +/************************************************************************************** + * Function: AACFlushCodec + * + * Description: flush internal codec state (after seeking, for example) + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * + * Outputs: updated state variables in aacDecInfo + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int AACFlushCodec(HAACDecoder hAACDecoder) +{ + int ch; + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (!aacDecInfo) { + return ERR_AAC_NULL_POINTER; + } + /* reset common state variables which change per-frame + * don't touch state variables which are (usually) constant for entire clip + * (nChans, sampRate, profile, format, sbrEnabled) + */ + aacDecInfo->prevBlockID = AAC_ID_INVALID; + aacDecInfo->currBlockID = AAC_ID_INVALID; + aacDecInfo->currInstTag = -1; + for (ch = 0; ch < MAX_NCHANS_ELEM; ch++) { + aacDecInfo->sbDeinterleaveReqd[ch] = 0; + } + aacDecInfo->adtsBlocksLeft = 0; + aacDecInfo->tnsUsed = 0; + aacDecInfo->pnsUsed = 0; + + /* reset internal codec state (flush overlap buffers, etc.) */ + FlushCodec(aacDecInfo); +#ifdef AAC_ENABLE_SBR + FlushCodecSBR(aacDecInfo); +#endif + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: AACDecode + * + * Description: decode AAC frame + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * double pointer to buffer of AAC data + * pointer to number of valid bytes remaining in inbuf + * pointer to outbuf, big enough to hold one frame of decoded PCM samples + * (outbuf must be double-sized if SBR enabled) + * + * Outputs: PCM data in outbuf, interleaved LRLRLR... if stereo + * number of output samples = 1024 per channel (2048 if SBR enabled) + * updated inbuf pointer + * updated bytesLeft + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: inbuf pointer and bytesLeft are not updated until whole frame is + * successfully decoded, so if ERR_AAC_INDATA_UNDERFLOW is returned + * just call AACDecode again with more data in inbuf + **************************************************************************************/ +int AACDecode(HAACDecoder hAACDecoder, unsigned char **inbuf, int *bytesLeft, short *outbuf) +{ + int err, offset, bitOffset, bitsAvail; + int ch, baseChan, baseChanSBR, elementChans; + unsigned char *inptr; + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; +#ifdef AAC_ENABLE_SBR + int elementChansSBR; +#endif + int data; + unsigned char buf[4]; + + if (AACDataSource == 0) { + if (aac_need_align_bitstream) { + ByteAlignBitstream(0); + aac_need_align_bitstream = 0; + } + } + if (!aacDecInfo) { + return ERR_AAC_NULL_POINTER; + } + /* make local copies (see "Notes" above) */ + if (AACDataSource == 1) { + inptr = *inbuf; + bitOffset = 0; + bitsAvail = (*bytesLeft) << 3; + } else { + data = GetBitsNoAdvance(NULL, 32); + buf[0] = data >> 24; + buf[1] = data >> 16; + buf[2] = data >> 8; + buf[3] = data; + if (buf[0] == 'A' && buf[1] == 'P' && buf[2] == 'T' && buf[3] == 'S') { + register unsigned char tmp0, tmp1, tmp2, tmp3; + AdvanceBitstream(NULL, 16); // skip "APTS" + AdvanceBitstream(NULL, 16); + + // timestamp + tmp0 = GetBits(NULL, 8); + tmp1 = GetBits(NULL, 8); + tmp2 = GetBits(NULL, 8); + tmp3 = GetBits(NULL, 8); + set_timestamp((tmp0 << 24) | (tmp1 << 16) | (tmp2 << 8) | (tmp3)); + + // length + tmp0 = GetBits(NULL, 8); + tmp1 = GetBits(NULL, 8); + tmp2 = GetBits(NULL, 8); + tmp3 = GetBits(NULL, 8); + set_timestamp_len((tmp0 << 24) | (tmp1 << 16) | (tmp2 << 8) | (tmp3)); + + data = GetBitsNoAdvance(NULL, 32); + buf[0] = data >> 24; + buf[1] = data >> 16; + buf[2] = data >> 8; + buf[3] = data; + } + inptr = buf; + bitOffset = 0; + bitsAvail = 32; + } + /* first time through figure out what the file format is */ + if (aacDecInfo->format == AAC_FF_Unknown) { + if (AACDataSource == 1) { + if (bitsAvail < 32) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + if (IS_ADIF(inptr)) { + /* unpack ADIF header */ + aacDecInfo->format = AAC_FF_ADIF; + err = UnpackADIFHeader(aacDecInfo, &inptr, &bitOffset, &bitsAvail); + if (err) { + return err; + } + } else { + /* assume ADTS by default */ + aacDecInfo->format = AAC_FF_ADTS; + } + } + /* if ADTS, search for start of next frame */ + if (aacDecInfo->format == AAC_FF_ADTS) { + /* can have 1-4 raw data blocks per ADTS frame (header only present for first one) */ + if (aacDecInfo->adtsBlocksLeft == 0) { + offset = AACFindSyncWord(inptr, bitsAvail >> 3); + if (AACDataSource == 1) { + if (offset < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + inptr += offset; + bitsAvail -= (offset << 3); + } + err = UnpackADTSHeader(aacDecInfo, &inptr, &bitOffset, &bitsAvail); + if (err) { + return err; + } + + if (aacDecInfo->nChans == -1) { + /* figure out implicit channel mapping if necessary */ + err = GetADTSChannelMapping(aacDecInfo, inptr, bitOffset, bitsAvail); + if (err) { + return err; + } + } + } + aacDecInfo->adtsBlocksLeft--; + } else if (aacDecInfo->format == AAC_FF_RAW) { + if (AACDataSource == 0) { + /* skip raw header*/ + if (aacDecInfo->audio_send_by_frame) { + offset = AACFindSyncWordRaw(inptr, bitsAvail >> 3); + } + } + err = PrepareRawBlock(aacDecInfo); + if (err) { + return err; + } + } + + /* check for valid number of channels */ + if (aacDecInfo->nChans > AAC_MAX_NCHANS || aacDecInfo->nChans <= 0) { + //printk("AAC ERR: ERR_AAC_NCHANS_TOO_HIGH\n"); + return ERR_AAC_NCHANS_TOO_HIGH; + } + + /* will be set later if active in this frame */ + aacDecInfo->tnsUsed = 0; + aacDecInfo->pnsUsed = 0; + + bitOffset = 0; + baseChan = 0; + baseChanSBR = 0; + do { + /* parse next syntactic element */ + err = DecodeNextElement(aacDecInfo, &inptr, &bitOffset, &bitsAvail); + if (err) { + return err; + } + + elementChans = elementNumChans[aacDecInfo->currBlockID]; + if (baseChan + elementChans > AAC_MAX_NCHANS) { + return ERR_AAC_NCHANS_TOO_HIGH; + } + + /* noiseless decoder and dequantizer */ + for (ch = 0; ch < elementChans; ch++) { + err = DecodeNoiselessData(aacDecInfo, &inptr, &bitOffset, &bitsAvail, ch); + if (err) { + return err; + } + + if (Dequantize(aacDecInfo, ch)) { + return ERR_AAC_DEQUANT; + } + } + + /* mid-side and intensity stereo */ + if (aacDecInfo->currBlockID == AAC_ID_CPE) { + if (StereoProcess(aacDecInfo)) { + return ERR_AAC_STEREO_PROCESS; + } + } + + /* PNS, TNS, inverse transform */ + for (ch = 0; ch < elementChans; ch++) { + if (PNS(aacDecInfo, ch)) { + return ERR_AAC_PNS; + } + + if (aacDecInfo->sbDeinterleaveReqd[ch]) { + /* deinterleave short blocks, if required */ + if (DeinterleaveShortBlocks(aacDecInfo, ch)) { + return ERR_AAC_SHORT_BLOCK_DEINT; + } + aacDecInfo->sbDeinterleaveReqd[ch] = 0; + } + + if (TNSFilter(aacDecInfo, ch)) { + return ERR_AAC_TNS; + } + + if (IMDCT(aacDecInfo, ch, baseChan + ch, outbuf)) { + return ERR_AAC_IMDCT; + } + } + +#ifdef AAC_ENABLE_SBR + if (aacDecInfo->sbrEnabled && (aacDecInfo->currBlockID == AAC_ID_FIL || aacDecInfo->currBlockID == AAC_ID_LFE)) { + if (aacDecInfo->currBlockID == AAC_ID_LFE) { + elementChansSBR = elementNumChans[AAC_ID_LFE]; + } else if (aacDecInfo->currBlockID == AAC_ID_FIL && (aacDecInfo->prevBlockID == AAC_ID_SCE || aacDecInfo->prevBlockID == AAC_ID_CPE)) { + elementChansSBR = elementNumChans[aacDecInfo->prevBlockID]; + } else { + elementChansSBR = 0; + } + + if (baseChanSBR + elementChansSBR > AAC_MAX_NCHANS) { + return ERR_AAC_SBR_NCHANS_TOO_HIGH; + } + + /* parse SBR extension data if present (contained in a fill element) */ + if (DecodeSBRBitstream(aacDecInfo, baseChanSBR)) { + return ERR_AAC_SBR_BITSTREAM; + } + + /* apply SBR */ + if (DecodeSBRData(aacDecInfo, baseChanSBR, outbuf)) { + return ERR_AAC_SBR_DATA; + } + + baseChanSBR += elementChansSBR; + } +#endif + + baseChan += elementChans; + } while (aacDecInfo->currBlockID != AAC_ID_END); + if (AACDataSource == 1) { + /* byte align after each raw_data_block */ + if (bitOffset) { + inptr++; + bitsAvail -= (8 - bitOffset); + bitOffset = 0; + if (bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + } else { + //trace("align\n"); + ByteAlignBitstream(0); + } + + /* update pointers */ + if (AACDataSource == 1) { + aacDecInfo->frameCount++; + aacDecInfo->byteParsed += inptr - *inbuf; + aacDecInfo->sampleDecoded += AAC_MAX_NSAMPS * (aacDecInfo->sbrEnabled ? 2 : 1); + *bytesLeft -= (inptr - *inbuf); + *inbuf = inptr; + } else { + aacDecInfo->frameCount++; + aacDecInfo->byteParsed = CalcBitsUsed(0, 0, 0) >> 3; + aacDecInfo->sampleDecoded += AAC_MAX_NSAMPS * (aacDecInfo->sbrEnabled ? 2 : 1); + *bytesLeft -= (CalcBitsUsed(0, 0, 0) >> 3); + // *inbuf = *inbuf+; + } + + + + return ERR_AAC_NONE; +} + diff --git a/audio_codec/libraac/aacdec.h b/audio_codec/libraac/aacdec.h new file mode 100644 index 0000000..f730209 --- a/dev/null +++ b/audio_codec/libraac/aacdec.h @@ -0,0 +1,200 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aacdec.h,v 1.8 2005/11/10 00:15:08 margotm Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * aacdec.h - public C API for AAC decoder + **************************************************************************************/ + +#ifndef _AACDEC_H +#define _AACDEC_H + +#define _ARC32 + +#if defined(_WIN32) && !defined(_WIN32_WCE) +# +#elif defined(_WIN32) && defined(_WIN32_WCE) && defined(ARM) +# +#elif defined(_WIN32) && defined(WINCE_EMULATOR) +# +#elif defined (__arm) && defined (__ARMCC_VERSION) +# +#elif defined(_SYMBIAN) && defined(__WINS__) +# +#elif defined(__GNUC__) && defined(__arm__) +# +#elif defined(__GNUC__) && defined(__i386__) +# +#elif defined(__GNUC__) && defined(__amd64__) +# +#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__POWERPC__)) +# +#elif defined(_OPENWAVE_SIMULATOR) || defined(_OPENWAVE_ARMULATOR) +# +#elif defined(_SOLARIS) && !defined(__GNUC__) +# +#elif defined(_ARC32) +#define __inline _Inline_ +#else +#error No platform defined. See valid options in aacdec.h +#endif + +#ifdef __cplusplus +extern "C" { +#endif + + /* according to spec (13818-7 section 8.2.2, 14496-3 section 4.5.3) + * max size of input buffer = + * 6144 bits = 768 bytes per SCE or CCE-I + * 12288 bits = 1536 bytes per CPE + * 0 bits = 0 bytes per CCE-D (uses bits from the SCE/CPE/CCE-I it is coupled to) + */ +#ifndef AAC_MAX_NCHANS /* if max channels isn't set in makefile, */ +#define AAC_MAX_NCHANS 2 /* set to default max number of channels */ +#endif +#define AAC_MAX_NSAMPS 1024 +#define AAC_MAINBUF_SIZE (768 * AAC_MAX_NCHANS) + +#define AAC_NUM_PROFILES 3 +#define AAC_PROFILE_MP 0 +#define AAC_PROFILE_LC 1 +#define AAC_PROFILE_SSR 2 + +#define AAC_INPUTBUF_SIZE (2 * AAC_MAINBUF_SIZE * AAC_MAX_NCHANS) /* pick something big enough to hold a bunch of frames */ + + /* define these to enable decoder features */ +#ifdef __ARC600__ +#define HELIX_FEATURE_AUDIO_CODEC_AAC_SBR +#endif /* __ARC600__ */ +#if defined(HELIX_FEATURE_AUDIO_CODEC_AAC_SBR) +#define AAC_ENABLE_SBR +#endif // HELIX_FEATURE_AUDIO_CODEC_AAC_SBR. +#define AAC_ENABLE_MPEG4 + +#ifdef AAC_ENABLE_SBR +#define SBR_MUL 2 +#else +#define SBR_MUL 1 +#endif + + enum { + ERR_AAC_NONE = 0, + ERR_AAC_INDATA_UNDERFLOW = -1, + ERR_AAC_NULL_POINTER = -2, + ERR_AAC_INVALID_ADTS_HEADER = -3, + ERR_AAC_INVALID_ADIF_HEADER = -4, + ERR_AAC_INVALID_FRAME = -5, + ERR_AAC_MPEG4_UNSUPPORTED = -6, + ERR_AAC_CHANNEL_MAP = -7, + ERR_AAC_SYNTAX_ELEMENT = -8, + + ERR_AAC_DEQUANT = -9, + ERR_AAC_STEREO_PROCESS = -10, + ERR_AAC_PNS = -11, + ERR_AAC_SHORT_BLOCK_DEINT = -12, + ERR_AAC_TNS = -13, + ERR_AAC_IMDCT = -14, + ERR_AAC_NCHANS_TOO_HIGH = -15, + + ERR_AAC_SBR_INIT = -16, + ERR_AAC_SBR_BITSTREAM = -17, + ERR_AAC_SBR_DATA = -18, + ERR_AAC_SBR_PCM_FORMAT = -19, + ERR_AAC_SBR_NCHANS_TOO_HIGH = -20, + ERR_AAC_SBR_SINGLERATE_UNSUPPORTED = -21, + + ERR_AAC_RAWBLOCK_PARAMS = -22, + + ERR_UNKNOWN = -9999 + }; + + typedef struct _AACIOBuf { + int bytesLeft; + unsigned char *readPtr; + unsigned char readBuf[AAC_INPUTBUF_SIZE]; + short outBuf[AAC_MAX_NCHANS * AAC_MAX_NSAMPS * SBR_MUL]; + } AACIOBuf; + + typedef struct _AACFrameInfo { // should keep same as _audio_codec_config_aacdec_t in audio_codec_aac.h + int bitRate; + int nChans; + int sampRateCore; + int sampRateOut; + int bitsPerSample; + int outputSamps; + int profile; + int tnsUsed; + int pnsUsed; + int format; + unsigned total_byte_parsed; + unsigned total_sample_decoded; + unsigned audio_send_by_frame; + //#ifndef PRE_APOLLO + unsigned char *extra_data; + unsigned extradata_len; + //#endif + } AACFrameInfo; + + typedef void *HAACDecoder; + typedef void *HAACIOBuf; + + /* public C API */ + HAACDecoder AACInitDecoder(int); + void AACFreeDecoder(HAACDecoder hAACDecoder); + int AACDecode(HAACDecoder hAACDecoder, unsigned char **inbuf, int *bytesLeft, short *outbuf); + + int AACFindSyncWord(unsigned char *buf, int nBytes); + void AACGetLastFrameInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo); + void AACGetDecoderInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo); + int AACSetRawBlockParams(HAACDecoder hAACDecoder, int copyLast, AACFrameInfo *aacFrameInfo); + int AACFlushCodec(HAACDecoder hAACDecoder); + +#ifdef HELIX_CONFIG_AAC_GENERATE_TRIGTABS_FLOAT + int AACInitTrigtabsFloat(void); + void AACFreeTrigtabsFloat(void); +#endif + + extern int AACDataSource; + +#ifdef __cplusplus +} +#endif + +#endif /* _AACDEC_H */ diff --git a/audio_codec/libraac/aactabs.c b/audio_codec/libraac/aactabs.c new file mode 100644 index 0000000..3cade7d --- a/dev/null +++ b/audio_codec/libraac/aactabs.c @@ -0,0 +1,157 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aactabs.c,v 1.1 2005/02/26 01:47:31 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * aactabs.c - platform-independent tables for AAC decoder (global, read-only) + **************************************************************************************/ + +#include "aaccommon.h" + +/* sample rates (table 4.5.1) */ +const int sampRateTab[NUM_SAMPLE_RATES] = { + 96000, 88200, 64000, 48000, 44100, 32000, + 24000, 22050, 16000, 12000, 11025, 8000 +}; + +/* max scalefactor band for prediction (main profile only) */ +const int predSFBMax[NUM_SAMPLE_RATES] = { + 33, 33, 38, 40, 40, 40, 41, 41, 37, 37, 37, 34 +}; + +/* channel mapping (table 1.6.3.4) (-1 = unknown, so need to determine mapping based on rules in 8.5.1) */ +const int channelMapTab[NUM_DEF_CHAN_MAPS] = { + -1, 1, 2, 3, 4, 5, 6, 8 +}; + +/* number of channels in each element (SCE, CPE, etc.) + * see AACElementID in aaccommon.h + */ +const int elementNumChans[NUM_ELEMENTS] = { + 1, 2, 0, 1, 0, 0, 0, 0 +}; + +/* total number of scale factor bands in one window */ +const unsigned char sfBandTotalShort[NUM_SAMPLE_RATES] = { + 12, 12, 12, 14, 14, 14, 15, 15, 15, 15, 15, 15 +}; + +const unsigned char sfBandTotalLong[NUM_SAMPLE_RATES] = { + 41, 41, 47, 49, 49, 51, 47, 47, 43, 43, 43, 40 +}; + +/* scale factor band tables */ +const int sfBandTabShortOffset[NUM_SAMPLE_RATES] = {0, 0, 0, 13, 13, 13, 28, 28, 44, 44, 44, 60}; + +const short sfBandTabShort[76] = { + /* short block 64, 88, 96 kHz [13] (tables 4.5.24, 4.5.26) */ + 0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128, + + /* short block 32, 44, 48 kHz [15] (table 4.5.15) */ + 0, 4, 8, 12, 16, 20, 28, 36, 44, 56, 68, 80, 96, 112, 128, + + /* short block 22, 24 kHz [16] (table 4.5.22) */ + 0, 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 64, 76, 92, 108, 128, + + /* short block 11, 12, 16 kHz [16] (table 4.5.20) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 40, 48, 60, 72, 88, 108, 128, + + /* short block 8 kHz [16] (table 4.5.18) */ + 0, 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 60, 72, 88, 108, 128 +}; + +const int sfBandTabLongOffset[NUM_SAMPLE_RATES] = {0, 0, 42, 90, 90, 140, 192, 192, 240, 240, 240, 284}; + +const short sfBandTabLong[325] = { + /* long block 88, 96 kHz [42] (table 4.5.25) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, + 56, 64, 72, 80, 88, 96, 108, 120, 132, 144, 156, 172, 188, 212, + 240, 276, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024, + + /* long block 64 kHz [48] (table 4.5.13) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 64, + 72, 80, 88, 100, 112, 124, 140, 156, 172, 192, 216, 240, 268, 304, 344, 384, + 424, 464, 504, 544, 584, 624, 664, 704, 744, 784, 824, 864, 904, 944, 984, 1024, + + /* long block 44, 48 kHz [50] (table 4.5.14) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, 80, 88, + 96, 108, 120, 132, 144, 160, 176, 196, 216, 240, 264, 292, 320, 352, 384, 416, 448, + 480, 512, 544, 576, 608, 640, 672, 704, 736, 768, 800, 832, 864, 896, 928, 1024, + + /* long block 32 kHz [52] (table 4.5.16) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, 80, 88, 96, + 108, 120, 132, 144, 160, 176, 196, 216, 240, 264, 292, 320, 352, 384, 416, 448, 480, 512, + 544, 576, 608, 640, 672, 704, 736, 768, 800, 832, 864, 896, 928, 960, 992, 1024, + + /* long block 22, 24 kHz [48] (table 4.5.21) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 52, 60, 68, 76, + 84, 92, 100, 108, 116, 124, 136, 148, 160, 172, 188, 204, 220, 240, 260, 284, + 308, 336, 364, 396, 432, 468, 508, 552, 600, 652, 704, 768, 832, 896, 960, 1024, + + /* long block 11, 12, 16 kHz [44] (table 4.5.19) */ + 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 100, 112, 124, + 136, 148, 160, 172, 184, 196, 212, 228, 244, 260, 280, 300, 320, 344, 368, + 396, 424, 456, 492, 532, 572, 616, 664, 716, 772, 832, 896, 960, 1024, + + /* long block 8 kHz [41] (table 4.5.17) */ + 0, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, + 172, 188, 204, 220, 236, 252, 268, 288, 308, 328, 348, 372, 396, 420, + 448, 476, 508, 544, 580, 620, 664, 712, 764, 820, 880, 944, 1024 +}; + + +/* TNS max bands (table 4.139) and max order (table 4.138) */ +const int tnsMaxBandsShortOffset[AAC_NUM_PROFILES] = {0, 0, 12}; + +const unsigned char tnsMaxBandsShort[2 * NUM_SAMPLE_RATES] = { + 9, 9, 10, 14, 14, 14, 14, 14, 14, 14, 14, 14, /* short block, Main/LC */ + 7, 7, 7, 6, 6, 6, 7, 7, 8, 8, 8, 7 /* short block, SSR */ +}; + +const unsigned char tnsMaxOrderShort[AAC_NUM_PROFILES] = {7, 7, 7}; + +const int tnsMaxBandsLongOffset[AAC_NUM_PROFILES] = {0, 0, 12}; + +const unsigned char tnsMaxBandsLong[2 * NUM_SAMPLE_RATES] = { + 31, 31, 34, 40, 42, 51, 46, 46, 42, 42, 42, 39, /* long block, Main/LC */ + 28, 28, 27, 26, 26, 26, 29, 29, 23, 23, 23, 19, /* long block, SSR */ +}; + +const unsigned char tnsMaxOrderLong[AAC_NUM_PROFILES] = {20, 12, 12}; diff --git a/audio_codec/libraac/assembly.h b/audio_codec/libraac/assembly.h new file mode 100644 index 0000000..aeee62b --- a/dev/null +++ b/audio_codec/libraac/assembly.h @@ -0,0 +1,147 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: assembly.h,v 1.7 2005/11/10 00:04:40 margotm Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * assembly.h - inline assembly language functions and prototypes + * + * MULSHIFT32(x, y) signed multiply of two 32-bit integers (x and y), + * returns top 32-bits of 64-bit result + * CLIPTOSHORT(x) convert 32-bit integer to 16-bit short, + * clipping to [-32768, 32767] + * FASTABS(x) branchless absolute value of signed integer x + * CLZ(x) count leading zeros on signed integer x + * MADD64(sum64, x, y) 64-bit multiply accumulate: sum64 += (x*y) + **************************************************************************************/ + +#ifndef _ASSEMBLY_H +#define _ASSEMBLY_H + +/* toolchain: ARM gcc + * target architecture: ARM v.4 and above (requires 'M' type processor for 32x32->64 multiplier) + */ + +#if defined(__aarch64__) +static __inline__ int MULSHIFT32(int x, int y) +{ + long c; + c = (long)x * y; + return (int)c; +} +#else +static __inline__ int MULSHIFT32(int x, int y) +{ + int zlow; + __asm__ volatile("smull %0,%1,%2,%3" : "=&r"(zlow), "=r"(y) : "r"(x), "1"(y) : "cc"); + return y; +} +#endif +static __inline__ short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline__ int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline__ int CLZ(int x) +{ + int numZeros; + + if (!x) { + return (sizeof(int) * 8); + } + + numZeros = 0; + while (!(x & 0x80000000)) { + numZeros++; + x <<= 1; + } + + return numZeros; +} + +typedef long long Word64; + +typedef union _U64 { + Word64 w64; + struct { + /* ARM ADS = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +#if defined(__aarch64__) +static __inline__ Word64 MADD64(Word64 sum64, int x, int y) +{ + sum64 += (long)x * y; + + return sum64; +} +#else +static __inline__ Word64 MADD64(Word64 sum64, int x, int y) +{ + U64 u; + u.w64 = sum64; + + __asm__ volatile("smlal %0,%1,%2,%3" : "+&r"(u.r.lo32), "+&r"(u.r.hi32) : "r"(x), "r"(y) : "cc"); + + return u.w64; +} +#endif + +#endif /* _ASSEMBLY_H */ diff --git a/audio_codec/libraac/bitstream.c b/audio_codec/libraac/bitstream.c new file mode 100644 index 0000000..06c509b --- a/dev/null +++ b/audio_codec/libraac/bitstream.c @@ -0,0 +1,451 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: bitstream.c,v 1.2 2005/09/27 20:31:11 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * bitstream.c - bitstream parsing functions + **************************************************************************************/ +//#include +#include +#include + +#include "bitstream.h" +#include "raac_decode.h" +#include + +#define LOG_TAG "codec_raac" +#define raac_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) + + +static unsigned int iCache0 = 0; +static unsigned int iCache1 = 0; +static int cacheBit0 = 0; +static int cacheBit1 = 0; +static int bitsUsed = 0; + +extern cook_IObuf cook_input; +//extern cook_IObuf cook_output; + +void InitBitStream() +{ + iCache0 = 0; + iCache1 = 0; + cacheBit0 = 0; + cacheBit1 = 0; + bitsUsed = 0; +} + +unsigned char GetByte() +{ + unsigned int val = 0; //read_byte(); + if (cook_input.buf != NULL && cook_input.buf_len > 0) { + val = (unsigned int)cook_input.buf[0]; + memcpy(cook_input.buf, cook_input.buf + 1, cook_input.buf_len - 1); + cook_input.buf_len -= 1; + cook_input.cousume += 1; + cook_input.all_consume += 1; + } else { + raac_print("GetByte() failed, because cook_input.buf has not data\n"); + } + return val; +} +void RefillBitStream() +{ + int nBits = 32 - cacheBit0; + while (nBits) { + iCache0 |= (GetByte() << (32 - cacheBit0 - 8)); + cacheBit0 += 8; + nBits -= 8; + } +} + +/************************************************************************************** + * Function: SetBitstreamPointer + * + * Description: initialize bitstream reader + * + * Inputs: pointer to BitStreamInfo struct + * number of bytes in bitstream + * pointer to byte-aligned buffer of data to read from + * + * Outputs: initialized bitstream info struct + * + * Return: none + **************************************************************************************/ +void SetBitstreamPointer(BitStreamInfo *bsi, int nBytes, unsigned char *buf) +{ + if (AACDataSource == 1) { + /* init bitstream */ + bsi->bytePtr = buf; + bsi->iCache = 0; /* 4-byte unsigned int */ + bsi->cachedBits = 0; /* i.e. zero bits in cache */ + bsi->nBytes = nBytes; + } +} + +/************************************************************************************** + * Function: RefillBitstreamCache + * + * Description: read new data from bitstream buffer into 32-bit cache + * + * Inputs: pointer to initialized BitStreamInfo struct + * + * Outputs: updated bitstream info struct + * + * Return: none + * + * Notes: only call when iCache is completely drained (resets bitOffset to 0) + * always loads 4 new bytes except when bsi->nBytes < 4 (end of buffer) + * stores data as big-endian in cache, regardless of machine endian-ness + **************************************************************************************/ +static void RefillBitstreamCache(BitStreamInfo *bsi) +{ + int nBytes = bsi->nBytes; + + /* optimize for common case, independent of machine endian-ness */ + if (nBytes >= 4) { + bsi->iCache = (*bsi->bytePtr++) << 24; + bsi->iCache |= (*bsi->bytePtr++) << 16; + bsi->iCache |= (*bsi->bytePtr++) << 8; + bsi->iCache |= (*bsi->bytePtr++); + bsi->cachedBits = 32; + bsi->nBytes -= 4; + } else { + bsi->iCache = 0; + while (nBytes--) { + bsi->iCache |= (*bsi->bytePtr++); + bsi->iCache <<= 8; + } + bsi->iCache <<= ((3 - bsi->nBytes) * 8); + bsi->cachedBits = 8 * bsi->nBytes; + bsi->nBytes = 0; + } +} + +/************************************************************************************** + * Function: GetBits + * + * Description: get bits from bitstream, advance bitstream pointer + * + * Inputs: pointer to initialized BitStreamInfo struct + * number of bits to get from bitstream + * + * Outputs: updated bitstream info struct + * + * Return: the next nBits bits of data from bitstream buffer + * + * Notes: nBits must be in range [0, 31], nBits outside this range masked by 0x1f + * for speed, does not indicate error if you overrun bit buffer + * if nBits == 0, returns 0 + **************************************************************************************/ +unsigned int GetBits(BitStreamInfo *bsi, int nBits) +{ + unsigned int data = 0; + unsigned int lowBits = 0; + + if (AACDataSource == 1) { + nBits &= 0x1f; /* nBits mod 32 to avoid unpredictable results like >> by negative amount */ + data = bsi->iCache >> (31 - nBits); /* unsigned >> so zero-extend */ + data >>= 1; /* do as >> 31, >> 1 so that nBits = 0 works okay (returns 0) */ + bsi->iCache <<= nBits; /* left-justify cache */ + bsi->cachedBits -= nBits; /* how many bits have we drawn from the cache so far */ + + /* if we cross an int boundary, refill the cache */ + if (bsi->cachedBits < 0) { + lowBits = -bsi->cachedBits; + RefillBitstreamCache(bsi); + data |= bsi->iCache >> (32 - lowBits); /* get the low-order bits */ + + bsi->cachedBits -= lowBits; /* how many bits have we drawn from the cache so far */ + bsi->iCache <<= lowBits; /* left-justify cache */ + } + + return data; + } else { + if (!nBits) { + return 0; + } + nBits = (nBits > 32) ? 32 : nBits; + bitsUsed += nBits; + if (cacheBit1 > 0) { + if (nBits > cacheBit1) { + if (cacheBit1 == 0) { // if shift above 32, the instruction shift 0 + data = 0; + } else { + data = iCache1 >> (32 - cacheBit1); + } + nBits -= cacheBit1; + data <<= nBits; + iCache1 = 0; + cacheBit1 = 0; + } else { + data = iCache1 >> (32 - nBits); + cacheBit1 -= nBits; + iCache1 <<= nBits; + return data; + } + } + + if (nBits > cacheBit0) { + if (cacheBit0) { + data |= iCache0 >> (32 - cacheBit0); + } + nBits -= cacheBit0; + data <<= nBits; + iCache0 = 0; + iCache0 = GetByte(); + iCache0 <<= 8; + iCache0 |= GetByte(); + iCache0 <<= 8; + iCache0 |= GetByte(); + iCache0 <<= 8; + iCache0 |= GetByte(); + cacheBit0 = 32; + } + if (nBits) { + data |= iCache0 >> (32 - nBits); + } + iCache0 <<= nBits; + cacheBit0 -= nBits; + return data; + } +} + +/************************************************************************************** + * Function: GetBitsNoAdvance + * + * Description: get bits from bitstream, do not advance bitstream pointer + * + * Inputs: pointer to initialized BitStreamInfo struct + * number of bits to get from bitstream + * + * Outputs: none (state of BitStreamInfo struct left unchanged) + * + * Return: the next nBits bits of data from bitstream buffer + * + * Notes: nBits must be in range [0, 31], nBits outside this range masked by 0x1f + * for speed, does not indicate error if you overrun bit buffer + * if nBits == 0, returns 0 + **************************************************************************************/ +unsigned int GetBitsNoAdvance(BitStreamInfo *bsi, int nBits) +{ + unsigned char *buf = NULL; + unsigned int data = 0; + unsigned int iCache = 0; + signed int lowBits = 0; + + if (AACDataSource == 1) { + nBits &= 0x1f; /* nBits mod 32 to avoid unpredictable results like >> by negative amount */ + data = bsi->iCache >> (31 - nBits); /* unsigned >> so zero-extend */ + data >>= 1; /* do as >> 31, >> 1 so that nBits = 0 works okay (returns 0) */ + lowBits = nBits - bsi->cachedBits; /* how many bits do we have left to read */ + + /* if we cross an int boundary, read next bytes in buffer */ + if (lowBits > 0) { + iCache = 0; + buf = bsi->bytePtr; + while (lowBits > 0) { + iCache <<= 8; + if (buf < bsi->bytePtr + bsi->nBytes) { + iCache |= (unsigned int) * buf++; + } + lowBits -= 8; + } + lowBits = -lowBits; + data |= iCache >> lowBits; + } + return data; + } else { + if (!nBits) { + return 0; + } + nBits = (nBits > 32) ? 32 : nBits; + + if (nBits > (cacheBit0 + cacheBit1)) { + data = ((iCache1 >> (32 - cacheBit1)) << cacheBit0); + + if (cacheBit0) { + data |= (iCache0 >> (32 - cacheBit0)); + } + + iCache1 = data << (32 - cacheBit0 - cacheBit1); + cacheBit1 = cacheBit0 + cacheBit1; + nBits -= cacheBit1; + data <<= nBits; + + iCache0 = GetByte(); + iCache0 <<= 8; + iCache0 |= GetByte(); + iCache0 <<= 8; + iCache0 |= GetByte(); + iCache0 <<= 8; + iCache0 |= GetByte(); + + cacheBit0 = 32; + } else if (nBits > cacheBit1) { + if (cacheBit1) { + data = iCache1 >> (32 - cacheBit1); + } + nBits -= cacheBit1; + data <<= nBits; + } else { + //if(nBits> (32 - nBits); + //cacheBit1 -= nBits; + //iCache1 <<= nBits; + return data; + } + if (nBits) { + data |= (iCache0 >> (32 - nBits)); + } + + return data; + } +} + +/************************************************************************************** + * Function: AdvanceBitstream + * + * Description: move bitstream pointer ahead + * + * Inputs: pointer to initialized BitStreamInfo struct + * number of bits to advance bitstream + * + * Outputs: updated bitstream info struct + * + * Return: none + * + * Notes: generally used following GetBitsNoAdvance(bsi, maxBits) + **************************************************************************************/ +void AdvanceBitstream(BitStreamInfo *bsi, int nBits) +{ + if (AACDataSource == 1) { + nBits &= 0x1f; + if (nBits > bsi->cachedBits) { + nBits -= bsi->cachedBits; + RefillBitstreamCache(bsi); + } + bsi->iCache <<= nBits; + bsi->cachedBits -= nBits; + } else { + if (!nBits) { + return; + } + nBits &= 0x1f; + bitsUsed += nBits; + if (cacheBit1 > 0) { + if (nBits > cacheBit1) { + nBits -= cacheBit1; + cacheBit1 = 0; + iCache1 = 0; + } else { + cacheBit1 -= nBits; + iCache1 <<= nBits; + return; + } + } + if (nBits > cacheBit0) { + nBits -= cacheBit0; + cacheBit0 = 0; + iCache0 = GetByte(); + iCache0 <<= 8; + iCache0 |= GetByte(); + iCache0 <<= 8; + iCache0 |= GetByte(); + iCache0 <<= 8; + iCache0 |= GetByte(); + cacheBit0 = 32; + } + cacheBit0 -= nBits; + iCache0 <<= nBits; + } +} + +/************************************************************************************** + * Function: CalcBitsUsed + * + * Description: calculate how many bits have been read from bitstream + * + * Inputs: pointer to initialized BitStreamInfo struct + * pointer to start of bitstream buffer + * bit offset into first byte of startBuf (0-7) + * + * Outputs: none + * + * Return: number of bits read from bitstream, as offset from startBuf:startOffset + **************************************************************************************/ +int CalcBitsUsed(BitStreamInfo *bsi, unsigned char *startBuf, int startOffset) +{ + int bitsUsed = 0; + if (AACDataSource == 1) { + bitsUsed = (bsi->bytePtr - startBuf) * 8; + bitsUsed -= bsi->cachedBits; + bitsUsed -= startOffset; + + return bitsUsed; + } else { + return bitsUsed; + } +} + +/************************************************************************************** + * Function: ByteAlignBitstream + * + * Description: bump bitstream pointer to start of next byte + * + * Inputs: pointer to initialized BitStreamInfo struct + * + * Outputs: byte-aligned bitstream BitStreamInfo struct + * + * Return: none + * + * Notes: if bitstream is already byte-aligned, do nothing + **************************************************************************************/ +void ByteAlignBitstream(BitStreamInfo *bsi) +{ + int offset = 0; + + if (AACDataSource == 1) { + offset = bsi->cachedBits & 0x07; + AdvanceBitstream(bsi, offset); + } else { + GetBits(0, (cacheBit0 + cacheBit1) & 7); + } +} diff --git a/audio_codec/libraac/bitstream.h b/audio_codec/libraac/bitstream.h new file mode 100644 index 0000000..30c957f --- a/dev/null +++ b/audio_codec/libraac/bitstream.h @@ -0,0 +1,76 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: bitstream.h,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * bitstream.h - definitions of bitstream handling functions + **************************************************************************************/ + +#ifndef _BITSTREAM_H +#define _BITSTREAM_H + +#include "aaccommon.h" + +/* additional external symbols to name-mangle for static linking */ +#define SetBitstreamPointer STATNAME(SetBitstreamPointer) +#define GetBits STATNAME(GetBits) +#define GetBitsNoAdvance STATNAME(GetBitsNoAdvance) +#define AdvanceBitstream STATNAME(AdvanceBitstream) +#define CalcBitsUsed STATNAME(CalcBitsUsed) +#define ByteAlignBitstream STATNAME(ByteAlignBitstream) + +typedef struct _BitStreamInfo { + unsigned char *bytePtr; + unsigned int iCache; + int cachedBits; + int nBytes; +} BitStreamInfo; + +/* bitstream.c */ +void SetBitstreamPointer(BitStreamInfo *bsi, int nBytes, unsigned char *buf); + +void InitBitStream(); +unsigned int GetBits(BitStreamInfo *bsi, int nBits); +unsigned int GetBitsNoAdvance(BitStreamInfo *bsi, int nBits); +void AdvanceBitstream(BitStreamInfo *bsi, int nBits); +int CalcBitsUsed(BitStreamInfo *bsi, unsigned char *startBuf, int startOffset); +void ByteAlignBitstream(BitStreamInfo *bsi); + +#endif /* _BITSTREAM_H */ diff --git a/audio_codec/libraac/buffers.c b/audio_codec/libraac/buffers.c new file mode 100644 index 0000000..1e73078 --- a/dev/null +++ b/audio_codec/libraac/buffers.c @@ -0,0 +1,132 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: buffers.c,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * buffers.c - allocation and deallocation of internal AAC decoder buffers + **************************************************************************************/ +#include +#include +#include +#include +#include "aaccommon.h" +//#include +#include "coder.h" + +/************************************************************************************** + * Function: ClearBuffer + * + * Description: fill buffer with 0's + * + * Inputs: pointer to buffer + * number of bytes to fill with 0 + * + * Outputs: cleared buffer + * + * Return: none + * + * Notes: slow, platform-independent equivalent to memset(buf, 0, nBytes) + **************************************************************************************/ +void ClearBuffer(void *buf, int nBytes) +{ + unsigned char *cbuf = (unsigned char *)buf; + memset(cbuf, 0, nBytes); + return; +} + + +/************************************************************************************** + * Function: AllocateBuffers + * + * Description: allocate all the memory needed for the AAC decoder + * + * Inputs: none + * + * Outputs: none + * + * Return: pointer to AACDecInfo structure, cleared to all 0's (except for + * pointer to platform-specific data structure) + * + * Notes: if one or more mallocs fail, function frees any buffers already + * allocated before returning + **************************************************************************************/ +AACDecInfo *AllocateBuffers(void) +{ + AACDecInfo *gi; + /* create new Gecko2Info structure */ + gi = (AACDecInfo *)malloc(sizeof(AACDecInfo)); + if (!gi) { + return 0; + } + ClearBuffer(gi, sizeof(AACDecInfo)); + gi->psInfoBase = (PSInfoBase *)malloc(sizeof(PSInfoBase)); + if (!gi->psInfoBase) { + return 0; + } + ClearBuffer(gi->psInfoBase , sizeof(PSInfoBase)); + + return gi; +} + +#define SAFE_FREE(x) {if (x) free(x); (x) = 0;} /* helper macro */ + +/************************************************************************************** + * Function: FreeBuffers + * + * Description: frees all the memory used by the AAC decoder + * + * Inputs: pointer to initialized AACDecInfo structure + * + * Outputs: none + * + * Return: none + * + * Notes: safe to call even if some buffers were not allocated (uses SAFE_FREE) + **************************************************************************************/ +void FreeBuffers(AACDecInfo *aacDecInfo) +{ + if (!aacDecInfo) { + return; + } + + SAFE_FREE(aacDecInfo->psInfoBase); + SAFE_FREE(aacDecInfo); +} + diff --git a/audio_codec/libraac/coder.h b/audio_codec/libraac/coder.h new file mode 100644 index 0000000..1d626d4 --- a/dev/null +++ b/audio_codec/libraac/coder.h @@ -0,0 +1,370 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: coder.h,v 1.2 2005/06/27 21:06:00 gwright Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * coder.h - definitions of platform-specific data structures, functions, and tables + **************************************************************************************/ + +#ifndef _CODER_H +#define _CODER_H + +#include "aaccommon.h" +#include "bitstream.h" +#include "aacdec.h" + +#ifndef ASSERT +#if defined(_WIN32) && defined(_M_IX86) && (defined (_DEBUG) || defined (REL_ENABLE_ASSERTS)) +#define ASSERT(x) if (!(x)) __asm int 3; +#else +#define ASSERT(x) /* do nothing */ +#endif +#endif + +#ifndef MAX +#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef MIN +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#endif + +#define NWINDOWS_LONG 1 +#define NWINDOWS_SHORT 8 + +#define DATA_BUF_SIZE 510 /* max count = 255 + 255 */ +#define FILL_BUF_SIZE 269 /* max count = 15 + 255 - 1*/ +#define ADIF_COPYID_SIZE 9 +#define MAX_COMMENT_BYTES 255 + +#define MAX_NUM_FCE 15 +#define MAX_NUM_SCE 15 +#define MAX_NUM_BCE 15 +#define MAX_NUM_LCE 3 +#define MAX_NUM_ADE 7 +#define MAX_NUM_CCE 15 + +#define CHAN_ELEM_IS_CPE(x) (((x) & 0x10) >> 4) /* bit 4 = SCE/CPE flag */ +#define CHAN_ELEM_GET_TAG(x) (((x) & 0x0f) >> 0) /* bits 3-0 = instance tag */ + +#define CHAN_ELEM_SET_CPE(x) (((x) & 0x01) << 4) /* bit 4 = SCE/CPE flag */ +#define CHAN_ELEM_SET_TAG(x) (((x) & 0x0f) << 0) /* bits 3-0 = instance tag */ + +#define MAX_HUFF_BITS 20 +#define HUFFTAB_SPEC_OFFSET 1 + +/* do y <<= n, clipping to range [-2^30, 2^30 - 1] (i.e. output has one guard bit) */ +#define CLIP_2N_SHIFT(y, n) { \ + int sign = (y) >> 31; \ + if (sign != (y) >> (30 - (n))) { \ + (y) = sign ^ (0x3fffffff); \ + } else { \ + (y) = (y) << (n); \ + } \ + } + +/* clip to [-2^n, 2^n-1], valid range of n = [1, 30] */ +#define CLIP_2N(val, n) { \ + if ((val) >> 31 != (val) >> (n)) \ + (val) = ((val) >> 31) ^ ((1 << (n)) - 1); \ + } + +#define SF_DQ_OFFSET 15 +#define FBITS_OUT_DQ 20 +#define FBITS_OUT_DQ_OFF (FBITS_OUT_DQ - SF_DQ_OFFSET) /* number of fraction bits out of dequant, including 2^15 bias */ + +#define FBITS_IN_IMDCT FBITS_OUT_DQ_OFF /* number of fraction bits into IMDCT */ +#define GBITS_IN_DCT4 4 /* min guard bits in for DCT4 */ + +#define FBITS_LOST_DCT4 1 /* number of fraction bits lost (>> out) in DCT-IV */ +#define FBITS_LOST_WND 1 /* number of fraction bits lost (>> out) in synthesis window (neg = gain frac bits) */ +#define FBITS_LOST_IMDCT (FBITS_LOST_DCT4 + FBITS_LOST_WND) +#define FBITS_OUT_IMDCT (FBITS_IN_IMDCT - FBITS_LOST_IMDCT) + +#define NUM_IMDCT_SIZES 2 + +/* additional external symbols to name-mangle for static linking */ +#define DecodeProgramConfigElement STATNAME(DecodeProgramConfigElement) +#define DecodeHuffmanScalar STATNAME(DecodeHuffmanScalar) +#define DecodeSpectrumLong STATNAME(DecodeSpectrumLong) +#define DecodeSpectrumShort STATNAME(DecodeSpectrumShort) +#define DecodeICSInfo STATNAME(DecodeICSInfo) +#define DCT4 STATNAME(DCT4) +#define R4FFT STATNAME(R4FFT) + +#define DecWindowOverlapNoClip STATNAME(DecWindowOverlapNoClip) +#define DecWindowOverlapLongStartNoClip STATNAME(DecWindowOverlapLongStartNoClip) +#define DecWindowOverlapLongStopNoClip STATNAME(DecWindowOverlapLongStopNoClip) +#define DecWindowOverlapShortNoClip STATNAME(DecWindowOverlapShortNoClip) + +#define huffTabSpecInfo STATNAME(huffTabSpecInfo) +#define huffTabSpec STATNAME(huffTabSpec) +#define huffTabScaleFactInfo STATNAME(huffTabScaleFactInfo) +#define huffTabScaleFact STATNAME(huffTabScaleFact) +#define cos4sin4tab STATNAME(cos4sin4tab) +#define cos4sin4tabOffset STATNAME(cos4sin4tabOffset) +#define cos1sin1tab STATNAME(cos1sin1tab) +#define sinWindow STATNAME(sinWindow) +#define sinWindowOffset STATNAME(sinWindowOffset) +#define kbdWindow STATNAME(kbdWindow) +#define kbdWindowOffset STATNAME(kbdWindowOffset) +#define bitrevtab STATNAME(bitrevtab) +#define bitrevtabOffset STATNAME(bitrevtabOffset) +#define uniqueIDTab STATNAME(uniqueIDTab) +#define twidTabEven STATNAME(twidTabEven) +#define twidTabOdd STATNAME(twidTabOdd) + +typedef struct _HuffInfo { + int maxBits; /* number of bits in longest codeword */ + unsigned char count[MAX_HUFF_BITS]; /* count[i] = number of codes with length i+1 bits */ + int offset; /* offset into symbol table */ +} HuffInfo; + +typedef struct _PulseInfo { + unsigned char pulseDataPresent; + unsigned char numPulse; + unsigned char startSFB; + unsigned char offset[MAX_PULSES]; + unsigned char amp[MAX_PULSES]; +} PulseInfo; + +typedef struct _TNSInfo { + unsigned char tnsDataPresent; + unsigned char numFilt[MAX_TNS_FILTERS]; /* max 1 filter each for 8 short windows, or 3 filters for 1 long window */ + unsigned char coefRes[MAX_TNS_FILTERS]; + unsigned char length[MAX_TNS_FILTERS]; + unsigned char order[MAX_TNS_FILTERS]; + unsigned char dir[MAX_TNS_FILTERS]; + signed char coef[MAX_TNS_COEFS]; /* max 3 filters * 20 coefs for 1 long window, or 1 filter * 7 coefs for each of 8 short windows */ +} TNSInfo; + +typedef struct _GainControlInfo { + unsigned char gainControlDataPresent; + unsigned char maxBand; + unsigned char adjNum[MAX_GAIN_BANDS][MAX_GAIN_WIN]; + unsigned char alevCode[MAX_GAIN_BANDS][MAX_GAIN_WIN][MAX_GAIN_ADJUST]; + unsigned char alocCode[MAX_GAIN_BANDS][MAX_GAIN_WIN][MAX_GAIN_ADJUST]; +} GainControlInfo; + +typedef struct _ICSInfo { + unsigned char icsResBit; + unsigned char winSequence; + unsigned char winShape; + unsigned char maxSFB; + unsigned char sfGroup; + unsigned char predictorDataPresent; + unsigned char predictorReset; + unsigned char predictorResetGroupNum; + unsigned char predictionUsed[MAX_PRED_SFB]; + unsigned char numWinGroup; + unsigned char winGroupLen[MAX_WIN_GROUPS]; +} ICSInfo; + +typedef struct _ADTSHeader { + /* fixed */ + unsigned char id; /* MPEG bit - should be 1 */ + unsigned char layer; /* MPEG layer - should be 0 */ + unsigned char protectBit; /* 0 = CRC word follows, 1 = no CRC word */ + unsigned char profile; /* 0 = main, 1 = LC, 2 = SSR, 3 = reserved */ + unsigned char sampRateIdx; /* sample rate index range = [0, 11] */ + unsigned char privateBit; /* ignore */ + unsigned char channelConfig; /* 0 = implicit, >0 = use default table */ + unsigned char origCopy; /* 0 = copy, 1 = original */ + unsigned char home; /* ignore */ + + /* variable */ + unsigned char copyBit; /* 1 bit of the 72-bit copyright ID (transmitted as 1 bit per frame) */ + unsigned char copyStart; /* 1 = this bit starts the 72-bit ID, 0 = it does not */ + int frameLength; /* length of frame */ + int bufferFull; /* number of 32-bit words left in enc buffer, 0x7FF = VBR */ + unsigned char numRawDataBlocks; /* number of raw data blocks in frame */ + + /* CRC */ + int crcCheckWord; /* 16-bit CRC check word (present if protectBit == 0) */ +} ADTSHeader; + +typedef struct _ADIFHeader { + unsigned char copyBit; /* 0 = no copyright ID, 1 = 72-bit copyright ID follows immediately */ + unsigned char origCopy; /* 0 = copy, 1 = original */ + unsigned char home; /* ignore */ + unsigned char bsType; /* bitstream type: 0 = CBR, 1 = VBR */ + int bitRate; /* bitRate: CBR = bits/sec, VBR = peak bits/frame, 0 = unknown */ + unsigned char numPCE; /* number of program config elements (max = 16) */ + int bufferFull; /* bits left in bit reservoir */ + unsigned char copyID[ADIF_COPYID_SIZE]; /* optional 72-bit copyright ID */ +} ADIFHeader; + +/* sizeof(ProgConfigElement) = 82 bytes (if KEEP_PCE_COMMENTS not defined) */ +typedef struct _ProgConfigElement { + unsigned char elemInstTag; /* element instance tag */ + unsigned char profile; /* 0 = main, 1 = LC, 2 = SSR, 3 = reserved */ + unsigned char sampRateIdx; /* sample rate index range = [0, 11] */ + unsigned char numFCE; /* number of front channel elements (max = 15) */ + unsigned char numSCE; /* number of side channel elements (max = 15) */ + unsigned char numBCE; /* number of back channel elements (max = 15) */ + unsigned char numLCE; /* number of LFE channel elements (max = 3) */ + unsigned char numADE; /* number of associated data elements (max = 7) */ + unsigned char numCCE; /* number of valid channel coupling elements (max = 15) */ + unsigned char monoMixdown; /* mono mixdown: bit 4 = present flag, bits 3-0 = element number */ + unsigned char stereoMixdown; /* stereo mixdown: bit 4 = present flag, bits 3-0 = element number */ + unsigned char matrixMixdown; /* matrix mixdown: bit 4 = present flag, bit 3 = unused, + bits 2-1 = index, bit 0 = pseudo-surround enable */ + unsigned char fce[MAX_NUM_FCE]; /* front element channel pair: bit 4 = SCE/CPE flag, bits 3-0 = inst tag */ + unsigned char sce[MAX_NUM_SCE]; /* side element channel pair: bit 4 = SCE/CPE flag, bits 3-0 = inst tag */ + unsigned char bce[MAX_NUM_BCE]; /* back element channel pair: bit 4 = SCE/CPE flag, bits 3-0 = inst tag */ + unsigned char lce[MAX_NUM_LCE]; /* instance tag for LFE elements */ + unsigned char ade[MAX_NUM_ADE]; /* instance tag for ADE elements */ + unsigned char cce[MAX_NUM_BCE]; /* channel coupling elements: bit 4 = switching flag, bits 3-0 = inst tag */ + +#ifdef KEEP_PCE_COMMENTS + /* make this optional - if not enabled, decoder will just skip comments */ + unsigned char commentBytes; + unsigned char commentField[MAX_COMMENT_BYTES]; +#endif + +} ProgConfigElement; + +/* state info struct for baseline (MPEG-4 LC) decoding */ +typedef struct _PSInfoBase { + /* header information */ + ADTSHeader fhADTS; + ADIFHeader fhADIF; + ProgConfigElement pce[MAX_NUM_PCE_ADIF]; + int dataCount; + unsigned char dataBuf[DATA_BUF_SIZE]; + int fillCount; + unsigned char fillBuf[FILL_BUF_SIZE]; + + /* state information which is the same throughout whole frame */ + int nChans; + int useImpChanMap; + int sampRateIdx; + + /* state information which can be overwritten by subsequent elements within frame */ + ICSInfo icsInfo[MAX_NCHANS_ELEM]; + + int commonWin; + short scaleFactors[MAX_NCHANS_ELEM][MAX_SF_BANDS]; + unsigned char sfbCodeBook[MAX_NCHANS_ELEM][MAX_SF_BANDS]; + + int msMaskPresent; + unsigned char msMaskBits[MAX_MS_MASK_BYTES]; + + int pnsUsed[MAX_NCHANS_ELEM]; + int pnsLastVal; + int intensityUsed[MAX_NCHANS_ELEM]; + + PulseInfo pulseInfo[MAX_NCHANS_ELEM]; + + TNSInfo tnsInfo[MAX_NCHANS_ELEM]; + int tnsLPCBuf[MAX_TNS_ORDER]; + int tnsWorkBuf[MAX_TNS_ORDER]; + + GainControlInfo gainControlInfo[MAX_NCHANS_ELEM]; + + int gbCurrent[MAX_NCHANS_ELEM]; + int coef[MAX_NCHANS_ELEM][AAC_MAX_NSAMPS]; +#ifdef AAC_ENABLE_SBR + int sbrWorkBuf[MAX_NCHANS_ELEM][AAC_MAX_NSAMPS]; +#endif + /* state information which must be saved for each element and used in next frame */ + int overlap[AAC_MAX_NCHANS][AAC_MAX_NSAMPS]; + int prevWinShape[AAC_MAX_NCHANS]; + +} PSInfoBase; + +/* private implementation-specific functions */ + +/* decelmnt.c */ +int DecodeProgramConfigElement(ProgConfigElement *pce, BitStreamInfo *bsi); + +/* huffman.c */ +int DecodeHuffmanScalar(const signed short *huffTab, const HuffInfo *huffTabInfo, unsigned int bitBuf, signed int *val); +void DecodeSpectrumLong(PSInfoBase *psi, BitStreamInfo *bsi, int ch); +void DecodeSpectrumShort(PSInfoBase *psi, BitStreamInfo *bsi, int ch); + +/* noiseless.c */ +void DecodeICSInfo(BitStreamInfo *bsi, ICSInfo *icsInfo, int sampRateIdx); + +/* dct4.c */ +void DCT4(int tabidx, int *coef, int gb); + +/* fft.c */ +void R4FFT(int tabidx, int *x); + +/* sbrimdct.c */ +void DecWindowOverlapNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev); +void DecWindowOverlapLongStartNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev); +void DecWindowOverlapLongStopNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev); +void DecWindowOverlapShortNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev); + +/* hufftabs.c */ +extern const HuffInfo huffTabSpecInfo[11]; +extern const signed short huffTabSpec[1241]; +extern const HuffInfo huffTabScaleFactInfo; +extern const signed short huffTabScaleFact[121]; + +/* trigtabs.c */ +extern const int cos4sin4tabOffset[NUM_IMDCT_SIZES]; +extern const int sinWindowOffset[NUM_IMDCT_SIZES]; +extern const int kbdWindowOffset[NUM_IMDCT_SIZES]; +extern const unsigned char bitrevtab[17 + 129]; +extern const int bitrevtabOffset[NUM_IMDCT_SIZES]; + +#ifdef HELIX_CONFIG_AAC_GENERATE_TRIGTABS_FLOAT +/* trigtabs_fltgen.c */ +extern int cos4sin4tab[128 + 1024]; +extern int cos1sin1tab[514]; +extern int sinWindow[128 + 1024]; +extern int kbdWindow[128 + 1024]; +extern int twidTabEven[4 * 6 + 16 * 6 + 64 * 6]; +extern int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6]; +#else +/* trigtabs.c */ +extern const int cos4sin4tab[128 + 1024]; +extern const int cos1sin1tab[514]; +extern const int sinWindow[128 + 1024]; +extern const int kbdWindow[128 + 1024]; +extern const int twidTabEven[4 * 6 + 16 * 6 + 64 * 6]; +extern const int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6]; +#endif + +#endif /* _CODER_H */ + diff --git a/audio_codec/libraac/dct4.c b/audio_codec/libraac/dct4.c new file mode 100644 index 0000000..cb0a77b --- a/dev/null +++ b/audio_codec/libraac/dct4.c @@ -0,0 +1,339 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: dct4.c,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * dct4.c - optimized DCT-IV + **************************************************************************************/ + +#include "coder.h" + +#include "assembly.h" + + +static const int nmdctTab[NUM_IMDCT_SIZES] = {128, 1024}; +static const int postSkip[NUM_IMDCT_SIZES] = {15, 1}; + +/************************************************************************************** + * Function: PreMultiply + * + * Description: pre-twiddle stage of DCT4 + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out, gains 5 (short) or 8 (long) frac bits + * i.e. gains 2-7= -5 int bits (short) or 2-10 = -8 int bits (long) + * normalization by -1/N is rolled into tables here (see trigtabs.c) + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + **************************************************************************************/ +static void PreMultiply(int tabidx, int *zbuf1) +{ + int i, nmdct, ar1, ai1, ar2, ai2, z1, z2; + int t, cms2, cps2a, sin2a, cps2b, sin2b; + int *zbuf2; + const int *csptr; + + nmdct = nmdctTab[tabidx]; + zbuf2 = zbuf1 + nmdct - 1; + csptr = cos4sin4tab + cos4sin4tabOffset[tabidx]; + + /* whole thing should fit in registers - verify that compiler does this */ + for (i = nmdct >> 2; i != 0; i--) { + /* cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) */ + cps2a = *csptr++; + sin2a = *csptr++; + cps2b = *csptr++; + sin2b = *csptr++; + + ar1 = *(zbuf1 + 0); + ai2 = *(zbuf1 + 1); + ai1 = *(zbuf2 + 0); + ar2 = *(zbuf2 - 1); + + /* gain 2 ints bit from MULSHIFT32 by Q30, but drop 7 or 10 int bits from table scaling of 1/M + * max per-sample gain (ignoring implicit scaling) = MAX(sin(angle)+cos(angle)) = 1.414 + * i.e. gain 1 GB since worst case is sin(angle) = cos(angle) = 0.707 (Q30), gain 2 from + * extra sign bits, and eat one in adding + */ + t = MULSHIFT32(sin2a, ar1 + ai1); + z2 = MULSHIFT32(cps2a, ai1) - t; + cms2 = cps2a - 2 * sin2a; + z1 = MULSHIFT32(cms2, ar1) + t; + *zbuf1++ = z1; /* cos*ar1 + sin*ai1 */ + *zbuf1++ = z2; /* cos*ai1 - sin*ar1 */ + + t = MULSHIFT32(sin2b, ar2 + ai2); + z2 = MULSHIFT32(cps2b, ai2) - t; + cms2 = cps2b - 2 * sin2b; + z1 = MULSHIFT32(cms2, ar2) + t; + *zbuf2-- = z2; /* cos*ai2 - sin*ar2 */ + *zbuf2-- = z1; /* cos*ar2 + sin*ai2 */ + } +} + +/************************************************************************************** + * Function: PostMultiply + * + * Description: post-twiddle stage of DCT4 + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out - gains 2 int bits + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + **************************************************************************************/ +static void PostMultiply(int tabidx, int *fft1) +{ + int i, nmdct, ar1, ai1, ar2, ai2, skipFactor; + int t, cms2, cps2, sin2; + int *fft2; + const int *csptr; + + nmdct = nmdctTab[tabidx]; + csptr = cos1sin1tab; + skipFactor = postSkip[tabidx]; + fft2 = fft1 + nmdct - 1; + + /* load coeffs for first pass + * cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) + */ + cps2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + cms2 = cps2 - 2 * sin2; + + for (i = nmdct >> 2; i != 0; i--) { + ar1 = *(fft1 + 0); + ai1 = *(fft1 + 1); + ar2 = *(fft2 - 1); + ai2 = *(fft2 + 0); + + /* gain 2 ints bit from MULSHIFT32 by Q30 + * max per-sample gain = MAX(sin(angle)+cos(angle)) = 1.414 + * i.e. gain 1 GB since worst case is sin(angle) = cos(angle) = 0.707 (Q30), gain 2 from + * extra sign bits, and eat one in adding + */ + t = MULSHIFT32(sin2, ar1 + ai1); + *fft2-- = t - MULSHIFT32(cps2, ai1); /* sin*ar1 - cos*ai1 */ + *fft1++ = t + MULSHIFT32(cms2, ar1); /* cos*ar1 + sin*ai1 */ + cps2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + + ai2 = -ai2; + t = MULSHIFT32(sin2, ar2 + ai2); + *fft2-- = t - MULSHIFT32(cps2, ai2); /* sin*ar1 - cos*ai1 */ + cms2 = cps2 - 2 * sin2; + *fft1++ = t + MULSHIFT32(cms2, ar2); /* cos*ar1 + sin*ai1 */ + } +} + +/************************************************************************************** + * Function: PreMultiplyRescale + * + * Description: pre-twiddle stage of DCT4, with rescaling for extra guard bits + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * number of guard bits to add to input before processing + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: see notes on PreMultiply(), above + **************************************************************************************/ +static void PreMultiplyRescale(int tabidx, int *zbuf1, int es) +{ + int i, nmdct, ar1, ai1, ar2, ai2, z1, z2; + int t, cms2, cps2a, sin2a, cps2b, sin2b; + int *zbuf2; + const int *csptr; + + nmdct = nmdctTab[tabidx]; + zbuf2 = zbuf1 + nmdct - 1; + csptr = cos4sin4tab + cos4sin4tabOffset[tabidx]; + + /* whole thing should fit in registers - verify that compiler does this */ + for (i = nmdct >> 2; i != 0; i--) { + /* cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) */ + cps2a = *csptr++; + sin2a = *csptr++; + cps2b = *csptr++; + sin2b = *csptr++; + + ar1 = *(zbuf1 + 0) >> es; + ai1 = *(zbuf2 + 0) >> es; + ai2 = *(zbuf1 + 1) >> es; + + t = MULSHIFT32(sin2a, ar1 + ai1); + z2 = MULSHIFT32(cps2a, ai1) - t; + cms2 = cps2a - 2 * sin2a; + z1 = MULSHIFT32(cms2, ar1) + t; + *zbuf1++ = z1; + *zbuf1++ = z2; + + ar2 = *(zbuf2 - 1) >> es; /* do here to free up register used for es */ + + t = MULSHIFT32(sin2b, ar2 + ai2); + z2 = MULSHIFT32(cps2b, ai2) - t; + cms2 = cps2b - 2 * sin2b; + z1 = MULSHIFT32(cms2, ar2) + t; + *zbuf2-- = z2; + *zbuf2-- = z1; + + } +} + +/************************************************************************************** + * Function: PostMultiplyRescale + * + * Description: post-twiddle stage of DCT4, with rescaling for extra guard bits + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * number of guard bits to remove from output + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: clips output to [-2^30, 2^30 - 1], guaranteeing at least 1 guard bit + * see notes on PostMultiply(), above + **************************************************************************************/ +static void PostMultiplyRescale(int tabidx, int *fft1, int es) +{ + int i, nmdct, ar1, ai1, ar2, ai2, skipFactor, z; + int t, cs2, sin2; + int *fft2; + const int *csptr; + + nmdct = nmdctTab[tabidx]; + csptr = cos1sin1tab; + skipFactor = postSkip[tabidx]; + fft2 = fft1 + nmdct - 1; + + /* load coeffs for first pass + * cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) + */ + cs2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + + for (i = nmdct >> 2; i != 0; i--) { + ar1 = *(fft1 + 0); + ai1 = *(fft1 + 1); + ai2 = *(fft2 + 0); + + t = MULSHIFT32(sin2, ar1 + ai1); + z = t - MULSHIFT32(cs2, ai1); + CLIP_2N_SHIFT(z, es); + *fft2-- = z; + cs2 -= 2 * sin2; + z = t + MULSHIFT32(cs2, ar1); + CLIP_2N_SHIFT(z, es); + *fft1++ = z; + + cs2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + + ar2 = *fft2; + ai2 = -ai2; + t = MULSHIFT32(sin2, ar2 + ai2); + z = t - MULSHIFT32(cs2, ai2); + CLIP_2N_SHIFT(z, es); + *fft2-- = z; + cs2 -= 2 * sin2; + z = t + MULSHIFT32(cs2, ar2); + CLIP_2N_SHIFT(z, es); + *fft1++ = z; + cs2 += 2 * sin2; + } +} + +/************************************************************************************** + * Function: DCT4 + * + * Description: type-IV DCT + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * number of guard bits in the input buffer + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: operates in-place + * if number of guard bits in input is < GBITS_IN_DCT4, the input is + * scaled (>>) before the DCT4 and rescaled (<<, with clipping) after + * the DCT4 (rare) + * the output has FBITS_LOST_DCT4 fewer fraction bits than the input + * the output will always have at least 1 guard bit (GBITS_IN_DCT4 >= 4) + * int bits gained per stage (PreMul + FFT + PostMul) + * short blocks = (-5 + 4 + 2) = 1 total + * long blocks = (-8 + 7 + 2) = 1 total + **************************************************************************************/ +void DCT4(int tabidx, int *coef, int gb) +{ + int es; + + /* fast in-place DCT-IV - adds guard bits if necessary */ + if (gb < GBITS_IN_DCT4) { + es = GBITS_IN_DCT4 - gb; + PreMultiplyRescale(tabidx, coef, es); + R4FFT(tabidx, coef); + PostMultiplyRescale(tabidx, coef, es); + } else { + PreMultiply(tabidx, coef); + R4FFT(tabidx, coef); + PostMultiply(tabidx, coef); + } +} diff --git a/audio_codec/libraac/decelmnt.c b/audio_codec/libraac/decelmnt.c new file mode 100644 index 0000000..075174d --- a/dev/null +++ b/audio_codec/libraac/decelmnt.c @@ -0,0 +1,451 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: decelmnt.c,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * decelmnt.c - syntactic element decoding + **************************************************************************************/ + +#include "coder.h" +//#include +#include +#include "aacdec.h" + +/************************************************************************************** + * Function: DecodeSingleChannelElement + * + * Description: decode one SCE + * + * Inputs: BitStreamInfo struct pointing to start of SCE (14496-3, table 4.4.4) + * + * Outputs: updated element instance tag + * + * Return: 0 if successful, -1 if error + * + * Notes: doesn't decode individual channel stream (part of DecodeNoiselessData) + **************************************************************************************/ +static int DecodeSingleChannelElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + + /* read instance tag */ + aacDecInfo->currInstTag = GetBits(bsi, NUM_INST_TAG_BITS); + + return 0; +} + +/************************************************************************************** + * Function: DecodeChannelPairElement + * + * Description: decode one CPE + * + * Inputs: BitStreamInfo struct pointing to start of CPE (14496-3, table 4.4.5) + * + * Outputs: updated element instance tag + * updated commonWin + * updated ICS info, if commonWin == 1 + * updated mid-side stereo info, if commonWin == 1 + * + * Return: 0 if successful, -1 if error + * + * Notes: doesn't decode individual channel stream (part of DecodeNoiselessData) + **************************************************************************************/ +static int DecodeChannelPairElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + int sfb, gp, maskOffset; + unsigned char currBit, *maskPtr; + PSInfoBase *psi; + ICSInfo *icsInfo; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = psi->icsInfo; + + /* read instance tag */ + aacDecInfo->currInstTag = GetBits(bsi, NUM_INST_TAG_BITS); + + /* read common window flag and mid-side info (if present) + * store msMask bits in psi->msMaskBits[] as follows: + * long blocks - pack bits for each SFB in range [0, maxSFB) starting with lsb of msMaskBits[0] + * short blocks - pack bits for each SFB in range [0, maxSFB), for each group [0, 7] + * msMaskPresent = 0 means no M/S coding + * = 1 means psi->msMaskBits contains 1 bit per SFB to toggle M/S coding + * = 2 means all SFB's are M/S coded (so psi->msMaskBits is not needed) + */ + psi->commonWin = GetBits(bsi, 1); + if (psi->commonWin) { + DecodeICSInfo(bsi, icsInfo, psi->sampRateIdx); + psi->msMaskPresent = GetBits(bsi, 2); + if (psi->msMaskPresent == 1) { + maskPtr = psi->msMaskBits; + *maskPtr = 0; + maskOffset = 0; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + currBit = (unsigned char)GetBits(bsi, 1); + *maskPtr |= currBit << maskOffset; + if (++maskOffset == 8) { + maskPtr++; + *maskPtr = 0; + maskOffset = 0; + } + } + } + } + } + + return 0; +} + +/************************************************************************************** + * Function: DecodeLFEChannelElement + * + * Description: decode one LFE + * + * Inputs: BitStreamInfo struct pointing to start of LFE (14496-3, table 4.4.9) + * + * Outputs: updated element instance tag + * + * Return: 0 if successful, -1 if error + * + * Notes: doesn't decode individual channel stream (part of DecodeNoiselessData) + **************************************************************************************/ +static int DecodeLFEChannelElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + + /* read instance tag */ + aacDecInfo->currInstTag = GetBits(bsi, NUM_INST_TAG_BITS); + + return 0; +} + +/************************************************************************************** + * Function: DecodeDataStreamElement + * + * Description: decode one DSE + * + * Inputs: BitStreamInfo struct pointing to start of DSE (14496-3, table 4.4.10) + * + * Outputs: updated element instance tag + * filled in data stream buffer + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +static int DecodeDataStreamElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + unsigned int byteAlign, dataCount; + unsigned char *dataBuf; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + aacDecInfo->currInstTag = GetBits(bsi, NUM_INST_TAG_BITS); + byteAlign = GetBits(bsi, 1); + dataCount = GetBits(bsi, 8); + if (dataCount == 255) { + dataCount += GetBits(bsi, 8); + } + + if (byteAlign) { + ByteAlignBitstream(bsi); + } + + psi->dataCount = dataCount; + dataBuf = psi->dataBuf; + while (dataCount--) { + *dataBuf++ = GetBits(bsi, 8); + } + + return 0; +} + +/************************************************************************************** + * Function: DecodeProgramConfigElement + * + * Description: decode one PCE + * + * Inputs: BitStreamInfo struct pointing to start of PCE (14496-3, table 4.4.2) + * + * Outputs: filled-in ProgConfigElement struct + * updated BitStreamInfo struct + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: #define KEEP_PCE_COMMENTS to save the comment field of the PCE + * (otherwise we just skip it in the bitstream, to save memory) + **************************************************************************************/ +int DecodeProgramConfigElement(ProgConfigElement *pce, BitStreamInfo *bsi) +{ + int i; + + pce->elemInstTag = GetBits(bsi, 4); + pce->profile = GetBits(bsi, 2); + pce->sampRateIdx = GetBits(bsi, 4); + pce->numFCE = GetBits(bsi, 4); + pce->numSCE = GetBits(bsi, 4); + pce->numBCE = GetBits(bsi, 4); + pce->numLCE = GetBits(bsi, 2); + pce->numADE = GetBits(bsi, 3); + pce->numCCE = GetBits(bsi, 4); + + pce->monoMixdown = GetBits(bsi, 1) << 4; /* present flag */ + if (pce->monoMixdown) { + pce->monoMixdown |= GetBits(bsi, 4); /* element number */ + } + + pce->stereoMixdown = GetBits(bsi, 1) << 4; /* present flag */ + if (pce->stereoMixdown) { + pce->stereoMixdown |= GetBits(bsi, 4); /* element number */ + } + + pce->matrixMixdown = GetBits(bsi, 1) << 4; /* present flag */ + if (pce->matrixMixdown) { + pce->matrixMixdown |= GetBits(bsi, 2) << 1; /* index */ + pce->matrixMixdown |= GetBits(bsi, 1); /* pseudo-surround enable */ + } + + for (i = 0; i < pce->numFCE; i++) { + pce->fce[i] = GetBits(bsi, 1) << 4; /* is_cpe flag */ + pce->fce[i] |= GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numSCE; i++) { + pce->sce[i] = GetBits(bsi, 1) << 4; /* is_cpe flag */ + pce->sce[i] |= GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numBCE; i++) { + pce->bce[i] = GetBits(bsi, 1) << 4; /* is_cpe flag */ + pce->bce[i] |= GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numLCE; i++) { + pce->lce[i] = GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numADE; i++) { + pce->ade[i] = GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numCCE; i++) { + pce->cce[i] = GetBits(bsi, 1) << 4; /* independent/dependent flag */ + pce->cce[i] |= GetBits(bsi, 4); /* tag select */ + } + + + ByteAlignBitstream(bsi); + +#ifdef KEEP_PCE_COMMENTS + pce->commentBytes = GetBits(bsi, 8); + for (i = 0; i < pce->commentBytes; i++) { + pce->commentField[i] = GetBits(bsi, 8); + } +#else + /* eat comment bytes and throw away */ + i = GetBits(bsi, 8); + while (i--) { + GetBits(bsi, 8); + } +#endif + + return 0; +} + +/************************************************************************************** + * Function: DecodeFillElement + * + * Description: decode one fill element + * + * Inputs: BitStreamInfo struct pointing to start of fill element + * (14496-3, table 4.4.11) + * + * Outputs: updated element instance tag + * unpacked extension payload + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +static int DecodeFillElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + unsigned int fillCount; + unsigned char *fillBuf; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + fillCount = GetBits(bsi, 4); + if (fillCount == 15) { + fillCount += (GetBits(bsi, 8) - 1); + } + + psi->fillCount = fillCount; + fillBuf = psi->fillBuf; + while (fillCount--) { + *fillBuf++ = GetBits(bsi, 8); + } + + aacDecInfo->currInstTag = -1; /* fill elements don't have instance tag */ + aacDecInfo->fillExtType = 0; + +#ifdef AAC_ENABLE_SBR + /* check for SBR + * aacDecInfo->sbrEnabled is sticky (reset each raw_data_block), so for multichannel + * need to verify that all SCE/CPE/ICCE have valid SBR fill element following, and + * must upsample by 2 for LFE + */ + if (psi->fillCount > 0) { + aacDecInfo->fillExtType = (int)((psi->fillBuf[0] >> 4) & 0x0f); + if (aacDecInfo->fillExtType == EXT_SBR_DATA || aacDecInfo->fillExtType == EXT_SBR_DATA_CRC) { + aacDecInfo->sbrEnabled = 1; + } + } +#endif + + aacDecInfo->fillBuf = psi->fillBuf; + aacDecInfo->fillCount = psi->fillCount; + + return 0; +} + +/************************************************************************************** + * Function: DecodeNextElement + * + * Description: decode next syntactic element in AAC frame + * + * Inputs: valid AACDecInfo struct + * double pointer to buffer containing next element + * pointer to bit offset + * pointer to number of valid bits remaining in buf + * + * Outputs: type of element decoded (aacDecInfo->currBlockID) + * type of element decoded last time (aacDecInfo->prevBlockID) + * updated aacDecInfo state, depending on which element was decoded + * updated buffer pointer + * updated bit offset + * updated number of available bits + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int DecodeNextElement(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail) +{ + int err, bitsUsed; + PSInfoBase *psi; + BitStreamInfo bsi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + /* init bitstream reader */ + if (AACDataSource == 1) { + SetBitstreamPointer(&bsi, (*bitsAvail + 7) >> 3, *buf); + GetBits(&bsi, *bitOffset); + } + + /* read element ID (save last ID for SBR purposes) */ + aacDecInfo->prevBlockID = aacDecInfo->currBlockID; + aacDecInfo->currBlockID = GetBits(&bsi, NUM_SYN_ID_BITS); + + /* set defaults (could be overwritten by DecodeXXXElement(), depending on currBlockID) */ + psi->commonWin = 0; + + err = 0; + switch (aacDecInfo->currBlockID) { + case AAC_ID_SCE: + err = DecodeSingleChannelElement(aacDecInfo, &bsi); + break; + case AAC_ID_CPE: + err = DecodeChannelPairElement(aacDecInfo, &bsi); + break; + case AAC_ID_CCE: + /* TODO - implement CCE decoding */ + break; + case AAC_ID_LFE: + err = DecodeLFEChannelElement(aacDecInfo, &bsi); + break; + case AAC_ID_DSE: + err = DecodeDataStreamElement(aacDecInfo, &bsi); + break; + case AAC_ID_PCE: + err = DecodeProgramConfigElement(psi->pce + 0, &bsi); + break; + case AAC_ID_FIL: + err = DecodeFillElement(aacDecInfo, &bsi); + break; + case AAC_ID_END: + break; + } + if (err) { + return ERR_AAC_SYNTAX_ELEMENT; + } + + if (AACDataSource == 1) { + /* update bitstream reader */ + bitsUsed = CalcBitsUsed(&bsi, *buf, *bitOffset); + *buf += (bitsUsed + *bitOffset) >> 3; + *bitOffset = (bitsUsed + *bitOffset) & 0x07; + *bitsAvail -= bitsUsed; + + if (*bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + return ERR_AAC_NONE; +} + diff --git a/audio_codec/libraac/dequant.c b/audio_codec/libraac/dequant.c new file mode 100644 index 0000000..e60517a --- a/dev/null +++ b/audio_codec/libraac/dequant.c @@ -0,0 +1,382 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: dequant.c,v 1.2 2005/05/20 18:05:41 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * dequant.c - transform coefficient dequantization and short-block deinterleaving + **************************************************************************************/ + +#include "coder.h" + +#include "assembly.h" + +//#include +#include + + +#define SF_OFFSET 100 + +/* pow(2, i/4.0) for i = [0,1,2,3], format = Q30 */ +static const int pow14[4] = { + 0x40000000, 0x4c1bf829, 0x5a82799a, 0x6ba27e65 +}; + +/* pow(2, i/4.0) * pow(j, 4.0/3.0) for i = [0,1,2,3], j = [0,1,2,...,15] + * format = Q28 for j = [0-3], Q25 for j = [4-15] + */ +static const int pow43_14[4][16] = { + { + 0x00000000, 0x10000000, 0x285145f3, 0x453a5cdb, /* Q28 */ + 0x0cb2ff53, 0x111989d6, 0x15ce31c8, 0x1ac7f203, /* Q25 */ + 0x20000000, 0x257106b9, 0x2b16b4a3, 0x30ed74b4, /* Q25 */ + 0x36f23fa5, 0x3d227bd3, 0x437be656, 0x49fc823c, /* Q25 */ + }, + { + 0x00000000, 0x1306fe0a, 0x2ff221af, 0x52538f52, + 0x0f1a1bf4, 0x1455ccc2, 0x19ee62a8, 0x1fd92396, + 0x260dfc14, 0x2c8694d8, 0x333dcb29, 0x3a2f5c7a, + 0x4157aed5, 0x48b3aaa3, 0x50409f76, 0x57fc3010, + }, + { + 0x00000000, 0x16a09e66, 0x39047c0f, 0x61e734aa, + 0x11f59ac4, 0x182ec633, 0x1ed66a45, 0x25dfc55a, + 0x2d413ccd, 0x34f3462d, 0x3cefc603, 0x4531ab69, + 0x4db4adf8, 0x56752054, 0x5f6fcfcd, 0x68a1eca1, + }, + { + 0x00000000, 0x1ae89f99, 0x43ce3e4b, 0x746d57b2, + 0x155b8109, 0x1cc21cdc, 0x24ac1839, 0x2d0a479e, + 0x35d13f33, 0x3ef80748, 0x48775c93, 0x524938cd, + 0x5c68841d, 0x66d0df0a, 0x717e7bfe, 0x7c6e0305, + }, +}; + +/* pow(j, 4.0 / 3.0) for j = [16,17,18,...,63], format = Q23 */ +static const int pow43[48] = { + 0x1428a2fa, 0x15db1bd6, 0x1796302c, 0x19598d85, + 0x1b24e8bb, 0x1cf7fcfa, 0x1ed28af2, 0x20b4582a, + 0x229d2e6e, 0x248cdb55, 0x26832fda, 0x28800000, + 0x2a832287, 0x2c8c70a8, 0x2e9bc5d8, 0x30b0ff99, + 0x32cbfd4a, 0x34eca001, 0x3712ca62, 0x393e6088, + 0x3b6f47e0, 0x3da56717, 0x3fe0a5fc, 0x4220ed72, + 0x44662758, 0x46b03e7c, 0x48ff1e87, 0x4b52b3f3, + 0x4daaebfd, 0x5007b497, 0x5268fc62, 0x54ceb29c, + 0x5738c721, 0x59a72a59, 0x5c19cd35, 0x5e90a129, + 0x610b9821, 0x638aa47f, 0x660db90f, 0x6894c90b, + 0x6b1fc80c, 0x6daeaa0d, 0x70416360, 0x72d7e8b0, + 0x75722ef9, 0x78102b85, 0x7ab1d3ec, 0x7d571e09, +}; + +/* sqrt(0.5), format = Q31 */ +#define SQRTHALF 0x5a82799a + +/* Minimax polynomial approximation to pow(x, 4/3), over the range + * poly43lo: x = [0.5, 0.7071] + * poly43hi: x = [0.7071, 1.0] + * + * Relative error < 1E-7 + * Coefs are scaled by 4, 2, 1, 0.5, 0.25 + */ +static const int poly43lo[5] = { 0x29a0bda9, 0xb02e4828, 0x5957aa1b, 0x236c498d, 0xff581859 }; +static const int poly43hi[5] = { 0x10852163, 0xd333f6a4, 0x46e9408b, 0x27c2cef0, 0xfef577b4 }; + +/* pow2exp[i] = pow(2, i*4/3) exponent */ +static const int pow2exp[8] = { 14, 13, 11, 10, 9, 7, 6, 5 }; + +/* pow2exp[i] = pow(2, i*4/3) fraction */ +static const int pow2frac[8] = { + 0x6597fa94, 0x50a28be6, 0x7fffffff, 0x6597fa94, + 0x50a28be6, 0x7fffffff, 0x6597fa94, 0x50a28be6 +}; + +/************************************************************************************** + * Function: DequantBlock + * + * Description: dequantize one block of transform coefficients (in-place) + * + * Inputs: quantized transform coefficients, range = [0, 8191] + * number of samples to dequantize + * scalefactor for this block of data, range = [0, 256] + * + * Outputs: dequantized transform coefficients in Q(FBITS_OUT_DQ_OFF) + * + * Return: guard bit mask (OR of abs value of all dequantized coefs) + * + * Notes: applies dequant formula y = pow(x, 4.0/3.0) * pow(2, (scale - 100)/4.0) + * * pow(2, FBITS_OUT_DQ_OFF) + * clips outputs to Q(FBITS_OUT_DQ_OFF) + * output has no minimum number of guard bits + **************************************************************************************/ +static int DequantBlock(int *inbuf, int nSamps, int scale) +{ + int iSamp, scalef, scalei, x, y, gbMask, shift, tab4[4]; + const int *tab16, *coef; + + if (nSamps <= 0) { + return 0; + } + + scale -= SF_OFFSET; /* new range = [-100, 156] */ + + /* with two's complement numbers, scalei/scalef factorization works for pos and neg values of scale: + * [+4...+7] >> 2 = +1, [ 0...+3] >> 2 = 0, [-4...-1] >> 2 = -1, [-8...-5] >> 2 = -2 ... + * (-1 & 0x3) = 3, (-2 & 0x3) = 2, (-3 & 0x3) = 1, (0 & 0x3) = 0 + * + * Example: 2^(-5/4) = 2^(-1) * 2^(-1/4) = 2^-2 * 2^(3/4) + */ + tab16 = pow43_14[scale & 0x3]; + scalef = pow14[scale & 0x3]; + scalei = (scale >> 2) + FBITS_OUT_DQ_OFF; + + /* cache first 4 values: + * tab16[j] = Q28 for j = [0,3] + * tab4[x] = x^(4.0/3.0) * 2^(0.25*scale), Q(FBITS_OUT_DQ_OFF) + */ + shift = 28 - scalei; + if (shift > 31) { + tab4[0] = tab4[1] = tab4[2] = tab4[3] = 0; + } else if (shift <= 0) { + shift = -shift; + if (shift > 31) { + shift = 31; + } + for (x = 0; x < 4; x++) { + y = tab16[x]; + if (y > (0x7fffffff >> shift)) { + y = 0x7fffffff; /* clip (rare) */ + } else { + y <<= shift; + } + tab4[x] = y; + } + } else { + tab4[0] = 0; + tab4[1] = tab16[1] >> shift; + tab4[2] = tab16[2] >> shift; + tab4[3] = tab16[3] >> shift; + } + + gbMask = 0; + do { + iSamp = *inbuf; + x = FASTABS(iSamp); + + if (x < 4) { + y = tab4[x]; + } else { + + if (x < 16) { + /* result: y = Q25 (tab16 = Q25) */ + y = tab16[x]; + shift = 25 - scalei; + } else if (x < 64) { + /* result: y = Q21 (pow43tab[j] = Q23, scalef = Q30) */ + y = pow43[x - 16]; + shift = 21 - scalei; + y = MULSHIFT32(y, scalef); + } else { + /* normalize to [0x40000000, 0x7fffffff] + * input x = [64, 8191] = [64, 2^13-1] + * ranges: + * shift = 7: 64 - 127 + * shift = 6: 128 - 255 + * shift = 5: 256 - 511 + * shift = 4: 512 - 1023 + * shift = 3: 1024 - 2047 + * shift = 2: 2048 - 4095 + * shift = 1: 4096 - 8191 + */ + x <<= 17; + shift = 0; + if (x < 0x08000000) { + x <<= 4, shift += 4; + } + if (x < 0x20000000) { + x <<= 2, shift += 2; + } + if (x < 0x40000000) { + x <<= 1, shift += 1; + } + + coef = (x < SQRTHALF) ? poly43lo : poly43hi; + + /* polynomial */ + y = coef[0]; + y = MULSHIFT32(y, x) + coef[1]; + y = MULSHIFT32(y, x) + coef[2]; + y = MULSHIFT32(y, x) + coef[3]; + y = MULSHIFT32(y, x) + coef[4]; + y = MULSHIFT32(y, pow2frac[shift]) << 3; + + /* fractional scale + * result: y = Q21 (pow43tab[j] = Q23, scalef = Q30) + */ + y = MULSHIFT32(y, scalef); /* now y is Q24 */ + shift = 24 - scalei - pow2exp[shift]; + } + + /* integer scale */ + if (shift <= 0) { + shift = -shift; + if (shift > 31) { + shift = 31; + } + + if (y > (0x7fffffff >> shift)) { + y = 0x7fffffff; /* clip (rare) */ + } else { + y <<= shift; + } + } else { + if (shift > 31) { + shift = 31; + } + y >>= shift; + } + } + + /* sign and store (gbMask used to count GB's) */ + gbMask |= y; + + /* apply sign */ + iSamp >>= 31; + y ^= iSamp; + y -= iSamp; + + *inbuf++ = y; + } while (--nSamps); + + return gbMask; +} + +/************************************************************************************** + * Function: Dequantize + * + * Description: dequantize all transform coefficients for one channel + * + * Inputs: valid AACDecInfo struct (including unpacked, quantized coefficients) + * index of current channel + * + * Outputs: dequantized coefficients, including short-block deinterleaving + * flags indicating if intensity and/or PNS is active + * minimum guard bit count for dequantized coefficients + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int Dequantize(AACDecInfo *aacDecInfo, int ch) +{ + int gp, cb, sfb, win, width, nSamps, gbMask; + int *coef; + const short *sfbTab; + unsigned char *sfbCodeBook; + short *scaleFactors; + PSInfoBase *psi; + ICSInfo *icsInfo; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + if (icsInfo->winSequence == 2) { + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + nSamps = NSAMPS_SHORT; + } else { + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + nSamps = NSAMPS_LONG; + } + coef = psi->coef[ch]; + sfbCodeBook = psi->sfbCodeBook[ch]; + scaleFactors = psi->scaleFactors[ch]; + + psi->intensityUsed[ch] = 0; + psi->pnsUsed[ch] = 0; + gbMask = 0; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + /* dequantize one scalefactor band (not necessary if codebook is intensity or PNS) + * for zero codebook, still run dequantizer in case non-zero pulse data was added + */ + cb = (int)(sfbCodeBook[sfb]); + width = sfbTab[sfb + 1] - sfbTab[sfb]; + if (cb >= 0 && cb <= 11) { + gbMask |= DequantBlock(coef, width, scaleFactors[sfb]); + } else if (cb == 13) { + psi->pnsUsed[ch] = 1; + } else if (cb == 14 || cb == 15) { + psi->intensityUsed[ch] = 1; /* should only happen if ch == 1 */ + } + coef += width; + } + coef += (nSamps - sfbTab[icsInfo->maxSFB]); + } + sfbCodeBook += icsInfo->maxSFB; + scaleFactors += icsInfo->maxSFB; + } + aacDecInfo->pnsUsed |= psi->pnsUsed[ch]; /* set flag if PNS used for any channel */ + + /* calculate number of guard bits in dequantized data */ + psi->gbCurrent[ch] = CLZ(gbMask) - 1; + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: DeinterleaveShortBlocks + * + * Description: deinterleave transform coefficients in short blocks for one channel + * + * Inputs: valid AACDecInfo struct (including unpacked, quantized coefficients) + * index of current channel + * + * Outputs: deinterleaved coefficients (window groups into 8 separate windows) + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: only necessary if deinterleaving not part of Huffman decoding + **************************************************************************************/ +int DeinterleaveShortBlocks(AACDecInfo *aacDecInfo, int ch) +{ + /* not used for this implementation - short block deinterleaving performed during Huffman decoding */ + return ERR_AAC_NONE; +} diff --git a/audio_codec/libraac/fft.c b/audio_codec/libraac/fft.c new file mode 100644 index 0000000..e17a2bd --- a/dev/null +++ b/audio_codec/libraac/fft.c @@ -0,0 +1,393 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: fft.c,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * fft.c - Ken's optimized radix-4 DIT FFT, optional radix-8 first pass for odd log2(N) + **************************************************************************************/ + +#include "coder.h" + +#include "assembly.h" + + +#define NUM_FFT_SIZES 2 +static const int nfftTab[NUM_FFT_SIZES] = {64, 512}; +static const int nfftlog2Tab[NUM_FFT_SIZES] = {6, 9}; + +#define SQRT1_2 0x5a82799a /* sqrt(1/2) in Q31 */ + +#define swapcplx(p0,p1) \ + t = p0; t1 = *(&(p0)+1); p0 = p1; *(&(p0)+1) = *(&(p1)+1); p1 = t; *(&(p1)+1) = t1 + +/************************************************************************************** + * Function: BitReverse + * + * Description: Ken's fast in-place bit reverse, using super-small table + * + * Inputs: buffer of samples + * table index (for transform size) + * + * Outputs: bit-reversed samples in same buffer + * + * Return: none + **************************************************************************************/ +static void BitReverse(int *inout, int tabidx) +{ + int *part0, *part1; + int a, b, t, t1; + const unsigned char* tab = bitrevtab + bitrevtabOffset[tabidx]; + int nbits = nfftlog2Tab[tabidx]; + + part0 = inout; + part1 = inout + (1 << nbits); + + while ((a = *tab++) != 0) { + b = *tab++; + + swapcplx(part0[4 * a + 0], part0[4 * b + 0]); /* 0xxx0 <-> 0yyy0 */ + swapcplx(part0[4 * a + 2], part1[4 * b + 0]); /* 0xxx1 <-> 1yyy0 */ + swapcplx(part1[4 * a + 0], part0[4 * b + 2]); /* 1xxx0 <-> 0yyy1 */ + swapcplx(part1[4 * a + 2], part1[4 * b + 2]); /* 1xxx1 <-> 1yyy1 */ + } + + do { + swapcplx(part0[4 * a + 2], part1[4 * a + 0]); /* 0xxx1 <-> 1xxx0 */ + } while ((a = *tab++) != 0); +} + +/************************************************************************************** + * Function: R4FirstPass + * + * Description: radix-4 trivial pass for decimation-in-time FFT + * + * Inputs: buffer of (bit-reversed) samples + * number of R4 butterflies per group (i.e. nfft / 4) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 2 guard bits, gains no integer bits, + * guard bits out = guard bits in - 2 + **************************************************************************************/ +static void R4FirstPass(int *x, int bg) +{ + int ar, ai, br, bi, cr, ci, dr, di; + + for (; bg != 0; bg--) { + + ar = x[0] + x[2]; + br = x[0] - x[2]; + ai = x[1] + x[3]; + bi = x[1] - x[3]; + cr = x[4] + x[6]; + dr = x[4] - x[6]; + ci = x[5] + x[7]; + di = x[5] - x[7]; + + /* max per-sample gain = 4.0 (adding 4 inputs together) */ + x[0] = ar + cr; + x[4] = ar - cr; + x[1] = ai + ci; + x[5] = ai - ci; + x[2] = br + di; + x[6] = br - di; + x[3] = bi - dr; + x[7] = bi + dr; + + x += 8; + } +} + +/************************************************************************************** + * Function: R8FirstPass + * + * Description: radix-8 trivial pass for decimation-in-time FFT + * + * Inputs: buffer of (bit-reversed) samples + * number of R8 butterflies per group (i.e. nfft / 8) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 3 guard bits, gains 1 integer bit + * guard bits out = guard bits in - 3 (if inputs are full scale) + * or guard bits in - 2 (if inputs bounded to +/- sqrt(2)/2) + * see scaling comments in code + **************************************************************************************/ +static void R8FirstPass(int *x, int bg) +{ + int ar, ai, br, bi, cr, ci, dr, di; + int sr, si, tr, ti, ur, ui, vr, vi; + int wr, wi, xr, xi, yr, yi, zr, zi; + + for (; bg != 0; bg--) { + + ar = x[0] + x[2]; + br = x[0] - x[2]; + ai = x[1] + x[3]; + bi = x[1] - x[3]; + cr = x[4] + x[6]; + dr = x[4] - x[6]; + ci = x[5] + x[7]; + di = x[5] - x[7]; + + sr = ar + cr; + ur = ar - cr; + si = ai + ci; + ui = ai - ci; + tr = br - di; + vr = br + di; + ti = bi + dr; + vi = bi - dr; + + ar = x[ 8] + x[10]; + br = x[ 8] - x[10]; + ai = x[ 9] + x[11]; + bi = x[ 9] - x[11]; + cr = x[12] + x[14]; + dr = x[12] - x[14]; + ci = x[13] + x[15]; + di = x[13] - x[15]; + + /* max gain of wr/wi/yr/yi vs input = 2 + * (sum of 4 samples >> 1) + */ + wr = (ar + cr) >> 1; + yr = (ar - cr) >> 1; + wi = (ai + ci) >> 1; + yi = (ai - ci) >> 1; + + /* max gain of output vs input = 4 + * (sum of 4 samples >> 1 + sum of 4 samples >> 1) + */ + x[ 0] = (sr >> 1) + wr; + x[ 8] = (sr >> 1) - wr; + x[ 1] = (si >> 1) + wi; + x[ 9] = (si >> 1) - wi; + x[ 4] = (ur >> 1) + yi; + x[12] = (ur >> 1) - yi; + x[ 5] = (ui >> 1) - yr; + x[13] = (ui >> 1) + yr; + + ar = br - di; + cr = br + di; + ai = bi + dr; + ci = bi - dr; + + /* max gain of xr/xi/zr/zi vs input = 4*sqrt(2)/2 = 2*sqrt(2) + * (sum of 8 samples, multiply by sqrt(2)/2, implicit >> 1 from Q31) + */ + xr = MULSHIFT32(SQRT1_2, ar - ai); + xi = MULSHIFT32(SQRT1_2, ar + ai); + zr = MULSHIFT32(SQRT1_2, cr - ci); + zi = MULSHIFT32(SQRT1_2, cr + ci); + + /* max gain of output vs input = (2 + 2*sqrt(2) ~= 4.83) + * (sum of 4 samples >> 1, plus xr/xi/zr/zi with gain of 2*sqrt(2)) + * in absolute terms, we have max gain of appx 9.656 (4 + 0.707*8) + * but we also gain 1 int bit (from MULSHIFT32 or from explicit >> 1) + */ + x[ 6] = (tr >> 1) - xr; + x[14] = (tr >> 1) + xr; + x[ 7] = (ti >> 1) - xi; + x[15] = (ti >> 1) + xi; + x[ 2] = (vr >> 1) + zi; + x[10] = (vr >> 1) - zi; + x[ 3] = (vi >> 1) - zr; + x[11] = (vi >> 1) + zr; + + x += 16; + } +} + +/************************************************************************************** + * Function: R4Core + * + * Description: radix-4 pass for decimation-in-time FFT + * + * Inputs: buffer of samples + * number of R4 butterflies per group + * number of R4 groups per pass + * pointer to twiddle factors tables + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: gain 2 integer bits per pass (see scaling comments in code) + * min 1 GB in + * gbOut = gbIn - 1 (short block) or gbIn - 2 (long block) + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + **************************************************************************************/ +static void R4Core(int *x, int bg, int gp, int *wtab) +{ + int ar, ai, br, bi, cr, ci, dr, di, tr, ti; + int wd, ws, wi; + int i, j, step; + int *xptr, *wptr; + + for (; bg != 0; gp <<= 2, bg >>= 2) { + + step = 2 * gp; + xptr = x; + + /* max per-sample gain, per group < 1 + 3*sqrt(2) ~= 5.25 if inputs x are full-scale + * do 3 groups for long block, 2 groups for short block (gain 2 int bits per group) + * + * very conservative scaling: + * group 1: max gain = 5.25, int bits gained = 2, gb used = 1 (2^3 = 8) + * group 2: max gain = 5.25^2 = 27.6, int bits gained = 4, gb used = 1 (2^5 = 32) + * group 3: max gain = 5.25^3 = 144.7, int bits gained = 6, gb used = 2 (2^8 = 256) + */ + for (i = bg; i != 0; i--) { + + wptr = wtab; + + for (j = gp; j != 0; j--) { + + ar = xptr[0]; + ai = xptr[1]; + xptr += step; + + /* gain 2 int bits for br/bi, cr/ci, dr/di (MULSHIFT32 by Q30) + * gain 1 net GB + */ + ws = wptr[0]; + wi = wptr[1]; + br = xptr[0]; + bi = xptr[1]; + wd = ws + 2 * wi; + tr = MULSHIFT32(wi, br + bi); + br = MULSHIFT32(wd, br) - tr; /* cos*br + sin*bi */ + bi = MULSHIFT32(ws, bi) + tr; /* cos*bi - sin*br */ + xptr += step; + + ws = wptr[2]; + wi = wptr[3]; + cr = xptr[0]; + ci = xptr[1]; + wd = ws + 2 * wi; + tr = MULSHIFT32(wi, cr + ci); + cr = MULSHIFT32(wd, cr) - tr; + ci = MULSHIFT32(ws, ci) + tr; + xptr += step; + + ws = wptr[4]; + wi = wptr[5]; + dr = xptr[0]; + di = xptr[1]; + wd = ws + 2 * wi; + tr = MULSHIFT32(wi, dr + di); + dr = MULSHIFT32(wd, dr) - tr; + di = MULSHIFT32(ws, di) + tr; + wptr += 6; + + tr = ar; + ti = ai; + ar = (tr >> 2) - br; + ai = (ti >> 2) - bi; + br = (tr >> 2) + br; + bi = (ti >> 2) + bi; + + tr = cr; + ti = ci; + cr = tr + dr; + ci = di - ti; + dr = tr - dr; + di = di + ti; + + xptr[0] = ar + ci; + xptr[1] = ai + dr; + xptr -= step; + xptr[0] = br - cr; + xptr[1] = bi - di; + xptr -= step; + xptr[0] = ar - ci; + xptr[1] = ai - dr; + xptr -= step; + xptr[0] = br + cr; + xptr[1] = bi + di; + xptr += 2; + } + xptr += 3 * step; + } + wtab += 3 * step; + } +} + + +/************************************************************************************** + * Function: R4FFT + * + * Description: Ken's very fast in-place radix-4 decimation-in-time FFT + * + * Inputs: table index (for transform size) + * buffer of samples (non bit-reversed) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 5 guard bits in for nfft <= 512 + * gbOut = gbIn - 4 (assuming input is from PreMultiply) + * gains log2(nfft) - 2 int bits total + * so gain 7 int bits (LONG), 4 int bits (SHORT) + **************************************************************************************/ +void R4FFT(int tabidx, int *x) +{ + int order = nfftlog2Tab[tabidx]; + int nfft = nfftTab[tabidx]; + + /* decimation in time */ + BitReverse(x, tabidx); + + if (order & 0x1) { + /* long block: order = 9, nfft = 512 */ + R8FirstPass(x, nfft >> 3); /* gain 1 int bit, lose 2 GB */ + R4Core(x, nfft >> 5, 8, (int *)twidTabOdd); /* gain 6 int bits, lose 2 GB */ + } else { + /* short block: order = 6, nfft = 64 */ + R4FirstPass(x, nfft >> 2); /* gain 0 int bits, lose 2 GB */ + R4Core(x, nfft >> 4, 4, (int *)twidTabEven); /* gain 4 int bits, lose 1 GB */ + } +} diff --git a/audio_codec/libraac/filefmt.c b/audio_codec/libraac/filefmt.c new file mode 100644 index 0000000..cce8ba0 --- a/dev/null +++ b/audio_codec/libraac/filefmt.c @@ -0,0 +1,531 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: filefmt.c,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * filefmt.c - ADIF and ADTS header decoding, raw block handling + **************************************************************************************/ + +#include "coder.h" +//#include +#include + +/************************************************************************************** +* Function: UnpackADTSHeader +* +* Description: parse the ADTS frame header and initialize decoder state +* +* Inputs: valid AACDecInfo struct +* double pointer to buffer with complete ADTS frame header (byte aligned) +* header size = 7 bytes, plus 2 if CRC +* +* Outputs: filled in ADTS struct +* updated buffer pointer +* updated bit offset +* updated number of available bits +* +* Return: 0 if successful, error code (< 0) if error +* +* TODO: test CRC +* verify that fixed fields don't change between frames +**************************************************************************************/ +int UnpackADTSHeader(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail) +{ + int bitsUsed; + PSInfoBase *psi; + BitStreamInfo bsi; + ADTSHeader *fhADTS; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + fhADTS = &(psi->fhADTS); + + if (AACDataSource == 1) { + /* init bitstream reader */ + SetBitstreamPointer(&bsi, (*bitsAvail + 7) >> 3, *buf); + GetBits(&bsi, *bitOffset); + + /* verify that first 12 bits of header are syncword */ + if (GetBits(&bsi, 12) != 0x0fff) { + return ERR_AAC_INVALID_ADTS_HEADER; + } + } + /* fixed fields - should not change from frame to frame */ + fhADTS->id = GetBits(&bsi, 1); + fhADTS->layer = GetBits(&bsi, 2); + fhADTS->protectBit = GetBits(&bsi, 1); + fhADTS->profile = GetBits(&bsi, 2); + fhADTS->sampRateIdx = GetBits(&bsi, 4); + fhADTS->privateBit = GetBits(&bsi, 1); + fhADTS->channelConfig = GetBits(&bsi, 3); + fhADTS->origCopy = GetBits(&bsi, 1); + fhADTS->home = GetBits(&bsi, 1); + + /* variable fields - can change from frame to frame */ + fhADTS->copyBit = GetBits(&bsi, 1); + fhADTS->copyStart = GetBits(&bsi, 1); + fhADTS->frameLength = GetBits(&bsi, 13); + fhADTS->bufferFull = GetBits(&bsi, 11); + fhADTS->numRawDataBlocks = GetBits(&bsi, 2) + 1; + + /* note - MPEG4 spec, correction 1 changes how CRC is handled when protectBit == 0 and numRawDataBlocks > 1 */ + if (fhADTS->protectBit == 0) { + fhADTS->crcCheckWord = GetBits(&bsi, 16); + } + + /* byte align */ + ByteAlignBitstream(&bsi); /* should always be aligned anyway */ + + /* check validity of header */ + if (fhADTS->layer != 0 || fhADTS->profile != AAC_PROFILE_LC || + fhADTS->sampRateIdx >= NUM_SAMPLE_RATES || fhADTS->channelConfig >= NUM_DEF_CHAN_MAPS) { + return ERR_AAC_INVALID_ADTS_HEADER; + } + +#ifndef AAC_ENABLE_MPEG4 + if (fhADTS->id != 1) { + return ERR_AAC_MPEG4_UNSUPPORTED; + } +#endif + + /* update codec info */ + psi->sampRateIdx = fhADTS->sampRateIdx; + if (!psi->useImpChanMap) { + psi->nChans = channelMapTab[fhADTS->channelConfig]; + } + + /* syntactic element fields will be read from bitstream for each element */ + aacDecInfo->prevBlockID = AAC_ID_INVALID; + aacDecInfo->currBlockID = AAC_ID_INVALID; + aacDecInfo->currInstTag = -1; + + /* fill in user-accessible data (TODO - calc bitrate, handle tricky channel config cases) */ + aacDecInfo->bitRate = 0; + aacDecInfo->nChans = psi->nChans; + aacDecInfo->sampRate = sampRateTab[psi->sampRateIdx]; + aacDecInfo->profile = fhADTS->profile; + aacDecInfo->sbrEnabled = 0; + aacDecInfo->adtsBlocksLeft = fhADTS->numRawDataBlocks; + + if (AACDataSource == 1) { + /* update bitstream reader */ + bitsUsed = CalcBitsUsed(&bsi, *buf, *bitOffset); + *buf += (bitsUsed + *bitOffset) >> 3; + *bitOffset = (bitsUsed + *bitOffset) & 0x07; + *bitsAvail -= bitsUsed ; + if (*bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: GetADTSChannelMapping + * + * Description: determine the number of channels from implicit mapping rules + * + * Inputs: valid AACDecInfo struct + * pointer to start of raw_data_block + * bit offset + * bits available + * + * Outputs: updated number of channels + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: calculates total number of channels using rules in 14496-3, 4.5.1.2.1 + * does not attempt to deduce speaker geometry + **************************************************************************************/ +int GetADTSChannelMapping(AACDecInfo *aacDecInfo, unsigned char *buf, int bitOffset, int bitsAvail) +{ + int ch, nChans, elementChans, err; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + nChans = 0; + do { + /* parse next syntactic element */ + err = DecodeNextElement(aacDecInfo, &buf, &bitOffset, &bitsAvail); + if (err) { + return err; + } + + elementChans = elementNumChans[aacDecInfo->currBlockID]; + nChans += elementChans; + + for (ch = 0; ch < elementChans; ch++) { + err = DecodeNoiselessData(aacDecInfo, &buf, &bitOffset, &bitsAvail, ch); + if (err) { + return err; + } + } + } while (aacDecInfo->currBlockID != AAC_ID_END); + + if (nChans <= 0) { + return ERR_AAC_CHANNEL_MAP; + } + + /* update number of channels in codec state and user-accessible info structs */ + psi->nChans = nChans; + aacDecInfo->nChans = psi->nChans; + psi->useImpChanMap = 1; + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: GetNumChannelsADIF + * + * Description: get number of channels from program config elements in an ADIF file + * + * Inputs: array of filled-in program config element structures + * number of PCE's + * + * Outputs: none + * + * Return: total number of channels in file + * -1 if error (invalid number of PCE's or unsupported mode) + **************************************************************************************/ +static int GetNumChannelsADIF(ProgConfigElement *fhPCE, int nPCE) +{ + int i, j, nChans; + + if (nPCE < 1 || nPCE > MAX_NUM_PCE_ADIF) { + return -1; + } + + nChans = 0; + for (i = 0; i < nPCE; i++) { + /* for now: only support LC, no channel coupling */ + if (fhPCE[i].profile != AAC_PROFILE_LC || fhPCE[i].numCCE > 0) { + return -1; + } + + /* add up number of channels in all channel elements (assume all single-channel) */ + nChans += fhPCE[i].numFCE; + nChans += fhPCE[i].numSCE; + nChans += fhPCE[i].numBCE; + nChans += fhPCE[i].numLCE; + + /* add one more for every element which is a channel pair */ + for (j = 0; j < fhPCE[i].numFCE; j++) { + if (CHAN_ELEM_IS_CPE(fhPCE[i].fce[j])) { + nChans++; + } + } + for (j = 0; j < fhPCE[i].numSCE; j++) { + if (CHAN_ELEM_IS_CPE(fhPCE[i].sce[j])) { + nChans++; + } + } + for (j = 0; j < fhPCE[i].numBCE; j++) { + if (CHAN_ELEM_IS_CPE(fhPCE[i].bce[j])) { + nChans++; + } + } + + } + + return nChans; +} + +/************************************************************************************** + * Function: GetSampleRateIdxADIF + * + * Description: get sampling rate index from program config elements in an ADIF file + * + * Inputs: array of filled-in program config element structures + * number of PCE's + * + * Outputs: none + * + * Return: sample rate of file + * -1 if error (invalid number of PCE's or sample rate mismatch) + **************************************************************************************/ +static int GetSampleRateIdxADIF(ProgConfigElement *fhPCE, int nPCE) +{ + int i, idx; + + if (nPCE < 1 || nPCE > MAX_NUM_PCE_ADIF) { + return -1; + } + + /* make sure all PCE's have the same sample rate */ + idx = fhPCE[0].sampRateIdx; + for (i = 1; i < nPCE; i++) { + if (fhPCE[i].sampRateIdx != idx) { + return -1; + } + } + + return idx; +} + +/************************************************************************************** + * Function: UnpackADIFHeader + * + * Description: parse the ADIF file header and initialize decoder state + * + * Inputs: valid AACDecInfo struct + * double pointer to buffer with complete ADIF header + * (starting at 'A' in 'ADIF' tag) + * pointer to bit offset + * pointer to number of valid bits remaining in inbuf + * + * Outputs: filled-in ADIF struct + * updated buffer pointer + * updated bit offset + * updated number of available bits + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int UnpackADIFHeader(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail) +{ + int i, bitsUsed; + PSInfoBase *psi; + BitStreamInfo bsi; + ADIFHeader *fhADIF; + ProgConfigElement *pce; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + if (AACDataSource == 1) { + /* init bitstream reader */ + SetBitstreamPointer(&bsi, (*bitsAvail + 7) >> 3, *buf); + GetBits(&bsi, *bitOffset); + } + + /* unpack ADIF file header */ + fhADIF = &(psi->fhADIF); + pce = psi->pce; + + /* verify that first 32 bits of header are "ADIF" */ + if (GetBits(&bsi, 8) != 'A' || GetBits(&bsi, 8) != 'D' || GetBits(&bsi, 8) != 'I' || GetBits(&bsi, 8) != 'F') { + return ERR_AAC_INVALID_ADIF_HEADER; + } + + /* read ADIF header fields */ + fhADIF->copyBit = GetBits(&bsi, 1); + if (fhADIF->copyBit) { + for (i = 0; i < ADIF_COPYID_SIZE; i++) { + fhADIF->copyID[i] = GetBits(&bsi, 8); + } + } + fhADIF->origCopy = GetBits(&bsi, 1); + fhADIF->home = GetBits(&bsi, 1); + fhADIF->bsType = GetBits(&bsi, 1); + fhADIF->bitRate = GetBits(&bsi, 23); + fhADIF->numPCE = GetBits(&bsi, 4) + 1; /* add 1 (so range = [1, 16]) */ + if (fhADIF->bsType == 0) { + fhADIF->bufferFull = GetBits(&bsi, 20); + } + + /* parse all program config elements */ + for (i = 0; i < fhADIF->numPCE; i++) { + DecodeProgramConfigElement(pce + i, &bsi); + } + + /* byte align */ + ByteAlignBitstream(&bsi); + + /* update codec info */ + psi->nChans = GetNumChannelsADIF(pce, fhADIF->numPCE); + psi->sampRateIdx = GetSampleRateIdxADIF(pce, fhADIF->numPCE); + + /* check validity of header */ + if (psi->nChans < 0 || psi->sampRateIdx < 0 || psi->sampRateIdx >= NUM_SAMPLE_RATES) { + return ERR_AAC_INVALID_ADIF_HEADER; + } + + /* syntactic element fields will be read from bitstream for each element */ + aacDecInfo->prevBlockID = AAC_ID_INVALID; + aacDecInfo->currBlockID = AAC_ID_INVALID; + aacDecInfo->currInstTag = -1; + + /* fill in user-accessible data */ + aacDecInfo->bitRate = fhADIF->bitRate; + aacDecInfo->nChans = psi->nChans; + aacDecInfo->sampRate = sampRateTab[psi->sampRateIdx]; + aacDecInfo->profile = pce[0].profile; + aacDecInfo->sbrEnabled = 0; + if (AACDataSource == 1) { + /* update bitstream reader */ + bitsUsed = CalcBitsUsed(&bsi, *buf, *bitOffset); + *buf += (bitsUsed + *bitOffset) >> 3; + *bitOffset = (bitsUsed + *bitOffset) & 0x07; + *bitsAvail -= bitsUsed ; + if (*bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: SetRawBlockParams + * + * Description: set internal state variables for decoding a stream of raw data blocks + * + * Inputs: valid AACDecInfo struct + * flag indicating source of parameters (from previous headers or passed + * explicitly by caller) + * number of channels + * sample rate + * profile ID + * + * Outputs: updated state variables in aacDecInfo + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: if copyLast == 1, then psi->nChans, psi->sampRateIdx, and + * aacDecInfo->profile are not changed (it's assumed that we already + * set them, such as by a previous call to UnpackADTSHeader()) + * if copyLast == 0, then the parameters we passed in are used instead + **************************************************************************************/ +int SetRawBlockParams(AACDecInfo *aacDecInfo, int copyLast, int nChans, int sampRate, int profile) +{ + int idx; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + if (!copyLast) { + aacDecInfo->profile = profile; + psi->nChans = nChans; + for (idx = 0; idx < NUM_SAMPLE_RATES; idx++) { + if (sampRate == sampRateTab[idx]) { + psi->sampRateIdx = idx; + break; + } + } + if (idx == NUM_SAMPLE_RATES) { + return ERR_AAC_INVALID_FRAME; + } + } + aacDecInfo->nChans = psi->nChans; + aacDecInfo->sampRate = sampRateTab[psi->sampRateIdx]; + + /* check validity of header */ + if (psi->sampRateIdx >= NUM_SAMPLE_RATES || psi->sampRateIdx < 0 || aacDecInfo->profile != AAC_PROFILE_LC) { + return ERR_AAC_RAWBLOCK_PARAMS; + } + + return ERR_AAC_NONE; +} +/************************************************************************************** + * Function: PrepareRawBlock + * + * Description: reset per-block state variables for raw blocks (no ADTS/ADIF headers) + * + * Inputs: valid AACDecInfo struct + * + * Outputs: updated state variables in aacDecInfo + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int PrepareRawBlock(AACDecInfo *aacDecInfo) +{ + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + /* syntactic element fields will be read from bitstream for each element */ + aacDecInfo->prevBlockID = AAC_ID_INVALID; + aacDecInfo->currBlockID = AAC_ID_INVALID; + aacDecInfo->currInstTag = -1; + + /* fill in user-accessible data */ + aacDecInfo->bitRate = 0; + aacDecInfo->sbrEnabled = 0; + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: FlushCodec + * + * Description: flush internal codec state (after seeking, for example) + * + * Inputs: valid AACDecInfo struct + * + * Outputs: updated state variables in aacDecInfo + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: only need to clear data which is persistent between frames + * (such as overlap buffer) + **************************************************************************************/ +int FlushCodec(AACDecInfo *aacDecInfo) +{ + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + ClearBuffer(psi->overlap, AAC_MAX_NCHANS * AAC_MAX_NSAMPS * sizeof(int)); + ClearBuffer(psi->prevWinShape, AAC_MAX_NCHANS * sizeof(int)); + + return ERR_AAC_NONE; +} diff --git a/audio_codec/libraac/ga_config.c b/audio_codec/libraac/ga_config.c new file mode 100644 index 0000000..31bca7c --- a/dev/null +++ b/audio_codec/libraac/ga_config.c @@ -0,0 +1,209 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ga_config.c,v 1.1.1.1.2.1 2005/05/04 18:21:58 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/* parse an MPEG-4 general audio specific config structure from a bitstream */ + +#include "ga_config.h" +#include "aac_bitstream.h" + +const UINT32 aSampleRate[13] = { + 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, + 11025, 8000, 7350 +}; + +const UINT32 channelMapping[][4] = { + {0, 0, 0, 0}, + {1, 0, 0, 0}, /* center */ + {2, 0, 0, 0}, /* left, right */ + {3, 0, 0, 0}, /* center, left, right */ + {3, 0, 1, 0}, /* center, left, right, rear surround */ + {3, 0, 2, 0}, /* center, left, right, left surround, right surround */ + {3, 0, 2, 1}, /* center, left, right, left surround, right surround, lfe */ + {5, 0, 2, 1}, /* center, left, right, left outside, right outside, left surround, right surround, lfe */ +}; + +UINT32 ga_config_get_data(struct BITSTREAM *bs, ga_config_data *data) +{ + UINT32 i; + UINT32 index = 0; + UINT32 flag = 0; + UINT32 skip = 0; + UINT32 channelConfig = 0; + + /* audio object type */ + data->audioObjectType = readBits(bs, 5); + + /* sampling frequency */ + index = readBits(bs, 4); + if (index == 0xF) { + data->samplingFrequency = readBits(bs, 24); + } else { + data->samplingFrequency = aSampleRate[index]; + } + + /* channel configuration */ + channelConfig = readBits(bs, 4); + + /* sbr parameters */ + if (data->audioObjectType == AACSBR) { + data->bSBR = TRUE; + index = readBits(bs, 4); + if (index == 0xF) { + data->extensionSamplingFrequency = readBits(bs, 24); + } else { + data->extensionSamplingFrequency = readBits(bs, 24); + } + + data->audioObjectType = readBits(bs, 5); + } else { + data->extensionSamplingFrequency = data->samplingFrequency; + data->bSBR = FALSE; + } + + /* make sure format is supported */ + if (data->audioObjectType == AACMAIN || + data->audioObjectType == AACLC || + data->audioObjectType == AACLTP) { + flag = readBits(bs, 1); + data->frameLength = flag ? 960 : 1024; + + flag = readBits(bs, 1); + if (flag) { + data->coreCoderDelay = readBits(bs, 14); + } + + flag = readBits(bs, 1); /* extension flag - not defined */ + + if (channelConfig == 0) { + skip = readBits(bs, 4); /* ignore element instance tag */ + skip = readBits(bs, 2); /* ignore object type */ + skip = readBits(bs, 4); /* ignore sampling frequency index */ + + data->numFrontElements = readBits(bs, 4); + data->numSideElements = readBits(bs, 4); + data->numBackElements = readBits(bs, 4); + data->numLfeElements = readBits(bs, 2); + data->numAssocElements = readBits(bs, 3); + data->numValidCCElements = readBits(bs, 4); + + if (readBits(bs, 1)) { /* mono mixdown present */ + skip = readBits(bs, 4); /* ignore mixdown element */ + } + + if (readBits(bs, 1)) { /* stereo mixdown present */ + skip = readBits(bs, 4); /* ignore mixdown element */ + } + + if (readBits(bs, 1)) { /* matrix mixdown present */ + skip = readBits(bs, 2); /* ignore mixdown index */ + skip = readBits(bs, 1); /* ignore surround enable */ + } + + for (i = 0; i < data->numFrontElements; i++) { + data->numFrontChannels += (1 + readBits(bs, 1)); + skip = readBits(bs, 4); /* ignore tag select */ + } + for (i = 0; i < data->numSideElements; i++) { + data->numSideChannels += (1 + readBits(bs, 1)); + skip = readBits(bs, 4); /* ignore tag select */ + } + for (i = 0; i < data->numBackElements; i++) { + data->numBackChannels += (1 + readBits(bs, 1)); + skip = readBits(bs, 4); /* ignore tag select */ + } + for (i = 0; i < data->numLfeElements; i++) { + skip = readBits(bs, 4); /* ignore tag select */ + } + for (i = 0; i < data->numAssocElements; i++) { + skip = readBits(bs, 4); /* ignore tag select */ + } + for (i = 0; i < data->numValidCCElements; i++) { + skip = readBits(bs, 1); /* ignore 'is_ind_sw' */ + skip = readBits(bs, 4); /* ignore tag select */ + } + + byteAlign(bs); + + /* ignore comment field data */ + index = readBits(bs, 8); + for (i = 0; i < index; i++) { + skip = readBits(bs, 8); + } + } else { + if (channelConfig >= 8) { + return HXR_FAIL; + } + + data->numFrontChannels = channelMapping[channelConfig][0]; + data->numSideChannels = channelMapping[channelConfig][1]; + data->numBackChannels = channelMapping[channelConfig][2]; + data->numLfeElements = channelMapping[channelConfig][3]; + + data->numFrontElements = (data->numFrontChannels + 1) >> 1; + data->numSideElements = (data->numSideChannels + 1) >> 1; + data->numBackElements = (data->numBackChannels + 1) >> 1; + } + + data->numChannels = data->numFrontChannels + + data->numSideChannels + + data->numBackChannels + + data->numLfeElements; + + } else { /* format not supported */ + return HXR_FAIL; + } + + /* check for SBR info if there is enough data left in the bitstream */ + if (!data->bSBR && bitsLeftInBitstream(bs) >= 16) { + if (readBits(bs, 11) == 0x2b7) { + if (readBits(bs, 5) == 5) { + data->bSBR = readBits(bs, 1); + + if (data->bSBR) { + index = readBits(bs, 4); + if (index == 0xF) { + data->extensionSamplingFrequency = readBits(bs, 24); + } else { + data->extensionSamplingFrequency = aSampleRate[index]; + } + } + } + } + } + + return HXR_OK; +} diff --git a/audio_codec/libraac/ga_config.h b/audio_codec/libraac/ga_config.h new file mode 100644 index 0000000..9f869e2 --- a/dev/null +++ b/audio_codec/libraac/ga_config.h @@ -0,0 +1,86 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ga_config.h,v 1.1.1.1.2.1 2005/05/04 18:21:58 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/* parse an MPEG-4 general audio specific config structure from a bitstream */ + +#ifndef GA_CONFIG_H +#define GA_CONFIG_H + +#include "include/helix_types.h" +#include "include/helix_result.h" +#include "aac_bitstream.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + typedef struct ga_config_data_struct { + UINT32 audioObjectType; + UINT32 samplingFrequency; + UINT32 extensionSamplingFrequency; + UINT32 frameLength; + UINT32 coreCoderDelay; + UINT32 numChannels; + UINT32 numFrontChannels; + UINT32 numSideChannels; + UINT32 numBackChannels; + UINT32 numFrontElements; + UINT32 numSideElements; + UINT32 numBackElements; + UINT32 numLfeElements; + UINT32 numAssocElements; + UINT32 numValidCCElements; + HXBOOL bSBR; + } ga_config_data; + + enum AudioObjectType { + AACMAIN = 1, + AACLC = 2, + AACSSR = 3, + AACLTP = 4, + AACSBR = 5, + AACSCALABLE = 6, + TWINVQ = 7 + }; + + UINT32 ga_config_get_data(struct BITSTREAM *bs, ga_config_data *data); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef GA_CONFIG_H */ diff --git a/audio_codec/libraac/huffman.c b/audio_codec/libraac/huffman.c new file mode 100644 index 0000000..2a5b869 --- a/dev/null +++ b/audio_codec/libraac/huffman.c @@ -0,0 +1,449 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: huffman.c,v 1.2 2005/05/24 16:01:55 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * huffman.c - Huffman decoding + **************************************************************************************/ + +#include "coder.h" + +/************************************************************************************** + * Function: DecodeHuffmanScalar + * + * Description: decode one Huffman symbol from bitstream + * + * Inputs: pointers to Huffman table and info struct + * left-aligned bit buffer with >= huffTabInfo->maxBits bits + * + * Outputs: decoded symbol in *val + * + * Return: number of bits in symbol + * + * Notes: assumes canonical Huffman codes: + * first CW always 0, we have "count" CW's of length "nBits" bits + * starting CW for codes of length nBits+1 = + * (startCW[nBits] + count[nBits]) << 1 + * if there are no codes at nBits, then we just keep << 1 each time + * (since count[nBits] = 0) + **************************************************************************************/ +int DecodeHuffmanScalar(const signed short *huffTab, const HuffInfo *huffTabInfo, unsigned int bitBuf, signed int *val) +{ + unsigned int count, start, shift, t; + const unsigned char *countPtr; + const signed short *map; + + map = huffTab + huffTabInfo->offset; + countPtr = huffTabInfo->count; + + start = 0; + count = 0; + shift = 32; + do { + start += count; + start <<= 1; + map += count; + count = *countPtr++; + shift--; + t = (bitBuf >> shift) - start; + } while (t >= count); + + *val = (signed int)map[t]; + return (countPtr - huffTabInfo->count); +} + +#define APPLY_SIGN(v, s) {(v) ^= ((signed int)(s) >> 31); (v) -= ((signed int)(s) >> 31);} + +#define GET_QUAD_SIGNBITS(v) (((unsigned int)(v) << 17) >> 29) /* bits 14-12, unsigned */ +#define GET_QUAD_W(v) (((signed int)(v) << 20) >> 29) /* bits 11-9, sign-extend */ +#define GET_QUAD_X(v) (((signed int)(v) << 23) >> 29) /* bits 8-6, sign-extend */ +#define GET_QUAD_Y(v) (((signed int)(v) << 26) >> 29) /* bits 5-3, sign-extend */ +#define GET_QUAD_Z(v) (((signed int)(v) << 29) >> 29) /* bits 2-0, sign-extend */ + +#define GET_PAIR_SIGNBITS(v) (((unsigned int)(v) << 20) >> 30) /* bits 11-10, unsigned */ +#define GET_PAIR_Y(v) (((signed int)(v) << 22) >> 27) /* bits 9-5, sign-extend */ +#define GET_PAIR_Z(v) (((signed int)(v) << 27) >> 27) /* bits 4-0, sign-extend */ + +#define GET_ESC_SIGNBITS(v) (((unsigned int)(v) << 18) >> 30) /* bits 13-12, unsigned */ +#define GET_ESC_Y(v) (((signed int)(v) << 20) >> 26) /* bits 11-6, sign-extend */ +#define GET_ESC_Z(v) (((signed int)(v) << 26) >> 26) /* bits 5-0, sign-extend */ + +/************************************************************************************** + * Function: UnpackZeros + * + * Description: fill a section of coefficients with zeros + * + * Inputs: number of coefficients + * + * Outputs: nVals zeros, starting at coef + * + * Return: none + * + * Notes: assumes nVals is always a multiple of 4 because all scalefactor bands + * are a multiple of 4 coefficients long + **************************************************************************************/ +static void UnpackZeros(int nVals, int *coef) +{ + while (nVals > 0) { + *coef++ = 0; + *coef++ = 0; + *coef++ = 0; + *coef++ = 0; + nVals -= 4; + } +} + +/************************************************************************************** + * Function: UnpackQuads + * + * Description: decode a section of 4-way vector Huffman coded coefficients + * + * Inputs BitStreamInfo struct pointing to start of codewords for this section + * index of Huffman codebook + * number of coefficients + * + * Outputs: nVals coefficients, starting at coef + * + * Return: none + * + * Notes: assumes nVals is always a multiple of 4 because all scalefactor bands + * are a multiple of 4 coefficients long + **************************************************************************************/ +static void UnpackQuads(BitStreamInfo *bsi, int cb, int nVals, int *coef) +{ + int w, x, y, z, maxBits, nCodeBits, nSignBits, val; + unsigned int bitBuf; + + maxBits = huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET].maxBits + 4; + while (nVals > 0) { + /* decode quad */ + bitBuf = GetBitsNoAdvance(bsi, maxBits) << (32 - maxBits); + nCodeBits = DecodeHuffmanScalar(huffTabSpec, &huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET], bitBuf, &val); + + w = GET_QUAD_W(val); + x = GET_QUAD_X(val); + y = GET_QUAD_Y(val); + z = GET_QUAD_Z(val); + + bitBuf <<= nCodeBits; + nSignBits = (int)GET_QUAD_SIGNBITS(val); + AdvanceBitstream(bsi, nCodeBits + nSignBits); + if (nSignBits) { + if (w) { + APPLY_SIGN(w, bitBuf); + bitBuf <<= 1; + } + if (x) { + APPLY_SIGN(x, bitBuf); + bitBuf <<= 1; + } + if (y) { + APPLY_SIGN(y, bitBuf); + bitBuf <<= 1; + } + if (z) { + APPLY_SIGN(z, bitBuf); + bitBuf <<= 1; + } + } + *coef++ = w; + *coef++ = x; + *coef++ = y; + *coef++ = z; + nVals -= 4; + } +} + +/************************************************************************************** + * Function: UnpackPairsNoEsc + * + * Description: decode a section of 2-way vector Huffman coded coefficients, + * using non-esc tables (5 through 10) + * + * Inputs BitStreamInfo struct pointing to start of codewords for this section + * index of Huffman codebook (must not be the escape codebook) + * number of coefficients + * + * Outputs: nVals coefficients, starting at coef + * + * Return: none + * + * Notes: assumes nVals is always a multiple of 2 because all scalefactor bands + * are a multiple of 4 coefficients long + **************************************************************************************/ +static void UnpackPairsNoEsc(BitStreamInfo *bsi, int cb, int nVals, int *coef) +{ + int y, z, maxBits, nCodeBits, nSignBits, val; + unsigned int bitBuf; + + maxBits = huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET].maxBits + 2; + while (nVals > 0) { + /* decode pair */ + bitBuf = GetBitsNoAdvance(bsi, maxBits) << (32 - maxBits); + nCodeBits = DecodeHuffmanScalar(huffTabSpec, &huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET], bitBuf, &val); + + y = GET_PAIR_Y(val); + z = GET_PAIR_Z(val); + + bitBuf <<= nCodeBits; + nSignBits = GET_PAIR_SIGNBITS(val); + AdvanceBitstream(bsi, nCodeBits + nSignBits); + if (nSignBits) { + if (y) { + APPLY_SIGN(y, bitBuf); + bitBuf <<= 1; + } + if (z) { + APPLY_SIGN(z, bitBuf); + bitBuf <<= 1; + } + } + *coef++ = y; + *coef++ = z; + nVals -= 2; + } +} + +/************************************************************************************** + * Function: UnpackPairsEsc + * + * Description: decode a section of 2-way vector Huffman coded coefficients, + * using esc table (11) + * + * Inputs BitStreamInfo struct pointing to start of codewords for this section + * index of Huffman codebook (must be the escape codebook) + * number of coefficients + * + * Outputs: nVals coefficients, starting at coef + * + * Return: none + * + * Notes: assumes nVals is always a multiple of 2 because all scalefactor bands + * are a multiple of 4 coefficients long + **************************************************************************************/ +static void UnpackPairsEsc(BitStreamInfo *bsi, int cb, int nVals, int *coef) +{ + int y, z, maxBits, nCodeBits, nSignBits, n, val; + unsigned int bitBuf; + + maxBits = huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET].maxBits + 2; + while (nVals > 0) { + /* decode pair with escape value */ + bitBuf = GetBitsNoAdvance(bsi, maxBits) << (32 - maxBits); + nCodeBits = DecodeHuffmanScalar(huffTabSpec, &huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET], bitBuf, &val); + + y = GET_ESC_Y(val); + z = GET_ESC_Z(val); + + bitBuf <<= nCodeBits; + nSignBits = GET_ESC_SIGNBITS(val); + AdvanceBitstream(bsi, nCodeBits + nSignBits); + + if (y == 16) { + n = 4; + while (GetBits(bsi, 1) == 1) { + n++; + } + y = (1 << n) + GetBits(bsi, n); + } + if (z == 16) { + n = 4; + while (GetBits(bsi, 1) == 1) { + n++; + } + z = (1 << n) + GetBits(bsi, n); + } + + if (nSignBits) { + if (y) { + APPLY_SIGN(y, bitBuf); + bitBuf <<= 1; + } + if (z) { + APPLY_SIGN(z, bitBuf); + bitBuf <<= 1; + } + } + + *coef++ = y; + *coef++ = z; + nVals -= 2; + } +} + +/************************************************************************************** + * Function: DecodeSpectrumLong + * + * Description: decode transform coefficients for frame with one long block + * + * Inputs: platform specific info struct + * BitStreamInfo struct pointing to start of spectral data + * (14496-3, table 4.4.29) + * index of current channel + * + * Outputs: decoded, quantized coefficients for this channel + * + * Return: none + * + * Notes: adds in pulse data if present + * fills coefficient buffer with zeros in any region not coded with + * codebook in range [1, 11] (including sfb's above sfbMax) + **************************************************************************************/ +void DecodeSpectrumLong(PSInfoBase *psi, BitStreamInfo *bsi, int ch) +{ + int i, sfb, cb, nVals, offset; + const short *sfbTab; + unsigned char *sfbCodeBook; + int *coef; + ICSInfo *icsInfo; + PulseInfo *pi; + + coef = psi->coef[ch]; + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + /* decode long block */ + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + sfbCodeBook = psi->sfbCodeBook[ch]; + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + cb = *sfbCodeBook++; + nVals = sfbTab[sfb + 1] - sfbTab[sfb]; + + if (cb == 0) { + UnpackZeros(nVals, coef); + } else if (cb <= 4) { + UnpackQuads(bsi, cb, nVals, coef); + } else if (cb <= 10) { + UnpackPairsNoEsc(bsi, cb, nVals, coef); + } else if (cb == 11) { + UnpackPairsEsc(bsi, cb, nVals, coef); + } else { + UnpackZeros(nVals, coef); + } + + coef += nVals; + } + + /* fill with zeros above maxSFB */ + nVals = NSAMPS_LONG - sfbTab[sfb]; + UnpackZeros(nVals, coef); + + /* add pulse data, if present */ + pi = &psi->pulseInfo[ch]; + if (pi->pulseDataPresent) { + coef = psi->coef[ch]; + offset = sfbTab[pi->startSFB]; + for (i = 0; i < pi->numPulse; i++) { + offset += pi->offset[i]; + if (coef[offset] > 0) { + coef[offset] += pi->amp[i]; + } else { + coef[offset] -= pi->amp[i]; + } + } + ASSERT(offset < NSAMPS_LONG); + } +} + +/************************************************************************************** + * Function: DecodeSpectrumShort + * + * Description: decode transform coefficients for frame with eight short blocks + * + * Inputs: platform specific info struct + * BitStreamInfo struct pointing to start of spectral data + * (14496-3, table 4.4.29) + * index of current channel + * + * Outputs: decoded, quantized coefficients for this channel + * + * Return: none + * + * Notes: fills coefficient buffer with zeros in any region not coded with + * codebook in range [1, 11] (including sfb's above sfbMax) + * deinterleaves window groups into 8 windows + **************************************************************************************/ +void DecodeSpectrumShort(PSInfoBase *psi, BitStreamInfo *bsi, int ch) +{ + int gp, cb, nVals = 0, win, offset, sfb; + const short *sfbTab; + unsigned char *sfbCodeBook; + int *coef; + ICSInfo *icsInfo; + + coef = psi->coef[ch]; + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + /* decode short blocks, deinterleaving in-place */ + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + sfbCodeBook = psi->sfbCodeBook[ch]; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + nVals = sfbTab[sfb + 1] - sfbTab[sfb]; + cb = *sfbCodeBook++; + + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + offset = win * NSAMPS_SHORT; + if (cb == 0) { + UnpackZeros(nVals, coef + offset); + } else if (cb <= 4) { + UnpackQuads(bsi, cb, nVals, coef + offset); + } else if (cb <= 10) { + UnpackPairsNoEsc(bsi, cb, nVals, coef + offset); + } else if (cb == 11) { + UnpackPairsEsc(bsi, cb, nVals, coef + offset); + } else { + UnpackZeros(nVals, coef + offset); + } + } + coef += nVals; + } + + /* fill with zeros above maxSFB */ + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + offset = win * NSAMPS_SHORT; + nVals = NSAMPS_SHORT - sfbTab[sfb]; + UnpackZeros(nVals, coef + offset); + } + coef += nVals; + coef += (icsInfo->winGroupLen[gp] - 1) * NSAMPS_SHORT; + } + + ASSERT(coef == psi->coef[ch] + NSAMPS_LONG); +} diff --git a/audio_codec/libraac/hufftabs.c b/audio_codec/libraac/hufftabs.c new file mode 100644 index 0000000..e153a61 --- a/dev/null +++ b/audio_codec/libraac/hufftabs.c @@ -0,0 +1,177 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: hufftabs.c,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * hufftabs.c - Huffman symbol tables + **************************************************************************************/ + +#include "coder.h" + +const HuffInfo huffTabSpecInfo[11] = { + /* table 0 not used */ + {11, { 1, 0, 0, 0, 8, 0, 24, 0, 24, 8, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, + { 9, { 0, 0, 1, 1, 7, 24, 15, 19, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 81}, + {16, { 1, 0, 0, 4, 2, 6, 3, 5, 15, 15, 8, 9, 3, 3, 5, 2, 0, 0, 0, 0}, 162}, + {12, { 0, 0, 0, 10, 6, 0, 9, 21, 8, 14, 11, 2, 0, 0, 0, 0, 0, 0, 0, 0}, 243}, + {13, { 1, 0, 0, 4, 4, 0, 4, 12, 12, 12, 18, 10, 4, 0, 0, 0, 0, 0, 0, 0}, 324}, + {11, { 0, 0, 0, 9, 0, 16, 13, 8, 23, 8, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 405}, + {12, { 1, 0, 2, 1, 0, 4, 5, 10, 14, 15, 8, 4, 0, 0, 0, 0, 0, 0, 0, 0}, 486}, + {10, { 0, 0, 1, 5, 7, 10, 14, 15, 8, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 550}, + {15, { 1, 0, 2, 1, 0, 4, 3, 8, 11, 20, 31, 38, 32, 14, 4, 0, 0, 0, 0, 0}, 614}, + {12, { 0, 0, 0, 3, 8, 14, 17, 25, 31, 41, 22, 8, 0, 0, 0, 0, 0, 0, 0, 0}, 783}, + {12, { 0, 0, 0, 2, 6, 7, 16, 59, 55, 95, 43, 6, 0, 0, 0, 0, 0, 0, 0, 0}, 952}, +}; + +const signed short huffTabSpec[1241] = { + /* spectrum table 1 [81] (signed) */ + 0x0000, 0x0200, 0x0e00, 0x0007, 0x0040, 0x0001, 0x0038, 0x0008, 0x01c0, 0x03c0, 0x0e40, 0x0039, 0x0078, 0x01c8, 0x000f, 0x0240, + 0x003f, 0x0fc0, 0x01f8, 0x0238, 0x0047, 0x0e08, 0x0009, 0x0208, 0x01c1, 0x0048, 0x0041, 0x0e38, 0x0201, 0x0e07, 0x0207, 0x0e01, + 0x01c7, 0x0278, 0x0e78, 0x03c8, 0x004f, 0x0079, 0x01c9, 0x01cf, 0x03f8, 0x0239, 0x007f, 0x0e48, 0x0e0f, 0x0fc8, 0x01f9, 0x03c1, + 0x03c7, 0x0e47, 0x0ff8, 0x01ff, 0x0049, 0x020f, 0x0241, 0x0e41, 0x0248, 0x0fc1, 0x0e3f, 0x0247, 0x023f, 0x0e39, 0x0fc7, 0x0e09, + 0x0209, 0x03cf, 0x0e79, 0x0e4f, 0x03f9, 0x0249, 0x0fc9, 0x027f, 0x0fcf, 0x0fff, 0x0279, 0x03c9, 0x0e49, 0x0e7f, 0x0ff9, 0x03ff, + 0x024f, + /* spectrum table 2 [81] (signed) */ + 0x0000, 0x0200, 0x0e00, 0x0001, 0x0038, 0x0007, 0x01c0, 0x0008, 0x0040, 0x01c8, 0x0e40, 0x0078, 0x000f, 0x0047, 0x0039, 0x0e07, + 0x03c0, 0x0238, 0x0fc0, 0x003f, 0x0208, 0x0201, 0x01c1, 0x0e08, 0x0041, 0x01f8, 0x0e01, 0x01c7, 0x0e38, 0x0240, 0x0048, 0x0009, + 0x0207, 0x0079, 0x0239, 0x0e78, 0x01cf, 0x03c8, 0x0247, 0x0209, 0x0e48, 0x01f9, 0x0248, 0x0e0f, 0x0ff8, 0x0e39, 0x03f8, 0x0278, + 0x03c1, 0x0e47, 0x0fc8, 0x0e09, 0x0fc1, 0x0fc7, 0x01ff, 0x020f, 0x023f, 0x007f, 0x0049, 0x0e41, 0x0e3f, 0x004f, 0x03c7, 0x01c9, + 0x0241, 0x03cf, 0x0e79, 0x03f9, 0x0fff, 0x0e4f, 0x0e49, 0x0249, 0x0fcf, 0x03c9, 0x0e7f, 0x0fc9, 0x027f, 0x03ff, 0x0ff9, 0x0279, + 0x024f, + /* spectrum table 3 [81] (unsigned) */ + 0x0000, 0x1200, 0x1001, 0x1040, 0x1008, 0x2240, 0x2009, 0x2048, 0x2041, 0x2208, 0x3049, 0x2201, 0x3248, 0x4249, 0x3209, 0x3241, + 0x1400, 0x1002, 0x200a, 0x2440, 0x3288, 0x2011, 0x3051, 0x2280, 0x304a, 0x3448, 0x1010, 0x2088, 0x2050, 0x1080, 0x2042, 0x2408, + 0x4289, 0x3089, 0x3250, 0x4251, 0x3281, 0x2210, 0x3211, 0x2081, 0x4449, 0x424a, 0x3441, 0x320a, 0x2012, 0x3052, 0x3488, 0x3290, + 0x2202, 0x2401, 0x3091, 0x2480, 0x4291, 0x3242, 0x3409, 0x4252, 0x4489, 0x2090, 0x308a, 0x3212, 0x3481, 0x3450, 0x3490, 0x3092, + 0x4491, 0x4451, 0x428a, 0x4292, 0x2082, 0x2410, 0x3282, 0x3411, 0x444a, 0x3442, 0x4492, 0x448a, 0x4452, 0x340a, 0x2402, 0x3482, + 0x3412, + /* spectrum table 4 [81] (unsigned) */ + 0x4249, 0x3049, 0x3241, 0x3248, 0x3209, 0x1200, 0x2240, 0x0000, 0x2009, 0x2208, 0x2201, 0x2048, 0x1001, 0x2041, 0x1008, 0x1040, + 0x4449, 0x4251, 0x4289, 0x424a, 0x3448, 0x3441, 0x3288, 0x3409, 0x3051, 0x304a, 0x3250, 0x3089, 0x320a, 0x3281, 0x3242, 0x3211, + 0x2440, 0x2408, 0x2280, 0x2401, 0x2042, 0x2088, 0x200a, 0x2050, 0x2081, 0x2202, 0x2011, 0x2210, 0x1400, 0x1002, 0x1080, 0x1010, + 0x4291, 0x4489, 0x4451, 0x4252, 0x428a, 0x444a, 0x3290, 0x3488, 0x3450, 0x3091, 0x3052, 0x3481, 0x308a, 0x3411, 0x3212, 0x4491, + 0x3282, 0x340a, 0x3442, 0x4292, 0x4452, 0x448a, 0x2090, 0x2480, 0x2012, 0x2410, 0x2082, 0x2402, 0x4492, 0x3092, 0x3490, 0x3482, + 0x3412, + /* spectrum table 5 [81] (signed) */ + 0x0000, 0x03e0, 0x0020, 0x0001, 0x001f, 0x003f, 0x03e1, 0x03ff, 0x0021, 0x03c0, 0x0002, 0x0040, 0x001e, 0x03df, 0x0041, 0x03fe, + 0x0022, 0x03c1, 0x005f, 0x03e2, 0x003e, 0x03a0, 0x0060, 0x001d, 0x0003, 0x03bf, 0x0023, 0x0061, 0x03fd, 0x03a1, 0x007f, 0x003d, + 0x03e3, 0x03c2, 0x0042, 0x03de, 0x005e, 0x03be, 0x007e, 0x03c3, 0x005d, 0x0062, 0x0043, 0x03a2, 0x03dd, 0x001c, 0x0380, 0x0081, + 0x0080, 0x039f, 0x0004, 0x009f, 0x03fc, 0x0024, 0x03e4, 0x0381, 0x003c, 0x007d, 0x03bd, 0x03a3, 0x03c4, 0x039e, 0x0082, 0x005c, + 0x0044, 0x0063, 0x0382, 0x03dc, 0x009e, 0x007c, 0x039d, 0x0383, 0x0064, 0x03a4, 0x0083, 0x009d, 0x03bc, 0x009c, 0x0384, 0x0084, + 0x039c, + /* spectrum table 6 [81] (signed) */ + 0x0000, 0x0020, 0x001f, 0x0001, 0x03e0, 0x0021, 0x03e1, 0x003f, 0x03ff, 0x005f, 0x0041, 0x03c1, 0x03df, 0x03c0, 0x03e2, 0x0040, + 0x003e, 0x0022, 0x001e, 0x03fe, 0x0002, 0x005e, 0x03c2, 0x03de, 0x0042, 0x03a1, 0x0061, 0x007f, 0x03e3, 0x03bf, 0x0023, 0x003d, + 0x03fd, 0x0060, 0x03a0, 0x001d, 0x0003, 0x0062, 0x03be, 0x03c3, 0x0043, 0x007e, 0x005d, 0x03dd, 0x03a2, 0x0063, 0x007d, 0x03bd, + 0x03a3, 0x003c, 0x03fc, 0x0081, 0x0381, 0x039f, 0x0024, 0x009f, 0x03e4, 0x001c, 0x0382, 0x039e, 0x0044, 0x03dc, 0x0380, 0x0082, + 0x009e, 0x03c4, 0x0080, 0x005c, 0x0004, 0x03bc, 0x03a4, 0x007c, 0x009d, 0x0064, 0x0083, 0x0383, 0x039d, 0x0084, 0x0384, 0x039c, + 0x009c, + /* spectrum table 7 [64] (unsigned) */ + 0x0000, 0x0420, 0x0401, 0x0821, 0x0841, 0x0822, 0x0440, 0x0402, 0x0861, 0x0823, 0x0842, 0x0460, 0x0403, 0x0843, 0x0862, 0x0824, + 0x0881, 0x0825, 0x08a1, 0x0863, 0x0844, 0x0404, 0x0480, 0x0882, 0x0845, 0x08a2, 0x0405, 0x08c1, 0x04a0, 0x0826, 0x0883, 0x0865, + 0x0864, 0x08a3, 0x0846, 0x08c2, 0x0827, 0x0866, 0x0406, 0x04c0, 0x0884, 0x08e1, 0x0885, 0x08e2, 0x08a4, 0x08c3, 0x0847, 0x08e3, + 0x08c4, 0x08a5, 0x0886, 0x0867, 0x04e0, 0x0407, 0x08c5, 0x08a6, 0x08e4, 0x0887, 0x08a7, 0x08e5, 0x08e6, 0x08c6, 0x08c7, 0x08e7, + /* spectrum table 8 [64] (unsigned) */ + 0x0821, 0x0841, 0x0420, 0x0822, 0x0401, 0x0842, 0x0000, 0x0440, 0x0402, 0x0861, 0x0823, 0x0862, 0x0843, 0x0863, 0x0881, 0x0824, + 0x0882, 0x0844, 0x0460, 0x0403, 0x0883, 0x0864, 0x08a2, 0x08a1, 0x0845, 0x0825, 0x08a3, 0x0865, 0x0884, 0x08a4, 0x0404, 0x0885, + 0x0480, 0x0846, 0x08c2, 0x08c1, 0x0826, 0x0866, 0x08c3, 0x08a5, 0x04a0, 0x08c4, 0x0405, 0x0886, 0x08e1, 0x08e2, 0x0847, 0x08c5, + 0x08e3, 0x0827, 0x08a6, 0x0867, 0x08c6, 0x08e4, 0x04c0, 0x0887, 0x0406, 0x08e5, 0x08e6, 0x08c7, 0x08a7, 0x04e0, 0x0407, 0x08e7, + /* spectrum table 9 [169] (unsigned) */ + 0x0000, 0x0420, 0x0401, 0x0821, 0x0841, 0x0822, 0x0440, 0x0402, 0x0861, 0x0842, 0x0823, 0x0460, 0x0403, 0x0843, 0x0862, 0x0824, + 0x0881, 0x0844, 0x0825, 0x0882, 0x0863, 0x0404, 0x0480, 0x08a1, 0x0845, 0x0826, 0x0864, 0x08a2, 0x08c1, 0x0883, 0x0405, 0x0846, + 0x04a0, 0x0827, 0x0865, 0x0828, 0x0901, 0x0884, 0x08a3, 0x08c2, 0x08e1, 0x0406, 0x0902, 0x0848, 0x0866, 0x0847, 0x0885, 0x0921, + 0x0829, 0x08e2, 0x04c0, 0x08a4, 0x08c3, 0x0903, 0x0407, 0x0922, 0x0868, 0x0886, 0x0867, 0x0408, 0x0941, 0x08c4, 0x0849, 0x08a5, + 0x0500, 0x04e0, 0x08e3, 0x0942, 0x0923, 0x0904, 0x082a, 0x08e4, 0x08c5, 0x08a6, 0x0888, 0x0887, 0x0869, 0x0961, 0x08a8, 0x0520, + 0x0905, 0x0943, 0x084a, 0x0409, 0x0962, 0x0924, 0x08c6, 0x0981, 0x0889, 0x0906, 0x082b, 0x0925, 0x0944, 0x08a7, 0x08e5, 0x084b, + 0x082c, 0x0982, 0x0963, 0x086a, 0x08a9, 0x08c7, 0x0907, 0x0964, 0x040a, 0x08e6, 0x0983, 0x0540, 0x0945, 0x088a, 0x08c8, 0x084c, + 0x0926, 0x0927, 0x088b, 0x0560, 0x08c9, 0x086b, 0x08aa, 0x0908, 0x08e8, 0x0985, 0x086c, 0x0965, 0x08e7, 0x0984, 0x0966, 0x0946, + 0x088c, 0x08e9, 0x08ab, 0x040b, 0x0986, 0x08ca, 0x0580, 0x0947, 0x08ac, 0x08ea, 0x0928, 0x040c, 0x0967, 0x0909, 0x0929, 0x0948, + 0x08eb, 0x0987, 0x08cb, 0x090b, 0x0968, 0x08ec, 0x08cc, 0x090a, 0x0949, 0x090c, 0x092a, 0x092b, 0x092c, 0x094b, 0x0989, 0x094a, + 0x0969, 0x0988, 0x096a, 0x098a, 0x098b, 0x094c, 0x096b, 0x096c, 0x098c, + /* spectrum table 10 [169] (unsigned) */ + 0x0821, 0x0822, 0x0841, 0x0842, 0x0420, 0x0401, 0x0823, 0x0862, 0x0861, 0x0843, 0x0863, 0x0440, 0x0402, 0x0844, 0x0882, 0x0824, + 0x0881, 0x0000, 0x0883, 0x0864, 0x0460, 0x0403, 0x0884, 0x0845, 0x08a2, 0x0825, 0x08a1, 0x08a3, 0x0865, 0x08a4, 0x0885, 0x08c2, + 0x0846, 0x08c3, 0x0480, 0x08c1, 0x0404, 0x0826, 0x0866, 0x08a5, 0x08c4, 0x0886, 0x08c5, 0x08e2, 0x0867, 0x0847, 0x08a6, 0x0902, + 0x08e3, 0x04a0, 0x08e1, 0x0405, 0x0901, 0x0827, 0x0903, 0x08e4, 0x0887, 0x0848, 0x08c6, 0x08e5, 0x0828, 0x0868, 0x0904, 0x0888, + 0x08a7, 0x0905, 0x08a8, 0x08e6, 0x08c7, 0x0922, 0x04c0, 0x08c8, 0x0923, 0x0869, 0x0921, 0x0849, 0x0406, 0x0906, 0x0924, 0x0889, + 0x0942, 0x0829, 0x08e7, 0x0907, 0x0925, 0x08e8, 0x0943, 0x08a9, 0x0944, 0x084a, 0x0941, 0x086a, 0x0926, 0x08c9, 0x0500, 0x088a, + 0x04e0, 0x0962, 0x08e9, 0x0963, 0x0946, 0x082a, 0x0961, 0x0927, 0x0407, 0x0908, 0x0945, 0x086b, 0x08aa, 0x0909, 0x0965, 0x0408, + 0x0964, 0x084b, 0x08ea, 0x08ca, 0x0947, 0x088b, 0x082b, 0x0982, 0x0928, 0x0983, 0x0966, 0x08ab, 0x0984, 0x0967, 0x0985, 0x086c, + 0x08cb, 0x0520, 0x0948, 0x0540, 0x0981, 0x0409, 0x088c, 0x0929, 0x0986, 0x084c, 0x090a, 0x092a, 0x082c, 0x0968, 0x0987, 0x08eb, + 0x08ac, 0x08cc, 0x0949, 0x090b, 0x0988, 0x040a, 0x08ec, 0x0560, 0x094a, 0x0969, 0x096a, 0x040b, 0x096b, 0x092b, 0x094b, 0x0580, + 0x090c, 0x0989, 0x094c, 0x092c, 0x096c, 0x098b, 0x040c, 0x098a, 0x098c, + /* spectrum table 11 [289] (unsigned) */ + 0x0000, 0x2041, 0x2410, 0x1040, 0x1001, 0x2081, 0x2042, 0x2082, 0x2043, 0x20c1, 0x20c2, 0x1080, 0x2083, 0x1002, 0x20c3, 0x2101, + 0x2044, 0x2102, 0x2084, 0x2103, 0x20c4, 0x10c0, 0x1003, 0x2141, 0x2142, 0x2085, 0x2104, 0x2045, 0x2143, 0x20c5, 0x2144, 0x2105, + 0x2182, 0x2086, 0x2181, 0x2183, 0x20c6, 0x2046, 0x2110, 0x20d0, 0x2405, 0x2403, 0x2404, 0x2184, 0x2406, 0x1100, 0x2106, 0x1004, + 0x2090, 0x2145, 0x2150, 0x2407, 0x2402, 0x2408, 0x2087, 0x21c2, 0x20c7, 0x2185, 0x2146, 0x2190, 0x240a, 0x21c3, 0x21c1, 0x2409, + 0x21d0, 0x2050, 0x2047, 0x2107, 0x240b, 0x21c4, 0x240c, 0x2210, 0x2401, 0x2186, 0x2250, 0x2088, 0x2147, 0x2290, 0x240d, 0x2203, + 0x2202, 0x20c8, 0x1140, 0x240e, 0x22d0, 0x21c5, 0x2108, 0x2187, 0x21c6, 0x1005, 0x2204, 0x240f, 0x2310, 0x2048, 0x2201, 0x2390, + 0x2148, 0x2350, 0x20c9, 0x2205, 0x21c7, 0x2089, 0x2206, 0x2242, 0x2243, 0x23d0, 0x2109, 0x2188, 0x1180, 0x2244, 0x2149, 0x2207, + 0x21c8, 0x2049, 0x2283, 0x1006, 0x2282, 0x2241, 0x2245, 0x210a, 0x208a, 0x2246, 0x20ca, 0x2189, 0x2284, 0x2208, 0x2285, 0x2247, + 0x22c3, 0x204a, 0x11c0, 0x2286, 0x21c9, 0x20cb, 0x214a, 0x2281, 0x210b, 0x22c2, 0x2342, 0x218a, 0x2343, 0x208b, 0x1400, 0x214b, + 0x22c5, 0x22c4, 0x2248, 0x21ca, 0x2209, 0x1010, 0x210d, 0x1007, 0x20cd, 0x22c6, 0x2341, 0x2344, 0x2303, 0x208d, 0x2345, 0x220a, + 0x218b, 0x2288, 0x2287, 0x2382, 0x2304, 0x204b, 0x210c, 0x22c1, 0x20cc, 0x204d, 0x2302, 0x21cb, 0x20ce, 0x214c, 0x214d, 0x2384, + 0x210e, 0x22c7, 0x2383, 0x2305, 0x2346, 0x2306, 0x1200, 0x22c8, 0x208c, 0x2249, 0x2385, 0x218d, 0x228a, 0x23c2, 0x220b, 0x224a, + 0x2386, 0x2289, 0x214e, 0x22c9, 0x2381, 0x208e, 0x218c, 0x204c, 0x2348, 0x1008, 0x2347, 0x21cc, 0x2307, 0x21cd, 0x23c3, 0x2301, + 0x218e, 0x208f, 0x23c5, 0x23c4, 0x204e, 0x224b, 0x210f, 0x2387, 0x220d, 0x2349, 0x220c, 0x214f, 0x20cf, 0x228b, 0x22ca, 0x2308, + 0x23c6, 0x23c7, 0x220e, 0x23c1, 0x21ce, 0x1240, 0x1009, 0x224d, 0x224c, 0x2309, 0x2388, 0x228d, 0x2389, 0x230a, 0x218f, 0x21cf, + 0x224e, 0x23c8, 0x22cb, 0x22ce, 0x204f, 0x228c, 0x228e, 0x234b, 0x234a, 0x22cd, 0x22cc, 0x220f, 0x238b, 0x234c, 0x230d, 0x23c9, + 0x238a, 0x1280, 0x230b, 0x224f, 0x100a, 0x230c, 0x12c0, 0x230e, 0x228f, 0x234d, 0x100d, 0x238c, 0x23ca, 0x23cb, 0x22cf, 0x238d, + 0x1340, 0x100b, 0x234e, 0x23cc, 0x23cd, 0x230f, 0x1380, 0x238e, 0x234f, 0x1300, 0x238f, 0x100e, 0x100c, 0x23ce, 0x13c0, 0x100f, + 0x23cf, +}; + +const HuffInfo huffTabScaleFactInfo = +{19, { 1, 0, 1, 3, 2, 4, 3, 5, 4, 6, 6, 6, 5, 8, 4, 7, 3, 7, 46, 0}, 0}; + +/* note - includes offset of -60 (4.6.2.3 in spec) */ +const signed short huffTabScaleFact[121] = { + /* scale factor table [121] */ + 0, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, 6, -6, 7, -7, 8, + -8, 9, -9, 10, -10, -11, 11, 12, -12, 13, -13, 14, -14, 16, 15, 17, + 18, -15, -17, -16, 19, -18, -19, 20, -20, 21, -21, 22, -22, 23, -23, -25, + 25, -27, -24, -26, 24, -28, 27, 29, -30, -29, 26, -31, -34, -33, -32, -36, + 28, -35, -38, -37, 30, -39, -41, -57, -59, -58, -60, 38, 39, 40, 41, 42, + 57, 37, 31, 32, 33, 34, 35, 36, 44, 51, 52, 53, 54, 55, 56, 50, + 45, 46, 47, 48, 49, 58, -54, -52, -51, -50, -55, 43, 60, 59, -56, -53, + -45, -44, -42, -40, -43, -49, -48, -46, -47, +}; + diff --git a/audio_codec/libraac/imdct.c b/audio_codec/libraac/imdct.c new file mode 100644 index 0000000..4eb4f0b --- a/dev/null +++ b/audio_codec/libraac/imdct.c @@ -0,0 +1,598 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: imdct.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * imdct.c - inverse MDCT + **************************************************************************************/ + +#include "coder.h" + +#include "assembly.h" + +#include "aacdec.h" + +#define RND_VAL (1 << (FBITS_OUT_IMDCT-1)) + +#ifndef AAC_ENABLE_SBR + +/************************************************************************************** + * Function: DecWindowOverlap + * + * Description: apply synthesis window, do overlap-add, clip to 16-bit PCM, + * for winSequence LONG-LONG + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * number of channels + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 16-bit PCM, interleaved by nChans + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + * this should fit in registers on ARM + * + * TODO: ARM5E version with saturating overlap/add (QADD) + * asm code with free pointer updates, better load scheduling + **************************************************************************************/ +static void DecWindowOverlap(int *buf0, int *over0, short *pcm0, int nChans, int winTypeCurr, int winTypePrev) +{ + int in, w0, w1, f0, f1; + int *buf1, *over1; + short *pcm1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + pcm1 = pcm0 + (1024 - 1) * nChans; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + if (winTypeCurr == winTypePrev) { + /* cut window loads in half since current and overlap sections use same symmetric window */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } else { + /* different windows for current and overlap parts - should still fit in registers on ARM w/o stack spill */ + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } +} + +/************************************************************************************** + * Function: DecWindowOverlapLongStart + * + * Description: apply synthesis window, do overlap-add, clip to 16-bit PCM, + * for winSequence LONG-START + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * number of channels + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 16-bit PCM, interleaved by nChans + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + * this should fit in registers on ARM + * + * TODO: ARM5E version with saturating overlap/add (QADD) + * asm code with free pointer updates, better load scheduling + **************************************************************************************/ +static void DecWindowOverlapLongStart(int *buf0, int *over0, short *pcm0, int nChans, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1; + short *pcm1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + pcm1 = pcm0 + (1024 - 1) * nChans; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + i = 448; /* 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + in = *buf1--; + + *over1-- = 0; /* Wn = 0 for n = (2047, 2046, ... 1600) */ + *over0++ = in >> 1; /* Wn = 1 for n = (1024, 1025, ... 1471) */ + } while (--i); + + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + + /* do 64 more loops - 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; /* W[0], W[1], ... --> W[255], W[254], ... */ + w1 = *wndCurr++; /* W[127], W[126], ... --> W[128], W[129], ... */ + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); /* Wn = short window for n = (1599, 1598, ... , 1536) */ + *over0++ = MULSHIFT32(w1, in); /* Wn = short window for n = (1472, 1473, ... , 1535) */ + } while (over0 < over1); +} + +/************************************************************************************** + * Function: DecWindowOverlapLongStop + * + * Description: apply synthesis window, do overlap-add, clip to 16-bit PCM, + * for winSequence LONG-STOP + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * number of channels + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 16-bit PCM, interleaved by nChans + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + * this should fit in registers on ARM + * + * TODO: ARM5E version with saturating overlap/add (QADD) + * asm code with free pointer updates, better load scheduling + **************************************************************************************/ +static void DecWindowOverlapLongStop(int *buf0, int *over0, short *pcm0, int nChans, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1; + short *pcm1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + pcm1 = pcm0 + (1024 - 1) * nChans; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + + i = 448; /* 2 outputs, 2 overlaps per loop */ + do { + /* Wn = 0 for n = (0, 1, ... 447) */ + /* Wn = 1 for n = (576, 577, ... 1023) */ + in = *buf0++; + f1 = in >> 1; /* scale since skipping multiply by Q31 */ + + in = *over0; + *pcm0 = CLIPTOSHORT((in + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (--i); + + /* do 64 more loops - 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; /* W[0], W[1], ...W[63] */ + w1 = *wndPrev++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); +} + +/************************************************************************************** + * Function: DecWindowOverlapShort + * + * Description: apply synthesis window, do overlap-add, clip to 16-bit PCM, + * for winSequence EIGHT-SHORT (does all 8 short blocks) + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * number of channels + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 16-bit PCM, interleaved by nChans + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + * this should fit in registers on ARM + * + * TODO: ARM5E version with saturating overlap/add (QADD) + * asm code with free pointer updates, better load scheduling + **************************************************************************************/ +static void DecWindowOverlapShort(int *buf0, int *over0, short *pcm0, int nChans, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1; + short *pcm1; + const int *wndPrev, *wndCurr; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + + /* pcm[0-447] = 0 + overlap[0-447] */ + i = 448; + do { + f0 = *over0++; + f1 = *over0++; + *pcm0 = CLIPTOSHORT((f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + *pcm0 = CLIPTOSHORT((f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + i -= 2; + } while (i); + + /* pcm[448-575] = Wp[0-127] * block0[0-127] + overlap[448-575] */ + pcm1 = pcm0 + (128 - 1) * nChans; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + do { + w0 = *wndPrev++; /* W[0], W[1], ...W[63] */ + w1 = *wndPrev++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + /* save over0/over1 for next short block, in the slots just vacated */ + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + + /* pcm[576-703] = Wc[128-255] * block0[128-255] + Wc[0-127] * block1[0-127] + overlap[576-703] + * pcm[704-831] = Wc[128-255] * block1[128-255] + Wc[0-127] * block2[0-127] + overlap[704-831] + * pcm[832-959] = Wc[128-255] * block2[128-255] + Wc[0-127] * block3[0-127] + overlap[832-959] + */ + for (i = 0; i < 3; i++) { + pcm0 += 64 * nChans; + pcm1 = pcm0 + (128 - 1) * nChans; + over0 += 64; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *(over0 - 128); /* from last short block */ + in += *(over0 + 0); /* from last full frame */ + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *(over1 - 128); /* from last short block */ + in += *(over1 + 0); /* from last full frame */ + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + /* save over0/over1 for next short block, in the slots just vacated */ + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } + + /* pcm[960-1023] = Wc[128-191] * block3[128-191] + Wc[0-63] * block4[0-63] + overlap[960-1023] + * over[0-63] = Wc[192-255] * block3[192-255] + Wc[64-127] * block4[64-127] + */ + pcm0 += 64 * nChans; + over0 -= 832; /* points at overlap[64] */ + over1 = over0 + 128 - 1; /* points at overlap[191] */ + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *(over0 + 768); /* from last short block */ + in += *(over0 + 896); /* from last full frame */ + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *(over1 + 768); /* from last short block */ + *(over1 - 128) = in + f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); /* save in overlap[128-191] */ + *over0++ = MULSHIFT32(w1, in); /* save in overlap[64-127] */ + } while (over0 < over1); + + /* over0 now points at overlap[128] */ + + /* over[64-191] = Wc[128-255] * block4[128-255] + Wc[0-127] * block5[0-127] + * over[192-319] = Wc[128-255] * block5[128-255] + Wc[0-127] * block6[0-127] + * over[320-447] = Wc[128-255] * block6[128-255] + Wc[0-127] * block7[0-127] + * over[448-576] = Wc[128-255] * block7[128-255] + */ + for (i = 0; i < 3; i++) { + over0 += 64; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + /* from last short block */ + *(over0 - 128) -= f0; + *(over1 - 128) += f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } + + /* over[576-1024] = 0 */ + i = 448; + over0 += 64; + do { + *over0++ = 0; + *over0++ = 0; + *over0++ = 0; + *over0++ = 0; + i -= 4; + } while (i); +} + +#endif /* !AAC_ENABLE_SBR */ + +/************************************************************************************** + * Function: IMDCT + * + * Description: inverse transform and convert to 16-bit PCM + * + * Inputs: valid AACDecInfo struct + * index of current channel (0 for SCE/LFE, 0 or 1 for CPE) + * output channel (range = [0, nChans-1]) + * + * Outputs: complete frame of decoded PCM, after inverse transform + * + * Return: 0 if successful, -1 if error + * + * Notes: If AAC_ENABLE_SBR is defined at compile time then window + overlap + * does NOT clip to 16-bit PCM and does NOT interleave channels + * If AAC_ENABLE_SBR is NOT defined at compile time, then window + overlap + * does clip to 16-bit PCM and interleaves channels + * If SBR is enabled at compile time, but we don't know whether it is + * actually used for this frame (e.g. the first frame of a stream), + * we need to produce both clipped 16-bit PCM in outbuf AND + * unclipped 32-bit PCM in the SBR input buffer. In this case we make + * a separate pass over the 32-bit PCM to produce 16-bit PCM output. + * This inflicts a slight performance hit when decoding non-SBR files. + **************************************************************************************/ +int IMDCT(AACDecInfo *aacDecInfo, int ch, int chOut, short *outbuf) +{ + int i; + PSInfoBase *psi; + ICSInfo *icsInfo; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + outbuf += chOut; + + /* optimized type-IV DCT (operates inplace) */ + if (icsInfo->winSequence == 2) { + /* 8 short blocks */ + for (i = 0; i < 8; i++) { + DCT4(0, psi->coef[ch] + i * 128, psi->gbCurrent[ch]); + } + } else { + /* 1 long block */ + DCT4(1, psi->coef[ch], psi->gbCurrent[ch]); + } + +#ifdef AAC_ENABLE_SBR + /* window, overlap-add, don't clip to short (send to SBR decoder) + * store the decoded 32-bit samples in top half (second AAC_MAX_NSAMPS samples) of coef buffer + */ + if (icsInfo->winSequence == 0) { + DecWindowOverlapNoClip(psi->coef[ch], psi->overlap[chOut], psi->sbrWorkBuf[ch], icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 1) { + DecWindowOverlapLongStartNoClip(psi->coef[ch], psi->overlap[chOut], psi->sbrWorkBuf[ch], icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 2) { + DecWindowOverlapShortNoClip(psi->coef[ch], psi->overlap[chOut], psi->sbrWorkBuf[ch], icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 3) { + DecWindowOverlapLongStopNoClip(psi->coef[ch], psi->overlap[chOut], psi->sbrWorkBuf[ch], icsInfo->winShape, psi->prevWinShape[chOut]); + } + + if (!aacDecInfo->sbrEnabled) { + for (i = 0; i < AAC_MAX_NSAMPS; i++) { + *outbuf = CLIPTOSHORT((psi->sbrWorkBuf[ch][i] + RND_VAL) >> FBITS_OUT_IMDCT); + outbuf += aacDecInfo->nChans; + } + } + + aacDecInfo->rawSampleBuf[ch] = psi->sbrWorkBuf[ch]; + aacDecInfo->rawSampleBytes = sizeof(int); + aacDecInfo->rawSampleFBits = FBITS_OUT_IMDCT; +#else + /* window, overlap-add, round to PCM - optimized for each window sequence */ + if (icsInfo->winSequence == 0) { + DecWindowOverlap(psi->coef[ch], psi->overlap[chOut], outbuf, aacDecInfo->nChans, icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 1) { + DecWindowOverlapLongStart(psi->coef[ch], psi->overlap[chOut], outbuf, aacDecInfo->nChans, icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 2) { + DecWindowOverlapShort(psi->coef[ch], psi->overlap[chOut], outbuf, aacDecInfo->nChans, icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 3) { + DecWindowOverlapLongStop(psi->coef[ch], psi->overlap[chOut], outbuf, aacDecInfo->nChans, icsInfo->winShape, psi->prevWinShape[chOut]); + } + + aacDecInfo->rawSampleBuf[ch] = 0; + aacDecInfo->rawSampleBytes = 0; + aacDecInfo->rawSampleFBits = 0; +#endif + + psi->prevWinShape[chOut] = icsInfo->winShape; + + return 0; +} diff --git a/audio_codec/libraac/include/challenge.h b/audio_codec/libraac/include/challenge.h new file mode 100644 index 0000000..3f9540f --- a/dev/null +++ b/audio_codec/libraac/include/challenge.h @@ -0,0 +1,132 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: challenge.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef _CHALLENGE_H_ +#define _CHALLENGE_H_ + +#include "helix_types.h" +#include "helix_utils.h" +#include "rm_memory.h" + + + +/* + * The original Challange structure and methods. Used in the + * Old PNA and as the first round in the new RTSP Challenge. + */ +struct Challenge { + BYTE text[33]; + BYTE response[33]; +}; + +struct Challenge* CreateChallenge(INT32 k1, + INT32 k2, + BYTE* k3, + BYTE* k4); + +struct Challenge* CreateChallengeFromPool(INT32 k1, + INT32 k2, + BYTE* k3, + BYTE* k4, + rm_malloc_func_ptr fpMalloc, + void* pMemoryPool); + +BYTE* ChallengeResponse1(BYTE* k1, BYTE* k2, + INT32 k3, INT32 k4, + struct Challenge* ch); +BYTE* ChallengeResponse2(BYTE* k1, BYTE* k2, + INT32 k3, INT32 k4, + struct Challenge* ch); + + + +/* + * The new RTSP Challenge structure and methods + */ +struct RealChallenge { + BYTE challenge[33]; + BYTE response[41]; + BYTE trap[9]; +}; + + +struct RealChallenge* CreateRealChallenge(); +struct RealChallenge* CreateRealChallengeFromPool(rm_malloc_func_ptr fpMalloc, + void* pMemoryPool); +BYTE* RealChallengeResponse1(BYTE* k1, BYTE* k2, + INT32 k3, INT32 k4, + struct RealChallenge* rch); +BYTE* RealChallengeResponse2(BYTE* k1, BYTE* k2, + INT32 k3, INT32 k4, + struct RealChallenge* rch); + + +void CalcCompanyIDKey(const char* companyID, + const char* starttime, + const char* guid, + const char* challenge, + const char* copyright, + UCHAR* outputKey); + +INT32 BinTo64(const BYTE* pInBuf, INT32 len, char* pOutBuf); + + +/* Support constants and values */ +extern const INT32 G2_BETA_EXPIRATION; + +extern const INT32 RC_MAGIC1; +extern const INT32 RC_MAGIC2; +extern const INT32 RC_MAGIC3; +extern const INT32 RC_MAGIC4; + +extern const unsigned char pRCMagic1[]; +extern const unsigned char pRCMagic2[]; + + +// This UUID was added in the 5.0 player to allow us to identify +// players from Progressive Networks. Other companies licensing this +// code must be assigned a different UUID. +#define HX_COMPANY_ID "92c4d14a-fa51-4bcb-8a67-7ac286f0ff7e" +#define HX_COMPANY_ID_KEY_SIZE 16 + + +extern const unsigned char HX_MAGIC_TXT_1[]; +extern const char pMagic2[]; + + + +#endif /*_CHALLENGE_H_*/ diff --git a/audio_codec/libraac/include/codec_defines.h b/audio_codec/libraac/include/codec_defines.h new file mode 100644 index 0000000..c143a75 --- a/dev/null +++ b/audio_codec/libraac/include/codec_defines.h @@ -0,0 +1,93 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: codec_defines.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef CODEC_DEFINES_H +#define CODEC_DEFINES_H + +/* Audio codec defines */ +#define RA_FORMAT_ID 0x2E7261FD /* RealAudio Stream */ +#define RA_NO_INTERLEAVER 0x496E7430 /* 'Int0' (no interleaver) */ +#define RA_INTERLEAVER_SIPR 0x73697072 /* interleaver used for SIPRO codec ("sipr") */ +#define RA_INTERLEAVER_GENR 0x67656E72 /* interleaver used for ra8lbr and ra8hbr codecs ("genr") */ +#define RA_INTERLEAVER_VBRS 0x76627273 /* Simple VBR interleaver ("vbrs") */ +#define RA_INTERLEAVER_VBRF 0x76627266 /* Simple VBR interleaver (with possibly fragmenting) ("vbrf") */ + +/* Video codec defines */ +#define HX_MEDIA_AUDIO 0x4155444FL /* 'AUDO' */ +#define HX_MEDIA_VIDEO 0x5649444FL /* 'VIDO' */ + +#define HX_RVTRVIDEO_ID 0x52565452 /* 'RVTR' (for rv20 codec) */ +#define HX_RVTR_RV30_ID 0x52565432 /* 'RVT2' (for rv30 codec) */ +#define HX_RV20VIDEO_ID 0x52563230 /* 'RV20' */ +#define HX_RV30VIDEO_ID 0x52563330 /* 'RV30' */ +#define HX_RV40VIDEO_ID 0x52563430 /* 'RV40' */ +#define HX_RVG2VIDEO_ID 0x52564732 /* 'RVG2' (raw TCK format) */ +#define HX_RV89COMBO_ID 0x54524F4D /* 'TROM' (raw TCK format) */ + +#define RV20_MAJOR_BITSTREAM_VERSION 2 + +#define RV30_MAJOR_BITSTREAM_VERSION 3 +#define RV30_BITSTREAM_VERSION 2 +#define RV30_PRODUCT_RELEASE 0 +#define RV30_FRONTEND_VERSION 2 + +#define RV40_MAJOR_BITSTREAM_VERSION 4 +#define RV40_BITSTREAM_VERSION 0 +#define RV40_PRODUCT_RELEASE 2 +#define RV40_FRONTEND_VERSION 0 + +#define RAW_BITSTREAM_MINOR_VERSION 128 + +#define RAW_RVG2_MAJOR_VERSION 2 +#define RAW_RVG2_BITSTREAM_VERSION RAW_BITSTREAM_MINOR_VERSION +#define RAW_RVG2_PRODUCT_RELEASE 0 +#define RAW_RVG2_FRONTEND_VERSION 0 + +#define RAW_RV8_MAJOR_VERSION 3 +#define RAW_RV8_BITSTREAM_VERSION RAW_BITSTREAM_MINOR_VERSION +#define RAW_RV8_PRODUCT_RELEASE 0 +#define RAW_RV8_FRONTEND_VERSION 0 + +#define RAW_RV9_MAJOR_VERSION 4 +#define RAW_RV9_BITSTREAM_VERSION RAW_BITSTREAM_MINOR_VERSION +#define RAW_RV9_PRODUCT_RELEASE 0 +#define RAW_RV9_FRONTEND_VERSION 0 + +#define WIDTHBYTES(i) ((unsigned long)((i+31)&(~31))/8) /* ULONG aligned ! */ +#define T_YUV420 10 + +#endif /* #ifndef CODEC_DEFINES_H */ diff --git a/audio_codec/libraac/include/gecko2codec.h b/audio_codec/libraac/include/gecko2codec.h new file mode 100644 index 0000000..0eda1f0 --- a/dev/null +++ b/audio_codec/libraac/include/gecko2codec.h @@ -0,0 +1,60 @@ +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * gecko2codec.h - public C API for Gecko2 decoder + **************************************************************************************/ + +#ifndef _GECKO2CODEC_H +#define _GECKO2CODEC_H + +//#include "includes.h" +#define _ARC32 + +#if defined(_WIN32) && !defined(_WIN32_WCE) + +#elif defined(_WIN32) && defined(_WIN32_WCE) && defined(ARM) + +#elif defined(_WIN32) && defined(WINCE_EMULATOR) + +#elif defined(ARM_ADS) + +#elif defined(_SYMBIAN) && defined(__WINS__) + +#elif defined(__GNUC__) && defined(ARM) + +#elif defined(__GNUC__) && defined(__i386__) + +#elif defined(_OPENWAVE) + +#elif defined(_ARC32) + +#else +#error No platform defined. See valid options in gecko2codec.h. +#endif + +#ifdef __cplusplus +extern "C" { +#endif + + typedef void *HGecko2Decoder; + + enum { + ERR_GECKO2_NONE = 0, + ERR_GECKO2_INVALID_SIDEINFO = -1, + + ERR_UNKNOWN = -9999 + }; + + /* public API */ + HGecko2Decoder Gecko2InitDecoder(int nSamples, int nChannels, int nRegions, int nFrameBits, int sampRate, int cplStart, int cplQbits, int *codingDelay); + void Gecko2FreeDecoder(HGecko2Decoder hGecko2Decoder); + int Gecko2Decode(HGecko2Decoder hGecko2Decoder, unsigned char *codebuf, int lostflag, short *outbuf, unsigned timestamp); + +#ifdef __cplusplus +} +#endif + +#endif /* _GECKO2CODEC_H */ + diff --git a/audio_codec/libraac/include/helix_config.h b/audio_codec/libraac/include/helix_config.h new file mode 100644 index 0000000..2b7b500 --- a/dev/null +++ b/audio_codec/libraac/include/helix_config.h @@ -0,0 +1,92 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: helix_config.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef HELIX_CONFIG_H +#define HELIX_CONFIG_H + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + + /******************************************************************** + * + * This file contains system wide configuration options. Please look + * through all the config options below to make sure the SDK is tuned + * best for your system. + * + ******************************************************************** + */ + + + /* + * Endian'ness. + * + * This package supports both compile-time and run-time determination + * of CPU byte ordering. If ARCH_IS_BIG_ENDIAN is defined as 0, the + * code will be compiled to run only on little-endian CPUs; if + * ARCH_IS_BIG_ENDIAN is defined as non-zero, the code will be + * compiled to run only on big-endian CPUs; if ARCH_IS_BIG_ENDIAN is + * not defined, the code will be compiled to run on either big- or + * little-endian CPUs, but will run slightly less efficiently on + * either one than if ARCH_IS_BIG_ENDIAN is defined. + * + * If you run on a BIG engian box uncomment this: + * + * #define ARCH_IS_BIG_ENDIAN 1 + * + * If you are on a LITTLE engian box uncomment this: + * + * #define ARCH_IS_BIG_ENDIAN 0 + * + * Or you can just leave it undefined and have it determined + * at runtime. + * + */ + + + + + + + + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef HELIX_CONFIG_H */ diff --git a/audio_codec/libraac/include/helix_mime_types.h b/audio_codec/libraac/include/helix_mime_types.h new file mode 100644 index 0000000..b848bd6 --- a/dev/null +++ b/audio_codec/libraac/include/helix_mime_types.h @@ -0,0 +1,56 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: helix_mime_types.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef HELIX_MIME_TYPES_H +#define HELIX_MIME_TYPES_H + +#define REALAUDIO_MIME_TYPE "audio/x-pn-realaudio" +#define REALAUDIO_MULTIRATE_MIME_TYPE "audio/x-pn-multirate-realaudio" +#define REALAUDIO_ENCRYPTED_MIME_TYPE "audio/x-pn-realaudio-encrypted" +#define REALVIDEO_MIME_TYPE "video/x-pn-realvideo" +#define REALVIDEO_MULTIRATE_MIME_TYPE "video/x-pn-multirate-realvideo" +#define REALVIDEO_ENCRYPTED_MIME_TYPE "video/x-pn-realvideo-encrypted" +#define REALEVENT_MIME_TYPE "application/x-pn-realevent" +#define REALEVENT_ENCRYPTED_MIME_TYPE "application/x-pn-realevent-encrypted" +#define REALIMAGEMAP_MIME_TYPE "application/x-pn-imagemap" +#define REALIMAGEMAP_ENCRYPTED_MIME_TYPE "application/x-pn-imagemap-encrypted" +#define IMAGEMAP_MIME_TYPE "image_map/x-pn-realvideo" +#define IMAGEMAP_ENCRYPTED_MIME_TYPE "image_map/x-pn-realvideo-encrypted" +#define SYNCMM_MIME_TYPE "syncMM/x-pn-realvideo" +#define SYNCMM_ENCRYPTED_MIME_TYPE "syncMM/x-pn-realvideo-encrypted" + +#endif /* #ifndef HELIX_MIME_TYPES_H */ diff --git a/audio_codec/libraac/include/helix_result.h b/audio_codec/libraac/include/helix_result.h new file mode 100644 index 0000000..6c600b4 --- a/dev/null +++ b/audio_codec/libraac/include/helix_result.h @@ -0,0 +1,107 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: helix_result.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef HELIX_RESULT_H +#define HELIX_RESULT_H + +#include "helix_types.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* Definition of HX_RESULT */ +#ifndef HX_RESULT + typedef INT32 HX_RESULT; +#endif /* #ifndef HX_RESULT */ + + /* FACILITY_ITF defintion */ +#ifndef FACILITY_ITF +#define FACILITY_ITF 4 +#endif + + /* General error definition macro */ +#ifndef MAKE_HX_FACILITY_RESULT +#define MAKE_HX_FACILITY_RESULT(sev,fac,code) \ + ((HX_RESULT) (((UINT32)(sev) << 31) | ((UINT32)(fac)<<16) | ((UINT32)(code)))) +#endif /* #ifndef MAKE_HX_FACILITY_RESULT */ + + /* Error definition macros with fac == FACILITY_ITF */ +#ifndef MAKE_HX_RESULT +#define MAKE_HX_RESULT(sev,fac,code) MAKE_HX_FACILITY_RESULT(sev, FACILITY_ITF, ((fac << 6) | (code))) +#endif /* #ifndef MAKE_HX_RESULT */ + +#define SS_GLO 0 /* General errors */ +#define SS_NET 1 /* Networking errors */ +#define SS_FIL 2 /* File errors */ +#define SS_DEC 8 /* Decoder errors */ +#define SS_DPR 63 /* Deprecated errors */ + +#define HXR_NOTIMPL MAKE_HX_FACILITY_RESULT(1,0,0x4001) /* 80004001 */ +#define HXR_OUTOFMEMORY MAKE_HX_FACILITY_RESULT(1,7,0x000e) /* 8007000e */ +#define HXR_INVALID_PARAMETER MAKE_HX_FACILITY_RESULT(1,7,0x0057) /* 80070057 */ +#define HXR_NOINTERFACE MAKE_HX_FACILITY_RESULT(1,0,0x4002) /* 80004002 */ +#define HXR_POINTER MAKE_HX_FACILITY_RESULT(1,0,0x4003) /* 80004003 */ +#define HXR_FAIL MAKE_HX_FACILITY_RESULT(1,0,0x4005) /* 80004005 */ +#define HXR_ACCESSDENIED MAKE_HX_FACILITY_RESULT(1,7,0x0005) /* 80070005 */ +#define HXR_OK MAKE_HX_FACILITY_RESULT(0,0,0) /* 00000000 */ + +#define HXR_INVALID_VERSION MAKE_HX_RESULT(1,SS_GLO,5) /* 80040005 */ +#define HXR_UNEXPECTED MAKE_HX_RESULT(1,SS_GLO,9) /* 80040009 */ +#define HXR_UNSUPPORTED_AUDIO MAKE_HX_RESULT(1,SS_GLO,15) /* 8004000f */ +#define HXR_NOT_SUPPORTED MAKE_HX_RESULT(1,SS_GLO,33) /* 80040021 */ + +#define HXR_NO_DATA MAKE_HX_RESULT(0,SS_NET,2) /* 00040042 */ + +#define HXR_AT_END MAKE_HX_RESULT(0,SS_FIL,0) /* 00040080 */ +#define HXR_INVALID_FILE MAKE_HX_RESULT(1,SS_FIL,1) /* 80040081 */ +#define HXR_CORRUPT_FILE MAKE_HX_RESULT(1,SS_FIL,17) /* 80040091 */ +#define HXR_READ_ERROR MAKE_HX_RESULT(1,SS_FIL,18) /* 80040092 */ + +#define HXR_BAD_FORMAT MAKE_HX_RESULT(1,SS_DPR,1) /* 80040fc1 */ + +#define HXR_DEC_NOT_FOUND MAKE_HX_RESULT(1,SS_DEC,1) /* 80040201 */ + + /* Define success and failure macros */ +#define HX_SUCCEEDED(status) (((UINT32) (status) >> 31) == 0) +#define HX_FAILED(status) (((UINT32) (status) >> 31) != 0) + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef HELIX_RESULT_H */ diff --git a/audio_codec/libraac/include/helix_types.h b/audio_codec/libraac/include/helix_types.h new file mode 100644 index 0000000..fbb7d56 --- a/dev/null +++ b/audio_codec/libraac/include/helix_types.h @@ -0,0 +1,305 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: helix_types.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef HELIX_TYPES_H +#define HELIX_TYPES_H +//#include +#include "string.h" +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* + * INT8 Type definition + * + * INT8 is a signed 8-bit type + */ +#ifndef INT8 + +#if defined(_SYMBIAN) + typedef TInt8 INT8; +#else /* #if defined(_SYMBIAN) */ + typedef char INT8; +#endif /* #if defined(_SYMBIAN) */ + +#endif /* #ifndef INT8 */ + + + /* + * CHAR - signed 8-bit value + */ + typedef INT8 CHAR; + + + /* + * UINT8 Type definition + * + * UINT8 is an unsigned 8-bit type + */ +#ifndef UINT8 + +#if defined(_SYMBIAN) + typedef TUint8 UINT8; +#else /* #if defined(_SYMBIAN) */ + typedef unsigned char UINT8; +#endif /* #if defined(_SYMBIAN) */ + +#endif /* #ifndef UINT8 */ + + /* + * BYTE Type definition + * + * BYTE is another name for a UINT8 + */ + typedef UINT8 BYTE; + + /* + * UCHAR Unsigned 8 bit value. + * + */ + typedef UINT8 UCHAR; + + /* + * INT16 Type definition + * + * INT16 is a signed 16-bit type + */ +#ifndef INT16 + +#if defined(_SYMBIAN) + typedef TInt16 INT16; +#else /* #if defined(_SYMBIAN) */ + typedef short int INT16; +#endif /* #if defined(_SYMBIAN) */ + +#endif /* #ifndef INT16 */ + + /* + * UINT16 Type definition + * + * UINT16 is an unsigned 16-bit type + */ +#ifndef UINT16 + +#if defined(_SYMBIAN) + typedef TUint16 UINT16; +#else /* #if defined(_SYMBIAN) */ + typedef unsigned short int UINT16; +#endif /* #if defined(_SYMBIAN) */ + +#endif /* #ifndef UINT16 */ + + /* + * INT32 Type definition + * + * INT32 is a signed 32-bit type + */ +#ifndef INT32 + +#if defined(_SYMBIAN) + typedef TInt32 INT32; +#elif defined(_UNIX) && defined(_LONG_IS_64) + typedef int INT32; +#elif defined(_VXWORKS) + typedef int INT32; +#else + typedef int INT32; +#endif + +#endif /* #ifndef INT32 */ + + /* + * LONG32 Type definition + * + * LONG32 is another name for a INT32 + */ + typedef INT32 LONG32; + + /* + * UINT32 Type definition + * + * UINT32 is an unsigned 32-bit type + */ +#ifndef UINT32 + +#if defined(_SYMBIAN) + typedef TUint32 UINT32; +#elif defined(_UNIX) && defined(_LONG_IS_64) + typedef unsigned int UINT32; +#elif defined(_VXWORKS) + typedef unsigned int UINT32; +#else + typedef unsigned long UINT32; +#endif + +#endif /* #ifndef UINT32 */ + + /* + * UFIXED32 Type definition + * + * UFIXED32 is another name for a UINT32 + */ + typedef UINT32 UFIXED32; + + /* + * ULONG32 Type definition + * + * ULONG32 is another name for a UINT32 + */ + typedef UINT32 ULONG32; + + /* + * HX_MOFTAG Type definition + * + * HX_MOFTAG is of type UINT32 + */ + typedef UINT32 HX_MOFTAG; + + /* + * HXBOOL Type definition + * + * HXBOOL is a boolean type + */ +#ifndef HXBOOL + +#if defined(_SYMBIAN) + typedef TBool HXBOOL; +#else /* #if defined(_SYMBIAN) */ + typedef int HXBOOL; +#endif /* #if defined(_SYMBIAN) */ + +#endif /* #ifndef HXBOOL */ + + /* + * BOOL Type definition + * + * BOOL is another name for a HXBOOL + */ + typedef HXBOOL BOOL; + + /* + * TRUE and FALSE definitions + */ +#ifdef TRUE +#undef TRUE +#endif + +#ifndef TRUE +#define TRUE 1 +#endif + +#ifdef FALSE +#undef FALSE +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + + /* + * HX_BITFIELD Type definition + * + * HX_BITFIELD is a bitfield type. It would + * be used in conjunction with a field width + * parameter like this: + * + * HX_BITFIELD foo:2; + */ +#ifndef HX_BITFIELD + + typedef unsigned char HX_BITFIELD; + +#endif + + /* + * HXFLOAT Type definition + * + * HXFLOAT is a single-precision floating-point type + */ +#ifndef HXFLOAT + + typedef float HXFLOAT; + +#endif /* #ifndef HXFLOAT */ + + /* + * HXDOUBLE Type definition + * + * HXDOUBLE is a double-precision floating-point type + */ +#ifndef HXDOUBLE + + typedef double HXDOUBLE; + +#endif /* #ifndef HXDOUBLE */ + + /* + * HXNULL definition + */ +#ifndef HXNULL +#define HXNULL ((void *)0) +#endif + + /* + * Helix DATE type. + */ + +#define HX_YEAR_OFFSET 1900 + + typedef struct system_time { + UINT16 second; /* 0-59 */ + UINT16 minute; /* 0-59 */ + UINT16 hour; /* 0-23 */ + UINT16 dayofweek; /* 0-6 (Sunday = 0) */ + UINT16 dayofmonth;/* 1-31 */ + UINT16 dayofyear; /* 1-366 (January 1 = 1) */ + UINT16 month; /* 1-12 (January = 1) */ + UINT16 year; /* year - 1900 or (year - HX_YEAR_OFFSET) */ + INT16 gmtDelta; /* Greenwich Mean Time Delta in +/- hours */ + } HX_DATETIME; + + HX_DATETIME HX_GET_DATETIME(void); + +#define HXEXPORT_PTR * +#define HXEXPORT +#define ENTRYPOINT(func) func + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef HELIX_TYPES_H */ diff --git a/audio_codec/libraac/include/helix_utils.h b/audio_codec/libraac/include/helix_utils.h new file mode 100644 index 0000000..40450ca --- a/dev/null +++ b/audio_codec/libraac/include/helix_utils.h @@ -0,0 +1,106 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: helix_utils.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef HELIX_UTILS_H +#define HELIX_UTILS_H + +#include "helix_config.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + + /* + * General support macros + * + */ + +#define HX_MAX(a, b) (((a) > (b)) ? (a) : (b)) +#define HX_MIN(a, b) (((a) < (b)) ? (a) : (b)) + + /* + * Macro: IS_BIG_ENDIAN() + * + * Endianness detection macro. + * Requires local test_int = 0xFF for correct operation. + * Set ARCH_IS_BIG_ENDIAN in helix_config.h for best performance. + * + */ + +#if !defined(ARCH_IS_BIG_ENDIAN) +#define IS_BIG_ENDIAN(test_int) ((*((char*)&test_int)) == 0) +#else +#define IS_BIG_ENDIAN(test_int) ARCH_IS_BIG_ENDIAN +#endif + + /* + * Macro: HX_GET_MAJOR_VERSION() + * + * Given the encoded product version, + * returns the major version number. + */ +#define HX_GET_MAJOR_VERSION(prodVer) ((prodVer >> 28) & 0xF) + + /* + * Macro: HX_GET_MINOR_VERSION() + * + * Given the encoded product version, + * returns the minor version number. + */ +#define HX_GET_MINOR_VERSION(prodVer) ((prodVer >> 20) & 0xFF) + + /* + * Macro: HX_ENCODE_PROD_VERSION() + * + * Given the major version, minor version, + * release number, and build number, + * returns the encoded product version. + */ +#define HX_ENCODE_PROD_VERSION(major,minor,release,build) \ + ((ULONG32)((ULONG32)major << 28) | ((ULONG32)minor << 20) | \ + ((ULONG32)release << 12) | (ULONG32)build) + +#define HX_GET_PRIVATE_FIELD(ulversion)(ulversion & (UINT32)0xFF) + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + + +#endif /* HELIX_UTILS_H */ + diff --git a/audio_codec/libraac/include/md5.h b/audio_codec/libraac/include/md5.h new file mode 100644 index 0000000..7cec16c --- a/dev/null +++ b/audio_codec/libraac/include/md5.h @@ -0,0 +1,113 @@ +/* + Copyright (C) 1999, 2002 Aladdin Enterprises. All rights reserved. + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + L. Peter Deutsch + ghost@aladdin.com + + */ + +/* + Independent implementation of MD5 (RFC 1321). + + This code implements the MD5 Algorithm defined in RFC 1321, whose + text is available at + http://www.ietf.org/rfc/rfc1321.txt + The code is derived from the text of the RFC, including the test suite + (section A.5) but excluding the rest of Appendix A. It does not include + any code or documentation that is identified in the RFC as being + copyrighted. + + The original and principal author of md5.h is L. Peter Deutsch + . Other authors are noted in the change history + that follows (in reverse chronological order): + + 2002-04-13 lpd Removed support for non-ANSI compilers; removed + references to Ghostscript; clarified derivation from RFC 1321; + now handles byte order either statically or dynamically. + 1999-11-04 lpd Edited comments slightly for automatic TOC extraction. + 1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5); + added conditionalization for C++ compilation from Martin + Purschke . + 1999-05-03 lpd Original version. + */ + +#ifndef md5_INCLUDED +# define md5_INCLUDED + + +#include "helix_types.h" +/* + * These should cause all callers and callees of the md5_ + * function names to use a unique Helix specific name space + * of HX_md5_xxx. This will facilitate the inclusion of our + * code into code bases that also use the md5_ functions. + */ + +#define md5_init HX_md5_init +#define md5_append HX_md5_append +#define md5_finish HX_md5_finish +#define MD5End HX_MD5End +#define MD5Data HX_MD5Data + + +/* + * This package supports both compile-time and run-time determination of CPU + * byte order. If ARCH_IS_BIG_ENDIAN is defined as 0, the code will be + * compiled to run only on little-endian CPUs; if ARCH_IS_BIG_ENDIAN is + * defined as non-zero, the code will be compiled to run only on big-endian + * CPUs; if ARCH_IS_BIG_ENDIAN is not defined, the code will be compiled to + * run on either big- or little-endian CPUs, but will run slightly less + * efficiently on either one than if ARCH_IS_BIG_ENDIAN is defined. + */ + +typedef unsigned char md5_byte_t; /* 8-bit byte */ +typedef unsigned int md5_word_t; /* 32-bit word */ + +/* Define the state of the MD5 Algorithm. */ +typedef struct md5_state_s { + md5_word_t count[2]; /* message length in bits, lsw first */ + md5_word_t abcd[4]; /* digest buffer */ + md5_byte_t buf[64]; /* accumulate block */ +} md5_state_t; + +#ifdef __cplusplus +extern "C" +{ +#endif + + /* Initialize the algorithm. */ + void md5_init(md5_state_t *pms); + + /* Append a string to the message. */ + void md5_append(md5_state_t *pms, const md5_byte_t *data, int nbytes); + + /* Finish the message and return the digest. */ + /* changed order to match expected usage. */ + void md5_finish(md5_byte_t digest[16], md5_state_t *pms); + + + char * MD5End(md5_state_t *ctx, char *p); + char * MD5Data(char *, const unsigned char *, unsigned int); + + +#ifdef __cplusplus +} /* end extern "C" */ +#endif + +#endif /* md5_INCLUDED */ diff --git a/audio_codec/libraac/include/memory_utils.h b/audio_codec/libraac/include/memory_utils.h new file mode 100644 index 0000000..3c8992c --- a/dev/null +++ b/audio_codec/libraac/include/memory_utils.h @@ -0,0 +1,58 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: memory_utils.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef MEMORY_UTILS_H +#define MEMORY_UTILS_H + +//#include "includes.h" +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" + +HX_RESULT rm_enforce_buffer_min_size(void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree, + BYTE** ppBuf, + UINT32* pulCurLen, + UINT32 ulReqLen); + +BYTE* copy_buffer(void* pUserMem, + rm_malloc_func_ptr fpMalloc, + BYTE* pBuf, + UINT32 ulLen); + +#endif /* #ifndef MEMORY_UTILS_H */ diff --git a/audio_codec/libraac/include/pack_utils.h b/audio_codec/libraac/include/pack_utils.h new file mode 100644 index 0000000..d5bf21f --- a/dev/null +++ b/audio_codec/libraac/include/pack_utils.h @@ -0,0 +1,93 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: pack_utils.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef PACK_UTILS_H +#define PACK_UTILS_H + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" + +/* Pack a 32-bit value big-endian */ +void rm_pack32(UINT32 ulValue, BYTE** ppBuf, UINT32* pulLen); +/* Pack a 32-bit value little-endian */ +void rm_pack32_le(UINT32 ulValue, BYTE** ppBuf, UINT32* pulLen); +/* Pack a 16-bit value big-endian */ +void rm_pack16(UINT16 usValue, BYTE** ppBuf, UINT32* pulLen); +/* Pack a 16-bit value little-endian */ +void rm_pack16_le(UINT16 usValue, BYTE** ppBuf, UINT32* pulLen); +void rm_pack8(BYTE ucValue, BYTE** ppBuf, UINT32* pulLen); + +/* Unpacking utilties */ +UINT32 rm_unpack32(BYTE** ppBuf, UINT32* pulLen); +UINT16 rm_unpack16(BYTE** ppBuf, UINT32* pulLen); +/* rm_unpack32() and rm_unpack16() have the side + * effect of incrementing *ppBuf and decrementing + * *pulLen. The functions below (rm_unpack32_nse() + * rm_unpack16_nse()) do not change pBuf and ulLen. + * That is, they have No Side Effect, hence the suffix + * _nse. + */ +UINT32 rm_unpack32_nse(BYTE* pBuf, UINT32 ulLen); +UINT16 rm_unpack16_nse(BYTE* pBuf, UINT32 ulLen); +BYTE rm_unpack8(BYTE** ppBuf, UINT32* pulLen); +HX_RESULT rm_unpack_string(BYTE** ppBuf, + UINT32* pulLen, + UINT32 ulStrLen, + char** ppStr, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); +HX_RESULT rm_unpack_buffer(BYTE** ppBuf, + UINT32* pulLen, + UINT32 ulBufLen, + BYTE** ppUnPackBuf, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); +HX_RESULT rm_unpack_array(BYTE** ppBuf, + UINT32* pulLen, + UINT32 ulNumElem, + UINT32 ulElemSize, + void** ppArr, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + +UINT32 rm_unpack32_from_byte_string(BYTE** ppBuf, UINT32* pulLen); + +#endif /* #ifndef PACK_UTILS_H */ diff --git a/audio_codec/libraac/include/packet_defines.h b/audio_codec/libraac/include/packet_defines.h new file mode 100644 index 0000000..5339f36 --- a/dev/null +++ b/audio_codec/libraac/include/packet_defines.h @@ -0,0 +1,48 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: packet_defines.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef PACKET_DEFINES_H +#define PACKET_DEFINES_H + +#define HX_KEYFRAME_FLAG 0x0002 +#define HX_KEYFRAME_RULE 0 +#define HX_NONKEYFRAME_RULE 1 +#define HX_THINNING_RULE 2 +#define HX_ASM_SWITCH_ON 1 +#define HX_ASM_SWITCH_OFF 2 + +#endif /* #ifndef PACKET_DEFINES_H */ diff --git a/audio_codec/libraac/include/ra8lbr_decode.h b/audio_codec/libraac/include/ra8lbr_decode.h new file mode 100644 index 0000000..ef39e6f --- a/dev/null +++ b/audio_codec/libraac/include/ra8lbr_decode.h @@ -0,0 +1,161 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ra8lbr_decode.h,v 1.2.2.1 2005/05/04 18:21:53 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RA8LBR_DECODE_H +#define RA8LBR_DECODE_H + +#include "helix_types.h" +#include "helix_result.h" +#include "ra_decode.h" + + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* ra8lbr decode struct */ + typedef struct ra8lbr_decode_struct { + void* pDecoder; + UINT32 ulNumChannels; + UINT32 ulChannelMask; + UINT32 ulFrameSize; + UINT32 ulFramesPerBlock; + UINT32 ulSamplesPerFrame; + UINT32 ulSampleRate; + UINT32 ulDelayFrames; + UINT32 ulDelayRemaining; + UINT32 ulFramesToConceal; + UCHAR* pFlushData; + } ra8lbr_decode; + + /* ra8lbr opaque data struct */ + typedef struct ra8lbr_data_struct { + INT32 version; + INT16 nSamples; + INT16 nRegions; + INT32 delay; + UINT16 cplStart ; + UINT16 cplQBits ; + INT32 channelMask ; + } ra8lbr_data; + + /* ra8lbr decode interface */ + + /* + * ra8lbr_decode_init + */ + HX_RESULT ra8lbr_decode_init(void* pInitParams, + UINT32 ulInitParamsSize, + ra_format_info* pStreamInfo, + void** pDecode, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* + * ra8lbr_decode_reset + */ + HX_RESULT ra8lbr_decode_reset(void* pDecode, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut); + + /* + * ra8lbr_decode_conceal + */ + HX_RESULT ra8lbr_decode_conceal(void* pDecode, + UINT32 ulNumSamples); + + /* + * ra8lbr_decode_decode + */ + HX_RESULT ra8lbr_decode_decode(void* pDecode, + UINT8* pData, + UINT32 ulNumBytes, + UINT32* pNumBytesConsumed, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut, + UINT32 ulFlags, + UINT32 ulTimeStamp); + + /* + * ra8lbr_decode_getmaxsize + */ + HX_RESULT ra8lbr_decode_getmaxsize(void* pDecode, + UINT32* pNumSamples); + + /* + * ra8lbr_decode_getchannels + */ + HX_RESULT ra8lbr_decode_getchannels(void* pDecode, + UINT32* pNumChannels); + + /* + * ra8lbr_decode_getchannelmask + */ + HX_RESULT ra8lbr_decode_getchannelmask(void* pDecode, + UINT32* pChannelMask); + + /* + * ra8lbr_decode_getrate + */ + HX_RESULT ra8lbr_decode_getrate(void* pDecode, + UINT32* pSampleRate); + + /* + * ra8lbr_decode_getdelay + */ + HX_RESULT ra8lbr_decode_getdelay(void* pDecode, + UINT32* pNumSamples); + + /* + * ra8lbr_decode_close + */ + HX_RESULT ra8lbr_decode_close(void* pDecode, + void* pUserMem, + rm_free_func_ptr fpFree); + + HX_RESULT ra8lbr_unpack_opaque_data(ra8lbr_data* pData, + UINT8* pBuf, + UINT32 ulLength); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RA8LBR_DECODE_H */ diff --git a/audio_codec/libraac/include/ra_backend.h b/audio_codec/libraac/include/ra_backend.h new file mode 100644 index 0000000..d351c5b --- a/dev/null +++ b/audio_codec/libraac/include/ra_backend.h @@ -0,0 +1,94 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ra_backend.h,v 1.2.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RA_BACKEND_H__ +#define RA_BACKEND_H__ + +/* Unified RealAudio decoder backend interface */ + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "ra_format_info.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* ra decoder backend interface */ + + typedef HX_RESULT(*ra_decode_init_func_ptr)(void* pInitParams, + UINT32 ulInitParamsSize, + ra_format_info* pStreamInfo, + void** pDecode, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + typedef HX_RESULT(*ra_decode_reset_func_ptr)(void* pDecode, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut); + typedef HX_RESULT(*ra_decode_conceal_func_ptr)(void* pDecode, + UINT32 ulNumSamples); + typedef HX_RESULT(*ra_decode_decode_func_ptr)(void* pDecode, + UINT8* pData, + UINT32 ulNumBytes, + UINT32* pNumBytesConsumed, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut, + UINT32 ulFlags, + UINT32 ulTimeStamp); + typedef HX_RESULT(*ra_decode_getmaxsize_func_ptr)(void* pDecode, + UINT32* pNumSamples); + typedef HX_RESULT(*ra_decode_getchannels_func_ptr)(void* pDecode, + UINT32* pNumChannels); + typedef HX_RESULT(*ra_decode_getchannelmask_func_ptr)(void* pDecode, + UINT32* pChannelMask); + typedef HX_RESULT(*ra_decode_getrate_func_ptr)(void* pDecode, + UINT32* pSampleRate); + typedef HX_RESULT(*ra_decode_getdelay_func_ptr)(void* pDecode, + UINT32* pNumSamples); + typedef HX_RESULT(*ra_decode_close_func_ptr)(void* pDecode, + void* pUserMem, + rm_free_func_ptr fpFree); + +#ifdef __cplusplus +} +#endif + +#endif /* RA_BACKEND_H__ */ diff --git a/audio_codec/libraac/include/ra_decode.h b/audio_codec/libraac/include/ra_decode.h new file mode 100644 index 0000000..b51ec0c --- a/dev/null +++ b/audio_codec/libraac/include/ra_decode.h @@ -0,0 +1,183 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ra_decode.h,v 1.2.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RA_DECODE_H +#define RA_DECODE_H + +/* Simple unified decoder frontend for RealAudio */ + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "rm_error.h" +#include "ra_format_info.h" +#include "ra_backend.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* The ra_decode struct contains the RealAudio decoder frontend + * function pointers and pointers to the backend. */ + + typedef struct ra_decode_struct { + void* pUserError; + rm_error_func_ptr fpError; + void* pUserMem; + rm_malloc_func_ptr fpMalloc; + rm_free_func_ptr fpFree; + + ra_decode_init_func_ptr fpInit; + ra_decode_reset_func_ptr fpReset; + ra_decode_conceal_func_ptr fpConceal; + ra_decode_decode_func_ptr fpDecode; + ra_decode_getmaxsize_func_ptr fpGetMaxSize; + ra_decode_getchannels_func_ptr fpGetChannels; + ra_decode_getchannelmask_func_ptr fpGetChannelMask; + ra_decode_getrate_func_ptr fpGetSampleRate; + ra_decode_getdelay_func_ptr fpMaxSamp; + ra_decode_close_func_ptr fpClose; + + void* pDecode; + } ra_decode; + + /* ra_decode_create() + * Creates RA decoder frontend struct, copies memory utilities. + * Returns struct pointer on success, NULL on failure. */ + ra_decode* ra_decode_create(void* pUserError, + rm_error_func_ptr fpError); + + ra_decode* ra_decode_create2(void* pUserError, + rm_error_func_ptr fpError, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* ra_decode_destroy() + * Deletes the decoder backend and frontend instances. */ + void ra_decode_destroy(ra_decode* pFrontEnd); + + /* ra_decode_init() + * Selects decoder backend with fourCC code. + * Calls decoder backend init function with init params. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_init(ra_decode* pFrontEnd, + UINT32 ulFourCC, + void* pInitParams, + UINT32 ulInitParamsSize, + ra_format_info* pStreamInfo); + + /* ra_decode_reset() + * Calls decoder backend reset function. + * Depending on which codec is in use, *pNumSamplesOut samples may + * be flushed. After reset, the decoder returns to its initial state. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_reset(ra_decode* pFrontEnd, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut); + + /* ra_decode_conceal() + * Calls decoder backend conceal function. + * On successive calls to ra_decode_decode(), the decoder will attempt + * to conceal ulNumSamples. No input data should be sent while concealed + * frames are being produced. Once the decoder has exhausted the concealed + * samples, it can proceed normally with decoding valid input data. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_conceal(ra_decode* pFrontEnd, + UINT32 ulNumSamples); + + /* ra_decode_decode() + * Calls decoder backend decode function. + * pData : input data (compressed frame). + * ulNumBytes : input data size in bytes. + * pNumBytesConsumed : amount of input data consumed by decoder. + * pSamplesOut : output data (uncompressed frame). + * ulNumSamplesAvail : size of output buffer. + * pNumSamplesOut : amount of ouput data produced by decoder. + * ulFlags : control flags for decoder. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_decode(ra_decode* pFrontEnd, + UINT8* pData, + UINT32 ulNumBytes, + UINT32* pNumBytesConsumed, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut, + UINT32 ulFlags, + UINT32 ulTimeStamp); + + + /**************** Accessor Functions *******************/ + /* ra_decode_getmaxsize() + * pNumSamples receives the maximum number of samples produced + * by the decoder in response to a call to ra_decode_decode(). + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_getmaxsize(ra_decode* pFrontEnd, + UINT32* pNumSamples); + + /* ra_decode_getchannels() + * pNumChannels receives the number of audio channels in the bitstream. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_getchannels(ra_decode* pFrontEnd, + UINT32* pNumChannels); + + /* ra_decode_getchannelmask() + * pChannelMask receives the 32-bit mapping of the audio output channels. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_getchannelmask(ra_decode* pFrontEnd, + UINT32* pChannelMask); + + /* ra_decode_getrate() + * pSampleRate receives the sampling rate of the output samples. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_getrate(ra_decode* pFrontEnd, + UINT32* pSampleRate); + + /* ra_decode_getdelay() + * pNumSamples receives the number of invalid output samples + * produced by the decoder at startup. + * If non-zero, it is up to the user to discard these samples. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT ra_decode_getdelay(ra_decode* pFrontEnd, + UINT32* pNumSamples); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RA_DECODE_H */ diff --git a/audio_codec/libraac/include/ra_depack.h b/audio_codec/libraac/include/ra_depack.h new file mode 100644 index 0000000..aedfd64 --- a/dev/null +++ b/audio_codec/libraac/include/ra_depack.h @@ -0,0 +1,177 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ra_depack.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RA_DEPACK_H +#define RA_DEPACK_H + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_error.h" +#include "rm_memory.h" +#include "rm_stream.h" +#include "rm_packet.h" +#include "ra_format_info.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* Encoded audio block definition. */ + typedef struct ra_block_struct { + BYTE* pData; + UINT32 ulDataLen; + UINT32 ulTimestamp; + UINT32 ulDataFlags; + } ra_block; + + /* Callback functions */ + typedef HX_RESULT(*ra_block_avail_func_ptr)(void* pAvail, + UINT32 ulSubStream, + ra_block* block); + + /* + * ra_depack definition. Opaque to user. + */ + typedef void ra_depack; + + /* + * ra_depack_create + * + * Users should use this function if they don't need to + * customize their memory allocation routines. In this + * case, the SDK will use malloc() and free() for + * memory allocation. + */ + ra_depack* ra_depack_create(void* pAvail, + ra_block_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError); + + /* + * ra_depack_create2 + * + * Users should use this function if they need to + * customize the memory allocation routines. + */ + ra_depack* ra_depack_create2(void* pAvail, + ra_block_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* + * ra_depack_init + * + * The depacketizer will be initialized with a RealAudio stream header. + */ + HX_RESULT ra_depack_init(ra_depack* pDepack, rm_stream_header* pHdr); + + /* + * ra_depack_get_num_substreams + * + * This accessor function tells how many audio substreams there are + * in this audio stream. For single-rate files, this will be 1. For + * SureStream audio streams, this could be greater than 1. + */ + UINT32 ra_depack_get_num_substreams(ra_depack* pDepack); + + /* + * ra_depack_get_codec_4cc + * + * This accessor function returns the 4cc of the codec. This 4cc + * will be used to determine which codec to use for this substream. + */ + UINT32 ra_depack_get_codec_4cc(ra_depack* pDepack, UINT32 ulSubStream); + + /* + * ra_depack_get_codec_init_info + * + * This function fills in the structure which is used to initialize the codec. + */ + HX_RESULT ra_depack_get_codec_init_info(ra_depack* pDepack, + UINT32 ulSubStream, + ra_format_info** ppInfo); + + /* + * ra_depack_destroy_codec_init_info + * + * This function frees the memory associated with the ra_format_info object + * created by ra_depack_get_codec_init_info(). + */ + void ra_depack_destroy_codec_init_info(ra_depack* pDepack, + ra_format_info** ppInfo); + + /* + * ra_depack_add_packet + * + * Put an audio packet into the depacketizer. When enough data is + * present to deinterleave, then the user will be called back + * on the rm_block_avail_func_ptr set in ra_depack_create(). + */ + HX_RESULT ra_depack_add_packet(ra_depack* pDepack, rm_packet* pPacket); + + /* + * ra_depack_destroy_block + * + * This method cleans up a block received via the + * ra_block_avail_func_ptr callback. + */ + void ra_depack_destroy_block(ra_depack* pDepack, ra_block** ppBlock); + + /* + * ra_depack_seek + * + * The user calls this function if the stream is seeked. It + * should be called before passing any post-seek packets. + */ + HX_RESULT ra_depack_seek(ra_depack* pDepack, UINT32 ulTime); + + /* + * ra_depack_destroy + * + * This cleans up all memory allocated by the ra_depack_* calls + */ + void ra_depack_destroy(ra_depack** ppDepack); + + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RA_DEPACK_H */ diff --git a/audio_codec/libraac/include/ra_format_info.h b/audio_codec/libraac/include/ra_format_info.h new file mode 100644 index 0000000..98293ff --- a/dev/null +++ b/audio_codec/libraac/include/ra_format_info.h @@ -0,0 +1,60 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ra_format_info.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RA_FORMAT_INFO_H +#define RA_FORMAT_INFO_H + +#include "helix_types.h" + +/* + * ra_format_info struct + * + */ +typedef struct ra_format_info_struct { + UINT32 ulSampleRate; + UINT32 ulActualRate; + UINT16 usBitsPerSample; + UINT16 usNumChannels; + UINT16 usAudioQuality; + UINT16 usFlavorIndex; + UINT32 ulBitsPerFrame; + UINT32 ulGranularity; + UINT32 ulOpaqueDataSize; + BYTE* pOpaqueData; +} ra_format_info; + +#endif /* #ifndef RA_FORMAT_INFO_H */ diff --git a/audio_codec/libraac/include/rasl.h b/audio_codec/libraac/include/rasl.h new file mode 100644 index 0000000..9eff866 --- a/dev/null +++ b/audio_codec/libraac/include/rasl.h @@ -0,0 +1,71 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rasl.h,v 1.1.1.1.2.1 2005/05/04 18:21:33 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RASL_H +#define RASL_H + +#include "helix_types.h" + +/* Must regenerate table if these are changed! */ +#define RA50_NCODEBYTES 18.5 /* bytes per 5.0kbps sl frame */ +#define RA65_NCODEBYTES 14.5 /* bytes per 6.5kbps sl frame */ +#define RA85_NCODEBYTES 19 /* bytes per 8.5kbps sl frame */ +#define RA160_NCODEBYTES 20 /* bytes per 16.0kbps sl frame */ + +#define RA50_NCODEBITS 148 /* bits per 5.0kbps sl frame */ +#define RA65_NCODEBITS 116 /* bits per 6.5kbps sl frame */ +#define RA85_NCODEBITS 152 /* bits per 8.5kbps sl frame */ +#define RA160_NCODEBITS 160 /* bits per 16.0kbps sl frame */ + +#define RASL_MAXCODEBYTES 20 /* max bytes per sl frame */ +#define RASL_NFRAMES 16 /* frames per block - must match codec */ +#define RASL_NBLOCKS 6 /* blocks to interleave across */ +#define RASL_BLOCK_NUM(i) ((i) >> 4) /* assumes RASL_NFRAMES = 16 */ +#define RASL_BLOCK_OFF(i) ((i) & 0xf) /* assumes RASL_NFRAMES = 16 */ + + +void RASL_DeInterleave(char *buf, unsigned long ulBufSize, int type, ULONG32 * pFlags); + +void ra_bitcopy(unsigned char* toPtr, + unsigned long ulToBufSize, + unsigned char* fromPtr, + unsigned long ulFromBufSize, + int bitOffsetTo, + int bitOffsetFrom, + int numBits); + +#endif /* #ifndef RASL_H */ diff --git a/audio_codec/libraac/include/rdtpck.h b/audio_codec/libraac/include/rdtpck.h new file mode 100644 index 0000000..68251cd --- a/dev/null +++ b/audio_codec/libraac/include/rdtpck.h @@ -0,0 +1,153 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rdtpck.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RDTPACKET_H +#define RDTPACKET_H + +#include +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" + +#ifdef __cplusplus +extern "C" { +#endif + + + /* + * + * Packet util functions and types + * + */ + +#define RDT_ASM_ACTION_PKT 0xFF00 +#define RDT_BW_REPORT_PKT 0xFF01 +#define RDT_ACK_PKT 0xFF02 +#define RDT_RTT_REQUEST_PKT 0xFF03 +#define RDT_RTT_RESPONSE_PKT 0xFF04 +#define RDT_CONGESTION_PKT 0xFF05 +#define RDT_STREAM_END_PKT 0xFF06 +#define RDT_REPORT_PKT 0xFF07 +#define RDT_LATENCY_REPORT_PKT 0xFF08 +#define RDT_TRANS_INFO_RQST_PKT 0xFF09 +#define RDT_TRANS_INFO_RESP_PKT 0xFF0A +#define RDT_BANDWIDTH_PROBE_PKT 0xFF0B + +#define RDT_DATA_PACKET 0xFFFE +#define RDT_UNKNOWN_TYPE 0xFFFF + + + + /* + * + * The tngpkt.h file included below is auto-generated from the master + * header file which contains the bit by bit definitions of the packet + * structures(tngpkt.pm). The structures defined in tngpkt.h are + * easier to use compared to the actual packet definitions in + * tngpkt.pm. tngpkt.h also includes pack and unpack functions that + * can convert these structures to and from the binary wire format of + * the different packet types. + * + */ +#include "tngpkt.h" + + + /* All seq numbers will be marked as lost [beg, end]. */ + /* Caller is responsible for free'ing the bit-field that is allocated + * ( "pkt->data.data"). + */ + void createNAKPacket(struct TNGACKPacket* pkt, + UINT16 unStreamNum, + UINT16 unBegSeqNum, + UINT16 unEndSeqNum + ); + + void createNAKPacketFromPool(struct TNGACKPacket* pkt, + UINT16 unStreamNum, + UINT16 unBegSeqNum, + UINT16 unEndSeqNum, + rm_malloc_func_ptr fpMalloc, + void* pMemoryPool + ); + + + + /* All seq numbers will be marked as received [beg, end]. The caller + * must free the 'pkt->data.data' malloc'ed memory. + */ + void createACKPacket(struct TNGACKPacket* pkt, + UINT16 unStreamNum, + UINT16 unBegSeqNum, + UINT16 unEndSeqNum + ); + + void createACKPacketFromPool(struct TNGACKPacket* pkt, + UINT16 unStreamNum, + UINT16 unBegSeqNum, + UINT16 unEndSeqNum, + rm_malloc_func_ptr fpMalloc, + void* pMemoryPool + ); + + /* + * Returns the packet type of the packet in the buffer that was just + * read off of the wire + */ + UINT16 GetRDTPacketType(UINT8* pBuf, UINT32 nLen); + + + + /* + * Marshalling inline funcs. + */ + + UINT8 getbyte(UINT8* data); + UINT16 getshort(UINT8* data); + INT32 getlong(UINT8* data); + void putbyte(UINT8* data, INT8 v); + void putshort(UINT8* data, UINT16 v); + void putlong(UINT8* data, UINT32 v); + UINT8* addbyte(UINT8* cp, UINT8 data); + UINT8* addshort(UINT8* cp, UINT16 data); + UINT8* addlong(UINT8* cp, UINT32 data); + UINT8* addstring(UINT8* cp, const UINT8* string, int len); + +#ifdef __cplusplus +} +#endif + +#endif /* RDTPACKET_H */ diff --git a/audio_codec/libraac/include/rm_error.h b/audio_codec/libraac/include/rm_error.h new file mode 100644 index 0000000..b052baf --- a/dev/null +++ b/audio_codec/libraac/include/rm_error.h @@ -0,0 +1,54 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_error.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_ERROR_H +#define RM_ERROR_H + +#include "helix_types.h" +#include "helix_result.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + typedef void (*rm_error_func_ptr)(void* pUserError, HX_RESULT err, const char* msg); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_ERROR_H */ diff --git a/audio_codec/libraac/include/rm_error_default.h b/audio_codec/libraac/include/rm_error_default.h new file mode 100644 index 0000000..2d6da08 --- a/dev/null +++ b/audio_codec/libraac/include/rm_error_default.h @@ -0,0 +1,53 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_error_default.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_ERROR_DEFAULT_H +#define RM_ERROR_DEFAULT_H + +#include "helix_types.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + void rm_error_default(void* pUserError, HX_RESULT err, const char* msg); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_ERROR_DEFAULT_H */ diff --git a/audio_codec/libraac/include/rm_io_default.h b/audio_codec/libraac/include/rm_io_default.h new file mode 100644 index 0000000..d1e3323 --- a/dev/null +++ b/audio_codec/libraac/include/rm_io_default.h @@ -0,0 +1,49 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_io_default.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_IO_DEFAULT_H +#define RM_IO_DEFAULT_H + +#include "helix_types.h" +#include "helix_result.h" + +UINT32 rm_io_default_read(void* pUserRead, BYTE* pBuf, UINT32 ulBytesToRead); +void rm_io_default_seek(void* pUserRead, UINT32 ulOffset, UINT32 ulOrigin); +UINT32 rm_io_datasrc_read(void* pUserRead, BYTE* pBuf, UINT32 ulBytesToRead); +void rm_io_datasrc_seek(void* pUserRead, UINT32 ulOffset, UINT32 ulOrigin); + +#endif /* #ifndef RM_IO_DEFAULT_H */ diff --git a/audio_codec/libraac/include/rm_memory.h b/audio_codec/libraac/include/rm_memory.h new file mode 100644 index 0000000..81e2919 --- a/dev/null +++ b/audio_codec/libraac/include/rm_memory.h @@ -0,0 +1,54 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_memory.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_MEMORY_H +#define RM_MEMORY_H + +#include "helix_types.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + typedef void* (*rm_malloc_func_ptr)(void* pUserMem, UINT32 ulSize); + typedef void (*rm_free_func_ptr)(void* pUserMem, void* ptr); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_MEMORY_H */ diff --git a/audio_codec/libraac/include/rm_memory_default.h b/audio_codec/libraac/include/rm_memory_default.h new file mode 100644 index 0000000..297e441 --- a/dev/null +++ b/audio_codec/libraac/include/rm_memory_default.h @@ -0,0 +1,46 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_memory_default.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_MEMORY_DEFAULT_H +#define RM_MEMORY_DEFAULT_H + +#include "helix_types.h" + +void* rm_memory_default_malloc(void* pUserMem, UINT32 ulSize); +void rm_memory_default_free(void* pUserMem, void* ptr); + +#endif /* RM_MEMORY_DEFAULT_H */ diff --git a/audio_codec/libraac/include/rm_packet.h b/audio_codec/libraac/include/rm_packet.h new file mode 100644 index 0000000..e9c47ee --- a/dev/null +++ b/audio_codec/libraac/include/rm_packet.h @@ -0,0 +1,80 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_packet.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_PACKET_H +#define RM_PACKET_H + +#include "helix_types.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* + * Packet struct + * + * Users are strongly encouraged to use the + * accessor functions below to retrieve information + * from the packet, since the definition of this + * struct may change in the future. + */ + typedef struct rm_packet_struct { + UINT32 ulTime; + UINT16 usStream; + UINT16 usASMFlags; + BYTE ucASMRule; + BYTE ucLost; + UINT16 usDataLen; + BYTE* pData; + } rm_packet; + + /* + * Packet Accessor functions + */ + UINT32 rm_packet_get_timestamp(rm_packet* packet); + UINT32 rm_packet_get_stream_number(rm_packet* packet); + UINT32 rm_packet_get_asm_flags(rm_packet* packet); + UINT32 rm_packet_get_asm_rule_number(rm_packet* packet); + UINT32 rm_packet_get_data_length(rm_packet* packet); + BYTE* rm_packet_get_data(rm_packet* packet); + HXBOOL rm_packet_is_lost(rm_packet* packet); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_PACKET_H */ diff --git a/audio_codec/libraac/include/rm_parse.h b/audio_codec/libraac/include/rm_parse.h new file mode 100644 index 0000000..6bec67b --- a/dev/null +++ b/audio_codec/libraac/include/rm_parse.h @@ -0,0 +1,302 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_parse.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_PARSE_H +#define RM_PARSE_H + +#include +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "rm_error.h" +#include "rm_property.h" +#include "rm_stream.h" +#include "rm_packet.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* + * Seek origin definitions - these are + * exactly the same as the respective + * definitions in + */ +#define HX_SEEK_ORIGIN_SET 0 +#define HX_SEEK_ORIGIN_CUR 1 +#define HX_SEEK_ORIGIN_END 2 + + /* Function pointer definitions */ + typedef UINT32(*rm_read_func_ptr)(void* pUserRead, + BYTE* pBuf, /* Must be at least ulBytesToRead long */ + UINT32 ulBytesToRead); + typedef void (*rm_seek_func_ptr)(void* pUserRead, + UINT32 ulOffset, + UINT32 ulOrigin); + + /* + * rm_parser definition. This is opaque to the user. + */ + typedef void rm_parser; + + /* + * rm_parser_is_rm_file() + * + * Function which examines pBuf[0] up through pBuf[ulSize-1] and + * tries to determine if the buffer contains the beginning of an .rm file + */ + HXBOOL rm_parser_is_rm_file(BYTE* pBuf, UINT32 ulSize); + + /* + * rm_parser_create + * + * This creates an rm_parser object. The user may provide an + * optional error reporting function as well as a void* + * which will be passed into fpError. If fpError is NULL, then + * the parser will not print out any error messages by default + * and the user will have to interpret the error by the + * return value. + */ + rm_parser* rm_parser_create(void* pError, + rm_error_func_ptr fpError); + + /* + * rm_parser_create2 + * + * This creates an rm_parser object, using custom memory + * allocation and free functions that the user provides. + * If fpMalloc or fpFree are NULL, then the default + * allocation and free functions will be used. + */ + rm_parser* rm_parser_create2(void* pError, + rm_error_func_ptr fpError, + void* pMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* + * rm_parser_init_stdio + * + * Users would call this is they wanted to use stdio. This file + * would need to already be fopen()'d and would need to be fclose()'d + * after the library was finished. The parsing library would only + * call fread(), fseek(), and perhaps ftell() on it. + */ + HX_RESULT rm_parser_init_stdio(rm_parser* pParser, + FILE* fp); + + /* + * rm_parser_init_io + * + * If the user didn't want to use stdio, they would call + * this function to set up their own I/O. + */ + HX_RESULT rm_parser_init_io(rm_parser* pParser, + void* pUserRead, + rm_read_func_ptr fpRead, + rm_seek_func_ptr fpSeek); + + /* + * rm_parser_read_headers + * + * This function reads all the headers at the beginning + * of an .rm file. After this function is called, + * then the rm_get_xxx accessor functions can be + * called to get information about the file as a whole. + */ + HX_RESULT rm_parser_read_headers(rm_parser* pParser); + + /* + * File Info Accessor functions + * + * The most commonly-used properties of an .rm file can + * be accessed via the rm_parser_get_xxx accessor functions + * below. These functions return information about the .rm file as + * a whole, as opposed to stream header properties, which give + * information about a particular stream (i.e. - audio stream + * or video stream). + * + * For the title meta-data, the user can determine if this information + * is present by calling rm_parser_get_title_length(). This length + * is the length in bytes of the string INCLUDING the null + * terminator. If the title meta-data IS present, then the user + * can get read-only access to the title by calling rm_parser_get_title(). + * The user must not alter the memory that is returned; otherwise undefined + * behavior will result. + * + * The same applies for author, copyright, and comment meta-data. + */ + UINT32 rm_parser_get_max_bit_rate(rm_parser* pParser); + UINT32 rm_parser_get_avg_bit_rate(rm_parser* pParser); + UINT32 rm_parser_get_max_packet_size(rm_parser* pParser); + UINT32 rm_parser_get_avg_packet_size(rm_parser* pParser); + UINT32 rm_parser_get_num_packets(rm_parser* pParser); + UINT32 rm_parser_get_duration(rm_parser* pParser); + UINT32 rm_parser_get_preroll(rm_parser* pParser); + const char* rm_parser_get_title(rm_parser* pParser); + const char* rm_parser_get_author(rm_parser* pParser); + const char* rm_parser_get_copyright(rm_parser* pParser); + const char* rm_parser_get_comment(rm_parser* pParser); + UINT32 rm_parser_get_num_streams(rm_parser* pParser); + UINT32 rm_parser_get_stream_number(rm_parser* pParser, UINT32 ulStreamNum); + + /* + * General file property accessors + * + * The most commonly-used properties of an .rm file + * can be obtained with the rm_parser_get_xxx accessors above. + * Alternatively, all of the file-level properties may + * be obtained as an array of rm_property structs. This + * array will include all of the common-used properties + * above as well as any other properties that may be + * present in the file. + */ + HX_RESULT rm_parser_get_file_properties(rm_parser* pParser, + rm_property** ppProp, + UINT32* pulNumProps); + + /* + * This function destroys an array of properties created + * by either rm_parser_get_file_properties or + * by rm_parser_get_stream_properties. + */ + void rm_parser_destroy_properties(rm_parser* pParser, + rm_property** ppProp, + UINT32* pulNumProps); + + /* + * rm_parser_get_stream_header + * + * This retrieves a stream header from the file. The number + * of stream headers in the file can be found by calling + * rm_get_num_streams(). Stream header properties may + * be obtained by using the accessor functions found + * in rm_stream.h. These accessors cover the most + * commonly used properties. The entire set of properties + * may be retrieved using rm_parser_get_stream_properties(). + */ + HX_RESULT rm_parser_get_stream_header(rm_parser* pParser, + UINT32 ulStreamNum, + rm_stream_header** ppHdr); + + /* + * rm_parser_destroy_stream_header + * + * This function frees any memory associated with + * a stream header obtained by calling rm_parser_get_stream_header(). + */ + void rm_parser_destroy_stream_header(rm_parser* pParser, + rm_stream_header** ppHdr); + + /* + * rm_parser_get_packet + * + * After the headers had been read, the user can repeatedly + * call this function to retrieve packets from the .rm file. + */ + HX_RESULT rm_parser_get_packet(rm_parser* pParser, + rm_packet** ppPacket); + + /* + * rm_parser_destroy_packet + * + * This is called to clean up packets created by + * calls to rm_parser_get_packet(). + */ + void rm_parser_destroy_packet(rm_parser* pParser, + rm_packet** ppPacket); + + /* + * rm_parser_seek + * + * The user can call this function to seek to a + * certain time in the .rm file + */ + HX_RESULT rm_parser_seek(rm_parser* pParser, + UINT32 ulTime); + + /* + * rm_parser_seek + * + * The user can call this function to seek to a + * certain offset in the .rm file + */ + void rm_parser_file_seek(rm_parser* pParser, UINT32 ulOffset); + + /* + * rm_parser_skip + * + * The user can call this function to skip to a + * certain offset from current position + */ + void rm_parser_file_skip(rm_parser* pParser, UINT32 ulOffset); + + /* + * rm_parser_build_seek_table + * + * The user can call this function to build a seek table + * by index in the .rm file + */ + HX_RESULT rm_parser_build_seek_table(rm_parser* pParser); + + /* + * rm_parser_seek_in_seek_table + * + * The user can call this function to seek in the seek table + * to find a certain time in the .rm file + */ + HX_RESULT rm_parser_seek_in_seek_table(rm_parser* pParser, INT32 lStreamNumber, UINT32 ulSeekTime, INT32 lDirection, UINT32* pulFoundTime, UINT32* pulDataOffset, UINT32* pulIndex); + + /* + * rm_parser_destroy + * + * The user calls this to clean up + */ + void rm_parser_destroy(rm_parser** ppParser); + + UINT32 rm_parser_get_data_size(rm_parser* pParser); + UINT32 rm_parser_get_data_offset(rm_parser* pParser); + UINT32 rm_parser_get_index_offset(rm_parser* pParser); + void rm_parser_set_index_offset(rm_parser* pParser, UINT32 offset); + void rm_parser_set_stream(rm_parser** ppParser, UINT32 ulStreamNum); + void rm_parser_set_stream_size(rm_parser* pParser, UINT32 ulStreamSize); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_PARSE_H */ diff --git a/audio_codec/libraac/include/rm_property.h b/audio_codec/libraac/include/rm_property.h new file mode 100644 index 0000000..f27c557 --- a/dev/null +++ b/audio_codec/libraac/include/rm_property.h @@ -0,0 +1,107 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_property.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_PROPERTY_H +#define RM_PROPERTY_H + +#include "helix_types.h" + +#define RM_PROPERTY_TYPE_UINT32 0 +#define RM_PROPERTY_TYPE_BUFFER 1 +#define RM_PROPERTY_TYPE_CSTRING 2 + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* + * Property struct + * + * This struct can hold a UINT32 property, a CString + * property, or a buffer property. The members + * of this struct are as follows: + * + * pName: NULL-terminated string which holds the name + * ulType: This can be either RM_PROPERTY_TYPE_UINT32, + * RM_PROPERTY_TYPE_BUFFER, or RM_PROPERTY_TYPE_CSTRING. + * pValue and ulValueLen: + * 1) For type RM_PROPERTY_TYPE_UINT32, the value is held in + * the pValue pointer itself and ulValueLen is 0. + * 2) For type RM_PROPERTY_TYPE_BUFFER, the value is held in + * the buffer pointed to by pValue and the length of + * the buffer is ulValueLen. + * 3) For type RM_PROPERTY_TYPE_CSTRING, the value is a + * NULL terminated string in pValue. Therefore the pValue + * pointer can be re-cast as a (const char*) and the value + * string read from it. ulValueLen holds a length that + * is AT LEAST strlen((const char*) pValue) + 1. It may + * be more than that, so do not rely on ulValueLen being + * equal to strlen((const char*) pValue) + 1. + */ + + typedef struct rm_property_struct { + char* pName; + UINT32 ulType; + BYTE* pValue; + UINT32 ulValueLen; + } rm_property; + + /* + * rm_property Accessor Functions + * + * Users are strongly encouraged to use these accessor + * functions to retrieve information from the + * rm_property struct, since the definition of rm_property + * may change in the future. + * + * When retrieving the property name, the user should first + * call rm_property_get_name_length() to see that the name + * length is greater than 0. After that, the user can get + * read-only access to the name by calling rm_property_get_name(). + */ + const char* rm_property_get_name(rm_property* prop); + UINT32 rm_property_get_type(rm_property* prop); + UINT32 rm_property_get_value_uint32(rm_property* prop); + const char* rm_property_get_value_cstring(rm_property* prop); + UINT32 rm_property_get_value_buffer_length(rm_property* prop); + BYTE* rm_property_get_value_buffer(rm_property* prop); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_PROPERTY_H */ diff --git a/audio_codec/libraac/include/rm_stream.h b/audio_codec/libraac/include/rm_stream.h new file mode 100644 index 0000000..4728070 --- a/dev/null +++ b/audio_codec/libraac/include/rm_stream.h @@ -0,0 +1,115 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_stream.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_STREAM_H +#define RM_STREAM_H + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_property.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* + * Stream header definition. + * + * Users are strongly encouraged to use the accessor + * functions below to retrieve information from the + * rm_stream_header struct, since the definition + * may change in the future. + */ + typedef struct rm_stream_header_struct { + char* pMimeType; + char* pStreamName; + UINT32 ulStreamNumber; + UINT32 ulMaxBitRate; + UINT32 ulAvgBitRate; + UINT32 ulMaxPacketSize; + UINT32 ulAvgPacketSize; + UINT32 ulDuration; + UINT32 ulPreroll; + UINT32 ulStartTime; + UINT32 ulStartOffset; + UINT32 ulStreamSize; + UINT32 ulOpaqueDataLen; + BYTE* pOpaqueData; + UINT32 ulNumProperties; + rm_property* pProperty; + } rm_stream_header; + + /* + * These are the accessor functions used to retrieve + * information from the stream header + */ + UINT32 rm_stream_get_number(rm_stream_header* hdr); + UINT32 rm_stream_get_max_bit_rate(rm_stream_header* hdr); + UINT32 rm_stream_get_avg_bit_rate(rm_stream_header* hdr); + UINT32 rm_stream_get_max_packet_size(rm_stream_header* hdr); + UINT32 rm_stream_get_avg_packet_size(rm_stream_header* hdr); + UINT32 rm_stream_get_start_time(rm_stream_header* hdr); + UINT32 rm_stream_get_preroll(rm_stream_header* hdr); + UINT32 rm_stream_get_duration(rm_stream_header* hdr); + UINT32 rm_stream_get_data_offset(rm_stream_header* hdr); + UINT32 rm_stream_get_data_size(rm_stream_header* hdr); + const char* rm_stream_get_name(rm_stream_header* hdr); + const char* rm_stream_get_mime_type(rm_stream_header* hdr); + UINT32 rm_stream_get_properties(rm_stream_header* hdr, rm_property** ppProp); + HXBOOL rm_stream_is_realaudio(rm_stream_header* hdr); + HXBOOL rm_stream_is_realvideo(rm_stream_header* hdr); + HXBOOL rm_stream_is_realevent(rm_stream_header* hdr); + HXBOOL rm_stream_is_realaudio_mimetype(const char* pszStr); + HXBOOL rm_stream_is_realvideo_mimetype(const char* pszStr); + HXBOOL rm_stream_is_realevent_mimetype(const char* pszStr); + HXBOOL rm_stream_is_real_mimetype(const char* pszStr); + HX_RESULT rm_stream_get_property_int(rm_stream_header* hdr, + const char* pszStr, + UINT32* pulVal); + HX_RESULT rm_stream_get_property_buf(rm_stream_header* hdr, + const char* pszStr, + BYTE** ppBuf, + UINT32* pulLen); + HX_RESULT rm_stream_get_property_str(rm_stream_header* hdr, + const char* pszStr, + char** ppszStr); + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_STREAM_H */ diff --git a/audio_codec/libraac/include/rm_stream_internal.h b/audio_codec/libraac/include/rm_stream_internal.h new file mode 100644 index 0000000..52c26aa --- a/dev/null +++ b/audio_codec/libraac/include/rm_stream_internal.h @@ -0,0 +1,77 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_stream_internal.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_STREAM_INTERNAL_H +#define RM_STREAM_INTERNAL_H + +#include "helix_types.h" +#include "rm_property.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* + * Internal stream header struct + * + * The public definition of rm_stream_header + * is void - opaque to the user. Properties of the + * stream header are accessed via accessor functions + * by the user. + */ + typedef struct rm_stream_header_internal_struct { + char* pMimeType; + char* pStreamName; + UINT32 ulStreamNumber; + UINT32 ulMaxBitRate; + UINT32 ulAvgBitRate; + UINT32 ulMaxPacketSize; + UINT32 ulAvgPacketSize; + UINT32 ulDuration; + UINT32 ulPreroll; + UINT32 ulStartTime; + UINT32 ulOpaqueDataLen; + BYTE* pOpaqueData; + UINT32 ulNumProperties; + rm_property* pProperty; + } rm_stream_header_internal; + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RM_STREAM_INTERNAL_H */ diff --git a/audio_codec/libraac/include/rv20backend.h b/audio_codec/libraac/include/rv20backend.h new file mode 100644 index 0000000..34afdef --- a/dev/null +++ b/audio_codec/libraac/include/rv20backend.h @@ -0,0 +1,69 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv20backend.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV20BACKEND_H__ +#define RV20BACKEND_H__ + +#include "helix_types.h" +#include "helix_result.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + //HX_RESULT _RV20toYUV420CustomMessage(UINT32 *msg_id, void *global); + HX_RESULT _RV20toYUV420CustomMessage(void *msg_id, void *global); + + HX_RESULT _RV20toYUV420HiveMessage(UINT32 *msg_id, void *global); + + HX_RESULT _RV20toYUV420Transform( + UCHAR *pRV10Packets, + UCHAR *pDecodedFrameBuffer, + void *pInputParams, + void *pOutputParams, + void *global + ); + + HX_RESULT _RV20toYUV420Free(void *global); + + HX_RESULT _RV20toYUV420Init(void *prv10Init, void **decoderState); + +#ifdef __cplusplus +} +#endif + +#endif /* RV20BACKEND_H__ */ diff --git a/audio_codec/libraac/include/rv30backend.h b/audio_codec/libraac/include/rv30backend.h new file mode 100644 index 0000000..a882ba0 --- a/dev/null +++ b/audio_codec/libraac/include/rv30backend.h @@ -0,0 +1,68 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv30backend.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV30BACKEND_H__ +#define RV30BACKEND_H__ + +#include "helix_types.h" +#include "helix_result.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + HX_RESULT _RV40toYUV420CustomMessage(UINT32 *msg_id, void *global); + + HX_RESULT _RV40toYUV420HiveMessage(UINT32 *msg_id, void *global); + + HX_RESULT _RV40toYUV420Transform( + UCHAR *pRV20Packets, + UCHAR *pDecodedFrameBuffer, + void *pInputParams, + void *pOutputParams, + void *global + ); + + HX_RESULT _RV40toYUV420Free(void *global); + + HX_RESULT _RV40toYUV420Init(void *prv10Init, void **decoderState); + +#ifdef __cplusplus +} +#endif + +#endif /* RV30BACKEND_H__ */ diff --git a/audio_codec/libraac/include/rv_backend.h b/audio_codec/libraac/include/rv_backend.h new file mode 100644 index 0000000..992306a --- a/dev/null +++ b/audio_codec/libraac/include/rv_backend.h @@ -0,0 +1,84 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_backend.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_BACKEND_H__ +#define RV_BACKEND_H__ + +/* Unified RealVideo decoder backend interface */ + +#include "helix_types.h" +#include "helix_result.h" +#include "rv_format_info.h" +#include "rv_backend_types.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* rv decoder backend interface */ + + typedef HX_RESULT(*rv_backend_init_fp)(void *prv10Init, + void **global); + typedef HX_RESULT(*rv_backend_decode_fp)(UCHAR *pRV10Packets, + UCHAR *pDecodedFrameBuffer, + void *pInputParams, + void *pOutputParams, + void *global); + typedef HX_RESULT(*rv_backend_custom_message_fp)(UINT32 *msg_id, + void *global); + typedef HX_RESULT(*rv_backend_hive_message_fp)(UINT32 *msg, + void *global); + typedef HX_RESULT(*rv_backend_free_fp)(void* global); + + + /* The rv_backend struct contains the RealVideo decoder backend + * function pointers. */ + + typedef struct rv_backend_struct { + rv_backend_init_fp fpInit; + rv_backend_decode_fp fpDecode; + rv_backend_custom_message_fp fpCustomMessage; + rv_backend_hive_message_fp fpHiveMessage; + rv_backend_free_fp fpFree; + } rv_backend; + + +#ifdef __cplusplus +} +#endif + +#endif /* RV_BACKEND_H__ */ diff --git a/audio_codec/libraac/include/rv_backend_types.h b/audio_codec/libraac/include/rv_backend_types.h new file mode 100644 index 0000000..0655d15 --- a/dev/null +++ b/audio_codec/libraac/include/rv_backend_types.h @@ -0,0 +1,198 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_backend_types.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_BACKEND_TYPES_H +#define RV_BACKEND_TYPES_H + +#include "rv_format_info.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + typedef struct rv_backend_init_params_struct { + UINT16 usOuttype; + UINT16 usPels; + UINT16 usLines; + UINT16 usPadWidth; /* number of columns of padding on right to get 16 x 16 block*/ + UINT16 usPadHeight; /* number of rows of padding on bottom to get 16 x 16 block*/ + + UINT16 pad_to_32; /* to keep struct member alignment independent of */ + /* compiler options */ + UINT32 ulInvariants; + /* ulInvariants specifies the invariant picture header bits */ + INT32 bPacketization; + UINT32 ulStreamVersion; + } rv_backend_init_params; + + typedef struct rv_backend_in_params_struct { + UINT32 dataLength; + INT32 bInterpolateImage; + UINT32 numDataSegments; + rv_segment *pDataSegments; + UINT32 flags; + /* 'flags' should be initialized by the front-end before each */ + /* invocation to decompress a frame. It is not updated by the decoder. */ + /* */ + /* If it contains RV_DECODE_MORE_FRAMES, it informs the decoder */ + /* that it is being called to extract the second or subsequent */ + /* frame that the decoder is emitting for a given input frame. */ + /* The front-end should set this only in response to seeing */ + /* an RV_DECODE_MORE_FRAMES indication in H263DecoderOutParams. */ + /* */ + /* If it contains RV_DECODE_DONT_DRAW, it informs the decoder */ + /* that it should decode the image (in order to produce a valid */ + /* reference frame for subsequent decoding), but that no image */ + /* should be returned. This provides a "hurry-up" mechanism. */ + UINT32 timestamp; + } rv_backend_in_params; + + typedef struct rv_backend_out_params_struct { + UINT32 numFrames; + UINT32 notes; + /* 'notes' is assigned by the transform function during each call to */ + /* decompress a frame. If upon return the notes parameter contains */ + /* the indication RV_DECODE_MORE_FRAMES, then the front-end */ + /* should invoke the decoder again to decompress the same image. */ + /* For this additional invocation, the front-end should first set */ + /* the RV_DECODE_MORE_FRAMES bit in the 'H263DecoderInParams.flags' */ + /* member, to indicate to the decoder that it is being invoked to */ + /* extract the next frame. */ + /* The front-end should continue invoking the decoder until the */ + /* RV_DECODE_MORE_FRAMES bit is not set in the 'notes' member. */ + /* For each invocation to decompress a frame in the same "MORE_FRAMES" */ + /* loop, the front-end should send in the same input image. */ + /* */ + /* If the decoder has no frames to return for display, 'numFrames' will */ + /* be set to zero. To avoid redundancy, the decoder does *not* set */ + /* the RV_DECODE_DONT_DRAW bit in 'notes' in this case. */ + + + UINT32 timestamp; + /* The 'temporal_offset' parameter is used in conjunction with the */ + /* RV_DECODE_MORE_FRAMES note, to assist the front-end in */ + /* determining when to display each returned frame. */ + /* If the decoder sets this to T upon return, the front-end should */ + /* attempt to display the returned image T milliseconds relative to */ + /* the front-end's idea of the presentation time corresponding to */ + /* the input image. */ + /* Be aware that this is a signed value, and will typically be */ + /* negative. */ + + UINT32 width; + UINT32 height; + /* Width and height of the returned frame. */ + /* This is the width and the height as signalled in the bitstream. */ + + } rv_backend_out_params; + + + /* definitions for output parameter notes */ + +#define RV_DECODE_MORE_FRAMES 0x00000001 +#define RV_DECODE_DONT_DRAW 0x00000002 +#define RV_DECODE_KEY_FRAME 0x00000004 + /* Indicates that the decompressed image is a key frame. */ + /* Note that enhancement layer EI frames are not key frames, in the */ + /* traditional sense, because they have dependencies on lower layer */ + /* frames. */ + +#define RV_DECODE_B_FRAME 0x00000008 + /* Indicates that the decompressed image is a B frame. */ + /* At most one of PIA_DDN_KEY_FRAME and PIA_DDN_B_FRAME will be set. */ + +#define RV_DECODE_DEBLOCKING_FILTER 0x00000010 + /* Indicates that the returned frame has gone through the */ + /* deblocking filter. */ + +#define RV_DECODE_FRU_FRAME 0x00000020 + /* Indicates that the decompressed image is a B frame. */ + /* At most one of PIA_DDN_KEY_FRAME and PIA_DDN_B_FRAME will be set. */ + +#define RV_DECODE_SCRAMBLED_BUFFER 0x00000040 + /* Indicates that the input buffer is scrambled for security */ + /* decoder should de-scramble the buffer before use it */ + +#define RV_DECODE_LAST_FRAME 0x00000200 + /* Indicates that the accompanying input frame is the last in the */ + /* current sequence. If input frame is a dummy frame, the decoder */ + /* flushes the latency frame to the output. */ + + /* definitions for decoding opaque data in bitstream header */ + /* Defines match ilvcmsg.h so that ulSPOExtra == rv10init.invariants */ +#define RV40_SPO_FLAG_UNRESTRICTEDMV 0x00000001 /* ANNEX D */ +#define RV40_SPO_FLAG_EXTENDMVRANGE 0x00000002 /* IMPLIES NEW VLC TABLES */ +#define RV40_SPO_FLAG_ADVMOTIONPRED 0x00000004 /* ANNEX F */ +#define RV40_SPO_FLAG_ADVINTRA 0x00000008 /* ANNEX I */ +#define RV40_SPO_FLAG_INLOOPDEBLOCK 0x00000010 /* ANNEX J */ +#define RV40_SPO_FLAG_SLICEMODE 0x00000020 /* ANNEX K */ +#define RV40_SPO_FLAG_SLICESHAPE 0x00000040 /* 0: free running; 1: rect */ +#define RV40_SPO_FLAG_SLICEORDER 0x00000080 /* 0: sequential; 1: arbitrary */ +#define RV40_SPO_FLAG_REFPICTSELECTION 0x00000100 /* ANNEX N */ +#define RV40_SPO_FLAG_INDEPENDSEGMENT 0x00000200 /* ANNEX R */ +#define RV40_SPO_FLAG_ALTVLCTAB 0x00000400 /* ANNEX S */ +#define RV40_SPO_FLAG_MODCHROMAQUANT 0x00000800 /* ANNEX T */ +#define RV40_SPO_FLAG_BFRAMES 0x00001000 /* SETS DECODE PHASE */ +#define RV40_SPO_BITS_DEBLOCK_STRENGTH 0x0000e000 /* deblocking strength */ +#define RV40_SPO_BITS_NUMRESAMPLE_IMAGES 0x00070000 /* max of 8 RPR images sizes */ +#define RV40_SPO_FLAG_FRUFLAG 0x00080000 /* FRU BOOL: if 1 then OFF; */ +#define RV40_SPO_FLAG_FLIP_FLIP_INTL 0x00100000 /* FLIP-FLOP interlacing; */ +#define RV40_SPO_FLAG_INTERLACE 0x00200000 /* de-interlacing prefilter has been applied; */ +#define RV40_SPO_FLAG_MULTIPASS 0x00400000 /* encoded with multipass; */ +#define RV40_SPO_FLAG_INV_TELECINE 0x00800000 /* inverse-telecine prefilter has been applied; */ +#define RV40_SPO_FLAG_VBR_ENCODE 0x01000000 /* encoded using VBR; */ +#define RV40_SPO_BITS_DEBLOCK_SHIFT 13 +#define RV40_SPO_BITS_NUMRESAMPLE_IMAGES_SHIFT 16 + +#define OUT_OF_DATE_DECODER 0x00000001 +#define OK_VERSION 0x00000000 + +#define CORRUPTED_BITSTREAM 0x00 +#define OK_DECODE 0x0f +#define INCOMPLETE_FRAME 0xffff +#define MALLOC_FAILURE 0x1111 + +#define RV10_DITHER_PARAMS 0x00001001 +#define RV10_POSTFILTER_PARAMS 0x00001002 +#define RV10_ADVANCED_MP_PARAMS 0x0001003 +#define RV10_TEMPORALINTERP_PARAMS 0x00001004 + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* RV_BACKEND_TYPES_H */ diff --git a/audio_codec/libraac/include/rv_decode.h b/audio_codec/libraac/include/rv_decode.h new file mode 100644 index 0000000..6d9c0d9 --- a/dev/null +++ b/audio_codec/libraac/include/rv_decode.h @@ -0,0 +1,208 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_decode.h,v 1.1.1.1.2.2 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_DECODE_H__ +#define RV_DECODE_H__ + +/* Simple unified decoder frontend for RealVideo */ + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "rm_error.h" +#include "rv_format_info.h" +#include "rv_decode_message.h" +#include "rv_backend.h" +#include "rv_backend_types.h" + +#ifdef __cplusplus +extern "C" { +#endif + + /* The rv_decode struct contains the RealVideo decoder frontend + * state variables and backend instance pointer. */ + + typedef struct rv_decode_struct { + rm_error_func_ptr fpError; + /* User defined error function. */ + + void* pUserError; + /* User defined parameter for error function. */ + + rm_malloc_func_ptr fpMalloc; + /* User defined malloc function. */ + + rm_free_func_ptr fpFree; + /* User defined free function. */ + + void* pUserMem; + /* User defined parameter for malloc and free functions. */ + + UINT32 ulSPOExtra; + /* The SPO Extra bits. Opaque data appended to bitstream header. */ + + UINT32 ulStreamVersion; + /* The stream version. Opaque data following the SPO Extra bits. */ + + UINT32 ulMajorBitstreamVersion; + /* The major bitstream version. Indicates RV7, RV8, RV9, etc. */ + + UINT32 ulMinorBitstreamVersion; + /* The minor bitstream version. Indicates minor revision or RAW. */ + + UINT32 ulNumResampledImageSizes; + /* The number of RPR sizes. Optional RV7 and RV8 opaque data. */ + + UINT32 ulEncodeSize; + /* The maximum encoded frame dimensions. Optional RV9 opaque data.*/ + + UINT32 ulLargestPels; + /* The maximum encoded frame width. */ + + UINT32 ulLargestLines; + /* The maximum encoded frame height. */ + + UINT32 pDimensions[2 * (8 + 1)]; + /* Table of encoded dimensions, including RPR sizes. */ + + UINT32 ulOutSize; + /* The maximum size of the output frame in bytes. */ + + UINT32 ulECCMask; + /* Mask for identifying ECC packets. */ + + UINT32 bInputFrameIsReference; + /* Identifies whether input frame is a key frame or not. */ + + UINT32 ulInputFrameQuant; + /* The input frame quantization parameter. */ + + rv_format_info *pBitstreamHeader; + /* The bitstream header. */ + + rv_frame *pInputFrame; + /* Pointer to the input frame struct. */ + + void *pDecodeState; + /* Pointer to decoder backend state. */ + + rv_backend *pDecode; + /* Decoder backend function pointers. */ + + rv_backend_init_params pInitParams; + /* Initialization parameters for the decoder backend. */ + + rv_backend_in_params pInputParams; + /* The decoder backend input parameter struct. */ + + rv_backend_out_params pOutputParams; + /* The decoder backend output parameter struct. */ + + } rv_decode; + + /* rv_decode_create() + * Creates RV decoder frontend struct, copies memory utilities. + * Returns struct pointer on success, NULL on failure. */ + rv_decode* rv_decode_create(void* pUserError, rm_error_func_ptr fpError); + + rv_decode* rv_decode_create2(void* pUserError, rm_error_func_ptr fpError, + void* pUserMem, rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* rv_decode_destroy() + * Deletes decoder backend instance, followed by frontend. */ + void rv_decode_destroy(rv_decode* pFrontEnd); + + /* rv_decode_init() + * Reads bitstream header, selects and initializes decoder backend. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT rv_decode_init(rv_decode* pFrontEnd, rv_format_info* pHeader); + + /* rv_decode_stream_input() + * Reads frame header and fills decoder input parameters struct. If there + * is packet loss and ECC packets exist, error correction is attempted. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT rv_decode_stream_input(rv_decode* pFrontEnd, rv_frame* pFrame); + + /* rv_decode_stream_decode() + * Calls decoder backend to decode issued frame and produce an output frame. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT rv_decode_stream_decode(rv_decode* pFrontEnd, UINT8* pOutput); + + /* rv_decode_stream_flush() + * Flushes the latency frame from the decoder backend after the last frame + * is delivered and decoded before a pause or the end-of-file. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT rv_decode_stream_flush(rv_decode* pFrontEnd, UINT8* pOutput); + + /* rv_decode_custom_message() + * Sends a custom message to the decoder backend. + * Returns zero on success, negative result indicates failure. */ + HX_RESULT rv_decode_custom_message(rv_decode* pFrontEnd, RV_Custom_Message_ID *pMsg_id); + + + /**************** Accessor Functions *******************/ + /* rv_decode_max_output_size() + * Returns maximum size of YUV 4:2:0 output buffer in bytes. */ + UINT32 rv_decode_max_output_size(rv_decode* pFrontEnd); + + /* rv_decode_get_output_size() + * Returns size of most recent YUV 4:2:0 output buffer in bytes. */ + UINT32 rv_decode_get_output_size(rv_decode* pFrontEnd); + + /* rv_decode_get_output_dimensions() + * Returns width and height of most recent YUV output buffer. */ + HX_RESULT rv_decode_get_output_dimensions(rv_decode* pFrontEnd, UINT32* pWidth, + UINT32* pHeight); + + /* rv_decode_frame_valid() + * Checks decoder output parameters to see there is a valid output frame. + * Returns non-zero value if a valid output frame exists, else zero. */ + UINT32 rv_decode_frame_valid(rv_decode* pFrontEnd); + + /* rv_decode_more_frames() + * Checks decoder output parameters to see if more output frames can be + * produced without additional input frames. + * Returns non-zero value if more frames can be + * produced without additional input, else zero. */ + UINT32 rv_decode_more_frames(rv_decode* pFrontEnd); + +#ifdef __cplusplus +} +#endif + +#endif /* RV_DECODE_H__ */ diff --git a/audio_codec/libraac/include/rv_decode_message.h b/audio_codec/libraac/include/rv_decode_message.h new file mode 100644 index 0000000..63d5e6e --- a/dev/null +++ b/audio_codec/libraac/include/rv_decode_message.h @@ -0,0 +1,492 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_decode_message.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_DECODE_MESSAGE_H +#define RV_DECODE_MESSAGE_H + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* Define CPU scalability constants. Though these values range from */ + /* 0 to 100, they are *not* intended to indicate a CPU utilization percentage. */ + +#define CPU_Scalability_Maximum 100 + /* Maximum value for CPU usage setting: */ + /* no shortcuts taken, best possible quality at the cost of higher */ + /* CPU usage. This value is typically used for "off-line" compression. */ + +#define CPU_Scalability_Minimum 0 + /* Minimum value for CPU usage setting: */ + /* all implemented shortcuts taken, reduced CPU usage at the cost */ + /* of reduced video quality. */ + +#define CPU_Scalability_Default 50 + /* Default value for CPU usage setting: */ + /* this represents the normal mode of operation and is equivalent */ + /* to previously not choosing a CPU usage setting. */ + +#define RV89COMBO_MSG_ID_Decoder_CPU_Scalability 2002 + /* Allows for the setting and getting of the decoders CPU scalability parameter */ + + /* */ + /* Define formats for representing custom codec messages. */ + /* Custom codec messages have semantics unknown to the HIVE/RV layer. */ + /* The messages are defined by the underlying codec, and typically documented */ + /* for use by applications. */ + /* */ + + /* RV_Custom_Message_ID identifies a specific custom message. These */ + /* identifiers are not guaranteed to be unique among different codecs. */ + /* Thus an application using such messages, must have knowledge regarding */ + /* which codec is being used, and what custom messages it supports. */ + /* A codec will typically distribute a header file that defines its */ + /* custom messages. */ + /* */ + /* Specific custom messages will be passed into a codec via a structure whose */ + /* first member is a RV_Custom_Message_ID, and additional parameters */ + /* understood by the application and the codec. The size of each such */ + /* custom message structure is variable, depending on the specific message id. */ + /* Messages that require no values other than a message id, can be indicated */ + /* by using the RV_Custom_Message_ID as is. For such messages, there is no */ + /* need to wrap the message id within another structure. */ + + typedef UINT32 RV_Custom_Message_ID; + + /* RV_MSG_Simple is a structure used to pass custom messages which */ + /* take one or two 32-bit values. The "message_id" member identifies a */ + /* particular message, and the "value1" and "value2" members specify the */ + /* 32-bit values. The interpretation of the values depends on the message id. */ + /* They could be simple booleans (zero or non-zero), or arbitrary integers. */ + /* Some messages will use only value1, and not value2. */ + + typedef struct { + + RV_Custom_Message_ID message_id; + + INT32 value1; + INT32 value2; + + } RV_MSG_Simple; + + + /* The RV_MSG_DISABLE, RV_MSG_ENABLE and RV_MSG_GET values may be used as */ + /* controls when manipulating boolean-valued custom messages. Typically, */ + /* such messages will employ the RV_MSG_Simple structure. The message_id */ + /* will identify a boolean-valued option being manipulated. The "value1" */ + /* member will be set to one of RV_MSG_DISABLE, RV_MSG_ENABLE or RV_MSG_GET. */ + /* Depending on the message id, "value2" may specify additional information */ + /* such as a layer number for scalable video sequences. */ + /* */ + /* When value1 is RV_MSG_DISABLE or RV_MSG_ENABLE, the specified option */ + /* will be disabled or enabled, respectively. */ + /* When value1 is RV_MSG_GET, the current setting for the option (zero for */ + /* disabled and non-zero for enabled) will be returned in "value2". */ + +#define RV_MSG_DISABLE 0 +#define RV_MSG_ENABLE 1 +#define RV_MSG_GET 2 + + /* The RV_MSG_SET control, along with RV_MSG_GET, provide an alternative */ + /* way in which custom messages might use the RV_MSG_Simple structure. */ + /* When value1 is RV_MSG_SET, value2 indicates the value which is being */ + /* applied. The message_id provides the context to which value2 applies. */ + /* Again, refer to the documentation describing each custom message to see */ + /* if it uses RV_MSG_GET and RV_MSG_SET, or if it uses RV_MSG_DISABLE, */ + /* RV_MSG_ENABLE and RV_MSG_GET. */ + +#define RV_MSG_SET 3 + + + + + + /* Decoder postfilters: */ + /* - the smoothing postfilter is designed to remove general compression */ + /* artifacts, mosquito noise, and ringing noise. */ + /* - the annex J deblocking filter when used as a postfilter (annex J */ + /* not encoded in bitstream), removes blocking artifacts (block */ + /* edges) almost as efficiently as when used in-the-loop, i.e. encoded */ + /* in bitstream. */ + /* For the most video quality improvement, both filters should be used. */ + /* However, each filter takes up a certain amount of CPU cycles, and */ + /* for large formats, it may be too computationally expensive to use */ + /* both. */ + /* These filters are more effective, the lower the bitrate. */ + + /* */ + /* Define a custom decoder message for enabling the smoothing postfilter. */ + /* */ + /* This message must be sent with the RV_MSG_Simple structure. */ + /* Its value1 member should be RV_MSG_DISABLE, RV_MSG_ENABLE or RV_MSG_GET. */ + /* Its value2 is only used for RV_MSG_GET, in which case it is used to */ + /* return the current setting. */ + /* */ +#define RV_MSG_ID_Smoothing_Postfilter 17 + + /* Define a decoder message that helps the decoder determine when to display */ + /* frames. */ + /* */ + /* The SNR, spatial and temporal scalability features of H.263+ Annex O */ + /* have the property that frames are received at the decoder out of order, */ + /* or that multiple frames (enhancement layers) are received at the decoder */ + /* yet only one of these frames should be displayed. */ + /* */ + /* In the absence of apriori knowledge regarding the video sequence it is */ + /* going to receive, an H.263+ decoder might not know when it is okay to */ + /* go ahead and display a picture it has just decoded. */ + /* */ + /* To help solve this problem, the ILVC decoder can operate in two modes. */ + /* The first and default mode is termed "no latency". In this scenario, */ + /* the decoder assumes it will not be receiving B frames nor enhancement */ + /* layers. The decoder will decode and display the very first frame it sees. */ + /* If the decoder encounters any B frames or enhancement layers, it then */ + /* goes into latency mode (described below). When B frames or enhancement */ + /* layers are present under latency mode, some of these frame types will */ + /* not be displayed by the decoder at the beginning of a video sequence. */ + /* This is because the decoder either already displayed a frame for the */ + /* same temporal reference point, or because the decoder no longer has */ + /* the appropriate reference frames from which to decode a B frame. */ + /* */ + /* Under latency mode, the decoder will generally not display a decoded frame, */ + /* until it has detected that no enhancement layer frames or dependent */ + /* B frames will be coming. This detection usually occurs when a subsequent */ + /* non-B frame is encountered. This mode has the advantage that no frames */ + /* will be dropped at the beginning of a sequence. The disadvantage is that */ + /* a latency of one or more temporal references is introduced before a frame */ + /* is displayed. */ + /* */ + /* This message must be sent with the RV_MSG_Simple structure. */ + /* Its value1 member should be RV_MSG_DISABLE, RV_MSG_ENABLE or RV_MSG_GET. */ + /* For RV_MSG_GET, the current setting is returned in value2. */ + +#define RV_MSG_ID_Latency_Display_Mode 21 + + + + /* */ + /* Define a custom decoder message that enables/disables the error */ + /* concealment in the decoder. */ + /* */ + /* This message must be sent with the RV_MSG_Simple structure. */ + /* Its value1 member should be RV_MSG_DISABLE, RV_MSG_ENABLE or RV_MSG_GET. */ + /* Its value2 is only used for RV_MSG_GET, in which case it is used to */ + /* return the current setting. */ + /* */ +#define RV_MSG_ID_Error_Concealment 23 + + + /* #define RV_MSG_ID_* = 24; */ + /* // Obsolete, do not use 24. */ + /* #define RV_MSG_ID_* = 25; */ + /* // Obsolete, do not use 25. */ + + /* */ + /* Define a custom decoder message to be used when decoding a non-compliant */ + /* H.263+ bitstream, that informs the decoder about information which is */ + /* normally gleaned from parsing the picture header. In this scenario, the */ + /* encoder is generating a bitstream having a lean and mean picture header. */ + /* The invariant picture header contents are sent over the wire only once, */ + /* prior to streaming any bitstreams. */ + /* */ +#define RV_MSG_ID_Set_Picture_Header_Invariants 26 + /* */ + /* This message must be sent with the RV_MSG_Simple structure. */ + /* Its value1 member is interpreted as a bit mask, described below. */ + /* Its value2 member is not used. */ + /* */ + /* The following bits should be set or cleared, as appropriate, to indicate */ + /* which codec options will be enabled or disabled for the video sequence. */ + /* If any of these change, then the changes should be communicated to the */ + /* decoder via this custom message prior to it seeing any input frames */ + /* having the new state. */ + /* */ + + +#define RV_MSG_SPHI_Slice_Structured_Mode 0x20 + + + /* */ + /* Define messages that are used with the RealVideo bitstream, */ + /* to communicate the locations of slice boundaries between the front-end */ + /* codec and the back-end encoder or decoder. */ + /* */ + + typedef struct { + UINT32 is_valid; + UINT32 offset; + } RV_Segment_Info; + /* The RV_Segment_Info structure *MUST* be structurally equivalent */ + /* to the PNCODEC_SEGMENTINFO structure defined in the RealVideo */ + /* front-end. Typically an array of these structures is allocated, */ + /* with each element describing one slice in a compressed bit stream. */ + /* For the output of an encoder, is_valid is always true. 'offset' */ + /* indicates the offset of a slice within an associated bitstream. */ + /* The first slice is at offset 0. */ + + typedef struct { + RV_Custom_Message_ID message_id; + /* message_id must be RV_MSG_ID_Get_Encode_Segment_Info */ + /* or RV_MSG_ID_Set_Decode_Segment_Info. */ + + UINT32 number_of_segments; + + RV_Segment_Info *segment_info; + } RV_Segment_Info_MSG; + + +#define RV_MSG_ID_Set_Decode_Segment_Info 28 + /* This message, sent with the RV_Segment_Info_MSG structure, is used */ + /* to specify slice information to the decoder just prior to decoding */ + /* a bitstream. */ + /* number_of_segments should be set to one less than the number of */ + /* slices in the frame about to be decoded. */ + /* segment_info should point to an array of RV_Segment_Info */ + /* structures, which point to the slice offsets of the bitstream */ + /* that will be decoded next. */ + + + + /* */ + /* Define a custom decoder message for setting the smoothing postfilter's */ + /* strength. The strength ranges from 0 to RV_Maximum_Smoothing_Strength, */ + /* inclusive. */ + /* */ + /* This message must be sent with the RV_MSG_Simple structure. */ + /* Its value1 member should be RV_MSG_SET or RV_MSG_GET. */ + /* For RV_MSG_SET, value2 should be assigned the desired strength setting. */ + /* For RV_MSG_GET, value2 is assigned upon return to the current strength */ + /* setting. */ + /* */ +#define RV_MSG_ID_Smoothing_Strength 30 + +#define RV_Maximum_Smoothing_Strength 3 +#define RV_Default_Smoothing_Strength 1 + + + + /* Define a message to set the number of sizes, as well as the list of sizes */ + /* that are to be used for RealVideo-style RPR */ + /* This information is transmitted in the SPO (once). The front-end uses */ + /* the RV_MSG_ID_Set_RVDecoder_RPR_Data to communicate this information */ + /* to the back-end. Then, if num_sizes != 0, the back-end will read the */ + /* following information from the slice header: */ + /* .. */ + /* [TR (as before)] */ + /* if num_sizes != 0 */ + /* PCTSZ = getbits(log2(num_sizes)) */ + /* [MBA (as before)] */ + /* .. */ + + +#define RV_MSG_ID_Set_RVDecoder_RPR_Sizes 36 + + typedef struct { + + RV_Custom_Message_ID message_id; + /* message_id must be RV_MSG_ID_Set_RVDecoder_RPR_Sizes. */ + + UINT32 num_sizes; + /* The number of sizes to be used (switched between). */ + /* This number should include the original image size. */ + /* The maximum number of sizes is currently limited to 8. */ + + + UINT32 *sizes; + /* Pointer to array of image sizes. The array should have the */ + /* following format: */ + /* for (i = 0; i < num_sizes; i++) { */ + /* UINT32 horizontal_size[i] */ + /* UINT32 vertical_size[i] */ + /* } */ + /* This array should include the original image size */ + /* The order of sizes is not important. The decoder will */ + /* use PCTSZ as an index to look up in the array: */ + /* new_width = horizontal_size[PCTSZ] */ + /* new_height = vertical_size[PCTSZ] */ + + } RV_MSG_RVDecoder_RPR_Sizes; + + + + + /* Define a custom message to obtain timings for parts of the decode */ + /* For now, only the smoothing filte is interesting. */ + /* More could be added later */ + +#define RV_MSG_ID_Get_Decoder_Timings 42 + typedef struct { + + RV_Custom_Message_ID message_id; + + double smoothing_time; + double fru_time; + } RV_MSG_Get_Decoder_Timings; + + + /* */ + /* Define a custom message to set the video surface hardware */ + /* allocator and its properties */ + +#define RV_MSG_ID_Hw_Video_Memory 43 + /* */ + /* This message must be sent with the RV_MSG_Simple structure. */ + /* Its value1 member should be RV_MSG_DISABLE, RV_MSG_ENABLE or RV_MSG_GET. */ + /* For RV_MSG_GET, the current number of frame buffers is returned in value2, */ + /* and RV_MSG_ENABLE or RV_MSG_DISABLE returned in value1 */ + + + /* */ + /* Define a custom message to perform postfiltering into video */ + /* memory */ + /* */ +#define RV_MSG_ID_PostfilterFrame 44 + typedef struct { + + RV_Custom_Message_ID message_id; + UINT8 * data; + UINT8 * dest_buffer; + UINT32 dest_pitch; + INT32 cid_dest_color_format; + UINT32 flags; + } RV_MSG_PostfilterFrame; + + + + /* */ + /* Define a custom message to release frame from video */ + /* memory. */ + /* 'data' is a pointer to a DecodedFrame structure */ + /* */ + +#define RV_MSG_ID_ReleaseFrame 45 + typedef struct { + + RV_Custom_Message_ID message_id; + UINT8 * data; + } RV_MSG_ReleaseFrame; + + + /* */ + /* Define a custom message to retrieve latest DecodedFrame data */ + /* */ +#define RV_MSG_ID_RetrieveFrame 46 + typedef struct { + + RV_Custom_Message_ID message_id; + void * frame; + } RV_MSG_RetrieveFrame; + + + /* */ + /* Define a custom message to set the relied callback function */ + /* that is the function to be called in the renderer in case */ + /* it needs to blit (flip) a frame */ + /* */ + +#define RV_MSG_ID_SetReliefCallback 48 + typedef struct { + + RV_Custom_Message_ID message_id; + void * cmtm; + /* pointer to PN_CMTM struct (pncodec.h) */ + } RV_MSG_SetReliefCallback; + + /* */ + /* Define a custom message that enables/disables FRU */ + /* */ +#define RV_MSG_ID_Frame_Rate_Upsampling 49 + + + + /* */ + /* Define a custom message to get CPU performance counters from the decoder. */ + /* */ +#define RV_MSG_ID_Get_Decoder_Performance_Counters 52 + + typedef struct { + RV_Custom_Message_ID message_id; + UINT32 uNumCounters; + UINT32 *pCounters; + } RV_MSG_Get_Decoder_Performance_Counters; + + + /* */ + /* Define a custom message to enable and disable multithreading in the decoder */ + /* */ +#define RV_MSG_ID_Decoder_Multi_Threading 54 + + /* */ + /* Define a custom message to enable decoding of beta streams with multiple threads */ + /* */ +#define RV_MSG_ID_Decoder_Beta_Stream 55 + + /* */ + /* Define a custom message to signal RV8 bitstream */ + /* */ +#define RV_MSG_ID_RealVideo8 56 + + /* */ + /* Define a custom message to retrieve latest DecodedFrame data */ + /* */ +#define RV_MSG_ID_RetrieveFrameData 57 + typedef struct { + + RV_Custom_Message_ID message_id; + void * m_data; + UINT8 * m_pYPlane; + UINT8 * m_pUPlane; + UINT8 * m_pVPlane; + UINT32 m_pitch; + UINT32 m_width; + UINT32 m_height; + } RV_MSG_RetrieveFrameData; + + + + /* */ + /* Note to developers: */ + /* */ + /* Next available message ID is 58. */ + /* But 100 and above might already be in use, in "ccustmsg.h", so be careful. */ + /* */ + +#ifdef __cplusplus +} +#endif + +#endif /* RV_DECODE_MESSAGE_H */ diff --git a/audio_codec/libraac/include/rv_depack.h b/audio_codec/libraac/include/rv_depack.h new file mode 100644 index 0000000..f5a2878 --- a/dev/null +++ b/audio_codec/libraac/include/rv_depack.h @@ -0,0 +1,162 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_depack.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_DEPACK_H +#define RV_DEPACK_H + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_error.h" +#include "rm_memory.h" +#include "rm_stream.h" +#include "rm_packet.h" +#include "rv_format_info.h" + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + + /* Callback functions */ + typedef HX_RESULT(*rv_frame_avail_func_ptr)(void* pAvail, UINT32 ulSubStreamNum, rv_frame* frame); + + /* + * rv_depack definition. Opaque to user. + */ + typedef void rv_depack; + + /* + * rv_depack_create + */ + rv_depack* rv_depack_create(void* pAvail, + rv_frame_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError); + + /* + * rv_depack_create2 + * + * This is the same as rv_depack_create(), but it allows + * the user to use custom memory allocation and free functions. + */ + rv_depack* rv_depack_create2(void* pAvail, + rv_frame_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree); + + /* + * rv_depack_init + * + * This is initialized with a RealVideo rm_stream_header struct. + */ + HX_RESULT rv_depack_init(rv_depack* pDepack, rm_stream_header* header); + + /* + * rv_depack_get_num_substreams + * + * This accessor function tells how many video substreams there are + * in this video stream. For single-rate video streams, this will be 1. For + * SureStream video streams, this could be greater than 1. + */ + UINT32 rv_depack_get_num_substreams(rv_depack* pDepack); + + /* + * rv_depack_get_codec_4cc + * + * This accessor function returns the 4cc of the codec. This 4cc + * will be used to determine which codec to use. RealVideo always + * uses the same codec for all substreams. + */ + UINT32 rv_depack_get_codec_4cc(rv_depack* pDepack); + + /* + * rv_depack_get_codec_init_info + * + * This function fills in the structure which is used to initialize the codec. + */ + HX_RESULT rv_depack_get_codec_init_info(rv_depack* pDepack, rv_format_info** ppInfo); + + /* + * rv_depack_destroy_codec_init_info + * + * This function frees the memory associated with the rv_format_info object + * created by rv_depack_get_codec_init_info(). + */ + void rv_depack_destroy_codec_init_info(rv_depack* pDepack, rv_format_info** ppInfo); + + /* + * rv_depack_add_packet + * + * Put a video packet into the depacketizer. When enough data is + * present to depacketize, then the user will be called back + * on the rv_frame_avail_func_ptr set in rv_depack_create(). + */ + HX_RESULT rv_depack_add_packet(rv_depack* pDepack, rm_packet* packet); + + /* + * rv_depack_destroy_frame + * + * This cleans up a frame that was returned via + * the rv_frame_avail_func_ptr. + */ + void rv_depack_destroy_frame(rv_depack* pDepack, rv_frame** ppFrame); + + /* + * rv_depack_seek + * + * The user calls this function if the stream is seeked. It + * should be called before passing any post-seek packets. After calling + * rv_depack_seek(), no more pre-seek packets should be + * passed into rv_depack_add_packet(). + */ + HX_RESULT rv_depack_seek(rv_depack* pDepack, UINT32 ulTime); + + /* + * rv_depack_destroy + * + * This cleans up all memory allocated by the rv_depack_* calls + */ + void rv_depack_destroy(rv_depack** ppDepack); + + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RV_DEPACK_H */ diff --git a/audio_codec/libraac/include/rv_format_info.h b/audio_codec/libraac/include/rv_format_info.h new file mode 100644 index 0000000..29554fe --- a/dev/null +++ b/audio_codec/libraac/include/rv_format_info.h @@ -0,0 +1,91 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_format_info.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_FORMAT_INFO_H +#define RV_FORMAT_INFO_H + +#ifdef __cplusplus +extern "C" { +#endif /* #ifdef __cplusplus */ + +#include "helix_types.h" + + typedef struct rv_format_info_struct { + UINT32 ulLength; + UINT32 ulMOFTag; + UINT32 ulSubMOFTag; + UINT16 usWidth; + UINT16 usHeight; + UINT16 usBitCount; + UINT16 usPadWidth; + UINT16 usPadHeight; + UFIXED32 ufFramesPerSecond; + UINT32 ulOpaqueDataSize; + BYTE* pOpaqueData; + } rv_format_info; + + /* + * RV frame struct. + */ + typedef struct rv_segment_struct { + HXBOOL bIsValid; + UINT32 ulOffset; + } rv_segment; + + typedef struct rv_frame_struct { + UINT32 ulDataLen; + BYTE* pData; + UINT32 ulTimestamp; + UINT16 usSequenceNum; + UINT16 usFlags; + HXBOOL bLastPacket; + UINT32 ulNumSegments; + rv_segment* pSegment; + } rv_frame; + +#define BYTE_SWAP_UINT16(A) ((((UINT16)(A) & 0xff00) >> 8) | \ + (((UINT16)(A) & 0x00ff) << 8)) +#define BYTE_SWAP_UINT32(A) ((((UINT32)(A) & 0xff000000) >> 24) | \ + (((UINT32)(A) & 0x00ff0000) >> 8) | \ + (((UINT32)(A) & 0x0000ff00) << 8) | \ + (((UINT32)(A) & 0x000000ff) << 24)) + +#ifdef __cplusplus +} +#endif /* #ifdef __cplusplus */ + +#endif /* #ifndef RV_FORMAT_INFO_H */ diff --git a/audio_codec/libraac/include/statname.h b/audio_codec/libraac/include/statname.h new file mode 100644 index 0000000..9ceacce --- a/dev/null +++ b/audio_codec/libraac/include/statname.h @@ -0,0 +1,118 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: statname.h,v 1.6 2005/04/27 19:20:50 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2002 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point RealAudio 8 decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * October 2003 + * + * statname.h - name mangling macros for static linking + **************************************************************************************/ + +#ifndef _STATNAME_H +#define _STATNAME_H + +/* define STAT_PREFIX to a unique name for static linking + * all the C functions and global variables will be mangled by the preprocessor + * e.g. void FFT(int *fftbuf) becomes void cook_FFT(int *fftbuf) + */ +#define STAT_PREFIX cook + +#define STATCC1(x,y,z) STATCC2(x,y,z) +#define STATCC2(x,y,z) x##y##z + +#ifdef STAT_PREFIX +#define STATNAME(func) STATCC1(STAT_PREFIX, _, func) +#else +#define STATNAME(func) func +#endif + +/* global functions */ +#define AllocateBuffers STATNAME(AllocateBuffers) +#define FreeBuffers STATNAME(FreeBuffers) + +#define DecodeSideInfo STATNAME(DecodeSideInfo) +#define GetBits STATNAME(GetBits) +#define AdvanceBitstream STATNAME(AdvanceBitstream) + +#define DecodeHuffmanScalar STATNAME(DecodeHuffmanScalar) + +#define DecodeGainInfo STATNAME(DecodeGainInfo) +#define CopyGainInfo STATNAME(CopyGainInfo) + +#define JointDecodeMLT STATNAME(JointDecodeMLT) +#define DecodeCoupleInfo STATNAME(DecodeCoupleInfo) + +#define DecodeEnvelope STATNAME(DecodeEnvelope) +#define CategorizeAndExpand STATNAME(CategorizeAndExpand) +#define DecodeTransform STATNAME(DecodeTransform) + +#define IMLTNoWindow STATNAME(IMLTNoWindow) +#define R4FFT STATNAME(R4FFT) + +#define DecWindowWithAttacks STATNAME(DecWindowWithAttacks) +#define DecWindowNoAttacks STATNAME(DecWindowNoAttacks) + +/* global (const) data */ +#define pkkey STATNAME(pkkey) + +#define huffTabCoupleInfo STATNAME(huffTabCoupleInfo) +#define huffTabCouple STATNAME(huffTabCouple) +#define huffTabPowerInfo STATNAME(huffTabPowerInfo) +#define huffTabPower STATNAME(huffTabPower) +#define huffTabVectorInfo STATNAME(huffTabVectorInfo) +#define huffTabVector STATNAME(huffTabVector) + +#define nmltTab STATNAME(nmltTab) +#define window STATNAME(window) +#define windowOffset STATNAME(windowOffset) +#define cos4sin4tab STATNAME(cos4sin4tab) +#define cos4sin4tabOffset STATNAME(cos4sin4tabOffset) +#define cos1sin1tab STATNAME(cos1sin1tab) +#define uniqueIDTab STATNAME(uniqueIDTab) +#define bitrevtab STATNAME(bitrevtab) +#define bitrevtabOffset STATNAME(bitrevtabOffset) +#define twidTabEven STATNAME(twidTabEven) +#define twidTabOdd STATNAME(twidTabOdd) + +/* assembly functions - either inline or in separate asm file */ +#define MULSHIFT32 STATNAME(MULSHIFT32) +#define CLIPTOSHORT STATNAME(CLIPTOSHORT) +#define FASTABS STATNAME(FASTABS) +#define CLZ STATNAME(CLZ) + +#endif /* _STATNAME_H */ diff --git a/audio_codec/libraac/include/stream_hdr_structs.h b/audio_codec/libraac/include/stream_hdr_structs.h new file mode 100644 index 0000000..433270f --- a/dev/null +++ b/audio_codec/libraac/include/stream_hdr_structs.h @@ -0,0 +1,66 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: stream_hdr_structs.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef STREAM_HDR_STRUCTS_H +#define STREAM_HDR_STRUCTS_H + +#include "helix_types.h" + +#ifdef __cplusplus +extern "C" { +#endif + + /* map an ASM rule to some other property */ + typedef struct rm_rule_map_struct { + UINT32 ulNumRules; + UINT32* pulMap; + } rm_rule_map; + + /* rm multistream header -- surestream */ + typedef struct rm_multistream_hdr_struct { + UINT32 ulID; /* unique identifier for this header */ + rm_rule_map rule2SubStream; /* mapping of ASM rule number to substream */ + UINT32 ulNumSubStreams; /* number of substreams */ + } rm_multistream_hdr; + +#define RM_MULTIHEADER_OBJECT 0x4D4C5449 /* 'MLTI' */ + +#ifdef __cplusplus +} +#endif + +#endif /* #ifndef STREAM_HDR_STRUCTS_H */ diff --git a/audio_codec/libraac/include/stream_hdr_utils.h b/audio_codec/libraac/include/stream_hdr_utils.h new file mode 100644 index 0000000..2f5d4d3 --- a/dev/null +++ b/audio_codec/libraac/include/stream_hdr_utils.h @@ -0,0 +1,77 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: stream_hdr_utils.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef STREAM_HDR_UTILS_H +#define STREAM_HDR_UTILS_H + +#include "helix_types.h" +#include "helix_result.h" +#include "rm_memory.h" +#include "stream_hdr_structs.h" + +#ifdef __cplusplus +extern "C" { +#endif + + HX_RESULT rm_unpack_rule_map(BYTE** ppBuf, + UINT32* pulLen, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree, + void* pUserMem, + rm_rule_map* pMap); + + void rm_cleanup_rule_map(rm_free_func_ptr fpFree, + void* pUserMem, + rm_rule_map* pMap); + + HX_RESULT rm_unpack_multistream_hdr(BYTE** ppBuf, + UINT32* pulLen, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree, + void* pUserMem, + rm_multistream_hdr* hdr); + + void rm_cleanup_multistream_hdr(rm_free_func_ptr fpFree, + void* pUserMem, + rm_multistream_hdr* hdr); + + +#ifdef __cplusplus +} +#endif + +#endif /* #ifndef STREAM_HDR_UTILS_H */ diff --git a/audio_codec/libraac/include/string_utils.h b/audio_codec/libraac/include/string_utils.h new file mode 100644 index 0000000..5337f52 --- a/dev/null +++ b/audio_codec/libraac/include/string_utils.h @@ -0,0 +1,62 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: string_utils.h,v 1.1.1.1.2.1 2005/05/04 18:21:22 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef STRING_UTILS_H +#define STRING_UTILS_H + +#include "helix_types.h" +#include "rm_memory.h" +/* Create and copy a string */ +char* copy_string(void* pUserMem, + rm_malloc_func_ptr fpMalloc, + const char* pszStr); + +/* Free a string */ +void free_string(void* pUserMem, + rm_free_func_ptr fpFree, + char** ppszStr); + +#if defined(_WINDOWS) + +int strcasecmp(const char* pszStr1, const char* pszStr2); +int strncasecmp(const char* pszStr1, const char* pszStr2, int len); + +#elif defined(_UNIX) +#include +#endif + +#endif /* #ifndef STRING_UTILS_H */ diff --git a/audio_codec/libraac/include/tngpkt.h b/audio_codec/libraac/include/tngpkt.h new file mode 100644 index 0000000..3e2d0af --- a/dev/null +++ b/audio_codec/libraac/include/tngpkt.h @@ -0,0 +1,400 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: tngpkt.h,v 1.1.1.1.2.1 2005/05/04 18:20:57 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/* + * This is generated code, do not modify. Look in + * /home/gregory/helix/protocol/transport/rdt/pub/tngpkt.pm to make + * modifications + */ + +#include "helix_types.h" +#include "rm_memory.h" + +#ifndef PMC_PREDEFINED_TYPES +#define PMC_PREDEFINED_TYPES + +typedef char* pmc_string; + +typedef struct _buffer { + UINT32 len; + INT8* data; +} buffer; +#endif/*PMC_PREDEFINED_TYPES*/ + + +#ifndef _TNGPKT_H_ +#define _TNGPKT_H_ + +struct TNGDataPacket { + UINT8 length_included_flag; + UINT8 need_reliable_flag; + UINT8 stream_id; + UINT8 is_reliable; + UINT16 seq_no; + UINT16 _packlenwhendone; + UINT8 back_to_back_packet; + UINT8 slow_data; + UINT8 asm_rule_number; + UINT32 timestamp; + UINT16 stream_id_expansion; + UINT16 total_reliable; + UINT16 asm_rule_number_expansion; + buffer data; +}; + +const UINT32 TNGDataPacket_static_size(); +UINT8* TNGDataPacket_pack(UINT8* buf, + UINT32 len, + struct TNGDataPacket* pkt); +UINT8* TNGDataPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGDataPacket* pkt); + +struct TNGMultiCastDataPacket { + UINT8 length_included_flag; + UINT8 need_reliable_flag; + UINT8 stream_id; + UINT8 is_reliable; + UINT16 seq_no; + UINT16 length; + UINT8 back_to_back_packet; + UINT8 slow_data; + UINT8 asm_rule_number; + UINT8 group_seq_no; + UINT32 timestamp; + UINT16 stream_id_expansion; + UINT16 total_reliable; + UINT16 asm_rule_number_expansion; + buffer data; +}; + +const UINT32 TNGMultiCastDataPacket_static_size(); + +UINT8* TNGMultiCastDataPacket_pack(UINT8* buf, + UINT32 len, + struct TNGMultiCastDataPacket* pkt); +UINT8* TNGMultiCastDataPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGMultiCastDataPacket* pkt); + + +struct TNGASMActionPacket { + UINT8 length_included_flag; + UINT8 stream_id; + UINT8 dummy0; + UINT8 dummy1; + UINT16 packet_type; + UINT16 reliable_seq_no; + UINT16 length; + UINT16 stream_id_expansion; + buffer data; +}; + +const UINT32 TNGASMActionPacket_static_size(); +UINT8* TNGASMActionPacket_pack(UINT8* buf, + UINT32 len, + struct TNGASMActionPacket* pkt); + +UINT8* TNGASMActionPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGASMActionPacket* pkt); + + + +struct TNGBandwidthReportPacket { + UINT8 length_included_flag; + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT16 packet_type; + UINT16 length; + UINT16 interval; + UINT32 bandwidth; + UINT8 sequence; +}; + +const UINT32 TNGBandwidthReportPacket_static_size(); +UINT8* TNGBandwidthReportPacket_pack(UINT8* buf, + UINT32 len, + struct TNGBandwidthReportPacket* pkt); +UINT8* TNGBandwidthReportPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGBandwidthReportPacket* pkt); + + + +struct TNGReportPacket { + UINT8 length_included_flag; + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT16 packet_type; + UINT16 length; + buffer data; +}; + +const UINT32 TNGReportPacket_static_size(); +UINT8* TNGReportPacket_pack(UINT8* buf, + UINT32 len, + struct TNGReportPacket* pkt); +UINT8* TNGReportPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGReportPacket* pkt); + + + +struct TNGACKPacket { + UINT8 length_included_flag; + UINT8 lost_high; + UINT8 dummy0; + UINT8 dummy1; + UINT16 packet_type; + UINT16 length; + buffer data; +}; + +const UINT32 TNGACKPacket_static_size(); +UINT8* TNGACKPacket_pack(UINT8* buf, + UINT32 len, + struct TNGACKPacket* pkt); +UINT8* TNGACKPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGACKPacket* pkt); + + +struct TNGRTTRequestPacket { + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT8 dummy3; + UINT16 packet_type; +}; + +const UINT32 TNGRTTRequestPacket_static_size(); +UINT8* TNGRTTRequestPacket_pack(UINT8* buf, + UINT32 len, + struct TNGRTTRequestPacket* pkt); +UINT8* TNGRTTRequestPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGRTTRequestPacket* pkt); + +struct TNGRTTResponsePacket { + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT8 dummy3; + UINT16 packet_type; + UINT32 timestamp_sec; + UINT32 timestamp_usec; +}; + +const UINT32 TNGRTTResponsePacket_static_size(); +UINT8* TNGRTTResponsePacket_pack(UINT8* buf, + UINT32 len, + struct TNGRTTResponsePacket* pkt); +UINT8* TNGRTTResponsePacket_unpack(UINT8* buf, + UINT32 len, + struct TNGRTTResponsePacket* pkt); + + +struct TNGCongestionPacket { + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT8 dummy3; + UINT16 packet_type; + INT32 xmit_multiplier; + INT32 recv_multiplier; +}; + +const UINT32 TNGCongestionPacket_static_size(); +UINT8* TNGCongestionPacket_pack(UINT8* buf, + UINT32 len, + struct TNGCongestionPacket* pkt); +UINT8* TNGCongestionPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGCongestionPacket* pkt); + + +struct TNGStreamEndPacket { + UINT8 need_reliable_flag; + UINT8 stream_id; + UINT8 packet_sent; + UINT8 ext_flag; + UINT16 packet_type; + UINT16 seq_no; + UINT32 timestamp; + UINT16 stream_id_expansion; + UINT16 total_reliable; + UINT8 reason_dummy[3]; + UINT32 reason_code; + pmc_string reason_text; +}; + +const UINT32 TNGStreamEndPacket_static_size(); +UINT8* TNGStreamEndPacket_pack(UINT8* buf, + UINT32 len, + struct TNGStreamEndPacket* pkt); + +/* TNGStreamEndPacket_unpack will malloc room for the reason_text. + * You must free this memory or it will be leaked */ +UINT8* TNGStreamEndPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGStreamEndPacket* pkt); + +UINT8* TNGStreamEndPacket_unpack_fromPool(UINT8* buf, + UINT32 len, + struct TNGStreamEndPacket* pkt, + rm_malloc_func_ptr fpMalloc, + void* pMemoryPool); + + + + +struct TNGLatencyReportPacket { + UINT8 length_included_flag; + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT16 packet_type; + UINT16 length; + UINT32 server_out_time; +}; + +const UINT32 TNGLatencyReportPacket_static_size(); +UINT8* TNGLatencyReportPacket_pack(UINT8* buf, + UINT32 len, + struct TNGLatencyReportPacket* pkt); +UINT8* TNGLatencyReportPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGLatencyReportPacket* pkt); + + + + +/* + * RDTFeatureLevel 3 packets + */ + +struct RDTTransportInfoRequestPacket { + UINT8 dummy0; + UINT8 dummy1; + UINT8 request_rtt_info; + UINT8 request_buffer_info; + UINT16 packet_type; + UINT32 request_time_ms; +}; + +const UINT32 RDTTransportInfoRequestPacket_static_size(); +UINT8* RDTTransportInfoRequestPacket_pack(UINT8* buf, + UINT32 len, + struct RDTTransportInfoRequestPacket* pkt); +UINT8* RDTTransportInfoRequestPacket_unpack(UINT8* buf, + UINT32 len, + struct RDTTransportInfoRequestPacket* pkt); + + + + +struct RDTBufferInfo { + UINT16 stream_id; + UINT32 lowest_timestamp; + UINT32 highest_timestamp; + UINT32 bytes_buffered; +}; + +const UINT32 RDTBufferInfo_static_size(); +UINT8* RDTBufferInfo_pack(UINT8* buf, + UINT32 len, struct RDTBufferInfo* pkt); +UINT8* RDTBufferInfo_unpack(UINT8* buf, + UINT32 len, struct RDTBufferInfo* pkt); + + + + +struct RDTTransportInfoResponsePacket { + UINT8 dummy0; + UINT8 dummy1; + UINT8 has_rtt_info; + UINT8 is_delayed; + UINT8 has_buffer_info; + UINT16 packet_type; + UINT32 request_time_ms; + UINT32 response_time_ms; + UINT16 buffer_info_count; + struct RDTBufferInfo *buffer_info; +}; + +const UINT32 RDTTransportInfoResponsePacket_static_size(); +UINT8* RDTTransportInfoResponsePacket_pack(UINT8* buf, + UINT32 len, + struct RDTTransportInfoResponsePacket* pkt); +UINT8* RDTTransportInfoResponsePacket_unpack(UINT8* buf, + UINT32 len, + struct RDTTransportInfoResponsePacket* pkt); + +UINT8* RDTTransportInfoResponsePacket_unpack_fromPool(UINT8* buf, + UINT32 len, + struct RDTTransportInfoResponsePacket* pkt, + rm_malloc_func_ptr fpMalloc, + void* pMemoryPool); + + + + + + +struct TNGBWProbingPacket { + UINT8 length_included_flag; + UINT8 dummy0; + UINT8 dummy1; + UINT8 dummy2; + UINT16 packet_type; + UINT16 length; + UINT8 seq_no; + UINT32 timestamp; + buffer data; +}; + +const UINT32 TNGBWProbingPacket_static_size(); +UINT8* TNGBWProbingPacket_pack(UINT8* buf, + UINT32 len, + struct TNGBWProbingPacket* pkt); +UINT8* TNGBWProbingPacket_unpack(UINT8* buf, + UINT32 len, + struct TNGBWProbingPacket* pkt); +#endif /* _TNGPKT_H_ */ diff --git a/audio_codec/libraac/memory_utils.c b/audio_codec/libraac/memory_utils.c new file mode 100644 index 0000000..b7d46b2 --- a/dev/null +++ b/audio_codec/libraac/memory_utils.c @@ -0,0 +1,100 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: memory_utils.c,v 1.1.1.1.2.1 2005/05/04 18:21:23 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "../include/helix_types.h" +#include "../include/helix_result.h" +#include "../include/rm_memory.h" +#include "../include/memory_utils.h" + +HX_RESULT rm_enforce_buffer_min_size(void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree, + BYTE** ppBuf, + UINT32* pulCurLen, + UINT32 ulReqLen) +{ + HX_RESULT retVal = HXR_OUTOFMEMORY; + + if (fpMalloc && fpFree && ppBuf && pulCurLen) { + if (ulReqLen > *pulCurLen) { + /* Allocate a new buffer */ + BYTE* pBuf = fpMalloc(pUserMem, ulReqLen); + if (pBuf) { + /* Was the old buffer allocated? */ + if (*ppBuf && *pulCurLen > 0) { + /* Copy the old buffer into the new one */ + memcpy(pBuf, *ppBuf, *pulCurLen); + /* Free the old buffer */ + fpFree(pUserMem, *ppBuf); + } + /* Assign the buffer out parameter */ + *ppBuf = pBuf; + /* Change the current size to the requested size */ + *pulCurLen = ulReqLen; + /* Clear the return value */ + retVal = HXR_OK; + } + } else { + /* Current buffer size is adequate - don't + * have to do anything here. + */ + retVal = HXR_OK; + } + } + + return retVal; +} + +BYTE* copy_buffer(void* pUserMem, + rm_malloc_func_ptr fpMalloc, + BYTE* pBuf, + UINT32 ulLen) +{ + BYTE* pRet = HXNULL; + + if (fpMalloc && pBuf && ulLen) { + /* Allocate a buffer */ + pRet = (BYTE*) fpMalloc(pUserMem, ulLen); + if (pRet) { + /* Copy the buffer */ + memcpy(pRet, pBuf, ulLen); + } + } + + return pRet; +} diff --git a/audio_codec/libraac/noiseless.c b/audio_codec/libraac/noiseless.c new file mode 100644 index 0000000..f782f39 --- a/dev/null +++ b/audio_codec/libraac/noiseless.c @@ -0,0 +1,503 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: noiseless.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * noiseless.c - decode channel info, scalefactors, quantized coefficients, + * scalefactor band codebook, and TNS coefficients from bitstream + **************************************************************************************/ + +#include "coder.h" +//#include +#include + + +/************************************************************************************** + * Function: DecodeICSInfo + * + * Description: decode individual channel stream info + * + * Inputs: BitStreamInfo struct pointing to start of ICS info + * (14496-3, table 4.4.6) + * sample rate index + * + * Outputs: updated icsInfo struct + * + * Return: none + **************************************************************************************/ +void DecodeICSInfo(BitStreamInfo *bsi, ICSInfo *icsInfo, int sampRateIdx) +{ + int sfb, g, mask; + + icsInfo->icsResBit = GetBits(bsi, 1); + icsInfo->winSequence = GetBits(bsi, 2); + icsInfo->winShape = GetBits(bsi, 1); + if (icsInfo->winSequence == 2) { + /* short block */ + icsInfo->maxSFB = GetBits(bsi, 4); + icsInfo->sfGroup = GetBits(bsi, 7); + icsInfo->numWinGroup = 1; + icsInfo->winGroupLen[0] = 1; + mask = 0x40; /* start with bit 6 */ + for (g = 0; g < 7; g++) { + if (icsInfo->sfGroup & mask) { + icsInfo->winGroupLen[icsInfo->numWinGroup - 1]++; + } else { + icsInfo->numWinGroup++; + icsInfo->winGroupLen[icsInfo->numWinGroup - 1] = 1; + } + mask >>= 1; + } + } else { + /* long block */ + icsInfo->maxSFB = GetBits(bsi, 6); + icsInfo->predictorDataPresent = GetBits(bsi, 1); + if (icsInfo->predictorDataPresent) { + icsInfo->predictorReset = GetBits(bsi, 1); + if (icsInfo->predictorReset) { + icsInfo->predictorResetGroupNum = GetBits(bsi, 5); + } + for (sfb = 0; sfb < MIN(icsInfo->maxSFB, predSFBMax[sampRateIdx]); sfb++) { + icsInfo->predictionUsed[sfb] = GetBits(bsi, 1); + } + } + icsInfo->numWinGroup = 1; + icsInfo->winGroupLen[0] = 1; + } +} + +/************************************************************************************** + * Function: DecodeSectionData + * + * Description: decode section data (scale factor band groupings and + * associated Huffman codebooks) + * + * Inputs: BitStreamInfo struct pointing to start of ICS info + * (14496-3, table 4.4.25) + * window sequence (short or long blocks) + * number of window groups (1 for long blocks, 1-8 for short blocks) + * max coded scalefactor band + * + * Outputs: index of Huffman codebook for each scalefactor band in each section + * + * Return: none + * + * Notes: sectCB, sectEnd, sfbCodeBook, ordered by window groups for short blocks + **************************************************************************************/ +static void DecodeSectionData(BitStreamInfo *bsi, int winSequence, int numWinGrp, int maxSFB, unsigned char *sfbCodeBook) +{ + int g, cb, sfb; + int sectLen, sectLenBits, sectLenIncr, sectEscapeVal; + + sectLenBits = (winSequence == 2 ? 3 : 5); + sectEscapeVal = (1 << sectLenBits) - 1; + + for (g = 0; g < numWinGrp; g++) { + sfb = 0; + while (sfb < maxSFB) { + cb = GetBits(bsi, 4); /* next section codebook */ + sectLen = 0; + do { + sectLenIncr = GetBits(bsi, sectLenBits); + sectLen += sectLenIncr; + } while (sectLenIncr == sectEscapeVal); + + sfb += sectLen; + while (sectLen--) { + *sfbCodeBook++ = (unsigned char)cb; + } + } + ASSERT(sfb == maxSFB); + } +} + +/************************************************************************************** + * Function: DecodeOneScaleFactor + * + * Description: decode one scalefactor using scalefactor Huffman codebook + * + * Inputs: BitStreamInfo struct pointing to start of next coded scalefactor + * + * Outputs: updated BitstreamInfo struct + * + * Return: one decoded scalefactor, including index_offset of -60 + **************************************************************************************/ +static int DecodeOneScaleFactor(BitStreamInfo *bsi) +{ + int nBits, val; + unsigned int bitBuf; + + /* decode next scalefactor from bitstream */ + bitBuf = GetBitsNoAdvance(bsi, huffTabScaleFactInfo.maxBits) << (32 - huffTabScaleFactInfo.maxBits); + nBits = DecodeHuffmanScalar(huffTabScaleFact, &huffTabScaleFactInfo, bitBuf, &val); + AdvanceBitstream(bsi, nBits); + + return val; +} + +/************************************************************************************** + * Function: DecodeScaleFactors + * + * Description: decode scalefactors, PNS energy, and intensity stereo weights + * + * Inputs: BitStreamInfo struct pointing to start of ICS info + * (14496-3, table 4.4.26) + * number of window groups (1 for long blocks, 1-8 for short blocks) + * max coded scalefactor band + * global gain (starting value for differential scalefactor coding) + * index of Huffman codebook for each scalefactor band in each section + * + * Outputs: decoded scalefactor for each section + * + * Return: none + * + * Notes: sfbCodeBook, scaleFactors ordered by window groups for short blocks + * for section with codebook 13, scaleFactors buffer has decoded PNS + * energy instead of regular scalefactor + * for section with codebook 14 or 15, scaleFactors buffer has intensity + * stereo weight instead of regular scalefactor + **************************************************************************************/ +static void DecodeScaleFactors(BitStreamInfo *bsi, int numWinGrp, int maxSFB, int globalGain, + unsigned char *sfbCodeBook, short *scaleFactors) +{ + int g, sfbCB, nrg, npf, val, sf, is; + + /* starting values for differential coding */ + sf = globalGain; + is = 0; + nrg = globalGain - 90 - 256; + npf = 1; + + for (g = 0; g < numWinGrp * maxSFB; g++) { + sfbCB = *sfbCodeBook++; + + if (sfbCB == 14 || sfbCB == 15) { + /* intensity stereo - differential coding */ + val = DecodeOneScaleFactor(bsi); + is += val; + *scaleFactors++ = (short)is; + } else if (sfbCB == 13) { + /* PNS - first energy is directly coded, rest are Huffman coded (npf = noise_pcm_flag) */ + if (npf) { + val = GetBits(bsi, 9); + npf = 0; + } else { + val = DecodeOneScaleFactor(bsi); + } + nrg += val; + *scaleFactors++ = (short)nrg; + } else if (sfbCB >= 1 && sfbCB <= 11) { + /* regular (non-zero) region - differential coding */ + val = DecodeOneScaleFactor(bsi); + sf += val; + *scaleFactors++ = (short)sf; + } else { + /* inactive scalefactor band if codebook 0 */ + *scaleFactors++ = 0; + } + } +} + +/************************************************************************************** + * Function: DecodePulseInfo + * + * Description: decode pulse information + * + * Inputs: BitStreamInfo struct pointing to start of pulse info + * (14496-3, table 4.4.7) + * + * Outputs: updated PulseInfo struct + * + * Return: none + **************************************************************************************/ +static void DecodePulseInfo(BitStreamInfo *bsi, PulseInfo *pi) +{ + int i; + + pi->numPulse = GetBits(bsi, 2) + 1; /* add 1 here */ + pi->startSFB = GetBits(bsi, 6); + for (i = 0; i < pi->numPulse; i++) { + pi->offset[i] = GetBits(bsi, 5); + pi->amp[i] = GetBits(bsi, 4); + } +} + +/************************************************************************************** + * Function: DecodeTNSInfo + * + * Description: decode TNS filter information + * + * Inputs: BitStreamInfo struct pointing to start of TNS info + * (14496-3, table 4.4.27) + * window sequence (short or long blocks) + * + * Outputs: updated TNSInfo struct + * buffer of decoded (signed) TNS filter coefficients + * + * Return: none + **************************************************************************************/ +static void DecodeTNSInfo(BitStreamInfo *bsi, int winSequence, TNSInfo *ti, signed char *tnsCoef) +{ + int i, w, f, coefBits, compress; + signed char c, s, n; + signed char sgnMask[3] = { 0x02, 0x04, 0x08}; + signed char negMask[3] = {~0x03, ~0x07, ~0x0f}; + unsigned char *filtLength, *filtOrder, *filtDir; + + filtLength = ti->length; + filtOrder = ti->order; + filtDir = ti->dir; + + if (winSequence == 2) { + /* short blocks */ + for (w = 0; w < NWINDOWS_SHORT; w++) { + ti->numFilt[w] = GetBits(bsi, 1); + if (ti->numFilt[w]) { + ti->coefRes[w] = GetBits(bsi, 1) + 3; + *filtLength = GetBits(bsi, 4); + *filtOrder = GetBits(bsi, 3); + if (*filtOrder) { + *filtDir++ = GetBits(bsi, 1); + compress = GetBits(bsi, 1); + coefBits = (int)ti->coefRes[w] - compress; /* 2, 3, or 4 */ + s = sgnMask[coefBits - 2]; + n = negMask[coefBits - 2]; + for (i = 0; i < *filtOrder; i++) { + c = GetBits(bsi, coefBits); + if (c & s) { + c |= n; + } + *tnsCoef++ = c; + } + } + filtLength++; + filtOrder++; + } + } + } else { + /* long blocks */ + ti->numFilt[0] = GetBits(bsi, 2); + if (ti->numFilt[0]) { + ti->coefRes[0] = GetBits(bsi, 1) + 3; + } + for (f = 0; f < ti->numFilt[0]; f++) { + *filtLength = GetBits(bsi, 6); + *filtOrder = GetBits(bsi, 5); + if (*filtOrder) { + *filtDir++ = GetBits(bsi, 1); + compress = GetBits(bsi, 1); + coefBits = (int)ti->coefRes[0] - compress; /* 2, 3, or 4 */ + s = sgnMask[coefBits - 2]; + n = negMask[coefBits - 2]; + for (i = 0; i < *filtOrder; i++) { + c = GetBits(bsi, coefBits); + if (c & s) { + c |= n; + } + *tnsCoef++ = c; + } + } + filtLength++; + filtOrder++; + } + } +} + +/* bitstream field lengths for gain control data: + * gainBits[winSequence][0] = maxWindow (how many gain windows there are) + * gainBits[winSequence][1] = locBitsZero (bits for alocCode if window == 0) + * gainBits[winSequence][2] = locBits (bits for alocCode if window != 0) + */ +static const unsigned char gainBits[4][3] = { + {1, 5, 5}, /* long */ + {2, 4, 2}, /* start */ + {8, 2, 2}, /* short */ + {2, 4, 5}, /* stop */ +}; + +/************************************************************************************** + * Function: DecodeGainControlInfo + * + * Description: decode gain control information (SSR profile only) + * + * Inputs: BitStreamInfo struct pointing to start of gain control info + * (14496-3, table 4.4.12) + * window sequence (short or long blocks) + * + * Outputs: updated GainControlInfo struct + * + * Return: none + **************************************************************************************/ +static void DecodeGainControlInfo(BitStreamInfo *bsi, int winSequence, GainControlInfo *gi) +{ + int bd, wd, ad; + int locBits, locBitsZero, maxWin; + + gi->maxBand = GetBits(bsi, 2); + maxWin = (int)gainBits[winSequence][0]; + locBitsZero = (int)gainBits[winSequence][1]; + locBits = (int)gainBits[winSequence][2]; + + for (bd = 1; bd <= gi->maxBand; bd++) { + for (wd = 0; wd < maxWin; wd++) { + gi->adjNum[bd][wd] = GetBits(bsi, 3); + for (ad = 0; ad < gi->adjNum[bd][wd]; ad++) { + gi->alevCode[bd][wd][ad] = GetBits(bsi, 4); + gi->alocCode[bd][wd][ad] = GetBits(bsi, (wd == 0 ? locBitsZero : locBits)); + } + } + } +} + +/************************************************************************************** + * Function: DecodeICS + * + * Description: decode individual channel stream + * + * Inputs: platform specific info struct + * BitStreamInfo struct pointing to start of individual channel stream + * (14496-3, table 4.4.24) + * index of current channel + * + * Outputs: updated section data, scale factor data, pulse data, TNS data, + * and gain control data + * + * Return: none + **************************************************************************************/ +static void DecodeICS(PSInfoBase *psi, BitStreamInfo *bsi, int ch) +{ + int globalGain; + ICSInfo *icsInfo; + PulseInfo *pi; + TNSInfo *ti; + GainControlInfo *gi; + + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + globalGain = GetBits(bsi, 8); + if (!psi->commonWin) { + DecodeICSInfo(bsi, icsInfo, psi->sampRateIdx); + } + + DecodeSectionData(bsi, icsInfo->winSequence, icsInfo->numWinGroup, icsInfo->maxSFB, psi->sfbCodeBook[ch]); + + DecodeScaleFactors(bsi, icsInfo->numWinGroup, icsInfo->maxSFB, globalGain, psi->sfbCodeBook[ch], psi->scaleFactors[ch]); + + pi = &psi->pulseInfo[ch]; + pi->pulseDataPresent = GetBits(bsi, 1); + if (pi->pulseDataPresent) { + DecodePulseInfo(bsi, pi); + } + + ti = &psi->tnsInfo[ch]; + ti->tnsDataPresent = GetBits(bsi, 1); + if (ti->tnsDataPresent) { + DecodeTNSInfo(bsi, icsInfo->winSequence, ti, ti->coef); + } + + gi = &psi->gainControlInfo[ch]; + gi->gainControlDataPresent = GetBits(bsi, 1); + if (gi->gainControlDataPresent) { + DecodeGainControlInfo(bsi, icsInfo->winSequence, gi); + } +} + +/************************************************************************************** + * Function: DecodeNoiselessData + * + * Description: decode noiseless data (side info and transform coefficients) + * + * Inputs: valid AACDecInfo struct + * double pointer to buffer pointing to start of individual channel stream + * (14496-3, table 4.4.24) + * pointer to bit offset + * pointer to number of valid bits remaining in buf + * index of current channel + * + * Outputs: updated global gain, section data, scale factor data, pulse data, + * TNS data, gain control data, and spectral data + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int DecodeNoiselessData(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail, int ch) +{ + int bitsUsed; + BitStreamInfo bsi; + PSInfoBase *psi; + ICSInfo *icsInfo; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + if (AACDataSource == 1) { + SetBitstreamPointer(&bsi, (*bitsAvail + 7) >> 3, *buf); + GetBits(&bsi, *bitOffset); + } else { + if (((*bitsAvail + 7) >> 3) < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + + DecodeICS(psi, &bsi, ch); + + if (icsInfo->winSequence == 2) { + DecodeSpectrumShort(psi, &bsi, ch); + } else { + DecodeSpectrumLong(psi, &bsi, ch); + } + + if (AACDataSource == 1) { + bitsUsed = CalcBitsUsed(&bsi, *buf, *bitOffset); + *buf += ((bitsUsed + *bitOffset) >> 3); + *bitOffset = ((bitsUsed + *bitOffset) & 0x07); + *bitsAvail -= bitsUsed; + if (*bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + aacDecInfo->sbDeinterleaveReqd[ch] = 0; + aacDecInfo->tnsUsed |= psi->tnsInfo[ch].tnsDataPresent; /* set flag if TNS used for any channel */ + + return ERR_AAC_NONE; +} diff --git a/audio_codec/libraac/pack_utils.c b/audio_codec/libraac/pack_utils.c new file mode 100644 index 0000000..fd0935a --- a/dev/null +++ b/audio_codec/libraac/pack_utils.c @@ -0,0 +1,306 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: pack_utils.c,v 1.2.2.1 2005/05/04 18:21:23 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "../include/helix_types.h" +#include "../include/helix_result.h" +#include "../include/rm_memory.h" +#include "../include/memory_utils.h" +#include "../include/pack_utils.h" + +void rm_pack32(UINT32 ulValue, BYTE** ppBuf, UINT32* pulLen) +{ + if (ppBuf && pulLen && *pulLen >= 4) { + BYTE* pBuf = *ppBuf; + pBuf[0] = (BYTE)((ulValue & 0xFF000000) >> 24); + pBuf[1] = (BYTE)((ulValue & 0x00FF0000) >> 16); + pBuf[2] = (BYTE)((ulValue & 0x0000FF00) >> 8); + pBuf[3] = (BYTE)(ulValue & 0x000000FF); + *ppBuf += 4; + *pulLen -= 4; + } +} + +void rm_pack32_le(UINT32 ulValue, BYTE** ppBuf, UINT32* pulLen) +{ + if (ppBuf && pulLen && *pulLen >= 4) { + BYTE* pBuf = *ppBuf; + pBuf[0] = (BYTE)(ulValue & 0x000000FF); + pBuf[1] = (BYTE)((ulValue & 0x0000FF00) >> 8); + pBuf[2] = (BYTE)((ulValue & 0x00FF0000) >> 16); + pBuf[3] = (BYTE)((ulValue & 0xFF000000) >> 24); + *ppBuf += 4; + *pulLen -= 4; + } +} + +void rm_pack16(UINT16 usValue, BYTE** ppBuf, UINT32* pulLen) +{ + if (ppBuf && pulLen && *pulLen >= 2) { + BYTE* pBuf = *ppBuf; + pBuf[0] = (BYTE)((usValue & 0x0000FF00) >> 8); + pBuf[1] = (BYTE)(usValue & 0x000000FF); + *ppBuf += 2; + *pulLen -= 2; + } +} + +void rm_pack16_le(UINT16 usValue, BYTE** ppBuf, UINT32* pulLen) +{ + if (ppBuf && pulLen && *pulLen >= 2) { + BYTE* pBuf = *ppBuf; + pBuf[0] = (BYTE)(usValue & 0x000000FF); + pBuf[1] = (BYTE)((usValue & 0x0000FF00) >> 8); + *ppBuf += 2; + *pulLen -= 2; + } +} + +void rm_pack8(BYTE ucValue, BYTE** ppBuf, UINT32* pulLen) +{ + if (ppBuf && pulLen && *pulLen > 0) { + BYTE* pBuf = *ppBuf; + pBuf[0] = (BYTE) ucValue; + *ppBuf += 1; + *pulLen -= 1; + } +} + +UINT32 rm_unpack32(BYTE** ppBuf, UINT32* pulLen) +{ + UINT32 ulRet = 0; + + if (ppBuf && pulLen && *pulLen >= 4) { + BYTE* pBuf = *ppBuf; + ulRet = (pBuf[0] << 24) | (pBuf[1] << 16) | (pBuf[2] << 8) | pBuf[3]; + *ppBuf += 4; + *pulLen -= 4; + } + + return ulRet; +} + +UINT16 rm_unpack16(BYTE** ppBuf, UINT32* pulLen) +{ + UINT16 usRet = 0; + + if (ppBuf && pulLen && *pulLen >= 2) { + BYTE* pBuf = *ppBuf; + usRet = (pBuf[0] << 8) | pBuf[1]; + *ppBuf += 2; + *pulLen -= 2; + } + + return usRet; +} + +UINT32 rm_unpack32_nse(BYTE* pBuf, UINT32 ulLen) +{ + UINT32 ulRet = 0; + + if (pBuf && ulLen >= 4) { + ulRet = (pBuf[0] << 24) | (pBuf[1] << 16) | (pBuf[2] << 8) | pBuf[3]; + } + + return ulRet; +} + +UINT16 rm_unpack16_nse(BYTE* pBuf, UINT32 ulLen) +{ + UINT16 usRet = 0; + + if (pBuf && ulLen >= 2) { + usRet = (pBuf[0] << 8) | pBuf[1]; + } + + return usRet; +} + +BYTE rm_unpack8(BYTE** ppBuf, UINT32* pulLen) +{ + BYTE ucRet = 0; + + if (ppBuf && pulLen && *pulLen > 0) { + BYTE* pBuf = *ppBuf; + ucRet = pBuf[0]; + *ppBuf += 1; + *pulLen -= 1; + } + + return ucRet; +} + +HX_RESULT rm_unpack_string(BYTE** ppBuf, + UINT32* pulLen, + UINT32 ulStrLen, + char** ppStr, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + HX_RESULT retVal = HXR_FAIL; + + if (ppBuf && pulLen && *pulLen >= ulStrLen && ppStr && fpMalloc && fpFree) { + /* Clear the return value */ + retVal = HXR_OK; + /* Do we actually have a string to unpack? */ + if (ulStrLen) { + /* If the string is already allocated, free it */ + if (*ppStr) { + fpFree(pUserMem, *ppStr); + *ppStr = HXNULL; + } + /* Allocate a buffer that it one more byte than the length */ + *ppStr = (char*) fpMalloc(pUserMem, ulStrLen + 1); + if (*ppStr) { + /* Copy the string buffer in */ + memcpy(*ppStr, *ppBuf, ulStrLen); + /* Put a NULL terminator on the end */ + (*ppStr)[ulStrLen] = '\0'; + /* Update the parsing buffer counters */ + *ppBuf += ulStrLen; + *pulLen -= ulStrLen; + } else { + retVal = HXR_OUTOFMEMORY; + } + } + } + + return retVal; +} + +HX_RESULT rm_unpack_buffer(BYTE** ppBuf, + UINT32* pulLen, + UINT32 ulBufLen, + BYTE** ppUnPackBuf, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + HX_RESULT retVal = HXR_FAIL; + + if (ppBuf && pulLen && *pulLen >= ulBufLen && ppUnPackBuf && fpMalloc && fpFree) { + /* Clear the return value */ + retVal = HXR_OK; + /* Do we have a buffer? */ + if (ulBufLen) { + /* If the string is already allocated, free it */ + if (*ppUnPackBuf) { + fpFree(pUserMem, *ppUnPackBuf); + *ppUnPackBuf = HXNULL; + } + /* Allocate a buffer that it one more byte than the length */ + *ppUnPackBuf = (BYTE*) fpMalloc(pUserMem, ulBufLen); + if (*ppUnPackBuf) { + /* Copy the string buffer in */ + memcpy(*ppUnPackBuf, *ppBuf, ulBufLen); + /* Update the parsing buffer counters */ + *ppBuf += ulBufLen; + *pulLen -= ulBufLen; + } else { + retVal = HXR_OUTOFMEMORY; + } + } + } + + return retVal; +} + +HX_RESULT rm_unpack_array(BYTE** ppBuf, + UINT32* pulLen, + UINT32 ulNumElem, + UINT32 ulElemSize, + void** ppArr, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + HX_RESULT retVal = HXR_FAIL; + + if (ppBuf && pulLen && *pulLen >= ulNumElem * ulElemSize && + ppArr && fpMalloc && fpFree) { + /* Clear the return value */ + retVal = HXR_OK; + /* Do we have any elements? */ + if (ulNumElem) { + /* If the array is already allocated, then free it */ + if (*ppArr) { + fpFree(pUserMem, *ppArr); + *ppArr = HXNULL; + } + /* Allocate space for the array */ + *ppArr = fpMalloc(pUserMem, ulNumElem * ulElemSize); + if (*ppArr) { + /* Is this a UINT32 or a UINT16? */ + UINT32 i = 0; + if (ulElemSize == sizeof(UINT32)) { + /* Unpack UINT32s */ + UINT32* pArr32 = (UINT32*) * ppArr; + for (i = 0; i < ulNumElem; i++) { + pArr32[i] = rm_unpack32(ppBuf, pulLen); + } + } else if (ulElemSize == sizeof(UINT16)) { + /* Unpack UINT16s */ + UINT16* pArr16 = (UINT16*) * ppArr; + for (i = 0; i < ulNumElem; i++) { + pArr16[i] = rm_unpack16(ppBuf, pulLen); + } + } + /* Clear the return value */ + retVal = HXR_OK; + } else { + retVal = HXR_OUTOFMEMORY; + } + } + } + + return retVal; +} + +UINT32 rm_unpack32_from_byte_string(BYTE** ppBuf, UINT32* pulLen) +{ + UINT32 ulRet = 0; + + if (ppBuf && *ppBuf && pulLen && *pulLen) { + UINT32 ulStrLen = rm_unpack8(ppBuf, pulLen); + if (ulStrLen == 4 && *pulLen >= ulStrLen) { + ulRet = rm_unpack32(ppBuf, pulLen); + } + } + + return ulRet; +} diff --git a/audio_codec/libraac/pns.c b/audio_codec/libraac/pns.c new file mode 100644 index 0000000..179206c --- a/dev/null +++ b/audio_codec/libraac/pns.c @@ -0,0 +1,369 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: pns.c,v 1.2 2005/03/10 17:01:56 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * pns.c - perceptual noise substitution + **************************************************************************************/ + +#include "coder.h" + +#include "assembly.h" + + +/************************************************************************************** + * Function: Get32BitVal + * + * Description: generate 32-bit unsigned random number + * + * Inputs: last number calculated (seed, first time through) + * + * Outputs: new number, saved in *last + * + * Return: 32-bit number, uniformly distributed between [0, 2^32) + * + * Notes: uses simple linear congruential generator + **************************************************************************************/ +static unsigned int Get32BitVal(unsigned int *last) +{ + unsigned int r = *last; + + /* use same coefs as MPEG reference code (classic LCG) + * use unsigned multiply to force reliable wraparound behavior in C (mod 2^32) + */ + r = (1664525U * r) + 1013904223U; + *last = r; + + return r; +} + +/* pow(2, i/4.0) for i = [0,1,2,3], format = Q30 */ +static const int pow14[4] = { + 0x40000000, 0x4c1bf829, 0x5a82799a, 0x6ba27e65 +}; + +#define NUM_ITER_INVSQRT 4 + +#define X0_COEF_2 0xc0000000 /* Q29: -2.0 */ +#define X0_OFF_2 0x60000000 /* Q29: 3.0 */ +#define Q26_3 0x0c000000 /* Q26: 3.0 */ + +/************************************************************************************** + * Function: InvRootR + * + * Description: use Newton's method to solve for x = 1/sqrt(r) + * + * Inputs: r in Q30 format, range = [0.25, 1] (normalize inputs to this range) + * + * Outputs: none + * + * Return: x = Q29, range = (1, 2) + * + * Notes: guaranteed to converge and not overflow for any r in this range + * + * xn+1 = xn - f(xn)/f'(xn) + * f(x) = 1/sqrt(r) - x = 0 (find root) + * = 1/x^2 - r + * f'(x) = -2/x^3 + * + * so xn+1 = xn/2 * (3 - r*xn^2) + * + * NUM_ITER_INVSQRT = 3, maxDiff = 1.3747e-02 + * NUM_ITER_INVSQRT = 4, maxDiff = 3.9832e-04 + **************************************************************************************/ +static int InvRootR(int r) +{ + int i, xn, t; + + /* use linear equation for initial guess + * x0 = -2*r + 3 (so x0 always >= correct answer in range [0.25, 1)) + * xn = Q29 (at every step) + */ + xn = (MULSHIFT32(r, X0_COEF_2) << 2) + X0_OFF_2; + + for (i = 0; i < NUM_ITER_INVSQRT; i++) { + t = MULSHIFT32(xn, xn); /* Q26 = Q29*Q29 */ + t = Q26_3 - (MULSHIFT32(r, t) << 2); /* Q26 = Q26 - (Q31*Q26 << 1) */ + xn = MULSHIFT32(xn, t) << (6 - 1); /* Q29 = (Q29*Q26 << 6), and -1 for division by 2 */ + } + + /* clip to range (1.0, 2.0) + * (because of rounding, this can converge to xn slightly > 2.0 when r is near 0.25) + */ + if (xn >> 30) { + xn = (1 << 30) - 1; + } + + return xn; +} + +/************************************************************************************** + * Function: ScaleNoiseVector + * + * Description: apply scaling to vector of noise coefficients for one scalefactor band + * + * Inputs: unscaled coefficients + * number of coefficients in vector (one scalefactor band of coefs) + * scalefactor for this band (i.e. noise energy) + * + * Outputs: nVals coefficients in Q(FBITS_OUT_DQ_OFF) + * + * Return: guard bit mask (OR of abs value of all noise coefs) + **************************************************************************************/ +static int ScaleNoiseVector(int *coef, int nVals, int sf) +{ + int i, c, spec, energy, sq, scalef, scalei, invSqrtEnergy, z, gbMask; + + energy = 0; + for (i = 0; i < nVals; i++) { + spec = coef[i]; + + /* max nVals = max SFB width = 96, so energy can gain < 2^7 bits in accumulation */ + sq = (spec * spec) >> 8; /* spec*spec range = (-2^30, 2^30) */ + energy += sq; + } + + /* unless nVals == 1 (or the number generator is broken...), this should not happen */ + if (energy == 0) { + return 0; /* coef[i] must = 0 for i = [0, nVals-1], so gbMask = 0 */ + } + + /* pow(2, sf/4) * pow(2, FBITS_OUT_DQ_OFF) */ + scalef = pow14[sf & 0x3]; + scalei = (sf >> 2) + FBITS_OUT_DQ_OFF; + + /* energy has implied factor of 2^-8 since we shifted the accumulator + * normalize energy to range [0.25, 1.0), calculate 1/sqrt(1), and denormalize + * i.e. divide input by 2^(30-z) and convert to Q30 + * output of 1/sqrt(i) now has extra factor of 2^((30-z)/2) + * for energy > 0, z is an even number between 0 and 28 + * final scaling of invSqrtEnergy: + * 2^(15 - z/2) to compensate for implicit 2^(30-z) factor in input + * +4 to compensate for implicit 2^-8 factor in input + */ + z = CLZ(energy) - 2; /* energy has at least 2 leading zeros (see acc loop) */ + z &= 0xfffffffe; /* force even */ + invSqrtEnergy = InvRootR(energy << z); /* energy << z must be in range [0x10000000, 0x40000000] */ + scalei -= (15 - z / 2 + 4); /* nInt = 1/sqrt(energy) in Q29 */ + + /* normalize for final scaling */ + z = CLZ(invSqrtEnergy) - 1; + invSqrtEnergy <<= z; + scalei -= (z - 3 - 2); /* -2 for scalef, z-3 for invSqrtEnergy */ + scalef = MULSHIFT32(scalef, invSqrtEnergy); /* scalef (input) = Q30, invSqrtEnergy = Q29 * 2^z */ + gbMask = 0; + + if (scalei < 0) { + scalei = -scalei; + if (scalei > 31) { + scalei = 31; + } + for (i = 0; i < nVals; i++) { + c = MULSHIFT32(coef[i], scalef) >> scalei; + gbMask |= FASTABS(c); + coef[i] = c; + } + } else { + /* for scalei <= 16, no clipping possible (coef[i] is < 2^15 before scaling) + * for scalei > 16, just saturate exponent (rare) + * scalef is close to full-scale (since we normalized invSqrtEnergy) + * remember, we are just producing noise here + */ + if (scalei > 16) { + scalei = 16; + } + for (i = 0; i < nVals; i++) { + c = MULSHIFT32(coef[i] << scalei, scalef); + coef[i] = c; + gbMask |= FASTABS(c); + } + } + + return gbMask; +} + +/************************************************************************************** + * Function: GenerateNoiseVector + * + * Description: create vector of noise coefficients for one scalefactor band + * + * Inputs: seed for number generator + * number of coefficients to generate + * + * Outputs: buffer of nVals coefficients, range = [-2^15, 2^15) + * updated seed for number generator + * + * Return: none + **************************************************************************************/ +static void GenerateNoiseVector(int *coef, int *last, int nVals) +{ + int i; + + for (i = 0; i < nVals; i++) { + coef[i] = ((signed int)Get32BitVal((unsigned int *)last)) >> 16; + } +} + +/************************************************************************************** + * Function: CopyNoiseVector + * + * Description: copy vector of noise coefficients for one scalefactor band from L to R + * + * Inputs: buffer of left coefficients + * number of coefficients to copy + * + * Outputs: buffer of right coefficients + * + * Return: none + **************************************************************************************/ +static void CopyNoiseVector(int *coefL, int *coefR, int nVals) +{ + int i; + + for (i = 0; i < nVals; i++) { + coefR[i] = coefL[i]; + } +} + +/************************************************************************************** + * Function: PNS + * + * Description: apply perceptual noise substitution, if enabled (MPEG-4 only) + * + * Inputs: valid AACDecInfo struct + * index of current channel + * + * Outputs: shaped noise in scalefactor bands where PNS is active + * updated minimum guard bit count for this channel + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +int PNS(AACDecInfo *aacDecInfo, int ch) +{ + int gp, sfb, win, width, nSamps, gb, gbMask; + int *coef; + const short *sfbTab; + unsigned char *sfbCodeBook; + short *scaleFactors; + int msMaskOffset, checkCorr, genNew; + unsigned char msMask; + unsigned char *msMaskPtr; + PSInfoBase *psi; + ICSInfo *icsInfo; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + if (!psi->pnsUsed[ch]) { + return 0; + } + + if (icsInfo->winSequence == 2) { + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + nSamps = NSAMPS_SHORT; + } else { + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + nSamps = NSAMPS_LONG; + } + coef = psi->coef[ch]; + sfbCodeBook = psi->sfbCodeBook[ch]; + scaleFactors = psi->scaleFactors[ch]; + checkCorr = (aacDecInfo->currBlockID == AAC_ID_CPE && psi->commonWin == 1 ? 1 : 0); + + gbMask = 0; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + msMaskPtr = psi->msMaskBits + ((gp * icsInfo->maxSFB) >> 3); + msMaskOffset = ((gp * icsInfo->maxSFB) & 0x07); + msMask = (*msMaskPtr++) >> msMaskOffset; + + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + width = sfbTab[sfb + 1] - sfbTab[sfb]; + if (sfbCodeBook[sfb] == 13) { + if (ch == 0) { + /* generate new vector, copy into ch 1 if it's possible that the channels will be correlated + * if ch 1 has PNS enabled for this SFB but it's uncorrelated (i.e. ms_used == 0), + * the copied values will be overwritten when we process ch 1 + */ + GenerateNoiseVector(coef, &psi->pnsLastVal, width); + if (checkCorr && psi->sfbCodeBook[1][gp * icsInfo->maxSFB + sfb] == 13) { + CopyNoiseVector(coef, psi->coef[1] + (coef - psi->coef[0]), width); + } + } else { + /* generate new vector if no correlation between channels */ + genNew = 1; + if (checkCorr && psi->sfbCodeBook[0][gp * icsInfo->maxSFB + sfb] == 13) { + if ((psi->msMaskPresent == 1 && (msMask & 0x01)) || psi->msMaskPresent == 2) { + genNew = 0; + } + } + if (genNew) { + GenerateNoiseVector(coef, &psi->pnsLastVal, width); + } + } + gbMask |= ScaleNoiseVector(coef, width, psi->scaleFactors[ch][gp * icsInfo->maxSFB + sfb]); + } + coef += width; + + /* get next mask bit (should be branchless on ARM) */ + msMask >>= 1; + if (++msMaskOffset == 8) { + msMask = *msMaskPtr++; + msMaskOffset = 0; + } + } + coef += (nSamps - sfbTab[icsInfo->maxSFB]); + } + sfbCodeBook += icsInfo->maxSFB; + scaleFactors += icsInfo->maxSFB; + } + + /* update guard bit count if necessary */ + gb = CLZ(gbMask) - 1; + if (psi->gbCurrent[ch] > gb) { + psi->gbCurrent[ch] = gb; + } + + return 0; +} diff --git a/audio_codec/libraac/ra_depack.c b/audio_codec/libraac/ra_depack.c new file mode 100644 index 0000000..b78c8f0 --- a/dev/null +++ b/audio_codec/libraac/ra_depack.c @@ -0,0 +1,230 @@ +#include +#include "../include/helix_types.h" +#include "../include/helix_result.h" +#include "../include/ra_depack.h" +#include "ra_depack_internal.h" +#include "../include/rm_memory_default.h" +#include "../include/rm_error_default.h" +#include "../include/memory_utils.h" +#include "../include/stream_hdr_utils.h" + +ra_depack* ra_depack_create(void* pAvail, + ra_block_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError) +{ + return ra_depack_create2(pAvail, + fpAvail, + pUserError, + fpError, + HXNULL, + rm_memory_default_malloc, + rm_memory_default_free); +} + +ra_depack* ra_depack_create2(void* pAvail, + ra_block_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + ra_depack* pRet = HXNULL; + + if (fpAvail && fpMalloc && fpFree) { + /* Allocate space for the ra_depack_internal struct + * by using the passed-in malloc function + */ + ra_depack_internal* pInt = + (ra_depack_internal*) fpMalloc(pUserMem, sizeof(ra_depack_internal)); + if (pInt) { + /* Zero out the struct */ + memset((void*) pInt, 0, sizeof(ra_depack_internal)); + /* Assign the frame callback members */ + pInt->pAvail = pAvail; + pInt->fpAvail = fpAvail; + /* + * Assign the error members. If the caller did not + * provide an error callback, then use the default + * rm_error_default(). + */ + if (fpError) { + pInt->fpError = fpError; + pInt->pUserError = pUserError; + } else { + pInt->fpError = rm_error_default; + pInt->pUserError = HXNULL; + } + /* Assign the memory functions */ + pInt->fpMalloc = fpMalloc; + pInt->fpFree = fpFree; + pInt->pUserMem = pUserMem; + /* Assign the return value */ + pRet = (ra_depack*) pInt; + } + } + + return pRet; +} + +HX_RESULT ra_depack_init(ra_depack* pDepack, rm_stream_header* header) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack && header) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Call the internal init */ + retVal = ra_depacki_init(pInt, header); + } + + return retVal; +} + +UINT32 ra_depack_get_num_substreams(ra_depack* pDepack) +{ + UINT32 ulRet = 0; + + if (pDepack) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Return the number of substreams */ + ulRet = pInt->multiStreamHdr.ulNumSubStreams; + } + + return ulRet; +} + +UINT32 ra_depack_get_codec_4cc(ra_depack* pDepack, UINT32 ulSubStream) +{ + UINT32 ulRet = 0; + + if (pDepack) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Make sure the substream index is legal */ + if (pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + ulRet = pInt->pSubStreamHdr[ulSubStream].ulCodecID; + } + } + + return ulRet; +} + +HX_RESULT ra_depack_get_codec_init_info(ra_depack* pDepack, + UINT32 ulSubStream, + ra_format_info** ppInfo) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack && ppInfo) { + /* Init local variables */ + UINT32 ulSize = sizeof(ra_format_info); + ra_format_info* pInfo = HXNULL; + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Allocate space for the struct */ + pInfo = ra_depacki_malloc(pInt, ulSize); + if (pInfo) { + /* NULL out the memory */ + memset(pInfo, 0, ulSize); + /* Fill in the init info struct */ + retVal = ra_depacki_get_format_info(pInt, ulSubStream, pInfo); + if (retVal == HXR_OK) { + /* Assign the out parameter */ + *ppInfo = pInfo; + } else { + /* We failed so free the memory we allocated */ + ra_depacki_free(pInt, pInfo); + } + } + } + + return retVal; +} + +void ra_depack_destroy_codec_init_info(ra_depack* pDepack, ra_format_info** ppInfo) +{ + if (pDepack && ppInfo && *ppInfo) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Clean up the format info struct */ + ra_depacki_cleanup_format_info(pInt, *ppInfo); + /* Delete the memory associated with it */ + ra_depacki_free(pInt, *ppInfo); + /* NULL the pointer out */ + *ppInfo = HXNULL; + } +} + +HX_RESULT ra_depack_add_packet(ra_depack* pDepack, rm_packet* packet) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack && packet) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Call the internal function */ + retVal = ra_depacki_add_packet(pInt, packet); + } + + return retVal; +} + +void ra_depack_destroy_block(ra_depack* pDepack, ra_block** ppBlock) +{ + if (pDepack && ppBlock && *ppBlock) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Free the data */ + if ((*ppBlock)->pData) { + ra_depacki_free(pInt, (*ppBlock)->pData); + (*ppBlock)->pData = HXNULL; + } + /* Free the memory itself */ + ra_depacki_free(pInt, *ppBlock); + /* Null out the pointer */ + *ppBlock = HXNULL; + } +} + +HX_RESULT ra_depack_seek(ra_depack* pDepack, UINT32 ulTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack) { + /* Get the internal struct */ + ra_depack_internal* pInt = (ra_depack_internal*) pDepack; + /* Call the internal seek function */ + retVal = ra_depacki_seek(pInt, ulTime); + } + + return retVal; +} + +void ra_depack_destroy(ra_depack** ppDepack) +{ + if (ppDepack) { + ra_depack_internal* pInt = (ra_depack_internal*) * ppDepack; + if (pInt && pInt->fpFree) { + /* Save a pointer to fpFree and pUserMem */ + rm_free_func_ptr fpFree = pInt->fpFree; + void* pUserMem = pInt->pUserMem; + /* Clean up multistream header */ + rm_cleanup_multistream_hdr(fpFree, pUserMem, &pInt->multiStreamHdr); + /* Clean up rule map */ + rm_cleanup_rule_map(fpFree, pUserMem, &pInt->rule2Flag); + /* Clean up the substream header array */ + ra_depacki_cleanup_substream_hdr_array(pInt); + /* Null everything out */ + memset(pInt, 0, sizeof(ra_depack_internal)); + /* Free the rm_parser_internal struct memory */ + fpFree(pUserMem, pInt); + /* NULL out the pointer */ + *ppDepack = HXNULL; + } + } +} + diff --git a/audio_codec/libraac/ra_depack_internal.c b/audio_codec/libraac/ra_depack_internal.c new file mode 100644 index 0000000..4fcdd05 --- a/dev/null +++ b/audio_codec/libraac/ra_depack_internal.c @@ -0,0 +1,1713 @@ +#include +#include +#include +#include "../include/helix_types.h" +#include "../include/helix_result.h" +#include "../include/pack_utils.h" +#include "../include/string_utils.h" +#include "../include/memory_utils.h" +#include "../include/packet_defines.h" +#include "../include/codec_defines.h" +#include "../include/stream_hdr_utils.h" +#include "ra_depack_internal.h" +#include "../include/rasl.h" + +/* Defines */ +#define TIMESTAMP_GAP_FUDGE_FACTOR 1 /* Maximum non-loss, non-seek gap in ms between packets */ +#define INITIAL_FRAG_BUFFER_SIZE 2048 /* Initial size of frag buffer */ +#define RA_COPY_BUF 0 + +void* ra_depacki_malloc(ra_depack_internal* pInt, UINT32 ulSize) +{ + void* pRet = HXNULL; + + if (pInt && pInt->fpMalloc) { + pRet = pInt->fpMalloc(pInt->pUserMem, ulSize); + } + + return pRet; +} + +void ra_depacki_free(ra_depack_internal* pInt, void* pMem) +{ + if (pInt && pInt->fpFree) { + pInt->fpFree(pInt->pUserMem, pMem); + } +} + +HX_RESULT ra_depacki_init(ra_depack_internal* pInt, rm_stream_header* hdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && hdr) { + /* Initialize local variables */ + UINT32 ulTmp = 0; + BYTE* pTmp = HXNULL; + UINT32 i = 0; + /* Check if we have a "HasRelativeTS" property - OK if we don't */ + if (HX_SUCCEEDED(rm_stream_get_property_int(hdr, "TrackStartTime", &ulTmp))) { + pInt->bForceTrackStartTime = TRUE; + pInt->ulTrackStartTime = ulTmp; + } + /* Check if we have a "ZeroTimeOffset" property - OK if we don't */ + if (HX_SUCCEEDED(rm_stream_get_property_int(hdr, "TrackEndTime", &ulTmp))) { + pInt->bForceTrackEndTime = TRUE; + pInt->ulTrackEndTime = ulTmp; + } + /* Check if we have an EndTime property */ + if (HX_SUCCEEDED(rm_stream_get_property_int(hdr, "EndTime", &ulTmp))) { + pInt->bHasEndTime = TRUE; + pInt->ulEndTime = ulTmp; + } + /* Copy the stream duration */ + pInt->ulStreamDuration = hdr->ulDuration; + /* If we have an end time, then clip the duration */ + if (pInt->bHasEndTime && + pInt->ulEndTime && + pInt->ulStreamDuration > pInt->ulEndTime) { + pInt->ulStreamDuration = pInt->ulEndTime; + } + if (pInt->ulStreamDuration == 0) { + pInt->ulStreamDuration = 0x7fffffff; + } + /* Check if we have a "RMFF 1.0 Flags" property */ + retVal = rm_stream_get_property_buf(hdr, "RMFF 1.0 Flags", &pTmp, &ulTmp); + if (retVal == HXR_OK) { + /* Parse the "RMFF 1.0 Flags" property */ + retVal = ra_depacki_unpack_rule_map(pInt, &pInt->rule2Flag, + &pTmp, &ulTmp); + if (retVal == HXR_OK) { + /* Get the "OpaqueData" property */ + retVal = rm_stream_get_property_buf(hdr, "OpaqueData", &pTmp, &ulTmp); + if (retVal == HXR_OK) { + /* Unpack the opaque data */ + retVal = ra_depacki_unpack_opaque_data(pInt, pTmp, ulTmp); + } + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_unpack_rule_map(ra_depack_internal* pInt, + rm_rule_map* pMap, + BYTE** ppBuf, + UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + retVal = rm_unpack_rule_map(ppBuf, pulLen, + pInt->fpMalloc, + pInt->fpFree, + pInt->pUserMem, + pMap); + } + + return retVal; +} + +HX_RESULT ra_depacki_unpack_multistream_hdr(ra_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + retVal = rm_unpack_multistream_hdr(ppBuf, pulLen, + pInt->fpMalloc, + pInt->fpFree, + pInt->pUserMem, + &pInt->multiStreamHdr); + } + + return retVal; +} + +HX_RESULT ra_depacki_unpack_opaque_data(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pBuf && ulLen >= 4) { + /* Initialize local variables */ + UINT32 ulSize = 0; + UINT32 ulID = 0; + UINT32 i = 0; + UINT32 ulTmp = 0; + /* + * If the first four bytes are MLTI, then we + * know the opaque data contains a multistream header + * followed by several normal headers. So first we + * need to check the first four bytes. + */ + ulID = rm_unpack32(&pBuf, &ulLen); + /* Now back up 4 bytes */ + pBuf -= 4; + ulLen += 4; + /* Is this a multistream header? */ + if (ulID == RM_MULTIHEADER_OBJECT) { + /* Unpack the multistream header */ + retVal = ra_depacki_unpack_multistream_hdr(pInt, &pBuf, &ulLen); + if (retVal == HXR_OK) { + pInt->bStreamSwitchable = TRUE; + } + } else if (ulID == RA_FORMAT_ID) { + /* Single-rate stream */ + pInt->multiStreamHdr.ulNumSubStreams = 1; + /* Clear the stream switchable flag */ + pInt->bStreamSwitchable = FALSE; + /* Clear the return value */ + retVal = HXR_OK; + } + /* Clean up any existing substream header array */ + ra_depacki_cleanup_substream_hdr_array(pInt); + /* Set the return value */ + retVal = HXR_FAIL; + /* Allocate space for substream header array */ + ulSize = pInt->multiStreamHdr.ulNumSubStreams * sizeof(ra_substream_hdr); + pInt->pSubStreamHdr = (ra_substream_hdr*) ra_depacki_malloc(pInt, ulSize); + if (pInt->pSubStreamHdr) { + /* NULL out the memory */ + memset(pInt->pSubStreamHdr, 0, ulSize); + /* Clear the return value */ + retVal = HXR_OK; + /* Loop through and unpack each substream header */ + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams && retVal == HXR_OK; i++) { + /* Is this a multiheader? */ + if (pInt->bStreamSwitchable) { + /* + * If this is a multistream header, then there + * is a 4-byte length in front of every substream header + */ + if (ulLen >= 4) { + ulSize = rm_unpack32(&pBuf, &ulLen); + } else { + retVal = HXR_FAIL; + } + } else { + /* + * If this is not a multi-stream header, then + * the rest of the buffer is a single substream header + */ + ulSize = ulLen; + } + /* Make sure we have enough parsing buffer */ + if (ulLen >= ulSize) { + /* Now unpack an substream header */ + retVal = ra_depacki_unpack_substream_hdr(pInt, pBuf, ulSize, + &pInt->pSubStreamHdr[i]); + if (retVal == HXR_OK) { + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[i]; + /* + * If the interleaver ID is either VBRS of VBRF, + * then this is a VBR stream. + */ + if (pHdr->ulInterleaverID == RA_INTERLEAVER_VBRS || + pHdr->ulInterleaverID == RA_INTERLEAVER_VBRF) { + pHdr->bIsVBR = TRUE; + } + /* Compute the number of codec frames per superblock */ + if (pHdr->ulCodecFrameSize) { + pHdr->ulNumCodecFrames = pHdr->ulInterleaveBlockSize * + pHdr->ulInterleaveFactor / + pHdr->ulCodecFrameSize; + } + /* Compute the ms per block */ + if (pHdr->ulBytesPerMin) { + pHdr->dBlockDuration = ((double) pHdr->ulInterleaveBlockSize) * + 60000.0 / + ((double) pHdr->ulBytesPerMin); + } + /* Compute the superblock size and time */ + pHdr->ulSuperBlockSize = pHdr->ulInterleaveBlockSize * + pHdr->ulInterleaveFactor; + pHdr->ulSuperBlockTime = (UINT32)(pHdr->dBlockDuration * + ((double) pHdr->ulInterleaveFactor)); + /* Is this stream VBR? */ + if (pHdr->bIsVBR) { + /* Init the last sent block end time */ + pHdr->ulLastSentEndTime = 0; + /* + * Init the frag buffer members. The frag buffer + * willl be set up the first time it is needed. + */ + pHdr->pFragBuffer = HXNULL; + pHdr->ulFragBufferSize = 0; + pHdr->ulFragBufferOffset = 0; + pHdr->ulFragBufferTime = 0; + } else { + /* Set the return value */ + retVal = HXR_OUTOFMEMORY; + /* Set the superblock keyframe time */ + pHdr->bHasKeyTime = FALSE; + pHdr->ulKeyTime = 0; + /* Allocate the interleaved buffer */ + pHdr->pIBuffer = (BYTE*) ra_depacki_malloc(pInt, pHdr->ulSuperBlockSize); + if (pHdr->pIBuffer) { + /* Zero out the buffer */ + memset(pHdr->pIBuffer, 0, pHdr->ulSuperBlockSize); + /* Allocate the de-interleaved buffer */ + pHdr->pDBuffer = (BYTE*) ra_depacki_malloc(pInt, pHdr->ulSuperBlockSize); + if (pHdr->pDBuffer) { + /* Zero out the buffer */ + memset(pHdr->pDBuffer, 0, pHdr->ulSuperBlockSize); + /* Allocate the interleaved flags */ + ulTmp = pHdr->ulInterleaveFactor * sizeof(UINT32); + pHdr->pIPresentFlags = (UINT32*) ra_depacki_malloc(pInt, ulTmp); + if (pHdr->pIPresentFlags) { + /* Zero out the flags */ + memset(pHdr->pIPresentFlags, 0, ulTmp); + /* Allocate the de-interleaved flags */ + pHdr->pDPresentFlags = (UINT32*) ra_depacki_malloc(pInt, ulTmp); + if (pHdr->pDPresentFlags) { + /* Null out the memory */ + memset(pHdr->pDPresentFlags, 0, ulTmp); + /* Clear the return value */ + retVal = HXR_OK; + /* If this is GENR interleaving, then init the tables */ + if (pHdr->ulInterleaverID == RA_INTERLEAVER_GENR) { + retVal = ra_depacki_init_genr(pInt, i); + } + } + } + } + } + } + /* Update the buffer cursors */ + pBuf += ulSize; + ulLen -= ulSize; + } + } else { + retVal = HXR_FAIL; + } + } + } + } + + return retVal; +} + +void ra_depacki_cleanup_substream_hdr(ra_depack_internal* pInt, + ra_substream_hdr* hdr) +{ + if (pInt && hdr) { + if (hdr->pulInterleavePattern) { + ra_depacki_free(pInt, hdr->pulInterleavePattern); + hdr->pulInterleavePattern = HXNULL; + } + if (hdr->pOpaqueData) { + ra_depacki_free(pInt, hdr->pOpaqueData); + hdr->pOpaqueData = HXNULL; + } + if (hdr->pFragBuffer) { + ra_depacki_free(pInt, hdr->pFragBuffer); + hdr->pFragBuffer = HXNULL; + } + if (hdr->pIBuffer) { + ra_depacki_free(pInt, hdr->pIBuffer); + hdr->pIBuffer = HXNULL; + } + if (hdr->pDBuffer) { + ra_depacki_free(pInt, hdr->pDBuffer); + hdr->pDBuffer = HXNULL; + } + if (hdr->pIPresentFlags) { + ra_depacki_free(pInt, hdr->pIPresentFlags); + hdr->pIPresentFlags = HXNULL; + } + if (hdr->pDPresentFlags) { + ra_depacki_free(pInt, hdr->pDPresentFlags); + hdr->pDPresentFlags = HXNULL; + } + if (hdr->pulGENRPattern) { + ra_depacki_free(pInt, hdr->pulGENRPattern); + hdr->pulGENRPattern = HXNULL; + } + if (hdr->pulGENRBlockNum) { + ra_depacki_free(pInt, hdr->pulGENRBlockNum); + hdr->pulGENRBlockNum = HXNULL; + } + if (hdr->pulGENRBlockOffset) { + ra_depacki_free(pInt, hdr->pulGENRBlockOffset); + hdr->pulGENRBlockOffset = HXNULL; + } + } +} + +void ra_depacki_cleanup_substream_hdr_array(ra_depack_internal* pInt) +{ + if (pInt && pInt->pSubStreamHdr) { + UINT32 i = 0; + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams; i++) { + ra_depacki_cleanup_substream_hdr(pInt, &pInt->pSubStreamHdr[i]); + } + /* Free the header array */ + ra_depacki_free(pInt, pInt->pSubStreamHdr); + /* NULL out the pointer */ + pInt->pSubStreamHdr = HXNULL; + } +} + +HX_RESULT ra_depacki_unpack_substream_hdr(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pBuf && ulLen >= 6 && pHdr) { + UINT32 ulID = 0; + UINT16 usVersion = 0; + /* Clean up any existing header info */ + ra_depacki_cleanup_substream_hdr(pInt, pHdr); + /* Read the ID and the RAFormat version */ + ulID = rm_unpack32(&pBuf, &ulLen); + usVersion = rm_unpack16(&pBuf, &ulLen); + /* Sanity check on ID */ + if (ulID == RA_FORMAT_ID) { + /* Switch based on RAFormat version */ + switch (usVersion) { + case 3: + retVal = ra_depacki_unpack_raformat3(pInt, pBuf, ulLen, pHdr); + break; + case 4: + retVal = ra_depacki_unpack_raformat4(pInt, pBuf, ulLen, pHdr); + break; + case 5: + retVal = ra_depacki_unpack_raformat5(pInt, pBuf, ulLen, pHdr); + break; + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_unpack_raformat3(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr) +{ + return HXR_NOTIMPL; +} + +HX_RESULT ra_depacki_unpack_raformat4(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pBuf && ulLen >= 63 && pHdr) { + /* Init local variables */ + UINT32 ulSize = 0; + UINT32 i = 0; + /* Skip first 10 bytes */ + pBuf += 10; + ulLen -= 10; + /* Read the version and revision */ + pHdr->usRAFormatVersion = rm_unpack16(&pBuf, &ulLen); + pHdr->usRAFormatRevision = rm_unpack16(&pBuf, &ulLen); + /* Sanity check */ + if (pHdr->usRAFormatVersion == 4 && + pHdr->usRAFormatRevision == 0) { + pHdr->usHeaderBytes = rm_unpack16(&pBuf, &ulLen); + pHdr->usFlavorIndex = rm_unpack16(&pBuf, &ulLen); + pHdr->ulGranularity = rm_unpack32(&pBuf, &ulLen); + pHdr->ulTotalBytes = rm_unpack32(&pBuf, &ulLen); + pHdr->ulBytesPerMin = rm_unpack32(&pBuf, &ulLen); + pHdr->ulBytesPerMin2 = rm_unpack32(&pBuf, &ulLen); + pHdr->ulInterleaveFactor = rm_unpack16(&pBuf, &ulLen); + pHdr->ulInterleaveBlockSize = rm_unpack16(&pBuf, &ulLen); + pHdr->ulUserData = rm_unpack32(&pBuf, &ulLen); + pHdr->ulSampleRate = rm_unpack32(&pBuf, &ulLen); + pHdr->ulSampleRate >>= 16; + pHdr->ulSampleSize = rm_unpack16(&pBuf, &ulLen); + pHdr->ulChannels = rm_unpack16(&pBuf, &ulLen); + pHdr->ulInterleaverID = rm_unpack32_from_byte_string(&pBuf, &ulLen); + pHdr->ulCodecID = rm_unpack32_from_byte_string(&pBuf, &ulLen); + pHdr->bIsInterleaved = rm_unpack8(&pBuf, &ulLen); + pHdr->bCopyByte = rm_unpack8(&pBuf, &ulLen); + pHdr->ucStreamType = rm_unpack8(&pBuf, &ulLen); + /* + * If the bIsInterleaved flag says we are + * not interleaved, then make sure the + * interleaverID is set to no interleaver. + */ + if (!pHdr->bIsInterleaved) { + pHdr->ulInterleaverID = RA_NO_INTERLEAVER; + } + /* If the interleave factor is 0, make it 1. */ + if (!pHdr->ulInterleaveFactor) { + pHdr->ulInterleaveFactor = 1; + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_unpack_raformat5(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pBuf && ulLen >= 68 && pHdr) { + /* Init local variables */ + UINT32 ulSize = 0; + UINT32 i = 0; + /* Skip first 10 bytes */ + pBuf += 10; + ulLen -= 10; + /* Read the version and revision */ + pHdr->usRAFormatVersion = rm_unpack16(&pBuf, &ulLen); + pHdr->usRAFormatRevision = rm_unpack16(&pBuf, &ulLen); + /* Sanity check */ + if (pHdr->usRAFormatVersion == 5 && + pHdr->usRAFormatRevision == 0) { + pHdr->usHeaderBytes = rm_unpack16(&pBuf, &ulLen); + pHdr->usFlavorIndex = rm_unpack16(&pBuf, &ulLen); + pHdr->ulGranularity = rm_unpack32(&pBuf, &ulLen); + pHdr->ulTotalBytes = rm_unpack32(&pBuf, &ulLen); + pHdr->ulBytesPerMin = rm_unpack32(&pBuf, &ulLen); + pHdr->ulBytesPerMin2 = rm_unpack32(&pBuf, &ulLen); + pHdr->ulInterleaveFactor = rm_unpack16(&pBuf, &ulLen); + pHdr->ulInterleaveBlockSize = rm_unpack16(&pBuf, &ulLen); + pHdr->ulCodecFrameSize = rm_unpack16(&pBuf, &ulLen); + pHdr->ulUserData = rm_unpack32(&pBuf, &ulLen); + pHdr->ulSampleRate = rm_unpack32(&pBuf, &ulLen); + pHdr->ulSampleRate >>= 16; + pHdr->ulActualSampleRate = rm_unpack32(&pBuf, &ulLen); + pHdr->ulActualSampleRate >>= 16; + pHdr->ulSampleSize = rm_unpack16(&pBuf, &ulLen); + pHdr->ulChannels = rm_unpack16(&pBuf, &ulLen); + pHdr->ulInterleaverID = rm_unpack32(&pBuf, &ulLen); + pHdr->ulCodecID = rm_unpack32(&pBuf, &ulLen); + pHdr->bIsInterleaved = rm_unpack8(&pBuf, &ulLen); + pHdr->bCopyByte = rm_unpack8(&pBuf, &ulLen); + pHdr->ucStreamType = rm_unpack8(&pBuf, &ulLen); + pHdr->ucScatterType = rm_unpack8(&pBuf, &ulLen); + pHdr->ulNumCodecFrames = pHdr->ulInterleaveFactor * + pHdr->ulInterleaveBlockSize / + pHdr->ulCodecFrameSize; + /* Clear the return value */ + retVal = HXR_OK; + /* + * If ucScatterType is non-zero, then we have + * to read in an interleave pattern. + */ + if (pHdr->ucScatterType) { + /* Set the return value */ + retVal = HXR_FAIL; + /* Allocate space for the interleave pattern */ + ulSize = pHdr->ulNumCodecFrames * sizeof(UINT32); + pHdr->pulInterleavePattern = ra_depacki_malloc(pInt, ulSize); + if (pHdr->pulInterleavePattern) { + /* NULL out all the memory */ + memset(pHdr->pulInterleavePattern, 0, ulSize); + /* Make sure we have enough parsing buffer left */ + if (ulLen >= ulSize) { + /* Read in the interleave pattern */ + for (i = 0; i < pHdr->ulNumCodecFrames; i++) { + pHdr->pulInterleavePattern[i] = rm_unpack16(&pBuf, &ulLen); + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + if (retVal == HXR_OK) { + /* Set the return value */ + retVal = HXR_FAIL; + /* Make sure we have four bytes */ + if (ulLen >= 4) { + /* Read in the opaque data size */ + pHdr->ulOpaqueDataSize = rm_unpack32(&pBuf, &ulLen); + /* Make sure we have this much parsing space left */ + if ((ulLen >= pHdr->ulOpaqueDataSize) && (pHdr->ulOpaqueDataSize > 0)) { + /* Allocate the buffer */ + pHdr->pOpaqueData = ra_depacki_malloc(pInt, pHdr->ulOpaqueDataSize); + if (pHdr->pOpaqueData) { + /* Copy the opaque data */ + memcpy(pHdr->pOpaqueData, pBuf, pHdr->ulOpaqueDataSize); + /* Clear the return value */ + retVal = HXR_OK; + /* + * If the bIsInterleaved flag says we are + * not interleaved, then make sure the + * interleaverID is set to no interleaver. + */ + if (!pHdr->bIsInterleaved) { + pHdr->ulInterleaverID = RA_NO_INTERLEAVER; + } + /* If the interleave factor is 0, make it 1. */ + if (!pHdr->ulInterleaveFactor) { + pHdr->ulInterleaveFactor = 1; + } + } + } else if (pHdr->ulOpaqueDataSize == 0) { + retVal = HXR_OK; + } + } + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_get_format_info(ra_depack_internal* pInt, + UINT32 ulSubStream, + ra_format_info* pInfo) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInfo && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Init local variables */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + if (pHdr) { + /* Clean up any existing format info */ + ra_depacki_cleanup_format_info(pInt, pInfo); + /* Assign members */ + pInfo->ulSampleRate = pHdr->ulSampleRate; + pInfo->ulActualRate = pHdr->ulActualSampleRate; + pInfo->usBitsPerSample = (UINT16) pHdr->ulSampleSize; + pInfo->usNumChannels = (UINT16) pHdr->ulChannels; + pInfo->usAudioQuality = 100; + pInfo->usFlavorIndex = pHdr->usFlavorIndex; + pInfo->ulBitsPerFrame = pHdr->ulCodecFrameSize; + pInfo->ulGranularity = pHdr->ulGranularity; + pInfo->ulOpaqueDataSize = pHdr->ulOpaqueDataSize; + /* Copy the opaque data buffer */ + pInfo->pOpaqueData = copy_buffer(pInt->pUserMem, + pInt->fpMalloc, + pHdr->pOpaqueData, + pHdr->ulOpaqueDataSize); + if (!pInfo->ulOpaqueDataSize || pInfo->pOpaqueData) { + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + + return retVal; +} + +void ra_depacki_cleanup_format_info(ra_depack_internal* pInt, + ra_format_info* pInfo) +{ + if (pInt && pInfo && pInfo->pOpaqueData) { + ra_depacki_free(pInt, pInfo->pOpaqueData); + pInfo->pOpaqueData = HXNULL; + } +} + +UINT32 ra_depacki_rule_to_flags(ra_depack_internal* pInt, UINT32 ulRule) +{ + UINT32 ulRet = 0; + + if (pInt && pInt->rule2Flag.pulMap && + ulRule < pInt->rule2Flag.ulNumRules) { + ulRet = pInt->rule2Flag.pulMap[ulRule]; + } + + return ulRet; +} + +HXBOOL ra_depacki_is_keyframe_rule(ra_depack_internal* pInt, UINT32 ulRule) +{ + UINT32 ulFlag = ra_depacki_rule_to_flags(pInt, ulRule); + return (ulFlag & HX_KEYFRAME_FLAG ? TRUE : FALSE); +} + +UINT32 ra_depacki_rule_to_substream(ra_depack_internal* pInt, UINT32 ulRule) +{ + UINT32 ulRet = 0; + + if (pInt && pInt->multiStreamHdr.rule2SubStream.pulMap && + ulRule < pInt->multiStreamHdr.rule2SubStream.ulNumRules) { + ulRet = pInt->multiStreamHdr.rule2SubStream.pulMap[ulRule]; + } + + return ulRet; +} + +HX_RESULT ra_depacki_add_packet(ra_depack_internal* pInt, + rm_packet* pPacket) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pPacket) { + /* Init local variables */ + UINT32 i = 0; + /* Was this packet lost? */ + if (!pPacket->ucLost) { + /* This packet was not lost, so we can look up the substream. */ + UINT32 ulSubStream = ra_depacki_rule_to_substream(pInt, pPacket->ucASMRule); + /* Sanity check */ + if (pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Is this substream VBR? */ + if (pInt->pSubStreamHdr[ulSubStream].bIsVBR) { + /* Add the VBR packet */ + retVal = ra_depacki_add_vbr_packet(pInt, ulSubStream, pPacket); + } else { + /* Add the non-VBR packet */ + retVal = ra_depacki_add_non_vbr_packet(pInt, ulSubStream, pPacket); + } + } + } else { + /* Are we multistream or single-stream? */ + if (pInt->bStreamSwitchable) { + /* + * We are multi-stream. Therefore, we don't know which + * substream this packet came from. So we simply set the + * flag saying some loss happened in each substream. + */ + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams; i++) { + pInt->pSubStreamHdr[i].bLossOccurred = TRUE; + } + /* Clear the return value */ + retVal = HXR_OK; + } else { + /* + * We are single substream, so we just pass the + * lost packet on. It has to be substream 0, of course. + */ + if (pInt->pSubStreamHdr && + pInt->multiStreamHdr.ulNumSubStreams) { + /* Is the single substream VBR? */ + if (pInt->pSubStreamHdr[0].bIsVBR) { + retVal = ra_depacki_add_vbr_packet(pInt, 0, pPacket); + } else { + retVal = ra_depacki_add_non_vbr_packet(pInt, 0, pPacket); + } + } + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_add_vbr_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pPacket) { + /* Is the packet lost? */ + if (!pPacket->ucLost) { + /* Packet was not lost */ + if (pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Init local variables */ + UINT32 ulNumAU = 0; + HXBOOL bFrag = FALSE; + UINT32 ulAUSize = 0; + UINT32 ulAUFragSize = 0; + UINT32 i = 0; + /* Parse this VBR packet */ + retVal = ra_depacki_parse_vbr_packet(pInt, pPacket, &ulNumAU, &bFrag, + &ulAUSize, &ulAUFragSize); + if (retVal == HXR_OK) { + /* + * Are we within the tolerance? We expect to + * be if we didn't seek. Otherwise, we had loss. + */ + if (pPacket->ulTime > pHdr->ulLastSentEndTime + TIMESTAMP_GAP_FUDGE_FACTOR && + !pHdr->bSeeked) { + /* We need to send some loss packets */ + retVal = ra_depacki_generate_and_send_loss(pInt, + ulSubStream, + pHdr->ulLastSentEndTime, + pPacket->ulTime); + if (retVal == HXR_OK) { + pHdr->ulLastSentEndTime = pPacket->ulTime; + } + } + /* Have we just seeked? */ + if (pHdr->bSeeked) { + /* Clear any remaining fragment */ + ra_depacki_clear_frag_buffer(pInt, pHdr); + /* Set the last sent time to this time */ + pHdr->ulLastSentEndTime = pPacket->ulTime; + /* Clear the seeked flag */ + pHdr->bSeeked = FALSE; + } + /* Does this packet hold a fragmented AU? */ + if (bFrag) { + /* Handle the fragmented packet */ + retVal = ra_depacki_handle_frag_packet(pInt, ulSubStream, pPacket, + ulAUSize, ulAUFragSize); + } else { + /* Handle the non-fragmented packet */ + retVal = ra_depacki_handle_nonfrag_packet(pInt, ulSubStream, + pPacket, ulNumAU); + } + } + } + } else { + /* Packet is lost - not an error */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_add_non_vbr_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pPacket && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Init local variables */ + HXBOOL bKey = FALSE; + HXDOUBLE dTimeDiff = 0.0; + HXDOUBLE dBlockNum = 0; + UINT32 ulBlockNum = 0; + HXDOUBLE dTSOffset = 0.0; + UINT32 ulTSOffset = 0; + UINT32 ulPacketTime = pPacket->ulTime; + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Is the packet lost? */ + if (!pPacket->ucLost) { + /* Is this a keyframe packet? */ + bKey = ra_depacki_is_keyframe_rule(pInt, pPacket->ucASMRule); + /* + * We need to determine the index of this block + * in this superblock. We will do this by knowing + * the timestamp of this packet (block), the timestamp + * of the key block in this superblock, and the block + * duration. First we make sure we have a key block time. + */ + if (bKey && !pHdr->bHasKeyTime) { + /* We note the timestamp of this key block */ + pHdr->ulKeyTime = pPacket->ulTime; + /* Set the flag saying we have a key time */ + pHdr->bHasKeyTime = TRUE; + } + /* Now we should have a key time */ + if (pHdr->bHasKeyTime && ulPacketTime >= pHdr->ulKeyTime) { + /* + * Have we yet determined whether or + * not we need to adjust timestamps? + */ + if (!pHdr->bKnowIfAdjustNeeded) { + /* + * If the last packet was not lost and was a + * keyframe and this packet is not a keyframe + * and the timestamps are the same, then we need + * to adjust timestamps. + */ + if (pHdr->bHasLastPacket && + !pHdr->lastPacket.ucLost && + !bKey) { + /* Is this timestamp the same as the last packets? */ + if (ulPacketTime == pHdr->lastPacket.ulTime) { + pHdr->bAdjustTimestamps = TRUE; + } else { + pHdr->bAdjustTimestamps = FALSE; + } + /* Now we know */ + pHdr->bKnowIfAdjustNeeded = TRUE; + } + } + /* Do we need to adjust timestamps? */ + if (pHdr->bKnowIfAdjustNeeded && + pHdr->bAdjustTimestamps && + !bKey) { + dTSOffset = pHdr->ulBlockCount * pHdr->dBlockDuration; + ulTSOffset = (UINT32)(dTSOffset + 0.5); + ulPacketTime += ulTSOffset; + } + /* Compute the index of the block within the superblock */ + dTimeDiff = (HXDOUBLE)(ulPacketTime - pHdr->ulKeyTime); +#ifndef __ARC600__ + if (pHdr->dBlockDuration) +#else + if (pHdr->dBlockDuration == 0.0) { + ; + } else +#endif + { + dBlockNum = dTimeDiff / pHdr->dBlockDuration; + } + ulBlockNum = (UINT32)(dBlockNum + 0.5); + /* Is this block beyond our superblock? */ + if (ulBlockNum >= pHdr->ulInterleaveFactor) { + /* + * We must have had loss at the end of the + * previous superblock, since we have received + * a packet in the next superblock without having + * sent the current superblock. Therefore, we attempt + * to finish out the current superblock and send it. + */ + retVal = ra_depacki_deinterleave_send(pInt, ulSubStream); + if (retVal == HXR_OK) { + /* Now we need to update the block index */ + if (bKey) { + /* + * This packet is a keyframe packet, so + * we simply assign the new time and set + * the block index to 0. + */ + pHdr->ulKeyTime = pPacket->ulTime; + ulBlockNum = 0; + } else { + /* + * This is not a keyframe packet, so we need to + * keep adding the superblock time to the key time + * and keep subtracting interleave factor to the block + * index until we reach the range [0,intereaveFactor-1] + * for the index. + */ + do { + pHdr->ulKeyTime += pHdr->ulSuperBlockTime; + ulBlockNum -= pHdr->ulInterleaveFactor; + } while (ulBlockNum < pHdr->ulInterleaveFactor); + } + } + } + /* Sanity check on buffer copy parameters */ + if (ulBlockNum < pHdr->ulInterleaveFactor && + ((UINT32) pPacket->usDataLen) == pHdr->ulInterleaveBlockSize && + pHdr->pIPresentFlags) { + /* Copy the data into the interleave buffer */ + memcpy(pHdr->pIBuffer + ulBlockNum * pHdr->ulInterleaveBlockSize, + pPacket->pData, + pHdr->ulInterleaveBlockSize); + /* Set all the flags to be present for this block */ + pHdr->pIPresentFlags[ulBlockNum] = 0xFFFFFFFF; + /* Increment the block count in this superblock */ + pHdr->ulBlockCount++; + /* Is this the last block in the superblock? */ + if (ulBlockNum == pHdr->ulInterleaveFactor - 1) { + /* Deinterleave and send the blocks */ + retVal = ra_depacki_deinterleave_send(pInt, ulSubStream); + } else { + /* Not ready to send yet. Clear the return */ + retVal = HXR_OK; + } + } + } else { + /* + * We don't have a key block time or the key block time + * that we have is greater than the packet time, so we + * can't compute what slot this block should be in. This + * probably occurred because of loss at the beginning of the + * stream. We have to throw this packet away. + */ + retVal = HXR_OK; + } + } else { + /* + * The packet was lost. For now, don't do anything + * with the packet. We will deduce loss based entirely + * on timestamps for now. + */ + retVal = HXR_OK; + } + /* Save the information about the last packet */ + pHdr->lastPacket.ulTime = pPacket->ulTime; + pHdr->lastPacket.usStream = pPacket->usStream; + pHdr->lastPacket.usASMFlags = pPacket->usASMFlags; + pHdr->lastPacket.ucASMRule = pPacket->ucASMRule; + pHdr->lastPacket.ucLost = pPacket->ucLost; + pHdr->bHasLastPacket = TRUE; + } + + return retVal; +} + +HX_RESULT ra_depacki_parse_vbr_packet(ra_depack_internal* pInt, + rm_packet* pPacket, + UINT32* pulNumAU, + HXBOOL* pbFragmented, + UINT32* pulAUSize, + UINT32* pulAUFragSize) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pPacket && pulNumAU && pbFragmented && + pulAUSize && pulAUFragSize && + pPacket->pData && pPacket->usDataLen) { + /* Init local variables */ + BYTE* pBuf = pPacket->pData; + UINT32 ulSize = pPacket->usDataLen; + UINT32 ulPacketSize = ulSize; + UINT32 ulAUHeaderSizeBits = 0; + UINT32 ulAUHeaderSize = 0; + UINT32 ulNumAU = 0; + UINT32 ulAUSize = 0; + UINT32 ulAUSizeTotal = 0; + UINT32 i = 0; + UINT32 ulExpectedSize = 0; + /* Sanity check on size */ + if (ulSize >= 2) { + /* Get the AU header size in bits */ + ulAUHeaderSizeBits = rm_unpack16(&pBuf, &ulSize); + /* Convert to bytes (rounding up to next byte) */ + ulAUHeaderSize = (ulAUHeaderSizeBits + 7) >> 3; + /* + * Sanity check to make sure that the AU header size is + * greater than 0 and a multiple of 2 bytes + */ + if (ulAUHeaderSize && !(ulAUHeaderSize & 1)) { + /* + * Since we know that each AU header is 2 bytes, then + * we know that the number of AU's in this packet is + * ulAUHeaderSize / 2. + */ + ulNumAU = ulAUHeaderSize >> 1; + /* + * The audio/mpeg-generic spec says that each packet + * can either have a complete AU, a fragment of a single + * AU, or multiple complete AUs. Therefore, if the + * number of AUs is greater than 1, then we know we + * have ulNumAU *complete* AUs. Therefore, for more + * than one AU, we know what the exact size of the + * packet should be, and that should match up with + * the data size of the packet. + */ + retVal = HXR_OK; + for (i = 0; i < ulNumAU && retVal == HXR_OK; i++) { + if (ulSize >= 2) { + ulAUSize = rm_unpack16(&pBuf, &ulSize); + ulAUSizeTotal += ulAUSize; + } else { + retVal = HXR_FAIL; + } + } + if (retVal == HXR_OK) { + /* Compute the expected size of the packet */ + ulExpectedSize = 2 + /* AU header size (16 bits) */ + ulNumAU * 2 + /* AU sizes */ + ulAUSizeTotal; /* the AU's themselves */ + /* + * Check this against the actual size. If we have + * 1 AU, then the expected size can be greater than + * the actual size due to fragmentation. If we have + * more than more AU, then the expected size MUST + * match the actual size. + */ + if (ulNumAU > 1) { + if (ulExpectedSize == ulPacketSize) { + /* Multiple AUs, no fragmentation */ + *pbFragmented = FALSE; + } else { + /* Something wrong */ + retVal = HXR_FAIL; + } + } else if (ulNumAU == 1) { + if (ulExpectedSize > ulPacketSize) { + /* Fragmented single AU */ + *pbFragmented = TRUE; + } else { + /* Single AU, no fragmentation */ + *pbFragmented = FALSE; + } + /* Set the AU size */ + *pulAUSize = ulAUSizeTotal; + *pulAUFragSize = ulPacketSize - 4; + } + /* Assign the number of AU out parameter */ + if (retVal == HXR_OK) { + *pulNumAU = ulNumAU; + } + } + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_generate_and_send_loss(ra_depack_internal* pInt, + UINT32 ulSubStream, + UINT32 ulFirstStartTime, + UINT32 ulLastEndTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && ulSubStream < pInt->multiStreamHdr.ulNumSubStreams && + ulLastEndTime > ulFirstStartTime) { + HXDOUBLE dAUDuration = pInt->pSubStreamHdr[ulSubStream].dBlockDuration; + HXDOUBLE dDiff = ulLastEndTime - ulFirstStartTime; + UINT32 ulNumLossPackets = 0; + UINT32 i = 0; + UINT32 ulTSOffset = 0; + UINT32 ulTime = 0; + /* Compute the number of packets */ +#ifndef __ARC600__ + if (dAUDuration != 0.0) +#else + if (dAUDuration == 0.0) { + ; + } else +#endif + { + ulNumLossPackets = (UINT32)(dDiff / dAUDuration); + } + /* Clear the return value */ + retVal = HXR_OK; + /* Generate loss packets */ + for (i = 0; i < ulNumLossPackets && HX_SUCCEEDED(retVal); i++) { + ulTSOffset = (UINT32)(i * dAUDuration); + ulTime = ulFirstStartTime + ulTSOffset; + retVal = ra_depacki_send_block(pInt, + ulSubStream, + HXNULL, + 0, + ulTime, + 0); /* Flags of 0 indicate loss */ + } + } + + return retVal; +} + +#if RA_COPY_BUF +void ra_depacki_free_block(ra_block* pBlock) +{ + /* Free the data */ + if (pBlock->pData) { + AVMem_free(pBlock->pData); + pBlock->pData = HXNULL; + } +} +#endif + +HX_RESULT ra_depacki_send_block(ra_depack_internal* pInt, + UINT32 ulSubStream, + BYTE* pBuf, + UINT32 ulLen, + UINT32 ulTime, + UINT32 ulFlags) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->fpAvail) { + /* Allocate space for a ra_block structure */ + ra_block Block; + memset(&Block, 0, sizeof(Block)); + { + /* Clear the return value */ + retVal = HXR_OK; + /* Copy the buffer */ + if (pBuf && ulLen) { +#if RA_COPY_BUF + Block.pData = copy_buffer(pInt->pUserMem, + pInt->fpMalloc, + pBuf, ulLen); + if (Block.pData) { + Block.ulDataLen = ulLen; + } else { + retVal = HXR_OUTOFMEMORY; + } +#else + Block.pData = pBuf; + Block.ulDataLen = ulLen; +#endif + } + if (retVal == HXR_OK) { + /* Assign the timestamp and flags */ + Block.ulTimestamp = ulTime; + Block.ulDataFlags = ulFlags; + /* Send the block */ + retVal = pInt->fpAvail(pInt->pAvail, + ulSubStream, + &Block); + } +#if RA_COPY_BUF + ra_depacki_free_block(&Block); +#endif + } + } + + return retVal; +} + +HX_RESULT ra_depacki_handle_frag_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket, + UINT32 ulAUSize, + UINT32 ulAUFragSize) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && pPacket && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + UINT32 ulPacketSize = (UINT32) pPacket->usDataLen; + UINT32 ulPacketOffset = (ulPacketSize >= ulAUFragSize ? + ulPacketSize - ulAUFragSize : 0); + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Clear the return value */ + retVal = HXR_OK; + /* Have we allocated the frag buffer yet? */ + if (!pHdr->pFragBuffer) { + retVal = ra_depacki_init_frag_buffer(pInt, pHdr); + } + if (HX_SUCCEEDED(retVal)) { + /* + * Do we have a current fragment, and if so, is it + * a different timestamp from this fragment? + */ + if (pHdr->bHasFrag && pHdr->ulFragBufferTime != pPacket->ulTime) { + /* Clear the frag buffer */ + ra_depacki_clear_frag_buffer(pInt, pHdr); + } + /* + * Are we currently processing a fragment? If not, + * then initialize this fragment, resizing the + * buffer if necessary. + */ + if (!pHdr->bHasFrag) { + /* Make sure the buffer size is big enough */ + if (ulAUSize > pHdr->ulFragBufferSize) { + retVal = ra_depacki_resize_frag_buffer(pInt, pHdr, ulAUSize); + } + if (HX_SUCCEEDED(retVal)) { + /* Init the members for this fragment */ + pHdr->ulFragBufferOffset = 0; + pHdr->ulFragBufferTime = pPacket->ulTime; + pHdr->ulFragBufferAUSize = ulAUSize; + pHdr->bHasFrag = TRUE; + } + } + if (HX_SUCCEEDED(retVal)) { + /* Make sure we have room for the memcpy */ + if (pHdr->ulFragBufferOffset + ulAUFragSize <= pHdr->ulFragBufferSize && + ulPacketOffset + ulAUFragSize <= ulPacketSize) { + /* Copy this buffer in */ + memcpy(pHdr->pFragBuffer + pHdr->ulFragBufferOffset, + pPacket->pData + ulPacketOffset, + ulAUFragSize); + /* Update the frag buffer offset */ + pHdr->ulFragBufferOffset += ulAUFragSize; + /* Have we finished the fragmented AU? */ + if (pHdr->ulFragBufferOffset >= pHdr->ulFragBufferAUSize) { + /* Send the frag buffer */ + retVal = ra_depacki_send_block(pInt, ulSubStream, + pHdr->pFragBuffer, + pHdr->ulFragBufferAUSize, + pHdr->ulFragBufferTime, + 0xFFFFFFFF); + /* Whether we succeed or not, clear the frag buffer */ + ra_depacki_clear_frag_buffer(pInt, pHdr); + } + } else { + retVal = HXR_FAIL; + } + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_handle_nonfrag_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket, + UINT32 ulNumAU) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && pPacket && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Init the local variables */ + UINT32 ulAUDataSizeSum = 0; + UINT32 i = 0; + BYTE* pBuf = pPacket->pData; + UINT32 ulLen = pPacket->usDataLen; + UINT32 ulTSOffset = 0; + UINT32 ulAUSize = 0; + UINT32 ulBufOffset = 0; + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* + * We can clear the frag queue. If there was no + * loss in the last fragmented AU, then it was + * cleared after the packet was created. If there + * WAS loss in the last fragmented AU, then we + * just handled it by generating loss packets. + */ + ra_depacki_clear_frag_buffer(pInt, pHdr); + /* Clear the return value */ + retVal = HXR_OK; + /* Step through the packet sending blocks */ + for (i = 0; i < ulNumAU && HX_SUCCEEDED(retVal); i++) { + /* Set the return value */ + retVal = HXR_FAIL; + /* Compute the time offset for this block */ + ulTSOffset = (UINT32)(i * pHdr->dBlockDuration); + /* Compute the buffer offset for the AU size */ + ulBufOffset = 2 + (i << 1); + /* Sanity check on packet size */ + if (ulBufOffset + 1 < ulLen) { + /* Parse out the size of this AU */ + ulAUSize = rm_unpack16_nse(pBuf + ulBufOffset, + ulLen - ulBufOffset); + /* Compute the offset of the AU */ + ulBufOffset = 2 + ulNumAU * 2 + ulAUDataSizeSum; + /* Sanity check on size */ + if (ulBufOffset + ulAUSize <= ulLen) { + /* Send this AU */ + retVal = ra_depacki_send_block(pInt, + ulSubStream, + pBuf + ulBufOffset, + ulAUSize, + pPacket->ulTime + ulTSOffset, + 0xFFFFFFFF); + if (retVal == HXR_OK) { + /* Update the AU data size sum */ + ulAUDataSizeSum += ulAUSize; + } + } + } + } + if (HX_SUCCEEDED(retVal)) { + /* Update the end time of the last block sent */ + ulTSOffset = (UINT32)(ulNumAU * pHdr->dBlockDuration); + pHdr->ulLastSentEndTime = pPacket->ulTime + ulTSOffset; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_init_frag_buffer(ra_depack_internal* pInt, + ra_substream_hdr* pHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pHdr && !pHdr->pFragBuffer) { + /* Allocate the frag buffer */ + pHdr->pFragBuffer = ra_depacki_malloc(pInt, INITIAL_FRAG_BUFFER_SIZE); + if (pHdr->pFragBuffer) { + /* Zero out the buffer */ + memset(pHdr->pFragBuffer, 0, INITIAL_FRAG_BUFFER_SIZE); + /* Init the members */ + pHdr->ulFragBufferSize = INITIAL_FRAG_BUFFER_SIZE; + pHdr->ulFragBufferTime = 0; + pHdr->ulFragBufferOffset = 0; + pHdr->ulFragBufferAUSize = 0; + pHdr->bHasFrag = FALSE; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_resize_frag_buffer(ra_depack_internal* pInt, + ra_substream_hdr* pHdr, + UINT32 ulNewSize) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pHdr && pHdr->pFragBuffer) { + /* Allocate a new buffer */ + BYTE* pNewBuf = ra_depacki_malloc(pInt, ulNewSize); + if (pNewBuf) { + /* Copy the old buffer */ + if (pHdr->ulFragBufferOffset) { + memcpy(pNewBuf, pHdr->pFragBuffer, pHdr->ulFragBufferOffset); + } + /* NULL out the rest of the buffer */ + memset(pNewBuf + pHdr->ulFragBufferOffset, 0, + ulNewSize - pHdr->ulFragBufferOffset); + /* Free the old buffer */ + ra_depacki_free(pInt, pHdr->pFragBuffer); + /* Assign the members. We won't change time or offset */ + pHdr->pFragBuffer = pNewBuf; + pHdr->ulFragBufferSize = ulNewSize; + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +void ra_depacki_clear_frag_buffer(ra_depack_internal* pInt, + ra_substream_hdr* hdr) +{ + if (pInt && hdr && hdr->bHasFrag) { + /* Clear the frag buffer members */ + hdr->bHasFrag = FALSE; + hdr->ulFragBufferAUSize = 0; + hdr->ulFragBufferOffset = 0; + hdr->ulFragBufferTime = 0; + } +} + +HX_RESULT ra_depacki_seek(ra_depack_internal* pInt, UINT32 ulTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr) { + /* + * Loop through all the substream headers + * and set the bSeeked flag. + */ + UINT32 i = 0; + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams; i++) { + pInt->pSubStreamHdr[i].bSeeked = TRUE; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_deinterleave_send(ra_depack_internal* pInt, UINT32 ulSubStream) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams && + pInt->fpAvail) { + /* Init local variables */ + UINT32 i = 0; + UINT32 ulTimeOffset = 0; + UINT32 ulTimestamp = 0; + HXDOUBLE dTimeOffset = 0.0; + ra_block Block; + /* Deinterleave the superblock */ + retVal = ra_depacki_deinterleave(pInt, ulSubStream); + if (retVal == HXR_OK) { + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Send the blocks from the deinterleave buffer */ + for (i = 0; i < pHdr->ulBlockCount && HX_SUCCEEDED(retVal); i++) { + /* Set the return value */ + retVal = HXR_OUTOFMEMORY; + /* Compute the time offset for this block */ + dTimeOffset = i * pHdr->dBlockDuration; + ulTimeOffset = (UINT32) dTimeOffset; + ulTimestamp = pHdr->ulKeyTime + ulTimeOffset; + /* Make sure the time is less than the stream duration */ + if (ulTimestamp <= pInt->ulStreamDuration) { +#if RA_COPY_BUF + /* Alloc and copy the buffer */ + Block.pData = copy_buffer(pInt->pUserMem, + pInt->fpMalloc, + pHdr->pDBuffer + i * pHdr->ulInterleaveBlockSize, + pHdr->ulInterleaveBlockSize); +#else + Block.pData = pHdr->pDBuffer + i * pHdr->ulInterleaveBlockSize; +#endif + if (Block.pData) { + Block.ulDataLen = pHdr->ulInterleaveBlockSize; + Block.ulTimestamp = ulTimestamp; + Block.ulDataFlags = pHdr->pDPresentFlags[i]; + /* Send the block */ + retVal = pInt->fpAvail(pInt->pAvail, ulSubStream, &Block); + } +#if RA_COPY_BUF + ra_depacki_free_block(&Block); +#endif + } else { + /* + * Block is after the stream duration, so clear + * the return value and break out of the loop. + */ + retVal = HXR_OK; + break; + } + } + /* Clear the interleaving buffers */ + memset(pHdr->pIBuffer, 0, pHdr->ulSuperBlockSize); + memset(pHdr->pDBuffer, 0, pHdr->ulSuperBlockSize); + memset(pHdr->pIPresentFlags, 0, pHdr->ulInterleaveFactor * sizeof(UINT32)); + memset(pHdr->pDPresentFlags, 0, pHdr->ulInterleaveFactor * sizeof(UINT32)); + /* Clear the state */ + pHdr->bHasKeyTime = FALSE; + pHdr->ulKeyTime = 0; + pHdr->ulBlockCount = 0; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_deinterleave(ra_depack_internal* pInt, UINT32 ulSubStream) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Get the interleaver ID */ + UINT32 ulID = pInt->pSubStreamHdr[ulSubStream].ulInterleaverID; + /* Switch based on ID */ + switch (ulID) { +#if 0 + case RA_INTERLEAVER_SIPR: + retVal = ra_depacki_deinterleave_sipr(pInt, ulSubStream); + break; +#endif + case RA_INTERLEAVER_GENR: + retVal = ra_depacki_deinterleave_genr(pInt, ulSubStream); + break; + case RA_NO_INTERLEAVER: + retVal = ra_depacki_deinterleave_no(pInt, ulSubStream); + break; + } + } + + return retVal; +} + +#if 0 +HX_RESULT ra_depacki_deinterleave_sipr(ra_depack_internal* pInt, UINT32 ulSubStream) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Sanity check */ + if (pHdr->pIBuffer && pHdr->pDBuffer && + pHdr->pIPresentFlags && pHdr->pDPresentFlags) { + /* + * This is an in-place interleaving, so copy from + * pIBuffer to pDBuffer and then we will do the + * de-interleaving in-place in pDBuffer. + */ + memcpy(pHdr->pDBuffer, pHdr->pIBuffer, pHdr->ulSuperBlockSize); + /* Copy the flags */ + memcpy(pHdr->pDPresentFlags, pHdr->pIPresentFlags, + pHdr->ulInterleaveFactor * sizeof(UINT32)); + /* Do the de-interleave */ + RASL_DeInterleave((char*) pHdr->pDBuffer, + pHdr->ulSuperBlockSize, + pHdr->usFlavorIndex, + pHdr->pDPresentFlags); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} +#endif + +HX_RESULT ra_depacki_init_genr(ra_depack_internal* pInt, UINT32 ulSubStream) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Init local variables */ + UINT32 ulFramesPerBlock = 0; + UINT32 ulSize = 0; + UINT32 ulBlockIndx = 0; + UINT32 ulFrameIndx = 0; + UINT32 ulIndx = 0; + UINT32 i = 0; + UINT32 j = 0; + UINT32 ulCount = 0; + HXBOOL bEven = FALSE; + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Sanity check */ + if (pHdr->ulCodecFrameSize && pHdr->ulNumCodecFrames) { + /* Compute the codec frames per block */ + ulFramesPerBlock = pHdr->ulInterleaveBlockSize / pHdr->ulCodecFrameSize; + /* Allocate space for the block num and offset */ + ulSize = pHdr->ulNumCodecFrames * sizeof(UINT32); + pHdr->pulGENRBlockNum = (UINT32*) ra_depacki_malloc(pInt, ulSize); + if (pHdr->pulGENRBlockNum) { + pHdr->pulGENRBlockOffset = (UINT32*) ra_depacki_malloc(pInt, ulSize); + if (pHdr->pulGENRBlockOffset) { + pHdr->pulGENRPattern = (UINT32*) ra_depacki_malloc(pInt, ulSize); + if (pHdr->pulGENRPattern) { + /* Initialize the block num and offset arrays */ + for (ulBlockIndx = 0; ulBlockIndx < pHdr->ulInterleaveFactor; ulBlockIndx++) { + for (ulFrameIndx = 0; ulFrameIndx < ulFramesPerBlock; ulFrameIndx++) { + ulIndx = ulBlockIndx * ulFramesPerBlock + ulFrameIndx; + pHdr->pulGENRBlockNum[ulIndx] = ulBlockIndx; + pHdr->pulGENRBlockOffset[ulIndx] = ulFrameIndx; + } + } + /* Do we have a pattern from the stream header? */ + if (pHdr->pulInterleavePattern) { + /* Copy the pattern from the stream header */ + memcpy(pHdr->pulGENRPattern, + pHdr->pulInterleavePattern, + ulSize); + /* + * Check the pattern for validity by making sure + * that each frame index is used once and only + * once in the interleave pattern. + */ + retVal = HXR_OK; + for (i = 0; i < pHdr->ulNumCodecFrames; i++) { + /* Init the count */ + ulCount = 0; + /* Count how many times index i appears in table */ + for (j = 0; j < pHdr->ulNumCodecFrames; j++) { + if (pHdr->pulGENRPattern[j] == i) { + ulCount++; + } + } + /* Make sure it's just once */ + if (ulCount != 1) { + retVal = HXR_FAIL; + break; + } + } + } else { + /* Clear the return value */ + retVal = HXR_OK; + /* + * We don't have a stream header pattern, so + * we generate the standard interleave pattern. + */ + if (pHdr->ulInterleaveFactor == 1) { + for (i = 0; i < pHdr->ulNumCodecFrames; i++) { + pHdr->pulGENRPattern[i] = i; + } + } else { + bEven = TRUE; + ulCount = 0; + ulBlockIndx = 0; + ulFrameIndx = 0; + while (ulCount < pHdr->ulNumCodecFrames) { + pHdr->pulGENRPattern[ulCount] = ulBlockIndx * ulFramesPerBlock + ulFrameIndx; + ulCount++; + ulBlockIndx += 2; + if (ulBlockIndx >= pHdr->ulInterleaveFactor) { + if (bEven) { + bEven = FALSE; + ulBlockIndx = 1; + } else { + bEven = TRUE; + ulBlockIndx = 0; + ulFrameIndx++; + } + } + } + } + } + } + } + } + } + } + + return retVal; +} + +HX_RESULT ra_depacki_deinterleave_genr(ra_depack_internal* pInt, UINT32 ulSubStream) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Init local variables */ + UINT32 fi = 0; + UINT32 fo = 0; + UINT32 ulBlkIndxIn = 0; + UINT32 ulBlkIndxOut = 0; + UINT32 ulBlkOffset = 0; + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Sanity check */ + if (pHdr->pIBuffer && pHdr->pDBuffer && + pHdr->pIPresentFlags && pHdr->pDPresentFlags) { + /* Set all the output flags to present initially */ + memset(pHdr->pDPresentFlags, 0xFF, + pHdr->ulInterleaveFactor * sizeof(UINT32)); + /* Deinterleave the data */ + for (fo = 0; fo < pHdr->ulNumCodecFrames; fo++) { + /* Copy the data */ + fi = pHdr->pulGENRPattern[fo]; + memcpy(pHdr->pDBuffer + fo * pHdr->ulCodecFrameSize, + pHdr->pIBuffer + fi * pHdr->ulCodecFrameSize, + pHdr->ulCodecFrameSize); + /* Look up which block this frame comes from */ + ulBlkIndxIn = pHdr->pulGENRBlockNum[fi]; + /* Is this codec frame present? */ + if (!pHdr->pIPresentFlags[ulBlkIndxIn]) { + /* + * Frame was part of a lost block. So clear + * the bit that says the frame was present. + */ + ulBlkIndxOut = pHdr->pulGENRBlockNum[fo]; + ulBlkOffset = pHdr->pulGENRBlockOffset[fo]; + pHdr->pDPresentFlags[ulBlkIndxOut] ^= (1 << ulBlkOffset); + } + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT ra_depacki_deinterleave_no(ra_depack_internal* pInt, UINT32 ulSubStream) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pSubStreamHdr && + ulSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Init local variables */ + UINT32 fi = 0; + UINT32 fo = 0; + UINT32 ulBlkIndxIn = 0; + UINT32 ulBlkIndxOut = 0; + UINT32 ulBlkOffset = 0; + /* Get the substream header */ + ra_substream_hdr* pHdr = &pInt->pSubStreamHdr[ulSubStream]; + /* Sanity check */ + if (pHdr->pIBuffer && pHdr->pDBuffer && + pHdr->pIPresentFlags && pHdr->pDPresentFlags) { + /* Set all the output flags to present initially */ + memset(pHdr->pDPresentFlags, 0xFF, + pHdr->ulInterleaveFactor * sizeof(UINT32)); + /* Deinterleave the data */ + for (fo = 0; fo < pHdr->ulNumCodecFrames; fo++) { + /* Copy the data */ + fi = fo; + memcpy(pHdr->pDBuffer + fo * pHdr->ulCodecFrameSize, + pHdr->pIBuffer + fi * pHdr->ulCodecFrameSize, + pHdr->ulCodecFrameSize); + /* Look up which block this frame comes from */ + ulBlkIndxIn = pHdr->pulGENRBlockNum[fi]; + /* Is this codec frame present? */ + if (!pHdr->pIPresentFlags[ulBlkIndxIn]) { + /* + * Frame was part of a lost block. So clear + * the bit that says the frame was present. + */ + ulBlkIndxOut = pHdr->pulGENRBlockNum[fo]; + ulBlkOffset = pHdr->pulGENRBlockOffset[fo]; + pHdr->pDPresentFlags[ulBlkIndxOut] ^= (1 << ulBlkOffset); + } + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} diff --git a/audio_codec/libraac/ra_depack_internal.h b/audio_codec/libraac/ra_depack_internal.h new file mode 100644 index 0000000..e9d155c --- a/dev/null +++ b/audio_codec/libraac/ra_depack_internal.h @@ -0,0 +1,232 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: ra_depack_internal.h,v 1.1.1.1.2.1 2005/05/04 18:21:33 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RA_DEPACK_INTERNAL_H +#define RA_DEPACK_INTERNAL_H + +#include "../include/helix_types.h" +#include "../include/helix_result.h" +#include "../include/rm_memory.h" +#include "../include/rm_error.h" +#include "../include/ra_depack.h" +#include "../include/stream_hdr_structs.h" + +#ifdef __cplusplus +extern "C" { +#endif + + /* + * Internal substream header struct + */ + typedef struct ra_substream_hdr_struct { + UINT16 usRAFormatVersion; /* 3, 4, or 5 */ + UINT16 usRAFormatRevision; /* should be 0 */ + UINT16 usHeaderBytes; /* size of raheader info */ + UINT16 usFlavorIndex; /* compression type */ + UINT32 ulGranularity; /* size of one block of encoded data */ + UINT32 ulTotalBytes; /* total bytes of ra data */ + UINT32 ulBytesPerMin; /* data rate of encoded and interleaved data */ + UINT32 ulBytesPerMin2; /* data rate of interleaved or non-interleaved data */ + UINT32 ulInterleaveFactor; /* number of blocks per superblock */ + UINT32 ulInterleaveBlockSize; /* size of each interleave block */ + UINT32 ulCodecFrameSize; /* size of each audio frame */ + UINT32 ulUserData; /* extra field for user data */ + UINT32 ulSampleRate; /* sample rate of decoded audio */ + UINT32 ulActualSampleRate; /* sample rate of decoded audio */ + UINT32 ulSampleSize; /* bits per sample in decoded audio */ + UINT32 ulChannels; /* number of audio channels in decoded audio */ + UINT32 ulInterleaverID; /* interleaver 4cc */ + UINT32 ulCodecID; /* codec 4cc */ + BYTE bIsInterleaved; /* 1 if file has been interleaved */ + BYTE bCopyByte; /* copy enable byte, if 1 allow copies (SelectiveRecord) */ + BYTE ucStreamType; /* i.e. LIVE_STREAM, FILE_STREAM */ + BYTE ucScatterType; /* the interleave pattern type 0==cyclic,1==pattern */ + UINT32 ulNumCodecFrames; /* number of codec frames in a superblock */ + UINT32* pulInterleavePattern; /* the pattern of interleave if not cyclic */ + UINT32 ulOpaqueDataSize; /* size of the codec specific data */ + BYTE* pOpaqueData; /* codec specific data */ + HXDOUBLE dBlockDuration; /* Duration in ms of audio "block" */ + UINT32 ulLastSentEndTime; /* Ending time of last sent audio frame */ + BYTE* pFragBuffer; /* Intermediate buffer for reconstructing VBR packets */ + UINT32 ulFragBufferSize; /* Size of intermediate buffer */ + UINT32 ulFragBufferAUSize; /* Size of AU being reconstructed */ + UINT32 ulFragBufferOffset; /* Current offset within AU */ + UINT32 ulFragBufferTime; /* Timestamp of AU being reconstructed */ + UINT32 ulSuperBlockSize; /* ulInterleaveBlockSize * ulInterleaveFactor */ + UINT32 ulSuperBlockTime; /* dBlockDuration * ulInterleaveFactor */ + UINT32 ulKeyTime; /* Timestamp of keyframe packet */ + BYTE* pIBuffer; /* Buffer holding interleaved blocks */ + BYTE* pDBuffer; /* Buffer holding de-interleaved blocks */ + UINT32* pIPresentFlags; /* number of UINT32s: ulInterleaveBlockSize */ + UINT32* pDPresentFlags; /* number of UINT32s: ulInterleaveBlockSize */ + UINT32 ulBlockCount; /* number of blocks currently in superblock */ + UINT32* pulGENRPattern; /* Interleave pattern for GENR interleaver */ + UINT32* pulGENRBlockNum; + UINT32* pulGENRBlockOffset; + rm_packet lastPacket; + HX_BITFIELD bIsVBR : 1; + HX_BITFIELD bSeeked : 1; + HX_BITFIELD bLossOccurred : 1; + HX_BITFIELD bHasKeyTime : 1; /* Do we have a time for the key slot? */ + HX_BITFIELD bHasFrag : 1; + HX_BITFIELD bAdjustTimestamps : 1; + HX_BITFIELD bKnowIfAdjustNeeded : 1; + HX_BITFIELD bHasLastPacket : 1; + } ra_substream_hdr; + + /* + * Internal ra_depack struct + */ + typedef struct ra_depack_internal_struct { + void* pAvail; + ra_block_avail_func_ptr fpAvail; + rm_error_func_ptr fpError; + void* pUserError; + rm_malloc_func_ptr fpMalloc; + rm_free_func_ptr fpFree; + void* pUserMem; + rm_rule_map rule2Flag; + rm_multistream_hdr multiStreamHdr; + ra_substream_hdr* pSubStreamHdr; + UINT32 ulTrackStartTime; + UINT32 ulTrackEndTime; + UINT32 ulEndTime; + UINT32 ulStreamDuration; + HX_BITFIELD bForceTrackStartTime : 1; + HX_BITFIELD bForceTrackEndTime : 1; + HX_BITFIELD bStreamSwitchable : 1; + HX_BITFIELD bAllVBR : 1; + HX_BITFIELD bAllNonVBR : 1; + HX_BITFIELD bHasEndTime : 1; + } ra_depack_internal; + + /* + * Internal ra_depack functions + */ + void* ra_depacki_malloc(ra_depack_internal* pInt, UINT32 ulSize); + void ra_depacki_free(ra_depack_internal* pInt, void* pMem); + HX_RESULT ra_depacki_init(ra_depack_internal* pInt, rm_stream_header* hdr); + HX_RESULT ra_depacki_unpack_rule_map(ra_depack_internal* pInt, + rm_rule_map* pMap, + BYTE** ppBuf, + UINT32* pulLen); + HX_RESULT ra_depacki_unpack_multistream_hdr(ra_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen); + HX_RESULT ra_depacki_unpack_opaque_data(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen); + void ra_depacki_cleanup_substream_hdr(ra_depack_internal* pInt, + ra_substream_hdr* hdr); + void ra_depacki_cleanup_substream_hdr_array(ra_depack_internal* pInt); + HX_RESULT ra_depacki_unpack_substream_hdr(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr); + HX_RESULT ra_depacki_unpack_raformat3(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr); + HX_RESULT ra_depacki_unpack_raformat4(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr); + HX_RESULT ra_depacki_unpack_raformat5(ra_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen, + ra_substream_hdr* pHdr); + HX_RESULT ra_depacki_get_format_info(ra_depack_internal* pInt, + UINT32 ulSubStream, + ra_format_info* pInfo); + void ra_depacki_cleanup_format_info(ra_depack_internal* pInt, + ra_format_info* pInfo); + UINT32 ra_depacki_rule_to_flags(ra_depack_internal* pInt, UINT32 ulRule); + HXBOOL ra_depacki_is_keyframe_rule(ra_depack_internal* pInt, UINT32 ulRule); + UINT32 ra_depacki_rule_to_substream(ra_depack_internal* pInt, UINT32 ulRule); + HX_RESULT ra_depacki_add_packet(ra_depack_internal* pInt, + rm_packet* pPacket); + HX_RESULT ra_depacki_add_vbr_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket); + HX_RESULT ra_depacki_add_non_vbr_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket); + HX_RESULT ra_depacki_parse_vbr_packet(ra_depack_internal* pInt, + rm_packet* pPacket, + UINT32* pulNumAU, + HXBOOL* pbFragmented, + UINT32* pulAUSize, + UINT32* pulAUFragSize); + HX_RESULT ra_depacki_generate_and_send_loss(ra_depack_internal* pInt, + UINT32 ulSubStream, + UINT32 ulFirstStartTime, + UINT32 ulLastEndTime); + HX_RESULT ra_depacki_send_block(ra_depack_internal* pInt, + UINT32 ulSubStream, + BYTE* pBuf, + UINT32 ulLen, + UINT32 ulTime, + UINT32 ulFlags); + HX_RESULT ra_depacki_handle_frag_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket, + UINT32 ulAUSize, + UINT32 ulAUFragSize); + HX_RESULT ra_depacki_handle_nonfrag_packet(ra_depack_internal* pInt, + UINT32 ulSubStream, + rm_packet* pPacket, + UINT32 ulNumAU); + HX_RESULT ra_depacki_init_frag_buffer(ra_depack_internal* pInt, + ra_substream_hdr* pHdr); + HX_RESULT ra_depacki_resize_frag_buffer(ra_depack_internal* pInt, + ra_substream_hdr* pHdr, + UINT32 ulNewSize); + void ra_depacki_clear_frag_buffer(ra_depack_internal* pInt, + ra_substream_hdr* hdr); + HX_RESULT ra_depacki_seek(ra_depack_internal* pInt, UINT32 ulTime); + HX_RESULT ra_depacki_deinterleave_send(ra_depack_internal* pInt, UINT32 ulSubStream); + HX_RESULT ra_depacki_deinterleave(ra_depack_internal* pInt, UINT32 ulSubStream); + HX_RESULT ra_depacki_deinterleave_sipr(ra_depack_internal* pInt, UINT32 ulSubStream); + HX_RESULT ra_depacki_init_genr(ra_depack_internal* pInt, UINT32 ulSubStream); + HX_RESULT ra_depacki_deinterleave_genr(ra_depack_internal* pInt, UINT32 ulSubStream); + HX_RESULT ra_depacki_deinterleave_no(ra_depack_internal* pInt, UINT32 ulSubStream); + +#ifdef __cplusplus +} +#endif + +#endif /* #ifndef RA_DEPACK_INTERNAL_H */ diff --git a/audio_codec/libraac/raac_decode.c b/audio_codec/libraac/raac_decode.c new file mode 100644 index 0000000..99528f1 --- a/dev/null +++ b/audio_codec/libraac/raac_decode.c @@ -0,0 +1,854 @@ +#include +#include +//#include + +#ifndef __MW__ +#include +#else +#include +#endif +#include "raac_decode.h" +#include "aac_decode.h" +#include "include/rm_parse.h" +#include "include/ra_depack.h" +#include "include/ra_decode.h" + +#include "include/rm_memory_default.h" +#include "aacdec.h" + +#include "../../amadec/adec-armdec-mgt.h" + +#include + +#define LOG_TAG "RaacDecoder" +#define raac_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) + +#define DefaultReadSize 32*1024 +#define DefaultOutBufSize 370*1024 + +typedef struct { + rm_parser* pParser; + ra_depack* pDepack; + ra_decode* pDecode; + ra_format_info* pRaInfo; + rm_packet* pPacket; + ra_block* pBlock; + rm_stream_header* pHdr; + UINT32 usStreamNum; +} rm_info_t; + +#define AUDIO_EXTRA_DATA_SIZE (2048*2) + +struct audio_info { + int valid; + int sample_rate; + int channels; + int bitrate; + int codec_id; + int block_align; + int extradata_size; + char extradata[AUDIO_EXTRA_DATA_SIZE]; +}; + +struct frame_info { + int len; + unsigned long offset;/*steam start to here*/ + unsigned long buffered_len;/*data buffer in dsp,pcm datalen*/ + int reversed[1];/*for cache aligned 32 bytes*/ +}; + +cook_IObuf cook_input; +cook_IObuf cook_output; + +struct frame_info cur_frame; +static unsigned aac_timestamplen = 0; +static unsigned aac_timestamp = 0; +static raac_decoder_info_t raac_dec_info ; +static rm_info_t raac_info ; +static char file_header[AUDIO_EXTRA_DATA_SIZE]; +#pragma align_to(64,file_header) +static char *cur_read_ptr = file_header; + +void set_timestamp(unsigned val) +{ + aac_timestamp = val; +} + +void set_timestamp_len(unsigned val) +{ + aac_timestamplen = val; +} + +ra_decode* +ra_decode_create2(void* pUserError, + rm_error_func_ptr fpError, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + ra_decode* pRet = HXNULL; + + if (fpMalloc && fpFree) { + pRet = (ra_decode*) fpMalloc(pUserMem, sizeof(ra_decode)); + + if (pRet) { + /* Zero out the struct */ + memset((void*) pRet, 0, sizeof(ra_decode)); + /* Assign the error function */ + pRet->fpError = fpError; + pRet->pUserError = pUserError; + /* Assign the memory functions */ + pRet->fpMalloc = fpMalloc; + pRet->fpFree = fpFree; + pRet->pUserMem = pUserMem; + } + } + + return pRet; +} + +ra_decode* +ra_decode_create(void* pUserError, + rm_error_func_ptr fpError) +{ + return ra_decode_create2(pUserError, + fpError, + HXNULL, + rm_memory_default_malloc, + rm_memory_default_free); +} + +/* ra_decode_destroy() + * Deletes the decoder backend and frontend instances. */ +void +ra_decode_destroy(ra_decode* pFrontEnd) +{ + rm_free_func_ptr fpFree; + void* pUserMem; + + if (pFrontEnd && pFrontEnd->fpFree) { + /* Save a pointer to fpFree and pUserMem */ + fpFree = pFrontEnd->fpFree; + pUserMem = pFrontEnd->pUserMem; + + if (pFrontEnd->pDecode && pFrontEnd->fpClose) { + /* Free the decoder instance and backend */ + pFrontEnd->fpClose(pFrontEnd->pDecode, + pUserMem, + fpFree); + } + + /* Free the ra_decode struct memory */ + fpFree(pUserMem, pFrontEnd); + } +} + +/* ra_decode_init() + * Selects decoder backend with fourCC code. + * Calls decoder backend init function with init params. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_init(ra_decode* pFrontEnd, + UINT32 ulFourCC, + void* pInitParams, + UINT32 ulInitParamsSize, + ra_format_info* pStreamInfo) +{ + HX_RESULT retVal = HXR_OK; + + /* Assign the backend function pointers */ + if (ulFourCC == 0x72616163 || /* 'raac' */ + ulFourCC == 0x72616370) { /* 'racp' */ + pFrontEnd->fpInit = aac_decode_init; + pFrontEnd->fpReset = aac_decode_reset; + pFrontEnd->fpConceal = aac_decode_conceal; + pFrontEnd->fpDecode = aac_decode_decode; + pFrontEnd->fpGetMaxSize = aac_decode_getmaxsize; + pFrontEnd->fpGetChannels = aac_decode_getchannels; + pFrontEnd->fpGetChannelMask = aac_decode_getchannelmask; + pFrontEnd->fpGetSampleRate = aac_decode_getrate; + pFrontEnd->fpMaxSamp = aac_decode_getdelay; + pFrontEnd->fpClose = aac_decode_close; + } else { + /* error - codec not supported */ + raac_print(" cook decode: not supported fourcc\n"); + retVal = HXR_DEC_NOT_FOUND; + } + + if (retVal == HXR_OK && pFrontEnd && pFrontEnd->fpInit && pStreamInfo) { + retVal = pFrontEnd->fpInit(pInitParams, ulInitParamsSize, pStreamInfo, + &pFrontEnd->pDecode, pFrontEnd->pUserMem, + pFrontEnd->fpMalloc, pFrontEnd->fpFree); + } + + return retVal; +} + +/* ra_decode_reset() + * Calls decoder backend reset function. + * Depending on which codec is in use, *pNumSamplesOut samples may + * be flushed. After reset, the decoder returns to its initial state. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_reset(ra_decode* pFrontEnd, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpReset) { + retVal = pFrontEnd->fpReset(pFrontEnd->pDecode, pSamplesOut, + ulNumSamplesAvail, pNumSamplesOut); + } + + return retVal; +} + +/* ra_decode_conceal() + * Calls decoder backend conceal function. + * On successive calls to ra_decode_decode(), the decoder will attempt + * to conceal ulNumSamples. No input data should be sent while concealed + * frames are being produced. Once the decoder has exhausted the concealed + * samples, it can proceed normally with decoding valid input data. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_conceal(ra_decode* pFrontEnd, + UINT32 ulNumSamples) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpConceal) { + retVal = pFrontEnd->fpConceal(pFrontEnd->pDecode, ulNumSamples); + } + + return retVal; +} + +/* ra_decode_decode() + * Calls decoder backend decode function. + * pData : input data (compressed frame). + * ulNumBytes : input data size in bytes. + * pNumBytesConsumed : amount of input data consumed by decoder. + * pSamplesOut : output data (uncompressed frame). + * ulNumSamplesAvail : size of output buffer. + * pNumSamplesOut : amount of ouput data produced by decoder. + * ulFlags : control flags for decoder. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_decode(ra_decode* pFrontEnd, + UINT8* pData, + UINT32 ulNumBytes, + UINT32* pNumBytesConsumed, + UINT16* pSamplesOut, + UINT32 ulNumSamplesAvail, + UINT32* pNumSamplesOut, + UINT32 ulFlags, + UINT32 ulTimeStamp) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpDecode) { + retVal = pFrontEnd->fpDecode(pFrontEnd->pDecode, pData, ulNumBytes, + pNumBytesConsumed, pSamplesOut, + ulNumSamplesAvail, pNumSamplesOut, ulFlags, ulTimeStamp); + } + + return retVal; +} + + +/**************** Accessor Functions *******************/ +/* ra_decode_getmaxsize() + * pNumSamples receives the maximum number of samples produced + * by the decoder in response to a call to ra_decode_decode(). + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_getmaxsize(ra_decode* pFrontEnd, + UINT32* pNumSamples) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpGetMaxSize) { + retVal = pFrontEnd->fpGetMaxSize(pFrontEnd->pDecode, pNumSamples); + } + + return retVal; +} + +/* ra_decode_getchannels() + * pNumChannels receives the number of audio channels in the bitstream. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_getchannels(ra_decode* pFrontEnd, + UINT32* pNumChannels) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpGetChannels) { + retVal = pFrontEnd->fpGetChannels(pFrontEnd->pDecode, pNumChannels); + } + + return retVal; +} + +/* ra_decode_getchannelmask() + * pChannelMask receives the 32-bit mapping of the audio output channels. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_getchannelmask(ra_decode* pFrontEnd, + UINT32* pChannelMask) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpGetChannelMask) { + retVal = pFrontEnd->fpGetChannelMask(pFrontEnd->pDecode, pChannelMask); + } + + return retVal; +} + +/* ra_decode_getrate() + * pSampleRate receives the sampling rate of the output samples. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_getrate(ra_decode* pFrontEnd, + UINT32* pSampleRate) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpGetSampleRate) { + retVal = pFrontEnd->fpGetSampleRate(pFrontEnd->pDecode, pSampleRate); + } + + return retVal; +} + +/* ra_decode_getdelay() + * pNumSamples receives the number of invalid output samples + * produced by the decoder at startup. + * If non-zero, it is up to the user to discard these samples. + * Returns zero on success, negative result indicates failure. */ +HX_RESULT +ra_decode_getdelay(ra_decode* pFrontEnd, + UINT32* pNumSamples) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pFrontEnd && pFrontEnd->fpMaxSamp) { + retVal = pFrontEnd->fpMaxSamp(pFrontEnd->pDecode, pNumSamples); + } + + return retVal; +} + + +void rm_error(void* pError, HX_RESULT result, const char* pszMsg) +{ + //dsp_mailbox_send(1,M1B_IRQ7_DECODE_FATAL_ERR, 1, NULL, 0); + //trans_err_code(DECODE_FATAL_ERR); + raac_print("rm_error pError=0x%08x result=0x%08x msg=%s\n", pError, result, pszMsg); + //while(1); +} +//static int raac_decode_frame(unsigned char *buf, int maxlen, struct frame_fmt *fmt) +int audio_dec_decode(audio_decoder_operations_t *adec_ops, char *outbuf, int *outlen, char *inbuf, int inlen) +{ + HX_RESULT retVal = HXR_OK; + UINT32 ulBytesConsumed = 0; + UINT32 ulTotalConsumed = 0; + UINT32 ulBytesLeft = 0; + UINT32 ulNumSamplesOut = 0; + UINT32 ulMaxSamples = 0; + UINT32 out_data_len = 0; + + if (inlen > 0) { + int len = inlen - cook_input.buf_len; + int read_len; + read_len = (inlen > cook_input.buf_max) ? cook_input.buf_max : inlen; + if (len > 0) { + memcpy(cook_input.buf + cook_input.buf_len, + inbuf + cook_input.buf_len, read_len - cook_input.buf_len); + cook_input.buf_len += read_len - cook_input.buf_len; + } + } + //libcook_print("audio_dec_decoder cook_input.buf_len = %d\n", cook_input.buf_len); + while (cook_output.buf_len <= 0) { + retVal = rm_parser_get_packet(raac_info.pParser, &raac_info.pPacket); + if (retVal == HXR_OK) { + //if (ra_info.pPacket->usStream == ra_info.usStreamNum) + { + retVal = ra_depack_add_packet(raac_info.pDepack, raac_info.pPacket); + + } + rm_parser_destroy_packet(raac_info.pParser, &raac_info.pPacket); + } + if (retVal != HXR_OK) { + raac_print("cook_decode_frame add packet failed\n"); + break; + } + } + + *outlen = 0; + if (cook_output.buf_len > 0) { + memcpy(outbuf, cook_output.buf, cook_output.buf_len); + (*outlen) = cook_output.buf_len; + cook_output.buf_len = 0; + } + + int ret = 0; + //ret = ra_dec_info.decoded_size + cook_input.cousume; + ret = cook_input.cousume; + //libcook_print("ret decoder = %d\n", ret); + cook_input.cousume = 0; + adec_ops->pts = cur_frame.offset; + cur_frame.offset = 0; + return ret; + //return raac_dec_info.decoded_size; +} + + +UINT32 rm_io_read(void* pUserRead, BYTE* pBuf, UINT32 ulBytesToRead) +{ + memcpy(pBuf, cur_read_ptr, ulBytesToRead); + cur_read_ptr = cur_read_ptr + ulBytesToRead; + if ((unsigned)(cur_read_ptr - file_header) > AUDIO_EXTRA_DATA_SIZE) { + //trans_err_code(DECODE_INIT_ERR); + raac_print("warning :: raac.read byte exceed the the buffer then sent,%d \n", (unsigned)(cur_read_ptr - file_header)); + while (1) { + ; + } + } + return ulBytesToRead; +} +void rm_io_seek(void* pUserRead, UINT32 ulOffset, UINT32 ulOrigin) +{ + if (ulOrigin == HX_SEEK_ORIGIN_CUR) { + cur_read_ptr += ulOffset; + } else if (ulOrigin == HX_SEEK_ORIGIN_SET) { + cur_read_ptr = (char *)pUserRead + ulOffset; + } else if (ulOrigin == HX_SEEK_ORIGIN_END) { + cur_read_ptr = sizeof(file_header) + (char *)pUserRead - ulOffset; + } + if ((unsigned)(cur_read_ptr - file_header) > AUDIO_EXTRA_DATA_SIZE) { + //trans_err_code(DECODE_INIT_ERR); + raac_print("warning :: raac.seek buffer pos exceed the the buffer then sent,%d \n", (unsigned)(cur_read_ptr - file_header)); + while (1) { + ; + } + } + +} +unsigned rm_ab_read(void* pUserRead, BYTE* pBuf, UINT32 ulBytesToRead) +{ + int ret = 0; +#if 0 + if (pBuf && ulBytesToRead) { + ret = read_buffer(pBuf, ulBytesToRead); + } + return ret; +#endif + if (pBuf && ulBytesToRead) { + ret = (ulBytesToRead > cook_input.buf_len) ? cook_input.buf_len : ulBytesToRead; + memcpy(pBuf, cook_input.buf, ret); + if (ret < cook_input.buf_len) { + memcpy(cook_input.buf, (cook_input.buf + ret), cook_input.buf_len - ret); + } + cook_input.buf_len -= ret; + } + cook_input.cousume += ret; + cook_input.all_consume += ret; + return ret; +} +void rm_ab_seek(void* pUserRead, UINT32 ulOffset, UINT32 ulOrigin) +{ + int i; +#if 0 + if (ulOrigin == HX_SEEK_ORIGIN_CUR) { + for (i = 0; i < ulOffset; i++) { + read_byte(); + } + } +#endif + if (ulOrigin == HX_SEEK_ORIGIN_CUR) { + if (ulOffset <= cook_input.buf_len) { + //memcpy(cook_input.buf, cook_input.buf + ulOffset, cook_input.buf_len - ulOffset); + cook_input.buf_len -= ulOffset; + cook_input.cousume += ulOffset; + //cook_input.all_consume += ulOffset; + memcpy(cook_input.buf, cook_input.buf + ulOffset, cook_input.buf_len); + } else { + raac_print("rm_ab_seek failed\n"); + } + } + +} +HX_RESULT _raac_block_available(void* pAvail, UINT32 ulSubStream, ra_block* pBlock) +{ + int len = 0, wlen; + int offset = 0; + HX_RESULT retVal = HXR_OK; + UINT32 ulBytesConsumed = 0; + UINT32 ulTotalConsumed = 0; + UINT32 ulBytesLeft = 0; + UINT32 ulNumSamplesOut = 0; + UINT32 ulMaxSamples = 0; + UINT32 out_data_len = 0; + UINT32 delay_pts = 0; + //BYTE* buf = raac_dec_info.input_buf;//passed from the audio dec thread + rm_info_t* pInfo = (rm_info_t*) pAvail; + if (pAvail && pBlock && pBlock->pData && pBlock->ulDataLen) { + ulBytesLeft = pBlock->ulDataLen; + while (retVal == HXR_OK && ulBytesLeft) { + retVal = ra_decode_decode(raac_dec_info.pDecode, + pBlock->pData + pBlock->ulDataLen - ulBytesLeft, + ulBytesLeft, + &ulBytesConsumed, + (UINT16*)raac_dec_info.pOutBuf, + raac_dec_info.ulOutBufSize / 2, + &ulNumSamplesOut, + pBlock->ulDataFlags, + pBlock->ulTimestamp * 90); + + if (retVal == HXR_OK) { + if (ulBytesConsumed) { + ulBytesLeft -= ulBytesConsumed; + } + if (ulNumSamplesOut) { + len = ulNumSamplesOut * 2; + } + } else if (retVal == HXR_NO_DATA) { + raac_print("raac decode not enough data.\n"); + return 0; + } else { + raac_print("raac decode error.\n"); + return 0; + } + //#if 0 + //raac_print("ulTimestamp=%ld\n", pBlock->ulTimestamp); + cur_frame.offset = pBlock->ulTimestamp * 90 + 1; + cur_frame.buffered_len = 0; + cur_frame.len = 0; + delay_pts += ulNumSamplesOut;//(ulNumSamplesOut/raac_info.pRaInfo->usNumChannels)*90 /(raac_info.pRaInfo->ulSampleRate / 1000); + //refresh_swap_register1(cur_frame.offset+delay_pts, len); + //#endif + memcpy(cook_output.buf + cook_output.buf_len, raac_dec_info.pOutBuf, len); + cook_output.buf_len += len; + len = 0; + } + delay_pts = (delay_pts / raac_info.pRaInfo->usNumChannels) * 90 / (raac_info.pRaInfo->ulSampleRate / 1000); + cur_frame.offset += delay_pts; + raac_dec_info.decoded_size = out_data_len; + } + return retVal; +} +//static int raac_decode_init(struct frame_fmt * fmt) +int audio_dec_init(audio_decoder_operations_t *adec_ops) +{ + //raac_print("\n\n[%s]BuildDate--%s BuildTime--%s", __FUNCTION__, __DATE__, __TIME__); + raac_print("enter into %s:%d\n", __FUNCTION__, __LINE__); + HX_RESULT retVal = HXR_OK; + unsigned ulNumStreams = 0; + rm_parser* pParser = HXNULL; + rm_stream_header *pHdr = HXNULL; + ra_depack *pRADpack = HXNULL; + ra_format_info *pRAInfo = HXNULL; + int i; +#if 0 + struct audio_info *real_data; + real_data = (struct audio_info *)fmt->private_data; + if (!real_data || !real_data->extradata) { + raac_print("[raac decode],got extra data failed\n"); + return -1; + } +#endif + struct audio_info real_data; + + real_data.bitrate = adec_ops->bps; + real_data.channels = adec_ops->channels; + real_data.extradata_size = adec_ops->extradata_size; + real_data.sample_rate = adec_ops->samplerate; + + adec_ops->nInBufSize = DefaultReadSize; + adec_ops->nOutBufSize = DefaultOutBufSize; + raac_print("%s:%d\n", __FUNCTION__, __LINE__); + memset(real_data.extradata, 0, AUDIO_EXTRA_DATA_SIZE); + raac_print("%d,%d\n", real_data.extradata_size, adec_ops->extradata_size); + for (i = 0; i < real_data.extradata_size; i++) { + real_data.extradata[i] = adec_ops->extradata[i]; + } + + raac_print("raac audioinfo four data [0x%x], [0x%x],[0x%x],[0x%x],[0x%x],[0x%x],[0x%x],[0x%x],\n", real_data.extradata[0], \ + real_data.extradata[1], real_data.extradata[2], real_data.extradata[3], \ + real_data.extradata[4], real_data.extradata[5], real_data.extradata[6], real_data.extradata[7]); + + memcpy(file_header, real_data.extradata, AUDIO_EXTRA_DATA_SIZE); + + if (cook_input.buf == NULL) { + cook_input.buf = (BYTE *)malloc(DefaultReadSize * sizeof(BYTE)); + if (cook_input.buf != NULL) { + memset(cook_input.buf, 0, DefaultReadSize); + cook_input.buf_len = 0; + cook_input.buf_max = DefaultReadSize; + cook_input.cousume = 0; + cook_input.all_consume = 0; + } else { + raac_print("inbuf malloc failed\n"); + return -1; + } + } + if (cook_output.buf == NULL) { + cook_output.buf = (BYTE *)malloc(DefaultOutBufSize * sizeof(BYTE)); + if (cook_output.buf != NULL) { + memset(cook_output.buf, 0, DefaultOutBufSize); + cook_output.buf_len = 0; + cook_output.buf_max = DefaultOutBufSize; + cook_output.cousume = 0; + } else { + raac_print("outbuf malloc failed\n"); + return -1; + } + } + + if (cook_input.buf == NULL || cook_output.buf == NULL) { + raac_print("malloc buf failed\n"); + return -1; + + } + //dsp_cache_wback((unsigned)file_header,AUDIO_EXTRA_DATA_SIZE); + cur_frame.offset = 0; + + unsigned ulCodec4CC = 0; + //int i; + /*clear up the decoder structure */ + memset(&raac_dec_info, 0, sizeof(raac_decoder_info_t)); + memset(&raac_info, 0, sizeof(rm_info_t)); + cur_read_ptr = file_header; + + /* Create the parser struct */ + pParser = rm_parser_create(NULL, rm_error); + if (!pParser) { + raac_print("[raac decode],create parser failed\n"); + return -1; + } + /* Set the stream into the parser */ +#if 0 + for (i = 0; i < 1; i++) { + raac_print("%d header data [0x%x],[0x%x],[0x%x],[0x%x],[0x%x],[0x%x],[0x%x],[0x%x]\n\t", i, \ + file_header[i * 8 + 0], file_header[i * 8 + 1], file_header[i * 8 + 2], file_header[i * 8 + 3], \ + file_header[i * 8 + 4], file_header[i * 8 + 5], file_header[i * 8 + 6], file_header[i * 8 + 7]); + } +#endif /* 0 */ + retVal = rm_parser_init_io(pParser, file_header, rm_io_read, rm_io_seek); + if (retVal != HXR_OK) { + raac_print("[raac decode], parser init IO failed,errid %d\n", retVal); + rm_parser_destroy(&pParser); + return -1; + } + /* Read all the headers at the beginning of the .rm file */ + retVal = rm_parser_read_headers(pParser); + if (retVal != HXR_OK) { + raac_print("[raac decode], parser read header failed,errid %d\n", retVal); + rm_parser_destroy(&pParser); + return -1; + } + raac_print("raac: rm_parser_read_headers finished \n"); + /* Get the number of streams */ + ulNumStreams = rm_parser_get_num_streams(pParser); + if (ulNumStreams == 0) { + raac_print("[raac decode], no stream found\n"); + rm_parser_destroy(&pParser); + return -1; + } + for (i = 0; i < ulNumStreams && retVal == HXR_OK; i++) { + retVal = rm_parser_get_stream_header(pParser, i, &pHdr); + if (retVal == HXR_OK) { + if (rm_stream_is_realaudio(pHdr)) { + /* Create the RealAudio depacketizer */ + pRADpack = ra_depack_create((void*)pParser, _raac_block_available, NULL, rm_error); + if (!pRADpack) { + raac_print("[raac decode], create depack failed\n"); + rm_parser_destroy_stream_header(pParser, &pHdr); + rm_parser_destroy(&pParser); + return -1; + } + /* Initialize the RA depacketizer with the stream header */ + retVal = ra_depack_init(pRADpack, pHdr); + if (retVal != HXR_OK) { + raac_print("[raac decode],init depack failed,errid %d\n", retVal); + ra_depack_destroy(&pRADpack); + rm_parser_destroy_stream_header(pParser, &pHdr); + rm_parser_destroy(&pParser); + return -1; + } + /* + * Get the codec 4CC of substream 0. We + * arbitrarily choose substream 0 here. + */ + ulCodec4CC = ra_depack_get_codec_4cc(pRADpack, 0); + if (ulCodec4CC == 0x636F6F6B) { /* cook */ + retVal = ra_depack_get_codec_init_info(pRADpack, 0, &pRAInfo); + raac_info.pRaInfo = pRAInfo; + } else if ((ulCodec4CC == 0x72616163) || (ulCodec4CC == 0x72616370)) + /* raac racp */ + { + retVal = ra_depack_get_codec_init_info(pRADpack, 0, &pRAInfo); + raac_info.pRaInfo = pRAInfo; + } + raac_info.pDepack = pRADpack; + } + rm_parser_destroy_stream_header(pParser, &pHdr); + } + raac_print("raac rm_parser_get_stream_header finished\n"); + } + /* Set the stream into the parser */ + retVal = rm_parser_init_io(pParser, 0, rm_ab_read, rm_ab_seek); + if (retVal != HXR_OK) { + if (pRADpack) { + ra_depack_destroy(&pRADpack); + raac_info.pDepack = NULL; + } + if (pParser) { + rm_parser_destroy(&pParser); + } + raac_print("[raac decode],rm_parser_init_io failed,errid %d\n", retVal); + return -1; + } + raac_info.pParser = pParser; + rm_parser_set_stream(&pParser, 0); + rm_parser_file_seek(pParser, 0); + raac_dec_info.pDecode = ra_decode_create(HXNULL, rm_error); + if (retVal != HXR_OK) { + if (pRADpack) { + ra_depack_destroy(&pRADpack); + raac_info.pDepack = NULL; + } + if (pParser) { + rm_parser_destroy(&pParser); + } + raac_print("[raac decode],ra_decode_create failed,errid %d\n", retVal); + return -1; + } + raac_dec_info.ulStatus = RADEC_PLAY; + raac_dec_info.ulTotalSample = 0; + raac_dec_info.ulTotalSamplePlayed = 0; + UINT32 ulBufSize = 2048/*max sample*/ * 2/*max channel*/ * sizeof(UINT16) * SBR_MUL; + raac_dec_info.ulOutBufSize = ulBufSize; + raac_dec_info.pOutBuf = (BYTE*) malloc(raac_dec_info.ulOutBufSize); + if (raac_dec_info.pOutBuf == NULL) { + if (pRADpack) { + ra_depack_destroy(&pRADpack); + raac_info.pDepack = NULL; + } + if (pParser) { + rm_parser_destroy(&pParser); + raac_info.pParser = NULL; + } + raac_print("[raac decode],dsp malloc failed,request %s bytes\n", raac_dec_info.ulOutBufSize); + return -1; + } + retVal = ra_decode_init(raac_dec_info.pDecode, ulCodec4CC, HXNULL, 0, raac_info.pRaInfo); + if (retVal != HXR_OK) { + if (pRADpack) { + ra_depack_destroy(&pRADpack); + raac_info.pDepack = NULL; + } + if (pParser) { + rm_parser_destroy(&pParser); + raac_info.pParser = NULL; + } + raac_print("[raac decode],ra_decode_init failed,errid %d\n", retVal); + return -1; + } + //fmt->valid=CHANNEL_VALID | SAMPLE_RATE_VALID | DATA_WIDTH_VALID; + //fmt->channel_num = raac_info.pRaInfo->usNumChannels; + //fmt->data_width = 16; +#if 0//def AAC_ENABLE_SBR + //fmt->sample_rate = raac_info.pRaInfo->ulActualRate; +#else + //fmt->sample_rate = raac_info.pRaInfo->ulSampleRate; + aac_decode *pdec = (aac_decode *)raac_dec_info.pDecode->pDecode; + if (pdec /*&& pdec->ulSampleRateCore*/) { + //fmt->sample_rate = pdec->ulSampleRateCore; + raac_print("actual sr %d, sr %d,sbr %d,core sr %d,dec aac sr %d \n", raac_info.pRaInfo->ulActualRate, \ + raac_info.pRaInfo->ulSampleRate, pdec->bSBR, \ + pdec->ulSampleRateCore, pdec->ulSampleRateOut); + } +#endif + + return 0; +} + +void ra_depack_cleanup(void) +{ + /* Destroy the codec init info */ + if (raac_info.pRaInfo) { + ra_depack_destroy_codec_init_info(raac_info.pDepack, &raac_info.pRaInfo); + } + /* Destroy the depacketizer */ + if (raac_info.pDepack) { + ra_depack_destroy(&raac_info.pDepack); + } + /* If we have a packet, destroy it */ + if (raac_info.pPacket) { + rm_parser_destroy_packet(raac_info.pParser, &raac_info.pPacket); + } + if (raac_info.pParser) { + rm_parser_destroy(&raac_info.pParser); + } + memset(&raac_info, 0, sizeof(raac_info)); +} + + +//static int raac_decode_release(void) +int audio_dec_release(audio_decoder_operations_t *adec_ops) +{ + if (cook_input.buf != NULL) { + free(cook_input.buf); + cook_input.buf = NULL; + } + if (cook_output.buf != NULL) { + free(cook_output.buf); + cook_output.buf = NULL; + } + + ra_decode_destroy(raac_dec_info.pDecode); + raac_dec_info.pDecode = HXNULL; + if (raac_dec_info.pOutBuf) { + free(raac_dec_info.pOutBuf); + raac_dec_info.pOutBuf = HXNULL; + } + raac_dec_info.ulStatus = RADEC_IDLE; + ra_depack_cleanup(); + raac_print(" raac decoder release\n"); + + return 0; +} + +int audio_dec_getinfo(audio_decoder_operations_t *adec_ops, void *pAudioInfo) +{ + aac_decode *pdec = (aac_decode *)raac_dec_info.pDecode->pDecode; + if (pdec) { + ((AudioInfo *)pAudioInfo)->channels = pdec->ulNumChannels; + ((AudioInfo *)pAudioInfo)->samplerate = pdec->ulSampleRateOut; + } + return 0; +} + + +#if 0 +static struct codec_type raac_codec = { + .name = "raac", + .init = raac_decode_init, + .release = raac_decode_release, + .decode_frame = raac_decode_frame, +}; + + +void __used raac_codec_init(void) +{ + raac_print("register raac lib \n"); + register_codec(&raac_codec); +} + +CODEC_INIT(raac_codec_init); +#endif diff --git a/audio_codec/libraac/raac_decode.h b/audio_codec/libraac/raac_decode.h new file mode 100644 index 0000000..1816f09 --- a/dev/null +++ b/audio_codec/libraac/raac_decode.h @@ -0,0 +1,37 @@ +#ifndef _AUDIO_CODEC_RAAC_H +#define _AUDIO_CODEC_RAAC_H + +#include "include/rm_parse.h" +#include "include/ra_depack.h" +#include "include/ra_decode.h" + + +typedef struct { + ra_decode* pDecode; + ra_format_info* pRaInfo; + BYTE* pOutBuf; + UINT32 ulOutBufSize; + UINT32 ulTotalSample; + UINT32 ulTotalSamplePlayed; + UINT32 ulStatus; + UINT32 input_buffer_size; + BYTE* input_buf; + UINT32 decoded_size; + +} raac_decoder_info_t; + +typedef struct { + BYTE *buf; + int buf_len; + int buf_max; + int cousume; + int all_consume; +} cook_IObuf; + +#define RADEC_IDLE 0 +#define RADEC_INIT 1 +#define RADEC_PLAY 2 +#define RADEC_PAUSE 3 + +#define USE_C_DECODER +#endif diff --git a/audio_codec/libraac/rm_error_default.c b/audio_codec/libraac/rm_error_default.c new file mode 100644 index 0000000..f687516 --- a/dev/null +++ b/audio_codec/libraac/rm_error_default.c @@ -0,0 +1,60 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_error_default.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +//#include "includes.h" +#include "../include/rm_error.h" +#include "../include/rm_error_default.h" + +#include + +#define LOG_TAG "codec_raac" +#define raac_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) + + +void rm_error_default(void* pUserError, HX_RESULT err, const char* msg) +{ + if (msg) { + raac_print( + "rm_error_default(pUserError=0x%08x,err=0x%08x,msg=%s\n", + pUserError, err, msg); + } else { + raac_print( + "rm_error_default(pUserError=0x%08x,err=0x%08x\n", + pUserError, err); + } +} diff --git a/audio_codec/libraac/rm_io_default.c b/audio_codec/libraac/rm_io_default.c new file mode 100644 index 0000000..39d6878 --- a/dev/null +++ b/audio_codec/libraac/rm_io_default.c @@ -0,0 +1,101 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_io_default.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +//#include "includes.h" +//#include "avtimer.h" +//#include "aw_windows.h" +//#include "datasrc.h" + +#include "../include/helix_types.h" +#include "../include/rm_io_default.h" +#include "../include/rm_parse.h" + +UINT32 rm_io_default_read(void* pUserRead, BYTE* pBuf, UINT32 ulBytesToRead) +{ + UINT32 ulRet = 0; +#if 0 + if (pBuf && ulBytesToRead) { + /* For default, the void* is a FILE* */ + INT32 fp = (INT32) pUserRead; + /* Read the number of bytes requested */ + ulRet = (UINT32) read(fp, pBuf, ulBytesToRead); + } +#endif + return ulRet; +} + +void rm_io_default_seek(void* pUserRead, UINT32 ulOffset, UINT32 ulOrigin) +{ +#if 0 + { + /* For default, the void* is a FILE* */ + INT32 fp = (INT32) pUserRead; + /* Do the seek */ + lseek(fp, ulOffset, ulOrigin); + } +#endif +} + +UINT32 rm_io_datasrc_read(void* pUserRead, BYTE* pBuf, UINT32 ulBytesToRead) +{ + UINT32 ulRet = 0; +#if 0 + DataSrc_t *ds = (DataSrc_t*)pUserRead; + + if (ds && pBuf && ulBytesToRead) { + ulRet = DataSrcRead(ds, pBuf, ulBytesToRead); + } +#endif + return ulRet; +} + +void rm_io_datasrc_seek(void* pUserRead, UINT32 ulOffset, UINT32 ulOrigin) +{ +#if 0 + DataSrc_t *ds = (DataSrc_t*)pUserRead; + + if (ds) { + if (ulOrigin == HX_SEEK_ORIGIN_CUR) { + DataSrcSeek(ds, ulOffset, SEEK_CUR); + } else if (ulOrigin == HX_SEEK_ORIGIN_SET) { + DataSrcSeek(ds, ulOffset, SEEK_SET); + } else if (ulOrigin == HX_SEEK_ORIGIN_END) { + DataSrcSeek(ds, ulOffset, SEEK_END); + } + } +#endif +} diff --git a/audio_codec/libraac/rm_memory_default.c b/audio_codec/libraac/rm_memory_default.c new file mode 100644 index 0000000..e5ed9f0 --- a/dev/null +++ b/audio_codec/libraac/rm_memory_default.c @@ -0,0 +1,54 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_memory_default.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include +#include +#include +//#include "includes.h" +#include "../include/rm_memory.h" +#include "../include/rm_memory_default.h" + +void* rm_memory_default_malloc(void* pUserMem, UINT32 ulSize) +{ + return (void *)malloc(ulSize); +} + +void rm_memory_default_free(void* pUserMem, void* ptr) +{ + free(ptr); +} diff --git a/audio_codec/libraac/rm_packet.c b/audio_codec/libraac/rm_packet.c new file mode 100644 index 0000000..0a7630b --- a/dev/null +++ b/audio_codec/libraac/rm_packet.c @@ -0,0 +1,117 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_packet.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include "../include/helix_types.h" +#include "../include/rm_packet.h" + +UINT32 rm_packet_get_timestamp(rm_packet* packet) +{ + UINT32 ulRet = 0; + + if (packet) { + ulRet = packet->ulTime; + } + + return ulRet; +} + +UINT32 rm_packet_get_stream_number(rm_packet* packet) +{ + UINT32 ulRet = 0; + + if (packet) { + ulRet = packet->usStream; + } + + return ulRet; +} + +UINT32 rm_packet_get_asm_flags(rm_packet* packet) +{ + UINT32 ulRet = 0; + + if (packet) { + ulRet = packet->usASMFlags; + } + + return ulRet; +} + +UINT32 rm_packet_get_asm_rule_number(rm_packet* packet) +{ + UINT32 ulRet = 0; + + if (packet) { + ulRet = packet->ucASMRule; + } + + return ulRet; +} + +UINT32 rm_packet_get_data_length(rm_packet* packet) +{ + UINT32 ulRet = 0; + + if (packet) { + ulRet = packet->usDataLen; + } + + return ulRet; +} + +BYTE* rm_packet_get_data(rm_packet* packet) +{ + BYTE* pRet = HXNULL; + + if (packet) { + pRet = packet->pData; + } + + return pRet; +} + +HXBOOL rm_packet_is_lost(rm_packet* packet) +{ + HXBOOL bRet = FALSE; + + if (packet) { + bRet = (packet->ucLost ? TRUE : FALSE); + } + + return bRet; +} + diff --git a/audio_codec/libraac/rm_parser.c b/audio_codec/libraac/rm_parser.c new file mode 100644 index 0000000..80c2c83 --- a/dev/null +++ b/audio_codec/libraac/rm_parser.c @@ -0,0 +1,649 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_parser.c,v 1.1.1.1.2.1 2005/05/04 18:21:36 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include +#include "../include/helix_types.h" +#include "../include/helix_result.h" +#include "../include/rm_parse.h" +#include "rm_parser_internal.h" +#include "../include/rm_memory_default.h" +#include "../include/rm_error_default.h" +#include "../include/rm_io_default.h" +#include "../include/memory_utils.h" +#include "../include/pack_utils.h" + +/* + * We will create a buffer of this size to handle + * reading of headers. The buffer will get increased + * in size if we encounter a header bigger than this + * size. Therefore, we would like to pick a reasonable + * size so that the we don't have lots of little + * allocations. This size should be the maximum + * of the expected size of the headers in the .rm file. + * + * XXXMEH - run lots of .rm files to see what a good + * size to pick. + */ +#define RM_PARSER_INITIAL_READ_BUFFER_SIZE 256 + +HXBOOL rm_parser_is_rm_file(BYTE* pBuf, UINT32 ulSize) +{ + HXBOOL bRet = FALSE; + + /* Look for magic number ".RMF" at the beginning */ + if (ulSize >= 4) { + UINT32 ulID = rm_unpack32(&pBuf, &ulSize); + if (ulID == RM_HEADER_OBJECT) { + bRet = TRUE; + } + } + + return bRet; +} + +rm_parser* rm_parser_create(void* pError, + rm_error_func_ptr fpError) +{ + return rm_parser_create2(pError, + fpError, + HXNULL, + rm_memory_default_malloc, + rm_memory_default_free); +} + +rm_parser* rm_parser_create2(void* pError, + rm_error_func_ptr fpError, + void* pMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + rm_parser* pRet = HXNULL; + + if (fpMalloc) { + /* Allocate space for the rm_parser_internal struct + * by using the passed-in malloc function + */ + rm_parser_internal* pInt = (rm_parser_internal*) fpMalloc(pMem, sizeof(rm_parser_internal)); + if (pInt) { + /* Zero out the struct */ + memset((void*) pInt, 0, sizeof(rm_parser_internal)); + /* + * Assign the error members. If the user did not + * provide an error callback, then use the default + * rm_error_default(). + */ + if (fpError) { + pInt->fpError = fpError; + pInt->pUserError = pError; + } else { + pInt->fpError = rm_error_default; + pInt->pUserError = HXNULL; + } + /* Assign the memory functions */ + pInt->fpMalloc = fpMalloc; + pInt->fpFree = fpFree; + pInt->pUserMem = pMem; + /* Assign the return value */ + pRet = (rm_parser*) pInt; + } + } + + return pRet; +} + +HX_RESULT rm_parser_init_stdio(rm_parser* pParser, + FILE* fp) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser && fp) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Assign the default io functions */ + pInt->fpRead = rm_io_default_read; + pInt->fpSeek = rm_io_default_seek; + pInt->pUserRead = (void*) fp; + /* Clear the return value */ + retVal = HXR_OK; + } + + return retVal; +} + +HX_RESULT rm_parser_init_io(rm_parser* pParser, + void* pUserRead, + rm_read_func_ptr fpRead, + rm_seek_func_ptr fpSeek) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser && fpRead && fpSeek) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Assign the default io functions */ + pInt->fpRead = fpRead; + pInt->fpSeek = fpSeek; + pInt->pUserRead = pUserRead; + /* Clear the return value */ + retVal = HXR_OK; + } + + return retVal; +} + +HX_RESULT rm_parser_read_headers(rm_parser* pParser) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Clear the return value */ + retVal = HXR_OK; + /* Allocate the read buffer if necessary */ + if (!pInt->pReadBuffer) { + retVal = rm_enforce_buffer_min_size(pInt->pUserMem, + pInt->fpMalloc, + pInt->fpFree, + &pInt->pReadBuffer, + &pInt->ulReadBufferSize, + RM_PARSER_INITIAL_READ_BUFFER_SIZE); + if (retVal == HXR_OK) { + /* Set the number of bytes read to zero */ + pInt->ulNumBytesRead = 0; + } + } + if (retVal == HXR_OK) { + retVal = rm_parseri_read_all_headers(pInt); + } + } + + return retVal; +} + + +UINT32 rm_parser_get_max_bit_rate(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.max_bit_rate; + } + + return ulRet; +} + +UINT32 rm_parser_get_avg_bit_rate(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.avg_bit_rate; + } + + return ulRet; +} + +UINT32 rm_parser_get_max_packet_size(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.max_pkt_size; + } + + return ulRet; +} + +UINT32 rm_parser_get_avg_packet_size(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.avg_pkt_size; + } + + return ulRet; +} + +UINT32 rm_parser_get_num_packets(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.num_pkts; + } + + return ulRet; +} + +UINT32 rm_parser_get_duration(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.duration; + } + + return ulRet; +} + +UINT32 rm_parser_get_preroll(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.preroll; + } + + return ulRet; +} + +void rm_parser_set_index_offset(rm_parser* pParser, UINT32 offset) +{ + UINT32 ulRet = 0; + + if (pParser) { + ((rm_parser_internal*) pParser)->propHdr.index_offset = offset; + } +} + +UINT32 rm_parser_get_index_offset(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.index_offset; + } + + return ulRet; +} + +UINT32 rm_parser_get_data_offset(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->propHdr.data_offset; + } + + return ulRet; +} + +UINT32 rm_parser_get_data_size(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->pDataHdr[0].size; + } + + return ulRet; +} + +const char* rm_parser_get_title(rm_parser* pParser) +{ + const char* pRet = HXNULL; + + if (pParser) { + pRet = (const char*)((rm_parser_internal*) pParser)->contHdr.title; + } + + return pRet; +} + +const char* rm_parser_get_author(rm_parser* pParser) +{ + const char* pRet = HXNULL; + + if (pParser) { + pRet = (const char*)((rm_parser_internal*) pParser)->contHdr.author; + } + + return pRet; +} + +const char* rm_parser_get_copyright(rm_parser* pParser) +{ + const char* pRet = HXNULL; + + if (pParser) { + pRet = (const char*)((rm_parser_internal*) pParser)->contHdr.copyright; + } + + return pRet; +} + +const char* rm_parser_get_comment(rm_parser* pParser) +{ + const char* pRet = HXNULL; + + if (pParser) { + pRet = (const char*)((rm_parser_internal*) pParser)->contHdr.comment; + } + + return pRet; +} + +UINT32 rm_parser_get_num_streams(rm_parser* pParser) +{ + UINT32 ulRet = 0; + + if (pParser) { + ulRet = ((rm_parser_internal*) pParser)->ulNumStreams; + } + + return ulRet; +} + +UINT32 rm_parser_get_stream_number(rm_parser* pParser, UINT32 ulStreamNum) +{ + UINT32 ulRet = 0xffffffff; + + if (pParser) { + ulRet = rm_parseri_get_stream_number((rm_parser_internal*) pParser, ulStreamNum); + } + return ulRet; +} + +void rm_parser_set_stream_size(rm_parser* pParser, UINT32 ulStreamSize) +{ + if (pParser) { + rm_parseri_set_stream_size((rm_parser_internal*) pParser, ulStreamSize); + } +} + +HX_RESULT rm_parser_get_file_properties(rm_parser* pParser, + rm_property** ppProp, + UINT32* pulNumProps) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser && ppProp && pulNumProps) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + if (pInt->fpMalloc && pInt->fpFree) { + /* Get the number of file properties */ + UINT32 ulNum = rm_parseri_get_num_file_properties(pInt); + if (ulNum) { + /* Compute the size of the rm_property array */ + UINT32 ulSize = ulNum * sizeof(rm_property); + /* Allocate an array of this size */ + rm_property* pPropArr = pInt->fpMalloc(pInt->pUserMem, ulSize); + if (pPropArr) { + /* NULL out the memory */ + memset(pPropArr, 0, ulSize); + /* Collect the properties */ + retVal = rm_parseri_get_file_properties(pInt, pPropArr, ulNum); + if (retVal == HXR_OK) { + /* Assign the out parameters */ + *ppProp = pPropArr; + *pulNumProps = ulNum; + } else { + /* Free the array */ + pInt->fpFree(pInt->pUserMem, pPropArr); + } + } + } + } + } + + return retVal; +} + +void rm_parser_destroy_properties(rm_parser* pParser, + rm_property** ppProp, + UINT32* pulNumProps) +{ + if (pParser && ppProp && pulNumProps && *ppProp && *pulNumProps) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + if (pInt->fpFree) { + /* Get the pointer to the array */ + rm_property* pProp = *ppProp; + /* Clean up the properties */ + UINT32 i = 0; + for (i = 0; i < *pulNumProps; i++) { + rm_parseri_cleanup_rm_property(pInt, &pProp[i]); + } + /* Free the memory */ + pInt->fpFree(pInt->pUserMem, pProp); + /* NULL out the pointer */ + *ppProp = HXNULL; + /* Zero out the number of properties */ + *pulNumProps = 0; + } + } +} + +HX_RESULT rm_parser_get_stream_header(rm_parser* pParser, + UINT32 ulStreamNum, + rm_stream_header** ppHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser && ppHdr) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + if (pInt->fpMalloc) { + rm_stream_header* pHdr = (rm_stream_header*) pInt->fpMalloc(pInt->pUserMem, + sizeof(rm_stream_header)); + if (pHdr) { + /* NULL out the memory */ + memset(pHdr, 0, sizeof(rm_stream_header)); + /* Copy the stream header */ + retVal = rm_parseri_copy_stream_header(pInt, ulStreamNum, pHdr); + if (retVal == HXR_OK) { + /* Assign the out parameter */ + *ppHdr = pHdr; + } else { + /* Clean up the stream header */ + rm_parseri_cleanup_stream_header(pInt, pHdr); + /* Free the memory we allocated */ + pInt->fpFree(pInt->pUserMem, pHdr); + } + } + } + } + + return retVal; +} + +void rm_parser_destroy_stream_header(rm_parser* pParser, + rm_stream_header** ppHdr) +{ + if (pParser && ppHdr && *ppHdr) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Cleanup the stream header */ + rm_parseri_cleanup_stream_header(pInt, *ppHdr); + /* Free the memory associated with this header */ + pInt->fpFree(pInt->pUserMem, *ppHdr); + /* NULL out the pointer */ + *ppHdr = HXNULL; + } +} + +HX_RESULT rm_parser_get_packet(rm_parser* pParser, + rm_packet** ppPacket) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser && ppPacket) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Read the next packet */ + retVal = rm_parseri_read_next_packet(pInt, ppPacket); + } + + return retVal; +} + +void rm_parser_destroy_packet(rm_parser* pParser, + rm_packet** ppPacket) +{ + if (pParser && ppPacket && *ppPacket) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + if (pInt->fpFree) { + /* Free the packet data */ + if ((*ppPacket)->pData) { + pInt->fpFree(pInt->pUserMem, (*ppPacket)->pData); + (*ppPacket)->pData = HXNULL; + } + /* Free the packet */ + pInt->fpFree(pInt->pUserMem, *ppPacket); + *ppPacket = HXNULL; + } + } +} + +HX_RESULT rm_parser_seek(rm_parser* pParser, + UINT32 ulTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Read the next packet */ + retVal = rm_parseri_seek(pInt, ulTime); + } + + return retVal; +} + +HX_RESULT rm_parser_build_seek_table(rm_parser* pParser) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Read the next packet */ + retVal = rm_parseri_build_seek_table(pInt); + } + + return retVal; +} + +HX_RESULT rm_parser_seek_in_seek_table(rm_parser* pParser, INT32 lStreamNumber, UINT32 ulSeekTime, INT32 lDirection, UINT32* pulFoundTime, UINT32* pulDataOffset, UINT32* pulIndex) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Read the next packet */ + retVal = rm_parseri_search_seek_tables(pInt, lStreamNumber, ulSeekTime, lDirection, pulFoundTime, pulDataOffset, pulIndex); + } + + return retVal; +} + +void rm_parser_file_seek(rm_parser* pParser, UINT32 ulOffset) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Read the next packet */ + rm_parseri_file_seek(pInt, ulOffset, HX_SEEK_ORIGIN_SET); + } +} + +void rm_parser_file_skip(rm_parser* pParser, UINT32 ulOffset) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) pParser; + /* Read the next packet */ + rm_parseri_file_seek(pInt, ulOffset, HX_SEEK_ORIGIN_CUR); + } +} + +void rm_parser_destroy(rm_parser** ppParser) +{ + if (ppParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) * ppParser; + if (pInt && pInt->fpFree) { + /* Save a pointer to fpFree and pUserMem */ + rm_free_func_ptr fpFree = pInt->fpFree; + void* pUserMem = pInt->pUserMem; + /* Clean up the content header */ + rm_parseri_cleanup_content_hdr(pInt); + /* Clean up the media props headers */ + rm_parseri_cleanup_all_media_props_hdrs(pInt); + /* Clean up all logical stream headers */ + rm_parseri_cleanup_all_logical_stream_hdrs(pInt); + /* Clean up the logical fileinfo header */ + rm_parseri_cleanup_logical_fileinfo_hdr(pInt); + //rm_parseri_cleanup_logical_stream_hdr(pInt, pInt->pLogicalFileInfo); + /* Clean up the read buffer */ + rm_parseri_cleanup_read_buffer(pInt); + /* Free the stream num map */ + rm_parseri_cleanup_stream_num_map(pInt); + /* Clean up the stream info array */ + rm_parseri_cleanup_stream_info_array(pInt); + /* Clean up the stream header array */ + rm_parseri_cleanup_all_stream_headers(pInt); + /* Clean up the data header */ + rm_parseri_cleanup_all_data_headers(pInt); + /* Null everything out */ + memset(pInt, 0, sizeof(rm_parser_internal)); + /* Free the rm_parser_internal struct memory */ + fpFree(pUserMem, pInt); + /* NULL out the pointer */ + *ppParser = HXNULL; + } + } +} + +void rm_parser_set_stream(rm_parser** ppParser, UINT32 ulStreamNum) +{ + if (ppParser) { + /* Get the internal parser struct */ + rm_parser_internal* pInt = (rm_parser_internal*) * ppParser; + pInt->ulCurrentStream = ulStreamNum; + rm_parseri_file_seek(pInt, pInt->pMediaPropsHdr[pInt->ulCurrentStream].start_offset, HX_SEEK_ORIGIN_SET); + } +} \ No newline at end of file diff --git a/audio_codec/libraac/rm_parser_internal.c b/audio_codec/libraac/rm_parser_internal.c new file mode 100644 index 0000000..f0ac95a --- a/dev/null +++ b/audio_codec/libraac/rm_parser_internal.c @@ -0,0 +1,3342 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_parser_internal.c,v 1.2.2.1 2005/05/04 18:21:36 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include +#include +#include +//#include "includes.h" +//#include "ioapi.h" +//#include "datasrc.h" +#include "../include/helix_types.h" +#include "../include/helix_result.h" +#include "../include/helix_utils.h" +#include "rm_parser_internal.h" +#include "../include/rm_memory_default.h" +#include "../include/memory_utils.h" +#include "../include/pack_utils.h" +#include "../include/string_utils.h" +#include "../include/rm_stream.h" +#include "../include/packet_defines.h" +#include "../include/rv_format_info.h" + +#define RM_PARSER_LOGICAL_PREFIX "logical-" +#define RM_PARSER_LOGICAL_FILEINFO "logical-fileinfo" +#define RM_PARSER_NUM_RULE_BOOKS 9 +#define RM_PARSER_RULE_BOOK_BUFFER_SIZE 320 /* Big enough for format string and args */ + +#define RM_PARSER_LOGICAL_MULTIRATE_VIDEO "logical-video/x-pn-multirate-realvideo" +#define RM_PARSER_LOGICAL_MULTIRATE_AUDIO "logical-audio/x-pn-multirate-realaudio" + +static const char* g_pszRuleBook[] = { + /* VBR Real streams when max_bit_rate != 0 */ + "priority=%lu,AverageBandwidth=%lu,MaximumBandwidth=%lu," + "TimeStampDelivery=TRUE,PNMKeyFrameRule=T;" + "OnDepend=\"0\",priority=%lu,AverageBandwidth=0,MaximumBandwidth=0," + "TimeStampDelivery=TRUE,PNMNonKeyFrameRule=T;", + /* VBR Real streams when max_bit_rate == 0 */ + "priority=%lu,AverageBandwidth=%lu,TimeStampDelivery=TRUE,PNMKeyFrameRule=T;" + "OnDepend=\"0\",priority=%lu,AverageBandwidth=0,TimeStampDelivery=TRUE,PNMNonKeyFrameRule=T;", + /* Non-real-datatype VBR streams when max_bit_rate != 0 */ + "Marker=0,AverageBandwidth=%lu,MaximumBandwidth=%lu,TimeStampDelivery=TRUE;" + "Marker=1,AverageBandwidth=0,MaximumBandwidth=0,TimeStampDelivery=TRUE;", + /* Non-real-datatype VBR streams when max_bit_rate == 0 && avg_bit_rate != 0 */ + "Marker=0,AverageBandwidth=%lu,TimeStampDelivery=TRUE;" + "Marker=1,AverageBandwidth=0,TimeStampDelivery=TRUE;", + /* Non-real-datatype VBR streams when max_bit_rate == 0 && avg_bit_rate == 0 */ + "Marker=0,TimeStampDelivery=TRUE;" + "Marker=1,TimeStampDelivery=TRUE;", + /* CBR RealVideo */ + "#($Bandwidth >= %lu),priority=9,averagebandwidth=%lu,PNMKeyFrameRule=T;" + "#($Bandwidth >= %lu),OnDepend=\"0\",priority=5,averagebandwidth=0,PNMNonKeyFrameRule=T;" + "#($Bandwidth < %lu),priority=9,timestampdelivery=T,DropByN=T,PNMThinningRule=T;", + /* RealEvent streams */ + "TimeStampDelivery=T,priority=10,PNMKeyFrameRule=T;" + "TimeStampDelivery=T,priority=10,PNMNonKeyFrameRule=T;", + /* CBR RealAudio streams */ + "priority=5,averagebandwidth=%lu,PNMKeyFrameRule=T;" + "priority=5,averagebandwidth=0,PNMNonKeyFrameRule=T,OnDepend=\"0\",OffDepend=\"0\";", + /* CBR non-real-datatype streams */ + "Marker=0,priority=5,averagebandwidth=%lu;" + "Marker=1,priority=5,averagebandwidth=0;" +}; + +HX_RESULT rm_parseri_unpack_generic_hdr(rm_parser_internal* pInt, struct rm_generic_hdr* h) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && h) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= 10) { + /* Unpack the rm_generic_hdr */ + h->id = rm_unpack32(&pBuf, &ulLen); + h->size = rm_unpack32(&pBuf, &ulLen); + h->version = rm_unpack16(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + + +HX_RESULT rm_parseri_unpack_file_hdr(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= 18) { + /* Unpack the rm_file_hdr */ + pInt->fileHdr.id = rm_unpack32(&pBuf, &ulLen); + pInt->fileHdr.size = rm_unpack32(&pBuf, &ulLen); + pInt->fileHdr.version = rm_unpack16(&pBuf, &ulLen); + pInt->fileHdr.file_version = rm_unpack32(&pBuf, &ulLen); + pInt->fileHdr.num_headers = rm_unpack32(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } else if (ulLen == 16) { + /* Unpack the rm_file_hdr */ + pInt->fileHdr.id = rm_unpack32(&pBuf, &ulLen); + pInt->fileHdr.size = rm_unpack32(&pBuf, &ulLen); + pInt->fileHdr.version = rm_unpack16(&pBuf, &ulLen); + if (pInt->fileHdr.version == 0) { + pInt->fileHdr.file_version = rm_unpack16(&pBuf, &ulLen); + pInt->fileHdr.num_headers = rm_unpack32(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_properties_hdr(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= 50) { + /* Unpack the rm_properties_hdr */ + pInt->propHdr.id = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.size = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.version = rm_unpack16(&pBuf, &ulLen); + pInt->propHdr.max_bit_rate = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.avg_bit_rate = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.max_pkt_size = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.avg_pkt_size = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.num_pkts = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.duration = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.preroll = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.index_offset = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.data_offset = rm_unpack32(&pBuf, &ulLen); + pInt->propHdr.num_streams = rm_unpack16(&pBuf, &ulLen); + pInt->propHdr.flags = rm_unpack16(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_content_hdr(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= 12) { + /* Unpack the rm_content_hdr */ + pInt->contHdr.id = rm_unpack32(&pBuf, &ulLen); + pInt->contHdr.size = rm_unpack32(&pBuf, &ulLen); + pInt->contHdr.version = rm_unpack16(&pBuf, &ulLen); + pInt->contHdr.title_sz = rm_unpack16(&pBuf, &ulLen); + if (ulLen >= (UINT32) pInt->contHdr.title_sz + 2) { + rm_unpack_string(&pBuf, &ulLen, pInt->contHdr.title_sz, + &pInt->contHdr.title, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + pInt->contHdr.author_sz = rm_unpack16(&pBuf, &ulLen); + if (ulLen >= (UINT32) pInt->contHdr.author_sz + 2) { + rm_unpack_string(&pBuf, &ulLen, pInt->contHdr.author_sz, + &pInt->contHdr.author, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + pInt->contHdr.copyright_sz = rm_unpack16(&pBuf, &ulLen); + if (ulLen >= (UINT32) pInt->contHdr.copyright_sz + 2) { + rm_unpack_string(&pBuf, &ulLen, pInt->contHdr.copyright_sz, + &pInt->contHdr.copyright, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + pInt->contHdr.comment_sz = rm_unpack16(&pBuf, &ulLen); + if (ulLen >= pInt->contHdr.comment_sz) { + rm_unpack_string(&pBuf, &ulLen, pInt->contHdr.comment_sz, + &pInt->contHdr.comment, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + if (ulLen >= 4) { + if (RM_DATA_OBJECT == rm_unpack32_nse(pBuf, ulLen)) { + rm_parseri_file_seek(pInt, pInt->ulCurFileOffset - ulLen, HX_SEEK_ORIGIN_SET); + } + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + } + } + } + + return retVal; +} + +void rm_parseri_cleanup_content_hdr(rm_parser_internal* pInt) +{ + if (pInt) { + /* Delete the title string */ + if (pInt->contHdr.title) { + rm_parseri_free(pInt, pInt->contHdr.title); + pInt->contHdr.title = HXNULL; + } + /* Delete the author string */ + if (pInt->contHdr.author) { + rm_parseri_free(pInt, pInt->contHdr.author); + pInt->contHdr.author = HXNULL; + } + /* Delete the copyright string */ + if (pInt->contHdr.copyright) { + rm_parseri_free(pInt, pInt->contHdr.copyright); + pInt->contHdr.copyright = HXNULL; + } + /* Delete the comment string */ + if (pInt->contHdr.comment) { + rm_parseri_free(pInt, pInt->contHdr.comment); + pInt->contHdr.comment = HXNULL; + } + } +} + +HX_RESULT rm_parseri_unpack_media_props_hdr(rm_parser_internal* pInt, + struct rm_media_props_hdr* h) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && h) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + /* Unpack the rm_media_props_hdr */ + if (ulLen >= 41) { + h->id = rm_unpack32(&pBuf, &ulLen); + h->size = rm_unpack32(&pBuf, &ulLen); + h->version = rm_unpack16(&pBuf, &ulLen); + h->stream_num = rm_unpack16(&pBuf, &ulLen); + h->max_bit_rate = rm_unpack32(&pBuf, &ulLen); + h->avg_bit_rate = rm_unpack32(&pBuf, &ulLen); + h->max_pkt_size = rm_unpack32(&pBuf, &ulLen); + h->avg_pkt_size = rm_unpack32(&pBuf, &ulLen); + h->start_time = rm_unpack32(&pBuf, &ulLen); + h->preroll = rm_unpack32(&pBuf, &ulLen); + h->duration = rm_unpack32(&pBuf, &ulLen); + h->stream_name_sz = rm_unpack8(&pBuf, &ulLen); + if (ulLen >= (UINT32) h->stream_name_sz + 1) { + rm_unpack_string(&pBuf, &ulLen, h->stream_name_sz, &h->stream_name, + pInt->pUserMem, pInt->fpMalloc, pInt->fpFree); + h->mime_type_sz = rm_unpack8(&pBuf, &ulLen); + if (ulLen >= (UINT32) h->mime_type_sz + 4) { + rm_unpack_string(&pBuf, &ulLen, h->mime_type_sz, &h->mime_type, + pInt->pUserMem, pInt->fpMalloc, pInt->fpFree); + h->type_spec_sz = rm_unpack32(&pBuf, &ulLen); + if (ulLen >= (UINT32) h->type_spec_sz) { + rm_unpack_buffer(&pBuf, &ulLen, h->type_spec_sz, &h->type_spec, + pInt->pUserMem, pInt->fpMalloc, pInt->fpFree); + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + } + } + + return retVal; +} + +void rm_parseri_cleanup_media_props_hdr(rm_parser_internal* pInt, + struct rm_media_props_hdr* h) +{ + if (pInt && h) { + /* Delete the stream name string */ + if (h->stream_name) { + rm_parseri_free(pInt, h->stream_name); + h->stream_name = HXNULL; + } + /* Delete the mime type string */ + if (h->mime_type) { + rm_parseri_free(pInt, h->mime_type); + h->mime_type = HXNULL; + } + /* Delete the type specific data buffer */ + if (h->type_spec) { + rm_parseri_free(pInt, h->type_spec); + h->type_spec = HXNULL; + } + } +} + +void rm_parseri_cleanup_all_media_props_hdrs(rm_parser_internal* pInt) +{ + if (pInt && pInt->pMediaPropsHdr) { + /* Clean up each individual media properties header */ + UINT32 i = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + rm_parseri_cleanup_media_props_hdr(pInt, &pInt->pMediaPropsHdr[i]); + } + /* Free the memory for the array */ + rm_parseri_free(pInt, pInt->pMediaPropsHdr); + /* Zero out the number of media props headers */ + pInt->ulNumMediaPropsHdrs = 0; + pInt->ulNumMediaPropsHdrsAlloc = 0; + /* Null out the pointer */ + pInt->pMediaPropsHdr = HXNULL; + } +} + +HX_RESULT rm_parseri_unpack_name_value_map(rm_parser_internal* pInt, + struct rm_name_value_map* pMap, + BYTE** ppBuf, UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pMap && ppBuf && pulLen && *pulLen >= 7) { + /* Unpack the name-value map struct */ + pMap->size = rm_unpack32(ppBuf, pulLen); + pMap->version = rm_unpack16(ppBuf, pulLen); + pMap->name_sz = rm_unpack8(ppBuf, pulLen); + if (*pulLen >= (UINT32) pMap->name_sz + 6) { + rm_unpack_string(ppBuf, pulLen, pMap->name_sz, &pMap->name, + pInt->pUserMem, pInt->fpMalloc, pInt->fpFree); + pMap->type = rm_unpack32(ppBuf, pulLen); + pMap->value_sz = rm_unpack16(ppBuf, pulLen); + if (*pulLen >= pMap->value_sz) { + rm_unpack_buffer(ppBuf, pulLen, pMap->value_sz, &pMap->value, + pInt->pUserMem, pInt->fpMalloc, pInt->fpFree); + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + + return retVal; +} + +void rm_parseri_cleanup_name_value_map(rm_parser_internal* pInt, + struct rm_name_value_map* h) +{ + if (pInt && h) { + /* Delete the name string */ + if (h->name) { + rm_parseri_free(pInt, h->name); + h->name = HXNULL; + } + /* Delete the value buffer */ + if (h->value) { + rm_parseri_free(pInt, h->value); + h->value = HXNULL; + } + } +} + +void rm_parseri_cleanup_all_name_value_maps(rm_parser_internal* pInt, + struct rm_logical_stream_hdr* h) +{ + if (pInt && h && h->props) { + /* Clean up each name-value pair */ + UINT16 i = 0; + for (i = 0; i < h->num_props; i++) { + rm_parseri_cleanup_name_value_map(pInt, &h->props[i]); + } + /* Free the array of props */ + rm_parseri_free(pInt, h->props); + /* Zero out the number of props */ + h->num_props = 0; + /* NULL out the pointer */ + h->props = HXNULL; + } +} + +HX_RESULT rm_parseri_unpack_logical_stream_hdr(rm_parser_internal* pInt, + struct rm_media_props_hdr* mh, + struct rm_logical_stream_hdr* h) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && mh && mh->type_spec && mh->type_spec_sz > 0 && h) { + /* Assign temporary variables */ + BYTE* pBuf = mh->type_spec; + UINT32 ulLen = mh->type_spec_sz; + UINT32 ulSize = 0; + UINT16 i = 0; + /* Parse the logical stream header */ + if (ulLen >= 8) { + h->size = rm_unpack32(&pBuf, &ulLen); + h->version = rm_unpack16(&pBuf, &ulLen); + h->num_physical_streams = rm_unpack16(&pBuf, &ulLen); + if (ulLen >= (UINT32) 6 * h->num_physical_streams + 2) { + rm_unpack_array(&pBuf, &ulLen, h->num_physical_streams, sizeof(UINT16), + (void**) &h->physical_stream_num, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + rm_unpack_array(&pBuf, &ulLen, h->num_physical_streams, sizeof(UINT32), + (void**) &h->data_offsets, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + h->num_rules = rm_unpack16(&pBuf, &ulLen); + if (ulLen >= (UINT32) h->num_rules * 2 + 2) { + rm_unpack_array(&pBuf, &ulLen, h->num_rules, sizeof(UINT16), + (void**) &h->rule_stream_map, pInt->pUserMem, + pInt->fpMalloc, pInt->fpFree); + h->num_props = rm_unpack16(&pBuf, &ulLen); + /* Clean up any existing name-value pairs */ + rm_parseri_cleanup_all_name_value_maps(pInt, h); + /* Allocate an array of name value pairs */ + ulSize = h->num_props * sizeof(struct rm_name_value_map); + if (ulSize) { + h->props = (struct rm_name_value_map*) rm_parseri_malloc(pInt, ulSize); + if (h->props) { + /* NULL out the memory */ + memset(h->props, 0, ulSize); + /* Clear the return value */ + retVal = HXR_OK; + /* Unpack each of the name-value pairs */ + for (i = 0; i < h->num_props && retVal == HXR_OK; i++) { + retVal = rm_parseri_unpack_name_value_map(pInt, &h->props[i], + &pBuf, &ulLen); + } + } + } else { + /* No properties - not an error */ + retVal = HXR_OK; + } + } + } + } + } + + return retVal; +} + +UINT32 rm_parseri_get_num_logical_streams(rm_parser_internal* pInt) +{ + UINT32 ulRet = 0; + + if (pInt && pInt->pMediaPropsHdr) { + UINT32 i = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + const char* pszMimeType = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if (rm_parseri_is_logical_stream_mime_type(pszMimeType)) { + ulRet++; + } + } + } + + return ulRet; +} + +HXBOOL rm_parseri_is_logical_fileinfo_present(rm_parser_internal* pInt, UINT32* pulIndx) +{ + HXBOOL bRet = FALSE; + + if (pInt && pInt->pMediaPropsHdr && pulIndx) { + UINT32 i = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + const char* pszMimeType = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if (rm_parseri_is_logical_fileinfo_mime_type(pszMimeType)) { + bRet = TRUE; + *pulIndx = i; + break; + } + } + } + + return bRet; +} + +void rm_parseri_cleanup_logical_fileinfo_hdr(rm_parser_internal* pInt) +{ + if (pInt && pInt->pLogicalFileInfo) { + /* Clean up the struct */ + rm_parseri_cleanup_logical_stream_hdr(pInt, pInt->pLogicalFileInfo); + /* Free the struct memory */ + rm_parseri_free(pInt, pInt->pLogicalFileInfo); + /* NULL out the pointer */ + pInt->pLogicalFileInfo = HXNULL; + } +} + +HX_RESULT rm_parseri_unpack_all_logical_stream_hdrs(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Declare some local variables we need later */ + UINT32 ulSize = 0; + UINT32 ulIndx = 0; + UINT32 i = 0; + /* Get the number of media props headers that are logical streams */ + UINT32 ulNumLogical = rm_parseri_get_num_logical_streams(pInt); + if (ulNumLogical) { + /* Free any existing logical stream array */ + rm_parseri_cleanup_all_logical_stream_hdrs(pInt); + /* Compute the size of the logical stream header array */ + ulSize = ulNumLogical * sizeof(struct rm_logical_stream_hdr); + /* Allocate the array of logical stream headers */ + pInt->pLogicalStreamHdr = + (struct rm_logical_stream_hdr*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pLogicalStreamHdr) { + /* Zero out the memory */ + memset(pInt->pLogicalStreamHdr, 0, ulSize); + /* Assign the number of logical stream headers */ + pInt->ulNumLogicalStreamHdrs = ulNumLogical; + /* Clear the return value */ + retVal = HXR_OK; + /* + * Loop through all the media properties headers, and + * if a header is a logical stream, then unpack it + */ + for (i = 0; i < pInt->ulNumMediaPropsHdrs && retVal == HXR_OK; i++) { + const char* pszMimeType = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if (rm_parseri_is_logical_stream_mime_type(pszMimeType)) { + /* + * Unpack the logical stream. We don't have + * to worry about ulIndx being less than + * ulNumLogicalStreamHdrs since we already + * guaranteed above that ulNumLogicalStreamHdrs + * was correct. + */ + retVal = rm_parseri_unpack_logical_stream_hdr(pInt, + &pInt->pMediaPropsHdr[i], + &pInt->pLogicalStreamHdr[ulIndx]); + if (retVal == HXR_OK) { + ulIndx++; + } else { + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, "Failed to parse logical stream header."); + } + } + } + } + } else { + /* No logical streams - single-rate file */ + retVal = HXR_OK; + } + if (retVal == HXR_OK) { + /* Clean up any existing logical-fileinfo header */ + rm_parseri_cleanup_logical_fileinfo_hdr(pInt); + /* Do we have a logical-fileinfo header? */ + if (rm_parseri_is_logical_fileinfo_present(pInt, &ulIndx)) { + /* Compute the size of the logical fileinfo */ + ulSize = sizeof(struct rm_logical_stream_hdr); + /* Allocate space for the struct */ + pInt->pLogicalFileInfo = + (struct rm_logical_stream_hdr*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pLogicalFileInfo) { + /* Zero out the memory */ + memset(pInt->pLogicalFileInfo, 0, ulSize); + /* Unpack the logical-fileinfo struct */ + retVal = rm_parseri_unpack_logical_stream_hdr(pInt, + &pInt->pMediaPropsHdr[ulIndx], + pInt->pLogicalFileInfo); + if (retVal != HXR_OK) { + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, "Failed to parse logical-fileinfo header."); + } + } else { + retVal = HXR_OUTOFMEMORY; + } + } + } + } + + return retVal; +} + +void rm_parseri_cleanup_logical_stream_hdr(rm_parser_internal* pInt, + struct rm_logical_stream_hdr* h) +{ + if (pInt && h) { + /* Delete the stream number array */ + if (h->physical_stream_num) { + rm_parseri_free(pInt, h->physical_stream_num); + h->physical_stream_num = HXNULL; + } + /* Delete the data offsets array */ + if (h->data_offsets) { + rm_parseri_free(pInt, h->data_offsets); + h->data_offsets = HXNULL; + } + /* Delete the rule-to-stream map */ + if (h->rule_stream_map) { + rm_parseri_free(pInt, h->rule_stream_map); + h->rule_stream_map = HXNULL; + } + /* Clean up the logical stream props */ + rm_parseri_cleanup_all_name_value_maps(pInt, h); + } +} + +void rm_parseri_cleanup_all_logical_stream_hdrs(rm_parser_internal* pInt) +{ + if (pInt && pInt->pLogicalStreamHdr) { + /* Clean up the individual logical stream headers */ + UINT32 i = 0; + for (i = 0; i < pInt->ulNumLogicalStreamHdrs; i++) { + rm_parseri_cleanup_logical_stream_hdr(pInt, &pInt->pLogicalStreamHdr[i]); + } + /* Free the memory of the array */ + rm_parseri_free(pInt, pInt->pLogicalStreamHdr); + /* NULL out the array pointer */ + pInt->pLogicalStreamHdr = HXNULL; + /* Zero out the array size and number of headers */ + pInt->ulNumLogicalStreamHdrs = 0; + } +} + +HX_RESULT rm_parseri_allocate_media_props_hdrs(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_OUTOFMEMORY; + + if (pInt) { + UINT32 ulSize = 0; + /* Clean up any existing media properties header array */ + rm_parseri_cleanup_all_media_props_hdrs(pInt); + /* + * Compute the number of stream properties headers + * we need to allocate. Normally this is propHdr.num_streams, + * but for file version > 0, it is possible to have file-info + * header for each stream but not all of them may be present. + */ + pInt->ulNumMediaPropsHdrsAlloc = pInt->propHdr.num_streams; + if (pInt->fileHdr.file_version != 0) { + if (pInt->ulNumMediaPropsHdrsAlloc > 2) { + pInt->ulNumMediaPropsHdrsAlloc = (pInt->ulNumMediaPropsHdrsAlloc - 1) * 2; + } + } + /* Calculate the size of the stream property header array */ + ulSize = pInt->ulNumMediaPropsHdrsAlloc * sizeof(struct rm_media_props_hdr); + /* Allocate the number of media properties headers */ + pInt->pMediaPropsHdr = + (struct rm_media_props_hdr*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pMediaPropsHdr) { + /* NULL out the memory */ + memset((void*) pInt->pMediaPropsHdr, 0, ulSize); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +void rm_parseri_cleanup_read_buffer(rm_parser_internal* pInt) +{ + if (pInt && pInt->pReadBuffer) { + rm_parseri_free(pInt, pInt->pReadBuffer); + pInt->pReadBuffer = HXNULL; + pInt->ulReadBufferSize = 0; + pInt->ulNumBytesRead = 0; + } +} + +UINT32 rm_parseri_get_media_props_hdr_stream_num(rm_parser_internal* pInt) +{ + UINT32 ulRet = 0; + + if (pInt && pInt->pReadBuffer && pInt->ulNumBytesRead >= 12) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + /* Skip directly to the stream_num */ + pBuf += 10; + ulLen -= 10; + /* Unpack the stream_num. */ + ulRet = (UINT32) rm_unpack16(&pBuf, &ulLen); + } + + return ulRet; +} + +HXBOOL rm_parseri_is_logical_stream_mime_type(const char* pszMimeType) +{ + HXBOOL bRet = FALSE; + + if (pszMimeType) { + if (!rm_parseri_is_logical_fileinfo_mime_type(pszMimeType)) { + if (!strncmp(pszMimeType, RM_PARSER_LOGICAL_PREFIX, + strlen(RM_PARSER_LOGICAL_PREFIX))) { + bRet = TRUE; + } + } + } + + return bRet; +} + +HXBOOL rm_parseri_is_logical_fileinfo_mime_type(const char* pszMimeType) +{ + HXBOOL bRet = FALSE; + + if (pszMimeType) { + if (!strcmp(pszMimeType, RM_PARSER_LOGICAL_FILEINFO)) { + bRet = TRUE; + } + } + + return bRet; +} + +HX_RESULT rm_parseri_read_next_header(rm_parser_internal* pInt, UINT32* pulID) +{ + HX_RESULT retVal = HXR_UNEXPECTED; + if (pInt && pulID) { + struct rm_generic_hdr genHdr; + UINT32 ulHeaderSize = 0; + UINT32 ulBytesToRead = 0; + UINT32 ulNumBytesRead = 0; + /* Set the return value */ + retVal = HXR_READ_ERROR; + /* Read a generic header into the read buffer */ + ulBytesToRead = RM_PARSER_GENERIC_HDR_SIZE; + ulNumBytesRead = rm_parseri_file_read(pInt, ulBytesToRead, 0); + /* Make sure we read enough */ + if (ulNumBytesRead == ulBytesToRead) { + /* Unpack a generic header */ + rm_parseri_unpack_generic_hdr(pInt, &genHdr); + /* + * Compute the size of the header. For + * most header types, this will be the size specified + * in the "size" field. However, for data chunk headers and + * index chunk headers, the "size" also includes the CONTENTS + * of the chunk (all the packets or all the index records). + * So for those chunks we must special case them. + */ + ulHeaderSize = genHdr.size; + if (genHdr.id == RM_DATA_OBJECT) { + ulHeaderSize = RM_PARSER_DATA_CHUNK_HEADER_SIZE; + } else if (genHdr.id == RM_INDEX_OBJECT) { + ulHeaderSize = RM_PARSER_INDEX_HEADER_SIZE; + } + /* Now compute how many bytes we still need to read */ + if (ulHeaderSize > RM_PARSER_GENERIC_HDR_SIZE) { + /* some incomplete downloaded file filled with 0xffffffff by downloader */ + if (ulHeaderSize != 0xffffffff) { + ulBytesToRead = ulHeaderSize - RM_PARSER_GENERIC_HDR_SIZE; + /* Read the rest of the chunk */ + ulNumBytesRead = rm_parseri_file_read(pInt, ulBytesToRead, RM_PARSER_GENERIC_HDR_SIZE); + if (ulNumBytesRead == ulBytesToRead) { + /* Assign the header id to the out parameter */ + *pulID = genHdr.id; + /* Clear the return value */ + retVal = HXR_OK; + } else { + /* Call back to error interface */ + rm_parseri_error(pInt, retVal, "Could not read chunk data."); + } + } else { + /* Call back to error interface */ + rm_parseri_error(pInt, retVal, "Could not read chunk data."); + } + } + } else { + /* Call back to error interface */ + rm_parseri_error(pInt, retVal, "Could not read chunk header."); + } + } + + return retVal; +} + +HX_RESULT rm_parseri_read_next_packet_header(rm_parser_internal* pInt, + struct rm_pkt_hdr* pPktHdr) +{ + HX_RESULT retVal = HXR_UNEXPECTED; + + if (pInt) { + UINT32 ulNumBytesRead = 0; + /* Change the error return */ + retVal = HXR_READ_ERROR; + /* Read the packet header into the read buffer */ + ulNumBytesRead = rm_parseri_file_read(pInt, RM_PARSER_PACKET_HEADER_SIZE, 0); + if (ulNumBytesRead == RM_PARSER_PACKET_HEADER_SIZE) { + /* Unpack the packet header */ + retVal = rm_parseri_unpack_pkt_hdr(pInt, pPktHdr); + } else { + /* Call back to error interface */ + rm_parseri_error(pInt, retVal, "Could not read packet header."); + } + } + + return retVal; +} + +HX_RESULT rm_parseri_setup_interleaved_streams(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_NOT_SUPPORTED; + + if (pInt && pInt->pMediaPropsHdr && pInt->ulNumMediaPropsHdrs) { + /* Declare some locals we'll need later */ + struct rm_media_props_hdr* pTmp = HXNULL; + UINT32 ulNumInterleaved = 0; + /* Allocate a temporary array of HXBOOLs */ + UINT32 ulSize = pInt->ulNumMediaPropsHdrs * sizeof(HXBOOL); + HXBOOL* pInterleaved = (HXBOOL*) rm_parseri_malloc(pInt, ulSize); + if (pInterleaved) { + /* Init them all the TRUE */ + UINT32 i = 0; + UINT32 j = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + pInterleaved[i] = TRUE; + } + /* + * Now run through the all the logical streams + * and remove the physical streams + */ + for (i = 0; i < pInt->ulNumLogicalStreamHdrs; i++) { + for (j = 0; j < (UINT32) pInt->pLogicalStreamHdr[i].num_physical_streams; j++) { + pInterleaved[pInt->pLogicalStreamHdr[i].physical_stream_num[j]] = FALSE; + } + } + /* + * Now remove the media props headers that + * are actually logical stream and logical fileinfo headers. + */ + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + const char* pszMimeType = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if (rm_parseri_is_logical_stream_mime_type(pszMimeType) || + rm_parseri_is_logical_fileinfo_mime_type(pszMimeType)) { + pInterleaved[i] = FALSE; + } + } + /* Now count the interleaved streams */ + ulNumInterleaved = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + if (pInterleaved[i]) { + ulNumInterleaved++; + } + } + /* Do we have any interleaved streams? */ + if (ulNumInterleaved) { + /* Allocate a new array of media props headers */ + retVal = HXR_OUTOFMEMORY; + ulSize = ulNumInterleaved * sizeof(struct rm_media_props_hdr); + pTmp = (struct rm_media_props_hdr*) rm_parseri_malloc(pInt, ulSize); + if (pTmp) { + /* Copy the media props headers which are interleaved */ + j = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + if (pInterleaved[i]) { + pInt->pMediaPropsHdr[i].start_offset = pInt->propHdr.data_offset; + pTmp[j++] = pInt->pMediaPropsHdr[i]; + } else { + rm_parseri_cleanup_media_props_hdr(pInt, &pInt->pMediaPropsHdr[i]); + } + } + /* Free the logical stream array. */ + rm_parseri_cleanup_all_logical_stream_hdrs(pInt); + /* Delete the memory associated with the old media props array */ + rm_parseri_free(pInt, pInt->pMediaPropsHdr); + /* Replace the old media props array with the new one */ + pInt->pMediaPropsHdr = pTmp; + /* Update the number of media props headers */ + pInt->ulNumMediaPropsHdrs = ulNumInterleaved; + pInt->ulNumMediaPropsHdrsAlloc = ulNumInterleaved; + /* Update the number of streams */ + pInt->ulNumStreams = ulNumInterleaved; + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + /* Free the temporary array */ + rm_parseri_free(pInt, pInterleaved); + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_logical_multirate_type_spec(rm_parser_internal* pInt, UINT32 index) +{ + HX_RESULT retVal = HXR_NOT_SUPPORTED; + UINT16 *pStreamNum; + unsigned char *pOffset; + UINT16 num_stream = 0; + int w = 0xFF; /* For run-time endianness detection */ + int i, j; + UINT16 stream_num; + UINT32 start_offset; + + if (pInt->pMediaPropsHdr[index].type_spec) { + memcpy(&num_stream, pInt->pMediaPropsHdr[index].type_spec + 6, sizeof(UINT16)); + num_stream = IS_BIG_ENDIAN(w) ? num_stream : BYTE_SWAP_UINT16(num_stream); + if (num_stream) { + pStreamNum = (UINT16*)(pInt->pMediaPropsHdr[index].type_spec + 8); + pOffset = (unsigned char*)(pInt->pMediaPropsHdr[index].type_spec + 8 + num_stream * sizeof(UINT16)); + for (i = 0; i < num_stream; i++) { + memcpy(&stream_num, pStreamNum, sizeof(UINT16)); + stream_num = IS_BIG_ENDIAN(w) ? stream_num : BYTE_SWAP_UINT16(stream_num); + for (j = 0; j < pInt->ulNumMediaPropsHdrs; j++) { + if (pInt->pMediaPropsHdr[j].stream_num == stream_num) { + memcpy((char*)&start_offset, (char*)pOffset, sizeof(UINT32)); + pInt->pMediaPropsHdr[j].start_offset = IS_BIG_ENDIAN(w) ? start_offset : BYTE_SWAP_UINT32(start_offset); + break; + } + } + pStreamNum++; + pOffset += 4; + } + retVal = HXR_OK; + } + } + return retVal; +} + +HX_RESULT rm_parseri_setup_multirate_streams(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_NOT_SUPPORTED; + + if (pInt && pInt->pMediaPropsHdr && pInt->ulNumMediaPropsHdrs) { + /* Declare some locals we'll need later */ + struct rm_media_props_hdr* pTmp = HXNULL; + UINT32 ulNumInterleaved = 0; + /* Allocate a temporary array of HXBOOLs */ + UINT32 ulSize = pInt->ulNumMediaPropsHdrs * sizeof(HXBOOL); + HXBOOL* pInterleaved = (HXBOOL*) rm_parseri_malloc(pInt, ulSize); + if (pInterleaved) { + UINT32 i = 0; + UINT32 j = 0; + /* + * Now get info from logical headers. + */ + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + const char* pszMimeType = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if ((!strcmp(pszMimeType, RM_PARSER_LOGICAL_MULTIRATE_VIDEO)) || + (!strcmp(pszMimeType, RM_PARSER_LOGICAL_MULTIRATE_AUDIO))) { + rm_parseri_unpack_logical_multirate_type_spec(pInt, i); + } + } + /* + * Now remove the media props headers that + * are actually logical stream and logical fileinfo headers. + */ + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + const char* pszMimeType = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if (rm_stream_is_realaudio_mimetype(pszMimeType) || + rm_stream_is_realvideo_mimetype(pszMimeType)) { + pInterleaved[i] = TRUE; + ulNumInterleaved++; + } else { + pInterleaved[i] = FALSE; + } + } + + /* Do we have any streams? */ + if (ulNumInterleaved > 0) { + /* Allocate a new array of media props headers */ + retVal = HXR_OUTOFMEMORY; + ulSize = ulNumInterleaved * sizeof(struct rm_media_props_hdr); + pTmp = (struct rm_media_props_hdr*) rm_parseri_malloc(pInt, ulSize); + if (pTmp) { + /* Copy the media props headers which are interleaved */ + j = 0; + for (i = 0; i < pInt->ulNumMediaPropsHdrs; i++) { + if (pInterleaved[i]) { + pTmp[j++] = pInt->pMediaPropsHdr[i]; + } else { + rm_parseri_cleanup_media_props_hdr(pInt, &pInt->pMediaPropsHdr[i]); + } + } + /* Free the logical stream array. */ + rm_parseri_cleanup_all_logical_stream_hdrs(pInt); + /* Delete the memory associated with the old media props array */ + rm_parseri_free(pInt, pInt->pMediaPropsHdr); + /* Replace the old media props array with the new one */ + pInt->pMediaPropsHdr = pTmp; + /* Update the number of media props headers */ + pInt->ulNumMediaPropsHdrs = ulNumInterleaved; + pInt->ulNumMediaPropsHdrsAlloc = ulNumInterleaved; + /* Update the number of streams */ + pInt->ulNumStreams = ulNumInterleaved; + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + /* Free the temporary array */ + rm_parseri_free(pInt, pInterleaved); + } + + return retVal; +} + +HX_RESULT rm_parseri_read_all_headers(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Declare the chunk id local variable */ + UINT32 ulID = 0; + /* Seek back to the beginning of the file */ + rm_parseri_file_seek(pInt, 0, HX_SEEK_ORIGIN_SET); + /* Read the first header */ + retVal = rm_parseri_read_next_header(pInt, &ulID); + if (retVal == HXR_OK) { + /* + * If we don't encounter a RM_HEADER_OBJECT at the + * beginning of the file, then that's a problem. + */ + if (ulID == RM_HEADER_OBJECT) { + /* Unpack the .rm file header */ + retVal = rm_parseri_unpack_file_hdr(pInt); + if (retVal == HXR_OK) { + /* + * Check the version of this file header struct + * as well as the file_version to make sure we + * support this version of the .rm file. + */ + if ((pInt->fileHdr.version == 0 || pInt->fileHdr.version == 1) && + (pInt->fileHdr.file_version == 0 || pInt->fileHdr.file_version == 1)) { + /* + * Now loop and unpack until we have either unpacked + * the number of headers specified in the file header + * or we reach the first data chunk. + */ + HXBOOL bDone = FALSE; + UINT32 i = 0; + for (i = 0; i < pInt->fileHdr.num_headers && !bDone && retVal == HXR_OK; i++) { + /* Read the next header into the read buffer */ + retVal = rm_parseri_read_next_header(pInt, &ulID); + if (retVal == HXR_OK) { + /* Switch based on chunk 4cc */ + switch (ulID) { + case RM_PROPERTIES_OBJECT: { + /* Unpack the clip properties header */ + retVal = rm_parseri_unpack_properties_hdr(pInt); + if (retVal == HXR_OK) { + /* Allocate the media props array */ + retVal = rm_parseri_allocate_media_props_hdrs(pInt); + if (retVal == HXR_OK) { + /* Init the number of media props headers we've seen */ + pInt->ulNumMediaPropsHdrs = 0; + } + } + } + break; + case RM_MEDIA_PROPERTIES_OBJECT: { + /* + * Media properties headers aren't necessarily + * ordered in the file by stream_num. However, we would like + * be able to index them by stream_num. Therefore, we will + * first parse out the stream_num member and then place + * it in the array at that index. + */ + UINT32 ulStreamNum = rm_parseri_get_media_props_hdr_stream_num(pInt); + if (ulStreamNum < pInt->ulNumMediaPropsHdrsAlloc) { + /* Unpack the media properties header */ + retVal = rm_parseri_unpack_media_props_hdr(pInt, &pInt->pMediaPropsHdr[ulStreamNum]); + /* Increment the number of properties we've read */ + if (retVal == HXR_OK) { + /* Increment the number of media props headers we've seen */ + pInt->ulNumMediaPropsHdrs++; + } else { + /* Parsing of media props header failed. */ + retVal = HXR_CORRUPT_FILE; + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, "Failed to parse media props header - possibly a corrupt file."); + } + } else { + /* Illegal stream number */ + retVal = HXR_CORRUPT_FILE; + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, "Illegal stream number - possibly a corrupt file."); + } + } + break; + case RM_CONTENT_OBJECT: { + retVal = rm_parseri_unpack_content_hdr(pInt); + if (retVal != HXR_OK) { + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, + "Failed to parse content header - possibly a corrupt file."); + } + } + break; + case RM_DATA_OBJECT: { + bDone = TRUE; + } + break; + } + } + } + if (retVal == HXR_OK) { + /* Parse all the logical stream headers */ + retVal = rm_parseri_unpack_all_logical_stream_hdrs(pInt); + if (retVal == HXR_OK) { + /* + * Currently we only support single-rate files and + * SureStream files who have a backward-compatible + * single-rate section. So know we must determine + * if we can play this file. + */ + retVal = rm_parseri_setup_interleaved_streams(pInt); + if (retVal == HXR_OK) { + pInt->ulInterleavedStreamsFlag = 1; + /* Create some structures to hold stream info */ + retVal = rm_parseri_create_stream_structures(pInt); + if (retVal == HXR_OK) { + /* + * We will examine the first few packets + * of each stream to determine if there is + * a packet time offset. + */ + pInt->pDataHdr = rm_parseri_malloc(pInt, sizeof(struct rm_data_hdr)); + if (pInt->pDataHdr) { + retVal = rm_parseri_examine_initial_packets(pInt, 0); + if (retVal == HXR_OK) { + /* Create the stream headers */ + retVal = rm_parseri_create_all_stream_headers(pInt); + } + } else { + retVal = HXR_OUTOFMEMORY; + } + } + } else { + pInt->ulInterleavedStreamsFlag = 0; + retVal = rm_parseri_setup_multirate_streams(pInt); + if (retVal == HXR_OK) { + /* Create some structures to hold stream info */ + retVal = rm_parseri_create_stream_structures(pInt); + if (retVal == HXR_OK) { + /* + * We will examine the first few packets + * of each stream to determine if there is + * a packet time offset. + */ + pInt->pDataHdr = rm_parseri_malloc(pInt, pInt->ulNumStreams * sizeof(struct rm_data_hdr)); + if (pInt->pDataHdr) { + UINT32 j = 0; + for (j = 0; j < pInt->ulNumStreams; j++) { + retVal = rm_parseri_examine_initial_packets(pInt, j); + if (retVal != HXR_OK) { + break; + } + } + if (retVal == HXR_OK) { + /* Create the stream headers */ + retVal = rm_parseri_create_all_stream_headers(pInt); + } + } else { + retVal = HXR_OUTOFMEMORY; + } + } else { + /* + * This is a surestream file which has not backwards-compatible + * streams, which we do not support. + */ + retVal = HXR_NOT_SUPPORTED; + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, + "Unsupported file (SureStream file with no " + "compatible streams)"); + } + } else { + retVal = HXR_NOT_SUPPORTED; + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, + "Unsupported file (SureStream file with no " + "compatible streams)"); + } + } + } + } + } else { + /* + * This is a later version than we support */ + retVal = HXR_NOT_SUPPORTED; + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, "Unsupported file header version."); + } + } + } else { + /* + * The first four bytes of the file were + * not what we expected. This is likely not + * an .rm file. + * XXXMEH: is there a better error code for this? + */ + retVal = HXR_NOT_SUPPORTED; + /* Call back to the error interface */ + rm_parseri_error(pInt, retVal, + "First four bytes are are not \".RMF\" - this is not an .rm file"); + } + } + } + + return retVal; +} + +UINT32 rm_parseri_get_num_file_properties(rm_parser_internal* pInt) +{ + UINT32 ulRet = 0; + + if (pInt) { + /* + * We always put the "StreamCount" and "Flags" properties. + */ + ulRet += 2; + /* If we have a real datatype, then we will add "IsRealDataType" */ + if (rm_parseri_has_real_data_type(pInt)) { + ulRet++; + } + /* + * If we have a logical-fileinfo header, we will put in + * all the properties in it. + */ + if (pInt->pLogicalFileInfo) { + ulRet += pInt->pLogicalFileInfo->num_props; + } + /* Add "Title", "Author", "Copyright" if present */ + if (pInt->contHdr.title) { + ulRet++; + } + if (pInt->contHdr.author) { + ulRet++; + } + if (pInt->contHdr.copyright) { + ulRet++; + } + } + + return ulRet; +} + +HX_RESULT rm_parseri_get_file_properties(rm_parser_internal* pInt, + rm_property* pProp, UINT32 ulNumProp) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pProp && ulNumProp) { + /* Init the counter */ + UINT32 ulIndex = 0; + /* "StreamCount" property */ + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], "StreamCount", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->ulNumStreams, 0); + + if (retVal == HXR_OK) { + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], "Flags", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->propHdr.flags, 0); + } + if (retVal == HXR_OK && + rm_parseri_has_real_data_type(pInt)) { + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], "IsRealDataType", + RM_PROPERTY_TYPE_UINT32, + (void*) 1, 0); + } + if (retVal == HXR_OK && pInt->contHdr.title) { + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], "Title", + RM_PROPERTY_TYPE_BUFFER, + (void*) pInt->contHdr.title, + strlen(pInt->contHdr.title) + 1); + } + if (retVal == HXR_OK && pInt->contHdr.author) { + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], "Author", + RM_PROPERTY_TYPE_BUFFER, + (void*) pInt->contHdr.author, + strlen(pInt->contHdr.author) + 1); + } + if (retVal == HXR_OK && pInt->contHdr.copyright) { + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], "Copyright", + RM_PROPERTY_TYPE_BUFFER, + (void*) pInt->contHdr.copyright, + strlen(pInt->contHdr.copyright) + 1); + } + if (pInt->pLogicalFileInfo) { + UINT32 i = 0; + for (i = 0; i < (UINT32) pInt->pLogicalFileInfo->num_props && retVal == HXR_OK; i++) { + struct rm_name_value_map* pMap = &pInt->pLogicalFileInfo->props[i]; + UINT32 ulLength = pMap->value_sz; + if (pMap->type != RM_PROPERTY_TYPE_BUFFER) { + ulLength = 0; + } + retVal = rm_parseri_set_rm_property(pInt, &pProp[ulIndex++], + (const char*) pMap->name, + pMap->type, pMap->value, ulLength); + } + } + } + + return retVal; +} + +HXBOOL rm_parseri_has_real_data_type(rm_parser_internal* pInt) +{ + HXBOOL bRet = FALSE; + + if (pInt) { + bRet = pInt->bIsRealDataType; + } + + return bRet; +} + +HX_RESULT rm_parseri_set_rm_property(rm_parser_internal* pInt, rm_property* pProp, + const char* pszName, UINT32 ulType, + void* pValue, UINT32 ulValueLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pProp && pszName) { + /* Cleanup the existing property */ + rm_parseri_cleanup_rm_property(pInt, pProp); + /* Allocate space for the name */ + pProp->pName = (char*) rm_parseri_malloc(pInt, strlen(pszName) + 1); + if (pProp->pName) { + /* Copy the string */ + strcpy(pProp->pName, pszName); + /* Copy the type */ + pProp->ulType = ulType; + /* What type is this property? */ + switch (ulType) { + case RM_PROPERTY_TYPE_UINT32: { + pProp->pValue = pValue; + pProp->ulValueLen = 0; + retVal = HXR_OK; + } + break; + case RM_PROPERTY_TYPE_BUFFER: { + pProp->pValue = (BYTE*) rm_parseri_malloc(pInt, ulValueLen); + if (pProp->pValue) { + /* Copy the string */ + memcpy(pProp->pValue, pValue, ulValueLen); + /* Assign the length */ + pProp->ulValueLen = ulValueLen; + /* Clear the return value */ + retVal = HXR_OK; + } + } + break; + case RM_PROPERTY_TYPE_CSTRING: { + const char* pszValue = (const char*) pValue; + UINT32 ulLen = (UINT32) strlen(pszValue) + 1; + pProp->pValue = (BYTE*) rm_parseri_malloc(pInt, ulLen); + if (pProp->pValue) { + /* Copy the string */ + strcpy((char*) pProp->pValue, pszValue); + /* Assign the length */ + pProp->ulValueLen = ulLen; + /* Clear the return value */ + retVal = HXR_OK; + } + } + break; + } + } + } + + return retVal; +} + +void rm_parseri_cleanup_rm_property(rm_parser_internal* pInt, rm_property* pProp) +{ + if (pInt && pProp) { + /* Free the name string */ + if (pProp->pName) { + rm_parseri_free(pInt, pProp->pName); + pProp->pName = HXNULL; + } + /* + * If this is a RM_PROPERTY_TYPE_BUFFER or RM_PROPERTY_TYPE_CSTRING + * property, then the pValue is an allocated buffer. If this + * is an RM_PROPERTY_TYPE_UINT32 property, then pValue doesn't + * have any buffer associated with it. + */ + if (pProp->pValue && pProp->ulType != RM_PROPERTY_TYPE_UINT32) { + rm_parseri_free(pInt, pProp->pValue); + pProp->pValue = HXNULL; + } + } +} + +void rm_parseri_cleanup_stream_num_map(rm_parser_internal* pInt) +{ + if (pInt && pInt->pulStreamNumMap) { + rm_parseri_free(pInt, pInt->pulStreamNumMap); + pInt->pulStreamNumMap = HXNULL; + pInt->ulStreamNumMapSize = 0; + } +} + +void rm_parseri_cleanup_stream_info(rm_parser_internal* pInt, struct rm_stream_info* pInfo) +{ + if (pInt) { + /* Free the index entry array */ + if (pInfo->seekTable.pEntry) { + rm_parseri_free(pInt, pInfo->seekTable.pEntry); + pInfo->seekTable.pEntry = HXNULL; + } + } +} + +void rm_parseri_cleanup_stream_info_array(rm_parser_internal* pInt) +{ + if (pInt && pInt->pStreamInfo) { + /* Clean up each individual stream info */ + UINT32 i = 0; + for (i = 0; i < pInt->ulNumStreams; i++) { + rm_parseri_cleanup_stream_info(pInt, &pInt->pStreamInfo[i]); + } + /* Clean up the array */ + rm_parseri_free(pInt, pInt->pStreamInfo); + pInt->pStreamInfo = HXNULL; + } +} + +HX_RESULT rm_parseri_create_stream_structures(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->ulNumStreams) { + /* + * Compute the max stream number and the + * max duration across all streams. + */ + UINT32 i = 0; + UINT32 ulSize = 0; + UINT32 ulMaxStreamNum = pInt->pMediaPropsHdr[0].stream_num; + UINT32 ulMaxDuration = pInt->pMediaPropsHdr[0].duration; + UINT32 ulIndexMaxEntries = RM_INDEX_MAX_ENTRIES; + UINT32 ulIndexTimeGranularity = ulMaxDuration / ulIndexMaxEntries; + for (i = 1; i < pInt->ulNumStreams; i++) { + if (pInt->pMediaPropsHdr[i].stream_num > ulMaxStreamNum) { + ulMaxStreamNum = pInt->pMediaPropsHdr[i].stream_num; + } + if (pInt->pMediaPropsHdr[i].duration > ulMaxDuration) { + ulMaxDuration = pInt->pMediaPropsHdr[i].duration; + } + } + /* Assign the max duration */ + pInt->ulMaxDuration = ulMaxDuration; + /* Free any existing stream number map */ + rm_parseri_cleanup_stream_num_map(pInt); + /* Allocate the stream number map */ + pInt->ulStreamNumMapSize = ulMaxStreamNum + 1; + ulSize = pInt->ulStreamNumMapSize * sizeof(UINT32); + pInt->pulStreamNumMap = (UINT32*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pulStreamNumMap) { + /* Initialize all the stream numbers in the map */ + for (i = 0; i < pInt->ulStreamNumMapSize; i++) { + pInt->pulStreamNumMap[i] = RM_NO_STREAM_SET; + } + /* + * The stream number maps maps stream number to + * the index in the pMediaPropsHdr array. + */ + for (i = 0; i < pInt->ulNumStreams; i++) { + pInt->pulStreamNumMap[pInt->pMediaPropsHdr[i].stream_num] = i; + } + /* Clean up any existing stream info array */ + rm_parseri_cleanup_stream_info_array(pInt); + /* Allocate a stream info array */ + ulSize = pInt->ulNumStreams * sizeof(struct rm_stream_info); + pInt->pStreamInfo = (struct rm_stream_info*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pStreamInfo) { + /* Zero out the array */ + memset(pInt->pStreamInfo, 0, ulSize); + /* Clear the return value */ + retVal = HXR_OK; + /* Compute the index table parameters */ + if (ulIndexTimeGranularity > RM_INDEX_MAX_TIME_GRANULARITY) { + ulIndexTimeGranularity = RM_INDEX_MAX_TIME_GRANULARITY; + ulIndexMaxEntries = ulMaxDuration / ulIndexTimeGranularity; + if (ulIndexMaxEntries > RM_INDEX_MAX_ENTRIES) { + ulIndexMaxEntries = RM_INDEX_MAX_ENTRIES; + } + } else if (ulIndexTimeGranularity < RM_INDEX_MIN_TIME_GRANULARITY) { + ulIndexTimeGranularity = RM_INDEX_MIN_TIME_GRANULARITY; + ulIndexMaxEntries = ulMaxDuration / ulIndexTimeGranularity; + if (ulIndexMaxEntries < RM_INDEX_MIN_ENTRIES) { + ulIndexMaxEntries = RM_INDEX_MIN_ENTRIES; + } + } + ulSize = ulIndexMaxEntries * sizeof(struct rm_seek_table_entry); + /* Initialize the stream info */ + for (i = 0; i < pInt->ulNumStreams && retVal == HXR_OK; i++) { + /* Initialize the type flag */ + if (pInt->pMediaPropsHdr[i].mime_type) { + const char* pszStr = (const char*) pInt->pMediaPropsHdr[i].mime_type; + if (rm_stream_is_realaudio_mimetype(pszStr)) { + pInt->pStreamInfo[i].bIsRealAudio = TRUE; + pInt->bIsRealDataType = TRUE; + } else if (rm_stream_is_realvideo_mimetype(pszStr)) { + pInt->pStreamInfo[i].bIsRealVideo = TRUE; + pInt->bIsRealDataType = TRUE; + } else if (rm_stream_is_realevent_mimetype(pszStr)) { + pInt->pStreamInfo[i].bIsRealEvent = TRUE; + pInt->bIsRealDataType = TRUE; + } + } + /* Initialize the index table */ + pInt->pStreamInfo[i].seekTable.pEntry = + (struct rm_seek_table_entry*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pStreamInfo[i].seekTable.pEntry) { + /* Zero out the memory */ + memset(pInt->pStreamInfo[i].seekTable.pEntry, 0, ulSize); + /* Init the parameters */ + pInt->pStreamInfo[i].seekTable.ulMaxEntries = ulIndexMaxEntries; + pInt->pStreamInfo[i].seekTable.ulTimeGranularity = ulIndexTimeGranularity; + pInt->pStreamInfo[i].seekTable.ulNumEntries = 0; + pInt->pStreamInfo[i].seekTable.ulLastTime = 0; + pInt->pStreamInfo[i].seekTable.ulRangeTime = 0; + } else { + retVal = HXR_OUTOFMEMORY; + } + } + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_examine_initial_packets(rm_parser_internal* pInt, UINT32 ulStreamNum) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + struct rm_pkt_hdr hdr; + UINT32 ulID = 0; + UINT32 i = 0; + UINT32 j = 0; + /* Seek to the data offset mentioned in the properties header */ + rm_parseri_file_seek(pInt, pInt->pMediaPropsHdr[ulStreamNum].start_offset, HX_SEEK_ORIGIN_SET); + /* + * Read the next header into the read buffer, + * which should be a data chunk + */ + retVal = rm_parseri_read_next_header(pInt, &ulID); + if (retVal == HXR_OK) { + /* Make sure it's a data chunk */ + if (ulID == RM_DATA_OBJECT) { + /* Parse the data chunk header */ + retVal = rm_parseri_unpack_data_hdr(pInt, ulStreamNum); + if (retVal == HXR_OK) { + /* Initialize the minimum first packet timestamp */ + pInt->ulMinFirstPacketTime = 0xFFFFFFFF; + /* + * Now we will look at the first few packet headers + * until either we have seen at least one packet + * of each stream or we have verified that the + * minimum timestamp across all streams is 0. + * We will loop as though we will look at all + * packets, but we will break out long before that. + */ + for (i = 0; i < pInt->pDataHdr[ulStreamNum].num_pkts && retVal == HXR_OK; i++) { + retVal = rm_parseri_read_next_packet_header(pInt, &hdr); + if (retVal == HXR_OK) { + /* Translate the stream number */ + UINT32 ulStreamNum = rm_parseri_translate_stream_number(pInt, hdr.stream_num); + if (ulStreamNum != RM_NO_STREAM_SET) { + /* Save the first timestamp of each stream */ + if (!pInt->pStreamInfo[ulStreamNum].bSeenFirstPacketTimeStamp) { + pInt->pStreamInfo[ulStreamNum].ulLastTimeStamp = hdr.timestamp; + pInt->pStreamInfo[ulStreamNum].bSeenFirstPacketTimeStamp = TRUE; + /* Update the min first timestamp */ + if (hdr.timestamp < pInt->ulMinFirstPacketTime) { + pInt->ulMinFirstPacketTime = hdr.timestamp; + } + } + /* Check if we've seen the first timestamp of all streams */ + for (j = 0; j < pInt->ulNumStreams; j++) { + if (!pInt->pStreamInfo[ulStreamNum].bSeenFirstPacketTimeStamp) { + break; + } + } + /* + * Stop if we've seen a packet from each stream + * or if we've already seen a timestamp of 0. + */ + if (j == pInt->ulNumStreams || pInt->ulMinFirstPacketTime == 0) { + /* Re-init the last timestamp for each stream */ + for (j = 0; j < pInt->ulNumStreams; j++) { + pInt->pStreamInfo[j].ulLastTimeStamp = 0xFFFFFFFF; + pInt->pStreamInfo[j].ulLastRule = 0; + } + /* Seek back to right after the data chunk header */ + rm_parseri_file_seek(pInt, + pInt->pMediaPropsHdr[ulStreamNum].start_offset + + RM_PARSER_DATA_CHUNK_HEADER_SIZE, + HX_SEEK_ORIGIN_SET); + /* Break out of the packet loop */ + break; + } else { + /* + * We need to keep reading packets, so + * seek past the data of this packet. + */ + rm_parseri_file_seek(pInt, + hdr.length - hdr.header_len, + HX_SEEK_ORIGIN_CUR); + } + } else { + retVal = HXR_INVALID_FILE; + } + } + } + } + } else { + retVal = HXR_INVALID_FILE; + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_data_hdr(rm_parser_internal* pInt, UINT32 DataNum) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= RM_PARSER_DATA_CHUNK_HEADER_SIZE) { + /* Unpack the rm_data_hdr */ + pInt->pDataHdr[DataNum].id = rm_unpack32(&pBuf, &ulLen); + pInt->pDataHdr[DataNum].size = rm_unpack32(&pBuf, &ulLen); + pInt->pDataHdr[DataNum].version = rm_unpack16(&pBuf, &ulLen); + pInt->pDataHdr[DataNum].num_pkts = rm_unpack32(&pBuf, &ulLen); + pInt->pDataHdr[DataNum].next_data_hdr = rm_unpack32(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_pkt_hdr(rm_parser_internal* pInt, + struct rm_pkt_hdr* pPktHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= RM_PARSER_PACKET_HEADER_SIZE) { + /* Unpack the rm_pkt_hdr */ + pPktHdr->version = rm_unpack16(&pBuf, &ulLen); + pPktHdr->length = rm_unpack16(&pBuf, &ulLen); + pPktHdr->stream_num = rm_unpack16(&pBuf, &ulLen); + pPktHdr->timestamp = rm_unpack32(&pBuf, &ulLen); + pPktHdr->flags = rm_unpack16(&pBuf, &ulLen); + if (pPktHdr->version == 1) { + rm_parseri_file_read(pInt, 1, 0); + pPktHdr->header_len = 13; + if (pPktHdr->flags == 0) { + pPktHdr->flags = 2; + } + } else { + pPktHdr->header_len = 12; + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_index_hdr(rm_parser_internal* pInt, + struct rm_index_hdr* hdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && hdr) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= RM_PARSER_INDEX_HEADER_SIZE) { + /* Unpack the rm_index_hdr */ + hdr->id = rm_unpack32(&pBuf, &ulLen); + hdr->size = rm_unpack32(&pBuf, &ulLen); + hdr->version = rm_unpack16(&pBuf, &ulLen); + hdr->num_recs = rm_unpack32(&pBuf, &ulLen); + hdr->stream_num = rm_unpack16(&pBuf, &ulLen); + hdr->next_index_hdr = rm_unpack32(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_unpack_index_rec(rm_parser_internal* pInt, + struct rm_index_rec* rec) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && rec) { + /* Assign temporary variables */ + BYTE* pBuf = pInt->pReadBuffer; + UINT32 ulLen = pInt->ulNumBytesRead; + if (ulLen >= RM_PARSER_INDEX_RECORD_SIZE) { + /* Unpack the rm_index_rec */ + rec->version = rm_unpack16(&pBuf, &ulLen); + rec->timestamp = rm_unpack32(&pBuf, &ulLen); + rec->offset = rm_unpack32(&pBuf, &ulLen); + rec->num_pkts = rm_unpack32(&pBuf, &ulLen); + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_read_next_index_rec(rm_parser_internal* pInt, + struct rm_index_rec* rec) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && rec) { + UINT32 ulNumBytesRead = 0; + /* Change the error return */ + retVal = HXR_READ_ERROR; + /* Read the packet header into the read buffer */ + ulNumBytesRead = rm_parseri_file_read(pInt, RM_PARSER_INDEX_RECORD_SIZE, 0); + if (ulNumBytesRead == RM_PARSER_INDEX_RECORD_SIZE) { + /* Unpack the packet header */ + retVal = rm_parseri_unpack_index_rec(pInt, rec); + } + } + + return retVal; +} + +UINT32 rm_parseri_translate_stream_number(rm_parser_internal* pInt, UINT32 ulNum) +{ + UINT32 ulRet = RM_NO_STREAM_SET; + + if (pInt && pInt->pulStreamNumMap && ulNum < pInt->ulStreamNumMapSize) { + ulRet = pInt->pulStreamNumMap[ulNum]; + } + + return ulRet; +} + +UINT32 rm_parseri_get_stream_number(rm_parser_internal* pInt, UINT32 ulNum) +{ + UINT32 ulRet = 0; + + if (pInt && pInt->pulStreamNumMap) { + for (ulRet = 0; ulRet < pInt->ulStreamNumMapSize; ulRet++) { + if (pInt->pulStreamNumMap[ulRet] == ulNum) { + return ulRet; + } + } + } + ulRet = RM_NO_STREAM_SET; + return ulRet; +} + +HX_RESULT rm_parseri_create_all_stream_headers(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->ulNumStreams) { + UINT32 i = 0; + UINT32 ulSize = 0; + /* Clean up any existing stream headers */ + rm_parseri_cleanup_all_stream_headers(pInt); + /* Allocate memory for the stream header array */ + ulSize = pInt->ulNumStreams * sizeof(rm_stream_header); + pInt->pStreamHdr = (rm_stream_header*) rm_parseri_malloc(pInt, ulSize); + if (pInt->pStreamHdr) { + /* NULL out the memory */ + memset(pInt->pStreamHdr, 0, ulSize); + /* Clear the return value */ + retVal = HXR_OK; + /* Create all stream headers */ + for (i = 0; i < pInt->ulNumStreams && retVal == HXR_OK; i++) { + retVal = rm_parseri_create_stream_header(pInt, i, &pInt->pStreamHdr[i]); + } + } + } + return retVal; +} + +HX_RESULT rm_parseri_create_stream_header(rm_parser_internal* pInt, UINT32 i, rm_stream_header* hdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pMediaPropsHdr && i < pInt->ulNumStreams && hdr) { + UINT32 ulNumProps = 0; + UINT32 ulSize = 0; + /* + * Count the number of properties. Passing in + * HXNULL and 0 means just count and don't set + * the properties + */ + ulNumProps = rm_parseri_count_set_stream_header_props(pInt, i, hdr, + HXNULL, 0); + if (ulNumProps) { + /* Compute the size of the array */ + ulSize = ulNumProps * sizeof(rm_property); + /* Allocate the array */ + hdr->pProperty = (rm_property*) rm_parseri_malloc(pInt, ulSize); + if (hdr->pProperty) { + /* NULL out the array */ + memset(hdr->pProperty, 0, ulSize); + /* Set the number of properties */ + hdr->ulNumProperties = ulNumProps; + /* Call again, but this time pass in array */ + rm_parseri_count_set_stream_header_props(pInt, i, hdr, + hdr->pProperty, + hdr->ulNumProperties); + /* + * Now set the properties for which we + * have dedicated convenience members. These + * are also duplicated in the rm_property array. + */ + hdr->ulStreamNumber = i; + hdr->ulMaxBitRate = pInt->pMediaPropsHdr[i].max_bit_rate; + hdr->ulAvgBitRate = pInt->pMediaPropsHdr[i].avg_bit_rate; + hdr->ulMaxPacketSize = pInt->pMediaPropsHdr[i].max_pkt_size; + hdr->ulAvgPacketSize = pInt->pMediaPropsHdr[i].avg_pkt_size; + hdr->ulDuration = pInt->pMediaPropsHdr[i].duration; + hdr->ulPreroll = pInt->pMediaPropsHdr[i].preroll; + hdr->ulStartTime = pInt->pMediaPropsHdr[i].start_time; + hdr->ulStartOffset = pInt->pMediaPropsHdr[i].start_offset; + if (pInt->ulInterleavedStreamsFlag) { + hdr->ulStreamSize = pInt->pDataHdr->size; + } else { + hdr->ulStreamSize = pInt->pDataHdr[i].size; + } + hdr->pMimeType = copy_string(pInt->pUserMem, pInt->fpMalloc, + (const char*) pInt->pMediaPropsHdr[i].mime_type); + hdr->pStreamName = copy_string(pInt->pUserMem, pInt->fpMalloc, + (const char*) pInt->pMediaPropsHdr[i].stream_name); + hdr->pOpaqueData = copy_buffer(pInt->pUserMem, pInt->fpMalloc, + pInt->pMediaPropsHdr[i].type_spec, + pInt->pMediaPropsHdr[i].type_spec_sz); + hdr->ulOpaqueDataLen = pInt->pMediaPropsHdr[i].type_spec_sz; + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + return retVal; +} + +void rm_parseri_cleanup_all_stream_headers(rm_parser_internal* pInt) +{ + if (pInt && pInt->pStreamHdr) { + /* Free the memory associated with each stream header */ + UINT32 i = 0; + for (i = 0; i < pInt->ulNumStreams; i++) { + rm_parseri_cleanup_stream_header(pInt, &pInt->pStreamHdr[i]); + } + /* Free the memory for the array */ + rm_parseri_free(pInt, pInt->pStreamHdr); + /* NULL out the pointer */ + pInt->pStreamHdr = HXNULL; + } +} + +void rm_parseri_cleanup_stream_header(rm_parser_internal* pInt, rm_stream_header* hdr) +{ + if (pInt && hdr) { + /* Free the mime type string */ + if (hdr->pMimeType) { + rm_parseri_free(pInt, hdr->pMimeType); + hdr->pMimeType = HXNULL; + } + /* Free the stream name string */ + if (hdr->pStreamName) { + rm_parseri_free(pInt, hdr->pStreamName); + hdr->pStreamName = HXNULL; + } + /* Free the opaque data buffer */ + if (hdr->pOpaqueData) { + rm_parseri_free(pInt, hdr->pOpaqueData); + hdr->pOpaqueData = HXNULL; + hdr->ulOpaqueDataLen = 0; + } + /* Do we have any properties? */ + if (hdr->pProperty) { + /* Clean up each individual rm_property */ + UINT32 i = 0; + for (i = 0; i < hdr->ulNumProperties; i++) { + rm_parseri_cleanup_rm_property(pInt, &hdr->pProperty[i]); + } + /* Free the memory for the property array */ + rm_parseri_free(pInt, hdr->pProperty); + /* Null out the pointer */ + hdr->pProperty = HXNULL; + hdr->ulNumProperties = 0; + } + } +} + +void rm_parseri_cleanup_all_data_headers(rm_parser_internal* pInt) +{ + if (pInt && pInt->pDataHdr) { + rm_parseri_free(pInt, pInt->pDataHdr); + pInt->pDataHdr = HXNULL; + } +} + +UINT32 rm_parseri_count_set_stream_header_props(rm_parser_internal* pInt, UINT32 i, + rm_stream_header* hdr, + rm_property* pProp, UINT32 ulNumProps) +{ + UINT32 ulRet = 0; + + if (pInt && i < pInt->ulNumStreams && hdr) { + /* Initialize some local variables used later */ + UINT32 ulDuration = pInt->pMediaPropsHdr[i].duration; + UINT32 ulPreroll = pInt->pMediaPropsHdr[i].preroll; + UINT32 ulStreamingPreroll = 0; + UINT32 ulOldPreroll = 0; + UINT32 ulPreDecBufSize = 0; + UINT32 ulPreDecBufTime = 0; + HXDOUBLE dPreDecBufSize = 0.0; + HXBOOL bIsVBR = (pInt->pMediaPropsHdr[i].max_bit_rate != + pInt->pMediaPropsHdr[i].avg_bit_rate ? TRUE : FALSE); + HXBOOL bHasPreDataProps = FALSE; + HXDOUBLE dPreData = 0.0; + UINT32 ulPreData = 0; + char* pASMRuleBook = HXNULL; + BYTE* pBuf = HXNULL; + UINT32 ulLen = 0; + BYTE ucRuleToFlag[8]; + /* Set/count the "StreamNumber" property */ + + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "StreamNumber", + RM_PROPERTY_TYPE_UINT32, (void*) i, 0); + } + ulRet++; + /* Set/count the "MaxBitRate" property */ + if (pInt->pMediaPropsHdr[i].max_bit_rate) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "MaxBitRate", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->pMediaPropsHdr[i].max_bit_rate, 0); + } + ulRet++; + } + /* Set/count the "AvgBitRate" property */ + if (pInt->pMediaPropsHdr[i].avg_bit_rate) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "AvgBitRate", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->pMediaPropsHdr[i].avg_bit_rate, 0); + } + ulRet++; + } + /* Set/count the "MaxPacketSize" property */ + if (pInt->pMediaPropsHdr[i].max_pkt_size) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "MaxPacketSize", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->pMediaPropsHdr[i].max_pkt_size, 0); + } + ulRet++; + } + /* Set/count the "AvgPacketSize" property */ + if (pInt->pMediaPropsHdr[i].avg_pkt_size) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "AvgPacketSize", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->pMediaPropsHdr[i].avg_pkt_size, 0); + } + ulRet++; + } + /* Set/count the "StartTime" property */ + if (pInt->pMediaPropsHdr[i].start_time) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "StartTime", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->pMediaPropsHdr[i].start_time, 0); + } + ulRet++; + } + /* Set/count the "MimeType" property */ + if (pInt->pMediaPropsHdr[i].mime_type) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "MimeType", + RM_PROPERTY_TYPE_CSTRING, + (void*) pInt->pMediaPropsHdr[i].mime_type, 0); + } + ulRet++; + } + /* Set/count the "StreamName" property */ + if (pInt->pMediaPropsHdr[i].stream_name) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "StreamName", + RM_PROPERTY_TYPE_CSTRING, + (void*) pInt->pMediaPropsHdr[i].stream_name, 0); + } + ulRet++; + } + /* Set/count the "OpaqueData" property */ + if (pInt->pMediaPropsHdr[i].type_spec) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "OpaqueData", + RM_PROPERTY_TYPE_BUFFER, + (void*) pInt->pMediaPropsHdr[i].type_spec, + pInt->pMediaPropsHdr[i].type_spec_sz); + } + ulRet++; + } + /* Set/count the "intrinsicDurationType" property */ + if (pInt->pStreamInfo[i].bIsRealAudio || + pInt->pStreamInfo[i].bIsRealVideo || + pInt->pStreamInfo[i].bIsRealEvent) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "intrinsicDurationType", + RM_PROPERTY_TYPE_CSTRING, + (void*) "intrinsicDurationContinuous", 0); + } + ulRet++; + } + /* Set/count the "EndTime" property */ + if (pInt->pMediaPropsHdr[i].duration > pInt->propHdr.duration) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "EndTime", + RM_PROPERTY_TYPE_UINT32, + (void*) pInt->propHdr.duration, 0); + } + ulRet++; + } + /* Set/count the "EndOneRuleEndAll" property */ + if (pInt->pStreamInfo[i].bIsRealAudio || + pInt->pStreamInfo[i].bIsRealVideo) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "EndOneRuleEndAll", + RM_PROPERTY_TYPE_UINT32, (void*) 1, 0); + } + ulRet++; + } + /* Set/count the "CanBeStoppedAnyTime" property */ + if (pInt->pStreamInfo[i].bIsRealEvent) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "CanBeStoppedAnyTime", + RM_PROPERTY_TYPE_UINT32, (void*) 1, 0); + } + ulRet++; + } + /* Do some adjustments to duration */ + if (pInt->pStreamInfo[i].bIsRealEvent) { + /* + * If this is an event stream, then set the stream duration + * to the maximum duration across all streams. + */ + ulDuration = pInt->ulMaxDuration; + } + /* Subtract off the min first packet time */ + if (ulDuration > pInt->ulMinFirstPacketTime) { + ulDuration -= pInt->ulMinFirstPacketTime; + } + /* Set/count the "Duration" property */ + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "Duration", + RM_PROPERTY_TYPE_UINT32, + (void*) ulDuration, 0); + } + ulRet++; + /* Do some adjustments to preroll values */ + if (pInt->pStreamInfo[i].bIsRealAudio) { + /* Save the preroll */ + ulOldPreroll = ulPreroll; + /* + * RealAudio streams need to have 2 superblocks as the preroll value. + * Encoders put one superblock duration as the preroll. + */ + ulPreroll = (ulPreroll ? ulPreroll * 2 : 6000); + } + if (pInt->pStreamInfo[i].bIsRealVideo || + pInt->pStreamInfo[i].bIsRealAudio) { + /* Compute the pre-decode buffer size */ + if (pInt->pStreamInfo[i].bIsRealVideo) { + /* For VBR stream, the PreDecBufTime is the same as the actual preroll */ + if (bIsVBR) { + ulPreDecBufTime = ulPreroll; + } + /* + * If actual preroll is less than 1 sec, set preroll + * and PreDecBufTime to 1 sec more than ActualPreroll + */ + if (ulPreroll < 1000) { + if (ulOldPreroll == 0) { + ulOldPreroll = ulPreroll; + } + ulPreroll += 1000; + if (!bIsVBR) { + ulPreDecBufTime = ulPreroll; + } + } else if (!bIsVBR) { + /* + * Otherwise for CBR set the PreDecBufTime to + * twice the actual preroll + */ + ulPreDecBufTime = ulPreroll * 2; + } + /* Now compute pre-decode buffer size, rounding up */ + dPreDecBufSize = (((HXDOUBLE) ulPreDecBufTime) * + ((HXDOUBLE) pInt->pMediaPropsHdr[i].max_bit_rate) + + 7999.0) / 8000.0; + ulPreDecBufSize = (UINT32) dPreDecBufSize; + } + /* + * Cap the preroll at 5000 ms. + * XXXMEH - this assumes local playback + */ + if (ulPreroll > 5000) { + if (!ulOldPreroll) { + ulOldPreroll = ulPreroll; + } + ulStreamingPreroll = ulPreroll; + ulPreroll = 5000; + } + } + /* Set/count the "Preroll" property */ + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "Preroll", + RM_PROPERTY_TYPE_UINT32, + (void*) ulPreroll, 0); + } + ulRet++; + /* Set/count the "ActualPreroll" property */ + if (ulOldPreroll) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "ActualPreroll", + RM_PROPERTY_TYPE_UINT32, + (void*) ulOldPreroll, 0); + } + ulRet++; + } + /* Set/count the "StreamingPreroll" property */ + if (ulStreamingPreroll) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "StreamingPreroll", + RM_PROPERTY_TYPE_UINT32, + (void*) ulStreamingPreroll, 0); + } + ulRet++; + } + /* Set/count the "X-PreDecBufSize" property */ + if (ulPreDecBufSize) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "X-PreDecBufSize", + RM_PROPERTY_TYPE_UINT32, + (void*) ulPreDecBufSize, 0); + } + ulRet++; + } + /* Create the ASM rule book string */ + pASMRuleBook = rm_parseri_create_asm_rulebook(pInt, + pInt->pStreamInfo[i].bIsRealVideo, + pInt->pStreamInfo[i].bIsRealEvent, + (pInt->pMediaPropsHdr[i].type_spec_sz ? TRUE : FALSE), + pInt->pMediaPropsHdr[i].max_bit_rate, + pInt->pMediaPropsHdr[i].avg_bit_rate, + &bHasPreDataProps); + if (pASMRuleBook) { + /* Set/count the "ASMRuleBook" property */ + if (pProp) { + /* Set it into the property */ + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "ASMRuleBook", + RM_PROPERTY_TYPE_CSTRING, + (void*) pASMRuleBook, 0); + } + ulRet++; + } + /* Free the string */ + free_string(pInt->pUserMem, pInt->fpFree, &pASMRuleBook); + /* Set/count the pre-data related properties */ + if (bHasPreDataProps) { + dPreData = ((HXDOUBLE) ulPreroll) * + ((HXDOUBLE) pInt->pMediaPropsHdr[i].max_bit_rate) / + 8000.0; + ulPreData = (UINT32)(dPreData + 0.5); + if (ulPreData) { + if (pProp) { + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "PreData", + RM_PROPERTY_TYPE_UINT32, + (void*) ulPreData, 0); + rm_parseri_set_rm_property(pInt, &pProp[ulRet + 1], "PreDataAtStart", + RM_PROPERTY_TYPE_UINT32, (void*) 1, 0); + rm_parseri_set_rm_property(pInt, &pProp[ulRet + 2], "PreDataAfterSeek", + RM_PROPERTY_TYPE_UINT32, (void*) 1, 0); + rm_parseri_set_rm_property(pInt, &pProp[ulRet + 3], "PrerollAfterSeek", + RM_PROPERTY_TYPE_UINT32, (void*) 1, 0); + } + ulRet += 4; + } + } + /* Set/count the "RMFF 1.0 Flags" property */ + if (pInt->pStreamInfo[i].bIsRealVideo || + pInt->pStreamInfo[i].bIsRealEvent || + pInt->pMediaPropsHdr[i].type_spec_sz) { + if (pProp) { + if (pInt->pStreamInfo[i].bIsRealVideo) { + /* + * For video streams, we will set 3 rules. Rule 0 + * is a keyframe rule, rule 1 is a non-keyframe rule, + * and rule 2 is a keyframe (thinning) rule. + */ + BYTE* pBuf = &ucRuleToFlag[0]; + UINT32 ulLen = 8; + rm_pack16(3, &pBuf, &ulLen); + rm_pack16(HX_KEYFRAME_FLAG, &pBuf, &ulLen); + rm_pack16(0, &pBuf, &ulLen); + rm_pack16(HX_KEYFRAME_FLAG, &pBuf, &ulLen); + /* Set the property */ + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "RMFF 1.0 Flags", + RM_PROPERTY_TYPE_BUFFER, + (void*) &ucRuleToFlag[0], 8); + } else if (pInt->pStreamInfo[i].bIsRealEvent || + pInt->pMediaPropsHdr[i].type_spec_sz) { + /* + * For non-video streams, we will set 2 rules. Rule 0 + * is a keyframe rule, rule 1 is a non-keyframe rule. + */ + BYTE* pBuf = &ucRuleToFlag[0]; + UINT32 ulLen = 8; + rm_pack16(2, &pBuf, &ulLen); + rm_pack16(HX_KEYFRAME_FLAG, &pBuf, &ulLen); + rm_pack16(0, &pBuf, &ulLen); + /* Set the property */ + rm_parseri_set_rm_property(pInt, &pProp[ulRet], "RMFF 1.0 Flags", + RM_PROPERTY_TYPE_BUFFER, + (void*) &ucRuleToFlag[0], 6); + } + } + ulRet++; + } + } + return ulRet; +} + +char* rm_parseri_create_asm_rulebook(rm_parser_internal* pInt, HXBOOL bIsRealVideo, + HXBOOL bIsRealEvent, HXBOOL bHasOpaqueData, + UINT32 ulMaxBitRate, UINT32 ulAvgBitRate, + HXBOOL* pbHasPreDataProps) +{ + char* pRet = HXNULL; + + if (pInt && pbHasPreDataProps) { + HXBOOL bIsVBR = (ulMaxBitRate != ulAvgBitRate ? TRUE : FALSE); + /* Allocate the output buffer */ + pRet = (char*) rm_parseri_malloc(pInt, RM_PARSER_RULE_BOOK_BUFFER_SIZE); + if (pRet) { + /* Is this a RealVideo stream? */ + if (bIsRealVideo) { + /* Is this VBR? */ + if (bIsVBR) { + if (ulMaxBitRate) { + /* VBR RealVideo with max_bit_rate != 0 */ + strcpy(pRet, g_pszRuleBook[0]);//, 9, ulAvgBitRate, ulMaxBitRate, 5); + } else { + /* VBR RealVideo with max_bit_rate == 0 */ + strcpy(pRet, g_pszRuleBook[1]);//, 9, ulAvgBitRate, 5); + } + /* Set the PreData flag */ + *pbHasPreDataProps = TRUE; + } else { + /* CBR video */ + strcpy(pRet, g_pszRuleBook[5]);//, ulAvgBitRate, ulAvgBitRate, + // ulAvgBitRate, ulAvgBitRate); + } + } else if (bIsRealEvent || bHasOpaqueData) { + /* This is most likely an event or audio stream */ + if (bIsRealEvent) { + /* RealEvent stream */ + strcpy(pRet, g_pszRuleBook[6]); + } else if (bIsVBR) { + /* Most likely an audio stream */ + if (ulMaxBitRate) { + /* VBR RealAudio with max_bit_rate != 0 */ + strcpy(pRet, g_pszRuleBook[0]);//, 5, ulAvgBitRate, ulMaxBitRate, 5); + } else { + /* VBR RealAudio with max_bit_rate == 0 */ + strcpy(pRet, g_pszRuleBook[1]);//, 5, ulAvgBitRate, 5); + } + /* Set the PreData flag */ + *pbHasPreDataProps = TRUE; + } else { + /* CBR RealAudio */ + strcpy(pRet, g_pszRuleBook[7]);//, ulAvgBitRate); + } + } else { + /* Non-RealAudio/RealVideo/RealEvent streams */ + if (bIsVBR) { + if (ulMaxBitRate) { + strcpy(pRet, g_pszRuleBook[2]);//, ulAvgBitRate, ulMaxBitRate); + } else if (ulAvgBitRate) { + strcpy(pRet, g_pszRuleBook[3]);//, ulAvgBitRate); + } else { + strcpy(pRet, g_pszRuleBook[4]); + } + } else { + /* CBR Non-RealAudio/RealVideo/RealEvent streams */ + strcpy(pRet, g_pszRuleBook[8]);//, ulAvgBitRate); + } + } + } + } + + return pRet; +} + +HX_RESULT rm_parseri_read_next_packet(rm_parser_internal* pInt, rm_packet** ppPacket) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && ppPacket) { + /* Make sure we're still in the range of the data chunk */ + if (pInt->ulCurFileOffset < pInt->pMediaPropsHdr[pInt->ulCurrentStream].start_offset + pInt->pDataHdr[pInt->ulCurrentStream].size) { + /* More packets to go - read the next one */ + struct rm_pkt_hdr hdr; + rm_packet* pPacket = HXNULL; + UINT32 ulStreamNum = 0; + UINT32 ulASMRule = 0; + UINT32 ulASMFlags = 0; + UINT32 ulLastPacketTime = 0; + UINT32 ulLastRule = 0; + UINT32 ulBytesRead = 0; + UINT32 ulDataSize = 0; + UINT32 ulPacketOffset = 0; + HXBOOL bSkipPacket = FALSE; + do { + retVal = rm_parseri_read_next_packet_header(pInt, &hdr); + if (retVal == HXR_OK) { + /* Assume the worst */ + retVal = HXR_FAIL; + /* Translate the stream number */ + ulStreamNum = rm_parseri_translate_stream_number(pInt, hdr.stream_num); + if (ulStreamNum != RM_NO_STREAM_SET) { + /* Get the rm_stream_info for this stream */ + struct rm_stream_info* pInfo = &pInt->pStreamInfo[ulStreamNum]; + if (pInfo) { + /* Clear the return value */ + retVal = HXR_OK; + /* Are we currently looking for keyframes? */ + if (pInt->ulKeyframesNeeded) { + /* + * Is this a keyframe, and do we need a keyframe + * for this stream? + */ + if (!pInfo->bNeedKeyframe || + ((hdr.flags & HX_KEYFRAME_FLAG) && + (!pInfo->keyFramePacket.bValid || + hdr.timestamp >= pInfo->keyFramePacket.ulTimestamp))) { + if (pInfo->bNeedKeyframe) { + pInfo->bNeedKeyframe = FALSE; + pInt->ulKeyframesNeeded--; + } + bSkipPacket = FALSE; + } else { + /* + * We need keyframes for this stream and + * this is not a keyframe. + */ + bSkipPacket = TRUE; + /* Seek past the data of this packet */ + rm_parseri_file_seek(pInt, + hdr.length - hdr.header_len, + HX_SEEK_ORIGIN_CUR); + } + } else { + bSkipPacket = FALSE; + } + } + } else { + /* Got a stream number we didn't expect */ + retVal = HXR_CORRUPT_FILE; + /* Call back to error interface */ + rm_parseri_error(pInt, retVal, "Unexpected stream number in packet."); + } + } + } while (HX_SUCCEEDED(retVal) && bSkipPacket); + /* Have we found a packet? */ + if (HX_SUCCEEDED(retVal)) { + /* Get the last packet time and rule for this stream */ + ulLastPacketTime = pInt->pStreamInfo[ulStreamNum].ulLastTimeStamp; + ulLastRule = pInt->pStreamInfo[ulStreamNum].ulLastRule; + /* Determine the ASM rules and flags */ + if (pInt->pStreamInfo[ulStreamNum].bIsRealVideo) { + /* + * If the time stamp for this packet is different from + * the timestamp of the next packet and either this packet + * is a keyframe or the last packet was a keyframe we can + * switch on this packet + */ + if (hdr.timestamp != ulLastPacketTime && + (hdr.flags & HX_KEYFRAME_FLAG || + ulLastRule == HX_KEYFRAME_RULE || + ulLastRule == HX_THINNING_RULE)) { + ulASMFlags = HX_ASM_SWITCH_ON | HX_ASM_SWITCH_OFF; + } else if (hdr.timestamp != ulLastPacketTime) { + /* If this is part of a different frame, we can switch off */ + ulASMFlags = HX_ASM_SWITCH_OFF; + } else { + /* + * If this packet has the same timestamp as the previous + * packet we cannot switch on or switch off here. + */ + ulASMFlags = 0; + } + /* Assign the ASM rule */ + ulASMRule = (hdr.flags & HX_KEYFRAME_FLAG ? HX_KEYFRAME_RULE : HX_NONKEYFRAME_RULE); + } else if (pInt->pStreamInfo[ulStreamNum].bIsRealAudio) { + /* + * For audio, the first block of the super block and the second block + * of the super block are ON since the first block and the second block + * are the first packets on their respective rule numbers + */ + if (hdr.flags & HX_KEYFRAME_FLAG || ulLastRule == HX_KEYFRAME_RULE) { + ulASMFlags = HX_ASM_SWITCH_ON | HX_ASM_SWITCH_OFF; + } else { + ulASMFlags = HX_ASM_SWITCH_OFF; + } + /* Assign the ASM rule */ + ulASMRule = (hdr.flags & HX_KEYFRAME_FLAG ? HX_KEYFRAME_RULE : HX_NONKEYFRAME_RULE); + } else { + /* Assign the ASM flags */ + ulASMFlags = HX_ASM_SWITCH_OFF; + ulASMFlags |= (hdr.flags & HX_KEYFRAME_FLAG ? HX_ASM_SWITCH_ON : 0); + /* Is this an event stream or file version 0? */ + if (pInt->pStreamInfo[ulStreamNum].bIsRealEvent || + pInt->fileHdr.file_version == 0) { + ulASMRule = (hdr.flags & HX_KEYFRAME_FLAG ? HX_KEYFRAME_RULE : HX_NONKEYFRAME_RULE); + } else { + /* + * In case of non-RM streams version 1 or later, the rule + * number is recorded directly into the upper 8 bits of the + * flags field (packet_group) + */ + ulASMRule = (UINT32)((hdr.flags >> 8) & 0x00FF); + } + } + /* Set the return value */ + retVal = HXR_OUTOFMEMORY; + /* Allocate space for the rm_packet */ + pPacket = (rm_packet*) rm_parseri_malloc(pInt, sizeof(rm_packet)); + if (pPacket) { + /* NULL out the packet */ + memset(pPacket, 0, sizeof(rm_packet)); + /* Compute the data size */ + ulDataSize = hdr.length - hdr.header_len; + /* Allocate space for the data */ + pPacket->pData = (BYTE*) rm_parseri_malloc(pInt, ulDataSize); + if (pPacket->pData) { + /* Read the data into the buffer */ + ulBytesRead = rm_parseri_file_read_buffer(pInt, pPacket->pData, ulDataSize); + if (ulBytesRead == ulDataSize) { + /* Assign the packet parameters */ + pPacket->ulTime = hdr.timestamp; + pPacket->usStream = (UINT16) ulStreamNum; + pPacket->usASMFlags = (UINT16) ulASMFlags; + pPacket->ucASMRule = (BYTE) ulASMRule; + pPacket->ucLost = FALSE; + pPacket->usDataLen = (UINT16) ulDataSize; + /* Update the last timestamp and rule */ + pInt->pStreamInfo[ulStreamNum].ulLastTimeStamp = hdr.timestamp; + pInt->pStreamInfo[ulStreamNum].ulLastRule = ulASMRule; + /* Compute the file offset of this packet */ + ulPacketOffset = pInt->ulCurFileOffset - + ulDataSize - hdr.header_len; + /* Update the seek table */ + rm_parseri_update_seek_table(pInt, + ulStreamNum, + hdr.timestamp, + ulPacketOffset, + hdr.flags); + /* Assign the out parameter */ + *ppPacket = pPacket; + /* Clear the return value */ + retVal = HXR_OK; + } else { + /* Could not read packet data */ + retVal = HXR_READ_ERROR; + /* Call back to error interface */ + rm_parseri_error(pInt, retVal, "Could not read packet data."); + } + } + if (retVal != HXR_OK) { + /* Free the packet data */ + if (pPacket->pData) { + rm_parseri_free(pInt, pPacket->pData); + pPacket->pData = HXNULL; + } + /* Free the packet */ + rm_parseri_free(pInt, pPacket); + pPacket = HXNULL; + } + } + } + } else { + /* We are finished reading packets from this chunk */ + retVal = HXR_AT_END; + } + } + + return retVal; +} + +UINT32 rm_parseri_file_read(rm_parser_internal* pInt, UINT32 ulBytesToRead, UINT32 ulReadBufferOffset) +{ + UINT32 ulRet = 0; + // DataSrc_t *ds = pInt->pUserRead; + UINT8 err; + + if (pInt && pInt->fpRead) { + /* Make sure our read buffer is big enough */ + HX_RESULT rv = rm_enforce_buffer_min_size(pInt->pUserMem, + pInt->fpMalloc, + pInt->fpFree, + &pInt->pReadBuffer, + &pInt->ulReadBufferSize, + ulReadBufferOffset + ulBytesToRead); + if (rv == HXR_OK) { + // if (ds&&ds->streaming_sem) + // AVMutexPend(ds->streaming_sem, 0, &err); + /* Seek the file */ + pInt->fpSeek(pInt->pUserRead, pInt->ulCurFileOffset, HX_SEEK_ORIGIN_SET); + /* Read in ulBytesToRead bytes */ + ulRet = pInt->fpRead(pInt->pUserRead, + pInt->pReadBuffer + ulReadBufferOffset, + ulBytesToRead); + /* Save the number of bytes in read buffer */ + pInt->ulNumBytesRead = ulRet + ulReadBufferOffset; + /* Advance the current file offset */ + pInt->ulCurFileOffset += ulRet; + // if (ds&&ds->streaming_sem) + // AVMutexPost(ds->streaming_sem); + } + } + + return ulRet; +} + +UINT32 rm_parseri_file_read_buffer(rm_parser_internal* pInt, BYTE* pBuf, UINT32 ulBytesToRead) +{ + UINT32 ulRet = 0; + // DataSrc_t *ds = pInt->pUserRead; + UINT8 err; + + if (pInt && pInt->fpRead) { + // if (ds&&ds->streaming_sem) + // AVMutexPend(ds->streaming_sem, 0, &err); + /* Seek the file */ + pInt->fpSeek(pInt->pUserRead, pInt->ulCurFileOffset, HX_SEEK_ORIGIN_SET); + /* Read in ulBytesToRead bytes */ + ulRet = pInt->fpRead(pInt->pUserRead, pBuf, ulBytesToRead); + /* Advance the current file offset */ + pInt->ulCurFileOffset += ulRet; + // if (ds&&ds->streaming_sem) + // AVMutexPost(ds->streaming_sem); + } + + return ulRet; +} + +void rm_parseri_file_seek(rm_parser_internal* pInt, UINT32 ulOffset, UINT32 ulOrigin) +{ + if (pInt && pInt->fpSeek) { + /* Seek the file */ + pInt->fpSeek(pInt->pUserRead, ulOffset, ulOrigin); + /* Update the current file offset */ + if (ulOrigin == HX_SEEK_ORIGIN_SET) { + pInt->ulCurFileOffset = ulOffset; + } else if (ulOrigin == HX_SEEK_ORIGIN_CUR) { + pInt->ulCurFileOffset += ulOffset; + } else if (ulOrigin == HX_SEEK_ORIGIN_END) { + /* + * XXXMEH - don't know file size, so not sure what to do here. + * We could require ftell-like functionality, or we could + * require some type of fstat-like functionality. + */ + rm_parseri_error(pInt, HXR_NOT_SUPPORTED, "File seek with end origin attempted - not suported."); + } + } +} + +void rm_parseri_set_stream_size(rm_parser_internal* pInt, UINT32 stream_size) +{ + if (pInt) { + UINT32 i = 0; + for (i = 0; i < pInt->ulNumStreams; i++) { + if (pInt->pStreamHdr[i].ulStreamSize == RM_PARSER_DATA_CHUNK_HEADER_SIZE) { + pInt->pStreamHdr[i].ulStreamSize = stream_size; + } + if (pInt->pDataHdr[i].size == RM_PARSER_DATA_CHUNK_HEADER_SIZE) { + pInt->pDataHdr[i].size = stream_size; + } + } + } +} + +HX_RESULT rm_parseri_copy_stream_header(rm_parser_internal* pInt, UINT32 i, rm_stream_header* pHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pHdr && i < pInt->ulNumStreams && pInt->pStreamHdr) { + UINT32 j = 0; + UINT32 ulSize = 0; + /* Clean up any existing header */ + rm_parseri_cleanup_stream_header(pInt, pHdr); + /* Copy the hard-coded members */ + pHdr->ulStreamNumber = pInt->pStreamHdr[i].ulStreamNumber; + pHdr->ulMaxBitRate = pInt->pStreamHdr[i].ulMaxBitRate; + pHdr->ulAvgBitRate = pInt->pStreamHdr[i].ulAvgBitRate; + pHdr->ulMaxPacketSize = pInt->pStreamHdr[i].ulMaxPacketSize; + pHdr->ulAvgPacketSize = pInt->pStreamHdr[i].ulAvgPacketSize; + pHdr->ulDuration = pInt->pStreamHdr[i].ulDuration; + pHdr->ulPreroll = pInt->pStreamHdr[i].ulPreroll; + pHdr->ulStartTime = pInt->pStreamHdr[i].ulStartTime; + pHdr->ulStartOffset = pInt->pStreamHdr[i].ulStartOffset; + pHdr->ulStreamSize = pInt->pStreamHdr[i].ulStreamSize; + pHdr->pMimeType = copy_string(pInt->pUserMem, pInt->fpMalloc, + pInt->pStreamHdr[i].pMimeType); + pHdr->pStreamName = copy_string(pInt->pUserMem, pInt->fpMalloc, + pInt->pStreamHdr[i].pStreamName); + pHdr->pOpaqueData = copy_buffer(pInt->pUserMem, pInt->fpMalloc, + pInt->pStreamHdr[i].pOpaqueData, + pInt->pStreamHdr[i].ulOpaqueDataLen); + if ((!pInt->pStreamHdr[i].pMimeType || pHdr->pMimeType) && + (!pInt->pStreamHdr[i].pStreamName || pHdr->pStreamName) && + (!pInt->pStreamHdr[i].pOpaqueData || pHdr->pOpaqueData)) { + /* Copy the properties array */ + if (pInt->pStreamHdr[i].ulNumProperties && + pInt->pStreamHdr[i].pProperty) { + /* Allocate space for the property array */ + ulSize = pInt->pStreamHdr[i].ulNumProperties * sizeof(rm_property); + pHdr->pProperty = (rm_property*) rm_parseri_malloc(pInt, ulSize); + if (pHdr->pProperty) { + /* NULL out the array */ + memset(pHdr->pProperty, 0, ulSize); + /* Copy each of the properties */ + retVal = HXR_OK; + for (j = 0; j < pInt->pStreamHdr[i].ulNumProperties && retVal == HXR_OK; j++) { + retVal = rm_parseri_set_rm_property(pInt, &pHdr->pProperty[j], + pInt->pStreamHdr[i].pProperty[j].pName, + pInt->pStreamHdr[i].pProperty[j].ulType, + (void*) pInt->pStreamHdr[i].pProperty[j].pValue, + pInt->pStreamHdr[i].pProperty[j].ulValueLen); + } + if (retVal == HXR_OK) { + /* Assign the number of properties */ + pHdr->ulNumProperties = pInt->pStreamHdr[i].ulNumProperties; + } + } + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_update_seek_table(rm_parser_internal* pInt, UINT32 ulStreamNum, + UINT32 ulTime, UINT32 ulOffset, UINT32 ulFlags) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pStreamInfo && ulStreamNum < pInt->ulNumStreams) { + struct rm_seek_table* pTable = &pInt->pStreamInfo[ulStreamNum].seekTable; + if (pTable) { + /* Was this a keyframe packet? */ + if (ulFlags & HX_KEYFRAME_FLAG) { + /* Do we have space left in the table? */ + if (pTable->pEntry && pTable->ulNumEntries < pTable->ulMaxEntries) { + /* + * If this is the first entry; or if this + * time is at least ulTimeGranularity greater + * than the last time added, then make an entry. + */ + if (!pTable->ulNumEntries || + (ulTime > pTable->ulLastTime && + ulTime - pTable->ulLastTime > pTable->ulTimeGranularity)) { + /* Update the last time */ + pTable->ulLastTime = ulTime; + /* Update the time range this table covers */ + if (ulTime > pTable->ulRangeTime) { + pTable->ulRangeTime = ulTime; + } + /* Make the new entry */ + pTable->pEntry[pTable->ulNumEntries].ulTime = ulTime; + pTable->pEntry[pTable->ulNumEntries].ulOffset = ulOffset; + /* Increment the number of entries */ + pTable->ulNumEntries++; + /* Clear the return value */ + retVal = HXR_OK; + } + } + } else { + /* + * This is not a keyframe, so we don't have to + * make an entry in the table, but we do need to + * update the time range that it covers. + */ + if (ulTime > pTable->ulRangeTime) { + pTable->ulRangeTime = ulTime; + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_update_time_range(rm_parser_internal* pInt, UINT32 ulStreamNum, + UINT32 ulTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pStreamInfo && ulStreamNum < pInt->ulNumStreams) { + /* Get the seek table for this stream */ + struct rm_seek_table* pTable = &pInt->pStreamInfo[ulStreamNum].seekTable; + if (pTable) { + /* Update the time range this table covers */ + if (ulTime > pTable->ulRangeTime) { + pTable->ulRangeTime = ulTime; + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_search_all_seek_tables(rm_parser_internal* pInt, UINT32 ulSeekTime, + UINT32* pulFoundTime, UINT32* pulFoundOffset) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pulFoundTime && pulFoundOffset && + pInt->ulNumStreams && pInt->pStreamInfo) { + /* Initialize local variables */ + UINT32 ulMaxTime = 0; + UINT32 ulMaxOffset = 0; + UINT32 i = 0; + UINT32 pulFoundIndex; + HX_RESULT status = HXR_FAIL; + /* Search the streams */ + for (i = 0; i < pInt->ulNumStreams; i++) { + /* Get the stream info struct */ + struct rm_stream_info* pInfo = &pInt->pStreamInfo[i]; + if (pInfo) { + status = rm_parseri_search_seek_table(&pInfo->seekTable, + ulSeekTime, + 0, + &pInfo->keyFramePacket.ulTimestamp, + &pInfo->keyFramePacket.ulFileOffset, + &pulFoundIndex); + if (status == HXR_OK) { + pInfo->keyFramePacket.bValid = TRUE; + if (pInfo->keyFramePacket.ulTimestamp > ulMaxTime) { + ulMaxTime = pInfo->keyFramePacket.ulTimestamp; + } + if (pInfo->keyFramePacket.ulFileOffset > ulMaxOffset) { + ulMaxOffset = pInfo->keyFramePacket.ulFileOffset; + } + } + /* + * If at least one stream succeeds, the overall search + * succeeds. Note that rm_parseri_search_seek_table() can + * return either HXR_AT_END or HXR_OK, both of which + * return HX_SUCCEEDED() == TRUE. That's why we have to + * specifically check for status == HXR_OK, as opposed + * to just HX_SUCCEEDED(status). + */ + if (HX_FAILED(retVal) || + (HX_SUCCEEDED(retVal) && status == HXR_OK)) { + retVal = status; + } + } + } + if (HX_SUCCEEDED(retVal)) { + *pulFoundTime = ulMaxTime; + *pulFoundOffset = ulMaxOffset; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_search_seek_tables(rm_parser_internal* pInt, INT32 lStreamNumber, UINT32 ulSeekTime, INT32 lDirection, + UINT32* pulFoundTime, UINT32* pulFoundOffset, UINT32* pulFoundIndex) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pulFoundTime && pulFoundOffset && + pInt->ulNumStreams && pInt->pStreamInfo) { + /* Initialize local variables */ + UINT32 ulMinTime = 0xffffffff; + UINT32 ulMinOffset = 0xffffffff; + UINT32 i = 0; + HX_RESULT status = HXR_FAIL; + struct rm_stream_info* pInfo = &pInt->pStreamInfo[lStreamNumber]; + /* Search the streams */ + { + /* Get the stream info struct */ + if (pInfo) { + retVal = rm_parseri_search_seek_table(&pInfo->seekTable, + ulSeekTime, + lDirection, + &pInfo->keyFramePacket.ulTimestamp, + &pInfo->keyFramePacket.ulFileOffset, + pulFoundIndex); + if (retVal == HXR_OK) { + pInfo->keyFramePacket.bValid = TRUE; + } + } + } + if (retVal == HXR_OK) { + *pulFoundTime = pInfo->keyFramePacket.ulTimestamp; + *pulFoundOffset = pInfo->keyFramePacket.ulFileOffset; + } + } + + return retVal; +} + +HX_RESULT rm_parseri_search_seek_table(struct rm_seek_table* pTable, UINT32 ulSeekTime, INT32 lDirection, + UINT32* pulFoundTime, UINT32* pulFoundOffset, UINT32 *pulFoundIndex) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pTable && pulFoundTime && pulFoundOffset && pTable->ulNumEntries) { + /* Estimate index to seek from */ + UINT32 ulTableIdx = ulSeekTime / pTable->ulTimeGranularity; + /* + * If we've over-estimated, set the index at the + * last entry in the table. + */ + if (ulTableIdx >= pTable->ulNumEntries) { + ulTableIdx = pTable->ulNumEntries - 1; + } + /* Scan forward in the table */ + while (((ulTableIdx + 1) < (pTable->ulNumEntries - 1)) && + (pTable->pEntry[ulTableIdx + 1].ulTime < ulSeekTime)) { + ulTableIdx++; + } + /* Scan backwards in the table */ + while ((ulTableIdx > 0) && + (pTable->pEntry[ulTableIdx].ulTime > ulSeekTime)) { + ulTableIdx--; + } + if (lDirection) { + if ((lDirection > 0) && (ulTableIdx < pTable->ulNumEntries - 1)) { + ulTableIdx++; + } else if ((lDirection < 0) && (ulTableIdx > 0)) { + ulTableIdx--; + } + } + /* Report results */ + *pulFoundTime = pTable->pEntry[ulTableIdx].ulTime; + *pulFoundOffset = pTable->pEntry[ulTableIdx].ulOffset; + /* Set the return value */ + retVal = (ulSeekTime > pTable->ulRangeTime ? HXR_AT_END : HXR_OK); + } + + return retVal; +} + +HX_RESULT rm_parseri_search_index_chunk(rm_parser_internal* pInt, UINT32 ulSeekTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->propHdr.index_offset && pInt->pStreamInfo && + pInt->ulNumStreams) { + /* Initialize local variables */ + struct rm_index_hdr hdr; + struct rm_index_rec rec; + UINT32 ulChunkID = 0; + UINT32 ulStreamNum = 0; + UINT32 i = 0; + UINT32 ulIndexOffset = pInt->propHdr.index_offset; + /* Mark all keyframe packets as invalid */ + for (i = 0; i < pInt->ulNumStreams; i++) { + pInt->pStreamInfo[i].keyFramePacket.bValid = FALSE; + } + /* Clear the return value */ + retVal = HXR_OK; + /* Loop through all the index chunks */ + while (HX_SUCCEEDED(retVal) && + ulIndexOffset && + !rm_parseri_is_all_keyframes_found(pInt)) { + /* Seek the file to the next index chunk */ + rm_parseri_file_seek(pInt, ulIndexOffset, HX_SEEK_ORIGIN_SET); + /* Read the index header */ + retVal = rm_parseri_read_next_header(pInt, &ulChunkID); + if (retVal == HXR_OK) { + /* Assume the worst */ + retVal = HXR_FAIL; + /* Make sure this is an INDX header */ + if (ulChunkID == RM_INDEX_OBJECT) { + /* Parse the index header */ + retVal = rm_parseri_unpack_index_hdr(pInt, &hdr); + if (retVal == HXR_OK) { + /* + * Translate the stream number. If the + * stream number doesn't translate, then + * we will not consider it an error - we'll + * just go on to the next index chunk. + */ + ulStreamNum = rm_parseri_translate_stream_number(pInt, hdr.stream_num); + if (ulStreamNum != RM_NO_STREAM_SET) { + /* Get the rm_keyframe_packet struct */ + struct rm_keyframe_packet* pKey = + &pInt->pStreamInfo[ulStreamNum].keyFramePacket; + /* Read all the index records in this chunk */ + for (i = 0; i < hdr.num_recs && retVal == HXR_OK; i++) { + retVal = rm_parseri_read_next_index_rec(pInt, &rec); + if (retVal == HXR_OK) { + /* + * Set this record into the on-the-fly + * seek table. + */ + rm_parseri_update_seek_table(pInt, + ulStreamNum, + rec.timestamp, + rec.offset, + HX_KEYFRAME_FLAG); + /* + * Is the timestamp of the record + * greater than or equal to the seek time? + */ + if (rec.timestamp >= ulSeekTime) { + /* Do we have a valid keyframe for this stream? */ + if (!pKey->bValid) { + pKey->bValid = TRUE; + pKey->ulFileOffset = rec.offset; + pKey->ulTimestamp = rec.timestamp; + } + /* + * Now we can stop looking at index records + * for this stream + */ + break; + } else { + /* Save the keyframe info */ + pKey->bValid = TRUE; + pKey->ulFileOffset = rec.offset; + pKey->ulTimestamp = rec.timestamp; + } + } + } + } + /* + * Set the next index header. If there are + * no more index chunks, next_index_hdr will + * be zero. + */ + ulIndexOffset = hdr.next_index_hdr; + } + } + } + } + /* Find the first keyframe */ + if (HX_SUCCEEDED(retVal)) { + retVal = rm_parseri_find_first_keyframe(pInt); + } + } + + return retVal; +} + +HX_RESULT rm_parseri_build_seek_table(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + // not support seek without Interleaved Streams now + if (pInt->ulInterleavedStreamsFlag == 0) { + return HXR_FAIL; + } + + if (pInt && pInt->propHdr.index_offset && pInt->pStreamInfo && + pInt->ulNumStreams) { + /* Initialize local variables */ + struct rm_index_hdr hdr; + struct rm_index_rec rec; + UINT32 ulChunkID = 0; + UINT32 ulStreamNum = 0; + UINT32 i = 0; + UINT32 ulIndexOffset = pInt->propHdr.index_offset; + /* Mark all keyframe packets as invalid */ + for (i = 0; i < pInt->ulNumStreams; i++) { + pInt->pStreamInfo[i].keyFramePacket.bValid = FALSE; + } + /* Clear the return value */ + retVal = HXR_OK; + /* Loop through all the index chunks */ + while (HX_SUCCEEDED(retVal) && + ulIndexOffset && + !rm_parseri_is_all_keyframes_found(pInt)) { + /* Seek the file to the next index chunk */ + rm_parseri_file_seek(pInt, ulIndexOffset, HX_SEEK_ORIGIN_SET); + /* Read the index header */ + retVal = rm_parseri_read_next_header(pInt, &ulChunkID); + if (retVal == HXR_OK) { + /* Assume the worst */ + retVal = HXR_FAIL; + /* Make sure this is an INDX header */ + if (ulChunkID == RM_INDEX_OBJECT) { + /* Parse the index header */ + retVal = rm_parseri_unpack_index_hdr(pInt, &hdr); + if (retVal == HXR_OK) { + /* + * Translate the stream number. If the + * stream number doesn't translate, then + * we will not consider it an error - we'll + * just go on to the next index chunk. + */ + ulStreamNum = rm_parseri_translate_stream_number(pInt, hdr.stream_num); + if (ulStreamNum != RM_NO_STREAM_SET) { + /* Get the rm_keyframe_packet struct */ + struct rm_keyframe_packet* pKey = + &pInt->pStreamInfo[ulStreamNum].keyFramePacket; + /* Read all the index records in this chunk */ + for (i = 0; i < hdr.num_recs && retVal == HXR_OK; i++) { + retVal = rm_parseri_read_next_index_rec(pInt, &rec); + if (retVal == HXR_OK) { + /* + * Set this record into the on-the-fly + * seek table. + */ + rm_parseri_update_seek_table(pInt, + ulStreamNum, + rec.timestamp, + rec.offset, + HX_KEYFRAME_FLAG); + { + /* Save the keyframe info */ + pKey->bValid = TRUE; + pKey->ulFileOffset = rec.offset; + pKey->ulTimestamp = rec.timestamp; + } + } + } + } + /* + * Set the next index header. If there are + * no more index chunks, next_index_hdr will + * be zero. + */ + ulIndexOffset = hdr.next_index_hdr; + } + } + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_seek(rm_parser_internal* pInt, UINT32 ulSeekTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->ulNumStreams && pInt->pStreamInfo) { + /* Initialize local variables */ + UINT32 i = 0; + HX_RESULT status = HXR_OK; + UINT32 ulFoundTime = 0; + UINT32 ulDataOffset = 0; + /* Clear out stream state */ + for (i = 0; i < pInt->ulNumStreams; i++) { + pInt->pStreamInfo[i].bStreamDone = FALSE; + pInt->pStreamInfo[i].ulLastTimeStamp = 0xFFFFFFFF; + pInt->pStreamInfo[i].keyFramePacket.bValid = FALSE; + } + /* First we try to search the on-the-fly seek table */ + status = rm_parseri_search_all_seek_tables(pInt, ulSeekTime, + &ulFoundTime, &ulDataOffset); + if (status == HXR_OK) { + retVal = rm_parseri_find_first_packet_after_seek_time(pInt, + ulSeekTime, + ulDataOffset); + } else if (pInt->propHdr.index_offset && ulSeekTime) { + /* + * Try to find the offset via the index chunks + * at the end of the file + */ + retVal = rm_parseri_search_index_chunk(pInt, ulSeekTime); + } else if (status == HXR_AT_END) { + /* + * The on-the-fly seek table returned HXR_AT_END, + * which means the seek time was past it's range, + * so it returned the last entry it had in the table. + * If we can't use the index table at the end of the + * file, then we'll use this - it's better than starting + * at the beginning of the data chunk. + */ + retVal = rm_parseri_find_first_packet_after_seek_time(pInt, + ulSeekTime, + ulDataOffset); + } else { + /* + * Compute the offset of the first packet + * after the data chunk. + */ + ulDataOffset = pInt->propHdr.data_offset + + RM_PARSER_DATA_CHUNK_HEADER_SIZE; + /* Seek from the beginning of the data chunk */ + retVal = rm_parseri_find_first_packet_after_seek_time(pInt, + ulSeekTime, + ulDataOffset); + } + } + + return retVal; +} + +HXBOOL rm_parseri_is_all_keyframes_found(rm_parser_internal* pInt) +{ + HXBOOL bRet = FALSE; + + if (pInt && pInt->ulNumStreams && pInt->pStreamInfo) { + /* Init local variables */ + UINT32 i = 0; + /* Assume we have found all of them */ + bRet = TRUE; + /* Look through all streams */ + for (i = 0; i < pInt->ulNumStreams; i++) { + if (!pInt->pStreamInfo[i].keyFramePacket.bValid) { + bRet = FALSE; + break; + } + } + } + + return bRet; +} + +HXBOOL rm_parseri_is_a_keyframe_found(rm_parser_internal* pInt) +{ + HXBOOL bRet = FALSE; + + if (pInt && pInt->ulNumStreams && pInt->pStreamInfo) { + /* Init local variables */ + UINT32 i = 0; + /* Look through all streams */ + for (i = 0; i < pInt->ulNumStreams; i++) { + if (pInt->pStreamInfo[i].keyFramePacket.bValid) { + bRet = TRUE; + break; + } + } + } + + return bRet; +} + +HX_RESULT rm_parseri_find_first_packet_after_seek_time(rm_parser_internal* pInt, + UINT32 ulSeekTime, + UINT32 ulInitialOffset) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + UINT32 ulStreamNum = 0; + UINT32 ulOffset = 0; + struct rm_pkt_hdr hdr; + /* Clear the return value */ + retVal = HXR_OK; + /* Seek to the initial offset */ + rm_parseri_file_seek(pInt, ulInitialOffset, HX_SEEK_ORIGIN_SET); + /* + * Read packet headers until we find one + * which is greater than or equal to the seek time. + */ + while (HX_SUCCEEDED(retVal)) { + /* Read the next packet header */ + retVal = rm_parseri_read_next_packet_header(pInt, &hdr); + if (HX_SUCCEEDED(retVal)) { + /* Compute the offset of this packet */ + ulOffset = pInt->ulCurFileOffset - hdr.header_len; + /* + * Is the timestamp of this packet greater + * than or equal to the seek time? + */ + if (hdr.timestamp >= ulSeekTime) { + /* We're finished. */ + retVal = rm_parseri_find_first_keyframe(pInt); + break; + } else { + /* Assume the worst */ + retVal = HXR_FAIL; + /* Get the stream num */ + ulStreamNum = rm_parseri_translate_stream_number(pInt, hdr.stream_num); + if (ulStreamNum != RM_NO_STREAM_SET) { + /* Get the rm_keyframe_packet struct for this stream */ + struct rm_keyframe_packet* pKey = &pInt->pStreamInfo[ulStreamNum].keyFramePacket; + if (pKey) { + if (hdr.flags & HX_KEYFRAME_FLAG) { + if (!pKey->bValid || hdr.timestamp > pKey->ulTimestamp) { + /* Save the keyframe info */ + pKey->ulTimestamp = hdr.timestamp; + pKey->ulFileOffset = ulOffset; + pKey->bValid = TRUE; + /* Update the on-the-fly index table */ + rm_parseri_update_seek_table(pInt, + ulStreamNum, + hdr.timestamp, + ulOffset, + hdr.flags); + } + } else { + rm_parseri_update_time_range(pInt, + ulStreamNum, + hdr.timestamp); + } + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + /* + * If we've succeeded and we're not done, + * then seek to the next packet header. + */ + if (HX_SUCCEEDED(retVal)) { + rm_parseri_file_seek(pInt, + hdr.length - hdr.header_len, + HX_SEEK_ORIGIN_CUR); + } + } + } + } + + return retVal; +} + +HX_RESULT rm_parseri_find_first_keyframe(rm_parser_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->pStreamInfo && pInt->ulNumStreams) { + UINT32 ulLowOffset = 0; + UINT32 ulLowStream = 0; + UINT32 ulNumValid = 0; + UINT32 i = 0; + /* + * Mark the number of keyframes needed as + * the number of streams. + */ + pInt->ulKeyframesNeeded = pInt->ulNumStreams; + for (i = 0; i < pInt->ulNumStreams; i++) { + pInt->pStreamInfo[i].bNeedKeyframe = TRUE; + } + /* Find the lowest offset of the valid keyframes */ + for (i = 0; i < pInt->ulNumStreams; i++) { + if (pInt->pStreamInfo[i].bNeedKeyframe && + pInt->pStreamInfo[i].keyFramePacket.bValid) { + /* Increment the number of valid keyframes */ + ulNumValid++; + /* Find the lowest keyframe time and stream */ + if (!ulLowOffset || + pInt->pStreamInfo[i].keyFramePacket.ulFileOffset < ulLowOffset) { + ulLowOffset = pInt->pStreamInfo[i].keyFramePacket.ulFileOffset; + ulLowStream = i; + } + } + } + /* Did we find any valid keyframes? */ + if (ulNumValid) { + /* Seek to the lowest offset */ + rm_parseri_file_seek(pInt, ulLowOffset, HX_SEEK_ORIGIN_SET); + /* Clear the return value */ + retVal = HXR_OK; + } else { + /* Clear the number of keyframes needed */ + pInt->ulKeyframesNeeded = 0; + } + } + + return retVal; +} + +void* rm_parseri_malloc(rm_parser_internal* pInt, UINT32 ulSize) +{ + void* pRet = HXNULL; + if (pInt && pInt->fpMalloc) { + pRet = pInt->fpMalloc(pInt->pUserMem, ulSize); + } + return pRet; +} + +void rm_parseri_free(rm_parser_internal* pInt, void* pMem) +{ + if (pInt && pInt->fpFree) { + pInt->fpFree(pInt->pUserMem, pMem); + } +} + +void rm_parseri_error(rm_parser_internal* pInt, HX_RESULT err, const char* pszMsg) +{ + if (pInt && pInt->fpError) { + pInt->fpError(pInt->pUserError, err, pszMsg); + } +} diff --git a/audio_codec/libraac/rm_parser_internal.h b/audio_codec/libraac/rm_parser_internal.h new file mode 100644 index 0000000..4bf95a1 --- a/dev/null +++ b/audio_codec/libraac/rm_parser_internal.h @@ -0,0 +1,420 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_parser_internal.h,v 1.2.2.1 2005/05/04 18:21:36 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RM_PARSER_INTERNAL_H +#define RM_PARSER_INTERNAL_H + +#include "../include/helix_types.h" +#include "../include/helix_result.h" +#include "../include/rm_memory.h" +#include "../include/rm_error.h" +#include "../include/rm_parse.h" + +#ifdef __cplusplus +extern "C" { +#endif + + /* Defines */ +#define RM_HEADER_OBJECT 0x2E524D46 /* '.RMF' */ +#define RM_PROPERTIES_OBJECT 0x50524F50 /* 'PROP' */ +#define RM_MEDIA_PROPERTIES_OBJECT 0x4D445052 /* 'MDPR' */ +#define RM_CONTENT_OBJECT 0x434F4E54 /* 'CONT' */ +#define RM_DATA_OBJECT 0x44415441 /* 'DATA' */ +#define RM_INDEX_OBJECT 0x494E4458 /* 'INDX' */ +#define RM_MULTIHEADER_OBJECT 0x4D4C5449 /* 'MLTI' */ + +#define RM_NO_STREAM_SET 0xFFFFFFFF +#define RM_INDEX_MIN_ENTRIES 32 +#define RM_INDEX_MAX_ENTRIES 2048 +#define RM_INDEX_MIN_TIME_GRANULARITY 50 /* in milliseconds */ +#define RM_INDEX_MAX_TIME_GRANULARITY 15000 /* in milliseconds */ + + /* + * We explicitly define the size for structs + * to be read. That's because we can't use sizeof() + * to determine how much to read since struct + * alignment will make that value different. + */ +#define RM_PARSER_GENERIC_HDR_SIZE 10 +#define RM_PARSER_INDEX_HEADER_SIZE 20 +#define RM_PARSER_INDEX_RECORD_SIZE 14 +#define RM_PARSER_PACKET_HEADER_SIZE 12 +#define RM_PARSER_DATA_CHUNK_HEADER_SIZE 18 + + /* generic header -- most headers start like this */ + struct rm_generic_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + }; + + /* rm file header -- all real media files start with this header */ + struct rm_file_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT32 file_version; /* revision number for realmedia file */ + UINT32 num_headers; /* num headers in file (including this one) */ + }; + + /* rm properties header -- summarizes data for entire clip */ + struct rm_properties_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT32 max_bit_rate; /* maximum bit rate of clip */ + UINT32 avg_bit_rate; /* average bit rate of clip */ + UINT32 max_pkt_size; /* max length of packet in clip (bytes) */ + UINT32 avg_pkt_size; /* averge length of packet in clip (bytes) */ + UINT32 num_pkts; /* total packets in clip (all streams) */ + UINT32 duration; /* duration of clip (milliseconds) */ + UINT32 preroll; /* preroll time (milliseconds) */ + UINT32 index_offset; /* offset to beginning of index data */ + UINT32 data_offset; /* offset to beginning of packet data */ + UINT16 num_streams; /* total number of streams in clip */ + UINT32 flags; /* various and sundry */ + }; + + /* rm content header -- title, author, copyright */ + struct rm_content_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT16 title_sz; /* length of title field */ + char* title; /* title of clip */ + UINT16 author_sz; /* length of author field */ + char* author; /* author of clip */ + UINT16 copyright_sz; /* length of copyright field */ + char* copyright; /* copyright of clip */ + UINT16 comment_sz; /* length of comment field */ + char* comment; /* comment */ + }; + + /* rm media properties header -- stream info, one for each stream */ + struct rm_media_props_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT16 stream_num; /* stream number */ + UINT32 max_bit_rate; /* maximum bit rate of stream */ + UINT32 avg_bit_rate; /* average bit rate of stream */ + UINT32 max_pkt_size; /* max length of packet in stream (bytes) */ + UINT32 avg_pkt_size; /* averge length of packet in stream (bytes) */ + UINT32 start_time; /* start time of stream -- clip relative */ + UINT32 preroll; /* preroll time (milliseconds) */ + UINT32 duration; /* duration of stream (milliseconds) */ + BYTE stream_name_sz; /* length of stream_name field */ + char* stream_name; /* string name of stream */ + BYTE mime_type_sz; /* length of mime_type field */ + char* mime_type; /* MIME type of stream */ + UINT32 type_spec_sz; /* length of type_spec field */ + BYTE* type_spec; /* type specific data buffer */ + UINT32 start_offset; /* for non-interleaved stream only */ + }; + + /* rm name value header -- implements name/value pairs */ + struct rm_name_value_map { + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + BYTE name_sz; /* length of name field */ + char* name; /* name of property */ + UINT32 type; /* type of property */ + UINT16 value_sz; /* length of value field */ + BYTE* value; /* value of property */ + }; + + /* rm logical stream header -- used for surestream */ + struct rm_logical_stream_hdr { + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT16 num_physical_streams; /* number of actual streams */ + UINT16* physical_stream_num; /* array of stream numbers */ + UINT32* data_offsets; /* array of offsets to stream packets */ + UINT16 num_rules; /* number of ASM rules */ + UINT16* rule_stream_map; /* maps rules to streams */ + UINT16 num_props; /* number of name value properties */ + struct rm_name_value_map* props; /* array of name value properties */ + }; + + /* rm meta information -- clip meta data */ + struct rm_meta_data_hdr { + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT16 num_props; /* number of name value properties */ + struct rm_name_value_map* props; /* array of name value properties */ + }; + + /* rm data header -- this occurs before the start of packet data */ + struct rm_data_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT32 num_pkts; /* total number of packets in segment */ + UINT32 next_data_hdr; /* offset of next segment */ + }; + + /* rm index header -- this occurs before the start of index data */ + struct rm_index_hdr { + UINT32 id; /* unique identifier for this header */ + UINT32 size; /* size of header in file */ + UINT16 version; /* struct version */ + UINT32 num_recs; /* number of index records */ + UINT16 stream_num; /* stream number being indexed */ + UINT32 next_index_hdr; /* offset of next header */ + }; + + /* rm index record -- describes an index entry */ + struct rm_index_rec { + UINT16 version; /* record version */ + UINT32 timestamp; /* packet timestamp */ + UINT32 offset; /* offset of packet in file */ + UINT32 num_pkts; /* number of packets before this one in clip */ + }; + + /* rm packet header */ + struct rm_pkt_hdr_base { + UINT16 version; /* struct version */ + UINT16 length; /* length of header */ + }; + + struct rm_pkt_hdr { + UINT16 version; /* struct version */ + UINT16 length; /* length of header */ + UINT16 stream_num; /* stream number */ + UINT32 timestamp; /* packet timestamp */ + UINT16 flags; /* keyframe, etc. */ + BYTE header_len; + }; + + struct rm_pkt_hdr1 { + UINT16 version; /* struct version */ + UINT16 length; /* length of header */ + UINT16 stream_num; /* stream number */ + UINT32 timestamp; /* packet timestamp */ + UINT16 asm_rule; /* for surestream */ + BYTE asm_flags; + }; + + /* + * Internal struct which tracks stream info + */ + struct rm_seek_table_entry { + UINT32 ulTime; + UINT32 ulOffset; + }; + + struct rm_seek_table { + struct rm_seek_table_entry* pEntry; + UINT32 ulMaxEntries; + UINT32 ulNumEntries; + UINT32 ulLastTime; + UINT32 ulRangeTime; + UINT32 ulTimeGranularity; + }; + + struct rm_keyframe_packet { + UINT32 ulTimestamp; + UINT32 ulFileOffset; + HXBOOL bValid; + }; + + struct rm_stream_info { + UINT32 ulLastTimeStamp; + UINT32 ulLastRule; + struct rm_keyframe_packet keyFramePacket; + struct rm_seek_table seekTable; + HX_BITFIELD bIsRealAudio : 1; + HX_BITFIELD bIsRealVideo : 1; + HX_BITFIELD bIsRealEvent : 1; + HX_BITFIELD bStreamDone : 1; + HX_BITFIELD bNeedKeyframe : 1; + HX_BITFIELD bSeenFirstPacketTimeStamp : 1; + }; + + /* + * Parser struct + */ + typedef struct rm_parser_internal_struct { + rm_error_func_ptr fpError; + void* pUserError; + rm_malloc_func_ptr fpMalloc; + rm_free_func_ptr fpFree; + void* pUserMem; + rm_read_func_ptr fpRead; + rm_seek_func_ptr fpSeek; + void* pUserRead; + struct rm_file_hdr fileHdr; + struct rm_properties_hdr propHdr; + struct rm_content_hdr contHdr; + UINT32 ulNumStreams; + UINT32 ulNumMediaPropsHdrs; + UINT32 ulNumMediaPropsHdrsAlloc; + struct rm_media_props_hdr* pMediaPropsHdr; + UINT32 ulNumLogicalStreamHdrs; + struct rm_logical_stream_hdr* pLogicalStreamHdr; + struct rm_logical_stream_hdr* pLogicalFileInfo; + BYTE* pReadBuffer; /* Read buffer */ + UINT32 ulReadBufferSize; /* Allocated size of the read buffer */ + UINT32 ulNumBytesRead; /* Current number of bytes read into the buffer */ + UINT32 ulCurFileOffset; /* Current read offset into the file */ + UINT32 ulStreamNumMapSize; + UINT32* pulStreamNumMap; + UINT32 ulMaxDuration; + struct rm_stream_info* pStreamInfo; + struct rm_data_hdr* pDataHdr; + HXBOOL bIsRealDataType; + UINT32 ulMinFirstPacketTime; + rm_stream_header* pStreamHdr; + UINT32 ulKeyframesNeeded; + UINT32 ulInterleavedStreamsFlag; + UINT32 ulCurrentStream; + } rm_parser_internal; + + /* + * Internal parser functions + */ + HX_RESULT rm_parseri_unpack_generic_hdr(rm_parser_internal* pInt, struct rm_generic_hdr* h); + HX_RESULT rm_parseri_unpack_file_hdr(rm_parser_internal* pInt); + HX_RESULT rm_parseri_unpack_properties_hdr(rm_parser_internal* pInt); + HX_RESULT rm_parseri_unpack_content_hdr(rm_parser_internal* pInt); + void rm_parseri_cleanup_content_hdr(rm_parser_internal* pInt); + HX_RESULT rm_parseri_unpack_media_props_hdr(rm_parser_internal* pInt, + struct rm_media_props_hdr* h); + void rm_parseri_cleanup_media_props_hdr(rm_parser_internal* pInt, + struct rm_media_props_hdr* h); + void rm_parseri_cleanup_all_media_props_hdrs(rm_parser_internal* pInt); + HX_RESULT rm_parseri_unpack_name_value_map(rm_parser_internal* pInt, + struct rm_name_value_map* pMap, + BYTE** ppBuf, UINT32* pulLen); + void rm_parseri_cleanup_name_value_map(rm_parser_internal* pInt, + struct rm_name_value_map* h); + void rm_parseri_cleanup_all_name_value_maps(rm_parser_internal* pInt, + struct rm_logical_stream_hdr* h); + HX_RESULT rm_parseri_unpack_logical_stream_hdr(rm_parser_internal* pInt, + struct rm_media_props_hdr* mh, + struct rm_logical_stream_hdr* h); + UINT32 rm_parseri_get_num_logical_streams(rm_parser_internal* pInt); + HX_RESULT rm_parseri_unpack_all_logical_stream_hdrs(rm_parser_internal* pInt); + void rm_parseri_cleanup_logical_stream_hdr(rm_parser_internal* pInt, + struct rm_logical_stream_hdr* h); + void rm_parseri_cleanup_all_logical_stream_hdrs(rm_parser_internal* pInt); + HXBOOL rm_parseri_is_logical_fileinfo_present(rm_parser_internal* pInt, UINT32* pulIndx); + void rm_parseri_cleanup_logical_fileinfo_hdr(rm_parser_internal* pInt); + HX_RESULT rm_parseri_allocate_media_props_hdrs(rm_parser_internal* pInt); + void rm_parseri_cleanup_read_buffer(rm_parser_internal* pInt); + UINT32 rm_parseri_get_media_props_hdr_stream_num(rm_parser_internal* pInt); + HXBOOL rm_parseri_is_logical_stream_mime_type(const char* pszMimeType); + HXBOOL rm_parseri_is_logical_fileinfo_mime_type(const char* pszMimeType); + HX_RESULT rm_parseri_read_next_header(rm_parser_internal* pInt, UINT32* pulID); + HX_RESULT rm_parseri_setup_interleaved_streams(rm_parser_internal* pInt); + HX_RESULT rm_parseri_read_all_headers(rm_parser_internal* pInt); + UINT32 rm_parseri_get_num_file_properties(rm_parser_internal* pInt); + HX_RESULT rm_parseri_get_file_properties(rm_parser_internal* pInt, + rm_property* pProp, UINT32 ulNumProp); + HXBOOL rm_parseri_has_real_data_type(rm_parser_internal* pInt); + HX_RESULT rm_parseri_set_rm_property(rm_parser_internal* pInt, rm_property* pProp, + const char* pszName, UINT32 ulType, + void* pValue, UINT32 ulValueLen); + void rm_parseri_cleanup_rm_property(rm_parser_internal* pInt, rm_property* pProp); + void rm_parseri_cleanup_stream_num_map(rm_parser_internal* pInt); + void rm_parseri_cleanup_stream_info(rm_parser_internal* pInt, struct rm_stream_info* pInfo); + void rm_parseri_cleanup_stream_info_array(rm_parser_internal* pInt); + HX_RESULT rm_parseri_create_stream_structures(rm_parser_internal* pInt); + HX_RESULT rm_parseri_examine_initial_packets(rm_parser_internal* pInt, UINT32 StreamNum); + HX_RESULT rm_parseri_unpack_data_hdr(rm_parser_internal* pInt, UINT32 StreamNum); + HX_RESULT rm_parseri_unpack_pkt_hdr(rm_parser_internal* pInt, + struct rm_pkt_hdr* pPktHdr); + HX_RESULT rm_parseri_unpack_index_hdr(rm_parser_internal* pInt, + struct rm_index_hdr* hdr); + HX_RESULT rm_parseri_unpack_index_rec(rm_parser_internal* pInt, + struct rm_index_rec* rec); + HX_RESULT rm_parseri_read_next_index_rec(rm_parser_internal* pInt, + struct rm_index_rec* rec); + UINT32 rm_parseri_translate_stream_number(rm_parser_internal* pInt, UINT32 ulNum); + HX_RESULT rm_parseri_create_all_stream_headers(rm_parser_internal* pInt); + HX_RESULT rm_parseri_create_stream_header(rm_parser_internal* pInt, UINT32 i, + rm_stream_header* hdr); + void rm_parseri_cleanup_all_stream_headers(rm_parser_internal* pInt); + void rm_parseri_cleanup_stream_header(rm_parser_internal* pInt, rm_stream_header* hdr); + UINT32 rm_parseri_count_set_stream_header_props(rm_parser_internal* pInt, UINT32 i, + rm_stream_header* hdr, + rm_property* pProp, UINT32 ulNumProps); + char* rm_parseri_create_asm_rulebook(rm_parser_internal* pInt, HXBOOL bIsVideo, + HXBOOL bIsEvent, HXBOOL bHasOpaqueData, + UINT32 ulMaxBitRate, UINT32 ulAvgBitRate, + HXBOOL* pbHasPreDataProps); + HX_RESULT rm_parseri_read_next_packet(rm_parser_internal* pInt, rm_packet** ppPacket); + UINT32 rm_parseri_file_read(rm_parser_internal* pInt, UINT32 ulBytesToRead, UINT32 ulReadBufferOffset); + UINT32 rm_parseri_file_read_buffer(rm_parser_internal* pInt, BYTE* pBuf, UINT32 ulBytesToRead); + void rm_parseri_file_seek(rm_parser_internal* pInt, UINT32 ulOffset, UINT32 ulOrigin); + void rm_parseri_set_stream_size(rm_parser_internal* pInt, UINT32 stream_size); + HX_RESULT rm_parseri_copy_stream_header(rm_parser_internal* pInt, UINT32 i, rm_stream_header* pHdr); + HX_RESULT rm_parseri_update_seek_table(rm_parser_internal* pInt, UINT32 ulStreamNum, + UINT32 ulTime, UINT32 ulOffset, UINT32 ulFlags); + HX_RESULT rm_parseri_update_time_range(rm_parser_internal* pInt, UINT32 ulStreamNum, + UINT32 ulTime); + HX_RESULT rm_parseri_search_all_seek_tables(rm_parser_internal* pInt, UINT32 ulSeekTime, + UINT32* pulFoundTime, UINT32* pulFoundOffset); + HX_RESULT rm_parseri_search_seek_table(struct rm_seek_table* pTable, UINT32 ulSeekTime, INT32 lDirection, + UINT32* pulFoundTime, UINT32* pulFoundOffset, UINT32* pulFoundIndex); + HX_RESULT rm_parseri_search_index_chunk(rm_parser_internal* pInt, UINT32 ulSeekTime); + HX_RESULT rm_parseri_seek(rm_parser_internal* pInt, UINT32 ulSeekTime); + HXBOOL rm_parseri_is_all_keyframes_found(rm_parser_internal* pInt); + HXBOOL rm_parseri_is_a_keyframe_found(rm_parser_internal* pInt); + HX_RESULT rm_parseri_find_first_packet_after_seek_time(rm_parser_internal* pInt, + UINT32 ulSeekTime, + UINT32 ulInitialOffset); + HX_RESULT rm_parseri_find_first_keyframe(rm_parser_internal* pInt); + void* rm_parseri_malloc(rm_parser_internal* pInt, UINT32 ulSize); + void rm_parseri_free(rm_parser_internal* pInt, void* pMem); + void rm_parseri_error(rm_parser_internal* pInt, HX_RESULT err, const char* pszMsg); + + HX_RESULT rm_parseri_build_seek_table(rm_parser_internal* pInt); + HX_RESULT rm_parseri_search_seek_tables(rm_parser_internal* pInt, + INT32 lStreamNumber, + UINT32 ulSeekTime, + INT32 lDirection, + UINT32* pulFoundTime, + UINT32* pulFoundOffset, + UINT32* pulFoundIndex); + UINT32 rm_parseri_get_stream_number(rm_parser_internal* pInt, UINT32 ulNum); + void rm_parseri_cleanup_all_data_headers(rm_parser_internal* pInt); +#ifdef __cplusplus +} +#endif + +#endif /* #ifndef RM_PARSER_INTERNAL_H */ diff --git a/audio_codec/libraac/rm_property.c b/audio_codec/libraac/rm_property.c new file mode 100644 index 0000000..db0ab6f --- a/dev/null +++ b/audio_codec/libraac/rm_property.c @@ -0,0 +1,105 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_property.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include "../include/helix_types.h" +#include "../include/rm_property.h" + +const char* rm_property_get_name(rm_property* prop) +{ + const char* pRet = HXNULL; + + if (prop) { + pRet = (const char*) prop->pName; + } + + return pRet; +} + +UINT32 rm_property_get_type(rm_property* prop) +{ + UINT32 ulRet = 0; + + if (prop) { + ulRet = prop->ulType; + } + + return ulRet; +} + +UINT32 rm_property_get_value_uint32(rm_property* prop) +{ + UINT32 ulRet = 0; + + if (prop) { + ulRet = (UINT32) prop->pValue; + } + + return ulRet; +} + +const char* rm_property_get_value_cstring(rm_property* prop) +{ + const char* pRet = HXNULL; + + if (prop) { + pRet = (const char*) prop->pValue; + } + + return pRet; +} + +UINT32 rm_property_get_value_buffer_length(rm_property* prop) +{ + UINT32 ulRet = 0; + + if (prop) { + ulRet = prop->ulValueLen; + } + + return ulRet; +} + +BYTE* rm_property_get_value_buffer(rm_property* prop) +{ + BYTE* pRet = HXNULL; + + if (prop) { + pRet = prop->pValue; + } + + return pRet; +} diff --git a/audio_codec/libraac/rm_stream.c b/audio_codec/libraac/rm_stream.c new file mode 100644 index 0000000..47c1ff0 --- a/dev/null +++ b/audio_codec/libraac/rm_stream.c @@ -0,0 +1,356 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rm_stream.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "../include/helix_types.h" +#include "../include/helix_mime_types.h" +#include "../include/rm_property.h" +#include "../include/rm_stream.h" + +UINT32 rm_stream_get_number(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulStreamNumber; + } + + return ulRet; +} + +UINT32 rm_stream_get_max_bit_rate(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulMaxBitRate; + } + + return ulRet; +} + +UINT32 rm_stream_get_avg_bit_rate(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulAvgBitRate; + } + + return ulRet; +} + +UINT32 rm_stream_get_max_packet_size(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulMaxPacketSize; + } + + return ulRet; +} + +UINT32 rm_stream_get_avg_packet_size(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulAvgPacketSize; + } + + return ulRet; +} + +UINT32 rm_stream_get_start_time(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulStartTime; + } + + return ulRet; +} + +UINT32 rm_stream_get_preroll(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulPreroll; + } + + return ulRet; +} + +UINT32 rm_stream_get_duration(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulDuration; + } + + return ulRet; +} + +UINT32 rm_stream_get_data_offset(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulStartOffset; + } + + return ulRet; +} + +UINT32 rm_stream_get_data_size(rm_stream_header* hdr) +{ + UINT32 ulRet = 0; + + if (hdr) { + ulRet = hdr->ulStreamSize; + } + + return ulRet; +} + +const char* rm_stream_get_name(rm_stream_header* hdr) +{ + const char* pRet = HXNULL; + + if (hdr) { + pRet = (const char*) hdr->pStreamName; + } + + return pRet; +} + +const char* rm_stream_get_mime_type(rm_stream_header* hdr) +{ + const char* pRet = HXNULL; + + if (hdr) { + pRet = (const char*) hdr->pMimeType; + } + + return pRet; +} + +UINT32 rm_stream_get_properties(rm_stream_header* hdr, rm_property** ppProp) +{ + UINT32 ulRet = 0; + + if (hdr && ppProp) { + *ppProp = hdr->pProperty; + ulRet = hdr->ulNumProperties; + } + + return ulRet; +} + +HXBOOL rm_stream_is_realaudio(rm_stream_header* hdr) +{ + HXBOOL bRet = FALSE; + + if (hdr) { + bRet = rm_stream_is_realaudio_mimetype((const char*) hdr->pMimeType); + } + + return bRet; +} + +HXBOOL rm_stream_is_realvideo(rm_stream_header* hdr) +{ + HXBOOL bRet = FALSE; + + if (hdr) { + bRet = rm_stream_is_realvideo_mimetype((const char*) hdr->pMimeType); + } + + return bRet; +} + +HXBOOL rm_stream_is_realevent(rm_stream_header* hdr) +{ + HXBOOL bRet = FALSE; + + if (hdr) { + bRet = rm_stream_is_realevent_mimetype((const char*) hdr->pMimeType); + } + + return bRet; +} + +HXBOOL rm_stream_is_realaudio_mimetype(const char* pszStr) +{ + HXBOOL bRet = FALSE; + + if (pszStr) { + if (!strcmp(pszStr, REALAUDIO_MIME_TYPE) || + !strcmp(pszStr, REALAUDIO_MULTIRATE_MIME_TYPE) || + !strcmp(pszStr, REALAUDIO_ENCRYPTED_MIME_TYPE)) { + bRet = TRUE; + } + } + + return bRet; +} + +HXBOOL rm_stream_is_realvideo_mimetype(const char* pszStr) +{ + HXBOOL bRet = FALSE; + + if (pszStr) { + if (!strcmp(pszStr, REALVIDEO_MIME_TYPE) || + !strcmp(pszStr, REALVIDEO_MULTIRATE_MIME_TYPE) || + !strcmp(pszStr, REALVIDEO_ENCRYPTED_MIME_TYPE)) { + bRet = TRUE; + } + } + + return bRet; +} + +HXBOOL rm_stream_is_realevent_mimetype(const char* pszStr) +{ + HXBOOL bRet = FALSE; + + if (pszStr) { + if (!strcmp(pszStr, REALEVENT_MIME_TYPE) || + !strcmp(pszStr, REALEVENT_ENCRYPTED_MIME_TYPE) || + !strcmp(pszStr, REALIMAGEMAP_MIME_TYPE) || + !strcmp(pszStr, REALIMAGEMAP_ENCRYPTED_MIME_TYPE) || + !strcmp(pszStr, IMAGEMAP_MIME_TYPE) || + !strcmp(pszStr, IMAGEMAP_ENCRYPTED_MIME_TYPE) || + !strcmp(pszStr, SYNCMM_MIME_TYPE) || + !strcmp(pszStr, SYNCMM_ENCRYPTED_MIME_TYPE)) { + bRet = TRUE; + } + } + + return bRet; +} + +HXBOOL rm_stream_is_real_mimetype(const char* pszStr) +{ + return rm_stream_is_realaudio_mimetype(pszStr) || + rm_stream_is_realvideo_mimetype(pszStr) || + rm_stream_is_realevent_mimetype(pszStr); +} + +HX_RESULT rm_stream_get_property_int(rm_stream_header* hdr, + const char* pszStr, + UINT32* pulVal) +{ + HX_RESULT retVal = HXR_FAIL; + + if (hdr && pszStr && pulVal && + hdr->pProperty && hdr->ulNumProperties) { + UINT32 i = 0; + for (i = 0; i < hdr->ulNumProperties; i++) { + rm_property* pProp = &hdr->pProperty[i]; + if (pProp->ulType == RM_PROPERTY_TYPE_UINT32 && + pProp->pName && + !strcmp(pszStr, (const char*) pProp->pName)) { + /* Assign the out parameter */ + *pulVal = (UINT32) pProp->pValue; + /* Clear the return value */ + retVal = HXR_OK; + break; + } + } + } + + return retVal; +} + +HX_RESULT rm_stream_get_property_buf(rm_stream_header* hdr, + const char* pszStr, + BYTE** ppBuf, + UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (hdr && pszStr && ppBuf && pulLen && + hdr->pProperty && hdr->ulNumProperties) { + UINT32 i = 0; + for (i = 0; i < hdr->ulNumProperties; i++) { + rm_property* pProp = &hdr->pProperty[i]; + if (pProp->ulType == RM_PROPERTY_TYPE_BUFFER && + pProp->pName && + !strcmp(pszStr, (const char*) pProp->pName)) { + /* Assign the out parameters */ + *ppBuf = pProp->pValue; + *pulLen = pProp->ulValueLen; + /* Clear the return value */ + retVal = HXR_OK; + break; + } + } + } + + return retVal; +} + +HX_RESULT rm_stream_get_property_str(rm_stream_header* hdr, + const char* pszStr, + char** ppszStr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (hdr && pszStr && ppszStr && + hdr->pProperty && hdr->ulNumProperties) { + UINT32 i = 0; + for (i = 0; i < hdr->ulNumProperties; i++) { + rm_property* pProp = &hdr->pProperty[i]; + if (pProp->ulType == RM_PROPERTY_TYPE_CSTRING && + pProp->pName && + !strcmp(pszStr, (const char*) pProp->pName)) { + /* Assign the out parameter */ + *ppszStr = (char*) pProp->pValue; + /* Clear the return value */ + retVal = HXR_OK; + break; + } + } + } + + return retVal; +} diff --git a/audio_codec/libraac/rv_depack.c b/audio_codec/libraac/rv_depack.c new file mode 100644 index 0000000..00a4374 --- a/dev/null +++ b/audio_codec/libraac/rv_depack.c @@ -0,0 +1,271 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_depack.c,v 1.1.1.1.2.1 2005/05/04 18:21:20 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "../include/helix_types.h" +#include "../include/helix_result.h" +#include "../include/rv_depack.h" +#include "rv_depack_internal.h" +#include "../include/rm_memory_default.h" +#include "../include/rm_error_default.h" +#include "../include/memory_utils.h" + +rv_depack* rv_depack_create(void* pAvail, + rv_frame_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError) +{ + return rv_depack_create2(pAvail, + fpAvail, + pUserError, + fpError, + HXNULL, + rm_memory_default_malloc, + rm_memory_default_free); +} + +rv_depack* rv_depack_create2(void* pAvail, + rv_frame_avail_func_ptr fpAvail, + void* pUserError, + rm_error_func_ptr fpError, + void* pUserMem, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree) +{ + rv_depack* pRet = HXNULL; + + if (fpAvail && fpMalloc && fpFree) { + /* Allocate space for the rv_depack_internal struct + * by using the passed-in malloc function + */ + rv_depack_internal* pInt = + (rv_depack_internal*) fpMalloc(pUserMem, sizeof(rv_depack_internal)); + if (pInt) { + /* Zero out the struct */ + memset((void*) pInt, 0, sizeof(rv_depack_internal)); + /* Assign the frame callback members */ + pInt->pAvail = pAvail; + pInt->fpAvail = fpAvail; + /* + * Assign the error members. If the caller did not + * provide an error callback, then use the default + * rm_error_default(). + */ + if (fpError) { + pInt->fpError = fpError; + pInt->pUserError = pUserError; + } else { + pInt->fpError = rm_error_default; + pInt->pUserError = HXNULL; + } + /* Assign the memory functions */ + pInt->fpMalloc = fpMalloc; + pInt->fpFree = fpFree; + pInt->pUserMem = pUserMem; + /* Assign the return value */ + pRet = (rv_depack*) pInt; + } + } + + return pRet; +} + +HX_RESULT rv_depack_init(rv_depack* pDepack, rm_stream_header* header) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack && header) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + /* Call the internal init */ + retVal = rv_depacki_init(pInt, header); + } + + return retVal; +} + +UINT32 rv_depack_get_num_substreams(rv_depack* pDepack) +{ + UINT32 ulRet = 0; + + if (pDepack) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + /* Return the number of substreams */ + ulRet = pInt->multiStreamHdr.ulNumSubStreams; + } + + return ulRet; +} + +UINT32 rv_depack_get_codec_4cc(rv_depack* pDepack) +{ + UINT32 ulRet = 0; + + if (pDepack) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + if (pInt->pSubStreamHdr && + pInt->ulActiveSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Copy the subMOF tag */ + ulRet = pInt->pSubStreamHdr[pInt->ulActiveSubStream].ulSubMOFTag; + } + } + + return ulRet; +} + +HX_RESULT rv_depack_get_codec_init_info(rv_depack* pDepack, rv_format_info** ppInfo) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack && ppInfo) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + if (pInt->pSubStreamHdr && + pInt->ulActiveSubStream < pInt->multiStreamHdr.ulNumSubStreams) { + /* Clean up any existing format info */ + rv_depacki_cleanup_format_info(pInt, *ppInfo); + /* Allocate memory for the format info */ + *ppInfo = rv_depacki_malloc(pInt, sizeof(rv_format_info)); + if (*ppInfo) { + /* NULL out the memory */ + memset(*ppInfo, 0, sizeof(rv_format_info)); + /* Make a deep copy of the format info */ + retVal = rv_depacki_copy_format_info(pInt, + &pInt->pSubStreamHdr[pInt->ulActiveSubStream], + *ppInfo); + } + } + } + + return retVal; +} + +void rv_depack_destroy_codec_init_info(rv_depack* pDepack, rv_format_info** ppInfo) +{ + if (pDepack && ppInfo && *ppInfo) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + /* Clean up the format info's internal allocs */ + rv_depacki_cleanup_format_info(pInt, *ppInfo); + /* NULL it out */ + memset(*ppInfo, 0, sizeof(rv_format_info)); + /* Delete the memory associated with it */ + rv_depacki_free(pInt, *ppInfo); + /* NULL the pointer out */ + *ppInfo = HXNULL; + } +} + +HX_RESULT rv_depack_add_packet(rv_depack* pDepack, rm_packet* packet) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack && packet) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + /* Call the internal function */ + retVal = rv_depacki_add_packet(pInt, packet); + } + + return retVal; +} + +void rv_depack_destroy_frame(rv_depack* pDepack, rv_frame** ppFrame) +{ + if (pDepack && ppFrame && *ppFrame) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + /* Call the internal function */ + rv_depacki_cleanup_frame(pInt, ppFrame); + } +} + +HX_RESULT rv_depack_seek(rv_depack* pDepack, UINT32 ulTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pDepack) { + /* Get the internal struct */ + rv_depack_internal* pInt = (rv_depack_internal*) pDepack; + /* Call the internal function */ + retVal = rv_depacki_seek(pInt, ulTime); + } + + return retVal; +} + +void rv_depack_destroy(rv_depack** ppDepack) +{ + if (ppDepack) { + rv_depack_internal* pInt = (rv_depack_internal*) * ppDepack; + if (pInt && pInt->fpFree) { + /* Save a pointer to fpFree and pUserMem */ + rm_free_func_ptr fpFree = pInt->fpFree; + void* pUserMem = pInt->pUserMem; + /* Clean up the rule to flag map */ + if (pInt->rule2Flag.pulMap) { + rv_depacki_free(pInt, pInt->rule2Flag.pulMap); + pInt->rule2Flag.pulMap = HXNULL; + pInt->rule2Flag.ulNumRules = 0; + } + /* Clean up the rule to header map */ + if (pInt->multiStreamHdr.rule2SubStream.pulMap) { + rv_depacki_free(pInt, pInt->multiStreamHdr.rule2SubStream.pulMap); + pInt->multiStreamHdr.rule2SubStream.pulMap = HXNULL; + pInt->multiStreamHdr.rule2SubStream.ulNumRules = 0; + } + /* Clean up the format info array */ + rv_depacki_cleanup_format_info_array(pInt); + /* Clean up ignore header array */ + if (pInt->bIgnoreSubStream) { + rv_depacki_free(pInt, pInt->bIgnoreSubStream); + pInt->bIgnoreSubStream = HXNULL; + } + /* Clean up any current frame */ + rv_depacki_cleanup_frame(pInt, &pInt->pCurFrame); + /* Null everything out */ + memset(pInt, 0, sizeof(rv_depack_internal)); + /* Free the rm_parser_internal struct memory */ + fpFree(pUserMem, pInt); + /* NULL out the pointer */ + *ppDepack = HXNULL; + } + } +} + diff --git a/audio_codec/libraac/rv_depack_internal.c b/audio_codec/libraac/rv_depack_internal.c new file mode 100644 index 0000000..d351c8d --- a/dev/null +++ b/audio_codec/libraac/rv_depack_internal.c @@ -0,0 +1,1071 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_depack_internal.c,v 1.1.1.1.2.1 2005/05/04 18:21:20 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include +#include +//#include "includes.h" +#include "../include/helix_types.h" +#include "../include/helix_result.h" +#include "../include/pack_utils.h" +#include "../include/string_utils.h" +#include "../include/memory_utils.h" +#include "../include/packet_defines.h" +#include "../include/codec_defines.h" +#include "../include/stream_hdr_structs.h" +#include "../include/stream_hdr_utils.h" +#include "rv_depack_internal.h" + +#define RM_MAX_UINT14 0x00003FFF +#define RM_MAX_UINT30 0x3FFFFFFF +#define MAX_INTERNAL_TIMESTAMP_DELTA 60000 + +void* rv_depacki_malloc(rv_depack_internal* pInt, UINT32 ulSize) +{ + void* pRet = HXNULL; + + if (pInt && pInt->fpMalloc) { + pRet = pInt->fpMalloc(pInt->pUserMem, ulSize); + } + + return pRet; +} + +void rv_depacki_free(rv_depack_internal* pInt, void* pMem) +{ + if (pInt && pInt->fpFree) { + pInt->fpFree(pInt->pUserMem, pMem); + } +} + +HX_RESULT rv_depacki_init(rv_depack_internal* pInt, rm_stream_header* hdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && hdr) { + /* Initialize local variables */ + UINT32 ulTmp = 0; + BYTE* pTmp = HXNULL; + UINT32 i = 0; + /* Check if we have a "HasRelativeTS" property - OK if we don't */ + if (HX_SUCCEEDED(rm_stream_get_property_int(hdr, "HasRelativeTS", &ulTmp))) { + pInt->bHasRelativeTimeStamps = (ulTmp ? TRUE : FALSE); + } + /* Check if we have a "ZeroTimeOffset" property - OK if we don't */ + if (HX_SUCCEEDED(rm_stream_get_property_int(hdr, "ZeroTimeOffset", &ulTmp))) { + pInt->ulZeroTimeOffset = ulTmp; + } + /* Check if we have a "RMFF 1.0 Flags" property */ + retVal = rm_stream_get_property_buf(hdr, "RMFF 1.0 Flags", &pTmp, &ulTmp); + if (retVal == HXR_OK) { + /* Unpack the rule2Flag map */ + rv_depacki_unpack_rule_map(pInt, &pInt->rule2Flag, &pTmp, &ulTmp); + /* Check if we have an "OpaqueData" property */ + retVal = rm_stream_get_property_buf(hdr, "OpaqueData", &pTmp, &ulTmp); + if (retVal == HXR_OK) { + /* Unpack the opaque data */ + retVal = rv_depacki_unpack_opaque_data(pInt, pTmp, ulTmp); + if (retVal == HXR_OK) { + /* + * Now that we've parsed all the headers, we need + * to see if there are any that need to be ignored. + * To do this, we parse the rules in the ASMRuleBook, + * and any rules that have "$OldPNMPlayer" as an expression, + * we will ignore. + */ + retVal = rv_depacki_check_rule_book(pInt, hdr); + if (retVal == HXR_OK) { + /* + * Now select the first non-ignored substream. If + * we are not surestream, this of course will be zero. + */ + pInt->ulActiveSubStream = 0; + if (pInt->bStreamSwitchable) { + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams; i++) { + if (!pInt->bIgnoreSubStream[i]) { + pInt->ulActiveSubStream = i; + break; + } + } + } + } + } + } + } + } + + return retVal; +} + +HX_RESULT rv_depacki_unpack_rule_map(rv_depack_internal* pInt, + rm_rule_map* pMap, + BYTE** ppBuf, + UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + retVal = rm_unpack_rule_map(ppBuf, pulLen, + pInt->fpMalloc, + pInt->fpFree, + pInt->pUserMem, + pMap); + } + + return retVal; +} + +HX_RESULT rv_depacki_unpack_multistream_hdr(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + retVal = rm_unpack_multistream_hdr(ppBuf, pulLen, + pInt->fpMalloc, + pInt->fpFree, + pInt->pUserMem, + &pInt->multiStreamHdr); + } + + return retVal; +} + +HX_RESULT rv_depacki_unpack_opaque_data(rv_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pBuf && ulLen >= 4) { + /* Initialize local variables */ + UINT32 ulSize = 0; + UINT32 ulID = 0; + UINT32 i = 0; + /* + * If the first four bytes are MLTI, then we + * know the opaque data contains a multistream header + * followed by several normal headers. So first we + * need to check the first four bytes. + */ + ulID = rm_unpack32(&pBuf, &ulLen); + /* Now back up 4 bytes */ + pBuf -= 4; + ulLen += 4; + /* Is this a multistream header? */ + if (ulID == RM_MULTIHEADER_OBJECT) { + /* Unpack the multistream header */ + retVal = rv_depacki_unpack_multistream_hdr(pInt, &pBuf, &ulLen); + if (retVal == HXR_OK) { + pInt->bStreamSwitchable = TRUE; + } + } else { + /* Single-rate stream */ + pInt->multiStreamHdr.ulNumSubStreams = 1; + /* Clear the stream switchable flag */ + pInt->bStreamSwitchable = FALSE; + /* Clear the return value */ + retVal = HXR_OK; + } + /* Clean up any existing substream header array */ + rv_depacki_cleanup_format_info_array(pInt); + /* Set the return value */ + retVal = HXR_FAIL; + /* Allocate space for substream header array */ + ulSize = pInt->multiStreamHdr.ulNumSubStreams * sizeof(rv_format_info); + pInt->pSubStreamHdr = (rv_format_info*) rv_depacki_malloc(pInt, ulSize); + if (pInt->pSubStreamHdr) { + /* NULL out the memory */ + memset(pInt->pSubStreamHdr, 0, ulSize); + /* Clear the return value */ + retVal = HXR_OK; + /* Loop through and unpack each substream header */ + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams && retVal == HXR_OK; i++) { + /* Is this a multiheader? */ + if (pInt->bStreamSwitchable) { + /* + * If this is a multistream header, then there + * is a 4-byte length in front of every substream header + */ + if (ulLen >= 4) { + ulSize = rm_unpack32(&pBuf, &ulLen); + } else { + retVal = HXR_FAIL; + } + } + /* Now unpack an substream header */ + retVal = rv_depacki_unpack_format_info(pInt, + &pInt->pSubStreamHdr[i], + &pBuf, &ulLen); + } + } + } + + return retVal; +} + +void rv_depacki_cleanup_format_info(rv_depack_internal* pInt, + rv_format_info* pInfo) +{ + if (pInt && pInfo && pInfo->pOpaqueData) { + rv_depacki_free(pInt, pInfo->pOpaqueData); + pInfo->pOpaqueData = HXNULL; + pInfo->ulOpaqueDataSize = 0; + } +} + +void rv_depacki_cleanup_format_info_array(rv_depack_internal* pInt) +{ + if (pInt && pInt->pSubStreamHdr) { + /* Clean up each individual rv_format_info */ + UINT32 i = 0; + for (i = 0; i < pInt->multiStreamHdr.ulNumSubStreams; i++) { + rv_depacki_cleanup_format_info(pInt, &pInt->pSubStreamHdr[i]); + } + /* Clean up the array */ + rv_depacki_free(pInt, pInt->pSubStreamHdr); + pInt->pSubStreamHdr = HXNULL; + } +} + +HX_RESULT rv_depacki_unpack_format_info(rv_depack_internal* pInt, + rv_format_info* pInfo, + BYTE** ppBuf, + UINT32* pulLen) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInfo && ppBuf && *ppBuf && pulLen && *pulLen >= 26) { + /* Clean up any existing opaque data */ + rv_depacki_cleanup_format_info(pInt, pInfo); + /* Unpack the format info struct */ + pInfo->ulLength = rm_unpack32(ppBuf, pulLen); + pInfo->ulMOFTag = rm_unpack32(ppBuf, pulLen); + pInfo->ulSubMOFTag = rm_unpack32(ppBuf, pulLen); + pInfo->usWidth = rm_unpack16(ppBuf, pulLen); + pInfo->usHeight = rm_unpack16(ppBuf, pulLen); + pInfo->usBitCount = rm_unpack16(ppBuf, pulLen); + pInfo->usPadWidth = rm_unpack16(ppBuf, pulLen); + pInfo->usPadHeight = rm_unpack16(ppBuf, pulLen); + pInfo->ufFramesPerSecond = rm_unpack32(ppBuf, pulLen); + /* Fix up the subMOF tag */ + if (pInfo->ulSubMOFTag == HX_RVTRVIDEO_ID) { + pInfo->ulSubMOFTag = HX_RV20VIDEO_ID; + } else if (pInfo->ulSubMOFTag == HX_RVTR_RV30_ID) { + pInfo->ulSubMOFTag = HX_RV30VIDEO_ID; + } + /* Compute the size of the opaque data */ + pInfo->ulOpaqueDataSize = pInfo->ulLength - 26; + /* Make sure we have enough left in the parsing buffer */ + if (*pulLen >= pInfo->ulOpaqueDataSize) { + /* Allocate a buffer of this size */ + pInfo->pOpaqueData = (BYTE*) rv_depacki_malloc(pInt, pInfo->ulOpaqueDataSize); + if (pInfo->pOpaqueData) { + /* Copy the buffer */ + memcpy(pInfo->pOpaqueData, *ppBuf, pInfo->ulOpaqueDataSize); + /* Advance the buffer */ + *ppBuf += pInfo->ulOpaqueDataSize; + *pulLen -= pInfo->ulOpaqueDataSize; + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + + return retVal; +} + +HX_RESULT rv_depacki_check_rule_book(rv_depack_internal* pInt, rm_stream_header* hdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && hdr) { + UINT32 ulSize = 0; + HXBOOL* pTmp = HXNULL; + char* pszRuleBook = HXNULL; + char* pStr = HXNULL; + char* pStrLimit = HXNULL; + UINT32 ulRule = 0; + UINT32 ulSubStream = 0; + const char* pszPNMStr = "$OldPNMPlayer"; + UINT32 ulPNMStrLen = strlen(pszPNMStr); + UINT32 ulNumRules = pInt->multiStreamHdr.rule2SubStream.ulNumRules; + UINT32 ulNumSubStreams = pInt->multiStreamHdr.ulNumSubStreams; + /* Is this SureStream? */ + if (pInt->bStreamSwitchable) { + /* Get the ASM Rule book */ + retVal = rm_stream_get_property_str(hdr, "ASMRuleBook", &pszRuleBook); + if (retVal == HXR_OK) { + /* Allocate space for the ignore header flags */ + ulSize = ulNumSubStreams * sizeof(HXBOOL); + pInt->bIgnoreSubStream = (HXBOOL*) rv_depacki_malloc(pInt, ulSize); + if (pInt->bIgnoreSubStream) { + /* NULL out the memory */ + memset(pInt->bIgnoreSubStream, 0, ulSize); + /* Allocate space for temporary boolean array */ + ulSize = ulNumRules * sizeof(HXBOOL); + pTmp = (HXBOOL*) rv_depacki_malloc(pInt, ulSize); + if (pTmp) { + /* NULL out the array */ + memset(pTmp, 0, ulSize); + /* Parse the string */ + pStr = pszRuleBook; + pStrLimit = pszRuleBook + strlen(pszRuleBook); + ulRule = 0; + while (pStr < pStrLimit && *pStr) { + while (pStr < pStrLimit && *pStr != ';') { + /* ignore quoted strings */ + if (*pStr == '"') { + /* step past open quote */ + pStr++; + /* ignore the string */ + while (pStr < pStrLimit && *pStr != '"') { + pStr++; + } + /* step past end quote occurs at bottom of while !';' loop. */ + } + + if (pStr + ulPNMStrLen < pStrLimit && *pStr == '$') { + /* check to see if we have a $OldPNMPlayer variable */ + if (!strncasecmp(pszPNMStr, pStr, ulPNMStrLen)) { + pStr += ulPNMStrLen; + pTmp[ulRule] = TRUE; + } + } + pStr++; + } + /* step past the ';' */ + pStr++; + /* next rule */ + ulRule++; + } + /* + * Now if pTmp[i] == TRUE, then we should ignore the + * substreams which correspond to rule i + */ + for (ulRule = 0; ulRule < ulNumRules; ulRule++) { + ulSubStream = rv_depacki_rule_to_substream(pInt, ulRule); + if (ulSubStream < ulNumSubStreams) { + pInt->bIgnoreSubStream[ulSubStream] = pTmp[ulRule]; + } + } + } + } + } + } else { + /* Not an error */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rv_depacki_copy_format_info(rv_depack_internal* pInt, + rv_format_info* pSrc, + rv_format_info* pDst) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pSrc && pDst) { + /* Clean up any existing format info */ + rv_depacki_cleanup_format_info(pInt, pDst); + /* Copy the members */ + pDst->ulLength = pSrc->ulLength; + pDst->ulMOFTag = pSrc->ulMOFTag; + pDst->ulSubMOFTag = pSrc->ulSubMOFTag; + pDst->usWidth = pSrc->usWidth; + pDst->usHeight = pSrc->usHeight; + pDst->usBitCount = pSrc->usBitCount; + pDst->usPadWidth = pSrc->usPadWidth; + pDst->usPadHeight = pSrc->usPadHeight; + pDst->ufFramesPerSecond = pSrc->ufFramesPerSecond; + pDst->ulOpaqueDataSize = pSrc->ulOpaqueDataSize; + /* Copy the opaque data buffer */ + pDst->pOpaqueData = copy_buffer(pInt->pUserMem, + pInt->fpMalloc, + pSrc->pOpaqueData, + pSrc->ulOpaqueDataSize); + if (pDst->pOpaqueData) { + /* Clear the return value */ + retVal = HXR_OK; + } + } + + return retVal; +} + +HX_RESULT rv_depacki_add_packet(rv_depack_internal* pInt, + rm_packet* pPacket) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pPacket) { + /* Init local variables */ + BYTE* pBuf = pPacket->pData; + UINT32 ulLen = (UINT32) pPacket->usDataLen; + UINT32 ulSubStream = 0; + rv_frame_hdr hdr; + /* Clear the return value */ + retVal = HXR_OK; + /* Make sure we are not ignoring this substream */ + ulSubStream = rv_depacki_rule_to_substream(pInt, pPacket->ucASMRule); + if (!pInt->bStreamSwitchable || + !pInt->bIgnoreSubStream[ulSubStream]) { + /* Loop through the packet buffer */ + while (ulLen && retVal == HXR_OK) { + /* Parse the current point in the packet buffer */ + retVal = rv_depacki_parse_frame_header(pInt, &pBuf, &ulLen, pPacket, &hdr); + if (retVal == HXR_OK) { + /* Switch based on frame header type */ + switch (hdr.eType) { + case RVFrameTypePartial: + case RVFrameTypeLastPartial: + retVal = rv_depacki_handle_partial(pInt, &pBuf, &ulLen, pPacket, &hdr); + break; + case RVFrameTypeMultiple: + case RVFrameTypeWhole: + retVal = rv_depacki_handle_one_frame(pInt, &pBuf, &ulLen, pPacket, &hdr); + break; + } + } + } + } + } + + return retVal; +} + +UINT32 rv_depacki_rule_to_flags(rv_depack_internal* pInt, UINT32 ulRule) +{ + UINT32 ulRet = 0; + + if (pInt && + pInt->rule2Flag.pulMap && + ulRule < pInt->rule2Flag.ulNumRules) { + ulRet = pInt->rule2Flag.pulMap[ulRule]; + } + + return ulRet; +} + +UINT32 rv_depacki_rule_to_substream(rv_depack_internal* pInt, UINT32 ulRule) +{ + UINT32 ulRet = 0; + + if (pInt && + pInt->multiStreamHdr.rule2SubStream.pulMap && + ulRule < pInt->multiStreamHdr.rule2SubStream.ulNumRules) { + ulRet = pInt->multiStreamHdr.rule2SubStream.pulMap[ulRule]; + } + + return ulRet; +} + +HX_RESULT rv_depacki_parse_frame_header(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && ppBuf && pulLen && pFrameHdr && *pulLen >= 2 && + *ppBuf >= pPacket->pData && + *ppBuf < pPacket->pData + pPacket->usDataLen) { + /* Initialize local variables */ + UINT32 ulTmp = 0; + HXBOOL bTmp = FALSE; + UINT32 ulOrigPacketTimeStamp = 0; + UINT32 ulClippedPacketTS = 0; + UINT32 ulDelta = 0; + BYTE* pBufAtStart = *ppBuf; + /* Set the offset of the header in the packet */ + pFrameHdr->ulHeaderOffset = pBufAtStart - pPacket->pData; + /* Parse the RVFrameType */ + pFrameHdr->eType = (RVFrameType)((pBufAtStart[0] & 0xC0) >> 6); + /* Switch based on frame type */ + switch (pFrameHdr->eType) { + case RVFrameTypePartial: + case RVFrameTypeLastPartial: + /* Unpack the bit field */ + ulTmp = rm_unpack16(ppBuf, pulLen); + pFrameHdr->ulNumPackets = ((ulTmp & 0x00003F80) >> 7); + pFrameHdr->ulPacketNum = (ulTmp & 0x0000007F); + /* Read the frame size */ + retVal = rv_depacki_read_14_or_30(ppBuf, pulLen, + &pFrameHdr->bBrokenUpByUs, + &pFrameHdr->ulFrameSize); + if (retVal == HXR_OK) { + /* Read the partial size or offset */ + ulTmp = 0; + retVal = rv_depacki_read_14_or_30(ppBuf, pulLen, &bTmp, &ulTmp); + if (retVal == HXR_OK) { + /* Make sure we have one byte */ + if (*pulLen >= 1) { + /* Get the sequence number */ + pFrameHdr->ulSeqNum = rm_unpack8(ppBuf, pulLen); + /* Assign the timestamp */ + pFrameHdr->ulTimestamp = pPacket->ulTime; + /* Compute the header size */ + pFrameHdr->ulHeaderSize = *ppBuf - pBufAtStart; + /* Assign the partial frame size and the partial frame offset. */ + if (pFrameHdr->eType == RVFrameTypePartial) { + /* + * For partial frames the partial_size_or_offset + * member contains the offset into the frame. The size + * of the partial frame is just the amount of data + * in the packet minus the header size. + */ + pFrameHdr->ulPartialFrameOffset = ulTmp; + pFrameHdr->ulPartialFrameSize = ((UINT32) pPacket->usDataLen) - + pFrameHdr->ulHeaderSize; + } else { + /* + * For last-partial frames, there could be other frame + * data after this, so the partial_size_or_offset field + * contains the partial frame size, not offset. We then + * compute the offset by subtracting the overall frame + * size from the partial frame size. + */ + pFrameHdr->ulPartialFrameSize = ulTmp; + pFrameHdr->ulPartialFrameOffset = pFrameHdr->ulFrameSize - ulTmp; + } + } else { + retVal = HXR_FAIL; + } + } + } + break; + case RVFrameTypeWhole: + /* Skip the one-byte frame type */ + rm_unpack8(ppBuf, pulLen); + /* Unpack the sequence number */ + pFrameHdr->ulSeqNum = rm_unpack8(ppBuf, pulLen); + /* Compute the header size */ + pFrameHdr->ulHeaderSize = *ppBuf - pBufAtStart; + /* Assign the frame header members */ + pFrameHdr->ulNumPackets = 1; + pFrameHdr->ulPacketNum = 1; + pFrameHdr->ulFrameSize = ((UINT32) pPacket->usDataLen) - + pFrameHdr->ulHeaderSize; + pFrameHdr->ulTimestamp = pPacket->ulTime; + pFrameHdr->bBrokenUpByUs = FALSE; + pFrameHdr->ulPartialFrameOffset = 0; + pFrameHdr->ulPartialFrameSize = 0; + /* Clear return value */ + retVal = HXR_OK; + break; + case RVFrameTypeMultiple: + /* + * For multiple frames, we still set ulNumPackets + * and ulPacketNum to 1, even though we know + * there are multiple packets. + */ + pFrameHdr->ulNumPackets = 1; + pFrameHdr->ulPacketNum = 1; + /* Skip the frame type */ + rm_unpack8(ppBuf, pulLen); + /* Unpack the frame size */ + retVal = rv_depacki_read_14_or_30(ppBuf, pulLen, &bTmp, + &pFrameHdr->ulFrameSize); + if (retVal == HXR_OK) { + /* For multiple frames, there is no partial size or offset */ + pFrameHdr->ulPartialFrameOffset = 0; + pFrameHdr->ulPartialFrameSize = 0; + /* Unpack the timestamp */ + retVal = rv_depacki_read_14_or_30(ppBuf, pulLen, &bTmp, + &pFrameHdr->ulTimestamp); + if (retVal == HXR_OK) { + /* Does this stream have relative timestamps? */ + if (pInt->bHasRelativeTimeStamps) { + /* + * Yes, we have relative timestamps so offset + * the timestamp in the frame header by the + * packet timestamp. + */ + pFrameHdr->ulTimestamp += pPacket->ulTime; + } else { + /* No relative timestamps */ + ulOrigPacketTimeStamp = pPacket->ulTime + pInt->ulZeroTimeOffset; + /* + * Because of a bug in the original Write14or30() which didn't mask + * the high bytes of the timestamp before |ing them with the flags, + * it's possible to read frame headers that are screwed up. If the + * application using this class sets the timestamp of the network packet + * before unpacking the header, we can determine if this header is + * screwed up and fix it. + */ + /* + * If the time stamp returned is less than the packet timestamp + * something is screwed up. If the packet timestamp is > 14 bits, + * the frame timestamp is < the packet timestamp and the packet + * timestamp is < 14 bits then the Write14or30 bug described above + * may have occured. It's possible for rollover to occur and trigger + * this so we check for that too. If the bug occured, we want to read 30 bits. + */ + if (ulOrigPacketTimeStamp > RM_MAX_UINT14 && + ulOrigPacketTimeStamp > pFrameHdr->ulTimestamp && + pFrameHdr->ulTimestamp < RM_MAX_UINT14 && + /* + * check for rollover. If we assume ulOrigPacketTimeStamp is from before + * rollover and m_ulTimeStamp is from after, the left hand expression below + * should be a small number because m_ulPacketTimeSamp will be close to + * MAX_UINT30 and m_ulTimeStamp will be close to 0. I chose 60 seconds + * since two frames 60 seconds appart shouldn't be in the same packet + * due to latency considerations in the encoder. JEFFA 4/28/99 + */ + !(((RM_MAX_UINT30 - ulOrigPacketTimeStamp) + pFrameHdr->ulTimestamp) <= 60000UL)) { + /* We should have read 14 bits, so back up 2 bytes */ + *ppBuf -= 2; + *pulLen += 2; + /* Now read 32 bits instead */ + pFrameHdr->ulTimestamp = rm_unpack32(ppBuf, pulLen); + } + + /* Clip the timestamp at 30 bits */ + ulClippedPacketTS = (ulOrigPacketTimeStamp & RM_MAX_UINT30); + /* + * Much code in the system assumes full 32 bit typestamps; reconstruct + * them here. We assume child timestamps are no more than 2^30 - 1 away + */ + ulDelta = (pFrameHdr->ulTimestamp >= ulClippedPacketTS ? + pFrameHdr->ulTimestamp - ulClippedPacketTS : + RM_MAX_UINT30 - ulClippedPacketTS + pFrameHdr->ulTimestamp); + pFrameHdr->ulTimestamp = ulOrigPacketTimeStamp + ulDelta; + /* If we have a zero time offset, we need to offset this timestamp */ + pFrameHdr->ulTimestamp -= pInt->ulZeroTimeOffset; + + /* + * Ensure that we have not caused the timestamp to fall behind + * the packet timestamp when we have subtracted zero time offset + */ + if (pInt->ulZeroTimeOffset && + (((INT32) pFrameHdr->ulTimestamp) - ((INT32) pPacket->ulTime) < 0)) { + pFrameHdr->ulTimestamp = pPacket->ulTime; + } + + /* + * If older rmffplin is serving this slta stream and internal + * frame timestamp is much larger than pkt timestamp, then + * we are dealing with un-translated-for-slta-live internal + * frame timestamps (the above calculation w/ ulDelta made + * super-small timestamps into super-large ones). Here, we + * adjust and make the internal timestamp equal to the pkt timestamp + */ + if (pFrameHdr->ulTimestamp - pPacket->ulTime > MAX_INTERNAL_TIMESTAMP_DELTA) { + pFrameHdr->ulTimestamp = pPacket->ulTime; + } + } + /* Read the sequence number */ + pFrameHdr->ulSeqNum = rm_unpack8(ppBuf, pulLen); + } + } + break; + } + if (retVal == HXR_OK) { + /* Compute the number of bytes in the frame header we just parsed. */ + pFrameHdr->ulHeaderSize = *ppBuf - pBufAtStart; + } + } + + return retVal; +} + +HX_RESULT rv_depacki_read_14_or_30(BYTE** ppBuf, + UINT32* pulLen, + HXBOOL* pbHiBit, + UINT32* pulValue) +{ + HX_RESULT retVal = HXR_FAIL; + + if (ppBuf && pulLen && pbHiBit && pulValue && *ppBuf && *pulLen >= 2) { + /* Init local variables */ + UINT32 ulTmp = (*ppBuf)[0]; + /* Assign the high bit */ + *pbHiBit = ((ulTmp & 0x80) ? TRUE : FALSE); + /* + * Check the length bit. If it's 1, then + * this is a 14-bit value. If it's 0, then + * this is a 30-bit value. + */ + if (ulTmp & 0x40) { + /* + * This is a 14-bit value, so unpack 16 bits. + * We don't need to check the buffer size, since + * we already checked for a minimum of 2 bytes above. + */ + ulTmp = rm_unpack16(ppBuf, pulLen); + /* Mask out the upper two bits */ + *pulValue = (ulTmp & 0x00003FFF); + /* Clear the return value */ + retVal = HXR_OK; + } else { + /* This is a 30-bit value, so check size */ + if (*pulLen >= 4) { + /* Unpack 32 bits */ + ulTmp = rm_unpack32(ppBuf, pulLen); + /* Mask out the upper 2 bits */ + *pulValue = (ulTmp & 0x3FFFFFFF); + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + + return retVal; +} + +HX_RESULT rv_depacki_handle_partial(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && ppBuf && pulLen && pPacket && pFrameHdr && *ppBuf) { + /* Init local variables */ + UINT32 i = 0; + UINT32 ulOffset = 0; + HXBOOL bAllThere = FALSE; + /* Clear the reutrn value */ + retVal = HXR_OK; + /* + * If we have a current frame and its timestamp + * is different from the packet timestamp, + * then we will send it. + */ + if (pInt->pCurFrame && + pInt->pCurFrame->ulTimestamp != pPacket->ulTime) { + /* Send the current frame */ + retVal = rv_depacki_send_current_frame(pInt); + } + /* Do we have a current frame? */ + if (retVal == HXR_OK && !pInt->pCurFrame) { + /* We don't have a current frame, so create one */ + retVal = rv_depacki_create_frame(pInt, pPacket, pFrameHdr, + &pInt->pCurFrame); + } + if (retVal == HXR_OK) { + /* Set the return value */ + retVal = HXR_FAIL; + /* Sanity check */ + ulOffset = pFrameHdr->ulPartialFrameOffset + pFrameHdr->ulPartialFrameSize; + if (ulOffset <= pInt->pCurFrame->ulDataLen && + *pulLen >= pFrameHdr->ulPartialFrameSize && + pFrameHdr->ulPacketNum - 1 < pInt->pCurFrame->ulNumSegments) { + /* Copy the data into the frame data buffer */ + memcpy(pInt->pCurFrame->pData + pFrameHdr->ulPartialFrameOffset, + *ppBuf, + pFrameHdr->ulPartialFrameSize); + /* The segment indices in the frame header are 1-based */ + i = pFrameHdr->ulPacketNum - 1; + /* Update the segment information */ + pInt->pCurFrame->pSegment[i].bIsValid = TRUE; + pInt->pCurFrame->pSegment[i].ulOffset = pFrameHdr->ulPartialFrameOffset; + /* + * Set the offset for the segment after this one and all other + * segments until we find a valid one or we run out of segments. + * This allows a codec to know where missing data would go for + * single loss. For multiple loss in a row the offset is set + * to the same offset since the size of the missing segments + * isn't known. + */ + for (i = pFrameHdr->ulPacketNum; + i < pInt->pCurFrame->ulNumSegments && + !pInt->pCurFrame->pSegment[i].bIsValid; + i++) { + pInt->pCurFrame->pSegment[i].ulOffset = ulOffset; + } + /* Check to see if all segments are present */ + bAllThere = TRUE; + for (i = 0; i < pInt->pCurFrame->ulNumSegments && bAllThere; i++) { + bAllThere = pInt->pCurFrame->pSegment[i].bIsValid; + } + /* Clear the return value */ + retVal = HXR_OK; + /* Are all segments present? */ + if (bAllThere) { + /* We've got the entire packet, so send it */ + retVal = rv_depacki_send_current_frame(pInt); + } + if (retVal == HXR_OK) { + /* Advance the buffer */ + *ppBuf += pFrameHdr->ulPartialFrameSize; + *pulLen -= pFrameHdr->ulPartialFrameSize; + } + } + } + } + + return retVal; +} + +HX_RESULT rv_depacki_handle_one_frame(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && ppBuf && pulLen && pPacket && pFrameHdr && *ppBuf) { + /* If we have a current frame, send it */ + retVal = rv_depacki_send_current_frame(pInt); + if (retVal == HXR_OK) { + /* Create a current frame */ + retVal = rv_depacki_create_frame(pInt, pPacket, pFrameHdr, + &pInt->pCurFrame); + if (retVal == HXR_OK) { + /* Set the return value */ + retVal = HXR_FAIL; + /* Sanity check on parsed values */ + if (*pulLen >= pInt->pCurFrame->ulDataLen) { + /* Copy the data */ + memcpy(pInt->pCurFrame->pData, *ppBuf, + pInt->pCurFrame->ulDataLen); + /* Set the one and only segment */ + pInt->pCurFrame->pSegment[0].bIsValid = TRUE; + pInt->pCurFrame->pSegment[0].ulOffset = 0; + /* Send the frame we just created */ + retVal = rv_depacki_send_current_frame(pInt); + if (retVal == HXR_OK) { + /* Advance the buffer */ + *ppBuf += pFrameHdr->ulFrameSize; + *pulLen -= pFrameHdr->ulFrameSize; + } + } + } + } + } + + return retVal; +} + +HX_RESULT rv_depacki_send_current_frame(rv_depack_internal* pInt) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pInt->fpAvail) { + /* Init local variables */ + HXBOOL bDoSend = TRUE; + UINT32 i = 0; + /* Clear the return value */ + retVal = HXR_OK; + /* Do we have a current frame? Not an error if we don't. */ + if (pInt->pCurFrame) { + /* Was the packet broken up by us? */ + if (pInt->bBrokenUpByUs) { + /* + * Make sure all the segments are there; + * otherwise, don't send it. After leaving + * the for loop below, bDoSend will only + * be TRUE if all the segments are valid. + */ + for (i = 0; i < pInt->pCurFrame->ulNumSegments && bDoSend; i++) { + bDoSend = pInt->pCurFrame->pSegment[i].bIsValid; + } + /* Are we going to send this frame? */ + if (bDoSend && pInt->pCurFrame->ulNumSegments) { + /* Collapse all the segment info into 1 segment */ + pInt->pCurFrame->pSegment[0].bIsValid = TRUE; + pInt->pCurFrame->pSegment[0].ulOffset = 0; + /* Reset the number of segments to 1 */ + pInt->pCurFrame->ulNumSegments = 1; + } + } + /* Are we going to send this frame? */ + if (bDoSend) { + /* Call the frame available function pointer */ + retVal = pInt->fpAvail(pInt->pAvail, + pInt->ulActiveSubStream, + pInt->pCurFrame); + + } else { + /* Free the frame */ + rv_depacki_cleanup_frame(pInt, &pInt->pCurFrame); + } + /* NULL out the pointer */ + pInt->pCurFrame = HXNULL; + } + } + + return retVal; +} + +void rv_depacki_cleanup_frame(rv_depack_internal* pInt, + rv_frame** ppFrame) +{ + if (pInt && ppFrame && *ppFrame) { + /* Free the encoded frame buffer */ + if ((*ppFrame)->pData) { + rv_depacki_free(pInt, (*ppFrame)->pData); + (*ppFrame)->pData = HXNULL; + } + /* Free the segment array */ + if ((*ppFrame)->pSegment) { + rv_depacki_free(pInt, (*ppFrame)->pSegment); + (*ppFrame)->pSegment = HXNULL; + } + /* NULL out the frame */ + memset(*ppFrame, 0, sizeof(rv_frame)); + /* Delete the space for the frame struct itself */ + rv_depacki_free(pInt, *ppFrame); + /* NULL out the pointer */ + *ppFrame = HXNULL; + } +} + +HX_RESULT rv_depacki_create_frame(rv_depack_internal* pInt, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr, + rv_frame** ppFrame) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt && pPacket && pFrameHdr && ppFrame && + pFrameHdr->ulFrameSize && pFrameHdr->ulNumPackets) { + /* Init local variables */ + rv_frame* pFrame = HXNULL; + UINT32 ulSize = 0; + UINT32 ulSeqNum = 0; + UINT32 ulFlags = 0; + /* Clean out any existing frame */ + rv_depacki_cleanup_frame(pInt, ppFrame); + /* Allocate space rv_frame struct */ + pFrame = rv_depacki_malloc(pInt, sizeof(rv_frame)); + if (pFrame) { + /* NULL out the memory */ + memset(pFrame, 0, sizeof(rv_frame)); + /* Allocate enough space for the data */ + pFrame->pData = rv_depacki_malloc(pInt, pFrameHdr->ulFrameSize); + if (pFrame->pData) { + /* NULL out the memory */ + memset(pFrame->pData, 0, pFrameHdr->ulFrameSize); + /* Assign the data size */ + pFrame->ulDataLen = pFrameHdr->ulFrameSize; + /* Allocate space for segment array */ + ulSize = pFrameHdr->ulNumPackets * sizeof(rv_segment); + pFrame->pSegment = rv_depacki_malloc(pInt, ulSize); + if (pFrame->pSegment) { + /* + * NULL out the memory. This effectively sets + * all the bIsValid flags to FALSE and ulOffset + * values to zero. + */ + memset(pFrame->pSegment, 0, ulSize); + /* Assign the rest of the members of the frame struct */ + pFrame->ulNumSegments = pFrameHdr->ulNumPackets; + pFrame->ulTimestamp = pFrameHdr->ulTimestamp; + pFrame->bLastPacket = FALSE; + /* Look up the flags from the packet ASM rule */ + ulFlags = rv_depacki_rule_to_flags(pInt, pPacket->ucASMRule); + /* + * If this is a packet with only multiple frames and the + * packet is a keyframe packet, then we only want the FIRST frame + * to be labelled as a keyframe. If this packet has a + * last-partial frame followed by multiple frames, then + * we don't want ANY of the multiple frames to be labelled + * as a keyframe. To implement this logic, we can do + * the following check: if this is a multiple frames header + * AND that header did not start at the beginning of the packet, + * then we need to clear the keyframe flag. + */ + if (pFrameHdr->eType == RVFrameTypeMultiple && + pFrameHdr->ulHeaderOffset) { + ulFlags &= ~HX_KEYFRAME_FLAG; + } + /* Assign the frame flags */ + pFrame->usFlags = (UINT16) ulFlags; + /* Compute the output sequence number */ + if (pInt->bCreatedFirstFrame) { + /* + * The sequence number in the RV frame is only + * one byte, so every 256 frames, it rolls over + * from 255 back to 0. Check to see if we've + * rolled over with this frame. + */ + if (pFrameHdr->ulSeqNum < pInt->ulLastSeqNumIn) { + /* We rolled over */ + pInt->ulLastSeqNumOut += pFrameHdr->ulSeqNum + 256 - pInt->ulLastSeqNumIn; + } else { + pInt->ulLastSeqNumOut += pFrameHdr->ulSeqNum - pInt->ulLastSeqNumIn; + } + /* Save the last input sequence number */ + pInt->ulLastSeqNumIn = pFrameHdr->ulSeqNum; + } else { + /* + * Always start the output sequence number at 0, even + * if we lost a few packets and the actual input sequence + * number in the RV frame my not be 0. + */ + pInt->ulLastSeqNumOut = 0; + pInt->ulLastSeqNumIn = pFrameHdr->ulSeqNum; + pInt->bCreatedFirstFrame = TRUE; + } + /* Assign the sequence number */ + pFrame->usSequenceNum = (UINT16)(pInt->ulLastSeqNumOut & 0x0000FFFF); + /* Assign the broken-up-by-us flag */ + pInt->bBrokenUpByUs = pFrameHdr->bBrokenUpByUs; + /* Assign the out parameter */ + *ppFrame = pFrame; + /* Clear the return value */ + retVal = HXR_OK; + } + } + } + } + + return retVal; +} + +HX_RESULT rv_depacki_seek(rv_depack_internal* pInt, UINT32 ulTime) +{ + HX_RESULT retVal = HXR_FAIL; + + if (pInt) { + /* Clean up any existing partial frame */ + rv_depacki_cleanup_frame(pInt, &pInt->pCurFrame); + /* Clear the return value */ + retVal = HXR_OK; + } + + return retVal; +} + diff --git a/audio_codec/libraac/rv_depack_internal.h b/audio_codec/libraac/rv_depack_internal.h new file mode 100644 index 0000000..2ed3d09 --- a/dev/null +++ b/audio_codec/libraac/rv_depack_internal.h @@ -0,0 +1,171 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: rv_depack_internal.h,v 1.1.1.1.2.1 2005/05/04 18:21:20 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef RV_DEPACK_INTERNAL_H +#define RV_DEPACK_INTERNAL_H + +#include "../include/helix_types.h" +#include "../include/helix_result.h" +#include "../include/rm_memory.h" +#include "../include/rm_error.h" +#include "../include/rv_depack.h" +#include "../include/stream_hdr_structs.h" + +#ifdef __cplusplus +extern "C" { +#endif + + /* Frame type enum */ + typedef enum + { + RVFrameTypePartial, + RVFrameTypeWhole, + RVFrameTypeLastPartial, + RVFrameTypeMultiple + } + RVFrameType; + + /* Struct which holds frame header info */ + typedef struct rv_frame_hdr_struct { + RVFrameType eType; + UINT32 ulPacketNum; + UINT32 ulNumPackets; + UINT32 ulFrameSize; + UINT32 ulPartialFrameSize; + UINT32 ulPartialFrameOffset; + UINT32 ulTimestamp; + UINT32 ulSeqNum; + UINT32 ulHeaderSize; + UINT32 ulHeaderOffset; + HXBOOL bBrokenUpByUs; + } rv_frame_hdr; + + /* + * Internal rv_depack struct + */ + typedef struct rv_depack_internal_struct { + void* pAvail; + rv_frame_avail_func_ptr fpAvail; + rm_error_func_ptr fpError; + void* pUserError; + rm_malloc_func_ptr fpMalloc; + rm_free_func_ptr fpFree; + void* pUserMem; + UINT32 ulZeroTimeOffset; + HX_BITFIELD bHasRelativeTimeStamps; + rm_rule_map rule2Flag; + rm_multistream_hdr multiStreamHdr; + rv_format_info* pSubStreamHdr; + HXBOOL* bIgnoreSubStream; + HXBOOL bStreamSwitchable; + UINT32 ulActiveSubStream; + rv_frame* pCurFrame; + HXBOOL bBrokenUpByUs; + HXBOOL bCreatedFirstFrame; + UINT32 ulLastSeqNumIn; + UINT32 ulLastSeqNumOut; + } rv_depack_internal; + + /* + * Internal rv_depack functions + */ + void* rv_depacki_malloc(rv_depack_internal* pInt, UINT32 ulSize); + void rv_depacki_free(rv_depack_internal* pInt, void* pMem); + HX_RESULT rv_depacki_init(rv_depack_internal* pInt, rm_stream_header* hdr); + HX_RESULT rv_depacki_unpack_rule_map(rv_depack_internal* pInt, + rm_rule_map* pMap, + BYTE** ppBuf, + UINT32* pulLen); + HX_RESULT rv_depacki_unpack_multistream_hdr(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen); + HX_RESULT rv_depacki_unpack_opaque_data(rv_depack_internal* pInt, + BYTE* pBuf, + UINT32 ulLen); + void rv_depacki_cleanup_format_info(rv_depack_internal* pInt, + rv_format_info* pInfo); + void rv_depacki_cleanup_format_info_array(rv_depack_internal* pInt); + HX_RESULT rv_depacki_unpack_format_info(rv_depack_internal* pInt, + rv_format_info* pInfo, + BYTE** ppBuf, + UINT32* pulLen); + HX_RESULT rv_depacki_check_rule_book(rv_depack_internal* pInt, + rm_stream_header* hdr); + HX_RESULT rv_depacki_copy_format_info(rv_depack_internal* pInt, + rv_format_info* pSrc, + rv_format_info* pDst); + HX_RESULT rv_depacki_add_packet(rv_depack_internal* pInt, + rm_packet* pPacket); + UINT32 rv_depacki_rule_to_flags(rv_depack_internal* pInt, UINT32 ulRule); + UINT32 rv_depacki_rule_to_substream(rv_depack_internal* pInt, UINT32 ulRule); + HX_RESULT rv_depacki_parse_frame_header(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr); + HX_RESULT rv_depacki_read_14_or_30(BYTE** ppBuf, + UINT32* pulLen, + HXBOOL* pbHiBit, + UINT32* pulValue); + HX_RESULT rv_depacki_handle_partial(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr); + HX_RESULT rv_depacki_handle_one_frame(rv_depack_internal* pInt, + BYTE** ppBuf, + UINT32* pulLen, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr); + HX_RESULT rv_depacki_send_current_frame(rv_depack_internal* pInt); + void rv_depacki_cleanup_frame(rv_depack_internal* pInt, + rv_frame** ppFrame); + HX_RESULT rv_depacki_create_frame(rv_depack_internal* pInt, + rm_packet* pPacket, + rv_frame_hdr* pFrameHdr, + rv_frame** ppFrame); + void rv_depacki_check_to_clear_keyframe_flag(BYTE* pBuf, + UINT32 ulLen, + rm_packet* pkt, + rv_frame_hdr* hdr); + HX_RESULT rv_depacki_seek(rv_depack_internal* pInt, UINT32 ulTime); + +#ifdef __cplusplus +} +#endif + +#endif /* #ifndef RV_DEPACK_INTERNAL_H */ diff --git a/audio_codec/libraac/sbr.c b/audio_codec/libraac/sbr.c new file mode 100644 index 0000000..4c9092e --- a/dev/null +++ b/audio_codec/libraac/sbr.c @@ -0,0 +1,431 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbr.c,v 1.4 2008/01/15 21:20:31 ehyche Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbr.c - top level functions for SBR + **************************************************************************************/ + +#if defined(REAL_FORMAT_SDK) +#include "rm_memory_shim.h" +#define malloc hx_realformatsdk_malloc +#define free hx_realformatsdk_free +#endif /* #if defined(REAL_FORMAT_SDK) */ + +#include "sbr.h" +//#include +#include +#include +#include +#include + +/************************************************************************************** + * Function: InitSBRState + * + * Description: initialize PSInfoSBR struct at start of stream or after flush + * + * Inputs: valid AACDecInfo struct + * + * Outputs: PSInfoSBR struct with proper initial state + * + * Return: none + **************************************************************************************/ +static void InitSBRState(PSInfoSBR *psi) +{ + int i, ch; + unsigned char *c; + + if (!psi) { + return; + } + + /* clear SBR state structure */ + c = (unsigned char *)psi; + for (i = 0; i < (int)sizeof(PSInfoSBR); i++) { + *c++ = 0; + } + + /* initialize non-zero state variables */ + for (ch = 0; ch < AAC_MAX_NCHANS; ch++) { + psi->sbrChan[ch].reset = 1; + psi->sbrChan[ch].laPrev = -1; + } +} + +/************************************************************************************** + * Function: InitSBR + * + * Description: initialize SBR decoder + * + * Inputs: valid AACDecInfo struct + * + * Outputs: PSInfoSBR struct to hold SBR state information + * + * Return: 0 if successful, error code (< 0) if error + * + * Note: memory allocation for SBR is only done here + **************************************************************************************/ +int InitSBR(AACDecInfo *aacDecInfo) +{ + PSInfoSBR *psi; + + if (!aacDecInfo) { + return ERR_AAC_NULL_POINTER; + } + /* allocate SBR state structure */ + psi = (PSInfoSBR *)malloc(sizeof(PSInfoSBR)); + if (!psi) { + return ERR_AAC_SBR_INIT; + } + + InitSBRState(psi); + + aacDecInfo->psInfoSBR = psi; + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: FreeSBR + * + * Description: free SBR decoder + * + * Inputs: valid AACDecInfo struct + * + * Outputs: none + * + * Return: none + * + * Note: memory deallocation for SBR is only done here + **************************************************************************************/ +void FreeSBR(AACDecInfo *aacDecInfo) +{ + if (aacDecInfo && aacDecInfo->psInfoSBR) { + free(aacDecInfo->psInfoSBR); + } + + return; +} + +/************************************************************************************** + * Function: DecodeSBRBitstream + * + * Description: decode sideband information for SBR + * + * Inputs: valid AACDecInfo struct + * fill buffer with SBR extension block + * number of bytes in fill buffer + * base output channel (range = [0, nChans-1]) + * + * Outputs: initialized state structs (SBRHdr, SBRGrid, SBRFreq, SBRChan) + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: SBR payload should be in aacDecInfo->fillBuf + * returns with no error if fill buffer is not an SBR extension block, + * or if current block is not a fill block (e.g. for LFE upsampling) + **************************************************************************************/ +int DecodeSBRBitstream(AACDecInfo *aacDecInfo, int chBase) +{ + int headerFlag; + BitStreamInfo bsi; + PSInfoSBR *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoSBR) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoSBR *)(aacDecInfo->psInfoSBR); + + if (aacDecInfo->currBlockID != AAC_ID_FIL || (aacDecInfo->fillExtType != EXT_SBR_DATA && aacDecInfo->fillExtType != EXT_SBR_DATA_CRC)) { + return ERR_AAC_NONE; + } + + SetBitstreamPointer(&bsi, aacDecInfo->fillCount, aacDecInfo->fillBuf); + if (GetBits(&bsi, 4) != (unsigned int)aacDecInfo->fillExtType) { + return ERR_AAC_SBR_BITSTREAM; + } + + if (aacDecInfo->fillExtType == EXT_SBR_DATA_CRC) { + psi->crcCheckWord = GetBits(&bsi, 10); + } + + headerFlag = GetBits(&bsi, 1); + if (headerFlag) { + /* get sample rate index for output sample rate (2x base rate) */ + psi->sampRateIdx = GetSampRateIdx(2 * aacDecInfo->sampRate); + if (psi->sampRateIdx < 0 || psi->sampRateIdx >= NUM_SAMPLE_RATES) { + return ERR_AAC_SBR_BITSTREAM; + } else if (psi->sampRateIdx >= NUM_SAMPLE_RATES_SBR) { + return ERR_AAC_SBR_SINGLERATE_UNSUPPORTED; + } + + /* reset flag = 1 if header values changed */ + if (UnpackSBRHeader(&bsi, &(psi->sbrHdr[chBase]))) { + psi->sbrChan[chBase].reset = 1; + } + + /* first valid SBR header should always trigger CalcFreqTables(), since psi->reset was set in InitSBR() */ + if (psi->sbrChan[chBase].reset) { + CalcFreqTables(&(psi->sbrHdr[chBase + 0]), &(psi->sbrFreq[chBase]), psi->sampRateIdx); + } + + /* copy and reset state to right channel for CPE */ + if (aacDecInfo->prevBlockID == AAC_ID_CPE) { + psi->sbrChan[chBase + 1].reset = psi->sbrChan[chBase + 0].reset; + } + } + + + /* if no header has been received, upsample only */ + if (psi->sbrHdr[chBase].count == 0) { + return ERR_AAC_NONE; + } + + if (aacDecInfo->prevBlockID == AAC_ID_SCE) { + UnpackSBRSingleChannel(&bsi, psi, chBase); + } else if (aacDecInfo->prevBlockID == AAC_ID_CPE) { + UnpackSBRChannelPair(&bsi, psi, chBase); + } else { + return ERR_AAC_SBR_BITSTREAM; + } + + ByteAlignBitstream(&bsi); + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: DecodeSBRData + * + * Description: apply SBR to one frame of PCM data + * + * Inputs: 1024 samples of decoded 32-bit PCM, before SBR + * size of input PCM samples (must be 4 bytes) + * number of fraction bits in input PCM samples + * base output channel (range = [0, nChans-1]) + * initialized state structs (SBRHdr, SBRGrid, SBRFreq, SBRChan) + * + * Outputs: 2048 samples of decoded 16-bit PCM, after SBR + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int DecodeSBRData(AACDecInfo *aacDecInfo, int chBase, short *outbuf) +{ + int k, l, ch, chBlock, qmfaBands, qmfsBands; + int upsampleOnly, gbIdx, gbMask; + int *inbuf; + short *outptr; + PSInfoSBR *psi; + SBRHeader *sbrHdr; + SBRGrid *sbrGrid; + SBRFreq *sbrFreq; + SBRChan *sbrChan; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoSBR) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoSBR *)(aacDecInfo->psInfoSBR); + + /* same header and freq tables for both channels in CPE */ + sbrHdr = &(psi->sbrHdr[chBase]); + sbrFreq = &(psi->sbrFreq[chBase]); + + /* upsample only if we haven't received an SBR header yet or if we have an LFE block */ + if (aacDecInfo->currBlockID == AAC_ID_LFE) { + chBlock = 1; + upsampleOnly = 1; + } else if (aacDecInfo->currBlockID == AAC_ID_FIL) { + if (aacDecInfo->prevBlockID == AAC_ID_SCE) { + chBlock = 1; + } else if (aacDecInfo->prevBlockID == AAC_ID_CPE) { + chBlock = 2; + } else { + return ERR_AAC_NONE; + } + + upsampleOnly = (sbrHdr->count == 0 ? 1 : 0); + if (aacDecInfo->fillExtType != EXT_SBR_DATA && aacDecInfo->fillExtType != EXT_SBR_DATA_CRC) { + return ERR_AAC_NONE; + } + } else { + /* ignore non-SBR blocks */ + return ERR_AAC_NONE; + } + + if (upsampleOnly) { + sbrFreq->kStart = 32; + sbrFreq->numQMFBands = 0; + } + + for (ch = 0; ch < chBlock; ch++) { + sbrGrid = &(psi->sbrGrid[chBase + ch]); + sbrChan = &(psi->sbrChan[chBase + ch]); + + if (aacDecInfo->rawSampleBuf[ch] == 0 || aacDecInfo->rawSampleBytes != 4) { + return ERR_AAC_SBR_PCM_FORMAT; + } + inbuf = (int *)aacDecInfo->rawSampleBuf[ch]; + outptr = outbuf + chBase + ch; + + /* restore delay buffers (could use ring buffer or keep in temp buffer for nChans == 1) */ + for (l = 0; l < HF_GEN; l++) { + for (k = 0; k < 64; k++) { + psi->XBuf[l][k][0] = psi->XBufDelay[chBase + ch][l][k][0]; + psi->XBuf[l][k][1] = psi->XBufDelay[chBase + ch][l][k][1]; + } + } + + /* step 1 - analysis QMF */ + qmfaBands = sbrFreq->kStart; + for (l = 0; l < 32; l++) { + gbMask = QMFAnalysis(inbuf + l * 32, psi->delayQMFA[chBase + ch], psi->XBuf[l + HF_GEN][0], + aacDecInfo->rawSampleFBits, &(psi->delayIdxQMFA[chBase + ch]), qmfaBands); + + gbIdx = ((l + HF_GEN) >> 5) & 0x01; + sbrChan->gbMask[gbIdx] |= gbMask; /* gbIdx = (0 if i < 32), (1 if i >= 32) */ + } + + if (upsampleOnly) { + /* no SBR - just run synthesis QMF to upsample by 2x */ + qmfsBands = 32; + for (l = 0; l < 32; l++) { + /* step 4 - synthesis QMF */ + QMFSynthesis(psi->XBuf[l + HF_ADJ][0], psi->delayQMFS[chBase + ch], &(psi->delayIdxQMFS[chBase + ch]), qmfsBands, outptr, aacDecInfo->nChans); + outptr += 64 * aacDecInfo->nChans; + } + } else { + /* if previous frame had lower SBR starting freq than current, zero out the synthesized QMF + * bands so they aren't used as sources for patching + * after patch generation, restore from delay buffer + * can only happen after header reset + */ + for (k = sbrFreq->kStartPrev; k < sbrFreq->kStart; k++) { + for (l = 0; l < sbrGrid->envTimeBorder[0] + HF_ADJ; l++) { + psi->XBuf[l][k][0] = 0; + psi->XBuf[l][k][1] = 0; + } + } + + /* step 2 - HF generation */ + GenerateHighFreq(psi, sbrGrid, sbrFreq, sbrChan, ch); + + /* restore SBR bands that were cleared before patch generation (time slots 0, 1 no longer needed) */ + for (k = sbrFreq->kStartPrev; k < sbrFreq->kStart; k++) { + for (l = HF_ADJ; l < sbrGrid->envTimeBorder[0] + HF_ADJ; l++) { + psi->XBuf[l][k][0] = psi->XBufDelay[chBase + ch][l][k][0]; + psi->XBuf[l][k][1] = psi->XBufDelay[chBase + ch][l][k][1]; + } + } + + /* step 3 - HF adjustment */ + AdjustHighFreq(psi, sbrHdr, sbrGrid, sbrFreq, sbrChan, ch); + + /* step 4 - synthesis QMF */ + qmfsBands = sbrFreq->kStartPrev + sbrFreq->numQMFBandsPrev; + for (l = 0; l < sbrGrid->envTimeBorder[0]; l++) { + /* if new envelope starts mid-frame, use old settings until start of first envelope in this frame */ + QMFSynthesis(psi->XBuf[l + HF_ADJ][0], psi->delayQMFS[chBase + ch], &(psi->delayIdxQMFS[chBase + ch]), qmfsBands, outptr, aacDecInfo->nChans); + outptr += 64 * aacDecInfo->nChans; + } + + qmfsBands = sbrFreq->kStart + sbrFreq->numQMFBands; + for (; l < 32; l++) { + /* use new settings for rest of frame (usually the entire frame, unless the first envelope starts mid-frame) */ + QMFSynthesis(psi->XBuf[l + HF_ADJ][0], psi->delayQMFS[chBase + ch], &(psi->delayIdxQMFS[chBase + ch]), qmfsBands, outptr, aacDecInfo->nChans); + outptr += 64 * aacDecInfo->nChans; + } + } + + /* save delay */ + for (l = 0; l < HF_GEN; l++) { + for (k = 0; k < 64; k++) { + psi->XBufDelay[chBase + ch][l][k][0] = psi->XBuf[l + 32][k][0]; + psi->XBufDelay[chBase + ch][l][k][1] = psi->XBuf[l + 32][k][1]; + } + } + sbrChan->gbMask[0] = sbrChan->gbMask[1]; + sbrChan->gbMask[1] = 0; + + if (sbrHdr->count > 0) { + sbrChan->reset = 0; + } + } + sbrFreq->kStartPrev = sbrFreq->kStart; + sbrFreq->numQMFBandsPrev = sbrFreq->numQMFBands; + + if (aacDecInfo->nChans > 0 && (chBase + ch) == aacDecInfo->nChans) { + psi->frameCount++; + } + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: FlushCodecSBR + * + * Description: flush internal SBR codec state (after seeking, for example) + * + * Inputs: valid AACDecInfo struct + * + * Outputs: updated state variables for SBR + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: SBR is heavily dependent on state from previous frames + * (e.g. delta coded scalefactors, previous envelope boundaries, etc.) + * On flush, we reset everything as if SBR had just been initialized + * for the first time. This triggers "upsample-only" mode until + * the first valid SBR header is received. Then SBR starts as usual. + **************************************************************************************/ +int FlushCodecSBR(AACDecInfo *aacDecInfo) +{ + PSInfoSBR *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoSBR) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoSBR *)(aacDecInfo->psInfoSBR); + + InitSBRState(psi); + + return 0; +} diff --git a/audio_codec/libraac/sbr.h b/audio_codec/libraac/sbr.h new file mode 100644 index 0000000..0fe908c --- a/dev/null +++ b/audio_codec/libraac/sbr.h @@ -0,0 +1,381 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbr.h,v 1.2 2005/05/20 18:05:41 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbr.h - definitions of platform-specific SBR data structures, functions, and tables + **************************************************************************************/ + +#ifndef _SBR_H +#define _SBR_H + +#include "aaccommon.h" +#include "bitstream.h" + +#ifndef ASSERT +#if defined(_WIN32) && defined(_M_IX86) && (defined (_DEBUG) || defined (REL_ENABLE_ASSERTS)) +#define ASSERT(x) if (!(x)) __asm int 3; +#else +#define ASSERT(x) /* do nothing */ +#endif +#endif + +#ifndef MAX +#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef MIN +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#endif + +#define NUM_TIME_SLOTS 16 +#define SAMPLES_PER_SLOT 2 /* RATE in spec */ +#define NUM_SAMPLE_RATES_SBR 9 /* downsampled (single-rate) mode unsupported, so only use Fs_sbr >= 16 kHz */ + +#define MAX_NUM_ENV 5 +#define MAX_NUM_NOISE_FLOORS 2 +#define MAX_NUM_NOISE_FLOOR_BANDS 5 /* max Nq, see 4.6.18.3.6 */ +#define MAX_NUM_PATCHES 5 +#define MAX_NUM_SMOOTH_COEFS 5 + +#define HF_GEN 8 +#define HF_ADJ 2 + +#define MAX_QMF_BANDS 48 /* max QMF subbands covered by SBR (4.6.18.3.6) */ + +#define FBITS_IN_QMFA 14 +#define FBITS_LOST_QMFA (1 + 2 + 3 + 2 + 1) /* 1 from cTab, 2 in premul, 3 in FFT, 2 in postmul, 1 for implicit scaling by 2.0 */ +#define FBITS_OUT_QMFA (FBITS_IN_QMFA - FBITS_LOST_QMFA) + +#define MIN_GBITS_IN_QMFS 2 +#define FBITS_IN_QMFS FBITS_OUT_QMFA +#define FBITS_LOST_DCT4_64 (2 + 3 + 2) /* 2 in premul, 3 in FFT, 2 in postmul */ + +#define FBITS_OUT_DQ_ENV 29 /* dequantized env scalefactors are Q(29 - envDataDequantScale) */ +#define FBITS_OUT_DQ_NOISE 24 /* range of Q_orig = [2^-24, 2^6] */ +#define NOISE_FLOOR_OFFSET 6 + +/* see comments in ApplyBoost() */ +#define FBITS_GLIM_BOOST 24 +#define FBITS_QLIM_BOOST 14 + +#define MAX_HUFF_BITS 20 +#define NUM_QMF_DELAY_BUFS 10 +#define DELAY_SAMPS_QMFA (NUM_QMF_DELAY_BUFS * 32) +#define DELAY_SAMPS_QMFS (NUM_QMF_DELAY_BUFS * 128) + +/* additional external symbols to name-mangle for static linking */ +#define FFT32C STATNAME(FFT32C) +#define CalcFreqTables STATNAME(CalcFreqTables) +#define AdjustHighFreq STATNAME(AdjustHighFreq) +//#define GenerateHighFreq STATNAME(GenerateHighFreq) +#define DecodeSBREnvelope STATNAME(DecodeSBREnvelope) +#define DecodeSBRNoise STATNAME(DecodeSBRNoise) +#define UncoupleSBREnvelope STATNAME(UncoupleSBREnvelope) +#define UncoupleSBRNoise STATNAME(UncoupleSBRNoise) +#define InvRNormalized STATNAME(InvRNormalized) +#define RatioPowInv STATNAME(RatioPowInv) +#define SqrtFix STATNAME(SqrtFix) +#define QMFAnalysis STATNAME(QMFAnalysis) +#define QMFSynthesis STATNAME(QMFSynthesis) +#define GetSampRateIdx STATNAME(GetSampRateIdx) +#define UnpackSBRHeader STATNAME(UnpackSBRHeader) +#define UnpackSBRSingleChannel STATNAME(UnpackSBRSingleChannel) +#define UnpackSBRChannelPair STATNAME(UnpackSBRChannelPair) + +/* asm functions */ +#define CVKernel1 STATNAME(CVKernel1) +#define CVKernel2 STATNAME(CVKernel2) +#define QMFAnalysisConv STATNAME(QMFAnalysisConv) +#define QMFSynthesisConv STATNAME(QMFSynthesisConv) + +#define k0Tab STATNAME(k0Tab) +#define k2Tab STATNAME(k2Tab) +#define goalSBTab STATNAME(goalSBTab) +#define huffTabSBR STATNAME(huffTabSBR) +#define huffTabSBRInfo STATNAME(huffTabSBRInfo) +#define log2Tab STATNAME(log2Tab) +#define noiseTab STATNAME(noiseTab) +#define cTabA STATNAME(cTabA) +#define cTabS STATNAME(cTabS) + +/* do y <<= n, clipping to range [-2^30, 2^30 - 1] (i.e. output has one guard bit) */ +#define CLIP_2N_SHIFT30(y, n) { \ + int sign = (y) >> 31; \ + if (sign != (y) >> (30 - (n))) { \ + (y) = sign ^ (0x3fffffff); \ + } else { \ + (y) = (y) << (n); \ + } \ +} + +#define CLIP_2N(y, n) { \ + int sign = (y) >> 31; \ + if (sign != ((y) >> (n))) { \ + (y) = sign ^ ((1 << (n)) - 1); \ + } \ +} + +enum { + SBR_GRID_FIXFIX = 0, + SBR_GRID_FIXVAR = 1, + SBR_GRID_VARFIX = 2, + SBR_GRID_VARVAR = 3 +}; + +enum { + HuffTabSBR_tEnv15 = 0, + HuffTabSBR_fEnv15 = 1, + HuffTabSBR_tEnv15b = 2, + HuffTabSBR_fEnv15b = 3, + HuffTabSBR_tEnv30 = 4, + HuffTabSBR_fEnv30 = 5, + HuffTabSBR_tEnv30b = 6, + HuffTabSBR_fEnv30b = 7, + HuffTabSBR_tNoise30 = 8, + HuffTabSBR_fNoise30 = 5, + HuffTabSBR_tNoise30b = 9, + HuffTabSBR_fNoise30b = 7 +}; + +typedef struct _HuffInfo { + int maxBits; /* number of bits in longest codeword */ + unsigned char count[MAX_HUFF_BITS]; /* count[i] = number of codes with length i+1 bits */ + int offset; /* offset into symbol table */ +} HuffInfo; + +/* need one SBRHeader per element (SCE/CPE), updated only on new header */ +typedef struct _SBRHeader { + int count; + + unsigned char ampRes; + unsigned char startFreq; + unsigned char stopFreq; + unsigned char crossOverBand; + unsigned char resBitsHdr; + unsigned char hdrExtra1; + unsigned char hdrExtra2; + + unsigned char freqScale; + unsigned char alterScale; + unsigned char noiseBands; + + unsigned char limiterBands; + unsigned char limiterGains; + unsigned char interpFreq; + unsigned char smoothMode; +} SBRHeader; + +/* need one SBRGrid per channel, updated every frame */ +typedef struct _SBRGrid { + unsigned char frameClass; + unsigned char ampResFrame; + unsigned char pointer; + + unsigned char numEnv; /* L_E */ + unsigned char envTimeBorder[MAX_NUM_ENV + 1]; /* t_E */ + unsigned char freqRes[MAX_NUM_ENV]; /* r */ + + unsigned char numNoiseFloors; /* L_Q */ + unsigned char noiseTimeBorder[MAX_NUM_NOISE_FLOORS + 1]; /* t_Q */ + + unsigned char numEnvPrev; + unsigned char numNoiseFloorsPrev; + unsigned char freqResPrev; +} SBRGrid; + +/* need one SBRFreq per element (SCE/CPE/LFE), updated only on header reset */ +typedef struct _SBRFreq { + int kStart; /* k_x */ + int nMaster; + int nHigh; + int nLow; + int nLimiter; /* N_l */ + int numQMFBands; /* M */ + int numNoiseFloorBands; /* Nq */ + + int kStartPrev; + int numQMFBandsPrev; + + unsigned char freqMaster[MAX_QMF_BANDS + 1]; /* not necessary to save this after derived tables are generated */ + unsigned char freqHigh[MAX_QMF_BANDS + 1]; + unsigned char freqLow[MAX_QMF_BANDS / 2 + 1]; /* nLow = nHigh - (nHigh >> 1) */ + unsigned char freqNoise[MAX_NUM_NOISE_FLOOR_BANDS + 1]; + unsigned char freqLimiter[MAX_QMF_BANDS / 2 + MAX_NUM_PATCHES]; /* max (intermediate) size = nLow + numPatches - 1 */ + + unsigned char numPatches; + unsigned char patchNumSubbands[MAX_NUM_PATCHES + 1]; + unsigned char patchStartSubband[MAX_NUM_PATCHES + 1]; +} SBRFreq; + +typedef struct _SBRChan { + int reset; + unsigned char deltaFlagEnv[MAX_NUM_ENV]; + unsigned char deltaFlagNoise[MAX_NUM_NOISE_FLOORS]; + + signed char envDataQuant[MAX_NUM_ENV][MAX_QMF_BANDS]; /* range = [0, 127] */ + signed char noiseDataQuant[MAX_NUM_NOISE_FLOORS][MAX_NUM_NOISE_FLOOR_BANDS]; + + unsigned char invfMode[2][MAX_NUM_NOISE_FLOOR_BANDS]; /* invfMode[0/1][band] = prev/curr */ + int chirpFact[MAX_NUM_NOISE_FLOOR_BANDS]; /* bwArray */ + unsigned char addHarmonicFlag[2]; /* addHarmonicFlag[0/1] = prev/curr */ + unsigned char addHarmonic[2][64]; /* addHarmonic[0/1][band] = prev/curr */ + + int gbMask[2]; /* gbMask[0/1] = XBuf[0-31]/XBuf[32-39] */ + signed char laPrev; + + int noiseTabIndex; + int sinIndex; + int gainNoiseIndex; + int gTemp[MAX_NUM_SMOOTH_COEFS][MAX_QMF_BANDS]; + int qTemp[MAX_NUM_SMOOTH_COEFS][MAX_QMF_BANDS]; + +} SBRChan; + +typedef struct _PSInfoSBR { + /* save for entire file */ + int frameCount; + int sampRateIdx; + + /* state info that must be saved for each channel */ + SBRHeader sbrHdr[AAC_MAX_NCHANS]; + SBRGrid sbrGrid[AAC_MAX_NCHANS]; + SBRFreq sbrFreq[AAC_MAX_NCHANS]; + SBRChan sbrChan[AAC_MAX_NCHANS]; + + /* temp variables, no need to save between blocks */ + unsigned char dataExtra; + unsigned char resBitsData; + unsigned char extendedDataPresent; + int extendedDataSize; + + signed char envDataDequantScale[MAX_NCHANS_ELEM][MAX_NUM_ENV]; + int envDataDequant[MAX_NCHANS_ELEM][MAX_NUM_ENV][MAX_QMF_BANDS]; + int noiseDataDequant[MAX_NCHANS_ELEM][MAX_NUM_NOISE_FLOORS][MAX_NUM_NOISE_FLOOR_BANDS]; + + int eCurr[MAX_QMF_BANDS]; + unsigned char eCurrExp[MAX_QMF_BANDS]; + unsigned char eCurrExpMax; + signed char la; + + int crcCheckWord; + int couplingFlag; + int envBand; + int eOMGainMax; + int gainMax; + int gainMaxFBits; + int noiseFloorBand; + int qp1Inv; + int qqp1Inv; + int sMapped; + int sBand; + int highBand; + + int sumEOrigMapped; + int sumECurrGLim; + int sumSM; + int sumQM; + int gLimBoost[MAX_QMF_BANDS]; + int qmLimBoost[MAX_QMF_BANDS]; + int smBoost[MAX_QMF_BANDS]; + + int smBuf[MAX_QMF_BANDS]; + int qmLimBuf[MAX_QMF_BANDS]; + int gLimBuf[MAX_QMF_BANDS]; + int gLimFbits[MAX_QMF_BANDS]; + + int gFiltLast[MAX_QMF_BANDS]; + int qFiltLast[MAX_QMF_BANDS]; + + /* large buffers */ + int delayIdxQMFA[AAC_MAX_NCHANS]; + int delayQMFA[AAC_MAX_NCHANS][DELAY_SAMPS_QMFA]; + int delayIdxQMFS[AAC_MAX_NCHANS]; + int delayQMFS[AAC_MAX_NCHANS][DELAY_SAMPS_QMFS]; + int XBufDelay[AAC_MAX_NCHANS][HF_GEN][64][2]; + int XBuf[32 + 8][64][2]; + +} PSInfoSBR; + +/* sbrfft.c */ +void FFT32C(int *x); + +/* sbrfreq.c */ +int CalcFreqTables(SBRHeader *sbrHdr, SBRFreq *sbrFreq, int sampRateIdx); + +/* sbrhfadj.c */ +void AdjustHighFreq(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch); + +/* sbrhfgen.c */ +void GenerateHighFreq(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch); + +/* sbrhuff.c */ +void DecodeSBREnvelope(BitStreamInfo *bsi, PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch); +void DecodeSBRNoise(BitStreamInfo *bsi, PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch); +void UncoupleSBREnvelope(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChanR); +void UncoupleSBRNoise(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChanR); + +/* sbrmath.c */ +int InvRNormalized(int r); +int RatioPowInv(int a, int b, int c); +int SqrtFix(int x, int fBitsIn, int *fBitsOut); + +/* sbrqmf.c */ +int QMFAnalysis(int *inbuf, int *delay, int *XBuf, int fBitsIn, int *delayIdx, int qmfaBands); +void QMFSynthesis(int *inbuf, int *delay, int *delayIdx, int qmfsBands, short *outbuf, int nChans); + +/* sbrside.c */ +int GetSampRateIdx(int sampRate); +int UnpackSBRHeader(BitStreamInfo *bsi, SBRHeader *sbrHdr); +void UnpackSBRSingleChannel(BitStreamInfo *bsi, PSInfoSBR *psi, int chOut); +void UnpackSBRChannelPair(BitStreamInfo *bsi, PSInfoSBR *psi, int chOut); + +/* sbrtabs.c */ +extern const unsigned char k0Tab[NUM_SAMPLE_RATES_SBR][16]; +extern const unsigned char k2Tab[NUM_SAMPLE_RATES_SBR][14]; +extern const unsigned char goalSBTab[NUM_SAMPLE_RATES_SBR]; +extern const HuffInfo huffTabSBRInfo[10]; +extern const signed short huffTabSBR[604]; +extern const int log2Tab[65]; +extern const int noiseTab[512 * 2]; +extern const int cTabA[165]; +extern const int cTabS[640]; + +#endif /* _SBR_H */ diff --git a/audio_codec/libraac/sbrcov.s b/audio_codec/libraac/sbrcov.s new file mode 100755 index 0000000..0239712 --- a/dev/null +++ b/audio_codec/libraac/sbrcov.s @@ -0,0 +1,164 @@ +@ ***** BEGIN LICENSE BLOCK ***** +@ Source last modified: $Id: sbrcov.s,v 1.1 2005/04/08 21:59:46 jrecker Exp $ +@ +@ Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. +@ +@ The contents of this file, and the files included with this file, +@ are subject to the current version of the RealNetworks Public +@ Source License (the "RPSL") available at +@ http://www.helixcommunity.org/content/rpsl unless you have licensed +@ the file under the current version of the RealNetworks Community +@ Source License (the "RCSL") available at +@ http://www.helixcommunity.org/content/rcsl, in which case the RCSL +@ will apply. You may also obtain the license terms directly from +@ RealNetworks. You may not use this file except in compliance with +@ the RPSL or, if you have a valid RCSL with RealNetworks applicable +@ to this file, the RCSL. Please see the applicable RPSL or RCSL for +@ the rights, obligations and limitations governing use of the +@ contents of the file. +@ +@ This file is part of the Helix DNA Technology. RealNetworks is the +@ developer and/or licensor of the Original Code and owns the +@ copyrights in the portions it created. +@ +@ This file, and the files included with this file, is distributed +@ and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY +@ KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS +@ ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES +@ OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET +@ ENJOYMENT OR NON-INFRINGEMENT. +@ +@ Technology Compatibility Kit Test Suite(s) Location: +@ http://www.helixcommunity.org/content/tck +@ +@ Contributor(s): +@ +@ ***** END LICENSE BLOCK ***** + + .text + .code 32 + .align + +@ void CVKernel1(int *XBuf, int *accBuf) +@ see comments in sbrhfgen.c + + .global raac_CVKernel1 + .type raac_CVKernel1, %function +raac_CVKernel1: + + stmfd sp!, {r4-r11, r14} + + ldr r3, [r0], #4*(1) + ldr r4, [r0], #4*(2*64-1) + ldr r5, [r0], #4*(1) + ldr r6, [r0], #4*(2*64-1) + rsb r14, r4, #0 + + smull r7, r8, r5, r3 + smlal r7, r8, r6, r4 + smull r9, r10, r3, r6 + smlal r9, r10, r14, r5 + smull r11, r12, r3, r3 + smlal r11, r12, r4, r4 + + add r2, r1, #(4*6) + stmia r2, {r7-r12} + + mov r7, #0 + mov r8, #0 + mov r9, #0 + mov r10, #0 + mov r11, #0 + mov r12, #0 + + mov r2, #(16*2 + 6) +CV1_Loop_Start: + mov r3, r5 + ldr r5, [r0], #4*(1) + mov r4, r6 + ldr r6, [r0], #4*(2*64-1) + rsb r14, r4, #0 + + smlal r7, r8, r5, r3 + smlal r7, r8, r6, r4 + smlal r9, r10, r3, r6 + smlal r9, r10, r14, r5 + smlal r11, r12, r3, r3 + smlal r11, r12, r4, r4 + + subs r2, r2, #1 + bne CV1_Loop_Start + + stmia r1, {r7-r12} + + ldr r0, [r1, #4*(6)] + ldr r2, [r1, #4*(7)] + rsb r3, r3, #0 + adds r7, r0, r7 + adc r8, r2, r8 + smlal r7, r8, r5, r3 + smlal r7, r8, r6, r14 + + ldr r0, [r1, #4*(8)] + ldr r2, [r1, #4*(9)] + adds r9, r0, r9 + adc r10, r2, r10 + smlal r9, r10, r3, r6 + smlal r9, r10, r4, r5 + + ldr r0, [r1, #4*(10)] + ldr r2, [r1, #4*(11)] + adds r11, r0, r11 + adc r12, r2, r12 + rsb r0, r3, #0 + smlal r11, r12, r3, r0 + rsb r2, r4, #0 + smlal r11, r12, r4, r2 + + add r1, r1, #(4*6) + stmia r1, {r7-r12} + + ldmfd sp!, {r4-r11, pc} + +@ void CVKernel2(int *XBuf, int *accBuf) +@ see comments in sbrhfgen.c + + .global raac_CVKernel2 + .type raac_CVKernel2, %function +raac_CVKernel2: + stmfd sp!, {r4-r11, r14} + + mov r7, #0 + mov r8, #0 + mov r9, #0 + mov r10, #0 + + ldr r3, [r0], #4*(1) + ldr r4, [r0], #4*(2*64-1) + ldr r5, [r0], #4*(1) + ldr r6, [r0], #4*(2*64-1) + + mov r2, #(16*2 + 6) +CV2_Loop_Start: + ldr r11, [r0], #4*(1) + ldr r12, [r0], #4*(2*64-1) + rsb r14, r4, #0 + + smlal r7, r8, r11, r3 + smlal r7, r8, r12, r4 + smlal r9, r10, r3, r12 + smlal r9, r10, r14, r11 + + mov r3, r5 + mov r4, r6 + mov r5, r11 + mov r6, r12 + + subs r2, r2, #1 + bne CV2_Loop_Start + + stmia r1, {r7-r10} + + ldmfd sp!, {r4-r11, pc} + + .end diff --git a/audio_codec/libraac/sbrfft.c b/audio_codec/libraac/sbrfft.c new file mode 100644 index 0000000..2f74fc5 --- a/dev/null +++ b/audio_codec/libraac/sbrfft.c @@ -0,0 +1,368 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrfft.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * sbrfft.c - optimized FFT for SBR QMF filters + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +#define SQRT1_2 0x5a82799a + +/* swap RE{p0} with RE{p1} and IM{P0} with IM{P1} */ +#define swapcplx(p0,p1) \ + t = p0; t1 = *(&(p0)+1); p0 = p1; *(&(p0)+1) = *(&(p1)+1); p1 = t; *(&(p1)+1) = t1 + +/* nfft = 32, hard coded since small, fixed size FFT +static const unsigned char bitrevtab32[9] = { + 0x01, 0x04, 0x03, 0x06, 0x00, 0x02, 0x05, 0x07, 0x00, +}; +*/ + +/* twiddle table for radix 4 pass, format = Q31 */ +static const int twidTabOdd32[8 * 6] = { + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x539eba45, 0xe7821d59, + 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, + 0x539eba45, 0xc4df2862, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x22a2f4f8, 0xc4df2862, + 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, + 0xac6145bb, 0x187de2a7, 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, +}; + +/************************************************************************************** + * Function: BitReverse32 + * + * Description: Ken's fast in-place bit reverse + * + * Inputs: buffer of 32 complex samples + * + * Outputs: bit-reversed samples in same buffer + * + * Return: none +**************************************************************************************/ +static void BitReverse32(int *inout) +{ + int t, t1; + + swapcplx(inout[2], inout[32]); + swapcplx(inout[4], inout[16]); + swapcplx(inout[6], inout[48]); + swapcplx(inout[10], inout[40]); + swapcplx(inout[12], inout[24]); + swapcplx(inout[14], inout[56]); + swapcplx(inout[18], inout[36]); + swapcplx(inout[22], inout[52]); + swapcplx(inout[26], inout[44]); + swapcplx(inout[30], inout[60]); + swapcplx(inout[38], inout[50]); + swapcplx(inout[46], inout[58]); +} + +/************************************************************************************** + * Function: R8FirstPass32 + * + * Description: radix-8 trivial pass for decimation-in-time FFT (log2(N) = 5) + * + * Inputs: buffer of (bit-reversed) samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 3 guard bits, gains 1 integer bit + * guard bits out = guard bits in - 3 (if inputs are full scale) + * or guard bits in - 2 (if inputs bounded to +/- sqrt(2)/2) + * see scaling comments in fft.c for base AAC + * should compile with no stack spills on ARM (verify compiled output) + * current instruction count (per pass): 16 LDR, 16 STR, 4 SMULL, 61 ALU + **************************************************************************************/ +static void R8FirstPass32(int *r0) +{ + int r1, r2, r3, r4, r5, r6, r7; + int r8, r9, r10, r11, r12, r14; + + /* number of passes = fft size / 8 = 32 / 8 = 4 */ + r1 = (32 >> 3); + do { + + r2 = r0[8]; + r3 = r0[9]; + r4 = r0[10]; + r5 = r0[11]; + r6 = r0[12]; + r7 = r0[13]; + r8 = r0[14]; + r9 = r0[15]; + + r10 = r2 + r4; + r11 = r3 + r5; + r12 = r6 + r8; + r14 = r7 + r9; + + r2 -= r4; + r3 -= r5; + r6 -= r8; + r7 -= r9; + + r4 = r2 - r7; + r5 = r2 + r7; + r8 = r3 - r6; + r9 = r3 + r6; + + r2 = r4 - r9; + r3 = r4 + r9; + r6 = r5 - r8; + r7 = r5 + r8; + + r2 = MULSHIFT32(SQRT1_2, r2); /* can use r4, r5, r8, or r9 for constant and lo32 scratch reg */ + r3 = MULSHIFT32(SQRT1_2, r3); + r6 = MULSHIFT32(SQRT1_2, r6); + r7 = MULSHIFT32(SQRT1_2, r7); + + r4 = r10 + r12; + r5 = r10 - r12; + r8 = r11 + r14; + r9 = r11 - r14; + + r10 = r0[0]; + r11 = r0[2]; + r12 = r0[4]; + r14 = r0[6]; + + r10 += r11; + r12 += r14; + + r4 >>= 1; + r10 += r12; + r4 += (r10 >> 1); + r0[ 0] = r4; + r4 -= (r10 >> 1); + r4 = (r10 >> 1) - r4; + r0[ 8] = r4; + + r9 >>= 1; + r10 -= 2 * r12; + r4 = (r10 >> 1) + r9; + r0[ 4] = r4; + r4 = (r10 >> 1) - r9; + r0[12] = r4; + r10 += r12; + + r10 -= 2 * r11; + r12 -= 2 * r14; + + r4 = r0[1]; + r9 = r0[3]; + r11 = r0[5]; + r14 = r0[7]; + + r4 += r9; + r11 += r14; + + r8 >>= 1; + r4 += r11; + r8 += (r4 >> 1); + r0[ 1] = r8; + r8 -= (r4 >> 1); + r8 = (r4 >> 1) - r8; + r0[ 9] = r8; + + r5 >>= 1; + r4 -= 2 * r11; + r8 = (r4 >> 1) - r5; + r0[ 5] = r8; + r8 = (r4 >> 1) + r5; + r0[13] = r8; + r4 += r11; + + r4 -= 2 * r9; + r11 -= 2 * r14; + + r9 = r10 - r11; + r10 += r11; + r14 = r4 + r12; + r4 -= r12; + + r5 = (r10 >> 1) + r7; + r8 = (r4 >> 1) - r6; + r0[ 2] = r5; + r0[ 3] = r8; + + r5 = (r9 >> 1) - r2; + r8 = (r14 >> 1) - r3; + r0[ 6] = r5; + r0[ 7] = r8; + + r5 = (r10 >> 1) - r7; + r8 = (r4 >> 1) + r6; + r0[10] = r5; + r0[11] = r8; + + r5 = (r9 >> 1) + r2; + r8 = (r14 >> 1) + r3; + r0[14] = r5; + r0[15] = r8; + + r0 += 16; + r1--; + } while (r1 != 0); +} + +/************************************************************************************** + * Function: R4Core32 + * + * Description: radix-4 pass for 32-point decimation-in-time FFT + * + * Inputs: buffer of samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: gain 2 integer bits + * guard bits out = guard bits in - 1 (if inputs are full scale) + * see scaling comments in fft.c for base AAC + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + * should compile with no stack spills on ARM (verify compiled output) + * current instruction count (per pass): 16 LDR, 16 STR, 4 SMULL, 61 ALU + **************************************************************************************/ +static void R4Core32(int *r0) +{ + int r2, r3, r4, r5, r6, r7; + int r8, r9, r10, r12, r14; + int *r1; + + r1 = (int *)twidTabOdd32; + r10 = 8; + do { + /* can use r14 for lo32 scratch register in all MULSHIFT32 */ + r2 = r1[0]; + r3 = r1[1]; + r4 = r0[16]; + r5 = r0[17]; + r12 = r4 + r5; + r12 = MULSHIFT32(r3, r12); + r5 = MULSHIFT32(r2, r5) + r12; + r2 += 2 * r3; + r4 = MULSHIFT32(r2, r4) - r12; + + r2 = r1[2]; + r3 = r1[3]; + r6 = r0[32]; + r7 = r0[33]; + r12 = r6 + r7; + r12 = MULSHIFT32(r3, r12); + r7 = MULSHIFT32(r2, r7) + r12; + r2 += 2 * r3; + r6 = MULSHIFT32(r2, r6) - r12; + + r2 = r1[4]; + r3 = r1[5]; + r8 = r0[48]; + r9 = r0[49]; + r12 = r8 + r9; + r12 = MULSHIFT32(r3, r12); + r9 = MULSHIFT32(r2, r9) + r12; + r2 += 2 * r3; + r8 = MULSHIFT32(r2, r8) - r12; + + r2 = r0[0]; + r3 = r0[1]; + + r12 = r6 + r8; + r8 = r6 - r8; + r14 = r9 - r7; + r9 = r9 + r7; + + r6 = (r2 >> 2) - r4; + r7 = (r3 >> 2) - r5; + r4 += (r2 >> 2); + r5 += (r3 >> 2); + + r2 = r4 + r12; + r3 = r5 + r9; + r0[0] = r2; + r0[1] = r3; + r2 = r6 - r14; + r3 = r7 - r8; + r0[16] = r2; + r0[17] = r3; + r2 = r4 - r12; + r3 = r5 - r9; + r0[32] = r2; + r0[33] = r3; + r2 = r6 + r14; + r3 = r7 + r8; + r0[48] = r2; + r0[49] = r3; + + r0 += 2; + r1 += 6; + r10--; + } while (r10 != 0); +} + +/************************************************************************************** + * Function: FFT32C + * + * Description: Ken's very fast in-place radix-4 decimation-in-time FFT + * + * Inputs: buffer of 32 complex samples (before bit-reversal) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 3 guard bits in, gains 3 integer bits + * guard bits out = guard bits in - 2 + * (guard bit analysis includes assumptions about steps immediately + * before and after, i.e. PreMul and PostMul for DCT) + **************************************************************************************/ +void FFT32C(int *x) +{ + /* decimation in time */ + BitReverse32(x); + + /* 32-point complex FFT */ + R8FirstPass32(x); /* gain 1 int bit, lose 2 GB (making assumptions about input) */ + R4Core32(x); /* gain 2 int bits, lose 0 GB (making assumptions about input) */ +} diff --git a/audio_codec/libraac/sbrfreq.c b/audio_codec/libraac/sbrfreq.c new file mode 100644 index 0000000..e391046 --- a/dev/null +++ b/audio_codec/libraac/sbrfreq.c @@ -0,0 +1,667 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrfreq.c,v 1.2 2005/05/20 18:05:41 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrfreq.c - frequency band table calculation for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +/************************************************************************************** + * Function: BubbleSort + * + * Description: in-place sort of unsigned chars + * + * Inputs: buffer of elements to sort + * number of elements to sort + * + * Outputs: sorted buffer + * + * Return: none + **************************************************************************************/ +static void BubbleSort(unsigned char *v, int nItems) +{ + int i; + unsigned char t; + + while (nItems >= 2) { + for (i = 0; i < nItems - 1; i++) { + if (v[i + 1] < v[i]) { + t = v[i + 1]; + v[i + 1] = v[i]; + v[i] = t; + } + } + nItems--; + } +} + +/************************************************************************************** + * Function: VMin + * + * Description: find smallest element in a buffer of unsigned chars + * + * Inputs: buffer of elements to search + * number of elements to search + * + * Outputs: none + * + * Return: smallest element in buffer + **************************************************************************************/ +static unsigned char VMin(unsigned char *v, int nItems) +{ + int i; + unsigned char vMin; + + vMin = v[0]; + for (i = 1; i < nItems; i++) { + if (v[i] < vMin) { + vMin = v[i]; + } + } + return vMin; +} + +/************************************************************************************** + * Function: VMax + * + * Description: find largest element in a buffer of unsigned chars + * + * Inputs: buffer of elements to search + * number of elements to search + * + * Outputs: none + * + * Return: largest element in buffer + **************************************************************************************/ +static unsigned char VMax(unsigned char *v, int nItems) +{ + int i; + unsigned char vMax; + + vMax = v[0]; + for (i = 1; i < nItems; i++) { + if (v[i] > vMax) { + vMax = v[i]; + } + } + return vMax; +} + +/************************************************************************************** + * Function: CalcFreqMasterScaleZero + * + * Description: calculate master frequency table when freqScale == 0 + * (4.6.18.3.2.1, figure 4.39) + * + * Inputs: alterScale flag + * index of first QMF subband in master freq table (k0) + * index of last QMF subband (k2) + * + * Outputs: master frequency table + * + * Return: number of bands in master frequency table + * + * Notes: assumes k2 - k0 <= 48 and k2 >= k0 (4.6.18.3.6) + **************************************************************************************/ +static int CalcFreqMasterScaleZero(unsigned char *freqMaster, int alterScale, int k0, int k2) +{ + int nMaster, k, nBands, k2Achieved, dk, vDk[64], k2Diff; + + if (alterScale) { + dk = 2; + nBands = 2 * ((k2 - k0 + 2) >> 2); + } else { + dk = 1; + nBands = 2 * ((k2 - k0) >> 1); + } + + if (nBands <= 0) { + return 0; + } + + k2Achieved = k0 + nBands * dk; + k2Diff = k2 - k2Achieved; + for (k = 0; k < nBands; k++) { + vDk[k] = dk; + } + + if (k2Diff > 0) { + k = nBands - 1; + while (k2Diff) { + vDk[k]++; + k--; + k2Diff--; + } + } else if (k2Diff < 0) { + k = 0; + while (k2Diff) { + vDk[k]--; + k++; + k2Diff++; + } + } + + nMaster = nBands; + freqMaster[0] = k0; + for (k = 1; k <= nBands; k++) { + freqMaster[k] = freqMaster[k - 1] + vDk[k - 1]; + } + + return nMaster; +} + +/* mBandTab[i] = temp1[i] / 2 */ +static const int mBandTab[3] = {6, 5, 4}; + +/* invWarpTab[i] = 1.0 / temp2[i], Q30 (see 4.6.18.3.2.1) */ +static const int invWarpTab[2] = {0x40000000, 0x313b13b1}; + +/************************************************************************************** + * Function: CalcFreqMasterScale + * + * Description: calculate master frequency table when freqScale > 0 + * (4.6.18.3.2.1, figure 4.39) + * + * Inputs: alterScale flag + * freqScale flag + * index of first QMF subband in master freq table (k0) + * index of last QMF subband (k2) + * + * Outputs: master frequency table + * + * Return: number of bands in master frequency table + * + * Notes: assumes k2 - k0 <= 48 and k2 >= k0 (4.6.18.3.6) + **************************************************************************************/ +static int CalcFreqMaster(unsigned char *freqMaster, int freqScale, int alterScale, int k0, int k2) +{ + int bands, twoRegions, k, k1, t, vLast, vCurr, pCurr; + int invWarp, nBands0, nBands1, change; + unsigned char vDk1Min, vDk0Max; + unsigned char *vDelta; + + if (freqScale < 1 || freqScale > 3) { + return -1; + } + + bands = mBandTab[freqScale - 1]; + invWarp = invWarpTab[alterScale]; + + /* tested for all k0 = [5, 64], k2 = [k0, 64] */ + if (k2 * 10000 > 22449 * k0) { + twoRegions = 1; + k1 = 2 * k0; + } else { + twoRegions = 0; + k1 = k2; + } + + /* tested for all k0 = [5, 64], k1 = [k0, 64], freqScale = [1,3] */ + t = (log2Tab[k1] - log2Tab[k0]) >> 3; /* log2(k1/k0), Q28 to Q25 */ + nBands0 = 2 * (((bands * t) + (1 << 24)) >> 25); /* multiply by bands/2, round to nearest int (mBandTab has factor of 1/2 rolled in) */ + + /* tested for all valid combinations of k0, k1, nBands (from sampRate, freqScale, alterScale) + * roundoff error can be a problem with fixpt (e.g. pCurr = 12.499999 instead of 12.50003) + * because successive multiplication always undershoots a little bit, but this + * doesn't occur in any of the ratios we encounter from the valid k0/k1 bands in the spec + */ + t = RatioPowInv(k1, k0, nBands0); + pCurr = k0 << 24; + vLast = k0; + vDelta = freqMaster + 1; /* operate in-place */ + for (k = 0; k < nBands0; k++) { + pCurr = MULSHIFT32(pCurr, t) << 8; /* keep in Q24 */ + vCurr = (pCurr + (1 << 23)) >> 24; + vDelta[k] = (vCurr - vLast); + vLast = vCurr; + } + + /* sort the deltas and find max delta for first region */ + BubbleSort(vDelta, nBands0); + vDk0Max = VMax(vDelta, nBands0); + + /* fill master frequency table with bands from first region */ + freqMaster[0] = k0; + for (k = 1; k <= nBands0; k++) { + freqMaster[k] += freqMaster[k - 1]; + } + + /* if only one region, then the table is complete */ + if (!twoRegions) { + return nBands0; + } + + /* tested for all k1 = [10, 64], k2 = [k0, 64], freqScale = [1,3] */ + t = (log2Tab[k2] - log2Tab[k1]) >> 3; /* log2(k1/k0), Q28 to Q25 */ + t = MULSHIFT32(bands * t, invWarp) << 2; /* multiply by bands/2, divide by warp factor, keep Q25 */ + nBands1 = 2 * ((t + (1 << 24)) >> 25); /* round to nearest int */ + + /* see comments above for calculations in first region */ + t = RatioPowInv(k2, k1, nBands1); + pCurr = k1 << 24; + vLast = k1; + vDelta = freqMaster + nBands0 + 1; /* operate in-place */ + for (k = 0; k < nBands1; k++) { + pCurr = MULSHIFT32(pCurr, t) << 8; /* keep in Q24 */ + vCurr = (pCurr + (1 << 23)) >> 24; + vDelta[k] = (vCurr - vLast); + vLast = vCurr; + } + + /* sort the deltas, adjusting first and last if the second region has smaller deltas than the first */ + vDk1Min = VMin(vDelta, nBands1); + if (vDk1Min < vDk0Max) { + BubbleSort(vDelta, nBands1); + change = vDk0Max - vDelta[0]; + if (change > ((vDelta[nBands1 - 1] - vDelta[0]) >> 1)) { + change = ((vDelta[nBands1 - 1] - vDelta[0]) >> 1); + } + vDelta[0] += change; + vDelta[nBands1 - 1] -= change; + } + BubbleSort(vDelta, nBands1); + + /* fill master frequency table with bands from second region + * Note: freqMaster[nBands0] = k1 + */ + for (k = 1; k <= nBands1; k++) { + freqMaster[k + nBands0] += freqMaster[k + nBands0 - 1]; + } + + return (nBands0 + nBands1); +} + +/************************************************************************************** + * Function: CalcFreqHigh + * + * Description: calculate high resolution frequency table (4.6.18.3.2.2) + * + * Inputs: master frequency table + * number of bands in master frequency table + * crossover band from header + * + * Outputs: high resolution frequency table + * + * Return: number of bands in high resolution frequency table + **************************************************************************************/ +static int CalcFreqHigh(unsigned char *freqHigh, unsigned char *freqMaster, int nMaster, int crossOverBand) +{ + int k, nHigh; + + nHigh = nMaster - crossOverBand; + + for (k = 0; k <= nHigh; k++) { + freqHigh[k] = freqMaster[k + crossOverBand]; + } + + return nHigh; +} + +/************************************************************************************** + * Function: CalcFreqLow + * + * Description: calculate low resolution frequency table (4.6.18.3.2.2) + * + * Inputs: high resolution frequency table + * number of bands in high resolution frequency table + * + * Outputs: low resolution frequency table + * + * Return: number of bands in low resolution frequency table + **************************************************************************************/ +static int CalcFreqLow(unsigned char *freqLow, unsigned char *freqHigh, int nHigh) +{ + int k, nLow, oddFlag; + + nLow = nHigh - (nHigh >> 1); + freqLow[0] = freqHigh[0]; + oddFlag = nHigh & 0x01; + + for (k = 1; k <= nLow; k++) { + freqLow[k] = freqHigh[2 * k - oddFlag]; + } + + return nLow; +} + +/************************************************************************************** + * Function: CalcFreqNoise + * + * Description: calculate noise floor frequency table (4.6.18.3.2.2) + * + * Inputs: low resolution frequency table + * number of bands in low resolution frequency table + * index of starting QMF subband for SBR (kStart) + * index of last QMF subband (k2) + * number of noise bands + * + * Outputs: noise floor frequency table + * + * Return: number of bands in noise floor frequency table + **************************************************************************************/ +static int CalcFreqNoise(unsigned char *freqNoise, unsigned char *freqLow, int nLow, int kStart, int k2, int noiseBands) +{ + int i, iLast, k, nQ, lTop, lBottom; + + lTop = log2Tab[k2]; + lBottom = log2Tab[kStart]; + nQ = noiseBands * ((lTop - lBottom) >> 2); /* Q28 to Q26, noiseBands = [0,3] */ + nQ = (nQ + (1 << 25)) >> 26; + if (nQ < 1) { + nQ = 1; + } + + ASSERT(nQ <= MAX_NUM_NOISE_FLOOR_BANDS); /* required from 4.6.18.3.6 */ + + iLast = 0; + freqNoise[0] = freqLow[0]; + for (k = 1; k <= nQ; k++) { + i = iLast + (nLow - iLast) / (nQ + 1 - k); /* truncating division */ + freqNoise[k] = freqLow[i]; + iLast = i; + } + + return nQ; +} + +/************************************************************************************** + * Function: BuildPatches + * + * Description: build high frequency patches (4.6.18.6.3) + * + * Inputs: master frequency table + * number of bands in low resolution frequency table + * index of first QMF subband in master freq table (k0) + * index of starting QMF subband for SBR (kStart) + * number of QMF bands in high resolution frequency table + * sample rate index + * + * Outputs: starting subband for each patch + * number of subbands in each patch + * + * Return: number of patches + **************************************************************************************/ +static int BuildPatches(unsigned char *patchNumSubbands, unsigned char *patchStartSubband, unsigned char *freqMaster, + int nMaster, int k0, int kStart, int numQMFBands, int sampRateIdx) +{ + int i, j, k; + int msb, sb, usb, numPatches, goalSB, oddFlag; + + msb = k0; + usb = kStart; + numPatches = 0; + goalSB = goalSBTab[sampRateIdx]; + + if (nMaster == 0) { + patchNumSubbands[0] = 0; + patchStartSubband[0] = 0; + return 0; + } + + if (goalSB < kStart + numQMFBands) { + k = 0; + for (i = 0; freqMaster[i] < goalSB; i++) { + k = i + 1; + } + } else { + k = nMaster; + } + + do { + j = k + 1; + do { + j--; + sb = freqMaster[j]; + oddFlag = (sb - 2 + k0) & 0x01; + } while (sb > k0 - 1 + msb - oddFlag); + + patchNumSubbands[numPatches] = MAX(sb - usb, 0); + patchStartSubband[numPatches] = k0 - oddFlag - patchNumSubbands[numPatches]; + + /* from MPEG reference code - slightly different from spec */ + if ((patchNumSubbands[numPatches] < 3) && (numPatches > 0)) { + break; + } + + if (patchNumSubbands[numPatches] > 0) { + usb = sb; + msb = sb; + numPatches++; + } else { + msb = kStart; + } + + if (freqMaster[k] - sb < 3) { + k = nMaster; + } + + } while (sb != (kStart + numQMFBands) && numPatches <= MAX_NUM_PATCHES); + + return numPatches; +} + +/************************************************************************************** + * Function: FindFreq + * + * Description: search buffer of unsigned chars for a specific value + * + * Inputs: buffer of elements to search + * number of elements to search + * value to search for + * + * Outputs: none + * + * Return: non-zero if the value is found anywhere in the buffer, zero otherwise + **************************************************************************************/ +static int FindFreq(unsigned char *freq, int nFreq, unsigned char val) +{ + int k; + + for (k = 0; k < nFreq; k++) { + if (freq[k] == val) { + return 1; + } + } + + return 0; +} + +/************************************************************************************** + * Function: RemoveFreq + * + * Description: remove one element from a buffer of unsigned chars + * + * Inputs: buffer of elements + * number of elements + * index of element to remove + * + * Outputs: new buffer of length nFreq-1 + * + * Return: none + **************************************************************************************/ +static void RemoveFreq(unsigned char *freq, int nFreq, int removeIdx) +{ + int k; + + if (removeIdx >= nFreq) { + return; + } + + for (k = removeIdx; k < nFreq - 1; k++) { + freq[k] = freq[k + 1]; + } +} + +/************************************************************************************** + * Function: CalcFreqLimiter + * + * Description: calculate limiter frequency table (4.6.18.3.2.3) + * + * Inputs: number of subbands in each patch + * low resolution frequency table + * number of bands in low resolution frequency table + * index of starting QMF subband for SBR (kStart) + * number of limiter bands + * number of patches + * + * Outputs: limiter frequency table + * + * Return: number of bands in limiter frequency table + **************************************************************************************/ +static int CalcFreqLimiter(unsigned char *freqLimiter, unsigned char *patchNumSubbands, unsigned char *freqLow, + int nLow, int kStart, int limiterBands, int numPatches) +{ + int k, bands, nLimiter, nOctaves; + int limBandsPerOctave[3] = {120, 200, 300}; /* [1.2, 2.0, 3.0] * 100 */ + unsigned char patchBorders[MAX_NUM_PATCHES + 1]; + + /* simple case */ + if (limiterBands == 0) { + freqLimiter[0] = freqLow[0] - kStart; + freqLimiter[1] = freqLow[nLow] - kStart; + return 1; + } + + bands = limBandsPerOctave[limiterBands - 1]; + patchBorders[0] = kStart; + + /* from MPEG reference code - slightly different from spec (top border) */ + for (k = 1; k < numPatches; k++) { + patchBorders[k] = patchBorders[k - 1] + patchNumSubbands[k - 1]; + } + patchBorders[k] = freqLow[nLow]; + + for (k = 0; k <= nLow; k++) { + freqLimiter[k] = freqLow[k]; + } + + for (k = 1; k < numPatches; k++) { + freqLimiter[k + nLow] = patchBorders[k]; + } + + k = 1; + nLimiter = nLow + numPatches - 1; + BubbleSort(freqLimiter, nLimiter + 1); + + while (k <= nLimiter) { + nOctaves = log2Tab[freqLimiter[k]] - log2Tab[freqLimiter[k - 1]]; /* Q28 */ + nOctaves = (nOctaves >> 9) * bands; /* Q19, max bands = 300 < 2^9 */ + if (nOctaves < (49 << 19)) { /* compare with 0.49*100, in Q19 */ + if (freqLimiter[k] == freqLimiter[k - 1] || FindFreq(patchBorders, numPatches + 1, freqLimiter[k]) == 0) { + RemoveFreq(freqLimiter, nLimiter + 1, k); + nLimiter--; + } else if (FindFreq(patchBorders, numPatches + 1, freqLimiter[k - 1]) == 0) { + RemoveFreq(freqLimiter, nLimiter + 1, k - 1); + nLimiter--; + } else { + k++; + } + } else { + k++; + } + } + + /* store limiter boundaries as offsets from kStart */ + for (k = 0; k <= nLimiter; k++) { + freqLimiter[k] -= kStart; + } + + return nLimiter; +} + +/************************************************************************************** + * Function: CalcFreqTables + * + * Description: calulate master and derived frequency tables, and patches + * + * Inputs: initialized SBRHeader struct for this SCE/CPE block + * initialized SBRFreq struct for this SCE/CPE block + * sample rate index of output sample rate (after SBR) + * + * Outputs: master and derived frequency tables, and patches + * + * Return: non-zero if error, zero otherwise + **************************************************************************************/ +int CalcFreqTables(SBRHeader *sbrHdr, SBRFreq *sbrFreq, int sampRateIdx) +{ + int k0, k2; + + k0 = k0Tab[sampRateIdx][sbrHdr->startFreq]; + + if (sbrHdr->stopFreq == 14) { + k2 = 2 * k0; + } else if (sbrHdr->stopFreq == 15) { + k2 = 3 * k0; + } else { + k2 = k2Tab[sampRateIdx][sbrHdr->stopFreq]; + } + if (k2 > 64) { + k2 = 64; + } + + /* calculate master frequency table */ + if (sbrHdr->freqScale == 0) { + sbrFreq->nMaster = CalcFreqMasterScaleZero(sbrFreq->freqMaster, sbrHdr->alterScale, k0, k2); + } else { + sbrFreq->nMaster = CalcFreqMaster(sbrFreq->freqMaster, sbrHdr->freqScale, sbrHdr->alterScale, k0, k2); + } + + /* calculate high frequency table and related parameters */ + sbrFreq->nHigh = CalcFreqHigh(sbrFreq->freqHigh, sbrFreq->freqMaster, sbrFreq->nMaster, sbrHdr->crossOverBand); + sbrFreq->numQMFBands = sbrFreq->freqHigh[sbrFreq->nHigh] - sbrFreq->freqHigh[0]; + sbrFreq->kStart = sbrFreq->freqHigh[0]; + + /* calculate low frequency table */ + sbrFreq->nLow = CalcFreqLow(sbrFreq->freqLow, sbrFreq->freqHigh, sbrFreq->nHigh); + + /* calculate noise floor frequency table */ + sbrFreq->numNoiseFloorBands = CalcFreqNoise(sbrFreq->freqNoise, sbrFreq->freqLow, sbrFreq->nLow, sbrFreq->kStart, k2, sbrHdr->noiseBands); + + /* calculate limiter table */ + sbrFreq->numPatches = BuildPatches(sbrFreq->patchNumSubbands, sbrFreq->patchStartSubband, sbrFreq->freqMaster, + sbrFreq->nMaster, k0, sbrFreq->kStart, sbrFreq->numQMFBands, sampRateIdx); + sbrFreq->nLimiter = CalcFreqLimiter(sbrFreq->freqLimiter, sbrFreq->patchNumSubbands, sbrFreq->freqLow, sbrFreq->nLow, sbrFreq->kStart, + sbrHdr->limiterBands, sbrFreq->numPatches); + + return 0; +} diff --git a/audio_codec/libraac/sbrhfadj.c b/audio_codec/libraac/sbrhfadj.c new file mode 100644 index 0000000..f82e749 --- a/dev/null +++ b/audio_codec/libraac/sbrhfadj.c @@ -0,0 +1,877 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrhfadj.c,v 1.3 2005/05/24 16:01:55 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrhfadj.c - high frequency adjustment for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +/* invBandTab[i] = 1.0 / (i + 1), Q31 */ +static const int invBandTab[64] = { + 0x7fffffff, 0x40000000, 0x2aaaaaab, 0x20000000, 0x1999999a, 0x15555555, 0x12492492, 0x10000000, + 0x0e38e38e, 0x0ccccccd, 0x0ba2e8ba, 0x0aaaaaab, 0x09d89d8a, 0x09249249, 0x08888889, 0x08000000, + 0x07878788, 0x071c71c7, 0x06bca1af, 0x06666666, 0x06186186, 0x05d1745d, 0x0590b216, 0x05555555, + 0x051eb852, 0x04ec4ec5, 0x04bda12f, 0x04924925, 0x0469ee58, 0x04444444, 0x04210842, 0x04000000, + 0x03e0f83e, 0x03c3c3c4, 0x03a83a84, 0x038e38e4, 0x03759f23, 0x035e50d8, 0x03483483, 0x03333333, + 0x031f3832, 0x030c30c3, 0x02fa0be8, 0x02e8ba2f, 0x02d82d83, 0x02c8590b, 0x02b93105, 0x02aaaaab, + 0x029cbc15, 0x028f5c29, 0x02828283, 0x02762762, 0x026a439f, 0x025ed098, 0x0253c825, 0x02492492, + 0x023ee090, 0x0234f72c, 0x022b63cc, 0x02222222, 0x02192e2a, 0x02108421, 0x02082082, 0x02000000, +}; + +/************************************************************************************** + * Function: EstimateEnvelope + * + * Description: estimate power of generated HF QMF bands in one time-domain envelope + * (4.6.18.7.3) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * index of current envelope + * + * Outputs: power of each QMF subband, stored as integer (Q0) * 2^N, N >= 0 + * + * Return: none + **************************************************************************************/ +static void EstimateEnvelope(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, int env) +{ + int i, m, iStart, iEnd, xre, xim, nScale, expMax; + int p, n, mStart, mEnd, invFact, t; + int *XBuf; + U64 eCurr; + unsigned char *freqBandTab; + + /* estimate current envelope */ + iStart = sbrGrid->envTimeBorder[env] + HF_ADJ; + iEnd = sbrGrid->envTimeBorder[env + 1] + HF_ADJ; + if (sbrGrid->freqRes[env]) { + n = sbrFreq->nHigh; + freqBandTab = sbrFreq->freqHigh; + } else { + n = sbrFreq->nLow; + freqBandTab = sbrFreq->freqLow; + } + + /* ADS should inline MADD64 (smlal) properly, but check to make sure */ + expMax = 0; + if (sbrHdr->interpFreq) { + for (m = 0; m < sbrFreq->numQMFBands; m++) { + eCurr.w64 = 0; + XBuf = psi->XBuf[iStart][sbrFreq->kStart + m]; + for (i = iStart; i < iEnd; i++) { + /* scale to int before calculating power (precision not critical, and avoids overflow) */ + xre = (*XBuf) >> FBITS_OUT_QMFA; + XBuf += 1; + xim = (*XBuf) >> FBITS_OUT_QMFA; + XBuf += (2 * 64 - 1); + eCurr.w64 = MADD64(eCurr.w64, xre, xre); + eCurr.w64 = MADD64(eCurr.w64, xim, xim); + } + + /* eCurr.w64 is now Q(64 - 2*FBITS_OUT_QMFA) (64-bit word) + * if energy is too big to fit in 32-bit word (> 2^31) scale down by power of 2 + */ + nScale = 0; + if (eCurr.r.hi32) { + nScale = (32 - CLZ(eCurr.r.hi32)) + 1; + t = (int)(eCurr.r.lo32 >> nScale); /* logical (unsigned) >> */ + t |= eCurr.r.hi32 << (32 - nScale); + } else if (eCurr.r.lo32 >> 31) { + nScale = 1; + t = (int)(eCurr.r.lo32 >> nScale); /* logical (unsigned) >> */ + } else { + t = (int)eCurr.r.lo32; + } + + invFact = invBandTab[(iEnd - iStart) - 1]; + psi->eCurr[m] = MULSHIFT32(t, invFact); + psi->eCurrExp[m] = nScale + 1; /* +1 for invFact = Q31 */ + if (psi->eCurrExp[m] > expMax) { + expMax = psi->eCurrExp[m]; + } + } + } else { + for (p = 0; p < n; p++) { + mStart = freqBandTab[p]; + mEnd = freqBandTab[p + 1]; + eCurr.w64 = 0; + for (i = iStart; i < iEnd; i++) { + XBuf = psi->XBuf[i][mStart]; + for (m = mStart; m < mEnd; m++) { + xre = (*XBuf++) >> FBITS_OUT_QMFA; + xim = (*XBuf++) >> FBITS_OUT_QMFA; + eCurr.w64 = MADD64(eCurr.w64, xre, xre); + eCurr.w64 = MADD64(eCurr.w64, xim, xim); + } + } + + nScale = 0; + if (eCurr.r.hi32) { + nScale = (32 - CLZ(eCurr.r.hi32)) + 1; + t = (int)(eCurr.r.lo32 >> nScale); /* logical (unsigned) >> */ + t |= eCurr.r.hi32 << (32 - nScale); + } else if (eCurr.r.lo32 >> 31) { + nScale = 1; + t = (int)(eCurr.r.lo32 >> nScale); /* logical (unsigned) >> */ + } else { + t = (int)eCurr.r.lo32; + } + + invFact = invBandTab[(iEnd - iStart) - 1]; + invFact = MULSHIFT32(invBandTab[(mEnd - mStart) - 1], invFact) << 1; + t = MULSHIFT32(t, invFact); + + for (m = mStart; m < mEnd; m++) { + psi->eCurr[m - sbrFreq->kStart] = t; + psi->eCurrExp[m - sbrFreq->kStart] = nScale + 1; /* +1 for invFact = Q31 */ + } + if (psi->eCurrExp[mStart - sbrFreq->kStart] > expMax) { + expMax = psi->eCurrExp[mStart - sbrFreq->kStart]; + } + } + } + psi->eCurrExpMax = expMax; +} + +/************************************************************************************** + * Function: GetSMapped + * + * Description: calculate SMapped (4.6.18.7.2) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current envelope + * index of current QMF band + * la flag for this envelope + * + * Outputs: none + * + * Return: 1 if a sinusoid is present in this band, 0 if not + **************************************************************************************/ +static int GetSMapped(SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int env, int band, int la) +{ + int bandStart, bandEnd, oddFlag, r; + + if (sbrGrid->freqRes[env]) { + /* high resolution */ + bandStart = band; + bandEnd = band + 1; + } else { + /* low resolution (see CalcFreqLow() for mapping) */ + oddFlag = sbrFreq->nHigh & 0x01; + bandStart = (band > 0 ? 2 * band - oddFlag : 0); /* starting index for freqLow[band] */ + bandEnd = 2 * (band + 1) - oddFlag; /* ending index for freqLow[band+1] */ + } + + /* sMapped = 1 if sIndexMapped == 1 for any frequency in this band */ + for (band = bandStart; band < bandEnd; band++) { + if (sbrChan->addHarmonic[1][band]) { + r = ((sbrFreq->freqHigh[band + 1] + sbrFreq->freqHigh[band]) >> 1); + if (env >= la || sbrChan->addHarmonic[0][r] == 1) { + return 1; + } + } + } + return 0; +} + +#define GBOOST_MAX 0x2830afd3 /* Q28, 1.584893192 squared */ +#define ACC_SCALE 6 + +/* squared version of table in 4.6.18.7.5 */ +static const int limGainTab[4] = {0x20138ca7, 0x40000000, 0x7fb27dce, 0x80000000}; /* Q30 (0x80000000 = sentinel for GMAX) */ + +/************************************************************************************** + * Function: CalcMaxGain + * + * Description: calculate max gain in one limiter band (4.6.18.7.5) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * index of current channel (0 for SCE, 0 or 1 for CPE) + * index of current envelope + * index of current limiter band + * number of fraction bits in dequantized envelope + * (max = Q(FBITS_OUT_DQ_ENV - 6) = Q23, can go negative) + * + * Outputs: updated gainMax, gainMaxFBits, and sumEOrigMapped in PSInfoSBR struct + * + * Return: none + **************************************************************************************/ +static void CalcMaxGain(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, int ch, int env, int lim, int fbitsDQ) +{ + int m, mStart, mEnd, q, z, r; + int sumEOrigMapped, sumECurr, gainMax, eOMGainMax, envBand; + unsigned char eCurrExpMax; + unsigned char *freqBandTab; + + mStart = sbrFreq->freqLimiter[lim]; /* these are offsets from kStart */ + mEnd = sbrFreq->freqLimiter[lim + 1]; + freqBandTab = (sbrGrid->freqRes[env] ? sbrFreq->freqHigh : sbrFreq->freqLow); + + /* calculate max gain to apply to signal in this limiter band */ + sumECurr = 0; + sumEOrigMapped = 0; + eCurrExpMax = psi->eCurrExpMax; + eOMGainMax = psi->eOMGainMax; + envBand = psi->envBand; + for (m = mStart; m < mEnd; m++) { + /* map current QMF band to appropriate envelope band */ + if (m == freqBandTab[envBand + 1] - sbrFreq->kStart) { + envBand++; + eOMGainMax = psi->envDataDequant[ch][env][envBand] >> ACC_SCALE; /* summing max 48 bands */ + } + sumEOrigMapped += eOMGainMax; + + /* easy test for overflow on ARM */ + sumECurr += (psi->eCurr[m] >> (eCurrExpMax - psi->eCurrExp[m])); + if (sumECurr >> 30) { + sumECurr >>= 1; + eCurrExpMax++; + } + } + psi->eOMGainMax = eOMGainMax; + psi->envBand = envBand; + + psi->gainMaxFBits = 30; /* Q30 tables */ + if (sumECurr == 0) { + /* any non-zero numerator * 1/EPS_0 is > G_MAX */ + gainMax = (sumEOrigMapped == 0 ? limGainTab[sbrHdr->limiterGains] : 0x80000000); + } else if (sumEOrigMapped == 0) { + /* 1/(any non-zero denominator) * EPS_0 * limGainTab[x] is appx. 0 */ + gainMax = 0; + } else { + /* sumEOrigMapped = Q(fbitsDQ - ACC_SCALE), sumECurr = Q(-eCurrExpMax) */ + gainMax = limGainTab[sbrHdr->limiterGains]; + if (sbrHdr->limiterGains != 3) { + q = MULSHIFT32(sumEOrigMapped, gainMax); /* Q(fbitsDQ - ACC_SCALE - 2), gainMax = Q30 */ + z = CLZ(sumECurr) - 1; + r = InvRNormalized(sumECurr << z); /* in = Q(z - eCurrExpMax), out = Q(29 + 31 - z + eCurrExpMax) */ + gainMax = MULSHIFT32(q, r); /* Q(29 + 31 - z + eCurrExpMax + fbitsDQ - ACC_SCALE - 2 - 32) */ + psi->gainMaxFBits = 26 - z + eCurrExpMax + fbitsDQ - ACC_SCALE; + } + } + psi->sumEOrigMapped = sumEOrigMapped; + psi->gainMax = gainMax; +} + +/************************************************************************************** + * Function: CalcNoiseDivFactors + * + * Description: calculate 1/(1+Q) and Q/(1+Q) (4.6.18.7.4; 4.6.18.7.5) + * + * Inputs: dequantized noise floor scalefactor + * + * Outputs: 1/(1+Q) and Q/(1+Q), format = Q31 + * + * Return: none + **************************************************************************************/ +static void CalcNoiseDivFactors(int q, int *qp1Inv, int *qqp1Inv) +{ + int z, qp1, t, s; + + /* 1 + Q_orig */ + qp1 = (q >> 1); + qp1 += (1 << (FBITS_OUT_DQ_NOISE - 1)); /* >> 1 to avoid overflow when adding 1.0 */ + z = CLZ(qp1) - 1; /* z <= 31 - FBITS_OUT_DQ_NOISE */ + qp1 <<= z; /* Q(FBITS_OUT_DQ_NOISE + z) = Q31 * 2^-(31 - (FBITS_OUT_DQ_NOISE + z)) */ + t = InvRNormalized(qp1) << 1; /* Q30 * 2^(31 - (FBITS_OUT_DQ_NOISE + z)), guaranteed not to overflow */ + + /* normalize to Q31 */ + s = (31 - (FBITS_OUT_DQ_NOISE - 1) - z - 1); /* clearly z >= 0, z <= (30 - (FBITS_OUT_DQ_NOISE - 1)) */ + *qp1Inv = (t >> s); /* s = [0, 31 - FBITS_OUT_DQ_NOISE] */ + *qqp1Inv = MULSHIFT32(t, q) << (32 - FBITS_OUT_DQ_NOISE - s); +} + +/************************************************************************************** + * Function: CalcComponentGains + * + * Description: calculate gain of envelope, sinusoids, and noise in one limiter band + * (4.6.18.7.5) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * index of current envelope + * index of current limiter band + * number of fraction bits in dequantized envelope + * + * Outputs: gains for envelope, sinusoids and noise + * number of fraction bits for envelope gain + * sum of the total gain for each component in this band + * other updated state variables + * + * Return: none + **************************************************************************************/ +static void CalcComponentGains(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch, int env, int lim, int fbitsDQ) +{ + int d, m, mStart, mEnd, q, qm, noiseFloor, sIndexMapped; + int shift, eCurr, maxFlag, gainMax, gainMaxFBits; + int gain, sm, z, r, fbitsGain, gainScale; + unsigned char *freqBandTab; + + mStart = sbrFreq->freqLimiter[lim]; /* these are offsets from kStart */ + mEnd = sbrFreq->freqLimiter[lim + 1]; + + gainMax = psi->gainMax; + gainMaxFBits = psi->gainMaxFBits; + + d = (env == psi->la || env == sbrChan->laPrev ? 0 : 1); + freqBandTab = (sbrGrid->freqRes[env] ? sbrFreq->freqHigh : sbrFreq->freqLow); + + /* figure out which noise floor this envelope is in (only 1 or 2 noise floors allowed) */ + noiseFloor = 0; + if (sbrGrid->numNoiseFloors == 2 && sbrGrid->noiseTimeBorder[1] <= sbrGrid->envTimeBorder[env]) { + noiseFloor++; + } + + psi->sumECurrGLim = 0; + psi->sumSM = 0; + psi->sumQM = 0; + /* calculate energy of noise to add in this limiter band */ + for (m = mStart; m < mEnd; m++) { + if (m == sbrFreq->freqNoise[psi->noiseFloorBand + 1] - sbrFreq->kStart) { + /* map current QMF band to appropriate noise floor band (NOTE: freqLimiter[0] == freqLow[0] = freqHigh[0]) */ + psi->noiseFloorBand++; + CalcNoiseDivFactors(psi->noiseDataDequant[ch][noiseFloor][psi->noiseFloorBand], &(psi->qp1Inv), &(psi->qqp1Inv)); + } + if (m == sbrFreq->freqHigh[psi->highBand + 1] - sbrFreq->kStart) { + psi->highBand++; + } + if (m == freqBandTab[psi->sBand + 1] - sbrFreq->kStart) { + psi->sBand++; + psi->sMapped = GetSMapped(sbrGrid, sbrFreq, sbrChan, env, psi->sBand, psi->la); + } + + /* get sIndexMapped for this QMF subband */ + sIndexMapped = 0; + r = ((sbrFreq->freqHigh[psi->highBand + 1] + sbrFreq->freqHigh[psi->highBand]) >> 1); + if (m + sbrFreq->kStart == r) { + /* r = center frequency, deltaStep = (env >= la || sIndexMapped'(r, numEnv'-1) == 1) */ + if (env >= psi->la || sbrChan->addHarmonic[0][r] == 1) { + sIndexMapped = sbrChan->addHarmonic[1][psi->highBand]; + } + } + + /* save sine flags from last envelope in this frame: + * addHarmonic[0][0...63] = saved sine present flag from previous frame, for each QMF subband + * addHarmonic[1][0...nHigh-1] = addHarmonic bit from current frame, for each high-res frequency band + * from MPEG reference code - slightly different from spec + * (sIndexMapped'(m,LE'-1) can still be 0 when numEnv == psi->la) + */ + if (env == sbrGrid->numEnv - 1) { + if (m + sbrFreq->kStart == r) { + sbrChan->addHarmonic[0][m + sbrFreq->kStart] = sbrChan->addHarmonic[1][psi->highBand]; + } else { + sbrChan->addHarmonic[0][m + sbrFreq->kStart] = 0; + } + } + + gain = psi->envDataDequant[ch][env][psi->sBand]; + qm = MULSHIFT32(gain, psi->qqp1Inv) << 1; + sm = (sIndexMapped ? MULSHIFT32(gain, psi->qp1Inv) << 1 : 0); + + /* three cases: (sMapped == 0 && delta == 1), (sMapped == 0 && delta == 0), (sMapped == 1) */ + if (d == 1 && psi->sMapped == 0) { + gain = MULSHIFT32(psi->qp1Inv, gain) << 1; + } else if (psi->sMapped != 0) { + gain = MULSHIFT32(psi->qqp1Inv, gain) << 1; + } + + /* gain, qm, sm = Q(fbitsDQ), gainMax = Q(fbitsGainMax) */ + eCurr = psi->eCurr[m]; + if (eCurr) { + z = CLZ(eCurr) - 1; + r = InvRNormalized(eCurr << z); /* in = Q(z - eCurrExp), out = Q(29 + 31 - z + eCurrExp) */ + gainScale = MULSHIFT32(gain, r); /* out = Q(29 + 31 - z + eCurrExp + fbitsDQ - 32) */ + fbitsGain = 29 + 31 - z + psi->eCurrExp[m] + fbitsDQ - 32; + } else { + /* if eCurr == 0, then gain is unchanged (divide by EPS = 1) */ + gainScale = gain; + fbitsGain = fbitsDQ; + } + + /* see if gain for this band exceeds max gain */ + maxFlag = 0; + if (gainMax != (int)0x80000000) { + if (fbitsGain >= gainMaxFBits) { + shift = MIN(fbitsGain - gainMaxFBits, 31); + maxFlag = ((gainScale >> shift) > gainMax ? 1 : 0); + } else { + shift = MIN(gainMaxFBits - fbitsGain, 31); + maxFlag = (gainScale > (gainMax >> shift) ? 1 : 0); + } + } + + if (maxFlag) { + /* gainScale > gainMax, calculate ratio with 32/16 division */ + q = 0; + r = gainScale; /* guaranteed > 0, else maxFlag could not have been set */ + z = CLZ(r); + if (z < 16) { + q = 16 - z; + r >>= q; /* out = Q(fbitsGain - q) */ + } + + z = CLZ(gainMax) - 1; + r = (gainMax << z) / r; /* out = Q((fbitsGainMax + z) - (fbitsGain - q)) */ + q = (gainMaxFBits + z) - (fbitsGain - q); /* r = Q(q) */ + if (q > 30) { + r >>= MIN(q - 30, 31); + } else { + z = MIN(30 - q, 30); + CLIP_2N_SHIFT30(r, z); /* let r = Q30 since range = [0.0, 1.0) (clip to 0x3fffffff = 0.99999) */ + } + + qm = MULSHIFT32(qm, r) << 2; + gain = MULSHIFT32(gain, r) << 2; + psi->gLimBuf[m] = gainMax; + psi->gLimFbits[m] = gainMaxFBits; + } else { + psi->gLimBuf[m] = gainScale; + psi->gLimFbits[m] = fbitsGain; + } + + /* sumSM, sumQM, sumECurrGLim = Q(fbitsDQ - ACC_SCALE) */ + psi->smBuf[m] = sm; + psi->sumSM += (sm >> ACC_SCALE); + + psi->qmLimBuf[m] = qm; + if (env != psi->la && env != sbrChan->laPrev && sm == 0) { + psi->sumQM += (qm >> ACC_SCALE); + } + + /* eCurr * gain^2 same as gain^2, before division by eCurr + * (but note that gain != 0 even if eCurr == 0, since it's divided by eps) + */ + if (eCurr) { + psi->sumECurrGLim += (gain >> ACC_SCALE); + } + } +} + +/************************************************************************************** + * Function: ApplyBoost + * + * Description: calculate and apply boost factor for envelope, sinusoids, and noise + * in this limiter band (4.6.18.7.5) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRFreq struct for this SCE/CPE block + * index of current limiter band + * number of fraction bits in dequantized envelope + * + * Outputs: envelope gain, sinusoids and noise after scaling by gBoost + * format = Q(FBITS_GLIM_BOOST) for envelope gain, + * = Q(FBITS_QLIM_BOOST) for noise + * = Q(FBITS_OUT_QMFA) for sinusoids + * + * Return: none + * + * Notes: after scaling, each component has at least 1 GB + **************************************************************************************/ +static void ApplyBoost(PSInfoSBR *psi, SBRFreq *sbrFreq, int lim, int fbitsDQ) +{ + int m, mStart, mEnd, q, z, r; + int sumEOrigMapped, gBoost; + + mStart = sbrFreq->freqLimiter[lim]; /* these are offsets from kStart */ + mEnd = sbrFreq->freqLimiter[lim + 1]; + + sumEOrigMapped = psi->sumEOrigMapped >> 1; + r = (psi->sumECurrGLim >> 1) + (psi->sumSM >> 1) + (psi->sumQM >> 1); /* 1 GB fine (sm and qm are mutually exclusive in acc) */ + if (r < (1 << (31 - 28))) { + /* any non-zero numerator * 1/EPS_0 is > GBOOST_MAX + * round very small r to zero to avoid scaling problems + */ + gBoost = (sumEOrigMapped == 0 ? (1 << 28) : GBOOST_MAX); + z = 0; + } else if (sumEOrigMapped == 0) { + /* 1/(any non-zero denominator) * EPS_0 is appx. 0 */ + gBoost = 0; + z = 0; + } else { + /* numerator (sumEOrigMapped) and denominator (r) have same Q format (before << z) */ + z = CLZ(r) - 1; /* z = [0, 27] */ + r = InvRNormalized(r << z); + gBoost = MULSHIFT32(sumEOrigMapped, r); + } + + /* gBoost = Q(28 - z) */ + if (gBoost > (GBOOST_MAX >> z)) { + gBoost = GBOOST_MAX; + z = 0; + } + gBoost <<= z; /* gBoost = Q28, minimum 1 GB */ + + /* convert gain, noise, sinusoids to fixed Q format, clipping if necessary + * (rare, usually only happens at very low bitrates, introduces slight + * distortion into final HF mapping, but should be inaudible) + */ + for (m = mStart; m < mEnd; m++) { + /* let gLimBoost = Q24, since in practice the max values are usually 16 to 20 + * unless limiterGains == 3 (limiter off) and eCurr ~= 0 (i.e. huge gain, but only + * because the envelope has 0 power anyway) + */ + q = MULSHIFT32(psi->gLimBuf[m], gBoost) << 2; /* Q(gLimFbits) * Q(28) --> Q(gLimFbits[m]-2) */ + r = SqrtFix(q, psi->gLimFbits[m] - 2, &z); + z -= FBITS_GLIM_BOOST; + if (z >= 0) { + psi->gLimBoost[m] = r >> MIN(z, 31); + } else { + z = MIN(30, -z); + CLIP_2N_SHIFT30(r, z); + psi->gLimBoost[m] = r; + } + + q = MULSHIFT32(psi->qmLimBuf[m], gBoost) << 2; /* Q(fbitsDQ) * Q(28) --> Q(fbitsDQ-2) */ + r = SqrtFix(q, fbitsDQ - 2, &z); + z -= FBITS_QLIM_BOOST; /* << by 14, since integer sqrt of x < 2^16, and we want to leave 1 GB */ + if (z >= 0) { + psi->qmLimBoost[m] = r >> MIN(31, z); + } else { + z = MIN(30, -z); + CLIP_2N_SHIFT30(r, z); + psi->qmLimBoost[m] = r; + } + + q = MULSHIFT32(psi->smBuf[m], gBoost) << 2; /* Q(fbitsDQ) * Q(28) --> Q(fbitsDQ-2) */ + r = SqrtFix(q, fbitsDQ - 2, &z); + z -= FBITS_OUT_QMFA; /* justify for adding to signal (xBuf) later */ + if (z >= 0) { + psi->smBoost[m] = r >> MIN(31, z); + } else { + z = MIN(30, -z); + CLIP_2N_SHIFT30(r, z); + psi->smBoost[m] = r; + } + } +} + +/************************************************************************************** + * Function: CalcGain + * + * Description: calculate and apply proper gain to HF components in one envelope + * (4.6.18.7.5) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * index of current envelope + * + * Outputs: envelope gain, sinusoids and noise after scaling + * + * Return: none + **************************************************************************************/ +static void CalcGain(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch, int env) +{ + int lim, fbitsDQ; + + /* initialize to -1 so that mapping limiter bands to env/noise bands works right on first pass */ + psi->envBand = -1; + psi->noiseFloorBand = -1; + psi->sBand = -1; + psi->highBand = -1; + + fbitsDQ = (FBITS_OUT_DQ_ENV - psi->envDataDequantScale[ch][env]); /* Q(29 - optional scalefactor) */ + for (lim = 0; lim < sbrFreq->nLimiter; lim++) { + /* the QMF bands are divided into lim regions (consecutive, non-overlapping) */ + CalcMaxGain(psi, sbrHdr, sbrGrid, sbrFreq, ch, env, lim, fbitsDQ); + CalcComponentGains(psi, sbrGrid, sbrFreq, sbrChan, ch, env, lim, fbitsDQ); + ApplyBoost(psi, sbrFreq, lim, fbitsDQ); + } +} + +/* hSmooth table from 4.7.18.7.6, format = Q31 */ +static const int hSmoothCoef[MAX_NUM_SMOOTH_COEFS] = { + 0x2aaaaaab, 0x2697a512, 0x1becfa68, 0x0ebdb043, 0x04130598, +}; + +/************************************************************************************** + * Function: MapHF + * + * Description: map HF components to proper QMF bands, with optional gain smoothing + * filter (4.6.18.7.6) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current envelope + * reset flag (can be non-zero for first envelope only) + * + * Outputs: complete reconstructed subband QMF samples for this envelope + * + * Return: none + * + * Notes: ensures that output has >= MIN_GBITS_IN_QMFS guard bits, + * so it's not necessary to check anything in the synth QMF + **************************************************************************************/ +static void MapHF(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int env, int hfReset) +{ + int noiseTabIndex, sinIndex, gainNoiseIndex, hSL; + int i, iStart, iEnd, m, idx, j, s, n, smre, smim; + int gFilt, qFilt, xre, xim, gbMask, gbIdx; + int *XBuf; + + noiseTabIndex = sbrChan->noiseTabIndex; + sinIndex = sbrChan->sinIndex; + gainNoiseIndex = sbrChan->gainNoiseIndex; /* oldest entries in filter delay buffer */ + + if (hfReset) { + noiseTabIndex = 2; /* starts at 1, double since complex */ + } + hSL = (sbrHdr->smoothMode ? 0 : 4); + + if (hfReset) { + for (i = 0; i < hSL; i++) { + for (m = 0; m < sbrFreq->numQMFBands; m++) { + sbrChan->gTemp[gainNoiseIndex][m] = psi->gLimBoost[m]; + sbrChan->qTemp[gainNoiseIndex][m] = psi->qmLimBoost[m]; + } + gainNoiseIndex++; + if (gainNoiseIndex == MAX_NUM_SMOOTH_COEFS) { + gainNoiseIndex = 0; + } + } + ASSERT(env == 0); /* should only be reset when env == 0 */ + } + + iStart = sbrGrid->envTimeBorder[env]; + iEnd = sbrGrid->envTimeBorder[env + 1]; + for (i = iStart; i < iEnd; i++) { + /* save new values in temp buffers (delay) + * we only store MAX_NUM_SMOOTH_COEFS most recent values, + * so don't keep storing the same value over and over + */ + if (i - iStart < MAX_NUM_SMOOTH_COEFS) { + for (m = 0; m < sbrFreq->numQMFBands; m++) { + sbrChan->gTemp[gainNoiseIndex][m] = psi->gLimBoost[m]; + sbrChan->qTemp[gainNoiseIndex][m] = psi->qmLimBoost[m]; + } + } + + /* see 4.6.18.7.6 */ + XBuf = psi->XBuf[i + HF_ADJ][sbrFreq->kStart]; + gbMask = 0; + for (m = 0; m < sbrFreq->numQMFBands; m++) { + if (env == psi->la || env == sbrChan->laPrev) { + /* no smoothing filter for gain, and qFilt = 0 (only need to do once) */ + if (i == iStart) { + psi->gFiltLast[m] = sbrChan->gTemp[gainNoiseIndex][m]; + psi->qFiltLast[m] = 0; + } + } else if (hSL == 0) { + /* no smoothing filter for gain, (only need to do once) */ + if (i == iStart) { + psi->gFiltLast[m] = sbrChan->gTemp[gainNoiseIndex][m]; + psi->qFiltLast[m] = sbrChan->qTemp[gainNoiseIndex][m]; + } + } else { + /* apply smoothing filter to gain and noise (after MAX_NUM_SMOOTH_COEFS, it's always the same) */ + if (i - iStart < MAX_NUM_SMOOTH_COEFS) { + gFilt = 0; + qFilt = 0; + idx = gainNoiseIndex; + for (j = 0; j < MAX_NUM_SMOOTH_COEFS; j++) { + /* sum(abs(hSmoothCoef[j])) for all j < 1.0 */ + gFilt += MULSHIFT32(sbrChan->gTemp[idx][m], hSmoothCoef[j]); + qFilt += MULSHIFT32(sbrChan->qTemp[idx][m], hSmoothCoef[j]); + idx--; + if (idx < 0) { + idx += MAX_NUM_SMOOTH_COEFS; + } + } + psi->gFiltLast[m] = gFilt << 1; /* restore to Q(FBITS_GLIM_BOOST) (gain of filter < 1.0, so no overflow) */ + psi->qFiltLast[m] = qFilt << 1; /* restore to Q(FBITS_QLIM_BOOST) */ + } + } + + if (psi->smBoost[m] != 0) { + /* add scaled signal and sinusoid, don't add noise (qFilt = 0) */ + smre = psi->smBoost[m]; + smim = smre; + + /* sinIndex: [0] xre += sm [1] xim += sm*s [2] xre -= sm [3] xim -= sm*s */ + s = (sinIndex >> 1); /* if 2 or 3, flip sign to subtract sm */ + s <<= 31; + smre ^= (s >> 31); + smre -= (s >> 31); + s ^= ((m + sbrFreq->kStart) << 31); + smim ^= (s >> 31); + smim -= (s >> 31); + + /* if sinIndex == 0 or 2, smim = 0; if sinIndex == 1 or 3, smre = 0 */ + s = sinIndex << 31; + smim &= (s >> 31); + s ^= 0x80000000; + smre &= (s >> 31); + + noiseTabIndex += 2; /* noise filtered by 0, but still need to bump index */ + } else { + /* add scaled signal and scaled noise */ + qFilt = psi->qFiltLast[m]; + n = noiseTab[noiseTabIndex++]; + smre = MULSHIFT32(n, qFilt) >> (FBITS_QLIM_BOOST - 1 - FBITS_OUT_QMFA); + + n = noiseTab[noiseTabIndex++]; + smim = MULSHIFT32(n, qFilt) >> (FBITS_QLIM_BOOST - 1 - FBITS_OUT_QMFA); + } + noiseTabIndex &= 1023; /* 512 complex numbers */ + + gFilt = psi->gFiltLast[m]; + xre = MULSHIFT32(gFilt, XBuf[0]); + xim = MULSHIFT32(gFilt, XBuf[1]); + CLIP_2N_SHIFT30(xre, 32 - FBITS_GLIM_BOOST); + CLIP_2N_SHIFT30(xim, 32 - FBITS_GLIM_BOOST); + + xre += smre; + *XBuf++ = xre; + xim += smim; + *XBuf++ = xim; + + gbMask |= FASTABS(xre); + gbMask |= FASTABS(xim); + } + /* update circular buffer index */ + gainNoiseIndex++; + if (gainNoiseIndex == MAX_NUM_SMOOTH_COEFS) { + gainNoiseIndex = 0; + } + + sinIndex++; + sinIndex &= 3; + + /* ensure MIN_GBITS_IN_QMFS guard bits in output + * almost never occurs in practice, but checking here makes synth QMF logic very simple + */ + if (gbMask >> (31 - MIN_GBITS_IN_QMFS)) { + XBuf = psi->XBuf[i + HF_ADJ][sbrFreq->kStart]; + for (m = 0; m < sbrFreq->numQMFBands; m++) { + xre = XBuf[0]; + xim = XBuf[1]; + CLIP_2N(xre, (31 - MIN_GBITS_IN_QMFS)); + CLIP_2N(xim, (31 - MIN_GBITS_IN_QMFS)); + *XBuf++ = xre; + *XBuf++ = xim; + } + CLIP_2N(gbMask, (31 - MIN_GBITS_IN_QMFS)); + } + gbIdx = ((i + HF_ADJ) >> 5) & 0x01; + sbrChan->gbMask[gbIdx] |= gbMask; + } + sbrChan->noiseTabIndex = noiseTabIndex; + sbrChan->sinIndex = sinIndex; + sbrChan->gainNoiseIndex = gainNoiseIndex; +} + +/************************************************************************************** + * Function: AdjustHighFreq + * + * Description: adjust high frequencies and add noise and sinusoids (4.6.18.7) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * + * Outputs: complete reconstructed subband QMF samples for this channel + * + * Return: none + **************************************************************************************/ +void AdjustHighFreq(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch) +{ + int i, env, hfReset; + unsigned char frameClass, pointer; + + frameClass = sbrGrid->frameClass; + pointer = sbrGrid->pointer; + + /* derive la from table 4.159 */ + if ((frameClass == SBR_GRID_FIXVAR || frameClass == SBR_GRID_VARVAR) && pointer > 0) { + psi->la = sbrGrid->numEnv + 1 - pointer; + } else if (frameClass == SBR_GRID_VARFIX && pointer > 1) { + psi->la = pointer - 1; + } else { + psi->la = -1; + } + + /* for each envelope, estimate gain and adjust SBR QMF bands */ + hfReset = sbrChan->reset; + for (env = 0; env < sbrGrid->numEnv; env++) { + EstimateEnvelope(psi, sbrHdr, sbrGrid, sbrFreq, env); + CalcGain(psi, sbrHdr, sbrGrid, sbrFreq, sbrChan, ch, env); + MapHF(psi, sbrHdr, sbrGrid, sbrFreq, sbrChan, env, hfReset); + hfReset = 0; /* only set for first envelope after header reset */ + } + + /* set saved sine flags to 0 for QMF bands outside of current frequency range */ + for (i = 0; i < sbrFreq->freqLimiter[0] + sbrFreq->kStart; i++) { + sbrChan->addHarmonic[0][i] = 0; + } + for (i = sbrFreq->freqLimiter[sbrFreq->nLimiter] + sbrFreq->kStart; i < 64; i++) { + sbrChan->addHarmonic[0][i] = 0; + } + sbrChan->addHarmonicFlag[0] = sbrChan->addHarmonicFlag[1]; + + /* save la for next frame */ + if (psi->la == sbrGrid->numEnv) { + sbrChan->laPrev = 0; + } else { + sbrChan->laPrev = -1; + } +} diff --git a/audio_codec/libraac/sbrhfgen.c b/audio_codec/libraac/sbrhfgen.c new file mode 100644 index 0000000..6be4d57 --- a/dev/null +++ b/audio_codec/libraac/sbrhfgen.c @@ -0,0 +1,646 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrhfgen.c,v 1.2 2005/05/19 20:45:20 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrhfgen.c - high frequency generation for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +#define FBITS_LPCOEFS 29 /* Q29 for range of (-4, 4) */ +#define MAG_16 (16 * (1 << (32 - (2*(32-FBITS_LPCOEFS))))) /* i.e. 16 in Q26 format */ +#define RELAX_COEF 0x7ffff79c /* 1.0 / (1.0 + 1e-6), Q31 */ + +/* newBWTab[prev invfMode][curr invfMode], format = Q31 (table 4.158) + * sample file which uses all of these: al_sbr_sr_64_2_fsaac32.aac + */ +static const int newBWTab[4][4] = { + {0x00000000, 0x4ccccccd, 0x73333333, 0x7d70a3d7}, + {0x4ccccccd, 0x60000000, 0x73333333, 0x7d70a3d7}, + {0x00000000, 0x60000000, 0x73333333, 0x7d70a3d7}, + {0x00000000, 0x60000000, 0x73333333, 0x7d70a3d7}, +}; + +/************************************************************************************** + * Function: CVKernel1 + * + * Description: kernel of covariance matrix calculation for p01, p11, p12, p22 + * + * Inputs: buffer of low-freq samples, starting at time index = 0, + * freq index = patch subband + * + * Outputs: 64-bit accumulators for p01re, p01im, p12re, p12im, p11re, p22re + * stored in accBuf + * + * Return: none + * + * Notes: this is carefully written to be efficient on ARM + * use the assembly code version in sbrcov.s when building for ARM! + **************************************************************************************/ + +#ifdef __cplusplus +extern "C" +#endif + +void CVKernel1(int *XBuf, int *accBuf) +{ + U64 p01re, p01im, p12re, p12im, p11re, p22re; + int n, x0re, x0im, x1re, x1im; + + x0re = XBuf[0]; + x0im = XBuf[1]; + XBuf += (2 * 64); + x1re = XBuf[0]; + x1im = XBuf[1]; + XBuf += (2 * 64); + + p01re.w64 = p01im.w64 = 0; + p12re.w64 = p12im.w64 = 0; + p11re.w64 = 0; + p22re.w64 = 0; + + p12re.w64 = MADD64(p12re.w64, x1re, x0re); + p12re.w64 = MADD64(p12re.w64, x1im, x0im); + p12im.w64 = MADD64(p12im.w64, x0re, x1im); + p12im.w64 = MADD64(p12im.w64, -x0im, x1re); + p22re.w64 = MADD64(p22re.w64, x0re, x0re); + p22re.w64 = MADD64(p22re.w64, x0im, x0im); + for (n = (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6); n != 0; n--) { + /* 4 input, 3*2 acc, 1 ptr, 1 loop counter = 12 registers (use same for x0im, -x0im) */ + x0re = x1re; + x0im = x1im; + x1re = XBuf[0]; + x1im = XBuf[1]; + + p01re.w64 = MADD64(p01re.w64, x1re, x0re); + p01re.w64 = MADD64(p01re.w64, x1im, x0im); + p01im.w64 = MADD64(p01im.w64, x0re, x1im); + p01im.w64 = MADD64(p01im.w64, -x0im, x1re); + p11re.w64 = MADD64(p11re.w64, x0re, x0re); + p11re.w64 = MADD64(p11re.w64, x0im, x0im); + + XBuf += (2 * 64); + } + /* these can be derived by slight changes to account for boundary conditions */ + p12re.w64 += p01re.w64; + p12re.w64 = MADD64(p12re.w64, x1re, -x0re); + p12re.w64 = MADD64(p12re.w64, x1im, -x0im); + p12im.w64 += p01im.w64; + p12im.w64 = MADD64(p12im.w64, x0re, -x1im); + p12im.w64 = MADD64(p12im.w64, x0im, x1re); + p22re.w64 += p11re.w64; + p22re.w64 = MADD64(p22re.w64, x0re, -x0re); + p22re.w64 = MADD64(p22re.w64, x0im, -x0im); + + accBuf[0] = p01re.r.lo32; + accBuf[1] = p01re.r.hi32; + accBuf[2] = p01im.r.lo32; + accBuf[3] = p01im.r.hi32; + accBuf[4] = p11re.r.lo32; + accBuf[5] = p11re.r.hi32; + accBuf[6] = p12re.r.lo32; + accBuf[7] = p12re.r.hi32; + accBuf[8] = p12im.r.lo32; + accBuf[9] = p12im.r.hi32; + accBuf[10] = p22re.r.lo32; + accBuf[11] = p22re.r.hi32; +} + +/************************************************************************************** + * Function: CalcCovariance1 + * + * Description: calculate covariance matrix for p01, p12, p11, p22 (4.6.18.6.2) + * + * Inputs: buffer of low-freq samples, starting at time index 0, + * freq index = patch subband + * + * Outputs: complex covariance elements p01re, p01im, p12re, p12im, p11re, p22re + * (p11im = p22im = 0) + * format = integer (Q0) * 2^N, with scalefactor N >= 0 + * + * Return: scalefactor N + * + * Notes: outputs are normalized to have 1 GB (sign in at least top 2 bits) + **************************************************************************************/ +static int CalcCovariance1(int *XBuf, int *p01reN, int *p01imN, int *p12reN, int *p12imN, int *p11reN, int *p22reN) +{ + int accBuf[2 * 6]; + int n, z, s, loShift, hiShift, gbMask; + U64 p01re, p01im, p12re, p12im, p11re, p22re; + + CVKernel1(XBuf, accBuf); + p01re.r.lo32 = accBuf[0]; + p01re.r.hi32 = accBuf[1]; + p01im.r.lo32 = accBuf[2]; + p01im.r.hi32 = accBuf[3]; + p11re.r.lo32 = accBuf[4]; + p11re.r.hi32 = accBuf[5]; + p12re.r.lo32 = accBuf[6]; + p12re.r.hi32 = accBuf[7]; + p12im.r.lo32 = accBuf[8]; + p12im.r.hi32 = accBuf[9]; + p22re.r.lo32 = accBuf[10]; + p22re.r.hi32 = accBuf[11]; + + /* 64-bit accumulators now have 2*FBITS_OUT_QMFA fraction bits + * want to scale them down to integers (32-bit signed, Q0) + * with scale factor of 2^n, n >= 0 + * leave 2 GB's for calculating determinant, so take top 30 non-zero bits + */ + gbMask = ((p01re.r.hi32) ^(p01re.r.hi32 >> 31)) | ((p01im.r.hi32) ^(p01im.r.hi32 >> 31)); + gbMask |= ((p12re.r.hi32) ^(p12re.r.hi32 >> 31)) | ((p12im.r.hi32) ^(p12im.r.hi32 >> 31)); + gbMask |= ((p11re.r.hi32) ^(p11re.r.hi32 >> 31)) | ((p22re.r.hi32) ^(p22re.r.hi32 >> 31)); + if (gbMask == 0) { + s = p01re.r.hi32 >> 31; + gbMask = (p01re.r.lo32 ^ s) - s; + s = p01im.r.hi32 >> 31; + gbMask |= (p01im.r.lo32 ^ s) - s; + s = p12re.r.hi32 >> 31; + gbMask |= (p12re.r.lo32 ^ s) - s; + s = p12im.r.hi32 >> 31; + gbMask |= (p12im.r.lo32 ^ s) - s; + s = p11re.r.hi32 >> 31; + gbMask |= (p11re.r.lo32 ^ s) - s; + s = p22re.r.hi32 >> 31; + gbMask |= (p22re.r.lo32 ^ s) - s; + z = 32 + CLZ(gbMask); + } else { + gbMask = FASTABS(p01re.r.hi32) | FASTABS(p01im.r.hi32); + gbMask |= FASTABS(p12re.r.hi32) | FASTABS(p12im.r.hi32); + gbMask |= FASTABS(p11re.r.hi32) | FASTABS(p22re.r.hi32); + z = CLZ(gbMask); + } + + n = 64 - z; /* number of non-zero bits in bottom of 64-bit word */ + if (n <= 30) { + loShift = (30 - n); + *p01reN = p01re.r.lo32 << loShift; + *p01imN = p01im.r.lo32 << loShift; + *p12reN = p12re.r.lo32 << loShift; + *p12imN = p12im.r.lo32 << loShift; + *p11reN = p11re.r.lo32 << loShift; + *p22reN = p22re.r.lo32 << loShift; + return -(loShift + 2 * FBITS_OUT_QMFA); + } else if (n < 32 + 30) { + loShift = (n - 30); + hiShift = 32 - loShift; + *p01reN = (p01re.r.hi32 << hiShift) | (p01re.r.lo32 >> loShift); + *p01imN = (p01im.r.hi32 << hiShift) | (p01im.r.lo32 >> loShift); + *p12reN = (p12re.r.hi32 << hiShift) | (p12re.r.lo32 >> loShift); + *p12imN = (p12im.r.hi32 << hiShift) | (p12im.r.lo32 >> loShift); + *p11reN = (p11re.r.hi32 << hiShift) | (p11re.r.lo32 >> loShift); + *p22reN = (p22re.r.hi32 << hiShift) | (p22re.r.lo32 >> loShift); + return (loShift - 2 * FBITS_OUT_QMFA); + } else { + hiShift = n - (32 + 30); + *p01reN = p01re.r.hi32 >> hiShift; + *p01imN = p01im.r.hi32 >> hiShift; + *p12reN = p12re.r.hi32 >> hiShift; + *p12imN = p12im.r.hi32 >> hiShift; + *p11reN = p11re.r.hi32 >> hiShift; + *p22reN = p22re.r.hi32 >> hiShift; + return (32 - 2 * FBITS_OUT_QMFA - hiShift); + } + + return 0; +} + +/************************************************************************************** + * Function: CVKernel2 + * + * Description: kernel of covariance matrix calculation for p02 + * + * Inputs: buffer of low-freq samples, starting at time index = 0, + * freq index = patch subband + * + * Outputs: 64-bit accumulators for p02re, p02im stored in accBuf + * + * Return: none + * + * Notes: this is carefully written to be efficient on ARM + * use the assembly code version in sbrcov.s when building for ARM! + **************************************************************************************/ + +#ifdef __cplusplus +extern "C" +#endif + +void CVKernel2(int *XBuf, int *accBuf) +{ + U64 p02re, p02im; + int n, x0re, x0im, x1re, x1im, x2re, x2im; + + p02re.w64 = p02im.w64 = 0; + + x0re = XBuf[0]; + x0im = XBuf[1]; + XBuf += (2 * 64); + x1re = XBuf[0]; + x1im = XBuf[1]; + XBuf += (2 * 64); + + for (n = (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6); n != 0; n--) { + /* 6 input, 2*2 acc, 1 ptr, 1 loop counter = 12 registers (use same for x0im, -x0im) */ + x2re = XBuf[0]; + x2im = XBuf[1]; + + p02re.w64 = MADD64(p02re.w64, x2re, x0re); + p02re.w64 = MADD64(p02re.w64, x2im, x0im); + p02im.w64 = MADD64(p02im.w64, x0re, x2im); + p02im.w64 = MADD64(p02im.w64, -x0im, x2re); + + x0re = x1re; + x0im = x1im; + x1re = x2re; + x1im = x2im; + XBuf += (2 * 64); + } + + accBuf[0] = p02re.r.lo32; + accBuf[1] = p02re.r.hi32; + accBuf[2] = p02im.r.lo32; + accBuf[3] = p02im.r.hi32; +} + +/************************************************************************************** + * Function: CalcCovariance2 + * + * Description: calculate covariance matrix for p02 (4.6.18.6.2) + * + * Inputs: buffer of low-freq samples, starting at time index = 0, + * freq index = patch subband + * + * Outputs: complex covariance element p02re, p02im + * format = integer (Q0) * 2^N, with scalefactor N >= 0 + * + * Return: scalefactor N + * + * Notes: outputs are normalized to have 1 GB (sign in at least top 2 bits) + **************************************************************************************/ +static int CalcCovariance2(int *XBuf, int *p02reN, int *p02imN) +{ + U64 p02re, p02im; + int n, z, s, loShift, hiShift, gbMask; + int accBuf[2 * 2]; + + CVKernel2(XBuf, accBuf); + p02re.r.lo32 = accBuf[0]; + p02re.r.hi32 = accBuf[1]; + p02im.r.lo32 = accBuf[2]; + p02im.r.hi32 = accBuf[3]; + + /* 64-bit accumulators now have 2*FBITS_OUT_QMFA fraction bits + * want to scale them down to integers (32-bit signed, Q0) + * with scale factor of 2^n, n >= 0 + * leave 1 GB for calculating determinant, so take top 30 non-zero bits + */ + gbMask = ((p02re.r.hi32) ^(p02re.r.hi32 >> 31)) | ((p02im.r.hi32) ^(p02im.r.hi32 >> 31)); + if (gbMask == 0) { + s = p02re.r.hi32 >> 31; + gbMask = (p02re.r.lo32 ^ s) - s; + s = p02im.r.hi32 >> 31; + gbMask |= (p02im.r.lo32 ^ s) - s; + z = 32 + CLZ(gbMask); + } else { + gbMask = FASTABS(p02re.r.hi32) | FASTABS(p02im.r.hi32); + z = CLZ(gbMask); + } + n = 64 - z; /* number of non-zero bits in bottom of 64-bit word */ + + if (n <= 30) { + loShift = (30 - n); + *p02reN = p02re.r.lo32 << loShift; + *p02imN = p02im.r.lo32 << loShift; + return -(loShift + 2 * FBITS_OUT_QMFA); + } else if (n < 32 + 30) { + loShift = (n - 30); + hiShift = 32 - loShift; + *p02reN = (p02re.r.hi32 << hiShift) | (p02re.r.lo32 >> loShift); + *p02imN = (p02im.r.hi32 << hiShift) | (p02im.r.lo32 >> loShift); + return (loShift - 2 * FBITS_OUT_QMFA); + } else { + hiShift = n - (32 + 30); + *p02reN = p02re.r.hi32 >> hiShift; + *p02imN = p02im.r.hi32 >> hiShift; + return (32 - 2 * FBITS_OUT_QMFA - hiShift); + } + + return 0; +} + +/************************************************************************************** + * Function: CalcLPCoefs + * + * Description: calculate linear prediction coefficients for one subband (4.6.18.6.2) + * + * Inputs: buffer of low-freq samples, starting at time index = 0, + * freq index = patch subband + * number of guard bits in input sample buffer + * + * Outputs: complex LP coefficients a0re, a0im, a1re, a1im, format = Q29 + * + * Return: none + * + * Notes: output coefficients (a0re, a0im, a1re, a1im) clipped to range (-4, 4) + * if the comples coefficients have magnitude >= 4.0, they are all + * set to 0 (see spec) + **************************************************************************************/ +static void CalcLPCoefs(int *XBuf, int *a0re, int *a0im, int *a1re, int *a1im, int gb) +{ + int zFlag, n1, n2, nd, d, dInv, tre, tim; + int p01re, p01im, p02re, p02im, p12re, p12im, p11re, p22re; + + /* pre-scale to avoid overflow - probably never happens in practice (see QMFA) + * max bit growth per accumulator = 38*2 = 76 mul-adds (X * X) + * using 64-bit MADD, so if X has n guard bits, X*X has 2n+1 guard bits + * gain 1 extra sign bit per multiply, so ensure ceil(log2(76/2) / 2) = 3 guard bits on inputs + */ + if (gb < 3) { + nd = 3 - gb; + for (n1 = (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6 + 2); n1 != 0; n1--) { + XBuf[0] >>= nd; + XBuf[1] >>= nd; + XBuf += (2 * 64); + } + XBuf -= (2 * 64 * (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6 + 2)); + } + + /* calculate covariance elements */ + n1 = CalcCovariance1(XBuf, &p01re, &p01im, &p12re, &p12im, &p11re, &p22re); + n2 = CalcCovariance2(XBuf, &p02re, &p02im); + + /* normalize everything to larger power of 2 scalefactor, call it n1 */ + if (n1 < n2) { + nd = MIN(n2 - n1, 31); + p01re >>= nd; + p01im >>= nd; + p12re >>= nd; + p12im >>= nd; + p11re >>= nd; + p22re >>= nd; + n1 = n2; + } else if (n1 > n2) { + nd = MIN(n1 - n2, 31); + p02re >>= nd; + p02im >>= nd; + } + + /* calculate determinant of covariance matrix (at least 1 GB in pXX) */ + d = MULSHIFT32(p12re, p12re) + MULSHIFT32(p12im, p12im); + d = MULSHIFT32(d, RELAX_COEF) << 1; + d = MULSHIFT32(p11re, p22re) - d; + ASSERT(d >= 0); /* should never be < 0 */ + + zFlag = 0; + *a0re = *a0im = 0; + *a1re = *a1im = 0; + if (d > 0) { + /* input = Q31 d = Q(-2*n1 - 32 + nd) = Q31 * 2^(31 + 2*n1 + 32 - nd) + * inverse = Q29 dInv = Q29 * 2^(-31 - 2*n1 - 32 + nd) = Q(29 + 31 + 2*n1 + 32 - nd) + * + * numerator has same Q format as d, since it's sum of normalized squares + * so num * inverse = Q(-2*n1 - 32) * Q(29 + 31 + 2*n1 + 32 - nd) + * = Q(29 + 31 - nd), drop low 32 in MULSHIFT32 + * = Q(29 + 31 - 32 - nd) = Q(28 - nd) + */ + nd = CLZ(d) - 1; + d <<= nd; + dInv = InvRNormalized(d); + + /* 1 GB in pXX */ + tre = MULSHIFT32(p01re, p12re) - MULSHIFT32(p01im, p12im) - MULSHIFT32(p02re, p11re); + tre = MULSHIFT32(tre, dInv); + tim = MULSHIFT32(p01re, p12im) + MULSHIFT32(p01im, p12re) - MULSHIFT32(p02im, p11re); + tim = MULSHIFT32(tim, dInv); + + /* if d is extremely small, just set coefs to 0 (would have poor precision anyway) */ + if (nd > 28 || (FASTABS(tre) >> (28 - nd)) >= 4 || (FASTABS(tim) >> (28 - nd)) >= 4) { + zFlag = 1; + } else { + *a1re = tre << (FBITS_LPCOEFS - 28 + nd); /* i.e. convert Q(28 - nd) to Q(29) */ + *a1im = tim << (FBITS_LPCOEFS - 28 + nd); + } + } + + if (p11re) { + /* input = Q31 p11re = Q(-n1 + nd) = Q31 * 2^(31 + n1 - nd) + * inverse = Q29 dInv = Q29 * 2^(-31 - n1 + nd) = Q(29 + 31 + n1 - nd) + * + * numerator is Q(-n1 - 3) + * so num * inverse = Q(-n1 - 3) * Q(29 + 31 + n1 - nd) + * = Q(29 + 31 - 3 - nd), drop low 32 in MULSHIFT32 + * = Q(29 + 31 - 3 - 32 - nd) = Q(25 - nd) + */ + nd = CLZ(p11re) - 1; /* assume positive */ + p11re <<= nd; + dInv = InvRNormalized(p11re); + + /* a1re, a1im = Q29, so scaled by (n1 + 3) */ + tre = (p01re >> 3) + MULSHIFT32(p12re, *a1re) + MULSHIFT32(p12im, *a1im); + tre = -MULSHIFT32(tre, dInv); + tim = (p01im >> 3) - MULSHIFT32(p12im, *a1re) + MULSHIFT32(p12re, *a1im); + tim = -MULSHIFT32(tim, dInv); + + if (nd > 25 || (FASTABS(tre) >> (25 - nd)) >= 4 || (FASTABS(tim) >> (25 - nd)) >= 4) { + zFlag = 1; + } else { + *a0re = tre << (FBITS_LPCOEFS - 25 + nd); /* i.e. convert Q(25 - nd) to Q(29) */ + *a0im = tim << (FBITS_LPCOEFS - 25 + nd); + } + } + + /* see 4.6.18.6.2 - if magnitude of a0 or a1 >= 4 then a0 = a1 = 0 + * i.e. a0re < 4, a0im < 4, a1re < 4, a1im < 4 + * Q29*Q29 = Q26 + */ + if (zFlag || MULSHIFT32(*a0re, *a0re) + MULSHIFT32(*a0im, *a0im) >= MAG_16 || MULSHIFT32(*a1re, *a1re) + MULSHIFT32(*a1im, *a1im) >= MAG_16) { + *a0re = *a0im = 0; + *a1re = *a1im = 0; + } + + /* no need to clip - we never changed the XBuf data, just used it to calculate a0 and a1 */ + if (gb < 3) { + nd = 3 - gb; + for (n1 = (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6 + 2); n1 != 0; n1--) { + XBuf[0] <<= nd; + XBuf[1] <<= nd; + XBuf += (2 * 64); + } + } +} + +/************************************************************************************** + * Function: GenerateHighFreq + * + * Description: generate high frequencies with SBR (4.6.18.6) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * + * Outputs: new high frequency samples starting at frequency kStart + * + * Return: none + **************************************************************************************/ +void GenerateHighFreq(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch) +{ + int band, newBW, c, t, gb, gbMask, gbIdx; + int currPatch, p, x, k, g, i, iStart, iEnd, bw, bwsq; + int a0re, a0im, a1re, a1im; + int x1re, x1im, x2re, x2im; + int ACCre, ACCim; + int *XBufLo, *XBufHi; + + /* calculate array of chirp factors */ + for (band = 0; band < sbrFreq->numNoiseFloorBands; band++) { + c = sbrChan->chirpFact[band]; /* previous (bwArray') */ + newBW = newBWTab[sbrChan->invfMode[0][band]][sbrChan->invfMode[1][band]]; + + /* weighted average of new and old (can't overflow - total gain = 1.0) */ + if (newBW < c) { + t = MULSHIFT32(newBW, 0x60000000) + MULSHIFT32(0x20000000, c); /* new is smaller: 0.75*new + 0.25*old */ + } else { + t = MULSHIFT32(newBW, 0x74000000) + MULSHIFT32(0x0c000000, c); /* new is larger: 0.90625*new + 0.09375*old */ + } + t <<= 1; + + if (t < 0x02000000) { /* below 0.015625, clip to 0 */ + t = 0; + } + if (t > 0x7f800000) { /* clip to 0.99609375 */ + t = 0x7f800000; + } + + /* save curr as prev for next time */ + sbrChan->chirpFact[band] = t; + sbrChan->invfMode[0][band] = sbrChan->invfMode[1][band]; + } + + iStart = sbrGrid->envTimeBorder[0] + HF_ADJ; + iEnd = sbrGrid->envTimeBorder[sbrGrid->numEnv] + HF_ADJ; + + /* generate new high freqs from low freqs, patches, and chirp factors */ + k = sbrFreq->kStart; + g = 0; + bw = sbrChan->chirpFact[g]; + bwsq = MULSHIFT32(bw, bw) << 1; + + gbMask = (sbrChan->gbMask[0] | sbrChan->gbMask[1]); /* older 32 | newer 8 */ + gb = CLZ(gbMask) - 1; + + for (currPatch = 0; currPatch < sbrFreq->numPatches; currPatch++) { + for (x = 0; x < sbrFreq->patchNumSubbands[currPatch]; x++) { + /* map k to corresponding noise floor band */ + if (k >= sbrFreq->freqNoise[g + 1]) { + g++; + bw = sbrChan->chirpFact[g]; /* Q31 */ + bwsq = MULSHIFT32(bw, bw) << 1; /* Q31 */ + } + + p = sbrFreq->patchStartSubband[currPatch] + x; /* low QMF band */ + XBufHi = psi->XBuf[iStart][k]; + if (bw) { + CalcLPCoefs(psi->XBuf[0][p], &a0re, &a0im, &a1re, &a1im, gb); + + a0re = MULSHIFT32(bw, a0re); /* Q31 * Q29 = Q28 */ + a0im = MULSHIFT32(bw, a0im); + a1re = MULSHIFT32(bwsq, a1re); + a1im = MULSHIFT32(bwsq, a1im); + + XBufLo = psi->XBuf[iStart - 2][p]; + + x2re = XBufLo[0]; /* RE{XBuf[n-2]} */ + x2im = XBufLo[1]; /* IM{XBuf[n-2]} */ + XBufLo += (64 * 2); + + x1re = XBufLo[0]; /* RE{XBuf[n-1]} */ + x1im = XBufLo[1]; /* IM{XBuf[n-1]} */ + XBufLo += (64 * 2); + + for (i = iStart; i < iEnd; i++) { + /* a0re/im, a1re/im are Q28 with at least 1 GB, + * so the summing for AACre/im is fine (1 GB in, plus 1 from MULSHIFT32) + */ + ACCre = MULSHIFT32(x2re, a1re) - MULSHIFT32(x2im, a1im); + ACCim = MULSHIFT32(x2re, a1im) + MULSHIFT32(x2im, a1re); + x2re = x1re; + x2im = x1im; + + ACCre += MULSHIFT32(x1re, a0re) - MULSHIFT32(x1im, a0im); + ACCim += MULSHIFT32(x1re, a0im) + MULSHIFT32(x1im, a0re); + x1re = XBufLo[0]; /* RE{XBuf[n]} */ + x1im = XBufLo[1]; /* IM{XBuf[n]} */ + XBufLo += (64 * 2); + + /* lost 4 fbits when scaling by a0re/im, a1re/im (Q28) */ + CLIP_2N_SHIFT30(ACCre, 4); + ACCre += x1re; + CLIP_2N_SHIFT30(ACCim, 4); + ACCim += x1im; + + XBufHi[0] = ACCre; + XBufHi[1] = ACCim; + XBufHi += (64 * 2); + + /* update guard bit masks */ + gbMask = FASTABS(ACCre); + gbMask |= FASTABS(ACCim); + gbIdx = (i >> 5) & 0x01; /* 0 if i < 32, 1 if i >= 32 */ + sbrChan->gbMask[gbIdx] |= gbMask; + } + } else { + XBufLo = (int *)psi->XBuf[iStart][p]; + for (i = iStart; i < iEnd; i++) { + XBufHi[0] = XBufLo[0]; + XBufHi[1] = XBufLo[1]; + XBufLo += (64 * 2); + XBufHi += (64 * 2); + } + } + k++; /* high QMF band */ + } + } +} + + diff --git a/audio_codec/libraac/sbrhuff.c b/audio_codec/libraac/sbrhuff.c new file mode 100644 index 0000000..07da660 --- a/dev/null +++ b/audio_codec/libraac/sbrhuff.c @@ -0,0 +1,492 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrhuff.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrhuff.c - functions for unpacking Huffman-coded envelope and noise data + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +/************************************************************************************** + * Function: DecodeHuffmanScalar + * + * Description: decode one Huffman symbol from bitstream + * + * Inputs: pointers to Huffman table and info struct + * left-aligned bit buffer with >= huffTabInfo->maxBits bits + * + * Outputs: decoded symbol in *val + * + * Return: number of bits in symbol + * + * Notes: assumes canonical Huffman codes: + * first CW always 0, we have "count" CW's of length "nBits" bits + * starting CW for codes of length nBits+1 = + * (startCW[nBits] + count[nBits]) << 1 + * if there are no codes at nBits, then we just keep << 1 each time + * (since count[nBits] = 0) + **************************************************************************************/ +static int DecodeHuffmanScalar(const signed short *huffTab, const HuffInfo *huffTabInfo, unsigned int bitBuf, signed int *val) +{ + unsigned int count, start, shift, t; + const unsigned char *countPtr; + const signed short *map; + + map = huffTab + huffTabInfo->offset; + countPtr = huffTabInfo->count; + + start = 0; + count = 0; + shift = 32; + do { + start += count; + start <<= 1; + map += count; + count = *countPtr++; + shift--; + t = (bitBuf >> shift) - start; + } while (t >= count); + + *val = (signed int)map[t]; + return (countPtr - huffTabInfo->count); +} + +/************************************************************************************** + * Function: DecodeOneSymbol + * + * Description: dequantize one Huffman symbol from bitstream, + * using table huffTabSBR[huffTabIndex] + * + * Inputs: BitStreamInfo struct pointing to start of next Huffman codeword + * index of Huffman table + * + * Outputs: bitstream advanced by number of bits in codeword + * + * Return: one decoded symbol + **************************************************************************************/ +static int DecodeOneSymbol(BitStreamInfo *bsi, int huffTabIndex) +{ + int nBits, val; + unsigned int bitBuf; + const HuffInfo *hi; + + hi = &(huffTabSBRInfo[huffTabIndex]); + + bitBuf = GetBitsNoAdvance(bsi, hi->maxBits) << (32 - hi->maxBits); + nBits = DecodeHuffmanScalar(huffTabSBR, hi, bitBuf, &val); + AdvanceBitstream(bsi, nBits); + + return val; +} + +/* [1.0, sqrt(2)], format = Q29 (one guard bit for decoupling) */ +static const int envDQTab[2] = {0x20000000, 0x2d413ccc}; + +/************************************************************************************** + * Function: DequantizeEnvelope + * + * Description: dequantize envelope scalefactors + * + * Inputs: number of scalefactors to process + * amplitude resolution flag for this frame (0 or 1) + * quantized envelope scalefactors + * + * Outputs: dequantized envelope scalefactors + * + * Return: extra int bits in output (6 + expMax) + * in other words, output format = Q(FBITS_OUT_DQ_ENV - (6 + expMax)) + * + * Notes: dequantized scalefactors have at least 2 GB + **************************************************************************************/ +static int DequantizeEnvelope(int nBands, int ampRes, signed char *envQuant, int *envDequant) +{ + int exp, expMax, i, scalei; + + if (nBands <= 0) { + return 0; + } + + /* scan for largest dequant value (do separately from envelope decoding to keep code cleaner) */ + expMax = 0; + for (i = 0; i < nBands; i++) { + if (envQuant[i] > expMax) { + expMax = envQuant[i]; + } + } + + /* dequantized envelope gains + * envDequant = 64*2^(envQuant / alpha) = 2^(6 + envQuant / alpha) + * if ampRes == 0, alpha = 2 and range of envQuant = [0, 127] + * if ampRes == 1, alpha = 1 and range of envQuant = [0, 63] + * also if coupling is on, envDequant is scaled by something in range [0, 2] + * so range of envDequant = [2^6, 2^69] (no coupling), [2^6, 2^70] (with coupling) + * + * typical range (from observation) of envQuant/alpha = [0, 27] --> largest envQuant ~= 2^33 + * output: Q(29 - (6 + expMax)) + * + * reference: 14496-3:2001(E)/4.6.18.3.5 and 14496-4:200X/FPDAM8/5.6.5.1.2.1.5 + */ + if (ampRes) { + do { + exp = *envQuant++; + scalei = MIN(expMax - exp, 31); + *envDequant++ = envDQTab[0] >> scalei; + } while (--nBands); + + return (6 + expMax); + } else { + expMax >>= 1; + do { + exp = *envQuant++; + scalei = MIN(expMax - (exp >> 1), 31); + *envDequant++ = envDQTab[exp & 0x01] >> scalei; + } while (--nBands); + + return (6 + expMax); + } + +} + +/************************************************************************************** + * Function: DequantizeNoise + * + * Description: dequantize noise scalefactors + * + * Inputs: number of scalefactors to process + * quantized noise scalefactors + * + * Outputs: dequantized noise scalefactors, format = Q(FBITS_OUT_DQ_NOISE) + * + * Return: none + * + * Notes: dequantized scalefactors have at least 2 GB + **************************************************************************************/ +static void DequantizeNoise(int nBands, signed char *noiseQuant, int *noiseDequant) +{ + int exp, scalei; + + if (nBands <= 0) { + return; + } + + /* dequantize noise floor gains (4.6.18.3.5): + * noiseDequant = 2^(NOISE_FLOOR_OFFSET - noiseQuant) + * + * range of noiseQuant = [0, 30] (see 4.6.18.3.6), NOISE_FLOOR_OFFSET = 6 + * so range of noiseDequant = [2^-24, 2^6] + */ + do { + exp = *noiseQuant++; + scalei = NOISE_FLOOR_OFFSET - exp + FBITS_OUT_DQ_NOISE; /* 6 + 24 - exp, exp = [0,30] */ + + if (scalei < 0) { + *noiseDequant++ = 0; + } else if (scalei < 30) { + *noiseDequant++ = 1 << scalei; + } else { + *noiseDequant++ = 0x3fffffff; /* leave 2 GB */ + } + + } while (--nBands); +} + +/************************************************************************************** + * Function: DecodeSBREnvelope + * + * Description: decode delta Huffman coded envelope scalefactors from bitstream + * + * Inputs: BitStreamInfo struct pointing to start of env data + * initialized PSInfoSBR struct + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * + * Outputs: dequantized env scalefactors for left channel (before decoupling) + * dequantized env scalefactors for right channel (if coupling off) + * or raw decoded env scalefactors for right channel (if coupling on) + * + * Return: none + **************************************************************************************/ +void DecodeSBREnvelope(BitStreamInfo *bsi, PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch) +{ + int huffIndexTime, huffIndexFreq, env, envStartBits, band, nBands, sf, lastEnv; + int freqRes, freqResPrev, dShift, i; + + if (psi->couplingFlag && ch) { + dShift = 1; + if (sbrGrid->ampResFrame) { + huffIndexTime = HuffTabSBR_tEnv30b; + huffIndexFreq = HuffTabSBR_fEnv30b; + envStartBits = 5; + } else { + huffIndexTime = HuffTabSBR_tEnv15b; + huffIndexFreq = HuffTabSBR_fEnv15b; + envStartBits = 6; + } + } else { + dShift = 0; + if (sbrGrid->ampResFrame) { + huffIndexTime = HuffTabSBR_tEnv30; + huffIndexFreq = HuffTabSBR_fEnv30; + envStartBits = 6; + } else { + huffIndexTime = HuffTabSBR_tEnv15; + huffIndexFreq = HuffTabSBR_fEnv15; + envStartBits = 7; + } + } + + /* range of envDataQuant[] = [0, 127] (see comments in DequantizeEnvelope() for reference) */ + for (env = 0; env < sbrGrid->numEnv; env++) { + nBands = (sbrGrid->freqRes[env] ? sbrFreq->nHigh : sbrFreq->nLow); + freqRes = (sbrGrid->freqRes[env]); + freqResPrev = (env == 0 ? sbrGrid->freqResPrev : sbrGrid->freqRes[env - 1]); + lastEnv = (env == 0 ? sbrGrid->numEnvPrev - 1 : env - 1); + if (lastEnv < 0) { + lastEnv = 0; /* first frame */ + } + + ASSERT(nBands <= MAX_QMF_BANDS); + + if (sbrChan->deltaFlagEnv[env] == 0) { + /* delta coding in freq */ + sf = GetBits(bsi, envStartBits) << dShift; + sbrChan->envDataQuant[env][0] = sf; + for (band = 1; band < nBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexFreq) << dShift; + sbrChan->envDataQuant[env][band] = sf + sbrChan->envDataQuant[env][band - 1]; + } + } else if (freqRes == freqResPrev) { + /* delta coding in time - same freq resolution for both frames */ + for (band = 0; band < nBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexTime) << dShift; + sbrChan->envDataQuant[env][band] = sf + sbrChan->envDataQuant[lastEnv][band]; + } + } else if (freqRes == 0 && freqResPrev == 1) { + /* delta coding in time - low freq resolution for new frame, high freq resolution for old frame */ + for (band = 0; band < nBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexTime) << dShift; + sbrChan->envDataQuant[env][band] = sf; + for (i = 0; i < sbrFreq->nHigh; i++) { + if (sbrFreq->freqHigh[i] == sbrFreq->freqLow[band]) { + sbrChan->envDataQuant[env][band] += sbrChan->envDataQuant[lastEnv][i]; + break; + } + } + } + } else if (freqRes == 1 && freqResPrev == 0) { + /* delta coding in time - high freq resolution for new frame, low freq resolution for old frame */ + for (band = 0; band < nBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexTime) << dShift; + sbrChan->envDataQuant[env][band] = sf; + for (i = 0; i < sbrFreq->nLow; i++) { + if (sbrFreq->freqLow[i] <= sbrFreq->freqHigh[band] && sbrFreq->freqHigh[band] < sbrFreq->freqLow[i + 1]) { + sbrChan->envDataQuant[env][band] += sbrChan->envDataQuant[lastEnv][i]; + break; + } + } + } + } + + /* skip coupling channel */ + if (ch != 1 || psi->couplingFlag != 1) { + psi->envDataDequantScale[ch][env] = DequantizeEnvelope(nBands, sbrGrid->ampResFrame, sbrChan->envDataQuant[env], psi->envDataDequant[ch][env]); + } + } + sbrGrid->numEnvPrev = sbrGrid->numEnv; + sbrGrid->freqResPrev = sbrGrid->freqRes[sbrGrid->numEnv - 1]; +} + +/************************************************************************************** + * Function: DecodeSBRNoise + * + * Description: decode delta Huffman coded noise scalefactors from bitstream + * + * Inputs: BitStreamInfo struct pointing to start of noise data + * initialized PSInfoSBR struct + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * + * Outputs: dequantized noise scalefactors for left channel (before decoupling) + * dequantized noise scalefactors for right channel (if coupling off) + * or raw decoded noise scalefactors for right channel (if coupling on) + * + * Return: none + **************************************************************************************/ +void DecodeSBRNoise(BitStreamInfo *bsi, PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch) +{ + int huffIndexTime, huffIndexFreq, noiseFloor, band, dShift, sf, lastNoiseFloor; + + if (psi->couplingFlag && ch) { + dShift = 1; + huffIndexTime = HuffTabSBR_tNoise30b; + huffIndexFreq = HuffTabSBR_fNoise30b; + } else { + dShift = 0; + huffIndexTime = HuffTabSBR_tNoise30; + huffIndexFreq = HuffTabSBR_fNoise30; + } + + for (noiseFloor = 0; noiseFloor < sbrGrid->numNoiseFloors; noiseFloor++) { + lastNoiseFloor = (noiseFloor == 0 ? sbrGrid->numNoiseFloorsPrev - 1 : noiseFloor - 1); + if (lastNoiseFloor < 0) { + lastNoiseFloor = 0; /* first frame */ + } + + ASSERT(sbrFreq->numNoiseFloorBands <= MAX_QMF_BANDS); + + if (sbrChan->deltaFlagNoise[noiseFloor] == 0) { + /* delta coding in freq */ + sbrChan->noiseDataQuant[noiseFloor][0] = GetBits(bsi, 5) << dShift; + for (band = 1; band < sbrFreq->numNoiseFloorBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexFreq) << dShift; + sbrChan->noiseDataQuant[noiseFloor][band] = sf + sbrChan->noiseDataQuant[noiseFloor][band - 1]; + } + } else { + /* delta coding in time */ + for (band = 0; band < sbrFreq->numNoiseFloorBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexTime) << dShift; + sbrChan->noiseDataQuant[noiseFloor][band] = sf + sbrChan->noiseDataQuant[lastNoiseFloor][band]; + } + } + + /* skip coupling channel */ + if (ch != 1 || psi->couplingFlag != 1) { + DequantizeNoise(sbrFreq->numNoiseFloorBands, sbrChan->noiseDataQuant[noiseFloor], psi->noiseDataDequant[ch][noiseFloor]); + } + } + sbrGrid->numNoiseFloorsPrev = sbrGrid->numNoiseFloors; +} + +/* dqTabCouple[i] = 2 / (1 + 2^(12 - i)), format = Q30 */ +static const int dqTabCouple[25] = { + 0x0007ff80, 0x000ffe00, 0x001ff802, 0x003fe010, 0x007f8080, 0x00fe03f8, 0x01f81f82, 0x03e0f83e, + 0x07878788, 0x0e38e38e, 0x1999999a, 0x2aaaaaab, 0x40000000, 0x55555555, 0x66666666, 0x71c71c72, + 0x78787878, 0x7c1f07c2, 0x7e07e07e, 0x7f01fc08, 0x7f807f80, 0x7fc01ff0, 0x7fe007fe, 0x7ff00200, + 0x7ff80080, +}; + +/************************************************************************************** + * Function: UncoupleSBREnvelope + * + * Description: scale dequantized envelope scalefactors according to channel + * coupling rules + * + * Inputs: initialized PSInfoSBR struct including + * dequantized envelope data for left channel + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for right channel including + * quantized envelope scalefactors + * + * Outputs: dequantized envelope data for left channel (after decoupling) + * dequantized envelope data for right channel (after decoupling) + * + * Return: none + **************************************************************************************/ +void UncoupleSBREnvelope(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChanR) +{ + int env, band, nBands, scalei, E_1; + + scalei = (sbrGrid->ampResFrame ? 0 : 1); + for (env = 0; env < sbrGrid->numEnv; env++) { + nBands = (sbrGrid->freqRes[env] ? sbrFreq->nHigh : sbrFreq->nLow); + psi->envDataDequantScale[1][env] = psi->envDataDequantScale[0][env]; /* same scalefactor for L and R */ + for (band = 0; band < nBands; band++) { + /* clip E_1 to [0, 24] (scalefactors approach 0 or 2) */ + E_1 = sbrChanR->envDataQuant[env][band] >> scalei; + if (E_1 < 0) { + E_1 = 0; + } + if (E_1 > 24) { + E_1 = 24; + } + + /* envDataDequant[0] has 1 GB, so << by 2 is okay */ + psi->envDataDequant[1][env][band] = MULSHIFT32(psi->envDataDequant[0][env][band], dqTabCouple[24 - E_1]) << 2; + psi->envDataDequant[0][env][band] = MULSHIFT32(psi->envDataDequant[0][env][band], dqTabCouple[E_1]) << 2; + } + } +} + +/************************************************************************************** + * Function: UncoupleSBRNoise + * + * Description: scale dequantized noise floor scalefactors according to channel + * coupling rules + * + * Inputs: initialized PSInfoSBR struct including + * dequantized noise data for left channel + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel including + * quantized noise scalefactors + * + * Outputs: dequantized noise data for left channel (after decoupling) + * dequantized noise data for right channel (after decoupling) + * + * Return: none + **************************************************************************************/ +void UncoupleSBRNoise(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChanR) +{ + int noiseFloor, band, Q_1; + + for (noiseFloor = 0; noiseFloor < sbrGrid->numNoiseFloors; noiseFloor++) { + for (band = 0; band < sbrFreq->numNoiseFloorBands; band++) { + /* Q_1 should be in range [0, 24] according to 4.6.18.3.6, but check to make sure */ + Q_1 = sbrChanR->noiseDataQuant[noiseFloor][band]; + if (Q_1 < 0) { + Q_1 = 0; + } + if (Q_1 > 24) { + Q_1 = 24; + } + + /* noiseDataDequant[0] has 1 GB, so << by 2 is okay */ + psi->noiseDataDequant[1][noiseFloor][band] = MULSHIFT32(psi->noiseDataDequant[0][noiseFloor][band], dqTabCouple[24 - Q_1]) << 2; + psi->noiseDataDequant[0][noiseFloor][band] = MULSHIFT32(psi->noiseDataDequant[0][noiseFloor][band], dqTabCouple[Q_1]) << 2; + } + } +} diff --git a/audio_codec/libraac/sbrimdct.c b/audio_codec/libraac/sbrimdct.c new file mode 100644 index 0000000..abec008 --- a/dev/null +++ b/audio_codec/libraac/sbrimdct.c @@ -0,0 +1,447 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrimdct.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrimdct.c - inverse MDCT without clipping or interleaving, for input to SBR + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +/************************************************************************************** + * Function: DecWindowOverlapNoClip + * + * Description: apply synthesis window, do overlap-add without clipping, + * for winSequence LONG-LONG + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 32-bit PCM, non-interleaved + * + * Return: none + * + * Notes: use this function when the decoded PCM is going to the SBR decoder + **************************************************************************************/ +void DecWindowOverlapNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev) +{ + int in, w0, w1, f0, f1; + int *buf1, *over1, *out1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + out1 = out0 + 1024 - 1; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + if (winTypeCurr == winTypePrev) { + /* cut window loads in half since current and overlap sections use same symmetric window */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } else { + /* different windows for current and overlap parts - should still fit in registers on ARM w/o stack spill */ + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } +} + +/************************************************************************************** + * Function: DecWindowOverlapLongStart + * + * Description: apply synthesis window, do overlap-add, without clipping + * for winSequence LONG-START + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 32-bit PCM, non-interleaved + * + * Return: none + * + * Notes: use this function when the decoded PCM is going to the SBR decoder + **************************************************************************************/ +void DecWindowOverlapLongStartNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1, *out1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + out1 = out0 + 1024 - 1; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + i = 448; /* 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + in = *buf1--; + + *over1-- = 0; /* Wn = 0 for n = (2047, 2046, ... 1600) */ + *over0++ = in >> 1; /* Wn = 1 for n = (1024, 1025, ... 1471) */ + } while (--i); + + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + + /* do 64 more loops - 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; /* W[0], W[1], ... --> W[255], W[254], ... */ + w1 = *wndCurr++; /* W[127], W[126], ... --> W[128], W[129], ... */ + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); /* Wn = short window for n = (1599, 1598, ... , 1536) */ + *over0++ = MULSHIFT32(w1, in); /* Wn = short window for n = (1472, 1473, ... , 1535) */ + } while (over0 < over1); +} + +/************************************************************************************** + * Function: DecWindowOverlapLongStop + * + * Description: apply synthesis window, do overlap-add, without clipping + * for winSequence LONG-STOP + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 32-bit PCM, non-interleaved + * + * Return: none + * + * Notes: use this function when the decoded PCM is going to the SBR decoder + **************************************************************************************/ +void DecWindowOverlapLongStopNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1, *out1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + out1 = out0 + 1024 - 1; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + + i = 448; /* 2 outputs, 2 overlaps per loop */ + do { + /* Wn = 0 for n = (0, 1, ... 447) */ + /* Wn = 1 for n = (576, 577, ... 1023) */ + in = *buf0++; + f1 = in >> 1; /* scale since skipping multiply by Q31 */ + + in = *over0; + *out0++ = in; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (--i); + + /* do 64 more loops - 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; /* W[0], W[1], ...W[63] */ + w1 = *wndPrev++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); +} + +/************************************************************************************** + * Function: DecWindowOverlapShort + * + * Description: apply synthesis window, do overlap-add, without clipping + * for winSequence EIGHT-SHORT (does all 8 short blocks) + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 32-bit PCM, non-interleaved + * + * Return: none + * + * Notes: use this function when the decoded PCM is going to the SBR decoder + **************************************************************************************/ +void DecWindowOverlapShortNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1, *out1; + const int *wndPrev, *wndCurr; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + + /* pcm[0-447] = 0 + overlap[0-447] */ + i = 448; + do { + f0 = *over0++; + f1 = *over0++; + *out0++ = f0; + *out0++ = f1; + i -= 2; + } while (i); + + /* pcm[448-575] = Wp[0-127] * block0[0-127] + overlap[448-575] */ + out1 = out0 + (128 - 1); + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + do { + w0 = *wndPrev++; /* W[0], W[1], ...W[63] */ + w1 = *wndPrev++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + /* save over0/over1 for next short block, in the slots just vacated */ + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + + /* pcm[576-703] = Wc[128-255] * block0[128-255] + Wc[0-127] * block1[0-127] + overlap[576-703] + * pcm[704-831] = Wc[128-255] * block1[128-255] + Wc[0-127] * block2[0-127] + overlap[704-831] + * pcm[832-959] = Wc[128-255] * block2[128-255] + Wc[0-127] * block3[0-127] + overlap[832-959] + */ + for (i = 0; i < 3; i++) { + out0 += 64; + out1 = out0 + 128 - 1; + over0 += 64; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *(over0 - 128); /* from last short block */ + in += *(over0 + 0); /* from last full frame */ + *out0++ = in - f0; + + in = *(over1 - 128); /* from last short block */ + in += *(over1 + 0); /* from last full frame */ + *out1-- = in + f1; + + /* save over0/over1 for next short block, in the slots just vacated */ + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } + + /* pcm[960-1023] = Wc[128-191] * block3[128-191] + Wc[0-63] * block4[0-63] + overlap[960-1023] + * over[0-63] = Wc[192-255] * block3[192-255] + Wc[64-127] * block4[64-127] + */ + out0 += 64; + over0 -= 832; /* points at overlap[64] */ + over1 = over0 + 128 - 1; /* points at overlap[191] */ + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *(over0 + 768); /* from last short block */ + in += *(over0 + 896); /* from last full frame */ + *out0++ = in - f0; + + in = *(over1 + 768); /* from last short block */ + *(over1 - 128) = in + f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); /* save in overlap[128-191] */ + *over0++ = MULSHIFT32(w1, in); /* save in overlap[64-127] */ + } while (over0 < over1); + + /* over0 now points at overlap[128] */ + + /* over[64-191] = Wc[128-255] * block4[128-255] + Wc[0-127] * block5[0-127] + * over[192-319] = Wc[128-255] * block5[128-255] + Wc[0-127] * block6[0-127] + * over[320-447] = Wc[128-255] * block6[128-255] + Wc[0-127] * block7[0-127] + * over[448-576] = Wc[128-255] * block7[128-255] + */ + for (i = 0; i < 3; i++) { + over0 += 64; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + /* from last short block */ + *(over0 - 128) -= f0; + *(over1 - 128) += f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } + + /* over[576-1024] = 0 */ + i = 448; + over0 += 64; + do { + *over0++ = 0; + *over0++ = 0; + *over0++ = 0; + *over0++ = 0; + i -= 4; + } while (i); +} diff --git a/audio_codec/libraac/sbrmath.c b/audio_codec/libraac/sbrmath.c new file mode 100644 index 0000000..784f909 --- a/dev/null +++ b/audio_codec/libraac/sbrmath.c @@ -0,0 +1,198 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrmath.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrmath.c - fixed-point math functions for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +#define Q28_2 0x20000000 /* Q28: 2.0 */ +#define Q28_15 0x30000000 /* Q28: 1.5 */ + +#define NUM_ITER_IRN 5 + +/************************************************************************************** + * Function: InvRNormalized + * + * Description: use Newton's method to solve for x = 1/r + * + * Inputs: r = Q31, range = [0.5, 1) (normalize your inputs to this range) + * + * Outputs: none + * + * Return: x = Q29, range ~= [1.0, 2.0] + * + * Notes: guaranteed to converge and not overflow for any r in [0.5, 1) + * + * xn+1 = xn - f(xn)/f'(xn) + * f(x) = 1/r - x = 0 (find root) + * = 1/x - r + * f'(x) = -1/x^2 + * + * so xn+1 = xn - (1/xn - r) / (-1/xn^2) + * = xn * (2 - r*xn) + * + * NUM_ITER_IRN = 2, maxDiff = 6.2500e-02 (precision of about 4 bits) + * NUM_ITER_IRN = 3, maxDiff = 3.9063e-03 (precision of about 8 bits) + * NUM_ITER_IRN = 4, maxDiff = 1.5288e-05 (precision of about 16 bits) + * NUM_ITER_IRN = 5, maxDiff = 3.0034e-08 (precision of about 24 bits) + **************************************************************************************/ +int InvRNormalized(int r) +{ + int i, xn, t; + + /* r = [0.5, 1.0) + * 1/r = (1.0, 2.0] + * so use 1.5 as initial guess + */ + xn = Q28_15; + + /* xn = xn*(2.0 - r*xn) */ + for (i = NUM_ITER_IRN; i != 0; i--) { + t = MULSHIFT32(r, xn); /* Q31*Q29 = Q28 */ + t = Q28_2 - t; /* Q28 */ + xn = MULSHIFT32(xn, t) << 4; /* Q29*Q28 << 4 = Q29 */ + } + + return xn; +} + +#define NUM_TERMS_RPI 5 +#define LOG2_EXP_INV 0x58b90bfc /* 1/log2(e), Q31 */ + +/* invTab[x] = 1/(x+1), format = Q30 */ +static const int invTab[NUM_TERMS_RPI] = {0x40000000, 0x20000000, 0x15555555, 0x10000000, 0x0ccccccd}; + +/************************************************************************************** + * Function: RatioPowInv + * + * Description: use Taylor (MacLaurin) series expansion to calculate (a/b) ^ (1/c) + * + * Inputs: a = [1, 64], b = [1, 64], c = [1, 64], a >= b + * + * Outputs: none + * + * Return: y = Q24, range ~= [0.015625, 64] + **************************************************************************************/ +int RatioPowInv(int a, int b, int c) +{ + int lna, lnb, i, p, t, y; + + if (a < 1 || b < 1 || c < 1 || a > 64 || b > 64 || c > 64 || a < b) { + return 0; + } + + lna = MULSHIFT32(log2Tab[a], LOG2_EXP_INV) << 1; /* ln(a), Q28 */ + lnb = MULSHIFT32(log2Tab[b], LOG2_EXP_INV) << 1; /* ln(b), Q28 */ + p = (lna - lnb) / c; /* Q28 */ + + /* sum in Q24 */ + y = (1 << 24); + t = p >> 4; /* t = p^1 * 1/1! (Q24)*/ + y += t; + + for (i = 2; i <= NUM_TERMS_RPI; i++) { + t = MULSHIFT32(invTab[i - 1], t) << 2; + t = MULSHIFT32(p, t) << 4; /* t = p^i * 1/i! (Q24) */ + y += t; + } + + return y; +} + +/************************************************************************************** + * Function: SqrtFix + * + * Description: use binary search to calculate sqrt(q) + * + * Inputs: q = Q30 + * number of fraction bits in input + * + * Outputs: number of fraction bits in output + * + * Return: lo = Q(fBitsOut) + * + * Notes: absolute precision varies depending on fBitsIn + * normalizes input to range [0x200000000, 0x7fffffff] and takes + * floor(sqrt(input)), and sets fBitsOut appropriately + **************************************************************************************/ +int SqrtFix(int q, int fBitsIn, int *fBitsOut) +{ + int z, lo, hi, mid; + + if (q <= 0) { + *fBitsOut = fBitsIn; + return 0; + } + + /* force even fBitsIn */ + z = fBitsIn & 0x01; + q >>= z; + fBitsIn -= z; + + /* for max precision, normalize to [0x20000000, 0x7fffffff] */ + z = (CLZ(q) - 1); + z >>= 1; + q <<= (2 * z); + + /* choose initial bounds */ + lo = 1; + if (q >= 0x10000000) { + lo = 16384; /* (int)sqrt(0x10000000) */ + } + hi = 46340; /* (int)sqrt(0x7fffffff) */ + + /* do binary search with 32x32->32 multiply test */ + do { + mid = (lo + hi) >> 1; + if (mid * mid > q) { + hi = mid - 1; + } else { + lo = mid + 1; + } + } while (hi >= lo); + lo--; + + *fBitsOut = ((fBitsIn + 2 * z) >> 1); + return lo; +} diff --git a/audio_codec/libraac/sbrqmf.c b/audio_codec/libraac/sbrqmf.c new file mode 100644 index 0000000..9e8e790 --- a/dev/null +++ b/audio_codec/libraac/sbrqmf.c @@ -0,0 +1,643 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrqmf.c,v 1.2 2005/05/19 20:45:20 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrqmf.c - analysis and synthesis QMF filters for SBR + **************************************************************************************/ +#include "sbr.h" +#include "assembly.h" +#include + + +/* PreMultiply64() table + * format = Q30 + * reordered for sequential access + * + * for (i = 0; i < 64/4; i++) { + * angle = (i + 0.25) * M_PI / nmdct; + * x = (cos(angle) + sin(angle)); + * x = sin(angle); + * + * angle = (nmdct/2 - 1 - i + 0.25) * M_PI / nmdct; + * x = (cos(angle) + sin(angle)); + * x = sin(angle); + * } + */ +static const int cos4sin4tab64[64] = { + 0x40c7d2bd, 0x00c90e90, 0x424ff28f, 0x3ff4e5e0, 0x43cdd89a, 0x03ecadcf, 0x454149fc, 0x3fc395f9, + 0x46aa0d6d, 0x070de172, 0x4807eb4b, 0x3f6af2e3, 0x495aada2, 0x0a2abb59, 0x4aa22036, 0x3eeb3347, + 0x4bde1089, 0x0d415013, 0x4d0e4de2, 0x3e44a5ef, 0x4e32a956, 0x104fb80e, 0x4f4af5d1, 0x3d77b192, + 0x50570819, 0x135410c3, 0x5156b6d9, 0x3c84d496, 0x5249daa2, 0x164c7ddd, 0x53304df6, 0x3b6ca4c4, + 0x5409ed4b, 0x19372a64, 0x54d69714, 0x3a2fcee8, 0x55962bc0, 0x1c1249d8, 0x56488dc5, 0x38cf1669, + 0x56eda1a0, 0x1edc1953, 0x57854ddd, 0x374b54ce, 0x580f7b19, 0x2192e09b, 0x588c1404, 0x35a5793c, + 0x58fb0568, 0x2434f332, 0x595c3e2a, 0x33de87de, 0x59afaf4c, 0x26c0b162, 0x59f54bee, 0x31f79948, + 0x5a2d0957, 0x29348937, 0x5a56deec, 0x2ff1d9c7, 0x5a72c63b, 0x2b8ef77d, 0x5a80baf6, 0x2dce88aa, +}; + +/* PostMultiply64() table + * format = Q30 + * reordered for sequential access + * + * for (i = 0; i <= (32/2); i++) { + * angle = i * M_PI / 64; + * x = (cos(angle) + sin(angle)); + * x = sin(angle); + * } + */ +static const int cos1sin1tab64[34] = { + 0x40000000, 0x00000000, 0x43103085, 0x0323ecbe, 0x45f704f7, 0x0645e9af, 0x48b2b335, 0x09640837, + 0x4b418bbe, 0x0c7c5c1e, 0x4da1fab5, 0x0f8cfcbe, 0x4fd288dc, 0x1294062f, 0x51d1dc80, 0x158f9a76, + 0x539eba45, 0x187de2a7, 0x553805f2, 0x1b5d100a, 0x569cc31b, 0x1e2b5d38, 0x57cc15bc, 0x20e70f32, + 0x58c542c5, 0x238e7673, 0x5987b08a, 0x261feffa, 0x5a12e720, 0x2899e64a, 0x5a6690ae, 0x2afad269, + 0x5a82799a, 0x2d413ccd, +}; + +/************************************************************************************** + * Function: PreMultiply64 + * + * Description: pre-twiddle stage of 64-point DCT-IV + * + * Inputs: buffer of 64 samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out, gains 2 int bits + * gbOut = gbIn + 1 + * output is limited to sqrt(2)/2 plus GB in full GB + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + **************************************************************************************/ +static void PreMultiply64(int *zbuf1) +{ + int i, ar1, ai1, ar2, ai2, z1, z2; + int t, cms2, cps2a, sin2a, cps2b, sin2b; + int *zbuf2; + const int *csptr; + + zbuf2 = zbuf1 + 64 - 1; + csptr = cos4sin4tab64; + + /* whole thing should fit in registers - verify that compiler does this */ + for (i = 64 >> 2; i != 0; i--) { + /* cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) */ + cps2a = *csptr++; + sin2a = *csptr++; + cps2b = *csptr++; + sin2b = *csptr++; + + ar1 = *(zbuf1 + 0); + ai2 = *(zbuf1 + 1); + ai1 = *(zbuf2 + 0); + ar2 = *(zbuf2 - 1); + + /* gain 2 ints bit from MULSHIFT32 by Q30 + * max per-sample gain (ignoring implicit scaling) = MAX(sin(angle)+cos(angle)) = 1.414 + * i.e. gain 1 GB since worst case is sin(angle) = cos(angle) = 0.707 (Q30), gain 2 from + * extra sign bits, and eat one in adding + */ + t = MULSHIFT32(sin2a, ar1 + ai1); + z2 = MULSHIFT32(cps2a, ai1) - t; + cms2 = cps2a - 2 * sin2a; + z1 = MULSHIFT32(cms2, ar1) + t; + *zbuf1++ = z1; /* cos*ar1 + sin*ai1 */ + *zbuf1++ = z2; /* cos*ai1 - sin*ar1 */ + + t = MULSHIFT32(sin2b, ar2 + ai2); + z2 = MULSHIFT32(cps2b, ai2) - t; + cms2 = cps2b - 2 * sin2b; + z1 = MULSHIFT32(cms2, ar2) + t; + *zbuf2-- = z2; /* cos*ai2 - sin*ar2 */ + *zbuf2-- = z1; /* cos*ar2 + sin*ai2 */ + } +} + +/************************************************************************************** + * Function: PostMultiply64 + * + * Description: post-twiddle stage of 64-point type-IV DCT + * + * Inputs: buffer of 64 samples + * number of output samples to calculate + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out, gains 2 int bits + * gbOut = gbIn + 1 + * output is limited to sqrt(2)/2 plus GB in full GB + * nSampsOut is rounded up to next multiple of 4, since we calculate + * 4 samples per loop + **************************************************************************************/ +static void PostMultiply64(int *fft1, int nSampsOut) +{ + int i, ar1, ai1, ar2, ai2; + int t, cms2, cps2, sin2; + int *fft2; + const int *csptr; + + csptr = cos1sin1tab64; + fft2 = fft1 + 64 - 1; + + /* load coeffs for first pass + * cps2 = (cos+sin)/2, sin2 = sin/2, cms2 = (cos-sin)/2 + */ + cps2 = *csptr++; + sin2 = *csptr++; + cms2 = cps2 - 2 * sin2; + + for (i = (nSampsOut + 3) >> 2; i != 0; i--) { + ar1 = *(fft1 + 0); + ai1 = *(fft1 + 1); + ar2 = *(fft2 - 1); + ai2 = *(fft2 + 0); + + /* gain 2 int bits (multiplying by Q30), max gain = sqrt(2) */ + t = MULSHIFT32(sin2, ar1 + ai1); + *fft2-- = t - MULSHIFT32(cps2, ai1); + *fft1++ = t + MULSHIFT32(cms2, ar1); + + cps2 = *csptr++; + sin2 = *csptr++; + + ai2 = -ai2; + t = MULSHIFT32(sin2, ar2 + ai2); + *fft2-- = t - MULSHIFT32(cps2, ai2); + cms2 = cps2 - 2 * sin2; + *fft1++ = t + MULSHIFT32(cms2, ar2); + } +} + +/************************************************************************************** + * Function: QMFAnalysisConv + * + * Description: convolution kernel for analysis QMF + * + * Inputs: pointer to coefficient table, reordered for sequential access + * delay buffer of size 32*10 = 320 real-valued PCM samples + * index for delay ring buffer (range = [0, 9]) + * + * Outputs: 64 consecutive 32-bit samples + * + * Return: none + * + * Notes: this is carefully written to be efficient on ARM + * use the assembly code version in sbrqmfak.s when building for ARM! + **************************************************************************************/ + +#ifdef __cplusplus +extern "C" +#endif +void QMFAnalysisConv(int *cTab, int *delay, int dIdx, int *uBuf) +{ + int k, dOff; + int *cPtr0, *cPtr1; + U64 u64lo, u64hi; + + dOff = dIdx * 32 + 31; + cPtr0 = cTab; + cPtr1 = cTab + 33 * 5 - 1; + + /* special first pass since we need to flip sign to create cTab[384], cTab[512] */ + u64lo.w64 = 0; + u64hi.w64 = 0; + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, -(*cPtr1--), delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, -(*cPtr1--), delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + + uBuf[0] = u64lo.r.hi32; + uBuf[32] = u64hi.r.hi32; + uBuf++; + dOff--; + + /* max gain for any sample in uBuf, after scaling by cTab, ~= 0.99 + * so we can just sum the uBuf values with no overflow problems + */ + for (k = 1; k <= 31; k++) { + u64lo.w64 = 0; + u64hi.w64 = 0; + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + + uBuf[0] = u64lo.r.hi32; + uBuf[32] = u64hi.r.hi32; + uBuf++; + dOff--; + } +} + +/************************************************************************************** + * Function: QMFAnalysis + * + * Description: 32-subband analysis QMF (4.6.18.4.1) + * + * Inputs: 32 consecutive samples of decoded 32-bit PCM, format = Q(fBitsIn) + * delay buffer of size 32*10 = 320 PCM samples + * number of fraction bits in input PCM + * index for delay ring buffer (range = [0, 9]) + * number of subbands to calculate (range = [0, 32]) + * + * Outputs: qmfaBands complex subband samples, format = Q(FBITS_OUT_QMFA) + * updated delay buffer + * updated delay index + * + * Return: guard bit mask + * + * Notes: output stored as RE{X0}, IM{X0}, RE{X1}, IM{X1}, ... RE{X31}, IM{X31} + * output stored in int buffer of size 64*2 = 128 + * (zero-filled from XBuf[2*qmfaBands] to XBuf[127]) + **************************************************************************************/ +int QMFAnalysis(int *inbuf, int *delay, int *XBuf, int fBitsIn, int *delayIdx, int qmfaBands) +{ + int n, y, shift, gbMask; + int *delayPtr, *uBuf, *tBuf; + + /* use XBuf[128] as temp buffer for reordering */ + uBuf = XBuf; /* first 64 samples */ + tBuf = XBuf + 64; /* second 64 samples */ + + /* overwrite oldest PCM with new PCM + * delay[n] has 1 GB after shifting (either << or >>) + */ + delayPtr = delay + (*delayIdx * 32); + if (fBitsIn > FBITS_IN_QMFA) { + shift = MIN(fBitsIn - FBITS_IN_QMFA, 31); + for (n = 32; n != 0; n--) { + y = (*inbuf) >> shift; + inbuf++; + *delayPtr++ = y; + } + } else { + shift = MIN(FBITS_IN_QMFA - fBitsIn, 30); + for (n = 32; n != 0; n--) { + y = *inbuf++; + CLIP_2N_SHIFT30(y, shift); + *delayPtr++ = y; + } + } + + QMFAnalysisConv((int *)cTabA, delay, *delayIdx, uBuf); + + /* uBuf has at least 2 GB right now (1 from clipping to Q(FBITS_IN_QMFA), one from + * the scaling by cTab (MULSHIFT32(*delayPtr--, *cPtr++), with net gain of < 1.0) + * TODO - fuse with QMFAnalysisConv to avoid separate reordering + */ + tBuf[2 * 0 + 0] = uBuf[0]; + tBuf[2 * 0 + 1] = uBuf[1]; + for (n = 1; n < 31; n++) { + tBuf[2 * n + 0] = -uBuf[64 - n]; + tBuf[2 * n + 1] = uBuf[n + 1]; + } + tBuf[2 * 31 + 1] = uBuf[32]; + tBuf[2 * 31 + 0] = -uBuf[33]; + + /* fast in-place DCT-IV - only need 2*qmfaBands output samples */ + PreMultiply64(tBuf); /* 2 GB in, 3 GB out */ + FFT32C(tBuf); /* 3 GB in, 1 GB out */ + PostMultiply64(tBuf, qmfaBands * 2); /* 1 GB in, 2 GB out */ + + /* TODO - roll into PostMultiply (if enough registers) */ + gbMask = 0; + for (n = 0; n < qmfaBands; n++) { + XBuf[2 * n + 0] = tBuf[ n + 0]; /* implicit scaling of 2 in our output Q format */ + gbMask |= FASTABS(XBuf[2 * n + 0]); + XBuf[2 * n + 1] = -tBuf[63 - n]; + gbMask |= FASTABS(XBuf[2 * n + 1]); + } + + /* fill top section with zeros for HF generation */ + for (; n < 64; n++) { + XBuf[2 * n + 0] = 0; + XBuf[2 * n + 1] = 0; + } + + *delayIdx = (*delayIdx == NUM_QMF_DELAY_BUFS - 1 ? 0 : *delayIdx + 1); + + /* minimum of 2 GB in output */ + return gbMask; +} + +/* lose FBITS_LOST_DCT4_64 in DCT4, gain 6 for implicit scaling by 1/64, lose 1 for cTab multiply (Q31) */ +#define FBITS_OUT_QMFS (FBITS_IN_QMFS - FBITS_LOST_DCT4_64 + 6 - 1) +#define RND_VAL (1 << (FBITS_OUT_QMFS-1)) + +/************************************************************************************** + * Function: QMFSynthesisConv + * + * Description: final convolution kernel for synthesis QMF + * + * Inputs: pointer to coefficient table, reordered for sequential access + * delay buffer of size 64*10 = 640 complex samples (1280 ints) + * index for delay ring buffer (range = [0, 9]) + * number of QMF subbands to process (range = [0, 64]) + * number of channels + * + * Outputs: 64 consecutive 16-bit PCM samples, interleaved by factor of nChans + * + * Return: none + * + * Notes: this is carefully written to be efficient on ARM + * use the assembly code version in sbrqmfsk.s when building for ARM! + **************************************************************************************/ + +#ifdef __cplusplus +extern "C" +#endif +void QMFSynthesisConv(int *cPtr, int *delay, int dIdx, short *outbuf, int nChans) +{ + int k, dOff0, dOff1; + U64 sum64; + + dOff0 = (dIdx) * 128; + dOff1 = dOff0 - 1; + if (dOff1 < 0) { + dOff1 += 1280; + } + + /* scaling note: total gain of coefs (cPtr[0]-cPtr[9] for any k) is < 2.0, so 1 GB in delay values is adequate */ + for (k = 0; k <= 63; k++) { + sum64.w64 = 0; + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + + dOff0++; + dOff1--; + *outbuf = CLIPTOSHORT((sum64.r.hi32 + RND_VAL) >> FBITS_OUT_QMFS); + outbuf += nChans; + } +} + +/************************************************************************************** + * Function: QMFSynthesis + * + * Description: 64-subband synthesis QMF (4.6.18.4.2) + * + * Inputs: 64 consecutive complex subband QMF samples, format = Q(FBITS_IN_QMFS) + * delay buffer of size 64*10 = 640 complex samples (1280 ints) + * index for delay ring buffer (range = [0, 9]) + * number of QMF subbands to process (range = [0, 64]) + * number of channels + * + * Outputs: 64 consecutive 16-bit PCM samples, interleaved by factor of nChans + * updated delay buffer + * updated delay index + * + * Return: none + * + * Notes: assumes MIN_GBITS_IN_QMFS guard bits in input, either from + * QMFAnalysis (if upsampling only) or from MapHF (if SBR on) + **************************************************************************************/ +void QMFSynthesis(int *inbuf, int *delay, int *delayIdx, int qmfsBands, short *outbuf, int nChans) +{ + int n, a0, a1, b0, b1, dOff0, dOff1, dIdx; + int *tBufLo, *tBufHi; + + dIdx = *delayIdx; + tBufLo = delay + dIdx * 128 + 0; + tBufHi = delay + dIdx * 128 + 127; + + /* reorder inputs to DCT-IV, only use first qmfsBands (complex) samples + * TODO - fuse with PreMultiply64 to avoid separate reordering steps + */ + for (n = 0; n < qmfsBands >> 1; n++) { + a0 = *inbuf++; + b0 = *inbuf++; + a1 = *inbuf++; + b1 = *inbuf++; + *tBufLo++ = a0; + *tBufLo++ = a1; + *tBufHi-- = b0; + *tBufHi-- = b1; + } + if (qmfsBands & 0x01) { + a0 = *inbuf++; + b0 = *inbuf++; + *tBufLo++ = a0; + *tBufHi-- = b0; + *tBufLo++ = 0; + *tBufHi-- = 0; + n++; + } + for (; n < 32; n++) { + *tBufLo++ = 0; + *tBufHi-- = 0; + *tBufLo++ = 0; + *tBufHi-- = 0; + } + + tBufLo = delay + dIdx * 128 + 0; + tBufHi = delay + dIdx * 128 + 64; + + /* 2 GB in, 3 GB out */ + PreMultiply64(tBufLo); + PreMultiply64(tBufHi); + + /* 3 GB in, 1 GB out */ + FFT32C(tBufLo); + FFT32C(tBufHi); + + /* 1 GB in, 2 GB out */ + PostMultiply64(tBufLo, 64); + PostMultiply64(tBufHi, 64); + + /* could fuse with PostMultiply64 to avoid separate pass */ + dOff0 = dIdx * 128; + dOff1 = dIdx * 128 + 64; + for (n = 32; n != 0; n--) { + a0 = (*tBufLo++); + a1 = (*tBufLo++); + b0 = (*tBufHi++); + b1 = -(*tBufHi++); + + delay[dOff0++] = (b0 - a0); + delay[dOff0++] = (b1 - a1); + delay[dOff1++] = (b0 + a0); + delay[dOff1++] = (b1 + a1); + } + + QMFSynthesisConv((int *)cTabS, delay, dIdx, outbuf, nChans); + + *delayIdx = (*delayIdx == NUM_QMF_DELAY_BUFS - 1 ? 0 : *delayIdx + 1); +} diff --git a/audio_codec/libraac/sbrqmfak.s b/audio_codec/libraac/sbrqmfak.s new file mode 100755 index 0000000..ceb3e2b --- a/dev/null +++ b/audio_codec/libraac/sbrqmfak.s @@ -0,0 +1,182 @@ +@ ***** BEGIN LICENSE BLOCK ***** +@ Source last modified: $Id: sbrqmfak.s,v 1.1 2005/04/08 21:59:46 jrecker Exp $ +@ +@ Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. +@ +@ The contents of this file, and the files included with this file, +@ are subject to the current version of the RealNetworks Public +@ Source License (the "RPSL") available at +@ http://www.helixcommunity.org/content/rpsl unless you have licensed +@ the file under the current version of the RealNetworks Community +@ Source License (the "RCSL") available at +@ http://www.helixcommunity.org/content/rcsl, in which case the RCSL +@ will apply. You may also obtain the license terms directly from +@ RealNetworks. You may not use this file except in compliance with +@ the RPSL or, if you have a valid RCSL with RealNetworks applicable +@ to this file, the RCSL. Please see the applicable RPSL or RCSL for +@ the rights, obligations and limitations governing use of the +@ contents of the file. +@ +@ This file is part of the Helix DNA Technology. RealNetworks is the +@ developer and/or licensor of the Original Code and owns the +@ copyrights in the portions it created. +@ +@ This file, and the files included with this file, is distributed +@ and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY +@ KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS +@ ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES +@ OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET +@ ENJOYMENT OR NON-INFRINGEMENT. +@ +@ Technology Compatibility Kit Test Suite(s) Location: +@ http://www.helixcommunity.org/content/tck +@ +@ Contributor(s): +@ +@ ***** END LICENSE BLOCK ***** + + .text + .code 32 + .align + +@void QMFAnalysisConv(int *cTab, int *delay, int dIdx, int *uBuf) +@ see comments in sbrqmf.c + + .global raac_QMFAnalysisConv + .type raac_QMFAnalysisConv, %function +raac_QMFAnalysisConv: + stmfd sp!, {r4-r11, r14} + + mov r6, r2, lsl #5 @ dOff0 = 32*dIdx + add r6, r6, #31 @ dOff0 = 32*dIdx + 31 + add r4, r0, #4*(164) @ cPtr1 = cPtr0 + 164 + + @ special first pass (flip sign for cTab[384], cTab[512]) + ldr r11, [r0], #4 + ldr r14, [r0], #4 + ldr r12, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + ldr r2, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + smull r7, r8, r11, r12 + smull r9, r10, r14, r2 + + ldr r11, [r0], #4 + ldr r14, [r0], #4 + ldr r12, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + ldr r2, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + smlal r7, r8, r11, r12 + smlal r9, r10, r14, r2 + + ldr r11, [r0], #4 + ldr r14, [r4], #-4 + ldr r12, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + ldr r2, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + smlal r7, r8, r11, r12 + smlal r9, r10, r14, r2 + + ldr r11, [r4], #-4 + ldr r14, [r4], #-4 + ldr r12, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + ldr r2, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + rsb r11, r11, #0 + smlal r7, r8, r11, r12 + smlal r9, r10, r14, r2 + + ldr r11, [r4], #-4 + ldr r14, [r4], #-4 + ldr r12, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + ldr r2, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + rsb r11, r11, #0 + smlal r7, r8, r11, r12 + smlal r9, r10, r14, r2 + + str r10, [r3, #4*32] + str r8, [r3], #4 + sub r6, r6, #1 + mov r5, #31 + +SRC_Loop_Start: + ldr r11, [r0], #4 + ldr r14, [r0], #4 + ldr r12, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + ldr r2, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + smull r7, r8, r11, r12 + smull r9, r10, r14, r2 + + ldr r11, [r0], #4 + ldr r14, [r0], #4 + ldr r12, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + ldr r2, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + smlal r7, r8, r11, r12 + smlal r9, r10, r14, r2 + + ldr r11, [r0], #4 + ldr r14, [r4], #-4 + ldr r12, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + ldr r2, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + smlal r7, r8, r11, r12 + smlal r9, r10, r14, r2 + + ldr r11, [r4], #-4 + ldr r14, [r4], #-4 + ldr r12, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + ldr r2, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + smlal r7, r8, r11, r12 + smlal r9, r10, r14, r2 + + ldr r11, [r4], #-4 + ldr r14, [r4], #-4 + ldr r12, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + ldr r2, [r1, r6, lsl #2] + subs r6, r6, #32 + addlt r6, r6, #320 + smlal r7, r8, r11, r12 + smlal r9, r10, r14, r2 + + str r10, [r3, #4*32] + str r8, [r3], #4 + sub r6, r6, #1 + + subs r5, r5, #1 + bne SRC_Loop_Start + + ldmfd sp!, {r4-r11, pc} + + .end diff --git a/audio_codec/libraac/sbrqmfsk.s b/audio_codec/libraac/sbrqmfsk.s new file mode 100755 index 0000000..ea93f7a --- a/dev/null +++ b/audio_codec/libraac/sbrqmfsk.s @@ -0,0 +1,130 @@ +@ ***** BEGIN LICENSE BLOCK ***** +@ Source last modified: $Id: sbrqmfsk.s,v 1.1 2005/04/08 21:59:46 jrecker Exp $ +@ +@ Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. +@ +@ The contents of this file, and the files included with this file, +@ are subject to the current version of the RealNetworks Public +@ Source License (the "RPSL") available at +@ http://www.helixcommunity.org/content/rpsl unless you have licensed +@ the file under the current version of the RealNetworks Community +@ Source License (the "RCSL") available at +@ http://www.helixcommunity.org/content/rcsl, in which case the RCSL +@ will apply. You may also obtain the license terms directly from +@ RealNetworks. You may not use this file except in compliance with +@ the RPSL or, if you have a valid RCSL with RealNetworks applicable +@ to this file, the RCSL. Please see the applicable RPSL or RCSL for +@ the rights, obligations and limitations governing use of the +@ contents of the file. +@ +@ This file is part of the Helix DNA Technology. RealNetworks is the +@ developer and/or licensor of the Original Code and owns the +@ copyrights in the portions it created. +@ +@ This file, and the files included with this file, is distributed +@ and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY +@ KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS +@ ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES +@ OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET +@ ENJOYMENT OR NON-INFRINGEMENT. +@ +@ Technology Compatibility Kit Test Suite(s) Location: +@ http://www.helixcommunity.org/content/tck +@ +@ Contributor(s): +@ +@ ***** END LICENSE BLOCK ***** + + .text + .code 32 + .align + +@ void QMFSynthesisConv(int *cPtr, int *delay, int dIdx, short *outbuf, int nChans); +@ see comments in sbrqmf.c + + .global raac_QMFSynthesisConv + .type raac_QMFSynthesisConv, %function +raac_QMFSynthesisConv: + stmfd sp!, {r4-r11, r14} + + ldr r9, [r13, #4*9] @ we saved 9 registers on stack + mov r5, r2, lsl #7 @ dOff0 = 128*dIdx + subs r6, r5, #1 @ dOff1 = dOff0 - 1 + addlt r6, r6, #1280 @ if (dOff1 < 0) then dOff1 += 1280 + mov r4, #64 + +SRC_Loop_Start: + ldr r10, [r0], #4 + ldr r12, [r0], #4 + ldr r11, [r1, r5, lsl #2] + ldr r14, [r1, r6, lsl #2] + smull r7, r8, r10, r11 + subs r5, r5, #256 + addlt r5, r5, #1280 + smlal r7, r8, r12, r14 + subs r6, r6, #256 + addlt r6, r6, #1280 + + ldr r10, [r0], #4 + ldr r12, [r0], #4 + ldr r11, [r1, r5, lsl #2] + ldr r14, [r1, r6, lsl #2] + smlal r7, r8, r10, r11 + subs r5, r5, #256 + addlt r5, r5, #1280 + smlal r7, r8, r12, r14 + subs r6, r6, #256 + addlt r6, r6, #1280 + + ldr r10, [r0], #4 + ldr r12, [r0], #4 + ldr r11, [r1, r5, lsl #2] + ldr r14, [r1, r6, lsl #2] + smlal r7, r8, r10, r11 + subs r5, r5, #256 + addlt r5, r5, #1280 + smlal r7, r8, r12, r14 + subs r6, r6, #256 + addlt r6, r6, #1280 + + ldr r10, [r0], #4 + ldr r12, [r0], #4 + ldr r11, [r1, r5, lsl #2] + ldr r14, [r1, r6, lsl #2] + smlal r7, r8, r10, r11 + subs r5, r5, #256 + addlt r5, r5, #1280 + smlal r7, r8, r12, r14 + subs r6, r6, #256 + addlt r6, r6, #1280 + + ldr r10, [r0], #4 + ldr r12, [r0], #4 + ldr r11, [r1, r5, lsl #2] + ldr r14, [r1, r6, lsl #2] + smlal r7, r8, r10, r11 + subs r5, r5, #256 + addlt r5, r5, #1280 + smlal r7, r8, r12, r14 + subs r6, r6, #256 + addlt r6, r6, #1280 + + add r5, r5, #1 + sub r6, r6, #1 + + add r8, r8, #0x04 + mov r8, r8, asr #3 @ FBITS_OUT_QMFS + mov r7, r8, asr #31 + cmp r7, r8, asr #15 + eorne r8, r7, #0x7f00 @ takes 2 instructions for immediate value of 0x7fffffff + eorne r8, r8, #0x00ff + strh r8, [r3, #0] + add r3, r3, r9, lsl #1 + + subs r4, r4, #1 + bne SRC_Loop_Start + + ldmfd sp!, {r4-r11, pc} + + .end + diff --git a/audio_codec/libraac/sbrside.c b/audio_codec/libraac/sbrside.c new file mode 100644 index 0000000..e2742f6 --- a/dev/null +++ b/audio_codec/libraac/sbrside.c @@ -0,0 +1,615 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrside.c,v 1.2 2005/05/24 16:01:55 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrside.c - functions for unpacking side info from SBR bitstream + **************************************************************************************/ + +#include "sbr.h" + +/************************************************************************************** + * Function: GetSampRateIdx + * + * Description: get index of given sample rate + * + * Inputs: sample rate (in Hz) + * + * Outputs: none + * + * Return: index of sample rate (table 1.15 in 14496-3:2001(E)) + * -1 if sample rate not found in table + **************************************************************************************/ +int GetSampRateIdx(int sampRate) +{ + int idx; + + for (idx = 0; idx < NUM_SAMPLE_RATES; idx++) { + if (sampRate == sampRateTab[idx]) { + return idx; + } + } + + return -1; +} + +/************************************************************************************** + * Function: UnpackSBRHeader + * + * Description: unpack SBR header (table 4.56) + * + * Inputs: BitStreamInfo struct pointing to start of SBR header + * + * Outputs: initialized SBRHeader struct for this SCE/CPE block + * + * Return: non-zero if frame reset is triggered, zero otherwise + **************************************************************************************/ +int UnpackSBRHeader(BitStreamInfo *bsi, SBRHeader *sbrHdr) +{ + SBRHeader sbrHdrPrev; + + /* save previous values so we know whether to reset decoder */ + sbrHdrPrev.startFreq = sbrHdr->startFreq; + sbrHdrPrev.stopFreq = sbrHdr->stopFreq; + sbrHdrPrev.freqScale = sbrHdr->freqScale; + sbrHdrPrev.alterScale = sbrHdr->alterScale; + sbrHdrPrev.crossOverBand = sbrHdr->crossOverBand; + sbrHdrPrev.noiseBands = sbrHdr->noiseBands; + + sbrHdr->ampRes = GetBits(bsi, 1); + sbrHdr->startFreq = GetBits(bsi, 4); + sbrHdr->stopFreq = GetBits(bsi, 4); + sbrHdr->crossOverBand = GetBits(bsi, 3); + sbrHdr->resBitsHdr = GetBits(bsi, 2); + sbrHdr->hdrExtra1 = GetBits(bsi, 1); + sbrHdr->hdrExtra2 = GetBits(bsi, 1); + + if (sbrHdr->hdrExtra1) { + sbrHdr->freqScale = GetBits(bsi, 2); + sbrHdr->alterScale = GetBits(bsi, 1); + sbrHdr->noiseBands = GetBits(bsi, 2); + } else { + /* defaults */ + sbrHdr->freqScale = 2; + sbrHdr->alterScale = 1; + sbrHdr->noiseBands = 2; + } + + if (sbrHdr->hdrExtra2) { + sbrHdr->limiterBands = GetBits(bsi, 2); + sbrHdr->limiterGains = GetBits(bsi, 2); + sbrHdr->interpFreq = GetBits(bsi, 1); + sbrHdr->smoothMode = GetBits(bsi, 1); + } else { + /* defaults */ + sbrHdr->limiterBands = 2; + sbrHdr->limiterGains = 2; + sbrHdr->interpFreq = 1; + sbrHdr->smoothMode = 1; + } + sbrHdr->count++; + + /* if any of these have changed from previous frame, reset the SBR module */ + if (sbrHdr->startFreq != sbrHdrPrev.startFreq || sbrHdr->stopFreq != sbrHdrPrev.stopFreq || + sbrHdr->freqScale != sbrHdrPrev.freqScale || sbrHdr->alterScale != sbrHdrPrev.alterScale || + sbrHdr->crossOverBand != sbrHdrPrev.crossOverBand || sbrHdr->noiseBands != sbrHdrPrev.noiseBands + ) { + return -1; + } else { + return 0; + } +} + +/* cLog2[i] = ceil(log2(i)) (disregard i == 0) */ +static const unsigned char cLog2[9] = {0, 0, 1, 2, 2, 3, 3, 3, 3}; + +/************************************************************************************** + * Function: UnpackSBRGrid + * + * Description: unpack SBR grid (table 4.62) + * + * Inputs: BitStreamInfo struct pointing to start of SBR grid + * initialized SBRHeader struct for this SCE/CPE block + * + * Outputs: initialized SBRGrid struct for this channel + * + * Return: none + **************************************************************************************/ +static void UnpackSBRGrid(BitStreamInfo *bsi, SBRHeader *sbrHdr, SBRGrid *sbrGrid) +{ + int numEnvRaw, env, rel, pBits, border, middleBorder = 0; + unsigned char relBordLead[MAX_NUM_ENV], relBordTrail[MAX_NUM_ENV]; + unsigned char relBorder0[3], relBorder1[3], relBorder[3]; + unsigned char numRelBorder0, numRelBorder1, numRelBorder, numRelLead = 0, numRelTrail; + unsigned char absBordLead = 0, absBordTrail = 0, absBorder; + + sbrGrid->ampResFrame = sbrHdr->ampRes; + sbrGrid->frameClass = GetBits(bsi, 2); + switch (sbrGrid->frameClass) { + + case SBR_GRID_FIXFIX: + numEnvRaw = GetBits(bsi, 2); + sbrGrid->numEnv = (1 << numEnvRaw); + if (sbrGrid->numEnv == 1) { + sbrGrid->ampResFrame = 0; + } + + ASSERT(sbrGrid->numEnv == 1 || sbrGrid->numEnv == 2 || sbrGrid->numEnv == 4); + + sbrGrid->freqRes[0] = GetBits(bsi, 1); + for (env = 1; env < sbrGrid->numEnv; env++) { + sbrGrid->freqRes[env] = sbrGrid->freqRes[0]; + } + + absBordLead = 0; + absBordTrail = NUM_TIME_SLOTS; + numRelLead = sbrGrid->numEnv - 1; + numRelTrail = 0; + + /* numEnv = 1, 2, or 4 */ + if (sbrGrid->numEnv == 1) { + border = NUM_TIME_SLOTS / 1; + } else if (sbrGrid->numEnv == 2) { + border = NUM_TIME_SLOTS / 2; + } else { + border = NUM_TIME_SLOTS / 4; + } + + for (rel = 0; rel < numRelLead; rel++) { + relBordLead[rel] = border; + } + + middleBorder = (sbrGrid->numEnv >> 1); + + break; + + case SBR_GRID_FIXVAR: + absBorder = GetBits(bsi, 2) + NUM_TIME_SLOTS; + numRelBorder = GetBits(bsi, 2); + sbrGrid->numEnv = numRelBorder + 1; + for (rel = 0; rel < numRelBorder; rel++) { + relBorder[rel] = 2 * GetBits(bsi, 2) + 2; + } + + pBits = cLog2[sbrGrid->numEnv + 1]; + sbrGrid->pointer = GetBits(bsi, pBits); + + for (env = sbrGrid->numEnv - 1; env >= 0; env--) { + sbrGrid->freqRes[env] = GetBits(bsi, 1); + } + + absBordLead = 0; + absBordTrail = absBorder; + numRelLead = 0; + numRelTrail = numRelBorder; + + for (rel = 0; rel < numRelTrail; rel++) { + relBordTrail[rel] = relBorder[rel]; + } + + if (sbrGrid->pointer > 1) { + middleBorder = sbrGrid->numEnv + 1 - sbrGrid->pointer; + } else { + middleBorder = sbrGrid->numEnv - 1; + } + + break; + + case SBR_GRID_VARFIX: + absBorder = GetBits(bsi, 2); + numRelBorder = GetBits(bsi, 2); + sbrGrid->numEnv = numRelBorder + 1; + for (rel = 0; rel < numRelBorder; rel++) { + relBorder[rel] = 2 * GetBits(bsi, 2) + 2; + } + + pBits = cLog2[sbrGrid->numEnv + 1]; + sbrGrid->pointer = GetBits(bsi, pBits); + + for (env = 0; env < sbrGrid->numEnv; env++) { + sbrGrid->freqRes[env] = GetBits(bsi, 1); + } + + absBordLead = absBorder; + absBordTrail = NUM_TIME_SLOTS; + numRelLead = numRelBorder; + numRelTrail = 0; + + for (rel = 0; rel < numRelLead; rel++) { + relBordLead[rel] = relBorder[rel]; + } + + if (sbrGrid->pointer == 0) { + middleBorder = 1; + } else if (sbrGrid->pointer == 1) { + middleBorder = sbrGrid->numEnv - 1; + } else { + middleBorder = sbrGrid->pointer - 1; + } + + break; + + case SBR_GRID_VARVAR: + absBordLead = GetBits(bsi, 2); /* absBorder0 */ + absBordTrail = GetBits(bsi, 2) + NUM_TIME_SLOTS; /* absBorder1 */ + numRelBorder0 = GetBits(bsi, 2); + numRelBorder1 = GetBits(bsi, 2); + + sbrGrid->numEnv = numRelBorder0 + numRelBorder1 + 1; + ASSERT(sbrGrid->numEnv <= 5); + + for (rel = 0; rel < numRelBorder0; rel++) { + relBorder0[rel] = 2 * GetBits(bsi, 2) + 2; + } + + for (rel = 0; rel < numRelBorder1; rel++) { + relBorder1[rel] = 2 * GetBits(bsi, 2) + 2; + } + + pBits = cLog2[numRelBorder0 + numRelBorder1 + 2]; + sbrGrid->pointer = GetBits(bsi, pBits); + + for (env = 0; env < sbrGrid->numEnv; env++) { + sbrGrid->freqRes[env] = GetBits(bsi, 1); + } + + numRelLead = numRelBorder0; + numRelTrail = numRelBorder1; + + for (rel = 0; rel < numRelLead; rel++) { + relBordLead[rel] = relBorder0[rel]; + } + + for (rel = 0; rel < numRelTrail; rel++) { + relBordTrail[rel] = relBorder1[rel]; + } + + if (sbrGrid->pointer > 1) { + middleBorder = sbrGrid->numEnv + 1 - sbrGrid->pointer; + } else { + middleBorder = sbrGrid->numEnv - 1; + } + + break; + } + + /* build time border vector */ + sbrGrid->envTimeBorder[0] = absBordLead * SAMPLES_PER_SLOT; + + rel = 0; + border = absBordLead; + for (env = 1; env <= numRelLead; env++) { + border += relBordLead[rel++]; + sbrGrid->envTimeBorder[env] = border * SAMPLES_PER_SLOT; + } + + rel = 0; + border = absBordTrail; + for (env = sbrGrid->numEnv - 1; env > numRelLead; env--) { + border -= relBordTrail[rel++]; + sbrGrid->envTimeBorder[env] = border * SAMPLES_PER_SLOT; + } + + sbrGrid->envTimeBorder[sbrGrid->numEnv] = absBordTrail * SAMPLES_PER_SLOT; + + if (sbrGrid->numEnv > 1) { + sbrGrid->numNoiseFloors = 2; + sbrGrid->noiseTimeBorder[0] = sbrGrid->envTimeBorder[0]; + sbrGrid->noiseTimeBorder[1] = sbrGrid->envTimeBorder[middleBorder]; + sbrGrid->noiseTimeBorder[2] = sbrGrid->envTimeBorder[sbrGrid->numEnv]; + } else { + sbrGrid->numNoiseFloors = 1; + sbrGrid->noiseTimeBorder[0] = sbrGrid->envTimeBorder[0]; + sbrGrid->noiseTimeBorder[1] = sbrGrid->envTimeBorder[1]; + } +} + +/************************************************************************************** + * Function: UnpackDeltaTimeFreq + * + * Description: unpack time/freq flags for delta coding of SBR envelopes (table 4.63) + * + * Inputs: BitStreamInfo struct pointing to start of dt/df flags + * number of envelopes + * number of noise floors + * + * Outputs: delta flags for envelope and noise floors + * + * Return: none + **************************************************************************************/ +static void UnpackDeltaTimeFreq(BitStreamInfo *bsi, int numEnv, unsigned char *deltaFlagEnv, + int numNoiseFloors, unsigned char *deltaFlagNoise) +{ + int env, noiseFloor; + + for (env = 0; env < numEnv; env++) { + deltaFlagEnv[env] = GetBits(bsi, 1); + } + + for (noiseFloor = 0; noiseFloor < numNoiseFloors; noiseFloor++) { + deltaFlagNoise[noiseFloor] = GetBits(bsi, 1); + } +} + +/************************************************************************************** + * Function: UnpackInverseFilterMode + * + * Description: unpack invf flags for chirp factor calculation (table 4.64) + * + * Inputs: BitStreamInfo struct pointing to start of invf flags + * number of noise floor bands + * + * Outputs: invf flags for noise floor bands + * + * Return: none + **************************************************************************************/ +static void UnpackInverseFilterMode(BitStreamInfo *bsi, int numNoiseFloorBands, unsigned char *mode) +{ + int n; + + for (n = 0; n < numNoiseFloorBands; n++) { + mode[n] = GetBits(bsi, 2); + } +} + +/************************************************************************************** + * Function: UnpackSinusoids + * + * Description: unpack sinusoid (harmonic) flags for each SBR subband (table 4.67) + * + * Inputs: BitStreamInfo struct pointing to start of sinusoid flags + * number of high resolution SBR subbands (nHigh) + * + * Outputs: sinusoid flags for each SBR subband, zero-filled above nHigh + * + * Return: none + **************************************************************************************/ +static void UnpackSinusoids(BitStreamInfo *bsi, int nHigh, int addHarmonicFlag, unsigned char *addHarmonic) +{ + int n; + + n = 0; + if (addHarmonicFlag) { + for (; n < nHigh; n++) { + addHarmonic[n] = GetBits(bsi, 1); + } + } + + /* zero out unused bands */ + for (; n < MAX_QMF_BANDS; n++) { + addHarmonic[n] = 0; + } +} + +/************************************************************************************** + * Function: CopyCouplingGrid + * + * Description: copy grid parameters from left to right for channel coupling + * + * Inputs: initialized SBRGrid struct for left channel + * + * Outputs: initialized SBRGrid struct for right channel + * + * Return: none + **************************************************************************************/ +static void CopyCouplingGrid(SBRGrid *sbrGridLeft, SBRGrid *sbrGridRight) +{ + int env, noiseFloor; + + sbrGridRight->frameClass = sbrGridLeft->frameClass; + sbrGridRight->ampResFrame = sbrGridLeft->ampResFrame; + sbrGridRight->pointer = sbrGridLeft->pointer; + + sbrGridRight->numEnv = sbrGridLeft->numEnv; + for (env = 0; env < sbrGridLeft->numEnv; env++) { + sbrGridRight->envTimeBorder[env] = sbrGridLeft->envTimeBorder[env]; + sbrGridRight->freqRes[env] = sbrGridLeft->freqRes[env]; + } + sbrGridRight->envTimeBorder[env] = sbrGridLeft->envTimeBorder[env]; /* borders are [0, numEnv] inclusive */ + + sbrGridRight->numNoiseFloors = sbrGridLeft->numNoiseFloors; + for (noiseFloor = 0; noiseFloor <= sbrGridLeft->numNoiseFloors; noiseFloor++) { + sbrGridRight->noiseTimeBorder[noiseFloor] = sbrGridLeft->noiseTimeBorder[noiseFloor]; + } + + /* numEnvPrev, numNoiseFloorsPrev, freqResPrev are updated in DecodeSBREnvelope() and DecodeSBRNoise() */ +} + +/************************************************************************************** + * Function: CopyCouplingInverseFilterMode + * + * Description: copy invf flags from left to right for channel coupling + * + * Inputs: invf flags for left channel + * number of noise floor bands + * + * Outputs: invf flags for right channel + * + * Return: none + **************************************************************************************/ +static void CopyCouplingInverseFilterMode(int numNoiseFloorBands, unsigned char *modeLeft, unsigned char *modeRight) +{ + int band; + + for (band = 0; band < numNoiseFloorBands; band++) { + modeRight[band] = modeLeft[band]; + } +} + +/************************************************************************************** + * Function: UnpackSBRSingleChannel + * + * Description: unpack sideband info (grid, delta flags, invf flags, envelope and + * noise floor configuration, sinusoids) for a single channel + * + * Inputs: BitStreamInfo struct pointing to start of sideband info + * initialized PSInfoSBR struct (after parsing SBR header and building + * frequency tables) + * base output channel (range = [0, nChans-1]) + * + * Outputs: updated PSInfoSBR struct (SBRGrid and SBRChan) + * + * Return: none + **************************************************************************************/ +void UnpackSBRSingleChannel(BitStreamInfo *bsi, PSInfoSBR *psi, int chBase) +{ + int bitsLeft; + SBRHeader *sbrHdr = &(psi->sbrHdr[chBase]); + SBRGrid *sbrGridL = &(psi->sbrGrid[chBase + 0]); + SBRFreq *sbrFreq = &(psi->sbrFreq[chBase]); + SBRChan *sbrChanL = &(psi->sbrChan[chBase + 0]); + + psi->dataExtra = GetBits(bsi, 1); + if (psi->dataExtra) { + psi->resBitsData = GetBits(bsi, 4); + } + + UnpackSBRGrid(bsi, sbrHdr, sbrGridL); + UnpackDeltaTimeFreq(bsi, sbrGridL->numEnv, sbrChanL->deltaFlagEnv, sbrGridL->numNoiseFloors, sbrChanL->deltaFlagNoise); + UnpackInverseFilterMode(bsi, sbrFreq->numNoiseFloorBands, sbrChanL->invfMode[1]); + + DecodeSBREnvelope(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + DecodeSBRNoise(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + + sbrChanL->addHarmonicFlag[1] = GetBits(bsi, 1); + UnpackSinusoids(bsi, sbrFreq->nHigh, sbrChanL->addHarmonicFlag[1], sbrChanL->addHarmonic[1]); + + psi->extendedDataPresent = GetBits(bsi, 1); + if (psi->extendedDataPresent) { + psi->extendedDataSize = GetBits(bsi, 4); + if (psi->extendedDataSize == 15) { + psi->extendedDataSize += GetBits(bsi, 8); + } + + bitsLeft = 8 * psi->extendedDataSize; + + /* get ID, unpack extension info, do whatever is necessary with it... */ + while (bitsLeft > 0) { + GetBits(bsi, 8); + bitsLeft -= 8; + } + } +} + +/************************************************************************************** + * Function: UnpackSBRChannelPair + * + * Description: unpack sideband info (grid, delta flags, invf flags, envelope and + * noise floor configuration, sinusoids) for a channel pair + * + * Inputs: BitStreamInfo struct pointing to start of sideband info + * initialized PSInfoSBR struct (after parsing SBR header and building + * frequency tables) + * base output channel (range = [0, nChans-1]) + * + * Outputs: updated PSInfoSBR struct (SBRGrid and SBRChan for both channels) + * + * Return: none + **************************************************************************************/ +void UnpackSBRChannelPair(BitStreamInfo *bsi, PSInfoSBR *psi, int chBase) +{ + int bitsLeft; + SBRHeader *sbrHdr = &(psi->sbrHdr[chBase]); + SBRGrid *sbrGridL = &(psi->sbrGrid[chBase + 0]), *sbrGridR = &(psi->sbrGrid[chBase + 1]); + SBRFreq *sbrFreq = &(psi->sbrFreq[chBase]); + SBRChan *sbrChanL = &(psi->sbrChan[chBase + 0]), *sbrChanR = &(psi->sbrChan[chBase + 1]); + + psi->dataExtra = GetBits(bsi, 1); + if (psi->dataExtra) { + psi->resBitsData = GetBits(bsi, 4); + psi->resBitsData = GetBits(bsi, 4); + } + + psi->couplingFlag = GetBits(bsi, 1); + if (psi->couplingFlag) { + UnpackSBRGrid(bsi, sbrHdr, sbrGridL); + CopyCouplingGrid(sbrGridL, sbrGridR); + + UnpackDeltaTimeFreq(bsi, sbrGridL->numEnv, sbrChanL->deltaFlagEnv, sbrGridL->numNoiseFloors, sbrChanL->deltaFlagNoise); + UnpackDeltaTimeFreq(bsi, sbrGridR->numEnv, sbrChanR->deltaFlagEnv, sbrGridR->numNoiseFloors, sbrChanR->deltaFlagNoise); + + UnpackInverseFilterMode(bsi, sbrFreq->numNoiseFloorBands, sbrChanL->invfMode[1]); + CopyCouplingInverseFilterMode(sbrFreq->numNoiseFloorBands, sbrChanL->invfMode[1], sbrChanR->invfMode[1]); + + DecodeSBREnvelope(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + DecodeSBRNoise(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + DecodeSBREnvelope(bsi, psi, sbrGridR, sbrFreq, sbrChanR, 1); + DecodeSBRNoise(bsi, psi, sbrGridR, sbrFreq, sbrChanR, 1); + + /* pass RIGHT sbrChan struct */ + UncoupleSBREnvelope(psi, sbrGridL, sbrFreq, sbrChanR); + UncoupleSBRNoise(psi, sbrGridL, sbrFreq, sbrChanR); + + } else { + UnpackSBRGrid(bsi, sbrHdr, sbrGridL); + UnpackSBRGrid(bsi, sbrHdr, sbrGridR); + UnpackDeltaTimeFreq(bsi, sbrGridL->numEnv, sbrChanL->deltaFlagEnv, sbrGridL->numNoiseFloors, sbrChanL->deltaFlagNoise); + UnpackDeltaTimeFreq(bsi, sbrGridR->numEnv, sbrChanR->deltaFlagEnv, sbrGridR->numNoiseFloors, sbrChanR->deltaFlagNoise); + UnpackInverseFilterMode(bsi, sbrFreq->numNoiseFloorBands, sbrChanL->invfMode[1]); + UnpackInverseFilterMode(bsi, sbrFreq->numNoiseFloorBands, sbrChanR->invfMode[1]); + + DecodeSBREnvelope(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + DecodeSBREnvelope(bsi, psi, sbrGridR, sbrFreq, sbrChanR, 1); + DecodeSBRNoise(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + DecodeSBRNoise(bsi, psi, sbrGridR, sbrFreq, sbrChanR, 1); + } + + sbrChanL->addHarmonicFlag[1] = GetBits(bsi, 1); + UnpackSinusoids(bsi, sbrFreq->nHigh, sbrChanL->addHarmonicFlag[1], sbrChanL->addHarmonic[1]); + + sbrChanR->addHarmonicFlag[1] = GetBits(bsi, 1); + UnpackSinusoids(bsi, sbrFreq->nHigh, sbrChanR->addHarmonicFlag[1], sbrChanR->addHarmonic[1]); + + psi->extendedDataPresent = GetBits(bsi, 1); + if (psi->extendedDataPresent) { + psi->extendedDataSize = GetBits(bsi, 4); + if (psi->extendedDataSize == 15) { + psi->extendedDataSize += GetBits(bsi, 8); + } + + bitsLeft = 8 * psi->extendedDataSize; + + /* get ID, unpack extension info, do whatever is necessary with it... */ + while (bitsLeft > 0) { + GetBits(bsi, 8); + bitsLeft -= 8; + } + } +} diff --git a/audio_codec/libraac/sbrtabs.c b/audio_codec/libraac/sbrtabs.c new file mode 100644 index 0000000..d7ba798 --- a/dev/null +++ b/audio_codec/libraac/sbrtabs.c @@ -0,0 +1,400 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrtabs.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrtabs.c - platform-independent tables for SBR (global, read-only) + **************************************************************************************/ + +#include "sbr.h" + +/* k0Tab[sampRateIdx][k] = k0 = startMin + offset(bs_start_freq) for given sample rate (4.6.18.3.2.1) + * downsampled (single-rate) SBR not currently supported + */ +const unsigned char k0Tab[NUM_SAMPLE_RATES_SBR][16] = { + { 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 23, 27, 31 }, /* 96 kHz */ + { 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 23, 27, 31 }, /* 88 kHz */ + { 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 23, 26, 30 }, /* 64 kHz */ + { 7, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 22, 24, 27, 31 }, /* 48 kHz */ + { 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 23, 25, 28, 32 }, /* 44 kHz */ + { 10, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 27, 29, 32 }, /* 32 kHz */ + { 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 27, 29, 32 }, /* 24 kHz */ + { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 26, 28, 30 }, /* 22 kHz */ + { 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 }, /* 16 kHz */ +}; + +/* k2Tab[sampRateIdx][k] = stopVector(bs_stop_freq) for given sample rate, bs_stop_freq = [0, 13] (4.6.18.3.2.1) + * generated with Matlab script calc_stopvec.m + * downsampled (single-rate) SBR not currently supported + */ +const unsigned char k2Tab[NUM_SAMPLE_RATES_SBR][14] = { + { 13, 15, 17, 19, 21, 24, 27, 31, 35, 39, 44, 50, 57, 64 }, /* 96 kHz */ + { 15, 17, 19, 21, 23, 26, 29, 33, 37, 41, 46, 51, 57, 64 }, /* 88 kHz */ + { 20, 22, 24, 26, 28, 31, 34, 37, 41, 45, 49, 54, 59, 64 }, /* 64 kHz */ + { 21, 23, 25, 27, 29, 32, 35, 38, 41, 45, 49, 54, 59, 64 }, /* 48 kHz */ + { 23, 25, 27, 29, 31, 34, 37, 40, 43, 47, 51, 55, 59, 64 }, /* 44 kHz */ + { 32, 34, 36, 38, 40, 42, 44, 46, 49, 52, 55, 58, 61, 64 }, /* 32 kHz */ + { 32, 34, 36, 38, 40, 42, 44, 46, 49, 52, 55, 58, 61, 64 }, /* 24 kHz */ + { 35, 36, 38, 40, 42, 44, 46, 48, 50, 52, 55, 58, 61, 64 }, /* 22 kHz */ + { 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 60, 62, 64 }, /* 16 kHz */ +}; + +/* NINT(2.048E6 / Fs) (figure 4.47) + * downsampled (single-rate) SBR not currently supported + */ +const unsigned char goalSBTab[NUM_SAMPLE_RATES_SBR] = { + 21, 23, 32, 43, 46, 64, 85, 93, 128 +}; + +const HuffInfo huffTabSBRInfo[10] = { + {19, { 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, 2, 7, 4, 8, 72, 0}, 0}, + {20, { 0, 2, 2, 2, 2, 2, 1, 3, 3, 2, 4, 4, 4, 3, 2, 5, 6, 13, 15, 46}, 121}, + {17, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 2, 0, 0, 1, 25, 10, 0, 0, 0}, 242}, + {19, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 3, 1, 0, 1, 1, 2, 1, 29, 2, 0}, 291}, + {19, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 1, 2, 5, 1, 4, 2, 3, 34, 0}, 340}, + {20, { 1, 1, 1, 1, 1, 1, 0, 2, 2, 2, 2, 2, 1, 2, 3, 4, 4, 7, 10, 16}, 403}, + {14, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 13, 2, 0, 0, 0, 0, 0, 0}, 466}, + {14, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 6, 8, 0, 0, 0, 0, 0, 0}, 491}, + {14, { 1, 1, 1, 1, 1, 1, 0, 2, 0, 1, 1, 0, 51, 2, 0, 0, 0, 0, 0, 0}, 516}, + { 8, { 1, 1, 1, 0, 1, 1, 0, 20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 579}, +}; + +/* Huffman tables from appendix 4.A.6.1, includes offset of -LAV[i] for table i */ +const signed short huffTabSBR[604] = { + /* SBR table sbr_tenv15 [121] (signed) */ + 0, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, -6, 6, -7, 7, -8, + -9, 8, -10, 9, -11, 10, -12, -13, 11, -14, 12, -15, -16, 13, -19, -18, + -17, 14, -24, -20, 16, -26, -21, 15, -23, -25, -22, -60, -59, -58, -57, -56, + -55, -54, -53, -52, -51, -50, -49, -48, -47, -46, -45, -44, -43, -42, -41, -40, + -39, -38, -37, -36, -35, -34, -33, -32, -31, -30, -29, -28, -27, 17, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, + 52, 53, 54, 55, 56, 57, 58, 59, 60, + /* SBR table sbr_fenv15 [121] (signed) */ + 0, -1, 1, -2, -3, 2, -4, 3, -5, 4, -6, 5, -7, 6, -8, 7, + -9, 8, -10, 9, -11, 10, 11, -12, 12, -13, 13, 14, -14, -15, 15, 16, + 17, -16, -17, -18, -19, 18, 19, -20, -21, 20, 21, -24, -23, -22, -26, -28, + 22, 23, 25, -41, -25, 26, 27, -30, -27, 24, 28, 44, -51, -46, -44, -43, + -37, -33, -31, -29, 30, 37, 42, 47, 48, -60, -59, -58, -57, -56, -55, -54, + -53, -52, -50, -49, -48, -47, -45, -42, -40, -39, -38, -36, -35, -34, -32, 29, + 31, 32, 33, 34, 35, 36, 38, 39, 40, 41, 43, 45, 46, 49, 50, 51, + 52, 53, 54, 55, 56, 57, 58, 59, 60, + /* SBR table sbr_tenv15b [49] (signed) */ + 0, 1, -1, 2, -2, 3, -3, 4, -4, -5, 5, -6, 6, 7, -7, 8, + -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -12, -11, -10, -9, + -8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, + 24, + /* SBR table sbr_fenv15b [49] (signed) */ + 0, -1, 1, -2, 2, 3, -3, -4, 4, -5, 5, -6, 6, -7, 7, 8, + -9, -8, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -12, -11, + -10, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, + 24, + /* SBR table sbr_tenv30 [63] (signed) */ + 0, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, -6, -7, 6, -8, 7, + -9, -10, 8, 9, 10, -13, -11, -12, -14, 11, 12, -31, -30, -29, -28, -27, + -26, -25, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + /* SBR table sbr_fenv30 [63] (signed) */ + 0, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, -6, 6, -7, 7, -8, + 8, 9, -9, -10, 10, 11, -11, -12, 12, 13, -13, -15, 14, 15, -14, 18, + -18, -24, -19, 16, 17, -22, -21, -16, 20, 21, 22, 25, -23, -20, 24, -31, + -30, -29, -28, -27, -26, -25, -17, 19, 23, 26, 27, 28, 29, 30, 31, + /* SBR table sbr_tenv30b [25] (signed) */ + 0, 1, -1, -2, 2, 3, -3, -4, 4, -5, -12, -11, -10, -9, -8, -7, + -6, 5, 6, 7, 8, 9, 10, 11, 12, + /* SBR table sbr_fenv30b [25] (signed) */ + 0, -1, 1, -2, 2, 3, -3, -4, 4, -5, 5, 6, -12, -11, -10, -9, + -8, -7, -6, 7, 8, 9, 10, 11, 12, + /* SBR table sbr_tnoise30 [63] (signed) */ + 0, 1, -1, -2, 2, -3, 3, -4, 4, -5, 5, 11, -31, -30, -29, -28, + -27, -26, -25, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -12, + -11, -10, -9, -8, -7, -6, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + /* SBR table sbr_tnoise30b [25] (signed) */ + 0, -1, 1, -2, 2, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, 3, + 4, 5, 6, 7, 8, 9, 10, 11, 12, +}; + +/* log2Tab[x] = floor(log2(x)), format = Q28 */ +const int log2Tab[65] = { + 0x00000000, 0x00000000, 0x10000000, 0x195c01a3, 0x20000000, 0x25269e12, 0x295c01a3, 0x2ceaecfe, + 0x30000000, 0x32b80347, 0x35269e12, 0x3759d4f8, 0x395c01a3, 0x3b350047, 0x3ceaecfe, 0x3e829fb6, + 0x40000000, 0x41663f6f, 0x42b80347, 0x43f782d7, 0x45269e12, 0x4646eea2, 0x4759d4f8, 0x48608280, + 0x495c01a3, 0x4a4d3c25, 0x4b350047, 0x4c1404ea, 0x4ceaecfe, 0x4dba4a47, 0x4e829fb6, 0x4f446359, + 0x50000000, 0x50b5d69b, 0x51663f6f, 0x52118b11, 0x52b80347, 0x5359ebc5, 0x53f782d7, 0x549101ea, + 0x55269e12, 0x55b88873, 0x5646eea2, 0x56d1fafd, 0x5759d4f8, 0x57dea15a, 0x58608280, 0x58df988f, + 0x595c01a3, 0x59d5d9fd, 0x5a4d3c25, 0x5ac24113, 0x5b350047, 0x5ba58feb, 0x5c1404ea, 0x5c80730b, + 0x5ceaecfe, 0x5d53847a, 0x5dba4a47, 0x5e1f4e51, 0x5e829fb6, 0x5ee44cd5, 0x5f446359, 0x5fa2f045, + 0x60000000 +}; + +/* coefficient table 4.A.87, format = Q31 + * reordered as: + * cTab[0], cTab[64], cTab[128], cTab[192], cTab[256], + * cTab[2], cTab[66], cTab[130], cTab[194], cTab[258], + * ... + * cTab[64], cTab[128], cTab[192], cTab[256], cTab[320] + * + * NOTE: cTab[1, 2, ... , 318, 319] = cTab[639, 638, ... 322, 321] + * except cTab[384] = -cTab[256], cTab[512] = -cTab[128] + */ +const int cTabA[165] = { + 0x00000000, 0x0055dba1, 0x01b2e41d, 0x09015651, 0x2e3a7532, 0xffed978a, 0x006090c4, 0x01fd3ba0, 0x08a24899, 0x311af3a4, + 0xfff0065d, 0x006b47fa, 0x024bf7a1, 0x082f552e, 0x33ff670e, 0xffef7b8b, 0x0075fded, 0x029e35b4, 0x07a8127d, 0x36e69691, + 0xffee1650, 0x00807994, 0x02f3e48d, 0x070bbf58, 0x39ce0477, 0xffecc31b, 0x008a7dd7, 0x034d01f0, 0x06593912, 0x3cb41219, + 0xffeb50b2, 0x009424c6, 0x03a966bb, 0x0590a67d, 0x3f962fb8, 0xffe9ca76, 0x009d10bf, 0x04083fec, 0x04b0adcb, 0x4272a385, + 0xffe88ba8, 0x00a520bb, 0x04694101, 0x03b8f8dc, 0x4547daea, 0xffe79e16, 0x00abe79e, 0x04cc2fcf, 0x02a99097, 0x4812f848, + 0xffe6d466, 0x00b1978d, 0x05303f87, 0x01816e06, 0x4ad237a2, 0xffe65416, 0x00b5c867, 0x05950122, 0x0040c496, 0x4d83976c, + 0xffe66dd0, 0x00b8394b, 0x05f9c051, 0xfee723c6, 0x5024d70e, 0xffe69423, 0x00b8c6b0, 0x065dd56a, 0xfd7475d8, 0x52b449de, + 0xffe75361, 0x00b73ab0, 0x06c0f0c0, 0xfbe8f5bd, 0x552f8ff7, 0xffe85b4b, 0x00b36acd, 0x0721bf22, 0xfa44a069, 0x579505f5, + 0xffea353a, 0x00acbd2f, 0x077fedb3, 0xf887507c, 0x59e2f69e, 0xffec8409, 0x00a3508f, 0x07da2b7f, 0xf6b1f3c3, 0x5c16d0ae, + 0xffef2395, 0x0096dcc2, 0x08303897, 0xf4c473c6, 0x5e2f6367, 0xfff294c3, 0x00872c63, 0x0880ffdd, 0xf2bf6ea4, 0x602b0c7f, + 0xfff681d6, 0x007400b8, 0x08cb4e23, 0xf0a3959f, 0x6207f220, 0xfffb42b0, 0x005d36df, 0x090ec1fc, 0xee71b2fe, 0x63c45243, + 0x00007134, 0x00426f36, 0x0949eaac, 0xec2a3f5f, 0x655f63f2, 0x0006b1cf, 0x0023b989, 0x097c1ee8, 0xe9cea84a, 0x66d76725, + 0x000d31b5, 0x0000e790, 0x09a3e163, 0xe75f8bb8, 0x682b39a4, 0x001471f8, 0xffda17f2, 0x09c0e59f, 0xe4de0cb0, 0x6959709d, + 0x001c3549, 0xffaea5d6, 0x09d19ca9, 0xe24b8f66, 0x6a619c5e, 0x0024dd50, 0xff7ee3f1, 0x09d5560b, 0xdfa93ab5, 0x6b42a864, + 0x002d8e42, 0xff4aabc8, 0x09caeb0f, 0xdcf898fb, 0x6bfbdd98, 0x003745f9, 0xff120d70, 0x09b18a1d, 0xda3b176a, 0x6c8c4c7a, + 0x004103f4, 0xfed4bec3, 0x09881dc5, 0xd7722f04, 0x6cf4073e, 0x004b6c46, 0xfe933dc0, 0x094d7ec2, 0xd49fd55f, 0x6d32730f, + 0x0055dba1, 0x01b2e41d, 0x09015651, 0x2e3a7532, 0x6d474e1d, +}; + +/* coefficient table 4.A.87, format = Q31 + * reordered as cTab[0], cTab[64], cTab[128], ... cTab[576], cTab[1], cTab[65], cTab[129], ... cTab[639] + * keeping full table (not using symmetry) to allow sequential access in synth filter inner loop + * format = Q31 + */ +const int cTabS[640] = { + 0x00000000, 0x0055dba1, 0x01b2e41d, 0x09015651, 0x2e3a7532, 0x6d474e1d, 0xd1c58ace, 0x09015651, 0xfe4d1be3, 0x0055dba1, + 0xffede50e, 0x005b5371, 0x01d78bfc, 0x08d3e41b, 0x2faa221c, 0x6d41d963, 0xd3337b3d, 0x09299ead, 0xfe70b8d1, 0x0050b177, + 0xffed978a, 0x006090c4, 0x01fd3ba0, 0x08a24899, 0x311af3a4, 0x6d32730f, 0xd49fd55f, 0x094d7ec2, 0xfe933dc0, 0x004b6c46, + 0xffefc9b9, 0x0065fde5, 0x02244a24, 0x086b1eeb, 0x328cc6f0, 0x6d18520e, 0xd60a46e5, 0x096d0e21, 0xfeb48d0d, 0x00465348, + 0xfff0065d, 0x006b47fa, 0x024bf7a1, 0x082f552e, 0x33ff670e, 0x6cf4073e, 0xd7722f04, 0x09881dc5, 0xfed4bec3, 0x004103f4, + 0xffeff6ca, 0x0070c8a5, 0x0274ba43, 0x07ee507c, 0x3572ec70, 0x6cc59bab, 0xd8d7f21f, 0x099ec3dc, 0xfef3f6ab, 0x003c1fa4, + 0xffef7b8b, 0x0075fded, 0x029e35b4, 0x07a8127d, 0x36e69691, 0x6c8c4c7a, 0xda3b176a, 0x09b18a1d, 0xff120d70, 0x003745f9, + 0xffeedfa4, 0x007b3875, 0x02c89901, 0x075ca90c, 0x385a49c4, 0x6c492217, 0xdb9b5b12, 0x09c018ce, 0xff2ef725, 0x00329ab6, + 0xffee1650, 0x00807994, 0x02f3e48d, 0x070bbf58, 0x39ce0477, 0x6bfbdd98, 0xdcf898fb, 0x09caeb0f, 0xff4aabc8, 0x002d8e42, + 0xffed651d, 0x0085c217, 0x03201116, 0x06b559c3, 0x3b415115, 0x6ba4629f, 0xde529086, 0x09d1fa23, 0xff6542d1, 0x00293718, + 0xffecc31b, 0x008a7dd7, 0x034d01f0, 0x06593912, 0x3cb41219, 0x6b42a864, 0xdfa93ab5, 0x09d5560b, 0xff7ee3f1, 0x0024dd50, + 0xffebe77b, 0x008f4bfc, 0x037ad438, 0x05f7fb90, 0x3e25b17e, 0x6ad73e8d, 0xe0fc421e, 0x09d52709, 0xff975c01, 0x002064f8, + 0xffeb50b2, 0x009424c6, 0x03a966bb, 0x0590a67d, 0x3f962fb8, 0x6a619c5e, 0xe24b8f66, 0x09d19ca9, 0xffaea5d6, 0x001c3549, + 0xffea9192, 0x0098b855, 0x03d8afe6, 0x05237f9d, 0x41058bc6, 0x69e29784, 0xe396a45d, 0x09cab9f2, 0xffc4e365, 0x0018703f, + 0xffe9ca76, 0x009d10bf, 0x04083fec, 0x04b0adcb, 0x4272a385, 0x6959709d, 0xe4de0cb0, 0x09c0e59f, 0xffda17f2, 0x001471f8, + 0xffe940f4, 0x00a1039c, 0x043889c6, 0x0437fb0a, 0x43de620a, 0x68c7269b, 0xe620c476, 0x09b3d77f, 0xffee183b, 0x0010bc63, + 0xffe88ba8, 0x00a520bb, 0x04694101, 0x03b8f8dc, 0x4547daea, 0x682b39a4, 0xe75f8bb8, 0x09a3e163, 0x0000e790, 0x000d31b5, + 0xffe83a07, 0x00a8739d, 0x049aa82f, 0x03343533, 0x46aea856, 0x6785c24d, 0xe89971b7, 0x099140a7, 0x00131c75, 0x0009aa3f, + 0xffe79e16, 0x00abe79e, 0x04cc2fcf, 0x02a99097, 0x4812f848, 0x66d76725, 0xe9cea84a, 0x097c1ee8, 0x0023b989, 0x0006b1cf, + 0xffe7746e, 0x00af374c, 0x04fe20be, 0x02186a91, 0x4973fef1, 0x661fd6b8, 0xeafee7f1, 0x0963ed46, 0x0033b927, 0x00039609, + 0xffe6d466, 0x00b1978d, 0x05303f87, 0x01816e06, 0x4ad237a2, 0x655f63f2, 0xec2a3f5f, 0x0949eaac, 0x00426f36, 0x00007134, + 0xffe6afee, 0x00b3d15c, 0x05626209, 0x00e42fa2, 0x4c2ca3df, 0x64964063, 0xed50a31d, 0x092d7970, 0x00504f41, 0xfffdfa25, + 0xffe65416, 0x00b5c867, 0x05950122, 0x0040c496, 0x4d83976c, 0x63c45243, 0xee71b2fe, 0x090ec1fc, 0x005d36df, 0xfffb42b0, + 0xffe681c6, 0x00b74c37, 0x05c76fed, 0xff96db90, 0x4ed62be3, 0x62ea6474, 0xef8d4d7b, 0x08edfeaa, 0x006928a0, 0xfff91fca, + 0xffe66dd0, 0x00b8394b, 0x05f9c051, 0xfee723c6, 0x5024d70e, 0x6207f220, 0xf0a3959f, 0x08cb4e23, 0x007400b8, 0xfff681d6, + 0xffe66fac, 0x00b8fe0d, 0x062bf5ec, 0xfe310657, 0x516eefb9, 0x611d58a3, 0xf1b461ab, 0x08a75da4, 0x007e0393, 0xfff48700, + 0xffe69423, 0x00b8c6b0, 0x065dd56a, 0xfd7475d8, 0x52b449de, 0x602b0c7f, 0xf2bf6ea4, 0x0880ffdd, 0x00872c63, 0xfff294c3, + 0xffe6fed4, 0x00b85f70, 0x068f8b44, 0xfcb1d740, 0x53f495aa, 0x5f30ff5f, 0xf3c4e887, 0x08594887, 0x008f87aa, 0xfff0e7ef, + 0xffe75361, 0x00b73ab0, 0x06c0f0c0, 0xfbe8f5bd, 0x552f8ff7, 0x5e2f6367, 0xf4c473c6, 0x08303897, 0x0096dcc2, 0xffef2395, + 0xffe80414, 0x00b58c8c, 0x06f1825d, 0xfb19b7bd, 0x56654bdd, 0x5d26be9b, 0xf5be0fa9, 0x08061671, 0x009da526, 0xffedc418, + 0xffe85b4b, 0x00b36acd, 0x0721bf22, 0xfa44a069, 0x579505f5, 0x5c16d0ae, 0xf6b1f3c3, 0x07da2b7f, 0x00a3508f, 0xffec8409, + 0xffe954d0, 0x00b06b68, 0x075112a2, 0xf96916f5, 0x58befacd, 0x5b001db8, 0xf79fa13a, 0x07ad8c26, 0x00a85e94, 0xffeb3849, + 0xffea353a, 0x00acbd2f, 0x077fedb3, 0xf887507c, 0x59e2f69e, 0x59e2f69e, 0xf887507c, 0x077fedb3, 0x00acbd2f, 0xffea353a, + 0xffeb3849, 0x00a85e94, 0x07ad8c26, 0xf79fa13a, 0x5b001db8, 0x58befacd, 0xf96916f5, 0x075112a2, 0x00b06b68, 0xffe954d0, + 0xffec8409, 0x00a3508f, 0x07da2b7f, 0xf6b1f3c3, 0x5c16d0ae, 0x579505f5, 0xfa44a069, 0x0721bf22, 0x00b36acd, 0xffe85b4b, + 0xffedc418, 0x009da526, 0x08061671, 0xf5be0fa9, 0x5d26be9b, 0x56654bdd, 0xfb19b7bd, 0x06f1825d, 0x00b58c8c, 0xffe80414, + 0xffef2395, 0x0096dcc2, 0x08303897, 0xf4c473c6, 0x5e2f6367, 0x552f8ff7, 0xfbe8f5bd, 0x06c0f0c0, 0x00b73ab0, 0xffe75361, + 0xfff0e7ef, 0x008f87aa, 0x08594887, 0xf3c4e887, 0x5f30ff5f, 0x53f495aa, 0xfcb1d740, 0x068f8b44, 0x00b85f70, 0xffe6fed4, + 0xfff294c3, 0x00872c63, 0x0880ffdd, 0xf2bf6ea4, 0x602b0c7f, 0x52b449de, 0xfd7475d8, 0x065dd56a, 0x00b8c6b0, 0xffe69423, + 0xfff48700, 0x007e0393, 0x08a75da4, 0xf1b461ab, 0x611d58a3, 0x516eefb9, 0xfe310657, 0x062bf5ec, 0x00b8fe0d, 0xffe66fac, + 0xfff681d6, 0x007400b8, 0x08cb4e23, 0xf0a3959f, 0x6207f220, 0x5024d70e, 0xfee723c6, 0x05f9c051, 0x00b8394b, 0xffe66dd0, + 0xfff91fca, 0x006928a0, 0x08edfeaa, 0xef8d4d7b, 0x62ea6474, 0x4ed62be3, 0xff96db90, 0x05c76fed, 0x00b74c37, 0xffe681c6, + 0xfffb42b0, 0x005d36df, 0x090ec1fc, 0xee71b2fe, 0x63c45243, 0x4d83976c, 0x0040c496, 0x05950122, 0x00b5c867, 0xffe65416, + 0xfffdfa25, 0x00504f41, 0x092d7970, 0xed50a31d, 0x64964063, 0x4c2ca3df, 0x00e42fa2, 0x05626209, 0x00b3d15c, 0xffe6afee, + 0x00007134, 0x00426f36, 0x0949eaac, 0xec2a3f5f, 0x655f63f2, 0x4ad237a2, 0x01816e06, 0x05303f87, 0x00b1978d, 0xffe6d466, + 0x00039609, 0x0033b927, 0x0963ed46, 0xeafee7f1, 0x661fd6b8, 0x4973fef1, 0x02186a91, 0x04fe20be, 0x00af374c, 0xffe7746e, + 0x0006b1cf, 0x0023b989, 0x097c1ee8, 0xe9cea84a, 0x66d76725, 0x4812f848, 0x02a99097, 0x04cc2fcf, 0x00abe79e, 0xffe79e16, + 0x0009aa3f, 0x00131c75, 0x099140a7, 0xe89971b7, 0x6785c24d, 0x46aea856, 0x03343533, 0x049aa82f, 0x00a8739d, 0xffe83a07, + 0x000d31b5, 0x0000e790, 0x09a3e163, 0xe75f8bb8, 0x682b39a4, 0x4547daea, 0x03b8f8dc, 0x04694101, 0x00a520bb, 0xffe88ba8, + 0x0010bc63, 0xffee183b, 0x09b3d77f, 0xe620c476, 0x68c7269b, 0x43de620a, 0x0437fb0a, 0x043889c6, 0x00a1039c, 0xffe940f4, + 0x001471f8, 0xffda17f2, 0x09c0e59f, 0xe4de0cb0, 0x6959709d, 0x4272a385, 0x04b0adcb, 0x04083fec, 0x009d10bf, 0xffe9ca76, + 0x0018703f, 0xffc4e365, 0x09cab9f2, 0xe396a45d, 0x69e29784, 0x41058bc6, 0x05237f9d, 0x03d8afe6, 0x0098b855, 0xffea9192, + 0x001c3549, 0xffaea5d6, 0x09d19ca9, 0xe24b8f66, 0x6a619c5e, 0x3f962fb8, 0x0590a67d, 0x03a966bb, 0x009424c6, 0xffeb50b2, + 0x002064f8, 0xff975c01, 0x09d52709, 0xe0fc421e, 0x6ad73e8d, 0x3e25b17e, 0x05f7fb90, 0x037ad438, 0x008f4bfc, 0xffebe77b, + 0x0024dd50, 0xff7ee3f1, 0x09d5560b, 0xdfa93ab5, 0x6b42a864, 0x3cb41219, 0x06593912, 0x034d01f0, 0x008a7dd7, 0xffecc31b, + 0x00293718, 0xff6542d1, 0x09d1fa23, 0xde529086, 0x6ba4629f, 0x3b415115, 0x06b559c3, 0x03201116, 0x0085c217, 0xffed651d, + 0x002d8e42, 0xff4aabc8, 0x09caeb0f, 0xdcf898fb, 0x6bfbdd98, 0x39ce0477, 0x070bbf58, 0x02f3e48d, 0x00807994, 0xffee1650, + 0x00329ab6, 0xff2ef725, 0x09c018ce, 0xdb9b5b12, 0x6c492217, 0x385a49c4, 0x075ca90c, 0x02c89901, 0x007b3875, 0xffeedfa4, + 0x003745f9, 0xff120d70, 0x09b18a1d, 0xda3b176a, 0x6c8c4c7a, 0x36e69691, 0x07a8127d, 0x029e35b4, 0x0075fded, 0xffef7b8b, + 0x003c1fa4, 0xfef3f6ab, 0x099ec3dc, 0xd8d7f21f, 0x6cc59bab, 0x3572ec70, 0x07ee507c, 0x0274ba43, 0x0070c8a5, 0xffeff6ca, + 0x004103f4, 0xfed4bec3, 0x09881dc5, 0xd7722f04, 0x6cf4073e, 0x33ff670e, 0x082f552e, 0x024bf7a1, 0x006b47fa, 0xfff0065d, + 0x00465348, 0xfeb48d0d, 0x096d0e21, 0xd60a46e5, 0x6d18520e, 0x328cc6f0, 0x086b1eeb, 0x02244a24, 0x0065fde5, 0xffefc9b9, + 0x004b6c46, 0xfe933dc0, 0x094d7ec2, 0xd49fd55f, 0x6d32730f, 0x311af3a4, 0x08a24899, 0x01fd3ba0, 0x006090c4, 0xffed978a, + 0x0050b177, 0xfe70b8d1, 0x09299ead, 0xd3337b3d, 0x6d41d963, 0x2faa221c, 0x08d3e41b, 0x01d78bfc, 0x005b5371, 0xffede50f, +}; + +/* noise table 4.A.88, format = Q31 */ +const int noiseTab[512 * 2] = { + 0x8010fd38, 0xb3dc7948, 0x7c4e2301, 0xa9904192, 0x121622a7, 0x86489625, 0xc3d53d25, 0xd0343fa9, + 0x674d6f70, 0x25f4e9fd, 0xce1a8c8b, 0x72a726c5, 0xfea6efc6, 0xaa4adb1a, 0x8b2dd628, 0xf14029e4, + 0x46321c1a, 0x604889a0, 0x33363b63, 0x815ed069, 0x802b4315, 0x8f2bf7f3, 0x85b86073, 0x745cfb46, + 0xc57886b3, 0xb76731f0, 0xa2a66772, 0x828ca631, 0x60cc145e, 0x1ad1010f, 0x090c83d4, 0x9bd7ba87, + 0x5f5aeea2, 0x8b4dbd99, 0x848e7b1e, 0x86bb9fa2, 0x26f18ae5, 0xc0b81194, 0x553407bf, 0x52c17953, + 0x755f468d, 0x166b04f8, 0xa5687981, 0x4343248b, 0xa6558d5e, 0xc5f6fab7, 0x80a4fb8c, 0x8cb53cb7, + 0x7da68a54, 0x9cd8df8a, 0xba05376c, 0xfcb58ee2, 0xfdd657a4, 0x005e35ca, 0x91c75c55, 0x367651e6, + 0x816abf85, 0x8f831c4f, 0x423f9c9c, 0x55aa919e, 0x80779834, 0xb59f4244, 0x800a095c, 0x7de9e0cc, + 0x46bda5cb, 0x4c184464, 0x2c438f71, 0x797216b5, 0x5035cee6, 0xa0c3a26e, 0x9d3f95fa, 0xd4a100c0, + 0x8ac30dac, 0x04b87397, 0x9e5ac516, 0x8b0b442e, 0x66210ad6, 0x88ba7598, 0x45b9bd33, 0xf0be5087, + 0x9261b85e, 0x364f6a31, 0x891c4b50, 0x23ad08ce, 0xf10366a6, 0x80414276, 0x1b562e06, 0x8be21591, + 0x9e798195, 0x7fb4045c, 0x7d9506cf, 0x854e691f, 0x9207f092, 0x7a94c9d5, 0x88911536, 0x3f45cc61, + 0x27059279, 0xa5b57109, 0x6d2bb67b, 0x3bdc5379, 0x74e662d8, 0x80348f8c, 0xf875e638, 0x5a8caea1, + 0x2459ae75, 0x2c54b939, 0x79ee3203, 0xb9bc8683, 0x9b6f630c, 0x9f45b351, 0x8563b2b9, 0xe5dbba41, + 0x697c7d0d, 0x7bb7c90e, 0xac900866, 0x8e6b5177, 0x8822dd37, 0x7fd5a91e, 0x7506da05, 0x82302aca, + 0xa5e4be04, 0x4b4288eb, 0x00b8bc9f, 0x4f1033e4, 0x7200d612, 0x43900c8c, 0xa815b900, 0x676ed1d4, + 0x5c5f23b2, 0xa758ee11, 0xaf73abfa, 0x11714ec0, 0x265239e0, 0xc50de679, 0x8a84e341, 0xa1438354, + 0x7f1a341f, 0x343ec96b, 0x696e71b0, 0xa13bde39, 0x81e75094, 0x80091111, 0x853a73bf, 0x80f9c1ee, + 0xe4980086, 0x886a8e28, 0xa7e89426, 0xdd93edd7, 0x7592100d, 0x0bfa8123, 0x850a26d4, 0x2e34f395, + 0x421b6c00, 0xa4a462e4, 0x4e3f5090, 0x3c189f4c, 0x3c971a56, 0xdd0376d2, 0x747a5367, 0x7bcbc9d7, + 0x3966be6a, 0x7efda616, 0x55445e15, 0x7ba2ab3f, 0x5fe684f2, 0x8cf42af9, 0x808c61c3, 0x4390c27b, + 0x7cac62ff, 0xea6cab22, 0x5d0902ad, 0xc27b7208, 0x7a27389d, 0x5820a357, 0xa29bbe59, 0x9df0f1fd, + 0x92bd67e5, 0x7195b587, 0x97cac65b, 0x8339807e, 0x8f72d832, 0x5fad8685, 0xa462d9d3, 0x81d46214, + 0x6ae93e1d, 0x6b23a5b9, 0xc2732874, 0x81795268, 0x7c568cb6, 0x668513ea, 0x428d024e, 0x66b78b3a, + 0xfee9ef03, 0x9ddcbb82, 0xa605f07e, 0x46dc55e0, 0x85415054, 0xc89ec271, 0x7c42edfb, 0x0befe59b, + 0x89b8f607, 0x6d732a1a, 0xa7081ebd, 0x7e403258, 0x21feeb7b, 0x5dd7a1e7, 0x23e3a31a, 0x129bc896, + 0xa11a6b54, 0x7f1e031c, 0xfdc1a4d1, 0x96402e53, 0xb9700f1a, 0x8168ecd6, 0x7d63d3cc, 0x87a70d65, + 0x81075a7a, 0x55c8caa7, 0xa95d00b5, 0x102b1652, 0x0bb30215, 0xe5b63237, 0xa446ca44, 0x82d4c333, + 0x67b2e094, 0x44c3d661, 0x33fd6036, 0xde1ea2a1, 0xa95e8e47, 0x78f66eb9, 0x6f2aef1e, 0xe8887247, + 0x80a3b70e, 0xfca0d9d3, 0x6bf0fd20, 0x0d5226de, 0xf4341c87, 0x5902df05, 0x7ff1a38d, 0xf02e5a5b, + 0x99f129af, 0x8ac63d01, 0x7b53f599, 0x7bb32532, 0x99ac59b0, 0x5255a80f, 0xf1320a41, 0x2497aa5c, + 0xcce60bd8, 0x787c634b, 0x7ed58c5b, 0x8a28eb3a, 0x24a5e647, 0x8b79a2c1, 0x955f5ce5, 0xa9d12bc4, + 0x7a1e20c6, 0x3eeda7ac, 0xf7be823a, 0x042924ce, 0x808b3f03, 0x364248da, 0xac2895e5, 0x69a8b5fa, + 0x97fe8b63, 0xbdeac9aa, 0x8073e0ad, 0x6c25dba7, 0x005e51d2, 0x52e74389, 0x59d3988c, 0xe5d1f39c, + 0x7b57dc91, 0x341adbe7, 0xa7d42b8d, 0x74e9f335, 0xd35bf7d8, 0x5b7c0a4b, 0x75bc0874, 0x552129bf, + 0x8144b70d, 0x6de93bbb, 0x5825f14b, 0x473ec5ca, 0x80a8f37c, 0xe6552d69, 0x7898360b, 0x806379b0, + 0xa9b59339, 0x3f6bf60c, 0xc367d731, 0x920ade99, 0x125592f7, 0x877e5ed1, 0xda895d95, 0x075f2ece, + 0x380e5f5e, 0x9b006b62, 0xd17a6dd2, 0x530a0e13, 0xf4cc9a14, 0x7d0a0ed4, 0x847c6e3f, 0xbaee4975, + 0x47131163, 0x64fb2cac, 0x5e2100a6, 0x7b756a42, 0xd87609f4, 0x98bfe48c, 0x0493745e, 0x836c5784, + 0x7e5ccb40, 0x3df6b476, 0x97700d28, 0x8bbd93fd, 0x56de9cdb, 0x680b4e65, 0xebc3d90e, 0x6d286793, + 0x6753712e, 0xe05c98a7, 0x3d2b6b85, 0xc4b18ddb, 0x7b59b869, 0x31435688, 0x811888e9, 0xe011ee7a, + 0x6a5844f9, 0x86ae35ea, 0xb4cbc10b, 0x01a6f5d6, 0x7a49ed64, 0x927caa49, 0x847ddaed, 0xae0d9bb6, + 0x836bdb04, 0x0fd810a6, 0x74fe126b, 0x4a346b5f, 0x80184d36, 0x5afd153c, 0x90cc8102, 0xe606d0e6, + 0xde69aa58, 0xa89f1222, 0xe06df715, 0x8fd16144, 0x0317c3e8, 0x22ce92fc, 0x690c3eca, 0x93166f02, + 0x71573414, 0x8d43cffb, 0xe8bd0bb6, 0xde86770f, 0x0bf99a41, 0x4633a661, 0xba064108, 0x7adafae3, + 0x2f6cde5d, 0xb350a52c, 0xa5ebfb0b, 0x74c57b46, 0xd3b603b5, 0x80b70892, 0xa7f7fa53, 0xd94b566c, + 0xdda3fd86, 0x6a635793, 0x3ed005ca, 0xc5f087d8, 0x31e3a746, 0x7a4278f9, 0x82def1f9, 0x06caa2b2, + 0xe9d2c349, 0x8940e7f7, 0x7feef8dd, 0x4a9b01f0, 0xacde69f8, 0x57ddc280, 0xf09e4ba4, 0xb6d9f729, + 0xb48c18f2, 0xd3654aa9, 0xca7a03c8, 0x14d57545, 0x7fda87a5, 0x0e411366, 0xb77d0df0, 0x8c2aa467, + 0x787f2590, 0x2d292db1, 0x9f12682c, 0x44ac364d, 0x1a4b31a6, 0x871f7ded, 0x7ff99167, 0x6630a1d5, + 0x25385eb9, 0x2d4dd549, 0xaf8a7004, 0x319ebe0f, 0x379ab730, 0x81dc56a4, 0x822d8523, 0x1ae8554c, + 0x18fa0786, 0x875f7de4, 0x85ca350f, 0x7de818dc, 0x7786a38f, 0xa5456355, 0x92e60f88, 0xf5526122, + 0x916039bc, 0xc561e2de, 0x31c42042, 0x7c82e290, 0x75d158b2, 0xb015bda1, 0x7220c750, 0x46565441, + 0xd0da1fdd, 0x7b777481, 0x782e73c6, 0x8cd72b7b, 0x7f1006aa, 0xfb30e51e, 0x87994818, 0x34e7c7db, + 0x7faae06b, 0xea74fbc0, 0xd20c7af4, 0xc44f396b, 0x06b4234e, 0xdf2e2a93, 0x2efb07c8, 0xce861911, + 0x7550ea05, 0xd8d90bbb, 0x58522eec, 0x746b3520, 0xce844ce9, 0x7f5cacc3, 0xda8f17e0, 0x2fedf9cb, + 0xb2f77ec4, 0x6f13f4c0, 0x834de085, 0x7b7ace4b, 0x713b16ac, 0x499c5ab0, 0x06a7961d, 0x1b39a48a, + 0xbb853e6e, 0x7c781cc1, 0xc0baebf5, 0x7dace394, 0x815ceebc, 0xcc7b27d4, 0x8274b181, 0xa2be40a2, + 0xdd01d5dc, 0x7fefeb14, 0x0813ec78, 0xba3077cc, 0xe5cf1e1c, 0xedcfacae, 0x54c43a9b, 0x5cd62a42, + 0x93806b55, 0x03095c5b, 0x8e076ae3, 0x71bfcd2a, 0x7ac1989b, 0x623bc71a, 0x5e15d4d2, 0xfb341dd1, + 0xd75dfbca, 0xd0da32be, 0xd4569063, 0x337869da, 0x3d30606a, 0xcd89cca2, 0x7dd2ae36, 0x028c03cd, + 0xd85e052c, 0xe8dc9ec5, 0x7ffd9241, 0xde5bf4c6, 0x88c4b235, 0x8228be2e, 0x7fe6ec64, 0x996abe6a, + 0xdeb0666d, 0x9eb86611, 0xd249b922, 0x18b3e26b, 0x80211168, 0x5f8bb99c, 0x6ecb0dd2, 0x4728ff8d, + 0x2ac325b8, 0x6e5169d2, 0x7ebbd68d, 0x05e41d17, 0xaaa19f28, 0x8ab238a6, 0x51f105be, 0x140809cc, + 0x7f7345d9, 0x3aae5a9d, 0xaecec6e4, 0x1afb3473, 0xf6229ed1, 0x8d55f467, 0x7e32003a, 0x70f30c14, + 0x6686f33f, 0xd0d45ed8, 0x644fab57, 0x3a3fbbd3, 0x0b255fc4, 0x679a1701, 0x90e17b6e, 0x325d537b, + 0xcd7b9b87, 0xaa7be2a2, 0x7d47c966, 0xa33dbce5, 0x8659c3bb, 0x72a41367, 0x15c446e0, 0x45fe8b0a, + 0x9d8ddf26, 0x84d47643, 0x7fabe0da, 0x36a70122, 0x7a28ebfe, 0x7c29b8b8, 0x7f760406, 0xbabe4672, + 0x23ea216e, 0x92bcc50a, 0x6d20dba2, 0xad5a7c7e, 0xbf3897f5, 0xabb793e1, 0x8391fc7e, 0xe270291c, + 0x7a248d58, 0x80f8fd15, 0x83ef19f3, 0x5e6ece7d, 0x278430c1, 0x35239f4d, 0xe09c073b, 0x50e78cb5, + 0xd4b811bd, 0xce834ee0, 0xf88aaa34, 0xf71da5a9, 0xe2b0a1d5, 0x7c3aef31, 0xe84eabca, 0x3ce25964, + 0xf29336d3, 0x8fa78b2c, 0xa3fc3415, 0x63e1313d, 0x7fbc74e0, 0x7340bc93, 0x49ae583b, 0x8b79de4b, + 0x25011ce9, 0x7b462279, 0x36007db0, 0x3da1599c, 0x77780772, 0xc845c9bb, 0x83ba68be, 0x6ee507d1, + 0x2f0159b8, 0x5392c4ed, 0x98336ff6, 0x0b3c7f11, 0xde697aac, 0x893fc8d0, 0x6b83f8f3, 0x47799a0d, + 0x801d9dfc, 0x8516a83e, 0x5f8d22ec, 0x0f8ba384, 0xa049dc4b, 0xdd920b05, 0x7a99bc9f, 0x9ad19344, + 0x7a345dba, 0xf501a13f, 0x3e58bf19, 0x7fffaf9a, 0x3b4e1511, 0x0e08b991, 0x9e157620, 0x7230a326, + 0x4977f9ff, 0x2d2bbae1, 0x607aa7fc, 0x7bc85d5f, 0xb441bbbe, 0x8d8fa5f2, 0x601cce26, 0xda1884f2, + 0x81c82d64, 0x200b709c, 0xcbd36abe, 0x8cbdddd3, 0x55ab61d3, 0x7e3ee993, 0x833f18aa, 0xffc1aaea, + 0x7362e16a, 0x7fb85db2, 0x904ee04c, 0x7f04dca6, 0x8ad7a046, 0xebe7d8f7, 0xfbc4c687, 0xd0609458, + 0x093ed977, 0x8e546085, 0x7f5b8236, 0x7c47e118, 0xa01f2641, 0x7ffb3e48, 0x05de7cda, 0x7fc281b9, + 0x8e0278fc, 0xd74e6d07, 0x94c24450, 0x7cf9e641, 0x2ad27871, 0x919fa815, 0x805fd205, 0x7758397f, + 0xe2c7e02c, 0x1828e194, 0x5613d6fe, 0xfb55359f, 0xf9699516, 0x8978ee26, 0x7feebad9, 0x77d71d82, + 0x55b28b60, 0x7e997600, 0x80821a6b, 0xc6d78af1, 0x691822ab, 0x7f6982a0, 0x7ef56f99, 0x5c307f40, + 0xac6f8b76, 0x42cc8ba4, 0x782c61d9, 0xa0224dd0, 0x7bd234d1, 0x74576e3b, 0xe38cfe9a, 0x491e66ef, + 0xc78291c5, 0x895bb87f, 0x924f7889, 0x71b89394, 0x757b779d, 0xc4a9c604, 0x5cdf7829, 0x8020e9df, + 0x805e8245, 0x4a82c398, 0x6360bd62, 0x78bb60fc, 0x09e0d014, 0x4b0ea180, 0xb841978b, 0x69a0e864, + 0x7df35977, 0x3284b0dd, 0x3cdc2efd, 0x57d31f5e, 0x541069cc, 0x1776e92e, 0x04309ea3, 0xa015eb2d, + 0xce7bfabc, 0x41b638f8, 0x8365932e, 0x846ab44c, 0xbbcc80cb, 0x8afa6cac, 0x7fc422ea, 0x4e403fc0, + 0xbfac9aee, 0x8e4c6709, 0x028e01fb, 0x6d160a9b, 0x7fe93004, 0x790f9cdc, 0x6a1f37a0, 0xf7e7ef30, + 0xb4ea0f04, 0x7bf4c8e6, 0xe981701f, 0xc258a9d3, 0x6acbbfba, 0xef5479c7, 0x079c8bd8, 0x1a410f56, + 0x6853b799, 0x86cd4f01, 0xc66e23b6, 0x34585565, 0x8d1fe00d, 0x7fcdba1a, 0x32c9717b, 0xa02f9f48, + 0xf64940db, 0x5ed7d8f1, 0x61b823b2, 0x356f8918, 0xa0a7151e, 0x793fc969, 0x530beaeb, 0x34e93270, + 0x4fc4ddb5, 0x88d58b6c, 0x36094774, 0xf620ac80, 0x03763a72, 0xf910c9a6, 0x6666fb2d, 0x752c8be8, + 0x9a6dfdd8, 0xd1a7117d, 0x51c1b1d4, 0x0a67773d, 0x43b32a79, 0x4cdcd085, 0x5f067d30, 0x05bfe92a, + 0x7ed7d203, 0xe71a3c85, 0x99127ce2, 0x8eb3cac4, 0xad4bbcea, 0x5c6a0fd0, 0x0eec04af, 0x94e95cd4, + 0x8654f921, 0x83eabb5d, 0xb058d7ca, 0x69f12d3c, 0x03d881b2, 0x80558ef7, 0x82938cb3, 0x2ec0e1d6, + 0x80044422, 0xd1e47051, 0x720fc6ff, 0x82b20316, 0x0d527b02, 0x63049a15, 0x7ad5b9ad, 0xd2a4641d, + 0x41144f86, 0x7b04917a, 0x15c4a2c0, 0x9da07916, 0x211df54a, 0x7fdd09af, 0xfe924f3f, 0x7e132cfe, + 0x9a1d18d6, 0x7c56508b, 0x80f0f0af, 0x8095ced6, 0x8037d0d7, 0x026719d1, 0xa55fec43, 0x2b1c7cb7, + 0xa5cd5ac1, 0x77639fad, 0x7fcd8b62, 0x81a18c27, 0xaee4912e, 0xeae9eebe, 0xeb3081de, 0x8532aada, + 0xc822362e, 0x86a649a9, 0x8031a71d, 0x7b319dc6, 0xea8022e6, 0x814bc5a9, 0x8f62f7a1, 0xa430ea17, + 0x388deafb, 0x883b5185, 0x776fe13c, 0x801c683f, 0x87c11b98, 0xb7cbc644, 0x8e9ad3e8, 0x3cf5a10c, + 0x7ff6a634, 0x949ef096, 0x9f84aa7c, 0x010af13f, 0x782d1de8, 0xf18e492a, 0x6cf63b01, 0x4301cd81, + 0x32d15c9e, 0x68ad8cef, 0xd09bd2d6, 0x908c5c15, 0xd1e36260, 0x2c5bfdd0, 0x88765a99, 0x93deba1e, + 0xac6ae342, 0xe865b84c, 0x0f4f2847, 0x7fdf0499, 0x78b1c9b3, 0x6a73261e, 0x601a96f6, 0xd2847933, + 0x489aa888, 0xe12e8093, 0x3bfa5a5f, 0xd96ba5f7, 0x7c8f4c8d, 0x80940c6f, 0xcef9dd1a, 0x7e1a055f, + 0x3483558b, 0x02b59cc4, 0x0c56333e, 0x05a5b813, 0x92d66287, 0x7516b679, 0x71bfe03f, 0x8056bf68, + 0xc24d0724, 0x8416bcf3, 0x234afbdb, 0x4b0d6f9c, 0xaba97333, 0x4b4f42b6, 0x7e8343ab, 0x7ffe2603, + 0xe590f73c, 0x45e10c76, 0xb07a6a78, 0xb35609d3, 0x1a027dfd, 0x90cb6e20, 0x82d3fe38, 0x7b409257, + 0x0e395afa, 0x1b802093, 0xcb0c6c59, 0x241e17e7, 0x1ee3ea0a, 0x41a82302, 0xab04350a, 0xf570beb7, + 0xbb444b9b, 0x83021459, 0x838d65dc, 0x1c439c84, 0x6fdcc454, 0xef9ef325, 0x18626c1c, 0x020d251f, + 0xc4aae786, 0x8614cb48, 0xf6f53ca6, 0x8710dbab, 0x89abec0d, 0xf29d41c1, 0x94b50336, 0xfdd49178, + 0x604658d1, 0x800e85be, 0xca1bb079, 0x7fa48eeb, 0xa3b7fafe, 0xd330436b, 0x64eb604c, 0x43a658ae, + 0x7caa1337, 0xddd445e6, 0x7efbf955, 0xb706ec71, 0x624a6b53, 0x9e0e231f, 0x97097248, 0xa1e1a17a, + 0x68dd2e44, 0x7f9d2e14, 0xddcc7074, 0x58324197, 0xc88fc426, 0x6d3640ae, 0x7ef83600, 0x759a0270, + 0x98b6d854, 0xd63c9b84, 0x372474a2, 0xe3f18cfd, 0x56ab0bdb, 0x85c9be7e, 0x47dfcfeb, 0xa5830d41, + 0x0ddd6283, 0xf4f480ad, 0x74c60e38, 0xab8943c3, 0xc1508fe7, 0x480cdc39, 0x8e097362, 0xa44793be, + 0x538b7e18, 0x545f5b41, 0x56529175, 0x9771a97e, 0xc2da7421, 0xea8265f2, 0x805d1163, 0x883c5d28, + 0x8ba94c48, 0x4f676e65, 0xf78735b3, 0xe1853671, 0x7f454f53, 0x18147f85, 0x7d09e15d, 0xdb4f3494, + 0x795c8973, 0x83310632, 0x85d8061c, 0x9a1a0ebf, 0xc125583c, 0x2a1b1a95, 0x7fd9103f, 0x71e98c72, + 0x40932ed7, 0x91ed227a, 0x3c5e560e, 0xe816dee9, 0xb0891b80, 0x600038ba, 0xc7d9a80d, 0x7fff5e09, + 0x7e3f4351, 0xbb6b4424, 0xb14448d4, 0x8d6bb7e1, 0xfb153626, 0xa68ad537, 0xd9782006, 0xf62f6991, + 0x359ba8c1, 0x02ccff0b, 0x91bf2256, 0x7ea71c4d, 0x560ce5df, 0xeeba289b, 0xa574c4e7, 0x9e04f6ee, + 0x7860a5ec, 0x0b8db4a2, 0x968ba3d7, 0x0b6c77df, 0xd6f3157d, 0x402eff1a, 0x49b820b3, 0x8152aebb, + 0xd180b0b6, 0x098604d4, 0x7ff92224, 0xede9c996, 0x89c58061, 0x829624c4, 0xc6e71ea7, 0xba94d915, + 0x389c3cf6, 0x5b4c5a06, 0x04b335e6, 0x516a8aab, 0x42c8d7d9, 0x92b12af6, 0x86c8549f, 0xfda98acf, + 0x819673b6, 0x69545dac, 0x6feaa230, 0x726e6d3f, 0x886ebdfe, 0x34f5730a, 0x7af63ba2, 0x77307bbf, + 0x7cd80630, 0x6e45efe0, 0x7f8ad7eb, 0x59d7df99, 0x86c70946, 0xda233629, 0x753f6cbf, 0x825eeb40, +}; diff --git a/audio_codec/libraac/statname.h b/audio_codec/libraac/statname.h new file mode 100644 index 0000000..127281c --- a/dev/null +++ b/audio_codec/libraac/statname.h @@ -0,0 +1,115 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: statname.h,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * statname.h - name mangling macros for static linking + **************************************************************************************/ + +#ifndef _STATNAME_H +#define _STATNAME_H + +/* define STAT_PREFIX to a unique name for static linking + * all the C functions and global variables will be mangled by the preprocessor + * e.g. void DCT4(...) becomes void raac_DCT4(...) + */ +#define STAT_PREFIX raac + +#define STATCC1(x,y,z) STATCC2(x,y,z) +#define STATCC2(x,y,z) x##y##z + +#ifdef STAT_PREFIX +#define STATNAME(func) STATCC1(STAT_PREFIX, _, func) +#else +#define STATNAME(func) func +#endif + +/* these symbols are common to all implementations */ +#define AllocateBuffers STATNAME(AllocateBuffers) +#define FreeBuffers STATNAME(FreeBuffers) +#define ClearBuffer STATNAME(ClearBuffer) + +#define SetRawBlockParams STATNAME(SetRawBlockParams) +#define PrepareRawBlock STATNAME(PrepareRawBlock) +#define FlushCodec STATNAME(FlushCodec) + +#define UnpackADTSHeader STATNAME(UnpackADTSHeader) +#define GetADTSChannelMapping STATNAME(GetADTSChannelMapping) +#define UnpackADIFHeader STATNAME(UnpackADIFHeader) +#define DecodeNextElement STATNAME(DecodeNextElement) +#define DecodeNoiselessData STATNAME(DecodeNoiselessData) +#define Dequantize STATNAME(Dequantize) +#define StereoProcess STATNAME(StereoProcess) +#define DeinterleaveShortBlocks STATNAME(DeinterleaveShortBlocks) +#define PNS STATNAME(PNS) +#define TNSFilter STATNAME(TNSFilter) +#define IMDCT STATNAME(IMDCT) + +#define InitSBR STATNAME(InitSBR) +#define DecodeSBRBitstream STATNAME(DecodeSBRBitstream) +#define DecodeSBRData STATNAME(DecodeSBRData) +#define FreeSBR STATNAME(FreeSBR) +#define FlushCodecSBR STATNAME(FlushCodecSBR) + +/* global ROM tables */ +#define sampRateTab STATNAME(sampRateTab) +#define predSFBMax STATNAME(predSFBMax) +#define channelMapTab STATNAME(channelMapTab) +#define elementNumChans STATNAME(elementNumChans) +#define sfBandTotalShort STATNAME(sfBandTotalShort) +#define sfBandTotalLong STATNAME(sfBandTotalLong) +#define sfBandTabShortOffset STATNAME(sfBandTabShortOffset) +#define sfBandTabShort STATNAME(sfBandTabShort) +#define sfBandTabLongOffset STATNAME(sfBandTabLongOffset) +#define sfBandTabLong STATNAME(sfBandTabLong) +#define tnsMaxBandsShortOffset STATNAME(tnsMaxBandsShortOffset) +#define tnsMaxBandsShort STATNAME(tnsMaxBandsShort) +#define tnsMaxOrderShort STATNAME(tnsMaxOrderShort) +#define tnsMaxBandsLongOffset STATNAME(tnsMaxBandsLongOffset) +#define tnsMaxBandsLong STATNAME(tnsMaxBandsLong) +#define tnsMaxOrderLong STATNAME(tnsMaxOrderLong) + +/* in your implementation's top-level include file (e.g. real\coder.h) you should + * add new #define sym STATNAME(sym) lines for all the + * additional global functions or variables which your + * implementation uses + */ + +#endif /* _STATNAME_H */ diff --git a/audio_codec/libraac/stproc.c b/audio_codec/libraac/stproc.c new file mode 100644 index 0000000..54ef4e8 --- a/dev/null +++ b/audio_codec/libraac/stproc.c @@ -0,0 +1,252 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: stproc.c,v 1.3 2005/05/24 16:01:55 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * stproc.c - mid-side and intensity stereo processing + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +/* pow14[0][i] = -pow(2, i/4.0) + * pow14[1][i] = +pow(2, i/4.0) + * + * i = [0,1,2,3] + * format = Q30 + */ +static const int pow14[2][4] = { + { 0xc0000000, 0xb3e407d7, 0xa57d8666, 0x945d819b }, + { 0x40000000, 0x4c1bf829, 0x5a82799a, 0x6ba27e65 } +}; + +/************************************************************************************** + * Function: StereoProcessGroup + * + * Description: apply mid-side and intensity stereo to group of transform coefficients + * + * Inputs: dequantized transform coefficients for both channels + * pointer to appropriate scalefactor band table + * mid-side mask enabled flag + * buffer with mid-side mask (one bit for each scalefactor band) + * bit offset into mid-side mask buffer + * max coded scalefactor band + * buffer of codebook indices for right channel + * buffer of scalefactors for right channel, range = [0, 256] + * + * Outputs: updated transform coefficients in Q(FBITS_OUT_DQ_OFF) + * updated minimum guard bit count for both channels + * + * Return: none + * + * Notes: assume no guard bits in input + * gains 0 int bits + **************************************************************************************/ +static void StereoProcessGroup(int *coefL, int *coefR, const short *sfbTab, + int msMaskPres, unsigned char *msMaskPtr, int msMaskOffset, int maxSFB, + unsigned char *cbRight, short *sfRight, int *gbCurrent) +{ + int sfb, width, cbIdx, sf, cl, cr, scalef, scalei; + int gbMaskL, gbMaskR; + unsigned char msMask; + + msMask = (*msMaskPtr++) >> msMaskOffset; + gbMaskL = 0; + gbMaskR = 0; + + for (sfb = 0; sfb < maxSFB; sfb++) { + width = sfbTab[sfb + 1] - sfbTab[sfb]; /* assume >= 0 (see sfBandTabLong/sfBandTabShort) */ + cbIdx = cbRight[sfb]; + + if (cbIdx == 14 || cbIdx == 15) { + /* intensity stereo */ + if (msMaskPres == 1 && (msMask & 0x01)) { + cbIdx ^= 0x01; /* invert_intensity(): 14 becomes 15, or 15 becomes 14 */ + } + sf = -sfRight[sfb]; /* negative since we use identity 0.5^(x) = 2^(-x) (see spec) */ + cbIdx &= 0x01; /* choose - or + scale factor */ + scalef = pow14[cbIdx][sf & 0x03]; + scalei = (sf >> 2) + 2; /* +2 to compensate for scalef = Q30 */ + + if (scalei > 0) { + if (scalei > 30) { + scalei = 30; + } + do { + cr = MULSHIFT32(*coefL++, scalef); + CLIP_2N(cr, 31 - scalei); + cr <<= scalei; + gbMaskR |= FASTABS(cr); + *coefR++ = cr; + } while (--width); + } else { + scalei = -scalei; + if (scalei > 31) { + scalei = 31; + } + do { + cr = MULSHIFT32(*coefL++, scalef) >> scalei; + gbMaskR |= FASTABS(cr); + *coefR++ = cr; + } while (--width); + } + } else if (cbIdx != 13 && ((msMaskPres == 1 && (msMask & 0x01)) || msMaskPres == 2)) { + /* mid-side stereo (assumes no GB in inputs) */ + do { + cl = *coefL; + cr = *coefR; + + if ((FASTABS(cl) | FASTABS(cr)) >> 30) { + /* avoid overflow (rare) */ + cl >>= 1; + sf = cl + (cr >> 1); + CLIP_2N(sf, 30); + sf <<= 1; + cl = cl - (cr >> 1); + CLIP_2N(cl, 30); + cl <<= 1; + } else { + /* usual case */ + sf = cl + cr; + cl -= cr; + } + + *coefL++ = sf; + gbMaskL |= FASTABS(sf); + *coefR++ = cl; + gbMaskR |= FASTABS(cl); + } while (--width); + + } else { + /* nothing to do */ + coefL += width; + coefR += width; + } + + /* get next mask bit (should be branchless on ARM) */ + msMask >>= 1; + if (++msMaskOffset == 8) { + msMask = *msMaskPtr++; + msMaskOffset = 0; + } + } + + cl = CLZ(gbMaskL) - 1; + if (gbCurrent[0] > cl) { + gbCurrent[0] = cl; + } + + cr = CLZ(gbMaskR) - 1; + if (gbCurrent[1] > cr) { + gbCurrent[1] = cr; + } + + return; +} + +/************************************************************************************** + * Function: StereoProcess + * + * Description: apply mid-side and intensity stereo, if enabled + * + * Inputs: valid AACDecInfo struct (including dequantized transform coefficients) + * + * Outputs: updated transform coefficients in Q(FBITS_OUT_DQ_OFF) + * updated minimum guard bit count for both channels + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +int StereoProcess(AACDecInfo *aacDecInfo) +{ + PSInfoBase *psi; + ICSInfo *icsInfo; + int gp, win, nSamps, msMaskOffset; + int *coefL, *coefR; + unsigned char *msMaskPtr; + const short *sfbTab; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + /* mid-side and intensity stereo require common_window == 1 (see MPEG4 spec, Correction 2, 2004) */ + if (psi->commonWin != 1 || aacDecInfo->currBlockID != AAC_ID_CPE) { + return 0; + } + + /* nothing to do */ + if (!psi->msMaskPresent && !psi->intensityUsed[1]) { + return 0; + } + + icsInfo = &(psi->icsInfo[0]); + if (icsInfo->winSequence == 2) { + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + nSamps = NSAMPS_SHORT; + } else { + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + nSamps = NSAMPS_LONG; + } + coefL = psi->coef[0]; + coefR = psi->coef[1]; + + /* do fused mid-side/intensity processing for each block (one long or eight short) */ + msMaskOffset = 0; + msMaskPtr = psi->msMaskBits; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + StereoProcessGroup(coefL, coefR, sfbTab, psi->msMaskPresent, + msMaskPtr, msMaskOffset, icsInfo->maxSFB, psi->sfbCodeBook[1] + gp * icsInfo->maxSFB, + psi->scaleFactors[1] + gp * icsInfo->maxSFB, psi->gbCurrent); + coefL += nSamps; + coefR += nSamps; + } + /* we use one bit per sfb, so there are maxSFB bits for each window group */ + msMaskPtr += (msMaskOffset + icsInfo->maxSFB) >> 3; + msMaskOffset = (msMaskOffset + icsInfo->maxSFB) & 0x07; + } + + ASSERT(coefL == psi->coef[0] + 1024); + ASSERT(coefR == psi->coef[1] + 1024); + + return 0; +} diff --git a/audio_codec/libraac/stream_hdr_utils.c b/audio_codec/libraac/stream_hdr_utils.c new file mode 100644 index 0000000..2ed7f7e --- a/dev/null +++ b/audio_codec/libraac/stream_hdr_utils.c @@ -0,0 +1,136 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: stream_hdr_utils.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "../include/helix_types.h" +#include "../include/helix_result.h" +#include "../include/rm_memory.h" +#include "../include/pack_utils.h" +#include "../include/memory_utils.h" +#include "../include/stream_hdr_structs.h" +#include "../include/stream_hdr_utils.h" + +HX_RESULT rm_unpack_rule_map(BYTE** ppBuf, + UINT32* pulLen, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree, + void* pUserMem, + rm_rule_map* pMap) +{ + HX_RESULT retVal = HXR_FAIL; + + if (ppBuf && pulLen && fpMalloc && fpFree && pMap && + *ppBuf && *pulLen >= 2) { + /* Initialize local variables */ + UINT32 ulSize = 0; + UINT32 i = 0; + /* Clean up any existing rule to flag map */ + rm_cleanup_rule_map(fpFree, pUserMem, pMap); + /* Unpack the number of rules */ + pMap->ulNumRules = rm_unpack16(ppBuf, pulLen); + if (pMap->ulNumRules && *pulLen >= pMap->ulNumRules * 2) { + /* Allocate the map array */ + ulSize = pMap->ulNumRules * sizeof(UINT32); + pMap->pulMap = (UINT32*) fpMalloc(pUserMem, ulSize); + if (pMap->pulMap) { + /* Zero out the memory */ + memset(pMap->pulMap, 0, ulSize); + /* Unpack each of the flags */ + for (i = 0; i < pMap->ulNumRules; i++) { + pMap->pulMap[i] = rm_unpack16(ppBuf, pulLen); + } + /* Clear the return value */ + retVal = HXR_OK; + } + } else { + /* No rules - not an error */ + retVal = HXR_OK; + } + } + + return retVal; +} + +void rm_cleanup_rule_map(rm_free_func_ptr fpFree, + void* pUserMem, + rm_rule_map* pMap) +{ + if (fpFree && pMap && pMap->pulMap) { + fpFree(pUserMem, pMap->pulMap); + pMap->pulMap = HXNULL; + pMap->ulNumRules = 0; + } +} + +HX_RESULT rm_unpack_multistream_hdr(BYTE** ppBuf, + UINT32* pulLen, + rm_malloc_func_ptr fpMalloc, + rm_free_func_ptr fpFree, + void* pUserMem, + rm_multistream_hdr* hdr) +{ + HX_RESULT retVal = HXR_FAIL; + + if (ppBuf && pulLen && fpMalloc && fpFree && hdr && + *ppBuf && *pulLen >= 4) { + /* Unpack the multistream members */ + hdr->ulID = rm_unpack32(ppBuf, pulLen); + /* Unpack the rule to substream map */ + retVal = rm_unpack_rule_map(ppBuf, pulLen, + fpMalloc, fpFree, pUserMem, + &hdr->rule2SubStream); + if (retVal == HXR_OK) { + if (*pulLen >= 2) { + /* Unpack the number of substreams */ + hdr->ulNumSubStreams = rm_unpack16(ppBuf, pulLen); + } else { + retVal = HXR_FAIL; + } + } + } + + return retVal; +} + +void rm_cleanup_multistream_hdr(rm_free_func_ptr fpFree, + void* pUserMem, + rm_multistream_hdr* hdr) +{ + if (hdr) { + rm_cleanup_rule_map(fpFree, pUserMem, &hdr->rule2SubStream); + } +} diff --git a/audio_codec/libraac/string_utils.c b/audio_codec/libraac/string_utils.c new file mode 100644 index 0000000..9922539 --- a/dev/null +++ b/audio_codec/libraac/string_utils.c @@ -0,0 +1,87 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: string_utils.c,v 1.1.1.1.2.1 2005/05/04 18:21:24 hubbe Exp $ + * + * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. + * All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the Real Format Source Code + * Porting and Optimization License, available at + * https://helixcommunity.org/2005/license/realformatsource (unless + * RealNetworks otherwise expressly agrees in writing that you are + * subject to a different license). You may also obtain the license + * terms directly from RealNetworks. You may not use this file except + * in compliance with the Real Format Source Code Porting and + * Optimization License. There are no redistribution rights for the + * source code of this file. Please see the Real Format Source Code + * Porting and Optimization License for the rights, obligations and + * limitations governing use of the contents of the file. + * + * RealNetworks is the developer of the Original Code and owns the + * copyrights in the portions it created. + * + * This file, and the files included with this file, is distributed and + * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL + * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT + * OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * https://rarvcode-tck.helixcommunity.org + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +#include +#include "../include/string_utils.h" +#include "../include/memory_utils.h" + +char* copy_string(void* pUserMem, + rm_malloc_func_ptr fpMalloc, + const char* pszStr) +{ + char* pRet = HXNULL; + + if (fpMalloc && pszStr) { + /* Allocate space for string */ + pRet = (char*) fpMalloc(pUserMem, strlen(pszStr) + 1); + if (pRet) { + /* Copy the string */ + strcpy(pRet, pszStr); + } + } + + return pRet; +} + +void free_string(void* pUserMem, + rm_free_func_ptr fpFree, + char** ppszStr) +{ + if (fpFree && ppszStr && *ppszStr) { + fpFree(pUserMem, *ppszStr); + *ppszStr = HXNULL; + } +} + +#if defined(_WINDOWS) + +#if !defined(_WINCE) + +int strcasecmp(const char* pszStr1, const char* pszStr2) +{ + return _stricmp(pszStr1, pszStr2); +} + +#endif /* #if !defined(_WINCE) */ + +int strncasecmp(const char* pszStr1, const char* pszStr2, int len) +{ + return _strnicmp(pszStr1, pszStr2, (size_t) len); +} + +#endif /* #if defined(_WINDOWS) */ + diff --git a/audio_codec/libraac/tns.c b/audio_codec/libraac/tns.c new file mode 100644 index 0000000..d3f430e --- a/dev/null +++ b/audio_codec/libraac/tns.c @@ -0,0 +1,307 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: tns.c,v 1.2 2005/05/24 16:01:55 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * tns.c - apply TNS to spectrum + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +#define FBITS_LPC_COEFS 20 + +/* inverse quantization tables for TNS filter coefficients, format = Q31 + * see bottom of file for table generation + * negative (vs. spec) since we use MADD for filter kernel + */ +static const int invQuant3[16] = { + 0x00000000, 0xc8767f65, 0x9becf22c, 0x83358feb, 0x83358feb, 0x9becf22c, 0xc8767f65, 0x00000000, + 0x2bc750e9, 0x5246dd49, 0x6ed9eba1, 0x7e0e2e32, 0x7e0e2e32, 0x6ed9eba1, 0x5246dd49, 0x2bc750e9, +}; + +static const int invQuant4[16] = { + 0x00000000, 0xe5632654, 0xcbf00dbe, 0xb4c373ee, 0xa0e0a15f, 0x9126145f, 0x8643c7b3, 0x80b381ac, + 0x7f7437ad, 0x7b1d1a49, 0x7294b5f2, 0x66256db2, 0x563ba8aa, 0x4362210e, 0x2e3d2abb, 0x17851aad, +}; + +/************************************************************************************** + * Function: DecodeLPCCoefs + * + * Description: decode LPC coefficients for TNS + * + * Inputs: order of TNS filter + * resolution of coefficients (3 or 4 bits) + * coefficients unpacked from bitstream + * scratch buffer (b) of size >= order + * + * Outputs: LPC coefficients in Q(FBITS_LPC_COEFS), in 'a' + * + * Return: none + * + * Notes: assumes no guard bits in input transform coefficients + * a[i] = Q(FBITS_LPC_COEFS), don't store a0 = 1.0 + * (so a[0] = first delay tap, etc.) + * max abs(a[i]) < log2(order), so for max order = 20 a[i] < 4.4 + * (up to 3 bits of gain) so a[i] has at least 31 - FBITS_LPC_COEFS - 3 + * guard bits + * to ensure no intermediate overflow in all-pole filter, set + * FBITS_LPC_COEFS such that number of guard bits >= log2(max order) + **************************************************************************************/ +static void DecodeLPCCoefs(int order, int res, signed char *filtCoef, int *a, int *b) +{ + int i, m, t; + const int *invQuantTab; + + if (res == 3) { + invQuantTab = invQuant3; + } else if (res == 4) { + invQuantTab = invQuant4; + } else { + return; + } + + for (m = 0; m < order; m++) { + t = invQuantTab[filtCoef[m] & 0x0f]; /* t = Q31 */ + for (i = 0; i < m; i++) { + b[i] = a[i] - (MULSHIFT32(t, a[m - i - 1]) << 1); + } + for (i = 0; i < m; i++) { + a[i] = b[i]; + } + a[m] = t >> (31 - FBITS_LPC_COEFS); + } +} + +/************************************************************************************** + * Function: FilterRegion + * + * Description: apply LPC filter to one region of coefficients + * + * Inputs: number of transform coefficients in this region + * direction flag (forward = 1, backward = -1) + * order of filter + * 'size' transform coefficients + * 'order' LPC coefficients in Q(FBITS_LPC_COEFS) + * scratch buffer for history (must be >= order samples long) + * + * Outputs: filtered transform coefficients + * + * Return: guard bit mask (OR of abs value of all filtered transform coefs) + * + * Notes: assumes no guard bits in input transform coefficients + * gains 0 int bits + * history buffer does not need to be preserved between regions + **************************************************************************************/ +static int FilterRegion(int size, int dir, int order, int *audioCoef, int *a, int *hist) +{ + int i, j, y, hi32, inc, gbMask; + U64 sum64; + + /* init history to 0 every time */ + for (i = 0; i < order; i++) { + hist[i] = 0; + } + + sum64.w64 = 0; /* avoid warning */ + gbMask = 0; + inc = (dir ? -1 : 1); + do { + /* sum64 = a0*y[n] = 1.0*y[n] */ + y = *audioCoef; + sum64.r.hi32 = y >> (32 - FBITS_LPC_COEFS); + sum64.r.lo32 = y << FBITS_LPC_COEFS; + + /* sum64 += (a1*y[n-1] + a2*y[n-2] + ... + a[order-1]*y[n-(order-1)]) */ + for (j = order - 1; j > 0; j--) { + sum64.w64 = MADD64(sum64.w64, hist[j], a[j]); + hist[j] = hist[j - 1]; + } + sum64.w64 = MADD64(sum64.w64, hist[0], a[0]); + y = (sum64.r.hi32 << (32 - FBITS_LPC_COEFS)) | (sum64.r.lo32 >> FBITS_LPC_COEFS); + + /* clip output (rare) */ + hi32 = sum64.r.hi32; + if ((hi32 >> 31) != (hi32 >> (FBITS_LPC_COEFS - 1))) { + y = (hi32 >> 31) ^ 0x7fffffff; + } + + hist[0] = y; + *audioCoef = y; + audioCoef += inc; + gbMask |= FASTABS(y); + } while (--size); + + return gbMask; +} + +/************************************************************************************** + * Function: TNSFilter + * + * Description: apply temporal noise shaping, if enabled + * + * Inputs: valid AACDecInfo struct + * index of current channel + * + * Outputs: updated transform coefficients + * updated minimum guard bit count for this channel + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +int TNSFilter(AACDecInfo *aacDecInfo, int ch) +{ + int win, winLen, nWindows, nSFB, filt, bottom, top, order, maxOrder, dir; + int start, end, size, tnsMaxBand, numFilt, gbMask; + int *audioCoef; + unsigned char *filtLength, *filtOrder, *filtRes, *filtDir; + signed char *filtCoef; + const unsigned char *tnsMaxBandTab; + const short *sfbTab; + ICSInfo *icsInfo; + TNSInfo *ti; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + ti = &psi->tnsInfo[ch]; + + if (!ti->tnsDataPresent) { + return 0; + } + + if (icsInfo->winSequence == 2) { + nWindows = NWINDOWS_SHORT; + winLen = NSAMPS_SHORT; + nSFB = sfBandTotalShort[psi->sampRateIdx]; + maxOrder = tnsMaxOrderShort[aacDecInfo->profile]; + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + tnsMaxBandTab = tnsMaxBandsShort + tnsMaxBandsShortOffset[aacDecInfo->profile]; + tnsMaxBand = tnsMaxBandTab[psi->sampRateIdx]; + } else { + nWindows = NWINDOWS_LONG; + winLen = NSAMPS_LONG; + nSFB = sfBandTotalLong[psi->sampRateIdx]; + maxOrder = tnsMaxOrderLong[aacDecInfo->profile]; + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + tnsMaxBandTab = tnsMaxBandsLong + tnsMaxBandsLongOffset[aacDecInfo->profile]; + tnsMaxBand = tnsMaxBandTab[psi->sampRateIdx]; + } + + if (tnsMaxBand > icsInfo->maxSFB) { + tnsMaxBand = icsInfo->maxSFB; + } + + filtRes = ti->coefRes; + filtLength = ti->length; + filtOrder = ti->order; + filtDir = ti->dir; + filtCoef = ti->coef; + + gbMask = 0; + audioCoef = psi->coef[ch]; + for (win = 0; win < nWindows; win++) { + bottom = nSFB; + numFilt = ti->numFilt[win]; + for (filt = 0; filt < numFilt; filt++) { + top = bottom; + bottom = top - *filtLength++; + bottom = MAX(bottom, 0); + order = *filtOrder++; + order = MIN(order, maxOrder); + + if (order) { + start = sfbTab[MIN(bottom, tnsMaxBand)]; + end = sfbTab[MIN(top, tnsMaxBand)]; + size = end - start; + if (size > 0) { + dir = *filtDir++; + if (dir) { + start = end - 1; + } + + DecodeLPCCoefs(order, filtRes[win], filtCoef, psi->tnsLPCBuf, psi->tnsWorkBuf); + gbMask |= FilterRegion(size, dir, order, audioCoef + start, psi->tnsLPCBuf, psi->tnsWorkBuf); + } + filtCoef += order; + } + } + audioCoef += winLen; + } + + /* update guard bit count if necessary */ + size = CLZ(gbMask) - 1; + if (psi->gbCurrent[ch] > size) { + psi->gbCurrent[ch] = size; + } + + return 0; +} + +/* Code to generate invQuantXXX[] tables + * { + * int res, i, t; + * double powScale, iqfac, iqfac_m, d; + * + * powScale = pow(2.0, 31) * -1.0; / ** make coefficients negative for using MADD in kernel ** / + * for (res = 3; res <= 4; res++) { + * iqfac = ( ((1 << (res-1)) - 0.5) * (2.0 / M_PI) ); + * iqfac_m = ( ((1 << (res-1)) + 0.5) * (2.0 / M_PI) ); + * printf("static const int invQuant%d[16] = {\n", res); + * for (i = 0; i < 16; i++) { + * / ** extend bottom 4 bits into signed, 2's complement number ** / + * t = (i << 28) >> 28; + * + * if (t >= 0) d = sin(t / iqfac); + * else d = sin(t / iqfac_m); + * + * d *= powScale; + * printf("0x%08x, ", (int)(d > 0 ? d + 0.5 : d - 0.5)); + * if ((i & 0x07) == 0x07) + * printf("\n"); + * } + * printf("};\n\n"); + * } + * } + */ + diff --git a/audio_codec/libraac/trigtabs.c b/audio_codec/libraac/trigtabs.c new file mode 100644 index 0000000..0a77b6f --- a/dev/null +++ b/audio_codec/libraac/trigtabs.c @@ -0,0 +1,1000 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: trigtabs.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * trigtabs.c - tables of sin, cos, etc. for IMDCT + **************************************************************************************/ + +#include "coder.h" + +const int cos4sin4tabOffset[NUM_IMDCT_SIZES] = {0, 128}; + +/* PreMultiply() tables + * format = Q30 * 2^[-7, -10] for nmdct = [128, 1024] + * reordered for sequential access + * + * invM = -1.0 / nmdct; + * for (i = 0; i < nmdct/4; i++) { + * angle = (i + 0.25) * M_PI / nmdct; + * x = invM * (cos(angle) + sin(angle)); + * x = invM * sin(angle); + * + * angle = (nmdct/2 - 1 - i + 0.25) * M_PI / nmdct; + * x = invM * (cos(angle) + sin(angle)); + * x = invM * sin(angle); + * } + */ +const int cos4sin4tab[128 + 1024] = { + /* 128 - format = Q30 * 2^-7 */ + 0xbf9bc731, 0xff9b783c, 0xbed5332c, 0xc002c697, 0xbe112251, 0xfe096c8d, 0xbd4f9c30, 0xc00f1c4a, + 0xbc90a83f, 0xfc77ae5e, 0xbbd44dd9, 0xc0254e27, 0xbb1a9443, 0xfae67ba2, 0xba6382a6, 0xc04558c0, + 0xb9af200f, 0xf9561237, 0xb8fd7373, 0xc06f3726, 0xb84e83ac, 0xf7c6afdc, 0xb7a25779, 0xc0a2e2e3, + 0xb6f8f57c, 0xf6389228, 0xb652643e, 0xc0e05401, 0xb5aeaa2a, 0xf4abf67e, 0xb50dcd90, 0xc1278104, + 0xb46fd4a4, 0xf3211a07, 0xb3d4c57c, 0xc1785ef4, 0xb33ca614, 0xf19839a6, 0xb2a77c49, 0xc1d2e158, + 0xb2154dda, 0xf01191f3, 0xb186206b, 0xc236fa3b, 0xb0f9f981, 0xee8d5f29, 0xb070de82, 0xc2a49a2e, + 0xafead4b9, 0xed0bdd25, 0xaf67e14f, 0xc31bb049, 0xaee80952, 0xeb8d475b, 0xae6b51ae, 0xc39c2a2f, + 0xadf1bf34, 0xea11d8c8, 0xad7b5692, 0xc425f410, 0xad081c5a, 0xe899cbf1, 0xac9814fd, 0xc4b8f8ad, + 0xac2b44cc, 0xe7255ad1, 0xabc1aff9, 0xc555215a, 0xab5b5a96, 0xe5b4bed8, 0xaaf84896, 0xc5fa5603, + 0xaa987dca, 0xe44830dd, 0xaa3bfde3, 0xc6a87d2d, 0xa9e2cc73, 0xe2dfe917, 0xa98cece9, 0xc75f7bfe, + 0xa93a6296, 0xe17c1f15, 0xa8eb30a7, 0xc81f363d, 0xa89f5a2b, 0xe01d09b4, 0xa856e20e, 0xc8e78e5b, + 0xa811cb1b, 0xdec2df18, 0xa7d017fc, 0xc9b86572, 0xa791cb39, 0xdd6dd4a2, 0xa756e73a, 0xca919b4e, + 0xa71f6e43, 0xdc1e1ee9, 0xa6eb6279, 0xcb730e70, 0xa6bac5dc, 0xdad3f1b1, 0xa68d9a4c, 0xcc5c9c14, + 0xa663e188, 0xd98f7fe6, 0xa63d9d2b, 0xcd4e2037, 0xa61aceaf, 0xd850fb8e, 0xa5fb776b, 0xce47759a, + 0xa5df9894, 0xd71895c9, 0xa5c7333e, 0xcf4875ca, 0xa5b2485a, 0xd5e67ec1, 0xa5a0d8b5, 0xd050f926, + 0xa592e4fd, 0xd4bae5ab, 0xa5886dba, 0xd160d6e5, 0xa5817354, 0xd395f8ba, 0xa57df60f, 0xd277e518, + /* 1024 - format = Q30 * 2^-10 */ + 0xbff3703e, 0xfff36f02, 0xbfda5824, 0xc0000b1a, 0xbfc149ed, 0xffc12b16, 0xbfa845a0, 0xc0003c74, + 0xbf8f4b3e, 0xff8ee750, 0xbf765acc, 0xc0009547, 0xbf5d744e, 0xff5ca3d0, 0xbf4497c8, 0xc0011594, + 0xbf2bc53d, 0xff2a60b4, 0xbf12fcb2, 0xc001bd5c, 0xbefa3e2a, 0xfef81e1d, 0xbee189a8, 0xc0028c9c, + 0xbec8df32, 0xfec5dc28, 0xbeb03eca, 0xc0038356, 0xbe97a875, 0xfe939af5, 0xbe7f1c36, 0xc004a188, + 0xbe669a10, 0xfe615aa3, 0xbe4e2209, 0xc005e731, 0xbe35b423, 0xfe2f1b50, 0xbe1d5062, 0xc0075452, + 0xbe04f6cb, 0xfdfcdd1d, 0xbdeca760, 0xc008e8e8, 0xbdd46225, 0xfdcaa027, 0xbdbc2720, 0xc00aa4f3, + 0xbda3f652, 0xfd98648d, 0xbd8bcfbf, 0xc00c8872, 0xbd73b36d, 0xfd662a70, 0xbd5ba15d, 0xc00e9364, + 0xbd439995, 0xfd33f1ed, 0xbd2b9c17, 0xc010c5c7, 0xbd13a8e7, 0xfd01bb24, 0xbcfbc00a, 0xc0131f9b, + 0xbce3e182, 0xfccf8634, 0xbccc0d53, 0xc015a0dd, 0xbcb44382, 0xfc9d533b, 0xbc9c8411, 0xc018498c, + 0xbc84cf05, 0xfc6b2259, 0xbc6d2461, 0xc01b19a7, 0xbc558428, 0xfc38f3ac, 0xbc3dee5f, 0xc01e112b, + 0xbc266309, 0xfc06c754, 0xbc0ee22a, 0xc0213018, 0xbbf76bc4, 0xfbd49d70, 0xbbdfffdd, 0xc024766a, + 0xbbc89e77, 0xfba2761e, 0xbbb14796, 0xc027e421, 0xbb99fb3e, 0xfb70517d, 0xbb82b972, 0xc02b7939, + 0xbb6b8235, 0xfb3e2fac, 0xbb54558d, 0xc02f35b1, 0xbb3d337b, 0xfb0c10cb, 0xbb261c04, 0xc0331986, + 0xbb0f0f2b, 0xfad9f4f8, 0xbaf80cf4, 0xc03724b6, 0xbae11561, 0xfaa7dc52, 0xbaca2878, 0xc03b573f, + 0xbab3463b, 0xfa75c6f8, 0xba9c6eae, 0xc03fb11d, 0xba85a1d4, 0xfa43b508, 0xba6edfb1, 0xc044324f, + 0xba582849, 0xfa11a6a3, 0xba417b9e, 0xc048dad1, 0xba2ad9b5, 0xf9df9be6, 0xba144291, 0xc04daaa1, + 0xb9fdb635, 0xf9ad94f0, 0xb9e734a4, 0xc052a1bb, 0xb9d0bde4, 0xf97b91e1, 0xb9ba51f6, 0xc057c01d, + 0xb9a3f0de, 0xf94992d7, 0xb98d9aa0, 0xc05d05c3, 0xb9774f3f, 0xf91797f0, 0xb9610ebe, 0xc06272aa, + 0xb94ad922, 0xf8e5a14d, 0xb934ae6d, 0xc06806ce, 0xb91e8ea3, 0xf8b3af0c, 0xb90879c7, 0xc06dc22e, + 0xb8f26fdc, 0xf881c14b, 0xb8dc70e7, 0xc073a4c3, 0xb8c67cea, 0xf84fd829, 0xb8b093ea, 0xc079ae8c, + 0xb89ab5e8, 0xf81df3c5, 0xb884e2e9, 0xc07fdf85, 0xb86f1af0, 0xf7ec143e, 0xb8595e00, 0xc08637a9, + 0xb843ac1d, 0xf7ba39b3, 0xb82e0549, 0xc08cb6f5, 0xb818698a, 0xf7886442, 0xb802d8e0, 0xc0935d64, + 0xb7ed5351, 0xf756940a, 0xb7d7d8df, 0xc09a2af3, 0xb7c2698e, 0xf724c92a, 0xb7ad0561, 0xc0a11f9d, + 0xb797ac5b, 0xf6f303c0, 0xb7825e80, 0xc0a83b5e, 0xb76d1bd2, 0xf6c143ec, 0xb757e455, 0xc0af7e33, + 0xb742b80d, 0xf68f89cb, 0xb72d96fd, 0xc0b6e815, 0xb7188127, 0xf65dd57d, 0xb7037690, 0xc0be7901, + 0xb6ee773a, 0xf62c2721, 0xb6d98328, 0xc0c630f2, 0xb6c49a5e, 0xf5fa7ed4, 0xb6afbce0, 0xc0ce0fe3, + 0xb69aeab0, 0xf5c8dcb6, 0xb68623d1, 0xc0d615cf, 0xb6716847, 0xf59740e5, 0xb65cb815, 0xc0de42b2, + 0xb648133e, 0xf565ab80, 0xb63379c5, 0xc0e69686, 0xb61eebae, 0xf5341ca5, 0xb60a68fb, 0xc0ef1147, + 0xb5f5f1b1, 0xf5029473, 0xb5e185d1, 0xc0f7b2ee, 0xb5cd255f, 0xf4d11308, 0xb5b8d05f, 0xc1007b77, + 0xb5a486d2, 0xf49f9884, 0xb59048be, 0xc1096add, 0xb57c1624, 0xf46e2504, 0xb567ef08, 0xc1128119, + 0xb553d36c, 0xf43cb8a7, 0xb53fc355, 0xc11bbe26, 0xb52bbec4, 0xf40b538b, 0xb517c5be, 0xc12521ff, + 0xb503d845, 0xf3d9f5cf, 0xb4eff65c, 0xc12eac9d, 0xb4dc2007, 0xf3a89f92, 0xb4c85548, 0xc1385dfb, + 0xb4b49622, 0xf37750f2, 0xb4a0e299, 0xc1423613, 0xb48d3ab0, 0xf3460a0d, 0xb4799e69, 0xc14c34df, + 0xb4660dc8, 0xf314cb02, 0xb45288cf, 0xc1565a58, 0xb43f0f82, 0xf2e393ef, 0xb42ba1e4, 0xc160a678, + 0xb4183ff7, 0xf2b264f2, 0xb404e9bf, 0xc16b193a, 0xb3f19f3e, 0xf2813e2a, 0xb3de6078, 0xc175b296, + 0xb3cb2d70, 0xf2501fb5, 0xb3b80628, 0xc1807285, 0xb3a4eaa4, 0xf21f09b1, 0xb391dae6, 0xc18b5903, + 0xb37ed6f1, 0xf1edfc3d, 0xb36bdec9, 0xc1966606, 0xb358f26f, 0xf1bcf777, 0xb34611e8, 0xc1a1998a, + 0xb3333d36, 0xf18bfb7d, 0xb320745c, 0xc1acf386, 0xb30db75d, 0xf15b086d, 0xb2fb063b, 0xc1b873f5, + 0xb2e860fa, 0xf12a1e66, 0xb2d5c79d, 0xc1c41ace, 0xb2c33a26, 0xf0f93d86, 0xb2b0b898, 0xc1cfe80a, + 0xb29e42f6, 0xf0c865ea, 0xb28bd943, 0xc1dbdba3, 0xb2797b82, 0xf09797b2, 0xb26729b5, 0xc1e7f591, + 0xb254e3e0, 0xf066d2fa, 0xb242aa05, 0xc1f435cc, 0xb2307c27, 0xf03617e2, 0xb21e5a49, 0xc2009c4e, + 0xb20c446d, 0xf0056687, 0xb1fa3a97, 0xc20d290d, 0xb1e83cc9, 0xefd4bf08, 0xb1d64b06, 0xc219dc03, + 0xb1c46551, 0xefa42181, 0xb1b28bad, 0xc226b528, 0xb1a0be1b, 0xef738e12, 0xb18efca0, 0xc233b473, + 0xb17d473d, 0xef4304d8, 0xb16b9df6, 0xc240d9de, 0xb15a00cd, 0xef1285f2, 0xb1486fc5, 0xc24e255e, + 0xb136eae1, 0xeee2117c, 0xb1257223, 0xc25b96ee, 0xb114058e, 0xeeb1a796, 0xb102a524, 0xc2692e83, + 0xb0f150e9, 0xee81485c, 0xb0e008e0, 0xc276ec16, 0xb0cecd09, 0xee50f3ed, 0xb0bd9d6a, 0xc284cf9f, + 0xb0ac7a03, 0xee20aa67, 0xb09b62d8, 0xc292d914, 0xb08a57eb, 0xedf06be6, 0xb079593f, 0xc2a1086d, + 0xb06866d7, 0xedc0388a, 0xb05780b5, 0xc2af5da2, 0xb046a6db, 0xed901070, 0xb035d94e, 0xc2bdd8a9, + 0xb025180e, 0xed5ff3b5, 0xb014631e, 0xc2cc7979, 0xb003ba82, 0xed2fe277, 0xaff31e3b, 0xc2db400a, + 0xafe28e4d, 0xecffdcd4, 0xafd20ab9, 0xc2ea2c53, 0xafc19383, 0xeccfe2ea, 0xafb128ad, 0xc2f93e4a, + 0xafa0ca39, 0xec9ff4d6, 0xaf90782a, 0xc30875e5, 0xaf803283, 0xec7012b5, 0xaf6ff945, 0xc317d31c, + 0xaf5fcc74, 0xec403ca5, 0xaf4fac12, 0xc32755e5, 0xaf3f9822, 0xec1072c4, 0xaf2f90a5, 0xc336fe37, + 0xaf1f959f, 0xebe0b52f, 0xaf0fa712, 0xc346cc07, 0xaeffc500, 0xebb10404, 0xaeefef6c, 0xc356bf4d, + 0xaee02658, 0xeb815f60, 0xaed069c7, 0xc366d7fd, 0xaec0b9bb, 0xeb51c760, 0xaeb11636, 0xc377160f, + 0xaea17f3b, 0xeb223c22, 0xae91f4cd, 0xc3877978, 0xae8276ed, 0xeaf2bdc3, 0xae73059f, 0xc398022f, + 0xae63a0e3, 0xeac34c60, 0xae5448be, 0xc3a8b028, 0xae44fd31, 0xea93e817, 0xae35be3f, 0xc3b9835a, + 0xae268be9, 0xea649105, 0xae176633, 0xc3ca7bba, 0xae084d1f, 0xea354746, 0xadf940ae, 0xc3db993e, + 0xadea40e4, 0xea060af9, 0xaddb4dc2, 0xc3ecdbdc, 0xadcc674b, 0xe9d6dc3b, 0xadbd8d82, 0xc3fe4388, + 0xadaec067, 0xe9a7bb28, 0xad9fffff, 0xc40fd037, 0xad914c4b, 0xe978a7dd, 0xad82a54c, 0xc42181e0, + 0xad740b07, 0xe949a278, 0xad657d7c, 0xc4335877, 0xad56fcaf, 0xe91aab16, 0xad4888a0, 0xc44553f2, + 0xad3a2153, 0xe8ebc1d3, 0xad2bc6ca, 0xc4577444, 0xad1d7907, 0xe8bce6cd, 0xad0f380c, 0xc469b963, + 0xad0103db, 0xe88e1a20, 0xacf2dc77, 0xc47c2344, 0xace4c1e2, 0xe85f5be9, 0xacd6b41e, 0xc48eb1db, + 0xacc8b32c, 0xe830ac45, 0xacbabf10, 0xc4a1651c, 0xacacd7cb, 0xe8020b52, 0xac9efd60, 0xc4b43cfd, + 0xac912fd1, 0xe7d3792b, 0xac836f1f, 0xc4c73972, 0xac75bb4d, 0xe7a4f5ed, 0xac68145d, 0xc4da5a6f, + 0xac5a7a52, 0xe77681b6, 0xac4ced2c, 0xc4ed9fe7, 0xac3f6cef, 0xe7481ca1, 0xac31f99d, 0xc50109d0, + 0xac249336, 0xe719c6cb, 0xac1739bf, 0xc514981d, 0xac09ed38, 0xe6eb8052, 0xabfcada3, 0xc5284ac3, + 0xabef7b04, 0xe6bd4951, 0xabe2555b, 0xc53c21b4, 0xabd53caa, 0xe68f21e5, 0xabc830f5, 0xc5501ce5, + 0xabbb323c, 0xe6610a2a, 0xabae4082, 0xc5643c4a, 0xaba15bc9, 0xe633023e, 0xab948413, 0xc5787fd6, + 0xab87b962, 0xe6050a3b, 0xab7afbb7, 0xc58ce77c, 0xab6e4b15, 0xe5d72240, 0xab61a77d, 0xc5a17330, + 0xab5510f3, 0xe5a94a67, 0xab488776, 0xc5b622e6, 0xab3c0b0b, 0xe57b82cd, 0xab2f9bb1, 0xc5caf690, + 0xab23396c, 0xe54dcb8f, 0xab16e43d, 0xc5dfee22, 0xab0a9c27, 0xe52024c9, 0xaafe612a, 0xc5f5098f, + 0xaaf23349, 0xe4f28e96, 0xaae61286, 0xc60a48c9, 0xaad9fee3, 0xe4c50914, 0xaacdf861, 0xc61fabc4, + 0xaac1ff03, 0xe497945d, 0xaab612ca, 0xc6353273, 0xaaaa33b8, 0xe46a308f, 0xaa9e61cf, 0xc64adcc7, + 0xaa929d10, 0xe43cddc4, 0xaa86e57e, 0xc660aab5, 0xaa7b3b1b, 0xe40f9c1a, 0xaa6f9de7, 0xc6769c2e, + 0xaa640de6, 0xe3e26bac, 0xaa588b18, 0xc68cb124, 0xaa4d157f, 0xe3b54c95, 0xaa41ad1e, 0xc6a2e98b, + 0xaa3651f6, 0xe3883ef2, 0xaa2b0409, 0xc6b94554, 0xaa1fc358, 0xe35b42df, 0xaa148fe6, 0xc6cfc472, + 0xaa0969b3, 0xe32e5876, 0xa9fe50c2, 0xc6e666d7, 0xa9f34515, 0xe3017fd5, 0xa9e846ad, 0xc6fd2c75, + 0xa9dd558b, 0xe2d4b916, 0xa9d271b2, 0xc714153e, 0xa9c79b23, 0xe2a80456, 0xa9bcd1e0, 0xc72b2123, + 0xa9b215ea, 0xe27b61af, 0xa9a76744, 0xc7425016, 0xa99cc5ee, 0xe24ed13d, 0xa99231eb, 0xc759a20a, + 0xa987ab3c, 0xe222531c, 0xa97d31e3, 0xc77116f0, 0xa972c5e1, 0xe1f5e768, 0xa9686738, 0xc788aeb9, + 0xa95e15e9, 0xe1c98e3b, 0xa953d1f7, 0xc7a06957, 0xa9499b62, 0xe19d47b1, 0xa93f722c, 0xc7b846ba, + 0xa9355658, 0xe17113e5, 0xa92b47e5, 0xc7d046d6, 0xa92146d7, 0xe144f2f3, 0xa917532e, 0xc7e8699a, + 0xa90d6cec, 0xe118e4f6, 0xa9039413, 0xc800aef7, 0xa8f9c8a4, 0xe0ecea09, 0xa8f00aa0, 0xc81916df, + 0xa8e65a0a, 0xe0c10247, 0xa8dcb6e2, 0xc831a143, 0xa8d3212a, 0xe0952dcb, 0xa8c998e3, 0xc84a4e14, + 0xa8c01e10, 0xe0696cb0, 0xa8b6b0b1, 0xc8631d42, 0xa8ad50c8, 0xe03dbf11, 0xa8a3fe57, 0xc87c0ebd, + 0xa89ab95e, 0xe012250a, 0xa89181df, 0xc8952278, 0xa88857dc, 0xdfe69eb4, 0xa87f3b57, 0xc8ae5862, + 0xa8762c4f, 0xdfbb2c2c, 0xa86d2ac8, 0xc8c7b06b, 0xa86436c2, 0xdf8fcd8b, 0xa85b503e, 0xc8e12a84, + 0xa852773f, 0xdf6482ed, 0xa849abc4, 0xc8fac69e, 0xa840edd1, 0xdf394c6b, 0xa8383d66, 0xc91484a8, + 0xa82f9a84, 0xdf0e2a22, 0xa827052d, 0xc92e6492, 0xa81e7d62, 0xdee31c2b, 0xa8160324, 0xc948664d, + 0xa80d9675, 0xdeb822a1, 0xa8053756, 0xc96289c9, 0xa7fce5c9, 0xde8d3d9e, 0xa7f4a1ce, 0xc97ccef5, + 0xa7ec6b66, 0xde626d3e, 0xa7e44294, 0xc99735c2, 0xa7dc2759, 0xde37b199, 0xa7d419b4, 0xc9b1be1e, + 0xa7cc19a9, 0xde0d0acc, 0xa7c42738, 0xc9cc67fa, 0xa7bc4262, 0xdde278ef, 0xa7b46b29, 0xc9e73346, + 0xa7aca18e, 0xddb7fc1e, 0xa7a4e591, 0xca021fef, 0xa79d3735, 0xdd8d9472, 0xa795967a, 0xca1d2de7, + 0xa78e0361, 0xdd634206, 0xa7867dec, 0xca385d1d, 0xa77f061c, 0xdd3904f4, 0xa7779bf2, 0xca53ad7e, + 0xa7703f70, 0xdd0edd55, 0xa768f095, 0xca6f1efc, 0xa761af64, 0xdce4cb44, 0xa75a7bdd, 0xca8ab184, + 0xa7535602, 0xdcbacedb, 0xa74c3dd4, 0xcaa66506, 0xa7453353, 0xdc90e834, 0xa73e3681, 0xcac23971, + 0xa7374760, 0xdc671768, 0xa73065ef, 0xcade2eb3, 0xa7299231, 0xdc3d5c91, 0xa722cc25, 0xcafa44bc, + 0xa71c13ce, 0xdc13b7c9, 0xa715692c, 0xcb167b79, 0xa70ecc41, 0xdbea292b, 0xa7083d0d, 0xcb32d2da, + 0xa701bb91, 0xdbc0b0ce, 0xa6fb47ce, 0xcb4f4acd, 0xa6f4e1c6, 0xdb974ece, 0xa6ee8979, 0xcb6be341, + 0xa6e83ee8, 0xdb6e0342, 0xa6e20214, 0xcb889c23, 0xa6dbd2ff, 0xdb44ce46, 0xa6d5b1a9, 0xcba57563, + 0xa6cf9e13, 0xdb1baff2, 0xa6c9983e, 0xcbc26eee, 0xa6c3a02b, 0xdaf2a860, 0xa6bdb5da, 0xcbdf88b3, + 0xa6b7d94e, 0xdac9b7a9, 0xa6b20a86, 0xcbfcc29f, 0xa6ac4984, 0xdaa0dde7, 0xa6a69649, 0xcc1a1ca0, + 0xa6a0f0d5, 0xda781b31, 0xa69b5929, 0xcc3796a5, 0xa695cf46, 0xda4f6fa3, 0xa690532d, 0xcc55309b, + 0xa68ae4df, 0xda26db54, 0xa685845c, 0xcc72ea70, 0xa68031a6, 0xd9fe5e5e, 0xa67aecbd, 0xcc90c412, + 0xa675b5a3, 0xd9d5f8d9, 0xa6708c57, 0xccaebd6e, 0xa66b70db, 0xd9adaadf, 0xa6666330, 0xccccd671, + 0xa6616355, 0xd9857489, 0xa65c714d, 0xcceb0f0a, 0xa6578d18, 0xd95d55ef, 0xa652b6b6, 0xcd096725, + 0xa64dee28, 0xd9354f2a, 0xa6493370, 0xcd27deb0, 0xa644868d, 0xd90d6053, 0xa63fe781, 0xcd467599, + 0xa63b564c, 0xd8e58982, 0xa636d2ee, 0xcd652bcb, 0xa6325d6a, 0xd8bdcad0, 0xa62df5bf, 0xcd840134, + 0xa6299bed, 0xd8962456, 0xa6254ff7, 0xcda2f5c2, 0xa62111db, 0xd86e962b, 0xa61ce19c, 0xcdc20960, + 0xa618bf39, 0xd8472069, 0xa614aab3, 0xcde13bfd, 0xa610a40c, 0xd81fc328, 0xa60cab43, 0xce008d84, + 0xa608c058, 0xd7f87e7f, 0xa604e34e, 0xce1ffde2, 0xa6011424, 0xd7d15288, 0xa5fd52db, 0xce3f8d05, + 0xa5f99f73, 0xd7aa3f5a, 0xa5f5f9ed, 0xce5f3ad8, 0xa5f2624a, 0xd783450d, 0xa5eed88a, 0xce7f0748, + 0xa5eb5cae, 0xd75c63ba, 0xa5e7eeb6, 0xce9ef241, 0xa5e48ea3, 0xd7359b78, 0xa5e13c75, 0xcebefbb0, + 0xa5ddf82d, 0xd70eec60, 0xa5dac1cb, 0xcedf2380, 0xa5d79950, 0xd6e85689, 0xa5d47ebc, 0xceff699f, + 0xa5d17210, 0xd6c1da0b, 0xa5ce734d, 0xcf1fcdf8, 0xa5cb8272, 0xd69b76fe, 0xa5c89f80, 0xcf405077, + 0xa5c5ca77, 0xd6752d79, 0xa5c30359, 0xcf60f108, 0xa5c04a25, 0xd64efd94, 0xa5bd9edc, 0xcf81af97, + 0xa5bb017f, 0xd628e767, 0xa5b8720d, 0xcfa28c10, 0xa5b5f087, 0xd602eb0a, 0xa5b37cee, 0xcfc3865e, + 0xa5b11741, 0xd5dd0892, 0xa5aebf82, 0xcfe49e6d, 0xa5ac75b0, 0xd5b74019, 0xa5aa39cd, 0xd005d42a, + 0xa5a80bd7, 0xd59191b5, 0xa5a5ebd0, 0xd027277e, 0xa5a3d9b8, 0xd56bfd7d, 0xa5a1d590, 0xd0489856, + 0xa59fdf57, 0xd5468389, 0xa59df70e, 0xd06a269d, 0xa59c1cb5, 0xd52123f0, 0xa59a504c, 0xd08bd23f, + 0xa59891d4, 0xd4fbdec9, 0xa596e14e, 0xd0ad9b26, 0xa5953eb8, 0xd4d6b42b, 0xa593aa14, 0xd0cf813e, + 0xa5922362, 0xd4b1a42c, 0xa590aaa2, 0xd0f18472, 0xa58f3fd4, 0xd48caee4, 0xa58de2f8, 0xd113a4ad, + 0xa58c940f, 0xd467d469, 0xa58b5319, 0xd135e1d9, 0xa58a2016, 0xd44314d3, 0xa588fb06, 0xd1583be2, + 0xa587e3ea, 0xd41e7037, 0xa586dac1, 0xd17ab2b3, 0xa585df8c, 0xd3f9e6ad, 0xa584f24b, 0xd19d4636, + 0xa58412fe, 0xd3d5784a, 0xa58341a5, 0xd1bff656, 0xa5827e40, 0xd3b12526, 0xa581c8d0, 0xd1e2c2fd, + 0xa5812154, 0xd38ced57, 0xa58087cd, 0xd205ac17, 0xa57ffc3b, 0xd368d0f3, 0xa57f7e9d, 0xd228b18d, + 0xa57f0ef5, 0xd344d011, 0xa57ead41, 0xd24bd34a, 0xa57e5982, 0xd320eac6, 0xa57e13b8, 0xd26f1138, + 0xa57ddbe4, 0xd2fd2129, 0xa57db204, 0xd2926b41, 0xa57d961a, 0xd2d97350, 0xa57d8825, 0xd2b5e151, +}; + +/* PostMultiply() tables + * format = Q30 + * reordered for sequential access + * decimate (skip by 16 instead of 2) for small transform (128) + * + * for (i = 0; i <= (512/2); i++) { + * angle = i * M_PI / 1024; + * x = (cos(angle) + sin(angle)); + * x = sin(angle); + * } + */ +const int cos1sin1tab[514] = { + /* format = Q30 */ + 0x40000000, 0x00000000, 0x40323034, 0x003243f1, 0x406438cf, 0x006487c4, 0x409619b2, 0x0096cb58, + 0x40c7d2bd, 0x00c90e90, 0x40f963d3, 0x00fb514b, 0x412accd4, 0x012d936c, 0x415c0da3, 0x015fd4d2, + 0x418d2621, 0x0192155f, 0x41be162f, 0x01c454f5, 0x41eeddaf, 0x01f69373, 0x421f7c84, 0x0228d0bb, + 0x424ff28f, 0x025b0caf, 0x42803fb2, 0x028d472e, 0x42b063d0, 0x02bf801a, 0x42e05ecb, 0x02f1b755, + 0x43103085, 0x0323ecbe, 0x433fd8e1, 0x03562038, 0x436f57c1, 0x038851a2, 0x439ead09, 0x03ba80df, + 0x43cdd89a, 0x03ecadcf, 0x43fcda59, 0x041ed854, 0x442bb227, 0x0451004d, 0x445a5fe8, 0x0483259d, + 0x4488e37f, 0x04b54825, 0x44b73ccf, 0x04e767c5, 0x44e56bbd, 0x0519845e, 0x4513702a, 0x054b9dd3, + 0x454149fc, 0x057db403, 0x456ef916, 0x05afc6d0, 0x459c7d5a, 0x05e1d61b, 0x45c9d6af, 0x0613e1c5, + 0x45f704f7, 0x0645e9af, 0x46240816, 0x0677edbb, 0x4650dff1, 0x06a9edc9, 0x467d8c6d, 0x06dbe9bb, + 0x46aa0d6d, 0x070de172, 0x46d662d6, 0x073fd4cf, 0x47028c8d, 0x0771c3b3, 0x472e8a76, 0x07a3adff, + 0x475a5c77, 0x07d59396, 0x47860275, 0x08077457, 0x47b17c54, 0x08395024, 0x47dcc9f9, 0x086b26de, + 0x4807eb4b, 0x089cf867, 0x4832e02d, 0x08cec4a0, 0x485da887, 0x09008b6a, 0x4888443d, 0x09324ca7, + 0x48b2b335, 0x09640837, 0x48dcf556, 0x0995bdfd, 0x49070a84, 0x09c76dd8, 0x4930f2a6, 0x09f917ac, + 0x495aada2, 0x0a2abb59, 0x49843b5f, 0x0a5c58c0, 0x49ad9bc2, 0x0a8defc3, 0x49d6ceb3, 0x0abf8043, + 0x49ffd417, 0x0af10a22, 0x4a28abd6, 0x0b228d42, 0x4a5155d6, 0x0b540982, 0x4a79d1ff, 0x0b857ec7, + 0x4aa22036, 0x0bb6ecef, 0x4aca4065, 0x0be853de, 0x4af23270, 0x0c19b374, 0x4b19f641, 0x0c4b0b94, + 0x4b418bbe, 0x0c7c5c1e, 0x4b68f2cf, 0x0cada4f5, 0x4b902b5c, 0x0cdee5f9, 0x4bb7354d, 0x0d101f0e, + 0x4bde1089, 0x0d415013, 0x4c04bcf8, 0x0d7278eb, 0x4c2b3a84, 0x0da39978, 0x4c518913, 0x0dd4b19a, + 0x4c77a88e, 0x0e05c135, 0x4c9d98de, 0x0e36c82a, 0x4cc359ec, 0x0e67c65a, 0x4ce8eb9f, 0x0e98bba7, + 0x4d0e4de2, 0x0ec9a7f3, 0x4d33809c, 0x0efa8b20, 0x4d5883b7, 0x0f2b650f, 0x4d7d571c, 0x0f5c35a3, + 0x4da1fab5, 0x0f8cfcbe, 0x4dc66e6a, 0x0fbdba40, 0x4deab226, 0x0fee6e0d, 0x4e0ec5d1, 0x101f1807, + 0x4e32a956, 0x104fb80e, 0x4e565c9f, 0x10804e06, 0x4e79df95, 0x10b0d9d0, 0x4e9d3222, 0x10e15b4e, + 0x4ec05432, 0x1111d263, 0x4ee345ad, 0x11423ef0, 0x4f06067f, 0x1172a0d7, 0x4f289692, 0x11a2f7fc, + 0x4f4af5d1, 0x11d3443f, 0x4f6d2427, 0x12038584, 0x4f8f217e, 0x1233bbac, 0x4fb0edc1, 0x1263e699, + 0x4fd288dc, 0x1294062f, 0x4ff3f2bb, 0x12c41a4f, 0x50152b47, 0x12f422db, 0x5036326e, 0x13241fb6, + 0x50570819, 0x135410c3, 0x5077ac37, 0x1383f5e3, 0x50981eb1, 0x13b3cefa, 0x50b85f74, 0x13e39be9, + 0x50d86e6d, 0x14135c94, 0x50f84b87, 0x144310dd, 0x5117f6ae, 0x1472b8a5, 0x51376fd0, 0x14a253d1, + 0x5156b6d9, 0x14d1e242, 0x5175cbb5, 0x150163dc, 0x5194ae52, 0x1530d881, 0x51b35e9b, 0x15604013, + 0x51d1dc80, 0x158f9a76, 0x51f027eb, 0x15bee78c, 0x520e40cc, 0x15ee2738, 0x522c270f, 0x161d595d, + 0x5249daa2, 0x164c7ddd, 0x52675b72, 0x167b949d, 0x5284a96e, 0x16aa9d7e, 0x52a1c482, 0x16d99864, + 0x52beac9f, 0x17088531, 0x52db61b0, 0x173763c9, 0x52f7e3a6, 0x1766340f, 0x5314326d, 0x1794f5e6, + 0x53304df6, 0x17c3a931, 0x534c362d, 0x17f24dd3, 0x5367eb03, 0x1820e3b0, 0x53836c66, 0x184f6aab, + 0x539eba45, 0x187de2a7, 0x53b9d48f, 0x18ac4b87, 0x53d4bb34, 0x18daa52f, 0x53ef6e23, 0x1908ef82, + 0x5409ed4b, 0x19372a64, 0x5424389d, 0x196555b8, 0x543e5007, 0x19937161, 0x5458337a, 0x19c17d44, + 0x5471e2e6, 0x19ef7944, 0x548b5e3b, 0x1a1d6544, 0x54a4a56a, 0x1a4b4128, 0x54bdb862, 0x1a790cd4, + 0x54d69714, 0x1aa6c82b, 0x54ef4171, 0x1ad47312, 0x5507b76a, 0x1b020d6c, 0x551ff8ef, 0x1b2f971e, + 0x553805f2, 0x1b5d100a, 0x554fde64, 0x1b8a7815, 0x55678236, 0x1bb7cf23, 0x557ef15a, 0x1be51518, + 0x55962bc0, 0x1c1249d8, 0x55ad315b, 0x1c3f6d47, 0x55c4021d, 0x1c6c7f4a, 0x55da9df7, 0x1c997fc4, + 0x55f104dc, 0x1cc66e99, 0x560736bd, 0x1cf34baf, 0x561d338d, 0x1d2016e9, 0x5632fb3f, 0x1d4cd02c, + 0x56488dc5, 0x1d79775c, 0x565deb11, 0x1da60c5d, 0x56731317, 0x1dd28f15, 0x568805c9, 0x1dfeff67, + 0x569cc31b, 0x1e2b5d38, 0x56b14b00, 0x1e57a86d, 0x56c59d6a, 0x1e83e0eb, 0x56d9ba4e, 0x1eb00696, + 0x56eda1a0, 0x1edc1953, 0x57015352, 0x1f081907, 0x5714cf59, 0x1f340596, 0x572815a8, 0x1f5fdee6, + 0x573b2635, 0x1f8ba4dc, 0x574e00f2, 0x1fb7575c, 0x5760a5d5, 0x1fe2f64c, 0x577314d2, 0x200e8190, + 0x57854ddd, 0x2039f90f, 0x579750ec, 0x20655cac, 0x57a91df2, 0x2090ac4d, 0x57bab4e6, 0x20bbe7d8, + 0x57cc15bc, 0x20e70f32, 0x57dd406a, 0x21122240, 0x57ee34e5, 0x213d20e8, 0x57fef323, 0x21680b0f, + 0x580f7b19, 0x2192e09b, 0x581fccbc, 0x21bda171, 0x582fe804, 0x21e84d76, 0x583fcce6, 0x2212e492, + 0x584f7b58, 0x223d66a8, 0x585ef351, 0x2267d3a0, 0x586e34c7, 0x22922b5e, 0x587d3fb0, 0x22bc6dca, + 0x588c1404, 0x22e69ac8, 0x589ab1b9, 0x2310b23e, 0x58a918c6, 0x233ab414, 0x58b74923, 0x2364a02e, + 0x58c542c5, 0x238e7673, 0x58d305a6, 0x23b836ca, 0x58e091bd, 0x23e1e117, 0x58ede700, 0x240b7543, + 0x58fb0568, 0x2434f332, 0x5907eced, 0x245e5acc, 0x59149d87, 0x2487abf7, 0x5921172e, 0x24b0e699, + 0x592d59da, 0x24da0a9a, 0x59396584, 0x250317df, 0x59453a24, 0x252c0e4f, 0x5950d7b3, 0x2554edd1, + 0x595c3e2a, 0x257db64c, 0x59676d82, 0x25a667a7, 0x597265b4, 0x25cf01c8, 0x597d26b8, 0x25f78497, + 0x5987b08a, 0x261feffa, 0x59920321, 0x264843d9, 0x599c1e78, 0x2670801a, 0x59a60288, 0x2698a4a6, + 0x59afaf4c, 0x26c0b162, 0x59b924bc, 0x26e8a637, 0x59c262d5, 0x2710830c, 0x59cb698f, 0x273847c8, + 0x59d438e5, 0x275ff452, 0x59dcd0d3, 0x27878893, 0x59e53151, 0x27af0472, 0x59ed5a5c, 0x27d667d5, + 0x59f54bee, 0x27fdb2a7, 0x59fd0603, 0x2824e4cc, 0x5a048895, 0x284bfe2f, 0x5a0bd3a1, 0x2872feb6, + 0x5a12e720, 0x2899e64a, 0x5a19c310, 0x28c0b4d2, 0x5a20676c, 0x28e76a37, 0x5a26d42f, 0x290e0661, + 0x5a2d0957, 0x29348937, 0x5a3306de, 0x295af2a3, 0x5a38ccc2, 0x2981428c, 0x5a3e5afe, 0x29a778db, + 0x5a43b190, 0x29cd9578, 0x5a48d074, 0x29f3984c, 0x5a4db7a6, 0x2a19813f, 0x5a526725, 0x2a3f503a, + 0x5a56deec, 0x2a650525, 0x5a5b1efa, 0x2a8a9fea, 0x5a5f274b, 0x2ab02071, 0x5a62f7dd, 0x2ad586a3, + 0x5a6690ae, 0x2afad269, 0x5a69f1bb, 0x2b2003ac, 0x5a6d1b03, 0x2b451a55, 0x5a700c84, 0x2b6a164d, + 0x5a72c63b, 0x2b8ef77d, 0x5a754827, 0x2bb3bdce, 0x5a779246, 0x2bd8692b, 0x5a79a498, 0x2bfcf97c, + 0x5a7b7f1a, 0x2c216eaa, 0x5a7d21cc, 0x2c45c8a0, 0x5a7e8cac, 0x2c6a0746, 0x5a7fbfbb, 0x2c8e2a87, + 0x5a80baf6, 0x2cb2324c, 0x5a817e5d, 0x2cd61e7f, 0x5a8209f1, 0x2cf9ef09, 0x5a825db0, 0x2d1da3d5, + 0x5a82799a, 0x2d413ccd, +}; + +const int sinWindowOffset[NUM_IMDCT_SIZES] = {0, 128}; + +/* Synthesis window - SIN + * format = Q31 for nmdct = [128, 1024] + * reordered for sequential access + * + * for (i = 0; i < nmdct/2; i++) { + * angle = (i + 0.5) * M_PI / (2.0 * nmdct); + * x = sin(angle); + * + * angle = (nmdct - 1 - i + 0.5) * M_PI / (2.0 * nmdct); + * x = sin(angle); + * } + */ +const int sinWindow[128 + 1024] = { + /* 128 - format = Q31 * 2^0 */ + 0x00c90f88, 0x7fff6216, 0x025b26d7, 0x7ffa72d1, 0x03ed26e6, 0x7ff09478, 0x057f0035, 0x7fe1c76b, + 0x0710a345, 0x7fce0c3e, 0x08a2009a, 0x7fb563b3, 0x0a3308bd, 0x7f97cebd, 0x0bc3ac35, 0x7f754e80, + 0x0d53db92, 0x7f4de451, 0x0ee38766, 0x7f2191b4, 0x1072a048, 0x7ef05860, 0x120116d5, 0x7eba3a39, + 0x138edbb1, 0x7e7f3957, 0x151bdf86, 0x7e3f57ff, 0x16a81305, 0x7dfa98a8, 0x183366e9, 0x7db0fdf8, + 0x19bdcbf3, 0x7d628ac6, 0x1b4732ef, 0x7d0f4218, 0x1ccf8cb3, 0x7cb72724, 0x1e56ca1e, 0x7c5a3d50, + 0x1fdcdc1b, 0x7bf88830, 0x2161b3a0, 0x7b920b89, 0x22e541af, 0x7b26cb4f, 0x24677758, 0x7ab6cba4, + 0x25e845b6, 0x7a4210d8, 0x27679df4, 0x79c89f6e, 0x28e5714b, 0x794a7c12, 0x2a61b101, 0x78c7aba2, + 0x2bdc4e6f, 0x78403329, 0x2d553afc, 0x77b417df, 0x2ecc681e, 0x77235f2d, 0x3041c761, 0x768e0ea6, + 0x31b54a5e, 0x75f42c0b, 0x3326e2c3, 0x7555bd4c, 0x34968250, 0x74b2c884, 0x36041ad9, 0x740b53fb, + 0x376f9e46, 0x735f6626, 0x38d8fe93, 0x72af05a7, 0x3a402dd2, 0x71fa3949, 0x3ba51e29, 0x71410805, + 0x3d07c1d6, 0x708378ff, 0x3e680b2c, 0x6fc19385, 0x3fc5ec98, 0x6efb5f12, 0x4121589b, 0x6e30e34a, + 0x427a41d0, 0x6d6227fa, 0x43d09aed, 0x6c8f351c, 0x452456bd, 0x6bb812d1, 0x46756828, 0x6adcc964, + 0x47c3c22f, 0x69fd614a, 0x490f57ee, 0x6919e320, 0x4a581c9e, 0x683257ab, 0x4b9e0390, 0x6746c7d8, + 0x4ce10034, 0x66573cbb, 0x4e210617, 0x6563bf92, 0x4f5e08e3, 0x646c59bf, 0x5097fc5e, 0x637114cc, + 0x51ced46e, 0x6271fa69, 0x53028518, 0x616f146c, 0x5433027d, 0x60686ccf, 0x556040e2, 0x5f5e0db3, + 0x568a34a9, 0x5e50015d, 0x57b0d256, 0x5d3e5237, 0x58d40e8c, 0x5c290acc, 0x59f3de12, 0x5b1035cf, + /* 1024 - format = Q31 * 2^0 */ + 0x001921fb, 0x7ffffd88, 0x004b65ee, 0x7fffe9cb, 0x007da9d4, 0x7fffc251, 0x00afeda8, 0x7fff8719, + 0x00e23160, 0x7fff3824, 0x011474f6, 0x7ffed572, 0x0146b860, 0x7ffe5f03, 0x0178fb99, 0x7ffdd4d7, + 0x01ab3e97, 0x7ffd36ee, 0x01dd8154, 0x7ffc8549, 0x020fc3c6, 0x7ffbbfe6, 0x024205e8, 0x7ffae6c7, + 0x027447b0, 0x7ff9f9ec, 0x02a68917, 0x7ff8f954, 0x02d8ca16, 0x7ff7e500, 0x030b0aa4, 0x7ff6bcf0, + 0x033d4abb, 0x7ff58125, 0x036f8a51, 0x7ff4319d, 0x03a1c960, 0x7ff2ce5b, 0x03d407df, 0x7ff1575d, + 0x040645c7, 0x7fefcca4, 0x04388310, 0x7fee2e30, 0x046abfb3, 0x7fec7c02, 0x049cfba7, 0x7feab61a, + 0x04cf36e5, 0x7fe8dc78, 0x05017165, 0x7fe6ef1c, 0x0533ab20, 0x7fe4ee06, 0x0565e40d, 0x7fe2d938, + 0x05981c26, 0x7fe0b0b1, 0x05ca5361, 0x7fde7471, 0x05fc89b8, 0x7fdc247a, 0x062ebf22, 0x7fd9c0ca, + 0x0660f398, 0x7fd74964, 0x06932713, 0x7fd4be46, 0x06c5598a, 0x7fd21f72, 0x06f78af6, 0x7fcf6ce8, + 0x0729bb4e, 0x7fcca6a7, 0x075bea8c, 0x7fc9ccb2, 0x078e18a7, 0x7fc6df08, 0x07c04598, 0x7fc3dda9, + 0x07f27157, 0x7fc0c896, 0x08249bdd, 0x7fbd9fd0, 0x0856c520, 0x7fba6357, 0x0888ed1b, 0x7fb7132b, + 0x08bb13c5, 0x7fb3af4e, 0x08ed3916, 0x7fb037bf, 0x091f5d06, 0x7facac7f, 0x09517f8f, 0x7fa90d8e, + 0x0983a0a7, 0x7fa55aee, 0x09b5c048, 0x7fa1949e, 0x09e7de6a, 0x7f9dbaa0, 0x0a19fb04, 0x7f99ccf4, + 0x0a4c1610, 0x7f95cb9a, 0x0a7e2f85, 0x7f91b694, 0x0ab0475c, 0x7f8d8de1, 0x0ae25d8d, 0x7f895182, + 0x0b147211, 0x7f850179, 0x0b4684df, 0x7f809dc5, 0x0b7895f0, 0x7f7c2668, 0x0baaa53b, 0x7f779b62, + 0x0bdcb2bb, 0x7f72fcb4, 0x0c0ebe66, 0x7f6e4a5e, 0x0c40c835, 0x7f698461, 0x0c72d020, 0x7f64aabf, + 0x0ca4d620, 0x7f5fbd77, 0x0cd6da2d, 0x7f5abc8a, 0x0d08dc3f, 0x7f55a7fa, 0x0d3adc4e, 0x7f507fc7, + 0x0d6cda53, 0x7f4b43f2, 0x0d9ed646, 0x7f45f47b, 0x0dd0d01f, 0x7f409164, 0x0e02c7d7, 0x7f3b1aad, + 0x0e34bd66, 0x7f359057, 0x0e66b0c3, 0x7f2ff263, 0x0e98a1e9, 0x7f2a40d2, 0x0eca90ce, 0x7f247ba5, + 0x0efc7d6b, 0x7f1ea2dc, 0x0f2e67b8, 0x7f18b679, 0x0f604faf, 0x7f12b67c, 0x0f923546, 0x7f0ca2e7, + 0x0fc41876, 0x7f067bba, 0x0ff5f938, 0x7f0040f6, 0x1027d784, 0x7ef9f29d, 0x1059b352, 0x7ef390ae, + 0x108b8c9b, 0x7eed1b2c, 0x10bd6356, 0x7ee69217, 0x10ef377d, 0x7edff570, 0x11210907, 0x7ed94538, + 0x1152d7ed, 0x7ed28171, 0x1184a427, 0x7ecbaa1a, 0x11b66dad, 0x7ec4bf36, 0x11e83478, 0x7ebdc0c6, + 0x1219f880, 0x7eb6aeca, 0x124bb9be, 0x7eaf8943, 0x127d7829, 0x7ea85033, 0x12af33ba, 0x7ea1039b, + 0x12e0ec6a, 0x7e99a37c, 0x1312a230, 0x7e922fd6, 0x13445505, 0x7e8aa8ac, 0x137604e2, 0x7e830dff, + 0x13a7b1bf, 0x7e7b5fce, 0x13d95b93, 0x7e739e1d, 0x140b0258, 0x7e6bc8eb, 0x143ca605, 0x7e63e03b, + 0x146e4694, 0x7e5be40c, 0x149fe3fc, 0x7e53d462, 0x14d17e36, 0x7e4bb13c, 0x1503153a, 0x7e437a9c, + 0x1534a901, 0x7e3b3083, 0x15663982, 0x7e32d2f4, 0x1597c6b7, 0x7e2a61ed, 0x15c95097, 0x7e21dd73, + 0x15fad71b, 0x7e194584, 0x162c5a3b, 0x7e109a24, 0x165dd9f0, 0x7e07db52, 0x168f5632, 0x7dff0911, + 0x16c0cef9, 0x7df62362, 0x16f2443e, 0x7ded2a47, 0x1723b5f9, 0x7de41dc0, 0x17552422, 0x7ddafdce, + 0x17868eb3, 0x7dd1ca75, 0x17b7f5a3, 0x7dc883b4, 0x17e958ea, 0x7dbf298d, 0x181ab881, 0x7db5bc02, + 0x184c1461, 0x7dac3b15, 0x187d6c82, 0x7da2a6c6, 0x18aec0db, 0x7d98ff17, 0x18e01167, 0x7d8f4409, + 0x19115e1c, 0x7d85759f, 0x1942a6f3, 0x7d7b93da, 0x1973ebe6, 0x7d719eba, 0x19a52ceb, 0x7d679642, + 0x19d669fc, 0x7d5d7a74, 0x1a07a311, 0x7d534b50, 0x1a38d823, 0x7d4908d9, 0x1a6a0929, 0x7d3eb30f, + 0x1a9b361d, 0x7d3449f5, 0x1acc5ef6, 0x7d29cd8c, 0x1afd83ad, 0x7d1f3dd6, 0x1b2ea43a, 0x7d149ad5, + 0x1b5fc097, 0x7d09e489, 0x1b90d8bb, 0x7cff1af5, 0x1bc1ec9e, 0x7cf43e1a, 0x1bf2fc3a, 0x7ce94dfb, + 0x1c240786, 0x7cde4a98, 0x1c550e7c, 0x7cd333f3, 0x1c861113, 0x7cc80a0f, 0x1cb70f43, 0x7cbcccec, + 0x1ce80906, 0x7cb17c8d, 0x1d18fe54, 0x7ca618f3, 0x1d49ef26, 0x7c9aa221, 0x1d7adb73, 0x7c8f1817, + 0x1dabc334, 0x7c837ad8, 0x1ddca662, 0x7c77ca65, 0x1e0d84f5, 0x7c6c06c0, 0x1e3e5ee5, 0x7c602fec, + 0x1e6f342c, 0x7c5445e9, 0x1ea004c1, 0x7c4848ba, 0x1ed0d09d, 0x7c3c3860, 0x1f0197b8, 0x7c3014de, + 0x1f325a0b, 0x7c23de35, 0x1f63178f, 0x7c179467, 0x1f93d03c, 0x7c0b3777, 0x1fc4840a, 0x7bfec765, + 0x1ff532f2, 0x7bf24434, 0x2025dcec, 0x7be5ade6, 0x205681f1, 0x7bd9047c, 0x208721f9, 0x7bcc47fa, + 0x20b7bcfe, 0x7bbf7860, 0x20e852f6, 0x7bb295b0, 0x2118e3dc, 0x7ba59fee, 0x21496fa7, 0x7b989719, + 0x2179f64f, 0x7b8b7b36, 0x21aa77cf, 0x7b7e4c45, 0x21daf41d, 0x7b710a49, 0x220b6b32, 0x7b63b543, + 0x223bdd08, 0x7b564d36, 0x226c4996, 0x7b48d225, 0x229cb0d5, 0x7b3b4410, 0x22cd12bd, 0x7b2da2fa, + 0x22fd6f48, 0x7b1feee5, 0x232dc66d, 0x7b1227d3, 0x235e1826, 0x7b044dc7, 0x238e646a, 0x7af660c2, + 0x23beab33, 0x7ae860c7, 0x23eeec78, 0x7ada4dd8, 0x241f2833, 0x7acc27f7, 0x244f5e5c, 0x7abdef25, + 0x247f8eec, 0x7aafa367, 0x24afb9da, 0x7aa144bc, 0x24dfdf20, 0x7a92d329, 0x250ffeb7, 0x7a844eae, + 0x25401896, 0x7a75b74f, 0x25702cb7, 0x7a670d0d, 0x25a03b11, 0x7a584feb, 0x25d0439f, 0x7a497feb, + 0x26004657, 0x7a3a9d0f, 0x26304333, 0x7a2ba75a, 0x26603a2c, 0x7a1c9ece, 0x26902b39, 0x7a0d836d, + 0x26c01655, 0x79fe5539, 0x26effb76, 0x79ef1436, 0x271fda96, 0x79dfc064, 0x274fb3ae, 0x79d059c8, + 0x277f86b5, 0x79c0e062, 0x27af53a6, 0x79b15435, 0x27df1a77, 0x79a1b545, 0x280edb23, 0x79920392, + 0x283e95a1, 0x79823f20, 0x286e49ea, 0x797267f2, 0x289df7f8, 0x79627e08, 0x28cd9fc1, 0x79528167, + 0x28fd4140, 0x79427210, 0x292cdc6d, 0x79325006, 0x295c7140, 0x79221b4b, 0x298bffb2, 0x7911d3e2, + 0x29bb87bc, 0x790179cd, 0x29eb0957, 0x78f10d0f, 0x2a1a847b, 0x78e08dab, 0x2a49f920, 0x78cffba3, + 0x2a796740, 0x78bf56f9, 0x2aa8ced3, 0x78ae9fb0, 0x2ad82fd2, 0x789dd5cb, 0x2b078a36, 0x788cf94c, + 0x2b36ddf7, 0x787c0a36, 0x2b662b0e, 0x786b088c, 0x2b957173, 0x7859f44f, 0x2bc4b120, 0x7848cd83, + 0x2bf3ea0d, 0x7837942b, 0x2c231c33, 0x78264849, 0x2c52478a, 0x7814e9df, 0x2c816c0c, 0x780378f1, + 0x2cb089b1, 0x77f1f581, 0x2cdfa071, 0x77e05f91, 0x2d0eb046, 0x77ceb725, 0x2d3db928, 0x77bcfc3f, + 0x2d6cbb10, 0x77ab2ee2, 0x2d9bb5f6, 0x77994f11, 0x2dcaa9d5, 0x77875cce, 0x2df996a3, 0x7775581d, + 0x2e287c5a, 0x776340ff, 0x2e575af3, 0x77511778, 0x2e863267, 0x773edb8b, 0x2eb502ae, 0x772c8d3a, + 0x2ee3cbc1, 0x771a2c88, 0x2f128d99, 0x7707b979, 0x2f41482e, 0x76f5340e, 0x2f6ffb7a, 0x76e29c4b, + 0x2f9ea775, 0x76cff232, 0x2fcd4c19, 0x76bd35c7, 0x2ffbe95d, 0x76aa670d, 0x302a7f3a, 0x76978605, + 0x30590dab, 0x768492b4, 0x308794a6, 0x76718d1c, 0x30b61426, 0x765e7540, 0x30e48c22, 0x764b4b23, + 0x3112fc95, 0x76380ec8, 0x31416576, 0x7624c031, 0x316fc6be, 0x76115f63, 0x319e2067, 0x75fdec60, + 0x31cc7269, 0x75ea672a, 0x31fabcbd, 0x75d6cfc5, 0x3228ff5c, 0x75c32634, 0x32573a3f, 0x75af6a7b, + 0x32856d5e, 0x759b9c9b, 0x32b398b3, 0x7587bc98, 0x32e1bc36, 0x7573ca75, 0x330fd7e1, 0x755fc635, + 0x333debab, 0x754bafdc, 0x336bf78f, 0x7537876c, 0x3399fb85, 0x75234ce8, 0x33c7f785, 0x750f0054, + 0x33f5eb89, 0x74faa1b3, 0x3423d78a, 0x74e63108, 0x3451bb81, 0x74d1ae55, 0x347f9766, 0x74bd199f, + 0x34ad6b32, 0x74a872e8, 0x34db36df, 0x7493ba34, 0x3508fa66, 0x747eef85, 0x3536b5be, 0x746a12df, + 0x356468e2, 0x74552446, 0x359213c9, 0x744023bc, 0x35bfb66e, 0x742b1144, 0x35ed50c9, 0x7415ece2, + 0x361ae2d3, 0x7400b69a, 0x36486c86, 0x73eb6e6e, 0x3675edd9, 0x73d61461, 0x36a366c6, 0x73c0a878, + 0x36d0d746, 0x73ab2ab4, 0x36fe3f52, 0x73959b1b, 0x372b9ee3, 0x737ff9ae, 0x3758f5f2, 0x736a4671, + 0x37864477, 0x73548168, 0x37b38a6d, 0x733eaa96, 0x37e0c7cc, 0x7328c1ff, 0x380dfc8d, 0x7312c7a5, + 0x383b28a9, 0x72fcbb8c, 0x38684c19, 0x72e69db7, 0x389566d6, 0x72d06e2b, 0x38c278d9, 0x72ba2cea, + 0x38ef821c, 0x72a3d9f7, 0x391c8297, 0x728d7557, 0x39497a43, 0x7276ff0d, 0x39766919, 0x7260771b, + 0x39a34f13, 0x7249dd86, 0x39d02c2a, 0x72333251, 0x39fd0056, 0x721c7580, 0x3a29cb91, 0x7205a716, + 0x3a568dd4, 0x71eec716, 0x3a834717, 0x71d7d585, 0x3aaff755, 0x71c0d265, 0x3adc9e86, 0x71a9bdba, + 0x3b093ca3, 0x71929789, 0x3b35d1a5, 0x717b5fd3, 0x3b625d86, 0x7164169d, 0x3b8ee03e, 0x714cbbeb, + 0x3bbb59c7, 0x71354fc0, 0x3be7ca1a, 0x711dd220, 0x3c143130, 0x7106430e, 0x3c408f03, 0x70eea28e, + 0x3c6ce38a, 0x70d6f0a4, 0x3c992ec0, 0x70bf2d53, 0x3cc5709e, 0x70a7589f, 0x3cf1a91c, 0x708f728b, + 0x3d1dd835, 0x70777b1c, 0x3d49fde1, 0x705f7255, 0x3d761a19, 0x70475839, 0x3da22cd7, 0x702f2ccd, + 0x3dce3614, 0x7016f014, 0x3dfa35c8, 0x6ffea212, 0x3e262bee, 0x6fe642ca, 0x3e52187f, 0x6fcdd241, + 0x3e7dfb73, 0x6fb5507a, 0x3ea9d4c3, 0x6f9cbd79, 0x3ed5a46b, 0x6f841942, 0x3f016a61, 0x6f6b63d8, + 0x3f2d26a0, 0x6f529d40, 0x3f58d921, 0x6f39c57d, 0x3f8481dd, 0x6f20dc92, 0x3fb020ce, 0x6f07e285, + 0x3fdbb5ec, 0x6eeed758, 0x40074132, 0x6ed5bb10, 0x4032c297, 0x6ebc8db0, 0x405e3a16, 0x6ea34f3d, + 0x4089a7a8, 0x6e89ffb9, 0x40b50b46, 0x6e709f2a, 0x40e064ea, 0x6e572d93, 0x410bb48c, 0x6e3daaf8, + 0x4136fa27, 0x6e24175c, 0x416235b2, 0x6e0a72c5, 0x418d6729, 0x6df0bd35, 0x41b88e84, 0x6dd6f6b1, + 0x41e3abbc, 0x6dbd1f3c, 0x420ebecb, 0x6da336dc, 0x4239c7aa, 0x6d893d93, 0x4264c653, 0x6d6f3365, + 0x428fbabe, 0x6d551858, 0x42baa4e6, 0x6d3aec6e, 0x42e584c3, 0x6d20afac, 0x43105a50, 0x6d066215, + 0x433b2585, 0x6cec03af, 0x4365e65b, 0x6cd1947c, 0x43909ccd, 0x6cb71482, 0x43bb48d4, 0x6c9c83c3, + 0x43e5ea68, 0x6c81e245, 0x44108184, 0x6c67300b, 0x443b0e21, 0x6c4c6d1a, 0x44659039, 0x6c319975, + 0x449007c4, 0x6c16b521, 0x44ba74bd, 0x6bfbc021, 0x44e4d71c, 0x6be0ba7b, 0x450f2edb, 0x6bc5a431, + 0x45397bf4, 0x6baa7d49, 0x4563be60, 0x6b8f45c7, 0x458df619, 0x6b73fdae, 0x45b82318, 0x6b58a503, + 0x45e24556, 0x6b3d3bcb, 0x460c5cce, 0x6b21c208, 0x46366978, 0x6b0637c1, 0x46606b4e, 0x6aea9cf8, + 0x468a624a, 0x6acef1b2, 0x46b44e65, 0x6ab335f4, 0x46de2f99, 0x6a9769c1, 0x470805df, 0x6a7b8d1e, + 0x4731d131, 0x6a5fa010, 0x475b9188, 0x6a43a29a, 0x478546de, 0x6a2794c1, 0x47aef12c, 0x6a0b7689, + 0x47d8906d, 0x69ef47f6, 0x48022499, 0x69d3090e, 0x482badab, 0x69b6b9d3, 0x48552b9b, 0x699a5a4c, + 0x487e9e64, 0x697dea7b, 0x48a805ff, 0x69616a65, 0x48d16265, 0x6944da10, 0x48fab391, 0x6928397e, + 0x4923f97b, 0x690b88b5, 0x494d341e, 0x68eec7b9, 0x49766373, 0x68d1f68f, 0x499f8774, 0x68b5153a, + 0x49c8a01b, 0x689823bf, 0x49f1ad61, 0x687b2224, 0x4a1aaf3f, 0x685e106c, 0x4a43a5b0, 0x6840ee9b, + 0x4a6c90ad, 0x6823bcb7, 0x4a957030, 0x68067ac3, 0x4abe4433, 0x67e928c5, 0x4ae70caf, 0x67cbc6c0, + 0x4b0fc99d, 0x67ae54ba, 0x4b387af9, 0x6790d2b6, 0x4b6120bb, 0x677340ba, 0x4b89badd, 0x67559eca, + 0x4bb24958, 0x6737ecea, 0x4bdacc28, 0x671a2b20, 0x4c034345, 0x66fc596f, 0x4c2baea9, 0x66de77dc, + 0x4c540e4e, 0x66c0866d, 0x4c7c622d, 0x66a28524, 0x4ca4aa41, 0x66847408, 0x4ccce684, 0x6666531d, + 0x4cf516ee, 0x66482267, 0x4d1d3b7a, 0x6629e1ec, 0x4d455422, 0x660b91af, 0x4d6d60df, 0x65ed31b5, + 0x4d9561ac, 0x65cec204, 0x4dbd5682, 0x65b0429f, 0x4de53f5a, 0x6591b38c, 0x4e0d1c30, 0x657314cf, + 0x4e34ecfc, 0x6554666d, 0x4e5cb1b9, 0x6535a86b, 0x4e846a60, 0x6516dacd, 0x4eac16eb, 0x64f7fd98, + 0x4ed3b755, 0x64d910d1, 0x4efb4b96, 0x64ba147d, 0x4f22d3aa, 0x649b08a0, 0x4f4a4f89, 0x647bed3f, + 0x4f71bf2e, 0x645cc260, 0x4f992293, 0x643d8806, 0x4fc079b1, 0x641e3e38, 0x4fe7c483, 0x63fee4f8, + 0x500f0302, 0x63df7c4d, 0x50363529, 0x63c0043b, 0x505d5af1, 0x63a07cc7, 0x50847454, 0x6380e5f6, + 0x50ab814d, 0x63613fcd, 0x50d281d5, 0x63418a50, 0x50f975e6, 0x6321c585, 0x51205d7b, 0x6301f171, + 0x5147388c, 0x62e20e17, 0x516e0715, 0x62c21b7e, 0x5194c910, 0x62a219aa, 0x51bb7e75, 0x628208a1, + 0x51e22740, 0x6261e866, 0x5208c36a, 0x6241b8ff, 0x522f52ee, 0x62217a72, 0x5255d5c5, 0x62012cc2, + 0x527c4bea, 0x61e0cff5, 0x52a2b556, 0x61c06410, 0x52c91204, 0x619fe918, 0x52ef61ee, 0x617f5f12, + 0x5315a50e, 0x615ec603, 0x533bdb5d, 0x613e1df0, 0x536204d7, 0x611d66de, 0x53882175, 0x60fca0d2, + 0x53ae3131, 0x60dbcbd1, 0x53d43406, 0x60bae7e1, 0x53fa29ed, 0x6099f505, 0x542012e1, 0x6078f344, + 0x5445eedb, 0x6057e2a2, 0x546bbdd7, 0x6036c325, 0x54917fce, 0x601594d1, 0x54b734ba, 0x5ff457ad, + 0x54dcdc96, 0x5fd30bbc, 0x5502775c, 0x5fb1b104, 0x55280505, 0x5f90478a, 0x554d858d, 0x5f6ecf53, + 0x5572f8ed, 0x5f4d4865, 0x55985f20, 0x5f2bb2c5, 0x55bdb81f, 0x5f0a0e77, 0x55e303e6, 0x5ee85b82, + 0x5608426e, 0x5ec699e9, 0x562d73b2, 0x5ea4c9b3, 0x565297ab, 0x5e82eae5, 0x5677ae54, 0x5e60fd84, + 0x569cb7a8, 0x5e3f0194, 0x56c1b3a1, 0x5e1cf71c, 0x56e6a239, 0x5dfade20, 0x570b8369, 0x5dd8b6a7, + 0x5730572e, 0x5db680b4, 0x57551d80, 0x5d943c4e, 0x5779d65b, 0x5d71e979, 0x579e81b8, 0x5d4f883b, + 0x57c31f92, 0x5d2d189a, 0x57e7afe4, 0x5d0a9a9a, 0x580c32a7, 0x5ce80e41, 0x5830a7d6, 0x5cc57394, + 0x58550f6c, 0x5ca2ca99, 0x58796962, 0x5c801354, 0x589db5b3, 0x5c5d4dcc, 0x58c1f45b, 0x5c3a7a05, + 0x58e62552, 0x5c179806, 0x590a4893, 0x5bf4a7d2, 0x592e5e19, 0x5bd1a971, 0x595265df, 0x5bae9ce7, + 0x59765fde, 0x5b8b8239, 0x599a4c12, 0x5b68596d, 0x59be2a74, 0x5b452288, 0x59e1faff, 0x5b21dd90, + 0x5a05bdae, 0x5afe8a8b, 0x5a29727b, 0x5adb297d, 0x5a4d1960, 0x5ab7ba6c, 0x5a70b258, 0x5a943d5e, +}; + +const int kbdWindowOffset[NUM_IMDCT_SIZES] = {0, 128}; + +/* Synthesis window - KBD + * format = Q31 for nmdct = [128, 1024] + * reordered for sequential access + * + * aacScaleFact = -sqrt(1.0 / (2.0 * nmdct)); + * for (i = 0; i < nmdct/2; i++) { + * x = kbdWindowRef[i] * aacScaleFact; + * x = kbdWindowRef[nmdct - 1 - i] * aacScaleFact; + * } + * Note: see below for code to generate kbdWindowRef[] + */ +const int kbdWindow[128 + 1024] = { + /* 128 - format = Q31 * 2^0 */ + 0x00016f63, 0x7ffffffe, 0x0003e382, 0x7ffffff1, 0x00078f64, 0x7fffffc7, 0x000cc323, 0x7fffff5d, + 0x0013d9ed, 0x7ffffe76, 0x001d3a9d, 0x7ffffcaa, 0x0029581f, 0x7ffff953, 0x0038b1bd, 0x7ffff372, + 0x004bd34d, 0x7fffe98b, 0x00635538, 0x7fffd975, 0x007fdc64, 0x7fffc024, 0x00a219f1, 0x7fff995b, + 0x00cacad0, 0x7fff5f5b, 0x00fab72d, 0x7fff0a75, 0x0132b1af, 0x7ffe9091, 0x01739689, 0x7ffde49e, + 0x01be4a63, 0x7ffcf5ef, 0x0213b910, 0x7ffbaf84, 0x0274d41e, 0x7ff9f73a, 0x02e2913a, 0x7ff7acf1, + 0x035de86c, 0x7ff4a99a, 0x03e7d233, 0x7ff0be3d, 0x0481457c, 0x7febb2f1, 0x052b357c, 0x7fe545d4, + 0x05e68f77, 0x7fdd2a02, 0x06b4386f, 0x7fd30695, 0x07950acb, 0x7fc675b4, 0x0889d3ef, 0x7fb703be, + 0x099351e0, 0x7fa42e89, 0x0ab230e0, 0x7f8d64d8, 0x0be70923, 0x7f7205f8, 0x0d325c93, 0x7f516195, + 0x0e9494ae, 0x7f2ab7d0, 0x100e0085, 0x7efd3997, 0x119ed2ef, 0x7ec8094a, 0x134720d8, 0x7e8a3ba7, + 0x1506dfdc, 0x7e42d906, 0x16dde50b, 0x7df0dee4, 0x18cbe3f7, 0x7d9341b4, 0x1ad06e07, 0x7d28ef02, + 0x1ceaf215, 0x7cb0cfcc, 0x1f1abc4f, 0x7c29cb20, 0x215ef677, 0x7b92c8eb, 0x23b6a867, 0x7aeab4ec, + 0x2620b8ec, 0x7a3081d0, 0x289beef5, 0x79632c5a, 0x2b26f30b, 0x7881be95, 0x2dc0511f, 0x778b5304, + 0x30667aa2, 0x767f17c0, 0x3317c8dd, 0x755c5178, 0x35d27f98, 0x74225e50, 0x3894cff3, 0x72d0b887, + 0x3b5cdb7b, 0x7166f8e7, 0x3e28b770, 0x6fe4d8e8, 0x40f6702a, 0x6e4a3491, 0x43c40caa, 0x6c970bfc, + 0x468f9231, 0x6acb8483, 0x495707f5, 0x68e7e994, 0x4c187ac7, 0x66ecad1c, 0x4ed200c5, 0x64da6797, + 0x5181bcea, 0x62b1d7b7, 0x5425e28e, 0x6073e1ae, 0x56bcb8c2, 0x5e218e16, 0x59449d76, 0x5bbc0875, + /* 1024 - format = Q31 * 2^0 */ + 0x0009962f, 0x7fffffa4, 0x000e16fb, 0x7fffff39, 0x0011ea65, 0x7ffffebf, 0x0015750e, 0x7ffffe34, + 0x0018dc74, 0x7ffffd96, 0x001c332e, 0x7ffffce5, 0x001f83f5, 0x7ffffc1f, 0x0022d59a, 0x7ffffb43, + 0x00262cc2, 0x7ffffa4f, 0x00298cc4, 0x7ffff942, 0x002cf81f, 0x7ffff81a, 0x003070c4, 0x7ffff6d6, + 0x0033f840, 0x7ffff573, 0x00378fd9, 0x7ffff3f1, 0x003b38a1, 0x7ffff24d, 0x003ef381, 0x7ffff085, + 0x0042c147, 0x7fffee98, 0x0046a2a8, 0x7fffec83, 0x004a9847, 0x7fffea44, 0x004ea2b7, 0x7fffe7d8, + 0x0052c283, 0x7fffe53f, 0x0056f829, 0x7fffe274, 0x005b4422, 0x7fffdf76, 0x005fa6dd, 0x7fffdc43, + 0x006420c8, 0x7fffd8d6, 0x0068b249, 0x7fffd52f, 0x006d5bc4, 0x7fffd149, 0x00721d9a, 0x7fffcd22, + 0x0076f828, 0x7fffc8b6, 0x007bebca, 0x7fffc404, 0x0080f8d9, 0x7fffbf06, 0x00861fae, 0x7fffb9bb, + 0x008b609e, 0x7fffb41e, 0x0090bbff, 0x7fffae2c, 0x00963224, 0x7fffa7e1, 0x009bc362, 0x7fffa13a, + 0x00a17009, 0x7fff9a32, 0x00a7386c, 0x7fff92c5, 0x00ad1cdc, 0x7fff8af0, 0x00b31da8, 0x7fff82ad, + 0x00b93b21, 0x7fff79f9, 0x00bf7596, 0x7fff70cf, 0x00c5cd57, 0x7fff672a, 0x00cc42b1, 0x7fff5d05, + 0x00d2d5f3, 0x7fff525c, 0x00d9876c, 0x7fff4729, 0x00e05769, 0x7fff3b66, 0x00e74638, 0x7fff2f10, + 0x00ee5426, 0x7fff221f, 0x00f58182, 0x7fff148e, 0x00fcce97, 0x7fff0658, 0x01043bb3, 0x7ffef776, + 0x010bc923, 0x7ffee7e2, 0x01137733, 0x7ffed795, 0x011b4631, 0x7ffec68a, 0x01233669, 0x7ffeb4ba, + 0x012b4827, 0x7ffea21d, 0x01337bb8, 0x7ffe8eac, 0x013bd167, 0x7ffe7a61, 0x01444982, 0x7ffe6533, + 0x014ce454, 0x7ffe4f1c, 0x0155a229, 0x7ffe3813, 0x015e834d, 0x7ffe2011, 0x0167880c, 0x7ffe070d, + 0x0170b0b2, 0x7ffdecff, 0x0179fd8b, 0x7ffdd1df, 0x01836ee1, 0x7ffdb5a2, 0x018d0500, 0x7ffd9842, + 0x0196c035, 0x7ffd79b3, 0x01a0a0ca, 0x7ffd59ee, 0x01aaa70a, 0x7ffd38e8, 0x01b4d341, 0x7ffd1697, + 0x01bf25b9, 0x7ffcf2f2, 0x01c99ebd, 0x7ffccdee, 0x01d43e99, 0x7ffca780, 0x01df0597, 0x7ffc7f9e, + 0x01e9f401, 0x7ffc563d, 0x01f50a22, 0x7ffc2b51, 0x02004844, 0x7ffbfecf, 0x020baeb1, 0x7ffbd0ab, + 0x02173db4, 0x7ffba0da, 0x0222f596, 0x7ffb6f4f, 0x022ed6a1, 0x7ffb3bfd, 0x023ae11f, 0x7ffb06d8, + 0x02471558, 0x7ffacfd3, 0x02537397, 0x7ffa96e0, 0x025ffc25, 0x7ffa5bf2, 0x026caf4a, 0x7ffa1efc, + 0x02798d4f, 0x7ff9dfee, 0x0286967c, 0x7ff99ebb, 0x0293cb1b, 0x7ff95b55, 0x02a12b72, 0x7ff915ab, + 0x02aeb7cb, 0x7ff8cdaf, 0x02bc706d, 0x7ff88351, 0x02ca559f, 0x7ff83682, 0x02d867a9, 0x7ff7e731, + 0x02e6a6d2, 0x7ff7954e, 0x02f51361, 0x7ff740c8, 0x0303ad9c, 0x7ff6e98e, 0x031275ca, 0x7ff68f8f, + 0x03216c30, 0x7ff632ba, 0x03309116, 0x7ff5d2fb, 0x033fe4bf, 0x7ff57042, 0x034f6773, 0x7ff50a7a, + 0x035f1975, 0x7ff4a192, 0x036efb0a, 0x7ff43576, 0x037f0c78, 0x7ff3c612, 0x038f4e02, 0x7ff35353, + 0x039fbfeb, 0x7ff2dd24, 0x03b06279, 0x7ff26370, 0x03c135ed, 0x7ff1e623, 0x03d23a8b, 0x7ff16527, + 0x03e37095, 0x7ff0e067, 0x03f4d84e, 0x7ff057cc, 0x040671f7, 0x7fefcb40, 0x04183dd3, 0x7fef3aad, + 0x042a3c22, 0x7feea5fa, 0x043c6d25, 0x7fee0d11, 0x044ed11d, 0x7fed6fda, 0x04616849, 0x7fecce3d, + 0x047432eb, 0x7fec2821, 0x04873140, 0x7feb7d6c, 0x049a6388, 0x7feace07, 0x04adca01, 0x7fea19d6, + 0x04c164ea, 0x7fe960c0, 0x04d53481, 0x7fe8a2aa, 0x04e93902, 0x7fe7df79, 0x04fd72aa, 0x7fe71712, + 0x0511e1b6, 0x7fe6495a, 0x05268663, 0x7fe57634, 0x053b60eb, 0x7fe49d83, 0x05507189, 0x7fe3bf2b, + 0x0565b879, 0x7fe2db0f, 0x057b35f4, 0x7fe1f110, 0x0590ea35, 0x7fe10111, 0x05a6d574, 0x7fe00af3, + 0x05bcf7ea, 0x7fdf0e97, 0x05d351cf, 0x7fde0bdd, 0x05e9e35c, 0x7fdd02a6, 0x0600acc8, 0x7fdbf2d2, + 0x0617ae48, 0x7fdadc40, 0x062ee814, 0x7fd9becf, 0x06465a62, 0x7fd89a5e, 0x065e0565, 0x7fd76eca, + 0x0675e954, 0x7fd63bf1, 0x068e0662, 0x7fd501b0, 0x06a65cc3, 0x7fd3bfe4, 0x06beecaa, 0x7fd2766a, + 0x06d7b648, 0x7fd1251e, 0x06f0b9d1, 0x7fcfcbda, 0x0709f775, 0x7fce6a7a, 0x07236f65, 0x7fcd00d8, + 0x073d21d2, 0x7fcb8ecf, 0x07570eea, 0x7fca1439, 0x077136dd, 0x7fc890ed, 0x078b99da, 0x7fc704c7, + 0x07a6380d, 0x7fc56f9d, 0x07c111a4, 0x7fc3d147, 0x07dc26cc, 0x7fc2299e, 0x07f777b1, 0x7fc07878, + 0x0813047d, 0x7fbebdac, 0x082ecd5b, 0x7fbcf90f, 0x084ad276, 0x7fbb2a78, 0x086713f7, 0x7fb951bc, + 0x08839206, 0x7fb76eaf, 0x08a04ccb, 0x7fb58126, 0x08bd446e, 0x7fb388f4, 0x08da7915, 0x7fb185ee, + 0x08f7eae7, 0x7faf77e5, 0x09159a09, 0x7fad5ead, 0x0933869f, 0x7fab3a17, 0x0951b0cd, 0x7fa909f6, + 0x097018b7, 0x7fa6ce1a, 0x098ebe7f, 0x7fa48653, 0x09ada248, 0x7fa23273, 0x09ccc431, 0x7f9fd249, + 0x09ec245b, 0x7f9d65a4, 0x0a0bc2e7, 0x7f9aec53, 0x0a2b9ff3, 0x7f986625, 0x0a4bbb9e, 0x7f95d2e7, + 0x0a6c1604, 0x7f933267, 0x0a8caf43, 0x7f908472, 0x0aad8776, 0x7f8dc8d5, 0x0ace9eb9, 0x7f8aff5c, + 0x0aeff526, 0x7f8827d3, 0x0b118ad8, 0x7f854204, 0x0b335fe6, 0x7f824dbb, 0x0b557469, 0x7f7f4ac3, + 0x0b77c879, 0x7f7c38e4, 0x0b9a5c2b, 0x7f7917e9, 0x0bbd2f97, 0x7f75e79b, 0x0be042d0, 0x7f72a7c3, + 0x0c0395ec, 0x7f6f5828, 0x0c2728fd, 0x7f6bf892, 0x0c4afc16, 0x7f6888c9, 0x0c6f0f4a, 0x7f650894, + 0x0c9362a8, 0x7f6177b9, 0x0cb7f642, 0x7f5dd5ff, 0x0cdcca26, 0x7f5a232a, 0x0d01de63, 0x7f565f00, + 0x0d273307, 0x7f528947, 0x0d4cc81f, 0x7f4ea1c2, 0x0d729db7, 0x7f4aa835, 0x0d98b3da, 0x7f469c65, + 0x0dbf0a92, 0x7f427e13, 0x0de5a1e9, 0x7f3e4d04, 0x0e0c79e7, 0x7f3a08f9, 0x0e339295, 0x7f35b1b4, + 0x0e5aebfa, 0x7f3146f8, 0x0e82861a, 0x7f2cc884, 0x0eaa60fd, 0x7f28361b, 0x0ed27ca5, 0x7f238f7c, + 0x0efad917, 0x7f1ed467, 0x0f237656, 0x7f1a049d, 0x0f4c5462, 0x7f151fdc, 0x0f75733d, 0x7f1025e3, + 0x0f9ed2e6, 0x7f0b1672, 0x0fc8735e, 0x7f05f146, 0x0ff254a1, 0x7f00b61d, 0x101c76ae, 0x7efb64b4, + 0x1046d981, 0x7ef5fcca, 0x10717d15, 0x7ef07e19, 0x109c6165, 0x7eeae860, 0x10c7866a, 0x7ee53b5b, + 0x10f2ec1e, 0x7edf76c4, 0x111e9279, 0x7ed99a58, 0x114a7971, 0x7ed3a5d1, 0x1176a0fc, 0x7ecd98eb, + 0x11a30910, 0x7ec77360, 0x11cfb1a1, 0x7ec134eb, 0x11fc9aa2, 0x7ebadd44, 0x1229c406, 0x7eb46c27, + 0x12572dbf, 0x7eade14c, 0x1284d7bc, 0x7ea73c6c, 0x12b2c1ed, 0x7ea07d41, 0x12e0ec42, 0x7e99a382, + 0x130f56a8, 0x7e92aee7, 0x133e010b, 0x7e8b9f2a, 0x136ceb59, 0x7e847402, 0x139c157b, 0x7e7d2d25, + 0x13cb7f5d, 0x7e75ca4c, 0x13fb28e6, 0x7e6e4b2d, 0x142b1200, 0x7e66af7f, 0x145b3a92, 0x7e5ef6f8, + 0x148ba281, 0x7e572150, 0x14bc49b4, 0x7e4f2e3b, 0x14ed300f, 0x7e471d70, 0x151e5575, 0x7e3eeea5, + 0x154fb9c9, 0x7e36a18e, 0x15815ced, 0x7e2e35e2, 0x15b33ec1, 0x7e25ab56, 0x15e55f25, 0x7e1d019e, + 0x1617bdf9, 0x7e14386e, 0x164a5b19, 0x7e0b4f7d, 0x167d3662, 0x7e02467e, 0x16b04fb2, 0x7df91d25, + 0x16e3a6e2, 0x7defd327, 0x17173bce, 0x7de66837, 0x174b0e4d, 0x7ddcdc0a, 0x177f1e39, 0x7dd32e53, + 0x17b36b69, 0x7dc95ec6, 0x17e7f5b3, 0x7dbf6d17, 0x181cbcec, 0x7db558f9, 0x1851c0e9, 0x7dab221f, + 0x1887017d, 0x7da0c83c, 0x18bc7e7c, 0x7d964b05, 0x18f237b6, 0x7d8baa2b, 0x19282cfd, 0x7d80e563, + 0x195e5e20, 0x7d75fc5e, 0x1994caee, 0x7d6aeed0, 0x19cb7335, 0x7d5fbc6d, 0x1a0256c2, 0x7d5464e6, + 0x1a397561, 0x7d48e7ef, 0x1a70cede, 0x7d3d453b, 0x1aa86301, 0x7d317c7c, 0x1ae03195, 0x7d258d65, + 0x1b183a63, 0x7d1977aa, 0x1b507d30, 0x7d0d3afc, 0x1b88f9c5, 0x7d00d710, 0x1bc1afe6, 0x7cf44b97, + 0x1bfa9f58, 0x7ce79846, 0x1c33c7e0, 0x7cdabcce, 0x1c6d293f, 0x7ccdb8e4, 0x1ca6c337, 0x7cc08c39, + 0x1ce0958a, 0x7cb33682, 0x1d1a9ff8, 0x7ca5b772, 0x1d54e240, 0x7c980ebd, 0x1d8f5c21, 0x7c8a3c14, + 0x1dca0d56, 0x7c7c3f2e, 0x1e04f59f, 0x7c6e17bc, 0x1e4014b4, 0x7c5fc573, 0x1e7b6a53, 0x7c514807, + 0x1eb6f633, 0x7c429f2c, 0x1ef2b80f, 0x7c33ca96, 0x1f2eaf9e, 0x7c24c9fa, 0x1f6adc98, 0x7c159d0d, + 0x1fa73eb2, 0x7c064383, 0x1fe3d5a3, 0x7bf6bd11, 0x2020a11e, 0x7be7096c, 0x205da0d8, 0x7bd7284a, + 0x209ad483, 0x7bc71960, 0x20d83bd1, 0x7bb6dc65, 0x2115d674, 0x7ba6710d, 0x2153a41b, 0x7b95d710, + 0x2191a476, 0x7b850e24, 0x21cfd734, 0x7b7415ff, 0x220e3c02, 0x7b62ee59, 0x224cd28d, 0x7b5196e9, + 0x228b9a82, 0x7b400f67, 0x22ca938a, 0x7b2e578a, 0x2309bd52, 0x7b1c6f0b, 0x23491783, 0x7b0a55a1, + 0x2388a1c4, 0x7af80b07, 0x23c85bbf, 0x7ae58ef5, 0x2408451a, 0x7ad2e124, 0x24485d7c, 0x7ac0014e, + 0x2488a48a, 0x7aacef2e, 0x24c919e9, 0x7a99aa7e, 0x2509bd3d, 0x7a8632f8, 0x254a8e29, 0x7a728858, + 0x258b8c50, 0x7a5eaa5a, 0x25ccb753, 0x7a4a98b9, 0x260e0ed3, 0x7a365333, 0x264f9271, 0x7a21d983, + 0x269141cb, 0x7a0d2b68, 0x26d31c80, 0x79f8489e, 0x2715222f, 0x79e330e4, 0x27575273, 0x79cde3f8, + 0x2799acea, 0x79b8619a, 0x27dc3130, 0x79a2a989, 0x281ededf, 0x798cbb85, 0x2861b591, 0x7976974e, + 0x28a4b4e0, 0x79603ca5, 0x28e7dc65, 0x7949ab4c, 0x292b2bb8, 0x7932e304, 0x296ea270, 0x791be390, + 0x29b24024, 0x7904acb3, 0x29f6046b, 0x78ed3e30, 0x2a39eed8, 0x78d597cc, 0x2a7dff02, 0x78bdb94a, + 0x2ac2347c, 0x78a5a270, 0x2b068eda, 0x788d5304, 0x2b4b0dae, 0x7874cacb, 0x2b8fb08a, 0x785c098d, + 0x2bd47700, 0x78430f11, 0x2c1960a1, 0x7829db1f, 0x2c5e6cfd, 0x78106d7f, 0x2ca39ba3, 0x77f6c5fb, + 0x2ce8ec23, 0x77dce45c, 0x2d2e5e0b, 0x77c2c86e, 0x2d73f0e8, 0x77a871fa, 0x2db9a449, 0x778de0cd, + 0x2dff77b8, 0x777314b2, 0x2e456ac4, 0x77580d78, 0x2e8b7cf6, 0x773ccaeb, 0x2ed1addb, 0x77214cdb, + 0x2f17fcfb, 0x77059315, 0x2f5e69e2, 0x76e99d69, 0x2fa4f419, 0x76cd6ba9, 0x2feb9b27, 0x76b0fda4, + 0x30325e96, 0x7694532e, 0x30793dee, 0x76776c17, 0x30c038b5, 0x765a4834, 0x31074e72, 0x763ce759, + 0x314e7eab, 0x761f4959, 0x3195c8e6, 0x76016e0b, 0x31dd2ca9, 0x75e35545, 0x3224a979, 0x75c4fedc, + 0x326c3ed8, 0x75a66aab, 0x32b3ec4d, 0x75879887, 0x32fbb159, 0x7568884b, 0x33438d81, 0x754939d1, + 0x338b8045, 0x7529acf4, 0x33d3892a, 0x7509e18e, 0x341ba7b1, 0x74e9d77d, 0x3463db5a, 0x74c98e9e, + 0x34ac23a7, 0x74a906cd, 0x34f48019, 0x74883fec, 0x353cf02f, 0x746739d8, 0x3585736a, 0x7445f472, + 0x35ce0949, 0x74246f9c, 0x3616b14c, 0x7402ab37, 0x365f6af0, 0x73e0a727, 0x36a835b5, 0x73be6350, + 0x36f11118, 0x739bdf95, 0x3739fc98, 0x73791bdd, 0x3782f7b2, 0x7356180e, 0x37cc01e3, 0x7332d410, + 0x38151aa8, 0x730f4fc9, 0x385e417e, 0x72eb8b24, 0x38a775e1, 0x72c7860a, 0x38f0b74d, 0x72a34066, + 0x393a053e, 0x727eba24, 0x39835f30, 0x7259f331, 0x39ccc49e, 0x7234eb79, 0x3a163503, 0x720fa2eb, + 0x3a5fafda, 0x71ea1977, 0x3aa9349e, 0x71c44f0c, 0x3af2c2ca, 0x719e439d, 0x3b3c59d7, 0x7177f71a, + 0x3b85f940, 0x71516978, 0x3bcfa07e, 0x712a9aaa, 0x3c194f0d, 0x71038aa4, 0x3c630464, 0x70dc395e, + 0x3cacbfff, 0x70b4a6cd, 0x3cf68155, 0x708cd2e9, 0x3d4047e1, 0x7064bdab, 0x3d8a131c, 0x703c670d, + 0x3dd3e27e, 0x7013cf0a, 0x3e1db580, 0x6feaf59c, 0x3e678b9b, 0x6fc1dac1, 0x3eb16449, 0x6f987e76, + 0x3efb3f01, 0x6f6ee0b9, 0x3f451b3d, 0x6f45018b, 0x3f8ef874, 0x6f1ae0eb, 0x3fd8d620, 0x6ef07edb, + 0x4022b3b9, 0x6ec5db5d, 0x406c90b7, 0x6e9af675, 0x40b66c93, 0x6e6fd027, 0x410046c5, 0x6e446879, + 0x414a1ec6, 0x6e18bf71, 0x4193f40d, 0x6decd517, 0x41ddc615, 0x6dc0a972, 0x42279455, 0x6d943c8d, + 0x42715e45, 0x6d678e71, 0x42bb235f, 0x6d3a9f2a, 0x4304e31a, 0x6d0d6ec5, 0x434e9cf1, 0x6cdffd4f, + 0x4398505b, 0x6cb24ad6, 0x43e1fcd1, 0x6c84576b, 0x442ba1cd, 0x6c56231c, 0x44753ec7, 0x6c27adfd, + 0x44bed33a, 0x6bf8f81e, 0x45085e9d, 0x6bca0195, 0x4551e06b, 0x6b9aca75, 0x459b581e, 0x6b6b52d5, + 0x45e4c52f, 0x6b3b9ac9, 0x462e2717, 0x6b0ba26b, 0x46777d52, 0x6adb69d3, 0x46c0c75a, 0x6aaaf11b, + 0x470a04a9, 0x6a7a385c, 0x475334b9, 0x6a493fb3, 0x479c5707, 0x6a18073d, 0x47e56b0c, 0x69e68f17, + 0x482e7045, 0x69b4d761, 0x4877662c, 0x6982e039, 0x48c04c3f, 0x6950a9c0, 0x490921f8, 0x691e341a, + 0x4951e6d5, 0x68eb7f67, 0x499a9a51, 0x68b88bcd, 0x49e33beb, 0x68855970, 0x4a2bcb1f, 0x6851e875, + 0x4a74476b, 0x681e3905, 0x4abcb04c, 0x67ea4b47, 0x4b050541, 0x67b61f63, 0x4b4d45c9, 0x6781b585, + 0x4b957162, 0x674d0dd6, 0x4bdd878c, 0x67182883, 0x4c2587c6, 0x66e305b8, 0x4c6d7190, 0x66ada5a5, + 0x4cb5446a, 0x66780878, 0x4cfcffd5, 0x66422e60, 0x4d44a353, 0x660c1790, 0x4d8c2e64, 0x65d5c439, + 0x4dd3a08c, 0x659f348e, 0x4e1af94b, 0x656868c3, 0x4e623825, 0x6531610d, 0x4ea95c9d, 0x64fa1da3, + 0x4ef06637, 0x64c29ebb, 0x4f375477, 0x648ae48d, 0x4f7e26e1, 0x6452ef53, 0x4fc4dcfb, 0x641abf46, + 0x500b7649, 0x63e254a2, 0x5051f253, 0x63a9afa2, 0x5098509f, 0x6370d083, 0x50de90b3, 0x6337b784, + 0x5124b218, 0x62fe64e3, 0x516ab455, 0x62c4d8e0, 0x51b096f3, 0x628b13bc, 0x51f6597b, 0x625115b8, + 0x523bfb78, 0x6216df18, 0x52817c72, 0x61dc701f, 0x52c6dbf5, 0x61a1c912, 0x530c198d, 0x6166ea36, + 0x535134c5, 0x612bd3d2, 0x53962d2a, 0x60f0862d, 0x53db024a, 0x60b50190, 0x541fb3b1, 0x60794644, + 0x546440ef, 0x603d5494, 0x54a8a992, 0x60012cca, 0x54eced2b, 0x5fc4cf33, 0x55310b48, 0x5f883c1c, + 0x5575037c, 0x5f4b73d2, 0x55b8d558, 0x5f0e76a5, 0x55fc806f, 0x5ed144e5, 0x56400452, 0x5e93dee1, + 0x56836096, 0x5e5644ec, 0x56c694cf, 0x5e187757, 0x5709a092, 0x5dda7677, 0x574c8374, 0x5d9c429f, + 0x578f3d0d, 0x5d5ddc24, 0x57d1ccf2, 0x5d1f435d, 0x581432bd, 0x5ce078a0, 0x58566e04, 0x5ca17c45, + 0x58987e63, 0x5c624ea4, 0x58da6372, 0x5c22f016, 0x591c1ccc, 0x5be360f6, 0x595daa0d, 0x5ba3a19f, + 0x599f0ad1, 0x5b63b26c, 0x59e03eb6, 0x5b2393ba, 0x5a214558, 0x5ae345e7, 0x5a621e56, 0x5aa2c951, +}; + + + +/* bit reverse tables for FFT */ + +const int bitrevtabOffset[NUM_IMDCT_SIZES] = {0, 17}; + +const unsigned char bitrevtab[17 + 129] = { + /* nfft = 64 */ + 0x01, 0x08, 0x02, 0x04, 0x03, 0x0c, 0x05, 0x0a, 0x07, 0x0e, 0x0b, 0x0d, 0x00, 0x06, 0x09, 0x0f, + 0x00, + + /* nfft = 512 */ + 0x01, 0x40, 0x02, 0x20, 0x03, 0x60, 0x04, 0x10, 0x05, 0x50, 0x06, 0x30, 0x07, 0x70, 0x09, 0x48, + 0x0a, 0x28, 0x0b, 0x68, 0x0c, 0x18, 0x0d, 0x58, 0x0e, 0x38, 0x0f, 0x78, 0x11, 0x44, 0x12, 0x24, + 0x13, 0x64, 0x15, 0x54, 0x16, 0x34, 0x17, 0x74, 0x19, 0x4c, 0x1a, 0x2c, 0x1b, 0x6c, 0x1d, 0x5c, + 0x1e, 0x3c, 0x1f, 0x7c, 0x21, 0x42, 0x23, 0x62, 0x25, 0x52, 0x26, 0x32, 0x27, 0x72, 0x29, 0x4a, + 0x2b, 0x6a, 0x2d, 0x5a, 0x2e, 0x3a, 0x2f, 0x7a, 0x31, 0x46, 0x33, 0x66, 0x35, 0x56, 0x37, 0x76, + 0x39, 0x4e, 0x3b, 0x6e, 0x3d, 0x5e, 0x3f, 0x7e, 0x43, 0x61, 0x45, 0x51, 0x47, 0x71, 0x4b, 0x69, + 0x4d, 0x59, 0x4f, 0x79, 0x53, 0x65, 0x57, 0x75, 0x5b, 0x6d, 0x5f, 0x7d, 0x67, 0x73, 0x6f, 0x7b, + 0x00, 0x08, 0x14, 0x1c, 0x22, 0x2a, 0x36, 0x3e, 0x41, 0x49, 0x55, 0x5d, 0x63, 0x6b, 0x77, 0x7f, + 0x00, + +}; + +const unsigned char uniqueIDTab[8] = {0x5f, 0x4b, 0x43, 0x5f, 0x5f, 0x4a, 0x52, 0x5f}; + +/* Twiddle tables for FFT + * format = Q30 + * + * for (k = 4; k <= N/4; k <<= 1) { + * for (j = 0; j < k; j++) { + * double wr1, wi1, wr2, wi2, wr3, wi3; + * + * wr1 = cos(1.0 * M_PI * j / (2*k)); + * wi1 = sin(1.0 * M_PI * j / (2*k)); + * wr1 = (wr1 + wi1); + * wi1 = -wi1; + * + * wr2 = cos(2.0 * M_PI * j / (2*k)); + * wi2 = sin(2.0 * M_PI * j / (2*k)); + * wr2 = (wr2 + wi2); + * wi2 = -wi2; + * + * wr3 = cos(3.0 * M_PI * j / (2*k)); + * wi3 = sin(3.0 * M_PI * j / (2*k)); + * wr3 = (wr3 + wi3); + * wi3 = -wi3; + * + * if (k & 0xaaaaaaaa) { + * w_odd[iodd++] = (float)wr2; + * w_odd[iodd++] = (float)wi2; + * w_odd[iodd++] = (float)wr1; + * w_odd[iodd++] = (float)wi1; + * w_odd[iodd++] = (float)wr3; + * w_odd[iodd++] = (float)wi3; + * } else { + * w_even[ieven++] = (float)wr2; + * w_even[ieven++] = (float)wi2; + * w_even[ieven++] = (float)wr1; + * w_even[ieven++] = (float)wi1; + * w_even[ieven++] = (float)wr3; + * w_even[ieven++] = (float)wi3; + * } + * } + * } + */ +const int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6] = { + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x539eba45, 0xe7821d59, + 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, + 0x539eba45, 0xc4df2862, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x22a2f4f8, 0xc4df2862, + 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, + 0xac6145bb, 0x187de2a7, 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x45f704f7, 0xf9ba1651, + 0x43103085, 0xfcdc1342, 0x48b2b335, 0xf69bf7c9, 0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, + 0x4fd288dc, 0xed6bf9d1, 0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, 0x553805f2, 0xe4a2eff6, + 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x569cc31b, 0xe1d4a2c8, + 0x4da1fab5, 0xf0730342, 0x5a6690ae, 0xd5052d97, 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, + 0x5a12e720, 0xce86ff2a, 0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, 0x57cc15bc, 0xc91af976, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a12e720, 0xce86ff2a, + 0x553805f2, 0xe4a2eff6, 0x4da1fab5, 0xc1eb0209, 0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, + 0x45f704f7, 0xc04ee4b8, 0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, 0x3cc85709, 0xc013bc39, + 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x4fd288dc, 0xc2c17d52, + 0x5987b08a, 0xd9e01006, 0x26b2a794, 0xc3bdbdf6, 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, + 0x1a4608ab, 0xc78e9a1d, 0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, 0x0d47d096, 0xcc983f70, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x396b3199, 0xc04ee4b8, + 0x5a6690ae, 0xd09441bb, 0xf2b82f6a, 0xd9e01006, 0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, + 0xe5b9f755, 0xe1d4a2c8, 0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, 0xd94d586c, 0xea70658a, + 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x1a4608ab, 0xc78e9a1d, + 0x57cc15bc, 0xc91af976, 0xc337a8f7, 0xfcdc1342, 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, + 0xba08fb09, 0x0645e9af, 0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, 0xb25e054b, 0x0f8cfcbe, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xf720e574, 0xd76619b6, + 0x51d1dc80, 0xc3bdbdf6, 0xa833ea44, 0x20e70f32, 0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, + 0xa5ed18e0, 0x2899e64a, 0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, 0xa5996f52, 0x2f6bbe45, + 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 0xd5558381, 0xed6bf9d1, + 0x48b2b335, 0xc0b15502, 0xaac7fa0e, 0x39daf5e8, 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, + 0xb02d7724, 0x3d3e82ae, 0xc694ce67, 0xf9ba1651, 0x43103085, 0xc013bc39, 0xb74d4ccb, 0x3f4eaafe, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x418d2621, 0xfe6deaa1, + 0x40c7d2bd, 0xff36f170, 0x424ff28f, 0xfda4f351, 0x43103085, 0xfcdc1342, 0x418d2621, 0xfe6deaa1, + 0x4488e37f, 0xfb4ab7db, 0x4488e37f, 0xfb4ab7db, 0x424ff28f, 0xfda4f351, 0x46aa0d6d, 0xf8f21e8e, + 0x45f704f7, 0xf9ba1651, 0x43103085, 0xfcdc1342, 0x48b2b335, 0xf69bf7c9, 0x475a5c77, 0xf82a6c6a, + 0x43cdd89a, 0xfc135231, 0x4aa22036, 0xf4491311, 0x48b2b335, 0xf69bf7c9, 0x4488e37f, 0xfb4ab7db, + 0x4c77a88e, 0xf1fa3ecb, 0x49ffd417, 0xf50ef5de, 0x454149fc, 0xfa824bfd, 0x4e32a956, 0xefb047f2, + 0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, 0x4fd288dc, 0xed6bf9d1, 0x4c77a88e, 0xf1fa3ecb, + 0x46aa0d6d, 0xf8f21e8e, 0x5156b6d9, 0xeb2e1dbe, 0x4da1fab5, 0xf0730342, 0x475a5c77, 0xf82a6c6a, + 0x52beac9f, 0xe8f77acf, 0x4ec05432, 0xeeee2d9d, 0x4807eb4b, 0xf7630799, 0x5409ed4b, 0xe6c8d59c, + 0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, 0x553805f2, 0xe4a2eff6, 0x50d86e6d, 0xebeca36c, + 0x495aada2, 0xf5d544a7, 0x56488dc5, 0xe28688a4, 0x51d1dc80, 0xea70658a, 0x49ffd417, 0xf50ef5de, + 0x573b2635, 0xe0745b24, 0x52beac9f, 0xe8f77acf, 0x4aa22036, 0xf4491311, 0x580f7b19, 0xde6d1f65, + 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x5471e2e6, 0xe61086bc, + 0x4bde1089, 0xf2beafed, 0x595c3e2a, 0xda8249b4, 0x553805f2, 0xe4a2eff6, 0x4c77a88e, 0xf1fa3ecb, + 0x59d438e5, 0xd8a00bae, 0x55f104dc, 0xe3399167, 0x4d0e4de2, 0xf136580d, 0x5a2d0957, 0xd6cb76c9, + 0x569cc31b, 0xe1d4a2c8, 0x4da1fab5, 0xf0730342, 0x5a6690ae, 0xd5052d97, 0x573b2635, 0xe0745b24, + 0x4e32a956, 0xefb047f2, 0x5a80baf6, 0xd34dcdb4, 0x57cc15bc, 0xdf18f0ce, 0x4ec05432, 0xeeee2d9d, + 0x5a7b7f1a, 0xd1a5ef90, 0x584f7b58, 0xddc29958, 0x4f4af5d1, 0xee2cbbc1, 0x5a56deec, 0xd00e2639, + 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 0x5a12e720, 0xce86ff2a, 0x592d59da, 0xdb25f566, + 0x50570819, 0xecabef3d, 0x59afaf4c, 0xcd110216, 0x5987b08a, 0xd9e01006, 0x50d86e6d, 0xebeca36c, + 0x592d59da, 0xcbacb0bf, 0x59d438e5, 0xd8a00bae, 0x5156b6d9, 0xeb2e1dbe, 0x588c1404, 0xca5a86c4, + 0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, 0x57cc15bc, 0xc91af976, 0x5a43b190, 0xd6326a88, + 0x5249daa2, 0xe9b38223, 0x56eda1a0, 0xc7ee77b3, 0x5a6690ae, 0xd5052d97, 0x52beac9f, 0xe8f77acf, + 0x55f104dc, 0xc6d569be, 0x5a7b7f1a, 0xd3de9156, 0x53304df6, 0xe83c56cf, 0x54d69714, 0xc5d03118, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a7b7f1a, 0xd1a5ef90, + 0x5409ed4b, 0xe6c8d59c, 0x5249daa2, 0xc402a33c, 0x5a6690ae, 0xd09441bb, 0x5471e2e6, 0xe61086bc, + 0x50d86e6d, 0xc33aee27, 0x5a43b190, 0xcf89e3e8, 0x54d69714, 0xe55937d5, 0x4f4af5d1, 0xc2884e6e, + 0x5a12e720, 0xce86ff2a, 0x553805f2, 0xe4a2eff6, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xcd8bbb6d, + 0x55962bc0, 0xe3edb628, 0x4bde1089, 0xc1633f8a, 0x5987b08a, 0xcc983f70, 0x55f104dc, 0xe3399167, + 0x49ffd417, 0xc0f1360b, 0x592d59da, 0xcbacb0bf, 0x56488dc5, 0xe28688a4, 0x4807eb4b, 0xc0950d1d, + 0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, 0x45f704f7, 0xc04ee4b8, 0x584f7b58, 0xc9edeb50, + 0x56eda1a0, 0xe123e6ad, 0x43cdd89a, 0xc01ed535, 0x57cc15bc, 0xc91af976, 0x573b2635, 0xe0745b24, + 0x418d2621, 0xc004ef3f, 0x573b2635, 0xc8507ea7, 0x57854ddd, 0xdfc606f1, 0x3f35b59d, 0xc0013bd3, + 0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, 0x3cc85709, 0xc013bc39, 0x55f104dc, 0xc6d569be, + 0x580f7b19, 0xde6d1f65, 0x3a45e1f7, 0xc03c6a07, 0x553805f2, 0xc6250a18, 0x584f7b58, 0xddc29958, + 0x37af354c, 0xc07b371e, 0x5471e2e6, 0xc57d965d, 0x588c1404, 0xdd196538, 0x350536f1, 0xc0d00db6, + 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x52beac9f, 0xc449d892, + 0x58fb0568, 0xdbcb0cce, 0x2f7afdfc, 0xc1bb5a11, 0x51d1dc80, 0xc3bdbdf6, 0x592d59da, 0xdb25f566, + 0x2c9caf6c, 0xc2517e31, 0x50d86e6d, 0xc33aee27, 0x595c3e2a, 0xda8249b4, 0x29aee694, 0xc2fd08a9, + 0x4fd288dc, 0xc2c17d52, 0x5987b08a, 0xd9e01006, 0x26b2a794, 0xc3bdbdf6, 0x4ec05432, 0xc2517e31, + 0x59afaf4c, 0xd93f4e9e, 0x23a8fb93, 0xc4935b3c, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xd8a00bae, + 0x2092f05f, 0xc57d965d, 0x4c77a88e, 0xc18e18a7, 0x59f54bee, 0xd8024d59, 0x1d719810, 0xc67c1e18, + 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 0x1a4608ab, 0xc78e9a1d, 0x49ffd417, 0xc0f1360b, + 0x5a2d0957, 0xd6cb76c9, 0x17115bc0, 0xc8b4ab32, 0x48b2b335, 0xc0b15502, 0x5a43b190, 0xd6326a88, + 0x13d4ae08, 0xc9edeb50, 0x475a5c77, 0xc07b371e, 0x5a56deec, 0xd59afadb, 0x10911f04, 0xcb39edca, + 0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, 0x0d47d096, 0xcc983f70, 0x4488e37f, 0xc02c64a6, + 0x5a72c63b, 0xd4710883, 0x09f9e6a1, 0xce0866b8, 0x43103085, 0xc013bc39, 0x5a7b7f1a, 0xd3de9156, + 0x06a886a0, 0xcf89e3e8, 0x418d2621, 0xc004ef3f, 0x5a80baf6, 0xd34dcdb4, 0x0354d741, 0xd11c3142, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x3e68fb62, 0xc004ef3f, + 0x5a80baf6, 0xd2317756, 0xfcab28bf, 0xd4710883, 0x3cc85709, 0xc013bc39, 0x5a7b7f1a, 0xd1a5ef90, + 0xf9577960, 0xd6326a88, 0x3b1e5335, 0xc02c64a6, 0x5a72c63b, 0xd11c3142, 0xf606195f, 0xd8024d59, + 0x396b3199, 0xc04ee4b8, 0x5a6690ae, 0xd09441bb, 0xf2b82f6a, 0xd9e01006, 0x37af354c, 0xc07b371e, + 0x5a56deec, 0xd00e2639, 0xef6ee0fc, 0xdbcb0cce, 0x35eaa2c7, 0xc0b15502, 0x5a43b190, 0xcf89e3e8, + 0xec2b51f8, 0xddc29958, 0x341dbfd3, 0xc0f1360b, 0x5a2d0957, 0xcf077fe1, 0xe8eea440, 0xdfc606f1, + 0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, 0xe5b9f755, 0xe1d4a2c8, 0x306c2624, 0xc18e18a7, + 0x59f54bee, 0xce0866b8, 0xe28e67f0, 0xe3edb628, 0x2e88013a, 0xc1eb0209, 0x59d438e5, 0xcd8bbb6d, + 0xdf6d0fa1, 0xe61086bc, 0x2c9caf6c, 0xc2517e31, 0x59afaf4c, 0xcd110216, 0xdc57046d, 0xe83c56cf, + 0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, 0xd94d586c, 0xea70658a, 0x28b1b544, 0xc33aee27, + 0x595c3e2a, 0xcc217822, 0xd651196c, 0xecabef3d, 0x26b2a794, 0xc3bdbdf6, 0x592d59da, 0xcbacb0bf, + 0xd3635094, 0xeeee2d9d, 0x24ada23d, 0xc449d892, 0x58fb0568, 0xcb39edca, 0xd0850204, 0xf136580d, + 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x2092f05f, 0xc57d965d, + 0x588c1404, 0xca5a86c4, 0xcafac90f, 0xf5d544a7, 0x1e7de5df, 0xc6250a18, 0x584f7b58, 0xc9edeb50, + 0xc850cab4, 0xf82a6c6a, 0x1c6427a9, 0xc6d569be, 0x580f7b19, 0xc9836582, 0xc5ba1e09, 0xfa824bfd, + 0x1a4608ab, 0xc78e9a1d, 0x57cc15bc, 0xc91af976, 0xc337a8f7, 0xfcdc1342, 0x1823dc7d, 0xc8507ea7, + 0x57854ddd, 0xc8b4ab32, 0xc0ca4a63, 0xff36f170, 0x15fdf758, 0xc91af976, 0x573b2635, 0xc8507ea7, + 0xbe72d9df, 0x0192155f, 0x13d4ae08, 0xc9edeb50, 0x56eda1a0, 0xc7ee77b3, 0xbc322766, 0x03ecadcf, + 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 0xba08fb09, 0x0645e9af, 0x0f7944a7, 0xcbacb0bf, + 0x56488dc5, 0xc730e997, 0xb7f814b5, 0x089cf867, 0x0d47d096, 0xcc983f70, 0x55f104dc, 0xc6d569be, + 0xb6002be9, 0x0af10a22, 0x0b145041, 0xcd8bbb6d, 0x55962bc0, 0xc67c1e18, 0xb421ef77, 0x0d415013, + 0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, 0xb25e054b, 0x0f8cfcbe, 0x06a886a0, 0xcf89e3e8, + 0x54d69714, 0xc5d03118, 0xb0b50a2f, 0x11d3443f, 0x0470ebdc, 0xd09441bb, 0x5471e2e6, 0xc57d965d, + 0xaf279193, 0x14135c94, 0x0238a1c6, 0xd1a5ef90, 0x5409ed4b, 0xc52d3d18, 0xadb6255e, 0x164c7ddd, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xfdc75e3a, 0xd3de9156, + 0x53304df6, 0xc4935b3c, 0xab2968ec, 0x1aa6c82b, 0xfb8f1424, 0xd5052d97, 0x52beac9f, 0xc449d892, + 0xaa0efb24, 0x1cc66e99, 0xf9577960, 0xd6326a88, 0x5249daa2, 0xc402a33c, 0xa9125e60, 0x1edc1953, + 0xf720e574, 0xd76619b6, 0x51d1dc80, 0xc3bdbdf6, 0xa833ea44, 0x20e70f32, 0xf4ebafbf, 0xd8a00bae, + 0x5156b6d9, 0xc37b2b6a, 0xa773ebfc, 0x22e69ac8, 0xf2b82f6a, 0xd9e01006, 0x50d86e6d, 0xc33aee27, + 0xa6d2a626, 0x24da0a9a, 0xf086bb59, 0xdb25f566, 0x50570819, 0xc2fd08a9, 0xa65050b4, 0x26c0b162, + 0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, 0xa5ed18e0, 0x2899e64a, 0xec2b51f8, 0xddc29958, + 0x4f4af5d1, 0xc2884e6e, 0xa5a92114, 0x2a650525, 0xea0208a8, 0xdf18f0ce, 0x4ec05432, 0xc2517e31, + 0xa58480e6, 0x2c216eaa, 0xe7dc2383, 0xe0745b24, 0x4e32a956, 0xc21d0eb8, 0xa57f450a, 0x2dce88aa, + 0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, 0xa5996f52, 0x2f6bbe45, 0xe39bd857, 0xe3399167, + 0x4d0e4de2, 0xc1bb5a11, 0xa5d2f6a9, 0x30f8801f, 0xe1821a21, 0xe4a2eff6, 0x4c77a88e, 0xc18e18a7, + 0xa62bc71b, 0x32744493, 0xdf6d0fa1, 0xe61086bc, 0x4bde1089, 0xc1633f8a, 0xa6a3c1d6, 0x33de87de, + 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 0xdb525dc3, 0xe8f77acf, + 0x4aa22036, 0xc114ccb9, 0xa7f084e7, 0x367c9a7e, 0xd94d586c, 0xea70658a, 0x49ffd417, 0xc0f1360b, + 0xa8c4d9cb, 0x37af8159, 0xd74e4abc, 0xebeca36c, 0x495aada2, 0xc0d00db6, 0xa9b7723b, 0x38cf1669, + 0xd5558381, 0xed6bf9d1, 0x48b2b335, 0xc0b15502, 0xaac7fa0e, 0x39daf5e8, 0xd3635094, 0xeeee2d9d, + 0x4807eb4b, 0xc0950d1d, 0xabf612b5, 0x3ad2c2e8, 0xd177fec6, 0xf0730342, 0x475a5c77, 0xc07b371e, + 0xad415361, 0x3bb6276e, 0xcf93d9dc, 0xf1fa3ecb, 0x46aa0d6d, 0xc063d405, 0xaea94927, 0x3c84d496, + 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, 0xb02d7724, 0x3d3e82ae, 0xcbe2402d, 0xf50ef5de, + 0x454149fc, 0xc03c6a07, 0xb1cd56aa, 0x3de2f148, 0xca155d39, 0xf69bf7c9, 0x4488e37f, 0xc02c64a6, + 0xb3885772, 0x3e71e759, 0xc850cab4, 0xf82a6c6a, 0x43cdd89a, 0xc01ed535, 0xb55ddfca, 0x3eeb3347, + 0xc694ce67, 0xf9ba1651, 0x43103085, 0xc013bc39, 0xb74d4ccb, 0x3f4eaafe, 0xc4e1accb, 0xfb4ab7db, + 0x424ff28f, 0xc00b1a20, 0xb955f293, 0x3f9c2bfb, 0xc337a8f7, 0xfcdc1342, 0x418d2621, 0xc004ef3f, + 0xbb771c81, 0x3fd39b5a, 0xc197049e, 0xfe6deaa1, 0x40c7d2bd, 0xc0013bd3, 0xbdb00d71, 0x3ff4e5e0, +}; + +const int twidTabEven[4 * 6 + 16 * 6 + 64 * 6] = { + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x5a82799a, 0xd2bec333, + 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, + 0x00000000, 0xd2bec333, 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x4b418bbe, 0xf383a3e2, + 0x45f704f7, 0xf9ba1651, 0x4fd288dc, 0xed6bf9d1, 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, + 0x58c542c5, 0xdc71898d, 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 0x5a12e720, 0xce86ff2a, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xcac933ae, + 0x569cc31b, 0xe1d4a2c8, 0x45f704f7, 0xc04ee4b8, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, + 0x3248d382, 0xc13ad060, 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 0x1a4608ab, 0xc78e9a1d, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x3248d382, 0xc13ad060, + 0x5a12e720, 0xce86ff2a, 0xe5b9f755, 0xe1d4a2c8, 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, + 0xcdb72c7e, 0xf383a3e2, 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 0xba08fb09, 0x0645e9af, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xee57aa21, 0xdc71898d, + 0x4fd288dc, 0xc2c17d52, 0xa5ed18e0, 0x2899e64a, 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, + 0xa73abd3b, 0x3536cc52, 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, 0xb02d7724, 0x3d3e82ae, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x43103085, 0xfcdc1342, + 0x418d2621, 0xfe6deaa1, 0x4488e37f, 0xfb4ab7db, 0x45f704f7, 0xf9ba1651, 0x43103085, 0xfcdc1342, + 0x48b2b335, 0xf69bf7c9, 0x48b2b335, 0xf69bf7c9, 0x4488e37f, 0xfb4ab7db, 0x4c77a88e, 0xf1fa3ecb, + 0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, 0x4fd288dc, 0xed6bf9d1, 0x4da1fab5, 0xf0730342, + 0x475a5c77, 0xf82a6c6a, 0x52beac9f, 0xe8f77acf, 0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, + 0x553805f2, 0xe4a2eff6, 0x51d1dc80, 0xea70658a, 0x49ffd417, 0xf50ef5de, 0x573b2635, 0xe0745b24, + 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x553805f2, 0xe4a2eff6, + 0x4c77a88e, 0xf1fa3ecb, 0x59d438e5, 0xd8a00bae, 0x569cc31b, 0xe1d4a2c8, 0x4da1fab5, 0xf0730342, + 0x5a6690ae, 0xd5052d97, 0x57cc15bc, 0xdf18f0ce, 0x4ec05432, 0xeeee2d9d, 0x5a7b7f1a, 0xd1a5ef90, + 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 0x5a12e720, 0xce86ff2a, 0x5987b08a, 0xd9e01006, + 0x50d86e6d, 0xebeca36c, 0x592d59da, 0xcbacb0bf, 0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, + 0x57cc15bc, 0xc91af976, 0x5a6690ae, 0xd5052d97, 0x52beac9f, 0xe8f77acf, 0x55f104dc, 0xc6d569be, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a6690ae, 0xd09441bb, + 0x5471e2e6, 0xe61086bc, 0x50d86e6d, 0xc33aee27, 0x5a12e720, 0xce86ff2a, 0x553805f2, 0xe4a2eff6, + 0x4da1fab5, 0xc1eb0209, 0x5987b08a, 0xcc983f70, 0x55f104dc, 0xe3399167, 0x49ffd417, 0xc0f1360b, + 0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, 0x45f704f7, 0xc04ee4b8, 0x57cc15bc, 0xc91af976, + 0x573b2635, 0xe0745b24, 0x418d2621, 0xc004ef3f, 0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, + 0x3cc85709, 0xc013bc39, 0x553805f2, 0xc6250a18, 0x584f7b58, 0xddc29958, 0x37af354c, 0xc07b371e, + 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x51d1dc80, 0xc3bdbdf6, + 0x592d59da, 0xdb25f566, 0x2c9caf6c, 0xc2517e31, 0x4fd288dc, 0xc2c17d52, 0x5987b08a, 0xd9e01006, + 0x26b2a794, 0xc3bdbdf6, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xd8a00bae, 0x2092f05f, 0xc57d965d, + 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 0x1a4608ab, 0xc78e9a1d, 0x48b2b335, 0xc0b15502, + 0x5a43b190, 0xd6326a88, 0x13d4ae08, 0xc9edeb50, 0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, + 0x0d47d096, 0xcc983f70, 0x43103085, 0xc013bc39, 0x5a7b7f1a, 0xd3de9156, 0x06a886a0, 0xcf89e3e8, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x3cc85709, 0xc013bc39, + 0x5a7b7f1a, 0xd1a5ef90, 0xf9577960, 0xd6326a88, 0x396b3199, 0xc04ee4b8, 0x5a6690ae, 0xd09441bb, + 0xf2b82f6a, 0xd9e01006, 0x35eaa2c7, 0xc0b15502, 0x5a43b190, 0xcf89e3e8, 0xec2b51f8, 0xddc29958, + 0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, 0xe5b9f755, 0xe1d4a2c8, 0x2e88013a, 0xc1eb0209, + 0x59d438e5, 0xcd8bbb6d, 0xdf6d0fa1, 0xe61086bc, 0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, + 0xd94d586c, 0xea70658a, 0x26b2a794, 0xc3bdbdf6, 0x592d59da, 0xcbacb0bf, 0xd3635094, 0xeeee2d9d, + 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x1e7de5df, 0xc6250a18, + 0x584f7b58, 0xc9edeb50, 0xc850cab4, 0xf82a6c6a, 0x1a4608ab, 0xc78e9a1d, 0x57cc15bc, 0xc91af976, + 0xc337a8f7, 0xfcdc1342, 0x15fdf758, 0xc91af976, 0x573b2635, 0xc8507ea7, 0xbe72d9df, 0x0192155f, + 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 0xba08fb09, 0x0645e9af, 0x0d47d096, 0xcc983f70, + 0x55f104dc, 0xc6d569be, 0xb6002be9, 0x0af10a22, 0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, + 0xb25e054b, 0x0f8cfcbe, 0x0470ebdc, 0xd09441bb, 0x5471e2e6, 0xc57d965d, 0xaf279193, 0x14135c94, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xfb8f1424, 0xd5052d97, + 0x52beac9f, 0xc449d892, 0xaa0efb24, 0x1cc66e99, 0xf720e574, 0xd76619b6, 0x51d1dc80, 0xc3bdbdf6, + 0xa833ea44, 0x20e70f32, 0xf2b82f6a, 0xd9e01006, 0x50d86e6d, 0xc33aee27, 0xa6d2a626, 0x24da0a9a, + 0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, 0xa5ed18e0, 0x2899e64a, 0xea0208a8, 0xdf18f0ce, + 0x4ec05432, 0xc2517e31, 0xa58480e6, 0x2c216eaa, 0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, + 0xa5996f52, 0x2f6bbe45, 0xe1821a21, 0xe4a2eff6, 0x4c77a88e, 0xc18e18a7, 0xa62bc71b, 0x32744493, + 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 0xd94d586c, 0xea70658a, + 0x49ffd417, 0xc0f1360b, 0xa8c4d9cb, 0x37af8159, 0xd5558381, 0xed6bf9d1, 0x48b2b335, 0xc0b15502, + 0xaac7fa0e, 0x39daf5e8, 0xd177fec6, 0xf0730342, 0x475a5c77, 0xc07b371e, 0xad415361, 0x3bb6276e, + 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, 0xb02d7724, 0x3d3e82ae, 0xca155d39, 0xf69bf7c9, + 0x4488e37f, 0xc02c64a6, 0xb3885772, 0x3e71e759, 0xc694ce67, 0xf9ba1651, 0x43103085, 0xc013bc39, + 0xb74d4ccb, 0x3f4eaafe, 0xc337a8f7, 0xfcdc1342, 0x418d2621, 0xc004ef3f, 0xbb771c81, 0x3fd39b5a, +}; + +/* for reference, here's the code to generate the bitreverse tables + short blocks: nbits = 4 (nfft = 64) + long blocks: nbits = 7 (nfft = 512) + +static int bitrev(int n, int nbits) +{ + int r, i; + + r = 0; + for (i = 0; i < nbits; i++) { + r <<= 1; + r |= (n & 1); + n >>= 1; + } + + return r; +} + +static void InitBitrevTable(unsigned char *out, int nbits) +{ + int i, t; + + for (i = 0; i < (1< KBD_THRESH); + + return i0; +} + +static double CalcW(double nRef, double n, double a) +{ + double i0Base, i0Curr, nTemp; + + i0Base = CalcI0(M_PI * a); + + nTemp = (n - nRef/4) / (nRef/4); + i0Curr = CalcI0( M_PI * a * sqrt(1.0 - nTemp*nTemp) ); + + return i0Curr / i0Base; +} + +void InitKBDWindow(int nmdct) +{ + int n, nRef; + double a, wBase, wCurr; + + nRef = nmdct * 2; + + / *** kbd window *** / + if (nmdct == 128) + a = 6.0; + else + a = 4.0; + + wBase = 0; + for (n = 0; n <= nRef/2; n++) + wBase += CalcW(nRef, n, a); + + / *** left *** / + wCurr = 0; + for (n = 0; n < nRef/2; n++) { + wCurr += CalcW(nRef, n, a); + kbdWindowRef[n] = sqrt(wCurr / wBase); + } + + / *** + * symmetry: + * kbd_right(n) = kbd_ldef(N_REF - 1 - n), n = [N_REF/2, N_REF - 1] + * + * wCurr = 0; + * for (n = N_REF-1; n >= N_REF/2; n--) { + * wCurr += CalcW(N_REF-n-1, a); + * kbdWindowRef[n] = sqrt(wCurr / wBase); + * } + * + *** / + return; +} +*/ diff --git a/audio_codec/libraac/trigtabs_fltgen.c b/audio_codec/libraac/trigtabs_fltgen.c new file mode 100644 index 0000000..b5ffa8e --- a/dev/null +++ b/audio_codec/libraac/trigtabs_fltgen.c @@ -0,0 +1,357 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: trigtabs_fltgen.c,v 1.2 2006/12/05 03:36:53 ehyche Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * June 2005 + * + * trigtabs_fltgen.c - low-ROM alternative to trigtabs.c + * generates large trig tables at runtime using floating-point + * math library + * MUST VERIFY that runtime-generated tables are bit-exact matches + * with ROM tables in trigtabs.c + **************************************************************************************/ +#ifdef HELIX_CONFIG_AAC_GENERATE_TRIGTABS_FLOAT + +#include +#include "coder.h" + +/* read-only tables */ +const int cos4sin4tabOffset[NUM_IMDCT_SIZES] = {0, 128}; +const int sinWindowOffset[NUM_IMDCT_SIZES] = {0, 128}; +const int kbdWindowOffset[NUM_IMDCT_SIZES] = {0, 128}; +const int bitrevtabOffset[NUM_IMDCT_SIZES] = {0, 17}; +const unsigned char bitrevtab[17 + 129] = { + /* nfft = 64 */ + 0x01, 0x08, 0x02, 0x04, 0x03, 0x0c, 0x05, 0x0a, 0x07, 0x0e, 0x0b, 0x0d, 0x00, 0x06, 0x09, 0x0f, + 0x00, + + /* nfft = 512 */ + 0x01, 0x40, 0x02, 0x20, 0x03, 0x60, 0x04, 0x10, 0x05, 0x50, 0x06, 0x30, 0x07, 0x70, 0x09, 0x48, + 0x0a, 0x28, 0x0b, 0x68, 0x0c, 0x18, 0x0d, 0x58, 0x0e, 0x38, 0x0f, 0x78, 0x11, 0x44, 0x12, 0x24, + 0x13, 0x64, 0x15, 0x54, 0x16, 0x34, 0x17, 0x74, 0x19, 0x4c, 0x1a, 0x2c, 0x1b, 0x6c, 0x1d, 0x5c, + 0x1e, 0x3c, 0x1f, 0x7c, 0x21, 0x42, 0x23, 0x62, 0x25, 0x52, 0x26, 0x32, 0x27, 0x72, 0x29, 0x4a, + 0x2b, 0x6a, 0x2d, 0x5a, 0x2e, 0x3a, 0x2f, 0x7a, 0x31, 0x46, 0x33, 0x66, 0x35, 0x56, 0x37, 0x76, + 0x39, 0x4e, 0x3b, 0x6e, 0x3d, 0x5e, 0x3f, 0x7e, 0x43, 0x61, 0x45, 0x51, 0x47, 0x71, 0x4b, 0x69, + 0x4d, 0x59, 0x4f, 0x79, 0x53, 0x65, 0x57, 0x75, 0x5b, 0x6d, 0x5f, 0x7d, 0x67, 0x73, 0x6f, 0x7b, + 0x00, 0x08, 0x14, 0x1c, 0x22, 0x2a, 0x36, 0x3e, 0x41, 0x49, 0x55, 0x5d, 0x63, 0x6b, 0x77, 0x7f, + 0x00, + +}; + +/* tables generated at runtime */ +int cos4sin4tab[128 + 1024]; +int cos1sin1tab[514]; +int sinWindow[128 + 1024]; +int kbdWindow[128 + 1024]; +int twidTabEven[4 * 6 + 16 * 6 + 64 * 6]; +int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6]; + +#define M_PI 3.14159265358979323846 +#define M2_30 1073741824.0 +#define M2_31 2147483648.0 + +#define MAX_DBL 2147483647.0 +#define MIN_DBL -2147483648.0 + +static int NormAndRound(double x, double q, double n) +{ + if (x >= 0.0) { + x = (x * q * n + 0.5); + } else { + x = (x * q * n - 0.5); + } + + /* clip */ + if (x > MAX_DBL) { + x = MAX_DBL; + } + if (x < MIN_DBL) { + x = MIN_DBL; + } + + return (int)x; +} + +static void Init_cos4sin4tab(int *tPtr, int nmdct) +{ + int i; + double angle1, angle2, invM, x1, x2, x3, x4; + + invM = -1.0 / (double)nmdct; + for (i = 0; i < nmdct / 4; i++) { + angle1 = (i + 0.25) * M_PI / nmdct; + angle2 = (nmdct / 2 - 1 - i + 0.25) * M_PI / nmdct; + + x1 = invM * (cos(angle1) + sin(angle1)); + x2 = invM * sin(angle1); + x3 = invM * (cos(angle2) + sin(angle2)); + x4 = invM * sin(angle2); + + tPtr[0] = NormAndRound(x1, M2_30, nmdct); + tPtr[1] = NormAndRound(x2, M2_30, nmdct); + tPtr[2] = NormAndRound(x3, M2_30, nmdct); + tPtr[3] = NormAndRound(x4, M2_30, nmdct); + tPtr += 4; + } +} + +static void Init_cos1sin1tab(int *tPtr) +{ + int i; + double angle, x1, x2; + + for (i = 0; i <= (512 / 2); i++) { + angle = i * M_PI / 1024; + x1 = (cos(angle) + sin(angle)); + x2 = sin(angle); + + tPtr[0] = NormAndRound(x1, M2_30, 1); + tPtr[1] = NormAndRound(x2, M2_30, 1); + tPtr += 2; + } +} + +static void Init_sinWindow(int *tPtr, int nmdct) +{ + int i; + double angle1, angle2, x1, x2; + + for (i = 0; i < nmdct / 2; i++) { + angle1 = (i + 0.5) * M_PI / (2.0 * nmdct); + angle2 = (nmdct - 1 - i + 0.5) * M_PI / (2.0 * nmdct); + x1 = sin(angle1); + x2 = sin(angle2); + + tPtr[0] = NormAndRound(x1, M2_31, 1); + tPtr[1] = NormAndRound(x2, M2_31, 1); + tPtr += 2; + } +} + + +#define KBD_THRESH 1e-12 + +static double CalcI0(double x) +{ + int k; + double i0, iTmp, iLast, x2, xPow, kFact; + + x2 = x / 2.0; + i0 = 0.0; + k = 0; + kFact = 1; + xPow = 1; + do { + iLast = i0; + iTmp = xPow / kFact; + i0 += (iTmp * iTmp); + k++; + kFact *= k; + xPow *= x2; + } while (fabs(i0 - iLast) > KBD_THRESH); + + return i0; +} + +static double CalcW(double nRef, double n, double a) +{ + double i0Base, i0Curr, nTemp; + + i0Base = CalcI0(M_PI * a); + + nTemp = (n - nRef / 4) / (nRef / 4); + i0Curr = CalcI0(M_PI * a * sqrt(1.0 - nTemp * nTemp)); + + return i0Curr / i0Base; +} + +static void Init_kbdWindow(int *tPtr, int nmdct) +{ + int n, nRef; + double a, wBase, wCurr, x1; + + nRef = nmdct * 2; + + /* kbd window */ + if (nmdct == 128) { + a = 6.0; + } else { + a = 4.0; + } + + wBase = 0; + for (n = 0; n <= nRef / 2; n++) { + wBase += CalcW(nRef, n, a); + } + + /* left */ + wCurr = 0; + for (n = 0; n < nmdct / 2; n++) { + wCurr += CalcW(nRef, n, a); + x1 = sqrt(wCurr / wBase); + tPtr[0] = NormAndRound(x1, M2_31, 1); + tPtr += 2; + } + tPtr--; + + /* right */ + for (n = nmdct / 2; n < nmdct; n++) { + wCurr += CalcW(nRef, n, a); + x1 = sqrt(wCurr / wBase); + tPtr[0] = NormAndRound(x1, M2_31, 1); + tPtr -= 2; + } + + /* symmetry: + * kbd_right(n) = kbd_ldef(N_REF - 1 - n), n = [N_REF/2, N_REF - 1] + * + * wCurr = 0; + * for (n = N_REF-1; n >= N_REF/2; n--) { + * wCurr += CalcW(N_REF-n-1, a); + * kbdWindowRef[n] = sqrt(wCurr / wBase); + * } + * + */ + return; +} + +static void Init_twidTabs(int *tPtrEven, int *tPtrOdd, int nfft) +{ + int j, k; + double wr1, wi1, wr2, wi2, wr3, wi3; + + for (k = 4; k <= nfft / 4; k <<= 1) { + for (j = 0; j < k; j++) { + wr1 = cos(1.0 * M_PI * j / (2 * k)); + wi1 = sin(1.0 * M_PI * j / (2 * k)); + wr1 = (wr1 + wi1); + wi1 = -wi1; + + wr2 = cos(2.0 * M_PI * j / (2 * k)); + wi2 = sin(2.0 * M_PI * j / (2 * k)); + wr2 = (wr2 + wi2); + wi2 = -wi2; + + wr3 = cos(3.0 * M_PI * j / (2 * k)); + wi3 = sin(3.0 * M_PI * j / (2 * k)); + wr3 = (wr3 + wi3); + wi3 = -wi3; + + if (k & 0xaaaaaaaa) { + tPtrOdd[0] = NormAndRound(wr2, M2_30, 1); + tPtrOdd[1] = NormAndRound(wi2, M2_30, 1); + tPtrOdd[2] = NormAndRound(wr1, M2_30, 1); + tPtrOdd[3] = NormAndRound(wi1, M2_30, 1); + tPtrOdd[4] = NormAndRound(wr3, M2_30, 1); + tPtrOdd[5] = NormAndRound(wi3, M2_30, 1); + tPtrOdd += 6; + } else { + tPtrEven[0] = NormAndRound(wr2, M2_30, 1); + tPtrEven[1] = NormAndRound(wi2, M2_30, 1); + tPtrEven[2] = NormAndRound(wr1, M2_30, 1); + tPtrEven[3] = NormAndRound(wi1, M2_30, 1); + tPtrEven[4] = NormAndRound(wr3, M2_30, 1); + tPtrEven[5] = NormAndRound(wi3, M2_30, 1); + tPtrEven += 6; + } + } + } +} + +/************************************************************************************** + * Function: AACInitTrigtabsFloat + * + * Description: generate AAC decoder tables using floating-point math library + * + * Inputs: none + * + * Outputs: initialized tables + * + * Return: 0 on success + * + * Notes: this function should ONLY be called when double-precision + * floating-point math is supported + * the generated tables must be bit-exact matches with read-only + * tables stored in trigtabs.c + * this initializes global tables in RAM, and is NOT thread-safe, + * so the caller must ensure that this function is not called + * from multiple threads + * this should be called exactly once, before the entrypoint function + * for the application or DLL is called + **************************************************************************************/ +int AACInitTrigtabsFloat(void) +{ + /* cos4sin4tab */ + Init_cos4sin4tab(cos4sin4tab + cos4sin4tabOffset[0], 128); + Init_cos4sin4tab(cos4sin4tab + cos4sin4tabOffset[1], 1024); + + /* cos1sin1tab */ + Init_cos1sin1tab(cos1sin1tab); + + /* sinWindow */ + Init_sinWindow(sinWindow + sinWindowOffset[0], 128); + Init_sinWindow(sinWindow + sinWindowOffset[1], 1024); + + /* kbdWindow */ + Init_kbdWindow(kbdWindow + kbdWindowOffset[0], 128); + Init_kbdWindow(kbdWindow + kbdWindowOffset[1], 1024); + + /* twidTabEven, twidTabOdd */ + Init_twidTabs(twidTabEven, twidTabOdd, 512); + + return 0; +} + +/************************************************************************************** + * Function: AACFreeTrigtabsFloat + * + * Description: free any memory allocated by AACInitTrigtabsFloat() + * + * Inputs: none + * + * Outputs: none + * + * Return: none + **************************************************************************************/ +void AACFreeTrigtabsFloat(void) +{ + return; +} + +#endif /* HELIX_CONFIG_AAC_GENERATE_TRIGTABS_FLOAT */ diff --git a/audio_codec/wfd_aac_decoder/Android.mk b/audio_codec/wfd_aac_decoder/Android.mk new file mode 100755 index 0000000..9d0d183 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/Android.mk @@ -0,0 +1,23 @@ +LOCAL_PATH := $(call my-dir) + +include $(CLEAR_VARS) +LOCAL_MODULE := libaac_helix +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +LOCAL_ARM_MODE := arm +LOCAL_C_INCLUDES := $(LOCAL_PATH) \ + $(LOCAL_PATH)/codebook +LOCAL_CFLAGS += -DUSE_DEFAULT_STDLIB +include $(BUILD_STATIC_LIBRARY) + +include $(CLEAR_VARS) +LOCAL_SHARED_LIBRARIES += libutils libmedia libz libbinder libdl libcutils libc +LOCAL_CFLAGS += -DUSE_DEFAULT_STDLIB +LOCAL_MODULE := libaac_helix +LOCAL_SRC_FILES := $(notdir $(wildcard $(LOCAL_PATH)/*.c)) +LOCAL_ARM_MODE := arm +LOCAL_MODULE_TAGS := optional +LOCAL_C_INCLUDES := $(LOCAL_PATH) \ + $(LOCAL_PATH)/codebook +LOCAL_PRELINK_MODULE := false + +include $(BUILD_SHARED_LIBRARY) diff --git a/audio_codec/wfd_aac_decoder/aaccommon.h b/audio_codec/wfd_aac_decoder/aaccommon.h new file mode 100644 index 0000000..e349dce --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/aaccommon.h @@ -0,0 +1,210 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aaccommon.h,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * aaccommon.h - implementation-independent API's, datatypes, and definitions + **************************************************************************************/ + +#ifndef _AACCOMMON_H +#define _AACCOMMON_H + +#include "aacdec.h" +#include "statname.h" + +#include +#include +#include +#include +#define LOG_TAG "WFDAAC" +#define audio_codec_print(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) +#define printk audio_codec_print +#define LOCAL /*inline*/ + +/* 12-bit syncword */ +#define SYNCWORDH 0xff +#define SYNCWORDL 0xf0 + +#define SYNCWORD0 0x67 +#define SYNCWORD1 0x89 + +#define MAX_NCHANS_ELEM 2// /* max number of channels in any single bitstream element (SCE,CPE,CCE,LFE) */ + +#define ADTS_HEADER_BYTES 7 +#define NUM_SAMPLE_RATES 12 +#define NUM_DEF_CHAN_MAPS 8 +#define NUM_ELEMENTS 8 +#define MAX_NUM_PCE_ADIF 16 + +#define MAX_WIN_GROUPS 8 +#define MAX_SFB_SHORT 15 +#define MAX_SF_BANDS (MAX_SFB_SHORT*MAX_WIN_GROUPS) /* worst case = 15 sfb's * 8 windows for short block */ +#define MAX_MS_MASK_BYTES ((MAX_SF_BANDS + 7) >> 3) +#define MAX_PRED_SFB 41 +#define MAX_TNS_FILTERS 8 +#define MAX_TNS_COEFS 60 +#define MAX_TNS_ORDER 20 +#define MAX_PULSES 4 +#define MAX_GAIN_BANDS 3 +#define MAX_GAIN_WIN 8 +#define MAX_GAIN_ADJUST 7 + +#define NSAMPS_LONG 1024 +#define NSAMPS_SHORT 128 + +#define NUM_SYN_ID_BITS 3 +#define NUM_INST_TAG_BITS 4 + +#define EXT_SBR_DATA 0x0d +#define EXT_SBR_DATA_CRC 0x0e + +#define IS_ADIF(p) ((p)[0] == 'A' && (p)[1] == 'D' && (p)[2] == 'I' && (p)[3] == 'F') +#define GET_ELE_ID(p) ((AACElementID)(*(p) >> (8-NUM_SYN_ID_BITS))) + +/* AAC file format */ +enum { + AAC_FF_Unknown = 0, /* should be 0 on init */ + + AAC_FF_ADTS = 1, + AAC_FF_ADIF = 2, + AAC_FF_RAW = 3 + +}; + +/* syntactic element type */ +enum { + AAC_ID_INVALID = -1, + + AAC_ID_SCE = 0, + AAC_ID_CPE = 1, + AAC_ID_CCE = 2, + AAC_ID_LFE = 3, + AAC_ID_DSE = 4, + AAC_ID_PCE = 5, + AAC_ID_FIL = 6, + AAC_ID_END = 7 +}; + +typedef struct _AACDecInfo { + /* pointers to platform-specific state information */ + void *psInfoBase; /* baseline MPEG-4 LC decoding */ + void *psInfoSBR; /* MPEG-4 SBR decoding */ + + /* raw decoded data, before rounding to 16-bit PCM (for postprocessing such as SBR) */ + void *rawSampleBuf[AAC_MAX_NCHANS]; + int rawSampleBytes; + int rawSampleFBits; + + /* fill data (can be used for processing SBR or other extensions) */ + unsigned char *fillBuf; + int fillCount; + int fillExtType; + + /* block information */ + int prevBlockID; + int currBlockID; + int currInstTag; + int sbDeinterleaveReqd[MAX_NCHANS_ELEM]; + int adtsBlocksLeft; + + /* user-accessible info */ + int bitRate; + int nChans; + int sampRate; + int profile; + int format; + int sbrEnabled; + int tnsUsed; + int pnsUsed; + int frameCount; + int byteParsed; + int sampleDecoded; + unsigned audio_send_by_frame; + unsigned frame_length; +} AACDecInfo; + +/* decoder functions which must be implemented for each platform */ +AACDecInfo *AllocateBuffers(void); +void FreeBuffers(AACDecInfo *aacDecInfo); +void ClearBuffer(void *buf, int nBytes); + +int UnpackADTSHeader(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail); +int GetADTSChannelMapping(AACDecInfo *aacDecInfo, unsigned char *buf, int bitOffset, int bitsAvail); +int UnpackADIFHeader(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail); +int SetRawBlockParams(AACDecInfo *aacDecInfo, int copyLast, int nChans, int sampRate, int profile); +int PrepareRawBlock(AACDecInfo *aacDecInfo); +int FlushCodec(AACDecInfo *aacDecInfo); + +int DecodeNextElement(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail); +int DecodeNoiselessData(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail, int ch); + +int Dequantize(AACDecInfo *aacDecInfo, int ch); +int StereoProcess(AACDecInfo *aacDecInfo); +int DeinterleaveShortBlocks(AACDecInfo *aacDecInfo, int ch); +int PNS(AACDecInfo *aacDecInfo, int ch); +int TNSFilter(AACDecInfo *aacDecInfo, int ch); +int IMDCT(AACDecInfo *aacDecInfo, int ch, int chBase, short *outbuf); + +/* SBR specific functions */ +int InitSBR(AACDecInfo *aacDecInfo); +void FreeSBR(AACDecInfo *aacDecInfo); +int DecodeSBRBitstream(AACDecInfo *aacDecInfo, int chBase); +int DecodeSBRData(AACDecInfo *aacDecInfo, int chBase, short *outbuf); +int FlushCodecSBR(AACDecInfo *aacDecInfo); + +/* aactabs.c - global ROM tables */ +extern const int sampRateTab[NUM_SAMPLE_RATES]; +extern const int predSFBMax[NUM_SAMPLE_RATES]; +extern const int channelMapTab[NUM_DEF_CHAN_MAPS]; +extern const int elementNumChans[NUM_ELEMENTS]; +extern const unsigned char sfBandTotalShort[NUM_SAMPLE_RATES]; +extern const unsigned char sfBandTotalLong[NUM_SAMPLE_RATES]; +extern const int sfBandTabShortOffset[NUM_SAMPLE_RATES]; +extern const short sfBandTabShort[76]; +extern const int sfBandTabLongOffset[NUM_SAMPLE_RATES]; +extern const short sfBandTabLong[325]; +extern const int tnsMaxBandsShortOffset[AAC_NUM_PROFILES]; +extern const unsigned char tnsMaxBandsShort[2 * NUM_SAMPLE_RATES]; +extern const unsigned char tnsMaxOrderShort[AAC_NUM_PROFILES]; +extern const int tnsMaxBandsLongOffset[AAC_NUM_PROFILES]; +extern const unsigned char tnsMaxBandsLong[2 * NUM_SAMPLE_RATES]; +extern const unsigned char tnsMaxOrderLong[AAC_NUM_PROFILES]; + +#endif /* _AACCOMMON_H */ diff --git a/audio_codec/wfd_aac_decoder/aacdec.c b/audio_codec/wfd_aac_decoder/aacdec.c new file mode 100644 index 0000000..e8297a4 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/aacdec.c @@ -0,0 +1,508 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aacdec.c,v 1.1 2005/02/26 01:47:31 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * aacdec.c - platform-independent top level decoder API + **************************************************************************************/ +#include "aaccommon.h" +#include "bitstream.h" +#include +#include "aacdec.h" + +#define HELIX_MAX_DECODE_CH_NUM (6) + +/************************************************************************************** + * Function: AACInitDecoder + * + * Description: allocate memory for platform-specific data + * clear all the user-accessible fields + * initialize SBR decoder if enabled + * + * Inputs: none + * + * Outputs: none + * + * Return: handle to AAC decoder instance, 0 if malloc fails + **************************************************************************************/ +HAACDecoder AACInitDecoder(void) +{ + AACDecInfo *aacDecInfo; + + aacDecInfo = AllocateBuffers(); + if (!aacDecInfo) { + return 0; + } + +#ifdef AAC_ENABLE_SBR + if (InitSBR(aacDecInfo)) { + AACFreeDecoder(aacDecInfo); + return 0; + } +#endif + + return (HAACDecoder)aacDecInfo; +} + +/************************************************************************************** + * Function: AACFreeDecoder + * + * Description: free platform-specific data allocated by AACInitDecoder + * free SBR decoder if enabled + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * + * Outputs: none + * + * Return: none + **************************************************************************************/ +void AACFreeDecoder(HAACDecoder hAACDecoder) +{ + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (!aacDecInfo) { + return; + } + +#ifdef AAC_ENABLE_SBR + FreeSBR(aacDecInfo); +#endif + FreeBuffers(aacDecInfo); +} + +/************************************************************************************** + * Function: AACFindSyncWord + * + * Description: locate the next byte-alinged sync word in the raw AAC stream + * + * Inputs: buffer to search for sync word + * max number of bytes to search in buffer + * + * Outputs: none + * + * Return: offset to first sync word (bytes from start of buf) + * -1 if sync not found after searching nBytes + **************************************************************************************/ +int AACFindSyncWord(unsigned char *buf, int nBytes) +{ + int i; + + /* find byte-aligned syncword (12 bits = 0xFFF) */ + for (i = 0; i < nBytes - 1; i++) { + if ((buf[i + 0] & SYNCWORDH) == SYNCWORDH && (buf[i + 1] & SYNCWORDL) == SYNCWORDL) { + return i; + } + } + + return -1; +} + +/************************************************************************************** + * Function: AACGetLastFrameInfo + * + * Description: get info about last AAC frame decoded (number of samples decoded, + * sample rate, bit rate, etc.) + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * pointer to AACFrameInfo struct + * + * Outputs: filled-in AACFrameInfo struct + * + * Return: none + * + * Notes: call this right after calling AACDecode() + **************************************************************************************/ +void AACGetLastFrameInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo) +{ + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (!aacDecInfo) { + aacFrameInfo->format = 0; + aacFrameInfo->bitRate = 0; + aacFrameInfo->nChans = 0; + aacFrameInfo->sampRateCore = 0; + aacFrameInfo->sampRateOut = 0; + aacFrameInfo->bitsPerSample = 0; + aacFrameInfo->outputSamps = 0; + aacFrameInfo->profile = 0; + aacFrameInfo->tnsUsed = 0; + aacFrameInfo->pnsUsed = 0; + } else { + aacFrameInfo->format = aacDecInfo->format; + aacFrameInfo->nChans = aacDecInfo->nChans; + aacFrameInfo->sampRateCore = aacDecInfo->sampRate; + aacFrameInfo->sampRateOut = aacDecInfo->sampRate * (aacDecInfo->sbrEnabled ? 2 : 1); + aacFrameInfo->bitsPerSample = 16; + aacFrameInfo->outputSamps = aacDecInfo->nChans * AAC_MAX_NSAMPS * (aacDecInfo->sbrEnabled ? 2 : 1); + aacFrameInfo->profile = aacDecInfo->profile; + aacFrameInfo->tnsUsed = aacDecInfo->tnsUsed; + aacFrameInfo->pnsUsed = aacDecInfo->pnsUsed; + } +} + +void AACGetDecoderInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo) +{ + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (aacDecInfo) { + aacFrameInfo->format = aacDecInfo->format; + aacFrameInfo->nChans = aacDecInfo->nChans; + aacFrameInfo->sampRateCore = aacDecInfo->sampRate; + aacFrameInfo->sampRateOut = aacDecInfo->sampRate * (aacDecInfo->sbrEnabled ? 2 : 1); + aacFrameInfo->bitsPerSample = 16; + aacFrameInfo->outputSamps = aacDecInfo->nChans * AAC_MAX_NSAMPS * (aacDecInfo->sbrEnabled ? 2 : 1); + aacFrameInfo->profile = aacDecInfo->profile; + aacFrameInfo->tnsUsed = aacDecInfo->tnsUsed; + aacFrameInfo->pnsUsed = aacDecInfo->pnsUsed; + aacFrameInfo->total_byte_parsed = aacDecInfo->byteParsed; + aacFrameInfo->total_sample_decoded = aacDecInfo->sampleDecoded; + + if (aacDecInfo->bitRate) { + aacFrameInfo->bitRate = aacDecInfo->bitRate; + } else if (aacDecInfo->sampleDecoded > 0) { + aacFrameInfo->bitRate = (int)(((float)(aacDecInfo->byteParsed)) / ((float)aacDecInfo->sampleDecoded / (float)aacFrameInfo->sampRateOut)) << 3; + } + } +} + +/************************************************************************************** + * Function: AACSetRawBlockParams + * + * Description: set internal state variables for decoding a stream of raw data blocks + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * flag indicating source of parameters + * AACFrameInfo struct, with the members nChans, sampRate, and profile + * optionally filled-in + * + * Outputs: updated codec state + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: if copyLast == 1, then the codec sets up its internal state (for + * decoding raw blocks) based on previously-decoded ADTS header info + * if copyLast == 0, then the codec uses the values passed in + * aacFrameInfo to configure its internal state (useful when the + * source is MP4 format, for example) + **************************************************************************************/ +int AACSetRawBlockParams(HAACDecoder hAACDecoder, int copyLast, AACFrameInfo *aacFrameInfo) +{ + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (!aacDecInfo) { + return ERR_AAC_NULL_POINTER; + } + + aacDecInfo->format = AAC_FF_RAW; + aacDecInfo->audio_send_by_frame = aacFrameInfo->audio_send_by_frame; + if (copyLast) { + return SetRawBlockParams(aacDecInfo, 1, 0, 0, 0); + } else { + return SetRawBlockParams(aacDecInfo, 0, aacFrameInfo->nChans, aacFrameInfo->sampRateCore, aacFrameInfo->profile); + } +} + +/************************************************************************************** + * Function: AACFlushCodec + * + * Description: flush internal codec state (after seeking, for example) + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * + * Outputs: updated state variables in aacDecInfo + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int AACFlushCodec(HAACDecoder hAACDecoder) +{ + int ch; + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; + + if (!aacDecInfo) { + return ERR_AAC_NULL_POINTER; + } + /* reset common state variables which change per-frame + * don't touch state variables which are (usually) constant for entire clip + * (nChans, sampRate, profile, format, sbrEnabled) + */ + aacDecInfo->prevBlockID = AAC_ID_INVALID; + aacDecInfo->currBlockID = AAC_ID_INVALID; + aacDecInfo->currInstTag = -1; + for (ch = 0; ch < MAX_NCHANS_ELEM; ch++) { + aacDecInfo->sbDeinterleaveReqd[ch] = 0; + } + aacDecInfo->adtsBlocksLeft = 0; + aacDecInfo->tnsUsed = 0; + aacDecInfo->pnsUsed = 0; + + /* reset internal codec state (flush overlap buffers, etc.) */ + FlushCodec(aacDecInfo); +#ifdef AAC_ENABLE_SBR + FlushCodecSBR(aacDecInfo); +#endif + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: AACDecode + * + * Description: decode AAC frame + * + * Inputs: valid AAC decoder instance pointer (HAACDecoder) + * double pointer to buffer of AAC data + * pointer to number of valid bytes remaining in inbuf + * pointer to outbuf, big enough to hold one frame of decoded PCM samples + * (outbuf must be double-sized if SBR enabled) + * + * Outputs: PCM data in outbuf, interleaved LRLRLR... if stereo + * number of output samples = 1024 per channel (2048 if SBR enabled) + * updated inbuf pointer + * updated bytesLeft + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: inbuf pointer and bytesLeft are not updated until whole frame is + * successfully decoded, so if ERR_AAC_INDATA_UNDERFLOW is returned + * just call AACDecode again with more data in inbuf + **************************************************************************************/ +int AACDecode(HAACDecoder hAACDecoder, unsigned char **inbuf, int *bytesLeft, short *outbuf) +{ + int err, offset, bitOffset, bitsAvail; + int ch, baseChan, baseChanSBR, elementChans; + unsigned char *inptr; + AACDecInfo *aacDecInfo = (AACDecInfo *)hAACDecoder; +#ifdef AAC_ENABLE_SBR + int elementChansSBR; +#endif + + if (!aacDecInfo) { + return ERR_AAC_NULL_POINTER; + } + + /* make local copies (see "Notes" above) */ + inptr = *inbuf; + bitOffset = 0; + bitsAvail = (*bytesLeft) << 3; + + /* first time through figure out what the file format is */ + if (aacDecInfo->format == AAC_FF_Unknown) { + if (bitsAvail < 32) { + return ERR_AAC_INDATA_UNDERFLOW; + } + + if (IS_ADIF(inptr)) { + /* unpack ADIF header */ + aacDecInfo->format = AAC_FF_ADIF; + //printk("ADIF_DBG:ready step into UnpackADIFHeader()!\n"); + err = UnpackADIFHeader(aacDecInfo, &inptr, &bitOffset, &bitsAvail); + if (err) { + return err; + } + } else { + /* assume ADTS by default */ + aacDecInfo->format = AAC_FF_ADTS; + } + } + //printk("ADIF_DBG:aacDecInfo->format1=%d\n",aacDecInfo->format); + + /* if ADTS, search for start of next frame */ + if (aacDecInfo->format == AAC_FF_ADTS) { + /* can have 1-4 raw data blocks per ADTS frame (header only present for first one) */ + if (/*aacDecInfo->adtsBlocksLeft == 0*/1) { + offset = AACFindSyncWord(inptr, bitsAvail >> 3); + if (AACDataSource == 1) { + if (offset < 0) { //not find sync word in current buffer + return ERR_AAC_INVALID_ADTS_SYNCWORD; //ERR_AAC_INDATA_UNDERFLOW; + } + inptr += offset; + bitsAvail -= (offset << 3); + } + err = UnpackADTSHeader(aacDecInfo, &inptr, &bitOffset, &bitsAvail); + if (err) { + return err; + } + + if (aacDecInfo->nChans == -1) { + /* figure out implicit channel mapping if necessary */ + err = GetADTSChannelMapping(aacDecInfo, inptr, bitOffset, bitsAvail); + if (err) { + return err; + } + } + } + aacDecInfo->adtsBlocksLeft--; + } else if (aacDecInfo->format == AAC_FF_RAW) { + err = PrepareRawBlock(aacDecInfo); + if (err) { + return err; + } + } + + //printk("ADIF_DBG:aacDecInfo->nChans=%d aacDecInfo->sampRate=%d\n",aacDecInfo->nChans,aacDecInfo->sampRate); + /* check for valid number of channels */ + if (aacDecInfo->nChans > AAC_MAX_NCHANS || aacDecInfo->nChans <= 0) { + printk("AAC ERR: ERR_AAC_NCHANS_TOO_HIGH\n"); + return ERR_AAC_NCHANS_TOO_HIGH; + } + + /* will be set later if active in this frame */ + aacDecInfo->tnsUsed = 0; + aacDecInfo->pnsUsed = 0; + + bitOffset = 0; + baseChan = 0; + baseChanSBR = 0; + do { + /* parse next syntactic element */ + err = DecodeNextElement(aacDecInfo, &inptr, &bitOffset, &bitsAvail); + if (err) { + return err; + } + + elementChans = elementNumChans[aacDecInfo->currBlockID]; + if (baseChan + elementChans > AAC_MAX_NCHANS) { + return ERR_AAC_NCHANS_TOO_HIGH; + } + + /* noiseless decoder and dequantizer */ + for (ch = 0; ch < elementChans; ch++) { + err = DecodeNoiselessData(aacDecInfo, &inptr, &bitOffset, &bitsAvail, ch); + if (err) { + return err; + } + + if (Dequantize(aacDecInfo, ch)) { + return ERR_AAC_DEQUANT; + } + } + + /* mid-side and intensity stereo */ + if (aacDecInfo->currBlockID == AAC_ID_CPE) { + if (StereoProcess(aacDecInfo)) { + return ERR_AAC_STEREO_PROCESS; + } + } + + /* PNS, TNS, inverse transform */ + for (ch = 0; ch < elementChans; ch++) { + if (PNS(aacDecInfo, ch)) { + return ERR_AAC_PNS; + } + + if (aacDecInfo->sbDeinterleaveReqd[ch]) { + /* deinterleave short blocks, if required */ + if (DeinterleaveShortBlocks(aacDecInfo, ch)) { + return ERR_AAC_SHORT_BLOCK_DEINT; + } + aacDecInfo->sbDeinterleaveReqd[ch] = 0; + } + + if (TNSFilter(aacDecInfo, ch)) { + return ERR_AAC_TNS; + } + + if (IMDCT(aacDecInfo, ch, baseChan + ch, outbuf)) { + return ERR_AAC_IMDCT; + } + } + +#ifdef AAC_ENABLE_SBR + if (aacDecInfo->sbrEnabled && (aacDecInfo->currBlockID == AAC_ID_FIL || aacDecInfo->currBlockID == AAC_ID_LFE)) { + if (aacDecInfo->currBlockID == AAC_ID_LFE) { + elementChansSBR = elementNumChans[AAC_ID_LFE]; + } else if (aacDecInfo->currBlockID == AAC_ID_FIL && (aacDecInfo->prevBlockID == AAC_ID_SCE || aacDecInfo->prevBlockID == AAC_ID_CPE)) { + elementChansSBR = elementNumChans[aacDecInfo->prevBlockID]; + } else { + elementChansSBR = 0; + } + + if (baseChanSBR + elementChansSBR > AAC_MAX_NCHANS) { + return ERR_AAC_SBR_NCHANS_TOO_HIGH; + } + + /* parse SBR extension data if present (contained in a fill element) */ + if (DecodeSBRBitstream(aacDecInfo, baseChanSBR)) { + return ERR_AAC_SBR_BITSTREAM; + } + + /* apply SBR */ + if (DecodeSBRData(aacDecInfo, baseChanSBR, outbuf)) { + return ERR_AAC_SBR_DATA; + } + + baseChanSBR += elementChansSBR; + } +#endif + + baseChan += elementChans; + } while (aacDecInfo->currBlockID != AAC_ID_END); + + /* byte align after each raw_data_block */ + if (bitOffset) { + inptr++; + bitsAvail -= (8 - bitOffset); + bitOffset = 0; + if (bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + + /* update pointers */ + if (AACDataSource == 1) { + aacDecInfo->frameCount++; + aacDecInfo->byteParsed += inptr - *inbuf; + //printk(" decode one frame cost byte %d \n",inptr - *inbuf); + aacDecInfo->sampleDecoded += AAC_MAX_NSAMPS * (aacDecInfo->sbrEnabled ? 2 : 1); + *bytesLeft -= (inptr - *inbuf); + *inbuf = inptr; + } else { + aacDecInfo->frameCount++; + aacDecInfo->byteParsed = CalcBitsUsed(0, 0, 0) >> 3; + aacDecInfo->sampleDecoded += AAC_MAX_NSAMPS * (aacDecInfo->sbrEnabled ? 2 : 1); + *bytesLeft -= (CalcBitsUsed(0, 0, 0) >> 3); + // *inbuf = *inbuf+; + } + + + + return ERR_AAC_NONE; +} + diff --git a/audio_codec/wfd_aac_decoder/aacdec.h b/audio_codec/wfd_aac_decoder/aacdec.h new file mode 100644 index 0000000..6d22a9e --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/aacdec.h @@ -0,0 +1,206 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aacdec.h,v 1.8 2005/11/10 00:15:08 margotm Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * aacdec.h - public C API for AAC decoder + **************************************************************************************/ + +#ifndef _AACDEC_H +#define _AACDEC_H + +#define _ARC32 + +#if defined(_WIN32) && !defined(_WIN32_WCE) +# +#elif defined(_WIN32) && defined(_WIN32_WCE) && defined(ARM) +# +#elif defined(_WIN32) && defined(WINCE_EMULATOR) +# +#elif defined (__arm) && defined (__ARMCC_VERSION) +# +#elif defined(_SYMBIAN) && defined(__WINS__) +# +#elif defined(__GNUC__) && defined(__arm__) +# +#elif defined(__GNUC__) && defined(__i386__) +# +#elif defined(__GNUC__) && defined(__amd64__) +# +#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__POWERPC__)) +# +#elif defined(_OPENWAVE_SIMULATOR) || defined(_OPENWAVE_ARMULATOR) +# +#elif defined(_SOLARIS) && !defined(__GNUC__) +# +#elif defined(_ARC32) +#define __inline _Inline +#else +#error No platform defined. See valid options in aacdec.h +#endif + +#ifdef __cplusplus +extern "C" { +#endif + + /* according to spec (13818-7 section 8.2.2, 14496-3 section 4.5.3) + * max size of input buffer = + * 6144 bits = 768 bytes per SCE or CCE-I + * 12288 bits = 1536 bytes per CPE + * 0 bits = 0 bytes per CCE-D (uses bits from the SCE/CPE/CCE-I it is coupled to) + */ +#ifndef AAC_MAX_NCHANS /* if max channels isn't set in makefile, */ +#define AAC_MAX_NCHANS 6 /* set to default max number of channels */ +#endif +#define AAC_MAX_NSAMPS 1024 +#define AAC_MAINBUF_SIZE (768 * AAC_MAX_NCHANS) + +#define AAC_NUM_PROFILES 3 +#define AAC_PROFILE_MP 0 +#define AAC_PROFILE_LC 1 +#define AAC_PROFILE_SSR 2 + +#define AAC_INPUTBUF_SIZE (2 * 768 * 4) /* pick something big enough to hold a bunch of frames */ + + /* define these to enable decoder features */ +#ifndef __ARC600__ +#define HELIX_FEATURE_AUDIO_CODEC_AAC_SBR +#endif /* __ARC600__ */ +#if defined(HELIX_FEATURE_AUDIO_CODEC_AAC_SBR) +#define AAC_ENABLE_SBR +#endif // HELIX_FEATURE_AUDIO_CODEC_AAC_SBR. +#define AAC_ENABLE_MPEG4 + +#ifdef AAC_ENABLE_SBR +#define SBR_MUL 2 +#else +#define SBR_MUL 1 +#endif + + enum { + ERR_AAC_NONE = 0, + ERR_AAC_INDATA_UNDERFLOW = -1, + ERR_AAC_NULL_POINTER = -2, + ERR_AAC_INVALID_ADTS_HEADER = -3, + ERR_AAC_INVALID_ADIF_HEADER = -4, + ERR_AAC_INVALID_FRAME = -5, + ERR_AAC_MPEG4_UNSUPPORTED = -6, + ERR_AAC_CHANNEL_MAP = -7, + ERR_AAC_SYNTAX_ELEMENT = -8, + + ERR_AAC_DEQUANT = -9, + ERR_AAC_STEREO_PROCESS = -10, + ERR_AAC_PNS = -11, + ERR_AAC_SHORT_BLOCK_DEINT = -12, + ERR_AAC_TNS = -13, + ERR_AAC_IMDCT = -14, + ERR_AAC_NCHANS_TOO_HIGH = -15, + + ERR_AAC_SBR_INIT = -16, + ERR_AAC_SBR_BITSTREAM = -17, + ERR_AAC_SBR_DATA = -18, + ERR_AAC_SBR_PCM_FORMAT = -19, + ERR_AAC_SBR_NCHANS_TOO_HIGH = -20, + ERR_AAC_SBR_SINGLERATE_UNSUPPORTED = -21, + + ERR_AAC_RAWBLOCK_PARAMS = -22, + ERR_AAC_COFF_EXCEED_RANGE = -23, + ERR_AAC_HUFFMAN_DECODING = -24, + ERR_AAC_SPEC_NOT_MATCH = -25, + ERR_AAC_INVALID_ADTS_SYNCWORD = -26, + ERR_AAC_SSR_GAIN_NOT_ADDED = -27, + ERR_AAC_EXIT_DECODE = -28, + + ERR_UNKNOWN = -9999 + }; + + typedef struct _AACIOBuf { + int bytesLeft; + unsigned char *readPtr; + unsigned char readBuf[AAC_INPUTBUF_SIZE]; + short outBuf[AAC_MAX_NCHANS * AAC_MAX_NSAMPS * SBR_MUL]; + } AACIOBuf; + + typedef struct _AACFrameInfo { // should keep same as _audio_codec_config_aacdec_t in audio_codec_aac.h + int bitRate; + int nChans; + int sampRateCore; + int sampRateOut; + int bitsPerSample; + int outputSamps; + int profile; + int tnsUsed; + int pnsUsed; + int format; + unsigned total_byte_parsed; + unsigned total_sample_decoded; + unsigned audio_send_by_frame; + //#ifndef PRE_APOLLO + unsigned char *extra_data; + unsigned extradata_len; + //#endif + } AACFrameInfo; + + typedef void *HAACDecoder; + typedef void *HAACIOBuf; + + /* public C API */ + HAACDecoder AACInitDecoder(); + void AACFreeDecoder(HAACDecoder hAACDecoder); + int AACDecode(HAACDecoder hAACDecoder, unsigned char **inbuf, int *bytesLeft, short *outbuf); + + int AACFindSyncWord(unsigned char *buf, int nBytes); + void AACGetLastFrameInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo); + void AACGetDecoderInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo); + int AACSetRawBlockParams(HAACDecoder hAACDecoder, int copyLast, AACFrameInfo *aacFrameInfo); + int AACFlushCodec(HAACDecoder hAACDecoder); + +#ifdef HELIX_CONFIG_AAC_GENERATE_TRIGTABS_FLOAT + int AACInitTrigtabsFloat(void); + void AACFreeTrigtabsFloat(void); +#endif + + extern int AACDataSource; + +#ifdef __cplusplus +} +#endif + +#endif /* _AACDEC_H */ diff --git a/audio_codec/wfd_aac_decoder/aactabs.c b/audio_codec/wfd_aac_decoder/aactabs.c new file mode 100644 index 0000000..3cade7d --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/aactabs.c @@ -0,0 +1,157 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aactabs.c,v 1.1 2005/02/26 01:47:31 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * aactabs.c - platform-independent tables for AAC decoder (global, read-only) + **************************************************************************************/ + +#include "aaccommon.h" + +/* sample rates (table 4.5.1) */ +const int sampRateTab[NUM_SAMPLE_RATES] = { + 96000, 88200, 64000, 48000, 44100, 32000, + 24000, 22050, 16000, 12000, 11025, 8000 +}; + +/* max scalefactor band for prediction (main profile only) */ +const int predSFBMax[NUM_SAMPLE_RATES] = { + 33, 33, 38, 40, 40, 40, 41, 41, 37, 37, 37, 34 +}; + +/* channel mapping (table 1.6.3.4) (-1 = unknown, so need to determine mapping based on rules in 8.5.1) */ +const int channelMapTab[NUM_DEF_CHAN_MAPS] = { + -1, 1, 2, 3, 4, 5, 6, 8 +}; + +/* number of channels in each element (SCE, CPE, etc.) + * see AACElementID in aaccommon.h + */ +const int elementNumChans[NUM_ELEMENTS] = { + 1, 2, 0, 1, 0, 0, 0, 0 +}; + +/* total number of scale factor bands in one window */ +const unsigned char sfBandTotalShort[NUM_SAMPLE_RATES] = { + 12, 12, 12, 14, 14, 14, 15, 15, 15, 15, 15, 15 +}; + +const unsigned char sfBandTotalLong[NUM_SAMPLE_RATES] = { + 41, 41, 47, 49, 49, 51, 47, 47, 43, 43, 43, 40 +}; + +/* scale factor band tables */ +const int sfBandTabShortOffset[NUM_SAMPLE_RATES] = {0, 0, 0, 13, 13, 13, 28, 28, 44, 44, 44, 60}; + +const short sfBandTabShort[76] = { + /* short block 64, 88, 96 kHz [13] (tables 4.5.24, 4.5.26) */ + 0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128, + + /* short block 32, 44, 48 kHz [15] (table 4.5.15) */ + 0, 4, 8, 12, 16, 20, 28, 36, 44, 56, 68, 80, 96, 112, 128, + + /* short block 22, 24 kHz [16] (table 4.5.22) */ + 0, 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 64, 76, 92, 108, 128, + + /* short block 11, 12, 16 kHz [16] (table 4.5.20) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 40, 48, 60, 72, 88, 108, 128, + + /* short block 8 kHz [16] (table 4.5.18) */ + 0, 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 60, 72, 88, 108, 128 +}; + +const int sfBandTabLongOffset[NUM_SAMPLE_RATES] = {0, 0, 42, 90, 90, 140, 192, 192, 240, 240, 240, 284}; + +const short sfBandTabLong[325] = { + /* long block 88, 96 kHz [42] (table 4.5.25) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, + 56, 64, 72, 80, 88, 96, 108, 120, 132, 144, 156, 172, 188, 212, + 240, 276, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024, + + /* long block 64 kHz [48] (table 4.5.13) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 64, + 72, 80, 88, 100, 112, 124, 140, 156, 172, 192, 216, 240, 268, 304, 344, 384, + 424, 464, 504, 544, 584, 624, 664, 704, 744, 784, 824, 864, 904, 944, 984, 1024, + + /* long block 44, 48 kHz [50] (table 4.5.14) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, 80, 88, + 96, 108, 120, 132, 144, 160, 176, 196, 216, 240, 264, 292, 320, 352, 384, 416, 448, + 480, 512, 544, 576, 608, 640, 672, 704, 736, 768, 800, 832, 864, 896, 928, 1024, + + /* long block 32 kHz [52] (table 4.5.16) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, 80, 88, 96, + 108, 120, 132, 144, 160, 176, 196, 216, 240, 264, 292, 320, 352, 384, 416, 448, 480, 512, + 544, 576, 608, 640, 672, 704, 736, 768, 800, 832, 864, 896, 928, 960, 992, 1024, + + /* long block 22, 24 kHz [48] (table 4.5.21) */ + 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 52, 60, 68, 76, + 84, 92, 100, 108, 116, 124, 136, 148, 160, 172, 188, 204, 220, 240, 260, 284, + 308, 336, 364, 396, 432, 468, 508, 552, 600, 652, 704, 768, 832, 896, 960, 1024, + + /* long block 11, 12, 16 kHz [44] (table 4.5.19) */ + 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 100, 112, 124, + 136, 148, 160, 172, 184, 196, 212, 228, 244, 260, 280, 300, 320, 344, 368, + 396, 424, 456, 492, 532, 572, 616, 664, 716, 772, 832, 896, 960, 1024, + + /* long block 8 kHz [41] (table 4.5.17) */ + 0, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, + 172, 188, 204, 220, 236, 252, 268, 288, 308, 328, 348, 372, 396, 420, + 448, 476, 508, 544, 580, 620, 664, 712, 764, 820, 880, 944, 1024 +}; + + +/* TNS max bands (table 4.139) and max order (table 4.138) */ +const int tnsMaxBandsShortOffset[AAC_NUM_PROFILES] = {0, 0, 12}; + +const unsigned char tnsMaxBandsShort[2 * NUM_SAMPLE_RATES] = { + 9, 9, 10, 14, 14, 14, 14, 14, 14, 14, 14, 14, /* short block, Main/LC */ + 7, 7, 7, 6, 6, 6, 7, 7, 8, 8, 8, 7 /* short block, SSR */ +}; + +const unsigned char tnsMaxOrderShort[AAC_NUM_PROFILES] = {7, 7, 7}; + +const int tnsMaxBandsLongOffset[AAC_NUM_PROFILES] = {0, 0, 12}; + +const unsigned char tnsMaxBandsLong[2 * NUM_SAMPLE_RATES] = { + 31, 31, 34, 40, 42, 51, 46, 46, 42, 42, 42, 39, /* long block, Main/LC */ + 28, 28, 27, 26, 26, 26, 29, 29, 23, 23, 23, 19, /* long block, SSR */ +}; + +const unsigned char tnsMaxOrderLong[AAC_NUM_PROFILES] = {20, 12, 12}; diff --git a/audio_codec/wfd_aac_decoder/assembly.h b/audio_codec/wfd_aac_decoder/assembly.h new file mode 100644 index 0000000..43be7fc --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/assembly.h @@ -0,0 +1,640 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: assembly.h,v 1.9 2007/02/28 07:10:21 gahluwalia Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * assembly.h - inline assembly language functions and prototypes + * + * MULSHIFT32(x, y) signed multiply of two 32-bit integers (x and y), + * returns top 32-bits of 64-bit result + * CLIPTOSHORT(x) convert 32-bit integer to 16-bit short, + * clipping to [-32768, 32767] + * FASTABS(x) branchless absolute value of signed integer x + * CLZ(x) count leading zeros on signed integer x + * MADD64(sum64, x, y) 64-bit multiply accumulate: sum64 += (x*y) + **************************************************************************************/ + +#ifndef _ASSEMBLY_H +#define _ASSEMBLY_H + +/* toolchain: MSFT Visual C++ + * target architecture: x86 + */ +#if 0//(defined (_WIN32) && !defined (_WIN32_WCE)) || (defined (__WINS__) && defined (_SYMBIAN)) || (defined (WINCE_EMULATOR)) || (defined (_OPENWAVE_SIMULATOR)) + +#pragma warning( disable : 4035 ) /* complains about inline asm not returning a value */ + +static __inline int MULSHIFT32(int x, int y) +{ + __asm { + mov eax, x + imul y + mov eax, edx + } +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +#ifdef __CW32__ +typedef long long Word64; +#else +typedef __int64 Word64; +#endif + +typedef union _U64 { + Word64 w64; + struct { + /* x86 = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +/* returns 64-bit value in [edx:eax] */ +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ +#if (defined (_SYMBIAN_61_) || defined (_SYMBIAN_70_)) && defined (__WINS__) && !defined (__CW32__) + /* Workaround for the Symbian emulator because of non existing longlong.lib and + * hence __allmul not defined. */ + __asm { + mov eax, x + imul y + add dword ptr sum64, eax + adc dword ptr sum64 + 4, edx + } +#else + sum64 += (Word64)x * (Word64)y; +#endif + + return sum64; +} + +/* toolchain: MSFT Embedded Visual C++ + * target architecture: ARM v.4 and above (require 'M' type processor for 32x32->64 multiplier) + */ +#elif 1//defined (_WIN32) && defined (_WIN32_WCE) && defined (ARM) + +static short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +/* implemented in asmfunc.s */ +#ifdef __cplusplus +extern "C" { +#endif + + typedef long long Word64; + + typedef union _U64 { + Word64 w64; + struct { + /* ARM WinCE = little endian */ + unsigned int lo32; + signed int hi32; + } r; + } U64; + + /* manual name mangling for just this platform (must match labels in .s file) */ +//#define MULSHIFT32 raac_MULSHIFT32 +//#define MADD64 raac_MADD64 +static int MULSHIFT32(int x, int y) +{ + long c; + c = (long long)x * y; + return (int)c; +} + +static Word64 MADD64(Word64 sum64, int x, int y) +{ + sum64 += (long long)x * y; + return sum64; +} + +#ifdef __cplusplus +} +#endif + +/* toolchain: ARM ADS or RealView + * target architecture: ARM v.4 and above (requires 'M' type processor for 32x32->64 multiplier) + */ +#elif (defined (__arm) && defined (__ARMCC_VERSION)) || (defined(HELIX_CONFIG_SYMBIAN_GENERATE_MMP) && !defined(__GCCE__)) + +static __inline int MULSHIFT32(int x, int y) +{ + /* rules for smull RdLo, RdHi, Rm, Rs: + * RdHi != Rm + * RdLo != Rm + * RdHi != RdLo + */ + int zlow; + __asm { + smull zlow, y, x, y + } + + return y; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; + + /* ARM code would look like this, but do NOT use inline asm in ADS for this, + because you can't safely use the status register flags intermixed with C code + + __asm { + mov numZeros, #1 + tst x, 0xffff0000 + addeq numZeros, numZeros, #16 + moveq x, x, lsl #16 + tst x, 0xff000000 + addeq numZeros, numZeros, #8 + moveq x, x, lsl #8 + tst x, 0xf0000000 + addeq numZeros, numZeros, #4 + moveq x, x, lsl #4 + tst x, 0xc0000000 + addeq numZeros, numZeros, #2 + moveq x, x, lsl #2 + sub numZeros, numZeros, x, lsr #31 + } + */ + /* reference: + numZeros = 0; + while (!(x & 0x80000000)) { + numZeros++; + x <<= 1; + } + */ +} + +typedef __int64 Word64; + +typedef union _U64 { + Word64 w64; + struct { + /* ARM ADS = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + U64 u; + u.w64 = sum64; + + __asm { + smlal u.r.lo32, u.r.hi32, x, y + } + + return u.w64; +} + +/* toolchain: ARM gcc + * target architecture: ARM v.4 and above (requires 'M' type processor for 32x32->64 multiplier) + */ +#elif defined(__GNUC__) && defined(__arm__) + +static __inline__ int MULSHIFT32(int x, int y) +{ + int zlow; + __asm__ volatile("smull %0,%1,%2,%3" : "=&r"(zlow), "=r"(y) : "r"(x), "1"(y) : "cc"); + return y; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return (sizeof(int) * 8); + } + + numZeros = 0; + while (!(x & 0x80000000)) { + numZeros++; + x <<= 1; + } + + return numZeros; +} + +typedef long long Word64; + +typedef union _U64 { + Word64 w64; + struct { + /* ARM ADS = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + U64 u; + u.w64 = sum64; + + __asm__ volatile("smlal %0,%1,%2,%3" : "+&r"(u.r.lo32), "+&r"(u.r.hi32) : "r"(x), "r"(y) : "cc"); + + return u.w64; +} + +/* toolchain: x86 gcc + * target architecture: x86 + */ +#elif defined(__GNUC__) && (defined(__i386__) || defined(__amd64__)) || (defined (_SOLARIS) && !defined (__GNUC__) && defined(_SOLARISX86)) + +typedef long long Word64; + +static __inline__ int MULSHIFT32(int x, int y) +{ + int z; + + z = (Word64)x * (Word64)y >> 32; + + return z; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +typedef union _U64 { + Word64 w64; + struct { + /* x86 = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + sum64 += (Word64)x * (Word64)y; + + return sum64; +} + +#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__POWERPC__)) || (defined (_SOLARIS) && !defined (__GNUC__) && !defined (_SOLARISX86)) + +typedef long long Word64; + +static __inline__ int MULSHIFT32(int x, int y) +{ + int z; + + z = (Word64)x * (Word64)y >> 32; + + return z; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +typedef union _U64 { + Word64 w64; + struct { + /* PowerPC = big endian */ + signed int hi32; + unsigned int lo32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + sum64 += (Word64)x * (Word64)y; + + return sum64; +} + +#else + +#error Unsupported platform in assembly.h + +#endif /* platforms */ + +#endif /* _ASSEMBLY_H */ diff --git a/audio_codec/wfd_aac_decoder/assembly_mw.h b/audio_codec/wfd_aac_decoder/assembly_mw.h new file mode 100644 index 0000000..335f4b0 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/assembly_mw.h @@ -0,0 +1,743 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: assembly.h,v 1.7 2005/11/10 00:04:40 margotm Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * assembly.h - inline assembly language functions and prototypes + * + * MULSHIFT32(x, y) signed multiply of two 32-bit integers (x and y), + * returns top 32-bits of 64-bit result + * CLIPTOSHORT(x) convert 32-bit integer to 16-bit short, + * clipping to [-32768, 32767] + * FASTABS(x) branchless absolute value of signed integer x + * CLZ(x) count leading zeros on signed integer x + * MADD64(sum64, x, y) 64-bit multiply accumulate: sum64 += (x*y) + **************************************************************************************/ + +#ifndef _ASSEMBLY_H +#define _ASSEMBLY_H + +//#define _Inline inline +#define _ARC32 +/* toolchain: MSFT Visual C++ + * target architecture: x86 + */ +#if (defined (_WIN32) && !defined (_WIN32_WCE)) || (defined (__WINS__) && defined (_SYMBIAN)) || (defined (WINCE_EMULATOR)) || (defined (_OPENWAVE_SIMULATOR)) + +#pragma warning( disable : 4035 ) /* complains about inline asm not returning a value */ + +static __inline int MULSHIFT32(int x, int y) +{ + __asm { + mov eax, x + imul y + mov eax, edx + } +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +#ifdef __CW32__ +typedef long long Word64; +#else +typedef __int64 Word64; +#endif + +typedef union _U64 { + Word64 w64; + struct { + /* x86 = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +/* returns 64-bit value in [edx:eax] */ +static __inline Word64 madd64(Word64 sum64, int x, int y) +{ +#if (defined (_SYMBIAN_61_) || defined (_SYMBIAN_70_)) && defined (__WINS__) && !defined (__CW32__) + /* Workaround for the Symbian emulator because of non existing longlong.lib and + * hence __allmul not defined. */ + __asm { + mov eax, x + imul y + add dword ptr sum64, eax + adc dword ptr sum64 + 4, edx + } +#else + sum64 += (Word64)x * (Word64)y; + + /* equivalent to return (sum + ((__int64)x * y)); */ +#endif +} + +#define SET_ZERO(x) x=0 +#define MADD64(sum64, x, y) sum64=madd64(sum64, x, y) +#define ADD64(x64, y64) x64 += y64; + +/* toolchain: MSFT Embedded Visual C++ + * target architecture: ARM v.4 and above (require 'M' type processor for 32x32->64 multiplier) + */ +#elif defined (_WIN32) && defined (_WIN32_WCE) && defined (ARM) + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +/* implemented in asmfunc.s */ +#ifdef __cplusplus +extern "C" { +#endif + + typedef __int64 Word64; + + typedef union _U64 { + Word64 w64; + struct { + /* ARM WinCE = little endian */ + unsigned int lo32; + signed int hi32; + } r; + } U64; + + /* manual name mangling for just this platform (must match labels in .s file) */ +#define MULSHIFT32 raac_MULSHIFT32 +#define MADD64 raac_MADD64 + + int MULSHIFT32(int x, int y); + Word64 MADD64(Word64 sum64, int x, int y); + +#ifdef __cplusplus +} +#endif + +/* toolchain: ARM ADS or RealView + * target architecture: ARM v.4 and above (requires 'M' type processor for 32x32->64 multiplier) + */ +#elif (defined (__arm) && defined (__ARMCC_VERSION)) || (defined(HELIX_CONFIG_SYMBIAN_GENERATE_MMP) && !defined(__GCCE__)) + +static __inline int MULSHIFT32(int x, int y) +{ + /* rules for smull RdLo, RdHi, Rm, Rs: + * RdHi != Rm + * RdLo != Rm + * RdHi != RdLo + */ + int zlow; + __asm { + smull zlow, y, x, y + } + + return y; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; + + /* ARM code would look like this, but do NOT use inline asm in ADS for this, + because you can't safely use the status register flags intermixed with C code + + __asm { + mov numZeros, #1 + tst x, 0xffff0000 + addeq numZeros, numZeros, #16 + moveq x, x, lsl #16 + tst x, 0xff000000 + addeq numZeros, numZeros, #8 + moveq x, x, lsl #8 + tst x, 0xf0000000 + addeq numZeros, numZeros, #4 + moveq x, x, lsl #4 + tst x, 0xc0000000 + addeq numZeros, numZeros, #2 + moveq x, x, lsl #2 + sub numZeros, numZeros, x, lsr #31 + } + */ + /* reference: + numZeros = 0; + while (!(x & 0x80000000)) { + numZeros++; + x <<= 1; + } + */ +} + +typedef __int64 Word64; + +typedef union _U64 { + Word64 w64; + struct { + /* ARM ADS = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + U64 u; + u.w64 = sum64; + + __asm { + smlal u.r.lo32, u.r.hi32, x, y + } + + return u.w64; +} + +/* toolchain: ARM gcc + * target architecture: ARM v.4 and above (requires 'M' type processor for 32x32->64 multiplier) + */ +#elif defined(__GNUC__) && defined(__arm__) + +static __inline__ int MULSHIFT32(int x, int y) +{ + int zlow; + __asm__ volatile("smull %0,%1,%2,%3" : "=&r"(zlow), "=r"(y) : "r"(x), "1"(y) : "cc"); + return y; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return (sizeof(int) * 8); + } + + numZeros = 0; + while (!(x & 0x80000000)) { + numZeros++; + x <<= 1; + } + + return numZeros; +} + +typedef long long Word64; + +typedef union _U64 { + Word64 w64; + struct { + /* ARM ADS = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + U64 u; + u.w64 = sum64; + + __asm__ volatile("smlal %0,%1,%2,%3" : "+&r"(u.r.lo32), "+&r"(u.r.hi32) : "r"(x), "r"(y) : "cc"); + + return u.w64; +} + +/* toolchain: x86 gcc + * target architecture: x86 + */ +#elif defined(__GNUC__) && (defined(__i386__) || defined(__amd64__)) || (defined (_SOLARIS) && !defined (__GNUC__) && defined(_SOLARISX86)) + +typedef long long Word64; + +static __inline__ int MULSHIFT32(int x, int y) +{ + int z; + + z = (Word64)x * (Word64)y >> 32; + + return z; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +typedef union _U64 { + Word64 w64; + struct { + /* x86 = little endian */ + unsigned int lo32; + signed int hi32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + sum64 += (Word64)x * (Word64)y; + + return sum64; +} + +#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__POWERPC__)) || (defined (_SOLARIS) && !defined (__GNUC__) && !defined (_SOLARISX86)) + +typedef long long Word64; + +static __inline__ int MULSHIFT32(int x, int y) +{ + int z; + + z = (Word64)x * (Word64)y >> 32; + + return z; +} + +static __inline short CLIPTOSHORT(int x) +{ + int sign; + + /* clip to [-32768, 32767] */ + sign = x >> 31; + if (sign != (x >> 15)) { + x = sign ^((1 << 15) - 1); + } + + return (short)x; +} + +static __inline int FASTABS(int x) +{ + int sign; + + sign = x >> (sizeof(int) * 8 - 1); + x ^= sign; + x -= sign; + + return x; +} + +static __inline int CLZ(int x) +{ + int numZeros; + + if (!x) { + return 32; + } + + /* count leading zeros with binary search (function should be 17 ARM instructions total) */ + numZeros = 1; + if (!((unsigned int)x >> 16)) { + numZeros += 16; + x <<= 16; + } + if (!((unsigned int)x >> 24)) { + numZeros += 8; + x <<= 8; + } + if (!((unsigned int)x >> 28)) { + numZeros += 4; + x <<= 4; + } + if (!((unsigned int)x >> 30)) { + numZeros += 2; + x <<= 2; + } + + numZeros -= ((unsigned int)x >> 31); + + return numZeros; +} + +typedef union _U64 { + Word64 w64; + struct { + /* PowerPC = big endian */ + signed int hi32; + unsigned int lo32; + } r; +} U64; + +static __inline Word64 MADD64(Word64 sum64, int x, int y) +{ + sum64 += (Word64)x * (Word64)y; + + return sum64; +} + +#elif defined(_ARC32) + +_Asm _Inline int MULSHIFT32(int x, int y) +{ + % reg x, y + mullw 0, x, y + machlw % r0, x, y + % error +} + +_Asm _Inline short CLIPTOSHORT(int x) +{ + % reg x + min % r0, x, 0x7fff + max % r0, % r0, -0x8000 + % error +} + +_Asm _Inline int FASTABS(int x) +{ + % reg x + abs % r0, x + % error +} + +_Asm _Inline int CLZ(int x) +{ + /* assume x>0, if x<0 should return 0 */ + % reg x; + norm % r0, x + add % r0, % r0, 1 + % error +} +#endif +typedef struct { + unsigned int lo32; + signed int hi32; +} Word64; + +typedef union _U64 { + Word64 w64; + struct { + unsigned int lo32; + signed int hi32; + } r; +} U64; + +_Asm _Inline unsigned add64_lo(unsigned int xlo, unsigned int ylo) +{ + % reg xlo, ylo; + add.f % r0, xlo, ylo + % error +} + +_Asm _Inline int add64_hi(unsigned int xhi, unsigned int yhi) +{ + % reg xhi, yhi; + adc % r0, xhi, yhi + % error +} + +_Asm _Inline unsigned madd64_lo(unsigned lo, int a, int b) +{ + % reg lo, a, b; + mpy % r0, a, b + add.f % r0, lo, % r0 + % error +} + + +_Asm _Inline int madd64_hi(int hi, int a, int b) +{ + % reg hi, a, b; + mpyh % r0, a, b + adc % r0, hi, % r0 + % error +} + + + +_Asm _Inline void madd64(int a, int b) +{ + % reg a, b; + mulhlw 0, a, b + maclw 0, a, b + % error +} + +_Asm _Inline int madd64hi(int hi) +{ + % reg hi + //mov %r0, %acc2 + adc % r0, hi, % acc1 + % error +} + +_Asm _Inline int madd64lo(int lo) +{ + % reg lo + //mov %r0, %acc1 + add.f % r0, lo, % acc2 + % error +} + + + +#define SET_ZERO(x) x.lo32 = x.hi32 = 0 + +#define MADD64(w64, a, b) madd64(a, b); w64.lo32 = madd64lo(w64.lo32); w64.hi32 = madd64hi(w64.hi32); + +#define ADD64(x64, y64) x64.lo32 = add64_lo(x64.lo32,y64.lo32); x64.hi32 = add64_hi(x64.hi32,y64.hi32); + +#endif /* _ASSEMBLY_H */ diff --git a/audio_codec/wfd_aac_decoder/bitstream.c b/audio_codec/wfd_aac_decoder/bitstream.c new file mode 100644 index 0000000..d92b2c8 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/bitstream.c @@ -0,0 +1,261 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: bitstream.c,v 1.1.2.1.6.1 2005/10/19 00:18:49 gwright Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * bitstream.c - bitstream parsing functions + **************************************************************************************/ + +#include "bitstream.h" + +/************************************************************************************** + * Function: SetBitstreamPointer + * + * Description: initialize bitstream reader + * + * Inputs: pointer to BitStreamInfo struct + * number of bytes in bitstream + * pointer to byte-aligned buffer of data to read from + * + * Outputs: initialized bitstream info struct + * + * Return: none + **************************************************************************************/ +void SetBitstreamPointer(BitStreamInfo *bsi, int nBytes, unsigned char *buf) +{ + /* init bitstream */ + bsi->bytePtr = buf; + bsi->iCache = 0; /* 4-byte unsigned int */ + bsi->cachedBits = 0; /* i.e. zero bits in cache */ + bsi->nBytes = nBytes; +} + +/************************************************************************************** + * Function: RefillBitstreamCache + * + * Description: read new data from bitstream buffer into 32-bit cache + * + * Inputs: pointer to initialized BitStreamInfo struct + * + * Outputs: updated bitstream info struct + * + * Return: none + * + * Notes: only call when iCache is completely drained (resets bitOffset to 0) + * always loads 4 new bytes except when bsi->nBytes < 4 (end of buffer) + * stores data as big-endian in cache, regardless of machine endian-ness + **************************************************************************************/ +static void RefillBitstreamCache(BitStreamInfo *bsi) +{ + int nBytes = bsi->nBytes; + + /* optimize for common case, independent of machine endian-ness */ + if (nBytes >= 4) { + bsi->iCache = (*bsi->bytePtr++) << 24; + bsi->iCache |= (*bsi->bytePtr++) << 16; + bsi->iCache |= (*bsi->bytePtr++) << 8; + bsi->iCache |= (*bsi->bytePtr++); + bsi->cachedBits = 32; + bsi->nBytes -= 4; + } else { + bsi->iCache = 0; + while (nBytes--) { + bsi->iCache |= (*bsi->bytePtr++); + bsi->iCache <<= 8; + } + bsi->iCache <<= ((3 - bsi->nBytes) * 8); + bsi->cachedBits = 8 * bsi->nBytes; + bsi->nBytes = 0; + } +} + +/************************************************************************************** + * Function: GetBits + * + * Description: get bits from bitstream, advance bitstream pointer + * + * Inputs: pointer to initialized BitStreamInfo struct + * number of bits to get from bitstream + * + * Outputs: updated bitstream info struct + * + * Return: the next nBits bits of data from bitstream buffer + * + * Notes: nBits must be in range [0, 31], nBits outside this range masked by 0x1f + * for speed, does not indicate error if you overrun bit buffer + * if nBits == 0, returns 0 + **************************************************************************************/ +unsigned int GetBits(BitStreamInfo *bsi, int nBits) +{ + unsigned int data, lowBits; + + nBits &= 0x1f; /* nBits mod 32 to avoid unpredictable results like >> by negative amount */ + data = bsi->iCache >> (31 - nBits); /* unsigned >> so zero-extend */ + data >>= 1; /* do as >> 31, >> 1 so that nBits = 0 works okay (returns 0) */ + bsi->iCache <<= nBits; /* left-justify cache */ + bsi->cachedBits -= nBits; /* how many bits have we drawn from the cache so far */ + + /* if we cross an int boundary, refill the cache */ + if (bsi->cachedBits < 0) { + lowBits = -bsi->cachedBits; + RefillBitstreamCache(bsi); + data |= bsi->iCache >> (32 - lowBits); /* get the low-order bits */ + + bsi->cachedBits -= lowBits; /* how many bits have we drawn from the cache so far */ + bsi->iCache <<= lowBits; /* left-justify cache */ + } + + return data; +} + +/************************************************************************************** + * Function: GetBitsNoAdvance + * + * Description: get bits from bitstream, do not advance bitstream pointer + * + * Inputs: pointer to initialized BitStreamInfo struct + * number of bits to get from bitstream + * + * Outputs: none (state of BitStreamInfo struct left unchanged) + * + * Return: the next nBits bits of data from bitstream buffer + * + * Notes: nBits must be in range [0, 31], nBits outside this range masked by 0x1f + * for speed, does not indicate error if you overrun bit buffer + * if nBits == 0, returns 0 + **************************************************************************************/ +unsigned int GetBitsNoAdvance(BitStreamInfo *bsi, int nBits) +{ + unsigned char *buf; + unsigned int data, iCache; + signed int lowBits; + + nBits &= 0x1f; /* nBits mod 32 to avoid unpredictable results like >> by negative amount */ + data = bsi->iCache >> (31 - nBits); /* unsigned >> so zero-extend */ + data >>= 1; /* do as >> 31, >> 1 so that nBits = 0 works okay (returns 0) */ + lowBits = nBits - bsi->cachedBits; /* how many bits do we have left to read */ + + /* if we cross an int boundary, read next bytes in buffer */ + if (lowBits > 0) { + iCache = 0; + buf = bsi->bytePtr; + while (lowBits > 0) { + iCache <<= 8; + if (buf < bsi->bytePtr + bsi->nBytes) { + iCache |= (unsigned int) * buf++; + } + lowBits -= 8; + } + lowBits = -lowBits; + data |= iCache >> lowBits; + } + + return data; +} + +/************************************************************************************** + * Function: AdvanceBitstream + * + * Description: move bitstream pointer ahead + * + * Inputs: pointer to initialized BitStreamInfo struct + * number of bits to advance bitstream + * + * Outputs: updated bitstream info struct + * + * Return: none + * + * Notes: generally used following GetBitsNoAdvance(bsi, maxBits) + **************************************************************************************/ +void AdvanceBitstream(BitStreamInfo *bsi, int nBits) +{ + nBits &= 0x1f; + if (nBits > bsi->cachedBits) { + nBits -= bsi->cachedBits; + RefillBitstreamCache(bsi); + } + bsi->iCache <<= nBits; + bsi->cachedBits -= nBits; +} + +/************************************************************************************** + * Function: CalcBitsUsed + * + * Description: calculate how many bits have been read from bitstream + * + * Inputs: pointer to initialized BitStreamInfo struct + * pointer to start of bitstream buffer + * bit offset into first byte of startBuf (0-7) + * + * Outputs: none + * + * Return: number of bits read from bitstream, as offset from startBuf:startOffset + **************************************************************************************/ +int CalcBitsUsed(BitStreamInfo *bsi, unsigned char *startBuf, int startOffset) +{ + int bitsUsed; + + bitsUsed = (bsi->bytePtr - startBuf) * 8; + bitsUsed -= bsi->cachedBits; + bitsUsed -= startOffset; + + return bitsUsed; +} + +/************************************************************************************** + * Function: ByteAlignBitstream + * + * Description: bump bitstream pointer to start of next byte + * + * Inputs: pointer to initialized BitStreamInfo struct + * + * Outputs: byte-aligned bitstream BitStreamInfo struct + * + * Return: none + * + * Notes: if bitstream is already byte-aligned, do nothing + **************************************************************************************/ +void ByteAlignBitstream(BitStreamInfo *bsi) +{ + int offset; + + offset = bsi->cachedBits & 0x07; + AdvanceBitstream(bsi, offset); +} diff --git a/audio_codec/wfd_aac_decoder/bitstream.h b/audio_codec/wfd_aac_decoder/bitstream.h new file mode 100644 index 0000000..5bfc54d --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/bitstream.h @@ -0,0 +1,74 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: bitstream.h,v 1.1.2.1 2005/02/26 02:05:12 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * bitstream.h - definitions of bitstream handling functions + **************************************************************************************/ + +#ifndef _BITSTREAM_H +#define _BITSTREAM_H + +#include "aaccommon.h" + +/* additional external symbols to name-mangle for static linking */ +#define SetBitstreamPointer STATNAME(SetBitstreamPointer) +#define GetBits STATNAME(GetBits) +#define GetBitsNoAdvance STATNAME(GetBitsNoAdvance) +#define AdvanceBitstream STATNAME(AdvanceBitstream) +#define CalcBitsUsed STATNAME(CalcBitsUsed) +#define ByteAlignBitstream STATNAME(ByteAlignBitstream) + +typedef struct _BitStreamInfo { + unsigned char *bytePtr; + unsigned int iCache; + int cachedBits; + int nBytes; +} BitStreamInfo; + +/* bitstream.c */ +void SetBitstreamPointer(BitStreamInfo *bsi, int nBytes, unsigned char *buf); +unsigned int GetBits(BitStreamInfo *bsi, int nBits); +unsigned int GetBitsNoAdvance(BitStreamInfo *bsi, int nBits); +void AdvanceBitstream(BitStreamInfo *bsi, int nBits); +int CalcBitsUsed(BitStreamInfo *bsi, unsigned char *startBuf, int startOffset); +void ByteAlignBitstream(BitStreamInfo *bsi); + +#endif /* _BITSTREAM_H */ diff --git a/audio_codec/wfd_aac_decoder/buffers.c b/audio_codec/wfd_aac_decoder/buffers.c new file mode 100644 index 0000000..2428213 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/buffers.c @@ -0,0 +1,140 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: buffers.c,v 1.1.2.1 2005/02/26 02:05:12 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * buffers.c - allocation and deallocation of internal AAC decoder buffers + **************************************************************************************/ + +#ifdef USE_DEFAULT_STDLIB +#include +#else +#include "hlxclib/stdlib.h" +#endif + +#include "coder.h" + +/************************************************************************************** + * Function: ClearBuffer + * + * Description: fill buffer with 0's + * + * Inputs: pointer to buffer + * number of bytes to fill with 0 + * + * Outputs: cleared buffer + * + * Return: none + * + * Notes: slow, platform-independent equivalent to memset(buf, 0, nBytes) + **************************************************************************************/ +void ClearBuffer(void *buf, int nBytes) +{ + int i; + unsigned char *cbuf = (unsigned char *)buf; + + for (i = 0; i < nBytes; i++) { + cbuf[i] = 0; + } + + return; +} + +/************************************************************************************** + * Function: AllocateBuffers + * + * Description: allocate all the memory needed for the AAC decoder + * + * Inputs: none + * + * Outputs: none + * + * Return: pointer to AACDecInfo structure, cleared to all 0's (except for + * pointer to platform-specific data structure) + * + * Notes: if one or more mallocs fail, function frees any buffers already + * allocated before returning + **************************************************************************************/ +AACDecInfo *AllocateBuffers(void) +{ + AACDecInfo *aacDecInfo; + + aacDecInfo = (AACDecInfo *)malloc(sizeof(AACDecInfo)); + if (!aacDecInfo) { + return 0; + } + ClearBuffer(aacDecInfo, sizeof(AACDecInfo)); + + aacDecInfo->psInfoBase = malloc(sizeof(PSInfoBase)); + if (!aacDecInfo->psInfoBase) { + FreeBuffers(aacDecInfo); + return 0; + } + ClearBuffer(aacDecInfo->psInfoBase, sizeof(PSInfoBase)); + + return aacDecInfo; +} + +#ifndef SAFE_FREE +#define SAFE_FREE(x) {if (x) free(x); (x) = 0;} /* helper macro */ +#endif + +/************************************************************************************** + * Function: FreeBuffers + * + * Description: frees all the memory used by the AAC decoder + * + * Inputs: pointer to initialized AACDecInfo structure + * + * Outputs: none + * + * Return: none + * + * Notes: safe to call even if some buffers were not allocated (uses SAFE_FREE) + **************************************************************************************/ +void FreeBuffers(AACDecInfo *aacDecInfo) +{ + if (!aacDecInfo) { + return; + } + + SAFE_FREE(aacDecInfo->psInfoBase); + SAFE_FREE(aacDecInfo); +} diff --git a/audio_codec/wfd_aac_decoder/coder.h b/audio_codec/wfd_aac_decoder/coder.h new file mode 100644 index 0000000..d57e5d7 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/coder.h @@ -0,0 +1,369 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: coder.h,v 1.2 2005/06/27 21:06:00 gwright Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * coder.h - definitions of platform-specific data structures, functions, and tables + **************************************************************************************/ + +#ifndef _CODER_H +#define _CODER_H + +#include "aaccommon.h" +#include "bitstream.h" + +#if 1//ndef ASSERT +#if 0// defined(_WIN32) && defined(_M_IX86) && (defined (_DEBUG) || defined (REL_ENABLE_ASSERTS)) +#define ASSERT(x) if (!(x)) __asm int 3; +#else +#define ASSERT(x,errid) do{if(!(x)) {/*printk(" aac decoder error ,errid %d\n",(errid));*/return (errid);}}while(0)/* do nothing */ +#endif +#endif + +#ifndef MAX +#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef MIN +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#endif + +#define NWINDOWS_LONG 1 +#define NWINDOWS_SHORT 8 + +#define DATA_BUF_SIZE 510 /* max count = 255 + 255 */ +#define FILL_BUF_SIZE 269 /* max count = 15 + 255 - 1*/ +#define ADIF_COPYID_SIZE 9 +#define MAX_COMMENT_BYTES 255 + +#define MAX_NUM_FCE 15 +#define MAX_NUM_SCE 15 +#define MAX_NUM_BCE 15 +#define MAX_NUM_LCE 3 +#define MAX_NUM_ADE 7 +#define MAX_NUM_CCE 15 + +#define CHAN_ELEM_IS_CPE(x) (((x) & 0x10) >> 4) /* bit 4 = SCE/CPE flag */ +#define CHAN_ELEM_GET_TAG(x) (((x) & 0x0f) >> 0) /* bits 3-0 = instance tag */ + +#define CHAN_ELEM_SET_CPE(x) (((x) & 0x01) << 4) /* bit 4 = SCE/CPE flag */ +#define CHAN_ELEM_SET_TAG(x) (((x) & 0x0f) << 0) /* bits 3-0 = instance tag */ + +#define MAX_HUFF_BITS 20 +#define HUFFTAB_SPEC_OFFSET 1 + +/* do y <<= n, clipping to range [-2^30, 2^30 - 1] (i.e. output has one guard bit) */ +#define CLIP_2N_SHIFT(y, n) { \ + int sign = (y) >> 31; \ + if (sign != (y) >> (30 - (n))) { \ + (y) = sign ^ (0x3fffffff); \ + } else { \ + (y) = (y) << (n); \ + } \ + } + +/* clip to [-2^n, 2^n-1], valid range of n = [1, 30] */ +#define CLIP_2N(val, n) { \ + if ((val) >> 31 != (val) >> (n)) \ + (val) = ((val) >> 31) ^ ((1 << (n)) - 1); \ + } + +#define SF_DQ_OFFSET 15 +#define FBITS_OUT_DQ 20 +#define FBITS_OUT_DQ_OFF (FBITS_OUT_DQ - SF_DQ_OFFSET) /* number of fraction bits out of dequant, including 2^15 bias */ + +#define FBITS_IN_IMDCT FBITS_OUT_DQ_OFF /* number of fraction bits into IMDCT */ +#define GBITS_IN_DCT4 4 /* min guard bits in for DCT4 */ + +#define FBITS_LOST_DCT4 1 /* number of fraction bits lost (>> out) in DCT-IV */ +#define FBITS_LOST_WND 1 /* number of fraction bits lost (>> out) in synthesis window (neg = gain frac bits) */ +#define FBITS_LOST_IMDCT (FBITS_LOST_DCT4 + FBITS_LOST_WND) +#define FBITS_OUT_IMDCT (FBITS_IN_IMDCT - FBITS_LOST_IMDCT) + +#define NUM_IMDCT_SIZES 2 + +/* additional external symbols to name-mangle for static linking */ +#define DecodeProgramConfigElement STATNAME(DecodeProgramConfigElement) +#define DecodeHuffmanScalar STATNAME(DecodeHuffmanScalar) +#define DecodeSpectrumLong STATNAME(DecodeSpectrumLong) +#define DecodeSpectrumShort STATNAME(DecodeSpectrumShort) +#define DecodeICSInfo STATNAME(DecodeICSInfo) +#define DCT4 STATNAME(DCT4) +#define R4FFT STATNAME(R4FFT) + +#define DecWindowOverlapNoClip STATNAME(DecWindowOverlapNoClip) +#define DecWindowOverlapLongStartNoClip STATNAME(DecWindowOverlapLongStartNoClip) +#define DecWindowOverlapLongStopNoClip STATNAME(DecWindowOverlapLongStopNoClip) +#define DecWindowOverlapShortNoClip STATNAME(DecWindowOverlapShortNoClip) + +#define huffTabSpecInfo STATNAME(huffTabSpecInfo) +#define huffTabSpec STATNAME(huffTabSpec) +#define huffTabScaleFactInfo STATNAME(huffTabScaleFactInfo) +#define huffTabScaleFact STATNAME(huffTabScaleFact) +#define cos4sin4tab STATNAME(cos4sin4tab) +#define cos4sin4tabOffset STATNAME(cos4sin4tabOffset) +#define cos1sin1tab STATNAME(cos1sin1tab) +#define sinWindow STATNAME(sinWindow) +#define sinWindowOffset STATNAME(sinWindowOffset) +#define kbdWindow STATNAME(kbdWindow) +#define kbdWindowOffset STATNAME(kbdWindowOffset) +#define bitrevtab STATNAME(bitrevtab) +#define bitrevtabOffset STATNAME(bitrevtabOffset) +#define uniqueIDTab STATNAME(uniqueIDTab) +#define twidTabEven STATNAME(twidTabEven) +#define twidTabOdd STATNAME(twidTabOdd) + +typedef struct _HuffInfo { + int maxBits; /* number of bits in longest codeword */ + unsigned char count[MAX_HUFF_BITS]; /* count[i] = number of codes with length i+1 bits */ + int offset; /* offset into symbol table */ +} HuffInfo; + +typedef struct _PulseInfo { + unsigned char pulseDataPresent; + unsigned char numPulse; + unsigned char startSFB; + unsigned char offset[MAX_PULSES]; + unsigned char amp[MAX_PULSES]; +} PulseInfo; + +typedef struct _TNSInfo { + unsigned char tnsDataPresent; + unsigned char numFilt[MAX_TNS_FILTERS]; /* max 1 filter each for 8 short windows, or 3 filters for 1 long window */ + unsigned char coefRes[MAX_TNS_FILTERS]; + unsigned char length[MAX_TNS_FILTERS]; + unsigned char order[MAX_TNS_FILTERS]; + unsigned char dir[MAX_TNS_FILTERS]; + signed char coef[MAX_TNS_COEFS]; /* max 3 filters * 20 coefs for 1 long window, or 1 filter * 7 coefs for each of 8 short windows */ +} TNSInfo; + +typedef struct _GainControlInfo { + unsigned char gainControlDataPresent; + unsigned char maxBand; + unsigned char adjNum[MAX_GAIN_BANDS][MAX_GAIN_WIN]; + unsigned char alevCode[MAX_GAIN_BANDS][MAX_GAIN_WIN][MAX_GAIN_ADJUST]; + unsigned char alocCode[MAX_GAIN_BANDS][MAX_GAIN_WIN][MAX_GAIN_ADJUST]; +} GainControlInfo; + +typedef struct _ICSInfo { + unsigned char icsResBit; + unsigned char winSequence; + unsigned char winShape; + unsigned char maxSFB; + unsigned char sfGroup; + unsigned char predictorDataPresent; + unsigned char predictorReset; + unsigned char predictorResetGroupNum; + unsigned char predictionUsed[MAX_PRED_SFB]; + unsigned char numWinGroup; + unsigned char winGroupLen[MAX_WIN_GROUPS]; +} ICSInfo; + +typedef struct _ADTSHeader { + /* fixed */ + unsigned char id; /* MPEG bit - should be 1 */ + unsigned char layer; /* MPEG layer - should be 0 */ + unsigned char protectBit; /* 0 = CRC word follows, 1 = no CRC word */ + unsigned char profile; /* 0 = main, 1 = LC, 2 = SSR, 3 = reserved */ + unsigned char sampRateIdx; /* sample rate index range = [0, 11] */ + unsigned char privateBit; /* ignore */ + unsigned char channelConfig; /* 0 = implicit, >0 = use default table */ + unsigned char origCopy; /* 0 = copy, 1 = original */ + unsigned char home; /* ignore */ + + /* variable */ + unsigned char copyBit; /* 1 bit of the 72-bit copyright ID (transmitted as 1 bit per frame) */ + unsigned char copyStart; /* 1 = this bit starts the 72-bit ID, 0 = it does not */ + int frameLength; /* length of frame */ + int bufferFull; /* number of 32-bit words left in enc buffer, 0x7FF = VBR */ + unsigned char numRawDataBlocks; /* number of raw data blocks in frame */ + + /* CRC */ + int crcCheckWord; /* 16-bit CRC check word (present if protectBit == 0) */ +} ADTSHeader; + +typedef struct _ADIFHeader { + unsigned char copyBit; /* 0 = no copyright ID, 1 = 72-bit copyright ID follows immediately */ + unsigned char origCopy; /* 0 = copy, 1 = original */ + unsigned char home; /* ignore */ + unsigned char bsType; /* bitstream type: 0 = CBR, 1 = VBR */ + int bitRate; /* bitRate: CBR = bits/sec, VBR = peak bits/frame, 0 = unknown */ + unsigned char numPCE; /* number of program config elements (max = 16) */ + int bufferFull; /* bits left in bit reservoir */ + unsigned char copyID[ADIF_COPYID_SIZE]; /* optional 72-bit copyright ID */ +} ADIFHeader; + +/* sizeof(ProgConfigElement) = 82 bytes (if KEEP_PCE_COMMENTS not defined) */ +typedef struct _ProgConfigElement { + unsigned char elemInstTag; /* element instance tag */ + unsigned char profile; /* 0 = main, 1 = LC, 2 = SSR, 3 = reserved */ + unsigned char sampRateIdx; /* sample rate index range = [0, 11] */ + unsigned char numFCE; /* number of front channel elements (max = 15) */ + unsigned char numSCE; /* number of side channel elements (max = 15) */ + unsigned char numBCE; /* number of back channel elements (max = 15) */ + unsigned char numLCE; /* number of LFE channel elements (max = 3) */ + unsigned char numADE; /* number of associated data elements (max = 7) */ + unsigned char numCCE; /* number of valid channel coupling elements (max = 15) */ + unsigned char monoMixdown; /* mono mixdown: bit 4 = present flag, bits 3-0 = element number */ + unsigned char stereoMixdown; /* stereo mixdown: bit 4 = present flag, bits 3-0 = element number */ + unsigned char matrixMixdown; /* matrix mixdown: bit 4 = present flag, bit 3 = unused, + bits 2-1 = index, bit 0 = pseudo-surround enable */ + unsigned char fce[MAX_NUM_FCE]; /* front element channel pair: bit 4 = SCE/CPE flag, bits 3-0 = inst tag */ + unsigned char sce[MAX_NUM_SCE]; /* side element channel pair: bit 4 = SCE/CPE flag, bits 3-0 = inst tag */ + unsigned char bce[MAX_NUM_BCE]; /* back element channel pair: bit 4 = SCE/CPE flag, bits 3-0 = inst tag */ + unsigned char lce[MAX_NUM_LCE]; /* instance tag for LFE elements */ + unsigned char ade[MAX_NUM_ADE]; /* instance tag for ADE elements */ + unsigned char cce[MAX_NUM_BCE]; /* channel coupling elements: bit 4 = switching flag, bits 3-0 = inst tag */ + +#ifdef KEEP_PCE_COMMENTS + /* make this optional - if not enabled, decoder will just skip comments */ + unsigned char commentBytes; + unsigned char commentField[MAX_COMMENT_BYTES]; +#endif + +} ProgConfigElement; + +/* state info struct for baseline (MPEG-4 LC) decoding */ +typedef struct _PSInfoBase { + /* header information */ + ADTSHeader fhADTS; + ADIFHeader fhADIF; + ProgConfigElement pce[MAX_NUM_PCE_ADIF]; + int dataCount; + unsigned char dataBuf[DATA_BUF_SIZE]; + int fillCount; + unsigned char fillBuf[FILL_BUF_SIZE]; + + /* state information which is the same throughout whole frame */ + int nChans; + int useImpChanMap; + int sampRateIdx; + + /* state information which can be overwritten by subsequent elements within frame */ + ICSInfo icsInfo[MAX_NCHANS_ELEM]; + + int commonWin; + short scaleFactors[MAX_NCHANS_ELEM][MAX_SF_BANDS]; + unsigned char sfbCodeBook[MAX_NCHANS_ELEM][MAX_SF_BANDS]; + + int msMaskPresent; + unsigned char msMaskBits[MAX_MS_MASK_BYTES]; + + int pnsUsed[MAX_NCHANS_ELEM]; + int pnsLastVal; + int intensityUsed[MAX_NCHANS_ELEM]; + + PulseInfo pulseInfo[MAX_NCHANS_ELEM]; + + TNSInfo tnsInfo[MAX_NCHANS_ELEM]; + int tnsLPCBuf[MAX_TNS_ORDER]; + int tnsWorkBuf[MAX_TNS_ORDER]; + + GainControlInfo gainControlInfo[MAX_NCHANS_ELEM]; + + int gbCurrent[MAX_NCHANS_ELEM]; + int coef[MAX_NCHANS_ELEM][AAC_MAX_NSAMPS]; +#ifdef AAC_ENABLE_SBR + int sbrWorkBuf[MAX_NCHANS_ELEM][AAC_MAX_NSAMPS]; +#endif + /* state information which must be saved for each element and used in next frame */ + int overlap[AAC_MAX_NCHANS][AAC_MAX_NSAMPS]; + int prevWinShape[AAC_MAX_NCHANS]; + +} PSInfoBase; + +/* private implementation-specific functions */ + +/* decelmnt.c */ +int DecodeProgramConfigElement(ProgConfigElement *pce, BitStreamInfo *bsi); + +/* huffman.c */ +int DecodeHuffmanScalar(const signed short *huffTab, const HuffInfo *huffTabInfo, unsigned int bitBuf, signed int *val); +int DecodeSpectrumLong(PSInfoBase *psi, BitStreamInfo *bsi, int ch); +int DecodeSpectrumShort(PSInfoBase *psi, BitStreamInfo *bsi, int ch); + +/* noiseless.c */ +void DecodeICSInfo(BitStreamInfo *bsi, ICSInfo *icsInfo, int sampRateIdx); + +/* dct4.c */ +void DCT4(int tabidx, int *coef, int gb); + +/* fft.c */ +void R4FFT(int tabidx, int *x); + +/* sbrimdct.c */ +void DecWindowOverlapNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev); +void DecWindowOverlapLongStartNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev); +void DecWindowOverlapLongStopNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev); +void DecWindowOverlapShortNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev); + +/* hufftabs.c */ +extern const HuffInfo huffTabSpecInfo[11]; +extern const signed short huffTabSpec[1241]; +extern const HuffInfo huffTabScaleFactInfo; +extern const signed short huffTabScaleFact[121]; + +/* trigtabs.c */ +extern const int cos4sin4tabOffset[NUM_IMDCT_SIZES]; +extern const int sinWindowOffset[NUM_IMDCT_SIZES]; +extern const int kbdWindowOffset[NUM_IMDCT_SIZES]; +extern const unsigned char bitrevtab[17 + 129]; +extern const int bitrevtabOffset[NUM_IMDCT_SIZES]; + +#ifdef HELIX_CONFIG_AAC_GENERATE_TRIGTABS_FLOAT +/* trigtabs_fltgen.c */ +extern int cos4sin4tab[128 + 1024]; +extern int cos1sin1tab[514]; +extern int sinWindow[128 + 1024]; +extern int kbdWindow[128 + 1024]; +extern int twidTabEven[4 * 6 + 16 * 6 + 64 * 6]; +extern int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6]; +#else +/* trigtabs.c */ +extern const int cos4sin4tab[128 + 1024]; +extern const int cos1sin1tab[514]; +extern const int sinWindow[128 + 1024]; +extern const int kbdWindow[128 + 1024]; +extern const int twidTabEven[4 * 6 + 16 * 6 + 64 * 6]; +extern const int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6]; +#endif + +#endif /* _CODER_H */ + diff --git a/audio_codec/wfd_aac_decoder/dct4.c b/audio_codec/wfd_aac_decoder/dct4.c new file mode 100644 index 0000000..3182479 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/dct4.c @@ -0,0 +1,337 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: dct4.c,v 1.1.2.1 2005/02/26 02:05:12 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * dct4.c - optimized DCT-IV + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +static const int nmdctTab[NUM_IMDCT_SIZES] = {128, 1024}; +static const int postSkip[NUM_IMDCT_SIZES] = {15, 1}; + +/************************************************************************************** + * Function: PreMultiply + * + * Description: pre-twiddle stage of DCT4 + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out, gains 5 (short) or 8 (long) frac bits + * i.e. gains 2-7= -5 int bits (short) or 2-10 = -8 int bits (long) + * normalization by -1/N is rolled into tables here (see trigtabs.c) + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + **************************************************************************************/ +static void PreMultiply(int tabidx, int *zbuf1) +{ + int i, nmdct, ar1, ai1, ar2, ai2, z1, z2; + int t, cms2, cps2a, sin2a, cps2b, sin2b; + int *zbuf2; + const int *csptr; + + nmdct = nmdctTab[tabidx]; + zbuf2 = zbuf1 + nmdct - 1; + csptr = cos4sin4tab + cos4sin4tabOffset[tabidx]; + + /* whole thing should fit in registers - verify that compiler does this */ + for (i = nmdct >> 2; i != 0; i--) { + /* cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) */ + cps2a = *csptr++; + sin2a = *csptr++; + cps2b = *csptr++; + sin2b = *csptr++; + + ar1 = *(zbuf1 + 0); + ai2 = *(zbuf1 + 1); + ai1 = *(zbuf2 + 0); + ar2 = *(zbuf2 - 1); + + /* gain 2 ints bit from MULSHIFT32 by Q30, but drop 7 or 10 int bits from table scaling of 1/M + * max per-sample gain (ignoring implicit scaling) = MAX(sin(angle)+cos(angle)) = 1.414 + * i.e. gain 1 GB since worst case is sin(angle) = cos(angle) = 0.707 (Q30), gain 2 from + * extra sign bits, and eat one in adding + */ + t = MULSHIFT32(sin2a, ar1 + ai1); + z2 = MULSHIFT32(cps2a, ai1) - t; + cms2 = cps2a - 2 * sin2a; + z1 = MULSHIFT32(cms2, ar1) + t; + *zbuf1++ = z1; /* cos*ar1 + sin*ai1 */ + *zbuf1++ = z2; /* cos*ai1 - sin*ar1 */ + + t = MULSHIFT32(sin2b, ar2 + ai2); + z2 = MULSHIFT32(cps2b, ai2) - t; + cms2 = cps2b - 2 * sin2b; + z1 = MULSHIFT32(cms2, ar2) + t; + *zbuf2-- = z2; /* cos*ai2 - sin*ar2 */ + *zbuf2-- = z1; /* cos*ar2 + sin*ai2 */ + } +} + +/************************************************************************************** + * Function: PostMultiply + * + * Description: post-twiddle stage of DCT4 + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out - gains 2 int bits + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + **************************************************************************************/ +static void PostMultiply(int tabidx, int *fft1) +{ + int i, nmdct, ar1, ai1, ar2, ai2, skipFactor; + int t, cms2, cps2, sin2; + int *fft2; + const int *csptr; + + nmdct = nmdctTab[tabidx]; + csptr = cos1sin1tab; + skipFactor = postSkip[tabidx]; + fft2 = fft1 + nmdct - 1; + + /* load coeffs for first pass + * cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) + */ + cps2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + cms2 = cps2 - 2 * sin2; + + for (i = nmdct >> 2; i != 0; i--) { + ar1 = *(fft1 + 0); + ai1 = *(fft1 + 1); + ar2 = *(fft2 - 1); + ai2 = *(fft2 + 0); + + /* gain 2 ints bit from MULSHIFT32 by Q30 + * max per-sample gain = MAX(sin(angle)+cos(angle)) = 1.414 + * i.e. gain 1 GB since worst case is sin(angle) = cos(angle) = 0.707 (Q30), gain 2 from + * extra sign bits, and eat one in adding + */ + t = MULSHIFT32(sin2, ar1 + ai1); + *fft2-- = t - MULSHIFT32(cps2, ai1); /* sin*ar1 - cos*ai1 */ + *fft1++ = t + MULSHIFT32(cms2, ar1); /* cos*ar1 + sin*ai1 */ + cps2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + + ai2 = -ai2; + t = MULSHIFT32(sin2, ar2 + ai2); + *fft2-- = t - MULSHIFT32(cps2, ai2); /* sin*ar1 - cos*ai1 */ + cms2 = cps2 - 2 * sin2; + *fft1++ = t + MULSHIFT32(cms2, ar2); /* cos*ar1 + sin*ai1 */ + } +} + +/************************************************************************************** + * Function: PreMultiplyRescale + * + * Description: pre-twiddle stage of DCT4, with rescaling for extra guard bits + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * number of guard bits to add to input before processing + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: see notes on PreMultiply(), above + **************************************************************************************/ +static void PreMultiplyRescale(int tabidx, int *zbuf1, int es) +{ + int i, nmdct, ar1, ai1, ar2, ai2, z1, z2; + int t, cms2, cps2a, sin2a, cps2b, sin2b; + int *zbuf2; + const int *csptr; + + nmdct = nmdctTab[tabidx]; + zbuf2 = zbuf1 + nmdct - 1; + csptr = cos4sin4tab + cos4sin4tabOffset[tabidx]; + + /* whole thing should fit in registers - verify that compiler does this */ + for (i = nmdct >> 2; i != 0; i--) { + /* cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) */ + cps2a = *csptr++; + sin2a = *csptr++; + cps2b = *csptr++; + sin2b = *csptr++; + + ar1 = *(zbuf1 + 0) >> es; + ai1 = *(zbuf2 + 0) >> es; + ai2 = *(zbuf1 + 1) >> es; + + t = MULSHIFT32(sin2a, ar1 + ai1); + z2 = MULSHIFT32(cps2a, ai1) - t; + cms2 = cps2a - 2 * sin2a; + z1 = MULSHIFT32(cms2, ar1) + t; + *zbuf1++ = z1; + *zbuf1++ = z2; + + ar2 = *(zbuf2 - 1) >> es; /* do here to free up register used for es */ + + t = MULSHIFT32(sin2b, ar2 + ai2); + z2 = MULSHIFT32(cps2b, ai2) - t; + cms2 = cps2b - 2 * sin2b; + z1 = MULSHIFT32(cms2, ar2) + t; + *zbuf2-- = z2; + *zbuf2-- = z1; + + } +} + +/************************************************************************************** + * Function: PostMultiplyRescale + * + * Description: post-twiddle stage of DCT4, with rescaling for extra guard bits + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * number of guard bits to remove from output + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: clips output to [-2^30, 2^30 - 1], guaranteeing at least 1 guard bit + * see notes on PostMultiply(), above + **************************************************************************************/ +static void PostMultiplyRescale(int tabidx, int *fft1, int es) +{ + int i, nmdct, ar1, ai1, ar2, ai2, skipFactor, z; + int t, cs2, sin2; + int *fft2; + const int *csptr; + + nmdct = nmdctTab[tabidx]; + csptr = cos1sin1tab; + skipFactor = postSkip[tabidx]; + fft2 = fft1 + nmdct - 1; + + /* load coeffs for first pass + * cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) + */ + cs2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + + for (i = nmdct >> 2; i != 0; i--) { + ar1 = *(fft1 + 0); + ai1 = *(fft1 + 1); + ai2 = *(fft2 + 0); + + t = MULSHIFT32(sin2, ar1 + ai1); + z = t - MULSHIFT32(cs2, ai1); + CLIP_2N_SHIFT(z, es); + *fft2-- = z; + cs2 -= 2 * sin2; + z = t + MULSHIFT32(cs2, ar1); + CLIP_2N_SHIFT(z, es); + *fft1++ = z; + + cs2 = *csptr++; + sin2 = *csptr; + csptr += skipFactor; + + ar2 = *fft2; + ai2 = -ai2; + t = MULSHIFT32(sin2, ar2 + ai2); + z = t - MULSHIFT32(cs2, ai2); + CLIP_2N_SHIFT(z, es); + *fft2-- = z; + cs2 -= 2 * sin2; + z = t + MULSHIFT32(cs2, ar2); + CLIP_2N_SHIFT(z, es); + *fft1++ = z; + cs2 += 2 * sin2; + } +} + +/************************************************************************************** + * Function: DCT4 + * + * Description: type-IV DCT + * + * Inputs: table index (for transform size) + * buffer of nmdct samples + * number of guard bits in the input buffer + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: operates in-place + * if number of guard bits in input is < GBITS_IN_DCT4, the input is + * scaled (>>) before the DCT4 and rescaled (<<, with clipping) after + * the DCT4 (rare) + * the output has FBITS_LOST_DCT4 fewer fraction bits than the input + * the output will always have at least 1 guard bit (GBITS_IN_DCT4 >= 4) + * int bits gained per stage (PreMul + FFT + PostMul) + * short blocks = (-5 + 4 + 2) = 1 total + * long blocks = (-8 + 7 + 2) = 1 total + **************************************************************************************/ +void DCT4(int tabidx, int *coef, int gb) +{ + int es; + + /* fast in-place DCT-IV - adds guard bits if necessary */ + if (gb < GBITS_IN_DCT4) { + es = GBITS_IN_DCT4 - gb; + PreMultiplyRescale(tabidx, coef, es); + R4FFT(tabidx, coef); + PostMultiplyRescale(tabidx, coef, es); + } else { + PreMultiply(tabidx, coef); + R4FFT(tabidx, coef); + PostMultiply(tabidx, coef); + } +} diff --git a/audio_codec/wfd_aac_decoder/decelmnt.c b/audio_codec/wfd_aac_decoder/decelmnt.c new file mode 100644 index 0000000..4cd4ef8 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/decelmnt.c @@ -0,0 +1,445 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: decelmnt.c,v 1.1.2.1 2005/02/26 02:05:12 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * decelmnt.c - syntactic element decoding + **************************************************************************************/ + +#include "coder.h" + +/************************************************************************************** + * Function: DecodeSingleChannelElement + * + * Description: decode one SCE + * + * Inputs: BitStreamInfo struct pointing to start of SCE (14496-3, table 4.4.4) + * + * Outputs: updated element instance tag + * + * Return: 0 if successful, -1 if error + * + * Notes: doesn't decode individual channel stream (part of DecodeNoiselessData) + **************************************************************************************/ +static int DecodeSingleChannelElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + + /* read instance tag */ + aacDecInfo->currInstTag = GetBits(bsi, NUM_INST_TAG_BITS); + + return 0; +} + +/************************************************************************************** + * Function: DecodeChannelPairElement + * + * Description: decode one CPE + * + * Inputs: BitStreamInfo struct pointing to start of CPE (14496-3, table 4.4.5) + * + * Outputs: updated element instance tag + * updated commonWin + * updated ICS info, if commonWin == 1 + * updated mid-side stereo info, if commonWin == 1 + * + * Return: 0 if successful, -1 if error + * + * Notes: doesn't decode individual channel stream (part of DecodeNoiselessData) + **************************************************************************************/ +static int DecodeChannelPairElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + int sfb, gp, maskOffset; + unsigned char currBit, *maskPtr; + PSInfoBase *psi; + ICSInfo *icsInfo; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = psi->icsInfo; + + /* read instance tag */ + aacDecInfo->currInstTag = GetBits(bsi, NUM_INST_TAG_BITS); + + /* read common window flag and mid-side info (if present) + * store msMask bits in psi->msMaskBits[] as follows: + * long blocks - pack bits for each SFB in range [0, maxSFB) starting with lsb of msMaskBits[0] + * short blocks - pack bits for each SFB in range [0, maxSFB), for each group [0, 7] + * msMaskPresent = 0 means no M/S coding + * = 1 means psi->msMaskBits contains 1 bit per SFB to toggle M/S coding + * = 2 means all SFB's are M/S coded (so psi->msMaskBits is not needed) + */ + psi->commonWin = GetBits(bsi, 1); + if (psi->commonWin) { + DecodeICSInfo(bsi, icsInfo, psi->sampRateIdx); + psi->msMaskPresent = GetBits(bsi, 2); + if (psi->msMaskPresent == 1) { + maskPtr = psi->msMaskBits; + *maskPtr = 0; + maskOffset = 0; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + currBit = (unsigned char)GetBits(bsi, 1); + *maskPtr |= currBit << maskOffset; + if (++maskOffset == 8) { + maskPtr++; + *maskPtr = 0; + maskOffset = 0; + } + } + } + } + } + + return 0; +} + +/************************************************************************************** + * Function: DecodeLFEChannelElement + * + * Description: decode one LFE + * + * Inputs: BitStreamInfo struct pointing to start of LFE (14496-3, table 4.4.9) + * + * Outputs: updated element instance tag + * + * Return: 0 if successful, -1 if error + * + * Notes: doesn't decode individual channel stream (part of DecodeNoiselessData) + **************************************************************************************/ +static int DecodeLFEChannelElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + + /* read instance tag */ + aacDecInfo->currInstTag = GetBits(bsi, NUM_INST_TAG_BITS); + + return 0; +} + +/************************************************************************************** + * Function: DecodeDataStreamElement + * + * Description: decode one DSE + * + * Inputs: BitStreamInfo struct pointing to start of DSE (14496-3, table 4.4.10) + * + * Outputs: updated element instance tag + * filled in data stream buffer + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +static int DecodeDataStreamElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + unsigned int byteAlign, dataCount; + unsigned char *dataBuf; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + aacDecInfo->currInstTag = GetBits(bsi, NUM_INST_TAG_BITS); + byteAlign = GetBits(bsi, 1); + dataCount = GetBits(bsi, 8); + if (dataCount == 255) { + dataCount += GetBits(bsi, 8); + } + + if (byteAlign) { + ByteAlignBitstream(bsi); + } + + psi->dataCount = dataCount; + dataBuf = psi->dataBuf; + while (dataCount--) { + *dataBuf++ = GetBits(bsi, 8); + } + + return 0; +} + +/************************************************************************************** + * Function: DecodeProgramConfigElement + * + * Description: decode one PCE + * + * Inputs: BitStreamInfo struct pointing to start of PCE (14496-3, table 4.4.2) + * + * Outputs: filled-in ProgConfigElement struct + * updated BitStreamInfo struct + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: #define KEEP_PCE_COMMENTS to save the comment field of the PCE + * (otherwise we just skip it in the bitstream, to save memory) + **************************************************************************************/ +int DecodeProgramConfigElement(ProgConfigElement *pce, BitStreamInfo *bsi) +{ + int i; + + pce->elemInstTag = GetBits(bsi, 4); + pce->profile = GetBits(bsi, 2); + pce->sampRateIdx = GetBits(bsi, 4); + pce->numFCE = GetBits(bsi, 4); + pce->numSCE = GetBits(bsi, 4); + pce->numBCE = GetBits(bsi, 4); + pce->numLCE = GetBits(bsi, 2); + pce->numADE = GetBits(bsi, 3); + pce->numCCE = GetBits(bsi, 4); + + pce->monoMixdown = GetBits(bsi, 1) << 4; /* present flag */ + if (pce->monoMixdown) { + pce->monoMixdown |= GetBits(bsi, 4); /* element number */ + } + + pce->stereoMixdown = GetBits(bsi, 1) << 4; /* present flag */ + if (pce->stereoMixdown) { + pce->stereoMixdown |= GetBits(bsi, 4); /* element number */ + } + + pce->matrixMixdown = GetBits(bsi, 1) << 4; /* present flag */ + if (pce->matrixMixdown) { + pce->matrixMixdown |= GetBits(bsi, 2) << 1; /* index */ + pce->matrixMixdown |= GetBits(bsi, 1); /* pseudo-surround enable */ + } + + for (i = 0; i < pce->numFCE; i++) { + pce->fce[i] = GetBits(bsi, 1) << 4; /* is_cpe flag */ + pce->fce[i] |= GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numSCE; i++) { + pce->sce[i] = GetBits(bsi, 1) << 4; /* is_cpe flag */ + pce->sce[i] |= GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numBCE; i++) { + pce->bce[i] = GetBits(bsi, 1) << 4; /* is_cpe flag */ + pce->bce[i] |= GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numLCE; i++) { + pce->lce[i] = GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numADE; i++) { + pce->ade[i] = GetBits(bsi, 4); /* tag select */ + } + + for (i = 0; i < pce->numCCE; i++) { + pce->cce[i] = GetBits(bsi, 1) << 4; /* independent/dependent flag */ + pce->cce[i] |= GetBits(bsi, 4); /* tag select */ + } + + + ByteAlignBitstream(bsi); + +#ifdef KEEP_PCE_COMMENTS + pce->commentBytes = GetBits(bsi, 8); + for (i = 0; i < pce->commentBytes; i++) { + pce->commentField[i] = GetBits(bsi, 8); + } +#else + /* eat comment bytes and throw away */ + i = GetBits(bsi, 8); + while (i--) { + GetBits(bsi, 8); + } +#endif + + return 0; +} + +/************************************************************************************** + * Function: DecodeFillElement + * + * Description: decode one fill element + * + * Inputs: BitStreamInfo struct pointing to start of fill element + * (14496-3, table 4.4.11) + * + * Outputs: updated element instance tag + * unpacked extension payload + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +static int DecodeFillElement(AACDecInfo *aacDecInfo, BitStreamInfo *bsi) +{ + unsigned int fillCount; + unsigned char *fillBuf; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + fillCount = GetBits(bsi, 4); + if (fillCount == 15) { + fillCount += (GetBits(bsi, 8) - 1); + } + + psi->fillCount = fillCount; + fillBuf = psi->fillBuf; + while (fillCount--) { + *fillBuf++ = GetBits(bsi, 8); + } + + aacDecInfo->currInstTag = -1; /* fill elements don't have instance tag */ + aacDecInfo->fillExtType = 0; + +#ifdef AAC_ENABLE_SBR + /* check for SBR + * aacDecInfo->sbrEnabled is sticky (reset each raw_data_block), so for multichannel + * need to verify that all SCE/CPE/ICCE have valid SBR fill element following, and + * must upsample by 2 for LFE + */ + if (psi->fillCount > 0) { + aacDecInfo->fillExtType = (int)((psi->fillBuf[0] >> 4) & 0x0f); + if (aacDecInfo->fillExtType == EXT_SBR_DATA || aacDecInfo->fillExtType == EXT_SBR_DATA_CRC) { + aacDecInfo->sbrEnabled = 1; + } + } +#endif + + aacDecInfo->fillBuf = psi->fillBuf; + aacDecInfo->fillCount = psi->fillCount; + + return 0; +} + +/************************************************************************************** + * Function: DecodeNextElement + * + * Description: decode next syntactic element in AAC frame + * + * Inputs: valid AACDecInfo struct + * double pointer to buffer containing next element + * pointer to bit offset + * pointer to number of valid bits remaining in buf + * + * Outputs: type of element decoded (aacDecInfo->currBlockID) + * type of element decoded last time (aacDecInfo->prevBlockID) + * updated aacDecInfo state, depending on which element was decoded + * updated buffer pointer + * updated bit offset + * updated number of available bits + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int DecodeNextElement(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail) +{ + int err, bitsUsed; + PSInfoBase *psi; + BitStreamInfo bsi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + /* init bitstream reader */ + SetBitstreamPointer(&bsi, (*bitsAvail + 7) >> 3, *buf); + GetBits(&bsi, *bitOffset); + + /* read element ID (save last ID for SBR purposes) */ + aacDecInfo->prevBlockID = aacDecInfo->currBlockID; + aacDecInfo->currBlockID = GetBits(&bsi, NUM_SYN_ID_BITS); + + /* set defaults (could be overwritten by DecodeXXXElement(), depending on currBlockID) */ + psi->commonWin = 0; + + err = 0; + switch (aacDecInfo->currBlockID) { + case AAC_ID_SCE: + err = DecodeSingleChannelElement(aacDecInfo, &bsi); + break; + case AAC_ID_CPE: + err = DecodeChannelPairElement(aacDecInfo, &bsi); + break; + case AAC_ID_CCE: + /* TODO - implement CCE decoding */ + break; + case AAC_ID_LFE: + err = DecodeLFEChannelElement(aacDecInfo, &bsi); + break; + case AAC_ID_DSE: + err = DecodeDataStreamElement(aacDecInfo, &bsi); + break; + case AAC_ID_PCE: + err = DecodeProgramConfigElement(psi->pce + 0, &bsi); + break; + case AAC_ID_FIL: + err = DecodeFillElement(aacDecInfo, &bsi); + break; + case AAC_ID_END: + break; + } + if (err) { + return ERR_AAC_SYNTAX_ELEMENT; + } + + /* update bitstream reader */ + bitsUsed = CalcBitsUsed(&bsi, *buf, *bitOffset); + *buf += (bitsUsed + *bitOffset) >> 3; + *bitOffset = (bitsUsed + *bitOffset) & 0x07; + *bitsAvail -= bitsUsed; + + if (*bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + + return ERR_AAC_NONE; +} + diff --git a/audio_codec/wfd_aac_decoder/dequant.c b/audio_codec/wfd_aac_decoder/dequant.c new file mode 100644 index 0000000..43f4a5e --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/dequant.c @@ -0,0 +1,379 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: dequant.c,v 1.2 2005/05/20 18:05:41 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * dequant.c - transform coefficient dequantization and short-block deinterleaving + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" +#include + + +#define SF_OFFSET 100 + +/* pow(2, i/4.0) for i = [0,1,2,3], format = Q30 */ +static const int pow14[4] = { + 0x40000000, 0x4c1bf829, 0x5a82799a, 0x6ba27e65 +}; + +/* pow(2, i/4.0) * pow(j, 4.0/3.0) for i = [0,1,2,3], j = [0,1,2,...,15] + * format = Q28 for j = [0-3], Q25 for j = [4-15] + */ +static const int pow43_14[4][16] = { + { + 0x00000000, 0x10000000, 0x285145f3, 0x453a5cdb, /* Q28 */ + 0x0cb2ff53, 0x111989d6, 0x15ce31c8, 0x1ac7f203, /* Q25 */ + 0x20000000, 0x257106b9, 0x2b16b4a3, 0x30ed74b4, /* Q25 */ + 0x36f23fa5, 0x3d227bd3, 0x437be656, 0x49fc823c, /* Q25 */ + }, + { + 0x00000000, 0x1306fe0a, 0x2ff221af, 0x52538f52, + 0x0f1a1bf4, 0x1455ccc2, 0x19ee62a8, 0x1fd92396, + 0x260dfc14, 0x2c8694d8, 0x333dcb29, 0x3a2f5c7a, + 0x4157aed5, 0x48b3aaa3, 0x50409f76, 0x57fc3010, + }, + { + 0x00000000, 0x16a09e66, 0x39047c0f, 0x61e734aa, + 0x11f59ac4, 0x182ec633, 0x1ed66a45, 0x25dfc55a, + 0x2d413ccd, 0x34f3462d, 0x3cefc603, 0x4531ab69, + 0x4db4adf8, 0x56752054, 0x5f6fcfcd, 0x68a1eca1, + }, + { + 0x00000000, 0x1ae89f99, 0x43ce3e4b, 0x746d57b2, + 0x155b8109, 0x1cc21cdc, 0x24ac1839, 0x2d0a479e, + 0x35d13f33, 0x3ef80748, 0x48775c93, 0x524938cd, + 0x5c68841d, 0x66d0df0a, 0x717e7bfe, 0x7c6e0305, + }, +}; + +/* pow(j, 4.0 / 3.0) for j = [16,17,18,...,63], format = Q23 */ +static const int pow43[48] = { + 0x1428a2fa, 0x15db1bd6, 0x1796302c, 0x19598d85, + 0x1b24e8bb, 0x1cf7fcfa, 0x1ed28af2, 0x20b4582a, + 0x229d2e6e, 0x248cdb55, 0x26832fda, 0x28800000, + 0x2a832287, 0x2c8c70a8, 0x2e9bc5d8, 0x30b0ff99, + 0x32cbfd4a, 0x34eca001, 0x3712ca62, 0x393e6088, + 0x3b6f47e0, 0x3da56717, 0x3fe0a5fc, 0x4220ed72, + 0x44662758, 0x46b03e7c, 0x48ff1e87, 0x4b52b3f3, + 0x4daaebfd, 0x5007b497, 0x5268fc62, 0x54ceb29c, + 0x5738c721, 0x59a72a59, 0x5c19cd35, 0x5e90a129, + 0x610b9821, 0x638aa47f, 0x660db90f, 0x6894c90b, + 0x6b1fc80c, 0x6daeaa0d, 0x70416360, 0x72d7e8b0, + 0x75722ef9, 0x78102b85, 0x7ab1d3ec, 0x7d571e09, +}; + +/* sqrt(0.5), format = Q31 */ +#define SQRTHALF 0x5a82799a + +/* Minimax polynomial approximation to pow(x, 4/3), over the range + * poly43lo: x = [0.5, 0.7071] + * poly43hi: x = [0.7071, 1.0] + * + * Relative error < 1E-7 + * Coefs are scaled by 4, 2, 1, 0.5, 0.25 + */ +static const int poly43lo[5] = { 0x29a0bda9, 0xb02e4828, 0x5957aa1b, 0x236c498d, 0xff581859 }; +static const int poly43hi[5] = { 0x10852163, 0xd333f6a4, 0x46e9408b, 0x27c2cef0, 0xfef577b4 }; + +/* pow2exp[i] = pow(2, i*4/3) exponent */ +static const int pow2exp[8] = { 14, 13, 11, 10, 9, 7, 6, 5 }; + +/* pow2exp[i] = pow(2, i*4/3) fraction */ +static const int pow2frac[8] = { + 0x6597fa94, 0x50a28be6, 0x7fffffff, 0x6597fa94, + 0x50a28be6, 0x7fffffff, 0x6597fa94, 0x50a28be6 +}; + +/************************************************************************************** + * Function: DequantBlock + * + * Description: dequantize one block of transform coefficients (in-place) + * + * Inputs: quantized transform coefficients, range = [0, 8191] + * number of samples to dequantize + * scalefactor for this block of data, range = [0, 256] + * + * Outputs: dequantized transform coefficients in Q(FBITS_OUT_DQ_OFF) + * + * Return: guard bit mask (OR of abs value of all dequantized coefs) + * + * Notes: applies dequant formula y = pow(x, 4.0/3.0) * pow(2, (scale - 100)/4.0) + * * pow(2, FBITS_OUT_DQ_OFF) + * clips outputs to Q(FBITS_OUT_DQ_OFF) + * output has no minimum number of guard bits + **************************************************************************************/ +static int DequantBlock(int *inbuf, int nSamps, int scale) +{ + int iSamp, scalef, scalei, x, y, gbMask, shift, tab4[4]; + const int *tab16, *coef; + + if (nSamps <= 0) { + return 0; + } + + scale -= SF_OFFSET; /* new range = [-100, 156] */ + + /* with two's complement numbers, scalei/scalef factorization works for pos and neg values of scale: + * [+4...+7] >> 2 = +1, [ 0...+3] >> 2 = 0, [-4...-1] >> 2 = -1, [-8...-5] >> 2 = -2 ... + * (-1 & 0x3) = 3, (-2 & 0x3) = 2, (-3 & 0x3) = 1, (0 & 0x3) = 0 + * + * Example: 2^(-5/4) = 2^(-1) * 2^(-1/4) = 2^-2 * 2^(3/4) + */ + tab16 = pow43_14[scale & 0x3]; + scalef = pow14[scale & 0x3]; + scalei = (scale >> 2) + FBITS_OUT_DQ_OFF; + + /* cache first 4 values: + * tab16[j] = Q28 for j = [0,3] + * tab4[x] = x^(4.0/3.0) * 2^(0.25*scale), Q(FBITS_OUT_DQ_OFF) + */ + shift = 28 - scalei; + if (shift > 31) { + tab4[0] = tab4[1] = tab4[2] = tab4[3] = 0; + } else if (shift <= 0) { + shift = -shift; + if (shift > 31) { + shift = 31; + } + for (x = 0; x < 4; x++) { + y = tab16[x]; + if (y > (0x7fffffff >> shift)) { + y = 0x7fffffff; /* clip (rare) */ + } else { + y <<= shift; + } + tab4[x] = y; + } + } else { + tab4[0] = 0; + tab4[1] = tab16[1] >> shift; + tab4[2] = tab16[2] >> shift; + tab4[3] = tab16[3] >> shift; + } + + gbMask = 0; + do { + iSamp = *inbuf; + x = FASTABS(iSamp); + + if (x < 4) { + y = tab4[x]; + } else { + + if (x < 16) { + /* result: y = Q25 (tab16 = Q25) */ + y = tab16[x]; + shift = 25 - scalei; + } else if (x < 64) { + /* result: y = Q21 (pow43tab[j] = Q23, scalef = Q30) */ + y = pow43[x - 16]; + shift = 21 - scalei; + y = MULSHIFT32(y, scalef); + } else { + /* normalize to [0x40000000, 0x7fffffff] + * input x = [64, 8191] = [64, 2^13-1] + * ranges: + * shift = 7: 64 - 127 + * shift = 6: 128 - 255 + * shift = 5: 256 - 511 + * shift = 4: 512 - 1023 + * shift = 3: 1024 - 2047 + * shift = 2: 2048 - 4095 + * shift = 1: 4096 - 8191 + */ + x <<= 17; + shift = 0; + if (x < 0x08000000) { + x <<= 4, shift += 4; + } + if (x < 0x20000000) { + x <<= 2, shift += 2; + } + if (x < 0x40000000) { + x <<= 1, shift += 1; + } + + coef = (x < SQRTHALF) ? poly43lo : poly43hi; + + /* polynomial */ + y = coef[0]; + y = MULSHIFT32(y, x) + coef[1]; + y = MULSHIFT32(y, x) + coef[2]; + y = MULSHIFT32(y, x) + coef[3]; + y = MULSHIFT32(y, x) + coef[4]; + y = MULSHIFT32(y, pow2frac[shift]) << 3; + + /* fractional scale + * result: y = Q21 (pow43tab[j] = Q23, scalef = Q30) + */ + y = MULSHIFT32(y, scalef); /* now y is Q24 */ + shift = 24 - scalei - pow2exp[shift]; + } + + /* integer scale */ + if (shift <= 0) { + shift = -shift; + if (shift > 31) { + shift = 31; + } + + if (y > (0x7fffffff >> shift)) { + y = 0x7fffffff; /* clip (rare) */ + } else { + y <<= shift; + } + } else { + if (shift > 31) { + shift = 31; + } + y >>= shift; + } + } + + /* sign and store (gbMask used to count GB's) */ + gbMask |= y; + + /* apply sign */ + iSamp >>= 31; + y ^= iSamp; + y -= iSamp; + + *inbuf++ = y; + } while (--nSamps); + + return gbMask; +} + +/************************************************************************************** + * Function: Dequantize + * + * Description: dequantize all transform coefficients for one channel + * + * Inputs: valid AACDecInfo struct (including unpacked, quantized coefficients) + * index of current channel + * + * Outputs: dequantized coefficients, including short-block deinterleaving + * flags indicating if intensity and/or PNS is active + * minimum guard bit count for dequantized coefficients + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int Dequantize(AACDecInfo *aacDecInfo, int ch) +{ + int gp, cb, sfb, win, width, nSamps, gbMask; + int *coef; + const short *sfbTab; + unsigned char *sfbCodeBook; + short *scaleFactors; + PSInfoBase *psi; + ICSInfo *icsInfo; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + if (icsInfo->winSequence == 2) { + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + nSamps = NSAMPS_SHORT; + } else { + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + nSamps = NSAMPS_LONG; + } + coef = psi->coef[ch]; + sfbCodeBook = psi->sfbCodeBook[ch]; + scaleFactors = psi->scaleFactors[ch]; + + psi->intensityUsed[ch] = 0; + psi->pnsUsed[ch] = 0; + gbMask = 0; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + /* dequantize one scalefactor band (not necessary if codebook is intensity or PNS) + * for zero codebook, still run dequantizer in case non-zero pulse data was added + */ + cb = (int)(sfbCodeBook[sfb]); + width = sfbTab[sfb + 1] - sfbTab[sfb]; + if (cb >= 0 && cb <= 11) { + gbMask |= DequantBlock(coef, width, scaleFactors[sfb]); + } else if (cb == 13) { + psi->pnsUsed[ch] = 1; + } else if (cb == 14 || cb == 15) { + psi->intensityUsed[ch] = 1; /* should only happen if ch == 1 */ + } + coef += width; + } + coef += (nSamps - sfbTab[icsInfo->maxSFB]); + } + sfbCodeBook += icsInfo->maxSFB; + scaleFactors += icsInfo->maxSFB; + } + aacDecInfo->pnsUsed |= psi->pnsUsed[ch]; /* set flag if PNS used for any channel */ + + /* calculate number of guard bits in dequantized data */ + psi->gbCurrent[ch] = CLZ(gbMask) - 1; + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: DeinterleaveShortBlocks + * + * Description: deinterleave transform coefficients in short blocks for one channel + * + * Inputs: valid AACDecInfo struct (including unpacked, quantized coefficients) + * index of current channel + * + * Outputs: deinterleaved coefficients (window groups into 8 separate windows) + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: only necessary if deinterleaving not part of Huffman decoding + **************************************************************************************/ +int DeinterleaveShortBlocks(AACDecInfo *aacDecInfo, int ch) +{ + /* not used for this implementation - short block deinterleaving performed during Huffman decoding */ + return ERR_AAC_NONE; +} diff --git a/audio_codec/wfd_aac_decoder/fft.c b/audio_codec/wfd_aac_decoder/fft.c new file mode 100644 index 0000000..db17d27 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/fft.c @@ -0,0 +1,391 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: fft.c,v 1.1.2.1 2005/02/26 02:05:12 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * fft.c - Ken's optimized radix-4 DIT FFT, optional radix-8 first pass for odd log2(N) + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +#define NUM_FFT_SIZES 2 +static const int nfftTab[NUM_FFT_SIZES] = {64, 512}; +static const int nfftlog2Tab[NUM_FFT_SIZES] = {6, 9}; + +#define SQRT1_2 0x5a82799a /* sqrt(1/2) in Q31 */ + +#define swapcplx(p0,p1) \ + t = p0; t1 = *(&(p0)+1); p0 = p1; *(&(p0)+1) = *(&(p1)+1); p1 = t; *(&(p1)+1) = t1 + +/************************************************************************************** + * Function: BitReverse + * + * Description: Ken's fast in-place bit reverse, using super-small table + * + * Inputs: buffer of samples + * table index (for transform size) + * + * Outputs: bit-reversed samples in same buffer + * + * Return: none + **************************************************************************************/ +static void BitReverse(int *inout, int tabidx) +{ + int *part0, *part1; + int a, b, t, t1; + const unsigned char* tab = bitrevtab + bitrevtabOffset[tabidx]; + int nbits = nfftlog2Tab[tabidx]; + + part0 = inout; + part1 = inout + (1 << nbits); + + while ((a = *tab++) != 0) { + b = *tab++; + + swapcplx(part0[4 * a + 0], part0[4 * b + 0]); /* 0xxx0 <-> 0yyy0 */ + swapcplx(part0[4 * a + 2], part1[4 * b + 0]); /* 0xxx1 <-> 1yyy0 */ + swapcplx(part1[4 * a + 0], part0[4 * b + 2]); /* 1xxx0 <-> 0yyy1 */ + swapcplx(part1[4 * a + 2], part1[4 * b + 2]); /* 1xxx1 <-> 1yyy1 */ + } + + do { + swapcplx(part0[4 * a + 2], part1[4 * a + 0]); /* 0xxx1 <-> 1xxx0 */ + } while ((a = *tab++) != 0); +} + +/************************************************************************************** + * Function: R4FirstPass + * + * Description: radix-4 trivial pass for decimation-in-time FFT + * + * Inputs: buffer of (bit-reversed) samples + * number of R4 butterflies per group (i.e. nfft / 4) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 2 guard bits, gains no integer bits, + * guard bits out = guard bits in - 2 + **************************************************************************************/ +static void R4FirstPass(int *x, int bg) +{ + int ar, ai, br, bi, cr, ci, dr, di; + + for (; bg != 0; bg--) { + + ar = x[0] + x[2]; + br = x[0] - x[2]; + ai = x[1] + x[3]; + bi = x[1] - x[3]; + cr = x[4] + x[6]; + dr = x[4] - x[6]; + ci = x[5] + x[7]; + di = x[5] - x[7]; + + /* max per-sample gain = 4.0 (adding 4 inputs together) */ + x[0] = ar + cr; + x[4] = ar - cr; + x[1] = ai + ci; + x[5] = ai - ci; + x[2] = br + di; + x[6] = br - di; + x[3] = bi - dr; + x[7] = bi + dr; + + x += 8; + } +} + +/************************************************************************************** + * Function: R8FirstPass + * + * Description: radix-8 trivial pass for decimation-in-time FFT + * + * Inputs: buffer of (bit-reversed) samples + * number of R8 butterflies per group (i.e. nfft / 8) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 3 guard bits, gains 1 integer bit + * guard bits out = guard bits in - 3 (if inputs are full scale) + * or guard bits in - 2 (if inputs bounded to +/- sqrt(2)/2) + * see scaling comments in code + **************************************************************************************/ +static void R8FirstPass(int *x, int bg) +{ + int ar, ai, br, bi, cr, ci, dr, di; + int sr, si, tr, ti, ur, ui, vr, vi; + int wr, wi, xr, xi, yr, yi, zr, zi; + + for (; bg != 0; bg--) { + + ar = x[0] + x[2]; + br = x[0] - x[2]; + ai = x[1] + x[3]; + bi = x[1] - x[3]; + cr = x[4] + x[6]; + dr = x[4] - x[6]; + ci = x[5] + x[7]; + di = x[5] - x[7]; + + sr = ar + cr; + ur = ar - cr; + si = ai + ci; + ui = ai - ci; + tr = br - di; + vr = br + di; + ti = bi + dr; + vi = bi - dr; + + ar = x[ 8] + x[10]; + br = x[ 8] - x[10]; + ai = x[ 9] + x[11]; + bi = x[ 9] - x[11]; + cr = x[12] + x[14]; + dr = x[12] - x[14]; + ci = x[13] + x[15]; + di = x[13] - x[15]; + + /* max gain of wr/wi/yr/yi vs input = 2 + * (sum of 4 samples >> 1) + */ + wr = (ar + cr) >> 1; + yr = (ar - cr) >> 1; + wi = (ai + ci) >> 1; + yi = (ai - ci) >> 1; + + /* max gain of output vs input = 4 + * (sum of 4 samples >> 1 + sum of 4 samples >> 1) + */ + x[ 0] = (sr >> 1) + wr; + x[ 8] = (sr >> 1) - wr; + x[ 1] = (si >> 1) + wi; + x[ 9] = (si >> 1) - wi; + x[ 4] = (ur >> 1) + yi; + x[12] = (ur >> 1) - yi; + x[ 5] = (ui >> 1) - yr; + x[13] = (ui >> 1) + yr; + + ar = br - di; + cr = br + di; + ai = bi + dr; + ci = bi - dr; + + /* max gain of xr/xi/zr/zi vs input = 4*sqrt(2)/2 = 2*sqrt(2) + * (sum of 8 samples, multiply by sqrt(2)/2, implicit >> 1 from Q31) + */ + xr = MULSHIFT32(SQRT1_2, ar - ai); + xi = MULSHIFT32(SQRT1_2, ar + ai); + zr = MULSHIFT32(SQRT1_2, cr - ci); + zi = MULSHIFT32(SQRT1_2, cr + ci); + + /* max gain of output vs input = (2 + 2*sqrt(2) ~= 4.83) + * (sum of 4 samples >> 1, plus xr/xi/zr/zi with gain of 2*sqrt(2)) + * in absolute terms, we have max gain of appx 9.656 (4 + 0.707*8) + * but we also gain 1 int bit (from MULSHIFT32 or from explicit >> 1) + */ + x[ 6] = (tr >> 1) - xr; + x[14] = (tr >> 1) + xr; + x[ 7] = (ti >> 1) - xi; + x[15] = (ti >> 1) + xi; + x[ 2] = (vr >> 1) + zi; + x[10] = (vr >> 1) - zi; + x[ 3] = (vi >> 1) - zr; + x[11] = (vi >> 1) + zr; + + x += 16; + } +} + +/************************************************************************************** + * Function: R4Core + * + * Description: radix-4 pass for decimation-in-time FFT + * + * Inputs: buffer of samples + * number of R4 butterflies per group + * number of R4 groups per pass + * pointer to twiddle factors tables + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: gain 2 integer bits per pass (see scaling comments in code) + * min 1 GB in + * gbOut = gbIn - 1 (short block) or gbIn - 2 (long block) + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + **************************************************************************************/ +static void R4Core(int *x, int bg, int gp, int *wtab) +{ + int ar, ai, br, bi, cr, ci, dr, di, tr, ti; + int wd, ws, wi; + int i, j, step; + int *xptr, *wptr; + + for (; bg != 0; gp <<= 2, bg >>= 2) { + + step = 2 * gp; + xptr = x; + + /* max per-sample gain, per group < 1 + 3*sqrt(2) ~= 5.25 if inputs x are full-scale + * do 3 groups for long block, 2 groups for short block (gain 2 int bits per group) + * + * very conservative scaling: + * group 1: max gain = 5.25, int bits gained = 2, gb used = 1 (2^3 = 8) + * group 2: max gain = 5.25^2 = 27.6, int bits gained = 4, gb used = 1 (2^5 = 32) + * group 3: max gain = 5.25^3 = 144.7, int bits gained = 6, gb used = 2 (2^8 = 256) + */ + for (i = bg; i != 0; i--) { + + wptr = wtab; + + for (j = gp; j != 0; j--) { + + ar = xptr[0]; + ai = xptr[1]; + xptr += step; + + /* gain 2 int bits for br/bi, cr/ci, dr/di (MULSHIFT32 by Q30) + * gain 1 net GB + */ + ws = wptr[0]; + wi = wptr[1]; + br = xptr[0]; + bi = xptr[1]; + wd = ws + 2 * wi; + tr = MULSHIFT32(wi, br + bi); + br = MULSHIFT32(wd, br) - tr; /* cos*br + sin*bi */ + bi = MULSHIFT32(ws, bi) + tr; /* cos*bi - sin*br */ + xptr += step; + + ws = wptr[2]; + wi = wptr[3]; + cr = xptr[0]; + ci = xptr[1]; + wd = ws + 2 * wi; + tr = MULSHIFT32(wi, cr + ci); + cr = MULSHIFT32(wd, cr) - tr; + ci = MULSHIFT32(ws, ci) + tr; + xptr += step; + + ws = wptr[4]; + wi = wptr[5]; + dr = xptr[0]; + di = xptr[1]; + wd = ws + 2 * wi; + tr = MULSHIFT32(wi, dr + di); + dr = MULSHIFT32(wd, dr) - tr; + di = MULSHIFT32(ws, di) + tr; + wptr += 6; + + tr = ar; + ti = ai; + ar = (tr >> 2) - br; + ai = (ti >> 2) - bi; + br = (tr >> 2) + br; + bi = (ti >> 2) + bi; + + tr = cr; + ti = ci; + cr = tr + dr; + ci = di - ti; + dr = tr - dr; + di = di + ti; + + xptr[0] = ar + ci; + xptr[1] = ai + dr; + xptr -= step; + xptr[0] = br - cr; + xptr[1] = bi - di; + xptr -= step; + xptr[0] = ar - ci; + xptr[1] = ai - dr; + xptr -= step; + xptr[0] = br + cr; + xptr[1] = bi + di; + xptr += 2; + } + xptr += 3 * step; + } + wtab += 3 * step; + } +} + + +/************************************************************************************** + * Function: R4FFT + * + * Description: Ken's very fast in-place radix-4 decimation-in-time FFT + * + * Inputs: table index (for transform size) + * buffer of samples (non bit-reversed) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 5 guard bits in for nfft <= 512 + * gbOut = gbIn - 4 (assuming input is from PreMultiply) + * gains log2(nfft) - 2 int bits total + * so gain 7 int bits (LONG), 4 int bits (SHORT) + **************************************************************************************/ +void R4FFT(int tabidx, int *x) +{ + int order = nfftlog2Tab[tabidx]; + int nfft = nfftTab[tabidx]; + + /* decimation in time */ + BitReverse(x, tabidx); + + if (order & 0x1) { + /* long block: order = 9, nfft = 512 */ + R8FirstPass(x, nfft >> 3); /* gain 1 int bit, lose 2 GB */ + R4Core(x, nfft >> 5, 8, (int *)twidTabOdd); /* gain 6 int bits, lose 2 GB */ + } else { + /* short block: order = 6, nfft = 64 */ + R4FirstPass(x, nfft >> 2); /* gain 0 int bits, lose 2 GB */ + R4Core(x, nfft >> 4, 4, (int *)twidTabEven); /* gain 4 int bits, lose 1 GB */ + } +} diff --git a/audio_codec/wfd_aac_decoder/filefmt.c b/audio_codec/wfd_aac_decoder/filefmt.c new file mode 100644 index 0000000..9db47d4 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/filefmt.c @@ -0,0 +1,539 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: filefmt.c,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * filefmt.c - ADIF and ADTS header decoding, raw block handling + **************************************************************************************/ + +#include "coder.h" +#include + +/************************************************************************************** +* Function: UnpackADTSHeader +* +* Description: parse the ADTS frame header and initialize decoder state +* +* Inputs: valid AACDecInfo struct +* double pointer to buffer with complete ADTS frame header (byte aligned) +* header size = 7 bytes, plus 2 if CRC +* +* Outputs: filled in ADTS struct +* updated buffer pointer +* updated bit offset +* updated number of available bits +* +* Return: 0 if successful, error code (< 0) if error +* +* TODO: test CRC +* verify that fixed fields don't change between frames +**************************************************************************************/ +int UnpackADTSHeader(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail) +{ + int bitsUsed; + PSInfoBase *psi; + BitStreamInfo bsi; + ADTSHeader *fhADTS; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + fhADTS = &(psi->fhADTS); + + if (AACDataSource == 1) { + /* init bitstream reader */ + SetBitstreamPointer(&bsi, (*bitsAvail + 7) >> 3, *buf); + GetBits(&bsi, *bitOffset); + + /* verify that first 12 bits of header are syncword */ + if (GetBits(&bsi, 12) != 0x0fff) { + return ERR_AAC_INVALID_ADTS_HEADER; + } + } + /* fixed fields - should not change from frame to frame */ + fhADTS->id = GetBits(&bsi, 1); + fhADTS->layer = GetBits(&bsi, 2); + fhADTS->protectBit = GetBits(&bsi, 1); + fhADTS->profile = GetBits(&bsi, 2); + fhADTS->sampRateIdx = GetBits(&bsi, 4); + fhADTS->privateBit = GetBits(&bsi, 1); + fhADTS->channelConfig = GetBits(&bsi, 3); + fhADTS->origCopy = GetBits(&bsi, 1); + fhADTS->home = GetBits(&bsi, 1); + + /* variable fields - can change from frame to frame */ + fhADTS->copyBit = GetBits(&bsi, 1); + fhADTS->copyStart = GetBits(&bsi, 1); + fhADTS->frameLength = GetBits(&bsi, 13); + fhADTS->bufferFull = GetBits(&bsi, 11); + fhADTS->numRawDataBlocks = GetBits(&bsi, 2) + 1; + + /* note - MPEG4 spec, correction 1 changes how CRC is handled when protectBit == 0 and numRawDataBlocks > 1 */ + if (fhADTS->protectBit == 0) { + fhADTS->crcCheckWord = GetBits(&bsi, 16); + } + + /* byte align */ + ByteAlignBitstream(&bsi); /* should always be aligned anyway */ + + /* check validity of header */ + if (fhADTS->layer != 0 || fhADTS->profile != AAC_PROFILE_LC || + fhADTS->sampRateIdx >= NUM_SAMPLE_RATES || fhADTS->channelConfig >= NUM_DEF_CHAN_MAPS) { + return ERR_AAC_INVALID_ADTS_HEADER; + } + +#ifndef AAC_ENABLE_MPEG4 + if (fhADTS->id != 1) { + return ERR_AAC_MPEG4_UNSUPPORTED; + } +#endif + + /* update codec info */ + psi->sampRateIdx = fhADTS->sampRateIdx; + if (!psi->useImpChanMap) { + psi->nChans = channelMapTab[fhADTS->channelConfig]; + } + + /* syntactic element fields will be read from bitstream for each element */ + aacDecInfo->prevBlockID = AAC_ID_INVALID; + aacDecInfo->currBlockID = AAC_ID_INVALID; + aacDecInfo->currInstTag = -1; + + /* fill in user-accessible data (TODO - calc bitrate, handle tricky channel config cases) */ + aacDecInfo->bitRate = 0; + aacDecInfo->nChans = psi->nChans; + aacDecInfo->sampRate = sampRateTab[psi->sampRateIdx]; + aacDecInfo->profile = fhADTS->profile; + aacDecInfo->sbrEnabled = 0; + aacDecInfo->adtsBlocksLeft = fhADTS->numRawDataBlocks; + aacDecInfo->frame_length = fhADTS->frameLength; + if (AACDataSource == 1) { + /* update bitstream reader */ + bitsUsed = CalcBitsUsed(&bsi, *buf, *bitOffset); + *buf += (bitsUsed + *bitOffset) >> 3; + *bitOffset = (bitsUsed + *bitOffset) & 0x07; + *bitsAvail -= bitsUsed ; + if (*bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: GetADTSChannelMapping + * + * Description: determine the number of channels from implicit mapping rules + * + * Inputs: valid AACDecInfo struct + * pointer to start of raw_data_block + * bit offset + * bits available + * + * Outputs: updated number of channels + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: calculates total number of channels using rules in 14496-3, 4.5.1.2.1 + * does not attempt to deduce speaker geometry + **************************************************************************************/ +int GetADTSChannelMapping(AACDecInfo *aacDecInfo, unsigned char *buf, int bitOffset, int bitsAvail) +{ + int ch, nChans, elementChans, err; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + nChans = 0; + do { + /* parse next syntactic element */ + err = DecodeNextElement(aacDecInfo, &buf, &bitOffset, &bitsAvail); + if (err) { + return err; + } + + elementChans = elementNumChans[aacDecInfo->currBlockID]; + nChans += elementChans; + + for (ch = 0; ch < elementChans; ch++) { + err = DecodeNoiselessData(aacDecInfo, &buf, &bitOffset, &bitsAvail, ch); + if (err) { + return err; + } + } + } while (aacDecInfo->currBlockID != AAC_ID_END); + + if (nChans <= 0) { + return ERR_AAC_CHANNEL_MAP; + } + + /* update number of channels in codec state and user-accessible info structs */ + psi->nChans = nChans; + aacDecInfo->nChans = psi->nChans; + psi->useImpChanMap = 1; + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: GetNumChannelsADIF + * + * Description: get number of channels from program config elements in an ADIF file + * + * Inputs: array of filled-in program config element structures + * number of PCE's + * + * Outputs: none + * + * Return: total number of channels in file + * -1 if error (invalid number of PCE's or unsupported mode) + **************************************************************************************/ +static int GetNumChannelsADIF(ProgConfigElement *fhPCE, int nPCE) +{ + int i, j, nChans; + + if (nPCE < 1 || nPCE > MAX_NUM_PCE_ADIF) { + return -1; + } + + nChans = 0; + for (i = 0; i < nPCE; i++) { + /* for now: only support LC, no channel coupling */ +#if 0 + if (fhPCE[i].profile != AAC_PROFILE_LC || fhPCE[i].numCCE > 0) { + return -1; + } +#endif + + /* add up number of channels in all channel elements (assume all single-channel) */ + nChans += fhPCE[i].numFCE; + nChans += fhPCE[i].numSCE; + nChans += fhPCE[i].numBCE; + nChans += fhPCE[i].numLCE; + + /* add one more for every element which is a channel pair */ + for (j = 0; j < fhPCE[i].numFCE; j++) { + if (CHAN_ELEM_IS_CPE(fhPCE[i].fce[j])) { + nChans++; + } + } + for (j = 0; j < fhPCE[i].numSCE; j++) { + if (CHAN_ELEM_IS_CPE(fhPCE[i].sce[j])) { + nChans++; + } + } + for (j = 0; j < fhPCE[i].numBCE; j++) { + if (CHAN_ELEM_IS_CPE(fhPCE[i].bce[j])) { + nChans++; + } + } + + } + + return nChans; +} + +/************************************************************************************** + * Function: GetSampleRateIdxADIF + * + * Description: get sampling rate index from program config elements in an ADIF file + * + * Inputs: array of filled-in program config element structures + * number of PCE's + * + * Outputs: none + * + * Return: sample rate of file + * -1 if error (invalid number of PCE's or sample rate mismatch) + **************************************************************************************/ +static int GetSampleRateIdxADIF(ProgConfigElement *fhPCE, int nPCE) +{ + int i, idx; + + if (nPCE < 1 || nPCE > MAX_NUM_PCE_ADIF) { + return -1; + } + + /* make sure all PCE's have the same sample rate */ + idx = fhPCE[0].sampRateIdx; + for (i = 1; i < nPCE; i++) { + if (fhPCE[i].sampRateIdx != idx) { + return -1; + } + } + + return idx; +} + +/************************************************************************************** + * Function: UnpackADIFHeader + * + * Description: parse the ADIF file header and initialize decoder state + * + * Inputs: valid AACDecInfo struct + * double pointer to buffer with complete ADIF header + * (starting at 'A' in 'ADIF' tag) + * pointer to bit offset + * pointer to number of valid bits remaining in inbuf + * + * Outputs: filled-in ADIF struct + * updated buffer pointer + * updated bit offset + * updated number of available bits + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int UnpackADIFHeader(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail) +{ + int i, bitsUsed; + PSInfoBase *psi; + BitStreamInfo bsi; + ADIFHeader *fhADIF; + ProgConfigElement *pce; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + if (AACDataSource == 1) { + /* init bitstream reader */ + SetBitstreamPointer(&bsi, (*bitsAvail + 7) >> 3, *buf); + GetBits(&bsi, *bitOffset); + } + + /* unpack ADIF file header */ + fhADIF = &(psi->fhADIF); + pce = psi->pce; + + /* verify that first 32 bits of header are "ADIF" */ + if (GetBits(&bsi, 8) != 'A' || GetBits(&bsi, 8) != 'D' || GetBits(&bsi, 8) != 'I' || GetBits(&bsi, 8) != 'F') { + return ERR_AAC_INVALID_ADIF_HEADER; + } + + /* read ADIF header fields */ + fhADIF->copyBit = GetBits(&bsi, 1); + if (fhADIF->copyBit) { + for (i = 0; i < ADIF_COPYID_SIZE; i++) { + fhADIF->copyID[i] = GetBits(&bsi, 8); + } + } + fhADIF->origCopy = GetBits(&bsi, 1); + fhADIF->home = GetBits(&bsi, 1); + fhADIF->bsType = GetBits(&bsi, 1); + fhADIF->bitRate = GetBits(&bsi, 23); + fhADIF->numPCE = GetBits(&bsi, 4) + 1; /* add 1 (so range = [1, 16]) */ + + //if (fhADIF->bsType == 0) + // fhADIF->bufferFull = GetBits(&bsi, 20); + + /* parse all program config elements */ + for (i = 0; i < fhADIF->numPCE; i++) { + if (fhADIF->bsType == 0) { + fhADIF->bufferFull = GetBits(&bsi, 20); + } else { + fhADIF->bufferFull = 0; + } + DecodeProgramConfigElement(pce + i, &bsi); + + } + + /* byte align */ + ByteAlignBitstream(&bsi); + + /* update codec info */ + psi->nChans = GetNumChannelsADIF(pce, 1/*fhADIF->numPCE*/); + psi->sampRateIdx = GetSampleRateIdxADIF(pce, fhADIF->numPCE); + + /* check validity of header */ + if (psi->nChans < 0 || psi->sampRateIdx < 0 || psi->sampRateIdx >= NUM_SAMPLE_RATES) { + return ERR_AAC_INVALID_ADIF_HEADER; + } + + /* syntactic element fields will be read from bitstream for each element */ + aacDecInfo->prevBlockID = AAC_ID_INVALID; + aacDecInfo->currBlockID = AAC_ID_INVALID; + aacDecInfo->currInstTag = -1; + + /* fill in user-accessible data */ + aacDecInfo->bitRate = fhADIF->bitRate; + aacDecInfo->nChans = psi->nChans; + aacDecInfo->sampRate = sampRateTab[psi->sampRateIdx]; + aacDecInfo->profile = pce[0].profile; + aacDecInfo->sbrEnabled = 0; + + if (AACDataSource == 1) { + /* update bitstream reader */ + bitsUsed = CalcBitsUsed(&bsi, *buf, *bitOffset); + *buf += (bitsUsed + *bitOffset) >> 3; + *bitOffset = (bitsUsed + *bitOffset) & 0x07; + *bitsAvail -= bitsUsed ; + if (*bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: SetRawBlockParams + * + * Description: set internal state variables for decoding a stream of raw data blocks + * + * Inputs: valid AACDecInfo struct + * flag indicating source of parameters (from previous headers or passed + * explicitly by caller) + * number of channels + * sample rate + * profile ID + * + * Outputs: updated state variables in aacDecInfo + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: if copyLast == 1, then psi->nChans, psi->sampRateIdx, and + * aacDecInfo->profile are not changed (it's assumed that we already + * set them, such as by a previous call to UnpackADTSHeader()) + * if copyLast == 0, then the parameters we passed in are used instead + **************************************************************************************/ +int SetRawBlockParams(AACDecInfo *aacDecInfo, int copyLast, int nChans, int sampRate, int profile) +{ + int idx; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + if (!copyLast) { + aacDecInfo->profile = profile; + psi->nChans = nChans; + for (idx = 0; idx < NUM_SAMPLE_RATES; idx++) { + if (sampRate == sampRateTab[idx]) { + psi->sampRateIdx = idx; + break; + } + } + if (idx == NUM_SAMPLE_RATES) { + return ERR_AAC_INVALID_FRAME; + } + } + aacDecInfo->nChans = psi->nChans; + aacDecInfo->sampRate = sampRateTab[psi->sampRateIdx]; + + /* check validity of header */ + if (psi->sampRateIdx >= NUM_SAMPLE_RATES || psi->sampRateIdx < 0 || aacDecInfo->profile != AAC_PROFILE_LC) { + return ERR_AAC_RAWBLOCK_PARAMS; + } + + return ERR_AAC_NONE; +} +/************************************************************************************** + * Function: PrepareRawBlock + * + * Description: reset per-block state variables for raw blocks (no ADTS/ADIF headers) + * + * Inputs: valid AACDecInfo struct + * + * Outputs: updated state variables in aacDecInfo + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int PrepareRawBlock(AACDecInfo *aacDecInfo) +{ + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + /* syntactic element fields will be read from bitstream for each element */ + aacDecInfo->prevBlockID = AAC_ID_INVALID; + aacDecInfo->currBlockID = AAC_ID_INVALID; + aacDecInfo->currInstTag = -1; + + /* fill in user-accessible data */ + aacDecInfo->bitRate = 0; + aacDecInfo->sbrEnabled = 0; + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: FlushCodec + * + * Description: flush internal codec state (after seeking, for example) + * + * Inputs: valid AACDecInfo struct + * + * Outputs: updated state variables in aacDecInfo + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: only need to clear data which is persistent between frames + * (such as overlap buffer) + **************************************************************************************/ +int FlushCodec(AACDecInfo *aacDecInfo) +{ + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + ClearBuffer(psi->overlap, AAC_MAX_NCHANS * AAC_MAX_NSAMPS * sizeof(int)); + ClearBuffer(psi->prevWinShape, AAC_MAX_NCHANS * sizeof(int)); + + return ERR_AAC_NONE; +} diff --git a/audio_codec/wfd_aac_decoder/helix_aac_decode.c b/audio_codec/wfd_aac_decoder/helix_aac_decode.c new file mode 100644 index 0000000..ae32386 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/helix_aac_decode.c @@ -0,0 +1,548 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + + + +#include "aaccommon.h" +#include "aacdec.h" +#include "../../amadec/adec-armdec-mgt.h" + + +int AACDataSource = 1; +static HAACDecoder hAACDecoder; +static HAACIOBuf hAACIOBuf = NULL; + +static int mute_pcm_bytes; +/* check the normal frame size */ +static unsigned last_frm_size; +static unsigned cur_frm_size; +static int lastFrameLen ; +static int lastSampPerFrm ; + +#define FRAME_RECORD_NUM 20 +static unsigned error_count = 0; +static unsigned mute_pcm_thread; +static unsigned his_index; +static unsigned frame_length_his[FRAME_RECORD_NUM]; + +static unsigned stream_in_offset = 0; +static unsigned enable_debug_print = 0; +/* Channel definitions */ +#define FRONT_CENTER (0) +#define FRONT_LEFT (1) +#define FRONT_RIGHT (2) +#define SIDE_LEFT (3) +#define SIDE_RIGHT (4) +#define BACK_LEFT (5) +#define LFE_CHANNEL (6) + + + + + +#define ASTREAM_DEV "/dev/uio0" +#define ASTREAM_ADDR "/sys/class/astream/astream-dev/uio0/maps/map0/addr" +#define ASTREAM_SIZE "/sys/class/astream/astream-dev/uio0/maps/map0/size" +#define ASTREAM_OFFSET "/sys/class/astream/astream-dev/uio0/maps/map0/offset" + + + +#define AIU_AIFIFO_CTRL 0x1580 +#define AIU_AIFIFO_STATUS 0x1581 +#define AIU_AIFIFO_GBIT 0x1582 +#define AIU_AIFIFO_CLB 0x1583 +#define AIU_MEM_AIFIFO_START_PTR 0x1584 +#define AIU_MEM_AIFIFO_CURR_PTR 0x1585 +#define AIU_MEM_AIFIFO_END_PTR 0x1586 +#define AIU_MEM_AIFIFO_BYTES_AVAIL 0x1587 +#define AIU_MEM_AIFIFO_CONTROL 0x1588 +#define AIU_MEM_AIFIFO_MAN_WP 0x1589 +#define AIU_MEM_AIFIFO_MAN_RP 0x158a +#define AIU_MEM_AIFIFO_LEVEL 0x158b +#define AIU_MEM_AIFIFO_BUF_CNTL 0x158c +#define AIU_MEM_AIFIFO_BUF_WRAP_COUNT 0x158d +#define AIU_MEM_AIFIFO2_BUF_WRAP_COUNT 0x158e +#define AIU_MEM_AIFIFO_MEM_CTL 0x158f + +volatile unsigned* reg_base = 0; +#define READ_MPEG_REG(reg) reg_base[reg-AIU_AIFIFO_CTRL] +#define WRITE_MPEG_REG(reg, val) reg_base[reg-AIU_AIFIFO_CTRL]=val +#define AIFIFO_READY (((READ_MPEG_REG(AIU_MEM_AIFIFO_CONTROL)&(1<<9)))) +#define min(x,y) ((x= 0) { + read(fd, bcmd, sizeof(bcmd)); + num = strtoul(bcmd, NULL, 0); + close(fd); + } else { + audio_codec_print("unable to open file %s,", path); + } + return num; +} +static unsigned long get_num_infile(char *file) +{ + return amsysfs_get_sysfs_ulong(file); +} + +static int uio_init() +{ + int pagesize = getpagesize(); + int phys_start; + int phys_offset; + + + fd_uio = open(ASTREAM_DEV, O_RDWR); + if (fd_uio < 0) { + audio_codec_print("error open UIO 0\n"); + return -1; + } + phys_start = get_num_infile(ASTREAM_ADDR); + phys_size = get_num_infile(ASTREAM_SIZE); + phys_offset = get_num_infile(ASTREAM_OFFSET); + + audio_codec_print("add=%08x, size=%08x, offset=%08x\n", phys_start, phys_size, phys_offset); + + phys_size = (phys_size + pagesize - 1) & (~(pagesize - 1)); + memmap = mmap(NULL, phys_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd_uio, 0 * pagesize); + + audio_codec_print("memmap = %x , pagesize = %x\n", memmap, pagesize); + if (memmap == MAP_FAILED) { + audio_codec_print("map /dev/uio0 failed\n"); + return -1; + } + + if (phys_offset == 0) + phys_offset = (AIU_AIFIFO_CTRL*4)&(pagesize-1); + reg_base = memmap + phys_offset; + return 0; +} + +#define EXTRA_DATA_SIZE 128 + +static inline void waiting_bits(int bits) +{ + int bytes; + bytes = READ_MPEG_REG(AIU_MEM_AIFIFO_BYTES_AVAIL); + while (bytes * 8 < bits && !exit_flag) { + usleep(1000); + bytes = READ_MPEG_REG(AIU_MEM_AIFIFO_BYTES_AVAIL); + } +} + +int read_buffer(unsigned char *buffer, int size) +{ + int bytes; + int len; + unsigned char *p = buffer; + int tmp; + int space; + int i; + int wait_times = 0, fifo_ready_wait = 0; + + int iii; + + iii = READ_MPEG_REG(AIU_MEM_AIFIFO_LEVEL) - EXTRA_DATA_SIZE; + if ((size >= iii)) { + return 0; + } + + // adec_print("read_buffer start while iii= %d!!\n", iii); + for (len = 0; len < size;) { + space = (size - len); + bytes = READ_MPEG_REG(AIU_MEM_AIFIFO_BYTES_AVAIL); + //adec_print("read_buffer start AIU_MEM_AIFIFO_BYTES_AVAIL bytes= %d!!\n", bytes); + wait_times = 0; + while (bytes == 0) { + waiting_bits((space > 128) ? 128 * 8 : (space * 8)); /*wait 32 bytes,if the space is less than 32 bytes,wait the space bits*/ + bytes = READ_MPEG_REG(AIU_MEM_AIFIFO_BYTES_AVAIL); + + audio_codec_print("read_buffer while AIU_MEM_AIFIFO_BYTES_AVAIL = %d!!\n", bytes); + wait_times++; + if (wait_times > 10) { + audio_codec_print("goto out!!\n"); + goto out; + } + } + bytes = min(space, bytes); + + //adec_print("read_buffer while bytes = %d!!\n", bytes); + for (i = 0; i < bytes; i++) { + while (!AIFIFO_READY) { + fifo_ready_wait++; + usleep(1000); + if (fifo_ready_wait > 100) { + audio_codec_print("FATAL err,AIFIFO is not ready,check!!\n"); + return 0; + } + } + WRITE_MPEG_REG(AIU_AIFIFO_GBIT, 8); + tmp = READ_MPEG_REG(AIU_AIFIFO_GBIT); + //adec_print("read_buffer while tmp = %d!!\n", tmp); + + *p++ = tmp & 0xff; + fifo_ready_wait = 0; + + } + len += bytes; + } +out: + stream_in_offset += len; + return len; +} +int get_audiobuf_level() +{ + int level = 0; + level = READ_MPEG_REG(AIU_MEM_AIFIFO_LEVEL) - EXTRA_DATA_SIZE; + if (level < 0) { + level = 0; + } + return level; +} + + +static unsigned get_frame_size() +{ + int i; + unsigned sum = 0; + unsigned valid_his_num = 0; + for (i = 0; i < FRAME_RECORD_NUM; i++) { + if (frame_length_his[i] > 0) { + valid_his_num ++; + sum += frame_length_his[i]; + } + } + + if (valid_his_num == 0) { + return 0; + } + + return sum / valid_his_num; +} + +unsigned get_audio_inbuf_latency(int bytesin) +{ + int frame_size = 0; + int latency_ms = 0; + frame_size = get_frame_size(); + if (frame_size > 0) { + latency_ms = bytesin * 1024 / (frame_size * 48); + } + return latency_ms; +} + +static HAACDecoder aac_init_decoder() +{ + return AACInitDecoder(); +} +static HAACIOBuf aac_init_iobuf() +{ + return (HAACIOBuf)calloc(1, sizeof(AACIOBuf)); +} +#define AUDIO_BUFFER_REMAINED 128 +static void aac_refill_buffer(HAACIOBuf hIOBuf) +{ + AACIOBuf *IOBuf = (AACIOBuf*)hIOBuf; + int bytes_expected; + int read_bytes; + int read_level_count = 0; + int buf_level = 0; + int retry_time = 0; + +start_read: + if (exit_flag) { + return ; + } + do { + buf_level = get_audiobuf_level(); + if (buf_level <= 0) { + break; + } + + if (IOBuf->bytesLeft > 0) { + while (IOBuf->bytesLeft > AAC_INPUTBUF_SIZE) { + ; + } + memcpy(IOBuf->readBuf, IOBuf->readPtr, IOBuf->bytesLeft); + } + + while (IOBuf->bytesLeft < 0) { + printk("IOBuf->bytesLeft < 0\n", IOBuf->bytesLeft); + } + + bytes_expected = AAC_INPUTBUF_SIZE - IOBuf->bytesLeft; + + while (bytes_expected < 0) { + printk("bytes_expected = %d\n", bytes_expected); + } + + if (bytes_expected > buf_level) { + bytes_expected = buf_level; + } + + read_bytes = read_buffer(IOBuf->readBuf + IOBuf->bytesLeft, bytes_expected); + + IOBuf->readPtr = IOBuf->readBuf; + IOBuf->bytesLeft += read_bytes; + } while (0); + if (IOBuf->bytesLeft < get_frame_size()) { + goto start_read; + } +} + +static int aac_reset_decoder(HAACDecoder hAACDecoder, HAACIOBuf hIOBuf) +{ + AACIOBuf *IOBuf = (AACIOBuf*)hIOBuf; + IOBuf->readPtr = IOBuf->readBuf; + IOBuf->bytesLeft = 0; + return AACFlushCodec(hAACDecoder); +} +static int aac_decode_frame(HAACDecoder hAACDecoder, HAACIOBuf hIOBuf) +{ + int err; + AACIOBuf *IOBuf = (AACIOBuf*)hIOBuf; + if (AACDataSource == 1) { + if (IOBuf->bytesLeft < AAC_INPUTBUF_SIZE / 2) { + aac_refill_buffer(IOBuf); + } + } + if (exit_flag) { + return ERR_AAC_EXIT_DECODE; + } + /* decode one AAC frame */ + err = AACDecode(hAACDecoder, &(IOBuf->readPtr), &(IOBuf->bytesLeft), (IOBuf->outBuf)); + return err; +} +int audio_dec_init(audio_decoder_operations_t *adp) +{ + //printk("\n\n[%s]WFDAAC DEC BuildDate--%s BuildTime--%s", __FUNCTION__, __DATE__, __TIME__); + char value[PROPERTY_VALUE_MAX]; + if (property_get("media.wfd.debug_dec", value, NULL) > 0) { + enable_debug_print = atoi(value); + } + int err = 0, ch = 0, i; + AACFrameInfo aacFrameInfo = {0}; + audio_codec_print("helix_aac_decoder_init start \n"); + err = uio_init(); + if (err) { + return -1; + } + hAACDecoder = aac_init_decoder(); + if (!hAACDecoder) { + printk("fatal error,helix aac decoder init failed\n"); + return -1; + } + hAACIOBuf = aac_init_iobuf(); + if (!hAACIOBuf) { + printk("fatal error,helix aac decoder init iobuf failed\n"); + + return -1; + } + + return 0; +} + +/* + channel configuration mapping + ch nums position + 3 FC FL FR + 4 FC FL FR BC + 5 FC FL FR BL BR + 6 FC FL FR BL BR LFE + +*/ +#define FATAL_ERR_RESET_COUNT 2000 +int audio_dec_decode(audio_decoder_operations_t *adec_ops, char *buf, int *outlen, char *inbuf, int inlen) +{ + int err, i, sample_out = 0, ch; + short *pcmbuf = (short*)buf; + short *ouput = (short*)(((AACIOBuf*)hAACIOBuf)->outBuf); + int ch_num; + int sum; + unsigned ch_map_scale[6] = {2, 4, 4, 2, 2, 0}; //full scale == 8 + AACFrameInfo aacFrameInfo = {0}; + + err = aac_decode_frame(hAACDecoder, hAACIOBuf); + if (!err) { + error_count = 0; + AACGetLastFrameInfo(hAACDecoder, &aacFrameInfo); + + + /* L = (l+c)/2;R = (r+c)/2 */ + if (aacFrameInfo.nChans > 2) { //should do downmix to 2ch output. + ch_num = aacFrameInfo.nChans; + sample_out = aacFrameInfo.outputSamps / ch_num * 2 * 2; //ch_num*sample_num*16bit + if (ch_num == 3 || ch_num == 4) { + ch_map_scale[0] = 4; //50% + ch_map_scale[1] = 4;//50% + ch_map_scale[2] = 4;//50% + ch_map_scale[3] = 0; + ch_map_scale[4] = 0; + ch_map_scale[5] = 0; + } + for (i = 0; i < aacFrameInfo.outputSamps / ch_num; i++) { + sum = ((int)ouput[ch_num * i + FRONT_LEFT] * ch_map_scale[FRONT_LEFT] + (int)ouput[ch_num * i + FRONT_CENTER] * ch_map_scale[FRONT_CENTER] + (int)ouput[ch_num * i + BACK_LEFT] * ch_map_scale[BACK_LEFT]); + pcmbuf[i * 2] = sum >> 3; + sum = ((int)ouput[ch_num * i + FRONT_RIGHT] * ch_map_scale[FRONT_RIGHT] + (int)ouput[ch_num * i + FRONT_CENTER] * ch_map_scale[FRONT_CENTER] + (int)ouput[ch_num * i + BACK_LEFT] * ch_map_scale[BACK_LEFT]); + pcmbuf[2 * i + 1] = sum >> 3; + } + } else { + memcpy(pcmbuf, ouput, aacFrameInfo.outputSamps * 2); + sample_out = aacFrameInfo.outputSamps * 2; //ch_num*sample_num*16bit + } + + AACGetDecoderInfo(hAACDecoder, &aacFrameInfo); + // fmt->total_byte_parsed = aacFrameInfo.total_byte_parsed; + // fmt->total_sample_decoded = aacFrameInfo.total_sample_decoded; + // fmt->format = aacFrameInfo.format; + // fmt->bps = aacFrameInfo.bitRate; + + lastFrameLen = ((AACDecInfo*)hAACDecoder)->frame_length; + /* record the frame length into the history buffer */ + for (i = 0; i < FRAME_RECORD_NUM - 1; i++) { + frame_length_his[i] = frame_length_his[i + 1]; + } + frame_length_his[FRAME_RECORD_NUM - 1] = lastFrameLen; + unsigned abuf_level = get_audiobuf_level(); + unsigned dec_cached = ((AACIOBuf*)hAACIOBuf)->bytesLeft; + unsigned in_latency_ms = get_audio_inbuf_latency(abuf_level + dec_cached); + if (enable_debug_print) + printk("sampRateCore %d,sampRateOut %d,last frame len %d,avarge frame size %d,decode out sample %d,buf level %d,decode cached %d,total level %d ;latency %d ms \n", \ + aacFrameInfo.sampRateCore, aacFrameInfo.sampRateOut, \ + lastFrameLen, get_frame_size(), sample_out, \ + abuf_level, dec_cached, abuf_level + dec_cached, in_latency_ms); + memcpy(inbuf, &in_latency_ms, sizeof(in_latency_ms)); + lastSampPerFrm = sample_out; + adec_ops->samplerate = aacFrameInfo.sampRateOut; + adec_ops->channels = aacFrameInfo.nChans > 2 ? 2 : aacFrameInfo.nChans; + } else if (err == ERR_AAC_INDATA_UNDERFLOW) { + aac_refill_buffer(hAACIOBuf); + } + /* why add this ???? + else if (err==ERR_AAC_NCHANS_TOO_HIGH) + { + //maybe we meet zero frame + ((AACIOBuf*)hAACIOBuf)->bytesLeft =0; + sample_out =0; + } + */ + else if (err == ERR_AAC_EXIT_DECODE) { + sample_out = 0; + } else { + int frame_length; + if (ERR_AAC_SSR_GAIN_NOT_ADDED != err) { + error_count++; + } + // error, disable output, reset decoder and flush io + if (/*!mute_frame_num*/(error_count % 20) == 1) { //only print the every 20 times error +#if 0 + printk("helix aac decoder error,err num :%d,try output 40 mute frames and skip err bitstream\n", err); + printk("frame_length = %d\n", get_frame_size()); + printk("sames per frame: %d\n", lastSampPerFrm); +#endif + } + if (error_count == FATAL_ERR_RESET_COUNT) { // send to player to reset the player + printk("decoder error count FATAL_ERR_RESET_COUNT %s\n", FATAL_ERR_RESET_COUNT); + // trans_err_code(DECODE_FATAL_ERR); + } + //aac_reset_decoder(hAACDecoder, hAACIOBuf); + // AACFlushCodec(hAACDecoder); + frame_length = get_frame_size() * 2 / 3/*((AACDecInfo*)hAACDecoder)->frame_length*/; //skip 2/3 of last frame size + if (AACDataSource) { + if (frame_length > 0) { + if (((AACIOBuf*)hAACIOBuf)->bytesLeft > frame_length) { + ((AACIOBuf*)hAACIOBuf)->bytesLeft -= frame_length; + ((AACIOBuf*)hAACIOBuf)->readPtr += frame_length; + // printk("skip1 %d bytes \n",frame_length); + } else { + // printk("skip2 %d bytes \n",((AACIOBuf*)hAACIOBuf)->bytesLeft); + + ((AACIOBuf*)hAACIOBuf)->readPtr = ((AACIOBuf*)hAACIOBuf)->readBuf; + ((AACIOBuf*)hAACIOBuf)->bytesLeft = 0; + + } + } else { + if (((AACIOBuf*)hAACIOBuf)->bytesLeft > 100) { + ((AACIOBuf*)hAACIOBuf)->bytesLeft -= 100; + ((AACIOBuf*)hAACIOBuf)->readPtr += 100; + + // printk("skip3 %d bytes \n",100); + } else { + // printk("skip4 %d bytes \n",((AACIOBuf*)hAACIOBuf)->bytesLeft); + + ((AACIOBuf*)hAACIOBuf)->readPtr = ((AACIOBuf*)hAACIOBuf)->readBuf; + ((AACIOBuf*)hAACIOBuf)->bytesLeft = 0; + + } + } + } + + sample_out = 0;//lastSampPerFrm/*fmt->channel_num*2*1024*/; + mute_pcm_bytes = mute_pcm_thread; + } + if (sample_out && mute_pcm_bytes > 0) { + memset(buf, 0, sample_out); + mute_pcm_bytes -= sample_out; + } + if (!err) { + mute_pcm_thread = 0; + + } + + + *outlen = sample_out; + return stream_in_offset; +} + +int audio_dec_release(audio_decoder_operations_t *adec_ops) +{ +#if 0 + if (hAACIOBuf) { + free(hAACIOBuf); + hAACIOBuf = NULL; + } + if (hAACDecoder) { + AACFreeDecoder(hAACDecoder); + hAACDecoder = NULL; + } +#endif + if (fd_uio >= 0) { + close(fd_uio); + } + fd_uio = -1; + if (memmap != NULL && memmap != MAP_FAILED) { + munmap(memmap, phys_size); + } + printk("WFDAAC audio_dec_release done \n"); + return 0; +} +int audio_dec_getinfo(audio_decoder_operations_t *adec_ops, void *pAudioInfo) +{ + return 0; +} + + +void audio_set_exit_flag() +{ + exit_flag = 1; + printk("adec decode exit flag set \n"); +} + + + + diff --git a/audio_codec/wfd_aac_decoder/huffman.c b/audio_codec/wfd_aac_decoder/huffman.c new file mode 100644 index 0000000..fdf310f --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/huffman.c @@ -0,0 +1,450 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: huffman.c,v 1.2 2005/05/24 16:01:55 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * huffman.c - Huffman decoding + **************************************************************************************/ + +#include "coder.h" + +/************************************************************************************** + * Function: DecodeHuffmanScalar + * + * Description: decode one Huffman symbol from bitstream + * + * Inputs: pointers to Huffman table and info struct + * left-aligned bit buffer with >= huffTabInfo->maxBits bits + * + * Outputs: decoded symbol in *val + * + * Return: number of bits in symbol + * + * Notes: assumes canonical Huffman codes: + * first CW always 0, we have "count" CW's of length "nBits" bits + * starting CW for codes of length nBits+1 = + * (startCW[nBits] + count[nBits]) << 1 + * if there are no codes at nBits, then we just keep << 1 each time + * (since count[nBits] = 0) + **************************************************************************************/ +int DecodeHuffmanScalar(const signed short *huffTab, const HuffInfo *huffTabInfo, unsigned int bitBuf, signed int *val) +{ + unsigned int count, start, shift, t; + const unsigned char *countPtr; + const signed short *map; + + map = huffTab + huffTabInfo->offset; + countPtr = huffTabInfo->count; + + start = 0; + count = 0; + shift = 32; + do { + start += count; + start <<= 1; + map += count; + count = *countPtr++; + shift--; + t = (bitBuf >> shift) - start; + } while (t >= count); + + *val = (signed int)map[t]; + return (countPtr - huffTabInfo->count); +} + +#define APPLY_SIGN(v, s) {(v) ^= ((signed int)(s) >> 31); (v) -= ((signed int)(s) >> 31);} + +#define GET_QUAD_SIGNBITS(v) (((unsigned int)(v) << 17) >> 29) /* bits 14-12, unsigned */ +#define GET_QUAD_W(v) (((signed int)(v) << 20) >> 29) /* bits 11-9, sign-extend */ +#define GET_QUAD_X(v) (((signed int)(v) << 23) >> 29) /* bits 8-6, sign-extend */ +#define GET_QUAD_Y(v) (((signed int)(v) << 26) >> 29) /* bits 5-3, sign-extend */ +#define GET_QUAD_Z(v) (((signed int)(v) << 29) >> 29) /* bits 2-0, sign-extend */ + +#define GET_PAIR_SIGNBITS(v) (((unsigned int)(v) << 20) >> 30) /* bits 11-10, unsigned */ +#define GET_PAIR_Y(v) (((signed int)(v) << 22) >> 27) /* bits 9-5, sign-extend */ +#define GET_PAIR_Z(v) (((signed int)(v) << 27) >> 27) /* bits 4-0, sign-extend */ + +#define GET_ESC_SIGNBITS(v) (((unsigned int)(v) << 18) >> 30) /* bits 13-12, unsigned */ +#define GET_ESC_Y(v) (((signed int)(v) << 20) >> 26) /* bits 11-6, sign-extend */ +#define GET_ESC_Z(v) (((signed int)(v) << 26) >> 26) /* bits 5-0, sign-extend */ + +/************************************************************************************** + * Function: UnpackZeros + * + * Description: fill a section of coefficients with zeros + * + * Inputs: number of coefficients + * + * Outputs: nVals zeros, starting at coef + * + * Return: none + * + * Notes: assumes nVals is always a multiple of 4 because all scalefactor bands + * are a multiple of 4 coefficients long + **************************************************************************************/ +static void UnpackZeros(int nVals, int *coef) +{ + while (nVals > 0) { + *coef++ = 0; + *coef++ = 0; + *coef++ = 0; + *coef++ = 0; + nVals -= 4; + } +} + +/************************************************************************************** + * Function: UnpackQuads + * + * Description: decode a section of 4-way vector Huffman coded coefficients + * + * Inputs BitStreamInfo struct pointing to start of codewords for this section + * index of Huffman codebook + * number of coefficients + * + * Outputs: nVals coefficients, starting at coef + * + * Return: none + * + * Notes: assumes nVals is always a multiple of 4 because all scalefactor bands + * are a multiple of 4 coefficients long + **************************************************************************************/ +static void UnpackQuads(BitStreamInfo *bsi, int cb, int nVals, int *coef) +{ + int w, x, y, z, maxBits, nCodeBits, nSignBits, val; + unsigned int bitBuf; + + maxBits = huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET].maxBits + 4; + while (nVals > 0) { + /* decode quad */ + bitBuf = GetBitsNoAdvance(bsi, maxBits) << (32 - maxBits); + nCodeBits = DecodeHuffmanScalar(huffTabSpec, &huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET], bitBuf, &val); + + w = GET_QUAD_W(val); + x = GET_QUAD_X(val); + y = GET_QUAD_Y(val); + z = GET_QUAD_Z(val); + + bitBuf <<= nCodeBits; + nSignBits = (int)GET_QUAD_SIGNBITS(val); + AdvanceBitstream(bsi, nCodeBits + nSignBits); + if (nSignBits) { + if (w) { + APPLY_SIGN(w, bitBuf); + bitBuf <<= 1; + } + if (x) { + APPLY_SIGN(x, bitBuf); + bitBuf <<= 1; + } + if (y) { + APPLY_SIGN(y, bitBuf); + bitBuf <<= 1; + } + if (z) { + APPLY_SIGN(z, bitBuf); + bitBuf <<= 1; + } + } + *coef++ = w; + *coef++ = x; + *coef++ = y; + *coef++ = z; + nVals -= 4; + } +} + +/************************************************************************************** + * Function: UnpackPairsNoEsc + * + * Description: decode a section of 2-way vector Huffman coded coefficients, + * using non-esc tables (5 through 10) + * + * Inputs BitStreamInfo struct pointing to start of codewords for this section + * index of Huffman codebook (must not be the escape codebook) + * number of coefficients + * + * Outputs: nVals coefficients, starting at coef + * + * Return: none + * + * Notes: assumes nVals is always a multiple of 2 because all scalefactor bands + * are a multiple of 4 coefficients long + **************************************************************************************/ +static void UnpackPairsNoEsc(BitStreamInfo *bsi, int cb, int nVals, int *coef) +{ + int y, z, maxBits, nCodeBits, nSignBits, val; + unsigned int bitBuf; + + maxBits = huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET].maxBits + 2; + while (nVals > 0) { + /* decode pair */ + bitBuf = GetBitsNoAdvance(bsi, maxBits) << (32 - maxBits); + nCodeBits = DecodeHuffmanScalar(huffTabSpec, &huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET], bitBuf, &val); + + y = GET_PAIR_Y(val); + z = GET_PAIR_Z(val); + + bitBuf <<= nCodeBits; + nSignBits = GET_PAIR_SIGNBITS(val); + AdvanceBitstream(bsi, nCodeBits + nSignBits); + if (nSignBits) { + if (y) { + APPLY_SIGN(y, bitBuf); + bitBuf <<= 1; + } + if (z) { + APPLY_SIGN(z, bitBuf); + bitBuf <<= 1; + } + } + *coef++ = y; + *coef++ = z; + nVals -= 2; + } +} + +/************************************************************************************** + * Function: UnpackPairsEsc + * + * Description: decode a section of 2-way vector Huffman coded coefficients, + * using esc table (11) + * + * Inputs BitStreamInfo struct pointing to start of codewords for this section + * index of Huffman codebook (must be the escape codebook) + * number of coefficients + * + * Outputs: nVals coefficients, starting at coef + * + * Return: none + * + * Notes: assumes nVals is always a multiple of 2 because all scalefactor bands + * are a multiple of 4 coefficients long + **************************************************************************************/ +static void UnpackPairsEsc(BitStreamInfo *bsi, int cb, int nVals, int *coef) +{ + int y, z, maxBits, nCodeBits, nSignBits, n, val; + unsigned int bitBuf; + + maxBits = huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET].maxBits + 2; + while (nVals > 0) { + /* decode pair with escape value */ + bitBuf = GetBitsNoAdvance(bsi, maxBits) << (32 - maxBits); + nCodeBits = DecodeHuffmanScalar(huffTabSpec, &huffTabSpecInfo[cb - HUFFTAB_SPEC_OFFSET], bitBuf, &val); + + y = GET_ESC_Y(val); + z = GET_ESC_Z(val); + + bitBuf <<= nCodeBits; + nSignBits = GET_ESC_SIGNBITS(val); + AdvanceBitstream(bsi, nCodeBits + nSignBits); + + if (y == 16) { + n = 4; + while (GetBits(bsi, 1) == 1) { + n++; + } + y = (1 << n) + GetBits(bsi, n); + } + if (z == 16) { + n = 4; + while (GetBits(bsi, 1) == 1) { + n++; + } + z = (1 << n) + GetBits(bsi, n); + } + + if (nSignBits) { + if (y) { + APPLY_SIGN(y, bitBuf); + bitBuf <<= 1; + } + if (z) { + APPLY_SIGN(z, bitBuf); + bitBuf <<= 1; + } + } + + *coef++ = y; + *coef++ = z; + nVals -= 2; + } +} + +/************************************************************************************** + * Function: DecodeSpectrumLong + * + * Description: decode transform coefficients for frame with one long block + * + * Inputs: platform specific info struct + * BitStreamInfo struct pointing to start of spectral data + * (14496-3, table 4.4.29) + * index of current channel + * + * Outputs: decoded, quantized coefficients for this channel + * + * Return: none + * + * Notes: adds in pulse data if present + * fills coefficient buffer with zeros in any region not coded with + * codebook in range [1, 11] (including sfb's above sfbMax) + **************************************************************************************/ +int DecodeSpectrumLong(PSInfoBase *psi, BitStreamInfo *bsi, int ch) +{ + int i, sfb, cb, nVals, offset; + const short *sfbTab; + unsigned char *sfbCodeBook; + int *coef; + ICSInfo *icsInfo; + PulseInfo *pi; + + coef = psi->coef[ch]; + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + /* decode long block */ + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + sfbCodeBook = psi->sfbCodeBook[ch]; + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + cb = *sfbCodeBook++; + nVals = sfbTab[sfb + 1] - sfbTab[sfb]; + + if (cb == 0) { + UnpackZeros(nVals, coef); + } else if (cb <= 4) { + UnpackQuads(bsi, cb, nVals, coef); + } else if (cb <= 10) { + UnpackPairsNoEsc(bsi, cb, nVals, coef); + } else if (cb == 11) { + UnpackPairsEsc(bsi, cb, nVals, coef); + } else { + UnpackZeros(nVals, coef); + } + + coef += nVals; + } + + /* fill with zeros above maxSFB */ + nVals = NSAMPS_LONG - sfbTab[sfb]; + UnpackZeros(nVals, coef); + + /* add pulse data, if present */ + pi = &psi->pulseInfo[ch]; + if (pi->pulseDataPresent) { + coef = psi->coef[ch]; + offset = sfbTab[pi->startSFB]; + for (i = 0; i < pi->numPulse; i++) { + offset += pi->offset[i]; + if (coef[offset] > 0) { + coef[offset] += pi->amp[i]; + } else { + coef[offset] -= pi->amp[i]; + } + } + ASSERT(offset < NSAMPS_LONG, ERR_AAC_HUFFMAN_DECODING); + } + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: DecodeSpectrumShort + * + * Description: decode transform coefficients for frame with eight short blocks + * + * Inputs: platform specific info struct + * BitStreamInfo struct pointing to start of spectral data + * (14496-3, table 4.4.29) + * index of current channel + * + * Outputs: decoded, quantized coefficients for this channel + * + * Return: none + * + * Notes: fills coefficient buffer with zeros in any region not coded with + * codebook in range [1, 11] (including sfb's above sfbMax) + * deinterleaves window groups into 8 windows + **************************************************************************************/ +int DecodeSpectrumShort(PSInfoBase *psi, BitStreamInfo *bsi, int ch) +{ + int gp, cb, nVals = 0, win, offset, sfb; + const short *sfbTab; + unsigned char *sfbCodeBook; + int *coef; + ICSInfo *icsInfo; + coef = psi->coef[ch]; + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + /* decode short blocks, deinterleaving in-place */ + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + sfbCodeBook = psi->sfbCodeBook[ch]; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + nVals = sfbTab[sfb + 1] - sfbTab[sfb]; + cb = *sfbCodeBook++; + + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + offset = win * NSAMPS_SHORT; + if (cb == 0) { + UnpackZeros(nVals, coef + offset); + } else if (cb <= 4) { + UnpackQuads(bsi, cb, nVals, coef + offset); + } else if (cb <= 10) { + UnpackPairsNoEsc(bsi, cb, nVals, coef + offset); + } else if (cb == 11) { + UnpackPairsEsc(bsi, cb, nVals, coef + offset); + } else { + UnpackZeros(nVals, coef + offset); + } + } + coef += nVals; + } + + /* fill with zeros above maxSFB */ + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + offset = win * NSAMPS_SHORT; + nVals = NSAMPS_SHORT - sfbTab[sfb]; + UnpackZeros(nVals, coef + offset); + } + coef += nVals; + coef += (icsInfo->winGroupLen[gp] - 1) * NSAMPS_SHORT; + } + + ASSERT(coef == psi->coef[ch] + NSAMPS_LONG, ERR_AAC_COFF_EXCEED_RANGE); + return ERR_AAC_NONE; +} diff --git a/audio_codec/wfd_aac_decoder/hufftabs.c b/audio_codec/wfd_aac_decoder/hufftabs.c new file mode 100644 index 0000000..e153a61 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/hufftabs.c @@ -0,0 +1,177 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: hufftabs.c,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * hufftabs.c - Huffman symbol tables + **************************************************************************************/ + +#include "coder.h" + +const HuffInfo huffTabSpecInfo[11] = { + /* table 0 not used */ + {11, { 1, 0, 0, 0, 8, 0, 24, 0, 24, 8, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, + { 9, { 0, 0, 1, 1, 7, 24, 15, 19, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 81}, + {16, { 1, 0, 0, 4, 2, 6, 3, 5, 15, 15, 8, 9, 3, 3, 5, 2, 0, 0, 0, 0}, 162}, + {12, { 0, 0, 0, 10, 6, 0, 9, 21, 8, 14, 11, 2, 0, 0, 0, 0, 0, 0, 0, 0}, 243}, + {13, { 1, 0, 0, 4, 4, 0, 4, 12, 12, 12, 18, 10, 4, 0, 0, 0, 0, 0, 0, 0}, 324}, + {11, { 0, 0, 0, 9, 0, 16, 13, 8, 23, 8, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 405}, + {12, { 1, 0, 2, 1, 0, 4, 5, 10, 14, 15, 8, 4, 0, 0, 0, 0, 0, 0, 0, 0}, 486}, + {10, { 0, 0, 1, 5, 7, 10, 14, 15, 8, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 550}, + {15, { 1, 0, 2, 1, 0, 4, 3, 8, 11, 20, 31, 38, 32, 14, 4, 0, 0, 0, 0, 0}, 614}, + {12, { 0, 0, 0, 3, 8, 14, 17, 25, 31, 41, 22, 8, 0, 0, 0, 0, 0, 0, 0, 0}, 783}, + {12, { 0, 0, 0, 2, 6, 7, 16, 59, 55, 95, 43, 6, 0, 0, 0, 0, 0, 0, 0, 0}, 952}, +}; + +const signed short huffTabSpec[1241] = { + /* spectrum table 1 [81] (signed) */ + 0x0000, 0x0200, 0x0e00, 0x0007, 0x0040, 0x0001, 0x0038, 0x0008, 0x01c0, 0x03c0, 0x0e40, 0x0039, 0x0078, 0x01c8, 0x000f, 0x0240, + 0x003f, 0x0fc0, 0x01f8, 0x0238, 0x0047, 0x0e08, 0x0009, 0x0208, 0x01c1, 0x0048, 0x0041, 0x0e38, 0x0201, 0x0e07, 0x0207, 0x0e01, + 0x01c7, 0x0278, 0x0e78, 0x03c8, 0x004f, 0x0079, 0x01c9, 0x01cf, 0x03f8, 0x0239, 0x007f, 0x0e48, 0x0e0f, 0x0fc8, 0x01f9, 0x03c1, + 0x03c7, 0x0e47, 0x0ff8, 0x01ff, 0x0049, 0x020f, 0x0241, 0x0e41, 0x0248, 0x0fc1, 0x0e3f, 0x0247, 0x023f, 0x0e39, 0x0fc7, 0x0e09, + 0x0209, 0x03cf, 0x0e79, 0x0e4f, 0x03f9, 0x0249, 0x0fc9, 0x027f, 0x0fcf, 0x0fff, 0x0279, 0x03c9, 0x0e49, 0x0e7f, 0x0ff9, 0x03ff, + 0x024f, + /* spectrum table 2 [81] (signed) */ + 0x0000, 0x0200, 0x0e00, 0x0001, 0x0038, 0x0007, 0x01c0, 0x0008, 0x0040, 0x01c8, 0x0e40, 0x0078, 0x000f, 0x0047, 0x0039, 0x0e07, + 0x03c0, 0x0238, 0x0fc0, 0x003f, 0x0208, 0x0201, 0x01c1, 0x0e08, 0x0041, 0x01f8, 0x0e01, 0x01c7, 0x0e38, 0x0240, 0x0048, 0x0009, + 0x0207, 0x0079, 0x0239, 0x0e78, 0x01cf, 0x03c8, 0x0247, 0x0209, 0x0e48, 0x01f9, 0x0248, 0x0e0f, 0x0ff8, 0x0e39, 0x03f8, 0x0278, + 0x03c1, 0x0e47, 0x0fc8, 0x0e09, 0x0fc1, 0x0fc7, 0x01ff, 0x020f, 0x023f, 0x007f, 0x0049, 0x0e41, 0x0e3f, 0x004f, 0x03c7, 0x01c9, + 0x0241, 0x03cf, 0x0e79, 0x03f9, 0x0fff, 0x0e4f, 0x0e49, 0x0249, 0x0fcf, 0x03c9, 0x0e7f, 0x0fc9, 0x027f, 0x03ff, 0x0ff9, 0x0279, + 0x024f, + /* spectrum table 3 [81] (unsigned) */ + 0x0000, 0x1200, 0x1001, 0x1040, 0x1008, 0x2240, 0x2009, 0x2048, 0x2041, 0x2208, 0x3049, 0x2201, 0x3248, 0x4249, 0x3209, 0x3241, + 0x1400, 0x1002, 0x200a, 0x2440, 0x3288, 0x2011, 0x3051, 0x2280, 0x304a, 0x3448, 0x1010, 0x2088, 0x2050, 0x1080, 0x2042, 0x2408, + 0x4289, 0x3089, 0x3250, 0x4251, 0x3281, 0x2210, 0x3211, 0x2081, 0x4449, 0x424a, 0x3441, 0x320a, 0x2012, 0x3052, 0x3488, 0x3290, + 0x2202, 0x2401, 0x3091, 0x2480, 0x4291, 0x3242, 0x3409, 0x4252, 0x4489, 0x2090, 0x308a, 0x3212, 0x3481, 0x3450, 0x3490, 0x3092, + 0x4491, 0x4451, 0x428a, 0x4292, 0x2082, 0x2410, 0x3282, 0x3411, 0x444a, 0x3442, 0x4492, 0x448a, 0x4452, 0x340a, 0x2402, 0x3482, + 0x3412, + /* spectrum table 4 [81] (unsigned) */ + 0x4249, 0x3049, 0x3241, 0x3248, 0x3209, 0x1200, 0x2240, 0x0000, 0x2009, 0x2208, 0x2201, 0x2048, 0x1001, 0x2041, 0x1008, 0x1040, + 0x4449, 0x4251, 0x4289, 0x424a, 0x3448, 0x3441, 0x3288, 0x3409, 0x3051, 0x304a, 0x3250, 0x3089, 0x320a, 0x3281, 0x3242, 0x3211, + 0x2440, 0x2408, 0x2280, 0x2401, 0x2042, 0x2088, 0x200a, 0x2050, 0x2081, 0x2202, 0x2011, 0x2210, 0x1400, 0x1002, 0x1080, 0x1010, + 0x4291, 0x4489, 0x4451, 0x4252, 0x428a, 0x444a, 0x3290, 0x3488, 0x3450, 0x3091, 0x3052, 0x3481, 0x308a, 0x3411, 0x3212, 0x4491, + 0x3282, 0x340a, 0x3442, 0x4292, 0x4452, 0x448a, 0x2090, 0x2480, 0x2012, 0x2410, 0x2082, 0x2402, 0x4492, 0x3092, 0x3490, 0x3482, + 0x3412, + /* spectrum table 5 [81] (signed) */ + 0x0000, 0x03e0, 0x0020, 0x0001, 0x001f, 0x003f, 0x03e1, 0x03ff, 0x0021, 0x03c0, 0x0002, 0x0040, 0x001e, 0x03df, 0x0041, 0x03fe, + 0x0022, 0x03c1, 0x005f, 0x03e2, 0x003e, 0x03a0, 0x0060, 0x001d, 0x0003, 0x03bf, 0x0023, 0x0061, 0x03fd, 0x03a1, 0x007f, 0x003d, + 0x03e3, 0x03c2, 0x0042, 0x03de, 0x005e, 0x03be, 0x007e, 0x03c3, 0x005d, 0x0062, 0x0043, 0x03a2, 0x03dd, 0x001c, 0x0380, 0x0081, + 0x0080, 0x039f, 0x0004, 0x009f, 0x03fc, 0x0024, 0x03e4, 0x0381, 0x003c, 0x007d, 0x03bd, 0x03a3, 0x03c4, 0x039e, 0x0082, 0x005c, + 0x0044, 0x0063, 0x0382, 0x03dc, 0x009e, 0x007c, 0x039d, 0x0383, 0x0064, 0x03a4, 0x0083, 0x009d, 0x03bc, 0x009c, 0x0384, 0x0084, + 0x039c, + /* spectrum table 6 [81] (signed) */ + 0x0000, 0x0020, 0x001f, 0x0001, 0x03e0, 0x0021, 0x03e1, 0x003f, 0x03ff, 0x005f, 0x0041, 0x03c1, 0x03df, 0x03c0, 0x03e2, 0x0040, + 0x003e, 0x0022, 0x001e, 0x03fe, 0x0002, 0x005e, 0x03c2, 0x03de, 0x0042, 0x03a1, 0x0061, 0x007f, 0x03e3, 0x03bf, 0x0023, 0x003d, + 0x03fd, 0x0060, 0x03a0, 0x001d, 0x0003, 0x0062, 0x03be, 0x03c3, 0x0043, 0x007e, 0x005d, 0x03dd, 0x03a2, 0x0063, 0x007d, 0x03bd, + 0x03a3, 0x003c, 0x03fc, 0x0081, 0x0381, 0x039f, 0x0024, 0x009f, 0x03e4, 0x001c, 0x0382, 0x039e, 0x0044, 0x03dc, 0x0380, 0x0082, + 0x009e, 0x03c4, 0x0080, 0x005c, 0x0004, 0x03bc, 0x03a4, 0x007c, 0x009d, 0x0064, 0x0083, 0x0383, 0x039d, 0x0084, 0x0384, 0x039c, + 0x009c, + /* spectrum table 7 [64] (unsigned) */ + 0x0000, 0x0420, 0x0401, 0x0821, 0x0841, 0x0822, 0x0440, 0x0402, 0x0861, 0x0823, 0x0842, 0x0460, 0x0403, 0x0843, 0x0862, 0x0824, + 0x0881, 0x0825, 0x08a1, 0x0863, 0x0844, 0x0404, 0x0480, 0x0882, 0x0845, 0x08a2, 0x0405, 0x08c1, 0x04a0, 0x0826, 0x0883, 0x0865, + 0x0864, 0x08a3, 0x0846, 0x08c2, 0x0827, 0x0866, 0x0406, 0x04c0, 0x0884, 0x08e1, 0x0885, 0x08e2, 0x08a4, 0x08c3, 0x0847, 0x08e3, + 0x08c4, 0x08a5, 0x0886, 0x0867, 0x04e0, 0x0407, 0x08c5, 0x08a6, 0x08e4, 0x0887, 0x08a7, 0x08e5, 0x08e6, 0x08c6, 0x08c7, 0x08e7, + /* spectrum table 8 [64] (unsigned) */ + 0x0821, 0x0841, 0x0420, 0x0822, 0x0401, 0x0842, 0x0000, 0x0440, 0x0402, 0x0861, 0x0823, 0x0862, 0x0843, 0x0863, 0x0881, 0x0824, + 0x0882, 0x0844, 0x0460, 0x0403, 0x0883, 0x0864, 0x08a2, 0x08a1, 0x0845, 0x0825, 0x08a3, 0x0865, 0x0884, 0x08a4, 0x0404, 0x0885, + 0x0480, 0x0846, 0x08c2, 0x08c1, 0x0826, 0x0866, 0x08c3, 0x08a5, 0x04a0, 0x08c4, 0x0405, 0x0886, 0x08e1, 0x08e2, 0x0847, 0x08c5, + 0x08e3, 0x0827, 0x08a6, 0x0867, 0x08c6, 0x08e4, 0x04c0, 0x0887, 0x0406, 0x08e5, 0x08e6, 0x08c7, 0x08a7, 0x04e0, 0x0407, 0x08e7, + /* spectrum table 9 [169] (unsigned) */ + 0x0000, 0x0420, 0x0401, 0x0821, 0x0841, 0x0822, 0x0440, 0x0402, 0x0861, 0x0842, 0x0823, 0x0460, 0x0403, 0x0843, 0x0862, 0x0824, + 0x0881, 0x0844, 0x0825, 0x0882, 0x0863, 0x0404, 0x0480, 0x08a1, 0x0845, 0x0826, 0x0864, 0x08a2, 0x08c1, 0x0883, 0x0405, 0x0846, + 0x04a0, 0x0827, 0x0865, 0x0828, 0x0901, 0x0884, 0x08a3, 0x08c2, 0x08e1, 0x0406, 0x0902, 0x0848, 0x0866, 0x0847, 0x0885, 0x0921, + 0x0829, 0x08e2, 0x04c0, 0x08a4, 0x08c3, 0x0903, 0x0407, 0x0922, 0x0868, 0x0886, 0x0867, 0x0408, 0x0941, 0x08c4, 0x0849, 0x08a5, + 0x0500, 0x04e0, 0x08e3, 0x0942, 0x0923, 0x0904, 0x082a, 0x08e4, 0x08c5, 0x08a6, 0x0888, 0x0887, 0x0869, 0x0961, 0x08a8, 0x0520, + 0x0905, 0x0943, 0x084a, 0x0409, 0x0962, 0x0924, 0x08c6, 0x0981, 0x0889, 0x0906, 0x082b, 0x0925, 0x0944, 0x08a7, 0x08e5, 0x084b, + 0x082c, 0x0982, 0x0963, 0x086a, 0x08a9, 0x08c7, 0x0907, 0x0964, 0x040a, 0x08e6, 0x0983, 0x0540, 0x0945, 0x088a, 0x08c8, 0x084c, + 0x0926, 0x0927, 0x088b, 0x0560, 0x08c9, 0x086b, 0x08aa, 0x0908, 0x08e8, 0x0985, 0x086c, 0x0965, 0x08e7, 0x0984, 0x0966, 0x0946, + 0x088c, 0x08e9, 0x08ab, 0x040b, 0x0986, 0x08ca, 0x0580, 0x0947, 0x08ac, 0x08ea, 0x0928, 0x040c, 0x0967, 0x0909, 0x0929, 0x0948, + 0x08eb, 0x0987, 0x08cb, 0x090b, 0x0968, 0x08ec, 0x08cc, 0x090a, 0x0949, 0x090c, 0x092a, 0x092b, 0x092c, 0x094b, 0x0989, 0x094a, + 0x0969, 0x0988, 0x096a, 0x098a, 0x098b, 0x094c, 0x096b, 0x096c, 0x098c, + /* spectrum table 10 [169] (unsigned) */ + 0x0821, 0x0822, 0x0841, 0x0842, 0x0420, 0x0401, 0x0823, 0x0862, 0x0861, 0x0843, 0x0863, 0x0440, 0x0402, 0x0844, 0x0882, 0x0824, + 0x0881, 0x0000, 0x0883, 0x0864, 0x0460, 0x0403, 0x0884, 0x0845, 0x08a2, 0x0825, 0x08a1, 0x08a3, 0x0865, 0x08a4, 0x0885, 0x08c2, + 0x0846, 0x08c3, 0x0480, 0x08c1, 0x0404, 0x0826, 0x0866, 0x08a5, 0x08c4, 0x0886, 0x08c5, 0x08e2, 0x0867, 0x0847, 0x08a6, 0x0902, + 0x08e3, 0x04a0, 0x08e1, 0x0405, 0x0901, 0x0827, 0x0903, 0x08e4, 0x0887, 0x0848, 0x08c6, 0x08e5, 0x0828, 0x0868, 0x0904, 0x0888, + 0x08a7, 0x0905, 0x08a8, 0x08e6, 0x08c7, 0x0922, 0x04c0, 0x08c8, 0x0923, 0x0869, 0x0921, 0x0849, 0x0406, 0x0906, 0x0924, 0x0889, + 0x0942, 0x0829, 0x08e7, 0x0907, 0x0925, 0x08e8, 0x0943, 0x08a9, 0x0944, 0x084a, 0x0941, 0x086a, 0x0926, 0x08c9, 0x0500, 0x088a, + 0x04e0, 0x0962, 0x08e9, 0x0963, 0x0946, 0x082a, 0x0961, 0x0927, 0x0407, 0x0908, 0x0945, 0x086b, 0x08aa, 0x0909, 0x0965, 0x0408, + 0x0964, 0x084b, 0x08ea, 0x08ca, 0x0947, 0x088b, 0x082b, 0x0982, 0x0928, 0x0983, 0x0966, 0x08ab, 0x0984, 0x0967, 0x0985, 0x086c, + 0x08cb, 0x0520, 0x0948, 0x0540, 0x0981, 0x0409, 0x088c, 0x0929, 0x0986, 0x084c, 0x090a, 0x092a, 0x082c, 0x0968, 0x0987, 0x08eb, + 0x08ac, 0x08cc, 0x0949, 0x090b, 0x0988, 0x040a, 0x08ec, 0x0560, 0x094a, 0x0969, 0x096a, 0x040b, 0x096b, 0x092b, 0x094b, 0x0580, + 0x090c, 0x0989, 0x094c, 0x092c, 0x096c, 0x098b, 0x040c, 0x098a, 0x098c, + /* spectrum table 11 [289] (unsigned) */ + 0x0000, 0x2041, 0x2410, 0x1040, 0x1001, 0x2081, 0x2042, 0x2082, 0x2043, 0x20c1, 0x20c2, 0x1080, 0x2083, 0x1002, 0x20c3, 0x2101, + 0x2044, 0x2102, 0x2084, 0x2103, 0x20c4, 0x10c0, 0x1003, 0x2141, 0x2142, 0x2085, 0x2104, 0x2045, 0x2143, 0x20c5, 0x2144, 0x2105, + 0x2182, 0x2086, 0x2181, 0x2183, 0x20c6, 0x2046, 0x2110, 0x20d0, 0x2405, 0x2403, 0x2404, 0x2184, 0x2406, 0x1100, 0x2106, 0x1004, + 0x2090, 0x2145, 0x2150, 0x2407, 0x2402, 0x2408, 0x2087, 0x21c2, 0x20c7, 0x2185, 0x2146, 0x2190, 0x240a, 0x21c3, 0x21c1, 0x2409, + 0x21d0, 0x2050, 0x2047, 0x2107, 0x240b, 0x21c4, 0x240c, 0x2210, 0x2401, 0x2186, 0x2250, 0x2088, 0x2147, 0x2290, 0x240d, 0x2203, + 0x2202, 0x20c8, 0x1140, 0x240e, 0x22d0, 0x21c5, 0x2108, 0x2187, 0x21c6, 0x1005, 0x2204, 0x240f, 0x2310, 0x2048, 0x2201, 0x2390, + 0x2148, 0x2350, 0x20c9, 0x2205, 0x21c7, 0x2089, 0x2206, 0x2242, 0x2243, 0x23d0, 0x2109, 0x2188, 0x1180, 0x2244, 0x2149, 0x2207, + 0x21c8, 0x2049, 0x2283, 0x1006, 0x2282, 0x2241, 0x2245, 0x210a, 0x208a, 0x2246, 0x20ca, 0x2189, 0x2284, 0x2208, 0x2285, 0x2247, + 0x22c3, 0x204a, 0x11c0, 0x2286, 0x21c9, 0x20cb, 0x214a, 0x2281, 0x210b, 0x22c2, 0x2342, 0x218a, 0x2343, 0x208b, 0x1400, 0x214b, + 0x22c5, 0x22c4, 0x2248, 0x21ca, 0x2209, 0x1010, 0x210d, 0x1007, 0x20cd, 0x22c6, 0x2341, 0x2344, 0x2303, 0x208d, 0x2345, 0x220a, + 0x218b, 0x2288, 0x2287, 0x2382, 0x2304, 0x204b, 0x210c, 0x22c1, 0x20cc, 0x204d, 0x2302, 0x21cb, 0x20ce, 0x214c, 0x214d, 0x2384, + 0x210e, 0x22c7, 0x2383, 0x2305, 0x2346, 0x2306, 0x1200, 0x22c8, 0x208c, 0x2249, 0x2385, 0x218d, 0x228a, 0x23c2, 0x220b, 0x224a, + 0x2386, 0x2289, 0x214e, 0x22c9, 0x2381, 0x208e, 0x218c, 0x204c, 0x2348, 0x1008, 0x2347, 0x21cc, 0x2307, 0x21cd, 0x23c3, 0x2301, + 0x218e, 0x208f, 0x23c5, 0x23c4, 0x204e, 0x224b, 0x210f, 0x2387, 0x220d, 0x2349, 0x220c, 0x214f, 0x20cf, 0x228b, 0x22ca, 0x2308, + 0x23c6, 0x23c7, 0x220e, 0x23c1, 0x21ce, 0x1240, 0x1009, 0x224d, 0x224c, 0x2309, 0x2388, 0x228d, 0x2389, 0x230a, 0x218f, 0x21cf, + 0x224e, 0x23c8, 0x22cb, 0x22ce, 0x204f, 0x228c, 0x228e, 0x234b, 0x234a, 0x22cd, 0x22cc, 0x220f, 0x238b, 0x234c, 0x230d, 0x23c9, + 0x238a, 0x1280, 0x230b, 0x224f, 0x100a, 0x230c, 0x12c0, 0x230e, 0x228f, 0x234d, 0x100d, 0x238c, 0x23ca, 0x23cb, 0x22cf, 0x238d, + 0x1340, 0x100b, 0x234e, 0x23cc, 0x23cd, 0x230f, 0x1380, 0x238e, 0x234f, 0x1300, 0x238f, 0x100e, 0x100c, 0x23ce, 0x13c0, 0x100f, + 0x23cf, +}; + +const HuffInfo huffTabScaleFactInfo = +{19, { 1, 0, 1, 3, 2, 4, 3, 5, 4, 6, 6, 6, 5, 8, 4, 7, 3, 7, 46, 0}, 0}; + +/* note - includes offset of -60 (4.6.2.3 in spec) */ +const signed short huffTabScaleFact[121] = { + /* scale factor table [121] */ + 0, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, 6, -6, 7, -7, 8, + -8, 9, -9, 10, -10, -11, 11, 12, -12, 13, -13, 14, -14, 16, 15, 17, + 18, -15, -17, -16, 19, -18, -19, 20, -20, 21, -21, 22, -22, 23, -23, -25, + 25, -27, -24, -26, 24, -28, 27, 29, -30, -29, 26, -31, -34, -33, -32, -36, + 28, -35, -38, -37, 30, -39, -41, -57, -59, -58, -60, 38, 39, 40, 41, 42, + 57, 37, 31, 32, 33, 34, 35, 36, 44, 51, 52, 53, 54, 55, 56, 50, + 45, 46, 47, 48, 49, 58, -54, -52, -51, -50, -55, 43, 60, 59, -56, -53, + -45, -44, -42, -40, -43, -49, -48, -46, -47, +}; + diff --git a/audio_codec/wfd_aac_decoder/imdct.c b/audio_codec/wfd_aac_decoder/imdct.c new file mode 100644 index 0000000..1a20f28 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/imdct.c @@ -0,0 +1,596 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: imdct.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * imdct.c - inverse MDCT + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" +#include "aacdec.h" + +#define RND_VAL (1 << (FBITS_OUT_IMDCT-1)) + +#ifndef AAC_ENABLE_SBR + +/************************************************************************************** + * Function: DecWindowOverlap + * + * Description: apply synthesis window, do overlap-add, clip to 16-bit PCM, + * for winSequence LONG-LONG + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * number of channels + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 16-bit PCM, interleaved by nChans + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + * this should fit in registers on ARM + * + * TODO: ARM5E version with saturating overlap/add (QADD) + * asm code with free pointer updates, better load scheduling + **************************************************************************************/ +static void DecWindowOverlap(int *buf0, int *over0, short *pcm0, int nChans, int winTypeCurr, int winTypePrev) +{ + int in, w0, w1, f0, f1; + int *buf1, *over1; + short *pcm1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + pcm1 = pcm0 + (1024 - 1) * nChans; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + if (winTypeCurr == winTypePrev) { + /* cut window loads in half since current and overlap sections use same symmetric window */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } else { + /* different windows for current and overlap parts - should still fit in registers on ARM w/o stack spill */ + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } +} + +/************************************************************************************** + * Function: DecWindowOverlapLongStart + * + * Description: apply synthesis window, do overlap-add, clip to 16-bit PCM, + * for winSequence LONG-START + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * number of channels + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 16-bit PCM, interleaved by nChans + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + * this should fit in registers on ARM + * + * TODO: ARM5E version with saturating overlap/add (QADD) + * asm code with free pointer updates, better load scheduling + **************************************************************************************/ +static void DecWindowOverlapLongStart(int *buf0, int *over0, short *pcm0, int nChans, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1; + short *pcm1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + pcm1 = pcm0 + (1024 - 1) * nChans; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + i = 448; /* 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + in = *buf1--; + + *over1-- = 0; /* Wn = 0 for n = (2047, 2046, ... 1600) */ + *over0++ = in >> 1; /* Wn = 1 for n = (1024, 1025, ... 1471) */ + } while (--i); + + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + + /* do 64 more loops - 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; /* W[0], W[1], ... --> W[255], W[254], ... */ + w1 = *wndCurr++; /* W[127], W[126], ... --> W[128], W[129], ... */ + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); /* Wn = short window for n = (1599, 1598, ... , 1536) */ + *over0++ = MULSHIFT32(w1, in); /* Wn = short window for n = (1472, 1473, ... , 1535) */ + } while (over0 < over1); +} + +/************************************************************************************** + * Function: DecWindowOverlapLongStop + * + * Description: apply synthesis window, do overlap-add, clip to 16-bit PCM, + * for winSequence LONG-STOP + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * number of channels + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 16-bit PCM, interleaved by nChans + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + * this should fit in registers on ARM + * + * TODO: ARM5E version with saturating overlap/add (QADD) + * asm code with free pointer updates, better load scheduling + **************************************************************************************/ +static void DecWindowOverlapLongStop(int *buf0, int *over0, short *pcm0, int nChans, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1; + short *pcm1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + pcm1 = pcm0 + (1024 - 1) * nChans; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + + i = 448; /* 2 outputs, 2 overlaps per loop */ + do { + /* Wn = 0 for n = (0, 1, ... 447) */ + /* Wn = 1 for n = (576, 577, ... 1023) */ + in = *buf0++; + f1 = in >> 1; /* scale since skipping multiply by Q31 */ + + in = *over0; + *pcm0 = CLIPTOSHORT((in + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (--i); + + /* do 64 more loops - 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; /* W[0], W[1], ...W[63] */ + w1 = *wndPrev++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); +} + +/************************************************************************************** + * Function: DecWindowOverlapShort + * + * Description: apply synthesis window, do overlap-add, clip to 16-bit PCM, + * for winSequence EIGHT-SHORT (does all 8 short blocks) + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * number of channels + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 16-bit PCM, interleaved by nChans + * + * Return: none + * + * Notes: this processes one channel at a time, but skips every other sample in + * the output buffer (pcm) for stereo interleaving + * this should fit in registers on ARM + * + * TODO: ARM5E version with saturating overlap/add (QADD) + * asm code with free pointer updates, better load scheduling + **************************************************************************************/ +static void DecWindowOverlapShort(int *buf0, int *over0, short *pcm0, int nChans, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1; + short *pcm1; + const int *wndPrev, *wndCurr; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + + /* pcm[0-447] = 0 + overlap[0-447] */ + i = 448; + do { + f0 = *over0++; + f1 = *over0++; + *pcm0 = CLIPTOSHORT((f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + *pcm0 = CLIPTOSHORT((f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + i -= 2; + } while (i); + + /* pcm[448-575] = Wp[0-127] * block0[0-127] + overlap[448-575] */ + pcm1 = pcm0 + (128 - 1) * nChans; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + do { + w0 = *wndPrev++; /* W[0], W[1], ...W[63] */ + w1 = *wndPrev++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *over1; + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + /* save over0/over1 for next short block, in the slots just vacated */ + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + + /* pcm[576-703] = Wc[128-255] * block0[128-255] + Wc[0-127] * block1[0-127] + overlap[576-703] + * pcm[704-831] = Wc[128-255] * block1[128-255] + Wc[0-127] * block2[0-127] + overlap[704-831] + * pcm[832-959] = Wc[128-255] * block2[128-255] + Wc[0-127] * block3[0-127] + overlap[832-959] + */ + for (i = 0; i < 3; i++) { + pcm0 += 64 * nChans; + pcm1 = pcm0 + (128 - 1) * nChans; + over0 += 64; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *(over0 - 128); /* from last short block */ + in += *(over0 + 0); /* from last full frame */ + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *(over1 - 128); /* from last short block */ + in += *(over1 + 0); /* from last full frame */ + *pcm1 = CLIPTOSHORT((in + f1 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm1 -= nChans; + + /* save over0/over1 for next short block, in the slots just vacated */ + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } + + /* pcm[960-1023] = Wc[128-191] * block3[128-191] + Wc[0-63] * block4[0-63] + overlap[960-1023] + * over[0-63] = Wc[192-255] * block3[192-255] + Wc[64-127] * block4[64-127] + */ + pcm0 += 64 * nChans; + over0 -= 832; /* points at overlap[64] */ + over1 = over0 + 128 - 1; /* points at overlap[191] */ + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *(over0 + 768); /* from last short block */ + in += *(over0 + 896); /* from last full frame */ + *pcm0 = CLIPTOSHORT((in - f0 + RND_VAL) >> FBITS_OUT_IMDCT); + pcm0 += nChans; + + in = *(over1 + 768); /* from last short block */ + *(over1 - 128) = in + f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); /* save in overlap[128-191] */ + *over0++ = MULSHIFT32(w1, in); /* save in overlap[64-127] */ + } while (over0 < over1); + + /* over0 now points at overlap[128] */ + + /* over[64-191] = Wc[128-255] * block4[128-255] + Wc[0-127] * block5[0-127] + * over[192-319] = Wc[128-255] * block5[128-255] + Wc[0-127] * block6[0-127] + * over[320-447] = Wc[128-255] * block6[128-255] + Wc[0-127] * block7[0-127] + * over[448-576] = Wc[128-255] * block7[128-255] + */ + for (i = 0; i < 3; i++) { + over0 += 64; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + /* from last short block */ + *(over0 - 128) -= f0; + *(over1 - 128) += f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } + + /* over[576-1024] = 0 */ + i = 448; + over0 += 64; + do { + *over0++ = 0; + *over0++ = 0; + *over0++ = 0; + *over0++ = 0; + i -= 4; + } while (i); +} + +#endif /* !AAC_ENABLE_SBR */ + +/************************************************************************************** + * Function: IMDCT + * + * Description: inverse transform and convert to 16-bit PCM + * + * Inputs: valid AACDecInfo struct + * index of current channel (0 for SCE/LFE, 0 or 1 for CPE) + * output channel (range = [0, nChans-1]) + * + * Outputs: complete frame of decoded PCM, after inverse transform + * + * Return: 0 if successful, -1 if error + * + * Notes: If AAC_ENABLE_SBR is defined at compile time then window + overlap + * does NOT clip to 16-bit PCM and does NOT interleave channels + * If AAC_ENABLE_SBR is NOT defined at compile time, then window + overlap + * does clip to 16-bit PCM and interleaves channels + * If SBR is enabled at compile time, but we don't know whether it is + * actually used for this frame (e.g. the first frame of a stream), + * we need to produce both clipped 16-bit PCM in outbuf AND + * unclipped 32-bit PCM in the SBR input buffer. In this case we make + * a separate pass over the 32-bit PCM to produce 16-bit PCM output. + * This inflicts a slight performance hit when decoding non-SBR files. + **************************************************************************************/ +int IMDCT(AACDecInfo *aacDecInfo, int ch, int chOut, short *outbuf) +{ + int i; + PSInfoBase *psi; + ICSInfo *icsInfo; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + outbuf += chOut; + + /* optimized type-IV DCT (operates inplace) */ + if (icsInfo->winSequence == 2) { + /* 8 short blocks */ + for (i = 0; i < 8; i++) { + DCT4(0, psi->coef[ch] + i * 128, psi->gbCurrent[ch]); + } + } else { + /* 1 long block */ + DCT4(1, psi->coef[ch], psi->gbCurrent[ch]); + } + +#ifdef AAC_ENABLE_SBR + /* window, overlap-add, don't clip to short (send to SBR decoder) + * store the decoded 32-bit samples in top half (second AAC_MAX_NSAMPS samples) of coef buffer + */ + if (icsInfo->winSequence == 0) { + DecWindowOverlapNoClip(psi->coef[ch], psi->overlap[chOut], psi->sbrWorkBuf[ch], icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 1) { + DecWindowOverlapLongStartNoClip(psi->coef[ch], psi->overlap[chOut], psi->sbrWorkBuf[ch], icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 2) { + DecWindowOverlapShortNoClip(psi->coef[ch], psi->overlap[chOut], psi->sbrWorkBuf[ch], icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 3) { + DecWindowOverlapLongStopNoClip(psi->coef[ch], psi->overlap[chOut], psi->sbrWorkBuf[ch], icsInfo->winShape, psi->prevWinShape[chOut]); + } + + if (!aacDecInfo->sbrEnabled) { + for (i = 0; i < AAC_MAX_NSAMPS; i++) { + *outbuf = CLIPTOSHORT((psi->sbrWorkBuf[ch][i] + RND_VAL) >> FBITS_OUT_IMDCT); + outbuf += aacDecInfo->nChans; + } + } + + aacDecInfo->rawSampleBuf[ch] = psi->sbrWorkBuf[ch]; + aacDecInfo->rawSampleBytes = sizeof(int); + aacDecInfo->rawSampleFBits = FBITS_OUT_IMDCT; +#else + /* window, overlap-add, round to PCM - optimized for each window sequence */ + if (icsInfo->winSequence == 0) { + DecWindowOverlap(psi->coef[ch], psi->overlap[chOut], outbuf, aacDecInfo->nChans, icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 1) { + DecWindowOverlapLongStart(psi->coef[ch], psi->overlap[chOut], outbuf, aacDecInfo->nChans, icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 2) { + DecWindowOverlapShort(psi->coef[ch], psi->overlap[chOut], outbuf, aacDecInfo->nChans, icsInfo->winShape, psi->prevWinShape[chOut]); + } else if (icsInfo->winSequence == 3) { + DecWindowOverlapLongStop(psi->coef[ch], psi->overlap[chOut], outbuf, aacDecInfo->nChans, icsInfo->winShape, psi->prevWinShape[chOut]); + } + + aacDecInfo->rawSampleBuf[ch] = 0; + aacDecInfo->rawSampleBytes = 0; + aacDecInfo->rawSampleFBits = 0; +#endif + + psi->prevWinShape[chOut] = icsInfo->winShape; + + return 0; +} diff --git a/audio_codec/wfd_aac_decoder/noiseless.c b/audio_codec/wfd_aac_decoder/noiseless.c new file mode 100644 index 0000000..e519e9d --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/noiseless.c @@ -0,0 +1,513 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: noiseless.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * noiseless.c - decode channel info, scalefactors, quantized coefficients, + * scalefactor band codebook, and TNS coefficients from bitstream + **************************************************************************************/ + +#include "coder.h" +#include + + +/************************************************************************************** + * Function: DecodeICSInfo + * + * Description: decode individual channel stream info + * + * Inputs: BitStreamInfo struct pointing to start of ICS info + * (14496-3, table 4.4.6) + * sample rate index + * + * Outputs: updated icsInfo struct + * + * Return: none + **************************************************************************************/ +void DecodeICSInfo(BitStreamInfo *bsi, ICSInfo *icsInfo, int sampRateIdx) +{ + int sfb, g, mask; + + icsInfo->icsResBit = GetBits(bsi, 1); + icsInfo->winSequence = GetBits(bsi, 2); + icsInfo->winShape = GetBits(bsi, 1); + if (icsInfo->winSequence == 2) { + /* short block */ + icsInfo->maxSFB = GetBits(bsi, 4); + icsInfo->sfGroup = GetBits(bsi, 7); + icsInfo->numWinGroup = 1; + icsInfo->winGroupLen[0] = 1; + mask = 0x40; /* start with bit 6 */ + for (g = 0; g < 7; g++) { + if (icsInfo->sfGroup & mask) { + icsInfo->winGroupLen[icsInfo->numWinGroup - 1]++; + } else { + icsInfo->numWinGroup++; + icsInfo->winGroupLen[icsInfo->numWinGroup - 1] = 1; + } + mask >>= 1; + } + } else { + /* long block */ + icsInfo->maxSFB = GetBits(bsi, 6); + icsInfo->predictorDataPresent = GetBits(bsi, 1); + if (icsInfo->predictorDataPresent) { + icsInfo->predictorReset = GetBits(bsi, 1); + if (icsInfo->predictorReset) { + icsInfo->predictorResetGroupNum = GetBits(bsi, 5); + } + for (sfb = 0; sfb < MIN(icsInfo->maxSFB, predSFBMax[sampRateIdx]); sfb++) { + icsInfo->predictionUsed[sfb] = GetBits(bsi, 1); + } + } + icsInfo->numWinGroup = 1; + icsInfo->winGroupLen[0] = 1; + } +} + +/************************************************************************************** + * Function: DecodeSectionData + * + * Description: decode section data (scale factor band groupings and + * associated Huffman codebooks) + * + * Inputs: BitStreamInfo struct pointing to start of ICS info + * (14496-3, table 4.4.25) + * window sequence (short or long blocks) + * number of window groups (1 for long blocks, 1-8 for short blocks) + * max coded scalefactor band + * + * Outputs: index of Huffman codebook for each scalefactor band in each section + * + * Return: none + * + * Notes: sectCB, sectEnd, sfbCodeBook, ordered by window groups for short blocks + **************************************************************************************/ +static int DecodeSectionData(BitStreamInfo *bsi, int winSequence, int numWinGrp, int maxSFB, unsigned char *sfbCodeBook) +{ + int g, cb, sfb; + int sectLen, sectLenBits, sectLenIncr, sectEscapeVal; + + sectLenBits = (winSequence == 2 ? 3 : 5); + sectEscapeVal = (1 << sectLenBits) - 1; + + for (g = 0; g < numWinGrp; g++) { + sfb = 0; + while (sfb < maxSFB) { + cb = GetBits(bsi, 4); /* next section codebook */ + sectLen = 0; + do { + sectLenIncr = GetBits(bsi, sectLenBits); + sectLen += sectLenIncr; + } while (sectLenIncr == sectEscapeVal); + + sfb += sectLen; + while (sectLen--) { + *sfbCodeBook++ = (unsigned char)cb; + } + } + ASSERT(sfb == maxSFB, ERR_AAC_HUFFMAN_DECODING); + } + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: DecodeOneScaleFactor + * + * Description: decode one scalefactor using scalefactor Huffman codebook + * + * Inputs: BitStreamInfo struct pointing to start of next coded scalefactor + * + * Outputs: updated BitstreamInfo struct + * + * Return: one decoded scalefactor, including index_offset of -60 + **************************************************************************************/ +static int DecodeOneScaleFactor(BitStreamInfo *bsi) +{ + int nBits, val; + unsigned int bitBuf; + + /* decode next scalefactor from bitstream */ + bitBuf = GetBitsNoAdvance(bsi, huffTabScaleFactInfo.maxBits) << (32 - huffTabScaleFactInfo.maxBits); + nBits = DecodeHuffmanScalar(huffTabScaleFact, &huffTabScaleFactInfo, bitBuf, &val); + AdvanceBitstream(bsi, nBits); + + return val; +} + +/************************************************************************************** + * Function: DecodeScaleFactors + * + * Description: decode scalefactors, PNS energy, and intensity stereo weights + * + * Inputs: BitStreamInfo struct pointing to start of ICS info + * (14496-3, table 4.4.26) + * number of window groups (1 for long blocks, 1-8 for short blocks) + * max coded scalefactor band + * global gain (starting value for differential scalefactor coding) + * index of Huffman codebook for each scalefactor band in each section + * + * Outputs: decoded scalefactor for each section + * + * Return: none + * + * Notes: sfbCodeBook, scaleFactors ordered by window groups for short blocks + * for section with codebook 13, scaleFactors buffer has decoded PNS + * energy instead of regular scalefactor + * for section with codebook 14 or 15, scaleFactors buffer has intensity + * stereo weight instead of regular scalefactor + **************************************************************************************/ +static void DecodeScaleFactors(BitStreamInfo *bsi, int numWinGrp, int maxSFB, int globalGain, + unsigned char *sfbCodeBook, short *scaleFactors) +{ + int g, sfbCB, nrg, npf, val, sf, is; + + /* starting values for differential coding */ + sf = globalGain; + is = 0; + nrg = globalGain - 90 - 256; + npf = 1; + + for (g = 0; g < numWinGrp * maxSFB; g++) { + sfbCB = *sfbCodeBook++; + + if (sfbCB == 14 || sfbCB == 15) { + /* intensity stereo - differential coding */ + val = DecodeOneScaleFactor(bsi); + is += val; + *scaleFactors++ = (short)is; + } else if (sfbCB == 13) { + /* PNS - first energy is directly coded, rest are Huffman coded (npf = noise_pcm_flag) */ + if (npf) { + val = GetBits(bsi, 9); + npf = 0; + } else { + val = DecodeOneScaleFactor(bsi); + } + nrg += val; + *scaleFactors++ = (short)nrg; + } else if (sfbCB >= 1 && sfbCB <= 11) { + /* regular (non-zero) region - differential coding */ + val = DecodeOneScaleFactor(bsi); + sf += val; + *scaleFactors++ = (short)sf; + } else { + /* inactive scalefactor band if codebook 0 */ + *scaleFactors++ = 0; + } + } +} + +/************************************************************************************** + * Function: DecodePulseInfo + * + * Description: decode pulse information + * + * Inputs: BitStreamInfo struct pointing to start of pulse info + * (14496-3, table 4.4.7) + * + * Outputs: updated PulseInfo struct + * + * Return: none + **************************************************************************************/ +static void DecodePulseInfo(BitStreamInfo *bsi, PulseInfo *pi) +{ + int i; + + pi->numPulse = GetBits(bsi, 2) + 1; /* add 1 here */ + pi->startSFB = GetBits(bsi, 6); + for (i = 0; i < pi->numPulse; i++) { + pi->offset[i] = GetBits(bsi, 5); + pi->amp[i] = GetBits(bsi, 4); + } +} + +/************************************************************************************** + * Function: DecodeTNSInfo + * + * Description: decode TNS filter information + * + * Inputs: BitStreamInfo struct pointing to start of TNS info + * (14496-3, table 4.4.27) + * window sequence (short or long blocks) + * + * Outputs: updated TNSInfo struct + * buffer of decoded (signed) TNS filter coefficients + * + * Return: none + **************************************************************************************/ +static void DecodeTNSInfo(BitStreamInfo *bsi, int winSequence, TNSInfo *ti, signed char *tnsCoef) +{ + int i, w, f, coefBits, compress; + signed char c, s, n; + signed char sgnMask[3] = { 0x02, 0x04, 0x08}; + signed char negMask[3] = {~0x03, ~0x07, ~0x0f}; + unsigned char *filtLength, *filtOrder, *filtDir; + + filtLength = ti->length; + filtOrder = ti->order; + filtDir = ti->dir; + + if (winSequence == 2) { + /* short blocks */ + for (w = 0; w < NWINDOWS_SHORT; w++) { + ti->numFilt[w] = GetBits(bsi, 1); + if (ti->numFilt[w]) { + ti->coefRes[w] = GetBits(bsi, 1) + 3; + *filtLength = GetBits(bsi, 4); + *filtOrder = GetBits(bsi, 3); + if (*filtOrder) { + *filtDir++ = GetBits(bsi, 1); + compress = GetBits(bsi, 1); + coefBits = (int)ti->coefRes[w] - compress; /* 2, 3, or 4 */ + s = sgnMask[coefBits - 2]; + n = negMask[coefBits - 2]; + for (i = 0; i < *filtOrder; i++) { + c = GetBits(bsi, coefBits); + if (c & s) { + c |= n; + } + *tnsCoef++ = c; + } + } + filtLength++; + filtOrder++; + } + } + } else { + /* long blocks */ + ti->numFilt[0] = GetBits(bsi, 2); + if (ti->numFilt[0]) { + ti->coefRes[0] = GetBits(bsi, 1) + 3; + } + for (f = 0; f < ti->numFilt[0]; f++) { + *filtLength = GetBits(bsi, 6); + *filtOrder = GetBits(bsi, 5); + if (*filtOrder) { + *filtDir++ = GetBits(bsi, 1); + compress = GetBits(bsi, 1); + coefBits = (int)ti->coefRes[0] - compress; /* 2, 3, or 4 */ + s = sgnMask[coefBits - 2]; + n = negMask[coefBits - 2]; + for (i = 0; i < *filtOrder; i++) { + c = GetBits(bsi, coefBits); + if (c & s) { + c |= n; + } + *tnsCoef++ = c; + } + } + filtLength++; + filtOrder++; + } + } +} + +/* bitstream field lengths for gain control data: + * gainBits[winSequence][0] = maxWindow (how many gain windows there are) + * gainBits[winSequence][1] = locBitsZero (bits for alocCode if window == 0) + * gainBits[winSequence][2] = locBits (bits for alocCode if window != 0) + */ +static const unsigned char gainBits[4][3] = { + {1, 5, 5}, /* long */ + {2, 4, 2}, /* start */ + {8, 2, 2}, /* short */ + {2, 4, 5}, /* stop */ +}; + +/************************************************************************************** + * Function: DecodeGainControlInfo + * + * Description: decode gain control information (SSR profile only) + * + * Inputs: BitStreamInfo struct pointing to start of gain control info + * (14496-3, table 4.4.12) + * window sequence (short or long blocks) + * + * Outputs: updated GainControlInfo struct + * + * Return: none + **************************************************************************************/ +static void DecodeGainControlInfo(BitStreamInfo *bsi, int winSequence, GainControlInfo *gi) +{ + int bd, wd, ad; + int locBits, locBitsZero, maxWin; + + gi->maxBand = GetBits(bsi, 2); + maxWin = (int)gainBits[winSequence][0]; + locBitsZero = (int)gainBits[winSequence][1]; + locBits = (int)gainBits[winSequence][2]; + + for (bd = 1; bd <= gi->maxBand; bd++) { + for (wd = 0; wd < maxWin; wd++) { + gi->adjNum[bd][wd] = GetBits(bsi, 3); + for (ad = 0; ad < gi->adjNum[bd][wd]; ad++) { + gi->alevCode[bd][wd][ad] = GetBits(bsi, 4); + gi->alocCode[bd][wd][ad] = GetBits(bsi, (wd == 0 ? locBitsZero : locBits)); + } + } + } +} + +/************************************************************************************** + * Function: DecodeICS + * + * Description: decode individual channel stream + * + * Inputs: platform specific info struct + * BitStreamInfo struct pointing to start of individual channel stream + * (14496-3, table 4.4.24) + * index of current channel + * + * Outputs: updated section data, scale factor data, pulse data, TNS data, + * and gain control data + * + * Return: none + **************************************************************************************/ +static int DecodeICS(PSInfoBase *psi, BitStreamInfo *bsi, int ch) +{ + int globalGain; + ICSInfo *icsInfo; + PulseInfo *pi; + TNSInfo *ti; + GainControlInfo *gi; + int err = ERR_AAC_NONE; + + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + globalGain = GetBits(bsi, 8); + if (!psi->commonWin) { + DecodeICSInfo(bsi, icsInfo, psi->sampRateIdx); + } + + err = DecodeSectionData(bsi, icsInfo->winSequence, icsInfo->numWinGroup, icsInfo->maxSFB, psi->sfbCodeBook[ch]); + if (err) { + return err; + } + DecodeScaleFactors(bsi, icsInfo->numWinGroup, icsInfo->maxSFB, globalGain, psi->sfbCodeBook[ch], psi->scaleFactors[ch]); + + pi = &psi->pulseInfo[ch]; + pi->pulseDataPresent = GetBits(bsi, 1); + if (pi->pulseDataPresent) { + DecodePulseInfo(bsi, pi); + } + + ti = &psi->tnsInfo[ch]; + ti->tnsDataPresent = GetBits(bsi, 1); + if (ti->tnsDataPresent) { + DecodeTNSInfo(bsi, icsInfo->winSequence, ti, ti->coef); + } + + gi = &psi->gainControlInfo[ch]; + gi->gainControlDataPresent = GetBits(bsi, 1); + if (gi->gainControlDataPresent) { + /* disable SSR, as we can decode out this part */ + return ERR_AAC_SSR_GAIN_NOT_ADDED; + DecodeGainControlInfo(bsi, icsInfo->winSequence, gi); + } + return err; +} + +/************************************************************************************** + * Function: DecodeNoiselessData + * + * Description: decode noiseless data (side info and transform coefficients) + * + * Inputs: valid AACDecInfo struct + * double pointer to buffer pointing to start of individual channel stream + * (14496-3, table 4.4.24) + * pointer to bit offset + * pointer to number of valid bits remaining in buf + * index of current channel + * + * Outputs: updated global gain, section data, scale factor data, pulse data, + * TNS data, gain control data, and spectral data + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int DecodeNoiselessData(AACDecInfo *aacDecInfo, unsigned char **buf, int *bitOffset, int *bitsAvail, int ch) +{ + int bitsUsed; + BitStreamInfo bsi; + PSInfoBase *psi; + ICSInfo *icsInfo; + int err = 0; + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + if (AACDataSource == 1) { + SetBitstreamPointer(&bsi, (*bitsAvail + 7) >> 3, *buf); + GetBits(&bsi, *bitOffset); + } else { + if (((*bitsAvail + 7) >> 3) < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + + err = DecodeICS(psi, &bsi, ch); + if (err) { + return err; + } + if (icsInfo->winSequence == 2) { + err = DecodeSpectrumShort(psi, &bsi, ch); + } else { + err = DecodeSpectrumLong(psi, &bsi, ch); + } + if (err) { + return err; + } + if (AACDataSource == 1) { + bitsUsed = CalcBitsUsed(&bsi, *buf, *bitOffset); + *buf += ((bitsUsed + *bitOffset) >> 3); + *bitOffset = ((bitsUsed + *bitOffset) & 0x07); + *bitsAvail -= bitsUsed; + if (*bitsAvail < 0) { + return ERR_AAC_INDATA_UNDERFLOW; + } + } + aacDecInfo->sbDeinterleaveReqd[ch] = 0; + aacDecInfo->tnsUsed |= psi->tnsInfo[ch].tnsDataPresent; /* set flag if TNS used for any channel */ + + return ERR_AAC_NONE; +} diff --git a/audio_codec/wfd_aac_decoder/pns.c b/audio_codec/wfd_aac_decoder/pns.c new file mode 100644 index 0000000..2384593 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/pns.c @@ -0,0 +1,371 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: pns.c,v 1.2 2005/03/10 17:01:56 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * pns.c - perceptual noise substitution + **************************************************************************************/ + +#include "coder.h" +#ifndef __MW__ +#include "assembly.h" +#else +#include "assembly_mw.h" +#endif /* __MW__ */ + +/************************************************************************************** + * Function: Get32BitVal + * + * Description: generate 32-bit unsigned random number + * + * Inputs: last number calculated (seed, first time through) + * + * Outputs: new number, saved in *last + * + * Return: 32-bit number, uniformly distributed between [0, 2^32) + * + * Notes: uses simple linear congruential generator + **************************************************************************************/ +static unsigned int Get32BitVal(unsigned int *last) +{ + unsigned int r = *last; + + /* use same coefs as MPEG reference code (classic LCG) + * use unsigned multiply to force reliable wraparound behavior in C (mod 2^32) + */ + r = (1664525U * r) + 1013904223U; + *last = r; + + return r; +} + +/* pow(2, i/4.0) for i = [0,1,2,3], format = Q30 */ +static const int pow14[4] = { + 0x40000000, 0x4c1bf829, 0x5a82799a, 0x6ba27e65 +}; + +#define NUM_ITER_INVSQRT 4 + +#define X0_COEF_2 0xc0000000 /* Q29: -2.0 */ +#define X0_OFF_2 0x60000000 /* Q29: 3.0 */ +#define Q26_3 0x0c000000 /* Q26: 3.0 */ + +/************************************************************************************** + * Function: InvRootR + * + * Description: use Newton's method to solve for x = 1/sqrt(r) + * + * Inputs: r in Q30 format, range = [0.25, 1] (normalize inputs to this range) + * + * Outputs: none + * + * Return: x = Q29, range = (1, 2) + * + * Notes: guaranteed to converge and not overflow for any r in this range + * + * xn+1 = xn - f(xn)/f'(xn) + * f(x) = 1/sqrt(r) - x = 0 (find root) + * = 1/x^2 - r + * f'(x) = -2/x^3 + * + * so xn+1 = xn/2 * (3 - r*xn^2) + * + * NUM_ITER_INVSQRT = 3, maxDiff = 1.3747e-02 + * NUM_ITER_INVSQRT = 4, maxDiff = 3.9832e-04 + **************************************************************************************/ +static int InvRootR(int r) +{ + int i, xn, t; + + /* use linear equation for initial guess + * x0 = -2*r + 3 (so x0 always >= correct answer in range [0.25, 1)) + * xn = Q29 (at every step) + */ + xn = (MULSHIFT32(r, X0_COEF_2) << 2) + X0_OFF_2; + + for (i = 0; i < NUM_ITER_INVSQRT; i++) { + t = MULSHIFT32(xn, xn); /* Q26 = Q29*Q29 */ + t = Q26_3 - (MULSHIFT32(r, t) << 2); /* Q26 = Q26 - (Q31*Q26 << 1) */ + xn = MULSHIFT32(xn, t) << (6 - 1); /* Q29 = (Q29*Q26 << 6), and -1 for division by 2 */ + } + + /* clip to range (1.0, 2.0) + * (because of rounding, this can converge to xn slightly > 2.0 when r is near 0.25) + */ + if (xn >> 30) { + xn = (1 << 30) - 1; + } + + return xn; +} + +/************************************************************************************** + * Function: ScaleNoiseVector + * + * Description: apply scaling to vector of noise coefficients for one scalefactor band + * + * Inputs: unscaled coefficients + * number of coefficients in vector (one scalefactor band of coefs) + * scalefactor for this band (i.e. noise energy) + * + * Outputs: nVals coefficients in Q(FBITS_OUT_DQ_OFF) + * + * Return: guard bit mask (OR of abs value of all noise coefs) + **************************************************************************************/ +static int ScaleNoiseVector(int *coef, int nVals, int sf) +{ + int i, c, spec, energy, sq, scalef, scalei, invSqrtEnergy, z, gbMask; + + energy = 0; + for (i = 0; i < nVals; i++) { + spec = coef[i]; + + /* max nVals = max SFB width = 96, so energy can gain < 2^7 bits in accumulation */ + sq = (spec * spec) >> 8; /* spec*spec range = (-2^30, 2^30) */ + energy += sq; + } + + /* unless nVals == 1 (or the number generator is broken...), this should not happen */ + if (energy == 0) { + return 0; /* coef[i] must = 0 for i = [0, nVals-1], so gbMask = 0 */ + } + + /* pow(2, sf/4) * pow(2, FBITS_OUT_DQ_OFF) */ + scalef = pow14[sf & 0x3]; + scalei = (sf >> 2) + FBITS_OUT_DQ_OFF; + + /* energy has implied factor of 2^-8 since we shifted the accumulator + * normalize energy to range [0.25, 1.0), calculate 1/sqrt(1), and denormalize + * i.e. divide input by 2^(30-z) and convert to Q30 + * output of 1/sqrt(i) now has extra factor of 2^((30-z)/2) + * for energy > 0, z is an even number between 0 and 28 + * final scaling of invSqrtEnergy: + * 2^(15 - z/2) to compensate for implicit 2^(30-z) factor in input + * +4 to compensate for implicit 2^-8 factor in input + */ + z = CLZ(energy) - 2; /* energy has at least 2 leading zeros (see acc loop) */ + z &= 0xfffffffe; /* force even */ + invSqrtEnergy = InvRootR(energy << z); /* energy << z must be in range [0x10000000, 0x40000000] */ + scalei -= (15 - z / 2 + 4); /* nInt = 1/sqrt(energy) in Q29 */ + + /* normalize for final scaling */ + z = CLZ(invSqrtEnergy) - 1; + invSqrtEnergy <<= z; + scalei -= (z - 3 - 2); /* -2 for scalef, z-3 for invSqrtEnergy */ + scalef = MULSHIFT32(scalef, invSqrtEnergy); /* scalef (input) = Q30, invSqrtEnergy = Q29 * 2^z */ + gbMask = 0; + + if (scalei < 0) { + scalei = -scalei; + if (scalei > 31) { + scalei = 31; + } + for (i = 0; i < nVals; i++) { + c = MULSHIFT32(coef[i], scalef) >> scalei; + gbMask |= FASTABS(c); + coef[i] = c; + } + } else { + /* for scalei <= 16, no clipping possible (coef[i] is < 2^15 before scaling) + * for scalei > 16, just saturate exponent (rare) + * scalef is close to full-scale (since we normalized invSqrtEnergy) + * remember, we are just producing noise here + */ + if (scalei > 16) { + scalei = 16; + } + for (i = 0; i < nVals; i++) { + c = MULSHIFT32(coef[i] << scalei, scalef); + coef[i] = c; + gbMask |= FASTABS(c); + } + } + + return gbMask; +} + +/************************************************************************************** + * Function: GenerateNoiseVector + * + * Description: create vector of noise coefficients for one scalefactor band + * + * Inputs: seed for number generator + * number of coefficients to generate + * + * Outputs: buffer of nVals coefficients, range = [-2^15, 2^15) + * updated seed for number generator + * + * Return: none + **************************************************************************************/ +static void GenerateNoiseVector(int *coef, int *last, int nVals) +{ + int i; + + for (i = 0; i < nVals; i++) { + coef[i] = ((signed int)Get32BitVal((unsigned int *)last)) >> 16; + } +} + +/************************************************************************************** + * Function: CopyNoiseVector + * + * Description: copy vector of noise coefficients for one scalefactor band from L to R + * + * Inputs: buffer of left coefficients + * number of coefficients to copy + * + * Outputs: buffer of right coefficients + * + * Return: none + **************************************************************************************/ +static void CopyNoiseVector(int *coefL, int *coefR, int nVals) +{ + int i; + + for (i = 0; i < nVals; i++) { + coefR[i] = coefL[i]; + } +} + +/************************************************************************************** + * Function: PNS + * + * Description: apply perceptual noise substitution, if enabled (MPEG-4 only) + * + * Inputs: valid AACDecInfo struct + * index of current channel + * + * Outputs: shaped noise in scalefactor bands where PNS is active + * updated minimum guard bit count for this channel + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +int PNS(AACDecInfo *aacDecInfo, int ch) +{ + int gp, sfb, win, width, nSamps, gb, gbMask; + int *coef; + const short *sfbTab; + unsigned char *sfbCodeBook; + short *scaleFactors; + int msMaskOffset, checkCorr, genNew; + unsigned char msMask; + unsigned char *msMaskPtr; + PSInfoBase *psi; + ICSInfo *icsInfo; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + + if (!psi->pnsUsed[ch]) { + return 0; + } + + if (icsInfo->winSequence == 2) { + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + nSamps = NSAMPS_SHORT; + } else { + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + nSamps = NSAMPS_LONG; + } + coef = psi->coef[ch]; + sfbCodeBook = psi->sfbCodeBook[ch]; + scaleFactors = psi->scaleFactors[ch]; + checkCorr = (aacDecInfo->currBlockID == AAC_ID_CPE && psi->commonWin == 1 ? 1 : 0); + + gbMask = 0; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + msMaskPtr = psi->msMaskBits + ((gp * icsInfo->maxSFB) >> 3); + msMaskOffset = ((gp * icsInfo->maxSFB) & 0x07); + msMask = (*msMaskPtr++) >> msMaskOffset; + + for (sfb = 0; sfb < icsInfo->maxSFB; sfb++) { + width = sfbTab[sfb + 1] - sfbTab[sfb]; + if (sfbCodeBook[sfb] == 13) { + if (ch == 0) { + /* generate new vector, copy into ch 1 if it's possible that the channels will be correlated + * if ch 1 has PNS enabled for this SFB but it's uncorrelated (i.e. ms_used == 0), + * the copied values will be overwritten when we process ch 1 + */ + GenerateNoiseVector(coef, &psi->pnsLastVal, width); + if (checkCorr && psi->sfbCodeBook[1][gp * icsInfo->maxSFB + sfb] == 13) { + CopyNoiseVector(coef, psi->coef[1] + (coef - psi->coef[0]), width); + } + } else { + /* generate new vector if no correlation between channels */ + genNew = 1; + if (checkCorr && psi->sfbCodeBook[0][gp * icsInfo->maxSFB + sfb] == 13) { + if ((psi->msMaskPresent == 1 && (msMask & 0x01)) || psi->msMaskPresent == 2) { + genNew = 0; + } + } + if (genNew) { + GenerateNoiseVector(coef, &psi->pnsLastVal, width); + } + } + gbMask |= ScaleNoiseVector(coef, width, psi->scaleFactors[ch][gp * icsInfo->maxSFB + sfb]); + } + coef += width; + + /* get next mask bit (should be branchless on ARM) */ + msMask >>= 1; + if (++msMaskOffset == 8) { + msMask = *msMaskPtr++; + msMaskOffset = 0; + } + } + coef += (nSamps - sfbTab[icsInfo->maxSFB]); + } + sfbCodeBook += icsInfo->maxSFB; + scaleFactors += icsInfo->maxSFB; + } + + /* update guard bit count if necessary */ + gb = CLZ(gbMask) - 1; + if (psi->gbCurrent[ch] > gb) { + psi->gbCurrent[ch] = gb; + } + + return 0; +} diff --git a/audio_codec/wfd_aac_decoder/sbr.c b/audio_codec/wfd_aac_decoder/sbr.c new file mode 100644 index 0000000..7bb8bc3 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/sbr.c @@ -0,0 +1,434 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbr.c,v 1.4 2008/01/15 21:20:31 ehyche Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbr.c - top level functions for SBR + **************************************************************************************/ + +#if defined(REAL_FORMAT_SDK) +#include "rm_memory_shim.h" +#define malloc hx_realformatsdk_malloc +#define free hx_realformatsdk_free +#endif /* #if defined(REAL_FORMAT_SDK) */ + +#include "sbr.h" +#include +#include + +/************************************************************************************** + * Function: InitSBRState + * + * Description: initialize PSInfoSBR struct at start of stream or after flush + * + * Inputs: valid AACDecInfo struct + * + * Outputs: PSInfoSBR struct with proper initial state + * + * Return: none + **************************************************************************************/ +static void InitSBRState(PSInfoSBR *psi) +{ + int i, ch; + unsigned char *c; + + if (!psi) { + return; + } + + /* clear SBR state structure */ + c = (unsigned char *)psi; + for (i = 0; i < (int)sizeof(PSInfoSBR); i++) { + *c++ = 0; + } + + /* initialize non-zero state variables */ + for (ch = 0; ch < AAC_MAX_NCHANS; ch++) { + psi->sbrChan[ch].reset = 1; + psi->sbrChan[ch].laPrev = -1; + } +} + +/************************************************************************************** + * Function: InitSBR + * + * Description: initialize SBR decoder + * + * Inputs: valid AACDecInfo struct + * + * Outputs: PSInfoSBR struct to hold SBR state information + * + * Return: 0 if successful, error code (< 0) if error + * + * Note: memory allocation for SBR is only done here + **************************************************************************************/ +int InitSBR(AACDecInfo *aacDecInfo) +{ + PSInfoSBR *psi; + + if (!aacDecInfo) { + return ERR_AAC_NULL_POINTER; + } + /* allocate SBR state structure */ + psi = (PSInfoSBR *)malloc(sizeof(PSInfoSBR)); + if (!psi) { + return ERR_AAC_SBR_INIT; + } + + InitSBRState(psi); + + aacDecInfo->psInfoSBR = psi; + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: FreeSBR + * + * Description: free SBR decoder + * + * Inputs: valid AACDecInfo struct + * + * Outputs: none + * + * Return: none + * + * Note: memory deallocation for SBR is only done here + **************************************************************************************/ +void FreeSBR(AACDecInfo *aacDecInfo) +{ + if (aacDecInfo && aacDecInfo->psInfoSBR) { + free(aacDecInfo->psInfoSBR); + } + + return; +} + +/************************************************************************************** + * Function: DecodeSBRBitstream + * + * Description: decode sideband information for SBR + * + * Inputs: valid AACDecInfo struct + * fill buffer with SBR extension block + * number of bytes in fill buffer + * base output channel (range = [0, nChans-1]) + * + * Outputs: initialized state structs (SBRHdr, SBRGrid, SBRFreq, SBRChan) + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: SBR payload should be in aacDecInfo->fillBuf + * returns with no error if fill buffer is not an SBR extension block, + * or if current block is not a fill block (e.g. for LFE upsampling) + **************************************************************************************/ +int DecodeSBRBitstream(AACDecInfo *aacDecInfo, int chBase) +{ + int headerFlag; + BitStreamInfo bsi; + PSInfoSBR *psi; + int err = ERR_AAC_NONE; + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoSBR) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoSBR *)(aacDecInfo->psInfoSBR); + + if (aacDecInfo->currBlockID != AAC_ID_FIL || (aacDecInfo->fillExtType != EXT_SBR_DATA && aacDecInfo->fillExtType != EXT_SBR_DATA_CRC)) { + return ERR_AAC_NONE; + } + + SetBitstreamPointer(&bsi, aacDecInfo->fillCount, aacDecInfo->fillBuf); + if (GetBits(&bsi, 4) != (unsigned int)aacDecInfo->fillExtType) { + return ERR_AAC_SBR_BITSTREAM; + } + + if (aacDecInfo->fillExtType == EXT_SBR_DATA_CRC) { + psi->crcCheckWord = GetBits(&bsi, 10); + } + + headerFlag = GetBits(&bsi, 1); + if (headerFlag) { + /* get sample rate index for output sample rate (2x base rate) */ + psi->sampRateIdx = GetSampRateIdx(2 * aacDecInfo->sampRate); + if (psi->sampRateIdx < 0 || psi->sampRateIdx >= NUM_SAMPLE_RATES) { + return ERR_AAC_SBR_BITSTREAM; + } else if (psi->sampRateIdx >= NUM_SAMPLE_RATES_SBR) { + return ERR_AAC_SBR_SINGLERATE_UNSUPPORTED; + } + + /* reset flag = 1 if header values changed */ + if (UnpackSBRHeader(&bsi, &(psi->sbrHdr[chBase]))) { + psi->sbrChan[chBase].reset = 1; + } + + /* first valid SBR header should always trigger CalcFreqTables(), since psi->reset was set in InitSBR() */ + if (psi->sbrChan[chBase].reset) { + CalcFreqTables(&(psi->sbrHdr[chBase + 0]), &(psi->sbrFreq[chBase]), psi->sampRateIdx); + } + + /* copy and reset state to right channel for CPE */ + if (aacDecInfo->prevBlockID == AAC_ID_CPE) { + psi->sbrChan[chBase + 1].reset = psi->sbrChan[chBase + 0].reset; + } + } + + + /* if no header has been received, upsample only */ + if (psi->sbrHdr[chBase].count == 0) { + return ERR_AAC_NONE; + } + + if (aacDecInfo->prevBlockID == AAC_ID_SCE) { + err = UnpackSBRSingleChannel(&bsi, psi, chBase); + } else if (aacDecInfo->prevBlockID == AAC_ID_CPE) { + err = UnpackSBRChannelPair(&bsi, psi, chBase); + } else { + return ERR_AAC_SBR_BITSTREAM; + } + ByteAlignBitstream(&bsi); + + return err; +} + +/************************************************************************************** + * Function: DecodeSBRData + * + * Description: apply SBR to one frame of PCM data + * + * Inputs: 1024 samples of decoded 32-bit PCM, before SBR + * size of input PCM samples (must be 4 bytes) + * number of fraction bits in input PCM samples + * base output channel (range = [0, nChans-1]) + * initialized state structs (SBRHdr, SBRGrid, SBRFreq, SBRChan) + * + * Outputs: 2048 samples of decoded 16-bit PCM, after SBR + * + * Return: 0 if successful, error code (< 0) if error + **************************************************************************************/ +int DecodeSBRData(AACDecInfo *aacDecInfo, int chBase, short *outbuf) +{ + int k, l, ch, chBlock, qmfaBands, qmfsBands; + int upsampleOnly, gbIdx, gbMask; + int *inbuf; + short *outptr; + PSInfoSBR *psi; + SBRHeader *sbrHdr; + SBRGrid *sbrGrid; + SBRFreq *sbrFreq; + SBRChan *sbrChan; + int err = ERR_AAC_NONE; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoSBR) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoSBR *)(aacDecInfo->psInfoSBR); + + /* same header and freq tables for both channels in CPE */ + sbrHdr = &(psi->sbrHdr[chBase]); + sbrFreq = &(psi->sbrFreq[chBase]); + + /* upsample only if we haven't received an SBR header yet or if we have an LFE block */ + if (aacDecInfo->currBlockID == AAC_ID_LFE) { + chBlock = 1; + upsampleOnly = 1; + } else if (aacDecInfo->currBlockID == AAC_ID_FIL) { + if (aacDecInfo->prevBlockID == AAC_ID_SCE) { + chBlock = 1; + } else if (aacDecInfo->prevBlockID == AAC_ID_CPE) { + chBlock = 2; + } else { + return ERR_AAC_NONE; + } + + upsampleOnly = (sbrHdr->count == 0 ? 1 : 0); + if (aacDecInfo->fillExtType != EXT_SBR_DATA && aacDecInfo->fillExtType != EXT_SBR_DATA_CRC) { + return ERR_AAC_NONE; + } + } else { + /* ignore non-SBR blocks */ + return ERR_AAC_NONE; + } + + if (upsampleOnly) { + sbrFreq->kStart = 32; + sbrFreq->numQMFBands = 0; + } + + for (ch = 0; ch < chBlock; ch++) { + sbrGrid = &(psi->sbrGrid[chBase + ch]); + sbrChan = &(psi->sbrChan[chBase + ch]); + + if (aacDecInfo->rawSampleBuf[ch] == 0 || aacDecInfo->rawSampleBytes != 4) { + return ERR_AAC_SBR_PCM_FORMAT; + } + inbuf = (int *)aacDecInfo->rawSampleBuf[ch]; + outptr = outbuf + chBase + ch; + + /* restore delay buffers (could use ring buffer or keep in temp buffer for nChans == 1) */ + for (l = 0; l < HF_GEN; l++) { + for (k = 0; k < 64; k++) { + psi->XBuf[l][k][0] = psi->XBufDelay[chBase + ch][l][k][0]; + psi->XBuf[l][k][1] = psi->XBufDelay[chBase + ch][l][k][1]; + } + } + + /* step 1 - analysis QMF */ + qmfaBands = sbrFreq->kStart; + for (l = 0; l < 32; l++) { + gbMask = QMFAnalysis(inbuf + l * 32, psi->delayQMFA[chBase + ch], psi->XBuf[l + HF_GEN][0], + aacDecInfo->rawSampleFBits, &(psi->delayIdxQMFA[chBase + ch]), qmfaBands); + + gbIdx = ((l + HF_GEN) >> 5) & 0x01; + sbrChan->gbMask[gbIdx] |= gbMask; /* gbIdx = (0 if i < 32), (1 if i >= 32) */ + } + + if (upsampleOnly) { + /* no SBR - just run synthesis QMF to upsample by 2x */ + qmfsBands = 32; + for (l = 0; l < 32; l++) { + /* step 4 - synthesis QMF */ + QMFSynthesis(psi->XBuf[l + HF_ADJ][0], psi->delayQMFS[chBase + ch], &(psi->delayIdxQMFS[chBase + ch]), qmfsBands, outptr, aacDecInfo->nChans); + outptr += 64 * aacDecInfo->nChans; + } + } else { + /* if previous frame had lower SBR starting freq than current, zero out the synthesized QMF + * bands so they aren't used as sources for patching + * after patch generation, restore from delay buffer + * can only happen after header reset + */ + for (k = sbrFreq->kStartPrev; k < sbrFreq->kStart; k++) { + for (l = 0; l < sbrGrid->envTimeBorder[0] + HF_ADJ; l++) { + psi->XBuf[l][k][0] = 0; + psi->XBuf[l][k][1] = 0; + } + } + + /* step 2 - HF generation */ + err = GenerateHighFreq(psi, sbrGrid, sbrFreq, sbrChan, ch); + if (err) { + return err; + } + + /* restore SBR bands that were cleared before patch generation (time slots 0, 1 no longer needed) */ + for (k = sbrFreq->kStartPrev; k < sbrFreq->kStart; k++) { + for (l = HF_ADJ; l < sbrGrid->envTimeBorder[0] + HF_ADJ; l++) { + psi->XBuf[l][k][0] = psi->XBufDelay[chBase + ch][l][k][0]; + psi->XBuf[l][k][1] = psi->XBufDelay[chBase + ch][l][k][1]; + } + } + + /* step 3 - HF adjustment */ + err = AdjustHighFreq(psi, sbrHdr, sbrGrid, sbrFreq, sbrChan, ch); + if (err) { + return err; + } + + /* step 4 - synthesis QMF */ + qmfsBands = sbrFreq->kStartPrev + sbrFreq->numQMFBandsPrev; + for (l = 0; l < sbrGrid->envTimeBorder[0]; l++) { + /* if new envelope starts mid-frame, use old settings until start of first envelope in this frame */ + QMFSynthesis(psi->XBuf[l + HF_ADJ][0], psi->delayQMFS[chBase + ch], &(psi->delayIdxQMFS[chBase + ch]), qmfsBands, outptr, aacDecInfo->nChans); + outptr += 64 * aacDecInfo->nChans; + } + + qmfsBands = sbrFreq->kStart + sbrFreq->numQMFBands; + for (; l < 32; l++) { + /* use new settings for rest of frame (usually the entire frame, unless the first envelope starts mid-frame) */ + QMFSynthesis(psi->XBuf[l + HF_ADJ][0], psi->delayQMFS[chBase + ch], &(psi->delayIdxQMFS[chBase + ch]), qmfsBands, outptr, aacDecInfo->nChans); + outptr += 64 * aacDecInfo->nChans; + } + } + + /* save delay */ + for (l = 0; l < HF_GEN; l++) { + for (k = 0; k < 64; k++) { + psi->XBufDelay[chBase + ch][l][k][0] = psi->XBuf[l + 32][k][0]; + psi->XBufDelay[chBase + ch][l][k][1] = psi->XBuf[l + 32][k][1]; + } + } + sbrChan->gbMask[0] = sbrChan->gbMask[1]; + sbrChan->gbMask[1] = 0; + + if (sbrHdr->count > 0) { + sbrChan->reset = 0; + } + } + sbrFreq->kStartPrev = sbrFreq->kStart; + sbrFreq->numQMFBandsPrev = sbrFreq->numQMFBands; + + if (aacDecInfo->nChans > 0 && (chBase + ch) == aacDecInfo->nChans) { + psi->frameCount++; + } + + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: FlushCodecSBR + * + * Description: flush internal SBR codec state (after seeking, for example) + * + * Inputs: valid AACDecInfo struct + * + * Outputs: updated state variables for SBR + * + * Return: 0 if successful, error code (< 0) if error + * + * Notes: SBR is heavily dependent on state from previous frames + * (e.g. delta coded scalefactors, previous envelope boundaries, etc.) + * On flush, we reset everything as if SBR had just been initialized + * for the first time. This triggers "upsample-only" mode until + * the first valid SBR header is received. Then SBR starts as usual. + **************************************************************************************/ +int FlushCodecSBR(AACDecInfo *aacDecInfo) +{ + PSInfoSBR *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoSBR) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoSBR *)(aacDecInfo->psInfoSBR); + + InitSBRState(psi); + + return 0; +} diff --git a/audio_codec/wfd_aac_decoder/sbr.h b/audio_codec/wfd_aac_decoder/sbr.h new file mode 100644 index 0000000..7d01905 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/sbr.h @@ -0,0 +1,380 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbr.h,v 1.2 2005/05/20 18:05:41 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbr.h - definitions of platform-specific SBR data structures, functions, and tables + **************************************************************************************/ + +#ifndef _SBR_H +#define _SBR_H + +#include "aaccommon.h" +#include "bitstream.h" +#ifndef ASSERT +#if defined(_WIN32) && defined(_M_IX86) && (defined (_DEBUG) || defined (REL_ENABLE_ASSERTS)) +#define ASSERT(x) if (!(x)) __asm int 3; +#else +#define ASSERT(x,errid) do{if(!(x)) {printk(" aac decoder error ,errid %d\n",(errid));return (errid);}}while(0)/* do nothing */ +#endif +#endif + +#ifndef MAX +#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef MIN +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#endif + +#define NUM_TIME_SLOTS 16 +#define SAMPLES_PER_SLOT 2 /* RATE in spec */ +#define NUM_SAMPLE_RATES_SBR 9 /* downsampled (single-rate) mode unsupported, so only use Fs_sbr >= 16 kHz */ + +#define MAX_NUM_ENV 5 +#define MAX_NUM_NOISE_FLOORS 2 +#define MAX_NUM_NOISE_FLOOR_BANDS 5 /* max Nq, see 4.6.18.3.6 */ +#define MAX_NUM_PATCHES 5 +#define MAX_NUM_SMOOTH_COEFS 5 + +#define HF_GEN 8 +#define HF_ADJ 2 + +#define MAX_QMF_BANDS 48 /* max QMF subbands covered by SBR (4.6.18.3.6) */ + +#define FBITS_IN_QMFA 14 +#define FBITS_LOST_QMFA (1 + 2 + 3 + 2 + 1) /* 1 from cTab, 2 in premul, 3 in FFT, 2 in postmul, 1 for implicit scaling by 2.0 */ +#define FBITS_OUT_QMFA (FBITS_IN_QMFA - FBITS_LOST_QMFA) + +#define MIN_GBITS_IN_QMFS 2 +#define FBITS_IN_QMFS FBITS_OUT_QMFA +#define FBITS_LOST_DCT4_64 (2 + 3 + 2) /* 2 in premul, 3 in FFT, 2 in postmul */ + +#define FBITS_OUT_DQ_ENV 29 /* dequantized env scalefactors are Q(29 - envDataDequantScale) */ +#define FBITS_OUT_DQ_NOISE 24 /* range of Q_orig = [2^-24, 2^6] */ +#define NOISE_FLOOR_OFFSET 6 + +/* see comments in ApplyBoost() */ +#define FBITS_GLIM_BOOST 24 +#define FBITS_QLIM_BOOST 14 + +#define MAX_HUFF_BITS 20 +#define NUM_QMF_DELAY_BUFS 10 +#define DELAY_SAMPS_QMFA (NUM_QMF_DELAY_BUFS * 32) +#define DELAY_SAMPS_QMFS (NUM_QMF_DELAY_BUFS * 128) + +/* additional external symbols to name-mangle for static linking */ +#define FFT32C STATNAME(FFT32C) +#define CalcFreqTables STATNAME(CalcFreqTables) +#define AdjustHighFreq STATNAME(AdjustHighFreq) +#define GenerateHighFreq STATNAME(GenerateHighFreq) +#define DecodeSBREnvelope STATNAME(DecodeSBREnvelope) +#define DecodeSBRNoise STATNAME(DecodeSBRNoise) +#define UncoupleSBREnvelope STATNAME(UncoupleSBREnvelope) +#define UncoupleSBRNoise STATNAME(UncoupleSBRNoise) +#define InvRNormalized STATNAME(InvRNormalized) +#define RatioPowInv STATNAME(RatioPowInv) +#define SqrtFix STATNAME(SqrtFix) +#define QMFAnalysis STATNAME(QMFAnalysis) +#define QMFSynthesis STATNAME(QMFSynthesis) +#define GetSampRateIdx STATNAME(GetSampRateIdx) +#define UnpackSBRHeader STATNAME(UnpackSBRHeader) +#define UnpackSBRSingleChannel STATNAME(UnpackSBRSingleChannel) +#define UnpackSBRChannelPair STATNAME(UnpackSBRChannelPair) + +/* asm functions */ +#define CVKernel1 STATNAME(CVKernel1) +#define CVKernel2 STATNAME(CVKernel2) +#define QMFAnalysisConv STATNAME(QMFAnalysisConv) +#define QMFSynthesisConv STATNAME(QMFSynthesisConv) + +#define k0Tab STATNAME(k0Tab) +#define k2Tab STATNAME(k2Tab) +#define goalSBTab STATNAME(goalSBTab) +#define huffTabSBR STATNAME(huffTabSBR) +#define huffTabSBRInfo STATNAME(huffTabSBRInfo) +#define log2Tab STATNAME(log2Tab) +#define noiseTab STATNAME(noiseTab) +#define cTabA STATNAME(cTabA) +#define cTabS STATNAME(cTabS) + +/* do y <<= n, clipping to range [-2^30, 2^30 - 1] (i.e. output has one guard bit) */ +#define CLIP_2N_SHIFT30(y, n) { \ + int sign = (y) >> 31; \ + if (sign != (y) >> (30 - (n))) { \ + (y) = sign ^ (0x3fffffff); \ + } else { \ + (y) = (y) << (n); \ + } \ +} + +#define CLIP_2N(y, n) { \ + int sign = (y) >> 31; \ + if (sign != ((y) >> (n))) { \ + (y) = sign ^ ((1 << (n)) - 1); \ + } \ +} + +enum { + SBR_GRID_FIXFIX = 0, + SBR_GRID_FIXVAR = 1, + SBR_GRID_VARFIX = 2, + SBR_GRID_VARVAR = 3 +}; + +enum { + HuffTabSBR_tEnv15 = 0, + HuffTabSBR_fEnv15 = 1, + HuffTabSBR_tEnv15b = 2, + HuffTabSBR_fEnv15b = 3, + HuffTabSBR_tEnv30 = 4, + HuffTabSBR_fEnv30 = 5, + HuffTabSBR_tEnv30b = 6, + HuffTabSBR_fEnv30b = 7, + HuffTabSBR_tNoise30 = 8, + HuffTabSBR_fNoise30 = 5, + HuffTabSBR_tNoise30b = 9, + HuffTabSBR_fNoise30b = 7 +}; + +typedef struct _HuffInfo { + int maxBits; /* number of bits in longest codeword */ + unsigned char count[MAX_HUFF_BITS]; /* count[i] = number of codes with length i+1 bits */ + int offset; /* offset into symbol table */ +} HuffInfo; + +/* need one SBRHeader per element (SCE/CPE), updated only on new header */ +typedef struct _SBRHeader { + int count; + + unsigned char ampRes; + unsigned char startFreq; + unsigned char stopFreq; + unsigned char crossOverBand; + unsigned char resBitsHdr; + unsigned char hdrExtra1; + unsigned char hdrExtra2; + + unsigned char freqScale; + unsigned char alterScale; + unsigned char noiseBands; + + unsigned char limiterBands; + unsigned char limiterGains; + unsigned char interpFreq; + unsigned char smoothMode; +} SBRHeader; + +/* need one SBRGrid per channel, updated every frame */ +typedef struct _SBRGrid { + unsigned char frameClass; + unsigned char ampResFrame; + unsigned char pointer; + + unsigned char numEnv; /* L_E */ + unsigned char envTimeBorder[MAX_NUM_ENV + 1]; /* t_E */ + unsigned char freqRes[MAX_NUM_ENV]; /* r */ + + unsigned char numNoiseFloors; /* L_Q */ + unsigned char noiseTimeBorder[MAX_NUM_NOISE_FLOORS + 1]; /* t_Q */ + + unsigned char numEnvPrev; + unsigned char numNoiseFloorsPrev; + unsigned char freqResPrev; +} SBRGrid; + +/* need one SBRFreq per element (SCE/CPE/LFE), updated only on header reset */ +typedef struct _SBRFreq { + int kStart; /* k_x */ + int nMaster; + int nHigh; + int nLow; + int nLimiter; /* N_l */ + int numQMFBands; /* M */ + int numNoiseFloorBands; /* Nq */ + + int kStartPrev; + int numQMFBandsPrev; + + unsigned char freqMaster[MAX_QMF_BANDS + 1]; /* not necessary to save this after derived tables are generated */ + unsigned char freqHigh[MAX_QMF_BANDS + 1]; + unsigned char freqLow[MAX_QMF_BANDS / 2 + 1]; /* nLow = nHigh - (nHigh >> 1) */ + unsigned char freqNoise[MAX_NUM_NOISE_FLOOR_BANDS + 1]; + unsigned char freqLimiter[MAX_QMF_BANDS / 2 + MAX_NUM_PATCHES]; /* max (intermediate) size = nLow + numPatches - 1 */ + + unsigned char numPatches; + unsigned char patchNumSubbands[MAX_NUM_PATCHES + 1]; + unsigned char patchStartSubband[MAX_NUM_PATCHES + 1]; +} SBRFreq; + +typedef struct _SBRChan { + int reset; + unsigned char deltaFlagEnv[MAX_NUM_ENV]; + unsigned char deltaFlagNoise[MAX_NUM_NOISE_FLOORS]; + + signed char envDataQuant[MAX_NUM_ENV][MAX_QMF_BANDS]; /* range = [0, 127] */ + signed char noiseDataQuant[MAX_NUM_NOISE_FLOORS][MAX_NUM_NOISE_FLOOR_BANDS]; + + unsigned char invfMode[2][MAX_NUM_NOISE_FLOOR_BANDS]; /* invfMode[0/1][band] = prev/curr */ + int chirpFact[MAX_NUM_NOISE_FLOOR_BANDS]; /* bwArray */ + unsigned char addHarmonicFlag[2]; /* addHarmonicFlag[0/1] = prev/curr */ + unsigned char addHarmonic[2][64]; /* addHarmonic[0/1][band] = prev/curr */ + + int gbMask[2]; /* gbMask[0/1] = XBuf[0-31]/XBuf[32-39] */ + signed char laPrev; + + int noiseTabIndex; + int sinIndex; + int gainNoiseIndex; + int gTemp[MAX_NUM_SMOOTH_COEFS][MAX_QMF_BANDS]; + int qTemp[MAX_NUM_SMOOTH_COEFS][MAX_QMF_BANDS]; + +} SBRChan; + +typedef struct _PSInfoSBR { + /* save for entire file */ + int frameCount; + int sampRateIdx; + + /* state info that must be saved for each channel */ + SBRHeader sbrHdr[AAC_MAX_NCHANS]; + SBRGrid sbrGrid[AAC_MAX_NCHANS]; + SBRFreq sbrFreq[AAC_MAX_NCHANS]; + SBRChan sbrChan[AAC_MAX_NCHANS]; + + /* temp variables, no need to save between blocks */ + unsigned char dataExtra; + unsigned char resBitsData; + unsigned char extendedDataPresent; + int extendedDataSize; + + signed char envDataDequantScale[MAX_NCHANS_ELEM][MAX_NUM_ENV]; + int envDataDequant[MAX_NCHANS_ELEM][MAX_NUM_ENV][MAX_QMF_BANDS]; + int noiseDataDequant[MAX_NCHANS_ELEM][MAX_NUM_NOISE_FLOORS][MAX_NUM_NOISE_FLOOR_BANDS]; + + int eCurr[MAX_QMF_BANDS]; + unsigned char eCurrExp[MAX_QMF_BANDS]; + unsigned char eCurrExpMax; + signed char la; + + int crcCheckWord; + int couplingFlag; + int envBand; + int eOMGainMax; + int gainMax; + int gainMaxFBits; + int noiseFloorBand; + int qp1Inv; + int qqp1Inv; + int sMapped; + int sBand; + int highBand; + + int sumEOrigMapped; + int sumECurrGLim; + int sumSM; + int sumQM; + int gLimBoost[MAX_QMF_BANDS]; + int qmLimBoost[MAX_QMF_BANDS]; + int smBoost[MAX_QMF_BANDS]; + + int smBuf[MAX_QMF_BANDS]; + int qmLimBuf[MAX_QMF_BANDS]; + int gLimBuf[MAX_QMF_BANDS]; + int gLimFbits[MAX_QMF_BANDS]; + + int gFiltLast[MAX_QMF_BANDS]; + int qFiltLast[MAX_QMF_BANDS]; + + /* large buffers */ + int delayIdxQMFA[AAC_MAX_NCHANS]; + int delayQMFA[AAC_MAX_NCHANS][DELAY_SAMPS_QMFA]; + int delayIdxQMFS[AAC_MAX_NCHANS]; + int delayQMFS[AAC_MAX_NCHANS][DELAY_SAMPS_QMFS]; + int XBufDelay[AAC_MAX_NCHANS][HF_GEN][64][2]; + int XBuf[32 + 8][64][2]; + +} PSInfoSBR; + +/* sbrfft.c */ +void FFT32C(int *x); + +/* sbrfreq.c */ +int CalcFreqTables(SBRHeader *sbrHdr, SBRFreq *sbrFreq, int sampRateIdx); + +/* sbrhfadj.c */ +int AdjustHighFreq(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch); + +/* sbrhfgen.c */ +int GenerateHighFreq(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch); + +/* sbrhuff.c */ +int DecodeSBREnvelope(BitStreamInfo *bsi, PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch); +int DecodeSBRNoise(BitStreamInfo *bsi, PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch); +void UncoupleSBREnvelope(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChanR); +void UncoupleSBRNoise(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChanR); + +/* sbrmath.c */ +int InvRNormalized(int r); +int RatioPowInv(int a, int b, int c); +int SqrtFix(int x, int fBitsIn, int *fBitsOut); + +/* sbrqmf.c */ +int QMFAnalysis(int *inbuf, int *delay, int *XBuf, int fBitsIn, int *delayIdx, int qmfaBands); +void QMFSynthesis(int *inbuf, int *delay, int *delayIdx, int qmfsBands, short *outbuf, int nChans); + +/* sbrside.c */ +int GetSampRateIdx(int sampRate); +int UnpackSBRHeader(BitStreamInfo *bsi, SBRHeader *sbrHdr); +int UnpackSBRSingleChannel(BitStreamInfo *bsi, PSInfoSBR *psi, int chOut); +int UnpackSBRChannelPair(BitStreamInfo *bsi, PSInfoSBR *psi, int chOut); + +/* sbrtabs.c */ +extern const unsigned char k0Tab[NUM_SAMPLE_RATES_SBR][16]; +extern const unsigned char k2Tab[NUM_SAMPLE_RATES_SBR][14]; +extern const unsigned char goalSBTab[NUM_SAMPLE_RATES_SBR]; +extern const HuffInfo huffTabSBRInfo[10]; +extern const signed short huffTabSBR[604]; +extern const int log2Tab[65]; +extern const int noiseTab[512 * 2]; +extern const int cTabA[165]; +extern const int cTabS[640]; + +#endif /* _SBR_H */ diff --git a/audio_codec/wfd_aac_decoder/sbrfft.c b/audio_codec/wfd_aac_decoder/sbrfft.c new file mode 100644 index 0000000..2f74fc5 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/sbrfft.c @@ -0,0 +1,368 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrfft.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * sbrfft.c - optimized FFT for SBR QMF filters + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +#define SQRT1_2 0x5a82799a + +/* swap RE{p0} with RE{p1} and IM{P0} with IM{P1} */ +#define swapcplx(p0,p1) \ + t = p0; t1 = *(&(p0)+1); p0 = p1; *(&(p0)+1) = *(&(p1)+1); p1 = t; *(&(p1)+1) = t1 + +/* nfft = 32, hard coded since small, fixed size FFT +static const unsigned char bitrevtab32[9] = { + 0x01, 0x04, 0x03, 0x06, 0x00, 0x02, 0x05, 0x07, 0x00, +}; +*/ + +/* twiddle table for radix 4 pass, format = Q31 */ +static const int twidTabOdd32[8 * 6] = { + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x539eba45, 0xe7821d59, + 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, + 0x539eba45, 0xc4df2862, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x22a2f4f8, 0xc4df2862, + 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, + 0xac6145bb, 0x187de2a7, 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, +}; + +/************************************************************************************** + * Function: BitReverse32 + * + * Description: Ken's fast in-place bit reverse + * + * Inputs: buffer of 32 complex samples + * + * Outputs: bit-reversed samples in same buffer + * + * Return: none +**************************************************************************************/ +static void BitReverse32(int *inout) +{ + int t, t1; + + swapcplx(inout[2], inout[32]); + swapcplx(inout[4], inout[16]); + swapcplx(inout[6], inout[48]); + swapcplx(inout[10], inout[40]); + swapcplx(inout[12], inout[24]); + swapcplx(inout[14], inout[56]); + swapcplx(inout[18], inout[36]); + swapcplx(inout[22], inout[52]); + swapcplx(inout[26], inout[44]); + swapcplx(inout[30], inout[60]); + swapcplx(inout[38], inout[50]); + swapcplx(inout[46], inout[58]); +} + +/************************************************************************************** + * Function: R8FirstPass32 + * + * Description: radix-8 trivial pass for decimation-in-time FFT (log2(N) = 5) + * + * Inputs: buffer of (bit-reversed) samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 3 guard bits, gains 1 integer bit + * guard bits out = guard bits in - 3 (if inputs are full scale) + * or guard bits in - 2 (if inputs bounded to +/- sqrt(2)/2) + * see scaling comments in fft.c for base AAC + * should compile with no stack spills on ARM (verify compiled output) + * current instruction count (per pass): 16 LDR, 16 STR, 4 SMULL, 61 ALU + **************************************************************************************/ +static void R8FirstPass32(int *r0) +{ + int r1, r2, r3, r4, r5, r6, r7; + int r8, r9, r10, r11, r12, r14; + + /* number of passes = fft size / 8 = 32 / 8 = 4 */ + r1 = (32 >> 3); + do { + + r2 = r0[8]; + r3 = r0[9]; + r4 = r0[10]; + r5 = r0[11]; + r6 = r0[12]; + r7 = r0[13]; + r8 = r0[14]; + r9 = r0[15]; + + r10 = r2 + r4; + r11 = r3 + r5; + r12 = r6 + r8; + r14 = r7 + r9; + + r2 -= r4; + r3 -= r5; + r6 -= r8; + r7 -= r9; + + r4 = r2 - r7; + r5 = r2 + r7; + r8 = r3 - r6; + r9 = r3 + r6; + + r2 = r4 - r9; + r3 = r4 + r9; + r6 = r5 - r8; + r7 = r5 + r8; + + r2 = MULSHIFT32(SQRT1_2, r2); /* can use r4, r5, r8, or r9 for constant and lo32 scratch reg */ + r3 = MULSHIFT32(SQRT1_2, r3); + r6 = MULSHIFT32(SQRT1_2, r6); + r7 = MULSHIFT32(SQRT1_2, r7); + + r4 = r10 + r12; + r5 = r10 - r12; + r8 = r11 + r14; + r9 = r11 - r14; + + r10 = r0[0]; + r11 = r0[2]; + r12 = r0[4]; + r14 = r0[6]; + + r10 += r11; + r12 += r14; + + r4 >>= 1; + r10 += r12; + r4 += (r10 >> 1); + r0[ 0] = r4; + r4 -= (r10 >> 1); + r4 = (r10 >> 1) - r4; + r0[ 8] = r4; + + r9 >>= 1; + r10 -= 2 * r12; + r4 = (r10 >> 1) + r9; + r0[ 4] = r4; + r4 = (r10 >> 1) - r9; + r0[12] = r4; + r10 += r12; + + r10 -= 2 * r11; + r12 -= 2 * r14; + + r4 = r0[1]; + r9 = r0[3]; + r11 = r0[5]; + r14 = r0[7]; + + r4 += r9; + r11 += r14; + + r8 >>= 1; + r4 += r11; + r8 += (r4 >> 1); + r0[ 1] = r8; + r8 -= (r4 >> 1); + r8 = (r4 >> 1) - r8; + r0[ 9] = r8; + + r5 >>= 1; + r4 -= 2 * r11; + r8 = (r4 >> 1) - r5; + r0[ 5] = r8; + r8 = (r4 >> 1) + r5; + r0[13] = r8; + r4 += r11; + + r4 -= 2 * r9; + r11 -= 2 * r14; + + r9 = r10 - r11; + r10 += r11; + r14 = r4 + r12; + r4 -= r12; + + r5 = (r10 >> 1) + r7; + r8 = (r4 >> 1) - r6; + r0[ 2] = r5; + r0[ 3] = r8; + + r5 = (r9 >> 1) - r2; + r8 = (r14 >> 1) - r3; + r0[ 6] = r5; + r0[ 7] = r8; + + r5 = (r10 >> 1) - r7; + r8 = (r4 >> 1) + r6; + r0[10] = r5; + r0[11] = r8; + + r5 = (r9 >> 1) + r2; + r8 = (r14 >> 1) + r3; + r0[14] = r5; + r0[15] = r8; + + r0 += 16; + r1--; + } while (r1 != 0); +} + +/************************************************************************************** + * Function: R4Core32 + * + * Description: radix-4 pass for 32-point decimation-in-time FFT + * + * Inputs: buffer of samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: gain 2 integer bits + * guard bits out = guard bits in - 1 (if inputs are full scale) + * see scaling comments in fft.c for base AAC + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + * should compile with no stack spills on ARM (verify compiled output) + * current instruction count (per pass): 16 LDR, 16 STR, 4 SMULL, 61 ALU + **************************************************************************************/ +static void R4Core32(int *r0) +{ + int r2, r3, r4, r5, r6, r7; + int r8, r9, r10, r12, r14; + int *r1; + + r1 = (int *)twidTabOdd32; + r10 = 8; + do { + /* can use r14 for lo32 scratch register in all MULSHIFT32 */ + r2 = r1[0]; + r3 = r1[1]; + r4 = r0[16]; + r5 = r0[17]; + r12 = r4 + r5; + r12 = MULSHIFT32(r3, r12); + r5 = MULSHIFT32(r2, r5) + r12; + r2 += 2 * r3; + r4 = MULSHIFT32(r2, r4) - r12; + + r2 = r1[2]; + r3 = r1[3]; + r6 = r0[32]; + r7 = r0[33]; + r12 = r6 + r7; + r12 = MULSHIFT32(r3, r12); + r7 = MULSHIFT32(r2, r7) + r12; + r2 += 2 * r3; + r6 = MULSHIFT32(r2, r6) - r12; + + r2 = r1[4]; + r3 = r1[5]; + r8 = r0[48]; + r9 = r0[49]; + r12 = r8 + r9; + r12 = MULSHIFT32(r3, r12); + r9 = MULSHIFT32(r2, r9) + r12; + r2 += 2 * r3; + r8 = MULSHIFT32(r2, r8) - r12; + + r2 = r0[0]; + r3 = r0[1]; + + r12 = r6 + r8; + r8 = r6 - r8; + r14 = r9 - r7; + r9 = r9 + r7; + + r6 = (r2 >> 2) - r4; + r7 = (r3 >> 2) - r5; + r4 += (r2 >> 2); + r5 += (r3 >> 2); + + r2 = r4 + r12; + r3 = r5 + r9; + r0[0] = r2; + r0[1] = r3; + r2 = r6 - r14; + r3 = r7 - r8; + r0[16] = r2; + r0[17] = r3; + r2 = r4 - r12; + r3 = r5 - r9; + r0[32] = r2; + r0[33] = r3; + r2 = r6 + r14; + r3 = r7 + r8; + r0[48] = r2; + r0[49] = r3; + + r0 += 2; + r1 += 6; + r10--; + } while (r10 != 0); +} + +/************************************************************************************** + * Function: FFT32C + * + * Description: Ken's very fast in-place radix-4 decimation-in-time FFT + * + * Inputs: buffer of 32 complex samples (before bit-reversal) + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: assumes 3 guard bits in, gains 3 integer bits + * guard bits out = guard bits in - 2 + * (guard bit analysis includes assumptions about steps immediately + * before and after, i.e. PreMul and PostMul for DCT) + **************************************************************************************/ +void FFT32C(int *x) +{ + /* decimation in time */ + BitReverse32(x); + + /* 32-point complex FFT */ + R8FirstPass32(x); /* gain 1 int bit, lose 2 GB (making assumptions about input) */ + R4Core32(x); /* gain 2 int bits, lose 0 GB (making assumptions about input) */ +} diff --git a/audio_codec/wfd_aac_decoder/sbrfreq.c b/audio_codec/wfd_aac_decoder/sbrfreq.c new file mode 100644 index 0000000..5d4b331 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/sbrfreq.c @@ -0,0 +1,673 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrfreq.c,v 1.2 2005/05/20 18:05:41 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrfreq.c - frequency band table calculation for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +/************************************************************************************** + * Function: BubbleSort + * + * Description: in-place sort of unsigned chars + * + * Inputs: buffer of elements to sort + * number of elements to sort + * + * Outputs: sorted buffer + * + * Return: none + **************************************************************************************/ +static void BubbleSort(unsigned char *v, int nItems) +{ + int i; + unsigned char t; + + while (nItems >= 2) { + for (i = 0; i < nItems - 1; i++) { + if (v[i + 1] < v[i]) { + t = v[i + 1]; + v[i + 1] = v[i]; + v[i] = t; + } + } + nItems--; + } +} + +/************************************************************************************** + * Function: VMin + * + * Description: find smallest element in a buffer of unsigned chars + * + * Inputs: buffer of elements to search + * number of elements to search + * + * Outputs: none + * + * Return: smallest element in buffer + **************************************************************************************/ +static unsigned char VMin(unsigned char *v, int nItems) +{ + int i; + unsigned char vMin; + + vMin = v[0]; + for (i = 1; i < nItems; i++) { + if (v[i] < vMin) { + vMin = v[i]; + } + } + return vMin; +} + +/************************************************************************************** + * Function: VMax + * + * Description: find largest element in a buffer of unsigned chars + * + * Inputs: buffer of elements to search + * number of elements to search + * + * Outputs: none + * + * Return: largest element in buffer + **************************************************************************************/ +static unsigned char VMax(unsigned char *v, int nItems) +{ + int i; + unsigned char vMax; + + vMax = v[0]; + for (i = 1; i < nItems; i++) { + if (v[i] > vMax) { + vMax = v[i]; + } + } + return vMax; +} + +/************************************************************************************** + * Function: CalcFreqMasterScaleZero + * + * Description: calculate master frequency table when freqScale == 0 + * (4.6.18.3.2.1, figure 4.39) + * + * Inputs: alterScale flag + * index of first QMF subband in master freq table (k0) + * index of last QMF subband (k2) + * + * Outputs: master frequency table + * + * Return: number of bands in master frequency table + * + * Notes: assumes k2 - k0 <= 48 and k2 >= k0 (4.6.18.3.6) + **************************************************************************************/ +static int CalcFreqMasterScaleZero(unsigned char *freqMaster, int alterScale, int k0, int k2) +{ + int nMaster, k, nBands, k2Achieved, dk, vDk[64], k2Diff; + + if (alterScale) { + dk = 2; + nBands = 2 * ((k2 - k0 + 2) >> 2); + } else { + dk = 1; + nBands = 2 * ((k2 - k0) >> 1); + } + + if (nBands <= 0) { + return 0; + } + + k2Achieved = k0 + nBands * dk; + k2Diff = k2 - k2Achieved; + for (k = 0; k < nBands; k++) { + vDk[k] = dk; + } + + if (k2Diff > 0) { + k = nBands - 1; + while (k2Diff) { + vDk[k]++; + k--; + k2Diff--; + } + } else if (k2Diff < 0) { + k = 0; + while (k2Diff) { + vDk[k]--; + k++; + k2Diff++; + } + } + + nMaster = nBands; + freqMaster[0] = k0; + for (k = 1; k <= nBands; k++) { + freqMaster[k] = freqMaster[k - 1] + vDk[k - 1]; + } + + return nMaster; +} + +/* mBandTab[i] = temp1[i] / 2 */ +static const int mBandTab[3] = {6, 5, 4}; + +/* invWarpTab[i] = 1.0 / temp2[i], Q30 (see 4.6.18.3.2.1) */ +static const int invWarpTab[2] = {0x40000000, 0x313b13b1}; + +/************************************************************************************** + * Function: CalcFreqMasterScale + * + * Description: calculate master frequency table when freqScale > 0 + * (4.6.18.3.2.1, figure 4.39) + * + * Inputs: alterScale flag + * freqScale flag + * index of first QMF subband in master freq table (k0) + * index of last QMF subband (k2) + * + * Outputs: master frequency table + * + * Return: number of bands in master frequency table + * + * Notes: assumes k2 - k0 <= 48 and k2 >= k0 (4.6.18.3.6) + **************************************************************************************/ +static int CalcFreqMaster(unsigned char *freqMaster, int freqScale, int alterScale, int k0, int k2) +{ + int bands, twoRegions, k, k1, t, vLast, vCurr, pCurr; + int invWarp, nBands0, nBands1, change; + unsigned char vDk1Min, vDk0Max; + unsigned char *vDelta; + + if (freqScale < 1 || freqScale > 3) { + return -1; + } + + bands = mBandTab[freqScale - 1]; + invWarp = invWarpTab[alterScale]; + + /* tested for all k0 = [5, 64], k2 = [k0, 64] */ + if (k2 * 10000 > 22449 * k0) { + twoRegions = 1; + k1 = 2 * k0; + } else { + twoRegions = 0; + k1 = k2; + } + + /* tested for all k0 = [5, 64], k1 = [k0, 64], freqScale = [1,3] */ + t = (log2Tab[k1] - log2Tab[k0]) >> 3; /* log2(k1/k0), Q28 to Q25 */ + nBands0 = 2 * (((bands * t) + (1 << 24)) >> 25); /* multiply by bands/2, round to nearest int (mBandTab has factor of 1/2 rolled in) */ + + /* tested for all valid combinations of k0, k1, nBands (from sampRate, freqScale, alterScale) + * roundoff error can be a problem with fixpt (e.g. pCurr = 12.499999 instead of 12.50003) + * because successive multiplication always undershoots a little bit, but this + * doesn't occur in any of the ratios we encounter from the valid k0/k1 bands in the spec + */ + t = RatioPowInv(k1, k0, nBands0); + pCurr = k0 << 24; + vLast = k0; + vDelta = freqMaster + 1; /* operate in-place */ + for (k = 0; k < nBands0; k++) { + pCurr = MULSHIFT32(pCurr, t) << 8; /* keep in Q24 */ + vCurr = (pCurr + (1 << 23)) >> 24; + vDelta[k] = (vCurr - vLast); + vLast = vCurr; + } + + /* sort the deltas and find max delta for first region */ + BubbleSort(vDelta, nBands0); + vDk0Max = VMax(vDelta, nBands0); + + /* fill master frequency table with bands from first region */ + freqMaster[0] = k0; + for (k = 1; k <= nBands0; k++) { + freqMaster[k] += freqMaster[k - 1]; + } + + /* if only one region, then the table is complete */ + if (!twoRegions) { + return nBands0; + } + + /* tested for all k1 = [10, 64], k2 = [k0, 64], freqScale = [1,3] */ + t = (log2Tab[k2] - log2Tab[k1]) >> 3; /* log2(k1/k0), Q28 to Q25 */ + t = MULSHIFT32(bands * t, invWarp) << 2; /* multiply by bands/2, divide by warp factor, keep Q25 */ + nBands1 = 2 * ((t + (1 << 24)) >> 25); /* round to nearest int */ + + /* see comments above for calculations in first region */ + t = RatioPowInv(k2, k1, nBands1); + pCurr = k1 << 24; + vLast = k1; + vDelta = freqMaster + nBands0 + 1; /* operate in-place */ + for (k = 0; k < nBands1; k++) { + pCurr = MULSHIFT32(pCurr, t) << 8; /* keep in Q24 */ + vCurr = (pCurr + (1 << 23)) >> 24; + vDelta[k] = (vCurr - vLast); + vLast = vCurr; + } + + /* sort the deltas, adjusting first and last if the second region has smaller deltas than the first */ + vDk1Min = VMin(vDelta, nBands1); + if (vDk1Min < vDk0Max) { + BubbleSort(vDelta, nBands1); + change = vDk0Max - vDelta[0]; + if (change > ((vDelta[nBands1 - 1] - vDelta[0]) >> 1)) { + change = ((vDelta[nBands1 - 1] - vDelta[0]) >> 1); + } + vDelta[0] += change; + vDelta[nBands1 - 1] -= change; + } + BubbleSort(vDelta, nBands1); + + /* fill master frequency table with bands from second region + * Note: freqMaster[nBands0] = k1 + */ + for (k = 1; k <= nBands1; k++) { + freqMaster[k + nBands0] += freqMaster[k + nBands0 - 1]; + } + + return (nBands0 + nBands1); +} + +/************************************************************************************** + * Function: CalcFreqHigh + * + * Description: calculate high resolution frequency table (4.6.18.3.2.2) + * + * Inputs: master frequency table + * number of bands in master frequency table + * crossover band from header + * + * Outputs: high resolution frequency table + * + * Return: number of bands in high resolution frequency table + **************************************************************************************/ +static int CalcFreqHigh(unsigned char *freqHigh, unsigned char *freqMaster, int nMaster, int crossOverBand) +{ + int k, nHigh; + + nHigh = nMaster - crossOverBand; + + for (k = 0; k <= nHigh; k++) { + freqHigh[k] = freqMaster[k + crossOverBand]; + } + + return nHigh; +} + +/************************************************************************************** + * Function: CalcFreqLow + * + * Description: calculate low resolution frequency table (4.6.18.3.2.2) + * + * Inputs: high resolution frequency table + * number of bands in high resolution frequency table + * + * Outputs: low resolution frequency table + * + * Return: number of bands in low resolution frequency table + **************************************************************************************/ +static int CalcFreqLow(unsigned char *freqLow, unsigned char *freqHigh, int nHigh) +{ + int k, nLow, oddFlag; + + nLow = nHigh - (nHigh >> 1); + freqLow[0] = freqHigh[0]; + oddFlag = nHigh & 0x01; + + for (k = 1; k <= nLow; k++) { + freqLow[k] = freqHigh[2 * k - oddFlag]; + } + + return nLow; +} + +/************************************************************************************** + * Function: CalcFreqNoise + * + * Description: calculate noise floor frequency table (4.6.18.3.2.2) + * + * Inputs: low resolution frequency table + * number of bands in low resolution frequency table + * index of starting QMF subband for SBR (kStart) + * index of last QMF subband (k2) + * number of noise bands + * + * Outputs: noise floor frequency table + * + * Return: number of bands in noise floor frequency table + **************************************************************************************/ +static int CalcFreqNoise(unsigned char *freqNoise, unsigned char *freqLow, int nLow, int kStart, int k2, int noiseBands, int *err) +{ + int i, iLast, k, nQ, lTop, lBottom; + + lTop = log2Tab[k2]; + lBottom = log2Tab[kStart]; + nQ = noiseBands * ((lTop - lBottom) >> 2); /* Q28 to Q26, noiseBands = [0,3] */ + nQ = (nQ + (1 << 25)) >> 26; + if (nQ < 1) { + nQ = 1; + } + + if (!(nQ <= MAX_NUM_NOISE_FLOOR_BANDS)) { /* required from 4.6.18.3.6 */ + *err = ERR_AAC_SPEC_NOT_MATCH; + return ERR_AAC_SPEC_NOT_MATCH; + } + + iLast = 0; + freqNoise[0] = freqLow[0]; + for (k = 1; k <= nQ; k++) { + i = iLast + (nLow - iLast) / (nQ + 1 - k); /* truncating division */ + freqNoise[k] = freqLow[i]; + iLast = i; + } + + return nQ; +} + +/************************************************************************************** + * Function: BuildPatches + * + * Description: build high frequency patches (4.6.18.6.3) + * + * Inputs: master frequency table + * number of bands in low resolution frequency table + * index of first QMF subband in master freq table (k0) + * index of starting QMF subband for SBR (kStart) + * number of QMF bands in high resolution frequency table + * sample rate index + * + * Outputs: starting subband for each patch + * number of subbands in each patch + * + * Return: number of patches + **************************************************************************************/ +static int BuildPatches(unsigned char *patchNumSubbands, unsigned char *patchStartSubband, unsigned char *freqMaster, + int nMaster, int k0, int kStart, int numQMFBands, int sampRateIdx) +{ + int i, j, k; + int msb, sb, usb, numPatches, goalSB, oddFlag; + + msb = k0; + usb = kStart; + numPatches = 0; + goalSB = goalSBTab[sampRateIdx]; + + if (nMaster == 0) { + patchNumSubbands[0] = 0; + patchStartSubband[0] = 0; + return 0; + } + + if (goalSB < kStart + numQMFBands) { + k = 0; + for (i = 0; freqMaster[i] < goalSB; i++) { + k = i + 1; + } + } else { + k = nMaster; + } + + do { + j = k + 1; + do { + j--; + sb = freqMaster[j]; + oddFlag = (sb - 2 + k0) & 0x01; + } while (sb > k0 - 1 + msb - oddFlag); + + patchNumSubbands[numPatches] = MAX(sb - usb, 0); + patchStartSubband[numPatches] = k0 - oddFlag - patchNumSubbands[numPatches]; + + /* from MPEG reference code - slightly different from spec */ + if ((patchNumSubbands[numPatches] < 3) && (numPatches > 0)) { + break; + } + + if (patchNumSubbands[numPatches] > 0) { + usb = sb; + msb = sb; + numPatches++; + } else { + msb = kStart; + } + + if (freqMaster[k] - sb < 3) { + k = nMaster; + } + + } while (sb != (kStart + numQMFBands) && numPatches <= MAX_NUM_PATCHES); + + return numPatches; +} + +/************************************************************************************** + * Function: FindFreq + * + * Description: search buffer of unsigned chars for a specific value + * + * Inputs: buffer of elements to search + * number of elements to search + * value to search for + * + * Outputs: none + * + * Return: non-zero if the value is found anywhere in the buffer, zero otherwise + **************************************************************************************/ +static int FindFreq(unsigned char *freq, int nFreq, unsigned char val) +{ + int k; + + for (k = 0; k < nFreq; k++) { + if (freq[k] == val) { + return 1; + } + } + + return 0; +} + +/************************************************************************************** + * Function: RemoveFreq + * + * Description: remove one element from a buffer of unsigned chars + * + * Inputs: buffer of elements + * number of elements + * index of element to remove + * + * Outputs: new buffer of length nFreq-1 + * + * Return: none + **************************************************************************************/ +static void RemoveFreq(unsigned char *freq, int nFreq, int removeIdx) +{ + int k; + + if (removeIdx >= nFreq) { + return; + } + + for (k = removeIdx; k < nFreq - 1; k++) { + freq[k] = freq[k + 1]; + } +} + +/************************************************************************************** + * Function: CalcFreqLimiter + * + * Description: calculate limiter frequency table (4.6.18.3.2.3) + * + * Inputs: number of subbands in each patch + * low resolution frequency table + * number of bands in low resolution frequency table + * index of starting QMF subband for SBR (kStart) + * number of limiter bands + * number of patches + * + * Outputs: limiter frequency table + * + * Return: number of bands in limiter frequency table + **************************************************************************************/ +static int CalcFreqLimiter(unsigned char *freqLimiter, unsigned char *patchNumSubbands, unsigned char *freqLow, + int nLow, int kStart, int limiterBands, int numPatches) +{ + int k, bands, nLimiter, nOctaves; + int limBandsPerOctave[3] = {120, 200, 300}; /* [1.2, 2.0, 3.0] * 100 */ + unsigned char patchBorders[MAX_NUM_PATCHES + 1]; + + /* simple case */ + if (limiterBands == 0) { + freqLimiter[0] = freqLow[0] - kStart; + freqLimiter[1] = freqLow[nLow] - kStart; + return 1; + } + + bands = limBandsPerOctave[limiterBands - 1]; + patchBorders[0] = kStart; + + /* from MPEG reference code - slightly different from spec (top border) */ + for (k = 1; k < numPatches; k++) { + patchBorders[k] = patchBorders[k - 1] + patchNumSubbands[k - 1]; + } + patchBorders[k] = freqLow[nLow]; + + for (k = 0; k <= nLow; k++) { + freqLimiter[k] = freqLow[k]; + } + + for (k = 1; k < numPatches; k++) { + freqLimiter[k + nLow] = patchBorders[k]; + } + + k = 1; + nLimiter = nLow + numPatches - 1; + BubbleSort(freqLimiter, nLimiter + 1); + + while (k <= nLimiter) { + nOctaves = log2Tab[freqLimiter[k]] - log2Tab[freqLimiter[k - 1]]; /* Q28 */ + nOctaves = (nOctaves >> 9) * bands; /* Q19, max bands = 300 < 2^9 */ + if (nOctaves < (49 << 19)) { /* compare with 0.49*100, in Q19 */ + if (freqLimiter[k] == freqLimiter[k - 1] || FindFreq(patchBorders, numPatches + 1, freqLimiter[k]) == 0) { + RemoveFreq(freqLimiter, nLimiter + 1, k); + nLimiter--; + } else if (FindFreq(patchBorders, numPatches + 1, freqLimiter[k - 1]) == 0) { + RemoveFreq(freqLimiter, nLimiter + 1, k - 1); + nLimiter--; + } else { + k++; + } + } else { + k++; + } + } + + /* store limiter boundaries as offsets from kStart */ + for (k = 0; k <= nLimiter; k++) { + freqLimiter[k] -= kStart; + } + + return nLimiter; +} + +/************************************************************************************** + * Function: CalcFreqTables + * + * Description: calulate master and derived frequency tables, and patches + * + * Inputs: initialized SBRHeader struct for this SCE/CPE block + * initialized SBRFreq struct for this SCE/CPE block + * sample rate index of output sample rate (after SBR) + * + * Outputs: master and derived frequency tables, and patches + * + * Return: non-zero if error, zero otherwise + **************************************************************************************/ +int CalcFreqTables(SBRHeader *sbrHdr, SBRFreq *sbrFreq, int sampRateIdx) +{ + int k0, k2; + int err = ERR_AAC_NONE; + k0 = k0Tab[sampRateIdx][sbrHdr->startFreq]; + + if (sbrHdr->stopFreq == 14) { + k2 = 2 * k0; + } else if (sbrHdr->stopFreq == 15) { + k2 = 3 * k0; + } else { + k2 = k2Tab[sampRateIdx][sbrHdr->stopFreq]; + } + if (k2 > 64) { + k2 = 64; + } + + /* calculate master frequency table */ + if (sbrHdr->freqScale == 0) { + sbrFreq->nMaster = CalcFreqMasterScaleZero(sbrFreq->freqMaster, sbrHdr->alterScale, k0, k2); + } else { + sbrFreq->nMaster = CalcFreqMaster(sbrFreq->freqMaster, sbrHdr->freqScale, sbrHdr->alterScale, k0, k2); + } + + /* calculate high frequency table and related parameters */ + sbrFreq->nHigh = CalcFreqHigh(sbrFreq->freqHigh, sbrFreq->freqMaster, sbrFreq->nMaster, sbrHdr->crossOverBand); + sbrFreq->numQMFBands = sbrFreq->freqHigh[sbrFreq->nHigh] - sbrFreq->freqHigh[0]; + sbrFreq->kStart = sbrFreq->freqHigh[0]; + + /* calculate low frequency table */ + sbrFreq->nLow = CalcFreqLow(sbrFreq->freqLow, sbrFreq->freqHigh, sbrFreq->nHigh); + + /* calculate noise floor frequency table */ + sbrFreq->numNoiseFloorBands = CalcFreqNoise(sbrFreq->freqNoise, sbrFreq->freqLow, sbrFreq->nLow, sbrFreq->kStart, k2, sbrHdr->noiseBands, &err); + if (err) { + return err; + } + + /* calculate limiter table */ + sbrFreq->numPatches = BuildPatches(sbrFreq->patchNumSubbands, sbrFreq->patchStartSubband, sbrFreq->freqMaster, + sbrFreq->nMaster, k0, sbrFreq->kStart, sbrFreq->numQMFBands, sampRateIdx); + sbrFreq->nLimiter = CalcFreqLimiter(sbrFreq->freqLimiter, sbrFreq->patchNumSubbands, sbrFreq->freqLow, sbrFreq->nLow, sbrFreq->kStart, + sbrHdr->limiterBands, sbrFreq->numPatches); + + return ERR_AAC_NONE; +} diff --git a/audio_codec/wfd_aac_decoder/sbrhfadj.c b/audio_codec/wfd_aac_decoder/sbrhfadj.c new file mode 100644 index 0000000..d0a85ac --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/sbrhfadj.c @@ -0,0 +1,882 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrhfadj.c,v 1.1.2.3 2005/05/24 20:34:40 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrhfadj.c - high frequency adjustment for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +/* invBandTab[i] = 1.0 / (i + 1), Q31 */ +static const int invBandTab[64] = { + 0x7fffffff, 0x40000000, 0x2aaaaaab, 0x20000000, 0x1999999a, 0x15555555, 0x12492492, 0x10000000, + 0x0e38e38e, 0x0ccccccd, 0x0ba2e8ba, 0x0aaaaaab, 0x09d89d8a, 0x09249249, 0x08888889, 0x08000000, + 0x07878788, 0x071c71c7, 0x06bca1af, 0x06666666, 0x06186186, 0x05d1745d, 0x0590b216, 0x05555555, + 0x051eb852, 0x04ec4ec5, 0x04bda12f, 0x04924925, 0x0469ee58, 0x04444444, 0x04210842, 0x04000000, + 0x03e0f83e, 0x03c3c3c4, 0x03a83a84, 0x038e38e4, 0x03759f23, 0x035e50d8, 0x03483483, 0x03333333, + 0x031f3832, 0x030c30c3, 0x02fa0be8, 0x02e8ba2f, 0x02d82d83, 0x02c8590b, 0x02b93105, 0x02aaaaab, + 0x029cbc15, 0x028f5c29, 0x02828283, 0x02762762, 0x026a439f, 0x025ed098, 0x0253c825, 0x02492492, + 0x023ee090, 0x0234f72c, 0x022b63cc, 0x02222222, 0x02192e2a, 0x02108421, 0x02082082, 0x02000000, +}; + +/************************************************************************************** + * Function: EstimateEnvelope + * + * Description: estimate power of generated HF QMF bands in one time-domain envelope + * (4.6.18.7.3) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * index of current envelope + * + * Outputs: power of each QMF subband, stored as integer (Q0) * 2^N, N >= 0 + * + * Return: none + **************************************************************************************/ +static void EstimateEnvelope(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, int env) +{ + int i, m, iStart, iEnd, xre, xim, nScale, expMax; + int p, n, mStart, mEnd, invFact, t; + int *XBuf; + U64 eCurr; + unsigned char *freqBandTab; + + /* estimate current envelope */ + iStart = sbrGrid->envTimeBorder[env] + HF_ADJ; + iEnd = sbrGrid->envTimeBorder[env + 1] + HF_ADJ; + if (sbrGrid->freqRes[env]) { + n = sbrFreq->nHigh; + freqBandTab = sbrFreq->freqHigh; + } else { + n = sbrFreq->nLow; + freqBandTab = sbrFreq->freqLow; + } + + /* ADS should inline MADD64 (smlal) properly, but check to make sure */ + expMax = 0; + if (sbrHdr->interpFreq) { + for (m = 0; m < sbrFreq->numQMFBands; m++) { + eCurr.w64 = 0; + XBuf = psi->XBuf[iStart][sbrFreq->kStart + m]; + for (i = iStart; i < iEnd; i++) { + /* scale to int before calculating power (precision not critical, and avoids overflow) */ + xre = (*XBuf) >> FBITS_OUT_QMFA; + XBuf += 1; + xim = (*XBuf) >> FBITS_OUT_QMFA; + XBuf += (2 * 64 - 1); + eCurr.w64 = MADD64(eCurr.w64, xre, xre); + eCurr.w64 = MADD64(eCurr.w64, xim, xim); + } + + /* eCurr.w64 is now Q(64 - 2*FBITS_OUT_QMFA) (64-bit word) + * if energy is too big to fit in 32-bit word (> 2^31) scale down by power of 2 + */ + nScale = 0; + if (eCurr.r.hi32) { + nScale = (32 - CLZ(eCurr.r.hi32)) + 1; + t = (int)(eCurr.r.lo32 >> nScale); /* logical (unsigned) >> */ + t |= eCurr.r.hi32 << (32 - nScale); + } else if (eCurr.r.lo32 >> 31) { + nScale = 1; + t = (int)(eCurr.r.lo32 >> nScale); /* logical (unsigned) >> */ + } else { + t = (int)eCurr.r.lo32; + } + + invFact = invBandTab[(iEnd - iStart) - 1]; + psi->eCurr[m] = MULSHIFT32(t, invFact); + psi->eCurrExp[m] = nScale + 1; /* +1 for invFact = Q31 */ + if (psi->eCurrExp[m] > expMax) { + expMax = psi->eCurrExp[m]; + } + } + } else { + for (p = 0; p < n; p++) { + mStart = freqBandTab[p]; + mEnd = freqBandTab[p + 1]; + eCurr.w64 = 0; + for (i = iStart; i < iEnd; i++) { + XBuf = psi->XBuf[i][mStart]; + for (m = mStart; m < mEnd; m++) { + xre = (*XBuf++) >> FBITS_OUT_QMFA; + xim = (*XBuf++) >> FBITS_OUT_QMFA; + eCurr.w64 = MADD64(eCurr.w64, xre, xre); + eCurr.w64 = MADD64(eCurr.w64, xim, xim); + } + } + + nScale = 0; + if (eCurr.r.hi32) { + nScale = (32 - CLZ(eCurr.r.hi32)) + 1; + t = (int)(eCurr.r.lo32 >> nScale); /* logical (unsigned) >> */ + t |= eCurr.r.hi32 << (32 - nScale); + } else if (eCurr.r.lo32 >> 31) { + nScale = 1; + t = (int)(eCurr.r.lo32 >> nScale); /* logical (unsigned) >> */ + } else { + t = (int)eCurr.r.lo32; + } + + invFact = invBandTab[(iEnd - iStart) - 1]; + invFact = MULSHIFT32(invBandTab[(mEnd - mStart) - 1], invFact) << 1; + t = MULSHIFT32(t, invFact); + + for (m = mStart; m < mEnd; m++) { + psi->eCurr[m - sbrFreq->kStart] = t; + psi->eCurrExp[m - sbrFreq->kStart] = nScale + 1; /* +1 for invFact = Q31 */ + } + if (psi->eCurrExp[mStart - sbrFreq->kStart] > expMax) { + expMax = psi->eCurrExp[mStart - sbrFreq->kStart]; + } + } + } + psi->eCurrExpMax = expMax; +} + +/************************************************************************************** + * Function: GetSMapped + * + * Description: calculate SMapped (4.6.18.7.2) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current envelope + * index of current QMF band + * la flag for this envelope + * + * Outputs: none + * + * Return: 1 if a sinusoid is present in this band, 0 if not + **************************************************************************************/ +static int GetSMapped(SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int env, int band, int la) +{ + int bandStart, bandEnd, oddFlag, r; + + if (sbrGrid->freqRes[env]) { + /* high resolution */ + bandStart = band; + bandEnd = band + 1; + } else { + /* low resolution (see CalcFreqLow() for mapping) */ + oddFlag = sbrFreq->nHigh & 0x01; + bandStart = (band > 0 ? 2 * band - oddFlag : 0); /* starting index for freqLow[band] */ + bandEnd = 2 * (band + 1) - oddFlag; /* ending index for freqLow[band+1] */ + } + + /* sMapped = 1 if sIndexMapped == 1 for any frequency in this band */ + for (band = bandStart; band < bandEnd; band++) { + if (sbrChan->addHarmonic[1][band]) { + r = ((sbrFreq->freqHigh[band + 1] + sbrFreq->freqHigh[band]) >> 1); + if (env >= la || sbrChan->addHarmonic[0][r] == 1) { + return 1; + } + } + } + return 0; +} + +#define GBOOST_MAX 0x2830afd3 /* Q28, 1.584893192 squared */ +#define ACC_SCALE 6 + +/* squared version of table in 4.6.18.7.5 */ +static const int limGainTab[4] = {0x20138ca7, 0x40000000, 0x7fb27dce, 0x80000000}; /* Q30 (0x80000000 = sentinel for GMAX) */ + +/************************************************************************************** + * Function: CalcMaxGain + * + * Description: calculate max gain in one limiter band (4.6.18.7.5) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * index of current channel (0 for SCE, 0 or 1 for CPE) + * index of current envelope + * index of current limiter band + * number of fraction bits in dequantized envelope + * (max = Q(FBITS_OUT_DQ_ENV - 6) = Q23, can go negative) + * + * Outputs: updated gainMax, gainMaxFBits, and sumEOrigMapped in PSInfoSBR struct + * + * Return: none + **************************************************************************************/ +static void CalcMaxGain(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, int ch, int env, int lim, int fbitsDQ) +{ + int m, mStart, mEnd, q, z, r; + int sumEOrigMapped, sumECurr, gainMax, eOMGainMax, envBand; + unsigned char eCurrExpMax; + unsigned char *freqBandTab; + + mStart = sbrFreq->freqLimiter[lim]; /* these are offsets from kStart */ + mEnd = sbrFreq->freqLimiter[lim + 1]; + freqBandTab = (sbrGrid->freqRes[env] ? sbrFreq->freqHigh : sbrFreq->freqLow); + + /* calculate max gain to apply to signal in this limiter band */ + sumECurr = 0; + sumEOrigMapped = 0; + eCurrExpMax = psi->eCurrExpMax; + eOMGainMax = psi->eOMGainMax; + envBand = psi->envBand; + for (m = mStart; m < mEnd; m++) { + /* map current QMF band to appropriate envelope band */ + if (m == freqBandTab[envBand + 1] - sbrFreq->kStart) { + envBand++; + eOMGainMax = psi->envDataDequant[ch][env][envBand] >> ACC_SCALE; /* summing max 48 bands */ + } + sumEOrigMapped += eOMGainMax; + + /* easy test for overflow on ARM */ + sumECurr += (psi->eCurr[m] >> (eCurrExpMax - psi->eCurrExp[m])); + if (sumECurr >> 30) { + sumECurr >>= 1; + eCurrExpMax++; + } + } + psi->eOMGainMax = eOMGainMax; + psi->envBand = envBand; + + psi->gainMaxFBits = 30; /* Q30 tables */ + if (sumECurr == 0) { + /* any non-zero numerator * 1/EPS_0 is > G_MAX */ + gainMax = (sumEOrigMapped == 0 ? limGainTab[sbrHdr->limiterGains] : 0x80000000); + } else if (sumEOrigMapped == 0) { + /* 1/(any non-zero denominator) * EPS_0 * limGainTab[x] is appx. 0 */ + gainMax = 0; + } else { + /* sumEOrigMapped = Q(fbitsDQ - ACC_SCALE), sumECurr = Q(-eCurrExpMax) */ + gainMax = limGainTab[sbrHdr->limiterGains]; + if (sbrHdr->limiterGains != 3) { + q = MULSHIFT32(sumEOrigMapped, gainMax); /* Q(fbitsDQ - ACC_SCALE - 2), gainMax = Q30 */ + z = CLZ(sumECurr) - 1; + r = InvRNormalized(sumECurr << z); /* in = Q(z - eCurrExpMax), out = Q(29 + 31 - z + eCurrExpMax) */ + gainMax = MULSHIFT32(q, r); /* Q(29 + 31 - z + eCurrExpMax + fbitsDQ - ACC_SCALE - 2 - 32) */ + psi->gainMaxFBits = 26 - z + eCurrExpMax + fbitsDQ - ACC_SCALE; + } + } + psi->sumEOrigMapped = sumEOrigMapped; + psi->gainMax = gainMax; +} + +/************************************************************************************** + * Function: CalcNoiseDivFactors + * + * Description: calculate 1/(1+Q) and Q/(1+Q) (4.6.18.7.4; 4.6.18.7.5) + * + * Inputs: dequantized noise floor scalefactor + * + * Outputs: 1/(1+Q) and Q/(1+Q), format = Q31 + * + * Return: none + **************************************************************************************/ +static void CalcNoiseDivFactors(int q, int *qp1Inv, int *qqp1Inv) +{ + int z, qp1, t, s; + + /* 1 + Q_orig */ + qp1 = (q >> 1); + qp1 += (1 << (FBITS_OUT_DQ_NOISE - 1)); /* >> 1 to avoid overflow when adding 1.0 */ + z = CLZ(qp1) - 1; /* z <= 31 - FBITS_OUT_DQ_NOISE */ + qp1 <<= z; /* Q(FBITS_OUT_DQ_NOISE + z) = Q31 * 2^-(31 - (FBITS_OUT_DQ_NOISE + z)) */ + t = InvRNormalized(qp1) << 1; /* Q30 * 2^(31 - (FBITS_OUT_DQ_NOISE + z)), guaranteed not to overflow */ + + /* normalize to Q31 */ + s = (31 - (FBITS_OUT_DQ_NOISE - 1) - z - 1); /* clearly z >= 0, z <= (30 - (FBITS_OUT_DQ_NOISE - 1)) */ + *qp1Inv = (t >> s); /* s = [0, 31 - FBITS_OUT_DQ_NOISE] */ + *qqp1Inv = MULSHIFT32(t, q) << (32 - FBITS_OUT_DQ_NOISE - s); +} + +/************************************************************************************** + * Function: CalcComponentGains + * + * Description: calculate gain of envelope, sinusoids, and noise in one limiter band + * (4.6.18.7.5) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * index of current envelope + * index of current limiter band + * number of fraction bits in dequantized envelope + * + * Outputs: gains for envelope, sinusoids and noise + * number of fraction bits for envelope gain + * sum of the total gain for each component in this band + * other updated state variables + * + * Return: none + **************************************************************************************/ +static void CalcComponentGains(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch, int env, int lim, int fbitsDQ) +{ + int d, m, mStart, mEnd, q, qm, noiseFloor, sIndexMapped; + int shift, eCurr, maxFlag, gainMax, gainMaxFBits; + int gain, sm, z, r, fbitsGain, gainScale; + unsigned char *freqBandTab; + + mStart = sbrFreq->freqLimiter[lim]; /* these are offsets from kStart */ + mEnd = sbrFreq->freqLimiter[lim + 1]; + + gainMax = psi->gainMax; + gainMaxFBits = psi->gainMaxFBits; + + d = (env == psi->la || env == sbrChan->laPrev ? 0 : 1); + freqBandTab = (sbrGrid->freqRes[env] ? sbrFreq->freqHigh : sbrFreq->freqLow); + + /* figure out which noise floor this envelope is in (only 1 or 2 noise floors allowed) */ + noiseFloor = 0; + if (sbrGrid->numNoiseFloors == 2 && sbrGrid->noiseTimeBorder[1] <= sbrGrid->envTimeBorder[env]) { + noiseFloor++; + } + + psi->sumECurrGLim = 0; + psi->sumSM = 0; + psi->sumQM = 0; + /* calculate energy of noise to add in this limiter band */ + for (m = mStart; m < mEnd; m++) { + if (m == sbrFreq->freqNoise[psi->noiseFloorBand + 1] - sbrFreq->kStart) { + /* map current QMF band to appropriate noise floor band (NOTE: freqLimiter[0] == freqLow[0] = freqHigh[0]) */ + psi->noiseFloorBand++; + CalcNoiseDivFactors(psi->noiseDataDequant[ch][noiseFloor][psi->noiseFloorBand], &(psi->qp1Inv), &(psi->qqp1Inv)); + } + if (m == sbrFreq->freqHigh[psi->highBand + 1] - sbrFreq->kStart) { + psi->highBand++; + } + if (m == freqBandTab[psi->sBand + 1] - sbrFreq->kStart) { + psi->sBand++; + psi->sMapped = GetSMapped(sbrGrid, sbrFreq, sbrChan, env, psi->sBand, psi->la); + } + + /* get sIndexMapped for this QMF subband */ + sIndexMapped = 0; + r = ((sbrFreq->freqHigh[psi->highBand + 1] + sbrFreq->freqHigh[psi->highBand]) >> 1); + if (m + sbrFreq->kStart == r) { + /* r = center frequency, deltaStep = (env >= la || sIndexMapped'(r, numEnv'-1) == 1) */ + if (env >= psi->la || sbrChan->addHarmonic[0][r] == 1) { + sIndexMapped = sbrChan->addHarmonic[1][psi->highBand]; + } + } + + /* save sine flags from last envelope in this frame: + * addHarmonic[0][0...63] = saved sine present flag from previous frame, for each QMF subband + * addHarmonic[1][0...nHigh-1] = addHarmonic bit from current frame, for each high-res frequency band + * from MPEG reference code - slightly different from spec + * (sIndexMapped'(m,LE'-1) can still be 0 when numEnv == psi->la) + */ + if (env == sbrGrid->numEnv - 1) { + if (m + sbrFreq->kStart == r) { + sbrChan->addHarmonic[0][m + sbrFreq->kStart] = sbrChan->addHarmonic[1][psi->highBand]; + } else { + sbrChan->addHarmonic[0][m + sbrFreq->kStart] = 0; + } + } + + gain = psi->envDataDequant[ch][env][psi->sBand]; + qm = MULSHIFT32(gain, psi->qqp1Inv) << 1; + sm = (sIndexMapped ? MULSHIFT32(gain, psi->qp1Inv) << 1 : 0); + + /* three cases: (sMapped == 0 && delta == 1), (sMapped == 0 && delta == 0), (sMapped == 1) */ + if (d == 1 && psi->sMapped == 0) { + gain = MULSHIFT32(psi->qp1Inv, gain) << 1; + } else if (psi->sMapped != 0) { + gain = MULSHIFT32(psi->qqp1Inv, gain) << 1; + } + + /* gain, qm, sm = Q(fbitsDQ), gainMax = Q(fbitsGainMax) */ + eCurr = psi->eCurr[m]; + if (eCurr) { + z = CLZ(eCurr) - 1; + r = InvRNormalized(eCurr << z); /* in = Q(z - eCurrExp), out = Q(29 + 31 - z + eCurrExp) */ + gainScale = MULSHIFT32(gain, r); /* out = Q(29 + 31 - z + eCurrExp + fbitsDQ - 32) */ + fbitsGain = 29 + 31 - z + psi->eCurrExp[m] + fbitsDQ - 32; + } else { + /* if eCurr == 0, then gain is unchanged (divide by EPS = 1) */ + gainScale = gain; + fbitsGain = fbitsDQ; + } + + /* see if gain for this band exceeds max gain */ + maxFlag = 0; + if (gainMax != (int)0x80000000) { + if (fbitsGain >= gainMaxFBits) { + shift = MIN(fbitsGain - gainMaxFBits, 31); + maxFlag = ((gainScale >> shift) > gainMax ? 1 : 0); + } else { + shift = MIN(gainMaxFBits - fbitsGain, 31); + maxFlag = (gainScale > (gainMax >> shift) ? 1 : 0); + } + } + + if (maxFlag) { + /* gainScale > gainMax, calculate ratio with 32/16 division */ + q = 0; + r = gainScale; /* guaranteed > 0, else maxFlag could not have been set */ + z = CLZ(r); + if (z < 16) { + q = 16 - z; + r >>= q; /* out = Q(fbitsGain - q) */ + } + + z = CLZ(gainMax) - 1; + r = (gainMax << z) / r; /* out = Q((fbitsGainMax + z) - (fbitsGain - q)) */ + q = (gainMaxFBits + z) - (fbitsGain - q); /* r = Q(q) */ + if (q > 30) { + r >>= MIN(q - 30, 31); + } else { + z = MIN(30 - q, 30); + CLIP_2N_SHIFT30(r, z); /* let r = Q30 since range = [0.0, 1.0) (clip to 0x3fffffff = 0.99999) */ + } + + qm = MULSHIFT32(qm, r) << 2; + gain = MULSHIFT32(gain, r) << 2; + psi->gLimBuf[m] = gainMax; + psi->gLimFbits[m] = gainMaxFBits; + } else { + psi->gLimBuf[m] = gainScale; + psi->gLimFbits[m] = fbitsGain; + } + + /* sumSM, sumQM, sumECurrGLim = Q(fbitsDQ - ACC_SCALE) */ + psi->smBuf[m] = sm; + psi->sumSM += (sm >> ACC_SCALE); + + psi->qmLimBuf[m] = qm; + if (env != psi->la && env != sbrChan->laPrev && sm == 0) { + psi->sumQM += (qm >> ACC_SCALE); + } + + /* eCurr * gain^2 same as gain^2, before division by eCurr + * (but note that gain != 0 even if eCurr == 0, since it's divided by eps) + */ + if (eCurr) { + psi->sumECurrGLim += (gain >> ACC_SCALE); + } + } +} + +/************************************************************************************** + * Function: ApplyBoost + * + * Description: calculate and apply boost factor for envelope, sinusoids, and noise + * in this limiter band (4.6.18.7.5) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRFreq struct for this SCE/CPE block + * index of current limiter band + * number of fraction bits in dequantized envelope + * + * Outputs: envelope gain, sinusoids and noise after scaling by gBoost + * format = Q(FBITS_GLIM_BOOST) for envelope gain, + * = Q(FBITS_QLIM_BOOST) for noise + * = Q(FBITS_OUT_QMFA) for sinusoids + * + * Return: none + * + * Notes: after scaling, each component has at least 1 GB + **************************************************************************************/ +static void ApplyBoost(PSInfoSBR *psi, SBRFreq *sbrFreq, int lim, int fbitsDQ) +{ + int m, mStart, mEnd, q, z, r; + int sumEOrigMapped, gBoost; + + mStart = sbrFreq->freqLimiter[lim]; /* these are offsets from kStart */ + mEnd = sbrFreq->freqLimiter[lim + 1]; + + sumEOrigMapped = psi->sumEOrigMapped >> 1; + r = (psi->sumECurrGLim >> 1) + (psi->sumSM >> 1) + (psi->sumQM >> 1); /* 1 GB fine (sm and qm are mutually exclusive in acc) */ + if (r < (1 << (31 - 28))) { + /* any non-zero numerator * 1/EPS_0 is > GBOOST_MAX + * round very small r to zero to avoid scaling problems + */ + gBoost = (sumEOrigMapped == 0 ? (1 << 28) : GBOOST_MAX); + z = 0; + } else if (sumEOrigMapped == 0) { + /* 1/(any non-zero denominator) * EPS_0 is appx. 0 */ + gBoost = 0; + z = 0; + } else { + /* numerator (sumEOrigMapped) and denominator (r) have same Q format (before << z) */ + z = CLZ(r) - 1; /* z = [0, 27] */ + r = InvRNormalized(r << z); + gBoost = MULSHIFT32(sumEOrigMapped, r); + } + + /* gBoost = Q(28 - z) */ + if (gBoost > (GBOOST_MAX >> z)) { + gBoost = GBOOST_MAX; + z = 0; + } + gBoost <<= z; /* gBoost = Q28, minimum 1 GB */ + + /* convert gain, noise, sinusoids to fixed Q format, clipping if necessary + * (rare, usually only happens at very low bitrates, introduces slight + * distortion into final HF mapping, but should be inaudible) + */ + for (m = mStart; m < mEnd; m++) { + /* let gLimBoost = Q24, since in practice the max values are usually 16 to 20 + * unless limiterGains == 3 (limiter off) and eCurr ~= 0 (i.e. huge gain, but only + * because the envelope has 0 power anyway) + */ + q = MULSHIFT32(psi->gLimBuf[m], gBoost) << 2; /* Q(gLimFbits) * Q(28) --> Q(gLimFbits[m]-2) */ + r = SqrtFix(q, psi->gLimFbits[m] - 2, &z); + z -= FBITS_GLIM_BOOST; + if (z >= 0) { + psi->gLimBoost[m] = r >> MIN(z, 31); + } else { + z = MIN(30, -z); + CLIP_2N_SHIFT30(r, z); + psi->gLimBoost[m] = r; + } + + q = MULSHIFT32(psi->qmLimBuf[m], gBoost) << 2; /* Q(fbitsDQ) * Q(28) --> Q(fbitsDQ-2) */ + r = SqrtFix(q, fbitsDQ - 2, &z); + z -= FBITS_QLIM_BOOST; /* << by 14, since integer sqrt of x < 2^16, and we want to leave 1 GB */ + if (z >= 0) { + psi->qmLimBoost[m] = r >> MIN(31, z); + } else { + z = MIN(30, -z); + CLIP_2N_SHIFT30(r, z); + psi->qmLimBoost[m] = r; + } + + q = MULSHIFT32(psi->smBuf[m], gBoost) << 2; /* Q(fbitsDQ) * Q(28) --> Q(fbitsDQ-2) */ + r = SqrtFix(q, fbitsDQ - 2, &z); + z -= FBITS_OUT_QMFA; /* justify for adding to signal (xBuf) later */ + if (z >= 0) { + psi->smBoost[m] = r >> MIN(31, z); + } else { + z = MIN(30, -z); + CLIP_2N_SHIFT30(r, z); + psi->smBoost[m] = r; + } + } +} + +/************************************************************************************** + * Function: CalcGain + * + * Description: calculate and apply proper gain to HF components in one envelope + * (4.6.18.7.5) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * index of current envelope + * + * Outputs: envelope gain, sinusoids and noise after scaling + * + * Return: none + **************************************************************************************/ +static void CalcGain(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch, int env) +{ + int lim, fbitsDQ; + + /* initialize to -1 so that mapping limiter bands to env/noise bands works right on first pass */ + psi->envBand = -1; + psi->noiseFloorBand = -1; + psi->sBand = -1; + psi->highBand = -1; + + fbitsDQ = (FBITS_OUT_DQ_ENV - psi->envDataDequantScale[ch][env]); /* Q(29 - optional scalefactor) */ + for (lim = 0; lim < sbrFreq->nLimiter; lim++) { + /* the QMF bands are divided into lim regions (consecutive, non-overlapping) */ + CalcMaxGain(psi, sbrHdr, sbrGrid, sbrFreq, ch, env, lim, fbitsDQ); + CalcComponentGains(psi, sbrGrid, sbrFreq, sbrChan, ch, env, lim, fbitsDQ); + ApplyBoost(psi, sbrFreq, lim, fbitsDQ); + } +} + +/* hSmooth table from 4.7.18.7.6, format = Q31 */ +static const int hSmoothCoef[MAX_NUM_SMOOTH_COEFS] = { + 0x2aaaaaab, 0x2697a512, 0x1becfa68, 0x0ebdb043, 0x04130598, +}; + +/************************************************************************************** + * Function: MapHF + * + * Description: map HF components to proper QMF bands, with optional gain smoothing + * filter (4.6.18.7.6) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current envelope + * reset flag (can be non-zero for first envelope only) + * + * Outputs: complete reconstructed subband QMF samples for this envelope + * + * Return: none + * + * Notes: ensures that output has >= MIN_GBITS_IN_QMFS guard bits, + * so it's not necessary to check anything in the synth QMF + **************************************************************************************/ +static int MapHF(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int env, int hfReset) +{ + int noiseTabIndex, sinIndex, gainNoiseIndex, hSL; + int i, iStart, iEnd, m, idx, j, s, n, smre, smim; + int gFilt, qFilt, xre, xim, gbMask, gbIdx; + int *XBuf; + + noiseTabIndex = sbrChan->noiseTabIndex; + sinIndex = sbrChan->sinIndex; + gainNoiseIndex = sbrChan->gainNoiseIndex; /* oldest entries in filter delay buffer */ + + if (hfReset) { + noiseTabIndex = 2; /* starts at 1, double since complex */ + } + hSL = (sbrHdr->smoothMode ? 0 : 4); + + if (hfReset) { + for (i = 0; i < hSL; i++) { + for (m = 0; m < sbrFreq->numQMFBands; m++) { + sbrChan->gTemp[gainNoiseIndex][m] = psi->gLimBoost[m]; + sbrChan->qTemp[gainNoiseIndex][m] = psi->qmLimBoost[m]; + } + gainNoiseIndex++; + if (gainNoiseIndex == MAX_NUM_SMOOTH_COEFS) { + gainNoiseIndex = 0; + } + } + ASSERT(env == 0, ERR_AAC_SBR_BITSTREAM); /* should only be reset when env == 0 */ + } + + iStart = sbrGrid->envTimeBorder[env]; + iEnd = sbrGrid->envTimeBorder[env + 1]; + for (i = iStart; i < iEnd; i++) { + /* save new values in temp buffers (delay) + * we only store MAX_NUM_SMOOTH_COEFS most recent values, + * so don't keep storing the same value over and over + */ + if (i - iStart < MAX_NUM_SMOOTH_COEFS) { + for (m = 0; m < sbrFreq->numQMFBands; m++) { + sbrChan->gTemp[gainNoiseIndex][m] = psi->gLimBoost[m]; + sbrChan->qTemp[gainNoiseIndex][m] = psi->qmLimBoost[m]; + } + } + + /* see 4.6.18.7.6 */ + XBuf = psi->XBuf[i + HF_ADJ][sbrFreq->kStart]; + gbMask = 0; + for (m = 0; m < sbrFreq->numQMFBands; m++) { + if (env == psi->la || env == sbrChan->laPrev) { + /* no smoothing filter for gain, and qFilt = 0 (only need to do once) */ + if (i == iStart) { + psi->gFiltLast[m] = sbrChan->gTemp[gainNoiseIndex][m]; + psi->qFiltLast[m] = 0; + } + } else if (hSL == 0) { + /* no smoothing filter for gain, (only need to do once) */ + if (i == iStart) { + psi->gFiltLast[m] = sbrChan->gTemp[gainNoiseIndex][m]; + psi->qFiltLast[m] = sbrChan->qTemp[gainNoiseIndex][m]; + } + } else { + /* apply smoothing filter to gain and noise (after MAX_NUM_SMOOTH_COEFS, it's always the same) */ + if (i - iStart < MAX_NUM_SMOOTH_COEFS) { + gFilt = 0; + qFilt = 0; + idx = gainNoiseIndex; + for (j = 0; j < MAX_NUM_SMOOTH_COEFS; j++) { + /* sum(abs(hSmoothCoef[j])) for all j < 1.0 */ + gFilt += MULSHIFT32(sbrChan->gTemp[idx][m], hSmoothCoef[j]); + qFilt += MULSHIFT32(sbrChan->qTemp[idx][m], hSmoothCoef[j]); + idx--; + if (idx < 0) { + idx += MAX_NUM_SMOOTH_COEFS; + } + } + psi->gFiltLast[m] = gFilt << 1; /* restore to Q(FBITS_GLIM_BOOST) (gain of filter < 1.0, so no overflow) */ + psi->qFiltLast[m] = qFilt << 1; /* restore to Q(FBITS_QLIM_BOOST) */ + } + } + + if (psi->smBoost[m] != 0) { + /* add scaled signal and sinusoid, don't add noise (qFilt = 0) */ + smre = psi->smBoost[m]; + smim = smre; + + /* sinIndex: [0] xre += sm [1] xim += sm*s [2] xre -= sm [3] xim -= sm*s */ + s = (sinIndex >> 1); /* if 2 or 3, flip sign to subtract sm */ + s <<= 31; + smre ^= (s >> 31); + smre -= (s >> 31); + s ^= ((m + sbrFreq->kStart) << 31); + smim ^= (s >> 31); + smim -= (s >> 31); + + /* if sinIndex == 0 or 2, smim = 0; if sinIndex == 1 or 3, smre = 0 */ + s = sinIndex << 31; + smim &= (s >> 31); + s ^= 0x80000000; + smre &= (s >> 31); + + noiseTabIndex += 2; /* noise filtered by 0, but still need to bump index */ + } else { + /* add scaled signal and scaled noise */ + qFilt = psi->qFiltLast[m]; + n = noiseTab[noiseTabIndex++]; + smre = MULSHIFT32(n, qFilt) >> (FBITS_QLIM_BOOST - 1 - FBITS_OUT_QMFA); + + n = noiseTab[noiseTabIndex++]; + smim = MULSHIFT32(n, qFilt) >> (FBITS_QLIM_BOOST - 1 - FBITS_OUT_QMFA); + } + noiseTabIndex &= 1023; /* 512 complex numbers */ + + gFilt = psi->gFiltLast[m]; + xre = MULSHIFT32(gFilt, XBuf[0]); + xim = MULSHIFT32(gFilt, XBuf[1]); + CLIP_2N_SHIFT30(xre, 32 - FBITS_GLIM_BOOST); + CLIP_2N_SHIFT30(xim, 32 - FBITS_GLIM_BOOST); + + xre += smre; + *XBuf++ = xre; + xim += smim; + *XBuf++ = xim; + + gbMask |= FASTABS(xre); + gbMask |= FASTABS(xim); + } + /* update circular buffer index */ + gainNoiseIndex++; + if (gainNoiseIndex == MAX_NUM_SMOOTH_COEFS) { + gainNoiseIndex = 0; + } + + sinIndex++; + sinIndex &= 3; + + /* ensure MIN_GBITS_IN_QMFS guard bits in output + * almost never occurs in practice, but checking here makes synth QMF logic very simple + */ + if (gbMask >> (31 - MIN_GBITS_IN_QMFS)) { + XBuf = psi->XBuf[i + HF_ADJ][sbrFreq->kStart]; + for (m = 0; m < sbrFreq->numQMFBands; m++) { + xre = XBuf[0]; + xim = XBuf[1]; + CLIP_2N(xre, (31 - MIN_GBITS_IN_QMFS)); + CLIP_2N(xim, (31 - MIN_GBITS_IN_QMFS)); + *XBuf++ = xre; + *XBuf++ = xim; + } + CLIP_2N(gbMask, (31 - MIN_GBITS_IN_QMFS)); + } + gbIdx = ((i + HF_ADJ) >> 5) & 0x01; + sbrChan->gbMask[gbIdx] |= gbMask; + } + sbrChan->noiseTabIndex = noiseTabIndex; + sbrChan->sinIndex = sinIndex; + sbrChan->gainNoiseIndex = gainNoiseIndex; + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: AdjustHighFreq + * + * Description: adjust high frequencies and add noise and sinusoids (4.6.18.7) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRHeader struct for this SCE/CPE block + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * + * Outputs: complete reconstructed subband QMF samples for this channel + * + * Return: none + **************************************************************************************/ +int AdjustHighFreq(PSInfoSBR *psi, SBRHeader *sbrHdr, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch) +{ + int i, env, hfReset; + unsigned char frameClass, pointer; + int err = ERR_AAC_NONE; + frameClass = sbrGrid->frameClass; + pointer = sbrGrid->pointer; + + /* derive la from table 4.159 */ + if ((frameClass == SBR_GRID_FIXVAR || frameClass == SBR_GRID_VARVAR) && pointer > 0) { + psi->la = sbrGrid->numEnv + 1 - pointer; + } else if (frameClass == SBR_GRID_VARFIX && pointer > 1) { + psi->la = pointer - 1; + } else { + psi->la = -1; + } + + /* for each envelope, estimate gain and adjust SBR QMF bands */ + hfReset = sbrChan->reset; + for (env = 0; env < sbrGrid->numEnv; env++) { + EstimateEnvelope(psi, sbrHdr, sbrGrid, sbrFreq, env); + CalcGain(psi, sbrHdr, sbrGrid, sbrFreq, sbrChan, ch, env); + err = MapHF(psi, sbrHdr, sbrGrid, sbrFreq, sbrChan, env, hfReset); + if (err) { + return err; + } + hfReset = 0; /* only set for first envelope after header reset */ + } + + /* set saved sine flags to 0 for QMF bands outside of current frequency range */ + for (i = 0; i < sbrFreq->freqLimiter[0] + sbrFreq->kStart; i++) { + sbrChan->addHarmonic[0][i] = 0; + } + for (i = sbrFreq->freqLimiter[sbrFreq->nLimiter] + sbrFreq->kStart; i < 64; i++) { + sbrChan->addHarmonic[0][i] = 0; + } + sbrChan->addHarmonicFlag[0] = sbrChan->addHarmonicFlag[1]; + + /* save la for next frame */ + if (psi->la == sbrGrid->numEnv) { + sbrChan->laPrev = 0; + } else { + sbrChan->laPrev = -1; + } + return ERR_AAC_NONE; +} diff --git a/audio_codec/wfd_aac_decoder/sbrhfgen.c b/audio_codec/wfd_aac_decoder/sbrhfgen.c new file mode 100644 index 0000000..0ab7dad --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/sbrhfgen.c @@ -0,0 +1,655 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrhfgen.c,v 1.1.2.2 2005/05/19 21:00:01 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrhfgen.c - high frequency generation for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +#define FBITS_LPCOEFS 29 /* Q29 for range of (-4, 4) */ +#define MAG_16 (16 * (1 << (32 - (2*(32-FBITS_LPCOEFS))))) /* i.e. 16 in Q26 format */ +#define RELAX_COEF 0x7ffff79c /* 1.0 / (1.0 + 1e-6), Q31 */ + +/* newBWTab[prev invfMode][curr invfMode], format = Q31 (table 4.158) + * sample file which uses all of these: al_sbr_sr_64_2_fsaac32.aac + */ +static const int newBWTab[4][4] = { + {0x00000000, 0x4ccccccd, 0x73333333, 0x7d70a3d7}, + {0x4ccccccd, 0x60000000, 0x73333333, 0x7d70a3d7}, + {0x00000000, 0x60000000, 0x73333333, 0x7d70a3d7}, + {0x00000000, 0x60000000, 0x73333333, 0x7d70a3d7}, +}; + +/************************************************************************************** + * Function: CVKernel1 + * + * Description: kernel of covariance matrix calculation for p01, p11, p12, p22 + * + * Inputs: buffer of low-freq samples, starting at time index = 0, + * freq index = patch subband + * + * Outputs: 64-bit accumulators for p01re, p01im, p12re, p12im, p11re, p22re + * stored in accBuf + * + * Return: none + * + * Notes: this is carefully written to be efficient on ARM + * use the assembly code version in sbrcov.s when building for ARM! + **************************************************************************************/ +#if 0// (defined (__arm) && defined (__ARMCC_VERSION)) || (defined (_WIN32) && defined (_WIN32_WCE) && defined (ARM)) || (defined(__GNUC__) && defined(__arm__)) +#ifdef __cplusplus +extern "C" +#endif +void CVKernel1(int *XBuf, int *accBuf); +#else +void CVKernel1(int *XBuf, int *accBuf) +{ + U64 p01re, p01im, p12re, p12im, p11re, p22re; + int n, x0re, x0im, x1re, x1im; + + x0re = XBuf[0]; + x0im = XBuf[1]; + XBuf += (2 * 64); + x1re = XBuf[0]; + x1im = XBuf[1]; + XBuf += (2 * 64); + + p01re.w64 = p01im.w64 = 0; + p12re.w64 = p12im.w64 = 0; + p11re.w64 = 0; + p22re.w64 = 0; + + p12re.w64 = MADD64(p12re.w64, x1re, x0re); + p12re.w64 = MADD64(p12re.w64, x1im, x0im); + p12im.w64 = MADD64(p12im.w64, x0re, x1im); + p12im.w64 = MADD64(p12im.w64, -x0im, x1re); + p22re.w64 = MADD64(p22re.w64, x0re, x0re); + p22re.w64 = MADD64(p22re.w64, x0im, x0im); + for (n = (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6); n != 0; n--) { + /* 4 input, 3*2 acc, 1 ptr, 1 loop counter = 12 registers (use same for x0im, -x0im) */ + x0re = x1re; + x0im = x1im; + x1re = XBuf[0]; + x1im = XBuf[1]; + + p01re.w64 = MADD64(p01re.w64, x1re, x0re); + p01re.w64 = MADD64(p01re.w64, x1im, x0im); + p01im.w64 = MADD64(p01im.w64, x0re, x1im); + p01im.w64 = MADD64(p01im.w64, -x0im, x1re); + p11re.w64 = MADD64(p11re.w64, x0re, x0re); + p11re.w64 = MADD64(p11re.w64, x0im, x0im); + + XBuf += (2 * 64); + } + /* these can be derived by slight changes to account for boundary conditions */ + p12re.w64 += p01re.w64; + p12re.w64 = MADD64(p12re.w64, x1re, -x0re); + p12re.w64 = MADD64(p12re.w64, x1im, -x0im); + p12im.w64 += p01im.w64; + p12im.w64 = MADD64(p12im.w64, x0re, -x1im); + p12im.w64 = MADD64(p12im.w64, x0im, x1re); + p22re.w64 += p11re.w64; + p22re.w64 = MADD64(p22re.w64, x0re, -x0re); + p22re.w64 = MADD64(p22re.w64, x0im, -x0im); + + accBuf[0] = p01re.r.lo32; + accBuf[1] = p01re.r.hi32; + accBuf[2] = p01im.r.lo32; + accBuf[3] = p01im.r.hi32; + accBuf[4] = p11re.r.lo32; + accBuf[5] = p11re.r.hi32; + accBuf[6] = p12re.r.lo32; + accBuf[7] = p12re.r.hi32; + accBuf[8] = p12im.r.lo32; + accBuf[9] = p12im.r.hi32; + accBuf[10] = p22re.r.lo32; + accBuf[11] = p22re.r.hi32; +} +#endif + +/************************************************************************************** + * Function: CalcCovariance1 + * + * Description: calculate covariance matrix for p01, p12, p11, p22 (4.6.18.6.2) + * + * Inputs: buffer of low-freq samples, starting at time index 0, + * freq index = patch subband + * + * Outputs: complex covariance elements p01re, p01im, p12re, p12im, p11re, p22re + * (p11im = p22im = 0) + * format = integer (Q0) * 2^N, with scalefactor N >= 0 + * + * Return: scalefactor N + * + * Notes: outputs are normalized to have 1 GB (sign in at least top 2 bits) + **************************************************************************************/ +static int CalcCovariance1(int *XBuf, int *p01reN, int *p01imN, int *p12reN, int *p12imN, int *p11reN, int *p22reN) +{ + int accBuf[2 * 6]; + int n, z, s, loShift, hiShift, gbMask; + U64 p01re, p01im, p12re, p12im, p11re, p22re; + + CVKernel1(XBuf, accBuf); + p01re.r.lo32 = accBuf[0]; + p01re.r.hi32 = accBuf[1]; + p01im.r.lo32 = accBuf[2]; + p01im.r.hi32 = accBuf[3]; + p11re.r.lo32 = accBuf[4]; + p11re.r.hi32 = accBuf[5]; + p12re.r.lo32 = accBuf[6]; + p12re.r.hi32 = accBuf[7]; + p12im.r.lo32 = accBuf[8]; + p12im.r.hi32 = accBuf[9]; + p22re.r.lo32 = accBuf[10]; + p22re.r.hi32 = accBuf[11]; + + /* 64-bit accumulators now have 2*FBITS_OUT_QMFA fraction bits + * want to scale them down to integers (32-bit signed, Q0) + * with scale factor of 2^n, n >= 0 + * leave 2 GB's for calculating determinant, so take top 30 non-zero bits + */ + gbMask = ((p01re.r.hi32) ^(p01re.r.hi32 >> 31)) | ((p01im.r.hi32) ^(p01im.r.hi32 >> 31)); + gbMask |= ((p12re.r.hi32) ^(p12re.r.hi32 >> 31)) | ((p12im.r.hi32) ^(p12im.r.hi32 >> 31)); + gbMask |= ((p11re.r.hi32) ^(p11re.r.hi32 >> 31)) | ((p22re.r.hi32) ^(p22re.r.hi32 >> 31)); + if (gbMask == 0) { + s = p01re.r.hi32 >> 31; + gbMask = (p01re.r.lo32 ^ s) - s; + s = p01im.r.hi32 >> 31; + gbMask |= (p01im.r.lo32 ^ s) - s; + s = p12re.r.hi32 >> 31; + gbMask |= (p12re.r.lo32 ^ s) - s; + s = p12im.r.hi32 >> 31; + gbMask |= (p12im.r.lo32 ^ s) - s; + s = p11re.r.hi32 >> 31; + gbMask |= (p11re.r.lo32 ^ s) - s; + s = p22re.r.hi32 >> 31; + gbMask |= (p22re.r.lo32 ^ s) - s; + z = 32 + CLZ(gbMask); + } else { + gbMask = FASTABS(p01re.r.hi32) | FASTABS(p01im.r.hi32); + gbMask |= FASTABS(p12re.r.hi32) | FASTABS(p12im.r.hi32); + gbMask |= FASTABS(p11re.r.hi32) | FASTABS(p22re.r.hi32); + z = CLZ(gbMask); + } + + n = 64 - z; /* number of non-zero bits in bottom of 64-bit word */ + if (n <= 30) { + loShift = (30 - n); + *p01reN = p01re.r.lo32 << loShift; + *p01imN = p01im.r.lo32 << loShift; + *p12reN = p12re.r.lo32 << loShift; + *p12imN = p12im.r.lo32 << loShift; + *p11reN = p11re.r.lo32 << loShift; + *p22reN = p22re.r.lo32 << loShift; + return -(loShift + 2 * FBITS_OUT_QMFA); + } else if (n < 32 + 30) { + loShift = (n - 30); + hiShift = 32 - loShift; + *p01reN = (p01re.r.hi32 << hiShift) | (p01re.r.lo32 >> loShift); + *p01imN = (p01im.r.hi32 << hiShift) | (p01im.r.lo32 >> loShift); + *p12reN = (p12re.r.hi32 << hiShift) | (p12re.r.lo32 >> loShift); + *p12imN = (p12im.r.hi32 << hiShift) | (p12im.r.lo32 >> loShift); + *p11reN = (p11re.r.hi32 << hiShift) | (p11re.r.lo32 >> loShift); + *p22reN = (p22re.r.hi32 << hiShift) | (p22re.r.lo32 >> loShift); + return (loShift - 2 * FBITS_OUT_QMFA); + } else { + hiShift = n - (32 + 30); + *p01reN = p01re.r.hi32 >> hiShift; + *p01imN = p01im.r.hi32 >> hiShift; + *p12reN = p12re.r.hi32 >> hiShift; + *p12imN = p12im.r.hi32 >> hiShift; + *p11reN = p11re.r.hi32 >> hiShift; + *p22reN = p22re.r.hi32 >> hiShift; + return (32 - 2 * FBITS_OUT_QMFA - hiShift); + } + + return 0; +} + +/************************************************************************************** + * Function: CVKernel2 + * + * Description: kernel of covariance matrix calculation for p02 + * + * Inputs: buffer of low-freq samples, starting at time index = 0, + * freq index = patch subband + * + * Outputs: 64-bit accumulators for p02re, p02im stored in accBuf + * + * Return: none + * + * Notes: this is carefully written to be efficient on ARM + * use the assembly code version in sbrcov.s when building for ARM! + **************************************************************************************/ +#if 0// (defined (__arm) && defined (__ARMCC_VERSION)) || (defined (_WIN32) && defined (_WIN32_WCE) && defined (ARM)) || (defined(__GNUC__) && defined(__arm__)) +#ifdef __cplusplus +extern "C" +#endif +void CVKernel2(int *XBuf, int *accBuf); +#else +void CVKernel2(int *XBuf, int *accBuf) +{ + U64 p02re, p02im; + int n, x0re, x0im, x1re, x1im, x2re, x2im; + + p02re.w64 = p02im.w64 = 0; + + x0re = XBuf[0]; + x0im = XBuf[1]; + XBuf += (2 * 64); + x1re = XBuf[0]; + x1im = XBuf[1]; + XBuf += (2 * 64); + + for (n = (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6); n != 0; n--) { + /* 6 input, 2*2 acc, 1 ptr, 1 loop counter = 12 registers (use same for x0im, -x0im) */ + x2re = XBuf[0]; + x2im = XBuf[1]; + + p02re.w64 = MADD64(p02re.w64, x2re, x0re); + p02re.w64 = MADD64(p02re.w64, x2im, x0im); + p02im.w64 = MADD64(p02im.w64, x0re, x2im); + p02im.w64 = MADD64(p02im.w64, -x0im, x2re); + + x0re = x1re; + x0im = x1im; + x1re = x2re; + x1im = x2im; + XBuf += (2 * 64); + } + + accBuf[0] = p02re.r.lo32; + accBuf[1] = p02re.r.hi32; + accBuf[2] = p02im.r.lo32; + accBuf[3] = p02im.r.hi32; +} +#endif + +/************************************************************************************** + * Function: CalcCovariance2 + * + * Description: calculate covariance matrix for p02 (4.6.18.6.2) + * + * Inputs: buffer of low-freq samples, starting at time index = 0, + * freq index = patch subband + * + * Outputs: complex covariance element p02re, p02im + * format = integer (Q0) * 2^N, with scalefactor N >= 0 + * + * Return: scalefactor N + * + * Notes: outputs are normalized to have 1 GB (sign in at least top 2 bits) + **************************************************************************************/ +static int CalcCovariance2(int *XBuf, int *p02reN, int *p02imN) +{ + U64 p02re, p02im; + int n, z, s, loShift, hiShift, gbMask; + int accBuf[2 * 2]; + + CVKernel2(XBuf, accBuf); + p02re.r.lo32 = accBuf[0]; + p02re.r.hi32 = accBuf[1]; + p02im.r.lo32 = accBuf[2]; + p02im.r.hi32 = accBuf[3]; + + /* 64-bit accumulators now have 2*FBITS_OUT_QMFA fraction bits + * want to scale them down to integers (32-bit signed, Q0) + * with scale factor of 2^n, n >= 0 + * leave 1 GB for calculating determinant, so take top 30 non-zero bits + */ + gbMask = ((p02re.r.hi32) ^(p02re.r.hi32 >> 31)) | ((p02im.r.hi32) ^(p02im.r.hi32 >> 31)); + if (gbMask == 0) { + s = p02re.r.hi32 >> 31; + gbMask = (p02re.r.lo32 ^ s) - s; + s = p02im.r.hi32 >> 31; + gbMask |= (p02im.r.lo32 ^ s) - s; + z = 32 + CLZ(gbMask); + } else { + gbMask = FASTABS(p02re.r.hi32) | FASTABS(p02im.r.hi32); + z = CLZ(gbMask); + } + n = 64 - z; /* number of non-zero bits in bottom of 64-bit word */ + + if (n <= 30) { + loShift = (30 - n); + *p02reN = p02re.r.lo32 << loShift; + *p02imN = p02im.r.lo32 << loShift; + return -(loShift + 2 * FBITS_OUT_QMFA); + } else if (n < 32 + 30) { + loShift = (n - 30); + hiShift = 32 - loShift; + *p02reN = (p02re.r.hi32 << hiShift) | (p02re.r.lo32 >> loShift); + *p02imN = (p02im.r.hi32 << hiShift) | (p02im.r.lo32 >> loShift); + return (loShift - 2 * FBITS_OUT_QMFA); + } else { + hiShift = n - (32 + 30); + *p02reN = p02re.r.hi32 >> hiShift; + *p02imN = p02im.r.hi32 >> hiShift; + return (32 - 2 * FBITS_OUT_QMFA - hiShift); + } + + return 0; +} + +/************************************************************************************** + * Function: CalcLPCoefs + * + * Description: calculate linear prediction coefficients for one subband (4.6.18.6.2) + * + * Inputs: buffer of low-freq samples, starting at time index = 0, + * freq index = patch subband + * number of guard bits in input sample buffer + * + * Outputs: complex LP coefficients a0re, a0im, a1re, a1im, format = Q29 + * + * Return: none + * + * Notes: output coefficients (a0re, a0im, a1re, a1im) clipped to range (-4, 4) + * if the comples coefficients have magnitude >= 4.0, they are all + * set to 0 (see spec) + **************************************************************************************/ +static int CalcLPCoefs(int *XBuf, int *a0re, int *a0im, int *a1re, int *a1im, int gb) +{ + int zFlag, n1, n2, nd, d, dInv, tre, tim; + int p01re, p01im, p02re, p02im, p12re, p12im, p11re, p22re; + + /* pre-scale to avoid overflow - probably never happens in practice (see QMFA) + * max bit growth per accumulator = 38*2 = 76 mul-adds (X * X) + * using 64-bit MADD, so if X has n guard bits, X*X has 2n+1 guard bits + * gain 1 extra sign bit per multiply, so ensure ceil(log2(76/2) / 2) = 3 guard bits on inputs + */ + if (gb < 3) { + nd = 3 - gb; + for (n1 = (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6 + 2); n1 != 0; n1--) { + XBuf[0] >>= nd; + XBuf[1] >>= nd; + XBuf += (2 * 64); + } + XBuf -= (2 * 64 * (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6 + 2)); + } + + /* calculate covariance elements */ + n1 = CalcCovariance1(XBuf, &p01re, &p01im, &p12re, &p12im, &p11re, &p22re); + n2 = CalcCovariance2(XBuf, &p02re, &p02im); + + /* normalize everything to larger power of 2 scalefactor, call it n1 */ + if (n1 < n2) { + nd = MIN(n2 - n1, 31); + p01re >>= nd; + p01im >>= nd; + p12re >>= nd; + p12im >>= nd; + p11re >>= nd; + p22re >>= nd; + n1 = n2; + } else if (n1 > n2) { + nd = MIN(n1 - n2, 31); + p02re >>= nd; + p02im >>= nd; + } + + /* calculate determinant of covariance matrix (at least 1 GB in pXX) */ + d = MULSHIFT32(p12re, p12re) + MULSHIFT32(p12im, p12im); + d = MULSHIFT32(d, RELAX_COEF) << 1; + d = MULSHIFT32(p11re, p22re) - d; + //this assert always failed,no a fatal error when decoder sbr data ????. + //ASSERT(d >= 0,ERR_AAC_SBR_BITSTREAM); /* should never be < 0 */ + + zFlag = 0; + *a0re = *a0im = 0; + *a1re = *a1im = 0; + if (d > 0) { + /* input = Q31 d = Q(-2*n1 - 32 + nd) = Q31 * 2^(31 + 2*n1 + 32 - nd) + * inverse = Q29 dInv = Q29 * 2^(-31 - 2*n1 - 32 + nd) = Q(29 + 31 + 2*n1 + 32 - nd) + * + * numerator has same Q format as d, since it's sum of normalized squares + * so num * inverse = Q(-2*n1 - 32) * Q(29 + 31 + 2*n1 + 32 - nd) + * = Q(29 + 31 - nd), drop low 32 in MULSHIFT32 + * = Q(29 + 31 - 32 - nd) = Q(28 - nd) + */ + nd = CLZ(d) - 1; + d <<= nd; + dInv = InvRNormalized(d); + + /* 1 GB in pXX */ + tre = MULSHIFT32(p01re, p12re) - MULSHIFT32(p01im, p12im) - MULSHIFT32(p02re, p11re); + tre = MULSHIFT32(tre, dInv); + tim = MULSHIFT32(p01re, p12im) + MULSHIFT32(p01im, p12re) - MULSHIFT32(p02im, p11re); + tim = MULSHIFT32(tim, dInv); + + /* if d is extremely small, just set coefs to 0 (would have poor precision anyway) */ + if (nd > 28 || (FASTABS(tre) >> (28 - nd)) >= 4 || (FASTABS(tim) >> (28 - nd)) >= 4) { + zFlag = 1; + } else { + *a1re = tre << (FBITS_LPCOEFS - 28 + nd); /* i.e. convert Q(28 - nd) to Q(29) */ + *a1im = tim << (FBITS_LPCOEFS - 28 + nd); + } + } + + if (p11re) { + /* input = Q31 p11re = Q(-n1 + nd) = Q31 * 2^(31 + n1 - nd) + * inverse = Q29 dInv = Q29 * 2^(-31 - n1 + nd) = Q(29 + 31 + n1 - nd) + * + * numerator is Q(-n1 - 3) + * so num * inverse = Q(-n1 - 3) * Q(29 + 31 + n1 - nd) + * = Q(29 + 31 - 3 - nd), drop low 32 in MULSHIFT32 + * = Q(29 + 31 - 3 - 32 - nd) = Q(25 - nd) + */ + nd = CLZ(p11re) - 1; /* assume positive */ + p11re <<= nd; + dInv = InvRNormalized(p11re); + + /* a1re, a1im = Q29, so scaled by (n1 + 3) */ + tre = (p01re >> 3) + MULSHIFT32(p12re, *a1re) + MULSHIFT32(p12im, *a1im); + tre = -MULSHIFT32(tre, dInv); + tim = (p01im >> 3) - MULSHIFT32(p12im, *a1re) + MULSHIFT32(p12re, *a1im); + tim = -MULSHIFT32(tim, dInv); + + if (nd > 25 || (FASTABS(tre) >> (25 - nd)) >= 4 || (FASTABS(tim) >> (25 - nd)) >= 4) { + zFlag = 1; + } else { + *a0re = tre << (FBITS_LPCOEFS - 25 + nd); /* i.e. convert Q(25 - nd) to Q(29) */ + *a0im = tim << (FBITS_LPCOEFS - 25 + nd); + } + } + + /* see 4.6.18.6.2 - if magnitude of a0 or a1 >= 4 then a0 = a1 = 0 + * i.e. a0re < 4, a0im < 4, a1re < 4, a1im < 4 + * Q29*Q29 = Q26 + */ + if (zFlag || MULSHIFT32(*a0re, *a0re) + MULSHIFT32(*a0im, *a0im) >= MAG_16 || MULSHIFT32(*a1re, *a1re) + MULSHIFT32(*a1im, *a1im) >= MAG_16) { + *a0re = *a0im = 0; + *a1re = *a1im = 0; + } + + /* no need to clip - we never changed the XBuf data, just used it to calculate a0 and a1 */ + if (gb < 3) { + nd = 3 - gb; + for (n1 = (NUM_TIME_SLOTS * SAMPLES_PER_SLOT + 6 + 2); n1 != 0; n1--) { + XBuf[0] <<= nd; + XBuf[1] <<= nd; + XBuf += (2 * 64); + } + } + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: GenerateHighFreq + * + * Description: generate high frequencies with SBR (4.6.18.6) + * + * Inputs: initialized PSInfoSBR struct + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * + * Outputs: new high frequency samples starting at frequency kStart + * + * Return: none + **************************************************************************************/ +int GenerateHighFreq(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch) +{ + int band, newBW, c, t, gb, gbMask, gbIdx; + int currPatch, p, x, k, g, i, iStart, iEnd, bw, bwsq; + int a0re, a0im, a1re, a1im; + int x1re, x1im, x2re, x2im; + int ACCre, ACCim; + int *XBufLo, *XBufHi; + int err = ERR_AAC_NONE; + /* calculate array of chirp factors */ + for (band = 0; band < sbrFreq->numNoiseFloorBands; band++) { + c = sbrChan->chirpFact[band]; /* previous (bwArray') */ + newBW = newBWTab[sbrChan->invfMode[0][band]][sbrChan->invfMode[1][band]]; + + /* weighted average of new and old (can't overflow - total gain = 1.0) */ + if (newBW < c) { + t = MULSHIFT32(newBW, 0x60000000) + MULSHIFT32(0x20000000, c); /* new is smaller: 0.75*new + 0.25*old */ + } else { + t = MULSHIFT32(newBW, 0x74000000) + MULSHIFT32(0x0c000000, c); /* new is larger: 0.90625*new + 0.09375*old */ + } + t <<= 1; + + if (t < 0x02000000) { /* below 0.015625, clip to 0 */ + t = 0; + } + if (t > 0x7f800000) { /* clip to 0.99609375 */ + t = 0x7f800000; + } + + /* save curr as prev for next time */ + sbrChan->chirpFact[band] = t; + sbrChan->invfMode[0][band] = sbrChan->invfMode[1][band]; + } + + iStart = sbrGrid->envTimeBorder[0] + HF_ADJ; + iEnd = sbrGrid->envTimeBorder[sbrGrid->numEnv] + HF_ADJ; + + /* generate new high freqs from low freqs, patches, and chirp factors */ + k = sbrFreq->kStart; + g = 0; + bw = sbrChan->chirpFact[g]; + bwsq = MULSHIFT32(bw, bw) << 1; + + gbMask = (sbrChan->gbMask[0] | sbrChan->gbMask[1]); /* older 32 | newer 8 */ + gb = CLZ(gbMask) - 1; + + for (currPatch = 0; currPatch < sbrFreq->numPatches; currPatch++) { + for (x = 0; x < sbrFreq->patchNumSubbands[currPatch]; x++) { + /* map k to corresponding noise floor band */ + if (k >= sbrFreq->freqNoise[g + 1]) { + g++; + bw = sbrChan->chirpFact[g]; /* Q31 */ + bwsq = MULSHIFT32(bw, bw) << 1; /* Q31 */ + } + + p = sbrFreq->patchStartSubband[currPatch] + x; /* low QMF band */ + XBufHi = psi->XBuf[iStart][k]; + if (bw) { + err = CalcLPCoefs(psi->XBuf[0][p], &a0re, &a0im, &a1re, &a1im, gb); + if (err) { + return err; + } + a0re = MULSHIFT32(bw, a0re); /* Q31 * Q29 = Q28 */ + a0im = MULSHIFT32(bw, a0im); + a1re = MULSHIFT32(bwsq, a1re); + a1im = MULSHIFT32(bwsq, a1im); + + XBufLo = psi->XBuf[iStart - 2][p]; + + x2re = XBufLo[0]; /* RE{XBuf[n-2]} */ + x2im = XBufLo[1]; /* IM{XBuf[n-2]} */ + XBufLo += (64 * 2); + + x1re = XBufLo[0]; /* RE{XBuf[n-1]} */ + x1im = XBufLo[1]; /* IM{XBuf[n-1]} */ + XBufLo += (64 * 2); + + for (i = iStart; i < iEnd; i++) { + /* a0re/im, a1re/im are Q28 with at least 1 GB, + * so the summing for AACre/im is fine (1 GB in, plus 1 from MULSHIFT32) + */ + ACCre = MULSHIFT32(x2re, a1re) - MULSHIFT32(x2im, a1im); + ACCim = MULSHIFT32(x2re, a1im) + MULSHIFT32(x2im, a1re); + x2re = x1re; + x2im = x1im; + + ACCre += MULSHIFT32(x1re, a0re) - MULSHIFT32(x1im, a0im); + ACCim += MULSHIFT32(x1re, a0im) + MULSHIFT32(x1im, a0re); + x1re = XBufLo[0]; /* RE{XBuf[n]} */ + x1im = XBufLo[1]; /* IM{XBuf[n]} */ + XBufLo += (64 * 2); + + /* lost 4 fbits when scaling by a0re/im, a1re/im (Q28) */ + CLIP_2N_SHIFT30(ACCre, 4); + ACCre += x1re; + CLIP_2N_SHIFT30(ACCim, 4); + ACCim += x1im; + + XBufHi[0] = ACCre; + XBufHi[1] = ACCim; + XBufHi += (64 * 2); + + /* update guard bit masks */ + gbMask = FASTABS(ACCre); + gbMask |= FASTABS(ACCim); + gbIdx = (i >> 5) & 0x01; /* 0 if i < 32, 1 if i >= 32 */ + sbrChan->gbMask[gbIdx] |= gbMask; + } + } else { + XBufLo = (int *)psi->XBuf[iStart][p]; + for (i = iStart; i < iEnd; i++) { + XBufHi[0] = XBufLo[0]; + XBufHi[1] = XBufLo[1]; + XBufLo += (64 * 2); + XBufHi += (64 * 2); + } + } + k++; /* high QMF band */ + } + } + return ERR_AAC_NONE; +} + + diff --git a/audio_codec/wfd_aac_decoder/sbrhuff.c b/audio_codec/wfd_aac_decoder/sbrhuff.c new file mode 100644 index 0000000..35e759f --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/sbrhuff.c @@ -0,0 +1,494 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrhuff.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrhuff.c - functions for unpacking Huffman-coded envelope and noise data + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +/************************************************************************************** + * Function: DecodeHuffmanScalar + * + * Description: decode one Huffman symbol from bitstream + * + * Inputs: pointers to Huffman table and info struct + * left-aligned bit buffer with >= huffTabInfo->maxBits bits + * + * Outputs: decoded symbol in *val + * + * Return: number of bits in symbol + * + * Notes: assumes canonical Huffman codes: + * first CW always 0, we have "count" CW's of length "nBits" bits + * starting CW for codes of length nBits+1 = + * (startCW[nBits] + count[nBits]) << 1 + * if there are no codes at nBits, then we just keep << 1 each time + * (since count[nBits] = 0) + **************************************************************************************/ +static int DecodeHuffmanScalar(const signed short *huffTab, const HuffInfo *huffTabInfo, unsigned int bitBuf, signed int *val) +{ + unsigned int count, start, shift, t; + const unsigned char *countPtr; + const signed short *map; + + map = huffTab + huffTabInfo->offset; + countPtr = huffTabInfo->count; + + start = 0; + count = 0; + shift = 32; + do { + start += count; + start <<= 1; + map += count; + count = *countPtr++; + shift--; + t = (bitBuf >> shift) - start; + } while (t >= count); + + *val = (signed int)map[t]; + return (countPtr - huffTabInfo->count); +} + +/************************************************************************************** + * Function: DecodeOneSymbol + * + * Description: dequantize one Huffman symbol from bitstream, + * using table huffTabSBR[huffTabIndex] + * + * Inputs: BitStreamInfo struct pointing to start of next Huffman codeword + * index of Huffman table + * + * Outputs: bitstream advanced by number of bits in codeword + * + * Return: one decoded symbol + **************************************************************************************/ +static int DecodeOneSymbol(BitStreamInfo *bsi, int huffTabIndex) +{ + int nBits, val; + unsigned int bitBuf; + const HuffInfo *hi; + + hi = &(huffTabSBRInfo[huffTabIndex]); + + bitBuf = GetBitsNoAdvance(bsi, hi->maxBits) << (32 - hi->maxBits); + nBits = DecodeHuffmanScalar(huffTabSBR, hi, bitBuf, &val); + AdvanceBitstream(bsi, nBits); + + return val; +} + +/* [1.0, sqrt(2)], format = Q29 (one guard bit for decoupling) */ +static const int envDQTab[2] = {0x20000000, 0x2d413ccc}; + +/************************************************************************************** + * Function: DequantizeEnvelope + * + * Description: dequantize envelope scalefactors + * + * Inputs: number of scalefactors to process + * amplitude resolution flag for this frame (0 or 1) + * quantized envelope scalefactors + * + * Outputs: dequantized envelope scalefactors + * + * Return: extra int bits in output (6 + expMax) + * in other words, output format = Q(FBITS_OUT_DQ_ENV - (6 + expMax)) + * + * Notes: dequantized scalefactors have at least 2 GB + **************************************************************************************/ +static int DequantizeEnvelope(int nBands, int ampRes, signed char *envQuant, int *envDequant) +{ + int exp, expMax, i, scalei; + + if (nBands <= 0) { + return 0; + } + + /* scan for largest dequant value (do separately from envelope decoding to keep code cleaner) */ + expMax = 0; + for (i = 0; i < nBands; i++) { + if (envQuant[i] > expMax) { + expMax = envQuant[i]; + } + } + + /* dequantized envelope gains + * envDequant = 64*2^(envQuant / alpha) = 2^(6 + envQuant / alpha) + * if ampRes == 0, alpha = 2 and range of envQuant = [0, 127] + * if ampRes == 1, alpha = 1 and range of envQuant = [0, 63] + * also if coupling is on, envDequant is scaled by something in range [0, 2] + * so range of envDequant = [2^6, 2^69] (no coupling), [2^6, 2^70] (with coupling) + * + * typical range (from observation) of envQuant/alpha = [0, 27] --> largest envQuant ~= 2^33 + * output: Q(29 - (6 + expMax)) + * + * reference: 14496-3:2001(E)/4.6.18.3.5 and 14496-4:200X/FPDAM8/5.6.5.1.2.1.5 + */ + if (ampRes) { + do { + exp = *envQuant++; + scalei = MIN(expMax - exp, 31); + *envDequant++ = envDQTab[0] >> scalei; + } while (--nBands); + + return (6 + expMax); + } else { + expMax >>= 1; + do { + exp = *envQuant++; + scalei = MIN(expMax - (exp >> 1), 31); + *envDequant++ = envDQTab[exp & 0x01] >> scalei; + } while (--nBands); + + return (6 + expMax); + } + +} + +/************************************************************************************** + * Function: DequantizeNoise + * + * Description: dequantize noise scalefactors + * + * Inputs: number of scalefactors to process + * quantized noise scalefactors + * + * Outputs: dequantized noise scalefactors, format = Q(FBITS_OUT_DQ_NOISE) + * + * Return: none + * + * Notes: dequantized scalefactors have at least 2 GB + **************************************************************************************/ +static void DequantizeNoise(int nBands, signed char *noiseQuant, int *noiseDequant) +{ + int exp, scalei; + + if (nBands <= 0) { + return; + } + + /* dequantize noise floor gains (4.6.18.3.5): + * noiseDequant = 2^(NOISE_FLOOR_OFFSET - noiseQuant) + * + * range of noiseQuant = [0, 30] (see 4.6.18.3.6), NOISE_FLOOR_OFFSET = 6 + * so range of noiseDequant = [2^-24, 2^6] + */ + do { + exp = *noiseQuant++; + scalei = NOISE_FLOOR_OFFSET - exp + FBITS_OUT_DQ_NOISE; /* 6 + 24 - exp, exp = [0,30] */ + + if (scalei < 0) { + *noiseDequant++ = 0; + } else if (scalei < 30) { + *noiseDequant++ = 1 << scalei; + } else { + *noiseDequant++ = 0x3fffffff; /* leave 2 GB */ + } + + } while (--nBands); +} + +/************************************************************************************** + * Function: DecodeSBREnvelope + * + * Description: decode delta Huffman coded envelope scalefactors from bitstream + * + * Inputs: BitStreamInfo struct pointing to start of env data + * initialized PSInfoSBR struct + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * + * Outputs: dequantized env scalefactors for left channel (before decoupling) + * dequantized env scalefactors for right channel (if coupling off) + * or raw decoded env scalefactors for right channel (if coupling on) + * + * Return: none + **************************************************************************************/ +int DecodeSBREnvelope(BitStreamInfo *bsi, PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch) +{ + int huffIndexTime, huffIndexFreq, env, envStartBits, band, nBands, sf, lastEnv; + int freqRes, freqResPrev, dShift, i; + + if (psi->couplingFlag && ch) { + dShift = 1; + if (sbrGrid->ampResFrame) { + huffIndexTime = HuffTabSBR_tEnv30b; + huffIndexFreq = HuffTabSBR_fEnv30b; + envStartBits = 5; + } else { + huffIndexTime = HuffTabSBR_tEnv15b; + huffIndexFreq = HuffTabSBR_fEnv15b; + envStartBits = 6; + } + } else { + dShift = 0; + if (sbrGrid->ampResFrame) { + huffIndexTime = HuffTabSBR_tEnv30; + huffIndexFreq = HuffTabSBR_fEnv30; + envStartBits = 6; + } else { + huffIndexTime = HuffTabSBR_tEnv15; + huffIndexFreq = HuffTabSBR_fEnv15; + envStartBits = 7; + } + } + + /* range of envDataQuant[] = [0, 127] (see comments in DequantizeEnvelope() for reference) */ + for (env = 0; env < sbrGrid->numEnv; env++) { + nBands = (sbrGrid->freqRes[env] ? sbrFreq->nHigh : sbrFreq->nLow); + freqRes = (sbrGrid->freqRes[env]); + freqResPrev = (env == 0 ? sbrGrid->freqResPrev : sbrGrid->freqRes[env - 1]); + lastEnv = (env == 0 ? sbrGrid->numEnvPrev - 1 : env - 1); + if (lastEnv < 0) { + lastEnv = 0; /* first frame */ + } + + ASSERT(nBands <= MAX_QMF_BANDS, ERR_AAC_SBR_BITSTREAM); + + if (sbrChan->deltaFlagEnv[env] == 0) { + /* delta coding in freq */ + sf = GetBits(bsi, envStartBits) << dShift; + sbrChan->envDataQuant[env][0] = sf; + for (band = 1; band < nBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexFreq) << dShift; + sbrChan->envDataQuant[env][band] = sf + sbrChan->envDataQuant[env][band - 1]; + } + } else if (freqRes == freqResPrev) { + /* delta coding in time - same freq resolution for both frames */ + for (band = 0; band < nBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexTime) << dShift; + sbrChan->envDataQuant[env][band] = sf + sbrChan->envDataQuant[lastEnv][band]; + } + } else if (freqRes == 0 && freqResPrev == 1) { + /* delta coding in time - low freq resolution for new frame, high freq resolution for old frame */ + for (band = 0; band < nBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexTime) << dShift; + sbrChan->envDataQuant[env][band] = sf; + for (i = 0; i < sbrFreq->nHigh; i++) { + if (sbrFreq->freqHigh[i] == sbrFreq->freqLow[band]) { + sbrChan->envDataQuant[env][band] += sbrChan->envDataQuant[lastEnv][i]; + break; + } + } + } + } else if (freqRes == 1 && freqResPrev == 0) { + /* delta coding in time - high freq resolution for new frame, low freq resolution for old frame */ + for (band = 0; band < nBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexTime) << dShift; + sbrChan->envDataQuant[env][band] = sf; + for (i = 0; i < sbrFreq->nLow; i++) { + if (sbrFreq->freqLow[i] <= sbrFreq->freqHigh[band] && sbrFreq->freqHigh[band] < sbrFreq->freqLow[i + 1]) { + sbrChan->envDataQuant[env][band] += sbrChan->envDataQuant[lastEnv][i]; + break; + } + } + } + } + + /* skip coupling channel */ + if (ch != 1 || psi->couplingFlag != 1) { + psi->envDataDequantScale[ch][env] = DequantizeEnvelope(nBands, sbrGrid->ampResFrame, sbrChan->envDataQuant[env], psi->envDataDequant[ch][env]); + } + } + sbrGrid->numEnvPrev = sbrGrid->numEnv; + sbrGrid->freqResPrev = sbrGrid->freqRes[sbrGrid->numEnv - 1]; + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: DecodeSBRNoise + * + * Description: decode delta Huffman coded noise scalefactors from bitstream + * + * Inputs: BitStreamInfo struct pointing to start of noise data + * initialized PSInfoSBR struct + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel + * index of current channel (0 for SCE, 0 or 1 for CPE) + * + * Outputs: dequantized noise scalefactors for left channel (before decoupling) + * dequantized noise scalefactors for right channel (if coupling off) + * or raw decoded noise scalefactors for right channel (if coupling on) + * + * Return: none + **************************************************************************************/ +int DecodeSBRNoise(BitStreamInfo *bsi, PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChan, int ch) +{ + int huffIndexTime, huffIndexFreq, noiseFloor, band, dShift, sf, lastNoiseFloor; + + if (psi->couplingFlag && ch) { + dShift = 1; + huffIndexTime = HuffTabSBR_tNoise30b; + huffIndexFreq = HuffTabSBR_fNoise30b; + } else { + dShift = 0; + huffIndexTime = HuffTabSBR_tNoise30; + huffIndexFreq = HuffTabSBR_fNoise30; + } + + for (noiseFloor = 0; noiseFloor < sbrGrid->numNoiseFloors; noiseFloor++) { + lastNoiseFloor = (noiseFloor == 0 ? sbrGrid->numNoiseFloorsPrev - 1 : noiseFloor - 1); + if (lastNoiseFloor < 0) { + lastNoiseFloor = 0; /* first frame */ + } + + ASSERT(sbrFreq->numNoiseFloorBands <= MAX_QMF_BANDS, ERR_AAC_SBR_BITSTREAM); + + if (sbrChan->deltaFlagNoise[noiseFloor] == 0) { + /* delta coding in freq */ + sbrChan->noiseDataQuant[noiseFloor][0] = GetBits(bsi, 5) << dShift; + for (band = 1; band < sbrFreq->numNoiseFloorBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexFreq) << dShift; + sbrChan->noiseDataQuant[noiseFloor][band] = sf + sbrChan->noiseDataQuant[noiseFloor][band - 1]; + } + } else { + /* delta coding in time */ + for (band = 0; band < sbrFreq->numNoiseFloorBands; band++) { + sf = DecodeOneSymbol(bsi, huffIndexTime) << dShift; + sbrChan->noiseDataQuant[noiseFloor][band] = sf + sbrChan->noiseDataQuant[lastNoiseFloor][band]; + } + } + + /* skip coupling channel */ + if (ch != 1 || psi->couplingFlag != 1) { + DequantizeNoise(sbrFreq->numNoiseFloorBands, sbrChan->noiseDataQuant[noiseFloor], psi->noiseDataDequant[ch][noiseFloor]); + } + } + sbrGrid->numNoiseFloorsPrev = sbrGrid->numNoiseFloors; + return ERR_AAC_NONE; +} + +/* dqTabCouple[i] = 2 / (1 + 2^(12 - i)), format = Q30 */ +static const int dqTabCouple[25] = { + 0x0007ff80, 0x000ffe00, 0x001ff802, 0x003fe010, 0x007f8080, 0x00fe03f8, 0x01f81f82, 0x03e0f83e, + 0x07878788, 0x0e38e38e, 0x1999999a, 0x2aaaaaab, 0x40000000, 0x55555555, 0x66666666, 0x71c71c72, + 0x78787878, 0x7c1f07c2, 0x7e07e07e, 0x7f01fc08, 0x7f807f80, 0x7fc01ff0, 0x7fe007fe, 0x7ff00200, + 0x7ff80080, +}; + +/************************************************************************************** + * Function: UncoupleSBREnvelope + * + * Description: scale dequantized envelope scalefactors according to channel + * coupling rules + * + * Inputs: initialized PSInfoSBR struct including + * dequantized envelope data for left channel + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for right channel including + * quantized envelope scalefactors + * + * Outputs: dequantized envelope data for left channel (after decoupling) + * dequantized envelope data for right channel (after decoupling) + * + * Return: none + **************************************************************************************/ +void UncoupleSBREnvelope(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChanR) +{ + int env, band, nBands, scalei, E_1; + + scalei = (sbrGrid->ampResFrame ? 0 : 1); + for (env = 0; env < sbrGrid->numEnv; env++) { + nBands = (sbrGrid->freqRes[env] ? sbrFreq->nHigh : sbrFreq->nLow); + psi->envDataDequantScale[1][env] = psi->envDataDequantScale[0][env]; /* same scalefactor for L and R */ + for (band = 0; band < nBands; band++) { + /* clip E_1 to [0, 24] (scalefactors approach 0 or 2) */ + E_1 = sbrChanR->envDataQuant[env][band] >> scalei; + if (E_1 < 0) { + E_1 = 0; + } + if (E_1 > 24) { + E_1 = 24; + } + + /* envDataDequant[0] has 1 GB, so << by 2 is okay */ + psi->envDataDequant[1][env][band] = MULSHIFT32(psi->envDataDequant[0][env][band], dqTabCouple[24 - E_1]) << 2; + psi->envDataDequant[0][env][band] = MULSHIFT32(psi->envDataDequant[0][env][band], dqTabCouple[E_1]) << 2; + } + } +} + +/************************************************************************************** + * Function: UncoupleSBRNoise + * + * Description: scale dequantized noise floor scalefactors according to channel + * coupling rules + * + * Inputs: initialized PSInfoSBR struct including + * dequantized noise data for left channel + * initialized SBRGrid struct for this channel + * initialized SBRFreq struct for this SCE/CPE block + * initialized SBRChan struct for this channel including + * quantized noise scalefactors + * + * Outputs: dequantized noise data for left channel (after decoupling) + * dequantized noise data for right channel (after decoupling) + * + * Return: none + **************************************************************************************/ +void UncoupleSBRNoise(PSInfoSBR *psi, SBRGrid *sbrGrid, SBRFreq *sbrFreq, SBRChan *sbrChanR) +{ + int noiseFloor, band, Q_1; + + for (noiseFloor = 0; noiseFloor < sbrGrid->numNoiseFloors; noiseFloor++) { + for (band = 0; band < sbrFreq->numNoiseFloorBands; band++) { + /* Q_1 should be in range [0, 24] according to 4.6.18.3.6, but check to make sure */ + Q_1 = sbrChanR->noiseDataQuant[noiseFloor][band]; + if (Q_1 < 0) { + Q_1 = 0; + } + if (Q_1 > 24) { + Q_1 = 24; + } + + /* noiseDataDequant[0] has 1 GB, so << by 2 is okay */ + psi->noiseDataDequant[1][noiseFloor][band] = MULSHIFT32(psi->noiseDataDequant[0][noiseFloor][band], dqTabCouple[24 - Q_1]) << 2; + psi->noiseDataDequant[0][noiseFloor][band] = MULSHIFT32(psi->noiseDataDequant[0][noiseFloor][band], dqTabCouple[Q_1]) << 2; + } + } +} diff --git a/audio_codec/wfd_aac_decoder/sbrimdct.c b/audio_codec/wfd_aac_decoder/sbrimdct.c new file mode 100644 index 0000000..abec008 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/sbrimdct.c @@ -0,0 +1,447 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrimdct.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrimdct.c - inverse MDCT without clipping or interleaving, for input to SBR + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +/************************************************************************************** + * Function: DecWindowOverlapNoClip + * + * Description: apply synthesis window, do overlap-add without clipping, + * for winSequence LONG-LONG + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 32-bit PCM, non-interleaved + * + * Return: none + * + * Notes: use this function when the decoded PCM is going to the SBR decoder + **************************************************************************************/ +void DecWindowOverlapNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev) +{ + int in, w0, w1, f0, f1; + int *buf1, *over1, *out1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + out1 = out0 + 1024 - 1; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + if (winTypeCurr == winTypePrev) { + /* cut window loads in half since current and overlap sections use same symmetric window */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } else { + /* different windows for current and overlap parts - should still fit in registers on ARM w/o stack spill */ + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } +} + +/************************************************************************************** + * Function: DecWindowOverlapLongStart + * + * Description: apply synthesis window, do overlap-add, without clipping + * for winSequence LONG-START + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 32-bit PCM, non-interleaved + * + * Return: none + * + * Notes: use this function when the decoded PCM is going to the SBR decoder + **************************************************************************************/ +void DecWindowOverlapLongStartNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1, *out1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + out1 = out0 + 1024 - 1; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + i = 448; /* 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + in = *buf1--; + + *over1-- = 0; /* Wn = 0 for n = (2047, 2046, ... 1600) */ + *over0++ = in >> 1; /* Wn = 1 for n = (1024, 1025, ... 1471) */ + } while (--i); + + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + + /* do 64 more loops - 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; + w1 = *wndPrev++; + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; /* W[0], W[1], ... --> W[255], W[254], ... */ + w1 = *wndCurr++; /* W[127], W[126], ... --> W[128], W[129], ... */ + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); /* Wn = short window for n = (1599, 1598, ... , 1536) */ + *over0++ = MULSHIFT32(w1, in); /* Wn = short window for n = (1472, 1473, ... , 1535) */ + } while (over0 < over1); +} + +/************************************************************************************** + * Function: DecWindowOverlapLongStop + * + * Description: apply synthesis window, do overlap-add, without clipping + * for winSequence LONG-STOP + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 32-bit PCM, non-interleaved + * + * Return: none + * + * Notes: use this function when the decoded PCM is going to the SBR decoder + **************************************************************************************/ +void DecWindowOverlapLongStopNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1, *out1; + const int *wndPrev, *wndCurr; + + buf0 += (1024 >> 1); + buf1 = buf0 - 1; + out1 = out0 + 1024 - 1; + over1 = over0 + 1024 - 1; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[1] : sinWindow + sinWindowOffset[1]); + + i = 448; /* 2 outputs, 2 overlaps per loop */ + do { + /* Wn = 0 for n = (0, 1, ... 447) */ + /* Wn = 1 for n = (576, 577, ... 1023) */ + in = *buf0++; + f1 = in >> 1; /* scale since skipping multiply by Q31 */ + + in = *over0; + *out0++ = in; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (--i); + + /* do 64 more loops - 2 outputs, 2 overlaps per loop */ + do { + w0 = *wndPrev++; /* W[0], W[1], ...W[63] */ + w1 = *wndPrev++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); +} + +/************************************************************************************** + * Function: DecWindowOverlapShort + * + * Description: apply synthesis window, do overlap-add, without clipping + * for winSequence EIGHT-SHORT (does all 8 short blocks) + * + * Inputs: input buffer (output of type-IV DCT) + * overlap buffer (saved from last time) + * window type (sin or KBD) for input buffer + * window type (sin or KBD) for overlap buffer + * + * Outputs: one channel, one frame of 32-bit PCM, non-interleaved + * + * Return: none + * + * Notes: use this function when the decoded PCM is going to the SBR decoder + **************************************************************************************/ +void DecWindowOverlapShortNoClip(int *buf0, int *over0, int *out0, int winTypeCurr, int winTypePrev) +{ + int i, in, w0, w1, f0, f1; + int *buf1, *over1, *out1; + const int *wndPrev, *wndCurr; + + wndPrev = (winTypePrev == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + wndCurr = (winTypeCurr == 1 ? kbdWindow + kbdWindowOffset[0] : sinWindow + sinWindowOffset[0]); + + /* pcm[0-447] = 0 + overlap[0-447] */ + i = 448; + do { + f0 = *over0++; + f1 = *over0++; + *out0++ = f0; + *out0++ = f1; + i -= 2; + } while (i); + + /* pcm[448-575] = Wp[0-127] * block0[0-127] + overlap[448-575] */ + out1 = out0 + (128 - 1); + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + do { + w0 = *wndPrev++; /* W[0], W[1], ...W[63] */ + w1 = *wndPrev++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *over0; + *out0++ = in - f0; + + in = *over1; + *out1-- = in + f1; + + w0 = *wndCurr++; + w1 = *wndCurr++; + in = *buf1--; + + /* save over0/over1 for next short block, in the slots just vacated */ + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + + /* pcm[576-703] = Wc[128-255] * block0[128-255] + Wc[0-127] * block1[0-127] + overlap[576-703] + * pcm[704-831] = Wc[128-255] * block1[128-255] + Wc[0-127] * block2[0-127] + overlap[704-831] + * pcm[832-959] = Wc[128-255] * block2[128-255] + Wc[0-127] * block3[0-127] + overlap[832-959] + */ + for (i = 0; i < 3; i++) { + out0 += 64; + out1 = out0 + 128 - 1; + over0 += 64; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *(over0 - 128); /* from last short block */ + in += *(over0 + 0); /* from last full frame */ + *out0++ = in - f0; + + in = *(over1 - 128); /* from last short block */ + in += *(over1 + 0); /* from last full frame */ + *out1-- = in + f1; + + /* save over0/over1 for next short block, in the slots just vacated */ + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } + + /* pcm[960-1023] = Wc[128-191] * block3[128-191] + Wc[0-63] * block4[0-63] + overlap[960-1023] + * over[0-63] = Wc[192-255] * block3[192-255] + Wc[64-127] * block4[64-127] + */ + out0 += 64; + over0 -= 832; /* points at overlap[64] */ + over1 = over0 + 128 - 1; /* points at overlap[191] */ + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + in = *(over0 + 768); /* from last short block */ + in += *(over0 + 896); /* from last full frame */ + *out0++ = in - f0; + + in = *(over1 + 768); /* from last short block */ + *(over1 - 128) = in + f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); /* save in overlap[128-191] */ + *over0++ = MULSHIFT32(w1, in); /* save in overlap[64-127] */ + } while (over0 < over1); + + /* over0 now points at overlap[128] */ + + /* over[64-191] = Wc[128-255] * block4[128-255] + Wc[0-127] * block5[0-127] + * over[192-319] = Wc[128-255] * block5[128-255] + Wc[0-127] * block6[0-127] + * over[320-447] = Wc[128-255] * block6[128-255] + Wc[0-127] * block7[0-127] + * over[448-576] = Wc[128-255] * block7[128-255] + */ + for (i = 0; i < 3; i++) { + over0 += 64; + over1 = over0 + 128 - 1; + buf0 += 64; + buf1 = buf0 - 1; + wndCurr -= 128; + do { + w0 = *wndCurr++; /* W[0], W[1], ...W[63] */ + w1 = *wndCurr++; /* W[127], W[126], ... W[64] */ + in = *buf0++; + + f0 = MULSHIFT32(w0, in); + f1 = MULSHIFT32(w1, in); + + /* from last short block */ + *(over0 - 128) -= f0; + *(over1 - 128) += f1; + + in = *buf1--; + *over1-- = MULSHIFT32(w0, in); + *over0++ = MULSHIFT32(w1, in); + } while (over0 < over1); + } + + /* over[576-1024] = 0 */ + i = 448; + over0 += 64; + do { + *over0++ = 0; + *over0++ = 0; + *over0++ = 0; + *over0++ = 0; + i -= 4; + } while (i); +} diff --git a/audio_codec/wfd_aac_decoder/sbrmath.c b/audio_codec/wfd_aac_decoder/sbrmath.c new file mode 100644 index 0000000..784f909 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/sbrmath.c @@ -0,0 +1,198 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrmath.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrmath.c - fixed-point math functions for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +#define Q28_2 0x20000000 /* Q28: 2.0 */ +#define Q28_15 0x30000000 /* Q28: 1.5 */ + +#define NUM_ITER_IRN 5 + +/************************************************************************************** + * Function: InvRNormalized + * + * Description: use Newton's method to solve for x = 1/r + * + * Inputs: r = Q31, range = [0.5, 1) (normalize your inputs to this range) + * + * Outputs: none + * + * Return: x = Q29, range ~= [1.0, 2.0] + * + * Notes: guaranteed to converge and not overflow for any r in [0.5, 1) + * + * xn+1 = xn - f(xn)/f'(xn) + * f(x) = 1/r - x = 0 (find root) + * = 1/x - r + * f'(x) = -1/x^2 + * + * so xn+1 = xn - (1/xn - r) / (-1/xn^2) + * = xn * (2 - r*xn) + * + * NUM_ITER_IRN = 2, maxDiff = 6.2500e-02 (precision of about 4 bits) + * NUM_ITER_IRN = 3, maxDiff = 3.9063e-03 (precision of about 8 bits) + * NUM_ITER_IRN = 4, maxDiff = 1.5288e-05 (precision of about 16 bits) + * NUM_ITER_IRN = 5, maxDiff = 3.0034e-08 (precision of about 24 bits) + **************************************************************************************/ +int InvRNormalized(int r) +{ + int i, xn, t; + + /* r = [0.5, 1.0) + * 1/r = (1.0, 2.0] + * so use 1.5 as initial guess + */ + xn = Q28_15; + + /* xn = xn*(2.0 - r*xn) */ + for (i = NUM_ITER_IRN; i != 0; i--) { + t = MULSHIFT32(r, xn); /* Q31*Q29 = Q28 */ + t = Q28_2 - t; /* Q28 */ + xn = MULSHIFT32(xn, t) << 4; /* Q29*Q28 << 4 = Q29 */ + } + + return xn; +} + +#define NUM_TERMS_RPI 5 +#define LOG2_EXP_INV 0x58b90bfc /* 1/log2(e), Q31 */ + +/* invTab[x] = 1/(x+1), format = Q30 */ +static const int invTab[NUM_TERMS_RPI] = {0x40000000, 0x20000000, 0x15555555, 0x10000000, 0x0ccccccd}; + +/************************************************************************************** + * Function: RatioPowInv + * + * Description: use Taylor (MacLaurin) series expansion to calculate (a/b) ^ (1/c) + * + * Inputs: a = [1, 64], b = [1, 64], c = [1, 64], a >= b + * + * Outputs: none + * + * Return: y = Q24, range ~= [0.015625, 64] + **************************************************************************************/ +int RatioPowInv(int a, int b, int c) +{ + int lna, lnb, i, p, t, y; + + if (a < 1 || b < 1 || c < 1 || a > 64 || b > 64 || c > 64 || a < b) { + return 0; + } + + lna = MULSHIFT32(log2Tab[a], LOG2_EXP_INV) << 1; /* ln(a), Q28 */ + lnb = MULSHIFT32(log2Tab[b], LOG2_EXP_INV) << 1; /* ln(b), Q28 */ + p = (lna - lnb) / c; /* Q28 */ + + /* sum in Q24 */ + y = (1 << 24); + t = p >> 4; /* t = p^1 * 1/1! (Q24)*/ + y += t; + + for (i = 2; i <= NUM_TERMS_RPI; i++) { + t = MULSHIFT32(invTab[i - 1], t) << 2; + t = MULSHIFT32(p, t) << 4; /* t = p^i * 1/i! (Q24) */ + y += t; + } + + return y; +} + +/************************************************************************************** + * Function: SqrtFix + * + * Description: use binary search to calculate sqrt(q) + * + * Inputs: q = Q30 + * number of fraction bits in input + * + * Outputs: number of fraction bits in output + * + * Return: lo = Q(fBitsOut) + * + * Notes: absolute precision varies depending on fBitsIn + * normalizes input to range [0x200000000, 0x7fffffff] and takes + * floor(sqrt(input)), and sets fBitsOut appropriately + **************************************************************************************/ +int SqrtFix(int q, int fBitsIn, int *fBitsOut) +{ + int z, lo, hi, mid; + + if (q <= 0) { + *fBitsOut = fBitsIn; + return 0; + } + + /* force even fBitsIn */ + z = fBitsIn & 0x01; + q >>= z; + fBitsIn -= z; + + /* for max precision, normalize to [0x20000000, 0x7fffffff] */ + z = (CLZ(q) - 1); + z >>= 1; + q <<= (2 * z); + + /* choose initial bounds */ + lo = 1; + if (q >= 0x10000000) { + lo = 16384; /* (int)sqrt(0x10000000) */ + } + hi = 46340; /* (int)sqrt(0x7fffffff) */ + + /* do binary search with 32x32->32 multiply test */ + do { + mid = (lo + hi) >> 1; + if (mid * mid > q) { + hi = mid - 1; + } else { + lo = mid + 1; + } + } while (hi >= lo); + lo--; + + *fBitsOut = ((fBitsIn + 2 * z) >> 1); + return lo; +} diff --git a/audio_codec/wfd_aac_decoder/sbrqmf.c b/audio_codec/wfd_aac_decoder/sbrqmf.c new file mode 100644 index 0000000..6a9464a --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/sbrqmf.c @@ -0,0 +1,648 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrqmf.c,v 1.1.2.2 2005/05/19 21:00:01 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrqmf.c - analysis and synthesis QMF filters for SBR + **************************************************************************************/ + +#include "sbr.h" +#include "assembly.h" + +/* PreMultiply64() table + * format = Q30 + * reordered for sequential access + * + * for (i = 0; i < 64/4; i++) { + * angle = (i + 0.25) * M_PI / nmdct; + * x = (cos(angle) + sin(angle)); + * x = sin(angle); + * + * angle = (nmdct/2 - 1 - i + 0.25) * M_PI / nmdct; + * x = (cos(angle) + sin(angle)); + * x = sin(angle); + * } + */ +static const int cos4sin4tab64[64] = { + 0x40c7d2bd, 0x00c90e90, 0x424ff28f, 0x3ff4e5e0, 0x43cdd89a, 0x03ecadcf, 0x454149fc, 0x3fc395f9, + 0x46aa0d6d, 0x070de172, 0x4807eb4b, 0x3f6af2e3, 0x495aada2, 0x0a2abb59, 0x4aa22036, 0x3eeb3347, + 0x4bde1089, 0x0d415013, 0x4d0e4de2, 0x3e44a5ef, 0x4e32a956, 0x104fb80e, 0x4f4af5d1, 0x3d77b192, + 0x50570819, 0x135410c3, 0x5156b6d9, 0x3c84d496, 0x5249daa2, 0x164c7ddd, 0x53304df6, 0x3b6ca4c4, + 0x5409ed4b, 0x19372a64, 0x54d69714, 0x3a2fcee8, 0x55962bc0, 0x1c1249d8, 0x56488dc5, 0x38cf1669, + 0x56eda1a0, 0x1edc1953, 0x57854ddd, 0x374b54ce, 0x580f7b19, 0x2192e09b, 0x588c1404, 0x35a5793c, + 0x58fb0568, 0x2434f332, 0x595c3e2a, 0x33de87de, 0x59afaf4c, 0x26c0b162, 0x59f54bee, 0x31f79948, + 0x5a2d0957, 0x29348937, 0x5a56deec, 0x2ff1d9c7, 0x5a72c63b, 0x2b8ef77d, 0x5a80baf6, 0x2dce88aa, +}; + +/* PostMultiply64() table + * format = Q30 + * reordered for sequential access + * + * for (i = 0; i <= (32/2); i++) { + * angle = i * M_PI / 64; + * x = (cos(angle) + sin(angle)); + * x = sin(angle); + * } + */ +static const int cos1sin1tab64[34] = { + 0x40000000, 0x00000000, 0x43103085, 0x0323ecbe, 0x45f704f7, 0x0645e9af, 0x48b2b335, 0x09640837, + 0x4b418bbe, 0x0c7c5c1e, 0x4da1fab5, 0x0f8cfcbe, 0x4fd288dc, 0x1294062f, 0x51d1dc80, 0x158f9a76, + 0x539eba45, 0x187de2a7, 0x553805f2, 0x1b5d100a, 0x569cc31b, 0x1e2b5d38, 0x57cc15bc, 0x20e70f32, + 0x58c542c5, 0x238e7673, 0x5987b08a, 0x261feffa, 0x5a12e720, 0x2899e64a, 0x5a6690ae, 0x2afad269, + 0x5a82799a, 0x2d413ccd, +}; + +/************************************************************************************** + * Function: PreMultiply64 + * + * Description: pre-twiddle stage of 64-point DCT-IV + * + * Inputs: buffer of 64 samples + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out, gains 2 int bits + * gbOut = gbIn + 1 + * output is limited to sqrt(2)/2 plus GB in full GB + * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add + **************************************************************************************/ +static void PreMultiply64(int *zbuf1) +{ + int i, ar1, ai1, ar2, ai2, z1, z2; + int t, cms2, cps2a, sin2a, cps2b, sin2b; + int *zbuf2; + const int *csptr; + + zbuf2 = zbuf1 + 64 - 1; + csptr = cos4sin4tab64; + + /* whole thing should fit in registers - verify that compiler does this */ + for (i = 64 >> 2; i != 0; i--) { + /* cps2 = (cos+sin), sin2 = sin, cms2 = (cos-sin) */ + cps2a = *csptr++; + sin2a = *csptr++; + cps2b = *csptr++; + sin2b = *csptr++; + + ar1 = *(zbuf1 + 0); + ai2 = *(zbuf1 + 1); + ai1 = *(zbuf2 + 0); + ar2 = *(zbuf2 - 1); + + /* gain 2 ints bit from MULSHIFT32 by Q30 + * max per-sample gain (ignoring implicit scaling) = MAX(sin(angle)+cos(angle)) = 1.414 + * i.e. gain 1 GB since worst case is sin(angle) = cos(angle) = 0.707 (Q30), gain 2 from + * extra sign bits, and eat one in adding + */ + t = MULSHIFT32(sin2a, ar1 + ai1); + z2 = MULSHIFT32(cps2a, ai1) - t; + cms2 = cps2a - 2 * sin2a; + z1 = MULSHIFT32(cms2, ar1) + t; + *zbuf1++ = z1; /* cos*ar1 + sin*ai1 */ + *zbuf1++ = z2; /* cos*ai1 - sin*ar1 */ + + t = MULSHIFT32(sin2b, ar2 + ai2); + z2 = MULSHIFT32(cps2b, ai2) - t; + cms2 = cps2b - 2 * sin2b; + z1 = MULSHIFT32(cms2, ar2) + t; + *zbuf2-- = z2; /* cos*ai2 - sin*ar2 */ + *zbuf2-- = z1; /* cos*ar2 + sin*ai2 */ + } +} + +/************************************************************************************** + * Function: PostMultiply64 + * + * Description: post-twiddle stage of 64-point type-IV DCT + * + * Inputs: buffer of 64 samples + * number of output samples to calculate + * + * Outputs: processed samples in same buffer + * + * Return: none + * + * Notes: minimum 1 GB in, 2 GB out, gains 2 int bits + * gbOut = gbIn + 1 + * output is limited to sqrt(2)/2 plus GB in full GB + * nSampsOut is rounded up to next multiple of 4, since we calculate + * 4 samples per loop + **************************************************************************************/ +static void PostMultiply64(int *fft1, int nSampsOut) +{ + int i, ar1, ai1, ar2, ai2; + int t, cms2, cps2, sin2; + int *fft2; + const int *csptr; + + csptr = cos1sin1tab64; + fft2 = fft1 + 64 - 1; + + /* load coeffs for first pass + * cps2 = (cos+sin)/2, sin2 = sin/2, cms2 = (cos-sin)/2 + */ + cps2 = *csptr++; + sin2 = *csptr++; + cms2 = cps2 - 2 * sin2; + + for (i = (nSampsOut + 3) >> 2; i != 0; i--) { + ar1 = *(fft1 + 0); + ai1 = *(fft1 + 1); + ar2 = *(fft2 - 1); + ai2 = *(fft2 + 0); + + /* gain 2 int bits (multiplying by Q30), max gain = sqrt(2) */ + t = MULSHIFT32(sin2, ar1 + ai1); + *fft2-- = t - MULSHIFT32(cps2, ai1); + *fft1++ = t + MULSHIFT32(cms2, ar1); + + cps2 = *csptr++; + sin2 = *csptr++; + + ai2 = -ai2; + t = MULSHIFT32(sin2, ar2 + ai2); + *fft2-- = t - MULSHIFT32(cps2, ai2); + cms2 = cps2 - 2 * sin2; + *fft1++ = t + MULSHIFT32(cms2, ar2); + } +} + +/************************************************************************************** + * Function: QMFAnalysisConv + * + * Description: convolution kernel for analysis QMF + * + * Inputs: pointer to coefficient table, reordered for sequential access + * delay buffer of size 32*10 = 320 real-valued PCM samples + * index for delay ring buffer (range = [0, 9]) + * + * Outputs: 64 consecutive 32-bit samples + * + * Return: none + * + * Notes: this is carefully written to be efficient on ARM + * use the assembly code version in sbrqmfak.s when building for ARM! + **************************************************************************************/ +#if 0// (defined (__arm) && defined (__ARMCC_VERSION)) || (defined (_WIN32) && defined (_WIN32_WCE) && defined (ARM)) || (defined(__GNUC__) && defined(__arm__)) +#ifdef __cplusplus +extern "C" +#endif +void QMFAnalysisConv(int *cTab, int *delay, int dIdx, int *uBuf); +#else +void QMFAnalysisConv(int *cTab, int *delay, int dIdx, int *uBuf) +{ + int k, dOff; + int *cPtr0, *cPtr1; + U64 u64lo, u64hi; + + dOff = dIdx * 32 + 31; + cPtr0 = cTab; + cPtr1 = cTab + 33 * 5 - 1; + + /* special first pass since we need to flip sign to create cTab[384], cTab[512] */ + u64lo.w64 = 0; + u64hi.w64 = 0; + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, -(*cPtr1--), delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, -(*cPtr1--), delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + + uBuf[0] = u64lo.r.hi32; + uBuf[32] = u64hi.r.hi32; + uBuf++; + dOff--; + + /* max gain for any sample in uBuf, after scaling by cTab, ~= 0.99 + * so we can just sum the uBuf values with no overflow problems + */ + for (k = 1; k <= 31; k++) { + u64lo.w64 = 0; + u64hi.w64 = 0; + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr0++, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64lo.w64 = MADD64(u64lo.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + u64hi.w64 = MADD64(u64hi.w64, *cPtr1--, delay[dOff]); + dOff -= 32; + if (dOff < 0) { + dOff += 320; + } + + uBuf[0] = u64lo.r.hi32; + uBuf[32] = u64hi.r.hi32; + uBuf++; + dOff--; + } +} +#endif + +/************************************************************************************** + * Function: QMFAnalysis + * + * Description: 32-subband analysis QMF (4.6.18.4.1) + * + * Inputs: 32 consecutive samples of decoded 32-bit PCM, format = Q(fBitsIn) + * delay buffer of size 32*10 = 320 PCM samples + * number of fraction bits in input PCM + * index for delay ring buffer (range = [0, 9]) + * number of subbands to calculate (range = [0, 32]) + * + * Outputs: qmfaBands complex subband samples, format = Q(FBITS_OUT_QMFA) + * updated delay buffer + * updated delay index + * + * Return: guard bit mask + * + * Notes: output stored as RE{X0}, IM{X0}, RE{X1}, IM{X1}, ... RE{X31}, IM{X31} + * output stored in int buffer of size 64*2 = 128 + * (zero-filled from XBuf[2*qmfaBands] to XBuf[127]) + **************************************************************************************/ +int QMFAnalysis(int *inbuf, int *delay, int *XBuf, int fBitsIn, int *delayIdx, int qmfaBands) +{ + int n, y, shift, gbMask; + int *delayPtr, *uBuf, *tBuf; + + /* use XBuf[128] as temp buffer for reordering */ + uBuf = XBuf; /* first 64 samples */ + tBuf = XBuf + 64; /* second 64 samples */ + + /* overwrite oldest PCM with new PCM + * delay[n] has 1 GB after shifting (either << or >>) + */ + delayPtr = delay + (*delayIdx * 32); + if (fBitsIn > FBITS_IN_QMFA) { + shift = MIN(fBitsIn - FBITS_IN_QMFA, 31); + for (n = 32; n != 0; n--) { + y = (*inbuf) >> shift; + inbuf++; + *delayPtr++ = y; + } + } else { + shift = MIN(FBITS_IN_QMFA - fBitsIn, 30); + for (n = 32; n != 0; n--) { + y = *inbuf++; + CLIP_2N_SHIFT30(y, shift); + *delayPtr++ = y; + } + } + + QMFAnalysisConv((int *)cTabA, delay, *delayIdx, uBuf); + + /* uBuf has at least 2 GB right now (1 from clipping to Q(FBITS_IN_QMFA), one from + * the scaling by cTab (MULSHIFT32(*delayPtr--, *cPtr++), with net gain of < 1.0) + * TODO - fuse with QMFAnalysisConv to avoid separate reordering + */ + tBuf[2 * 0 + 0] = uBuf[0]; + tBuf[2 * 0 + 1] = uBuf[1]; + for (n = 1; n < 31; n++) { + tBuf[2 * n + 0] = -uBuf[64 - n]; + tBuf[2 * n + 1] = uBuf[n + 1]; + } + tBuf[2 * 31 + 1] = uBuf[32]; + tBuf[2 * 31 + 0] = -uBuf[33]; + + /* fast in-place DCT-IV - only need 2*qmfaBands output samples */ + PreMultiply64(tBuf); /* 2 GB in, 3 GB out */ + FFT32C(tBuf); /* 3 GB in, 1 GB out */ + PostMultiply64(tBuf, qmfaBands * 2); /* 1 GB in, 2 GB out */ + + /* TODO - roll into PostMultiply (if enough registers) */ + gbMask = 0; + for (n = 0; n < qmfaBands; n++) { + XBuf[2 * n + 0] = tBuf[ n + 0]; /* implicit scaling of 2 in our output Q format */ + gbMask |= FASTABS(XBuf[2 * n + 0]); + XBuf[2 * n + 1] = -tBuf[63 - n]; + gbMask |= FASTABS(XBuf[2 * n + 1]); + } + + /* fill top section with zeros for HF generation */ + for (; n < 64; n++) { + XBuf[2 * n + 0] = 0; + XBuf[2 * n + 1] = 0; + } + + *delayIdx = (*delayIdx == NUM_QMF_DELAY_BUFS - 1 ? 0 : *delayIdx + 1); + + /* minimum of 2 GB in output */ + return gbMask; +} + +/* lose FBITS_LOST_DCT4_64 in DCT4, gain 6 for implicit scaling by 1/64, lose 1 for cTab multiply (Q31) */ +#define FBITS_OUT_QMFS (FBITS_IN_QMFS - FBITS_LOST_DCT4_64 + 6 - 1) +#define RND_VAL (1 << (FBITS_OUT_QMFS-1)) + +/************************************************************************************** + * Function: QMFSynthesisConv + * + * Description: final convolution kernel for synthesis QMF + * + * Inputs: pointer to coefficient table, reordered for sequential access + * delay buffer of size 64*10 = 640 complex samples (1280 ints) + * index for delay ring buffer (range = [0, 9]) + * number of QMF subbands to process (range = [0, 64]) + * number of channels + * + * Outputs: 64 consecutive 16-bit PCM samples, interleaved by factor of nChans + * + * Return: none + * + * Notes: this is carefully written to be efficient on ARM + * use the assembly code version in sbrqmfsk.s when building for ARM! + **************************************************************************************/ +#if 0// (defined (__arm) && defined (__ARMCC_VERSION)) || (defined (_WIN32) && defined (_WIN32_WCE) && defined (ARM)) || (defined(__GNUC__) && defined(__arm__)) +#ifdef __cplusplus +extern "C" +#endif +void QMFSynthesisConv(int *cPtr, int *delay, int dIdx, short *outbuf, int nChans); +#else +void QMFSynthesisConv(int *cPtr, int *delay, int dIdx, short *outbuf, int nChans) +{ + int k, dOff0, dOff1; + U64 sum64; + + dOff0 = (dIdx) * 128; + dOff1 = dOff0 - 1; + if (dOff1 < 0) { + dOff1 += 1280; + } + + /* scaling note: total gain of coefs (cPtr[0]-cPtr[9] for any k) is < 2.0, so 1 GB in delay values is adequate */ + for (k = 0; k <= 63; k++) { + sum64.w64 = 0; + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff0]); + dOff0 -= 256; + if (dOff0 < 0) { + dOff0 += 1280; + } + sum64.w64 = MADD64(sum64.w64, *cPtr++, delay[dOff1]); + dOff1 -= 256; + if (dOff1 < 0) { + dOff1 += 1280; + } + + dOff0++; + dOff1--; + *outbuf = CLIPTOSHORT((sum64.r.hi32 + RND_VAL) >> FBITS_OUT_QMFS); + outbuf += nChans; + } +} +#endif + +/************************************************************************************** + * Function: QMFSynthesis + * + * Description: 64-subband synthesis QMF (4.6.18.4.2) + * + * Inputs: 64 consecutive complex subband QMF samples, format = Q(FBITS_IN_QMFS) + * delay buffer of size 64*10 = 640 complex samples (1280 ints) + * index for delay ring buffer (range = [0, 9]) + * number of QMF subbands to process (range = [0, 64]) + * number of channels + * + * Outputs: 64 consecutive 16-bit PCM samples, interleaved by factor of nChans + * updated delay buffer + * updated delay index + * + * Return: none + * + * Notes: assumes MIN_GBITS_IN_QMFS guard bits in input, either from + * QMFAnalysis (if upsampling only) or from MapHF (if SBR on) + **************************************************************************************/ +void QMFSynthesis(int *inbuf, int *delay, int *delayIdx, int qmfsBands, short *outbuf, int nChans) +{ + int n, a0, a1, b0, b1, dOff0, dOff1, dIdx; + int *tBufLo, *tBufHi; + + dIdx = *delayIdx; + tBufLo = delay + dIdx * 128 + 0; + tBufHi = delay + dIdx * 128 + 127; + + /* reorder inputs to DCT-IV, only use first qmfsBands (complex) samples + * TODO - fuse with PreMultiply64 to avoid separate reordering steps + */ + for (n = 0; n < qmfsBands >> 1; n++) { + a0 = *inbuf++; + b0 = *inbuf++; + a1 = *inbuf++; + b1 = *inbuf++; + *tBufLo++ = a0; + *tBufLo++ = a1; + *tBufHi-- = b0; + *tBufHi-- = b1; + } + if (qmfsBands & 0x01) { + a0 = *inbuf++; + b0 = *inbuf++; + *tBufLo++ = a0; + *tBufHi-- = b0; + *tBufLo++ = 0; + *tBufHi-- = 0; + n++; + } + for (; n < 32; n++) { + *tBufLo++ = 0; + *tBufHi-- = 0; + *tBufLo++ = 0; + *tBufHi-- = 0; + } + + tBufLo = delay + dIdx * 128 + 0; + tBufHi = delay + dIdx * 128 + 64; + + /* 2 GB in, 3 GB out */ + PreMultiply64(tBufLo); + PreMultiply64(tBufHi); + + /* 3 GB in, 1 GB out */ + FFT32C(tBufLo); + FFT32C(tBufHi); + + /* 1 GB in, 2 GB out */ + PostMultiply64(tBufLo, 64); + PostMultiply64(tBufHi, 64); + + /* could fuse with PostMultiply64 to avoid separate pass */ + dOff0 = dIdx * 128; + dOff1 = dIdx * 128 + 64; + for (n = 32; n != 0; n--) { + a0 = (*tBufLo++); + a1 = (*tBufLo++); + b0 = (*tBufHi++); + b1 = -(*tBufHi++); + + delay[dOff0++] = (b0 - a0); + delay[dOff0++] = (b1 - a1); + delay[dOff1++] = (b0 + a0); + delay[dOff1++] = (b1 + a1); + } + + QMFSynthesisConv((int *)cTabS, delay, dIdx, outbuf, nChans); + + *delayIdx = (*delayIdx == NUM_QMF_DELAY_BUFS - 1 ? 0 : *delayIdx + 1); +} diff --git a/audio_codec/wfd_aac_decoder/sbrside.c b/audio_codec/wfd_aac_decoder/sbrside.c new file mode 100644 index 0000000..070af98 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/sbrside.c @@ -0,0 +1,634 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrside.c,v 1.2 2005/05/24 16:01:55 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrside.c - functions for unpacking side info from SBR bitstream + **************************************************************************************/ + +#include "sbr.h" + +/************************************************************************************** + * Function: GetSampRateIdx + * + * Description: get index of given sample rate + * + * Inputs: sample rate (in Hz) + * + * Outputs: none + * + * Return: index of sample rate (table 1.15 in 14496-3:2001(E)) + * -1 if sample rate not found in table + **************************************************************************************/ +int GetSampRateIdx(int sampRate) +{ + int idx; + + for (idx = 0; idx < NUM_SAMPLE_RATES; idx++) { + if (sampRate == sampRateTab[idx]) { + return idx; + } + } + + return -1; +} + +/************************************************************************************** + * Function: UnpackSBRHeader + * + * Description: unpack SBR header (table 4.56) + * + * Inputs: BitStreamInfo struct pointing to start of SBR header + * + * Outputs: initialized SBRHeader struct for this SCE/CPE block + * + * Return: non-zero if frame reset is triggered, zero otherwise + **************************************************************************************/ +int UnpackSBRHeader(BitStreamInfo *bsi, SBRHeader *sbrHdr) +{ + SBRHeader sbrHdrPrev; + + /* save previous values so we know whether to reset decoder */ + sbrHdrPrev.startFreq = sbrHdr->startFreq; + sbrHdrPrev.stopFreq = sbrHdr->stopFreq; + sbrHdrPrev.freqScale = sbrHdr->freqScale; + sbrHdrPrev.alterScale = sbrHdr->alterScale; + sbrHdrPrev.crossOverBand = sbrHdr->crossOverBand; + sbrHdrPrev.noiseBands = sbrHdr->noiseBands; + + sbrHdr->ampRes = GetBits(bsi, 1); + sbrHdr->startFreq = GetBits(bsi, 4); + sbrHdr->stopFreq = GetBits(bsi, 4); + sbrHdr->crossOverBand = GetBits(bsi, 3); + sbrHdr->resBitsHdr = GetBits(bsi, 2); + sbrHdr->hdrExtra1 = GetBits(bsi, 1); + sbrHdr->hdrExtra2 = GetBits(bsi, 1); + + if (sbrHdr->hdrExtra1) { + sbrHdr->freqScale = GetBits(bsi, 2); + sbrHdr->alterScale = GetBits(bsi, 1); + sbrHdr->noiseBands = GetBits(bsi, 2); + } else { + /* defaults */ + sbrHdr->freqScale = 2; + sbrHdr->alterScale = 1; + sbrHdr->noiseBands = 2; + } + + if (sbrHdr->hdrExtra2) { + sbrHdr->limiterBands = GetBits(bsi, 2); + sbrHdr->limiterGains = GetBits(bsi, 2); + sbrHdr->interpFreq = GetBits(bsi, 1); + sbrHdr->smoothMode = GetBits(bsi, 1); + } else { + /* defaults */ + sbrHdr->limiterBands = 2; + sbrHdr->limiterGains = 2; + sbrHdr->interpFreq = 1; + sbrHdr->smoothMode = 1; + } + sbrHdr->count++; + + /* if any of these have changed from previous frame, reset the SBR module */ + if (sbrHdr->startFreq != sbrHdrPrev.startFreq || sbrHdr->stopFreq != sbrHdrPrev.stopFreq || + sbrHdr->freqScale != sbrHdrPrev.freqScale || sbrHdr->alterScale != sbrHdrPrev.alterScale || + sbrHdr->crossOverBand != sbrHdrPrev.crossOverBand || sbrHdr->noiseBands != sbrHdrPrev.noiseBands + ) { + return -1; + } else { + return 0; + } +} + +/* cLog2[i] = ceil(log2(i)) (disregard i == 0) */ +static const unsigned char cLog2[9] = {0, 0, 1, 2, 2, 3, 3, 3, 3}; + +/************************************************************************************** + * Function: UnpackSBRGrid + * + * Description: unpack SBR grid (table 4.62) + * + * Inputs: BitStreamInfo struct pointing to start of SBR grid + * initialized SBRHeader struct for this SCE/CPE block + * + * Outputs: initialized SBRGrid struct for this channel + * + * Return: none + **************************************************************************************/ +static int UnpackSBRGrid(BitStreamInfo *bsi, SBRHeader *sbrHdr, SBRGrid *sbrGrid) +{ + int numEnvRaw, env, rel, pBits, border, middleBorder = 0; + unsigned char relBordLead[MAX_NUM_ENV], relBordTrail[MAX_NUM_ENV]; + unsigned char relBorder0[3], relBorder1[3], relBorder[3]; + unsigned char numRelBorder0, numRelBorder1, numRelBorder, numRelLead = 0, numRelTrail; + unsigned char absBordLead = 0, absBordTrail = 0, absBorder; + + sbrGrid->ampResFrame = sbrHdr->ampRes; + sbrGrid->frameClass = GetBits(bsi, 2); + switch (sbrGrid->frameClass) { + + case SBR_GRID_FIXFIX: + numEnvRaw = GetBits(bsi, 2); + sbrGrid->numEnv = (1 << numEnvRaw); + if (sbrGrid->numEnv == 1) { + sbrGrid->ampResFrame = 0; + } + + ASSERT(sbrGrid->numEnv == 1 || sbrGrid->numEnv == 2 || sbrGrid->numEnv == 4, ERR_AAC_SBR_BITSTREAM); + + sbrGrid->freqRes[0] = GetBits(bsi, 1); + for (env = 1; env < sbrGrid->numEnv; env++) { + sbrGrid->freqRes[env] = sbrGrid->freqRes[0]; + } + + absBordLead = 0; + absBordTrail = NUM_TIME_SLOTS; + numRelLead = sbrGrid->numEnv - 1; + numRelTrail = 0; + + /* numEnv = 1, 2, or 4 */ + if (sbrGrid->numEnv == 1) { + border = NUM_TIME_SLOTS / 1; + } else if (sbrGrid->numEnv == 2) { + border = NUM_TIME_SLOTS / 2; + } else { + border = NUM_TIME_SLOTS / 4; + } + + for (rel = 0; rel < numRelLead; rel++) { + relBordLead[rel] = border; + } + + middleBorder = (sbrGrid->numEnv >> 1); + + break; + + case SBR_GRID_FIXVAR: + absBorder = GetBits(bsi, 2) + NUM_TIME_SLOTS; + numRelBorder = GetBits(bsi, 2); + sbrGrid->numEnv = numRelBorder + 1; + for (rel = 0; rel < numRelBorder; rel++) { + relBorder[rel] = 2 * GetBits(bsi, 2) + 2; + } + + pBits = cLog2[sbrGrid->numEnv + 1]; + sbrGrid->pointer = GetBits(bsi, pBits); + + for (env = sbrGrid->numEnv - 1; env >= 0; env--) { + sbrGrid->freqRes[env] = GetBits(bsi, 1); + } + + absBordLead = 0; + absBordTrail = absBorder; + numRelLead = 0; + numRelTrail = numRelBorder; + + for (rel = 0; rel < numRelTrail; rel++) { + relBordTrail[rel] = relBorder[rel]; + } + + if (sbrGrid->pointer > 1) { + middleBorder = sbrGrid->numEnv + 1 - sbrGrid->pointer; + } else { + middleBorder = sbrGrid->numEnv - 1; + } + + break; + + case SBR_GRID_VARFIX: + absBorder = GetBits(bsi, 2); + numRelBorder = GetBits(bsi, 2); + sbrGrid->numEnv = numRelBorder + 1; + for (rel = 0; rel < numRelBorder; rel++) { + relBorder[rel] = 2 * GetBits(bsi, 2) + 2; + } + + pBits = cLog2[sbrGrid->numEnv + 1]; + sbrGrid->pointer = GetBits(bsi, pBits); + + for (env = 0; env < sbrGrid->numEnv; env++) { + sbrGrid->freqRes[env] = GetBits(bsi, 1); + } + + absBordLead = absBorder; + absBordTrail = NUM_TIME_SLOTS; + numRelLead = numRelBorder; + numRelTrail = 0; + + for (rel = 0; rel < numRelLead; rel++) { + relBordLead[rel] = relBorder[rel]; + } + + if (sbrGrid->pointer == 0) { + middleBorder = 1; + } else if (sbrGrid->pointer == 1) { + middleBorder = sbrGrid->numEnv - 1; + } else { + middleBorder = sbrGrid->pointer - 1; + } + + break; + + case SBR_GRID_VARVAR: + absBordLead = GetBits(bsi, 2); /* absBorder0 */ + absBordTrail = GetBits(bsi, 2) + NUM_TIME_SLOTS; /* absBorder1 */ + numRelBorder0 = GetBits(bsi, 2); + numRelBorder1 = GetBits(bsi, 2); + + sbrGrid->numEnv = numRelBorder0 + numRelBorder1 + 1; + ASSERT(sbrGrid->numEnv <= 5, ERR_AAC_SBR_BITSTREAM); + + for (rel = 0; rel < numRelBorder0; rel++) { + relBorder0[rel] = 2 * GetBits(bsi, 2) + 2; + } + + for (rel = 0; rel < numRelBorder1; rel++) { + relBorder1[rel] = 2 * GetBits(bsi, 2) + 2; + } + + pBits = cLog2[numRelBorder0 + numRelBorder1 + 2]; + sbrGrid->pointer = GetBits(bsi, pBits); + + for (env = 0; env < sbrGrid->numEnv; env++) { + sbrGrid->freqRes[env] = GetBits(bsi, 1); + } + + numRelLead = numRelBorder0; + numRelTrail = numRelBorder1; + + for (rel = 0; rel < numRelLead; rel++) { + relBordLead[rel] = relBorder0[rel]; + } + + for (rel = 0; rel < numRelTrail; rel++) { + relBordTrail[rel] = relBorder1[rel]; + } + + if (sbrGrid->pointer > 1) { + middleBorder = sbrGrid->numEnv + 1 - sbrGrid->pointer; + } else { + middleBorder = sbrGrid->numEnv - 1; + } + + break; + } + + /* build time border vector */ + sbrGrid->envTimeBorder[0] = absBordLead * SAMPLES_PER_SLOT; + + rel = 0; + border = absBordLead; + for (env = 1; env <= numRelLead; env++) { + border += relBordLead[rel++]; + sbrGrid->envTimeBorder[env] = border * SAMPLES_PER_SLOT; + } + + rel = 0; + border = absBordTrail; + for (env = sbrGrid->numEnv - 1; env > numRelLead; env--) { + border -= relBordTrail[rel++]; + sbrGrid->envTimeBorder[env] = border * SAMPLES_PER_SLOT; + } + + sbrGrid->envTimeBorder[sbrGrid->numEnv] = absBordTrail * SAMPLES_PER_SLOT; + + if (sbrGrid->numEnv > 1) { + sbrGrid->numNoiseFloors = 2; + sbrGrid->noiseTimeBorder[0] = sbrGrid->envTimeBorder[0]; + sbrGrid->noiseTimeBorder[1] = sbrGrid->envTimeBorder[middleBorder]; + sbrGrid->noiseTimeBorder[2] = sbrGrid->envTimeBorder[sbrGrid->numEnv]; + } else { + sbrGrid->numNoiseFloors = 1; + sbrGrid->noiseTimeBorder[0] = sbrGrid->envTimeBorder[0]; + sbrGrid->noiseTimeBorder[1] = sbrGrid->envTimeBorder[1]; + } + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: UnpackDeltaTimeFreq + * + * Description: unpack time/freq flags for delta coding of SBR envelopes (table 4.63) + * + * Inputs: BitStreamInfo struct pointing to start of dt/df flags + * number of envelopes + * number of noise floors + * + * Outputs: delta flags for envelope and noise floors + * + * Return: none + **************************************************************************************/ +static void UnpackDeltaTimeFreq(BitStreamInfo *bsi, int numEnv, unsigned char *deltaFlagEnv, + int numNoiseFloors, unsigned char *deltaFlagNoise) +{ + int env, noiseFloor; + + for (env = 0; env < numEnv; env++) { + deltaFlagEnv[env] = GetBits(bsi, 1); + } + + for (noiseFloor = 0; noiseFloor < numNoiseFloors; noiseFloor++) { + deltaFlagNoise[noiseFloor] = GetBits(bsi, 1); + } +} + +/************************************************************************************** + * Function: UnpackInverseFilterMode + * + * Description: unpack invf flags for chirp factor calculation (table 4.64) + * + * Inputs: BitStreamInfo struct pointing to start of invf flags + * number of noise floor bands + * + * Outputs: invf flags for noise floor bands + * + * Return: none + **************************************************************************************/ +static void UnpackInverseFilterMode(BitStreamInfo *bsi, int numNoiseFloorBands, unsigned char *mode) +{ + int n; + + for (n = 0; n < numNoiseFloorBands; n++) { + mode[n] = GetBits(bsi, 2); + } +} + +/************************************************************************************** + * Function: UnpackSinusoids + * + * Description: unpack sinusoid (harmonic) flags for each SBR subband (table 4.67) + * + * Inputs: BitStreamInfo struct pointing to start of sinusoid flags + * number of high resolution SBR subbands (nHigh) + * + * Outputs: sinusoid flags for each SBR subband, zero-filled above nHigh + * + * Return: none + **************************************************************************************/ +static void UnpackSinusoids(BitStreamInfo *bsi, int nHigh, int addHarmonicFlag, unsigned char *addHarmonic) +{ + int n; + + n = 0; + if (addHarmonicFlag) { + for (; n < nHigh; n++) { + addHarmonic[n] = GetBits(bsi, 1); + } + } + + /* zero out unused bands */ + for (; n < MAX_QMF_BANDS; n++) { + addHarmonic[n] = 0; + } +} + +/************************************************************************************** + * Function: CopyCouplingGrid + * + * Description: copy grid parameters from left to right for channel coupling + * + * Inputs: initialized SBRGrid struct for left channel + * + * Outputs: initialized SBRGrid struct for right channel + * + * Return: none + **************************************************************************************/ +static void CopyCouplingGrid(SBRGrid *sbrGridLeft, SBRGrid *sbrGridRight) +{ + int env, noiseFloor; + + sbrGridRight->frameClass = sbrGridLeft->frameClass; + sbrGridRight->ampResFrame = sbrGridLeft->ampResFrame; + sbrGridRight->pointer = sbrGridLeft->pointer; + + sbrGridRight->numEnv = sbrGridLeft->numEnv; + for (env = 0; env < sbrGridLeft->numEnv; env++) { + sbrGridRight->envTimeBorder[env] = sbrGridLeft->envTimeBorder[env]; + sbrGridRight->freqRes[env] = sbrGridLeft->freqRes[env]; + } + sbrGridRight->envTimeBorder[env] = sbrGridLeft->envTimeBorder[env]; /* borders are [0, numEnv] inclusive */ + + sbrGridRight->numNoiseFloors = sbrGridLeft->numNoiseFloors; + for (noiseFloor = 0; noiseFloor <= sbrGridLeft->numNoiseFloors; noiseFloor++) { + sbrGridRight->noiseTimeBorder[noiseFloor] = sbrGridLeft->noiseTimeBorder[noiseFloor]; + } + + /* numEnvPrev, numNoiseFloorsPrev, freqResPrev are updated in DecodeSBREnvelope() and DecodeSBRNoise() */ +} + +/************************************************************************************** + * Function: CopyCouplingInverseFilterMode + * + * Description: copy invf flags from left to right for channel coupling + * + * Inputs: invf flags for left channel + * number of noise floor bands + * + * Outputs: invf flags for right channel + * + * Return: none + **************************************************************************************/ +static void CopyCouplingInverseFilterMode(int numNoiseFloorBands, unsigned char *modeLeft, unsigned char *modeRight) +{ + int band; + + for (band = 0; band < numNoiseFloorBands; band++) { + modeRight[band] = modeLeft[band]; + } +} + +/************************************************************************************** + * Function: UnpackSBRSingleChannel + * + * Description: unpack sideband info (grid, delta flags, invf flags, envelope and + * noise floor configuration, sinusoids) for a single channel + * + * Inputs: BitStreamInfo struct pointing to start of sideband info + * initialized PSInfoSBR struct (after parsing SBR header and building + * frequency tables) + * base output channel (range = [0, nChans-1]) + * + * Outputs: updated PSInfoSBR struct (SBRGrid and SBRChan) + * + * Return: none + **************************************************************************************/ +int UnpackSBRSingleChannel(BitStreamInfo *bsi, PSInfoSBR *psi, int chBase) +{ + int bitsLeft; + int err = ERR_AAC_NONE; + SBRHeader *sbrHdr = &(psi->sbrHdr[chBase]); + SBRGrid *sbrGridL = &(psi->sbrGrid[chBase + 0]); + SBRFreq *sbrFreq = &(psi->sbrFreq[chBase]); + SBRChan *sbrChanL = &(psi->sbrChan[chBase + 0]); + + psi->dataExtra = GetBits(bsi, 1); + if (psi->dataExtra) { + psi->resBitsData = GetBits(bsi, 4); + } + + err = UnpackSBRGrid(bsi, sbrHdr, sbrGridL); + if (err) { + return err; + } + UnpackDeltaTimeFreq(bsi, sbrGridL->numEnv, sbrChanL->deltaFlagEnv, sbrGridL->numNoiseFloors, sbrChanL->deltaFlagNoise); + UnpackInverseFilterMode(bsi, sbrFreq->numNoiseFloorBands, sbrChanL->invfMode[1]); + + err = DecodeSBREnvelope(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + if (err) { + return err; + } + err = DecodeSBRNoise(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + if (err) { + return err; + } + + sbrChanL->addHarmonicFlag[1] = GetBits(bsi, 1); + UnpackSinusoids(bsi, sbrFreq->nHigh, sbrChanL->addHarmonicFlag[1], sbrChanL->addHarmonic[1]); + + psi->extendedDataPresent = GetBits(bsi, 1); + if (psi->extendedDataPresent) { + psi->extendedDataSize = GetBits(bsi, 4); + if (psi->extendedDataSize == 15) { + psi->extendedDataSize += GetBits(bsi, 8); + } + + bitsLeft = 8 * psi->extendedDataSize; + + /* get ID, unpack extension info, do whatever is necessary with it... */ + while (bitsLeft > 0) { + GetBits(bsi, 8); + bitsLeft -= 8; + } + } + return ERR_AAC_NONE; +} + +/************************************************************************************** + * Function: UnpackSBRChannelPair + * + * Description: unpack sideband info (grid, delta flags, invf flags, envelope and + * noise floor configuration, sinusoids) for a channel pair + * + * Inputs: BitStreamInfo struct pointing to start of sideband info + * initialized PSInfoSBR struct (after parsing SBR header and building + * frequency tables) + * base output channel (range = [0, nChans-1]) + * + * Outputs: updated PSInfoSBR struct (SBRGrid and SBRChan for both channels) + * + * Return: none + **************************************************************************************/ +int UnpackSBRChannelPair(BitStreamInfo *bsi, PSInfoSBR *psi, int chBase) +{ + int bitsLeft, err = ERR_AAC_NONE; + SBRHeader *sbrHdr = &(psi->sbrHdr[chBase]); + SBRGrid *sbrGridL = &(psi->sbrGrid[chBase + 0]), *sbrGridR = &(psi->sbrGrid[chBase + 1]); + SBRFreq *sbrFreq = &(psi->sbrFreq[chBase]); + SBRChan *sbrChanL = &(psi->sbrChan[chBase + 0]), *sbrChanR = &(psi->sbrChan[chBase + 1]); + + psi->dataExtra = GetBits(bsi, 1); + if (psi->dataExtra) { + psi->resBitsData = GetBits(bsi, 4); + psi->resBitsData = GetBits(bsi, 4); + } + + psi->couplingFlag = GetBits(bsi, 1); + if (psi->couplingFlag) { + err = UnpackSBRGrid(bsi, sbrHdr, sbrGridL); + if (err) { + return err; + } + CopyCouplingGrid(sbrGridL, sbrGridR); + + UnpackDeltaTimeFreq(bsi, sbrGridL->numEnv, sbrChanL->deltaFlagEnv, sbrGridL->numNoiseFloors, sbrChanL->deltaFlagNoise); + UnpackDeltaTimeFreq(bsi, sbrGridR->numEnv, sbrChanR->deltaFlagEnv, sbrGridR->numNoiseFloors, sbrChanR->deltaFlagNoise); + + UnpackInverseFilterMode(bsi, sbrFreq->numNoiseFloorBands, sbrChanL->invfMode[1]); + CopyCouplingInverseFilterMode(sbrFreq->numNoiseFloorBands, sbrChanL->invfMode[1], sbrChanR->invfMode[1]); + + err = DecodeSBREnvelope(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + if (err) { + return err; + } + DecodeSBRNoise(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + DecodeSBREnvelope(bsi, psi, sbrGridR, sbrFreq, sbrChanR, 1); + DecodeSBRNoise(bsi, psi, sbrGridR, sbrFreq, sbrChanR, 1); + + /* pass RIGHT sbrChan struct */ + UncoupleSBREnvelope(psi, sbrGridL, sbrFreq, sbrChanR); + UncoupleSBRNoise(psi, sbrGridL, sbrFreq, sbrChanR); + + } else { + UnpackSBRGrid(bsi, sbrHdr, sbrGridL); + UnpackSBRGrid(bsi, sbrHdr, sbrGridR); + UnpackDeltaTimeFreq(bsi, sbrGridL->numEnv, sbrChanL->deltaFlagEnv, sbrGridL->numNoiseFloors, sbrChanL->deltaFlagNoise); + UnpackDeltaTimeFreq(bsi, sbrGridR->numEnv, sbrChanR->deltaFlagEnv, sbrGridR->numNoiseFloors, sbrChanR->deltaFlagNoise); + UnpackInverseFilterMode(bsi, sbrFreq->numNoiseFloorBands, sbrChanL->invfMode[1]); + UnpackInverseFilterMode(bsi, sbrFreq->numNoiseFloorBands, sbrChanR->invfMode[1]); + + DecodeSBREnvelope(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + DecodeSBREnvelope(bsi, psi, sbrGridR, sbrFreq, sbrChanR, 1); + DecodeSBRNoise(bsi, psi, sbrGridL, sbrFreq, sbrChanL, 0); + DecodeSBRNoise(bsi, psi, sbrGridR, sbrFreq, sbrChanR, 1); + } + + sbrChanL->addHarmonicFlag[1] = GetBits(bsi, 1); + UnpackSinusoids(bsi, sbrFreq->nHigh, sbrChanL->addHarmonicFlag[1], sbrChanL->addHarmonic[1]); + + sbrChanR->addHarmonicFlag[1] = GetBits(bsi, 1); + UnpackSinusoids(bsi, sbrFreq->nHigh, sbrChanR->addHarmonicFlag[1], sbrChanR->addHarmonic[1]); + + psi->extendedDataPresent = GetBits(bsi, 1); + if (psi->extendedDataPresent) { + psi->extendedDataSize = GetBits(bsi, 4); + if (psi->extendedDataSize == 15) { + psi->extendedDataSize += GetBits(bsi, 8); + } + + bitsLeft = 8 * psi->extendedDataSize; + + /* get ID, unpack extension info, do whatever is necessary with it... */ + while (bitsLeft > 0) { + GetBits(bsi, 8); + bitsLeft -= 8; + } + } + return ERR_AAC_NONE; +} diff --git a/audio_codec/wfd_aac_decoder/sbrtabs.c b/audio_codec/wfd_aac_decoder/sbrtabs.c new file mode 100644 index 0000000..d7ba798 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/sbrtabs.c @@ -0,0 +1,400 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: sbrtabs.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * sbrtabs.c - platform-independent tables for SBR (global, read-only) + **************************************************************************************/ + +#include "sbr.h" + +/* k0Tab[sampRateIdx][k] = k0 = startMin + offset(bs_start_freq) for given sample rate (4.6.18.3.2.1) + * downsampled (single-rate) SBR not currently supported + */ +const unsigned char k0Tab[NUM_SAMPLE_RATES_SBR][16] = { + { 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 23, 27, 31 }, /* 96 kHz */ + { 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 23, 27, 31 }, /* 88 kHz */ + { 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 23, 26, 30 }, /* 64 kHz */ + { 7, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 22, 24, 27, 31 }, /* 48 kHz */ + { 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 23, 25, 28, 32 }, /* 44 kHz */ + { 10, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 27, 29, 32 }, /* 32 kHz */ + { 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 27, 29, 32 }, /* 24 kHz */ + { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 26, 28, 30 }, /* 22 kHz */ + { 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 }, /* 16 kHz */ +}; + +/* k2Tab[sampRateIdx][k] = stopVector(bs_stop_freq) for given sample rate, bs_stop_freq = [0, 13] (4.6.18.3.2.1) + * generated with Matlab script calc_stopvec.m + * downsampled (single-rate) SBR not currently supported + */ +const unsigned char k2Tab[NUM_SAMPLE_RATES_SBR][14] = { + { 13, 15, 17, 19, 21, 24, 27, 31, 35, 39, 44, 50, 57, 64 }, /* 96 kHz */ + { 15, 17, 19, 21, 23, 26, 29, 33, 37, 41, 46, 51, 57, 64 }, /* 88 kHz */ + { 20, 22, 24, 26, 28, 31, 34, 37, 41, 45, 49, 54, 59, 64 }, /* 64 kHz */ + { 21, 23, 25, 27, 29, 32, 35, 38, 41, 45, 49, 54, 59, 64 }, /* 48 kHz */ + { 23, 25, 27, 29, 31, 34, 37, 40, 43, 47, 51, 55, 59, 64 }, /* 44 kHz */ + { 32, 34, 36, 38, 40, 42, 44, 46, 49, 52, 55, 58, 61, 64 }, /* 32 kHz */ + { 32, 34, 36, 38, 40, 42, 44, 46, 49, 52, 55, 58, 61, 64 }, /* 24 kHz */ + { 35, 36, 38, 40, 42, 44, 46, 48, 50, 52, 55, 58, 61, 64 }, /* 22 kHz */ + { 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 60, 62, 64 }, /* 16 kHz */ +}; + +/* NINT(2.048E6 / Fs) (figure 4.47) + * downsampled (single-rate) SBR not currently supported + */ +const unsigned char goalSBTab[NUM_SAMPLE_RATES_SBR] = { + 21, 23, 32, 43, 46, 64, 85, 93, 128 +}; + +const HuffInfo huffTabSBRInfo[10] = { + {19, { 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, 2, 7, 4, 8, 72, 0}, 0}, + {20, { 0, 2, 2, 2, 2, 2, 1, 3, 3, 2, 4, 4, 4, 3, 2, 5, 6, 13, 15, 46}, 121}, + {17, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 2, 0, 0, 1, 25, 10, 0, 0, 0}, 242}, + {19, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 3, 1, 0, 1, 1, 2, 1, 29, 2, 0}, 291}, + {19, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 1, 2, 5, 1, 4, 2, 3, 34, 0}, 340}, + {20, { 1, 1, 1, 1, 1, 1, 0, 2, 2, 2, 2, 2, 1, 2, 3, 4, 4, 7, 10, 16}, 403}, + {14, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 13, 2, 0, 0, 0, 0, 0, 0}, 466}, + {14, { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 6, 8, 0, 0, 0, 0, 0, 0}, 491}, + {14, { 1, 1, 1, 1, 1, 1, 0, 2, 0, 1, 1, 0, 51, 2, 0, 0, 0, 0, 0, 0}, 516}, + { 8, { 1, 1, 1, 0, 1, 1, 0, 20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 579}, +}; + +/* Huffman tables from appendix 4.A.6.1, includes offset of -LAV[i] for table i */ +const signed short huffTabSBR[604] = { + /* SBR table sbr_tenv15 [121] (signed) */ + 0, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, -6, 6, -7, 7, -8, + -9, 8, -10, 9, -11, 10, -12, -13, 11, -14, 12, -15, -16, 13, -19, -18, + -17, 14, -24, -20, 16, -26, -21, 15, -23, -25, -22, -60, -59, -58, -57, -56, + -55, -54, -53, -52, -51, -50, -49, -48, -47, -46, -45, -44, -43, -42, -41, -40, + -39, -38, -37, -36, -35, -34, -33, -32, -31, -30, -29, -28, -27, 17, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, + 52, 53, 54, 55, 56, 57, 58, 59, 60, + /* SBR table sbr_fenv15 [121] (signed) */ + 0, -1, 1, -2, -3, 2, -4, 3, -5, 4, -6, 5, -7, 6, -8, 7, + -9, 8, -10, 9, -11, 10, 11, -12, 12, -13, 13, 14, -14, -15, 15, 16, + 17, -16, -17, -18, -19, 18, 19, -20, -21, 20, 21, -24, -23, -22, -26, -28, + 22, 23, 25, -41, -25, 26, 27, -30, -27, 24, 28, 44, -51, -46, -44, -43, + -37, -33, -31, -29, 30, 37, 42, 47, 48, -60, -59, -58, -57, -56, -55, -54, + -53, -52, -50, -49, -48, -47, -45, -42, -40, -39, -38, -36, -35, -34, -32, 29, + 31, 32, 33, 34, 35, 36, 38, 39, 40, 41, 43, 45, 46, 49, 50, 51, + 52, 53, 54, 55, 56, 57, 58, 59, 60, + /* SBR table sbr_tenv15b [49] (signed) */ + 0, 1, -1, 2, -2, 3, -3, 4, -4, -5, 5, -6, 6, 7, -7, 8, + -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -12, -11, -10, -9, + -8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, + 24, + /* SBR table sbr_fenv15b [49] (signed) */ + 0, -1, 1, -2, 2, 3, -3, -4, 4, -5, 5, -6, 6, -7, 7, 8, + -9, -8, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -12, -11, + -10, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, + 24, + /* SBR table sbr_tenv30 [63] (signed) */ + 0, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, -6, -7, 6, -8, 7, + -9, -10, 8, 9, 10, -13, -11, -12, -14, 11, 12, -31, -30, -29, -28, -27, + -26, -25, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + /* SBR table sbr_fenv30 [63] (signed) */ + 0, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, -6, 6, -7, 7, -8, + 8, 9, -9, -10, 10, 11, -11, -12, 12, 13, -13, -15, 14, 15, -14, 18, + -18, -24, -19, 16, 17, -22, -21, -16, 20, 21, 22, 25, -23, -20, 24, -31, + -30, -29, -28, -27, -26, -25, -17, 19, 23, 26, 27, 28, 29, 30, 31, + /* SBR table sbr_tenv30b [25] (signed) */ + 0, 1, -1, -2, 2, 3, -3, -4, 4, -5, -12, -11, -10, -9, -8, -7, + -6, 5, 6, 7, 8, 9, 10, 11, 12, + /* SBR table sbr_fenv30b [25] (signed) */ + 0, -1, 1, -2, 2, 3, -3, -4, 4, -5, 5, 6, -12, -11, -10, -9, + -8, -7, -6, 7, 8, 9, 10, 11, 12, + /* SBR table sbr_tnoise30 [63] (signed) */ + 0, 1, -1, -2, 2, -3, 3, -4, 4, -5, 5, 11, -31, -30, -29, -28, + -27, -26, -25, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -12, + -11, -10, -9, -8, -7, -6, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + /* SBR table sbr_tnoise30b [25] (signed) */ + 0, -1, 1, -2, 2, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, 3, + 4, 5, 6, 7, 8, 9, 10, 11, 12, +}; + +/* log2Tab[x] = floor(log2(x)), format = Q28 */ +const int log2Tab[65] = { + 0x00000000, 0x00000000, 0x10000000, 0x195c01a3, 0x20000000, 0x25269e12, 0x295c01a3, 0x2ceaecfe, + 0x30000000, 0x32b80347, 0x35269e12, 0x3759d4f8, 0x395c01a3, 0x3b350047, 0x3ceaecfe, 0x3e829fb6, + 0x40000000, 0x41663f6f, 0x42b80347, 0x43f782d7, 0x45269e12, 0x4646eea2, 0x4759d4f8, 0x48608280, + 0x495c01a3, 0x4a4d3c25, 0x4b350047, 0x4c1404ea, 0x4ceaecfe, 0x4dba4a47, 0x4e829fb6, 0x4f446359, + 0x50000000, 0x50b5d69b, 0x51663f6f, 0x52118b11, 0x52b80347, 0x5359ebc5, 0x53f782d7, 0x549101ea, + 0x55269e12, 0x55b88873, 0x5646eea2, 0x56d1fafd, 0x5759d4f8, 0x57dea15a, 0x58608280, 0x58df988f, + 0x595c01a3, 0x59d5d9fd, 0x5a4d3c25, 0x5ac24113, 0x5b350047, 0x5ba58feb, 0x5c1404ea, 0x5c80730b, + 0x5ceaecfe, 0x5d53847a, 0x5dba4a47, 0x5e1f4e51, 0x5e829fb6, 0x5ee44cd5, 0x5f446359, 0x5fa2f045, + 0x60000000 +}; + +/* coefficient table 4.A.87, format = Q31 + * reordered as: + * cTab[0], cTab[64], cTab[128], cTab[192], cTab[256], + * cTab[2], cTab[66], cTab[130], cTab[194], cTab[258], + * ... + * cTab[64], cTab[128], cTab[192], cTab[256], cTab[320] + * + * NOTE: cTab[1, 2, ... , 318, 319] = cTab[639, 638, ... 322, 321] + * except cTab[384] = -cTab[256], cTab[512] = -cTab[128] + */ +const int cTabA[165] = { + 0x00000000, 0x0055dba1, 0x01b2e41d, 0x09015651, 0x2e3a7532, 0xffed978a, 0x006090c4, 0x01fd3ba0, 0x08a24899, 0x311af3a4, + 0xfff0065d, 0x006b47fa, 0x024bf7a1, 0x082f552e, 0x33ff670e, 0xffef7b8b, 0x0075fded, 0x029e35b4, 0x07a8127d, 0x36e69691, + 0xffee1650, 0x00807994, 0x02f3e48d, 0x070bbf58, 0x39ce0477, 0xffecc31b, 0x008a7dd7, 0x034d01f0, 0x06593912, 0x3cb41219, + 0xffeb50b2, 0x009424c6, 0x03a966bb, 0x0590a67d, 0x3f962fb8, 0xffe9ca76, 0x009d10bf, 0x04083fec, 0x04b0adcb, 0x4272a385, + 0xffe88ba8, 0x00a520bb, 0x04694101, 0x03b8f8dc, 0x4547daea, 0xffe79e16, 0x00abe79e, 0x04cc2fcf, 0x02a99097, 0x4812f848, + 0xffe6d466, 0x00b1978d, 0x05303f87, 0x01816e06, 0x4ad237a2, 0xffe65416, 0x00b5c867, 0x05950122, 0x0040c496, 0x4d83976c, + 0xffe66dd0, 0x00b8394b, 0x05f9c051, 0xfee723c6, 0x5024d70e, 0xffe69423, 0x00b8c6b0, 0x065dd56a, 0xfd7475d8, 0x52b449de, + 0xffe75361, 0x00b73ab0, 0x06c0f0c0, 0xfbe8f5bd, 0x552f8ff7, 0xffe85b4b, 0x00b36acd, 0x0721bf22, 0xfa44a069, 0x579505f5, + 0xffea353a, 0x00acbd2f, 0x077fedb3, 0xf887507c, 0x59e2f69e, 0xffec8409, 0x00a3508f, 0x07da2b7f, 0xf6b1f3c3, 0x5c16d0ae, + 0xffef2395, 0x0096dcc2, 0x08303897, 0xf4c473c6, 0x5e2f6367, 0xfff294c3, 0x00872c63, 0x0880ffdd, 0xf2bf6ea4, 0x602b0c7f, + 0xfff681d6, 0x007400b8, 0x08cb4e23, 0xf0a3959f, 0x6207f220, 0xfffb42b0, 0x005d36df, 0x090ec1fc, 0xee71b2fe, 0x63c45243, + 0x00007134, 0x00426f36, 0x0949eaac, 0xec2a3f5f, 0x655f63f2, 0x0006b1cf, 0x0023b989, 0x097c1ee8, 0xe9cea84a, 0x66d76725, + 0x000d31b5, 0x0000e790, 0x09a3e163, 0xe75f8bb8, 0x682b39a4, 0x001471f8, 0xffda17f2, 0x09c0e59f, 0xe4de0cb0, 0x6959709d, + 0x001c3549, 0xffaea5d6, 0x09d19ca9, 0xe24b8f66, 0x6a619c5e, 0x0024dd50, 0xff7ee3f1, 0x09d5560b, 0xdfa93ab5, 0x6b42a864, + 0x002d8e42, 0xff4aabc8, 0x09caeb0f, 0xdcf898fb, 0x6bfbdd98, 0x003745f9, 0xff120d70, 0x09b18a1d, 0xda3b176a, 0x6c8c4c7a, + 0x004103f4, 0xfed4bec3, 0x09881dc5, 0xd7722f04, 0x6cf4073e, 0x004b6c46, 0xfe933dc0, 0x094d7ec2, 0xd49fd55f, 0x6d32730f, + 0x0055dba1, 0x01b2e41d, 0x09015651, 0x2e3a7532, 0x6d474e1d, +}; + +/* coefficient table 4.A.87, format = Q31 + * reordered as cTab[0], cTab[64], cTab[128], ... cTab[576], cTab[1], cTab[65], cTab[129], ... cTab[639] + * keeping full table (not using symmetry) to allow sequential access in synth filter inner loop + * format = Q31 + */ +const int cTabS[640] = { + 0x00000000, 0x0055dba1, 0x01b2e41d, 0x09015651, 0x2e3a7532, 0x6d474e1d, 0xd1c58ace, 0x09015651, 0xfe4d1be3, 0x0055dba1, + 0xffede50e, 0x005b5371, 0x01d78bfc, 0x08d3e41b, 0x2faa221c, 0x6d41d963, 0xd3337b3d, 0x09299ead, 0xfe70b8d1, 0x0050b177, + 0xffed978a, 0x006090c4, 0x01fd3ba0, 0x08a24899, 0x311af3a4, 0x6d32730f, 0xd49fd55f, 0x094d7ec2, 0xfe933dc0, 0x004b6c46, + 0xffefc9b9, 0x0065fde5, 0x02244a24, 0x086b1eeb, 0x328cc6f0, 0x6d18520e, 0xd60a46e5, 0x096d0e21, 0xfeb48d0d, 0x00465348, + 0xfff0065d, 0x006b47fa, 0x024bf7a1, 0x082f552e, 0x33ff670e, 0x6cf4073e, 0xd7722f04, 0x09881dc5, 0xfed4bec3, 0x004103f4, + 0xffeff6ca, 0x0070c8a5, 0x0274ba43, 0x07ee507c, 0x3572ec70, 0x6cc59bab, 0xd8d7f21f, 0x099ec3dc, 0xfef3f6ab, 0x003c1fa4, + 0xffef7b8b, 0x0075fded, 0x029e35b4, 0x07a8127d, 0x36e69691, 0x6c8c4c7a, 0xda3b176a, 0x09b18a1d, 0xff120d70, 0x003745f9, + 0xffeedfa4, 0x007b3875, 0x02c89901, 0x075ca90c, 0x385a49c4, 0x6c492217, 0xdb9b5b12, 0x09c018ce, 0xff2ef725, 0x00329ab6, + 0xffee1650, 0x00807994, 0x02f3e48d, 0x070bbf58, 0x39ce0477, 0x6bfbdd98, 0xdcf898fb, 0x09caeb0f, 0xff4aabc8, 0x002d8e42, + 0xffed651d, 0x0085c217, 0x03201116, 0x06b559c3, 0x3b415115, 0x6ba4629f, 0xde529086, 0x09d1fa23, 0xff6542d1, 0x00293718, + 0xffecc31b, 0x008a7dd7, 0x034d01f0, 0x06593912, 0x3cb41219, 0x6b42a864, 0xdfa93ab5, 0x09d5560b, 0xff7ee3f1, 0x0024dd50, + 0xffebe77b, 0x008f4bfc, 0x037ad438, 0x05f7fb90, 0x3e25b17e, 0x6ad73e8d, 0xe0fc421e, 0x09d52709, 0xff975c01, 0x002064f8, + 0xffeb50b2, 0x009424c6, 0x03a966bb, 0x0590a67d, 0x3f962fb8, 0x6a619c5e, 0xe24b8f66, 0x09d19ca9, 0xffaea5d6, 0x001c3549, + 0xffea9192, 0x0098b855, 0x03d8afe6, 0x05237f9d, 0x41058bc6, 0x69e29784, 0xe396a45d, 0x09cab9f2, 0xffc4e365, 0x0018703f, + 0xffe9ca76, 0x009d10bf, 0x04083fec, 0x04b0adcb, 0x4272a385, 0x6959709d, 0xe4de0cb0, 0x09c0e59f, 0xffda17f2, 0x001471f8, + 0xffe940f4, 0x00a1039c, 0x043889c6, 0x0437fb0a, 0x43de620a, 0x68c7269b, 0xe620c476, 0x09b3d77f, 0xffee183b, 0x0010bc63, + 0xffe88ba8, 0x00a520bb, 0x04694101, 0x03b8f8dc, 0x4547daea, 0x682b39a4, 0xe75f8bb8, 0x09a3e163, 0x0000e790, 0x000d31b5, + 0xffe83a07, 0x00a8739d, 0x049aa82f, 0x03343533, 0x46aea856, 0x6785c24d, 0xe89971b7, 0x099140a7, 0x00131c75, 0x0009aa3f, + 0xffe79e16, 0x00abe79e, 0x04cc2fcf, 0x02a99097, 0x4812f848, 0x66d76725, 0xe9cea84a, 0x097c1ee8, 0x0023b989, 0x0006b1cf, + 0xffe7746e, 0x00af374c, 0x04fe20be, 0x02186a91, 0x4973fef1, 0x661fd6b8, 0xeafee7f1, 0x0963ed46, 0x0033b927, 0x00039609, + 0xffe6d466, 0x00b1978d, 0x05303f87, 0x01816e06, 0x4ad237a2, 0x655f63f2, 0xec2a3f5f, 0x0949eaac, 0x00426f36, 0x00007134, + 0xffe6afee, 0x00b3d15c, 0x05626209, 0x00e42fa2, 0x4c2ca3df, 0x64964063, 0xed50a31d, 0x092d7970, 0x00504f41, 0xfffdfa25, + 0xffe65416, 0x00b5c867, 0x05950122, 0x0040c496, 0x4d83976c, 0x63c45243, 0xee71b2fe, 0x090ec1fc, 0x005d36df, 0xfffb42b0, + 0xffe681c6, 0x00b74c37, 0x05c76fed, 0xff96db90, 0x4ed62be3, 0x62ea6474, 0xef8d4d7b, 0x08edfeaa, 0x006928a0, 0xfff91fca, + 0xffe66dd0, 0x00b8394b, 0x05f9c051, 0xfee723c6, 0x5024d70e, 0x6207f220, 0xf0a3959f, 0x08cb4e23, 0x007400b8, 0xfff681d6, + 0xffe66fac, 0x00b8fe0d, 0x062bf5ec, 0xfe310657, 0x516eefb9, 0x611d58a3, 0xf1b461ab, 0x08a75da4, 0x007e0393, 0xfff48700, + 0xffe69423, 0x00b8c6b0, 0x065dd56a, 0xfd7475d8, 0x52b449de, 0x602b0c7f, 0xf2bf6ea4, 0x0880ffdd, 0x00872c63, 0xfff294c3, + 0xffe6fed4, 0x00b85f70, 0x068f8b44, 0xfcb1d740, 0x53f495aa, 0x5f30ff5f, 0xf3c4e887, 0x08594887, 0x008f87aa, 0xfff0e7ef, + 0xffe75361, 0x00b73ab0, 0x06c0f0c0, 0xfbe8f5bd, 0x552f8ff7, 0x5e2f6367, 0xf4c473c6, 0x08303897, 0x0096dcc2, 0xffef2395, + 0xffe80414, 0x00b58c8c, 0x06f1825d, 0xfb19b7bd, 0x56654bdd, 0x5d26be9b, 0xf5be0fa9, 0x08061671, 0x009da526, 0xffedc418, + 0xffe85b4b, 0x00b36acd, 0x0721bf22, 0xfa44a069, 0x579505f5, 0x5c16d0ae, 0xf6b1f3c3, 0x07da2b7f, 0x00a3508f, 0xffec8409, + 0xffe954d0, 0x00b06b68, 0x075112a2, 0xf96916f5, 0x58befacd, 0x5b001db8, 0xf79fa13a, 0x07ad8c26, 0x00a85e94, 0xffeb3849, + 0xffea353a, 0x00acbd2f, 0x077fedb3, 0xf887507c, 0x59e2f69e, 0x59e2f69e, 0xf887507c, 0x077fedb3, 0x00acbd2f, 0xffea353a, + 0xffeb3849, 0x00a85e94, 0x07ad8c26, 0xf79fa13a, 0x5b001db8, 0x58befacd, 0xf96916f5, 0x075112a2, 0x00b06b68, 0xffe954d0, + 0xffec8409, 0x00a3508f, 0x07da2b7f, 0xf6b1f3c3, 0x5c16d0ae, 0x579505f5, 0xfa44a069, 0x0721bf22, 0x00b36acd, 0xffe85b4b, + 0xffedc418, 0x009da526, 0x08061671, 0xf5be0fa9, 0x5d26be9b, 0x56654bdd, 0xfb19b7bd, 0x06f1825d, 0x00b58c8c, 0xffe80414, + 0xffef2395, 0x0096dcc2, 0x08303897, 0xf4c473c6, 0x5e2f6367, 0x552f8ff7, 0xfbe8f5bd, 0x06c0f0c0, 0x00b73ab0, 0xffe75361, + 0xfff0e7ef, 0x008f87aa, 0x08594887, 0xf3c4e887, 0x5f30ff5f, 0x53f495aa, 0xfcb1d740, 0x068f8b44, 0x00b85f70, 0xffe6fed4, + 0xfff294c3, 0x00872c63, 0x0880ffdd, 0xf2bf6ea4, 0x602b0c7f, 0x52b449de, 0xfd7475d8, 0x065dd56a, 0x00b8c6b0, 0xffe69423, + 0xfff48700, 0x007e0393, 0x08a75da4, 0xf1b461ab, 0x611d58a3, 0x516eefb9, 0xfe310657, 0x062bf5ec, 0x00b8fe0d, 0xffe66fac, + 0xfff681d6, 0x007400b8, 0x08cb4e23, 0xf0a3959f, 0x6207f220, 0x5024d70e, 0xfee723c6, 0x05f9c051, 0x00b8394b, 0xffe66dd0, + 0xfff91fca, 0x006928a0, 0x08edfeaa, 0xef8d4d7b, 0x62ea6474, 0x4ed62be3, 0xff96db90, 0x05c76fed, 0x00b74c37, 0xffe681c6, + 0xfffb42b0, 0x005d36df, 0x090ec1fc, 0xee71b2fe, 0x63c45243, 0x4d83976c, 0x0040c496, 0x05950122, 0x00b5c867, 0xffe65416, + 0xfffdfa25, 0x00504f41, 0x092d7970, 0xed50a31d, 0x64964063, 0x4c2ca3df, 0x00e42fa2, 0x05626209, 0x00b3d15c, 0xffe6afee, + 0x00007134, 0x00426f36, 0x0949eaac, 0xec2a3f5f, 0x655f63f2, 0x4ad237a2, 0x01816e06, 0x05303f87, 0x00b1978d, 0xffe6d466, + 0x00039609, 0x0033b927, 0x0963ed46, 0xeafee7f1, 0x661fd6b8, 0x4973fef1, 0x02186a91, 0x04fe20be, 0x00af374c, 0xffe7746e, + 0x0006b1cf, 0x0023b989, 0x097c1ee8, 0xe9cea84a, 0x66d76725, 0x4812f848, 0x02a99097, 0x04cc2fcf, 0x00abe79e, 0xffe79e16, + 0x0009aa3f, 0x00131c75, 0x099140a7, 0xe89971b7, 0x6785c24d, 0x46aea856, 0x03343533, 0x049aa82f, 0x00a8739d, 0xffe83a07, + 0x000d31b5, 0x0000e790, 0x09a3e163, 0xe75f8bb8, 0x682b39a4, 0x4547daea, 0x03b8f8dc, 0x04694101, 0x00a520bb, 0xffe88ba8, + 0x0010bc63, 0xffee183b, 0x09b3d77f, 0xe620c476, 0x68c7269b, 0x43de620a, 0x0437fb0a, 0x043889c6, 0x00a1039c, 0xffe940f4, + 0x001471f8, 0xffda17f2, 0x09c0e59f, 0xe4de0cb0, 0x6959709d, 0x4272a385, 0x04b0adcb, 0x04083fec, 0x009d10bf, 0xffe9ca76, + 0x0018703f, 0xffc4e365, 0x09cab9f2, 0xe396a45d, 0x69e29784, 0x41058bc6, 0x05237f9d, 0x03d8afe6, 0x0098b855, 0xffea9192, + 0x001c3549, 0xffaea5d6, 0x09d19ca9, 0xe24b8f66, 0x6a619c5e, 0x3f962fb8, 0x0590a67d, 0x03a966bb, 0x009424c6, 0xffeb50b2, + 0x002064f8, 0xff975c01, 0x09d52709, 0xe0fc421e, 0x6ad73e8d, 0x3e25b17e, 0x05f7fb90, 0x037ad438, 0x008f4bfc, 0xffebe77b, + 0x0024dd50, 0xff7ee3f1, 0x09d5560b, 0xdfa93ab5, 0x6b42a864, 0x3cb41219, 0x06593912, 0x034d01f0, 0x008a7dd7, 0xffecc31b, + 0x00293718, 0xff6542d1, 0x09d1fa23, 0xde529086, 0x6ba4629f, 0x3b415115, 0x06b559c3, 0x03201116, 0x0085c217, 0xffed651d, + 0x002d8e42, 0xff4aabc8, 0x09caeb0f, 0xdcf898fb, 0x6bfbdd98, 0x39ce0477, 0x070bbf58, 0x02f3e48d, 0x00807994, 0xffee1650, + 0x00329ab6, 0xff2ef725, 0x09c018ce, 0xdb9b5b12, 0x6c492217, 0x385a49c4, 0x075ca90c, 0x02c89901, 0x007b3875, 0xffeedfa4, + 0x003745f9, 0xff120d70, 0x09b18a1d, 0xda3b176a, 0x6c8c4c7a, 0x36e69691, 0x07a8127d, 0x029e35b4, 0x0075fded, 0xffef7b8b, + 0x003c1fa4, 0xfef3f6ab, 0x099ec3dc, 0xd8d7f21f, 0x6cc59bab, 0x3572ec70, 0x07ee507c, 0x0274ba43, 0x0070c8a5, 0xffeff6ca, + 0x004103f4, 0xfed4bec3, 0x09881dc5, 0xd7722f04, 0x6cf4073e, 0x33ff670e, 0x082f552e, 0x024bf7a1, 0x006b47fa, 0xfff0065d, + 0x00465348, 0xfeb48d0d, 0x096d0e21, 0xd60a46e5, 0x6d18520e, 0x328cc6f0, 0x086b1eeb, 0x02244a24, 0x0065fde5, 0xffefc9b9, + 0x004b6c46, 0xfe933dc0, 0x094d7ec2, 0xd49fd55f, 0x6d32730f, 0x311af3a4, 0x08a24899, 0x01fd3ba0, 0x006090c4, 0xffed978a, + 0x0050b177, 0xfe70b8d1, 0x09299ead, 0xd3337b3d, 0x6d41d963, 0x2faa221c, 0x08d3e41b, 0x01d78bfc, 0x005b5371, 0xffede50f, +}; + +/* noise table 4.A.88, format = Q31 */ +const int noiseTab[512 * 2] = { + 0x8010fd38, 0xb3dc7948, 0x7c4e2301, 0xa9904192, 0x121622a7, 0x86489625, 0xc3d53d25, 0xd0343fa9, + 0x674d6f70, 0x25f4e9fd, 0xce1a8c8b, 0x72a726c5, 0xfea6efc6, 0xaa4adb1a, 0x8b2dd628, 0xf14029e4, + 0x46321c1a, 0x604889a0, 0x33363b63, 0x815ed069, 0x802b4315, 0x8f2bf7f3, 0x85b86073, 0x745cfb46, + 0xc57886b3, 0xb76731f0, 0xa2a66772, 0x828ca631, 0x60cc145e, 0x1ad1010f, 0x090c83d4, 0x9bd7ba87, + 0x5f5aeea2, 0x8b4dbd99, 0x848e7b1e, 0x86bb9fa2, 0x26f18ae5, 0xc0b81194, 0x553407bf, 0x52c17953, + 0x755f468d, 0x166b04f8, 0xa5687981, 0x4343248b, 0xa6558d5e, 0xc5f6fab7, 0x80a4fb8c, 0x8cb53cb7, + 0x7da68a54, 0x9cd8df8a, 0xba05376c, 0xfcb58ee2, 0xfdd657a4, 0x005e35ca, 0x91c75c55, 0x367651e6, + 0x816abf85, 0x8f831c4f, 0x423f9c9c, 0x55aa919e, 0x80779834, 0xb59f4244, 0x800a095c, 0x7de9e0cc, + 0x46bda5cb, 0x4c184464, 0x2c438f71, 0x797216b5, 0x5035cee6, 0xa0c3a26e, 0x9d3f95fa, 0xd4a100c0, + 0x8ac30dac, 0x04b87397, 0x9e5ac516, 0x8b0b442e, 0x66210ad6, 0x88ba7598, 0x45b9bd33, 0xf0be5087, + 0x9261b85e, 0x364f6a31, 0x891c4b50, 0x23ad08ce, 0xf10366a6, 0x80414276, 0x1b562e06, 0x8be21591, + 0x9e798195, 0x7fb4045c, 0x7d9506cf, 0x854e691f, 0x9207f092, 0x7a94c9d5, 0x88911536, 0x3f45cc61, + 0x27059279, 0xa5b57109, 0x6d2bb67b, 0x3bdc5379, 0x74e662d8, 0x80348f8c, 0xf875e638, 0x5a8caea1, + 0x2459ae75, 0x2c54b939, 0x79ee3203, 0xb9bc8683, 0x9b6f630c, 0x9f45b351, 0x8563b2b9, 0xe5dbba41, + 0x697c7d0d, 0x7bb7c90e, 0xac900866, 0x8e6b5177, 0x8822dd37, 0x7fd5a91e, 0x7506da05, 0x82302aca, + 0xa5e4be04, 0x4b4288eb, 0x00b8bc9f, 0x4f1033e4, 0x7200d612, 0x43900c8c, 0xa815b900, 0x676ed1d4, + 0x5c5f23b2, 0xa758ee11, 0xaf73abfa, 0x11714ec0, 0x265239e0, 0xc50de679, 0x8a84e341, 0xa1438354, + 0x7f1a341f, 0x343ec96b, 0x696e71b0, 0xa13bde39, 0x81e75094, 0x80091111, 0x853a73bf, 0x80f9c1ee, + 0xe4980086, 0x886a8e28, 0xa7e89426, 0xdd93edd7, 0x7592100d, 0x0bfa8123, 0x850a26d4, 0x2e34f395, + 0x421b6c00, 0xa4a462e4, 0x4e3f5090, 0x3c189f4c, 0x3c971a56, 0xdd0376d2, 0x747a5367, 0x7bcbc9d7, + 0x3966be6a, 0x7efda616, 0x55445e15, 0x7ba2ab3f, 0x5fe684f2, 0x8cf42af9, 0x808c61c3, 0x4390c27b, + 0x7cac62ff, 0xea6cab22, 0x5d0902ad, 0xc27b7208, 0x7a27389d, 0x5820a357, 0xa29bbe59, 0x9df0f1fd, + 0x92bd67e5, 0x7195b587, 0x97cac65b, 0x8339807e, 0x8f72d832, 0x5fad8685, 0xa462d9d3, 0x81d46214, + 0x6ae93e1d, 0x6b23a5b9, 0xc2732874, 0x81795268, 0x7c568cb6, 0x668513ea, 0x428d024e, 0x66b78b3a, + 0xfee9ef03, 0x9ddcbb82, 0xa605f07e, 0x46dc55e0, 0x85415054, 0xc89ec271, 0x7c42edfb, 0x0befe59b, + 0x89b8f607, 0x6d732a1a, 0xa7081ebd, 0x7e403258, 0x21feeb7b, 0x5dd7a1e7, 0x23e3a31a, 0x129bc896, + 0xa11a6b54, 0x7f1e031c, 0xfdc1a4d1, 0x96402e53, 0xb9700f1a, 0x8168ecd6, 0x7d63d3cc, 0x87a70d65, + 0x81075a7a, 0x55c8caa7, 0xa95d00b5, 0x102b1652, 0x0bb30215, 0xe5b63237, 0xa446ca44, 0x82d4c333, + 0x67b2e094, 0x44c3d661, 0x33fd6036, 0xde1ea2a1, 0xa95e8e47, 0x78f66eb9, 0x6f2aef1e, 0xe8887247, + 0x80a3b70e, 0xfca0d9d3, 0x6bf0fd20, 0x0d5226de, 0xf4341c87, 0x5902df05, 0x7ff1a38d, 0xf02e5a5b, + 0x99f129af, 0x8ac63d01, 0x7b53f599, 0x7bb32532, 0x99ac59b0, 0x5255a80f, 0xf1320a41, 0x2497aa5c, + 0xcce60bd8, 0x787c634b, 0x7ed58c5b, 0x8a28eb3a, 0x24a5e647, 0x8b79a2c1, 0x955f5ce5, 0xa9d12bc4, + 0x7a1e20c6, 0x3eeda7ac, 0xf7be823a, 0x042924ce, 0x808b3f03, 0x364248da, 0xac2895e5, 0x69a8b5fa, + 0x97fe8b63, 0xbdeac9aa, 0x8073e0ad, 0x6c25dba7, 0x005e51d2, 0x52e74389, 0x59d3988c, 0xe5d1f39c, + 0x7b57dc91, 0x341adbe7, 0xa7d42b8d, 0x74e9f335, 0xd35bf7d8, 0x5b7c0a4b, 0x75bc0874, 0x552129bf, + 0x8144b70d, 0x6de93bbb, 0x5825f14b, 0x473ec5ca, 0x80a8f37c, 0xe6552d69, 0x7898360b, 0x806379b0, + 0xa9b59339, 0x3f6bf60c, 0xc367d731, 0x920ade99, 0x125592f7, 0x877e5ed1, 0xda895d95, 0x075f2ece, + 0x380e5f5e, 0x9b006b62, 0xd17a6dd2, 0x530a0e13, 0xf4cc9a14, 0x7d0a0ed4, 0x847c6e3f, 0xbaee4975, + 0x47131163, 0x64fb2cac, 0x5e2100a6, 0x7b756a42, 0xd87609f4, 0x98bfe48c, 0x0493745e, 0x836c5784, + 0x7e5ccb40, 0x3df6b476, 0x97700d28, 0x8bbd93fd, 0x56de9cdb, 0x680b4e65, 0xebc3d90e, 0x6d286793, + 0x6753712e, 0xe05c98a7, 0x3d2b6b85, 0xc4b18ddb, 0x7b59b869, 0x31435688, 0x811888e9, 0xe011ee7a, + 0x6a5844f9, 0x86ae35ea, 0xb4cbc10b, 0x01a6f5d6, 0x7a49ed64, 0x927caa49, 0x847ddaed, 0xae0d9bb6, + 0x836bdb04, 0x0fd810a6, 0x74fe126b, 0x4a346b5f, 0x80184d36, 0x5afd153c, 0x90cc8102, 0xe606d0e6, + 0xde69aa58, 0xa89f1222, 0xe06df715, 0x8fd16144, 0x0317c3e8, 0x22ce92fc, 0x690c3eca, 0x93166f02, + 0x71573414, 0x8d43cffb, 0xe8bd0bb6, 0xde86770f, 0x0bf99a41, 0x4633a661, 0xba064108, 0x7adafae3, + 0x2f6cde5d, 0xb350a52c, 0xa5ebfb0b, 0x74c57b46, 0xd3b603b5, 0x80b70892, 0xa7f7fa53, 0xd94b566c, + 0xdda3fd86, 0x6a635793, 0x3ed005ca, 0xc5f087d8, 0x31e3a746, 0x7a4278f9, 0x82def1f9, 0x06caa2b2, + 0xe9d2c349, 0x8940e7f7, 0x7feef8dd, 0x4a9b01f0, 0xacde69f8, 0x57ddc280, 0xf09e4ba4, 0xb6d9f729, + 0xb48c18f2, 0xd3654aa9, 0xca7a03c8, 0x14d57545, 0x7fda87a5, 0x0e411366, 0xb77d0df0, 0x8c2aa467, + 0x787f2590, 0x2d292db1, 0x9f12682c, 0x44ac364d, 0x1a4b31a6, 0x871f7ded, 0x7ff99167, 0x6630a1d5, + 0x25385eb9, 0x2d4dd549, 0xaf8a7004, 0x319ebe0f, 0x379ab730, 0x81dc56a4, 0x822d8523, 0x1ae8554c, + 0x18fa0786, 0x875f7de4, 0x85ca350f, 0x7de818dc, 0x7786a38f, 0xa5456355, 0x92e60f88, 0xf5526122, + 0x916039bc, 0xc561e2de, 0x31c42042, 0x7c82e290, 0x75d158b2, 0xb015bda1, 0x7220c750, 0x46565441, + 0xd0da1fdd, 0x7b777481, 0x782e73c6, 0x8cd72b7b, 0x7f1006aa, 0xfb30e51e, 0x87994818, 0x34e7c7db, + 0x7faae06b, 0xea74fbc0, 0xd20c7af4, 0xc44f396b, 0x06b4234e, 0xdf2e2a93, 0x2efb07c8, 0xce861911, + 0x7550ea05, 0xd8d90bbb, 0x58522eec, 0x746b3520, 0xce844ce9, 0x7f5cacc3, 0xda8f17e0, 0x2fedf9cb, + 0xb2f77ec4, 0x6f13f4c0, 0x834de085, 0x7b7ace4b, 0x713b16ac, 0x499c5ab0, 0x06a7961d, 0x1b39a48a, + 0xbb853e6e, 0x7c781cc1, 0xc0baebf5, 0x7dace394, 0x815ceebc, 0xcc7b27d4, 0x8274b181, 0xa2be40a2, + 0xdd01d5dc, 0x7fefeb14, 0x0813ec78, 0xba3077cc, 0xe5cf1e1c, 0xedcfacae, 0x54c43a9b, 0x5cd62a42, + 0x93806b55, 0x03095c5b, 0x8e076ae3, 0x71bfcd2a, 0x7ac1989b, 0x623bc71a, 0x5e15d4d2, 0xfb341dd1, + 0xd75dfbca, 0xd0da32be, 0xd4569063, 0x337869da, 0x3d30606a, 0xcd89cca2, 0x7dd2ae36, 0x028c03cd, + 0xd85e052c, 0xe8dc9ec5, 0x7ffd9241, 0xde5bf4c6, 0x88c4b235, 0x8228be2e, 0x7fe6ec64, 0x996abe6a, + 0xdeb0666d, 0x9eb86611, 0xd249b922, 0x18b3e26b, 0x80211168, 0x5f8bb99c, 0x6ecb0dd2, 0x4728ff8d, + 0x2ac325b8, 0x6e5169d2, 0x7ebbd68d, 0x05e41d17, 0xaaa19f28, 0x8ab238a6, 0x51f105be, 0x140809cc, + 0x7f7345d9, 0x3aae5a9d, 0xaecec6e4, 0x1afb3473, 0xf6229ed1, 0x8d55f467, 0x7e32003a, 0x70f30c14, + 0x6686f33f, 0xd0d45ed8, 0x644fab57, 0x3a3fbbd3, 0x0b255fc4, 0x679a1701, 0x90e17b6e, 0x325d537b, + 0xcd7b9b87, 0xaa7be2a2, 0x7d47c966, 0xa33dbce5, 0x8659c3bb, 0x72a41367, 0x15c446e0, 0x45fe8b0a, + 0x9d8ddf26, 0x84d47643, 0x7fabe0da, 0x36a70122, 0x7a28ebfe, 0x7c29b8b8, 0x7f760406, 0xbabe4672, + 0x23ea216e, 0x92bcc50a, 0x6d20dba2, 0xad5a7c7e, 0xbf3897f5, 0xabb793e1, 0x8391fc7e, 0xe270291c, + 0x7a248d58, 0x80f8fd15, 0x83ef19f3, 0x5e6ece7d, 0x278430c1, 0x35239f4d, 0xe09c073b, 0x50e78cb5, + 0xd4b811bd, 0xce834ee0, 0xf88aaa34, 0xf71da5a9, 0xe2b0a1d5, 0x7c3aef31, 0xe84eabca, 0x3ce25964, + 0xf29336d3, 0x8fa78b2c, 0xa3fc3415, 0x63e1313d, 0x7fbc74e0, 0x7340bc93, 0x49ae583b, 0x8b79de4b, + 0x25011ce9, 0x7b462279, 0x36007db0, 0x3da1599c, 0x77780772, 0xc845c9bb, 0x83ba68be, 0x6ee507d1, + 0x2f0159b8, 0x5392c4ed, 0x98336ff6, 0x0b3c7f11, 0xde697aac, 0x893fc8d0, 0x6b83f8f3, 0x47799a0d, + 0x801d9dfc, 0x8516a83e, 0x5f8d22ec, 0x0f8ba384, 0xa049dc4b, 0xdd920b05, 0x7a99bc9f, 0x9ad19344, + 0x7a345dba, 0xf501a13f, 0x3e58bf19, 0x7fffaf9a, 0x3b4e1511, 0x0e08b991, 0x9e157620, 0x7230a326, + 0x4977f9ff, 0x2d2bbae1, 0x607aa7fc, 0x7bc85d5f, 0xb441bbbe, 0x8d8fa5f2, 0x601cce26, 0xda1884f2, + 0x81c82d64, 0x200b709c, 0xcbd36abe, 0x8cbdddd3, 0x55ab61d3, 0x7e3ee993, 0x833f18aa, 0xffc1aaea, + 0x7362e16a, 0x7fb85db2, 0x904ee04c, 0x7f04dca6, 0x8ad7a046, 0xebe7d8f7, 0xfbc4c687, 0xd0609458, + 0x093ed977, 0x8e546085, 0x7f5b8236, 0x7c47e118, 0xa01f2641, 0x7ffb3e48, 0x05de7cda, 0x7fc281b9, + 0x8e0278fc, 0xd74e6d07, 0x94c24450, 0x7cf9e641, 0x2ad27871, 0x919fa815, 0x805fd205, 0x7758397f, + 0xe2c7e02c, 0x1828e194, 0x5613d6fe, 0xfb55359f, 0xf9699516, 0x8978ee26, 0x7feebad9, 0x77d71d82, + 0x55b28b60, 0x7e997600, 0x80821a6b, 0xc6d78af1, 0x691822ab, 0x7f6982a0, 0x7ef56f99, 0x5c307f40, + 0xac6f8b76, 0x42cc8ba4, 0x782c61d9, 0xa0224dd0, 0x7bd234d1, 0x74576e3b, 0xe38cfe9a, 0x491e66ef, + 0xc78291c5, 0x895bb87f, 0x924f7889, 0x71b89394, 0x757b779d, 0xc4a9c604, 0x5cdf7829, 0x8020e9df, + 0x805e8245, 0x4a82c398, 0x6360bd62, 0x78bb60fc, 0x09e0d014, 0x4b0ea180, 0xb841978b, 0x69a0e864, + 0x7df35977, 0x3284b0dd, 0x3cdc2efd, 0x57d31f5e, 0x541069cc, 0x1776e92e, 0x04309ea3, 0xa015eb2d, + 0xce7bfabc, 0x41b638f8, 0x8365932e, 0x846ab44c, 0xbbcc80cb, 0x8afa6cac, 0x7fc422ea, 0x4e403fc0, + 0xbfac9aee, 0x8e4c6709, 0x028e01fb, 0x6d160a9b, 0x7fe93004, 0x790f9cdc, 0x6a1f37a0, 0xf7e7ef30, + 0xb4ea0f04, 0x7bf4c8e6, 0xe981701f, 0xc258a9d3, 0x6acbbfba, 0xef5479c7, 0x079c8bd8, 0x1a410f56, + 0x6853b799, 0x86cd4f01, 0xc66e23b6, 0x34585565, 0x8d1fe00d, 0x7fcdba1a, 0x32c9717b, 0xa02f9f48, + 0xf64940db, 0x5ed7d8f1, 0x61b823b2, 0x356f8918, 0xa0a7151e, 0x793fc969, 0x530beaeb, 0x34e93270, + 0x4fc4ddb5, 0x88d58b6c, 0x36094774, 0xf620ac80, 0x03763a72, 0xf910c9a6, 0x6666fb2d, 0x752c8be8, + 0x9a6dfdd8, 0xd1a7117d, 0x51c1b1d4, 0x0a67773d, 0x43b32a79, 0x4cdcd085, 0x5f067d30, 0x05bfe92a, + 0x7ed7d203, 0xe71a3c85, 0x99127ce2, 0x8eb3cac4, 0xad4bbcea, 0x5c6a0fd0, 0x0eec04af, 0x94e95cd4, + 0x8654f921, 0x83eabb5d, 0xb058d7ca, 0x69f12d3c, 0x03d881b2, 0x80558ef7, 0x82938cb3, 0x2ec0e1d6, + 0x80044422, 0xd1e47051, 0x720fc6ff, 0x82b20316, 0x0d527b02, 0x63049a15, 0x7ad5b9ad, 0xd2a4641d, + 0x41144f86, 0x7b04917a, 0x15c4a2c0, 0x9da07916, 0x211df54a, 0x7fdd09af, 0xfe924f3f, 0x7e132cfe, + 0x9a1d18d6, 0x7c56508b, 0x80f0f0af, 0x8095ced6, 0x8037d0d7, 0x026719d1, 0xa55fec43, 0x2b1c7cb7, + 0xa5cd5ac1, 0x77639fad, 0x7fcd8b62, 0x81a18c27, 0xaee4912e, 0xeae9eebe, 0xeb3081de, 0x8532aada, + 0xc822362e, 0x86a649a9, 0x8031a71d, 0x7b319dc6, 0xea8022e6, 0x814bc5a9, 0x8f62f7a1, 0xa430ea17, + 0x388deafb, 0x883b5185, 0x776fe13c, 0x801c683f, 0x87c11b98, 0xb7cbc644, 0x8e9ad3e8, 0x3cf5a10c, + 0x7ff6a634, 0x949ef096, 0x9f84aa7c, 0x010af13f, 0x782d1de8, 0xf18e492a, 0x6cf63b01, 0x4301cd81, + 0x32d15c9e, 0x68ad8cef, 0xd09bd2d6, 0x908c5c15, 0xd1e36260, 0x2c5bfdd0, 0x88765a99, 0x93deba1e, + 0xac6ae342, 0xe865b84c, 0x0f4f2847, 0x7fdf0499, 0x78b1c9b3, 0x6a73261e, 0x601a96f6, 0xd2847933, + 0x489aa888, 0xe12e8093, 0x3bfa5a5f, 0xd96ba5f7, 0x7c8f4c8d, 0x80940c6f, 0xcef9dd1a, 0x7e1a055f, + 0x3483558b, 0x02b59cc4, 0x0c56333e, 0x05a5b813, 0x92d66287, 0x7516b679, 0x71bfe03f, 0x8056bf68, + 0xc24d0724, 0x8416bcf3, 0x234afbdb, 0x4b0d6f9c, 0xaba97333, 0x4b4f42b6, 0x7e8343ab, 0x7ffe2603, + 0xe590f73c, 0x45e10c76, 0xb07a6a78, 0xb35609d3, 0x1a027dfd, 0x90cb6e20, 0x82d3fe38, 0x7b409257, + 0x0e395afa, 0x1b802093, 0xcb0c6c59, 0x241e17e7, 0x1ee3ea0a, 0x41a82302, 0xab04350a, 0xf570beb7, + 0xbb444b9b, 0x83021459, 0x838d65dc, 0x1c439c84, 0x6fdcc454, 0xef9ef325, 0x18626c1c, 0x020d251f, + 0xc4aae786, 0x8614cb48, 0xf6f53ca6, 0x8710dbab, 0x89abec0d, 0xf29d41c1, 0x94b50336, 0xfdd49178, + 0x604658d1, 0x800e85be, 0xca1bb079, 0x7fa48eeb, 0xa3b7fafe, 0xd330436b, 0x64eb604c, 0x43a658ae, + 0x7caa1337, 0xddd445e6, 0x7efbf955, 0xb706ec71, 0x624a6b53, 0x9e0e231f, 0x97097248, 0xa1e1a17a, + 0x68dd2e44, 0x7f9d2e14, 0xddcc7074, 0x58324197, 0xc88fc426, 0x6d3640ae, 0x7ef83600, 0x759a0270, + 0x98b6d854, 0xd63c9b84, 0x372474a2, 0xe3f18cfd, 0x56ab0bdb, 0x85c9be7e, 0x47dfcfeb, 0xa5830d41, + 0x0ddd6283, 0xf4f480ad, 0x74c60e38, 0xab8943c3, 0xc1508fe7, 0x480cdc39, 0x8e097362, 0xa44793be, + 0x538b7e18, 0x545f5b41, 0x56529175, 0x9771a97e, 0xc2da7421, 0xea8265f2, 0x805d1163, 0x883c5d28, + 0x8ba94c48, 0x4f676e65, 0xf78735b3, 0xe1853671, 0x7f454f53, 0x18147f85, 0x7d09e15d, 0xdb4f3494, + 0x795c8973, 0x83310632, 0x85d8061c, 0x9a1a0ebf, 0xc125583c, 0x2a1b1a95, 0x7fd9103f, 0x71e98c72, + 0x40932ed7, 0x91ed227a, 0x3c5e560e, 0xe816dee9, 0xb0891b80, 0x600038ba, 0xc7d9a80d, 0x7fff5e09, + 0x7e3f4351, 0xbb6b4424, 0xb14448d4, 0x8d6bb7e1, 0xfb153626, 0xa68ad537, 0xd9782006, 0xf62f6991, + 0x359ba8c1, 0x02ccff0b, 0x91bf2256, 0x7ea71c4d, 0x560ce5df, 0xeeba289b, 0xa574c4e7, 0x9e04f6ee, + 0x7860a5ec, 0x0b8db4a2, 0x968ba3d7, 0x0b6c77df, 0xd6f3157d, 0x402eff1a, 0x49b820b3, 0x8152aebb, + 0xd180b0b6, 0x098604d4, 0x7ff92224, 0xede9c996, 0x89c58061, 0x829624c4, 0xc6e71ea7, 0xba94d915, + 0x389c3cf6, 0x5b4c5a06, 0x04b335e6, 0x516a8aab, 0x42c8d7d9, 0x92b12af6, 0x86c8549f, 0xfda98acf, + 0x819673b6, 0x69545dac, 0x6feaa230, 0x726e6d3f, 0x886ebdfe, 0x34f5730a, 0x7af63ba2, 0x77307bbf, + 0x7cd80630, 0x6e45efe0, 0x7f8ad7eb, 0x59d7df99, 0x86c70946, 0xda233629, 0x753f6cbf, 0x825eeb40, +}; diff --git a/audio_codec/wfd_aac_decoder/statname.h b/audio_codec/wfd_aac_decoder/statname.h new file mode 100644 index 0000000..127281c --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/statname.h @@ -0,0 +1,115 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: statname.h,v 1.1 2005/02/26 01:47:34 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * statname.h - name mangling macros for static linking + **************************************************************************************/ + +#ifndef _STATNAME_H +#define _STATNAME_H + +/* define STAT_PREFIX to a unique name for static linking + * all the C functions and global variables will be mangled by the preprocessor + * e.g. void DCT4(...) becomes void raac_DCT4(...) + */ +#define STAT_PREFIX raac + +#define STATCC1(x,y,z) STATCC2(x,y,z) +#define STATCC2(x,y,z) x##y##z + +#ifdef STAT_PREFIX +#define STATNAME(func) STATCC1(STAT_PREFIX, _, func) +#else +#define STATNAME(func) func +#endif + +/* these symbols are common to all implementations */ +#define AllocateBuffers STATNAME(AllocateBuffers) +#define FreeBuffers STATNAME(FreeBuffers) +#define ClearBuffer STATNAME(ClearBuffer) + +#define SetRawBlockParams STATNAME(SetRawBlockParams) +#define PrepareRawBlock STATNAME(PrepareRawBlock) +#define FlushCodec STATNAME(FlushCodec) + +#define UnpackADTSHeader STATNAME(UnpackADTSHeader) +#define GetADTSChannelMapping STATNAME(GetADTSChannelMapping) +#define UnpackADIFHeader STATNAME(UnpackADIFHeader) +#define DecodeNextElement STATNAME(DecodeNextElement) +#define DecodeNoiselessData STATNAME(DecodeNoiselessData) +#define Dequantize STATNAME(Dequantize) +#define StereoProcess STATNAME(StereoProcess) +#define DeinterleaveShortBlocks STATNAME(DeinterleaveShortBlocks) +#define PNS STATNAME(PNS) +#define TNSFilter STATNAME(TNSFilter) +#define IMDCT STATNAME(IMDCT) + +#define InitSBR STATNAME(InitSBR) +#define DecodeSBRBitstream STATNAME(DecodeSBRBitstream) +#define DecodeSBRData STATNAME(DecodeSBRData) +#define FreeSBR STATNAME(FreeSBR) +#define FlushCodecSBR STATNAME(FlushCodecSBR) + +/* global ROM tables */ +#define sampRateTab STATNAME(sampRateTab) +#define predSFBMax STATNAME(predSFBMax) +#define channelMapTab STATNAME(channelMapTab) +#define elementNumChans STATNAME(elementNumChans) +#define sfBandTotalShort STATNAME(sfBandTotalShort) +#define sfBandTotalLong STATNAME(sfBandTotalLong) +#define sfBandTabShortOffset STATNAME(sfBandTabShortOffset) +#define sfBandTabShort STATNAME(sfBandTabShort) +#define sfBandTabLongOffset STATNAME(sfBandTabLongOffset) +#define sfBandTabLong STATNAME(sfBandTabLong) +#define tnsMaxBandsShortOffset STATNAME(tnsMaxBandsShortOffset) +#define tnsMaxBandsShort STATNAME(tnsMaxBandsShort) +#define tnsMaxOrderShort STATNAME(tnsMaxOrderShort) +#define tnsMaxBandsLongOffset STATNAME(tnsMaxBandsLongOffset) +#define tnsMaxBandsLong STATNAME(tnsMaxBandsLong) +#define tnsMaxOrderLong STATNAME(tnsMaxOrderLong) + +/* in your implementation's top-level include file (e.g. real\coder.h) you should + * add new #define sym STATNAME(sym) lines for all the + * additional global functions or variables which your + * implementation uses + */ + +#endif /* _STATNAME_H */ diff --git a/audio_codec/wfd_aac_decoder/stproc.c b/audio_codec/wfd_aac_decoder/stproc.c new file mode 100644 index 0000000..852fefa --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/stproc.c @@ -0,0 +1,251 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: stproc.c,v 1.3 2005/05/24 16:01:55 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * stproc.c - mid-side and intensity stereo processing + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +/* pow14[0][i] = -pow(2, i/4.0) + * pow14[1][i] = +pow(2, i/4.0) + * + * i = [0,1,2,3] + * format = Q30 + */ +static const int pow14[2][4] = { + { 0xc0000000, 0xb3e407d7, 0xa57d8666, 0x945d819b }, + { 0x40000000, 0x4c1bf829, 0x5a82799a, 0x6ba27e65 } +}; + +/************************************************************************************** + * Function: StereoProcessGroup + * + * Description: apply mid-side and intensity stereo to group of transform coefficients + * + * Inputs: dequantized transform coefficients for both channels + * pointer to appropriate scalefactor band table + * mid-side mask enabled flag + * buffer with mid-side mask (one bit for each scalefactor band) + * bit offset into mid-side mask buffer + * max coded scalefactor band + * buffer of codebook indices for right channel + * buffer of scalefactors for right channel, range = [0, 256] + * + * Outputs: updated transform coefficients in Q(FBITS_OUT_DQ_OFF) + * updated minimum guard bit count for both channels + * + * Return: none + * + * Notes: assume no guard bits in input + * gains 0 int bits + **************************************************************************************/ +static void StereoProcessGroup(int *coefL, int *coefR, const short *sfbTab, + int msMaskPres, unsigned char *msMaskPtr, int msMaskOffset, int maxSFB, + unsigned char *cbRight, short *sfRight, int *gbCurrent) +{ + int sfb, width, cbIdx, sf, cl, cr, scalef, scalei; + int gbMaskL, gbMaskR; + unsigned char msMask; + + msMask = (*msMaskPtr++) >> msMaskOffset; + gbMaskL = 0; + gbMaskR = 0; + + for (sfb = 0; sfb < maxSFB; sfb++) { + width = sfbTab[sfb + 1] - sfbTab[sfb]; /* assume >= 0 (see sfBandTabLong/sfBandTabShort) */ + cbIdx = cbRight[sfb]; + + if (cbIdx == 14 || cbIdx == 15) { + /* intensity stereo */ + if (msMaskPres == 1 && (msMask & 0x01)) { + cbIdx ^= 0x01; /* invert_intensity(): 14 becomes 15, or 15 becomes 14 */ + } + sf = -sfRight[sfb]; /* negative since we use identity 0.5^(x) = 2^(-x) (see spec) */ + cbIdx &= 0x01; /* choose - or + scale factor */ + scalef = pow14[cbIdx][sf & 0x03]; + scalei = (sf >> 2) + 2; /* +2 to compensate for scalef = Q30 */ + + if (scalei > 0) { + if (scalei > 30) { + scalei = 30; + } + do { + cr = MULSHIFT32(*coefL++, scalef); + CLIP_2N(cr, 31 - scalei); + cr <<= scalei; + gbMaskR |= FASTABS(cr); + *coefR++ = cr; + } while (--width > 0); + } else { + scalei = -scalei; + if (scalei > 31) { + scalei = 31; + } + do { + cr = MULSHIFT32(*coefL++, scalef) >> scalei; + gbMaskR |= FASTABS(cr); + *coefR++ = cr; + } while (--width > 0); + } + } else if (cbIdx != 13 && ((msMaskPres == 1 && (msMask & 0x01)) || msMaskPres == 2)) { + /* mid-side stereo (assumes no GB in inputs) */ + do { + cl = *coefL; + cr = *coefR; + + if ((FASTABS(cl) | FASTABS(cr)) >> 30) { + /* avoid overflow (rare) */ + cl >>= 1; + sf = cl + (cr >> 1); + CLIP_2N(sf, 30); + sf <<= 1; + cl = cl - (cr >> 1); + CLIP_2N(cl, 30); + cl <<= 1; + } else { + /* usual case */ + sf = cl + cr; + cl -= cr; + } + + *coefL++ = sf; + gbMaskL |= FASTABS(sf); + *coefR++ = cl; + gbMaskR |= FASTABS(cl); + } while (--width > 0); + + } else { + /* nothing to do */ + coefL += width; + coefR += width; + } + + /* get next mask bit (should be branchless on ARM) */ + msMask >>= 1; + if (++msMaskOffset == 8) { + msMask = *msMaskPtr++; + msMaskOffset = 0; + } + } + + cl = CLZ(gbMaskL) - 1; + if (gbCurrent[0] > cl) { + gbCurrent[0] = cl; + } + + cr = CLZ(gbMaskR) - 1; + if (gbCurrent[1] > cr) { + gbCurrent[1] = cr; + } + + return; +} + +/************************************************************************************** + * Function: StereoProcess + * + * Description: apply mid-side and intensity stereo, if enabled + * + * Inputs: valid AACDecInfo struct (including dequantized transform coefficients) + * + * Outputs: updated transform coefficients in Q(FBITS_OUT_DQ_OFF) + * updated minimum guard bit count for both channels + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +int StereoProcess(AACDecInfo *aacDecInfo) +{ + PSInfoBase *psi; + ICSInfo *icsInfo; + int gp, win, nSamps, msMaskOffset; + int *coefL, *coefR; + unsigned char *msMaskPtr; + const short *sfbTab; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return ERR_AAC_NULL_POINTER; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + + /* mid-side and intensity stereo require common_window == 1 (see MPEG4 spec, Correction 2, 2004) */ + if (psi->commonWin != 1 || aacDecInfo->currBlockID != AAC_ID_CPE) { + return ERR_AAC_NONE; + } + + /* nothing to do */ + if (!psi->msMaskPresent && !psi->intensityUsed[1]) { + return ERR_AAC_NONE; + } + + icsInfo = &(psi->icsInfo[0]); + if (icsInfo->winSequence == 2) { + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + nSamps = NSAMPS_SHORT; + } else { + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + nSamps = NSAMPS_LONG; + } + coefL = psi->coef[0]; + coefR = psi->coef[1]; + + /* do fused mid-side/intensity processing for each block (one long or eight short) */ + msMaskOffset = 0; + msMaskPtr = psi->msMaskBits; + for (gp = 0; gp < icsInfo->numWinGroup; gp++) { + for (win = 0; win < icsInfo->winGroupLen[gp]; win++) { + StereoProcessGroup(coefL, coefR, sfbTab, psi->msMaskPresent, + msMaskPtr, msMaskOffset, icsInfo->maxSFB, psi->sfbCodeBook[1] + gp * icsInfo->maxSFB, + psi->scaleFactors[1] + gp * icsInfo->maxSFB, psi->gbCurrent); + coefL += nSamps; + coefR += nSamps; + } + /* we use one bit per sfb, so there are maxSFB bits for each window group */ + msMaskPtr += (msMaskOffset + icsInfo->maxSFB) >> 3; + msMaskOffset = (msMaskOffset + icsInfo->maxSFB) & 0x07; + } + + ASSERT(coefL == psi->coef[0] + 1024, ERR_AAC_COFF_EXCEED_RANGE); + ASSERT(coefR == psi->coef[1] + 1024, ERR_AAC_COFF_EXCEED_RANGE); + return ERR_AAC_NONE; +} diff --git a/audio_codec/wfd_aac_decoder/tns.c b/audio_codec/wfd_aac_decoder/tns.c new file mode 100644 index 0000000..7607502 --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/tns.c @@ -0,0 +1,307 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: tns.c,v 1.1.2.2 2005/05/24 20:34:40 albertofloyd Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * tns.c - apply TNS to spectrum + **************************************************************************************/ + +#include "coder.h" +#include "assembly.h" + +#define FBITS_LPC_COEFS 20 + +/* inverse quantization tables for TNS filter coefficients, format = Q31 + * see bottom of file for table generation + * negative (vs. spec) since we use MADD for filter kernel + */ +static const int invQuant3[16] = { + 0x00000000, 0xc8767f65, 0x9becf22c, 0x83358feb, 0x83358feb, 0x9becf22c, 0xc8767f65, 0x00000000, + 0x2bc750e9, 0x5246dd49, 0x6ed9eba1, 0x7e0e2e32, 0x7e0e2e32, 0x6ed9eba1, 0x5246dd49, 0x2bc750e9, +}; + +static const int invQuant4[16] = { + 0x00000000, 0xe5632654, 0xcbf00dbe, 0xb4c373ee, 0xa0e0a15f, 0x9126145f, 0x8643c7b3, 0x80b381ac, + 0x7f7437ad, 0x7b1d1a49, 0x7294b5f2, 0x66256db2, 0x563ba8aa, 0x4362210e, 0x2e3d2abb, 0x17851aad, +}; + +/************************************************************************************** + * Function: DecodeLPCCoefs + * + * Description: decode LPC coefficients for TNS + * + * Inputs: order of TNS filter + * resolution of coefficients (3 or 4 bits) + * coefficients unpacked from bitstream + * scratch buffer (b) of size >= order + * + * Outputs: LPC coefficients in Q(FBITS_LPC_COEFS), in 'a' + * + * Return: none + * + * Notes: assumes no guard bits in input transform coefficients + * a[i] = Q(FBITS_LPC_COEFS), don't store a0 = 1.0 + * (so a[0] = first delay tap, etc.) + * max abs(a[i]) < log2(order), so for max order = 20 a[i] < 4.4 + * (up to 3 bits of gain) so a[i] has at least 31 - FBITS_LPC_COEFS - 3 + * guard bits + * to ensure no intermediate overflow in all-pole filter, set + * FBITS_LPC_COEFS such that number of guard bits >= log2(max order) + **************************************************************************************/ +static void DecodeLPCCoefs(int order, int res, signed char *filtCoef, int *a, int *b) +{ + int i, m, t; + const int *invQuantTab; + + if (res == 3) { + invQuantTab = invQuant3; + } else if (res == 4) { + invQuantTab = invQuant4; + } else { + return; + } + + for (m = 0; m < order; m++) { + t = invQuantTab[filtCoef[m] & 0x0f]; /* t = Q31 */ + for (i = 0; i < m; i++) { + b[i] = a[i] - (MULSHIFT32(t, a[m - i - 1]) << 1); + } + for (i = 0; i < m; i++) { + a[i] = b[i]; + } + a[m] = t >> (31 - FBITS_LPC_COEFS); + } +} + +/************************************************************************************** + * Function: FilterRegion + * + * Description: apply LPC filter to one region of coefficients + * + * Inputs: number of transform coefficients in this region + * direction flag (forward = 1, backward = -1) + * order of filter + * 'size' transform coefficients + * 'order' LPC coefficients in Q(FBITS_LPC_COEFS) + * scratch buffer for history (must be >= order samples long) + * + * Outputs: filtered transform coefficients + * + * Return: guard bit mask (OR of abs value of all filtered transform coefs) + * + * Notes: assumes no guard bits in input transform coefficients + * gains 0 int bits + * history buffer does not need to be preserved between regions + **************************************************************************************/ +static int FilterRegion(int size, int dir, int order, int *audioCoef, int *a, int *hist) +{ + int i, j, y, hi32, inc, gbMask; + U64 sum64; + + /* init history to 0 every time */ + for (i = 0; i < order; i++) { + hist[i] = 0; + } + + sum64.w64 = 0; /* avoid warning */ + gbMask = 0; + inc = (dir ? -1 : 1); + do { + /* sum64 = a0*y[n] = 1.0*y[n] */ + y = *audioCoef; + sum64.r.hi32 = y >> (32 - FBITS_LPC_COEFS); + sum64.r.lo32 = y << FBITS_LPC_COEFS; + + /* sum64 += (a1*y[n-1] + a2*y[n-2] + ... + a[order-1]*y[n-(order-1)]) */ + for (j = order - 1; j > 0; j--) { + sum64.w64 = MADD64(sum64.w64, hist[j], a[j]); + hist[j] = hist[j - 1]; + } + sum64.w64 = MADD64(sum64.w64, hist[0], a[0]); + y = (sum64.r.hi32 << (32 - FBITS_LPC_COEFS)) | (sum64.r.lo32 >> FBITS_LPC_COEFS); + + /* clip output (rare) */ + hi32 = sum64.r.hi32; + if ((hi32 >> 31) != (hi32 >> (FBITS_LPC_COEFS - 1))) { + y = (hi32 >> 31) ^ 0x7fffffff; + } + + hist[0] = y; + *audioCoef = y; + audioCoef += inc; + gbMask |= FASTABS(y); + } while (--size); + + return gbMask; +} + +/************************************************************************************** + * Function: TNSFilter + * + * Description: apply temporal noise shaping, if enabled + * + * Inputs: valid AACDecInfo struct + * index of current channel + * + * Outputs: updated transform coefficients + * updated minimum guard bit count for this channel + * + * Return: 0 if successful, -1 if error + **************************************************************************************/ +int TNSFilter(AACDecInfo *aacDecInfo, int ch) +{ + int win, winLen, nWindows, nSFB, filt, bottom, top, order, maxOrder, dir; + int start, end, size, tnsMaxBand, numFilt, gbMask; + int *audioCoef; + unsigned char *filtLength, *filtOrder, *filtRes, *filtDir; + signed char *filtCoef; + const unsigned char *tnsMaxBandTab; + const short *sfbTab; + ICSInfo *icsInfo; + TNSInfo *ti; + PSInfoBase *psi; + + /* validate pointers */ + if (!aacDecInfo || !aacDecInfo->psInfoBase) { + return -1; + } + psi = (PSInfoBase *)(aacDecInfo->psInfoBase); + icsInfo = (ch == 1 && psi->commonWin == 1) ? &(psi->icsInfo[0]) : &(psi->icsInfo[ch]); + ti = &psi->tnsInfo[ch]; + + if (!ti->tnsDataPresent) { + return 0; + } + + if (icsInfo->winSequence == 2) { + nWindows = NWINDOWS_SHORT; + winLen = NSAMPS_SHORT; + nSFB = sfBandTotalShort[psi->sampRateIdx]; + maxOrder = tnsMaxOrderShort[aacDecInfo->profile]; + sfbTab = sfBandTabShort + sfBandTabShortOffset[psi->sampRateIdx]; + tnsMaxBandTab = tnsMaxBandsShort + tnsMaxBandsShortOffset[aacDecInfo->profile]; + tnsMaxBand = tnsMaxBandTab[psi->sampRateIdx]; + } else { + nWindows = NWINDOWS_LONG; + winLen = NSAMPS_LONG; + nSFB = sfBandTotalLong[psi->sampRateIdx]; + maxOrder = tnsMaxOrderLong[aacDecInfo->profile]; + sfbTab = sfBandTabLong + sfBandTabLongOffset[psi->sampRateIdx]; + tnsMaxBandTab = tnsMaxBandsLong + tnsMaxBandsLongOffset[aacDecInfo->profile]; + tnsMaxBand = tnsMaxBandTab[psi->sampRateIdx]; + } + + if (tnsMaxBand > icsInfo->maxSFB) { + tnsMaxBand = icsInfo->maxSFB; + } + + filtRes = ti->coefRes; + filtLength = ti->length; + filtOrder = ti->order; + filtDir = ti->dir; + filtCoef = ti->coef; + + gbMask = 0; + audioCoef = psi->coef[ch]; + for (win = 0; win < nWindows; win++) { + bottom = nSFB; + numFilt = ti->numFilt[win]; + for (filt = 0; filt < numFilt; filt++) { + top = bottom; + bottom = top - *filtLength++; + bottom = MAX(bottom, 0); + order = *filtOrder++; + order = MIN(order, maxOrder); + + if (order) { + start = sfbTab[MIN(bottom, tnsMaxBand)]; + end = sfbTab[MIN(top, tnsMaxBand)]; + size = end - start; + if (size > 0) { + dir = *filtDir++; + if (dir) { + start = end - 1; + } + + DecodeLPCCoefs(order, filtRes[win], filtCoef, psi->tnsLPCBuf, psi->tnsWorkBuf); + gbMask |= FilterRegion(size, dir, order, audioCoef + start, psi->tnsLPCBuf, psi->tnsWorkBuf); + } + filtCoef += order; + } + } + audioCoef += winLen; + } + + /* update guard bit count if necessary */ + size = CLZ(gbMask) - 1; + if (psi->gbCurrent[ch] > size) { + psi->gbCurrent[ch] = size; + } + + return 0; +} + +/* Code to generate invQuantXXX[] tables + * { + * int res, i, t; + * double powScale, iqfac, iqfac_m, d; + * + * powScale = pow(2.0, 31) * -1.0; / ** make coefficients negative for using MADD in kernel ** / + * for (res = 3; res <= 4; res++) { + * iqfac = ( ((1 << (res-1)) - 0.5) * (2.0 / M_PI) ); + * iqfac_m = ( ((1 << (res-1)) + 0.5) * (2.0 / M_PI) ); + * printf("static const int invQuant%d[16] = {\n", res); + * for (i = 0; i < 16; i++) { + * / ** extend bottom 4 bits into signed, 2's complement number ** / + * t = (i << 28) >> 28; + * + * if (t >= 0) d = sin(t / iqfac); + * else d = sin(t / iqfac_m); + * + * d *= powScale; + * printf("0x%08x, ", (int)(d > 0 ? d + 0.5 : d - 0.5)); + * if ((i & 0x07) == 0x07) + * printf("\n"); + * } + * printf("};\n\n"); + * } + * } + */ + diff --git a/audio_codec/wfd_aac_decoder/trigtabs.c b/audio_codec/wfd_aac_decoder/trigtabs.c new file mode 100644 index 0000000..0a77b6f --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/trigtabs.c @@ -0,0 +1,1000 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: trigtabs.c,v 1.1 2005/02/26 01:47:35 jrecker Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * February 2005 + * + * trigtabs.c - tables of sin, cos, etc. for IMDCT + **************************************************************************************/ + +#include "coder.h" + +const int cos4sin4tabOffset[NUM_IMDCT_SIZES] = {0, 128}; + +/* PreMultiply() tables + * format = Q30 * 2^[-7, -10] for nmdct = [128, 1024] + * reordered for sequential access + * + * invM = -1.0 / nmdct; + * for (i = 0; i < nmdct/4; i++) { + * angle = (i + 0.25) * M_PI / nmdct; + * x = invM * (cos(angle) + sin(angle)); + * x = invM * sin(angle); + * + * angle = (nmdct/2 - 1 - i + 0.25) * M_PI / nmdct; + * x = invM * (cos(angle) + sin(angle)); + * x = invM * sin(angle); + * } + */ +const int cos4sin4tab[128 + 1024] = { + /* 128 - format = Q30 * 2^-7 */ + 0xbf9bc731, 0xff9b783c, 0xbed5332c, 0xc002c697, 0xbe112251, 0xfe096c8d, 0xbd4f9c30, 0xc00f1c4a, + 0xbc90a83f, 0xfc77ae5e, 0xbbd44dd9, 0xc0254e27, 0xbb1a9443, 0xfae67ba2, 0xba6382a6, 0xc04558c0, + 0xb9af200f, 0xf9561237, 0xb8fd7373, 0xc06f3726, 0xb84e83ac, 0xf7c6afdc, 0xb7a25779, 0xc0a2e2e3, + 0xb6f8f57c, 0xf6389228, 0xb652643e, 0xc0e05401, 0xb5aeaa2a, 0xf4abf67e, 0xb50dcd90, 0xc1278104, + 0xb46fd4a4, 0xf3211a07, 0xb3d4c57c, 0xc1785ef4, 0xb33ca614, 0xf19839a6, 0xb2a77c49, 0xc1d2e158, + 0xb2154dda, 0xf01191f3, 0xb186206b, 0xc236fa3b, 0xb0f9f981, 0xee8d5f29, 0xb070de82, 0xc2a49a2e, + 0xafead4b9, 0xed0bdd25, 0xaf67e14f, 0xc31bb049, 0xaee80952, 0xeb8d475b, 0xae6b51ae, 0xc39c2a2f, + 0xadf1bf34, 0xea11d8c8, 0xad7b5692, 0xc425f410, 0xad081c5a, 0xe899cbf1, 0xac9814fd, 0xc4b8f8ad, + 0xac2b44cc, 0xe7255ad1, 0xabc1aff9, 0xc555215a, 0xab5b5a96, 0xe5b4bed8, 0xaaf84896, 0xc5fa5603, + 0xaa987dca, 0xe44830dd, 0xaa3bfde3, 0xc6a87d2d, 0xa9e2cc73, 0xe2dfe917, 0xa98cece9, 0xc75f7bfe, + 0xa93a6296, 0xe17c1f15, 0xa8eb30a7, 0xc81f363d, 0xa89f5a2b, 0xe01d09b4, 0xa856e20e, 0xc8e78e5b, + 0xa811cb1b, 0xdec2df18, 0xa7d017fc, 0xc9b86572, 0xa791cb39, 0xdd6dd4a2, 0xa756e73a, 0xca919b4e, + 0xa71f6e43, 0xdc1e1ee9, 0xa6eb6279, 0xcb730e70, 0xa6bac5dc, 0xdad3f1b1, 0xa68d9a4c, 0xcc5c9c14, + 0xa663e188, 0xd98f7fe6, 0xa63d9d2b, 0xcd4e2037, 0xa61aceaf, 0xd850fb8e, 0xa5fb776b, 0xce47759a, + 0xa5df9894, 0xd71895c9, 0xa5c7333e, 0xcf4875ca, 0xa5b2485a, 0xd5e67ec1, 0xa5a0d8b5, 0xd050f926, + 0xa592e4fd, 0xd4bae5ab, 0xa5886dba, 0xd160d6e5, 0xa5817354, 0xd395f8ba, 0xa57df60f, 0xd277e518, + /* 1024 - format = Q30 * 2^-10 */ + 0xbff3703e, 0xfff36f02, 0xbfda5824, 0xc0000b1a, 0xbfc149ed, 0xffc12b16, 0xbfa845a0, 0xc0003c74, + 0xbf8f4b3e, 0xff8ee750, 0xbf765acc, 0xc0009547, 0xbf5d744e, 0xff5ca3d0, 0xbf4497c8, 0xc0011594, + 0xbf2bc53d, 0xff2a60b4, 0xbf12fcb2, 0xc001bd5c, 0xbefa3e2a, 0xfef81e1d, 0xbee189a8, 0xc0028c9c, + 0xbec8df32, 0xfec5dc28, 0xbeb03eca, 0xc0038356, 0xbe97a875, 0xfe939af5, 0xbe7f1c36, 0xc004a188, + 0xbe669a10, 0xfe615aa3, 0xbe4e2209, 0xc005e731, 0xbe35b423, 0xfe2f1b50, 0xbe1d5062, 0xc0075452, + 0xbe04f6cb, 0xfdfcdd1d, 0xbdeca760, 0xc008e8e8, 0xbdd46225, 0xfdcaa027, 0xbdbc2720, 0xc00aa4f3, + 0xbda3f652, 0xfd98648d, 0xbd8bcfbf, 0xc00c8872, 0xbd73b36d, 0xfd662a70, 0xbd5ba15d, 0xc00e9364, + 0xbd439995, 0xfd33f1ed, 0xbd2b9c17, 0xc010c5c7, 0xbd13a8e7, 0xfd01bb24, 0xbcfbc00a, 0xc0131f9b, + 0xbce3e182, 0xfccf8634, 0xbccc0d53, 0xc015a0dd, 0xbcb44382, 0xfc9d533b, 0xbc9c8411, 0xc018498c, + 0xbc84cf05, 0xfc6b2259, 0xbc6d2461, 0xc01b19a7, 0xbc558428, 0xfc38f3ac, 0xbc3dee5f, 0xc01e112b, + 0xbc266309, 0xfc06c754, 0xbc0ee22a, 0xc0213018, 0xbbf76bc4, 0xfbd49d70, 0xbbdfffdd, 0xc024766a, + 0xbbc89e77, 0xfba2761e, 0xbbb14796, 0xc027e421, 0xbb99fb3e, 0xfb70517d, 0xbb82b972, 0xc02b7939, + 0xbb6b8235, 0xfb3e2fac, 0xbb54558d, 0xc02f35b1, 0xbb3d337b, 0xfb0c10cb, 0xbb261c04, 0xc0331986, + 0xbb0f0f2b, 0xfad9f4f8, 0xbaf80cf4, 0xc03724b6, 0xbae11561, 0xfaa7dc52, 0xbaca2878, 0xc03b573f, + 0xbab3463b, 0xfa75c6f8, 0xba9c6eae, 0xc03fb11d, 0xba85a1d4, 0xfa43b508, 0xba6edfb1, 0xc044324f, + 0xba582849, 0xfa11a6a3, 0xba417b9e, 0xc048dad1, 0xba2ad9b5, 0xf9df9be6, 0xba144291, 0xc04daaa1, + 0xb9fdb635, 0xf9ad94f0, 0xb9e734a4, 0xc052a1bb, 0xb9d0bde4, 0xf97b91e1, 0xb9ba51f6, 0xc057c01d, + 0xb9a3f0de, 0xf94992d7, 0xb98d9aa0, 0xc05d05c3, 0xb9774f3f, 0xf91797f0, 0xb9610ebe, 0xc06272aa, + 0xb94ad922, 0xf8e5a14d, 0xb934ae6d, 0xc06806ce, 0xb91e8ea3, 0xf8b3af0c, 0xb90879c7, 0xc06dc22e, + 0xb8f26fdc, 0xf881c14b, 0xb8dc70e7, 0xc073a4c3, 0xb8c67cea, 0xf84fd829, 0xb8b093ea, 0xc079ae8c, + 0xb89ab5e8, 0xf81df3c5, 0xb884e2e9, 0xc07fdf85, 0xb86f1af0, 0xf7ec143e, 0xb8595e00, 0xc08637a9, + 0xb843ac1d, 0xf7ba39b3, 0xb82e0549, 0xc08cb6f5, 0xb818698a, 0xf7886442, 0xb802d8e0, 0xc0935d64, + 0xb7ed5351, 0xf756940a, 0xb7d7d8df, 0xc09a2af3, 0xb7c2698e, 0xf724c92a, 0xb7ad0561, 0xc0a11f9d, + 0xb797ac5b, 0xf6f303c0, 0xb7825e80, 0xc0a83b5e, 0xb76d1bd2, 0xf6c143ec, 0xb757e455, 0xc0af7e33, + 0xb742b80d, 0xf68f89cb, 0xb72d96fd, 0xc0b6e815, 0xb7188127, 0xf65dd57d, 0xb7037690, 0xc0be7901, + 0xb6ee773a, 0xf62c2721, 0xb6d98328, 0xc0c630f2, 0xb6c49a5e, 0xf5fa7ed4, 0xb6afbce0, 0xc0ce0fe3, + 0xb69aeab0, 0xf5c8dcb6, 0xb68623d1, 0xc0d615cf, 0xb6716847, 0xf59740e5, 0xb65cb815, 0xc0de42b2, + 0xb648133e, 0xf565ab80, 0xb63379c5, 0xc0e69686, 0xb61eebae, 0xf5341ca5, 0xb60a68fb, 0xc0ef1147, + 0xb5f5f1b1, 0xf5029473, 0xb5e185d1, 0xc0f7b2ee, 0xb5cd255f, 0xf4d11308, 0xb5b8d05f, 0xc1007b77, + 0xb5a486d2, 0xf49f9884, 0xb59048be, 0xc1096add, 0xb57c1624, 0xf46e2504, 0xb567ef08, 0xc1128119, + 0xb553d36c, 0xf43cb8a7, 0xb53fc355, 0xc11bbe26, 0xb52bbec4, 0xf40b538b, 0xb517c5be, 0xc12521ff, + 0xb503d845, 0xf3d9f5cf, 0xb4eff65c, 0xc12eac9d, 0xb4dc2007, 0xf3a89f92, 0xb4c85548, 0xc1385dfb, + 0xb4b49622, 0xf37750f2, 0xb4a0e299, 0xc1423613, 0xb48d3ab0, 0xf3460a0d, 0xb4799e69, 0xc14c34df, + 0xb4660dc8, 0xf314cb02, 0xb45288cf, 0xc1565a58, 0xb43f0f82, 0xf2e393ef, 0xb42ba1e4, 0xc160a678, + 0xb4183ff7, 0xf2b264f2, 0xb404e9bf, 0xc16b193a, 0xb3f19f3e, 0xf2813e2a, 0xb3de6078, 0xc175b296, + 0xb3cb2d70, 0xf2501fb5, 0xb3b80628, 0xc1807285, 0xb3a4eaa4, 0xf21f09b1, 0xb391dae6, 0xc18b5903, + 0xb37ed6f1, 0xf1edfc3d, 0xb36bdec9, 0xc1966606, 0xb358f26f, 0xf1bcf777, 0xb34611e8, 0xc1a1998a, + 0xb3333d36, 0xf18bfb7d, 0xb320745c, 0xc1acf386, 0xb30db75d, 0xf15b086d, 0xb2fb063b, 0xc1b873f5, + 0xb2e860fa, 0xf12a1e66, 0xb2d5c79d, 0xc1c41ace, 0xb2c33a26, 0xf0f93d86, 0xb2b0b898, 0xc1cfe80a, + 0xb29e42f6, 0xf0c865ea, 0xb28bd943, 0xc1dbdba3, 0xb2797b82, 0xf09797b2, 0xb26729b5, 0xc1e7f591, + 0xb254e3e0, 0xf066d2fa, 0xb242aa05, 0xc1f435cc, 0xb2307c27, 0xf03617e2, 0xb21e5a49, 0xc2009c4e, + 0xb20c446d, 0xf0056687, 0xb1fa3a97, 0xc20d290d, 0xb1e83cc9, 0xefd4bf08, 0xb1d64b06, 0xc219dc03, + 0xb1c46551, 0xefa42181, 0xb1b28bad, 0xc226b528, 0xb1a0be1b, 0xef738e12, 0xb18efca0, 0xc233b473, + 0xb17d473d, 0xef4304d8, 0xb16b9df6, 0xc240d9de, 0xb15a00cd, 0xef1285f2, 0xb1486fc5, 0xc24e255e, + 0xb136eae1, 0xeee2117c, 0xb1257223, 0xc25b96ee, 0xb114058e, 0xeeb1a796, 0xb102a524, 0xc2692e83, + 0xb0f150e9, 0xee81485c, 0xb0e008e0, 0xc276ec16, 0xb0cecd09, 0xee50f3ed, 0xb0bd9d6a, 0xc284cf9f, + 0xb0ac7a03, 0xee20aa67, 0xb09b62d8, 0xc292d914, 0xb08a57eb, 0xedf06be6, 0xb079593f, 0xc2a1086d, + 0xb06866d7, 0xedc0388a, 0xb05780b5, 0xc2af5da2, 0xb046a6db, 0xed901070, 0xb035d94e, 0xc2bdd8a9, + 0xb025180e, 0xed5ff3b5, 0xb014631e, 0xc2cc7979, 0xb003ba82, 0xed2fe277, 0xaff31e3b, 0xc2db400a, + 0xafe28e4d, 0xecffdcd4, 0xafd20ab9, 0xc2ea2c53, 0xafc19383, 0xeccfe2ea, 0xafb128ad, 0xc2f93e4a, + 0xafa0ca39, 0xec9ff4d6, 0xaf90782a, 0xc30875e5, 0xaf803283, 0xec7012b5, 0xaf6ff945, 0xc317d31c, + 0xaf5fcc74, 0xec403ca5, 0xaf4fac12, 0xc32755e5, 0xaf3f9822, 0xec1072c4, 0xaf2f90a5, 0xc336fe37, + 0xaf1f959f, 0xebe0b52f, 0xaf0fa712, 0xc346cc07, 0xaeffc500, 0xebb10404, 0xaeefef6c, 0xc356bf4d, + 0xaee02658, 0xeb815f60, 0xaed069c7, 0xc366d7fd, 0xaec0b9bb, 0xeb51c760, 0xaeb11636, 0xc377160f, + 0xaea17f3b, 0xeb223c22, 0xae91f4cd, 0xc3877978, 0xae8276ed, 0xeaf2bdc3, 0xae73059f, 0xc398022f, + 0xae63a0e3, 0xeac34c60, 0xae5448be, 0xc3a8b028, 0xae44fd31, 0xea93e817, 0xae35be3f, 0xc3b9835a, + 0xae268be9, 0xea649105, 0xae176633, 0xc3ca7bba, 0xae084d1f, 0xea354746, 0xadf940ae, 0xc3db993e, + 0xadea40e4, 0xea060af9, 0xaddb4dc2, 0xc3ecdbdc, 0xadcc674b, 0xe9d6dc3b, 0xadbd8d82, 0xc3fe4388, + 0xadaec067, 0xe9a7bb28, 0xad9fffff, 0xc40fd037, 0xad914c4b, 0xe978a7dd, 0xad82a54c, 0xc42181e0, + 0xad740b07, 0xe949a278, 0xad657d7c, 0xc4335877, 0xad56fcaf, 0xe91aab16, 0xad4888a0, 0xc44553f2, + 0xad3a2153, 0xe8ebc1d3, 0xad2bc6ca, 0xc4577444, 0xad1d7907, 0xe8bce6cd, 0xad0f380c, 0xc469b963, + 0xad0103db, 0xe88e1a20, 0xacf2dc77, 0xc47c2344, 0xace4c1e2, 0xe85f5be9, 0xacd6b41e, 0xc48eb1db, + 0xacc8b32c, 0xe830ac45, 0xacbabf10, 0xc4a1651c, 0xacacd7cb, 0xe8020b52, 0xac9efd60, 0xc4b43cfd, + 0xac912fd1, 0xe7d3792b, 0xac836f1f, 0xc4c73972, 0xac75bb4d, 0xe7a4f5ed, 0xac68145d, 0xc4da5a6f, + 0xac5a7a52, 0xe77681b6, 0xac4ced2c, 0xc4ed9fe7, 0xac3f6cef, 0xe7481ca1, 0xac31f99d, 0xc50109d0, + 0xac249336, 0xe719c6cb, 0xac1739bf, 0xc514981d, 0xac09ed38, 0xe6eb8052, 0xabfcada3, 0xc5284ac3, + 0xabef7b04, 0xe6bd4951, 0xabe2555b, 0xc53c21b4, 0xabd53caa, 0xe68f21e5, 0xabc830f5, 0xc5501ce5, + 0xabbb323c, 0xe6610a2a, 0xabae4082, 0xc5643c4a, 0xaba15bc9, 0xe633023e, 0xab948413, 0xc5787fd6, + 0xab87b962, 0xe6050a3b, 0xab7afbb7, 0xc58ce77c, 0xab6e4b15, 0xe5d72240, 0xab61a77d, 0xc5a17330, + 0xab5510f3, 0xe5a94a67, 0xab488776, 0xc5b622e6, 0xab3c0b0b, 0xe57b82cd, 0xab2f9bb1, 0xc5caf690, + 0xab23396c, 0xe54dcb8f, 0xab16e43d, 0xc5dfee22, 0xab0a9c27, 0xe52024c9, 0xaafe612a, 0xc5f5098f, + 0xaaf23349, 0xe4f28e96, 0xaae61286, 0xc60a48c9, 0xaad9fee3, 0xe4c50914, 0xaacdf861, 0xc61fabc4, + 0xaac1ff03, 0xe497945d, 0xaab612ca, 0xc6353273, 0xaaaa33b8, 0xe46a308f, 0xaa9e61cf, 0xc64adcc7, + 0xaa929d10, 0xe43cddc4, 0xaa86e57e, 0xc660aab5, 0xaa7b3b1b, 0xe40f9c1a, 0xaa6f9de7, 0xc6769c2e, + 0xaa640de6, 0xe3e26bac, 0xaa588b18, 0xc68cb124, 0xaa4d157f, 0xe3b54c95, 0xaa41ad1e, 0xc6a2e98b, + 0xaa3651f6, 0xe3883ef2, 0xaa2b0409, 0xc6b94554, 0xaa1fc358, 0xe35b42df, 0xaa148fe6, 0xc6cfc472, + 0xaa0969b3, 0xe32e5876, 0xa9fe50c2, 0xc6e666d7, 0xa9f34515, 0xe3017fd5, 0xa9e846ad, 0xc6fd2c75, + 0xa9dd558b, 0xe2d4b916, 0xa9d271b2, 0xc714153e, 0xa9c79b23, 0xe2a80456, 0xa9bcd1e0, 0xc72b2123, + 0xa9b215ea, 0xe27b61af, 0xa9a76744, 0xc7425016, 0xa99cc5ee, 0xe24ed13d, 0xa99231eb, 0xc759a20a, + 0xa987ab3c, 0xe222531c, 0xa97d31e3, 0xc77116f0, 0xa972c5e1, 0xe1f5e768, 0xa9686738, 0xc788aeb9, + 0xa95e15e9, 0xe1c98e3b, 0xa953d1f7, 0xc7a06957, 0xa9499b62, 0xe19d47b1, 0xa93f722c, 0xc7b846ba, + 0xa9355658, 0xe17113e5, 0xa92b47e5, 0xc7d046d6, 0xa92146d7, 0xe144f2f3, 0xa917532e, 0xc7e8699a, + 0xa90d6cec, 0xe118e4f6, 0xa9039413, 0xc800aef7, 0xa8f9c8a4, 0xe0ecea09, 0xa8f00aa0, 0xc81916df, + 0xa8e65a0a, 0xe0c10247, 0xa8dcb6e2, 0xc831a143, 0xa8d3212a, 0xe0952dcb, 0xa8c998e3, 0xc84a4e14, + 0xa8c01e10, 0xe0696cb0, 0xa8b6b0b1, 0xc8631d42, 0xa8ad50c8, 0xe03dbf11, 0xa8a3fe57, 0xc87c0ebd, + 0xa89ab95e, 0xe012250a, 0xa89181df, 0xc8952278, 0xa88857dc, 0xdfe69eb4, 0xa87f3b57, 0xc8ae5862, + 0xa8762c4f, 0xdfbb2c2c, 0xa86d2ac8, 0xc8c7b06b, 0xa86436c2, 0xdf8fcd8b, 0xa85b503e, 0xc8e12a84, + 0xa852773f, 0xdf6482ed, 0xa849abc4, 0xc8fac69e, 0xa840edd1, 0xdf394c6b, 0xa8383d66, 0xc91484a8, + 0xa82f9a84, 0xdf0e2a22, 0xa827052d, 0xc92e6492, 0xa81e7d62, 0xdee31c2b, 0xa8160324, 0xc948664d, + 0xa80d9675, 0xdeb822a1, 0xa8053756, 0xc96289c9, 0xa7fce5c9, 0xde8d3d9e, 0xa7f4a1ce, 0xc97ccef5, + 0xa7ec6b66, 0xde626d3e, 0xa7e44294, 0xc99735c2, 0xa7dc2759, 0xde37b199, 0xa7d419b4, 0xc9b1be1e, + 0xa7cc19a9, 0xde0d0acc, 0xa7c42738, 0xc9cc67fa, 0xa7bc4262, 0xdde278ef, 0xa7b46b29, 0xc9e73346, + 0xa7aca18e, 0xddb7fc1e, 0xa7a4e591, 0xca021fef, 0xa79d3735, 0xdd8d9472, 0xa795967a, 0xca1d2de7, + 0xa78e0361, 0xdd634206, 0xa7867dec, 0xca385d1d, 0xa77f061c, 0xdd3904f4, 0xa7779bf2, 0xca53ad7e, + 0xa7703f70, 0xdd0edd55, 0xa768f095, 0xca6f1efc, 0xa761af64, 0xdce4cb44, 0xa75a7bdd, 0xca8ab184, + 0xa7535602, 0xdcbacedb, 0xa74c3dd4, 0xcaa66506, 0xa7453353, 0xdc90e834, 0xa73e3681, 0xcac23971, + 0xa7374760, 0xdc671768, 0xa73065ef, 0xcade2eb3, 0xa7299231, 0xdc3d5c91, 0xa722cc25, 0xcafa44bc, + 0xa71c13ce, 0xdc13b7c9, 0xa715692c, 0xcb167b79, 0xa70ecc41, 0xdbea292b, 0xa7083d0d, 0xcb32d2da, + 0xa701bb91, 0xdbc0b0ce, 0xa6fb47ce, 0xcb4f4acd, 0xa6f4e1c6, 0xdb974ece, 0xa6ee8979, 0xcb6be341, + 0xa6e83ee8, 0xdb6e0342, 0xa6e20214, 0xcb889c23, 0xa6dbd2ff, 0xdb44ce46, 0xa6d5b1a9, 0xcba57563, + 0xa6cf9e13, 0xdb1baff2, 0xa6c9983e, 0xcbc26eee, 0xa6c3a02b, 0xdaf2a860, 0xa6bdb5da, 0xcbdf88b3, + 0xa6b7d94e, 0xdac9b7a9, 0xa6b20a86, 0xcbfcc29f, 0xa6ac4984, 0xdaa0dde7, 0xa6a69649, 0xcc1a1ca0, + 0xa6a0f0d5, 0xda781b31, 0xa69b5929, 0xcc3796a5, 0xa695cf46, 0xda4f6fa3, 0xa690532d, 0xcc55309b, + 0xa68ae4df, 0xda26db54, 0xa685845c, 0xcc72ea70, 0xa68031a6, 0xd9fe5e5e, 0xa67aecbd, 0xcc90c412, + 0xa675b5a3, 0xd9d5f8d9, 0xa6708c57, 0xccaebd6e, 0xa66b70db, 0xd9adaadf, 0xa6666330, 0xccccd671, + 0xa6616355, 0xd9857489, 0xa65c714d, 0xcceb0f0a, 0xa6578d18, 0xd95d55ef, 0xa652b6b6, 0xcd096725, + 0xa64dee28, 0xd9354f2a, 0xa6493370, 0xcd27deb0, 0xa644868d, 0xd90d6053, 0xa63fe781, 0xcd467599, + 0xa63b564c, 0xd8e58982, 0xa636d2ee, 0xcd652bcb, 0xa6325d6a, 0xd8bdcad0, 0xa62df5bf, 0xcd840134, + 0xa6299bed, 0xd8962456, 0xa6254ff7, 0xcda2f5c2, 0xa62111db, 0xd86e962b, 0xa61ce19c, 0xcdc20960, + 0xa618bf39, 0xd8472069, 0xa614aab3, 0xcde13bfd, 0xa610a40c, 0xd81fc328, 0xa60cab43, 0xce008d84, + 0xa608c058, 0xd7f87e7f, 0xa604e34e, 0xce1ffde2, 0xa6011424, 0xd7d15288, 0xa5fd52db, 0xce3f8d05, + 0xa5f99f73, 0xd7aa3f5a, 0xa5f5f9ed, 0xce5f3ad8, 0xa5f2624a, 0xd783450d, 0xa5eed88a, 0xce7f0748, + 0xa5eb5cae, 0xd75c63ba, 0xa5e7eeb6, 0xce9ef241, 0xa5e48ea3, 0xd7359b78, 0xa5e13c75, 0xcebefbb0, + 0xa5ddf82d, 0xd70eec60, 0xa5dac1cb, 0xcedf2380, 0xa5d79950, 0xd6e85689, 0xa5d47ebc, 0xceff699f, + 0xa5d17210, 0xd6c1da0b, 0xa5ce734d, 0xcf1fcdf8, 0xa5cb8272, 0xd69b76fe, 0xa5c89f80, 0xcf405077, + 0xa5c5ca77, 0xd6752d79, 0xa5c30359, 0xcf60f108, 0xa5c04a25, 0xd64efd94, 0xa5bd9edc, 0xcf81af97, + 0xa5bb017f, 0xd628e767, 0xa5b8720d, 0xcfa28c10, 0xa5b5f087, 0xd602eb0a, 0xa5b37cee, 0xcfc3865e, + 0xa5b11741, 0xd5dd0892, 0xa5aebf82, 0xcfe49e6d, 0xa5ac75b0, 0xd5b74019, 0xa5aa39cd, 0xd005d42a, + 0xa5a80bd7, 0xd59191b5, 0xa5a5ebd0, 0xd027277e, 0xa5a3d9b8, 0xd56bfd7d, 0xa5a1d590, 0xd0489856, + 0xa59fdf57, 0xd5468389, 0xa59df70e, 0xd06a269d, 0xa59c1cb5, 0xd52123f0, 0xa59a504c, 0xd08bd23f, + 0xa59891d4, 0xd4fbdec9, 0xa596e14e, 0xd0ad9b26, 0xa5953eb8, 0xd4d6b42b, 0xa593aa14, 0xd0cf813e, + 0xa5922362, 0xd4b1a42c, 0xa590aaa2, 0xd0f18472, 0xa58f3fd4, 0xd48caee4, 0xa58de2f8, 0xd113a4ad, + 0xa58c940f, 0xd467d469, 0xa58b5319, 0xd135e1d9, 0xa58a2016, 0xd44314d3, 0xa588fb06, 0xd1583be2, + 0xa587e3ea, 0xd41e7037, 0xa586dac1, 0xd17ab2b3, 0xa585df8c, 0xd3f9e6ad, 0xa584f24b, 0xd19d4636, + 0xa58412fe, 0xd3d5784a, 0xa58341a5, 0xd1bff656, 0xa5827e40, 0xd3b12526, 0xa581c8d0, 0xd1e2c2fd, + 0xa5812154, 0xd38ced57, 0xa58087cd, 0xd205ac17, 0xa57ffc3b, 0xd368d0f3, 0xa57f7e9d, 0xd228b18d, + 0xa57f0ef5, 0xd344d011, 0xa57ead41, 0xd24bd34a, 0xa57e5982, 0xd320eac6, 0xa57e13b8, 0xd26f1138, + 0xa57ddbe4, 0xd2fd2129, 0xa57db204, 0xd2926b41, 0xa57d961a, 0xd2d97350, 0xa57d8825, 0xd2b5e151, +}; + +/* PostMultiply() tables + * format = Q30 + * reordered for sequential access + * decimate (skip by 16 instead of 2) for small transform (128) + * + * for (i = 0; i <= (512/2); i++) { + * angle = i * M_PI / 1024; + * x = (cos(angle) + sin(angle)); + * x = sin(angle); + * } + */ +const int cos1sin1tab[514] = { + /* format = Q30 */ + 0x40000000, 0x00000000, 0x40323034, 0x003243f1, 0x406438cf, 0x006487c4, 0x409619b2, 0x0096cb58, + 0x40c7d2bd, 0x00c90e90, 0x40f963d3, 0x00fb514b, 0x412accd4, 0x012d936c, 0x415c0da3, 0x015fd4d2, + 0x418d2621, 0x0192155f, 0x41be162f, 0x01c454f5, 0x41eeddaf, 0x01f69373, 0x421f7c84, 0x0228d0bb, + 0x424ff28f, 0x025b0caf, 0x42803fb2, 0x028d472e, 0x42b063d0, 0x02bf801a, 0x42e05ecb, 0x02f1b755, + 0x43103085, 0x0323ecbe, 0x433fd8e1, 0x03562038, 0x436f57c1, 0x038851a2, 0x439ead09, 0x03ba80df, + 0x43cdd89a, 0x03ecadcf, 0x43fcda59, 0x041ed854, 0x442bb227, 0x0451004d, 0x445a5fe8, 0x0483259d, + 0x4488e37f, 0x04b54825, 0x44b73ccf, 0x04e767c5, 0x44e56bbd, 0x0519845e, 0x4513702a, 0x054b9dd3, + 0x454149fc, 0x057db403, 0x456ef916, 0x05afc6d0, 0x459c7d5a, 0x05e1d61b, 0x45c9d6af, 0x0613e1c5, + 0x45f704f7, 0x0645e9af, 0x46240816, 0x0677edbb, 0x4650dff1, 0x06a9edc9, 0x467d8c6d, 0x06dbe9bb, + 0x46aa0d6d, 0x070de172, 0x46d662d6, 0x073fd4cf, 0x47028c8d, 0x0771c3b3, 0x472e8a76, 0x07a3adff, + 0x475a5c77, 0x07d59396, 0x47860275, 0x08077457, 0x47b17c54, 0x08395024, 0x47dcc9f9, 0x086b26de, + 0x4807eb4b, 0x089cf867, 0x4832e02d, 0x08cec4a0, 0x485da887, 0x09008b6a, 0x4888443d, 0x09324ca7, + 0x48b2b335, 0x09640837, 0x48dcf556, 0x0995bdfd, 0x49070a84, 0x09c76dd8, 0x4930f2a6, 0x09f917ac, + 0x495aada2, 0x0a2abb59, 0x49843b5f, 0x0a5c58c0, 0x49ad9bc2, 0x0a8defc3, 0x49d6ceb3, 0x0abf8043, + 0x49ffd417, 0x0af10a22, 0x4a28abd6, 0x0b228d42, 0x4a5155d6, 0x0b540982, 0x4a79d1ff, 0x0b857ec7, + 0x4aa22036, 0x0bb6ecef, 0x4aca4065, 0x0be853de, 0x4af23270, 0x0c19b374, 0x4b19f641, 0x0c4b0b94, + 0x4b418bbe, 0x0c7c5c1e, 0x4b68f2cf, 0x0cada4f5, 0x4b902b5c, 0x0cdee5f9, 0x4bb7354d, 0x0d101f0e, + 0x4bde1089, 0x0d415013, 0x4c04bcf8, 0x0d7278eb, 0x4c2b3a84, 0x0da39978, 0x4c518913, 0x0dd4b19a, + 0x4c77a88e, 0x0e05c135, 0x4c9d98de, 0x0e36c82a, 0x4cc359ec, 0x0e67c65a, 0x4ce8eb9f, 0x0e98bba7, + 0x4d0e4de2, 0x0ec9a7f3, 0x4d33809c, 0x0efa8b20, 0x4d5883b7, 0x0f2b650f, 0x4d7d571c, 0x0f5c35a3, + 0x4da1fab5, 0x0f8cfcbe, 0x4dc66e6a, 0x0fbdba40, 0x4deab226, 0x0fee6e0d, 0x4e0ec5d1, 0x101f1807, + 0x4e32a956, 0x104fb80e, 0x4e565c9f, 0x10804e06, 0x4e79df95, 0x10b0d9d0, 0x4e9d3222, 0x10e15b4e, + 0x4ec05432, 0x1111d263, 0x4ee345ad, 0x11423ef0, 0x4f06067f, 0x1172a0d7, 0x4f289692, 0x11a2f7fc, + 0x4f4af5d1, 0x11d3443f, 0x4f6d2427, 0x12038584, 0x4f8f217e, 0x1233bbac, 0x4fb0edc1, 0x1263e699, + 0x4fd288dc, 0x1294062f, 0x4ff3f2bb, 0x12c41a4f, 0x50152b47, 0x12f422db, 0x5036326e, 0x13241fb6, + 0x50570819, 0x135410c3, 0x5077ac37, 0x1383f5e3, 0x50981eb1, 0x13b3cefa, 0x50b85f74, 0x13e39be9, + 0x50d86e6d, 0x14135c94, 0x50f84b87, 0x144310dd, 0x5117f6ae, 0x1472b8a5, 0x51376fd0, 0x14a253d1, + 0x5156b6d9, 0x14d1e242, 0x5175cbb5, 0x150163dc, 0x5194ae52, 0x1530d881, 0x51b35e9b, 0x15604013, + 0x51d1dc80, 0x158f9a76, 0x51f027eb, 0x15bee78c, 0x520e40cc, 0x15ee2738, 0x522c270f, 0x161d595d, + 0x5249daa2, 0x164c7ddd, 0x52675b72, 0x167b949d, 0x5284a96e, 0x16aa9d7e, 0x52a1c482, 0x16d99864, + 0x52beac9f, 0x17088531, 0x52db61b0, 0x173763c9, 0x52f7e3a6, 0x1766340f, 0x5314326d, 0x1794f5e6, + 0x53304df6, 0x17c3a931, 0x534c362d, 0x17f24dd3, 0x5367eb03, 0x1820e3b0, 0x53836c66, 0x184f6aab, + 0x539eba45, 0x187de2a7, 0x53b9d48f, 0x18ac4b87, 0x53d4bb34, 0x18daa52f, 0x53ef6e23, 0x1908ef82, + 0x5409ed4b, 0x19372a64, 0x5424389d, 0x196555b8, 0x543e5007, 0x19937161, 0x5458337a, 0x19c17d44, + 0x5471e2e6, 0x19ef7944, 0x548b5e3b, 0x1a1d6544, 0x54a4a56a, 0x1a4b4128, 0x54bdb862, 0x1a790cd4, + 0x54d69714, 0x1aa6c82b, 0x54ef4171, 0x1ad47312, 0x5507b76a, 0x1b020d6c, 0x551ff8ef, 0x1b2f971e, + 0x553805f2, 0x1b5d100a, 0x554fde64, 0x1b8a7815, 0x55678236, 0x1bb7cf23, 0x557ef15a, 0x1be51518, + 0x55962bc0, 0x1c1249d8, 0x55ad315b, 0x1c3f6d47, 0x55c4021d, 0x1c6c7f4a, 0x55da9df7, 0x1c997fc4, + 0x55f104dc, 0x1cc66e99, 0x560736bd, 0x1cf34baf, 0x561d338d, 0x1d2016e9, 0x5632fb3f, 0x1d4cd02c, + 0x56488dc5, 0x1d79775c, 0x565deb11, 0x1da60c5d, 0x56731317, 0x1dd28f15, 0x568805c9, 0x1dfeff67, + 0x569cc31b, 0x1e2b5d38, 0x56b14b00, 0x1e57a86d, 0x56c59d6a, 0x1e83e0eb, 0x56d9ba4e, 0x1eb00696, + 0x56eda1a0, 0x1edc1953, 0x57015352, 0x1f081907, 0x5714cf59, 0x1f340596, 0x572815a8, 0x1f5fdee6, + 0x573b2635, 0x1f8ba4dc, 0x574e00f2, 0x1fb7575c, 0x5760a5d5, 0x1fe2f64c, 0x577314d2, 0x200e8190, + 0x57854ddd, 0x2039f90f, 0x579750ec, 0x20655cac, 0x57a91df2, 0x2090ac4d, 0x57bab4e6, 0x20bbe7d8, + 0x57cc15bc, 0x20e70f32, 0x57dd406a, 0x21122240, 0x57ee34e5, 0x213d20e8, 0x57fef323, 0x21680b0f, + 0x580f7b19, 0x2192e09b, 0x581fccbc, 0x21bda171, 0x582fe804, 0x21e84d76, 0x583fcce6, 0x2212e492, + 0x584f7b58, 0x223d66a8, 0x585ef351, 0x2267d3a0, 0x586e34c7, 0x22922b5e, 0x587d3fb0, 0x22bc6dca, + 0x588c1404, 0x22e69ac8, 0x589ab1b9, 0x2310b23e, 0x58a918c6, 0x233ab414, 0x58b74923, 0x2364a02e, + 0x58c542c5, 0x238e7673, 0x58d305a6, 0x23b836ca, 0x58e091bd, 0x23e1e117, 0x58ede700, 0x240b7543, + 0x58fb0568, 0x2434f332, 0x5907eced, 0x245e5acc, 0x59149d87, 0x2487abf7, 0x5921172e, 0x24b0e699, + 0x592d59da, 0x24da0a9a, 0x59396584, 0x250317df, 0x59453a24, 0x252c0e4f, 0x5950d7b3, 0x2554edd1, + 0x595c3e2a, 0x257db64c, 0x59676d82, 0x25a667a7, 0x597265b4, 0x25cf01c8, 0x597d26b8, 0x25f78497, + 0x5987b08a, 0x261feffa, 0x59920321, 0x264843d9, 0x599c1e78, 0x2670801a, 0x59a60288, 0x2698a4a6, + 0x59afaf4c, 0x26c0b162, 0x59b924bc, 0x26e8a637, 0x59c262d5, 0x2710830c, 0x59cb698f, 0x273847c8, + 0x59d438e5, 0x275ff452, 0x59dcd0d3, 0x27878893, 0x59e53151, 0x27af0472, 0x59ed5a5c, 0x27d667d5, + 0x59f54bee, 0x27fdb2a7, 0x59fd0603, 0x2824e4cc, 0x5a048895, 0x284bfe2f, 0x5a0bd3a1, 0x2872feb6, + 0x5a12e720, 0x2899e64a, 0x5a19c310, 0x28c0b4d2, 0x5a20676c, 0x28e76a37, 0x5a26d42f, 0x290e0661, + 0x5a2d0957, 0x29348937, 0x5a3306de, 0x295af2a3, 0x5a38ccc2, 0x2981428c, 0x5a3e5afe, 0x29a778db, + 0x5a43b190, 0x29cd9578, 0x5a48d074, 0x29f3984c, 0x5a4db7a6, 0x2a19813f, 0x5a526725, 0x2a3f503a, + 0x5a56deec, 0x2a650525, 0x5a5b1efa, 0x2a8a9fea, 0x5a5f274b, 0x2ab02071, 0x5a62f7dd, 0x2ad586a3, + 0x5a6690ae, 0x2afad269, 0x5a69f1bb, 0x2b2003ac, 0x5a6d1b03, 0x2b451a55, 0x5a700c84, 0x2b6a164d, + 0x5a72c63b, 0x2b8ef77d, 0x5a754827, 0x2bb3bdce, 0x5a779246, 0x2bd8692b, 0x5a79a498, 0x2bfcf97c, + 0x5a7b7f1a, 0x2c216eaa, 0x5a7d21cc, 0x2c45c8a0, 0x5a7e8cac, 0x2c6a0746, 0x5a7fbfbb, 0x2c8e2a87, + 0x5a80baf6, 0x2cb2324c, 0x5a817e5d, 0x2cd61e7f, 0x5a8209f1, 0x2cf9ef09, 0x5a825db0, 0x2d1da3d5, + 0x5a82799a, 0x2d413ccd, +}; + +const int sinWindowOffset[NUM_IMDCT_SIZES] = {0, 128}; + +/* Synthesis window - SIN + * format = Q31 for nmdct = [128, 1024] + * reordered for sequential access + * + * for (i = 0; i < nmdct/2; i++) { + * angle = (i + 0.5) * M_PI / (2.0 * nmdct); + * x = sin(angle); + * + * angle = (nmdct - 1 - i + 0.5) * M_PI / (2.0 * nmdct); + * x = sin(angle); + * } + */ +const int sinWindow[128 + 1024] = { + /* 128 - format = Q31 * 2^0 */ + 0x00c90f88, 0x7fff6216, 0x025b26d7, 0x7ffa72d1, 0x03ed26e6, 0x7ff09478, 0x057f0035, 0x7fe1c76b, + 0x0710a345, 0x7fce0c3e, 0x08a2009a, 0x7fb563b3, 0x0a3308bd, 0x7f97cebd, 0x0bc3ac35, 0x7f754e80, + 0x0d53db92, 0x7f4de451, 0x0ee38766, 0x7f2191b4, 0x1072a048, 0x7ef05860, 0x120116d5, 0x7eba3a39, + 0x138edbb1, 0x7e7f3957, 0x151bdf86, 0x7e3f57ff, 0x16a81305, 0x7dfa98a8, 0x183366e9, 0x7db0fdf8, + 0x19bdcbf3, 0x7d628ac6, 0x1b4732ef, 0x7d0f4218, 0x1ccf8cb3, 0x7cb72724, 0x1e56ca1e, 0x7c5a3d50, + 0x1fdcdc1b, 0x7bf88830, 0x2161b3a0, 0x7b920b89, 0x22e541af, 0x7b26cb4f, 0x24677758, 0x7ab6cba4, + 0x25e845b6, 0x7a4210d8, 0x27679df4, 0x79c89f6e, 0x28e5714b, 0x794a7c12, 0x2a61b101, 0x78c7aba2, + 0x2bdc4e6f, 0x78403329, 0x2d553afc, 0x77b417df, 0x2ecc681e, 0x77235f2d, 0x3041c761, 0x768e0ea6, + 0x31b54a5e, 0x75f42c0b, 0x3326e2c3, 0x7555bd4c, 0x34968250, 0x74b2c884, 0x36041ad9, 0x740b53fb, + 0x376f9e46, 0x735f6626, 0x38d8fe93, 0x72af05a7, 0x3a402dd2, 0x71fa3949, 0x3ba51e29, 0x71410805, + 0x3d07c1d6, 0x708378ff, 0x3e680b2c, 0x6fc19385, 0x3fc5ec98, 0x6efb5f12, 0x4121589b, 0x6e30e34a, + 0x427a41d0, 0x6d6227fa, 0x43d09aed, 0x6c8f351c, 0x452456bd, 0x6bb812d1, 0x46756828, 0x6adcc964, + 0x47c3c22f, 0x69fd614a, 0x490f57ee, 0x6919e320, 0x4a581c9e, 0x683257ab, 0x4b9e0390, 0x6746c7d8, + 0x4ce10034, 0x66573cbb, 0x4e210617, 0x6563bf92, 0x4f5e08e3, 0x646c59bf, 0x5097fc5e, 0x637114cc, + 0x51ced46e, 0x6271fa69, 0x53028518, 0x616f146c, 0x5433027d, 0x60686ccf, 0x556040e2, 0x5f5e0db3, + 0x568a34a9, 0x5e50015d, 0x57b0d256, 0x5d3e5237, 0x58d40e8c, 0x5c290acc, 0x59f3de12, 0x5b1035cf, + /* 1024 - format = Q31 * 2^0 */ + 0x001921fb, 0x7ffffd88, 0x004b65ee, 0x7fffe9cb, 0x007da9d4, 0x7fffc251, 0x00afeda8, 0x7fff8719, + 0x00e23160, 0x7fff3824, 0x011474f6, 0x7ffed572, 0x0146b860, 0x7ffe5f03, 0x0178fb99, 0x7ffdd4d7, + 0x01ab3e97, 0x7ffd36ee, 0x01dd8154, 0x7ffc8549, 0x020fc3c6, 0x7ffbbfe6, 0x024205e8, 0x7ffae6c7, + 0x027447b0, 0x7ff9f9ec, 0x02a68917, 0x7ff8f954, 0x02d8ca16, 0x7ff7e500, 0x030b0aa4, 0x7ff6bcf0, + 0x033d4abb, 0x7ff58125, 0x036f8a51, 0x7ff4319d, 0x03a1c960, 0x7ff2ce5b, 0x03d407df, 0x7ff1575d, + 0x040645c7, 0x7fefcca4, 0x04388310, 0x7fee2e30, 0x046abfb3, 0x7fec7c02, 0x049cfba7, 0x7feab61a, + 0x04cf36e5, 0x7fe8dc78, 0x05017165, 0x7fe6ef1c, 0x0533ab20, 0x7fe4ee06, 0x0565e40d, 0x7fe2d938, + 0x05981c26, 0x7fe0b0b1, 0x05ca5361, 0x7fde7471, 0x05fc89b8, 0x7fdc247a, 0x062ebf22, 0x7fd9c0ca, + 0x0660f398, 0x7fd74964, 0x06932713, 0x7fd4be46, 0x06c5598a, 0x7fd21f72, 0x06f78af6, 0x7fcf6ce8, + 0x0729bb4e, 0x7fcca6a7, 0x075bea8c, 0x7fc9ccb2, 0x078e18a7, 0x7fc6df08, 0x07c04598, 0x7fc3dda9, + 0x07f27157, 0x7fc0c896, 0x08249bdd, 0x7fbd9fd0, 0x0856c520, 0x7fba6357, 0x0888ed1b, 0x7fb7132b, + 0x08bb13c5, 0x7fb3af4e, 0x08ed3916, 0x7fb037bf, 0x091f5d06, 0x7facac7f, 0x09517f8f, 0x7fa90d8e, + 0x0983a0a7, 0x7fa55aee, 0x09b5c048, 0x7fa1949e, 0x09e7de6a, 0x7f9dbaa0, 0x0a19fb04, 0x7f99ccf4, + 0x0a4c1610, 0x7f95cb9a, 0x0a7e2f85, 0x7f91b694, 0x0ab0475c, 0x7f8d8de1, 0x0ae25d8d, 0x7f895182, + 0x0b147211, 0x7f850179, 0x0b4684df, 0x7f809dc5, 0x0b7895f0, 0x7f7c2668, 0x0baaa53b, 0x7f779b62, + 0x0bdcb2bb, 0x7f72fcb4, 0x0c0ebe66, 0x7f6e4a5e, 0x0c40c835, 0x7f698461, 0x0c72d020, 0x7f64aabf, + 0x0ca4d620, 0x7f5fbd77, 0x0cd6da2d, 0x7f5abc8a, 0x0d08dc3f, 0x7f55a7fa, 0x0d3adc4e, 0x7f507fc7, + 0x0d6cda53, 0x7f4b43f2, 0x0d9ed646, 0x7f45f47b, 0x0dd0d01f, 0x7f409164, 0x0e02c7d7, 0x7f3b1aad, + 0x0e34bd66, 0x7f359057, 0x0e66b0c3, 0x7f2ff263, 0x0e98a1e9, 0x7f2a40d2, 0x0eca90ce, 0x7f247ba5, + 0x0efc7d6b, 0x7f1ea2dc, 0x0f2e67b8, 0x7f18b679, 0x0f604faf, 0x7f12b67c, 0x0f923546, 0x7f0ca2e7, + 0x0fc41876, 0x7f067bba, 0x0ff5f938, 0x7f0040f6, 0x1027d784, 0x7ef9f29d, 0x1059b352, 0x7ef390ae, + 0x108b8c9b, 0x7eed1b2c, 0x10bd6356, 0x7ee69217, 0x10ef377d, 0x7edff570, 0x11210907, 0x7ed94538, + 0x1152d7ed, 0x7ed28171, 0x1184a427, 0x7ecbaa1a, 0x11b66dad, 0x7ec4bf36, 0x11e83478, 0x7ebdc0c6, + 0x1219f880, 0x7eb6aeca, 0x124bb9be, 0x7eaf8943, 0x127d7829, 0x7ea85033, 0x12af33ba, 0x7ea1039b, + 0x12e0ec6a, 0x7e99a37c, 0x1312a230, 0x7e922fd6, 0x13445505, 0x7e8aa8ac, 0x137604e2, 0x7e830dff, + 0x13a7b1bf, 0x7e7b5fce, 0x13d95b93, 0x7e739e1d, 0x140b0258, 0x7e6bc8eb, 0x143ca605, 0x7e63e03b, + 0x146e4694, 0x7e5be40c, 0x149fe3fc, 0x7e53d462, 0x14d17e36, 0x7e4bb13c, 0x1503153a, 0x7e437a9c, + 0x1534a901, 0x7e3b3083, 0x15663982, 0x7e32d2f4, 0x1597c6b7, 0x7e2a61ed, 0x15c95097, 0x7e21dd73, + 0x15fad71b, 0x7e194584, 0x162c5a3b, 0x7e109a24, 0x165dd9f0, 0x7e07db52, 0x168f5632, 0x7dff0911, + 0x16c0cef9, 0x7df62362, 0x16f2443e, 0x7ded2a47, 0x1723b5f9, 0x7de41dc0, 0x17552422, 0x7ddafdce, + 0x17868eb3, 0x7dd1ca75, 0x17b7f5a3, 0x7dc883b4, 0x17e958ea, 0x7dbf298d, 0x181ab881, 0x7db5bc02, + 0x184c1461, 0x7dac3b15, 0x187d6c82, 0x7da2a6c6, 0x18aec0db, 0x7d98ff17, 0x18e01167, 0x7d8f4409, + 0x19115e1c, 0x7d85759f, 0x1942a6f3, 0x7d7b93da, 0x1973ebe6, 0x7d719eba, 0x19a52ceb, 0x7d679642, + 0x19d669fc, 0x7d5d7a74, 0x1a07a311, 0x7d534b50, 0x1a38d823, 0x7d4908d9, 0x1a6a0929, 0x7d3eb30f, + 0x1a9b361d, 0x7d3449f5, 0x1acc5ef6, 0x7d29cd8c, 0x1afd83ad, 0x7d1f3dd6, 0x1b2ea43a, 0x7d149ad5, + 0x1b5fc097, 0x7d09e489, 0x1b90d8bb, 0x7cff1af5, 0x1bc1ec9e, 0x7cf43e1a, 0x1bf2fc3a, 0x7ce94dfb, + 0x1c240786, 0x7cde4a98, 0x1c550e7c, 0x7cd333f3, 0x1c861113, 0x7cc80a0f, 0x1cb70f43, 0x7cbcccec, + 0x1ce80906, 0x7cb17c8d, 0x1d18fe54, 0x7ca618f3, 0x1d49ef26, 0x7c9aa221, 0x1d7adb73, 0x7c8f1817, + 0x1dabc334, 0x7c837ad8, 0x1ddca662, 0x7c77ca65, 0x1e0d84f5, 0x7c6c06c0, 0x1e3e5ee5, 0x7c602fec, + 0x1e6f342c, 0x7c5445e9, 0x1ea004c1, 0x7c4848ba, 0x1ed0d09d, 0x7c3c3860, 0x1f0197b8, 0x7c3014de, + 0x1f325a0b, 0x7c23de35, 0x1f63178f, 0x7c179467, 0x1f93d03c, 0x7c0b3777, 0x1fc4840a, 0x7bfec765, + 0x1ff532f2, 0x7bf24434, 0x2025dcec, 0x7be5ade6, 0x205681f1, 0x7bd9047c, 0x208721f9, 0x7bcc47fa, + 0x20b7bcfe, 0x7bbf7860, 0x20e852f6, 0x7bb295b0, 0x2118e3dc, 0x7ba59fee, 0x21496fa7, 0x7b989719, + 0x2179f64f, 0x7b8b7b36, 0x21aa77cf, 0x7b7e4c45, 0x21daf41d, 0x7b710a49, 0x220b6b32, 0x7b63b543, + 0x223bdd08, 0x7b564d36, 0x226c4996, 0x7b48d225, 0x229cb0d5, 0x7b3b4410, 0x22cd12bd, 0x7b2da2fa, + 0x22fd6f48, 0x7b1feee5, 0x232dc66d, 0x7b1227d3, 0x235e1826, 0x7b044dc7, 0x238e646a, 0x7af660c2, + 0x23beab33, 0x7ae860c7, 0x23eeec78, 0x7ada4dd8, 0x241f2833, 0x7acc27f7, 0x244f5e5c, 0x7abdef25, + 0x247f8eec, 0x7aafa367, 0x24afb9da, 0x7aa144bc, 0x24dfdf20, 0x7a92d329, 0x250ffeb7, 0x7a844eae, + 0x25401896, 0x7a75b74f, 0x25702cb7, 0x7a670d0d, 0x25a03b11, 0x7a584feb, 0x25d0439f, 0x7a497feb, + 0x26004657, 0x7a3a9d0f, 0x26304333, 0x7a2ba75a, 0x26603a2c, 0x7a1c9ece, 0x26902b39, 0x7a0d836d, + 0x26c01655, 0x79fe5539, 0x26effb76, 0x79ef1436, 0x271fda96, 0x79dfc064, 0x274fb3ae, 0x79d059c8, + 0x277f86b5, 0x79c0e062, 0x27af53a6, 0x79b15435, 0x27df1a77, 0x79a1b545, 0x280edb23, 0x79920392, + 0x283e95a1, 0x79823f20, 0x286e49ea, 0x797267f2, 0x289df7f8, 0x79627e08, 0x28cd9fc1, 0x79528167, + 0x28fd4140, 0x79427210, 0x292cdc6d, 0x79325006, 0x295c7140, 0x79221b4b, 0x298bffb2, 0x7911d3e2, + 0x29bb87bc, 0x790179cd, 0x29eb0957, 0x78f10d0f, 0x2a1a847b, 0x78e08dab, 0x2a49f920, 0x78cffba3, + 0x2a796740, 0x78bf56f9, 0x2aa8ced3, 0x78ae9fb0, 0x2ad82fd2, 0x789dd5cb, 0x2b078a36, 0x788cf94c, + 0x2b36ddf7, 0x787c0a36, 0x2b662b0e, 0x786b088c, 0x2b957173, 0x7859f44f, 0x2bc4b120, 0x7848cd83, + 0x2bf3ea0d, 0x7837942b, 0x2c231c33, 0x78264849, 0x2c52478a, 0x7814e9df, 0x2c816c0c, 0x780378f1, + 0x2cb089b1, 0x77f1f581, 0x2cdfa071, 0x77e05f91, 0x2d0eb046, 0x77ceb725, 0x2d3db928, 0x77bcfc3f, + 0x2d6cbb10, 0x77ab2ee2, 0x2d9bb5f6, 0x77994f11, 0x2dcaa9d5, 0x77875cce, 0x2df996a3, 0x7775581d, + 0x2e287c5a, 0x776340ff, 0x2e575af3, 0x77511778, 0x2e863267, 0x773edb8b, 0x2eb502ae, 0x772c8d3a, + 0x2ee3cbc1, 0x771a2c88, 0x2f128d99, 0x7707b979, 0x2f41482e, 0x76f5340e, 0x2f6ffb7a, 0x76e29c4b, + 0x2f9ea775, 0x76cff232, 0x2fcd4c19, 0x76bd35c7, 0x2ffbe95d, 0x76aa670d, 0x302a7f3a, 0x76978605, + 0x30590dab, 0x768492b4, 0x308794a6, 0x76718d1c, 0x30b61426, 0x765e7540, 0x30e48c22, 0x764b4b23, + 0x3112fc95, 0x76380ec8, 0x31416576, 0x7624c031, 0x316fc6be, 0x76115f63, 0x319e2067, 0x75fdec60, + 0x31cc7269, 0x75ea672a, 0x31fabcbd, 0x75d6cfc5, 0x3228ff5c, 0x75c32634, 0x32573a3f, 0x75af6a7b, + 0x32856d5e, 0x759b9c9b, 0x32b398b3, 0x7587bc98, 0x32e1bc36, 0x7573ca75, 0x330fd7e1, 0x755fc635, + 0x333debab, 0x754bafdc, 0x336bf78f, 0x7537876c, 0x3399fb85, 0x75234ce8, 0x33c7f785, 0x750f0054, + 0x33f5eb89, 0x74faa1b3, 0x3423d78a, 0x74e63108, 0x3451bb81, 0x74d1ae55, 0x347f9766, 0x74bd199f, + 0x34ad6b32, 0x74a872e8, 0x34db36df, 0x7493ba34, 0x3508fa66, 0x747eef85, 0x3536b5be, 0x746a12df, + 0x356468e2, 0x74552446, 0x359213c9, 0x744023bc, 0x35bfb66e, 0x742b1144, 0x35ed50c9, 0x7415ece2, + 0x361ae2d3, 0x7400b69a, 0x36486c86, 0x73eb6e6e, 0x3675edd9, 0x73d61461, 0x36a366c6, 0x73c0a878, + 0x36d0d746, 0x73ab2ab4, 0x36fe3f52, 0x73959b1b, 0x372b9ee3, 0x737ff9ae, 0x3758f5f2, 0x736a4671, + 0x37864477, 0x73548168, 0x37b38a6d, 0x733eaa96, 0x37e0c7cc, 0x7328c1ff, 0x380dfc8d, 0x7312c7a5, + 0x383b28a9, 0x72fcbb8c, 0x38684c19, 0x72e69db7, 0x389566d6, 0x72d06e2b, 0x38c278d9, 0x72ba2cea, + 0x38ef821c, 0x72a3d9f7, 0x391c8297, 0x728d7557, 0x39497a43, 0x7276ff0d, 0x39766919, 0x7260771b, + 0x39a34f13, 0x7249dd86, 0x39d02c2a, 0x72333251, 0x39fd0056, 0x721c7580, 0x3a29cb91, 0x7205a716, + 0x3a568dd4, 0x71eec716, 0x3a834717, 0x71d7d585, 0x3aaff755, 0x71c0d265, 0x3adc9e86, 0x71a9bdba, + 0x3b093ca3, 0x71929789, 0x3b35d1a5, 0x717b5fd3, 0x3b625d86, 0x7164169d, 0x3b8ee03e, 0x714cbbeb, + 0x3bbb59c7, 0x71354fc0, 0x3be7ca1a, 0x711dd220, 0x3c143130, 0x7106430e, 0x3c408f03, 0x70eea28e, + 0x3c6ce38a, 0x70d6f0a4, 0x3c992ec0, 0x70bf2d53, 0x3cc5709e, 0x70a7589f, 0x3cf1a91c, 0x708f728b, + 0x3d1dd835, 0x70777b1c, 0x3d49fde1, 0x705f7255, 0x3d761a19, 0x70475839, 0x3da22cd7, 0x702f2ccd, + 0x3dce3614, 0x7016f014, 0x3dfa35c8, 0x6ffea212, 0x3e262bee, 0x6fe642ca, 0x3e52187f, 0x6fcdd241, + 0x3e7dfb73, 0x6fb5507a, 0x3ea9d4c3, 0x6f9cbd79, 0x3ed5a46b, 0x6f841942, 0x3f016a61, 0x6f6b63d8, + 0x3f2d26a0, 0x6f529d40, 0x3f58d921, 0x6f39c57d, 0x3f8481dd, 0x6f20dc92, 0x3fb020ce, 0x6f07e285, + 0x3fdbb5ec, 0x6eeed758, 0x40074132, 0x6ed5bb10, 0x4032c297, 0x6ebc8db0, 0x405e3a16, 0x6ea34f3d, + 0x4089a7a8, 0x6e89ffb9, 0x40b50b46, 0x6e709f2a, 0x40e064ea, 0x6e572d93, 0x410bb48c, 0x6e3daaf8, + 0x4136fa27, 0x6e24175c, 0x416235b2, 0x6e0a72c5, 0x418d6729, 0x6df0bd35, 0x41b88e84, 0x6dd6f6b1, + 0x41e3abbc, 0x6dbd1f3c, 0x420ebecb, 0x6da336dc, 0x4239c7aa, 0x6d893d93, 0x4264c653, 0x6d6f3365, + 0x428fbabe, 0x6d551858, 0x42baa4e6, 0x6d3aec6e, 0x42e584c3, 0x6d20afac, 0x43105a50, 0x6d066215, + 0x433b2585, 0x6cec03af, 0x4365e65b, 0x6cd1947c, 0x43909ccd, 0x6cb71482, 0x43bb48d4, 0x6c9c83c3, + 0x43e5ea68, 0x6c81e245, 0x44108184, 0x6c67300b, 0x443b0e21, 0x6c4c6d1a, 0x44659039, 0x6c319975, + 0x449007c4, 0x6c16b521, 0x44ba74bd, 0x6bfbc021, 0x44e4d71c, 0x6be0ba7b, 0x450f2edb, 0x6bc5a431, + 0x45397bf4, 0x6baa7d49, 0x4563be60, 0x6b8f45c7, 0x458df619, 0x6b73fdae, 0x45b82318, 0x6b58a503, + 0x45e24556, 0x6b3d3bcb, 0x460c5cce, 0x6b21c208, 0x46366978, 0x6b0637c1, 0x46606b4e, 0x6aea9cf8, + 0x468a624a, 0x6acef1b2, 0x46b44e65, 0x6ab335f4, 0x46de2f99, 0x6a9769c1, 0x470805df, 0x6a7b8d1e, + 0x4731d131, 0x6a5fa010, 0x475b9188, 0x6a43a29a, 0x478546de, 0x6a2794c1, 0x47aef12c, 0x6a0b7689, + 0x47d8906d, 0x69ef47f6, 0x48022499, 0x69d3090e, 0x482badab, 0x69b6b9d3, 0x48552b9b, 0x699a5a4c, + 0x487e9e64, 0x697dea7b, 0x48a805ff, 0x69616a65, 0x48d16265, 0x6944da10, 0x48fab391, 0x6928397e, + 0x4923f97b, 0x690b88b5, 0x494d341e, 0x68eec7b9, 0x49766373, 0x68d1f68f, 0x499f8774, 0x68b5153a, + 0x49c8a01b, 0x689823bf, 0x49f1ad61, 0x687b2224, 0x4a1aaf3f, 0x685e106c, 0x4a43a5b0, 0x6840ee9b, + 0x4a6c90ad, 0x6823bcb7, 0x4a957030, 0x68067ac3, 0x4abe4433, 0x67e928c5, 0x4ae70caf, 0x67cbc6c0, + 0x4b0fc99d, 0x67ae54ba, 0x4b387af9, 0x6790d2b6, 0x4b6120bb, 0x677340ba, 0x4b89badd, 0x67559eca, + 0x4bb24958, 0x6737ecea, 0x4bdacc28, 0x671a2b20, 0x4c034345, 0x66fc596f, 0x4c2baea9, 0x66de77dc, + 0x4c540e4e, 0x66c0866d, 0x4c7c622d, 0x66a28524, 0x4ca4aa41, 0x66847408, 0x4ccce684, 0x6666531d, + 0x4cf516ee, 0x66482267, 0x4d1d3b7a, 0x6629e1ec, 0x4d455422, 0x660b91af, 0x4d6d60df, 0x65ed31b5, + 0x4d9561ac, 0x65cec204, 0x4dbd5682, 0x65b0429f, 0x4de53f5a, 0x6591b38c, 0x4e0d1c30, 0x657314cf, + 0x4e34ecfc, 0x6554666d, 0x4e5cb1b9, 0x6535a86b, 0x4e846a60, 0x6516dacd, 0x4eac16eb, 0x64f7fd98, + 0x4ed3b755, 0x64d910d1, 0x4efb4b96, 0x64ba147d, 0x4f22d3aa, 0x649b08a0, 0x4f4a4f89, 0x647bed3f, + 0x4f71bf2e, 0x645cc260, 0x4f992293, 0x643d8806, 0x4fc079b1, 0x641e3e38, 0x4fe7c483, 0x63fee4f8, + 0x500f0302, 0x63df7c4d, 0x50363529, 0x63c0043b, 0x505d5af1, 0x63a07cc7, 0x50847454, 0x6380e5f6, + 0x50ab814d, 0x63613fcd, 0x50d281d5, 0x63418a50, 0x50f975e6, 0x6321c585, 0x51205d7b, 0x6301f171, + 0x5147388c, 0x62e20e17, 0x516e0715, 0x62c21b7e, 0x5194c910, 0x62a219aa, 0x51bb7e75, 0x628208a1, + 0x51e22740, 0x6261e866, 0x5208c36a, 0x6241b8ff, 0x522f52ee, 0x62217a72, 0x5255d5c5, 0x62012cc2, + 0x527c4bea, 0x61e0cff5, 0x52a2b556, 0x61c06410, 0x52c91204, 0x619fe918, 0x52ef61ee, 0x617f5f12, + 0x5315a50e, 0x615ec603, 0x533bdb5d, 0x613e1df0, 0x536204d7, 0x611d66de, 0x53882175, 0x60fca0d2, + 0x53ae3131, 0x60dbcbd1, 0x53d43406, 0x60bae7e1, 0x53fa29ed, 0x6099f505, 0x542012e1, 0x6078f344, + 0x5445eedb, 0x6057e2a2, 0x546bbdd7, 0x6036c325, 0x54917fce, 0x601594d1, 0x54b734ba, 0x5ff457ad, + 0x54dcdc96, 0x5fd30bbc, 0x5502775c, 0x5fb1b104, 0x55280505, 0x5f90478a, 0x554d858d, 0x5f6ecf53, + 0x5572f8ed, 0x5f4d4865, 0x55985f20, 0x5f2bb2c5, 0x55bdb81f, 0x5f0a0e77, 0x55e303e6, 0x5ee85b82, + 0x5608426e, 0x5ec699e9, 0x562d73b2, 0x5ea4c9b3, 0x565297ab, 0x5e82eae5, 0x5677ae54, 0x5e60fd84, + 0x569cb7a8, 0x5e3f0194, 0x56c1b3a1, 0x5e1cf71c, 0x56e6a239, 0x5dfade20, 0x570b8369, 0x5dd8b6a7, + 0x5730572e, 0x5db680b4, 0x57551d80, 0x5d943c4e, 0x5779d65b, 0x5d71e979, 0x579e81b8, 0x5d4f883b, + 0x57c31f92, 0x5d2d189a, 0x57e7afe4, 0x5d0a9a9a, 0x580c32a7, 0x5ce80e41, 0x5830a7d6, 0x5cc57394, + 0x58550f6c, 0x5ca2ca99, 0x58796962, 0x5c801354, 0x589db5b3, 0x5c5d4dcc, 0x58c1f45b, 0x5c3a7a05, + 0x58e62552, 0x5c179806, 0x590a4893, 0x5bf4a7d2, 0x592e5e19, 0x5bd1a971, 0x595265df, 0x5bae9ce7, + 0x59765fde, 0x5b8b8239, 0x599a4c12, 0x5b68596d, 0x59be2a74, 0x5b452288, 0x59e1faff, 0x5b21dd90, + 0x5a05bdae, 0x5afe8a8b, 0x5a29727b, 0x5adb297d, 0x5a4d1960, 0x5ab7ba6c, 0x5a70b258, 0x5a943d5e, +}; + +const int kbdWindowOffset[NUM_IMDCT_SIZES] = {0, 128}; + +/* Synthesis window - KBD + * format = Q31 for nmdct = [128, 1024] + * reordered for sequential access + * + * aacScaleFact = -sqrt(1.0 / (2.0 * nmdct)); + * for (i = 0; i < nmdct/2; i++) { + * x = kbdWindowRef[i] * aacScaleFact; + * x = kbdWindowRef[nmdct - 1 - i] * aacScaleFact; + * } + * Note: see below for code to generate kbdWindowRef[] + */ +const int kbdWindow[128 + 1024] = { + /* 128 - format = Q31 * 2^0 */ + 0x00016f63, 0x7ffffffe, 0x0003e382, 0x7ffffff1, 0x00078f64, 0x7fffffc7, 0x000cc323, 0x7fffff5d, + 0x0013d9ed, 0x7ffffe76, 0x001d3a9d, 0x7ffffcaa, 0x0029581f, 0x7ffff953, 0x0038b1bd, 0x7ffff372, + 0x004bd34d, 0x7fffe98b, 0x00635538, 0x7fffd975, 0x007fdc64, 0x7fffc024, 0x00a219f1, 0x7fff995b, + 0x00cacad0, 0x7fff5f5b, 0x00fab72d, 0x7fff0a75, 0x0132b1af, 0x7ffe9091, 0x01739689, 0x7ffde49e, + 0x01be4a63, 0x7ffcf5ef, 0x0213b910, 0x7ffbaf84, 0x0274d41e, 0x7ff9f73a, 0x02e2913a, 0x7ff7acf1, + 0x035de86c, 0x7ff4a99a, 0x03e7d233, 0x7ff0be3d, 0x0481457c, 0x7febb2f1, 0x052b357c, 0x7fe545d4, + 0x05e68f77, 0x7fdd2a02, 0x06b4386f, 0x7fd30695, 0x07950acb, 0x7fc675b4, 0x0889d3ef, 0x7fb703be, + 0x099351e0, 0x7fa42e89, 0x0ab230e0, 0x7f8d64d8, 0x0be70923, 0x7f7205f8, 0x0d325c93, 0x7f516195, + 0x0e9494ae, 0x7f2ab7d0, 0x100e0085, 0x7efd3997, 0x119ed2ef, 0x7ec8094a, 0x134720d8, 0x7e8a3ba7, + 0x1506dfdc, 0x7e42d906, 0x16dde50b, 0x7df0dee4, 0x18cbe3f7, 0x7d9341b4, 0x1ad06e07, 0x7d28ef02, + 0x1ceaf215, 0x7cb0cfcc, 0x1f1abc4f, 0x7c29cb20, 0x215ef677, 0x7b92c8eb, 0x23b6a867, 0x7aeab4ec, + 0x2620b8ec, 0x7a3081d0, 0x289beef5, 0x79632c5a, 0x2b26f30b, 0x7881be95, 0x2dc0511f, 0x778b5304, + 0x30667aa2, 0x767f17c0, 0x3317c8dd, 0x755c5178, 0x35d27f98, 0x74225e50, 0x3894cff3, 0x72d0b887, + 0x3b5cdb7b, 0x7166f8e7, 0x3e28b770, 0x6fe4d8e8, 0x40f6702a, 0x6e4a3491, 0x43c40caa, 0x6c970bfc, + 0x468f9231, 0x6acb8483, 0x495707f5, 0x68e7e994, 0x4c187ac7, 0x66ecad1c, 0x4ed200c5, 0x64da6797, + 0x5181bcea, 0x62b1d7b7, 0x5425e28e, 0x6073e1ae, 0x56bcb8c2, 0x5e218e16, 0x59449d76, 0x5bbc0875, + /* 1024 - format = Q31 * 2^0 */ + 0x0009962f, 0x7fffffa4, 0x000e16fb, 0x7fffff39, 0x0011ea65, 0x7ffffebf, 0x0015750e, 0x7ffffe34, + 0x0018dc74, 0x7ffffd96, 0x001c332e, 0x7ffffce5, 0x001f83f5, 0x7ffffc1f, 0x0022d59a, 0x7ffffb43, + 0x00262cc2, 0x7ffffa4f, 0x00298cc4, 0x7ffff942, 0x002cf81f, 0x7ffff81a, 0x003070c4, 0x7ffff6d6, + 0x0033f840, 0x7ffff573, 0x00378fd9, 0x7ffff3f1, 0x003b38a1, 0x7ffff24d, 0x003ef381, 0x7ffff085, + 0x0042c147, 0x7fffee98, 0x0046a2a8, 0x7fffec83, 0x004a9847, 0x7fffea44, 0x004ea2b7, 0x7fffe7d8, + 0x0052c283, 0x7fffe53f, 0x0056f829, 0x7fffe274, 0x005b4422, 0x7fffdf76, 0x005fa6dd, 0x7fffdc43, + 0x006420c8, 0x7fffd8d6, 0x0068b249, 0x7fffd52f, 0x006d5bc4, 0x7fffd149, 0x00721d9a, 0x7fffcd22, + 0x0076f828, 0x7fffc8b6, 0x007bebca, 0x7fffc404, 0x0080f8d9, 0x7fffbf06, 0x00861fae, 0x7fffb9bb, + 0x008b609e, 0x7fffb41e, 0x0090bbff, 0x7fffae2c, 0x00963224, 0x7fffa7e1, 0x009bc362, 0x7fffa13a, + 0x00a17009, 0x7fff9a32, 0x00a7386c, 0x7fff92c5, 0x00ad1cdc, 0x7fff8af0, 0x00b31da8, 0x7fff82ad, + 0x00b93b21, 0x7fff79f9, 0x00bf7596, 0x7fff70cf, 0x00c5cd57, 0x7fff672a, 0x00cc42b1, 0x7fff5d05, + 0x00d2d5f3, 0x7fff525c, 0x00d9876c, 0x7fff4729, 0x00e05769, 0x7fff3b66, 0x00e74638, 0x7fff2f10, + 0x00ee5426, 0x7fff221f, 0x00f58182, 0x7fff148e, 0x00fcce97, 0x7fff0658, 0x01043bb3, 0x7ffef776, + 0x010bc923, 0x7ffee7e2, 0x01137733, 0x7ffed795, 0x011b4631, 0x7ffec68a, 0x01233669, 0x7ffeb4ba, + 0x012b4827, 0x7ffea21d, 0x01337bb8, 0x7ffe8eac, 0x013bd167, 0x7ffe7a61, 0x01444982, 0x7ffe6533, + 0x014ce454, 0x7ffe4f1c, 0x0155a229, 0x7ffe3813, 0x015e834d, 0x7ffe2011, 0x0167880c, 0x7ffe070d, + 0x0170b0b2, 0x7ffdecff, 0x0179fd8b, 0x7ffdd1df, 0x01836ee1, 0x7ffdb5a2, 0x018d0500, 0x7ffd9842, + 0x0196c035, 0x7ffd79b3, 0x01a0a0ca, 0x7ffd59ee, 0x01aaa70a, 0x7ffd38e8, 0x01b4d341, 0x7ffd1697, + 0x01bf25b9, 0x7ffcf2f2, 0x01c99ebd, 0x7ffccdee, 0x01d43e99, 0x7ffca780, 0x01df0597, 0x7ffc7f9e, + 0x01e9f401, 0x7ffc563d, 0x01f50a22, 0x7ffc2b51, 0x02004844, 0x7ffbfecf, 0x020baeb1, 0x7ffbd0ab, + 0x02173db4, 0x7ffba0da, 0x0222f596, 0x7ffb6f4f, 0x022ed6a1, 0x7ffb3bfd, 0x023ae11f, 0x7ffb06d8, + 0x02471558, 0x7ffacfd3, 0x02537397, 0x7ffa96e0, 0x025ffc25, 0x7ffa5bf2, 0x026caf4a, 0x7ffa1efc, + 0x02798d4f, 0x7ff9dfee, 0x0286967c, 0x7ff99ebb, 0x0293cb1b, 0x7ff95b55, 0x02a12b72, 0x7ff915ab, + 0x02aeb7cb, 0x7ff8cdaf, 0x02bc706d, 0x7ff88351, 0x02ca559f, 0x7ff83682, 0x02d867a9, 0x7ff7e731, + 0x02e6a6d2, 0x7ff7954e, 0x02f51361, 0x7ff740c8, 0x0303ad9c, 0x7ff6e98e, 0x031275ca, 0x7ff68f8f, + 0x03216c30, 0x7ff632ba, 0x03309116, 0x7ff5d2fb, 0x033fe4bf, 0x7ff57042, 0x034f6773, 0x7ff50a7a, + 0x035f1975, 0x7ff4a192, 0x036efb0a, 0x7ff43576, 0x037f0c78, 0x7ff3c612, 0x038f4e02, 0x7ff35353, + 0x039fbfeb, 0x7ff2dd24, 0x03b06279, 0x7ff26370, 0x03c135ed, 0x7ff1e623, 0x03d23a8b, 0x7ff16527, + 0x03e37095, 0x7ff0e067, 0x03f4d84e, 0x7ff057cc, 0x040671f7, 0x7fefcb40, 0x04183dd3, 0x7fef3aad, + 0x042a3c22, 0x7feea5fa, 0x043c6d25, 0x7fee0d11, 0x044ed11d, 0x7fed6fda, 0x04616849, 0x7fecce3d, + 0x047432eb, 0x7fec2821, 0x04873140, 0x7feb7d6c, 0x049a6388, 0x7feace07, 0x04adca01, 0x7fea19d6, + 0x04c164ea, 0x7fe960c0, 0x04d53481, 0x7fe8a2aa, 0x04e93902, 0x7fe7df79, 0x04fd72aa, 0x7fe71712, + 0x0511e1b6, 0x7fe6495a, 0x05268663, 0x7fe57634, 0x053b60eb, 0x7fe49d83, 0x05507189, 0x7fe3bf2b, + 0x0565b879, 0x7fe2db0f, 0x057b35f4, 0x7fe1f110, 0x0590ea35, 0x7fe10111, 0x05a6d574, 0x7fe00af3, + 0x05bcf7ea, 0x7fdf0e97, 0x05d351cf, 0x7fde0bdd, 0x05e9e35c, 0x7fdd02a6, 0x0600acc8, 0x7fdbf2d2, + 0x0617ae48, 0x7fdadc40, 0x062ee814, 0x7fd9becf, 0x06465a62, 0x7fd89a5e, 0x065e0565, 0x7fd76eca, + 0x0675e954, 0x7fd63bf1, 0x068e0662, 0x7fd501b0, 0x06a65cc3, 0x7fd3bfe4, 0x06beecaa, 0x7fd2766a, + 0x06d7b648, 0x7fd1251e, 0x06f0b9d1, 0x7fcfcbda, 0x0709f775, 0x7fce6a7a, 0x07236f65, 0x7fcd00d8, + 0x073d21d2, 0x7fcb8ecf, 0x07570eea, 0x7fca1439, 0x077136dd, 0x7fc890ed, 0x078b99da, 0x7fc704c7, + 0x07a6380d, 0x7fc56f9d, 0x07c111a4, 0x7fc3d147, 0x07dc26cc, 0x7fc2299e, 0x07f777b1, 0x7fc07878, + 0x0813047d, 0x7fbebdac, 0x082ecd5b, 0x7fbcf90f, 0x084ad276, 0x7fbb2a78, 0x086713f7, 0x7fb951bc, + 0x08839206, 0x7fb76eaf, 0x08a04ccb, 0x7fb58126, 0x08bd446e, 0x7fb388f4, 0x08da7915, 0x7fb185ee, + 0x08f7eae7, 0x7faf77e5, 0x09159a09, 0x7fad5ead, 0x0933869f, 0x7fab3a17, 0x0951b0cd, 0x7fa909f6, + 0x097018b7, 0x7fa6ce1a, 0x098ebe7f, 0x7fa48653, 0x09ada248, 0x7fa23273, 0x09ccc431, 0x7f9fd249, + 0x09ec245b, 0x7f9d65a4, 0x0a0bc2e7, 0x7f9aec53, 0x0a2b9ff3, 0x7f986625, 0x0a4bbb9e, 0x7f95d2e7, + 0x0a6c1604, 0x7f933267, 0x0a8caf43, 0x7f908472, 0x0aad8776, 0x7f8dc8d5, 0x0ace9eb9, 0x7f8aff5c, + 0x0aeff526, 0x7f8827d3, 0x0b118ad8, 0x7f854204, 0x0b335fe6, 0x7f824dbb, 0x0b557469, 0x7f7f4ac3, + 0x0b77c879, 0x7f7c38e4, 0x0b9a5c2b, 0x7f7917e9, 0x0bbd2f97, 0x7f75e79b, 0x0be042d0, 0x7f72a7c3, + 0x0c0395ec, 0x7f6f5828, 0x0c2728fd, 0x7f6bf892, 0x0c4afc16, 0x7f6888c9, 0x0c6f0f4a, 0x7f650894, + 0x0c9362a8, 0x7f6177b9, 0x0cb7f642, 0x7f5dd5ff, 0x0cdcca26, 0x7f5a232a, 0x0d01de63, 0x7f565f00, + 0x0d273307, 0x7f528947, 0x0d4cc81f, 0x7f4ea1c2, 0x0d729db7, 0x7f4aa835, 0x0d98b3da, 0x7f469c65, + 0x0dbf0a92, 0x7f427e13, 0x0de5a1e9, 0x7f3e4d04, 0x0e0c79e7, 0x7f3a08f9, 0x0e339295, 0x7f35b1b4, + 0x0e5aebfa, 0x7f3146f8, 0x0e82861a, 0x7f2cc884, 0x0eaa60fd, 0x7f28361b, 0x0ed27ca5, 0x7f238f7c, + 0x0efad917, 0x7f1ed467, 0x0f237656, 0x7f1a049d, 0x0f4c5462, 0x7f151fdc, 0x0f75733d, 0x7f1025e3, + 0x0f9ed2e6, 0x7f0b1672, 0x0fc8735e, 0x7f05f146, 0x0ff254a1, 0x7f00b61d, 0x101c76ae, 0x7efb64b4, + 0x1046d981, 0x7ef5fcca, 0x10717d15, 0x7ef07e19, 0x109c6165, 0x7eeae860, 0x10c7866a, 0x7ee53b5b, + 0x10f2ec1e, 0x7edf76c4, 0x111e9279, 0x7ed99a58, 0x114a7971, 0x7ed3a5d1, 0x1176a0fc, 0x7ecd98eb, + 0x11a30910, 0x7ec77360, 0x11cfb1a1, 0x7ec134eb, 0x11fc9aa2, 0x7ebadd44, 0x1229c406, 0x7eb46c27, + 0x12572dbf, 0x7eade14c, 0x1284d7bc, 0x7ea73c6c, 0x12b2c1ed, 0x7ea07d41, 0x12e0ec42, 0x7e99a382, + 0x130f56a8, 0x7e92aee7, 0x133e010b, 0x7e8b9f2a, 0x136ceb59, 0x7e847402, 0x139c157b, 0x7e7d2d25, + 0x13cb7f5d, 0x7e75ca4c, 0x13fb28e6, 0x7e6e4b2d, 0x142b1200, 0x7e66af7f, 0x145b3a92, 0x7e5ef6f8, + 0x148ba281, 0x7e572150, 0x14bc49b4, 0x7e4f2e3b, 0x14ed300f, 0x7e471d70, 0x151e5575, 0x7e3eeea5, + 0x154fb9c9, 0x7e36a18e, 0x15815ced, 0x7e2e35e2, 0x15b33ec1, 0x7e25ab56, 0x15e55f25, 0x7e1d019e, + 0x1617bdf9, 0x7e14386e, 0x164a5b19, 0x7e0b4f7d, 0x167d3662, 0x7e02467e, 0x16b04fb2, 0x7df91d25, + 0x16e3a6e2, 0x7defd327, 0x17173bce, 0x7de66837, 0x174b0e4d, 0x7ddcdc0a, 0x177f1e39, 0x7dd32e53, + 0x17b36b69, 0x7dc95ec6, 0x17e7f5b3, 0x7dbf6d17, 0x181cbcec, 0x7db558f9, 0x1851c0e9, 0x7dab221f, + 0x1887017d, 0x7da0c83c, 0x18bc7e7c, 0x7d964b05, 0x18f237b6, 0x7d8baa2b, 0x19282cfd, 0x7d80e563, + 0x195e5e20, 0x7d75fc5e, 0x1994caee, 0x7d6aeed0, 0x19cb7335, 0x7d5fbc6d, 0x1a0256c2, 0x7d5464e6, + 0x1a397561, 0x7d48e7ef, 0x1a70cede, 0x7d3d453b, 0x1aa86301, 0x7d317c7c, 0x1ae03195, 0x7d258d65, + 0x1b183a63, 0x7d1977aa, 0x1b507d30, 0x7d0d3afc, 0x1b88f9c5, 0x7d00d710, 0x1bc1afe6, 0x7cf44b97, + 0x1bfa9f58, 0x7ce79846, 0x1c33c7e0, 0x7cdabcce, 0x1c6d293f, 0x7ccdb8e4, 0x1ca6c337, 0x7cc08c39, + 0x1ce0958a, 0x7cb33682, 0x1d1a9ff8, 0x7ca5b772, 0x1d54e240, 0x7c980ebd, 0x1d8f5c21, 0x7c8a3c14, + 0x1dca0d56, 0x7c7c3f2e, 0x1e04f59f, 0x7c6e17bc, 0x1e4014b4, 0x7c5fc573, 0x1e7b6a53, 0x7c514807, + 0x1eb6f633, 0x7c429f2c, 0x1ef2b80f, 0x7c33ca96, 0x1f2eaf9e, 0x7c24c9fa, 0x1f6adc98, 0x7c159d0d, + 0x1fa73eb2, 0x7c064383, 0x1fe3d5a3, 0x7bf6bd11, 0x2020a11e, 0x7be7096c, 0x205da0d8, 0x7bd7284a, + 0x209ad483, 0x7bc71960, 0x20d83bd1, 0x7bb6dc65, 0x2115d674, 0x7ba6710d, 0x2153a41b, 0x7b95d710, + 0x2191a476, 0x7b850e24, 0x21cfd734, 0x7b7415ff, 0x220e3c02, 0x7b62ee59, 0x224cd28d, 0x7b5196e9, + 0x228b9a82, 0x7b400f67, 0x22ca938a, 0x7b2e578a, 0x2309bd52, 0x7b1c6f0b, 0x23491783, 0x7b0a55a1, + 0x2388a1c4, 0x7af80b07, 0x23c85bbf, 0x7ae58ef5, 0x2408451a, 0x7ad2e124, 0x24485d7c, 0x7ac0014e, + 0x2488a48a, 0x7aacef2e, 0x24c919e9, 0x7a99aa7e, 0x2509bd3d, 0x7a8632f8, 0x254a8e29, 0x7a728858, + 0x258b8c50, 0x7a5eaa5a, 0x25ccb753, 0x7a4a98b9, 0x260e0ed3, 0x7a365333, 0x264f9271, 0x7a21d983, + 0x269141cb, 0x7a0d2b68, 0x26d31c80, 0x79f8489e, 0x2715222f, 0x79e330e4, 0x27575273, 0x79cde3f8, + 0x2799acea, 0x79b8619a, 0x27dc3130, 0x79a2a989, 0x281ededf, 0x798cbb85, 0x2861b591, 0x7976974e, + 0x28a4b4e0, 0x79603ca5, 0x28e7dc65, 0x7949ab4c, 0x292b2bb8, 0x7932e304, 0x296ea270, 0x791be390, + 0x29b24024, 0x7904acb3, 0x29f6046b, 0x78ed3e30, 0x2a39eed8, 0x78d597cc, 0x2a7dff02, 0x78bdb94a, + 0x2ac2347c, 0x78a5a270, 0x2b068eda, 0x788d5304, 0x2b4b0dae, 0x7874cacb, 0x2b8fb08a, 0x785c098d, + 0x2bd47700, 0x78430f11, 0x2c1960a1, 0x7829db1f, 0x2c5e6cfd, 0x78106d7f, 0x2ca39ba3, 0x77f6c5fb, + 0x2ce8ec23, 0x77dce45c, 0x2d2e5e0b, 0x77c2c86e, 0x2d73f0e8, 0x77a871fa, 0x2db9a449, 0x778de0cd, + 0x2dff77b8, 0x777314b2, 0x2e456ac4, 0x77580d78, 0x2e8b7cf6, 0x773ccaeb, 0x2ed1addb, 0x77214cdb, + 0x2f17fcfb, 0x77059315, 0x2f5e69e2, 0x76e99d69, 0x2fa4f419, 0x76cd6ba9, 0x2feb9b27, 0x76b0fda4, + 0x30325e96, 0x7694532e, 0x30793dee, 0x76776c17, 0x30c038b5, 0x765a4834, 0x31074e72, 0x763ce759, + 0x314e7eab, 0x761f4959, 0x3195c8e6, 0x76016e0b, 0x31dd2ca9, 0x75e35545, 0x3224a979, 0x75c4fedc, + 0x326c3ed8, 0x75a66aab, 0x32b3ec4d, 0x75879887, 0x32fbb159, 0x7568884b, 0x33438d81, 0x754939d1, + 0x338b8045, 0x7529acf4, 0x33d3892a, 0x7509e18e, 0x341ba7b1, 0x74e9d77d, 0x3463db5a, 0x74c98e9e, + 0x34ac23a7, 0x74a906cd, 0x34f48019, 0x74883fec, 0x353cf02f, 0x746739d8, 0x3585736a, 0x7445f472, + 0x35ce0949, 0x74246f9c, 0x3616b14c, 0x7402ab37, 0x365f6af0, 0x73e0a727, 0x36a835b5, 0x73be6350, + 0x36f11118, 0x739bdf95, 0x3739fc98, 0x73791bdd, 0x3782f7b2, 0x7356180e, 0x37cc01e3, 0x7332d410, + 0x38151aa8, 0x730f4fc9, 0x385e417e, 0x72eb8b24, 0x38a775e1, 0x72c7860a, 0x38f0b74d, 0x72a34066, + 0x393a053e, 0x727eba24, 0x39835f30, 0x7259f331, 0x39ccc49e, 0x7234eb79, 0x3a163503, 0x720fa2eb, + 0x3a5fafda, 0x71ea1977, 0x3aa9349e, 0x71c44f0c, 0x3af2c2ca, 0x719e439d, 0x3b3c59d7, 0x7177f71a, + 0x3b85f940, 0x71516978, 0x3bcfa07e, 0x712a9aaa, 0x3c194f0d, 0x71038aa4, 0x3c630464, 0x70dc395e, + 0x3cacbfff, 0x70b4a6cd, 0x3cf68155, 0x708cd2e9, 0x3d4047e1, 0x7064bdab, 0x3d8a131c, 0x703c670d, + 0x3dd3e27e, 0x7013cf0a, 0x3e1db580, 0x6feaf59c, 0x3e678b9b, 0x6fc1dac1, 0x3eb16449, 0x6f987e76, + 0x3efb3f01, 0x6f6ee0b9, 0x3f451b3d, 0x6f45018b, 0x3f8ef874, 0x6f1ae0eb, 0x3fd8d620, 0x6ef07edb, + 0x4022b3b9, 0x6ec5db5d, 0x406c90b7, 0x6e9af675, 0x40b66c93, 0x6e6fd027, 0x410046c5, 0x6e446879, + 0x414a1ec6, 0x6e18bf71, 0x4193f40d, 0x6decd517, 0x41ddc615, 0x6dc0a972, 0x42279455, 0x6d943c8d, + 0x42715e45, 0x6d678e71, 0x42bb235f, 0x6d3a9f2a, 0x4304e31a, 0x6d0d6ec5, 0x434e9cf1, 0x6cdffd4f, + 0x4398505b, 0x6cb24ad6, 0x43e1fcd1, 0x6c84576b, 0x442ba1cd, 0x6c56231c, 0x44753ec7, 0x6c27adfd, + 0x44bed33a, 0x6bf8f81e, 0x45085e9d, 0x6bca0195, 0x4551e06b, 0x6b9aca75, 0x459b581e, 0x6b6b52d5, + 0x45e4c52f, 0x6b3b9ac9, 0x462e2717, 0x6b0ba26b, 0x46777d52, 0x6adb69d3, 0x46c0c75a, 0x6aaaf11b, + 0x470a04a9, 0x6a7a385c, 0x475334b9, 0x6a493fb3, 0x479c5707, 0x6a18073d, 0x47e56b0c, 0x69e68f17, + 0x482e7045, 0x69b4d761, 0x4877662c, 0x6982e039, 0x48c04c3f, 0x6950a9c0, 0x490921f8, 0x691e341a, + 0x4951e6d5, 0x68eb7f67, 0x499a9a51, 0x68b88bcd, 0x49e33beb, 0x68855970, 0x4a2bcb1f, 0x6851e875, + 0x4a74476b, 0x681e3905, 0x4abcb04c, 0x67ea4b47, 0x4b050541, 0x67b61f63, 0x4b4d45c9, 0x6781b585, + 0x4b957162, 0x674d0dd6, 0x4bdd878c, 0x67182883, 0x4c2587c6, 0x66e305b8, 0x4c6d7190, 0x66ada5a5, + 0x4cb5446a, 0x66780878, 0x4cfcffd5, 0x66422e60, 0x4d44a353, 0x660c1790, 0x4d8c2e64, 0x65d5c439, + 0x4dd3a08c, 0x659f348e, 0x4e1af94b, 0x656868c3, 0x4e623825, 0x6531610d, 0x4ea95c9d, 0x64fa1da3, + 0x4ef06637, 0x64c29ebb, 0x4f375477, 0x648ae48d, 0x4f7e26e1, 0x6452ef53, 0x4fc4dcfb, 0x641abf46, + 0x500b7649, 0x63e254a2, 0x5051f253, 0x63a9afa2, 0x5098509f, 0x6370d083, 0x50de90b3, 0x6337b784, + 0x5124b218, 0x62fe64e3, 0x516ab455, 0x62c4d8e0, 0x51b096f3, 0x628b13bc, 0x51f6597b, 0x625115b8, + 0x523bfb78, 0x6216df18, 0x52817c72, 0x61dc701f, 0x52c6dbf5, 0x61a1c912, 0x530c198d, 0x6166ea36, + 0x535134c5, 0x612bd3d2, 0x53962d2a, 0x60f0862d, 0x53db024a, 0x60b50190, 0x541fb3b1, 0x60794644, + 0x546440ef, 0x603d5494, 0x54a8a992, 0x60012cca, 0x54eced2b, 0x5fc4cf33, 0x55310b48, 0x5f883c1c, + 0x5575037c, 0x5f4b73d2, 0x55b8d558, 0x5f0e76a5, 0x55fc806f, 0x5ed144e5, 0x56400452, 0x5e93dee1, + 0x56836096, 0x5e5644ec, 0x56c694cf, 0x5e187757, 0x5709a092, 0x5dda7677, 0x574c8374, 0x5d9c429f, + 0x578f3d0d, 0x5d5ddc24, 0x57d1ccf2, 0x5d1f435d, 0x581432bd, 0x5ce078a0, 0x58566e04, 0x5ca17c45, + 0x58987e63, 0x5c624ea4, 0x58da6372, 0x5c22f016, 0x591c1ccc, 0x5be360f6, 0x595daa0d, 0x5ba3a19f, + 0x599f0ad1, 0x5b63b26c, 0x59e03eb6, 0x5b2393ba, 0x5a214558, 0x5ae345e7, 0x5a621e56, 0x5aa2c951, +}; + + + +/* bit reverse tables for FFT */ + +const int bitrevtabOffset[NUM_IMDCT_SIZES] = {0, 17}; + +const unsigned char bitrevtab[17 + 129] = { + /* nfft = 64 */ + 0x01, 0x08, 0x02, 0x04, 0x03, 0x0c, 0x05, 0x0a, 0x07, 0x0e, 0x0b, 0x0d, 0x00, 0x06, 0x09, 0x0f, + 0x00, + + /* nfft = 512 */ + 0x01, 0x40, 0x02, 0x20, 0x03, 0x60, 0x04, 0x10, 0x05, 0x50, 0x06, 0x30, 0x07, 0x70, 0x09, 0x48, + 0x0a, 0x28, 0x0b, 0x68, 0x0c, 0x18, 0x0d, 0x58, 0x0e, 0x38, 0x0f, 0x78, 0x11, 0x44, 0x12, 0x24, + 0x13, 0x64, 0x15, 0x54, 0x16, 0x34, 0x17, 0x74, 0x19, 0x4c, 0x1a, 0x2c, 0x1b, 0x6c, 0x1d, 0x5c, + 0x1e, 0x3c, 0x1f, 0x7c, 0x21, 0x42, 0x23, 0x62, 0x25, 0x52, 0x26, 0x32, 0x27, 0x72, 0x29, 0x4a, + 0x2b, 0x6a, 0x2d, 0x5a, 0x2e, 0x3a, 0x2f, 0x7a, 0x31, 0x46, 0x33, 0x66, 0x35, 0x56, 0x37, 0x76, + 0x39, 0x4e, 0x3b, 0x6e, 0x3d, 0x5e, 0x3f, 0x7e, 0x43, 0x61, 0x45, 0x51, 0x47, 0x71, 0x4b, 0x69, + 0x4d, 0x59, 0x4f, 0x79, 0x53, 0x65, 0x57, 0x75, 0x5b, 0x6d, 0x5f, 0x7d, 0x67, 0x73, 0x6f, 0x7b, + 0x00, 0x08, 0x14, 0x1c, 0x22, 0x2a, 0x36, 0x3e, 0x41, 0x49, 0x55, 0x5d, 0x63, 0x6b, 0x77, 0x7f, + 0x00, + +}; + +const unsigned char uniqueIDTab[8] = {0x5f, 0x4b, 0x43, 0x5f, 0x5f, 0x4a, 0x52, 0x5f}; + +/* Twiddle tables for FFT + * format = Q30 + * + * for (k = 4; k <= N/4; k <<= 1) { + * for (j = 0; j < k; j++) { + * double wr1, wi1, wr2, wi2, wr3, wi3; + * + * wr1 = cos(1.0 * M_PI * j / (2*k)); + * wi1 = sin(1.0 * M_PI * j / (2*k)); + * wr1 = (wr1 + wi1); + * wi1 = -wi1; + * + * wr2 = cos(2.0 * M_PI * j / (2*k)); + * wi2 = sin(2.0 * M_PI * j / (2*k)); + * wr2 = (wr2 + wi2); + * wi2 = -wi2; + * + * wr3 = cos(3.0 * M_PI * j / (2*k)); + * wi3 = sin(3.0 * M_PI * j / (2*k)); + * wr3 = (wr3 + wi3); + * wi3 = -wi3; + * + * if (k & 0xaaaaaaaa) { + * w_odd[iodd++] = (float)wr2; + * w_odd[iodd++] = (float)wi2; + * w_odd[iodd++] = (float)wr1; + * w_odd[iodd++] = (float)wi1; + * w_odd[iodd++] = (float)wr3; + * w_odd[iodd++] = (float)wi3; + * } else { + * w_even[ieven++] = (float)wr2; + * w_even[ieven++] = (float)wi2; + * w_even[ieven++] = (float)wr1; + * w_even[ieven++] = (float)wi1; + * w_even[ieven++] = (float)wr3; + * w_even[ieven++] = (float)wi3; + * } + * } + * } + */ +const int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6] = { + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x539eba45, 0xe7821d59, + 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, + 0x539eba45, 0xc4df2862, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x22a2f4f8, 0xc4df2862, + 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, + 0xac6145bb, 0x187de2a7, 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x45f704f7, 0xf9ba1651, + 0x43103085, 0xfcdc1342, 0x48b2b335, 0xf69bf7c9, 0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, + 0x4fd288dc, 0xed6bf9d1, 0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, 0x553805f2, 0xe4a2eff6, + 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x569cc31b, 0xe1d4a2c8, + 0x4da1fab5, 0xf0730342, 0x5a6690ae, 0xd5052d97, 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, + 0x5a12e720, 0xce86ff2a, 0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, 0x57cc15bc, 0xc91af976, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a12e720, 0xce86ff2a, + 0x553805f2, 0xe4a2eff6, 0x4da1fab5, 0xc1eb0209, 0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, + 0x45f704f7, 0xc04ee4b8, 0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, 0x3cc85709, 0xc013bc39, + 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x4fd288dc, 0xc2c17d52, + 0x5987b08a, 0xd9e01006, 0x26b2a794, 0xc3bdbdf6, 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, + 0x1a4608ab, 0xc78e9a1d, 0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, 0x0d47d096, 0xcc983f70, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x396b3199, 0xc04ee4b8, + 0x5a6690ae, 0xd09441bb, 0xf2b82f6a, 0xd9e01006, 0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, + 0xe5b9f755, 0xe1d4a2c8, 0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, 0xd94d586c, 0xea70658a, + 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x1a4608ab, 0xc78e9a1d, + 0x57cc15bc, 0xc91af976, 0xc337a8f7, 0xfcdc1342, 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, + 0xba08fb09, 0x0645e9af, 0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, 0xb25e054b, 0x0f8cfcbe, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xf720e574, 0xd76619b6, + 0x51d1dc80, 0xc3bdbdf6, 0xa833ea44, 0x20e70f32, 0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, + 0xa5ed18e0, 0x2899e64a, 0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, 0xa5996f52, 0x2f6bbe45, + 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 0xd5558381, 0xed6bf9d1, + 0x48b2b335, 0xc0b15502, 0xaac7fa0e, 0x39daf5e8, 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, + 0xb02d7724, 0x3d3e82ae, 0xc694ce67, 0xf9ba1651, 0x43103085, 0xc013bc39, 0xb74d4ccb, 0x3f4eaafe, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x418d2621, 0xfe6deaa1, + 0x40c7d2bd, 0xff36f170, 0x424ff28f, 0xfda4f351, 0x43103085, 0xfcdc1342, 0x418d2621, 0xfe6deaa1, + 0x4488e37f, 0xfb4ab7db, 0x4488e37f, 0xfb4ab7db, 0x424ff28f, 0xfda4f351, 0x46aa0d6d, 0xf8f21e8e, + 0x45f704f7, 0xf9ba1651, 0x43103085, 0xfcdc1342, 0x48b2b335, 0xf69bf7c9, 0x475a5c77, 0xf82a6c6a, + 0x43cdd89a, 0xfc135231, 0x4aa22036, 0xf4491311, 0x48b2b335, 0xf69bf7c9, 0x4488e37f, 0xfb4ab7db, + 0x4c77a88e, 0xf1fa3ecb, 0x49ffd417, 0xf50ef5de, 0x454149fc, 0xfa824bfd, 0x4e32a956, 0xefb047f2, + 0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, 0x4fd288dc, 0xed6bf9d1, 0x4c77a88e, 0xf1fa3ecb, + 0x46aa0d6d, 0xf8f21e8e, 0x5156b6d9, 0xeb2e1dbe, 0x4da1fab5, 0xf0730342, 0x475a5c77, 0xf82a6c6a, + 0x52beac9f, 0xe8f77acf, 0x4ec05432, 0xeeee2d9d, 0x4807eb4b, 0xf7630799, 0x5409ed4b, 0xe6c8d59c, + 0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, 0x553805f2, 0xe4a2eff6, 0x50d86e6d, 0xebeca36c, + 0x495aada2, 0xf5d544a7, 0x56488dc5, 0xe28688a4, 0x51d1dc80, 0xea70658a, 0x49ffd417, 0xf50ef5de, + 0x573b2635, 0xe0745b24, 0x52beac9f, 0xe8f77acf, 0x4aa22036, 0xf4491311, 0x580f7b19, 0xde6d1f65, + 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x5471e2e6, 0xe61086bc, + 0x4bde1089, 0xf2beafed, 0x595c3e2a, 0xda8249b4, 0x553805f2, 0xe4a2eff6, 0x4c77a88e, 0xf1fa3ecb, + 0x59d438e5, 0xd8a00bae, 0x55f104dc, 0xe3399167, 0x4d0e4de2, 0xf136580d, 0x5a2d0957, 0xd6cb76c9, + 0x569cc31b, 0xe1d4a2c8, 0x4da1fab5, 0xf0730342, 0x5a6690ae, 0xd5052d97, 0x573b2635, 0xe0745b24, + 0x4e32a956, 0xefb047f2, 0x5a80baf6, 0xd34dcdb4, 0x57cc15bc, 0xdf18f0ce, 0x4ec05432, 0xeeee2d9d, + 0x5a7b7f1a, 0xd1a5ef90, 0x584f7b58, 0xddc29958, 0x4f4af5d1, 0xee2cbbc1, 0x5a56deec, 0xd00e2639, + 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 0x5a12e720, 0xce86ff2a, 0x592d59da, 0xdb25f566, + 0x50570819, 0xecabef3d, 0x59afaf4c, 0xcd110216, 0x5987b08a, 0xd9e01006, 0x50d86e6d, 0xebeca36c, + 0x592d59da, 0xcbacb0bf, 0x59d438e5, 0xd8a00bae, 0x5156b6d9, 0xeb2e1dbe, 0x588c1404, 0xca5a86c4, + 0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, 0x57cc15bc, 0xc91af976, 0x5a43b190, 0xd6326a88, + 0x5249daa2, 0xe9b38223, 0x56eda1a0, 0xc7ee77b3, 0x5a6690ae, 0xd5052d97, 0x52beac9f, 0xe8f77acf, + 0x55f104dc, 0xc6d569be, 0x5a7b7f1a, 0xd3de9156, 0x53304df6, 0xe83c56cf, 0x54d69714, 0xc5d03118, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a7b7f1a, 0xd1a5ef90, + 0x5409ed4b, 0xe6c8d59c, 0x5249daa2, 0xc402a33c, 0x5a6690ae, 0xd09441bb, 0x5471e2e6, 0xe61086bc, + 0x50d86e6d, 0xc33aee27, 0x5a43b190, 0xcf89e3e8, 0x54d69714, 0xe55937d5, 0x4f4af5d1, 0xc2884e6e, + 0x5a12e720, 0xce86ff2a, 0x553805f2, 0xe4a2eff6, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xcd8bbb6d, + 0x55962bc0, 0xe3edb628, 0x4bde1089, 0xc1633f8a, 0x5987b08a, 0xcc983f70, 0x55f104dc, 0xe3399167, + 0x49ffd417, 0xc0f1360b, 0x592d59da, 0xcbacb0bf, 0x56488dc5, 0xe28688a4, 0x4807eb4b, 0xc0950d1d, + 0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, 0x45f704f7, 0xc04ee4b8, 0x584f7b58, 0xc9edeb50, + 0x56eda1a0, 0xe123e6ad, 0x43cdd89a, 0xc01ed535, 0x57cc15bc, 0xc91af976, 0x573b2635, 0xe0745b24, + 0x418d2621, 0xc004ef3f, 0x573b2635, 0xc8507ea7, 0x57854ddd, 0xdfc606f1, 0x3f35b59d, 0xc0013bd3, + 0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, 0x3cc85709, 0xc013bc39, 0x55f104dc, 0xc6d569be, + 0x580f7b19, 0xde6d1f65, 0x3a45e1f7, 0xc03c6a07, 0x553805f2, 0xc6250a18, 0x584f7b58, 0xddc29958, + 0x37af354c, 0xc07b371e, 0x5471e2e6, 0xc57d965d, 0x588c1404, 0xdd196538, 0x350536f1, 0xc0d00db6, + 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x52beac9f, 0xc449d892, + 0x58fb0568, 0xdbcb0cce, 0x2f7afdfc, 0xc1bb5a11, 0x51d1dc80, 0xc3bdbdf6, 0x592d59da, 0xdb25f566, + 0x2c9caf6c, 0xc2517e31, 0x50d86e6d, 0xc33aee27, 0x595c3e2a, 0xda8249b4, 0x29aee694, 0xc2fd08a9, + 0x4fd288dc, 0xc2c17d52, 0x5987b08a, 0xd9e01006, 0x26b2a794, 0xc3bdbdf6, 0x4ec05432, 0xc2517e31, + 0x59afaf4c, 0xd93f4e9e, 0x23a8fb93, 0xc4935b3c, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xd8a00bae, + 0x2092f05f, 0xc57d965d, 0x4c77a88e, 0xc18e18a7, 0x59f54bee, 0xd8024d59, 0x1d719810, 0xc67c1e18, + 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 0x1a4608ab, 0xc78e9a1d, 0x49ffd417, 0xc0f1360b, + 0x5a2d0957, 0xd6cb76c9, 0x17115bc0, 0xc8b4ab32, 0x48b2b335, 0xc0b15502, 0x5a43b190, 0xd6326a88, + 0x13d4ae08, 0xc9edeb50, 0x475a5c77, 0xc07b371e, 0x5a56deec, 0xd59afadb, 0x10911f04, 0xcb39edca, + 0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, 0x0d47d096, 0xcc983f70, 0x4488e37f, 0xc02c64a6, + 0x5a72c63b, 0xd4710883, 0x09f9e6a1, 0xce0866b8, 0x43103085, 0xc013bc39, 0x5a7b7f1a, 0xd3de9156, + 0x06a886a0, 0xcf89e3e8, 0x418d2621, 0xc004ef3f, 0x5a80baf6, 0xd34dcdb4, 0x0354d741, 0xd11c3142, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x3e68fb62, 0xc004ef3f, + 0x5a80baf6, 0xd2317756, 0xfcab28bf, 0xd4710883, 0x3cc85709, 0xc013bc39, 0x5a7b7f1a, 0xd1a5ef90, + 0xf9577960, 0xd6326a88, 0x3b1e5335, 0xc02c64a6, 0x5a72c63b, 0xd11c3142, 0xf606195f, 0xd8024d59, + 0x396b3199, 0xc04ee4b8, 0x5a6690ae, 0xd09441bb, 0xf2b82f6a, 0xd9e01006, 0x37af354c, 0xc07b371e, + 0x5a56deec, 0xd00e2639, 0xef6ee0fc, 0xdbcb0cce, 0x35eaa2c7, 0xc0b15502, 0x5a43b190, 0xcf89e3e8, + 0xec2b51f8, 0xddc29958, 0x341dbfd3, 0xc0f1360b, 0x5a2d0957, 0xcf077fe1, 0xe8eea440, 0xdfc606f1, + 0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, 0xe5b9f755, 0xe1d4a2c8, 0x306c2624, 0xc18e18a7, + 0x59f54bee, 0xce0866b8, 0xe28e67f0, 0xe3edb628, 0x2e88013a, 0xc1eb0209, 0x59d438e5, 0xcd8bbb6d, + 0xdf6d0fa1, 0xe61086bc, 0x2c9caf6c, 0xc2517e31, 0x59afaf4c, 0xcd110216, 0xdc57046d, 0xe83c56cf, + 0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, 0xd94d586c, 0xea70658a, 0x28b1b544, 0xc33aee27, + 0x595c3e2a, 0xcc217822, 0xd651196c, 0xecabef3d, 0x26b2a794, 0xc3bdbdf6, 0x592d59da, 0xcbacb0bf, + 0xd3635094, 0xeeee2d9d, 0x24ada23d, 0xc449d892, 0x58fb0568, 0xcb39edca, 0xd0850204, 0xf136580d, + 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x2092f05f, 0xc57d965d, + 0x588c1404, 0xca5a86c4, 0xcafac90f, 0xf5d544a7, 0x1e7de5df, 0xc6250a18, 0x584f7b58, 0xc9edeb50, + 0xc850cab4, 0xf82a6c6a, 0x1c6427a9, 0xc6d569be, 0x580f7b19, 0xc9836582, 0xc5ba1e09, 0xfa824bfd, + 0x1a4608ab, 0xc78e9a1d, 0x57cc15bc, 0xc91af976, 0xc337a8f7, 0xfcdc1342, 0x1823dc7d, 0xc8507ea7, + 0x57854ddd, 0xc8b4ab32, 0xc0ca4a63, 0xff36f170, 0x15fdf758, 0xc91af976, 0x573b2635, 0xc8507ea7, + 0xbe72d9df, 0x0192155f, 0x13d4ae08, 0xc9edeb50, 0x56eda1a0, 0xc7ee77b3, 0xbc322766, 0x03ecadcf, + 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 0xba08fb09, 0x0645e9af, 0x0f7944a7, 0xcbacb0bf, + 0x56488dc5, 0xc730e997, 0xb7f814b5, 0x089cf867, 0x0d47d096, 0xcc983f70, 0x55f104dc, 0xc6d569be, + 0xb6002be9, 0x0af10a22, 0x0b145041, 0xcd8bbb6d, 0x55962bc0, 0xc67c1e18, 0xb421ef77, 0x0d415013, + 0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, 0xb25e054b, 0x0f8cfcbe, 0x06a886a0, 0xcf89e3e8, + 0x54d69714, 0xc5d03118, 0xb0b50a2f, 0x11d3443f, 0x0470ebdc, 0xd09441bb, 0x5471e2e6, 0xc57d965d, + 0xaf279193, 0x14135c94, 0x0238a1c6, 0xd1a5ef90, 0x5409ed4b, 0xc52d3d18, 0xadb6255e, 0x164c7ddd, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xfdc75e3a, 0xd3de9156, + 0x53304df6, 0xc4935b3c, 0xab2968ec, 0x1aa6c82b, 0xfb8f1424, 0xd5052d97, 0x52beac9f, 0xc449d892, + 0xaa0efb24, 0x1cc66e99, 0xf9577960, 0xd6326a88, 0x5249daa2, 0xc402a33c, 0xa9125e60, 0x1edc1953, + 0xf720e574, 0xd76619b6, 0x51d1dc80, 0xc3bdbdf6, 0xa833ea44, 0x20e70f32, 0xf4ebafbf, 0xd8a00bae, + 0x5156b6d9, 0xc37b2b6a, 0xa773ebfc, 0x22e69ac8, 0xf2b82f6a, 0xd9e01006, 0x50d86e6d, 0xc33aee27, + 0xa6d2a626, 0x24da0a9a, 0xf086bb59, 0xdb25f566, 0x50570819, 0xc2fd08a9, 0xa65050b4, 0x26c0b162, + 0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, 0xa5ed18e0, 0x2899e64a, 0xec2b51f8, 0xddc29958, + 0x4f4af5d1, 0xc2884e6e, 0xa5a92114, 0x2a650525, 0xea0208a8, 0xdf18f0ce, 0x4ec05432, 0xc2517e31, + 0xa58480e6, 0x2c216eaa, 0xe7dc2383, 0xe0745b24, 0x4e32a956, 0xc21d0eb8, 0xa57f450a, 0x2dce88aa, + 0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, 0xa5996f52, 0x2f6bbe45, 0xe39bd857, 0xe3399167, + 0x4d0e4de2, 0xc1bb5a11, 0xa5d2f6a9, 0x30f8801f, 0xe1821a21, 0xe4a2eff6, 0x4c77a88e, 0xc18e18a7, + 0xa62bc71b, 0x32744493, 0xdf6d0fa1, 0xe61086bc, 0x4bde1089, 0xc1633f8a, 0xa6a3c1d6, 0x33de87de, + 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 0xdb525dc3, 0xe8f77acf, + 0x4aa22036, 0xc114ccb9, 0xa7f084e7, 0x367c9a7e, 0xd94d586c, 0xea70658a, 0x49ffd417, 0xc0f1360b, + 0xa8c4d9cb, 0x37af8159, 0xd74e4abc, 0xebeca36c, 0x495aada2, 0xc0d00db6, 0xa9b7723b, 0x38cf1669, + 0xd5558381, 0xed6bf9d1, 0x48b2b335, 0xc0b15502, 0xaac7fa0e, 0x39daf5e8, 0xd3635094, 0xeeee2d9d, + 0x4807eb4b, 0xc0950d1d, 0xabf612b5, 0x3ad2c2e8, 0xd177fec6, 0xf0730342, 0x475a5c77, 0xc07b371e, + 0xad415361, 0x3bb6276e, 0xcf93d9dc, 0xf1fa3ecb, 0x46aa0d6d, 0xc063d405, 0xaea94927, 0x3c84d496, + 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, 0xb02d7724, 0x3d3e82ae, 0xcbe2402d, 0xf50ef5de, + 0x454149fc, 0xc03c6a07, 0xb1cd56aa, 0x3de2f148, 0xca155d39, 0xf69bf7c9, 0x4488e37f, 0xc02c64a6, + 0xb3885772, 0x3e71e759, 0xc850cab4, 0xf82a6c6a, 0x43cdd89a, 0xc01ed535, 0xb55ddfca, 0x3eeb3347, + 0xc694ce67, 0xf9ba1651, 0x43103085, 0xc013bc39, 0xb74d4ccb, 0x3f4eaafe, 0xc4e1accb, 0xfb4ab7db, + 0x424ff28f, 0xc00b1a20, 0xb955f293, 0x3f9c2bfb, 0xc337a8f7, 0xfcdc1342, 0x418d2621, 0xc004ef3f, + 0xbb771c81, 0x3fd39b5a, 0xc197049e, 0xfe6deaa1, 0x40c7d2bd, 0xc0013bd3, 0xbdb00d71, 0x3ff4e5e0, +}; + +const int twidTabEven[4 * 6 + 16 * 6 + 64 * 6] = { + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x5a82799a, 0xd2bec333, + 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, + 0x00000000, 0xd2bec333, 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x4b418bbe, 0xf383a3e2, + 0x45f704f7, 0xf9ba1651, 0x4fd288dc, 0xed6bf9d1, 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, + 0x58c542c5, 0xdc71898d, 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 0x5a12e720, 0xce86ff2a, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xcac933ae, + 0x569cc31b, 0xe1d4a2c8, 0x45f704f7, 0xc04ee4b8, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, + 0x3248d382, 0xc13ad060, 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 0x1a4608ab, 0xc78e9a1d, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x3248d382, 0xc13ad060, + 0x5a12e720, 0xce86ff2a, 0xe5b9f755, 0xe1d4a2c8, 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, + 0xcdb72c7e, 0xf383a3e2, 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 0xba08fb09, 0x0645e9af, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xee57aa21, 0xdc71898d, + 0x4fd288dc, 0xc2c17d52, 0xa5ed18e0, 0x2899e64a, 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, + 0xa73abd3b, 0x3536cc52, 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, 0xb02d7724, 0x3d3e82ae, + + 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x43103085, 0xfcdc1342, + 0x418d2621, 0xfe6deaa1, 0x4488e37f, 0xfb4ab7db, 0x45f704f7, 0xf9ba1651, 0x43103085, 0xfcdc1342, + 0x48b2b335, 0xf69bf7c9, 0x48b2b335, 0xf69bf7c9, 0x4488e37f, 0xfb4ab7db, 0x4c77a88e, 0xf1fa3ecb, + 0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, 0x4fd288dc, 0xed6bf9d1, 0x4da1fab5, 0xf0730342, + 0x475a5c77, 0xf82a6c6a, 0x52beac9f, 0xe8f77acf, 0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, + 0x553805f2, 0xe4a2eff6, 0x51d1dc80, 0xea70658a, 0x49ffd417, 0xf50ef5de, 0x573b2635, 0xe0745b24, + 0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x553805f2, 0xe4a2eff6, + 0x4c77a88e, 0xf1fa3ecb, 0x59d438e5, 0xd8a00bae, 0x569cc31b, 0xe1d4a2c8, 0x4da1fab5, 0xf0730342, + 0x5a6690ae, 0xd5052d97, 0x57cc15bc, 0xdf18f0ce, 0x4ec05432, 0xeeee2d9d, 0x5a7b7f1a, 0xd1a5ef90, + 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 0x5a12e720, 0xce86ff2a, 0x5987b08a, 0xd9e01006, + 0x50d86e6d, 0xebeca36c, 0x592d59da, 0xcbacb0bf, 0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, + 0x57cc15bc, 0xc91af976, 0x5a6690ae, 0xd5052d97, 0x52beac9f, 0xe8f77acf, 0x55f104dc, 0xc6d569be, + 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a6690ae, 0xd09441bb, + 0x5471e2e6, 0xe61086bc, 0x50d86e6d, 0xc33aee27, 0x5a12e720, 0xce86ff2a, 0x553805f2, 0xe4a2eff6, + 0x4da1fab5, 0xc1eb0209, 0x5987b08a, 0xcc983f70, 0x55f104dc, 0xe3399167, 0x49ffd417, 0xc0f1360b, + 0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, 0x45f704f7, 0xc04ee4b8, 0x57cc15bc, 0xc91af976, + 0x573b2635, 0xe0745b24, 0x418d2621, 0xc004ef3f, 0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, + 0x3cc85709, 0xc013bc39, 0x553805f2, 0xc6250a18, 0x584f7b58, 0xddc29958, 0x37af354c, 0xc07b371e, + 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x51d1dc80, 0xc3bdbdf6, + 0x592d59da, 0xdb25f566, 0x2c9caf6c, 0xc2517e31, 0x4fd288dc, 0xc2c17d52, 0x5987b08a, 0xd9e01006, + 0x26b2a794, 0xc3bdbdf6, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xd8a00bae, 0x2092f05f, 0xc57d965d, + 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 0x1a4608ab, 0xc78e9a1d, 0x48b2b335, 0xc0b15502, + 0x5a43b190, 0xd6326a88, 0x13d4ae08, 0xc9edeb50, 0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, + 0x0d47d096, 0xcc983f70, 0x43103085, 0xc013bc39, 0x5a7b7f1a, 0xd3de9156, 0x06a886a0, 0xcf89e3e8, + 0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x3cc85709, 0xc013bc39, + 0x5a7b7f1a, 0xd1a5ef90, 0xf9577960, 0xd6326a88, 0x396b3199, 0xc04ee4b8, 0x5a6690ae, 0xd09441bb, + 0xf2b82f6a, 0xd9e01006, 0x35eaa2c7, 0xc0b15502, 0x5a43b190, 0xcf89e3e8, 0xec2b51f8, 0xddc29958, + 0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, 0xe5b9f755, 0xe1d4a2c8, 0x2e88013a, 0xc1eb0209, + 0x59d438e5, 0xcd8bbb6d, 0xdf6d0fa1, 0xe61086bc, 0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, + 0xd94d586c, 0xea70658a, 0x26b2a794, 0xc3bdbdf6, 0x592d59da, 0xcbacb0bf, 0xd3635094, 0xeeee2d9d, + 0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x1e7de5df, 0xc6250a18, + 0x584f7b58, 0xc9edeb50, 0xc850cab4, 0xf82a6c6a, 0x1a4608ab, 0xc78e9a1d, 0x57cc15bc, 0xc91af976, + 0xc337a8f7, 0xfcdc1342, 0x15fdf758, 0xc91af976, 0x573b2635, 0xc8507ea7, 0xbe72d9df, 0x0192155f, + 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 0xba08fb09, 0x0645e9af, 0x0d47d096, 0xcc983f70, + 0x55f104dc, 0xc6d569be, 0xb6002be9, 0x0af10a22, 0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, + 0xb25e054b, 0x0f8cfcbe, 0x0470ebdc, 0xd09441bb, 0x5471e2e6, 0xc57d965d, 0xaf279193, 0x14135c94, + 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xfb8f1424, 0xd5052d97, + 0x52beac9f, 0xc449d892, 0xaa0efb24, 0x1cc66e99, 0xf720e574, 0xd76619b6, 0x51d1dc80, 0xc3bdbdf6, + 0xa833ea44, 0x20e70f32, 0xf2b82f6a, 0xd9e01006, 0x50d86e6d, 0xc33aee27, 0xa6d2a626, 0x24da0a9a, + 0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, 0xa5ed18e0, 0x2899e64a, 0xea0208a8, 0xdf18f0ce, + 0x4ec05432, 0xc2517e31, 0xa58480e6, 0x2c216eaa, 0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, + 0xa5996f52, 0x2f6bbe45, 0xe1821a21, 0xe4a2eff6, 0x4c77a88e, 0xc18e18a7, 0xa62bc71b, 0x32744493, + 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 0xd94d586c, 0xea70658a, + 0x49ffd417, 0xc0f1360b, 0xa8c4d9cb, 0x37af8159, 0xd5558381, 0xed6bf9d1, 0x48b2b335, 0xc0b15502, + 0xaac7fa0e, 0x39daf5e8, 0xd177fec6, 0xf0730342, 0x475a5c77, 0xc07b371e, 0xad415361, 0x3bb6276e, + 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, 0xb02d7724, 0x3d3e82ae, 0xca155d39, 0xf69bf7c9, + 0x4488e37f, 0xc02c64a6, 0xb3885772, 0x3e71e759, 0xc694ce67, 0xf9ba1651, 0x43103085, 0xc013bc39, + 0xb74d4ccb, 0x3f4eaafe, 0xc337a8f7, 0xfcdc1342, 0x418d2621, 0xc004ef3f, 0xbb771c81, 0x3fd39b5a, +}; + +/* for reference, here's the code to generate the bitreverse tables + short blocks: nbits = 4 (nfft = 64) + long blocks: nbits = 7 (nfft = 512) + +static int bitrev(int n, int nbits) +{ + int r, i; + + r = 0; + for (i = 0; i < nbits; i++) { + r <<= 1; + r |= (n & 1); + n >>= 1; + } + + return r; +} + +static void InitBitrevTable(unsigned char *out, int nbits) +{ + int i, t; + + for (i = 0; i < (1< KBD_THRESH); + + return i0; +} + +static double CalcW(double nRef, double n, double a) +{ + double i0Base, i0Curr, nTemp; + + i0Base = CalcI0(M_PI * a); + + nTemp = (n - nRef/4) / (nRef/4); + i0Curr = CalcI0( M_PI * a * sqrt(1.0 - nTemp*nTemp) ); + + return i0Curr / i0Base; +} + +void InitKBDWindow(int nmdct) +{ + int n, nRef; + double a, wBase, wCurr; + + nRef = nmdct * 2; + + / *** kbd window *** / + if (nmdct == 128) + a = 6.0; + else + a = 4.0; + + wBase = 0; + for (n = 0; n <= nRef/2; n++) + wBase += CalcW(nRef, n, a); + + / *** left *** / + wCurr = 0; + for (n = 0; n < nRef/2; n++) { + wCurr += CalcW(nRef, n, a); + kbdWindowRef[n] = sqrt(wCurr / wBase); + } + + / *** + * symmetry: + * kbd_right(n) = kbd_ldef(N_REF - 1 - n), n = [N_REF/2, N_REF - 1] + * + * wCurr = 0; + * for (n = N_REF-1; n >= N_REF/2; n--) { + * wCurr += CalcW(N_REF-n-1, a); + * kbdWindowRef[n] = sqrt(wCurr / wBase); + * } + * + *** / + return; +} +*/ diff --git a/audio_codec/wfd_aac_decoder/trigtabs_fltgen.c b/audio_codec/wfd_aac_decoder/trigtabs_fltgen.c new file mode 100644 index 0000000..b5ffa8e --- a/dev/null +++ b/audio_codec/wfd_aac_decoder/trigtabs_fltgen.c @@ -0,0 +1,357 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: trigtabs_fltgen.c,v 1.2 2006/12/05 03:36:53 ehyche Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com) + * June 2005 + * + * trigtabs_fltgen.c - low-ROM alternative to trigtabs.c + * generates large trig tables at runtime using floating-point + * math library + * MUST VERIFY that runtime-generated tables are bit-exact matches + * with ROM tables in trigtabs.c + **************************************************************************************/ +#ifdef HELIX_CONFIG_AAC_GENERATE_TRIGTABS_FLOAT + +#include +#include "coder.h" + +/* read-only tables */ +const int cos4sin4tabOffset[NUM_IMDCT_SIZES] = {0, 128}; +const int sinWindowOffset[NUM_IMDCT_SIZES] = {0, 128}; +const int kbdWindowOffset[NUM_IMDCT_SIZES] = {0, 128}; +const int bitrevtabOffset[NUM_IMDCT_SIZES] = {0, 17}; +const unsigned char bitrevtab[17 + 129] = { + /* nfft = 64 */ + 0x01, 0x08, 0x02, 0x04, 0x03, 0x0c, 0x05, 0x0a, 0x07, 0x0e, 0x0b, 0x0d, 0x00, 0x06, 0x09, 0x0f, + 0x00, + + /* nfft = 512 */ + 0x01, 0x40, 0x02, 0x20, 0x03, 0x60, 0x04, 0x10, 0x05, 0x50, 0x06, 0x30, 0x07, 0x70, 0x09, 0x48, + 0x0a, 0x28, 0x0b, 0x68, 0x0c, 0x18, 0x0d, 0x58, 0x0e, 0x38, 0x0f, 0x78, 0x11, 0x44, 0x12, 0x24, + 0x13, 0x64, 0x15, 0x54, 0x16, 0x34, 0x17, 0x74, 0x19, 0x4c, 0x1a, 0x2c, 0x1b, 0x6c, 0x1d, 0x5c, + 0x1e, 0x3c, 0x1f, 0x7c, 0x21, 0x42, 0x23, 0x62, 0x25, 0x52, 0x26, 0x32, 0x27, 0x72, 0x29, 0x4a, + 0x2b, 0x6a, 0x2d, 0x5a, 0x2e, 0x3a, 0x2f, 0x7a, 0x31, 0x46, 0x33, 0x66, 0x35, 0x56, 0x37, 0x76, + 0x39, 0x4e, 0x3b, 0x6e, 0x3d, 0x5e, 0x3f, 0x7e, 0x43, 0x61, 0x45, 0x51, 0x47, 0x71, 0x4b, 0x69, + 0x4d, 0x59, 0x4f, 0x79, 0x53, 0x65, 0x57, 0x75, 0x5b, 0x6d, 0x5f, 0x7d, 0x67, 0x73, 0x6f, 0x7b, + 0x00, 0x08, 0x14, 0x1c, 0x22, 0x2a, 0x36, 0x3e, 0x41, 0x49, 0x55, 0x5d, 0x63, 0x6b, 0x77, 0x7f, + 0x00, + +}; + +/* tables generated at runtime */ +int cos4sin4tab[128 + 1024]; +int cos1sin1tab[514]; +int sinWindow[128 + 1024]; +int kbdWindow[128 + 1024]; +int twidTabEven[4 * 6 + 16 * 6 + 64 * 6]; +int twidTabOdd[8 * 6 + 32 * 6 + 128 * 6]; + +#define M_PI 3.14159265358979323846 +#define M2_30 1073741824.0 +#define M2_31 2147483648.0 + +#define MAX_DBL 2147483647.0 +#define MIN_DBL -2147483648.0 + +static int NormAndRound(double x, double q, double n) +{ + if (x >= 0.0) { + x = (x * q * n + 0.5); + } else { + x = (x * q * n - 0.5); + } + + /* clip */ + if (x > MAX_DBL) { + x = MAX_DBL; + } + if (x < MIN_DBL) { + x = MIN_DBL; + } + + return (int)x; +} + +static void Init_cos4sin4tab(int *tPtr, int nmdct) +{ + int i; + double angle1, angle2, invM, x1, x2, x3, x4; + + invM = -1.0 / (double)nmdct; + for (i = 0; i < nmdct / 4; i++) { + angle1 = (i + 0.25) * M_PI / nmdct; + angle2 = (nmdct / 2 - 1 - i + 0.25) * M_PI / nmdct; + + x1 = invM * (cos(angle1) + sin(angle1)); + x2 = invM * sin(angle1); + x3 = invM * (cos(angle2) + sin(angle2)); + x4 = invM * sin(angle2); + + tPtr[0] = NormAndRound(x1, M2_30, nmdct); + tPtr[1] = NormAndRound(x2, M2_30, nmdct); + tPtr[2] = NormAndRound(x3, M2_30, nmdct); + tPtr[3] = NormAndRound(x4, M2_30, nmdct); + tPtr += 4; + } +} + +static void Init_cos1sin1tab(int *tPtr) +{ + int i; + double angle, x1, x2; + + for (i = 0; i <= (512 / 2); i++) { + angle = i * M_PI / 1024; + x1 = (cos(angle) + sin(angle)); + x2 = sin(angle); + + tPtr[0] = NormAndRound(x1, M2_30, 1); + tPtr[1] = NormAndRound(x2, M2_30, 1); + tPtr += 2; + } +} + +static void Init_sinWindow(int *tPtr, int nmdct) +{ + int i; + double angle1, angle2, x1, x2; + + for (i = 0; i < nmdct / 2; i++) { + angle1 = (i + 0.5) * M_PI / (2.0 * nmdct); + angle2 = (nmdct - 1 - i + 0.5) * M_PI / (2.0 * nmdct); + x1 = sin(angle1); + x2 = sin(angle2); + + tPtr[0] = NormAndRound(x1, M2_31, 1); + tPtr[1] = NormAndRound(x2, M2_31, 1); + tPtr += 2; + } +} + + +#define KBD_THRESH 1e-12 + +static double CalcI0(double x) +{ + int k; + double i0, iTmp, iLast, x2, xPow, kFact; + + x2 = x / 2.0; + i0 = 0.0; + k = 0; + kFact = 1; + xPow = 1; + do { + iLast = i0; + iTmp = xPow / kFact; + i0 += (iTmp * iTmp); + k++; + kFact *= k; + xPow *= x2; + } while (fabs(i0 - iLast) > KBD_THRESH); + + return i0; +} + +static double CalcW(double nRef, double n, double a) +{ + double i0Base, i0Curr, nTemp; + + i0Base = CalcI0(M_PI * a); + + nTemp = (n - nRef / 4) / (nRef / 4); + i0Curr = CalcI0(M_PI * a * sqrt(1.0 - nTemp * nTemp)); + + return i0Curr / i0Base; +} + +static void Init_kbdWindow(int *tPtr, int nmdct) +{ + int n, nRef; + double a, wBase, wCurr, x1; + + nRef = nmdct * 2; + + /* kbd window */ + if (nmdct == 128) { + a = 6.0; + } else { + a = 4.0; + } + + wBase = 0; + for (n = 0; n <= nRef / 2; n++) { + wBase += CalcW(nRef, n, a); + } + + /* left */ + wCurr = 0; + for (n = 0; n < nmdct / 2; n++) { + wCurr += CalcW(nRef, n, a); + x1 = sqrt(wCurr / wBase); + tPtr[0] = NormAndRound(x1, M2_31, 1); + tPtr += 2; + } + tPtr--; + + /* right */ + for (n = nmdct / 2; n < nmdct; n++) { + wCurr += CalcW(nRef, n, a); + x1 = sqrt(wCurr / wBase); + tPtr[0] = NormAndRound(x1, M2_31, 1); + tPtr -= 2; + } + + /* symmetry: + * kbd_right(n) = kbd_ldef(N_REF - 1 - n), n = [N_REF/2, N_REF - 1] + * + * wCurr = 0; + * for (n = N_REF-1; n >= N_REF/2; n--) { + * wCurr += CalcW(N_REF-n-1, a); + * kbdWindowRef[n] = sqrt(wCurr / wBase); + * } + * + */ + return; +} + +static void Init_twidTabs(int *tPtrEven, int *tPtrOdd, int nfft) +{ + int j, k; + double wr1, wi1, wr2, wi2, wr3, wi3; + + for (k = 4; k <= nfft / 4; k <<= 1) { + for (j = 0; j < k; j++) { + wr1 = cos(1.0 * M_PI * j / (2 * k)); + wi1 = sin(1.0 * M_PI * j / (2 * k)); + wr1 = (wr1 + wi1); + wi1 = -wi1; + + wr2 = cos(2.0 * M_PI * j / (2 * k)); + wi2 = sin(2.0 * M_PI * j / (2 * k)); + wr2 = (wr2 + wi2); + wi2 = -wi2; + + wr3 = cos(3.0 * M_PI * j / (2 * k)); + wi3 = sin(3.0 * M_PI * j / (2 * k)); + wr3 = (wr3 + wi3); + wi3 = -wi3; + + if (k & 0xaaaaaaaa) { + tPtrOdd[0] = NormAndRound(wr2, M2_30, 1); + tPtrOdd[1] = NormAndRound(wi2, M2_30, 1); + tPtrOdd[2] = NormAndRound(wr1, M2_30, 1); + tPtrOdd[3] = NormAndRound(wi1, M2_30, 1); + tPtrOdd[4] = NormAndRound(wr3, M2_30, 1); + tPtrOdd[5] = NormAndRound(wi3, M2_30, 1); + tPtrOdd += 6; + } else { + tPtrEven[0] = NormAndRound(wr2, M2_30, 1); + tPtrEven[1] = NormAndRound(wi2, M2_30, 1); + tPtrEven[2] = NormAndRound(wr1, M2_30, 1); + tPtrEven[3] = NormAndRound(wi1, M2_30, 1); + tPtrEven[4] = NormAndRound(wr3, M2_30, 1); + tPtrEven[5] = NormAndRound(wi3, M2_30, 1); + tPtrEven += 6; + } + } + } +} + +/************************************************************************************** + * Function: AACInitTrigtabsFloat + * + * Description: generate AAC decoder tables using floating-point math library + * + * Inputs: none + * + * Outputs: initialized tables + * + * Return: 0 on success + * + * Notes: this function should ONLY be called when double-precision + * floating-point math is supported + * the generated tables must be bit-exact matches with read-only + * tables stored in trigtabs.c + * this initializes global tables in RAM, and is NOT thread-safe, + * so the caller must ensure that this function is not called + * from multiple threads + * this should be called exactly once, before the entrypoint function + * for the application or DLL is called + **************************************************************************************/ +int AACInitTrigtabsFloat(void) +{ + /* cos4sin4tab */ + Init_cos4sin4tab(cos4sin4tab + cos4sin4tabOffset[0], 128); + Init_cos4sin4tab(cos4sin4tab + cos4sin4tabOffset[1], 1024); + + /* cos1sin1tab */ + Init_cos1sin1tab(cos1sin1tab); + + /* sinWindow */ + Init_sinWindow(sinWindow + sinWindowOffset[0], 128); + Init_sinWindow(sinWindow + sinWindowOffset[1], 1024); + + /* kbdWindow */ + Init_kbdWindow(kbdWindow + kbdWindowOffset[0], 128); + Init_kbdWindow(kbdWindow + kbdWindowOffset[1], 1024); + + /* twidTabEven, twidTabOdd */ + Init_twidTabs(twidTabEven, twidTabOdd, 512); + + return 0; +} + +/************************************************************************************** + * Function: AACFreeTrigtabsFloat + * + * Description: free any memory allocated by AACInitTrigtabsFloat() + * + * Inputs: none + * + * Outputs: none + * + * Return: none + **************************************************************************************/ +void AACFreeTrigtabsFloat(void) +{ + return; +} + +#endif /* HELIX_CONFIG_AAC_GENERATE_TRIGTABS_FLOAT */ -- cgit